xref: /vim-8.2.3635/src/normal.c (revision f233048a)
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 #ifdef FEAT_EVAL
145 static void	set_op_var __ARGS((int optype));
146 #endif
147 static void	nv_lineop __ARGS((cmdarg_T *cap));
148 static void	nv_home __ARGS((cmdarg_T *cap));
149 static void	nv_pipe __ARGS((cmdarg_T *cap));
150 static void	nv_bck_word __ARGS((cmdarg_T *cap));
151 static void	nv_wordcmd __ARGS((cmdarg_T *cap));
152 static void	nv_beginline __ARGS((cmdarg_T *cap));
153 static void	adjust_cursor __ARGS((oparg_T *oap));
154 #ifdef FEAT_VISUAL
155 static void	adjust_for_sel __ARGS((cmdarg_T *cap));
156 static int	unadjust_for_sel __ARGS((void));
157 static void	nv_select __ARGS((cmdarg_T *cap));
158 #endif
159 static void	nv_goto __ARGS((cmdarg_T *cap));
160 static void	nv_normal __ARGS((cmdarg_T *cap));
161 static void	nv_esc __ARGS((cmdarg_T *oap));
162 static void	nv_edit __ARGS((cmdarg_T *cap));
163 static void	invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
164 #ifdef FEAT_TEXTOBJ
165 static void	nv_object __ARGS((cmdarg_T *cap));
166 #endif
167 static void	nv_record __ARGS((cmdarg_T *cap));
168 static void	nv_at __ARGS((cmdarg_T *cap));
169 static void	nv_halfpage __ARGS((cmdarg_T *cap));
170 static void	nv_join __ARGS((cmdarg_T *cap));
171 static void	nv_put __ARGS((cmdarg_T *cap));
172 static void	nv_open __ARGS((cmdarg_T *cap));
173 #ifdef FEAT_SNIFF
174 static void	nv_sniff __ARGS((cmdarg_T *cap));
175 #endif
176 #ifdef FEAT_NETBEANS_INTG
177 static void	nv_nbcmd __ARGS((cmdarg_T *cap));
178 #endif
179 #ifdef FEAT_DND
180 static void	nv_drop __ARGS((cmdarg_T *cap));
181 #endif
182 #ifdef FEAT_AUTOCMD
183 static void	nv_cursorhold __ARGS((cmdarg_T *cap));
184 #endif
185 
186 /*
187  * Function to be called for a Normal or Visual mode command.
188  * The argument is a cmdarg_T.
189  */
190 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
191 
192 /* Values for cmd_flags. */
193 #define NV_NCH	    0x01	  /* may need to get a second char */
194 #define NV_NCH_NOP  (0x02|NV_NCH) /* get second char when no operator pending */
195 #define NV_NCH_ALW  (0x04|NV_NCH) /* always get a second char */
196 #define NV_LANG	    0x08	/* second char needs language adjustment */
197 
198 #define NV_SS	    0x10	/* may start selection */
199 #define NV_SSS	    0x20	/* may start selection with shift modifier */
200 #define NV_STS	    0x40	/* may stop selection without shift modif. */
201 #define NV_RL	    0x80	/* 'rightleft' modifies command */
202 #define NV_KEEPREG  0x100	/* don't clear regname */
203 #define NV_NCW	    0x200	/* not allowed in command-line window */
204 
205 /*
206  * Generally speaking, every Normal mode command should either clear any
207  * pending operator (with *clearop*()), or set the motion type variable
208  * oap->motion_type.
209  *
210  * When a cursor motion command is made, it is marked as being a character or
211  * line oriented motion.  Then, if an operator is in effect, the operation
212  * becomes character or line oriented accordingly.
213  */
214 
215 /*
216  * This table contains one entry for every Normal or Visual mode command.
217  * The order doesn't matter, init_normal_cmds() will create a sorted index.
218  * It is faster when all keys from zero to '~' are present.
219  */
220 static const struct nv_cmd
221 {
222     int		cmd_char;	/* (first) command character */
223     nv_func_T   cmd_func;	/* function for this command */
224     short_u	cmd_flags;	/* NV_ flags */
225     short	cmd_arg;	/* value for ca.arg */
226 } nv_cmds[] =
227 {
228     {NUL,	nv_error,	0,			0},
229     {Ctrl_A,	nv_addsub,	0,			0},
230     {Ctrl_B,	nv_page,	NV_STS,			BACKWARD},
231     {Ctrl_C,	nv_esc,		0,			TRUE},
232     {Ctrl_D,	nv_halfpage,	0,			0},
233     {Ctrl_E,	nv_scroll_line,	0,			TRUE},
234     {Ctrl_F,	nv_page,	NV_STS,			FORWARD},
235     {Ctrl_G,	nv_ctrlg,	0,			0},
236     {Ctrl_H,	nv_ctrlh,	0,			0},
237     {Ctrl_I,	nv_pcmark,	0,			0},
238     {NL,	nv_down,	0,			FALSE},
239     {Ctrl_K,	nv_error,	0,			0},
240     {Ctrl_L,	nv_clear,	0,			0},
241     {Ctrl_M,	nv_down,	0,			TRUE},
242     {Ctrl_N,	nv_down,	NV_STS,			FALSE},
243     {Ctrl_O,	nv_ctrlo,	0,			0},
244     {Ctrl_P,	nv_up,		NV_STS,			FALSE},
245 #ifdef FEAT_VISUAL
246     {Ctrl_Q,	nv_visual,	0,			FALSE},
247 #else
248     {Ctrl_Q,	nv_ignore,	0,			0},
249 #endif
250     {Ctrl_R,	nv_redo,	0,			0},
251     {Ctrl_S,	nv_ignore,	0,			0},
252     {Ctrl_T,	nv_tagpop,	NV_NCW,			0},
253     {Ctrl_U,	nv_halfpage,	0,			0},
254 #ifdef FEAT_VISUAL
255     {Ctrl_V,	nv_visual,	0,			FALSE},
256     {'V',	nv_visual,	0,			FALSE},
257     {'v',	nv_visual,	0,			FALSE},
258 #else
259     {Ctrl_V,	nv_error,	0,			0},
260     {'V',	nv_error,	0,			0},
261     {'v',	nv_error,	0,			0},
262 #endif
263     {Ctrl_W,	nv_window,	0,			0},
264     {Ctrl_X,	nv_addsub,	0,			0},
265     {Ctrl_Y,	nv_scroll_line,	0,			FALSE},
266     {Ctrl_Z,	nv_suspend,	0,			0},
267     {ESC,	nv_esc,		0,			FALSE},
268     {Ctrl_BSL,	nv_normal,	NV_NCH_ALW,		0},
269     {Ctrl_RSB,	nv_ident,	NV_NCW,			0},
270     {Ctrl_HAT,	nv_hat,		NV_NCW,			0},
271     {Ctrl__,	nv_error,	0,			0},
272     {' ',	nv_right,	0,			0},
273     {'!',	nv_operator,	0,			0},
274     {'"',	nv_regname,	NV_NCH_NOP|NV_KEEPREG,	0},
275     {'#',	nv_ident,	0,			0},
276     {'$',	nv_dollar,	0,			0},
277     {'%',	nv_percent,	0,			0},
278     {'&',	nv_optrans,	0,			0},
279     {'\'',	nv_gomark,	NV_NCH_ALW,		TRUE},
280     {'(',	nv_brace,	0,			BACKWARD},
281     {')',	nv_brace,	0,			FORWARD},
282     {'*',	nv_ident,	0,			0},
283     {'+',	nv_down,	0,			TRUE},
284     {',',	nv_csearch,	0,			TRUE},
285     {'-',	nv_up,		0,			TRUE},
286     {'.',	nv_dot,		NV_KEEPREG,		0},
287     {'/',	nv_search,	0,			FALSE},
288     {'0',	nv_beginline,	0,			0},
289     {'1',	nv_ignore,	0,			0},
290     {'2',	nv_ignore,	0,			0},
291     {'3',	nv_ignore,	0,			0},
292     {'4',	nv_ignore,	0,			0},
293     {'5',	nv_ignore,	0,			0},
294     {'6',	nv_ignore,	0,			0},
295     {'7',	nv_ignore,	0,			0},
296     {'8',	nv_ignore,	0,			0},
297     {'9',	nv_ignore,	0,			0},
298     {':',	nv_colon,	0,			0},
299     {';',	nv_csearch,	0,			FALSE},
300     {'<',	nv_operator,	NV_RL,			0},
301     {'=',	nv_operator,	0,			0},
302     {'>',	nv_operator,	NV_RL,			0},
303     {'?',	nv_search,	0,			FALSE},
304     {'@',	nv_at,		NV_NCH_NOP,		FALSE},
305     {'A',	nv_edit,	0,			0},
306     {'B',	nv_bck_word,	0,			1},
307     {'C',	nv_abbrev,	NV_KEEPREG,		0},
308     {'D',	nv_abbrev,	NV_KEEPREG,		0},
309     {'E',	nv_wordcmd,	0,			TRUE},
310     {'F',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
311     {'G',	nv_goto,	0,			TRUE},
312     {'H',	nv_scroll,	0,			0},
313     {'I',	nv_edit,	0,			0},
314     {'J',	nv_join,	0,			0},
315     {'K',	nv_ident,	0,			0},
316     {'L',	nv_scroll,	0,			0},
317     {'M',	nv_scroll,	0,			0},
318     {'N',	nv_next,	0,			SEARCH_REV},
319     {'O',	nv_open,	0,			0},
320     {'P',	nv_put,		0,			0},
321     {'Q',	nv_exmode,	NV_NCW,			0},
322     {'R',	nv_Replace,	0,			FALSE},
323     {'S',	nv_subst,	NV_KEEPREG,		0},
324     {'T',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
325     {'U',	nv_Undo,	0,			0},
326     {'W',	nv_wordcmd,	0,			TRUE},
327     {'X',	nv_abbrev,	NV_KEEPREG,		0},
328     {'Y',	nv_abbrev,	NV_KEEPREG,		0},
329     {'Z',	nv_Zet,		NV_NCH_NOP|NV_NCW,	0},
330     {'[',	nv_brackets,	NV_NCH_ALW,		BACKWARD},
331     {'\\',	nv_error,	0,			0},
332     {']',	nv_brackets,	NV_NCH_ALW,		FORWARD},
333     {'^',	nv_beginline,	0,			BL_WHITE | BL_FIX},
334     {'_',	nv_lineop,	0,			0},
335     {'`',	nv_gomark,	NV_NCH_ALW,		FALSE},
336     {'a',	nv_edit,	NV_NCH,			0},
337     {'b',	nv_bck_word,	0,			0},
338     {'c',	nv_operator,	0,			0},
339     {'d',	nv_operator,	0,			0},
340     {'e',	nv_wordcmd,	0,			FALSE},
341     {'f',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
342     {'g',	nv_g_cmd,	NV_NCH_ALW,		FALSE},
343     {'h',	nv_left,	NV_RL,			0},
344     {'i',	nv_edit,	NV_NCH,			0},
345     {'j',	nv_down,	0,			FALSE},
346     {'k',	nv_up,		0,			FALSE},
347     {'l',	nv_right,	NV_RL,			0},
348     {'m',	nv_mark,	NV_NCH_NOP,		0},
349     {'n',	nv_next,	0,			0},
350     {'o',	nv_open,	0,			0},
351     {'p',	nv_put,		0,			0},
352     {'q',	nv_record,	NV_NCH,			0},
353     {'r',	nv_replace,	NV_NCH_NOP|NV_LANG,	0},
354     {'s',	nv_subst,	NV_KEEPREG,		0},
355     {'t',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
356     {'u',	nv_undo,	0,			0},
357     {'w',	nv_wordcmd,	0,			FALSE},
358     {'x',	nv_abbrev,	NV_KEEPREG,		0},
359     {'y',	nv_operator,	0,			0},
360     {'z',	nv_zet,		NV_NCH_ALW,		0},
361     {'{',	nv_findpar,	0,			BACKWARD},
362     {'|',	nv_pipe,	0,			0},
363     {'}',	nv_findpar,	0,			FORWARD},
364     {'~',	nv_tilde,	0,			0},
365 
366     /* pound sign */
367     {POUND,	nv_ident,	0,			0},
368 #ifdef FEAT_MOUSE
369     {K_MOUSEUP, nv_mousescroll,	0,			TRUE},
370     {K_MOUSEDOWN, nv_mousescroll, 0,			FALSE},
371     {K_LEFTMOUSE, nv_mouse,	0,			0},
372     {K_LEFTMOUSE_NM, nv_mouse,	0,			0},
373     {K_LEFTDRAG, nv_mouse,	0,			0},
374     {K_LEFTRELEASE, nv_mouse,	0,			0},
375     {K_LEFTRELEASE_NM, nv_mouse, 0,			0},
376     {K_MIDDLEMOUSE, nv_mouse,	0,			0},
377     {K_MIDDLEDRAG, nv_mouse,	0,			0},
378     {K_MIDDLERELEASE, nv_mouse,	0,			0},
379     {K_RIGHTMOUSE, nv_mouse,	0,			0},
380     {K_RIGHTDRAG, nv_mouse,	0,			0},
381     {K_RIGHTRELEASE, nv_mouse,	0,			0},
382     {K_X1MOUSE, nv_mouse,	0,			0},
383     {K_X1DRAG, nv_mouse,	0,			0},
384     {K_X1RELEASE, nv_mouse,	0,			0},
385     {K_X2MOUSE, nv_mouse,	0,			0},
386     {K_X2DRAG, nv_mouse,	0,			0},
387     {K_X2RELEASE, nv_mouse,	0,			0},
388 #endif
389     {K_IGNORE,	nv_ignore,	NV_KEEPREG,		0},
390     {K_NOP,	nv_nop,		0,			0},
391     {K_INS,	nv_edit,	0,			0},
392     {K_KINS,	nv_edit,	0,			0},
393     {K_BS,	nv_ctrlh,	0,			0},
394     {K_UP,	nv_up,		NV_SSS|NV_STS,		FALSE},
395     {K_S_UP,	nv_page,	NV_SS,			BACKWARD},
396     {K_DOWN,	nv_down,	NV_SSS|NV_STS,		FALSE},
397     {K_S_DOWN,	nv_page,	NV_SS,			FORWARD},
398     {K_LEFT,	nv_left,	NV_SSS|NV_STS|NV_RL,	0},
399     {K_S_LEFT,	nv_bck_word,	NV_SS|NV_RL,		0},
400     {K_C_LEFT,	nv_bck_word,	NV_SSS|NV_RL|NV_STS,	1},
401     {K_RIGHT,	nv_right,	NV_SSS|NV_STS|NV_RL,	0},
402     {K_S_RIGHT,	nv_wordcmd,	NV_SS|NV_RL,		FALSE},
403     {K_C_RIGHT,	nv_wordcmd,	NV_SSS|NV_RL|NV_STS,	TRUE},
404     {K_PAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
405     {K_KPAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
406     {K_PAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
407     {K_KPAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
408     {K_END,	nv_end,		NV_SSS|NV_STS,		FALSE},
409     {K_KEND,	nv_end,		NV_SSS|NV_STS,		FALSE},
410     {K_S_END,	nv_end,		NV_SS,			FALSE},
411     {K_C_END,	nv_end,		NV_SSS|NV_STS,		TRUE},
412     {K_HOME,	nv_home,	NV_SSS|NV_STS,		0},
413     {K_KHOME,	nv_home,	NV_SSS|NV_STS,		0},
414     {K_S_HOME,	nv_home,	NV_SS,			0},
415     {K_C_HOME,	nv_goto,	NV_SSS|NV_STS,		FALSE},
416     {K_DEL,	nv_abbrev,	0,			0},
417     {K_KDEL,	nv_abbrev,	0,			0},
418     {K_UNDO,	nv_kundo,	0,			0},
419     {K_HELP,	nv_help,	NV_NCW,			0},
420     {K_F1,	nv_help,	NV_NCW,			0},
421     {K_XF1,	nv_help,	NV_NCW,			0},
422 #ifdef FEAT_VISUAL
423     {K_SELECT,	nv_select,	0,			0},
424 #endif
425 #ifdef FEAT_GUI
426     {K_VER_SCROLLBAR, nv_ver_scrollbar, 0,		0},
427     {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0,		0},
428 #endif
429 #ifdef FEAT_GUI_TABLINE
430     {K_TABLINE, nv_tabline,	0,			0},
431     {K_TABMENU, nv_tabmenu,	0,			0},
432 #endif
433 #ifdef FEAT_FKMAP
434     {K_F8,	farsi_fkey,	0,			0},
435     {K_F9,	farsi_fkey,	0,			0},
436 #endif
437 #ifdef FEAT_SNIFF
438     {K_SNIFF,	nv_sniff,	0,			0},
439 #endif
440 #ifdef FEAT_NETBEANS_INTG
441     {K_F21,	nv_nbcmd,	NV_NCH_ALW,		0},
442 #endif
443 #ifdef FEAT_DND
444     {K_DROP,	nv_drop,	NV_STS,			0},
445 #endif
446 #ifdef FEAT_AUTOCMD
447     {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG,		0},
448 #endif
449 };
450 
451 /* Number of commands in nv_cmds[]. */
452 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
453 
454 /* Sorted index of commands in nv_cmds[]. */
455 static short nv_cmd_idx[NV_CMDS_SIZE];
456 
457 /* The highest index for which
458  * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
459 static int nv_max_linear;
460 
461 /*
462  * Compare functions for qsort() below, that checks the command character
463  * through the index in nv_cmd_idx[].
464  */
465     static int
466 #ifdef __BORLANDC__
467 _RTLENTRYF
468 #endif
469 nv_compare(s1, s2)
470     const void	*s1;
471     const void	*s2;
472 {
473     int		c1, c2;
474 
475     /* The commands are sorted on absolute value. */
476     c1 = nv_cmds[*(const short *)s1].cmd_char;
477     c2 = nv_cmds[*(const short *)s2].cmd_char;
478     if (c1 < 0)
479 	c1 = -c1;
480     if (c2 < 0)
481 	c2 = -c2;
482     return c1 - c2;
483 }
484 
485 /*
486  * Initialize the nv_cmd_idx[] table.
487  */
488     void
489 init_normal_cmds()
490 {
491     int		i;
492 
493     /* Fill the index table with a one to one relation. */
494     for (i = 0; i < NV_CMDS_SIZE; ++i)
495 	nv_cmd_idx[i] = i;
496 
497     /* Sort the commands by the command character.  */
498     qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
499 
500     /* Find the first entry that can't be indexed by the command character. */
501     for (i = 0; i < NV_CMDS_SIZE; ++i)
502 	if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
503 	    break;
504     nv_max_linear = i - 1;
505 }
506 
507 /*
508  * Search for a command in the commands table.
509  * Returns -1 for invalid command.
510  */
511     static int
512 find_command(cmdchar)
513     int		cmdchar;
514 {
515     int		i;
516     int		idx;
517     int		top, bot;
518     int		c;
519 
520 #ifdef FEAT_MBYTE
521     /* A multi-byte character is never a command. */
522     if (cmdchar >= 0x100)
523 	return -1;
524 #endif
525 
526     /* We use the absolute value of the character.  Special keys have a
527      * negative value, but are sorted on their absolute value. */
528     if (cmdchar < 0)
529 	cmdchar = -cmdchar;
530 
531     /* If the character is in the first part: The character is the index into
532      * nv_cmd_idx[]. */
533     if (cmdchar <= nv_max_linear)
534 	return nv_cmd_idx[cmdchar];
535 
536     /* Perform a binary search. */
537     bot = nv_max_linear + 1;
538     top = NV_CMDS_SIZE - 1;
539     idx = -1;
540     while (bot <= top)
541     {
542 	i = (top + bot) / 2;
543 	c = nv_cmds[nv_cmd_idx[i]].cmd_char;
544 	if (c < 0)
545 	    c = -c;
546 	if (cmdchar == c)
547 	{
548 	    idx = nv_cmd_idx[i];
549 	    break;
550 	}
551 	if (cmdchar > c)
552 	    bot = i + 1;
553 	else
554 	    top = i - 1;
555     }
556     return idx;
557 }
558 
559 /*
560  * Execute a command in Normal mode.
561  */
562 /*ARGSUSED*/
563     void
564 normal_cmd(oap, toplevel)
565     oparg_T	*oap;
566     int		toplevel;		/* TRUE when called from main() */
567 {
568     static long	opcount = 0;		/* ca.opcount saved here */
569     cmdarg_T	ca;			/* command arguments */
570     int		c;
571     int		ctrl_w = FALSE;		/* got CTRL-W command */
572     int		old_col = curwin->w_curswant;
573 #ifdef FEAT_CMDL_INFO
574     int		need_flushbuf;		/* need to call out_flush() */
575 #endif
576 #ifdef FEAT_VISUAL
577     pos_T	old_pos;		/* cursor position before command */
578     int		mapped_len;
579     static int	old_mapped_len = 0;
580 #endif
581     int		idx;
582 
583     vim_memset(&ca, 0, sizeof(ca));	/* also resets ca.retval */
584     ca.oap = oap;
585     ca.opcount = opcount;
586 
587 #ifdef FEAT_SNIFF
588     want_sniff_request = sniff_connected;
589 #endif
590 
591     /*
592      * If there is an operator pending, then the command we take this time
593      * will terminate it. Finish_op tells us to finish the operation before
594      * returning this time (unless the operation was cancelled).
595      */
596 #ifdef CURSOR_SHAPE
597     c = finish_op;
598 #endif
599     finish_op = (oap->op_type != OP_NOP);
600 #ifdef CURSOR_SHAPE
601     if (finish_op != c)
602     {
603 	ui_cursor_shape();		/* may show different cursor shape */
604 # ifdef FEAT_MOUSESHAPE
605 	update_mouseshape(-1);
606 # endif
607     }
608 #endif
609 
610     if (!finish_op && !oap->regname)
611 	ca.opcount = 0;
612 
613 #ifdef FEAT_VISUAL
614     mapped_len = typebuf_maplen();
615 #endif
616 
617     State = NORMAL_BUSY;
618 #ifdef USE_ON_FLY_SCROLL
619     dont_scroll = FALSE;	/* allow scrolling here */
620 #endif
621 
622     /*
623      * Get the command character from the user.
624      */
625     c = safe_vgetc();
626 
627 #ifdef FEAT_LANGMAP
628     LANGMAP_ADJUST(c, TRUE);
629 #endif
630 
631 #ifdef FEAT_VISUAL
632     /*
633      * If a mapping was started in Visual or Select mode, remember the length
634      * of the mapping.  This is used below to not return to Insert mode for as
635      * long as the mapping is being executed.
636      */
637     if (restart_edit == 0)
638 	old_mapped_len = 0;
639     else if (old_mapped_len
640 		|| (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
641 	old_mapped_len = typebuf_maplen();
642 #endif
643 
644     if (c == NUL)
645 	c = K_ZERO;
646 
647 #ifdef FEAT_VISUAL
648     /*
649      * In Select mode, typed text replaces the selection.
650      */
651     if (VIsual_active
652 	    && VIsual_select
653 	    && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
654     {
655 	/* Fake a "c"hange command.  When "restart_edit" is set (e.g., because
656 	 * 'insertmode' is set) fake a "d"elete command, Insert mode will
657 	 * restart automatically.
658 	 * Insert the typed character in the typeahead buffer, so that it can
659 	 * be mapped in Insert mode.  Required for ":lmap" to work. */
660 	ins_char_typebuf(c);
661 	if (restart_edit != 0)
662 	    c = 'd';
663 	else
664 	    c = 'c';
665 	msg_nowait = TRUE;	/* don't delay going to insert mode */
666     }
667 #endif
668 
669 #ifdef FEAT_CMDL_INFO
670     need_flushbuf = add_to_showcmd(c);
671 #endif
672 
673 getcount:
674 #ifdef FEAT_VISUAL
675     if (!(VIsual_active && VIsual_select))
676 #endif
677     {
678 	/*
679 	 * Handle a count before a command and compute ca.count0.
680 	 * Note that '0' is a command and not the start of a count, but it's
681 	 * part of a count after other digits.
682 	 */
683 	while (    (c >= '1' && c <= '9')
684 		|| (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
685 	{
686 	    if (c == K_DEL || c == K_KDEL)
687 	    {
688 		ca.count0 /= 10;
689 #ifdef FEAT_CMDL_INFO
690 		del_from_showcmd(4);	/* delete the digit and ~@% */
691 #endif
692 	    }
693 	    else
694 		ca.count0 = ca.count0 * 10 + (c - '0');
695 	    if (ca.count0 < 0)	    /* got too large! */
696 		ca.count0 = 999999999L;
697 #ifdef FEAT_EVAL
698 	    /* Set v:count here, when called from main() and not a stuffed
699 	     * command, so that v:count can be used in an expression mapping
700 	     * right after the count. */
701 	    if (toplevel && stuff_empty())
702 		set_vcount(ca.count0, ca.count0 == 0 ? 1 : ca.count0);
703 #endif
704 	    if (ctrl_w)
705 	    {
706 		++no_mapping;
707 		++allow_keys;		/* no mapping for nchar, but keys */
708 	    }
709 	    ++no_zero_mapping;		/* don't map zero here */
710 	    c = plain_vgetc();
711 #ifdef FEAT_LANGMAP
712 	    LANGMAP_ADJUST(c, TRUE);
713 #endif
714 	    --no_zero_mapping;
715 	    if (ctrl_w)
716 	    {
717 		--no_mapping;
718 		--allow_keys;
719 	    }
720 #ifdef FEAT_CMDL_INFO
721 	    need_flushbuf |= add_to_showcmd(c);
722 #endif
723 	}
724 
725 	/*
726 	 * If we got CTRL-W there may be a/another count
727 	 */
728 	if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
729 	{
730 	    ctrl_w = TRUE;
731 	    ca.opcount = ca.count0;	/* remember first count */
732 	    ca.count0 = 0;
733 	    ++no_mapping;
734 	    ++allow_keys;		/* no mapping for nchar, but keys */
735 	    c = plain_vgetc();		/* get next character */
736 #ifdef FEAT_LANGMAP
737 	    LANGMAP_ADJUST(c, TRUE);
738 #endif
739 	    --no_mapping;
740 	    --allow_keys;
741 #ifdef FEAT_CMDL_INFO
742 	    need_flushbuf |= add_to_showcmd(c);
743 #endif
744 	    goto getcount;		/* jump back */
745 	}
746     }
747 
748     /*
749      * If we're in the middle of an operator (including after entering a yank
750      * buffer with '"') AND we had a count before the operator, then that
751      * count overrides the current value of ca.count0.
752      * What this means effectively, is that commands like "3dw" get turned
753      * into "d3w" which makes things fall into place pretty neatly.
754      * If you give a count before AND after the operator, they are multiplied.
755      */
756     if (ca.opcount != 0)
757     {
758 	if (ca.count0)
759 	    ca.count0 *= ca.opcount;
760 	else
761 	    ca.count0 = ca.opcount;
762     }
763 
764     /*
765      * Always remember the count.  It will be set to zero (on the next call,
766      * above) when there is no pending operator.
767      * When called from main(), save the count for use by the "count" built-in
768      * variable.
769      */
770     ca.opcount = ca.count0;
771     ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
772 
773 #ifdef FEAT_EVAL
774     /*
775      * Only set v:count when called from main() and not a stuffed command.
776      */
777     if (toplevel && stuff_empty())
778 	set_vcount(ca.count0, ca.count1);
779 #endif
780 
781     /*
782      * Find the command character in the table of commands.
783      * For CTRL-W we already got nchar when looking for a count.
784      */
785     if (ctrl_w)
786     {
787 	ca.nchar = c;
788 	ca.cmdchar = Ctrl_W;
789     }
790     else
791 	ca.cmdchar = c;
792     idx = find_command(ca.cmdchar);
793     if (idx < 0)
794     {
795 	/* Not a known command: beep. */
796 	clearopbeep(oap);
797 	goto normal_end;
798     }
799 
800     if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
801     {
802 	/* This command is not allowed wile editing a ccmdline: beep. */
803 	clearopbeep(oap);
804 	text_locked_msg();
805 	goto normal_end;
806     }
807 #ifdef FEAT_AUTOCMD
808     if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
809 	goto normal_end;
810 #endif
811 
812 #ifdef FEAT_VISUAL
813     /*
814      * In Visual/Select mode, a few keys are handled in a special way.
815      */
816     if (VIsual_active)
817     {
818 	/* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
819 	if (km_stopsel
820 		&& (nv_cmds[idx].cmd_flags & NV_STS)
821 		&& !(mod_mask & MOD_MASK_SHIFT))
822 	{
823 	    end_visual_mode();
824 	    redraw_curbuf_later(INVERTED);
825 	}
826 
827 	/* Keys that work different when 'keymodel' contains "startsel" */
828 	if (km_startsel)
829 	{
830 	    if (nv_cmds[idx].cmd_flags & NV_SS)
831 	    {
832 		unshift_special(&ca);
833 		idx = find_command(ca.cmdchar);
834 		if (idx < 0)
835 		{
836 		    /* Just in case */
837 		    clearopbeep(oap);
838 		    goto normal_end;
839 		}
840 	    }
841 	    else if ((nv_cmds[idx].cmd_flags & NV_SSS)
842 					       && (mod_mask & MOD_MASK_SHIFT))
843 	    {
844 		mod_mask &= ~MOD_MASK_SHIFT;
845 	    }
846 	}
847     }
848 #endif
849 
850 #ifdef FEAT_RIGHTLEFT
851     if (curwin->w_p_rl && KeyTyped && !KeyStuffed
852 					  && (nv_cmds[idx].cmd_flags & NV_RL))
853     {
854 	/* Invert horizontal movements and operations.  Only when typed by the
855 	 * user directly, not when the result of a mapping or "x" translated
856 	 * to "dl". */
857 	switch (ca.cmdchar)
858 	{
859 	    case 'l':	    ca.cmdchar = 'h'; break;
860 	    case K_RIGHT:   ca.cmdchar = K_LEFT; break;
861 	    case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
862 	    case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
863 	    case 'h':	    ca.cmdchar = 'l'; break;
864 	    case K_LEFT:    ca.cmdchar = K_RIGHT; break;
865 	    case K_S_LEFT:  ca.cmdchar = K_S_RIGHT; break;
866 	    case K_C_LEFT:  ca.cmdchar = K_C_RIGHT; break;
867 	    case '>':	    ca.cmdchar = '<'; break;
868 	    case '<':	    ca.cmdchar = '>'; break;
869 	}
870 	idx = find_command(ca.cmdchar);
871     }
872 #endif
873 
874     /*
875      * Get an additional character if we need one.
876      */
877     if ((nv_cmds[idx].cmd_flags & NV_NCH)
878 	    && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
879 		    && oap->op_type == OP_NOP)
880 		|| (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
881 		|| (ca.cmdchar == 'q'
882 		    && oap->op_type == OP_NOP
883 		    && !Recording
884 		    && !Exec_reg)
885 		|| ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
886 		    && (oap->op_type != OP_NOP
887 #ifdef FEAT_VISUAL
888 			|| VIsual_active
889 #endif
890 		       ))))
891     {
892 	int	*cp;
893 	int	repl = FALSE;	/* get character for replace mode */
894 	int	lit = FALSE;	/* get extra character literally */
895 	int	langmap_active = FALSE;    /* using :lmap mappings */
896 	int	lang;		/* getting a text character */
897 #ifdef USE_IM_CONTROL
898 	int	save_smd;	/* saved value of p_smd */
899 #endif
900 
901 	++no_mapping;
902 	++allow_keys;		/* no mapping for nchar, but allow key codes */
903 #ifdef FEAT_AUTOCMD
904 	/* Don't generate a CursorHold event here, most commands can't handle
905 	 * it, e.g., nv_replace(), nv_csearch(). */
906 	did_cursorhold = TRUE;
907 #endif
908 	if (ca.cmdchar == 'g')
909 	{
910 	    /*
911 	     * For 'g' get the next character now, so that we can check for
912 	     * "gr", "g'" and "g`".
913 	     */
914 	    ca.nchar = plain_vgetc();
915 #ifdef FEAT_LANGMAP
916 	    LANGMAP_ADJUST(ca.nchar, TRUE);
917 #endif
918 #ifdef FEAT_CMDL_INFO
919 	    need_flushbuf |= add_to_showcmd(ca.nchar);
920 #endif
921 	    if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
922 						      || ca.nchar == Ctrl_BSL)
923 	    {
924 		cp = &ca.extra_char;	/* need to get a third character */
925 		if (ca.nchar != 'r')
926 		    lit = TRUE;			/* get it literally */
927 		else
928 		    repl = TRUE;		/* get it in replace mode */
929 	    }
930 	    else
931 		cp = NULL;		/* no third character needed */
932 	}
933 	else
934 	{
935 	    if (ca.cmdchar == 'r')		/* get it in replace mode */
936 		repl = TRUE;
937 	    cp = &ca.nchar;
938 	}
939 	lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
940 
941 	/*
942 	 * Get a second or third character.
943 	 */
944 	if (cp != NULL)
945 	{
946 #ifdef CURSOR_SHAPE
947 	    if (repl)
948 	    {
949 		State = REPLACE;	/* pretend Replace mode */
950 		ui_cursor_shape();	/* show different cursor shape */
951 	    }
952 #endif
953 	    if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
954 	    {
955 		/* Allow mappings defined with ":lmap". */
956 		--no_mapping;
957 		--allow_keys;
958 		if (repl)
959 		    State = LREPLACE;
960 		else
961 		    State = LANGMAP;
962 		langmap_active = TRUE;
963 	    }
964 #ifdef USE_IM_CONTROL
965 	    save_smd = p_smd;
966 	    p_smd = FALSE;	/* Don't let the IM code show the mode here */
967 	    if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
968 		im_set_active(TRUE);
969 #endif
970 
971 	    *cp = plain_vgetc();
972 
973 	    if (langmap_active)
974 	    {
975 		/* Undo the decrement done above */
976 		++no_mapping;
977 		++allow_keys;
978 		State = NORMAL_BUSY;
979 	    }
980 #ifdef USE_IM_CONTROL
981 	    if (lang)
982 	    {
983 		if (curbuf->b_p_iminsert != B_IMODE_LMAP)
984 		    im_save_status(&curbuf->b_p_iminsert);
985 		im_set_active(FALSE);
986 	    }
987 	    p_smd = save_smd;
988 #endif
989 #ifdef CURSOR_SHAPE
990 	    State = NORMAL_BUSY;
991 #endif
992 #ifdef FEAT_CMDL_INFO
993 	    need_flushbuf |= add_to_showcmd(*cp);
994 #endif
995 
996 	    if (!lit)
997 	    {
998 #ifdef FEAT_DIGRAPHS
999 		/* Typing CTRL-K gets a digraph. */
1000 		if (*cp == Ctrl_K
1001 			&& ((nv_cmds[idx].cmd_flags & NV_LANG)
1002 			    || cp == &ca.extra_char)
1003 			&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
1004 		{
1005 		    c = get_digraph(FALSE);
1006 		    if (c > 0)
1007 		    {
1008 			*cp = c;
1009 # ifdef FEAT_CMDL_INFO
1010 			/* Guessing how to update showcmd here... */
1011 			del_from_showcmd(3);
1012 			need_flushbuf |= add_to_showcmd(*cp);
1013 # endif
1014 		    }
1015 		}
1016 #endif
1017 
1018 #ifdef FEAT_LANGMAP
1019 		/* adjust chars > 127, except after "tTfFr" commands */
1020 		LANGMAP_ADJUST(*cp, !lang);
1021 #endif
1022 #ifdef FEAT_RIGHTLEFT
1023 		/* adjust Hebrew mapped char */
1024 		if (p_hkmap && lang && KeyTyped)
1025 		    *cp = hkmap(*cp);
1026 # ifdef FEAT_FKMAP
1027 		/* adjust Farsi mapped char */
1028 		if (p_fkmap && lang && KeyTyped)
1029 		    *cp = fkmap(*cp);
1030 # endif
1031 #endif
1032 	    }
1033 
1034 	    /*
1035 	     * When the next character is CTRL-\ a following CTRL-N means the
1036 	     * command is aborted and we go to Normal mode.
1037 	     */
1038 	    if (cp == &ca.extra_char
1039 		    && ca.nchar == Ctrl_BSL
1040 		    && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1041 	    {
1042 		ca.cmdchar = Ctrl_BSL;
1043 		ca.nchar = ca.extra_char;
1044 		idx = find_command(ca.cmdchar);
1045 	    }
1046 	    else if (*cp == Ctrl_BSL)
1047 	    {
1048 		long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1049 
1050 		/* There is a busy wait here when typing "f<C-\>" and then
1051 		 * something different from CTRL-N.  Can't be avoided. */
1052 		while ((c = vpeekc()) <= 0 && towait > 0L)
1053 		{
1054 		    do_sleep(towait > 50L ? 50L : towait);
1055 		    towait -= 50L;
1056 		}
1057 		if (c > 0)
1058 		{
1059 		    c = plain_vgetc();
1060 		    if (c != Ctrl_N && c != Ctrl_G)
1061 			vungetc(c);
1062 		    else
1063 		    {
1064 			ca.cmdchar = Ctrl_BSL;
1065 			ca.nchar = c;
1066 			idx = find_command(ca.cmdchar);
1067 		    }
1068 		}
1069 	    }
1070 
1071 #ifdef FEAT_MBYTE
1072 	    /* When getting a text character and the next character is a
1073 	     * multi-byte character, it could be a composing character.
