xref: /vim-8.2.3635/src/normal.c (revision 707d226a)
1 /* vi:set ts=8 sts=4 sw=4 noet:
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 static int	VIsual_mode_orig = NUL;		// saved Visual mode
18 static int	restart_VIsual_select = 0;
19 
20 #ifdef FEAT_EVAL
21 static void	set_vcount_ca(cmdarg_T *cap, int *set_prevcount);
22 #endif
23 static int	nv_compare(const void *s1, const void *s2);
24 static void	unshift_special(cmdarg_T *cap);
25 #ifdef FEAT_CMDL_INFO
26 static void	del_from_showcmd(int);
27 #endif
28 
29 /*
30  * nv_*(): functions called to handle Normal and Visual mode commands.
31  * n_*(): functions called to handle Normal mode commands.
32  * v_*(): functions called to handle Visual mode commands.
33  */
34 static void	nv_ignore(cmdarg_T *cap);
35 static void	nv_nop(cmdarg_T *cap);
36 static void	nv_error(cmdarg_T *cap);
37 static void	nv_help(cmdarg_T *cap);
38 static void	nv_addsub(cmdarg_T *cap);
39 static void	nv_page(cmdarg_T *cap);
40 static void	nv_zet(cmdarg_T *cap);
41 #ifdef FEAT_GUI
42 static void	nv_ver_scrollbar(cmdarg_T *cap);
43 static void	nv_hor_scrollbar(cmdarg_T *cap);
44 #endif
45 #ifdef FEAT_GUI_TABLINE
46 static void	nv_tabline(cmdarg_T *cap);
47 static void	nv_tabmenu(cmdarg_T *cap);
48 #endif
49 static void	nv_exmode(cmdarg_T *cap);
50 static void	nv_colon(cmdarg_T *cap);
51 static void	nv_ctrlg(cmdarg_T *cap);
52 static void	nv_ctrlh(cmdarg_T *cap);
53 static void	nv_clear(cmdarg_T *cap);
54 static void	nv_ctrlo(cmdarg_T *cap);
55 static void	nv_hat(cmdarg_T *cap);
56 static void	nv_Zet(cmdarg_T *cap);
57 static void	nv_ident(cmdarg_T *cap);
58 static void	nv_tagpop(cmdarg_T *cap);
59 static void	nv_scroll(cmdarg_T *cap);
60 static void	nv_right(cmdarg_T *cap);
61 static void	nv_left(cmdarg_T *cap);
62 static void	nv_up(cmdarg_T *cap);
63 static void	nv_down(cmdarg_T *cap);
64 static void	nv_end(cmdarg_T *cap);
65 static void	nv_dollar(cmdarg_T *cap);
66 static void	nv_search(cmdarg_T *cap);
67 static void	nv_next(cmdarg_T *cap);
68 static int	normal_search(cmdarg_T *cap, int dir, char_u *pat, int opt, int *wrapped);
69 static void	nv_csearch(cmdarg_T *cap);
70 static void	nv_brackets(cmdarg_T *cap);
71 static void	nv_percent(cmdarg_T *cap);
72 static void	nv_brace(cmdarg_T *cap);
73 static void	nv_mark(cmdarg_T *cap);
74 static void	nv_findpar(cmdarg_T *cap);
75 static void	nv_undo(cmdarg_T *cap);
76 static void	nv_kundo(cmdarg_T *cap);
77 static void	nv_Replace(cmdarg_T *cap);
78 static void	nv_replace(cmdarg_T *cap);
79 static void	nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos);
80 static void	v_visop(cmdarg_T *cap);
81 static void	nv_subst(cmdarg_T *cap);
82 static void	nv_abbrev(cmdarg_T *cap);
83 static void	nv_optrans(cmdarg_T *cap);
84 static void	nv_gomark(cmdarg_T *cap);
85 static void	nv_pcmark(cmdarg_T *cap);
86 static void	nv_regname(cmdarg_T *cap);
87 static void	nv_visual(cmdarg_T *cap);
88 static void	n_start_visual_mode(int c);
89 static void	nv_window(cmdarg_T *cap);
90 static void	nv_suspend(cmdarg_T *cap);
91 static void	nv_g_cmd(cmdarg_T *cap);
