xref: /vim-8.2.3635/src/normal.c (revision 61d35bd0)
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 	    if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
964 						      || ca.nchar == Ctrl_BSL)
965 	    {
966 		cp = &ca.extra_char;	/* need to get a third character */
967 		if (ca.nchar != 'r')
968 		    lit = TRUE;			/* get it literally */
969 		else
970 		    repl = TRUE;		/* get it in replace mode */
971 	    }
972 	    else
973 		cp = NULL;		/* no third character needed */
974 	}
975 	else
976 	{
977 	    if (ca.cmdchar == 'r')		/* get it in replace mode */
978 		repl = TRUE;
979 	    cp = &ca.nchar;
980 	}
981 	lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
982 
983 	/*
984 	 * Get a second or third character.
985 	 */
986 	if (cp != NULL)
987 	{
988 #ifdef CURSOR_SHAPE
989 	    if (repl)
990 	    {
991 		State = REPLACE;	/* pretend Replace mode */
992 		ui_cursor_shape();	/* show different cursor shape */
993 	    }
994 #endif
995 	    if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
996 	    {
997 		/* Allow mappings defined with ":lmap". */
998 		--no_mapping;
999 		--allow_keys;
1000 		if (repl)
1001 		    State = LREPLACE;
1002 		else
1003 		    State = LANGMAP;
1004 		langmap_active = TRUE;
1005 	    }
1006 #ifdef USE_IM_CONTROL
1007 	    save_smd = p_smd;
1008 	    p_smd = FALSE;	/* Don't let the IM code show the mode here */
1009 	    if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
1010 		im_set_active(TRUE);
1011 #endif
1012 
1013 	    *cp = plain_vgetc();
1014 
1015 	    if (langmap_active)
1016 	    {
1017 		/* Undo the decrement done above */
1018 		++no_mapping;
1019 		++allow_keys;
1020 		State = NORMAL_BUSY;
1021 	    }
1022 #ifdef USE_IM_CONTROL
1023 	    if (lang)
1024 	    {
1025 		if (curbuf->b_p_iminsert != B_IMODE_LMAP)
1026 		    im_save_status(&curbuf->b_p_iminsert);
1027 		im_set_active(FALSE);
1028 	    }
1029 	    p_smd = save_smd;
1030 #endif
1031 #ifdef CURSOR_SHAPE
1032 	    State = NORMAL_BUSY;
1033 #endif
1034 #ifdef FEAT_CMDL_INFO
1035 	    need_flushbuf |= add_to_showcmd(*cp);
1036 #endif
1037 
1038 	    if (!lit)
1039 	    {
1040 #ifdef FEAT_DIGRAPHS
1041 		/* Typing CTRL-K gets a digraph. */
1042 		if (*cp == Ctrl_K
1043 			&& ((nv_cmds[idx].cmd_flags & NV_LANG)
1044 			    || cp == &ca.extra_char)
1045 			&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
1046 		{
1047 		    c = get_digraph(FALSE);
1048 		    if (c > 0)
1049 		    {
1050 			*cp = c;
1051 # ifdef FEAT_CMDL_INFO
1052 			/* Guessing how to update showcmd here... */
1053 			del_from_showcmd(3);
1054 			need_flushbuf |= add_to_showcmd(*cp);
1055 # endif
1056 		    }
1057 		}
1058 #endif
1059 
1060 		/* adjust chars > 127, except after "tTfFr" commands */
1061 		LANGMAP_ADJUST(*cp, !lang);
1062 #ifdef FEAT_RIGHTLEFT
1063 		/* adjust Hebrew mapped char */
1064 		if (p_hkmap && lang && KeyTyped)
1065 		    *cp = hkmap(*cp);
1066 # ifdef FEAT_FKMAP
1067 		/* adjust Farsi mapped char */
1068 		if (p_fkmap && lang && KeyTyped)
1069 		    *cp = fkmap(*cp);
1070 # endif
1071 #endif
1072 	    }
1073 
1074 	    /*
1075 	     * When the next character is CTRL-\ a following CTRL-N means the
1076 	     * command is aborted and we go to Normal mode.
1077 	     */
1078 	    if (cp == &ca.extra_char
1079 		    && ca.nchar == Ctrl_BSL
1080 		    && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1081 	    {
1082 		ca.cmdchar = Ctrl_BSL;
1083 		ca.nchar = ca.extra_char;
1084 		idx = find_command(ca.cmdchar);
1085 	    }
1086 	    else if (*cp == Ctrl_BSL)
1087 	    {
1088 		long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1089 
1090 		/* There is a busy wait here when typing "f<C-\>" and then
1091 		 * something different from CTRL-N.  Can't be avoided. */
1092 		while ((c = vpeekc()) <= 0 && towait > 0L)
1093 		{
1094 		    do_sleep(towait > 50L ? 50L : towait);
1095 		    towait -= 50L;
1096 		}
1097 		if (c > 0)
1098 		{
1099 		    c = plain_vgetc();
1100 		    if (c != Ctrl_N && c != Ctrl_G)
1101 			vungetc(c);
1102 		    else
1103 		    {
1104 			ca.cmdchar = Ctrl_BSL;
1105 			ca.nchar = c;
1106 			idx = find_command(ca.cmdchar);
1107 		    }
1108 		}
1109 	    }
1110 
1111 #ifdef FEAT_MBYTE
1112 	    /* When getting a text character and the next character is a
1113 	     * multi-byte character, it could be a composing character.
1114 	     * However, don't wait for it to arrive. */
1115 	    while (enc_utf8 && lang && (c = vpeekc()) > 0
1116 				 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1117 	    {
1118 		c = plain_vgetc();
1119 		if (!utf_iscomposing(c))
1120 		{
1121 		    vungetc(c);		/* it wasn't, put it back */
1122 		    break;
1123 		}
1124 		else if (ca.ncharC1 == 0)
1125 		    ca.ncharC1 = c;
1126 		else
1127 		    ca.ncharC2 = c;
1128 	    }
1129 #endif
1130 	}
1131 	--no_mapping;
1132 	--allow_keys;
1133     }
1134 
1135 #ifdef FEAT_CMDL_INFO
1136     /*
1137      * Flush the showcmd characters onto the screen so we can see them while
1138      * the command is being executed.  Only do this when the shown command was
1139      * actually displayed, otherwise this will slow down a lot when executing
1140      * mappings.
1141      */
1142     if (need_flushbuf)
1143 	out_flush();
1144 #endif
1145 #ifdef FEAT_AUTOCMD
1146     if (ca.cmdchar != K_IGNORE)
1147 	did_cursorhold = FALSE;
1148 #endif
1149 
1150     State = NORMAL;
1151 
1152     if (ca.nchar == ESC)
1153     {
1154 	clearop(oap);
1155 	if (restart_edit == 0 && goto_im())
1156 	    restart_edit = 'a';
1157 	goto normal_end;
1158     }
1159 
1160     if (ca.cmdchar != K_IGNORE)
1161     {
1162 	msg_didout = FALSE;    /* don't scroll screen up for normal command */
1163 	msg_col = 0;
1164     }
1165 
1166 #ifdef FEAT_VISUAL
1167     old_pos = curwin->w_cursor;		/* remember where cursor was */
1168 
1169     /* When 'keymodel' contains "startsel" some keys start Select/Visual
1170      * mode. */
1171     if (!VIsual_active && km_startsel)
1172     {
1173 	if (nv_cmds[idx].cmd_flags & NV_SS)
1174 	{
1175 	    start_selection();
1176 	    unshift_special(&ca);
1177 	    idx = find_command(ca.cmdchar);
1178 	}
1179 	else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1180 					   && (mod_mask & MOD_MASK_SHIFT))
1181 	{
1182 	    start_selection();
1183 	    mod_mask &= ~MOD_MASK_SHIFT;
1184 	}
1185     }
1186 #endif
1187 
1188     /*
1189      * Execute the command!
1190      * Call the command function found in the commands table.
1191      */
1192     ca.arg = nv_cmds[idx].cmd_arg;
1193     (nv_cmds[idx].cmd_func)(&ca);
1194 
1195     /*
1196      * If we didn't start or finish an operator, reset oap->regname, unless we
1197      * need it later.
1198      */
1199     if (!finish_op
1200 	    && !oap->op_type
1201 	    && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1202     {
1203 	clearop(oap);
1204 #ifdef FEAT_EVAL
1205 	{
1206 	    int regname = 0;
1207 
1208 	    /* Adjust the register according to 'clipboard', so that when
1209 	     * "unnamed" is present it becomes '*' or '+' instead of '"'. */
1210 # ifdef FEAT_CLIPBOARD
1211 	    adjust_clip_reg(&regname);
1212 # endif
1213 	    set_reg_var(regname);
1214 	}
1215 #endif
1216     }
1217 
1218 #ifdef FEAT_VISUAL
1219     /* Get the length of mapped chars again after typing a count, second
1220      * character or "z333<cr>". */
1221     if (old_mapped_len > 0)
1222 	old_mapped_len = typebuf_maplen();
1223 #endif
1224 
1225     /*
1226      * If an operation is pending, handle it...
1227      */
1228     do_pending_operator(&ca, old_col, FALSE);
1229 
1230     /*
1231      * Wait for a moment when a message is displayed that will be overwritten
1232      * by the mode message.
1233      * In Visual mode and with "^O" in Insert mode, a short message will be
1234      * overwritten by the mode message.  Wait a bit, until a key is hit.
1235      * In Visual mode, it's more important to keep the Visual area updated
1236      * than keeping a message (e.g. from a /pat search).
1237      * Only do this if the command was typed, not from a mapping.
1238      * Don't wait when emsg_silent is non-zero.
1239      * Also wait a bit after an error message, e.g. for "^O:".
1240      * Don't redraw the screen, it would remove the message.
1241      */
1242     if (       ((p_smd
1243 		    && msg_silent == 0
1244 		    && (restart_edit != 0
1245 #ifdef FEAT_VISUAL
1246 			|| (VIsual_active
1247 			    && old_pos.lnum == curwin->w_cursor.lnum
1248 			    && old_pos.col == curwin->w_cursor.col)
1249 #endif
1250 		       )
1251 		    && (clear_cmdline
1252 			|| redraw_cmdline)
1253 		    && (msg_didout || (msg_didany && msg_scroll))
1254 		    && !msg_nowait
1255 		    && KeyTyped)
1256 		|| (restart_edit != 0
1257 #ifdef FEAT_VISUAL
1258 		    && !VIsual_active
1259 #endif
1260 		    && (msg_scroll
1261 			|| emsg_on_display)))
1262 	    && oap->regname == 0
1263 	    && !(ca.retval & CA_COMMAND_BUSY)
1264 	    && stuff_empty()
1265 	    && typebuf_typed()
1266 	    && emsg_silent == 0
1267 	    && !did_wait_return
1268 	    && oap->op_type == OP_NOP)
1269     {
1270 	int	save_State = State;
1271 
1272 	/* Draw the cursor with the right shape here */
1273 	if (restart_edit != 0)
1274 	    State = INSERT;
1275 
1276 	/* If need to redraw, and there is a "keep_msg", redraw before the
1277 	 * delay */
1278 	if (must_redraw && keep_msg != NULL && !emsg_on_display)
1279 	{
1280 	    char_u	*kmsg;
1281 
1282 	    kmsg = keep_msg;
1283 	    keep_msg = NULL;
1284 	    /* showmode() will clear keep_msg, but we want to use it anyway */
1285 	    update_screen(0);
1286 	    /* now reset it, otherwise it's put in the history again */
1287 	    keep_msg = kmsg;
1288 	    msg_attr(kmsg, keep_msg_attr);
1289 	    vim_free(kmsg);
1290 	}
1291 	setcursor();
1292 	cursor_on();
1293 	out_flush();
1294 	if (msg_scroll || emsg_on_display)
1295 	    ui_delay(1000L, TRUE);	/* wait at least one second */
1296 	ui_delay(3000L, FALSE);		/* wait up to three seconds */
1297 	State = save_State;
1298 
1299 	msg_scroll = FALSE;
1300 	emsg_on_display = FALSE;
1301     }
1302 
1303     /*
1304      * Finish up after executing a Normal mode command.
1305      */
1306 normal_end:
1307 
1308     msg_nowait = FALSE;
1309 
1310     /* Reset finish_op, in case it was set */
1311 #ifdef CURSOR_SHAPE
1312     c = finish_op;
1313 #endif
1314     finish_op = FALSE;
1315 #ifdef CURSOR_SHAPE
1316     /* Redraw the cursor with another shape, if we were in Operator-pending
1317      * mode or did a replace command. */
1318     if (c || ca.cmdchar == 'r')
1319     {
1320 	ui_cursor_shape();		/* may show different cursor shape */
1321 # ifdef FEAT_MOUSESHAPE
1322 	update_mouseshape(-1);
1323 # endif
1324     }
1325 #endif
1326 
1327 #ifdef FEAT_CMDL_INFO
1328     if (oap->op_type == OP_NOP && oap->regname == 0
1329 # ifdef FEAT_AUTOCMD
1330 	    && ca.cmdchar != K_CURSORHOLD
1331 # endif
1332 	    )
1333 	clear_showcmd();
1334 #endif
1335 
1336     checkpcmark();		/* check if we moved since setting pcmark */
1337     vim_free(ca.searchbuf);
1338 
1339 #ifdef FEAT_MBYTE
1340     if (has_mbyte)
1341 	mb_adjust_cursor();
1342 #endif
1343 
1344 #ifdef FEAT_SCROLLBIND
1345     if (curwin->w_p_scb && toplevel)
1346     {
1347 	validate_cursor();	/* may need to update w_leftcol */
1348 	do_check_scrollbind(TRUE);
1349     }
1350 #endif
1351 
1352 #ifdef FEAT_CURSORBIND
1353     if (curwin->w_p_crb && toplevel)
1354     {
1355 	validate_cursor();	/* may need to update w_leftcol */
1356 	do_check_cursorbind();
1357     }
1358 #endif
1359 
1360     /*
1361      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1362      * if still inside a mapping that started in Visual mode).
1363      * May switch from Visual to Select mode after CTRL-O command.
1364      */
1365     if (       oap->op_type == OP_NOP
1366 #ifdef FEAT_VISUAL
1367 	    && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1368 		|| restart_VIsual_select == 1)
1369 #else
1370 	    && restart_edit != 0
1371 #endif
1372 	    && !(ca.retval & CA_COMMAND_BUSY)
1373 	    && stuff_empty()
1374 	    && oap->regname == 0)
1375     {
1376 #ifdef FEAT_VISUAL
1377 	if (restart_VIsual_select == 1)
1378 	{
1379 	    VIsual_select = TRUE;
1380 	    showmode();
1381 	    restart_VIsual_select = 0;
1382 	}
1383 #endif
1384 	if (restart_edit != 0
1385 #ifdef FEAT_VISUAL
1386 		&& !VIsual_active && old_mapped_len == 0
1387 #endif
1388 		)
1389 	    (void)edit(restart_edit, FALSE, 1L);
1390     }
1391 
1392 #ifdef FEAT_VISUAL
1393     if (restart_VIsual_select == 2)
1394 	restart_VIsual_select = 1;
1395 #endif
1396 
1397     /* Save count before an operator for next time. */
1398     opcount = ca.opcount;
1399 }
1400 
1401 #ifdef FEAT_EVAL
1402 /*
1403  * Set v:count and v:count1 according to "cap".
1404  * Set v:prevcount only when "set_prevcount" is TRUE.
1405  */
1406     static void
1407 set_vcount_ca(cap, set_prevcount)
1408     cmdarg_T	*cap;
1409     int		*set_prevcount;
1410 {
1411     long count = cap->count0;
1412 
1413     /* multiply with cap->opcount the same way as above */
1414     if (cap->opcount != 0)
1415 	count = cap->opcount * (count == 0 ? 1 : count);
1416     set_vcount(count, count == 0 ? 1 : count, *set_prevcount);
1417     *set_prevcount = FALSE;  /* only set v:prevcount once */
1418 }
1419 #endif
1420 
1421 /*
1422  * Handle an operator after visual mode or when the movement is finished
1423  */
1424     void
1425 do_pending_operator(cap, old_col, gui_yank)
1426     cmdarg_T	*cap;
1427     int		old_col;
1428     int		gui_yank;
1429 {
1430     oparg_T	*oap = cap->oap;
1431     pos_T	old_cursor;
1432     int		empty_region_error;
1433     int		restart_edit_save;
1434 
1435 #ifdef FEAT_VISUAL
1436     /* The visual area is remembered for redo */
1437     static int	    redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1438     static linenr_T redo_VIsual_line_count; /* number of lines */
1439     static colnr_T  redo_VIsual_vcol;	    /* number of cols or end column */
1440     static long	    redo_VIsual_count;	    /* count for Visual operator */
1441 # ifdef FEAT_VIRTUALEDIT
1442     int		    include_line_break = FALSE;
1443 # endif
1444 #endif
1445 
1446 #if defined(FEAT_CLIPBOARD)
1447     /*
1448      * Yank the visual area into the GUI selection register before we operate
1449      * on it and lose it forever.
1450      * Don't do it if a specific register was specified, so that ""x"*P works.
1451      * This could call do_pending_operator() recursively, but that's OK
1452      * because gui_yank will be TRUE for the nested call.
1453      */
1454     if (clip_star.available
1455 	    && oap->op_type != OP_NOP
1456 	    && !gui_yank
1457 # ifdef FEAT_VISUAL
1458 	    && VIsual_active
1459 	    && !redo_VIsual_busy
1460 # endif
1461 	    && oap->regname == 0)
1462 	clip_auto_select();
1463 #endif
1464     old_cursor = curwin->w_cursor;
1465 
1466     /*
1467      * If an operation is pending, handle it...
1468      */
1469     if ((finish_op
1470 #ifdef FEAT_VISUAL
1471 		|| VIsual_active
1472 #endif
1473 		) && oap->op_type != OP_NOP)
1474     {
1475 #ifdef FEAT_VISUAL
1476 	oap->is_VIsual = VIsual_active;
1477 	if (oap->motion_force == 'V')
1478 	    oap->motion_type = MLINE;
1479 	else if (oap->motion_force == 'v')
1480 	{
1481 	    /* If the motion was linewise, "inclusive" will not have been set.
1482 	     * Use "exclusive" to be consistent.  Makes "dvj" work nice. */
1483 	    if (oap->motion_type == MLINE)
1484 		oap->inclusive = FALSE;
1485 	    /* If the motion already was characterwise, toggle "inclusive" */
1486 	    else if (oap->motion_type == MCHAR)
1487 		oap->inclusive = !oap->inclusive;
1488 	    oap->motion_type = MCHAR;
1489 	}
1490 	else if (oap->motion_force == Ctrl_V)
1491 	{
1492 	    /* Change line- or characterwise motion into Visual block mode. */
1493 	    VIsual_active = TRUE;
1494 	    VIsual = oap->start;
1495 	    VIsual_mode = Ctrl_V;
1496 	    VIsual_select = FALSE;
1497 	    VIsual_reselect = FALSE;
1498 	}
1499 #endif
1500 
1501 	/* only redo yank when 'y' flag is in 'cpoptions' */
1502 	/* never redo "zf" (define fold) */
1503 	if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1504 #ifdef FEAT_VISUAL
1505 		&& (!VIsual_active || oap->motion_force)
1506 #endif
1507 		&& cap->cmdchar != 'D'
1508 #ifdef FEAT_FOLDING
1509 		&& oap->op_type != OP_FOLD
1510 		&& oap->op_type != OP_FOLDOPEN
1511 		&& oap->op_type != OP_FOLDOPENREC
1512 		&& oap->op_type != OP_FOLDCLOSE
1513 		&& oap->op_type != OP_FOLDCLOSEREC
1514 		&& oap->op_type != OP_FOLDDEL
1515 		&& oap->op_type != OP_FOLDDELREC
1516 #endif
1517 		)
1518 	{
1519 	    prep_redo(oap->regname, cap->count0,
1520 		    get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1521 		    oap->motion_force, cap->cmdchar, cap->nchar);
1522 	    if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1523 	    {
1524 		/*
1525 		 * If 'cpoptions' does not contain 'r', insert the search
1526 		 * pattern to really repeat the same command.
1527 		 */
1528 		if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1529 		    AppendToRedobuffLit(cap->searchbuf, -1);
1530 		AppendToRedobuff(NL_STR);
1531 	    }
1532 	    else if (cap->cmdchar == ':')
1533 	    {
1534 		/* do_cmdline() has stored the first typed line in
1535 		 * "repeat_cmdline".  When several lines are typed repeating
1536 		 * won't be possible. */
1537 		if (repeat_cmdline == NULL)
1538 		    ResetRedobuff();
1539 		else
1540 		{
1541 		    AppendToRedobuffLit(repeat_cmdline, -1);
1542 		    AppendToRedobuff(NL_STR);
1543 		    vim_free(repeat_cmdline);
1544 		    repeat_cmdline = NULL;
1545 		}
1546 	    }
1547 	}
1548 
1549 #ifdef FEAT_VISUAL
1550 	if (redo_VIsual_busy)
1551 	{
1552 	    /* Redo of an operation on a Visual area. Use the same size from
1553 	     * redo_VIsual_line_count and redo_VIsual_vcol. */
1554 	    oap->start = curwin->w_cursor;
1555 	    curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1556 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1557 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1558 	    VIsual_mode = redo_VIsual_mode;
1559 	    if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v')
1560 	    {
1561 		if (VIsual_mode == 'v')
1562 		{
1563 		    if (redo_VIsual_line_count <= 1)
1564 		    {
1565 			validate_virtcol();
1566 			curwin->w_curswant =
1567 				     curwin->w_virtcol + redo_VIsual_vcol - 1;
1568 		    }
1569 		    else
1570 			curwin->w_curswant = redo_VIsual_vcol;
1571 		}
1572 		else
1573 		{
1574 		    curwin->w_curswant = MAXCOL;
1575 		}
1576 		coladvance(curwin->w_curswant);
1577 	    }
1578 	    cap->count0 = redo_VIsual_count;
1579 	    if (redo_VIsual_count != 0)
1580 		cap->count1 = redo_VIsual_count;
1581 	    else
1582 		cap->count1 = 1;
1583 	}
1584 	else if (VIsual_active)
1585 	{
1586 	    if (!gui_yank)
1587 	    {
1588 		/* Save the current VIsual area for '< and '> marks, and "gv" */
1589 		curbuf->b_visual.vi_start = VIsual;
1590 		curbuf->b_visual.vi_end = curwin->w_cursor;
1591 		curbuf->b_visual.vi_mode = VIsual_mode;
1592 		curbuf->b_visual.vi_curswant = curwin->w_curswant;
1593 # ifdef FEAT_EVAL
1594 		curbuf->b_visual_mode_eval = VIsual_mode;
1595 # endif
1596 	    }
1597 
1598 	    /* In Select mode, a linewise selection is operated upon like a
1599 	     * characterwise selection. */
1600 	    if (VIsual_select && VIsual_mode == 'V')
1601 	    {
1602 		if (lt(VIsual, curwin->w_cursor))
1603 		{
1604 		    VIsual.col = 0;
1605 		    curwin->w_cursor.col =
1606 			       (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1607 		}
1608 		else
1609 		{
1610 		    curwin->w_cursor.col = 0;
1611 		    VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1612 		}
1613 		VIsual_mode = 'v';
1614 	    }
1615 	    /* If 'selection' is "exclusive", backup one character for
1616 	     * charwise selections. */
1617 	    else if (VIsual_mode == 'v')
1618 	    {
1619 # ifdef FEAT_VIRTUALEDIT
1620 		include_line_break =
1621 # endif
1622 		    unadjust_for_sel();
1623 	    }
1624 
1625 	    oap->start = VIsual;
1626 	    if (VIsual_mode == 'V')
1627 		oap->start.col = 0;
1628 	}
1629 #endif /* FEAT_VISUAL */
1630 
1631 	/*
1632 	 * Set oap->start to the first position of the operated text, oap->end
1633 	 * to the end of the operated text.  w_cursor is equal to oap->start.
1634 	 */
1635 	if (lt(oap->start, curwin->w_cursor))
1636 	{
1637 #ifdef FEAT_FOLDING
1638 	    /* Include folded lines completely. */
1639 	    if (!VIsual_active)
1640 	    {
1641 		if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1642 		    oap->start.col = 0;
1643 		if (hasFolding(curwin->w_cursor.lnum, NULL,
1644 						      &curwin->w_cursor.lnum))
1645 		    curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1646 	    }
1647 #endif
1648 	    oap->end = curwin->w_cursor;
1649 	    curwin->w_cursor = oap->start;
1650 
1651 	    /* w_virtcol may have been updated; if the cursor goes back to its
1652 	     * previous position w_virtcol becomes invalid and isn't updated
1653 	     * automatically. */
1654 	    curwin->w_valid &= ~VALID_VIRTCOL;
1655 	}
1656 	else
1657 	{
1658 #ifdef FEAT_FOLDING
1659 	    /* Include folded lines completely. */
1660 	    if (!VIsual_active && oap->motion_type == MLINE)
1661 	    {
1662 		if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1663 									NULL))
1664 		    curwin->w_cursor.col = 0;
1665 		if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1666 		    oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1667 	    }
1668 #endif
1669 	    oap->end = oap->start;
1670 	    oap->start = curwin->w_cursor;
1671 	}
1672 
1673 	oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1674 
1675 #ifdef FEAT_VIRTUALEDIT
1676 	/* Set "virtual_op" before resetting VIsual_active. */
1677 	virtual_op = virtual_active();
1678 #endif
1679 
1680 #ifdef FEAT_VISUAL
1681 	if (VIsual_active || redo_VIsual_busy)
1682 	{
1683 	    if (VIsual_mode == Ctrl_V)	/* block mode */
1684 	    {
1685 		colnr_T	    start, end;
1686 
1687 		oap->block_mode = TRUE;
1688 
1689 		getvvcol(curwin, &(oap->start),
1690 				      &oap->start_vcol, NULL, &oap->end_vcol);
1691 		if (!redo_VIsual_busy)
1692 		{
1693 		    getvvcol(curwin, &(oap->end), &start, NULL, &end);
1694 
1695 		    if (start < oap->start_vcol)
1696 			oap->start_vcol = start;
1697 		    if (end > oap->end_vcol)
1698 		    {
1699 			if (*p_sel == 'e' && start >= 1
1700 						&& start - 1 >= oap->end_vcol)
1701 			    oap->end_vcol = start - 1;
1702 			else
1703 			    oap->end_vcol = end;
1704 		    }
1705 		}
1706 
1707 		/* if '$' was used, get oap->end_vcol from longest line */
1708 		if (curwin->w_curswant == MAXCOL)
1709 		{
1710 		    curwin->w_cursor.col = MAXCOL;
1711 		    oap->end_vcol = 0;
1712 		    for (curwin->w_cursor.lnum = oap->start.lnum;
1713 			    curwin->w_cursor.lnum <= oap->end.lnum;
1714 						      ++curwin->w_cursor.lnum)
1715 		    {
1716 			getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1717 			if (end > oap->end_vcol)
1718 			    oap->end_vcol = end;
1719 		    }
1720 		}
1721 		else if (redo_VIsual_busy)
1722 		    oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1;
1723 		/*
1724 		 * Correct oap->end.col and oap->start.col to be the
1725 		 * upper-left and lower-right corner of the block area.
1726 		 *
1727 		 * (Actually, this does convert column positions into character
1728 		 * positions)
1729 		 */
1730 		curwin->w_cursor.lnum = oap->end.lnum;
1731 		coladvance(oap->end_vcol);
1732 		oap->end = curwin->w_cursor;
1733 
1734 		curwin->w_cursor = oap->start;
1735 		coladvance(oap->start_vcol);
1736 		oap->start = curwin->w_cursor;
1737 	    }
1738 
1739 	    if (!redo_VIsual_busy && !gui_yank)
1740 	    {
1741 		/*
1742 		 * Prepare to reselect and redo Visual: this is based on the
1743 		 * size of the Visual text
1744 		 */
1745 		resel_VIsual_mode = VIsual_mode;
1746 		if (curwin->w_curswant == MAXCOL)
1747 		    resel_VIsual_vcol = MAXCOL;
1748 		else
1749 		{
1750 		    if (VIsual_mode != Ctrl_V)
1751 			getvvcol(curwin, &(oap->end),
1752 						  NULL, NULL, &oap->end_vcol);
1753 		    if (VIsual_mode == Ctrl_V || oap->line_count <= 1)
1754 		    {
1755 			if (VIsual_mode != Ctrl_V)
1756 			    getvvcol(curwin, &(oap->start),
1757 						&oap->start_vcol, NULL, NULL);
1758 			resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1;
1759 		    }
1760 		    else
1761 			resel_VIsual_vcol = oap->end_vcol;
1762 		}
1763 		resel_VIsual_line_count = oap->line_count;
1764 	    }
1765 
1766 	    /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1767 	    if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1768 		    && oap->op_type != OP_COLON
1769 #ifdef FEAT_FOLDING
1770 		    && oap->op_type != OP_FOLD
1771 		    && oap->op_type != OP_FOLDOPEN
1772 		    && oap->op_type != OP_FOLDOPENREC
1773 		    && oap->op_type != OP_FOLDCLOSE
1774 		    && oap->op_type != OP_FOLDCLOSEREC
1775 		    && oap->op_type != OP_FOLDDEL
1776 		    && oap->op_type != OP_FOLDDELREC
1777 #endif
1778 		    && oap->motion_force == NUL
1779 		    )
1780 	    {
1781 		/* Prepare for redoing.  Only use the nchar field for "r",
1782 		 * otherwise it might be the second char of the operator. */
1783 		prep_redo(oap->regname, 0L, NUL, 'v',
1784 				get_op_char(oap->op_type),
1785 				get_extra_op_char(oap->op_type),
1786 				oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1787 		if (!redo_VIsual_busy)
1788 		{
1789 		    redo_VIsual_mode = resel_VIsual_mode;
1790 		    redo_VIsual_vcol = resel_VIsual_vcol;
1791 		    redo_VIsual_line_count = resel_VIsual_line_count;
1792 		    redo_VIsual_count = cap->count0;
1793 		}
1794 	    }
1795 
1796 	    /*
1797 	     * oap->inclusive defaults to TRUE.
1798 	     * If oap->end is on a NUL (empty line) oap->inclusive becomes
1799 	     * FALSE.  This makes "d}P" and "v}dP" work the same.
1800 	     */
1801 	    if (oap->motion_force == NUL || oap->motion_type == MLINE)
1802 		oap->inclusive = TRUE;
1803 	    if (VIsual_mode == 'V')
1804 		oap->motion_type = MLINE;
1805 	    else
1806 	    {
1807 		oap->motion_type = MCHAR;
1808 		if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1809 # ifdef FEAT_VIRTUALEDIT
1810 			&& (include_line_break || !virtual_op)
1811 # endif
1812 			)
1813 		{
1814 		    oap->inclusive = FALSE;
1815 		    /* Try to include the newline, unless it's an operator
1816 		     * that works on lines only. */
1817 		    if (*p_sel != 'o' && !op_on_lines(oap->op_type))
1818 		    {
1819 			if (oap->end.lnum < curbuf->b_ml.ml_line_count)
1820 			{
1821 			    ++oap->end.lnum;
1822 			    oap->end.col = 0;
1823 # ifdef FEAT_VIRTUALEDIT
1824 			    oap->end.coladd = 0;
1825 # endif
1826 			    ++oap->line_count;
1827 			}
1828 			else
1829 			{
1830 			    /* Cannot move below the last line, make the op
1831 			     * inclusive to tell the operation to include the
1832 			     * line break. */
1833 			    oap->inclusive = TRUE;
1834 			}
1835 		    }
1836 		}
1837 	    }
1838 
1839 	    redo_VIsual_busy = FALSE;
1840 
1841 	    /*
1842 	     * Switch Visual off now, so screen updating does
1843 	     * not show inverted text when the screen is redrawn.
1844 	     * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1845 	     * no screen redraw, so it is done here to remove the inverted
1846 	     * part.
1847 	     */
1848 	    if (!gui_yank)
1849 	    {
1850 		VIsual_active = FALSE;
1851 # ifdef FEAT_MOUSE
1852 		setmouse();
1853 		mouse_dragging = 0;
1854 # endif
1855 		if (mode_displayed)
1856 		    clear_cmdline = TRUE;   /* unshow visual mode later */
1857 #ifdef FEAT_CMDL_INFO
1858 		else
1859 		    clear_showcmd();
1860 #endif
1861 		if ((oap->op_type == OP_YANK
1862 			    || oap->op_type == OP_COLON
1863 			    || oap->op_type == OP_FUNCTION
1864 			    || oap->op_type == OP_FILTER)
1865 			&& oap->motion_force == NUL)
1866 		    redraw_curbuf_later(INVERTED);
1867 	    }
1868 	}
1869 #endif
1870 
1871 #ifdef FEAT_MBYTE
1872 	/* Include the trailing byte of a multi-byte char. */
1873 	if (has_mbyte && oap->inclusive)
1874 	{
1875 	    int		l;
1876 
1877 	    l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1878 	    if (l > 1)
1879 		oap->end.col += l - 1;
1880 	}
1881 #endif
1882 	curwin->w_set_curswant = TRUE;
1883 
1884 	/*
1885 	 * oap->empty is set when start and end are the same.  The inclusive
1886 	 * flag affects this too, unless yanking and the end is on a NUL.
1887 	 */
1888 	oap->empty = (oap->motion_type == MCHAR
1889 		    && (!oap->inclusive
1890 			|| (oap->op_type == OP_YANK
1891 			    && gchar_pos(&oap->end) == NUL))
1892 		    && equalpos(oap->start, oap->end)
1893 #ifdef FEAT_VIRTUALEDIT
1894 		    && !(virtual_op && oap->start.coladd != oap->end.coladd)
1895 #endif
1896 		    );
1897 	/*
1898 	 * For delete, change and yank, it's an error to operate on an
1899 	 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1900 	 */
1901 	empty_region_error = (oap->empty
1902 				&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1903 
1904 #ifdef FEAT_VISUAL
1905 	/* Force a redraw when operating on an empty Visual region, when
1906 	 * 'modifiable is off or creating a fold. */
1907 	if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1908 # ifdef FEAT_FOLDING
1909 		    || oap->op_type == OP_FOLD
1910 # endif
1911 		    ))
1912 	    redraw_curbuf_later(INVERTED);
1913 #endif
1914 
1915 	/*
1916 	 * If the end of an operator is in column one while oap->motion_type
1917 	 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1918 	 * character in the previous line. If op_start is on or before the
1919 	 * first non-blank in the line, the operator becomes linewise
1920 	 * (strange, but that's the way vi does it).