1074 	     * However, don't wait for it to arrive. */
1075 	    while (enc_utf8 && lang && (c = vpeekc()) > 0
1076 				 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1077 	    {
1078 		c = plain_vgetc();
1079 		if (!utf_iscomposing(c))
1080 		{
1081 		    vungetc(c);		/* it wasn't, put it back */
1082 		    break;
1083 		}
1084 		else if (ca.ncharC1 == 0)
1085 		    ca.ncharC1 = c;
1086 		else
1087 		    ca.ncharC2 = c;
1088 	    }
1089 #endif
1090 	}
1091 	--no_mapping;
1092 	--allow_keys;
1093     }
1094 
1095 #ifdef FEAT_CMDL_INFO
1096     /*
1097      * Flush the showcmd characters onto the screen so we can see them while
1098      * the command is being executed.  Only do this when the shown command was
1099      * actually displayed, otherwise this will slow down a lot when executing
1100      * mappings.
1101      */
1102     if (need_flushbuf)
1103 	out_flush();
1104 #endif
1105 #ifdef FEAT_AUTOCMD
1106     did_cursorhold = FALSE;
1107 #endif
1108 
1109     State = NORMAL;
1110 
1111     if (ca.nchar == ESC)
1112     {
1113 	clearop(oap);
1114 	if (restart_edit == 0 && goto_im())
1115 	    restart_edit = 'a';
1116 	goto normal_end;
1117     }
1118 
1119     if (ca.cmdchar != K_IGNORE)
1120     {
1121 	msg_didout = FALSE;    /* don't scroll screen up for normal command */
1122 	msg_col = 0;
1123     }
1124 
1125 #ifdef FEAT_VISUAL
1126     old_pos = curwin->w_cursor;		/* remember where cursor was */
1127 
1128     /* When 'keymodel' contains "startsel" some keys start Select/Visual
1129      * mode. */
1130     if (!VIsual_active && km_startsel)
1131     {
1132 	if (nv_cmds[idx].cmd_flags & NV_SS)
1133 	{
1134 	    start_selection();
1135 	    unshift_special(&ca);
1136 	    idx = find_command(ca.cmdchar);
1137 	}
1138 	else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1139 					   && (mod_mask & MOD_MASK_SHIFT))
1140 	{
1141 	    start_selection();
1142 	    mod_mask &= ~MOD_MASK_SHIFT;
1143 	}
1144     }
1145 #endif
1146 
1147     /*
1148      * Execute the command!
1149      * Call the command function found in the commands table.
1150      */
1151     ca.arg = nv_cmds[idx].cmd_arg;
1152     (nv_cmds[idx].cmd_func)(&ca);
1153 
1154     /*
1155      * If we didn't start or finish an operator, reset oap->regname, unless we
1156      * need it later.
1157      */
1158     if (!finish_op
1159 	    && !oap->op_type
1160 	    && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1161     {
1162 	clearop(oap);
1163 #ifdef FEAT_EVAL
1164 	set_reg_var('"');
1165 #endif
1166     }
1167 
1168 #ifdef FEAT_VISUAL
1169     /* Get the length of mapped chars again after typing a count, second
1170      * character or "z333<cr>". */
1171     if (old_mapped_len > 0)
1172 	old_mapped_len = typebuf_maplen();
1173 #endif
1174 
1175     /*
1176      * If an operation is pending, handle it...
1177      */
1178     do_pending_operator(&ca, old_col, FALSE);
1179 
1180     /*
1181      * Wait for a moment when a message is displayed that will be overwritten
1182      * by the mode message.
1183      * In Visual mode and with "^O" in Insert mode, a short message will be
1184      * overwritten by the mode message.  Wait a bit, until a key is hit.
1185      * In Visual mode, it's more important to keep the Visual area updated
1186      * than keeping a message (e.g. from a /pat search).
1187      * Only do this if the command was typed, not from a mapping.
1188      * Don't wait when emsg_silent is non-zero.
1189      * Also wait a bit after an error message, e.g. for "^O:".
1190      * Don't redraw the screen, it would remove the message.
1191      */
1192     if (       ((p_smd
1193 		    && msg_silent == 0
1194 		    && (restart_edit != 0
1195 #ifdef FEAT_VISUAL
1196 			|| (VIsual_active
1197 			    && old_pos.lnum == curwin->w_cursor.lnum
1198 			    && old_pos.col == curwin->w_cursor.col)
1199 #endif
1200 		       )
1201 		    && (clear_cmdline
1202 			|| redraw_cmdline)
1203 		    && (msg_didout || (msg_didany && msg_scroll))
1204 		    && !msg_nowait
1205 		    && KeyTyped)
1206 		|| (restart_edit != 0
1207 #ifdef FEAT_VISUAL
1208 		    && !VIsual_active
1209 #endif
1210 		    && (msg_scroll
1211 			|| emsg_on_display)))
1212 	    && oap->regname == 0
1213 	    && !(ca.retval & CA_COMMAND_BUSY)
1214 	    && stuff_empty()
1215 	    && typebuf_typed()
1216 	    && emsg_silent == 0
1217 	    && !did_wait_return
1218 	    && oap->op_type == OP_NOP)
1219     {
1220 	int	save_State = State;
1221 
1222 	/* Draw the cursor with the right shape here */
1223 	if (restart_edit != 0)
1224 	    State = INSERT;
1225 
1226 	/* If need to redraw, and there is a "keep_msg", redraw before the
1227 	 * delay */
1228 	if (must_redraw && keep_msg != NULL && !emsg_on_display)
1229 	{
1230 	    char_u	*kmsg;
1231 
1232 	    kmsg = keep_msg;
1233 	    keep_msg = NULL;
1234 	    /* showmode() will clear keep_msg, but we want to use it anyway */
1235 	    update_screen(0);
1236 	    /* now reset it, otherwise it's put in the history again */
1237 	    keep_msg = kmsg;
1238 	    msg_attr(kmsg, keep_msg_attr);
1239 	    vim_free(kmsg);
1240 	}
1241 	setcursor();
1242 	cursor_on();
1243 	out_flush();
1244 	if (msg_scroll || emsg_on_display)
1245 	    ui_delay(1000L, TRUE);	/* wait at least one second */
1246 	ui_delay(3000L, FALSE);		/* wait up to three seconds */
1247 	State = save_State;
1248 
1249 	msg_scroll = FALSE;
1250 	emsg_on_display = FALSE;
1251     }
1252 
1253     /*
1254      * Finish up after executing a Normal mode command.
1255      */
1256 normal_end:
1257 
1258     msg_nowait = FALSE;
1259 
1260     /* Reset finish_op, in case it was set */
1261 #ifdef CURSOR_SHAPE
1262     c = finish_op;
1263 #endif
1264     finish_op = FALSE;
1265 #ifdef CURSOR_SHAPE
1266     /* Redraw the cursor with another shape, if we were in Operator-pending
1267      * mode or did a replace command. */
1268     if (c || ca.cmdchar == 'r')
1269     {
1270 	ui_cursor_shape();		/* may show different cursor shape */
1271 # ifdef FEAT_MOUSESHAPE
1272 	update_mouseshape(-1);
1273 # endif
1274     }
1275 #endif
1276 
1277 #ifdef FEAT_CMDL_INFO
1278     if (oap->op_type == OP_NOP && oap->regname == 0)
1279 	clear_showcmd();
1280 #endif
1281 
1282     checkpcmark();		/* check if we moved since setting pcmark */
1283     vim_free(ca.searchbuf);
1284 
1285 #ifdef FEAT_MBYTE
1286     if (has_mbyte)
1287 	mb_adjust_cursor();
1288 #endif
1289 
1290 #ifdef FEAT_SCROLLBIND
1291     if (curwin->w_p_scb && toplevel)
1292     {
1293 	validate_cursor();	/* may need to update w_leftcol */
1294 	do_check_scrollbind(TRUE);
1295     }
1296 #endif
1297 
1298     /*
1299      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1300      * if still inside a mapping that started in Visual mode).
1301      * May switch from Visual to Select mode after CTRL-O command.
1302      */
1303     if (       oap->op_type == OP_NOP
1304 #ifdef FEAT_VISUAL
1305 	    && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1306 		|| restart_VIsual_select == 1)
1307 #else
1308 	    && restart_edit != 0
1309 #endif
1310 	    && !(ca.retval & CA_COMMAND_BUSY)
1311 	    && stuff_empty()
1312 	    && oap->regname == 0)
1313     {
1314 #ifdef FEAT_VISUAL
1315 	if (restart_VIsual_select == 1)
1316 	{
1317 	    VIsual_select = TRUE;
1318 	    showmode();
1319 	    restart_VIsual_select = 0;
1320 	}
1321 #endif
1322 	if (restart_edit != 0
1323 #ifdef FEAT_VISUAL
1324 		&& !VIsual_active && old_mapped_len == 0
1325 #endif
1326 		)
1327 	    (void)edit(restart_edit, FALSE, 1L);
1328     }
1329 
1330 #ifdef FEAT_VISUAL
1331     if (restart_VIsual_select == 2)
1332 	restart_VIsual_select = 1;
1333 #endif
1334 
1335     /* Save count before an operator for next time. */
1336     opcount = ca.opcount;
1337 }
1338 
1339 /*
1340  * Handle an operator after visual mode or when the movement is finished
1341  */
1342     void
1343 do_pending_operator(cap, old_col, gui_yank)
1344     cmdarg_T	*cap;
1345     int		old_col;
1346     int		gui_yank;
1347 {
1348     oparg_T	*oap = cap->oap;
1349     pos_T	old_cursor;
1350     int		empty_region_error;
1351     int		restart_edit_save;
1352 
1353 #ifdef FEAT_VISUAL
1354     /* The visual area is remembered for redo */
1355     static int	    redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1356     static linenr_T redo_VIsual_line_count; /* number of lines */
1357     static colnr_T  redo_VIsual_col;	    /* number of cols or end column */
1358     static long	    redo_VIsual_count;	    /* count for Visual operator */
1359 # ifdef FEAT_VIRTUALEDIT
1360     int		    include_line_break = FALSE;
1361 # endif
1362 #endif
1363 
1364 #if defined(FEAT_CLIPBOARD)
1365     /*
1366      * Yank the visual area into the GUI selection register before we operate
1367      * on it and lose it forever.
1368      * Don't do it if a specific register was specified, so that ""x"*P works.
1369      * This could call do_pending_operator() recursively, but that's OK
1370      * because gui_yank will be TRUE for the nested call.
1371      */
1372     if (clip_star.available
1373 	    && oap->op_type != OP_NOP
1374 	    && !gui_yank
1375 # ifdef FEAT_VISUAL
1376 	    && VIsual_active
1377 	    && !redo_VIsual_busy
1378 # endif
1379 	    && oap->regname == 0)
1380 	clip_auto_select();
1381 #endif
1382     old_cursor = curwin->w_cursor;
1383 
1384     /*
1385      * If an operation is pending, handle it...
1386      */
1387     if ((finish_op
1388 #ifdef FEAT_VISUAL
1389 		|| VIsual_active
1390 #endif
1391 		) && oap->op_type != OP_NOP)
1392     {
1393 #ifdef FEAT_VISUAL
1394 	oap->is_VIsual = VIsual_active;
1395 	if (oap->motion_force == 'V')
1396 	    oap->motion_type = MLINE;
1397 	else if (oap->motion_force == 'v')
1398 	{
1399 	    /* If the motion was linewise, "inclusive" will not have been set.
1400 	     * Use "exclusive" to be consistent.  Makes "dvj" work nice. */
1401 	    if (oap->motion_type == MLINE)
1402 		oap->inclusive = FALSE;
1403 	    /* If the motion already was characterwise, toggle "inclusive" */
1404 	    else if (oap->motion_type == MCHAR)
1405 		oap->inclusive = !oap->inclusive;
1406 	    oap->motion_type = MCHAR;
1407 	}
1408 	else if (oap->motion_force == Ctrl_V)
1409 	{
1410 	    /* Change line- or characterwise motion into Visual block mode. */
1411 	    VIsual_active = TRUE;
1412 	    VIsual = oap->start;
1413 	    VIsual_mode = Ctrl_V;
1414 	    VIsual_select = FALSE;
1415 	    VIsual_reselect = FALSE;
1416 	}
1417 #endif
1418 
1419 	/* only redo yank when 'y' flag is in 'cpoptions' */
1420 	/* never redo "zf" (define fold) */
1421 	if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1422 #ifdef FEAT_VISUAL
1423 		&& (!VIsual_active || oap->motion_force)
1424 #endif
1425 		&& cap->cmdchar != 'D'
1426 #ifdef FEAT_FOLDING
1427 		&& oap->op_type != OP_FOLD
1428 		&& oap->op_type != OP_FOLDOPEN
1429 		&& oap->op_type != OP_FOLDOPENREC
1430 		&& oap->op_type != OP_FOLDCLOSE
1431 		&& oap->op_type != OP_FOLDCLOSEREC
1432 		&& oap->op_type != OP_FOLDDEL
1433 		&& oap->op_type != OP_FOLDDELREC
1434 #endif
1435 		)
1436 	{
1437 	    prep_redo(oap->regname, cap->count0,
1438 		    get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1439 		    oap->motion_force, cap->cmdchar, cap->nchar);
1440 	    if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1441 	    {
1442 		/*
1443 		 * If 'cpoptions' does not contain 'r', insert the search
1444 		 * pattern to really repeat the same command.
1445 		 */
1446 		if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1447 		    AppendToRedobuffLit(cap->searchbuf, -1);
1448 		AppendToRedobuff(NL_STR);
1449 	    }
1450 	    else if (cap->cmdchar == ':')
1451 	    {
1452 		/* do_cmdline() has stored the first typed line in
1453 		 * "repeat_cmdline".  When several lines are typed repeating
1454 		 * won't be possible. */
1455 		if (repeat_cmdline == NULL)
1456 		    ResetRedobuff();
1457 		else
1458 		{
1459 		    AppendToRedobuffLit(repeat_cmdline, -1);
1460 		    AppendToRedobuff(NL_STR);
1461 		    vim_free(repeat_cmdline);
1462 		    repeat_cmdline = NULL;
1463 		}
1464 	    }
1465 	}
1466 
1467 #ifdef FEAT_VISUAL
1468 	if (redo_VIsual_busy)
1469 	{
1470 	    oap->start = curwin->w_cursor;
1471 	    curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1472 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1473 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1474 	    VIsual_mode = redo_VIsual_mode;
1475 	    if (VIsual_mode == 'v')
1476 	    {
1477 		if (redo_VIsual_line_count <= 1)
1478 		    curwin->w_cursor.col += redo_VIsual_col - 1;
1479 		else
1480 		    curwin->w_cursor.col = redo_VIsual_col;
1481 	    }
1482 	    if (redo_VIsual_col == MAXCOL)
1483 	    {
1484 		curwin->w_curswant = MAXCOL;
1485 		coladvance((colnr_T)MAXCOL);
1486 	    }
1487 	    cap->count0 = redo_VIsual_count;
1488 	    if (redo_VIsual_count != 0)
1489 		cap->count1 = redo_VIsual_count;
1490 	    else
1491 		cap->count1 = 1;
1492 	}
1493 	else if (VIsual_active)
1494 	{
1495 	    if (!gui_yank)
1496 	    {
1497 		/* Save the current VIsual area for '< and '> marks, and "gv" */
1498 		curbuf->b_visual.vi_start = VIsual;
1499 		curbuf->b_visual.vi_end = curwin->w_cursor;
1500 		curbuf->b_visual.vi_mode = VIsual_mode;
1501 		curbuf->b_visual.vi_curswant = curwin->w_curswant;
1502 # ifdef FEAT_EVAL
1503 		curbuf->b_visual_mode_eval = VIsual_mode;
1504 # endif
1505 	    }
1506 
1507 	    /* In Select mode, a linewise selection is operated upon like a
1508 	     * characterwise selection. */
1509 	    if (VIsual_select && VIsual_mode == 'V')
1510 	    {
1511 		if (lt(VIsual, curwin->w_cursor))
1512 		{
1513 		    VIsual.col = 0;
1514 		    curwin->w_cursor.col =
1515 			       (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1516 		}
1517 		else
1518 		{
1519 		    curwin->w_cursor.col = 0;
1520 		    VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1521 		}
1522 		VIsual_mode = 'v';
1523 	    }
1524 	    /* If 'selection' is "exclusive", backup one character for
1525 	     * charwise selections. */
1526 	    else if (VIsual_mode == 'v')
1527 	    {
1528 # ifdef FEAT_VIRTUALEDIT
1529 		include_line_break =
1530 # endif
1531 		    unadjust_for_sel();
1532 	    }
1533 
1534 	    oap->start = VIsual;
1535 	    if (VIsual_mode == 'V')
1536 		oap->start.col = 0;
1537 	}
1538 #endif /* FEAT_VISUAL */
1539 
1540 	/*
1541 	 * Set oap->start to the first position of the operated text, oap->end
1542 	 * to the end of the operated text.  w_cursor is equal to oap->start.
1543 	 */
1544 	if (lt(oap->start, curwin->w_cursor))
1545 	{
1546 #ifdef FEAT_FOLDING
1547 	    /* Include folded lines completely. */
1548 	    if (!VIsual_active)
1549 	    {
1550 		if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1551 		    oap->start.col = 0;
1552 		if (hasFolding(curwin->w_cursor.lnum, NULL,
1553 						      &curwin->w_cursor.lnum))
1554 		    curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1555 	    }
1556 #endif
1557 	    oap->end = curwin->w_cursor;
1558 	    curwin->w_cursor = oap->start;
1559 
1560 	    /* w_virtcol may have been updated; if the cursor goes back to its
1561 	     * previous position w_virtcol becomes invalid and isn't updated
1562 	     * automatically. */
1563 	    curwin->w_valid &= ~VALID_VIRTCOL;
1564 	}
1565 	else
1566 	{
1567 #ifdef FEAT_FOLDING
1568 	    /* Include folded lines completely. */
1569 	    if (!VIsual_active && oap->motion_type == MLINE)
1570 	    {
1571 		if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1572 									NULL))
1573 		    curwin->w_cursor.col = 0;
1574 		if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1575 		    oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1576 	    }
1577 #endif
1578 	    oap->end = oap->start;
1579 	    oap->start = curwin->w_cursor;
1580 	}
1581 
1582 	oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1583 
1584 #ifdef FEAT_VIRTUALEDIT
1585 	/* Set "virtual_op" before resetting VIsual_active. */
1586 	virtual_op = virtual_active();
1587 #endif
1588 
1589 #ifdef FEAT_VISUAL
1590 	if (VIsual_active || redo_VIsual_busy)
1591 	{
1592 	    if (VIsual_mode == Ctrl_V)	/* block mode */
1593 	    {
1594 		colnr_T	    start, end;
1595 
1596 		oap->block_mode = TRUE;
1597 
1598 		getvvcol(curwin, &(oap->start),
1599 				      &oap->start_vcol, NULL, &oap->end_vcol);
1600 		if (!redo_VIsual_busy)
1601 		{
1602 		    getvvcol(curwin, &(oap->end), &start, NULL, &end);
1603 
1604 		    if (start < oap->start_vcol)
1605 			oap->start_vcol = start;
1606 		    if (end > oap->end_vcol)
1607 		    {
1608 			if (*p_sel == 'e' && start >= 1
1609 						&& start - 1 >= oap->end_vcol)
1610 			    oap->end_vcol = start - 1;
1611 			else
1612 			    oap->end_vcol = end;
1613 		    }
1614 		}
1615 
1616 		/* if '$' was used, get oap->end_vcol from longest line */
1617 		if (curwin->w_curswant == MAXCOL)
1618 		{
1619 		    curwin->w_cursor.col = MAXCOL;
1620 		    oap->end_vcol = 0;
1621 		    for (curwin->w_cursor.lnum = oap->start.lnum;
1622 			    curwin->w_cursor.lnum <= oap->end.lnum;
1623 						      ++curwin->w_cursor.lnum)
1624 		    {
1625 			getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1626 			if (end > oap->end_vcol)
1627 			    oap->end_vcol = end;
1628 		    }
1629 		}
1630 		else if (redo_VIsual_busy)
1631 		    oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1632 		/*
1633 		 * Correct oap->end.col and oap->start.col to be the
1634 		 * upper-left and lower-right corner of the block area.
1635 		 *
1636 		 * (Actually, this does convert column positions into character
1637 		 * positions)
1638 		 */
1639 		curwin->w_cursor.lnum = oap->end.lnum;
1640 		coladvance(oap->end_vcol);
1641 		oap->end = curwin->w_cursor;
1642 
1643 		curwin->w_cursor = oap->start;
1644 		coladvance(oap->start_vcol);
1645 		oap->start = curwin->w_cursor;
1646 	    }
1647 
1648 	    if (!redo_VIsual_busy && !gui_yank)
1649 	    {
1650 		/*
1651 		 * Prepare to reselect and redo Visual: this is based on the
1652 		 * size of the Visual text
1653 		 */
1654 		resel_VIsual_mode = VIsual_mode;
1655 		if (curwin->w_curswant == MAXCOL)
1656 		    resel_VIsual_col = MAXCOL;
1657 		else if (VIsual_mode == Ctrl_V)
1658 		    resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1659 		else if (oap->line_count > 1)
1660 		    resel_VIsual_col = oap->end.col;
1661 		else
1662 		    resel_VIsual_col = oap->end.col - oap->start.col + 1;
1663 		resel_VIsual_line_count = oap->line_count;
1664 	    }
1665 
1666 	    /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1667 	    if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1668 		    && oap->op_type != OP_COLON
1669 #ifdef FEAT_FOLDING
1670 		    && oap->op_type != OP_FOLD
1671 		    && oap->op_type != OP_FOLDOPEN
1672 		    && oap->op_type != OP_FOLDOPENREC
1673 		    && oap->op_type != OP_FOLDCLOSE
1674 		    && oap->op_type != OP_FOLDCLOSEREC
1675 		    && oap->op_type != OP_FOLDDEL
1676 		    && oap->op_type != OP_FOLDDELREC
1677 #endif
1678 		    && oap->motion_force == NUL
1679 		    )
1680 	    {
1681 		/* Prepare for redoing.  Only use the nchar field for "r",
1682 		 * otherwise it might be the second char of the operator. */
1683 		prep_redo(oap->regname, 0L, NUL, 'v',
1684 				get_op_char(oap->op_type),
1685 				get_extra_op_char(oap->op_type),
1686 				oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1687 		if (!redo_VIsual_busy)
1688 		{
1689 		    redo_VIsual_mode = resel_VIsual_mode;
1690 		    redo_VIsual_col = resel_VIsual_col;
1691 		    redo_VIsual_line_count = resel_VIsual_line_count;
1692 		    redo_VIsual_count = cap->count0;
1693 		}
1694 	    }
1695 
1696 	    /*
1697 	     * oap->inclusive defaults to TRUE.
1698 	     * If oap->end is on a NUL (empty line) oap->inclusive becomes
1699 	     * FALSE.  This makes "d}P" and "v}dP" work the same.
1700 	     */
1701 	    if (oap->motion_force == NUL || oap->motion_type == MLINE)
1702 		oap->inclusive = TRUE;
1703 	    if (VIsual_mode == 'V')
1704 		oap->motion_type = MLINE;
1705 	    else
1706 	    {
1707 		oap->motion_type = MCHAR;
1708 		if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1709 # ifdef FEAT_VIRTUALEDIT
1710 			&& (include_line_break || !virtual_op)
1711 # endif
1712 			)
1713 		{
1714 		    oap->inclusive = FALSE;
1715 		    /* Try to include the newline, unless it's an operator
1716 		     * that works on lines only */
1717 		    if (*p_sel != 'o'
1718 			    && !op_on_lines(oap->op_type)
1719 			    && oap->end.lnum < curbuf->b_ml.ml_line_count)
1720 		    {
1721 			++oap->end.lnum;
1722 			oap->end.col = 0;
1723 # ifdef FEAT_VIRTUALEDIT
1724 			oap->end.coladd = 0;
1725 # endif
1726 			++oap->line_count;
1727 		    }
1728 		}
1729 	    }
1730 
1731 	    redo_VIsual_busy = FALSE;
1732 
1733 	    /*
1734 	     * Switch Visual off now, so screen updating does
1735 	     * not show inverted text when the screen is redrawn.
1736 	     * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1737 	     * no screen redraw, so it is done here to remove the inverted
1738 	     * part.
1739 	     */
1740 	    if (!gui_yank)
1741 	    {
1742 		VIsual_active = FALSE;
1743 # ifdef FEAT_MOUSE
1744 		setmouse();
1745 		mouse_dragging = 0;
1746 # endif
1747 		if (mode_displayed)
1748 		    clear_cmdline = TRUE;   /* unshow visual mode later */
1749 #ifdef FEAT_CMDL_INFO
1750 		else
1751 		    clear_showcmd();
1752 #endif
1753 		if ((oap->op_type == OP_YANK
1754 			    || oap->op_type == OP_COLON
1755 			    || oap->op_type == OP_FUNCTION
1756 			    || oap->op_type == OP_FILTER)
1757 			&& oap->motion_force == NUL)
1758 		    redraw_curbuf_later(INVERTED);
1759 	    }
1760 	}
1761 #endif
1762 
1763 #ifdef FEAT_MBYTE
1764 	/* Include the trailing byte of a multi-byte char. */
1765 	if (has_mbyte && oap->inclusive)
1766 	{
1767 	    int		l;
1768 
1769 	    l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1770 	    if (l > 1)
1771 		oap->end.col += l - 1;
1772 	}
1773 #endif
1774 	curwin->w_set_curswant = TRUE;
1775 
1776 	/*
1777 	 * oap->empty is set when start and end are the same.  The inclusive
1778 	 * flag affects this too, unless yanking and the end is on a NUL.
1779 	 */
1780 	oap->empty = (oap->motion_type == MCHAR
1781 		    && (!oap->inclusive
1782 			|| (oap->op_type == OP_YANK
1783 			    && gchar_pos(&oap->end) == NUL))
1784 		    && equalpos(oap->start, oap->end)
1785 #ifdef FEAT_VIRTUALEDIT
1786 		    && !(virtual_op && oap->start.coladd != oap->end.coladd)
1787 #endif
1788 		    );
1789 	/*
1790 	 * For delete, change and yank, it's an error to operate on an
1791 	 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1792 	 */
1793 	empty_region_error = (oap->empty
1794 				&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1795 
1796 #ifdef FEAT_VISUAL
1797 	/* Force a redraw when operating on an empty Visual region, when
1798 	 * 'modifiable is off or creating a fold. */
1799 	if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1800 # ifdef FEAT_FOLDING
1801 		    || oap->op_type == OP_FOLD
1802 # endif
1803 		    ))
1804 	    redraw_curbuf_later(INVERTED);
1805 #endif
1806 
1807 	/*
1808 	 * If the end of an operator is in column one while oap->motion_type
1809 	 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1810 	 * character in the previous line. If op_start is on or before the
1811 	 * first non-blank in the line, the operator becomes linewise
1812 	 * (strange, but that's the way vi does it).
1813 	 */
1814 	if (	   oap->motion_type == MCHAR
1815 		&& oap->inclusive == FALSE
1816 		&& !(cap->retval & CA_NO_ADJ_OP_END)
1817 		&& oap->end.col == 0
1818 #ifdef FEAT_VISUAL
1819 		&& (!oap->is_VIsual || *p_sel == 'o')
1820 		&& !oap->block_mode
1821 #endif
1822 		&& oap->line_count > 1)
1823 	{
1824 	    oap->end_adjusted = TRUE;	    /* remember that we did this */
1825 	    --oap->line_count;
1826 	    --oap->end.lnum;
1827 	    if (inindent(0))
1828 		oap->motion_type = MLINE;
1829 	    else
1830 	    {
1831 		oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1832 		if (oap->end.col)
1833 		{
1834 		    --oap->end.col;
1835 		    oap->inclusive = TRUE;
1836 		}
1837 	    }
1838 	}
1839 	else
1840 	    oap->end_adjusted = FALSE;
1841 
1842 	switch (oap->op_type)
1843 	{
1844 	case OP_LSHIFT:
1845 	case OP_RSHIFT:
1846 	    op_shift(oap, TRUE,
1847 #ifdef FEAT_VISUAL
1848 		    oap->is_VIsual ? (int)cap->count1 :
1849 #endif
1850 		    1);
1851 	    auto_format(FALSE, TRUE);
1852 	    break;
1853 
1854 	case OP_JOIN_NS:
1855 	case OP_JOIN:
1856 	    if (oap->line_count < 2)
1857 		oap->line_count = 2;
1858 	    if (curwin->w_cursor.lnum + oap->line_count - 1 >
1859 						   curbuf->b_ml.ml_line_count)
1860 		beep_flush();
1861 	    else
1862 	    {
1863 		do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1864 		auto_format(FALSE, TRUE);
1865 	    }
1866 	    break;
1867 
1868 	case OP_DELETE:
1869 #ifdef FEAT_VISUAL
1870 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1871 #endif
1872 	    if (empty_region_error)
1873 		vim_beep();
1874 	    else
1875 	    {
1876 		(void)op_delete(oap);
1877 		if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1878 		    u_save_cursor();	    /* cursor line wasn't saved yet */
1879 		auto_format(FALSE, TRUE);
1880 	    }
1881 	    break;
1882 
1883 	case OP_YANK:
1884 	    if (empty_region_error)
1885 	    {
1886 		if (!gui_yank)
1887 		    vim_beep();
1888 	    }
1889 	    else
1890 		(void)op_yank(oap, FALSE, !gui_yank);
1891 	    check_cursor_col();
1892 	    break;
1893 
1894 	case OP_CHANGE:
1895 #ifdef FEAT_VISUAL
1896 	    VIsual_reselect = FALSE;	    /* don't reselect now */
1897 #endif
1898 	    if (empty_region_error)
1899 		vim_beep();
1900 	    else
1901 	    {
1902 		/* This is a new edit command, not a restart.  Need to
1903 		 * remember it to make 'insertmode' work with mappings for
1904 		 * Visual mode.  But do this only once and not when typed and
1905 		 * 'insertmode' isn't set. */
1906 		if (p_im || !KeyTyped)
1907 		    restart_edit_save = restart_edit;
1908 		else
1909 		    restart_edit_save = 0;
1910 		restart_edit = 0;
1911 		/* Reset finish_op now, don't want it set inside edit(). */
1912 		finish_op = FALSE;
1913 		if (op_change(oap))	/* will call edit() */
1914 		    cap->retval |= CA_COMMAND_BUSY;
1915 		if (restart_edit == 0)
1916 		    restart_edit = restart_edit_save;
1917 	    }
1918 	    break;
1919 
1920 	case OP_FILTER:
1921 	    if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1922 		AppendToRedobuff((char_u *)"!\r");  /* use any last used !cmd */
1923 	    else
1924 		bangredo = TRUE;    /* do_bang() will put cmd in redo buffer */
1925 
1926 	case OP_INDENT:
1927 	case OP_COLON:
1928 
1929 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1930 	    /*
1931 	     * If 'equalprg' is empty, do the indenting internally.
1932 	     */
1933 	    if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1934 	    {
1935 # ifdef FEAT_LISP
1936 		if (curbuf->b_p_lisp)
1937 		{
1938 		    op_reindent(oap, get_lisp_indent);
1939 		    break;
1940 		}
1941 # endif
1942 # ifdef FEAT_CINDENT
1943 		op_reindent(oap,
1944 #  ifdef FEAT_EVAL
1945 			*curbuf->b_p_inde != NUL ? get_expr_indent :
1946 #  endif
1947 			    get_c_indent);
1948 		break;
1949 # endif
1950 	    }
1951 #endif
1952 
1953 	    op_colon(oap);
1954 	    break;
1955 
1956 	case OP_TILDE:
1957 	case OP_UPPER:
1958 	case OP_LOWER:
1959 	case OP_ROT13:
1960 	    if (empty_region_error)
1961 		vim_beep();
1962 	    else
1963 		op_tilde(oap);
1964 	    check_cursor_col();
1965 	    break;
1966 
1967 	case OP_FORMAT:
1968 #if defined(FEAT_EVAL)
1969 	    if (*curbuf->b_p_fex != NUL)
1970 		op_formatexpr(oap);	/* use expression */
1971 	    else
1972 #endif
1973 		if (*p_fp != NUL)
1974 		op_colon(oap);		/* use external command */
1975 	    else
1976 		op_format(oap, FALSE);	/* use internal function */
1977 	    break;
1978 
1979 	case OP_FORMAT2:
1980 	    op_format(oap, TRUE);	/* use internal function */
1981 	    break;
1982 
1983 	case OP_FUNCTION:
1984 	    op_function(oap);		/* call 'operatorfunc' */
1985 	    break;
1986 
1987 	case OP_INSERT:
1988 	case OP_APPEND:
1989 #ifdef FEAT_VISUAL
1990 	    VIsual_reselect = FALSE;	/* don't reselect now */
1991 #endif
1992 #ifdef FEAT_VISUALEXTRA
1993 	    if (empty_region_error)
1994 		vim_beep();
1995 	    else
1996 	    {
1997 		/* This is a new edit command, not a restart.  Need to
1998 		 * remember it to make 'insertmode' work with mappings for
1999 		 * Visual mode.  But do this only once. */
2000 		restart_edit_save = restart_edit;
2001 		restart_edit = 0;
2002 
2003 		op_insert(oap, cap->count1);
2004 
2005 		/* TODO: when inserting in several lines, should format all
2006 		 * the lines. */
2007 		auto_format(FALSE, TRUE);
2008 
2009 		if (restart_edit == 0)
2010 		    restart_edit = restart_edit_save;
2011 	    }
2012 #else
2013 	    vim_beep();
2014 #endif
2015 	    break;
2016 
2017 	case OP_REPLACE:
2018 #ifdef FEAT_VISUAL
2019 	    VIsual_reselect = FALSE;	/* don't reselect now */
2020 #endif
2021 #ifdef FEAT_VISUALEXTRA
2022 	    if (empty_region_error)
2023 #endif
2024 		vim_beep();
2025 #ifdef FEAT_VISUALEXTRA
2026 	    else
2027 		op_replace(oap, cap->nchar);
2028 #endif
2029 	    break;
2030 
2031 #ifdef FEAT_FOLDING
2032 	case OP_FOLD:
2033 	    VIsual_reselect = FALSE;	/* don't reselect now */
2034 	    foldCreate(oap->start.lnum, oap->end.lnum);
2035 	    break;
2036 
2037 	case OP_FOLDOPEN:
2038 	case OP_FOLDOPENREC:
2039 	case OP_FOLDCLOSE:
2040 	case OP_FOLDCLOSEREC:
2041 	    VIsual_reselect = FALSE;	/* don't reselect now */
2042 	    opFoldRange(oap->start.lnum, oap->end.lnum,
2043 		    oap->op_type == OP_FOLDOPEN
2044 					    || oap->op_type == OP_FOLDOPENREC,
2045 		    oap->op_type == OP_FOLDOPENREC
2046 					  || oap->op_type == OP_FOLDCLOSEREC,
2047 					  oap->is_VIsual);
2048 	    break;
2049 
2050 	case OP_FOLDDEL:
2051 	case OP_FOLDDELREC:
2052 	    VIsual_reselect = FALSE;	/* don't reselect now */
2053 	    deleteFold(oap->start.lnum, oap->end.lnum,
2054 			       oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2055 	    break;
2056 #endif
2057 	default:
2058 	    clearopbeep(oap);
2059 	}
2060 #ifdef FEAT_VIRTUALEDIT
2061 	virtual_op = MAYBE;
2062 #endif
2063 	if (!gui_yank)
2064 	{
2065 	    /*
2066 	     * if 'sol' not set, go back to old column for some commands
2067 	     */
2068 	    if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2069 		    && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2070 						|| oap->op_type == OP_DELETE))
2071 		coladvance(curwin->w_curswant = old_col);
2072 	}
2073 	else
2074 	{
2075 	    curwin->w_cursor = old_cursor;
2076 	}
2077 #ifdef FEAT_VISUAL
2078 	oap->block_mode = FALSE;
2079 #endif
2080 	clearop(oap);
2081     }
2082 }
2083 
2084 /*
2085  * Handle indent and format operators and visual mode ":".
2086  */
2087     static void
2088 op_colon(oap)
2089     oparg_T	*oap;
2090 {
2091     stuffcharReadbuff(':');
2092 #ifdef FEAT_VISUAL
2093     if (oap->is_VIsual)
2094 	stuffReadbuff((char_u *)"'<,'>");
2095     else
2096 #endif
2097     {
2098 	/*
2099 	 * Make the range look nice, so it can be repeated.
2100 	 */
2101 	if (oap->start.lnum == curwin->w_cursor.lnum)
2102 	    stuffcharReadbuff('.');
2103 	else
2104 	    stuffnumReadbuff((long)oap->start.lnum);
2105 	if (oap->end.lnum != oap->start.lnum)
2106 	{
2107 	    stuffcharReadbuff(',');
2108 	    if (oap->end.lnum == curwin->w_cursor.lnum)
2109 		stuffcharReadbuff('.');
2110 	    else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2111 		stuffcharReadbuff('$');
2112 	    else if (oap->start.lnum == curwin->w_cursor.lnum)
2113 	    {
2114 		stuffReadbuff((char_u *)".+");
2115 		stuffnumReadbuff((long)oap->line_count - 1);
2116 	    }
2117 	    else
2118 		stuffnumReadbuff((long)oap->end.lnum);
2119 	}
2120     }
2121     if (oap->op_type != OP_COLON)
2122 	stuffReadbuff((char_u *)"!");
2123     if (oap->op_type == OP_INDENT)
2124     {
2125 #ifndef FEAT_CINDENT
2126 	if (*get_equalprg() == NUL)
2127 	    stuffReadbuff((char_u *)"indent");
2128 	else
2129 #endif
2130 	    stuffReadbuff(get_equalprg());
2131 	stuffReadbuff((char_u *)"\n");
2132     }
2133     else if (oap->op_type == OP_FORMAT)
2134     {
2135 	if (*p_fp == NUL)
2136 	    stuffReadbuff((char_u *)"fmt");
2137 	else
2138 	    stuffReadbuff(p_fp);
2139 	stuffReadbuff((char_u *)"\n']");
2140     }
2141 
2142     /*
2143      * do_cmdline() does the rest
2144      */
2145 }
2146 
2147 /*
2148  * Handle the "g@" operator: call 'operatorfunc'.