92 static void	nv_dot(cmdarg_T *cap);
93 static void	nv_redo(cmdarg_T *cap);
94 static void	nv_Undo(cmdarg_T *cap);
95 static void	nv_tilde(cmdarg_T *cap);
96 static void	nv_operator(cmdarg_T *cap);
97 #ifdef FEAT_EVAL
98 static void	set_op_var(int optype);
99 #endif
100 static void	nv_lineop(cmdarg_T *cap);
101 static void	nv_home(cmdarg_T *cap);
102 static void	nv_pipe(cmdarg_T *cap);
103 static void	nv_bck_word(cmdarg_T *cap);
104 static void	nv_wordcmd(cmdarg_T *cap);
105 static void	nv_beginline(cmdarg_T *cap);
106 static void	adjust_cursor(oparg_T *oap);
107 static void	adjust_for_sel(cmdarg_T *cap);
108 static void	nv_select(cmdarg_T *cap);
109 static void	nv_goto(cmdarg_T *cap);
110 static void	nv_normal(cmdarg_T *cap);
111 static void	nv_esc(cmdarg_T *oap);
112 static void	nv_edit(cmdarg_T *cap);
113 static void	invoke_edit(cmdarg_T *cap, int repl, int cmd, int startln);
114 #ifdef FEAT_TEXTOBJ
115 static void	nv_object(cmdarg_T *cap);
116 #endif
117 static void	nv_record(cmdarg_T *cap);
118 static void	nv_at(cmdarg_T *cap);
119 static void	nv_halfpage(cmdarg_T *cap);
120 static void	nv_join(cmdarg_T *cap);
121 static void	nv_put(cmdarg_T *cap);
122 static void	nv_put_opt(cmdarg_T *cap, int fix_indent);
123 static void	nv_open(cmdarg_T *cap);
124 #ifdef FEAT_NETBEANS_INTG
125 static void	nv_nbcmd(cmdarg_T *cap);
126 #endif
127 #ifdef FEAT_DND
128 static void	nv_drop(cmdarg_T *cap);
129 #endif
130 static void	nv_cursorhold(cmdarg_T *cap);
131 
132 static char *e_noident = N_("E349: No identifier under cursor");
133 
134 /*
135  * Function to be called for a Normal or Visual mode command.
136  * The argument is a cmdarg_T.
137  */
138 typedef void (*nv_func_T)(cmdarg_T *cap);
139 
140 /* Values for cmd_flags. */
141 #define NV_NCH	    0x01	  /* may need to get a second char */
142 #define NV_NCH_NOP  (0x02|NV_NCH) /* get second char when no operator pending */
143 #define NV_NCH_ALW  (0x04|NV_NCH) /* always get a second char */
144 #define NV_LANG	    0x08	/* second char needs language adjustment */
145 
146 #define NV_SS	    0x10	/* may start selection */
147 #define NV_SSS	    0x20	/* may start selection with shift modifier */
148 #define NV_STS	    0x40	/* may stop selection without shift modif. */
149 #define NV_RL	    0x80	/* 'rightleft' modifies command */
150 #define NV_KEEPREG  0x100	/* don't clear regname */
151 #define NV_NCW	    0x200	/* not allowed in command-line window */
152 
153 /*
154  * Generally speaking, every Normal mode command should either clear any
155  * pending operator (with *clearop*()), or set the motion type variable
156  * oap->motion_type.
157  *
158  * When a cursor motion command is made, it is marked as being a character or
159  * line oriented motion.  Then, if an operator is in effect, the operation
160  * becomes character or line oriented accordingly.
161  */
162 
163 /*
164  * This table contains one entry for every Normal or Visual mode command.
165  * The order doesn't matter, init_normal_cmds() will create a sorted index.
166  * It is faster when all keys from zero to '~' are present.
