xref: /vim-8.2.3635/src/normal.c (revision 91e15e13)
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 /*
18  * The Visual area is remembered for reselection.
19  */
20 static int	resel_VIsual_mode = NUL;	/* 'v', 'V', or Ctrl-V */
21 static linenr_T	resel_VIsual_line_count;	/* number of lines */
22 static colnr_T	resel_VIsual_vcol;		/* nr of cols or end col */
23 static int	VIsual_mode_orig = NUL;		/* saved Visual mode */
24 
25 static int	restart_VIsual_select = 0;
26 
27 #ifdef FEAT_EVAL
28 static void	set_vcount_ca __ARGS((cmdarg_T *cap, int *set_prevcount));
29 #endif
30 static int
31 #ifdef __BORLANDC__
32     _RTLENTRYF
33 #endif
34 		nv_compare __ARGS((const void *s1, const void *s2));
35 static int	find_command __ARGS((int cmdchar));
36 static void	op_colon __ARGS((oparg_T *oap));
37 static void	op_function __ARGS((oparg_T *oap));
38 #if defined(FEAT_MOUSE)
39 static void	find_start_of_word __ARGS((pos_T *));
40 static void	find_end_of_word __ARGS((pos_T *));
41 static int	get_mouse_class __ARGS((char_u *p));
42 #endif
43 static void	prep_redo_cmd __ARGS((cmdarg_T *cap));
44 static void	prep_redo __ARGS((int regname, long, int, int, int, int, int));
45 static int	checkclearop __ARGS((oparg_T *oap));
46 static int	checkclearopq __ARGS((oparg_T *oap));
47 static void	clearop __ARGS((oparg_T *oap));
48 static void	clearopbeep __ARGS((oparg_T *oap));
49 static void	unshift_special __ARGS((cmdarg_T *cap));
50 #ifdef FEAT_CMDL_INFO
51 static void	del_from_showcmd __ARGS((int));
52 #endif
53 
54 /*
55  * nv_*(): functions called to handle Normal and Visual mode commands.
56  * n_*(): functions called to handle Normal mode commands.
57  * v_*(): functions called to handle Visual mode commands.
58  */
59 static void	nv_ignore __ARGS((cmdarg_T *cap));
60 static void	nv_nop __ARGS((cmdarg_T *cap));
61 static void	nv_error __ARGS((cmdarg_T *cap));
62 static void	nv_help __ARGS((cmdarg_T *cap));
63 static void	nv_addsub __ARGS((cmdarg_T *cap));
64 static void	nv_page __ARGS((cmdarg_T *cap));
65 static void	nv_gd __ARGS((oparg_T *oap, int nchar, int thisblock));
66 static int	nv_screengo __ARGS((oparg_T *oap, int dir, long dist));
67 #ifdef FEAT_MOUSE
68 static void	nv_mousescroll __ARGS((cmdarg_T *cap));
69 static void	nv_mouse __ARGS((cmdarg_T *cap));
70 #endif
71 static void	nv_scroll_line __ARGS((cmdarg_T *cap));
72 static void	nv_zet __ARGS((cmdarg_T *cap));
73 #ifdef FEAT_GUI
74 static void	nv_ver_scrollbar __ARGS((cmdarg_T *cap));
75 static void	nv_hor_scrollbar __ARGS((cmdarg_T *cap));
76 #endif
77 #ifdef FEAT_GUI_TABLINE
78 static void	nv_tabline __ARGS((cmdarg_T *cap));
79 static void	nv_tabmenu __ARGS((cmdarg_T *cap));
80 #endif
81 static void	nv_exmode __ARGS((cmdarg_T *cap));
82 static void	nv_colon __ARGS((cmdarg_T *cap));
83 static void	nv_ctrlg __ARGS((cmdarg_T *cap));
84 static void	nv_ctrlh __ARGS((cmdarg_T *cap));
85 static void	nv_clear __ARGS((cmdarg_T *cap));
86 static void	nv_ctrlo __ARGS((cmdarg_T *cap));
87 static void	nv_hat __ARGS((cmdarg_T *cap));
88 static void	nv_Zet __ARGS((cmdarg_T *cap));
89 static void	nv_ident __ARGS((cmdarg_T *cap));
90 static void	nv_tagpop __ARGS((cmdarg_T *cap));
91 static void	nv_scroll __ARGS((cmdarg_T *cap));
92 static void	nv_right __ARGS((cmdarg_T *cap));
93 static void	nv_left __ARGS((cmdarg_T *cap));
94 static void	nv_up __ARGS((cmdarg_T *cap));
95 static void	nv_down __ARGS((cmdarg_T *cap));
96 #ifdef FEAT_SEARCHPATH
97 static void	nv_gotofile __ARGS((cmdarg_T *cap));
98 #endif
99 static void	nv_end __ARGS((cmdarg_T *cap));
100 static void	nv_dollar __ARGS((cmdarg_T *cap));
101 static void	nv_search __ARGS((cmdarg_T *cap));
102 static void	nv_next __ARGS((cmdarg_T *cap));
103 static void	normal_search __ARGS((cmdarg_T *cap, int dir, char_u *pat, int opt));
104 static void	nv_csearch __ARGS((cmdarg_T *cap));
105 static void	nv_brackets __ARGS((cmdarg_T *cap));
106 static void	nv_percent __ARGS((cmdarg_T *cap));
107 static void	nv_brace __ARGS((cmdarg_T *cap));
108 static void	nv_mark __ARGS((cmdarg_T *cap));
109 static void	nv_findpar __ARGS((cmdarg_T *cap));
110 static void	nv_undo __ARGS((cmdarg_T *cap));
111 static void	nv_kundo __ARGS((cmdarg_T *cap));
112 static void	nv_Replace __ARGS((cmdarg_T *cap));
113 #ifdef FEAT_VREPLACE
114 static void	nv_vreplace __ARGS((cmdarg_T *cap));
115 #endif
116 static void	v_swap_corners __ARGS((int cmdchar));
117 static void	nv_replace __ARGS((cmdarg_T *cap));
118 static void	n_swapchar __ARGS((cmdarg_T *cap));
119 static void	nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
120 static void	v_visop __ARGS((cmdarg_T *cap));
121 static void	nv_subst __ARGS((cmdarg_T *cap));
122 static void	nv_abbrev __ARGS((cmdarg_T *cap));
123 static void	nv_optrans __ARGS((cmdarg_T *cap));
124 static void	nv_gomark __ARGS((cmdarg_T *cap));
125 static void	nv_pcmark __ARGS((cmdarg_T *cap));
126 static void	nv_regname __ARGS((cmdarg_T *cap));
127 static void	nv_visual __ARGS((cmdarg_T *cap));
128 static void	n_start_visual_mode __ARGS((int c));
129 static void	nv_window __ARGS((cmdarg_T *cap));
130 static void	nv_suspend __ARGS((cmdarg_T *cap));
131 static void	nv_g_cmd __ARGS((cmdarg_T *cap));
132 static void	n_opencmd __ARGS((cmdarg_T *cap));
133 static void	nv_dot __ARGS((cmdarg_T *cap));
134 static void	nv_redo __ARGS((cmdarg_T *cap));
135 static void	nv_Undo __ARGS((cmdarg_T *cap));
136 static void	nv_tilde __ARGS((cmdarg_T *cap));
137 static void	nv_operator __ARGS((cmdarg_T *cap));
138 #ifdef FEAT_EVAL
139 static void	set_op_var __ARGS((int optype));
140 #endif
141 static void	nv_lineop __ARGS((cmdarg_T *cap));
142 static void	nv_home __ARGS((cmdarg_T *cap));
143 static void	nv_pipe __ARGS((cmdarg_T *cap));
144 static void	nv_bck_word __ARGS((cmdarg_T *cap));
145 static void	nv_wordcmd __ARGS((cmdarg_T *cap));
146 static void	nv_beginline __ARGS((cmdarg_T *cap));
147 static void	adjust_cursor __ARGS((oparg_T *oap));
148 static void	adjust_for_sel __ARGS((cmdarg_T *cap));
149 static int	unadjust_for_sel __ARGS((void));
150 static void	nv_select __ARGS((cmdarg_T *cap));
151 static void	nv_goto __ARGS((cmdarg_T *cap));
152 static void	nv_normal __ARGS((cmdarg_T *cap));
153 static void	nv_esc __ARGS((cmdarg_T *oap));
154 static void	nv_edit __ARGS((cmdarg_T *cap));
155 static void	invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
156 #ifdef FEAT_TEXTOBJ
157 static void	nv_object __ARGS((cmdarg_T *cap));
158 #endif
159 static void	nv_record __ARGS((cmdarg_T *cap));
160 static void	nv_at __ARGS((cmdarg_T *cap));
161 static void	nv_halfpage __ARGS((cmdarg_T *cap));
162 static void	nv_join __ARGS((cmdarg_T *cap));
163 static void	nv_put __ARGS((cmdarg_T *cap));
164 static void	nv_open __ARGS((cmdarg_T *cap));
165 #ifdef FEAT_SNIFF
166 static void	nv_sniff __ARGS((cmdarg_T *cap));
167 #endif
168 #ifdef FEAT_NETBEANS_INTG
169 static void	nv_nbcmd __ARGS((cmdarg_T *cap));
170 #endif
171 #ifdef FEAT_DND
172 static void	nv_drop __ARGS((cmdarg_T *cap));
173 #endif
174 #ifdef FEAT_AUTOCMD
175 static void	nv_cursorhold __ARGS((cmdarg_T *cap));
176 #endif
177 
178 static char *e_noident = N_("E349: No identifier under cursor");
179 
180 /*
181  * Function to be called for a Normal or Visual mode command.
182  * The argument is a cmdarg_T.
183  */
184 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
185 
186 /* Values for cmd_flags. */
187 #define NV_NCH	    0x01	  /* may need to get a second char */
188 #define NV_NCH_NOP  (0x02|NV_NCH) /* get second char when no operator pending */
189 #define NV_NCH_ALW  (0x04|NV_NCH) /* always get a second char */
190 #define NV_LANG	    0x08	/* second char needs language adjustment */
191 
192 #define NV_SS	    0x10	/* may start selection */
193 #define NV_SSS	    0x20	/* may start selection with shift modifier */
194 #define NV_STS	    0x40	/* may stop selection without shift modif. */
195 #define NV_RL	    0x80	/* 'rightleft' modifies command */
196 #define NV_KEEPREG  0x100	/* don't clear regname */
197 #define NV_NCW	    0x200	/* not allowed in command-line window */
198 
199 /*
200  * Generally speaking, every Normal mode command should either clear any
201  * pending operator (with *clearop*()), or set the motion type variable
202  * oap->motion_type.
203  *
204  * When a cursor motion command is made, it is marked as being a character or
205  * line oriented motion.  Then, if an operator is in effect, the operation
206  * becomes character or line oriented accordingly.
207  */
208 
209 /*
210  * This table contains one entry for every Normal or Visual mode command.
211  * The order doesn't matter, init_normal_cmds() will create a sorted index.
212  * It is faster when all keys from zero to '~' are present.
213  */
214 static const struct nv_cmd
215 {
216     int		cmd_char;	/* (first) command character */
217     nv_func_T   cmd_func;	/* function for this command */
218     short_u	cmd_flags;	/* NV_ flags */
219     short	cmd_arg;	/* value for ca.arg */
220 } nv_cmds[] =
221 {
222     {NUL,	nv_error,	0,			0},
223     {Ctrl_A,	nv_addsub,	0,			0},
224     {Ctrl_B,	nv_page,	NV_STS,			BACKWARD},
225     {Ctrl_C,	nv_esc,		0,			TRUE},
226     {Ctrl_D,	nv_halfpage,	0,			0},
227     {Ctrl_E,	nv_scroll_line,	0,			TRUE},
228     {Ctrl_F,	nv_page,	NV_STS,			FORWARD},
229     {Ctrl_G,	nv_ctrlg,	0,			0},
230     {Ctrl_H,	nv_ctrlh,	0,			0},
231     {Ctrl_I,	nv_pcmark,	0,			0},
232     {NL,	nv_down,	0,			FALSE},
233     {Ctrl_K,	nv_error,	0,			0},
234     {Ctrl_L,	nv_clear,	0,			0},
235     {Ctrl_M,	nv_down,	0,			TRUE},
236     {Ctrl_N,	nv_down,	NV_STS,			FALSE},
237     {Ctrl_O,	nv_ctrlo,	0,			0},
238     {Ctrl_P,	nv_up,		NV_STS,			FALSE},
239     {Ctrl_Q,	nv_visual,	0,			FALSE},
240     {Ctrl_R,	nv_redo,	0,			0},
241     {Ctrl_S,	nv_ignore,	0,			0},
242     {Ctrl_T,	nv_tagpop,	NV_NCW,			0},
243     {Ctrl_U,	nv_halfpage,	0,			0},
244     {Ctrl_V,	nv_visual,	0,			FALSE},
245     {'V',	nv_visual,	0,			FALSE},
246     {'v',	nv_visual,	0,			FALSE},
247     {Ctrl_W,	nv_window,	0,			0},
248     {Ctrl_X,	nv_addsub,	0,			0},
249     {Ctrl_Y,	nv_scroll_line,	0,			FALSE},
250     {Ctrl_Z,	nv_suspend,	0,			0},
251     {ESC,	nv_esc,		0,			FALSE},
252     {Ctrl_BSL,	nv_normal,	NV_NCH_ALW,		0},
253     {Ctrl_RSB,	nv_ident,	NV_NCW,			0},
254     {Ctrl_HAT,	nv_hat,		NV_NCW,			0},
255     {Ctrl__,	nv_error,	0,			0},
256     {' ',	nv_right,	0,			0},
257     {'!',	nv_operator,	0,			0},
258     {'"',	nv_regname,	NV_NCH_NOP|NV_KEEPREG,	0},
259     {'#',	nv_ident,	0,			0},
260     {'$',	nv_dollar,	0,			0},
261     {'%',	nv_percent,	0,			0},
262     {'&',	nv_optrans,	0,			0},
263     {'\'',	nv_gomark,	NV_NCH_ALW,		TRUE},
264     {'(',	nv_brace,	0,			BACKWARD},
265     {')',	nv_brace,	0,			FORWARD},
266     {'*',	nv_ident,	0,			0},
267     {'+',	nv_down,	0,			TRUE},
268     {',',	nv_csearch,	0,			TRUE},
269     {'-',	nv_up,		0,			TRUE},
270     {'.',	nv_dot,		NV_KEEPREG,		0},
271     {'/',	nv_search,	0,			FALSE},
272     {'0',	nv_beginline,	0,			0},
273     {'1',	nv_ignore,	0,			0},
274     {'2',	nv_ignore,	0,			0},
275     {'3',	nv_ignore,	0,			0},
276     {'4',	nv_ignore,	0,			0},
277     {'5',	nv_ignore,	0,			0},
278     {'6',	nv_ignore,	0,			0},
279     {'7',	nv_ignore,	0,			0},
280     {'8',	nv_ignore,	0,			0},
281     {'9',	nv_ignore,	0,			0},
282     {':',	nv_colon,	0,			0},
283     {';',	nv_csearch,	0,			FALSE},
284     {'<',	nv_operator,	NV_RL,			0},
285     {'=',	nv_operator,	0,			0},
286     {'>',	nv_operator,	NV_RL,			0},
287     {'?',	nv_search,	0,			FALSE},
288     {'@',	nv_at,		NV_NCH_NOP,		FALSE},
289     {'A',	nv_edit,	0,			0},
290     {'B',	nv_bck_word,	0,			1},
291     {'C',	nv_abbrev,	NV_KEEPREG,		0},
292     {'D',	nv_abbrev,	NV_KEEPREG,		0},
293     {'E',	nv_wordcmd,	0,			TRUE},
294     {'F',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
295     {'G',	nv_goto,	0,			TRUE},
296     {'H',	nv_scroll,	0,			0},
297     {'I',	nv_edit,	0,			0},
298     {'J',	nv_join,	0,			0},
299     {'K',	nv_ident,	0,			0},
300     {'L',	nv_scroll,	0,			0},
301     {'M',	nv_scroll,	0,			0},
302     {'N',	nv_next,	0,			SEARCH_REV},
303     {'O',	nv_open,	0,			0},
304     {'P',	nv_put,		0,			0},
305     {'Q',	nv_exmode,	NV_NCW,			0},
306     {'R',	nv_Replace,	0,			FALSE},
307     {'S',	nv_subst,	NV_KEEPREG,		0},
308     {'T',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
309     {'U',	nv_Undo,	0,			0},
310     {'W',	nv_wordcmd,	0,			TRUE},
311     {'X',	nv_abbrev,	NV_KEEPREG,		0},
312     {'Y',	nv_abbrev,	NV_KEEPREG,		0},
313     {'Z',	nv_Zet,		NV_NCH_NOP|NV_NCW,	0},
314     {'[',	nv_brackets,	NV_NCH_ALW,		BACKWARD},
315     {'\\',	nv_error,	0,			0},
316     {']',	nv_brackets,	NV_NCH_ALW,		FORWARD},
317     {'^',	nv_beginline,	0,			BL_WHITE | BL_FIX},
318     {'_',	nv_lineop,	0,			0},
319     {'`',	nv_gomark,	NV_NCH_ALW,		FALSE},
320     {'a',	nv_edit,	NV_NCH,			0},
321     {'b',	nv_bck_word,	0,			0},
322     {'c',	nv_operator,	0,			0},
323     {'d',	nv_operator,	0,			0},
324     {'e',	nv_wordcmd,	0,			FALSE},
325     {'f',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
326     {'g',	nv_g_cmd,	NV_NCH_ALW,		FALSE},
327     {'h',	nv_left,	NV_RL,			0},
328     {'i',	nv_edit,	NV_NCH,			0},
329     {'j',	nv_down,	0,			FALSE},
330     {'k',	nv_up,		0,			FALSE},
331     {'l',	nv_right,	NV_RL,			0},
332     {'m',	nv_mark,	NV_NCH_NOP,		0},
333     {'n',	nv_next,	0,			0},
334     {'o',	nv_open,	0,			0},
335     {'p',	nv_put,		0,			0},
336     {'q',	nv_record,	NV_NCH,			0},
337     {'r',	nv_replace,	NV_NCH_NOP|NV_LANG,	0},
338     {'s',	nv_subst,	NV_KEEPREG,		0},
339     {'t',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
340     {'u',	nv_undo,	0,			0},
341     {'w',	nv_wordcmd,	0,			FALSE},
342     {'x',	nv_abbrev,	NV_KEEPREG,		0},
343     {'y',	nv_operator,	0,			0},
344     {'z',	nv_zet,		NV_NCH_ALW,		0},
345     {'{',	nv_findpar,	0,			BACKWARD},
346     {'|',	nv_pipe,	0,			0},
347     {'}',	nv_findpar,	0,			FORWARD},
348     {'~',	nv_tilde,	0,			0},
349 
350     /* pound sign */
351     {POUND,	nv_ident,	0,			0},
352 #ifdef FEAT_MOUSE
353     {K_MOUSEUP, nv_mousescroll,	0,			MSCR_UP},
354     {K_MOUSEDOWN, nv_mousescroll, 0,			MSCR_DOWN},
355     {K_MOUSELEFT, nv_mousescroll, 0,			MSCR_LEFT},
356     {K_MOUSERIGHT, nv_mousescroll, 0,			MSCR_RIGHT},
357     {K_LEFTMOUSE, nv_mouse,	0,			0},
358     {K_LEFTMOUSE_NM, nv_mouse,	0,			0},
359     {K_LEFTDRAG, nv_mouse,	0,			0},
360     {K_LEFTRELEASE, nv_mouse,	0,			0},
361     {K_LEFTRELEASE_NM, nv_mouse, 0,			0},
362     {K_MIDDLEMOUSE, nv_mouse,	0,			0},
363     {K_MIDDLEDRAG, nv_mouse,	0,			0},
364     {K_MIDDLERELEASE, nv_mouse,	0,			0},
365     {K_RIGHTMOUSE, nv_mouse,	0,			0},
366     {K_RIGHTDRAG, nv_mouse,	0,			0},
367     {K_RIGHTRELEASE, nv_mouse,	0,			0},
368     {K_X1MOUSE, nv_mouse,	0,			0},
369     {K_X1DRAG, nv_mouse,	0,			0},
370     {K_X1RELEASE, nv_mouse,	0,			0},
371     {K_X2MOUSE, nv_mouse,	0,			0},
372     {K_X2DRAG, nv_mouse,	0,			0},
373     {K_X2RELEASE, nv_mouse,	0,			0},
374 #endif
375     {K_IGNORE,	nv_ignore,	NV_KEEPREG,		0},
376     {K_NOP,	nv_nop,		0,			0},
377     {K_INS,	nv_edit,	0,			0},
378     {K_KINS,	nv_edit,	0,			0},
379     {K_BS,	nv_ctrlh,	0,			0},
380     {K_UP,	nv_up,		NV_SSS|NV_STS,		FALSE},
381     {K_S_UP,	nv_page,	NV_SS,			BACKWARD},
382     {K_DOWN,	nv_down,	NV_SSS|NV_STS,		FALSE},
383     {K_S_DOWN,	nv_page,	NV_SS,			FORWARD},
384     {K_LEFT,	nv_left,	NV_SSS|NV_STS|NV_RL,	0},
385     {K_S_LEFT,	nv_bck_word,	NV_SS|NV_RL,		0},
386     {K_C_LEFT,	nv_bck_word,	NV_SSS|NV_RL|NV_STS,	1},
387     {K_RIGHT,	nv_right,	NV_SSS|NV_STS|NV_RL,	0},
388     {K_S_RIGHT,	nv_wordcmd,	NV_SS|NV_RL,		FALSE},
389     {K_C_RIGHT,	nv_wordcmd,	NV_SSS|NV_RL|NV_STS,	TRUE},
390     {K_PAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
391     {K_KPAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
392     {K_PAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
393     {K_KPAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
394     {K_END,	nv_end,		NV_SSS|NV_STS,		FALSE},
395     {K_KEND,	nv_end,		NV_SSS|NV_STS,		FALSE},
396     {K_S_END,	nv_end,		NV_SS,			FALSE},
397     {K_C_END,	nv_end,		NV_SSS|NV_STS,		TRUE},
398     {K_HOME,	nv_home,	NV_SSS|NV_STS,		0},
399     {K_KHOME,	nv_home,	NV_SSS|NV_STS,		0},
400     {K_S_HOME,	nv_home,	NV_SS,			0},
401     {K_C_HOME,	nv_goto,	NV_SSS|NV_STS,		FALSE},
402     {K_DEL,	nv_abbrev,	0,			0},
403     {K_KDEL,	nv_abbrev,	0,			0},
404     {K_UNDO,	nv_kundo,	0,			0},
405     {K_HELP,	nv_help,	NV_NCW,			0},
406     {K_F1,	nv_help,	NV_NCW,			0},
407     {K_XF1,	nv_help,	NV_NCW,			0},
408     {K_SELECT,	nv_select,	0,			0},
409 #ifdef FEAT_GUI
410     {K_VER_SCROLLBAR, nv_ver_scrollbar, 0,		0},
411     {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0,		0},
412 #endif
413 #ifdef FEAT_GUI_TABLINE
414     {K_TABLINE, nv_tabline,	0,			0},
415     {K_TABMENU, nv_tabmenu,	0,			0},
416 #endif
417 #ifdef FEAT_FKMAP
418     {K_F8,	farsi_fkey,	0,			0},
419     {K_F9,	farsi_fkey,	0,			0},
420 #endif
421 #ifdef FEAT_SNIFF
422     {K_SNIFF,	nv_sniff,	0,			0},
423 #endif
424 #ifdef FEAT_NETBEANS_INTG
425     {K_F21,	nv_nbcmd,	NV_NCH_ALW,		0},
426 #endif
427 #ifdef FEAT_DND
428     {K_DROP,	nv_drop,	NV_STS,			0},
429 #endif
430 #ifdef FEAT_AUTOCMD
431     {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG,		0},
432 #endif
433 };
434 
435 /* Number of commands in nv_cmds[]. */
436 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
437 
438 /* Sorted index of commands in nv_cmds[]. */
439 static short nv_cmd_idx[NV_CMDS_SIZE];
440 
441 /* The highest index for which
442  * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
443 static int nv_max_linear;
444 
445 /*
446  * Compare functions for qsort() below, that checks the command character
447  * through the index in nv_cmd_idx[].
448  */
449     static int
450 #ifdef __BORLANDC__
451 _RTLENTRYF
452 #endif
453 nv_compare(s1, s2)
454     const void	*s1;
455     const void	*s2;
456 {
457     int		c1, c2;
458 
459     /* The commands are sorted on absolute value. */
460     c1 = nv_cmds[*(const short *)s1].cmd_char;
461     c2 = nv_cmds[*(const short *)s2].cmd_char;
462     if (c1 < 0)
463 	c1 = -c1;
464     if (c2 < 0)
465 	c2 = -c2;
466     return c1 - c2;
467 }
468 
469 /*
470  * Initialize the nv_cmd_idx[] table.
471  */
472     void
473 init_normal_cmds()
474 {
475     int		i;
476 
477     /* Fill the index table with a one to one relation. */
478     for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
479 	nv_cmd_idx[i] = i;
480 
481     /* Sort the commands by the command character.  */
482     qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
483 
484     /* Find the first entry that can't be indexed by the command character. */
485     for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
486 	if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
487 	    break;
488     nv_max_linear = i - 1;
489 }
490 
491 /*
492  * Search for a command in the commands table.
493  * Returns -1 for invalid command.
494  */
495     static int
496 find_command(cmdchar)
497     int		cmdchar;
498 {
499     int		i;
500     int		idx;
501     int		top, bot;
502     int		c;
503 
504 #ifdef FEAT_MBYTE
505     /* A multi-byte character is never a command. */
506     if (cmdchar >= 0x100)
507 	return -1;
508 #endif
509 
510     /* We use the absolute value of the character.  Special keys have a
511      * negative value, but are sorted on their absolute value. */
512     if (cmdchar < 0)
513 	cmdchar = -cmdchar;
514 
515     /* If the character is in the first part: The character is the index into
516      * nv_cmd_idx[]. */
517     if (cmdchar <= nv_max_linear)
518 	return nv_cmd_idx[cmdchar];
519 
520     /* Perform a binary search. */
521     bot = nv_max_linear + 1;
522     top = NV_CMDS_SIZE - 1;
523     idx = -1;
524     while (bot <= top)
525     {
526 	i = (top + bot) / 2;
527 	c = nv_cmds[nv_cmd_idx[i]].cmd_char;
528 	if (c < 0)
529 	    c = -c;
530 	if (cmdchar == c)
531 	{
532 	    idx = nv_cmd_idx[i];
533 	    break;
534 	}
535 	if (cmdchar > c)
536 	    bot = i + 1;
537 	else
538 	    top = i - 1;
539     }
540     return idx;
541 }
542 
543 /*
544  * Execute a command in Normal mode.
545  */
546     void
547 normal_cmd(oap, toplevel)
548     oparg_T	*oap;
549     int		toplevel UNUSED;	/* TRUE when called from main() */
550 {
551     cmdarg_T	ca;			/* command arguments */
552     int		c;
553     int		ctrl_w = FALSE;		/* got CTRL-W command */
554     int		old_col = curwin->w_curswant;
555 #ifdef FEAT_CMDL_INFO
556     int		need_flushbuf;		/* need to call out_flush() */
557 #endif
558     pos_T	old_pos;		/* cursor position before command */
559     int		mapped_len;
560     static int	old_mapped_len = 0;
561     int		idx;
562 #ifdef FEAT_EVAL
563     int		set_prevcount = FALSE;
564 #endif
565 
566     vim_memset(&ca, 0, sizeof(ca));	/* also resets ca.retval */
567     ca.oap = oap;
568 
569     /* Use a count remembered from before entering an operator.  After typing
570      * "3d" we return from normal_cmd() and come back here, the "3" is
571      * remembered in "opcount". */
572     ca.opcount = opcount;
573 
574 #ifdef FEAT_SNIFF
575     want_sniff_request = sniff_connected;
576 #endif
577 
578     /*
579      * If there is an operator pending, then the command we take this time
580      * will terminate it. Finish_op tells us to finish the operation before
581      * returning this time (unless the operation was cancelled).
582      */
583 #ifdef CURSOR_SHAPE
584     c = finish_op;
585 #endif
586     finish_op = (oap->op_type != OP_NOP);
587 #ifdef CURSOR_SHAPE
588     if (finish_op != c)
589     {
590 	ui_cursor_shape();		/* may show different cursor shape */
591 # ifdef FEAT_MOUSESHAPE
592 	update_mouseshape(-1);
593 # endif
594     }
595 #endif
596 
597     /* When not finishing an operator and no register name typed, reset the
598      * count. */
599     if (!finish_op && !oap->regname)
600     {
601 	ca.opcount = 0;
602 #ifdef FEAT_EVAL
603 	set_prevcount = TRUE;
604 #endif
605     }
606 
607 #ifdef FEAT_AUTOCMD
608     /* Restore counts from before receiving K_CURSORHOLD.  This means after
609      * typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not
610      * "3 * 2". */
611     if (oap->prev_opcount > 0 || oap->prev_count0 > 0)
612     {
613 	ca.opcount = oap->prev_opcount;
614 	ca.count0 = oap->prev_count0;
615 	oap->prev_opcount = 0;
616 	oap->prev_count0 = 0;
617     }
618 #endif
619 
620     mapped_len = typebuf_maplen();
621 
622     State = NORMAL_BUSY;
623 #ifdef USE_ON_FLY_SCROLL
624     dont_scroll = FALSE;	/* allow scrolling here */
625 #endif
626 
627 #ifdef FEAT_EVAL
628     /* Set v:count here, when called from main() and not a stuffed
629      * command, so that v:count can be used in an expression mapping
630      * when there is no count. Do set it for redo. */
631     if (toplevel && readbuf1_empty())
632 	set_vcount_ca(&ca, &set_prevcount);
633 #endif
634 
635     /*
636      * Get the command character from the user.
637      */
638     c = safe_vgetc();
639     LANGMAP_ADJUST(c, TRUE);
640 
641     /*
642      * If a mapping was started in Visual or Select mode, remember the length
643      * of the mapping.  This is used below to not return to Insert mode for as
644      * long as the mapping is being executed.
645      */
646     if (restart_edit == 0)
647 	old_mapped_len = 0;
648     else if (old_mapped_len
649 		|| (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
650 	old_mapped_len = typebuf_maplen();
651 
652     if (c == NUL)
653 	c = K_ZERO;
654 
655     /*
656      * In Select mode, typed text replaces the selection.
657      */
658     if (VIsual_active
659 	    && VIsual_select
660 	    && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
661     {
662 	/* Fake a "c"hange command.  When "restart_edit" is set (e.g., because
663 	 * 'insertmode' is set) fake a "d"elete command, Insert mode will
664 	 * restart automatically.
665 	 * Insert the typed character in the typeahead buffer, so that it can
666 	 * be mapped in Insert mode.  Required for ":lmap" to work. */
667 	ins_char_typebuf(c);
668 	if (restart_edit != 0)
669 	    c = 'd';
670 	else
671 	    c = 'c';
672 	msg_nowait = TRUE;	/* don't delay going to insert mode */
673 	old_mapped_len = 0;	/* do go to Insert mode */
674     }
675 
676 #ifdef FEAT_CMDL_INFO
677     need_flushbuf = add_to_showcmd(c);
678 #endif
679 
680 getcount:
681     if (!(VIsual_active && VIsual_select))
682     {
683 	/*
684 	 * Handle a count before a command and compute ca.count0.
685 	 * Note that '0' is a command and not the start of a count, but it's
686 	 * part of a count after other digits.
687 	 */
688 	while (    (c >= '1' && c <= '9')
689 		|| (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
690 	{
691 	    if (c == K_DEL || c == K_KDEL)
692 	    {
693 		ca.count0 /= 10;
694 #ifdef FEAT_CMDL_INFO
695 		del_from_showcmd(4);	/* delete the digit and ~@% */
696 #endif
697 	    }
698 	    else
699 		ca.count0 = ca.count0 * 10 + (c - '0');
700 	    if (ca.count0 < 0)	    /* got too large! */
701 		ca.count0 = 999999999L;
702 #ifdef FEAT_EVAL
703 	    /* Set v:count here, when called from main() and not a stuffed
704 	     * command, so that v:count can be used in an expression mapping
705 	     * right after the count. Do set it for redo. */
706 	    if (toplevel && readbuf1_empty())
707 		set_vcount_ca(&ca, &set_prevcount);
708 #endif
709 	    if (ctrl_w)
710 	    {
711 		++no_mapping;
712 		++allow_keys;		/* no mapping for nchar, but keys */
713 	    }
714 	    ++no_zero_mapping;		/* don't map zero here */
715 	    c = plain_vgetc();
716 	    LANGMAP_ADJUST(c, TRUE);
717 	    --no_zero_mapping;
718 	    if (ctrl_w)
719 	    {
720 		--no_mapping;
721 		--allow_keys;
722 	    }
723 #ifdef FEAT_CMDL_INFO
724 	    need_flushbuf |= add_to_showcmd(c);
725 #endif
726 	}
727 
728 	/*
729 	 * If we got CTRL-W there may be a/another count
730 	 */
731 	if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
732 	{
733 	    ctrl_w = TRUE;
734 	    ca.opcount = ca.count0;	/* remember first count */
735 	    ca.count0 = 0;
736 	    ++no_mapping;
737 	    ++allow_keys;		/* no mapping for nchar, but keys */
738 	    c = plain_vgetc();		/* get next character */
739 	    LANGMAP_ADJUST(c, TRUE);
740 	    --no_mapping;
741 	    --allow_keys;
742 #ifdef FEAT_CMDL_INFO
743 	    need_flushbuf |= add_to_showcmd(c);
744 #endif
745 	    goto getcount;		/* jump back */
746 	}
747     }
748 
749 #ifdef FEAT_AUTOCMD
750     if (c == K_CURSORHOLD)
751     {
752 	/* Save the count values so that ca.opcount and ca.count0 are exactly
753 	 * the same when coming back here after handling K_CURSORHOLD. */
754 	oap->prev_opcount = ca.opcount;
755 	oap->prev_count0 = ca.count0;
756     }
757     else
758 #endif
759 	if (ca.opcount != 0)
760     {
761 	/*
762 	 * If we're in the middle of an operator (including after entering a
763 	 * yank buffer with '"') AND we had a count before the operator, then
764 	 * that count overrides the current value of ca.count0.
765 	 * What this means effectively, is that commands like "3dw" get turned
766 	 * into "d3w" which makes things fall into place pretty neatly.
767 	 * If you give a count before AND after the operator, they are
768 	 * multiplied.
769 	 */
770 	if (ca.count0)
771 	    ca.count0 *= ca.opcount;
772 	else
773 	    ca.count0 = ca.opcount;
774     }
775 
776     /*
777      * Always remember the count.  It will be set to zero (on the next call,
778      * above) when there is no pending operator.
779      * When called from main(), save the count for use by the "count" built-in
780      * variable.
781      */
782     ca.opcount = ca.count0;
783     ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
784 
785 #ifdef FEAT_EVAL
786     /*
787      * Only set v:count when called from main() and not a stuffed command.
788      * Do set it for redo.
789      */
790     if (toplevel && readbuf1_empty())
791 	set_vcount(ca.count0, ca.count1, set_prevcount);
792 #endif
793 
794     /*
795      * Find the command character in the table of commands.
796      * For CTRL-W we already got nchar when looking for a count.
797      */
798     if (ctrl_w)
799     {
800 	ca.nchar = c;
801 	ca.cmdchar = Ctrl_W;
802     }
803     else
804 	ca.cmdchar = c;
805     idx = find_command(ca.cmdchar);
806     if (idx < 0)
807     {
808 	/* Not a known command: beep. */
809 	clearopbeep(oap);
810 	goto normal_end;
811     }
812 
813     if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
814     {
815 	/* This command is not allowed while editing a cmdline: beep. */
816 	clearopbeep(oap);
817 	text_locked_msg();
818 	goto normal_end;
819     }
820 #ifdef FEAT_AUTOCMD
821     if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
822 	goto normal_end;
823 #endif
824 
825     /*
826      * In Visual/Select mode, a few keys are handled in a special way.
827      */
828     if (VIsual_active)
829     {
830 	/* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
831 	if (km_stopsel
832 		&& (nv_cmds[idx].cmd_flags & NV_STS)
833 		&& !(mod_mask & MOD_MASK_SHIFT))
834 	{
835 	    end_visual_mode();
836 	    redraw_curbuf_later(INVERTED);
837 	}
838 
839 	/* Keys that work different when 'keymodel' contains "startsel" */
840 	if (km_startsel)
841 	{
842 	    if (nv_cmds[idx].cmd_flags & NV_SS)
843 	    {
844 		unshift_special(&ca);
845 		idx = find_command(ca.cmdchar);
846 		if (idx < 0)
847 		{
848 		    /* Just in case */
849 		    clearopbeep(oap);
850 		    goto normal_end;
851 		}
852 	    }
853 	    else if ((nv_cmds[idx].cmd_flags & NV_SSS)
854 					       && (mod_mask & MOD_MASK_SHIFT))
855 	    {
856 		mod_mask &= ~MOD_MASK_SHIFT;
857 	    }
858 	}
859     }
860 
861 #ifdef FEAT_RIGHTLEFT
862     if (curwin->w_p_rl && KeyTyped && !KeyStuffed
863 					  && (nv_cmds[idx].cmd_flags & NV_RL))
864     {
865 	/* Invert horizontal movements and operations.  Only when typed by the
866 	 * user directly, not when the result of a mapping or "x" translated
867 	 * to "dl". */
868 	switch (ca.cmdchar)
869 	{
870 	    case 'l':	    ca.cmdchar = 'h'; break;
871 	    case K_RIGHT:   ca.cmdchar = K_LEFT; break;
872 	    case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
873 	    case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
874 	    case 'h':	    ca.cmdchar = 'l'; break;
875 	    case K_LEFT:    ca.cmdchar = K_RIGHT; break;
876 	    case K_S_LEFT:  ca.cmdchar = K_S_RIGHT; break;
877 	    case K_C_LEFT:  ca.cmdchar = K_C_RIGHT; break;
878 	    case '>':	    ca.cmdchar = '<'; break;
879 	    case '<':	    ca.cmdchar = '>'; break;
880 	}
881 	idx = find_command(ca.cmdchar);
882     }
883 #endif
884 
885     /*
886      * Get an additional character if we need one.
887      */
888     if ((nv_cmds[idx].cmd_flags & NV_NCH)
889 	    && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
890 		    && oap->op_type == OP_NOP)
891 		|| (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
892 		|| (ca.cmdchar == 'q'
893 		    && oap->op_type == OP_NOP
894 		    && !Recording
895 		    && !Exec_reg)
896 		|| ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
897 		    && (oap->op_type != OP_NOP || VIsual_active))))
898     {
899 	int	*cp;
900 	int	repl = FALSE;	/* get character for replace mode */
901 	int	lit = FALSE;	/* get extra character literally */
902 	int	langmap_active = FALSE;    /* using :lmap mappings */
903 	int	lang;		/* getting a text character */
904 #ifdef USE_IM_CONTROL
905 	int	save_smd;	/* saved value of p_smd */
906 #endif
907 
908 	++no_mapping;
909 	++allow_keys;		/* no mapping for nchar, but allow key codes */
910 #ifdef FEAT_AUTOCMD
911 	/* Don't generate a CursorHold event here, most commands can't handle
912 	 * it, e.g., nv_replace(), nv_csearch(). */
913 	did_cursorhold = TRUE;
914 #endif
915 	if (ca.cmdchar == 'g')
916 	{
917 	    /*
918 	     * For 'g' get the next character now, so that we can check for
919 	     * "gr", "g'" and "g`".
