xref: /vim-8.2.3635/src/normal.c (revision 044b68f4)
1 /* vi:set ts=8 sts=4 sw=4:
2  *
3  * VIM - Vi IMproved	by Bram Moolenaar
4  *
5  * Do ":help uganda"  in Vim to read copying and usage conditions.
6  * Do ":help credits" in Vim to see a list of people who contributed.
7  * See README.txt for an overview of the Vim source code.
8  */
9 /*
10  * normal.c:	Contains the main routine for processing characters in command
11  *		mode.  Communicates closely with the code in ops.c to handle
12  *		the operators.
13  */
14 
15 #include "vim.h"
16 
17 #ifdef FEAT_VISUAL
18 /*
19  * The Visual area is remembered for reselection.
20  */
21 static int	resel_VIsual_mode = NUL;	/* 'v', 'V', or Ctrl-V */
22 static linenr_T	resel_VIsual_line_count;	/* number of lines */
23 static colnr_T	resel_VIsual_col;		/* nr of cols or end col */
24 
25 static int	restart_VIsual_select = 0;
26 #endif
27 
28 static int
29 # ifdef __BORLANDC__
30 _RTLENTRYF
31 # endif
32 		nv_compare __ARGS((const void *s1, const void *s2));
33 static int	find_command __ARGS((int cmdchar));
34 static void	op_colon __ARGS((oparg_T *oap));
35 static void	op_function __ARGS((oparg_T *oap));
36 #if defined(FEAT_MOUSE) && defined(FEAT_VISUAL)
37 static void	find_start_of_word __ARGS((pos_T *));
38 static void	find_end_of_word __ARGS((pos_T *));
39 static int	get_mouse_class __ARGS((char_u *p));
40 #endif
41 static void	prep_redo_cmd __ARGS((cmdarg_T *cap));
42 static void	prep_redo __ARGS((int regname, long, int, int, int, int, int));
43 static int	checkclearop __ARGS((oparg_T *oap));
44 static int	checkclearopq __ARGS((oparg_T *oap));
45 static void	clearop __ARGS((oparg_T *oap));
46 static void	clearopbeep __ARGS((oparg_T *oap));
47 #ifdef FEAT_VISUAL
48 static void	unshift_special __ARGS((cmdarg_T *cap));
49 #endif
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 #ifdef FEAT_VISUAL
117 static void	v_swap_corners __ARGS((int cmdchar));
118 #endif
119 static void	nv_replace __ARGS((cmdarg_T *cap));
120 static void	n_swapchar __ARGS((cmdarg_T *cap));
121 static void	nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
122 #ifdef FEAT_VISUAL
123 static void	v_visop __ARGS((cmdarg_T *cap));
124 #endif
125 static void	nv_subst __ARGS((cmdarg_T *cap));
126 static void	nv_abbrev __ARGS((cmdarg_T *cap));
127 static void	nv_optrans __ARGS((cmdarg_T *cap));
128 static void	nv_gomark __ARGS((cmdarg_T *cap));
129 static void	nv_pcmark __ARGS((cmdarg_T *cap));
130 static void	nv_regname __ARGS((cmdarg_T *cap));
131 #ifdef FEAT_VISUAL
132 static void	nv_visual __ARGS((cmdarg_T *cap));
133 static void	n_start_visual_mode __ARGS((int c));
134 #endif
135 static void	nv_window __ARGS((cmdarg_T *cap));
136 static void	nv_suspend __ARGS((cmdarg_T *cap));
137 static void	nv_g_cmd __ARGS((cmdarg_T *cap));
138 static void	n_opencmd __ARGS((cmdarg_T *cap));
139 static void	nv_dot __ARGS((cmdarg_T *cap));
140 static void	nv_redo __ARGS((cmdarg_T *cap));
141 static void	nv_Undo __ARGS((cmdarg_T *cap));
142 static void	nv_tilde __ARGS((cmdarg_T *cap));
143 static void	nv_operator __ARGS((cmdarg_T *cap));
144 static void	nv_lineop __ARGS((cmdarg_T *cap));
145 static void	nv_home __ARGS((cmdarg_T *cap));
146 static void	nv_pipe __ARGS((cmdarg_T *cap));
147 static void	nv_bck_word __ARGS((cmdarg_T *cap));
148 static void	nv_wordcmd __ARGS((cmdarg_T *cap));
149 static void	nv_beginline __ARGS((cmdarg_T *cap));
150 #ifdef FEAT_VISUAL
151 static void	adjust_for_sel __ARGS((cmdarg_T *cap));
152 static int	unadjust_for_sel __ARGS((void));
153 static void	nv_select __ARGS((cmdarg_T *cap));
154 #endif
155 static void	nv_goto __ARGS((cmdarg_T *cap));
156 static void	nv_normal __ARGS((cmdarg_T *cap));
157 static void	nv_esc __ARGS((cmdarg_T *oap));
158 static void	nv_edit __ARGS((cmdarg_T *cap));
159 static void	invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
160 #ifdef FEAT_TEXTOBJ
161 static void	nv_object __ARGS((cmdarg_T *cap));
162 #endif
163 static void	nv_record __ARGS((cmdarg_T *cap));
164 static void	nv_at __ARGS((cmdarg_T *cap));
165 static void	nv_halfpage __ARGS((cmdarg_T *cap));
166 static void	nv_join __ARGS((cmdarg_T *cap));
167 static void	nv_put __ARGS((cmdarg_T *cap));
168 static void	nv_open __ARGS((cmdarg_T *cap));
169 #ifdef FEAT_SNIFF
170 static void	nv_sniff __ARGS((cmdarg_T *cap));
171 #endif
172 #ifdef FEAT_NETBEANS_INTG
173 static void	nv_nbcmd __ARGS((cmdarg_T *cap));
174 #endif
175 #ifdef FEAT_DND
176 static void	nv_drop __ARGS((cmdarg_T *cap));
177 #endif
178 #ifdef FEAT_AUTOCMD
179 static void	nv_cursorhold __ARGS((cmdarg_T *cap));
180 #endif
181 
182 /*
183  * Function to be called for a Normal or Visual mode command.
184  * The argument is a cmdarg_T.
185  */
186 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
187 
188 /* Values for cmd_flags. */
189 #define NV_NCH	    0x01	  /* may need to get a second char */
190 #define NV_NCH_NOP  (0x02|NV_NCH) /* get second char when no operator pending */
191 #define NV_NCH_ALW  (0x04|NV_NCH) /* always get a second char */
192 #define NV_LANG	    0x08	/* second char needs language adjustment */
193 
194 #define NV_SS	    0x10	/* may start selection */
195 #define NV_SSS	    0x20	/* may start selection with shift modifier */
196 #define NV_STS	    0x40	/* may stop selection without shift modif. */
197 #define NV_RL	    0x80	/* 'rightleft' modifies command */
198 #define NV_KEEPREG  0x100	/* don't clear regname */
199 #define NV_NCW	    0x200	/* not allowed in command-line window */
200 
201 /*
202  * Generally speaking, every Normal mode command should either clear any
203  * pending operator (with *clearop*()), or set the motion type variable
204  * oap->motion_type.
205  *
206  * When a cursor motion command is made, it is marked as being a character or
207  * line oriented motion.  Then, if an operator is in effect, the operation
208  * becomes character or line oriented accordingly.
209  */
210 
211 /*
212  * This table contains one entry for every Normal or Visual mode command.
213  * The order doesn't matter, init_normal_cmds() will create a sorted index.
214  * It is faster when all keys from zero to '~' are present.
215  */
216 static const struct nv_cmd
217 {
218     int		cmd_char;	/* (first) command character */
219     nv_func_T   cmd_func;	/* function for this command */
220     short_u	cmd_flags;	/* NV_ flags */
221     short	cmd_arg;	/* value for ca.arg */
222 } nv_cmds[] =
223 {
224     {NUL,	nv_error,	0,			0},
225     {Ctrl_A,	nv_addsub,	0,			0},
226     {Ctrl_B,	nv_page,	NV_STS,			BACKWARD},
227     {Ctrl_C,	nv_esc,		0,			TRUE},
228     {Ctrl_D,	nv_halfpage,	0,			0},
229     {Ctrl_E,	nv_scroll_line,	0,			TRUE},
230     {Ctrl_F,	nv_page,	NV_STS,			FORWARD},
231     {Ctrl_G,	nv_ctrlg,	0,			0},
232     {Ctrl_H,	nv_ctrlh,	0,			0},
233     {Ctrl_I,	nv_pcmark,	0,			0},
234     {NL,	nv_down,	0,			FALSE},
235     {Ctrl_K,	nv_error,	0,			0},
236     {Ctrl_L,	nv_clear,	0,			0},
237     {Ctrl_M,	nv_down,	0,			TRUE},
238     {Ctrl_N,	nv_down,	NV_STS,			FALSE},
239     {Ctrl_O,	nv_ctrlo,	0,			0},
240     {Ctrl_P,	nv_up,		NV_STS,			FALSE},
241 #ifdef FEAT_VISUAL
242     {Ctrl_Q,	nv_visual,	0,			FALSE},
243 #else
244     {Ctrl_Q,	nv_ignore,	0,			0},
245 #endif
246     {Ctrl_R,	nv_redo,	0,			0},
247     {Ctrl_S,	nv_ignore,	0,			0},
248     {Ctrl_T,	nv_tagpop,	NV_NCW,			0},
249     {Ctrl_U,	nv_halfpage,	0,			0},
250 #ifdef FEAT_VISUAL
251     {Ctrl_V,	nv_visual,	0,			FALSE},
252     {'V',	nv_visual,	0,			FALSE},
253     {'v',	nv_visual,	0,			FALSE},
254 #else
255     {Ctrl_V,	nv_error,	0,			0},
256     {'V',	nv_error,	0,			0},
257     {'v',	nv_error,	0,			0},
258 #endif
259     {Ctrl_W,	nv_window,	0,			0},
260     {Ctrl_X,	nv_addsub,	0,			0},
261     {Ctrl_Y,	nv_scroll_line,	0,			FALSE},
262     {Ctrl_Z,	nv_suspend,	0,			0},
263     {ESC,	nv_esc,		0,			FALSE},
264     {Ctrl_BSL,	nv_normal,	NV_NCH_ALW,		0},
265     {Ctrl_RSB,	nv_ident,	NV_NCW,			0},
266     {Ctrl_HAT,	nv_hat,		NV_NCW,			0},
267     {Ctrl__,	nv_error,	0,			0},
268     {' ',	nv_right,	0,			0},
269     {'!',	nv_operator,	0,			0},
270     {'"',	nv_regname,	NV_NCH_NOP|NV_KEEPREG,	0},
271     {'#',	nv_ident,	0,			0},
272     {'$',	nv_dollar,	0,			0},
273     {'%',	nv_percent,	0,			0},
274     {'&',	nv_optrans,	0,			0},
275     {'\'',	nv_gomark,	NV_NCH_ALW,		TRUE},
276     {'(',	nv_brace,	0,			BACKWARD},
277     {')',	nv_brace,	0,			FORWARD},
278     {'*',	nv_ident,	0,			0},
279     {'+',	nv_down,	0,			TRUE},
280     {',',	nv_csearch,	0,			TRUE},
281     {'-',	nv_up,		0,			TRUE},
282     {'.',	nv_dot,		NV_KEEPREG,		0},
283     {'/',	nv_search,	0,			FALSE},
284     {'0',	nv_beginline,	0,			0},
285     {'1',	nv_ignore,	0,			0},
286     {'2',	nv_ignore,	0,			0},
287     {'3',	nv_ignore,	0,			0},
288     {'4',	nv_ignore,	0,			0},
289     {'5',	nv_ignore,	0,			0},
290     {'6',	nv_ignore,	0,			0},
291     {'7',	nv_ignore,	0,			0},
292     {'8',	nv_ignore,	0,			0},
293     {'9',	nv_ignore,	0,			0},
294     {':',	nv_colon,	0,			0},
295     {';',	nv_csearch,	0,			FALSE},
296     {'<',	nv_operator,	NV_RL,			0},
297     {'=',	nv_operator,	0,			0},
298     {'>',	nv_operator,	NV_RL,			0},
299     {'?',	nv_search,	0,			FALSE},
300     {'@',	nv_at,		NV_NCH_NOP,		FALSE},
301     {'A',	nv_edit,	0,			0},
302     {'B',	nv_bck_word,	0,			1},
303     {'C',	nv_abbrev,	NV_KEEPREG,		0},
304     {'D',	nv_abbrev,	NV_KEEPREG,		0},
305     {'E',	nv_wordcmd,	0,			TRUE},
306     {'F',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
307     {'G',	nv_goto,	0,			TRUE},
308     {'H',	nv_scroll,	0,			0},
309     {'I',	nv_edit,	0,			0},
310     {'J',	nv_join,	0,			0},
311     {'K',	nv_ident,	0,			0},
312     {'L',	nv_scroll,	0,			0},
313     {'M',	nv_scroll,	0,			0},
314     {'N',	nv_next,	0,			SEARCH_REV},
315     {'O',	nv_open,	0,			0},
316     {'P',	nv_put,		0,			0},
317     {'Q',	nv_exmode,	NV_NCW,			0},
318     {'R',	nv_Replace,	0,			FALSE},
319     {'S',	nv_subst,	NV_KEEPREG,		0},
320     {'T',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
321     {'U',	nv_Undo,	0,			0},
322     {'W',	nv_wordcmd,	0,			TRUE},
323     {'X',	nv_abbrev,	NV_KEEPREG,		0},
324     {'Y',	nv_abbrev,	NV_KEEPREG,		0},
325     {'Z',	nv_Zet,		NV_NCH_NOP|NV_NCW,	0},
326     {'[',	nv_brackets,	NV_NCH_ALW,		BACKWARD},
327     {'\\',	nv_error,	0,			0},
328     {']',	nv_brackets,	NV_NCH_ALW,		FORWARD},
329     {'^',	nv_beginline,	0,			BL_WHITE | BL_FIX},
330     {'_',	nv_lineop,	0,			0},
331     {'`',	nv_gomark,	NV_NCH_ALW,		FALSE},
332     {'a',	nv_edit,	NV_NCH,			0},
333     {'b',	nv_bck_word,	0,			0},
334     {'c',	nv_operator,	0,			0},
335     {'d',	nv_operator,	0,			0},
336     {'e',	nv_wordcmd,	0,			FALSE},
337     {'f',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
338     {'g',	nv_g_cmd,	NV_NCH_ALW,		FALSE},
339     {'h',	nv_left,	NV_RL,			0},
340     {'i',	nv_edit,	NV_NCH,			0},
341     {'j',	nv_down,	0,			FALSE},
342     {'k',	nv_up,		0,			FALSE},
343     {'l',	nv_right,	NV_RL,			0},
344     {'m',	nv_mark,	NV_NCH_NOP,		0},
345     {'n',	nv_next,	0,			0},
346     {'o',	nv_open,	0,			0},
347     {'p',	nv_put,		0,			0},
348     {'q',	nv_record,	NV_NCH,			0},
349     {'r',	nv_replace,	NV_NCH_NOP|NV_LANG,	0},
350     {'s',	nv_subst,	NV_KEEPREG,		0},
351     {'t',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
352     {'u',	nv_undo,	0,			0},
353     {'w',	nv_wordcmd,	0,			FALSE},
354     {'x',	nv_abbrev,	NV_KEEPREG,		0},
355     {'y',	nv_operator,	0,			0},
356     {'z',	nv_zet,		NV_NCH_ALW,		0},
357     {'{',	nv_findpar,	0,			BACKWARD},
358     {'|',	nv_pipe,	0,			0},
359     {'}',	nv_findpar,	0,			FORWARD},
360     {'~',	nv_tilde,	0,			0},
361 
362     /* pound sign */
363     {POUND,	nv_ident,	0,			0},
364 #ifdef FEAT_MOUSE
365     {K_MOUSEUP, nv_mousescroll,	0,			TRUE},
366     {K_MOUSEDOWN, nv_mousescroll, 0,			FALSE},
367     {K_LEFTMOUSE, nv_mouse,	0,			0},
368     {K_LEFTMOUSE_NM, nv_mouse,	0,			0},
369     {K_LEFTDRAG, nv_mouse,	0,			0},
370     {K_LEFTRELEASE, nv_mouse,	0,			0},
371     {K_LEFTRELEASE_NM, nv_mouse, 0,			0},
372     {K_MIDDLEMOUSE, nv_mouse,	0,			0},
373     {K_MIDDLEDRAG, nv_mouse,	0,			0},
374     {K_MIDDLERELEASE, nv_mouse,	0,			0},
375     {K_RIGHTMOUSE, nv_mouse,	0,			0},
376     {K_RIGHTDRAG, nv_mouse,	0,			0},
377     {K_RIGHTRELEASE, nv_mouse,	0,			0},
378     {K_X1MOUSE, nv_mouse,	0,			0},
379     {K_X1DRAG, nv_mouse,	0,			0},
380     {K_X1RELEASE, nv_mouse,	0,			0},
381     {K_X2MOUSE, nv_mouse,	0,			0},
382     {K_X2DRAG, nv_mouse,	0,			0},
383     {K_X2RELEASE, nv_mouse,	0,			0},
384 #endif
385     {K_IGNORE,	nv_ignore,	NV_KEEPREG,		0},
386     {K_NOP,	nv_nop,		0,			0},
387     {K_INS,	nv_edit,	0,			0},
388     {K_KINS,	nv_edit,	0,			0},
389     {K_BS,	nv_ctrlh,	0,			0},
390     {K_UP,	nv_up,		NV_SSS|NV_STS,		FALSE},
391     {K_S_UP,	nv_page,	NV_SS,			BACKWARD},
392     {K_DOWN,	nv_down,	NV_SSS|NV_STS,		FALSE},
393     {K_S_DOWN,	nv_page,	NV_SS,			FORWARD},
394     {K_LEFT,	nv_left,	NV_SSS|NV_STS|NV_RL,	0},
395     {K_S_LEFT,	nv_bck_word,	NV_SS|NV_RL,		0},
396     {K_C_LEFT,	nv_bck_word,	NV_SSS|NV_RL|NV_STS,	1},
397     {K_RIGHT,	nv_right,	NV_SSS|NV_STS|NV_RL,	0},
398     {K_S_RIGHT,	nv_wordcmd,	NV_SS|NV_RL,		FALSE},
399     {K_C_RIGHT,	nv_wordcmd,	NV_SSS|NV_RL|NV_STS,	TRUE},
400     {K_PAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
401     {K_KPAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
402     {K_PAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
403     {K_KPAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
404     {K_END,	nv_end,		NV_SSS|NV_STS,		FALSE},
405     {K_KEND,	nv_end,		NV_SSS|NV_STS,		FALSE},
406     {K_S_END,	nv_end,		NV_SS,			FALSE},
407     {K_C_END,	nv_end,		NV_SSS|NV_STS,		TRUE},
408     {K_HOME,	nv_home,	NV_SSS|NV_STS,		0},
409     {K_KHOME,	nv_home,	NV_SSS|NV_STS,		0},
410     {K_S_HOME,	nv_home,	NV_SS,			0},
411     {K_C_HOME,	nv_goto,	NV_SSS|NV_STS,		FALSE},
412     {K_DEL,	nv_abbrev,	0,			0},
413     {K_KDEL,	nv_abbrev,	0,			0},
414     {K_UNDO,	nv_kundo,	0,			0},
415     {K_HELP,	nv_help,	NV_NCW,			0},
416     {K_F1,	nv_help,	NV_NCW,			0},
417     {K_XF1,	nv_help,	NV_NCW,			0},
418 #ifdef FEAT_VISUAL
419     {K_SELECT,	nv_select,	0,			0},
420 #endif
421 #ifdef FEAT_GUI
422     {K_VER_SCROLLBAR, nv_ver_scrollbar, 0,		0},
423     {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0,		0},
424 #endif
425 #ifdef FEAT_GUI_TABLINE
426     {K_TABLINE, nv_tabline,	0,			0},
427     {K_TABMENU, nv_tabmenu,	0,			0},
428 #endif
429 #ifdef FEAT_FKMAP
430     {K_F8,	farsi_fkey,	0,			0},
431     {K_F9,	farsi_fkey,	0,			0},
432 #endif
433 #ifdef FEAT_SNIFF
434     {K_SNIFF,	nv_sniff,	0,			0},
435 #endif
436 #ifdef FEAT_NETBEANS_INTG
437     {K_F21,	nv_nbcmd,	NV_NCH_ALW,		0},
438 #endif
439 #ifdef FEAT_DND
440     {K_DROP,	nv_drop,	NV_STS,			0},
441 #endif
442 #ifdef FEAT_AUTOCMD
443     {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG,		0},
444 #endif
445 };
446 
447 /* Number of commands in nv_cmds[]. */
448 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
449 
450 /* Sorted index of commands in nv_cmds[]. */
451 static short nv_cmd_idx[NV_CMDS_SIZE];
452 
453 /* The highest index for which
454  * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
455 static int nv_max_linear;
456 
457 /*
458  * Compare functions for qsort() below, that checks the command character
459  * through the index in nv_cmd_idx[].
460  */
461     static int
462 #ifdef __BORLANDC__
463 _RTLENTRYF
464 #endif
465 nv_compare(s1, s2)
466     const void	*s1;
467     const void	*s2;
468 {
469     int		c1, c2;
470 
471     /* The commands are sorted on absolute value. */
472     c1 = nv_cmds[*(const short *)s1].cmd_char;
473     c2 = nv_cmds[*(const short *)s2].cmd_char;
474     if (c1 < 0)
475 	c1 = -c1;
476     if (c2 < 0)
477 	c2 = -c2;
478     return c1 - c2;
479 }
480 
481 /*
482  * Initialize the nv_cmd_idx[] table.
483  */
484     void
485 init_normal_cmds()
486 {
487     int		i;
488 
489     /* Fill the index table with a one to one relation. */
490     for (i = 0; i < NV_CMDS_SIZE; ++i)
491 	nv_cmd_idx[i] = i;
492 
493     /* Sort the commands by the command character.  */
494     qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
495 
496     /* Find the first entry that can't be indexed by the command character. */
497     for (i = 0; i < NV_CMDS_SIZE; ++i)
498 	if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
499 	    break;
500     nv_max_linear = i - 1;
501 }
502 
503 /*
504  * Search for a command in the commands table.
505  * Returns -1 for invalid command.
506  */
507     static int
508 find_command(cmdchar)
509     int		cmdchar;
510 {
511     int		i;
512     int		idx;
513     int		top, bot;
514     int		c;
515 
516 #ifdef FEAT_MBYTE
517     /* A multi-byte character is never a command. */
518     if (cmdchar >= 0x100)
519 	return -1;
520 #endif
521 
522     /* We use the absolute value of the character.  Special keys have a
523      * negative value, but are sorted on their absolute value. */
524     if (cmdchar < 0)
525 	cmdchar = -cmdchar;
526 
527     /* If the character is in the first part: The character is the index into
528      * nv_cmd_idx[]. */
529     if (cmdchar <= nv_max_linear)
530 	return nv_cmd_idx[cmdchar];
531 
532     /* Perform a binary search. */
533     bot = nv_max_linear + 1;
534     top = NV_CMDS_SIZE - 1;
535     idx = -1;
536     while (bot <= top)
537     {
538 	i = (top + bot) / 2;
539 	c = nv_cmds[nv_cmd_idx[i]].cmd_char;
540 	if (c < 0)
541 	    c = -c;
542 	if (cmdchar == c)
543 	{
544 	    idx = nv_cmd_idx[i];
545 	    break;
546 	}
547 	if (cmdchar > c)
548 	    bot = i + 1;
549 	else
550 	    top = i - 1;
551     }
552     return idx;
553 }
554 
555 /*
556  * Execute a command in Normal mode.
557  */
558 /*ARGSUSED*/
559     void
560 normal_cmd(oap, toplevel)
561     oparg_T	*oap;
562     int		toplevel;		/* TRUE when called from main() */
563 {
564     static long	opcount = 0;		/* ca.opcount saved here */
565     cmdarg_T	ca;			/* command arguments */
566     int		c;
567     int		ctrl_w = FALSE;		/* got CTRL-W command */
568     int		old_col = curwin->w_curswant;
569 #ifdef FEAT_CMDL_INFO
570     int		need_flushbuf;		/* need to call out_flush() */
571 #endif
572 #ifdef FEAT_VISUAL
573     pos_T	old_pos;		/* cursor position before command */
574     int		mapped_len;
575     static int	old_mapped_len = 0;
576 #endif
577     int		idx;
578 
579     vim_memset(&ca, 0, sizeof(ca));	/* also resets ca.retval */
580     ca.oap = oap;
581     ca.opcount = opcount;
582 
583 #ifdef FEAT_SNIFF
584     want_sniff_request = sniff_connected;
585 #endif
586 
587     /*
588      * If there is an operator pending, then the command we take this time
589      * will terminate it. Finish_op tells us to finish the operation before
590      * returning this time (unless the operation was cancelled).
591      */
592 #ifdef CURSOR_SHAPE
593     c = finish_op;
594 #endif
595     finish_op = (oap->op_type != OP_NOP);
596 #ifdef CURSOR_SHAPE
597     if (finish_op != c)
598     {
599 	ui_cursor_shape();		/* may show different cursor shape */
600 # ifdef FEAT_MOUSESHAPE
601 	update_mouseshape(-1);
602 # endif
603     }
604 #endif
605 
606     if (!finish_op && !oap->regname)
607 	ca.opcount = 0;
608 
609 #ifdef FEAT_VISUAL
610     mapped_len = typebuf_maplen();
611 #endif
612 
613     State = NORMAL_BUSY;
614 #ifdef USE_ON_FLY_SCROLL
615     dont_scroll = FALSE;	/* allow scrolling here */
616 #endif
617 
618     /*
619      * Get the command character from the user.
620      */
621     c = safe_vgetc();
622 
623 #ifdef FEAT_LANGMAP
624     LANGMAP_ADJUST(c, TRUE);
625 #endif
626 
627 #ifdef FEAT_VISUAL
628     /*
629      * If a mapping was started in Visual or Select mode, remember the length
630      * of the mapping.  This is used below to not return to Insert mode for as
631      * long as the mapping is being executed.
632      */
633     if (restart_edit == 0)
634 	old_mapped_len = 0;
635     else if (old_mapped_len
636 		|| (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
637 	old_mapped_len = typebuf_maplen();
638 #endif
639 
640     if (c == NUL)
641 	c = K_ZERO;
642 
643 #ifdef FEAT_VISUAL
644     /*
645      * In Select mode, typed text replaces the selection.
646      */
647     if (VIsual_active
648 	    && VIsual_select
649 	    && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
650     {
651 	/* Fake a "c"hange command.  When "restart_edit" is set (e.g., because
652 	 * 'insertmode' is set) fake a "d"elete command, Insert mode will
653 	 * restart automatically.
654 	 * Insert the typed character in the typeahead buffer, so that it can
655 	 * be mapped in Insert mode.  Required for ":lmap" to work. */
656 	ins_char_typebuf(c);
657 	if (restart_edit != 0)
658 	    c = 'd';
659 	else
660 	    c = 'c';
661 	msg_nowait = TRUE;	/* don't delay going to insert mode */
662     }
663 #endif
664 
665 #ifdef FEAT_CMDL_INFO
666     need_flushbuf = add_to_showcmd(c);
667 #endif
668 
669 getcount:
670 #ifdef FEAT_VISUAL
671     if (!(VIsual_active && VIsual_select))
672 #endif
673     {
674 	/*
675 	 * Handle a count before a command and compute ca.count0.
676 	 * Note that '0' is a command and not the start of a count, but it's
677 	 * part of a count after other digits.
678 	 */
679 	while (    (c >= '1' && c <= '9')
680 		|| (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
681 	{
682 	    if (c == K_DEL || c == K_KDEL)
683 	    {
684 		ca.count0 /= 10;
685 #ifdef FEAT_CMDL_INFO
686 		del_from_showcmd(4);	/* delete the digit and ~@% */
687 #endif
688 	    }
689 	    else
690 		ca.count0 = ca.count0 * 10 + (c - '0');
691 	    if (ca.count0 < 0)	    /* got too large! */
692 		ca.count0 = 999999999L;
693 	    if (ctrl_w)
694 	    {
695 		++no_mapping;
696 		++allow_keys;		/* no mapping for nchar, but keys */
697 	    }
698 	    ++no_zero_mapping;		/* don't map zero here */
699 	    c = safe_vgetc();
700 #ifdef FEAT_LANGMAP
701 	    LANGMAP_ADJUST(c, TRUE);
702 #endif
703 	    --no_zero_mapping;
704 	    if (ctrl_w)
705 	    {
706 		--no_mapping;
707 		--allow_keys;
708 	    }
709 #ifdef FEAT_CMDL_INFO
710 	    need_flushbuf |= add_to_showcmd(c);
711 #endif
712 	}
713 
714 	/*
715 	 * If we got CTRL-W there may be a/another count
716 	 */
717 	if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
718 	{
719 	    ctrl_w = TRUE;
720 	    ca.opcount = ca.count0;	/* remember first count */
721 	    ca.count0 = 0;
722 	    ++no_mapping;
723 	    ++allow_keys;		/* no mapping for nchar, but keys */
724 	    c = safe_vgetc();		/* get next character */
725 #ifdef FEAT_LANGMAP
726 	    LANGMAP_ADJUST(c, TRUE);
727 #endif
728 	    --no_mapping;
729 	    --allow_keys;
730 #ifdef FEAT_CMDL_INFO
731 	    need_flushbuf |= add_to_showcmd(c);
732 #endif
733 	    goto getcount;		/* jump back */
734 	}
735     }
736 
737     /*
738      * If we're in the middle of an operator (including after entering a yank
739      * buffer with '"') AND we had a count before the operator, then that
740      * count overrides the current value of ca.count0.
741      * What this means effectively, is that commands like "3dw" get turned
742      * into "d3w" which makes things fall into place pretty neatly.
743      * If you give a count before AND after the operator, they are multiplied.
744      */
745     if (ca.opcount != 0)
746     {
747 	if (ca.count0)
748 	    ca.count0 *= ca.opcount;
749 	else
750 	    ca.count0 = ca.opcount;
751     }
752 
753     /*
754      * Always remember the count.  It will be set to zero (on the next call,
755      * above) when there is no pending operator.
756      * When called from main(), save the count for use by the "count" built-in
757      * variable.
758      */
759     ca.opcount = ca.count0;
760     ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
761 
762 #ifdef FEAT_EVAL
763     /*
764      * Only set v:count when called from main() and not a stuffed command.
765      */
766     if (toplevel && stuff_empty())
767 	set_vcount(ca.count0, ca.count1);
768 #endif
769 
770     /*
771      * Find the command character in the table of commands.
772      * For CTRL-W we already got nchar when looking for a count.
773      */
774     if (ctrl_w)
775     {
776 	ca.nchar = c;
777 	ca.cmdchar = Ctrl_W;
778     }
779     else
780 	ca.cmdchar = c;
781     idx = find_command(ca.cmdchar);
782     if (idx < 0)
783     {
784 	/* Not a known command: beep. */
785 	clearopbeep(oap);
786 	goto normal_end;
787     }
788 
789     if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
790     {
791 	/* This command is not allowed wile editing a ccmdline: beep. */
792 	clearopbeep(oap);
793 	text_locked_msg();
794 	goto normal_end;
795     }
796 #ifdef FEAT_AUTOCMD
797     if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
798 	goto normal_end;
799 #endif
800 
801 #ifdef FEAT_VISUAL
802     /*
803      * In Visual/Select mode, a few keys are handled in a special way.
804      */
805     if (VIsual_active)
806     {
807 	/* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
808 	if (km_stopsel
809 		&& (nv_cmds[idx].cmd_flags & NV_STS)
810 		&& !(mod_mask & MOD_MASK_SHIFT))
811 	{
812 	    end_visual_mode();
813 	    redraw_curbuf_later(INVERTED);
814 	}
815 
816 	/* Keys that work different when 'keymodel' contains "startsel" */
817 	if (km_startsel)
818 	{
819 	    if (nv_cmds[idx].cmd_flags & NV_SS)
820 	    {
821 		unshift_special(&ca);
822 		idx = find_command(ca.cmdchar);
823 		if (idx < 0)
824 		{
825 		    /* Just in case */
826 		    clearopbeep(oap);
827 		    goto normal_end;
828 		}
829 	    }
830 	    else if ((nv_cmds[idx].cmd_flags & NV_SSS)
831 					       && (mod_mask & MOD_MASK_SHIFT))
832 	    {
833 		mod_mask &= ~MOD_MASK_SHIFT;
834 	    }
835 	}
836     }
837 #endif
838 
839 #ifdef FEAT_RIGHTLEFT
840     if (curwin->w_p_rl && KeyTyped && !KeyStuffed
841 					  && (nv_cmds[idx].cmd_flags & NV_RL))
842     {
843 	/* Invert horizontal movements and operations.  Only when typed by the
844 	 * user directly, not when the result of a mapping or "x" translated
845 	 * to "dl". */
846 	switch (ca.cmdchar)
847 	{
848 	    case 'l':	    ca.cmdchar = 'h'; break;
849 	    case K_RIGHT:   ca.cmdchar = K_LEFT; break;
850 	    case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
851 	    case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
852 	    case 'h':	    ca.cmdchar = 'l'; break;
853 	    case K_LEFT:    ca.cmdchar = K_RIGHT; break;
854 	    case K_S_LEFT:  ca.cmdchar = K_S_RIGHT; break;
855 	    case K_C_LEFT:  ca.cmdchar = K_C_RIGHT; break;
856 	    case '>':	    ca.cmdchar = '<'; break;
857 	    case '<':	    ca.cmdchar = '>'; break;
858 	}
859 	idx = find_command(ca.cmdchar);
860     }
861 #endif
862 
863     /*
864      * Get an additional character if we need one.
865      */
866     if ((nv_cmds[idx].cmd_flags & NV_NCH)
867 	    && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
868 		    && oap->op_type == OP_NOP)
869 		|| (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
870 		|| (ca.cmdchar == 'q'
871 		    && oap->op_type == OP_NOP
872 		    && !Recording
873 		    && !Exec_reg)
874 		|| ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
875 		    && (oap->op_type != OP_NOP
876 #ifdef FEAT_VISUAL
877 			|| VIsual_active
878 #endif
879 		       ))))
880     {
881 	int	*cp;
882 	int	repl = FALSE;	/* get character for replace mode */
883 	int	lit = FALSE;	/* get extra character literally */
884 	int	langmap_active = FALSE;    /* using :lmap mappings */
885 	int	lang;		/* getting a text character */
886 #ifdef USE_IM_CONTROL
887 	int	save_smd;	/* saved value of p_smd */
888 #endif
889 
890 	++no_mapping;
891 	++allow_keys;		/* no mapping for nchar, but allow key codes */
892 	if (ca.cmdchar == 'g')
893 	{
894 	    /*
895 	     * For 'g' get the next character now, so that we can check for
896 	     * "gr", "g'" and "g`".
897 	     */
898 	    ca.nchar = safe_vgetc();
899 #ifdef FEAT_LANGMAP
900 	    LANGMAP_ADJUST(ca.nchar, TRUE);
901 #endif
902 #ifdef FEAT_CMDL_INFO
903 	    need_flushbuf |= add_to_showcmd(ca.nchar);
904 #endif
905 	    if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
906 						      || ca.nchar == Ctrl_BSL)
907 	    {
908 		cp = &ca.extra_char;	/* need to get a third character */
909 		if (ca.nchar != 'r')
910 		    lit = TRUE;			/* get it literally */
911 		else
912 		    repl = TRUE;		/* get it in replace mode */
913 	    }
914 	    else
915 		cp = NULL;		/* no third character needed */
916 	}
917 	else
918 	{
919 	    if (ca.cmdchar == 'r')		/* get it in replace mode */
920 		repl = TRUE;
921 	    cp = &ca.nchar;
922 	}
923 	lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
924 
925 	/*
926 	 * Get a second or third character.
927 	 */
928 	if (cp != NULL)
929 	{
930 #ifdef CURSOR_SHAPE
931 	    if (repl)
932 	    {
933 		State = REPLACE;	/* pretend Replace mode */
934 		ui_cursor_shape();	/* show different cursor shape */
935 	    }
936 #endif
937 	    if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
938 	    {
939 		/* Allow mappings defined with ":lmap". */
940 		--no_mapping;
941 		--allow_keys;
942 		if (repl)
943 		    State = LREPLACE;
944 		else
945 		    State = LANGMAP;
946 		langmap_active = TRUE;
947 	    }
948 #ifdef USE_IM_CONTROL
949 	    save_smd = p_smd;
950 	    p_smd = FALSE;	/* Don't let the IM code show the mode here */
951 	    if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
952 		im_set_active(TRUE);
953 #endif
954 
955 	    *cp = safe_vgetc();
956 
957 	    if (langmap_active)
958 	    {
959 		/* Undo the decrement done above */
960 		++no_mapping;
961 		++allow_keys;
962 		State = NORMAL_BUSY;
963 	    }
964 #ifdef USE_IM_CONTROL
965 	    if (lang)
966 	    {
967 		if (curbuf->b_p_iminsert != B_IMODE_LMAP)
968 		    im_save_status(&curbuf->b_p_iminsert);
969 		im_set_active(FALSE);
970 	    }
971 	    p_smd = save_smd;
972 #endif
973 #ifdef CURSOR_SHAPE
974 	    State = NORMAL_BUSY;
975 #endif
976 #ifdef FEAT_CMDL_INFO
977 	    need_flushbuf |= add_to_showcmd(*cp);
978 #endif
979 
980 	    if (!lit)
981 	    {
982 #ifdef FEAT_DIGRAPHS
983 		/* Typing CTRL-K gets a digraph. */
984 		if (*cp == Ctrl_K
985 			&& ((nv_cmds[idx].cmd_flags & NV_LANG)
986 			    || cp == &ca.extra_char)
987 			&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
988 		{
989 		    c = get_digraph(FALSE);
990 		    if (c > 0)
991 		    {
992 			*cp = c;
993 # ifdef FEAT_CMDL_INFO
994 			/* Guessing how to update showcmd here... */
995 			del_from_showcmd(3);
996 			need_flushbuf |= add_to_showcmd(*cp);
997 # endif
998 		    }
999 		}
1000 #endif
1001 
1002 #ifdef FEAT_LANGMAP
1003 		/* adjust chars > 127, except after "tTfFr" commands */
1004 		LANGMAP_ADJUST(*cp, !lang);
1005 #endif
1006 #ifdef FEAT_RIGHTLEFT
1007 		/* adjust Hebrew mapped char */
1008 		if (p_hkmap && lang && KeyTyped)
1009 		    *cp = hkmap(*cp);
1010 # ifdef FEAT_FKMAP
1011 		/* adjust Farsi mapped char */
1012 		if (p_fkmap && lang && KeyTyped)
1013 		    *cp = fkmap(*cp);
1014 # endif
1015 #endif
1016 	    }
1017 
1018 	    /*
1019 	     * When the next character is CTRL-\ a following CTRL-N means the
1020 	     * command is aborted and we go to Normal mode.