167  */
168 static const struct nv_cmd
169 {
170     int		cmd_char;	/* (first) command character */
171     nv_func_T   cmd_func;	/* function for this command */
172     short_u	cmd_flags;	/* NV_ flags */
173     short	cmd_arg;	/* value for ca.arg */
174 } nv_cmds[] =
175 {
176     {NUL,	nv_error,	0,			0},
177     {Ctrl_A,	nv_addsub,	0,			0},
178     {Ctrl_B,	nv_page,	NV_STS,			BACKWARD},
179     {Ctrl_C,	nv_esc,		0,			TRUE},
180     {Ctrl_D,	nv_halfpage,	0,			0},
181     {Ctrl_E,	nv_scroll_line,	0,			TRUE},
182     {Ctrl_F,	nv_page,	NV_STS,			FORWARD},
183     {Ctrl_G,	nv_ctrlg,	0,			0},
184     {Ctrl_H,	nv_ctrlh,	0,			0},
185     {Ctrl_I,	nv_pcmark,	0,			0},
186     {NL,	nv_down,	0,			FALSE},
187     {Ctrl_K,	nv_error,	0,			0},
188     {Ctrl_L,	nv_clear,	0,			0},
189     {CAR,	nv_down,	0,			TRUE},
190     {Ctrl_N,	nv_down,	NV_STS,			FALSE},
191     {Ctrl_O,	nv_ctrlo,	0,			0},
192     {Ctrl_P,	nv_up,		NV_STS,			FALSE},
193     {Ctrl_Q,	nv_visual,	0,			FALSE},
194     {Ctrl_R,	nv_redo,	0,			0},
195     {Ctrl_S,	nv_ignore,	0,			0},
196     {Ctrl_T,	nv_tagpop,	NV_NCW,			0},
197     {Ctrl_U,	nv_halfpage,	0,			0},
198     {Ctrl_V,	nv_visual,	0,			FALSE},
199     {'V',	nv_visual,	0,			FALSE},
200     {'v',	nv_visual,	0,			FALSE},
201     {Ctrl_W,	nv_window,	0,			0},
202     {Ctrl_X,	nv_addsub,	0,			0},
203     {Ctrl_Y,	nv_scroll_line,	0,			FALSE},
204     {Ctrl_Z,	nv_suspend,	0,			0},
205     {ESC,	nv_esc,		0,			FALSE},
206     {Ctrl_BSL,	nv_normal,	NV_NCH_ALW,		0},
207     {Ctrl_RSB,	nv_ident,	NV_NCW,			0},
208     {Ctrl_HAT,	nv_hat,		NV_NCW,			0},
209     {Ctrl__,	nv_error,	0,			0},
210     {' ',	nv_right,	0,			0},
211     {'!',	nv_operator,	0,			0},
212     {'"',	nv_regname,	NV_NCH_NOP|NV_KEEPREG,	0},
213     {'#',	nv_ident,	0,			0},
214     {'$',	nv_dollar,	0,			0},
215     {'%',	nv_percent,	0,			0},
216     {'&',	nv_optrans,	0,			0},
217     {'\'',	nv_gomark,	NV_NCH_ALW,		TRUE},
218     {'(',	nv_brace,	0,			BACKWARD},
219     {')',	nv_brace,	0,			FORWARD},
220     {'*',	nv_ident,	0,			0},
221     {'+',	nv_down,	0,			TRUE},
222     {',',	nv_csearch,	0,			TRUE},
223     {'-',	nv_up,		0,			TRUE},
224     {'.',	nv_dot,		NV_KEEPREG,		0},
225     {'/',	nv_search,	0,			FALSE},
226     {'0',	nv_beginline,	0,			0},
227     {'1',	nv_ignore,	0,			0},
228     {'2',	nv_ignore,	0,			0},
229     {'3',	nv_ignore,	0,			0},
230     {'4',	nv_ignore,	0,			0},
231     {'5',	nv_ignore,	0,			0},
232     {'6',	nv_ignore,	0,			0},
233     {'7',	nv_ignore,	0,			0},
234     {'8',	nv_ignore,	0,			0},
235     {'9',	nv_ignore,	0,			0},
236     {':',	nv_colon,	0,			0},
237     {';',	nv_csearch,	0,			FALSE},
238     {'<',	nv_operator,	NV_RL,			0},
239     {'=',	nv_operator,	0,			0},
240     {'>',	nv_operator,	NV_RL,			0},
241     {'?',	nv_search,	0,			FALSE},
242     {'@',	nv_at,		NV_NCH_NOP,		FALSE},
243     {'A',	nv_edit,	0,			0},
244     {'B',	nv_bck_word,	0,			1},
245     {'C',	nv_abbrev,	NV_KEEPREG,		0},