920 	     */
921 	    ca.nchar = plain_vgetc();
922 	    LANGMAP_ADJUST(ca.nchar, TRUE);
923 #ifdef FEAT_CMDL_INFO
924 	    need_flushbuf |= add_to_showcmd(ca.nchar);
925 #endif
926 	    if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
927 						       || ca.nchar == Ctrl_BSL)
928 	    {
929 		cp = &ca.extra_char;	/* need to get a third character */
930 		if (ca.nchar != 'r')
931 		    lit = TRUE;			/* get it literally */
932 		else
933 		    repl = TRUE;		/* get it in replace mode */
934 	    }
935 	    else
936 		cp = NULL;		/* no third character needed */
937 	}
938 	else
939 	{
940 	    if (ca.cmdchar == 'r')		/* get it in replace mode */
941 		repl = TRUE;
942 	    cp = &ca.nchar;
943 	}
944 	lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
945 
946 	/*
947 	 * Get a second or third character.
948 	 */
949 	if (cp != NULL)
950 	{
951 #ifdef CURSOR_SHAPE
952 	    if (repl)
953 	    {
954 		State = REPLACE;	/* pretend Replace mode */
955 		ui_cursor_shape();	/* show different cursor shape */
956 	    }
957 #endif
958 	    if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
959 	    {
960 		/* Allow mappings defined with ":lmap". */
961 		--no_mapping;
962 		--allow_keys;
963 		if (repl)
964 		    State = LREPLACE;
965 		else
966 		    State = LANGMAP;
967 		langmap_active = TRUE;
968 	    }
969 #ifdef USE_IM_CONTROL
970 	    save_smd = p_smd;
971 	    p_smd = FALSE;	/* Don't let the IM code show the mode here */
972 	    if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
973 		im_set_active(TRUE);
974 #endif
975 
976 	    *cp = plain_vgetc();
977 
978 	    if (langmap_active)
979 	    {
980 		/* Undo the decrement done above */
981 		++no_mapping;
982 		++allow_keys;
983 		State = NORMAL_BUSY;
984 	    }
985 #ifdef USE_IM_CONTROL
986 	    if (lang)
987 	    {
988 		if (curbuf->b_p_iminsert != B_IMODE_LMAP)
989 		    im_save_status(&curbuf->b_p_iminsert);
990 		im_set_active(FALSE);
991 	    }
992 	    p_smd = save_smd;
993 #endif
994 #ifdef CURSOR_SHAPE
995 	    State = NORMAL_BUSY;
996 #endif
997 #ifdef FEAT_CMDL_INFO
998 	    need_flushbuf |= add_to_showcmd(*cp);
999 #endif
1000 
1001 	    if (!lit)
1002 	    {
1003 #ifdef FEAT_DIGRAPHS
1004 		/* Typing CTRL-K gets a digraph. */
1005 		if (*cp == Ctrl_K
1006 			&& ((nv_cmds[idx].cmd_flags & NV_LANG)
1007 			    || cp == &ca.extra_char)
1008 			&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
1009 		{
1010 		    c = get_digraph(FALSE);
1011 		    if (c > 0)
1012 		    {
1013 			*cp = c;
1014 # ifdef FEAT_CMDL_INFO
1015 			/* Guessing how to update showcmd here... */
1016 			del_from_showcmd(3);
1017 			need_flushbuf |= add_to_showcmd(*cp);
1018 # endif
1019 		    }
1020 		}
1021 #endif
1022 
1023 		/* adjust chars > 127, except after "tTfFr" commands */
1024 		LANGMAP_ADJUST(*cp, !lang);
1025 #ifdef FEAT_RIGHTLEFT
1026 		/* adjust Hebrew mapped char */
1027 		if (p_hkmap && lang && KeyTyped)
1028 		    *cp = hkmap(*cp);
1029 # ifdef FEAT_FKMAP
1030 		/* adjust Farsi mapped char */
1031 		if (p_fkmap && lang && KeyTyped)
1032 		    *cp = fkmap(*cp);
1033 # endif
1034 #endif
1035 	    }
1036 
1037 	    /*
1038 	     * When the next character is CTRL-\ a following CTRL-N means the
1039 	     * command is aborted and we go to Normal mode.
1040 	     */
1041 	    if (cp == &ca.extra_char
1042 		    && ca.nchar == Ctrl_BSL
1043 		    && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1044 	    {
1045 		ca.cmdchar = Ctrl_BSL;
1046 		ca.nchar = ca.extra_char;
1047 		idx = find_command(ca.cmdchar);
1048 	    }
1049 	    else if ((ca.nchar == 'n' || ca.nchar == 'N') && ca.cmdchar == 'g')
1050 		ca.oap->op_type = get_op_type(*cp, NUL);
1051 	    else if (*cp == Ctrl_BSL)
1052 	    {
1053 		long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1054 
1055 		/* There is a busy wait here when typing "f<C-\>" and then
1056 		 * something different from CTRL-N.  Can't be avoided. */
1057 		while ((c = vpeekc()) <= 0 && towait > 0L)
1058 		{
1059 		    do_sleep(towait > 50L ? 50L : towait);
1060 		    towait -= 50L;
1061 		}
1062 		if (c > 0)
1063 		{
1064 		    c = plain_vgetc();
1065 		    if (c != Ctrl_N && c != Ctrl_G)
1066 			vungetc(c);
1067 		    else
1068 		    {
1069 			ca.cmdchar = Ctrl_BSL;
1070 			ca.nchar = c;
1071 			idx = find_command(ca.cmdchar);
1072 		    }
1073 		}
1074 	    }
1075 
1076 #ifdef FEAT_MBYTE
1077 	    /* When getting a text character and the next character is a
1078 	     * multi-byte character, it could be a composing character.
1079 	     * However, don't wait for it to arrive. Also, do enable mapping,
1080 	     * because if it's put back with vungetc() it's too late to apply
1081 	     * mapping. */
1082 	    --no_mapping;
1083 	    while (enc_utf8 && lang && (c = vpeekc()) > 0
1084 				 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1085 	    {
1086 		c = plain_vgetc();
1087 		if (!utf_iscomposing(c))
1088 		{
1089 		    vungetc(c);		/* it wasn't, put it back */
1090 		    break;
1091 		}
1092 		else if (ca.ncharC1 == 0)
1093 		    ca.ncharC1 = c;
1094 		else
1095 		    ca.ncharC2 = c;
1096 	    }
1097 	    ++no_mapping;
1098 #endif
1099 	}
1100 	--no_mapping;
1101 	--allow_keys;
1102     }
1103 
1104 #ifdef FEAT_CMDL_INFO
1105     /*
1106      * Flush the showcmd characters onto the screen so we can see them while
1107      * the command is being executed.  Only do this when the shown command was
1108      * actually displayed, otherwise this will slow down a lot when executing
1109      * mappings.
1110      */
1111     if (need_flushbuf)
1112 	out_flush();
1113 #endif
1114 #ifdef FEAT_AUTOCMD
1115     if (ca.cmdchar != K_IGNORE)
1116 	did_cursorhold = FALSE;
1117 #endif
1118 
1119     State = NORMAL;
1120 
1121     if (ca.nchar == ESC)
1122     {
1123 	clearop(oap);
1124 	if (restart_edit == 0 && goto_im())
1125 	    restart_edit = 'a';
1126 	goto normal_end;
1127     }
1128 
1129     if (ca.cmdchar != K_IGNORE)
1130     {
1131 	msg_didout = FALSE;    /* don't scroll screen up for normal command */
1132 	msg_col = 0;
1133     }
1134 
1135     old_pos = curwin->w_cursor;		/* remember where cursor was */
1136 
1137     /* When 'keymodel' contains "startsel" some keys start Select/Visual
1138      * mode. */
1139     if (!VIsual_active && km_startsel)
1140     {
1141 	if (nv_cmds[idx].cmd_flags & NV_SS)
1142 	{
1143 	    start_selection();
1144 	    unshift_special(&ca);
1145 	    idx = find_command(ca.cmdchar);
1146 	}
1147 	else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1148 					   && (mod_mask & MOD_MASK_SHIFT))
1149 	{
1150 	    start_selection();
1151 	    mod_mask &= ~MOD_MASK_SHIFT;
1152 	}
1153     }
1154 
1155     /*
1156      * Execute the command!
1157      * Call the command function found in the commands table.
1158      */
1159     ca.arg = nv_cmds[idx].cmd_arg;
1160     (nv_cmds[idx].cmd_func)(&ca);
1161 
1162     /*
1163      * If we didn't start or finish an operator, reset oap->regname, unless we
1164      * need it later.
1165      */
1166     if (!finish_op
1167 	    && !oap->op_type
1168 	    && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1169     {
1170 	clearop(oap);
1171 #ifdef FEAT_EVAL
1172 	{
1173 	    int regname = 0;
1174 
1175 	    /* Adjust the register according to 'clipboard', so that when
1176 	     * "unnamed" is present it becomes '*' or '+' instead of '"'. */
1177 # ifdef FEAT_CLIPBOARD
1178 	    adjust_clip_reg(&regname);
1179 # endif
1180 	    set_reg_var(regname);
1181 	}
1182 #endif
1183     }
1184 
1185     /* Get the length of mapped chars again after typing a count, second
1186      * character or "z333<cr>". */
1187     if (old_mapped_len > 0)
1188 	old_mapped_len = typebuf_maplen();
1189 
1190     /*
1191      * If an operation is pending, handle it...
1192      */
1193     do_pending_operator(&ca, old_col, FALSE);
1194 
1195     /*
1196      * Wait for a moment when a message is displayed that will be overwritten
1197      * by the mode message.
1198      * In Visual mode and with "^O" in Insert mode, a short message will be
1199      * overwritten by the mode message.  Wait a bit, until a key is hit.
1200      * In Visual mode, it's more important to keep the Visual area updated
1201      * than keeping a message (e.g. from a /pat search).
1202      * Only do this if the command was typed, not from a mapping.
1203      * Don't wait when emsg_silent is non-zero.
1204      * Also wait a bit after an error message, e.g. for "^O:".
1205      * Don't redraw the screen, it would remove the message.
1206      */
1207     if (       ((p_smd
1208 		    && msg_silent == 0
1209 		    && (restart_edit != 0
1210 			|| (VIsual_active
1211 			    && old_pos.lnum == curwin->w_cursor.lnum
1212 			    && old_pos.col == curwin->w_cursor.col)
1213 		       )
1214 		    && (clear_cmdline
1215 			|| redraw_cmdline)
1216 		    && (msg_didout || (msg_didany && msg_scroll))
1217 		    && !msg_nowait
1218 		    && KeyTyped)
1219 		|| (restart_edit != 0
1220 		    && !VIsual_active
1221 		    && (msg_scroll
1222 			|| emsg_on_display)))
1223 	    && oap->regname == 0
1224 	    && !(ca.retval & CA_COMMAND_BUSY)
1225 	    && stuff_empty()
1226 	    && typebuf_typed()
1227 	    && emsg_silent == 0
1228 	    && !did_wait_return
1229 	    && oap->op_type == OP_NOP)
1230     {
1231 	int	save_State = State;
1232 
1233 	/* Draw the cursor with the right shape here */
1234 	if (restart_edit != 0)
1235 	    State = INSERT;
1236 
1237 	/* If need to redraw, and there is a "keep_msg", redraw before the
1238 	 * delay */
1239 	if (must_redraw && keep_msg != NULL && !emsg_on_display)
1240 	{
1241 	    char_u	*kmsg;
1242 
1243 	    kmsg = keep_msg;
1244 	    keep_msg = NULL;
1245 	    /* showmode() will clear keep_msg, but we want to use it anyway */
1246 	    update_screen(0);
1247 	    /* now reset it, otherwise it's put in the history again */
1248 	    keep_msg = kmsg;
1249 	    msg_attr(kmsg, keep_msg_attr);
1250 	    vim_free(kmsg);
1251 	}
1252 	setcursor();
1253 	cursor_on();
1254 	out_flush();
1255 	if (msg_scroll || emsg_on_display)
1256 	    ui_delay(1000L, TRUE);	/* wait at least one second */
1257 	ui_delay(3000L, FALSE);		/* wait up to three seconds */
1258 	State = save_State;
1259 
1260 	msg_scroll = FALSE;
1261 	emsg_on_display = FALSE;
1262     }
1263 
1264     /*
1265      * Finish up after executing a Normal mode command.
1266      */
1267 normal_end:
1268 
1269     msg_nowait = FALSE;
1270 
1271     /* Reset finish_op, in case it was set */
1272 #ifdef CURSOR_SHAPE
1273     c = finish_op;
1274 #endif
1275     finish_op = FALSE;
1276 #ifdef CURSOR_SHAPE
1277     /* Redraw the cursor with another shape, if we were in Operator-pending
1278      * mode or did a replace command. */
1279     if (c || ca.cmdchar == 'r')
1280     {
1281 	ui_cursor_shape();		/* may show different cursor shape */
1282 # ifdef FEAT_MOUSESHAPE
1283 	update_mouseshape(-1);
1284 # endif
1285     }
1286 #endif
1287 
1288 #ifdef FEAT_CMDL_INFO
1289     if (oap->op_type == OP_NOP && oap->regname == 0
1290 # ifdef FEAT_AUTOCMD
1291 	    && ca.cmdchar != K_CURSORHOLD
1292 # endif
1293 	    )
1294 	clear_showcmd();
1295 #endif
1296 
1297     checkpcmark();		/* check if we moved since setting pcmark */
1298     vim_free(ca.searchbuf);
1299 
1300 #ifdef FEAT_MBYTE
1301     if (has_mbyte)
1302 	mb_adjust_cursor();
1303 #endif
1304 
1305 #ifdef FEAT_SCROLLBIND
1306     if (curwin->w_p_scb && toplevel)
1307     {
1308 	validate_cursor();	/* may need to update w_leftcol */
1309 	do_check_scrollbind(TRUE);
1310     }
1311 #endif
1312 
1313 #ifdef FEAT_CURSORBIND
1314     if (curwin->w_p_crb && toplevel)
1315     {
1316 	validate_cursor();	/* may need to update w_leftcol */
1317 	do_check_cursorbind();
1318     }
1319 #endif
1320 
1321     /*
1322      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1323      * if still inside a mapping that started in Visual mode).
1324      * May switch from Visual to Select mode after CTRL-O command.
1325      */
1326     if (       oap->op_type == OP_NOP
1327 	    && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1328 		|| restart_VIsual_select == 1)
1329 	    && !(ca.retval & CA_COMMAND_BUSY)
1330 	    && stuff_empty()
1331 	    && oap->regname == 0)
1332     {
1333 	if (restart_VIsual_select == 1)
1334 	{
1335 	    VIsual_select = TRUE;
1336 	    showmode();
1337 	    restart_VIsual_select = 0;
1338 	}
1339 	if (restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1340 	    (void)edit(restart_edit, FALSE, 1L);
1341     }
1342 
1343     if (restart_VIsual_select == 2)
1344 	restart_VIsual_select = 1;
1345 
1346     /* Save count before an operator for next time. */
1347     opcount = ca.opcount;
1348 }
1349 
1350 #ifdef FEAT_EVAL
1351 /*
1352  * Set v:count and v:count1 according to "cap".
1353  * Set v:prevcount only when "set_prevcount" is TRUE.
1354  */
1355     static void
1356 set_vcount_ca(cap, set_prevcount)
1357     cmdarg_T	*cap;
1358     int		*set_prevcount;
1359 {
1360     long count = cap->count0;
1361 
1362     /* multiply with cap->opcount the same way as above */
1363     if (cap->opcount != 0)
1364 	count = cap->opcount * (count == 0 ? 1 : count);
1365     set_vcount(count, count == 0 ? 1 : count, *set_prevcount);
1366     *set_prevcount = FALSE;  /* only set v:prevcount once */
1367 }
1368 #endif
1369 
1370 /*
1371  * Handle an operator after visual mode or when the movement is finished
1372  */
1373     void
1374 do_pending_operator(cap, old_col, gui_yank)
1375     cmdarg_T	*cap;
1376     int		old_col;
1377     int		gui_yank;
1378 {
1379     oparg_T	*oap = cap->oap;
1380     pos_T	old_cursor;
1381     int		empty_region_error;
1382     int		restart_edit_save;
1383 
1384     /* The visual area is remembered for redo */
1385     static int	    redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1386     static linenr_T redo_VIsual_line_count; /* number of lines */
1387     static colnr_T  redo_VIsual_vcol;	    /* number of cols or end column */
1388     static long	    redo_VIsual_count;	    /* count for Visual operator */
1389 #ifdef FEAT_VIRTUALEDIT
1390     int		    include_line_break = FALSE;
1391 #endif
1392 
1393 #if defined(FEAT_CLIPBOARD)
1394     /*
1395      * Yank the visual area into the GUI selection register before we operate
1396      * on it and lose it forever.
1397      * Don't do it if a specific register was specified, so that ""x"*P works.
1398      * This could call do_pending_operator() recursively, but that's OK
1399      * because gui_yank will be TRUE for the nested call.
1400      */
1401     if ((clip_star.available || clip_plus.available)
1402 	    && oap->op_type != OP_NOP
1403 	    && !gui_yank
1404 	    && VIsual_active
1405 	    && !redo_VIsual_busy
1406 	    && oap->regname == 0)
1407 	clip_auto_select();
1408 #endif
1409     old_cursor = curwin->w_cursor;
1410 
1411     /*
1412      * If an operation is pending, handle it...
1413      */
1414     if ((finish_op || VIsual_active) && oap->op_type != OP_NOP)
1415     {
1416 	oap->is_VIsual = VIsual_active;
1417 	if (oap->motion_force == 'V')
1418 	    oap->motion_type = MLINE;
1419 	else if (oap->motion_force == 'v')
1420 	{
1421 	    /* If the motion was linewise, "inclusive" will not have been set.
1422 	     * Use "exclusive" to be consistent.  Makes "dvj" work nice. */
1423 	    if (oap->motion_type == MLINE)
1424 		oap->inclusive = FALSE;
1425 	    /* If the motion already was characterwise, toggle "inclusive" */
1426 	    else if (oap->motion_type == MCHAR)
1427 		oap->inclusive = !oap->inclusive;
1428 	    oap->motion_type = MCHAR;
1429 	}
1430 	else if (oap->motion_force == Ctrl_V)
1431 	{
1432 	    /* Change line- or characterwise motion into Visual block mode. */
1433 	    VIsual_active = TRUE;
1434 	    VIsual = oap->start;
1435 	    VIsual_mode = Ctrl_V;
1436 	    VIsual_select = FALSE;
1437 	    VIsual_reselect = FALSE;
1438 	}
1439 
1440 	/* Only redo yank when 'y' flag is in 'cpoptions'. */
1441 	/* Never redo "zf" (define fold). */
1442 	if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1443 		&& ((!VIsual_active || oap->motion_force)
1444 		    /* Also redo Operator-pending Visual mode mappings */
1445 		    || (VIsual_active && cap->cmdchar == ':'
1446 						 && oap->op_type != OP_COLON))
1447 		&& cap->cmdchar != 'D'
1448 #ifdef FEAT_FOLDING
1449 		&& oap->op_type != OP_FOLD
1450 		&& oap->op_type != OP_FOLDOPEN
1451 		&& oap->op_type != OP_FOLDOPENREC
1452 		&& oap->op_type != OP_FOLDCLOSE
1453 		&& oap->op_type != OP_FOLDCLOSEREC
1454 		&& oap->op_type != OP_FOLDDEL
1455 		&& oap->op_type != OP_FOLDDELREC
1456 #endif
1457 		)
1458 	{
1459 	    prep_redo(oap->regname, cap->count0,
1460 		    get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1461 		    oap->motion_force, cap->cmdchar, cap->nchar);
1462 	    if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1463 	    {
1464 		/*
1465 		 * If 'cpoptions' does not contain 'r', insert the search
1466 		 * pattern to really repeat the same command.
1467 		 */
1468 		if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1469 		    AppendToRedobuffLit(cap->searchbuf, -1);
1470 		AppendToRedobuff(NL_STR);
1471 	    }
1472 	    else if (cap->cmdchar == ':')
1473 	    {
1474 		/* do_cmdline() has stored the first typed line in
1475 		 * "repeat_cmdline".  When several lines are typed repeating
1476 		 * won't be possible. */
1477 		if (repeat_cmdline == NULL)
1478 		    ResetRedobuff();
1479 		else
1480 		{
1481 		    AppendToRedobuffLit(repeat_cmdline, -1);
1482 		    AppendToRedobuff(NL_STR);
1483 		    vim_free(repeat_cmdline);
1484 		    repeat_cmdline = NULL;
1485 		}
1486 	    }
1487 	}
1488 
1489 	if (redo_VIsual_busy)
1490 	{
1491 	    /* Redo of an operation on a Visual area. Use the same size from
1492 	     * redo_VIsual_line_count and redo_VIsual_vcol. */
1493 	    oap->start = curwin->w_cursor;
1494 	    curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1495 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1496 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1497 	    VIsual_mode = redo_VIsual_mode;
1498 	    if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v')
1499 	    {
1500 		if (VIsual_mode == 'v')
1501 		{
1502 		    if (redo_VIsual_line_count <= 1)
1503 		    {
1504 			validate_virtcol();
1505 			curwin->w_curswant =
1506 				     curwin->w_virtcol + redo_VIsual_vcol - 1;
1507 		    }
1508 		    else
1509 			curwin->w_curswant = redo_VIsual_vcol;
1510 		}
1511 		else
1512 		{
1513 		    curwin->w_curswant = MAXCOL;
1514 		}
1515 		coladvance(curwin->w_curswant);
1516 	    }
1517 	    cap->count0 = redo_VIsual_count;
1518 	    if (redo_VIsual_count != 0)
1519 		cap->count1 = redo_VIsual_count;
1520 	    else
1521 		cap->count1 = 1;
1522 	}
1523 	else if (VIsual_active)
1524 	{
1525 	    if (!gui_yank)
1526 	    {
1527 		/* Save the current VIsual area for '< and '> marks, and "gv" */
1528 		curbuf->b_visual.vi_start = VIsual;
1529 		curbuf->b_visual.vi_end = curwin->w_cursor;
1530 		curbuf->b_visual.vi_mode = VIsual_mode;
1531 		if (VIsual_mode_orig != NUL)
1532 		{
1533 		    curbuf->b_visual.vi_mode = VIsual_mode_orig;
1534 		    VIsual_mode_orig = NUL;
1535 		}
1536 		curbuf->b_visual.vi_curswant = curwin->w_curswant;
1537 # ifdef FEAT_EVAL
1538 		curbuf->b_visual_mode_eval = VIsual_mode;
1539 # endif
1540 	    }
1541 
1542 	    /* In Select mode, a linewise selection is operated upon like a
1543 	     * characterwise selection. */
1544 	    if (VIsual_select && VIsual_mode == 'V')
1545 	    {
1546 		if (lt(VIsual, curwin->w_cursor))
1547 		{
1548 		    VIsual.col = 0;
1549 		    curwin->w_cursor.col =
1550 			       (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1551 		}
1552 		else
1553 		{
1554 		    curwin->w_cursor.col = 0;
1555 		    VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1556 		}
1557 		VIsual_mode = 'v';
1558 	    }
1559 	    /* If 'selection' is "exclusive", backup one character for
1560 	     * charwise selections. */
1561 	    else if (VIsual_mode == 'v')
1562 	    {
1563 # ifdef FEAT_VIRTUALEDIT
1564 		include_line_break =
1565 # endif
1566 		    unadjust_for_sel();
1567 	    }
1568 
1569 	    oap->start = VIsual;
1570 	    if (VIsual_mode == 'V')
1571 		oap->start.col = 0;
1572 	}
1573 
1574 	/*
1575 	 * Set oap->start to the first position of the operated text, oap->end
1576 	 * to the end of the operated text.  w_cursor is equal to oap->start.
1577 	 */
1578 	if (lt(oap->start, curwin->w_cursor))
1579 	{
1580 #ifdef FEAT_FOLDING
1581 	    /* Include folded lines completely. */
1582 	    if (!VIsual_active)
1583 	    {
1584 		if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1585 		    oap->start.col = 0;
1586 		if (hasFolding(curwin->w_cursor.lnum, NULL,
1587 						      &curwin->w_cursor.lnum))
1588 		    curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1589 	    }
1590 #endif
1591 	    oap->end = curwin->w_cursor;
1592 	    curwin->w_cursor = oap->start;
1593 
1594 	    /* w_virtcol may have been updated; if the cursor goes back to its
1595 	     * previous position w_virtcol becomes invalid and isn't updated
1596 	     * automatically. */
1597 	    curwin->w_valid &= ~VALID_VIRTCOL;
1598 	}
1599 	else
1600 	{
1601 #ifdef FEAT_FOLDING
1602 	    /* Include folded lines completely. */
1603 	    if (!VIsual_active && oap->motion_type == MLINE)
1604 	    {
1605 		if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1606 									NULL))
1607 		    curwin->w_cursor.col = 0;
1608 		if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1609 		    oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1610 	    }
1611 #endif
1612 	    oap->end = oap->start;
1613 	    oap->start = curwin->w_cursor;
1614 	}
1615 
1616 	oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1617 
1618 #ifdef FEAT_VIRTUALEDIT
1619 	/* Set "virtual_op" before resetting VIsual_active. */
1620 	virtual_op = virtual_active();
1621 #endif
1622 
1623 	if (VIsual_active || redo_VIsual_busy)
1624 	{
1625 	    if (VIsual_mode == Ctrl_V)	/* block mode */
1626 	    {
1627 		colnr_T	    start, end;
1628 
1629 		oap->block_mode = TRUE;
1630 
1631 		getvvcol(curwin, &(oap->start),
1632 				      &oap->start_vcol, NULL, &oap->end_vcol);
1633 		if (!redo_VIsual_busy)
1634 		{
1635 		    getvvcol(curwin, &(oap->end), &start, NULL, &end);
1636 
1637 		    if (start < oap->start_vcol)
1638 			oap->start_vcol = start;
1639 		    if (end > oap->end_vcol)
1640 		    {
1641 			if (*p_sel == 'e' && start >= 1
1642 						&& start - 1 >= oap->end_vcol)
1643 			    oap->end_vcol = start - 1;
1644 			else
1645 			    oap->end_vcol = end;
1646 		    }
1647 		}
1648 
1649 		/* if '$' was used, get oap->end_vcol from longest line */
1650 		if (curwin->w_curswant == MAXCOL)
1651 		{
1652 		    curwin->w_cursor.col = MAXCOL;
1653 		    oap->end_vcol = 0;
1654 		    for (curwin->w_cursor.lnum = oap->start.lnum;
1655 			    curwin->w_cursor.lnum <= oap->end.lnum;
1656 						      ++curwin->w_cursor.lnum)
1657 		    {
1658 			getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1659 			if (end > oap->end_vcol)
1660 			    oap->end_vcol = end;
1661 		    }
1662 		}
1663 		else if (redo_VIsual_busy)
1664 		    oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1;
1665 		/*
1666 		 * Correct oap->end.col and oap->start.col to be the
1667 		 * upper-left and lower-right corner of the block area.
1668 		 *
1669 		 * (Actually, this does convert column positions into character
1670 		 * positions)
1671 		 */
1672 		curwin->w_cursor.lnum = oap->end.lnum;
1673 		coladvance(oap->end_vcol);
1674 		oap->end = curwin->w_cursor;
1675 
1676 		curwin->w_cursor = oap->start;
1677 		coladvance(oap->start_vcol);
1678 		oap->start = curwin->w_cursor;
1679 	    }
1680 
1681 	    if (!redo_VIsual_busy && !gui_yank)
1682 	    {
1683 		/*
1684 		 * Prepare to reselect and redo Visual: this is based on the
1685 		 * size of the Visual text
1686 		 */
1687 		resel_VIsual_mode = VIsual_mode;
1688 		if (curwin->w_curswant == MAXCOL)
1689 		    resel_VIsual_vcol = MAXCOL;
1690 		else
1691 		{
1692 		    if (VIsual_mode != Ctrl_V)
1693 			getvvcol(curwin, &(oap->end),
1694 						  NULL, NULL, &oap->end_vcol);
1695 		    if (VIsual_mode == Ctrl_V || oap->line_count <= 1)
1696 		    {
1697 			if (VIsual_mode != Ctrl_V)
1698 			    getvvcol(curwin, &(oap->start),
1699 						&oap->start_vcol, NULL, NULL);
1700 			resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1;
1701 		    }
1702 		    else
1703 			resel_VIsual_vcol = oap->end_vcol;
1704 		}
1705 		resel_VIsual_line_count = oap->line_count;
1706 	    }
1707 
1708 	    /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1709 	    if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1710 		    && oap->op_type != OP_COLON
1711 #ifdef FEAT_FOLDING
1712 		    && oap->op_type != OP_FOLD
1713 		    && oap->op_type != OP_FOLDOPEN
1714 		    && oap->op_type != OP_FOLDOPENREC
1715 		    && oap->op_type != OP_FOLDCLOSE
1716 		    && oap->op_type != OP_FOLDCLOSEREC
1717 		    && oap->op_type != OP_FOLDDEL
1718 		    && oap->op_type != OP_FOLDDELREC
1719 #endif
1720 		    && oap->motion_force == NUL
1721 		    )
1722 	    {
1723 		/* Prepare for redoing.  Only use the nchar field for "r",
1724 		 * otherwise it might be the second char of the operator. */
1725 		if (cap->cmdchar == 'g' && (cap->nchar == 'n'
1726 							|| cap->nchar == 'N'))
1727 		    prep_redo(oap->regname, cap->count0,
1728 			    get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1729 			    oap->motion_force, cap->cmdchar, cap->nchar);
1730 		else if (cap->cmdchar != ':')
1731 		    prep_redo(oap->regname, 0L, NUL, 'v',
1732 					get_op_char(oap->op_type),
1733 					get_extra_op_char(oap->op_type),
1734 					oap->op_type == OP_REPLACE
1735 							  ? cap->nchar : NUL);
1736 		if (!redo_VIsual_busy)
1737 		{
1738 		    redo_VIsual_mode = resel_VIsual_mode;
1739 		    redo_VIsual_vcol = resel_VIsual_vcol;
1740 		    redo_VIsual_line_count = resel_VIsual_line_count;
1741 		    redo_VIsual_count = cap->count0;
1742 		}
1743 	    }
1744 
1745 	    /*
1746 	     * oap->inclusive defaults to TRUE.
1747 	     * If oap->end is on a NUL (empty line) oap->inclusive becomes
1748 	     * FALSE.  This makes "d}P" and "v}dP" work the same.
1749 	     */
1750 	    if (oap->motion_force == NUL || oap->motion_type == MLINE)
1751 		oap->inclusive = TRUE;
1752 	    if (VIsual_mode == 'V')
1753 		oap->motion_type = MLINE;
1754 	    else
1755 	    {
1756 		oap->motion_type = MCHAR;
1757 		if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1758 #ifdef FEAT_VIRTUALEDIT
1759 			&& (include_line_break || !virtual_op)
1760 #endif
1761 			)
1762 		{
1763 		    oap->inclusive = FALSE;
1764 		    /* Try to include the newline, unless it's an operator
1765 		     * that works on lines only. */
1766 		    if (*p_sel != 'o' && !op_on_lines(oap->op_type))
1767 		    {
1768 			if (oap->end.lnum < curbuf->b_ml.ml_line_count)
1769 			{
1770 			    ++oap->end.lnum;
1771 			    oap->end.col = 0;
1772 #ifdef FEAT_VIRTUALEDIT
1773 			    oap->end.coladd = 0;
1774 #endif
1775 			    ++oap->line_count;
1776 			}
1777 			else
1778 			{
1779 			    /* Cannot move below the last line, make the op
1780 			     * inclusive to tell the operation to include the
1781 			     * line break. */
1782 			    oap->inclusive = TRUE;
1783 			}
1784 		    }
1785 		}
1786 	    }
1787 
1788 	    redo_VIsual_busy = FALSE;
1789 
1790 	    /*
1791 	     * Switch Visual off now, so screen updating does
1792 	     * not show inverted text when the screen is redrawn.
1793 	     * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1794 	     * no screen redraw, so it is done here to remove the inverted
1795 	     * part.
1796 	     */
1797 	    if (!gui_yank)
1798 	    {
1799 		VIsual_active = FALSE;
1800 #ifdef FEAT_MOUSE
1801 		setmouse();
1802 		mouse_dragging = 0;
1803 #endif
1804 		if (mode_displayed)
1805 		    clear_cmdline = TRUE;   /* unshow visual mode later */
1806 #ifdef FEAT_CMDL_INFO
1807 		else
1808 		    clear_showcmd();
1809 #endif
1810 		if ((oap->op_type == OP_YANK
1811 			    || oap->op_type == OP_COLON
1812 			    || oap->op_type == OP_FUNCTION
1813 			    || oap->op_type == OP_FILTER)
1814 			&& oap->motion_force == NUL)
1815 		    redraw_curbuf_later(INVERTED);
1816 	    }
1817 	}
1818 
1819 #ifdef FEAT_MBYTE
1820 	/* Include the trailing byte of a multi-byte char. */
1821 	if (has_mbyte && oap->inclusive)
1822 	{
1823 	    int		l;
1824 
1825 	    l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1826 	    if (l > 1)
1827 		oap->end.col += l - 1;
1828 	}
1829 #endif
1830 	curwin->w_set_curswant = TRUE;
1831 
1832 	/*
1833 	 * oap->empty is set when start and end are the same.  The inclusive
1834 	 * flag affects this too, unless yanking and the end is on a NUL.
1835 	 */
1836 	oap->empty = (oap->motion_type == MCHAR
1837 		    && (!oap->inclusive
1838 			|| (oap->op_type == OP_YANK
1839 			    && gchar_pos(&oap->end) == NUL))
1840 		    && equalpos(oap->start, oap->end)
1841 #ifdef FEAT_VIRTUALEDIT
1842 		    && !(virtual_op && oap->start.coladd != oap->end.coladd)
1843 #endif
1844 		    );
1845 	/*
1846 	 * For delete, change and yank, it's an error to operate on an
1847 	 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1848 	 */
1849 	empty_region_error = (oap->empty
1850 				&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1851 
1852 	/* Force a redraw when operating on an empty Visual region, when
1853 	 * 'modifiable is off or creating a fold. */
1854 	if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1855 #ifdef FEAT_FOLDING
1856 		    || oap->op_type == OP_FOLD
1857 #endif
1858 		    ))
1859 	    redraw_curbuf_later(INVERTED);
1860 
1861 	/*
1862 	 * If the end of an operator is in column one while oap->motion_type
1863 	 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1864 	 * character in the previous line. If op_start is on or before the
1865 	 * first non-blank in the line, the operator becomes linewise
1866 	 * (strange, but that's the way vi does it).
1867 	 */
1868 	if (	   oap->motion_type == MCHAR
1869 		&& oap->inclusive == FALSE
1870 		&& !(cap->retval & CA_NO_ADJ_OP_END)
1871 		&& oap->end.col == 0
1872 		&& (!oap->is_VIsual || *p_sel == 'o')
1873 		&& !oap->block_mode
1874 		&& oap->line_count > 1)
1875 	{
1876 	    oap->end_adjusted = TRUE;	    /* remember that we did this */
1877 	    --oap->line_count;
1878 	    --oap->end.lnum;
1879 	    if (inindent(0))
1880 		oap->motion_type = MLINE;
1881 	    else
1882 	    {
1883 		oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1884 		if (oap->end.col)
1885 		{
1886 		    --oap->end.col;
1887 		    oap->inclusive = TRUE;
1888 		}
1889 	    }
1890 	}
1891 	else
1892 	    oap->end_adjusted = FALSE;
1893 
1894 	switch (oap->op_type)
1895 	{
1896 	case OP_LSHIFT:
1897 	case OP_RSHIFT:
1898 	    op_shift(oap, TRUE, oap->is_VIsual ? (int)cap->count1 : 1);
1899 	    auto_format(FALSE, TRUE);
1900 	    break;
1901 
1902 	case OP_JOIN_NS:
1903 	case OP_JOIN:
1904 	    if (oap->line_count < 2)
1905 		oap->line_count = 2;
1906 	    if (curwin->w_cursor.lnum + oap->line_count - 1 >
1907 						   curbuf->b_ml.ml_line_count)
1908 		beep_flush();
1909 	    else
1910 	    {
1911 		(void)do_join(oap->line_count, oap->op_type == OP_JOIN,
1912 							    TRUE, TRUE, TRUE);
1913 		auto_format(FALSE, TRUE);
1914 	    }
1915 	    break;
1916 
1917 	case OP_DELETE:
1918 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1919 	    if (empty_region_error)
1920 	    {
1921 		vim_beep();
1922 		CancelRedo();
1923 	    }
1924 	    else
1925 	    {
1926 		(void)op_delete(oap);
1927 		if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1928 		    u_save_cursor();	    /* cursor line wasn't saved yet */
1929 		auto_format(FALSE, TRUE);
1930 	    }
1931 	    break;
1932 
1933 	case OP_YANK:
1934 	    if (empty_region_error)
1935 	    {
1936 		if (!gui_yank)
1937 		{
1938 		    vim_beep();
1939 		    CancelRedo();
1940 		}
1941 	    }
1942 	    else
1943 		(void)op_yank(oap, FALSE, !gui_yank);
1944 	    check_cursor_col();
1945 	    break;
1946 
1947 	case OP_CHANGE:
1948 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1949 	    if (empty_region_error)
1950 	    {
1951 		vim_beep();
1952 		CancelRedo();
1953 	    }
1954 	    else
1955 	    {
1956 		/* This is a new edit command, not a restart.  Need to
1957 		 * remember it to make 'insertmode' work with mappings for
1958 		 * Visual mode.  But do this only once and not when typed and
1959 		 * 'insertmode' isn't set. */
1960 		if (p_im || !KeyTyped)
1961 		    restart_edit_save = restart_edit;
1962 		else
1963 		    restart_edit_save = 0;
1964 		restart_edit = 0;
1965 		/* Reset finish_op now, don't want it set inside edit(). */
1966 		finish_op = FALSE;
1967 		if (op_change(oap))	/* will call edit() */
1968 		    cap->retval |= CA_COMMAND_BUSY;
1969 		if (restart_edit == 0)
1970 		    restart_edit = restart_edit_save;
1971 	    }
1972 	    break;
1973 
1974 	case OP_FILTER:
1975 	    if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1976 		AppendToRedobuff((char_u *)"!\r");  /* use any last used !cmd */
1977 	    else
1978 		bangredo = TRUE;    /* do_bang() will put cmd in redo buffer */
1979 
1980 	case OP_INDENT:
1981 	case OP_COLON:
1982 
1983 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1984 	    /*
1985 	     * If 'equalprg' is empty, do the indenting internally.