1021 	     */
1022 	    if (cp == &ca.extra_char
1023 		    && ca.nchar == Ctrl_BSL
1024 		    && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1025 	    {
1026 		ca.cmdchar = Ctrl_BSL;
1027 		ca.nchar = ca.extra_char;
1028 		idx = find_command(ca.cmdchar);
1029 	    }
1030 	    else if (*cp == Ctrl_BSL)
1031 	    {
1032 		long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1033 
1034 		/* There is a busy wait here when typing "f<C-\>" and then
1035 		 * something different from CTRL-N.  Can't be avoided. */
1036 		while ((c = vpeekc()) <= 0 && towait > 0L)
1037 		{
1038 		    do_sleep(towait > 50L ? 50L : towait);
1039 		    towait -= 50L;
1040 		}
1041 		if (c > 0)
1042 		{
1043 		    c = safe_vgetc();
1044 		    if (c != Ctrl_N && c != Ctrl_G)
1045 			vungetc(c);
1046 		    else
1047 		    {
1048 			ca.cmdchar = Ctrl_BSL;
1049 			ca.nchar = c;
1050 			idx = find_command(ca.cmdchar);
1051 		    }
1052 		}
1053 	    }
1054 
1055 #ifdef FEAT_MBYTE
1056 	    /* When getting a text character and the next character is a
1057 	     * multi-byte character, it could be a composing character.
1058 	     * However, don't wait for it to arrive. */
1059 	    while (enc_utf8 && lang && (c = vpeekc()) > 0
1060 				 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1061 	    {
1062 		c = safe_vgetc();
1063 		if (!utf_iscomposing(c))
1064 		{
1065 		    vungetc(c);		/* it wasn't, put it back */
1066 		    break;
1067 		}
1068 		else if (ca.ncharC1 == 0)
1069 		    ca.ncharC1 = c;
1070 		else
1071 		    ca.ncharC2 = c;
1072 	    }
1073 #endif
1074 	}
1075 	--no_mapping;
1076 	--allow_keys;
1077     }
1078 
1079 #ifdef FEAT_CMDL_INFO
1080     /*
1081      * Flush the showcmd characters onto the screen so we can see them while
1082      * the command is being executed.  Only do this when the shown command was
1083      * actually displayed, otherwise this will slow down a lot when executing
1084      * mappings.
1085      */
1086     if (need_flushbuf)
1087 	out_flush();
1088 #endif
1089 #ifdef FEAT_AUTOCMD
1090     did_cursorhold = FALSE;
1091 #endif
1092 
1093     State = NORMAL;
1094 
1095     if (ca.nchar == ESC)
1096     {
1097 	clearop(oap);
1098 	if (restart_edit == 0 && goto_im())
1099 	    restart_edit = 'a';
1100 	goto normal_end;
1101     }
1102 
1103     if (ca.cmdchar != K_IGNORE)
1104     {
1105 	msg_didout = FALSE;    /* don't scroll screen up for normal command */
1106 	msg_col = 0;
1107     }
1108 
1109 #ifdef FEAT_VISUAL
1110     old_pos = curwin->w_cursor;		/* remember where cursor was */
1111 
1112     /* When 'keymodel' contains "startsel" some keys start Select/Visual
1113      * mode. */
1114     if (!VIsual_active && km_startsel)
1115     {
1116 	if (nv_cmds[idx].cmd_flags & NV_SS)
1117 	{
1118 	    start_selection();
1119 	    unshift_special(&ca);
1120 	    idx = find_command(ca.cmdchar);
1121 	}
1122 	else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1123 					   && (mod_mask & MOD_MASK_SHIFT))
1124 	{
1125 	    start_selection();
1126 	    mod_mask &= ~MOD_MASK_SHIFT;
1127 	}
1128     }
1129 #endif
1130 
1131     /*
1132      * Execute the command!
1133      * Call the command function found in the commands table.
1134      */
1135     ca.arg = nv_cmds[idx].cmd_arg;
1136     (nv_cmds[idx].cmd_func)(&ca);
1137 
1138     /*
1139      * If we didn't start or finish an operator, reset oap->regname, unless we
1140      * need it later.
1141      */
1142     if (!finish_op
1143 	    && !oap->op_type
1144 	    && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1145     {
1146 	clearop(oap);
1147 #ifdef FEAT_EVAL
1148 	set_reg_var('"');
1149 #endif
1150     }
1151 
1152 #ifdef FEAT_VISUAL
1153     /* Get the length of mapped chars again after typing a count, second
1154      * character or "z333<cr>". */
1155     if (old_mapped_len > 0)
1156 	old_mapped_len = typebuf_maplen();
1157 #endif
1158 
1159     /*
1160      * If an operation is pending, handle it...
1161      */
1162     do_pending_operator(&ca, old_col, FALSE);
1163 
1164     /*
1165      * Wait for a moment when a message is displayed that will be overwritten
1166      * by the mode message.
1167      * In Visual mode and with "^O" in Insert mode, a short message will be
1168      * overwritten by the mode message.  Wait a bit, until a key is hit.
1169      * In Visual mode, it's more important to keep the Visual area updated
1170      * than keeping a message (e.g. from a /pat search).
1171      * Only do this if the command was typed, not from a mapping.
1172      * Don't wait when emsg_silent is non-zero.
1173      * Also wait a bit after an error message, e.g. for "^O:".
1174      * Don't redraw the screen, it would remove the message.
1175      */
1176     if (       ((p_smd
1177 		    && msg_silent == 0
1178 		    && (restart_edit != 0
1179 #ifdef FEAT_VISUAL
1180 			|| (VIsual_active
1181 			    && old_pos.lnum == curwin->w_cursor.lnum
1182 			    && old_pos.col == curwin->w_cursor.col)
1183 #endif
1184 		       )
1185 		    && (clear_cmdline
1186 			|| redraw_cmdline)
1187 		    && (msg_didout || (msg_didany && msg_scroll))
1188 		    && !msg_nowait
1189 		    && KeyTyped)
1190 		|| (restart_edit != 0
1191 #ifdef FEAT_VISUAL
1192 		    && !VIsual_active
1193 #endif
1194 		    && (msg_scroll
1195 			|| emsg_on_display)))
1196 	    && oap->regname == 0
1197 	    && !(ca.retval & CA_COMMAND_BUSY)
1198 	    && stuff_empty()
1199 	    && typebuf_typed()
1200 	    && emsg_silent == 0
1201 	    && !did_wait_return
1202 	    && oap->op_type == OP_NOP)
1203     {
1204 	int	save_State = State;
1205 
1206 	/* Draw the cursor with the right shape here */
1207 	if (restart_edit != 0)
1208 	    State = INSERT;
1209 
1210 	/* If need to redraw, and there is a "keep_msg", redraw before the
1211 	 * delay */
1212 	if (must_redraw && keep_msg != NULL && !emsg_on_display)
1213 	{
1214 	    char_u	*kmsg;
1215 
1216 	    kmsg = keep_msg;
1217 	    keep_msg = NULL;
1218 	    /* showmode() will clear keep_msg, but we want to use it anyway */
1219 	    update_screen(0);
1220 	    /* now reset it, otherwise it's put in the history again */
1221 	    keep_msg = kmsg;
1222 	    msg_attr(kmsg, keep_msg_attr);
1223 	    vim_free(kmsg);
1224 	}
1225 	setcursor();
1226 	cursor_on();
1227 	out_flush();
1228 	if (msg_scroll || emsg_on_display)
1229 	    ui_delay(1000L, TRUE);	/* wait at least one second */
1230 	ui_delay(3000L, FALSE);		/* wait up to three seconds */
1231 	State = save_State;
1232 
1233 	msg_scroll = FALSE;
1234 	emsg_on_display = FALSE;
1235     }
1236 
1237     /*
1238      * Finish up after executing a Normal mode command.
1239      */
1240 normal_end:
1241 
1242     msg_nowait = FALSE;
1243 
1244     /* Reset finish_op, in case it was set */
1245 #ifdef CURSOR_SHAPE
1246     c = finish_op;
1247 #endif
1248     finish_op = FALSE;
1249 #ifdef CURSOR_SHAPE
1250     /* Redraw the cursor with another shape, if we were in Operator-pending
1251      * mode or did a replace command. */
1252     if (c || ca.cmdchar == 'r')
1253     {
1254 	ui_cursor_shape();		/* may show different cursor shape */
1255 # ifdef FEAT_MOUSESHAPE
1256 	update_mouseshape(-1);
1257 # endif
1258     }
1259 #endif
1260 
1261 #ifdef FEAT_CMDL_INFO
1262     if (oap->op_type == OP_NOP && oap->regname == 0)
1263 	clear_showcmd();
1264 #endif
1265 
1266     checkpcmark();		/* check if we moved since setting pcmark */
1267     vim_free(ca.searchbuf);
1268 
1269 #ifdef FEAT_MBYTE
1270     if (has_mbyte)
1271 	mb_adjust_cursor();
1272 #endif
1273 
1274 #ifdef FEAT_SCROLLBIND
1275     if (curwin->w_p_scb && toplevel)
1276     {
1277 	validate_cursor();	/* may need to update w_leftcol */
1278 	do_check_scrollbind(TRUE);
1279     }
1280 #endif
1281 
1282     /*
1283      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1284      * if still inside a mapping that started in Visual mode).
1285      * May switch from Visual to Select mode after CTRL-O command.
1286      */
1287     if (       oap->op_type == OP_NOP
1288 #ifdef FEAT_VISUAL
1289 	    && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1290 		|| restart_VIsual_select == 1)
1291 #else
1292 	    && restart_edit != 0
1293 #endif
1294 	    && !(ca.retval & CA_COMMAND_BUSY)
1295 	    && stuff_empty()
1296 	    && oap->regname == 0)
1297     {
1298 #ifdef FEAT_VISUAL
1299 	if (restart_VIsual_select == 1)
1300 	{
1301 	    VIsual_select = TRUE;
1302 	    showmode();
1303 	    restart_VIsual_select = 0;
1304 	}
1305 #endif
1306 	if (restart_edit != 0
1307 #ifdef FEAT_VISUAL
1308 		&& !VIsual_active && old_mapped_len == 0
1309 #endif
1310 		)
1311 	    (void)edit(restart_edit, FALSE, 1L);
1312     }
1313 
1314 #ifdef FEAT_VISUAL
1315     if (restart_VIsual_select == 2)
1316 	restart_VIsual_select = 1;
1317 #endif
1318 
1319     /* Save count before an operator for next time. */
1320     opcount = ca.opcount;
1321 }
1322 
1323 /*
1324  * Handle an operator after visual mode or when the movement is finished
1325  */
1326     void
1327 do_pending_operator(cap, old_col, gui_yank)
1328     cmdarg_T	*cap;
1329     int		old_col;
1330     int		gui_yank;
1331 {
1332     oparg_T	*oap = cap->oap;
1333     pos_T	old_cursor;
1334     int		empty_region_error;
1335     int		restart_edit_save;
1336 
1337 #ifdef FEAT_VISUAL
1338     /* The visual area is remembered for redo */
1339     static int	    redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1340     static linenr_T redo_VIsual_line_count; /* number of lines */
1341     static colnr_T  redo_VIsual_col;	    /* number of cols or end column */
1342     static long	    redo_VIsual_count;	    /* count for Visual operator */
1343 # ifdef FEAT_VIRTUALEDIT
1344     int		    include_line_break = FALSE;
1345 # endif
1346 #endif
1347 
1348 #if defined(FEAT_CLIPBOARD)
1349     /*
1350      * Yank the visual area into the GUI selection register before we operate
1351      * on it and lose it forever.
1352      * Don't do it if a specific register was specified, so that ""x"*P works.
1353      * This could call do_pending_operator() recursively, but that's OK
1354      * because gui_yank will be TRUE for the nested call.
1355      */
1356     if (clip_star.available
1357 	    && oap->op_type != OP_NOP
1358 	    && !gui_yank
1359 # ifdef FEAT_VISUAL
1360 	    && VIsual_active
1361 	    && !redo_VIsual_busy
1362 # endif
1363 	    && oap->regname == 0)
1364 	clip_auto_select();
1365 #endif
1366     old_cursor = curwin->w_cursor;
1367 
1368     /*
1369      * If an operation is pending, handle it...
1370      */
1371     if ((finish_op
1372 #ifdef FEAT_VISUAL
1373 		|| VIsual_active
1374 #endif
1375 		) && oap->op_type != OP_NOP)
1376     {
1377 #ifdef FEAT_VISUAL
1378 	oap->is_VIsual = VIsual_active;
1379 	if (oap->motion_force == 'V')
1380 	    oap->motion_type = MLINE;
1381 	else if (oap->motion_force == 'v')
1382 	{
1383 	    /* If the motion was linewise, "inclusive" will not have been set.
1384 	     * Use "exclusive" to be consistent.  Makes "dvj" work nice. */
1385 	    if (oap->motion_type == MLINE)
1386 		oap->inclusive = FALSE;
1387 	    /* If the motion already was characterwise, toggle "inclusive" */
1388 	    else if (oap->motion_type == MCHAR)
1389 		oap->inclusive = !oap->inclusive;
1390 	    oap->motion_type = MCHAR;
1391 	}
1392 	else if (oap->motion_force == Ctrl_V)
1393 	{
1394 	    /* Change line- or characterwise motion into Visual block mode. */
1395 	    VIsual_active = TRUE;
1396 	    VIsual = oap->start;
1397 	    VIsual_mode = Ctrl_V;
1398 	    VIsual_select = FALSE;
1399 	    VIsual_reselect = FALSE;
1400 	}
1401 #endif
1402 
1403 	/* only redo yank when 'y' flag is in 'cpoptions' */
1404 	/* never redo "zf" (define fold) */
1405 	if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1406 #ifdef FEAT_VISUAL
1407 		&& (!VIsual_active || oap->motion_force)
1408 #endif
1409 		&& cap->cmdchar != 'D'
1410 #ifdef FEAT_FOLDING
1411 		&& oap->op_type != OP_FOLD
1412 		&& oap->op_type != OP_FOLDOPEN
1413 		&& oap->op_type != OP_FOLDOPENREC
1414 		&& oap->op_type != OP_FOLDCLOSE
1415 		&& oap->op_type != OP_FOLDCLOSEREC
1416 		&& oap->op_type != OP_FOLDDEL
1417 		&& oap->op_type != OP_FOLDDELREC
1418 #endif
1419 		)
1420 	{
1421 	    prep_redo(oap->regname, cap->count0,
1422 		    get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1423 		    oap->motion_force, cap->cmdchar, cap->nchar);
1424 	    if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1425 	    {
1426 		/*
1427 		 * If 'cpoptions' does not contain 'r', insert the search
1428 		 * pattern to really repeat the same command.
1429 		 */
1430 		if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1431 		    AppendToRedobuffLit(cap->searchbuf, -1);
1432 		AppendToRedobuff(NL_STR);
1433 	    }
1434 	    else if (cap->cmdchar == ':')
1435 	    {
1436 		/* do_cmdline() has stored the first typed line in
1437 		 * "repeat_cmdline".  When several lines are typed repeating
1438 		 * won't be possible. */
1439 		if (repeat_cmdline == NULL)
1440 		    ResetRedobuff();
1441 		else
1442 		{
1443 		    AppendToRedobuffLit(repeat_cmdline, -1);
1444 		    AppendToRedobuff(NL_STR);
1445 		    vim_free(repeat_cmdline);
1446 		    repeat_cmdline = NULL;
1447 		}
1448 	    }
1449 	}
1450 
1451 #ifdef FEAT_VISUAL
1452 	if (redo_VIsual_busy)
1453 	{
1454 	    oap->start = curwin->w_cursor;
1455 	    curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1456 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1457 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1458 	    VIsual_mode = redo_VIsual_mode;
1459 	    if (VIsual_mode == 'v')
1460 	    {
1461 		if (redo_VIsual_line_count <= 1)
1462 		    curwin->w_cursor.col += redo_VIsual_col - 1;
1463 		else
1464 		    curwin->w_cursor.col = redo_VIsual_col;
1465 	    }
1466 	    if (redo_VIsual_col == MAXCOL)
1467 	    {
1468 		curwin->w_curswant = MAXCOL;
1469 		coladvance((colnr_T)MAXCOL);
1470 	    }
1471 	    cap->count0 = redo_VIsual_count;
1472 	    if (redo_VIsual_count != 0)
1473 		cap->count1 = redo_VIsual_count;
1474 	    else
1475 		cap->count1 = 1;
1476 	}
1477 	else if (VIsual_active)
1478 	{
1479 	    if (!gui_yank)
1480 	    {
1481 		/* Save the current VIsual area for '< and '> marks, and "gv" */
1482 		curbuf->b_visual.vi_start = VIsual;
1483 		curbuf->b_visual.vi_end = curwin->w_cursor;
1484 		curbuf->b_visual.vi_mode = VIsual_mode;
1485 		curbuf->b_visual.vi_curswant = curwin->w_curswant;
1486 # ifdef FEAT_EVAL
1487 		curbuf->b_visual_mode_eval = VIsual_mode;
1488 # endif
1489 	    }
1490 
1491 	    /* In Select mode, a linewise selection is operated upon like a
1492 	     * characterwise selection. */
1493 	    if (VIsual_select && VIsual_mode == 'V')
1494 	    {
1495 		if (lt(VIsual, curwin->w_cursor))
1496 		{
1497 		    VIsual.col = 0;
1498 		    curwin->w_cursor.col =
1499 			       (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1500 		}
1501 		else
1502 		{
1503 		    curwin->w_cursor.col = 0;
1504 		    VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1505 		}
1506 		VIsual_mode = 'v';
1507 	    }
1508 	    /* If 'selection' is "exclusive", backup one character for
1509 	     * charwise selections. */
1510 	    else if (VIsual_mode == 'v')
1511 	    {
1512 # ifdef FEAT_VIRTUALEDIT
1513 		include_line_break =
1514 # endif
1515 		    unadjust_for_sel();
1516 	    }
1517 
1518 	    oap->start = VIsual;
1519 	    if (VIsual_mode == 'V')
1520 		oap->start.col = 0;
1521 	}
1522 #endif /* FEAT_VISUAL */
1523 
1524 	/*
1525 	 * Set oap->start to the first position of the operated text, oap->end
1526 	 * to the end of the operated text.  w_cursor is equal to oap->start.
1527 	 */
1528 	if (lt(oap->start, curwin->w_cursor))
1529 	{
1530 #ifdef FEAT_FOLDING
1531 	    /* Include folded lines completely. */
1532 	    if (!VIsual_active)
1533 	    {
1534 		if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1535 		    oap->start.col = 0;
1536 		if (hasFolding(curwin->w_cursor.lnum, NULL,
1537 						      &curwin->w_cursor.lnum))
1538 		    curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1539 	    }
1540 #endif
1541 	    oap->end = curwin->w_cursor;
1542 	    curwin->w_cursor = oap->start;
1543 
1544 	    /* w_virtcol may have been updated; if the cursor goes back to its
1545 	     * previous position w_virtcol becomes invalid and isn't updated
1546 	     * automatically. */
1547 	    curwin->w_valid &= ~VALID_VIRTCOL;
1548 	}
1549 	else
1550 	{
1551 #ifdef FEAT_FOLDING
1552 	    /* Include folded lines completely. */
1553 	    if (!VIsual_active && oap->motion_type == MLINE)
1554 	    {
1555 		if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1556 									NULL))
1557 		    curwin->w_cursor.col = 0;
1558 		if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1559 		    oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1560 	    }
1561 #endif
1562 	    oap->end = oap->start;
1563 	    oap->start = curwin->w_cursor;
1564 	}
1565 
1566 	oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1567 
1568 #ifdef FEAT_VIRTUALEDIT
1569 	/* Set "virtual_op" before resetting VIsual_active. */
1570 	virtual_op = virtual_active();
1571 #endif
1572 
1573 #ifdef FEAT_VISUAL
1574 	if (VIsual_active || redo_VIsual_busy)
1575 	{
1576 	    if (VIsual_mode == Ctrl_V)	/* block mode */
1577 	    {
1578 		colnr_T	    start, end;
1579 
1580 		oap->block_mode = TRUE;
1581 
1582 		getvvcol(curwin, &(oap->start),
1583 				      &oap->start_vcol, NULL, &oap->end_vcol);
1584 		if (!redo_VIsual_busy)
1585 		{
1586 		    getvvcol(curwin, &(oap->end), &start, NULL, &end);
1587 
1588 		    if (start < oap->start_vcol)
1589 			oap->start_vcol = start;
1590 		    if (end > oap->end_vcol)
1591 		    {
1592 			if (*p_sel == 'e' && start >= 1
1593 						&& start - 1 >= oap->end_vcol)
1594 			    oap->end_vcol = start - 1;
1595 			else
1596 			    oap->end_vcol = end;
1597 		    }
1598 		}
1599 
1600 		/* if '$' was used, get oap->end_vcol from longest line */
1601 		if (curwin->w_curswant == MAXCOL)
1602 		{
1603 		    curwin->w_cursor.col = MAXCOL;
1604 		    oap->end_vcol = 0;
1605 		    for (curwin->w_cursor.lnum = oap->start.lnum;
1606 			    curwin->w_cursor.lnum <= oap->end.lnum;
1607 						      ++curwin->w_cursor.lnum)
1608 		    {
1609 			getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1610 			if (end > oap->end_vcol)
1611 			    oap->end_vcol = end;
1612 		    }
1613 		}
1614 		else if (redo_VIsual_busy)
1615 		    oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1616 		/*
1617 		 * Correct oap->end.col and oap->start.col to be the
1618 		 * upper-left and lower-right corner of the block area.
1619 		 *
1620 		 * (Actually, this does convert column positions into character
1621 		 * positions)
1622 		 */
1623 		curwin->w_cursor.lnum = oap->end.lnum;
1624 		coladvance(oap->end_vcol);
1625 		oap->end = curwin->w_cursor;
1626 
1627 		curwin->w_cursor = oap->start;
1628 		coladvance(oap->start_vcol);
1629 		oap->start = curwin->w_cursor;
1630 	    }
1631 
1632 	    if (!redo_VIsual_busy && !gui_yank)
1633 	    {
1634 		/*
1635 		 * Prepare to reselect and redo Visual: this is based on the
1636 		 * size of the Visual text
1637 		 */
1638 		resel_VIsual_mode = VIsual_mode;
1639 		if (curwin->w_curswant == MAXCOL)
1640 		    resel_VIsual_col = MAXCOL;
1641 		else if (VIsual_mode == Ctrl_V)
1642 		    resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1643 		else if (oap->line_count > 1)
1644 		    resel_VIsual_col = oap->end.col;
1645 		else
1646 		    resel_VIsual_col = oap->end.col - oap->start.col + 1;
1647 		resel_VIsual_line_count = oap->line_count;
1648 	    }
1649 
1650 	    /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1651 	    if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1652 		    && oap->op_type != OP_COLON
1653 #ifdef FEAT_FOLDING
1654 		    && oap->op_type != OP_FOLD
1655 		    && oap->op_type != OP_FOLDOPEN
1656 		    && oap->op_type != OP_FOLDOPENREC
1657 		    && oap->op_type != OP_FOLDCLOSE
1658 		    && oap->op_type != OP_FOLDCLOSEREC
1659 		    && oap->op_type != OP_FOLDDEL
1660 		    && oap->op_type != OP_FOLDDELREC
1661 #endif
1662 		    && oap->motion_force == NUL
1663 		    )
1664 	    {
1665 		/* Prepare for redoing.  Only use the nchar field for "r",
1666 		 * otherwise it might be the second char of the operator. */
1667 		prep_redo(oap->regname, 0L, NUL, 'v',
1668 				get_op_char(oap->op_type),
1669 				get_extra_op_char(oap->op_type),
1670 				oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1671 		if (!redo_VIsual_busy)
1672 		{
1673 		    redo_VIsual_mode = resel_VIsual_mode;
1674 		    redo_VIsual_col = resel_VIsual_col;
1675 		    redo_VIsual_line_count = resel_VIsual_line_count;
1676 		    redo_VIsual_count = cap->count0;
1677 		}
1678 	    }
1679 
1680 	    /*
1681 	     * oap->inclusive defaults to TRUE.
1682 	     * If oap->end is on a NUL (empty line) oap->inclusive becomes
1683 	     * FALSE.  This makes "d}P" and "v}dP" work the same.
1684 	     */
1685 	    if (oap->motion_force == NUL || oap->motion_type == MLINE)
1686 		oap->inclusive = TRUE;
1687 	    if (VIsual_mode == 'V')
1688 		oap->motion_type = MLINE;
1689 	    else
1690 	    {
1691 		oap->motion_type = MCHAR;
1692 		if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1693 # ifdef FEAT_VIRTUALEDIT
1694 			&& (include_line_break || !virtual_op)
1695 # endif
1696 			)
1697 		{
1698 		    oap->inclusive = FALSE;
1699 		    /* Try to include the newline, unless it's an operator
1700 		     * that works on lines only */
1701 		    if (*p_sel != 'o'
1702 			    && !op_on_lines(oap->op_type)
1703 			    && oap->end.lnum < curbuf->b_ml.ml_line_count)
1704 		    {
1705 			++oap->end.lnum;
1706 			oap->end.col = 0;
1707 # ifdef FEAT_VIRTUALEDIT
1708 			oap->end.coladd = 0;
1709 # endif
1710 			++oap->line_count;
1711 		    }
1712 		}
1713 	    }
1714 
1715 	    redo_VIsual_busy = FALSE;
1716 
1717 	    /*
1718 	     * Switch Visual off now, so screen updating does
1719 	     * not show inverted text when the screen is redrawn.
1720 	     * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1721 	     * no screen redraw, so it is done here to remove the inverted
1722 	     * part.
1723 	     */
1724 	    if (!gui_yank)
1725 	    {
1726 		VIsual_active = FALSE;
1727 # ifdef FEAT_MOUSE
1728 		setmouse();
1729 		mouse_dragging = 0;
1730 # endif
1731 		if (mode_displayed)
1732 		    clear_cmdline = TRUE;   /* unshow visual mode later */
1733 #ifdef FEAT_CMDL_INFO
1734 		else
1735 		    clear_showcmd();
1736 #endif
1737 		if ((oap->op_type == OP_YANK
1738 			    || oap->op_type == OP_COLON
1739 			    || oap->op_type == OP_FUNCTION
1740 			    || oap->op_type == OP_FILTER)
1741 			&& oap->motion_force == NUL)
1742 		    redraw_curbuf_later(INVERTED);
1743 	    }
1744 	}
1745 #endif
1746 
1747 #ifdef FEAT_MBYTE
1748 	/* Include the trailing byte of a multi-byte char. */
1749 	if (has_mbyte && oap->inclusive)
1750 	{
1751 	    int		l;
1752 
1753 	    l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1754 	    if (l > 1)
1755 		oap->end.col += l - 1;
1756 	}
1757 #endif
1758 	curwin->w_set_curswant = TRUE;
1759 
1760 	/*
1761 	 * oap->empty is set when start and end are the same.  The inclusive
1762 	 * flag affects this too, unless yanking and the end is on a NUL.
1763 	 */
1764 	oap->empty = (oap->motion_type == MCHAR
1765 		    && (!oap->inclusive
1766 			|| (oap->op_type == OP_YANK
1767 			    && gchar_pos(&oap->end) == NUL))
1768 		    && equalpos(oap->start, oap->end)
1769 #ifdef FEAT_VIRTUALEDIT
1770 		    && !(virtual_op && oap->start.coladd != oap->end.coladd)
1771 #endif
1772 		    );
1773 	/*
1774 	 * For delete, change and yank, it's an error to operate on an
1775 	 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1776 	 */
1777 	empty_region_error = (oap->empty
1778 				&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1779 
1780 #ifdef FEAT_VISUAL
1781 	/* Force a redraw when operating on an empty Visual region, when
1782 	 * 'modifiable is off or creating a fold. */
1783 	if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1784 # ifdef FEAT_FOLDING
1785 		    || oap->op_type == OP_FOLD
1786 # endif
1787 		    ))
1788 	    redraw_curbuf_later(INVERTED);
1789 #endif
1790 
1791 	/*
1792 	 * If the end of an operator is in column one while oap->motion_type
1793 	 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1794 	 * character in the previous line. If op_start is on or before the
1795 	 * first non-blank in the line, the operator becomes linewise
1796 	 * (strange, but that's the way vi does it).
1797 	 */
1798 	if (	   oap->motion_type == MCHAR
1799 		&& oap->inclusive == FALSE
1800 		&& !(cap->retval & CA_NO_ADJ_OP_END)
1801 		&& oap->end.col == 0
1802 #ifdef FEAT_VISUAL
1803 		&& (!oap->is_VIsual || *p_sel == 'o')
1804 		&& !oap->block_mode
1805 #endif
1806 		&& oap->line_count > 1)
1807 	{
1808 	    oap->end_adjusted = TRUE;	    /* remember that we did this */
1809 	    --oap->line_count;
1810 	    --oap->end.lnum;
1811 	    if (inindent(0))
1812 		oap->motion_type = MLINE;
1813 	    else
1814 	    {
1815 		oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1816 		if (oap->end.col)
1817 		{
1818 		    --oap->end.col;
1819 		    oap->inclusive = TRUE;
1820 		}
1821 	    }
1822 	}
1823 	else
1824 	    oap->end_adjusted = FALSE;
1825 
1826 	switch (oap->op_type)
1827 	{
1828 	case OP_LSHIFT:
1829 	case OP_RSHIFT:
1830 	    op_shift(oap, TRUE,
1831 #ifdef FEAT_VISUAL
1832 		    oap->is_VIsual ? (int)cap->count1 :
1833 #endif
1834 		    1);
1835 	    auto_format(FALSE, TRUE);
1836 	    break;
1837 
1838 	case OP_JOIN_NS:
1839 	case OP_JOIN:
1840 	    if (oap->line_count < 2)
1841 		oap->line_count = 2;
1842 	    if (curwin->w_cursor.lnum + oap->line_count - 1 >
1843 						   curbuf->b_ml.ml_line_count)
1844 		beep_flush();
1845 	    else
1846 	    {
1847 		do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1848 		auto_format(FALSE, TRUE);
1849 	    }
1850 	    break;
1851 
1852 	case OP_DELETE:
1853 #ifdef FEAT_VISUAL
1854 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1855 #endif
1856 	    if (empty_region_error)
1857 		vim_beep();
1858 	    else
1859 	    {
1860 		(void)op_delete(oap);
1861 		if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1862 		    u_save_cursor();	    /* cursor line wasn't saved yet */
1863 		auto_format(FALSE, TRUE);
1864 	    }
1865 	    break;
1866 
1867 	case OP_YANK:
1868 	    if (empty_region_error)
1869 	    {
1870 		if (!gui_yank)
1871 		    vim_beep();
1872 	    }
1873 	    else
1874 		(void)op_yank(oap, FALSE, !gui_yank);
1875 	    check_cursor_col();
1876 	    break;
1877 
1878 	case OP_CHANGE:
1879 #ifdef FEAT_VISUAL
1880 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1881 #endif
1882 	    if (empty_region_error)
1883 		vim_beep();
1884 	    else
1885 	    {
1886 		/* This is a new edit command, not a restart.  Need to
1887 		 * remember it to make 'insertmode' work with mappings for
1888 		 * Visual mode.  But do this only once and not when typed and
1889 		 * 'insertmode' isn't set. */
1890 		if (p_im || !KeyTyped)
1891 		    restart_edit_save = restart_edit;
1892 		else
1893 		    restart_edit_save = 0;
1894 		restart_edit = 0;
1895 		/* Reset finish_op now, don't want it set inside edit(). */
1896 		finish_op = FALSE;
1897 		if (op_change(oap))	/* will call edit() */
1898 		    cap->retval |= CA_COMMAND_BUSY;
1899 		if (restart_edit == 0)
1900 		    restart_edit = restart_edit_save;
1901 	    }
1902 	    break;
1903 
1904 	case OP_FILTER:
1905 	    if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1906 		AppendToRedobuff((char_u *)"!\r");  /* use any last used !cmd */
1907 	    else
1908 		bangredo = TRUE;    /* do_bang() will put cmd in redo buffer */
1909 
1910 	case OP_INDENT:
1911 	case OP_COLON:
1912 
1913 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1914 	    /*
1915 	     * If 'equalprg' is empty, do the indenting internally.
1916 	     */
1917 	    if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1918 	    {
1919 # ifdef FEAT_LISP
1920 		if (curbuf->b_p_lisp)
1921 		{
1922 		    op_reindent(oap, get_lisp_indent);
1923 		    break;
1924 		}
1925 # endif
1926 # ifdef FEAT_CINDENT
1927 		op_reindent(oap,
1928 #  ifdef FEAT_EVAL
1929 			*curbuf->b_p_inde != NUL ? get_expr_indent :
1930 #  endif
1931 			    get_c_indent);
1932 		break;
1933 # endif
1934 	    }
1935 #endif
1936 
1937 	    op_colon(oap);
1938 	    break;
1939 
1940 	case OP_TILDE:
1941 	case OP_UPPER:
1942 	case OP_LOWER:
1943 	case OP_ROT13:
1944 	    if (empty_region_error)
1945 		vim_beep();
1946 	    else
1947 		op_tilde(oap);
1948 	    check_cursor_col();
1949 	    break;
1950 
1951 	case OP_FORMAT:
1952 #if defined(FEAT_EVAL)
1953 	    if (*curbuf->b_p_fex != NUL)
1954 		op_formatexpr(oap);	/* use expression */
1955 	    else
1956 #endif
1957 		if (*p_fp != NUL)
1958 		op_colon(oap);		/* use external command */
1959 	    else
1960 		op_format(oap, FALSE);	/* use internal function */
1961 	    break;
1962 
1963 	case OP_FORMAT2:
1964 	    op_format(oap, TRUE);	/* use internal function */
1965 	    break;
1966 
1967 	case OP_FUNCTION:
1968 	    op_function(oap);		/* call 'operatorfunc' */
1969 	    break;
1970 
1971 	case OP_INSERT:
1972 	case OP_APPEND:
1973 #ifdef FEAT_VISUAL
1974 	    VIsual_reselect = FALSE;	/* don't reselect now */
1975 #endif
1976 #ifdef FEAT_VISUALEXTRA
1977 	    if (empty_region_error)
1978 		vim_beep();
1979 	    else
1980 	    {
1981 		/* This is a new edit command, not a restart.  Need to
1982 		 * remember it to make 'insertmode' work with mappings for
1983 		 * Visual mode.  But do this only once. */
1984 		restart_edit_save = restart_edit;
1985 		restart_edit = 0;
1986 
1987 		op_insert(oap, cap->count1);
1988 
1989 		/* TODO: when inserting in several lines, should format all
1990 		 * the lines. */
1991 		auto_format(FALSE, TRUE);
1992 
1993 		if (restart_edit == 0)
1994 		    restart_edit = restart_edit_save;
1995 	    }
1996 #else
1997 	    vim_beep();
1998 #endif
1999 	    break;
2000 
2001 	case OP_REPLACE:
2002 #ifdef FEAT_VISUAL
2003 	    VIsual_reselect = FALSE;	/* don't reselect now */
2004 #endif
2005 #ifdef FEAT_VISUALEXTRA
2006 	    if (empty_region_error)
2007 #endif
2008 		vim_beep();
2009 #ifdef FEAT_VISUALEXTRA
2010 	    else
2011 		op_replace(oap, cap->nchar);
2012 #endif
2013 	    break;
2014 
2015 #ifdef FEAT_FOLDING
2016 	case OP_FOLD:
2017 	    VIsual_reselect = FALSE;	/* don't reselect now */
2018 	    foldCreate(oap->start.lnum, oap->end.lnum);
2019 	    break;
2020 
2021 	case OP_FOLDOPEN:
2022 	case OP_FOLDOPENREC:
2023 	case OP_FOLDCLOSE:
2024 	case OP_FOLDCLOSEREC:
2025 	    VIsual_reselect = FALSE;	/* don't reselect now */
2026 	    opFoldRange(oap->start.lnum, oap->end.lnum,
2027 		    oap->op_type == OP_FOLDOPEN
2028 					    || oap->op_type == OP_FOLDOPENREC,
2029 		    oap->op_type == OP_FOLDOPENREC
2030 					  || oap->op_type == OP_FOLDCLOSEREC,
2031 					  oap->is_VIsual);
2032 	    break;
2033 
2034 	case OP_FOLDDEL:
2035 	case OP_FOLDDELREC:
2036 	    VIsual_reselect = FALSE;	/* don't reselect now */
2037 	    deleteFold(oap->start.lnum, oap->end.lnum,
2038 			       oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2039 	    break;
2040 #endif
2041 	default:
2042 	    clearopbeep(oap);
2043 	}
2044 #ifdef FEAT_VIRTUALEDIT
2045 	virtual_op = MAYBE;
2046 #endif
2047 	if (!gui_yank)
2048 	{
2049 	    /*
2050 	     * if 'sol' not set, go back to old column for some commands
2051 	     */
2052 	    if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2053 		    && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2054 						|| oap->op_type == OP_DELETE))
2055 		coladvance(curwin->w_curswant = old_col);
2056 	}
2057 	else
2058 	{
2059 	    curwin->w_cursor = old_cursor;
2060 	}
2061 #ifdef FEAT_VISUAL
2062 	oap->block_mode = FALSE;
2063 #endif
2064 	clearop(oap);
2065     }
2066 }
2067 
2068 /*
2069  * Handle indent and format operators and visual mode ":".