2149  */
2150 /*ARGSUSED*/
2151     static void
2152 op_function(oap)
2153     oparg_T	*oap;
2154 {
2155 #ifdef FEAT_EVAL
2156     char_u	*(argv[1]);
2157 
2158     if (*p_opfunc == NUL)
2159 	EMSG(_("E774: 'operatorfunc' is empty"));
2160     else
2161     {
2162 	/* Set '[ and '] marks to text to be operated on. */
2163 	curbuf->b_op_start = oap->start;
2164 	curbuf->b_op_end = oap->end;
2165 	if (oap->motion_type != MLINE && !oap->inclusive)
2166 	    /* Exclude the end position. */
2167 	    decl(&curbuf->b_op_end);
2168 
2169 	if (oap->block_mode)
2170 	    argv[0] = (char_u *)"block";
2171 	else if (oap->motion_type == MLINE)
2172 	    argv[0] = (char_u *)"line";
2173 	else
2174 	    argv[0] = (char_u *)"char";
2175 	(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2176     }
2177 #else
2178     EMSG(_("E775: Eval feature not available"));
2179 #endif
2180 }
2181 
2182 #if defined(FEAT_MOUSE) || defined(PROTO)
2183 /*
2184  * Do the appropriate action for the current mouse click in the current mode.
2185  * Not used for Command-line mode.
2186  *
2187  * Normal Mode:
2188  * event	 modi-	position      visual	   change   action
2189  *		 fier	cursor			   window
2190  * left press	  -	yes	    end		    yes
2191  * left press	  C	yes	    end		    yes	    "^]" (2)
2192  * left press	  S	yes	    end		    yes	    "*" (2)
2193  * left drag	  -	yes	start if moved	    no
2194  * left relse	  -	yes	start if moved	    no
2195  * middle press	  -	yes	 if not active	    no	    put register
2196  * middle press	  -	yes	 if active	    no	    yank and put
2197  * right press	  -	yes	start or extend	    yes
2198  * right press	  S	yes	no change	    yes	    "#" (2)
2199  * right drag	  -	yes	extend		    no
2200  * right relse	  -	yes	extend		    no
2201  *
2202  * Insert or Replace Mode:
2203  * event	 modi-	position      visual	   change   action
2204  *		 fier	cursor			   window
2205  * left press	  -	yes	(cannot be active)  yes
2206  * left press	  C	yes	(cannot be active)  yes	    "CTRL-O^]" (2)
2207  * left press	  S	yes	(cannot be active)  yes	    "CTRL-O*" (2)
2208  * left drag	  -	yes	start or extend (1) no	    CTRL-O (1)
2209  * left relse	  -	yes	start or extend (1) no	    CTRL-O (1)
2210  * middle press	  -	no	(cannot be active)  no	    put register
2211  * right press	  -	yes	start or extend	    yes	    CTRL-O
2212  * right press	  S	yes	(cannot be active)  yes	    "CTRL-O#" (2)
2213  *
2214  * (1) only if mouse pointer moved since press
2215  * (2) only if click is in same buffer
2216  *
2217  * Return TRUE if start_arrow() should be called for edit mode.
2218  */
2219     int
2220 do_mouse(oap, c, dir, count, fixindent)
2221     oparg_T	*oap;		/* operator argument, can be NULL */
2222     int		c;		/* K_LEFTMOUSE, etc */
2223     int		dir;		/* Direction to 'put' if necessary */
2224     long	count;
2225     int		fixindent;	/* PUT_FIXINDENT if fixing indent necessary */
2226 {
2227     static int	do_always = FALSE;	/* ignore 'mouse' setting next time */
2228     static int	got_click = FALSE;	/* got a click some time back */
2229 
2230     int		which_button;	/* MOUSE_LEFT, _MIDDLE or _RIGHT */
2231     int		is_click;	/* If FALSE it's a drag or release event */
2232     int		is_drag;	/* If TRUE it's a drag event */
2233     int		jump_flags = 0;	/* flags for jump_to_mouse() */
2234     pos_T	start_visual;
2235     int		moved;		/* Has cursor moved? */
2236     int		in_status_line;	/* mouse in status line */
2237 #ifdef FEAT_VERTSPLIT
2238     int		in_sep_line;	/* mouse in vertical separator line */
2239 #endif
2240     int		c1, c2;
2241 #if defined(FEAT_FOLDING)
2242     pos_T	save_cursor;
2243 #endif
2244     win_T	*old_curwin = curwin;
2245 #ifdef FEAT_VISUAL
2246     static pos_T orig_cursor;
2247     colnr_T	leftcol, rightcol;
2248     pos_T	end_visual;
2249     int		diff;
2250     int		old_active = VIsual_active;
2251     int		old_mode = VIsual_mode;
2252 #endif
2253     int		regname;
2254 
2255 #if defined(FEAT_FOLDING)
2256     save_cursor = curwin->w_cursor;
2257 #endif
2258 
2259     /*
2260      * When GUI is active, always recognize mouse events, otherwise:
2261      * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2262      * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2263      * - For command line and insert mode 'mouse' is checked before calling
2264      *	 do_mouse().
2265      */
2266     if (do_always)
2267 	do_always = FALSE;
2268     else
2269 #ifdef FEAT_GUI
2270 	if (!gui.in_use)
2271 #endif
2272 	{
2273 #ifdef FEAT_VISUAL
2274 	    if (VIsual_active)
2275 	    {
2276 		if (!mouse_has(MOUSE_VISUAL))
2277 		    return FALSE;
2278 	    }
2279 	    else
2280 #endif
2281 		if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2282 		return FALSE;
2283 	}
2284 
2285     which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2286 
2287 #ifdef FEAT_MOUSESHAPE
2288     /* May have stopped dragging the status or separator line.  The pointer is
2289      * most likely still on the status or separator line. */
2290     if (!is_drag && drag_status_line)
2291     {
2292 	drag_status_line = FALSE;
2293 	update_mouseshape(SHAPE_IDX_STATUS);
2294     }
2295 # ifdef FEAT_VERTSPLIT
2296     if (!is_drag && drag_sep_line)
2297     {
2298 	drag_sep_line = FALSE;
2299 	update_mouseshape(SHAPE_IDX_VSEP);
2300     }
2301 # endif
2302 #endif
2303 
2304     /*
2305      * Ignore drag and release events if we didn't get a click.
2306      */
2307     if (is_click)
2308 	got_click = TRUE;
2309     else
2310     {
2311 	if (!got_click)			/* didn't get click, ignore */
2312 	    return FALSE;
2313 	if (!is_drag)			/* release, reset got_click */
2314 	    got_click = FALSE;
2315     }
2316 
2317 #ifndef FEAT_VISUAL
2318     /*
2319      * ALT is only used for starging/extending Visual mode.
2320      */
2321     if ((mod_mask & MOD_MASK_ALT))
2322 	return FALSE;
2323 #endif
2324 
2325     /*
2326      * CTRL right mouse button does CTRL-T
2327      */
2328     if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2329     {
2330 	if (State & INSERT)
2331 	    stuffcharReadbuff(Ctrl_O);
2332 	if (count > 1)
2333 	    stuffnumReadbuff(count);
2334 	stuffcharReadbuff(Ctrl_T);
2335 	got_click = FALSE;		/* ignore drag&release now */
2336 	return FALSE;
2337     }
2338 
2339     /*
2340      * CTRL only works with left mouse button
2341      */
2342     if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2343 	return FALSE;
2344 
2345     /*
2346      * When a modifier is down, ignore drag and release events, as well as
2347      * multiple clicks and the middle mouse button.
2348      * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2349      */
2350     if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2351 							     | MOD_MASK_META))
2352 	    && (!is_click
2353 		|| (mod_mask & MOD_MASK_MULTI_CLICK)
2354 		|| which_button == MOUSE_MIDDLE)
2355 	    && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2356 		&& mouse_model_popup()
2357 		&& which_button == MOUSE_LEFT)
2358 	    && !((mod_mask & MOD_MASK_ALT)
2359 		&& !mouse_model_popup()
2360 		&& which_button == MOUSE_RIGHT)
2361 	    )
2362 	return FALSE;
2363 
2364     /*
2365      * If the button press was used as the movement command for an operator
2366      * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2367      * drag/release events.
2368      */
2369     if (!is_click && which_button == MOUSE_MIDDLE)
2370 	return FALSE;
2371 
2372     if (oap != NULL)
2373 	regname = oap->regname;
2374     else
2375 	regname = 0;
2376 
2377     /*
2378      * Middle mouse button does a 'put' of the selected text
2379      */
2380     if (which_button == MOUSE_MIDDLE)
2381     {
2382 	if (State == NORMAL)
2383 	{
2384 	    /*
2385 	     * If an operator was pending, we don't know what the user wanted
2386 	     * to do. Go back to normal mode: Clear the operator and beep().
2387 	     */
2388 	    if (oap != NULL && oap->op_type != OP_NOP)
2389 	    {
2390 		clearopbeep(oap);
2391 		return FALSE;
2392 	    }
2393 
2394 #ifdef FEAT_VISUAL
2395 	    /*
2396 	     * If visual was active, yank the highlighted text and put it
2397 	     * before the mouse pointer position.
2398 	     * In Select mode replace the highlighted text with the clipboard.
2399 	     */
2400 	    if (VIsual_active)
2401 	    {
2402 		if (VIsual_select)
2403 		{
2404 		    stuffcharReadbuff(Ctrl_G);
2405 		    stuffReadbuff((char_u *)"\"+p");
2406 		}
2407 		else
2408 		{
2409 		    stuffcharReadbuff('y');
2410 		    stuffcharReadbuff(K_MIDDLEMOUSE);
2411 		}
2412 		do_always = TRUE;	/* ignore 'mouse' setting next time */
2413 		return FALSE;
2414 	    }
2415 #endif
2416 	    /*
2417 	     * The rest is below jump_to_mouse()
2418 	     */
2419 	}
2420 
2421 	else if ((State & INSERT) == 0)
2422 	    return FALSE;
2423 
2424 	/*
2425 	 * Middle click in insert mode doesn't move the mouse, just insert the
2426 	 * contents of a register.  '.' register is special, can't insert that
2427 	 * with do_put().
2428 	 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2429 	 * happens for the GUI).
2430 	 */
2431 	if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2432 	{
2433 	    if (regname == '.')
2434 		insert_reg(regname, TRUE);
2435 	    else
2436 	    {
2437 #ifdef FEAT_CLIPBOARD
2438 		if (clip_star.available && regname == 0)
2439 		    regname = '*';
2440 #endif
2441 		if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2442 		    insert_reg(regname, TRUE);
2443 		else
2444 		{
2445 		    do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2446 
2447 		    /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2448 		    AppendCharToRedobuff(Ctrl_R);
2449 		    AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2450 		    AppendCharToRedobuff(regname == 0 ? '"' : regname);
2451 		}
2452 	    }
2453 	    return FALSE;
2454 	}
2455     }
2456 
2457     /* When dragging or button-up stay in the same window. */
2458     if (!is_click)
2459 	jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2460 
2461     start_visual.lnum = 0;
2462 
2463 #ifdef FEAT_WINDOWS
2464     /* Check for clicking in the tab page line. */
2465     if (mouse_row == 0 && firstwin->w_winrow > 0)
2466     {
2467 	got_click = FALSE;	/* ignore mouse-up and drag events */
2468 
2469 	/* click in a tab selects that tab page */
2470 	if (is_click
2471 # ifdef FEAT_CMDWIN
2472 		&& cmdwin_type == 0
2473 # endif
2474 		&& mouse_col < Columns)
2475 	{
2476 	    c1 = TabPageIdxs[mouse_col];
2477 	    if (c1 >= 0)
2478 	    {
2479 		if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2480 		{
2481 		    /* double click opens new page */
2482 		    end_visual_mode();
2483 		    tabpage_new();
2484 		    tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2485 		}
2486 		else
2487 		{
2488 		    /* Go to specified tab page, or next one if not clicking
2489 		     * on a label. */
2490 		    goto_tabpage(c1);
2491 
2492 		    /* It's like clicking on the status line of a window. */
2493 		    if (curwin != old_curwin)
2494 			end_visual_mode();
2495 		}
2496 	    }
2497 	    else if (c1 < 0)
2498 	    {
2499 		tabpage_T	*tp;
2500 
2501 		/* Close the current or specified tab page. */
2502 		if (c1 == -999)
2503 		    tp = curtab;
2504 		else
2505 		    tp = find_tabpage(-c1);
2506 		if (tp == curtab)
2507 		{
2508 		    if (first_tabpage->tp_next != NULL)
2509 			tabpage_close(FALSE);
2510 		}
2511 		else if (tp != NULL)
2512 		    tabpage_close_other(tp, FALSE);
2513 	    }
2514 	}
2515 	return TRUE;
2516     }
2517 #endif
2518 
2519     /*
2520      * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2521      * right button up   -> pop-up menu
2522      * shift-left button -> right button
2523      * alt-left button   -> alt-right button
2524      */
2525     if (mouse_model_popup())
2526     {
2527 	if (which_button == MOUSE_RIGHT
2528 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2529 	{
2530 	    /*
2531 	     * NOTE: Ignore right button down and drag mouse events.
2532 	     * Windows only shows the popup menu on the button up event.
2533 	     */
2534 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2535 			  || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2536 	    if (!is_click)
2537 		return FALSE;
2538 #endif
2539 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2540 	    if (is_click || is_drag)
2541 		return FALSE;
2542 #endif
2543 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2544 	    || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2545 	    || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2546 	    if (gui.in_use)
2547 	    {
2548 		jump_flags = 0;
2549 		if (STRCMP(p_mousem, "popup_setpos") == 0)
2550 		{
2551 		    /* First set the cursor position before showing the popup
2552 		     * menu. */
2553 #ifdef FEAT_VISUAL
2554 		    if (VIsual_active)
2555 		    {
2556 			pos_T    m_pos;
2557 
2558 			/*
2559 			 * set MOUSE_MAY_STOP_VIS if we are outside the
2560 			 * selection or the current window (might have false
2561 			 * negative here)
2562 			 */
2563 			if (mouse_row < W_WINROW(curwin)
2564 			     || mouse_row
2565 				      > (W_WINROW(curwin) + curwin->w_height))
2566 			    jump_flags = MOUSE_MAY_STOP_VIS;
2567 			else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2568 			    jump_flags = MOUSE_MAY_STOP_VIS;
2569 			else
2570 			{
2571 			    if ((lt(curwin->w_cursor, VIsual)
2572 					&& (lt(m_pos, curwin->w_cursor)
2573 					    || lt(VIsual, m_pos)))
2574 				    || (lt(VIsual, curwin->w_cursor)
2575 					&& (lt(m_pos, VIsual)
2576 					    || lt(curwin->w_cursor, m_pos))))
2577 			    {
2578 				jump_flags = MOUSE_MAY_STOP_VIS;
2579 			    }
2580 			    else if (VIsual_mode == Ctrl_V)
2581 			    {
2582 				getvcols(curwin, &curwin->w_cursor, &VIsual,
2583 							 &leftcol, &rightcol);
2584 				getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2585 				if (m_pos.col < leftcol || m_pos.col > rightcol)
2586 				    jump_flags = MOUSE_MAY_STOP_VIS;
2587 			    }
2588 			}
2589 		    }
2590 		    else
2591 			jump_flags = MOUSE_MAY_STOP_VIS;
2592 #endif
2593 		}
2594 		if (jump_flags)
2595 		{
2596 		    jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2597 		    update_curbuf(
2598 #ifdef FEAT_VISUAL
2599 			    VIsual_active ? INVERTED :
2600 #endif
2601 			    VALID);
2602 		    setcursor();
2603 		    out_flush();    /* Update before showing popup menu */
2604 		}
2605 # ifdef FEAT_MENU
2606 		gui_show_popupmenu();
2607 # endif
2608 		return (jump_flags & CURSOR_MOVED) != 0;
2609 	    }
2610 	    else
2611 		return FALSE;
2612 #else
2613 	    return FALSE;
2614 #endif
2615 	}
2616 	if (which_button == MOUSE_LEFT
2617 				&& (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2618 	{
2619 	    which_button = MOUSE_RIGHT;
2620 	    mod_mask &= ~MOD_MASK_SHIFT;
2621 	}
2622     }
2623 
2624 #ifdef FEAT_VISUAL
2625     if ((State & (NORMAL | INSERT))
2626 			    && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2627     {
2628 	if (which_button == MOUSE_LEFT)
2629 	{
2630 	    if (is_click)
2631 	    {
2632 		/* stop Visual mode for a left click in a window, but not when
2633 		 * on a status line */
2634 		if (VIsual_active)
2635 		    jump_flags |= MOUSE_MAY_STOP_VIS;
2636 	    }
2637 	    else if (mouse_has(MOUSE_VISUAL))
2638 		jump_flags |= MOUSE_MAY_VIS;
2639 	}
2640 	else if (which_button == MOUSE_RIGHT)
2641 	{
2642 	    if (is_click && VIsual_active)
2643 	    {
2644 		/*
2645 		 * Remember the start and end of visual before moving the
2646 		 * cursor.
2647 		 */
2648 		if (lt(curwin->w_cursor, VIsual))
2649 		{
2650 		    start_visual = curwin->w_cursor;
2651 		    end_visual = VIsual;
2652 		}
2653 		else
2654 		{
2655 		    start_visual = VIsual;
2656 		    end_visual = curwin->w_cursor;
2657 		}
2658 	    }
2659 	    jump_flags |= MOUSE_FOCUS;
2660 	    if (mouse_has(MOUSE_VISUAL))
2661 		jump_flags |= MOUSE_MAY_VIS;
2662 	}
2663     }
2664 #endif
2665 
2666     /*
2667      * If an operator is pending, ignore all drags and releases until the
2668      * next mouse click.
2669      */
2670     if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2671     {
2672 	got_click = FALSE;
2673 	oap->motion_type = MCHAR;
2674     }
2675 
2676     /* When releasing the button let jump_to_mouse() know. */
2677     if (!is_click && !is_drag)
2678 	jump_flags |= MOUSE_RELEASED;
2679 
2680     /*
2681      * JUMP!
2682      */
2683     jump_flags = jump_to_mouse(jump_flags,
2684 			oap == NULL ? NULL : &(oap->inclusive), which_button);
2685     moved = (jump_flags & CURSOR_MOVED);
2686     in_status_line = (jump_flags & IN_STATUS_LINE);
2687 #ifdef FEAT_VERTSPLIT
2688     in_sep_line = (jump_flags & IN_SEP_LINE);
2689 #endif
2690 
2691 #ifdef FEAT_NETBEANS_INTG
2692     if (usingNetbeans && isNetbeansBuffer(curbuf)
2693 			    && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2694     {
2695 	int key = KEY2TERMCAP1(c);
2696 
2697 	if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2698 					       || key == (int)KE_RIGHTRELEASE)
2699 	    netbeans_button_release(which_button);
2700     }
2701 #endif
2702 
2703     /* When jumping to another window, clear a pending operator.  That's a bit
2704      * friendlier than beeping and not jumping to that window. */
2705     if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2706 	clearop(oap);
2707 
2708 #ifdef FEAT_FOLDING
2709     if (mod_mask == 0
2710 	    && !is_drag
2711 	    && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2712 	    && which_button == MOUSE_LEFT)
2713     {
2714 	/* open or close a fold at this line */
2715 	if (jump_flags & MOUSE_FOLD_OPEN)
2716 	    openFold(curwin->w_cursor.lnum, 1L);
2717 	else
2718 	    closeFold(curwin->w_cursor.lnum, 1L);
2719 	/* don't move the cursor if still in the same window */
2720 	if (curwin == old_curwin)
2721 	    curwin->w_cursor = save_cursor;
2722     }
2723 #endif
2724 
2725 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2726     if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2727     {
2728 	clip_modeless(which_button, is_click, is_drag);
2729 	return FALSE;
2730     }
2731 #endif
2732 
2733 #ifdef FEAT_VISUAL
2734     /* Set global flag that we are extending the Visual area with mouse
2735      * dragging; temporarily minimize 'scrolloff'. */
2736     if (VIsual_active && is_drag && p_so)
2737     {
2738 	/* In the very first line, allow scrolling one line */
2739 	if (mouse_row == 0)
2740 	    mouse_dragging = 2;
2741 	else
2742 	    mouse_dragging = 1;
2743     }
2744 
2745     /* When dragging the mouse above the window, scroll down. */
2746     if (is_drag && mouse_row < 0 && !in_status_line)
2747     {
2748 	scroll_redraw(FALSE, 1L);
2749 	mouse_row = 0;
2750     }
2751 
2752     if (start_visual.lnum)		/* right click in visual mode */
2753     {
2754        /* When ALT is pressed make Visual mode blockwise. */
2755        if (mod_mask & MOD_MASK_ALT)
2756 	   VIsual_mode = Ctrl_V;
2757 
2758 	/*
2759 	 * In Visual-block mode, divide the area in four, pick up the corner
2760 	 * that is in the quarter that the cursor is in.
2761 	 */
2762 	if (VIsual_mode == Ctrl_V)
2763 	{
2764 	    getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2765 	    if (curwin->w_curswant > (leftcol + rightcol) / 2)
2766 		end_visual.col = leftcol;
2767 	    else
2768 		end_visual.col = rightcol;
2769 	    if (curwin->w_cursor.lnum <
2770 				    (start_visual.lnum + end_visual.lnum) / 2)
2771 		end_visual.lnum = end_visual.lnum;
2772 	    else
2773 		end_visual.lnum = start_visual.lnum;
2774 
2775 	    /* move VIsual to the right column */
2776 	    start_visual = curwin->w_cursor;	    /* save the cursor pos */
2777 	    curwin->w_cursor = end_visual;
2778 	    coladvance(end_visual.col);
2779 	    VIsual = curwin->w_cursor;
2780 	    curwin->w_cursor = start_visual;	    /* restore the cursor */
2781 	}
2782 	else
2783 	{
2784 	    /*
2785 	     * If the click is before the start of visual, change the start.
2786 	     * If the click is after the end of visual, change the end.  If
2787 	     * the click is inside the visual, change the closest side.
2788 	     */
2789 	    if (lt(curwin->w_cursor, start_visual))
2790 		VIsual = end_visual;
2791 	    else if (lt(end_visual, curwin->w_cursor))
2792 		VIsual = start_visual;
2793 	    else
2794 	    {
2795 		/* In the same line, compare column number */
2796 		if (end_visual.lnum == start_visual.lnum)
2797 		{
2798 		    if (curwin->w_cursor.col - start_visual.col >
2799 				    end_visual.col - curwin->w_cursor.col)
2800 			VIsual = start_visual;
2801 		    else
2802 			VIsual = end_visual;
2803 		}
2804 
2805 		/* In different lines, compare line number */
2806 		else
2807 		{
2808 		    diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2809 				(end_visual.lnum - curwin->w_cursor.lnum);
2810 
2811 		    if (diff > 0)		/* closest to end */
2812 			VIsual = start_visual;
2813 		    else if (diff < 0)	/* closest to start */
2814 			VIsual = end_visual;
2815 		    else			/* in the middle line */
2816 		    {
2817 			if (curwin->w_cursor.col <
2818 					(start_visual.col + end_visual.col) / 2)
2819 			    VIsual = end_visual;
2820 			else
2821 			    VIsual = start_visual;
2822 		    }
2823 		}
2824 	    }
2825 	}
2826     }
2827     /*
2828      * If Visual mode started in insert mode, execute "CTRL-O"
2829      */
2830     else if ((State & INSERT) && VIsual_active)
2831 	stuffcharReadbuff(Ctrl_O);
2832 #endif
2833 
2834     /*
2835      * Middle mouse click: Put text before cursor.
2836      */
2837     if (which_button == MOUSE_MIDDLE)
2838     {
2839 #ifdef FEAT_CLIPBOARD
2840 	if (clip_star.available && regname == 0)
2841 	    regname = '*';
2842 #endif
2843 	if (yank_register_mline(regname))
2844 	{
2845 	    if (mouse_past_bottom)
2846 		dir = FORWARD;
2847 	}
2848 	else if (mouse_past_eol)
2849 	    dir = FORWARD;
2850 
2851 	if (fixindent)
2852 	{
2853 	    c1 = (dir == BACKWARD) ? '[' : ']';
2854 	    c2 = 'p';
2855 	}
2856 	else
2857 	{
2858 	    c1 = (dir == FORWARD) ? 'p' : 'P';
2859 	    c2 = NUL;
2860 	}
2861 	prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2862 
2863 	/*
2864 	 * Remember where the paste started, so in edit() Insstart can be set
2865 	 * to this position
2866 	 */
2867 	if (restart_edit != 0)
2868 	    where_paste_started = curwin->w_cursor;
2869 	do_put(regname, dir, count, fixindent | PUT_CURSEND);
2870     }
2871 
2872 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2873     /*
2874      * Ctrl-Mouse click or double click in a quickfix window jumps to the
2875      * error under the mouse pointer.
2876      */
2877     else if (((mod_mask & MOD_MASK_CTRL)
2878 		|| (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2879 	    && bt_quickfix(curbuf))
2880     {
2881 	if (State & INSERT)
2882 	    stuffcharReadbuff(Ctrl_O);
2883 	if (curwin->w_llist_ref == NULL)	/* quickfix window */
2884 	    stuffReadbuff((char_u *)":.cc\n");
2885 	else					/* location list window */
2886 	    stuffReadbuff((char_u *)":.ll\n");
2887 	got_click = FALSE;		/* ignore drag&release now */
2888     }
2889 #endif
2890 
2891     /*
2892      * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2893      * under the mouse pointer.
2894      */
2895     else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2896 		     && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2897     {
2898 	if (State & INSERT)
2899 	    stuffcharReadbuff(Ctrl_O);
2900 	stuffcharReadbuff(Ctrl_RSB);
2901 	got_click = FALSE;		/* ignore drag&release now */
2902     }
2903 
2904     /*
2905      * Shift-Mouse click searches for the next occurrence of the word under
2906      * the mouse pointer
2907      */
2908     else if ((mod_mask & MOD_MASK_SHIFT))
2909     {
2910 	if (State & INSERT
2911 #ifdef FEAT_VISUAL
2912 		|| (VIsual_active && VIsual_select)
2913 #endif
2914 		)
2915 	    stuffcharReadbuff(Ctrl_O);
2916 	if (which_button == MOUSE_LEFT)
2917 	    stuffcharReadbuff('*');
2918 	else	/* MOUSE_RIGHT */
2919 	    stuffcharReadbuff('#');
2920     }
2921 
2922     /* Handle double clicks, unless on status line */
2923     else if (in_status_line)
2924     {
2925 #ifdef FEAT_MOUSESHAPE
2926 	if ((is_drag || is_click) && !drag_status_line)
2927 	{
2928 	    drag_status_line = TRUE;
2929 	    update_mouseshape(-1);
2930 	}
2931 #endif
2932     }
2933 #ifdef FEAT_VERTSPLIT
2934     else if (in_sep_line)
2935     {
2936 # ifdef FEAT_MOUSESHAPE
2937 	if ((is_drag || is_click) && !drag_sep_line)
2938 	{
2939 	    drag_sep_line = TRUE;
2940 	    update_mouseshape(-1);
2941 	}
2942 # endif
2943     }
2944 #endif
2945 #ifdef FEAT_VISUAL
2946     else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2947 	     && mouse_has(MOUSE_VISUAL))
2948     {
2949 	if (is_click || !VIsual_active)
2950 	{
2951 	    if (VIsual_active)
2952 		orig_cursor = VIsual;
2953 	    else
2954 	    {
2955 		check_visual_highlight();
2956 		VIsual = curwin->w_cursor;
2957 		orig_cursor = VIsual;
2958 		VIsual_active = TRUE;
2959 		VIsual_reselect = TRUE;
2960 		/* start Select mode if 'selectmode' contains "mouse" */
2961 		may_start_select('o');
2962 		setmouse();
2963 	    }
2964 	    if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2965 	    {
2966 		/* Double click with ALT pressed makes it blockwise. */
2967 		if (mod_mask & MOD_MASK_ALT)
2968 		    VIsual_mode = Ctrl_V;
2969 		else
2970 		    VIsual_mode = 'v';
2971 	    }
2972 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
2973 		VIsual_mode = 'V';
2974 	    else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
2975 		VIsual_mode = Ctrl_V;
2976 #ifdef FEAT_CLIPBOARD
2977 	    /* Make sure the clipboard gets updated.  Needed because start and
2978 	     * end may still be the same, and the selection needs to be owned */
2979 	    clip_star.vmode = NUL;
2980 #endif
2981 	}
2982 	/*
2983 	 * A double click selects a word or a block.
2984 	 */
2985 	if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2986 	{
2987 	    pos_T	*pos = NULL;
2988 	    int		gc;
2989 
2990 	    if (is_click)
2991 	    {
2992 		/* If the character under the cursor (skipping white space) is
2993 		 * not a word character, try finding a match and select a (),
2994 		 * {}, [], #if/#endif, etc. block. */
2995 		end_visual = curwin->w_cursor;
2996 		while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
2997 		    inc(&end_visual);
2998 		if (oap != NULL)
2999 		    oap->motion_type = MCHAR;
3000 		if (oap != NULL
3001 			&& VIsual_mode == 'v'
3002 			&& !vim_iswordc(gchar_pos(&end_visual))
3003 			&& equalpos(curwin->w_cursor, VIsual)
3004 			&& (pos = findmatch(oap, NUL)) != NULL)
3005 		{
3006 		    curwin->w_cursor = *pos;
3007 		    if (oap->motion_type == MLINE)
3008 			VIsual_mode = 'V';
3009 		    else if (*p_sel == 'e')
3010 		    {
3011 			if (lt(curwin->w_cursor, VIsual))
3012 			    ++VIsual.col;
3013 			else
3014 			    ++curwin->w_cursor.col;
3015 		    }
3016 		}
3017 	    }
3018 
3019 	    if (pos == NULL && (is_click || is_drag))
3020 	    {
3021 		/* When not found a match or when dragging: extend to include
3022 		 * a word. */
3023 		if (lt(curwin->w_cursor, orig_cursor))
3024 		{
3025 		    find_start_of_word(&curwin->w_cursor);
3026 		    find_end_of_word(&VIsual);
3027 		}
3028 		else
3029 		{
3030 		    find_start_of_word(&VIsual);
3031 		    if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3032 #ifdef FEAT_MBYTE
3033 			curwin->w_cursor.col +=
3034 					 (*mb_ptr2len)(ml_get_cursor());
3035 #else
3036 			++curwin->w_cursor.col;
3037 #endif
3038 		    find_end_of_word(&curwin->w_cursor);
3039 		}
3040 	    }
3041 	    curwin->w_set_curswant = TRUE;
3042 	}
3043 	if (is_click)
3044 	    redraw_curbuf_later(INVERTED);	/* update the inversion */
3045     }
3046     else if (VIsual_active && !old_active)
3047     {
3048 	if (mod_mask & MOD_MASK_ALT)
3049 	    VIsual_mode = Ctrl_V;
3050 	else
3051 	    VIsual_mode = 'v';
3052     }
3053 
3054     /* If Visual mode changed show it later. */
3055     if ((!VIsual_active && old_active && mode_displayed)
3056 	    || (VIsual_active && p_smd && msg_silent == 0
3057 				 && (!old_active || VIsual_mode != old_mode)))
3058 	redraw_cmdline = TRUE;
3059 #endif
3060 
3061     return moved;
3062 }
3063 
3064 #ifdef FEAT_VISUAL
3065 /*
3066  * Move "pos" back to the start of the word it's in.
3067  */
3068     static void
3069 find_start_of_word(pos)
3070     pos_T	*pos;
3071 {
3072     char_u	*line;
3073     int		cclass;
3074     int		col;
3075 
3076     line = ml_get(pos->lnum);
3077     cclass = get_mouse_class(line + pos->col);
3078 
3079     while (pos->col > 0)
3080     {
3081 	col = pos->col - 1;
3082 #ifdef FEAT_MBYTE
3083 	col -= (*mb_head_off)(line, line + col);
3084 #endif
3085 	if (get_mouse_class(line + col) != cclass)
3086 	    break;
3087 	pos->col = col;
3088     }
3089 }
3090 
3091 /*
3092  * Move "pos" forward to the end of the word it's in.
3093  * When 'selection' is "exclusive", the position is just after the word.
3094  */
3095     static void
3096 find_end_of_word(pos)
3097     pos_T	*pos;
3098 {
3099     char_u	*line;
3100     int		cclass;
3101     int		col;
3102 
3103     line = ml_get(pos->lnum);
3104     if (*p_sel == 'e' && pos->col > 0)
3105     {
3106 	--pos->col;
3107 #ifdef FEAT_MBYTE
3108 	pos->col -= (*mb_head_off)(line, line + pos->col);
3109 #endif
3110     }
3111     cclass = get_mouse_class(line + pos->col);
3112     while (line[pos->col] != NUL)
3113     {
3114 #ifdef FEAT_MBYTE
3115 	col = pos->col + (*mb_ptr2len)(line + pos->col);
3116 #else
3117 	col = pos->col + 1;
3118 #endif
3119 	if (get_mouse_class(line + col) != cclass)
3120 	{
3121 	    if (*p_sel == 'e')
3122 		pos->col = col;
3123 	    break;
3124 	}
3125 	pos->col = col;
3126     }
3127 }
3128 
3129 /*
3130  * Get class of a character for selection: same class means same word.
3131  * 0: blank
3132  * 1: punctuation groups
3133  * 2: normal word character
3134  * >2: multi-byte word character.
3135  */
3136     static int
3137 get_mouse_class(p)
3138     char_u	*p;
3139 {
3140     int		c;
3141 
3142 #ifdef FEAT_MBYTE
3143     if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3144 	return mb_get_class(p);
3145 #endif
3146 
3147     c = *p;
3148     if (c == ' ' || c == '\t')
3149 	return 0;
3150 
3151     if (vim_iswordc(c))
3152 	return 2;
3153 
3154     /*
3155      * There are a few special cases where we want certain combinations of
3156      * characters to be considered as a single word.  These are things like
3157      * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc.  Otherwise, each
3158      * character is in it's own class.
3159      */
3160     if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3161 	return 1;
3162     return c;
3163 }
3164 #endif /* FEAT_VISUAL */
3165 #endif /* FEAT_MOUSE */
3166 
3167 #if defined(FEAT_VISUAL) || defined(PROTO)
3168 /*
3169  * Check if  highlighting for visual mode is possible, give a warning message
3170  * if not.
3171  */
3172     void
3173 check_visual_highlight()
3174 {
3175     static int	    did_check = FALSE;
3176 
3177     if (full_screen)
3178     {
3179 	if (!did_check && hl_attr(HLF_V) == 0)
3180 	    MSG(_("Warning: terminal cannot highlight"));
3181 	did_check = TRUE;
3182     }
3183 }
3184 
3185 /*
3186  * End Visual mode.
3187  * This function should ALWAYS be called to end Visual mode, except from
3188  * do_pending_operator().
3189  */
3190     void
3191 end_visual_mode()
3192 {
3193 #ifdef FEAT_CLIPBOARD
3194     /*
3195      * If we are using the clipboard, then remember what was selected in case
3196      * we need to paste it somewhere while we still own the selection.
3197      * Only do this when the clipboard is already owned.  Don't want to grab
3198      * the selection when hitting ESC.
3199      */
3200     if (clip_star.available && clip_star.owned)
3201 	clip_auto_select();
3202 #endif
3203 
3204     VIsual_active = FALSE;
3205 #ifdef FEAT_MOUSE
3206     setmouse();
3207     mouse_dragging = 0;
3208 #endif
3209 
3210     /* Save the current VIsual area for '< and '> marks, and "gv" */
3211     curbuf->b_visual.vi_mode = VIsual_mode;
3212     curbuf->b_visual.vi_start = VIsual;
3213     curbuf->b_visual.vi_end = curwin->w_cursor;
3214     curbuf->b_visual.vi_curswant = curwin->w_curswant;
3215 #ifdef FEAT_EVAL
3216     curbuf->b_visual_mode_eval = VIsual_mode;
3217 #endif
3218 #ifdef FEAT_VIRTUALEDIT
3219     if (!virtual_active())
3220 	curwin->w_cursor.coladd = 0;
3221 #endif
3222 
3223     if (mode_displayed)
3224 	clear_cmdline = TRUE;		/* unshow visual mode later */
3225 #ifdef FEAT_CMDL_INFO
3226     else
3227 	clear_showcmd();
3228 #endif
3229 
3230     adjust_cursor_eol();
3231 }
3232 
3233 /*
3234  * Reset VIsual_active and VIsual_reselect.
3235  */
3236     void
3237 reset_VIsual_and_resel()
3238 {
3239     if (VIsual_active)
3240     {
3241 	end_visual_mode();
3242 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3243     }
3244     VIsual_reselect = FALSE;
3245 }
3246 
3247 /*
3248  * Reset VIsual_active and VIsual_reselect if it's set.
3249  */
3250     void
3251 reset_VIsual()
3252 {
3253     if (VIsual_active)
3254     {
3255 	end_visual_mode();
3256 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
3257 	VIsual_reselect = FALSE;
3258     }
3259 }
3260 #endif /* FEAT_VISUAL */
3261 
3262 #if defined(FEAT_BEVAL)
3263 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3264 
3265 /*
3266  * Check for a balloon-eval special item to include when searching for an
3267  * identifier.  When "dir" is BACKWARD "ptr[-1]" must be valid!
