xref: /vim-8.2.3635/src/normal.c (revision 57e4ee4d)
1 /* vi:set ts=8 sts=4 sw=4:
2  *
3  * VIM - Vi IMproved	by Bram Moolenaar
4  *
5  * Do ":help uganda"  in Vim to read copying and usage conditions.
6  * Do ":help credits" in Vim to see a list of people who contributed.
7  * See README.txt for an overview of the Vim source code.
8  */
9 /*
10  * normal.c:	Contains the main routine for processing characters in command
11  *		mode.  Communicates closely with the code in ops.c to handle
12  *		the operators.
13  */
14 
15 #include "vim.h"
16 
17 #ifdef FEAT_VISUAL
18 /*
19  * The Visual area is remembered for reselection.
20  */
21 static int	resel_VIsual_mode = NUL;	/* 'v', 'V', or Ctrl-V */
22 static linenr_T	resel_VIsual_line_count;	/* number of lines */
23 static colnr_T	resel_VIsual_vcol;		/* nr of cols or end col */
24 
25 static int	restart_VIsual_select = 0;
26 #endif
27 
28 #ifdef FEAT_EVAL
29 static void	set_vcount_ca __ARGS((cmdarg_T *cap, int *set_prevcount));
30 #endif
31 static int
32 #ifdef __BORLANDC__
33     _RTLENTRYF
34 #endif
35 		nv_compare __ARGS((const void *s1, const void *s2));
36 static int	find_command __ARGS((int cmdchar));
37 static void	op_colon __ARGS((oparg_T *oap));
38 static void	op_function __ARGS((oparg_T *oap));
39 #if defined(FEAT_MOUSE) && defined(FEAT_VISUAL)
40 static void	find_start_of_word __ARGS((pos_T *));
41 static void	find_end_of_word __ARGS((pos_T *));
42 static int	get_mouse_class __ARGS((char_u *p));
43 #endif
44 static void	prep_redo_cmd __ARGS((cmdarg_T *cap));
45 static void	prep_redo __ARGS((int regname, long, int, int, int, int, int));
46 static int	checkclearop __ARGS((oparg_T *oap));
47 static int	checkclearopq __ARGS((oparg_T *oap));
48 static void	clearop __ARGS((oparg_T *oap));
49 static void	clearopbeep __ARGS((oparg_T *oap));
50 #ifdef FEAT_VISUAL
51 static void	unshift_special __ARGS((cmdarg_T *cap));
52 #endif
53 #ifdef FEAT_CMDL_INFO
54 static void	del_from_showcmd __ARGS((int));
55 #endif
56 
57 /*
58  * nv_*(): functions called to handle Normal and Visual mode commands.
59  * n_*(): functions called to handle Normal mode commands.
60  * v_*(): functions called to handle Visual mode commands.
61  */
62 static void	nv_ignore __ARGS((cmdarg_T *cap));
63 static void	nv_nop __ARGS((cmdarg_T *cap));
64 static void	nv_error __ARGS((cmdarg_T *cap));
65 static void	nv_help __ARGS((cmdarg_T *cap));
66 static void	nv_addsub __ARGS((cmdarg_T *cap));
67 static void	nv_page __ARGS((cmdarg_T *cap));
68 static void	nv_gd __ARGS((oparg_T *oap, int nchar, int thisblock));
69 static int	nv_screengo __ARGS((oparg_T *oap, int dir, long dist));
70 #ifdef FEAT_MOUSE
71 static void	nv_mousescroll __ARGS((cmdarg_T *cap));
72 static void	nv_mouse __ARGS((cmdarg_T *cap));
73 #endif
74 static void	nv_scroll_line __ARGS((cmdarg_T *cap));
75 static void	nv_zet __ARGS((cmdarg_T *cap));
76 #ifdef FEAT_GUI
77 static void	nv_ver_scrollbar __ARGS((cmdarg_T *cap));
78 static void	nv_hor_scrollbar __ARGS((cmdarg_T *cap));
79 #endif
80 #ifdef FEAT_GUI_TABLINE
81 static void	nv_tabline __ARGS((cmdarg_T *cap));
82 static void	nv_tabmenu __ARGS((cmdarg_T *cap));
83 #endif
84 static void	nv_exmode __ARGS((cmdarg_T *cap));
85 static void	nv_colon __ARGS((cmdarg_T *cap));
86 static void	nv_ctrlg __ARGS((cmdarg_T *cap));
87 static void	nv_ctrlh __ARGS((cmdarg_T *cap));
88 static void	nv_clear __ARGS((cmdarg_T *cap));
89 static void	nv_ctrlo __ARGS((cmdarg_T *cap));
90 static void	nv_hat __ARGS((cmdarg_T *cap));
91 static void	nv_Zet __ARGS((cmdarg_T *cap));
92 static void	nv_ident __ARGS((cmdarg_T *cap));
93 static void	nv_tagpop __ARGS((cmdarg_T *cap));
94 static void	nv_scroll __ARGS((cmdarg_T *cap));
95 static void	nv_right __ARGS((cmdarg_T *cap));
96 static void	nv_left __ARGS((cmdarg_T *cap));
97 static void	nv_up __ARGS((cmdarg_T *cap));
98 static void	nv_down __ARGS((cmdarg_T *cap));
99 #ifdef FEAT_SEARCHPATH
100 static void	nv_gotofile __ARGS((cmdarg_T *cap));
101 #endif
102 static void	nv_end __ARGS((cmdarg_T *cap));
103 static void	nv_dollar __ARGS((cmdarg_T *cap));
104 static void	nv_search __ARGS((cmdarg_T *cap));
105 static void	nv_next __ARGS((cmdarg_T *cap));
106 static void	normal_search __ARGS((cmdarg_T *cap, int dir, char_u *pat, int opt));
107 static void	nv_csearch __ARGS((cmdarg_T *cap));
108 static void	nv_brackets __ARGS((cmdarg_T *cap));
109 static void	nv_percent __ARGS((cmdarg_T *cap));
110 static void	nv_brace __ARGS((cmdarg_T *cap));
111 static void	nv_mark __ARGS((cmdarg_T *cap));
112 static void	nv_findpar __ARGS((cmdarg_T *cap));
113 static void	nv_undo __ARGS((cmdarg_T *cap));
114 static void	nv_kundo __ARGS((cmdarg_T *cap));
115 static void	nv_Replace __ARGS((cmdarg_T *cap));
116 #ifdef FEAT_VREPLACE
117 static void	nv_vreplace __ARGS((cmdarg_T *cap));
118 #endif
119 #ifdef FEAT_VISUAL
120 static void	v_swap_corners __ARGS((int cmdchar));
121 #endif
122 static void	nv_replace __ARGS((cmdarg_T *cap));
123 static void	n_swapchar __ARGS((cmdarg_T *cap));
124 static void	nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
125 #ifdef FEAT_VISUAL
126 static void	v_visop __ARGS((cmdarg_T *cap));
127 #endif
128 static void	nv_subst __ARGS((cmdarg_T *cap));
129 static void	nv_abbrev __ARGS((cmdarg_T *cap));
130 static void	nv_optrans __ARGS((cmdarg_T *cap));
131 static void	nv_gomark __ARGS((cmdarg_T *cap));
132 static void	nv_pcmark __ARGS((cmdarg_T *cap));
133 static void	nv_regname __ARGS((cmdarg_T *cap));
134 #ifdef FEAT_VISUAL
135 static void	nv_visual __ARGS((cmdarg_T *cap));
136 static void	n_start_visual_mode __ARGS((int c));
137 #endif
138 static void	nv_window __ARGS((cmdarg_T *cap));
139 static void	nv_suspend __ARGS((cmdarg_T *cap));
140 static void	nv_g_cmd __ARGS((cmdarg_T *cap));
141 static void	n_opencmd __ARGS((cmdarg_T *cap));
142 static void	nv_dot __ARGS((cmdarg_T *cap));
143 static void	nv_redo __ARGS((cmdarg_T *cap));
144 static void	nv_Undo __ARGS((cmdarg_T *cap));
145 static void	nv_tilde __ARGS((cmdarg_T *cap));
146 static void	nv_operator __ARGS((cmdarg_T *cap));
147 #ifdef FEAT_EVAL
148 static void	set_op_var __ARGS((int optype));
149 #endif
150 static void	nv_lineop __ARGS((cmdarg_T *cap));
151 static void	nv_home __ARGS((cmdarg_T *cap));
152 static void	nv_pipe __ARGS((cmdarg_T *cap));
153 static void	nv_bck_word __ARGS((cmdarg_T *cap));
154 static void	nv_wordcmd __ARGS((cmdarg_T *cap));
155 static void	nv_beginline __ARGS((cmdarg_T *cap));
156 static void	adjust_cursor __ARGS((oparg_T *oap));
157 #ifdef FEAT_VISUAL
158 static void	adjust_for_sel __ARGS((cmdarg_T *cap));
159 static int	unadjust_for_sel __ARGS((void));
160 static void	nv_select __ARGS((cmdarg_T *cap));
161 #endif
162 static void	nv_goto __ARGS((cmdarg_T *cap));
163 static void	nv_normal __ARGS((cmdarg_T *cap));
164 static void	nv_esc __ARGS((cmdarg_T *oap));
165 static void	nv_edit __ARGS((cmdarg_T *cap));
166 static void	invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
167 #ifdef FEAT_TEXTOBJ
168 static void	nv_object __ARGS((cmdarg_T *cap));
169 #endif
170 static void	nv_record __ARGS((cmdarg_T *cap));
171 static void	nv_at __ARGS((cmdarg_T *cap));
172 static void	nv_halfpage __ARGS((cmdarg_T *cap));
173 static void	nv_join __ARGS((cmdarg_T *cap));
174 static void	nv_put __ARGS((cmdarg_T *cap));
175 static void	nv_open __ARGS((cmdarg_T *cap));
176 #ifdef FEAT_SNIFF
177 static void	nv_sniff __ARGS((cmdarg_T *cap));
178 #endif
179 #ifdef FEAT_NETBEANS_INTG
180 static void	nv_nbcmd __ARGS((cmdarg_T *cap));
181 #endif
182 #ifdef FEAT_DND
183 static void	nv_drop __ARGS((cmdarg_T *cap));
184 #endif
185 #ifdef FEAT_AUTOCMD
186 static void	nv_cursorhold __ARGS((cmdarg_T *cap));
187 #endif
188 
189 static char *e_noident = N_("E349: No identifier under cursor");
190 
191 /*
192  * Function to be called for a Normal or Visual mode command.
193  * The argument is a cmdarg_T.
194  */
195 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
196 
197 /* Values for cmd_flags. */
198 #define NV_NCH	    0x01	  /* may need to get a second char */
199 #define NV_NCH_NOP  (0x02|NV_NCH) /* get second char when no operator pending */
200 #define NV_NCH_ALW  (0x04|NV_NCH) /* always get a second char */
201 #define NV_LANG	    0x08	/* second char needs language adjustment */
202 
203 #define NV_SS	    0x10	/* may start selection */
204 #define NV_SSS	    0x20	/* may start selection with shift modifier */
205 #define NV_STS	    0x40	/* may stop selection without shift modif. */
206 #define NV_RL	    0x80	/* 'rightleft' modifies command */
207 #define NV_KEEPREG  0x100	/* don't clear regname */
208 #define NV_NCW	    0x200	/* not allowed in command-line window */
209 
210 /*
211  * Generally speaking, every Normal mode command should either clear any
212  * pending operator (with *clearop*()), or set the motion type variable
213  * oap->motion_type.
214  *
215  * When a cursor motion command is made, it is marked as being a character or
216  * line oriented motion.  Then, if an operator is in effect, the operation
217  * becomes character or line oriented accordingly.
218  */
219 
220 /*
221  * This table contains one entry for every Normal or Visual mode command.
222  * The order doesn't matter, init_normal_cmds() will create a sorted index.
223  * It is faster when all keys from zero to '~' are present.
224  */
225 static const struct nv_cmd
226 {
227     int		cmd_char;	/* (first) command character */
228     nv_func_T   cmd_func;	/* function for this command */
229     short_u	cmd_flags;	/* NV_ flags */
230     short	cmd_arg;	/* value for ca.arg */
231 } nv_cmds[] =
232 {
233     {NUL,	nv_error,	0,			0},
234     {Ctrl_A,	nv_addsub,	0,			0},
235     {Ctrl_B,	nv_page,	NV_STS,			BACKWARD},
236     {Ctrl_C,	nv_esc,		0,			TRUE},
237     {Ctrl_D,	nv_halfpage,	0,			0},
238     {Ctrl_E,	nv_scroll_line,	0,			TRUE},
239     {Ctrl_F,	nv_page,	NV_STS,			FORWARD},
240     {Ctrl_G,	nv_ctrlg,	0,			0},
241     {Ctrl_H,	nv_ctrlh,	0,			0},
242     {Ctrl_I,	nv_pcmark,	0,			0},
243     {NL,	nv_down,	0,			FALSE},
244     {Ctrl_K,	nv_error,	0,			0},
245     {Ctrl_L,	nv_clear,	0,			0},
246     {Ctrl_M,	nv_down,	0,			TRUE},
247     {Ctrl_N,	nv_down,	NV_STS,			FALSE},
248     {Ctrl_O,	nv_ctrlo,	0,			0},
249     {Ctrl_P,	nv_up,		NV_STS,			FALSE},
250 #ifdef FEAT_VISUAL
251     {Ctrl_Q,	nv_visual,	0,			FALSE},
252 #else
253     {Ctrl_Q,	nv_ignore,	0,			0},
254 #endif
255     {Ctrl_R,	nv_redo,	0,			0},
256     {Ctrl_S,	nv_ignore,	0,			0},
257     {Ctrl_T,	nv_tagpop,	NV_NCW,			0},
258     {Ctrl_U,	nv_halfpage,	0,			0},
259 #ifdef FEAT_VISUAL
260     {Ctrl_V,	nv_visual,	0,			FALSE},
261     {'V',	nv_visual,	0,			FALSE},
262     {'v',	nv_visual,	0,			FALSE},
263 #else
264     {Ctrl_V,	nv_error,	0,			0},
265     {'V',	nv_error,	0,			0},
266     {'v',	nv_error,	0,			0},
267 #endif
268     {Ctrl_W,	nv_window,	0,			0},
269     {Ctrl_X,	nv_addsub,	0,			0},
270     {Ctrl_Y,	nv_scroll_line,	0,			FALSE},
271     {Ctrl_Z,	nv_suspend,	0,			0},
272     {ESC,	nv_esc,		0,			FALSE},
273     {Ctrl_BSL,	nv_normal,	NV_NCH_ALW,		0},
274     {Ctrl_RSB,	nv_ident,	NV_NCW,			0},
275     {Ctrl_HAT,	nv_hat,		NV_NCW,			0},
276     {Ctrl__,	nv_error,	0,			0},
277     {' ',	nv_right,	0,			0},
278     {'!',	nv_operator,	0,			0},
279     {'"',	nv_regname,	NV_NCH_NOP|NV_KEEPREG,	0},
280     {'#',	nv_ident,	0,			0},
281     {'$',	nv_dollar,	0,			0},
282     {'%',	nv_percent,	0,			0},
283     {'&',	nv_optrans,	0,			0},
284     {'\'',	nv_gomark,	NV_NCH_ALW,		TRUE},
285     {'(',	nv_brace,	0,			BACKWARD},
286     {')',	nv_brace,	0,			FORWARD},
287     {'*',	nv_ident,	0,			0},
288     {'+',	nv_down,	0,			TRUE},
289     {',',	nv_csearch,	0,			TRUE},
290     {'-',	nv_up,		0,			TRUE},
291     {'.',	nv_dot,		NV_KEEPREG,		0},
292     {'/',	nv_search,	0,			FALSE},
293     {'0',	nv_beginline,	0,			0},
294     {'1',	nv_ignore,	0,			0},
295     {'2',	nv_ignore,	0,			0},
296     {'3',	nv_ignore,	0,			0},
297     {'4',	nv_ignore,	0,			0},
298     {'5',	nv_ignore,	0,			0},
299     {'6',	nv_ignore,	0,			0},
300     {'7',	nv_ignore,	0,			0},
301     {'8',	nv_ignore,	0,			0},
302     {'9',	nv_ignore,	0,			0},
303     {':',	nv_colon,	0,			0},
304     {';',	nv_csearch,	0,			FALSE},
305     {'<',	nv_operator,	NV_RL,			0},
306     {'=',	nv_operator,	0,			0},
307     {'>',	nv_operator,	NV_RL,			0},
308     {'?',	nv_search,	0,			FALSE},
309     {'@',	nv_at,		NV_NCH_NOP,		FALSE},
310     {'A',	nv_edit,	0,			0},
311     {'B',	nv_bck_word,	0,			1},
312     {'C',	nv_abbrev,	NV_KEEPREG,		0},
313     {'D',	nv_abbrev,	NV_KEEPREG,		0},
314     {'E',	nv_wordcmd,	0,			TRUE},
315     {'F',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
316     {'G',	nv_goto,	0,			TRUE},
317     {'H',	nv_scroll,	0,			0},
318     {'I',	nv_edit,	0,			0},
319     {'J',	nv_join,	0,			0},
320     {'K',	nv_ident,	0,			0},
321     {'L',	nv_scroll,	0,			0},
322     {'M',	nv_scroll,	0,			0},
323     {'N',	nv_next,	0,			SEARCH_REV},
324     {'O',	nv_open,	0,			0},
325     {'P',	nv_put,		0,			0},
326     {'Q',	nv_exmode,	NV_NCW,			0},
327     {'R',	nv_Replace,	0,			FALSE},
328     {'S',	nv_subst,	NV_KEEPREG,		0},
329     {'T',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
330     {'U',	nv_Undo,	0,			0},
331     {'W',	nv_wordcmd,	0,			TRUE},
332     {'X',	nv_abbrev,	NV_KEEPREG,		0},
333     {'Y',	nv_abbrev,	NV_KEEPREG,		0},
334     {'Z',	nv_Zet,		NV_NCH_NOP|NV_NCW,	0},
335     {'[',	nv_brackets,	NV_NCH_ALW,		BACKWARD},
336     {'\\',	nv_error,	0,			0},
337     {']',	nv_brackets,	NV_NCH_ALW,		FORWARD},
338     {'^',	nv_beginline,	0,			BL_WHITE | BL_FIX},
339     {'_',	nv_lineop,	0,			0},
340     {'`',	nv_gomark,	NV_NCH_ALW,		FALSE},
341     {'a',	nv_edit,	NV_NCH,			0},
342     {'b',	nv_bck_word,	0,			0},
343     {'c',	nv_operator,	0,			0},
344     {'d',	nv_operator,	0,			0},
345     {'e',	nv_wordcmd,	0,			FALSE},
346     {'f',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
347     {'g',	nv_g_cmd,	NV_NCH_ALW,		FALSE},
348     {'h',	nv_left,	NV_RL,			0},
349     {'i',	nv_edit,	NV_NCH,			0},
350     {'j',	nv_down,	0,			FALSE},
351     {'k',	nv_up,		0,			FALSE},
352     {'l',	nv_right,	NV_RL,			0},
353     {'m',	nv_mark,	NV_NCH_NOP,		0},
354     {'n',	nv_next,	0,			0},
355     {'o',	nv_open,	0,			0},
356     {'p',	nv_put,		0,			0},
357     {'q',	nv_record,	NV_NCH,			0},
358     {'r',	nv_replace,	NV_NCH_NOP|NV_LANG,	0},
359     {'s',	nv_subst,	NV_KEEPREG,		0},
360     {'t',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
361     {'u',	nv_undo,	0,			0},
362     {'w',	nv_wordcmd,	0,			FALSE},
363     {'x',	nv_abbrev,	NV_KEEPREG,		0},
364     {'y',	nv_operator,	0,			0},
365     {'z',	nv_zet,		NV_NCH_ALW,		0},
366     {'{',	nv_findpar,	0,			BACKWARD},
367     {'|',	nv_pipe,	0,			0},
368     {'}',	nv_findpar,	0,			FORWARD},
369     {'~',	nv_tilde,	0,			0},
370 
371     /* pound sign */
372     {POUND,	nv_ident,	0,			0},
373 #ifdef FEAT_MOUSE
374     {K_MOUSEUP, nv_mousescroll,	0,			MSCR_UP},
375     {K_MOUSEDOWN, nv_mousescroll, 0,			MSCR_DOWN},
376     {K_MOUSELEFT, nv_mousescroll, 0,			MSCR_LEFT},
377     {K_MOUSERIGHT, nv_mousescroll, 0,			MSCR_RIGHT},
378     {K_LEFTMOUSE, nv_mouse,	0,			0},
379     {K_LEFTMOUSE_NM, nv_mouse,	0,			0},
380     {K_LEFTDRAG, nv_mouse,	0,			0},
381     {K_LEFTRELEASE, nv_mouse,	0,			0},
382     {K_LEFTRELEASE_NM, nv_mouse, 0,			0},
383     {K_MIDDLEMOUSE, nv_mouse,	0,			0},
384     {K_MIDDLEDRAG, nv_mouse,	0,			0},
385     {K_MIDDLERELEASE, nv_mouse,	0,			0},
386     {K_RIGHTMOUSE, nv_mouse,	0,			0},
387     {K_RIGHTDRAG, nv_mouse,	0,			0},
388     {K_RIGHTRELEASE, nv_mouse,	0,			0},
389     {K_X1MOUSE, nv_mouse,	0,			0},
390     {K_X1DRAG, nv_mouse,	0,			0},
391     {K_X1RELEASE, nv_mouse,	0,			0},
392     {K_X2MOUSE, nv_mouse,	0,			0},
393     {K_X2DRAG, nv_mouse,	0,			0},
394     {K_X2RELEASE, nv_mouse,	0,			0},
395 #endif
396     {K_IGNORE,	nv_ignore,	NV_KEEPREG,		0},
397     {K_NOP,	nv_nop,		0,			0},
398     {K_INS,	nv_edit,	0,			0},
399     {K_KINS,	nv_edit,	0,			0},
400     {K_BS,	nv_ctrlh,	0,			0},
401     {K_UP,	nv_up,		NV_SSS|NV_STS,		FALSE},
402     {K_S_UP,	nv_page,	NV_SS,			BACKWARD},
403     {K_DOWN,	nv_down,	NV_SSS|NV_STS,		FALSE},
404     {K_S_DOWN,	nv_page,	NV_SS,			FORWARD},
405     {K_LEFT,	nv_left,	NV_SSS|NV_STS|NV_RL,	0},
406     {K_S_LEFT,	nv_bck_word,	NV_SS|NV_RL,		0},
407     {K_C_LEFT,	nv_bck_word,	NV_SSS|NV_RL|NV_STS,	1},
408     {K_RIGHT,	nv_right,	NV_SSS|NV_STS|NV_RL,	0},
409     {K_S_RIGHT,	nv_wordcmd,	NV_SS|NV_RL,		FALSE},
410     {K_C_RIGHT,	nv_wordcmd,	NV_SSS|NV_RL|NV_STS,	TRUE},
411     {K_PAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
412     {K_KPAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
413     {K_PAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
414     {K_KPAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
415     {K_END,	nv_end,		NV_SSS|NV_STS,		FALSE},
416     {K_KEND,	nv_end,		NV_SSS|NV_STS,		FALSE},
417     {K_S_END,	nv_end,		NV_SS,			FALSE},
418     {K_C_END,	nv_end,		NV_SSS|NV_STS,		TRUE},
419     {K_HOME,	nv_home,	NV_SSS|NV_STS,		0},
420     {K_KHOME,	nv_home,	NV_SSS|NV_STS,		0},
421     {K_S_HOME,	nv_home,	NV_SS,			0},
422     {K_C_HOME,	nv_goto,	NV_SSS|NV_STS,		FALSE},
423     {K_DEL,	nv_abbrev,	0,			0},
424     {K_KDEL,	nv_abbrev,	0,			0},
425     {K_UNDO,	nv_kundo,	0,			0},
426     {K_HELP,	nv_help,	NV_NCW,			0},
427     {K_F1,	nv_help,	NV_NCW,			0},
428     {K_XF1,	nv_help,	NV_NCW,			0},
429 #ifdef FEAT_VISUAL
430     {K_SELECT,	nv_select,	0,			0},
431 #endif
432 #ifdef FEAT_GUI
433     {K_VER_SCROLLBAR, nv_ver_scrollbar, 0,		0},
434     {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0,		0},
435 #endif
436 #ifdef FEAT_GUI_TABLINE
437     {K_TABLINE, nv_tabline,	0,			0},
438     {K_TABMENU, nv_tabmenu,	0,			0},
439 #endif
440 #ifdef FEAT_FKMAP
441     {K_F8,	farsi_fkey,	0,			0},
442     {K_F9,	farsi_fkey,	0,			0},
443 #endif
444 #ifdef FEAT_SNIFF
445     {K_SNIFF,	nv_sniff,	0,			0},
446 #endif
447 #ifdef FEAT_NETBEANS_INTG
448     {K_F21,	nv_nbcmd,	NV_NCH_ALW,		0},
449 #endif
450 #ifdef FEAT_DND
451     {K_DROP,	nv_drop,	NV_STS,			0},
452 #endif
453 #ifdef FEAT_AUTOCMD
454     {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG,		0},
455 #endif
456 };
457 
458 /* Number of commands in nv_cmds[]. */
459 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
460 
461 /* Sorted index of commands in nv_cmds[]. */
462 static short nv_cmd_idx[NV_CMDS_SIZE];
463 
464 /* The highest index for which
465  * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
466 static int nv_max_linear;
467 
468 /*
469  * Compare functions for qsort() below, that checks the command character
470  * through the index in nv_cmd_idx[].
471  */
472     static int
473 #ifdef __BORLANDC__
474 _RTLENTRYF
475 #endif
476 nv_compare(s1, s2)
477     const void	*s1;
478     const void	*s2;
479 {
480     int		c1, c2;
481 
482     /* The commands are sorted on absolute value. */
483     c1 = nv_cmds[*(const short *)s1].cmd_char;
484     c2 = nv_cmds[*(const short *)s2].cmd_char;
485     if (c1 < 0)
486 	c1 = -c1;
487     if (c2 < 0)
488 	c2 = -c2;
489     return c1 - c2;
490 }
491 
492 /*
493  * Initialize the nv_cmd_idx[] table.
494  */
495     void
496 init_normal_cmds()
497 {
498     int		i;
499 
500     /* Fill the index table with a one to one relation. */
501     for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
502 	nv_cmd_idx[i] = i;
503 
504     /* Sort the commands by the command character.  */
505     qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
506 
507     /* Find the first entry that can't be indexed by the command character. */
508     for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
509 	if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
510 	    break;
511     nv_max_linear = i - 1;
512 }
513 
514 /*
515  * Search for a command in the commands table.
516  * Returns -1 for invalid command.
517  */
518     static int
519 find_command(cmdchar)
520     int		cmdchar;
521 {
522     int		i;
523     int		idx;
524     int		top, bot;
525     int		c;
526 
527 #ifdef FEAT_MBYTE
528     /* A multi-byte character is never a command. */
529     if (cmdchar >= 0x100)
530 	return -1;
531 #endif
532 
533     /* We use the absolute value of the character.  Special keys have a
534      * negative value, but are sorted on their absolute value. */
535     if (cmdchar < 0)
536 	cmdchar = -cmdchar;
537 
538     /* If the character is in the first part: The character is the index into
539      * nv_cmd_idx[]. */
540     if (cmdchar <= nv_max_linear)
541 	return nv_cmd_idx[cmdchar];
542 
543     /* Perform a binary search. */
544     bot = nv_max_linear + 1;
545     top = NV_CMDS_SIZE - 1;
546     idx = -1;
547     while (bot <= top)
548     {
549 	i = (top + bot) / 2;
550 	c = nv_cmds[nv_cmd_idx[i]].cmd_char;
551 	if (c < 0)
552 	    c = -c;
553 	if (cmdchar == c)
554 	{
555 	    idx = nv_cmd_idx[i];
556 	    break;
557 	}
558 	if (cmdchar > c)
559 	    bot = i + 1;
560 	else
561 	    top = i - 1;
562     }
563     return idx;
564 }
565 
566 /*
567  * Execute a command in Normal mode.
568  */
569     void
570 normal_cmd(oap, toplevel)
571     oparg_T	*oap;
572     int		toplevel UNUSED;	/* TRUE when called from main() */
573 {
574     cmdarg_T	ca;			/* command arguments */
575     int		c;
576     int		ctrl_w = FALSE;		/* got CTRL-W command */
577     int		old_col = curwin->w_curswant;
578 #ifdef FEAT_CMDL_INFO
579     int		need_flushbuf;		/* need to call out_flush() */
580 #endif
581 #ifdef FEAT_VISUAL
582     pos_T	old_pos;		/* cursor position before command */
583     int		mapped_len;
584     static int	old_mapped_len = 0;
585 #endif
586     int		idx;
587 #ifdef FEAT_EVAL
588     int		set_prevcount = FALSE;
589 #endif
590 
591     vim_memset(&ca, 0, sizeof(ca));	/* also resets ca.retval */
592     ca.oap = oap;
593 
594     /* Use a count remembered from before entering an operator.  After typing
595      * "3d" we return from normal_cmd() and come back here, the "3" is
596      * remembered in "opcount". */
597     ca.opcount = opcount;
598 
599 #ifdef FEAT_SNIFF
600     want_sniff_request = sniff_connected;
601 #endif
602 
603     /*
604      * If there is an operator pending, then the command we take this time
605      * will terminate it. Finish_op tells us to finish the operation before
606      * returning this time (unless the operation was cancelled).
607      */
608 #ifdef CURSOR_SHAPE
609     c = finish_op;
610 #endif
611     finish_op = (oap->op_type != OP_NOP);
612 #ifdef CURSOR_SHAPE
613     if (finish_op != c)
614     {
615 	ui_cursor_shape();		/* may show different cursor shape */
616 # ifdef FEAT_MOUSESHAPE
617 	update_mouseshape(-1);
618 # endif
619     }
620 #endif
621 
622     /* When not finishing an operator and no register name typed, reset the
623      * count. */
624     if (!finish_op && !oap->regname)
625     {
626 	ca.opcount = 0;
627 #ifdef FEAT_EVAL
628 	set_prevcount = TRUE;
629 #endif
630     }
631 
632 #ifdef FEAT_AUTOCMD
633     /* Restore counts from before receiving K_CURSORHOLD.  This means after
634      * typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not
635      * "3 * 2". */
636     if (oap->prev_opcount > 0 || oap->prev_count0 > 0)
637     {
638 	ca.opcount = oap->prev_opcount;
639 	ca.count0 = oap->prev_count0;
640 	oap->prev_opcount = 0;
641 	oap->prev_count0 = 0;
642     }
643 #endif
644 
645 #ifdef FEAT_VISUAL
646     mapped_len = typebuf_maplen();
647 #endif
648 
649     State = NORMAL_BUSY;
650 #ifdef USE_ON_FLY_SCROLL
651     dont_scroll = FALSE;	/* allow scrolling here */
652 #endif
653 
654 #ifdef FEAT_EVAL
655     /* Set v:count here, when called from main() and not a stuffed
656      * command, so that v:count can be used in an expression mapping
657      * when there is no count. */
658     if (toplevel && stuff_empty())
659 	set_vcount_ca(&ca, &set_prevcount);
660 #endif
661 
662     /*
663      * Get the command character from the user.
664      */
665     c = safe_vgetc();
666     LANGMAP_ADJUST(c, TRUE);
667 
668 #ifdef FEAT_VISUAL
669     /*
670      * If a mapping was started in Visual or Select mode, remember the length
671      * of the mapping.  This is used below to not return to Insert mode for as
672      * long as the mapping is being executed.
673      */
674     if (restart_edit == 0)
675 	old_mapped_len = 0;
676     else if (old_mapped_len
677 		|| (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
678 	old_mapped_len = typebuf_maplen();
679 #endif
680 
681     if (c == NUL)
682 	c = K_ZERO;
683 
684 #ifdef FEAT_VISUAL
685     /*
686      * In Select mode, typed text replaces the selection.
687      */
688     if (VIsual_active
689 	    && VIsual_select
690 	    && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
691     {
692 	/* Fake a "c"hange command.  When "restart_edit" is set (e.g., because
693 	 * 'insertmode' is set) fake a "d"elete command, Insert mode will
694 	 * restart automatically.
695 	 * Insert the typed character in the typeahead buffer, so that it can
696 	 * be mapped in Insert mode.  Required for ":lmap" to work. */
697 	ins_char_typebuf(c);
698 	if (restart_edit != 0)
699 	    c = 'd';
700 	else
701 	    c = 'c';
702 	msg_nowait = TRUE;	/* don't delay going to insert mode */
703     }
704 #endif
705 
706 #ifdef FEAT_CMDL_INFO
707     need_flushbuf = add_to_showcmd(c);
708 #endif
709 
710 getcount:
711 #ifdef FEAT_VISUAL
712     if (!(VIsual_active && VIsual_select))
713 #endif
714     {
715 	/*
716 	 * Handle a count before a command and compute ca.count0.
717 	 * Note that '0' is a command and not the start of a count, but it's
718 	 * part of a count after other digits.
719 	 */
720 	while (    (c >= '1' && c <= '9')
721 		|| (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
722 	{
723 	    if (c == K_DEL || c == K_KDEL)
724 	    {
725 		ca.count0 /= 10;
726 #ifdef FEAT_CMDL_INFO
727 		del_from_showcmd(4);	/* delete the digit and ~@% */
728 #endif
729 	    }
730 	    else
731 		ca.count0 = ca.count0 * 10 + (c - '0');
732 	    if (ca.count0 < 0)	    /* got too large! */
733 		ca.count0 = 999999999L;
734 #ifdef FEAT_EVAL
735 	    /* Set v:count here, when called from main() and not a stuffed
736 	     * command, so that v:count can be used in an expression mapping
737 	     * right after the count. */
738 	    if (toplevel && stuff_empty())
739 		set_vcount_ca(&ca, &set_prevcount);
740 #endif
741 	    if (ctrl_w)
742 	    {
743 		++no_mapping;
744 		++allow_keys;		/* no mapping for nchar, but keys */
745 	    }
746 	    ++no_zero_mapping;		/* don't map zero here */
747 	    c = plain_vgetc();
748 	    LANGMAP_ADJUST(c, TRUE);
749 	    --no_zero_mapping;
750 	    if (ctrl_w)
751 	    {
752 		--no_mapping;
753 		--allow_keys;
754 	    }
755 #ifdef FEAT_CMDL_INFO
756 	    need_flushbuf |= add_to_showcmd(c);
757 #endif
758 	}
759 
760 	/*
761 	 * If we got CTRL-W there may be a/another count
762 	 */
763 	if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
764 	{
765 	    ctrl_w = TRUE;
766 	    ca.opcount = ca.count0;	/* remember first count */
767 	    ca.count0 = 0;
768 	    ++no_mapping;
769 	    ++allow_keys;		/* no mapping for nchar, but keys */
770 	    c = plain_vgetc();		/* get next character */
771 	    LANGMAP_ADJUST(c, TRUE);
772 	    --no_mapping;
773 	    --allow_keys;
774 #ifdef FEAT_CMDL_INFO
775 	    need_flushbuf |= add_to_showcmd(c);
776 #endif
777 	    goto getcount;		/* jump back */
778 	}
779     }
780 
781 #ifdef FEAT_AUTOCMD
782     if (c == K_CURSORHOLD)
783     {
784 	/* Save the count values so that ca.opcount and ca.count0 are exactly
785 	 * the same when coming back here after handling K_CURSORHOLD. */
786 	oap->prev_opcount = ca.opcount;
787 	oap->prev_count0 = ca.count0;
788     }
789     else
790 #endif
791 	if (ca.opcount != 0)
792     {
793 	/*
794 	 * If we're in the middle of an operator (including after entering a
795 	 * yank buffer with '"') AND we had a count before the operator, then
796 	 * that count overrides the current value of ca.count0.
797 	 * What this means effectively, is that commands like "3dw" get turned
798 	 * into "d3w" which makes things fall into place pretty neatly.
799 	 * If you give a count before AND after the operator, they are
800 	 * multiplied.
801 	 */
802 	if (ca.count0)
803 	    ca.count0 *= ca.opcount;
804 	else
805 	    ca.count0 = ca.opcount;
806     }
807 
808     /*
809      * Always remember the count.  It will be set to zero (on the next call,
810      * above) when there is no pending operator.
811      * When called from main(), save the count for use by the "count" built-in
812      * variable.
813      */
814     ca.opcount = ca.count0;
815     ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
816 
817 #ifdef FEAT_EVAL
818     /*
819      * Only set v:count when called from main() and not a stuffed command.
820      */
821     if (toplevel && stuff_empty())
822 	set_vcount(ca.count0, ca.count1, set_prevcount);
823 #endif
824 
825     /*
826      * Find the command character in the table of commands.
827      * For CTRL-W we already got nchar when looking for a count.
828      */
829     if (ctrl_w)
830     {
831 	ca.nchar = c;
832 	ca.cmdchar = Ctrl_W;
833     }
834     else
835 	ca.cmdchar = c;
836     idx = find_command(ca.cmdchar);
837     if (idx < 0)
838     {
839 	/* Not a known command: beep. */
840 	clearopbeep(oap);
841 	goto normal_end;
842     }
843 
844     if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
845     {
846 	/* This command is not allowed while editing a ccmdline: beep. */
847 	clearopbeep(oap);
848 	text_locked_msg();
849 	goto normal_end;
850     }
851 #ifdef FEAT_AUTOCMD
852     if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
853 	goto normal_end;
854 #endif
855 
856 #ifdef FEAT_VISUAL
857     /*
858      * In Visual/Select mode, a few keys are handled in a special way.
859      */
860     if (VIsual_active)
861     {
862 	/* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
863 	if (km_stopsel
864 		&& (nv_cmds[idx].cmd_flags & NV_STS)
865 		&& !(mod_mask & MOD_MASK_SHIFT))
866 	{
867 	    end_visual_mode();
868 	    redraw_curbuf_later(INVERTED);
869 	}
870 
871 	/* Keys that work different when 'keymodel' contains "startsel" */
872 	if (km_startsel)
873 	{
874 	    if (nv_cmds[idx].cmd_flags & NV_SS)
875 	    {
876 		unshift_special(&ca);
877 		idx = find_command(ca.cmdchar);
878 		if (idx < 0)
879 		{
880 		    /* Just in case */
881 		    clearopbeep(oap);
882 		    goto normal_end;
883 		}
884 	    }
885 	    else if ((nv_cmds[idx].cmd_flags & NV_SSS)
886 					       && (mod_mask & MOD_MASK_SHIFT))
887 	    {
888 		mod_mask &= ~MOD_MASK_SHIFT;
889 	    }
890 	}
891     }
892 #endif
893 
894 #ifdef FEAT_RIGHTLEFT
895     if (curwin->w_p_rl && KeyTyped && !KeyStuffed
896 					  && (nv_cmds[idx].cmd_flags & NV_RL))
897     {
898 	/* Invert horizontal movements and operations.  Only when typed by the
899 	 * user directly, not when the result of a mapping or "x" translated
900 	 * to "dl". */
901 	switch (ca.cmdchar)
902 	{
903 	    case 'l':	    ca.cmdchar = 'h'; break;
904 	    case K_RIGHT:   ca.cmdchar = K_LEFT; break;
905 	    case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
906 	    case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
907 	    case 'h':	    ca.cmdchar = 'l'; break;
908 	    case K_LEFT:    ca.cmdchar = K_RIGHT; break;
909 	    case K_S_LEFT:  ca.cmdchar = K_S_RIGHT; break;
910 	    case K_C_LEFT:  ca.cmdchar = K_C_RIGHT; break;
911 	    case '>':	    ca.cmdchar = '<'; break;
912 	    case '<':	    ca.cmdchar = '>'; break;
913 	}
914 	idx = find_command(ca.cmdchar);
915     }
916 #endif
917 
918     /*
919      * Get an additional character if we need one.