2070  */
2071     static void
2072 op_colon(oap)
2073     oparg_T	*oap;
2074 {
2075     stuffcharReadbuff(':');
2076 #ifdef FEAT_VISUAL
2077     if (oap->is_VIsual)
2078 	stuffReadbuff((char_u *)"'<,'>");
2079     else
2080 #endif
2081     {
2082 	/*
2083 	 * Make the range look nice, so it can be repeated.
2084 	 */
2085 	if (oap->start.lnum == curwin->w_cursor.lnum)
2086 	    stuffcharReadbuff('.');
2087 	else
2088 	    stuffnumReadbuff((long)oap->start.lnum);
2089 	if (oap->end.lnum != oap->start.lnum)
2090 	{
2091 	    stuffcharReadbuff(',');
2092 	    if (oap->end.lnum == curwin->w_cursor.lnum)
2093 		stuffcharReadbuff('.');
2094 	    else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2095 		stuffcharReadbuff('$');
2096 	    else if (oap->start.lnum == curwin->w_cursor.lnum)
2097 	    {
2098 		stuffReadbuff((char_u *)".+");
2099 		stuffnumReadbuff((long)oap->line_count - 1);
2100 	    }
2101 	    else
2102 		stuffnumReadbuff((long)oap->end.lnum);
2103 	}
2104     }
2105     if (oap->op_type != OP_COLON)
2106 	stuffReadbuff((char_u *)"!");
2107     if (oap->op_type == OP_INDENT)
2108     {
2109 #ifndef FEAT_CINDENT
2110 	if (*get_equalprg() == NUL)
2111 	    stuffReadbuff((char_u *)"indent");
2112 	else
2113 #endif
2114 	    stuffReadbuff(get_equalprg());
2115 	stuffReadbuff((char_u *)"\n");
2116     }
2117     else if (oap->op_type == OP_FORMAT)
2118     {
2119 	if (*p_fp == NUL)
2120 	    stuffReadbuff((char_u *)"fmt");
2121 	else
2122 	    stuffReadbuff(p_fp);
2123 	stuffReadbuff((char_u *)"\n']");
2124     }
2125 
2126     /*
2127      * do_cmdline() does the rest
2128      */
2129 }
2130 
2131 /*
2132  * Handle the "g@" operator: call 'operatorfunc'.
2133  */
2134 /*ARGSUSED*/
2135     static void
2136 op_function(oap)
2137     oparg_T	*oap;
2138 {
2139 #ifdef FEAT_EVAL
2140     char_u	*(argv[1]);
2141 
2142     if (*p_opfunc == NUL)
2143 	EMSG(_("E774: 'operatorfunc' is empty"));
2144     else
2145     {
2146 	/* Set '[ and '] marks to text to be operated on. */
2147 	curbuf->b_op_start = oap->start;
2148 	curbuf->b_op_end = oap->end;
2149 	if (oap->motion_type != MLINE && !oap->inclusive)
2150 	    /* Exclude the end position. */
2151 	    decl(&curbuf->b_op_end);
2152 
2153 	if (oap->block_mode)
2154 	    argv[0] = (char_u *)"block";
2155 	else if (oap->motion_type == MLINE)
2156 	    argv[0] = (char_u *)"line";
2157 	else
2158 	    argv[0] = (char_u *)"char";
2159 	(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2160     }
2161 #else
2162     EMSG(_("E775: Eval feature not available"));
2163 #endif
2164 }
2165 
2166 #if defined(FEAT_MOUSE) || defined(PROTO)
2167 /*
2168  * Do the appropriate action for the current mouse click in the current mode.
2169  * Not used for Command-line mode.
2170  *
2171  * Normal Mode:
2172  * event	 modi-	position      visual	   change   action
2173  *		 fier	cursor			   window
2174  * left press	  -	yes	    end		    yes
2175  * left press	  C	yes	    end		    yes	    "^]" (2)
2176  * left press	  S	yes	    end		    yes	    "*" (2)
2177  * left drag	  -	yes	start if moved	    no
2178  * left relse	  -	yes	start if moved	    no
2179  * middle press	  -	yes	 if not active	    no	    put register
2180  * middle press	  -	yes	 if active	    no	    yank and put
2181  * right press	  -	yes	start or extend	    yes
2182  * right press	  S	yes	no change	    yes	    "#" (2)
2183  * right drag	  -	yes	extend		    no
2184  * right relse	  -	yes	extend		    no
2185  *
2186  * Insert or Replace Mode:
2187  * event	 modi-	position      visual	   change   action
2188  *		 fier	cursor			   window
2189  * left press	  -	yes	(cannot be active)  yes
2190  * left press	  C	yes	(cannot be active)  yes	    "CTRL-O^]" (2)
2191  * left press	  S	yes	(cannot be active)  yes	    "CTRL-O*" (2)
2192  * left drag	  -	yes	start or extend (1) no	    CTRL-O (1)
2193  * left relse	  -	yes	start or extend (1) no	    CTRL-O (1)
2194  * middle press	  -	no	(cannot be active)  no	    put register
2195  * right press	  -	yes	start or extend	    yes	    CTRL-O
2196  * right press	  S	yes	(cannot be active)  yes	    "CTRL-O#" (2)
2197  *
2198  * (1) only if mouse pointer moved since press
2199  * (2) only if click is in same buffer
2200  *
2201  * Return TRUE if start_arrow() should be called for edit mode.
2202  */
2203     int
2204 do_mouse(oap, c, dir, count, fixindent)
2205     oparg_T	*oap;		/* operator argument, can be NULL */
2206     int		c;		/* K_LEFTMOUSE, etc */
2207     int		dir;		/* Direction to 'put' if necessary */
2208     long	count;
2209     int		fixindent;	/* PUT_FIXINDENT if fixing indent necessary */
2210 {
2211     static int	do_always = FALSE;	/* ignore 'mouse' setting next time */
2212     static int	got_click = FALSE;	/* got a click some time back */
2213 
2214     int		which_button;	/* MOUSE_LEFT, _MIDDLE or _RIGHT */
2215     int		is_click;	/* If FALSE it's a drag or release event */
2216     int		is_drag;	/* If TRUE it's a drag event */
2217     int		jump_flags = 0;	/* flags for jump_to_mouse() */
2218     pos_T	start_visual;
2219     int		moved;		/* Has cursor moved? */
2220     int		in_status_line;	/* mouse in status line */
2221 #ifdef FEAT_VERTSPLIT
2222     int		in_sep_line;	/* mouse in vertical separator line */
2223 #endif
2224     int		c1, c2;
2225 #if defined(FEAT_FOLDING)
2226     pos_T	save_cursor;
2227 #endif
2228     win_T	*old_curwin = curwin;
2229 #ifdef FEAT_VISUAL
2230     static pos_T orig_cursor;
2231     colnr_T	leftcol, rightcol;
2232     pos_T	end_visual;
2233     int		diff;
2234     int		old_active = VIsual_active;
2235     int		old_mode = VIsual_mode;
2236 #endif
2237     int		regname;
2238 
2239 #if defined(FEAT_FOLDING)
2240     save_cursor = curwin->w_cursor;
2241 #endif
2242 
2243     /*
2244      * When GUI is active, always recognize mouse events, otherwise:
2245      * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2246      * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2247      * - For command line and insert mode 'mouse' is checked before calling
2248      *	 do_mouse().
2249      */
2250     if (do_always)
2251 	do_always = FALSE;
2252     else
2253 #ifdef FEAT_GUI
2254 	if (!gui.in_use)
2255 #endif
2256 	{
2257 #ifdef FEAT_VISUAL
2258 	    if (VIsual_active)
2259 	    {
2260 		if (!mouse_has(MOUSE_VISUAL))
2261 		    return FALSE;
2262 	    }
2263 	    else
2264 #endif
2265 		if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2266 		return FALSE;
2267 	}
2268 
2269     which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2270 
2271 #ifdef FEAT_MOUSESHAPE
2272     /* May have stopped dragging the status or separator line.  The pointer is
2273      * most likely still on the status or separator line. */
2274     if (!is_drag && drag_status_line)
2275     {
2276 	drag_status_line = FALSE;
2277 	update_mouseshape(SHAPE_IDX_STATUS);
2278     }
2279 # ifdef FEAT_VERTSPLIT
2280     if (!is_drag && drag_sep_line)
2281     {
2282 	drag_sep_line = FALSE;
2283 	update_mouseshape(SHAPE_IDX_VSEP);
2284     }
2285 # endif
2286 #endif
2287 
2288     /*
2289      * Ignore drag and release events if we didn't get a click.
2290      */
2291     if (is_click)
2292 	got_click = TRUE;
2293     else
2294     {
2295 	if (!got_click)			/* didn't get click, ignore */
2296 	    return FALSE;
2297 	if (!is_drag)			/* release, reset got_click */
2298 	    got_click = FALSE;
2299     }
2300 
2301 #ifndef FEAT_VISUAL
2302     /*
2303      * ALT is only used for starging/extending Visual mode.
2304      */
2305     if ((mod_mask & MOD_MASK_ALT))
2306 	return FALSE;
2307 #endif
2308 
2309     /*
2310      * CTRL right mouse button does CTRL-T
2311      */
2312     if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2313     {
2314 	if (State & INSERT)
2315 	    stuffcharReadbuff(Ctrl_O);
2316 	if (count > 1)
2317 	    stuffnumReadbuff(count);
2318 	stuffcharReadbuff(Ctrl_T);
2319 	got_click = FALSE;		/* ignore drag&release now */
2320 	return FALSE;
2321     }
2322 
2323     /*
2324      * CTRL only works with left mouse button
2325      */
2326     if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2327 	return FALSE;
2328 
2329     /*
2330      * When a modifier is down, ignore drag and release events, as well as
2331      * multiple clicks and the middle mouse button.
2332      * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2333      */
2334     if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2335 							     | MOD_MASK_META))
2336 	    && (!is_click
2337 		|| (mod_mask & MOD_MASK_MULTI_CLICK)
2338 		|| which_button == MOUSE_MIDDLE)
2339 	    && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2340 		&& mouse_model_popup()
2341 		&& which_button == MOUSE_LEFT)
2342 	    && !((mod_mask & MOD_MASK_ALT)
2343 		&& !mouse_model_popup()
2344 		&& which_button == MOUSE_RIGHT)
2345 	    )
2346 	return FALSE;
2347 
2348     /*
2349      * If the button press was used as the movement command for an operator
2350      * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2351      * drag/release events.
2352      */
2353     if (!is_click && which_button == MOUSE_MIDDLE)
2354 	return FALSE;
2355 
2356     if (oap != NULL)
2357 	regname = oap->regname;
2358     else
2359 	regname = 0;
2360 
2361     /*
2362      * Middle mouse button does a 'put' of the selected text
2363      */
2364     if (which_button == MOUSE_MIDDLE)
2365     {
2366 	if (State == NORMAL)
2367 	{
2368 	    /*
2369 	     * If an operator was pending, we don't know what the user wanted
2370 	     * to do. Go back to normal mode: Clear the operator and beep().
2371 	     */
2372 	    if (oap != NULL && oap->op_type != OP_NOP)
2373 	    {
2374 		clearopbeep(oap);
2375 		return FALSE;
2376 	    }
2377 
2378 #ifdef FEAT_VISUAL
2379 	    /*
2380 	     * If visual was active, yank the highlighted text and put it
2381 	     * before the mouse pointer position.
2382 	     * In Select mode replace the highlighted text with the clipboard.
2383 	     */
2384 	    if (VIsual_active)
2385 	    {
2386 		if (VIsual_select)
2387 		{
2388 		    stuffcharReadbuff(Ctrl_G);
2389 		    stuffReadbuff((char_u *)"\"+p");
2390 		}
2391 		else
2392 		{
2393 		    stuffcharReadbuff('y');
2394 		    stuffcharReadbuff(K_MIDDLEMOUSE);
2395 		}
2396 		do_always = TRUE;	/* ignore 'mouse' setting next time */
2397 		return FALSE;
2398 	    }
2399 #endif
2400 	    /*
2401 	     * The rest is below jump_to_mouse()
2402 	     */
2403 	}
2404 
2405 	else if ((State & INSERT) == 0)
2406 	    return FALSE;
2407 
2408 	/*
2409 	 * Middle click in insert mode doesn't move the mouse, just insert the
2410 	 * contents of a register.  '.' register is special, can't insert that
2411 	 * with do_put().
2412 	 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2413 	 * happens for the GUI).
2414 	 */
2415 	if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2416 	{
2417 	    if (regname == '.')
2418 		insert_reg(regname, TRUE);
2419 	    else
2420 	    {
2421 #ifdef FEAT_CLIPBOARD
2422 		if (clip_star.available && regname == 0)
2423 		    regname = '*';
2424 #endif
2425 		if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2426 		    insert_reg(regname, TRUE);
2427 		else
2428 		{
2429 		    do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2430 
2431 		    /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2432 		    AppendCharToRedobuff(Ctrl_R);
2433 		    AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2434 		    AppendCharToRedobuff(regname == 0 ? '"' : regname);
2435 		}
2436 	    }
2437 	    return FALSE;
2438 	}
2439     }
2440 
2441     /* When dragging or button-up stay in the same window. */
2442     if (!is_click)
2443 	jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2444 
2445     start_visual.lnum = 0;
2446 
2447 #ifdef FEAT_WINDOWS
2448     /* Check for clicking in the tab page line. */
2449     if (mouse_row == 0 && firstwin->w_winrow > 0)
2450     {
2451 	got_click = FALSE;	/* ignore mouse-up and drag events */
2452 
2453 	/* click in a tab selects that tab page */
2454 	if (is_click
2455 # ifdef FEAT_CMDWIN
2456 		&& cmdwin_type == 0
2457 # endif
2458 		&& mouse_col < Columns)
2459 	{
2460 	    c1 = TabPageIdxs[mouse_col];
2461 	    if (c1 >= 0)
2462 	    {
2463 		if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2464 		{
2465 		    /* double click opens new page */
2466 		    end_visual_mode();
2467 		    tabpage_new();
2468 		    tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2469 		}
2470 		else
2471 		{
2472 		    /* Go to specified tab page, or next one if not clicking
2473 		     * on a label. */
2474 		    goto_tabpage(c1);
2475 
2476 		    /* It's like clicking on the status line of a window. */
2477 		    if (curwin != old_curwin)
2478 			end_visual_mode();
2479 		}
2480 	    }
2481 	    else if (c1 < 0)
2482 	    {
2483 		tabpage_T	*tp;
2484 
2485 		/* Close the current or specified tab page. */
2486 		if (c1 == -999)
2487 		    tp = curtab;
2488 		else
2489 		    tp = find_tabpage(-c1);
2490 		if (tp == curtab)
2491 		{
2492 		    if (first_tabpage->tp_next != NULL)
2493 			tabpage_close(FALSE);
2494 		}
2495 		else if (tp != NULL)
2496 		    tabpage_close_other(tp, FALSE);
2497 	    }
2498 	}
2499 	return TRUE;
2500     }
2501 #endif
2502 
2503     /*
2504      * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2505      * right button up   -> pop-up menu
2506      * shift-left button -> right button
2507      * alt-left button   -> alt-right button
2508      */
2509     if (mouse_model_popup())
2510     {
2511 	if (which_button == MOUSE_RIGHT
2512 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2513 	{
2514 	    /*
2515 	     * NOTE: Ignore right button down and drag mouse events.
2516 	     * Windows only shows the popup menu on the button up event.
2517 	     */
2518 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2519 			  || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2520 	    if (!is_click)
2521 		return FALSE;
2522 #endif
2523 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2524 	    if (is_click || is_drag)
2525 		return FALSE;
2526 #endif
2527 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2528 	    || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2529 	    || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2530 	    if (gui.in_use)
2531 	    {
2532 		jump_flags = 0;
2533 		if (STRCMP(p_mousem, "popup_setpos") == 0)
2534 		{
2535 		    /* First set the cursor position before showing the popup
2536 		     * menu. */
2537 #ifdef FEAT_VISUAL
2538 		    if (VIsual_active)
2539 		    {
2540 			pos_T    m_pos;
2541 
2542 			/*
2543 			 * set MOUSE_MAY_STOP_VIS if we are outside the
2544 			 * selection or the current window (might have false
2545 			 * negative here)
2546 			 */
2547 			if (mouse_row < W_WINROW(curwin)
2548 			     || mouse_row
2549 				      > (W_WINROW(curwin) + curwin->w_height))
2550 			    jump_flags = MOUSE_MAY_STOP_VIS;
2551 			else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2552 			    jump_flags = MOUSE_MAY_STOP_VIS;
2553 			else
2554 			{
2555 			    if ((lt(curwin->w_cursor, VIsual)
2556 					&& (lt(m_pos, curwin->w_cursor)
2557 					    || lt(VIsual, m_pos)))
2558 				    || (lt(VIsual, curwin->w_cursor)
2559 					&& (lt(m_pos, VIsual)
2560 					    || lt(curwin->w_cursor, m_pos))))
2561 			    {
2562 				jump_flags = MOUSE_MAY_STOP_VIS;
2563 			    }
2564 			    else if (VIsual_mode == Ctrl_V)
2565 			    {
2566 				getvcols(curwin, &curwin->w_cursor, &VIsual,
2567 							 &leftcol, &rightcol);
2568 				getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2569 				if (m_pos.col < leftcol || m_pos.col > rightcol)
2570 				    jump_flags = MOUSE_MAY_STOP_VIS;
2571 			    }
2572 			}
2573 		    }
2574 		    else
2575 			jump_flags = MOUSE_MAY_STOP_VIS;
2576 #endif
2577 		}
2578 		if (jump_flags)
2579 		{
2580 		    jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2581 		    update_curbuf(
2582 #ifdef FEAT_VISUAL
2583 			    VIsual_active ? INVERTED :
2584 #endif
2585 			    VALID);
2586 		    setcursor();
2587 		    out_flush();    /* Update before showing popup menu */
2588 		}
2589 # ifdef FEAT_MENU
2590 		gui_show_popupmenu();
2591 # endif
2592 		return (jump_flags & CURSOR_MOVED) != 0;
2593 	    }
2594 	    else
2595 		return FALSE;
2596 #else
2597 	    return FALSE;
2598 #endif
2599 	}
2600 	if (which_button == MOUSE_LEFT
2601 				&& (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2602 	{
2603 	    which_button = MOUSE_RIGHT;
2604 	    mod_mask &= ~MOD_MASK_SHIFT;
2605 	}
2606     }
2607 
2608 #ifdef FEAT_VISUAL
2609     if ((State & (NORMAL | INSERT))
2610 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2611     {
2612 	if (which_button == MOUSE_LEFT)
2613 	{
2614 	    if (is_click)
2615 	    {
2616 		/* stop Visual mode for a left click in a window, but not when
2617 		 * on a status line */
2618 		if (VIsual_active)
2619 		    jump_flags |= MOUSE_MAY_STOP_VIS;
2620 	    }
2621 	    else if (mouse_has(MOUSE_VISUAL))
2622 		jump_flags |= MOUSE_MAY_VIS;
2623 	}
2624 	else if (which_button == MOUSE_RIGHT)
2625 	{
2626 	    if (is_click && VIsual_active)
2627 	    {
2628 		/*
2629 		 * Remember the start and end of visual before moving the
2630 		 * cursor.
2631 		 */
2632 		if (lt(curwin->w_cursor, VIsual))
2633 		{
2634 		    start_visual = curwin->w_cursor;
2635 		    end_visual = VIsual;
2636 		}
2637 		else
2638 		{
2639 		    start_visual = VIsual;
2640 		    end_visual = curwin->w_cursor;
2641 		}
2642 	    }
2643 	    jump_flags |= MOUSE_FOCUS;
2644 	    if (mouse_has(MOUSE_VISUAL))
2645 		jump_flags |= MOUSE_MAY_VIS;
2646 	}
2647     }
2648 #endif
2649 
2650     /*
2651      * If an operator is pending, ignore all drags and releases until the
2652      * next mouse click.
2653      */
2654     if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2655     {
2656 	got_click = FALSE;
2657 	oap->motion_type = MCHAR;
2658     }
2659 
2660     /* When releasing the button let jump_to_mouse() know. */
2661     if (!is_click && !is_drag)
2662 	jump_flags |= MOUSE_RELEASED;
2663 
2664     /*
2665      * JUMP!
2666      */
2667     jump_flags = jump_to_mouse(jump_flags,
2668 			oap == NULL ? NULL : &(oap->inclusive), which_button);
2669     moved = (jump_flags & CURSOR_MOVED);
2670     in_status_line = (jump_flags & IN_STATUS_LINE);
2671 #ifdef FEAT_VERTSPLIT
2672     in_sep_line = (jump_flags & IN_SEP_LINE);
2673 #endif
2674 
2675 #ifdef FEAT_NETBEANS_INTG
2676     if (usingNetbeans && isNetbeansBuffer(curbuf)
2677 			    && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2678     {
2679 	int key = KEY2TERMCAP1(c);
2680 
2681 	if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2682 					       || key == (int)KE_RIGHTRELEASE)
2683 	    netbeans_button_release(which_button);
2684     }
2685 #endif
2686 
2687     /* When jumping to another window, clear a pending operator.  That's a bit
2688      * friendlier than beeping and not jumping to that window. */
2689     if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2690 	clearop(oap);
2691 
2692 #ifdef FEAT_FOLDING
2693     if (mod_mask == 0
2694 	    && !is_drag
2695 	    && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2696 	    && which_button == MOUSE_LEFT)
2697     {
2698 	/* open or close a fold at this line */
2699 	if (jump_flags & MOUSE_FOLD_OPEN)
2700 	    openFold(curwin->w_cursor.lnum, 1L);
2701 	else
2702 	    closeFold(curwin->w_cursor.lnum, 1L);
2703 	/* don't move the cursor if still in the same window */
2704 	if (curwin == old_curwin)
2705 	    curwin->w_cursor = save_cursor;
2706     }
2707 #endif
2708 
2709 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2710     if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2711     {
2712 	clip_modeless(which_button, is_click, is_drag);
2713 	return FALSE;
2714     }
2715 #endif
2716 
2717 #ifdef FEAT_VISUAL
2718     /* Set global flag that we are extending the Visual area with mouse
2719      * dragging; temporarily minimize 'scrolloff'. */
2720     if (VIsual_active && is_drag && p_so)
2721     {
2722 	/* In the very first line, allow scrolling one line */
2723 	if (mouse_row == 0)
2724 	    mouse_dragging = 2;
2725 	else
2726 	    mouse_dragging = 1;
2727     }
2728 
2729     /* When dragging the mouse above the window, scroll down. */
2730     if (is_drag && mouse_row < 0 && !in_status_line)
2731     {
2732 	scroll_redraw(FALSE, 1L);
2733 	mouse_row = 0;
2734     }
2735 
2736     if (start_visual.lnum)		/* right click in visual mode */
2737     {
2738        /* When ALT is pressed make Visual mode blockwise. */
2739        if (mod_mask & MOD_MASK_ALT)
2740 	   VIsual_mode = Ctrl_V;
2741 
2742 	/*
2743 	 * In Visual-block mode, divide the area in four, pick up the corner
2744 	 * that is in the quarter that the cursor is in.
2745 	 */
2746 	if (VIsual_mode == Ctrl_V)
2747 	{
2748 	    getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2749 	    if (curwin->w_curswant > (leftcol + rightcol) / 2)
2750 		end_visual.col = leftcol;
2751 	    else
2752 		end_visual.col = rightcol;
2753 	    if (curwin->w_cursor.lnum <
2754 				    (start_visual.lnum + end_visual.lnum) / 2)
2755 		end_visual.lnum = end_visual.lnum;
2756 	    else
2757 		end_visual.lnum = start_visual.lnum;
2758 
2759 	    /* move VIsual to the right column */
2760 	    start_visual = curwin->w_cursor;	    /* save the cursor pos */
2761 	    curwin->w_cursor = end_visual;
2762 	    coladvance(end_visual.col);
2763 	    VIsual = curwin->w_cursor;
2764 	    curwin->w_cursor = start_visual;	    /* restore the cursor */
2765 	}
2766 	else
2767 	{
2768 	    /*
2769 	     * If the click is before the start of visual, change the start.
2770 	     * If the click is after the end of visual, change the end.  If
2771 	     * the click is inside the visual, change the closest side.
2772 	     */
2773 	    if (lt(curwin->w_cursor, start_visual))
2774 		VIsual = end_visual;
2775 	    else if (lt(end_visual, curwin->w_cursor))
2776 		VIsual = start_visual;
2777 	    else
2778 	    {
2779 		/* In the same line, compare column number */
2780 		if (end_visual.lnum == start_visual.lnum)
2781 		{
2782 		    if (curwin->w_cursor.col - start_visual.col >
2783 				    end_visual.col - curwin->w_cursor.col)
2784 			VIsual = start_visual;
2785 		    else
2786 			VIsual = end_visual;
2787 		}
2788 
2789 		/* In different lines, compare line number */
2790 		else
2791 		{
2792 		    diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2793 				(end_visual.lnum - curwin->w_cursor.lnum);
2794 
2795 		    if (diff > 0)		/* closest to end */
2796 			VIsual = start_visual;
2797 		    else if (diff < 0)	/* closest to start */
2798 			VIsual = end_visual;
2799 		    else			/* in the middle line */
2800 		    {
2801 			if (curwin->w_cursor.col <
2802 					(start_visual.col + end_visual.col) / 2)
2803 			    VIsual = end_visual;
2804 			else
2805 			    VIsual = start_visual;
2806 		    }
2807 		}
2808 	    }
2809 	}
2810     }
2811     /*
2812      * If Visual mode started in insert mode, execute "CTRL-O"
2813      */
2814     else if ((State & INSERT) && VIsual_active)
2815 	stuffcharReadbuff(Ctrl_O);
2816 #endif
2817 
2818     /*
2819      * Middle mouse click: Put text before cursor.
2820      */
2821     if (which_button == MOUSE_MIDDLE)
2822     {
2823 #ifdef FEAT_CLIPBOARD
2824 	if (clip_star.available && regname == 0)
2825 	    regname = '*';
2826 #endif
2827 	if (yank_register_mline(regname))
2828 	{
2829 	    if (mouse_past_bottom)
2830 		dir = FORWARD;
2831 	}
2832 	else if (mouse_past_eol)
2833 	    dir = FORWARD;
2834 
2835 	if (fixindent)
2836 	{
2837 	    c1 = (dir == BACKWARD) ? '[' : ']';
2838 	    c2 = 'p';
2839 	}
2840 	else
2841 	{
2842 	    c1 = (dir == FORWARD) ? 'p' : 'P';
2843 	    c2 = NUL;
2844 	}
2845 	prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2846 
2847 	/*
2848 	 * Remember where the paste started, so in edit() Insstart can be set
2849 	 * to this position
2850 	 */
2851 	if (restart_edit != 0)
2852 	    where_paste_started = curwin->w_cursor;
2853 	do_put(regname, dir, count, fixindent | PUT_CURSEND);
2854     }
2855 
2856 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2857     /*
2858      * Ctrl-Mouse click or double click in a quickfix window jumps to the
2859      * error under the mouse pointer.
2860      */
2861     else if (((mod_mask & MOD_MASK_CTRL)
2862 		|| (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2863 	    && bt_quickfix(curbuf))
2864     {
2865 	if (State & INSERT)
2866 	    stuffcharReadbuff(Ctrl_O);
2867 	if (curwin->w_llist_ref == NULL)	/* quickfix window */
2868 	    stuffReadbuff((char_u *)":.cc\n");
2869 	else					/* location list window */
2870 	    stuffReadbuff((char_u *)":.ll\n");
2871 	got_click = FALSE;		/* ignore drag&release now */
2872     }
2873 #endif
2874 
2875     /*
2876      * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2877      * under the mouse pointer.
2878      */
2879     else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2880 		     && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2881     {
2882 	if (State & INSERT)
2883 	    stuffcharReadbuff(Ctrl_O);
2884 	stuffcharReadbuff(Ctrl_RSB);
2885 	got_click = FALSE;		/* ignore drag&release now */
2886     }
2887 
2888     /*
2889      * Shift-Mouse click searches for the next occurrence of the word under
2890      * the mouse pointer
2891      */
2892     else if ((mod_mask & MOD_MASK_SHIFT))
2893     {
2894 	if (State & INSERT
2895 #ifdef FEAT_VISUAL
2896 		|| (VIsual_active && VIsual_select)
2897 #endif
2898 		)
2899 	    stuffcharReadbuff(Ctrl_O);
2900 	if (which_button == MOUSE_LEFT)
2901 	    stuffcharReadbuff('*');
2902 	else	/* MOUSE_RIGHT */
2903 	    stuffcharReadbuff('#');
2904     }
2905 
2906     /* Handle double clicks, unless on status line */
2907     else if (in_status_line)
2908     {
2909 #ifdef FEAT_MOUSESHAPE
2910 	if ((is_drag || is_click) && !drag_status_line)
2911 	{
2912 	    drag_status_line = TRUE;
2913 	    update_mouseshape(-1);
2914 	}
2915 #endif
2916     }
2917 #ifdef FEAT_VERTSPLIT
2918     else if (in_sep_line)
2919     {
2920 # ifdef FEAT_MOUSESHAPE
2921 	if ((is_drag || is_click) && !drag_sep_line)
2922 	{
2923 	    drag_sep_line = TRUE;
2924 	    update_mouseshape(-1);
2925 	}
2926 # endif
2927     }
2928 #endif
2929 #ifdef FEAT_VISUAL
2930     else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2931 	     && mouse_has(MOUSE_VISUAL))
2932     {
2933 	if (is_click || !VIsual_active)
2934 	{
2935 	    if (VIsual_active)
2936 		orig_cursor = VIsual;
2937 	    else
2938 	    {
2939 		check_visual_highlight();
2940 		VIsual = curwin->w_cursor;
2941 		orig_cursor = VIsual;
2942 		VIsual_active = TRUE;
2943 		VIsual_reselect = TRUE;
2944 		/* start Select mode if 'selectmode' contains "mouse" */
2945 		may_start_select('o');
2946 		setmouse();
2947 	    }
2948 	    if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2949 	    {
2950 		/* Double click with ALT pressed makes it blockwise. */
2951 		if (mod_mask & MOD_MASK_ALT)
2952 		    VIsual_mode = Ctrl_V;
2953 		else
2954 		    VIsual_mode = 'v';
2955 	    }
2956 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
2957 		VIsual_mode = 'V';
2958 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
2959 		VIsual_mode = Ctrl_V;
2960 #ifdef FEAT_CLIPBOARD
2961 	    /* Make sure the clipboard gets updated.  Needed because start and
2962 	     * end may still be the same, and the selection needs to be owned */
2963 	    clip_star.vmode = NUL;
2964 #endif
2965 	}
2966 	/*
2967 	 * A double click selects a word or a block.
2968 	 */
2969 	if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2970 	{
2971 	    pos_T	*pos = NULL;
2972 	    int		gc;
2973 
2974 	    if (is_click)
2975 	    {
2976 		/* If the character under the cursor (skipping white space) is
2977 		 * not a word character, try finding a match and select a (),
2978 		 * {}, [], #if/#endif, etc. block. */
2979 		end_visual = curwin->w_cursor;
2980 		while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
2981 		    inc(&end_visual);
2982 		if (oap != NULL)
2983 		    oap->motion_type = MCHAR;
2984 		if (oap != NULL
2985 			&& VIsual_mode == 'v'
2986 			&& !vim_iswordc(gchar_pos(&end_visual))
2987 			&& equalpos(curwin->w_cursor, VIsual)
2988 			&& (pos = findmatch(oap, NUL)) != NULL)
2989 		{
2990 		    curwin->w_cursor = *pos;
2991 		    if (oap->motion_type == MLINE)
2992 			VIsual_mode = 'V';
2993 		    else if (*p_sel == 'e')
2994 		    {
2995 			if (lt(curwin->w_cursor, VIsual))
2996 			    ++VIsual.col;
2997 			else
2998 			    ++curwin->w_cursor.col;
2999 		    }
3000 		}
3001 	    }
3002 
3003 	    if (pos == NULL && (is_click || is_drag))
3004 	    {
3005 		/* When not found a match or when dragging: extend to include
3006 		 * a word. */
3007 		if (lt(curwin->w_cursor, orig_cursor))
3008 		{
3009 		    find_start_of_word(&curwin->w_cursor);
3010 		    find_end_of_word(&VIsual);
3011 		}
3012 		else
3013 		{
3014 		    find_start_of_word(&VIsual);
3015 		    if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3016 #ifdef FEAT_MBYTE
3017 			curwin->w_cursor.col +=
3018 					 (*mb_ptr2len)(ml_get_cursor());
3019 #else
3020 			++curwin->w_cursor.col;
3021 #endif
3022 		    find_end_of_word(&curwin->w_cursor);
3023 		}
3024 	    }
3025 	    curwin->w_set_curswant = TRUE;
3026 	}
3027 	if (is_click)
3028 	    redraw_curbuf_later(INVERTED);	/* update the inversion */
3029     }
3030     else if (VIsual_active && !old_active)
3031     {
3032 	if (mod_mask & MOD_MASK_ALT)
3033 	    VIsual_mode = Ctrl_V;
3034 	else
3035 	    VIsual_mode = 'v';
3036     }
3037 
3038     /* If Visual mode changed show it later. */
3039     if ((!VIsual_active && old_active && mode_displayed)
3040 	    || (VIsual_active && p_smd && msg_silent == 0
3041 				 && (!old_active || VIsual_mode != old_mode)))
3042 	redraw_cmdline = TRUE;
3043 #endif
3044 
3045     return moved;
3046 }
3047 
3048 #ifdef FEAT_VISUAL
3049 /*
3050  * Move "pos" back to the start of the word it's in.
3051  */
3052     static void
3053 find_start_of_word(pos)
3054     pos_T	*pos;
3055 {
3056     char_u	*line;
3057     int		cclass;
3058     int		col;
3059 
3060     line = ml_get(pos->lnum);
3061     cclass = get_mouse_class(line + pos->col);
3062 
3063     while (pos->col > 0)
3064     {
3065 	col = pos->col - 1;
3066 #ifdef FEAT_MBYTE
3067 	col -= (*mb_head_off)(line, line + col);
3068 #endif
3069 	if (get_mouse_class(line + col) != cclass)
3070 	    break;
3071 	pos->col = col;
3072     }
3073 }
3074 
3075 /*
3076  * Move "pos" forward to the end of the word it's in.
3077  * When 'selection' is "exclusive", the position is just after the word.
3078  */
3079     static void
3080 find_end_of_word(pos)
3081     pos_T	*pos;
3082 {
3083     char_u	*line;
3084     int		cclass;
3085     int		col;
3086 
3087     line = ml_get(pos->lnum);
3088     if (*p_sel == 'e' && pos->col > 0)
3089     {
3090 	--pos->col;
3091 #ifdef FEAT_MBYTE
3092 	pos->col -= (*mb_head_off)(line, line + pos->col);
3093 #endif
3094     }
3095     cclass = get_mouse_class(line + pos->col);
3096     while (line[pos->col] != NUL)
3097     {
3098 #ifdef FEAT_MBYTE
3099 	col = pos->col + (*mb_ptr2len)(line + pos->col);
3100 #else
3101 	col = pos->col + 1;
3102 #endif
3103 	if (get_mouse_class(line + col) != cclass)
3104 	{
3105 	    if (*p_sel == 'e')
3106 		pos->col = col;
3107 	    break;
3108 	}
3109 	pos->col = col;
3110     }
3111 }
3112 
3113 /*
3114  * Get class of a character for selection: same class means same word.
3115  * 0: blank
3116  * 1: punctuation groups
3117  * 2: normal word character
3118  * >2: multi-byte word character.
3119  */
3120     static int
3121 get_mouse_class(p)
3122     char_u	*p;
3123 {
3124     int		c;
3125 
3126 #ifdef FEAT_MBYTE
3127     if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3128 	return mb_get_class(p);
3129 #endif
3130 
3131     c = *p;
3132     if (c == ' ' || c == '\t')
3133 	return 0;
3134 
3135     if (vim_iswordc(c))
3136 	return 2;
3137 
3138     /*
3139      * There are a few special cases where we want certain combinations of
3140      * characters to be considered as a single word.  These are things like
3141      * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc.  Otherwise, each
3142      * character is in it's own class.
3143      */
3144     if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3145 	return 1;
3146     return c;
3147 }
3148 #endif /* FEAT_VISUAL */
3149 #endif /* FEAT_MOUSE */
3150 
3151 #if defined(FEAT_VISUAL) || defined(PROTO)
3152 /*
3153  * Check if  highlighting for visual mode is possible, give a warning message
3154  * if not.
3155  */
3156     void
3157 check_visual_highlight()
3158 {
3159     static int	    did_check = FALSE;
3160 
3161     if (full_screen)
3162     {
3163 	if (!did_check && hl_attr(HLF_V) == 0)
3164 	    MSG(_("Warning: terminal cannot highlight"));
3165 	did_check = TRUE;
3166     }
3167 }
3168 
3169 /*
3170  * End Visual mode.