3268  * Returns TRUE if the character at "*ptr" should be included.
3269  * "dir" is FORWARD or BACKWARD, the direction of searching.
3270  * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3271  * "bnp" points to a counter for square brackets.
3272  */
3273     static int
3274 find_is_eval_item(ptr, colp, bnp, dir)
3275     char_u	*ptr;
3276     int		*colp;
3277     int		*bnp;
3278     int		dir;
3279 {
3280     /* Accept everything inside []. */
3281     if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3282 	++*bnp;
3283     if (*bnp > 0)
3284     {
3285 	if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3286 	    --*bnp;
3287 	return TRUE;
3288     }
3289 
3290     /* skip over "s.var" */
3291     if (*ptr == '.')
3292 	return TRUE;
3293 
3294     /* two-character item: s->var */
3295     if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3296 	    && ptr[dir == BACKWARD ? -1 : 0] == '-')
3297     {
3298 	*colp += dir;
3299 	return TRUE;
3300     }
3301     return FALSE;
3302 }
3303 #endif
3304 
3305 /*
3306  * Find the identifier under or to the right of the cursor.
3307  * "find_type" can have one of three values:
3308  * FIND_IDENT:   find an identifier (keyword)
3309  * FIND_STRING:  find any non-white string
3310  * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3311  * FIND_EVAL:	 find text useful for C program debugging
3312  *
3313  * There are three steps:
3314  * 1. Search forward for the start of an identifier/string.  Doesn't move if
3315  *    already on one.
3316  * 2. Search backward for the start of this identifier/string.
3317  *    This doesn't match the real Vi but I like it a little better and it
3318  *    shouldn't bother anyone.
3319  * 3. Search forward to the end of this identifier/string.
3320  *    When FIND_IDENT isn't defined, we backup until a blank.
3321  *
3322  * Returns the length of the string, or zero if no string is found.
3323  * If a string is found, a pointer to the string is put in "*string".  This
3324  * string is not always NUL terminated.
3325  */
3326     int
3327 find_ident_under_cursor(string, find_type)
3328     char_u	**string;
3329     int		find_type;
3330 {
3331     return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3332 				     curwin->w_cursor.col, string, find_type);
3333 }
3334 
3335 /*
3336  * Like find_ident_under_cursor(), but for any window and any position.
3337  * However: Uses 'iskeyword' from the current window!.
3338  */
3339     int
3340 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3341     win_T	*wp;
3342     linenr_T	lnum;
3343     colnr_T	startcol;
3344     char_u	**string;
3345     int		find_type;
3346 {
3347     char_u	*ptr;
3348     int		col = 0;	    /* init to shut up GCC */
3349     int		i;
3350 #ifdef FEAT_MBYTE
3351     int		this_class = 0;
3352     int		prev_class;
3353     int		prevcol;
3354 #endif
3355 #if defined(FEAT_BEVAL)
3356     int		bn = 0;	    /* bracket nesting */
3357 #endif
3358 
3359     /*
3360      * if i == 0: try to find an identifier
3361      * if i == 1: try to find any non-white string
3362      */
3363     ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3364     for (i = (find_type & FIND_IDENT) ? 0 : 1;	i < 2; ++i)
3365     {
3366 	/*
3367 	 * 1. skip to start of identifier/string
3368 	 */
3369 	col = startcol;
3370 #ifdef FEAT_MBYTE
3371 	if (has_mbyte)
3372 	{
3373 	    while (ptr[col] != NUL)
3374 	    {
3375 # if defined(FEAT_BEVAL)
3376 		/* Stop at a ']' to evaluate "a[x]". */
3377 		if ((find_type & FIND_EVAL) && ptr[col] == ']')
3378 		    break;
3379 # endif
3380 		this_class = mb_get_class(ptr + col);
3381 		if (this_class != 0 && (i == 1 || this_class != 1))
3382 		    break;
3383 		col += (*mb_ptr2len)(ptr + col);
3384 	    }
3385 	}
3386 	else
3387 #endif
3388 	    while (ptr[col] != NUL
3389 		    && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3390 # if defined(FEAT_BEVAL)
3391 		    && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3392 # endif
3393 		    )
3394 		++col;
3395 
3396 #if defined(FEAT_BEVAL)
3397 	/* When starting on a ']' count it, so that we include the '['. */
3398 	bn = ptr[col] == ']';
3399 #endif
3400 
3401 	/*
3402 	 * 2. Back up to start of identifier/string.
3403 	 */
3404 #ifdef FEAT_MBYTE
3405 	if (has_mbyte)
3406 	{
3407 	    /* Remember class of character under cursor. */
3408 # if defined(FEAT_BEVAL)
3409 	    if ((find_type & FIND_EVAL) && ptr[col] == ']')
3410 		this_class = mb_get_class((char_u *)"a");
3411 	    else
3412 # endif
3413 		this_class = mb_get_class(ptr + col);
3414 	    while (col > 0 && this_class != 0)
3415 	    {
3416 		prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3417 		prev_class = mb_get_class(ptr + prevcol);
3418 		if (this_class != prev_class
3419 			&& (i == 0
3420 			    || prev_class == 0
3421 			    || (find_type & FIND_IDENT))
3422 # if defined(FEAT_BEVAL)
3423 			&& (!(find_type & FIND_EVAL)
3424 			    || prevcol == 0
3425 			    || !find_is_eval_item(ptr + prevcol, &prevcol,
3426 							       &bn, BACKWARD))
3427 # endif
3428 			)
3429 		    break;
3430 		col = prevcol;
3431 	    }
3432 
3433 	    /* If we don't want just any old string, or we've found an
3434 	     * identifier, stop searching. */
3435 	    if (this_class > 2)
3436 		this_class = 2;
3437 	    if (!(find_type & FIND_STRING) || this_class == 2)
3438 		break;
3439 	}
3440 	else
3441 #endif
3442 	{
3443 	    while (col > 0
3444 		    && ((i == 0
3445 			    ? vim_iswordc(ptr[col - 1])
3446 			    : (!vim_iswhite(ptr[col - 1])
3447 				&& (!(find_type & FIND_IDENT)
3448 				    || !vim_iswordc(ptr[col - 1]))))
3449 #if defined(FEAT_BEVAL)
3450 			|| ((find_type & FIND_EVAL)
3451 			    && col > 1
3452 			    && find_is_eval_item(ptr + col - 1, &col,
3453 							       &bn, BACKWARD))
3454 #endif
3455 			))
3456 		--col;
3457 
3458 	    /* If we don't want just any old string, or we've found an
3459 	     * identifier, stop searching. */
3460 	    if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3461 		break;
3462 	}
3463     }
3464 
3465     if (ptr[col] == NUL || (i == 0 && (
3466 #ifdef FEAT_MBYTE
3467 		has_mbyte ? this_class != 2 :
3468 #endif
3469 		!vim_iswordc(ptr[col]))))
3470     {
3471 	/*
3472 	 * didn't find an identifier or string
3473 	 */
3474 	if (find_type & FIND_STRING)
3475 	    EMSG(_("E348: No string under cursor"));
3476 	else
3477 	    EMSG(_("E349: No identifier under cursor"));
3478 	return 0;
3479     }
3480     ptr += col;
3481     *string = ptr;
3482 
3483     /*
3484      * 3. Find the end if the identifier/string.
3485      */
3486 #if defined(FEAT_BEVAL)
3487     bn = 0;
3488     startcol -= col;
3489 #endif
3490     col = 0;
3491 #ifdef FEAT_MBYTE
3492     if (has_mbyte)
3493     {
3494 	/* Search for point of changing multibyte character class. */
3495 	this_class = mb_get_class(ptr);
3496 	while (ptr[col] != NUL
3497 		&& ((i == 0 ? mb_get_class(ptr + col) == this_class
3498 			    : mb_get_class(ptr + col) != 0)
3499 # if defined(FEAT_BEVAL)
3500 		    || ((find_type & FIND_EVAL)
3501 			&& col <= (int)startcol
3502 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3503 # endif
3504 		))
3505 	    col += (*mb_ptr2len)(ptr + col);
3506     }
3507     else
3508 #endif
3509 	while ((i == 0 ? vim_iswordc(ptr[col])
3510 		       : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3511 # if defined(FEAT_BEVAL)
3512 		    || ((find_type & FIND_EVAL)
3513 			&& col <= (int)startcol
3514 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3515 # endif
3516 		)
3517 	{
3518 	    ++col;
3519 	}
3520 
3521     return col;
3522 }
3523 
3524 /*
3525  * Prepare for redo of a normal command.
3526  */
3527     static void
3528 prep_redo_cmd(cap)
3529     cmdarg_T  *cap;
3530 {
3531     prep_redo(cap->oap->regname, cap->count0,
3532 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3533 }
3534 
3535 /*
3536  * Prepare for redo of any command.
3537  * Note that only the last argument can be a multi-byte char.
3538  */
3539     static void
3540 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3541     int	    regname;
3542     long    num;
3543     int	    cmd1;
3544     int	    cmd2;
3545     int	    cmd3;
3546     int	    cmd4;
3547     int	    cmd5;
3548 {
3549     ResetRedobuff();
3550     if (regname != 0)	/* yank from specified buffer */
3551     {
3552 	AppendCharToRedobuff('"');
3553 	AppendCharToRedobuff(regname);
3554     }
3555     if (num)
3556 	AppendNumberToRedobuff(num);
3557 
3558     if (cmd1 != NUL)
3559 	AppendCharToRedobuff(cmd1);
3560     if (cmd2 != NUL)
3561 	AppendCharToRedobuff(cmd2);
3562     if (cmd3 != NUL)
3563 	AppendCharToRedobuff(cmd3);
3564     if (cmd4 != NUL)
3565 	AppendCharToRedobuff(cmd4);
3566     if (cmd5 != NUL)
3567 	AppendCharToRedobuff(cmd5);
3568 }
3569 
3570 /*
3571  * check for operator active and clear it
3572  *
3573  * return TRUE if operator was active
3574  */
3575     static int
3576 checkclearop(oap)
3577     oparg_T	*oap;
3578 {
3579     if (oap->op_type == OP_NOP)
3580 	return FALSE;
3581     clearopbeep(oap);
3582     return TRUE;
3583 }
3584 
3585 /*
3586  * Check for operator or Visual active.  Clear active operator.
3587  *
3588  * Return TRUE if operator or Visual was active.
3589  */
3590     static int
3591 checkclearopq(oap)
3592     oparg_T	*oap;
3593 {
3594     if (oap->op_type == OP_NOP
3595 #ifdef FEAT_VISUAL
3596 	    && !VIsual_active
3597 #endif
3598 	    )
3599 	return FALSE;
3600     clearopbeep(oap);
3601     return TRUE;
3602 }
3603 
3604     static void
3605 clearop(oap)
3606     oparg_T	*oap;
3607 {
3608     oap->op_type = OP_NOP;
3609     oap->regname = 0;
3610     oap->motion_force = NUL;
3611     oap->use_reg_one = FALSE;
3612 }
3613 
3614     static void
3615 clearopbeep(oap)
3616     oparg_T	*oap;
3617 {
3618     clearop(oap);
3619     beep_flush();
3620 }
3621 
3622 #ifdef FEAT_VISUAL
3623 /*
3624  * Remove the shift modifier from a special key.
3625  */
3626     static void
3627 unshift_special(cap)
3628     cmdarg_T	*cap;
3629 {
3630     switch (cap->cmdchar)
3631     {
3632 	case K_S_RIGHT:	cap->cmdchar = K_RIGHT; break;
3633 	case K_S_LEFT:	cap->cmdchar = K_LEFT; break;
3634 	case K_S_UP:	cap->cmdchar = K_UP; break;
3635 	case K_S_DOWN:	cap->cmdchar = K_DOWN; break;
3636 	case K_S_HOME:	cap->cmdchar = K_HOME; break;
3637 	case K_S_END:	cap->cmdchar = K_END; break;
3638     }
3639     cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3640 }
3641 #endif
3642 
3643 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3644 /*
3645  * Routines for displaying a partly typed command
3646  */
3647 
3648 #ifdef FEAT_VISUAL	/* need room for size of Visual area */
3649 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3650 #else
3651 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3652 #endif
3653 static char_u	showcmd_buf[SHOWCMD_BUFLEN];
3654 static char_u	old_showcmd_buf[SHOWCMD_BUFLEN];  /* For push_showcmd() */
3655 static int	showcmd_is_clear = TRUE;
3656 static int	showcmd_visual = FALSE;
3657 
3658 static void display_showcmd __ARGS((void));
3659 
3660     void
3661 clear_showcmd()
3662 {
3663     if (!p_sc)
3664 	return;
3665 
3666 #ifdef FEAT_VISUAL
3667     if (VIsual_active && !char_avail())
3668     {
3669 	int		i = lt(VIsual, curwin->w_cursor);
3670 	long		lines;
3671 	colnr_T		leftcol, rightcol;
3672 	linenr_T	top, bot;
3673 
3674 	/* Show the size of the Visual area. */
3675 	if (i)
3676 	{
3677 	    top = VIsual.lnum;
3678 	    bot = curwin->w_cursor.lnum;
3679 	}
3680 	else
3681 	{
3682 	    top = curwin->w_cursor.lnum;
3683 	    bot = VIsual.lnum;
3684 	}
3685 # ifdef FEAT_FOLDING
3686 	/* Include closed folds as a whole. */
3687 	hasFolding(top, &top, NULL);
3688 	hasFolding(bot, NULL, &bot);
3689 # endif
3690 	lines = bot - top + 1;
3691 
3692 	if (VIsual_mode == Ctrl_V)
3693 	{
3694 	    getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3695 	    sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3696 					      (long)(rightcol - leftcol + 1));
3697 	}
3698 	else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3699 	    sprintf((char *)showcmd_buf, "%ld", lines);
3700 	else
3701 	    sprintf((char *)showcmd_buf, "%ld", (long)(i
3702 		    ? curwin->w_cursor.col - VIsual.col
3703 		    : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3704 	showcmd_buf[SHOWCMD_COLS] = NUL;	/* truncate */
3705 	showcmd_visual = TRUE;
3706     }
3707     else
3708 #endif
3709     {
3710 	showcmd_buf[0] = NUL;
3711 	showcmd_visual = FALSE;
3712 
3713 	/* Don't actually display something if there is nothing to clear. */
3714 	if (showcmd_is_clear)
3715 	    return;
3716     }
3717 
3718     display_showcmd();
3719 }
3720 
3721 /*
3722  * Add 'c' to string of shown command chars.
3723  * Return TRUE if output has been written (and setcursor() has been called).
3724  */
3725     int
3726 add_to_showcmd(c)
3727     int		c;
3728 {
3729     char_u	*p;
3730     int		old_len;
3731     int		extra_len;
3732     int		overflow;
3733 #if defined(FEAT_MOUSE)
3734     int		i;
3735     static int	ignore[] =
3736     {
3737 # ifdef FEAT_GUI
3738 	K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3739 	K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3740 # endif
3741 	K_IGNORE,
3742 	K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3743 	K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3744 	K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3745 	K_MOUSEDOWN, K_MOUSEUP,
3746 	K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3747 	K_CURSORHOLD,
3748 	0
3749     };
3750 #endif
3751 
3752     if (!p_sc || msg_silent != 0)
3753 	return FALSE;
3754 
3755     if (showcmd_visual)
3756     {
3757 	showcmd_buf[0] = NUL;
3758 	showcmd_visual = FALSE;
3759     }
3760 
3761 #if defined(FEAT_MOUSE)
3762     /* Ignore keys that are scrollbar updates and mouse clicks */
3763     if (IS_SPECIAL(c))
3764 	for (i = 0; ignore[i] != 0; ++i)
3765 	    if (ignore[i] == c)
3766 		return FALSE;
3767 #endif
3768 
3769     p = transchar(c);
3770     old_len = (int)STRLEN(showcmd_buf);
3771     extra_len = (int)STRLEN(p);
3772     overflow = old_len + extra_len - SHOWCMD_COLS;
3773     if (overflow > 0)
3774 	mch_memmove(showcmd_buf, showcmd_buf + overflow,
3775 						      old_len - overflow + 1);
3776     STRCAT(showcmd_buf, p);
3777 
3778     if (char_avail())
3779 	return FALSE;
3780 
3781     display_showcmd();
3782 
3783     return TRUE;
3784 }
3785 
3786     void
3787 add_to_showcmd_c(c)
3788     int		c;
3789 {
3790     if (!add_to_showcmd(c))
3791 	setcursor();
3792 }
3793 
3794 /*
3795  * Delete 'len' characters from the end of the shown command.
3796  */
3797     static void
3798 del_from_showcmd(len)
3799     int	    len;
3800 {
3801     int	    old_len;
3802 
3803     if (!p_sc)
3804 	return;
3805 
3806     old_len = (int)STRLEN(showcmd_buf);
3807     if (len > old_len)
3808 	len = old_len;
3809     showcmd_buf[old_len - len] = NUL;
3810 
3811     if (!char_avail())
3812 	display_showcmd();
3813 }
3814 
3815 /*
3816  * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3817  * something and there is a partial mapping.
3818  */
3819     void
3820 push_showcmd()
3821 {
3822     if (p_sc)
3823 	STRCPY(old_showcmd_buf, showcmd_buf);
3824 }
3825 
3826     void
3827 pop_showcmd()
3828 {
3829     if (!p_sc)
3830 	return;
3831 
3832     STRCPY(showcmd_buf, old_showcmd_buf);
3833 
3834     display_showcmd();
3835 }
3836 
3837     static void
3838 display_showcmd()
3839 {
3840     int	    len;
3841 
3842     cursor_off();
3843 
3844     len = (int)STRLEN(showcmd_buf);
3845     if (len == 0)
3846 	showcmd_is_clear = TRUE;
3847     else
3848     {
3849 	screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3850 	showcmd_is_clear = FALSE;
3851     }
3852 
3853     /*
3854      * clear the rest of an old message by outputting up to SHOWCMD_COLS
3855      * spaces
3856      */
3857     screen_puts((char_u *)"          " + len, (int)Rows - 1, sc_col + len, 0);
3858 
3859     setcursor();	    /* put cursor back where it belongs */
3860 }
3861 #endif
3862 
3863 #ifdef FEAT_SCROLLBIND
3864 /*
3865  * When "check" is FALSE, prepare for commands that scroll the window.
3866  * When "check" is TRUE, take care of scroll-binding after the window has
3867  * scrolled.  Called from normal_cmd() and edit().
3868  */
3869     void
3870 do_check_scrollbind(check)
3871     int		check;
3872 {
3873     static win_T	*old_curwin = NULL;
3874     static linenr_T	old_topline = 0;
3875 #ifdef FEAT_DIFF
3876     static int		old_topfill = 0;
3877 #endif
3878     static buf_T	*old_buf = NULL;
3879     static colnr_T	old_leftcol = 0;
3880 
3881     if (check && curwin->w_p_scb)
3882     {
3883 	/* If a ":syncbind" command was just used, don't scroll, only reset
3884 	 * the values. */
3885 	if (did_syncbind)
3886 	    did_syncbind = FALSE;
3887 	else if (curwin == old_curwin)
3888 	{
3889 	    /*
3890 	     * Synchronize other windows, as necessary according to
3891 	     * 'scrollbind'.  Don't do this after an ":edit" command, except
3892 	     * when 'diff' is set.
3893 	     */
3894 	    if ((curwin->w_buffer == old_buf
3895 #ifdef FEAT_DIFF
3896 			|| curwin->w_p_diff
3897 #endif
3898 		)
3899 		&& (curwin->w_topline != old_topline
3900 #ifdef FEAT_DIFF
3901 			|| curwin->w_topfill != old_topfill
3902 #endif
3903 			|| curwin->w_leftcol != old_leftcol))
3904 	    {
3905 		check_scrollbind(curwin->w_topline - old_topline,
3906 			(long)(curwin->w_leftcol - old_leftcol));
3907 	    }
3908 	}
3909 	else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3910 	{
3911 	    /*
3912 	     * When switching between windows, make sure that the relative
3913 	     * vertical offset is valid for the new window.  The relative
3914 	     * offset is invalid whenever another 'scrollbind' window has
3915 	     * scrolled to a point that would force the current window to
3916 	     * scroll past the beginning or end of its buffer.  When the
3917 	     * resync is performed, some of the other 'scrollbind' windows may
3918 	     * need to jump so that the current window's relative position is
3919 	     * visible on-screen.
3920 	     */
3921 	    check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3922 	}
3923 	curwin->w_scbind_pos = curwin->w_topline;
3924     }
3925 
3926     old_curwin = curwin;
3927     old_topline = curwin->w_topline;
3928 #ifdef FEAT_DIFF
3929     old_topfill = curwin->w_topfill;
3930 #endif
3931     old_buf = curwin->w_buffer;
3932     old_leftcol = curwin->w_leftcol;
3933 }
3934 
3935 /*
3936  * Synchronize any windows that have "scrollbind" set, based on the
3937  * number of rows by which the current window has changed
3938  * (1998-11-02 16:21:01  R. Edward Ralston <[email protected]>)
3939  */
3940     void
3941 check_scrollbind(topline_diff, leftcol_diff)
3942     linenr_T	topline_diff;
3943     long	leftcol_diff;
3944 {
3945     int		want_ver;
3946     int		want_hor;
3947     win_T	*old_curwin = curwin;
3948     buf_T	*old_curbuf = curbuf;
3949 #ifdef FEAT_VISUAL
3950     int		old_VIsual_select = VIsual_select;
3951     int		old_VIsual_active = VIsual_active;
3952 #endif
3953     colnr_T	tgt_leftcol = curwin->w_leftcol;
3954     long	topline;
3955     long	y;
3956 
3957     /*
3958      * check 'scrollopt' string for vertical and horizontal scroll options
3959      */
3960     want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
3961 #ifdef FEAT_DIFF
3962     want_ver |= old_curwin->w_p_diff;
3963 #endif
3964     want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
3965 
3966     /*
3967      * loop through the scrollbound windows and scroll accordingly
3968      */
3969 #ifdef FEAT_VISUAL
3970     VIsual_select = VIsual_active = 0;
3971 #endif
3972     for (curwin = firstwin; curwin; curwin = curwin->w_next)
3973     {
3974 	curbuf = curwin->w_buffer;
3975 	/* skip original window  and windows with 'noscrollbind' */
3976 	if (curwin != old_curwin && curwin->w_p_scb)
3977 	{
3978 	    /*
3979 	     * do the vertical scroll
3980 	     */
3981 	    if (want_ver)
3982 	    {
3983 #ifdef FEAT_DIFF
3984 		if (old_curwin->w_p_diff && curwin->w_p_diff)
3985 		{
3986 		    diff_set_topline(old_curwin, curwin);
3987 		}
3988 		else
3989 #endif
3990 		{
3991 		    curwin->w_scbind_pos += topline_diff;
3992 		    topline = curwin->w_scbind_pos;
3993 		    if (topline > curbuf->b_ml.ml_line_count)
3994 			topline = curbuf->b_ml.ml_line_count;
3995 		    if (topline < 1)
3996 			topline = 1;
3997 
3998 		    y = topline - curwin->w_topline;
3999 		    if (y > 0)
4000 			scrollup(y, FALSE);
4001 		    else
4002 			scrolldown(-y, FALSE);
4003 		}
4004 
4005 		redraw_later(VALID);
4006 		cursor_correct();
4007 #ifdef FEAT_WINDOWS
4008 		curwin->w_redr_status = TRUE;
4009 #endif
4010 	    }
4011 
4012 	    /*
4013 	     * do the horizontal scroll
4014 	     */
4015 	    if (want_hor && curwin->w_leftcol != tgt_leftcol)
4016 	    {
4017 		curwin->w_leftcol = tgt_leftcol;
4018 		leftcol_changed();
4019 	    }
4020 	}
4021     }
4022 
4023     /*
4024      * reset current-window
4025      */
4026 #ifdef FEAT_VISUAL
4027     VIsual_select = old_VIsual_select;
4028     VIsual_active = old_VIsual_active;
4029 #endif
4030     curwin = old_curwin;
4031     curbuf = old_curbuf;
4032 }
4033 #endif /* #ifdef FEAT_SCROLLBIND */
4034 
4035 /*
4036  * Command character that's ignored.
4037  * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4038  * xon/xoff
4039  */
4040     static void
4041 nv_ignore(cap)
4042     cmdarg_T	*cap;
4043 {
4044     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
4045 }
4046 
4047 /*
4048  * Command character that doesn't do anything, but unlike nv_ignore() does
4049  * start edit().  Used for "startinsert" executed while starting up.
4050  */
4051 /*ARGSUSED */
4052     static void
4053 nv_nop(cap)
4054     cmdarg_T	*cap;
4055 {
4056 }
4057 
4058 /*
4059  * Command character doesn't exist.
4060  */
4061     static void
4062 nv_error(cap)
4063     cmdarg_T	*cap;
4064 {
4065     clearopbeep(cap->oap);
4066 }
4067 
4068 /*
4069  * <Help> and <F1> commands.
4070  */
4071     static void
4072 nv_help(cap)
4073     cmdarg_T	*cap;
4074 {
4075     if (!checkclearopq(cap->oap))
4076 	ex_help(NULL);
4077 }
4078 
4079 /*
4080  * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4081  */
4082     static void
4083 nv_addsub(cap)
4084     cmdarg_T	*cap;
4085 {
4086     if (!checkclearopq(cap->oap)
4087 	    && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4088 	prep_redo_cmd(cap);
4089 }
4090 
4091 /*
4092  * CTRL-F, CTRL-B, etc: Scroll page up or down.
4093  */
4094     static void
4095 nv_page(cap)
4096     cmdarg_T	*cap;
4097 {
4098     if (!checkclearop(cap->oap))
4099     {
4100 #ifdef FEAT_WINDOWS
4101 	if (mod_mask & MOD_MASK_CTRL)
4102 	{
4103 	    /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4104 	    if (cap->arg == BACKWARD)
4105 		goto_tabpage(-(int)cap->count1);
4106 	    else
4107 		goto_tabpage((int)cap->count0);
4108 	}
4109 	else
4110 #endif
4111 	(void)onepage(cap->arg, cap->count1);
4112     }
4113 }
4114 
4115 /*
4116  * Implementation of "gd" and "gD" command.
4117  */
4118     static void
4119 nv_gd(oap, nchar, thisblock)
4120     oparg_T	*oap;
4121     int		nchar;
4122     int		thisblock;	/* 1 for "1gd" and "1gD" */
4123 {
4124     int		len;
4125     char_u	*ptr;
4126 
4127     if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4128 	    || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4129 	clearopbeep(oap);
4130 #ifdef FEAT_FOLDING
4131     else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4132 	foldOpenCursor();
4133 #endif
4134 }
4135 
4136 /*
4137  * Search for variable declaration of "ptr[len]".
4138  * When "locally" is TRUE in the current function ("gd"), otherwise in the
4139  * current file ("gD").
4140  * When "thisblock" is TRUE check the {} block scope.
4141  * Return FAIL when not found.
4142  */
4143     int
4144 find_decl(ptr, len, locally, thisblock, searchflags)
4145     char_u	*ptr;
4146     int		len;
4147     int		locally;
4148     int		thisblock;
4149     int		searchflags;	/* flags passed to searchit() */
4150 {
4151     char_u	*pat;
4152     pos_T	old_pos;
4153     pos_T	par_pos;
4154     pos_T	found_pos;
4155     int		t;
4156     int		save_p_ws;
4157     int		save_p_scs;
4158     int		retval = OK;
4159     int		incll;
4160 
4161     if ((pat = alloc(len + 7)) == NULL)
4162 	return FAIL;
4163 
4164     /* Put "\V" before the pattern to avoid that the special meaning of "."
4165      * and "~" causes trouble. */
4166     sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4167 								    len, ptr);
4168     old_pos = curwin->w_cursor;
4169     save_p_ws = p_ws;
4170     save_p_scs = p_scs;
4171     p_ws = FALSE;	/* don't wrap around end of file now */
4172     p_scs = FALSE;	/* don't switch ignorecase off now */
4173 
4174     /*
4175      * With "gD" go to line 1.
4176      * With "gd" Search back for the start of the current function, then go
4177      * back until a blank line.  If this fails go to line 1.
4178      */
4179     if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4180     {
4181 	setpcmark();			/* Set in findpar() otherwise */
4182 	curwin->w_cursor.lnum = 1;
4183 	par_pos = curwin->w_cursor;
4184     }
4185     else
4186     {
4187 	par_pos = curwin->w_cursor;
4188 	while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4189 	    --curwin->w_cursor.lnum;
4190     }
4191     curwin->w_cursor.col = 0;
4192 
4193     /* Search forward for the identifier, ignore comment lines. */
4194     clearpos(&found_pos);
4195     for (;;)
4196     {
4197 	t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4198 			    pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
4199 	if (curwin->w_cursor.lnum >= old_pos.lnum)
4200 	    t = FAIL;	/* match after start is failure too */
4201 
4202 	if (thisblock && t != FAIL)
4203 	{
4204 	    pos_T	*pos;
4205 
4206 	    /* Check that the block the match is in doesn't end before the
4207 	     * position where we started the search from. */
4208 	    if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4209 		     (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4210 		    && pos->lnum < old_pos.lnum)
4211 		continue;
4212 	}
4213 
4214 	if (t == FAIL)
4215 	{
4216 	    /* If we previously found a valid position, use it. */
4217 	    if (found_pos.lnum != 0)
4218 	    {
4219 		curwin->w_cursor = found_pos;
4220 		t = OK;
4221 	    }
4222 	    break;
4223 	}
4224 #ifdef FEAT_COMMENTS
4225 	if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4226 	{
4227 	    /* Ignore this line, continue at start of next line. */
4228 	    ++curwin->w_cursor.lnum;
4229 	    curwin->w_cursor.col = 0;
4230 	    continue;
4231 	}
4232 #endif
4233 	if (!locally)	/* global search: use first match found */
4234 	    break;
4235 	if (curwin->w_cursor.lnum >= par_pos.lnum)
4236 	{
4237 	    /* If we previously found a valid position, use it. */
4238 	    if (found_pos.lnum != 0)
4239 		curwin->w_cursor = found_pos;
4240 	    break;
4241 	}
4242 
4243 	/* For finding a local variable and the match is before the "{" search
4244 	 * to find a later match.  For K&R style function declarations this
4245 	 * skips the function header without types. */
4246 	found_pos = curwin->w_cursor;
4247     }
4248 
4249     if (t == FAIL)
4250     {
4251 	retval = FAIL;
4252 	curwin->w_cursor = old_pos;
4253     }
4254     else
4255     {
4256 	curwin->w_set_curswant = TRUE;
4257 	/* "n" searches forward now */
4258 	reset_search_dir();
4259     }
4260 
4261     vim_free(pat);
4262     p_ws = save_p_ws;
4263     p_scs = save_p_scs;
4264 
4265     return retval;
4266 }
4267 
4268 /*
4269  * Move 'dist' lines in direction 'dir', counting lines by *screen*
4270  * lines rather than lines in the file.
4271  * 'dist' must be positive.
4272  *
4273  * Return OK if able to move cursor, FAIL otherwise.
4274  */
4275     static int
4276 nv_screengo(oap, dir, dist)
4277     oparg_T	*oap;
4278     int		dir;
4279     long	dist;
4280 {
4281     int		linelen = linetabsize(ml_get_curline());
4282     int		retval = OK;
4283     int		atend = FALSE;
4284     int		n;
4285     int		col_off1;	/* margin offset for first screen line */
4286     int		col_off2;	/* margin offset for wrapped screen line */
4287     int		width1;		/* text width for first screen line */
4288     int		width2;		/* test width for wrapped screen line */
4289 
4290     oap->motion_type = MCHAR;
4291     oap->inclusive = FALSE;
4292 
4293     col_off1 = curwin_col_off();
4294     col_off2 = col_off1 - curwin_col_off2();
4295     width1 = W_WIDTH(curwin) - col_off1;
4296     width2 = W_WIDTH(curwin) - col_off2;
4297 
4298 #ifdef FEAT_VERTSPLIT
4299     if (curwin->w_width != 0)
4300     {
4301 #endif
4302       /*
4303        * Instead of sticking at the last character of the buffer line we
4304        * try to stick in the last column of the screen.
4305        */
4306       if (curwin->w_curswant == MAXCOL)
4307       {
4308 	atend = TRUE;
4309 	validate_virtcol();
4310 	if (width1 <= 0)
4311 	    curwin->w_curswant = 0;
4312 	else
4313 	{
4314 	    curwin->w_curswant = width1 - 1;
4315 	    if (curwin->w_virtcol > curwin->w_curswant)
4316 		curwin->w_curswant += ((curwin->w_virtcol
4317 			     - curwin->w_curswant - 1) / width2 + 1) * width2;
4318 	}
4319       }
4320       else
4321       {
4322 	if (linelen > width1)
4323 	    n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4324 	else
4325 	    n = width1;
4326 	if (curwin->w_curswant > (colnr_T)n + 1)
4327 	    curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4328 								     * width2;
4329       }
4330 
4331       while (dist--)
4332       {
4333 	if (dir == BACKWARD)
4334 	{
4335 	    if ((long)curwin->w_curswant >= width2)
4336 		/* move back within line */
4337 		curwin->w_curswant -= width2;
4338 	    else
4339 	    {
4340 		/* to previous line */
4341 		if (curwin->w_cursor.lnum == 1)
4342 		{
4343 		    retval = FAIL;
4344 		    break;
4345 		}
4346 		--curwin->w_cursor.lnum;
4347 #ifdef FEAT_FOLDING
4348 		/* Move to the start of a closed fold.  Don't do that when
4349 		 * 'foldopen' contains "all": it will open in a moment. */
4350 		if (!(fdo_flags & FDO_ALL))
4351 		    (void)hasFolding(curwin->w_cursor.lnum,
4352 						&curwin->w_cursor.lnum, NULL);
4353 #endif
4354 		linelen = linetabsize(ml_get_curline());
4355 		if (linelen > width1)
4356 		    curwin->w_curswant += (((linelen - width1 - 1) / width2)
4357 								+ 1) * width2;
4358 	    }
4359 	}
4360 	else /* dir == FORWARD */
4361 	{
4362 	    if (linelen > width1)
4363 		n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4364 	    else
4365 		n = width1;
4366 	    if (curwin->w_curswant + width2 < (colnr_T)n)
4367 		/* move forward within line */
4368 		curwin->w_curswant += width2;
4369 	    else
4370 	    {
4371 		/* to next line */
4372 #ifdef FEAT_FOLDING
4373 		/* Move to the end of a closed fold. */
4374 		(void)hasFolding(curwin->w_cursor.lnum, NULL,
4375 						      &curwin->w_cursor.lnum);
4376 #endif
4377 		if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4378 		{
4379 		    retval = FAIL;
4380 		    break;
4381 		}
4382 		curwin->w_cursor.lnum++;
4383 		curwin->w_curswant %= width2;
4384 	    }
4385 	}
4386       }
4387 #ifdef FEAT_VERTSPLIT
4388     }
4389 #endif
4390 
4391     coladvance(curwin->w_curswant);
4392 
4393 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4394     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4395     {
4396 	/*
4397 	 * Check for landing on a character that got split at the end of the
4398 	 * last line.  We want to advance a screenline, not end up in the same
4399 	 * screenline or move two screenlines.
4400 	 */
4401 	validate_virtcol();
4402 	if (curwin->w_virtcol > curwin->w_curswant
4403 		&& (curwin->w_curswant < (colnr_T)width1
4404 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)
4405 		    : ((curwin->w_curswant - width1) % width2
4406 						      > (colnr_T)width2 / 2)))
4407 	    --curwin->w_cursor.col;
4408     }
4409 #endif
4410 
4411     if (atend)
4412 	curwin->w_curswant = MAXCOL;	    /* stick in the last column */
4413 
4414     return retval;
4415 }
4416 
4417 #ifdef FEAT_MOUSE
4418 /*
4419  * Mouse scroll wheel: Default action is to scroll three lines, or one page
4420  * when Shift or Ctrl is used.
4421  * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4422  */
4423     static void
4424 nv_mousescroll(cap)
4425     cmdarg_T	*cap;
4426 {
4427 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4428     win_T *old_curwin = curwin;
4429 
4430     /* Currently we only get the mouse coordinates in the GUI. */
4431     if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4432     {
4433 	int row, col;
4434 
4435 	row = mouse_row;
4436 	col = mouse_col;
4437 
4438 	/* find the window at the pointer coordinates */
4439 	curwin = mouse_find_win(&row, &col);
4440 	curbuf = curwin->w_buffer;
4441     }
4442 # endif
4443 
4444     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4445     {
4446 	(void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4447     }
4448     else
4449     {
4450 	cap->count1 = 3;
4451 	cap->count0 = 3;
4452 	nv_scroll_line(cap);
4453     }
4454 
4455 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4456     curwin->w_redr_status = TRUE;
4457 
4458     curwin = old_curwin;
4459     curbuf = curwin->w_buffer;
4460 # endif
4461 }
4462 
4463 /*
4464  * Mouse clicks and drags.
4465  */
4466     static void
4467 nv_mouse(cap)
4468     cmdarg_T	*cap;
4469 {
4470     (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4471 }
4472 #endif
4473 
4474 /*
4475  * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4476  * cap->arg must be TRUE for CTRL-E.
4477  */
4478     static void
4479 nv_scroll_line(cap)
4480     cmdarg_T	*cap;
4481 {
4482     if (!checkclearop(cap->oap))
4483 	scroll_redraw(cap->arg, cap->count1);
4484 }
4485 
4486 /*
4487  * Scroll "count" lines up or down, and redraw.