1986 	     */
1987 	    if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1988 	    {
1989 # ifdef FEAT_LISP
1990 		if (curbuf->b_p_lisp)
1991 		{
1992 		    op_reindent(oap, get_lisp_indent);
1993 		    break;
1994 		}
1995 # endif
1996 # ifdef FEAT_CINDENT
1997 		op_reindent(oap,
1998 #  ifdef FEAT_EVAL
1999 			*curbuf->b_p_inde != NUL ? get_expr_indent :
2000 #  endif
2001 			    get_c_indent);
2002 		break;
2003 # endif
2004 	    }
2005 #endif
2006 
2007 	    op_colon(oap);
2008 	    break;
2009 
2010 	case OP_TILDE:
2011 	case OP_UPPER:
2012 	case OP_LOWER:
2013 	case OP_ROT13:
2014 	    if (empty_region_error)
2015 	    {
2016 		vim_beep();
2017 		CancelRedo();
2018 	    }
2019 	    else
2020 		op_tilde(oap);
2021 	    check_cursor_col();
2022 	    break;
2023 
2024 	case OP_FORMAT:
2025 #if defined(FEAT_EVAL)
2026 	    if (*curbuf->b_p_fex != NUL)
2027 		op_formatexpr(oap);	/* use expression */
2028 	    else
2029 #endif
2030 		if (*p_fp != NUL)
2031 		op_colon(oap);		/* use external command */
2032 	    else
2033 		op_format(oap, FALSE);	/* use internal function */
2034 	    break;
2035 
2036 	case OP_FORMAT2:
2037 	    op_format(oap, TRUE);	/* use internal function */
2038 	    break;
2039 
2040 	case OP_FUNCTION:
2041 	    op_function(oap);		/* call 'operatorfunc' */
2042 	    break;
2043 
2044 	case OP_INSERT:
2045 	case OP_APPEND:
2046 	    VIsual_reselect = FALSE;	/* don't reselect now */
2047 #ifdef FEAT_VISUALEXTRA
2048 	    if (empty_region_error)
2049 	    {
2050 		vim_beep();
2051 		CancelRedo();
2052 	    }
2053 	    else
2054 	    {
2055 		/* This is a new edit command, not a restart.  Need to
2056 		 * remember it to make 'insertmode' work with mappings for
2057 		 * Visual mode.  But do this only once. */
2058 		restart_edit_save = restart_edit;
2059 		restart_edit = 0;
2060 
2061 		op_insert(oap, cap->count1);
2062 
2063 		/* TODO: when inserting in several lines, should format all
2064 		 * the lines. */
2065 		auto_format(FALSE, TRUE);
2066 
2067 		if (restart_edit == 0)
2068 		    restart_edit = restart_edit_save;
2069 	    }
2070 #else
2071 	    vim_beep();
2072 #endif
2073 	    break;
2074 
2075 	case OP_REPLACE:
2076 	    VIsual_reselect = FALSE;	/* don't reselect now */
2077 #ifdef FEAT_VISUALEXTRA
2078 	    if (empty_region_error)
2079 #endif
2080 	    {
2081 		vim_beep();
2082 		CancelRedo();
2083 	    }
2084 #ifdef FEAT_VISUALEXTRA
2085 	    else
2086 		op_replace(oap, cap->nchar);
2087 #endif
2088 	    break;
2089 
2090 #ifdef FEAT_FOLDING
2091 	case OP_FOLD:
2092 	    VIsual_reselect = FALSE;	/* don't reselect now */
2093 	    foldCreate(oap->start.lnum, oap->end.lnum);
2094 	    break;
2095 
2096 	case OP_FOLDOPEN:
2097 	case OP_FOLDOPENREC:
2098 	case OP_FOLDCLOSE:
2099 	case OP_FOLDCLOSEREC:
2100 	    VIsual_reselect = FALSE;	/* don't reselect now */
2101 	    opFoldRange(oap->start.lnum, oap->end.lnum,
2102 		    oap->op_type == OP_FOLDOPEN
2103 					    || oap->op_type == OP_FOLDOPENREC,
2104 		    oap->op_type == OP_FOLDOPENREC
2105 					  || oap->op_type == OP_FOLDCLOSEREC,
2106 					  oap->is_VIsual);
2107 	    break;
2108 
2109 	case OP_FOLDDEL:
2110 	case OP_FOLDDELREC:
2111 	    VIsual_reselect = FALSE;	/* don't reselect now */
2112 	    deleteFold(oap->start.lnum, oap->end.lnum,
2113 			       oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2114 	    break;
2115 #endif
2116 	default:
2117 	    clearopbeep(oap);
2118 	}
2119 #ifdef FEAT_VIRTUALEDIT
2120 	virtual_op = MAYBE;
2121 #endif
2122 	if (!gui_yank)
2123 	{
2124 	    /*
2125 	     * if 'sol' not set, go back to old column for some commands
2126 	     */
2127 	    if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2128 		    && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2129 						|| oap->op_type == OP_DELETE))
2130 		coladvance(curwin->w_curswant = old_col);
2131 	}
2132 	else
2133 	{
2134 	    curwin->w_cursor = old_cursor;
2135 	}
2136 	oap->block_mode = FALSE;
2137 	clearop(oap);
2138     }
2139 }
2140 
2141 /*
2142  * Handle indent and format operators and visual mode ":".
2143  */
2144     static void
2145 op_colon(oap)
2146     oparg_T	*oap;
2147 {
2148     stuffcharReadbuff(':');
2149     if (oap->is_VIsual)
2150 	stuffReadbuff((char_u *)"'<,'>");
2151     else
2152     {
2153 	/*
2154 	 * Make the range look nice, so it can be repeated.
2155 	 */
2156 	if (oap->start.lnum == curwin->w_cursor.lnum)
2157 	    stuffcharReadbuff('.');
2158 	else
2159 	    stuffnumReadbuff((long)oap->start.lnum);
2160 	if (oap->end.lnum != oap->start.lnum)
2161 	{
2162 	    stuffcharReadbuff(',');
2163 	    if (oap->end.lnum == curwin->w_cursor.lnum)
2164 		stuffcharReadbuff('.');
2165 	    else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2166 		stuffcharReadbuff('$');
2167 	    else if (oap->start.lnum == curwin->w_cursor.lnum)
2168 	    {
2169 		stuffReadbuff((char_u *)".+");
2170 		stuffnumReadbuff((long)oap->line_count - 1);
2171 	    }
2172 	    else
2173 		stuffnumReadbuff((long)oap->end.lnum);
2174 	}
2175     }
2176     if (oap->op_type != OP_COLON)
2177 	stuffReadbuff((char_u *)"!");
2178     if (oap->op_type == OP_INDENT)
2179     {
2180 #ifndef FEAT_CINDENT
2181 	if (*get_equalprg() == NUL)
2182 	    stuffReadbuff((char_u *)"indent");
2183 	else
2184 #endif
2185 	    stuffReadbuff(get_equalprg());
2186 	stuffReadbuff((char_u *)"\n");
2187     }
2188     else if (oap->op_type == OP_FORMAT)
2189     {
2190 	if (*p_fp == NUL)
2191 	    stuffReadbuff((char_u *)"fmt");
2192 	else
2193 	    stuffReadbuff(p_fp);
2194 	stuffReadbuff((char_u *)"\n']");
2195     }
2196 
2197     /*
2198      * do_cmdline() does the rest
2199      */
2200 }
2201 
2202 /*
2203  * Handle the "g@" operator: call 'operatorfunc'.
2204  */
2205     static void
2206 op_function(oap)
2207     oparg_T	*oap UNUSED;
2208 {
2209 #ifdef FEAT_EVAL
2210     char_u	*(argv[1]);
2211 # ifdef FEAT_VIRTUALEDIT
2212     int		save_virtual_op = virtual_op;
2213 # endif
2214 
2215     if (*p_opfunc == NUL)
2216 	EMSG(_("E774: 'operatorfunc' is empty"));
2217     else
2218     {
2219 	/* Set '[ and '] marks to text to be operated on. */
2220 	curbuf->b_op_start = oap->start;
2221 	curbuf->b_op_end = oap->end;
2222 	if (oap->motion_type != MLINE && !oap->inclusive)
2223 	    /* Exclude the end position. */
2224 	    decl(&curbuf->b_op_end);
2225 
2226 	if (oap->block_mode)
2227 	    argv[0] = (char_u *)"block";
2228 	else if (oap->motion_type == MLINE)
2229 	    argv[0] = (char_u *)"line";
2230 	else
2231 	    argv[0] = (char_u *)"char";
2232 
2233 # ifdef FEAT_VIRTUALEDIT
2234 	/* Reset virtual_op so that 'virtualedit' can be changed in the
2235 	 * function. */
2236 	virtual_op = MAYBE;
2237 # endif
2238 
2239 	(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2240 
2241 # ifdef FEAT_VIRTUALEDIT
2242 	virtual_op = save_virtual_op;
2243 # endif
2244     }
2245 #else
2246     EMSG(_("E775: Eval feature not available"));
2247 #endif
2248 }
2249 
2250 #if defined(FEAT_MOUSE) || defined(PROTO)
2251 /*
2252  * Do the appropriate action for the current mouse click in the current mode.
2253  * Not used for Command-line mode.
2254  *
2255  * Normal Mode:
2256  * event	 modi-	position      visual	   change   action
2257  *		 fier	cursor			   window
2258  * left press	  -	yes	    end		    yes
2259  * left press	  C	yes	    end		    yes	    "^]" (2)
2260  * left press	  S	yes	    end		    yes	    "*" (2)
2261  * left drag	  -	yes	start if moved	    no
2262  * left relse	  -	yes	start if moved	    no
2263  * middle press	  -	yes	 if not active	    no	    put register
2264  * middle press	  -	yes	 if active	    no	    yank and put
2265  * right press	  -	yes	start or extend	    yes
2266  * right press	  S	yes	no change	    yes	    "#" (2)
2267  * right drag	  -	yes	extend		    no
2268  * right relse	  -	yes	extend		    no
2269  *
2270  * Insert or Replace Mode:
2271  * event	 modi-	position      visual	   change   action
2272  *		 fier	cursor			   window
2273  * left press	  -	yes	(cannot be active)  yes
2274  * left press	  C	yes	(cannot be active)  yes	    "CTRL-O^]" (2)
2275  * left press	  S	yes	(cannot be active)  yes	    "CTRL-O*" (2)
2276  * left drag	  -	yes	start or extend (1) no	    CTRL-O (1)
2277  * left relse	  -	yes	start or extend (1) no	    CTRL-O (1)
2278  * middle press	  -	no	(cannot be active)  no	    put register
2279  * right press	  -	yes	start or extend	    yes	    CTRL-O
2280  * right press	  S	yes	(cannot be active)  yes	    "CTRL-O#" (2)
2281  *
2282  * (1) only if mouse pointer moved since press
2283  * (2) only if click is in same buffer
2284  *
2285  * Return TRUE if start_arrow() should be called for edit mode.
2286  */
2287     int
2288 do_mouse(oap, c, dir, count, fixindent)
2289     oparg_T	*oap;		/* operator argument, can be NULL */
2290     int		c;		/* K_LEFTMOUSE, etc */
2291     int		dir;		/* Direction to 'put' if necessary */
2292     long	count;
2293     int		fixindent;	/* PUT_FIXINDENT if fixing indent necessary */
2294 {
2295     static int	do_always = FALSE;	/* ignore 'mouse' setting next time */
2296     static int	got_click = FALSE;	/* got a click some time back */
2297 
2298     int		which_button;	/* MOUSE_LEFT, _MIDDLE or _RIGHT */
2299     int		is_click;	/* If FALSE it's a drag or release event */
2300     int		is_drag;	/* If TRUE it's a drag event */
2301     int		jump_flags = 0;	/* flags for jump_to_mouse() */
2302     pos_T	start_visual;
2303     int		moved;		/* Has cursor moved? */
2304     int		in_status_line;	/* mouse in status line */
2305 #ifdef FEAT_WINDOWS
2306     static int	in_tab_line = FALSE; /* mouse clicked in tab line */
2307 #endif
2308 #ifdef FEAT_VERTSPLIT
2309     int		in_sep_line;	/* mouse in vertical separator line */
2310 #endif
2311     int		c1, c2;
2312 #if defined(FEAT_FOLDING)
2313     pos_T	save_cursor;
2314 #endif
2315     win_T	*old_curwin = curwin;
2316     static pos_T orig_cursor;
2317     colnr_T	leftcol, rightcol;
2318     pos_T	end_visual;
2319     int		diff;
2320     int		old_active = VIsual_active;
2321     int		old_mode = VIsual_mode;
2322     int		regname;
2323 
2324 #if defined(FEAT_FOLDING)
2325     save_cursor = curwin->w_cursor;
2326 #endif
2327 
2328     /*
2329      * When GUI is active, always recognize mouse events, otherwise:
2330      * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2331      * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2332      * - For command line and insert mode 'mouse' is checked before calling
2333      *	 do_mouse().
2334      */
2335     if (do_always)
2336 	do_always = FALSE;
2337     else
2338 #ifdef FEAT_GUI
2339 	if (!gui.in_use)
2340 #endif
2341 	{
2342 	    if (VIsual_active)
2343 	    {
2344 		if (!mouse_has(MOUSE_VISUAL))
2345 		    return FALSE;
2346 	    }
2347 	    else if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2348 		return FALSE;
2349 	}
2350 
2351     for (;;)
2352     {
2353 	which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2354 	if (is_drag)
2355 	{
2356 	    /* If the next character is the same mouse event then use that
2357 	     * one. Speeds up dragging the status line. */
2358 	    if (vpeekc() != NUL)
2359 	    {
2360 		int nc;
2361 		int save_mouse_row = mouse_row;
2362 		int save_mouse_col = mouse_col;
2363 
2364 		/* Need to get the character, peeking doesn't get the actual
2365 		 * one. */
2366 		nc = safe_vgetc();
2367 		if (c == nc)
2368 		    continue;
2369 		vungetc(nc);
2370 		mouse_row = save_mouse_row;
2371 		mouse_col = save_mouse_col;
2372 	    }
2373 	}
2374 	break;
2375     }
2376 
2377 #ifdef FEAT_MOUSESHAPE
2378     /* May have stopped dragging the status or separator line.  The pointer is
2379      * most likely still on the status or separator line. */
2380     if (!is_drag && drag_status_line)
2381     {
2382 	drag_status_line = FALSE;
2383 	update_mouseshape(SHAPE_IDX_STATUS);
2384     }
2385 # ifdef FEAT_VERTSPLIT
2386     if (!is_drag && drag_sep_line)
2387     {
2388 	drag_sep_line = FALSE;
2389 	update_mouseshape(SHAPE_IDX_VSEP);
2390     }
2391 # endif
2392 #endif
2393 
2394     /*
2395      * Ignore drag and release events if we didn't get a click.
2396      */
2397     if (is_click)
2398 	got_click = TRUE;
2399     else
2400     {
2401 	if (!got_click)			/* didn't get click, ignore */
2402 	    return FALSE;
2403 	if (!is_drag)			/* release, reset got_click */
2404 	{
2405 	    got_click = FALSE;
2406 #ifdef FEAT_WINDOWS
2407 	    if (in_tab_line)
2408 	    {
2409 		in_tab_line = FALSE;
2410 		return FALSE;
2411 	    }
2412 #endif
2413 	}
2414     }
2415 
2416     /*
2417      * CTRL right mouse button does CTRL-T
2418      */
2419     if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2420     {
2421 	if (State & INSERT)
2422 	    stuffcharReadbuff(Ctrl_O);
2423 	if (count > 1)
2424 	    stuffnumReadbuff(count);
2425 	stuffcharReadbuff(Ctrl_T);
2426 	got_click = FALSE;		/* ignore drag&release now */
2427 	return FALSE;
2428     }
2429 
2430     /*
2431      * CTRL only works with left mouse button
2432      */
2433     if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2434 	return FALSE;
2435 
2436     /*
2437      * When a modifier is down, ignore drag and release events, as well as
2438      * multiple clicks and the middle mouse button.
2439      * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2440      */
2441     if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2442 							     | MOD_MASK_META))
2443 	    && (!is_click
2444 		|| (mod_mask & MOD_MASK_MULTI_CLICK)
2445 		|| which_button == MOUSE_MIDDLE)
2446 	    && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2447 		&& mouse_model_popup()
2448 		&& which_button == MOUSE_LEFT)
2449 	    && !((mod_mask & MOD_MASK_ALT)
2450 		&& !mouse_model_popup()
2451 		&& which_button == MOUSE_RIGHT)
2452 	    )
2453 	return FALSE;
2454 
2455     /*
2456      * If the button press was used as the movement command for an operator
2457      * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2458      * drag/release events.
2459      */
2460     if (!is_click && which_button == MOUSE_MIDDLE)
2461 	return FALSE;
2462 
2463     if (oap != NULL)
2464 	regname = oap->regname;
2465     else
2466 	regname = 0;
2467 
2468     /*
2469      * Middle mouse button does a 'put' of the selected text
2470      */
2471     if (which_button == MOUSE_MIDDLE)
2472     {
2473 	if (State == NORMAL)
2474 	{
2475 	    /*
2476 	     * If an operator was pending, we don't know what the user wanted
2477 	     * to do. Go back to normal mode: Clear the operator and beep().
2478 	     */
2479 	    if (oap != NULL && oap->op_type != OP_NOP)
2480 	    {
2481 		clearopbeep(oap);
2482 		return FALSE;
2483 	    }
2484 
2485 	    /*
2486 	     * If visual was active, yank the highlighted text and put it
2487 	     * before the mouse pointer position.
2488 	     * In Select mode replace the highlighted text with the clipboard.
2489 	     */
2490 	    if (VIsual_active)
2491 	    {
2492 		if (VIsual_select)
2493 		{
2494 		    stuffcharReadbuff(Ctrl_G);
2495 		    stuffReadbuff((char_u *)"\"+p");
2496 		}
2497 		else
2498 		{
2499 		    stuffcharReadbuff('y');
2500 		    stuffcharReadbuff(K_MIDDLEMOUSE);
2501 		}
2502 		do_always = TRUE;	/* ignore 'mouse' setting next time */
2503 		return FALSE;
2504 	    }
2505 	    /*
2506 	     * The rest is below jump_to_mouse()
2507 	     */
2508 	}
2509 
2510 	else if ((State & INSERT) == 0)
2511 	    return FALSE;
2512 
2513 	/*
2514 	 * Middle click in insert mode doesn't move the mouse, just insert the
2515 	 * contents of a register.  '.' register is special, can't insert that
2516 	 * with do_put().
2517 	 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2518 	 * happens for the GUI).
2519 	 */
2520 	if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2521 	{
2522 	    if (regname == '.')
2523 		insert_reg(regname, TRUE);
2524 	    else
2525 	    {
2526 #ifdef FEAT_CLIPBOARD
2527 		if (clip_star.available && regname == 0)
2528 		    regname = '*';
2529 #endif
2530 		if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2531 		    insert_reg(regname, TRUE);
2532 		else
2533 		{
2534 		    do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2535 
2536 		    /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2537 		    AppendCharToRedobuff(Ctrl_R);
2538 		    AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2539 		    AppendCharToRedobuff(regname == 0 ? '"' : regname);
2540 		}
2541 	    }
2542 	    return FALSE;
2543 	}
2544     }
2545 
2546     /* When dragging or button-up stay in the same window. */
2547     if (!is_click)
2548 	jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2549 
2550     start_visual.lnum = 0;
2551 
2552 #ifdef FEAT_WINDOWS
2553     /* Check for clicking in the tab page line. */
2554     if (mouse_row == 0 && firstwin->w_winrow > 0)
2555     {
2556 	if (is_drag)
2557 	{
2558 	    if (in_tab_line)
2559 	    {
2560 		c1 = TabPageIdxs[mouse_col];
2561 		tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
2562 	    }
2563 	    return FALSE;
2564 	}
2565 
2566 	/* click in a tab selects that tab page */
2567 	if (is_click
2568 # ifdef FEAT_CMDWIN
2569 		&& cmdwin_type == 0
2570 # endif
2571 		&& mouse_col < Columns)
2572 	{
2573 	    in_tab_line = TRUE;
2574 	    c1 = TabPageIdxs[mouse_col];
2575 	    if (c1 >= 0)
2576 	    {
2577 		if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2578 		{
2579 		    /* double click opens new page */
2580 		    end_visual_mode();
2581 		    tabpage_new();
2582 		    tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2583 		}
2584 		else
2585 		{
2586 		    /* Go to specified tab page, or next one if not clicking
2587 		     * on a label. */
2588 		    goto_tabpage(c1);
2589 
2590 		    /* It's like clicking on the status line of a window. */
2591 		    if (curwin != old_curwin)
2592 			end_visual_mode();
2593 		}
2594 	    }
2595 	    else if (c1 < 0)
2596 	    {
2597 		tabpage_T	*tp;
2598 
2599 		/* Close the current or specified tab page. */
2600 		if (c1 == -999)
2601 		    tp = curtab;
2602 		else
2603 		    tp = find_tabpage(-c1);
2604 		if (tp == curtab)
2605 		{
2606 		    if (first_tabpage->tp_next != NULL)
2607 			tabpage_close(FALSE);
2608 		}
2609 		else if (tp != NULL)
2610 		    tabpage_close_other(tp, FALSE);
2611 	    }
2612 	}
2613 	return TRUE;
2614     }
2615     else if (is_drag && in_tab_line)
2616     {
2617 	c1 = TabPageIdxs[mouse_col];
2618 	tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
2619 	return FALSE;
2620     }
2621 
2622 #endif
2623 
2624     /*
2625      * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2626      * right button up   -> pop-up menu
2627      * shift-left button -> right button
2628      * alt-left button   -> alt-right button
2629      */
2630     if (mouse_model_popup())
2631     {
2632 	if (which_button == MOUSE_RIGHT
2633 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2634 	{
2635 	    /*
2636 	     * NOTE: Ignore right button down and drag mouse events.
2637 	     * Windows only shows the popup menu on the button up event.
2638 	     */
2639 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2640 			  || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2641 	    if (!is_click)
2642 		return FALSE;
2643 #endif
2644 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2645 	    if (is_click || is_drag)
2646 		return FALSE;
2647 #endif
2648 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2649 	    || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2650 	    || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2651 	    if (gui.in_use)
2652 	    {
2653 		jump_flags = 0;
2654 		if (STRCMP(p_mousem, "popup_setpos") == 0)
2655 		{
2656 		    /* First set the cursor position before showing the popup
2657 		     * menu. */
2658 		    if (VIsual_active)
2659 		    {
2660 			pos_T    m_pos;
2661 
2662 			/*
2663 			 * set MOUSE_MAY_STOP_VIS if we are outside the
2664 			 * selection or the current window (might have false
2665 			 * negative here)
2666 			 */
2667 			if (mouse_row < W_WINROW(curwin)
2668 			     || mouse_row
2669 				      > (W_WINROW(curwin) + curwin->w_height))
2670 			    jump_flags = MOUSE_MAY_STOP_VIS;
2671 			else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2672 			    jump_flags = MOUSE_MAY_STOP_VIS;
2673 			else
2674 			{
2675 			    if ((lt(curwin->w_cursor, VIsual)
2676 					&& (lt(m_pos, curwin->w_cursor)
2677 					    || lt(VIsual, m_pos)))
2678 				    || (lt(VIsual, curwin->w_cursor)
2679 					&& (lt(m_pos, VIsual)
2680 					    || lt(curwin->w_cursor, m_pos))))
2681 			    {
2682 				jump_flags = MOUSE_MAY_STOP_VIS;
2683 			    }
2684 			    else if (VIsual_mode == Ctrl_V)
2685 			    {
2686 				getvcols(curwin, &curwin->w_cursor, &VIsual,
2687 							 &leftcol, &rightcol);
2688 				getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2689 				if (m_pos.col < leftcol || m_pos.col > rightcol)
2690 				    jump_flags = MOUSE_MAY_STOP_VIS;
2691 			    }
2692 			}
2693 		    }
2694 		    else
2695 			jump_flags = MOUSE_MAY_STOP_VIS;
2696 		}
2697 		if (jump_flags)
2698 		{
2699 		    jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2700 		    update_curbuf(VIsual_active ? INVERTED : VALID);
2701 		    setcursor();
2702 		    out_flush();    /* Update before showing popup menu */
2703 		}
2704 # ifdef FEAT_MENU
2705 		gui_show_popupmenu();
2706 # endif
2707 		return (jump_flags & CURSOR_MOVED) != 0;
2708 	    }
2709 	    else
2710 		return FALSE;
2711 #else
2712 	    return FALSE;
2713 #endif
2714 	}
2715 	if (which_button == MOUSE_LEFT
2716 				&& (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2717 	{
2718 	    which_button = MOUSE_RIGHT;
2719 	    mod_mask &= ~MOD_MASK_SHIFT;
2720 	}
2721     }
2722 
2723     if ((State & (NORMAL | INSERT))
2724 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2725     {
2726 	if (which_button == MOUSE_LEFT)
2727 	{
2728 	    if (is_click)
2729 	    {
2730 		/* stop Visual mode for a left click in a window, but not when
2731 		 * on a status line */
2732 		if (VIsual_active)
2733 		    jump_flags |= MOUSE_MAY_STOP_VIS;
2734 	    }
2735 	    else if (mouse_has(MOUSE_VISUAL))
2736 		jump_flags |= MOUSE_MAY_VIS;
2737 	}
2738 	else if (which_button == MOUSE_RIGHT)
2739 	{
2740 	    if (is_click && VIsual_active)
2741 	    {
2742 		/*
2743 		 * Remember the start and end of visual before moving the
2744 		 * cursor.
2745 		 */
2746 		if (lt(curwin->w_cursor, VIsual))
2747 		{
2748 		    start_visual = curwin->w_cursor;
2749 		    end_visual = VIsual;
2750 		}
2751 		else
2752 		{
2753 		    start_visual = VIsual;
2754 		    end_visual = curwin->w_cursor;
2755 		}
2756 	    }
2757 	    jump_flags |= MOUSE_FOCUS;
2758 	    if (mouse_has(MOUSE_VISUAL))
2759 		jump_flags |= MOUSE_MAY_VIS;
2760 	}
2761     }
2762 
2763     /*
2764      * If an operator is pending, ignore all drags and releases until the
2765      * next mouse click.
2766      */
2767     if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2768     {
2769 	got_click = FALSE;
2770 	oap->motion_type = MCHAR;
2771     }
2772 
2773     /* When releasing the button let jump_to_mouse() know. */
2774     if (!is_click && !is_drag)
2775 	jump_flags |= MOUSE_RELEASED;
2776 
2777     /*
2778      * JUMP!
2779      */
2780     jump_flags = jump_to_mouse(jump_flags,
2781 			oap == NULL ? NULL : &(oap->inclusive), which_button);
2782     moved = (jump_flags & CURSOR_MOVED);
2783     in_status_line = (jump_flags & IN_STATUS_LINE);
2784 #ifdef FEAT_VERTSPLIT
2785     in_sep_line = (jump_flags & IN_SEP_LINE);
2786 #endif
2787 
2788 #ifdef FEAT_NETBEANS_INTG
2789     if (isNetbeansBuffer(curbuf)
2790 			    && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2791     {
2792 	int key = KEY2TERMCAP1(c);
2793 
2794 	if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2795 					       || key == (int)KE_RIGHTRELEASE)
2796 	    netbeans_button_release(which_button);
2797     }
2798 #endif
2799 
2800     /* When jumping to another window, clear a pending operator.  That's a bit
2801      * friendlier than beeping and not jumping to that window. */
2802     if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2803 	clearop(oap);
2804 
2805 #ifdef FEAT_FOLDING
2806     if (mod_mask == 0
2807 	    && !is_drag
2808 	    && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2809 	    && which_button == MOUSE_LEFT)
2810     {
2811 	/* open or close a fold at this line */
2812 	if (jump_flags & MOUSE_FOLD_OPEN)
2813 	    openFold(curwin->w_cursor.lnum, 1L);
2814 	else
2815 	    closeFold(curwin->w_cursor.lnum, 1L);
2816 	/* don't move the cursor if still in the same window */
2817 	if (curwin == old_curwin)
2818 	    curwin->w_cursor = save_cursor;
2819     }
2820 #endif
2821 
2822 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2823     if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2824     {
2825 	clip_modeless(which_button, is_click, is_drag);
2826 	return FALSE;
2827     }
2828 #endif
2829 
2830     /* Set global flag that we are extending the Visual area with mouse
2831      * dragging; temporarily minimize 'scrolloff'. */
2832     if (VIsual_active && is_drag && p_so)
2833     {
2834 	/* In the very first line, allow scrolling one line */
2835 	if (mouse_row == 0)
2836 	    mouse_dragging = 2;
2837 	else
2838 	    mouse_dragging = 1;
2839     }
2840 
2841     /* When dragging the mouse above the window, scroll down. */
2842     if (is_drag && mouse_row < 0 && !in_status_line)
2843     {
2844 	scroll_redraw(FALSE, 1L);
2845 	mouse_row = 0;
2846     }
2847 
2848     if (start_visual.lnum)		/* right click in visual mode */
2849     {
2850        /* When ALT is pressed make Visual mode blockwise. */
2851        if (mod_mask & MOD_MASK_ALT)
2852 	   VIsual_mode = Ctrl_V;
2853 
2854 	/*
2855 	 * In Visual-block mode, divide the area in four, pick up the corner
2856 	 * that is in the quarter that the cursor is in.
2857 	 */
2858 	if (VIsual_mode == Ctrl_V)
2859 	{
2860 	    getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2861 	    if (curwin->w_curswant > (leftcol + rightcol) / 2)
2862 		end_visual.col = leftcol;
2863 	    else
2864 		end_visual.col = rightcol;
2865 	    if (curwin->w_cursor.lnum <
2866 				    (start_visual.lnum + end_visual.lnum) / 2)
2867 		end_visual.lnum = end_visual.lnum;
2868 	    else
2869 		end_visual.lnum = start_visual.lnum;
2870 
2871 	    /* move VIsual to the right column */
2872 	    start_visual = curwin->w_cursor;	    /* save the cursor pos */
2873 	    curwin->w_cursor = end_visual;
2874 	    coladvance(end_visual.col);
2875 	    VIsual = curwin->w_cursor;
2876 	    curwin->w_cursor = start_visual;	    /* restore the cursor */
2877 	}
2878 	else
2879 	{
2880 	    /*
2881 	     * If the click is before the start of visual, change the start.
2882 	     * If the click is after the end of visual, change the end.  If
2883 	     * the click is inside the visual, change the closest side.
2884 	     */
2885 	    if (lt(curwin->w_cursor, start_visual))
2886 		VIsual = end_visual;
2887 	    else if (lt(end_visual, curwin->w_cursor))
2888 		VIsual = start_visual;
2889 	    else
2890 	    {
2891 		/* In the same line, compare column number */
2892 		if (end_visual.lnum == start_visual.lnum)
2893 		{
2894 		    if (curwin->w_cursor.col - start_visual.col >
2895 				    end_visual.col - curwin->w_cursor.col)
2896 			VIsual = start_visual;
2897 		    else
2898 			VIsual = end_visual;
2899 		}
2900 
2901 		/* In different lines, compare line number */
2902 		else
2903 		{
2904 		    diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2905 				(end_visual.lnum - curwin->w_cursor.lnum);
2906 
2907 		    if (diff > 0)		/* closest to end */
2908 			VIsual = start_visual;
2909 		    else if (diff < 0)	/* closest to start */
2910 			VIsual = end_visual;
2911 		    else			/* in the middle line */
2912 		    {
2913 			if (curwin->w_cursor.col <
2914 					(start_visual.col + end_visual.col) / 2)
2915 			    VIsual = end_visual;
2916 			else
2917 			    VIsual = start_visual;
2918 		    }
2919 		}
2920 	    }
2921 	}
2922     }
2923     /*
2924      * If Visual mode started in insert mode, execute "CTRL-O"
2925      */
2926     else if ((State & INSERT) && VIsual_active)
2927 	stuffcharReadbuff(Ctrl_O);
2928 
2929     /*
2930      * Middle mouse click: Put text before cursor.
2931      */
2932     if (which_button == MOUSE_MIDDLE)
2933     {
2934 #ifdef FEAT_CLIPBOARD
2935 	if (clip_star.available && regname == 0)
2936 	    regname = '*';
2937 #endif
2938 	if (yank_register_mline(regname))
2939 	{
2940 	    if (mouse_past_bottom)
2941 		dir = FORWARD;
2942 	}
2943 	else if (mouse_past_eol)
2944 	    dir = FORWARD;
2945 
2946 	if (fixindent)
2947 	{
2948 	    c1 = (dir == BACKWARD) ? '[' : ']';
2949 	    c2 = 'p';
2950 	}
2951 	else
2952 	{
2953 	    c1 = (dir == FORWARD) ? 'p' : 'P';
2954 	    c2 = NUL;
2955 	}
2956 	prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2957 
2958 	/*
2959 	 * Remember where the paste started, so in edit() Insstart can be set
2960 	 * to this position
2961 	 */
2962 	if (restart_edit != 0)
2963 	    where_paste_started = curwin->w_cursor;
2964 	do_put(regname, dir, count, fixindent | PUT_CURSEND);
2965     }
2966 
2967 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2968     /*
2969      * Ctrl-Mouse click or double click in a quickfix window jumps to the
2970      * error under the mouse pointer.
2971      */
2972     else if (((mod_mask & MOD_MASK_CTRL)
2973 		|| (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2974 	    && bt_quickfix(curbuf))
2975     {
2976 	if (State & INSERT)
2977 	    stuffcharReadbuff(Ctrl_O);
2978 	if (curwin->w_llist_ref == NULL)	/* quickfix window */
2979 	    stuffReadbuff((char_u *)":.cc\n");
2980 	else					/* location list window */
2981 	    stuffReadbuff((char_u *)":.ll\n");
2982 	got_click = FALSE;		/* ignore drag&release now */
2983     }
2984 #endif
2985 
2986     /*
2987      * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2988      * under the mouse pointer.
2989      */
2990     else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2991 		     && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2992     {
2993 	if (State & INSERT)
2994 	    stuffcharReadbuff(Ctrl_O);
2995 	stuffcharReadbuff(Ctrl_RSB);
2996 	got_click = FALSE;		/* ignore drag&release now */
2997     }
2998 
2999     /*
3000      * Shift-Mouse click searches for the next occurrence of the word under
3001      * the mouse pointer
3002      */
3003     else if ((mod_mask & MOD_MASK_SHIFT))
3004     {
3005 	if ((State & INSERT) || (VIsual_active && VIsual_select))
3006 	    stuffcharReadbuff(Ctrl_O);
3007 	if (which_button == MOUSE_LEFT)
3008 	    stuffcharReadbuff('*');
3009 	else	/* MOUSE_RIGHT */
3010 	    stuffcharReadbuff('#');
3011     }
3012 
3013     /* Handle double clicks, unless on status line */
3014     else if (in_status_line)
3015     {
3016 #ifdef FEAT_MOUSESHAPE
3017 	if ((is_drag || is_click) && !drag_status_line)
3018 	{
3019 	    drag_status_line = TRUE;
3020 	    update_mouseshape(-1);
3021 	}
3022 #endif
3023     }
3024 #ifdef FEAT_VERTSPLIT
3025     else if (in_sep_line)
3026     {
3027 # ifdef FEAT_MOUSESHAPE
3028 	if ((is_drag || is_click) && !drag_sep_line)
3029 	{
3030 	    drag_sep_line = TRUE;
3031 	    update_mouseshape(-1);
3032 	}
3033 # endif
3034     }
3035 #endif
3036     else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
3037 	     && mouse_has(MOUSE_VISUAL))
3038     {
3039 	if (is_click || !VIsual_active)
3040 	{
3041 	    if (VIsual_active)
3042 		orig_cursor = VIsual;
3043 	    else
3044 	    {
3045 		check_visual_highlight();
3046 		VIsual = curwin->w_cursor;
3047 		orig_cursor = VIsual;
3048 		VIsual_active = TRUE;
3049 		VIsual_reselect = TRUE;
3050 		/* start Select mode if 'selectmode' contains "mouse" */
3051 		may_start_select('o');
3052 		setmouse();
3053 	    }
3054 	    if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3055 	    {
3056 		/* Double click with ALT pressed makes it blockwise. */
3057 		if (mod_mask & MOD_MASK_ALT)
3058 		    VIsual_mode = Ctrl_V;
3059 		else
3060 		    VIsual_mode = 'v';
3061 	    }
3062 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
3063 		VIsual_mode = 'V';
3064 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
3065 		VIsual_mode = Ctrl_V;
3066 #ifdef FEAT_CLIPBOARD
3067 	    /* Make sure the clipboard gets updated.  Needed because start and
3068 	     * end may still be the same, and the selection needs to be owned */
3069 	    clip_star.vmode = NUL;
3070 #endif
3071 	}
3072 	/*
3073 	 * A double click selects a word or a block.
3074 	 */
3075 	if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3076 	{
3077 	    pos_T	*pos = NULL;
3078 	    int		gc;
3079 
3080 	    if (is_click)
3081 	    {
3082 		/* If the character under the cursor (skipping white space) is
3083 		 * not a word character, try finding a match and select a (),
3084 		 * {}, [], #if/#endif, etc. block. */
3085 		end_visual = curwin->w_cursor;
3086 		while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
3087 		    inc(&end_visual);
3088 		if (oap != NULL)
3089 		    oap->motion_type = MCHAR;
3090 		if (oap != NULL
3091 			&& VIsual_mode == 'v'
3092 			&& !vim_iswordc(gchar_pos(&end_visual))
3093 			&& equalpos(curwin->w_cursor, VIsual)
3094 			&& (pos = findmatch(oap, NUL)) != NULL)
3095 		{
3096 		    curwin->w_cursor = *pos;
3097 		    if (oap->motion_type == MLINE)
3098 			VIsual_mode = 'V';
3099 		    else if (*p_sel == 'e')
3100 		    {
3101 			if (lt(curwin->w_cursor, VIsual))
3102 			    ++VIsual.col;
3103 			else
3104 			    ++curwin->w_cursor.col;
3105 		    }
3106 		}
3107 	    }
3108 
3109 	    if (pos == NULL && (is_click || is_drag))
3110 	    {
3111 		/* When not found a match or when dragging: extend to include
3112 		 * a word. */
3113 		if (lt(curwin->w_cursor, orig_cursor))
3114 		{
3115 		    find_start_of_word(&curwin->w_cursor);
3116 		    find_end_of_word(&VIsual);
3117 		}
3118 		else
3119 		{
3120 		    find_start_of_word(&VIsual);
3121 		    if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3122 #ifdef FEAT_MBYTE
3123 			curwin->w_cursor.col +=
3124 					 (*mb_ptr2len)(ml_get_cursor());
3125 #else
3126 			++curwin->w_cursor.col;
3127 #endif
3128 		    find_end_of_word(&curwin->w_cursor);
3129 		}
3130 	    }
3131 	    curwin->w_set_curswant = TRUE;
3132 	}
3133 	if (is_click)
3134 	    redraw_curbuf_later(INVERTED);	/* update the inversion */
3135     }
3136     else if (VIsual_active && !old_active)
3137     {
3138 	if (mod_mask & MOD_MASK_ALT)
3139 	    VIsual_mode = Ctrl_V;
3140 	else
3141 	    VIsual_mode = 'v';
3142     }
3143 
3144     /* If Visual mode changed show it later. */
3145     if ((!VIsual_active && old_active && mode_displayed)
3146 	    || (VIsual_active && p_smd && msg_silent == 0
3147 				 && (!old_active || VIsual_mode != old_mode)))
3148 	redraw_cmdline = TRUE;
3149 
3150     return moved;
3151 }
3152 
3153 /*
3154  * Move "pos" back to the start of the word it's in.
3155  */
3156     static void
3157 find_start_of_word(pos)
3158     pos_T	*pos;
3159 {
3160     char_u	*line;
3161     int		cclass;
3162     int		col;
3163 
3164     line = ml_get(pos->lnum);
3165     cclass = get_mouse_class(line + pos->col);
3166 
3167     while (pos->col > 0)
3168     {
3169 	col = pos->col - 1;
3170 #ifdef FEAT_MBYTE
3171 	col -= (*mb_head_off)(line, line + col);
3172 #endif
3173 	if (get_mouse_class(line + col) != cclass)
3174 	    break;
3175 	pos->col = col;
3176     }
3177 }
3178 
3179 /*
3180  * Move "pos" forward to the end of the word it's in.
3181  * When 'selection' is "exclusive", the position is just after the word.
3182  */
3183     static void
3184 find_end_of_word(pos)
3185     pos_T	*pos;
3186 {
3187     char_u	*line;
3188     int		cclass;
3189     int		col;
3190 
3191     line = ml_get(pos->lnum);
3192     if (*p_sel == 'e' && pos->col > 0)
3193     {
3194 	--pos->col;
3195 #ifdef FEAT_MBYTE
3196 	pos->col -= (*mb_head_off)(line, line + pos->col);
3197 #endif
3198     }
3199     cclass = get_mouse_class(line + pos->col);
3200     while (line[pos->col] != NUL)
3201     {
3202 #ifdef FEAT_MBYTE
3203 	col = pos->col + (*mb_ptr2len)(line + pos->col);
3204 #else
3205 	col = pos->col + 1;
3206 #endif
3207 	if (get_mouse_class(line + col) != cclass)
3208 	{
3209 	    if (*p_sel == 'e')
3210 		pos->col = col;
3211 	    break;
3212 	}
3213 	pos->col = col;
3214     }
3215 }
3216 
3217 /*
3218  * Get class of a character for selection: same class means same word.