3171  * This function should ALWAYS be called to end Visual mode, except from
3172  * do_pending_operator().
3173  */
3174     void
3175 end_visual_mode()
3176 {
3177 #ifdef FEAT_CLIPBOARD
3178     /*
3179      * If we are using the clipboard, then remember what was selected in case
3180      * we need to paste it somewhere while we still own the selection.
3181      * Only do this when the clipboard is already owned.  Don't want to grab
3182      * the selection when hitting ESC.
3183      */
3184     if (clip_star.available && clip_star.owned)
3185 	clip_auto_select();
3186 #endif
3187 
3188     VIsual_active = FALSE;
3189 #ifdef FEAT_MOUSE
3190     setmouse();
3191     mouse_dragging = 0;
3192 #endif
3193 
3194     /* Save the current VIsual area for '< and '> marks, and "gv" */
3195     curbuf->b_visual.vi_mode = VIsual_mode;
3196     curbuf->b_visual.vi_start = VIsual;
3197     curbuf->b_visual.vi_end = curwin->w_cursor;
3198     curbuf->b_visual.vi_curswant = curwin->w_curswant;
3199 #ifdef FEAT_EVAL
3200     curbuf->b_visual_mode_eval = VIsual_mode;
3201 #endif
3202 #ifdef FEAT_VIRTUALEDIT
3203     if (!virtual_active())
3204 	curwin->w_cursor.coladd = 0;
3205 #endif
3206 
3207     if (mode_displayed)
3208 	clear_cmdline = TRUE;		/* unshow visual mode later */
3209 #ifdef FEAT_CMDL_INFO
3210     else
3211 	clear_showcmd();
3212 #endif
3213 
3214     adjust_cursor_eol();
3215 }
3216 
3217 /*
3218  * Reset VIsual_active and VIsual_reselect.
3219  */
3220     void
3221 reset_VIsual_and_resel()
3222 {
3223     if (VIsual_active)
3224     {
3225 	end_visual_mode();
3226 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3227     }
3228     VIsual_reselect = FALSE;
3229 }
3230 
3231 /*
3232  * Reset VIsual_active and VIsual_reselect if it's set.
3233  */
3234     void
3235 reset_VIsual()
3236 {
3237     if (VIsual_active)
3238     {
3239 	end_visual_mode();
3240 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3241 	VIsual_reselect = FALSE;
3242     }
3243 }
3244 #endif /* FEAT_VISUAL */
3245 
3246 #if defined(FEAT_BEVAL)
3247 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3248 
3249 /*
3250  * Check for a balloon-eval special item to include when searching for an
3251  * identifier.  When "dir" is BACKWARD "ptr[-1]" must be valid!
3252  * Returns TRUE if the character at "*ptr" should be included.
3253  * "dir" is FORWARD or BACKWARD, the direction of searching.
3254  * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3255  * "bnp" points to a counter for square brackets.
3256  */
3257     static int
3258 find_is_eval_item(ptr, colp, bnp, dir)
3259     char_u	*ptr;
3260     int		*colp;
3261     int		*bnp;
3262     int		dir;
3263 {
3264     /* Accept everything inside []. */
3265     if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3266 	++*bnp;
3267     if (*bnp > 0)
3268     {
3269 	if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3270 	    --*bnp;
3271 	return TRUE;
3272     }
3273 
3274     /* skip over "s.var" */
3275     if (*ptr == '.')
3276 	return TRUE;
3277 
3278     /* two-character item: s->var */
3279     if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3280 	    && ptr[dir == BACKWARD ? -1 : 0] == '-')
3281     {
3282 	*colp += dir;
3283 	return TRUE;
3284     }
3285     return FALSE;
3286 }
3287 #endif
3288 
3289 /*
3290  * Find the identifier under or to the right of the cursor.
3291  * "find_type" can have one of three values:
3292  * FIND_IDENT:   find an identifier (keyword)
3293  * FIND_STRING:  find any non-white string
3294  * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3295  * FIND_EVAL:	 find text useful for C program debugging
3296  *
3297  * There are three steps:
3298  * 1. Search forward for the start of an identifier/string.  Doesn't move if
3299  *    already on one.
3300  * 2. Search backward for the start of this identifier/string.
3301  *    This doesn't match the real Vi but I like it a little better and it
3302  *    shouldn't bother anyone.
3303  * 3. Search forward to the end of this identifier/string.
3304  *    When FIND_IDENT isn't defined, we backup until a blank.
3305  *
3306  * Returns the length of the string, or zero if no string is found.
3307  * If a string is found, a pointer to the string is put in "*string".  This
3308  * string is not always NUL terminated.
3309  */
3310     int
3311 find_ident_under_cursor(string, find_type)
3312     char_u	**string;
3313     int		find_type;
3314 {
3315     return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3316 				     curwin->w_cursor.col, string, find_type);
3317 }
3318 
3319 /*
3320  * Like find_ident_under_cursor(), but for any window and any position.
3321  * However: Uses 'iskeyword' from the current window!.
3322  */
3323     int
3324 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3325     win_T	*wp;
3326     linenr_T	lnum;
3327     colnr_T	startcol;
3328     char_u	**string;
3329     int		find_type;
3330 {
3331     char_u	*ptr;
3332     int		col = 0;	    /* init to shut up GCC */
3333     int		i;
3334 #ifdef FEAT_MBYTE
3335     int		this_class = 0;
3336     int		prev_class;
3337     int		prevcol;
3338 #endif
3339 #if defined(FEAT_BEVAL)
3340     int		bn = 0;	    /* bracket nesting */
3341 #endif
3342 
3343     /*
3344      * if i == 0: try to find an identifier
3345      * if i == 1: try to find any non-white string
3346      */
3347     ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3348     for (i = (find_type & FIND_IDENT) ? 0 : 1;	i < 2; ++i)
3349     {
3350 	/*
3351 	 * 1. skip to start of identifier/string
3352 	 */
3353 	col = startcol;
3354 #ifdef FEAT_MBYTE
3355 	if (has_mbyte)
3356 	{
3357 	    while (ptr[col] != NUL)
3358 	    {
3359 # if defined(FEAT_BEVAL)
3360 		/* Stop at a ']' to evaluate "a[x]". */
3361 		if ((find_type & FIND_EVAL) && ptr[col] == ']')
3362 		    break;
3363 # endif
3364 		this_class = mb_get_class(ptr + col);
3365 		if (this_class != 0 && (i == 1 || this_class != 1))
3366 		    break;
3367 		col += (*mb_ptr2len)(ptr + col);
3368 	    }
3369 	}
3370 	else
3371 #endif
3372 	    while (ptr[col] != NUL
3373 		    && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3374 # if defined(FEAT_BEVAL)
3375 		    && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3376 # endif
3377 		    )
3378 		++col;
3379 
3380 #if defined(FEAT_BEVAL)
3381 	/* When starting on a ']' count it, so that we include the '['. */
3382 	bn = ptr[col] == ']';
3383 #endif
3384 
3385 	/*
3386 	 * 2. Back up to start of identifier/string.
3387 	 */
3388 #ifdef FEAT_MBYTE
3389 	if (has_mbyte)
3390 	{
3391 	    /* Remember class of character under cursor. */
3392 # if defined(FEAT_BEVAL)
3393 	    if ((find_type & FIND_EVAL) && ptr[col] == ']')
3394 		this_class = mb_get_class((char_u *)"a");
3395 	    else
3396 # endif
3397 		this_class = mb_get_class(ptr + col);
3398 	    while (col > 0 && this_class != 0)
3399 	    {
3400 		prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3401 		prev_class = mb_get_class(ptr + prevcol);
3402 		if (this_class != prev_class
3403 			&& (i == 0
3404 			    || prev_class == 0
3405 			    || (find_type & FIND_IDENT))
3406 # if defined(FEAT_BEVAL)
3407 			&& (!(find_type & FIND_EVAL)
3408 			    || prevcol == 0
3409 			    || !find_is_eval_item(ptr + prevcol, &prevcol,
3410 							       &bn, BACKWARD))
3411 # endif
3412 			)
3413 		    break;
3414 		col = prevcol;
3415 	    }
3416 
3417 	    /* If we don't want just any old string, or we've found an
3418 	     * identifier, stop searching. */
3419 	    if (this_class > 2)
3420 		this_class = 2;
3421 	    if (!(find_type & FIND_STRING) || this_class == 2)
3422 		break;
3423 	}
3424 	else
3425 #endif
3426 	{
3427 	    while (col > 0
3428 		    && ((i == 0
3429 			    ? vim_iswordc(ptr[col - 1])
3430 			    : (!vim_iswhite(ptr[col - 1])
3431 				&& (!(find_type & FIND_IDENT)
3432 				    || !vim_iswordc(ptr[col - 1]))))
3433 #if defined(FEAT_BEVAL)
3434 			|| ((find_type & FIND_EVAL)
3435 			    && col > 1
3436 			    && find_is_eval_item(ptr + col - 1, &col,
3437 							       &bn, BACKWARD))
3438 #endif
3439 			))
3440 		--col;
3441 
3442 	    /* If we don't want just any old string, or we've found an
3443 	     * identifier, stop searching. */
3444 	    if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3445 		break;
3446 	}
3447     }
3448 
3449     if (ptr[col] == NUL || (i == 0 && (
3450 #ifdef FEAT_MBYTE
3451 		has_mbyte ? this_class != 2 :
3452 #endif
3453 		!vim_iswordc(ptr[col]))))
3454     {
3455 	/*
3456 	 * didn't find an identifier or string
3457 	 */
3458 	if (find_type & FIND_STRING)
3459 	    EMSG(_("E348: No string under cursor"));
3460 	else
3461 	    EMSG(_("E349: No identifier under cursor"));
3462 	return 0;
3463     }
3464     ptr += col;
3465     *string = ptr;
3466 
3467     /*
3468      * 3. Find the end if the identifier/string.
3469      */
3470 #if defined(FEAT_BEVAL)
3471     bn = 0;
3472     startcol -= col;
3473 #endif
3474     col = 0;
3475 #ifdef FEAT_MBYTE
3476     if (has_mbyte)
3477     {
3478 	/* Search for point of changing multibyte character class. */
3479 	this_class = mb_get_class(ptr);
3480 	while (ptr[col] != NUL
3481 		&& ((i == 0 ? mb_get_class(ptr + col) == this_class
3482 			    : mb_get_class(ptr + col) != 0)
3483 # if defined(FEAT_BEVAL)
3484 		    || ((find_type & FIND_EVAL)
3485 			&& col <= (int)startcol
3486 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3487 # endif
3488 		))
3489 	    col += (*mb_ptr2len)(ptr + col);
3490     }
3491     else
3492 #endif
3493 	while ((i == 0 ? vim_iswordc(ptr[col])
3494 		       : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3495 # if defined(FEAT_BEVAL)
3496 		    || ((find_type & FIND_EVAL)
3497 			&& col <= (int)startcol
3498 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3499 # endif
3500 		)
3501 	{
3502 	    ++col;
3503 	}
3504 
3505     return col;
3506 }
3507 
3508 /*
3509  * Prepare for redo of a normal command.
3510  */
3511     static void
3512 prep_redo_cmd(cap)
3513     cmdarg_T  *cap;
3514 {
3515     prep_redo(cap->oap->regname, cap->count0,
3516 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3517 }
3518 
3519 /*
3520  * Prepare for redo of any command.
3521  * Note that only the last argument can be a multi-byte char.
3522  */
3523     static void
3524 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3525     int	    regname;
3526     long    num;
3527     int	    cmd1;
3528     int	    cmd2;
3529     int	    cmd3;
3530     int	    cmd4;
3531     int	    cmd5;
3532 {
3533     ResetRedobuff();
3534     if (regname != 0)	/* yank from specified buffer */
3535     {
3536 	AppendCharToRedobuff('"');
3537 	AppendCharToRedobuff(regname);
3538     }
3539     if (num)
3540 	AppendNumberToRedobuff(num);
3541 
3542     if (cmd1 != NUL)
3543 	AppendCharToRedobuff(cmd1);
3544     if (cmd2 != NUL)
3545 	AppendCharToRedobuff(cmd2);
3546     if (cmd3 != NUL)
3547 	AppendCharToRedobuff(cmd3);
3548     if (cmd4 != NUL)
3549 	AppendCharToRedobuff(cmd4);
3550     if (cmd5 != NUL)
3551 	AppendCharToRedobuff(cmd5);
3552 }
3553 
3554 /*
3555  * check for operator active and clear it
3556  *
3557  * return TRUE if operator was active
3558  */
3559     static int
3560 checkclearop(oap)
3561     oparg_T	*oap;
3562 {
3563     if (oap->op_type == OP_NOP)
3564 	return FALSE;
3565     clearopbeep(oap);
3566     return TRUE;
3567 }
3568 
3569 /*
3570  * Check for operator or Visual active.  Clear active operator.
3571  *
3572  * Return TRUE if operator or Visual was active.
3573  */
3574     static int
3575 checkclearopq(oap)
3576     oparg_T	*oap;
3577 {
3578     if (oap->op_type == OP_NOP
3579 #ifdef FEAT_VISUAL
3580 	    && !VIsual_active
3581 #endif
3582 	    )
3583 	return FALSE;
3584     clearopbeep(oap);
3585     return TRUE;
3586 }
3587 
3588     static void
3589 clearop(oap)
3590     oparg_T	*oap;
3591 {
3592     oap->op_type = OP_NOP;
3593     oap->regname = 0;
3594     oap->motion_force = NUL;
3595     oap->use_reg_one = FALSE;
3596 }
3597 
3598     static void
3599 clearopbeep(oap)
3600     oparg_T	*oap;
3601 {
3602     clearop(oap);
3603     beep_flush();
3604 }
3605 
3606 #ifdef FEAT_VISUAL
3607 /*
3608  * Remove the shift modifier from a special key.
3609  */
3610     static void
3611 unshift_special(cap)
3612     cmdarg_T	*cap;
3613 {
3614     switch (cap->cmdchar)
3615     {
3616 	case K_S_RIGHT:	cap->cmdchar = K_RIGHT; break;
3617 	case K_S_LEFT:	cap->cmdchar = K_LEFT; break;
3618 	case K_S_UP:	cap->cmdchar = K_UP; break;
3619 	case K_S_DOWN:	cap->cmdchar = K_DOWN; break;
3620 	case K_S_HOME:	cap->cmdchar = K_HOME; break;
3621 	case K_S_END:	cap->cmdchar = K_END; break;
3622     }
3623     cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3624 }
3625 #endif
3626 
3627 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3628 /*
3629  * Routines for displaying a partly typed command
3630  */
3631 
3632 #ifdef FEAT_VISUAL	/* need room for size of Visual area */
3633 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3634 #else
3635 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3636 #endif
3637 static char_u	showcmd_buf[SHOWCMD_BUFLEN];
3638 static char_u	old_showcmd_buf[SHOWCMD_BUFLEN];  /* For push_showcmd() */
3639 static int	showcmd_is_clear = TRUE;
3640 static int	showcmd_visual = FALSE;
3641 
3642 static void display_showcmd __ARGS((void));
3643 
3644     void
3645 clear_showcmd()
3646 {
3647     if (!p_sc)
3648 	return;
3649 
3650 #ifdef FEAT_VISUAL
3651     if (VIsual_active && !char_avail())
3652     {
3653 	int		i = lt(VIsual, curwin->w_cursor);
3654 	long		lines;
3655 	colnr_T		leftcol, rightcol;
3656 	linenr_T	top, bot;
3657 
3658 	/* Show the size of the Visual area. */
3659 	if (i)
3660 	{
3661 	    top = VIsual.lnum;
3662 	    bot = curwin->w_cursor.lnum;
3663 	}
3664 	else
3665 	{
3666 	    top = curwin->w_cursor.lnum;
3667 	    bot = VIsual.lnum;
3668 	}
3669 # ifdef FEAT_FOLDING
3670 	/* Include closed folds as a whole. */
3671 	hasFolding(top, &top, NULL);
3672 	hasFolding(bot, NULL, &bot);
3673 # endif
3674 	lines = bot - top + 1;
3675 
3676 	if (VIsual_mode == Ctrl_V)
3677 	{
3678 	    getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3679 	    sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3680 					      (long)(rightcol - leftcol + 1));
3681 	}
3682 	else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3683 	    sprintf((char *)showcmd_buf, "%ld", lines);
3684 	else
3685 	    sprintf((char *)showcmd_buf, "%ld", (long)(i
3686 		    ? curwin->w_cursor.col - VIsual.col
3687 		    : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3688 	showcmd_buf[SHOWCMD_COLS] = NUL;	/* truncate */
3689 	showcmd_visual = TRUE;
3690     }
3691     else
3692 #endif
3693     {
3694 	showcmd_buf[0] = NUL;
3695 	showcmd_visual = FALSE;
3696 
3697 	/* Don't actually display something if there is nothing to clear. */
3698 	if (showcmd_is_clear)
3699 	    return;
3700     }
3701 
3702     display_showcmd();
3703 }
3704 
3705 /*
3706  * Add 'c' to string of shown command chars.
3707  * Return TRUE if output has been written (and setcursor() has been called).
3708  */
3709     int
3710 add_to_showcmd(c)
3711     int		c;
3712 {
3713     char_u	*p;
3714     int		old_len;
3715     int		extra_len;
3716     int		overflow;
3717 #if defined(FEAT_MOUSE)
3718     int		i;
3719     static int	ignore[] =
3720     {
3721 # ifdef FEAT_GUI
3722 	K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3723 	K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3724 # endif
3725 	K_IGNORE,
3726 	K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3727 	K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3728 	K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3729 	K_MOUSEDOWN, K_MOUSEUP,
3730 	K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3731 	K_CURSORHOLD,
3732 	0
3733     };
3734 #endif
3735 
3736     if (!p_sc || msg_silent != 0)
3737 	return FALSE;
3738 
3739     if (showcmd_visual)
3740     {
3741 	showcmd_buf[0] = NUL;
3742 	showcmd_visual = FALSE;
3743     }
3744 
3745 #if defined(FEAT_MOUSE)
3746     /* Ignore keys that are scrollbar updates and mouse clicks */
3747     if (IS_SPECIAL(c))
3748 	for (i = 0; ignore[i] != 0; ++i)
3749 	    if (ignore[i] == c)
3750 		return FALSE;
3751 #endif
3752 
3753     p = transchar(c);
3754     old_len = (int)STRLEN(showcmd_buf);
3755     extra_len = (int)STRLEN(p);
3756     overflow = old_len + extra_len - SHOWCMD_COLS;
3757     if (overflow > 0)
3758 	STRCPY(showcmd_buf, showcmd_buf + overflow);
3759     STRCAT(showcmd_buf, p);
3760 
3761     if (char_avail())
3762 	return FALSE;
3763 
3764     display_showcmd();
3765 
3766     return TRUE;
3767 }
3768 
3769     void
3770 add_to_showcmd_c(c)
3771     int		c;
3772 {
3773     if (!add_to_showcmd(c))
3774 	setcursor();
3775 }
3776 
3777 /*
3778  * Delete 'len' characters from the end of the shown command.
3779  */
3780     static void
3781 del_from_showcmd(len)
3782     int	    len;
3783 {
3784     int	    old_len;
3785 
3786     if (!p_sc)
3787 	return;
3788 
3789     old_len = (int)STRLEN(showcmd_buf);
3790     if (len > old_len)
3791 	len = old_len;
3792     showcmd_buf[old_len - len] = NUL;
3793 
3794     if (!char_avail())
3795 	display_showcmd();
3796 }
3797 
3798 /*
3799  * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3800  * something and there is a partial mapping.
3801  */
3802     void
3803 push_showcmd()
3804 {
3805     if (p_sc)
3806 	STRCPY(old_showcmd_buf, showcmd_buf);
3807 }
3808 
3809     void
3810 pop_showcmd()
3811 {
3812     if (!p_sc)
3813 	return;
3814 
3815     STRCPY(showcmd_buf, old_showcmd_buf);
3816 
3817     display_showcmd();
3818 }
3819 
3820     static void
3821 display_showcmd()
3822 {
3823     int	    len;
3824 
3825     cursor_off();
3826 
3827     len = (int)STRLEN(showcmd_buf);
3828     if (len == 0)
3829 	showcmd_is_clear = TRUE;
3830     else
3831     {
3832 	screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3833 	showcmd_is_clear = FALSE;
3834     }
3835 
3836     /*
3837      * clear the rest of an old message by outputting up to SHOWCMD_COLS
3838      * spaces
3839      */
3840     screen_puts((char_u *)"          " + len, (int)Rows - 1, sc_col + len, 0);
3841 
3842     setcursor();	    /* put cursor back where it belongs */
3843 }
3844 #endif
3845 
3846 #ifdef FEAT_SCROLLBIND
3847 /*
3848  * When "check" is FALSE, prepare for commands that scroll the window.
3849  * When "check" is TRUE, take care of scroll-binding after the window has
3850  * scrolled.  Called from normal_cmd() and edit().
3851  */
3852     void
3853 do_check_scrollbind(check)
3854     int		check;
3855 {
3856     static win_T	*old_curwin = NULL;
3857     static linenr_T	old_topline = 0;
3858 #ifdef FEAT_DIFF
3859     static int		old_topfill = 0;
3860 #endif
3861     static buf_T	*old_buf = NULL;
3862     static colnr_T	old_leftcol = 0;
3863 
3864     if (check && curwin->w_p_scb)
3865     {
3866 	/* If a ":syncbind" command was just used, don't scroll, only reset
3867 	 * the values. */
3868 	if (did_syncbind)
3869 	    did_syncbind = FALSE;
3870 	else if (curwin == old_curwin)
3871 	{
3872 	    /*
3873 	     * Synchronize other windows, as necessary according to
3874 	     * 'scrollbind'.  Don't do this after an ":edit" command, except
3875 	     * when 'diff' is set.
3876 	     */
3877 	    if ((curwin->w_buffer == old_buf
3878 #ifdef FEAT_DIFF
3879 			|| curwin->w_p_diff
3880 #endif
3881 		)
3882 		&& (curwin->w_topline != old_topline
3883 #ifdef FEAT_DIFF
3884 			|| curwin->w_topfill != old_topfill
3885 #endif
3886 			|| curwin->w_leftcol != old_leftcol))
3887 	    {
3888 		check_scrollbind(curwin->w_topline - old_topline,
3889 			(long)(curwin->w_leftcol - old_leftcol));
3890 	    }
3891 	}
3892 	else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3893 	{
3894 	    /*
3895 	     * When switching between windows, make sure that the relative
3896 	     * vertical offset is valid for the new window.  The relative
3897 	     * offset is invalid whenever another 'scrollbind' window has
3898 	     * scrolled to a point that would force the current window to
3899 	     * scroll past the beginning or end of its buffer.  When the
3900 	     * resync is performed, some of the other 'scrollbind' windows may
3901 	     * need to jump so that the current window's relative position is
3902 	     * visible on-screen.
3903 	     */
3904 	    check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3905 	}
3906 	curwin->w_scbind_pos = curwin->w_topline;
3907     }
3908 
3909     old_curwin = curwin;
3910     old_topline = curwin->w_topline;
3911 #ifdef FEAT_DIFF
3912     old_topfill = curwin->w_topfill;
3913 #endif
3914     old_buf = curwin->w_buffer;
3915     old_leftcol = curwin->w_leftcol;
3916 }
3917 
3918 /*
3919  * Synchronize any windows that have "scrollbind" set, based on the
3920  * number of rows by which the current window has changed
3921  * (1998-11-02 16:21:01  R. Edward Ralston <[email protected]>)
3922  */
3923     void
3924 check_scrollbind(topline_diff, leftcol_diff)
3925     linenr_T	topline_diff;
3926     long	leftcol_diff;
3927 {
3928     int		want_ver;
3929     int		want_hor;
3930     win_T	*old_curwin = curwin;
3931     buf_T	*old_curbuf = curbuf;
3932 #ifdef FEAT_VISUAL
3933     int		old_VIsual_select = VIsual_select;
3934     int		old_VIsual_active = VIsual_active;
3935 #endif
3936     colnr_T	tgt_leftcol = curwin->w_leftcol;
3937     long	topline;
3938     long	y;
3939 
3940     /*
3941      * check 'scrollopt' string for vertical and horizontal scroll options
3942      */
3943     want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
3944 #ifdef FEAT_DIFF
3945     want_ver |= old_curwin->w_p_diff;
3946 #endif
3947     want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
3948 
3949     /*
3950      * loop through the scrollbound windows and scroll accordingly
3951      */
3952 #ifdef FEAT_VISUAL
3953     VIsual_select = VIsual_active = 0;
3954 #endif
3955     for (curwin = firstwin; curwin; curwin = curwin->w_next)
3956     {
3957 	curbuf = curwin->w_buffer;
3958 	/* skip original window  and windows with 'noscrollbind' */
3959 	if (curwin != old_curwin && curwin->w_p_scb)
3960 	{
3961 	    /*
3962 	     * do the vertical scroll
3963 	     */
3964 	    if (want_ver)
3965 	    {
3966 #ifdef FEAT_DIFF
3967 		if (old_curwin->w_p_diff && curwin->w_p_diff)
3968 		{
3969 		    diff_set_topline(old_curwin, curwin);
3970 		}
3971 		else
3972 #endif
3973 		{
3974 		    curwin->w_scbind_pos += topline_diff;
3975 		    topline = curwin->w_scbind_pos;
3976 		    if (topline > curbuf->b_ml.ml_line_count)
3977 			topline = curbuf->b_ml.ml_line_count;
3978 		    if (topline < 1)
3979 			topline = 1;
3980 
3981 		    y = topline - curwin->w_topline;
3982 		    if (y > 0)
3983 			scrollup(y, FALSE);
3984 		    else
3985 			scrolldown(-y, FALSE);
3986 		}
3987 
3988 		redraw_later(VALID);
3989 		cursor_correct();
3990 #ifdef FEAT_WINDOWS
3991 		curwin->w_redr_status = TRUE;
3992 #endif
3993 	    }
3994 
3995 	    /*
3996 	     * do the horizontal scroll
3997 	     */
3998 	    if (want_hor && curwin->w_leftcol != tgt_leftcol)
3999 	    {
4000 		curwin->w_leftcol = tgt_leftcol;
4001 		leftcol_changed();
4002 	    }
4003 	}
4004     }
4005 
4006     /*
4007      * reset current-window
4008      */
4009 #ifdef FEAT_VISUAL
4010     VIsual_select = old_VIsual_select;
4011     VIsual_active = old_VIsual_active;
4012 #endif
4013     curwin = old_curwin;
4014     curbuf = old_curbuf;
4015 }
4016 #endif /* #ifdef FEAT_SCROLLBIND */
4017 
4018 /*
4019  * Command character that's ignored.
4020  * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4021  * xon/xoff
4022  */
4023     static void
4024 nv_ignore(cap)
4025     cmdarg_T	*cap;
4026 {
4027     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
4028 }
4029 
4030 /*
4031  * Command character that doesn't do anything, but unlike nv_ignore() does
4032  * start edit().  Used for "startinsert" executed while starting up.
4033  */
4034 /*ARGSUSED */
4035     static void
4036 nv_nop(cap)
4037     cmdarg_T	*cap;
4038 {
4039 }
4040 
4041 /*
4042  * Command character doesn't exist.
4043  */
4044     static void
4045 nv_error(cap)
4046     cmdarg_T	*cap;
4047 {
4048     clearopbeep(cap->oap);
4049 }
4050 
4051 /*
4052  * <Help> and <F1> commands.
4053  */
4054     static void
4055 nv_help(cap)
4056     cmdarg_T	*cap;
4057 {
4058     if (!checkclearopq(cap->oap))
4059 	ex_help(NULL);
4060 }
4061 
4062 /*
4063  * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4064  */
4065     static void
4066 nv_addsub(cap)
4067     cmdarg_T	*cap;
4068 {
4069     if (!checkclearopq(cap->oap)
4070 	    && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4071 	prep_redo_cmd(cap);
4072 }
4073 
4074 /*
4075  * CTRL-F, CTRL-B, etc: Scroll page up or down.
4076  */
4077     static void
4078 nv_page(cap)
4079     cmdarg_T	*cap;
4080 {
4081     if (!checkclearop(cap->oap))
4082     {
4083 #ifdef FEAT_WINDOWS
4084 	if (mod_mask & MOD_MASK_CTRL)
4085 	{
4086 	    /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4087 	    if (cap->arg == BACKWARD)
4088 		goto_tabpage(-(int)cap->count1);
4089 	    else
4090 		goto_tabpage((int)cap->count0);
4091 	}
4092 	else
4093 #endif
4094 	(void)onepage(cap->arg, cap->count1);
4095     }
4096 }
4097 
4098 /*
4099  * Implementation of "gd" and "gD" command.
4100  */
4101     static void
4102 nv_gd(oap, nchar, thisblock)
4103     oparg_T	*oap;
4104     int		nchar;
4105     int		thisblock;	/* 1 for "1gd" and "1gD" */
4106 {
4107     int		len;
4108     char_u	*ptr;
4109 
4110     if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4111 	    || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4112 	clearopbeep(oap);
4113 #ifdef FEAT_FOLDING
4114     else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4115 	foldOpenCursor();
4116 #endif
4117 }
4118 
4119 /*
4120  * Search for variable declaration of "ptr[len]".
4121  * When "locally" is TRUE in the current function ("gd"), otherwise in the
4122  * current file ("gD").
4123  * When "thisblock" is TRUE check the {} block scope.
4124  * Return FAIL when not found.
4125  */
4126     int
4127 find_decl(ptr, len, locally, thisblock, searchflags)
4128     char_u	*ptr;
4129     int		len;
4130     int		locally;
4131     int		thisblock;
4132     int		searchflags;	/* flags passed to searchit() */
4133 {
4134     char_u	*pat;
4135     pos_T	old_pos;
4136     pos_T	par_pos;
4137     pos_T	found_pos;
4138     int		t;
4139     int		save_p_ws;
4140     int		save_p_scs;
4141     int		retval = OK;
4142     int		incll;
4143 
4144     if ((pat = alloc(len + 7)) == NULL)
4145 	return FAIL;
4146 
4147     /* Put "\V" before the pattern to avoid that the special meaning of "."
4148      * and "~" causes trouble. */
4149     sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4150 								    len, ptr);
4151     old_pos = curwin->w_cursor;
4152     save_p_ws = p_ws;
4153     save_p_scs = p_scs;
4154     p_ws = FALSE;	/* don't wrap around end of file now */
4155     p_scs = FALSE;	/* don't switch ignorecase off now */
4156 
4157     /*
4158      * With "gD" go to line 1.
4159      * With "gd" Search back for the start of the current function, then go
4160      * back until a blank line.  If this fails go to line 1.
4161      */
4162     if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4163     {
4164 	setpcmark();			/* Set in findpar() otherwise */
4165 	curwin->w_cursor.lnum = 1;
4166 	par_pos = curwin->w_cursor;
4167     }
4168     else
4169     {
4170 	par_pos = curwin->w_cursor;
4171 	while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4172 	    --curwin->w_cursor.lnum;
4173     }
4174     curwin->w_cursor.col = 0;
4175 
4176     /* Search forward for the identifier, ignore comment lines. */
4177     clearpos(&found_pos);
4178     for (;;)
4179     {
4180 	t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4181 				  pat, 1L, searchflags, RE_LAST, (linenr_T)0);
4182 	if (curwin->w_cursor.lnum >= old_pos.lnum)
4183 	    t = FAIL;	/* match after start is failure too */
4184 
4185 	if (thisblock && t != FAIL)
4186 	{
4187 	    pos_T	*pos;
4188 
4189 	    /* Check that the block the match is in doesn't end before the
4190 	     * position where we started the search from. */
4191 	    if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4192 		     (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4193 		    && pos->lnum < old_pos.lnum)
4194 		continue;
4195 	}
4196 
4197 	if (t == FAIL)
4198 	{
4199 	    /* If we previously found a valid position, use it. */
4200 	    if (found_pos.lnum != 0)
4201 	    {
4202 		curwin->w_cursor = found_pos;
4203 		t = OK;
4204 	    }
4205 	    break;
4206 	}
4207 #ifdef FEAT_COMMENTS
4208 	if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4209 	{
4210 	    /* Ignore this line, continue at start of next line. */
4211 	    ++curwin->w_cursor.lnum;
4212 	    curwin->w_cursor.col = 0;
4213 	    continue;
4214 	}
4215 #endif
4216 	if (!locally)	/* global search: use first match found */
4217 	    break;
4218 	if (curwin->w_cursor.lnum >= par_pos.lnum)
4219 	{
4220 	    /* If we previously found a valid position, use it. */
4221 	    if (found_pos.lnum != 0)
4222 		curwin->w_cursor = found_pos;
4223 	    break;
4224 	}
4225 
4226 	/* For finding a local variable and the match is before the "{" search
4227 	 * to find a later match.  For K&R style function declarations this
4228 	 * skips the function header without types. */
4229 	found_pos = curwin->w_cursor;
4230     }
4231 
4232     if (t == FAIL)
4233     {
4234 	retval = FAIL;
4235 	curwin->w_cursor = old_pos;
4236     }
4237     else
4238     {
4239 	curwin->w_set_curswant = TRUE;
4240 	/* "n" searches forward now */
4241 	reset_search_dir();
4242     }
4243 
4244     vim_free(pat);
4245     p_ws = save_p_ws;
4246     p_scs = save_p_scs;
4247 
4248     return retval;
4249 }
4250 
4251 /*
4252  * Move 'dist' lines in direction 'dir', counting lines by *screen*
4253  * lines rather than lines in the file.
4254  * 'dist' must be positive.
4255  *
4256  * Return OK if able to move cursor, FAIL otherwise.
4257  */
4258     static int
4259 nv_screengo(oap, dir, dist)
4260     oparg_T	*oap;
4261     int		dir;
4262     long	dist;
4263 {
4264     int		linelen = linetabsize(ml_get_curline());
4265     int		retval = OK;
4266     int		atend = FALSE;
4267     int		n;
4268     int		col_off1;	/* margin offset for first screen line */
4269     int		col_off2;	/* margin offset for wrapped screen line */
4270     int		width1;		/* text width for first screen line */
4271     int		width2;		/* test width for wrapped screen line */
4272 
4273     oap->motion_type = MCHAR;
4274     oap->inclusive = FALSE;
4275 
4276     col_off1 = curwin_col_off();
4277     col_off2 = col_off1 - curwin_col_off2();
4278     width1 = W_WIDTH(curwin) - col_off1;
4279     width2 = W_WIDTH(curwin) - col_off2;
4280 
4281 #ifdef FEAT_VERTSPLIT
4282     if (curwin->w_width != 0)
4283     {
4284 #endif
4285       /*
4286        * Instead of sticking at the last character of the buffer line we
4287        * try to stick in the last column of the screen.
4288        */
4289       if (curwin->w_curswant == MAXCOL)
4290       {
4291 	atend = TRUE;
4292 	validate_virtcol();
4293 	if (width1 <= 0)
4294 	    curwin->w_curswant = 0;
4295 	else
4296 	{
4297 	    curwin->w_curswant = width1 - 1;
4298 	    if (curwin->w_virtcol > curwin->w_curswant)
4299 		curwin->w_curswant += ((curwin->w_virtcol
4300 			     - curwin->w_curswant - 1) / width2 + 1) * width2;
4301 	}
4302       }
4303       else
4304       {
4305 	if (linelen > width1)
4306 	    n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4307 	else
4308 	    n = width1;
4309 	if (curwin->w_curswant > (colnr_T)n + 1)
4310 	    curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4311 								     * width2;
4312       }
4313 
4314       while (dist--)
4315       {
4316 	if (dir == BACKWARD)
4317 	{
4318 	    if ((long)curwin->w_curswant >= width2)
4319 		/* move back within line */
4320 		curwin->w_curswant -= width2;
4321 	    else
4322 	    {
4323 		/* to previous line */
4324 		if (curwin->w_cursor.lnum == 1)
4325 		{
4326 		    retval = FAIL;
4327 		    break;
4328 		}
4329 		--curwin->w_cursor.lnum;
4330 #ifdef FEAT_FOLDING
4331 		/* Move to the start of a closed fold.  Don't do that when
4332 		 * 'foldopen' contains "all": it will open in a moment. */
4333 		if (!(fdo_flags & FDO_ALL))
4334 		    (void)hasFolding(curwin->w_cursor.lnum,
4335 						&curwin->w_cursor.lnum, NULL);
4336 #endif
4337 		linelen = linetabsize(ml_get_curline());
4338 		if (linelen > width1)
4339 		    curwin->w_curswant += (((linelen - width1 - 1) / width2)
4340 								+ 1) * width2;
4341 	    }
4342 	}
4343 	else /* dir == FORWARD */
4344 	{
4345 	    if (linelen > width1)
4346 		n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4347 	    else
4348 		n = width1;
4349 	    if (curwin->w_curswant + width2 < (colnr_T)n)
4350 		/* move forward within line */
4351 		curwin->w_curswant += width2;
4352 	    else
4353 	    {
4354 		/* to next line */
4355 #ifdef FEAT_FOLDING
4356 		/* Move to the end of a closed fold. */
4357 		(void)hasFolding(curwin->w_cursor.lnum, NULL,
4358 						      &curwin->w_cursor.lnum);
4359 #endif
4360 		if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4361 		{
4362 		    retval = FAIL;
4363 		    break;
4364 		}
4365 		curwin->w_cursor.lnum++;
4366 		curwin->w_curswant %= width2;
4367 	    }
4368 	}
4369       }
4370 #ifdef FEAT_VERTSPLIT
4371     }
4372 #endif
4373 
4374     coladvance(curwin->w_curswant);
4375 
4376 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4377     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4378     {
4379 	/*
4380 	 * Check for landing on a character that got split at the end of the
4381 	 * last line.  We want to advance a screenline, not end up in the same
4382 	 * screenline or move two screenlines.