920      */
921     if ((nv_cmds[idx].cmd_flags & NV_NCH)
922 	    && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
923 		    && oap->op_type == OP_NOP)
924 		|| (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
925 		|| (ca.cmdchar == 'q'
926 		    && oap->op_type == OP_NOP
927 		    && !Recording
928 		    && !Exec_reg)
929 		|| ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
930 		    && (oap->op_type != OP_NOP
931 #ifdef FEAT_VISUAL
932 			|| VIsual_active
933 #endif
934 		       ))))
935     {
936 	int	*cp;
937 	int	repl = FALSE;	/* get character for replace mode */
938 	int	lit = FALSE;	/* get extra character literally */
939 	int	langmap_active = FALSE;    /* using :lmap mappings */
940 	int	lang;		/* getting a text character */
941 #ifdef USE_IM_CONTROL
942 	int	save_smd;	/* saved value of p_smd */
943 #endif
944 
945 	++no_mapping;
946 	++allow_keys;		/* no mapping for nchar, but allow key codes */
947 #ifdef FEAT_AUTOCMD
948 	/* Don't generate a CursorHold event here, most commands can't handle
949 	 * it, e.g., nv_replace(), nv_csearch(). */
950 	did_cursorhold = TRUE;
951 #endif
952 	if (ca.cmdchar == 'g')
953 	{
954 	    /*
955 	     * For 'g' get the next character now, so that we can check for
956 	     * "gr", "g'" and "g`".
957 	     */
958 	    ca.nchar = plain_vgetc();
959 	    LANGMAP_ADJUST(ca.nchar, TRUE);
960 #ifdef FEAT_CMDL_INFO
961 	    need_flushbuf |= add_to_showcmd(ca.nchar);
962 #endif
963 	    /* For "gn" from redo, need to get one more char to determine the
964 	     * operator */
965 	    if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
966 						       || ca.nchar == Ctrl_BSL
967 		  || ((ca.nchar == 'n' || ca.nchar == 'N') && !stuff_empty()))
968 	    {
969 		cp = &ca.extra_char;	/* need to get a third character */
970 		if (ca.nchar != 'r')
971 		    lit = TRUE;			/* get it literally */
972 		else
973 		    repl = TRUE;		/* get it in replace mode */
974 	    }
975 	    else
976 		cp = NULL;		/* no third character needed */
977 	}
978 	else
979 	{
980 	    if (ca.cmdchar == 'r')		/* get it in replace mode */
981 		repl = TRUE;
982 	    cp = &ca.nchar;
983 	}
984 	lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
985 
986 	/*
987 	 * Get a second or third character.
988 	 */
989 	if (cp != NULL)
990 	{
991 #ifdef CURSOR_SHAPE
992 	    if (repl)
993 	    {
994 		State = REPLACE;	/* pretend Replace mode */
995 		ui_cursor_shape();	/* show different cursor shape */
996 	    }
997 #endif
998 	    if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
999 	    {
1000 		/* Allow mappings defined with ":lmap". */
1001 		--no_mapping;
1002 		--allow_keys;
1003 		if (repl)
1004 		    State = LREPLACE;
1005 		else
1006 		    State = LANGMAP;
1007 		langmap_active = TRUE;
1008 	    }
1009 #ifdef USE_IM_CONTROL
1010 	    save_smd = p_smd;
1011 	    p_smd = FALSE;	/* Don't let the IM code show the mode here */
1012 	    if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
1013 		im_set_active(TRUE);
1014 #endif
1015 
1016 	    *cp = plain_vgetc();
1017 
1018 	    if (langmap_active)
1019 	    {
1020 		/* Undo the decrement done above */
1021 		++no_mapping;
1022 		++allow_keys;
1023 		State = NORMAL_BUSY;
1024 	    }
1025 #ifdef USE_IM_CONTROL
1026 	    if (lang)
1027 	    {
1028 		if (curbuf->b_p_iminsert != B_IMODE_LMAP)
1029 		    im_save_status(&curbuf->b_p_iminsert);
1030 		im_set_active(FALSE);
1031 	    }
1032 	    p_smd = save_smd;
1033 #endif
1034 #ifdef CURSOR_SHAPE
1035 	    State = NORMAL_BUSY;
1036 #endif
1037 #ifdef FEAT_CMDL_INFO
1038 	    need_flushbuf |= add_to_showcmd(*cp);
1039 #endif
1040 
1041 	    if (!lit)
1042 	    {
1043 #ifdef FEAT_DIGRAPHS
1044 		/* Typing CTRL-K gets a digraph. */
1045 		if (*cp == Ctrl_K
1046 			&& ((nv_cmds[idx].cmd_flags & NV_LANG)
1047 			    || cp == &ca.extra_char)
1048 			&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
1049 		{
1050 		    c = get_digraph(FALSE);
1051 		    if (c > 0)
1052 		    {
1053 			*cp = c;
1054 # ifdef FEAT_CMDL_INFO
1055 			/* Guessing how to update showcmd here... */
1056 			del_from_showcmd(3);
1057 			need_flushbuf |= add_to_showcmd(*cp);
1058 # endif
1059 		    }
1060 		}
1061 #endif
1062 
1063 		/* adjust chars > 127, except after "tTfFr" commands */
1064 		LANGMAP_ADJUST(*cp, !lang);
1065 #ifdef FEAT_RIGHTLEFT
1066 		/* adjust Hebrew mapped char */
1067 		if (p_hkmap && lang && KeyTyped)
1068 		    *cp = hkmap(*cp);
1069 # ifdef FEAT_FKMAP
1070 		/* adjust Farsi mapped char */
1071 		if (p_fkmap && lang && KeyTyped)
1072 		    *cp = fkmap(*cp);
1073 # endif
1074 #endif
1075 	    }
1076 
1077 	    /*
1078 	     * When the next character is CTRL-\ a following CTRL-N means the
1079 	     * command is aborted and we go to Normal mode.
1080 	     */
1081 	    if (cp == &ca.extra_char
1082 		    && ca.nchar == Ctrl_BSL
1083 		    && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1084 	    {
1085 		ca.cmdchar = Ctrl_BSL;
1086 		ca.nchar = ca.extra_char;
1087 		idx = find_command(ca.cmdchar);
1088 	    }
1089 	    else if ((ca.nchar == 'n' || ca.nchar == 'N') && ca.cmdchar == 'g')
1090 		ca.oap->op_type = get_op_type(*cp, NUL);
1091 	    else if (*cp == Ctrl_BSL)
1092 	    {
1093 		long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1094 
1095 		/* There is a busy wait here when typing "f<C-\>" and then
1096 		 * something different from CTRL-N.  Can't be avoided. */
1097 		while ((c = vpeekc()) <= 0 && towait > 0L)
1098 		{
1099 		    do_sleep(towait > 50L ? 50L : towait);
1100 		    towait -= 50L;
1101 		}
1102 		if (c > 0)
1103 		{
1104 		    c = plain_vgetc();
1105 		    if (c != Ctrl_N && c != Ctrl_G)
1106 			vungetc(c);
1107 		    else
1108 		    {
1109 			ca.cmdchar = Ctrl_BSL;
1110 			ca.nchar = c;
1111 			idx = find_command(ca.cmdchar);
1112 		    }
1113 		}
1114 	    }
1115 
1116 #ifdef FEAT_MBYTE
1117 	    /* When getting a text character and the next character is a
1118 	     * multi-byte character, it could be a composing character.
1119 	     * However, don't wait for it to arrive. */
1120 	    while (enc_utf8 && lang && (c = vpeekc()) > 0
1121 				 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1122 	    {
1123 		c = plain_vgetc();
1124 		if (!utf_iscomposing(c))
1125 		{
1126 		    vungetc(c);		/* it wasn't, put it back */
1127 		    break;
1128 		}
1129 		else if (ca.ncharC1 == 0)
1130 		    ca.ncharC1 = c;
1131 		else
1132 		    ca.ncharC2 = c;
1133 	    }
1134 #endif
1135 	}
1136 	--no_mapping;
1137 	--allow_keys;
1138     }
1139 
1140 #ifdef FEAT_CMDL_INFO
1141     /*
1142      * Flush the showcmd characters onto the screen so we can see them while
1143      * the command is being executed.  Only do this when the shown command was
1144      * actually displayed, otherwise this will slow down a lot when executing
1145      * mappings.
1146      */
1147     if (need_flushbuf)
1148 	out_flush();
1149 #endif
1150 #ifdef FEAT_AUTOCMD
1151     if (ca.cmdchar != K_IGNORE)
1152 	did_cursorhold = FALSE;
1153 #endif
1154 
1155     State = NORMAL;
1156 
1157     if (ca.nchar == ESC)
1158     {
1159 	clearop(oap);
1160 	if (restart_edit == 0 && goto_im())
1161 	    restart_edit = 'a';
1162 	goto normal_end;
1163     }
1164 
1165     if (ca.cmdchar != K_IGNORE)
1166     {
1167 	msg_didout = FALSE;    /* don't scroll screen up for normal command */
1168 	msg_col = 0;
1169     }
1170 
1171 #ifdef FEAT_VISUAL
1172     old_pos = curwin->w_cursor;		/* remember where cursor was */
1173 
1174     /* When 'keymodel' contains "startsel" some keys start Select/Visual
1175      * mode. */
1176     if (!VIsual_active && km_startsel)
1177     {
1178 	if (nv_cmds[idx].cmd_flags & NV_SS)
1179 	{
1180 	    start_selection();
1181 	    unshift_special(&ca);
1182 	    idx = find_command(ca.cmdchar);
1183 	}
1184 	else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1185 					   && (mod_mask & MOD_MASK_SHIFT))
1186 	{
1187 	    start_selection();
1188 	    mod_mask &= ~MOD_MASK_SHIFT;
1189 	}
1190     }
1191 #endif
1192 
1193     /*
1194      * Execute the command!
1195      * Call the command function found in the commands table.
1196      */
1197     ca.arg = nv_cmds[idx].cmd_arg;
1198     (nv_cmds[idx].cmd_func)(&ca);
1199 
1200     /*
1201      * If we didn't start or finish an operator, reset oap->regname, unless we
1202      * need it later.
1203      */
1204     if (!finish_op
1205 	    && !oap->op_type
1206 	    && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1207     {
1208 	clearop(oap);
1209 #ifdef FEAT_EVAL
1210 	{
1211 	    int regname = 0;
1212 
1213 	    /* Adjust the register according to 'clipboard', so that when
1214 	     * "unnamed" is present it becomes '*' or '+' instead of '"'. */
1215 # ifdef FEAT_CLIPBOARD
1216 	    adjust_clip_reg(&regname);
1217 # endif
1218 	    set_reg_var(regname);
1219 	}
1220 #endif
1221     }
1222 
1223 #ifdef FEAT_VISUAL
1224     /* Get the length of mapped chars again after typing a count, second
1225      * character or "z333<cr>". */
1226     if (old_mapped_len > 0)
1227 	old_mapped_len = typebuf_maplen();
1228 #endif
1229 
1230     /*
1231      * If an operation is pending, handle it...
1232      */
1233     do_pending_operator(&ca, old_col, FALSE);
1234 
1235     /*
1236      * Wait for a moment when a message is displayed that will be overwritten
1237      * by the mode message.
1238      * In Visual mode and with "^O" in Insert mode, a short message will be
1239      * overwritten by the mode message.  Wait a bit, until a key is hit.
1240      * In Visual mode, it's more important to keep the Visual area updated
1241      * than keeping a message (e.g. from a /pat search).
1242      * Only do this if the command was typed, not from a mapping.
1243      * Don't wait when emsg_silent is non-zero.
1244      * Also wait a bit after an error message, e.g. for "^O:".
1245      * Don't redraw the screen, it would remove the message.
1246      */
1247     if (       ((p_smd
1248 		    && msg_silent == 0
1249 		    && (restart_edit != 0
1250 #ifdef FEAT_VISUAL
1251 			|| (VIsual_active
1252 			    && old_pos.lnum == curwin->w_cursor.lnum
1253 			    && old_pos.col == curwin->w_cursor.col)
1254 #endif
1255 		       )
1256 		    && (clear_cmdline
1257 			|| redraw_cmdline)
1258 		    && (msg_didout || (msg_didany && msg_scroll))
1259 		    && !msg_nowait
1260 		    && KeyTyped)
1261 		|| (restart_edit != 0
1262 #ifdef FEAT_VISUAL
1263 		    && !VIsual_active
1264 #endif
1265 		    && (msg_scroll
1266 			|| emsg_on_display)))
1267 	    && oap->regname == 0
1268 	    && !(ca.retval & CA_COMMAND_BUSY)
1269 	    && stuff_empty()
1270 	    && typebuf_typed()
1271 	    && emsg_silent == 0
1272 	    && !did_wait_return
1273 	    && oap->op_type == OP_NOP)
1274     {
1275 	int	save_State = State;
1276 
1277 	/* Draw the cursor with the right shape here */
1278 	if (restart_edit != 0)
1279 	    State = INSERT;
1280 
1281 	/* If need to redraw, and there is a "keep_msg", redraw before the
1282 	 * delay */
1283 	if (must_redraw && keep_msg != NULL && !emsg_on_display)
1284 	{
1285 	    char_u	*kmsg;
1286 
1287 	    kmsg = keep_msg;
1288 	    keep_msg = NULL;
1289 	    /* showmode() will clear keep_msg, but we want to use it anyway */
1290 	    update_screen(0);
1291 	    /* now reset it, otherwise it's put in the history again */
1292 	    keep_msg = kmsg;
1293 	    msg_attr(kmsg, keep_msg_attr);
1294 	    vim_free(kmsg);
1295 	}
1296 	setcursor();
1297 	cursor_on();
1298 	out_flush();
1299 	if (msg_scroll || emsg_on_display)
1300 	    ui_delay(1000L, TRUE);	/* wait at least one second */
1301 	ui_delay(3000L, FALSE);		/* wait up to three seconds */
1302 	State = save_State;
1303 
1304 	msg_scroll = FALSE;
1305 	emsg_on_display = FALSE;
1306     }
1307 
1308     /*
1309      * Finish up after executing a Normal mode command.
1310      */
1311 normal_end:
1312 
1313     msg_nowait = FALSE;
1314 
1315     /* Reset finish_op, in case it was set */
1316 #ifdef CURSOR_SHAPE
1317     c = finish_op;
1318 #endif
1319     finish_op = FALSE;
1320 #ifdef CURSOR_SHAPE
1321     /* Redraw the cursor with another shape, if we were in Operator-pending
1322      * mode or did a replace command. */
1323     if (c || ca.cmdchar == 'r')
1324     {
1325 	ui_cursor_shape();		/* may show different cursor shape */
1326 # ifdef FEAT_MOUSESHAPE
1327 	update_mouseshape(-1);
1328 # endif
1329     }
1330 #endif
1331 
1332 #ifdef FEAT_CMDL_INFO
1333     if (oap->op_type == OP_NOP && oap->regname == 0
1334 # ifdef FEAT_AUTOCMD
1335 	    && ca.cmdchar != K_CURSORHOLD
1336 # endif
1337 	    )
1338 	clear_showcmd();
1339 #endif
1340 
1341     checkpcmark();		/* check if we moved since setting pcmark */
1342     vim_free(ca.searchbuf);
1343 
1344 #ifdef FEAT_MBYTE
1345     if (has_mbyte)
1346 	mb_adjust_cursor();
1347 #endif
1348 
1349 #ifdef FEAT_SCROLLBIND
1350     if (curwin->w_p_scb && toplevel)
1351     {
1352 	validate_cursor();	/* may need to update w_leftcol */
1353 	do_check_scrollbind(TRUE);
1354     }
1355 #endif
1356 
1357 #ifdef FEAT_CURSORBIND
1358     if (curwin->w_p_crb && toplevel)
1359     {
1360 	validate_cursor();	/* may need to update w_leftcol */
1361 	do_check_cursorbind();
1362     }
1363 #endif
1364 
1365     /*
1366      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1367      * if still inside a mapping that started in Visual mode).
1368      * May switch from Visual to Select mode after CTRL-O command.
1369      */
1370     if (       oap->op_type == OP_NOP
1371 #ifdef FEAT_VISUAL
1372 	    && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1373 		|| restart_VIsual_select == 1)
1374 #else
1375 	    && restart_edit != 0
1376 #endif
1377 	    && !(ca.retval & CA_COMMAND_BUSY)
1378 	    && stuff_empty()
1379 	    && oap->regname == 0)
1380     {
1381 #ifdef FEAT_VISUAL
1382 	if (restart_VIsual_select == 1)
1383 	{
1384 	    VIsual_select = TRUE;
1385 	    showmode();
1386 	    restart_VIsual_select = 0;
1387 	}
1388 #endif
1389 	if (restart_edit != 0
1390 #ifdef FEAT_VISUAL
1391 		&& !VIsual_active && old_mapped_len == 0
1392 #endif
1393 		)
1394 	    (void)edit(restart_edit, FALSE, 1L);
1395     }
1396 
1397 #ifdef FEAT_VISUAL
1398     if (restart_VIsual_select == 2)
1399 	restart_VIsual_select = 1;
1400 #endif
1401 
1402     /* Save count before an operator for next time. */
1403     opcount = ca.opcount;
1404 }
1405 
1406 #ifdef FEAT_EVAL
1407 /*
1408  * Set v:count and v:count1 according to "cap".
1409  * Set v:prevcount only when "set_prevcount" is TRUE.
1410  */
1411     static void
1412 set_vcount_ca(cap, set_prevcount)
1413     cmdarg_T	*cap;
1414     int		*set_prevcount;
1415 {
1416     long count = cap->count0;
1417 
1418     /* multiply with cap->opcount the same way as above */
1419     if (cap->opcount != 0)
1420 	count = cap->opcount * (count == 0 ? 1 : count);
1421     set_vcount(count, count == 0 ? 1 : count, *set_prevcount);
1422     *set_prevcount = FALSE;  /* only set v:prevcount once */
1423 }
1424 #endif
1425 
1426 /*
1427  * Handle an operator after visual mode or when the movement is finished
1428  */
1429     void
1430 do_pending_operator(cap, old_col, gui_yank)
1431     cmdarg_T	*cap;
1432     int		old_col;
1433     int		gui_yank;
1434 {
1435     oparg_T	*oap = cap->oap;
1436     pos_T	old_cursor;
1437     int		empty_region_error;
1438     int		restart_edit_save;
1439 
1440 #ifdef FEAT_VISUAL
1441     /* The visual area is remembered for redo */
1442     static int	    redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1443     static linenr_T redo_VIsual_line_count; /* number of lines */
1444     static colnr_T  redo_VIsual_vcol;	    /* number of cols or end column */
1445     static long	    redo_VIsual_count;	    /* count for Visual operator */
1446 # ifdef FEAT_VIRTUALEDIT
1447     int		    include_line_break = FALSE;
1448 # endif
1449 #endif
1450 
1451 #if defined(FEAT_CLIPBOARD)
1452     /*
1453      * Yank the visual area into the GUI selection register before we operate
1454      * on it and lose it forever.
1455      * Don't do it if a specific register was specified, so that ""x"*P works.
1456      * This could call do_pending_operator() recursively, but that's OK
1457      * because gui_yank will be TRUE for the nested call.
1458      */
1459     if ((clip_star.available || clip_plus.available)
1460 	    && oap->op_type != OP_NOP
1461 	    && !gui_yank
1462 # ifdef FEAT_VISUAL
1463 	    && VIsual_active
1464 	    && !redo_VIsual_busy
1465 # endif
1466 	    && oap->regname == 0)
1467 	clip_auto_select();
1468 #endif
1469     old_cursor = curwin->w_cursor;
1470 
1471     /*
1472      * If an operation is pending, handle it...
1473      */
1474     if ((finish_op
1475 #ifdef FEAT_VISUAL
1476 		|| VIsual_active
1477 #endif
1478 		) && oap->op_type != OP_NOP)
1479     {
1480 #ifdef FEAT_VISUAL
1481 	oap->is_VIsual = VIsual_active;
1482 	if (oap->motion_force == 'V')
1483 	    oap->motion_type = MLINE;
1484 	else if (oap->motion_force == 'v')
1485 	{
1486 	    /* If the motion was linewise, "inclusive" will not have been set.
1487 	     * Use "exclusive" to be consistent.  Makes "dvj" work nice. */
1488 	    if (oap->motion_type == MLINE)
1489 		oap->inclusive = FALSE;
1490 	    /* If the motion already was characterwise, toggle "inclusive" */
1491 	    else if (oap->motion_type == MCHAR)
1492 		oap->inclusive = !oap->inclusive;
1493 	    oap->motion_type = MCHAR;
1494 	}
1495 	else if (oap->motion_force == Ctrl_V)
1496 	{
1497 	    /* Change line- or characterwise motion into Visual block mode. */
1498 	    VIsual_active = TRUE;
1499 	    VIsual = oap->start;
1500 	    VIsual_mode = Ctrl_V;
1501 	    VIsual_select = FALSE;
1502 	    VIsual_reselect = FALSE;
1503 	}
1504 #endif
1505 
1506 	/* only redo yank when 'y' flag is in 'cpoptions' */
1507 	/* never redo "zf" (define fold) */
1508 	if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1509 #ifdef FEAT_VISUAL
1510 		&& (!VIsual_active || oap->motion_force)
1511 #endif
1512 		&& cap->cmdchar != 'D'
1513 #ifdef FEAT_FOLDING
1514 		&& oap->op_type != OP_FOLD
1515 		&& oap->op_type != OP_FOLDOPEN
1516 		&& oap->op_type != OP_FOLDOPENREC
1517 		&& oap->op_type != OP_FOLDCLOSE
1518 		&& oap->op_type != OP_FOLDCLOSEREC
1519 		&& oap->op_type != OP_FOLDDEL
1520 		&& oap->op_type != OP_FOLDDELREC
1521 #endif
1522 		)
1523 	{
1524 	    prep_redo(oap->regname, cap->count0,
1525 		    get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1526 		    oap->motion_force, cap->cmdchar, cap->nchar);
1527 	    if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1528 	    {
1529 		/*
1530 		 * If 'cpoptions' does not contain 'r', insert the search
1531 		 * pattern to really repeat the same command.
1532 		 */
1533 		if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1534 		    AppendToRedobuffLit(cap->searchbuf, -1);
1535 		AppendToRedobuff(NL_STR);
1536 	    }
1537 	    else if (cap->cmdchar == ':')
1538 	    {
1539 		/* do_cmdline() has stored the first typed line in
1540 		 * "repeat_cmdline".  When several lines are typed repeating
1541 		 * won't be possible. */
1542 		if (repeat_cmdline == NULL)
1543 		    ResetRedobuff();
1544 		else
1545 		{
1546 		    AppendToRedobuffLit(repeat_cmdline, -1);
1547 		    AppendToRedobuff(NL_STR);
1548 		    vim_free(repeat_cmdline);
1549 		    repeat_cmdline = NULL;
1550 		}
1551 	    }
1552 	}
1553 
1554 #ifdef FEAT_VISUAL
1555 	if (redo_VIsual_busy)
1556 	{
1557 	    /* Redo of an operation on a Visual area. Use the same size from
1558 	     * redo_VIsual_line_count and redo_VIsual_vcol. */
1559 	    oap->start = curwin->w_cursor;
1560 	    curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1561 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1562 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1563 	    VIsual_mode = redo_VIsual_mode;
1564 	    if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v')
1565 	    {
1566 		if (VIsual_mode == 'v')
1567 		{
1568 		    if (redo_VIsual_line_count <= 1)
1569 		    {
1570 			validate_virtcol();
1571 			curwin->w_curswant =
1572 				     curwin->w_virtcol + redo_VIsual_vcol - 1;
1573 		    }
1574 		    else
1575 			curwin->w_curswant = redo_VIsual_vcol;
1576 		}
1577 		else
1578 		{
1579 		    curwin->w_curswant = MAXCOL;
1580 		}
1581 		coladvance(curwin->w_curswant);
1582 	    }
1583 	    cap->count0 = redo_VIsual_count;
1584 	    if (redo_VIsual_count != 0)
1585 		cap->count1 = redo_VIsual_count;
1586 	    else
1587 		cap->count1 = 1;
1588 	}
1589 	else if (VIsual_active)
1590 	{
1591 	    if (!gui_yank)
1592 	    {
1593 		/* Save the current VIsual area for '< and '> marks, and "gv" */
1594 		curbuf->b_visual.vi_start = VIsual;
1595 		curbuf->b_visual.vi_end = curwin->w_cursor;
1596 		curbuf->b_visual.vi_mode = VIsual_mode;
1597 		curbuf->b_visual.vi_curswant = curwin->w_curswant;
1598 # ifdef FEAT_EVAL
1599 		curbuf->b_visual_mode_eval = VIsual_mode;
1600 # endif
1601 	    }
1602 
1603 	    /* In Select mode, a linewise selection is operated upon like a
1604 	     * characterwise selection. */
1605 	    if (VIsual_select && VIsual_mode == 'V')
1606 	    {
1607 		if (lt(VIsual, curwin->w_cursor))
1608 		{
1609 		    VIsual.col = 0;
1610 		    curwin->w_cursor.col =
1611 			       (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1612 		}
1613 		else
1614 		{
1615 		    curwin->w_cursor.col = 0;
1616 		    VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1617 		}
1618 		VIsual_mode = 'v';
1619 	    }
1620 	    /* If 'selection' is "exclusive", backup one character for
1621 	     * charwise selections. */
1622 	    else if (VIsual_mode == 'v')
1623 	    {
1624 # ifdef FEAT_VIRTUALEDIT
1625 		include_line_break =
1626 # endif
1627 		    unadjust_for_sel();
1628 	    }
1629 
1630 	    oap->start = VIsual;
1631 	    if (VIsual_mode == 'V')
1632 		oap->start.col = 0;
1633 	}
1634 #endif /* FEAT_VISUAL */
1635 
1636 	/*
1637 	 * Set oap->start to the first position of the operated text, oap->end
1638 	 * to the end of the operated text.  w_cursor is equal to oap->start.
1639 	 */
1640 	if (lt(oap->start, curwin->w_cursor))
1641 	{
1642 #ifdef FEAT_FOLDING
1643 	    /* Include folded lines completely. */
1644 	    if (!VIsual_active)
1645 	    {
1646 		if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1647 		    oap->start.col = 0;
1648 		if (hasFolding(curwin->w_cursor.lnum, NULL,
1649 						      &curwin->w_cursor.lnum))
1650 		    curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1651 	    }
1652 #endif
1653 	    oap->end = curwin->w_cursor;
1654 	    curwin->w_cursor = oap->start;
1655 
1656 	    /* w_virtcol may have been updated; if the cursor goes back to its
1657 	     * previous position w_virtcol becomes invalid and isn't updated
1658 	     * automatically. */
1659 	    curwin->w_valid &= ~VALID_VIRTCOL;
1660 	}
1661 	else
1662 	{
1663 #ifdef FEAT_FOLDING
1664 	    /* Include folded lines completely. */
1665 	    if (!VIsual_active && oap->motion_type == MLINE)
1666 	    {
1667 		if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1668 									NULL))
1669 		    curwin->w_cursor.col = 0;
1670 		if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1671 		    oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1672 	    }
1673 #endif
1674 	    oap->end = oap->start;
1675 	    oap->start = curwin->w_cursor;
1676 	}
1677 
1678 	oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1679 
1680 #ifdef FEAT_VIRTUALEDIT
1681 	/* Set "virtual_op" before resetting VIsual_active. */
1682 	virtual_op = virtual_active();
1683 #endif
1684 
1685 #ifdef FEAT_VISUAL
1686 	if (VIsual_active || redo_VIsual_busy)
1687 	{
1688 	    if (VIsual_mode == Ctrl_V)	/* block mode */
1689 	    {
1690 		colnr_T	    start, end;
1691 
1692 		oap->block_mode = TRUE;
1693 
1694 		getvvcol(curwin, &(oap->start),
1695 				      &oap->start_vcol, NULL, &oap->end_vcol);
1696 		if (!redo_VIsual_busy)
1697 		{
1698 		    getvvcol(curwin, &(oap->end), &start, NULL, &end);
1699 
1700 		    if (start < oap->start_vcol)
1701 			oap->start_vcol = start;
1702 		    if (end > oap->end_vcol)
1703 		    {
1704 			if (*p_sel == 'e' && start >= 1
1705 						&& start - 1 >= oap->end_vcol)
1706 			    oap->end_vcol = start - 1;
1707 			else
1708 			    oap->end_vcol = end;
1709 		    }
1710 		}
1711 
1712 		/* if '$' was used, get oap->end_vcol from longest line */
1713 		if (curwin->w_curswant == MAXCOL)
1714 		{
1715 		    curwin->w_cursor.col = MAXCOL;
1716 		    oap->end_vcol = 0;
1717 		    for (curwin->w_cursor.lnum = oap->start.lnum;
1718 			    curwin->w_cursor.lnum <= oap->end.lnum;
1719 						      ++curwin->w_cursor.lnum)
1720 		    {
1721 			getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1722 			if (end > oap->end_vcol)
1723 			    oap->end_vcol = end;
1724 		    }
1725 		}
1726 		else if (redo_VIsual_busy)
1727 		    oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1;
1728 		/*
1729 		 * Correct oap->end.col and oap->start.col to be the
1730 		 * upper-left and lower-right corner of the block area.
1731 		 *
1732 		 * (Actually, this does convert column positions into character
1733 		 * positions)
1734 		 */
1735 		curwin->w_cursor.lnum = oap->end.lnum;
1736 		coladvance(oap->end_vcol);
1737 		oap->end = curwin->w_cursor;
1738 
1739 		curwin->w_cursor = oap->start;
1740 		coladvance(oap->start_vcol);
1741 		oap->start = curwin->w_cursor;
1742 	    }
1743 
1744 	    if (!redo_VIsual_busy && !gui_yank)
1745 	    {
1746 		/*
1747 		 * Prepare to reselect and redo Visual: this is based on the
1748 		 * size of the Visual text
1749 		 */
1750 		resel_VIsual_mode = VIsual_mode;
1751 		if (curwin->w_curswant == MAXCOL)
1752 		    resel_VIsual_vcol = MAXCOL;
1753 		else
1754 		{
1755 		    if (VIsual_mode != Ctrl_V)
1756 			getvvcol(curwin, &(oap->end),
1757 						  NULL, NULL, &oap->end_vcol);
1758 		    if (VIsual_mode == Ctrl_V || oap->line_count <= 1)
1759 		    {
1760 			if (VIsual_mode != Ctrl_V)
1761 			    getvvcol(curwin, &(oap->start),
1762 						&oap->start_vcol, NULL, NULL);
1763 			resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1;
1764 		    }
1765 		    else
1766 			resel_VIsual_vcol = oap->end_vcol;
1767 		}
1768 		resel_VIsual_line_count = oap->line_count;
1769 	    }
1770 
1771 	    /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1772 	    if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1773 		    && oap->op_type != OP_COLON
1774 #ifdef FEAT_FOLDING
1775 		    && oap->op_type != OP_FOLD
1776 		    && oap->op_type != OP_FOLDOPEN
1777 		    && oap->op_type != OP_FOLDOPENREC
1778 		    && oap->op_type != OP_FOLDCLOSE
1779 		    && oap->op_type != OP_FOLDCLOSEREC
1780 		    && oap->op_type != OP_FOLDDEL
1781 		    && oap->op_type != OP_FOLDDELREC
1782 #endif
1783 		    && oap->motion_force == NUL
1784 		    )
1785 	    {
1786 		/* Prepare for redoing.  Only use the nchar field for "r",
1787 		 * otherwise it might be the second char of the operator. */
1788 		if (cap->cmdchar == 'g' && (cap->nchar == 'n'
1789 							|| cap->nchar == 'N'))
1790 		    /* "gn" and "gN" are a bit different */
1791 		    prep_redo(oap->regname, 0L, NUL, cap->cmdchar, cap->nchar,
1792 					get_op_char(oap->op_type),
1793 					get_extra_op_char(oap->op_type));
1794 		else
1795 		    prep_redo(oap->regname, 0L, NUL, 'v',
1796 					get_op_char(oap->op_type),
1797 					get_extra_op_char(oap->op_type),
1798 					oap->op_type == OP_REPLACE
1799 							  ? cap->nchar : NUL);
1800 		if (!redo_VIsual_busy)
1801 		{
1802 		    redo_VIsual_mode = resel_VIsual_mode;
1803 		    redo_VIsual_vcol = resel_VIsual_vcol;
1804 		    redo_VIsual_line_count = resel_VIsual_line_count;
1805 		    redo_VIsual_count = cap->count0;
1806 		}
1807 	    }
1808 
1809 	    /*
1810 	     * oap->inclusive defaults to TRUE.
1811 	     * If oap->end is on a NUL (empty line) oap->inclusive becomes
1812 	     * FALSE.  This makes "d}P" and "v}dP" work the same.
1813 	     */
1814 	    if (oap->motion_force == NUL || oap->motion_type == MLINE)
1815 		oap->inclusive = TRUE;
1816 	    if (VIsual_mode == 'V')
1817 		oap->motion_type = MLINE;
1818 	    else
1819 	    {
1820 		oap->motion_type = MCHAR;
1821 		if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1822 # ifdef FEAT_VIRTUALEDIT
1823 			&& (include_line_break || !virtual_op)
1824 # endif
1825 			)
1826 		{
1827 		    oap->inclusive = FALSE;
1828 		    /* Try to include the newline, unless it's an operator
1829 		     * that works on lines only. */
1830 		    if (*p_sel != 'o' && !op_on_lines(oap->op_type))
1831 		    {
1832 			if (oap->end.lnum < curbuf->b_ml.ml_line_count)
1833 			{
1834 			    ++oap->end.lnum;
1835 			    oap->end.col = 0;
1836 # ifdef FEAT_VIRTUALEDIT
1837 			    oap->end.coladd = 0;
1838 # endif
1839 			    ++oap->line_count;
1840 			}
1841 			else
1842 			{
1843 			    /* Cannot move below the last line, make the op
1844 			     * inclusive to tell the operation to include the
1845 			     * line break. */
1846 			    oap->inclusive = TRUE;
1847 			}
1848 		    }
1849 		}
1850 	    }
1851 
1852 	    redo_VIsual_busy = FALSE;
1853 
1854 	    /*
1855 	     * Switch Visual off now, so screen updating does
1856 	     * not show inverted text when the screen is redrawn.
1857 	     * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1858 	     * no screen redraw, so it is done here to remove the inverted
1859 	     * part.
1860 	     */
1861 	    if (!gui_yank)
1862 	    {
1863 		VIsual_active = FALSE;
1864 # ifdef FEAT_MOUSE
1865 		setmouse();
1866 		mouse_dragging = 0;
1867 # endif
1868 		if (mode_displayed)
1869 		    clear_cmdline = TRUE;   /* unshow visual mode later */
1870 #ifdef FEAT_CMDL_INFO
1871 		else
1872 		    clear_showcmd();
1873 #endif
1874 		if ((oap->op_type == OP_YANK
1875 			    || oap->op_type == OP_COLON
1876 			    || oap->op_type == OP_FUNCTION
1877 			    || oap->op_type == OP_FILTER)
1878 			&& oap->motion_force == NUL)
1879 		    redraw_curbuf_later(INVERTED);
1880 	    }
1881 	}
1882 #endif
1883 
1884 #ifdef FEAT_MBYTE
1885 	/* Include the trailing byte of a multi-byte char. */
1886 	if (has_mbyte && oap->inclusive)
1887 	{
1888 	    int		l;
1889 
1890 	    l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1891 	    if (l > 1)
1892 		oap->end.col += l - 1;
1893 	}
1894 #endif
1895 	curwin->w_set_curswant = TRUE;
1896 
1897 	/*
1898 	 * oap->empty is set when start and end are the same.  The inclusive
1899 	 * flag affects this too, unless yanking and the end is on a NUL.
1900 	 */
1901 	oap->empty = (oap->motion_type == MCHAR
1902 		    && (!oap->inclusive
1903 			|| (oap->op_type == OP_YANK
1904 			    && gchar_pos(&oap->end) == NUL))
1905 		    && equalpos(oap->start, oap->end)
1906 #ifdef FEAT_VIRTUALEDIT
1907 		    && !(virtual_op && oap->start.coladd != oap->end.coladd)
1908 #endif
1909 		    );
1910 	/*
1911 	 * For delete, change and yank, it's an error to operate on an
1912 	 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1913 	 */
1914 	empty_region_error = (oap->empty
1915 				&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1916 
1917 #ifdef FEAT_VISUAL
1918 	/* Force a redraw when operating on an empty Visual region, when
1919 	 * 'modifiable is off or creating a fold. */
1920 	if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1921 # ifdef FEAT_FOLDING
1922 		    || oap->op_type == OP_FOLD
1923 # endif
1924 		    ))
1925 	    redraw_curbuf_later(INVERTED);
1926 #endif
1927 
1928 	/*
1929 	 * If the end of an operator is in column one while oap->motion_type
1930 	 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1931 	 * character in the previous line. If op_start is on or before the
1932 	 * first non-blank in the line, the operator becomes linewise
1933 	 * (strange, but that's the way vi does it).
1934 	 */
1935 	if (	   oap->motion_type == MCHAR
1936 		&& oap->inclusive == FALSE
1937 		&& !(cap->retval & CA_NO_ADJ_OP_END)
1938 		&& oap->end.col == 0
1939 #ifdef FEAT_VISUAL
1940 		&& (!oap->is_VIsual || *p_sel == 'o')
1941 		&& !oap->block_mode
1942 #endif
1943 		&& oap->line_count > 1)
1944 	{
1945 	    oap->end_adjusted = TRUE;	    /* remember that we did this */
1946 	    --oap->line_count;
1947 	    --oap->end.lnum;
1948 	    if (inindent(0))
1949 		oap->motion_type = MLINE;
1950 	    else
1951 	    {
1952 		oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1953 		if (oap->end.col)
1954 		{
1955 		    --oap->end.col;
1956 		    oap->inclusive = TRUE;
1957 		}
1958 	    }
1959 	}
1960 	else
1961 	    oap->end_adjusted = FALSE;
1962 
1963 	switch (oap->op_type)
1964 	{
1965 	case OP_LSHIFT:
1966 	case OP_RSHIFT:
1967 	    op_shift(oap, TRUE,
1968 #ifdef FEAT_VISUAL
1969 		    oap->is_VIsual ? (int)cap->count1 :
1970 #endif
1971 		    1);
1972 	    auto_format(FALSE, TRUE);
1973 	    break;
1974 
1975 	case OP_JOIN_NS:
1976 	case OP_JOIN:
1977 	    if (oap->line_count < 2)
1978 		oap->line_count = 2;
1979 	    if (curwin->w_cursor.lnum + oap->line_count - 1 >
1980 						   curbuf->b_ml.ml_line_count)
1981 		beep_flush();
1982 	    else
1983 	    {
1984 		(void)do_join(oap->line_count, oap->op_type == OP_JOIN, TRUE, TRUE);
1985 		auto_format(FALSE, TRUE);
1986 	    }
1987 	    break;
1988 
1989 	case OP_DELETE:
1990 #ifdef FEAT_VISUAL
1991 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1992 #endif
1993 	    if (empty_region_error)
1994 	    {
1995 		vim_beep();
1996 		CancelRedo();
1997 	    }
1998 	    else
1999 	    {
2000 		(void)op_delete(oap);
2001 		if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
2002 		    u_save_cursor();	    /* cursor line wasn't saved yet */
2003 		auto_format(FALSE, TRUE);
2004 	    }
2005 	    break;
2006 
2007 	case OP_YANK:
2008 	    if (empty_region_error)
2009 	    {
2010 		if (!gui_yank)
2011 		{
2012 		    vim_beep();
2013 		    CancelRedo();
2014 		}
2015 	    }
2016 	    else
2017 		(void)op_yank(oap, FALSE, !gui_yank);
2018 	    check_cursor_col();
2019 	    break;
2020 
2021 	case OP_CHANGE:
2022 #ifdef FEAT_VISUAL
2023 	    VIsual_reselect = FALSE;	    /* don't reselect now */
2024 #endif
2025 	    if (empty_region_error)
2026 	    {
2027 		vim_beep();
2028 		CancelRedo();
2029 	    }
2030 	    else
2031 	    {
2032 		/* This is a new edit command, not a restart.  Need to
2033 		 * remember it to make 'insertmode' work with mappings for
2034 		 * Visual mode.  But do this only once and not when typed and
2035 		 * 'insertmode' isn't set. */
2036 		if (p_im || !KeyTyped)
2037 		    restart_edit_save = restart_edit;
2038 		else
2039 		    restart_edit_save = 0;
2040 		restart_edit = 0;
2041 		/* Reset finish_op now, don't want it set inside edit(). */
2042 		finish_op = FALSE;
2043 		if (op_change(oap))	/* will call edit() */
2044 		    cap->retval |= CA_COMMAND_BUSY;
2045 		if (restart_edit == 0)
2046 		    restart_edit = restart_edit_save;
2047 	    }
2048 	    break;
2049 
2050 	case OP_FILTER:
2051 	    if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
2052 		AppendToRedobuff((char_u *)"!\r");  /* use any last used !cmd */
2053 	    else
2054 		bangredo = TRUE;    /* do_bang() will put cmd in redo buffer */
2055 
2056 	case OP_INDENT:
2057 	case OP_COLON:
2058 
2059 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
2060 	    /*
2061 	     * If 'equalprg' is empty, do the indenting internally.