4488  */
4489     void
4490 scroll_redraw(up, count)
4491     int		up;
4492     long	count;
4493 {
4494     linenr_T	prev_topline = curwin->w_topline;
4495 #ifdef FEAT_DIFF
4496     int		prev_topfill = curwin->w_topfill;
4497 #endif
4498     linenr_T	prev_lnum = curwin->w_cursor.lnum;
4499 
4500     if (up)
4501 	scrollup(count, TRUE);
4502     else
4503 	scrolldown(count, TRUE);
4504     if (p_so)
4505     {
4506 	/* Adjust the cursor position for 'scrolloff'.  Mark w_topline as
4507 	 * valid, otherwise the screen jumps back at the end of the file. */
4508 	cursor_correct();
4509 	check_cursor_moved(curwin);
4510 	curwin->w_valid |= VALID_TOPLINE;
4511 
4512 	/* If moved back to where we were, at least move the cursor, otherwise
4513 	 * we get stuck at one position.  Don't move the cursor up if the
4514 	 * first line of the buffer is already on the screen */
4515 	while (curwin->w_topline == prev_topline
4516 #ifdef FEAT_DIFF
4517 		&& curwin->w_topfill == prev_topfill
4518 #endif
4519 		)
4520 	{
4521 	    if (up)
4522 	    {
4523 		if (curwin->w_cursor.lnum > prev_lnum
4524 			|| cursor_down(1L, FALSE) == FAIL)
4525 		    break;
4526 	    }
4527 	    else
4528 	    {
4529 		if (curwin->w_cursor.lnum < prev_lnum
4530 			|| prev_topline == 1L
4531 			|| cursor_up(1L, FALSE) == FAIL)
4532 		    break;
4533 	    }
4534 	    /* Mark w_topline as valid, otherwise the screen jumps back at the
4535 	     * end of the file. */
4536 	    check_cursor_moved(curwin);
4537 	    curwin->w_valid |= VALID_TOPLINE;
4538 	}
4539     }
4540     if (curwin->w_cursor.lnum != prev_lnum)
4541 	coladvance(curwin->w_curswant);
4542     redraw_later(VALID);
4543 }
4544 
4545 /*
4546  * Commands that start with "z".
4547  */
4548     static void
4549 nv_zet(cap)
4550     cmdarg_T  *cap;
4551 {
4552     long	n;
4553     colnr_T	col;
4554     int		nchar = cap->nchar;
4555 #ifdef FEAT_FOLDING
4556     long	old_fdl = curwin->w_p_fdl;
4557     int		old_fen = curwin->w_p_fen;
4558 #endif
4559 #ifdef FEAT_SPELL
4560     int		undo = FALSE;
4561 #endif
4562 
4563     if (VIM_ISDIGIT(nchar))
4564     {
4565 	/*
4566 	 * "z123{nchar}": edit the count before obtaining {nchar}
4567 	 */
4568 	if (checkclearop(cap->oap))
4569 	    return;
4570 	n = nchar - '0';
4571 	for (;;)
4572 	{
4573 #ifdef USE_ON_FLY_SCROLL
4574 	    dont_scroll = TRUE;		/* disallow scrolling here */
4575 #endif
4576 	    ++no_mapping;
4577 	    ++allow_keys;   /* no mapping for nchar, but allow key codes */
4578 	    nchar = plain_vgetc();
4579 #ifdef FEAT_LANGMAP
4580 	    LANGMAP_ADJUST(nchar, TRUE);
4581 #endif
4582 	    --no_mapping;
4583 	    --allow_keys;
4584 #ifdef FEAT_CMDL_INFO
4585 	    (void)add_to_showcmd(nchar);
4586 #endif
4587 	    if (nchar == K_DEL || nchar == K_KDEL)
4588 		n /= 10;
4589 	    else if (VIM_ISDIGIT(nchar))
4590 		n = n * 10 + (nchar - '0');
4591 	    else if (nchar == CAR)
4592 	    {
4593 #ifdef FEAT_GUI
4594 		need_mouse_correct = TRUE;
4595 #endif
4596 		win_setheight((int)n);
4597 		break;
4598 	    }
4599 	    else if (nchar == 'l'
4600 		    || nchar == 'h'
4601 		    || nchar == K_LEFT
4602 		    || nchar == K_RIGHT)
4603 	    {
4604 		cap->count1 = n ? n * cap->count1 : cap->count1;
4605 		goto dozet;
4606 	    }
4607 	    else
4608 	    {
4609 		clearopbeep(cap->oap);
4610 		break;
4611 	    }
4612 	}
4613 	cap->oap->op_type = OP_NOP;
4614 	return;
4615     }
4616 
4617 dozet:
4618     if (
4619 #ifdef FEAT_FOLDING
4620 	    /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4621 	     * and "zC" only in Visual mode.  "zj" and "zk" are motion
4622 	     * commands. */
4623 	    cap->nchar != 'f' && cap->nchar != 'F'
4624 	    && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4625 	    && cap->nchar != 'j' && cap->nchar != 'k'
4626 	    &&
4627 #endif
4628 	    checkclearop(cap->oap))
4629 	return;
4630 
4631     /*
4632      * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4633      * If line number given, set cursor.
4634      */
4635     if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4636 	    && cap->count0
4637 	    && cap->count0 != curwin->w_cursor.lnum)
4638     {
4639 	setpcmark();
4640 	if (cap->count0 > curbuf->b_ml.ml_line_count)
4641 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4642 	else
4643 	    curwin->w_cursor.lnum = cap->count0;
4644 	check_cursor_col();
4645     }
4646 
4647     switch (nchar)
4648     {
4649 		/* "z+", "z<CR>" and "zt": put cursor at top of screen */
4650     case '+':
4651 		if (cap->count0 == 0)
4652 		{
4653 		    /* No count given: put cursor at the line below screen */
4654 		    validate_botline();	/* make sure w_botline is valid */
4655 		    if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4656 			curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4657 		    else
4658 			curwin->w_cursor.lnum = curwin->w_botline;
4659 		}
4660 		/* FALLTHROUGH */
4661     case NL:
4662     case CAR:
4663     case K_KENTER:
4664 		beginline(BL_WHITE | BL_FIX);
4665 		/* FALLTHROUGH */
4666 
4667     case 't':	scroll_cursor_top(0, TRUE);
4668 		redraw_later(VALID);
4669 		break;
4670 
4671 		/* "z." and "zz": put cursor in middle of screen */
4672     case '.':	beginline(BL_WHITE | BL_FIX);
4673 		/* FALLTHROUGH */
4674 
4675     case 'z':	scroll_cursor_halfway(TRUE);
4676 		redraw_later(VALID);
4677 		break;
4678 
4679 		/* "z^", "z-" and "zb": put cursor at bottom of screen */
4680     case '^':	/* Strange Vi behavior: <count>z^ finds line at top of window
4681 		 * when <count> is at bottom of window, and puts that one at
4682 		 * bottom of window. */
4683 		if (cap->count0 != 0)
4684 		{
4685 		    scroll_cursor_bot(0, TRUE);
4686 		    curwin->w_cursor.lnum = curwin->w_topline;
4687 		}
4688 		else if (curwin->w_topline == 1)
4689 		    curwin->w_cursor.lnum = 1;
4690 		else
4691 		    curwin->w_cursor.lnum = curwin->w_topline - 1;
4692 		/* FALLTHROUGH */
4693     case '-':
4694 		beginline(BL_WHITE | BL_FIX);
4695 		/* FALLTHROUGH */
4696 
4697     case 'b':	scroll_cursor_bot(0, TRUE);
4698 		redraw_later(VALID);
4699 		break;
4700 
4701 		/* "zH" - scroll screen right half-page */
4702     case 'H':
4703 		cap->count1 *= W_WIDTH(curwin) / 2;
4704 		/* FALLTHROUGH */
4705 
4706 		/* "zh" - scroll screen to the right */
4707     case 'h':
4708     case K_LEFT:
4709 		if (!curwin->w_p_wrap)
4710 		{
4711 		    if ((colnr_T)cap->count1 > curwin->w_leftcol)
4712 			curwin->w_leftcol = 0;
4713 		    else
4714 			curwin->w_leftcol -= (colnr_T)cap->count1;
4715 		    leftcol_changed();
4716 		}
4717 		break;
4718 
4719 		/* "zL" - scroll screen left half-page */
4720     case 'L':	cap->count1 *= W_WIDTH(curwin) / 2;
4721 		/* FALLTHROUGH */
4722 
4723 		/* "zl" - scroll screen to the left */
4724     case 'l':
4725     case K_RIGHT:
4726 		if (!curwin->w_p_wrap)
4727 		{
4728 		    /* scroll the window left */
4729 		    curwin->w_leftcol += (colnr_T)cap->count1;
4730 		    leftcol_changed();
4731 		}
4732 		break;
4733 
4734 		/* "zs" - scroll screen, cursor at the start */
4735     case 's':	if (!curwin->w_p_wrap)
4736 		{
4737 #ifdef FEAT_FOLDING
4738 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4739 			col = 0;	/* like the cursor is in col 0 */
4740 		    else
4741 #endif
4742 		    getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4743 		    if ((long)col > p_siso)
4744 			col -= p_siso;
4745 		    else
4746 			col = 0;
4747 		    if (curwin->w_leftcol != col)
4748 		    {
4749 			curwin->w_leftcol = col;
4750 			redraw_later(NOT_VALID);
4751 		    }
4752 		}
4753 		break;
4754 
4755 		/* "ze" - scroll screen, cursor at the end */
4756     case 'e':	if (!curwin->w_p_wrap)
4757 		{
4758 #ifdef FEAT_FOLDING
4759 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4760 			col = 0;	/* like the cursor is in col 0 */
4761 		    else
4762 #endif
4763 		    getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4764 		    n = W_WIDTH(curwin) - curwin_col_off();
4765 		    if ((long)col + p_siso < n)
4766 			col = 0;
4767 		    else
4768 			col = col + p_siso - n + 1;
4769 		    if (curwin->w_leftcol != col)
4770 		    {
4771 			curwin->w_leftcol = col;
4772 			redraw_later(NOT_VALID);
4773 		    }
4774 		}
4775 		break;
4776 
4777 #ifdef FEAT_FOLDING
4778 		/* "zF": create fold command */
4779 		/* "zf": create fold operator */
4780     case 'F':
4781     case 'f':   if (foldManualAllowed(TRUE))
4782 		{
4783 		    cap->nchar = 'f';
4784 		    nv_operator(cap);
4785 		    curwin->w_p_fen = TRUE;
4786 
4787 		    /* "zF" is like "zfzf" */
4788 		    if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4789 		    {
4790 			nv_operator(cap);
4791 			finish_op = TRUE;
4792 		    }
4793 		}
4794 		else
4795 		    clearopbeep(cap->oap);
4796 		break;
4797 
4798 		/* "zd": delete fold at cursor */
4799 		/* "zD": delete fold at cursor recursively */
4800     case 'd':
4801     case 'D':	if (foldManualAllowed(FALSE))
4802 		{
4803 		    if (VIsual_active)
4804 			nv_operator(cap);
4805 		    else
4806 			deleteFold(curwin->w_cursor.lnum,
4807 				  curwin->w_cursor.lnum, nchar == 'D', FALSE);
4808 		}
4809 		break;
4810 
4811 		/* "zE": erease all folds */
4812     case 'E':	if (foldmethodIsManual(curwin))
4813 		{
4814 		    clearFolding(curwin);
4815 		    changed_window_setting();
4816 		}
4817 		else if (foldmethodIsMarker(curwin))
4818 		    deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4819 								 TRUE, FALSE);
4820 		else
4821 		    EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4822 		break;
4823 
4824 		/* "zn": fold none: reset 'foldenable' */
4825     case 'n':	curwin->w_p_fen = FALSE;
4826 		break;
4827 
4828 		/* "zN": fold Normal: set 'foldenable' */
4829     case 'N':	curwin->w_p_fen = TRUE;
4830 		break;
4831 
4832 		/* "zi": invert folding: toggle 'foldenable' */
4833     case 'i':	curwin->w_p_fen = !curwin->w_p_fen;
4834 		break;
4835 
4836 		/* "za": open closed fold or close open fold at cursor */
4837     case 'a':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4838 		    openFold(curwin->w_cursor.lnum, cap->count1);
4839 		else
4840 		{
4841 		    closeFold(curwin->w_cursor.lnum, cap->count1);
4842 		    curwin->w_p_fen = TRUE;
4843 		}
4844 		break;
4845 
4846 		/* "zA": open fold at cursor recursively */
4847     case 'A':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4848 		    openFoldRecurse(curwin->w_cursor.lnum);
4849 		else
4850 		{
4851 		    closeFoldRecurse(curwin->w_cursor.lnum);
4852 		    curwin->w_p_fen = TRUE;
4853 		}
4854 		break;
4855 
4856 		/* "zo": open fold at cursor or Visual area */
4857     case 'o':	if (VIsual_active)
4858 		    nv_operator(cap);
4859 		else
4860 		    openFold(curwin->w_cursor.lnum, cap->count1);
4861 		break;
4862 
4863 		/* "zO": open fold recursively */
4864     case 'O':	if (VIsual_active)
4865 		    nv_operator(cap);
4866 		else
4867 		    openFoldRecurse(curwin->w_cursor.lnum);
4868 		break;
4869 
4870 		/* "zc": close fold at cursor or Visual area */
4871     case 'c':	if (VIsual_active)
4872 		    nv_operator(cap);
4873 		else
4874 		    closeFold(curwin->w_cursor.lnum, cap->count1);
4875 		curwin->w_p_fen = TRUE;
4876 		break;
4877 
4878 		/* "zC": close fold recursively */
4879     case 'C':	if (VIsual_active)
4880 		    nv_operator(cap);
4881 		else
4882 		    closeFoldRecurse(curwin->w_cursor.lnum);
4883 		curwin->w_p_fen = TRUE;
4884 		break;
4885 
4886 		/* "zv": open folds at the cursor */
4887     case 'v':	foldOpenCursor();
4888 		break;
4889 
4890 		/* "zx": re-apply 'foldlevel' and open folds at the cursor */
4891     case 'x':	curwin->w_p_fen = TRUE;
4892 		newFoldLevel();		/* update right now */
4893 		foldOpenCursor();
4894 		break;
4895 
4896 		/* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4897     case 'X':	curwin->w_p_fen = TRUE;
4898 		old_fdl = -1;		/* force an update */
4899 		break;
4900 
4901 		/* "zm": fold more */
4902     case 'm':	if (curwin->w_p_fdl > 0)
4903 		    --curwin->w_p_fdl;
4904 		old_fdl = -1;		/* force an update */
4905 		curwin->w_p_fen = TRUE;
4906 		break;
4907 
4908 		/* "zM": close all folds */
4909     case 'M':	curwin->w_p_fdl = 0;
4910 		old_fdl = -1;		/* force an update */
4911 		curwin->w_p_fen = TRUE;
4912 		break;
4913 
4914 		/* "zr": reduce folding */
4915     case 'r':	++curwin->w_p_fdl;
4916 		break;
4917 
4918 		/* "zR": open all folds */
4919     case 'R':	curwin->w_p_fdl = getDeepestNesting();
4920 		old_fdl = -1;		/* force an update */
4921 		break;
4922 
4923     case 'j':	/* "zj" move to next fold downwards */
4924     case 'k':	/* "zk" move to next fold upwards */
4925 		if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4926 							  cap->count1) == FAIL)
4927 		    clearopbeep(cap->oap);
4928 		break;
4929 
4930 #endif /* FEAT_FOLDING */
4931 
4932 #ifdef FEAT_SPELL
4933     case 'u':	/* "zug" and "zuw": undo "zg" and "zw" */
4934 		++no_mapping;
4935 		++allow_keys;   /* no mapping for nchar, but allow key codes */
4936 		nchar = plain_vgetc();
4937 #ifdef FEAT_LANGMAP
4938 		LANGMAP_ADJUST(nchar, TRUE);
4939 #endif
4940 		--no_mapping;
4941 		--allow_keys;
4942 #ifdef FEAT_CMDL_INFO
4943 		(void)add_to_showcmd(nchar);
4944 #endif
4945 		if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
4946 		{
4947 		    clearopbeep(cap->oap);
4948 		    break;
4949 		}
4950 		undo = TRUE;
4951 		/*FALLTHROUGH*/
4952 
4953     case 'g':	/* "zg": add good word to word list */
4954     case 'w':	/* "zw": add wrong word to word list */
4955     case 'G':	/* "zG": add good word to temp word list */
4956     case 'W':	/* "zW": add wrong word to temp word list */
4957 		{
4958 		    char_u  *ptr = NULL;
4959 		    int	    len;
4960 
4961 		    if (checkclearop(cap->oap))
4962 			break;
4963 # ifdef FEAT_VISUAL
4964 		    if (VIsual_active && get_visual_text(cap, &ptr, &len)
4965 								      == FAIL)
4966 			return;
4967 # endif
4968 		    if (ptr == NULL)
4969 		    {
4970 			pos_T	pos = curwin->w_cursor;
4971 
4972 			/* Find bad word under the cursor. */
4973 			len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
4974 			if (len != 0 && curwin->w_cursor.col <= pos.col)
4975 			    ptr = ml_get_pos(&curwin->w_cursor);
4976 			curwin->w_cursor = pos;
4977 		    }
4978 
4979 		    if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
4980 							    FIND_IDENT)) == 0)
4981 			return;
4982 		    spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
4983 					    (nchar == 'G' || nchar == 'W')
4984 						       ? 0 : (int)cap->count1,
4985 					    undo);
4986 		}
4987 		break;
4988 
4989     case '=':	/* "z=": suggestions for a badly spelled word  */
4990 		if (!checkclearop(cap->oap))
4991 		    spell_suggest((int)cap->count0);
4992 		break;
4993 #endif
4994 
4995     default:	clearopbeep(cap->oap);
4996     }
4997 
4998 #ifdef FEAT_FOLDING
4999     /* Redraw when 'foldenable' changed */
5000     if (old_fen != curwin->w_p_fen)
5001     {
5002 # ifdef FEAT_DIFF
5003 	win_T	    *wp;
5004 
5005 	if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
5006 	{
5007 	    /* Adjust 'foldenable' in diff-synced windows. */
5008 	    FOR_ALL_WINDOWS(wp)
5009 	    {
5010 		if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
5011 		{
5012 		    wp->w_p_fen = curwin->w_p_fen;
5013 		    changed_window_setting_win(wp);
5014 		}
5015 	    }
5016 	}
5017 # endif
5018 	changed_window_setting();
5019     }
5020 
5021     /* Redraw when 'foldlevel' changed. */
5022     if (old_fdl != curwin->w_p_fdl)
5023 	newFoldLevel();
5024 #endif
5025 }
5026 
5027 #ifdef FEAT_GUI
5028 /*
5029  * Vertical scrollbar movement.
5030  */
5031     static void
5032 nv_ver_scrollbar(cap)
5033     cmdarg_T	*cap;
5034 {
5035     if (cap->oap->op_type != OP_NOP)
5036 	clearopbeep(cap->oap);
5037 
5038     /* Even if an operator was pending, we still want to scroll */
5039     gui_do_scroll();
5040 }
5041 
5042 /*
5043  * Horizontal scrollbar movement.
5044  */
5045     static void
5046 nv_hor_scrollbar(cap)
5047     cmdarg_T	*cap;
5048 {
5049     if (cap->oap->op_type != OP_NOP)
5050 	clearopbeep(cap->oap);
5051 
5052     /* Even if an operator was pending, we still want to scroll */
5053     gui_do_horiz_scroll();
5054 }
5055 #endif
5056 
5057 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5058 /*
5059  * Click in GUI tab.
5060  */
5061     static void
5062 nv_tabline(cap)
5063     cmdarg_T	*cap;
5064 {
5065     if (cap->oap->op_type != OP_NOP)
5066 	clearopbeep(cap->oap);
5067 
5068     /* Even if an operator was pending, we still want to jump tabs. */
5069     goto_tabpage(current_tab);
5070 }
5071 
5072 /*
5073  * Selected item in tab line menu.
5074  */
5075     static void
5076 nv_tabmenu(cap)
5077     cmdarg_T	*cap;
5078 {
5079     if (cap->oap->op_type != OP_NOP)
5080 	clearopbeep(cap->oap);
5081 
5082     /* Even if an operator was pending, we still want to jump tabs. */
5083     handle_tabmenu();
5084 }
5085 
5086 /*
5087  * Handle selecting an item of the GUI tab line menu.
5088  * Used in Normal and Insert mode.
5089  */
5090     void
5091 handle_tabmenu()
5092 {
5093     switch (current_tabmenu)
5094     {
5095 	case TABLINE_MENU_CLOSE:
5096 	    if (current_tab == 0)
5097 		do_cmdline_cmd((char_u *)"tabclose");
5098 	    else
5099 	    {
5100 		vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5101 								 current_tab);
5102 		do_cmdline_cmd(IObuff);
5103 	    }
5104 	    break;
5105 
5106 	case TABLINE_MENU_NEW:
5107 	    vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5108 				     current_tab > 0 ? current_tab - 1 : 999);
5109 	    do_cmdline_cmd(IObuff);
5110 	    break;
5111 
5112 	case TABLINE_MENU_OPEN:
5113 	    vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5114 				     current_tab > 0 ? current_tab - 1 : 999);
5115 	    do_cmdline_cmd(IObuff);
5116 	    break;
5117     }
5118 }
5119 #endif
5120 
5121 /*
5122  * "Q" command.
5123  */
5124     static void
5125 nv_exmode(cap)
5126     cmdarg_T	*cap;
5127 {
5128     /*
5129      * Ignore 'Q' in Visual mode, just give a beep.
5130      */
5131 #ifdef FEAT_VISUAL
5132     if (VIsual_active)
5133 	vim_beep();
5134     else
5135 #endif
5136 	if (!checkclearop(cap->oap))
5137 	do_exmode(FALSE);
5138 }
5139 
5140 /*
5141  * Handle a ":" command.
5142  */
5143     static void
5144 nv_colon(cap)
5145     cmdarg_T  *cap;
5146 {
5147     int	    old_p_im;
5148 
5149 #ifdef FEAT_VISUAL
5150     if (VIsual_active)
5151 	nv_operator(cap);
5152     else
5153 #endif
5154     {
5155 	if (cap->oap->op_type != OP_NOP)
5156 	{
5157 	    /* Using ":" as a movement is characterwise exclusive. */
5158 	    cap->oap->motion_type = MCHAR;
5159 	    cap->oap->inclusive = FALSE;
5160 	}
5161 	else if (cap->count0)
5162 	{
5163 	    /* translate "count:" into ":.,.+(count - 1)" */
5164 	    stuffcharReadbuff('.');
5165 	    if (cap->count0 > 1)
5166 	    {
5167 		stuffReadbuff((char_u *)",.+");
5168 		stuffnumReadbuff((long)cap->count0 - 1L);
5169 	    }
5170 	}
5171 
5172 	/* When typing, don't type below an old message */
5173 	if (KeyTyped)
5174 	    compute_cmdrow();
5175 
5176 	old_p_im = p_im;
5177 
5178 	/* get a command line and execute it */
5179 	do_cmdline(NULL, getexline, NULL,
5180 			    cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5181 
5182 	/* If 'insertmode' changed, enter or exit Insert mode */
5183 	if (p_im != old_p_im)
5184 	{
5185 	    if (p_im)
5186 		restart_edit = 'i';
5187 	    else
5188 		restart_edit = 0;
5189 	}
5190 
5191 	/* The start of the operator may have become invalid by the Ex
5192 	 * command. */
5193 	if (cap->oap->op_type != OP_NOP
5194 		&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5195 		    || cap->oap->start.col >
5196 					 STRLEN(ml_get(cap->oap->start.lnum))))
5197 	    clearopbeep(cap->oap);
5198     }
5199 }
5200 
5201 /*
5202  * Handle CTRL-G command.
5203  */
5204     static void
5205 nv_ctrlg(cap)
5206     cmdarg_T *cap;
5207 {
5208 #ifdef FEAT_VISUAL
5209     if (VIsual_active)	/* toggle Selection/Visual mode */
5210     {
5211 	VIsual_select = !VIsual_select;
5212 	showmode();
5213     }
5214     else
5215 #endif
5216 	if (!checkclearop(cap->oap))
5217 	/* print full name if count given or :cd used */
5218 	fileinfo((int)cap->count0, FALSE, TRUE);
5219 }
5220 
5221 /*
5222  * Handle CTRL-H <Backspace> command.
5223  */
5224     static void
5225 nv_ctrlh(cap)
5226     cmdarg_T *cap;
5227 {
5228 #ifdef FEAT_VISUAL
5229     if (VIsual_active && VIsual_select)
5230     {
5231 	cap->cmdchar = 'x';	/* BS key behaves like 'x' in Select mode */
5232 	v_visop(cap);
5233     }
5234     else
5235 #endif
5236 	nv_left(cap);
5237 }
5238 
5239 /*
5240  * CTRL-L: clear screen and redraw.
5241  */
5242     static void
5243 nv_clear(cap)
5244     cmdarg_T	*cap;
5245 {
5246     if (!checkclearop(cap->oap))
5247     {
5248 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5249 	/*
5250 	 * Right now, the BeBox doesn't seem to have an easy way to detect
5251 	 * window resizing, so we cheat and make the user detect it
5252 	 * manually with CTRL-L instead
5253 	 */
5254 	ui_get_shellsize();
5255 #endif
5256 #ifdef FEAT_SYN_HL
5257 	/* Clear all syntax states to force resyncing. */
5258 	syn_stack_free_all(curbuf);
5259 #endif
5260 	redraw_later(CLEAR);
5261     }
5262 }
5263 
5264 /*
5265  * CTRL-O: In Select mode: switch to Visual mode for one command.
5266  * Otherwise: Go to older pcmark.
5267  */
5268     static void
5269 nv_ctrlo(cap)
5270     cmdarg_T	*cap;
5271 {
5272 #ifdef FEAT_VISUAL
5273     if (VIsual_active && VIsual_select)
5274     {
5275 	VIsual_select = FALSE;
5276 	showmode();
5277 	restart_VIsual_select = 2;	/* restart Select mode later */
5278     }
5279     else
5280 #endif
5281     {
5282 	cap->count1 = -cap->count1;
5283 	nv_pcmark(cap);
5284     }
5285 }
5286 
5287 /*
5288  * CTRL-^ command, short for ":e #"
5289  */
5290     static void
5291 nv_hat(cap)
5292     cmdarg_T	*cap;
5293 {
5294     if (!checkclearopq(cap->oap))
5295 	(void)buflist_getfile((int)cap->count0, (linenr_T)0,
5296 						GETF_SETMARK|GETF_ALT, FALSE);
5297 }
5298 
5299 /*
5300  * "Z" commands.
5301  */
5302     static void
5303 nv_Zet(cap)
5304     cmdarg_T *cap;
5305 {
5306     if (!checkclearopq(cap->oap))
5307     {
5308 	switch (cap->nchar)
5309 	{
5310 			/* "ZZ": equivalent to ":x". */
5311 	    case 'Z':	do_cmdline_cmd((char_u *)"x");
5312 			break;
5313 
5314 			/* "ZQ": equivalent to ":q!" (Elvis compatible). */
5315 	    case 'Q':	do_cmdline_cmd((char_u *)"q!");
5316 			break;
5317 
5318 	    default:	clearopbeep(cap->oap);
5319 	}
5320     }
5321 }
5322 
5323 #if defined(FEAT_WINDOWS) || defined(PROTO)
5324 /*
5325  * Call nv_ident() as if "c1" was used, with "c2" as next character.
5326  */
5327     void
5328 do_nv_ident(c1, c2)
5329     int		c1;
5330     int		c2;
5331 {
5332     oparg_T	oa;
5333     cmdarg_T	ca;
5334 
5335     clear_oparg(&oa);
5336     vim_memset(&ca, 0, sizeof(ca));
5337     ca.oap = &oa;
5338     ca.cmdchar = c1;
5339     ca.nchar = c2;
5340     nv_ident(&ca);
5341 }
5342 #endif
5343 
5344 /*
5345  * Handle the commands that use the word under the cursor.
5346  * [g] CTRL-]	:ta to current identifier
5347  * [g] 'K'	run program for current identifier
5348  * [g] '*'	/ to current identifier or string
5349  * [g] '#'	? to current identifier or string
5350  *  g  ']'	:tselect for current identifier
5351  */
5352     static void
5353 nv_ident(cap)
5354     cmdarg_T	*cap;
5355 {
5356     char_u	*ptr = NULL;
5357     char_u	*buf;
5358     char_u	*p;
5359     char_u	*kp;		/* value of 'keywordprg' */
5360     int		kp_help;	/* 'keywordprg' is ":help" */
5361     int		n = 0;		/* init for GCC */
5362     int		cmdchar;
5363     int		g_cmd;		/* "g" command */
5364     char_u	*aux_ptr;
5365     int		isman;
5366     int		isman_s;
5367 
5368     if (cap->cmdchar == 'g')	/* "g*", "g#", "g]" and "gCTRL-]" */
5369     {
5370 	cmdchar = cap->nchar;
5371 	g_cmd = TRUE;
5372     }
5373     else
5374     {
5375 	cmdchar = cap->cmdchar;
5376 	g_cmd = FALSE;
5377     }
5378 
5379     if (cmdchar == POUND)	/* the pound sign, '#' for English keyboards */
5380 	cmdchar = '#';
5381 
5382     /*
5383      * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5384      */
5385     if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5386     {
5387 #ifdef FEAT_VISUAL
5388 	if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5389 	    return;
5390 #endif
5391 	if (checkclearopq(cap->oap))
5392 	    return;
5393     }
5394 
5395     if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5396 		    (cmdchar == '*' || cmdchar == '#')
5397 				 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5398     {
5399 	clearop(cap->oap);
5400 	return;
5401     }
5402 
5403     /* Allocate buffer to put the command in.  Inserting backslashes can
5404      * double the length of the word.  p_kp / curbuf->b_p_kp could be added
5405      * and some numbers. */
5406     kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5407     kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5408 						 || STRCMP(kp, ":help") == 0);
5409     buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5410     if (buf == NULL)
5411 	return;
5412     buf[0] = NUL;
5413 
5414     switch (cmdchar)
5415     {
5416 	case '*':
5417 	case '#':
5418 	    /*
5419 	     * Put cursor at start of word, makes search skip the word
5420 	     * under the cursor.
5421 	     * Call setpcmark() first, so "*``" puts the cursor back where
5422 	     * it was.
5423 	     */
5424 	    setpcmark();
5425 	    curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5426 
5427 	    if (!g_cmd && vim_iswordp(ptr))
5428 		STRCPY(buf, "\\<");
5429 	    no_smartcase = TRUE;	/* don't use 'smartcase' now */
5430 	    break;
5431 
5432 	case 'K':
5433 	    if (kp_help)
5434 		STRCPY(buf, "he! ");
5435 	    else
5436 	    {
5437 		/* When a count is given, turn it into a range.  Is this
5438 		 * really what we want? */
5439 		isman = (STRCMP(kp, "man") == 0);
5440 		isman_s = (STRCMP(kp, "man -s") == 0);
5441 		if (cap->count0 != 0 && !(isman || isman_s))
5442 		    sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5443 
5444 		STRCAT(buf, "! ");
5445 		if (cap->count0 == 0 && isman_s)
5446 		    STRCAT(buf, "man");
5447 		else
5448 		    STRCAT(buf, kp);
5449 		STRCAT(buf, " ");
5450 		if (cap->count0 != 0 && (isman || isman_s))
5451 		{
5452 		    sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5453 		    STRCAT(buf, " ");
5454 		}
5455 	    }
5456 	    break;
5457 
5458 	case ']':
5459 #ifdef FEAT_CSCOPE
5460 	    if (p_cst)
5461 		STRCPY(buf, "cstag ");
5462 	    else
5463 #endif
5464 		STRCPY(buf, "ts ");
5465 	    break;
5466 
5467 	default:
5468 	    if (curbuf->b_help)
5469 		STRCPY(buf, "he! ");
5470 	    else if (g_cmd)
5471 		STRCPY(buf, "tj ");
5472 	    else
5473 		sprintf((char *)buf, "%ldta ", cap->count0);
5474     }
5475 
5476     /*
5477      * Now grab the chars in the identifier
5478      */
5479     if (cmdchar == '*')
5480 	aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5481     else if (cmdchar == '#')
5482 	aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5483     else if (cmdchar == 'K' && !kp_help)
5484 	aux_ptr = (char_u *)" \t\\\"|!";
5485     else
5486 	/* Don't escape spaces and Tabs in a tag with a backslash */
5487 	aux_ptr = (char_u *)"\\|\"";
5488 
5489     p = buf + STRLEN(buf);
5490     while (n-- > 0)
5491     {
5492 	/* put a backslash before \ and some others */
5493 	if (vim_strchr(aux_ptr, *ptr) != NULL)
5494 	    *p++ = '\\';
5495 #ifdef FEAT_MBYTE
5496 	/* When current byte is a part of multibyte character, copy all bytes
5497 	 * of that character. */
5498 	if (has_mbyte)
5499 	{
5500 	    int i;
5501 	    int len = (*mb_ptr2len)(ptr) - 1;
5502 
5503 	    for (i = 0; i < len && n >= 1; ++i, --n)
5504 		*p++ = *ptr++;
5505 	}
5506 #endif
5507 	*p++ = *ptr++;
5508     }
5509     *p = NUL;
5510 
5511     /*
5512      * Execute the command.
5513      */
5514     if (cmdchar == '*' || cmdchar == '#')
5515     {
5516 	if (!g_cmd && (
5517 #ifdef FEAT_MBYTE
5518 		has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5519 #endif
5520 		vim_iswordc(ptr[-1])))
5521 	    STRCAT(buf, "\\>");
5522 #ifdef FEAT_CMDHIST
5523 	/* put pattern in search history */
5524 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5525 #endif
5526 	normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5527     }
5528     else
5529 	do_cmdline_cmd(buf);
5530 
5531     vim_free(buf);
5532 }
5533 
5534 #if defined(FEAT_VISUAL) || defined(PROTO)
5535 /*
5536  * Get visually selected text, within one line only.
5537  * Returns FAIL if more than one line selected.
5538  */
5539     int
5540 get_visual_text(cap, pp, lenp)
5541     cmdarg_T	*cap;
5542     char_u	**pp;	    /* return: start of selected text */
5543     int		*lenp;	    /* return: length of selected text */
5544 {
5545     if (VIsual_mode != 'V')
5546 	unadjust_for_sel();
5547     if (VIsual.lnum != curwin->w_cursor.lnum)
5548     {
5549 	if (cap != NULL)
5550 	    clearopbeep(cap->oap);
5551 	return FAIL;
5552     }
5553     if (VIsual_mode == 'V')
5554     {
5555 	*pp = ml_get_curline();
5556 	*lenp = (int)STRLEN(*pp);
5557     }
5558     else
5559     {
5560 	if (lt(curwin->w_cursor, VIsual))
5561 	{
5562 	    *pp = ml_get_pos(&curwin->w_cursor);
5563 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
5564 	}
5565 	else
5566 	{
5567 	    *pp = ml_get_pos(&VIsual);
5568 	    *lenp = curwin->w_cursor.col - VIsual.col + 1;
5569 	}
5570 #ifdef FEAT_MBYTE
5571 	if (has_mbyte)
5572 	    /* Correct the length to include the whole last character. */
5573 	    *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5574 #endif
5575     }
5576     reset_VIsual_and_resel();
5577     return OK;
5578 }
5579 #endif
5580 
5581 /*
5582  * CTRL-T: backwards in tag stack
5583  */
5584     static void
5585 nv_tagpop(cap)
5586     cmdarg_T	*cap;
5587 {
5588     if (!checkclearopq(cap->oap))
5589 	do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5590 }
5591 
5592 /*
5593  * Handle scrolling command 'H', 'L' and 'M'.
5594  */
5595     static void
5596 nv_scroll(cap)
5597     cmdarg_T  *cap;
5598 {
5599     int		used = 0;
5600     long	n;
5601 #ifdef FEAT_FOLDING
5602     linenr_T	lnum;
5603 #endif
5604     int		half;
5605 
5606     cap->oap->motion_type = MLINE;
5607     setpcmark();
5608 
5609     if (cap->cmdchar == 'L')
5610     {
5611 	validate_botline();	    /* make sure curwin->w_botline is valid */
5612 	curwin->w_cursor.lnum = curwin->w_botline - 1;
5613 	if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5614 	    curwin->w_cursor.lnum = 1;
5615 	else
5616 	{
5617 #ifdef FEAT_FOLDING
5618 	    if (hasAnyFolding(curwin))
5619 	    {
5620 		/* Count a fold for one screen line. */
5621 		for (n = cap->count1 - 1; n > 0
5622 			    && curwin->w_cursor.lnum > curwin->w_topline; --n)
5623 		{
5624 		    (void)hasFolding(curwin->w_cursor.lnum,
5625 						&curwin->w_cursor.lnum, NULL);
5626 		    --curwin->w_cursor.lnum;
5627 		}
5628 	    }
5629 	    else
5630 #endif
5631 		curwin->w_cursor.lnum -= cap->count1 - 1;
5632 	}
5633     }
5634     else
5635     {
5636 	if (cap->cmdchar == 'M')
5637 	{
5638 #ifdef FEAT_DIFF
5639 	    /* Don't count filler lines above the window. */
5640 	    used -= diff_check_fill(curwin, curwin->w_topline)
5641 							  - curwin->w_topfill;
5642 #endif
5643 	    validate_botline();	    /* make sure w_empty_rows is valid */
5644 	    half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5645 	    for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5646 	    {
5647 #ifdef FEAT_DIFF
5648 		/* Count half he number of filler lines to be "below this
5649 		 * line" and half to be "above the next line". */
5650 		if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5651 							     + n) / 2 >= half)
5652 		{
5653 		    --n;
5654 		    break;
5655 		}
5656 #endif
5657 		used += plines(curwin->w_topline + n);
5658 		if (used >= half)
5659 		    break;
5660 #ifdef FEAT_FOLDING
5661 		if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5662 		    n = lnum - curwin->w_topline;
5663 #endif
5664 	    }
5665 	    if (n > 0 && used > curwin->w_height)
5666 		--n;
5667 	}
5668 	else /* (cap->cmdchar == 'H') */
5669 	{
5670 	    n = cap->count1 - 1;
5671 #ifdef FEAT_FOLDING
5672 	    if (hasAnyFolding(curwin))
5673 	    {
5674 		/* Count a fold for one screen line. */
5675 		lnum = curwin->w_topline;
5676 		while (n-- > 0 && lnum < curwin->w_botline - 1)
5677 		{
5678 		    hasFolding(lnum, NULL, &lnum);
5679 		    ++lnum;
5680 		}
5681 		n = lnum - curwin->w_topline;
5682 	    }
5683 #endif
5684 	}
5685 	curwin->w_cursor.lnum = curwin->w_topline + n;
5686 	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5687 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5688     }
5689 
5690     cursor_correct();	/* correct for 'so' */
5691     beginline(BL_SOL | BL_FIX);
5692 }
5693 
5694 /*
5695  * Cursor right commands.