4383 	 */
4384 	validate_virtcol();
4385 	if (curwin->w_virtcol > curwin->w_curswant
4386 		&& (curwin->w_curswant < (colnr_T)width1
4387 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)
4388 		    : ((curwin->w_curswant - width1) % width2
4389 						      > (colnr_T)width2 / 2)))
4390 	    --curwin->w_cursor.col;
4391     }
4392 #endif
4393 
4394     if (atend)
4395 	curwin->w_curswant = MAXCOL;	    /* stick in the last column */
4396 
4397     return retval;
4398 }
4399 
4400 #ifdef FEAT_MOUSE
4401 /*
4402  * Mouse scroll wheel: Default action is to scroll three lines, or one page
4403  * when Shift or Ctrl is used.
4404  * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4405  */
4406     static void
4407 nv_mousescroll(cap)
4408     cmdarg_T	*cap;
4409 {
4410 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4411     win_T *old_curwin = curwin;
4412 
4413     /* Currently we only get the mouse coordinates in the GUI. */
4414     if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4415     {
4416 	int row, col;
4417 
4418 	row = mouse_row;
4419 	col = mouse_col;
4420 
4421 	/* find the window at the pointer coordinates */
4422 	curwin = mouse_find_win(&row, &col);
4423 	curbuf = curwin->w_buffer;
4424     }
4425 # endif
4426 
4427     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4428     {
4429 	(void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4430     }
4431     else
4432     {
4433 	cap->count1 = 3;
4434 	cap->count0 = 3;
4435 	nv_scroll_line(cap);
4436     }
4437 
4438 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4439     curwin->w_redr_status = TRUE;
4440 
4441     curwin = old_curwin;
4442     curbuf = curwin->w_buffer;
4443 # endif
4444 }
4445 
4446 /*
4447  * Mouse clicks and drags.
4448  */
4449     static void
4450 nv_mouse(cap)
4451     cmdarg_T	*cap;
4452 {
4453     (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4454 }
4455 #endif
4456 
4457 /*
4458  * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4459  * cap->arg must be TRUE for CTRL-E.
4460  */
4461     static void
4462 nv_scroll_line(cap)
4463     cmdarg_T	*cap;
4464 {
4465     if (!checkclearop(cap->oap))
4466 	scroll_redraw(cap->arg, cap->count1);
4467 }
4468 
4469 /*
4470  * Scroll "count" lines up or down, and redraw.
4471  */
4472     void
4473 scroll_redraw(up, count)
4474     int		up;
4475     long	count;
4476 {
4477     linenr_T	prev_topline = curwin->w_topline;
4478 #ifdef FEAT_DIFF
4479     int		prev_topfill = curwin->w_topfill;
4480 #endif
4481     linenr_T	prev_lnum = curwin->w_cursor.lnum;
4482 
4483     if (up)
4484 	scrollup(count, TRUE);
4485     else
4486 	scrolldown(count, TRUE);
4487     if (p_so)
4488     {
4489 	/* Adjust the cursor position for 'scrolloff'.  Mark w_topline as
4490 	 * valid, otherwise the screen jumps back at the end of the file. */
4491 	cursor_correct();
4492 	check_cursor_moved(curwin);
4493 	curwin->w_valid |= VALID_TOPLINE;
4494 
4495 	/* If moved back to where we were, at least move the cursor, otherwise
4496 	 * we get stuck at one position.  Don't move the cursor up if the
4497 	 * first line of the buffer is already on the screen */
4498 	while (curwin->w_topline == prev_topline
4499 #ifdef FEAT_DIFF
4500 		&& curwin->w_topfill == prev_topfill
4501 #endif
4502 		)
4503 	{
4504 	    if (up)
4505 	    {
4506 		if (curwin->w_cursor.lnum > prev_lnum
4507 			|| cursor_down(1L, FALSE) == FAIL)
4508 		    break;
4509 	    }
4510 	    else
4511 	    {
4512 		if (curwin->w_cursor.lnum < prev_lnum
4513 			|| prev_topline == 1L
4514 			|| cursor_up(1L, FALSE) == FAIL)
4515 		    break;
4516 	    }
4517 	    /* Mark w_topline as valid, otherwise the screen jumps back at the
4518 	     * end of the file. */
4519 	    check_cursor_moved(curwin);
4520 	    curwin->w_valid |= VALID_TOPLINE;
4521 	}
4522     }
4523     if (curwin->w_cursor.lnum != prev_lnum)
4524 	coladvance(curwin->w_curswant);
4525     redraw_later(VALID);
4526 }
4527 
4528 /*
4529  * Commands that start with "z".
4530  */
4531     static void
4532 nv_zet(cap)
4533     cmdarg_T  *cap;
4534 {
4535     long	n;
4536     colnr_T	col;
4537     int		nchar = cap->nchar;
4538 #ifdef FEAT_FOLDING
4539     long	old_fdl = curwin->w_p_fdl;
4540     int		old_fen = curwin->w_p_fen;
4541 #endif
4542 #ifdef FEAT_SPELL
4543     int		undo = FALSE;
4544 #endif
4545 
4546     if (VIM_ISDIGIT(nchar))
4547     {
4548 	/*
4549 	 * "z123{nchar}": edit the count before obtaining {nchar}
4550 	 */
4551 	if (checkclearop(cap->oap))
4552 	    return;
4553 	n = nchar - '0';
4554 	for (;;)
4555 	{
4556 #ifdef USE_ON_FLY_SCROLL
4557 	    dont_scroll = TRUE;		/* disallow scrolling here */
4558 #endif
4559 	    ++no_mapping;
4560 	    ++allow_keys;   /* no mapping for nchar, but allow key codes */
4561 	    nchar = safe_vgetc();
4562 #ifdef FEAT_LANGMAP
4563 	    LANGMAP_ADJUST(nchar, TRUE);
4564 #endif
4565 	    --no_mapping;
4566 	    --allow_keys;
4567 #ifdef FEAT_CMDL_INFO
4568 	    (void)add_to_showcmd(nchar);
4569 #endif
4570 	    if (nchar == K_DEL || nchar == K_KDEL)
4571 		n /= 10;
4572 	    else if (VIM_ISDIGIT(nchar))
4573 		n = n * 10 + (nchar - '0');
4574 	    else if (nchar == CAR)
4575 	    {
4576 #ifdef FEAT_GUI
4577 		need_mouse_correct = TRUE;
4578 #endif
4579 		win_setheight((int)n);
4580 		break;
4581 	    }
4582 	    else if (nchar == 'l'
4583 		    || nchar == 'h'
4584 		    || nchar == K_LEFT
4585 		    || nchar == K_RIGHT)
4586 	    {
4587 		cap->count1 = n ? n * cap->count1 : cap->count1;
4588 		goto dozet;
4589 	    }
4590 	    else
4591 	    {
4592 		clearopbeep(cap->oap);
4593 		break;
4594 	    }
4595 	}
4596 	cap->oap->op_type = OP_NOP;
4597 	return;
4598     }
4599 
4600 dozet:
4601     if (
4602 #ifdef FEAT_FOLDING
4603 	    /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4604 	     * and "zC" only in Visual mode.  "zj" and "zk" are motion
4605 	     * commands. */
4606 	    cap->nchar != 'f' && cap->nchar != 'F'
4607 	    && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4608 	    && cap->nchar != 'j' && cap->nchar != 'k'
4609 	    &&
4610 #endif
4611 	    checkclearop(cap->oap))
4612 	return;
4613 
4614     /*
4615      * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4616      * If line number given, set cursor.
4617      */
4618     if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4619 	    && cap->count0
4620 	    && cap->count0 != curwin->w_cursor.lnum)
4621     {
4622 	setpcmark();
4623 	if (cap->count0 > curbuf->b_ml.ml_line_count)
4624 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4625 	else
4626 	    curwin->w_cursor.lnum = cap->count0;
4627 	check_cursor_col();
4628     }
4629 
4630     switch (nchar)
4631     {
4632 		/* "z+", "z<CR>" and "zt": put cursor at top of screen */
4633     case '+':
4634 		if (cap->count0 == 0)
4635 		{
4636 		    /* No count given: put cursor at the line below screen */
4637 		    validate_botline();	/* make sure w_botline is valid */
4638 		    if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4639 			curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4640 		    else
4641 			curwin->w_cursor.lnum = curwin->w_botline;
4642 		}
4643 		/* FALLTHROUGH */
4644     case NL:
4645     case CAR:
4646     case K_KENTER:
4647 		beginline(BL_WHITE | BL_FIX);
4648 		/* FALLTHROUGH */
4649 
4650     case 't':	scroll_cursor_top(0, TRUE);
4651 		redraw_later(VALID);
4652 		break;
4653 
4654 		/* "z." and "zz": put cursor in middle of screen */
4655     case '.':	beginline(BL_WHITE | BL_FIX);
4656 		/* FALLTHROUGH */
4657 
4658     case 'z':	scroll_cursor_halfway(TRUE);
4659 		redraw_later(VALID);
4660 		break;
4661 
4662 		/* "z^", "z-" and "zb": put cursor at bottom of screen */
4663     case '^':	/* Strange Vi behavior: <count>z^ finds line at top of window
4664 		 * when <count> is at bottom of window, and puts that one at
4665 		 * bottom of window. */
4666 		if (cap->count0 != 0)
4667 		{
4668 		    scroll_cursor_bot(0, TRUE);
4669 		    curwin->w_cursor.lnum = curwin->w_topline;
4670 		}
4671 		else if (curwin->w_topline == 1)
4672 		    curwin->w_cursor.lnum = 1;
4673 		else
4674 		    curwin->w_cursor.lnum = curwin->w_topline - 1;
4675 		/* FALLTHROUGH */
4676     case '-':
4677 		beginline(BL_WHITE | BL_FIX);
4678 		/* FALLTHROUGH */
4679 
4680     case 'b':	scroll_cursor_bot(0, TRUE);
4681 		redraw_later(VALID);
4682 		break;
4683 
4684 		/* "zH" - scroll screen right half-page */
4685     case 'H':
4686 		cap->count1 *= W_WIDTH(curwin) / 2;
4687 		/* FALLTHROUGH */
4688 
4689 		/* "zh" - scroll screen to the right */
4690     case 'h':
4691     case K_LEFT:
4692 		if (!curwin->w_p_wrap)
4693 		{
4694 		    if ((colnr_T)cap->count1 > curwin->w_leftcol)
4695 			curwin->w_leftcol = 0;
4696 		    else
4697 			curwin->w_leftcol -= (colnr_T)cap->count1;
4698 		    leftcol_changed();
4699 		}
4700 		break;
4701 
4702 		/* "zL" - scroll screen left half-page */
4703     case 'L':	cap->count1 *= W_WIDTH(curwin) / 2;
4704 		/* FALLTHROUGH */
4705 
4706 		/* "zl" - scroll screen to the left */
4707     case 'l':
4708     case K_RIGHT:
4709 		if (!curwin->w_p_wrap)
4710 		{
4711 		    /* scroll the window left */
4712 		    curwin->w_leftcol += (colnr_T)cap->count1;
4713 		    leftcol_changed();
4714 		}
4715 		break;
4716 
4717 		/* "zs" - scroll screen, cursor at the start */
4718     case 's':	if (!curwin->w_p_wrap)
4719 		{
4720 #ifdef FEAT_FOLDING
4721 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4722 			col = 0;	/* like the cursor is in col 0 */
4723 		    else
4724 #endif
4725 		    getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4726 		    if ((long)col > p_siso)
4727 			col -= p_siso;
4728 		    else
4729 			col = 0;
4730 		    if (curwin->w_leftcol != col)
4731 		    {
4732 			curwin->w_leftcol = col;
4733 			redraw_later(NOT_VALID);
4734 		    }
4735 		}
4736 		break;
4737 
4738 		/* "ze" - scroll screen, cursor at the end */
4739     case 'e':	if (!curwin->w_p_wrap)
4740 		{
4741 #ifdef FEAT_FOLDING
4742 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4743 			col = 0;	/* like the cursor is in col 0 */
4744 		    else
4745 #endif
4746 		    getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4747 		    n = W_WIDTH(curwin) - curwin_col_off();
4748 		    if ((long)col + p_siso < n)
4749 			col = 0;
4750 		    else
4751 			col = col + p_siso - n + 1;
4752 		    if (curwin->w_leftcol != col)
4753 		    {
4754 			curwin->w_leftcol = col;
4755 			redraw_later(NOT_VALID);
4756 		    }
4757 		}
4758 		break;
4759 
4760 #ifdef FEAT_FOLDING
4761 		/* "zF": create fold command */
4762 		/* "zf": create fold operator */
4763     case 'F':
4764     case 'f':   if (foldManualAllowed(TRUE))
4765 		{
4766 		    cap->nchar = 'f';
4767 		    nv_operator(cap);
4768 		    curwin->w_p_fen = TRUE;
4769 
4770 		    /* "zF" is like "zfzf" */
4771 		    if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4772 		    {
4773 			nv_operator(cap);
4774 			finish_op = TRUE;
4775 		    }
4776 		}
4777 		else
4778 		    clearopbeep(cap->oap);
4779 		break;
4780 
4781 		/* "zd": delete fold at cursor */
4782 		/* "zD": delete fold at cursor recursively */
4783     case 'd':
4784     case 'D':	if (foldManualAllowed(FALSE))
4785 		{
4786 		    if (VIsual_active)
4787 			nv_operator(cap);
4788 		    else
4789 			deleteFold(curwin->w_cursor.lnum,
4790 				  curwin->w_cursor.lnum, nchar == 'D', FALSE);
4791 		}
4792 		break;
4793 
4794 		/* "zE": erease all folds */
4795     case 'E':	if (foldmethodIsManual(curwin))
4796 		{
4797 		    clearFolding(curwin);
4798 		    changed_window_setting();
4799 		}
4800 		else if (foldmethodIsMarker(curwin))
4801 		    deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4802 								 TRUE, FALSE);
4803 		else
4804 		    EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4805 		break;
4806 
4807 		/* "zn": fold none: reset 'foldenable' */
4808     case 'n':	curwin->w_p_fen = FALSE;
4809 		break;
4810 
4811 		/* "zN": fold Normal: set 'foldenable' */
4812     case 'N':	curwin->w_p_fen = TRUE;
4813 		break;
4814 
4815 		/* "zi": invert folding: toggle 'foldenable' */
4816     case 'i':	curwin->w_p_fen = !curwin->w_p_fen;
4817 		break;
4818 
4819 		/* "za": open closed fold or close open fold at cursor */
4820     case 'a':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4821 		    openFold(curwin->w_cursor.lnum, cap->count1);
4822 		else
4823 		{
4824 		    closeFold(curwin->w_cursor.lnum, cap->count1);
4825 		    curwin->w_p_fen = TRUE;
4826 		}
4827 		break;
4828 
4829 		/* "zA": open fold at cursor recursively */
4830     case 'A':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4831 		    openFoldRecurse(curwin->w_cursor.lnum);
4832 		else
4833 		{
4834 		    closeFoldRecurse(curwin->w_cursor.lnum);
4835 		    curwin->w_p_fen = TRUE;
4836 		}
4837 		break;
4838 
4839 		/* "zo": open fold at cursor or Visual area */
4840     case 'o':	if (VIsual_active)
4841 		    nv_operator(cap);
4842 		else
4843 		    openFold(curwin->w_cursor.lnum, cap->count1);
4844 		break;
4845 
4846 		/* "zO": open fold recursively */
4847     case 'O':	if (VIsual_active)
4848 		    nv_operator(cap);
4849 		else
4850 		    openFoldRecurse(curwin->w_cursor.lnum);
4851 		break;
4852 
4853 		/* "zc": close fold at cursor or Visual area */
4854     case 'c':	if (VIsual_active)
4855 		    nv_operator(cap);
4856 		else
4857 		    closeFold(curwin->w_cursor.lnum, cap->count1);
4858 		curwin->w_p_fen = TRUE;
4859 		break;
4860 
4861 		/* "zC": close fold recursively */
4862     case 'C':	if (VIsual_active)
4863 		    nv_operator(cap);
4864 		else
4865 		    closeFoldRecurse(curwin->w_cursor.lnum);
4866 		curwin->w_p_fen = TRUE;
4867 		break;
4868 
4869 		/* "zv": open folds at the cursor */
4870     case 'v':	foldOpenCursor();
4871 		break;
4872 
4873 		/* "zx": re-apply 'foldlevel' and open folds at the cursor */
4874     case 'x':	curwin->w_p_fen = TRUE;
4875 		newFoldLevel();		/* update right now */
4876 		foldOpenCursor();
4877 		break;
4878 
4879 		/* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4880     case 'X':	curwin->w_p_fen = TRUE;
4881 		old_fdl = -1;		/* force an update */
4882 		break;
4883 
4884 		/* "zm": fold more */
4885     case 'm':	if (curwin->w_p_fdl > 0)
4886 		    --curwin->w_p_fdl;
4887 		old_fdl = -1;		/* force an update */
4888 		curwin->w_p_fen = TRUE;
4889 		break;
4890 
4891 		/* "zM": close all folds */
4892     case 'M':	curwin->w_p_fdl = 0;
4893 		old_fdl = -1;		/* force an update */
4894 		curwin->w_p_fen = TRUE;
4895 		break;
4896 
4897 		/* "zr": reduce folding */
4898     case 'r':	++curwin->w_p_fdl;
4899 		break;
4900 
4901 		/* "zR": open all folds */
4902     case 'R':	curwin->w_p_fdl = getDeepestNesting();
4903 		old_fdl = -1;		/* force an update */
4904 		break;
4905 
4906     case 'j':	/* "zj" move to next fold downwards */
4907     case 'k':	/* "zk" move to next fold upwards */
4908 		if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4909 							  cap->count1) == FAIL)
4910 		    clearopbeep(cap->oap);
4911 		break;
4912 
4913 #endif /* FEAT_FOLDING */
4914 
4915 #ifdef FEAT_SPELL
4916     case 'u':	/* "zug" and "zuw": undo "zg" and "zw" */
4917 		++no_mapping;
4918 		++allow_keys;   /* no mapping for nchar, but allow key codes */
4919 		nchar = safe_vgetc();
4920 #ifdef FEAT_LANGMAP
4921 		LANGMAP_ADJUST(nchar, TRUE);
4922 #endif
4923 		--no_mapping;
4924 		--allow_keys;
4925 #ifdef FEAT_CMDL_INFO
4926 		(void)add_to_showcmd(nchar);
4927 #endif
4928 		if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
4929 		{
4930 		    clearopbeep(cap->oap);
4931 		    break;
4932 		}
4933 		undo = TRUE;
4934 		/*FALLTHROUGH*/
4935 
4936     case 'g':	/* "zg": add good word to word list */
4937     case 'w':	/* "zw": add wrong word to word list */
4938     case 'G':	/* "zG": add good word to temp word list */
4939     case 'W':	/* "zW": add wrong word to temp word list */
4940 		{
4941 		    char_u  *ptr = NULL;
4942 		    int	    len;
4943 
4944 		    if (checkclearop(cap->oap))
4945 			break;
4946 # ifdef FEAT_VISUAL
4947 		    if (VIsual_active && get_visual_text(cap, &ptr, &len)
4948 								      == FAIL)
4949 			return;
4950 # endif
4951 		    if (ptr == NULL)
4952 		    {
4953 			pos_T	pos = curwin->w_cursor;
4954 
4955 			/* Find bad word under the cursor. */
4956 			len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
4957 			if (len != 0 && curwin->w_cursor.col <= pos.col)
4958 			    ptr = ml_get_pos(&curwin->w_cursor);
4959 			curwin->w_cursor = pos;
4960 		    }
4961 
4962 		    if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
4963 							    FIND_IDENT)) == 0)
4964 			return;
4965 		    spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
4966 					    (nchar == 'G' || nchar == 'W')
4967 						       ? 0 : (int)cap->count1,
4968 					    undo);
4969 		}
4970 		break;
4971 
4972     case '=':	/* "z=": suggestions for a badly spelled word  */
4973 		if (!checkclearop(cap->oap))
4974 		    spell_suggest((int)cap->count0);
4975 		break;
4976 #endif
4977 
4978     default:	clearopbeep(cap->oap);
4979     }
4980 
4981 #ifdef FEAT_FOLDING
4982     /* Redraw when 'foldenable' changed */
4983     if (old_fen != curwin->w_p_fen)
4984     {
4985 # ifdef FEAT_DIFF
4986 	win_T	    *wp;
4987 
4988 	if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
4989 	{
4990 	    /* Adjust 'foldenable' in diff-synced windows. */
4991 	    FOR_ALL_WINDOWS(wp)
4992 	    {
4993 		if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
4994 		{
4995 		    wp->w_p_fen = curwin->w_p_fen;
4996 		    changed_window_setting_win(wp);
4997 		}
4998 	    }
4999 	}
5000 # endif
5001 	changed_window_setting();
5002     }
5003 
5004     /* Redraw when 'foldlevel' changed. */
5005     if (old_fdl != curwin->w_p_fdl)
5006 	newFoldLevel();
5007 #endif
5008 }
5009 
5010 #ifdef FEAT_GUI
5011 /*
5012  * Vertical scrollbar movement.
5013  */
5014     static void
5015 nv_ver_scrollbar(cap)
5016     cmdarg_T	*cap;
5017 {
5018     if (cap->oap->op_type != OP_NOP)
5019 	clearopbeep(cap->oap);
5020 
5021     /* Even if an operator was pending, we still want to scroll */
5022     gui_do_scroll();
5023 }
5024 
5025 /*
5026  * Horizontal scrollbar movement.
5027  */
5028     static void
5029 nv_hor_scrollbar(cap)
5030     cmdarg_T	*cap;
5031 {
5032     if (cap->oap->op_type != OP_NOP)
5033 	clearopbeep(cap->oap);
5034 
5035     /* Even if an operator was pending, we still want to scroll */
5036     gui_do_horiz_scroll();
5037 }
5038 #endif
5039 
5040 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5041 /*
5042  * Click in GUI tab.
5043  */
5044     static void
5045 nv_tabline(cap)
5046     cmdarg_T	*cap;
5047 {
5048     if (cap->oap->op_type != OP_NOP)
5049 	clearopbeep(cap->oap);
5050 
5051     /* Even if an operator was pending, we still want to jump tabs. */
5052     goto_tabpage(current_tab);
5053 }
5054 
5055 /*
5056  * Selected item in tab line menu.
5057  */
5058     static void
5059 nv_tabmenu(cap)
5060     cmdarg_T	*cap;
5061 {
5062     if (cap->oap->op_type != OP_NOP)
5063 	clearopbeep(cap->oap);
5064 
5065     /* Even if an operator was pending, we still want to jump tabs. */
5066     handle_tabmenu();
5067 }
5068 
5069 /*
5070  * Handle selecting an item of the GUI tab line menu.
5071  * Used in Normal and Insert mode.
5072  */
5073     void
5074 handle_tabmenu()
5075 {
5076     switch (current_tabmenu)
5077     {
5078 	case TABLINE_MENU_CLOSE:
5079 	    if (current_tab == 0)
5080 		do_cmdline_cmd((char_u *)"tabclose");
5081 	    else
5082 	    {
5083 		vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5084 								 current_tab);
5085 		do_cmdline_cmd(IObuff);
5086 	    }
5087 	    break;
5088 
5089 	case TABLINE_MENU_NEW:
5090 	    vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5091 				     current_tab > 0 ? current_tab - 1 : 999);
5092 	    do_cmdline_cmd(IObuff);
5093 	    break;
5094 
5095 	case TABLINE_MENU_OPEN:
5096 	    vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5097 				     current_tab > 0 ? current_tab - 1 : 999);
5098 	    do_cmdline_cmd(IObuff);
5099 	    break;
5100     }
5101 }
5102 #endif
5103 
5104 /*
5105  * "Q" command.
5106  */
5107     static void
5108 nv_exmode(cap)
5109     cmdarg_T	*cap;
5110 {
5111     /*
5112      * Ignore 'Q' in Visual mode, just give a beep.
5113      */
5114 #ifdef FEAT_VISUAL
5115     if (VIsual_active)
5116 	vim_beep();
5117     else
5118 #endif
5119 	if (!checkclearop(cap->oap))
5120 	do_exmode(FALSE);
5121 }
5122 
5123 /*
5124  * Handle a ":" command.
5125  */
5126     static void
5127 nv_colon(cap)
5128     cmdarg_T  *cap;
5129 {
5130     int	    old_p_im;
5131 
5132 #ifdef FEAT_VISUAL
5133     if (VIsual_active)
5134 	nv_operator(cap);
5135     else
5136 #endif
5137     {
5138 	if (cap->oap->op_type != OP_NOP)
5139 	{
5140 	    /* Using ":" as a movement is characterwise exclusive. */
5141 	    cap->oap->motion_type = MCHAR;
5142 	    cap->oap->inclusive = FALSE;
5143 	}
5144 	else if (cap->count0)
5145 	{
5146 	    /* translate "count:" into ":.,.+(count - 1)" */
5147 	    stuffcharReadbuff('.');
5148 	    if (cap->count0 > 1)
5149 	    {
5150 		stuffReadbuff((char_u *)",.+");
5151 		stuffnumReadbuff((long)cap->count0 - 1L);
5152 	    }
5153 	}
5154 
5155 	/* When typing, don't type below an old message */
5156 	if (KeyTyped)
5157 	    compute_cmdrow();
5158 
5159 	old_p_im = p_im;
5160 
5161 	/* get a command line and execute it */
5162 	do_cmdline(NULL, getexline, NULL,
5163 			    cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5164 
5165 	/* If 'insertmode' changed, enter or exit Insert mode */
5166 	if (p_im != old_p_im)
5167 	{
5168 	    if (p_im)
5169 		restart_edit = 'i';
5170 	    else
5171 		restart_edit = 0;
5172 	}
5173 
5174 	/* The start of the operator may have become invalid by the Ex
5175 	 * command. */
5176 	if (cap->oap->op_type != OP_NOP
5177 		&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5178 		    || cap->oap->start.col >
5179 					 STRLEN(ml_get(cap->oap->start.lnum))))
5180 	    clearopbeep(cap->oap);
5181     }
5182 }
5183 
5184 /*
5185  * Handle CTRL-G command.
5186  */
5187     static void
5188 nv_ctrlg(cap)
5189     cmdarg_T *cap;
5190 {
5191 #ifdef FEAT_VISUAL
5192     if (VIsual_active)	/* toggle Selection/Visual mode */
5193     {
5194 	VIsual_select = !VIsual_select;
5195 	showmode();
5196     }
5197     else
5198 #endif
5199 	if (!checkclearop(cap->oap))
5200 	/* print full name if count given or :cd used */
5201 	fileinfo((int)cap->count0, FALSE, TRUE);
5202 }
5203 
5204 /*
5205  * Handle CTRL-H <Backspace> command.
5206  */
5207     static void
5208 nv_ctrlh(cap)
5209     cmdarg_T *cap;
5210 {
5211 #ifdef FEAT_VISUAL
5212     if (VIsual_active && VIsual_select)
5213     {
5214 	cap->cmdchar = 'x';	/* BS key behaves like 'x' in Select mode */
5215 	v_visop(cap);
5216     }
5217     else
5218 #endif
5219 	nv_left(cap);
5220 }
5221 
5222 /*
5223  * CTRL-L: clear screen and redraw.
5224  */
5225     static void
5226 nv_clear(cap)
5227     cmdarg_T	*cap;
5228 {
5229     if (!checkclearop(cap->oap))
5230     {
5231 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5232 	/*
5233 	 * Right now, the BeBox doesn't seem to have an easy way to detect
5234 	 * window resizing, so we cheat and make the user detect it
5235 	 * manually with CTRL-L instead
5236 	 */
5237 	ui_get_shellsize();
5238 #endif
5239 #ifdef FEAT_SYN_HL
5240 	/* Clear all syntax states to force resyncing. */
5241 	syn_stack_free_all(curbuf);
5242 #endif
5243 	redraw_later(CLEAR);
5244     }
5245 }
5246 
5247 /*
5248  * CTRL-O: In Select mode: switch to Visual mode for one command.
5249  * Otherwise: Go to older pcmark.
5250  */
5251     static void
5252 nv_ctrlo(cap)
5253     cmdarg_T	*cap;
5254 {
5255 #ifdef FEAT_VISUAL
5256     if (VIsual_active && VIsual_select)
5257     {
5258 	VIsual_select = FALSE;
5259 	showmode();
5260 	restart_VIsual_select = 2;	/* restart Select mode later */
5261     }
5262     else
5263 #endif
5264     {
5265 	cap->count1 = -cap->count1;
5266 	nv_pcmark(cap);
5267     }
5268 }
5269 
5270 /*
5271  * CTRL-^ command, short for ":e #"
5272  */
5273     static void
5274 nv_hat(cap)
5275     cmdarg_T	*cap;
5276 {
5277     if (!checkclearopq(cap->oap))
5278 	(void)buflist_getfile((int)cap->count0, (linenr_T)0,
5279 						GETF_SETMARK|GETF_ALT, FALSE);
5280 }
5281 
5282 /*
5283  * "Z" commands.
5284  */
5285     static void
5286 nv_Zet(cap)
5287     cmdarg_T *cap;
5288 {
5289     if (!checkclearopq(cap->oap))
5290     {
5291 	switch (cap->nchar)
5292 	{
5293 			/* "ZZ": equivalent to ":x". */
5294 	    case 'Z':	do_cmdline_cmd((char_u *)"x");
5295 			break;
5296 
5297 			/* "ZQ": equivalent to ":q!" (Elvis compatible). */
5298 	    case 'Q':	do_cmdline_cmd((char_u *)"q!");
5299 			break;
5300 
5301 	    default:	clearopbeep(cap->oap);
5302 	}
5303     }
5304 }
5305 
5306 #if defined(FEAT_WINDOWS) || defined(PROTO)
5307 /*
5308  * Call nv_ident() as if "c1" was used, with "c2" as next character.
5309  */
5310     void
5311 do_nv_ident(c1, c2)
5312     int		c1;
5313     int		c2;
5314 {
5315     oparg_T	oa;
5316     cmdarg_T	ca;
5317 
5318     clear_oparg(&oa);
5319     vim_memset(&ca, 0, sizeof(ca));
5320     ca.oap = &oa;
5321     ca.cmdchar = c1;
5322     ca.nchar = c2;
5323     nv_ident(&ca);
5324 }
5325 #endif
5326 
5327 /*
5328  * Handle the commands that use the word under the cursor.
5329  * [g] CTRL-]	:ta to current identifier
5330  * [g] 'K'	run program for current identifier
5331  * [g] '*'	/ to current identifier or string
5332  * [g] '#'	? to current identifier or string
5333  *  g  ']'	:tselect for current identifier
5334  */
5335     static void
5336 nv_ident(cap)
5337     cmdarg_T	*cap;
5338 {
5339     char_u	*ptr = NULL;
5340     char_u	*buf;
5341     char_u	*p;
5342     char_u	*kp;		/* value of 'keywordprg' */
5343     int		kp_help;	/* 'keywordprg' is ":help" */
5344     int		n = 0;		/* init for GCC */
5345     int		cmdchar;
5346     int		g_cmd;		/* "g" command */
5347     char_u	*aux_ptr;
5348     int		isman;
5349     int		isman_s;
5350 
5351     if (cap->cmdchar == 'g')	/* "g*", "g#", "g]" and "gCTRL-]" */
5352     {
5353 	cmdchar = cap->nchar;
5354 	g_cmd = TRUE;
5355     }
5356     else
5357     {
5358 	cmdchar = cap->cmdchar;
5359 	g_cmd = FALSE;
5360     }
5361 
5362     if (cmdchar == POUND)	/* the pound sign, '#' for English keyboards */
5363 	cmdchar = '#';
5364 
5365     /*
5366      * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5367      */
5368     if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5369     {
5370 #ifdef FEAT_VISUAL
5371 	if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5372 	    return;
5373 #endif
5374 	if (checkclearopq(cap->oap))
5375 	    return;
5376     }
5377 
5378     if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5379 		    (cmdchar == '*' || cmdchar == '#')
5380 				 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5381     {
5382 	clearop(cap->oap);
5383 	return;
5384     }
5385 
5386     /* Allocate buffer to put the command in.  Inserting backslashes can
5387      * double the length of the word.  p_kp / curbuf->b_p_kp could be added
5388      * and some numbers. */
5389     kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5390     kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5391 						 || STRCMP(kp, ":help") == 0);
5392     buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5393     if (buf == NULL)
5394 	return;
5395     buf[0] = NUL;
5396 
5397     switch (cmdchar)
5398     {
5399 	case '*':
5400 	case '#':
5401 	    /*
5402 	     * Put cursor at start of word, makes search skip the word
5403 	     * under the cursor.
5404 	     * Call setpcmark() first, so "*``" puts the cursor back where
5405 	     * it was.
5406 	     */
5407 	    setpcmark();
5408 	    curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5409 
5410 	    if (!g_cmd && vim_iswordp(ptr))
5411 		STRCPY(buf, "\\<");
5412 	    no_smartcase = TRUE;	/* don't use 'smartcase' now */
5413 	    break;
5414 
5415 	case 'K':
5416 	    if (kp_help)
5417 		STRCPY(buf, "he! ");
5418 	    else
5419 	    {
5420 		/* When a count is given, turn it into a range.  Is this
5421 		 * really what we want? */
5422 		isman = (STRCMP(kp, "man") == 0);
5423 		isman_s = (STRCMP(kp, "man -s") == 0);
5424 		if (cap->count0 != 0 && !(isman || isman_s))
5425 		    sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5426 
5427 		STRCAT(buf, "! ");
5428 		if (cap->count0 == 0 && isman_s)
5429 		    STRCAT(buf, "man");
5430 		else
5431 		    STRCAT(buf, kp);
5432 		STRCAT(buf, " ");
5433 		if (cap->count0 != 0 && (isman || isman_s))
5434 		{
5435 		    sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5436 		    STRCAT(buf, " ");
5437 		}
5438 	    }
5439 	    break;
5440 
5441 	case ']':
5442 #ifdef FEAT_CSCOPE
5443 	    if (p_cst)
5444 		STRCPY(buf, "cstag ");
5445 	    else
5446 #endif
5447 		STRCPY(buf, "ts ");
5448 	    break;
5449 
5450 	default:
5451 	    if (curbuf->b_help)
5452 		STRCPY(buf, "he! ");
5453 	    else if (g_cmd)
5454 		STRCPY(buf, "tj ");
5455 	    else
5456 		sprintf((char *)buf, "%ldta ", cap->count0);
5457     }
5458 
5459     /*
5460      * Now grab the chars in the identifier
5461      */
5462     if (cmdchar == '*')
5463 	aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5464     else if (cmdchar == '#')
5465 	aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5466     else if (cmdchar == 'K' && !kp_help)
5467 	aux_ptr = (char_u *)" \t\\\"|!";
5468     else
5469 	/* Don't escape spaces and Tabs in a tag with a backslash */
5470 	aux_ptr = (char_u *)"\\|\"";
5471 
5472     p = buf + STRLEN(buf);
5473     while (n-- > 0)
5474     {
5475 	/* put a backslash before \ and some others */
5476 	if (vim_strchr(aux_ptr, *ptr) != NULL)
5477 	    *p++ = '\\';
5478 #ifdef FEAT_MBYTE
5479 	/* When current byte is a part of multibyte character, copy all bytes
5480 	 * of that character. */
5481 	if (has_mbyte)
5482 	{
5483 	    int i;
5484 	    int len = (*mb_ptr2len)(ptr) - 1;
5485 
5486 	    for (i = 0; i < len && n >= 1; ++i, --n)
5487 		*p++ = *ptr++;
5488 	}
5489 #endif
5490 	*p++ = *ptr++;
5491     }
5492     *p = NUL;
5493 
5494     /*
5495      * Execute the command.
5496      */
5497     if (cmdchar == '*' || cmdchar == '#')
5498     {
5499 	if (!g_cmd && (
5500 #ifdef FEAT_MBYTE
5501 		has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5502 #endif
5503 		vim_iswordc(ptr[-1])))
5504 	    STRCAT(buf, "\\>");
5505 #ifdef FEAT_CMDHIST
5506 	/* put pattern in search history */
5507 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5508 #endif
5509 	normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5510     }
5511     else
5512 	do_cmdline_cmd(buf);
5513 
5514     vim_free(buf);
5515 }
5516 
5517 #if defined(FEAT_VISUAL) || defined(PROTO)
5518 /*
5519  * Get visually selected text, within one line only.
5520  * Returns FAIL if more than one line selected.
5521  */
5522     int
5523 get_visual_text(cap, pp, lenp)
5524     cmdarg_T	*cap;
5525     char_u	**pp;	    /* return: start of selected text */
5526     int		*lenp;	    /* return: length of selected text */
5527 {
5528     if (VIsual_mode != 'V')
5529 	unadjust_for_sel();
5530     if (VIsual.lnum != curwin->w_cursor.lnum)
5531     {
5532 	if (cap != NULL)
5533 	    clearopbeep(cap->oap);
5534 	return FAIL;
5535     }
5536     if (VIsual_mode == 'V')
5537     {
5538 	*pp = ml_get_curline();
5539 	*lenp = (int)STRLEN(*pp);
5540     }
5541     else
5542     {
5543 	if (lt(curwin->w_cursor, VIsual))
5544 	{
5545 	    *pp = ml_get_pos(&curwin->w_cursor);
5546 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
5547 	}
5548 	else
5549 	{
5550 	    *pp = ml_get_pos(&VIsual);
5551 	    *lenp = curwin->w_cursor.col - VIsual.col + 1;
5552 	}
5553 #ifdef FEAT_MBYTE
5554 	if (has_mbyte)
5555 	    /* Correct the length to include the whole last character. */
5556 	    *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5557 #endif
5558     }
5559     reset_VIsual_and_resel();
5560     return OK;
5561 }
5562 #endif
5563 
5564 /*
5565  * CTRL-T: backwards in tag stack
5566  */
5567     static void
5568 nv_tagpop(cap)
5569     cmdarg_T	*cap;
5570 {
5571     if (!checkclearopq(cap->oap))
5572 	do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5573 }
5574 
5575 /*
5576  * Handle scrolling command 'H', 'L' and 'M'.