1921 	 */
1922 	if (	   oap->motion_type == MCHAR
1923 		&& oap->inclusive == FALSE
1924 		&& !(cap->retval & CA_NO_ADJ_OP_END)
1925 		&& oap->end.col == 0
1926 #ifdef FEAT_VISUAL
1927 		&& (!oap->is_VIsual || *p_sel == 'o')
1928 		&& !oap->block_mode
1929 #endif
1930 		&& oap->line_count > 1)
1931 	{
1932 	    oap->end_adjusted = TRUE;	    /* remember that we did this */
1933 	    --oap->line_count;
1934 	    --oap->end.lnum;
1935 	    if (inindent(0))
1936 		oap->motion_type = MLINE;
1937 	    else
1938 	    {
1939 		oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1940 		if (oap->end.col)
1941 		{
1942 		    --oap->end.col;
1943 		    oap->inclusive = TRUE;
1944 		}
1945 	    }
1946 	}
1947 	else
1948 	    oap->end_adjusted = FALSE;
1949 
1950 	switch (oap->op_type)
1951 	{
1952 	case OP_LSHIFT:
1953 	case OP_RSHIFT:
1954 	    op_shift(oap, TRUE,
1955 #ifdef FEAT_VISUAL
1956 		    oap->is_VIsual ? (int)cap->count1 :
1957 #endif
1958 		    1);
1959 	    auto_format(FALSE, TRUE);
1960 	    break;
1961 
1962 	case OP_JOIN_NS:
1963 	case OP_JOIN:
1964 	    if (oap->line_count < 2)
1965 		oap->line_count = 2;
1966 	    if (curwin->w_cursor.lnum + oap->line_count - 1 >
1967 						   curbuf->b_ml.ml_line_count)
1968 		beep_flush();
1969 	    else
1970 	    {
1971 		(void)do_join(oap->line_count, oap->op_type == OP_JOIN, TRUE);
1972 		auto_format(FALSE, TRUE);
1973 	    }
1974 	    break;
1975 
1976 	case OP_DELETE:
1977 #ifdef FEAT_VISUAL
1978 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1979 #endif
1980 	    if (empty_region_error)
1981 	    {
1982 		vim_beep();
1983 		CancelRedo();
1984 	    }
1985 	    else
1986 	    {
1987 		(void)op_delete(oap);
1988 		if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1989 		    u_save_cursor();	    /* cursor line wasn't saved yet */
1990 		auto_format(FALSE, TRUE);
1991 	    }
1992 	    break;
1993 
1994 	case OP_YANK:
1995 	    if (empty_region_error)
1996 	    {
1997 		if (!gui_yank)
1998 		{
1999 		    vim_beep();
2000 		    CancelRedo();
2001 		}
2002 	    }
2003 	    else
2004 		(void)op_yank(oap, FALSE, !gui_yank);
2005 	    check_cursor_col();
2006 	    break;
2007 
2008 	case OP_CHANGE:
2009 #ifdef FEAT_VISUAL
2010 	    VIsual_reselect = FALSE;	    /* don't reselect now */
2011 #endif
2012 	    if (empty_region_error)
2013 	    {
2014 		vim_beep();
2015 		CancelRedo();
2016 	    }
2017 	    else
2018 	    {
2019 		/* This is a new edit command, not a restart.  Need to
2020 		 * remember it to make 'insertmode' work with mappings for
2021 		 * Visual mode.  But do this only once and not when typed and
2022 		 * 'insertmode' isn't set. */
2023 		if (p_im || !KeyTyped)
2024 		    restart_edit_save = restart_edit;
2025 		else
2026 		    restart_edit_save = 0;
2027 		restart_edit = 0;
2028 		/* Reset finish_op now, don't want it set inside edit(). */
2029 		finish_op = FALSE;
2030 		if (op_change(oap))	/* will call edit() */
2031 		    cap->retval |= CA_COMMAND_BUSY;
2032 		if (restart_edit == 0)
2033 		    restart_edit = restart_edit_save;
2034 	    }
2035 	    break;
2036 
2037 	case OP_FILTER:
2038 	    if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
2039 		AppendToRedobuff((char_u *)"!\r");  /* use any last used !cmd */
2040 	    else
2041 		bangredo = TRUE;    /* do_bang() will put cmd in redo buffer */
2042 
2043 	case OP_INDENT:
2044 	case OP_COLON:
2045 
2046 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
2047 	    /*
2048 	     * If 'equalprg' is empty, do the indenting internally.
2049 	     */
2050 	    if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
2051 	    {
2052 # ifdef FEAT_LISP
2053 		if (curbuf->b_p_lisp)
2054 		{
2055 		    op_reindent(oap, get_lisp_indent);
2056 		    break;
2057 		}
2058 # endif
2059 # ifdef FEAT_CINDENT
2060 		op_reindent(oap,
2061 #  ifdef FEAT_EVAL
2062 			*curbuf->b_p_inde != NUL ? get_expr_indent :
2063 #  endif
2064 			    get_c_indent);
2065 		break;
2066 # endif
2067 	    }
2068 #endif
2069 
2070 	    op_colon(oap);
2071 	    break;
2072 
2073 	case OP_TILDE:
2074 	case OP_UPPER:
2075 	case OP_LOWER:
2076 	case OP_ROT13:
2077 	    if (empty_region_error)
2078 	    {
2079 		vim_beep();
2080 		CancelRedo();
2081 	    }
2082 	    else
2083 		op_tilde(oap);
2084 	    check_cursor_col();
2085 	    break;
2086 
2087 	case OP_FORMAT:
2088 #if defined(FEAT_EVAL)
2089 	    if (*curbuf->b_p_fex != NUL)
2090 		op_formatexpr(oap);	/* use expression */
2091 	    else
2092 #endif
2093 		if (*p_fp != NUL)
2094 		op_colon(oap);		/* use external command */
2095 	    else
2096 		op_format(oap, FALSE);	/* use internal function */
2097 	    break;
2098 
2099 	case OP_FORMAT2:
2100 	    op_format(oap, TRUE);	/* use internal function */
2101 	    break;
2102 
2103 	case OP_FUNCTION:
2104 	    op_function(oap);		/* call 'operatorfunc' */
2105 	    break;
2106 
2107 	case OP_INSERT:
2108 	case OP_APPEND:
2109 #ifdef FEAT_VISUAL
2110 	    VIsual_reselect = FALSE;	/* don't reselect now */
2111 #endif
2112 #ifdef FEAT_VISUALEXTRA
2113 	    if (empty_region_error)
2114 	    {
2115 		vim_beep();
2116 		CancelRedo();
2117 	    }
2118 	    else
2119 	    {
2120 		/* This is a new edit command, not a restart.  Need to
2121 		 * remember it to make 'insertmode' work with mappings for
2122 		 * Visual mode.  But do this only once. */
2123 		restart_edit_save = restart_edit;
2124 		restart_edit = 0;
2125 
2126 		op_insert(oap, cap->count1);
2127 
2128 		/* TODO: when inserting in several lines, should format all
2129 		 * the lines. */
2130 		auto_format(FALSE, TRUE);
2131 
2132 		if (restart_edit == 0)
2133 		    restart_edit = restart_edit_save;
2134 	    }
2135 #else
2136 	    vim_beep();
2137 #endif
2138 	    break;
2139 
2140 	case OP_REPLACE:
2141 #ifdef FEAT_VISUAL
2142 	    VIsual_reselect = FALSE;	/* don't reselect now */
2143 #endif
2144 #ifdef FEAT_VISUALEXTRA
2145 	    if (empty_region_error)
2146 #endif
2147 	    {
2148 		vim_beep();
2149 		CancelRedo();
2150 	    }
2151 #ifdef FEAT_VISUALEXTRA
2152 	    else
2153 		op_replace(oap, cap->nchar);
2154 #endif
2155 	    break;
2156 
2157 #ifdef FEAT_FOLDING
2158 	case OP_FOLD:
2159 	    VIsual_reselect = FALSE;	/* don't reselect now */
2160 	    foldCreate(oap->start.lnum, oap->end.lnum);
2161 	    break;
2162 
2163 	case OP_FOLDOPEN:
2164 	case OP_FOLDOPENREC:
2165 	case OP_FOLDCLOSE:
2166 	case OP_FOLDCLOSEREC:
2167 	    VIsual_reselect = FALSE;	/* don't reselect now */
2168 	    opFoldRange(oap->start.lnum, oap->end.lnum,
2169 		    oap->op_type == OP_FOLDOPEN
2170 					    || oap->op_type == OP_FOLDOPENREC,
2171 		    oap->op_type == OP_FOLDOPENREC
2172 					  || oap->op_type == OP_FOLDCLOSEREC,
2173 					  oap->is_VIsual);
2174 	    break;
2175 
2176 	case OP_FOLDDEL:
2177 	case OP_FOLDDELREC:
2178 	    VIsual_reselect = FALSE;	/* don't reselect now */
2179 	    deleteFold(oap->start.lnum, oap->end.lnum,
2180 			       oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2181 	    break;
2182 #endif
2183 	default:
2184 	    clearopbeep(oap);
2185 	}
2186 #ifdef FEAT_VIRTUALEDIT
2187 	virtual_op = MAYBE;
2188 #endif
2189 	if (!gui_yank)
2190 	{
2191 	    /*
2192 	     * if 'sol' not set, go back to old column for some commands
2193 	     */
2194 	    if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2195 		    && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2196 						|| oap->op_type == OP_DELETE))
2197 		coladvance(curwin->w_curswant = old_col);
2198 	}
2199 	else
2200 	{
2201 	    curwin->w_cursor = old_cursor;
2202 	}
2203 #ifdef FEAT_VISUAL
2204 	oap->block_mode = FALSE;
2205 #endif
2206 	clearop(oap);
2207     }
2208 }
2209 
2210 /*
2211  * Handle indent and format operators and visual mode ":".
2212  */
2213     static void
2214 op_colon(oap)
2215     oparg_T	*oap;
2216 {
2217     stuffcharReadbuff(':');
2218 #ifdef FEAT_VISUAL
2219     if (oap->is_VIsual)
2220 	stuffReadbuff((char_u *)"'<,'>");
2221     else
2222 #endif
2223     {
2224 	/*
2225 	 * Make the range look nice, so it can be repeated.
2226 	 */
2227 	if (oap->start.lnum == curwin->w_cursor.lnum)
2228 	    stuffcharReadbuff('.');
2229 	else
2230 	    stuffnumReadbuff((long)oap->start.lnum);
2231 	if (oap->end.lnum != oap->start.lnum)
2232 	{
2233 	    stuffcharReadbuff(',');
2234 	    if (oap->end.lnum == curwin->w_cursor.lnum)
2235 		stuffcharReadbuff('.');
2236 	    else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2237 		stuffcharReadbuff('$');
2238 	    else if (oap->start.lnum == curwin->w_cursor.lnum)
2239 	    {
2240 		stuffReadbuff((char_u *)".+");
2241 		stuffnumReadbuff((long)oap->line_count - 1);
2242 	    }
2243 	    else
2244 		stuffnumReadbuff((long)oap->end.lnum);
2245 	}
2246     }
2247     if (oap->op_type != OP_COLON)
2248 	stuffReadbuff((char_u *)"!");
2249     if (oap->op_type == OP_INDENT)
2250     {
2251 #ifndef FEAT_CINDENT
2252 	if (*get_equalprg() == NUL)
2253 	    stuffReadbuff((char_u *)"indent");
2254 	else
2255 #endif
2256 	    stuffReadbuff(get_equalprg());
2257 	stuffReadbuff((char_u *)"\n");
2258     }
2259     else if (oap->op_type == OP_FORMAT)
2260     {
2261 	if (*p_fp == NUL)
2262 	    stuffReadbuff((char_u *)"fmt");
2263 	else
2264 	    stuffReadbuff(p_fp);
2265 	stuffReadbuff((char_u *)"\n']");
2266     }
2267 
2268     /*
2269      * do_cmdline() does the rest
2270      */
2271 }
2272 
2273 /*
2274  * Handle the "g@" operator: call 'operatorfunc'.
2275  */
2276     static void
2277 op_function(oap)
2278     oparg_T	*oap UNUSED;
2279 {
2280 #ifdef FEAT_EVAL
2281     char_u	*(argv[1]);
2282     int		save_virtual_op = virtual_op;
2283 
2284     if (*p_opfunc == NUL)
2285 	EMSG(_("E774: 'operatorfunc' is empty"));
2286     else
2287     {
2288 	/* Set '[ and '] marks to text to be operated on. */
2289 	curbuf->b_op_start = oap->start;
2290 	curbuf->b_op_end = oap->end;
2291 	if (oap->motion_type != MLINE && !oap->inclusive)
2292 	    /* Exclude the end position. */
2293 	    decl(&curbuf->b_op_end);
2294 
2295 	if (oap->block_mode)
2296 	    argv[0] = (char_u *)"block";
2297 	else if (oap->motion_type == MLINE)
2298 	    argv[0] = (char_u *)"line";
2299 	else
2300 	    argv[0] = (char_u *)"char";
2301 
2302 	/* Reset virtual_op so that 'virtualedit' can be changed in the
2303 	 * function. */
2304 	virtual_op = MAYBE;
2305 
2306 	(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2307 
2308 	virtual_op = save_virtual_op;
2309     }
2310 #else
2311     EMSG(_("E775: Eval feature not available"));
2312 #endif
2313 }
2314 
2315 #if defined(FEAT_MOUSE) || defined(PROTO)
2316 /*
2317  * Do the appropriate action for the current mouse click in the current mode.
2318  * Not used for Command-line mode.
2319  *
2320  * Normal Mode:
2321  * event	 modi-	position      visual	   change   action
2322  *		 fier	cursor			   window
2323  * left press	  -	yes	    end		    yes
2324  * left press	  C	yes	    end		    yes	    "^]" (2)
2325  * left press	  S	yes	    end		    yes	    "*" (2)
2326  * left drag	  -	yes	start if moved	    no
2327  * left relse	  -	yes	start if moved	    no
2328  * middle press	  -	yes	 if not active	    no	    put register
2329  * middle press	  -	yes	 if active	    no	    yank and put
2330  * right press	  -	yes	start or extend	    yes
2331  * right press	  S	yes	no change	    yes	    "#" (2)
2332  * right drag	  -	yes	extend		    no
2333  * right relse	  -	yes	extend		    no
2334  *
2335  * Insert or Replace Mode:
2336  * event	 modi-	position      visual	   change   action
2337  *		 fier	cursor			   window
2338  * left press	  -	yes	(cannot be active)  yes
2339  * left press	  C	yes	(cannot be active)  yes	    "CTRL-O^]" (2)
2340  * left press	  S	yes	(cannot be active)  yes	    "CTRL-O*" (2)
2341  * left drag	  -	yes	start or extend (1) no	    CTRL-O (1)
2342  * left relse	  -	yes	start or extend (1) no	    CTRL-O (1)
2343  * middle press	  -	no	(cannot be active)  no	    put register
2344  * right press	  -	yes	start or extend	    yes	    CTRL-O
2345  * right press	  S	yes	(cannot be active)  yes	    "CTRL-O#" (2)
2346  *
2347  * (1) only if mouse pointer moved since press
2348  * (2) only if click is in same buffer
2349  *
2350  * Return TRUE if start_arrow() should be called for edit mode.
2351  */
2352     int
2353 do_mouse(oap, c, dir, count, fixindent)
2354     oparg_T	*oap;		/* operator argument, can be NULL */
2355     int		c;		/* K_LEFTMOUSE, etc */
2356     int		dir;		/* Direction to 'put' if necessary */
2357     long	count;
2358     int		fixindent;	/* PUT_FIXINDENT if fixing indent necessary */
2359 {
2360     static int	do_always = FALSE;	/* ignore 'mouse' setting next time */
2361     static int	got_click = FALSE;	/* got a click some time back */
2362 
2363     int		which_button;	/* MOUSE_LEFT, _MIDDLE or _RIGHT */
2364     int		is_click;	/* If FALSE it's a drag or release event */
2365     int		is_drag;	/* If TRUE it's a drag event */
2366     int		jump_flags = 0;	/* flags for jump_to_mouse() */
2367     pos_T	start_visual;
2368     int		moved;		/* Has cursor moved? */
2369     int		in_status_line;	/* mouse in status line */
2370 #ifdef FEAT_WINDOWS
2371     static int	in_tab_line = FALSE; /* mouse clicked in tab line */
2372 #endif
2373 #ifdef FEAT_VERTSPLIT
2374     int		in_sep_line;	/* mouse in vertical separator line */
2375 #endif
2376     int		c1, c2;
2377 #if defined(FEAT_FOLDING)
2378     pos_T	save_cursor;
2379 #endif
2380     win_T	*old_curwin = curwin;
2381 #ifdef FEAT_VISUAL
2382     static pos_T orig_cursor;
2383     colnr_T	leftcol, rightcol;
2384     pos_T	end_visual;
2385     int		diff;
2386     int		old_active = VIsual_active;
2387     int		old_mode = VIsual_mode;
2388 #endif
2389     int		regname;
2390 
2391 #if defined(FEAT_FOLDING)
2392     save_cursor = curwin->w_cursor;
2393 #endif
2394 
2395     /*
2396      * When GUI is active, always recognize mouse events, otherwise:
2397      * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2398      * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2399      * - For command line and insert mode 'mouse' is checked before calling
2400      *	 do_mouse().
2401      */
2402     if (do_always)
2403 	do_always = FALSE;
2404     else
2405 #ifdef FEAT_GUI
2406 	if (!gui.in_use)
2407 #endif
2408 	{
2409 #ifdef FEAT_VISUAL
2410 	    if (VIsual_active)
2411 	    {
2412 		if (!mouse_has(MOUSE_VISUAL))
2413 		    return FALSE;
2414 	    }
2415 	    else
2416 #endif
2417 		if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2418 		return FALSE;
2419 	}
2420 
2421     which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2422 
2423 #ifdef FEAT_MOUSESHAPE
2424     /* May have stopped dragging the status or separator line.  The pointer is
2425      * most likely still on the status or separator line. */
2426     if (!is_drag && drag_status_line)
2427     {
2428 	drag_status_line = FALSE;
2429 	update_mouseshape(SHAPE_IDX_STATUS);
2430     }
2431 # ifdef FEAT_VERTSPLIT
2432     if (!is_drag && drag_sep_line)
2433     {
2434 	drag_sep_line = FALSE;
2435 	update_mouseshape(SHAPE_IDX_VSEP);
2436     }
2437 # endif
2438 #endif
2439 
2440     /*
2441      * Ignore drag and release events if we didn't get a click.
2442      */
2443     if (is_click)
2444 	got_click = TRUE;
2445     else
2446     {
2447 	if (!got_click)			/* didn't get click, ignore */
2448 	    return FALSE;
2449 	if (!is_drag)			/* release, reset got_click */
2450 	{
2451 	    got_click = FALSE;
2452 #ifdef FEAT_WINDOWS
2453 	    if (in_tab_line)
2454 	    {
2455 		in_tab_line = FALSE;
2456 		return FALSE;
2457 	    }
2458 #endif
2459 	}
2460     }
2461 
2462 #ifndef FEAT_VISUAL
2463     /*
2464      * ALT is only used for starging/extending Visual mode.
2465      */
2466     if ((mod_mask & MOD_MASK_ALT))
2467 	return FALSE;
2468 #endif
2469 
2470     /*
2471      * CTRL right mouse button does CTRL-T
2472      */
2473     if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2474     {
2475 	if (State & INSERT)
2476 	    stuffcharReadbuff(Ctrl_O);
2477 	if (count > 1)
2478 	    stuffnumReadbuff(count);
2479 	stuffcharReadbuff(Ctrl_T);
2480 	got_click = FALSE;		/* ignore drag&release now */
2481 	return FALSE;
2482     }
2483 
2484     /*
2485      * CTRL only works with left mouse button
2486      */
2487     if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2488 	return FALSE;
2489 
2490     /*
2491      * When a modifier is down, ignore drag and release events, as well as
2492      * multiple clicks and the middle mouse button.
2493      * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2494      */
2495     if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2496 							     | MOD_MASK_META))
2497 	    && (!is_click
2498 		|| (mod_mask & MOD_MASK_MULTI_CLICK)
2499 		|| which_button == MOUSE_MIDDLE)
2500 	    && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2501 		&& mouse_model_popup()
2502 		&& which_button == MOUSE_LEFT)
2503 	    && !((mod_mask & MOD_MASK_ALT)
2504 		&& !mouse_model_popup()
2505 		&& which_button == MOUSE_RIGHT)
2506 	    )
2507 	return FALSE;
2508 
2509     /*
2510      * If the button press was used as the movement command for an operator
2511      * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2512      * drag/release events.
2513      */
2514     if (!is_click && which_button == MOUSE_MIDDLE)
2515 	return FALSE;
2516 
2517     if (oap != NULL)
2518 	regname = oap->regname;
2519     else
2520 	regname = 0;
2521 
2522     /*
2523      * Middle mouse button does a 'put' of the selected text
2524      */
2525     if (which_button == MOUSE_MIDDLE)
2526     {
2527 	if (State == NORMAL)
2528 	{
2529 	    /*
2530 	     * If an operator was pending, we don't know what the user wanted
2531 	     * to do. Go back to normal mode: Clear the operator and beep().
2532 	     */
2533 	    if (oap != NULL && oap->op_type != OP_NOP)
2534 	    {
2535 		clearopbeep(oap);
2536 		return FALSE;
2537 	    }
2538 
2539 #ifdef FEAT_VISUAL
2540 	    /*
2541 	     * If visual was active, yank the highlighted text and put it
2542 	     * before the mouse pointer position.
2543 	     * In Select mode replace the highlighted text with the clipboard.
2544 	     */
2545 	    if (VIsual_active)
2546 	    {
2547 		if (VIsual_select)
2548 		{
2549 		    stuffcharReadbuff(Ctrl_G);
2550 		    stuffReadbuff((char_u *)"\"+p");
2551 		}
2552 		else
2553 		{
2554 		    stuffcharReadbuff('y');
2555 		    stuffcharReadbuff(K_MIDDLEMOUSE);
2556 		}
2557 		do_always = TRUE;	/* ignore 'mouse' setting next time */
2558 		return FALSE;
2559 	    }
2560 #endif
2561 	    /*
2562 	     * The rest is below jump_to_mouse()
2563 	     */
2564 	}
2565 
2566 	else if ((State & INSERT) == 0)
2567 	    return FALSE;
2568 
2569 	/*
2570 	 * Middle click in insert mode doesn't move the mouse, just insert the
2571 	 * contents of a register.  '.' register is special, can't insert that
2572 	 * with do_put().
2573 	 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2574 	 * happens for the GUI).
2575 	 */
2576 	if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2577 	{
2578 	    if (regname == '.')
2579 		insert_reg(regname, TRUE);
2580 	    else
2581 	    {
2582 #ifdef FEAT_CLIPBOARD
2583 		if (clip_star.available && regname == 0)
2584 		    regname = '*';
2585 #endif
2586 		if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2587 		    insert_reg(regname, TRUE);
2588 		else
2589 		{
2590 		    do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2591 
2592 		    /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2593 		    AppendCharToRedobuff(Ctrl_R);
2594 		    AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2595 		    AppendCharToRedobuff(regname == 0 ? '"' : regname);
2596 		}
2597 	    }
2598 	    return FALSE;
2599 	}
2600     }
2601 
2602     /* When dragging or button-up stay in the same window. */
2603     if (!is_click)
2604 	jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2605 
2606     start_visual.lnum = 0;
2607 
2608 #ifdef FEAT_WINDOWS
2609     /* Check for clicking in the tab page line. */
2610     if (mouse_row == 0 && firstwin->w_winrow > 0)
2611     {
2612 	if (is_drag)
2613 	{
2614 	    if (in_tab_line)
2615 	    {
2616 		c1 = TabPageIdxs[mouse_col];
2617 		tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
2618 	    }
2619 	    return FALSE;
2620 	}
2621 
2622 	/* click in a tab selects that tab page */
2623 	if (is_click
2624 # ifdef FEAT_CMDWIN
2625 		&& cmdwin_type == 0
2626 # endif
2627 		&& mouse_col < Columns)
2628 	{
2629 	    in_tab_line = TRUE;
2630 	    c1 = TabPageIdxs[mouse_col];
2631 	    if (c1 >= 0)
2632 	    {
2633 		if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2634 		{
2635 		    /* double click opens new page */
2636 		    end_visual_mode();
2637 		    tabpage_new();
2638 		    tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2639 		}
2640 		else
2641 		{
2642 		    /* Go to specified tab page, or next one if not clicking
2643 		     * on a label. */
2644 		    goto_tabpage(c1);
2645 
2646 		    /* It's like clicking on the status line of a window. */
2647 		    if (curwin != old_curwin)
2648 			end_visual_mode();
2649 		}
2650 	    }
2651 	    else if (c1 < 0)
2652 	    {
2653 		tabpage_T	*tp;
2654 
2655 		/* Close the current or specified tab page. */
2656 		if (c1 == -999)
2657 		    tp = curtab;
2658 		else
2659 		    tp = find_tabpage(-c1);
2660 		if (tp == curtab)
2661 		{
2662 		    if (first_tabpage->tp_next != NULL)
2663 			tabpage_close(FALSE);
2664 		}
2665 		else if (tp != NULL)
2666 		    tabpage_close_other(tp, FALSE);
2667 	    }
2668 	}
2669 	return TRUE;
2670     }
2671     else if (is_drag && in_tab_line)
2672     {
2673 	c1 = TabPageIdxs[mouse_col];
2674 	tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
2675 	return FALSE;
2676     }
2677 
2678 #endif
2679 
2680     /*
2681      * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2682      * right button up   -> pop-up menu
2683      * shift-left button -> right button
2684      * alt-left button   -> alt-right button
2685      */
2686     if (mouse_model_popup())
2687     {
2688 	if (which_button == MOUSE_RIGHT
2689 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2690 	{
2691 	    /*
2692 	     * NOTE: Ignore right button down and drag mouse events.
2693 	     * Windows only shows the popup menu on the button up event.
2694 	     */
2695 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2696 			  || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2697 	    if (!is_click)
2698 		return FALSE;
2699 #endif
2700 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2701 	    if (is_click || is_drag)
2702 		return FALSE;
2703 #endif
2704 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2705 	    || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2706 	    || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2707 	    if (gui.in_use)
2708 	    {
2709 		jump_flags = 0;
2710 		if (STRCMP(p_mousem, "popup_setpos") == 0)
2711 		{
2712 		    /* First set the cursor position before showing the popup
2713 		     * menu. */
2714 #ifdef FEAT_VISUAL
2715 		    if (VIsual_active)
2716 		    {
2717 			pos_T    m_pos;
2718 
2719 			/*
2720 			 * set MOUSE_MAY_STOP_VIS if we are outside the
2721 			 * selection or the current window (might have false
2722 			 * negative here)
2723 			 */
2724 			if (mouse_row < W_WINROW(curwin)
2725 			     || mouse_row
2726 				      > (W_WINROW(curwin) + curwin->w_height))
2727 			    jump_flags = MOUSE_MAY_STOP_VIS;
2728 			else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2729 			    jump_flags = MOUSE_MAY_STOP_VIS;
2730 			else
2731 			{
2732 			    if ((lt(curwin->w_cursor, VIsual)
2733 					&& (lt(m_pos, curwin->w_cursor)
2734 					    || lt(VIsual, m_pos)))
2735 				    || (lt(VIsual, curwin->w_cursor)
2736 					&& (lt(m_pos, VIsual)
2737 					    || lt(curwin->w_cursor, m_pos))))
2738 			    {
2739 				jump_flags = MOUSE_MAY_STOP_VIS;
2740 			    }
2741 			    else if (VIsual_mode == Ctrl_V)
2742 			    {
2743 				getvcols(curwin, &curwin->w_cursor, &VIsual,
2744 							 &leftcol, &rightcol);
2745 				getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2746 				if (m_pos.col < leftcol || m_pos.col > rightcol)
2747 				    jump_flags = MOUSE_MAY_STOP_VIS;
2748 			    }
2749 			}
2750 		    }
2751 		    else
2752 			jump_flags = MOUSE_MAY_STOP_VIS;
2753 #endif
2754 		}
2755 		if (jump_flags)
2756 		{
2757 		    jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2758 		    update_curbuf(
2759 #ifdef FEAT_VISUAL
2760 			    VIsual_active ? INVERTED :
2761 #endif
2762 			    VALID);
2763 		    setcursor();
2764 		    out_flush();    /* Update before showing popup menu */
2765 		}
2766 # ifdef FEAT_MENU
2767 		gui_show_popupmenu();
2768 # endif
2769 		return (jump_flags & CURSOR_MOVED) != 0;
2770 	    }
2771 	    else
2772 		return FALSE;
2773 #else
2774 	    return FALSE;
2775 #endif
2776 	}
2777 	if (which_button == MOUSE_LEFT
2778 				&& (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2779 	{
2780 	    which_button = MOUSE_RIGHT;
2781 	    mod_mask &= ~MOD_MASK_SHIFT;
2782 	}
2783     }
2784 
2785 #ifdef FEAT_VISUAL
2786     if ((State & (NORMAL | INSERT))
2787 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2788     {
2789 	if (which_button == MOUSE_LEFT)
2790 	{
2791 	    if (is_click)
2792 	    {
2793 		/* stop Visual mode for a left click in a window, but not when
2794 		 * on a status line */
2795 		if (VIsual_active)
2796 		    jump_flags |= MOUSE_MAY_STOP_VIS;
2797 	    }
2798 	    else if (mouse_has(MOUSE_VISUAL))
2799 		jump_flags |= MOUSE_MAY_VIS;
2800 	}
2801 	else if (which_button == MOUSE_RIGHT)
2802 	{
2803 	    if (is_click && VIsual_active)
2804 	    {
2805 		/*
2806 		 * Remember the start and end of visual before moving the
2807 		 * cursor.
2808 		 */
2809 		if (lt(curwin->w_cursor, VIsual))
2810 		{
2811 		    start_visual = curwin->w_cursor;
2812 		    end_visual = VIsual;
2813 		}
2814 		else
2815 		{
2816 		    start_visual = VIsual;
2817 		    end_visual = curwin->w_cursor;
2818 		}
2819 	    }
2820 	    jump_flags |= MOUSE_FOCUS;
2821 	    if (mouse_has(MOUSE_VISUAL))
2822 		jump_flags |= MOUSE_MAY_VIS;
2823 	}
2824     }
2825 #endif
2826 
2827     /*
2828      * If an operator is pending, ignore all drags and releases until the
2829      * next mouse click.
2830      */
2831     if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2832     {
2833 	got_click = FALSE;
2834 	oap->motion_type = MCHAR;
2835     }
2836 
2837     /* When releasing the button let jump_to_mouse() know. */
2838     if (!is_click && !is_drag)
2839 	jump_flags |= MOUSE_RELEASED;
2840 
2841     /*
2842      * JUMP!
2843      */
2844     jump_flags = jump_to_mouse(jump_flags,
2845 			oap == NULL ? NULL : &(oap->inclusive), which_button);
2846     moved = (jump_flags & CURSOR_MOVED);
2847     in_status_line = (jump_flags & IN_STATUS_LINE);
2848 #ifdef FEAT_VERTSPLIT
2849     in_sep_line = (jump_flags & IN_SEP_LINE);
2850 #endif
2851 
2852 #ifdef FEAT_NETBEANS_INTG
2853     if (isNetbeansBuffer(curbuf)
2854 			    && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2855     {
2856 	int key = KEY2TERMCAP1(c);
2857 
2858 	if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2859 					       || key == (int)KE_RIGHTRELEASE)
2860 	    netbeans_button_release(which_button);
2861     }
2862 #endif
2863 
2864     /* When jumping to another window, clear a pending operator.  That's a bit
2865      * friendlier than beeping and not jumping to that window. */
2866     if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2867 	clearop(oap);
2868 
2869 #ifdef FEAT_FOLDING
2870     if (mod_mask == 0
2871 	    && !is_drag
2872 	    && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2873 	    && which_button == MOUSE_LEFT)
2874     {
2875 	/* open or close a fold at this line */
2876 	if (jump_flags & MOUSE_FOLD_OPEN)
2877 	    openFold(curwin->w_cursor.lnum, 1L);
2878 	else
2879 	    closeFold(curwin->w_cursor.lnum, 1L);
2880 	/* don't move the cursor if still in the same window */
2881 	if (curwin == old_curwin)
2882 	    curwin->w_cursor = save_cursor;
2883     }
2884 #endif
2885 
2886 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2887     if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2888     {
2889 	clip_modeless(which_button, is_click, is_drag);
2890 	return FALSE;
2891     }
2892 #endif
2893 
2894 #ifdef FEAT_VISUAL
2895     /* Set global flag that we are extending the Visual area with mouse
2896      * dragging; temporarily minimize 'scrolloff'. */
2897     if (VIsual_active && is_drag && p_so)
2898     {
2899 	/* In the very first line, allow scrolling one line */
2900 	if (mouse_row == 0)
2901 	    mouse_dragging = 2;
2902 	else
2903 	    mouse_dragging = 1;
2904     }
2905 
2906     /* When dragging the mouse above the window, scroll down. */
2907     if (is_drag && mouse_row < 0 && !in_status_line)
2908     {
2909 	scroll_redraw(FALSE, 1L);
2910 	mouse_row = 0;
2911     }
2912 
2913     if (start_visual.lnum)		/* right click in visual mode */
2914     {
2915        /* When ALT is pressed make Visual mode blockwise. */
2916        if (mod_mask & MOD_MASK_ALT)
2917 	   VIsual_mode = Ctrl_V;
2918 
2919 	/*
2920 	 * In Visual-block mode, divide the area in four, pick up the corner
2921 	 * that is in the quarter that the cursor is in.
2922 	 */
2923 	if (VIsual_mode == Ctrl_V)
2924 	{
2925 	    getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2926 	    if (curwin->w_curswant > (leftcol + rightcol) / 2)
2927 		end_visual.col = leftcol;
2928 	    else
2929 		end_visual.col = rightcol;
2930 	    if (curwin->w_cursor.lnum <
2931 				    (start_visual.lnum + end_visual.lnum) / 2)
2932 		end_visual.lnum = end_visual.lnum;
2933 	    else
2934 		end_visual.lnum = start_visual.lnum;
2935 
2936 	    /* move VIsual to the right column */
2937 	    start_visual = curwin->w_cursor;	    /* save the cursor pos */
2938 	    curwin->w_cursor = end_visual;
2939 	    coladvance(end_visual.col);
2940 	    VIsual = curwin->w_cursor;
2941 	    curwin->w_cursor = start_visual;	    /* restore the cursor */
2942 	}
2943 	else
2944 	{
2945 	    /*
2946 	     * If the click is before the start of visual, change the start.
2947 	     * If the click is after the end of visual, change the end.  If
2948 	     * the click is inside the visual, change the closest side.