2062 	     */
2063 	    if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
2064 	    {
2065 # ifdef FEAT_LISP
2066 		if (curbuf->b_p_lisp)
2067 		{
2068 		    op_reindent(oap, get_lisp_indent);
2069 		    break;
2070 		}
2071 # endif
2072 # ifdef FEAT_CINDENT
2073 		op_reindent(oap,
2074 #  ifdef FEAT_EVAL
2075 			*curbuf->b_p_inde != NUL ? get_expr_indent :
2076 #  endif
2077 			    get_c_indent);
2078 		break;
2079 # endif
2080 	    }
2081 #endif
2082 
2083 	    op_colon(oap);
2084 	    break;
2085 
2086 	case OP_TILDE:
2087 	case OP_UPPER:
2088 	case OP_LOWER:
2089 	case OP_ROT13:
2090 	    if (empty_region_error)
2091 	    {
2092 		vim_beep();
2093 		CancelRedo();
2094 	    }
2095 	    else
2096 		op_tilde(oap);
2097 	    check_cursor_col();
2098 	    break;
2099 
2100 	case OP_FORMAT:
2101 #if defined(FEAT_EVAL)
2102 	    if (*curbuf->b_p_fex != NUL)
2103 		op_formatexpr(oap);	/* use expression */
2104 	    else
2105 #endif
2106 		if (*p_fp != NUL)
2107 		op_colon(oap);		/* use external command */
2108 	    else
2109 		op_format(oap, FALSE);	/* use internal function */
2110 	    break;
2111 
2112 	case OP_FORMAT2:
2113 	    op_format(oap, TRUE);	/* use internal function */
2114 	    break;
2115 
2116 	case OP_FUNCTION:
2117 	    op_function(oap);		/* call 'operatorfunc' */
2118 	    break;
2119 
2120 	case OP_INSERT:
2121 	case OP_APPEND:
2122 #ifdef FEAT_VISUAL
2123 	    VIsual_reselect = FALSE;	/* don't reselect now */
2124 #endif
2125 #ifdef FEAT_VISUALEXTRA
2126 	    if (empty_region_error)
2127 	    {
2128 		vim_beep();
2129 		CancelRedo();
2130 	    }
2131 	    else
2132 	    {
2133 		/* This is a new edit command, not a restart.  Need to
2134 		 * remember it to make 'insertmode' work with mappings for
2135 		 * Visual mode.  But do this only once. */
2136 		restart_edit_save = restart_edit;
2137 		restart_edit = 0;
2138 
2139 		op_insert(oap, cap->count1);
2140 
2141 		/* TODO: when inserting in several lines, should format all
2142 		 * the lines. */
2143 		auto_format(FALSE, TRUE);
2144 
2145 		if (restart_edit == 0)
2146 		    restart_edit = restart_edit_save;
2147 	    }
2148 #else
2149 	    vim_beep();
2150 #endif
2151 	    break;
2152 
2153 	case OP_REPLACE:
2154 #ifdef FEAT_VISUAL
2155 	    VIsual_reselect = FALSE;	/* don't reselect now */
2156 #endif
2157 #ifdef FEAT_VISUALEXTRA
2158 	    if (empty_region_error)
2159 #endif
2160 	    {
2161 		vim_beep();
2162 		CancelRedo();
2163 	    }
2164 #ifdef FEAT_VISUALEXTRA
2165 	    else
2166 		op_replace(oap, cap->nchar);
2167 #endif
2168 	    break;
2169 
2170 #ifdef FEAT_FOLDING
2171 	case OP_FOLD:
2172 	    VIsual_reselect = FALSE;	/* don't reselect now */
2173 	    foldCreate(oap->start.lnum, oap->end.lnum);
2174 	    break;
2175 
2176 	case OP_FOLDOPEN:
2177 	case OP_FOLDOPENREC:
2178 	case OP_FOLDCLOSE:
2179 	case OP_FOLDCLOSEREC:
2180 	    VIsual_reselect = FALSE;	/* don't reselect now */
2181 	    opFoldRange(oap->start.lnum, oap->end.lnum,
2182 		    oap->op_type == OP_FOLDOPEN
2183 					    || oap->op_type == OP_FOLDOPENREC,
2184 		    oap->op_type == OP_FOLDOPENREC
2185 					  || oap->op_type == OP_FOLDCLOSEREC,
2186 					  oap->is_VIsual);
2187 	    break;
2188 
2189 	case OP_FOLDDEL:
2190 	case OP_FOLDDELREC:
2191 	    VIsual_reselect = FALSE;	/* don't reselect now */
2192 	    deleteFold(oap->start.lnum, oap->end.lnum,
2193 			       oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2194 	    break;
2195 #endif
2196 	default:
2197 	    clearopbeep(oap);
2198 	}
2199 #ifdef FEAT_VIRTUALEDIT
2200 	virtual_op = MAYBE;
2201 #endif
2202 	if (!gui_yank)
2203 	{
2204 	    /*
2205 	     * if 'sol' not set, go back to old column for some commands
2206 	     */
2207 	    if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2208 		    && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2209 						|| oap->op_type == OP_DELETE))
2210 		coladvance(curwin->w_curswant = old_col);
2211 	}
2212 	else
2213 	{
2214 	    curwin->w_cursor = old_cursor;
2215 	}
2216 #ifdef FEAT_VISUAL
2217 	oap->block_mode = FALSE;
2218 #endif
2219 	clearop(oap);
2220     }
2221 }
2222 
2223 /*
2224  * Handle indent and format operators and visual mode ":".
2225  */
2226     static void
2227 op_colon(oap)
2228     oparg_T	*oap;
2229 {
2230     stuffcharReadbuff(':');
2231 #ifdef FEAT_VISUAL
2232     if (oap->is_VIsual)
2233 	stuffReadbuff((char_u *)"'<,'>");
2234     else
2235 #endif
2236     {
2237 	/*
2238 	 * Make the range look nice, so it can be repeated.
2239 	 */
2240 	if (oap->start.lnum == curwin->w_cursor.lnum)
2241 	    stuffcharReadbuff('.');
2242 	else
2243 	    stuffnumReadbuff((long)oap->start.lnum);
2244 	if (oap->end.lnum != oap->start.lnum)
2245 	{
2246 	    stuffcharReadbuff(',');
2247 	    if (oap->end.lnum == curwin->w_cursor.lnum)
2248 		stuffcharReadbuff('.');
2249 	    else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2250 		stuffcharReadbuff('$');
2251 	    else if (oap->start.lnum == curwin->w_cursor.lnum)
2252 	    {
2253 		stuffReadbuff((char_u *)".+");
2254 		stuffnumReadbuff((long)oap->line_count - 1);
2255 	    }
2256 	    else
2257 		stuffnumReadbuff((long)oap->end.lnum);
2258 	}
2259     }
2260     if (oap->op_type != OP_COLON)
2261 	stuffReadbuff((char_u *)"!");
2262     if (oap->op_type == OP_INDENT)
2263     {
2264 #ifndef FEAT_CINDENT
2265 	if (*get_equalprg() == NUL)
2266 	    stuffReadbuff((char_u *)"indent");
2267 	else
2268 #endif
2269 	    stuffReadbuff(get_equalprg());
2270 	stuffReadbuff((char_u *)"\n");
2271     }
2272     else if (oap->op_type == OP_FORMAT)
2273     {
2274 	if (*p_fp == NUL)
2275 	    stuffReadbuff((char_u *)"fmt");
2276 	else
2277 	    stuffReadbuff(p_fp);
2278 	stuffReadbuff((char_u *)"\n']");
2279     }
2280 
2281     /*
2282      * do_cmdline() does the rest
2283      */
2284 }
2285 
2286 /*
2287  * Handle the "g@" operator: call 'operatorfunc'.
2288  */
2289     static void
2290 op_function(oap)
2291     oparg_T	*oap UNUSED;
2292 {
2293 #ifdef FEAT_EVAL
2294     char_u	*(argv[1]);
2295     int		save_virtual_op = virtual_op;
2296 
2297     if (*p_opfunc == NUL)
2298 	EMSG(_("E774: 'operatorfunc' is empty"));
2299     else
2300     {
2301 	/* Set '[ and '] marks to text to be operated on. */
2302 	curbuf->b_op_start = oap->start;
2303 	curbuf->b_op_end = oap->end;
2304 	if (oap->motion_type != MLINE && !oap->inclusive)
2305 	    /* Exclude the end position. */
2306 	    decl(&curbuf->b_op_end);
2307 
2308 	if (oap->block_mode)
2309 	    argv[0] = (char_u *)"block";
2310 	else if (oap->motion_type == MLINE)
2311 	    argv[0] = (char_u *)"line";
2312 	else
2313 	    argv[0] = (char_u *)"char";
2314 
2315 	/* Reset virtual_op so that 'virtualedit' can be changed in the
2316 	 * function. */
2317 	virtual_op = MAYBE;
2318 
2319 	(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2320 
2321 	virtual_op = save_virtual_op;
2322     }
2323 #else
2324     EMSG(_("E775: Eval feature not available"));
2325 #endif
2326 }
2327 
2328 #if defined(FEAT_MOUSE) || defined(PROTO)
2329 /*
2330  * Do the appropriate action for the current mouse click in the current mode.
2331  * Not used for Command-line mode.
2332  *
2333  * Normal Mode:
2334  * event	 modi-	position      visual	   change   action
2335  *		 fier	cursor			   window
2336  * left press	  -	yes	    end		    yes
2337  * left press	  C	yes	    end		    yes	    "^]" (2)
2338  * left press	  S	yes	    end		    yes	    "*" (2)
2339  * left drag	  -	yes	start if moved	    no
2340  * left relse	  -	yes	start if moved	    no
2341  * middle press	  -	yes	 if not active	    no	    put register
2342  * middle press	  -	yes	 if active	    no	    yank and put
2343  * right press	  -	yes	start or extend	    yes
2344  * right press	  S	yes	no change	    yes	    "#" (2)
2345  * right drag	  -	yes	extend		    no
2346  * right relse	  -	yes	extend		    no
2347  *
2348  * Insert or Replace Mode:
2349  * event	 modi-	position      visual	   change   action
2350  *		 fier	cursor			   window
2351  * left press	  -	yes	(cannot be active)  yes
2352  * left press	  C	yes	(cannot be active)  yes	    "CTRL-O^]" (2)
2353  * left press	  S	yes	(cannot be active)  yes	    "CTRL-O*" (2)
2354  * left drag	  -	yes	start or extend (1) no	    CTRL-O (1)
2355  * left relse	  -	yes	start or extend (1) no	    CTRL-O (1)
2356  * middle press	  -	no	(cannot be active)  no	    put register
2357  * right press	  -	yes	start or extend	    yes	    CTRL-O
2358  * right press	  S	yes	(cannot be active)  yes	    "CTRL-O#" (2)
2359  *
2360  * (1) only if mouse pointer moved since press
2361  * (2) only if click is in same buffer
2362  *
2363  * Return TRUE if start_arrow() should be called for edit mode.
2364  */
2365     int
2366 do_mouse(oap, c, dir, count, fixindent)
2367     oparg_T	*oap;		/* operator argument, can be NULL */
2368     int		c;		/* K_LEFTMOUSE, etc */
2369     int		dir;		/* Direction to 'put' if necessary */
2370     long	count;
2371     int		fixindent;	/* PUT_FIXINDENT if fixing indent necessary */
2372 {
2373     static int	do_always = FALSE;	/* ignore 'mouse' setting next time */
2374     static int	got_click = FALSE;	/* got a click some time back */
2375 
2376     int		which_button;	/* MOUSE_LEFT, _MIDDLE or _RIGHT */
2377     int		is_click;	/* If FALSE it's a drag or release event */
2378     int		is_drag;	/* If TRUE it's a drag event */
2379     int		jump_flags = 0;	/* flags for jump_to_mouse() */
2380     pos_T	start_visual;
2381     int		moved;		/* Has cursor moved? */
2382     int		in_status_line;	/* mouse in status line */
2383 #ifdef FEAT_WINDOWS
2384     static int	in_tab_line = FALSE; /* mouse clicked in tab line */
2385 #endif
2386 #ifdef FEAT_VERTSPLIT
2387     int		in_sep_line;	/* mouse in vertical separator line */
2388 #endif
2389     int		c1, c2;
2390 #if defined(FEAT_FOLDING)
2391     pos_T	save_cursor;
2392 #endif
2393     win_T	*old_curwin = curwin;
2394 #ifdef FEAT_VISUAL
2395     static pos_T orig_cursor;
2396     colnr_T	leftcol, rightcol;
2397     pos_T	end_visual;
2398     int		diff;
2399     int		old_active = VIsual_active;
2400     int		old_mode = VIsual_mode;
2401 #endif
2402     int		regname;
2403 
2404 #if defined(FEAT_FOLDING)
2405     save_cursor = curwin->w_cursor;
2406 #endif
2407 
2408     /*
2409      * When GUI is active, always recognize mouse events, otherwise:
2410      * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2411      * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2412      * - For command line and insert mode 'mouse' is checked before calling
2413      *	 do_mouse().
2414      */
2415     if (do_always)
2416 	do_always = FALSE;
2417     else
2418 #ifdef FEAT_GUI
2419 	if (!gui.in_use)
2420 #endif
2421 	{
2422 #ifdef FEAT_VISUAL
2423 	    if (VIsual_active)
2424 	    {
2425 		if (!mouse_has(MOUSE_VISUAL))
2426 		    return FALSE;
2427 	    }
2428 	    else
2429 #endif
2430 		if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2431 		return FALSE;
2432 	}
2433 
2434     which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2435 
2436 #ifdef FEAT_MOUSESHAPE
2437     /* May have stopped dragging the status or separator line.  The pointer is
2438      * most likely still on the status or separator line. */
2439     if (!is_drag && drag_status_line)
2440     {
2441 	drag_status_line = FALSE;
2442 	update_mouseshape(SHAPE_IDX_STATUS);
2443     }
2444 # ifdef FEAT_VERTSPLIT
2445     if (!is_drag && drag_sep_line)
2446     {
2447 	drag_sep_line = FALSE;
2448 	update_mouseshape(SHAPE_IDX_VSEP);
2449     }
2450 # endif
2451 #endif
2452 
2453     /*
2454      * Ignore drag and release events if we didn't get a click.
2455      */
2456     if (is_click)
2457 	got_click = TRUE;
2458     else
2459     {
2460 	if (!got_click)			/* didn't get click, ignore */
2461 	    return FALSE;
2462 	if (!is_drag)			/* release, reset got_click */
2463 	{
2464 	    got_click = FALSE;
2465 #ifdef FEAT_WINDOWS
2466 	    if (in_tab_line)
2467 	    {
2468 		in_tab_line = FALSE;
2469 		return FALSE;
2470 	    }
2471 #endif
2472 	}
2473     }
2474 
2475 #ifndef FEAT_VISUAL
2476     /*
2477      * ALT is only used for starging/extending Visual mode.
2478      */
2479     if ((mod_mask & MOD_MASK_ALT))
2480 	return FALSE;
2481 #endif
2482 
2483     /*
2484      * CTRL right mouse button does CTRL-T
2485      */
2486     if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2487     {
2488 	if (State & INSERT)
2489 	    stuffcharReadbuff(Ctrl_O);
2490 	if (count > 1)
2491 	    stuffnumReadbuff(count);
2492 	stuffcharReadbuff(Ctrl_T);
2493 	got_click = FALSE;		/* ignore drag&release now */
2494 	return FALSE;
2495     }
2496 
2497     /*
2498      * CTRL only works with left mouse button
2499      */
2500     if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2501 	return FALSE;
2502 
2503     /*
2504      * When a modifier is down, ignore drag and release events, as well as
2505      * multiple clicks and the middle mouse button.
2506      * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2507      */
2508     if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2509 							     | MOD_MASK_META))
2510 	    && (!is_click
2511 		|| (mod_mask & MOD_MASK_MULTI_CLICK)
2512 		|| which_button == MOUSE_MIDDLE)
2513 	    && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2514 		&& mouse_model_popup()
2515 		&& which_button == MOUSE_LEFT)
2516 	    && !((mod_mask & MOD_MASK_ALT)
2517 		&& !mouse_model_popup()
2518 		&& which_button == MOUSE_RIGHT)
2519 	    )
2520 	return FALSE;
2521 
2522     /*
2523      * If the button press was used as the movement command for an operator
2524      * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2525      * drag/release events.
2526      */
2527     if (!is_click && which_button == MOUSE_MIDDLE)
2528 	return FALSE;
2529 
2530     if (oap != NULL)
2531 	regname = oap->regname;
2532     else
2533 	regname = 0;
2534 
2535     /*
2536      * Middle mouse button does a 'put' of the selected text
2537      */
2538     if (which_button == MOUSE_MIDDLE)
2539     {
2540 	if (State == NORMAL)
2541 	{
2542 	    /*
2543 	     * If an operator was pending, we don't know what the user wanted
2544 	     * to do. Go back to normal mode: Clear the operator and beep().
2545 	     */
2546 	    if (oap != NULL && oap->op_type != OP_NOP)
2547 	    {
2548 		clearopbeep(oap);
2549 		return FALSE;
2550 	    }
2551 
2552 #ifdef FEAT_VISUAL
2553 	    /*
2554 	     * If visual was active, yank the highlighted text and put it
2555 	     * before the mouse pointer position.
2556 	     * In Select mode replace the highlighted text with the clipboard.
2557 	     */
2558 	    if (VIsual_active)
2559 	    {
2560 		if (VIsual_select)
2561 		{
2562 		    stuffcharReadbuff(Ctrl_G);
2563 		    stuffReadbuff((char_u *)"\"+p");
2564 		}
2565 		else
2566 		{
2567 		    stuffcharReadbuff('y');
2568 		    stuffcharReadbuff(K_MIDDLEMOUSE);
2569 		}
2570 		do_always = TRUE;	/* ignore 'mouse' setting next time */
2571 		return FALSE;
2572 	    }
2573 #endif
2574 	    /*
2575 	     * The rest is below jump_to_mouse()
2576 	     */
2577 	}
2578 
2579 	else if ((State & INSERT) == 0)
2580 	    return FALSE;
2581 
2582 	/*
2583 	 * Middle click in insert mode doesn't move the mouse, just insert the
2584 	 * contents of a register.  '.' register is special, can't insert that
2585 	 * with do_put().
2586 	 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2587 	 * happens for the GUI).
2588 	 */
2589 	if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2590 	{
2591 	    if (regname == '.')
2592 		insert_reg(regname, TRUE);
2593 	    else
2594 	    {
2595 #ifdef FEAT_CLIPBOARD
2596 		if (clip_star.available && regname == 0)
2597 		    regname = '*';
2598 #endif
2599 		if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2600 		    insert_reg(regname, TRUE);
2601 		else
2602 		{
2603 		    do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2604 
2605 		    /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2606 		    AppendCharToRedobuff(Ctrl_R);
2607 		    AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2608 		    AppendCharToRedobuff(regname == 0 ? '"' : regname);
2609 		}
2610 	    }
2611 	    return FALSE;
2612 	}
2613     }
2614 
2615     /* When dragging or button-up stay in the same window. */
2616     if (!is_click)
2617 	jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2618 
2619     start_visual.lnum = 0;
2620 
2621 #ifdef FEAT_WINDOWS
2622     /* Check for clicking in the tab page line. */
2623     if (mouse_row == 0 && firstwin->w_winrow > 0)
2624     {
2625 	if (is_drag)
2626 	{
2627 	    if (in_tab_line)
2628 	    {
2629 		c1 = TabPageIdxs[mouse_col];
2630 		tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
2631 	    }
2632 	    return FALSE;
2633 	}
2634 
2635 	/* click in a tab selects that tab page */
2636 	if (is_click
2637 # ifdef FEAT_CMDWIN
2638 		&& cmdwin_type == 0
2639 # endif
2640 		&& mouse_col < Columns)
2641 	{
2642 	    in_tab_line = TRUE;
2643 	    c1 = TabPageIdxs[mouse_col];
2644 	    if (c1 >= 0)
2645 	    {
2646 		if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2647 		{
2648 		    /* double click opens new page */
2649 		    end_visual_mode();
2650 		    tabpage_new();
2651 		    tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2652 		}
2653 		else
2654 		{
2655 		    /* Go to specified tab page, or next one if not clicking
2656 		     * on a label. */
2657 		    goto_tabpage(c1);
2658 
2659 		    /* It's like clicking on the status line of a window. */
2660 		    if (curwin != old_curwin)
2661 			end_visual_mode();
2662 		}
2663 	    }
2664 	    else if (c1 < 0)
2665 	    {
2666 		tabpage_T	*tp;
2667 
2668 		/* Close the current or specified tab page. */
2669 		if (c1 == -999)
2670 		    tp = curtab;
2671 		else
2672 		    tp = find_tabpage(-c1);
2673 		if (tp == curtab)
2674 		{
2675 		    if (first_tabpage->tp_next != NULL)
2676 			tabpage_close(FALSE);
2677 		}
2678 		else if (tp != NULL)
2679 		    tabpage_close_other(tp, FALSE);
2680 	    }
2681 	}
2682 	return TRUE;
2683     }
2684     else if (is_drag && in_tab_line)
2685     {
2686 	c1 = TabPageIdxs[mouse_col];
2687 	tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
2688 	return FALSE;
2689     }
2690 
2691 #endif
2692 
2693     /*
2694      * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2695      * right button up   -> pop-up menu
2696      * shift-left button -> right button
2697      * alt-left button   -> alt-right button
2698      */
2699     if (mouse_model_popup())
2700     {
2701 	if (which_button == MOUSE_RIGHT
2702 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2703 	{
2704 	    /*
2705 	     * NOTE: Ignore right button down and drag mouse events.
2706 	     * Windows only shows the popup menu on the button up event.
2707 	     */
2708 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2709 			  || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2710 	    if (!is_click)
2711 		return FALSE;
2712 #endif
2713 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2714 	    if (is_click || is_drag)
2715 		return FALSE;
2716 #endif
2717 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2718 	    || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2719 	    || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2720 	    if (gui.in_use)
2721 	    {
2722 		jump_flags = 0;
2723 		if (STRCMP(p_mousem, "popup_setpos") == 0)
2724 		{
2725 		    /* First set the cursor position before showing the popup
2726 		     * menu. */
2727 #ifdef FEAT_VISUAL
2728 		    if (VIsual_active)
2729 		    {
2730 			pos_T    m_pos;
2731 
2732 			/*
2733 			 * set MOUSE_MAY_STOP_VIS if we are outside the
2734 			 * selection or the current window (might have false
2735 			 * negative here)
2736 			 */
2737 			if (mouse_row < W_WINROW(curwin)
2738 			     || mouse_row
2739 				      > (W_WINROW(curwin) + curwin->w_height))
2740 			    jump_flags = MOUSE_MAY_STOP_VIS;
2741 			else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2742 			    jump_flags = MOUSE_MAY_STOP_VIS;
2743 			else
2744 			{
2745 			    if ((lt(curwin->w_cursor, VIsual)
2746 					&& (lt(m_pos, curwin->w_cursor)
2747 					    || lt(VIsual, m_pos)))
2748 				    || (lt(VIsual, curwin->w_cursor)
2749 					&& (lt(m_pos, VIsual)
2750 					    || lt(curwin->w_cursor, m_pos))))
2751 			    {
2752 				jump_flags = MOUSE_MAY_STOP_VIS;
2753 			    }
2754 			    else if (VIsual_mode == Ctrl_V)
2755 			    {
2756 				getvcols(curwin, &curwin->w_cursor, &VIsual,
2757 							 &leftcol, &rightcol);
2758 				getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2759 				if (m_pos.col < leftcol || m_pos.col > rightcol)
2760 				    jump_flags = MOUSE_MAY_STOP_VIS;
2761 			    }
2762 			}
2763 		    }
2764 		    else
2765 			jump_flags = MOUSE_MAY_STOP_VIS;
2766 #endif
2767 		}
2768 		if (jump_flags)
2769 		{
2770 		    jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2771 		    update_curbuf(
2772 #ifdef FEAT_VISUAL
2773 			    VIsual_active ? INVERTED :
2774 #endif
2775 			    VALID);
2776 		    setcursor();
2777 		    out_flush();    /* Update before showing popup menu */
2778 		}
2779 # ifdef FEAT_MENU
2780 		gui_show_popupmenu();
2781 # endif
2782 		return (jump_flags & CURSOR_MOVED) != 0;
2783 	    }
2784 	    else
2785 		return FALSE;
2786 #else
2787 	    return FALSE;
2788 #endif
2789 	}
2790 	if (which_button == MOUSE_LEFT
2791 				&& (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2792 	{
2793 	    which_button = MOUSE_RIGHT;
2794 	    mod_mask &= ~MOD_MASK_SHIFT;
2795 	}
2796     }
2797 
2798 #ifdef FEAT_VISUAL
2799     if ((State & (NORMAL | INSERT))
2800 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2801     {
2802 	if (which_button == MOUSE_LEFT)
2803 	{
2804 	    if (is_click)
2805 	    {
2806 		/* stop Visual mode for a left click in a window, but not when
2807 		 * on a status line */
2808 		if (VIsual_active)
2809 		    jump_flags |= MOUSE_MAY_STOP_VIS;
2810 	    }
2811 	    else if (mouse_has(MOUSE_VISUAL))
2812 		jump_flags |= MOUSE_MAY_VIS;
2813 	}
2814 	else if (which_button == MOUSE_RIGHT)
2815 	{
2816 	    if (is_click && VIsual_active)
2817 	    {
2818 		/*
2819 		 * Remember the start and end of visual before moving the
2820 		 * cursor.
2821 		 */
2822 		if (lt(curwin->w_cursor, VIsual))
2823 		{
2824 		    start_visual = curwin->w_cursor;
2825 		    end_visual = VIsual;
2826 		}
2827 		else
2828 		{
2829 		    start_visual = VIsual;
2830 		    end_visual = curwin->w_cursor;
2831 		}
2832 	    }
2833 	    jump_flags |= MOUSE_FOCUS;
2834 	    if (mouse_has(MOUSE_VISUAL))
2835 		jump_flags |= MOUSE_MAY_VIS;
2836 	}
2837     }
2838 #endif
2839 
2840     /*
2841      * If an operator is pending, ignore all drags and releases until the
2842      * next mouse click.
2843      */
2844     if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2845     {
2846 	got_click = FALSE;
2847 	oap->motion_type = MCHAR;
2848     }
2849 
2850     /* When releasing the button let jump_to_mouse() know. */
2851     if (!is_click && !is_drag)
2852 	jump_flags |= MOUSE_RELEASED;
2853 
2854     /*
2855      * JUMP!
2856      */
2857     jump_flags = jump_to_mouse(jump_flags,
2858 			oap == NULL ? NULL : &(oap->inclusive), which_button);
2859     moved = (jump_flags & CURSOR_MOVED);
2860     in_status_line = (jump_flags & IN_STATUS_LINE);
2861 #ifdef FEAT_VERTSPLIT
2862     in_sep_line = (jump_flags & IN_SEP_LINE);
2863 #endif
2864 
2865 #ifdef FEAT_NETBEANS_INTG
2866     if (isNetbeansBuffer(curbuf)
2867 			    && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2868     {
2869 	int key = KEY2TERMCAP1(c);
2870 
2871 	if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2872 					       || key == (int)KE_RIGHTRELEASE)
2873 	    netbeans_button_release(which_button);
2874     }
2875 #endif
2876 
2877     /* When jumping to another window, clear a pending operator.  That's a bit
2878      * friendlier than beeping and not jumping to that window. */
2879     if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2880 	clearop(oap);
2881 
2882 #ifdef FEAT_FOLDING
2883     if (mod_mask == 0
2884 	    && !is_drag
2885 	    && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2886 	    && which_button == MOUSE_LEFT)
2887     {
2888 	/* open or close a fold at this line */
2889 	if (jump_flags & MOUSE_FOLD_OPEN)
2890 	    openFold(curwin->w_cursor.lnum, 1L);
2891 	else
2892 	    closeFold(curwin->w_cursor.lnum, 1L);
2893 	/* don't move the cursor if still in the same window */
2894 	if (curwin == old_curwin)
2895 	    curwin->w_cursor = save_cursor;
2896     }
2897 #endif
2898 
2899 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2900     if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2901     {
2902 	clip_modeless(which_button, is_click, is_drag);
2903 	return FALSE;
2904     }
2905 #endif
2906 
2907 #ifdef FEAT_VISUAL
2908     /* Set global flag that we are extending the Visual area with mouse
2909      * dragging; temporarily minimize 'scrolloff'. */
2910     if (VIsual_active && is_drag && p_so)
2911     {
2912 	/* In the very first line, allow scrolling one line */
2913 	if (mouse_row == 0)
2914 	    mouse_dragging = 2;
2915 	else
2916 	    mouse_dragging = 1;
2917     }
2918 
2919     /* When dragging the mouse above the window, scroll down. */
2920     if (is_drag && mouse_row < 0 && !in_status_line)
2921     {
2922 	scroll_redraw(FALSE, 1L);
2923 	mouse_row = 0;
2924     }
2925 
2926     if (start_visual.lnum)		/* right click in visual mode */
2927     {
2928        /* When ALT is pressed make Visual mode blockwise. */
2929        if (mod_mask & MOD_MASK_ALT)
2930 	   VIsual_mode = Ctrl_V;
2931 
2932 	/*
2933 	 * In Visual-block mode, divide the area in four, pick up the corner
2934 	 * that is in the quarter that the cursor is in.
2935 	 */
2936 	if (VIsual_mode == Ctrl_V)
2937 	{
2938 	    getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2939 	    if (curwin->w_curswant > (leftcol + rightcol) / 2)
2940 		end_visual.col = leftcol;
2941 	    else
2942 		end_visual.col = rightcol;
2943 	    if (curwin->w_cursor.lnum <
2944 				    (start_visual.lnum + end_visual.lnum) / 2)
2945 		end_visual.lnum = end_visual.lnum;
2946 	    else
2947 		end_visual.lnum = start_visual.lnum;
2948 
2949 	    /* move VIsual to the right column */
2950 	    start_visual = curwin->w_cursor;	    /* save the cursor pos */
2951 	    curwin->w_cursor = end_visual;
2952 	    coladvance(end_visual.col);
2953 	    VIsual = curwin->w_cursor;
2954 	    curwin->w_cursor = start_visual;	    /* restore the cursor */
2955 	}
2956 	else
2957 	{
2958 	    /*
2959 	     * If the click is before the start of visual, change the start.
2960 	     * If the click is after the end of visual, change the end.  If
2961 	     * the click is inside the visual, change the closest side.
2962 	     */
2963 	    if (lt(curwin->w_cursor, start_visual))
2964 		VIsual = end_visual;
2965 	    else if (lt(end_visual, curwin->w_cursor))
2966 		VIsual = start_visual;
2967 	    else
2968 	    {
2969 		/* In the same line, compare column number */
2970 		if (end_visual.lnum == start_visual.lnum)
2971 		{
2972 		    if (curwin->w_cursor.col - start_visual.col >
2973 				    end_visual.col - curwin->w_cursor.col)
2974 			VIsual = start_visual;
2975 		    else
2976 			VIsual = end_visual;
2977 		}
2978 
2979 		/* In different lines, compare line number */
2980 		else
2981 		{
2982 		    diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2983 				(end_visual.lnum - curwin->w_cursor.lnum);
2984 
2985 		    if (diff > 0)		/* closest to end */
2986 			VIsual = start_visual;
2987 		    else if (diff < 0)	/* closest to start */
2988 			VIsual = end_visual;
2989 		    else			/* in the middle line */
2990 		    {
2991 			if (curwin->w_cursor.col <
2992 					(start_visual.col + end_visual.col) / 2)
2993 			    VIsual = end_visual;
2994 			else
2995 			    VIsual = start_visual;
2996 		    }
2997 		}
2998 	    }
2999 	}
3000     }
3001     /*
3002      * If Visual mode started in insert mode, execute "CTRL-O"
3003      */
3004     else if ((State & INSERT) && VIsual_active)
3005 	stuffcharReadbuff(Ctrl_O);
3006 #endif
3007 
3008     /*
3009      * Middle mouse click: Put text before cursor.
3010      */
3011     if (which_button == MOUSE_MIDDLE)
3012     {
3013 #ifdef FEAT_CLIPBOARD
3014 	if (clip_star.available && regname == 0)
3015 	    regname = '*';
3016 #endif
3017 	if (yank_register_mline(regname))
3018 	{
3019 	    if (mouse_past_bottom)
3020 		dir = FORWARD;
3021 	}
3022 	else if (mouse_past_eol)
3023 	    dir = FORWARD;
3024 
3025 	if (fixindent)
3026 	{
3027 	    c1 = (dir == BACKWARD) ? '[' : ']';
3028 	    c2 = 'p';
3029 	}
3030 	else
3031 	{
3032 	    c1 = (dir == FORWARD) ? 'p' : 'P';
3033 	    c2 = NUL;
3034 	}
3035 	prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
3036 
3037 	/*
3038 	 * Remember where the paste started, so in edit() Insstart can be set
3039 	 * to this position
3040 	 */
3041 	if (restart_edit != 0)
3042 	    where_paste_started = curwin->w_cursor;
3043 	do_put(regname, dir, count, fixindent | PUT_CURSEND);
3044     }
3045 
3046 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
3047     /*
3048      * Ctrl-Mouse click or double click in a quickfix window jumps to the
3049      * error under the mouse pointer.
3050      */
3051     else if (((mod_mask & MOD_MASK_CTRL)
3052 		|| (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3053 	    && bt_quickfix(curbuf))
3054     {
3055 	if (State & INSERT)
3056 	    stuffcharReadbuff(Ctrl_O);
3057 	if (curwin->w_llist_ref == NULL)	/* quickfix window */
3058 	    stuffReadbuff((char_u *)":.cc\n");
3059 	else					/* location list window */
3060 	    stuffReadbuff((char_u *)":.ll\n");
3061 	got_click = FALSE;		/* ignore drag&release now */
3062     }
3063 #endif
3064 
3065     /*
3066      * Ctrl-Mouse click (or double click in a help window) jumps to the tag
3067      * under the mouse pointer.
3068      */
3069     else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
3070 		     && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
3071     {
3072 	if (State & INSERT)
3073 	    stuffcharReadbuff(Ctrl_O);
3074 	stuffcharReadbuff(Ctrl_RSB);
3075 	got_click = FALSE;		/* ignore drag&release now */
3076     }
3077 
3078     /*
3079      * Shift-Mouse click searches for the next occurrence of the word under
3080      * the mouse pointer
3081      */
3082     else if ((mod_mask & MOD_MASK_SHIFT))
3083     {
3084 	if (State & INSERT
3085 #ifdef FEAT_VISUAL
3086 		|| (VIsual_active && VIsual_select)
3087 #endif
3088 		)
3089 	    stuffcharReadbuff(Ctrl_O);
3090 	if (which_button == MOUSE_LEFT)
3091 	    stuffcharReadbuff('*');
3092 	else	/* MOUSE_RIGHT */
3093 	    stuffcharReadbuff('#');
3094     }
3095 
3096     /* Handle double clicks, unless on status line */
3097     else if (in_status_line)
3098     {
3099 #ifdef FEAT_MOUSESHAPE
3100 	if ((is_drag || is_click) && !drag_status_line)
3101 	{
3102 	    drag_status_line = TRUE;
3103 	    update_mouseshape(-1);
3104 	}
3105 #endif
3106     }
3107 #ifdef FEAT_VERTSPLIT
3108     else if (in_sep_line)
3109     {
3110 # ifdef FEAT_MOUSESHAPE
3111 	if ((is_drag || is_click) && !drag_sep_line)
3112 	{
3113 	    drag_sep_line = TRUE;
3114 	    update_mouseshape(-1);
3115 	}
3116 # endif
3117     }
3118 #endif
3119 #ifdef FEAT_VISUAL
3120     else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
3121 	     && mouse_has(MOUSE_VISUAL))
3122     {
3123 	if (is_click || !VIsual_active)
3124 	{
3125 	    if (VIsual_active)
3126 		orig_cursor = VIsual;
3127 	    else
3128 	    {
3129 		check_visual_highlight();
3130 		VIsual = curwin->w_cursor;
3131 		orig_cursor = VIsual;
3132 		VIsual_active = TRUE;
3133 		VIsual_reselect = TRUE;
3134 		/* start Select mode if 'selectmode' contains "mouse" */
3135 		may_start_select('o');
3136 		setmouse();
3137 	    }
3138 	    if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3139 	    {
3140 		/* Double click with ALT pressed makes it blockwise. */
3141 		if (mod_mask & MOD_MASK_ALT)
3142 		    VIsual_mode = Ctrl_V;
3143 		else
3144 		    VIsual_mode = 'v';
3145 	    }
3146 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
3147 		VIsual_mode = 'V';
3148 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
3149 		VIsual_mode = Ctrl_V;
3150 #ifdef FEAT_CLIPBOARD
3151 	    /* Make sure the clipboard gets updated.  Needed because start and
3152 	     * end may still be the same, and the selection needs to be owned */
3153 	    clip_star.vmode = NUL;
3154 #endif
3155 	}
3156 	/*
3157 	 * A double click selects a word or a block.
3158 	 */
3159 	if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3160 	{
3161 	    pos_T	*pos = NULL;
3162 	    int		gc;
3163 
3164 	    if (is_click)
3165 	    {
3166 		/* If the character under the cursor (skipping white space) is
3167 		 * not a word character, try finding a match and select a (),
3168 		 * {}, [], #if/#endif, etc. block. */
3169 		end_visual = curwin->w_cursor;
3170 		while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
3171 		    inc(&end_visual);
3172 		if (oap != NULL)
3173 		    oap->motion_type = MCHAR;
3174 		if (oap != NULL
3175 			&& VIsual_mode == 'v'
3176 			&& !vim_iswordc(gchar_pos(&end_visual))
3177 			&& equalpos(curwin->w_cursor, VIsual)
3178 			&& (pos = findmatch(oap, NUL)) != NULL)
3179 		{
3180 		    curwin->w_cursor = *pos;
3181 		    if (oap->motion_type == MLINE)
3182 			VIsual_mode = 'V';
3183 		    else if (*p_sel == 'e')
3184 		    {
3185 			if (lt(curwin->w_cursor, VIsual))
3186 			    ++VIsual.col;
3187 			else
3188 			    ++curwin->w_cursor.col;
3189 		    }
3190 		}
3191 	    }
3192 
3193 	    if (pos == NULL && (is_click || is_drag))
3194 	    {
3195 		/* When not found a match or when dragging: extend to include
3196 		 * a word. */
3197 		if (lt(curwin->w_cursor, orig_cursor))
3198 		{
3199 		    find_start_of_word(&curwin->w_cursor);
3200 		    find_end_of_word(&VIsual);
3201 		}
3202 		else
3203 		{
3204 		    find_start_of_word(&VIsual);
3205 		    if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3206 #ifdef FEAT_MBYTE
3207 			curwin->w_cursor.col +=
3208 					 (*mb_ptr2len)(ml_get_cursor());
3209 #else
3210 			++curwin->w_cursor.col;
3211 #endif
3212 		    find_end_of_word(&curwin->w_cursor);
3213 		}
3214 	    }
3215 	    curwin->w_set_curswant = TRUE;
3216 	}
3217 	if (is_click)
3218 	    redraw_curbuf_later(INVERTED);	/* update the inversion */
3219     }
3220     else if (VIsual_active && !old_active)
3221     {
3222 	if (mod_mask & MOD_MASK_ALT)
3223 	    VIsual_mode = Ctrl_V;
3224 	else
3225 	    VIsual_mode = 'v';
3226     }
3227 
3228     /* If Visual mode changed show it later. */
3229     if ((!VIsual_active && old_active && mode_displayed)
3230 	    || (VIsual_active && p_smd && msg_silent == 0
3231 				 && (!old_active || VIsual_mode != old_mode)))
3232 	redraw_cmdline = TRUE;
3233 #endif
3234 
3235     return moved;
3236 }
3237 
3238 #ifdef FEAT_VISUAL
3239 /*
3240  * Move "pos" back to the start of the word it's in.