5577  */
5578     static void
5579 nv_scroll(cap)
5580     cmdarg_T  *cap;
5581 {
5582     int		used = 0;
5583     long	n;
5584 #ifdef FEAT_FOLDING
5585     linenr_T	lnum;
5586 #endif
5587     int		half;
5588 
5589     cap->oap->motion_type = MLINE;
5590     setpcmark();
5591 
5592     if (cap->cmdchar == 'L')
5593     {
5594 	validate_botline();	    /* make sure curwin->w_botline is valid */
5595 	curwin->w_cursor.lnum = curwin->w_botline - 1;
5596 	if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5597 	    curwin->w_cursor.lnum = 1;
5598 	else
5599 	{
5600 #ifdef FEAT_FOLDING
5601 	    if (hasAnyFolding(curwin))
5602 	    {
5603 		/* Count a fold for one screen line. */
5604 		for (n = cap->count1 - 1; n > 0
5605 			    && curwin->w_cursor.lnum > curwin->w_topline; --n)
5606 		{
5607 		    (void)hasFolding(curwin->w_cursor.lnum,
5608 						&curwin->w_cursor.lnum, NULL);
5609 		    --curwin->w_cursor.lnum;
5610 		}
5611 	    }
5612 	    else
5613 #endif
5614 		curwin->w_cursor.lnum -= cap->count1 - 1;
5615 	}
5616     }
5617     else
5618     {
5619 	if (cap->cmdchar == 'M')
5620 	{
5621 #ifdef FEAT_DIFF
5622 	    /* Don't count filler lines above the window. */
5623 	    used -= diff_check_fill(curwin, curwin->w_topline)
5624 							  - curwin->w_topfill;
5625 #endif
5626 	    validate_botline();	    /* make sure w_empty_rows is valid */
5627 	    half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5628 	    for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5629 	    {
5630 #ifdef FEAT_DIFF
5631 		/* Count half he number of filler lines to be "below this
5632 		 * line" and half to be "above the next line". */
5633 		if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5634 							     + n) / 2 >= half)
5635 		{
5636 		    --n;
5637 		    break;
5638 		}
5639 #endif
5640 		used += plines(curwin->w_topline + n);
5641 		if (used >= half)
5642 		    break;
5643 #ifdef FEAT_FOLDING
5644 		if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5645 		    n = lnum - curwin->w_topline;
5646 #endif
5647 	    }
5648 	    if (n > 0 && used > curwin->w_height)
5649 		--n;
5650 	}
5651 	else /* (cap->cmdchar == 'H') */
5652 	{
5653 	    n = cap->count1 - 1;
5654 #ifdef FEAT_FOLDING
5655 	    if (hasAnyFolding(curwin))
5656 	    {
5657 		/* Count a fold for one screen line. */
5658 		lnum = curwin->w_topline;
5659 		while (n-- > 0 && lnum < curwin->w_botline - 1)
5660 		{
5661 		    hasFolding(lnum, NULL, &lnum);
5662 		    ++lnum;
5663 		}
5664 		n = lnum - curwin->w_topline;
5665 	    }
5666 #endif
5667 	}
5668 	curwin->w_cursor.lnum = curwin->w_topline + n;
5669 	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5670 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5671     }
5672 
5673     cursor_correct();	/* correct for 'so' */
5674     beginline(BL_SOL | BL_FIX);
5675 }
5676 
5677 /*
5678  * Cursor right commands.
5679  */
5680     static void
5681 nv_right(cap)
5682     cmdarg_T	*cap;
5683 {
5684     long	n;
5685 #ifdef FEAT_VISUAL
5686     int		PAST_LINE;
5687 #else
5688 # define PAST_LINE 0
5689 #endif
5690 
5691     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5692     {
5693 	/* <C-Right> and <S-Right> move a word or WORD right */
5694 	if (mod_mask & MOD_MASK_CTRL)
5695 	    cap->arg = TRUE;
5696 	nv_wordcmd(cap);
5697 	return;
5698     }
5699 
5700     cap->oap->motion_type = MCHAR;
5701     cap->oap->inclusive = FALSE;
5702 #ifdef FEAT_VISUAL
5703     PAST_LINE = (VIsual_active && *p_sel != 'o');
5704 
5705 # ifdef FEAT_VIRTUALEDIT
5706     /*
5707      * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5708      * (theoretically) infinitely long.
5709      */
5710     if (virtual_active())
5711 	PAST_LINE = 0;
5712 # endif
5713 #endif
5714 
5715     for (n = cap->count1; n > 0; --n)
5716     {
5717 	if ((!PAST_LINE && oneright() == FAIL)
5718 		|| (PAST_LINE && *ml_get_cursor() == NUL))
5719 	{
5720 	    /*
5721 	     *	  <Space> wraps to next line if 'whichwrap' has 's'.
5722 	     *	      'l' wraps to next line if 'whichwrap' has 'l'.
5723 	     * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5724 	     */
5725 	    if (       ((cap->cmdchar == ' '
5726 			    && vim_strchr(p_ww, 's') != NULL)
5727 			|| (cap->cmdchar == 'l'
5728 			    && vim_strchr(p_ww, 'l') != NULL)
5729 			|| (cap->cmdchar == K_RIGHT
5730 			    && vim_strchr(p_ww, '>') != NULL))
5731 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5732 	    {
5733 		/* When deleting we also count the NL as a character.
5734 		 * Set cap->oap->inclusive when last char in the line is
5735 		 * included, move to next line after that */
5736 		if (	   cap->oap->op_type != OP_NOP
5737 			&& !cap->oap->inclusive
5738 			&& !lineempty(curwin->w_cursor.lnum))
5739 		    cap->oap->inclusive = TRUE;
5740 		else
5741 		{
5742 		    ++curwin->w_cursor.lnum;
5743 		    curwin->w_cursor.col = 0;
5744 #ifdef FEAT_VIRTUALEDIT
5745 		    curwin->w_cursor.coladd = 0;
5746 #endif
5747 		    curwin->w_set_curswant = TRUE;
5748 		    cap->oap->inclusive = FALSE;
5749 		}
5750 		continue;
5751 	    }
5752 	    if (cap->oap->op_type == OP_NOP)
5753 	    {
5754 		/* Only beep and flush if not moved at all */
5755 		if (n == cap->count1)
5756 		    beep_flush();
5757 	    }
5758 	    else
5759 	    {
5760 		if (!lineempty(curwin->w_cursor.lnum))
5761 		    cap->oap->inclusive = TRUE;
5762 	    }
5763 	    break;
5764 	}
5765 #ifdef FEAT_VISUAL
5766 	else if (PAST_LINE)
5767 	{
5768 	    curwin->w_set_curswant = TRUE;
5769 # ifdef FEAT_VIRTUALEDIT
5770 	    if (virtual_active())
5771 		oneright();
5772 	    else
5773 # endif
5774 	    {
5775 # ifdef FEAT_MBYTE
5776 		if (has_mbyte)
5777 		    curwin->w_cursor.col +=
5778 					 (*mb_ptr2len)(ml_get_cursor());
5779 		else
5780 # endif
5781 		    ++curwin->w_cursor.col;
5782 	    }
5783 	}
5784 #endif
5785     }
5786 #ifdef FEAT_FOLDING
5787     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5788 					       && cap->oap->op_type == OP_NOP)
5789 	foldOpenCursor();
5790 #endif
5791 }
5792 
5793 /*
5794  * Cursor left commands.
5795  *
5796  * Returns TRUE when operator end should not be adjusted.
5797  */
5798     static void
5799 nv_left(cap)
5800     cmdarg_T	*cap;
5801 {
5802     long	n;
5803 
5804     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5805     {
5806 	/* <C-Left> and <S-Left> move a word or WORD left */
5807 	if (mod_mask & MOD_MASK_CTRL)
5808 	    cap->arg = 1;
5809 	nv_bck_word(cap);
5810 	return;
5811     }
5812 
5813     cap->oap->motion_type = MCHAR;
5814     cap->oap->inclusive = FALSE;
5815     for (n = cap->count1; n > 0; --n)
5816     {
5817 	if (oneleft() == FAIL)
5818 	{
5819 	    /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5820 	     *		 'h' wraps to previous line if 'whichwrap' has 'h'.
5821 	     *	   CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5822 	     */
5823 	    if (       (((cap->cmdchar == K_BS
5824 				|| cap->cmdchar == Ctrl_H)
5825 			    && vim_strchr(p_ww, 'b') != NULL)
5826 			|| (cap->cmdchar == 'h'
5827 			    && vim_strchr(p_ww, 'h') != NULL)
5828 			|| (cap->cmdchar == K_LEFT
5829 			    && vim_strchr(p_ww, '<') != NULL))
5830 		    && curwin->w_cursor.lnum > 1)
5831 	    {
5832 		--(curwin->w_cursor.lnum);
5833 		coladvance((colnr_T)MAXCOL);
5834 		curwin->w_set_curswant = TRUE;
5835 
5836 		/* When the NL before the first char has to be deleted we
5837 		 * put the cursor on the NUL after the previous line.
5838 		 * This is a very special case, be careful!
5839 		 * don't adjust op_end now, otherwise it won't work */
5840 		if (	   (cap->oap->op_type == OP_DELETE
5841 			    || cap->oap->op_type == OP_CHANGE)
5842 			&& !lineempty(curwin->w_cursor.lnum))
5843 		{
5844 		    ++curwin->w_cursor.col;
5845 		    cap->retval |= CA_NO_ADJ_OP_END;
5846 		}
5847 		continue;
5848 	    }
5849 	    /* Only beep and flush if not moved at all */
5850 	    else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5851 		beep_flush();
5852 	    break;
5853 	}
5854     }
5855 #ifdef FEAT_FOLDING
5856     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5857 					       && cap->oap->op_type == OP_NOP)
5858 	foldOpenCursor();
5859 #endif
5860 }
5861 
5862 /*
5863  * Cursor up commands.
5864  * cap->arg is TRUE for "-": Move cursor to first non-blank.
5865  */
5866     static void
5867 nv_up(cap)
5868     cmdarg_T	*cap;
5869 {
5870     if (mod_mask & MOD_MASK_SHIFT)
5871     {
5872 	/* <S-Up> is page up */
5873 	cap->arg = BACKWARD;
5874 	nv_page(cap);
5875     }
5876     else
5877     {
5878 	cap->oap->motion_type = MLINE;
5879 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5880 	    clearopbeep(cap->oap);
5881 	else if (cap->arg)
5882 	    beginline(BL_WHITE | BL_FIX);
5883     }
5884 }
5885 
5886 /*
5887  * Cursor down commands.
5888  * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5889  */
5890     static void
5891 nv_down(cap)
5892     cmdarg_T	*cap;
5893 {
5894     if (mod_mask & MOD_MASK_SHIFT)
5895     {
5896 	/* <S-Down> is page down */
5897 	cap->arg = FORWARD;
5898 	nv_page(cap);
5899     }
5900     else
5901 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
5902     /* In a quickfix window a <CR> jumps to the error under the cursor. */
5903     if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
5904 	if (curwin->w_llist_ref == NULL)
5905 	    do_cmdline_cmd((char_u *)".cc");	/* quickfix window */
5906 	else
5907 	    do_cmdline_cmd((char_u *)".ll");	/* location list window */
5908     else
5909 #endif
5910     {
5911 #ifdef FEAT_CMDWIN
5912 	/* In the cmdline window a <CR> executes the command. */
5913 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
5914 	    cmdwin_result = CAR;
5915 	else
5916 #endif
5917 	{
5918 	    cap->oap->motion_type = MLINE;
5919 	    if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5920 		clearopbeep(cap->oap);
5921 	    else if (cap->arg)
5922 		beginline(BL_WHITE | BL_FIX);
5923 	}
5924     }
5925 }
5926 
5927 #ifdef FEAT_SEARCHPATH
5928 /*
5929  * Grab the file name under the cursor and edit it.
5930  */
5931     static void
5932 nv_gotofile(cap)
5933     cmdarg_T	*cap;
5934 {
5935     char_u	*ptr;
5936     linenr_T	lnum = -1;
5937 
5938     if (text_locked())
5939     {
5940 	clearopbeep(cap->oap);
5941 	text_locked_msg();
5942 	return;
5943     }
5944 #ifdef FEAT_AUTOCMD
5945     if (curbuf_locked())
5946     {
5947 	clearop(cap->oap);
5948 	return;
5949     }
5950 #endif
5951 
5952     ptr = grab_file_name(cap->count1, &lnum);
5953 
5954     if (ptr != NULL)
5955     {
5956 	/* do autowrite if necessary */
5957 	if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
5958 	    autowrite(curbuf, FALSE);
5959 	setpcmark();
5960 	(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
5961 					       P_HID(curbuf) ? ECMD_HIDE : 0);
5962 	if (cap->nchar == 'F' && lnum >= 0)
5963 	{
5964 	    curwin->w_cursor.lnum = lnum;
5965 	    check_cursor_lnum();
5966 	    beginline(BL_SOL | BL_FIX);
5967 	}
5968 	vim_free(ptr);
5969     }
5970     else
5971 	clearop(cap->oap);
5972 }
5973 #endif
5974 
5975 /*
5976  * <End> command: to end of current line or last line.
5977  */
5978     static void
5979 nv_end(cap)
5980     cmdarg_T	*cap;
5981 {
5982     if (cap->arg || (mod_mask & MOD_MASK_CTRL))	/* CTRL-END = goto last line */
5983     {
5984 	cap->arg = TRUE;
5985 	nv_goto(cap);
5986 	cap->count1 = 1;		/* to end of current line */
5987     }
5988     nv_dollar(cap);
5989 }
5990 
5991 /*
5992  * Handle the "$" command.
5993  */
5994     static void
5995 nv_dollar(cap)
5996     cmdarg_T	*cap;
5997 {
5998     cap->oap->motion_type = MCHAR;
5999     cap->oap->inclusive = TRUE;
6000 #ifdef FEAT_VIRTUALEDIT
6001     /* In virtual mode when off the edge of a line and an operator
6002      * is pending (whew!) keep the cursor where it is.
6003      * Otherwise, send it to the end of the line. */
6004     if (!virtual_active() || gchar_cursor() != NUL
6005 					       || cap->oap->op_type == OP_NOP)
6006 #endif
6007 	curwin->w_curswant = MAXCOL;	/* so we stay at the end */
6008     if (cursor_down((long)(cap->count1 - 1),
6009 					 cap->oap->op_type == OP_NOP) == FAIL)
6010 	clearopbeep(cap->oap);
6011 #ifdef FEAT_FOLDING
6012     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6013 	foldOpenCursor();
6014 #endif
6015 }
6016 
6017 /*
6018  * Implementation of '?' and '/' commands.
6019  * If cap->arg is TRUE don't set PC mark.
6020  */
6021     static void
6022 nv_search(cap)
6023     cmdarg_T	    *cap;
6024 {
6025     oparg_T	*oap = cap->oap;
6026 
6027     if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6028     {
6029 	/* Translate "g??" to "g?g?" */
6030 	cap->cmdchar = 'g';
6031 	cap->nchar = '?';
6032 	nv_operator(cap);
6033 	return;
6034     }
6035 
6036     cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6037 
6038     if (cap->searchbuf == NULL)
6039     {
6040 	clearop(oap);
6041 	return;
6042     }
6043 
6044     normal_search(cap, cap->cmdchar, cap->searchbuf,
6045 						(cap->arg ? 0 : SEARCH_MARK));
6046 }
6047 
6048 /*
6049  * Handle "N" and "n" commands.
6050  * cap->arg is SEARCH_REV for "N", 0 for "n".
6051  */
6052     static void
6053 nv_next(cap)
6054     cmdarg_T	*cap;
6055 {
6056     normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6057 }
6058 
6059 /*
6060  * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6061  * Uses only cap->count1 and cap->oap from "cap".
6062  */
6063     static void
6064 normal_search(cap, dir, pat, opt)
6065     cmdarg_T	*cap;
6066     int		dir;
6067     char_u	*pat;
6068     int		opt;		/* extra flags for do_search() */
6069 {
6070     int		i;
6071 
6072     cap->oap->motion_type = MCHAR;
6073     cap->oap->inclusive = FALSE;
6074     cap->oap->use_reg_one = TRUE;
6075     curwin->w_set_curswant = TRUE;
6076 
6077     i = do_search(cap->oap, dir, pat, cap->count1,
6078 				 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG);
6079     if (i == 0)
6080 	clearop(cap->oap);
6081     else
6082     {
6083 	if (i == 2)
6084 	    cap->oap->motion_type = MLINE;
6085 #ifdef FEAT_VIRTUALEDIT
6086 	curwin->w_cursor.coladd = 0;
6087 #endif
6088 #ifdef FEAT_FOLDING
6089 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6090 	    foldOpenCursor();
6091 #endif
6092     }
6093 
6094     /* "/$" will put the cursor after the end of the line, may need to
6095      * correct that here */
6096     check_cursor();
6097 }
6098 
6099 /*
6100  * Character search commands.
6101  * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6102  * ',' and FALSE for ';'.
6103  * cap->nchar is NUL for ',' and ';' (repeat the search)
6104  */
6105     static void
6106 nv_csearch(cap)
6107     cmdarg_T	*cap;
6108 {
6109     int		t_cmd;
6110 
6111     if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6112 	t_cmd = TRUE;
6113     else
6114 	t_cmd = FALSE;
6115 
6116     cap->oap->motion_type = MCHAR;
6117     if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6118 	clearopbeep(cap->oap);
6119     else
6120     {
6121 	curwin->w_set_curswant = TRUE;
6122 #ifdef FEAT_VIRTUALEDIT
6123 	/* Include a Tab for "tx" and for "dfx". */
6124 	if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6125 		&& (t_cmd || cap->oap->op_type != OP_NOP))
6126 	{
6127 	    colnr_T	scol, ecol;
6128 
6129 	    getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6130 	    curwin->w_cursor.coladd = ecol - scol;
6131 	}
6132 	else
6133 	    curwin->w_cursor.coladd = 0;
6134 #endif
6135 #ifdef FEAT_VISUAL
6136 	adjust_for_sel(cap);
6137 #endif
6138 #ifdef FEAT_FOLDING
6139 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6140 	    foldOpenCursor();
6141 #endif
6142     }
6143 }
6144 
6145 /*
6146  * "[" and "]" commands.
6147  * cap->arg is BACKWARD for "[" and FORWARD for "]".
6148  */
6149     static void
6150 nv_brackets(cap)
6151     cmdarg_T	*cap;
6152 {
6153     pos_T	new_pos;
6154     pos_T	prev_pos;
6155     pos_T	*pos = NULL;	    /* init for GCC */
6156     pos_T	old_pos;	    /* cursor position before command */
6157     int		flag;
6158     long	n;
6159     int		findc;
6160     int		c;
6161 
6162     cap->oap->motion_type = MCHAR;
6163     cap->oap->inclusive = FALSE;
6164     old_pos = curwin->w_cursor;
6165 #ifdef FEAT_VIRTUALEDIT
6166     curwin->w_cursor.coladd = 0;	    /* TODO: don't do this for an error. */
6167 #endif
6168 
6169 #ifdef FEAT_SEARCHPATH
6170     /*
6171      * "[f" or "]f" : Edit file under the cursor (same as "gf")
6172      */
6173     if (cap->nchar == 'f')
6174 	nv_gotofile(cap);
6175     else
6176 #endif
6177 
6178 #ifdef FEAT_FIND_ID
6179     /*
6180      * Find the occurrence(s) of the identifier or define under cursor
6181      * in current and included files or jump to the first occurrence.
6182      *
6183      *			search	     list	    jump
6184      *		      fwd   bwd    fwd	 bwd	 fwd	bwd
6185      * identifier     "]i"  "[i"   "]I"  "[I"	"]^I"  "[^I"
6186      * define	      "]d"  "[d"   "]D"  "[D"	"]^D"  "[^D"
6187      */
6188     if (vim_strchr((char_u *)
6189 #ifdef EBCDIC
6190 		"iI\005dD\067",
6191 #else
6192 		"iI\011dD\004",
6193 #endif
6194 		cap->nchar) != NULL)
6195     {
6196 	char_u	*ptr;
6197 	int	len;
6198 
6199 	if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6200 	    clearop(cap->oap);
6201 	else
6202 	{
6203 	    find_pattern_in_path(ptr, 0, len, TRUE,
6204 		cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6205 		((cap->nchar & 0xf) == ('d' & 0xf)) ?  FIND_DEFINE : FIND_ANY,
6206 		cap->count1,
6207 		isupper(cap->nchar) ? ACTION_SHOW_ALL :
6208 			    islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6209 		cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6210 		(linenr_T)MAXLNUM);
6211 	    curwin->w_set_curswant = TRUE;
6212 	}
6213     }
6214     else
6215 #endif
6216 
6217     /*
6218      * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6219      * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6220      * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6221      * "[m" or "]m" search for prev/next start of (Java) method.
6222      * "[M" or "]M" search for prev/next end of (Java) method.
6223      */
6224     if (  (cap->cmdchar == '['
6225 		&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6226 	    || (cap->cmdchar == ']'
6227 		&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6228     {
6229 	if (cap->nchar == '*')
6230 	    cap->nchar = '/';
6231 	new_pos.lnum = 0;
6232 	prev_pos.lnum = 0;
6233 	if (cap->nchar == 'm' || cap->nchar == 'M')
6234 	{
6235 	    if (cap->cmdchar == '[')
6236 		findc = '{';
6237 	    else
6238 		findc = '}';
6239 	    n = 9999;
6240 	}
6241 	else
6242 	{
6243 	    findc = cap->nchar;
6244 	    n = cap->count1;
6245 	}
6246 	for ( ; n > 0; --n)
6247 	{
6248 	    if ((pos = findmatchlimit(cap->oap, findc,
6249 		(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6250 	    {
6251 		if (new_pos.lnum == 0)	/* nothing found */
6252 		{
6253 		    if (cap->nchar != 'm' && cap->nchar != 'M')
6254 			clearopbeep(cap->oap);
6255 		}
6256 		else
6257 		    pos = &new_pos;	/* use last one found */
6258 		break;
6259 	    }
6260 	    prev_pos = new_pos;
6261 	    curwin->w_cursor = *pos;
6262 	    new_pos = *pos;
6263 	}
6264 	curwin->w_cursor = old_pos;
6265 
6266 	/*
6267 	 * Handle "[m", "]m", "[M" and "[M".  The findmatchlimit() only
6268 	 * brought us to the match for "[m" and "]M" when inside a method.
6269 	 * Try finding the '{' or '}' we want to be at.
6270 	 * Also repeat for the given count.
6271 	 */
6272 	if (cap->nchar == 'm' || cap->nchar == 'M')
6273 	{
6274 	    /* norm is TRUE for "]M" and "[m" */
6275 	    int	    norm = ((findc == '{') == (cap->nchar == 'm'));
6276 
6277 	    n = cap->count1;
6278 	    /* found a match: we were inside a method */
6279 	    if (prev_pos.lnum != 0)
6280 	    {
6281 		pos = &prev_pos;
6282 		curwin->w_cursor = prev_pos;
6283 		if (norm)
6284 		    --n;
6285 	    }
6286 	    else
6287 		pos = NULL;
6288 	    while (n > 0)
6289 	    {
6290 		for (;;)
6291 		{
6292 		    if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6293 		    {
6294 			/* if not found anything, that's an error */
6295 			if (pos == NULL)
6296 			    clearopbeep(cap->oap);
6297 			n = 0;
6298 			break;
6299 		    }
6300 		    c = gchar_cursor();
6301 		    if (c == '{' || c == '}')
6302 		    {
6303 			/* Must have found end/start of class: use it.
6304 			 * Or found the place to be at. */
6305 			if ((c == findc && norm) || (n == 1 && !norm))
6306 			{
6307 			    new_pos = curwin->w_cursor;
6308 			    pos = &new_pos;
6309 			    n = 0;
6310 			}
6311 			/* if no match found at all, we started outside of the
6312 			 * class and we're inside now.  Just go on. */
6313 			else if (new_pos.lnum == 0)
6314 			{
6315 			    new_pos = curwin->w_cursor;
6316 			    pos = &new_pos;
6317 			}
6318 			/* found start/end of other method: go to match */
6319 			else if ((pos = findmatchlimit(cap->oap, findc,
6320 			    (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6321 								  0)) == NULL)
6322 			    n = 0;
6323 			else
6324 			    curwin->w_cursor = *pos;
6325 			break;
6326 		    }
6327 		}
6328 		--n;
6329 	    }
6330 	    curwin->w_cursor = old_pos;
6331 	    if (pos == NULL && new_pos.lnum != 0)
6332 		clearopbeep(cap->oap);
6333 	}
6334 	if (pos != NULL)
6335 	{
6336 	    setpcmark();
6337 	    curwin->w_cursor = *pos;
6338 	    curwin->w_set_curswant = TRUE;
6339 #ifdef FEAT_FOLDING
6340 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped
6341 					       && cap->oap->op_type == OP_NOP)
6342 		foldOpenCursor();
6343 #endif
6344 	}
6345     }
6346 
6347     /*
6348      * "[[", "[]", "]]" and "][": move to start or end of function
6349      */
6350     else if (cap->nchar == '[' || cap->nchar == ']')
6351     {
6352 	if (cap->nchar == cap->cmdchar)		    /* "]]" or "[[" */
6353 	    flag = '{';
6354 	else
6355 	    flag = '}';		    /* "][" or "[]" */
6356 
6357 	curwin->w_set_curswant = TRUE;
6358 	/*
6359 	 * Imitate strange Vi behaviour: When using "]]" with an operator
6360 	 * we also stop at '}'.
6361 	 */
6362 	if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6363 	      (cap->oap->op_type != OP_NOP
6364 				      && cap->arg == FORWARD && flag == '{')))
6365 	    clearopbeep(cap->oap);
6366 	else
6367 	{
6368 	    if (cap->oap->op_type == OP_NOP)
6369 		beginline(BL_WHITE | BL_FIX);
6370 #ifdef FEAT_FOLDING
6371 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6372 		foldOpenCursor();
6373 #endif
6374 	}
6375     }
6376 
6377     /*
6378      * "[p", "[P", "]P" and "]p": put with indent adjustment
6379      */
6380     else if (cap->nchar == 'p' || cap->nchar == 'P')
6381     {
6382 	if (!checkclearopq(cap->oap))
6383 	{
6384 	    prep_redo_cmd(cap);
6385 	    do_put(cap->oap->regname,
6386 	      (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6387 						  cap->count1, PUT_FIXINDENT);
6388 	}
6389     }
6390 
6391     /*
6392      * "['", "[`", "]'" and "]`": jump to next mark
6393      */
6394     else if (cap->nchar == '\'' || cap->nchar == '`')
6395     {
6396 	pos = &curwin->w_cursor;
6397 	for (n = cap->count1; n > 0; --n)
6398 	{
6399 	    prev_pos = *pos;
6400 	    pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6401 							  cap->nchar == '\'');
6402 	    if (pos == NULL)
6403 		break;
6404 	}
6405 	if (pos == NULL)
6406 	    pos = &prev_pos;
6407 	nv_cursormark(cap, cap->nchar == '\'', pos);
6408     }
6409 
6410 #ifdef FEAT_MOUSE
6411     /*
6412      * [ or ] followed by a middle mouse click: put selected text with
6413      * indent adjustment.  Any other button just does as usual.
6414      */
6415     else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
6416     {
6417 	(void)do_mouse(cap->oap, cap->nchar,
6418 		       (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6419 		       cap->count1, PUT_FIXINDENT);
6420     }
6421 #endif /* FEAT_MOUSE */
6422 
6423 #ifdef FEAT_FOLDING
6424     /*
6425      * "[z" and "]z": move to start or end of open fold.
6426      */
6427     else if (cap->nchar == 'z')
6428     {
6429 	if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6430 							 cap->count1) == FAIL)
6431 	    clearopbeep(cap->oap);
6432     }
6433 #endif
6434 
6435 #ifdef FEAT_DIFF
6436     /*
6437      * "[c" and "]c": move to next or previous diff-change.
6438      */
6439     else if (cap->nchar == 'c')
6440     {
6441 	if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6442 							 cap->count1) == FAIL)
6443 	    clearopbeep(cap->oap);
6444     }
6445 #endif
6446 
6447 #ifdef FEAT_SPELL
6448     /*
6449      * "[s", "[S", "]s" and "]S": move to next spell error.
6450      */
6451     else if (cap->nchar == 's' || cap->nchar == 'S')
6452     {
6453 	setpcmark();
6454 	for (n = 0; n < cap->count1; ++n)
6455 	    if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6456 			  cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6457 	    {
6458 		clearopbeep(cap->oap);
6459 		break;
6460 	    }
6461 # ifdef FEAT_FOLDING
6462 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6463 	    foldOpenCursor();
6464 # endif
6465     }
6466 #endif
6467 
6468     /* Not a valid cap->nchar. */
6469     else
6470 	clearopbeep(cap->oap);
6471 }
6472 
6473 /*
6474  * Handle Normal mode "%" command.
6475  */
6476     static void
6477 nv_percent(cap)
6478     cmdarg_T	*cap;
6479 {
6480     pos_T	*pos;
6481 #ifdef FEAT_FOLDING
6482     linenr_T	lnum = curwin->w_cursor.lnum;
6483 #endif
6484 
6485     cap->oap->inclusive = TRUE;
6486     if (cap->count0)	    /* {cnt}% : goto {cnt} percentage in file */
6487     {
6488 	if (cap->count0 > 100)
6489 	    clearopbeep(cap->oap);
6490 	else
6491 	{
6492 	    cap->oap->motion_type = MLINE;
6493 	    setpcmark();
6494 	    /* Round up, so CTRL-G will give same value.  Watch out for a
6495 	     * large line count, the line number must not go negative! */
6496 	    if (curbuf->b_ml.ml_line_count > 1000000)
6497 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6498 							 / 100L * cap->count0;
6499 	    else
6500 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6501 						    cap->count0 + 99L) / 100L;
6502 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6503 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6504 	    beginline(BL_SOL | BL_FIX);
6505 	}
6506     }
6507     else		    /* "%" : go to matching paren */
6508     {
6509 	cap->oap->motion_type = MCHAR;
6510 	cap->oap->use_reg_one = TRUE;
6511 	if ((pos = findmatch(cap->oap, NUL)) == NULL)
6512 	    clearopbeep(cap->oap);
6513 	else
6514 	{
6515 	    setpcmark();
6516 	    curwin->w_cursor = *pos;
6517 	    curwin->w_set_curswant = TRUE;
6518 #ifdef FEAT_VIRTUALEDIT
6519 	    curwin->w_cursor.coladd = 0;
6520 #endif
6521 #ifdef FEAT_VISUAL
6522 	    adjust_for_sel(cap);
6523 #endif
6524 	}
6525     }
6526 #ifdef FEAT_FOLDING
6527     if (cap->oap->op_type == OP_NOP
6528 	    && lnum != curwin->w_cursor.lnum
6529 	    && (fdo_flags & FDO_PERCENT)
6530 	    && KeyTyped)
6531 	foldOpenCursor();
6532 #endif
6533 }
6534 
6535 /*
6536  * Handle "(" and ")" commands.
6537  * cap->arg is BACKWARD for "(" and FORWARD for ")".
6538  */
6539     static void
6540 nv_brace(cap)
6541     cmdarg_T	*cap;
6542 {
6543     cap->oap->motion_type = MCHAR;
6544     cap->oap->use_reg_one = TRUE;
6545     /* The motion used to be inclusive for "(", but that is not what Vi does. */
6546     cap->oap->inclusive = FALSE;
6547     curwin->w_set_curswant = TRUE;
6548 
6549     if (findsent(cap->arg, cap->count1) == FAIL)
6550 	clearopbeep(cap->oap);
6551     else
6552     {
6553 #ifdef FEAT_VIRTUALEDIT
6554 	curwin->w_cursor.coladd = 0;
6555 #endif
6556 #ifdef FEAT_FOLDING
6557 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6558 	    foldOpenCursor();
6559 #endif
6560     }
6561 }
6562 
6563 /*
6564  * "m" command: Mark a position.
6565  */
6566     static void
6567 nv_mark(cap)
6568     cmdarg_T	*cap;
6569 {
6570     if (!checkclearop(cap->oap))
6571     {
6572 	if (setmark(cap->nchar) == FAIL)
6573 	    clearopbeep(cap->oap);
6574     }
6575 }
6576 
6577 /*
6578  * "{" and "}" commands.
6579  * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6580  */
6581     static void
6582 nv_findpar(cap)
6583     cmdarg_T	*cap;
6584 {
6585     cap->oap->motion_type = MCHAR;
6586     cap->oap->inclusive = FALSE;
6587     cap->oap->use_reg_one = TRUE;
6588     curwin->w_set_curswant = TRUE;
6589     if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6590 	clearopbeep(cap->oap);
6591     else
6592     {
6593 #ifdef FEAT_VIRTUALEDIT
6594 	curwin->w_cursor.coladd = 0;
6595 #endif
6596 #ifdef FEAT_FOLDING
6597 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6598 	    foldOpenCursor();
6599 #endif
6600     }
6601 }
6602 
6603 /*
6604  * "u" command: Undo or make lower case.
6605  */
6606     static void
6607 nv_undo(cap)
6608     cmdarg_T	*cap;
6609 {
6610     if (cap->oap->op_type == OP_LOWER
6611 #ifdef FEAT_VISUAL
6612 	    || VIsual_active
6613 #endif
6614 	    )
6615     {
6616 	/* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6617 	cap->cmdchar = 'g';
6618 	cap->nchar = 'u';
6619 	nv_operator(cap);
6620     }
6621     else
6622 	nv_kundo(cap);
6623 }
6624 
6625 /*
6626  * <Undo> command.
6627  */
6628     static void
6629 nv_kundo(cap)
6630     cmdarg_T	*cap;
6631 {
6632     if (!checkclearopq(cap->oap))
6633     {
6634 	u_undo((int)cap->count1);
6635 	curwin->w_set_curswant = TRUE;
6636     }
6637 }
6638 
6639 /*
6640  * Handle the "r" command.
6641  */
6642     static void
6643 nv_replace(cap)
6644     cmdarg_T	*cap;
6645 {
6646     char_u	*ptr;
6647     int		had_ctrl_v;
6648     long	n;
6649 
6650     if (checkclearop(cap->oap))
6651 	return;
6652 
6653     /* get another character */
6654     if (cap->nchar == Ctrl_V)
6655     {
6656 	had_ctrl_v = Ctrl_V;
6657 	cap->nchar = get_literal();
6658 	/* Don't redo a multibyte character with CTRL-V. */
6659 	if (cap->nchar > DEL)
6660 	    had_ctrl_v = NUL;
6661     }
6662     else
6663 	had_ctrl_v = NUL;
6664 
6665 #ifdef FEAT_VISUAL
6666     /* Visual mode "r" */
6667     if (VIsual_active)
6668     {
6669 	nv_operator(cap);
6670 	return;
6671     }
6672 #endif
6673 
6674 #ifdef FEAT_VIRTUALEDIT
6675     /* Break tabs, etc. */
6676     if (virtual_active())
6677     {
6678 	if (u_save_cursor() == FAIL)
6679 	    return;
6680 	if (gchar_cursor() == NUL)
6681 	{
6682 	    /* Add extra space and put the cursor on the first one. */
6683 	    coladvance_force((colnr_T)(getviscol() + cap->count1));
6684 	    curwin->w_cursor.col -= cap->count1;
6685 	}
6686 	else if (gchar_cursor() == TAB)
6687 	    coladvance_force(getviscol());
6688     }
6689 #endif
6690 
6691     /*
6692      * Check for a special key or not enough characters to replace.
6693      */
6694     ptr = ml_get_cursor();
6695     if (IS_SPECIAL(cap->nchar) || STRLEN(ptr) < (unsigned)cap->count1
6696 #ifdef FEAT_MBYTE
6697 	    || (has_mbyte && mb_charlen(ptr) < cap->count1)
6698 #endif
6699 	    )
6700     {
6701 	clearopbeep(cap->oap);
6702 	return;
6703     }
6704 
6705     /*
6706      * Replacing with a TAB is done by edit() when it is complicated because
6707      * 'expandtab' or 'smarttab' is set.  CTRL-V TAB inserts a literal TAB.
6708      * Other characters are done below to avoid problems with things like
6709      * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6710      */
6711     if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6712     {
6713 	stuffnumReadbuff(cap->count1);
6714 	stuffcharReadbuff('R');
6715 	stuffcharReadbuff('\t');
6716 	stuffcharReadbuff(ESC);
6717 	return;
6718     }
6719 
6720     /* save line for undo */
6721     if (u_save_cursor() == FAIL)
6722 	return;
6723 
6724     if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6725     {
6726 	/*
6727 	 * Replace character(s) by a single newline.
6728 	 * Strange vi behaviour: Only one newline is inserted.
6729 	 * Delete the characters here.
6730 	 * Insert the newline with an insert command, takes care of
6731 	 * autoindent.	The insert command depends on being on the last
6732 	 * character of a line or not.