246     {'D',	nv_abbrev,	NV_KEEPREG,		0},
247     {'E',	nv_wordcmd,	0,			TRUE},
248     {'F',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
249     {'G',	nv_goto,	0,			TRUE},
250     {'H',	nv_scroll,	0,			0},
251     {'I',	nv_edit,	0,			0},
252     {'J',	nv_join,	0,			0},
253     {'K',	nv_ident,	0,			0},
254     {'L',	nv_scroll,	0,			0},
255     {'M',	nv_scroll,	0,			0},
256     {'N',	nv_next,	0,			SEARCH_REV},
257     {'O',	nv_open,	0,			0},
258     {'P',	nv_put,		0,			0},
259     {'Q',	nv_exmode,	NV_NCW,			0},
260     {'R',	nv_Replace,	0,			FALSE},
261     {'S',	nv_subst,	NV_KEEPREG,		0},
262     {'T',	nv_csearch,	NV_NCH_ALW|NV_LANG,	BACKWARD},
263     {'U',	nv_Undo,	0,			0},
264     {'W',	nv_wordcmd,	0,			TRUE},
265     {'X',	nv_abbrev,	NV_KEEPREG,		0},
266     {'Y',	nv_abbrev,	NV_KEEPREG,		0},
267     {'Z',	nv_Zet,		NV_NCH_NOP|NV_NCW,	0},
268     {'[',	nv_brackets,	NV_NCH_ALW,		BACKWARD},
269     {'\\',	nv_error,	0,			0},
270     {']',	nv_brackets,	NV_NCH_ALW,		FORWARD},
271     {'^',	nv_beginline,	0,			BL_WHITE | BL_FIX},
272     {'_',	nv_lineop,	0,			0},
273     {'`',	nv_gomark,	NV_NCH_ALW,		FALSE},
274     {'a',	nv_edit,	NV_NCH,			0},
275     {'b',	nv_bck_word,	0,			0},
276     {'c',	nv_operator,	0,			0},
277     {'d',	nv_operator,	0,			0},
278     {'e',	nv_wordcmd,	0,			FALSE},
279     {'f',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
280     {'g',	nv_g_cmd,	NV_NCH_ALW,		FALSE},
281     {'h',	nv_left,	NV_RL,			0},
282     {'i',	nv_edit,	NV_NCH,			0},
283     {'j',	nv_down,	0,			FALSE},
284     {'k',	nv_up,		0,			FALSE},
285     {'l',	nv_right,	NV_RL,			0},
286     {'m',	nv_mark,	NV_NCH_NOP,		0},
287     {'n',	nv_next,	0,			0},
288     {'o',	nv_open,	0,			0},
289     {'p',	nv_put,		0,			0},
290     {'q',	nv_record,	NV_NCH,			0},
291     {'r',	nv_replace,	NV_NCH_NOP|NV_LANG,	0},
292     {'s',	nv_subst,	NV_KEEPREG,		0},
293     {'t',	nv_csearch,	NV_NCH_ALW|NV_LANG,	FORWARD},
294     {'u',	nv_undo,	0,			0},
295     {'w',	nv_wordcmd,	0,			FALSE},
296     {'x',	nv_abbrev,	NV_KEEPREG,		0},
297     {'y',	nv_operator,	0,			0},
298     {'z',	nv_zet,		NV_NCH_ALW,		0},
299     {'{',	nv_findpar,	0,			BACKWARD},
300     {'|',	nv_pipe,	0,			0},
301     {'}',	nv_findpar,	0,			FORWARD},
302     {'~',	nv_tilde,	0,			0},
303 
304     /* pound sign */
305     {POUND,	nv_ident,	0,			0},
306     {K_MOUSEUP, nv_mousescroll,	0,			MSCR_UP},
307     {K_MOUSEDOWN, nv_mousescroll, 0,			MSCR_DOWN},
308     {K_MOUSELEFT, nv_mousescroll, 0,			MSCR_LEFT},
309     {K_MOUSERIGHT, nv_mousescroll, 0,			MSCR_RIGHT},
310     {K_LEFTMOUSE, nv_mouse,	0,			0},
311     {K_LEFTMOUSE_NM, nv_mouse,	0,			0},
312     {K_LEFTDRAG, nv_mouse,	0,			0},
313     {K_LEFTRELEASE, nv_mouse,	0,			0},
314     {K_LEFTRELEASE_NM, nv_mouse, 0,			0},
315     {K_MOUSEMOVE, nv_mouse,	0,			0},
316     {K_MIDDLEMOUSE, nv_mouse,	0,			0},
317     {K_MIDDLEDRAG, nv_mouse,	0,			0},
318     {K_MIDDLERELEASE, nv_mouse,	0,			0},