5696  */
5697     static void
5698 nv_right(cap)
5699     cmdarg_T	*cap;
5700 {
5701     long	n;
5702 #ifdef FEAT_VISUAL
5703     int		PAST_LINE;
5704 #else
5705 # define PAST_LINE 0
5706 #endif
5707 
5708     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5709     {
5710 	/* <C-Right> and <S-Right> move a word or WORD right */
5711 	if (mod_mask & MOD_MASK_CTRL)
5712 	    cap->arg = TRUE;
5713 	nv_wordcmd(cap);
5714 	return;
5715     }
5716 
5717     cap->oap->motion_type = MCHAR;
5718     cap->oap->inclusive = FALSE;
5719 #ifdef FEAT_VISUAL
5720     PAST_LINE = (VIsual_active && *p_sel != 'o');
5721 
5722 # ifdef FEAT_VIRTUALEDIT
5723     /*
5724      * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5725      * (theoretically) infinitely long.
5726      */
5727     if (virtual_active())
5728 	PAST_LINE = 0;
5729 # endif
5730 #endif
5731 
5732     for (n = cap->count1; n > 0; --n)
5733     {
5734 	if ((!PAST_LINE && oneright() == FAIL)
5735 		|| (PAST_LINE && *ml_get_cursor() == NUL))
5736 	{
5737 	    /*
5738 	     *	  <Space> wraps to next line if 'whichwrap' has 's'.
5739 	     *	      'l' wraps to next line if 'whichwrap' has 'l'.
5740 	     * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5741 	     */
5742 	    if (       ((cap->cmdchar == ' '
5743 			    && vim_strchr(p_ww, 's') != NULL)
5744 			|| (cap->cmdchar == 'l'
5745 			    && vim_strchr(p_ww, 'l') != NULL)
5746 			|| (cap->cmdchar == K_RIGHT
5747 			    && vim_strchr(p_ww, '>') != NULL))
5748 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5749 	    {
5750 		/* When deleting we also count the NL as a character.
5751 		 * Set cap->oap->inclusive when last char in the line is
5752 		 * included, move to next line after that */
5753 		if (	   cap->oap->op_type != OP_NOP
5754 			&& !cap->oap->inclusive
5755 			&& !lineempty(curwin->w_cursor.lnum))
5756 		    cap->oap->inclusive = TRUE;
5757 		else
5758 		{
5759 		    ++curwin->w_cursor.lnum;
5760 		    curwin->w_cursor.col = 0;
5761 #ifdef FEAT_VIRTUALEDIT
5762 		    curwin->w_cursor.coladd = 0;
5763 #endif
5764 		    curwin->w_set_curswant = TRUE;
5765 		    cap->oap->inclusive = FALSE;
5766 		}
5767 		continue;
5768 	    }
5769 	    if (cap->oap->op_type == OP_NOP)
5770 	    {
5771 		/* Only beep and flush if not moved at all */
5772 		if (n == cap->count1)
5773 		    beep_flush();
5774 	    }
5775 	    else
5776 	    {
5777 		if (!lineempty(curwin->w_cursor.lnum))
5778 		    cap->oap->inclusive = TRUE;
5779 	    }
5780 	    break;
5781 	}
5782 #ifdef FEAT_VISUAL
5783 	else if (PAST_LINE)
5784 	{
5785 	    curwin->w_set_curswant = TRUE;
5786 # ifdef FEAT_VIRTUALEDIT
5787 	    if (virtual_active())
5788 		oneright();
5789 	    else
5790 # endif
5791 	    {
5792 # ifdef FEAT_MBYTE
5793 		if (has_mbyte)
5794 		    curwin->w_cursor.col +=
5795 					 (*mb_ptr2len)(ml_get_cursor());
5796 		else
5797 # endif
5798 		    ++curwin->w_cursor.col;
5799 	    }
5800 	}
5801 #endif
5802     }
5803 #ifdef FEAT_FOLDING
5804     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5805 					       && cap->oap->op_type == OP_NOP)
5806 	foldOpenCursor();
5807 #endif
5808 }
5809 
5810 /*
5811  * Cursor left commands.
5812  *
5813  * Returns TRUE when operator end should not be adjusted.
5814  */
5815     static void
5816 nv_left(cap)
5817     cmdarg_T	*cap;
5818 {
5819     long	n;
5820 
5821     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5822     {
5823 	/* <C-Left> and <S-Left> move a word or WORD left */
5824 	if (mod_mask & MOD_MASK_CTRL)
5825 	    cap->arg = 1;
5826 	nv_bck_word(cap);
5827 	return;
5828     }
5829 
5830     cap->oap->motion_type = MCHAR;
5831     cap->oap->inclusive = FALSE;
5832     for (n = cap->count1; n > 0; --n)
5833     {
5834 	if (oneleft() == FAIL)
5835 	{
5836 	    /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5837 	     *		 'h' wraps to previous line if 'whichwrap' has 'h'.
5838 	     *	   CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5839 	     */
5840 	    if (       (((cap->cmdchar == K_BS
5841 				|| cap->cmdchar == Ctrl_H)
5842 			    && vim_strchr(p_ww, 'b') != NULL)
5843 			|| (cap->cmdchar == 'h'
5844 			    && vim_strchr(p_ww, 'h') != NULL)
5845 			|| (cap->cmdchar == K_LEFT
5846 			    && vim_strchr(p_ww, '<') != NULL))
5847 		    && curwin->w_cursor.lnum > 1)
5848 	    {
5849 		--(curwin->w_cursor.lnum);
5850 		coladvance((colnr_T)MAXCOL);
5851 		curwin->w_set_curswant = TRUE;
5852 
5853 		/* When the NL before the first char has to be deleted we
5854 		 * put the cursor on the NUL after the previous line.
5855 		 * This is a very special case, be careful!
5856 		 * Don't adjust op_end now, otherwise it won't work. */
5857 		if (	   (cap->oap->op_type == OP_DELETE
5858 			    || cap->oap->op_type == OP_CHANGE)
5859 			&& !lineempty(curwin->w_cursor.lnum))
5860 		{
5861 		    if (*ml_get_cursor() != NUL)
5862 			++curwin->w_cursor.col;
5863 		    cap->retval |= CA_NO_ADJ_OP_END;
5864 		}
5865 		continue;
5866 	    }
5867 	    /* Only beep and flush if not moved at all */
5868 	    else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5869 		beep_flush();
5870 	    break;
5871 	}
5872     }
5873 #ifdef FEAT_FOLDING
5874     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5875 					       && cap->oap->op_type == OP_NOP)
5876 	foldOpenCursor();
5877 #endif
5878 }
5879 
5880 /*
5881  * Cursor up commands.
5882  * cap->arg is TRUE for "-": Move cursor to first non-blank.
5883  */
5884     static void
5885 nv_up(cap)
5886     cmdarg_T	*cap;
5887 {
5888     if (mod_mask & MOD_MASK_SHIFT)
5889     {
5890 	/* <S-Up> is page up */
5891 	cap->arg = BACKWARD;
5892 	nv_page(cap);
5893     }
5894     else
5895     {
5896 	cap->oap->motion_type = MLINE;
5897 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5898 	    clearopbeep(cap->oap);
5899 	else if (cap->arg)
5900 	    beginline(BL_WHITE | BL_FIX);
5901     }
5902 }
5903 
5904 /*
5905  * Cursor down commands.
5906  * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5907  */
5908     static void
5909 nv_down(cap)
5910     cmdarg_T	*cap;
5911 {
5912     if (mod_mask & MOD_MASK_SHIFT)
5913     {
5914 	/* <S-Down> is page down */
5915 	cap->arg = FORWARD;
5916 	nv_page(cap);
5917     }
5918     else
5919 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
5920     /* In a quickfix window a <CR> jumps to the error under the cursor. */
5921     if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
5922 	if (curwin->w_llist_ref == NULL)
5923 	    do_cmdline_cmd((char_u *)".cc");	/* quickfix window */
5924 	else
5925 	    do_cmdline_cmd((char_u *)".ll");	/* location list window */
5926     else
5927 #endif
5928     {
5929 #ifdef FEAT_CMDWIN
5930 	/* In the cmdline window a <CR> executes the command. */
5931 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
5932 	    cmdwin_result = CAR;
5933 	else
5934 #endif
5935 	{
5936 	    cap->oap->motion_type = MLINE;
5937 	    if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5938 		clearopbeep(cap->oap);
5939 	    else if (cap->arg)
5940 		beginline(BL_WHITE | BL_FIX);
5941 	}
5942     }
5943 }
5944 
5945 #ifdef FEAT_SEARCHPATH
5946 /*
5947  * Grab the file name under the cursor and edit it.
5948  */
5949     static void
5950 nv_gotofile(cap)
5951     cmdarg_T	*cap;
5952 {
5953     char_u	*ptr;
5954     linenr_T	lnum = -1;
5955 
5956     if (text_locked())
5957     {
5958 	clearopbeep(cap->oap);
5959 	text_locked_msg();
5960 	return;
5961     }
5962 #ifdef FEAT_AUTOCMD
5963     if (curbuf_locked())
5964     {
5965 	clearop(cap->oap);
5966 	return;
5967     }
5968 #endif
5969 
5970     ptr = grab_file_name(cap->count1, &lnum);
5971 
5972     if (ptr != NULL)
5973     {
5974 	/* do autowrite if necessary */
5975 	if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
5976 	    autowrite(curbuf, FALSE);
5977 	setpcmark();
5978 	(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
5979 					       P_HID(curbuf) ? ECMD_HIDE : 0);
5980 	if (cap->nchar == 'F' && lnum >= 0)
5981 	{
5982 	    curwin->w_cursor.lnum = lnum;
5983 	    check_cursor_lnum();
5984 	    beginline(BL_SOL | BL_FIX);
5985 	}
5986 	vim_free(ptr);
5987     }
5988     else
5989 	clearop(cap->oap);
5990 }
5991 #endif
5992 
5993 /*
5994  * <End> command: to end of current line or last line.
5995  */
5996     static void
5997 nv_end(cap)
5998     cmdarg_T	*cap;
5999 {
6000     if (cap->arg || (mod_mask & MOD_MASK_CTRL))	/* CTRL-END = goto last line */
6001     {
6002 	cap->arg = TRUE;
6003 	nv_goto(cap);
6004 	cap->count1 = 1;		/* to end of current line */
6005     }
6006     nv_dollar(cap);
6007 }
6008 
6009 /*
6010  * Handle the "$" command.
6011  */
6012     static void
6013 nv_dollar(cap)
6014     cmdarg_T	*cap;
6015 {
6016     cap->oap->motion_type = MCHAR;
6017     cap->oap->inclusive = TRUE;
6018 #ifdef FEAT_VIRTUALEDIT
6019     /* In virtual mode when off the edge of a line and an operator
6020      * is pending (whew!) keep the cursor where it is.
6021      * Otherwise, send it to the end of the line. */
6022     if (!virtual_active() || gchar_cursor() != NUL
6023 					       || cap->oap->op_type == OP_NOP)
6024 #endif
6025 	curwin->w_curswant = MAXCOL;	/* so we stay at the end */
6026     if (cursor_down((long)(cap->count1 - 1),
6027 					 cap->oap->op_type == OP_NOP) == FAIL)
6028 	clearopbeep(cap->oap);
6029 #ifdef FEAT_FOLDING
6030     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6031 	foldOpenCursor();
6032 #endif
6033 }
6034 
6035 /*
6036  * Implementation of '?' and '/' commands.
6037  * If cap->arg is TRUE don't set PC mark.
6038  */
6039     static void
6040 nv_search(cap)
6041     cmdarg_T	    *cap;
6042 {
6043     oparg_T	*oap = cap->oap;
6044 
6045     if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6046     {
6047 	/* Translate "g??" to "g?g?" */
6048 	cap->cmdchar = 'g';
6049 	cap->nchar = '?';
6050 	nv_operator(cap);
6051 	return;
6052     }
6053 
6054     cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6055 
6056     if (cap->searchbuf == NULL)
6057     {
6058 	clearop(oap);
6059 	return;
6060     }
6061 
6062     normal_search(cap, cap->cmdchar, cap->searchbuf,
6063 						(cap->arg ? 0 : SEARCH_MARK));
6064 }
6065 
6066 /*
6067  * Handle "N" and "n" commands.
6068  * cap->arg is SEARCH_REV for "N", 0 for "n".
6069  */
6070     static void
6071 nv_next(cap)
6072     cmdarg_T	*cap;
6073 {
6074     normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6075 }
6076 
6077 /*
6078  * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6079  * Uses only cap->count1 and cap->oap from "cap".
6080  */
6081     static void
6082 normal_search(cap, dir, pat, opt)
6083     cmdarg_T	*cap;
6084     int		dir;
6085     char_u	*pat;
6086     int		opt;		/* extra flags for do_search() */
6087 {
6088     int		i;
6089 
6090     cap->oap->motion_type = MCHAR;
6091     cap->oap->inclusive = FALSE;
6092     cap->oap->use_reg_one = TRUE;
6093     curwin->w_set_curswant = TRUE;
6094 
6095     i = do_search(cap->oap, dir, pat, cap->count1,
6096 			   opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
6097     if (i == 0)
6098 	clearop(cap->oap);
6099     else
6100     {
6101 	if (i == 2)
6102 	    cap->oap->motion_type = MLINE;
6103 #ifdef FEAT_VIRTUALEDIT
6104 	curwin->w_cursor.coladd = 0;
6105 #endif
6106 #ifdef FEAT_FOLDING
6107 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6108 	    foldOpenCursor();
6109 #endif
6110     }
6111 
6112     /* "/$" will put the cursor after the end of the line, may need to
6113      * correct that here */
6114     check_cursor();
6115 }
6116 
6117 /*
6118  * Character search commands.
6119  * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6120  * ',' and FALSE for ';'.
6121  * cap->nchar is NUL for ',' and ';' (repeat the search)
6122  */
6123     static void
6124 nv_csearch(cap)
6125     cmdarg_T	*cap;
6126 {
6127     int		t_cmd;
6128 
6129     if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6130 	t_cmd = TRUE;
6131     else
6132 	t_cmd = FALSE;
6133 
6134     cap->oap->motion_type = MCHAR;
6135     if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6136 	clearopbeep(cap->oap);
6137     else
6138     {
6139 	curwin->w_set_curswant = TRUE;
6140 #ifdef FEAT_VIRTUALEDIT
6141 	/* Include a Tab for "tx" and for "dfx". */
6142 	if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6143 		&& (t_cmd || cap->oap->op_type != OP_NOP))
6144 	{
6145 	    colnr_T	scol, ecol;
6146 
6147 	    getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6148 	    curwin->w_cursor.coladd = ecol - scol;
6149 	}
6150 	else
6151 	    curwin->w_cursor.coladd = 0;
6152 #endif
6153 #ifdef FEAT_VISUAL
6154 	adjust_for_sel(cap);
6155 #endif
6156 #ifdef FEAT_FOLDING
6157 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6158 	    foldOpenCursor();
6159 #endif
6160     }
6161 }
6162 
6163 /*
6164  * "[" and "]" commands.
6165  * cap->arg is BACKWARD for "[" and FORWARD for "]".
6166  */
6167     static void
6168 nv_brackets(cap)
6169     cmdarg_T	*cap;
6170 {
6171     pos_T	new_pos;
6172     pos_T	prev_pos;
6173     pos_T	*pos = NULL;	    /* init for GCC */
6174     pos_T	old_pos;	    /* cursor position before command */
6175     int		flag;
6176     long	n;
6177     int		findc;
6178     int		c;
6179 
6180     cap->oap->motion_type = MCHAR;
6181     cap->oap->inclusive = FALSE;
6182     old_pos = curwin->w_cursor;
6183 #ifdef FEAT_VIRTUALEDIT
6184     curwin->w_cursor.coladd = 0;	    /* TODO: don't do this for an error. */
6185 #endif
6186 
6187 #ifdef FEAT_SEARCHPATH
6188     /*
6189      * "[f" or "]f" : Edit file under the cursor (same as "gf")
6190      */
6191     if (cap->nchar == 'f')
6192 	nv_gotofile(cap);
6193     else
6194 #endif
6195 
6196 #ifdef FEAT_FIND_ID
6197     /*
6198      * Find the occurrence(s) of the identifier or define under cursor
6199      * in current and included files or jump to the first occurrence.
6200      *
6201      *			search	     list	    jump
6202      *		      fwd   bwd    fwd	 bwd	 fwd	bwd
6203      * identifier     "]i"  "[i"   "]I"  "[I"	"]^I"  "[^I"
6204      * define	      "]d"  "[d"   "]D"  "[D"	"]^D"  "[^D"
6205      */
6206     if (vim_strchr((char_u *)
6207 #ifdef EBCDIC
6208 		"iI\005dD\067",
6209 #else
6210 		"iI\011dD\004",
6211 #endif
6212 		cap->nchar) != NULL)
6213     {
6214 	char_u	*ptr;
6215 	int	len;
6216 
6217 	if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6218 	    clearop(cap->oap);
6219 	else
6220 	{
6221 	    find_pattern_in_path(ptr, 0, len, TRUE,
6222 		cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6223 		((cap->nchar & 0xf) == ('d' & 0xf)) ?  FIND_DEFINE : FIND_ANY,
6224 		cap->count1,
6225 		isupper(cap->nchar) ? ACTION_SHOW_ALL :
6226 			    islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6227 		cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6228 		(linenr_T)MAXLNUM);
6229 	    curwin->w_set_curswant = TRUE;
6230 	}
6231     }
6232     else
6233 #endif
6234 
6235     /*
6236      * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6237      * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6238      * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6239      * "[m" or "]m" search for prev/next start of (Java) method.
6240      * "[M" or "]M" search for prev/next end of (Java) method.
6241      */
6242     if (  (cap->cmdchar == '['
6243 		&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6244 	    || (cap->cmdchar == ']'
6245 		&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6246     {
6247 	if (cap->nchar == '*')
6248 	    cap->nchar = '/';
6249 	new_pos.lnum = 0;
6250 	prev_pos.lnum = 0;
6251 	if (cap->nchar == 'm' || cap->nchar == 'M')
6252 	{
6253 	    if (cap->cmdchar == '[')
6254 		findc = '{';
6255 	    else
6256 		findc = '}';
6257 	    n = 9999;
6258 	}
6259 	else
6260 	{
6261 	    findc = cap->nchar;
6262 	    n = cap->count1;
6263 	}
6264 	for ( ; n > 0; --n)
6265 	{
6266 	    if ((pos = findmatchlimit(cap->oap, findc,
6267 		(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6268 	    {
6269 		if (new_pos.lnum == 0)	/* nothing found */
6270 		{
6271 		    if (cap->nchar != 'm' && cap->nchar != 'M')
6272 			clearopbeep(cap->oap);
6273 		}
6274 		else
6275 		    pos = &new_pos;	/* use last one found */
6276 		break;
6277 	    }
6278 	    prev_pos = new_pos;
6279 	    curwin->w_cursor = *pos;
6280 	    new_pos = *pos;
6281 	}
6282 	curwin->w_cursor = old_pos;
6283 
6284 	/*
6285 	 * Handle "[m", "]m", "[M" and "[M".  The findmatchlimit() only
6286 	 * brought us to the match for "[m" and "]M" when inside a method.
6287 	 * Try finding the '{' or '}' we want to be at.
6288 	 * Also repeat for the given count.
6289 	 */
6290 	if (cap->nchar == 'm' || cap->nchar == 'M')
6291 	{
6292 	    /* norm is TRUE for "]M" and "[m" */
6293 	    int	    norm = ((findc == '{') == (cap->nchar == 'm'));
6294 
6295 	    n = cap->count1;
6296 	    /* found a match: we were inside a method */
6297 	    if (prev_pos.lnum != 0)
6298 	    {
6299 		pos = &prev_pos;
6300 		curwin->w_cursor = prev_pos;
6301 		if (norm)
6302 		    --n;
6303 	    }
6304 	    else
6305 		pos = NULL;
6306 	    while (n > 0)
6307 	    {
6308 		for (;;)
6309 		{
6310 		    if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6311 		    {
6312 			/* if not found anything, that's an error */
6313 			if (pos == NULL)
6314 			    clearopbeep(cap->oap);
6315 			n = 0;
6316 			break;
6317 		    }
6318 		    c = gchar_cursor();
6319 		    if (c == '{' || c == '}')
6320 		    {
6321 			/* Must have found end/start of class: use it.
6322 			 * Or found the place to be at. */
6323 			if ((c == findc && norm) || (n == 1 && !norm))
6324 			{
6325 			    new_pos = curwin->w_cursor;
6326 			    pos = &new_pos;
6327 			    n = 0;
6328 			}
6329 			/* if no match found at all, we started outside of the
6330 			 * class and we're inside now.  Just go on. */
6331 			else if (new_pos.lnum == 0)
6332 			{
6333 			    new_pos = curwin->w_cursor;
6334 			    pos = &new_pos;
6335 			}
6336 			/* found start/end of other method: go to match */
6337 			else if ((pos = findmatchlimit(cap->oap, findc,
6338 			    (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6339 								  0)) == NULL)
6340 			    n = 0;
6341 			else
6342 			    curwin->w_cursor = *pos;
6343 			break;
6344 		    }
6345 		}
6346 		--n;
6347 	    }
6348 	    curwin->w_cursor = old_pos;
6349 	    if (pos == NULL && new_pos.lnum != 0)
6350 		clearopbeep(cap->oap);
6351 	}
6352 	if (pos != NULL)
6353 	{
6354 	    setpcmark();
6355 	    curwin->w_cursor = *pos;
6356 	    curwin->w_set_curswant = TRUE;
6357 #ifdef FEAT_FOLDING
6358 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped
6359 					       && cap->oap->op_type == OP_NOP)
6360 		foldOpenCursor();
6361 #endif
6362 	}
6363     }
6364 
6365     /*
6366      * "[[", "[]", "]]" and "][": move to start or end of function
6367      */
6368     else if (cap->nchar == '[' || cap->nchar == ']')
6369     {
6370 	if (cap->nchar == cap->cmdchar)		    /* "]]" or "[[" */
6371 	    flag = '{';
6372 	else
6373 	    flag = '}';		    /* "][" or "[]" */
6374 
6375 	curwin->w_set_curswant = TRUE;
6376 	/*
6377 	 * Imitate strange Vi behaviour: When using "]]" with an operator
6378 	 * we also stop at '}'.
6379 	 */
6380 	if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6381 	      (cap->oap->op_type != OP_NOP
6382 				      && cap->arg == FORWARD && flag == '{')))
6383 	    clearopbeep(cap->oap);
6384 	else
6385 	{
6386 	    if (cap->oap->op_type == OP_NOP)
6387 		beginline(BL_WHITE | BL_FIX);
6388 #ifdef FEAT_FOLDING
6389 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6390 		foldOpenCursor();
6391 #endif
6392 	}
6393     }
6394 
6395     /*
6396      * "[p", "[P", "]P" and "]p": put with indent adjustment
6397      */
6398     else if (cap->nchar == 'p' || cap->nchar == 'P')
6399     {
6400 	if (!checkclearop(cap->oap))
6401 	{
6402 	    prep_redo_cmd(cap);
6403 	    do_put(cap->oap->regname,
6404 	      (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6405 						  cap->count1, PUT_FIXINDENT);
6406 	}
6407     }
6408 
6409     /*
6410      * "['", "[`", "]'" and "]`": jump to next mark
6411      */
6412     else if (cap->nchar == '\'' || cap->nchar == '`')
6413     {
6414 	pos = &curwin->w_cursor;
6415 	for (n = cap->count1; n > 0; --n)
6416 	{
6417 	    prev_pos = *pos;
6418 	    pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6419 							  cap->nchar == '\'');
6420 	    if (pos == NULL)
6421 		break;
6422 	}
6423 	if (pos == NULL)
6424 	    pos = &prev_pos;
6425 	nv_cursormark(cap, cap->nchar == '\'', pos);
6426     }
6427 
6428 #ifdef FEAT_MOUSE
6429     /*
6430      * [ or ] followed by a middle mouse click: put selected text with
6431      * indent adjustment.  Any other button just does as usual.
6432      */
6433     else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
6434     {
6435 	(void)do_mouse(cap->oap, cap->nchar,
6436 		       (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6437 		       cap->count1, PUT_FIXINDENT);
6438     }
6439 #endif /* FEAT_MOUSE */
6440 
6441 #ifdef FEAT_FOLDING
6442     /*
6443      * "[z" and "]z": move to start or end of open fold.
6444      */
6445     else if (cap->nchar == 'z')
6446     {
6447 	if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6448 							 cap->count1) == FAIL)
6449 	    clearopbeep(cap->oap);
6450     }
6451 #endif
6452 
6453 #ifdef FEAT_DIFF
6454     /*
6455      * "[c" and "]c": move to next or previous diff-change.
6456      */
6457     else if (cap->nchar == 'c')
6458     {
6459 	if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6460 							 cap->count1) == FAIL)
6461 	    clearopbeep(cap->oap);
6462     }
6463 #endif
6464 
6465 #ifdef FEAT_SPELL
6466     /*
6467      * "[s", "[S", "]s" and "]S": move to next spell error.
6468      */
6469     else if (cap->nchar == 's' || cap->nchar == 'S')
6470     {
6471 	setpcmark();
6472 	for (n = 0; n < cap->count1; ++n)
6473 	    if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6474 			  cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6475 	    {
6476 		clearopbeep(cap->oap);
6477 		break;
6478 	    }
6479 # ifdef FEAT_FOLDING
6480 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6481 	    foldOpenCursor();
6482 # endif
6483     }
6484 #endif
6485 
6486     /* Not a valid cap->nchar. */
6487     else
6488 	clearopbeep(cap->oap);
6489 }
6490 
6491 /*
6492  * Handle Normal mode "%" command.
6493  */
6494     static void
6495 nv_percent(cap)
6496     cmdarg_T	*cap;
6497 {
6498     pos_T	*pos;
6499 #ifdef FEAT_FOLDING
6500     linenr_T	lnum = curwin->w_cursor.lnum;
6501 #endif
6502 
6503     cap->oap->inclusive = TRUE;
6504     if (cap->count0)	    /* {cnt}% : goto {cnt} percentage in file */
6505     {
6506 	if (cap->count0 > 100)
6507 	    clearopbeep(cap->oap);
6508 	else
6509 	{
6510 	    cap->oap->motion_type = MLINE;
6511 	    setpcmark();
6512 	    /* Round up, so CTRL-G will give same value.  Watch out for a
6513 	     * large line count, the line number must not go negative! */
6514 	    if (curbuf->b_ml.ml_line_count > 1000000)
6515 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6516 							 / 100L * cap->count0;
6517 	    else
6518 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6519 						    cap->count0 + 99L) / 100L;
6520 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6521 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6522 	    beginline(BL_SOL | BL_FIX);
6523 	}
6524     }
6525     else		    /* "%" : go to matching paren */
6526     {
6527 	cap->oap->motion_type = MCHAR;
6528 	cap->oap->use_reg_one = TRUE;
6529 	if ((pos = findmatch(cap->oap, NUL)) == NULL)
6530 	    clearopbeep(cap->oap);
6531 	else
6532 	{
6533 	    setpcmark();
6534 	    curwin->w_cursor = *pos;
6535 	    curwin->w_set_curswant = TRUE;
6536 #ifdef FEAT_VIRTUALEDIT
6537 	    curwin->w_cursor.coladd = 0;
6538 #endif
6539 #ifdef FEAT_VISUAL
6540 	    adjust_for_sel(cap);
6541 #endif
6542 	}
6543     }
6544 #ifdef FEAT_FOLDING
6545     if (cap->oap->op_type == OP_NOP
6546 	    && lnum != curwin->w_cursor.lnum
6547 	    && (fdo_flags & FDO_PERCENT)
6548 	    && KeyTyped)
6549 	foldOpenCursor();
6550 #endif
6551 }
6552 
6553 /*
6554  * Handle "(" and ")" commands.
6555  * cap->arg is BACKWARD for "(" and FORWARD for ")".
6556  */
6557     static void
6558 nv_brace(cap)
6559     cmdarg_T	*cap;
6560 {
6561     cap->oap->motion_type = MCHAR;
6562     cap->oap->use_reg_one = TRUE;
6563     /* The motion used to be inclusive for "(", but that is not what Vi does. */
6564     cap->oap->inclusive = FALSE;
6565     curwin->w_set_curswant = TRUE;
6566 
6567     if (findsent(cap->arg, cap->count1) == FAIL)
6568 	clearopbeep(cap->oap);
6569     else
6570     {
6571 	/* Don't leave the cursor on the NUL past end of line. */
6572 	adjust_cursor(cap->oap);
6573 #ifdef FEAT_VIRTUALEDIT
6574 	curwin->w_cursor.coladd = 0;
6575 #endif
6576 #ifdef FEAT_FOLDING
6577 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6578 	    foldOpenCursor();
6579 #endif
6580     }
6581 }
6582 
6583 /*
6584  * "m" command: Mark a position.
6585  */
6586     static void
6587 nv_mark(cap)
6588     cmdarg_T	*cap;
6589 {
6590     if (!checkclearop(cap->oap))
6591     {
6592 	if (setmark(cap->nchar) == FAIL)
6593 	    clearopbeep(cap->oap);
6594     }
6595 }
6596 
6597 /*
6598  * "{" and "}" commands.
6599  * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6600  */
6601     static void
6602 nv_findpar(cap)
6603     cmdarg_T	*cap;
6604 {
6605     cap->oap->motion_type = MCHAR;
6606     cap->oap->inclusive = FALSE;
6607     cap->oap->use_reg_one = TRUE;
6608     curwin->w_set_curswant = TRUE;
6609     if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6610 	clearopbeep(cap->oap);
6611     else
6612     {
6613 #ifdef FEAT_VIRTUALEDIT
6614 	curwin->w_cursor.coladd = 0;
6615 #endif
6616 #ifdef FEAT_FOLDING
6617 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6618 	    foldOpenCursor();
6619 #endif
6620     }
6621 }
6622 
6623 /*
6624  * "u" command: Undo or make lower case.
6625  */
6626     static void
6627 nv_undo(cap)
6628     cmdarg_T	*cap;
6629 {
6630     if (cap->oap->op_type == OP_LOWER
6631 #ifdef FEAT_VISUAL
6632 	    || VIsual_active
6633 #endif
6634 	    )
6635     {
6636 	/* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6637 	cap->cmdchar = 'g';
6638 	cap->nchar = 'u';
6639 	nv_operator(cap);
6640     }
6641     else
6642 	nv_kundo(cap);
6643 }
6644 
6645 /*
6646  * <Undo> command.
6647  */
6648     static void
6649 nv_kundo(cap)
6650     cmdarg_T	*cap;
6651 {
6652     if (!checkclearopq(cap->oap))
6653     {
6654 	u_undo((int)cap->count1);
6655 	curwin->w_set_curswant = TRUE;
6656     }
6657 }
6658 
6659 /*
6660  * Handle the "r" command.
6661  */
6662     static void
6663 nv_replace(cap)
6664     cmdarg_T	*cap;
6665 {
6666     char_u	*ptr;
6667     int		had_ctrl_v;
6668     long	n;
6669 
6670     if (checkclearop(cap->oap))
6671 	return;
6672 
6673     /* get another character */
6674     if (cap->nchar == Ctrl_V)
6675     {
6676 	had_ctrl_v = Ctrl_V;
6677 	cap->nchar = get_literal();
6678 	/* Don't redo a multibyte character with CTRL-V. */
6679 	if (cap->nchar > DEL)
6680 	    had_ctrl_v = NUL;
6681     }
6682     else
6683 	had_ctrl_v = NUL;
6684 
6685     /* Abort if the character is a special key. */
6686     if (IS_SPECIAL(cap->nchar))
6687     {
6688 	clearopbeep(cap->oap);
6689 	return;
6690     }
6691 
6692 #ifdef FEAT_VISUAL
6693     /* Visual mode "r" */
6694     if (VIsual_active)
6695     {
6696 	nv_operator(cap);
6697 	return;
6698     }
6699 #endif
6700 
6701 #ifdef FEAT_VIRTUALEDIT
6702     /* Break tabs, etc. */
6703     if (virtual_active())
6704     {
6705 	if (u_save_cursor() == FAIL)
6706 	    return;
6707 	if (gchar_cursor() == NUL)
6708 	{
6709 	    /* Add extra space and put the cursor on the first one. */
6710 	    coladvance_force((colnr_T)(getviscol() + cap->count1));
6711 	    curwin->w_cursor.col -= cap->count1;
6712 	}
6713 	else if (gchar_cursor() == TAB)
6714 	    coladvance_force(getviscol());
6715     }
6716 #endif
6717 
6718     /* Abort if not enough characters to replace. */
6719     ptr = ml_get_cursor();
6720     if (STRLEN(ptr) < (unsigned)cap->count1
6721 #ifdef FEAT_MBYTE
6722 	    || (has_mbyte && mb_charlen(ptr) < cap->count1)
6723 #endif
6724 	    )
6725     {
6726 	clearopbeep(cap->oap);
6727 	return;
6728     }
6729 
6730     /*
6731      * Replacing with a TAB is done by edit() when it is complicated because
6732      * 'expandtab' or 'smarttab' is set.  CTRL-V TAB inserts a literal TAB.
6733      * Other characters are done below to avoid problems with things like
6734      * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6735      */
6736     if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6737     {
6738 	stuffnumReadbuff(cap->count1);
6739 	stuffcharReadbuff('R');
6740 	stuffcharReadbuff('\t');
6741 	stuffcharReadbuff(ESC);
6742 	return;
6743     }
6744 
6745     /* save line for undo */
6746     if (u_save_cursor() == FAIL)
6747 	return;
6748 
6749     if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6750     {
6751 	/*
6752 	 * Replace character(s) by a single newline.
6753 	 * Strange vi behaviour: Only one newline is inserted.
6754 	 * Delete the characters here.
6755 	 * Insert the newline with an insert command, takes care of
6756 	 * autoindent.	The insert command depends on being on the last
6757 	 * character of a line or not.
6758 	 */
6759 #ifdef FEAT_MBYTE
6760 	(void)del_chars(cap->count1, FALSE);	/* delete the characters */
6761 #else
6762 	(void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6763 #endif
6764 	stuffcharReadbuff('\r');
6765 	stuffcharReadbuff(ESC);
6766 
6767 	/* Give 'r' to edit(), to get the redo command right. */
6768 	invoke_edit(cap, TRUE, 'r', FALSE);
6769     }
6770     else
6771     {
6772 	prep_redo(cap->oap->regname, cap->count1,
6773 				       NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6774 
6775 	curbuf->b_op_start = curwin->w_cursor;
6776 #ifdef FEAT_MBYTE
6777 	if (has_mbyte)
6778 	{
6779 	    int		old_State = State;
6780 
6781 	    if (cap->ncharC1 != 0)
6782 		AppendCharToRedobuff(cap->ncharC1);
6783 	    if (cap->ncharC2 != 0)
6784 		AppendCharToRedobuff(cap->ncharC2);
6785 
6786 	    /* This is slow, but it handles replacing a single-byte with a
6787 	     * multi-byte and the other way around.  Also handles adding
6788 	     * composing characters for utf-8. */
6789 	    for (n = cap->count1; n > 0; --n)
6790 	    {
6791 		State = REPLACE;
6792 		ins_char(cap->nchar);
6793 		State = old_State;
6794 		if (cap->ncharC1 != 0)
6795 		    ins_char(cap->ncharC1);
6796 		if (cap->ncharC2 != 0)
6797 		    ins_char(cap->ncharC2);
6798 	    }
6799 	}
6800 	else
6801 #endif
6802 	{
6803 	    /*
6804 	     * Replace the characters within one line.
6805 	     */
6806 	    for (n = cap->count1; n > 0; --n)
6807 	    {
6808 		/*
6809 		 * Get ptr again, because u_save and/or showmatch() will have
6810 		 * released the line.  At the same time we let know that the
6811 		 * line will be changed.