3219  * 0: blank
3220  * 1: punctuation groups
3221  * 2: normal word character
3222  * >2: multi-byte word character.
3223  */
3224     static int
3225 get_mouse_class(p)
3226     char_u	*p;
3227 {
3228     int		c;
3229 
3230 #ifdef FEAT_MBYTE
3231     if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3232 	return mb_get_class(p);
3233 #endif
3234 
3235     c = *p;
3236     if (c == ' ' || c == '\t')
3237 	return 0;
3238 
3239     if (vim_iswordc(c))
3240 	return 2;
3241 
3242     /*
3243      * There are a few special cases where we want certain combinations of
3244      * characters to be considered as a single word.  These are things like
3245      * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc.  Otherwise, each
3246      * character is in its own class.
3247      */
3248     if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3249 	return 1;
3250     return c;
3251 }
3252 #endif /* FEAT_MOUSE */
3253 
3254 /*
3255  * Check if  highlighting for visual mode is possible, give a warning message
3256  * if not.
3257  */
3258     void
3259 check_visual_highlight()
3260 {
3261     static int	    did_check = FALSE;
3262 
3263     if (full_screen)
3264     {
3265 	if (!did_check && hl_attr(HLF_V) == 0)
3266 	    MSG(_("Warning: terminal cannot highlight"));
3267 	did_check = TRUE;
3268     }
3269 }
3270 
3271 /*
3272  * End Visual mode.
3273  * This function should ALWAYS be called to end Visual mode, except from
3274  * do_pending_operator().
3275  */
3276     void
3277 end_visual_mode()
3278 {
3279 #ifdef FEAT_CLIPBOARD
3280     /*
3281      * If we are using the clipboard, then remember what was selected in case
3282      * we need to paste it somewhere while we still own the selection.
3283      * Only do this when the clipboard is already owned.  Don't want to grab
3284      * the selection when hitting ESC.
3285      */
3286     if (clip_star.available && clip_star.owned)
3287 	clip_auto_select();
3288 #endif
3289 
3290     VIsual_active = FALSE;
3291 #ifdef FEAT_MOUSE
3292     setmouse();
3293     mouse_dragging = 0;
3294 #endif
3295 
3296     /* Save the current VIsual area for '< and '> marks, and "gv" */
3297     curbuf->b_visual.vi_mode = VIsual_mode;
3298     curbuf->b_visual.vi_start = VIsual;
3299     curbuf->b_visual.vi_end = curwin->w_cursor;
3300     curbuf->b_visual.vi_curswant = curwin->w_curswant;
3301 #ifdef FEAT_EVAL
3302     curbuf->b_visual_mode_eval = VIsual_mode;
3303 #endif
3304 #ifdef FEAT_VIRTUALEDIT
3305     if (!virtual_active())
3306 	curwin->w_cursor.coladd = 0;
3307 #endif
3308 
3309     if (mode_displayed)
3310 	clear_cmdline = TRUE;		/* unshow visual mode later */
3311 #ifdef FEAT_CMDL_INFO
3312     else
3313 	clear_showcmd();
3314 #endif
3315 
3316     adjust_cursor_eol();
3317 }
3318 
3319 /*
3320  * Reset VIsual_active and VIsual_reselect.
3321  */
3322     void
3323 reset_VIsual_and_resel()
3324 {
3325     if (VIsual_active)
3326     {
3327 	end_visual_mode();
3328 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3329     }
3330     VIsual_reselect = FALSE;
3331 }
3332 
3333 /*
3334  * Reset VIsual_active and VIsual_reselect if it's set.
3335  */
3336     void
3337 reset_VIsual()
3338 {
3339     if (VIsual_active)
3340     {
3341 	end_visual_mode();
3342 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3343 	VIsual_reselect = FALSE;
3344     }
3345 }
3346 
3347 #if defined(FEAT_BEVAL)
3348 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3349 
3350 /*
3351  * Check for a balloon-eval special item to include when searching for an
3352  * identifier.  When "dir" is BACKWARD "ptr[-1]" must be valid!
3353  * Returns TRUE if the character at "*ptr" should be included.
3354  * "dir" is FORWARD or BACKWARD, the direction of searching.
3355  * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3356  * "bnp" points to a counter for square brackets.
3357  */
3358     static int
3359 find_is_eval_item(ptr, colp, bnp, dir)
3360     char_u	*ptr;
3361     int		*colp;
3362     int		*bnp;
3363     int		dir;
3364 {
3365     /* Accept everything inside []. */
3366     if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3367 	++*bnp;
3368     if (*bnp > 0)
3369     {
3370 	if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3371 	    --*bnp;
3372 	return TRUE;
3373     }
3374 
3375     /* skip over "s.var" */
3376     if (*ptr == '.')
3377 	return TRUE;
3378 
3379     /* two-character item: s->var */
3380     if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3381 	    && ptr[dir == BACKWARD ? -1 : 0] == '-')
3382     {
3383 	*colp += dir;
3384 	return TRUE;
3385     }
3386     return FALSE;
3387 }
3388 #endif
3389 
3390 /*
3391  * Find the identifier under or to the right of the cursor.
3392  * "find_type" can have one of three values:
3393  * FIND_IDENT:   find an identifier (keyword)
3394  * FIND_STRING:  find any non-white string
3395  * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3396  * FIND_EVAL:	 find text useful for C program debugging
3397  *
3398  * There are three steps:
3399  * 1. Search forward for the start of an identifier/string.  Doesn't move if
3400  *    already on one.
3401  * 2. Search backward for the start of this identifier/string.
3402  *    This doesn't match the real Vi but I like it a little better and it
3403  *    shouldn't bother anyone.
3404  * 3. Search forward to the end of this identifier/string.
3405  *    When FIND_IDENT isn't defined, we backup until a blank.
3406  *
3407  * Returns the length of the string, or zero if no string is found.
3408  * If a string is found, a pointer to the string is put in "*string".  This
3409  * string is not always NUL terminated.
3410  */
3411     int
3412 find_ident_under_cursor(string, find_type)
3413     char_u	**string;
3414     int		find_type;
3415 {
3416     return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3417 				     curwin->w_cursor.col, string, find_type);
3418 }
3419 
3420 /*
3421  * Like find_ident_under_cursor(), but for any window and any position.
3422  * However: Uses 'iskeyword' from the current window!.
3423  */
3424     int
3425 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3426     win_T	*wp;
3427     linenr_T	lnum;
3428     colnr_T	startcol;
3429     char_u	**string;
3430     int		find_type;
3431 {
3432     char_u	*ptr;
3433     int		col = 0;	    /* init to shut up GCC */
3434     int		i;
3435 #ifdef FEAT_MBYTE
3436     int		this_class = 0;
3437     int		prev_class;
3438     int		prevcol;
3439 #endif
3440 #if defined(FEAT_BEVAL)
3441     int		bn = 0;	    /* bracket nesting */
3442 #endif
3443 
3444     /*
3445      * if i == 0: try to find an identifier
3446      * if i == 1: try to find any non-white string
3447      */
3448     ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3449     for (i = (find_type & FIND_IDENT) ? 0 : 1;	i < 2; ++i)
3450     {
3451 	/*
3452 	 * 1. skip to start of identifier/string
3453 	 */
3454 	col = startcol;
3455 #ifdef FEAT_MBYTE
3456 	if (has_mbyte)
3457 	{
3458 	    while (ptr[col] != NUL)
3459 	    {
3460 # if defined(FEAT_BEVAL)
3461 		/* Stop at a ']' to evaluate "a[x]". */
3462 		if ((find_type & FIND_EVAL) && ptr[col] == ']')
3463 		    break;
3464 # endif
3465 		this_class = mb_get_class(ptr + col);
3466 		if (this_class != 0 && (i == 1 || this_class != 1))
3467 		    break;
3468 		col += (*mb_ptr2len)(ptr + col);
3469 	    }
3470 	}
3471 	else
3472 #endif
3473 	    while (ptr[col] != NUL
3474 		    && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3475 # if defined(FEAT_BEVAL)
3476 		    && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3477 # endif
3478 		    )
3479 		++col;
3480 
3481 #if defined(FEAT_BEVAL)
3482 	/* When starting on a ']' count it, so that we include the '['. */
3483 	bn = ptr[col] == ']';
3484 #endif
3485 
3486 	/*
3487 	 * 2. Back up to start of identifier/string.
3488 	 */
3489 #ifdef FEAT_MBYTE
3490 	if (has_mbyte)
3491 	{
3492 	    /* Remember class of character under cursor. */
3493 # if defined(FEAT_BEVAL)
3494 	    if ((find_type & FIND_EVAL) && ptr[col] == ']')
3495 		this_class = mb_get_class((char_u *)"a");
3496 	    else
3497 # endif
3498 		this_class = mb_get_class(ptr + col);
3499 	    while (col > 0 && this_class != 0)
3500 	    {
3501 		prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3502 		prev_class = mb_get_class(ptr + prevcol);
3503 		if (this_class != prev_class
3504 			&& (i == 0
3505 			    || prev_class == 0
3506 			    || (find_type & FIND_IDENT))
3507 # if defined(FEAT_BEVAL)
3508 			&& (!(find_type & FIND_EVAL)
3509 			    || prevcol == 0
3510 			    || !find_is_eval_item(ptr + prevcol, &prevcol,
3511 							       &bn, BACKWARD))
3512 # endif
3513 			)
3514 		    break;
3515 		col = prevcol;
3516 	    }
3517 
3518 	    /* If we don't want just any old string, or we've found an
3519 	     * identifier, stop searching. */
3520 	    if (this_class > 2)
3521 		this_class = 2;
3522 	    if (!(find_type & FIND_STRING) || this_class == 2)
3523 		break;
3524 	}
3525 	else
3526 #endif
3527 	{
3528 	    while (col > 0
3529 		    && ((i == 0
3530 			    ? vim_iswordc(ptr[col - 1])
3531 			    : (!vim_iswhite(ptr[col - 1])
3532 				&& (!(find_type & FIND_IDENT)
3533 				    || !vim_iswordc(ptr[col - 1]))))
3534 #if defined(FEAT_BEVAL)
3535 			|| ((find_type & FIND_EVAL)
3536 			    && col > 1
3537 			    && find_is_eval_item(ptr + col - 1, &col,
3538 							       &bn, BACKWARD))
3539 #endif
3540 			))
3541 		--col;
3542 
3543 	    /* If we don't want just any old string, or we've found an
3544 	     * identifier, stop searching. */
3545 	    if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3546 		break;
3547 	}
3548     }
3549 
3550     if (ptr[col] == NUL || (i == 0 && (
3551 #ifdef FEAT_MBYTE
3552 		has_mbyte ? this_class != 2 :
3553 #endif
3554 		!vim_iswordc(ptr[col]))))
3555     {
3556 	/*
3557 	 * didn't find an identifier or string
3558 	 */
3559 	if (find_type & FIND_STRING)
3560 	    EMSG(_("E348: No string under cursor"));
3561 	else
3562 	    EMSG(_(e_noident));
3563 	return 0;
3564     }
3565     ptr += col;
3566     *string = ptr;
3567 
3568     /*
3569      * 3. Find the end if the identifier/string.
3570      */
3571 #if defined(FEAT_BEVAL)
3572     bn = 0;
3573     startcol -= col;
3574 #endif
3575     col = 0;
3576 #ifdef FEAT_MBYTE
3577     if (has_mbyte)
3578     {
3579 	/* Search for point of changing multibyte character class. */
3580 	this_class = mb_get_class(ptr);
3581 	while (ptr[col] != NUL
3582 		&& ((i == 0 ? mb_get_class(ptr + col) == this_class
3583 			    : mb_get_class(ptr + col) != 0)
3584 # if defined(FEAT_BEVAL)
3585 		    || ((find_type & FIND_EVAL)
3586 			&& col <= (int)startcol
3587 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3588 # endif
3589 		))
3590 	    col += (*mb_ptr2len)(ptr + col);
3591     }
3592     else
3593 #endif
3594 	while ((i == 0 ? vim_iswordc(ptr[col])
3595 		       : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3596 # if defined(FEAT_BEVAL)
3597 		    || ((find_type & FIND_EVAL)
3598 			&& col <= (int)startcol
3599 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3600 # endif
3601 		)
3602 	{
3603 	    ++col;
3604 	}
3605 
3606     return col;
3607 }
3608 
3609 /*
3610  * Prepare for redo of a normal command.
3611  */
3612     static void
3613 prep_redo_cmd(cap)
3614     cmdarg_T  *cap;
3615 {
3616     prep_redo(cap->oap->regname, cap->count0,
3617 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3618 }
3619 
3620 /*
3621  * Prepare for redo of any command.
3622  * Note that only the last argument can be a multi-byte char.
3623  */
3624     static void
3625 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3626     int	    regname;
3627     long    num;
3628     int	    cmd1;
3629     int	    cmd2;
3630     int	    cmd3;
3631     int	    cmd4;
3632     int	    cmd5;
3633 {
3634     ResetRedobuff();
3635     if (regname != 0)	/* yank from specified buffer */
3636     {
3637 	AppendCharToRedobuff('"');
3638 	AppendCharToRedobuff(regname);
3639     }
3640     if (num)
3641 	AppendNumberToRedobuff(num);
3642 
3643     if (cmd1 != NUL)
3644 	AppendCharToRedobuff(cmd1);
3645     if (cmd2 != NUL)
3646 	AppendCharToRedobuff(cmd2);
3647     if (cmd3 != NUL)
3648 	AppendCharToRedobuff(cmd3);
3649     if (cmd4 != NUL)
3650 	AppendCharToRedobuff(cmd4);
3651     if (cmd5 != NUL)
3652 	AppendCharToRedobuff(cmd5);
3653 }
3654 
3655 /*
3656  * check for operator active and clear it
3657  *
3658  * return TRUE if operator was active
3659  */
3660     static int
3661 checkclearop(oap)
3662     oparg_T	*oap;
3663 {
3664     if (oap->op_type == OP_NOP)
3665 	return FALSE;
3666     clearopbeep(oap);
3667     return TRUE;
3668 }
3669 
3670 /*
3671  * Check for operator or Visual active.  Clear active operator.
3672  *
3673  * Return TRUE if operator or Visual was active.
3674  */
3675     static int
3676 checkclearopq(oap)
3677     oparg_T	*oap;
3678 {
3679     if (oap->op_type == OP_NOP && !VIsual_active)
3680 	return FALSE;
3681     clearopbeep(oap);
3682     return TRUE;
3683 }
3684 
3685     static void
3686 clearop(oap)
3687     oparg_T	*oap;
3688 {
3689     oap->op_type = OP_NOP;
3690     oap->regname = 0;
3691     oap->motion_force = NUL;
3692     oap->use_reg_one = FALSE;
3693 }
3694 
3695     static void
3696 clearopbeep(oap)
3697     oparg_T	*oap;
3698 {
3699     clearop(oap);
3700     beep_flush();
3701 }
3702 
3703 /*
3704  * Remove the shift modifier from a special key.
3705  */
3706     static void
3707 unshift_special(cap)
3708     cmdarg_T	*cap;
3709 {
3710     switch (cap->cmdchar)
3711     {
3712 	case K_S_RIGHT:	cap->cmdchar = K_RIGHT; break;
3713 	case K_S_LEFT:	cap->cmdchar = K_LEFT; break;
3714 	case K_S_UP:	cap->cmdchar = K_UP; break;
3715 	case K_S_DOWN:	cap->cmdchar = K_DOWN; break;
3716 	case K_S_HOME:	cap->cmdchar = K_HOME; break;
3717 	case K_S_END:	cap->cmdchar = K_END; break;
3718     }
3719     cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3720 }
3721 
3722 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3723 /*
3724  * Routines for displaying a partly typed command
3725  */
3726 
3727 #define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3728 static char_u	showcmd_buf[SHOWCMD_BUFLEN];
3729 static char_u	old_showcmd_buf[SHOWCMD_BUFLEN];  /* For push_showcmd() */
3730 static int	showcmd_is_clear = TRUE;
3731 static int	showcmd_visual = FALSE;
3732 
3733 static void display_showcmd __ARGS((void));
3734 
3735     void
3736 clear_showcmd()
3737 {
3738     if (!p_sc)
3739 	return;
3740 
3741     if (VIsual_active && !char_avail())
3742     {
3743 	int		cursor_bot = lt(VIsual, curwin->w_cursor);
3744 	long		lines;
3745 	colnr_T		leftcol, rightcol;
3746 	linenr_T	top, bot;
3747 
3748 	/* Show the size of the Visual area. */
3749 	if (cursor_bot)
3750 	{
3751 	    top = VIsual.lnum;
3752 	    bot = curwin->w_cursor.lnum;
3753 	}
3754 	else
3755 	{
3756 	    top = curwin->w_cursor.lnum;
3757 	    bot = VIsual.lnum;
3758 	}
3759 # ifdef FEAT_FOLDING
3760 	/* Include closed folds as a whole. */
3761 	hasFolding(top, &top, NULL);
3762 	hasFolding(bot, NULL, &bot);
3763 # endif
3764 	lines = bot - top + 1;
3765 
3766 	if (VIsual_mode == Ctrl_V)
3767 	{
3768 # ifdef FEAT_LINEBREAK
3769 	    char_u *saved_sbr = p_sbr;
3770 
3771 	    /* Make 'sbr' empty for a moment to get the correct size. */
3772 	    p_sbr = empty_option;
3773 # endif
3774 	    getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3775 # ifdef FEAT_LINEBREAK
3776 	    p_sbr = saved_sbr;
3777 # endif
3778 	    sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3779 					      (long)(rightcol - leftcol + 1));
3780 	}
3781 	else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3782 	    sprintf((char *)showcmd_buf, "%ld", lines);
3783 	else
3784 	{
3785 	    char_u  *s, *e;
3786 	    int	    l;
3787 	    int	    bytes = 0;
3788 	    int	    chars = 0;
3789 
3790 	    if (cursor_bot)
3791 	    {
3792 		s = ml_get_pos(&VIsual);
3793 		e = ml_get_cursor();
3794 	    }
3795 	    else
3796 	    {
3797 		s = ml_get_cursor();
3798 		e = ml_get_pos(&VIsual);
3799 	    }
3800 	    while ((*p_sel != 'e') ? s <= e : s < e)
3801 	    {
3802 # ifdef FEAT_MBYTE
3803 		l = (*mb_ptr2len)(s);
3804 # else
3805 		l = (*s == NUL) ? 0 : 1;
3806 # endif
3807 		if (l == 0)
3808 		{
3809 		    ++bytes;
3810 		    ++chars;
3811 		    break;  /* end of line */
3812 		}
3813 		bytes += l;
3814 		++chars;
3815 		s += l;
3816 	    }
3817 	    if (bytes == chars)
3818 		sprintf((char *)showcmd_buf, "%d", chars);
3819 	    else
3820 		sprintf((char *)showcmd_buf, "%d-%d", chars, bytes);
3821 	}
3822 	showcmd_buf[SHOWCMD_COLS] = NUL;	/* truncate */
3823 	showcmd_visual = TRUE;
3824     }
3825     else
3826     {
3827 	showcmd_buf[0] = NUL;
3828 	showcmd_visual = FALSE;
3829 
3830 	/* Don't actually display something if there is nothing to clear. */
3831 	if (showcmd_is_clear)
3832 	    return;
3833     }
3834 
3835     display_showcmd();
3836 }
3837 
3838 /*
3839  * Add 'c' to string of shown command chars.
3840  * Return TRUE if output has been written (and setcursor() has been called).
3841  */
3842     int
3843 add_to_showcmd(c)
3844     int		c;
3845 {
3846     char_u	*p;
3847     int		old_len;
3848     int		extra_len;
3849     int		overflow;
3850 #if defined(FEAT_MOUSE)
3851     int		i;
3852     static int	ignore[] =
3853     {
3854 # ifdef FEAT_GUI
3855 	K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3856 	K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3857 # endif
3858 	K_IGNORE,
3859 	K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3860 	K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3861 	K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3862 	K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT,
3863 	K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3864 	K_CURSORHOLD,
3865 	0
3866     };
3867 #endif
3868 
3869     if (!p_sc || msg_silent != 0)
3870 	return FALSE;
3871 
3872     if (showcmd_visual)
3873     {
3874 	showcmd_buf[0] = NUL;
3875 	showcmd_visual = FALSE;
3876     }
3877 
3878 #if defined(FEAT_MOUSE)
3879     /* Ignore keys that are scrollbar updates and mouse clicks */
3880     if (IS_SPECIAL(c))
3881 	for (i = 0; ignore[i] != 0; ++i)
3882 	    if (ignore[i] == c)
3883 		return FALSE;
3884 #endif
3885 
3886     p = transchar(c);
3887     if (*p == ' ')
3888 	STRCPY(p, "<20>");
3889     old_len = (int)STRLEN(showcmd_buf);
3890     extra_len = (int)STRLEN(p);
3891     overflow = old_len + extra_len - SHOWCMD_COLS;
3892     if (overflow > 0)
3893 	mch_memmove(showcmd_buf, showcmd_buf + overflow,
3894 						      old_len - overflow + 1);
3895     STRCAT(showcmd_buf, p);
3896 
3897     if (char_avail())
3898 	return FALSE;
3899 
3900     display_showcmd();
3901 
3902     return TRUE;
3903 }
3904 
3905     void
3906 add_to_showcmd_c(c)
3907     int		c;
3908 {
3909     if (!add_to_showcmd(c))
3910 	setcursor();
3911 }
3912 
3913 /*
3914  * Delete 'len' characters from the end of the shown command.
3915  */
3916     static void
3917 del_from_showcmd(len)
3918     int	    len;
3919 {
3920     int	    old_len;
3921 
3922     if (!p_sc)
3923 	return;
3924 
3925     old_len = (int)STRLEN(showcmd_buf);
3926     if (len > old_len)
3927 	len = old_len;
3928     showcmd_buf[old_len - len] = NUL;
3929 
3930     if (!char_avail())
3931 	display_showcmd();
3932 }
3933 
3934 /*
3935  * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3936  * something and there is a partial mapping.
3937  */
3938     void
3939 push_showcmd()
3940 {
3941     if (p_sc)
3942 	STRCPY(old_showcmd_buf, showcmd_buf);
3943 }
3944 
3945     void
3946 pop_showcmd()
3947 {
3948     if (!p_sc)
3949 	return;
3950 
3951     STRCPY(showcmd_buf, old_showcmd_buf);
3952 
3953     display_showcmd();
3954 }
3955 
3956     static void
3957 display_showcmd()
3958 {
3959     int	    len;
3960 
3961     cursor_off();
3962 
3963     len = (int)STRLEN(showcmd_buf);
3964     if (len == 0)
3965 	showcmd_is_clear = TRUE;
3966     else
3967     {
3968 	screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3969 	showcmd_is_clear = FALSE;
3970     }
3971 
3972     /*
3973      * clear the rest of an old message by outputting up to SHOWCMD_COLS
3974      * spaces
3975      */
3976     screen_puts((char_u *)"          " + len, (int)Rows - 1, sc_col + len, 0);
3977 
3978     setcursor();	    /* put cursor back where it belongs */
3979 }
3980 #endif
3981 
3982 #ifdef FEAT_SCROLLBIND
3983 /*
3984  * When "check" is FALSE, prepare for commands that scroll the window.
3985  * When "check" is TRUE, take care of scroll-binding after the window has
3986  * scrolled.  Called from normal_cmd() and edit().
3987  */
3988     void
3989 do_check_scrollbind(check)
3990     int		check;
3991 {
3992     static win_T	*old_curwin = NULL;
3993     static linenr_T	old_topline = 0;
3994 #ifdef FEAT_DIFF
3995     static int		old_topfill = 0;
3996 #endif
3997     static buf_T	*old_buf = NULL;
3998     static colnr_T	old_leftcol = 0;
3999 
4000     if (check && curwin->w_p_scb)
4001     {
4002 	/* If a ":syncbind" command was just used, don't scroll, only reset
4003 	 * the values. */
4004 	if (did_syncbind)
4005 	    did_syncbind = FALSE;
4006 	else if (curwin == old_curwin)
4007 	{
4008 	    /*
4009 	     * Synchronize other windows, as necessary according to
4010 	     * 'scrollbind'.  Don't do this after an ":edit" command, except
4011 	     * when 'diff' is set.
4012 	     */
4013 	    if ((curwin->w_buffer == old_buf
4014 #ifdef FEAT_DIFF
4015 			|| curwin->w_p_diff
4016 #endif
4017 		)
4018 		&& (curwin->w_topline != old_topline
4019 #ifdef FEAT_DIFF
4020 			|| curwin->w_topfill != old_topfill
4021 #endif
4022 			|| curwin->w_leftcol != old_leftcol))
4023 	    {
4024 		check_scrollbind(curwin->w_topline - old_topline,
4025 			(long)(curwin->w_leftcol - old_leftcol));
4026 	    }
4027 	}
4028 	else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
4029 	{
4030 	    /*
4031 	     * When switching between windows, make sure that the relative
4032 	     * vertical offset is valid for the new window.  The relative
4033 	     * offset is invalid whenever another 'scrollbind' window has
4034 	     * scrolled to a point that would force the current window to
4035 	     * scroll past the beginning or end of its buffer.  When the
4036 	     * resync is performed, some of the other 'scrollbind' windows may
4037 	     * need to jump so that the current window's relative position is
4038 	     * visible on-screen.
4039 	     */
4040 	    check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
4041 	}
4042 	curwin->w_scbind_pos = curwin->w_topline;
4043     }
4044 
4045     old_curwin = curwin;
4046     old_topline = curwin->w_topline;
4047 #ifdef FEAT_DIFF
4048     old_topfill = curwin->w_topfill;
4049 #endif
4050     old_buf = curwin->w_buffer;
4051     old_leftcol = curwin->w_leftcol;
4052 }
4053 
4054 /*
4055  * Synchronize any windows that have "scrollbind" set, based on the
4056  * number of rows by which the current window has changed
4057  * (1998-11-02 16:21:01  R. Edward Ralston <[email protected]>)
4058  */
4059     void
4060 check_scrollbind(topline_diff, leftcol_diff)
4061     linenr_T	topline_diff;
4062     long	leftcol_diff;
4063 {
4064     int		want_ver;
4065     int		want_hor;
4066     win_T	*old_curwin = curwin;
4067     buf_T	*old_curbuf = curbuf;
4068     int		old_VIsual_select = VIsual_select;
4069     int		old_VIsual_active = VIsual_active;
4070     colnr_T	tgt_leftcol = curwin->w_leftcol;
4071     long	topline;
4072     long	y;
4073 
4074     /*
4075      * check 'scrollopt' string for vertical and horizontal scroll options
4076      */
4077     want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
4078 #ifdef FEAT_DIFF
4079     want_ver |= old_curwin->w_p_diff;
4080 #endif
4081     want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
4082 
4083     /*
4084      * loop through the scrollbound windows and scroll accordingly
4085      */
4086     VIsual_select = VIsual_active = 0;
4087     for (curwin = firstwin; curwin; curwin = curwin->w_next)
4088     {
4089 	curbuf = curwin->w_buffer;
4090 	/* skip original window  and windows with 'noscrollbind' */
4091 	if (curwin != old_curwin && curwin->w_p_scb)
4092 	{
4093 	    /*
4094 	     * do the vertical scroll
4095 	     */
4096 	    if (want_ver)
4097 	    {
4098 #ifdef FEAT_DIFF
4099 		if (old_curwin->w_p_diff && curwin->w_p_diff)
4100 		{
4101 		    diff_set_topline(old_curwin, curwin);
4102 		}
4103 		else
4104 #endif
4105 		{
4106 		    curwin->w_scbind_pos += topline_diff;
4107 		    topline = curwin->w_scbind_pos;
4108 		    if (topline > curbuf->b_ml.ml_line_count)
4109 			topline = curbuf->b_ml.ml_line_count;
4110 		    if (topline < 1)
4111 			topline = 1;
4112 
4113 		    y = topline - curwin->w_topline;
4114 		    if (y > 0)
4115 			scrollup(y, FALSE);
4116 		    else
4117 			scrolldown(-y, FALSE);
4118 		}
4119 
4120 		redraw_later(VALID);
4121 		cursor_correct();
4122 #ifdef FEAT_WINDOWS
4123 		curwin->w_redr_status = TRUE;
4124 #endif
4125 	    }
4126 
4127 	    /*
4128 	     * do the horizontal scroll
4129 	     */
4130 	    if (want_hor && curwin->w_leftcol != tgt_leftcol)
4131 	    {
4132 		curwin->w_leftcol = tgt_leftcol;
4133 		leftcol_changed();
4134 	    }
4135 	}
4136     }
4137 
4138     /*
4139      * reset current-window
4140      */
4141     VIsual_select = old_VIsual_select;
4142     VIsual_active = old_VIsual_active;
4143     curwin = old_curwin;
4144     curbuf = old_curbuf;
4145 }
4146 #endif /* #ifdef FEAT_SCROLLBIND */
4147 
4148 /*
4149  * Command character that's ignored.
4150  * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4151  * xon/xoff.
4152  */
4153     static void
4154 nv_ignore(cap)
4155     cmdarg_T	*cap;
4156 {
4157     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
4158 }
4159 
4160 /*
4161  * Command character that doesn't do anything, but unlike nv_ignore() does
4162  * start edit().  Used for "startinsert" executed while starting up.
4163  */
4164     static void
4165 nv_nop(cap)
4166     cmdarg_T	*cap UNUSED;
4167 {
4168 }
4169 
4170 /*
4171  * Command character doesn't exist.
4172  */
4173     static void
4174 nv_error(cap)
4175     cmdarg_T	*cap;
4176 {
4177     clearopbeep(cap->oap);
4178 }
4179 
4180 /*
4181  * <Help> and <F1> commands.
4182  */
4183     static void
4184 nv_help(cap)
4185     cmdarg_T	*cap;
4186 {
4187     if (!checkclearopq(cap->oap))
4188 	ex_help(NULL);
4189 }
4190 
4191 /*
4192  * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4193  */
4194     static void
4195 nv_addsub(cap)
4196     cmdarg_T	*cap;
4197 {
4198     if (!checkclearopq(cap->oap)
4199 	    && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4200 	prep_redo_cmd(cap);
4201 }
4202 
4203 /*
4204  * CTRL-F, CTRL-B, etc: Scroll page up or down.
4205  */
4206     static void
4207 nv_page(cap)
4208     cmdarg_T	*cap;
4209 {
4210     if (!checkclearop(cap->oap))
4211     {
4212 #ifdef FEAT_WINDOWS
4213 	if (mod_mask & MOD_MASK_CTRL)
4214 	{
4215 	    /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4216 	    if (cap->arg == BACKWARD)
4217 		goto_tabpage(-(int)cap->count1);
4218 	    else
4219 		goto_tabpage((int)cap->count0);
4220 	}
4221 	else
4222 #endif
4223 	(void)onepage(cap->arg, cap->count1);
4224     }
4225 }
4226 
4227 /*
4228  * Implementation of "gd" and "gD" command.
4229  */
4230     static void
4231 nv_gd(oap, nchar, thisblock)
4232     oparg_T	*oap;
4233     int		nchar;
4234     int		thisblock;	/* 1 for "1gd" and "1gD" */
4235 {
4236     int		len;
4237     char_u	*ptr;
4238 
4239     if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4240 	    || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4241 	clearopbeep(oap);
4242 #ifdef FEAT_FOLDING
4243     else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4244 	foldOpenCursor();
4245 #endif
4246 }
4247 
4248 /*
4249  * Search for variable declaration of "ptr[len]".
4250  * When "locally" is TRUE in the current function ("gd"), otherwise in the
4251  * current file ("gD").
4252  * When "thisblock" is TRUE check the {} block scope.
4253  * Return FAIL when not found.
4254  */
4255     int
4256 find_decl(ptr, len, locally, thisblock, searchflags)
4257     char_u	*ptr;
4258     int		len;
4259     int		locally;
4260     int		thisblock;
4261     int		searchflags;	/* flags passed to searchit() */
4262 {
4263     char_u	*pat;
4264     pos_T	old_pos;
4265     pos_T	par_pos;
4266     pos_T	found_pos;
4267     int		t;
4268     int		save_p_ws;
4269     int		save_p_scs;
4270     int		retval = OK;
4271     int		incll;
4272 
4273     if ((pat = alloc(len + 7)) == NULL)
4274 	return FAIL;
4275 
4276     /* Put "\V" before the pattern to avoid that the special meaning of "."
4277      * and "~" causes trouble. */
4278     sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4279 								    len, ptr);
4280     old_pos = curwin->w_cursor;
4281     save_p_ws = p_ws;
4282     save_p_scs = p_scs;
4283     p_ws = FALSE;	/* don't wrap around end of file now */
4284     p_scs = FALSE;	/* don't switch ignorecase off now */
4285 
4286     /*
4287      * With "gD" go to line 1.
4288      * With "gd" Search back for the start of the current function, then go
4289      * back until a blank line.  If this fails go to line 1.
4290      */
4291     if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4292     {
4293 	setpcmark();			/* Set in findpar() otherwise */
4294 	curwin->w_cursor.lnum = 1;
4295 	par_pos = curwin->w_cursor;
4296     }
4297     else
4298     {
4299 	par_pos = curwin->w_cursor;
4300 	while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4301 	    --curwin->w_cursor.lnum;
4302     }
4303     curwin->w_cursor.col = 0;
4304 
4305     /* Search forward for the identifier, ignore comment lines. */
4306     clearpos(&found_pos);
4307     for (;;)
4308     {
4309 	t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4310 			    pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
4311 	if (curwin->w_cursor.lnum >= old_pos.lnum)
4312 	    t = FAIL;	/* match after start is failure too */
4313 
4314 	if (thisblock && t != FAIL)
4315 	{
4316 	    pos_T	*pos;
4317 
4318 	    /* Check that the block the match is in doesn't end before the
4319 	     * position where we started the search from. */
4320 	    if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4321 		     (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4322 		    && pos->lnum < old_pos.lnum)
4323 		continue;
4324 	}
4325 
4326 	if (t == FAIL)
4327 	{
4328 	    /* If we previously found a valid position, use it. */
4329 	    if (found_pos.lnum != 0)
4330 	    {
4331 		curwin->w_cursor = found_pos;
4332 		t = OK;
4333 	    }
4334 	    break;
4335 	}
4336 #ifdef FEAT_COMMENTS
4337 	if (get_leader_len(ml_get_curline(), NULL, FALSE, TRUE) > 0)
4338 	{
4339 	    /* Ignore this line, continue at start of next line. */
4340 	    ++curwin->w_cursor.lnum;
4341 	    curwin->w_cursor.col = 0;
4342 	    continue;
4343 	}
4344 #endif
4345 	if (!locally)	/* global search: use first match found */
4346 	    break;
4347 	if (curwin->w_cursor.lnum >= par_pos.lnum)
4348 	{
4349 	    /* If we previously found a valid position, use it. */
4350 	    if (found_pos.lnum != 0)
4351 		curwin->w_cursor = found_pos;
4352 	    break;
4353 	}
4354 
4355 	/* For finding a local variable and the match is before the "{" search
4356 	 * to find a later match.  For K&R style function declarations this
4357 	 * skips the function header without types. */
4358 	found_pos = curwin->w_cursor;
4359     }
4360 
4361     if (t == FAIL)
4362     {
4363 	retval = FAIL;
4364 	curwin->w_cursor = old_pos;
4365     }
4366     else
4367     {
4368 	curwin->w_set_curswant = TRUE;
4369 	/* "n" searches forward now */
4370 	reset_search_dir();
4371     }
4372 
4373     vim_free(pat);
4374     p_ws = save_p_ws;
4375     p_scs = save_p_scs;
4376 
4377     return retval;
4378 }
4379 
4380 /*
4381  * Move 'dist' lines in direction 'dir', counting lines by *screen*
4382  * lines rather than lines in the file.
4383  * 'dist' must be positive.
4384  *
4385  * Return OK if able to move cursor, FAIL otherwise.
4386  */
4387     static int
4388 nv_screengo(oap, dir, dist)
4389     oparg_T	*oap;
4390     int		dir;
4391     long	dist;
4392 {
4393     int		linelen = linetabsize(ml_get_curline());
4394     int		retval = OK;
4395     int		atend = FALSE;
4396     int		n;
4397     int		col_off1;	/* margin offset for first screen line */
4398     int		col_off2;	/* margin offset for wrapped screen line */
4399     int		width1;		/* text width for first screen line */
4400     int		width2;		/* test width for wrapped screen line */
4401 
4402     oap->motion_type = MCHAR;
4403     oap->inclusive = (curwin->w_curswant == MAXCOL);
4404 
4405     col_off1 = curwin_col_off();
4406     col_off2 = col_off1 - curwin_col_off2();
4407     width1 = W_WIDTH(curwin) - col_off1;
4408     width2 = W_WIDTH(curwin) - col_off2;
4409 
4410 #ifdef FEAT_VERTSPLIT
4411     if (curwin->w_width != 0)
4412     {
4413 #endif
4414       /*
4415        * Instead of sticking at the last character of the buffer line we
4416        * try to stick in the last column of the screen.
4417        */
4418       if (curwin->w_curswant == MAXCOL)
4419       {
4420 	atend = TRUE;
4421 	validate_virtcol();
4422 	if (width1 <= 0)
4423 	    curwin->w_curswant = 0;
4424 	else
4425 	{
4426 	    curwin->w_curswant = width1 - 1;
4427 	    if (curwin->w_virtcol > curwin->w_curswant)
4428 		curwin->w_curswant += ((curwin->w_virtcol
4429 			     - curwin->w_curswant - 1) / width2 + 1) * width2;
4430 	}
4431       }
4432       else
4433       {
4434 	if (linelen > width1)
4435 	    n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4436 	else
4437 	    n = width1;
4438 	if (curwin->w_curswant > (colnr_T)n + 1)
4439 	    curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4440 								     * width2;
4441       }
4442 
4443       while (dist--)
4444       {
4445 	if (dir == BACKWARD)
4446 	{
4447 	    if ((long)curwin->w_curswant >= width2)
4448 		/* move back within line */
4449 		curwin->w_curswant -= width2;
4450 	    else
4451 	    {
4452 		/* to previous line */
4453 		if (curwin->w_cursor.lnum == 1)
4454 		{
4455 		    retval = FAIL;
4456 		    break;
4457 		}
4458 		--curwin->w_cursor.lnum;
4459 #ifdef FEAT_FOLDING
4460 		/* Move to the start of a closed fold.  Don't do that when
4461 		 * 'foldopen' contains "all": it will open in a moment. */
4462 		if (!(fdo_flags & FDO_ALL))
4463 		    (void)hasFolding(curwin->w_cursor.lnum,
4464 						&curwin->w_cursor.lnum, NULL);
4465 #endif
4466 		linelen = linetabsize(ml_get_curline());
4467 		if (linelen > width1)
4468 		    curwin->w_curswant += (((linelen - width1 - 1) / width2)
4469 								+ 1) * width2;
4470 	    }
4471 	}
4472 	else /* dir == FORWARD */
4473 	{
4474 	    if (linelen > width1)
4475 		n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4476 	    else
4477 		n = width1;
4478 	    if (curwin->w_curswant + width2 < (colnr_T)n)
4479 		/* move forward within line */
4480 		curwin->w_curswant += width2;
4481 	    else
4482 	    {
4483 		/* to next line */
4484 #ifdef FEAT_FOLDING
4485 		/* Move to the end of a closed fold. */
4486 		(void)hasFolding(curwin->w_cursor.lnum, NULL,
4487 						      &curwin->w_cursor.lnum);
4488 #endif
4489 		if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4490 		{
4491 		    retval = FAIL;
4492 		    break;
4493 		}
4494 		curwin->w_cursor.lnum++;
4495 		curwin->w_curswant %= width2;
4496 		linelen = linetabsize(ml_get_curline());
4497 	    }
4498 	}
4499       }
4500 #ifdef FEAT_VERTSPLIT
4501     }
4502 #endif
4503 
4504     if (virtual_active() && atend)
4505 	coladvance(MAXCOL);
4506     else
4507 	coladvance(curwin->w_curswant);
4508 
4509 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4510     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4511     {
4512 	colnr_T virtcol;
4513 
4514 	/*
4515 	 * Check for landing on a character that got split at the end of the
4516 	 * last line.  We want to advance a screenline, not end up in the same
4517 	 * screenline or move two screenlines.