3241  */
3242     static void
3243 find_start_of_word(pos)
3244     pos_T	*pos;
3245 {
3246     char_u	*line;
3247     int		cclass;
3248     int		col;
3249 
3250     line = ml_get(pos->lnum);
3251     cclass = get_mouse_class(line + pos->col);
3252 
3253     while (pos->col > 0)
3254     {
3255 	col = pos->col - 1;
3256 #ifdef FEAT_MBYTE
3257 	col -= (*mb_head_off)(line, line + col);
3258 #endif
3259 	if (get_mouse_class(line + col) != cclass)
3260 	    break;
3261 	pos->col = col;
3262     }
3263 }
3264 
3265 /*
3266  * Move "pos" forward to the end of the word it's in.
3267  * When 'selection' is "exclusive", the position is just after the word.
3268  */
3269     static void
3270 find_end_of_word(pos)
3271     pos_T	*pos;
3272 {
3273     char_u	*line;
3274     int		cclass;
3275     int		col;
3276 
3277     line = ml_get(pos->lnum);
3278     if (*p_sel == 'e' && pos->col > 0)
3279     {
3280 	--pos->col;
3281 #ifdef FEAT_MBYTE
3282 	pos->col -= (*mb_head_off)(line, line + pos->col);
3283 #endif
3284     }
3285     cclass = get_mouse_class(line + pos->col);
3286     while (line[pos->col] != NUL)
3287     {
3288 #ifdef FEAT_MBYTE
3289 	col = pos->col + (*mb_ptr2len)(line + pos->col);
3290 #else
3291 	col = pos->col + 1;
3292 #endif
3293 	if (get_mouse_class(line + col) != cclass)
3294 	{
3295 	    if (*p_sel == 'e')
3296 		pos->col = col;
3297 	    break;
3298 	}
3299 	pos->col = col;
3300     }
3301 }
3302 
3303 /*
3304  * Get class of a character for selection: same class means same word.
3305  * 0: blank
3306  * 1: punctuation groups
3307  * 2: normal word character
3308  * >2: multi-byte word character.
3309  */
3310     static int
3311 get_mouse_class(p)
3312     char_u	*p;
3313 {
3314     int		c;
3315 
3316 #ifdef FEAT_MBYTE
3317     if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3318 	return mb_get_class(p);
3319 #endif
3320 
3321     c = *p;
3322     if (c == ' ' || c == '\t')
3323 	return 0;
3324 
3325     if (vim_iswordc(c))
3326 	return 2;
3327 
3328     /*
3329      * There are a few special cases where we want certain combinations of
3330      * characters to be considered as a single word.  These are things like
3331      * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc.  Otherwise, each
3332      * character is in its own class.
3333      */
3334     if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3335 	return 1;
3336     return c;
3337 }
3338 #endif /* FEAT_VISUAL */
3339 #endif /* FEAT_MOUSE */
3340 
3341 #if defined(FEAT_VISUAL) || defined(PROTO)
3342 /*
3343  * Check if  highlighting for visual mode is possible, give a warning message
3344  * if not.
3345  */
3346     void
3347 check_visual_highlight()
3348 {
3349     static int	    did_check = FALSE;
3350 
3351     if (full_screen)
3352     {
3353 	if (!did_check && hl_attr(HLF_V) == 0)
3354 	    MSG(_("Warning: terminal cannot highlight"));
3355 	did_check = TRUE;
3356     }
3357 }
3358 
3359 /*
3360  * End Visual mode.
3361  * This function should ALWAYS be called to end Visual mode, except from
3362  * do_pending_operator().
3363  */
3364     void
3365 end_visual_mode()
3366 {
3367 #ifdef FEAT_CLIPBOARD
3368     /*
3369      * If we are using the clipboard, then remember what was selected in case
3370      * we need to paste it somewhere while we still own the selection.
3371      * Only do this when the clipboard is already owned.  Don't want to grab
3372      * the selection when hitting ESC.
3373      */
3374     if (clip_star.available && clip_star.owned)
3375 	clip_auto_select();
3376 #endif
3377 
3378     VIsual_active = FALSE;
3379 #ifdef FEAT_MOUSE
3380     setmouse();
3381     mouse_dragging = 0;
3382 #endif
3383 
3384     /* Save the current VIsual area for '< and '> marks, and "gv" */
3385     curbuf->b_visual.vi_mode = VIsual_mode;
3386     curbuf->b_visual.vi_start = VIsual;
3387     curbuf->b_visual.vi_end = curwin->w_cursor;
3388     curbuf->b_visual.vi_curswant = curwin->w_curswant;
3389 #ifdef FEAT_EVAL
3390     curbuf->b_visual_mode_eval = VIsual_mode;
3391 #endif
3392 #ifdef FEAT_VIRTUALEDIT
3393     if (!virtual_active())
3394 	curwin->w_cursor.coladd = 0;
3395 #endif
3396 
3397     if (mode_displayed)
3398 	clear_cmdline = TRUE;		/* unshow visual mode later */
3399 #ifdef FEAT_CMDL_INFO
3400     else
3401 	clear_showcmd();
3402 #endif
3403 
3404     adjust_cursor_eol();
3405 }
3406 
3407 /*
3408  * Reset VIsual_active and VIsual_reselect.
3409  */
3410     void
3411 reset_VIsual_and_resel()
3412 {
3413     if (VIsual_active)
3414     {
3415 	end_visual_mode();
3416 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3417     }
3418     VIsual_reselect = FALSE;
3419 }
3420 
3421 /*
3422  * Reset VIsual_active and VIsual_reselect if it's set.
3423  */
3424     void
3425 reset_VIsual()
3426 {
3427     if (VIsual_active)
3428     {
3429 	end_visual_mode();
3430 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3431 	VIsual_reselect = FALSE;
3432     }
3433 }
3434 #endif /* FEAT_VISUAL */
3435 
3436 #if defined(FEAT_BEVAL)
3437 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3438 
3439 /*
3440  * Check for a balloon-eval special item to include when searching for an
3441  * identifier.  When "dir" is BACKWARD "ptr[-1]" must be valid!
3442  * Returns TRUE if the character at "*ptr" should be included.
3443  * "dir" is FORWARD or BACKWARD, the direction of searching.
3444  * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3445  * "bnp" points to a counter for square brackets.
3446  */
3447     static int
3448 find_is_eval_item(ptr, colp, bnp, dir)
3449     char_u	*ptr;
3450     int		*colp;
3451     int		*bnp;
3452     int		dir;
3453 {
3454     /* Accept everything inside []. */
3455     if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3456 	++*bnp;
3457     if (*bnp > 0)
3458     {
3459 	if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3460 	    --*bnp;
3461 	return TRUE;
3462     }
3463 
3464     /* skip over "s.var" */
3465     if (*ptr == '.')
3466 	return TRUE;
3467 
3468     /* two-character item: s->var */
3469     if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3470 	    && ptr[dir == BACKWARD ? -1 : 0] == '-')
3471     {
3472 	*colp += dir;
3473 	return TRUE;
3474     }
3475     return FALSE;
3476 }
3477 #endif
3478 
3479 /*
3480  * Find the identifier under or to the right of the cursor.
3481  * "find_type" can have one of three values:
3482  * FIND_IDENT:   find an identifier (keyword)
3483  * FIND_STRING:  find any non-white string
3484  * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3485  * FIND_EVAL:	 find text useful for C program debugging
3486  *
3487  * There are three steps:
3488  * 1. Search forward for the start of an identifier/string.  Doesn't move if
3489  *    already on one.
3490  * 2. Search backward for the start of this identifier/string.
3491  *    This doesn't match the real Vi but I like it a little better and it
3492  *    shouldn't bother anyone.
3493  * 3. Search forward to the end of this identifier/string.
3494  *    When FIND_IDENT isn't defined, we backup until a blank.
3495  *
3496  * Returns the length of the string, or zero if no string is found.
3497  * If a string is found, a pointer to the string is put in "*string".  This
3498  * string is not always NUL terminated.
3499  */
3500     int
3501 find_ident_under_cursor(string, find_type)
3502     char_u	**string;
3503     int		find_type;
3504 {
3505     return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3506 				     curwin->w_cursor.col, string, find_type);
3507 }
3508 
3509 /*
3510  * Like find_ident_under_cursor(), but for any window and any position.
3511  * However: Uses 'iskeyword' from the current window!.
3512  */
3513     int
3514 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3515     win_T	*wp;
3516     linenr_T	lnum;
3517     colnr_T	startcol;
3518     char_u	**string;
3519     int		find_type;
3520 {
3521     char_u	*ptr;
3522     int		col = 0;	    /* init to shut up GCC */
3523     int		i;
3524 #ifdef FEAT_MBYTE
3525     int		this_class = 0;
3526     int		prev_class;
3527     int		prevcol;
3528 #endif
3529 #if defined(FEAT_BEVAL)
3530     int		bn = 0;	    /* bracket nesting */
3531 #endif
3532 
3533     /*
3534      * if i == 0: try to find an identifier
3535      * if i == 1: try to find any non-white string
3536      */
3537     ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3538     for (i = (find_type & FIND_IDENT) ? 0 : 1;	i < 2; ++i)
3539     {
3540 	/*
3541 	 * 1. skip to start of identifier/string
3542 	 */
3543 	col = startcol;
3544 #ifdef FEAT_MBYTE
3545 	if (has_mbyte)
3546 	{
3547 	    while (ptr[col] != NUL)
3548 	    {
3549 # if defined(FEAT_BEVAL)
3550 		/* Stop at a ']' to evaluate "a[x]". */
3551 		if ((find_type & FIND_EVAL) && ptr[col] == ']')
3552 		    break;
3553 # endif
3554 		this_class = mb_get_class(ptr + col);
3555 		if (this_class != 0 && (i == 1 || this_class != 1))
3556 		    break;
3557 		col += (*mb_ptr2len)(ptr + col);
3558 	    }
3559 	}
3560 	else
3561 #endif
3562 	    while (ptr[col] != NUL
3563 		    && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3564 # if defined(FEAT_BEVAL)
3565 		    && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3566 # endif
3567 		    )
3568 		++col;
3569 
3570 #if defined(FEAT_BEVAL)
3571 	/* When starting on a ']' count it, so that we include the '['. */
3572 	bn = ptr[col] == ']';
3573 #endif
3574 
3575 	/*
3576 	 * 2. Back up to start of identifier/string.
3577 	 */
3578 #ifdef FEAT_MBYTE
3579 	if (has_mbyte)
3580 	{
3581 	    /* Remember class of character under cursor. */
3582 # if defined(FEAT_BEVAL)
3583 	    if ((find_type & FIND_EVAL) && ptr[col] == ']')
3584 		this_class = mb_get_class((char_u *)"a");
3585 	    else
3586 # endif
3587 		this_class = mb_get_class(ptr + col);
3588 	    while (col > 0 && this_class != 0)
3589 	    {
3590 		prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3591 		prev_class = mb_get_class(ptr + prevcol);
3592 		if (this_class != prev_class
3593 			&& (i == 0
3594 			    || prev_class == 0
3595 			    || (find_type & FIND_IDENT))
3596 # if defined(FEAT_BEVAL)
3597 			&& (!(find_type & FIND_EVAL)
3598 			    || prevcol == 0
3599 			    || !find_is_eval_item(ptr + prevcol, &prevcol,
3600 							       &bn, BACKWARD))
3601 # endif
3602 			)
3603 		    break;
3604 		col = prevcol;
3605 	    }
3606 
3607 	    /* If we don't want just any old string, or we've found an
3608 	     * identifier, stop searching. */
3609 	    if (this_class > 2)
3610 		this_class = 2;
3611 	    if (!(find_type & FIND_STRING) || this_class == 2)
3612 		break;
3613 	}
3614 	else
3615 #endif
3616 	{
3617 	    while (col > 0
3618 		    && ((i == 0
3619 			    ? vim_iswordc(ptr[col - 1])
3620 			    : (!vim_iswhite(ptr[col - 1])
3621 				&& (!(find_type & FIND_IDENT)
3622 				    || !vim_iswordc(ptr[col - 1]))))
3623 #if defined(FEAT_BEVAL)
3624 			|| ((find_type & FIND_EVAL)
3625 			    && col > 1
3626 			    && find_is_eval_item(ptr + col - 1, &col,
3627 							       &bn, BACKWARD))
3628 #endif
3629 			))
3630 		--col;
3631 
3632 	    /* If we don't want just any old string, or we've found an
3633 	     * identifier, stop searching. */
3634 	    if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3635 		break;
3636 	}
3637     }
3638 
3639     if (ptr[col] == NUL || (i == 0 && (
3640 #ifdef FEAT_MBYTE
3641 		has_mbyte ? this_class != 2 :
3642 #endif
3643 		!vim_iswordc(ptr[col]))))
3644     {
3645 	/*
3646 	 * didn't find an identifier or string
3647 	 */
3648 	if (find_type & FIND_STRING)
3649 	    EMSG(_("E348: No string under cursor"));
3650 	else
3651 	    EMSG(_(e_noident));
3652 	return 0;
3653     }
3654     ptr += col;
3655     *string = ptr;
3656 
3657     /*
3658      * 3. Find the end if the identifier/string.
3659      */
3660 #if defined(FEAT_BEVAL)
3661     bn = 0;
3662     startcol -= col;
3663 #endif
3664     col = 0;
3665 #ifdef FEAT_MBYTE
3666     if (has_mbyte)
3667     {
3668 	/* Search for point of changing multibyte character class. */
3669 	this_class = mb_get_class(ptr);
3670 	while (ptr[col] != NUL
3671 		&& ((i == 0 ? mb_get_class(ptr + col) == this_class
3672 			    : mb_get_class(ptr + col) != 0)
3673 # if defined(FEAT_BEVAL)
3674 		    || ((find_type & FIND_EVAL)
3675 			&& col <= (int)startcol
3676 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3677 # endif
3678 		))
3679 	    col += (*mb_ptr2len)(ptr + col);
3680     }
3681     else
3682 #endif
3683 	while ((i == 0 ? vim_iswordc(ptr[col])
3684 		       : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3685 # if defined(FEAT_BEVAL)
3686 		    || ((find_type & FIND_EVAL)
3687 			&& col <= (int)startcol
3688 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3689 # endif
3690 		)
3691 	{
3692 	    ++col;
3693 	}
3694 
3695     return col;
3696 }
3697 
3698 /*
3699  * Prepare for redo of a normal command.
3700  */
3701     static void
3702 prep_redo_cmd(cap)
3703     cmdarg_T  *cap;
3704 {
3705     prep_redo(cap->oap->regname, cap->count0,
3706 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3707 }
3708 
3709 /*
3710  * Prepare for redo of any command.
3711  * Note that only the last argument can be a multi-byte char.
3712  */
3713     static void
3714 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3715     int	    regname;
3716     long    num;
3717     int	    cmd1;
3718     int	    cmd2;
3719     int	    cmd3;
3720     int	    cmd4;
3721     int	    cmd5;
3722 {
3723     ResetRedobuff();
3724     if (regname != 0)	/* yank from specified buffer */
3725     {
3726 	AppendCharToRedobuff('"');
3727 	AppendCharToRedobuff(regname);
3728     }
3729     if (num)
3730 	AppendNumberToRedobuff(num);
3731 
3732     if (cmd1 != NUL)
3733 	AppendCharToRedobuff(cmd1);
3734     if (cmd2 != NUL)
3735 	AppendCharToRedobuff(cmd2);
3736     if (cmd3 != NUL)
3737 	AppendCharToRedobuff(cmd3);
3738     if (cmd4 != NUL)
3739 	AppendCharToRedobuff(cmd4);
3740     if (cmd5 != NUL)
3741 	AppendCharToRedobuff(cmd5);
3742 }
3743 
3744 /*
3745  * check for operator active and clear it
3746  *
3747  * return TRUE if operator was active
3748  */
3749     static int
3750 checkclearop(oap)
3751     oparg_T	*oap;
3752 {
3753     if (oap->op_type == OP_NOP)
3754 	return FALSE;
3755     clearopbeep(oap);
3756     return TRUE;
3757 }
3758 
3759 /*
3760  * Check for operator or Visual active.  Clear active operator.
3761  *
3762  * Return TRUE if operator or Visual was active.
3763  */
3764     static int
3765 checkclearopq(oap)
3766     oparg_T	*oap;
3767 {
3768     if (oap->op_type == OP_NOP
3769 #ifdef FEAT_VISUAL
3770 	    && !VIsual_active
3771 #endif
3772 	    )
3773 	return FALSE;
3774     clearopbeep(oap);
3775     return TRUE;
3776 }
3777 
3778     static void
3779 clearop(oap)
3780     oparg_T	*oap;
3781 {
3782     oap->op_type = OP_NOP;
3783     oap->regname = 0;
3784     oap->motion_force = NUL;
3785     oap->use_reg_one = FALSE;
3786 }
3787 
3788     static void
3789 clearopbeep(oap)
3790     oparg_T	*oap;
3791 {
3792     clearop(oap);
3793     beep_flush();
3794 }
3795 
3796 #ifdef FEAT_VISUAL
3797 /*
3798  * Remove the shift modifier from a special key.
3799  */
3800     static void
3801 unshift_special(cap)
3802     cmdarg_T	*cap;
3803 {
3804     switch (cap->cmdchar)
3805     {
3806 	case K_S_RIGHT:	cap->cmdchar = K_RIGHT; break;
3807 	case K_S_LEFT:	cap->cmdchar = K_LEFT; break;
3808 	case K_S_UP:	cap->cmdchar = K_UP; break;
3809 	case K_S_DOWN:	cap->cmdchar = K_DOWN; break;
3810 	case K_S_HOME:	cap->cmdchar = K_HOME; break;
3811 	case K_S_END:	cap->cmdchar = K_END; break;
3812     }
3813     cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3814 }
3815 #endif
3816 
3817 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3818 /*
3819  * Routines for displaying a partly typed command
3820  */
3821 
3822 #ifdef FEAT_VISUAL	/* need room for size of Visual area */
3823 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3824 #else
3825 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3826 #endif
3827 static char_u	showcmd_buf[SHOWCMD_BUFLEN];
3828 static char_u	old_showcmd_buf[SHOWCMD_BUFLEN];  /* For push_showcmd() */
3829 static int	showcmd_is_clear = TRUE;
3830 static int	showcmd_visual = FALSE;
3831 
3832 static void display_showcmd __ARGS((void));
3833 
3834     void
3835 clear_showcmd()
3836 {
3837     if (!p_sc)
3838 	return;
3839 
3840 #ifdef FEAT_VISUAL
3841     if (VIsual_active && !char_avail())
3842     {
3843 	int		cursor_bot = lt(VIsual, curwin->w_cursor);
3844 	long		lines;
3845 	colnr_T		leftcol, rightcol;
3846 	linenr_T	top, bot;
3847 
3848 	/* Show the size of the Visual area. */
3849 	if (cursor_bot)
3850 	{
3851 	    top = VIsual.lnum;
3852 	    bot = curwin->w_cursor.lnum;
3853 	}
3854 	else
3855 	{
3856 	    top = curwin->w_cursor.lnum;
3857 	    bot = VIsual.lnum;
3858 	}
3859 # ifdef FEAT_FOLDING
3860 	/* Include closed folds as a whole. */
3861 	hasFolding(top, &top, NULL);
3862 	hasFolding(bot, NULL, &bot);
3863 # endif
3864 	lines = bot - top + 1;
3865 
3866 	if (VIsual_mode == Ctrl_V)
3867 	{
3868 # ifdef FEAT_LINEBREAK
3869 	    char_u *saved_sbr = p_sbr;
3870 
3871 	    /* Make 'sbr' empty for a moment to get the correct size. */
3872 	    p_sbr = empty_option;
3873 # endif
3874 	    getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3875 # ifdef FEAT_LINEBREAK
3876 	    p_sbr = saved_sbr;
3877 # endif
3878 	    sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3879 					      (long)(rightcol - leftcol + 1));
3880 	}
3881 	else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3882 	    sprintf((char *)showcmd_buf, "%ld", lines);
3883 	else
3884 	{
3885 	    char_u  *s, *e;
3886 	    int	    l;
3887 	    int	    bytes = 0;
3888 	    int	    chars = 0;
3889 
3890 	    if (cursor_bot)
3891 	    {
3892 		s = ml_get_pos(&VIsual);
3893 		e = ml_get_cursor();
3894 	    }
3895 	    else
3896 	    {
3897 		s = ml_get_cursor();
3898 		e = ml_get_pos(&VIsual);
3899 	    }
3900 	    while ((*p_sel != 'e') ? s <= e : s < e)
3901 	    {
3902 # ifdef FEAT_MBYTE
3903 		l = (*mb_ptr2len)(s);
3904 # else
3905 		l = (*s == NUL) ? 0 : 1;
3906 # endif
3907 		if (l == 0)
3908 		{
3909 		    ++bytes;
3910 		    ++chars;
3911 		    break;  /* end of line */
3912 		}
3913 		bytes += l;
3914 		++chars;
3915 		s += l;
3916 	    }
3917 	    if (bytes == chars)
3918 		sprintf((char *)showcmd_buf, "%d", chars);
3919 	    else
3920 		sprintf((char *)showcmd_buf, "%d-%d", chars, bytes);
3921 	}
3922 	showcmd_buf[SHOWCMD_COLS] = NUL;	/* truncate */
3923 	showcmd_visual = TRUE;
3924     }
3925     else
3926 #endif
3927     {
3928 	showcmd_buf[0] = NUL;
3929 	showcmd_visual = FALSE;
3930 
3931 	/* Don't actually display something if there is nothing to clear. */
3932 	if (showcmd_is_clear)
3933 	    return;
3934     }
3935 
3936     display_showcmd();
3937 }
3938 
3939 /*
3940  * Add 'c' to string of shown command chars.
3941  * Return TRUE if output has been written (and setcursor() has been called).
3942  */
3943     int
3944 add_to_showcmd(c)
3945     int		c;
3946 {
3947     char_u	*p;
3948     int		old_len;
3949     int		extra_len;
3950     int		overflow;
3951 #if defined(FEAT_MOUSE)
3952     int		i;
3953     static int	ignore[] =
3954     {
3955 # ifdef FEAT_GUI
3956 	K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3957 	K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3958 # endif
3959 	K_IGNORE,
3960 	K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3961 	K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3962 	K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3963 	K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT,
3964 	K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3965 	K_CURSORHOLD,
3966 	0
3967     };
3968 #endif
3969 
3970     if (!p_sc || msg_silent != 0)
3971 	return FALSE;
3972 
3973     if (showcmd_visual)
3974     {
3975 	showcmd_buf[0] = NUL;
3976 	showcmd_visual = FALSE;
3977     }
3978 
3979 #if defined(FEAT_MOUSE)
3980     /* Ignore keys that are scrollbar updates and mouse clicks */
3981     if (IS_SPECIAL(c))
3982 	for (i = 0; ignore[i] != 0; ++i)
3983 	    if (ignore[i] == c)
3984 		return FALSE;
3985 #endif
3986 
3987     p = transchar(c);
3988     old_len = (int)STRLEN(showcmd_buf);
3989     extra_len = (int)STRLEN(p);
3990     overflow = old_len + extra_len - SHOWCMD_COLS;
3991     if (overflow > 0)
3992 	mch_memmove(showcmd_buf, showcmd_buf + overflow,
3993 						      old_len - overflow + 1);
3994     STRCAT(showcmd_buf, p);
3995 
3996     if (char_avail())
3997 	return FALSE;
3998 
3999     display_showcmd();
4000 
4001     return TRUE;
4002 }
4003 
4004     void
4005 add_to_showcmd_c(c)
4006     int		c;
4007 {
4008     if (!add_to_showcmd(c))
4009 	setcursor();
4010 }
4011 
4012 /*
4013  * Delete 'len' characters from the end of the shown command.
4014  */
4015     static void
4016 del_from_showcmd(len)
4017     int	    len;
4018 {
4019     int	    old_len;
4020 
4021     if (!p_sc)
4022 	return;
4023 
4024     old_len = (int)STRLEN(showcmd_buf);
4025     if (len > old_len)
4026 	len = old_len;
4027     showcmd_buf[old_len - len] = NUL;
4028 
4029     if (!char_avail())
4030 	display_showcmd();
4031 }
4032 
4033 /*
4034  * push_showcmd() and pop_showcmd() are used when waiting for the user to type
4035  * something and there is a partial mapping.
4036  */
4037     void
4038 push_showcmd()
4039 {
4040     if (p_sc)
4041 	STRCPY(old_showcmd_buf, showcmd_buf);
4042 }
4043 
4044     void
4045 pop_showcmd()
4046 {
4047     if (!p_sc)
4048 	return;
4049 
4050     STRCPY(showcmd_buf, old_showcmd_buf);
4051 
4052     display_showcmd();
4053 }
4054 
4055     static void
4056 display_showcmd()
4057 {
4058     int	    len;
4059 
4060     cursor_off();
4061 
4062     len = (int)STRLEN(showcmd_buf);
4063     if (len == 0)
4064 	showcmd_is_clear = TRUE;
4065     else
4066     {
4067 	screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
4068 	showcmd_is_clear = FALSE;
4069     }
4070 
4071     /*
4072      * clear the rest of an old message by outputting up to SHOWCMD_COLS
4073      * spaces
4074      */
4075     screen_puts((char_u *)"          " + len, (int)Rows - 1, sc_col + len, 0);
4076 
4077     setcursor();	    /* put cursor back where it belongs */
4078 }
4079 #endif
4080 
4081 #ifdef FEAT_SCROLLBIND
4082 /*
4083  * When "check" is FALSE, prepare for commands that scroll the window.
4084  * When "check" is TRUE, take care of scroll-binding after the window has
4085  * scrolled.  Called from normal_cmd() and edit().
4086  */
4087     void
4088 do_check_scrollbind(check)
4089     int		check;
4090 {
4091     static win_T	*old_curwin = NULL;
4092     static linenr_T	old_topline = 0;
4093 #ifdef FEAT_DIFF
4094     static int		old_topfill = 0;
4095 #endif
4096     static buf_T	*old_buf = NULL;
4097     static colnr_T	old_leftcol = 0;
4098 
4099     if (check && curwin->w_p_scb)
4100     {
4101 	/* If a ":syncbind" command was just used, don't scroll, only reset
4102 	 * the values. */
4103 	if (did_syncbind)
4104 	    did_syncbind = FALSE;
4105 	else if (curwin == old_curwin)
4106 	{
4107 	    /*
4108 	     * Synchronize other windows, as necessary according to
4109 	     * 'scrollbind'.  Don't do this after an ":edit" command, except
4110 	     * when 'diff' is set.
4111 	     */
4112 	    if ((curwin->w_buffer == old_buf
4113 #ifdef FEAT_DIFF
4114 			|| curwin->w_p_diff
4115 #endif
4116 		)
4117 		&& (curwin->w_topline != old_topline
4118 #ifdef FEAT_DIFF
4119 			|| curwin->w_topfill != old_topfill
4120 #endif
4121 			|| curwin->w_leftcol != old_leftcol))
4122 	    {
4123 		check_scrollbind(curwin->w_topline - old_topline,
4124 			(long)(curwin->w_leftcol - old_leftcol));
4125 	    }
4126 	}
4127 	else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
4128 	{
4129 	    /*
4130 	     * When switching between windows, make sure that the relative
4131 	     * vertical offset is valid for the new window.  The relative
4132 	     * offset is invalid whenever another 'scrollbind' window has
4133 	     * scrolled to a point that would force the current window to
4134 	     * scroll past the beginning or end of its buffer.  When the
4135 	     * resync is performed, some of the other 'scrollbind' windows may
4136 	     * need to jump so that the current window's relative position is
4137 	     * visible on-screen.
4138 	     */
4139 	    check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
4140 	}
4141 	curwin->w_scbind_pos = curwin->w_topline;
4142     }
4143 
4144     old_curwin = curwin;
4145     old_topline = curwin->w_topline;
4146 #ifdef FEAT_DIFF
4147     old_topfill = curwin->w_topfill;
4148 #endif
4149     old_buf = curwin->w_buffer;
4150     old_leftcol = curwin->w_leftcol;
4151 }
4152 
4153 /*
4154  * Synchronize any windows that have "scrollbind" set, based on the
4155  * number of rows by which the current window has changed
4156  * (1998-11-02 16:21:01  R. Edward Ralston <[email protected]>)
4157  */
4158     void
4159 check_scrollbind(topline_diff, leftcol_diff)
4160     linenr_T	topline_diff;
4161     long	leftcol_diff;
4162 {
4163     int		want_ver;
4164     int		want_hor;
4165     win_T	*old_curwin = curwin;
4166     buf_T	*old_curbuf = curbuf;
4167 #ifdef FEAT_VISUAL
4168     int		old_VIsual_select = VIsual_select;
4169     int		old_VIsual_active = VIsual_active;
4170 #endif
4171     colnr_T	tgt_leftcol = curwin->w_leftcol;
4172     long	topline;
4173     long	y;
4174 
4175     /*
4176      * check 'scrollopt' string for vertical and horizontal scroll options
4177      */
4178     want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
4179 #ifdef FEAT_DIFF
4180     want_ver |= old_curwin->w_p_diff;
4181 #endif
4182     want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
4183 
4184     /*
4185      * loop through the scrollbound windows and scroll accordingly
4186      */
4187 #ifdef FEAT_VISUAL
4188     VIsual_select = VIsual_active = 0;
4189 #endif
4190     for (curwin = firstwin; curwin; curwin = curwin->w_next)
4191     {
4192 	curbuf = curwin->w_buffer;
4193 	/* skip original window  and windows with 'noscrollbind' */
4194 	if (curwin != old_curwin && curwin->w_p_scb)
4195 	{
4196 	    /*
4197 	     * do the vertical scroll
4198 	     */
4199 	    if (want_ver)
4200 	    {
4201 #ifdef FEAT_DIFF
4202 		if (old_curwin->w_p_diff && curwin->w_p_diff)
4203 		{
4204 		    diff_set_topline(old_curwin, curwin);
4205 		}
4206 		else
4207 #endif
4208 		{
4209 		    curwin->w_scbind_pos += topline_diff;
4210 		    topline = curwin->w_scbind_pos;
4211 		    if (topline > curbuf->b_ml.ml_line_count)
4212 			topline = curbuf->b_ml.ml_line_count;
4213 		    if (topline < 1)
4214 			topline = 1;
4215 
4216 		    y = topline - curwin->w_topline;
4217 		    if (y > 0)
4218 			scrollup(y, FALSE);
4219 		    else
4220 			scrolldown(-y, FALSE);
4221 		}
4222 
4223 		redraw_later(VALID);
4224 		cursor_correct();
4225 #ifdef FEAT_WINDOWS
4226 		curwin->w_redr_status = TRUE;
4227 #endif
4228 	    }
4229 
4230 	    /*
4231 	     * do the horizontal scroll
4232 	     */
4233 	    if (want_hor && curwin->w_leftcol != tgt_leftcol)
4234 	    {
4235 		curwin->w_leftcol = tgt_leftcol;
4236 		leftcol_changed();
4237 	    }
4238 	}
4239     }
4240 
4241     /*
4242      * reset current-window
4243      */
4244 #ifdef FEAT_VISUAL
4245     VIsual_select = old_VIsual_select;
4246     VIsual_active = old_VIsual_active;
4247 #endif
4248     curwin = old_curwin;
4249     curbuf = old_curbuf;
4250 }
4251 #endif /* #ifdef FEAT_SCROLLBIND */
4252 
4253 /*
4254  * Command character that's ignored.
4255  * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4256  * xon/xoff.
4257  */
4258     static void
4259 nv_ignore(cap)
4260     cmdarg_T	*cap;
4261 {
4262     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
4263 }
4264 
4265 /*
4266  * Command character that doesn't do anything, but unlike nv_ignore() does
4267  * start edit().  Used for "startinsert" executed while starting up.
4268  */
4269     static void
4270 nv_nop(cap)
4271     cmdarg_T	*cap UNUSED;
4272 {
4273 }
4274 
4275 /*
4276  * Command character doesn't exist.
4277  */
4278     static void
4279 nv_error(cap)
4280     cmdarg_T	*cap;
4281 {
4282     clearopbeep(cap->oap);
4283 }
4284 
4285 /*
4286  * <Help> and <F1> commands.
4287  */
4288     static void
4289 nv_help(cap)
4290     cmdarg_T	*cap;
4291 {
4292     if (!checkclearopq(cap->oap))
4293 	ex_help(NULL);
4294 }
4295 
4296 /*
4297  * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4298  */
4299     static void
4300 nv_addsub(cap)
4301     cmdarg_T	*cap;
4302 {
4303     if (!checkclearopq(cap->oap)
4304 	    && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4305 	prep_redo_cmd(cap);
4306 }
4307 
4308 /*
4309  * CTRL-F, CTRL-B, etc: Scroll page up or down.
4310  */
4311     static void
4312 nv_page(cap)
4313     cmdarg_T	*cap;
4314 {
4315     if (!checkclearop(cap->oap))
4316     {
4317 #ifdef FEAT_WINDOWS
4318 	if (mod_mask & MOD_MASK_CTRL)
4319 	{
4320 	    /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4321 	    if (cap->arg == BACKWARD)
4322 		goto_tabpage(-(int)cap->count1);
4323 	    else
4324 		goto_tabpage((int)cap->count0);
4325 	}
4326 	else
4327 #endif
4328 	(void)onepage(cap->arg, cap->count1);
4329     }
4330 }
4331 
4332 /*
4333  * Implementation of "gd" and "gD" command.
4334  */
4335     static void
4336 nv_gd(oap, nchar, thisblock)
4337     oparg_T	*oap;
4338     int		nchar;
4339     int		thisblock;	/* 1 for "1gd" and "1gD" */
4340 {
4341     int		len;
4342     char_u	*ptr;
4343 
4344     if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4345 	    || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4346 	clearopbeep(oap);
4347 #ifdef FEAT_FOLDING
4348     else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4349 	foldOpenCursor();
4350 #endif
4351 }
4352 
4353 /*
4354  * Search for variable declaration of "ptr[len]".
4355  * When "locally" is TRUE in the current function ("gd"), otherwise in the
4356  * current file ("gD").
4357  * When "thisblock" is TRUE check the {} block scope.
4358  * Return FAIL when not found.
4359  */
4360     int
4361 find_decl(ptr, len, locally, thisblock, searchflags)
4362     char_u	*ptr;
4363     int		len;
4364     int		locally;
4365     int		thisblock;
4366     int		searchflags;	/* flags passed to searchit() */
4367 {
4368     char_u	*pat;
4369     pos_T	old_pos;
4370     pos_T	par_pos;
4371     pos_T	found_pos;
4372     int		t;
4373     int		save_p_ws;
4374     int		save_p_scs;
4375     int		retval = OK;
4376     int		incll;
4377 
4378     if ((pat = alloc(len + 7)) == NULL)
4379 	return FAIL;
4380 
4381     /* Put "\V" before the pattern to avoid that the special meaning of "."
4382      * and "~" causes trouble. */
4383     sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4384 								    len, ptr);
4385     old_pos = curwin->w_cursor;
4386     save_p_ws = p_ws;
4387     save_p_scs = p_scs;
4388     p_ws = FALSE;	/* don't wrap around end of file now */
4389     p_scs = FALSE;	/* don't switch ignorecase off now */
4390 
4391     /*
4392      * With "gD" go to line 1.
4393      * With "gd" Search back for the start of the current function, then go
4394      * back until a blank line.  If this fails go to line 1.
4395      */
4396     if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4397     {
4398 	setpcmark();			/* Set in findpar() otherwise */
4399 	curwin->w_cursor.lnum = 1;
4400 	par_pos = curwin->w_cursor;
4401     }
4402     else
4403     {
4404 	par_pos = curwin->w_cursor;
4405 	while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4406 	    --curwin->w_cursor.lnum;
4407     }
4408     curwin->w_cursor.col = 0;
4409 
4410     /* Search forward for the identifier, ignore comment lines. */
4411     clearpos(&found_pos);
4412     for (;;)
4413     {
4414 	t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4415 			    pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
4416 	if (curwin->w_cursor.lnum >= old_pos.lnum)
4417 	    t = FAIL;	/* match after start is failure too */
4418 
4419 	if (thisblock && t != FAIL)
4420 	{
4421 	    pos_T	*pos;
4422 
4423 	    /* Check that the block the match is in doesn't end before the
4424 	     * position where we started the search from. */
4425 	    if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4426 		     (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4427 		    && pos->lnum < old_pos.lnum)
4428 		continue;
4429 	}
4430 
4431 	if (t == FAIL)
4432 	{
4433 	    /* If we previously found a valid position, use it. */
4434 	    if (found_pos.lnum != 0)
4435 	    {
4436 		curwin->w_cursor = found_pos;
4437 		t = OK;
4438 	    }
4439 	    break;
4440 	}
4441 #ifdef FEAT_COMMENTS
4442 	if (get_leader_len(ml_get_curline(), NULL, FALSE, TRUE) > 0)
4443 	{
4444 	    /* Ignore this line, continue at start of next line. */
4445 	    ++curwin->w_cursor.lnum;
4446 	    curwin->w_cursor.col = 0;
4447 	    continue;
4448 	}
4449 #endif
4450 	if (!locally)	/* global search: use first match found */
4451 	    break;
4452 	if (curwin->w_cursor.lnum >= par_pos.lnum)
4453 	{
4454 	    /* If we previously found a valid position, use it. */
4455 	    if (found_pos.lnum != 0)
4456 		curwin->w_cursor = found_pos;
4457 	    break;
4458 	}
4459 
4460 	/* For finding a local variable and the match is before the "{" search
4461 	 * to find a later match.  For K&R style function declarations this
4462 	 * skips the function header without types. */
4463 	found_pos = curwin->w_cursor;
4464     }
4465 
4466     if (t == FAIL)
4467     {
4468 	retval = FAIL;
4469 	curwin->w_cursor = old_pos;
4470     }
4471     else
4472     {
4473 	curwin->w_set_curswant = TRUE;
4474 	/* "n" searches forward now */
4475 	reset_search_dir();
4476     }
4477 
4478     vim_free(pat);
4479     p_ws = save_p_ws;
4480     p_scs = save_p_scs;
4481 
4482     return retval;
4483 }
4484 
4485 /*
4486  * Move 'dist' lines in direction 'dir', counting lines by *screen*
4487  * lines rather than lines in the file.
4488  * 'dist' must be positive.
4489  *
4490  * Return OK if able to move cursor, FAIL otherwise.
4491  */
4492     static int
4493 nv_screengo(oap, dir, dist)
4494     oparg_T	*oap;
4495     int		dir;
4496     long	dist;
4497 {
4498     int		linelen = linetabsize(ml_get_curline());
4499     int		retval = OK;
4500     int		atend = FALSE;
4501     int		n;
4502     int		col_off1;	/* margin offset for first screen line */
4503     int		col_off2;	/* margin offset for wrapped screen line */
4504     int		width1;		/* text width for first screen line */
4505     int		width2;		/* test width for wrapped screen line */
4506 
4507     oap->motion_type = MCHAR;
4508     oap->inclusive = FALSE;
4509 
4510     col_off1 = curwin_col_off();
4511     col_off2 = col_off1 - curwin_col_off2();
4512     width1 = W_WIDTH(curwin) - col_off1;
4513     width2 = W_WIDTH(curwin) - col_off2;
4514 
4515 #ifdef FEAT_VERTSPLIT
4516     if (curwin->w_width != 0)
4517     {
4518 #endif
4519       /*
4520        * Instead of sticking at the last character of the buffer line we
4521        * try to stick in the last column of the screen.