319     {K_RIGHTMOUSE, nv_mouse,	0,			0},
320     {K_RIGHTDRAG, nv_mouse,	0,			0},
321     {K_RIGHTRELEASE, nv_mouse,	0,			0},
322     {K_X1MOUSE, nv_mouse,	0,			0},
323     {K_X1DRAG, nv_mouse,	0,			0},
324     {K_X1RELEASE, nv_mouse,	0,			0},
325     {K_X2MOUSE, nv_mouse,	0,			0},
326     {K_X2DRAG, nv_mouse,	0,			0},
327     {K_X2RELEASE, nv_mouse,	0,			0},
328     {K_IGNORE,	nv_ignore,	NV_KEEPREG,		0},
329     {K_NOP,	nv_nop,		0,			0},
330     {K_INS,	nv_edit,	0,			0},
331     {K_KINS,	nv_edit,	0,			0},
332     {K_BS,	nv_ctrlh,	0,			0},
333     {K_UP,	nv_up,		NV_SSS|NV_STS,		FALSE},
334     {K_S_UP,	nv_page,	NV_SS,			BACKWARD},
335     {K_DOWN,	nv_down,	NV_SSS|NV_STS,		FALSE},
336     {K_S_DOWN,	nv_page,	NV_SS,			FORWARD},
337     {K_LEFT,	nv_left,	NV_SSS|NV_STS|NV_RL,	0},
338     {K_S_LEFT,	nv_bck_word,	NV_SS|NV_RL,		0},
339     {K_C_LEFT,	nv_bck_word,	NV_SSS|NV_RL|NV_STS,	1},
340     {K_RIGHT,	nv_right,	NV_SSS|NV_STS|NV_RL,	0},
341     {K_S_RIGHT,	nv_wordcmd,	NV_SS|NV_RL,		FALSE},
342     {K_C_RIGHT,	nv_wordcmd,	NV_SSS|NV_RL|NV_STS,	TRUE},
343     {K_PAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
344     {K_KPAGEUP,	nv_page,	NV_SSS|NV_STS,		BACKWARD},
345     {K_PAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
346     {K_KPAGEDOWN, nv_page,	NV_SSS|NV_STS,		FORWARD},
347     {K_END,	nv_end,		NV_SSS|NV_STS,		FALSE},
348     {K_KEND,	nv_end,		NV_SSS|NV_STS,		FALSE},
349     {K_S_END,	nv_end,		NV_SS,			FALSE},
350     {K_C_END,	nv_end,		NV_SSS|NV_STS,		TRUE},
351     {K_HOME,	nv_home,	NV_SSS|NV_STS,		0},
352     {K_KHOME,	nv_home,	NV_SSS|NV_STS,		0},
353     {K_S_HOME,	nv_home,	NV_SS,			0},
354     {K_C_HOME,	nv_goto,	NV_SSS|NV_STS,		FALSE},
355     {K_DEL,	nv_abbrev,	0,			0},
356     {K_KDEL,	nv_abbrev,	0,			0},
357     {K_UNDO,	nv_kundo,	0,			0},
358     {K_HELP,	nv_help,	NV_NCW,			0},
359     {K_F1,	nv_help,	NV_NCW,			0},
360     {K_XF1,	nv_help,	NV_NCW,			0},
361     {K_SELECT,	nv_select,	0,			0},
362 #ifdef FEAT_GUI
363     {K_VER_SCROLLBAR, nv_ver_scrollbar, 0,		0},
364     {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0,		0},
365 #endif
366 #ifdef FEAT_GUI_TABLINE
367     {K_TABLINE, nv_tabline,	0,			0},
368     {K_TABMENU, nv_tabmenu,	0,			0},
369 #endif
370 #ifdef FEAT_NETBEANS_INTG
371     {K_F21,	nv_nbcmd,	NV_NCH_ALW,		0},
372 #endif
373 #ifdef FEAT_DND
374     {K_DROP,	nv_drop,	NV_STS,			0},
375 #endif
376     {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG,		0},
377     {K_PS,	nv_edit,	0,			0},
378 };
379 
380 /* Number of commands in nv_cmds[]. */
381 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
382 
383 /* Sorted index of commands in nv_cmds[]. */
384 static short nv_cmd_idx[NV_CMDS_SIZE];
385 
386 /* The highest index for which
387  * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
388 static int nv_max_linear;
389 
390 /*
391  * Compare functions for qsort() below, that checks the command character
392  * through the index in nv_cmd_idx[].