2949 	     */
2950 	    if (lt(curwin->w_cursor, start_visual))
2951 		VIsual = end_visual;
2952 	    else if (lt(end_visual, curwin->w_cursor))
2953 		VIsual = start_visual;
2954 	    else
2955 	    {
2956 		/* In the same line, compare column number */
2957 		if (end_visual.lnum == start_visual.lnum)
2958 		{
2959 		    if (curwin->w_cursor.col - start_visual.col >
2960 				    end_visual.col - curwin->w_cursor.col)
2961 			VIsual = start_visual;
2962 		    else
2963 			VIsual = end_visual;
2964 		}
2965 
2966 		/* In different lines, compare line number */
2967 		else
2968 		{
2969 		    diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2970 				(end_visual.lnum - curwin->w_cursor.lnum);
2971 
2972 		    if (diff > 0)		/* closest to end */
2973 			VIsual = start_visual;
2974 		    else if (diff < 0)	/* closest to start */
2975 			VIsual = end_visual;
2976 		    else			/* in the middle line */
2977 		    {
2978 			if (curwin->w_cursor.col <
2979 					(start_visual.col + end_visual.col) / 2)
2980 			    VIsual = end_visual;
2981 			else
2982 			    VIsual = start_visual;
2983 		    }
2984 		}
2985 	    }
2986 	}
2987     }
2988     /*
2989      * If Visual mode started in insert mode, execute "CTRL-O"
2990      */
2991     else if ((State & INSERT) && VIsual_active)
2992 	stuffcharReadbuff(Ctrl_O);
2993 #endif
2994 
2995     /*
2996      * Middle mouse click: Put text before cursor.
2997      */
2998     if (which_button == MOUSE_MIDDLE)
2999     {
3000 #ifdef FEAT_CLIPBOARD
3001 	if (clip_star.available && regname == 0)
3002 	    regname = '*';
3003 #endif
3004 	if (yank_register_mline(regname))
3005 	{
3006 	    if (mouse_past_bottom)
3007 		dir = FORWARD;
3008 	}
3009 	else if (mouse_past_eol)
3010 	    dir = FORWARD;
3011 
3012 	if (fixindent)
3013 	{
3014 	    c1 = (dir == BACKWARD) ? '[' : ']';
3015 	    c2 = 'p';
3016 	}
3017 	else
3018 	{
3019 	    c1 = (dir == FORWARD) ? 'p' : 'P';
3020 	    c2 = NUL;
3021 	}
3022 	prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
3023 
3024 	/*
3025 	 * Remember where the paste started, so in edit() Insstart can be set
3026 	 * to this position
3027 	 */
3028 	if (restart_edit != 0)
3029 	    where_paste_started = curwin->w_cursor;
3030 	do_put(regname, dir, count, fixindent | PUT_CURSEND);
3031     }
3032 
3033 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
3034     /*
3035      * Ctrl-Mouse click or double click in a quickfix window jumps to the
3036      * error under the mouse pointer.
3037      */
3038     else if (((mod_mask & MOD_MASK_CTRL)
3039 		|| (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3040 	    && bt_quickfix(curbuf))
3041     {
3042 	if (State & INSERT)
3043 	    stuffcharReadbuff(Ctrl_O);
3044 	if (curwin->w_llist_ref == NULL)	/* quickfix window */
3045 	    stuffReadbuff((char_u *)":.cc\n");
3046 	else					/* location list window */
3047 	    stuffReadbuff((char_u *)":.ll\n");
3048 	got_click = FALSE;		/* ignore drag&release now */
3049     }
3050 #endif
3051 
3052     /*
3053      * Ctrl-Mouse click (or double click in a help window) jumps to the tag
3054      * under the mouse pointer.
3055      */
3056     else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
3057 		     && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
3058     {
3059 	if (State & INSERT)
3060 	    stuffcharReadbuff(Ctrl_O);
3061 	stuffcharReadbuff(Ctrl_RSB);
3062 	got_click = FALSE;		/* ignore drag&release now */
3063     }
3064 
3065     /*
3066      * Shift-Mouse click searches for the next occurrence of the word under
3067      * the mouse pointer
3068      */
3069     else if ((mod_mask & MOD_MASK_SHIFT))
3070     {
3071 	if (State & INSERT
3072 #ifdef FEAT_VISUAL
3073 		|| (VIsual_active && VIsual_select)
3074 #endif
3075 		)
3076 	    stuffcharReadbuff(Ctrl_O);
3077 	if (which_button == MOUSE_LEFT)
3078 	    stuffcharReadbuff('*');
3079 	else	/* MOUSE_RIGHT */
3080 	    stuffcharReadbuff('#');
3081     }
3082 
3083     /* Handle double clicks, unless on status line */
3084     else if (in_status_line)
3085     {
3086 #ifdef FEAT_MOUSESHAPE
3087 	if ((is_drag || is_click) && !drag_status_line)
3088 	{
3089 	    drag_status_line = TRUE;
3090 	    update_mouseshape(-1);
3091 	}
3092 #endif
3093     }
3094 #ifdef FEAT_VERTSPLIT
3095     else if (in_sep_line)
3096     {
3097 # ifdef FEAT_MOUSESHAPE
3098 	if ((is_drag || is_click) && !drag_sep_line)
3099 	{
3100 	    drag_sep_line = TRUE;
3101 	    update_mouseshape(-1);
3102 	}
3103 # endif
3104     }
3105 #endif
3106 #ifdef FEAT_VISUAL
3107     else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
3108 	     && mouse_has(MOUSE_VISUAL))
3109     {
3110 	if (is_click || !VIsual_active)
3111 	{
3112 	    if (VIsual_active)
3113 		orig_cursor = VIsual;
3114 	    else
3115 	    {
3116 		check_visual_highlight();
3117 		VIsual = curwin->w_cursor;
3118 		orig_cursor = VIsual;
3119 		VIsual_active = TRUE;
3120 		VIsual_reselect = TRUE;
3121 		/* start Select mode if 'selectmode' contains "mouse" */
3122 		may_start_select('o');
3123 		setmouse();
3124 	    }
3125 	    if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3126 	    {
3127 		/* Double click with ALT pressed makes it blockwise. */
3128 		if (mod_mask & MOD_MASK_ALT)
3129 		    VIsual_mode = Ctrl_V;
3130 		else
3131 		    VIsual_mode = 'v';
3132 	    }
3133 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
3134 		VIsual_mode = 'V';
3135 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
3136 		VIsual_mode = Ctrl_V;
3137 #ifdef FEAT_CLIPBOARD
3138 	    /* Make sure the clipboard gets updated.  Needed because start and
3139 	     * end may still be the same, and the selection needs to be owned */
3140 	    clip_star.vmode = NUL;
3141 #endif
3142 	}
3143 	/*
3144 	 * A double click selects a word or a block.
3145 	 */
3146 	if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3147 	{
3148 	    pos_T	*pos = NULL;
3149 	    int		gc;
3150 
3151 	    if (is_click)
3152 	    {
3153 		/* If the character under the cursor (skipping white space) is
3154 		 * not a word character, try finding a match and select a (),
3155 		 * {}, [], #if/#endif, etc. block. */
3156 		end_visual = curwin->w_cursor;
3157 		while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
3158 		    inc(&end_visual);
3159 		if (oap != NULL)
3160 		    oap->motion_type = MCHAR;
3161 		if (oap != NULL
3162 			&& VIsual_mode == 'v'
3163 			&& !vim_iswordc(gchar_pos(&end_visual))
3164 			&& equalpos(curwin->w_cursor, VIsual)
3165 			&& (pos = findmatch(oap, NUL)) != NULL)
3166 		{
3167 		    curwin->w_cursor = *pos;
3168 		    if (oap->motion_type == MLINE)
3169 			VIsual_mode = 'V';
3170 		    else if (*p_sel == 'e')
3171 		    {
3172 			if (lt(curwin->w_cursor, VIsual))
3173 			    ++VIsual.col;
3174 			else
3175 			    ++curwin->w_cursor.col;
3176 		    }
3177 		}
3178 	    }
3179 
3180 	    if (pos == NULL && (is_click || is_drag))
3181 	    {
3182 		/* When not found a match or when dragging: extend to include
3183 		 * a word. */
3184 		if (lt(curwin->w_cursor, orig_cursor))
3185 		{
3186 		    find_start_of_word(&curwin->w_cursor);
3187 		    find_end_of_word(&VIsual);
3188 		}
3189 		else
3190 		{
3191 		    find_start_of_word(&VIsual);
3192 		    if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3193 #ifdef FEAT_MBYTE
3194 			curwin->w_cursor.col +=
3195 					 (*mb_ptr2len)(ml_get_cursor());
3196 #else
3197 			++curwin->w_cursor.col;
3198 #endif
3199 		    find_end_of_word(&curwin->w_cursor);
3200 		}
3201 	    }
3202 	    curwin->w_set_curswant = TRUE;
3203 	}
3204 	if (is_click)
3205 	    redraw_curbuf_later(INVERTED);	/* update the inversion */
3206     }
3207     else if (VIsual_active && !old_active)
3208     {
3209 	if (mod_mask & MOD_MASK_ALT)
3210 	    VIsual_mode = Ctrl_V;
3211 	else
3212 	    VIsual_mode = 'v';
3213     }
3214 
3215     /* If Visual mode changed show it later. */
3216     if ((!VIsual_active && old_active && mode_displayed)
3217 	    || (VIsual_active && p_smd && msg_silent == 0
3218 				 && (!old_active || VIsual_mode != old_mode)))
3219 	redraw_cmdline = TRUE;
3220 #endif
3221 
3222     return moved;
3223 }
3224 
3225 #ifdef FEAT_VISUAL
3226 /*
3227  * Move "pos" back to the start of the word it's in.
3228  */
3229     static void
3230 find_start_of_word(pos)
3231     pos_T	*pos;
3232 {
3233     char_u	*line;
3234     int		cclass;
3235     int		col;
3236 
3237     line = ml_get(pos->lnum);
3238     cclass = get_mouse_class(line + pos->col);
3239 
3240     while (pos->col > 0)
3241     {
3242 	col = pos->col - 1;
3243 #ifdef FEAT_MBYTE
3244 	col -= (*mb_head_off)(line, line + col);
3245 #endif
3246 	if (get_mouse_class(line + col) != cclass)
3247 	    break;
3248 	pos->col = col;
3249     }
3250 }
3251 
3252 /*
3253  * Move "pos" forward to the end of the word it's in.
3254  * When 'selection' is "exclusive", the position is just after the word.
3255  */
3256     static void
3257 find_end_of_word(pos)
3258     pos_T	*pos;
3259 {
3260     char_u	*line;
3261     int		cclass;
3262     int		col;
3263 
3264     line = ml_get(pos->lnum);
3265     if (*p_sel == 'e' && pos->col > 0)
3266     {
3267 	--pos->col;
3268 #ifdef FEAT_MBYTE
3269 	pos->col -= (*mb_head_off)(line, line + pos->col);
3270 #endif
3271     }
3272     cclass = get_mouse_class(line + pos->col);
3273     while (line[pos->col] != NUL)
3274     {
3275 #ifdef FEAT_MBYTE
3276 	col = pos->col + (*mb_ptr2len)(line + pos->col);
3277 #else
3278 	col = pos->col + 1;
3279 #endif
3280 	if (get_mouse_class(line + col) != cclass)
3281 	{
3282 	    if (*p_sel == 'e')
3283 		pos->col = col;
3284 	    break;
3285 	}
3286 	pos->col = col;
3287     }
3288 }
3289 
3290 /*
3291  * Get class of a character for selection: same class means same word.
3292  * 0: blank
3293  * 1: punctuation groups
3294  * 2: normal word character
3295  * >2: multi-byte word character.
3296  */
3297     static int
3298 get_mouse_class(p)
3299     char_u	*p;
3300 {
3301     int		c;
3302 
3303 #ifdef FEAT_MBYTE
3304     if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3305 	return mb_get_class(p);
3306 #endif
3307 
3308     c = *p;
3309     if (c == ' ' || c == '\t')
3310 	return 0;
3311 
3312     if (vim_iswordc(c))
3313 	return 2;
3314 
3315     /*
3316      * There are a few special cases where we want certain combinations of
3317      * characters to be considered as a single word.  These are things like
3318      * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc.  Otherwise, each
3319      * character is in its own class.
3320      */
3321     if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3322 	return 1;
3323     return c;
3324 }
3325 #endif /* FEAT_VISUAL */
3326 #endif /* FEAT_MOUSE */
3327 
3328 #if defined(FEAT_VISUAL) || defined(PROTO)
3329 /*
3330  * Check if  highlighting for visual mode is possible, give a warning message
3331  * if not.
3332  */
3333     void
3334 check_visual_highlight()
3335 {
3336     static int	    did_check = FALSE;
3337 
3338     if (full_screen)
3339     {
3340 	if (!did_check && hl_attr(HLF_V) == 0)
3341 	    MSG(_("Warning: terminal cannot highlight"));
3342 	did_check = TRUE;
3343     }
3344 }
3345 
3346 /*
3347  * End Visual mode.
3348  * This function should ALWAYS be called to end Visual mode, except from
3349  * do_pending_operator().
3350  */
3351     void
3352 end_visual_mode()
3353 {
3354 #ifdef FEAT_CLIPBOARD
3355     /*
3356      * If we are using the clipboard, then remember what was selected in case
3357      * we need to paste it somewhere while we still own the selection.
3358      * Only do this when the clipboard is already owned.  Don't want to grab
3359      * the selection when hitting ESC.
3360      */
3361     if (clip_star.available && clip_star.owned)
3362 	clip_auto_select();
3363 #endif
3364 
3365     VIsual_active = FALSE;
3366 #ifdef FEAT_MOUSE
3367     setmouse();
3368     mouse_dragging = 0;
3369 #endif
3370 
3371     /* Save the current VIsual area for '< and '> marks, and "gv" */
3372     curbuf->b_visual.vi_mode = VIsual_mode;
3373     curbuf->b_visual.vi_start = VIsual;
3374     curbuf->b_visual.vi_end = curwin->w_cursor;
3375     curbuf->b_visual.vi_curswant = curwin->w_curswant;
3376 #ifdef FEAT_EVAL
3377     curbuf->b_visual_mode_eval = VIsual_mode;
3378 #endif
3379 #ifdef FEAT_VIRTUALEDIT
3380     if (!virtual_active())
3381 	curwin->w_cursor.coladd = 0;
3382 #endif
3383 
3384     if (mode_displayed)
3385 	clear_cmdline = TRUE;		/* unshow visual mode later */
3386 #ifdef FEAT_CMDL_INFO
3387     else
3388 	clear_showcmd();
3389 #endif
3390 
3391     adjust_cursor_eol();
3392 }
3393 
3394 /*
3395  * Reset VIsual_active and VIsual_reselect.
3396  */
3397     void
3398 reset_VIsual_and_resel()
3399 {
3400     if (VIsual_active)
3401     {
3402 	end_visual_mode();
3403 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3404     }
3405     VIsual_reselect = FALSE;
3406 }
3407 
3408 /*
3409  * Reset VIsual_active and VIsual_reselect if it's set.
3410  */
3411     void
3412 reset_VIsual()
3413 {
3414     if (VIsual_active)
3415     {
3416 	end_visual_mode();
3417 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3418 	VIsual_reselect = FALSE;
3419     }
3420 }
3421 #endif /* FEAT_VISUAL */
3422 
3423 #if defined(FEAT_BEVAL)
3424 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3425 
3426 /*
3427  * Check for a balloon-eval special item to include when searching for an
3428  * identifier.  When "dir" is BACKWARD "ptr[-1]" must be valid!
3429  * Returns TRUE if the character at "*ptr" should be included.
3430  * "dir" is FORWARD or BACKWARD, the direction of searching.
3431  * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3432  * "bnp" points to a counter for square brackets.
3433  */
3434     static int
3435 find_is_eval_item(ptr, colp, bnp, dir)
3436     char_u	*ptr;
3437     int		*colp;
3438     int		*bnp;
3439     int		dir;
3440 {
3441     /* Accept everything inside []. */
3442     if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3443 	++*bnp;
3444     if (*bnp > 0)
3445     {
3446 	if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3447 	    --*bnp;
3448 	return TRUE;
3449     }
3450 
3451     /* skip over "s.var" */
3452     if (*ptr == '.')
3453 	return TRUE;
3454 
3455     /* two-character item: s->var */
3456     if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3457 	    && ptr[dir == BACKWARD ? -1 : 0] == '-')
3458     {
3459 	*colp += dir;
3460 	return TRUE;
3461     }
3462     return FALSE;
3463 }
3464 #endif
3465 
3466 /*
3467  * Find the identifier under or to the right of the cursor.
3468  * "find_type" can have one of three values:
3469  * FIND_IDENT:   find an identifier (keyword)
3470  * FIND_STRING:  find any non-white string
3471  * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3472  * FIND_EVAL:	 find text useful for C program debugging
3473  *
3474  * There are three steps:
3475  * 1. Search forward for the start of an identifier/string.  Doesn't move if
3476  *    already on one.
3477  * 2. Search backward for the start of this identifier/string.
3478  *    This doesn't match the real Vi but I like it a little better and it
3479  *    shouldn't bother anyone.
3480  * 3. Search forward to the end of this identifier/string.
3481  *    When FIND_IDENT isn't defined, we backup until a blank.
3482  *
3483  * Returns the length of the string, or zero if no string is found.
3484  * If a string is found, a pointer to the string is put in "*string".  This
3485  * string is not always NUL terminated.
3486  */
3487     int
3488 find_ident_under_cursor(string, find_type)
3489     char_u	**string;
3490     int		find_type;
3491 {
3492     return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3493 				     curwin->w_cursor.col, string, find_type);
3494 }
3495 
3496 /*
3497  * Like find_ident_under_cursor(), but for any window and any position.
3498  * However: Uses 'iskeyword' from the current window!.
3499  */
3500     int
3501 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3502     win_T	*wp;
3503     linenr_T	lnum;
3504     colnr_T	startcol;
3505     char_u	**string;
3506     int		find_type;
3507 {
3508     char_u	*ptr;
3509     int		col = 0;	    /* init to shut up GCC */
3510     int		i;
3511 #ifdef FEAT_MBYTE
3512     int		this_class = 0;
3513     int		prev_class;
3514     int		prevcol;
3515 #endif
3516 #if defined(FEAT_BEVAL)
3517     int		bn = 0;	    /* bracket nesting */
3518 #endif
3519 
3520     /*
3521      * if i == 0: try to find an identifier
3522      * if i == 1: try to find any non-white string
3523      */
3524     ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3525     for (i = (find_type & FIND_IDENT) ? 0 : 1;	i < 2; ++i)
3526     {
3527 	/*
3528 	 * 1. skip to start of identifier/string
3529 	 */
3530 	col = startcol;
3531 #ifdef FEAT_MBYTE
3532 	if (has_mbyte)
3533 	{
3534 	    while (ptr[col] != NUL)
3535 	    {
3536 # if defined(FEAT_BEVAL)
3537 		/* Stop at a ']' to evaluate "a[x]". */
3538 		if ((find_type & FIND_EVAL) && ptr[col] == ']')
3539 		    break;
3540 # endif
3541 		this_class = mb_get_class(ptr + col);
3542 		if (this_class != 0 && (i == 1 || this_class != 1))
3543 		    break;
3544 		col += (*mb_ptr2len)(ptr + col);
3545 	    }
3546 	}
3547 	else
3548 #endif
3549 	    while (ptr[col] != NUL
3550 		    && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3551 # if defined(FEAT_BEVAL)
3552 		    && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3553 # endif
3554 		    )
3555 		++col;
3556 
3557 #if defined(FEAT_BEVAL)
3558 	/* When starting on a ']' count it, so that we include the '['. */
3559 	bn = ptr[col] == ']';
3560 #endif
3561 
3562 	/*
3563 	 * 2. Back up to start of identifier/string.
3564 	 */
3565 #ifdef FEAT_MBYTE
3566 	if (has_mbyte)
3567 	{
3568 	    /* Remember class of character under cursor. */
3569 # if defined(FEAT_BEVAL)
3570 	    if ((find_type & FIND_EVAL) && ptr[col] == ']')
3571 		this_class = mb_get_class((char_u *)"a");
3572 	    else
3573 # endif
3574 		this_class = mb_get_class(ptr + col);
3575 	    while (col > 0 && this_class != 0)
3576 	    {
3577 		prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3578 		prev_class = mb_get_class(ptr + prevcol);
3579 		if (this_class != prev_class
3580 			&& (i == 0
3581 			    || prev_class == 0
3582 			    || (find_type & FIND_IDENT))
3583 # if defined(FEAT_BEVAL)
3584 			&& (!(find_type & FIND_EVAL)
3585 			    || prevcol == 0
3586 			    || !find_is_eval_item(ptr + prevcol, &prevcol,
3587 							       &bn, BACKWARD))
3588 # endif
3589 			)
3590 		    break;
3591 		col = prevcol;
3592 	    }
3593 
3594 	    /* If we don't want just any old string, or we've found an
3595 	     * identifier, stop searching. */
3596 	    if (this_class > 2)
3597 		this_class = 2;
3598 	    if (!(find_type & FIND_STRING) || this_class == 2)
3599 		break;
3600 	}
3601 	else
3602 #endif
3603 	{
3604 	    while (col > 0
3605 		    && ((i == 0
3606 			    ? vim_iswordc(ptr[col - 1])
3607 			    : (!vim_iswhite(ptr[col - 1])
3608 				&& (!(find_type & FIND_IDENT)
3609 				    || !vim_iswordc(ptr[col - 1]))))
3610 #if defined(FEAT_BEVAL)
3611 			|| ((find_type & FIND_EVAL)
3612 			    && col > 1
3613 			    && find_is_eval_item(ptr + col - 1, &col,
3614 							       &bn, BACKWARD))
3615 #endif
3616 			))
3617 		--col;
3618 
3619 	    /* If we don't want just any old string, or we've found an
3620 	     * identifier, stop searching. */
3621 	    if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3622 		break;
3623 	}
3624     }
3625 
3626     if (ptr[col] == NUL || (i == 0 && (
3627 #ifdef FEAT_MBYTE
3628 		has_mbyte ? this_class != 2 :
3629 #endif
3630 		!vim_iswordc(ptr[col]))))
3631     {
3632 	/*
3633 	 * didn't find an identifier or string
3634 	 */
3635 	if (find_type & FIND_STRING)
3636 	    EMSG(_("E348: No string under cursor"));
3637 	else
3638 	    EMSG(_(e_noident));
3639 	return 0;
3640     }
3641     ptr += col;
3642     *string = ptr;
3643 
3644     /*
3645      * 3. Find the end if the identifier/string.
3646      */
3647 #if defined(FEAT_BEVAL)
3648     bn = 0;
3649     startcol -= col;
3650 #endif
3651     col = 0;
3652 #ifdef FEAT_MBYTE
3653     if (has_mbyte)
3654     {
3655 	/* Search for point of changing multibyte character class. */
3656 	this_class = mb_get_class(ptr);
3657 	while (ptr[col] != NUL
3658 		&& ((i == 0 ? mb_get_class(ptr + col) == this_class
3659 			    : mb_get_class(ptr + col) != 0)
3660 # if defined(FEAT_BEVAL)
3661 		    || ((find_type & FIND_EVAL)
3662 			&& col <= (int)startcol
3663 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3664 # endif
3665 		))
3666 	    col += (*mb_ptr2len)(ptr + col);
3667     }
3668     else
3669 #endif
3670 	while ((i == 0 ? vim_iswordc(ptr[col])
3671 		       : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3672 # if defined(FEAT_BEVAL)
3673 		    || ((find_type & FIND_EVAL)
3674 			&& col <= (int)startcol
3675 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3676 # endif
3677 		)
3678 	{
3679 	    ++col;
3680 	}
3681 
3682     return col;
3683 }
3684 
3685 /*
3686  * Prepare for redo of a normal command.
3687  */
3688     static void
3689 prep_redo_cmd(cap)
3690     cmdarg_T  *cap;
3691 {
3692     prep_redo(cap->oap->regname, cap->count0,
3693 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3694 }
3695 
3696 /*
3697  * Prepare for redo of any command.
3698  * Note that only the last argument can be a multi-byte char.
3699  */
3700     static void
3701 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3702     int	    regname;
3703     long    num;
3704     int	    cmd1;
3705     int	    cmd2;
3706     int	    cmd3;
3707     int	    cmd4;
3708     int	    cmd5;
3709 {
3710     ResetRedobuff();
3711     if (regname != 0)	/* yank from specified buffer */
3712     {
3713 	AppendCharToRedobuff('"');
3714 	AppendCharToRedobuff(regname);
3715     }
3716     if (num)
3717 	AppendNumberToRedobuff(num);
3718 
3719     if (cmd1 != NUL)
3720 	AppendCharToRedobuff(cmd1);
3721     if (cmd2 != NUL)
3722 	AppendCharToRedobuff(cmd2);
3723     if (cmd3 != NUL)
3724 	AppendCharToRedobuff(cmd3);
3725     if (cmd4 != NUL)
3726 	AppendCharToRedobuff(cmd4);
3727     if (cmd5 != NUL)
3728 	AppendCharToRedobuff(cmd5);
3729 }
3730 
3731 /*
3732  * check for operator active and clear it
3733  *
3734  * return TRUE if operator was active
3735  */
3736     static int
3737 checkclearop(oap)
3738     oparg_T	*oap;
3739 {
3740     if (oap->op_type == OP_NOP)
3741 	return FALSE;
3742     clearopbeep(oap);
3743     return TRUE;
3744 }
3745 
3746 /*
3747  * Check for operator or Visual active.  Clear active operator.
3748  *
3749  * Return TRUE if operator or Visual was active.
3750  */
3751     static int
3752 checkclearopq(oap)
3753     oparg_T	*oap;
3754 {
3755     if (oap->op_type == OP_NOP
3756 #ifdef FEAT_VISUAL
3757 	    && !VIsual_active
3758 #endif
3759 	    )
3760 	return FALSE;
3761     clearopbeep(oap);
3762     return TRUE;
3763 }
3764 
3765     static void
3766 clearop(oap)
3767     oparg_T	*oap;
3768 {
3769     oap->op_type = OP_NOP;
3770     oap->regname = 0;
3771     oap->motion_force = NUL;
3772     oap->use_reg_one = FALSE;
3773 }
3774 
3775     static void
3776 clearopbeep(oap)
3777     oparg_T	*oap;
3778 {
3779     clearop(oap);
3780     beep_flush();
3781 }
3782 
3783 #ifdef FEAT_VISUAL
3784 /*
3785  * Remove the shift modifier from a special key.
3786  */
3787     static void
3788 unshift_special(cap)
3789     cmdarg_T	*cap;
3790 {
3791     switch (cap->cmdchar)
3792     {
3793 	case K_S_RIGHT:	cap->cmdchar = K_RIGHT; break;
3794 	case K_S_LEFT:	cap->cmdchar = K_LEFT; break;
3795 	case K_S_UP:	cap->cmdchar = K_UP; break;
3796 	case K_S_DOWN:	cap->cmdchar = K_DOWN; break;
3797 	case K_S_HOME:	cap->cmdchar = K_HOME; break;
3798 	case K_S_END:	cap->cmdchar = K_END; break;
3799     }
3800     cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3801 }
3802 #endif
3803 
3804 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3805 /*
3806  * Routines for displaying a partly typed command
3807  */
3808 
3809 #ifdef FEAT_VISUAL	/* need room for size of Visual area */
3810 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3811 #else
3812 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3813 #endif
3814 static char_u	showcmd_buf[SHOWCMD_BUFLEN];
3815 static char_u	old_showcmd_buf[SHOWCMD_BUFLEN];  /* For push_showcmd() */
3816 static int	showcmd_is_clear = TRUE;
3817 static int	showcmd_visual = FALSE;
3818 
3819 static void display_showcmd __ARGS((void));
3820 
3821     void
3822 clear_showcmd()
3823 {
3824     if (!p_sc)
3825 	return;
3826 
3827 #ifdef FEAT_VISUAL
3828     if (VIsual_active && !char_avail())
3829     {
3830 	int		cursor_bot = lt(VIsual, curwin->w_cursor);
3831 	long		lines;
3832 	colnr_T		leftcol, rightcol;
3833 	linenr_T	top, bot;
3834 
3835 	/* Show the size of the Visual area. */
3836 	if (cursor_bot)
3837 	{
3838 	    top = VIsual.lnum;
3839 	    bot = curwin->w_cursor.lnum;
3840 	}
3841 	else
3842 	{
3843 	    top = curwin->w_cursor.lnum;
3844 	    bot = VIsual.lnum;
3845 	}
3846 # ifdef FEAT_FOLDING
3847 	/* Include closed folds as a whole. */
3848 	hasFolding(top, &top, NULL);
3849 	hasFolding(bot, NULL, &bot);
3850 # endif
3851 	lines = bot - top + 1;
3852 
3853 	if (VIsual_mode == Ctrl_V)
3854 	{
3855 # ifdef FEAT_LINEBREAK
3856 	    char_u *saved_sbr = p_sbr;
3857 
3858 	    /* Make 'sbr' empty for a moment to get the correct size. */
3859 	    p_sbr = empty_option;
3860 # endif
3861 	    getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3862 # ifdef FEAT_LINEBREAK
3863 	    p_sbr = saved_sbr;
3864 # endif
3865 	    sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3866 					      (long)(rightcol - leftcol + 1));
3867 	}
3868 	else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3869 	    sprintf((char *)showcmd_buf, "%ld", lines);
3870 	else
3871 	{
3872 	    char_u  *s, *e;
3873 	    int	    l;
3874 	    int	    bytes = 0;
3875 	    int	    chars = 0;
3876 
3877 	    if (cursor_bot)
3878 	    {
3879 		s = ml_get_pos(&VIsual);
3880 		e = ml_get_cursor();
3881 	    }
3882 	    else
3883 	    {
3884 		s = ml_get_cursor();
3885 		e = ml_get_pos(&VIsual);
3886 	    }
3887 	    while ((*p_sel != 'e') ? s <= e : s < e)
3888 	    {
3889 # ifdef FEAT_MBYTE
3890 		l = (*mb_ptr2len)(s);
3891 # else
3892 		l = (*s == NUL) ? 0 : 1;
3893 # endif
3894 		if (l == 0)
3895 		{
3896 		    ++bytes;
3897 		    ++chars;
3898 		    break;  /* end of line */
3899 		}
3900 		bytes += l;
3901 		++chars;
3902 		s += l;
3903 	    }
3904 	    if (bytes == chars)
3905 		sprintf((char *)showcmd_buf, "%d", chars);
3906 	    else
3907 		sprintf((char *)showcmd_buf, "%d-%d", chars, bytes);
3908 	}
3909 	showcmd_buf[SHOWCMD_COLS] = NUL;	/* truncate */
3910 	showcmd_visual = TRUE;
3911     }
3912     else
3913 #endif
3914     {
3915 	showcmd_buf[0] = NUL;
3916 	showcmd_visual = FALSE;
3917 
3918 	/* Don't actually display something if there is nothing to clear. */
3919 	if (showcmd_is_clear)
3920 	    return;
3921     }
3922 
3923     display_showcmd();
3924 }
3925 
3926 /*
3927  * Add 'c' to string of shown command chars.
3928  * Return TRUE if output has been written (and setcursor() has been called).
3929  */
3930     int
3931 add_to_showcmd(c)
3932     int		c;
3933 {
3934     char_u	*p;
3935     int		old_len;
3936     int		extra_len;
3937     int		overflow;
3938 #if defined(FEAT_MOUSE)
3939     int		i;
3940     static int	ignore[] =
3941     {
3942 # ifdef FEAT_GUI
3943 	K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3944 	K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3945 # endif
3946 	K_IGNORE,
3947 	K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3948 	K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3949 	K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3950 	K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT,
3951 	K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3952 	K_CURSORHOLD,
3953 	0
3954     };
3955 #endif
3956 
3957     if (!p_sc || msg_silent != 0)
3958 	return FALSE;
3959 
3960     if (showcmd_visual)
3961     {
3962 	showcmd_buf[0] = NUL;
3963 	showcmd_visual = FALSE;
3964     }
3965 
3966 #if defined(FEAT_MOUSE)
3967     /* Ignore keys that are scrollbar updates and mouse clicks */
3968     if (IS_SPECIAL(c))
3969 	for (i = 0; ignore[i] != 0; ++i)
3970 	    if (ignore[i] == c)
3971 		return FALSE;
3972 #endif
3973 
3974     p = transchar(c);
3975     old_len = (int)STRLEN(showcmd_buf);
3976     extra_len = (int)STRLEN(p);
3977     overflow = old_len + extra_len - SHOWCMD_COLS;
3978     if (overflow > 0)
3979 	mch_memmove(showcmd_buf, showcmd_buf + overflow,
3980 						      old_len - overflow + 1);
3981     STRCAT(showcmd_buf, p);
3982 
3983     if (char_avail())
3984 	return FALSE;
3985 
3986     display_showcmd();
3987 
3988     return TRUE;
3989 }
3990 
3991     void
3992 add_to_showcmd_c(c)
3993     int		c;
3994 {
3995     if (!add_to_showcmd(c))
3996 	setcursor();
3997 }
3998 
3999 /*
4000  * Delete 'len' characters from the end of the shown command.
4001  */
4002     static void
4003 del_from_showcmd(len)
4004     int	    len;
4005 {
4006     int	    old_len;
4007 
4008     if (!p_sc)
4009 	return;
4010 
4011     old_len = (int)STRLEN(showcmd_buf);
4012     if (len > old_len)
4013 	len = old_len;
4014     showcmd_buf[old_len - len] = NUL;
4015 
4016     if (!char_avail())
4017 	display_showcmd();
4018 }
4019 
4020 /*
4021  * push_showcmd() and pop_showcmd() are used when waiting for the user to type
4022  * something and there is a partial mapping.
4023  */
4024     void
4025 push_showcmd()
4026 {
4027     if (p_sc)
4028 	STRCPY(old_showcmd_buf, showcmd_buf);
4029 }
4030 
4031     void
4032 pop_showcmd()
4033 {
4034     if (!p_sc)
4035 	return;
4036 
4037     STRCPY(showcmd_buf, old_showcmd_buf);
4038 
4039     display_showcmd();
4040 }
4041 
4042     static void
4043 display_showcmd()
4044 {
4045     int	    len;
4046 
4047     cursor_off();
4048 
4049     len = (int)STRLEN(showcmd_buf);
4050     if (len == 0)
4051 	showcmd_is_clear = TRUE;
4052     else
4053     {
4054 	screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
4055 	showcmd_is_clear = FALSE;
4056     }
4057 
4058     /*
4059      * clear the rest of an old message by outputting up to SHOWCMD_COLS
4060      * spaces
4061      */
4062     screen_puts((char_u *)"          " + len, (int)Rows - 1, sc_col + len, 0);
4063 
4064     setcursor();	    /* put cursor back where it belongs */
4065 }
4066 #endif
4067 
4068 #ifdef FEAT_SCROLLBIND
4069 /*
4070  * When "check" is FALSE, prepare for commands that scroll the window.