4522        */
4523       if (curwin->w_curswant == MAXCOL)
4524       {
4525 	atend = TRUE;
4526 	validate_virtcol();
4527 	if (width1 <= 0)
4528 	    curwin->w_curswant = 0;
4529 	else
4530 	{
4531 	    curwin->w_curswant = width1 - 1;
4532 	    if (curwin->w_virtcol > curwin->w_curswant)
4533 		curwin->w_curswant += ((curwin->w_virtcol
4534 			     - curwin->w_curswant - 1) / width2 + 1) * width2;
4535 	}
4536       }
4537       else
4538       {
4539 	if (linelen > width1)
4540 	    n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4541 	else
4542 	    n = width1;
4543 	if (curwin->w_curswant > (colnr_T)n + 1)
4544 	    curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4545 								     * width2;
4546       }
4547 
4548       while (dist--)
4549       {
4550 	if (dir == BACKWARD)
4551 	{
4552 	    if ((long)curwin->w_curswant >= width2)
4553 		/* move back within line */
4554 		curwin->w_curswant -= width2;
4555 	    else
4556 	    {
4557 		/* to previous line */
4558 		if (curwin->w_cursor.lnum == 1)
4559 		{
4560 		    retval = FAIL;
4561 		    break;
4562 		}
4563 		--curwin->w_cursor.lnum;
4564 #ifdef FEAT_FOLDING
4565 		/* Move to the start of a closed fold.  Don't do that when
4566 		 * 'foldopen' contains "all": it will open in a moment. */
4567 		if (!(fdo_flags & FDO_ALL))
4568 		    (void)hasFolding(curwin->w_cursor.lnum,
4569 						&curwin->w_cursor.lnum, NULL);
4570 #endif
4571 		linelen = linetabsize(ml_get_curline());
4572 		if (linelen > width1)
4573 		    curwin->w_curswant += (((linelen - width1 - 1) / width2)
4574 								+ 1) * width2;
4575 	    }
4576 	}
4577 	else /* dir == FORWARD */
4578 	{
4579 	    if (linelen > width1)
4580 		n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4581 	    else
4582 		n = width1;
4583 	    if (curwin->w_curswant + width2 < (colnr_T)n)
4584 		/* move forward within line */
4585 		curwin->w_curswant += width2;
4586 	    else
4587 	    {
4588 		/* to next line */
4589 #ifdef FEAT_FOLDING
4590 		/* Move to the end of a closed fold. */
4591 		(void)hasFolding(curwin->w_cursor.lnum, NULL,
4592 						      &curwin->w_cursor.lnum);
4593 #endif
4594 		if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4595 		{
4596 		    retval = FAIL;
4597 		    break;
4598 		}
4599 		curwin->w_cursor.lnum++;
4600 		curwin->w_curswant %= width2;
4601 		linelen = linetabsize(ml_get_curline());
4602 	    }
4603 	}
4604       }
4605 #ifdef FEAT_VERTSPLIT
4606     }
4607 #endif
4608 
4609     coladvance(curwin->w_curswant);
4610 
4611 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4612     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4613     {
4614 	/*
4615 	 * Check for landing on a character that got split at the end of the
4616 	 * last line.  We want to advance a screenline, not end up in the same
4617 	 * screenline or move two screenlines.
4618 	 */
4619 	validate_virtcol();
4620 	if (curwin->w_virtcol > curwin->w_curswant
4621 		&& (curwin->w_curswant < (colnr_T)width1
4622 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)
4623 		    : ((curwin->w_curswant - width1) % width2
4624 						      > (colnr_T)width2 / 2)))
4625 	    --curwin->w_cursor.col;
4626     }
4627 #endif
4628 
4629     if (atend)
4630 	curwin->w_curswant = MAXCOL;	    /* stick in the last column */
4631 
4632     return retval;
4633 }
4634 
4635 #ifdef FEAT_MOUSE
4636 /*
4637  * Mouse scroll wheel: Default action is to scroll three lines, or one page
4638  * when Shift or Ctrl is used.
4639  * K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or
4640  * K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2)
4641  */
4642     static void
4643 nv_mousescroll(cap)
4644     cmdarg_T	*cap;
4645 {
4646 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4647     win_T *old_curwin = curwin;
4648 
4649     /* Currently we only get the mouse coordinates in the GUI. */
4650     if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4651     {
4652 	int row, col;
4653 
4654 	row = mouse_row;
4655 	col = mouse_col;
4656 
4657 	/* find the window at the pointer coordinates */
4658 	curwin = mouse_find_win(&row, &col);
4659 	curbuf = curwin->w_buffer;
4660     }
4661 # endif
4662 
4663     if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
4664     {
4665 	if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4666 	{
4667 	    (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4668 	}
4669 	else
4670 	{
4671 	    cap->count1 = 3;
4672 	    cap->count0 = 3;
4673 	    nv_scroll_line(cap);
4674 	}
4675     }
4676 # ifdef FEAT_GUI
4677     else
4678     {
4679 	/* Horizontal scroll - only allowed when 'wrap' is disabled */
4680 	if (!curwin->w_p_wrap)
4681 	{
4682 	    int val, step = 6;
4683 
4684 	    if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4685 		step = W_WIDTH(curwin);
4686 	    val = curwin->w_leftcol + (cap->arg == MSCR_RIGHT ? -step : +step);
4687 	    if (val < 0)
4688 		val = 0;
4689 
4690 	    gui_do_horiz_scroll(val, TRUE);
4691 	}
4692     }
4693 # endif
4694 
4695 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4696     curwin->w_redr_status = TRUE;
4697 
4698     curwin = old_curwin;
4699     curbuf = curwin->w_buffer;
4700 # endif
4701 }
4702 
4703 /*
4704  * Mouse clicks and drags.
4705  */
4706     static void
4707 nv_mouse(cap)
4708     cmdarg_T	*cap;
4709 {
4710     (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4711 }
4712 #endif
4713 
4714 /*
4715  * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4716  * cap->arg must be TRUE for CTRL-E.
4717  */
4718     static void
4719 nv_scroll_line(cap)
4720     cmdarg_T	*cap;
4721 {
4722     if (!checkclearop(cap->oap))
4723 	scroll_redraw(cap->arg, cap->count1);
4724 }
4725 
4726 /*
4727  * Scroll "count" lines up or down, and redraw.
4728  */
4729     void
4730 scroll_redraw(up, count)
4731     int		up;
4732     long	count;
4733 {
4734     linenr_T	prev_topline = curwin->w_topline;
4735 #ifdef FEAT_DIFF
4736     int		prev_topfill = curwin->w_topfill;
4737 #endif
4738     linenr_T	prev_lnum = curwin->w_cursor.lnum;
4739 
4740     if (up)
4741 	scrollup(count, TRUE);
4742     else
4743 	scrolldown(count, TRUE);
4744     if (p_so)
4745     {
4746 	/* Adjust the cursor position for 'scrolloff'.  Mark w_topline as
4747 	 * valid, otherwise the screen jumps back at the end of the file. */
4748 	cursor_correct();
4749 	check_cursor_moved(curwin);
4750 	curwin->w_valid |= VALID_TOPLINE;
4751 
4752 	/* If moved back to where we were, at least move the cursor, otherwise
4753 	 * we get stuck at one position.  Don't move the cursor up if the
4754 	 * first line of the buffer is already on the screen */
4755 	while (curwin->w_topline == prev_topline
4756 #ifdef FEAT_DIFF
4757 		&& curwin->w_topfill == prev_topfill
4758 #endif
4759 		)
4760 	{
4761 	    if (up)
4762 	    {
4763 		if (curwin->w_cursor.lnum > prev_lnum
4764 			|| cursor_down(1L, FALSE) == FAIL)
4765 		    break;
4766 	    }
4767 	    else
4768 	    {
4769 		if (curwin->w_cursor.lnum < prev_lnum
4770 			|| prev_topline == 1L
4771 			|| cursor_up(1L, FALSE) == FAIL)
4772 		    break;
4773 	    }
4774 	    /* Mark w_topline as valid, otherwise the screen jumps back at the
4775 	     * end of the file. */
4776 	    check_cursor_moved(curwin);
4777 	    curwin->w_valid |= VALID_TOPLINE;
4778 	}
4779     }
4780     if (curwin->w_cursor.lnum != prev_lnum)
4781 	coladvance(curwin->w_curswant);
4782     redraw_later(VALID);
4783 }
4784 
4785 /*
4786  * Commands that start with "z".
4787  */
4788     static void
4789 nv_zet(cap)
4790     cmdarg_T  *cap;
4791 {
4792     long	n;
4793     colnr_T	col;
4794     int		nchar = cap->nchar;
4795 #ifdef FEAT_FOLDING
4796     long	old_fdl = curwin->w_p_fdl;
4797     int		old_fen = curwin->w_p_fen;
4798 #endif
4799 #ifdef FEAT_SPELL
4800     int		undo = FALSE;
4801 #endif
4802 
4803     if (VIM_ISDIGIT(nchar))
4804     {
4805 	/*
4806 	 * "z123{nchar}": edit the count before obtaining {nchar}
4807 	 */
4808 	if (checkclearop(cap->oap))
4809 	    return;
4810 	n = nchar - '0';
4811 	for (;;)
4812 	{
4813 #ifdef USE_ON_FLY_SCROLL
4814 	    dont_scroll = TRUE;		/* disallow scrolling here */
4815 #endif
4816 	    ++no_mapping;
4817 	    ++allow_keys;   /* no mapping for nchar, but allow key codes */
4818 	    nchar = plain_vgetc();
4819 	    LANGMAP_ADJUST(nchar, TRUE);
4820 	    --no_mapping;
4821 	    --allow_keys;
4822 #ifdef FEAT_CMDL_INFO
4823 	    (void)add_to_showcmd(nchar);
4824 #endif
4825 	    if (nchar == K_DEL || nchar == K_KDEL)
4826 		n /= 10;
4827 	    else if (VIM_ISDIGIT(nchar))
4828 		n = n * 10 + (nchar - '0');
4829 	    else if (nchar == CAR)
4830 	    {
4831 #ifdef FEAT_GUI
4832 		need_mouse_correct = TRUE;
4833 #endif
4834 		win_setheight((int)n);
4835 		break;
4836 	    }
4837 	    else if (nchar == 'l'
4838 		    || nchar == 'h'
4839 		    || nchar == K_LEFT
4840 		    || nchar == K_RIGHT)
4841 	    {
4842 		cap->count1 = n ? n * cap->count1 : cap->count1;
4843 		goto dozet;
4844 	    }
4845 	    else
4846 	    {
4847 		clearopbeep(cap->oap);
4848 		break;
4849 	    }
4850 	}
4851 	cap->oap->op_type = OP_NOP;
4852 	return;
4853     }
4854 
4855 dozet:
4856     if (
4857 #ifdef FEAT_FOLDING
4858 	    /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4859 	     * and "zC" only in Visual mode.  "zj" and "zk" are motion
4860 	     * commands. */
4861 	    cap->nchar != 'f' && cap->nchar != 'F'
4862 	    && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4863 	    && cap->nchar != 'j' && cap->nchar != 'k'
4864 	    &&
4865 #endif
4866 	    checkclearop(cap->oap))
4867 	return;
4868 
4869     /*
4870      * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4871      * If line number given, set cursor.
4872      */
4873     if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4874 	    && cap->count0
4875 	    && cap->count0 != curwin->w_cursor.lnum)
4876     {
4877 	setpcmark();
4878 	if (cap->count0 > curbuf->b_ml.ml_line_count)
4879 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4880 	else
4881 	    curwin->w_cursor.lnum = cap->count0;
4882 	check_cursor_col();
4883     }
4884 
4885     switch (nchar)
4886     {
4887 		/* "z+", "z<CR>" and "zt": put cursor at top of screen */
4888     case '+':
4889 		if (cap->count0 == 0)
4890 		{
4891 		    /* No count given: put cursor at the line below screen */
4892 		    validate_botline();	/* make sure w_botline is valid */
4893 		    if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4894 			curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4895 		    else
4896 			curwin->w_cursor.lnum = curwin->w_botline;
4897 		}
4898 		/* FALLTHROUGH */
4899     case NL:
4900     case CAR:
4901     case K_KENTER:
4902 		beginline(BL_WHITE | BL_FIX);
4903 		/* FALLTHROUGH */
4904 
4905     case 't':	scroll_cursor_top(0, TRUE);
4906 		redraw_later(VALID);
4907 		break;
4908 
4909 		/* "z." and "zz": put cursor in middle of screen */
4910     case '.':	beginline(BL_WHITE | BL_FIX);
4911 		/* FALLTHROUGH */
4912 
4913     case 'z':	scroll_cursor_halfway(TRUE);
4914 		redraw_later(VALID);
4915 		break;
4916 
4917 		/* "z^", "z-" and "zb": put cursor at bottom of screen */
4918     case '^':	/* Strange Vi behavior: <count>z^ finds line at top of window
4919 		 * when <count> is at bottom of window, and puts that one at
4920 		 * bottom of window. */
4921 		if (cap->count0 != 0)
4922 		{
4923 		    scroll_cursor_bot(0, TRUE);
4924 		    curwin->w_cursor.lnum = curwin->w_topline;
4925 		}
4926 		else if (curwin->w_topline == 1)
4927 		    curwin->w_cursor.lnum = 1;
4928 		else
4929 		    curwin->w_cursor.lnum = curwin->w_topline - 1;
4930 		/* FALLTHROUGH */
4931     case '-':
4932 		beginline(BL_WHITE | BL_FIX);
4933 		/* FALLTHROUGH */
4934 
4935     case 'b':	scroll_cursor_bot(0, TRUE);
4936 		redraw_later(VALID);
4937 		break;
4938 
4939 		/* "zH" - scroll screen right half-page */
4940     case 'H':
4941 		cap->count1 *= W_WIDTH(curwin) / 2;
4942 		/* FALLTHROUGH */
4943 
4944 		/* "zh" - scroll screen to the right */
4945     case 'h':
4946     case K_LEFT:
4947 		if (!curwin->w_p_wrap)
4948 		{
4949 		    if ((colnr_T)cap->count1 > curwin->w_leftcol)
4950 			curwin->w_leftcol = 0;
4951 		    else
4952 			curwin->w_leftcol -= (colnr_T)cap->count1;
4953 		    leftcol_changed();
4954 		}
4955 		break;
4956 
4957 		/* "zL" - scroll screen left half-page */
4958     case 'L':	cap->count1 *= W_WIDTH(curwin) / 2;
4959 		/* FALLTHROUGH */
4960 
4961 		/* "zl" - scroll screen to the left */
4962     case 'l':
4963     case K_RIGHT:
4964 		if (!curwin->w_p_wrap)
4965 		{
4966 		    /* scroll the window left */
4967 		    curwin->w_leftcol += (colnr_T)cap->count1;
4968 		    leftcol_changed();
4969 		}
4970 		break;
4971 
4972 		/* "zs" - scroll screen, cursor at the start */
4973     case 's':	if (!curwin->w_p_wrap)
4974 		{
4975 #ifdef FEAT_FOLDING
4976 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4977 			col = 0;	/* like the cursor is in col 0 */
4978 		    else
4979 #endif
4980 		    getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4981 		    if ((long)col > p_siso)
4982 			col -= p_siso;
4983 		    else
4984 			col = 0;
4985 		    if (curwin->w_leftcol != col)
4986 		    {
4987 			curwin->w_leftcol = col;
4988 			redraw_later(NOT_VALID);
4989 		    }
4990 		}
4991 		break;
4992 
4993 		/* "ze" - scroll screen, cursor at the end */
4994     case 'e':	if (!curwin->w_p_wrap)
4995 		{
4996 #ifdef FEAT_FOLDING
4997 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4998 			col = 0;	/* like the cursor is in col 0 */
4999 		    else
5000 #endif
5001 		    getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
5002 		    n = W_WIDTH(curwin) - curwin_col_off();
5003 		    if ((long)col + p_siso < n)
5004 			col = 0;
5005 		    else
5006 			col = col + p_siso - n + 1;
5007 		    if (curwin->w_leftcol != col)
5008 		    {
5009 			curwin->w_leftcol = col;
5010 			redraw_later(NOT_VALID);
5011 		    }
5012 		}
5013 		break;
5014 
5015 #ifdef FEAT_FOLDING
5016 		/* "zF": create fold command */
5017 		/* "zf": create fold operator */
5018     case 'F':
5019     case 'f':   if (foldManualAllowed(TRUE))
5020 		{
5021 		    cap->nchar = 'f';
5022 		    nv_operator(cap);
5023 		    curwin->w_p_fen = TRUE;
5024 
5025 		    /* "zF" is like "zfzf" */
5026 		    if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
5027 		    {
5028 			nv_operator(cap);
5029 			finish_op = TRUE;
5030 		    }
5031 		}
5032 		else
5033 		    clearopbeep(cap->oap);
5034 		break;
5035 
5036 		/* "zd": delete fold at cursor */
5037 		/* "zD": delete fold at cursor recursively */
5038     case 'd':
5039     case 'D':	if (foldManualAllowed(FALSE))
5040 		{
5041 		    if (VIsual_active)
5042 			nv_operator(cap);
5043 		    else
5044 			deleteFold(curwin->w_cursor.lnum,
5045 				  curwin->w_cursor.lnum, nchar == 'D', FALSE);
5046 		}
5047 		break;
5048 
5049 		/* "zE": erease all folds */
5050     case 'E':	if (foldmethodIsManual(curwin))
5051 		{
5052 		    clearFolding(curwin);
5053 		    changed_window_setting();
5054 		}
5055 		else if (foldmethodIsMarker(curwin))
5056 		    deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
5057 								 TRUE, FALSE);
5058 		else
5059 		    EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
5060 		break;
5061 
5062 		/* "zn": fold none: reset 'foldenable' */
5063     case 'n':	curwin->w_p_fen = FALSE;
5064 		break;
5065 
5066 		/* "zN": fold Normal: set 'foldenable' */
5067     case 'N':	curwin->w_p_fen = TRUE;
5068 		break;
5069 
5070 		/* "zi": invert folding: toggle 'foldenable' */
5071     case 'i':	curwin->w_p_fen = !curwin->w_p_fen;
5072 		break;
5073 
5074 		/* "za": open closed fold or close open fold at cursor */
5075     case 'a':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
5076 		    openFold(curwin->w_cursor.lnum, cap->count1);
5077 		else
5078 		{
5079 		    closeFold(curwin->w_cursor.lnum, cap->count1);
5080 		    curwin->w_p_fen = TRUE;
5081 		}
5082 		break;
5083 
5084 		/* "zA": open fold at cursor recursively */
5085     case 'A':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
5086 		    openFoldRecurse(curwin->w_cursor.lnum);
5087 		else
5088 		{
5089 		    closeFoldRecurse(curwin->w_cursor.lnum);
5090 		    curwin->w_p_fen = TRUE;
5091 		}
5092 		break;
5093 
5094 		/* "zo": open fold at cursor or Visual area */
5095     case 'o':	if (VIsual_active)
5096 		    nv_operator(cap);
5097 		else
5098 		    openFold(curwin->w_cursor.lnum, cap->count1);
5099 		break;
5100 
5101 		/* "zO": open fold recursively */
5102     case 'O':	if (VIsual_active)
5103 		    nv_operator(cap);
5104 		else
5105 		    openFoldRecurse(curwin->w_cursor.lnum);
5106 		break;
5107 
5108 		/* "zc": close fold at cursor or Visual area */
5109     case 'c':	if (VIsual_active)
5110 		    nv_operator(cap);
5111 		else
5112 		    closeFold(curwin->w_cursor.lnum, cap->count1);
5113 		curwin->w_p_fen = TRUE;
5114 		break;
5115 
5116 		/* "zC": close fold recursively */
5117     case 'C':	if (VIsual_active)
5118 		    nv_operator(cap);
5119 		else
5120 		    closeFoldRecurse(curwin->w_cursor.lnum);
5121 		curwin->w_p_fen = TRUE;
5122 		break;
5123 
5124 		/* "zv": open folds at the cursor */
5125     case 'v':	foldOpenCursor();
5126 		break;
5127 
5128 		/* "zx": re-apply 'foldlevel' and open folds at the cursor */
5129     case 'x':	curwin->w_p_fen = TRUE;
5130 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
5131 		newFoldLevel();			/* update right now */
5132 		foldOpenCursor();
5133 		break;
5134 
5135 		/* "zX": undo manual opens/closes, re-apply 'foldlevel' */
5136     case 'X':	curwin->w_p_fen = TRUE;
5137 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
5138 		old_fdl = -1;			/* force an update */
5139 		break;
5140 
5141 		/* "zm": fold more */
5142     case 'm':	if (curwin->w_p_fdl > 0)
5143 		    --curwin->w_p_fdl;
5144 		old_fdl = -1;		/* force an update */
5145 		curwin->w_p_fen = TRUE;
5146 		break;
5147 
5148 		/* "zM": close all folds */
5149     case 'M':	curwin->w_p_fdl = 0;
5150 		old_fdl = -1;		/* force an update */
5151 		curwin->w_p_fen = TRUE;
5152 		break;
5153 
5154 		/* "zr": reduce folding */
5155     case 'r':	++curwin->w_p_fdl;
5156 		break;
5157 
5158 		/* "zR": open all folds */
5159     case 'R':	curwin->w_p_fdl = getDeepestNesting();
5160 		old_fdl = -1;		/* force an update */
5161 		break;
5162 
5163     case 'j':	/* "zj" move to next fold downwards */
5164     case 'k':	/* "zk" move to next fold upwards */
5165 		if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
5166 							  cap->count1) == FAIL)
5167 		    clearopbeep(cap->oap);
5168 		break;
5169 
5170 #endif /* FEAT_FOLDING */
5171 
5172 #ifdef FEAT_SPELL
5173     case 'u':	/* "zug" and "zuw": undo "zg" and "zw" */
5174 		++no_mapping;
5175 		++allow_keys;   /* no mapping for nchar, but allow key codes */
5176 		nchar = plain_vgetc();
5177 		LANGMAP_ADJUST(nchar, TRUE);
5178 		--no_mapping;
5179 		--allow_keys;
5180 #ifdef FEAT_CMDL_INFO
5181 		(void)add_to_showcmd(nchar);
5182 #endif
5183 		if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
5184 		{
5185 		    clearopbeep(cap->oap);
5186 		    break;
5187 		}
5188 		undo = TRUE;
5189 		/*FALLTHROUGH*/
5190 
5191     case 'g':	/* "zg": add good word to word list */
5192     case 'w':	/* "zw": add wrong word to word list */
5193     case 'G':	/* "zG": add good word to temp word list */
5194     case 'W':	/* "zW": add wrong word to temp word list */
5195 		{
5196 		    char_u  *ptr = NULL;
5197 		    int	    len;
5198 
5199 		    if (checkclearop(cap->oap))
5200 			break;
5201 # ifdef FEAT_VISUAL
5202 		    if (VIsual_active && get_visual_text(cap, &ptr, &len)
5203 								      == FAIL)
5204 			return;
5205 # endif
5206 		    if (ptr == NULL)
5207 		    {
5208 			pos_T	pos = curwin->w_cursor;
5209 
5210 			/* Find bad word under the cursor. */
5211 			len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
5212 			if (len != 0 && curwin->w_cursor.col <= pos.col)
5213 			    ptr = ml_get_pos(&curwin->w_cursor);
5214 			curwin->w_cursor = pos;
5215 		    }
5216 
5217 		    if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
5218 							    FIND_IDENT)) == 0)
5219 			return;
5220 		    spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
5221 					    (nchar == 'G' || nchar == 'W')
5222 						       ? 0 : (int)cap->count1,
5223 					    undo);
5224 		}
5225 		break;
5226 
5227     case '=':	/* "z=": suggestions for a badly spelled word  */
5228 		if (!checkclearop(cap->oap))
5229 		    spell_suggest((int)cap->count0);
5230 		break;
5231 #endif
5232 
5233     default:	clearopbeep(cap->oap);
5234     }
5235 
5236 #ifdef FEAT_FOLDING
5237     /* Redraw when 'foldenable' changed */
5238     if (old_fen != curwin->w_p_fen)
5239     {
5240 # ifdef FEAT_DIFF
5241 	win_T	    *wp;
5242 
5243 	if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
5244 	{
5245 	    /* Adjust 'foldenable' in diff-synced windows. */
5246 	    FOR_ALL_WINDOWS(wp)
5247 	    {
5248 		if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
5249 		{
5250 		    wp->w_p_fen = curwin->w_p_fen;
5251 		    changed_window_setting_win(wp);
5252 		}
5253 	    }
5254 	}
5255 # endif
5256 	changed_window_setting();
5257     }
5258 
5259     /* Redraw when 'foldlevel' changed. */
5260     if (old_fdl != curwin->w_p_fdl)
5261 	newFoldLevel();
5262 #endif
5263 }
5264 
5265 #ifdef FEAT_GUI
5266 /*
5267  * Vertical scrollbar movement.
5268  */
5269     static void
5270 nv_ver_scrollbar(cap)
5271     cmdarg_T	*cap;
5272 {
5273     if (cap->oap->op_type != OP_NOP)
5274 	clearopbeep(cap->oap);
5275 
5276     /* Even if an operator was pending, we still want to scroll */
5277     gui_do_scroll();
5278 }
5279 
5280 /*
5281  * Horizontal scrollbar movement.
5282  */
5283     static void
5284 nv_hor_scrollbar(cap)
5285     cmdarg_T	*cap;
5286 {
5287     if (cap->oap->op_type != OP_NOP)
5288 	clearopbeep(cap->oap);
5289 
5290     /* Even if an operator was pending, we still want to scroll */
5291     gui_do_horiz_scroll(scrollbar_value, FALSE);
5292 }
5293 #endif
5294 
5295 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5296 /*
5297  * Click in GUI tab.
5298  */
5299     static void
5300 nv_tabline(cap)
5301     cmdarg_T	*cap;
5302 {
5303     if (cap->oap->op_type != OP_NOP)
5304 	clearopbeep(cap->oap);
5305 
5306     /* Even if an operator was pending, we still want to jump tabs. */
5307     goto_tabpage(current_tab);
5308 }
5309 
5310 /*
5311  * Selected item in tab line menu.
5312  */
5313     static void
5314 nv_tabmenu(cap)
5315     cmdarg_T	*cap;
5316 {
5317     if (cap->oap->op_type != OP_NOP)
5318 	clearopbeep(cap->oap);
5319 
5320     /* Even if an operator was pending, we still want to jump tabs. */
5321     handle_tabmenu();
5322 }
5323 
5324 /*
5325  * Handle selecting an item of the GUI tab line menu.
5326  * Used in Normal and Insert mode.
5327  */
5328     void
5329 handle_tabmenu()
5330 {
5331     switch (current_tabmenu)
5332     {
5333 	case TABLINE_MENU_CLOSE:
5334 	    if (current_tab == 0)
5335 		do_cmdline_cmd((char_u *)"tabclose");
5336 	    else
5337 	    {
5338 		vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5339 								 current_tab);
5340 		do_cmdline_cmd(IObuff);
5341 	    }
5342 	    break;
5343 
5344 	case TABLINE_MENU_NEW:
5345 	    vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5346 				     current_tab > 0 ? current_tab - 1 : 999);
5347 	    do_cmdline_cmd(IObuff);
5348 	    break;
5349 
5350 	case TABLINE_MENU_OPEN:
5351 	    vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5352 				     current_tab > 0 ? current_tab - 1 : 999);
5353 	    do_cmdline_cmd(IObuff);
5354 	    break;
5355     }
5356 }
5357 #endif
5358 
5359 /*
5360  * "Q" command.
5361  */
5362     static void
5363 nv_exmode(cap)
5364     cmdarg_T	*cap;
5365 {
5366     /*
5367      * Ignore 'Q' in Visual mode, just give a beep.
5368      */
5369 #ifdef FEAT_VISUAL
5370     if (VIsual_active)
5371 	vim_beep();
5372     else
5373 #endif
5374 	if (!checkclearop(cap->oap))
5375 	do_exmode(FALSE);
5376 }
5377 
5378 /*
5379  * Handle a ":" command.
5380  */
5381     static void
5382 nv_colon(cap)
5383     cmdarg_T  *cap;
5384 {
5385     int	    old_p_im;
5386 
5387 #ifdef FEAT_VISUAL
5388     if (VIsual_active)
5389 	nv_operator(cap);
5390     else
5391 #endif
5392     {
5393 	if (cap->oap->op_type != OP_NOP)
5394 	{
5395 	    /* Using ":" as a movement is characterwise exclusive. */
5396 	    cap->oap->motion_type = MCHAR;
5397 	    cap->oap->inclusive = FALSE;
5398 	}
5399 	else if (cap->count0)
5400 	{
5401 	    /* translate "count:" into ":.,.+(count - 1)" */
5402 	    stuffcharReadbuff('.');
5403 	    if (cap->count0 > 1)
5404 	    {
5405 		stuffReadbuff((char_u *)",.+");
5406 		stuffnumReadbuff((long)cap->count0 - 1L);
5407 	    }
5408 	}
5409 
5410 	/* When typing, don't type below an old message */
5411 	if (KeyTyped)
5412 	    compute_cmdrow();
5413 
5414 	old_p_im = p_im;
5415 
5416 	/* get a command line and execute it */
5417 	do_cmdline(NULL, getexline, NULL,
5418 			    cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5419 
5420 	/* If 'insertmode' changed, enter or exit Insert mode */
5421 	if (p_im != old_p_im)
5422 	{
5423 	    if (p_im)
5424 		restart_edit = 'i';
5425 	    else
5426 		restart_edit = 0;
5427 	}
5428 
5429 	/* The start of the operator may have become invalid by the Ex
5430 	 * command. */
5431 	if (cap->oap->op_type != OP_NOP
5432 		&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5433 		    || cap->oap->start.col >
5434 			       (colnr_T)STRLEN(ml_get(cap->oap->start.lnum))))
5435 	    clearopbeep(cap->oap);
5436     }
5437 }
5438 
5439 /*
5440  * Handle CTRL-G command.
5441  */
5442     static void
5443 nv_ctrlg(cap)
5444     cmdarg_T *cap;
5445 {
5446 #ifdef FEAT_VISUAL
5447     if (VIsual_active)	/* toggle Selection/Visual mode */
5448     {
5449 	VIsual_select = !VIsual_select;
5450 	showmode();
5451     }
5452     else
5453 #endif
5454 	if (!checkclearop(cap->oap))
5455 	/* print full name if count given or :cd used */
5456 	fileinfo((int)cap->count0, FALSE, TRUE);
5457 }
5458 
5459 /*
5460  * Handle CTRL-H <Backspace> command.
5461  */
5462     static void
5463 nv_ctrlh(cap)
5464     cmdarg_T *cap;
5465 {
5466 #ifdef FEAT_VISUAL
5467     if (VIsual_active && VIsual_select)
5468     {
5469 	cap->cmdchar = 'x';	/* BS key behaves like 'x' in Select mode */
5470 	v_visop(cap);
5471     }
5472     else
5473 #endif
5474 	nv_left(cap);
5475 }
5476 
5477 /*
5478  * CTRL-L: clear screen and redraw.
5479  */
5480     static void
5481 nv_clear(cap)
5482     cmdarg_T	*cap;
5483 {
5484     if (!checkclearop(cap->oap))
5485     {
5486 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5487 	/*
5488 	 * Right now, the BeBox doesn't seem to have an easy way to detect
5489 	 * window resizing, so we cheat and make the user detect it
5490 	 * manually with CTRL-L instead
5491 	 */
5492 	ui_get_shellsize();
5493 #endif
5494 #ifdef FEAT_SYN_HL
5495 	/* Clear all syntax states to force resyncing. */
5496 	syn_stack_free_all(curwin->w_s);
5497 #endif
5498 	redraw_later(CLEAR);
5499     }
5500 }
5501 
5502 /*
5503  * CTRL-O: In Select mode: switch to Visual mode for one command.
5504  * Otherwise: Go to older pcmark.
5505  */
5506     static void
5507 nv_ctrlo(cap)
5508     cmdarg_T	*cap;
5509 {
5510 #ifdef FEAT_VISUAL
5511     if (VIsual_active && VIsual_select)
5512     {
5513 	VIsual_select = FALSE;
5514 	showmode();
5515 	restart_VIsual_select = 2;	/* restart Select mode later */
5516     }
5517     else
5518 #endif
5519     {
5520 	cap->count1 = -cap->count1;
5521 	nv_pcmark(cap);
5522     }
5523 }
5524 
5525 /*
5526  * CTRL-^ command, short for ":e #"
5527  */
5528     static void
5529 nv_hat(cap)
5530     cmdarg_T	*cap;
5531 {
5532     if (!checkclearopq(cap->oap))
5533 	(void)buflist_getfile((int)cap->count0, (linenr_T)0,
5534 						GETF_SETMARK|GETF_ALT, FALSE);
5535 }
5536 
5537 /*
5538  * "Z" commands.
5539  */
5540     static void
5541 nv_Zet(cap)
5542     cmdarg_T *cap;
5543 {
5544     if (!checkclearopq(cap->oap))
5545     {
5546 	switch (cap->nchar)
5547 	{
5548 			/* "ZZ": equivalent to ":x". */
5549 	    case 'Z':	do_cmdline_cmd((char_u *)"x");
5550 			break;
5551 
5552 			/* "ZQ": equivalent to ":q!" (Elvis compatible). */
5553 	    case 'Q':	do_cmdline_cmd((char_u *)"q!");
5554 			break;
5555 
5556 	    default:	clearopbeep(cap->oap);
5557 	}
5558     }
5559 }
5560 
5561 #if defined(FEAT_WINDOWS) || defined(PROTO)
5562 /*
5563  * Call nv_ident() as if "c1" was used, with "c2" as next character.
5564  */
5565     void
5566 do_nv_ident(c1, c2)
5567     int		c1;
5568     int		c2;
5569 {
5570     oparg_T	oa;
5571     cmdarg_T	ca;
5572 
5573     clear_oparg(&oa);
5574     vim_memset(&ca, 0, sizeof(ca));
5575     ca.oap = &oa;
5576     ca.cmdchar = c1;
5577     ca.nchar = c2;
5578     nv_ident(&ca);
5579 }
5580 #endif
5581 
5582 /*
5583  * Handle the commands that use the word under the cursor.
5584  * [g] CTRL-]	:ta to current identifier
5585  * [g] 'K'	run program for current identifier
5586  * [g] '*'	/ to current identifier or string
5587  * [g] '#'	? to current identifier or string
5588  *  g  ']'	:tselect for current identifier
5589  */
5590     static void
5591 nv_ident(cap)
5592     cmdarg_T	*cap;
5593 {
5594     char_u	*ptr = NULL;
5595     char_u	*buf;
5596     char_u	*newbuf;
5597     char_u	*p;
5598     char_u	*kp;		/* value of 'keywordprg' */
5599     int		kp_help;	/* 'keywordprg' is ":help" */
5600     int		n = 0;		/* init for GCC */
5601     int		cmdchar;
5602     int		g_cmd;		/* "g" command */
5603     int		tag_cmd = FALSE;
5604     char_u	*aux_ptr;
5605     int		isman;
5606     int		isman_s;
5607 
5608     if (cap->cmdchar == 'g')	/* "g*", "g#", "g]" and "gCTRL-]" */
5609     {
5610 	cmdchar = cap->nchar;
5611 	g_cmd = TRUE;
5612     }
5613     else
5614     {
5615 	cmdchar = cap->cmdchar;
5616 	g_cmd = FALSE;
5617     }
5618 
5619     if (cmdchar == POUND)	/* the pound sign, '#' for English keyboards */
5620 	cmdchar = '#';
5621 
5622     /*
5623      * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5624      */
5625     if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5626     {
5627 #ifdef FEAT_VISUAL
5628 	if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5629 	    return;
5630 #endif
5631 	if (checkclearopq(cap->oap))
5632 	    return;
5633     }
5634 
5635     if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5636 		    (cmdchar == '*' || cmdchar == '#')
5637 				 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5638     {
5639 	clearop(cap->oap);
5640 	return;
5641     }
5642 
5643     /* Allocate buffer to put the command in.  Inserting backslashes can
5644      * double the length of the word.  p_kp / curbuf->b_p_kp could be added
5645      * and some numbers. */
5646     kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5647     kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5648 						 || STRCMP(kp, ":help") == 0);
5649     buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5650     if (buf == NULL)
5651 	return;
5652     buf[0] = NUL;
5653 
5654     switch (cmdchar)
5655     {
5656 	case '*':
5657 	case '#':
5658 	    /*
5659 	     * Put cursor at start of word, makes search skip the word
5660 	     * under the cursor.
5661 	     * Call setpcmark() first, so "*``" puts the cursor back where
5662 	     * it was.
5663 	     */
5664 	    setpcmark();
5665 	    curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5666 
5667 	    if (!g_cmd && vim_iswordp(ptr))
5668 		STRCPY(buf, "\\<");
5669 	    no_smartcase = TRUE;	/* don't use 'smartcase' now */
5670 	    break;
5671 
5672 	case 'K':
5673 	    if (kp_help)
5674 		STRCPY(buf, "he! ");
5675 	    else
5676 	    {
5677 		/* An external command will probably use an argument starting
5678 		 * with "-" as an option.  To avoid trouble we skip the "-". */
5679 		while (*ptr == '-' && n > 0)
5680 		{
5681 		    ++ptr;
5682 		    --n;
5683 		}
5684 		if (n == 0)
5685 		{
5686 		    EMSG(_(e_noident));	 /* found dashes only */
5687 		    vim_free(buf);
5688 		    return;
5689 		}
5690 
5691 		/* When a count is given, turn it into a range.  Is this
5692 		 * really what we want? */
5693 		isman = (STRCMP(kp, "man") == 0);
5694 		isman_s = (STRCMP(kp, "man -s") == 0);
5695 		if (cap->count0 != 0 && !(isman || isman_s))
5696 		    sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5697 
5698 		STRCAT(buf, "! ");
5699 		if (cap->count0 == 0 && isman_s)
5700 		    STRCAT(buf, "man");
5701 		else
5702 		    STRCAT(buf, kp);
5703 		STRCAT(buf, " ");
5704 		if (cap->count0 != 0 && (isman || isman_s))
5705 		{
5706 		    sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5707 		    STRCAT(buf, " ");
5708 		}
5709 	    }
5710 	    break;
5711 
5712 	case ']':
5713 	    tag_cmd = TRUE;
5714 #ifdef FEAT_CSCOPE
5715 	    if (p_cst)
5716 		STRCPY(buf, "cstag ");
5717 	    else
5718 #endif
5719 		STRCPY(buf, "ts ");
5720 	    break;
5721 
5722 	default:
5723 	    tag_cmd = TRUE;
5724 	    if (curbuf->b_help)
5725 		STRCPY(buf, "he! ");
5726 	    else
5727 	    {
5728 		if (g_cmd)
5729 		    STRCPY(buf, "tj ");
5730 		else
5731 		    sprintf((char *)buf, "%ldta ", cap->count0);
5732 	    }
5733     }
5734 
5735     /*
5736      * Now grab the chars in the identifier
5737      */
5738     if (cmdchar == 'K' && !kp_help)
5739     {
5740 	/* Escape the argument properly for a shell command */
5741 	ptr = vim_strnsave(ptr, n);
5742 	p = vim_strsave_shellescape(ptr, TRUE);
5743 	vim_free(ptr);
5744 	if (p == NULL)
5745 	{
5746 	    vim_free(buf);
5747 	    return;
5748 	}
5749 	newbuf = (char_u *)vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1);
5750 	if (newbuf == NULL)
5751 	{
5752 	    vim_free(buf);
5753 	    vim_free(p);
5754 	    return;
5755 	}
5756 	buf = newbuf;
5757 	STRCAT(buf, p);
5758 	vim_free(p);
5759     }
5760     else
5761     {
5762 	if (cmdchar == '*')
5763 	    aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5764 	else if (cmdchar == '#')
5765 	    aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5766 	else if (tag_cmd)
5767 	{
5768 	    if (curbuf->b_help)
5769 		/* ":help" handles unescaped argument */
5770 		aux_ptr = (char_u *)"";
5771 	    else
5772 		aux_ptr = (char_u *)"\\|\"\n[";
5773 	}
5774 	else
5775 	    aux_ptr = (char_u *)"\\|\"\n*?[";
5776 
5777 	p = buf + STRLEN(buf);
5778 	while (n-- > 0)
5779 	{
5780 	    /* put a backslash before \ and some others */
5781 	    if (vim_strchr(aux_ptr, *ptr) != NULL)
5782 		*p++ = '\\';
5783 #ifdef FEAT_MBYTE
5784 	    /* When current byte is a part of multibyte character, copy all
5785 	     * bytes of that character. */
5786 	    if (has_mbyte)
5787 	    {
5788 		int i;
5789 		int len = (*mb_ptr2len)(ptr) - 1;
5790 
5791 		for (i = 0; i < len && n >= 1; ++i, --n)
5792 		    *p++ = *ptr++;
5793 	    }
5794 #endif
5795 	    *p++ = *ptr++;
5796 	}
5797 	*p = NUL;
5798     }
5799 
5800     /*
5801      * Execute the command.