6733 	 */
6734 #ifdef FEAT_MBYTE
6735 	(void)del_chars(cap->count1, FALSE);	/* delete the characters */
6736 #else
6737 	(void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6738 #endif
6739 	stuffcharReadbuff('\r');
6740 	stuffcharReadbuff(ESC);
6741 
6742 	/* Give 'r' to edit(), to get the redo command right. */
6743 	invoke_edit(cap, TRUE, 'r', FALSE);
6744     }
6745     else
6746     {
6747 	prep_redo(cap->oap->regname, cap->count1,
6748 				       NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6749 
6750 	curbuf->b_op_start = curwin->w_cursor;
6751 #ifdef FEAT_MBYTE
6752 	if (has_mbyte)
6753 	{
6754 	    int		old_State = State;
6755 
6756 	    if (cap->ncharC1 != 0)
6757 		AppendCharToRedobuff(cap->ncharC1);
6758 	    if (cap->ncharC2 != 0)
6759 		AppendCharToRedobuff(cap->ncharC2);
6760 
6761 	    /* This is slow, but it handles replacing a single-byte with a
6762 	     * multi-byte and the other way around.  Also handles adding
6763 	     * composing characters for utf-8. */
6764 	    for (n = cap->count1; n > 0; --n)
6765 	    {
6766 		State = REPLACE;
6767 		ins_char(cap->nchar);
6768 		State = old_State;
6769 		if (cap->ncharC1 != 0)
6770 		    ins_char(cap->ncharC1);
6771 		if (cap->ncharC2 != 0)
6772 		    ins_char(cap->ncharC2);
6773 	    }
6774 	}
6775 	else
6776 #endif
6777 	{
6778 	    /*
6779 	     * Replace the characters within one line.
6780 	     */
6781 	    for (n = cap->count1; n > 0; --n)
6782 	    {
6783 		/*
6784 		 * Get ptr again, because u_save and/or showmatch() will have
6785 		 * released the line.  At the same time we let know that the
6786 		 * line will be changed.
6787 		 */
6788 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6789 		ptr[curwin->w_cursor.col] = cap->nchar;
6790 		if (p_sm && msg_silent == 0)
6791 		    showmatch(cap->nchar);
6792 		++curwin->w_cursor.col;
6793 	    }
6794 #ifdef FEAT_NETBEANS_INTG
6795 	    if (usingNetbeans)
6796 	    {
6797 		colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6798 
6799 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
6800 							    (long)cap->count1);
6801 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6802 					       &ptr[start], (int)cap->count1);
6803 	    }
6804 #endif
6805 
6806 	    /* mark the buffer as changed and prepare for displaying */
6807 	    changed_bytes(curwin->w_cursor.lnum,
6808 			       (colnr_T)(curwin->w_cursor.col - cap->count1));
6809 	}
6810 	--curwin->w_cursor.col;	    /* cursor on the last replaced char */
6811 #ifdef FEAT_MBYTE
6812 	/* if the character on the left of the current cursor is a multi-byte
6813 	 * character, move two characters left */
6814 	if (has_mbyte)
6815 	    mb_adjust_cursor();
6816 #endif
6817 	curbuf->b_op_end = curwin->w_cursor;
6818 	curwin->w_set_curswant = TRUE;
6819 	set_last_insert(cap->nchar);
6820     }
6821 }
6822 
6823 #ifdef FEAT_VISUAL
6824 /*
6825  * 'o': Exchange start and end of Visual area.
6826  * 'O': same, but in block mode exchange left and right corners.
6827  */
6828     static void
6829 v_swap_corners(cmdchar)
6830     int		cmdchar;
6831 {
6832     pos_T	old_cursor;
6833     colnr_T	left, right;
6834 
6835     if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6836     {
6837 	old_cursor = curwin->w_cursor;
6838 	getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6839 	curwin->w_cursor.lnum = VIsual.lnum;
6840 	coladvance(left);
6841 	VIsual = curwin->w_cursor;
6842 
6843 	curwin->w_cursor.lnum = old_cursor.lnum;
6844 	curwin->w_curswant = right;
6845 	/* 'selection "exclusive" and cursor at right-bottom corner: move it
6846 	 * right one column */
6847 	if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6848 	    ++curwin->w_curswant;
6849 	coladvance(curwin->w_curswant);
6850 	if (curwin->w_cursor.col == old_cursor.col
6851 #ifdef FEAT_VIRTUALEDIT
6852 		&& (!virtual_active()
6853 		    || curwin->w_cursor.coladd == old_cursor.coladd)
6854 #endif
6855 		)
6856 	{
6857 	    curwin->w_cursor.lnum = VIsual.lnum;
6858 	    if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6859 		++right;
6860 	    coladvance(right);
6861 	    VIsual = curwin->w_cursor;
6862 
6863 	    curwin->w_cursor.lnum = old_cursor.lnum;
6864 	    coladvance(left);
6865 	    curwin->w_curswant = left;
6866 	}
6867     }
6868     else
6869     {
6870 	old_cursor = curwin->w_cursor;
6871 	curwin->w_cursor = VIsual;
6872 	VIsual = old_cursor;
6873 	curwin->w_set_curswant = TRUE;
6874     }
6875 }
6876 #endif /* FEAT_VISUAL */
6877 
6878 /*
6879  * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6880  */
6881     static void
6882 nv_Replace(cap)
6883     cmdarg_T	    *cap;
6884 {
6885 #ifdef FEAT_VISUAL
6886     if (VIsual_active)		/* "R" is replace lines */
6887     {
6888 	cap->cmdchar = 'c';
6889 	cap->nchar = NUL;
6890 	VIsual_mode = 'V';
6891 	nv_operator(cap);
6892     }
6893     else
6894 #endif
6895 	if (!checkclearopq(cap->oap))
6896     {
6897 	if (!curbuf->b_p_ma)
6898 	    EMSG(_(e_modifiable));
6899 	else
6900 	{
6901 #ifdef FEAT_VIRTUALEDIT
6902 	    if (virtual_active())
6903 		coladvance(getviscol());
6904 #endif
6905 	    invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
6906 	}
6907     }
6908 }
6909 
6910 #ifdef FEAT_VREPLACE
6911 /*
6912  * "gr".
6913  */
6914     static void
6915 nv_vreplace(cap)
6916     cmdarg_T	*cap;
6917 {
6918 # ifdef FEAT_VISUAL
6919     if (VIsual_active)
6920     {
6921 	cap->cmdchar = 'r';
6922 	cap->nchar = cap->extra_char;
6923 	nv_replace(cap);	/* Do same as "r" in Visual mode for now */
6924     }
6925     else
6926 # endif
6927 	if (!checkclearopq(cap->oap))
6928     {
6929 	if (!curbuf->b_p_ma)
6930 	    EMSG(_(e_modifiable));
6931 	else
6932 	{
6933 	    if (cap->extra_char == Ctrl_V)	/* get another character */
6934 		cap->extra_char = get_literal();
6935 	    stuffcharReadbuff(cap->extra_char);
6936 	    stuffcharReadbuff(ESC);
6937 # ifdef FEAT_VIRTUALEDIT
6938 	    if (virtual_active())
6939 		coladvance(getviscol());
6940 # endif
6941 	    invoke_edit(cap, TRUE, 'v', FALSE);
6942 	}
6943     }
6944 }
6945 #endif
6946 
6947 /*
6948  * Swap case for "~" command, when it does not work like an operator.
6949  */
6950     static void
6951 n_swapchar(cap)
6952     cmdarg_T	*cap;
6953 {
6954     long	n;
6955     pos_T	startpos;
6956     int		did_change = 0;
6957 #ifdef FEAT_NETBEANS_INTG
6958     pos_T	pos;
6959     char_u	*ptr;
6960     int		count;
6961 #endif
6962 
6963     if (checkclearopq(cap->oap))
6964 	return;
6965 
6966     if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
6967     {
6968 	clearopbeep(cap->oap);
6969 	return;
6970     }
6971 
6972     prep_redo_cmd(cap);
6973 
6974     if (u_save_cursor() == FAIL)
6975 	return;
6976 
6977     startpos = curwin->w_cursor;
6978 #ifdef FEAT_NETBEANS_INTG
6979     pos = startpos;
6980 #endif
6981     for (n = cap->count1; n > 0; --n)
6982     {
6983 	did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
6984 	inc_cursor();
6985 	if (gchar_cursor() == NUL)
6986 	{
6987 	    if (vim_strchr(p_ww, '~') != NULL
6988 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
6989 	    {
6990 #ifdef FEAT_NETBEANS_INTG
6991 		if (usingNetbeans)
6992 		{
6993 		    if (did_change)
6994 		    {
6995 			ptr = ml_get(pos.lnum);
6996 			count = (int)STRLEN(ptr) - pos.col;
6997 			netbeans_removed(curbuf, pos.lnum, pos.col,
6998 								 (long)count);
6999 			netbeans_inserted(curbuf, pos.lnum, pos.col,
7000 							&ptr[pos.col], count);
7001 		    }
7002 		    pos.col = 0;
7003 		    pos.lnum++;
7004 		}
7005 #endif
7006 		++curwin->w_cursor.lnum;
7007 		curwin->w_cursor.col = 0;
7008 		if (n > 1)
7009 		{
7010 		    if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7011 			break;
7012 		    u_clearline();
7013 		}
7014 	    }
7015 	    else
7016 		break;
7017 	}
7018     }
7019 #ifdef FEAT_NETBEANS_INTG
7020     if (did_change && usingNetbeans)
7021     {
7022 	ptr = ml_get(pos.lnum);
7023 	count = curwin->w_cursor.col - pos.col;
7024 	netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7025 	netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7026     }
7027 #endif
7028 
7029 
7030     check_cursor();
7031     curwin->w_set_curswant = TRUE;
7032     if (did_change)
7033     {
7034 	changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7035 									  0L);
7036 	curbuf->b_op_start = startpos;
7037 	curbuf->b_op_end = curwin->w_cursor;
7038 	if (curbuf->b_op_end.col > 0)
7039 	    --curbuf->b_op_end.col;
7040     }
7041 }
7042 
7043 /*
7044  * Move cursor to mark.
7045  */
7046     static void
7047 nv_cursormark(cap, flag, pos)
7048     cmdarg_T	*cap;
7049     int		flag;
7050     pos_T	*pos;
7051 {
7052     if (check_mark(pos) == FAIL)
7053 	clearop(cap->oap);
7054     else
7055     {
7056 	if (cap->cmdchar == '\''
7057 		|| cap->cmdchar == '`'
7058 		|| cap->cmdchar == '['
7059 		|| cap->cmdchar == ']')
7060 	    setpcmark();
7061 	curwin->w_cursor = *pos;
7062 	if (flag)
7063 	    beginline(BL_WHITE | BL_FIX);
7064 	else
7065 	    check_cursor();
7066     }
7067     cap->oap->motion_type = flag ? MLINE : MCHAR;
7068     if (cap->cmdchar == '`')
7069 	cap->oap->use_reg_one = TRUE;
7070     cap->oap->inclusive = FALSE;		/* ignored if not MCHAR */
7071     curwin->w_set_curswant = TRUE;
7072 }
7073 
7074 #ifdef FEAT_VISUAL
7075 /*
7076  * Handle commands that are operators in Visual mode.
7077  */
7078     static void
7079 v_visop(cap)
7080     cmdarg_T	*cap;
7081 {
7082     static char_u trans[] = "YyDdCcxdXdAAIIrr";
7083 
7084     /* Uppercase means linewise, except in block mode, then "D" deletes till
7085      * the end of the line, and "C" replaces til EOL */
7086     if (isupper(cap->cmdchar))
7087     {
7088 	if (VIsual_mode != Ctrl_V)
7089 	    VIsual_mode = 'V';
7090 	else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7091 	    curwin->w_curswant = MAXCOL;
7092     }
7093     cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7094     nv_operator(cap);
7095 }
7096 #endif
7097 
7098 /*
7099  * "s" and "S" commands.
7100  */
7101     static void
7102 nv_subst(cap)
7103     cmdarg_T	*cap;
7104 {
7105 #ifdef FEAT_VISUAL
7106     if (VIsual_active)	/* "vs" and "vS" are the same as "vc" */
7107     {
7108 	if (cap->cmdchar == 'S')
7109 	    VIsual_mode = 'V';
7110 	cap->cmdchar = 'c';
7111 	nv_operator(cap);
7112     }
7113     else
7114 #endif
7115 	nv_optrans(cap);
7116 }
7117 
7118 /*
7119  * Abbreviated commands.
7120  */
7121     static void
7122 nv_abbrev(cap)
7123     cmdarg_T	*cap;
7124 {
7125     if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7126 	cap->cmdchar = 'x';		/* DEL key behaves like 'x' */
7127 
7128 #ifdef FEAT_VISUAL
7129     /* in Visual mode these commands are operators */
7130     if (VIsual_active)
7131 	v_visop(cap);
7132     else
7133 #endif
7134 	nv_optrans(cap);
7135 }
7136 
7137 /*
7138  * Translate a command into another command.
7139  */
7140     static void
7141 nv_optrans(cap)
7142     cmdarg_T	*cap;
7143 {
7144     static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7145 			      (char_u *)"d$", (char_u *)"c$",
7146 			      (char_u *)"cl", (char_u *)"cc",
7147 			      (char_u *)"yy", (char_u *)":s\r"};
7148     static char_u *str = (char_u *)"xXDCsSY&";
7149 
7150     if (!checkclearopq(cap->oap))
7151     {
7152 	/* In Vi "2D" doesn't delete the next line.  Can't translate it
7153 	 * either, because "2." should also not use the count. */
7154 	if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7155 	{
7156 	    cap->oap->start = curwin->w_cursor;
7157 	    cap->oap->op_type = OP_DELETE;
7158 	    cap->count1 = 1;
7159 	    nv_dollar(cap);
7160 	    finish_op = TRUE;
7161 	    ResetRedobuff();
7162 	    AppendCharToRedobuff('D');
7163 	}
7164 	else
7165 	{
7166 	    if (cap->count0)
7167 		stuffnumReadbuff(cap->count0);
7168 	    stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7169 	}
7170     }
7171     cap->opcount = 0;
7172 }
7173 
7174 /*
7175  * "'" and "`" commands.  Also for "g'" and "g`".
7176  * cap->arg is TRUE for "'" and "g'".
7177  */
7178     static void
7179 nv_gomark(cap)
7180     cmdarg_T	*cap;
7181 {
7182     pos_T	*pos;
7183     int		c;
7184 #ifdef FEAT_FOLDING
7185     linenr_T	lnum = curwin->w_cursor.lnum;
7186     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7187 #endif
7188 
7189     if (cap->cmdchar == 'g')
7190 	c = cap->extra_char;
7191     else
7192 	c = cap->nchar;
7193     pos = getmark(c, (cap->oap->op_type == OP_NOP));
7194     if (pos == (pos_T *)-1)	    /* jumped to other file */
7195     {
7196 	if (cap->arg)
7197 	{
7198 	    check_cursor_lnum();
7199 	    beginline(BL_WHITE | BL_FIX);
7200 	}
7201 	else
7202 	    check_cursor();
7203     }
7204     else
7205 	nv_cursormark(cap, cap->arg, pos);
7206 
7207 #ifdef FEAT_VIRTUALEDIT
7208     /* May need to clear the coladd that a mark includes. */
7209     if (!virtual_active())
7210 	curwin->w_cursor.coladd = 0;
7211 #endif
7212 #ifdef FEAT_FOLDING
7213     if (cap->oap->op_type == OP_NOP
7214 	    && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7215 	    && (fdo_flags & FDO_MARK)
7216 	    && old_KeyTyped)
7217 	foldOpenCursor();
7218 #endif
7219 }
7220 
7221 /*
7222  * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7223  */
7224     static void
7225 nv_pcmark(cap)
7226     cmdarg_T	*cap;
7227 {
7228 #ifdef FEAT_JUMPLIST
7229     pos_T	*pos;
7230 # ifdef FEAT_FOLDING
7231     linenr_T	lnum = curwin->w_cursor.lnum;
7232     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7233 # endif
7234 
7235     if (!checkclearopq(cap->oap))
7236     {
7237 	if (cap->cmdchar == 'g')
7238 	    pos = movechangelist((int)cap->count1);
7239 	else
7240 	    pos = movemark((int)cap->count1);
7241 	if (pos == (pos_T *)-1)		/* jump to other file */
7242 	{
7243 	    curwin->w_set_curswant = TRUE;
7244 	    check_cursor();
7245 	}
7246 	else if (pos != NULL)		    /* can jump */
7247 	    nv_cursormark(cap, FALSE, pos);
7248 	else if (cap->cmdchar == 'g')
7249 	{
7250 	    if (curbuf->b_changelistlen == 0)
7251 		EMSG(_("E664: changelist is empty"));
7252 	    else if (cap->count1 < 0)
7253 		EMSG(_("E662: At start of changelist"));
7254 	    else
7255 		EMSG(_("E663: At end of changelist"));
7256 	}
7257 	else
7258 	    clearopbeep(cap->oap);
7259 # ifdef FEAT_FOLDING
7260 	if (cap->oap->op_type == OP_NOP
7261 		&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7262 		&& (fdo_flags & FDO_MARK)
7263 		&& old_KeyTyped)
7264 	    foldOpenCursor();
7265 # endif
7266     }
7267 #else
7268     clearopbeep(cap->oap);
7269 #endif
7270 }
7271 
7272 /*
7273  * Handle '"' command.
7274  */
7275     static void
7276 nv_regname(cap)
7277     cmdarg_T	*cap;
7278 {
7279     if (checkclearop(cap->oap))
7280 	return;
7281 #ifdef FEAT_EVAL
7282     if (cap->nchar == '=')
7283 	cap->nchar = get_expr_register();
7284 #endif
7285     if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7286     {
7287 	cap->oap->regname = cap->nchar;
7288 	cap->opcount = cap->count0;	/* remember count before '"' */
7289 #ifdef FEAT_EVAL
7290 	set_reg_var(cap->oap->regname);
7291 #endif
7292     }
7293     else
7294 	clearopbeep(cap->oap);
7295 }
7296 
7297 #ifdef FEAT_VISUAL
7298 /*
7299  * Handle "v", "V" and "CTRL-V" commands.
7300  * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7301  * is TRUE.
7302  * Handle CTRL-Q just like CTRL-V.
7303  */
7304     static void
7305 nv_visual(cap)
7306     cmdarg_T	*cap;
7307 {
7308     if (cap->cmdchar == Ctrl_Q)
7309 	cap->cmdchar = Ctrl_V;
7310 
7311     /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7312      * characterwise, linewise, or blockwise. */
7313     if (cap->oap->op_type != OP_NOP)
7314     {
7315 	cap->oap->motion_force = cap->cmdchar;
7316 	finish_op = FALSE;	/* operator doesn't finish now but later */
7317 	return;
7318     }
7319 
7320     VIsual_select = cap->arg;
7321     if (VIsual_active)	    /* change Visual mode */
7322     {
7323 	if (VIsual_mode == cap->cmdchar)    /* stop visual mode */
7324 	    end_visual_mode();
7325 	else				    /* toggle char/block mode */
7326 	{				    /*	   or char/line mode */
7327 	    VIsual_mode = cap->cmdchar;
7328 	    showmode();
7329 	}
7330 	redraw_curbuf_later(INVERTED);	    /* update the inversion */
7331     }
7332     else		    /* start Visual mode */
7333     {
7334 	check_visual_highlight();
7335 	if (cap->count0)		    /* use previously selected part */
7336 	{
7337 	    if (resel_VIsual_mode == NUL)   /* there is none */
7338 	    {
7339 		beep_flush();
7340 		return;
7341 	    }
7342 	    VIsual = curwin->w_cursor;
7343 
7344 	    VIsual_active = TRUE;
7345 	    VIsual_reselect = TRUE;
7346 	    if (!cap->arg)
7347 		/* start Select mode when 'selectmode' contains "cmd" */
7348 		may_start_select('c');
7349 #ifdef FEAT_MOUSE
7350 	    setmouse();
7351 #endif
7352 	    if (p_smd && msg_silent == 0)
7353 		redraw_cmdline = TRUE;	    /* show visual mode later */
7354 	    /*
7355 	     * For V and ^V, we multiply the number of lines even if there
7356 	     * was only one -- webb
7357 	     */
7358 	    if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7359 	    {
7360 		curwin->w_cursor.lnum +=
7361 				    resel_VIsual_line_count * cap->count0 - 1;
7362 		if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7363 		    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7364 	    }
7365 	    VIsual_mode = resel_VIsual_mode;
7366 	    if (VIsual_mode == 'v')
7367 	    {
7368 		if (resel_VIsual_line_count <= 1)
7369 		    curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
7370 		else
7371 		    curwin->w_cursor.col = resel_VIsual_col;
7372 		check_cursor_col();
7373 	    }
7374 	    if (resel_VIsual_col == MAXCOL)
7375 	    {
7376 		curwin->w_curswant = MAXCOL;
7377 		coladvance((colnr_T)MAXCOL);
7378 	    }
7379 	    else if (VIsual_mode == Ctrl_V)
7380 	    {
7381 		validate_virtcol();
7382 		curwin->w_curswant = curwin->w_virtcol
7383 					 + resel_VIsual_col * cap->count0 - 1;
7384 		coladvance(curwin->w_curswant);
7385 	    }
7386 	    else
7387 		curwin->w_set_curswant = TRUE;
7388 	    redraw_curbuf_later(INVERTED);	/* show the inversion */
7389 	}
7390 	else
7391 	{
7392 	    if (!cap->arg)
7393 		/* start Select mode when 'selectmode' contains "cmd" */
7394 		may_start_select('c');
7395 	    n_start_visual_mode(cap->cmdchar);
7396 	}
7397     }
7398 }
7399 
7400 /*
7401  * Start selection for Shift-movement keys.
7402  */
7403     void
7404 start_selection()
7405 {
7406     /* if 'selectmode' contains "key", start Select mode */
7407     may_start_select('k');
7408     n_start_visual_mode('v');
7409 }
7410 
7411 /*
7412  * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7413  */
7414     void
7415 may_start_select(c)
7416     int		c;
7417 {
7418     VIsual_select = (stuff_empty() && typebuf_typed()
7419 		    && (vim_strchr(p_slm, c) != NULL));
7420 }
7421 
7422 /*
7423  * Start Visual mode "c".
7424  * Should set VIsual_select before calling this.
7425  */
7426     static void
7427 n_start_visual_mode(c)
7428     int		c;
7429 {
7430     VIsual_mode = c;
7431     VIsual_active = TRUE;
7432     VIsual_reselect = TRUE;
7433 #ifdef FEAT_VIRTUALEDIT
7434     /* Corner case: the 0 position in a tab may change when going into
7435      * virtualedit.  Recalculate curwin->w_cursor to avoid bad hilighting.
7436      */
7437     if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7438 	coladvance(curwin->w_virtcol);
7439 #endif
7440     VIsual = curwin->w_cursor;
7441 
7442 #ifdef FEAT_FOLDING
7443     foldAdjustVisual();
7444 #endif
7445 
7446 #ifdef FEAT_MOUSE
7447     setmouse();
7448 #endif
7449     if (p_smd && msg_silent == 0)
7450 	redraw_cmdline = TRUE;	/* show visual mode later */
7451 #ifdef FEAT_CLIPBOARD
7452     /* Make sure the clipboard gets updated.  Needed because start and
7453      * end may still be the same, and the selection needs to be owned */
7454     clip_star.vmode = NUL;
7455 #endif
7456 
7457     /* Only need to redraw this line, unless still need to redraw an old
7458      * Visual area (when 'lazyredraw' is set). */
7459     if (curwin->w_redr_type < INVERTED)
7460     {
7461 	curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7462 	curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7463     }
7464 }
7465 
7466 #endif /* FEAT_VISUAL */
7467 
7468 /*
7469  * CTRL-W: Window commands
7470  */
7471     static void
7472 nv_window(cap)
7473     cmdarg_T	*cap;
7474 {
7475 #ifdef FEAT_WINDOWS
7476     if (!checkclearop(cap->oap))
7477 	do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7478 #else
7479     (void)checkclearop(cap->oap);
7480 #endif
7481 }
7482 
7483 /*
7484  * CTRL-Z: Suspend
7485  */
7486     static void
7487 nv_suspend(cap)
7488     cmdarg_T	*cap;
7489 {
7490     clearop(cap->oap);
7491 #ifdef FEAT_VISUAL
7492     if (VIsual_active)
7493 	end_visual_mode();		/* stop Visual mode */
7494 #endif
7495     do_cmdline_cmd((char_u *)"st");
7496 }
7497 
7498 /*
7499  * Commands starting with "g".
7500  */
7501     static void
7502 nv_g_cmd(cap)
7503     cmdarg_T	*cap;
7504 {
7505     oparg_T	*oap = cap->oap;
7506 #ifdef FEAT_VISUAL
7507     pos_T	tpos;
7508 #endif
7509     int		i;
7510     int		flag = FALSE;
7511 
7512     switch (cap->nchar)
7513     {
7514 #ifdef MEM_PROFILE
7515     /*
7516      * "g^A": dump log of used memory.
7517      */
7518     case Ctrl_A:
7519 	vim_mem_profile_dump();
7520 	break;
7521 #endif
7522 
7523 #ifdef FEAT_VREPLACE
7524     /*
7525      * "gR": Enter virtual replace mode.
7526      */
7527     case 'R':
7528 	cap->arg = TRUE;
7529 	nv_Replace(cap);
7530 	break;
7531 
7532     case 'r':
7533 	nv_vreplace(cap);
7534 	break;
7535 #endif
7536 
7537     case '&':
7538 	do_cmdline_cmd((char_u *)"%s//~/&");
7539 	break;
7540 
7541 #ifdef FEAT_VISUAL
7542     /*
7543      * "gv": Reselect the previous Visual area.  If Visual already active,
7544      *	     exchange previous and current Visual area.
7545      */
7546     case 'v':
7547 	if (checkclearop(oap))
7548 	    break;
7549 
7550 	if (	   curbuf->b_visual.vi_start.lnum == 0
7551 		|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7552 		|| curbuf->b_visual.vi_end.lnum == 0)
7553 	    beep_flush();
7554 	else
7555 	{
7556 	    /* set w_cursor to the start of the Visual area, tpos to the end */
7557 	    if (VIsual_active)
7558 	    {
7559 		i = VIsual_mode;
7560 		VIsual_mode = curbuf->b_visual.vi_mode;
7561 		curbuf->b_visual.vi_mode = i;
7562 # ifdef FEAT_EVAL
7563 		curbuf->b_visual_mode_eval = i;
7564 # endif
7565 		i = curwin->w_curswant;
7566 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7567 		curbuf->b_visual.vi_curswant = i;
7568 
7569 		tpos = curbuf->b_visual.vi_end;
7570 		curbuf->b_visual.vi_end = curwin->w_cursor;
7571 		curwin->w_cursor = curbuf->b_visual.vi_start;
7572 		curbuf->b_visual.vi_start = VIsual;
7573 	    }
7574 	    else
7575 	    {
7576 		VIsual_mode = curbuf->b_visual.vi_mode;
7577 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7578 		tpos = curbuf->b_visual.vi_end;
7579 		curwin->w_cursor = curbuf->b_visual.vi_start;
7580 	    }
7581 
7582 	    VIsual_active = TRUE;
7583 	    VIsual_reselect = TRUE;
7584 
7585 	    /* Set Visual to the start and w_cursor to the end of the Visual
7586 	     * area.  Make sure they are on an existing character. */
7587 	    check_cursor();
7588 	    VIsual = curwin->w_cursor;
7589 	    curwin->w_cursor = tpos;
7590 	    check_cursor();
7591 	    update_topline();
7592 	    /*
7593 	     * When called from normal "g" command: start Select mode when
7594 	     * 'selectmode' contains "cmd".  When called for K_SELECT, always
7595 	     * start Select mode.
7596 	     */
7597 	    if (cap->arg)
7598 		VIsual_select = TRUE;
7599 	    else
7600 		may_start_select('c');
7601 #ifdef FEAT_MOUSE
7602 	    setmouse();
7603 #endif
7604 #ifdef FEAT_CLIPBOARD
7605 	    /* Make sure the clipboard gets updated.  Needed because start and
7606 	     * end are still the same, and the selection needs to be owned */
7607 	    clip_star.vmode = NUL;
7608 #endif
7609 	    redraw_curbuf_later(INVERTED);
7610 	    showmode();
7611 	}
7612 	break;
7613     /*
7614      * "gV": Don't reselect the previous Visual area after a Select mode
7615      *	     mapping of menu.
7616      */
7617     case 'V':
7618 	VIsual_reselect = FALSE;
7619 	break;
7620 
7621     /*
7622      * "gh":  start Select mode.
7623      * "gH":  start Select line mode.
7624      * "g^H": start Select block mode.
7625      */
7626     case K_BS:
7627 	cap->nchar = Ctrl_H;
7628 	/* FALLTHROUGH */
7629     case 'h':
7630     case 'H':
7631     case Ctrl_H:
7632 # ifdef EBCDIC
7633 	/* EBCDIC: 'v'-'h' != '^v'-'^h' */
7634 	if (cap->nchar == Ctrl_H)
7635 	    cap->cmdchar = Ctrl_V;
7636 	else
7637 # endif
7638 	cap->cmdchar = cap->nchar + ('v' - 'h');
7639 	cap->arg = TRUE;
7640 	nv_visual(cap);
7641 	break;
7642 #endif /* FEAT_VISUAL */
7643 
7644     /*
7645      * "gj" and "gk" two new funny movement keys -- up and down
7646      * movement based on *screen* line rather than *file* line.
7647      */
7648     case 'j':
7649     case K_DOWN:
7650 	/* with 'nowrap' it works just like the normal "j" command; also when
7651 	 * in a closed fold */
7652 	if (!curwin->w_p_wrap
7653 #ifdef FEAT_FOLDING
7654 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7655 #endif
7656 		)
7657 	{
7658 	    oap->motion_type = MLINE;
7659 	    i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7660 	}
7661 	else
7662 	    i = nv_screengo(oap, FORWARD, cap->count1);
7663 	if (i == FAIL)
7664 	    clearopbeep(oap);
7665 	break;
7666 
7667     case 'k':
7668     case K_UP:
7669 	/* with 'nowrap' it works just like the normal "k" command; also when
7670 	 * in a closed fold */
7671 	if (!curwin->w_p_wrap
7672 #ifdef FEAT_FOLDING
7673 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7674 #endif
7675 	   )
7676 	{
7677 	    oap->motion_type = MLINE;
7678 	    i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7679 	}
7680 	else
7681 	    i = nv_screengo(oap, BACKWARD, cap->count1);
7682 	if (i == FAIL)
7683 	    clearopbeep(oap);
7684 	break;
7685 
7686     /*
7687      * "gJ": join two lines without inserting a space.
7688      */
7689     case 'J':
7690 	nv_join(cap);
7691 	break;
7692 
7693     /*
7694      * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7695      * "gm": middle of "g0" and "g$".
7696      */
7697     case '^':
7698 	flag = TRUE;
7699 	/* FALLTHROUGH */
7700 
7701     case '0':
7702     case 'm':
7703     case K_HOME:
7704     case K_KHOME:
7705 	oap->motion_type = MCHAR;
7706 	oap->inclusive = FALSE;
7707 	if (curwin->w_p_wrap
7708 #ifdef FEAT_VERTSPLIT
7709 		&& curwin->w_width != 0
7710 #endif
7711 		)
7712 	{
7713 	    int		width1 = W_WIDTH(curwin) - curwin_col_off();
7714 	    int		width2 = width1 + curwin_col_off2();
7715 
7716 	    validate_virtcol();
7717 	    i = 0;
7718 	    if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7719 		i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7720 	}
7721 	else
7722 	    i = curwin->w_leftcol;
7723 	/* Go to the middle of the screen line.  When 'number' is on and lines
7724 	 * are wrapping the middle can be more to the left.*/
7725 	if (cap->nchar == 'm')
7726 	    i += (W_WIDTH(curwin) - curwin_col_off()
7727 		    + ((curwin->w_p_wrap && i > 0)
7728 			? curwin_col_off2() : 0)) / 2;
7729 	coladvance((colnr_T)i);
7730 	if (flag)
7731 	{
7732 	    do
7733 		i = gchar_cursor();
7734 	    while (vim_iswhite(i) && oneright() == OK);
7735 	}
7736 	curwin->w_set_curswant = TRUE;
7737 	break;
7738 
7739     case '_':
7740 	/* "g_": to the last non-blank character in the line or <count> lines
7741 	 * downward. */
7742 	cap->oap->motion_type = MCHAR;
7743 	cap->oap->inclusive = TRUE;
7744 	curwin->w_curswant = MAXCOL;
7745 	if (cursor_down((long)(cap->count1 - 1),
7746 					 cap->oap->op_type == OP_NOP) == FAIL)
7747 	    clearopbeep(cap->oap);
7748 	else
7749 	{
7750 	    char_u  *ptr = ml_get_curline();
7751 
7752 	    /* In Visual mode we may end up after the line. */
7753 	    if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7754 		--curwin->w_cursor.col;
7755 
7756 	    /* Decrease the cursor column until it's on a non-blank. */
7757 	    while (curwin->w_cursor.col > 0
7758 				    && vim_iswhite(ptr[curwin->w_cursor.col]))
7759 		--curwin->w_cursor.col;
7760 	    curwin->w_set_curswant = TRUE;
7761 	}
7762 	break;
7763 
7764     case '$':
7765     case K_END:
7766     case K_KEND:
7767 	{
7768 	    int col_off = curwin_col_off();
7769 
7770 	    oap->motion_type = MCHAR;
7771 	    oap->inclusive = TRUE;
7772 	    if (curwin->w_p_wrap
7773 #ifdef FEAT_VERTSPLIT
7774 		    && curwin->w_width != 0
7775 #endif
7776 	       )
7777 	    {
7778 		curwin->w_curswant = MAXCOL;    /* so we stay at the end */
7779 		if (cap->count1 == 1)
7780 		{
7781 		    int		width1 = W_WIDTH(curwin) - col_off;
7782 		    int		width2 = width1 + curwin_col_off2();
7783 
7784 		    validate_virtcol();
7785 		    i = width1 - 1;
7786 		    if (curwin->w_virtcol >= (colnr_T)width1)
7787 			i += ((curwin->w_virtcol - width1) / width2 + 1)
7788 								     * width2;
7789 		    coladvance((colnr_T)i);
7790 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7791 		    if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7792 		    {
7793 			/*
7794 			 * Check for landing on a character that got split at
7795 			 * the end of the line.  We do not want to advance to
7796 			 * the next screen line.
7797 			 */
7798 			validate_virtcol();
7799 			if (curwin->w_virtcol > (colnr_T)i)
7800 			    --curwin->w_cursor.col;
7801 		    }
7802 #endif
7803 		}
7804 		else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7805 		    clearopbeep(oap);
7806 	    }
7807 	    else
7808 	    {
7809 		i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7810 		coladvance((colnr_T)i);
7811 
7812 		/* Make sure we stick in this column. */
7813 		validate_virtcol();
7814 		curwin->w_curswant = curwin->w_virtcol;
7815 		curwin->w_set_curswant = FALSE;
7816 	    }
7817 	}
7818 	break;
7819 
7820     /*
7821      * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7822      */
7823     case '*':
7824     case '#':
7825 #if POUND != '#'
7826     case POUND:		/* pound sign (sometimes equal to '#') */
7827 #endif
7828     case Ctrl_RSB:		/* :tag or :tselect for current identifier */
7829     case ']':			/* :tselect for current identifier */
7830 	nv_ident(cap);
7831 	break;
7832 
7833     /*
7834      * ge and gE: go back to end of word
7835      */
7836     case 'e':
7837     case 'E':
7838 	oap->motion_type = MCHAR;
7839 	curwin->w_set_curswant = TRUE;
7840 	oap->inclusive = TRUE;
7841 	if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7842 	    clearopbeep(oap);
7843 	break;
7844 
7845     /*
7846      * "g CTRL-G": display info about cursor position
7847      */
7848     case Ctrl_G:
7849 	cursor_pos_info();
7850 	break;
7851 
7852     /*
7853      * "gi": start Insert at the last position.
7854      */
7855     case 'i':
7856 	if (curbuf->b_last_insert.lnum != 0)
7857 	{
7858 	    curwin->w_cursor = curbuf->b_last_insert;
7859 	    check_cursor_lnum();
7860 	    i = (int)STRLEN(ml_get_curline());
7861 	    if (curwin->w_cursor.col > (colnr_T)i)
7862 	    {
7863 #ifdef FEAT_VIRTUALEDIT
7864 		if (virtual_active())
7865 		    curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7866 #endif
7867 		curwin->w_cursor.col = i;
7868 	    }
7869 	}
7870 	cap->cmdchar = 'i';
7871 	nv_edit(cap);
7872 	break;
7873 
7874     /*
7875      * "gI": Start insert in column 1.
7876      */
7877     case 'I':
7878 	beginline(0);
7879 	if (!checkclearopq(oap))
7880 	    invoke_edit(cap, FALSE, 'g', FALSE);
7881 	break;
7882 
7883 #ifdef FEAT_SEARCHPATH
7884     /*
7885      * "gf": goto file, edit file under cursor
7886      * "]f" and "[f": can also be used.
7887      */
7888     case 'f':
7889     case 'F':
7890 	nv_gotofile(cap);
7891 	break;
7892 #endif
7893 
7894 	/* "g'm" and "g`m": jump to mark without setting pcmark */
7895     case '\'':
7896 	cap->arg = TRUE;
7897 	/*FALLTHROUGH*/
7898     case '`':
7899 	nv_gomark(cap);
7900 	break;
7901 
7902     /*
7903      * "gs": Goto sleep.
7904      */
7905     case 's':
7906 	do_sleep(cap->count1 * 1000L);
7907 	break;
7908 
7909     /*
7910      * "ga": Display the ascii value of the character under the
7911      * cursor.	It is displayed in decimal, hex, and octal. -- webb
7912      */
7913     case 'a':
7914 	do_ascii(NULL);
7915 	break;
7916 
7917 #ifdef FEAT_MBYTE
7918     /*
7919      * "g8": Display the bytes used for the UTF-8 character under the
7920      * cursor.	It is displayed in hex.