4518 	 */
4519 	validate_virtcol();
4520 	virtcol = curwin->w_virtcol;
4521 # if defined(FEAT_LINEBREAK)
4522 	if (virtcol > (colnr_T)width1 && *p_sbr != NUL)
4523 	    virtcol -= vim_strsize(p_sbr);
4524 # endif
4525 
4526 	if (virtcol > curwin->w_curswant
4527 		&& (curwin->w_curswant < (colnr_T)width1
4528 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)
4529 		    : ((curwin->w_curswant - width1) % width2
4530 						      > (colnr_T)width2 / 2)))
4531 	    --curwin->w_cursor.col;
4532     }
4533 #endif
4534 
4535     if (atend)
4536 	curwin->w_curswant = MAXCOL;	    /* stick in the last column */
4537 
4538     return retval;
4539 }
4540 
4541 #ifdef FEAT_MOUSE
4542 /*
4543  * Mouse scroll wheel: Default action is to scroll three lines, or one page
4544  * when Shift or Ctrl is used.
4545  * K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or
4546  * K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2)
4547  */
4548     static void
4549 nv_mousescroll(cap)
4550     cmdarg_T	*cap;
4551 {
4552 # ifdef FEAT_WINDOWS
4553     win_T *old_curwin = curwin;
4554 
4555     if (mouse_row >= 0 && mouse_col >= 0)
4556     {
4557 	int row, col;
4558 
4559 	row = mouse_row;
4560 	col = mouse_col;
4561 
4562 	/* find the window at the pointer coordinates */
4563 	curwin = mouse_find_win(&row, &col);
4564 	curbuf = curwin->w_buffer;
4565     }
4566 # endif
4567 
4568     if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
4569     {
4570 	if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4571 	{
4572 	    (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4573 	}
4574 	else
4575 	{
4576 	    cap->count1 = 3;
4577 	    cap->count0 = 3;
4578 	    nv_scroll_line(cap);
4579 	}
4580     }
4581 # ifdef FEAT_GUI
4582     else
4583     {
4584 	/* Horizontal scroll - only allowed when 'wrap' is disabled */
4585 	if (!curwin->w_p_wrap)
4586 	{
4587 	    int val, step = 6;
4588 
4589 	    if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4590 		step = W_WIDTH(curwin);
4591 	    val = curwin->w_leftcol + (cap->arg == MSCR_RIGHT ? -step : +step);
4592 	    if (val < 0)
4593 		val = 0;
4594 
4595 	    gui_do_horiz_scroll(val, TRUE);
4596 	}
4597     }
4598 # endif
4599 
4600 # ifdef FEAT_WINDOWS
4601     curwin->w_redr_status = TRUE;
4602 
4603     curwin = old_curwin;
4604     curbuf = curwin->w_buffer;
4605 # endif
4606 }
4607 
4608 /*
4609  * Mouse clicks and drags.
4610  */
4611     static void
4612 nv_mouse(cap)
4613     cmdarg_T	*cap;
4614 {
4615     (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4616 }
4617 #endif
4618 
4619 /*
4620  * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4621  * cap->arg must be TRUE for CTRL-E.
4622  */
4623     static void
4624 nv_scroll_line(cap)
4625     cmdarg_T	*cap;
4626 {
4627     if (!checkclearop(cap->oap))
4628 	scroll_redraw(cap->arg, cap->count1);
4629 }
4630 
4631 /*
4632  * Scroll "count" lines up or down, and redraw.
4633  */
4634     void
4635 scroll_redraw(up, count)
4636     int		up;
4637     long	count;
4638 {
4639     linenr_T	prev_topline = curwin->w_topline;
4640 #ifdef FEAT_DIFF
4641     int		prev_topfill = curwin->w_topfill;
4642 #endif
4643     linenr_T	prev_lnum = curwin->w_cursor.lnum;
4644 
4645     if (up)
4646 	scrollup(count, TRUE);
4647     else
4648 	scrolldown(count, TRUE);
4649     if (p_so)
4650     {
4651 	/* Adjust the cursor position for 'scrolloff'.  Mark w_topline as
4652 	 * valid, otherwise the screen jumps back at the end of the file. */
4653 	cursor_correct();
4654 	check_cursor_moved(curwin);
4655 	curwin->w_valid |= VALID_TOPLINE;
4656 
4657 	/* If moved back to where we were, at least move the cursor, otherwise
4658 	 * we get stuck at one position.  Don't move the cursor up if the
4659 	 * first line of the buffer is already on the screen */
4660 	while (curwin->w_topline == prev_topline
4661 #ifdef FEAT_DIFF
4662 		&& curwin->w_topfill == prev_topfill
4663 #endif
4664 		)
4665 	{
4666 	    if (up)
4667 	    {
4668 		if (curwin->w_cursor.lnum > prev_lnum
4669 			|| cursor_down(1L, FALSE) == FAIL)
4670 		    break;
4671 	    }
4672 	    else
4673 	    {
4674 		if (curwin->w_cursor.lnum < prev_lnum
4675 			|| prev_topline == 1L
4676 			|| cursor_up(1L, FALSE) == FAIL)
4677 		    break;
4678 	    }
4679 	    /* Mark w_topline as valid, otherwise the screen jumps back at the
4680 	     * end of the file. */
4681 	    check_cursor_moved(curwin);
4682 	    curwin->w_valid |= VALID_TOPLINE;
4683 	}
4684     }
4685     if (curwin->w_cursor.lnum != prev_lnum)
4686 	coladvance(curwin->w_curswant);
4687     redraw_later(VALID);
4688 }
4689 
4690 /*
4691  * Commands that start with "z".
4692  */
4693     static void
4694 nv_zet(cap)
4695     cmdarg_T  *cap;
4696 {
4697     long	n;
4698     colnr_T	col;
4699     int		nchar = cap->nchar;
4700 #ifdef FEAT_FOLDING
4701     long	old_fdl = curwin->w_p_fdl;
4702     int		old_fen = curwin->w_p_fen;
4703 #endif
4704 #ifdef FEAT_SPELL
4705     int		undo = FALSE;
4706 #endif
4707 
4708     if (VIM_ISDIGIT(nchar))
4709     {
4710 	/*
4711 	 * "z123{nchar}": edit the count before obtaining {nchar}
4712 	 */
4713 	if (checkclearop(cap->oap))
4714 	    return;
4715 	n = nchar - '0';
4716 	for (;;)
4717 	{
4718 #ifdef USE_ON_FLY_SCROLL
4719 	    dont_scroll = TRUE;		/* disallow scrolling here */
4720 #endif
4721 	    ++no_mapping;
4722 	    ++allow_keys;   /* no mapping for nchar, but allow key codes */
4723 	    nchar = plain_vgetc();
4724 	    LANGMAP_ADJUST(nchar, TRUE);
4725 	    --no_mapping;
4726 	    --allow_keys;
4727 #ifdef FEAT_CMDL_INFO
4728 	    (void)add_to_showcmd(nchar);
4729 #endif
4730 	    if (nchar == K_DEL || nchar == K_KDEL)
4731 		n /= 10;
4732 	    else if (VIM_ISDIGIT(nchar))
4733 		n = n * 10 + (nchar - '0');
4734 	    else if (nchar == CAR)
4735 	    {
4736 #ifdef FEAT_GUI
4737 		need_mouse_correct = TRUE;
4738 #endif
4739 		win_setheight((int)n);
4740 		break;
4741 	    }
4742 	    else if (nchar == 'l'
4743 		    || nchar == 'h'
4744 		    || nchar == K_LEFT
4745 		    || nchar == K_RIGHT)
4746 	    {
4747 		cap->count1 = n ? n * cap->count1 : cap->count1;
4748 		goto dozet;
4749 	    }
4750 	    else
4751 	    {
4752 		clearopbeep(cap->oap);
4753 		break;
4754 	    }
4755 	}
4756 	cap->oap->op_type = OP_NOP;
4757 	return;
4758     }
4759 
4760 dozet:
4761     if (
4762 #ifdef FEAT_FOLDING
4763 	    /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4764 	     * and "zC" only in Visual mode.  "zj" and "zk" are motion
4765 	     * commands. */
4766 	    cap->nchar != 'f' && cap->nchar != 'F'
4767 	    && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4768 	    && cap->nchar != 'j' && cap->nchar != 'k'
4769 	    &&
4770 #endif
4771 	    checkclearop(cap->oap))
4772 	return;
4773 
4774     /*
4775      * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4776      * If line number given, set cursor.
4777      */
4778     if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4779 	    && cap->count0
4780 	    && cap->count0 != curwin->w_cursor.lnum)
4781     {
4782 	setpcmark();
4783 	if (cap->count0 > curbuf->b_ml.ml_line_count)
4784 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4785 	else
4786 	    curwin->w_cursor.lnum = cap->count0;
4787 	check_cursor_col();
4788     }
4789 
4790     switch (nchar)
4791     {
4792 		/* "z+", "z<CR>" and "zt": put cursor at top of screen */
4793     case '+':
4794 		if (cap->count0 == 0)
4795 		{
4796 		    /* No count given: put cursor at the line below screen */
4797 		    validate_botline();	/* make sure w_botline is valid */
4798 		    if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4799 			curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4800 		    else
4801 			curwin->w_cursor.lnum = curwin->w_botline;
4802 		}
4803 		/* FALLTHROUGH */
4804     case NL:
4805     case CAR:
4806     case K_KENTER:
4807 		beginline(BL_WHITE | BL_FIX);
4808 		/* FALLTHROUGH */
4809 
4810     case 't':	scroll_cursor_top(0, TRUE);
4811 		redraw_later(VALID);
4812 		break;
4813 
4814 		/* "z." and "zz": put cursor in middle of screen */
4815     case '.':	beginline(BL_WHITE | BL_FIX);
4816 		/* FALLTHROUGH */
4817 
4818     case 'z':	scroll_cursor_halfway(TRUE);
4819 		redraw_later(VALID);
4820 		break;
4821 
4822 		/* "z^", "z-" and "zb": put cursor at bottom of screen */
4823     case '^':	/* Strange Vi behavior: <count>z^ finds line at top of window
4824 		 * when <count> is at bottom of window, and puts that one at
4825 		 * bottom of window. */
4826 		if (cap->count0 != 0)
4827 		{
4828 		    scroll_cursor_bot(0, TRUE);
4829 		    curwin->w_cursor.lnum = curwin->w_topline;
4830 		}
4831 		else if (curwin->w_topline == 1)
4832 		    curwin->w_cursor.lnum = 1;
4833 		else
4834 		    curwin->w_cursor.lnum = curwin->w_topline - 1;
4835 		/* FALLTHROUGH */
4836     case '-':
4837 		beginline(BL_WHITE | BL_FIX);
4838 		/* FALLTHROUGH */
4839 
4840     case 'b':	scroll_cursor_bot(0, TRUE);
4841 		redraw_later(VALID);
4842 		break;
4843 
4844 		/* "zH" - scroll screen right half-page */
4845     case 'H':
4846 		cap->count1 *= W_WIDTH(curwin) / 2;
4847 		/* FALLTHROUGH */
4848 
4849 		/* "zh" - scroll screen to the right */
4850     case 'h':
4851     case K_LEFT:
4852 		if (!curwin->w_p_wrap)
4853 		{
4854 		    if ((colnr_T)cap->count1 > curwin->w_leftcol)
4855 			curwin->w_leftcol = 0;
4856 		    else
4857 			curwin->w_leftcol -= (colnr_T)cap->count1;
4858 		    leftcol_changed();
4859 		}
4860 		break;
4861 
4862 		/* "zL" - scroll screen left half-page */
4863     case 'L':	cap->count1 *= W_WIDTH(curwin) / 2;
4864 		/* FALLTHROUGH */
4865 
4866 		/* "zl" - scroll screen to the left */
4867     case 'l':
4868     case K_RIGHT:
4869 		if (!curwin->w_p_wrap)
4870 		{
4871 		    /* scroll the window left */
4872 		    curwin->w_leftcol += (colnr_T)cap->count1;
4873 		    leftcol_changed();
4874 		}
4875 		break;
4876 
4877 		/* "zs" - scroll screen, cursor at the start */
4878     case 's':	if (!curwin->w_p_wrap)
4879 		{
4880 #ifdef FEAT_FOLDING
4881 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4882 			col = 0;	/* like the cursor is in col 0 */
4883 		    else
4884 #endif
4885 		    getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4886 		    if ((long)col > p_siso)
4887 			col -= p_siso;
4888 		    else
4889 			col = 0;
4890 		    if (curwin->w_leftcol != col)
4891 		    {
4892 			curwin->w_leftcol = col;
4893 			redraw_later(NOT_VALID);
4894 		    }
4895 		}
4896 		break;
4897 
4898 		/* "ze" - scroll screen, cursor at the end */
4899     case 'e':	if (!curwin->w_p_wrap)
4900 		{
4901 #ifdef FEAT_FOLDING
4902 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4903 			col = 0;	/* like the cursor is in col 0 */
4904 		    else
4905 #endif
4906 		    getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4907 		    n = W_WIDTH(curwin) - curwin_col_off();
4908 		    if ((long)col + p_siso < n)
4909 			col = 0;
4910 		    else
4911 			col = col + p_siso - n + 1;
4912 		    if (curwin->w_leftcol != col)
4913 		    {
4914 			curwin->w_leftcol = col;
4915 			redraw_later(NOT_VALID);
4916 		    }
4917 		}
4918 		break;
4919 
4920 #ifdef FEAT_FOLDING
4921 		/* "zF": create fold command */
4922 		/* "zf": create fold operator */
4923     case 'F':
4924     case 'f':   if (foldManualAllowed(TRUE))
4925 		{
4926 		    cap->nchar = 'f';
4927 		    nv_operator(cap);
4928 		    curwin->w_p_fen = TRUE;
4929 
4930 		    /* "zF" is like "zfzf" */
4931 		    if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4932 		    {
4933 			nv_operator(cap);
4934 			finish_op = TRUE;
4935 		    }
4936 		}
4937 		else
4938 		    clearopbeep(cap->oap);
4939 		break;
4940 
4941 		/* "zd": delete fold at cursor */
4942 		/* "zD": delete fold at cursor recursively */
4943     case 'd':
4944     case 'D':	if (foldManualAllowed(FALSE))
4945 		{
4946 		    if (VIsual_active)
4947 			nv_operator(cap);
4948 		    else
4949 			deleteFold(curwin->w_cursor.lnum,
4950 				  curwin->w_cursor.lnum, nchar == 'D', FALSE);
4951 		}
4952 		break;
4953 
4954 		/* "zE": erase all folds */
4955     case 'E':	if (foldmethodIsManual(curwin))
4956 		{
4957 		    clearFolding(curwin);
4958 		    changed_window_setting();
4959 		}
4960 		else if (foldmethodIsMarker(curwin))
4961 		    deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4962 								 TRUE, FALSE);
4963 		else
4964 		    EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4965 		break;
4966 
4967 		/* "zn": fold none: reset 'foldenable' */
4968     case 'n':	curwin->w_p_fen = FALSE;
4969 		break;
4970 
4971 		/* "zN": fold Normal: set 'foldenable' */
4972     case 'N':	curwin->w_p_fen = TRUE;
4973 		break;
4974 
4975 		/* "zi": invert folding: toggle 'foldenable' */
4976     case 'i':	curwin->w_p_fen = !curwin->w_p_fen;
4977 		break;
4978 
4979 		/* "za": open closed fold or close open fold at cursor */
4980     case 'a':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4981 		    openFold(curwin->w_cursor.lnum, cap->count1);
4982 		else
4983 		{
4984 		    closeFold(curwin->w_cursor.lnum, cap->count1);
4985 		    curwin->w_p_fen = TRUE;
4986 		}
4987 		break;
4988 
4989 		/* "zA": open fold at cursor recursively */
4990     case 'A':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4991 		    openFoldRecurse(curwin->w_cursor.lnum);
4992 		else
4993 		{
4994 		    closeFoldRecurse(curwin->w_cursor.lnum);
4995 		    curwin->w_p_fen = TRUE;
4996 		}
4997 		break;
4998 
4999 		/* "zo": open fold at cursor or Visual area */
5000     case 'o':	if (VIsual_active)
5001 		    nv_operator(cap);
5002 		else
5003 		    openFold(curwin->w_cursor.lnum, cap->count1);
5004 		break;
5005 
5006 		/* "zO": open fold recursively */
5007     case 'O':	if (VIsual_active)
5008 		    nv_operator(cap);
5009 		else
5010 		    openFoldRecurse(curwin->w_cursor.lnum);
5011 		break;
5012 
5013 		/* "zc": close fold at cursor or Visual area */
5014     case 'c':	if (VIsual_active)
5015 		    nv_operator(cap);
5016 		else
5017 		    closeFold(curwin->w_cursor.lnum, cap->count1);
5018 		curwin->w_p_fen = TRUE;
5019 		break;
5020 
5021 		/* "zC": close fold recursively */
5022     case 'C':	if (VIsual_active)
5023 		    nv_operator(cap);
5024 		else
5025 		    closeFoldRecurse(curwin->w_cursor.lnum);
5026 		curwin->w_p_fen = TRUE;
5027 		break;
5028 
5029 		/* "zv": open folds at the cursor */
5030     case 'v':	foldOpenCursor();
5031 		break;
5032 
5033 		/* "zx": re-apply 'foldlevel' and open folds at the cursor */
5034     case 'x':	curwin->w_p_fen = TRUE;
5035 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
5036 		newFoldLevel();			/* update right now */
5037 		foldOpenCursor();
5038 		break;
5039 
5040 		/* "zX": undo manual opens/closes, re-apply 'foldlevel' */
5041     case 'X':	curwin->w_p_fen = TRUE;
5042 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
5043 		old_fdl = -1;			/* force an update */
5044 		break;
5045 
5046 		/* "zm": fold more */
5047     case 'm':	if (curwin->w_p_fdl > 0)
5048 		    --curwin->w_p_fdl;
5049 		old_fdl = -1;		/* force an update */
5050 		curwin->w_p_fen = TRUE;
5051 		break;
5052 
5053 		/* "zM": close all folds */
5054     case 'M':	curwin->w_p_fdl = 0;
5055 		old_fdl = -1;		/* force an update */
5056 		curwin->w_p_fen = TRUE;
5057 		break;
5058 
5059 		/* "zr": reduce folding */
5060     case 'r':	++curwin->w_p_fdl;
5061 		break;
5062 
5063 		/* "zR": open all folds */
5064     case 'R':	curwin->w_p_fdl = getDeepestNesting();
5065 		old_fdl = -1;		/* force an update */
5066 		break;
5067 
5068     case 'j':	/* "zj" move to next fold downwards */
5069     case 'k':	/* "zk" move to next fold upwards */
5070 		if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
5071 							  cap->count1) == FAIL)
5072 		    clearopbeep(cap->oap);
5073 		break;
5074 
5075 #endif /* FEAT_FOLDING */
5076 
5077 #ifdef FEAT_SPELL
5078     case 'u':	/* "zug" and "zuw": undo "zg" and "zw" */
5079 		++no_mapping;
5080 		++allow_keys;   /* no mapping for nchar, but allow key codes */
5081 		nchar = plain_vgetc();
5082 		LANGMAP_ADJUST(nchar, TRUE);
5083 		--no_mapping;
5084 		--allow_keys;
5085 #ifdef FEAT_CMDL_INFO
5086 		(void)add_to_showcmd(nchar);
5087 #endif
5088 		if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
5089 		{
5090 		    clearopbeep(cap->oap);
5091 		    break;
5092 		}
5093 		undo = TRUE;
5094 		/*FALLTHROUGH*/
5095 
5096     case 'g':	/* "zg": add good word to word list */
5097     case 'w':	/* "zw": add wrong word to word list */
5098     case 'G':	/* "zG": add good word to temp word list */
5099     case 'W':	/* "zW": add wrong word to temp word list */
5100 		{
5101 		    char_u  *ptr = NULL;
5102 		    int	    len;
5103 
5104 		    if (checkclearop(cap->oap))
5105 			break;
5106 		    if (VIsual_active && get_visual_text(cap, &ptr, &len)
5107 								      == FAIL)
5108 			return;
5109 		    if (ptr == NULL)
5110 		    {
5111 			pos_T	pos = curwin->w_cursor;
5112 
5113 			/* Find bad word under the cursor.  When 'spell' is
5114 			 * off this fails and find_ident_under_cursor() is
5115 			 * used below. */
5116 			emsg_off++;
5117 			len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
5118 			emsg_off--;
5119 			if (len != 0 && curwin->w_cursor.col <= pos.col)
5120 			    ptr = ml_get_pos(&curwin->w_cursor);
5121 			curwin->w_cursor = pos;
5122 		    }
5123 
5124 		    if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
5125 							    FIND_IDENT)) == 0)
5126 			return;
5127 		    spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
5128 					    (nchar == 'G' || nchar == 'W')
5129 						       ? 0 : (int)cap->count1,
5130 					    undo);
5131 		}
5132 		break;
5133 
5134     case '=':	/* "z=": suggestions for a badly spelled word  */
5135 		if (!checkclearop(cap->oap))
5136 		    spell_suggest((int)cap->count0);
5137 		break;
5138 #endif
5139 
5140     default:	clearopbeep(cap->oap);
5141     }
5142 
5143 #ifdef FEAT_FOLDING
5144     /* Redraw when 'foldenable' changed */
5145     if (old_fen != curwin->w_p_fen)
5146     {
5147 # ifdef FEAT_DIFF
5148 	win_T	    *wp;
5149 
5150 	if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
5151 	{
5152 	    /* Adjust 'foldenable' in diff-synced windows. */
5153 	    FOR_ALL_WINDOWS(wp)
5154 	    {
5155 		if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
5156 		{
5157 		    wp->w_p_fen = curwin->w_p_fen;
5158 		    changed_window_setting_win(wp);
5159 		}
5160 	    }
5161 	}
5162 # endif
5163 	changed_window_setting();
5164     }
5165 
5166     /* Redraw when 'foldlevel' changed. */
5167     if (old_fdl != curwin->w_p_fdl)
5168 	newFoldLevel();
5169 #endif
5170 }
5171 
5172 #ifdef FEAT_GUI
5173 /*
5174  * Vertical scrollbar movement.
5175  */
5176     static void
5177 nv_ver_scrollbar(cap)
5178     cmdarg_T	*cap;
5179 {
5180     if (cap->oap->op_type != OP_NOP)
5181 	clearopbeep(cap->oap);
5182 
5183     /* Even if an operator was pending, we still want to scroll */
5184     gui_do_scroll();
5185 }
5186 
5187 /*
5188  * Horizontal scrollbar movement.
5189  */
5190     static void
5191 nv_hor_scrollbar(cap)
5192     cmdarg_T	*cap;
5193 {
5194     if (cap->oap->op_type != OP_NOP)
5195 	clearopbeep(cap->oap);
5196 
5197     /* Even if an operator was pending, we still want to scroll */
5198     gui_do_horiz_scroll(scrollbar_value, FALSE);
5199 }
5200 #endif
5201 
5202 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5203 /*
5204  * Click in GUI tab.
5205  */
5206     static void
5207 nv_tabline(cap)
5208     cmdarg_T	*cap;
5209 {
5210     if (cap->oap->op_type != OP_NOP)
5211 	clearopbeep(cap->oap);
5212 
5213     /* Even if an operator was pending, we still want to jump tabs. */
5214     goto_tabpage(current_tab);
5215 }
5216 
5217 /*
5218  * Selected item in tab line menu.
5219  */
5220     static void
5221 nv_tabmenu(cap)
5222     cmdarg_T	*cap;
5223 {
5224     if (cap->oap->op_type != OP_NOP)
5225 	clearopbeep(cap->oap);
5226 
5227     /* Even if an operator was pending, we still want to jump tabs. */
5228     handle_tabmenu();
5229 }
5230 
5231 /*
5232  * Handle selecting an item of the GUI tab line menu.
5233  * Used in Normal and Insert mode.
5234  */
5235     void
5236 handle_tabmenu()
5237 {
5238     switch (current_tabmenu)
5239     {
5240 	case TABLINE_MENU_CLOSE:
5241 	    if (current_tab == 0)
5242 		do_cmdline_cmd((char_u *)"tabclose");
5243 	    else
5244 	    {
5245 		vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5246 								 current_tab);
5247 		do_cmdline_cmd(IObuff);
5248 	    }
5249 	    break;
5250 
5251 	case TABLINE_MENU_NEW:
5252 	    vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5253 				     current_tab > 0 ? current_tab - 1 : 999);
5254 	    do_cmdline_cmd(IObuff);
5255 	    break;
5256 
5257 	case TABLINE_MENU_OPEN:
5258 	    vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5259 				     current_tab > 0 ? current_tab - 1 : 999);
5260 	    do_cmdline_cmd(IObuff);
5261 	    break;
5262     }
5263 }
5264 #endif
5265 
5266 /*
5267  * "Q" command.
5268  */
5269     static void
5270 nv_exmode(cap)
5271     cmdarg_T	*cap;
5272 {
5273     /*
5274      * Ignore 'Q' in Visual mode, just give a beep.
5275      */
5276     if (VIsual_active)
5277 	vim_beep();
5278     else if (!checkclearop(cap->oap))
5279 	do_exmode(FALSE);
5280 }
5281 
5282 /*
5283  * Handle a ":" command.
5284  */
5285     static void
5286 nv_colon(cap)
5287     cmdarg_T  *cap;
5288 {
5289     int	    old_p_im;
5290     int	    cmd_result;
5291 
5292     if (VIsual_active)
5293 	nv_operator(cap);
5294     else
5295     {
5296 	if (cap->oap->op_type != OP_NOP)
5297 	{
5298 	    /* Using ":" as a movement is characterwise exclusive. */
5299 	    cap->oap->motion_type = MCHAR;
5300 	    cap->oap->inclusive = FALSE;
5301 	}
5302 	else if (cap->count0)
5303 	{
5304 	    /* translate "count:" into ":.,.+(count - 1)" */
5305 	    stuffcharReadbuff('.');
5306 	    if (cap->count0 > 1)
5307 	    {
5308 		stuffReadbuff((char_u *)",.+");
5309 		stuffnumReadbuff((long)cap->count0 - 1L);
5310 	    }
5311 	}
5312 
5313 	/* When typing, don't type below an old message */
5314 	if (KeyTyped)
5315 	    compute_cmdrow();
5316 
5317 	old_p_im = p_im;
5318 
5319 	/* get a command line and execute it */
5320 	cmd_result = do_cmdline(NULL, getexline, NULL,
5321 			    cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5322 
5323 	/* If 'insertmode' changed, enter or exit Insert mode */
5324 	if (p_im != old_p_im)
5325 	{
5326 	    if (p_im)
5327 		restart_edit = 'i';
5328 	    else
5329 		restart_edit = 0;
5330 	}
5331 
5332 	if (cmd_result == FAIL)
5333 	    /* The Ex command failed, do not execute the operator. */
5334 	    clearop(cap->oap);
5335 	else if (cap->oap->op_type != OP_NOP
5336 		&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5337 		    || cap->oap->start.col >
5338 			       (colnr_T)STRLEN(ml_get(cap->oap->start.lnum))
5339 		    || did_emsg
5340 		    ))
5341 	    /* The start of the operator has become invalid by the Ex command.
5342 	     */
5343 	    clearopbeep(cap->oap);
5344     }
5345 }
5346 
5347 /*
5348  * Handle CTRL-G command.
5349  */
5350     static void
5351 nv_ctrlg(cap)
5352     cmdarg_T *cap;
5353 {
5354     if (VIsual_active)	/* toggle Selection/Visual mode */
5355     {
5356 	VIsual_select = !VIsual_select;
5357 	showmode();
5358     }
5359     else if (!checkclearop(cap->oap))
5360 	/* print full name if count given or :cd used */
5361 	fileinfo((int)cap->count0, FALSE, TRUE);
5362 }
5363 
5364 /*
5365  * Handle CTRL-H <Backspace> command.
5366  */
5367     static void
5368 nv_ctrlh(cap)
5369     cmdarg_T *cap;
5370 {
5371     if (VIsual_active && VIsual_select)
5372     {
5373 	cap->cmdchar = 'x';	/* BS key behaves like 'x' in Select mode */
5374 	v_visop(cap);
5375     }
5376     else
5377 	nv_left(cap);
5378 }
5379 
5380 /*
5381  * CTRL-L: clear screen and redraw.
5382  */
5383     static void
5384 nv_clear(cap)
5385     cmdarg_T	*cap;
5386 {
5387     if (!checkclearop(cap->oap))
5388     {
5389 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5390 	/*
5391 	 * Right now, the BeBox doesn't seem to have an easy way to detect
5392 	 * window resizing, so we cheat and make the user detect it
5393 	 * manually with CTRL-L instead
5394 	 */
5395 	ui_get_shellsize();
5396 #endif
5397 #ifdef FEAT_SYN_HL
5398 	/* Clear all syntax states to force resyncing. */
5399 	syn_stack_free_all(curwin->w_s);
5400 #endif
5401 	redraw_later(CLEAR);
5402     }
5403 }
5404 
5405 /*
5406  * CTRL-O: In Select mode: switch to Visual mode for one command.
5407  * Otherwise: Go to older pcmark.
5408  */
5409     static void
5410 nv_ctrlo(cap)
5411     cmdarg_T	*cap;
5412 {
5413     if (VIsual_active && VIsual_select)
5414     {
5415 	VIsual_select = FALSE;
5416 	showmode();
5417 	restart_VIsual_select = 2;	/* restart Select mode later */
5418     }
5419     else
5420     {
5421 	cap->count1 = -cap->count1;
5422 	nv_pcmark(cap);
5423     }
5424 }
5425 
5426 /*
5427  * CTRL-^ command, short for ":e #"
5428  */
5429     static void
5430 nv_hat(cap)
5431     cmdarg_T	*cap;
5432 {
5433     if (!checkclearopq(cap->oap))
5434 	(void)buflist_getfile((int)cap->count0, (linenr_T)0,
5435 						GETF_SETMARK|GETF_ALT, FALSE);
5436 }
5437 
5438 /*
5439  * "Z" commands.
5440  */
5441     static void
5442 nv_Zet(cap)
5443     cmdarg_T *cap;
5444 {
5445     if (!checkclearopq(cap->oap))
5446     {
5447 	switch (cap->nchar)
5448 	{
5449 			/* "ZZ": equivalent to ":x". */
5450 	    case 'Z':	do_cmdline_cmd((char_u *)"x");
5451 			break;
5452 
5453 			/* "ZQ": equivalent to ":q!" (Elvis compatible). */
5454 	    case 'Q':	do_cmdline_cmd((char_u *)"q!");
5455 			break;
5456 
5457 	    default:	clearopbeep(cap->oap);
5458 	}
5459     }
5460 }
5461 
5462 #if defined(FEAT_WINDOWS) || defined(PROTO)
5463 /*
5464  * Call nv_ident() as if "c1" was used, with "c2" as next character.
5465  */
5466     void
5467 do_nv_ident(c1, c2)
5468     int		c1;
5469     int		c2;
5470 {
5471     oparg_T	oa;
5472     cmdarg_T	ca;
5473 
5474     clear_oparg(&oa);
5475     vim_memset(&ca, 0, sizeof(ca));
5476     ca.oap = &oa;
5477     ca.cmdchar = c1;
5478     ca.nchar = c2;
5479     nv_ident(&ca);
5480 }
5481 #endif
5482 
5483 /*
5484  * Handle the commands that use the word under the cursor.
5485  * [g] CTRL-]	:ta to current identifier
5486  * [g] 'K'	run program for current identifier
5487  * [g] '*'	/ to current identifier or string
5488  * [g] '#'	? to current identifier or string
5489  *  g  ']'	:tselect for current identifier
5490  */
5491     static void
5492 nv_ident(cap)
5493     cmdarg_T	*cap;
5494 {
5495     char_u	*ptr = NULL;
5496     char_u	*buf;
5497     char_u	*newbuf;
5498     char_u	*p;
5499     char_u	*kp;		/* value of 'keywordprg' */
5500     int		kp_help;	/* 'keywordprg' is ":help" */
5501     int		n = 0;		/* init for GCC */
5502     int		cmdchar;
5503     int		g_cmd;		/* "g" command */
5504     int		tag_cmd = FALSE;
5505     char_u	*aux_ptr;
5506     int		isman;
5507     int		isman_s;
5508 
5509     if (cap->cmdchar == 'g')	/* "g*", "g#", "g]" and "gCTRL-]" */
5510     {
5511 	cmdchar = cap->nchar;
5512 	g_cmd = TRUE;
5513     }
5514     else
5515     {
5516 	cmdchar = cap->cmdchar;
5517 	g_cmd = FALSE;
5518     }
5519 
5520     if (cmdchar == POUND)	/* the pound sign, '#' for English keyboards */
5521 	cmdchar = '#';
5522 
5523     /*
5524      * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5525      */
5526     if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5527     {
5528 	if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5529 	    return;
5530 	if (checkclearopq(cap->oap))
5531 	    return;
5532     }
5533 
5534     if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5535 		    (cmdchar == '*' || cmdchar == '#')
5536 				 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5537     {
5538 	clearop(cap->oap);
5539 	return;
5540     }
5541 
5542     /* Allocate buffer to put the command in.  Inserting backslashes can
5543      * double the length of the word.  p_kp / curbuf->b_p_kp could be added
5544      * and some numbers. */
5545     kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5546     kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5547 						 || STRCMP(kp, ":help") == 0);
5548     buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5549     if (buf == NULL)
5550 	return;
5551     buf[0] = NUL;
5552 
5553     switch (cmdchar)
5554     {
5555 	case '*':
5556 	case '#':
5557 	    /*
5558 	     * Put cursor at start of word, makes search skip the word
5559 	     * under the cursor.
5560 	     * Call setpcmark() first, so "*``" puts the cursor back where
5561 	     * it was.
5562 	     */
5563 	    setpcmark();
5564 	    curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5565 
5566 	    if (!g_cmd && vim_iswordp(ptr))
5567 		STRCPY(buf, "\\<");
5568 	    no_smartcase = TRUE;	/* don't use 'smartcase' now */
5569 	    break;
5570 
5571 	case 'K':
5572 	    if (kp_help)
5573 		STRCPY(buf, "he! ");
5574 	    else
5575 	    {
5576 		/* An external command will probably use an argument starting
5577 		 * with "-" as an option.  To avoid trouble we skip the "-". */
5578 		while (*ptr == '-' && n > 0)
5579 		{
5580 		    ++ptr;
5581 		    --n;
5582 		}
5583 		if (n == 0)
5584 		{
5585 		    EMSG(_(e_noident));	 /* found dashes only */
5586 		    vim_free(buf);
5587 		    return;
5588 		}
5589 
5590 		/* When a count is given, turn it into a range.  Is this
5591 		 * really what we want? */
5592 		isman = (STRCMP(kp, "man") == 0);
5593 		isman_s = (STRCMP(kp, "man -s") == 0);
5594 		if (cap->count0 != 0 && !(isman || isman_s))
5595 		    sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5596 
5597 		STRCAT(buf, "! ");
5598 		if (cap->count0 == 0 && isman_s)
5599 		    STRCAT(buf, "man");
5600 		else
5601 		    STRCAT(buf, kp);
5602 		STRCAT(buf, " ");
5603 		if (cap->count0 != 0 && (isman || isman_s))
5604 		{
5605 		    sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5606 		    STRCAT(buf, " ");
5607 		}
5608 	    }
5609 	    break;
5610 
5611 	case ']':
5612 	    tag_cmd = TRUE;
5613 #ifdef FEAT_CSCOPE
5614 	    if (p_cst)
5615 		STRCPY(buf, "cstag ");
5616 	    else
5617 #endif
5618 		STRCPY(buf, "ts ");
5619 	    break;
5620 
5621 	default:
5622 	    tag_cmd = TRUE;
5623 	    if (curbuf->b_help)
5624 		STRCPY(buf, "he! ");
5625 	    else
5626 	    {
5627 		if (g_cmd)
5628 		    STRCPY(buf, "tj ");
5629 		else
5630 		    sprintf((char *)buf, "%ldta ", cap->count0);
5631 	    }
5632     }
5633 
5634     /*
5635      * Now grab the chars in the identifier
5636      */
5637     if (cmdchar == 'K' && !kp_help)
5638     {
5639 	/* Escape the argument properly for a shell command */
5640 	ptr = vim_strnsave(ptr, n);
5641 	p = vim_strsave_shellescape(ptr, TRUE, TRUE);
5642 	vim_free(ptr);
5643 	if (p == NULL)
5644 	{
5645 	    vim_free(buf);
5646 	    return;
5647 	}
5648 	newbuf = (char_u *)vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1);
5649 	if (newbuf == NULL)
5650 	{
5651 	    vim_free(buf);
5652 	    vim_free(p);
5653 	    return;
5654 	}
5655 	buf = newbuf;
5656 	STRCAT(buf, p);
5657 	vim_free(p);
5658     }
5659     else
5660     {
5661 	if (cmdchar == '*')
5662 	    aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5663 	else if (cmdchar == '#')
5664 	    aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5665 	else if (tag_cmd)
5666 	{
5667 	    if (curbuf->b_help)
5668 		/* ":help" handles unescaped argument */
5669 		aux_ptr = (char_u *)"";
5670 	    else
5671 		aux_ptr = (char_u *)"\\|\"\n[";
5672 	}
5673 	else
5674 	    aux_ptr = (char_u *)"\\|\"\n*?[";
5675 
5676 	p = buf + STRLEN(buf);
5677 	while (n-- > 0)
5678 	{
5679 	    /* put a backslash before \ and some others */
5680 	    if (vim_strchr(aux_ptr, *ptr) != NULL)
5681 		*p++ = '\\';
5682 #ifdef FEAT_MBYTE
5683 	    /* When current byte is a part of multibyte character, copy all
5684 	     * bytes of that character. */
5685 	    if (has_mbyte)
5686 	    {
5687 		int i;
5688 		int len = (*mb_ptr2len)(ptr) - 1;
5689 
5690 		for (i = 0; i < len && n >= 1; ++i, --n)
5691 		    *p++ = *ptr++;
5692 	    }
5693 #endif
5694 	    *p++ = *ptr++;
5695 	}
5696 	*p = NUL;
5697     }
5698 
5699     /*
5700      * Execute the command.
5701      */
5702     if (cmdchar == '*' || cmdchar == '#')
5703     {
5704 	if (!g_cmd && (
5705 #ifdef FEAT_MBYTE
5706 		has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5707 #endif
5708 		vim_iswordc(ptr[-1])))
5709 	    STRCAT(buf, "\\>");
5710 #ifdef FEAT_CMDHIST
5711 	/* put pattern in search history */
5712 	init_history();
5713 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5714 #endif
5715 	normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5716     }
5717     else
5718 	do_cmdline_cmd(buf);
5719 
5720     vim_free(buf);
5721 }
5722 
5723 /*
5724  * Get visually selected text, within one line only.
5725  * Returns FAIL if more than one line selected.