5802      */
5803     if (cmdchar == '*' || cmdchar == '#')
5804     {
5805 	if (!g_cmd && (
5806 #ifdef FEAT_MBYTE
5807 		has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5808 #endif
5809 		vim_iswordc(ptr[-1])))
5810 	    STRCAT(buf, "\\>");
5811 #ifdef FEAT_CMDHIST
5812 	/* put pattern in search history */
5813 	init_history();
5814 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5815 #endif
5816 	normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5817     }
5818     else
5819 	do_cmdline_cmd(buf);
5820 
5821     vim_free(buf);
5822 }
5823 
5824 #if defined(FEAT_VISUAL) || defined(PROTO)
5825 /*
5826  * Get visually selected text, within one line only.
5827  * Returns FAIL if more than one line selected.
5828  */
5829     int
5830 get_visual_text(cap, pp, lenp)
5831     cmdarg_T	*cap;
5832     char_u	**pp;	    /* return: start of selected text */
5833     int		*lenp;	    /* return: length of selected text */
5834 {
5835     if (VIsual_mode != 'V')
5836 	unadjust_for_sel();
5837     if (VIsual.lnum != curwin->w_cursor.lnum)
5838     {
5839 	if (cap != NULL)
5840 	    clearopbeep(cap->oap);
5841 	return FAIL;
5842     }
5843     if (VIsual_mode == 'V')
5844     {
5845 	*pp = ml_get_curline();
5846 	*lenp = (int)STRLEN(*pp);
5847     }
5848     else
5849     {
5850 	if (lt(curwin->w_cursor, VIsual))
5851 	{
5852 	    *pp = ml_get_pos(&curwin->w_cursor);
5853 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
5854 	}
5855 	else
5856 	{
5857 	    *pp = ml_get_pos(&VIsual);
5858 	    *lenp = curwin->w_cursor.col - VIsual.col + 1;
5859 	}
5860 #ifdef FEAT_MBYTE
5861 	if (has_mbyte)
5862 	    /* Correct the length to include the whole last character. */
5863 	    *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5864 #endif
5865     }
5866     reset_VIsual_and_resel();
5867     return OK;
5868 }
5869 #endif
5870 
5871 /*
5872  * CTRL-T: backwards in tag stack
5873  */
5874     static void
5875 nv_tagpop(cap)
5876     cmdarg_T	*cap;
5877 {
5878     if (!checkclearopq(cap->oap))
5879 	do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5880 }
5881 
5882 /*
5883  * Handle scrolling command 'H', 'L' and 'M'.
5884  */
5885     static void
5886 nv_scroll(cap)
5887     cmdarg_T  *cap;
5888 {
5889     int		used = 0;
5890     long	n;
5891 #ifdef FEAT_FOLDING
5892     linenr_T	lnum;
5893 #endif
5894     int		half;
5895 
5896     cap->oap->motion_type = MLINE;
5897     setpcmark();
5898 
5899     if (cap->cmdchar == 'L')
5900     {
5901 	validate_botline();	    /* make sure curwin->w_botline is valid */
5902 	curwin->w_cursor.lnum = curwin->w_botline - 1;
5903 	if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5904 	    curwin->w_cursor.lnum = 1;
5905 	else
5906 	{
5907 #ifdef FEAT_FOLDING
5908 	    if (hasAnyFolding(curwin))
5909 	    {
5910 		/* Count a fold for one screen line. */
5911 		for (n = cap->count1 - 1; n > 0
5912 			    && curwin->w_cursor.lnum > curwin->w_topline; --n)
5913 		{
5914 		    (void)hasFolding(curwin->w_cursor.lnum,
5915 						&curwin->w_cursor.lnum, NULL);
5916 		    --curwin->w_cursor.lnum;
5917 		}
5918 	    }
5919 	    else
5920 #endif
5921 		curwin->w_cursor.lnum -= cap->count1 - 1;
5922 	}
5923     }
5924     else
5925     {
5926 	if (cap->cmdchar == 'M')
5927 	{
5928 #ifdef FEAT_DIFF
5929 	    /* Don't count filler lines above the window. */
5930 	    used -= diff_check_fill(curwin, curwin->w_topline)
5931 							  - curwin->w_topfill;
5932 #endif
5933 	    validate_botline();	    /* make sure w_empty_rows is valid */
5934 	    half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5935 	    for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5936 	    {
5937 #ifdef FEAT_DIFF
5938 		/* Count half he number of filler lines to be "below this
5939 		 * line" and half to be "above the next line". */
5940 		if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5941 							     + n) / 2 >= half)
5942 		{
5943 		    --n;
5944 		    break;
5945 		}
5946 #endif
5947 		used += plines(curwin->w_topline + n);
5948 		if (used >= half)
5949 		    break;
5950 #ifdef FEAT_FOLDING
5951 		if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5952 		    n = lnum - curwin->w_topline;
5953 #endif
5954 	    }
5955 	    if (n > 0 && used > curwin->w_height)
5956 		--n;
5957 	}
5958 	else /* (cap->cmdchar == 'H') */
5959 	{
5960 	    n = cap->count1 - 1;
5961 #ifdef FEAT_FOLDING
5962 	    if (hasAnyFolding(curwin))
5963 	    {
5964 		/* Count a fold for one screen line. */
5965 		lnum = curwin->w_topline;
5966 		while (n-- > 0 && lnum < curwin->w_botline - 1)
5967 		{
5968 		    hasFolding(lnum, NULL, &lnum);
5969 		    ++lnum;
5970 		}
5971 		n = lnum - curwin->w_topline;
5972 	    }
5973 #endif
5974 	}
5975 	curwin->w_cursor.lnum = curwin->w_topline + n;
5976 	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5977 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5978     }
5979 
5980     cursor_correct();	/* correct for 'so' */
5981     beginline(BL_SOL | BL_FIX);
5982 }
5983 
5984 /*
5985  * Cursor right commands.
5986  */
5987     static void
5988 nv_right(cap)
5989     cmdarg_T	*cap;
5990 {
5991     long	n;
5992 #ifdef FEAT_VISUAL
5993     int		PAST_LINE;
5994 #else
5995 # define PAST_LINE 0
5996 #endif
5997 
5998     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5999     {
6000 	/* <C-Right> and <S-Right> move a word or WORD right */
6001 	if (mod_mask & MOD_MASK_CTRL)
6002 	    cap->arg = TRUE;
6003 	nv_wordcmd(cap);
6004 	return;
6005     }
6006 
6007     cap->oap->motion_type = MCHAR;
6008     cap->oap->inclusive = FALSE;
6009 #ifdef FEAT_VISUAL
6010     PAST_LINE = (VIsual_active && *p_sel != 'o');
6011 
6012 # ifdef FEAT_VIRTUALEDIT
6013     /*
6014      * In virtual mode, there's no such thing as "PAST_LINE", as lines are
6015      * (theoretically) infinitely long.
6016      */
6017     if (virtual_active())
6018 	PAST_LINE = 0;
6019 # endif
6020 #endif
6021 
6022     for (n = cap->count1; n > 0; --n)
6023     {
6024 	if ((!PAST_LINE && oneright() == FAIL)
6025 #ifdef FEAT_VISUAL
6026 		|| (PAST_LINE && *ml_get_cursor() == NUL)
6027 #endif
6028 		)
6029 	{
6030 	    /*
6031 	     *	  <Space> wraps to next line if 'whichwrap' has 's'.
6032 	     *	      'l' wraps to next line if 'whichwrap' has 'l'.
6033 	     * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
6034 	     */
6035 	    if (       ((cap->cmdchar == ' '
6036 			    && vim_strchr(p_ww, 's') != NULL)
6037 			|| (cap->cmdchar == 'l'
6038 			    && vim_strchr(p_ww, 'l') != NULL)
6039 			|| (cap->cmdchar == K_RIGHT
6040 			    && vim_strchr(p_ww, '>') != NULL))
6041 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
6042 	    {
6043 		/* When deleting we also count the NL as a character.
6044 		 * Set cap->oap->inclusive when last char in the line is
6045 		 * included, move to next line after that */
6046 		if (	   cap->oap->op_type != OP_NOP
6047 			&& !cap->oap->inclusive
6048 			&& !lineempty(curwin->w_cursor.lnum))
6049 		    cap->oap->inclusive = TRUE;
6050 		else
6051 		{
6052 		    ++curwin->w_cursor.lnum;
6053 		    curwin->w_cursor.col = 0;
6054 #ifdef FEAT_VIRTUALEDIT
6055 		    curwin->w_cursor.coladd = 0;
6056 #endif
6057 		    curwin->w_set_curswant = TRUE;
6058 		    cap->oap->inclusive = FALSE;
6059 		}
6060 		continue;
6061 	    }
6062 	    if (cap->oap->op_type == OP_NOP)
6063 	    {
6064 		/* Only beep and flush if not moved at all */
6065 		if (n == cap->count1)
6066 		    beep_flush();
6067 	    }
6068 	    else
6069 	    {
6070 		if (!lineempty(curwin->w_cursor.lnum))
6071 		    cap->oap->inclusive = TRUE;
6072 	    }
6073 	    break;
6074 	}
6075 #ifdef FEAT_VISUAL
6076 	else if (PAST_LINE)
6077 	{
6078 	    curwin->w_set_curswant = TRUE;
6079 # ifdef FEAT_VIRTUALEDIT
6080 	    if (virtual_active())
6081 		oneright();
6082 	    else
6083 # endif
6084 	    {
6085 # ifdef FEAT_MBYTE
6086 		if (has_mbyte)
6087 		    curwin->w_cursor.col +=
6088 					 (*mb_ptr2len)(ml_get_cursor());
6089 		else
6090 # endif
6091 		    ++curwin->w_cursor.col;
6092 	    }
6093 	}
6094 #endif
6095     }
6096 #ifdef FEAT_FOLDING
6097     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
6098 					       && cap->oap->op_type == OP_NOP)
6099 	foldOpenCursor();
6100 #endif
6101 }
6102 
6103 /*
6104  * Cursor left commands.
6105  *
6106  * Returns TRUE when operator end should not be adjusted.
6107  */
6108     static void
6109 nv_left(cap)
6110     cmdarg_T	*cap;
6111 {
6112     long	n;
6113 
6114     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
6115     {
6116 	/* <C-Left> and <S-Left> move a word or WORD left */
6117 	if (mod_mask & MOD_MASK_CTRL)
6118 	    cap->arg = 1;
6119 	nv_bck_word(cap);
6120 	return;
6121     }
6122 
6123     cap->oap->motion_type = MCHAR;
6124     cap->oap->inclusive = FALSE;
6125     for (n = cap->count1; n > 0; --n)
6126     {
6127 	if (oneleft() == FAIL)
6128 	{
6129 	    /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
6130 	     *		 'h' wraps to previous line if 'whichwrap' has 'h'.
6131 	     *	   CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
6132 	     */
6133 	    if (       (((cap->cmdchar == K_BS
6134 				|| cap->cmdchar == Ctrl_H)
6135 			    && vim_strchr(p_ww, 'b') != NULL)
6136 			|| (cap->cmdchar == 'h'
6137 			    && vim_strchr(p_ww, 'h') != NULL)
6138 			|| (cap->cmdchar == K_LEFT
6139 			    && vim_strchr(p_ww, '<') != NULL))
6140 		    && curwin->w_cursor.lnum > 1)
6141 	    {
6142 		--(curwin->w_cursor.lnum);
6143 		coladvance((colnr_T)MAXCOL);
6144 		curwin->w_set_curswant = TRUE;
6145 
6146 		/* When the NL before the first char has to be deleted we
6147 		 * put the cursor on the NUL after the previous line.
6148 		 * This is a very special case, be careful!
6149 		 * Don't adjust op_end now, otherwise it won't work. */
6150 		if (	   (cap->oap->op_type == OP_DELETE
6151 			    || cap->oap->op_type == OP_CHANGE)
6152 			&& !lineempty(curwin->w_cursor.lnum))
6153 		{
6154 		    if (*ml_get_cursor() != NUL)
6155 			++curwin->w_cursor.col;
6156 		    cap->retval |= CA_NO_ADJ_OP_END;
6157 		}
6158 		continue;
6159 	    }
6160 	    /* Only beep and flush if not moved at all */
6161 	    else if (cap->oap->op_type == OP_NOP && n == cap->count1)
6162 		beep_flush();
6163 	    break;
6164 	}
6165     }
6166 #ifdef FEAT_FOLDING
6167     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
6168 					       && cap->oap->op_type == OP_NOP)
6169 	foldOpenCursor();
6170 #endif
6171 }
6172 
6173 /*
6174  * Cursor up commands.
6175  * cap->arg is TRUE for "-": Move cursor to first non-blank.
6176  */
6177     static void
6178 nv_up(cap)
6179     cmdarg_T	*cap;
6180 {
6181     if (mod_mask & MOD_MASK_SHIFT)
6182     {
6183 	/* <S-Up> is page up */
6184 	cap->arg = BACKWARD;
6185 	nv_page(cap);
6186     }
6187     else
6188     {
6189 	cap->oap->motion_type = MLINE;
6190 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6191 	    clearopbeep(cap->oap);
6192 	else if (cap->arg)
6193 	    beginline(BL_WHITE | BL_FIX);
6194     }
6195 }
6196 
6197 /*
6198  * Cursor down commands.
6199  * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
6200  */
6201     static void
6202 nv_down(cap)
6203     cmdarg_T	*cap;
6204 {
6205     if (mod_mask & MOD_MASK_SHIFT)
6206     {
6207 	/* <S-Down> is page down */
6208 	cap->arg = FORWARD;
6209 	nv_page(cap);
6210     }
6211     else
6212 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
6213     /* In a quickfix window a <CR> jumps to the error under the cursor. */
6214     if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
6215 	if (curwin->w_llist_ref == NULL)
6216 	    do_cmdline_cmd((char_u *)".cc");	/* quickfix window */
6217 	else
6218 	    do_cmdline_cmd((char_u *)".ll");	/* location list window */
6219     else
6220 #endif
6221     {
6222 #ifdef FEAT_CMDWIN
6223 	/* In the cmdline window a <CR> executes the command. */
6224 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
6225 	    cmdwin_result = CAR;
6226 	else
6227 #endif
6228 	{
6229 	    cap->oap->motion_type = MLINE;
6230 	    if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6231 		clearopbeep(cap->oap);
6232 	    else if (cap->arg)
6233 		beginline(BL_WHITE | BL_FIX);
6234 	}
6235     }
6236 }
6237 
6238 #ifdef FEAT_SEARCHPATH
6239 /*
6240  * Grab the file name under the cursor and edit it.
6241  */
6242     static void
6243 nv_gotofile(cap)
6244     cmdarg_T	*cap;
6245 {
6246     char_u	*ptr;
6247     linenr_T	lnum = -1;
6248 
6249     if (text_locked())
6250     {
6251 	clearopbeep(cap->oap);
6252 	text_locked_msg();
6253 	return;
6254     }
6255 #ifdef FEAT_AUTOCMD
6256     if (curbuf_locked())
6257     {
6258 	clearop(cap->oap);
6259 	return;
6260     }
6261 #endif
6262 
6263     ptr = grab_file_name(cap->count1, &lnum);
6264 
6265     if (ptr != NULL)
6266     {
6267 	/* do autowrite if necessary */
6268 	if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
6269 	    autowrite(curbuf, FALSE);
6270 	setpcmark();
6271 	(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
6272 				       P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
6273 	if (cap->nchar == 'F' && lnum >= 0)
6274 	{
6275 	    curwin->w_cursor.lnum = lnum;
6276 	    check_cursor_lnum();
6277 	    beginline(BL_SOL | BL_FIX);
6278 	}
6279 	vim_free(ptr);
6280     }
6281     else
6282 	clearop(cap->oap);
6283 }
6284 #endif
6285 
6286 /*
6287  * <End> command: to end of current line or last line.
6288  */
6289     static void
6290 nv_end(cap)
6291     cmdarg_T	*cap;
6292 {
6293     if (cap->arg || (mod_mask & MOD_MASK_CTRL))	/* CTRL-END = goto last line */
6294     {
6295 	cap->arg = TRUE;
6296 	nv_goto(cap);
6297 	cap->count1 = 1;		/* to end of current line */
6298     }
6299     nv_dollar(cap);
6300 }
6301 
6302 /*
6303  * Handle the "$" command.
6304  */
6305     static void
6306 nv_dollar(cap)
6307     cmdarg_T	*cap;
6308 {
6309     cap->oap->motion_type = MCHAR;
6310     cap->oap->inclusive = TRUE;
6311 #ifdef FEAT_VIRTUALEDIT
6312     /* In virtual mode when off the edge of a line and an operator
6313      * is pending (whew!) keep the cursor where it is.
6314      * Otherwise, send it to the end of the line. */
6315     if (!virtual_active() || gchar_cursor() != NUL
6316 					       || cap->oap->op_type == OP_NOP)
6317 #endif
6318 	curwin->w_curswant = MAXCOL;	/* so we stay at the end */
6319     if (cursor_down((long)(cap->count1 - 1),
6320 					 cap->oap->op_type == OP_NOP) == FAIL)
6321 	clearopbeep(cap->oap);
6322 #ifdef FEAT_FOLDING
6323     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6324 	foldOpenCursor();
6325 #endif
6326 }
6327 
6328 /*
6329  * Implementation of '?' and '/' commands.
6330  * If cap->arg is TRUE don't set PC mark.
6331  */
6332     static void
6333 nv_search(cap)
6334     cmdarg_T	    *cap;
6335 {
6336     oparg_T	*oap = cap->oap;
6337 
6338     if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6339     {
6340 	/* Translate "g??" to "g?g?" */
6341 	cap->cmdchar = 'g';
6342 	cap->nchar = '?';
6343 	nv_operator(cap);
6344 	return;
6345     }
6346 
6347     cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6348 
6349     if (cap->searchbuf == NULL)
6350     {
6351 	clearop(oap);
6352 	return;
6353     }
6354 
6355     normal_search(cap, cap->cmdchar, cap->searchbuf,
6356 						(cap->arg ? 0 : SEARCH_MARK));
6357 }
6358 
6359 /*
6360  * Handle "N" and "n" commands.
6361  * cap->arg is SEARCH_REV for "N", 0 for "n".
6362  */
6363     static void
6364 nv_next(cap)
6365     cmdarg_T	*cap;
6366 {
6367     normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6368 }
6369 
6370 /*
6371  * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6372  * Uses only cap->count1 and cap->oap from "cap".
6373  */
6374     static void
6375 normal_search(cap, dir, pat, opt)
6376     cmdarg_T	*cap;
6377     int		dir;
6378     char_u	*pat;
6379     int		opt;		/* extra flags for do_search() */
6380 {
6381     int		i;
6382 
6383     cap->oap->motion_type = MCHAR;
6384     cap->oap->inclusive = FALSE;
6385     cap->oap->use_reg_one = TRUE;
6386     curwin->w_set_curswant = TRUE;
6387 
6388     i = do_search(cap->oap, dir, pat, cap->count1,
6389 			   opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
6390     if (i == 0)
6391 	clearop(cap->oap);
6392     else
6393     {
6394 	if (i == 2)
6395 	    cap->oap->motion_type = MLINE;
6396 #ifdef FEAT_VIRTUALEDIT
6397 	curwin->w_cursor.coladd = 0;
6398 #endif
6399 #ifdef FEAT_FOLDING
6400 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6401 	    foldOpenCursor();
6402 #endif
6403     }
6404 
6405     /* "/$" will put the cursor after the end of the line, may need to
6406      * correct that here */
6407     check_cursor();
6408 }
6409 
6410 /*
6411  * Character search commands.
6412  * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6413  * ',' and FALSE for ';'.
6414  * cap->nchar is NUL for ',' and ';' (repeat the search)
6415  */
6416     static void
6417 nv_csearch(cap)
6418     cmdarg_T	*cap;
6419 {
6420     int		t_cmd;
6421 
6422     if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6423 	t_cmd = TRUE;
6424     else
6425 	t_cmd = FALSE;
6426 
6427     cap->oap->motion_type = MCHAR;
6428     if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6429 	clearopbeep(cap->oap);
6430     else
6431     {
6432 	curwin->w_set_curswant = TRUE;
6433 #ifdef FEAT_VIRTUALEDIT
6434 	/* Include a Tab for "tx" and for "dfx". */
6435 	if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6436 		&& (t_cmd || cap->oap->op_type != OP_NOP))
6437 	{
6438 	    colnr_T	scol, ecol;
6439 
6440 	    getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6441 	    curwin->w_cursor.coladd = ecol - scol;
6442 	}
6443 	else
6444 	    curwin->w_cursor.coladd = 0;
6445 #endif
6446 #ifdef FEAT_VISUAL
6447 	adjust_for_sel(cap);
6448 #endif
6449 #ifdef FEAT_FOLDING
6450 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6451 	    foldOpenCursor();
6452 #endif
6453     }
6454 }
6455 
6456 /*
6457  * "[" and "]" commands.
6458  * cap->arg is BACKWARD for "[" and FORWARD for "]".
6459  */
6460     static void
6461 nv_brackets(cap)
6462     cmdarg_T	*cap;
6463 {
6464     pos_T	new_pos = INIT_POS_T(0, 0, 0);
6465     pos_T	prev_pos;
6466     pos_T	*pos = NULL;	    /* init for GCC */
6467     pos_T	old_pos;	    /* cursor position before command */
6468     int		flag;
6469     long	n;
6470     int		findc;
6471     int		c;
6472 
6473     cap->oap->motion_type = MCHAR;
6474     cap->oap->inclusive = FALSE;
6475     old_pos = curwin->w_cursor;
6476 #ifdef FEAT_VIRTUALEDIT
6477     curwin->w_cursor.coladd = 0;	    /* TODO: don't do this for an error. */
6478 #endif
6479 
6480 #ifdef FEAT_SEARCHPATH
6481     /*
6482      * "[f" or "]f" : Edit file under the cursor (same as "gf")
6483      */
6484     if (cap->nchar == 'f')
6485 	nv_gotofile(cap);
6486     else
6487 #endif
6488 
6489 #ifdef FEAT_FIND_ID
6490     /*
6491      * Find the occurrence(s) of the identifier or define under cursor
6492      * in current and included files or jump to the first occurrence.
6493      *
6494      *			search	     list	    jump
6495      *		      fwd   bwd    fwd	 bwd	 fwd	bwd
6496      * identifier     "]i"  "[i"   "]I"  "[I"	"]^I"  "[^I"
6497      * define	      "]d"  "[d"   "]D"  "[D"	"]^D"  "[^D"
6498      */
6499     if (vim_strchr((char_u *)
6500 #ifdef EBCDIC
6501 		"iI\005dD\067",
6502 #else
6503 		"iI\011dD\004",
6504 #endif
6505 		cap->nchar) != NULL)
6506     {
6507 	char_u	*ptr;
6508 	int	len;
6509 
6510 	if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6511 	    clearop(cap->oap);
6512 	else
6513 	{
6514 	    find_pattern_in_path(ptr, 0, len, TRUE,
6515 		cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6516 		((cap->nchar & 0xf) == ('d' & 0xf)) ?  FIND_DEFINE : FIND_ANY,
6517 		cap->count1,
6518 		isupper(cap->nchar) ? ACTION_SHOW_ALL :
6519 			    islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6520 		cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6521 		(linenr_T)MAXLNUM);
6522 	    curwin->w_set_curswant = TRUE;
6523 	}
6524     }
6525     else
6526 #endif
6527 
6528     /*
6529      * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6530      * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6531      * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6532      * "[m" or "]m" search for prev/next start of (Java) method.
6533      * "[M" or "]M" search for prev/next end of (Java) method.
6534      */
6535     if (  (cap->cmdchar == '['
6536 		&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6537 	    || (cap->cmdchar == ']'
6538 		&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6539     {
6540 	if (cap->nchar == '*')
6541 	    cap->nchar = '/';
6542 	prev_pos.lnum = 0;
6543 	if (cap->nchar == 'm' || cap->nchar == 'M')
6544 	{
6545 	    if (cap->cmdchar == '[')
6546 		findc = '{';
6547 	    else
6548 		findc = '}';
6549 	    n = 9999;
6550 	}
6551 	else
6552 	{
6553 	    findc = cap->nchar;
6554 	    n = cap->count1;
6555 	}
6556 	for ( ; n > 0; --n)
6557 	{
6558 	    if ((pos = findmatchlimit(cap->oap, findc,
6559 		(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6560 	    {
6561 		if (new_pos.lnum == 0)	/* nothing found */
6562 		{
6563 		    if (cap->nchar != 'm' && cap->nchar != 'M')
6564 			clearopbeep(cap->oap);
6565 		}
6566 		else
6567 		    pos = &new_pos;	/* use last one found */
6568 		break;
6569 	    }
6570 	    prev_pos = new_pos;
6571 	    curwin->w_cursor = *pos;
6572 	    new_pos = *pos;
6573 	}
6574 	curwin->w_cursor = old_pos;
6575 
6576 	/*
6577 	 * Handle "[m", "]m", "[M" and "[M".  The findmatchlimit() only
6578 	 * brought us to the match for "[m" and "]M" when inside a method.
6579 	 * Try finding the '{' or '}' we want to be at.
6580 	 * Also repeat for the given count.
6581 	 */
6582 	if (cap->nchar == 'm' || cap->nchar == 'M')
6583 	{
6584 	    /* norm is TRUE for "]M" and "[m" */
6585 	    int	    norm = ((findc == '{') == (cap->nchar == 'm'));
6586 
6587 	    n = cap->count1;
6588 	    /* found a match: we were inside a method */
6589 	    if (prev_pos.lnum != 0)
6590 	    {
6591 		pos = &prev_pos;
6592 		curwin->w_cursor = prev_pos;
6593 		if (norm)
6594 		    --n;
6595 	    }
6596 	    else
6597 		pos = NULL;
6598 	    while (n > 0)
6599 	    {
6600 		for (;;)
6601 		{
6602 		    if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6603 		    {
6604 			/* if not found anything, that's an error */
6605 			if (pos == NULL)
6606 			    clearopbeep(cap->oap);
6607 			n = 0;
6608 			break;
6609 		    }
6610 		    c = gchar_cursor();
6611 		    if (c == '{' || c == '}')
6612 		    {
6613 			/* Must have found end/start of class: use it.
6614 			 * Or found the place to be at. */
6615 			if ((c == findc && norm) || (n == 1 && !norm))
6616 			{
6617 			    new_pos = curwin->w_cursor;
6618 			    pos = &new_pos;
6619 			    n = 0;
6620 			}
6621 			/* if no match found at all, we started outside of the
6622 			 * class and we're inside now.  Just go on. */
6623 			else if (new_pos.lnum == 0)
6624 			{
6625 			    new_pos = curwin->w_cursor;
6626 			    pos = &new_pos;
6627 			}
6628 			/* found start/end of other method: go to match */
6629 			else if ((pos = findmatchlimit(cap->oap, findc,
6630 			    (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6631 								  0)) == NULL)
6632 			    n = 0;
6633 			else
6634 			    curwin->w_cursor = *pos;
6635 			break;
6636 		    }
6637 		}
6638 		--n;
6639 	    }
6640 	    curwin->w_cursor = old_pos;
6641 	    if (pos == NULL && new_pos.lnum != 0)
6642 		clearopbeep(cap->oap);
6643 	}
6644 	if (pos != NULL)
6645 	{
6646 	    setpcmark();
6647 	    curwin->w_cursor = *pos;
6648 	    curwin->w_set_curswant = TRUE;
6649 #ifdef FEAT_FOLDING
6650 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped
6651 					       && cap->oap->op_type == OP_NOP)
6652 		foldOpenCursor();
6653 #endif
6654 	}
6655     }
6656 
6657     /*
6658      * "[[", "[]", "]]" and "][": move to start or end of function
6659      */
6660     else if (cap->nchar == '[' || cap->nchar == ']')
6661     {
6662 	if (cap->nchar == cap->cmdchar)		    /* "]]" or "[[" */
6663 	    flag = '{';
6664 	else
6665 	    flag = '}';		    /* "][" or "[]" */
6666 
6667 	curwin->w_set_curswant = TRUE;
6668 	/*
6669 	 * Imitate strange Vi behaviour: When using "]]" with an operator
6670 	 * we also stop at '}'.
6671 	 */
6672 	if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6673 	      (cap->oap->op_type != OP_NOP
6674 				      && cap->arg == FORWARD && flag == '{')))
6675 	    clearopbeep(cap->oap);
6676 	else
6677 	{
6678 	    if (cap->oap->op_type == OP_NOP)
6679 		beginline(BL_WHITE | BL_FIX);
6680 #ifdef FEAT_FOLDING
6681 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6682 		foldOpenCursor();
6683 #endif
6684 	}
6685     }
6686 
6687     /*
6688      * "[p", "[P", "]P" and "]p": put with indent adjustment
6689      */
6690     else if (cap->nchar == 'p' || cap->nchar == 'P')
6691     {
6692 	if (!checkclearop(cap->oap))
6693 	{
6694 	    prep_redo_cmd(cap);
6695 	    do_put(cap->oap->regname,
6696 	      (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6697 						  cap->count1, PUT_FIXINDENT);
6698 	}
6699     }
6700 
6701     /*
6702      * "['", "[`", "]'" and "]`": jump to next mark
6703      */
6704     else if (cap->nchar == '\'' || cap->nchar == '`')
6705     {
6706 	pos = &curwin->w_cursor;
6707 	for (n = cap->count1; n > 0; --n)
6708 	{
6709 	    prev_pos = *pos;
6710 	    pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6711 							  cap->nchar == '\'');
6712 	    if (pos == NULL)
6713 		break;
6714 	}
6715 	if (pos == NULL)
6716 	    pos = &prev_pos;
6717 	nv_cursormark(cap, cap->nchar == '\'', pos);
6718     }
6719 
6720 #ifdef FEAT_MOUSE
6721     /*
6722      * [ or ] followed by a middle mouse click: put selected text with
6723      * indent adjustment.  Any other button just does as usual.
6724      */
6725     else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE)
6726     {
6727 	(void)do_mouse(cap->oap, cap->nchar,
6728 		       (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6729 		       cap->count1, PUT_FIXINDENT);
6730     }
6731 #endif /* FEAT_MOUSE */
6732 
6733 #ifdef FEAT_FOLDING
6734     /*
6735      * "[z" and "]z": move to start or end of open fold.
6736      */
6737     else if (cap->nchar == 'z')
6738     {
6739 	if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6740 							 cap->count1) == FAIL)
6741 	    clearopbeep(cap->oap);
6742     }
6743 #endif
6744 
6745 #ifdef FEAT_DIFF
6746     /*
6747      * "[c" and "]c": move to next or previous diff-change.
6748      */
6749     else if (cap->nchar == 'c')
6750     {
6751 	if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6752 							 cap->count1) == FAIL)
6753 	    clearopbeep(cap->oap);
6754     }
6755 #endif
6756 
6757 #ifdef FEAT_SPELL
6758     /*
6759      * "[s", "[S", "]s" and "]S": move to next spell error.
6760      */
6761     else if (cap->nchar == 's' || cap->nchar == 'S')
6762     {
6763 	setpcmark();
6764 	for (n = 0; n < cap->count1; ++n)
6765 	    if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6766 			  cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6767 	    {
6768 		clearopbeep(cap->oap);
6769 		break;
6770 	    }
6771 # ifdef FEAT_FOLDING
6772 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6773 	    foldOpenCursor();
6774 # endif
6775     }
6776 #endif
6777 
6778     /* Not a valid cap->nchar. */
6779     else
6780 	clearopbeep(cap->oap);
6781 }
6782 
6783 /*
6784  * Handle Normal mode "%" command.
6785  */
6786     static void
6787 nv_percent(cap)
6788     cmdarg_T	*cap;
6789 {
6790     pos_T	*pos;
6791 #if defined(FEAT_FOLDING)
6792     linenr_T	lnum = curwin->w_cursor.lnum;
6793 #endif
6794 
6795     cap->oap->inclusive = TRUE;
6796     if (cap->count0)	    /* {cnt}% : goto {cnt} percentage in file */
6797     {
6798 	if (cap->count0 > 100)
6799 	    clearopbeep(cap->oap);
6800 	else
6801 	{
6802 	    cap->oap->motion_type = MLINE;
6803 	    setpcmark();
6804 	    /* Round up, so CTRL-G will give same value.  Watch out for a
6805 	     * large line count, the line number must not go negative! */
6806 	    if (curbuf->b_ml.ml_line_count > 1000000)
6807 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6808 							 / 100L * cap->count0;
6809 	    else
6810 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6811 						    cap->count0 + 99L) / 100L;
6812 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6813 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6814 	    beginline(BL_SOL | BL_FIX);
6815 	}
6816     }
6817     else		    /* "%" : go to matching paren */
6818     {
6819 	cap->oap->motion_type = MCHAR;
6820 	cap->oap->use_reg_one = TRUE;
6821 	if ((pos = findmatch(cap->oap, NUL)) == NULL)
6822 	    clearopbeep(cap->oap);
6823 	else
6824 	{
6825 	    setpcmark();
6826 	    curwin->w_cursor = *pos;
6827 	    curwin->w_set_curswant = TRUE;
6828 #ifdef FEAT_VIRTUALEDIT
6829 	    curwin->w_cursor.coladd = 0;
6830 #endif
6831 #ifdef FEAT_VISUAL
6832 	    adjust_for_sel(cap);
6833 #endif
6834 	}
6835     }
6836 #ifdef FEAT_FOLDING
6837     if (cap->oap->op_type == OP_NOP
6838 	    && lnum != curwin->w_cursor.lnum
6839 	    && (fdo_flags & FDO_PERCENT)
6840 	    && KeyTyped)
6841 	foldOpenCursor();
6842 #endif
6843 }
6844 
6845 /*
6846  * Handle "(" and ")" commands.
6847  * cap->arg is BACKWARD for "(" and FORWARD for ")".
6848  */
6849     static void
6850 nv_brace(cap)
6851     cmdarg_T	*cap;
6852 {
6853     cap->oap->motion_type = MCHAR;
6854     cap->oap->use_reg_one = TRUE;
6855     /* The motion used to be inclusive for "(", but that is not what Vi does. */
6856     cap->oap->inclusive = FALSE;
6857     curwin->w_set_curswant = TRUE;
6858 
6859     if (findsent(cap->arg, cap->count1) == FAIL)
6860 	clearopbeep(cap->oap);
6861     else
6862     {
6863 	/* Don't leave the cursor on the NUL past end of line. */
6864 	adjust_cursor(cap->oap);
6865 #ifdef FEAT_VIRTUALEDIT
6866 	curwin->w_cursor.coladd = 0;
6867 #endif
6868 #ifdef FEAT_FOLDING
6869 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6870 	    foldOpenCursor();
6871 #endif
6872     }
6873 }
6874 
6875 /*
6876  * "m" command: Mark a position.
6877  */
6878     static void
6879 nv_mark(cap)
6880     cmdarg_T	*cap;
6881 {
6882     if (!checkclearop(cap->oap))
6883     {
6884 	if (setmark(cap->nchar) == FAIL)
6885 	    clearopbeep(cap->oap);
6886     }
6887 }
6888 
6889 /*
6890  * "{" and "}" commands.
6891  * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6892  */
6893     static void
6894 nv_findpar(cap)
6895     cmdarg_T	*cap;
6896 {
6897     cap->oap->motion_type = MCHAR;
6898     cap->oap->inclusive = FALSE;
6899     cap->oap->use_reg_one = TRUE;
6900     curwin->w_set_curswant = TRUE;
6901     if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6902 	clearopbeep(cap->oap);
6903     else
6904     {
6905 #ifdef FEAT_VIRTUALEDIT
6906 	curwin->w_cursor.coladd = 0;
6907 #endif
6908 #ifdef FEAT_FOLDING
6909 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6910 	    foldOpenCursor();
6911 #endif
6912     }
6913 }
6914 
6915 /*
6916  * "u" command: Undo or make lower case.
6917  */
6918     static void
6919 nv_undo(cap)
6920     cmdarg_T	*cap;
6921 {
6922     if (cap->oap->op_type == OP_LOWER
6923 #ifdef FEAT_VISUAL
6924 	    || VIsual_active
6925 #endif
6926 	    )
6927     {
6928 	/* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6929 	cap->cmdchar = 'g';
6930 	cap->nchar = 'u';
6931 	nv_operator(cap);
6932     }
6933     else
6934 	nv_kundo(cap);
6935 }
6936 
6937 /*
6938  * <Undo> command.
6939  */
6940     static void
6941 nv_kundo(cap)
6942     cmdarg_T	*cap;
6943 {
6944     if (!checkclearopq(cap->oap))
6945     {
6946 	u_undo((int)cap->count1);
6947 	curwin->w_set_curswant = TRUE;
6948     }
6949 }
6950 
6951 /*
6952  * Handle the "r" command.
6953  */
6954     static void
6955 nv_replace(cap)
6956     cmdarg_T	*cap;
6957 {
6958     char_u	*ptr;
6959     int		had_ctrl_v;
6960     long	n;
6961 
6962     if (checkclearop(cap->oap))
6963 	return;
6964 
6965     /* get another character */
6966     if (cap->nchar == Ctrl_V)
6967     {
6968 	had_ctrl_v = Ctrl_V;
6969 	cap->nchar = get_literal();
6970 	/* Don't redo a multibyte character with CTRL-V. */
6971 	if (cap->nchar > DEL)
6972 	    had_ctrl_v = NUL;
6973     }
6974     else
6975 	had_ctrl_v = NUL;
6976 
6977     /* Abort if the character is a special key. */
6978     if (IS_SPECIAL(cap->nchar))
6979     {
6980 	clearopbeep(cap->oap);
6981 	return;
6982     }
6983 
6984 #ifdef FEAT_VISUAL
6985     /* Visual mode "r" */
6986     if (VIsual_active)
6987     {
6988 	if (got_int)
6989 	    reset_VIsual();
6990 	nv_operator(cap);
6991 	return;
6992     }
6993 #endif
6994 
6995 #ifdef FEAT_VIRTUALEDIT
6996     /* Break tabs, etc. */
6997     if (virtual_active())
6998     {
6999 	if (u_save_cursor() == FAIL)
7000 	    return;
7001 	if (gchar_cursor() == NUL)
7002 	{
7003 	    /* Add extra space and put the cursor on the first one. */
7004 	    coladvance_force((colnr_T)(getviscol() + cap->count1));
7005 	    curwin->w_cursor.col -= cap->count1;
7006 	}
7007 	else if (gchar_cursor() == TAB)
7008 	    coladvance_force(getviscol());
7009     }
7010 #endif
7011 
7012     /* Abort if not enough characters to replace. */
7013     ptr = ml_get_cursor();
7014     if (STRLEN(ptr) < (unsigned)cap->count1
7015 #ifdef FEAT_MBYTE
7016 	    || (has_mbyte && mb_charlen(ptr) < cap->count1)
7017 #endif
7018 	    )
7019     {
7020 	clearopbeep(cap->oap);
7021 	return;
7022     }
7023 
7024     /*
7025      * Replacing with a TAB is done by edit() when it is complicated because
7026      * 'expandtab' or 'smarttab' is set.  CTRL-V TAB inserts a literal TAB.
7027      * Other characters are done below to avoid problems with things like
7028      * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
7029      */
7030     if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
7031     {
7032 	stuffnumReadbuff(cap->count1);
7033 	stuffcharReadbuff('R');
7034 	stuffcharReadbuff('\t');
7035 	stuffcharReadbuff(ESC);
7036 	return;
7037     }
7038 
7039     /* save line for undo */
7040     if (u_save_cursor() == FAIL)
7041 	return;
7042 
7043     if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
7044     {
7045 	/*
7046 	 * Replace character(s) by a single newline.
7047 	 * Strange vi behaviour: Only one newline is inserted.
7048 	 * Delete the characters here.
7049 	 * Insert the newline with an insert command, takes care of
7050 	 * autoindent.	The insert command depends on being on the last
7051 	 * character of a line or not.