7921      * "8g8" finds illegal byte sequence.
7922      */
7923     case '8':
7924 	if (cap->count0 == 8)
7925 	    utf_find_illegal();
7926 	else
7927 	    show_utf8();
7928 	break;
7929 #endif
7930 
7931     case '<':
7932 	show_sb_text();
7933 	break;
7934 
7935     /*
7936      * "gg": Goto the first line in file.  With a count it goes to
7937      * that line number like for "G". -- webb
7938      */
7939     case 'g':
7940 	cap->arg = FALSE;
7941 	nv_goto(cap);
7942 	break;
7943 
7944     /*
7945      *	 Two-character operators:
7946      *	 "gq"	    Format text
7947      *	 "gw"	    Format text and keep cursor position
7948      *	 "g~"	    Toggle the case of the text.
7949      *	 "gu"	    Change text to lower case.
7950      *	 "gU"	    Change text to upper case.
7951      *   "g?"	    rot13 encoding
7952      *   "g@"	    call 'operatorfunc'
7953      */
7954     case 'q':
7955     case 'w':
7956 	oap->cursor_start = curwin->w_cursor;
7957 	/*FALLTHROUGH*/
7958     case '~':
7959     case 'u':
7960     case 'U':
7961     case '?':
7962     case '@':
7963 	nv_operator(cap);
7964 	break;
7965 
7966     /*
7967      * "gd": Find first occurrence of pattern under the cursor in the
7968      *	 current function
7969      * "gD": idem, but in the current file.
7970      */
7971     case 'd':
7972     case 'D':
7973 	nv_gd(oap, cap->nchar, (int)cap->count0);
7974 	break;
7975 
7976 #ifdef FEAT_MOUSE
7977     /*
7978      * g<*Mouse> : <C-*mouse>
7979      */
7980     case K_MIDDLEMOUSE:
7981     case K_MIDDLEDRAG:
7982     case K_MIDDLERELEASE:
7983     case K_LEFTMOUSE:
7984     case K_LEFTDRAG:
7985     case K_LEFTRELEASE:
7986     case K_RIGHTMOUSE:
7987     case K_RIGHTDRAG:
7988     case K_RIGHTRELEASE:
7989     case K_X1MOUSE:
7990     case K_X1DRAG:
7991     case K_X1RELEASE:
7992     case K_X2MOUSE:
7993     case K_X2DRAG:
7994     case K_X2RELEASE:
7995 	mod_mask = MOD_MASK_CTRL;
7996 	(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
7997 	break;
7998 #endif
7999 
8000     case K_IGNORE:
8001 	break;
8002 
8003     /*
8004      * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8005      */
8006     case 'p':
8007     case 'P':
8008 	nv_put(cap);
8009 	break;
8010 
8011 #ifdef FEAT_BYTEOFF
8012     /* "go": goto byte count from start of buffer */
8013     case 'o':
8014 	goto_byte(cap->count0);
8015 	break;
8016 #endif
8017 
8018     /* "gQ": improved Ex mode */
8019     case 'Q':
8020 	if (text_locked())
8021 	{
8022 	    clearopbeep(cap->oap);
8023 	    text_locked_msg();
8024 	    break;
8025 	}
8026 
8027 	if (!checkclearopq(oap))
8028 	    do_exmode(TRUE);
8029 	break;
8030 
8031 #ifdef FEAT_JUMPLIST
8032     case ',':
8033 	nv_pcmark(cap);
8034 	break;
8035 
8036     case ';':
8037 	cap->count1 = -cap->count1;
8038 	nv_pcmark(cap);
8039 	break;
8040 #endif
8041 
8042 #ifdef FEAT_WINDOWS
8043     case 't':
8044 	goto_tabpage((int)cap->count0);
8045 	break;
8046     case 'T':
8047 	goto_tabpage(-(int)cap->count1);
8048 	break;
8049 #endif
8050 
8051     case '+':
8052     case '-': /* "g+" and "g-": undo or redo along the timeline */
8053 	if (!checkclearopq(oap))
8054 	    undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8055 								FALSE, FALSE);
8056 	break;
8057 
8058     default:
8059 	clearopbeep(oap);
8060 	break;
8061     }
8062 }
8063 
8064 /*
8065  * Handle "o" and "O" commands.
8066  */
8067     static void
8068 n_opencmd(cap)
8069     cmdarg_T	*cap;
8070 {
8071     if (!checkclearopq(cap->oap))
8072     {
8073 #ifdef FEAT_FOLDING
8074 	if (cap->cmdchar == 'O')
8075 	    /* Open above the first line of a folded sequence of lines */
8076 	    (void)hasFolding(curwin->w_cursor.lnum,
8077 						&curwin->w_cursor.lnum, NULL);
8078 	else
8079 	    /* Open below the last line of a folded sequence of lines */
8080 	    (void)hasFolding(curwin->w_cursor.lnum,
8081 						NULL, &curwin->w_cursor.lnum);
8082 #endif
8083 	if (u_save((linenr_T)(curwin->w_cursor.lnum -
8084 					       (cap->cmdchar == 'O' ? 1 : 0)),
8085 		   (linenr_T)(curwin->w_cursor.lnum +
8086 					       (cap->cmdchar == 'o' ? 1 : 0))
8087 		       ) == OK
8088 		&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8089 #ifdef FEAT_COMMENTS
8090 		    has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8091 #endif
8092 		    0, 0))
8093 	{
8094 	    /* When '#' is in 'cpoptions' ignore the count. */
8095 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8096 		cap->count1 = 1;
8097 	    invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8098 	}
8099     }
8100 }
8101 
8102 /*
8103  * "." command: redo last change.
8104  */
8105     static void
8106 nv_dot(cap)
8107     cmdarg_T	*cap;
8108 {
8109     if (!checkclearopq(cap->oap))
8110     {
8111 	/*
8112 	 * If "restart_edit" is TRUE, the last but one command is repeated
8113 	 * instead of the last command (inserting text). This is used for
8114 	 * CTRL-O <.> in insert mode.
8115 	 */
8116 	if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8117 	    clearopbeep(cap->oap);
8118     }
8119 }
8120 
8121 /*
8122  * CTRL-R: undo undo
8123  */
8124     static void
8125 nv_redo(cap)
8126     cmdarg_T	*cap;
8127 {
8128     if (!checkclearopq(cap->oap))
8129     {
8130 	u_redo((int)cap->count1);
8131 	curwin->w_set_curswant = TRUE;
8132     }
8133 }
8134 
8135 /*
8136  * Handle "U" command.
8137  */
8138     static void
8139 nv_Undo(cap)
8140     cmdarg_T	*cap;
8141 {
8142     /* In Visual mode and typing "gUU" triggers an operator */
8143     if (cap->oap->op_type == OP_UPPER
8144 #ifdef FEAT_VISUAL
8145 	    || VIsual_active
8146 #endif
8147 	    )
8148     {
8149 	/* translate "gUU" to "gUgU" */
8150 	cap->cmdchar = 'g';
8151 	cap->nchar = 'U';
8152 	nv_operator(cap);
8153     }
8154     else if (!checkclearopq(cap->oap))
8155     {
8156 	u_undoline();
8157 	curwin->w_set_curswant = TRUE;
8158     }
8159 }
8160 
8161 /*
8162  * '~' command: If tilde is not an operator and Visual is off: swap case of a
8163  * single character.
8164  */
8165     static void
8166 nv_tilde(cap)
8167     cmdarg_T	*cap;
8168 {
8169     if (!p_to
8170 #ifdef FEAT_VISUAL
8171 	    && !VIsual_active
8172 #endif
8173 	    && cap->oap->op_type != OP_TILDE)
8174 	n_swapchar(cap);
8175     else
8176 	nv_operator(cap);
8177 }
8178 
8179 /*
8180  * Handle an operator command.
8181  * The actual work is done by do_pending_operator().
8182  */
8183     static void
8184 nv_operator(cap)
8185     cmdarg_T	*cap;
8186 {
8187     int	    op_type;
8188 
8189     op_type = get_op_type(cap->cmdchar, cap->nchar);
8190 
8191     if (op_type == cap->oap->op_type)	    /* double operator works on lines */
8192 	nv_lineop(cap);
8193     else if (!checkclearop(cap->oap))
8194     {
8195 	cap->oap->start = curwin->w_cursor;
8196 	cap->oap->op_type = op_type;
8197     }
8198 }
8199 
8200 /*
8201  * Handle linewise operator "dd", "yy", etc.
8202  *
8203  * "_" is is a strange motion command that helps make operators more logical.
8204  * It is actually implemented, but not documented in the real Vi.  This motion
8205  * command actually refers to "the current line".  Commands like "dd" and "yy"
8206  * are really an alternate form of "d_" and "y_".  It does accept a count, so
8207  * "d3_" works to delete 3 lines.
8208  */
8209     static void
8210 nv_lineop(cap)
8211     cmdarg_T	*cap;
8212 {
8213     cap->oap->motion_type = MLINE;
8214     if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8215 	clearopbeep(cap->oap);
8216     else if (  cap->oap->op_type == OP_DELETE
8217 	    || cap->oap->op_type == OP_LSHIFT
8218 	    || cap->oap->op_type == OP_RSHIFT)
8219 	beginline(BL_SOL | BL_FIX);
8220     else if (cap->oap->op_type != OP_YANK)	/* 'Y' does not move cursor */
8221 	beginline(BL_WHITE | BL_FIX);
8222 }
8223 
8224 /*
8225  * <Home> command.
8226  */
8227     static void
8228 nv_home(cap)
8229     cmdarg_T	*cap;
8230 {
8231     /* CTRL-HOME is like "gg" */
8232     if (mod_mask & MOD_MASK_CTRL)
8233 	nv_goto(cap);
8234     else
8235     {
8236 	cap->count0 = 1;
8237 	nv_pipe(cap);
8238     }
8239     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8240 			       one-character line). */
8241 }
8242 
8243 /*
8244  * "|" command.
8245  */
8246     static void
8247 nv_pipe(cap)
8248     cmdarg_T *cap;
8249 {
8250     cap->oap->motion_type = MCHAR;
8251     cap->oap->inclusive = FALSE;
8252     beginline(0);
8253     if (cap->count0 > 0)
8254     {
8255 	coladvance((colnr_T)(cap->count0 - 1));
8256 	curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8257     }
8258     else
8259 	curwin->w_curswant = 0;
8260     /* keep curswant at the column where we wanted to go, not where
8261        we ended; differs if line is too short */
8262     curwin->w_set_curswant = FALSE;
8263 }
8264 
8265 /*
8266  * Handle back-word command "b" and "B".
8267  * cap->arg is 1 for "B"
8268  */
8269     static void
8270 nv_bck_word(cap)
8271     cmdarg_T	*cap;
8272 {
8273     cap->oap->motion_type = MCHAR;
8274     cap->oap->inclusive = FALSE;
8275     curwin->w_set_curswant = TRUE;
8276     if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8277 	clearopbeep(cap->oap);
8278 #ifdef FEAT_FOLDING
8279     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8280 	foldOpenCursor();
8281 #endif
8282 }
8283 
8284 /*
8285  * Handle word motion commands "e", "E", "w" and "W".
8286  * cap->arg is TRUE for "E" and "W".
8287  */
8288     static void
8289 nv_wordcmd(cap)
8290     cmdarg_T	*cap;
8291 {
8292     int		n;
8293     int		word_end;
8294     int		flag = FALSE;
8295 
8296     /*
8297      * Set inclusive for the "E" and "e" command.
8298      */
8299     if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8300 	word_end = TRUE;
8301     else
8302 	word_end = FALSE;
8303     cap->oap->inclusive = word_end;
8304 
8305     /*
8306      * "cw" and "cW" are a special case.
8307      */
8308     if (!word_end && cap->oap->op_type == OP_CHANGE)
8309     {
8310 	n = gchar_cursor();
8311 	if (n != NUL)			/* not an empty line */
8312 	{
8313 	    if (vim_iswhite(n))
8314 	    {
8315 		/*
8316 		 * Reproduce a funny Vi behaviour: "cw" on a blank only
8317 		 * changes one character, not all blanks until the start of
8318 		 * the next word.  Only do this when the 'w' flag is included
8319 		 * in 'cpoptions'.
8320 		 */
8321 		if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8322 		{
8323 		    cap->oap->inclusive = TRUE;
8324 		    cap->oap->motion_type = MCHAR;
8325 		    return;
8326 		}
8327 	    }
8328 	    else
8329 	    {
8330 		/*
8331 		 * This is a little strange. To match what the real Vi does,
8332 		 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8333 		 * that we are not on a space or a TAB.  This seems impolite
8334 		 * at first, but it's really more what we mean when we say
8335 		 * 'cw'.
8336 		 * Another strangeness: When standing on the end of a word
8337 		 * "ce" will change until the end of the next wordt, but "cw"
8338 		 * will change only one character! This is done by setting
8339 		 * flag.
8340 		 */
8341 		cap->oap->inclusive = TRUE;
8342 		word_end = TRUE;
8343 		flag = TRUE;
8344 	    }
8345 	}
8346     }
8347 
8348     cap->oap->motion_type = MCHAR;
8349     curwin->w_set_curswant = TRUE;
8350     if (word_end)
8351 	n = end_word(cap->count1, cap->arg, flag, FALSE);
8352     else
8353 	n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8354 
8355     /* Don't leave the cursor on the NUL past a line */
8356     if (curwin->w_cursor.col && gchar_cursor() == NUL)
8357     {
8358 	--curwin->w_cursor.col;
8359 	cap->oap->inclusive = TRUE;
8360     }
8361 
8362     if (n == FAIL && cap->oap->op_type == OP_NOP)
8363 	clearopbeep(cap->oap);
8364     else
8365     {
8366 #ifdef FEAT_VISUAL
8367 	adjust_for_sel(cap);
8368 #endif
8369 #ifdef FEAT_FOLDING
8370 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8371 	    foldOpenCursor();
8372 #endif
8373     }
8374 }
8375 
8376 /*
8377  * "0" and "^" commands.
8378  * cap->arg is the argument for beginline().
8379  */
8380     static void
8381 nv_beginline(cap)
8382     cmdarg_T	*cap;
8383 {
8384     cap->oap->motion_type = MCHAR;
8385     cap->oap->inclusive = FALSE;
8386     beginline(cap->arg);
8387 #ifdef FEAT_FOLDING
8388     if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8389 	foldOpenCursor();
8390 #endif
8391     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8392 			       one-character line). */
8393 }
8394 
8395 #ifdef FEAT_VISUAL
8396 /*
8397  * In exclusive Visual mode, may include the last character.
8398  */
8399     static void
8400 adjust_for_sel(cap)
8401     cmdarg_T	*cap;
8402 {
8403     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8404 	    && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8405     {
8406 # ifdef FEAT_MBYTE
8407 	if (has_mbyte)
8408 	    inc_cursor();
8409 	else
8410 # endif
8411 	    ++curwin->w_cursor.col;
8412 	cap->oap->inclusive = FALSE;
8413     }
8414 }
8415 
8416 /*
8417  * Exclude last character at end of Visual area for 'selection' == "exclusive".
8418  * Should check VIsual_mode before calling this.
8419  * Returns TRUE when backed up to the previous line.
8420  */
8421     static int
8422 unadjust_for_sel()
8423 {
8424     pos_T	*pp;
8425 
8426     if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8427     {
8428 	if (lt(VIsual, curwin->w_cursor))
8429 	    pp = &curwin->w_cursor;
8430 	else
8431 	    pp = &VIsual;
8432 #ifdef FEAT_VIRTUALEDIT
8433 	if (pp->coladd > 0)
8434 	    --pp->coladd;
8435 	else
8436 #endif
8437 	if (pp->col > 0)
8438 	{
8439 	    --pp->col;
8440 #ifdef FEAT_MBYTE
8441 	    mb_adjustpos(pp);
8442 #endif
8443 	}
8444 	else if (pp->lnum > 1)
8445 	{
8446 	    --pp->lnum;
8447 	    pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8448 	    return TRUE;
8449 	}
8450     }
8451     return FALSE;
8452 }
8453 
8454 /*
8455  * SELECT key in Normal or Visual mode: end of Select mode mapping.
8456  */
8457     static void
8458 nv_select(cap)
8459     cmdarg_T	*cap;
8460 {
8461     if (VIsual_active)
8462 	VIsual_select = TRUE;
8463     else if (VIsual_reselect)
8464     {
8465 	cap->nchar = 'v';	    /* fake "gv" command */
8466 	cap->arg = TRUE;
8467 	nv_g_cmd(cap);
8468     }
8469 }
8470 
8471 #endif
8472 
8473 /*
8474  * "G", "gg", CTRL-END, CTRL-HOME.
8475  * cap->arg is TRUE for "G".
8476  */
8477     static void
8478 nv_goto(cap)
8479     cmdarg_T	*cap;
8480 {
8481     linenr_T	lnum;
8482 
8483     if (cap->arg)
8484 	lnum = curbuf->b_ml.ml_line_count;
8485     else
8486 	lnum = 1L;
8487     cap->oap->motion_type = MLINE;
8488     setpcmark();
8489 
8490     /* When a count is given, use it instead of the default lnum */
8491     if (cap->count0 != 0)
8492 	lnum = cap->count0;
8493     if (lnum < 1L)
8494 	lnum = 1L;
8495     else if (lnum > curbuf->b_ml.ml_line_count)
8496 	lnum = curbuf->b_ml.ml_line_count;
8497     curwin->w_cursor.lnum = lnum;
8498     beginline(BL_SOL | BL_FIX);
8499 #ifdef FEAT_FOLDING
8500     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8501 	foldOpenCursor();
8502 #endif
8503 }
8504 
8505 /*
8506  * CTRL-\ in Normal mode.
8507  */
8508     static void
8509 nv_normal(cap)
8510     cmdarg_T	*cap;
8511 {
8512     if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8513     {
8514 	clearop(cap->oap);
8515 	if (restart_edit != 0 && mode_displayed)
8516 	    clear_cmdline = TRUE;		/* unshow mode later */
8517 	restart_edit = 0;
8518 #ifdef FEAT_CMDWIN
8519 	if (cmdwin_type != 0)
8520 	    cmdwin_result = Ctrl_C;
8521 #endif
8522 #ifdef FEAT_VISUAL
8523 	if (VIsual_active)
8524 	{
8525 	    end_visual_mode();		/* stop Visual */
8526 	    redraw_curbuf_later(INVERTED);
8527 	}
8528 #endif
8529 	/* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8530 	if (cap->nchar == Ctrl_G && p_im)
8531 	    restart_edit = 'a';
8532     }
8533     else
8534 	clearopbeep(cap->oap);
8535 }
8536 
8537 /*
8538  * ESC in Normal mode: beep, but don't flush buffers.
8539  * Don't even beep if we are canceling a command.
8540  */
8541     static void
8542 nv_esc(cap)
8543     cmdarg_T	*cap;
8544 {
8545     int		no_reason;
8546 
8547     no_reason = (cap->oap->op_type == OP_NOP
8548 		&& cap->opcount == 0
8549 		&& cap->count0 == 0
8550 		&& cap->oap->regname == 0
8551 		&& !p_im);
8552 
8553     if (cap->arg)		/* TRUE for CTRL-C */
8554     {
8555 	if (restart_edit == 0
8556 #ifdef FEAT_CMDWIN
8557 		&& cmdwin_type == 0
8558 #endif
8559 #ifdef FEAT_VISUAL
8560 		&& !VIsual_active
8561 #endif
8562 		&& no_reason)
8563 	    MSG(_("Type  :quit<Enter>  to exit Vim"));
8564 
8565 	/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8566 	 * set again below when halfway a mapping. */
8567 	if (!p_im)
8568 	    restart_edit = 0;
8569 #ifdef FEAT_CMDWIN
8570 	if (cmdwin_type != 0)
8571 	{
8572 	    cmdwin_result = K_IGNORE;
8573 	    got_int = FALSE;	/* don't stop executing autocommands et al. */
8574 	    return;
8575 	}
8576 #endif
8577     }
8578 
8579 #ifdef FEAT_VISUAL
8580     if (VIsual_active)
8581     {
8582 	end_visual_mode();	/* stop Visual */
8583 	check_cursor_col();	/* make sure cursor is not beyond EOL */
8584 	curwin->w_set_curswant = TRUE;
8585 	redraw_curbuf_later(INVERTED);
8586     }
8587     else
8588 #endif
8589 	if (no_reason)
8590 	    vim_beep();
8591     clearop(cap->oap);
8592 
8593     /* A CTRL-C is often used at the start of a menu.  When 'insertmode' is
8594      * set return to Insert mode afterwards. */
8595     if (restart_edit == 0 && goto_im()
8596 #ifdef FEAT_EX_EXTRA
8597 	    && ex_normal_busy == 0
8598 #endif
8599 	    )
8600 	restart_edit = 'a';
8601 }
8602 
8603 /*
8604  * Handle "A", "a", "I", "i" and <Insert> commands.
8605  */
8606     static void
8607 nv_edit(cap)
8608     cmdarg_T *cap;
8609 {
8610     /* <Insert> is equal to "i" */
8611     if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8612 	cap->cmdchar = 'i';
8613 
8614 #ifdef FEAT_VISUAL
8615     /* in Visual mode "A" and "I" are an operator */
8616     if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8617 	v_visop(cap);
8618 
8619     /* in Visual mode and after an operator "a" and "i" are for text objects */
8620     else
8621 #endif
8622 	if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8623 	    && (cap->oap->op_type != OP_NOP
8624 #ifdef FEAT_VISUAL
8625 		|| VIsual_active
8626 #endif
8627 		))
8628     {
8629 #ifdef FEAT_TEXTOBJ
8630 	nv_object(cap);
8631 #else
8632 	clearopbeep(cap->oap);
8633 #endif
8634     }
8635     else if (!curbuf->b_p_ma && !p_im)
8636     {
8637 	/* Only give this error when 'insertmode' is off. */
8638 	EMSG(_(e_modifiable));
8639 	clearop(cap->oap);
8640     }
8641     else if (!checkclearopq(cap->oap))
8642     {
8643 	switch (cap->cmdchar)
8644 	{
8645 	    case 'A':	/* "A"ppend after the line */
8646 		curwin->w_set_curswant = TRUE;
8647 #ifdef FEAT_VIRTUALEDIT
8648 		if (ve_flags == VE_ALL)
8649 		{
8650 		    int save_State = State;
8651 
8652 		    /* Pretent Insert mode here to allow the cursor on the
8653 		     * character past the end of the line */
8654 		    State = INSERT;
8655 		    coladvance((colnr_T)MAXCOL);
8656 		    State = save_State;
8657 		}
8658 		else
8659 #endif
8660 		    curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8661 		break;
8662 
8663 	    case 'I':	/* "I"nsert before the first non-blank */
8664 		if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
8665 		    beginline(BL_WHITE);
8666 		else
8667 		    beginline(BL_WHITE|BL_FIX);
8668 		break;
8669 
8670 	    case 'a':	/* "a"ppend is like "i"nsert on the next character. */
8671 #ifdef FEAT_VIRTUALEDIT
8672 		/* increment coladd when in virtual space, increment the
8673 		 * column otherwise, also to append after an unprintable char */
8674 		if (virtual_active()
8675 			&& (curwin->w_cursor.coladd > 0
8676 			    || *ml_get_cursor() == NUL
8677 			    || *ml_get_cursor() == TAB))
8678 		    curwin->w_cursor.coladd++;
8679 		else
8680 #endif
8681 		if (*ml_get_cursor() != NUL)
8682 		    inc_cursor();
8683 		break;
8684 	}
8685 
8686 #ifdef FEAT_VIRTUALEDIT
8687 	if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8688 	{
8689 	    int save_State = State;
8690 
8691 	    /* Pretent Insert mode here to allow the cursor on the
8692 	     * character past the end of the line */
8693 	    State = INSERT;
8694 	    coladvance(getviscol());
8695 	    State = save_State;
8696 	}
8697 #endif
8698 
8699 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8700     }
8701 }
8702 
8703 /*
8704  * Invoke edit() and take care of "restart_edit" and the return value.
8705  */
8706     static void
8707 invoke_edit(cap, repl, cmd, startln)
8708     cmdarg_T	*cap;
8709     int		repl;		/* "r" or "gr" command */
8710     int		cmd;
8711     int		startln;
8712 {
8713     int		restart_edit_save = 0;
8714 
8715     /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8716      * mode recursively.  But when doing "a<C-O>." or "a<C-O>rx" we do allow
8717      * it. */
8718     if (repl || !stuff_empty())
8719 	restart_edit_save = restart_edit;
8720     else
8721 	restart_edit_save = 0;
8722 
8723     /* Always reset "restart_edit", this is not a restarted edit. */
8724     restart_edit = 0;
8725 
8726     if (edit(cmd, startln, cap->count1))
8727 	cap->retval |= CA_COMMAND_BUSY;
8728 
8729     if (restart_edit == 0)
8730 	restart_edit = restart_edit_save;
8731 }
8732 
8733 #ifdef FEAT_TEXTOBJ
8734 /*
8735  * "a" or "i" while an operator is pending or in Visual mode: object motion.
8736  */
8737     static void
8738 nv_object(cap)
8739     cmdarg_T	*cap;
8740 {
8741     int		flag;
8742     int		include;
8743     char_u	*mps_save;
8744 
8745     if (cap->cmdchar == 'i')
8746 	include = FALSE;    /* "ix" = inner object: exclude white space */
8747     else
8748 	include = TRUE;	    /* "ax" = an object: include white space */
8749 
8750     /* Make sure (), [], {} and <> are in 'matchpairs' */
8751     mps_save = curbuf->b_p_mps;
8752     curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8753 
8754     switch (cap->nchar)
8755     {
8756 	case 'w': /* "aw" = a word */
8757 		flag = current_word(cap->oap, cap->count1, include, FALSE);
8758 		break;
8759 	case 'W': /* "aW" = a WORD */
8760 		flag = current_word(cap->oap, cap->count1, include, TRUE);
8761 		break;
8762 	case 'b': /* "ab" = a braces block */
8763 	case '(':
8764 	case ')':
8765 		flag = current_block(cap->oap, cap->count1, include, '(', ')');
8766 		break;
8767 	case 'B': /* "aB" = a Brackets block */
8768 	case '{':
8769 	case '}':
8770 		flag = current_block(cap->oap, cap->count1, include, '{', '}');
8771 		break;
8772 	case '[': /* "a[" = a [] block */
8773 	case ']':
8774 		flag = current_block(cap->oap, cap->count1, include, '[', ']');
8775 		break;
8776 	case '<': /* "a<" = a <> block */
8777 	case '>':
8778 		flag = current_block(cap->oap, cap->count1, include, '<', '>');
8779 		break;
8780 	case 't': /* "at" = a tag block (xml and html) */
8781 		flag = current_tagblock(cap->oap, cap->count1, include);
8782 		break;
8783 	case 'p': /* "ap" = a paragraph */
8784 		flag = current_par(cap->oap, cap->count1, include, 'p');
8785 		break;
8786 	case 's': /* "as" = a sentence */
8787 		flag = current_sent(cap->oap, cap->count1, include);
8788 		break;
8789 	case '"': /* "a"" = a double quoted string */
8790 	case '\'': /* "a'" = a single quoted string */
8791 	case '`': /* "a`" = a backtick quoted string */
8792 		flag = current_quote(cap->oap, cap->count1, include,
8793 								  cap->nchar);
8794 		break;
8795 #if 0	/* TODO */
8796 	case 'S': /* "aS" = a section */
8797 	case 'f': /* "af" = a filename */
8798 	case 'u': /* "au" = a URL */
8799 #endif
8800 	default:
8801 		flag = FAIL;
8802 		break;
8803     }
8804 
8805     curbuf->b_p_mps = mps_save;
8806     if (flag == FAIL)
8807 	clearopbeep(cap->oap);
8808     adjust_cursor_col();
8809     curwin->w_set_curswant = TRUE;
8810 }
8811 #endif
8812 
8813 /*
8814  * "q" command: Start/stop recording.
8815  * "q:", "q/", "q?": edit command-line in command-line window.
8816  */
8817     static void
8818 nv_record(cap)
8819     cmdarg_T	*cap;
8820 {
8821     if (cap->oap->op_type == OP_FORMAT)
8822     {
8823 	/* "gqq" is the same as "gqgq": format line */
8824 	cap->cmdchar = 'g';
8825 	cap->nchar = 'q';
8826 	nv_operator(cap);
8827     }
8828     else if (!checkclearop(cap->oap))
8829     {
8830 #ifdef FEAT_CMDWIN
8831 	if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
8832 	{
8833 	    stuffcharReadbuff(cap->nchar);
8834 	    stuffcharReadbuff(K_CMDWIN);
8835 	}
8836 	else
8837 #endif
8838 	    /* (stop) recording into a named register, unless executing a
8839 	     * register */
8840 	    if (!Exec_reg && do_record(cap->nchar) == FAIL)
8841 		clearopbeep(cap->oap);
8842     }
8843 }
8844 
8845 /*
8846  * Handle the "@r" command.
8847  */
8848     static void
8849 nv_at(cap)
8850     cmdarg_T	*cap;
8851 {
8852     if (checkclearop(cap->oap))
8853 	return;
8854 #ifdef FEAT_EVAL
8855     if (cap->nchar == '=')
8856     {
8857 	if (get_expr_register() == NUL)
8858 	    return;
8859     }
8860 #endif
8861     while (cap->count1-- && !got_int)
8862     {
8863 	if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
8864 	{
8865 	    clearopbeep(cap->oap);
8866 	    break;
8867 	}
8868 	line_breakcheck();
8869     }
8870 }
8871 
8872 /*
8873  * Handle the CTRL-U and CTRL-D commands.
8874  */
8875     static void
8876 nv_halfpage(cap)
8877     cmdarg_T	*cap;
8878 {
8879     if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
8880 	    || (cap->cmdchar == Ctrl_D
8881 		&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
8882 	clearopbeep(cap->oap);
8883     else if (!checkclearop(cap->oap))
8884 	halfpage(cap->cmdchar == Ctrl_D, cap->count0);
8885 }
8886 
8887 /*
8888  * Handle "J" or "gJ" command.
8889  */
8890     static void
8891 nv_join(cap)
8892     cmdarg_T *cap;
8893 {
8894 #ifdef FEAT_VISUAL
8895     if (VIsual_active)	/* join the visual lines */
8896 	nv_operator(cap);
8897     else
8898 #endif
8899 	if (!checkclearop(cap->oap))
8900     {
8901 	if (cap->count0 <= 1)
8902 	    cap->count0 = 2;	    /* default for join is two lines! */
8903 	if (curwin->w_cursor.lnum + cap->count0 - 1 >
8904 						   curbuf->b_ml.ml_line_count)
8905 	    clearopbeep(cap->oap);  /* beyond last line */
8906 	else
8907 	{
8908 	    prep_redo(cap->oap->regname, cap->count0,
8909 			 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
8910 	    do_do_join(cap->count0, cap->nchar == NUL);
8911 	}
8912     }
8913 }
8914 
8915 /*
8916  * "P", "gP", "p" and "gp" commands.
8917  */
8918     static void
8919 nv_put(cap)
8920     cmdarg_T  *cap;
8921 {
8922 #ifdef FEAT_VISUAL
8923     int		regname = 0;
8924     void	*reg1 = NULL, *reg2 = NULL;
8925     int		empty = FALSE;
8926     int		was_visual = FALSE;
8927 #endif
8928     int		dir;
8929     int		flags = 0;
8930 
8931     if (cap->oap->op_type != OP_NOP)
8932     {
8933 #ifdef FEAT_DIFF
8934 	/* "dp" is ":diffput" */
8935 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
8936 	{
8937 	    clearop(cap->oap);
8938 	    nv_diffgetput(TRUE);
8939 	}
8940 	else
8941 #endif
8942 	clearopbeep(cap->oap);
8943     }
8944     else
8945     {
8946 	dir = (cap->cmdchar == 'P'
8947 		|| (cap->cmdchar == 'g' && cap->nchar == 'P'))
8948 							 ? BACKWARD : FORWARD;
8949 	prep_redo_cmd(cap);
8950 	if (cap->cmdchar == 'g')
8951 	    flags |= PUT_CURSEND;
8952 
8953 #ifdef FEAT_VISUAL
8954 	if (VIsual_active)
8955 	{
8956 	    /* Putting in Visual mode: The put text replaces the selected
8957 	     * text.  First delete the selected text, then put the new text.
8958 	     * Need to save and restore the registers that the delete
8959 	     * overwrites if the old contents is being put.
8960 	     */
8961 	    was_visual = TRUE;
8962 	    regname = cap->oap->regname;
8963 # ifdef FEAT_CLIPBOARD
8964 	    adjust_clip_reg(&regname);
8965 # endif
8966 	    if (regname == 0 || VIM_ISDIGIT(regname)
8967 # ifdef FEAT_CLIPBOARD
8968 		    || (clip_unnamed && (regname == '*' || regname == '+'))
8969 # endif
8970 
8971 		    )
8972 	    {
8973 		/* the delete is going to overwrite the register we want to
8974 		 * put, save it first. */
8975 		reg1 = get_register(regname, TRUE);
8976 	    }
8977 
8978 	    /* Now delete the selected text. */
8979 	    cap->cmdchar = 'd';
8980 	    cap->nchar = NUL;
8981 	    cap->oap->regname = NUL;
8982 	    nv_operator(cap);
8983 	    do_pending_operator(cap, 0, FALSE);
8984 	    empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
8985 
8986 	    /* delete PUT_LINE_BACKWARD; */
8987 	    cap->oap->regname = regname;
8988 
8989 	    if (reg1 != NULL)
8990 	    {
8991 		/* Delete probably changed the register we want to put, save
8992 		 * it first. Then put back what was there before the delete. */
8993 		reg2 = get_register(regname, FALSE);
8994 		put_register(regname, reg1);
8995 	    }
8996 
8997 	    /* When deleted a linewise Visual area, put the register as
8998 	     * lines to avoid it joined with the next line.  When deletion was
8999 	     * characterwise, split a line when putting lines. */
9000 	    if (VIsual_mode == 'V')
9001 		flags |= PUT_LINE;
9002 	    else if (VIsual_mode == 'v')
9003 		flags |= PUT_LINE_SPLIT;
9004 	    if (VIsual_mode == Ctrl_V && dir == FORWARD)
9005 		flags |= PUT_LINE_FORWARD;
9006 	    dir = BACKWARD;
9007 	    if ((VIsual_mode != 'V'
9008 			&& curwin->w_cursor.col < curbuf->b_op_start.col)
9009 		    || (VIsual_mode == 'V'
9010 			&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9011 		/* cursor is at the end of the line or end of file, put
9012 		 * forward. */
9013 		dir = FORWARD;
9014 	}
9015 #endif
9016 	do_put(cap->oap->regname, dir, cap->count1, flags);
9017 
9018 #ifdef FEAT_VISUAL
9019 	/* If a register was saved, put it back now. */
9020 	if (reg2 != NULL)
9021 	    put_register(regname, reg2);
9022 
9023 	/* What to reselect with "gv"?  Selecting the just put text seems to
9024 	 * be the most useful, since the original text was removed. */
9025 	if (was_visual)
9026 	{
9027 	    curbuf->b_visual.vi_start = curbuf->b_op_start;
9028 	    curbuf->b_visual.vi_end = curbuf->b_op_end;
9029 	}
9030 
9031 	/* When all lines were selected and deleted do_put() leaves an empty
9032 	 * line that needs to be deleted now. */
9033 	if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9034 	{
9035 	    ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9036 
9037 	    /* If the cursor was in that line, move it to the end of the last
9038 	     * line. */
9039 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9040 	    {
9041 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9042 		coladvance((colnr_T)MAXCOL);
9043 	    }
9044 	}
9045 #endif
9046 	auto_format(FALSE, TRUE);
9047     }
9048 }
9049 
9050 /*
9051  * "o" and "O" commands.
9052  */
9053     static void
9054 nv_open(cap)
9055     cmdarg_T	*cap;
9056 {
9057 #ifdef FEAT_DIFF
9058     /* "do" is ":diffget" */
9059     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9060     {
9061 	clearop(cap->oap);
9062 	nv_diffgetput(FALSE);
9063     }
9064     else
9065 #endif
9066 #ifdef FEAT_VISUAL
9067     if (VIsual_active)  /* switch start and end of visual */
9068 	v_swap_corners(cap->cmdchar);
9069     else
9070 #endif
9071 	n_opencmd(cap);
9072 }
9073 
9074 #ifdef FEAT_SNIFF
9075 /*ARGSUSED*/
9076     static void
9077 nv_sniff(cap)
9078     cmdarg_T	*cap;
9079 {
9080     ProcessSniffRequests();
9081 }
9082 #endif
9083 
9084 #ifdef FEAT_NETBEANS_INTG
9085     static void
9086 nv_nbcmd(cap)
9087     cmdarg_T	*cap;
9088 {
9089     netbeans_keycommand(cap->nchar);
9090 }
9091 #endif
9092 
9093 #ifdef FEAT_DND
9094 /*ARGSUSED*/
9095     static void
9096 nv_drop(cap)
9097     cmdarg_T	*cap;
9098 {
9099     do_put('~', BACKWARD, 1L, PUT_CURSEND);
9100 }
9101 #endif
9102 
9103 #ifdef FEAT_AUTOCMD
9104 /*
9105  * Trigger CursorHold event.
9106  * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9107  * input buffer.  "did_cursorhold" is set to avoid retriggering.
9108  */
9109 /*ARGSUSED*/
9110     static void
9111 nv_cursorhold(cap)
9112     cmdarg_T	*cap;
9113 {
9114     apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9115     did_cursorhold = TRUE;
9116     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
9117 }
9118 #endif
9119