5726  */
5727     int
5728 get_visual_text(cap, pp, lenp)
5729     cmdarg_T	*cap;
5730     char_u	**pp;	    /* return: start of selected text */
5731     int		*lenp;	    /* return: length of selected text */
5732 {
5733     if (VIsual_mode != 'V')
5734 	unadjust_for_sel();
5735     if (VIsual.lnum != curwin->w_cursor.lnum)
5736     {
5737 	if (cap != NULL)
5738 	    clearopbeep(cap->oap);
5739 	return FAIL;
5740     }
5741     if (VIsual_mode == 'V')
5742     {
5743 	*pp = ml_get_curline();
5744 	*lenp = (int)STRLEN(*pp);
5745     }
5746     else
5747     {
5748 	if (lt(curwin->w_cursor, VIsual))
5749 	{
5750 	    *pp = ml_get_pos(&curwin->w_cursor);
5751 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
5752 	}
5753 	else
5754 	{
5755 	    *pp = ml_get_pos(&VIsual);
5756 	    *lenp = curwin->w_cursor.col - VIsual.col + 1;
5757 	}
5758 #ifdef FEAT_MBYTE
5759 	if (has_mbyte)
5760 	    /* Correct the length to include the whole last character. */
5761 	    *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5762 #endif
5763     }
5764     reset_VIsual_and_resel();
5765     return OK;
5766 }
5767 
5768 /*
5769  * CTRL-T: backwards in tag stack
5770  */
5771     static void
5772 nv_tagpop(cap)
5773     cmdarg_T	*cap;
5774 {
5775     if (!checkclearopq(cap->oap))
5776 	do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5777 }
5778 
5779 /*
5780  * Handle scrolling command 'H', 'L' and 'M'.
5781  */
5782     static void
5783 nv_scroll(cap)
5784     cmdarg_T  *cap;
5785 {
5786     int		used = 0;
5787     long	n;
5788 #ifdef FEAT_FOLDING
5789     linenr_T	lnum;
5790 #endif
5791     int		half;
5792 
5793     cap->oap->motion_type = MLINE;
5794     setpcmark();
5795 
5796     if (cap->cmdchar == 'L')
5797     {
5798 	validate_botline();	    /* make sure curwin->w_botline is valid */
5799 	curwin->w_cursor.lnum = curwin->w_botline - 1;
5800 	if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5801 	    curwin->w_cursor.lnum = 1;
5802 	else
5803 	{
5804 #ifdef FEAT_FOLDING
5805 	    if (hasAnyFolding(curwin))
5806 	    {
5807 		/* Count a fold for one screen line. */
5808 		for (n = cap->count1 - 1; n > 0
5809 			    && curwin->w_cursor.lnum > curwin->w_topline; --n)
5810 		{
5811 		    (void)hasFolding(curwin->w_cursor.lnum,
5812 						&curwin->w_cursor.lnum, NULL);
5813 		    --curwin->w_cursor.lnum;
5814 		}
5815 	    }
5816 	    else
5817 #endif
5818 		curwin->w_cursor.lnum -= cap->count1 - 1;
5819 	}
5820     }
5821     else
5822     {
5823 	if (cap->cmdchar == 'M')
5824 	{
5825 #ifdef FEAT_DIFF
5826 	    /* Don't count filler lines above the window. */
5827 	    used -= diff_check_fill(curwin, curwin->w_topline)
5828 							  - curwin->w_topfill;
5829 #endif
5830 	    validate_botline();	    /* make sure w_empty_rows is valid */
5831 	    half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5832 	    for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5833 	    {
5834 #ifdef FEAT_DIFF
5835 		/* Count half he number of filler lines to be "below this
5836 		 * line" and half to be "above the next line". */
5837 		if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5838 							     + n) / 2 >= half)
5839 		{
5840 		    --n;
5841 		    break;
5842 		}
5843 #endif
5844 		used += plines(curwin->w_topline + n);
5845 		if (used >= half)
5846 		    break;
5847 #ifdef FEAT_FOLDING
5848 		if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5849 		    n = lnum - curwin->w_topline;
5850 #endif
5851 	    }
5852 	    if (n > 0 && used > curwin->w_height)
5853 		--n;
5854 	}
5855 	else /* (cap->cmdchar == 'H') */
5856 	{
5857 	    n = cap->count1 - 1;
5858 #ifdef FEAT_FOLDING
5859 	    if (hasAnyFolding(curwin))
5860 	    {
5861 		/* Count a fold for one screen line. */
5862 		lnum = curwin->w_topline;
5863 		while (n-- > 0 && lnum < curwin->w_botline - 1)
5864 		{
5865 		    hasFolding(lnum, NULL, &lnum);
5866 		    ++lnum;
5867 		}
5868 		n = lnum - curwin->w_topline;
5869 	    }
5870 #endif
5871 	}
5872 	curwin->w_cursor.lnum = curwin->w_topline + n;
5873 	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5874 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5875     }
5876 
5877     cursor_correct();	/* correct for 'so' */
5878     beginline(BL_SOL | BL_FIX);
5879 }
5880 
5881 /*
5882  * Cursor right commands.
5883  */
5884     static void
5885 nv_right(cap)
5886     cmdarg_T	*cap;
5887 {
5888     long	n;
5889     int		past_line;
5890 
5891     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5892     {
5893 	/* <C-Right> and <S-Right> move a word or WORD right */
5894 	if (mod_mask & MOD_MASK_CTRL)
5895 	    cap->arg = TRUE;
5896 	nv_wordcmd(cap);
5897 	return;
5898     }
5899 
5900     cap->oap->motion_type = MCHAR;
5901     cap->oap->inclusive = FALSE;
5902     past_line = (VIsual_active && *p_sel != 'o');
5903 
5904 #ifdef FEAT_VIRTUALEDIT
5905     /*
5906      * In virtual edit mode, there's no such thing as "past_line", as lines
5907      * are (theoretically) infinitely long.
5908      */
5909     if (virtual_active())
5910 	past_line = 0;
5911 #endif
5912 
5913     for (n = cap->count1; n > 0; --n)
5914     {
5915 	if ((!past_line && oneright() == FAIL)
5916 		|| (past_line && *ml_get_cursor() == NUL)
5917 		)
5918 	{
5919 	    /*
5920 	     *	  <Space> wraps to next line if 'whichwrap' has 's'.
5921 	     *	      'l' wraps to next line if 'whichwrap' has 'l'.
5922 	     * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5923 	     */
5924 	    if (       ((cap->cmdchar == ' '
5925 			    && vim_strchr(p_ww, 's') != NULL)
5926 			|| (cap->cmdchar == 'l'
5927 			    && vim_strchr(p_ww, 'l') != NULL)
5928 			|| (cap->cmdchar == K_RIGHT
5929 			    && vim_strchr(p_ww, '>') != NULL))
5930 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5931 	    {
5932 		/* When deleting we also count the NL as a character.
5933 		 * Set cap->oap->inclusive when last char in the line is
5934 		 * included, move to next line after that */
5935 		if (	   cap->oap->op_type != OP_NOP
5936 			&& !cap->oap->inclusive
5937 			&& !lineempty(curwin->w_cursor.lnum))
5938 		    cap->oap->inclusive = TRUE;
5939 		else
5940 		{
5941 		    ++curwin->w_cursor.lnum;
5942 		    curwin->w_cursor.col = 0;
5943 #ifdef FEAT_VIRTUALEDIT
5944 		    curwin->w_cursor.coladd = 0;
5945 #endif
5946 		    curwin->w_set_curswant = TRUE;
5947 		    cap->oap->inclusive = FALSE;
5948 		}
5949 		continue;
5950 	    }
5951 	    if (cap->oap->op_type == OP_NOP)
5952 	    {
5953 		/* Only beep and flush if not moved at all */
5954 		if (n == cap->count1)
5955 		    beep_flush();
5956 	    }
5957 	    else
5958 	    {
5959 		if (!lineempty(curwin->w_cursor.lnum))
5960 		    cap->oap->inclusive = TRUE;
5961 	    }
5962 	    break;
5963 	}
5964 	else if (past_line)
5965 	{
5966 	    curwin->w_set_curswant = TRUE;
5967 #ifdef FEAT_VIRTUALEDIT
5968 	    if (virtual_active())
5969 		oneright();
5970 	    else
5971 #endif
5972 	    {
5973 #ifdef FEAT_MBYTE
5974 		if (has_mbyte)
5975 		    curwin->w_cursor.col +=
5976 					 (*mb_ptr2len)(ml_get_cursor());
5977 		else
5978 #endif
5979 		    ++curwin->w_cursor.col;
5980 	    }
5981 	}
5982     }
5983 #ifdef FEAT_FOLDING
5984     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5985 					       && cap->oap->op_type == OP_NOP)
5986 	foldOpenCursor();
5987 #endif
5988 }
5989 
5990 /*
5991  * Cursor left commands.
5992  *
5993  * Returns TRUE when operator end should not be adjusted.
5994  */
5995     static void
5996 nv_left(cap)
5997     cmdarg_T	*cap;
5998 {
5999     long	n;
6000 
6001     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
6002     {
6003 	/* <C-Left> and <S-Left> move a word or WORD left */
6004 	if (mod_mask & MOD_MASK_CTRL)
6005 	    cap->arg = 1;
6006 	nv_bck_word(cap);
6007 	return;
6008     }
6009 
6010     cap->oap->motion_type = MCHAR;
6011     cap->oap->inclusive = FALSE;
6012     for (n = cap->count1; n > 0; --n)
6013     {
6014 	if (oneleft() == FAIL)
6015 	{
6016 	    /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
6017 	     *		 'h' wraps to previous line if 'whichwrap' has 'h'.
6018 	     *	   CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
6019 	     */
6020 	    if (       (((cap->cmdchar == K_BS
6021 				|| cap->cmdchar == Ctrl_H)
6022 			    && vim_strchr(p_ww, 'b') != NULL)
6023 			|| (cap->cmdchar == 'h'
6024 			    && vim_strchr(p_ww, 'h') != NULL)
6025 			|| (cap->cmdchar == K_LEFT
6026 			    && vim_strchr(p_ww, '<') != NULL))
6027 		    && curwin->w_cursor.lnum > 1)
6028 	    {
6029 		--(curwin->w_cursor.lnum);
6030 		coladvance((colnr_T)MAXCOL);
6031 		curwin->w_set_curswant = TRUE;
6032 
6033 		/* When the NL before the first char has to be deleted we
6034 		 * put the cursor on the NUL after the previous line.
6035 		 * This is a very special case, be careful!
6036 		 * Don't adjust op_end now, otherwise it won't work. */
6037 		if (	   (cap->oap->op_type == OP_DELETE
6038 			    || cap->oap->op_type == OP_CHANGE)
6039 			&& !lineempty(curwin->w_cursor.lnum))
6040 		{
6041 		    char_u *cp = ml_get_cursor();
6042 
6043 		    if (*cp != NUL)
6044 		    {
6045 #ifdef FEAT_MBYTE
6046 			if (has_mbyte)
6047 			    curwin->w_cursor.col += (*mb_ptr2len)(cp);
6048 			else
6049 #endif
6050 			    ++curwin->w_cursor.col;
6051 		    }
6052 		    cap->retval |= CA_NO_ADJ_OP_END;
6053 		}
6054 		continue;
6055 	    }
6056 	    /* Only beep and flush if not moved at all */
6057 	    else if (cap->oap->op_type == OP_NOP && n == cap->count1)
6058 		beep_flush();
6059 	    break;
6060 	}
6061     }
6062 #ifdef FEAT_FOLDING
6063     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
6064 					       && cap->oap->op_type == OP_NOP)
6065 	foldOpenCursor();
6066 #endif
6067 }
6068 
6069 /*
6070  * Cursor up commands.
6071  * cap->arg is TRUE for "-": Move cursor to first non-blank.
6072  */
6073     static void
6074 nv_up(cap)
6075     cmdarg_T	*cap;
6076 {
6077     if (mod_mask & MOD_MASK_SHIFT)
6078     {
6079 	/* <S-Up> is page up */
6080 	cap->arg = BACKWARD;
6081 	nv_page(cap);
6082     }
6083     else
6084     {
6085 	cap->oap->motion_type = MLINE;
6086 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6087 	    clearopbeep(cap->oap);
6088 	else if (cap->arg)
6089 	    beginline(BL_WHITE | BL_FIX);
6090     }
6091 }
6092 
6093 /*
6094  * Cursor down commands.
6095  * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
6096  */
6097     static void
6098 nv_down(cap)
6099     cmdarg_T	*cap;
6100 {
6101     if (mod_mask & MOD_MASK_SHIFT)
6102     {
6103 	/* <S-Down> is page down */
6104 	cap->arg = FORWARD;
6105 	nv_page(cap);
6106     }
6107     else
6108 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
6109     /* In a quickfix window a <CR> jumps to the error under the cursor. */
6110     if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
6111 	if (curwin->w_llist_ref == NULL)
6112 	    do_cmdline_cmd((char_u *)".cc");	/* quickfix window */
6113 	else
6114 	    do_cmdline_cmd((char_u *)".ll");	/* location list window */
6115     else
6116 #endif
6117     {
6118 #ifdef FEAT_CMDWIN
6119 	/* In the cmdline window a <CR> executes the command. */
6120 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
6121 	    cmdwin_result = CAR;
6122 	else
6123 #endif
6124 	{
6125 	    cap->oap->motion_type = MLINE;
6126 	    if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6127 		clearopbeep(cap->oap);
6128 	    else if (cap->arg)
6129 		beginline(BL_WHITE | BL_FIX);
6130 	}
6131     }
6132 }
6133 
6134 #ifdef FEAT_SEARCHPATH
6135 /*
6136  * Grab the file name under the cursor and edit it.
6137  */
6138     static void
6139 nv_gotofile(cap)
6140     cmdarg_T	*cap;
6141 {
6142     char_u	*ptr;
6143     linenr_T	lnum = -1;
6144 
6145     if (text_locked())
6146     {
6147 	clearopbeep(cap->oap);
6148 	text_locked_msg();
6149 	return;
6150     }
6151 #ifdef FEAT_AUTOCMD
6152     if (curbuf_locked())
6153     {
6154 	clearop(cap->oap);
6155 	return;
6156     }
6157 #endif
6158 
6159     ptr = grab_file_name(cap->count1, &lnum);
6160 
6161     if (ptr != NULL)
6162     {
6163 	/* do autowrite if necessary */
6164 	if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
6165 	    autowrite(curbuf, FALSE);
6166 	setpcmark();
6167 	(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
6168 				       P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
6169 	if (cap->nchar == 'F' && lnum >= 0)
6170 	{
6171 	    curwin->w_cursor.lnum = lnum;
6172 	    check_cursor_lnum();
6173 	    beginline(BL_SOL | BL_FIX);
6174 	}
6175 	vim_free(ptr);
6176     }
6177     else
6178 	clearop(cap->oap);
6179 }
6180 #endif
6181 
6182 /*
6183  * <End> command: to end of current line or last line.
6184  */
6185     static void
6186 nv_end(cap)
6187     cmdarg_T	*cap;
6188 {
6189     if (cap->arg || (mod_mask & MOD_MASK_CTRL))	/* CTRL-END = goto last line */
6190     {
6191 	cap->arg = TRUE;
6192 	nv_goto(cap);
6193 	cap->count1 = 1;		/* to end of current line */
6194     }
6195     nv_dollar(cap);
6196 }
6197 
6198 /*
6199  * Handle the "$" command.
6200  */
6201     static void
6202 nv_dollar(cap)
6203     cmdarg_T	*cap;
6204 {
6205     cap->oap->motion_type = MCHAR;
6206     cap->oap->inclusive = TRUE;
6207 #ifdef FEAT_VIRTUALEDIT
6208     /* In virtual mode when off the edge of a line and an operator
6209      * is pending (whew!) keep the cursor where it is.
6210      * Otherwise, send it to the end of the line. */
6211     if (!virtual_active() || gchar_cursor() != NUL
6212 					       || cap->oap->op_type == OP_NOP)
6213 #endif
6214 	curwin->w_curswant = MAXCOL;	/* so we stay at the end */
6215     if (cursor_down((long)(cap->count1 - 1),
6216 					 cap->oap->op_type == OP_NOP) == FAIL)
6217 	clearopbeep(cap->oap);
6218 #ifdef FEAT_FOLDING
6219     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6220 	foldOpenCursor();
6221 #endif
6222 }
6223 
6224 /*
6225  * Implementation of '?' and '/' commands.
6226  * If cap->arg is TRUE don't set PC mark.
6227  */
6228     static void
6229 nv_search(cap)
6230     cmdarg_T	    *cap;
6231 {
6232     oparg_T	*oap = cap->oap;
6233 
6234     if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6235     {
6236 	/* Translate "g??" to "g?g?" */
6237 	cap->cmdchar = 'g';
6238 	cap->nchar = '?';
6239 	nv_operator(cap);
6240 	return;
6241     }
6242 
6243     cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6244 
6245     if (cap->searchbuf == NULL)
6246     {
6247 	clearop(oap);
6248 	return;
6249     }
6250 
6251     normal_search(cap, cap->cmdchar, cap->searchbuf,
6252 						(cap->arg ? 0 : SEARCH_MARK));
6253 }
6254 
6255 /*
6256  * Handle "N" and "n" commands.
6257  * cap->arg is SEARCH_REV for "N", 0 for "n".
6258  */
6259     static void
6260 nv_next(cap)
6261     cmdarg_T	*cap;
6262 {
6263     normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6264 }
6265 
6266 /*
6267  * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6268  * Uses only cap->count1 and cap->oap from "cap".
6269  */
6270     static void
6271 normal_search(cap, dir, pat, opt)
6272     cmdarg_T	*cap;
6273     int		dir;
6274     char_u	*pat;
6275     int		opt;		/* extra flags for do_search() */
6276 {
6277     int		i;
6278 
6279     cap->oap->motion_type = MCHAR;
6280     cap->oap->inclusive = FALSE;
6281     cap->oap->use_reg_one = TRUE;
6282     curwin->w_set_curswant = TRUE;
6283 
6284     i = do_search(cap->oap, dir, pat, cap->count1,
6285 			   opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
6286     if (i == 0)
6287 	clearop(cap->oap);
6288     else
6289     {
6290 	if (i == 2)
6291 	    cap->oap->motion_type = MLINE;
6292 #ifdef FEAT_VIRTUALEDIT
6293 	curwin->w_cursor.coladd = 0;
6294 #endif
6295 #ifdef FEAT_FOLDING
6296 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6297 	    foldOpenCursor();
6298 #endif
6299     }
6300 
6301     /* "/$" will put the cursor after the end of the line, may need to
6302      * correct that here */
6303     check_cursor();
6304 }
6305 
6306 /*
6307  * Character search commands.
6308  * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6309  * ',' and FALSE for ';'.
6310  * cap->nchar is NUL for ',' and ';' (repeat the search)
6311  */
6312     static void
6313 nv_csearch(cap)
6314     cmdarg_T	*cap;
6315 {
6316     int		t_cmd;
6317 
6318     if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6319 	t_cmd = TRUE;
6320     else
6321 	t_cmd = FALSE;
6322 
6323     cap->oap->motion_type = MCHAR;
6324     if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6325 	clearopbeep(cap->oap);
6326     else
6327     {
6328 	curwin->w_set_curswant = TRUE;
6329 #ifdef FEAT_VIRTUALEDIT
6330 	/* Include a Tab for "tx" and for "dfx". */
6331 	if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6332 		&& (t_cmd || cap->oap->op_type != OP_NOP))
6333 	{
6334 	    colnr_T	scol, ecol;
6335 
6336 	    getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6337 	    curwin->w_cursor.coladd = ecol - scol;
6338 	}
6339 	else
6340 	    curwin->w_cursor.coladd = 0;
6341 #endif
6342 	adjust_for_sel(cap);
6343 #ifdef FEAT_FOLDING
6344 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6345 	    foldOpenCursor();
6346 #endif
6347     }
6348 }
6349 
6350 /*
6351  * "[" and "]" commands.
6352  * cap->arg is BACKWARD for "[" and FORWARD for "]".
6353  */
6354     static void
6355 nv_brackets(cap)
6356     cmdarg_T	*cap;
6357 {
6358     pos_T	new_pos = INIT_POS_T(0, 0, 0);
6359     pos_T	prev_pos;
6360     pos_T	*pos = NULL;	    /* init for GCC */
6361     pos_T	old_pos;	    /* cursor position before command */
6362     int		flag;
6363     long	n;
6364     int		findc;
6365     int		c;
6366 
6367     cap->oap->motion_type = MCHAR;
6368     cap->oap->inclusive = FALSE;
6369     old_pos = curwin->w_cursor;
6370 #ifdef FEAT_VIRTUALEDIT
6371     curwin->w_cursor.coladd = 0;	    /* TODO: don't do this for an error. */
6372 #endif
6373 
6374 #ifdef FEAT_SEARCHPATH
6375     /*
6376      * "[f" or "]f" : Edit file under the cursor (same as "gf")
6377      */
6378     if (cap->nchar == 'f')
6379 	nv_gotofile(cap);
6380     else
6381 #endif
6382 
6383 #ifdef FEAT_FIND_ID
6384     /*
6385      * Find the occurrence(s) of the identifier or define under cursor
6386      * in current and included files or jump to the first occurrence.
6387      *
6388      *			search	     list	    jump
6389      *		      fwd   bwd    fwd	 bwd	 fwd	bwd
6390      * identifier     "]i"  "[i"   "]I"  "[I"	"]^I"  "[^I"
6391      * define	      "]d"  "[d"   "]D"  "[D"	"]^D"  "[^D"
6392      */
6393     if (vim_strchr((char_u *)
6394 #ifdef EBCDIC
6395 		"iI\005dD\067",
6396 #else
6397 		"iI\011dD\004",
6398 #endif
6399 		cap->nchar) != NULL)
6400     {
6401 	char_u	*ptr;
6402 	int	len;
6403 
6404 	if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6405 	    clearop(cap->oap);
6406 	else
6407 	{
6408 	    find_pattern_in_path(ptr, 0, len, TRUE,
6409 		cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6410 		((cap->nchar & 0xf) == ('d' & 0xf)) ?  FIND_DEFINE : FIND_ANY,
6411 		cap->count1,
6412 		isupper(cap->nchar) ? ACTION_SHOW_ALL :
6413 			    islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6414 		cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6415 		(linenr_T)MAXLNUM);
6416 	    curwin->w_set_curswant = TRUE;
6417 	}
6418     }
6419     else
6420 #endif
6421 
6422     /*
6423      * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6424      * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6425      * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6426      * "[m" or "]m" search for prev/next start of (Java) method.
6427      * "[M" or "]M" search for prev/next end of (Java) method.
6428      */
6429     if (  (cap->cmdchar == '['
6430 		&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6431 	    || (cap->cmdchar == ']'
6432 		&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6433     {
6434 	if (cap->nchar == '*')
6435 	    cap->nchar = '/';
6436 	prev_pos.lnum = 0;
6437 	if (cap->nchar == 'm' || cap->nchar == 'M')
6438 	{
6439 	    if (cap->cmdchar == '[')
6440 		findc = '{';
6441 	    else
6442 		findc = '}';
6443 	    n = 9999;
6444 	}
6445 	else
6446 	{
6447 	    findc = cap->nchar;
6448 	    n = cap->count1;
6449 	}
6450 	for ( ; n > 0; --n)
6451 	{
6452 	    if ((pos = findmatchlimit(cap->oap, findc,
6453 		(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6454 	    {
6455 		if (new_pos.lnum == 0)	/* nothing found */
6456 		{
6457 		    if (cap->nchar != 'm' && cap->nchar != 'M')
6458 			clearopbeep(cap->oap);
6459 		}
6460 		else
6461 		    pos = &new_pos;	/* use last one found */
6462 		break;
6463 	    }
6464 	    prev_pos = new_pos;
6465 	    curwin->w_cursor = *pos;
6466 	    new_pos = *pos;
6467 	}
6468 	curwin->w_cursor = old_pos;
6469 
6470 	/*
6471 	 * Handle "[m", "]m", "[M" and "[M".  The findmatchlimit() only
6472 	 * brought us to the match for "[m" and "]M" when inside a method.
6473 	 * Try finding the '{' or '}' we want to be at.
6474 	 * Also repeat for the given count.
6475 	 */
6476 	if (cap->nchar == 'm' || cap->nchar == 'M')
6477 	{
6478 	    /* norm is TRUE for "]M" and "[m" */
6479 	    int	    norm = ((findc == '{') == (cap->nchar == 'm'));
6480 
6481 	    n = cap->count1;
6482 	    /* found a match: we were inside a method */
6483 	    if (prev_pos.lnum != 0)
6484 	    {
6485 		pos = &prev_pos;
6486 		curwin->w_cursor = prev_pos;
6487 		if (norm)
6488 		    --n;
6489 	    }
6490 	    else
6491 		pos = NULL;
6492 	    while (n > 0)
6493 	    {
6494 		for (;;)
6495 		{
6496 		    if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6497 		    {
6498 			/* if not found anything, that's an error */
6499 			if (pos == NULL)
6500 			    clearopbeep(cap->oap);
6501 			n = 0;
6502 			break;
6503 		    }
6504 		    c = gchar_cursor();
6505 		    if (c == '{' || c == '}')
6506 		    {
6507 			/* Must have found end/start of class: use it.
6508 			 * Or found the place to be at. */
6509 			if ((c == findc && norm) || (n == 1 && !norm))
6510 			{
6511 			    new_pos = curwin->w_cursor;
6512 			    pos = &new_pos;
6513 			    n = 0;
6514 			}
6515 			/* if no match found at all, we started outside of the
6516 			 * class and we're inside now.  Just go on. */
6517 			else if (new_pos.lnum == 0)
6518 			{
6519 			    new_pos = curwin->w_cursor;
6520 			    pos = &new_pos;
6521 			}
6522 			/* found start/end of other method: go to match */
6523 			else if ((pos = findmatchlimit(cap->oap, findc,
6524 			    (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6525 								  0)) == NULL)
6526 			    n = 0;
6527 			else
6528 			    curwin->w_cursor = *pos;
6529 			break;
6530 		    }
6531 		}
6532 		--n;
6533 	    }
6534 	    curwin->w_cursor = old_pos;
6535 	    if (pos == NULL && new_pos.lnum != 0)
6536 		clearopbeep(cap->oap);
6537 	}
6538 	if (pos != NULL)
6539 	{
6540 	    setpcmark();
6541 	    curwin->w_cursor = *pos;
6542 	    curwin->w_set_curswant = TRUE;
6543 #ifdef FEAT_FOLDING
6544 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped
6545 					       && cap->oap->op_type == OP_NOP)
6546 		foldOpenCursor();
6547 #endif
6548 	}
6549     }
6550 
6551     /*
6552      * "[[", "[]", "]]" and "][": move to start or end of function
6553      */
6554     else if (cap->nchar == '[' || cap->nchar == ']')
6555     {
6556 	if (cap->nchar == cap->cmdchar)		    /* "]]" or "[[" */
6557 	    flag = '{';
6558 	else
6559 	    flag = '}';		    /* "][" or "[]" */
6560 
6561 	curwin->w_set_curswant = TRUE;
6562 	/*
6563 	 * Imitate strange Vi behaviour: When using "]]" with an operator
6564 	 * we also stop at '}'.
6565 	 */
6566 	if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6567 	      (cap->oap->op_type != OP_NOP
6568 				      && cap->arg == FORWARD && flag == '{')))
6569 	    clearopbeep(cap->oap);
6570 	else
6571 	{
6572 	    if (cap->oap->op_type == OP_NOP)
6573 		beginline(BL_WHITE | BL_FIX);
6574 #ifdef FEAT_FOLDING
6575 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6576 		foldOpenCursor();
6577 #endif
6578 	}
6579     }
6580 
6581     /*
6582      * "[p", "[P", "]P" and "]p": put with indent adjustment
6583      */
6584     else if (cap->nchar == 'p' || cap->nchar == 'P')
6585     {
6586 	if (!checkclearop(cap->oap))
6587 	{
6588 	    int	    dir = (cap->cmdchar == ']' && cap->nchar == 'p')
6589 							 ? FORWARD : BACKWARD;
6590 	    int	    regname = cap->oap->regname;
6591 	    int	    was_visual = VIsual_active;
6592 	    int	    line_count = curbuf->b_ml.ml_line_count;
6593 	    pos_T   start, end;
6594 
6595 	    if (VIsual_active)
6596 	    {
6597 		start = ltoreq(VIsual, curwin->w_cursor)
6598 						  ? VIsual : curwin->w_cursor;
6599 		end =  equalpos(start,VIsual) ? curwin->w_cursor : VIsual;
6600 		curwin->w_cursor = (dir == BACKWARD ? start : end);
6601 	    }
6602 # ifdef FEAT_CLIPBOARD
6603 	    adjust_clip_reg(&regname);
6604 # endif
6605 	    prep_redo_cmd(cap);
6606 
6607 	    do_put(regname, dir, cap->count1, PUT_FIXINDENT);
6608 	    if (was_visual)
6609 	    {
6610 		VIsual = start;
6611 		curwin->w_cursor = end;
6612 		if (dir == BACKWARD)
6613 		{
6614 		    /* adjust lines */
6615 		    VIsual.lnum += curbuf->b_ml.ml_line_count - line_count;
6616 		    curwin->w_cursor.lnum +=
6617 				      curbuf->b_ml.ml_line_count - line_count;
6618 		}
6619 
6620 		VIsual_active = TRUE;
6621 		if (VIsual_mode == 'V')
6622 		{
6623 		    /* delete visually selected lines */
6624 		    cap->cmdchar = 'd';
6625 		    cap->nchar = NUL;
6626 		    cap->oap->regname = regname;
6627 		    nv_operator(cap);
6628 		    do_pending_operator(cap, 0, FALSE);
6629 		}
6630 		if (VIsual_active)
6631 		{
6632 		    end_visual_mode();
6633 		    redraw_later(SOME_VALID);
6634 		}
6635 	    }
6636 	}
6637     }
6638 
6639     /*
6640      * "['", "[`", "]'" and "]`": jump to next mark
6641      */
6642     else if (cap->nchar == '\'' || cap->nchar == '`')
6643     {
6644 	pos = &curwin->w_cursor;
6645 	for (n = cap->count1; n > 0; --n)
6646 	{
6647 	    prev_pos = *pos;
6648 	    pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6649 							  cap->nchar == '\'');
6650 	    if (pos == NULL)
6651 		break;
6652 	}
6653 	if (pos == NULL)
6654 	    pos = &prev_pos;
6655 	nv_cursormark(cap, cap->nchar == '\'', pos);
6656     }
6657 
6658 #ifdef FEAT_MOUSE
6659     /*
6660      * [ or ] followed by a middle mouse click: put selected text with
6661      * indent adjustment.  Any other button just does as usual.
6662      */
6663     else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE)
6664     {
6665 	(void)do_mouse(cap->oap, cap->nchar,
6666 		       (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6667 		       cap->count1, PUT_FIXINDENT);
6668     }
6669 #endif /* FEAT_MOUSE */
6670 
6671 #ifdef FEAT_FOLDING
6672     /*
6673      * "[z" and "]z": move to start or end of open fold.
6674      */
6675     else if (cap->nchar == 'z')
6676     {
6677 	if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6678 							 cap->count1) == FAIL)
6679 	    clearopbeep(cap->oap);
6680     }
6681 #endif
6682 
6683 #ifdef FEAT_DIFF
6684     /*
6685      * "[c" and "]c": move to next or previous diff-change.
6686      */
6687     else if (cap->nchar == 'c')
6688     {
6689 	if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6690 							 cap->count1) == FAIL)
6691 	    clearopbeep(cap->oap);
6692     }
6693 #endif
6694 
6695 #ifdef FEAT_SPELL
6696     /*
6697      * "[s", "[S", "]s" and "]S": move to next spell error.
6698      */
6699     else if (cap->nchar == 's' || cap->nchar == 'S')
6700     {
6701 	setpcmark();
6702 	for (n = 0; n < cap->count1; ++n)
6703 	    if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6704 			  cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6705 	    {
6706 		clearopbeep(cap->oap);
6707 		break;
6708 	    }
6709 # ifdef FEAT_FOLDING
6710 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6711 	    foldOpenCursor();
6712 # endif
6713     }
6714 #endif
6715 
6716     /* Not a valid cap->nchar. */
6717     else
6718 	clearopbeep(cap->oap);
6719 }
6720 
6721 /*
6722  * Handle Normal mode "%" command.
6723  */
6724     static void
6725 nv_percent(cap)
6726     cmdarg_T	*cap;
6727 {
6728     pos_T	*pos;
6729 #if defined(FEAT_FOLDING)
6730     linenr_T	lnum = curwin->w_cursor.lnum;
6731 #endif
6732 
6733     cap->oap->inclusive = TRUE;
6734     if (cap->count0)	    /* {cnt}% : goto {cnt} percentage in file */
6735     {
6736 	if (cap->count0 > 100)
6737 	    clearopbeep(cap->oap);
6738 	else
6739 	{
6740 	    cap->oap->motion_type = MLINE;
6741 	    setpcmark();
6742 	    /* Round up, so CTRL-G will give same value.  Watch out for a
6743 	     * large line count, the line number must not go negative! */
6744 	    if (curbuf->b_ml.ml_line_count > 1000000)
6745 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6746 							 / 100L * cap->count0;
6747 	    else
6748 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6749 						    cap->count0 + 99L) / 100L;
6750 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6751 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6752 	    beginline(BL_SOL | BL_FIX);
6753 	}
6754     }
6755     else		    /* "%" : go to matching paren */
6756     {
6757 	cap->oap->motion_type = MCHAR;
6758 	cap->oap->use_reg_one = TRUE;
6759 	if ((pos = findmatch(cap->oap, NUL)) == NULL)
6760 	    clearopbeep(cap->oap);
6761 	else
6762 	{
6763 	    setpcmark();
6764 	    curwin->w_cursor = *pos;
6765 	    curwin->w_set_curswant = TRUE;
6766 #ifdef FEAT_VIRTUALEDIT
6767 	    curwin->w_cursor.coladd = 0;
6768 #endif
6769 	    adjust_for_sel(cap);
6770 	}
6771     }
6772 #ifdef FEAT_FOLDING
6773     if (cap->oap->op_type == OP_NOP
6774 	    && lnum != curwin->w_cursor.lnum
6775 	    && (fdo_flags & FDO_PERCENT)
6776 	    && KeyTyped)
6777 	foldOpenCursor();
6778 #endif
6779 }
6780 
6781 /*
6782  * Handle "(" and ")" commands.
6783  * cap->arg is BACKWARD for "(" and FORWARD for ")".
6784  */
6785     static void
6786 nv_brace(cap)
6787     cmdarg_T	*cap;
6788 {
6789     cap->oap->motion_type = MCHAR;
6790     cap->oap->use_reg_one = TRUE;
6791     /* The motion used to be inclusive for "(", but that is not what Vi does. */
6792     cap->oap->inclusive = FALSE;
6793     curwin->w_set_curswant = TRUE;
6794 
6795     if (findsent(cap->arg, cap->count1) == FAIL)
6796 	clearopbeep(cap->oap);
6797     else
6798     {
6799 	/* Don't leave the cursor on the NUL past end of line. */
6800 	adjust_cursor(cap->oap);
6801 #ifdef FEAT_VIRTUALEDIT
6802 	curwin->w_cursor.coladd = 0;
6803 #endif
6804 #ifdef FEAT_FOLDING
6805 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6806 	    foldOpenCursor();
6807 #endif
6808     }
6809 }
6810 
6811 /*
6812  * "m" command: Mark a position.
6813  */
6814     static void
6815 nv_mark(cap)
6816     cmdarg_T	*cap;
6817 {
6818     if (!checkclearop(cap->oap))
6819     {
6820 	if (setmark(cap->nchar) == FAIL)
6821 	    clearopbeep(cap->oap);
6822     }
6823 }
6824 
6825 /*
6826  * "{" and "}" commands.
6827  * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6828  */
6829     static void
6830 nv_findpar(cap)
6831     cmdarg_T	*cap;
6832 {
6833     cap->oap->motion_type = MCHAR;
6834     cap->oap->inclusive = FALSE;
6835     cap->oap->use_reg_one = TRUE;
6836     curwin->w_set_curswant = TRUE;
6837     if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6838 	clearopbeep(cap->oap);
6839     else
6840     {
6841 #ifdef FEAT_VIRTUALEDIT
6842 	curwin->w_cursor.coladd = 0;
6843 #endif
6844 #ifdef FEAT_FOLDING
6845 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6846 	    foldOpenCursor();
6847 #endif
6848     }
6849 }
6850 
6851 /*
6852  * "u" command: Undo or make lower case.
6853  */
6854     static void
6855 nv_undo(cap)
6856     cmdarg_T	*cap;
6857 {
6858     if (cap->oap->op_type == OP_LOWER || VIsual_active)
6859     {
6860 	/* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6861 	cap->cmdchar = 'g';
6862 	cap->nchar = 'u';
6863 	nv_operator(cap);
6864     }
6865     else
6866 	nv_kundo(cap);
6867 }
6868 
6869 /*
6870  * <Undo> command.
6871  */
6872     static void
6873 nv_kundo(cap)
6874     cmdarg_T	*cap;
6875 {
6876     if (!checkclearopq(cap->oap))
6877     {
6878 	u_undo((int)cap->count1);
6879 	curwin->w_set_curswant = TRUE;
6880     }
6881 }
6882 
6883 /*
6884  * Handle the "r" command.
6885  */
6886     static void
6887 nv_replace(cap)
6888     cmdarg_T	*cap;
6889 {
6890     char_u	*ptr;
6891     int		had_ctrl_v;
6892     long	n;
6893 
6894     if (checkclearop(cap->oap))
6895 	return;
6896 
6897     /* get another character */
6898     if (cap->nchar == Ctrl_V)
6899     {
6900 	had_ctrl_v = Ctrl_V;
6901 	cap->nchar = get_literal();
6902 	/* Don't redo a multibyte character with CTRL-V. */
6903 	if (cap->nchar > DEL)
6904 	    had_ctrl_v = NUL;
6905     }
6906     else
6907 	had_ctrl_v = NUL;
6908 
6909     /* Abort if the character is a special key. */
6910     if (IS_SPECIAL(cap->nchar))
6911     {
6912 	clearopbeep(cap->oap);
6913 	return;
6914     }
6915 
6916     /* Visual mode "r" */
6917     if (VIsual_active)
6918     {
6919 	if (got_int)
6920 	    reset_VIsual();
6921 	if (had_ctrl_v)
6922 	{
6923 	    if (cap->nchar == '\r')
6924 		cap->nchar = -1;
6925 	    else if (cap->nchar == '\n')
6926 		cap->nchar = -2;
6927 	}
6928 	nv_operator(cap);
6929 	return;
6930     }
6931 
6932 #ifdef FEAT_VIRTUALEDIT
6933     /* Break tabs, etc. */
6934     if (virtual_active())
6935     {
6936 	if (u_save_cursor() == FAIL)
6937 	    return;
6938 	if (gchar_cursor() == NUL)
6939 	{
6940 	    /* Add extra space and put the cursor on the first one. */
6941 	    coladvance_force((colnr_T)(getviscol() + cap->count1));
6942 	    curwin->w_cursor.col -= cap->count1;
6943 	}
6944 	else if (gchar_cursor() == TAB)
6945 	    coladvance_force(getviscol());
6946     }
6947 #endif
6948 
6949     /* Abort if not enough characters to replace. */
6950     ptr = ml_get_cursor();
6951     if (STRLEN(ptr) < (unsigned)cap->count1
6952 #ifdef FEAT_MBYTE
6953 	    || (has_mbyte && mb_charlen(ptr) < cap->count1)
6954 #endif
6955 	    )
6956     {
6957 	clearopbeep(cap->oap);
6958 	return;
6959     }
6960 
6961     /*
6962      * Replacing with a TAB is done by edit() when it is complicated because
6963      * 'expandtab' or 'smarttab' is set.  CTRL-V TAB inserts a literal TAB.
6964      * Other characters are done below to avoid problems with things like
6965      * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6966      */
6967     if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6968     {
6969 	stuffnumReadbuff(cap->count1);
6970 	stuffcharReadbuff('R');
6971 	stuffcharReadbuff('\t');
6972 	stuffcharReadbuff(ESC);
6973 	return;
6974     }
6975 
6976     /* save line for undo */
6977     if (u_save_cursor() == FAIL)
6978 	return;
6979 
6980     if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6981     {
6982 	/*
6983 	 * Replace character(s) by a single newline.