393  */
394     static int
395 nv_compare(const void *s1, const void *s2)
396 {
397     int		c1, c2;
398 
399     /* The commands are sorted on absolute value. */
400     c1 = nv_cmds[*(const short *)s1].cmd_char;
401     c2 = nv_cmds[*(const short *)s2].cmd_char;
402     if (c1 < 0)
403 	c1 = -c1;
404     if (c2 < 0)
405 	c2 = -c2;
406     return c1 - c2;
407 }
408 
409 /*
410  * Initialize the nv_cmd_idx[] table.
411  */
412     void
413 init_normal_cmds(void)
414 {
415     int		i;
416 
417     /* Fill the index table with a one to one relation. */
418     for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
419 	nv_cmd_idx[i] = i;
420 
421     /* Sort the commands by the command character.  */
422     qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
423 
424     /* Find the first entry that can't be indexed by the command character. */
425     for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
426 	if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
427 	    break;
428     nv_max_linear = i - 1;
429 }
430 
431 /*
432  * Search for a command in the commands table.
433  * Returns -1 for invalid command.
434  */
435     static int
436 find_command(int cmdchar)
437 {
438     int		i;
439     int		idx;
440     int		top, bot;
441     int		c;
442 
443     /* A multi-byte character is never a command. */
444     if (cmdchar >= 0x100)
445 	return -1;
446 
447     /* We use the absolute value of the character.  Special keys have a
448      * negative value, but are sorted on their absolute value. */
449     if (cmdchar < 0)
450 	cmdchar = -cmdchar;
451 
452     /* If the character is in the first part: The character is the index into
453      * nv_cmd_idx[]. */
454     if (cmdchar <= nv_max_linear)
455 	return nv_cmd_idx[cmdchar];
456 
457     /* Perform a binary search. */
458     bot = nv_max_linear + 1;
459     top = NV_CMDS_SIZE - 1;
460     idx = -1;
461     while (bot <= top)
462     {
463 	i = (top + bot) / 2;
464 	c = nv_cmds[nv_cmd_idx[i]].cmd_char;
465 	if (c < 0)
466 	    c = -c;
467 	if (cmdchar == c)
468 	{
469 	    idx = nv_cmd_idx[i];
470 	    break;
471 	}
472 	if (cmdchar > c)
473 	    bot = i + 1;
474 	else
475 	    top = i - 1;
476     }
477     return idx;
478 }
479 
480 /*
481  * Execute a command in Normal mode.