6812 		 */
6813 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6814 		ptr[curwin->w_cursor.col] = cap->nchar;
6815 		if (p_sm && msg_silent == 0)
6816 		    showmatch(cap->nchar);
6817 		++curwin->w_cursor.col;
6818 	    }
6819 #ifdef FEAT_NETBEANS_INTG
6820 	    if (usingNetbeans)
6821 	    {
6822 		colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6823 
6824 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
6825 							    (long)cap->count1);
6826 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6827 					       &ptr[start], (int)cap->count1);
6828 	    }
6829 #endif
6830 
6831 	    /* mark the buffer as changed and prepare for displaying */
6832 	    changed_bytes(curwin->w_cursor.lnum,
6833 			       (colnr_T)(curwin->w_cursor.col - cap->count1));
6834 	}
6835 	--curwin->w_cursor.col;	    /* cursor on the last replaced char */
6836 #ifdef FEAT_MBYTE
6837 	/* if the character on the left of the current cursor is a multi-byte
6838 	 * character, move two characters left */
6839 	if (has_mbyte)
6840 	    mb_adjust_cursor();
6841 #endif
6842 	curbuf->b_op_end = curwin->w_cursor;
6843 	curwin->w_set_curswant = TRUE;
6844 	set_last_insert(cap->nchar);
6845     }
6846 }
6847 
6848 #ifdef FEAT_VISUAL
6849 /*
6850  * 'o': Exchange start and end of Visual area.
6851  * 'O': same, but in block mode exchange left and right corners.
6852  */
6853     static void
6854 v_swap_corners(cmdchar)
6855     int		cmdchar;
6856 {
6857     pos_T	old_cursor;
6858     colnr_T	left, right;
6859 
6860     if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6861     {
6862 	old_cursor = curwin->w_cursor;
6863 	getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6864 	curwin->w_cursor.lnum = VIsual.lnum;
6865 	coladvance(left);
6866 	VIsual = curwin->w_cursor;
6867 
6868 	curwin->w_cursor.lnum = old_cursor.lnum;
6869 	curwin->w_curswant = right;
6870 	/* 'selection "exclusive" and cursor at right-bottom corner: move it
6871 	 * right one column */
6872 	if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6873 	    ++curwin->w_curswant;
6874 	coladvance(curwin->w_curswant);
6875 	if (curwin->w_cursor.col == old_cursor.col
6876 #ifdef FEAT_VIRTUALEDIT
6877 		&& (!virtual_active()
6878 		    || curwin->w_cursor.coladd == old_cursor.coladd)
6879 #endif
6880 		)
6881 	{
6882 	    curwin->w_cursor.lnum = VIsual.lnum;
6883 	    if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6884 		++right;
6885 	    coladvance(right);
6886 	    VIsual = curwin->w_cursor;
6887 
6888 	    curwin->w_cursor.lnum = old_cursor.lnum;
6889 	    coladvance(left);
6890 	    curwin->w_curswant = left;
6891 	}
6892     }
6893     else
6894     {
6895 	old_cursor = curwin->w_cursor;
6896 	curwin->w_cursor = VIsual;
6897 	VIsual = old_cursor;
6898 	curwin->w_set_curswant = TRUE;
6899     }
6900 }
6901 #endif /* FEAT_VISUAL */
6902 
6903 /*
6904  * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6905  */
6906     static void
6907 nv_Replace(cap)
6908     cmdarg_T	    *cap;
6909 {
6910 #ifdef FEAT_VISUAL
6911     if (VIsual_active)		/* "R" is replace lines */
6912     {
6913 	cap->cmdchar = 'c';
6914 	cap->nchar = NUL;
6915 	VIsual_mode = 'V';
6916 	nv_operator(cap);
6917     }
6918     else
6919 #endif
6920 	if (!checkclearopq(cap->oap))
6921     {
6922 	if (!curbuf->b_p_ma)
6923 	    EMSG(_(e_modifiable));
6924 	else
6925 	{
6926 #ifdef FEAT_VIRTUALEDIT
6927 	    if (virtual_active())
6928 		coladvance(getviscol());
6929 #endif
6930 	    invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
6931 	}
6932     }
6933 }
6934 
6935 #ifdef FEAT_VREPLACE
6936 /*
6937  * "gr".
6938  */
6939     static void
6940 nv_vreplace(cap)
6941     cmdarg_T	*cap;
6942 {
6943 # ifdef FEAT_VISUAL
6944     if (VIsual_active)
6945     {
6946 	cap->cmdchar = 'r';
6947 	cap->nchar = cap->extra_char;
6948 	nv_replace(cap);	/* Do same as "r" in Visual mode for now */
6949     }
6950     else
6951 # endif
6952 	if (!checkclearopq(cap->oap))
6953     {
6954 	if (!curbuf->b_p_ma)
6955 	    EMSG(_(e_modifiable));
6956 	else
6957 	{
6958 	    if (cap->extra_char == Ctrl_V)	/* get another character */
6959 		cap->extra_char = get_literal();
6960 	    stuffcharReadbuff(cap->extra_char);
6961 	    stuffcharReadbuff(ESC);
6962 # ifdef FEAT_VIRTUALEDIT
6963 	    if (virtual_active())
6964 		coladvance(getviscol());
6965 # endif
6966 	    invoke_edit(cap, TRUE, 'v', FALSE);
6967 	}
6968     }
6969 }
6970 #endif
6971 
6972 /*
6973  * Swap case for "~" command, when it does not work like an operator.
6974  */
6975     static void
6976 n_swapchar(cap)
6977     cmdarg_T	*cap;
6978 {
6979     long	n;
6980     pos_T	startpos;
6981     int		did_change = 0;
6982 #ifdef FEAT_NETBEANS_INTG
6983     pos_T	pos;
6984     char_u	*ptr;
6985     int		count;
6986 #endif
6987 
6988     if (checkclearopq(cap->oap))
6989 	return;
6990 
6991     if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
6992     {
6993 	clearopbeep(cap->oap);
6994 	return;
6995     }
6996 
6997     prep_redo_cmd(cap);
6998 
6999     if (u_save_cursor() == FAIL)
7000 	return;
7001 
7002     startpos = curwin->w_cursor;
7003 #ifdef FEAT_NETBEANS_INTG
7004     pos = startpos;
7005 #endif
7006     for (n = cap->count1; n > 0; --n)
7007     {
7008 	did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
7009 	inc_cursor();
7010 	if (gchar_cursor() == NUL)
7011 	{
7012 	    if (vim_strchr(p_ww, '~') != NULL
7013 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
7014 	    {
7015 #ifdef FEAT_NETBEANS_INTG
7016 		if (usingNetbeans)
7017 		{
7018 		    if (did_change)
7019 		    {
7020 			ptr = ml_get(pos.lnum);
7021 			count = (int)STRLEN(ptr) - pos.col;
7022 			netbeans_removed(curbuf, pos.lnum, pos.col,
7023 								 (long)count);
7024 			netbeans_inserted(curbuf, pos.lnum, pos.col,
7025 							&ptr[pos.col], count);
7026 		    }
7027 		    pos.col = 0;
7028 		    pos.lnum++;
7029 		}
7030 #endif
7031 		++curwin->w_cursor.lnum;
7032 		curwin->w_cursor.col = 0;
7033 		if (n > 1)
7034 		{
7035 		    if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7036 			break;
7037 		    u_clearline();
7038 		}
7039 	    }
7040 	    else
7041 		break;
7042 	}
7043     }
7044 #ifdef FEAT_NETBEANS_INTG
7045     if (did_change && usingNetbeans)
7046     {
7047 	ptr = ml_get(pos.lnum);
7048 	count = curwin->w_cursor.col - pos.col;
7049 	netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7050 	netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7051     }
7052 #endif
7053 
7054 
7055     check_cursor();
7056     curwin->w_set_curswant = TRUE;
7057     if (did_change)
7058     {
7059 	changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7060 									  0L);
7061 	curbuf->b_op_start = startpos;
7062 	curbuf->b_op_end = curwin->w_cursor;
7063 	if (curbuf->b_op_end.col > 0)
7064 	    --curbuf->b_op_end.col;
7065     }
7066 }
7067 
7068 /*
7069  * Move cursor to mark.
7070  */
7071     static void
7072 nv_cursormark(cap, flag, pos)
7073     cmdarg_T	*cap;
7074     int		flag;
7075     pos_T	*pos;
7076 {
7077     if (check_mark(pos) == FAIL)
7078 	clearop(cap->oap);
7079     else
7080     {
7081 	if (cap->cmdchar == '\''
7082 		|| cap->cmdchar == '`'
7083 		|| cap->cmdchar == '['
7084 		|| cap->cmdchar == ']')
7085 	    setpcmark();
7086 	curwin->w_cursor = *pos;
7087 	if (flag)
7088 	    beginline(BL_WHITE | BL_FIX);
7089 	else
7090 	    check_cursor();
7091     }
7092     cap->oap->motion_type = flag ? MLINE : MCHAR;
7093     if (cap->cmdchar == '`')
7094 	cap->oap->use_reg_one = TRUE;
7095     cap->oap->inclusive = FALSE;		/* ignored if not MCHAR */
7096     curwin->w_set_curswant = TRUE;
7097 }
7098 
7099 #ifdef FEAT_VISUAL
7100 /*
7101  * Handle commands that are operators in Visual mode.
7102  */
7103     static void
7104 v_visop(cap)
7105     cmdarg_T	*cap;
7106 {
7107     static char_u trans[] = "YyDdCcxdXdAAIIrr";
7108 
7109     /* Uppercase means linewise, except in block mode, then "D" deletes till
7110      * the end of the line, and "C" replaces til EOL */
7111     if (isupper(cap->cmdchar))
7112     {
7113 	if (VIsual_mode != Ctrl_V)
7114 	    VIsual_mode = 'V';
7115 	else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7116 	    curwin->w_curswant = MAXCOL;
7117     }
7118     cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7119     nv_operator(cap);
7120 }
7121 #endif
7122 
7123 /*
7124  * "s" and "S" commands.
7125  */
7126     static void
7127 nv_subst(cap)
7128     cmdarg_T	*cap;
7129 {
7130 #ifdef FEAT_VISUAL
7131     if (VIsual_active)	/* "vs" and "vS" are the same as "vc" */
7132     {
7133 	if (cap->cmdchar == 'S')
7134 	    VIsual_mode = 'V';
7135 	cap->cmdchar = 'c';
7136 	nv_operator(cap);
7137     }
7138     else
7139 #endif
7140 	nv_optrans(cap);
7141 }
7142 
7143 /*
7144  * Abbreviated commands.
7145  */
7146     static void
7147 nv_abbrev(cap)
7148     cmdarg_T	*cap;
7149 {
7150     if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7151 	cap->cmdchar = 'x';		/* DEL key behaves like 'x' */
7152 
7153 #ifdef FEAT_VISUAL
7154     /* in Visual mode these commands are operators */
7155     if (VIsual_active)
7156 	v_visop(cap);
7157     else
7158 #endif
7159 	nv_optrans(cap);
7160 }
7161 
7162 /*
7163  * Translate a command into another command.
7164  */
7165     static void
7166 nv_optrans(cap)
7167     cmdarg_T	*cap;
7168 {
7169     static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7170 			      (char_u *)"d$", (char_u *)"c$",
7171 			      (char_u *)"cl", (char_u *)"cc",
7172 			      (char_u *)"yy", (char_u *)":s\r"};
7173     static char_u *str = (char_u *)"xXDCsSY&";
7174 
7175     if (!checkclearopq(cap->oap))
7176     {
7177 	/* In Vi "2D" doesn't delete the next line.  Can't translate it
7178 	 * either, because "2." should also not use the count. */
7179 	if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7180 	{
7181 	    cap->oap->start = curwin->w_cursor;
7182 	    cap->oap->op_type = OP_DELETE;
7183 #ifdef FEAT_EVAL
7184 	    set_op_var(OP_DELETE);
7185 #endif
7186 	    cap->count1 = 1;
7187 	    nv_dollar(cap);
7188 	    finish_op = TRUE;
7189 	    ResetRedobuff();
7190 	    AppendCharToRedobuff('D');
7191 	}
7192 	else
7193 	{
7194 	    if (cap->count0)
7195 		stuffnumReadbuff(cap->count0);
7196 	    stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7197 	}
7198     }
7199     cap->opcount = 0;
7200 }
7201 
7202 /*
7203  * "'" and "`" commands.  Also for "g'" and "g`".
7204  * cap->arg is TRUE for "'" and "g'".
7205  */
7206     static void
7207 nv_gomark(cap)
7208     cmdarg_T	*cap;
7209 {
7210     pos_T	*pos;
7211     int		c;
7212 #ifdef FEAT_FOLDING
7213     linenr_T	lnum = curwin->w_cursor.lnum;
7214     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7215 #endif
7216 
7217     if (cap->cmdchar == 'g')
7218 	c = cap->extra_char;
7219     else
7220 	c = cap->nchar;
7221     pos = getmark(c, (cap->oap->op_type == OP_NOP));
7222     if (pos == (pos_T *)-1)	    /* jumped to other file */
7223     {
7224 	if (cap->arg)
7225 	{
7226 	    check_cursor_lnum();
7227 	    beginline(BL_WHITE | BL_FIX);
7228 	}
7229 	else
7230 	    check_cursor();
7231     }
7232     else
7233 	nv_cursormark(cap, cap->arg, pos);
7234 
7235 #ifdef FEAT_VIRTUALEDIT
7236     /* May need to clear the coladd that a mark includes. */
7237     if (!virtual_active())
7238 	curwin->w_cursor.coladd = 0;
7239 #endif
7240 #ifdef FEAT_FOLDING
7241     if (cap->oap->op_type == OP_NOP
7242 	    && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7243 	    && (fdo_flags & FDO_MARK)
7244 	    && old_KeyTyped)
7245 	foldOpenCursor();
7246 #endif
7247 }
7248 
7249 /*
7250  * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7251  */
7252     static void
7253 nv_pcmark(cap)
7254     cmdarg_T	*cap;
7255 {
7256 #ifdef FEAT_JUMPLIST
7257     pos_T	*pos;
7258 # ifdef FEAT_FOLDING
7259     linenr_T	lnum = curwin->w_cursor.lnum;
7260     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
7261 # endif
7262 
7263     if (!checkclearopq(cap->oap))
7264     {
7265 	if (cap->cmdchar == 'g')
7266 	    pos = movechangelist((int)cap->count1);
7267 	else
7268 	    pos = movemark((int)cap->count1);
7269 	if (pos == (pos_T *)-1)		/* jump to other file */
7270 	{
7271 	    curwin->w_set_curswant = TRUE;
7272 	    check_cursor();
7273 	}
7274 	else if (pos != NULL)		    /* can jump */
7275 	    nv_cursormark(cap, FALSE, pos);
7276 	else if (cap->cmdchar == 'g')
7277 	{
7278 	    if (curbuf->b_changelistlen == 0)
7279 		EMSG(_("E664: changelist is empty"));
7280 	    else if (cap->count1 < 0)
7281 		EMSG(_("E662: At start of changelist"));
7282 	    else
7283 		EMSG(_("E663: At end of changelist"));
7284 	}
7285 	else
7286 	    clearopbeep(cap->oap);
7287 # ifdef FEAT_FOLDING
7288 	if (cap->oap->op_type == OP_NOP
7289 		&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7290 		&& (fdo_flags & FDO_MARK)
7291 		&& old_KeyTyped)
7292 	    foldOpenCursor();
7293 # endif
7294     }
7295 #else
7296     clearopbeep(cap->oap);
7297 #endif
7298 }
7299 
7300 /*
7301  * Handle '"' command.
7302  */
7303     static void
7304 nv_regname(cap)
7305     cmdarg_T	*cap;
7306 {
7307     if (checkclearop(cap->oap))
7308 	return;
7309 #ifdef FEAT_EVAL
7310     if (cap->nchar == '=')
7311 	cap->nchar = get_expr_register();
7312 #endif
7313     if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7314     {
7315 	cap->oap->regname = cap->nchar;
7316 	cap->opcount = cap->count0;	/* remember count before '"' */
7317 #ifdef FEAT_EVAL
7318 	set_reg_var(cap->oap->regname);
7319 #endif
7320     }
7321     else
7322 	clearopbeep(cap->oap);
7323 }
7324 
7325 #ifdef FEAT_VISUAL
7326 /*
7327  * Handle "v", "V" and "CTRL-V" commands.
7328  * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7329  * is TRUE.
7330  * Handle CTRL-Q just like CTRL-V.
7331  */
7332     static void
7333 nv_visual(cap)
7334     cmdarg_T	*cap;
7335 {
7336     if (cap->cmdchar == Ctrl_Q)
7337 	cap->cmdchar = Ctrl_V;
7338 
7339     /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7340      * characterwise, linewise, or blockwise. */
7341     if (cap->oap->op_type != OP_NOP)
7342     {
7343 	cap->oap->motion_force = cap->cmdchar;
7344 	finish_op = FALSE;	/* operator doesn't finish now but later */
7345 	return;
7346     }
7347 
7348     VIsual_select = cap->arg;
7349     if (VIsual_active)	    /* change Visual mode */
7350     {
7351 	if (VIsual_mode == cap->cmdchar)    /* stop visual mode */
7352 	    end_visual_mode();
7353 	else				    /* toggle char/block mode */
7354 	{				    /*	   or char/line mode */
7355 	    VIsual_mode = cap->cmdchar;
7356 	    showmode();
7357 	}
7358 	redraw_curbuf_later(INVERTED);	    /* update the inversion */
7359     }
7360     else		    /* start Visual mode */
7361     {
7362 	check_visual_highlight();
7363 	if (cap->count0)		    /* use previously selected part */
7364 	{
7365 	    if (resel_VIsual_mode == NUL)   /* there is none */
7366 	    {
7367 		beep_flush();
7368 		return;
7369 	    }
7370 	    VIsual = curwin->w_cursor;
7371 
7372 	    VIsual_active = TRUE;
7373 	    VIsual_reselect = TRUE;
7374 	    if (!cap->arg)
7375 		/* start Select mode when 'selectmode' contains "cmd" */
7376 		may_start_select('c');
7377 #ifdef FEAT_MOUSE
7378 	    setmouse();
7379 #endif
7380 	    if (p_smd && msg_silent == 0)
7381 		redraw_cmdline = TRUE;	    /* show visual mode later */
7382 	    /*
7383 	     * For V and ^V, we multiply the number of lines even if there
7384 	     * was only one -- webb
7385 	     */
7386 	    if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7387 	    {
7388 		curwin->w_cursor.lnum +=
7389 				    resel_VIsual_line_count * cap->count0 - 1;
7390 		if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7391 		    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7392 	    }
7393 	    VIsual_mode = resel_VIsual_mode;
7394 	    if (VIsual_mode == 'v')
7395 	    {
7396 		if (resel_VIsual_line_count <= 1)
7397 		    curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
7398 		else
7399 		    curwin->w_cursor.col = resel_VIsual_col;
7400 		check_cursor_col();
7401 	    }
7402 	    if (resel_VIsual_col == MAXCOL)
7403 	    {
7404 		curwin->w_curswant = MAXCOL;
7405 		coladvance((colnr_T)MAXCOL);
7406 	    }
7407 	    else if (VIsual_mode == Ctrl_V)
7408 	    {
7409 		validate_virtcol();
7410 		curwin->w_curswant = curwin->w_virtcol
7411 					 + resel_VIsual_col * cap->count0 - 1;
7412 		coladvance(curwin->w_curswant);
7413 	    }
7414 	    else
7415 		curwin->w_set_curswant = TRUE;
7416 	    redraw_curbuf_later(INVERTED);	/* show the inversion */
7417 	}
7418 	else
7419 	{
7420 	    if (!cap->arg)
7421 		/* start Select mode when 'selectmode' contains "cmd" */
7422 		may_start_select('c');
7423 	    n_start_visual_mode(cap->cmdchar);
7424 	}
7425     }
7426 }
7427 
7428 /*
7429  * Start selection for Shift-movement keys.
7430  */
7431     void
7432 start_selection()
7433 {
7434     /* if 'selectmode' contains "key", start Select mode */
7435     may_start_select('k');
7436     n_start_visual_mode('v');
7437 }
7438 
7439 /*
7440  * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7441  */
7442     void
7443 may_start_select(c)
7444     int		c;
7445 {
7446     VIsual_select = (stuff_empty() && typebuf_typed()
7447 		    && (vim_strchr(p_slm, c) != NULL));
7448 }
7449 
7450 /*
7451  * Start Visual mode "c".
7452  * Should set VIsual_select before calling this.
7453  */
7454     static void
7455 n_start_visual_mode(c)
7456     int		c;
7457 {
7458     VIsual_mode = c;
7459     VIsual_active = TRUE;
7460     VIsual_reselect = TRUE;
7461 #ifdef FEAT_VIRTUALEDIT
7462     /* Corner case: the 0 position in a tab may change when going into
7463      * virtualedit.  Recalculate curwin->w_cursor to avoid bad hilighting.
7464      */
7465     if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7466 	coladvance(curwin->w_virtcol);
7467 #endif
7468     VIsual = curwin->w_cursor;
7469 
7470 #ifdef FEAT_FOLDING
7471     foldAdjustVisual();
7472 #endif
7473 
7474 #ifdef FEAT_MOUSE
7475     setmouse();
7476 #endif
7477     if (p_smd && msg_silent == 0)
7478 	redraw_cmdline = TRUE;	/* show visual mode later */
7479 #ifdef FEAT_CLIPBOARD
7480     /* Make sure the clipboard gets updated.  Needed because start and
7481      * end may still be the same, and the selection needs to be owned */
7482     clip_star.vmode = NUL;
7483 #endif
7484 
7485     /* Only need to redraw this line, unless still need to redraw an old
7486      * Visual area (when 'lazyredraw' is set). */
7487     if (curwin->w_redr_type < INVERTED)
7488     {
7489 	curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7490 	curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7491     }
7492 }
7493 
7494 #endif /* FEAT_VISUAL */
7495 
7496 /*
7497  * CTRL-W: Window commands
7498  */
7499     static void
7500 nv_window(cap)
7501     cmdarg_T	*cap;
7502 {
7503 #ifdef FEAT_WINDOWS
7504     if (!checkclearop(cap->oap))
7505 	do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7506 #else
7507     (void)checkclearop(cap->oap);
7508 #endif
7509 }
7510 
7511 /*
7512  * CTRL-Z: Suspend
7513  */
7514     static void
7515 nv_suspend(cap)
7516     cmdarg_T	*cap;
7517 {
7518     clearop(cap->oap);
7519 #ifdef FEAT_VISUAL
7520     if (VIsual_active)
7521 	end_visual_mode();		/* stop Visual mode */
7522 #endif
7523     do_cmdline_cmd((char_u *)"st");
7524 }
7525 
7526 /*
7527  * Commands starting with "g".
7528  */
7529     static void
7530 nv_g_cmd(cap)
7531     cmdarg_T	*cap;
7532 {
7533     oparg_T	*oap = cap->oap;
7534 #ifdef FEAT_VISUAL
7535     pos_T	tpos;
7536 #endif
7537     int		i;
7538     int		flag = FALSE;
7539 
7540     switch (cap->nchar)
7541     {
7542 #ifdef MEM_PROFILE
7543     /*
7544      * "g^A": dump log of used memory.
7545      */
7546     case Ctrl_A:
7547 	vim_mem_profile_dump();
7548 	break;
7549 #endif
7550 
7551 #ifdef FEAT_VREPLACE
7552     /*
7553      * "gR": Enter virtual replace mode.
7554      */
7555     case 'R':
7556 	cap->arg = TRUE;
7557 	nv_Replace(cap);
7558 	break;
7559 
7560     case 'r':
7561 	nv_vreplace(cap);
7562 	break;
7563 #endif
7564 
7565     case '&':
7566 	do_cmdline_cmd((char_u *)"%s//~/&");
7567 	break;
7568 
7569 #ifdef FEAT_VISUAL
7570     /*
7571      * "gv": Reselect the previous Visual area.  If Visual already active,
7572      *	     exchange previous and current Visual area.
7573      */
7574     case 'v':
7575 	if (checkclearop(oap))
7576 	    break;
7577 
7578 	if (	   curbuf->b_visual.vi_start.lnum == 0
7579 		|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7580 		|| curbuf->b_visual.vi_end.lnum == 0)
7581 	    beep_flush();
7582 	else
7583 	{
7584 	    /* set w_cursor to the start of the Visual area, tpos to the end */
7585 	    if (VIsual_active)
7586 	    {
7587 		i = VIsual_mode;
7588 		VIsual_mode = curbuf->b_visual.vi_mode;
7589 		curbuf->b_visual.vi_mode = i;
7590 # ifdef FEAT_EVAL
7591 		curbuf->b_visual_mode_eval = i;
7592 # endif
7593 		i = curwin->w_curswant;
7594 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7595 		curbuf->b_visual.vi_curswant = i;
7596 
7597 		tpos = curbuf->b_visual.vi_end;
7598 		curbuf->b_visual.vi_end = curwin->w_cursor;
7599 		curwin->w_cursor = curbuf->b_visual.vi_start;
7600 		curbuf->b_visual.vi_start = VIsual;
7601 	    }
7602 	    else
7603 	    {
7604 		VIsual_mode = curbuf->b_visual.vi_mode;
7605 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
7606 		tpos = curbuf->b_visual.vi_end;
7607 		curwin->w_cursor = curbuf->b_visual.vi_start;
7608 	    }
7609 
7610 	    VIsual_active = TRUE;
7611 	    VIsual_reselect = TRUE;
7612 
7613 	    /* Set Visual to the start and w_cursor to the end of the Visual
7614 	     * area.  Make sure they are on an existing character. */
7615 	    check_cursor();
7616 	    VIsual = curwin->w_cursor;
7617 	    curwin->w_cursor = tpos;
7618 	    check_cursor();
7619 	    update_topline();
7620 	    /*
7621 	     * When called from normal "g" command: start Select mode when
7622 	     * 'selectmode' contains "cmd".  When called for K_SELECT, always
7623 	     * start Select mode.
7624 	     */
7625 	    if (cap->arg)
7626 		VIsual_select = TRUE;
7627 	    else
7628 		may_start_select('c');
7629 #ifdef FEAT_MOUSE
7630 	    setmouse();
7631 #endif
7632 #ifdef FEAT_CLIPBOARD
7633 	    /* Make sure the clipboard gets updated.  Needed because start and
7634 	     * end are still the same, and the selection needs to be owned */
7635 	    clip_star.vmode = NUL;
7636 #endif
7637 	    redraw_curbuf_later(INVERTED);
7638 	    showmode();
7639 	}
7640 	break;
7641     /*
7642      * "gV": Don't reselect the previous Visual area after a Select mode
7643      *	     mapping of menu.
7644      */
7645     case 'V':
7646 	VIsual_reselect = FALSE;
7647 	break;
7648 
7649     /*
7650      * "gh":  start Select mode.
7651      * "gH":  start Select line mode.
7652      * "g^H": start Select block mode.
7653      */
7654     case K_BS:
7655 	cap->nchar = Ctrl_H;
7656 	/* FALLTHROUGH */
7657     case 'h':
7658     case 'H':
7659     case Ctrl_H:
7660 # ifdef EBCDIC
7661 	/* EBCDIC: 'v'-'h' != '^v'-'^h' */
7662 	if (cap->nchar == Ctrl_H)
7663 	    cap->cmdchar = Ctrl_V;
7664 	else
7665 # endif
7666 	cap->cmdchar = cap->nchar + ('v' - 'h');
7667 	cap->arg = TRUE;
7668 	nv_visual(cap);
7669 	break;
7670 #endif /* FEAT_VISUAL */
7671 
7672     /*
7673      * "gj" and "gk" two new funny movement keys -- up and down
7674      * movement based on *screen* line rather than *file* line.
7675      */
7676     case 'j':
7677     case K_DOWN:
7678 	/* with 'nowrap' it works just like the normal "j" command; also when
7679 	 * in a closed fold */
7680 	if (!curwin->w_p_wrap
7681 #ifdef FEAT_FOLDING
7682 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7683 #endif
7684 		)
7685 	{
7686 	    oap->motion_type = MLINE;
7687 	    i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7688 	}
7689 	else
7690 	    i = nv_screengo(oap, FORWARD, cap->count1);
7691 	if (i == FAIL)
7692 	    clearopbeep(oap);
7693 	break;
7694 
7695     case 'k':
7696     case K_UP:
7697 	/* with 'nowrap' it works just like the normal "k" command; also when
7698 	 * in a closed fold */
7699 	if (!curwin->w_p_wrap
7700 #ifdef FEAT_FOLDING
7701 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7702 #endif
7703 	   )
7704 	{
7705 	    oap->motion_type = MLINE;
7706 	    i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7707 	}
7708 	else
7709 	    i = nv_screengo(oap, BACKWARD, cap->count1);
7710 	if (i == FAIL)
7711 	    clearopbeep(oap);
7712 	break;
7713 
7714     /*
7715      * "gJ": join two lines without inserting a space.
7716      */
7717     case 'J':
7718 	nv_join(cap);
7719 	break;
7720 
7721     /*
7722      * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7723      * "gm": middle of "g0" and "g$".
7724      */
7725     case '^':
7726 	flag = TRUE;
7727 	/* FALLTHROUGH */
7728 
7729     case '0':
7730     case 'm':
7731     case K_HOME:
7732     case K_KHOME:
7733 	oap->motion_type = MCHAR;
7734 	oap->inclusive = FALSE;
7735 	if (curwin->w_p_wrap
7736 #ifdef FEAT_VERTSPLIT
7737 		&& curwin->w_width != 0
7738 #endif
7739 		)
7740 	{
7741 	    int		width1 = W_WIDTH(curwin) - curwin_col_off();
7742 	    int		width2 = width1 + curwin_col_off2();
7743 
7744 	    validate_virtcol();
7745 	    i = 0;
7746 	    if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7747 		i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7748 	}
7749 	else
7750 	    i = curwin->w_leftcol;
7751 	/* Go to the middle of the screen line.  When 'number' is on and lines
7752 	 * are wrapping the middle can be more to the left.*/
7753 	if (cap->nchar == 'm')
7754 	    i += (W_WIDTH(curwin) - curwin_col_off()
7755 		    + ((curwin->w_p_wrap && i > 0)
7756 			? curwin_col_off2() : 0)) / 2;
7757 	coladvance((colnr_T)i);
7758 	if (flag)
7759 	{
7760 	    do
7761 		i = gchar_cursor();
7762 	    while (vim_iswhite(i) && oneright() == OK);
7763 	}
7764 	curwin->w_set_curswant = TRUE;
7765 	break;
7766 
7767     case '_':
7768 	/* "g_": to the last non-blank character in the line or <count> lines
7769 	 * downward. */
7770 	cap->oap->motion_type = MCHAR;
7771 	cap->oap->inclusive = TRUE;
7772 	curwin->w_curswant = MAXCOL;
7773 	if (cursor_down((long)(cap->count1 - 1),
7774 					 cap->oap->op_type == OP_NOP) == FAIL)
7775 	    clearopbeep(cap->oap);
7776 	else
7777 	{
7778 	    char_u  *ptr = ml_get_curline();
7779 
7780 	    /* In Visual mode we may end up after the line. */
7781 	    if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7782 		--curwin->w_cursor.col;
7783 
7784 	    /* Decrease the cursor column until it's on a non-blank. */
7785 	    while (curwin->w_cursor.col > 0
7786 				    && vim_iswhite(ptr[curwin->w_cursor.col]))
7787 		--curwin->w_cursor.col;
7788 	    curwin->w_set_curswant = TRUE;
7789 	}
7790 	break;
7791 
7792     case '$':
7793     case K_END:
7794     case K_KEND:
7795 	{
7796 	    int col_off = curwin_col_off();
7797 
7798 	    oap->motion_type = MCHAR;
7799 	    oap->inclusive = TRUE;
7800 	    if (curwin->w_p_wrap
7801 #ifdef FEAT_VERTSPLIT
7802 		    && curwin->w_width != 0
7803 #endif
7804 	       )
7805 	    {
7806 		curwin->w_curswant = MAXCOL;    /* so we stay at the end */
7807 		if (cap->count1 == 1)
7808 		{
7809 		    int		width1 = W_WIDTH(curwin) - col_off;
7810 		    int		width2 = width1 + curwin_col_off2();
7811 
7812 		    validate_virtcol();
7813 		    i = width1 - 1;
7814 		    if (curwin->w_virtcol >= (colnr_T)width1)
7815 			i += ((curwin->w_virtcol - width1) / width2 + 1)
7816 								     * width2;
7817 		    coladvance((colnr_T)i);
7818 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7819 		    if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7820 		    {
7821 			/*
7822 			 * Check for landing on a character that got split at
7823 			 * the end of the line.  We do not want to advance to
7824 			 * the next screen line.
7825 			 */
7826 			validate_virtcol();
7827 			if (curwin->w_virtcol > (colnr_T)i)
7828 			    --curwin->w_cursor.col;
7829 		    }
7830 #endif
7831 		}
7832 		else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7833 		    clearopbeep(oap);
7834 	    }
7835 	    else
7836 	    {
7837 		i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7838 		coladvance((colnr_T)i);
7839 
7840 		/* Make sure we stick in this column. */
7841 		validate_virtcol();
7842 		curwin->w_curswant = curwin->w_virtcol;
7843 		curwin->w_set_curswant = FALSE;
7844 	    }
7845 	}
7846 	break;
7847 
7848     /*
7849      * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7850      */
7851     case '*':
7852     case '#':
7853 #if POUND != '#'
7854     case POUND:		/* pound sign (sometimes equal to '#') */
7855 #endif
7856     case Ctrl_RSB:		/* :tag or :tselect for current identifier */
7857     case ']':			/* :tselect for current identifier */
7858 	nv_ident(cap);
7859 	break;
7860 
7861     /*
7862      * ge and gE: go back to end of word
7863      */
7864     case 'e':
7865     case 'E':
7866 	oap->motion_type = MCHAR;
7867 	curwin->w_set_curswant = TRUE;
7868 	oap->inclusive = TRUE;
7869 	if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7870 	    clearopbeep(oap);
7871 	break;
7872 
7873     /*
7874      * "g CTRL-G": display info about cursor position
7875      */
7876     case Ctrl_G:
7877 	cursor_pos_info();
7878 	break;
7879 
7880     /*
7881      * "gi": start Insert at the last position.
7882      */
7883     case 'i':
7884 	if (curbuf->b_last_insert.lnum != 0)
7885 	{
7886 	    curwin->w_cursor = curbuf->b_last_insert;
7887 	    check_cursor_lnum();
7888 	    i = (int)STRLEN(ml_get_curline());
7889 	    if (curwin->w_cursor.col > (colnr_T)i)
7890 	    {
7891 #ifdef FEAT_VIRTUALEDIT
7892 		if (virtual_active())
7893 		    curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7894 #endif
7895 		curwin->w_cursor.col = i;
7896 	    }
7897 	}
7898 	cap->cmdchar = 'i';
7899 	nv_edit(cap);
7900 	break;
7901 
7902     /*
7903      * "gI": Start insert in column 1.
7904      */
7905     case 'I':
7906 	beginline(0);
7907 	if (!checkclearopq(oap))
7908 	    invoke_edit(cap, FALSE, 'g', FALSE);
7909 	break;
7910 
7911 #ifdef FEAT_SEARCHPATH
7912     /*
7913      * "gf": goto file, edit file under cursor
7914      * "]f" and "[f": can also be used.
7915      */
7916     case 'f':
7917     case 'F':
7918 	nv_gotofile(cap);
7919 	break;
7920 #endif
7921 
7922 	/* "g'm" and "g`m": jump to mark without setting pcmark */
7923     case '\'':
7924 	cap->arg = TRUE;
7925 	/*FALLTHROUGH*/
7926     case '`':
7927 	nv_gomark(cap);
7928 	break;
7929 
7930     /*
7931      * "gs": Goto sleep.
7932      */
7933     case 's':
7934 	do_sleep(cap->count1 * 1000L);
7935 	break;
7936 
7937     /*
7938      * "ga": Display the ascii value of the character under the
7939      * cursor.	It is displayed in decimal, hex, and octal. -- webb
7940      */
7941     case 'a':
7942 	do_ascii(NULL);
7943 	break;
7944 
7945 #ifdef FEAT_MBYTE
7946     /*
7947      * "g8": Display the bytes used for the UTF-8 character under the
7948      * cursor.	It is displayed in hex.
7949      * "8g8" finds illegal byte sequence.
7950      */
7951     case '8':
7952 	if (cap->count0 == 8)
7953 	    utf_find_illegal();
7954 	else
7955 	    show_utf8();
7956 	break;
7957 #endif
7958 
7959     case '<':
7960 	show_sb_text();
7961 	break;
7962 
7963     /*
7964      * "gg": Goto the first line in file.  With a count it goes to
7965      * that line number like for "G". -- webb
7966      */
7967     case 'g':
7968 	cap->arg = FALSE;
7969 	nv_goto(cap);
7970 	break;
7971 
7972     /*
7973      *	 Two-character operators:
7974      *	 "gq"	    Format text
7975      *	 "gw"	    Format text and keep cursor position
7976      *	 "g~"	    Toggle the case of the text.
7977      *	 "gu"	    Change text to lower case.
7978      *	 "gU"	    Change text to upper case.
7979      *   "g?"	    rot13 encoding
7980      *   "g@"	    call 'operatorfunc'
7981      */
7982     case 'q':
7983     case 'w':
7984 	oap->cursor_start = curwin->w_cursor;
7985 	/*FALLTHROUGH*/
7986     case '~':
7987     case 'u':
7988     case 'U':
7989     case '?':
7990     case '@':
7991 	nv_operator(cap);
7992 	break;
7993 
7994     /*
7995      * "gd": Find first occurrence of pattern under the cursor in the
7996      *	 current function
7997      * "gD": idem, but in the current file.