4071  * When "check" is TRUE, take care of scroll-binding after the window has
4072  * scrolled.  Called from normal_cmd() and edit().
4073  */
4074     void
4075 do_check_scrollbind(check)
4076     int		check;
4077 {
4078     static win_T	*old_curwin = NULL;
4079     static linenr_T	old_topline = 0;
4080 #ifdef FEAT_DIFF
4081     static int		old_topfill = 0;
4082 #endif
4083     static buf_T	*old_buf = NULL;
4084     static colnr_T	old_leftcol = 0;
4085 
4086     if (check && curwin->w_p_scb)
4087     {
4088 	/* If a ":syncbind" command was just used, don't scroll, only reset
4089 	 * the values. */
4090 	if (did_syncbind)
4091 	    did_syncbind = FALSE;
4092 	else if (curwin == old_curwin)
4093 	{
4094 	    /*
4095 	     * Synchronize other windows, as necessary according to
4096 	     * 'scrollbind'.  Don't do this after an ":edit" command, except
4097 	     * when 'diff' is set.
4098 	     */
4099 	    if ((curwin->w_buffer == old_buf
4100 #ifdef FEAT_DIFF
4101 			|| curwin->w_p_diff
4102 #endif
4103 		)
4104 		&& (curwin->w_topline != old_topline
4105 #ifdef FEAT_DIFF
4106 			|| curwin->w_topfill != old_topfill
4107 #endif
4108 			|| curwin->w_leftcol != old_leftcol))
4109 	    {
4110 		check_scrollbind(curwin->w_topline - old_topline,
4111 			(long)(curwin->w_leftcol - old_leftcol));
4112 	    }
4113 	}
4114 	else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
4115 	{
4116 	    /*
4117 	     * When switching between windows, make sure that the relative
4118 	     * vertical offset is valid for the new window.  The relative
4119 	     * offset is invalid whenever another 'scrollbind' window has
4120 	     * scrolled to a point that would force the current window to
4121 	     * scroll past the beginning or end of its buffer.  When the
4122 	     * resync is performed, some of the other 'scrollbind' windows may
4123 	     * need to jump so that the current window's relative position is
4124 	     * visible on-screen.
4125 	     */
4126 	    check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
4127 	}
4128 	curwin->w_scbind_pos = curwin->w_topline;
4129     }
4130 
4131     old_curwin = curwin;
4132     old_topline = curwin->w_topline;
4133 #ifdef FEAT_DIFF
4134     old_topfill = curwin->w_topfill;
4135 #endif
4136     old_buf = curwin->w_buffer;
4137     old_leftcol = curwin->w_leftcol;
4138 }
4139 
4140 /*
4141  * Synchronize any windows that have "scrollbind" set, based on the
4142  * number of rows by which the current window has changed
4143  * (1998-11-02 16:21:01  R. Edward Ralston <[email protected]>)
4144  */
4145     void
4146 check_scrollbind(topline_diff, leftcol_diff)
4147     linenr_T	topline_diff;
4148     long	leftcol_diff;
4149 {
4150     int		want_ver;
4151     int		want_hor;
4152     win_T	*old_curwin = curwin;
4153     buf_T	*old_curbuf = curbuf;
4154 #ifdef FEAT_VISUAL
4155     int		old_VIsual_select = VIsual_select;
4156     int		old_VIsual_active = VIsual_active;
4157 #endif
4158     colnr_T	tgt_leftcol = curwin->w_leftcol;
4159     long	topline;
4160     long	y;
4161 
4162     /*
4163      * check 'scrollopt' string for vertical and horizontal scroll options
4164      */
4165     want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
4166 #ifdef FEAT_DIFF
4167     want_ver |= old_curwin->w_p_diff;
4168 #endif
4169     want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
4170 
4171     /*
4172      * loop through the scrollbound windows and scroll accordingly
4173      */
4174 #ifdef FEAT_VISUAL
4175     VIsual_select = VIsual_active = 0;
4176 #endif
4177     for (curwin = firstwin; curwin; curwin = curwin->w_next)
4178     {
4179 	curbuf = curwin->w_buffer;
4180 	/* skip original window  and windows with 'noscrollbind' */
4181 	if (curwin != old_curwin && curwin->w_p_scb)
4182 	{
4183 	    /*
4184 	     * do the vertical scroll
4185 	     */
4186 	    if (want_ver)
4187 	    {
4188 #ifdef FEAT_DIFF
4189 		if (old_curwin->w_p_diff && curwin->w_p_diff)
4190 		{
4191 		    diff_set_topline(old_curwin, curwin);
4192 		}
4193 		else
4194 #endif
4195 		{
4196 		    curwin->w_scbind_pos += topline_diff;
4197 		    topline = curwin->w_scbind_pos;
4198 		    if (topline > curbuf->b_ml.ml_line_count)
4199 			topline = curbuf->b_ml.ml_line_count;
4200 		    if (topline < 1)
4201 			topline = 1;
4202 
4203 		    y = topline - curwin->w_topline;
4204 		    if (y > 0)
4205 			scrollup(y, FALSE);
4206 		    else
4207 			scrolldown(-y, FALSE);
4208 		}
4209 
4210 		redraw_later(VALID);
4211 		cursor_correct();
4212 #ifdef FEAT_WINDOWS
4213 		curwin->w_redr_status = TRUE;
4214 #endif
4215 	    }
4216 
4217 	    /*
4218 	     * do the horizontal scroll
4219 	     */
4220 	    if (want_hor && curwin->w_leftcol != tgt_leftcol)
4221 	    {
4222 		curwin->w_leftcol = tgt_leftcol;
4223 		leftcol_changed();
4224 	    }
4225 	}
4226     }
4227 
4228     /*
4229      * reset current-window
4230      */
4231 #ifdef FEAT_VISUAL
4232     VIsual_select = old_VIsual_select;
4233     VIsual_active = old_VIsual_active;
4234 #endif
4235     curwin = old_curwin;
4236     curbuf = old_curbuf;
4237 }
4238 #endif /* #ifdef FEAT_SCROLLBIND */
4239 
4240 /*
4241  * Command character that's ignored.
4242  * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4243  * xon/xoff.
4244  */
4245     static void
4246 nv_ignore(cap)
4247     cmdarg_T	*cap;
4248 {
4249     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
4250 }
4251 
4252 /*
4253  * Command character that doesn't do anything, but unlike nv_ignore() does
4254  * start edit().  Used for "startinsert" executed while starting up.
4255  */
4256     static void
4257 nv_nop(cap)
4258     cmdarg_T	*cap UNUSED;
4259 {
4260 }
4261 
4262 /*
4263  * Command character doesn't exist.
4264  */
4265     static void
4266 nv_error(cap)
4267     cmdarg_T	*cap;
4268 {
4269     clearopbeep(cap->oap);
4270 }
4271 
4272 /*
4273  * <Help> and <F1> commands.
4274  */
4275     static void
4276 nv_help(cap)
4277     cmdarg_T	*cap;
4278 {
4279     if (!checkclearopq(cap->oap))
4280 	ex_help(NULL);
4281 }
4282 
4283 /*
4284  * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4285  */
4286     static void
4287 nv_addsub(cap)
4288     cmdarg_T	*cap;
4289 {
4290     if (!checkclearopq(cap->oap)
4291 	    && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4292 	prep_redo_cmd(cap);
4293 }
4294 
4295 /*
4296  * CTRL-F, CTRL-B, etc: Scroll page up or down.
4297  */
4298     static void
4299 nv_page(cap)
4300     cmdarg_T	*cap;
4301 {
4302     if (!checkclearop(cap->oap))
4303     {
4304 #ifdef FEAT_WINDOWS
4305 	if (mod_mask & MOD_MASK_CTRL)
4306 	{
4307 	    /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4308 	    if (cap->arg == BACKWARD)
4309 		goto_tabpage(-(int)cap->count1);
4310 	    else
4311 		goto_tabpage((int)cap->count0);
4312 	}
4313 	else
4314 #endif
4315 	(void)onepage(cap->arg, cap->count1);
4316     }
4317 }
4318 
4319 /*
4320  * Implementation of "gd" and "gD" command.
4321  */
4322     static void
4323 nv_gd(oap, nchar, thisblock)
4324     oparg_T	*oap;
4325     int		nchar;
4326     int		thisblock;	/* 1 for "1gd" and "1gD" */
4327 {
4328     int		len;
4329     char_u	*ptr;
4330 
4331     if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4332 	    || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4333 	clearopbeep(oap);
4334 #ifdef FEAT_FOLDING
4335     else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4336 	foldOpenCursor();
4337 #endif
4338 }
4339 
4340 /*
4341  * Search for variable declaration of "ptr[len]".
4342  * When "locally" is TRUE in the current function ("gd"), otherwise in the
4343  * current file ("gD").
4344  * When "thisblock" is TRUE check the {} block scope.
4345  * Return FAIL when not found.
4346  */
4347     int
4348 find_decl(ptr, len, locally, thisblock, searchflags)
4349     char_u	*ptr;
4350     int		len;
4351     int		locally;
4352     int		thisblock;
4353     int		searchflags;	/* flags passed to searchit() */
4354 {
4355     char_u	*pat;
4356     pos_T	old_pos;
4357     pos_T	par_pos;
4358     pos_T	found_pos;
4359     int		t;
4360     int		save_p_ws;
4361     int		save_p_scs;
4362     int		retval = OK;
4363     int		incll;
4364 
4365     if ((pat = alloc(len + 7)) == NULL)
4366 	return FAIL;
4367 
4368     /* Put "\V" before the pattern to avoid that the special meaning of "."
4369      * and "~" causes trouble. */
4370     sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4371 								    len, ptr);
4372     old_pos = curwin->w_cursor;
4373     save_p_ws = p_ws;
4374     save_p_scs = p_scs;
4375     p_ws = FALSE;	/* don't wrap around end of file now */
4376     p_scs = FALSE;	/* don't switch ignorecase off now */
4377 
4378     /*
4379      * With "gD" go to line 1.
4380      * With "gd" Search back for the start of the current function, then go
4381      * back until a blank line.  If this fails go to line 1.
4382      */
4383     if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4384     {
4385 	setpcmark();			/* Set in findpar() otherwise */
4386 	curwin->w_cursor.lnum = 1;
4387 	par_pos = curwin->w_cursor;
4388     }
4389     else
4390     {
4391 	par_pos = curwin->w_cursor;
4392 	while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4393 	    --curwin->w_cursor.lnum;
4394     }
4395     curwin->w_cursor.col = 0;
4396 
4397     /* Search forward for the identifier, ignore comment lines. */
4398     clearpos(&found_pos);
4399     for (;;)
4400     {
4401 	t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4402 			    pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
4403 	if (curwin->w_cursor.lnum >= old_pos.lnum)
4404 	    t = FAIL;	/* match after start is failure too */
4405 
4406 	if (thisblock && t != FAIL)
4407 	{
4408 	    pos_T	*pos;
4409 
4410 	    /* Check that the block the match is in doesn't end before the
4411 	     * position where we started the search from. */
4412 	    if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4413 		     (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4414 		    && pos->lnum < old_pos.lnum)
4415 		continue;
4416 	}
4417 
4418 	if (t == FAIL)
4419 	{
4420 	    /* If we previously found a valid position, use it. */
4421 	    if (found_pos.lnum != 0)
4422 	    {
4423 		curwin->w_cursor = found_pos;
4424 		t = OK;
4425 	    }
4426 	    break;
4427 	}
4428 #ifdef FEAT_COMMENTS
4429 	if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4430 	{
4431 	    /* Ignore this line, continue at start of next line. */
4432 	    ++curwin->w_cursor.lnum;
4433 	    curwin->w_cursor.col = 0;
4434 	    continue;
4435 	}
4436 #endif
4437 	if (!locally)	/* global search: use first match found */
4438 	    break;
4439 	if (curwin->w_cursor.lnum >= par_pos.lnum)
4440 	{
4441 	    /* If we previously found a valid position, use it. */
4442 	    if (found_pos.lnum != 0)
4443 		curwin->w_cursor = found_pos;
4444 	    break;
4445 	}
4446 
4447 	/* For finding a local variable and the match is before the "{" search
4448 	 * to find a later match.  For K&R style function declarations this
4449 	 * skips the function header without types. */
4450 	found_pos = curwin->w_cursor;
4451     }
4452 
4453     if (t == FAIL)
4454     {
4455 	retval = FAIL;
4456 	curwin->w_cursor = old_pos;
4457     }
4458     else
4459     {
4460 	curwin->w_set_curswant = TRUE;
4461 	/* "n" searches forward now */
4462 	reset_search_dir();
4463     }
4464 
4465     vim_free(pat);
4466     p_ws = save_p_ws;
4467     p_scs = save_p_scs;
4468 
4469     return retval;
4470 }
4471 
4472 /*
4473  * Move 'dist' lines in direction 'dir', counting lines by *screen*
4474  * lines rather than lines in the file.
4475  * 'dist' must be positive.
4476  *
4477  * Return OK if able to move cursor, FAIL otherwise.
4478  */
4479     static int
4480 nv_screengo(oap, dir, dist)
4481     oparg_T	*oap;
4482     int		dir;
4483     long	dist;
4484 {
4485     int		linelen = linetabsize(ml_get_curline());
4486     int		retval = OK;
4487     int		atend = FALSE;
4488     int		n;
4489     int		col_off1;	/* margin offset for first screen line */
4490     int		col_off2;	/* margin offset for wrapped screen line */
4491     int		width1;		/* text width for first screen line */
4492     int		width2;		/* test width for wrapped screen line */
4493 
4494     oap->motion_type = MCHAR;
4495     oap->inclusive = FALSE;
4496 
4497     col_off1 = curwin_col_off();
4498     col_off2 = col_off1 - curwin_col_off2();
4499     width1 = W_WIDTH(curwin) - col_off1;
4500     width2 = W_WIDTH(curwin) - col_off2;
4501 
4502 #ifdef FEAT_VERTSPLIT
4503     if (curwin->w_width != 0)
4504     {
4505 #endif
4506       /*
4507        * Instead of sticking at the last character of the buffer line we
4508        * try to stick in the last column of the screen.
4509        */
4510       if (curwin->w_curswant == MAXCOL)
4511       {
4512 	atend = TRUE;
4513 	validate_virtcol();
4514 	if (width1 <= 0)
4515 	    curwin->w_curswant = 0;
4516 	else
4517 	{
4518 	    curwin->w_curswant = width1 - 1;
4519 	    if (curwin->w_virtcol > curwin->w_curswant)
4520 		curwin->w_curswant += ((curwin->w_virtcol
4521 			     - curwin->w_curswant - 1) / width2 + 1) * width2;
4522 	}
4523       }
4524       else
4525       {
4526 	if (linelen > width1)
4527 	    n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4528 	else
4529 	    n = width1;
4530 	if (curwin->w_curswant > (colnr_T)n + 1)
4531 	    curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4532 								     * width2;
4533       }
4534 
4535       while (dist--)
4536       {
4537 	if (dir == BACKWARD)
4538 	{
4539 	    if ((long)curwin->w_curswant >= width2)
4540 		/* move back within line */
4541 		curwin->w_curswant -= width2;
4542 	    else
4543 	    {
4544 		/* to previous line */
4545 		if (curwin->w_cursor.lnum == 1)
4546 		{
4547 		    retval = FAIL;
4548 		    break;
4549 		}
4550 		--curwin->w_cursor.lnum;
4551 #ifdef FEAT_FOLDING
4552 		/* Move to the start of a closed fold.  Don't do that when
4553 		 * 'foldopen' contains "all": it will open in a moment. */
4554 		if (!(fdo_flags & FDO_ALL))
4555 		    (void)hasFolding(curwin->w_cursor.lnum,
4556 						&curwin->w_cursor.lnum, NULL);
4557 #endif
4558 		linelen = linetabsize(ml_get_curline());
4559 		if (linelen > width1)
4560 		    curwin->w_curswant += (((linelen - width1 - 1) / width2)
4561 								+ 1) * width2;
4562 	    }
4563 	}
4564 	else /* dir == FORWARD */
4565 	{
4566 	    if (linelen > width1)
4567 		n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4568 	    else
4569 		n = width1;
4570 	    if (curwin->w_curswant + width2 < (colnr_T)n)
4571 		/* move forward within line */
4572 		curwin->w_curswant += width2;
4573 	    else
4574 	    {
4575 		/* to next line */
4576 #ifdef FEAT_FOLDING
4577 		/* Move to the end of a closed fold. */
4578 		(void)hasFolding(curwin->w_cursor.lnum, NULL,
4579 						      &curwin->w_cursor.lnum);
4580 #endif
4581 		if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4582 		{
4583 		    retval = FAIL;
4584 		    break;
4585 		}
4586 		curwin->w_cursor.lnum++;
4587 		curwin->w_curswant %= width2;
4588 		linelen = linetabsize(ml_get_curline());
4589 	    }
4590 	}
4591       }
4592 #ifdef FEAT_VERTSPLIT
4593     }
4594 #endif
4595 
4596     coladvance(curwin->w_curswant);
4597 
4598 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4599     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4600     {
4601 	/*
4602 	 * Check for landing on a character that got split at the end of the
4603 	 * last line.  We want to advance a screenline, not end up in the same
4604 	 * screenline or move two screenlines.
4605 	 */
4606 	validate_virtcol();
4607 	if (curwin->w_virtcol > curwin->w_curswant
4608 		&& (curwin->w_curswant < (colnr_T)width1
4609 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)
4610 		    : ((curwin->w_curswant - width1) % width2
4611 						      > (colnr_T)width2 / 2)))
4612 	    --curwin->w_cursor.col;
4613     }
4614 #endif
4615 
4616     if (atend)
4617 	curwin->w_curswant = MAXCOL;	    /* stick in the last column */
4618 
4619     return retval;
4620 }
4621 
4622 #ifdef FEAT_MOUSE
4623 /*
4624  * Mouse scroll wheel: Default action is to scroll three lines, or one page
4625  * when Shift or Ctrl is used.
4626  * K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or
4627  * K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2)
4628  */
4629     static void
4630 nv_mousescroll(cap)
4631     cmdarg_T	*cap;
4632 {
4633 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4634     win_T *old_curwin = curwin;
4635 
4636     /* Currently we only get the mouse coordinates in the GUI. */
4637     if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4638     {
4639 	int row, col;
4640 
4641 	row = mouse_row;
4642 	col = mouse_col;
4643 
4644 	/* find the window at the pointer coordinates */
4645 	curwin = mouse_find_win(&row, &col);
4646 	curbuf = curwin->w_buffer;
4647     }
4648 # endif
4649 
4650     if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
4651     {
4652 	if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4653 	{
4654 	    (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4655 	}
4656 	else
4657 	{
4658 	    cap->count1 = 3;
4659 	    cap->count0 = 3;
4660 	    nv_scroll_line(cap);
4661 	}
4662     }
4663 # ifdef FEAT_GUI
4664     else
4665     {
4666 	/* Horizontal scroll - only allowed when 'wrap' is disabled */
4667 	if (!curwin->w_p_wrap)
4668 	{
4669 	    int val, step = 6;
4670 
4671 	    if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4672 		step = W_WIDTH(curwin);
4673 	    val = curwin->w_leftcol + (cap->arg == MSCR_RIGHT ? -step : +step);
4674 	    if (val < 0)
4675 		val = 0;
4676 
4677 	    gui_do_horiz_scroll(val, TRUE);
4678 	}
4679     }
4680 # endif
4681 
4682 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4683     curwin->w_redr_status = TRUE;
4684 
4685     curwin = old_curwin;
4686     curbuf = curwin->w_buffer;
4687 # endif
4688 }
4689 
4690 /*
4691  * Mouse clicks and drags.
4692  */
4693     static void
4694 nv_mouse(cap)
4695     cmdarg_T	*cap;
4696 {
4697     (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4698 }
4699 #endif
4700 
4701 /*
4702  * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4703  * cap->arg must be TRUE for CTRL-E.
4704  */
4705     static void
4706 nv_scroll_line(cap)
4707     cmdarg_T	*cap;
4708 {
4709     if (!checkclearop(cap->oap))
4710 	scroll_redraw(cap->arg, cap->count1);
4711 }
4712 
4713 /*
4714  * Scroll "count" lines up or down, and redraw.
4715  */
4716     void
4717 scroll_redraw(up, count)
4718     int		up;
4719     long	count;
4720 {
4721     linenr_T	prev_topline = curwin->w_topline;
4722 #ifdef FEAT_DIFF
4723     int		prev_topfill = curwin->w_topfill;
4724 #endif
4725     linenr_T	prev_lnum = curwin->w_cursor.lnum;
4726 
4727     if (up)
4728 	scrollup(count, TRUE);
4729     else
4730 	scrolldown(count, TRUE);
4731     if (p_so)
4732     {
4733 	/* Adjust the cursor position for 'scrolloff'.  Mark w_topline as
4734 	 * valid, otherwise the screen jumps back at the end of the file. */
4735 	cursor_correct();
4736 	check_cursor_moved(curwin);
4737 	curwin->w_valid |= VALID_TOPLINE;
4738 
4739 	/* If moved back to where we were, at least move the cursor, otherwise
4740 	 * we get stuck at one position.  Don't move the cursor up if the
4741 	 * first line of the buffer is already on the screen */
4742 	while (curwin->w_topline == prev_topline
4743 #ifdef FEAT_DIFF
4744 		&& curwin->w_topfill == prev_topfill
4745 #endif
4746 		)
4747 	{
4748 	    if (up)
4749 	    {
4750 		if (curwin->w_cursor.lnum > prev_lnum
4751 			|| cursor_down(1L, FALSE) == FAIL)
4752 		    break;
4753 	    }
4754 	    else
4755 	    {
4756 		if (curwin->w_cursor.lnum < prev_lnum
4757 			|| prev_topline == 1L
4758 			|| cursor_up(1L, FALSE) == FAIL)
4759 		    break;
4760 	    }
4761 	    /* Mark w_topline as valid, otherwise the screen jumps back at the
4762 	     * end of the file. */
4763 	    check_cursor_moved(curwin);
4764 	    curwin->w_valid |= VALID_TOPLINE;
4765 	}
4766     }
4767     if (curwin->w_cursor.lnum != prev_lnum)
4768 	coladvance(curwin->w_curswant);
4769     redraw_later(VALID);
4770 }
4771 
4772 /*
4773  * Commands that start with "z".
4774  */
4775     static void
4776 nv_zet(cap)
4777     cmdarg_T  *cap;
4778 {
4779     long	n;
4780     colnr_T	col;
4781     int		nchar = cap->nchar;
4782 #ifdef FEAT_FOLDING
4783     long	old_fdl = curwin->w_p_fdl;
4784     int		old_fen = curwin->w_p_fen;
4785 #endif
4786 #ifdef FEAT_SPELL
4787     int		undo = FALSE;
4788 #endif
4789 
4790     if (VIM_ISDIGIT(nchar))
4791     {
4792 	/*
4793 	 * "z123{nchar}": edit the count before obtaining {nchar}
4794 	 */
4795 	if (checkclearop(cap->oap))
4796 	    return;
4797 	n = nchar - '0';
4798 	for (;;)
4799 	{
4800 #ifdef USE_ON_FLY_SCROLL
4801 	    dont_scroll = TRUE;		/* disallow scrolling here */
4802 #endif
4803 	    ++no_mapping;
4804 	    ++allow_keys;   /* no mapping for nchar, but allow key codes */
4805 	    nchar = plain_vgetc();
4806 	    LANGMAP_ADJUST(nchar, TRUE);
4807 	    --no_mapping;
4808 	    --allow_keys;
4809 #ifdef FEAT_CMDL_INFO
4810 	    (void)add_to_showcmd(nchar);
4811 #endif
4812 	    if (nchar == K_DEL || nchar == K_KDEL)
4813 		n /= 10;
4814 	    else if (VIM_ISDIGIT(nchar))
4815 		n = n * 10 + (nchar - '0');
4816 	    else if (nchar == CAR)
4817 	    {
4818 #ifdef FEAT_GUI
4819 		need_mouse_correct = TRUE;
4820 #endif
4821 		win_setheight((int)n);
4822 		break;
4823 	    }
4824 	    else if (nchar == 'l'
4825 		    || nchar == 'h'
4826 		    || nchar == K_LEFT
4827 		    || nchar == K_RIGHT)
4828 	    {
4829 		cap->count1 = n ? n * cap->count1 : cap->count1;
4830 		goto dozet;
4831 	    }
4832 	    else
4833 	    {
4834 		clearopbeep(cap->oap);
4835 		break;
4836 	    }
4837 	}
4838 	cap->oap->op_type = OP_NOP;
4839 	return;
4840     }
4841 
4842 dozet:
4843     if (
4844 #ifdef FEAT_FOLDING
4845 	    /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4846 	     * and "zC" only in Visual mode.  "zj" and "zk" are motion
4847 	     * commands. */
4848 	    cap->nchar != 'f' && cap->nchar != 'F'
4849 	    && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4850 	    && cap->nchar != 'j' && cap->nchar != 'k'
4851 	    &&
4852 #endif
4853 	    checkclearop(cap->oap))
4854 	return;
4855 
4856     /*
4857      * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4858      * If line number given, set cursor.
4859      */
4860     if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4861 	    && cap->count0
4862 	    && cap->count0 != curwin->w_cursor.lnum)
4863     {
4864 	setpcmark();
4865 	if (cap->count0 > curbuf->b_ml.ml_line_count)
4866 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4867 	else
4868 	    curwin->w_cursor.lnum = cap->count0;
4869 	check_cursor_col();
4870     }
4871 
4872     switch (nchar)
4873     {
4874 		/* "z+", "z<CR>" and "zt": put cursor at top of screen */
4875     case '+':
4876 		if (cap->count0 == 0)
4877 		{
4878 		    /* No count given: put cursor at the line below screen */
4879 		    validate_botline();	/* make sure w_botline is valid */
4880 		    if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4881 			curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4882 		    else
4883 			curwin->w_cursor.lnum = curwin->w_botline;
4884 		}
4885 		/* FALLTHROUGH */
4886     case NL:
4887     case CAR:
4888     case K_KENTER:
4889 		beginline(BL_WHITE | BL_FIX);
4890 		/* FALLTHROUGH */
4891 
4892     case 't':	scroll_cursor_top(0, TRUE);
4893 		redraw_later(VALID);
4894 		break;
4895 
4896 		/* "z." and "zz": put cursor in middle of screen */
4897     case '.':	beginline(BL_WHITE | BL_FIX);
4898 		/* FALLTHROUGH */
4899 
4900     case 'z':	scroll_cursor_halfway(TRUE);
4901 		redraw_later(VALID);
4902 		break;
4903 
4904 		/* "z^", "z-" and "zb": put cursor at bottom of screen */
4905     case '^':	/* Strange Vi behavior: <count>z^ finds line at top of window
4906 		 * when <count> is at bottom of window, and puts that one at
4907 		 * bottom of window. */
4908 		if (cap->count0 != 0)
4909 		{
4910 		    scroll_cursor_bot(0, TRUE);
4911 		    curwin->w_cursor.lnum = curwin->w_topline;
4912 		}
4913 		else if (curwin->w_topline == 1)
4914 		    curwin->w_cursor.lnum = 1;
4915 		else
4916 		    curwin->w_cursor.lnum = curwin->w_topline - 1;
4917 		/* FALLTHROUGH */
4918     case '-':
4919 		beginline(BL_WHITE | BL_FIX);
4920 		/* FALLTHROUGH */
4921 
4922     case 'b':	scroll_cursor_bot(0, TRUE);
4923 		redraw_later(VALID);
4924 		break;
4925 
4926 		/* "zH" - scroll screen right half-page */
4927     case 'H':
4928 		cap->count1 *= W_WIDTH(curwin) / 2;
4929 		/* FALLTHROUGH */
4930 
4931 		/* "zh" - scroll screen to the right */
4932     case 'h':
4933     case K_LEFT:
4934 		if (!curwin->w_p_wrap)
4935 		{
4936 		    if ((colnr_T)cap->count1 > curwin->w_leftcol)
4937 			curwin->w_leftcol = 0;
4938 		    else
4939 			curwin->w_leftcol -= (colnr_T)cap->count1;
4940 		    leftcol_changed();
4941 		}
4942 		break;
4943 
4944 		/* "zL" - scroll screen left half-page */
4945     case 'L':	cap->count1 *= W_WIDTH(curwin) / 2;
4946 		/* FALLTHROUGH */
4947 
4948 		/* "zl" - scroll screen to the left */
4949     case 'l':
4950     case K_RIGHT:
4951 		if (!curwin->w_p_wrap)
4952 		{
4953 		    /* scroll the window left */
4954 		    curwin->w_leftcol += (colnr_T)cap->count1;
4955 		    leftcol_changed();
4956 		}
4957 		break;
4958 
4959 		/* "zs" - scroll screen, cursor at the start */
4960     case 's':	if (!curwin->w_p_wrap)
4961 		{
4962 #ifdef FEAT_FOLDING
4963 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4964 			col = 0;	/* like the cursor is in col 0 */
4965 		    else
4966 #endif
4967 		    getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4968 		    if ((long)col > p_siso)
4969 			col -= p_siso;
4970 		    else
4971 			col = 0;
4972 		    if (curwin->w_leftcol != col)
4973 		    {
4974 			curwin->w_leftcol = col;
4975 			redraw_later(NOT_VALID);
4976 		    }
4977 		}
4978 		break;
4979 
4980 		/* "ze" - scroll screen, cursor at the end */
4981     case 'e':	if (!curwin->w_p_wrap)
4982 		{
4983 #ifdef FEAT_FOLDING
4984 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4985 			col = 0;	/* like the cursor is in col 0 */
4986 		    else
4987 #endif
4988 		    getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4989 		    n = W_WIDTH(curwin) - curwin_col_off();
4990 		    if ((long)col + p_siso < n)
4991 			col = 0;
4992 		    else
4993 			col = col + p_siso - n + 1;
4994 		    if (curwin->w_leftcol != col)
4995 		    {
4996 			curwin->w_leftcol = col;
4997 			redraw_later(NOT_VALID);
4998 		    }
4999 		}
5000 		break;
5001 
5002 #ifdef FEAT_FOLDING
5003 		/* "zF": create fold command */
5004 		/* "zf": create fold operator */
5005     case 'F':
5006     case 'f':   if (foldManualAllowed(TRUE))
5007 		{
5008 		    cap->nchar = 'f';
5009 		    nv_operator(cap);
5010 		    curwin->w_p_fen = TRUE;
5011 
5012 		    /* "zF" is like "zfzf" */
5013 		    if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
5014 		    {
5015 			nv_operator(cap);
5016 			finish_op = TRUE;
5017 		    }
5018 		}
5019 		else
5020 		    clearopbeep(cap->oap);
5021 		break;
5022 
5023 		/* "zd": delete fold at cursor */
5024 		/* "zD": delete fold at cursor recursively */
5025     case 'd':
5026     case 'D':	if (foldManualAllowed(FALSE))
5027 		{
5028 		    if (VIsual_active)
5029 			nv_operator(cap);
5030 		    else
5031 			deleteFold(curwin->w_cursor.lnum,
5032 				  curwin->w_cursor.lnum, nchar == 'D', FALSE);
5033 		}
5034 		break;
5035 
5036 		/* "zE": erease all folds */
5037     case 'E':	if (foldmethodIsManual(curwin))
5038 		{
5039 		    clearFolding(curwin);
5040 		    changed_window_setting();
5041 		}
5042 		else if (foldmethodIsMarker(curwin))
5043 		    deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
5044 								 TRUE, FALSE);
5045 		else
5046 		    EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
5047 		break;
5048 
5049 		/* "zn": fold none: reset 'foldenable' */
5050     case 'n':	curwin->w_p_fen = FALSE;
5051 		break;
5052 
5053 		/* "zN": fold Normal: set 'foldenable' */
5054     case 'N':	curwin->w_p_fen = TRUE;
5055 		break;
5056 
5057 		/* "zi": invert folding: toggle 'foldenable' */
5058     case 'i':	curwin->w_p_fen = !curwin->w_p_fen;
5059 		break;
5060 
5061 		/* "za": open closed fold or close open fold at cursor */
5062     case 'a':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
5063 		    openFold(curwin->w_cursor.lnum, cap->count1);
5064 		else
5065 		{
5066 		    closeFold(curwin->w_cursor.lnum, cap->count1);
5067 		    curwin->w_p_fen = TRUE;
5068 		}
5069 		break;
5070 
5071 		/* "zA": open fold at cursor recursively */
5072     case 'A':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
5073 		    openFoldRecurse(curwin->w_cursor.lnum);
5074 		else
5075 		{
5076 		    closeFoldRecurse(curwin->w_cursor.lnum);
5077 		    curwin->w_p_fen = TRUE;
5078 		}
5079 		break;
5080 
5081 		/* "zo": open fold at cursor or Visual area */
5082     case 'o':	if (VIsual_active)
5083 		    nv_operator(cap);
5084 		else
5085 		    openFold(curwin->w_cursor.lnum, cap->count1);
5086 		break;
5087 
5088 		/* "zO": open fold recursively */
5089     case 'O':	if (VIsual_active)
5090 		    nv_operator(cap);
5091 		else
5092 		    openFoldRecurse(curwin->w_cursor.lnum);
5093 		break;
5094 
5095 		/* "zc": close fold at cursor or Visual area */
5096     case 'c':	if (VIsual_active)
5097 		    nv_operator(cap);
5098 		else
5099 		    closeFold(curwin->w_cursor.lnum, cap->count1);
5100 		curwin->w_p_fen = TRUE;
5101 		break;
5102 
5103 		/* "zC": close fold recursively */
5104     case 'C':	if (VIsual_active)
5105 		    nv_operator(cap);
5106 		else
5107 		    closeFoldRecurse(curwin->w_cursor.lnum);
5108 		curwin->w_p_fen = TRUE;
5109 		break;
5110 
5111 		/* "zv": open folds at the cursor */
5112     case 'v':	foldOpenCursor();
5113 		break;
5114 
5115 		/* "zx": re-apply 'foldlevel' and open folds at the cursor */
5116     case 'x':	curwin->w_p_fen = TRUE;
5117 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
5118 		newFoldLevel();			/* update right now */
5119 		foldOpenCursor();
5120 		break;
5121 
5122 		/* "zX": undo manual opens/closes, re-apply 'foldlevel' */
5123     case 'X':	curwin->w_p_fen = TRUE;
5124 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
5125 		old_fdl = -1;			/* force an update */
5126 		break;
5127 
5128 		/* "zm": fold more */
5129     case 'm':	if (curwin->w_p_fdl > 0)
5130 		    --curwin->w_p_fdl;
5131 		old_fdl = -1;		/* force an update */
5132 		curwin->w_p_fen = TRUE;
5133 		break;
5134 
5135 		/* "zM": close all folds */
5136     case 'M':	curwin->w_p_fdl = 0;
5137 		old_fdl = -1;		/* force an update */
5138 		curwin->w_p_fen = TRUE;
5139 		break;
5140 
5141 		/* "zr": reduce folding */
5142     case 'r':	++curwin->w_p_fdl;
5143 		break;
5144 
5145 		/* "zR": open all folds */
5146     case 'R':	curwin->w_p_fdl = getDeepestNesting();
5147 		old_fdl = -1;		/* force an update */
5148 		break;
5149 
5150     case 'j':	/* "zj" move to next fold downwards */
5151     case 'k':	/* "zk" move to next fold upwards */
5152 		if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
5153 							  cap->count1) == FAIL)
5154 		    clearopbeep(cap->oap);
5155 		break;
5156 
5157 #endif /* FEAT_FOLDING */
5158 
5159 #ifdef FEAT_SPELL
5160     case 'u':	/* "zug" and "zuw": undo "zg" and "zw" */
5161 		++no_mapping;
5162 		++allow_keys;   /* no mapping for nchar, but allow key codes */
5163 		nchar = plain_vgetc();
5164 		LANGMAP_ADJUST(nchar, TRUE);
5165 		--no_mapping;
5166 		--allow_keys;
5167 #ifdef FEAT_CMDL_INFO
5168 		(void)add_to_showcmd(nchar);
5169 #endif
5170 		if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
5171 		{
5172 		    clearopbeep(cap->oap);
5173 		    break;
5174 		}
5175 		undo = TRUE;
5176 		/*FALLTHROUGH*/
5177 
5178     case 'g':	/* "zg": add good word to word list */
5179     case 'w':	/* "zw": add wrong word to word list */
5180     case 'G':	/* "zG": add good word to temp word list */
5181     case 'W':	/* "zW": add wrong word to temp word list */
5182 		{
5183 		    char_u  *ptr = NULL;
5184 		    int	    len;
5185 
5186 		    if (checkclearop(cap->oap))
5187 			break;
5188 # ifdef FEAT_VISUAL
5189 		    if (VIsual_active && get_visual_text(cap, &ptr, &len)
5190 								      == FAIL)
5191 			return;
5192 # endif
5193 		    if (ptr == NULL)
5194 		    {
5195 			pos_T	pos = curwin->w_cursor;
5196 
5197 			/* Find bad word under the cursor. */
5198 			len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
5199 			if (len != 0 && curwin->w_cursor.col <= pos.col)
5200 			    ptr = ml_get_pos(&curwin->w_cursor);
5201 			curwin->w_cursor = pos;
5202 		    }
5203 
5204 		    if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
5205 							    FIND_IDENT)) == 0)
5206 			return;
5207 		    spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
5208 					    (nchar == 'G' || nchar == 'W')
5209 						       ? 0 : (int)cap->count1,
5210 					    undo);
5211 		}
5212 		break;
5213 
5214     case '=':	/* "z=": suggestions for a badly spelled word  */
5215 		if (!checkclearop(cap->oap))
5216 		    spell_suggest((int)cap->count0);
5217 		break;
5218 #endif
5219 
5220     default:	clearopbeep(cap->oap);
5221     }
5222 
5223 #ifdef FEAT_FOLDING
5224     /* Redraw when 'foldenable' changed */
5225     if (old_fen != curwin->w_p_fen)
5226     {
5227 # ifdef FEAT_DIFF
5228 	win_T	    *wp;
5229 
5230 	if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
5231 	{
5232 	    /* Adjust 'foldenable' in diff-synced windows. */
5233 	    FOR_ALL_WINDOWS(wp)
5234 	    {
5235 		if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
5236 		{
5237 		    wp->w_p_fen = curwin->w_p_fen;
5238 		    changed_window_setting_win(wp);
5239 		}
5240 	    }
5241 	}
5242 # endif
5243 	changed_window_setting();
5244     }
5245 
5246     /* Redraw when 'foldlevel' changed. */
5247     if (old_fdl != curwin->w_p_fdl)
5248 	newFoldLevel();
5249 #endif
5250 }
5251 
5252 #ifdef FEAT_GUI
5253 /*
5254  * Vertical scrollbar movement.