6984 	 * Strange vi behaviour: Only one newline is inserted.
6985 	 * Delete the characters here.
6986 	 * Insert the newline with an insert command, takes care of
6987 	 * autoindent.	The insert command depends on being on the last
6988 	 * character of a line or not.
6989 	 */
6990 #ifdef FEAT_MBYTE
6991 	(void)del_chars(cap->count1, FALSE);	/* delete the characters */
6992 #else
6993 	(void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6994 #endif
6995 	stuffcharReadbuff('\r');
6996 	stuffcharReadbuff(ESC);
6997 
6998 	/* Give 'r' to edit(), to get the redo command right. */
6999 	invoke_edit(cap, TRUE, 'r', FALSE);
7000     }
7001     else
7002     {
7003 	prep_redo(cap->oap->regname, cap->count1,
7004 				       NUL, 'r', NUL, had_ctrl_v, cap->nchar);
7005 
7006 	curbuf->b_op_start = curwin->w_cursor;
7007 #ifdef FEAT_MBYTE
7008 	if (has_mbyte)
7009 	{
7010 	    int		old_State = State;
7011 
7012 	    if (cap->ncharC1 != 0)
7013 		AppendCharToRedobuff(cap->ncharC1);
7014 	    if (cap->ncharC2 != 0)
7015 		AppendCharToRedobuff(cap->ncharC2);
7016 
7017 	    /* This is slow, but it handles replacing a single-byte with a
7018 	     * multi-byte and the other way around.  Also handles adding
7019 	     * composing characters for utf-8. */
7020 	    for (n = cap->count1; n > 0; --n)
7021 	    {
7022 		State = REPLACE;
7023 		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
7024 		{
7025 		    int c = ins_copychar(curwin->w_cursor.lnum
7026 					   + (cap->nchar == Ctrl_Y ? -1 : 1));
7027 		    if (c != NUL)
7028 			ins_char(c);
7029 		    else
7030 			/* will be decremented further down */
7031 			++curwin->w_cursor.col;
7032 		}
7033 		else
7034 		    ins_char(cap->nchar);
7035 		State = old_State;
7036 		if (cap->ncharC1 != 0)
7037 		    ins_char(cap->ncharC1);
7038 		if (cap->ncharC2 != 0)
7039 		    ins_char(cap->ncharC2);
7040 	    }
7041 	}
7042 	else
7043 #endif
7044 	{
7045 	    /*
7046 	     * Replace the characters within one line.
7047 	     */
7048 	    for (n = cap->count1; n > 0; --n)
7049 	    {
7050 		/*
7051 		 * Get ptr again, because u_save and/or showmatch() will have
7052 		 * released the line.  At the same time we let know that the
7053 		 * line will be changed.
7054 		 */
7055 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
7056 		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
7057 		{
7058 		  int c = ins_copychar(curwin->w_cursor.lnum
7059 					   + (cap->nchar == Ctrl_Y ? -1 : 1));
7060 		  if (c != NUL)
7061 		    ptr[curwin->w_cursor.col] = c;
7062 		}
7063 		else
7064 		    ptr[curwin->w_cursor.col] = cap->nchar;
7065 		if (p_sm && msg_silent == 0)
7066 		    showmatch(cap->nchar);
7067 		++curwin->w_cursor.col;
7068 	    }
7069 #ifdef FEAT_NETBEANS_INTG
7070 	    if (netbeans_active())
7071 	    {
7072 		colnr_T  start = (colnr_T)(curwin->w_cursor.col - cap->count1);
7073 
7074 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
7075 							   (long)cap->count1);
7076 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
7077 					       &ptr[start], (int)cap->count1);
7078 	    }
7079 #endif
7080 
7081 	    /* mark the buffer as changed and prepare for displaying */
7082 	    changed_bytes(curwin->w_cursor.lnum,
7083 			       (colnr_T)(curwin->w_cursor.col - cap->count1));
7084 	}
7085 	--curwin->w_cursor.col;	    /* cursor on the last replaced char */
7086 #ifdef FEAT_MBYTE
7087 	/* if the character on the left of the current cursor is a multi-byte
7088 	 * character, move two characters left */
7089 	if (has_mbyte)
7090 	    mb_adjust_cursor();
7091 #endif
7092 	curbuf->b_op_end = curwin->w_cursor;
7093 	curwin->w_set_curswant = TRUE;
7094 	set_last_insert(cap->nchar);
7095     }
7096 }
7097 
7098 /*
7099  * 'o': Exchange start and end of Visual area.
7100  * 'O': same, but in block mode exchange left and right corners.
7101  */
7102     static void
7103 v_swap_corners(cmdchar)
7104     int		cmdchar;
7105 {
7106     pos_T	old_cursor;
7107     colnr_T	left, right;
7108 
7109     if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
7110     {
7111 	old_cursor = curwin->w_cursor;
7112 	getvcols(curwin, &old_cursor, &VIsual, &left, &right);
7113 	curwin->w_cursor.lnum = VIsual.lnum;
7114 	coladvance(left);
7115 	VIsual = curwin->w_cursor;
7116 
7117 	curwin->w_cursor.lnum = old_cursor.lnum;
7118 	curwin->w_curswant = right;
7119 	/* 'selection "exclusive" and cursor at right-bottom corner: move it
7120 	 * right one column */
7121 	if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
7122 	    ++curwin->w_curswant;
7123 	coladvance(curwin->w_curswant);
7124 	if (curwin->w_cursor.col == old_cursor.col
7125 #ifdef FEAT_VIRTUALEDIT
7126 		&& (!virtual_active()
7127 		    || curwin->w_cursor.coladd == old_cursor.coladd)
7128 #endif
7129 		)
7130 	{
7131 	    curwin->w_cursor.lnum = VIsual.lnum;
7132 	    if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
7133 		++right;
7134 	    coladvance(right);
7135 	    VIsual = curwin->w_cursor;
7136 
7137 	    curwin->w_cursor.lnum = old_cursor.lnum;
7138 	    coladvance(left);
7139 	    curwin->w_curswant = left;
7140 	}
7141     }
7142     else
7143     {
7144 	old_cursor = curwin->w_cursor;
7145 	curwin->w_cursor = VIsual;
7146 	VIsual = old_cursor;
7147 	curwin->w_set_curswant = TRUE;
7148     }
7149 }
7150 
7151 /*
7152  * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
7153  */
7154     static void
7155 nv_Replace(cap)
7156     cmdarg_T	    *cap;
7157 {
7158     if (VIsual_active)		/* "R" is replace lines */
7159     {
7160 	cap->cmdchar = 'c';
7161 	cap->nchar = NUL;
7162 	VIsual_mode_orig = VIsual_mode; /* remember original area for gv */
7163 	VIsual_mode = 'V';
7164 	nv_operator(cap);
7165     }
7166     else if (!checkclearopq(cap->oap))
7167     {
7168 	if (!curbuf->b_p_ma)
7169 	    EMSG(_(e_modifiable));
7170 	else
7171 	{
7172 #ifdef FEAT_VIRTUALEDIT
7173 	    if (virtual_active())
7174 		coladvance(getviscol());
7175 #endif
7176 	    invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
7177 	}
7178     }
7179 }
7180 
7181 #ifdef FEAT_VREPLACE
7182 /*
7183  * "gr".
7184  */
7185     static void
7186 nv_vreplace(cap)
7187     cmdarg_T	*cap;
7188 {
7189     if (VIsual_active)
7190     {
7191 	cap->cmdchar = 'r';
7192 	cap->nchar = cap->extra_char;
7193 	nv_replace(cap);	/* Do same as "r" in Visual mode for now */
7194     }
7195     else if (!checkclearopq(cap->oap))
7196     {
7197 	if (!curbuf->b_p_ma)
7198 	    EMSG(_(e_modifiable));
7199 	else
7200 	{
7201 	    if (cap->extra_char == Ctrl_V)	/* get another character */
7202 		cap->extra_char = get_literal();
7203 	    stuffcharReadbuff(cap->extra_char);
7204 	    stuffcharReadbuff(ESC);
7205 # ifdef FEAT_VIRTUALEDIT
7206 	    if (virtual_active())
7207 		coladvance(getviscol());
7208 # endif
7209 	    invoke_edit(cap, TRUE, 'v', FALSE);
7210 	}
7211     }
7212 }
7213 #endif
7214 
7215 /*
7216  * Swap case for "~" command, when it does not work like an operator.
7217  */
7218     static void
7219 n_swapchar(cap)
7220     cmdarg_T	*cap;
7221 {
7222     long	n;
7223     pos_T	startpos;
7224     int		did_change = 0;
7225 #ifdef FEAT_NETBEANS_INTG
7226     pos_T	pos;
7227     char_u	*ptr;
7228     int		count;
7229 #endif
7230 
7231     if (checkclearopq(cap->oap))
7232 	return;
7233 
7234     if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
7235     {
7236 	clearopbeep(cap->oap);
7237 	return;
7238     }
7239 
7240     prep_redo_cmd(cap);
7241 
7242     if (u_save_cursor() == FAIL)
7243 	return;
7244 
7245     startpos = curwin->w_cursor;
7246 #ifdef FEAT_NETBEANS_INTG
7247     pos = startpos;
7248 #endif
7249     for (n = cap->count1; n > 0; --n)
7250     {
7251 	did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
7252 	inc_cursor();
7253 	if (gchar_cursor() == NUL)
7254 	{
7255 	    if (vim_strchr(p_ww, '~') != NULL
7256 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
7257 	    {
7258 #ifdef FEAT_NETBEANS_INTG
7259 		if (netbeans_active())
7260 		{
7261 		    if (did_change)
7262 		    {
7263 			ptr = ml_get(pos.lnum);
7264 			count = (int)STRLEN(ptr) - pos.col;
7265 			netbeans_removed(curbuf, pos.lnum, pos.col,
7266 								 (long)count);
7267 			netbeans_inserted(curbuf, pos.lnum, pos.col,
7268 							&ptr[pos.col], count);
7269 		    }
7270 		    pos.col = 0;
7271 		    pos.lnum++;
7272 		}
7273 #endif
7274 		++curwin->w_cursor.lnum;
7275 		curwin->w_cursor.col = 0;
7276 		if (n > 1)
7277 		{
7278 		    if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7279 			break;
7280 		    u_clearline();
7281 		}
7282 	    }
7283 	    else
7284 		break;
7285 	}
7286     }
7287 #ifdef FEAT_NETBEANS_INTG
7288     if (did_change && netbeans_active())
7289     {
7290 	ptr = ml_get(pos.lnum);
7291 	count = curwin->w_cursor.col - pos.col;
7292 	netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7293 	netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7294     }
7295 #endif
7296 
7297 
7298     check_cursor();
7299     curwin->w_set_curswant = TRUE;
7300     if (did_change)
7301     {
7302 	changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7303 									  0L);
7304 	curbuf->b_op_start = startpos;
7305 	curbuf->b_op_end = curwin->w_cursor;
7306 	if (curbuf->b_op_end.col > 0)
7307 	    --curbuf->b_op_end.col;
7308     }
7309 }
7310 
7311 /*
7312  * Move cursor to mark.
7313  */
7314     static void
7315 nv_cursormark(cap, flag, pos)
7316     cmdarg_T	*cap;
7317     int		flag;
7318     pos_T	*pos;
7319 {
7320     if (check_mark(pos) == FAIL)
7321 	clearop(cap->oap);
7322     else
7323     {
7324 	if (cap->cmdchar == '\''
7325 		|| cap->cmdchar == '`'
7326 		|| cap->cmdchar == '['
7327 		|| cap->cmdchar == ']')
7328 	    setpcmark();
7329 	curwin->w_cursor = *pos;
7330 	if (flag)
7331 	    beginline(BL_WHITE | BL_FIX);
7332 	else
7333 	    check_cursor();
7334     }
7335     cap->oap->motion_type = flag ? MLINE : MCHAR;
7336     if (cap->cmdchar == '`')
7337 	cap->oap->use_reg_one = TRUE;
7338     cap->oap->inclusive = FALSE;		/* ignored if not MCHAR */
7339     curwin->w_set_curswant = TRUE;
7340 }
7341 
7342 /*
7343  * Handle commands that are operators in Visual mode.
7344  */
7345     static void
7346 v_visop(cap)
7347     cmdarg_T	*cap;
7348 {
7349     static char_u trans[] = "YyDdCcxdXdAAIIrr";
7350 
7351     /* Uppercase means linewise, except in block mode, then "D" deletes till
7352      * the end of the line, and "C" replaces till EOL */
7353     if (isupper(cap->cmdchar))
7354     {
7355 	if (VIsual_mode != Ctrl_V)
7356 	{
7357 	    VIsual_mode_orig = VIsual_mode;
7358 	    VIsual_mode = 'V';
7359 	}
7360 	else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7361 	    curwin->w_curswant = MAXCOL;
7362     }
7363     cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7364     nv_operator(cap);
7365 }
7366 
7367 /*
7368  * "s" and "S" commands.
7369  */
7370     static void
7371 nv_subst(cap)
7372     cmdarg_T	*cap;
7373 {
7374     if (VIsual_active)	/* "vs" and "vS" are the same as "vc" */
7375     {
7376 	if (cap->cmdchar == 'S')
7377 	{
7378 	    VIsual_mode_orig = VIsual_mode;
7379 	    VIsual_mode = 'V';
7380 	}
7381 	cap->cmdchar = 'c';
7382 	nv_operator(cap);
7383     }
7384     else
7385 	nv_optrans(cap);
7386 }
7387 
7388 /*
7389  * Abbreviated commands.
7390  */
7391     static void
7392 nv_abbrev(cap)
7393     cmdarg_T	*cap;
7394 {
7395     if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7396 	cap->cmdchar = 'x';		/* DEL key behaves like 'x' */
7397 
7398     /* in Visual mode these commands are operators */
7399     if (VIsual_active)
7400 	v_visop(cap);
7401     else
7402 	nv_optrans(cap);
7403 }
7404 
7405 /*
7406  * Translate a command into another command.
7407  */
7408     static void
7409 nv_optrans(cap)
7410     cmdarg_T	*cap;
7411 {
7412     static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7413 			      (char_u *)"d$", (char_u *)"c$",
7414 			      (char_u *)"cl", (char_u *)"cc",
7415 			      (char_u *)"yy", (char_u *)":s\r"};
7416     static char_u *str = (char_u *)"xXDCsSY&";
7417 
7418     if (!checkclearopq(cap->oap))
7419     {
7420 	/* In Vi "2D" doesn't delete the next line.  Can't translate it
7421 	 * either, because "2." should also not use the count. */
7422 	if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7423 	{
7424 	    cap->oap->start = curwin->w_cursor;
7425 	    cap->oap->op_type = OP_DELETE;
7426 #ifdef FEAT_EVAL
7427 	    set_op_var(OP_DELETE);
7428 #endif
7429 	    cap->count1 = 1;
7430 	    nv_dollar(cap);
7431 	    finish_op = TRUE;
7432 	    ResetRedobuff();
7433 	    AppendCharToRedobuff('D');
7434 	}
7435 	else
7436 	{
7437 	    if (cap->count0)
7438 		stuffnumReadbuff(cap->count0);
7439 	    stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7440 	}
7441     }
7442     cap->opcount = 0;
7443 }
7444 
7445 /*
7446  * "'" and "`" commands.  Also for "g'" and "g`".
7447  * cap->arg is TRUE for "'" and "g'".
7448  */
7449     static void
7450 nv_gomark(cap)
7451     cmdarg_T	*cap;
7452 {
7453     pos_T	*pos;
7454     int		c;
7455 #ifdef FEAT_FOLDING
7456     pos_T	old_cursor = curwin->w_cursor;
7457     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7458 #endif
7459 
7460     if (cap->cmdchar == 'g')
7461 	c = cap->extra_char;
7462     else
7463 	c = cap->nchar;
7464     pos = getmark(c, (cap->oap->op_type == OP_NOP));
7465     if (pos == (pos_T *)-1)	    /* jumped to other file */
7466     {
7467 	if (cap->arg)
7468 	{
7469 	    check_cursor_lnum();
7470 	    beginline(BL_WHITE | BL_FIX);
7471 	}
7472 	else
7473 	    check_cursor();
7474     }
7475     else
7476 	nv_cursormark(cap, cap->arg, pos);
7477 
7478 #ifdef FEAT_VIRTUALEDIT
7479     /* May need to clear the coladd that a mark includes. */
7480     if (!virtual_active())
7481 	curwin->w_cursor.coladd = 0;
7482 #endif
7483 #ifdef FEAT_FOLDING
7484     if (cap->oap->op_type == OP_NOP
7485 	    && pos != NULL
7486 	    && (pos == (pos_T *)-1 || !equalpos(old_cursor, *pos))
7487 	    && (fdo_flags & FDO_MARK)
7488 	    && old_KeyTyped)
7489 	foldOpenCursor();
7490 #endif
7491 }
7492 
7493 /*
7494  * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7495  */
7496     static void
7497 nv_pcmark(cap)
7498     cmdarg_T	*cap;
7499 {
7500 #ifdef FEAT_JUMPLIST
7501     pos_T	*pos;
7502 # ifdef FEAT_FOLDING
7503     linenr_T	lnum = curwin->w_cursor.lnum;
7504     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7505 # endif
7506 
7507     if (!checkclearopq(cap->oap))
7508     {
7509 	if (cap->cmdchar == 'g')
7510 	    pos = movechangelist((int)cap->count1);
7511 	else
7512 	    pos = movemark((int)cap->count1);
7513 	if (pos == (pos_T *)-1)		/* jump to other file */
7514 	{
7515 	    curwin->w_set_curswant = TRUE;
7516 	    check_cursor();
7517 	}
7518 	else if (pos != NULL)		    /* can jump */
7519 	    nv_cursormark(cap, FALSE, pos);
7520 	else if (cap->cmdchar == 'g')
7521 	{
7522 	    if (curbuf->b_changelistlen == 0)
7523 		EMSG(_("E664: changelist is empty"));
7524 	    else if (cap->count1 < 0)
7525 		EMSG(_("E662: At start of changelist"));
7526 	    else
7527 		EMSG(_("E663: At end of changelist"));
7528 	}
7529 	else
7530 	    clearopbeep(cap->oap);
7531 # ifdef FEAT_FOLDING
7532 	if (cap->oap->op_type == OP_NOP
7533 		&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7534 		&& (fdo_flags & FDO_MARK)
7535 		&& old_KeyTyped)
7536 	    foldOpenCursor();
7537 # endif
7538     }
7539 #else
7540     clearopbeep(cap->oap);
7541 #endif
7542 }
7543 
7544 /*
7545  * Handle '"' command.
7546  */
7547     static void
7548 nv_regname(cap)
7549     cmdarg_T	*cap;
7550 {
7551     if (checkclearop(cap->oap))
7552 	return;
7553 #ifdef FEAT_EVAL
7554     if (cap->nchar == '=')
7555 	cap->nchar = get_expr_register();
7556 #endif
7557     if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7558     {
7559 	cap->oap->regname = cap->nchar;
7560 	cap->opcount = cap->count0;	/* remember count before '"' */
7561 #ifdef FEAT_EVAL
7562 	set_reg_var(cap->oap->regname);
7563 #endif
7564     }
7565     else
7566 	clearopbeep(cap->oap);
7567 }
7568 
7569 /*
7570  * Handle "v", "V" and "CTRL-V" commands.
7571  * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7572  * is TRUE.
7573  * Handle CTRL-Q just like CTRL-V.
7574  */
7575     static void
7576 nv_visual(cap)
7577     cmdarg_T	*cap;
7578 {
7579     if (cap->cmdchar == Ctrl_Q)
7580 	cap->cmdchar = Ctrl_V;
7581 
7582     /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7583      * characterwise, linewise, or blockwise. */
7584     if (cap->oap->op_type != OP_NOP)
7585     {
7586 	cap->oap->motion_force = cap->cmdchar;
7587 	finish_op = FALSE;	/* operator doesn't finish now but later */
7588 	return;
7589     }
7590 
7591     VIsual_select = cap->arg;
7592     if (VIsual_active)	    /* change Visual mode */
7593     {
7594 	if (VIsual_mode == cap->cmdchar)    /* stop visual mode */
7595 	    end_visual_mode();
7596 	else				    /* toggle char/block mode */
7597 	{				    /*	   or char/line mode */
7598 	    VIsual_mode = cap->cmdchar;
7599 	    showmode();
7600 	}
7601 	redraw_curbuf_later(INVERTED);	    /* update the inversion */
7602     }
7603     else		    /* start Visual mode */
7604     {
7605 	check_visual_highlight();
7606 	if (cap->count0 > 0 && resel_VIsual_mode != NUL)
7607 	{
7608 	    /* use previously selected part */
7609 	    VIsual = curwin->w_cursor;
7610 
7611 	    VIsual_active = TRUE;
7612 	    VIsual_reselect = TRUE;
7613 	    if (!cap->arg)
7614 		/* start Select mode when 'selectmode' contains "cmd" */
7615 		may_start_select('c');
7616 #ifdef FEAT_MOUSE
7617 	    setmouse();
7618 #endif
7619 	    if (p_smd && msg_silent == 0)
7620 		redraw_cmdline = TRUE;	    /* show visual mode later */
7621 	    /*
7622 	     * For V and ^V, we multiply the number of lines even if there
7623 	     * was only one -- webb
7624 	     */
7625 	    if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7626 	    {
7627 		curwin->w_cursor.lnum +=
7628 				    resel_VIsual_line_count * cap->count0 - 1;
7629 		if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7630 		    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7631 	    }
7632 	    VIsual_mode = resel_VIsual_mode;
7633 	    if (VIsual_mode == 'v')
7634 	    {
7635 		if (resel_VIsual_line_count <= 1)
7636 		{
7637 		    validate_virtcol();
7638 		    curwin->w_curswant = curwin->w_virtcol
7639 					+ resel_VIsual_vcol * cap->count0 - 1;
7640 		}
7641 		else
7642 		    curwin->w_curswant = resel_VIsual_vcol;
7643 		coladvance(curwin->w_curswant);
7644 	    }
7645 	    if (resel_VIsual_vcol == MAXCOL)
7646 	    {
7647 		curwin->w_curswant = MAXCOL;
7648 		coladvance((colnr_T)MAXCOL);
7649 	    }
7650 	    else if (VIsual_mode == Ctrl_V)
7651 	    {
7652 		validate_virtcol();
7653 		curwin->w_curswant = curwin->w_virtcol
7654 					+ resel_VIsual_vcol * cap->count0 - 1;
7655 		coladvance(curwin->w_curswant);
7656 	    }
7657 	    else
7658 		curwin->w_set_curswant = TRUE;
7659 	    redraw_curbuf_later(INVERTED);	/* show the inversion */
7660 	}
7661 	else
7662 	{
7663 	    if (!cap->arg)
7664 		/* start Select mode when 'selectmode' contains "cmd" */
7665 		may_start_select('c');
7666 	    n_start_visual_mode(cap->cmdchar);
7667 	    if (VIsual_mode != 'V' && *p_sel == 'e')
7668 		++cap->count1;  /* include one more char */
7669 	    if (cap->count0 > 0 && --cap->count1 > 0)
7670 	    {
7671 		/* With a count select that many characters or lines. */
7672 		if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V)
7673 		    nv_right(cap);
7674 		else if (VIsual_mode == 'V')
7675 		    nv_down(cap);
7676 	    }
7677 	}
7678     }
7679 }
7680 
7681 /*
7682  * Start selection for Shift-movement keys.
7683  */
7684     void
7685 start_selection()
7686 {
7687     /* if 'selectmode' contains "key", start Select mode */
7688     may_start_select('k');
7689     n_start_visual_mode('v');
7690 }
7691 
7692 /*
7693  * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7694  */
7695     void
7696 may_start_select(c)
7697     int		c;
7698 {
7699     VIsual_select = (stuff_empty() && typebuf_typed()
7700 		    && (vim_strchr(p_slm, c) != NULL));
7701 }
7702 
7703 /*
7704  * Start Visual mode "c".
7705  * Should set VIsual_select before calling this.
7706  */
7707     static void
7708 n_start_visual_mode(c)
7709     int		c;
7710 {
7711 #ifdef FEAT_CONCEAL
7712     /* Check for redraw before changing the state. */
7713     conceal_check_cursur_line();
7714 #endif
7715 
7716     VIsual_mode = c;
7717     VIsual_active = TRUE;
7718     VIsual_reselect = TRUE;
7719 #ifdef FEAT_VIRTUALEDIT
7720     /* Corner case: the 0 position in a tab may change when going into
7721      * virtualedit.  Recalculate curwin->w_cursor to avoid bad hilighting.
7722      */
7723     if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7724     {
7725 	validate_virtcol();
7726 	coladvance(curwin->w_virtcol);
7727     }
7728 #endif
7729     VIsual = curwin->w_cursor;
7730 
7731 #ifdef FEAT_FOLDING
7732     foldAdjustVisual();
7733 #endif
7734 
7735 #ifdef FEAT_MOUSE
7736     setmouse();
7737 #endif
7738 #ifdef FEAT_CONCEAL
7739     /* Check for redraw after changing the state. */
7740     conceal_check_cursur_line();
7741 #endif
7742 
7743     if (p_smd && msg_silent == 0)
7744 	redraw_cmdline = TRUE;	/* show visual mode later */
7745 #ifdef FEAT_CLIPBOARD
7746     /* Make sure the clipboard gets updated.  Needed because start and
7747      * end may still be the same, and the selection needs to be owned */
7748     clip_star.vmode = NUL;
7749 #endif
7750 
7751     /* Only need to redraw this line, unless still need to redraw an old
7752      * Visual area (when 'lazyredraw' is set). */
7753     if (curwin->w_redr_type < INVERTED)
7754     {
7755 	curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7756 	curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7757     }
7758 }
7759 
7760 
7761 /*
7762  * CTRL-W: Window commands
7763  */
7764     static void
7765 nv_window(cap)
7766     cmdarg_T	*cap;
7767 {
7768 #ifdef FEAT_WINDOWS
7769     if (!checkclearop(cap->oap))
7770 	do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7771 #else
7772     (void)checkclearop(cap->oap);
7773 #endif
7774 }
7775 
7776 /*
7777  * CTRL-Z: Suspend
7778  */
7779     static void
7780 nv_suspend(cap)
7781     cmdarg_T	*cap;
7782 {
7783     clearop(cap->oap);
7784     if (VIsual_active)
7785 	end_visual_mode();		/* stop Visual mode */
7786     do_cmdline_cmd((char_u *)"st");
7787 }
7788 
7789 /*
7790  * Commands starting with "g".
7791  */
7792     static void
7793 nv_g_cmd(cap)
7794     cmdarg_T	*cap;
7795 {
7796     oparg_T	*oap = cap->oap;
7797     pos_T	tpos;
7798     int		i;
7799     int		flag = FALSE;
7800 
7801     switch (cap->nchar)
7802     {
7803 #ifdef MEM_PROFILE
7804     /*
7805      * "g^A": dump log of used memory.
7806      */
7807     case Ctrl_A:
7808 	vim_mem_profile_dump();
7809 	break;
7810 #endif
7811 
7812 #ifdef FEAT_VREPLACE
7813     /*
7814      * "gR": Enter virtual replace mode.
7815      */
7816     case 'R':
7817 	cap->arg = TRUE;
7818 	nv_Replace(cap);
7819 	break;
7820 
7821     case 'r':
7822 	nv_vreplace(cap);
7823 	break;
7824 #endif
7825 
7826     case '&':
7827 	do_cmdline_cmd((char_u *)"%s//~/&");
7828 	break;
7829 
7830     /*
7831      * "gv": Reselect the previous Visual area.  If Visual already active,
7832      *	     exchange previous and current Visual area.
7833      */
7834     case 'v':
7835 	if (checkclearop(oap))
7836 	    break;
7837 
7838 	if (	   curbuf->b_visual.vi_start.lnum == 0
7839 		|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7840 		|| curbuf->b_visual.vi_end.lnum == 0)
7841 	    beep_flush();
7842 	else
7843 	{
7844 	    /* set w_cursor to the start of the Visual area, tpos to the end */
7845 	    if (VIsual_active)
7846 	    {
7847 		i = VIsual_mode;
7848 		VIsual_mode = curbuf->b_visual.vi_mode;
7849 		curbuf->b_visual.vi_mode = i;
7850 # ifdef FEAT_EVAL
7851 		curbuf->b_visual_mode_eval = i;
7852 # endif
7853 		i = curwin->w_curswant;
7854 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7855 		curbuf->b_visual.vi_curswant = i;
7856 
7857 		tpos = curbuf->b_visual.vi_end;
7858 		curbuf->b_visual.vi_end = curwin->w_cursor;
7859 		curwin->w_cursor = curbuf->b_visual.vi_start;
7860 		curbuf->b_visual.vi_start = VIsual;
7861 	    }
7862 	    else
7863 	    {
7864 		VIsual_mode = curbuf->b_visual.vi_mode;
7865 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7866 		tpos = curbuf->b_visual.vi_end;
7867 		curwin->w_cursor = curbuf->b_visual.vi_start;
7868 	    }
7869 
7870 	    VIsual_active = TRUE;
7871 	    VIsual_reselect = TRUE;
7872 
7873 	    /* Set Visual to the start and w_cursor to the end of the Visual
7874 	     * area.  Make sure they are on an existing character. */
7875 	    check_cursor();
7876 	    VIsual = curwin->w_cursor;
7877 	    curwin->w_cursor = tpos;
7878 	    check_cursor();
7879 	    update_topline();
7880 	    /*
7881 	     * When called from normal "g" command: start Select mode when
7882 	     * 'selectmode' contains "cmd".  When called for K_SELECT, always
7883 	     * start Select mode.
7884 	     */
7885 	    if (cap->arg)
7886 		VIsual_select = TRUE;
7887 	    else
7888 		may_start_select('c');
7889 #ifdef FEAT_MOUSE
7890 	    setmouse();
7891 #endif
7892 #ifdef FEAT_CLIPBOARD
7893 	    /* Make sure the clipboard gets updated.  Needed because start and
7894 	     * end are still the same, and the selection needs to be owned */
7895 	    clip_star.vmode = NUL;
7896 #endif
7897 	    redraw_curbuf_later(INVERTED);
7898 	    showmode();
7899 	}
7900 	break;
7901     /*
7902      * "gV": Don't reselect the previous Visual area after a Select mode
7903      *	     mapping of menu.
7904      */
7905     case 'V':
7906 	VIsual_reselect = FALSE;
7907 	break;
7908 
7909     /*
7910      * "gh":  start Select mode.
7911      * "gH":  start Select line mode.
7912      * "g^H": start Select block mode.
7913      */
7914     case K_BS:
7915 	cap->nchar = Ctrl_H;
7916 	/* FALLTHROUGH */
7917     case 'h':
7918     case 'H':
7919     case Ctrl_H:
7920 # ifdef EBCDIC
7921 	/* EBCDIC: 'v'-'h' != '^v'-'^h' */
7922 	if (cap->nchar == Ctrl_H)
7923 	    cap->cmdchar = Ctrl_V;
7924 	else
7925 # endif
7926 	cap->cmdchar = cap->nchar + ('v' - 'h');
7927 	cap->arg = TRUE;
7928 	nv_visual(cap);
7929 	break;
7930 
7931     /* "gn", "gN" visually select next/previous search match
7932      * "gn" selects next match
7933      * "gN" selects previous match
7934      */
7935     case 'N':
7936     case 'n':
7937 	if (!current_search(cap->count1, cap->nchar == 'n'))
7938 	    clearopbeep(oap);
7939 	break;
7940 
7941     /*
7942      * "gj" and "gk" two new funny movement keys -- up and down
7943      * movement based on *screen* line rather than *file* line.
7944      */
7945     case 'j':
7946     case K_DOWN:
7947 	/* with 'nowrap' it works just like the normal "j" command; also when
7948 	 * in a closed fold */
7949 	if (!curwin->w_p_wrap
7950 #ifdef FEAT_FOLDING
7951 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7952 #endif
7953 		)
7954 	{
7955 	    oap->motion_type = MLINE;
7956 	    i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7957 	}
7958 	else
7959 	    i = nv_screengo(oap, FORWARD, cap->count1);
7960 	if (i == FAIL)
7961 	    clearopbeep(oap);
7962 	break;
7963 
7964     case 'k':
7965     case K_UP:
7966 	/* with 'nowrap' it works just like the normal "k" command; also when
7967 	 * in a closed fold */
7968 	if (!curwin->w_p_wrap
7969 #ifdef FEAT_FOLDING
7970 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7971 #endif
7972 	   )
7973 	{
7974 	    oap->motion_type = MLINE;
7975 	    i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7976 	}
7977 	else
7978 	    i = nv_screengo(oap, BACKWARD, cap->count1);
7979 	if (i == FAIL)
7980 	    clearopbeep(oap);
7981 	break;
7982 
7983     /*
7984      * "gJ": join two lines without inserting a space.
7985      */
7986     case 'J':
7987 	nv_join(cap);
7988 	break;
7989 
7990     /*
7991      * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7992      * "gm": middle of "g0" and "g$".
7993      */
7994     case '^':
7995 	flag = TRUE;
7996 	/* FALLTHROUGH */
7997 
7998     case '0':
7999     case 'm':
8000     case K_HOME:
8001     case K_KHOME:
8002 	oap->motion_type = MCHAR;
8003 	oap->inclusive = FALSE;
8004 	if (curwin->w_p_wrap
8005 #ifdef FEAT_VERTSPLIT
8006 		&& curwin->w_width != 0
8007 #endif
8008 		)
8009 	{
8010 	    int		width1 = W_WIDTH(curwin) - curwin_col_off();
8011 	    int		width2 = width1 + curwin_col_off2();
8012 
8013 	    validate_virtcol();
8014 	    i = 0;
8015 	    if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
8016 		i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
8017 	}
8018 	else
8019 	    i = curwin->w_leftcol;
8020 	/* Go to the middle of the screen line.  When 'number' or
8021 	 * 'relativenumber' is on and lines are wrapping the middle can be more
8022 	 * to the left. */
8023 	if (cap->nchar == 'm')
8024 	    i += (W_WIDTH(curwin) - curwin_col_off()
8025 		    + ((curwin->w_p_wrap && i > 0)
8026 			? curwin_col_off2() : 0)) / 2;
8027 	coladvance((colnr_T)i);
8028 	if (flag)
8029 	{
8030 	    do
8031 		i = gchar_cursor();
8032 	    while (vim_iswhite(i) && oneright() == OK);
8033 	}
8034 	curwin->w_set_curswant = TRUE;
8035 	break;
8036 
8037     case '_':
8038 	/* "g_": to the last non-blank character in the line or <count> lines
8039 	 * downward. */
8040 	cap->oap->motion_type = MCHAR;
8041 	cap->oap->inclusive = TRUE;
8042 	curwin->w_curswant = MAXCOL;
8043 	if (cursor_down((long)(cap->count1 - 1),
8044 					 cap->oap->op_type == OP_NOP) == FAIL)
8045 	    clearopbeep(cap->oap);
8046 	else
8047 	{
8048 	    char_u  *ptr = ml_get_curline();
8049 
8050 	    /* In Visual mode we may end up after the line. */
8051 	    if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
8052 		--curwin->w_cursor.col;
8053 
8054 	    /* Decrease the cursor column until it's on a non-blank. */
8055 	    while (curwin->w_cursor.col > 0
8056 				    && vim_iswhite(ptr[curwin->w_cursor.col]))
8057 		--curwin->w_cursor.col;
8058 	    curwin->w_set_curswant = TRUE;
8059 	    adjust_for_sel(cap);
8060 	}
8061 	break;
8062 
8063     case '$':
8064     case K_END:
8065     case K_KEND:
8066 	{
8067 	    int col_off = curwin_col_off();
8068 
8069 	    oap->motion_type = MCHAR;
8070 	    oap->inclusive = TRUE;
8071 	    if (curwin->w_p_wrap
8072 #ifdef FEAT_VERTSPLIT
8073 		    && curwin->w_width != 0
8074 #endif
8075 	       )
8076 	    {
8077 		curwin->w_curswant = MAXCOL;    /* so we stay at the end */
8078 		if (cap->count1 == 1)
8079 		{
8080 		    int		width1 = W_WIDTH(curwin) - col_off;
8081 		    int		width2 = width1 + curwin_col_off2();
8082 
8083 		    validate_virtcol();
8084 		    i = width1 - 1;
8085 		    if (curwin->w_virtcol >= (colnr_T)width1)
8086 			i += ((curwin->w_virtcol - width1) / width2 + 1)
8087 								     * width2;
8088 		    coladvance((colnr_T)i);
8089 
8090 		    /* Make sure we stick in this column. */
8091 		    validate_virtcol();
8092 		    curwin->w_curswant = curwin->w_virtcol;
8093 		    curwin->w_set_curswant = FALSE;
8094 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
8095 		    if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
8096 		    {
8097 			/*
8098 			 * Check for landing on a character that got split at
8099 			 * the end of the line.  We do not want to advance to
8100 			 * the next screen line.
8101 			 */
8102 			if (curwin->w_virtcol > (colnr_T)i)
8103 			    --curwin->w_cursor.col;
8104 		    }
8105 #endif
8106 		}
8107 		else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
8108 		    clearopbeep(oap);
8109 	    }
8110 	    else
8111 	    {
8112 		i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
8113 		coladvance((colnr_T)i);
8114 
8115 		/* Make sure we stick in this column. */
8116 		validate_virtcol();
8117 		curwin->w_curswant = curwin->w_virtcol;
8118 		curwin->w_set_curswant = FALSE;
8119 	    }
8120 	}
8121 	break;
8122 
8123     /*
8124      * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
8125      */
8126     case '*':
8127     case '#':
8128 #if POUND != '#'
8129     case POUND:		/* pound sign (sometimes equal to '#') */
8130 #endif
8131     case Ctrl_RSB:		/* :tag or :tselect for current identifier */
8132     case ']':			/* :tselect for current identifier */
8133 	nv_ident(cap);
8134 	break;
8135 
8136     /*
8137      * ge and gE: go back to end of word
8138      */
8139     case 'e':
8140     case 'E':
8141 	oap->motion_type = MCHAR;
8142 	curwin->w_set_curswant = TRUE;
8143 	oap->inclusive = TRUE;
8144 	if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
8145 	    clearopbeep(oap);
8146 	break;
8147 
8148     /*
8149      * "g CTRL-G": display info about cursor position
8150      */
8151     case Ctrl_G:
8152 	cursor_pos_info();
8153 	break;
8154 
8155     /*
8156      * "gi": start Insert at the last position.
8157      */
8158     case 'i':
8159 	if (curbuf->b_last_insert.lnum != 0)
8160 	{
8161 	    curwin->w_cursor = curbuf->b_last_insert;
8162 	    check_cursor_lnum();
8163 	    i = (int)STRLEN(ml_get_curline());
8164 	    if (curwin->w_cursor.col > (colnr_T)i)
8165 	    {
8166 #ifdef FEAT_VIRTUALEDIT
8167 		if (virtual_active())
8168 		    curwin->w_cursor.coladd += curwin->w_cursor.col - i;
8169 #endif
8170 		curwin->w_cursor.col = i;
8171 	    }
8172 	}
8173 	cap->cmdchar = 'i';
8174 	nv_edit(cap);
8175 	break;
8176 
8177     /*
8178      * "gI": Start insert in column 1.
8179      */
8180     case 'I':
8181 	beginline(0);
8182 	if (!checkclearopq(oap))
8183 	    invoke_edit(cap, FALSE, 'g', FALSE);
8184 	break;
8185 
8186 #ifdef FEAT_SEARCHPATH
8187     /*
8188      * "gf": goto file, edit file under cursor
8189      * "]f" and "[f": can also be used.