482  */
483     void
484 normal_cmd(
485     oparg_T	*oap,
486     int		toplevel UNUSED)	/* TRUE when called from main() */
487 {
488     cmdarg_T	ca;			/* command arguments */
489     int		c;
490     int		ctrl_w = FALSE;		/* got CTRL-W command */
491     int		old_col = curwin->w_curswant;
492 #ifdef FEAT_CMDL_INFO
493     int		need_flushbuf;		/* need to call out_flush() */
494 #endif
495     pos_T	old_pos;		/* cursor position before command */
496     int		mapped_len;
497     static int	old_mapped_len = 0;
498     int		idx;
499 #ifdef FEAT_EVAL
500     int		set_prevcount = FALSE;
501 #endif
502 
503     vim_memset(&ca, 0, sizeof(ca));	/* also resets ca.retval */
504     ca.oap = oap;
505 
506     /* Use a count remembered from before entering an operator.  After typing
507      * "3d" we return from normal_cmd() and come back here, the "3" is
508      * remembered in "opcount". */
509     ca.opcount = opcount;
510 
511     /*
512      * If there is an operator pending, then the command we take this time
513      * will terminate it. Finish_op tells us to finish the operation before
514      * returning this time (unless the operation was cancelled).
515      */
516 #ifdef CURSOR_SHAPE
517     c = finish_op;
518 #endif
519     finish_op = (oap->op_type != OP_NOP);
520 #ifdef CURSOR_SHAPE
521     if (finish_op != c)
522     {
523 	ui_cursor_shape();		/* may show different cursor shape */
524 # ifdef FEAT_MOUSESHAPE
525 	update_mouseshape(-1);
526 # endif
527     }
528 #endif
529 
530     /* When not finishing an operator and no register name typed, reset the
531      * count. */
532     if (!finish_op && !oap->regname)
533     {
534 	ca.opcount = 0;
535 #ifdef FEAT_EVAL
536 	set_prevcount = TRUE;
537 #endif
538     }
539 
540     /* Restore counts from before receiving K_CURSORHOLD.  This means after
541      * typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not
542      * "3 * 2". */
543     if (oap->prev_opcount > 0 || oap->prev_count0 > 0)
544     {
545 	ca.opcount = oap->prev_opcount;
546 	ca.count0 = oap->prev_count0;
547 	oap->prev_opcount = 0;
548 	oap->prev_count0 = 0;
549     }
550 
551     mapped_len = typebuf_maplen();
552 
553     State = NORMAL_BUSY;
554 #ifdef USE_ON_FLY_SCROLL
555     dont_scroll = FALSE;	/* allow scrolling here */
556 #endif
557 
558 #ifdef FEAT_EVAL
559     /* Set v:count here, when called from main() and not a stuffed
560      * command, so that v:count can be used in an expression mapping
561      * when there is no count. Do set it for redo. */
562     if (toplevel && readbuf1_empty())
563 	set_vcount_ca(&ca, &set_prevcount);
564 #endif
565 
566     /*
567      * Get the command character from the user.
568      */
569     c = safe_vgetc();
570     LANGMAP_ADJUST(c, get_real_state() != SELECTMODE);
571 
572     /*
573      * If a mapping was started in Visual or Select mode, remember the length
574      * of the mapping.  This is used below to not return to Insert mode for as
575      * long as the mapping is being executed.
576      */
577     if (restart_edit == 0)
578 	old_mapped_len = 0;
579     else if (old_mapped_len
580 		|| (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
581 	old_mapped_len = typebuf_maplen();
582 
583     if (c == NUL)
584 	c = K_ZERO;
585 
586     /*
587      * In Select mode, typed text replaces the selection.
588      */
589     if (VIsual_active
590 	    && VIsual_select
591 	    && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
592     {
593 	/* Fake a "c"hange command.  When "restart_edit" is set (e.g., because
594 	 * 'insertmode' is set) fake a "d"elete command, Insert mode will
595 	 * restart automatically.
596 	 * Insert the typed character in the typeahead buffer, so that it can
597 	 * be mapped in Insert mode.  Required for ":lmap" to work. */
598 	ins_char_typebuf(c);
599 	if (restart_edit != 0)
600 	    c = 'd';
601 	else
602 	    c = 'c';
603 	msg_nowait = TRUE;	/* don't delay going to insert mode */
604 	old_mapped_len = 0;	/* do go to Insert mode */
605     }
606 
607 #ifdef FEAT_CMDL_INFO
608     need_flushbuf = add_to_showcmd(c);
609 #endif
610 
611 getcount:
612     if (!(VIsual_active && VIsual_select))
613     {
614 	/*
615 	 * Handle a count before a command and compute ca.count0.
616 	 * Note that '0' is a command and not the start of a count, but it's
617 	 * part of a count after other digits.