5255  */
5256     static void
5257 nv_ver_scrollbar(cap)
5258     cmdarg_T	*cap;
5259 {
5260     if (cap->oap->op_type != OP_NOP)
5261 	clearopbeep(cap->oap);
5262 
5263     /* Even if an operator was pending, we still want to scroll */
5264     gui_do_scroll();
5265 }
5266 
5267 /*
5268  * Horizontal scrollbar movement.
5269  */
5270     static void
5271 nv_hor_scrollbar(cap)
5272     cmdarg_T	*cap;
5273 {
5274     if (cap->oap->op_type != OP_NOP)
5275 	clearopbeep(cap->oap);
5276 
5277     /* Even if an operator was pending, we still want to scroll */
5278     gui_do_horiz_scroll(scrollbar_value, FALSE);
5279 }
5280 #endif
5281 
5282 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5283 /*
5284  * Click in GUI tab.
5285  */
5286     static void
5287 nv_tabline(cap)
5288     cmdarg_T	*cap;
5289 {
5290     if (cap->oap->op_type != OP_NOP)
5291 	clearopbeep(cap->oap);
5292 
5293     /* Even if an operator was pending, we still want to jump tabs. */
5294     goto_tabpage(current_tab);
5295 }
5296 
5297 /*
5298  * Selected item in tab line menu.
5299  */
5300     static void
5301 nv_tabmenu(cap)
5302     cmdarg_T	*cap;
5303 {
5304     if (cap->oap->op_type != OP_NOP)
5305 	clearopbeep(cap->oap);
5306 
5307     /* Even if an operator was pending, we still want to jump tabs. */
5308     handle_tabmenu();
5309 }
5310 
5311 /*
5312  * Handle selecting an item of the GUI tab line menu.
5313  * Used in Normal and Insert mode.
5314  */
5315     void
5316 handle_tabmenu()
5317 {
5318     switch (current_tabmenu)
5319     {
5320 	case TABLINE_MENU_CLOSE:
5321 	    if (current_tab == 0)
5322 		do_cmdline_cmd((char_u *)"tabclose");
5323 	    else
5324 	    {
5325 		vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5326 								 current_tab);
5327 		do_cmdline_cmd(IObuff);
5328 	    }
5329 	    break;
5330 
5331 	case TABLINE_MENU_NEW:
5332 	    vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5333 				     current_tab > 0 ? current_tab - 1 : 999);
5334 	    do_cmdline_cmd(IObuff);
5335 	    break;
5336 
5337 	case TABLINE_MENU_OPEN:
5338 	    vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5339 				     current_tab > 0 ? current_tab - 1 : 999);
5340 	    do_cmdline_cmd(IObuff);
5341 	    break;
5342     }
5343 }
5344 #endif
5345 
5346 /*
5347  * "Q" command.
5348  */
5349     static void
5350 nv_exmode(cap)
5351     cmdarg_T	*cap;
5352 {
5353     /*
5354      * Ignore 'Q' in Visual mode, just give a beep.
5355      */
5356 #ifdef FEAT_VISUAL
5357     if (VIsual_active)
5358 	vim_beep();
5359     else
5360 #endif
5361 	if (!checkclearop(cap->oap))
5362 	do_exmode(FALSE);
5363 }
5364 
5365 /*
5366  * Handle a ":" command.
5367  */
5368     static void
5369 nv_colon(cap)
5370     cmdarg_T  *cap;
5371 {
5372     int	    old_p_im;
5373 
5374 #ifdef FEAT_VISUAL
5375     if (VIsual_active)
5376 	nv_operator(cap);
5377     else
5378 #endif
5379     {
5380 	if (cap->oap->op_type != OP_NOP)
5381 	{
5382 	    /* Using ":" as a movement is characterwise exclusive. */
5383 	    cap->oap->motion_type = MCHAR;
5384 	    cap->oap->inclusive = FALSE;
5385 	}
5386 	else if (cap->count0)
5387 	{
5388 	    /* translate "count:" into ":.,.+(count - 1)" */
5389 	    stuffcharReadbuff('.');
5390 	    if (cap->count0 > 1)
5391 	    {
5392 		stuffReadbuff((char_u *)",.+");
5393 		stuffnumReadbuff((long)cap->count0 - 1L);
5394 	    }
5395 	}
5396 
5397 	/* When typing, don't type below an old message */
5398 	if (KeyTyped)
5399 	    compute_cmdrow();
5400 
5401 	old_p_im = p_im;
5402 
5403 	/* get a command line and execute it */
5404 	do_cmdline(NULL, getexline, NULL,
5405 			    cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5406 
5407 	/* If 'insertmode' changed, enter or exit Insert mode */
5408 	if (p_im != old_p_im)
5409 	{
5410 	    if (p_im)
5411 		restart_edit = 'i';
5412 	    else
5413 		restart_edit = 0;
5414 	}
5415 
5416 	/* The start of the operator may have become invalid by the Ex
5417 	 * command. */
5418 	if (cap->oap->op_type != OP_NOP
5419 		&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5420 		    || cap->oap->start.col >
5421 			       (colnr_T)STRLEN(ml_get(cap->oap->start.lnum))))
5422 	    clearopbeep(cap->oap);
5423     }
5424 }
5425 
5426 /*
5427  * Handle CTRL-G command.
5428  */
5429     static void
5430 nv_ctrlg(cap)
5431     cmdarg_T *cap;
5432 {
5433 #ifdef FEAT_VISUAL
5434     if (VIsual_active)	/* toggle Selection/Visual mode */
5435     {
5436 	VIsual_select = !VIsual_select;
5437 	showmode();
5438     }
5439     else
5440 #endif
5441 	if (!checkclearop(cap->oap))
5442 	/* print full name if count given or :cd used */
5443 	fileinfo((int)cap->count0, FALSE, TRUE);
5444 }
5445 
5446 /*
5447  * Handle CTRL-H <Backspace> command.
5448  */
5449     static void
5450 nv_ctrlh(cap)
5451     cmdarg_T *cap;
5452 {
5453 #ifdef FEAT_VISUAL
5454     if (VIsual_active && VIsual_select)
5455     {
5456 	cap->cmdchar = 'x';	/* BS key behaves like 'x' in Select mode */
5457 	v_visop(cap);
5458     }
5459     else
5460 #endif
5461 	nv_left(cap);
5462 }
5463 
5464 /*
5465  * CTRL-L: clear screen and redraw.
5466  */
5467     static void
5468 nv_clear(cap)
5469     cmdarg_T	*cap;
5470 {
5471     if (!checkclearop(cap->oap))
5472     {
5473 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5474 	/*
5475 	 * Right now, the BeBox doesn't seem to have an easy way to detect
5476 	 * window resizing, so we cheat and make the user detect it
5477 	 * manually with CTRL-L instead
5478 	 */
5479 	ui_get_shellsize();
5480 #endif
5481 #ifdef FEAT_SYN_HL
5482 	/* Clear all syntax states to force resyncing. */
5483 	syn_stack_free_all(curwin->w_s);
5484 #endif
5485 	redraw_later(CLEAR);
5486     }
5487 }
5488 
5489 /*
5490  * CTRL-O: In Select mode: switch to Visual mode for one command.
5491  * Otherwise: Go to older pcmark.
5492  */
5493     static void
5494 nv_ctrlo(cap)
5495     cmdarg_T	*cap;
5496 {
5497 #ifdef FEAT_VISUAL
5498     if (VIsual_active && VIsual_select)
5499     {
5500 	VIsual_select = FALSE;
5501 	showmode();
5502 	restart_VIsual_select = 2;	/* restart Select mode later */
5503     }
5504     else
5505 #endif
5506     {
5507 	cap->count1 = -cap->count1;
5508 	nv_pcmark(cap);
5509     }
5510 }
5511 
5512 /*
5513  * CTRL-^ command, short for ":e #"
5514  */
5515     static void
5516 nv_hat(cap)
5517     cmdarg_T	*cap;
5518 {
5519     if (!checkclearopq(cap->oap))
5520 	(void)buflist_getfile((int)cap->count0, (linenr_T)0,
5521 						GETF_SETMARK|GETF_ALT, FALSE);
5522 }
5523 
5524 /*
5525  * "Z" commands.
5526  */
5527     static void
5528 nv_Zet(cap)
5529     cmdarg_T *cap;
5530 {
5531     if (!checkclearopq(cap->oap))
5532     {
5533 	switch (cap->nchar)
5534 	{
5535 			/* "ZZ": equivalent to ":x". */
5536 	    case 'Z':	do_cmdline_cmd((char_u *)"x");
5537 			break;
5538 
5539 			/* "ZQ": equivalent to ":q!" (Elvis compatible). */
5540 	    case 'Q':	do_cmdline_cmd((char_u *)"q!");
5541 			break;
5542 
5543 	    default:	clearopbeep(cap->oap);
5544 	}
5545     }
5546 }
5547 
5548 #if defined(FEAT_WINDOWS) || defined(PROTO)
5549 /*
5550  * Call nv_ident() as if "c1" was used, with "c2" as next character.
5551  */
5552     void
5553 do_nv_ident(c1, c2)
5554     int		c1;
5555     int		c2;
5556 {
5557     oparg_T	oa;
5558     cmdarg_T	ca;
5559 
5560     clear_oparg(&oa);
5561     vim_memset(&ca, 0, sizeof(ca));
5562     ca.oap = &oa;
5563     ca.cmdchar = c1;
5564     ca.nchar = c2;
5565     nv_ident(&ca);
5566 }
5567 #endif
5568 
5569 /*
5570  * Handle the commands that use the word under the cursor.
5571  * [g] CTRL-]	:ta to current identifier
5572  * [g] 'K'	run program for current identifier
5573  * [g] '*'	/ to current identifier or string
5574  * [g] '#'	? to current identifier or string
5575  *  g  ']'	:tselect for current identifier
5576  */
5577     static void
5578 nv_ident(cap)
5579     cmdarg_T	*cap;
5580 {
5581     char_u	*ptr = NULL;
5582     char_u	*buf;
5583     char_u	*newbuf;
5584     char_u	*p;
5585     char_u	*kp;		/* value of 'keywordprg' */
5586     int		kp_help;	/* 'keywordprg' is ":help" */
5587     int		n = 0;		/* init for GCC */
5588     int		cmdchar;
5589     int		g_cmd;		/* "g" command */
5590     int		tag_cmd = FALSE;
5591     char_u	*aux_ptr;
5592     int		isman;
5593     int		isman_s;
5594 
5595     if (cap->cmdchar == 'g')	/* "g*", "g#", "g]" and "gCTRL-]" */
5596     {
5597 	cmdchar = cap->nchar;
5598 	g_cmd = TRUE;
5599     }
5600     else
5601     {
5602 	cmdchar = cap->cmdchar;
5603 	g_cmd = FALSE;
5604     }
5605 
5606     if (cmdchar == POUND)	/* the pound sign, '#' for English keyboards */
5607 	cmdchar = '#';
5608 
5609     /*
5610      * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5611      */
5612     if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5613     {
5614 #ifdef FEAT_VISUAL
5615 	if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5616 	    return;
5617 #endif
5618 	if (checkclearopq(cap->oap))
5619 	    return;
5620     }
5621 
5622     if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5623 		    (cmdchar == '*' || cmdchar == '#')
5624 				 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5625     {
5626 	clearop(cap->oap);
5627 	return;
5628     }
5629 
5630     /* Allocate buffer to put the command in.  Inserting backslashes can
5631      * double the length of the word.  p_kp / curbuf->b_p_kp could be added
5632      * and some numbers. */
5633     kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5634     kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5635 						 || STRCMP(kp, ":help") == 0);
5636     buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5637     if (buf == NULL)
5638 	return;
5639     buf[0] = NUL;
5640 
5641     switch (cmdchar)
5642     {
5643 	case '*':
5644 	case '#':
5645 	    /*
5646 	     * Put cursor at start of word, makes search skip the word
5647 	     * under the cursor.
5648 	     * Call setpcmark() first, so "*``" puts the cursor back where
5649 	     * it was.
5650 	     */
5651 	    setpcmark();
5652 	    curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5653 
5654 	    if (!g_cmd && vim_iswordp(ptr))
5655 		STRCPY(buf, "\\<");
5656 	    no_smartcase = TRUE;	/* don't use 'smartcase' now */
5657 	    break;
5658 
5659 	case 'K':
5660 	    if (kp_help)
5661 		STRCPY(buf, "he! ");
5662 	    else
5663 	    {
5664 		/* An external command will probably use an argument starting
5665 		 * with "-" as an option.  To avoid trouble we skip the "-". */
5666 		while (*ptr == '-' && n > 0)
5667 		{
5668 		    ++ptr;
5669 		    --n;
5670 		}
5671 		if (n == 0)
5672 		{
5673 		    EMSG(_(e_noident));	 /* found dashes only */
5674 		    vim_free(buf);
5675 		    return;
5676 		}
5677 
5678 		/* When a count is given, turn it into a range.  Is this
5679 		 * really what we want? */
5680 		isman = (STRCMP(kp, "man") == 0);
5681 		isman_s = (STRCMP(kp, "man -s") == 0);
5682 		if (cap->count0 != 0 && !(isman || isman_s))
5683 		    sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5684 
5685 		STRCAT(buf, "! ");
5686 		if (cap->count0 == 0 && isman_s)
5687 		    STRCAT(buf, "man");
5688 		else
5689 		    STRCAT(buf, kp);
5690 		STRCAT(buf, " ");
5691 		if (cap->count0 != 0 && (isman || isman_s))
5692 		{
5693 		    sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5694 		    STRCAT(buf, " ");
5695 		}
5696 	    }
5697 	    break;
5698 
5699 	case ']':
5700 	    tag_cmd = TRUE;
5701 #ifdef FEAT_CSCOPE
5702 	    if (p_cst)
5703 		STRCPY(buf, "cstag ");
5704 	    else
5705 #endif
5706 		STRCPY(buf, "ts ");
5707 	    break;
5708 
5709 	default:
5710 	    tag_cmd = TRUE;
5711 	    if (curbuf->b_help)
5712 		STRCPY(buf, "he! ");
5713 	    else
5714 	    {
5715 		if (g_cmd)
5716 		    STRCPY(buf, "tj ");
5717 		else
5718 		    sprintf((char *)buf, "%ldta ", cap->count0);
5719 	    }
5720     }
5721 
5722     /*
5723      * Now grab the chars in the identifier
5724      */
5725     if (cmdchar == 'K' && !kp_help)
5726     {
5727 	/* Escape the argument properly for a shell command */
5728 	ptr = vim_strnsave(ptr, n);
5729 	p = vim_strsave_shellescape(ptr, TRUE);
5730 	vim_free(ptr);
5731 	if (p == NULL)
5732 	{
5733 	    vim_free(buf);
5734 	    return;
5735 	}
5736 	newbuf = (char_u *)vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1);
5737 	if (newbuf == NULL)
5738 	{
5739 	    vim_free(buf);
5740 	    vim_free(p);
5741 	    return;
5742 	}
5743 	buf = newbuf;
5744 	STRCAT(buf, p);
5745 	vim_free(p);
5746     }
5747     else
5748     {
5749 	if (cmdchar == '*')
5750 	    aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5751 	else if (cmdchar == '#')
5752 	    aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5753 	else if (tag_cmd)
5754 	{
5755 	    if (curbuf->b_help)
5756 		/* ":help" handles unescaped argument */
5757 		aux_ptr = (char_u *)"";
5758 	    else
5759 		aux_ptr = (char_u *)"\\|\"\n[";
5760 	}
5761 	else
5762 	    aux_ptr = (char_u *)"\\|\"\n*?[";
5763 
5764 	p = buf + STRLEN(buf);
5765 	while (n-- > 0)
5766 	{
5767 	    /* put a backslash before \ and some others */
5768 	    if (vim_strchr(aux_ptr, *ptr) != NULL)
5769 		*p++ = '\\';
5770 #ifdef FEAT_MBYTE
5771 	    /* When current byte is a part of multibyte character, copy all
5772 	     * bytes of that character. */
5773 	    if (has_mbyte)
5774 	    {
5775 		int i;
5776 		int len = (*mb_ptr2len)(ptr) - 1;
5777 
5778 		for (i = 0; i < len && n >= 1; ++i, --n)
5779 		    *p++ = *ptr++;
5780 	    }
5781 #endif
5782 	    *p++ = *ptr++;
5783 	}
5784 	*p = NUL;
5785     }
5786 
5787     /*
5788      * Execute the command.
5789      */
5790     if (cmdchar == '*' || cmdchar == '#')
5791     {
5792 	if (!g_cmd && (
5793 #ifdef FEAT_MBYTE
5794 		has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5795 #endif
5796 		vim_iswordc(ptr[-1])))
5797 	    STRCAT(buf, "\\>");
5798 #ifdef FEAT_CMDHIST
5799 	/* put pattern in search history */
5800 	init_history();
5801 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5802 #endif
5803 	normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5804     }
5805     else
5806 	do_cmdline_cmd(buf);
5807 
5808     vim_free(buf);
5809 }
5810 
5811 #if defined(FEAT_VISUAL) || defined(PROTO)
5812 /*
5813  * Get visually selected text, within one line only.
5814  * Returns FAIL if more than one line selected.
5815  */
5816     int
5817 get_visual_text(cap, pp, lenp)
5818     cmdarg_T	*cap;
5819     char_u	**pp;	    /* return: start of selected text */
5820     int		*lenp;	    /* return: length of selected text */
5821 {
5822     if (VIsual_mode != 'V')
5823 	unadjust_for_sel();
5824     if (VIsual.lnum != curwin->w_cursor.lnum)
5825     {
5826 	if (cap != NULL)
5827 	    clearopbeep(cap->oap);
5828 	return FAIL;
5829     }
5830     if (VIsual_mode == 'V')
5831     {
5832 	*pp = ml_get_curline();
5833 	*lenp = (int)STRLEN(*pp);
5834     }
5835     else
5836     {
5837 	if (lt(curwin->w_cursor, VIsual))
5838 	{
5839 	    *pp = ml_get_pos(&curwin->w_cursor);
5840 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
5841 	}
5842 	else
5843 	{
5844 	    *pp = ml_get_pos(&VIsual);
5845 	    *lenp = curwin->w_cursor.col - VIsual.col + 1;
5846 	}
5847 #ifdef FEAT_MBYTE
5848 	if (has_mbyte)
5849 	    /* Correct the length to include the whole last character. */
5850 	    *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5851 #endif
5852     }
5853     reset_VIsual_and_resel();
5854     return OK;
5855 }
5856 #endif
5857 
5858 /*
5859  * CTRL-T: backwards in tag stack
5860  */
5861     static void
5862 nv_tagpop(cap)
5863     cmdarg_T	*cap;
5864 {
5865     if (!checkclearopq(cap->oap))
5866 	do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5867 }
5868 
5869 /*
5870  * Handle scrolling command 'H', 'L' and 'M'.
5871  */
5872     static void
5873 nv_scroll(cap)
5874     cmdarg_T  *cap;
5875 {
5876     int		used = 0;
5877     long	n;
5878 #ifdef FEAT_FOLDING
5879     linenr_T	lnum;
5880 #endif
5881     int		half;
5882 
5883     cap->oap->motion_type = MLINE;
5884     setpcmark();
5885 
5886     if (cap->cmdchar == 'L')
5887     {
5888 	validate_botline();	    /* make sure curwin->w_botline is valid */
5889 	curwin->w_cursor.lnum = curwin->w_botline - 1;
5890 	if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5891 	    curwin->w_cursor.lnum = 1;
5892 	else
5893 	{
5894 #ifdef FEAT_FOLDING
5895 	    if (hasAnyFolding(curwin))
5896 	    {
5897 		/* Count a fold for one screen line. */
5898 		for (n = cap->count1 - 1; n > 0
5899 			    && curwin->w_cursor.lnum > curwin->w_topline; --n)
5900 		{
5901 		    (void)hasFolding(curwin->w_cursor.lnum,
5902 						&curwin->w_cursor.lnum, NULL);
5903 		    --curwin->w_cursor.lnum;
5904 		}
5905 	    }
5906 	    else
5907 #endif
5908 		curwin->w_cursor.lnum -= cap->count1 - 1;
5909 	}
5910     }
5911     else
5912     {
5913 	if (cap->cmdchar == 'M')
5914 	{
5915 #ifdef FEAT_DIFF
5916 	    /* Don't count filler lines above the window. */
5917 	    used -= diff_check_fill(curwin, curwin->w_topline)
5918 							  - curwin->w_topfill;
5919 #endif
5920 	    validate_botline();	    /* make sure w_empty_rows is valid */
5921 	    half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5922 	    for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5923 	    {
5924 #ifdef FEAT_DIFF
5925 		/* Count half he number of filler lines to be "below this
5926 		 * line" and half to be "above the next line". */
5927 		if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5928 							     + n) / 2 >= half)
5929 		{
5930 		    --n;
5931 		    break;
5932 		}
5933 #endif
5934 		used += plines(curwin->w_topline + n);
5935 		if (used >= half)
5936 		    break;
5937 #ifdef FEAT_FOLDING
5938 		if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5939 		    n = lnum - curwin->w_topline;
5940 #endif
5941 	    }
5942 	    if (n > 0 && used > curwin->w_height)
5943 		--n;
5944 	}
5945 	else /* (cap->cmdchar == 'H') */
5946 	{
5947 	    n = cap->count1 - 1;
5948 #ifdef FEAT_FOLDING
5949 	    if (hasAnyFolding(curwin))
5950 	    {
5951 		/* Count a fold for one screen line. */
5952 		lnum = curwin->w_topline;
5953 		while (n-- > 0 && lnum < curwin->w_botline - 1)
5954 		{
5955 		    hasFolding(lnum, NULL, &lnum);
5956 		    ++lnum;
5957 		}
5958 		n = lnum - curwin->w_topline;
5959 	    }
5960 #endif
5961 	}
5962 	curwin->w_cursor.lnum = curwin->w_topline + n;
5963 	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5964 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5965     }
5966 
5967     cursor_correct();	/* correct for 'so' */
5968     beginline(BL_SOL | BL_FIX);
5969 }
5970 
5971 /*
5972  * Cursor right commands.
5973  */
5974     static void
5975 nv_right(cap)
5976     cmdarg_T	*cap;
5977 {
5978     long	n;
5979 #ifdef FEAT_VISUAL
5980     int		PAST_LINE;
5981 #else
5982 # define PAST_LINE 0
5983 #endif
5984 
5985     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5986     {
5987 	/* <C-Right> and <S-Right> move a word or WORD right */
5988 	if (mod_mask & MOD_MASK_CTRL)
5989 	    cap->arg = TRUE;
5990 	nv_wordcmd(cap);
5991 	return;
5992     }
5993 
5994     cap->oap->motion_type = MCHAR;
5995     cap->oap->inclusive = FALSE;
5996 #ifdef FEAT_VISUAL
5997     PAST_LINE = (VIsual_active && *p_sel != 'o');
5998 
5999 # ifdef FEAT_VIRTUALEDIT
6000     /*
6001      * In virtual mode, there's no such thing as "PAST_LINE", as lines are
6002      * (theoretically) infinitely long.
6003      */
6004     if (virtual_active())
6005 	PAST_LINE = 0;
6006 # endif
6007 #endif
6008 
6009     for (n = cap->count1; n > 0; --n)
6010     {
6011 	if ((!PAST_LINE && oneright() == FAIL)
6012 #ifdef FEAT_VISUAL
6013 		|| (PAST_LINE && *ml_get_cursor() == NUL)
6014 #endif
6015 		)
6016 	{
6017 	    /*
6018 	     *	  <Space> wraps to next line if 'whichwrap' has 's'.
6019 	     *	      'l' wraps to next line if 'whichwrap' has 'l'.
6020 	     * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
6021 	     */
6022 	    if (       ((cap->cmdchar == ' '
6023 			    && vim_strchr(p_ww, 's') != NULL)
6024 			|| (cap->cmdchar == 'l'
6025 			    && vim_strchr(p_ww, 'l') != NULL)
6026 			|| (cap->cmdchar == K_RIGHT
6027 			    && vim_strchr(p_ww, '>') != NULL))
6028 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
6029 	    {
6030 		/* When deleting we also count the NL as a character.
6031 		 * Set cap->oap->inclusive when last char in the line is
6032 		 * included, move to next line after that */
6033 		if (	   cap->oap->op_type != OP_NOP
6034 			&& !cap->oap->inclusive
6035 			&& !lineempty(curwin->w_cursor.lnum))
6036 		    cap->oap->inclusive = TRUE;
6037 		else
6038 		{
6039 		    ++curwin->w_cursor.lnum;
6040 		    curwin->w_cursor.col = 0;
6041 #ifdef FEAT_VIRTUALEDIT
6042 		    curwin->w_cursor.coladd = 0;
6043 #endif
6044 		    curwin->w_set_curswant = TRUE;
6045 		    cap->oap->inclusive = FALSE;
6046 		}
6047 		continue;
6048 	    }
6049 	    if (cap->oap->op_type == OP_NOP)
6050 	    {
6051 		/* Only beep and flush if not moved at all */
6052 		if (n == cap->count1)
6053 		    beep_flush();
6054 	    }
6055 	    else
6056 	    {
6057 		if (!lineempty(curwin->w_cursor.lnum))
6058 		    cap->oap->inclusive = TRUE;
6059 	    }
6060 	    break;
6061 	}
6062 #ifdef FEAT_VISUAL
6063 	else if (PAST_LINE)
6064 	{
6065 	    curwin->w_set_curswant = TRUE;
6066 # ifdef FEAT_VIRTUALEDIT
6067 	    if (virtual_active())
6068 		oneright();
6069 	    else
6070 # endif
6071 	    {
6072 # ifdef FEAT_MBYTE
6073 		if (has_mbyte)
6074 		    curwin->w_cursor.col +=
6075 					 (*mb_ptr2len)(ml_get_cursor());
6076 		else
6077 # endif
6078 		    ++curwin->w_cursor.col;
6079 	    }
6080 	}
6081 #endif
6082     }
6083 #ifdef FEAT_FOLDING
6084     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
6085 					       && cap->oap->op_type == OP_NOP)
6086 	foldOpenCursor();
6087 #endif
6088 }
6089 
6090 /*
6091  * Cursor left commands.
6092  *
6093  * Returns TRUE when operator end should not be adjusted.
6094  */
6095     static void
6096 nv_left(cap)
6097     cmdarg_T	*cap;
6098 {
6099     long	n;
6100 
6101     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
6102     {
6103 	/* <C-Left> and <S-Left> move a word or WORD left */
6104 	if (mod_mask & MOD_MASK_CTRL)
6105 	    cap->arg = 1;
6106 	nv_bck_word(cap);
6107 	return;
6108     }
6109 
6110     cap->oap->motion_type = MCHAR;
6111     cap->oap->inclusive = FALSE;
6112     for (n = cap->count1; n > 0; --n)
6113     {
6114 	if (oneleft() == FAIL)
6115 	{
6116 	    /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
6117 	     *		 'h' wraps to previous line if 'whichwrap' has 'h'.
6118 	     *	   CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
6119 	     */
6120 	    if (       (((cap->cmdchar == K_BS
6121 				|| cap->cmdchar == Ctrl_H)
6122 			    && vim_strchr(p_ww, 'b') != NULL)
6123 			|| (cap->cmdchar == 'h'
6124 			    && vim_strchr(p_ww, 'h') != NULL)
6125 			|| (cap->cmdchar == K_LEFT
6126 			    && vim_strchr(p_ww, '<') != NULL))
6127 		    && curwin->w_cursor.lnum > 1)
6128 	    {
6129 		--(curwin->w_cursor.lnum);
6130 		coladvance((colnr_T)MAXCOL);
6131 		curwin->w_set_curswant = TRUE;
6132 
6133 		/* When the NL before the first char has to be deleted we
6134 		 * put the cursor on the NUL after the previous line.
6135 		 * This is a very special case, be careful!
6136 		 * Don't adjust op_end now, otherwise it won't work. */
6137 		if (	   (cap->oap->op_type == OP_DELETE
6138 			    || cap->oap->op_type == OP_CHANGE)
6139 			&& !lineempty(curwin->w_cursor.lnum))
6140 		{
6141 		    if (*ml_get_cursor() != NUL)
6142 			++curwin->w_cursor.col;
6143 		    cap->retval |= CA_NO_ADJ_OP_END;
6144 		}
6145 		continue;
6146 	    }
6147 	    /* Only beep and flush if not moved at all */
6148 	    else if (cap->oap->op_type == OP_NOP && n == cap->count1)
6149 		beep_flush();
6150 	    break;
6151 	}
6152     }
6153 #ifdef FEAT_FOLDING
6154     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
6155 					       && cap->oap->op_type == OP_NOP)
6156 	foldOpenCursor();
6157 #endif
6158 }
6159 
6160 /*
6161  * Cursor up commands.
6162  * cap->arg is TRUE for "-": Move cursor to first non-blank.
6163  */
6164     static void
6165 nv_up(cap)
6166     cmdarg_T	*cap;
6167 {
6168     if (mod_mask & MOD_MASK_SHIFT)
6169     {
6170 	/* <S-Up> is page up */
6171 	cap->arg = BACKWARD;
6172 	nv_page(cap);
6173     }
6174     else
6175     {
6176 	cap->oap->motion_type = MLINE;
6177 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6178 	    clearopbeep(cap->oap);
6179 	else if (cap->arg)
6180 	    beginline(BL_WHITE | BL_FIX);
6181     }
6182 }
6183 
6184 /*
6185  * Cursor down commands.
6186  * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
6187  */
6188     static void
6189 nv_down(cap)
6190     cmdarg_T	*cap;
6191 {
6192     if (mod_mask & MOD_MASK_SHIFT)
6193     {
6194 	/* <S-Down> is page down */
6195 	cap->arg = FORWARD;
6196 	nv_page(cap);
6197     }
6198     else
6199 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
6200     /* In a quickfix window a <CR> jumps to the error under the cursor. */
6201     if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
6202 	if (curwin->w_llist_ref == NULL)
6203 	    do_cmdline_cmd((char_u *)".cc");	/* quickfix window */
6204 	else
6205 	    do_cmdline_cmd((char_u *)".ll");	/* location list window */
6206     else
6207 #endif
6208     {
6209 #ifdef FEAT_CMDWIN
6210 	/* In the cmdline window a <CR> executes the command. */
6211 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
6212 	    cmdwin_result = CAR;
6213 	else
6214 #endif
6215 	{
6216 	    cap->oap->motion_type = MLINE;
6217 	    if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6218 		clearopbeep(cap->oap);
6219 	    else if (cap->arg)
6220 		beginline(BL_WHITE | BL_FIX);
6221 	}
6222     }
6223 }
6224 
6225 #ifdef FEAT_SEARCHPATH
6226 /*
6227  * Grab the file name under the cursor and edit it.