7998      */
7999     case 'd':
8000     case 'D':
8001 	nv_gd(oap, cap->nchar, (int)cap->count0);
8002 	break;
8003 
8004 #ifdef FEAT_MOUSE
8005     /*
8006      * g<*Mouse> : <C-*mouse>
8007      */
8008     case K_MIDDLEMOUSE:
8009     case K_MIDDLEDRAG:
8010     case K_MIDDLERELEASE:
8011     case K_LEFTMOUSE:
8012     case K_LEFTDRAG:
8013     case K_LEFTRELEASE:
8014     case K_RIGHTMOUSE:
8015     case K_RIGHTDRAG:
8016     case K_RIGHTRELEASE:
8017     case K_X1MOUSE:
8018     case K_X1DRAG:
8019     case K_X1RELEASE:
8020     case K_X2MOUSE:
8021     case K_X2DRAG:
8022     case K_X2RELEASE:
8023 	mod_mask = MOD_MASK_CTRL;
8024 	(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8025 	break;
8026 #endif
8027 
8028     case K_IGNORE:
8029 	break;
8030 
8031     /*
8032      * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8033      */
8034     case 'p':
8035     case 'P':
8036 	nv_put(cap);
8037 	break;
8038 
8039 #ifdef FEAT_BYTEOFF
8040     /* "go": goto byte count from start of buffer */
8041     case 'o':
8042 	goto_byte(cap->count0);
8043 	break;
8044 #endif
8045 
8046     /* "gQ": improved Ex mode */
8047     case 'Q':
8048 	if (text_locked())
8049 	{
8050 	    clearopbeep(cap->oap);
8051 	    text_locked_msg();
8052 	    break;
8053 	}
8054 
8055 	if (!checkclearopq(oap))
8056 	    do_exmode(TRUE);
8057 	break;
8058 
8059 #ifdef FEAT_JUMPLIST
8060     case ',':
8061 	nv_pcmark(cap);
8062 	break;
8063 
8064     case ';':
8065 	cap->count1 = -cap->count1;
8066 	nv_pcmark(cap);
8067 	break;
8068 #endif
8069 
8070 #ifdef FEAT_WINDOWS
8071     case 't':
8072 	goto_tabpage((int)cap->count0);
8073 	break;
8074     case 'T':
8075 	goto_tabpage(-(int)cap->count1);
8076 	break;
8077 #endif
8078 
8079     case '+':
8080     case '-': /* "g+" and "g-": undo or redo along the timeline */
8081 	if (!checkclearopq(oap))
8082 	    undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8083 								FALSE, FALSE);
8084 	break;
8085 
8086     default:
8087 	clearopbeep(oap);
8088 	break;
8089     }
8090 }
8091 
8092 /*
8093  * Handle "o" and "O" commands.
8094  */
8095     static void
8096 n_opencmd(cap)
8097     cmdarg_T	*cap;
8098 {
8099     if (!checkclearopq(cap->oap))
8100     {
8101 #ifdef FEAT_FOLDING
8102 	if (cap->cmdchar == 'O')
8103 	    /* Open above the first line of a folded sequence of lines */
8104 	    (void)hasFolding(curwin->w_cursor.lnum,
8105 						&curwin->w_cursor.lnum, NULL);
8106 	else
8107 	    /* Open below the last line of a folded sequence of lines */
8108 	    (void)hasFolding(curwin->w_cursor.lnum,
8109 						NULL, &curwin->w_cursor.lnum);
8110 #endif
8111 	if (u_save((linenr_T)(curwin->w_cursor.lnum -
8112 					       (cap->cmdchar == 'O' ? 1 : 0)),
8113 		   (linenr_T)(curwin->w_cursor.lnum +
8114 					       (cap->cmdchar == 'o' ? 1 : 0))
8115 		       ) == OK
8116 		&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8117 #ifdef FEAT_COMMENTS
8118 		    has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8119 #endif
8120 		    0, 0))
8121 	{
8122 	    /* When '#' is in 'cpoptions' ignore the count. */
8123 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8124 		cap->count1 = 1;
8125 	    invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8126 	}
8127     }
8128 }
8129 
8130 /*
8131  * "." command: redo last change.
8132  */
8133     static void
8134 nv_dot(cap)
8135     cmdarg_T	*cap;
8136 {
8137     if (!checkclearopq(cap->oap))
8138     {
8139 	/*
8140 	 * If "restart_edit" is TRUE, the last but one command is repeated
8141 	 * instead of the last command (inserting text). This is used for
8142 	 * CTRL-O <.> in insert mode.
8143 	 */
8144 	if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8145 	    clearopbeep(cap->oap);
8146     }
8147 }
8148 
8149 /*
8150  * CTRL-R: undo undo
8151  */
8152     static void
8153 nv_redo(cap)
8154     cmdarg_T	*cap;
8155 {
8156     if (!checkclearopq(cap->oap))
8157     {
8158 	u_redo((int)cap->count1);
8159 	curwin->w_set_curswant = TRUE;
8160     }
8161 }
8162 
8163 /*
8164  * Handle "U" command.
8165  */
8166     static void
8167 nv_Undo(cap)
8168     cmdarg_T	*cap;
8169 {
8170     /* In Visual mode and typing "gUU" triggers an operator */
8171     if (cap->oap->op_type == OP_UPPER
8172 #ifdef FEAT_VISUAL
8173 	    || VIsual_active
8174 #endif
8175 	    )
8176     {
8177 	/* translate "gUU" to "gUgU" */
8178 	cap->cmdchar = 'g';
8179 	cap->nchar = 'U';
8180 	nv_operator(cap);
8181     }
8182     else if (!checkclearopq(cap->oap))
8183     {
8184 	u_undoline();
8185 	curwin->w_set_curswant = TRUE;
8186     }
8187 }
8188 
8189 /*
8190  * '~' command: If tilde is not an operator and Visual is off: swap case of a
8191  * single character.
8192  */
8193     static void
8194 nv_tilde(cap)
8195     cmdarg_T	*cap;
8196 {
8197     if (!p_to
8198 #ifdef FEAT_VISUAL
8199 	    && !VIsual_active
8200 #endif
8201 	    && cap->oap->op_type != OP_TILDE)
8202 	n_swapchar(cap);
8203     else
8204 	nv_operator(cap);
8205 }
8206 
8207 /*
8208  * Handle an operator command.
8209  * The actual work is done by do_pending_operator().
8210  */
8211     static void
8212 nv_operator(cap)
8213     cmdarg_T	*cap;
8214 {
8215     int	    op_type;
8216 
8217     op_type = get_op_type(cap->cmdchar, cap->nchar);
8218 
8219     if (op_type == cap->oap->op_type)	    /* double operator works on lines */
8220 	nv_lineop(cap);
8221     else if (!checkclearop(cap->oap))
8222     {
8223 	cap->oap->start = curwin->w_cursor;
8224 	cap->oap->op_type = op_type;
8225 #ifdef FEAT_EVAL
8226 	set_op_var(op_type);
8227 #endif
8228     }
8229 }
8230 
8231 #ifdef FEAT_EVAL
8232 /*
8233  * Set v:operator to the characters for "optype".
8234  */
8235     static void
8236 set_op_var(optype)
8237     int optype;
8238 {
8239     char_u	opchars[3];
8240 
8241     if (optype == OP_NOP)
8242 	set_vim_var_string(VV_OP, NULL, 0);
8243     else
8244     {
8245 	opchars[0] = get_op_char(optype);
8246 	opchars[1] = get_extra_op_char(optype);
8247 	opchars[2] = NUL;
8248 	set_vim_var_string(VV_OP, opchars, -1);
8249     }
8250 }
8251 #endif
8252 
8253 /*
8254  * Handle linewise operator "dd", "yy", etc.
8255  *
8256  * "_" is is a strange motion command that helps make operators more logical.
8257  * It is actually implemented, but not documented in the real Vi.  This motion
8258  * command actually refers to "the current line".  Commands like "dd" and "yy"
8259  * are really an alternate form of "d_" and "y_".  It does accept a count, so
8260  * "d3_" works to delete 3 lines.
8261  */
8262     static void
8263 nv_lineop(cap)
8264     cmdarg_T	*cap;
8265 {
8266     cap->oap->motion_type = MLINE;
8267     if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8268 	clearopbeep(cap->oap);
8269     else if (  cap->oap->op_type == OP_DELETE
8270 	    || cap->oap->op_type == OP_LSHIFT
8271 	    || cap->oap->op_type == OP_RSHIFT)
8272 	beginline(BL_SOL | BL_FIX);
8273     else if (cap->oap->op_type != OP_YANK)	/* 'Y' does not move cursor */
8274 	beginline(BL_WHITE | BL_FIX);
8275 }
8276 
8277 /*
8278  * <Home> command.
8279  */
8280     static void
8281 nv_home(cap)
8282     cmdarg_T	*cap;
8283 {
8284     /* CTRL-HOME is like "gg" */
8285     if (mod_mask & MOD_MASK_CTRL)
8286 	nv_goto(cap);
8287     else
8288     {
8289 	cap->count0 = 1;
8290 	nv_pipe(cap);
8291     }
8292     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8293 			       one-character line). */
8294 }
8295 
8296 /*
8297  * "|" command.
8298  */
8299     static void
8300 nv_pipe(cap)
8301     cmdarg_T *cap;
8302 {
8303     cap->oap->motion_type = MCHAR;
8304     cap->oap->inclusive = FALSE;
8305     beginline(0);
8306     if (cap->count0 > 0)
8307     {
8308 	coladvance((colnr_T)(cap->count0 - 1));
8309 	curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8310     }
8311     else
8312 	curwin->w_curswant = 0;
8313     /* keep curswant at the column where we wanted to go, not where
8314        we ended; differs if line is too short */
8315     curwin->w_set_curswant = FALSE;
8316 }
8317 
8318 /*
8319  * Handle back-word command "b" and "B".
8320  * cap->arg is 1 for "B"
8321  */
8322     static void
8323 nv_bck_word(cap)
8324     cmdarg_T	*cap;
8325 {
8326     cap->oap->motion_type = MCHAR;
8327     cap->oap->inclusive = FALSE;
8328     curwin->w_set_curswant = TRUE;
8329     if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8330 	clearopbeep(cap->oap);
8331 #ifdef FEAT_FOLDING
8332     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8333 	foldOpenCursor();
8334 #endif
8335 }
8336 
8337 /*
8338  * Handle word motion commands "e", "E", "w" and "W".
8339  * cap->arg is TRUE for "E" and "W".
8340  */
8341     static void
8342 nv_wordcmd(cap)
8343     cmdarg_T	*cap;
8344 {
8345     int		n;
8346     int		word_end;
8347     int		flag = FALSE;
8348     pos_T	startpos = curwin->w_cursor;
8349 
8350     /*
8351      * Set inclusive for the "E" and "e" command.
8352      */
8353     if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8354 	word_end = TRUE;
8355     else
8356 	word_end = FALSE;
8357     cap->oap->inclusive = word_end;
8358 
8359     /*
8360      * "cw" and "cW" are a special case.
8361      */
8362     if (!word_end && cap->oap->op_type == OP_CHANGE)
8363     {
8364 	n = gchar_cursor();
8365 	if (n != NUL)			/* not an empty line */
8366 	{
8367 	    if (vim_iswhite(n))
8368 	    {
8369 		/*
8370 		 * Reproduce a funny Vi behaviour: "cw" on a blank only
8371 		 * changes one character, not all blanks until the start of
8372 		 * the next word.  Only do this when the 'w' flag is included
8373 		 * in 'cpoptions'.
8374 		 */
8375 		if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8376 		{
8377 		    cap->oap->inclusive = TRUE;
8378 		    cap->oap->motion_type = MCHAR;
8379 		    return;
8380 		}
8381 	    }
8382 	    else
8383 	    {
8384 		/*
8385 		 * This is a little strange. To match what the real Vi does,
8386 		 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8387 		 * that we are not on a space or a TAB.  This seems impolite
8388 		 * at first, but it's really more what we mean when we say
8389 		 * 'cw'.
8390 		 * Another strangeness: When standing on the end of a word
8391 		 * "ce" will change until the end of the next wordt, but "cw"
8392 		 * will change only one character! This is done by setting
8393 		 * flag.
8394 		 */
8395 		cap->oap->inclusive = TRUE;
8396 		word_end = TRUE;
8397 		flag = TRUE;
8398 	    }
8399 	}
8400     }
8401 
8402     cap->oap->motion_type = MCHAR;
8403     curwin->w_set_curswant = TRUE;
8404     if (word_end)
8405 	n = end_word(cap->count1, cap->arg, flag, FALSE);
8406     else
8407 	n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8408 
8409     /* Don't leave the cursor on the NUL past the end of line. Unless we
8410      * didn't move it forward. */
8411     if (lt(startpos, curwin->w_cursor))
8412 	adjust_cursor(cap->oap);
8413 
8414     if (n == FAIL && cap->oap->op_type == OP_NOP)
8415 	clearopbeep(cap->oap);
8416     else
8417     {
8418 #ifdef FEAT_VISUAL
8419 	adjust_for_sel(cap);
8420 #endif
8421 #ifdef FEAT_FOLDING
8422 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8423 	    foldOpenCursor();
8424 #endif
8425     }
8426 }
8427 
8428 /*
8429  * Used after a movement command: If the cursor ends up on the NUL after the
8430  * end of the line, may move it back to the last character and make the motion
8431  * inclusive.
8432  */
8433     static void
8434 adjust_cursor(oap)
8435     oparg_T *oap;
8436 {
8437     /* The cursor cannot remain on the NUL when:
8438      * - the column is > 0
8439      * - not in Visual mode or 'selection' is "o"
8440      * - 'virtualedit' is not "all" and not "onemore".
8441      */
8442     if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
8443 #ifdef FEAT_VISUAL
8444 		&& (!VIsual_active || *p_sel == 'o')
8445 #endif
8446 #ifdef FEAT_VIRTUALEDIT
8447 		&& !virtual_active() && (ve_flags & VE_ONEMORE) == 0
8448 #endif
8449 		)
8450     {
8451 	--curwin->w_cursor.col;
8452 #ifdef FEAT_MBYTE
8453 	/* prevent cursor from moving on the trail byte */
8454 	if (has_mbyte)
8455 	    mb_adjust_cursor();
8456 #endif
8457 	oap->inclusive = TRUE;
8458     }
8459 }
8460 
8461 /*
8462  * "0" and "^" commands.
8463  * cap->arg is the argument for beginline().
8464  */
8465     static void
8466 nv_beginline(cap)
8467     cmdarg_T	*cap;
8468 {
8469     cap->oap->motion_type = MCHAR;
8470     cap->oap->inclusive = FALSE;
8471     beginline(cap->arg);
8472 #ifdef FEAT_FOLDING
8473     if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8474 	foldOpenCursor();
8475 #endif
8476     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
8477 			       one-character line). */
8478 }
8479 
8480 #ifdef FEAT_VISUAL
8481 /*
8482  * In exclusive Visual mode, may include the last character.
8483  */
8484     static void
8485 adjust_for_sel(cap)
8486     cmdarg_T	*cap;
8487 {
8488     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8489 	    && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8490     {
8491 # ifdef FEAT_MBYTE
8492 	if (has_mbyte)
8493 	    inc_cursor();
8494 	else
8495 # endif
8496 	    ++curwin->w_cursor.col;
8497 	cap->oap->inclusive = FALSE;
8498     }
8499 }
8500 
8501 /*
8502  * Exclude last character at end of Visual area for 'selection' == "exclusive".
8503  * Should check VIsual_mode before calling this.
8504  * Returns TRUE when backed up to the previous line.
8505  */
8506     static int
8507 unadjust_for_sel()
8508 {
8509     pos_T	*pp;
8510 
8511     if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8512     {
8513 	if (lt(VIsual, curwin->w_cursor))
8514 	    pp = &curwin->w_cursor;
8515 	else
8516 	    pp = &VIsual;
8517 #ifdef FEAT_VIRTUALEDIT
8518 	if (pp->coladd > 0)
8519 	    --pp->coladd;
8520 	else
8521 #endif
8522 	if (pp->col > 0)
8523 	{
8524 	    --pp->col;
8525 #ifdef FEAT_MBYTE
8526 	    mb_adjustpos(pp);
8527 #endif
8528 	}
8529 	else if (pp->lnum > 1)
8530 	{
8531 	    --pp->lnum;
8532 	    pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8533 	    return TRUE;
8534 	}
8535     }
8536     return FALSE;
8537 }
8538 
8539 /*
8540  * SELECT key in Normal or Visual mode: end of Select mode mapping.
8541  */
8542     static void
8543 nv_select(cap)
8544     cmdarg_T	*cap;
8545 {
8546     if (VIsual_active)
8547 	VIsual_select = TRUE;
8548     else if (VIsual_reselect)
8549     {
8550 	cap->nchar = 'v';	    /* fake "gv" command */
8551 	cap->arg = TRUE;
8552 	nv_g_cmd(cap);
8553     }
8554 }
8555 
8556 #endif
8557 
8558 /*
8559  * "G", "gg", CTRL-END, CTRL-HOME.
8560  * cap->arg is TRUE for "G".
8561  */
8562     static void
8563 nv_goto(cap)
8564     cmdarg_T	*cap;
8565 {
8566     linenr_T	lnum;
8567 
8568     if (cap->arg)
8569 	lnum = curbuf->b_ml.ml_line_count;
8570     else
8571 	lnum = 1L;
8572     cap->oap->motion_type = MLINE;
8573     setpcmark();
8574 
8575     /* When a count is given, use it instead of the default lnum */
8576     if (cap->count0 != 0)
8577 	lnum = cap->count0;
8578     if (lnum < 1L)
8579 	lnum = 1L;
8580     else if (lnum > curbuf->b_ml.ml_line_count)
8581 	lnum = curbuf->b_ml.ml_line_count;
8582     curwin->w_cursor.lnum = lnum;
8583     beginline(BL_SOL | BL_FIX);
8584 #ifdef FEAT_FOLDING
8585     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8586 	foldOpenCursor();
8587 #endif
8588 }
8589 
8590 /*
8591  * CTRL-\ in Normal mode.
8592  */
8593     static void
8594 nv_normal(cap)
8595     cmdarg_T	*cap;
8596 {
8597     if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8598     {
8599 	clearop(cap->oap);
8600 	if (restart_edit != 0 && mode_displayed)
8601 	    clear_cmdline = TRUE;		/* unshow mode later */
8602 	restart_edit = 0;
8603 #ifdef FEAT_CMDWIN
8604 	if (cmdwin_type != 0)
8605 	    cmdwin_result = Ctrl_C;
8606 #endif
8607 #ifdef FEAT_VISUAL
8608 	if (VIsual_active)
8609 	{
8610 	    end_visual_mode();		/* stop Visual */
8611 	    redraw_curbuf_later(INVERTED);
8612 	}
8613 #endif
8614 	/* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8615 	if (cap->nchar == Ctrl_G && p_im)
8616 	    restart_edit = 'a';
8617     }
8618     else
8619 	clearopbeep(cap->oap);
8620 }
8621 
8622 /*
8623  * ESC in Normal mode: beep, but don't flush buffers.
8624  * Don't even beep if we are canceling a command.
8625  */
8626     static void
8627 nv_esc(cap)
8628     cmdarg_T	*cap;
8629 {
8630     int		no_reason;
8631 
8632     no_reason = (cap->oap->op_type == OP_NOP
8633 		&& cap->opcount == 0
8634 		&& cap->count0 == 0
8635 		&& cap->oap->regname == 0
8636 		&& !p_im);
8637 
8638     if (cap->arg)		/* TRUE for CTRL-C */
8639     {
8640 	if (restart_edit == 0
8641 #ifdef FEAT_CMDWIN
8642 		&& cmdwin_type == 0
8643 #endif
8644 #ifdef FEAT_VISUAL
8645 		&& !VIsual_active
8646 #endif
8647 		&& no_reason)
8648 	    MSG(_("Type  :quit<Enter>  to exit Vim"));
8649 
8650 	/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8651 	 * set again below when halfway a mapping. */
8652 	if (!p_im)
8653 	    restart_edit = 0;
8654 #ifdef FEAT_CMDWIN
8655 	if (cmdwin_type != 0)
8656 	{
8657 	    cmdwin_result = K_IGNORE;
8658 	    got_int = FALSE;	/* don't stop executing autocommands et al. */
8659 	    return;
8660 	}
8661 #endif
8662     }
8663 
8664 #ifdef FEAT_VISUAL
8665     if (VIsual_active)
8666     {
8667 	end_visual_mode();	/* stop Visual */
8668 	check_cursor_col();	/* make sure cursor is not beyond EOL */
8669 	curwin->w_set_curswant = TRUE;
8670 	redraw_curbuf_later(INVERTED);
8671     }
8672     else
8673 #endif
8674 	if (no_reason)
8675 	    vim_beep();
8676     clearop(cap->oap);
8677 
8678     /* A CTRL-C is often used at the start of a menu.  When 'insertmode' is
8679      * set return to Insert mode afterwards. */
8680     if (restart_edit == 0 && goto_im()
8681 #ifdef FEAT_EX_EXTRA
8682 	    && ex_normal_busy == 0
8683 #endif
8684 	    )
8685 	restart_edit = 'a';
8686 }
8687 
8688 /*
8689  * Handle "A", "a", "I", "i" and <Insert> commands.
8690  */
8691     static void
8692 nv_edit(cap)
8693     cmdarg_T *cap;
8694 {
8695     /* <Insert> is equal to "i" */
8696     if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8697 	cap->cmdchar = 'i';
8698 
8699 #ifdef FEAT_VISUAL
8700     /* in Visual mode "A" and "I" are an operator */
8701     if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8702 	v_visop(cap);
8703 
8704     /* in Visual mode and after an operator "a" and "i" are for text objects */
8705     else
8706 #endif
8707 	if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8708 	    && (cap->oap->op_type != OP_NOP
8709 #ifdef FEAT_VISUAL
8710 		|| VIsual_active
8711 #endif
8712 		))
8713     {
8714 #ifdef FEAT_TEXTOBJ
8715 	nv_object(cap);
8716 #else
8717 	clearopbeep(cap->oap);
8718 #endif
8719     }
8720     else if (!curbuf->b_p_ma && !p_im)
8721     {
8722 	/* Only give this error when 'insertmode' is off. */
8723 	EMSG(_(e_modifiable));
8724 	clearop(cap->oap);
8725     }
8726     else if (!checkclearopq(cap->oap))
8727     {
8728 	switch (cap->cmdchar)
8729 	{
8730 	    case 'A':	/* "A"ppend after the line */
8731 		curwin->w_set_curswant = TRUE;
8732 #ifdef FEAT_VIRTUALEDIT
8733 		if (ve_flags == VE_ALL)
8734 		{
8735 		    int save_State = State;
8736 
8737 		    /* Pretent Insert mode here to allow the cursor on the
8738 		     * character past the end of the line */
8739 		    State = INSERT;
8740 		    coladvance((colnr_T)MAXCOL);
8741 		    State = save_State;
8742 		}
8743 		else
8744 #endif
8745 		    curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8746 		break;
8747 
8748 	    case 'I':	/* "I"nsert before the first non-blank */
8749 		if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
8750 		    beginline(BL_WHITE);
8751 		else
8752 		    beginline(BL_WHITE|BL_FIX);
8753 		break;
8754 
8755 	    case 'a':	/* "a"ppend is like "i"nsert on the next character. */
8756 #ifdef FEAT_VIRTUALEDIT
8757 		/* increment coladd when in virtual space, increment the
8758 		 * column otherwise, also to append after an unprintable char */
8759 		if (virtual_active()
8760 			&& (curwin->w_cursor.coladd > 0
8761 			    || *ml_get_cursor() == NUL
8762 			    || *ml_get_cursor() == TAB))
8763 		    curwin->w_cursor.coladd++;
8764 		else
8765 #endif
8766 		if (*ml_get_cursor() != NUL)
8767 		    inc_cursor();
8768 		break;
8769 	}
8770 
8771 #ifdef FEAT_VIRTUALEDIT
8772 	if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8773 	{
8774 	    int save_State = State;
8775 
8776 	    /* Pretent Insert mode here to allow the cursor on the
8777 	     * character past the end of the line */
8778 	    State = INSERT;
8779 	    coladvance(getviscol());
8780 	    State = save_State;
8781 	}
8782 #endif
8783 
8784 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8785     }
8786 }
8787 
8788 /*
8789  * Invoke edit() and take care of "restart_edit" and the return value.
8790  */
8791     static void
8792 invoke_edit(cap, repl, cmd, startln)
8793     cmdarg_T	*cap;
8794     int		repl;		/* "r" or "gr" command */
8795     int		cmd;
8796     int		startln;
8797 {
8798     int		restart_edit_save = 0;
8799 
8800     /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8801      * mode recursively.  But when doing "a<C-O>." or "a<C-O>rx" we do allow
8802      * it. */
8803     if (repl || !stuff_empty())
8804 	restart_edit_save = restart_edit;
8805     else
8806 	restart_edit_save = 0;
8807 
8808     /* Always reset "restart_edit", this is not a restarted edit. */
8809     restart_edit = 0;
8810 
8811     if (edit(cmd, startln, cap->count1))
8812 	cap->retval |= CA_COMMAND_BUSY;
8813 
8814     if (restart_edit == 0)
8815 	restart_edit = restart_edit_save;
8816 }
8817 
8818 #ifdef FEAT_TEXTOBJ
8819 /*
8820  * "a" or "i" while an operator is pending or in Visual mode: object motion.
8821  */
8822     static void
8823 nv_object(cap)
8824     cmdarg_T	*cap;
8825 {
8826     int		flag;
8827     int		include;
8828     char_u	*mps_save;
8829 
8830     if (cap->cmdchar == 'i')
8831 	include = FALSE;    /* "ix" = inner object: exclude white space */
8832     else
8833 	include = TRUE;	    /* "ax" = an object: include white space */
8834 
8835     /* Make sure (), [], {} and <> are in 'matchpairs' */
8836     mps_save = curbuf->b_p_mps;
8837     curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8838 
8839     switch (cap->nchar)
8840     {
8841 	case 'w': /* "aw" = a word */
8842 		flag = current_word(cap->oap, cap->count1, include, FALSE);
8843 		break;
8844 	case 'W': /* "aW" = a WORD */
8845 		flag = current_word(cap->oap, cap->count1, include, TRUE);
8846 		break;
8847 	case 'b': /* "ab" = a braces block */
8848 	case '(':
8849 	case ')':
8850 		flag = current_block(cap->oap, cap->count1, include, '(', ')');
8851 		break;
8852 	case 'B': /* "aB" = a Brackets block */
8853 	case '{':
8854 	case '}':
8855 		flag = current_block(cap->oap, cap->count1, include, '{', '}');
8856 		break;
8857 	case '[': /* "a[" = a [] block */
8858 	case ']':
8859 		flag = current_block(cap->oap, cap->count1, include, '[', ']');
8860 		break;
8861 	case '<': /* "a<" = a <> block */
8862 	case '>':
8863 		flag = current_block(cap->oap, cap->count1, include, '<', '>');
8864 		break;
8865 	case 't': /* "at" = a tag block (xml and html) */
8866 		flag = current_tagblock(cap->oap, cap->count1, include);
8867 		break;
8868 	case 'p': /* "ap" = a paragraph */
8869 		flag = current_par(cap->oap, cap->count1, include, 'p');
8870 		break;
8871 	case 's': /* "as" = a sentence */
8872 		flag = current_sent(cap->oap, cap->count1, include);
8873 		break;
8874 	case '"': /* "a"" = a double quoted string */
8875 	case '\'': /* "a'" = a single quoted string */
8876 	case '`': /* "a`" = a backtick quoted string */
8877 		flag = current_quote(cap->oap, cap->count1, include,
8878 								  cap->nchar);
8879 		break;
8880 #if 0	/* TODO */
8881 	case 'S': /* "aS" = a section */
8882 	case 'f': /* "af" = a filename */
8883 	case 'u': /* "au" = a URL */
8884 #endif
8885 	default:
8886 		flag = FAIL;
8887 		break;
8888     }
8889 
8890     curbuf->b_p_mps = mps_save;
8891     if (flag == FAIL)
8892 	clearopbeep(cap->oap);
8893     adjust_cursor_col();
8894     curwin->w_set_curswant = TRUE;
8895 }
8896 #endif
8897 
8898 /*
8899  * "q" command: Start/stop recording.
8900  * "q:", "q/", "q?": edit command-line in command-line window.
8901  */
8902     static void
8903 nv_record(cap)
8904     cmdarg_T	*cap;
8905 {
8906     if (cap->oap->op_type == OP_FORMAT)
8907     {
8908 	/* "gqq" is the same as "gqgq": format line */
8909 	cap->cmdchar = 'g';
8910 	cap->nchar = 'q';
8911 	nv_operator(cap);
8912     }
8913     else if (!checkclearop(cap->oap))
8914     {
8915 #ifdef FEAT_CMDWIN
8916 	if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
8917 	{
8918 	    stuffcharReadbuff(cap->nchar);
8919 	    stuffcharReadbuff(K_CMDWIN);
8920 	}
8921 	else
8922 #endif
8923 	    /* (stop) recording into a named register, unless executing a
8924 	     * register */
8925 	    if (!Exec_reg && do_record(cap->nchar) == FAIL)
8926 		clearopbeep(cap->oap);
8927     }
8928 }
8929 
8930 /*
8931  * Handle the "@r" command.
8932  */
8933     static void
8934 nv_at(cap)
8935     cmdarg_T	*cap;
8936 {
8937     if (checkclearop(cap->oap))
8938 	return;
8939 #ifdef FEAT_EVAL
8940     if (cap->nchar == '=')
8941     {
8942 	if (get_expr_register() == NUL)
8943 	    return;
8944     }
8945 #endif
8946     while (cap->count1-- && !got_int)
8947     {
8948 	if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
8949 	{
8950 	    clearopbeep(cap->oap);
8951 	    break;
8952 	}
8953 	line_breakcheck();
8954     }
8955 }
8956 
8957 /*
8958  * Handle the CTRL-U and CTRL-D commands.
8959  */
8960     static void
8961 nv_halfpage(cap)
8962     cmdarg_T	*cap;
8963 {
8964     if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
8965 	    || (cap->cmdchar == Ctrl_D
8966 		&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
8967 	clearopbeep(cap->oap);
8968     else if (!checkclearop(cap->oap))
8969 	halfpage(cap->cmdchar == Ctrl_D, cap->count0);
8970 }
8971 
8972 /*
8973  * Handle "J" or "gJ" command.
8974  */
8975     static void
8976 nv_join(cap)
8977     cmdarg_T *cap;
8978 {
8979 #ifdef FEAT_VISUAL
8980     if (VIsual_active)	/* join the visual lines */
8981 	nv_operator(cap);
8982     else
8983 #endif
8984 	if (!checkclearop(cap->oap))
8985     {
8986 	if (cap->count0 <= 1)
8987 	    cap->count0 = 2;	    /* default for join is two lines! */
8988 	if (curwin->w_cursor.lnum + cap->count0 - 1 >
8989 						   curbuf->b_ml.ml_line_count)
8990 	    clearopbeep(cap->oap);  /* beyond last line */
8991 	else
8992 	{
8993 	    prep_redo(cap->oap->regname, cap->count0,
8994 			 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
8995 	    do_do_join(cap->count0, cap->nchar == NUL);
8996 	}
8997     }
8998 }
8999 
9000 /*
9001  * "P", "gP", "p" and "gp" commands.
9002  */
9003     static void
9004 nv_put(cap)
9005     cmdarg_T  *cap;
9006 {
9007 #ifdef FEAT_VISUAL
9008     int		regname = 0;
9009     void	*reg1 = NULL, *reg2 = NULL;
9010     int		empty = FALSE;
9011     int		was_visual = FALSE;
9012 #endif
9013     int		dir;
9014     int		flags = 0;
9015 
9016     if (cap->oap->op_type != OP_NOP)
9017     {
9018 #ifdef FEAT_DIFF
9019 	/* "dp" is ":diffput" */
9020 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
9021 	{
9022 	    clearop(cap->oap);
9023 	    nv_diffgetput(TRUE);
9024 	}
9025 	else
9026 #endif
9027 	clearopbeep(cap->oap);
9028     }
9029     else
9030     {
9031 	dir = (cap->cmdchar == 'P'
9032 		|| (cap->cmdchar == 'g' && cap->nchar == 'P'))
9033 							 ? BACKWARD : FORWARD;
9034 	prep_redo_cmd(cap);
9035 	if (cap->cmdchar == 'g')
9036 	    flags |= PUT_CURSEND;
9037 
9038 #ifdef FEAT_VISUAL
9039 	if (VIsual_active)
9040 	{
9041 	    /* Putting in Visual mode: The put text replaces the selected
9042 	     * text.  First delete the selected text, then put the new text.
9043 	     * Need to save and restore the registers that the delete
9044 	     * overwrites if the old contents is being put.
9045 	     */
9046 	    was_visual = TRUE;
9047 	    regname = cap->oap->regname;
9048 # ifdef FEAT_CLIPBOARD
9049 	    adjust_clip_reg(&regname);
9050 # endif
9051 	    if (regname == 0 || VIM_ISDIGIT(regname)
9052 # ifdef FEAT_CLIPBOARD
9053 		    || (clip_unnamed && (regname == '*' || regname == '+'))
9054 # endif
9055 
9056 		    )
9057 	    {
9058 		/* the delete is going to overwrite the register we want to
9059 		 * put, save it first. */
9060 		reg1 = get_register(regname, TRUE);
9061 	    }
9062 
9063 	    /* Now delete the selected text. */
9064 	    cap->cmdchar = 'd';
9065 	    cap->nchar = NUL;
9066 	    cap->oap->regname = NUL;
9067 	    nv_operator(cap);
9068 	    do_pending_operator(cap, 0, FALSE);
9069 	    empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
9070 
9071 	    /* delete PUT_LINE_BACKWARD; */
9072 	    cap->oap->regname = regname;
9073 
9074 	    if (reg1 != NULL)
9075 	    {
9076 		/* Delete probably changed the register we want to put, save
9077 		 * it first. Then put back what was there before the delete. */
9078 		reg2 = get_register(regname, FALSE);
9079 		put_register(regname, reg1);
9080 	    }
9081 
9082 	    /* When deleted a linewise Visual area, put the register as
9083 	     * lines to avoid it joined with the next line.  When deletion was
9084 	     * characterwise, split a line when putting lines. */
9085 	    if (VIsual_mode == 'V')
9086 		flags |= PUT_LINE;
9087 	    else if (VIsual_mode == 'v')
9088 		flags |= PUT_LINE_SPLIT;
9089 	    if (VIsual_mode == Ctrl_V && dir == FORWARD)
9090 		flags |= PUT_LINE_FORWARD;
9091 	    dir = BACKWARD;
9092 	    if ((VIsual_mode != 'V'
9093 			&& curwin->w_cursor.col < curbuf->b_op_start.col)
9094 		    || (VIsual_mode == 'V'
9095 			&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9096 		/* cursor is at the end of the line or end of file, put
9097 		 * forward. */
9098 		dir = FORWARD;
9099 	}
9100 #endif
9101 	do_put(cap->oap->regname, dir, cap->count1, flags);
9102 
9103 #ifdef FEAT_VISUAL
9104 	/* If a register was saved, put it back now. */
9105 	if (reg2 != NULL)
9106 	    put_register(regname, reg2);
9107 
9108 	/* What to reselect with "gv"?  Selecting the just put text seems to
9109 	 * be the most useful, since the original text was removed. */
9110 	if (was_visual)
9111 	{
9112 	    curbuf->b_visual.vi_start = curbuf->b_op_start;
9113 	    curbuf->b_visual.vi_end = curbuf->b_op_end;
9114 	}
9115 
9116 	/* When all lines were selected and deleted do_put() leaves an empty
9117 	 * line that needs to be deleted now. */
9118 	if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9119 	{
9120 	    ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9121 
9122 	    /* If the cursor was in that line, move it to the end of the last
9123 	     * line. */
9124 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9125 	    {
9126 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9127 		coladvance((colnr_T)MAXCOL);
9128 	    }
9129 	}
9130 #endif
9131 	auto_format(FALSE, TRUE);
9132     }
9133 }
9134 
9135 /*
9136  * "o" and "O" commands.
9137  */
9138     static void
9139 nv_open(cap)
9140     cmdarg_T	*cap;
9141 {
9142 #ifdef FEAT_DIFF
9143     /* "do" is ":diffget" */
9144     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9145     {
9146 	clearop(cap->oap);
9147 	nv_diffgetput(FALSE);
9148     }
9149     else
9150 #endif
9151 #ifdef FEAT_VISUAL
9152     if (VIsual_active)  /* switch start and end of visual */
9153 	v_swap_corners(cap->cmdchar);
9154     else
9155 #endif
9156 	n_opencmd(cap);
9157 }
9158 
9159 #ifdef FEAT_SNIFF
9160 /*ARGSUSED*/
9161     static void
9162 nv_sniff(cap)
9163     cmdarg_T	*cap;
9164 {
9165     ProcessSniffRequests();
9166 }
9167 #endif
9168 
9169 #ifdef FEAT_NETBEANS_INTG
9170     static void
9171 nv_nbcmd(cap)
9172     cmdarg_T	*cap;
9173 {
9174     netbeans_keycommand(cap->nchar);
9175 }
9176 #endif
9177 
9178 #ifdef FEAT_DND
9179 /*ARGSUSED*/
9180     static void
9181 nv_drop(cap)
9182     cmdarg_T	*cap;
9183 {
9184     do_put('~', BACKWARD, 1L, PUT_CURSEND);
9185 }
9186 #endif
9187 
9188 #ifdef FEAT_AUTOCMD
9189 /*
9190  * Trigger CursorHold event.
9191  * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9192  * input buffer.  "did_cursorhold" is set to avoid retriggering.
9193  */
9194 /*ARGSUSED*/
9195     static void
9196 nv_cursorhold(cap)
9197     cmdarg_T	*cap;
9198 {
9199     apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9200     did_cursorhold = TRUE;
9201     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
9202 }
9203 #endif
9204