7052 	 */
7053 #ifdef FEAT_MBYTE
7054 	(void)del_chars(cap->count1, FALSE);	/* delete the characters */
7055 #else
7056 	(void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
7057 #endif
7058 	stuffcharReadbuff('\r');
7059 	stuffcharReadbuff(ESC);
7060 
7061 	/* Give 'r' to edit(), to get the redo command right. */
7062 	invoke_edit(cap, TRUE, 'r', FALSE);
7063     }
7064     else
7065     {
7066 	prep_redo(cap->oap->regname, cap->count1,
7067 				       NUL, 'r', NUL, had_ctrl_v, cap->nchar);
7068 
7069 	curbuf->b_op_start = curwin->w_cursor;
7070 #ifdef FEAT_MBYTE
7071 	if (has_mbyte)
7072 	{
7073 	    int		old_State = State;
7074 
7075 	    if (cap->ncharC1 != 0)
7076 		AppendCharToRedobuff(cap->ncharC1);
7077 	    if (cap->ncharC2 != 0)
7078 		AppendCharToRedobuff(cap->ncharC2);
7079 
7080 	    /* This is slow, but it handles replacing a single-byte with a
7081 	     * multi-byte and the other way around.  Also handles adding
7082 	     * composing characters for utf-8. */
7083 	    for (n = cap->count1; n > 0; --n)
7084 	    {
7085 		State = REPLACE;
7086 		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
7087 		{
7088 		    int c = ins_copychar(curwin->w_cursor.lnum
7089 					   + (cap->nchar == Ctrl_Y ? -1 : 1));
7090 		    if (c != NUL)
7091 			ins_char(c);
7092 		    else
7093 			/* will be decremented further down */
7094 			++curwin->w_cursor.col;
7095 		}
7096 		else
7097 		    ins_char(cap->nchar);
7098 		State = old_State;
7099 		if (cap->ncharC1 != 0)
7100 		    ins_char(cap->ncharC1);
7101 		if (cap->ncharC2 != 0)
7102 		    ins_char(cap->ncharC2);
7103 	    }
7104 	}
7105 	else
7106 #endif
7107 	{
7108 	    /*
7109 	     * Replace the characters within one line.
7110 	     */
7111 	    for (n = cap->count1; n > 0; --n)
7112 	    {
7113 		/*
7114 		 * Get ptr again, because u_save and/or showmatch() will have
7115 		 * released the line.  At the same time we let know that the
7116 		 * line will be changed.
7117 		 */
7118 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
7119 		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
7120 		{
7121 		  int c = ins_copychar(curwin->w_cursor.lnum
7122 					   + (cap->nchar == Ctrl_Y ? -1 : 1));
7123 		  if (c != NUL)
7124 		    ptr[curwin->w_cursor.col] = c;
7125 		}
7126 		else
7127 		    ptr[curwin->w_cursor.col] = cap->nchar;
7128 		if (p_sm && msg_silent == 0)
7129 		    showmatch(cap->nchar);
7130 		++curwin->w_cursor.col;
7131 	    }
7132 #ifdef FEAT_NETBEANS_INTG
7133 	    if (netbeans_active())
7134 	    {
7135 		colnr_T  start = (colnr_T)(curwin->w_cursor.col - cap->count1);
7136 
7137 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
7138 							   (long)cap->count1);
7139 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
7140 					       &ptr[start], (int)cap->count1);
7141 	    }
7142 #endif
7143 
7144 	    /* mark the buffer as changed and prepare for displaying */
7145 	    changed_bytes(curwin->w_cursor.lnum,
7146 			       (colnr_T)(curwin->w_cursor.col - cap->count1));
7147 	}
7148 	--curwin->w_cursor.col;	    /* cursor on the last replaced char */
7149 #ifdef FEAT_MBYTE
7150 	/* if the character on the left of the current cursor is a multi-byte
7151 	 * character, move two characters left */
7152 	if (has_mbyte)
7153 	    mb_adjust_cursor();
7154 #endif
7155 	curbuf->b_op_end = curwin->w_cursor;
7156 	curwin->w_set_curswant = TRUE;
7157 	set_last_insert(cap->nchar);
7158     }
7159 }
7160 
7161 #ifdef FEAT_VISUAL
7162 /*
7163  * 'o': Exchange start and end of Visual area.
7164  * 'O': same, but in block mode exchange left and right corners.
7165  */
7166     static void
7167 v_swap_corners(cmdchar)
7168     int		cmdchar;
7169 {
7170     pos_T	old_cursor;
7171     colnr_T	left, right;
7172 
7173     if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
7174     {
7175 	old_cursor = curwin->w_cursor;
7176 	getvcols(curwin, &old_cursor, &VIsual, &left, &right);
7177 	curwin->w_cursor.lnum = VIsual.lnum;
7178 	coladvance(left);
7179 	VIsual = curwin->w_cursor;
7180 
7181 	curwin->w_cursor.lnum = old_cursor.lnum;
7182 	curwin->w_curswant = right;
7183 	/* 'selection "exclusive" and cursor at right-bottom corner: move it
7184 	 * right one column */
7185 	if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
7186 	    ++curwin->w_curswant;
7187 	coladvance(curwin->w_curswant);
7188 	if (curwin->w_cursor.col == old_cursor.col
7189 #ifdef FEAT_VIRTUALEDIT
7190 		&& (!virtual_active()
7191 		    || curwin->w_cursor.coladd == old_cursor.coladd)
7192 #endif
7193 		)
7194 	{
7195 	    curwin->w_cursor.lnum = VIsual.lnum;
7196 	    if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
7197 		++right;
7198 	    coladvance(right);
7199 	    VIsual = curwin->w_cursor;
7200 
7201 	    curwin->w_cursor.lnum = old_cursor.lnum;
7202 	    coladvance(left);
7203 	    curwin->w_curswant = left;
7204 	}
7205     }
7206     else
7207     {
7208 	old_cursor = curwin->w_cursor;
7209 	curwin->w_cursor = VIsual;
7210 	VIsual = old_cursor;
7211 	curwin->w_set_curswant = TRUE;
7212     }
7213 }
7214 #endif /* FEAT_VISUAL */
7215 
7216 /*
7217  * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
7218  */
7219     static void
7220 nv_Replace(cap)
7221     cmdarg_T	    *cap;
7222 {
7223 #ifdef FEAT_VISUAL
7224     if (VIsual_active)		/* "R" is replace lines */
7225     {
7226 	cap->cmdchar = 'c';
7227 	cap->nchar = NUL;
7228 	VIsual_mode = 'V';
7229 	nv_operator(cap);
7230     }
7231     else
7232 #endif
7233 	if (!checkclearopq(cap->oap))
7234     {
7235 	if (!curbuf->b_p_ma)
7236 	    EMSG(_(e_modifiable));
7237 	else
7238 	{
7239 #ifdef FEAT_VIRTUALEDIT
7240 	    if (virtual_active())
7241 		coladvance(getviscol());
7242 #endif
7243 	    invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
7244 	}
7245     }
7246 }
7247 
7248 #ifdef FEAT_VREPLACE
7249 /*
7250  * "gr".
7251  */
7252     static void
7253 nv_vreplace(cap)
7254     cmdarg_T	*cap;
7255 {
7256 # ifdef FEAT_VISUAL
7257     if (VIsual_active)
7258     {
7259 	cap->cmdchar = 'r';
7260 	cap->nchar = cap->extra_char;
7261 	nv_replace(cap);	/* Do same as "r" in Visual mode for now */
7262     }
7263     else
7264 # endif
7265 	if (!checkclearopq(cap->oap))
7266     {
7267 	if (!curbuf->b_p_ma)
7268 	    EMSG(_(e_modifiable));
7269 	else
7270 	{
7271 	    if (cap->extra_char == Ctrl_V)	/* get another character */
7272 		cap->extra_char = get_literal();
7273 	    stuffcharReadbuff(cap->extra_char);
7274 	    stuffcharReadbuff(ESC);
7275 # ifdef FEAT_VIRTUALEDIT
7276 	    if (virtual_active())
7277 		coladvance(getviscol());
7278 # endif
7279 	    invoke_edit(cap, TRUE, 'v', FALSE);
7280 	}
7281     }
7282 }
7283 #endif
7284 
7285 /*
7286  * Swap case for "~" command, when it does not work like an operator.
7287  */
7288     static void
7289 n_swapchar(cap)
7290     cmdarg_T	*cap;
7291 {
7292     long	n;
7293     pos_T	startpos;
7294     int		did_change = 0;
7295 #ifdef FEAT_NETBEANS_INTG
7296     pos_T	pos;
7297     char_u	*ptr;
7298     int		count;
7299 #endif
7300 
7301     if (checkclearopq(cap->oap))
7302 	return;
7303 
7304     if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
7305     {
7306 	clearopbeep(cap->oap);
7307 	return;
7308     }
7309 
7310     prep_redo_cmd(cap);
7311 
7312     if (u_save_cursor() == FAIL)
7313 	return;
7314 
7315     startpos = curwin->w_cursor;
7316 #ifdef FEAT_NETBEANS_INTG
7317     pos = startpos;
7318 #endif
7319     for (n = cap->count1; n > 0; --n)
7320     {
7321 	did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
7322 	inc_cursor();
7323 	if (gchar_cursor() == NUL)
7324 	{
7325 	    if (vim_strchr(p_ww, '~') != NULL
7326 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
7327 	    {
7328 #ifdef FEAT_NETBEANS_INTG
7329 		if (netbeans_active())
7330 		{
7331 		    if (did_change)
7332 		    {
7333 			ptr = ml_get(pos.lnum);
7334 			count = (int)STRLEN(ptr) - pos.col;
7335 			netbeans_removed(curbuf, pos.lnum, pos.col,
7336 								 (long)count);
7337 			netbeans_inserted(curbuf, pos.lnum, pos.col,
7338 							&ptr[pos.col], count);
7339 		    }
7340 		    pos.col = 0;
7341 		    pos.lnum++;
7342 		}
7343 #endif
7344 		++curwin->w_cursor.lnum;
7345 		curwin->w_cursor.col = 0;
7346 		if (n > 1)
7347 		{
7348 		    if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7349 			break;
7350 		    u_clearline();
7351 		}
7352 	    }
7353 	    else
7354 		break;
7355 	}
7356     }
7357 #ifdef FEAT_NETBEANS_INTG
7358     if (did_change && netbeans_active())
7359     {
7360 	ptr = ml_get(pos.lnum);
7361 	count = curwin->w_cursor.col - pos.col;
7362 	netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7363 	netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7364     }
7365 #endif
7366 
7367 
7368     check_cursor();
7369     curwin->w_set_curswant = TRUE;
7370     if (did_change)
7371     {
7372 	changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7373 									  0L);
7374 	curbuf->b_op_start = startpos;
7375 	curbuf->b_op_end = curwin->w_cursor;
7376 	if (curbuf->b_op_end.col > 0)
7377 	    --curbuf->b_op_end.col;
7378     }
7379 }
7380 
7381 /*
7382  * Move cursor to mark.
7383  */
7384     static void
7385 nv_cursormark(cap, flag, pos)
7386     cmdarg_T	*cap;
7387     int		flag;
7388     pos_T	*pos;
7389 {
7390     if (check_mark(pos) == FAIL)
7391 	clearop(cap->oap);
7392     else
7393     {
7394 	if (cap->cmdchar == '\''
7395 		|| cap->cmdchar == '`'
7396 		|| cap->cmdchar == '['
7397 		|| cap->cmdchar == ']')
7398 	    setpcmark();
7399 	curwin->w_cursor = *pos;
7400 	if (flag)
7401 	    beginline(BL_WHITE | BL_FIX);
7402 	else
7403 	    check_cursor();
7404     }
7405     cap->oap->motion_type = flag ? MLINE : MCHAR;
7406     if (cap->cmdchar == '`')
7407 	cap->oap->use_reg_one = TRUE;
7408     cap->oap->inclusive = FALSE;		/* ignored if not MCHAR */
7409     curwin->w_set_curswant = TRUE;
7410 }
7411 
7412 #ifdef FEAT_VISUAL
7413 /*
7414  * Handle commands that are operators in Visual mode.
7415  */
7416     static void
7417 v_visop(cap)
7418     cmdarg_T	*cap;
7419 {
7420     static char_u trans[] = "YyDdCcxdXdAAIIrr";
7421 
7422     /* Uppercase means linewise, except in block mode, then "D" deletes till
7423      * the end of the line, and "C" replaces til EOL */
7424     if (isupper(cap->cmdchar))
7425     {
7426 	if (VIsual_mode != Ctrl_V)
7427 	    VIsual_mode = 'V';
7428 	else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7429 	    curwin->w_curswant = MAXCOL;
7430     }
7431     cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7432     nv_operator(cap);
7433 }
7434 #endif
7435 
7436 /*
7437  * "s" and "S" commands.
7438  */
7439     static void
7440 nv_subst(cap)
7441     cmdarg_T	*cap;
7442 {
7443 #ifdef FEAT_VISUAL
7444     if (VIsual_active)	/* "vs" and "vS" are the same as "vc" */
7445     {
7446 	if (cap->cmdchar == 'S')
7447 	    VIsual_mode = 'V';
7448 	cap->cmdchar = 'c';
7449 	nv_operator(cap);
7450     }
7451     else
7452 #endif
7453 	nv_optrans(cap);
7454 }
7455 
7456 /*
7457  * Abbreviated commands.
7458  */
7459     static void
7460 nv_abbrev(cap)
7461     cmdarg_T	*cap;
7462 {
7463     if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7464 	cap->cmdchar = 'x';		/* DEL key behaves like 'x' */
7465 
7466 #ifdef FEAT_VISUAL
7467     /* in Visual mode these commands are operators */
7468     if (VIsual_active)
7469 	v_visop(cap);
7470     else
7471 #endif
7472 	nv_optrans(cap);
7473 }
7474 
7475 /*
7476  * Translate a command into another command.
7477  */
7478     static void
7479 nv_optrans(cap)
7480     cmdarg_T	*cap;
7481 {
7482     static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7483 			      (char_u *)"d$", (char_u *)"c$",
7484 			      (char_u *)"cl", (char_u *)"cc",
7485 			      (char_u *)"yy", (char_u *)":s\r"};
7486     static char_u *str = (char_u *)"xXDCsSY&";
7487 
7488     if (!checkclearopq(cap->oap))
7489     {
7490 	/* In Vi "2D" doesn't delete the next line.  Can't translate it
7491 	 * either, because "2." should also not use the count. */
7492 	if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7493 	{
7494 	    cap->oap->start = curwin->w_cursor;
7495 	    cap->oap->op_type = OP_DELETE;
7496 #ifdef FEAT_EVAL
7497 	    set_op_var(OP_DELETE);
7498 #endif
7499 	    cap->count1 = 1;
7500 	    nv_dollar(cap);
7501 	    finish_op = TRUE;
7502 	    ResetRedobuff();
7503 	    AppendCharToRedobuff('D');
7504 	}
7505 	else
7506 	{
7507 	    if (cap->count0)
7508 		stuffnumReadbuff(cap->count0);
7509 	    stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7510 	}
7511     }
7512     cap->opcount = 0;
7513 }
7514 
7515 /*
7516  * "'" and "`" commands.  Also for "g'" and "g`".
7517  * cap->arg is TRUE for "'" and "g'".
7518  */
7519     static void
7520 nv_gomark(cap)
7521     cmdarg_T	*cap;
7522 {
7523     pos_T	*pos;
7524     int		c;
7525 #ifdef FEAT_FOLDING
7526     linenr_T	lnum = curwin->w_cursor.lnum;
7527     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7528 #endif
7529 
7530     if (cap->cmdchar == 'g')
7531 	c = cap->extra_char;
7532     else
7533 	c = cap->nchar;
7534     pos = getmark(c, (cap->oap->op_type == OP_NOP));
7535     if (pos == (pos_T *)-1)	    /* jumped to other file */
7536     {
7537 	if (cap->arg)
7538 	{
7539 	    check_cursor_lnum();
7540 	    beginline(BL_WHITE | BL_FIX);
7541 	}
7542 	else
7543 	    check_cursor();
7544     }
7545     else
7546 	nv_cursormark(cap, cap->arg, pos);
7547 
7548 #ifdef FEAT_VIRTUALEDIT
7549     /* May need to clear the coladd that a mark includes. */
7550     if (!virtual_active())
7551 	curwin->w_cursor.coladd = 0;
7552 #endif
7553 #ifdef FEAT_FOLDING
7554     if (cap->oap->op_type == OP_NOP
7555 	    && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7556 	    && (fdo_flags & FDO_MARK)
7557 	    && old_KeyTyped)
7558 	foldOpenCursor();
7559 #endif
7560 }
7561 
7562 /*
7563  * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7564  */
7565     static void
7566 nv_pcmark(cap)
7567     cmdarg_T	*cap;
7568 {
7569 #ifdef FEAT_JUMPLIST
7570     pos_T	*pos;
7571 # ifdef FEAT_FOLDING
7572     linenr_T	lnum = curwin->w_cursor.lnum;
7573     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7574 # endif
7575 
7576     if (!checkclearopq(cap->oap))
7577     {
7578 	if (cap->cmdchar == 'g')
7579 	    pos = movechangelist((int)cap->count1);
7580 	else
7581 	    pos = movemark((int)cap->count1);
7582 	if (pos == (pos_T *)-1)		/* jump to other file */
7583 	{
7584 	    curwin->w_set_curswant = TRUE;
7585 	    check_cursor();
7586 	}
7587 	else if (pos != NULL)		    /* can jump */
7588 	    nv_cursormark(cap, FALSE, pos);
7589 	else if (cap->cmdchar == 'g')
7590 	{
7591 	    if (curbuf->b_changelistlen == 0)
7592 		EMSG(_("E664: changelist is empty"));
7593 	    else if (cap->count1 < 0)
7594 		EMSG(_("E662: At start of changelist"));
7595 	    else
7596 		EMSG(_("E663: At end of changelist"));
7597 	}
7598 	else
7599 	    clearopbeep(cap->oap);
7600 # ifdef FEAT_FOLDING
7601 	if (cap->oap->op_type == OP_NOP
7602 		&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7603 		&& (fdo_flags & FDO_MARK)
7604 		&& old_KeyTyped)
7605 	    foldOpenCursor();
7606 # endif
7607     }
7608 #else
7609     clearopbeep(cap->oap);
7610 #endif
7611 }
7612 
7613 /*
7614  * Handle '"' command.
7615  */
7616     static void
7617 nv_regname(cap)
7618     cmdarg_T	*cap;
7619 {
7620     if (checkclearop(cap->oap))
7621 	return;
7622 #ifdef FEAT_EVAL
7623     if (cap->nchar == '=')
7624 	cap->nchar = get_expr_register();
7625 #endif
7626     if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7627     {
7628 	cap->oap->regname = cap->nchar;
7629 	cap->opcount = cap->count0;	/* remember count before '"' */
7630 #ifdef FEAT_EVAL
7631 	set_reg_var(cap->oap->regname);
7632 #endif
7633     }
7634     else
7635 	clearopbeep(cap->oap);
7636 }
7637 
7638 #ifdef FEAT_VISUAL
7639 /*
7640  * Handle "v", "V" and "CTRL-V" commands.
7641  * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7642  * is TRUE.
7643  * Handle CTRL-Q just like CTRL-V.
7644  */
7645     static void
7646 nv_visual(cap)
7647     cmdarg_T	*cap;
7648 {
7649     if (cap->cmdchar == Ctrl_Q)
7650 	cap->cmdchar = Ctrl_V;
7651 
7652     /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7653      * characterwise, linewise, or blockwise. */
7654     if (cap->oap->op_type != OP_NOP)
7655     {
7656 	cap->oap->motion_force = cap->cmdchar;
7657 	finish_op = FALSE;	/* operator doesn't finish now but later */
7658 	return;
7659     }
7660 
7661     VIsual_select = cap->arg;
7662     if (VIsual_active)	    /* change Visual mode */
7663     {
7664 	if (VIsual_mode == cap->cmdchar)    /* stop visual mode */
7665 	    end_visual_mode();
7666 	else				    /* toggle char/block mode */
7667 	{				    /*	   or char/line mode */
7668 	    VIsual_mode = cap->cmdchar;
7669 	    showmode();
7670 	}
7671 	redraw_curbuf_later(INVERTED);	    /* update the inversion */
7672     }
7673     else		    /* start Visual mode */
7674     {
7675 	check_visual_highlight();
7676 	if (cap->count0 > 0 && resel_VIsual_mode != NUL)
7677 	{
7678 	    /* use previously selected part */
7679 	    VIsual = curwin->w_cursor;
7680 
7681 	    VIsual_active = TRUE;
7682 	    VIsual_reselect = TRUE;
7683 	    if (!cap->arg)
7684 		/* start Select mode when 'selectmode' contains "cmd" */
7685 		may_start_select('c');
7686 #ifdef FEAT_MOUSE
7687 	    setmouse();
7688 #endif
7689 	    if (p_smd && msg_silent == 0)
7690 		redraw_cmdline = TRUE;	    /* show visual mode later */
7691 	    /*
7692 	     * For V and ^V, we multiply the number of lines even if there
7693 	     * was only one -- webb
7694 	     */
7695 	    if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7696 	    {
7697 		curwin->w_cursor.lnum +=
7698 				    resel_VIsual_line_count * cap->count0 - 1;
7699 		if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7700 		    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7701 	    }
7702 	    VIsual_mode = resel_VIsual_mode;
7703 	    if (VIsual_mode == 'v')
7704 	    {
7705 		if (resel_VIsual_line_count <= 1)
7706 		{
7707 		    validate_virtcol();
7708 		    curwin->w_curswant = curwin->w_virtcol
7709 					+ resel_VIsual_vcol * cap->count0 - 1;
7710 		}
7711 		else
7712 		    curwin->w_curswant = resel_VIsual_vcol;
7713 		coladvance(curwin->w_curswant);
7714 	    }
7715 	    if (resel_VIsual_vcol == MAXCOL)
7716 	    {
7717 		curwin->w_curswant = MAXCOL;
7718 		coladvance((colnr_T)MAXCOL);
7719 	    }
7720 	    else if (VIsual_mode == Ctrl_V)
7721 	    {
7722 		validate_virtcol();
7723 		curwin->w_curswant = curwin->w_virtcol
7724 					+ resel_VIsual_vcol * cap->count0 - 1;
7725 		coladvance(curwin->w_curswant);
7726 	    }
7727 	    else
7728 		curwin->w_set_curswant = TRUE;
7729 	    redraw_curbuf_later(INVERTED);	/* show the inversion */
7730 	}
7731 	else
7732 	{
7733 	    if (!cap->arg)
7734 		/* start Select mode when 'selectmode' contains "cmd" */
7735 		may_start_select('c');
7736 	    n_start_visual_mode(cap->cmdchar);
7737 	    if (VIsual_mode != 'V' && *p_sel == 'e')
7738 		++cap->count1;  /* include one more char */
7739 	    if (cap->count0 > 0 && --cap->count1 > 0)
7740 	    {
7741 		/* With a count select that many characters or lines. */
7742 		if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V)
7743 		    nv_right(cap);
7744 		else if (VIsual_mode == 'V')
7745 		    nv_down(cap);
7746 	    }
7747 	}
7748     }
7749 }
7750 
7751 /*
7752  * Start selection for Shift-movement keys.
7753  */
7754     void
7755 start_selection()
7756 {
7757     /* if 'selectmode' contains "key", start Select mode */
7758     may_start_select('k');
7759     n_start_visual_mode('v');
7760 }
7761 
7762 /*
7763  * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7764  */
7765     void
7766 may_start_select(c)
7767     int		c;
7768 {
7769     VIsual_select = (stuff_empty() && typebuf_typed()
7770 		    && (vim_strchr(p_slm, c) != NULL));
7771 }
7772 
7773 /*
7774  * Start Visual mode "c".
7775  * Should set VIsual_select before calling this.
7776  */
7777     static void
7778 n_start_visual_mode(c)
7779     int		c;
7780 {
7781 #ifdef FEAT_CONCEAL
7782     /* Check for redraw before changing the state. */
7783     conceal_check_cursur_line();
7784 #endif
7785 
7786     VIsual_mode = c;
7787     VIsual_active = TRUE;
7788     VIsual_reselect = TRUE;
7789 #ifdef FEAT_VIRTUALEDIT
7790     /* Corner case: the 0 position in a tab may change when going into
7791      * virtualedit.  Recalculate curwin->w_cursor to avoid bad hilighting.
7792      */
7793     if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7794     {
7795 	validate_virtcol();
7796 	coladvance(curwin->w_virtcol);
7797     }
7798 #endif
7799     VIsual = curwin->w_cursor;
7800 
7801 #ifdef FEAT_FOLDING
7802     foldAdjustVisual();
7803 #endif
7804 
7805 #ifdef FEAT_MOUSE
7806     setmouse();
7807 #endif
7808 #ifdef FEAT_CONCEAL
7809     /* Check for redraw after changing the state. */
7810     conceal_check_cursur_line();
7811 #endif
7812 
7813     if (p_smd && msg_silent == 0)
7814 	redraw_cmdline = TRUE;	/* show visual mode later */
7815 #ifdef FEAT_CLIPBOARD
7816     /* Make sure the clipboard gets updated.  Needed because start and
7817      * end may still be the same, and the selection needs to be owned */
7818     clip_star.vmode = NUL;
7819 #endif
7820 
7821     /* Only need to redraw this line, unless still need to redraw an old
7822      * Visual area (when 'lazyredraw' is set). */
7823     if (curwin->w_redr_type < INVERTED)
7824     {
7825 	curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7826 	curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7827     }
7828 }
7829 
7830 #endif /* FEAT_VISUAL */
7831 
7832 /*
7833  * CTRL-W: Window commands
7834  */
7835     static void
7836 nv_window(cap)
7837     cmdarg_T	*cap;
7838 {
7839 #ifdef FEAT_WINDOWS
7840     if (!checkclearop(cap->oap))
7841 	do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7842 #else
7843     (void)checkclearop(cap->oap);
7844 #endif
7845 }
7846 
7847 /*
7848  * CTRL-Z: Suspend
7849  */
7850     static void
7851 nv_suspend(cap)
7852     cmdarg_T	*cap;
7853 {
7854     clearop(cap->oap);
7855 #ifdef FEAT_VISUAL
7856     if (VIsual_active)
7857 	end_visual_mode();		/* stop Visual mode */
7858 #endif
7859     do_cmdline_cmd((char_u *)"st");
7860 }
7861 
7862 /*
7863  * Commands starting with "g".
7864  */
7865     static void
7866 nv_g_cmd(cap)
7867     cmdarg_T	*cap;
7868 {
7869     oparg_T	*oap = cap->oap;
7870 #ifdef FEAT_VISUAL
7871     pos_T	tpos;
7872 #endif
7873     int		i;
7874     int		flag = FALSE;
7875 
7876     switch (cap->nchar)
7877     {
7878 #ifdef MEM_PROFILE
7879     /*
7880      * "g^A": dump log of used memory.
7881      */
7882     case Ctrl_A:
7883 	vim_mem_profile_dump();
7884 	break;
7885 #endif
7886 
7887 #ifdef FEAT_VREPLACE
7888     /*
7889      * "gR": Enter virtual replace mode.
7890      */
7891     case 'R':
7892 	cap->arg = TRUE;
7893 	nv_Replace(cap);
7894 	break;
7895 
7896     case 'r':
7897 	nv_vreplace(cap);
7898 	break;
7899 #endif
7900 
7901     case '&':
7902 	do_cmdline_cmd((char_u *)"%s//~/&");
7903 	break;
7904 
7905 #ifdef FEAT_VISUAL
7906     /*
7907      * "gv": Reselect the previous Visual area.  If Visual already active,
7908      *	     exchange previous and current Visual area.
7909      */
7910     case 'v':
7911 	if (checkclearop(oap))
7912 	    break;
7913 
7914 	if (	   curbuf->b_visual.vi_start.lnum == 0
7915 		|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7916 		|| curbuf->b_visual.vi_end.lnum == 0)
7917 	    beep_flush();
7918 	else
7919 	{
7920 	    /* set w_cursor to the start of the Visual area, tpos to the end */
7921 	    if (VIsual_active)
7922 	    {
7923 		i = VIsual_mode;
7924 		VIsual_mode = curbuf->b_visual.vi_mode;
7925 		curbuf->b_visual.vi_mode = i;
7926 # ifdef FEAT_EVAL
7927 		curbuf->b_visual_mode_eval = i;
7928 # endif
7929 		i = curwin->w_curswant;
7930 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7931 		curbuf->b_visual.vi_curswant = i;
7932 
7933 		tpos = curbuf->b_visual.vi_end;
7934 		curbuf->b_visual.vi_end = curwin->w_cursor;
7935 		curwin->w_cursor = curbuf->b_visual.vi_start;
7936 		curbuf->b_visual.vi_start = VIsual;
7937 	    }
7938 	    else
7939 	    {
7940 		VIsual_mode = curbuf->b_visual.vi_mode;
7941 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7942 		tpos = curbuf->b_visual.vi_end;
7943 		curwin->w_cursor = curbuf->b_visual.vi_start;
7944 	    }
7945 
7946 	    VIsual_active = TRUE;
7947 	    VIsual_reselect = TRUE;
7948 
7949 	    /* Set Visual to the start and w_cursor to the end of the Visual
7950 	     * area.  Make sure they are on an existing character. */
7951 	    check_cursor();
7952 	    VIsual = curwin->w_cursor;
7953 	    curwin->w_cursor = tpos;
7954 	    check_cursor();
7955 	    update_topline();
7956 	    /*
7957 	     * When called from normal "g" command: start Select mode when
7958 	     * 'selectmode' contains "cmd".  When called for K_SELECT, always
7959 	     * start Select mode.
7960 	     */
7961 	    if (cap->arg)
7962 		VIsual_select = TRUE;
7963 	    else
7964 		may_start_select('c');
7965 #ifdef FEAT_MOUSE
7966 	    setmouse();
7967 #endif
7968 #ifdef FEAT_CLIPBOARD
7969 	    /* Make sure the clipboard gets updated.  Needed because start and
7970 	     * end are still the same, and the selection needs to be owned */
7971 	    clip_star.vmode = NUL;
7972 #endif
7973 	    redraw_curbuf_later(INVERTED);
7974 	    showmode();
7975 	}
7976 	break;
7977     /*
7978      * "gV": Don't reselect the previous Visual area after a Select mode
7979      *	     mapping of menu.
7980      */
7981     case 'V':
7982 	VIsual_reselect = FALSE;
7983 	break;
7984 
7985     /*
7986      * "gh":  start Select mode.
7987      * "gH":  start Select line mode.
7988      * "g^H": start Select block mode.
7989      */
7990     case K_BS:
7991 	cap->nchar = Ctrl_H;
7992 	/* FALLTHROUGH */
7993     case 'h':
7994     case 'H':
7995     case Ctrl_H:
7996 # ifdef EBCDIC
7997 	/* EBCDIC: 'v'-'h' != '^v'-'^h' */
7998 	if (cap->nchar == Ctrl_H)
7999 	    cap->cmdchar = Ctrl_V;
8000 	else
8001 # endif
8002 	cap->cmdchar = cap->nchar + ('v' - 'h');
8003 	cap->arg = TRUE;
8004 	nv_visual(cap);
8005 	break;
8006 #endif /* FEAT_VISUAL */
8007 
8008     /* "gn", "gN" visually select next/previous search match
8009      * "gn" selects next match
8010      * "gN" selects previous match
8011      */
8012     case 'N':
8013     case 'n':
8014 #ifdef FEAT_VISUAL
8015 	if (!current_search(cap->count1, cap->nchar == 'n'))
8016 #endif
8017 	    clearopbeep(oap);
8018 	break;
8019 
8020     /*
8021      * "gj" and "gk" two new funny movement keys -- up and down
8022      * movement based on *screen* line rather than *file* line.
8023      */
8024     case 'j':
8025     case K_DOWN:
8026 	/* with 'nowrap' it works just like the normal "j" command; also when
8027 	 * in a closed fold */
8028 	if (!curwin->w_p_wrap
8029 #ifdef FEAT_FOLDING
8030 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
8031 #endif
8032 		)
8033 	{
8034 	    oap->motion_type = MLINE;
8035 	    i = cursor_down(cap->count1, oap->op_type == OP_NOP);
8036 	}
8037 	else
8038 	    i = nv_screengo(oap, FORWARD, cap->count1);
8039 	if (i == FAIL)
8040 	    clearopbeep(oap);
8041 	break;
8042 
8043     case 'k':
8044     case K_UP:
8045 	/* with 'nowrap' it works just like the normal "k" command; also when
8046 	 * in a closed fold */
8047 	if (!curwin->w_p_wrap
8048 #ifdef FEAT_FOLDING
8049 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
8050 #endif
8051 	   )
8052 	{
8053 	    oap->motion_type = MLINE;
8054 	    i = cursor_up(cap->count1, oap->op_type == OP_NOP);
8055 	}
8056 	else
8057 	    i = nv_screengo(oap, BACKWARD, cap->count1);
8058 	if (i == FAIL)
8059 	    clearopbeep(oap);
8060 	break;
8061 
8062     /*
8063      * "gJ": join two lines without inserting a space.
8064      */
8065     case 'J':
8066 	nv_join(cap);
8067 	break;
8068 
8069     /*
8070      * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
8071      * "gm": middle of "g0" and "g$".
8072      */
8073     case '^':
8074 	flag = TRUE;
8075 	/* FALLTHROUGH */
8076 
8077     case '0':
8078     case 'm':
8079     case K_HOME:
8080     case K_KHOME:
8081 	oap->motion_type = MCHAR;
8082 	oap->inclusive = FALSE;
8083 	if (curwin->w_p_wrap
8084 #ifdef FEAT_VERTSPLIT
8085 		&& curwin->w_width != 0
8086 #endif
8087 		)
8088 	{
8089 	    int		width1 = W_WIDTH(curwin) - curwin_col_off();
8090 	    int		width2 = width1 + curwin_col_off2();
8091 
8092 	    validate_virtcol();
8093 	    i = 0;
8094 	    if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
8095 		i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
8096 	}
8097 	else
8098 	    i = curwin->w_leftcol;
8099 	/* Go to the middle of the screen line.  When 'number' or
8100 	 * 'relativenumber' is on and lines are wrapping the middle can be more
8101 	 * to the left. */
8102 	if (cap->nchar == 'm')
8103 	    i += (W_WIDTH(curwin) - curwin_col_off()
8104 		    + ((curwin->w_p_wrap && i > 0)
8105 			? curwin_col_off2() : 0)) / 2;
8106 	coladvance((colnr_T)i);
8107 	if (flag)
8108 	{
8109 	    do
8110 		i = gchar_cursor();
8111 	    while (vim_iswhite(i) && oneright() == OK);
8112 	}
8113 	curwin->w_set_curswant = TRUE;
8114 	break;
8115 
8116     case '_':
8117 	/* "g_": to the last non-blank character in the line or <count> lines
8118 	 * downward. */
8119 	cap->oap->motion_type = MCHAR;
8120 	cap->oap->inclusive = TRUE;
8121 	curwin->w_curswant = MAXCOL;
8122 	if (cursor_down((long)(cap->count1 - 1),
8123 					 cap->oap->op_type == OP_NOP) == FAIL)
8124 	    clearopbeep(cap->oap);
8125 	else
8126 	{
8127 	    char_u  *ptr = ml_get_curline();
8128 
8129 	    /* In Visual mode we may end up after the line. */
8130 	    if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
8131 		--curwin->w_cursor.col;
8132 
8133 	    /* Decrease the cursor column until it's on a non-blank. */
8134 	    while (curwin->w_cursor.col > 0
8135 				    && vim_iswhite(ptr[curwin->w_cursor.col]))
8136 		--curwin->w_cursor.col;
8137 	    curwin->w_set_curswant = TRUE;
8138 #ifdef FEAT_VISUAL
8139 	    adjust_for_sel(cap);
8140 #endif
8141 	}
8142 	break;
8143 
8144     case '$':
8145     case K_END:
8146     case K_KEND:
8147 	{
8148 	    int col_off = curwin_col_off();
8149 
8150 	    oap->motion_type = MCHAR;
8151 	    oap->inclusive = TRUE;
8152 	    if (curwin->w_p_wrap
8153 #ifdef FEAT_VERTSPLIT
8154 		    && curwin->w_width != 0
8155 #endif
8156 	       )
8157 	    {
8158 		curwin->w_curswant = MAXCOL;    /* so we stay at the end */
8159 		if (cap->count1 == 1)
8160 		{
8161 		    int		width1 = W_WIDTH(curwin) - col_off;
8162 		    int		width2 = width1 + curwin_col_off2();
8163 
8164 		    validate_virtcol();
8165 		    i = width1 - 1;
8166 		    if (curwin->w_virtcol >= (colnr_T)width1)
8167 			i += ((curwin->w_virtcol - width1) / width2 + 1)
8168 								     * width2;
8169 		    coladvance((colnr_T)i);
8170 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
8171 		    if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
8172 		    {
8173 			/*
8174 			 * Check for landing on a character that got split at
8175 			 * the end of the line.  We do not want to advance to
8176 			 * the next screen line.
8177 			 */
8178 			validate_virtcol();
8179 			if (curwin->w_virtcol > (colnr_T)i)
8180 			    --curwin->w_cursor.col;
8181 		    }
8182 #endif
8183 		}
8184 		else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
8185 		    clearopbeep(oap);
8186 	    }
8187 	    else
8188 	    {
8189 		i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
8190 		coladvance((colnr_T)i);
8191 
8192 		/* Make sure we stick in this column. */
8193 		validate_virtcol();
8194 		curwin->w_curswant = curwin->w_virtcol;
8195 		curwin->w_set_curswant = FALSE;
8196 	    }
8197 	}
8198 	break;
8199 
8200     /*
8201      * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
8202      */
8203     case '*':
8204     case '#':
8205 #if POUND != '#'
8206     case POUND:		/* pound sign (sometimes equal to '#') */
8207 #endif
8208     case Ctrl_RSB:		/* :tag or :tselect for current identifier */
8209     case ']':			/* :tselect for current identifier */
8210 	nv_ident(cap);
8211 	break;
8212 
8213     /*
8214      * ge and gE: go back to end of word
8215      */
8216     case 'e':
8217     case 'E':
8218 	oap->motion_type = MCHAR;
8219 	curwin->w_set_curswant = TRUE;
8220 	oap->inclusive = TRUE;
8221 	if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
8222 	    clearopbeep(oap);
8223 	break;
8224 
8225     /*
8226      * "g CTRL-G": display info about cursor position
8227      */
8228     case Ctrl_G:
8229 	cursor_pos_info();
8230 	break;
8231 
8232     /*
8233      * "gi": start Insert at the last position.
8234      */
8235     case 'i':
8236 	if (curbuf->b_last_insert.lnum != 0)
8237 	{
8238 	    curwin->w_cursor = curbuf->b_last_insert;
8239 	    check_cursor_lnum();
8240 	    i = (int)STRLEN(ml_get_curline());
8241 	    if (curwin->w_cursor.col > (colnr_T)i)
8242 	    {
8243 #ifdef FEAT_VIRTUALEDIT
8244 		if (virtual_active())
8245 		    curwin->w_cursor.coladd += curwin->w_cursor.col - i;
8246 #endif
8247 		curwin->w_cursor.col = i;
8248 	    }
8249 	}
8250 	cap->cmdchar = 'i';
8251 	nv_edit(cap);
8252 	break;
8253 
8254     /*
8255      * "gI": Start insert in column 1.
8256      */
8257     case 'I':
8258 	beginline(0);
8259 	if (!checkclearopq(oap))
8260 	    invoke_edit(cap, FALSE, 'g', FALSE);
8261 	break;
8262 
8263 #ifdef FEAT_SEARCHPATH
8264     /*
8265      * "gf": goto file, edit file under cursor
8266      * "]f" and "[f": can also be used.
8267      */
8268     case 'f':
8269     case 'F':
8270 	nv_gotofile(cap);
8271 	break;
8272 #endif
8273 
8274 	/* "g'm" and "g`m": jump to mark without setting pcmark */
8275     case '\'':
8276 	cap->arg = TRUE;
8277 	/*FALLTHROUGH*/
8278     case '`':
8279 	nv_gomark(cap);
8280 	break;
8281 
8282     /*
8283      * "gs": Goto sleep.