6228  */
6229     static void
6230 nv_gotofile(cap)
6231     cmdarg_T	*cap;
6232 {
6233     char_u	*ptr;
6234     linenr_T	lnum = -1;
6235 
6236     if (text_locked())
6237     {
6238 	clearopbeep(cap->oap);
6239 	text_locked_msg();
6240 	return;
6241     }
6242 #ifdef FEAT_AUTOCMD
6243     if (curbuf_locked())
6244     {
6245 	clearop(cap->oap);
6246 	return;
6247     }
6248 #endif
6249 
6250     ptr = grab_file_name(cap->count1, &lnum);
6251 
6252     if (ptr != NULL)
6253     {
6254 	/* do autowrite if necessary */
6255 	if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
6256 	    autowrite(curbuf, FALSE);
6257 	setpcmark();
6258 	(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
6259 				       P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
6260 	if (cap->nchar == 'F' && lnum >= 0)
6261 	{
6262 	    curwin->w_cursor.lnum = lnum;
6263 	    check_cursor_lnum();
6264 	    beginline(BL_SOL | BL_FIX);
6265 	}
6266 	vim_free(ptr);
6267     }
6268     else
6269 	clearop(cap->oap);
6270 }
6271 #endif
6272 
6273 /*
6274  * <End> command: to end of current line or last line.
6275  */
6276     static void
6277 nv_end(cap)
6278     cmdarg_T	*cap;
6279 {
6280     if (cap->arg || (mod_mask & MOD_MASK_CTRL))	/* CTRL-END = goto last line */
6281     {
6282 	cap->arg = TRUE;
6283 	nv_goto(cap);
6284 	cap->count1 = 1;		/* to end of current line */
6285     }
6286     nv_dollar(cap);
6287 }
6288 
6289 /*
6290  * Handle the "$" command.
6291  */
6292     static void
6293 nv_dollar(cap)
6294     cmdarg_T	*cap;
6295 {
6296     cap->oap->motion_type = MCHAR;
6297     cap->oap->inclusive = TRUE;
6298 #ifdef FEAT_VIRTUALEDIT
6299     /* In virtual mode when off the edge of a line and an operator
6300      * is pending (whew!) keep the cursor where it is.
6301      * Otherwise, send it to the end of the line. */
6302     if (!virtual_active() || gchar_cursor() != NUL
6303 					       || cap->oap->op_type == OP_NOP)
6304 #endif
6305 	curwin->w_curswant = MAXCOL;	/* so we stay at the end */
6306     if (cursor_down((long)(cap->count1 - 1),
6307 					 cap->oap->op_type == OP_NOP) == FAIL)
6308 	clearopbeep(cap->oap);
6309 #ifdef FEAT_FOLDING
6310     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6311 	foldOpenCursor();
6312 #endif
6313 }
6314 
6315 /*
6316  * Implementation of '?' and '/' commands.
6317  * If cap->arg is TRUE don't set PC mark.
6318  */
6319     static void
6320 nv_search(cap)
6321     cmdarg_T	    *cap;
6322 {
6323     oparg_T	*oap = cap->oap;
6324 
6325     if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6326     {
6327 	/* Translate "g??" to "g?g?" */
6328 	cap->cmdchar = 'g';
6329 	cap->nchar = '?';
6330 	nv_operator(cap);
6331 	return;
6332     }
6333 
6334     cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6335 
6336     if (cap->searchbuf == NULL)
6337     {
6338 	clearop(oap);
6339 	return;
6340     }
6341 
6342     normal_search(cap, cap->cmdchar, cap->searchbuf,
6343 						(cap->arg ? 0 : SEARCH_MARK));
6344 }
6345 
6346 /*
6347  * Handle "N" and "n" commands.
6348  * cap->arg is SEARCH_REV for "N", 0 for "n".
6349  */
6350     static void
6351 nv_next(cap)
6352     cmdarg_T	*cap;
6353 {
6354     normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6355 }
6356 
6357 /*
6358  * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6359  * Uses only cap->count1 and cap->oap from "cap".
6360  */
6361     static void
6362 normal_search(cap, dir, pat, opt)
6363     cmdarg_T	*cap;
6364     int		dir;
6365     char_u	*pat;
6366     int		opt;		/* extra flags for do_search() */
6367 {
6368     int		i;
6369 
6370     cap->oap->motion_type = MCHAR;
6371     cap->oap->inclusive = FALSE;
6372     cap->oap->use_reg_one = TRUE;
6373     curwin->w_set_curswant = TRUE;
6374 
6375     i = do_search(cap->oap, dir, pat, cap->count1,
6376 			   opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
6377     if (i == 0)
6378 	clearop(cap->oap);
6379     else
6380     {
6381 	if (i == 2)
6382 	    cap->oap->motion_type = MLINE;
6383 #ifdef FEAT_VIRTUALEDIT
6384 	curwin->w_cursor.coladd = 0;
6385 #endif
6386 #ifdef FEAT_FOLDING
6387 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6388 	    foldOpenCursor();
6389 #endif
6390     }
6391 
6392     /* "/$" will put the cursor after the end of the line, may need to
6393      * correct that here */
6394     check_cursor();
6395 }
6396 
6397 /*
6398  * Character search commands.
6399  * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6400  * ',' and FALSE for ';'.
6401  * cap->nchar is NUL for ',' and ';' (repeat the search)
6402  */
6403     static void
6404 nv_csearch(cap)
6405     cmdarg_T	*cap;
6406 {
6407     int		t_cmd;
6408 
6409     if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6410 	t_cmd = TRUE;
6411     else
6412 	t_cmd = FALSE;
6413 
6414     cap->oap->motion_type = MCHAR;
6415     if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6416 	clearopbeep(cap->oap);
6417     else
6418     {
6419 	curwin->w_set_curswant = TRUE;
6420 #ifdef FEAT_VIRTUALEDIT
6421 	/* Include a Tab for "tx" and for "dfx". */
6422 	if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6423 		&& (t_cmd || cap->oap->op_type != OP_NOP))
6424 	{
6425 	    colnr_T	scol, ecol;
6426 
6427 	    getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6428 	    curwin->w_cursor.coladd = ecol - scol;
6429 	}
6430 	else
6431 	    curwin->w_cursor.coladd = 0;
6432 #endif
6433 #ifdef FEAT_VISUAL
6434 	adjust_for_sel(cap);
6435 #endif
6436 #ifdef FEAT_FOLDING
6437 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6438 	    foldOpenCursor();
6439 #endif
6440     }
6441 }
6442 
6443 /*
6444  * "[" and "]" commands.
6445  * cap->arg is BACKWARD for "[" and FORWARD for "]".
6446  */
6447     static void
6448 nv_brackets(cap)
6449     cmdarg_T	*cap;
6450 {
6451     pos_T	new_pos = INIT_POS_T(0, 0, 0);
6452     pos_T	prev_pos;
6453     pos_T	*pos = NULL;	    /* init for GCC */
6454     pos_T	old_pos;	    /* cursor position before command */
6455     int		flag;
6456     long	n;
6457     int		findc;
6458     int		c;
6459 
6460     cap->oap->motion_type = MCHAR;
6461     cap->oap->inclusive = FALSE;
6462     old_pos = curwin->w_cursor;
6463 #ifdef FEAT_VIRTUALEDIT
6464     curwin->w_cursor.coladd = 0;	    /* TODO: don't do this for an error. */
6465 #endif
6466 
6467 #ifdef FEAT_SEARCHPATH
6468     /*
6469      * "[f" or "]f" : Edit file under the cursor (same as "gf")
6470      */
6471     if (cap->nchar == 'f')
6472 	nv_gotofile(cap);
6473     else
6474 #endif
6475 
6476 #ifdef FEAT_FIND_ID
6477     /*
6478      * Find the occurrence(s) of the identifier or define under cursor
6479      * in current and included files or jump to the first occurrence.
6480      *
6481      *			search	     list	    jump
6482      *		      fwd   bwd    fwd	 bwd	 fwd	bwd
6483      * identifier     "]i"  "[i"   "]I"  "[I"	"]^I"  "[^I"
6484      * define	      "]d"  "[d"   "]D"  "[D"	"]^D"  "[^D"
6485      */
6486     if (vim_strchr((char_u *)
6487 #ifdef EBCDIC
6488 		"iI\005dD\067",
6489 #else
6490 		"iI\011dD\004",
6491 #endif
6492 		cap->nchar) != NULL)
6493     {
6494 	char_u	*ptr;
6495 	int	len;
6496 
6497 	if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6498 	    clearop(cap->oap);
6499 	else
6500 	{
6501 	    find_pattern_in_path(ptr, 0, len, TRUE,
6502 		cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6503 		((cap->nchar & 0xf) == ('d' & 0xf)) ?  FIND_DEFINE : FIND_ANY,
6504 		cap->count1,
6505 		isupper(cap->nchar) ? ACTION_SHOW_ALL :
6506 			    islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6507 		cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6508 		(linenr_T)MAXLNUM);
6509 	    curwin->w_set_curswant = TRUE;
6510 	}
6511     }
6512     else
6513 #endif
6514 
6515     /*
6516      * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6517      * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6518      * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6519      * "[m" or "]m" search for prev/next start of (Java) method.
6520      * "[M" or "]M" search for prev/next end of (Java) method.
6521      */
6522     if (  (cap->cmdchar == '['
6523 		&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6524 	    || (cap->cmdchar == ']'
6525 		&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6526     {
6527 	if (cap->nchar == '*')
6528 	    cap->nchar = '/';
6529 	prev_pos.lnum = 0;
6530 	if (cap->nchar == 'm' || cap->nchar == 'M')
6531 	{
6532 	    if (cap->cmdchar == '[')
6533 		findc = '{';
6534 	    else
6535 		findc = '}';
6536 	    n = 9999;
6537 	}
6538 	else
6539 	{
6540 	    findc = cap->nchar;
6541 	    n = cap->count1;
6542 	}
6543 	for ( ; n > 0; --n)
6544 	{
6545 	    if ((pos = findmatchlimit(cap->oap, findc,
6546 		(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6547 	    {
6548 		if (new_pos.lnum == 0)	/* nothing found */
6549 		{
6550 		    if (cap->nchar != 'm' && cap->nchar != 'M')
6551 			clearopbeep(cap->oap);
6552 		}
6553 		else
6554 		    pos = &new_pos;	/* use last one found */
6555 		break;
6556 	    }
6557 	    prev_pos = new_pos;
6558 	    curwin->w_cursor = *pos;
6559 	    new_pos = *pos;
6560 	}
6561 	curwin->w_cursor = old_pos;
6562 
6563 	/*
6564 	 * Handle "[m", "]m", "[M" and "[M".  The findmatchlimit() only
6565 	 * brought us to the match for "[m" and "]M" when inside a method.
6566 	 * Try finding the '{' or '}' we want to be at.
6567 	 * Also repeat for the given count.
6568 	 */
6569 	if (cap->nchar == 'm' || cap->nchar == 'M')
6570 	{
6571 	    /* norm is TRUE for "]M" and "[m" */
6572 	    int	    norm = ((findc == '{') == (cap->nchar == 'm'));
6573 
6574 	    n = cap->count1;
6575 	    /* found a match: we were inside a method */
6576 	    if (prev_pos.lnum != 0)
6577 	    {
6578 		pos = &prev_pos;
6579 		curwin->w_cursor = prev_pos;
6580 		if (norm)
6581 		    --n;
6582 	    }
6583 	    else
6584 		pos = NULL;
6585 	    while (n > 0)
6586 	    {
6587 		for (;;)
6588 		{
6589 		    if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6590 		    {
6591 			/* if not found anything, that's an error */
6592 			if (pos == NULL)
6593 			    clearopbeep(cap->oap);
6594 			n = 0;
6595 			break;
6596 		    }
6597 		    c = gchar_cursor();
6598 		    if (c == '{' || c == '}')
6599 		    {
6600 			/* Must have found end/start of class: use it.
6601 			 * Or found the place to be at. */
6602 			if ((c == findc && norm) || (n == 1 && !norm))
6603 			{
6604 			    new_pos = curwin->w_cursor;
6605 			    pos = &new_pos;
6606 			    n = 0;
6607 			}
6608 			/* if no match found at all, we started outside of the
6609 			 * class and we're inside now.  Just go on. */
6610 			else if (new_pos.lnum == 0)
6611 			{
6612 			    new_pos = curwin->w_cursor;
6613 			    pos = &new_pos;
6614 			}
6615 			/* found start/end of other method: go to match */
6616 			else if ((pos = findmatchlimit(cap->oap, findc,
6617 			    (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6618 								  0)) == NULL)
6619 			    n = 0;
6620 			else
6621 			    curwin->w_cursor = *pos;
6622 			break;
6623 		    }
6624 		}
6625 		--n;
6626 	    }
6627 	    curwin->w_cursor = old_pos;
6628 	    if (pos == NULL && new_pos.lnum != 0)
6629 		clearopbeep(cap->oap);
6630 	}
6631 	if (pos != NULL)
6632 	{
6633 	    setpcmark();
6634 	    curwin->w_cursor = *pos;
6635 	    curwin->w_set_curswant = TRUE;
6636 #ifdef FEAT_FOLDING
6637 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped
6638 					       && cap->oap->op_type == OP_NOP)
6639 		foldOpenCursor();
6640 #endif
6641 	}
6642     }
6643 
6644     /*
6645      * "[[", "[]", "]]" and "][": move to start or end of function
6646      */
6647     else if (cap->nchar == '[' || cap->nchar == ']')
6648     {
6649 	if (cap->nchar == cap->cmdchar)		    /* "]]" or "[[" */
6650 	    flag = '{';
6651 	else
6652 	    flag = '}';		    /* "][" or "[]" */
6653 
6654 	curwin->w_set_curswant = TRUE;
6655 	/*
6656 	 * Imitate strange Vi behaviour: When using "]]" with an operator
6657 	 * we also stop at '}'.
6658 	 */
6659 	if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6660 	      (cap->oap->op_type != OP_NOP
6661 				      && cap->arg == FORWARD && flag == '{')))
6662 	    clearopbeep(cap->oap);
6663 	else
6664 	{
6665 	    if (cap->oap->op_type == OP_NOP)
6666 		beginline(BL_WHITE | BL_FIX);
6667 #ifdef FEAT_FOLDING
6668 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6669 		foldOpenCursor();
6670 #endif
6671 	}
6672     }
6673 
6674     /*
6675      * "[p", "[P", "]P" and "]p": put with indent adjustment
6676      */
6677     else if (cap->nchar == 'p' || cap->nchar == 'P')
6678     {
6679 	if (!checkclearop(cap->oap))
6680 	{
6681 	    prep_redo_cmd(cap);
6682 	    do_put(cap->oap->regname,
6683 	      (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6684 						  cap->count1, PUT_FIXINDENT);
6685 	}
6686     }
6687 
6688     /*
6689      * "['", "[`", "]'" and "]`": jump to next mark
6690      */
6691     else if (cap->nchar == '\'' || cap->nchar == '`')
6692     {
6693 	pos = &curwin->w_cursor;
6694 	for (n = cap->count1; n > 0; --n)
6695 	{
6696 	    prev_pos = *pos;
6697 	    pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6698 							  cap->nchar == '\'');
6699 	    if (pos == NULL)
6700 		break;
6701 	}
6702 	if (pos == NULL)
6703 	    pos = &prev_pos;
6704 	nv_cursormark(cap, cap->nchar == '\'', pos);
6705     }
6706 
6707 #ifdef FEAT_MOUSE
6708     /*
6709      * [ or ] followed by a middle mouse click: put selected text with
6710      * indent adjustment.  Any other button just does as usual.
6711      */
6712     else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE)
6713     {
6714 	(void)do_mouse(cap->oap, cap->nchar,
6715 		       (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6716 		       cap->count1, PUT_FIXINDENT);
6717     }
6718 #endif /* FEAT_MOUSE */
6719 
6720 #ifdef FEAT_FOLDING
6721     /*
6722      * "[z" and "]z": move to start or end of open fold.
6723      */
6724     else if (cap->nchar == 'z')
6725     {
6726 	if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6727 							 cap->count1) == FAIL)
6728 	    clearopbeep(cap->oap);
6729     }
6730 #endif
6731 
6732 #ifdef FEAT_DIFF
6733     /*
6734      * "[c" and "]c": move to next or previous diff-change.
6735      */
6736     else if (cap->nchar == 'c')
6737     {
6738 	if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6739 							 cap->count1) == FAIL)
6740 	    clearopbeep(cap->oap);
6741     }
6742 #endif
6743 
6744 #ifdef FEAT_SPELL
6745     /*
6746      * "[s", "[S", "]s" and "]S": move to next spell error.
6747      */
6748     else if (cap->nchar == 's' || cap->nchar == 'S')
6749     {
6750 	setpcmark();
6751 	for (n = 0; n < cap->count1; ++n)
6752 	    if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6753 			  cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6754 	    {
6755 		clearopbeep(cap->oap);
6756 		break;
6757 	    }
6758 # ifdef FEAT_FOLDING
6759 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6760 	    foldOpenCursor();
6761 # endif
6762     }
6763 #endif
6764 
6765     /* Not a valid cap->nchar. */
6766     else
6767 	clearopbeep(cap->oap);
6768 }
6769 
6770 /*
6771  * Handle Normal mode "%" command.
6772  */
6773     static void
6774 nv_percent(cap)
6775     cmdarg_T	*cap;
6776 {
6777     pos_T	*pos;
6778 #if defined(FEAT_FOLDING)
6779     linenr_T	lnum = curwin->w_cursor.lnum;
6780 #endif
6781 
6782     cap->oap->inclusive = TRUE;
6783     if (cap->count0)	    /* {cnt}% : goto {cnt} percentage in file */
6784     {
6785 	if (cap->count0 > 100)
6786 	    clearopbeep(cap->oap);
6787 	else
6788 	{
6789 	    cap->oap->motion_type = MLINE;
6790 	    setpcmark();
6791 	    /* Round up, so CTRL-G will give same value.  Watch out for a
6792 	     * large line count, the line number must not go negative! */
6793 	    if (curbuf->b_ml.ml_line_count > 1000000)
6794 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6795 							 / 100L * cap->count0;
6796 	    else
6797 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6798 						    cap->count0 + 99L) / 100L;
6799 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6800 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6801 	    beginline(BL_SOL | BL_FIX);
6802 	}
6803     }
6804     else		    /* "%" : go to matching paren */
6805     {
6806 	cap->oap->motion_type = MCHAR;
6807 	cap->oap->use_reg_one = TRUE;
6808 	if ((pos = findmatch(cap->oap, NUL)) == NULL)
6809 	    clearopbeep(cap->oap);
6810 	else
6811 	{
6812 	    setpcmark();
6813 	    curwin->w_cursor = *pos;
6814 	    curwin->w_set_curswant = TRUE;
6815 #ifdef FEAT_VIRTUALEDIT
6816 	    curwin->w_cursor.coladd = 0;
6817 #endif
6818 #ifdef FEAT_VISUAL
6819 	    adjust_for_sel(cap);
6820 #endif
6821 	}
6822     }
6823 #ifdef FEAT_FOLDING
6824     if (cap->oap->op_type == OP_NOP
6825 	    && lnum != curwin->w_cursor.lnum
6826 	    && (fdo_flags & FDO_PERCENT)
6827 	    && KeyTyped)
6828 	foldOpenCursor();
6829 #endif
6830 }
6831 
6832 /*
6833  * Handle "(" and ")" commands.
6834  * cap->arg is BACKWARD for "(" and FORWARD for ")".
6835  */
6836     static void
6837 nv_brace(cap)
6838     cmdarg_T	*cap;
6839 {
6840     cap->oap->motion_type = MCHAR;
6841     cap->oap->use_reg_one = TRUE;
6842     /* The motion used to be inclusive for "(", but that is not what Vi does. */
6843     cap->oap->inclusive = FALSE;
6844     curwin->w_set_curswant = TRUE;
6845 
6846     if (findsent(cap->arg, cap->count1) == FAIL)
6847 	clearopbeep(cap->oap);
6848     else
6849     {
6850 	/* Don't leave the cursor on the NUL past end of line. */
6851 	adjust_cursor(cap->oap);
6852 #ifdef FEAT_VIRTUALEDIT
6853 	curwin->w_cursor.coladd = 0;
6854 #endif
6855 #ifdef FEAT_FOLDING
6856 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6857 	    foldOpenCursor();
6858 #endif
6859     }
6860 }
6861 
6862 /*
6863  * "m" command: Mark a position.
6864  */
6865     static void
6866 nv_mark(cap)
6867     cmdarg_T	*cap;
6868 {
6869     if (!checkclearop(cap->oap))
6870     {
6871 	if (setmark(cap->nchar) == FAIL)
6872 	    clearopbeep(cap->oap);
6873     }
6874 }
6875 
6876 /*
6877  * "{" and "}" commands.
6878  * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6879  */
6880     static void
6881 nv_findpar(cap)
6882     cmdarg_T	*cap;
6883 {
6884     cap->oap->motion_type = MCHAR;
6885     cap->oap->inclusive = FALSE;
6886     cap->oap->use_reg_one = TRUE;
6887     curwin->w_set_curswant = TRUE;
6888     if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6889 	clearopbeep(cap->oap);
6890     else
6891     {
6892 #ifdef FEAT_VIRTUALEDIT
6893 	curwin->w_cursor.coladd = 0;
6894 #endif
6895 #ifdef FEAT_FOLDING
6896 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6897 	    foldOpenCursor();
6898 #endif
6899     }
6900 }
6901 
6902 /*
6903  * "u" command: Undo or make lower case.
6904  */
6905     static void
6906 nv_undo(cap)
6907     cmdarg_T	*cap;
6908 {
6909     if (cap->oap->op_type == OP_LOWER
6910 #ifdef FEAT_VISUAL
6911 	    || VIsual_active
6912 #endif
6913 	    )
6914     {
6915 	/* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6916 	cap->cmdchar = 'g';
6917 	cap->nchar = 'u';
6918 	nv_operator(cap);
6919     }
6920     else
6921 	nv_kundo(cap);
6922 }
6923 
6924 /*
6925  * <Undo> command.
6926  */
6927     static void
6928 nv_kundo(cap)
6929     cmdarg_T	*cap;
6930 {
6931     if (!checkclearopq(cap->oap))
6932     {
6933 	u_undo((int)cap->count1);
6934 	curwin->w_set_curswant = TRUE;
6935     }
6936 }
6937 
6938 /*
6939  * Handle the "r" command.
6940  */
6941     static void
6942 nv_replace(cap)
6943     cmdarg_T	*cap;
6944 {
6945     char_u	*ptr;
6946     int		had_ctrl_v;
6947     long	n;
6948 
6949     if (checkclearop(cap->oap))
6950 	return;
6951 
6952     /* get another character */
6953     if (cap->nchar == Ctrl_V)
6954     {
6955 	had_ctrl_v = Ctrl_V;
6956 	cap->nchar = get_literal();
6957 	/* Don't redo a multibyte character with CTRL-V. */
6958 	if (cap->nchar > DEL)
6959 	    had_ctrl_v = NUL;
6960     }
6961     else
6962 	had_ctrl_v = NUL;
6963 
6964     /* Abort if the character is a special key. */
6965     if (IS_SPECIAL(cap->nchar))
6966     {
6967 	clearopbeep(cap->oap);
6968 	return;
6969     }
6970 
6971 #ifdef FEAT_VISUAL
6972     /* Visual mode "r" */
6973     if (VIsual_active)
6974     {
6975 	if (got_int)
6976 	    reset_VIsual();
6977 	nv_operator(cap);
6978 	return;
6979     }
6980 #endif
6981 
6982 #ifdef FEAT_VIRTUALEDIT
6983     /* Break tabs, etc. */
6984     if (virtual_active())
6985     {
6986 	if (u_save_cursor() == FAIL)
6987 	    return;
6988 	if (gchar_cursor() == NUL)
6989 	{
6990 	    /* Add extra space and put the cursor on the first one. */
6991 	    coladvance_force((colnr_T)(getviscol() + cap->count1));
6992 	    curwin->w_cursor.col -= cap->count1;
6993 	}
6994 	else if (gchar_cursor() == TAB)
6995 	    coladvance_force(getviscol());
6996     }
6997 #endif
6998 
6999     /* Abort if not enough characters to replace. */
7000     ptr = ml_get_cursor();
7001     if (STRLEN(ptr) < (unsigned)cap->count1
7002 #ifdef FEAT_MBYTE
7003 	    || (has_mbyte && mb_charlen(ptr) < cap->count1)
7004 #endif
7005 	    )
7006     {
7007 	clearopbeep(cap->oap);
7008 	return;
7009     }
7010 
7011     /*
7012      * Replacing with a TAB is done by edit() when it is complicated because
7013      * 'expandtab' or 'smarttab' is set.  CTRL-V TAB inserts a literal TAB.
7014      * Other characters are done below to avoid problems with things like
7015      * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
7016      */
7017     if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
7018     {
7019 	stuffnumReadbuff(cap->count1);
7020 	stuffcharReadbuff('R');
7021 	stuffcharReadbuff('\t');
7022 	stuffcharReadbuff(ESC);
7023 	return;
7024     }
7025 
7026     /* save line for undo */
7027     if (u_save_cursor() == FAIL)
7028 	return;
7029 
7030     if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
7031     {
7032 	/*
7033 	 * Replace character(s) by a single newline.
7034 	 * Strange vi behaviour: Only one newline is inserted.
7035 	 * Delete the characters here.
7036 	 * Insert the newline with an insert command, takes care of
7037 	 * autoindent.	The insert command depends on being on the last
7038 	 * character of a line or not.
7039 	 */
7040 #ifdef FEAT_MBYTE
7041 	(void)del_chars(cap->count1, FALSE);	/* delete the characters */
7042 #else
7043 	(void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
7044 #endif
7045 	stuffcharReadbuff('\r');
7046 	stuffcharReadbuff(ESC);
7047 
7048 	/* Give 'r' to edit(), to get the redo command right. */
7049 	invoke_edit(cap, TRUE, 'r', FALSE);
7050     }
7051     else
7052     {
7053 	prep_redo(cap->oap->regname, cap->count1,
7054 				       NUL, 'r', NUL, had_ctrl_v, cap->nchar);
7055 
7056 	curbuf->b_op_start = curwin->w_cursor;
7057 #ifdef FEAT_MBYTE
7058 	if (has_mbyte)
7059 	{
7060 	    int		old_State = State;
7061 
7062 	    if (cap->ncharC1 != 0)
7063 		AppendCharToRedobuff(cap->ncharC1);
7064 	    if (cap->ncharC2 != 0)
7065 		AppendCharToRedobuff(cap->ncharC2);
7066 
7067 	    /* This is slow, but it handles replacing a single-byte with a
7068 	     * multi-byte and the other way around.  Also handles adding
7069 	     * composing characters for utf-8. */
7070 	    for (n = cap->count1; n > 0; --n)
7071 	    {
7072 		State = REPLACE;
7073 		ins_char(cap->nchar);
7074 		State = old_State;
7075 		if (cap->ncharC1 != 0)
7076 		    ins_char(cap->ncharC1);
7077 		if (cap->ncharC2 != 0)
7078 		    ins_char(cap->ncharC2);
7079 	    }
7080 	}
7081 	else
7082 #endif
7083 	{
7084 	    /*
7085 	     * Replace the characters within one line.
7086 	     */
7087 	    for (n = cap->count1; n > 0; --n)
7088 	    {
7089 		/*
7090 		 * Get ptr again, because u_save and/or showmatch() will have
7091 		 * released the line.  At the same time we let know that the
7092 		 * line will be changed.
7093 		 */
7094 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
7095 		ptr[curwin->w_cursor.col] = cap->nchar;
7096 		if (p_sm && msg_silent == 0)
7097 		    showmatch(cap->nchar);
7098 		++curwin->w_cursor.col;
7099 	    }
7100 #ifdef FEAT_NETBEANS_INTG
7101 	    if (netbeans_active())
7102 	    {
7103 		colnr_T  start = (colnr_T)(curwin->w_cursor.col - cap->count1);
7104 
7105 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
7106 							   (long)cap->count1);
7107 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
7108 					       &ptr[start], (int)cap->count1);
7109 	    }
7110 #endif
7111 
7112 	    /* mark the buffer as changed and prepare for displaying */
7113 	    changed_bytes(curwin->w_cursor.lnum,
7114 			       (colnr_T)(curwin->w_cursor.col - cap->count1));
7115 	}
7116 	--curwin->w_cursor.col;	    /* cursor on the last replaced char */
7117 #ifdef FEAT_MBYTE
7118 	/* if the character on the left of the current cursor is a multi-byte
7119 	 * character, move two characters left */
7120 	if (has_mbyte)
7121 	    mb_adjust_cursor();
7122 #endif
7123 	curbuf->b_op_end = curwin->w_cursor;
7124 	curwin->w_set_curswant = TRUE;
7125 	set_last_insert(cap->nchar);
7126     }
7127 }
7128 
7129 #ifdef FEAT_VISUAL
7130 /*
7131  * 'o': Exchange start and end of Visual area.
7132  * 'O': same, but in block mode exchange left and right corners.
7133  */
7134     static void
7135 v_swap_corners(cmdchar)
7136     int		cmdchar;
7137 {
7138     pos_T	old_cursor;
7139     colnr_T	left, right;
7140 
7141     if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
7142     {
7143 	old_cursor = curwin->w_cursor;
7144 	getvcols(curwin, &old_cursor, &VIsual, &left, &right);
7145 	curwin->w_cursor.lnum = VIsual.lnum;
7146 	coladvance(left);
7147 	VIsual = curwin->w_cursor;
7148 
7149 	curwin->w_cursor.lnum = old_cursor.lnum;
7150 	curwin->w_curswant = right;
7151 	/* 'selection "exclusive" and cursor at right-bottom corner: move it
7152 	 * right one column */
7153 	if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
7154 	    ++curwin->w_curswant;
7155 	coladvance(curwin->w_curswant);
7156 	if (curwin->w_cursor.col == old_cursor.col
7157 #ifdef FEAT_VIRTUALEDIT
7158 		&& (!virtual_active()
7159 		    || curwin->w_cursor.coladd == old_cursor.coladd)
7160 #endif
7161 		)
7162 	{
7163 	    curwin->w_cursor.lnum = VIsual.lnum;
7164 	    if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
7165 		++right;
7166 	    coladvance(right);
7167 	    VIsual = curwin->w_cursor;
7168 
7169 	    curwin->w_cursor.lnum = old_cursor.lnum;
7170 	    coladvance(left);
7171 	    curwin->w_curswant = left;
7172 	}
7173     }
7174     else
7175     {
7176 	old_cursor = curwin->w_cursor;
7177 	curwin->w_cursor = VIsual;
7178 	VIsual = old_cursor;
7179 	curwin->w_set_curswant = TRUE;
7180     }
7181 }
7182 #endif /* FEAT_VISUAL */
7183 
7184 /*
7185  * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
7186  */
7187     static void
7188 nv_Replace(cap)
7189     cmdarg_T	    *cap;
7190 {
7191 #ifdef FEAT_VISUAL
7192     if (VIsual_active)		/* "R" is replace lines */
7193     {
7194 	cap->cmdchar = 'c';
7195 	cap->nchar = NUL;
7196 	VIsual_mode = 'V';
7197 	nv_operator(cap);
7198     }
7199     else
7200 #endif
7201 	if (!checkclearopq(cap->oap))
7202     {
7203 	if (!curbuf->b_p_ma)
7204 	    EMSG(_(e_modifiable));
7205 	else
7206 	{
7207 #ifdef FEAT_VIRTUALEDIT
7208 	    if (virtual_active())
7209 		coladvance(getviscol());
7210 #endif
7211 	    invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
7212 	}
7213     }
7214 }
7215 
7216 #ifdef FEAT_VREPLACE
7217 /*
7218  * "gr".
7219  */
7220     static void
7221 nv_vreplace(cap)
7222     cmdarg_T	*cap;
7223 {
7224 # ifdef FEAT_VISUAL
7225     if (VIsual_active)
7226     {
7227 	cap->cmdchar = 'r';
7228 	cap->nchar = cap->extra_char;
7229 	nv_replace(cap);	/* Do same as "r" in Visual mode for now */
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 	    if (cap->extra_char == Ctrl_V)	/* get another character */
7240 		cap->extra_char = get_literal();
7241 	    stuffcharReadbuff(cap->extra_char);
7242 	    stuffcharReadbuff(ESC);
7243 # ifdef FEAT_VIRTUALEDIT
7244 	    if (virtual_active())
7245 		coladvance(getviscol());
7246 # endif
7247 	    invoke_edit(cap, TRUE, 'v', FALSE);
7248 	}
7249     }
7250 }
7251 #endif
7252 
7253 /*
7254  * Swap case for "~" command, when it does not work like an operator.
7255  */
7256     static void
7257 n_swapchar(cap)
7258     cmdarg_T	*cap;
7259 {
7260     long	n;
7261     pos_T	startpos;
7262     int		did_change = 0;
7263 #ifdef FEAT_NETBEANS_INTG
7264     pos_T	pos;
7265     char_u	*ptr;
7266     int		count;
7267 #endif
7268 
7269     if (checkclearopq(cap->oap))
7270 	return;
7271 
7272     if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
7273     {
7274 	clearopbeep(cap->oap);
7275 	return;
7276     }
7277 
7278     prep_redo_cmd(cap);
7279 
7280     if (u_save_cursor() == FAIL)
7281 	return;
7282 
7283     startpos = curwin->w_cursor;
7284 #ifdef FEAT_NETBEANS_INTG
7285     pos = startpos;
7286 #endif
7287     for (n = cap->count1; n > 0; --n)
7288     {
7289 	did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
7290 	inc_cursor();
7291 	if (gchar_cursor() == NUL)
7292 	{
7293 	    if (vim_strchr(p_ww, '~') != NULL
7294 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
7295 	    {
7296 #ifdef FEAT_NETBEANS_INTG
7297 		if (netbeans_active())
7298 		{
7299 		    if (did_change)
7300 		    {
7301 			ptr = ml_get(pos.lnum);
7302 			count = (int)STRLEN(ptr) - pos.col;
7303 			netbeans_removed(curbuf, pos.lnum, pos.col,
7304 								 (long)count);
7305 			netbeans_inserted(curbuf, pos.lnum, pos.col,
7306 							&ptr[pos.col], count);
7307 		    }
7308 		    pos.col = 0;
7309 		    pos.lnum++;
7310 		}
7311 #endif
7312 		++curwin->w_cursor.lnum;
7313 		curwin->w_cursor.col = 0;
7314 		if (n > 1)
7315 		{
7316 		    if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7317 			break;
7318 		    u_clearline();
7319 		}
7320 	    }
7321 	    else
7322 		break;
7323 	}
7324     }
7325 #ifdef FEAT_NETBEANS_INTG
7326     if (did_change && netbeans_active())
7327     {
7328 	ptr = ml_get(pos.lnum);
7329 	count = curwin->w_cursor.col - pos.col;
7330 	netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7331 	netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7332     }
7333 #endif
7334 
7335 
7336     check_cursor();
7337     curwin->w_set_curswant = TRUE;
7338     if (did_change)
7339     {
7340 	changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7341 									  0L);
7342 	curbuf->b_op_start = startpos;
7343 	curbuf->b_op_end = curwin->w_cursor;
7344 	if (curbuf->b_op_end.col > 0)
7345 	    --curbuf->b_op_end.col;
7346     }
7347 }
7348 
7349 /*
7350  * Move cursor to mark.