8190      */
8191     case 'f':
8192     case 'F':
8193 	nv_gotofile(cap);
8194 	break;
8195 #endif
8196 
8197 	/* "g'm" and "g`m": jump to mark without setting pcmark */
8198     case '\'':
8199 	cap->arg = TRUE;
8200 	/*FALLTHROUGH*/
8201     case '`':
8202 	nv_gomark(cap);
8203 	break;
8204 
8205     /*
8206      * "gs": Goto sleep.
8207      */
8208     case 's':
8209 	do_sleep(cap->count1 * 1000L);
8210 	break;
8211 
8212     /*
8213      * "ga": Display the ascii value of the character under the
8214      * cursor.	It is displayed in decimal, hex, and octal. -- webb
8215      */
8216     case 'a':
8217 	do_ascii(NULL);
8218 	break;
8219 
8220 #ifdef FEAT_MBYTE
8221     /*
8222      * "g8": Display the bytes used for the UTF-8 character under the
8223      * cursor.	It is displayed in hex.
8224      * "8g8" finds illegal byte sequence.
8225      */
8226     case '8':
8227 	if (cap->count0 == 8)
8228 	    utf_find_illegal();
8229 	else
8230 	    show_utf8();
8231 	break;
8232 #endif
8233 
8234     case '<':
8235 	show_sb_text();
8236 	break;
8237 
8238     /*
8239      * "gg": Goto the first line in file.  With a count it goes to
8240      * that line number like for "G". -- webb
8241      */
8242     case 'g':
8243 	cap->arg = FALSE;
8244 	nv_goto(cap);
8245 	break;
8246 
8247     /*
8248      *	 Two-character operators:
8249      *	 "gq"	    Format text
8250      *	 "gw"	    Format text and keep cursor position
8251      *	 "g~"	    Toggle the case of the text.
8252      *	 "gu"	    Change text to lower case.
8253      *	 "gU"	    Change text to upper case.
8254      *   "g?"	    rot13 encoding
8255      *   "g@"	    call 'operatorfunc'
8256      */
8257     case 'q':
8258     case 'w':
8259 	oap->cursor_start = curwin->w_cursor;
8260 	/*FALLTHROUGH*/
8261     case '~':
8262     case 'u':
8263     case 'U':
8264     case '?':
8265     case '@':
8266 	nv_operator(cap);
8267 	break;
8268 
8269     /*
8270      * "gd": Find first occurrence of pattern under the cursor in the
8271      *	 current function
8272      * "gD": idem, but in the current file.
8273      */
8274     case 'd':
8275     case 'D':
8276 	nv_gd(oap, cap->nchar, (int)cap->count0);
8277 	break;
8278 
8279 #ifdef FEAT_MOUSE
8280     /*
8281      * g<*Mouse> : <C-*mouse>
8282      */
8283     case K_MIDDLEMOUSE:
8284     case K_MIDDLEDRAG:
8285     case K_MIDDLERELEASE:
8286     case K_LEFTMOUSE:
8287     case K_LEFTDRAG:
8288     case K_LEFTRELEASE:
8289     case K_RIGHTMOUSE:
8290     case K_RIGHTDRAG:
8291     case K_RIGHTRELEASE:
8292     case K_X1MOUSE:
8293     case K_X1DRAG:
8294     case K_X1RELEASE:
8295     case K_X2MOUSE:
8296     case K_X2DRAG:
8297     case K_X2RELEASE:
8298 	mod_mask = MOD_MASK_CTRL;
8299 	(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8300 	break;
8301 #endif
8302 
8303     case K_IGNORE:
8304 	break;
8305 
8306     /*
8307      * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8308      */
8309     case 'p':
8310     case 'P':
8311 	nv_put(cap);
8312 	break;
8313 
8314 #ifdef FEAT_BYTEOFF
8315     /* "go": goto byte count from start of buffer */
8316     case 'o':
8317 	goto_byte(cap->count0);
8318 	break;
8319 #endif
8320 
8321     /* "gQ": improved Ex mode */
8322     case 'Q':
8323 	if (text_locked())
8324 	{
8325 	    clearopbeep(cap->oap);
8326 	    text_locked_msg();
8327 	    break;
8328 	}
8329 
8330 	if (!checkclearopq(oap))
8331 	    do_exmode(TRUE);
8332 	break;
8333 
8334 #ifdef FEAT_JUMPLIST
8335     case ',':
8336 	nv_pcmark(cap);
8337 	break;
8338 
8339     case ';':
8340 	cap->count1 = -cap->count1;
8341 	nv_pcmark(cap);
8342 	break;
8343 #endif
8344 
8345 #ifdef FEAT_WINDOWS
8346     case 't':
8347 	if (!checkclearop(oap))
8348 	    goto_tabpage((int)cap->count0);
8349 	break;
8350     case 'T':
8351 	if (!checkclearop(oap))
8352 	    goto_tabpage(-(int)cap->count1);
8353 	break;
8354 #endif
8355 
8356     case '+':
8357     case '-': /* "g+" and "g-": undo or redo along the timeline */
8358 	if (!checkclearopq(oap))
8359 	    undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8360 							 FALSE, FALSE, FALSE);
8361 	break;
8362 
8363     default:
8364 	clearopbeep(oap);
8365 	break;
8366     }
8367 }
8368 
8369 /*
8370  * Handle "o" and "O" commands.
8371  */
8372     static void
8373 n_opencmd(cap)
8374     cmdarg_T	*cap;
8375 {
8376 #ifdef FEAT_CONCEAL
8377     linenr_T	oldline = curwin->w_cursor.lnum;
8378 #endif
8379 
8380     if (!checkclearopq(cap->oap))
8381     {
8382 #ifdef FEAT_FOLDING
8383 	if (cap->cmdchar == 'O')
8384 	    /* Open above the first line of a folded sequence of lines */
8385 	    (void)hasFolding(curwin->w_cursor.lnum,
8386 						&curwin->w_cursor.lnum, NULL);
8387 	else
8388 	    /* Open below the last line of a folded sequence of lines */
8389 	    (void)hasFolding(curwin->w_cursor.lnum,
8390 						NULL, &curwin->w_cursor.lnum);
8391 #endif
8392 	if (u_save((linenr_T)(curwin->w_cursor.lnum -
8393 					       (cap->cmdchar == 'O' ? 1 : 0)),
8394 		   (linenr_T)(curwin->w_cursor.lnum +
8395 					       (cap->cmdchar == 'o' ? 1 : 0))
8396 		       ) == OK
8397 		&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8398 #ifdef FEAT_COMMENTS
8399 		    has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8400 #endif
8401 		    0, 0))
8402 	{
8403 #ifdef FEAT_CONCEAL
8404 	    if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
8405 		update_single_line(curwin, oldline);
8406 #endif
8407 	    /* When '#' is in 'cpoptions' ignore the count. */
8408 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8409 		cap->count1 = 1;
8410 	    invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8411 	}
8412     }
8413 }
8414 
8415 /*
8416  * "." command: redo last change.
8417  */
8418     static void
8419 nv_dot(cap)
8420     cmdarg_T	*cap;
8421 {
8422     if (!checkclearopq(cap->oap))
8423     {
8424 	/*
8425 	 * If "restart_edit" is TRUE, the last but one command is repeated
8426 	 * instead of the last command (inserting text). This is used for
8427 	 * CTRL-O <.> in insert mode.
8428 	 */
8429 	if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8430 	    clearopbeep(cap->oap);
8431     }
8432 }
8433 
8434 /*
8435  * CTRL-R: undo undo
8436  */
8437     static void
8438 nv_redo(cap)
8439     cmdarg_T	*cap;
8440 {
8441     if (!checkclearopq(cap->oap))
8442     {
8443 	u_redo((int)cap->count1);
8444 	curwin->w_set_curswant = TRUE;
8445     }
8446 }
8447 
8448 /*
8449  * Handle "U" command.
8450  */
8451     static void
8452 nv_Undo(cap)
8453     cmdarg_T	*cap;
8454 {
8455     /* In Visual mode and typing "gUU" triggers an operator */
8456     if (cap->oap->op_type == OP_UPPER || VIsual_active)
8457     {
8458 	/* translate "gUU" to "gUgU" */
8459 	cap->cmdchar = 'g';
8460 	cap->nchar = 'U';
8461 	nv_operator(cap);
8462     }
8463     else if (!checkclearopq(cap->oap))
8464     {
8465 	u_undoline();
8466 	curwin->w_set_curswant = TRUE;
8467     }
8468 }
8469 
8470 /*
8471  * '~' command: If tilde is not an operator and Visual is off: swap case of a
8472  * single character.
8473  */
8474     static void
8475 nv_tilde(cap)
8476     cmdarg_T	*cap;
8477 {
8478     if (!p_to && !VIsual_active && cap->oap->op_type != OP_TILDE)
8479 	n_swapchar(cap);
8480     else
8481 	nv_operator(cap);
8482 }
8483 
8484 /*
8485  * Handle an operator command.
8486  * The actual work is done by do_pending_operator().
8487  */
8488     static void
8489 nv_operator(cap)
8490     cmdarg_T	*cap;
8491 {
8492     int	    op_type;
8493 
8494     op_type = get_op_type(cap->cmdchar, cap->nchar);
8495 
8496     if (op_type == cap->oap->op_type)	    /* double operator works on lines */
8497 	nv_lineop(cap);
8498     else if (!checkclearop(cap->oap))
8499     {
8500 	cap->oap->start = curwin->w_cursor;
8501 	cap->oap->op_type = op_type;
8502 #ifdef FEAT_EVAL
8503 	set_op_var(op_type);
8504 #endif
8505     }
8506 }
8507 
8508 #ifdef FEAT_EVAL
8509 /*
8510  * Set v:operator to the characters for "optype".
8511  */
8512     static void
8513 set_op_var(optype)
8514     int optype;
8515 {
8516     char_u	opchars[3];
8517 
8518     if (optype == OP_NOP)
8519 	set_vim_var_string(VV_OP, NULL, 0);
8520     else
8521     {
8522 	opchars[0] = get_op_char(optype);
8523 	opchars[1] = get_extra_op_char(optype);
8524 	opchars[2] = NUL;
8525 	set_vim_var_string(VV_OP, opchars, -1);
8526     }
8527 }
8528 #endif
8529 
8530 /*
8531  * Handle linewise operator "dd", "yy", etc.
8532  *
8533  * "_" is is a strange motion command that helps make operators more logical.
8534  * It is actually implemented, but not documented in the real Vi.  This motion
8535  * command actually refers to "the current line".  Commands like "dd" and "yy"
8536  * are really an alternate form of "d_" and "y_".  It does accept a count, so
8537  * "d3_" works to delete 3 lines.
8538  */
8539     static void
8540 nv_lineop(cap)
8541     cmdarg_T	*cap;
8542 {
8543     cap->oap->motion_type = MLINE;
8544     if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8545 	clearopbeep(cap->oap);
8546     else if (  (cap->oap->op_type == OP_DELETE /* only with linewise motions */
8547 		&& cap->oap->motion_force != 'v'
8548 		&& cap->oap->motion_force != Ctrl_V)
8549 	    || cap->oap->op_type == OP_LSHIFT
8550 	    || cap->oap->op_type == OP_RSHIFT)
8551 	beginline(BL_SOL | BL_FIX);
8552     else if (cap->oap->op_type != OP_YANK)	/* 'Y' does not move cursor */
8553 	beginline(BL_WHITE | BL_FIX);
8554 }
8555 
8556 /*
8557  * <Home> command.
8558  */
8559     static void
8560 nv_home(cap)
8561     cmdarg_T	*cap;
8562 {
8563     /* CTRL-HOME is like "gg" */
8564     if (mod_mask & MOD_MASK_CTRL)
8565 	nv_goto(cap);
8566     else
8567     {
8568 	cap->count0 = 1;
8569 	nv_pipe(cap);
8570     }
8571     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8572 			       one-character line). */
8573 }
8574 
8575 /*
8576  * "|" command.
8577  */
8578     static void
8579 nv_pipe(cap)
8580     cmdarg_T *cap;
8581 {
8582     cap->oap->motion_type = MCHAR;
8583     cap->oap->inclusive = FALSE;
8584     beginline(0);
8585     if (cap->count0 > 0)
8586     {
8587 	coladvance((colnr_T)(cap->count0 - 1));
8588 	curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8589     }
8590     else
8591 	curwin->w_curswant = 0;
8592     /* keep curswant at the column where we wanted to go, not where
8593      * we ended; differs if line is too short */
8594     curwin->w_set_curswant = FALSE;
8595 }
8596 
8597 /*
8598  * Handle back-word command "b" and "B".
8599  * cap->arg is 1 for "B"
8600  */
8601     static void
8602 nv_bck_word(cap)
8603     cmdarg_T	*cap;
8604 {
8605     cap->oap->motion_type = MCHAR;
8606     cap->oap->inclusive = FALSE;
8607     curwin->w_set_curswant = TRUE;
8608     if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8609 	clearopbeep(cap->oap);
8610 #ifdef FEAT_FOLDING
8611     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8612 	foldOpenCursor();
8613 #endif
8614 }
8615 
8616 /*
8617  * Handle word motion commands "e", "E", "w" and "W".
8618  * cap->arg is TRUE for "E" and "W".
8619  */
8620     static void
8621 nv_wordcmd(cap)
8622     cmdarg_T	*cap;
8623 {
8624     int		n;
8625     int		word_end;
8626     int		flag = FALSE;
8627     pos_T	startpos = curwin->w_cursor;
8628 
8629     /*
8630      * Set inclusive for the "E" and "e" command.
8631      */
8632     if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8633 	word_end = TRUE;
8634     else
8635 	word_end = FALSE;
8636     cap->oap->inclusive = word_end;
8637 
8638     /*
8639      * "cw" and "cW" are a special case.
8640      */
8641     if (!word_end && cap->oap->op_type == OP_CHANGE)
8642     {
8643 	n = gchar_cursor();
8644 	if (n != NUL)			/* not an empty line */
8645 	{
8646 	    if (vim_iswhite(n))
8647 	    {
8648 		/*
8649 		 * Reproduce a funny Vi behaviour: "cw" on a blank only
8650 		 * changes one character, not all blanks until the start of
8651 		 * the next word.  Only do this when the 'w' flag is included
8652 		 * in 'cpoptions'.
8653 		 */
8654 		if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8655 		{
8656 		    cap->oap->inclusive = TRUE;
8657 		    cap->oap->motion_type = MCHAR;
8658 		    return;
8659 		}
8660 	    }
8661 	    else
8662 	    {
8663 		/*
8664 		 * This is a little strange. To match what the real Vi does,
8665 		 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8666 		 * that we are not on a space or a TAB.  This seems impolite
8667 		 * at first, but it's really more what we mean when we say
8668 		 * 'cw'.
8669 		 * Another strangeness: When standing on the end of a word
8670 		 * "ce" will change until the end of the next word, but "cw"
8671 		 * will change only one character! This is done by setting
8672 		 * flag.
8673 		 */
8674 		cap->oap->inclusive = TRUE;
8675 		word_end = TRUE;
8676 		flag = TRUE;
8677 	    }
8678 	}
8679     }
8680 
8681     cap->oap->motion_type = MCHAR;
8682     curwin->w_set_curswant = TRUE;
8683     if (word_end)
8684 	n = end_word(cap->count1, cap->arg, flag, FALSE);
8685     else
8686 	n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8687 
8688     /* Don't leave the cursor on the NUL past the end of line. Unless we
8689      * didn't move it forward. */
8690     if (lt(startpos, curwin->w_cursor))
8691 	adjust_cursor(cap->oap);
8692 
8693     if (n == FAIL && cap->oap->op_type == OP_NOP)
8694 	clearopbeep(cap->oap);
8695     else
8696     {
8697 	adjust_for_sel(cap);
8698 #ifdef FEAT_FOLDING
8699 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8700 	    foldOpenCursor();
8701 #endif
8702     }
8703 }
8704 
8705 /*
8706  * Used after a movement command: If the cursor ends up on the NUL after the
8707  * end of the line, may move it back to the last character and make the motion
8708  * inclusive.
8709  */
8710     static void
8711 adjust_cursor(oap)
8712     oparg_T *oap;
8713 {
8714     /* The cursor cannot remain on the NUL when:
8715      * - the column is > 0
8716      * - not in Visual mode or 'selection' is "o"
8717      * - 'virtualedit' is not "all" and not "onemore".
8718      */
8719     if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
8720 		&& (!VIsual_active || *p_sel == 'o')
8721 #ifdef FEAT_VIRTUALEDIT
8722 		&& !virtual_active() && (ve_flags & VE_ONEMORE) == 0
8723 #endif
8724 		)
8725     {
8726 	--curwin->w_cursor.col;
8727 #ifdef FEAT_MBYTE
8728 	/* prevent cursor from moving on the trail byte */
8729 	if (has_mbyte)
8730 	    mb_adjust_cursor();
8731 #endif
8732 	oap->inclusive = TRUE;
8733     }
8734 }
8735 
8736 /*
8737  * "0" and "^" commands.
8738  * cap->arg is the argument for beginline().
8739  */
8740     static void
8741 nv_beginline(cap)
8742     cmdarg_T	*cap;
8743 {
8744     cap->oap->motion_type = MCHAR;
8745     cap->oap->inclusive = FALSE;
8746     beginline(cap->arg);
8747 #ifdef FEAT_FOLDING
8748     if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8749 	foldOpenCursor();
8750 #endif
8751     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8752 			       one-character line). */
8753 }
8754 
8755 /*
8756  * In exclusive Visual mode, may include the last character.
8757  */
8758     static void
8759 adjust_for_sel(cap)
8760     cmdarg_T	*cap;
8761 {
8762     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8763 	    && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8764     {
8765 #ifdef FEAT_MBYTE
8766 	if (has_mbyte)
8767 	    inc_cursor();
8768 	else
8769 #endif
8770 	    ++curwin->w_cursor.col;
8771 	cap->oap->inclusive = FALSE;
8772     }
8773 }
8774 
8775 /*
8776  * Exclude last character at end of Visual area for 'selection' == "exclusive".
8777  * Should check VIsual_mode before calling this.
8778  * Returns TRUE when backed up to the previous line.
8779  */
8780     static int
8781 unadjust_for_sel()
8782 {
8783     pos_T	*pp;
8784 
8785     if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8786     {
8787 	if (lt(VIsual, curwin->w_cursor))
8788 	    pp = &curwin->w_cursor;
8789 	else
8790 	    pp = &VIsual;
8791 #ifdef FEAT_VIRTUALEDIT
8792 	if (pp->coladd > 0)
8793 	    --pp->coladd;
8794 	else
8795 #endif
8796 	if (pp->col > 0)
8797 	{
8798 	    --pp->col;
8799 #ifdef FEAT_MBYTE
8800 	    mb_adjustpos(curbuf, pp);
8801 #endif
8802 	}
8803 	else if (pp->lnum > 1)
8804 	{
8805 	    --pp->lnum;
8806 	    pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8807 	    return TRUE;
8808 	}
8809     }
8810     return FALSE;
8811 }
8812 
8813 /*
8814  * SELECT key in Normal or Visual mode: end of Select mode mapping.
8815  */
8816     static void
8817 nv_select(cap)
8818     cmdarg_T	*cap;
8819 {
8820     if (VIsual_active)
8821 	VIsual_select = TRUE;
8822     else if (VIsual_reselect)
8823     {
8824 	cap->nchar = 'v';	    /* fake "gv" command */
8825 	cap->arg = TRUE;
8826 	nv_g_cmd(cap);
8827     }
8828 }
8829 
8830 
8831 /*
8832  * "G", "gg", CTRL-END, CTRL-HOME.
8833  * cap->arg is TRUE for "G".
8834  */
8835     static void
8836 nv_goto(cap)
8837     cmdarg_T	*cap;
8838 {
8839     linenr_T	lnum;
8840 
8841     if (cap->arg)
8842 	lnum = curbuf->b_ml.ml_line_count;
8843     else
8844 	lnum = 1L;
8845     cap->oap->motion_type = MLINE;
8846     setpcmark();
8847 
8848     /* When a count is given, use it instead of the default lnum */
8849     if (cap->count0 != 0)
8850 	lnum = cap->count0;
8851     if (lnum < 1L)
8852 	lnum = 1L;
8853     else if (lnum > curbuf->b_ml.ml_line_count)
8854 	lnum = curbuf->b_ml.ml_line_count;
8855     curwin->w_cursor.lnum = lnum;
8856     beginline(BL_SOL | BL_FIX);
8857 #ifdef FEAT_FOLDING
8858     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8859 	foldOpenCursor();
8860 #endif
8861 }
8862 
8863 /*
8864  * CTRL-\ in Normal mode.
8865  */
8866     static void
8867 nv_normal(cap)
8868     cmdarg_T	*cap;
8869 {
8870     if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8871     {
8872 	clearop(cap->oap);
8873 	if (restart_edit != 0 && mode_displayed)
8874 	    clear_cmdline = TRUE;		/* unshow mode later */
8875 	restart_edit = 0;
8876 #ifdef FEAT_CMDWIN
8877 	if (cmdwin_type != 0)
8878 	    cmdwin_result = Ctrl_C;
8879 #endif
8880 	if (VIsual_active)
8881 	{
8882 	    end_visual_mode();		/* stop Visual */
8883 	    redraw_curbuf_later(INVERTED);
8884 	}
8885 	/* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8886 	if (cap->nchar == Ctrl_G && p_im)
8887 	    restart_edit = 'a';
8888     }
8889     else
8890 	clearopbeep(cap->oap);
8891 }
8892 
8893 /*
8894  * ESC in Normal mode: beep, but don't flush buffers.
8895  * Don't even beep if we are canceling a command.
8896  */
8897     static void
8898 nv_esc(cap)
8899     cmdarg_T	*cap;
8900 {
8901     int		no_reason;
8902 
8903     no_reason = (cap->oap->op_type == OP_NOP
8904 		&& cap->opcount == 0
8905 		&& cap->count0 == 0
8906 		&& cap->oap->regname == 0
8907 		&& !p_im);
8908 
8909     if (cap->arg)		/* TRUE for CTRL-C */
8910     {
8911 	if (restart_edit == 0
8912 #ifdef FEAT_CMDWIN
8913 		&& cmdwin_type == 0
8914 #endif
8915 		&& !VIsual_active
8916 		&& no_reason)
8917 	    MSG(_("Type  :quit<Enter>  to exit Vim"));
8918 
8919 	/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8920 	 * set again below when halfway a mapping. */
8921 	if (!p_im)
8922 	    restart_edit = 0;
8923 #ifdef FEAT_CMDWIN
8924 	if (cmdwin_type != 0)
8925 	{
8926 	    cmdwin_result = K_IGNORE;
8927 	    got_int = FALSE;	/* don't stop executing autocommands et al. */
8928 	    return;
8929 	}
8930 #endif
8931     }
8932 
8933     if (VIsual_active)
8934     {
8935 	end_visual_mode();	/* stop Visual */
8936 	check_cursor_col();	/* make sure cursor is not beyond EOL */
8937 	curwin->w_set_curswant = TRUE;
8938 	redraw_curbuf_later(INVERTED);
8939     }
8940     else if (no_reason)
8941 	vim_beep();
8942     clearop(cap->oap);
8943 
8944     /* A CTRL-C is often used at the start of a menu.  When 'insertmode' is
8945      * set return to Insert mode afterwards. */
8946     if (restart_edit == 0 && goto_im()
8947 #ifdef FEAT_EX_EXTRA
8948 	    && ex_normal_busy == 0
8949 #endif
8950 	    )
8951 	restart_edit = 'a';
8952 }
8953 
8954 /*
8955  * Handle "A", "a", "I", "i" and <Insert> commands.
8956  */
8957     static void
8958 nv_edit(cap)
8959     cmdarg_T *cap;
8960 {
8961     /* <Insert> is equal to "i" */
8962     if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8963 	cap->cmdchar = 'i';
8964 
8965     /* in Visual mode "A" and "I" are an operator */
8966     if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8967 	v_visop(cap);
8968 
8969     /* in Visual mode and after an operator "a" and "i" are for text objects */
8970     else if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8971 	    && (cap->oap->op_type != OP_NOP || VIsual_active))
8972     {
8973 #ifdef FEAT_TEXTOBJ
8974 	nv_object(cap);
8975 #else
8976 	clearopbeep(cap->oap);
8977 #endif
8978     }
8979     else if (!curbuf->b_p_ma && !p_im)
8980     {
8981 	/* Only give this error when 'insertmode' is off. */
8982 	EMSG(_(e_modifiable));
8983 	clearop(cap->oap);
8984     }
8985     else if (!checkclearopq(cap->oap))
8986     {
8987 	switch (cap->cmdchar)
8988 	{
8989 	    case 'A':	/* "A"ppend after the line */
8990 		curwin->w_set_curswant = TRUE;
8991 #ifdef FEAT_VIRTUALEDIT
8992 		if (ve_flags == VE_ALL)
8993 		{
8994 		    int save_State = State;
8995 
8996 		    /* Pretend Insert mode here to allow the cursor on the
8997 		     * character past the end of the line */
8998 		    State = INSERT;
8999 		    coladvance((colnr_T)MAXCOL);
9000 		    State = save_State;
9001 		}
9002 		else
9003 #endif
9004 		    curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
9005 		break;
9006 
9007 	    case 'I':	/* "I"nsert before the first non-blank */
9008 		if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
9009 		    beginline(BL_WHITE);
9010 		else
9011 		    beginline(BL_WHITE|BL_FIX);
9012 		break;
9013 
9014 	    case 'a':	/* "a"ppend is like "i"nsert on the next character. */
9015 #ifdef FEAT_VIRTUALEDIT
9016 		/* increment coladd when in virtual space, increment the
9017 		 * column otherwise, also to append after an unprintable char */
9018 		if (virtual_active()
9019 			&& (curwin->w_cursor.coladd > 0
9020 			    || *ml_get_cursor() == NUL
9021 			    || *ml_get_cursor() == TAB))
9022 		    curwin->w_cursor.coladd++;
9023 		else
9024 #endif
9025 		if (*ml_get_cursor() != NUL)
9026 		    inc_cursor();
9027 		break;
9028 	}
9029 
9030 #ifdef FEAT_VIRTUALEDIT
9031 	if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
9032 	{
9033 	    int save_State = State;
9034 
9035 	    /* Pretend Insert mode here to allow the cursor on the
9036 	     * character past the end of the line */
9037 	    State = INSERT;
9038 	    coladvance(getviscol());
9039 	    State = save_State;
9040 	}
9041 #endif
9042 
9043 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
9044     }
9045 }
9046 
9047 /*
9048  * Invoke edit() and take care of "restart_edit" and the return value.
9049  */
9050     static void
9051 invoke_edit(cap, repl, cmd, startln)
9052     cmdarg_T	*cap;
9053     int		repl;		/* "r" or "gr" command */
9054     int		cmd;
9055     int		startln;
9056 {
9057     int		restart_edit_save = 0;
9058 
9059     /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
9060      * mode recursively.  But when doing "a<C-O>." or "a<C-O>rx" we do allow
9061      * it. */
9062     if (repl || !stuff_empty())
9063 	restart_edit_save = restart_edit;
9064     else
9065 	restart_edit_save = 0;
9066 
9067     /* Always reset "restart_edit", this is not a restarted edit. */
9068     restart_edit = 0;
9069 
9070     if (edit(cmd, startln, cap->count1))
9071 	cap->retval |= CA_COMMAND_BUSY;
9072 
9073     if (restart_edit == 0)
9074 	restart_edit = restart_edit_save;
9075 }
9076 
9077 #ifdef FEAT_TEXTOBJ
9078 /*
9079  * "a" or "i" while an operator is pending or in Visual mode: object motion.
9080  */
9081     static void
9082 nv_object(cap)
9083     cmdarg_T	*cap;
9084 {
9085     int		flag;
9086     int		include;
9087     char_u	*mps_save;
9088 
9089     if (cap->cmdchar == 'i')
9090 	include = FALSE;    /* "ix" = inner object: exclude white space */
9091     else
9092 	include = TRUE;	    /* "ax" = an object: include white space */
9093 
9094     /* Make sure (), [], {} and <> are in 'matchpairs' */
9095     mps_save = curbuf->b_p_mps;
9096     curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
9097 
9098     switch (cap->nchar)
9099     {
9100 	case 'w': /* "aw" = a word */
9101 		flag = current_word(cap->oap, cap->count1, include, FALSE);
9102 		break;
9103 	case 'W': /* "aW" = a WORD */
9104 		flag = current_word(cap->oap, cap->count1, include, TRUE);
9105 		break;
9106 	case 'b': /* "ab" = a braces block */
9107 	case '(':
9108 	case ')':
9109 		flag = current_block(cap->oap, cap->count1, include, '(', ')');
9110 		break;
9111 	case 'B': /* "aB" = a Brackets block */
9112 	case '{':
9113 	case '}':
9114 		flag = current_block(cap->oap, cap->count1, include, '{', '}');
9115 		break;
9116 	case '[': /* "a[" = a [] block */
9117 	case ']':
9118 		flag = current_block(cap->oap, cap->count1, include, '[', ']');
9119 		break;
9120 	case '<': /* "a<" = a <> block */
9121 	case '>':
9122 		flag = current_block(cap->oap, cap->count1, include, '<', '>');
9123 		break;
9124 	case 't': /* "at" = a tag block (xml and html) */
9125 		flag = current_tagblock(cap->oap, cap->count1, include);
9126 		break;
9127 	case 'p': /* "ap" = a paragraph */
9128 		flag = current_par(cap->oap, cap->count1, include, 'p');
9129 		break;
9130 	case 's': /* "as" = a sentence */
9131 		flag = current_sent(cap->oap, cap->count1, include);
9132 		break;
9133 	case '"': /* "a"" = a double quoted string */
9134 	case '\'': /* "a'" = a single quoted string */
9135 	case '`': /* "a`" = a backtick quoted string */
9136 		flag = current_quote(cap->oap, cap->count1, include,
9137 								  cap->nchar);
9138 		break;
9139 #if 0	/* TODO */
9140 	case 'S': /* "aS" = a section */
9141 	case 'f': /* "af" = a filename */
9142 	case 'u': /* "au" = a URL */
9143 #endif
9144 	default:
9145 		flag = FAIL;
9146 		break;
9147     }
9148 
9149     curbuf->b_p_mps = mps_save;
9150     if (flag == FAIL)
9151 	clearopbeep(cap->oap);
9152     adjust_cursor_col();
9153     curwin->w_set_curswant = TRUE;
9154 }
9155 #endif
9156 
9157 /*
9158  * "q" command: Start/stop recording.
9159  * "q:", "q/", "q?": edit command-line in command-line window.
9160  */
9161     static void
9162 nv_record(cap)
9163     cmdarg_T	*cap;
9164 {
9165     if (cap->oap->op_type == OP_FORMAT)
9166     {
9167 	/* "gqq" is the same as "gqgq": format line */
9168 	cap->cmdchar = 'g';
9169 	cap->nchar = 'q';
9170 	nv_operator(cap);
9171     }
9172     else if (!checkclearop(cap->oap))
9173     {
9174 #ifdef FEAT_CMDWIN
9175 	if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
9176 	{
9177 	    stuffcharReadbuff(cap->nchar);
9178 	    stuffcharReadbuff(K_CMDWIN);
9179 	}
9180 	else
9181 #endif
9182 	    /* (stop) recording into a named register, unless executing a
9183 	     * register */
9184 	    if (!Exec_reg && do_record(cap->nchar) == FAIL)
9185 		clearopbeep(cap->oap);
9186     }
9187 }
9188 
9189 /*
9190  * Handle the "@r" command.
9191  */
9192     static void
9193 nv_at(cap)
9194     cmdarg_T	*cap;
9195 {
9196     if (checkclearop(cap->oap))
9197 	return;
9198 #ifdef FEAT_EVAL
9199     if (cap->nchar == '=')
9200     {
9201 	if (get_expr_register() == NUL)
9202 	    return;
9203     }
9204 #endif
9205     while (cap->count1-- && !got_int)
9206     {
9207 	if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
9208 	{
9209 	    clearopbeep(cap->oap);
9210 	    break;
9211 	}
9212 	line_breakcheck();
9213     }
9214 }
9215 
9216 /*
9217  * Handle the CTRL-U and CTRL-D commands.
9218  */
9219     static void
9220 nv_halfpage(cap)
9221     cmdarg_T	*cap;
9222 {
9223     if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
9224 	    || (cap->cmdchar == Ctrl_D
9225 		&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
9226 	clearopbeep(cap->oap);
9227     else if (!checkclearop(cap->oap))
9228 	halfpage(cap->cmdchar == Ctrl_D, cap->count0);
9229 }
9230 
9231 /*
9232  * Handle "J" or "gJ" command.
9233  */
9234     static void
9235 nv_join(cap)
9236     cmdarg_T *cap;
9237 {
9238     if (VIsual_active)	/* join the visual lines */
9239 	nv_operator(cap);
9240     else if (!checkclearop(cap->oap))
9241     {
9242 	if (cap->count0 <= 1)
9243 	    cap->count0 = 2;	    /* default for join is two lines! */
9244 	if (curwin->w_cursor.lnum + cap->count0 - 1 >
9245 						   curbuf->b_ml.ml_line_count)
9246 	    clearopbeep(cap->oap);  /* beyond last line */
9247 	else
9248 	{
9249 	    prep_redo(cap->oap->regname, cap->count0,
9250 			 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
9251 	    (void)do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE, TRUE);
9252 	}
9253     }
9254 }
9255 
9256 /*
9257  * "P", "gP", "p" and "gp" commands.
9258  */
9259     static void
9260 nv_put(cap)
9261     cmdarg_T  *cap;
9262 {
9263     int		regname = 0;
9264     void	*reg1 = NULL, *reg2 = NULL;
9265     int		empty = FALSE;
9266     int		was_visual = FALSE;
9267     int		dir;
9268     int		flags = 0;
9269 
9270     if (cap->oap->op_type != OP_NOP)
9271     {
9272 #ifdef FEAT_DIFF
9273 	/* "dp" is ":diffput" */
9274 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
9275 	{
9276 	    clearop(cap->oap);
9277 	    nv_diffgetput(TRUE);
9278 	}
9279 	else
9280 #endif
9281 	clearopbeep(cap->oap);
9282     }
9283     else
9284     {
9285 	dir = (cap->cmdchar == 'P'
9286 		|| (cap->cmdchar == 'g' && cap->nchar == 'P'))
9287 							 ? BACKWARD : FORWARD;
9288 	prep_redo_cmd(cap);
9289 	if (cap->cmdchar == 'g')
9290 	    flags |= PUT_CURSEND;
9291 
9292 	if (VIsual_active)
9293 	{
9294 	    /* Putting in Visual mode: The put text replaces the selected
9295 	     * text.  First delete the selected text, then put the new text.
9296 	     * Need to save and restore the registers that the delete
9297 	     * overwrites if the old contents is being put.
9298 	     */
9299 	    was_visual = TRUE;
9300 	    regname = cap->oap->regname;
9301 #ifdef FEAT_CLIPBOARD
9302 	    adjust_clip_reg(&regname);
9303 #endif
9304 	   if (regname == 0 || regname == '"'
9305 				     || VIM_ISDIGIT(regname) || regname == '-'
9306 #ifdef FEAT_CLIPBOARD
9307 		    || (clip_unnamed && (regname == '*' || regname == '+'))
9308 #endif
9309 
9310 		    )
9311 	    {
9312 		/* The delete is going to overwrite the register we want to
9313 		 * put, save it first. */
9314 		reg1 = get_register(regname, TRUE);
9315 	    }
9316 
9317 	    /* Now delete the selected text. */
9318 	    cap->cmdchar = 'd';
9319 	    cap->nchar = NUL;
9320 	    cap->oap->regname = NUL;
9321 	    nv_operator(cap);
9322 	    do_pending_operator(cap, 0, FALSE);
9323 	    empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
9324 
9325 	    /* delete PUT_LINE_BACKWARD; */
9326 	    cap->oap->regname = regname;
9327 
9328 	    if (reg1 != NULL)
9329 	    {
9330 		/* Delete probably changed the register we want to put, save
9331 		 * it first. Then put back what was there before the delete. */
9332 		reg2 = get_register(regname, FALSE);
9333 		put_register(regname, reg1);
9334 	    }
9335 
9336 	    /* When deleted a linewise Visual area, put the register as
9337 	     * lines to avoid it joined with the next line.  When deletion was
9338 	     * characterwise, split a line when putting lines. */
9339 	    if (VIsual_mode == 'V')
9340 		flags |= PUT_LINE;
9341 	    else if (VIsual_mode == 'v')
9342 		flags |= PUT_LINE_SPLIT;
9343 	    if (VIsual_mode == Ctrl_V && dir == FORWARD)
9344 		flags |= PUT_LINE_FORWARD;
9345 	    dir = BACKWARD;
9346 	    if ((VIsual_mode != 'V'
9347 			&& curwin->w_cursor.col < curbuf->b_op_start.col)
9348 		    || (VIsual_mode == 'V'
9349 			&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9350 		/* cursor is at the end of the line or end of file, put
9351 		 * forward. */
9352 		dir = FORWARD;
9353 	    /* May have been reset in do_put(). */
9354 	    VIsual_active = TRUE;
9355 	}
9356 	do_put(cap->oap->regname, dir, cap->count1, flags);
9357 
9358 	/* If a register was saved, put it back now. */
9359 	if (reg2 != NULL)
9360 	    put_register(regname, reg2);
9361 
9362 	/* What to reselect with "gv"?  Selecting the just put text seems to
9363 	 * be the most useful, since the original text was removed. */
9364 	if (was_visual)
9365 	{
9366 	    curbuf->b_visual.vi_start = curbuf->b_op_start;
9367 	    curbuf->b_visual.vi_end = curbuf->b_op_end;
9368 	}
9369 
9370 	/* When all lines were selected and deleted do_put() leaves an empty
9371 	 * line that needs to be deleted now. */
9372 	if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9373 	{
9374 	    ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9375 
9376 	    /* If the cursor was in that line, move it to the end of the last
9377 	     * line. */
9378 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9379 	    {
9380 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9381 		coladvance((colnr_T)MAXCOL);
9382 	    }
9383 	}
9384 	auto_format(FALSE, TRUE);
9385     }
9386 }
9387 
9388 /*
9389  * "o" and "O" commands.
9390  */
9391     static void
9392 nv_open(cap)
9393     cmdarg_T	*cap;
9394 {
9395 #ifdef FEAT_DIFF
9396     /* "do" is ":diffget" */
9397     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9398     {
9399 	clearop(cap->oap);
9400 	nv_diffgetput(FALSE);
9401     }
9402     else
9403 #endif
9404     if (VIsual_active)  /* switch start and end of visual */
9405 	v_swap_corners(cap->cmdchar);
9406     else
9407 	n_opencmd(cap);
9408 }
9409 
9410 #ifdef FEAT_SNIFF
9411     static void
9412 nv_sniff(cap)
9413     cmdarg_T	*cap UNUSED;
9414 {
9415     ProcessSniffRequests();
9416 }
9417 #endif
9418 
9419 #ifdef FEAT_NETBEANS_INTG
9420     static void
9421 nv_nbcmd(cap)
9422     cmdarg_T	*cap;
9423 {
9424     netbeans_keycommand(cap->nchar);
9425 }
9426 #endif
9427 
9428 #ifdef FEAT_DND
9429     static void
9430 nv_drop(cap)
9431     cmdarg_T	*cap UNUSED;
9432 {
9433     do_put('~', BACKWARD, 1L, PUT_CURSEND);
9434 }
9435 #endif
9436 
9437 #ifdef FEAT_AUTOCMD
9438 /*
9439  * Trigger CursorHold event.
9440  * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9441  * input buffer.  "did_cursorhold" is set to avoid retriggering.
9442  */
9443     static void
9444 nv_cursorhold(cap)
9445     cmdarg_T	*cap;
9446 {
9447     apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9448     did_cursorhold = TRUE;
9449     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
9450 }
9451 #endif
9452