8284      */
8285     case 's':
8286 	do_sleep(cap->count1 * 1000L);
8287 	break;
8288 
8289     /*
8290      * "ga": Display the ascii value of the character under the
8291      * cursor.	It is displayed in decimal, hex, and octal. -- webb
8292      */
8293     case 'a':
8294 	do_ascii(NULL);
8295 	break;
8296 
8297 #ifdef FEAT_MBYTE
8298     /*
8299      * "g8": Display the bytes used for the UTF-8 character under the
8300      * cursor.	It is displayed in hex.
8301      * "8g8" finds illegal byte sequence.
8302      */
8303     case '8':
8304 	if (cap->count0 == 8)
8305 	    utf_find_illegal();
8306 	else
8307 	    show_utf8();
8308 	break;
8309 #endif
8310 
8311     case '<':
8312 	show_sb_text();
8313 	break;
8314 
8315     /*
8316      * "gg": Goto the first line in file.  With a count it goes to
8317      * that line number like for "G". -- webb
8318      */
8319     case 'g':
8320 	cap->arg = FALSE;
8321 	nv_goto(cap);
8322 	break;
8323 
8324     /*
8325      *	 Two-character operators:
8326      *	 "gq"	    Format text
8327      *	 "gw"	    Format text and keep cursor position
8328      *	 "g~"	    Toggle the case of the text.
8329      *	 "gu"	    Change text to lower case.
8330      *	 "gU"	    Change text to upper case.
8331      *   "g?"	    rot13 encoding
8332      *   "g@"	    call 'operatorfunc'
8333      */
8334     case 'q':
8335     case 'w':
8336 	oap->cursor_start = curwin->w_cursor;
8337 	/*FALLTHROUGH*/
8338     case '~':
8339     case 'u':
8340     case 'U':
8341     case '?':
8342     case '@':
8343 	nv_operator(cap);
8344 	break;
8345 
8346     /*
8347      * "gd": Find first occurrence of pattern under the cursor in the
8348      *	 current function
8349      * "gD": idem, but in the current file.
8350      */
8351     case 'd':
8352     case 'D':
8353 	nv_gd(oap, cap->nchar, (int)cap->count0);
8354 	break;
8355 
8356 #ifdef FEAT_MOUSE
8357     /*
8358      * g<*Mouse> : <C-*mouse>
8359      */
8360     case K_MIDDLEMOUSE:
8361     case K_MIDDLEDRAG:
8362     case K_MIDDLERELEASE:
8363     case K_LEFTMOUSE:
8364     case K_LEFTDRAG:
8365     case K_LEFTRELEASE:
8366     case K_RIGHTMOUSE:
8367     case K_RIGHTDRAG:
8368     case K_RIGHTRELEASE:
8369     case K_X1MOUSE:
8370     case K_X1DRAG:
8371     case K_X1RELEASE:
8372     case K_X2MOUSE:
8373     case K_X2DRAG:
8374     case K_X2RELEASE:
8375 	mod_mask = MOD_MASK_CTRL;
8376 	(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8377 	break;
8378 #endif
8379 
8380     case K_IGNORE:
8381 	break;
8382 
8383     /*
8384      * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8385      */
8386     case 'p':
8387     case 'P':
8388 	nv_put(cap);
8389 	break;
8390 
8391 #ifdef FEAT_BYTEOFF
8392     /* "go": goto byte count from start of buffer */
8393     case 'o':
8394 	goto_byte(cap->count0);
8395 	break;
8396 #endif
8397 
8398     /* "gQ": improved Ex mode */
8399     case 'Q':
8400 	if (text_locked())
8401 	{
8402 	    clearopbeep(cap->oap);
8403 	    text_locked_msg();
8404 	    break;
8405 	}
8406 
8407 	if (!checkclearopq(oap))
8408 	    do_exmode(TRUE);
8409 	break;
8410 
8411 #ifdef FEAT_JUMPLIST
8412     case ',':
8413 	nv_pcmark(cap);
8414 	break;
8415 
8416     case ';':
8417 	cap->count1 = -cap->count1;
8418 	nv_pcmark(cap);
8419 	break;
8420 #endif
8421 
8422 #ifdef FEAT_WINDOWS
8423     case 't':
8424 	if (!checkclearop(oap))
8425 	    goto_tabpage((int)cap->count0);
8426 	break;
8427     case 'T':
8428 	if (!checkclearop(oap))
8429 	    goto_tabpage(-(int)cap->count1);
8430 	break;
8431 #endif
8432 
8433     case '+':
8434     case '-': /* "g+" and "g-": undo or redo along the timeline */
8435 	if (!checkclearopq(oap))
8436 	    undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8437 							 FALSE, FALSE, FALSE);
8438 	break;
8439 
8440     default:
8441 	clearopbeep(oap);
8442 	break;
8443     }
8444 }
8445 
8446 /*
8447  * Handle "o" and "O" commands.
8448  */
8449     static void
8450 n_opencmd(cap)
8451     cmdarg_T	*cap;
8452 {
8453 #ifdef FEAT_CONCEAL
8454     linenr_T	oldline = curwin->w_cursor.lnum;
8455 #endif
8456 
8457     if (!checkclearopq(cap->oap))
8458     {
8459 #ifdef FEAT_FOLDING
8460 	if (cap->cmdchar == 'O')
8461 	    /* Open above the first line of a folded sequence of lines */
8462 	    (void)hasFolding(curwin->w_cursor.lnum,
8463 						&curwin->w_cursor.lnum, NULL);
8464 	else
8465 	    /* Open below the last line of a folded sequence of lines */
8466 	    (void)hasFolding(curwin->w_cursor.lnum,
8467 						NULL, &curwin->w_cursor.lnum);
8468 #endif
8469 	if (u_save((linenr_T)(curwin->w_cursor.lnum -
8470 					       (cap->cmdchar == 'O' ? 1 : 0)),
8471 		   (linenr_T)(curwin->w_cursor.lnum +
8472 					       (cap->cmdchar == 'o' ? 1 : 0))
8473 		       ) == OK
8474 		&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8475 #ifdef FEAT_COMMENTS
8476 		    has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8477 #endif
8478 		    0, 0))
8479 	{
8480 #ifdef FEAT_CONCEAL
8481 	    if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
8482 		update_single_line(curwin, oldline);
8483 #endif
8484 	    /* When '#' is in 'cpoptions' ignore the count. */
8485 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8486 		cap->count1 = 1;
8487 	    invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8488 	}
8489     }
8490 }
8491 
8492 /*
8493  * "." command: redo last change.
8494  */
8495     static void
8496 nv_dot(cap)
8497     cmdarg_T	*cap;
8498 {
8499     if (!checkclearopq(cap->oap))
8500     {
8501 	/*
8502 	 * If "restart_edit" is TRUE, the last but one command is repeated
8503 	 * instead of the last command (inserting text). This is used for
8504 	 * CTRL-O <.> in insert mode.
8505 	 */
8506 	if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8507 	    clearopbeep(cap->oap);
8508     }
8509 }
8510 
8511 /*
8512  * CTRL-R: undo undo
8513  */
8514     static void
8515 nv_redo(cap)
8516     cmdarg_T	*cap;
8517 {
8518     if (!checkclearopq(cap->oap))
8519     {
8520 	u_redo((int)cap->count1);
8521 	curwin->w_set_curswant = TRUE;
8522     }
8523 }
8524 
8525 /*
8526  * Handle "U" command.
8527  */
8528     static void
8529 nv_Undo(cap)
8530     cmdarg_T	*cap;
8531 {
8532     /* In Visual mode and typing "gUU" triggers an operator */
8533     if (cap->oap->op_type == OP_UPPER
8534 #ifdef FEAT_VISUAL
8535 	    || VIsual_active
8536 #endif
8537 	    )
8538     {
8539 	/* translate "gUU" to "gUgU" */
8540 	cap->cmdchar = 'g';
8541 	cap->nchar = 'U';
8542 	nv_operator(cap);
8543     }
8544     else if (!checkclearopq(cap->oap))
8545     {
8546 	u_undoline();
8547 	curwin->w_set_curswant = TRUE;
8548     }
8549 }
8550 
8551 /*
8552  * '~' command: If tilde is not an operator and Visual is off: swap case of a
8553  * single character.
8554  */
8555     static void
8556 nv_tilde(cap)
8557     cmdarg_T	*cap;
8558 {
8559     if (!p_to
8560 #ifdef FEAT_VISUAL
8561 	    && !VIsual_active
8562 #endif
8563 	    && cap->oap->op_type != OP_TILDE)
8564 	n_swapchar(cap);
8565     else
8566 	nv_operator(cap);
8567 }
8568 
8569 /*
8570  * Handle an operator command.
8571  * The actual work is done by do_pending_operator().
8572  */
8573     static void
8574 nv_operator(cap)
8575     cmdarg_T	*cap;
8576 {
8577     int	    op_type;
8578 
8579     op_type = get_op_type(cap->cmdchar, cap->nchar);
8580 
8581     if (op_type == cap->oap->op_type)	    /* double operator works on lines */
8582 	nv_lineop(cap);
8583     else if (!checkclearop(cap->oap))
8584     {
8585 	cap->oap->start = curwin->w_cursor;
8586 	cap->oap->op_type = op_type;
8587 #ifdef FEAT_EVAL
8588 	set_op_var(op_type);
8589 #endif
8590     }
8591 }
8592 
8593 #ifdef FEAT_EVAL
8594 /*
8595  * Set v:operator to the characters for "optype".
8596  */
8597     static void
8598 set_op_var(optype)
8599     int optype;
8600 {
8601     char_u	opchars[3];
8602 
8603     if (optype == OP_NOP)
8604 	set_vim_var_string(VV_OP, NULL, 0);
8605     else
8606     {
8607 	opchars[0] = get_op_char(optype);
8608 	opchars[1] = get_extra_op_char(optype);
8609 	opchars[2] = NUL;
8610 	set_vim_var_string(VV_OP, opchars, -1);
8611     }
8612 }
8613 #endif
8614 
8615 /*
8616  * Handle linewise operator "dd", "yy", etc.
8617  *
8618  * "_" is is a strange motion command that helps make operators more logical.
8619  * It is actually implemented, but not documented in the real Vi.  This motion
8620  * command actually refers to "the current line".  Commands like "dd" and "yy"
8621  * are really an alternate form of "d_" and "y_".  It does accept a count, so
8622  * "d3_" works to delete 3 lines.
8623  */
8624     static void
8625 nv_lineop(cap)
8626     cmdarg_T	*cap;
8627 {
8628     cap->oap->motion_type = MLINE;
8629     if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8630 	clearopbeep(cap->oap);
8631     else if (  cap->oap->op_type == OP_DELETE
8632 	    || cap->oap->op_type == OP_LSHIFT
8633 	    || cap->oap->op_type == OP_RSHIFT)
8634 	beginline(BL_SOL | BL_FIX);
8635     else if (cap->oap->op_type != OP_YANK)	/* 'Y' does not move cursor */
8636 	beginline(BL_WHITE | BL_FIX);
8637 }
8638 
8639 /*
8640  * <Home> command.
8641  */
8642     static void
8643 nv_home(cap)
8644     cmdarg_T	*cap;
8645 {
8646     /* CTRL-HOME is like "gg" */
8647     if (mod_mask & MOD_MASK_CTRL)
8648 	nv_goto(cap);
8649     else
8650     {
8651 	cap->count0 = 1;
8652 	nv_pipe(cap);
8653     }
8654     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8655 			       one-character line). */
8656 }
8657 
8658 /*
8659  * "|" command.
8660  */
8661     static void
8662 nv_pipe(cap)
8663     cmdarg_T *cap;
8664 {
8665     cap->oap->motion_type = MCHAR;
8666     cap->oap->inclusive = FALSE;
8667     beginline(0);
8668     if (cap->count0 > 0)
8669     {
8670 	coladvance((colnr_T)(cap->count0 - 1));
8671 	curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8672     }
8673     else
8674 	curwin->w_curswant = 0;
8675     /* keep curswant at the column where we wanted to go, not where
8676      * we ended; differs if line is too short */
8677     curwin->w_set_curswant = FALSE;
8678 }
8679 
8680 /*
8681  * Handle back-word command "b" and "B".
8682  * cap->arg is 1 for "B"
8683  */
8684     static void
8685 nv_bck_word(cap)
8686     cmdarg_T	*cap;
8687 {
8688     cap->oap->motion_type = MCHAR;
8689     cap->oap->inclusive = FALSE;
8690     curwin->w_set_curswant = TRUE;
8691     if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8692 	clearopbeep(cap->oap);
8693 #ifdef FEAT_FOLDING
8694     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8695 	foldOpenCursor();
8696 #endif
8697 }
8698 
8699 /*
8700  * Handle word motion commands "e", "E", "w" and "W".
8701  * cap->arg is TRUE for "E" and "W".
8702  */
8703     static void
8704 nv_wordcmd(cap)
8705     cmdarg_T	*cap;
8706 {
8707     int		n;
8708     int		word_end;
8709     int		flag = FALSE;
8710     pos_T	startpos = curwin->w_cursor;
8711 
8712     /*
8713      * Set inclusive for the "E" and "e" command.
8714      */
8715     if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8716 	word_end = TRUE;
8717     else
8718 	word_end = FALSE;
8719     cap->oap->inclusive = word_end;
8720 
8721     /*
8722      * "cw" and "cW" are a special case.
8723      */
8724     if (!word_end && cap->oap->op_type == OP_CHANGE)
8725     {
8726 	n = gchar_cursor();
8727 	if (n != NUL)			/* not an empty line */
8728 	{
8729 	    if (vim_iswhite(n))
8730 	    {
8731 		/*
8732 		 * Reproduce a funny Vi behaviour: "cw" on a blank only
8733 		 * changes one character, not all blanks until the start of
8734 		 * the next word.  Only do this when the 'w' flag is included
8735 		 * in 'cpoptions'.
8736 		 */
8737 		if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8738 		{
8739 		    cap->oap->inclusive = TRUE;
8740 		    cap->oap->motion_type = MCHAR;
8741 		    return;
8742 		}
8743 	    }
8744 	    else
8745 	    {
8746 		/*
8747 		 * This is a little strange. To match what the real Vi does,
8748 		 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8749 		 * that we are not on a space or a TAB.  This seems impolite
8750 		 * at first, but it's really more what we mean when we say
8751 		 * 'cw'.
8752 		 * Another strangeness: When standing on the end of a word
8753 		 * "ce" will change until the end of the next wordt, but "cw"
8754 		 * will change only one character! This is done by setting
8755 		 * flag.
8756 		 */
8757 		cap->oap->inclusive = TRUE;
8758 		word_end = TRUE;
8759 		flag = TRUE;
8760 	    }
8761 	}
8762     }
8763 
8764     cap->oap->motion_type = MCHAR;
8765     curwin->w_set_curswant = TRUE;
8766     if (word_end)
8767 	n = end_word(cap->count1, cap->arg, flag, FALSE);
8768     else
8769 	n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8770 
8771     /* Don't leave the cursor on the NUL past the end of line. Unless we
8772      * didn't move it forward. */
8773     if (lt(startpos, curwin->w_cursor))
8774 	adjust_cursor(cap->oap);
8775 
8776     if (n == FAIL && cap->oap->op_type == OP_NOP)
8777 	clearopbeep(cap->oap);
8778     else
8779     {
8780 #ifdef FEAT_VISUAL
8781 	adjust_for_sel(cap);
8782 #endif
8783 #ifdef FEAT_FOLDING
8784 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8785 	    foldOpenCursor();
8786 #endif
8787     }
8788 }
8789 
8790 /*
8791  * Used after a movement command: If the cursor ends up on the NUL after the
8792  * end of the line, may move it back to the last character and make the motion
8793  * inclusive.
8794  */
8795     static void
8796 adjust_cursor(oap)
8797     oparg_T *oap;
8798 {
8799     /* The cursor cannot remain on the NUL when:
8800      * - the column is > 0
8801      * - not in Visual mode or 'selection' is "o"
8802      * - 'virtualedit' is not "all" and not "onemore".
8803      */
8804     if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
8805 #ifdef FEAT_VISUAL
8806 		&& (!VIsual_active || *p_sel == 'o')
8807 #endif
8808 #ifdef FEAT_VIRTUALEDIT
8809 		&& !virtual_active() && (ve_flags & VE_ONEMORE) == 0
8810 #endif
8811 		)
8812     {
8813 	--curwin->w_cursor.col;
8814 #ifdef FEAT_MBYTE
8815 	/* prevent cursor from moving on the trail byte */
8816 	if (has_mbyte)
8817 	    mb_adjust_cursor();
8818 #endif
8819 	oap->inclusive = TRUE;
8820     }
8821 }
8822 
8823 /*
8824  * "0" and "^" commands.
8825  * cap->arg is the argument for beginline().
8826  */
8827     static void
8828 nv_beginline(cap)
8829     cmdarg_T	*cap;
8830 {
8831     cap->oap->motion_type = MCHAR;
8832     cap->oap->inclusive = FALSE;
8833     beginline(cap->arg);
8834 #ifdef FEAT_FOLDING
8835     if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8836 	foldOpenCursor();
8837 #endif
8838     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8839 			       one-character line). */
8840 }
8841 
8842 #ifdef FEAT_VISUAL
8843 /*
8844  * In exclusive Visual mode, may include the last character.
8845  */
8846     static void
8847 adjust_for_sel(cap)
8848     cmdarg_T	*cap;
8849 {
8850     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8851 	    && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8852     {
8853 # ifdef FEAT_MBYTE
8854 	if (has_mbyte)
8855 	    inc_cursor();
8856 	else
8857 # endif
8858 	    ++curwin->w_cursor.col;
8859 	cap->oap->inclusive = FALSE;
8860     }
8861 }
8862 
8863 /*
8864  * Exclude last character at end of Visual area for 'selection' == "exclusive".
8865  * Should check VIsual_mode before calling this.
8866  * Returns TRUE when backed up to the previous line.
8867  */
8868     static int
8869 unadjust_for_sel()
8870 {
8871     pos_T	*pp;
8872 
8873     if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8874     {
8875 	if (lt(VIsual, curwin->w_cursor))
8876 	    pp = &curwin->w_cursor;
8877 	else
8878 	    pp = &VIsual;
8879 #ifdef FEAT_VIRTUALEDIT
8880 	if (pp->coladd > 0)
8881 	    --pp->coladd;
8882 	else
8883 #endif
8884 	if (pp->col > 0)
8885 	{
8886 	    --pp->col;
8887 #ifdef FEAT_MBYTE
8888 	    mb_adjustpos(curbuf, pp);
8889 #endif
8890 	}
8891 	else if (pp->lnum > 1)
8892 	{
8893 	    --pp->lnum;
8894 	    pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8895 	    return TRUE;
8896 	}
8897     }
8898     return FALSE;
8899 }
8900 
8901 /*
8902  * SELECT key in Normal or Visual mode: end of Select mode mapping.
8903  */
8904     static void
8905 nv_select(cap)
8906     cmdarg_T	*cap;
8907 {
8908     if (VIsual_active)
8909 	VIsual_select = TRUE;
8910     else if (VIsual_reselect)
8911     {
8912 	cap->nchar = 'v';	    /* fake "gv" command */
8913 	cap->arg = TRUE;
8914 	nv_g_cmd(cap);
8915     }
8916 }
8917 
8918 #endif
8919 
8920 /*
8921  * "G", "gg", CTRL-END, CTRL-HOME.
8922  * cap->arg is TRUE for "G".
8923  */
8924     static void
8925 nv_goto(cap)
8926     cmdarg_T	*cap;
8927 {
8928     linenr_T	lnum;
8929 
8930     if (cap->arg)
8931 	lnum = curbuf->b_ml.ml_line_count;
8932     else
8933 	lnum = 1L;
8934     cap->oap->motion_type = MLINE;
8935     setpcmark();
8936 
8937     /* When a count is given, use it instead of the default lnum */
8938     if (cap->count0 != 0)
8939 	lnum = cap->count0;
8940     if (lnum < 1L)
8941 	lnum = 1L;
8942     else if (lnum > curbuf->b_ml.ml_line_count)
8943 	lnum = curbuf->b_ml.ml_line_count;
8944     curwin->w_cursor.lnum = lnum;
8945     beginline(BL_SOL | BL_FIX);
8946 #ifdef FEAT_FOLDING
8947     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8948 	foldOpenCursor();
8949 #endif
8950 }
8951 
8952 /*
8953  * CTRL-\ in Normal mode.
8954  */
8955     static void
8956 nv_normal(cap)
8957     cmdarg_T	*cap;
8958 {
8959     if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8960     {
8961 	clearop(cap->oap);
8962 	if (restart_edit != 0 && mode_displayed)
8963 	    clear_cmdline = TRUE;		/* unshow mode later */
8964 	restart_edit = 0;
8965 #ifdef FEAT_CMDWIN
8966 	if (cmdwin_type != 0)
8967 	    cmdwin_result = Ctrl_C;
8968 #endif
8969 #ifdef FEAT_VISUAL
8970 	if (VIsual_active)
8971 	{
8972 	    end_visual_mode();		/* stop Visual */
8973 	    redraw_curbuf_later(INVERTED);
8974 	}
8975 #endif
8976 	/* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8977 	if (cap->nchar == Ctrl_G && p_im)
8978 	    restart_edit = 'a';
8979     }
8980     else
8981 	clearopbeep(cap->oap);
8982 }
8983 
8984 /*
8985  * ESC in Normal mode: beep, but don't flush buffers.
8986  * Don't even beep if we are canceling a command.
8987  */
8988     static void
8989 nv_esc(cap)
8990     cmdarg_T	*cap;
8991 {
8992     int		no_reason;
8993 
8994     no_reason = (cap->oap->op_type == OP_NOP
8995 		&& cap->opcount == 0
8996 		&& cap->count0 == 0
8997 		&& cap->oap->regname == 0
8998 		&& !p_im);
8999 
9000     if (cap->arg)		/* TRUE for CTRL-C */
9001     {
9002 	if (restart_edit == 0
9003 #ifdef FEAT_CMDWIN
9004 		&& cmdwin_type == 0
9005 #endif
9006 #ifdef FEAT_VISUAL
9007 		&& !VIsual_active
9008 #endif
9009 		&& no_reason)
9010 	    MSG(_("Type  :quit<Enter>  to exit Vim"));
9011 
9012 	/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
9013 	 * set again below when halfway a mapping. */
9014 	if (!p_im)
9015 	    restart_edit = 0;
9016 #ifdef FEAT_CMDWIN
9017 	if (cmdwin_type != 0)
9018 	{
9019 	    cmdwin_result = K_IGNORE;
9020 	    got_int = FALSE;	/* don't stop executing autocommands et al. */
9021 	    return;
9022 	}
9023 #endif
9024     }
9025 
9026 #ifdef FEAT_VISUAL
9027     if (VIsual_active)
9028     {
9029 	end_visual_mode();	/* stop Visual */
9030 	check_cursor_col();	/* make sure cursor is not beyond EOL */
9031 	curwin->w_set_curswant = TRUE;
9032 	redraw_curbuf_later(INVERTED);
9033     }
9034     else
9035 #endif
9036 	if (no_reason)
9037 	    vim_beep();
9038     clearop(cap->oap);
9039 
9040     /* A CTRL-C is often used at the start of a menu.  When 'insertmode' is
9041      * set return to Insert mode afterwards. */
9042     if (restart_edit == 0 && goto_im()
9043 #ifdef FEAT_EX_EXTRA
9044 	    && ex_normal_busy == 0
9045 #endif
9046 	    )
9047 	restart_edit = 'a';
9048 }
9049 
9050 /*
9051  * Handle "A", "a", "I", "i" and <Insert> commands.
9052  */
9053     static void
9054 nv_edit(cap)
9055     cmdarg_T *cap;
9056 {
9057     /* <Insert> is equal to "i" */
9058     if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
9059 	cap->cmdchar = 'i';
9060 
9061 #ifdef FEAT_VISUAL
9062     /* in Visual mode "A" and "I" are an operator */
9063     if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
9064 	v_visop(cap);
9065 
9066     /* in Visual mode and after an operator "a" and "i" are for text objects */
9067     else
9068 #endif
9069 	if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
9070 	    && (cap->oap->op_type != OP_NOP
9071 #ifdef FEAT_VISUAL
9072 		|| VIsual_active
9073 #endif
9074 		))
9075     {
9076 #ifdef FEAT_TEXTOBJ
9077 	nv_object(cap);
9078 #else
9079 	clearopbeep(cap->oap);
9080 #endif
9081     }
9082     else if (!curbuf->b_p_ma && !p_im)
9083     {
9084 	/* Only give this error when 'insertmode' is off. */
9085 	EMSG(_(e_modifiable));
9086 	clearop(cap->oap);
9087     }
9088     else if (!checkclearopq(cap->oap))
9089     {
9090 	switch (cap->cmdchar)
9091 	{
9092 	    case 'A':	/* "A"ppend after the line */
9093 		curwin->w_set_curswant = TRUE;
9094 #ifdef FEAT_VIRTUALEDIT
9095 		if (ve_flags == VE_ALL)
9096 		{
9097 		    int save_State = State;
9098 
9099 		    /* Pretent Insert mode here to allow the cursor on the
9100 		     * character past the end of the line */
9101 		    State = INSERT;
9102 		    coladvance((colnr_T)MAXCOL);
9103 		    State = save_State;
9104 		}
9105 		else
9106 #endif
9107 		    curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
9108 		break;
9109 
9110 	    case 'I':	/* "I"nsert before the first non-blank */
9111 		if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
9112 		    beginline(BL_WHITE);
9113 		else
9114 		    beginline(BL_WHITE|BL_FIX);
9115 		break;
9116 
9117 	    case 'a':	/* "a"ppend is like "i"nsert on the next character. */
9118 #ifdef FEAT_VIRTUALEDIT
9119 		/* increment coladd when in virtual space, increment the
9120 		 * column otherwise, also to append after an unprintable char */
9121 		if (virtual_active()
9122 			&& (curwin->w_cursor.coladd > 0
9123 			    || *ml_get_cursor() == NUL
9124 			    || *ml_get_cursor() == TAB))
9125 		    curwin->w_cursor.coladd++;
9126 		else
9127 #endif
9128 		if (*ml_get_cursor() != NUL)
9129 		    inc_cursor();
9130 		break;
9131 	}
9132 
9133 #ifdef FEAT_VIRTUALEDIT
9134 	if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
9135 	{
9136 	    int save_State = State;
9137 
9138 	    /* Pretent Insert mode here to allow the cursor on the
9139 	     * character past the end of the line */
9140 	    State = INSERT;
9141 	    coladvance(getviscol());
9142 	    State = save_State;
9143 	}
9144 #endif
9145 
9146 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
9147     }
9148 }
9149 
9150 /*
9151  * Invoke edit() and take care of "restart_edit" and the return value.
9152  */
9153     static void
9154 invoke_edit(cap, repl, cmd, startln)
9155     cmdarg_T	*cap;
9156     int		repl;		/* "r" or "gr" command */
9157     int		cmd;
9158     int		startln;
9159 {
9160     int		restart_edit_save = 0;
9161 
9162     /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
9163      * mode recursively.  But when doing "a<C-O>." or "a<C-O>rx" we do allow
9164      * it. */
9165     if (repl || !stuff_empty())
9166 	restart_edit_save = restart_edit;
9167     else
9168 	restart_edit_save = 0;
9169 
9170     /* Always reset "restart_edit", this is not a restarted edit. */
9171     restart_edit = 0;
9172 
9173     if (edit(cmd, startln, cap->count1))
9174 	cap->retval |= CA_COMMAND_BUSY;
9175 
9176     if (restart_edit == 0)
9177 	restart_edit = restart_edit_save;
9178 }
9179 
9180 #ifdef FEAT_TEXTOBJ
9181 /*
9182  * "a" or "i" while an operator is pending or in Visual mode: object motion.
9183  */
9184     static void
9185 nv_object(cap)
9186     cmdarg_T	*cap;
9187 {
9188     int		flag;
9189     int		include;
9190     char_u	*mps_save;
9191 
9192     if (cap->cmdchar == 'i')
9193 	include = FALSE;    /* "ix" = inner object: exclude white space */
9194     else
9195 	include = TRUE;	    /* "ax" = an object: include white space */
9196 
9197     /* Make sure (), [], {} and <> are in 'matchpairs' */
9198     mps_save = curbuf->b_p_mps;
9199     curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
9200 
9201     switch (cap->nchar)
9202     {
9203 	case 'w': /* "aw" = a word */
9204 		flag = current_word(cap->oap, cap->count1, include, FALSE);
9205 		break;
9206 	case 'W': /* "aW" = a WORD */
9207 		flag = current_word(cap->oap, cap->count1, include, TRUE);
9208 		break;
9209 	case 'b': /* "ab" = a braces block */
9210 	case '(':
9211 	case ')':
9212 		flag = current_block(cap->oap, cap->count1, include, '(', ')');
9213 		break;
9214 	case 'B': /* "aB" = a Brackets block */
9215 	case '{':
9216 	case '}':
9217 		flag = current_block(cap->oap, cap->count1, include, '{', '}');
9218 		break;
9219 	case '[': /* "a[" = a [] block */
9220 	case ']':
9221 		flag = current_block(cap->oap, cap->count1, include, '[', ']');
9222 		break;
9223 	case '<': /* "a<" = a <> block */
9224 	case '>':
9225 		flag = current_block(cap->oap, cap->count1, include, '<', '>');
9226 		break;
9227 	case 't': /* "at" = a tag block (xml and html) */
9228 		flag = current_tagblock(cap->oap, cap->count1, include);
9229 		break;
9230 	case 'p': /* "ap" = a paragraph */
9231 		flag = current_par(cap->oap, cap->count1, include, 'p');
9232 		break;
9233 	case 's': /* "as" = a sentence */
9234 		flag = current_sent(cap->oap, cap->count1, include);
9235 		break;
9236 	case '"': /* "a"" = a double quoted string */
9237 	case '\'': /* "a'" = a single quoted string */
9238 	case '`': /* "a`" = a backtick quoted string */
9239 		flag = current_quote(cap->oap, cap->count1, include,
9240 								  cap->nchar);
9241 		break;
9242 #if 0	/* TODO */
9243 	case 'S': /* "aS" = a section */
9244 	case 'f': /* "af" = a filename */
9245 	case 'u': /* "au" = a URL */
9246 #endif
9247 	default:
9248 		flag = FAIL;
9249 		break;
9250     }
9251 
9252     curbuf->b_p_mps = mps_save;
9253     if (flag == FAIL)
9254 	clearopbeep(cap->oap);
9255     adjust_cursor_col();
9256     curwin->w_set_curswant = TRUE;
9257 }
9258 #endif
9259 
9260 /*
9261  * "q" command: Start/stop recording.
9262  * "q:", "q/", "q?": edit command-line in command-line window.
9263  */
9264     static void
9265 nv_record(cap)
9266     cmdarg_T	*cap;
9267 {
9268     if (cap->oap->op_type == OP_FORMAT)
9269     {
9270 	/* "gqq" is the same as "gqgq": format line */
9271 	cap->cmdchar = 'g';
9272 	cap->nchar = 'q';
9273 	nv_operator(cap);
9274     }
9275     else if (!checkclearop(cap->oap))
9276     {
9277 #ifdef FEAT_CMDWIN
9278 	if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
9279 	{
9280 	    stuffcharReadbuff(cap->nchar);
9281 	    stuffcharReadbuff(K_CMDWIN);
9282 	}
9283 	else
9284 #endif
9285 	    /* (stop) recording into a named register, unless executing a
9286 	     * register */
9287 	    if (!Exec_reg && do_record(cap->nchar) == FAIL)
9288 		clearopbeep(cap->oap);
9289     }
9290 }
9291 
9292 /*
9293  * Handle the "@r" command.
9294  */
9295     static void
9296 nv_at(cap)
9297     cmdarg_T	*cap;
9298 {
9299     if (checkclearop(cap->oap))
9300 	return;
9301 #ifdef FEAT_EVAL
9302     if (cap->nchar == '=')
9303     {
9304 	if (get_expr_register() == NUL)
9305 	    return;
9306     }
9307 #endif
9308     while (cap->count1-- && !got_int)
9309     {
9310 	if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
9311 	{
9312 	    clearopbeep(cap->oap);
9313 	    break;
9314 	}
9315 	line_breakcheck();
9316     }
9317 }
9318 
9319 /*
9320  * Handle the CTRL-U and CTRL-D commands.
9321  */
9322     static void
9323 nv_halfpage(cap)
9324     cmdarg_T	*cap;
9325 {
9326     if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
9327 	    || (cap->cmdchar == Ctrl_D
9328 		&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
9329 	clearopbeep(cap->oap);
9330     else if (!checkclearop(cap->oap))
9331 	halfpage(cap->cmdchar == Ctrl_D, cap->count0);
9332 }
9333 
9334 /*
9335  * Handle "J" or "gJ" command.
9336  */
9337     static void
9338 nv_join(cap)
9339     cmdarg_T *cap;
9340 {
9341 #ifdef FEAT_VISUAL
9342     if (VIsual_active)	/* join the visual lines */
9343 	nv_operator(cap);
9344     else
9345 #endif
9346 	if (!checkclearop(cap->oap))
9347     {
9348 	if (cap->count0 <= 1)
9349 	    cap->count0 = 2;	    /* default for join is two lines! */
9350 	if (curwin->w_cursor.lnum + cap->count0 - 1 >
9351 						   curbuf->b_ml.ml_line_count)
9352 	    clearopbeep(cap->oap);  /* beyond last line */
9353 	else
9354 	{
9355 	    prep_redo(cap->oap->regname, cap->count0,
9356 			 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
9357 	    (void)do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE);
9358 	}
9359     }
9360 }
9361 
9362 /*
9363  * "P", "gP", "p" and "gp" commands.
9364  */
9365     static void
9366 nv_put(cap)
9367     cmdarg_T  *cap;
9368 {
9369 #ifdef FEAT_VISUAL
9370     int		regname = 0;
9371     void	*reg1 = NULL, *reg2 = NULL;
9372     int		empty = FALSE;
9373     int		was_visual = FALSE;
9374 #endif
9375     int		dir;
9376     int		flags = 0;
9377 
9378     if (cap->oap->op_type != OP_NOP)
9379     {
9380 #ifdef FEAT_DIFF
9381 	/* "dp" is ":diffput" */
9382 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
9383 	{
9384 	    clearop(cap->oap);
9385 	    nv_diffgetput(TRUE);
9386 	}
9387 	else
9388 #endif
9389 	clearopbeep(cap->oap);
9390     }
9391     else
9392     {
9393 	dir = (cap->cmdchar == 'P'
9394 		|| (cap->cmdchar == 'g' && cap->nchar == 'P'))
9395 							 ? BACKWARD : FORWARD;
9396 	prep_redo_cmd(cap);
9397 	if (cap->cmdchar == 'g')
9398 	    flags |= PUT_CURSEND;
9399 
9400 #ifdef FEAT_VISUAL
9401 	if (VIsual_active)
9402 	{
9403 	    /* Putting in Visual mode: The put text replaces the selected
9404 	     * text.  First delete the selected text, then put the new text.
9405 	     * Need to save and restore the registers that the delete
9406 	     * overwrites if the old contents is being put.
9407 	     */
9408 	    was_visual = TRUE;
9409 	    regname = cap->oap->regname;
9410 # ifdef FEAT_CLIPBOARD
9411 	    adjust_clip_reg(&regname);
9412 # endif
9413 	    if (regname == 0 || regname == '"' || VIM_ISDIGIT(regname)
9414 # ifdef FEAT_CLIPBOARD
9415 		    || (clip_unnamed && (regname == '*' || regname == '+'))
9416 # endif
9417 
9418 		    )
9419 	    {
9420 		/* the delete is going to overwrite the register we want to
9421 		 * put, save it first. */
9422 		reg1 = get_register(regname, TRUE);
9423 	    }
9424 
9425 	    /* Now delete the selected text. */
9426 	    cap->cmdchar = 'd';
9427 	    cap->nchar = NUL;
9428 	    cap->oap->regname = NUL;
9429 	    nv_operator(cap);
9430 	    do_pending_operator(cap, 0, FALSE);
9431 	    empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
9432 
9433 	    /* delete PUT_LINE_BACKWARD; */
9434 	    cap->oap->regname = regname;
9435 
9436 	    if (reg1 != NULL)
9437 	    {
9438 		/* Delete probably changed the register we want to put, save
9439 		 * it first. Then put back what was there before the delete. */
9440 		reg2 = get_register(regname, FALSE);
9441 		put_register(regname, reg1);
9442 	    }
9443 
9444 	    /* When deleted a linewise Visual area, put the register as
9445 	     * lines to avoid it joined with the next line.  When deletion was
9446 	     * characterwise, split a line when putting lines. */
9447 	    if (VIsual_mode == 'V')
9448 		flags |= PUT_LINE;
9449 	    else if (VIsual_mode == 'v')
9450 		flags |= PUT_LINE_SPLIT;
9451 	    if (VIsual_mode == Ctrl_V && dir == FORWARD)
9452 		flags |= PUT_LINE_FORWARD;
9453 	    dir = BACKWARD;
9454 	    if ((VIsual_mode != 'V'
9455 			&& curwin->w_cursor.col < curbuf->b_op_start.col)
9456 		    || (VIsual_mode == 'V'
9457 			&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9458 		/* cursor is at the end of the line or end of file, put
9459 		 * forward. */
9460 		dir = FORWARD;
9461 	}
9462 #endif
9463 	do_put(cap->oap->regname, dir, cap->count1, flags);
9464 
9465 #ifdef FEAT_VISUAL
9466 	/* If a register was saved, put it back now. */
9467 	if (reg2 != NULL)
9468 	    put_register(regname, reg2);
9469 
9470 	/* What to reselect with "gv"?  Selecting the just put text seems to
9471 	 * be the most useful, since the original text was removed. */
9472 	if (was_visual)
9473 	{
9474 	    curbuf->b_visual.vi_start = curbuf->b_op_start;
9475 	    curbuf->b_visual.vi_end = curbuf->b_op_end;
9476 	}
9477 
9478 	/* When all lines were selected and deleted do_put() leaves an empty
9479 	 * line that needs to be deleted now. */
9480 	if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9481 	{
9482 	    ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9483 
9484 	    /* If the cursor was in that line, move it to the end of the last
9485 	     * line. */
9486 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9487 	    {
9488 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9489 		coladvance((colnr_T)MAXCOL);
9490 	    }
9491 	}
9492 #endif
9493 	auto_format(FALSE, TRUE);
9494     }
9495 }
9496 
9497 /*
9498  * "o" and "O" commands.
9499  */
9500     static void
9501 nv_open(cap)
9502     cmdarg_T	*cap;
9503 {
9504 #ifdef FEAT_DIFF
9505     /* "do" is ":diffget" */
9506     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9507     {
9508 	clearop(cap->oap);
9509 	nv_diffgetput(FALSE);
9510     }
9511     else
9512 #endif
9513 #ifdef FEAT_VISUAL
9514     if (VIsual_active)  /* switch start and end of visual */
9515 	v_swap_corners(cap->cmdchar);
9516     else
9517 #endif
9518 	n_opencmd(cap);
9519 }
9520 
9521 #ifdef FEAT_SNIFF
9522     static void
9523 nv_sniff(cap)
9524     cmdarg_T	*cap UNUSED;
9525 {
9526     ProcessSniffRequests();
9527 }
9528 #endif
9529 
9530 #ifdef FEAT_NETBEANS_INTG
9531     static void
9532 nv_nbcmd(cap)
9533     cmdarg_T	*cap;
9534 {
9535     netbeans_keycommand(cap->nchar);
9536 }
9537 #endif
9538 
9539 #ifdef FEAT_DND
9540     static void
9541 nv_drop(cap)
9542     cmdarg_T	*cap UNUSED;
9543 {
9544     do_put('~', BACKWARD, 1L, PUT_CURSEND);
9545 }
9546 #endif
9547 
9548 #ifdef FEAT_AUTOCMD
9549 /*
9550  * Trigger CursorHold event.
9551  * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9552  * input buffer.  "did_cursorhold" is set to avoid retriggering.
9553  */
9554     static void
9555 nv_cursorhold(cap)
9556     cmdarg_T	*cap;
9557 {
9558     apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9559     did_cursorhold = TRUE;
9560     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
9561 }
9562 #endif
9563