7351  */
7352     static void
7353 nv_cursormark(cap, flag, pos)
7354     cmdarg_T	*cap;
7355     int		flag;
7356     pos_T	*pos;
7357 {
7358     if (check_mark(pos) == FAIL)
7359 	clearop(cap->oap);
7360     else
7361     {
7362 	if (cap->cmdchar == '\''
7363 		|| cap->cmdchar == '`'
7364 		|| cap->cmdchar == '['
7365 		|| cap->cmdchar == ']')
7366 	    setpcmark();
7367 	curwin->w_cursor = *pos;
7368 	if (flag)
7369 	    beginline(BL_WHITE | BL_FIX);
7370 	else
7371 	    check_cursor();
7372     }
7373     cap->oap->motion_type = flag ? MLINE : MCHAR;
7374     if (cap->cmdchar == '`')
7375 	cap->oap->use_reg_one = TRUE;
7376     cap->oap->inclusive = FALSE;		/* ignored if not MCHAR */
7377     curwin->w_set_curswant = TRUE;
7378 }
7379 
7380 #ifdef FEAT_VISUAL
7381 /*
7382  * Handle commands that are operators in Visual mode.
7383  */
7384     static void
7385 v_visop(cap)
7386     cmdarg_T	*cap;
7387 {
7388     static char_u trans[] = "YyDdCcxdXdAAIIrr";
7389 
7390     /* Uppercase means linewise, except in block mode, then "D" deletes till
7391      * the end of the line, and "C" replaces til EOL */
7392     if (isupper(cap->cmdchar))
7393     {
7394 	if (VIsual_mode != Ctrl_V)
7395 	    VIsual_mode = 'V';
7396 	else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7397 	    curwin->w_curswant = MAXCOL;
7398     }
7399     cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7400     nv_operator(cap);
7401 }
7402 #endif
7403 
7404 /*
7405  * "s" and "S" commands.
7406  */
7407     static void
7408 nv_subst(cap)
7409     cmdarg_T	*cap;
7410 {
7411 #ifdef FEAT_VISUAL
7412     if (VIsual_active)	/* "vs" and "vS" are the same as "vc" */
7413     {
7414 	if (cap->cmdchar == 'S')
7415 	    VIsual_mode = 'V';
7416 	cap->cmdchar = 'c';
7417 	nv_operator(cap);
7418     }
7419     else
7420 #endif
7421 	nv_optrans(cap);
7422 }
7423 
7424 /*
7425  * Abbreviated commands.
7426  */
7427     static void
7428 nv_abbrev(cap)
7429     cmdarg_T	*cap;
7430 {
7431     if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7432 	cap->cmdchar = 'x';		/* DEL key behaves like 'x' */
7433 
7434 #ifdef FEAT_VISUAL
7435     /* in Visual mode these commands are operators */
7436     if (VIsual_active)
7437 	v_visop(cap);
7438     else
7439 #endif
7440 	nv_optrans(cap);
7441 }
7442 
7443 /*
7444  * Translate a command into another command.
7445  */
7446     static void
7447 nv_optrans(cap)
7448     cmdarg_T	*cap;
7449 {
7450     static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7451 			      (char_u *)"d$", (char_u *)"c$",
7452 			      (char_u *)"cl", (char_u *)"cc",
7453 			      (char_u *)"yy", (char_u *)":s\r"};
7454     static char_u *str = (char_u *)"xXDCsSY&";
7455 
7456     if (!checkclearopq(cap->oap))
7457     {
7458 	/* In Vi "2D" doesn't delete the next line.  Can't translate it
7459 	 * either, because "2." should also not use the count. */
7460 	if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7461 	{
7462 	    cap->oap->start = curwin->w_cursor;
7463 	    cap->oap->op_type = OP_DELETE;
7464 #ifdef FEAT_EVAL
7465 	    set_op_var(OP_DELETE);
7466 #endif
7467 	    cap->count1 = 1;
7468 	    nv_dollar(cap);
7469 	    finish_op = TRUE;
7470 	    ResetRedobuff();
7471 	    AppendCharToRedobuff('D');
7472 	}
7473 	else
7474 	{
7475 	    if (cap->count0)
7476 		stuffnumReadbuff(cap->count0);
7477 	    stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7478 	}
7479     }
7480     cap->opcount = 0;
7481 }
7482 
7483 /*
7484  * "'" and "`" commands.  Also for "g'" and "g`".
7485  * cap->arg is TRUE for "'" and "g'".
7486  */
7487     static void
7488 nv_gomark(cap)
7489     cmdarg_T	*cap;
7490 {
7491     pos_T	*pos;
7492     int		c;
7493 #ifdef FEAT_FOLDING
7494     linenr_T	lnum = curwin->w_cursor.lnum;
7495     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7496 #endif
7497 
7498     if (cap->cmdchar == 'g')
7499 	c = cap->extra_char;
7500     else
7501 	c = cap->nchar;
7502     pos = getmark(c, (cap->oap->op_type == OP_NOP));
7503     if (pos == (pos_T *)-1)	    /* jumped to other file */
7504     {
7505 	if (cap->arg)
7506 	{
7507 	    check_cursor_lnum();
7508 	    beginline(BL_WHITE | BL_FIX);
7509 	}
7510 	else
7511 	    check_cursor();
7512     }
7513     else
7514 	nv_cursormark(cap, cap->arg, pos);
7515 
7516 #ifdef FEAT_VIRTUALEDIT
7517     /* May need to clear the coladd that a mark includes. */
7518     if (!virtual_active())
7519 	curwin->w_cursor.coladd = 0;
7520 #endif
7521 #ifdef FEAT_FOLDING
7522     if (cap->oap->op_type == OP_NOP
7523 	    && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7524 	    && (fdo_flags & FDO_MARK)
7525 	    && old_KeyTyped)
7526 	foldOpenCursor();
7527 #endif
7528 }
7529 
7530 /*
7531  * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7532  */
7533     static void
7534 nv_pcmark(cap)
7535     cmdarg_T	*cap;
7536 {
7537 #ifdef FEAT_JUMPLIST
7538     pos_T	*pos;
7539 # ifdef FEAT_FOLDING
7540     linenr_T	lnum = curwin->w_cursor.lnum;
7541     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7542 # endif
7543 
7544     if (!checkclearopq(cap->oap))
7545     {
7546 	if (cap->cmdchar == 'g')
7547 	    pos = movechangelist((int)cap->count1);
7548 	else
7549 	    pos = movemark((int)cap->count1);
7550 	if (pos == (pos_T *)-1)		/* jump to other file */
7551 	{
7552 	    curwin->w_set_curswant = TRUE;
7553 	    check_cursor();
7554 	}
7555 	else if (pos != NULL)		    /* can jump */
7556 	    nv_cursormark(cap, FALSE, pos);
7557 	else if (cap->cmdchar == 'g')
7558 	{
7559 	    if (curbuf->b_changelistlen == 0)
7560 		EMSG(_("E664: changelist is empty"));
7561 	    else if (cap->count1 < 0)
7562 		EMSG(_("E662: At start of changelist"));
7563 	    else
7564 		EMSG(_("E663: At end of changelist"));
7565 	}
7566 	else
7567 	    clearopbeep(cap->oap);
7568 # ifdef FEAT_FOLDING
7569 	if (cap->oap->op_type == OP_NOP
7570 		&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7571 		&& (fdo_flags & FDO_MARK)
7572 		&& old_KeyTyped)
7573 	    foldOpenCursor();
7574 # endif
7575     }
7576 #else
7577     clearopbeep(cap->oap);
7578 #endif
7579 }
7580 
7581 /*
7582  * Handle '"' command.
7583  */
7584     static void
7585 nv_regname(cap)
7586     cmdarg_T	*cap;
7587 {
7588     if (checkclearop(cap->oap))
7589 	return;
7590 #ifdef FEAT_EVAL
7591     if (cap->nchar == '=')
7592 	cap->nchar = get_expr_register();
7593 #endif
7594     if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7595     {
7596 	cap->oap->regname = cap->nchar;
7597 	cap->opcount = cap->count0;	/* remember count before '"' */
7598 #ifdef FEAT_EVAL
7599 	set_reg_var(cap->oap->regname);
7600 #endif
7601     }
7602     else
7603 	clearopbeep(cap->oap);
7604 }
7605 
7606 #ifdef FEAT_VISUAL
7607 /*
7608  * Handle "v", "V" and "CTRL-V" commands.
7609  * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7610  * is TRUE.
7611  * Handle CTRL-Q just like CTRL-V.
7612  */
7613     static void
7614 nv_visual(cap)
7615     cmdarg_T	*cap;
7616 {
7617     if (cap->cmdchar == Ctrl_Q)
7618 	cap->cmdchar = Ctrl_V;
7619 
7620     /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7621      * characterwise, linewise, or blockwise. */
7622     if (cap->oap->op_type != OP_NOP)
7623     {
7624 	cap->oap->motion_force = cap->cmdchar;
7625 	finish_op = FALSE;	/* operator doesn't finish now but later */
7626 	return;
7627     }
7628 
7629     VIsual_select = cap->arg;
7630     if (VIsual_active)	    /* change Visual mode */
7631     {
7632 	if (VIsual_mode == cap->cmdchar)    /* stop visual mode */
7633 	    end_visual_mode();
7634 	else				    /* toggle char/block mode */
7635 	{				    /*	   or char/line mode */
7636 	    VIsual_mode = cap->cmdchar;
7637 	    showmode();
7638 	}
7639 	redraw_curbuf_later(INVERTED);	    /* update the inversion */
7640     }
7641     else		    /* start Visual mode */
7642     {
7643 	check_visual_highlight();
7644 	if (cap->count0)		    /* use previously selected part */
7645 	{
7646 	    if (resel_VIsual_mode == NUL)   /* there is none */
7647 	    {
7648 		beep_flush();
7649 		return;
7650 	    }
7651 	    VIsual = curwin->w_cursor;
7652 
7653 	    VIsual_active = TRUE;
7654 	    VIsual_reselect = TRUE;
7655 	    if (!cap->arg)
7656 		/* start Select mode when 'selectmode' contains "cmd" */
7657 		may_start_select('c');
7658 #ifdef FEAT_MOUSE
7659 	    setmouse();
7660 #endif
7661 	    if (p_smd && msg_silent == 0)
7662 		redraw_cmdline = TRUE;	    /* show visual mode later */
7663 	    /*
7664 	     * For V and ^V, we multiply the number of lines even if there
7665 	     * was only one -- webb
7666 	     */
7667 	    if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7668 	    {
7669 		curwin->w_cursor.lnum +=
7670 				    resel_VIsual_line_count * cap->count0 - 1;
7671 		if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7672 		    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7673 	    }
7674 	    VIsual_mode = resel_VIsual_mode;
7675 	    if (VIsual_mode == 'v')
7676 	    {
7677 		if (resel_VIsual_line_count <= 1)
7678 		{
7679 		    validate_virtcol();
7680 		    curwin->w_curswant = curwin->w_virtcol
7681 					+ resel_VIsual_vcol * cap->count0 - 1;
7682 		}
7683 		else
7684 		    curwin->w_curswant = resel_VIsual_vcol;
7685 		coladvance(curwin->w_curswant);
7686 	    }
7687 	    if (resel_VIsual_vcol == MAXCOL)
7688 	    {
7689 		curwin->w_curswant = MAXCOL;
7690 		coladvance((colnr_T)MAXCOL);
7691 	    }
7692 	    else if (VIsual_mode == Ctrl_V)
7693 	    {
7694 		validate_virtcol();
7695 		curwin->w_curswant = curwin->w_virtcol
7696 					+ resel_VIsual_vcol * cap->count0 - 1;
7697 		coladvance(curwin->w_curswant);
7698 	    }
7699 	    else
7700 		curwin->w_set_curswant = TRUE;
7701 	    redraw_curbuf_later(INVERTED);	/* show the inversion */
7702 	}
7703 	else
7704 	{
7705 	    if (!cap->arg)
7706 		/* start Select mode when 'selectmode' contains "cmd" */
7707 		may_start_select('c');
7708 	    n_start_visual_mode(cap->cmdchar);
7709 	}
7710     }
7711 }
7712 
7713 /*
7714  * Start selection for Shift-movement keys.
7715  */
7716     void
7717 start_selection()
7718 {
7719     /* if 'selectmode' contains "key", start Select mode */
7720     may_start_select('k');
7721     n_start_visual_mode('v');
7722 }
7723 
7724 /*
7725  * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7726  */
7727     void
7728 may_start_select(c)
7729     int		c;
7730 {
7731     VIsual_select = (stuff_empty() && typebuf_typed()
7732 		    && (vim_strchr(p_slm, c) != NULL));
7733 }
7734 
7735 /*
7736  * Start Visual mode "c".
7737  * Should set VIsual_select before calling this.
7738  */
7739     static void
7740 n_start_visual_mode(c)
7741     int		c;
7742 {
7743 #ifdef FEAT_CONCEAL
7744     /* Check for redraw before changing the state. */
7745     conceal_check_cursur_line();
7746 #endif
7747 
7748     VIsual_mode = c;
7749     VIsual_active = TRUE;
7750     VIsual_reselect = TRUE;
7751 #ifdef FEAT_VIRTUALEDIT
7752     /* Corner case: the 0 position in a tab may change when going into
7753      * virtualedit.  Recalculate curwin->w_cursor to avoid bad hilighting.
7754      */
7755     if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7756 	coladvance(curwin->w_virtcol);
7757 #endif
7758     VIsual = curwin->w_cursor;
7759 
7760 #ifdef FEAT_FOLDING
7761     foldAdjustVisual();
7762 #endif
7763 
7764 #ifdef FEAT_MOUSE
7765     setmouse();
7766 #endif
7767 #ifdef FEAT_CONCEAL
7768     /* Check for redraw after changing the state. */
7769     conceal_check_cursur_line();
7770 #endif
7771 
7772     if (p_smd && msg_silent == 0)
7773 	redraw_cmdline = TRUE;	/* show visual mode later */
7774 #ifdef FEAT_CLIPBOARD
7775     /* Make sure the clipboard gets updated.  Needed because start and
7776      * end may still be the same, and the selection needs to be owned */
7777     clip_star.vmode = NUL;
7778 #endif
7779 
7780     /* Only need to redraw this line, unless still need to redraw an old
7781      * Visual area (when 'lazyredraw' is set). */
7782     if (curwin->w_redr_type < INVERTED)
7783     {
7784 	curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7785 	curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7786     }
7787 }
7788 
7789 #endif /* FEAT_VISUAL */
7790 
7791 /*
7792  * CTRL-W: Window commands
7793  */
7794     static void
7795 nv_window(cap)
7796     cmdarg_T	*cap;
7797 {
7798 #ifdef FEAT_WINDOWS
7799     if (!checkclearop(cap->oap))
7800 	do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7801 #else
7802     (void)checkclearop(cap->oap);
7803 #endif
7804 }
7805 
7806 /*
7807  * CTRL-Z: Suspend
7808  */
7809     static void
7810 nv_suspend(cap)
7811     cmdarg_T	*cap;
7812 {
7813     clearop(cap->oap);
7814 #ifdef FEAT_VISUAL
7815     if (VIsual_active)
7816 	end_visual_mode();		/* stop Visual mode */
7817 #endif
7818     do_cmdline_cmd((char_u *)"st");
7819 }
7820 
7821 /*
7822  * Commands starting with "g".
7823  */
7824     static void
7825 nv_g_cmd(cap)
7826     cmdarg_T	*cap;
7827 {
7828     oparg_T	*oap = cap->oap;
7829 #ifdef FEAT_VISUAL
7830     pos_T	tpos;
7831 #endif
7832     int		i;
7833     int		flag = FALSE;
7834 
7835     switch (cap->nchar)
7836     {
7837 #ifdef MEM_PROFILE
7838     /*
7839      * "g^A": dump log of used memory.
7840      */
7841     case Ctrl_A:
7842 	vim_mem_profile_dump();
7843 	break;
7844 #endif
7845 
7846 #ifdef FEAT_VREPLACE
7847     /*
7848      * "gR": Enter virtual replace mode.
7849      */
7850     case 'R':
7851 	cap->arg = TRUE;
7852 	nv_Replace(cap);
7853 	break;
7854 
7855     case 'r':
7856 	nv_vreplace(cap);
7857 	break;
7858 #endif
7859 
7860     case '&':
7861 	do_cmdline_cmd((char_u *)"%s//~/&");
7862 	break;
7863 
7864 #ifdef FEAT_VISUAL
7865     /*
7866      * "gv": Reselect the previous Visual area.  If Visual already active,
7867      *	     exchange previous and current Visual area.
7868      */
7869     case 'v':
7870 	if (checkclearop(oap))
7871 	    break;
7872 
7873 	if (	   curbuf->b_visual.vi_start.lnum == 0
7874 		|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7875 		|| curbuf->b_visual.vi_end.lnum == 0)
7876 	    beep_flush();
7877 	else
7878 	{
7879 	    /* set w_cursor to the start of the Visual area, tpos to the end */
7880 	    if (VIsual_active)
7881 	    {
7882 		i = VIsual_mode;
7883 		VIsual_mode = curbuf->b_visual.vi_mode;
7884 		curbuf->b_visual.vi_mode = i;
7885 # ifdef FEAT_EVAL
7886 		curbuf->b_visual_mode_eval = i;
7887 # endif
7888 		i = curwin->w_curswant;
7889 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7890 		curbuf->b_visual.vi_curswant = i;
7891 
7892 		tpos = curbuf->b_visual.vi_end;
7893 		curbuf->b_visual.vi_end = curwin->w_cursor;
7894 		curwin->w_cursor = curbuf->b_visual.vi_start;
7895 		curbuf->b_visual.vi_start = VIsual;
7896 	    }
7897 	    else
7898 	    {
7899 		VIsual_mode = curbuf->b_visual.vi_mode;
7900 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7901 		tpos = curbuf->b_visual.vi_end;
7902 		curwin->w_cursor = curbuf->b_visual.vi_start;
7903 	    }
7904 
7905 	    VIsual_active = TRUE;
7906 	    VIsual_reselect = TRUE;
7907 
7908 	    /* Set Visual to the start and w_cursor to the end of the Visual
7909 	     * area.  Make sure they are on an existing character. */
7910 	    check_cursor();
7911 	    VIsual = curwin->w_cursor;
7912 	    curwin->w_cursor = tpos;
7913 	    check_cursor();
7914 	    update_topline();
7915 	    /*
7916 	     * When called from normal "g" command: start Select mode when
7917 	     * 'selectmode' contains "cmd".  When called for K_SELECT, always
7918 	     * start Select mode.
7919 	     */
7920 	    if (cap->arg)
7921 		VIsual_select = TRUE;
7922 	    else
7923 		may_start_select('c');
7924 #ifdef FEAT_MOUSE
7925 	    setmouse();
7926 #endif
7927 #ifdef FEAT_CLIPBOARD
7928 	    /* Make sure the clipboard gets updated.  Needed because start and
7929 	     * end are still the same, and the selection needs to be owned */
7930 	    clip_star.vmode = NUL;
7931 #endif
7932 	    redraw_curbuf_later(INVERTED);
7933 	    showmode();
7934 	}
7935 	break;
7936     /*
7937      * "gV": Don't reselect the previous Visual area after a Select mode
7938      *	     mapping of menu.
7939      */
7940     case 'V':
7941 	VIsual_reselect = FALSE;
7942 	break;
7943 
7944     /*
7945      * "gh":  start Select mode.
7946      * "gH":  start Select line mode.
7947      * "g^H": start Select block mode.
7948      */
7949     case K_BS:
7950 	cap->nchar = Ctrl_H;
7951 	/* FALLTHROUGH */
7952     case 'h':
7953     case 'H':
7954     case Ctrl_H:
7955 # ifdef EBCDIC
7956 	/* EBCDIC: 'v'-'h' != '^v'-'^h' */
7957 	if (cap->nchar == Ctrl_H)
7958 	    cap->cmdchar = Ctrl_V;
7959 	else
7960 # endif
7961 	cap->cmdchar = cap->nchar + ('v' - 'h');
7962 	cap->arg = TRUE;
7963 	nv_visual(cap);
7964 	break;
7965 #endif /* FEAT_VISUAL */
7966 
7967     /*
7968      * "gj" and "gk" two new funny movement keys -- up and down
7969      * movement based on *screen* line rather than *file* line.
7970      */
7971     case 'j':
7972     case K_DOWN:
7973 	/* with 'nowrap' it works just like the normal "j" command; also when
7974 	 * in a closed fold */
7975 	if (!curwin->w_p_wrap
7976 #ifdef FEAT_FOLDING
7977 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7978 #endif
7979 		)
7980 	{
7981 	    oap->motion_type = MLINE;
7982 	    i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7983 	}
7984 	else
7985 	    i = nv_screengo(oap, FORWARD, cap->count1);
7986 	if (i == FAIL)
7987 	    clearopbeep(oap);
7988 	break;
7989 
7990     case 'k':
7991     case K_UP:
7992 	/* with 'nowrap' it works just like the normal "k" command; also when
7993 	 * in a closed fold */
7994 	if (!curwin->w_p_wrap
7995 #ifdef FEAT_FOLDING
7996 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7997 #endif
7998 	   )
7999 	{
8000 	    oap->motion_type = MLINE;
8001 	    i = cursor_up(cap->count1, oap->op_type == OP_NOP);
8002 	}
8003 	else
8004 	    i = nv_screengo(oap, BACKWARD, cap->count1);
8005 	if (i == FAIL)
8006 	    clearopbeep(oap);
8007 	break;
8008 
8009     /*
8010      * "gJ": join two lines without inserting a space.
8011      */
8012     case 'J':
8013 	nv_join(cap);
8014 	break;
8015 
8016     /*
8017      * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
8018      * "gm": middle of "g0" and "g$".
8019      */
8020     case '^':
8021 	flag = TRUE;
8022 	/* FALLTHROUGH */
8023 
8024     case '0':
8025     case 'm':
8026     case K_HOME:
8027     case K_KHOME:
8028 	oap->motion_type = MCHAR;
8029 	oap->inclusive = FALSE;
8030 	if (curwin->w_p_wrap
8031 #ifdef FEAT_VERTSPLIT
8032 		&& curwin->w_width != 0
8033 #endif
8034 		)
8035 	{
8036 	    int		width1 = W_WIDTH(curwin) - curwin_col_off();
8037 	    int		width2 = width1 + curwin_col_off2();
8038 
8039 	    validate_virtcol();
8040 	    i = 0;
8041 	    if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
8042 		i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
8043 	}
8044 	else
8045 	    i = curwin->w_leftcol;
8046 	/* Go to the middle of the screen line.  When 'number' or
8047 	 * 'relativenumber' is on and lines are wrapping the middle can be more
8048 	 * to the left. */
8049 	if (cap->nchar == 'm')
8050 	    i += (W_WIDTH(curwin) - curwin_col_off()
8051 		    + ((curwin->w_p_wrap && i > 0)
8052 			? curwin_col_off2() : 0)) / 2;
8053 	coladvance((colnr_T)i);
8054 	if (flag)
8055 	{
8056 	    do
8057 		i = gchar_cursor();
8058 	    while (vim_iswhite(i) && oneright() == OK);
8059 	}
8060 	curwin->w_set_curswant = TRUE;
8061 	break;
8062 
8063     case '_':
8064 	/* "g_": to the last non-blank character in the line or <count> lines
8065 	 * downward. */
8066 	cap->oap->motion_type = MCHAR;
8067 	cap->oap->inclusive = TRUE;
8068 	curwin->w_curswant = MAXCOL;
8069 	if (cursor_down((long)(cap->count1 - 1),
8070 					 cap->oap->op_type == OP_NOP) == FAIL)
8071 	    clearopbeep(cap->oap);
8072 	else
8073 	{
8074 	    char_u  *ptr = ml_get_curline();
8075 
8076 	    /* In Visual mode we may end up after the line. */
8077 	    if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
8078 		--curwin->w_cursor.col;
8079 
8080 	    /* Decrease the cursor column until it's on a non-blank. */
8081 	    while (curwin->w_cursor.col > 0
8082 				    && vim_iswhite(ptr[curwin->w_cursor.col]))
8083 		--curwin->w_cursor.col;
8084 	    curwin->w_set_curswant = TRUE;
8085 #ifdef FEAT_VISUAL
8086 	    adjust_for_sel(cap);
8087 #endif
8088 	}
8089 	break;
8090 
8091     case '$':
8092     case K_END:
8093     case K_KEND:
8094 	{
8095 	    int col_off = curwin_col_off();
8096 
8097 	    oap->motion_type = MCHAR;
8098 	    oap->inclusive = TRUE;
8099 	    if (curwin->w_p_wrap
8100 #ifdef FEAT_VERTSPLIT
8101 		    && curwin->w_width != 0
8102 #endif
8103 	       )
8104 	    {
8105 		curwin->w_curswant = MAXCOL;    /* so we stay at the end */
8106 		if (cap->count1 == 1)
8107 		{
8108 		    int		width1 = W_WIDTH(curwin) - col_off;
8109 		    int		width2 = width1 + curwin_col_off2();
8110 
8111 		    validate_virtcol();
8112 		    i = width1 - 1;
8113 		    if (curwin->w_virtcol >= (colnr_T)width1)
8114 			i += ((curwin->w_virtcol - width1) / width2 + 1)
8115 								     * width2;
8116 		    coladvance((colnr_T)i);
8117 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
8118 		    if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
8119 		    {
8120 			/*
8121 			 * Check for landing on a character that got split at
8122 			 * the end of the line.  We do not want to advance to
8123 			 * the next screen line.
8124 			 */
8125 			validate_virtcol();
8126 			if (curwin->w_virtcol > (colnr_T)i)
8127 			    --curwin->w_cursor.col;
8128 		    }
8129 #endif
8130 		}
8131 		else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
8132 		    clearopbeep(oap);
8133 	    }
8134 	    else
8135 	    {
8136 		i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
8137 		coladvance((colnr_T)i);
8138 
8139 		/* Make sure we stick in this column. */
8140 		validate_virtcol();
8141 		curwin->w_curswant = curwin->w_virtcol;
8142 		curwin->w_set_curswant = FALSE;
8143 	    }
8144 	}
8145 	break;
8146 
8147     /*
8148      * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
8149      */
8150     case '*':
8151     case '#':
8152 #if POUND != '#'
8153     case POUND:		/* pound sign (sometimes equal to '#') */
8154 #endif
8155     case Ctrl_RSB:		/* :tag or :tselect for current identifier */
8156     case ']':			/* :tselect for current identifier */
8157 	nv_ident(cap);
8158 	break;
8159 
8160     /*
8161      * ge and gE: go back to end of word
8162      */
8163     case 'e':
8164     case 'E':
8165 	oap->motion_type = MCHAR;
8166 	curwin->w_set_curswant = TRUE;
8167 	oap->inclusive = TRUE;
8168 	if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
8169 	    clearopbeep(oap);
8170 	break;
8171 
8172     /*
8173      * "g CTRL-G": display info about cursor position
8174      */
8175     case Ctrl_G:
8176 	cursor_pos_info();
8177 	break;
8178 
8179     /*
8180      * "gi": start Insert at the last position.
8181      */
8182     case 'i':
8183 	if (curbuf->b_last_insert.lnum != 0)
8184 	{
8185 	    curwin->w_cursor = curbuf->b_last_insert;
8186 	    check_cursor_lnum();
8187 	    i = (int)STRLEN(ml_get_curline());
8188 	    if (curwin->w_cursor.col > (colnr_T)i)
8189 	    {
8190 #ifdef FEAT_VIRTUALEDIT
8191 		if (virtual_active())
8192 		    curwin->w_cursor.coladd += curwin->w_cursor.col - i;
8193 #endif
8194 		curwin->w_cursor.col = i;
8195 	    }
8196 	}
8197 	cap->cmdchar = 'i';
8198 	nv_edit(cap);
8199 	break;
8200 
8201     /*
8202      * "gI": Start insert in column 1.
8203      */
8204     case 'I':
8205 	beginline(0);
8206 	if (!checkclearopq(oap))
8207 	    invoke_edit(cap, FALSE, 'g', FALSE);
8208 	break;
8209 
8210 #ifdef FEAT_SEARCHPATH
8211     /*
8212      * "gf": goto file, edit file under cursor
8213      * "]f" and "[f": can also be used.
8214      */
8215     case 'f':
8216     case 'F':
8217 	nv_gotofile(cap);
8218 	break;
8219 #endif
8220 
8221 	/* "g'm" and "g`m": jump to mark without setting pcmark */
8222     case '\'':
8223 	cap->arg = TRUE;
8224 	/*FALLTHROUGH*/
8225     case '`':
8226 	nv_gomark(cap);
8227 	break;
8228 
8229     /*
8230      * "gs": Goto sleep.
8231      */
8232     case 's':
8233 	do_sleep(cap->count1 * 1000L);
8234 	break;
8235 
8236     /*
8237      * "ga": Display the ascii value of the character under the
8238      * cursor.	It is displayed in decimal, hex, and octal. -- webb
8239      */
8240     case 'a':
8241 	do_ascii(NULL);
8242 	break;
8243 
8244 #ifdef FEAT_MBYTE
8245     /*
8246      * "g8": Display the bytes used for the UTF-8 character under the
8247      * cursor.	It is displayed in hex.
8248      * "8g8" finds illegal byte sequence.
8249      */
8250     case '8':
8251 	if (cap->count0 == 8)
8252 	    utf_find_illegal();
8253 	else
8254 	    show_utf8();
8255 	break;
8256 #endif
8257 
8258     case '<':
8259 	show_sb_text();
8260 	break;
8261 
8262     /*
8263      * "gg": Goto the first line in file.  With a count it goes to
8264      * that line number like for "G". -- webb
8265      */
8266     case 'g':
8267 	cap->arg = FALSE;
8268 	nv_goto(cap);
8269 	break;
8270 
8271     /*
8272      *	 Two-character operators:
8273      *	 "gq"	    Format text
8274      *	 "gw"	    Format text and keep cursor position
8275      *	 "g~"	    Toggle the case of the text.
8276      *	 "gu"	    Change text to lower case.
8277      *	 "gU"	    Change text to upper case.
8278      *   "g?"	    rot13 encoding
8279      *   "g@"	    call 'operatorfunc'
8280      */
8281     case 'q':
8282     case 'w':
8283 	oap->cursor_start = curwin->w_cursor;
8284 	/*FALLTHROUGH*/
8285     case '~':
8286     case 'u':
8287     case 'U':
8288     case '?':
8289     case '@':
8290 	nv_operator(cap);
8291 	break;
8292 
8293     /*
8294      * "gd": Find first occurrence of pattern under the cursor in the
8295      *	 current function
8296      * "gD": idem, but in the current file.
8297      */
8298     case 'd':
8299     case 'D':
8300 	nv_gd(oap, cap->nchar, (int)cap->count0);
8301 	break;
8302 
8303 #ifdef FEAT_MOUSE
8304     /*
8305      * g<*Mouse> : <C-*mouse>
8306      */
8307     case K_MIDDLEMOUSE:
8308     case K_MIDDLEDRAG:
8309     case K_MIDDLERELEASE:
8310     case K_LEFTMOUSE:
8311     case K_LEFTDRAG:
8312     case K_LEFTRELEASE:
8313     case K_RIGHTMOUSE:
8314     case K_RIGHTDRAG:
8315     case K_RIGHTRELEASE:
8316     case K_X1MOUSE:
8317     case K_X1DRAG:
8318     case K_X1RELEASE:
8319     case K_X2MOUSE:
8320     case K_X2DRAG:
8321     case K_X2RELEASE:
8322 	mod_mask = MOD_MASK_CTRL;
8323 	(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8324 	break;
8325 #endif
8326 
8327     case K_IGNORE:
8328 	break;
8329 
8330     /*
8331      * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8332      */
8333     case 'p':
8334     case 'P':
8335 	nv_put(cap);
8336 	break;
8337 
8338 #ifdef FEAT_BYTEOFF
8339     /* "go": goto byte count from start of buffer */
8340     case 'o':
8341 	goto_byte(cap->count0);
8342 	break;
8343 #endif
8344 
8345     /* "gQ": improved Ex mode */
8346     case 'Q':
8347 	if (text_locked())
8348 	{
8349 	    clearopbeep(cap->oap);
8350 	    text_locked_msg();
8351 	    break;
8352 	}
8353 
8354 	if (!checkclearopq(oap))
8355 	    do_exmode(TRUE);
8356 	break;
8357 
8358 #ifdef FEAT_JUMPLIST
8359     case ',':
8360 	nv_pcmark(cap);
8361 	break;
8362 
8363     case ';':
8364 	cap->count1 = -cap->count1;
8365 	nv_pcmark(cap);
8366 	break;
8367 #endif
8368 
8369 #ifdef FEAT_WINDOWS
8370     case 't':
8371 	goto_tabpage((int)cap->count0);
8372 	break;
8373     case 'T':
8374 	goto_tabpage(-(int)cap->count1);
8375 	break;
8376 #endif
8377 
8378     case '+':
8379     case '-': /* "g+" and "g-": undo or redo along the timeline */
8380 	if (!checkclearopq(oap))
8381 	    undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8382 							 FALSE, FALSE, FALSE);
8383 	break;
8384 
8385     default:
8386 	clearopbeep(oap);
8387 	break;
8388     }
8389 }
8390 
8391 /*
8392  * Handle "o" and "O" commands.
8393  */
8394     static void
8395 n_opencmd(cap)
8396     cmdarg_T	*cap;
8397 {
8398 #ifdef FEAT_CONCEAL
8399     linenr_T	oldline = curwin->w_cursor.lnum;
8400 #endif
8401 
8402     if (!checkclearopq(cap->oap))
8403     {
8404 #ifdef FEAT_FOLDING
8405 	if (cap->cmdchar == 'O')
8406 	    /* Open above the first line of a folded sequence of lines */
8407 	    (void)hasFolding(curwin->w_cursor.lnum,
8408 						&curwin->w_cursor.lnum, NULL);
8409 	else
8410 	    /* Open below the last line of a folded sequence of lines */
8411 	    (void)hasFolding(curwin->w_cursor.lnum,
8412 						NULL, &curwin->w_cursor.lnum);
8413 #endif
8414 	if (u_save((linenr_T)(curwin->w_cursor.lnum -
8415 					       (cap->cmdchar == 'O' ? 1 : 0)),
8416 		   (linenr_T)(curwin->w_cursor.lnum +
8417 					       (cap->cmdchar == 'o' ? 1 : 0))
8418 		       ) == OK
8419 		&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8420 #ifdef FEAT_COMMENTS
8421 		    has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8422 #endif
8423 		    0, 0))
8424 	{
8425 #ifdef FEAT_CONCEAL
8426 	    if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
8427 		update_single_line(curwin, oldline);
8428 #endif
8429 	    /* When '#' is in 'cpoptions' ignore the count. */
8430 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8431 		cap->count1 = 1;
8432 	    invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8433 	}
8434     }
8435 }
8436 
8437 /*
8438  * "." command: redo last change.
8439  */
8440     static void
8441 nv_dot(cap)
8442     cmdarg_T	*cap;
8443 {
8444     if (!checkclearopq(cap->oap))
8445     {
8446 	/*
8447 	 * If "restart_edit" is TRUE, the last but one command is repeated
8448 	 * instead of the last command (inserting text). This is used for
8449 	 * CTRL-O <.> in insert mode.
8450 	 */
8451 	if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8452 	    clearopbeep(cap->oap);
8453     }
8454 }
8455 
8456 /*
8457  * CTRL-R: undo undo
8458  */
8459     static void
8460 nv_redo(cap)
8461     cmdarg_T	*cap;
8462 {
8463     if (!checkclearopq(cap->oap))
8464     {
8465 	u_redo((int)cap->count1);
8466 	curwin->w_set_curswant = TRUE;
8467     }
8468 }
8469 
8470 /*
8471  * Handle "U" command.
8472  */
8473     static void
8474 nv_Undo(cap)
8475     cmdarg_T	*cap;
8476 {
8477     /* In Visual mode and typing "gUU" triggers an operator */
8478     if (cap->oap->op_type == OP_UPPER
8479 #ifdef FEAT_VISUAL
8480 	    || VIsual_active
8481 #endif
8482 	    )
8483     {
8484 	/* translate "gUU" to "gUgU" */
8485 	cap->cmdchar = 'g';
8486 	cap->nchar = 'U';
8487 	nv_operator(cap);
8488     }
8489     else if (!checkclearopq(cap->oap))
8490     {
8491 	u_undoline();
8492 	curwin->w_set_curswant = TRUE;
8493     }
8494 }
8495 
8496 /*
8497  * '~' command: If tilde is not an operator and Visual is off: swap case of a
8498  * single character.
8499  */
8500     static void
8501 nv_tilde(cap)
8502     cmdarg_T	*cap;
8503 {
8504     if (!p_to
8505 #ifdef FEAT_VISUAL
8506 	    && !VIsual_active
8507 #endif
8508 	    && cap->oap->op_type != OP_TILDE)
8509 	n_swapchar(cap);
8510     else
8511 	nv_operator(cap);
8512 }
8513 
8514 /*
8515  * Handle an operator command.
8516  * The actual work is done by do_pending_operator().
8517  */
8518     static void
8519 nv_operator(cap)
8520     cmdarg_T	*cap;
8521 {
8522     int	    op_type;
8523 
8524     op_type = get_op_type(cap->cmdchar, cap->nchar);
8525 
8526     if (op_type == cap->oap->op_type)	    /* double operator works on lines */
8527 	nv_lineop(cap);
8528     else if (!checkclearop(cap->oap))
8529     {
8530 	cap->oap->start = curwin->w_cursor;
8531 	cap->oap->op_type = op_type;
8532 #ifdef FEAT_EVAL
8533 	set_op_var(op_type);
8534 #endif
8535     }
8536 }
8537 
8538 #ifdef FEAT_EVAL
8539 /*
8540  * Set v:operator to the characters for "optype".
8541  */
8542     static void
8543 set_op_var(optype)
8544     int optype;
8545 {
8546     char_u	opchars[3];
8547 
8548     if (optype == OP_NOP)
8549 	set_vim_var_string(VV_OP, NULL, 0);
8550     else
8551     {
8552 	opchars[0] = get_op_char(optype);
8553 	opchars[1] = get_extra_op_char(optype);
8554 	opchars[2] = NUL;
8555 	set_vim_var_string(VV_OP, opchars, -1);
8556     }
8557 }
8558 #endif
8559 
8560 /*
8561  * Handle linewise operator "dd", "yy", etc.
8562  *
8563  * "_" is is a strange motion command that helps make operators more logical.
8564  * It is actually implemented, but not documented in the real Vi.  This motion
8565  * command actually refers to "the current line".  Commands like "dd" and "yy"
8566  * are really an alternate form of "d_" and "y_".  It does accept a count, so
8567  * "d3_" works to delete 3 lines.
8568  */
8569     static void
8570 nv_lineop(cap)
8571     cmdarg_T	*cap;
8572 {
8573     cap->oap->motion_type = MLINE;
8574     if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8575 	clearopbeep(cap->oap);
8576     else if (  cap->oap->op_type == OP_DELETE
8577 	    || cap->oap->op_type == OP_LSHIFT
8578 	    || cap->oap->op_type == OP_RSHIFT)
8579 	beginline(BL_SOL | BL_FIX);
8580     else if (cap->oap->op_type != OP_YANK)	/* 'Y' does not move cursor */
8581 	beginline(BL_WHITE | BL_FIX);
8582 }
8583 
8584 /*
8585  * <Home> command.
8586  */
8587     static void
8588 nv_home(cap)
8589     cmdarg_T	*cap;
8590 {
8591     /* CTRL-HOME is like "gg" */
8592     if (mod_mask & MOD_MASK_CTRL)
8593 	nv_goto(cap);
8594     else
8595     {
8596 	cap->count0 = 1;
8597 	nv_pipe(cap);
8598     }
8599     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8600 			       one-character line). */
8601 }
8602 
8603 /*
8604  * "|" command.
8605  */
8606     static void
8607 nv_pipe(cap)
8608     cmdarg_T *cap;
8609 {
8610     cap->oap->motion_type = MCHAR;
8611     cap->oap->inclusive = FALSE;
8612     beginline(0);
8613     if (cap->count0 > 0)
8614     {
8615 	coladvance((colnr_T)(cap->count0 - 1));
8616 	curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8617     }
8618     else
8619 	curwin->w_curswant = 0;
8620     /* keep curswant at the column where we wanted to go, not where
8621      * we ended; differs if line is too short */
8622     curwin->w_set_curswant = FALSE;
8623 }
8624 
8625 /*
8626  * Handle back-word command "b" and "B".
8627  * cap->arg is 1 for "B"
8628  */
8629     static void
8630 nv_bck_word(cap)
8631     cmdarg_T	*cap;
8632 {
8633     cap->oap->motion_type = MCHAR;
8634     cap->oap->inclusive = FALSE;
8635     curwin->w_set_curswant = TRUE;
8636     if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8637 	clearopbeep(cap->oap);
8638 #ifdef FEAT_FOLDING
8639     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8640 	foldOpenCursor();
8641 #endif
8642 }
8643 
8644 /*
8645  * Handle word motion commands "e", "E", "w" and "W".
8646  * cap->arg is TRUE for "E" and "W".
8647  */
8648     static void
8649 nv_wordcmd(cap)
8650     cmdarg_T	*cap;
8651 {
8652     int		n;
8653     int		word_end;
8654     int		flag = FALSE;
8655     pos_T	startpos = curwin->w_cursor;
8656 
8657     /*
8658      * Set inclusive for the "E" and "e" command.
8659      */
8660     if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8661 	word_end = TRUE;
8662     else
8663 	word_end = FALSE;
8664     cap->oap->inclusive = word_end;
8665 
8666     /*
8667      * "cw" and "cW" are a special case.
8668      */
8669     if (!word_end && cap->oap->op_type == OP_CHANGE)
8670     {
8671 	n = gchar_cursor();
8672 	if (n != NUL)			/* not an empty line */
8673 	{
8674 	    if (vim_iswhite(n))
8675 	    {
8676 		/*
8677 		 * Reproduce a funny Vi behaviour: "cw" on a blank only
8678 		 * changes one character, not all blanks until the start of
8679 		 * the next word.  Only do this when the 'w' flag is included
8680 		 * in 'cpoptions'.
8681 		 */
8682 		if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8683 		{
8684 		    cap->oap->inclusive = TRUE;
8685 		    cap->oap->motion_type = MCHAR;
8686 		    return;
8687 		}
8688 	    }
8689 	    else
8690 	    {
8691 		/*
8692 		 * This is a little strange. To match what the real Vi does,
8693 		 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8694 		 * that we are not on a space or a TAB.  This seems impolite
8695 		 * at first, but it's really more what we mean when we say
8696 		 * 'cw'.
8697 		 * Another strangeness: When standing on the end of a word
8698 		 * "ce" will change until the end of the next wordt, but "cw"
8699 		 * will change only one character! This is done by setting
8700 		 * flag.
8701 		 */
8702 		cap->oap->inclusive = TRUE;
8703 		word_end = TRUE;
8704 		flag = TRUE;
8705 	    }
8706 	}
8707     }
8708 
8709     cap->oap->motion_type = MCHAR;
8710     curwin->w_set_curswant = TRUE;
8711     if (word_end)
8712 	n = end_word(cap->count1, cap->arg, flag, FALSE);
8713     else
8714 	n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8715 
8716     /* Don't leave the cursor on the NUL past the end of line. Unless we
8717      * didn't move it forward. */
8718     if (lt(startpos, curwin->w_cursor))
8719 	adjust_cursor(cap->oap);
8720 
8721     if (n == FAIL && cap->oap->op_type == OP_NOP)
8722 	clearopbeep(cap->oap);
8723     else
8724     {
8725 #ifdef FEAT_VISUAL
8726 	adjust_for_sel(cap);
8727 #endif
8728 #ifdef FEAT_FOLDING
8729 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8730 	    foldOpenCursor();
8731 #endif
8732     }
8733 }
8734 
8735 /*
8736  * Used after a movement command: If the cursor ends up on the NUL after the
8737  * end of the line, may move it back to the last character and make the motion
8738  * inclusive.
8739  */
8740     static void
8741 adjust_cursor(oap)
8742     oparg_T *oap;
8743 {
8744     /* The cursor cannot remain on the NUL when:
8745      * - the column is > 0
8746      * - not in Visual mode or 'selection' is "o"
8747      * - 'virtualedit' is not "all" and not "onemore".
8748      */
8749     if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
8750 #ifdef FEAT_VISUAL
8751 		&& (!VIsual_active || *p_sel == 'o')
8752 #endif
8753 #ifdef FEAT_VIRTUALEDIT
8754 		&& !virtual_active() && (ve_flags & VE_ONEMORE) == 0
8755 #endif
8756 		)
8757     {
8758 	--curwin->w_cursor.col;
8759 #ifdef FEAT_MBYTE
8760 	/* prevent cursor from moving on the trail byte */
8761 	if (has_mbyte)
8762 	    mb_adjust_cursor();
8763 #endif
8764 	oap->inclusive = TRUE;
8765     }
8766 }
8767 
8768 /*
8769  * "0" and "^" commands.
8770  * cap->arg is the argument for beginline().
8771  */
8772     static void
8773 nv_beginline(cap)
8774     cmdarg_T	*cap;
8775 {
8776     cap->oap->motion_type = MCHAR;
8777     cap->oap->inclusive = FALSE;
8778     beginline(cap->arg);
8779 #ifdef FEAT_FOLDING
8780     if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8781 	foldOpenCursor();
8782 #endif
8783     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8784 			       one-character line). */
8785 }
8786 
8787 #ifdef FEAT_VISUAL
8788 /*
8789  * In exclusive Visual mode, may include the last character.
8790  */
8791     static void
8792 adjust_for_sel(cap)
8793     cmdarg_T	*cap;
8794 {
8795     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8796 	    && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8797     {
8798 # ifdef FEAT_MBYTE
8799 	if (has_mbyte)
8800 	    inc_cursor();
8801 	else
8802 # endif
8803 	    ++curwin->w_cursor.col;
8804 	cap->oap->inclusive = FALSE;
8805     }
8806 }
8807 
8808 /*
8809  * Exclude last character at end of Visual area for 'selection' == "exclusive".
8810  * Should check VIsual_mode before calling this.
8811  * Returns TRUE when backed up to the previous line.
8812  */
8813     static int
8814 unadjust_for_sel()
8815 {
8816     pos_T	*pp;
8817 
8818     if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8819     {
8820 	if (lt(VIsual, curwin->w_cursor))
8821 	    pp = &curwin->w_cursor;
8822 	else
8823 	    pp = &VIsual;
8824 #ifdef FEAT_VIRTUALEDIT
8825 	if (pp->coladd > 0)
8826 	    --pp->coladd;
8827 	else
8828 #endif
8829 	if (pp->col > 0)
8830 	{
8831 	    --pp->col;
8832 #ifdef FEAT_MBYTE
8833 	    mb_adjustpos(curbuf, pp);
8834 #endif
8835 	}
8836 	else if (pp->lnum > 1)
8837 	{
8838 	    --pp->lnum;
8839 	    pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8840 	    return TRUE;
8841 	}
8842     }
8843     return FALSE;
8844 }
8845 
8846 /*
8847  * SELECT key in Normal or Visual mode: end of Select mode mapping.
8848  */
8849     static void
8850 nv_select(cap)
8851     cmdarg_T	*cap;
8852 {
8853     if (VIsual_active)
8854 	VIsual_select = TRUE;
8855     else if (VIsual_reselect)
8856     {
8857 	cap->nchar = 'v';	    /* fake "gv" command */
8858 	cap->arg = TRUE;
8859 	nv_g_cmd(cap);
8860     }
8861 }
8862 
8863 #endif
8864 
8865 /*
8866  * "G", "gg", CTRL-END, CTRL-HOME.
8867  * cap->arg is TRUE for "G".
8868  */
8869     static void
8870 nv_goto(cap)
8871     cmdarg_T	*cap;
8872 {
8873     linenr_T	lnum;
8874 
8875     if (cap->arg)
8876 	lnum = curbuf->b_ml.ml_line_count;
8877     else
8878 	lnum = 1L;
8879     cap->oap->motion_type = MLINE;
8880     setpcmark();
8881 
8882     /* When a count is given, use it instead of the default lnum */
8883     if (cap->count0 != 0)
8884 	lnum = cap->count0;
8885     if (lnum < 1L)
8886 	lnum = 1L;
8887     else if (lnum > curbuf->b_ml.ml_line_count)
8888 	lnum = curbuf->b_ml.ml_line_count;
8889     curwin->w_cursor.lnum = lnum;
8890     beginline(BL_SOL | BL_FIX);
8891 #ifdef FEAT_FOLDING
8892     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8893 	foldOpenCursor();
8894 #endif
8895 }
8896 
8897 /*
8898  * CTRL-\ in Normal mode.
8899  */
8900     static void
8901 nv_normal(cap)
8902     cmdarg_T	*cap;
8903 {
8904     if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8905     {
8906 	clearop(cap->oap);
8907 	if (restart_edit != 0 && mode_displayed)
8908 	    clear_cmdline = TRUE;		/* unshow mode later */
8909 	restart_edit = 0;
8910 #ifdef FEAT_CMDWIN
8911 	if (cmdwin_type != 0)
8912 	    cmdwin_result = Ctrl_C;
8913 #endif
8914 #ifdef FEAT_VISUAL
8915 	if (VIsual_active)
8916 	{
8917 	    end_visual_mode();		/* stop Visual */
8918 	    redraw_curbuf_later(INVERTED);
8919 	}
8920 #endif
8921 	/* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8922 	if (cap->nchar == Ctrl_G && p_im)
8923 	    restart_edit = 'a';
8924     }
8925     else
8926 	clearopbeep(cap->oap);
8927 }
8928 
8929 /*
8930  * ESC in Normal mode: beep, but don't flush buffers.
8931  * Don't even beep if we are canceling a command.
8932  */
8933     static void
8934 nv_esc(cap)
8935     cmdarg_T	*cap;
8936 {
8937     int		no_reason;
8938 
8939     no_reason = (cap->oap->op_type == OP_NOP
8940 		&& cap->opcount == 0
8941 		&& cap->count0 == 0
8942 		&& cap->oap->regname == 0
8943 		&& !p_im);
8944 
8945     if (cap->arg)		/* TRUE for CTRL-C */
8946     {
8947 	if (restart_edit == 0
8948 #ifdef FEAT_CMDWIN
8949 		&& cmdwin_type == 0
8950 #endif
8951 #ifdef FEAT_VISUAL
8952 		&& !VIsual_active
8953 #endif
8954 		&& no_reason)
8955 	    MSG(_("Type  :quit<Enter>  to exit Vim"));
8956 
8957 	/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8958 	 * set again below when halfway a mapping. */
8959 	if (!p_im)
8960 	    restart_edit = 0;
8961 #ifdef FEAT_CMDWIN
8962 	if (cmdwin_type != 0)
8963 	{
8964 	    cmdwin_result = K_IGNORE;
8965 	    got_int = FALSE;	/* don't stop executing autocommands et al. */
8966 	    return;
8967 	}
8968 #endif
8969     }
8970 
8971 #ifdef FEAT_VISUAL
8972     if (VIsual_active)
8973     {
8974 	end_visual_mode();	/* stop Visual */
8975 	check_cursor_col();	/* make sure cursor is not beyond EOL */
8976 	curwin->w_set_curswant = TRUE;
8977 	redraw_curbuf_later(INVERTED);
8978     }
8979     else
8980 #endif
8981 	if (no_reason)
8982 	    vim_beep();
8983     clearop(cap->oap);
8984 
8985     /* A CTRL-C is often used at the start of a menu.  When 'insertmode' is
8986      * set return to Insert mode afterwards. */
8987     if (restart_edit == 0 && goto_im()
8988 #ifdef FEAT_EX_EXTRA
8989 	    && ex_normal_busy == 0
8990 #endif
8991 	    )
8992 	restart_edit = 'a';
8993 }
8994 
8995 /*
8996  * Handle "A", "a", "I", "i" and <Insert> commands.
8997  */
8998     static void
8999 nv_edit(cap)
9000     cmdarg_T *cap;
9001 {
9002     /* <Insert> is equal to "i" */
9003     if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
9004 	cap->cmdchar = 'i';
9005 
9006 #ifdef FEAT_VISUAL
9007     /* in Visual mode "A" and "I" are an operator */
9008     if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
9009 	v_visop(cap);
9010 
9011     /* in Visual mode and after an operator "a" and "i" are for text objects */
9012     else
9013 #endif
9014 	if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
9015 	    && (cap->oap->op_type != OP_NOP
9016 #ifdef FEAT_VISUAL
9017 		|| VIsual_active
9018 #endif
9019 		))
9020     {
9021 #ifdef FEAT_TEXTOBJ
9022 	nv_object(cap);
9023 #else
9024 	clearopbeep(cap->oap);
9025 #endif
9026     }
9027     else if (!curbuf->b_p_ma && !p_im)
9028     {
9029 	/* Only give this error when 'insertmode' is off. */
9030 	EMSG(_(e_modifiable));
9031 	clearop(cap->oap);
9032     }
9033     else if (!checkclearopq(cap->oap))
9034     {
9035 	switch (cap->cmdchar)
9036 	{
9037 	    case 'A':	/* "A"ppend after the line */
9038 		curwin->w_set_curswant = TRUE;
9039 #ifdef FEAT_VIRTUALEDIT
9040 		if (ve_flags == VE_ALL)
9041 		{
9042 		    int save_State = State;
9043 
9044 		    /* Pretent Insert mode here to allow the cursor on the
9045 		     * character past the end of the line */
9046 		    State = INSERT;
9047 		    coladvance((colnr_T)MAXCOL);
9048 		    State = save_State;
9049 		}
9050 		else
9051 #endif
9052 		    curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
9053 		break;
9054 
9055 	    case 'I':	/* "I"nsert before the first non-blank */
9056 		if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
9057 		    beginline(BL_WHITE);
9058 		else
9059 		    beginline(BL_WHITE|BL_FIX);
9060 		break;
9061 
9062 	    case 'a':	/* "a"ppend is like "i"nsert on the next character. */
9063 #ifdef FEAT_VIRTUALEDIT
9064 		/* increment coladd when in virtual space, increment the
9065 		 * column otherwise, also to append after an unprintable char */
9066 		if (virtual_active()
9067 			&& (curwin->w_cursor.coladd > 0
9068 			    || *ml_get_cursor() == NUL
9069 			    || *ml_get_cursor() == TAB))
9070 		    curwin->w_cursor.coladd++;
9071 		else
9072 #endif
9073 		if (*ml_get_cursor() != NUL)
9074 		    inc_cursor();
9075 		break;
9076 	}
9077 
9078 #ifdef FEAT_VIRTUALEDIT
9079 	if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
9080 	{
9081 	    int save_State = State;
9082 
9083 	    /* Pretent Insert mode here to allow the cursor on the
9084 	     * character past the end of the line */
9085 	    State = INSERT;
9086 	    coladvance(getviscol());
9087 	    State = save_State;
9088 	}
9089 #endif
9090 
9091 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
9092     }
9093 }
9094 
9095 /*
9096  * Invoke edit() and take care of "restart_edit" and the return value.
9097  */
9098     static void
9099 invoke_edit(cap, repl, cmd, startln)
9100     cmdarg_T	*cap;
9101     int		repl;		/* "r" or "gr" command */
9102     int		cmd;
9103     int		startln;
9104 {
9105     int		restart_edit_save = 0;
9106 
9107     /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
9108      * mode recursively.  But when doing "a<C-O>." or "a<C-O>rx" we do allow
9109      * it. */
9110     if (repl || !stuff_empty())
9111 	restart_edit_save = restart_edit;
9112     else
9113 	restart_edit_save = 0;
9114 
9115     /* Always reset "restart_edit", this is not a restarted edit. */
9116     restart_edit = 0;
9117 
9118     if (edit(cmd, startln, cap->count1))
9119 	cap->retval |= CA_COMMAND_BUSY;
9120 
9121     if (restart_edit == 0)
9122 	restart_edit = restart_edit_save;
9123 }
9124 
9125 #ifdef FEAT_TEXTOBJ
9126 /*
9127  * "a" or "i" while an operator is pending or in Visual mode: object motion.
9128  */
9129     static void
9130 nv_object(cap)
9131     cmdarg_T	*cap;
9132 {
9133     int		flag;
9134     int		include;
9135     char_u	*mps_save;
9136 
9137     if (cap->cmdchar == 'i')
9138 	include = FALSE;    /* "ix" = inner object: exclude white space */
9139     else
9140 	include = TRUE;	    /* "ax" = an object: include white space */
9141 
9142     /* Make sure (), [], {} and <> are in 'matchpairs' */
9143     mps_save = curbuf->b_p_mps;
9144     curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
9145 
9146     switch (cap->nchar)
9147     {
9148 	case 'w': /* "aw" = a word */
9149 		flag = current_word(cap->oap, cap->count1, include, FALSE);
9150 		break;
9151 	case 'W': /* "aW" = a WORD */
9152 		flag = current_word(cap->oap, cap->count1, include, TRUE);
9153 		break;
9154 	case 'b': /* "ab" = a braces block */
9155 	case '(':
9156 	case ')':
9157 		flag = current_block(cap->oap, cap->count1, include, '(', ')');
9158 		break;
9159 	case 'B': /* "aB" = a Brackets block */
9160 	case '{':
9161 	case '}':
9162 		flag = current_block(cap->oap, cap->count1, include, '{', '}');
9163 		break;
9164 	case '[': /* "a[" = a [] block */
9165 	case ']':
9166 		flag = current_block(cap->oap, cap->count1, include, '[', ']');
9167 		break;
9168 	case '<': /* "a<" = a <> block */
9169 	case '>':
9170 		flag = current_block(cap->oap, cap->count1, include, '<', '>');
9171 		break;
9172 	case 't': /* "at" = a tag block (xml and html) */
9173 		flag = current_tagblock(cap->oap, cap->count1, include);
9174 		break;
9175 	case 'p': /* "ap" = a paragraph */
9176 		flag = current_par(cap->oap, cap->count1, include, 'p');
9177 		break;
9178 	case 's': /* "as" = a sentence */
9179 		flag = current_sent(cap->oap, cap->count1, include);
9180 		break;
9181 	case '"': /* "a"" = a double quoted string */
9182 	case '\'': /* "a'" = a single quoted string */
9183 	case '`': /* "a`" = a backtick quoted string */
9184 		flag = current_quote(cap->oap, cap->count1, include,
9185 								  cap->nchar);
9186 		break;
9187 #if 0	/* TODO */
9188 	case 'S': /* "aS" = a section */
9189 	case 'f': /* "af" = a filename */
9190 	case 'u': /* "au" = a URL */
9191 #endif
9192 	default:
9193 		flag = FAIL;
9194 		break;
9195     }
9196 
9197     curbuf->b_p_mps = mps_save;
9198     if (flag == FAIL)
9199 	clearopbeep(cap->oap);
9200     adjust_cursor_col();
9201     curwin->w_set_curswant = TRUE;
9202 }
9203 #endif
9204 
9205 /*
9206  * "q" command: Start/stop recording.
9207  * "q:", "q/", "q?": edit command-line in command-line window.
9208  */
9209     static void
9210 nv_record(cap)
9211     cmdarg_T	*cap;
9212 {
9213     if (cap->oap->op_type == OP_FORMAT)
9214     {
9215 	/* "gqq" is the same as "gqgq": format line */
9216 	cap->cmdchar = 'g';
9217 	cap->nchar = 'q';
9218 	nv_operator(cap);
9219     }
9220     else if (!checkclearop(cap->oap))
9221     {
9222 #ifdef FEAT_CMDWIN
9223 	if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
9224 	{
9225 	    stuffcharReadbuff(cap->nchar);
9226 	    stuffcharReadbuff(K_CMDWIN);
9227 	}
9228 	else
9229 #endif
9230 	    /* (stop) recording into a named register, unless executing a
9231 	     * register */
9232 	    if (!Exec_reg && do_record(cap->nchar) == FAIL)
9233 		clearopbeep(cap->oap);
9234     }
9235 }
9236 
9237 /*
9238  * Handle the "@r" command.
9239  */
9240     static void
9241 nv_at(cap)
9242     cmdarg_T	*cap;
9243 {
9244     if (checkclearop(cap->oap))
9245 	return;
9246 #ifdef FEAT_EVAL
9247     if (cap->nchar == '=')
9248     {
9249 	if (get_expr_register() == NUL)
9250 	    return;
9251     }
9252 #endif
9253     while (cap->count1-- && !got_int)
9254     {
9255 	if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
9256 	{
9257 	    clearopbeep(cap->oap);
9258 	    break;
9259 	}
9260 	line_breakcheck();
9261     }
9262 }
9263 
9264 /*
9265  * Handle the CTRL-U and CTRL-D commands.
9266  */
9267     static void
9268 nv_halfpage(cap)
9269     cmdarg_T	*cap;
9270 {
9271     if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
9272 	    || (cap->cmdchar == Ctrl_D
9273 		&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
9274 	clearopbeep(cap->oap);
9275     else if (!checkclearop(cap->oap))
9276 	halfpage(cap->cmdchar == Ctrl_D, cap->count0);
9277 }
9278 
9279 /*
9280  * Handle "J" or "gJ" command.
9281  */
9282     static void
9283 nv_join(cap)
9284     cmdarg_T *cap;
9285 {
9286 #ifdef FEAT_VISUAL
9287     if (VIsual_active)	/* join the visual lines */
9288 	nv_operator(cap);
9289     else
9290 #endif
9291 	if (!checkclearop(cap->oap))
9292     {
9293 	if (cap->count0 <= 1)
9294 	    cap->count0 = 2;	    /* default for join is two lines! */
9295 	if (curwin->w_cursor.lnum + cap->count0 - 1 >
9296 						   curbuf->b_ml.ml_line_count)
9297 	    clearopbeep(cap->oap);  /* beyond last line */
9298 	else
9299 	{
9300 	    prep_redo(cap->oap->regname, cap->count0,
9301 			 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
9302 	    (void)do_join(cap->count0, cap->nchar == NUL, TRUE);
9303 	}
9304     }
9305 }
9306 
9307 /*
9308  * "P", "gP", "p" and "gp" commands.
9309  */
9310     static void
9311 nv_put(cap)
9312     cmdarg_T  *cap;
9313 {
9314 #ifdef FEAT_VISUAL
9315     int		regname = 0;
9316     void	*reg1 = NULL, *reg2 = NULL;
9317     int		empty = FALSE;
9318     int		was_visual = FALSE;
9319 #endif
9320     int		dir;
9321     int		flags = 0;
9322 
9323     if (cap->oap->op_type != OP_NOP)
9324     {
9325 #ifdef FEAT_DIFF
9326 	/* "dp" is ":diffput" */
9327 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
9328 	{
9329 	    clearop(cap->oap);
9330 	    nv_diffgetput(TRUE);
9331 	}
9332 	else
9333 #endif
9334 	clearopbeep(cap->oap);
9335     }
9336     else
9337     {
9338 	dir = (cap->cmdchar == 'P'
9339 		|| (cap->cmdchar == 'g' && cap->nchar == 'P'))
9340 							 ? BACKWARD : FORWARD;
9341 	prep_redo_cmd(cap);
9342 	if (cap->cmdchar == 'g')
9343 	    flags |= PUT_CURSEND;
9344 
9345 #ifdef FEAT_VISUAL
9346 	if (VIsual_active)
9347 	{
9348 	    /* Putting in Visual mode: The put text replaces the selected
9349 	     * text.  First delete the selected text, then put the new text.
9350 	     * Need to save and restore the registers that the delete
9351 	     * overwrites if the old contents is being put.
9352 	     */
9353 	    was_visual = TRUE;
9354 	    regname = cap->oap->regname;
9355 # ifdef FEAT_CLIPBOARD
9356 	    adjust_clip_reg(&regname);
9357 # endif
9358 	    if (regname == 0 || regname == '"' || VIM_ISDIGIT(regname)
9359 # ifdef FEAT_CLIPBOARD
9360 		    || (clip_unnamed && (regname == '*' || regname == '+'))
9361 # endif
9362 
9363 		    )
9364 	    {
9365 		/* the delete is going to overwrite the register we want to
9366 		 * put, save it first. */
9367 		reg1 = get_register(regname, TRUE);
9368 	    }
9369 
9370 	    /* Now delete the selected text. */
9371 	    cap->cmdchar = 'd';
9372 	    cap->nchar = NUL;
9373 	    cap->oap->regname = NUL;
9374 	    nv_operator(cap);
9375 	    do_pending_operator(cap, 0, FALSE);
9376 	    empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
9377 
9378 	    /* delete PUT_LINE_BACKWARD; */
9379 	    cap->oap->regname = regname;
9380 
9381 	    if (reg1 != NULL)
9382 	    {
9383 		/* Delete probably changed the register we want to put, save
9384 		 * it first. Then put back what was there before the delete. */
9385 		reg2 = get_register(regname, FALSE);
9386 		put_register(regname, reg1);
9387 	    }
9388 
9389 	    /* When deleted a linewise Visual area, put the register as
9390 	     * lines to avoid it joined with the next line.  When deletion was
9391 	     * characterwise, split a line when putting lines. */
9392 	    if (VIsual_mode == 'V')
9393 		flags |= PUT_LINE;
9394 	    else if (VIsual_mode == 'v')
9395 		flags |= PUT_LINE_SPLIT;
9396 	    if (VIsual_mode == Ctrl_V && dir == FORWARD)
9397 		flags |= PUT_LINE_FORWARD;
9398 	    dir = BACKWARD;
9399 	    if ((VIsual_mode != 'V'
9400 			&& curwin->w_cursor.col < curbuf->b_op_start.col)
9401 		    || (VIsual_mode == 'V'
9402 			&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9403 		/* cursor is at the end of the line or end of file, put
9404 		 * forward. */
9405 		dir = FORWARD;
9406 	}
9407 #endif
9408 	do_put(cap->oap->regname, dir, cap->count1, flags);
9409 
9410 #ifdef FEAT_VISUAL
9411 	/* If a register was saved, put it back now. */
9412 	if (reg2 != NULL)
9413 	    put_register(regname, reg2);
9414 
9415 	/* What to reselect with "gv"?  Selecting the just put text seems to
9416 	 * be the most useful, since the original text was removed. */
9417 	if (was_visual)
9418 	{
9419 	    curbuf->b_visual.vi_start = curbuf->b_op_start;
9420 	    curbuf->b_visual.vi_end = curbuf->b_op_end;
9421 	}
9422 
9423 	/* When all lines were selected and deleted do_put() leaves an empty
9424 	 * line that needs to be deleted now. */
9425 	if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9426 	{
9427 	    ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9428 
9429 	    /* If the cursor was in that line, move it to the end of the last
9430 	     * line. */
9431 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9432 	    {
9433 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9434 		coladvance((colnr_T)MAXCOL);
9435 	    }
9436 	}
9437 #endif
9438 	auto_format(FALSE, TRUE);
9439     }
9440 }
9441 
9442 /*
9443  * "o" and "O" commands.
9444  */
9445     static void
9446 nv_open(cap)
9447     cmdarg_T	*cap;
9448 {
9449 #ifdef FEAT_DIFF
9450     /* "do" is ":diffget" */
9451     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9452     {
9453 	clearop(cap->oap);
9454 	nv_diffgetput(FALSE);
9455     }
9456     else
9457 #endif
9458 #ifdef FEAT_VISUAL
9459     if (VIsual_active)  /* switch start and end of visual */
9460 	v_swap_corners(cap->cmdchar);
9461     else
9462 #endif
9463 	n_opencmd(cap);
9464 }
9465 
9466 #ifdef FEAT_SNIFF
9467     static void
9468 nv_sniff(cap)
9469     cmdarg_T	*cap UNUSED;
9470 {
9471     ProcessSniffRequests();
9472 }
9473 #endif
9474 
9475 #ifdef FEAT_NETBEANS_INTG
9476     static void
9477 nv_nbcmd(cap)
9478     cmdarg_T	*cap;
9479 {
9480     netbeans_keycommand(cap->nchar);
9481 }
9482 #endif
9483 
9484 #ifdef FEAT_DND
9485     static void
9486 nv_drop(cap)
9487     cmdarg_T	*cap UNUSED;
9488 {
9489     do_put('~', BACKWARD, 1L, PUT_CURSEND);
9490 }
9491 #endif
9492 
9493 #ifdef FEAT_AUTOCMD
9494 /*
9495  * Trigger CursorHold event.
9496  * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9497  * input buffer.  "did_cursorhold" is set to avoid retriggering.
9498  */
9499     static void
9500 nv_cursorhold(cap)
9501     cmdarg_T	*cap;
9502 {
9503     apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9504     did_cursorhold = TRUE;
9505     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
9506 }
9507 #endif
9508