618 	 */
619 	while (    (c >= '1' && c <= '9')
620 		|| (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
621 	{
622 	    if (c == K_DEL || c == K_KDEL)
623 	    {
624 		ca.count0 /= 10;
625 #ifdef FEAT_CMDL_INFO
626 		del_from_showcmd(4);	/* delete the digit and ~@% */
627 #endif
628 	    }
629 	    else
630 		ca.count0 = ca.count0 * 10 + (c - '0');
631 	    if (ca.count0 < 0)	    /* got too large! */
632 		ca.count0 = 999999999L;
633 #ifdef FEAT_EVAL
634 	    /* Set v:count here, when called from main() and not a stuffed
635 	     * command, so that v:count can be used in an expression mapping
636 	     * right after the count. Do set it for redo. */
637 	    if (toplevel && readbuf1_empty())
638 		set_vcount_ca(&ca, &set_prevcount);
639 #endif
640 	    if (ctrl_w)
641 	    {
642 		++no_mapping;
643 		++allow_keys;		/* no mapping for nchar, but keys */
644 	    }
645 	    ++no_zero_mapping;		/* don't map zero here */
646 	    c = plain_vgetc();
647 	    LANGMAP_ADJUST(c, TRUE);
648 	    --no_zero_mapping;
649 	    if (ctrl_w)
650 	    {
651 		--no_mapping;
652 		--allow_keys;
653 	    }
654 #ifdef FEAT_CMDL_INFO
655 	    need_flushbuf |= add_to_showcmd(c);
656 #endif
657 	}
658 
659 	/*
660 	 * If we got CTRL-W there may be a/another count
661 	 */
662 	if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
663 	{
664 	    ctrl_w = TRUE;
665 	    ca.opcount = ca.count0;	/* remember first count */
666 	    ca.count0 = 0;
667 	    ++no_mapping;
668 	    ++allow_keys;		/* no mapping for nchar, but keys */
669 	    c = plain_vgetc();		/* get next character */
670 	    LANGMAP_ADJUST(c, TRUE);
671 	    --no_mapping;
672 	    --allow_keys;
673 #ifdef FEAT_CMDL_INFO
674 	    need_flushbuf |= add_to_showcmd(c);
675 #endif
676 	    goto getcount;		/* jump back */
677 	}
678     }
679 
680     if (c == K_CURSORHOLD)
681     {
682 	/* Save the count values so that ca.opcount and ca.count0 are exactly
683 	 * the same when coming back here after handling K_CURSORHOLD. */
684 	oap->prev_opcount = ca.opcount;
685 	oap->prev_count0 = ca.count0;
686     }
687     else if (ca.opcount != 0)
688     {
689 	/*
690 	 * If we're in the middle of an operator (including after entering a
691 	 * yank buffer with '"') AND we had a count before the operator, then
692 	 * that count overrides the current value of ca.count0.
693 	 * What this means effectively, is that commands like "3dw" get turned
694 	 * into "d3w" which makes things fall into place pretty neatly.
695 	 * If you give a count before AND after the operator, they are
696 	 * multiplied.
697 	 */
698 	if (ca.count0)
699 	    ca.count0 *= ca.opcount;
700 	else
701 	    ca.count0 = ca.opcount;
702     }
703 
704     /*
705      * Always remember the count.  It will be set to zero (on the next call,
706      * above) when there is no pending operator.
707      * When called from main(), save the count for use by the "count" built-in
708      * variable.
709      */
710     ca.opcount = ca.count0;
711     ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
712 
713 #ifdef FEAT_EVAL
714     /*
715      * Only set v:count when called from main() and not a stuffed command.
716      * Do set it for redo.
717      */
718     if (toplevel && readbuf1_empty())
719 	set_vcount(ca.count0, ca.count1, set_prevcount);
720 #endif
721 
722     /*
723      * Find the command character in the table of commands.
724      * For CTRL-W we already got nchar when looking for a count.
725      */
726     if (ctrl_w)
727     {
728 	ca.nchar = c;
729 	ca.cmdchar = Ctrl_W;
730     }
731     else
732 	ca.cmdchar = c;
733     idx = find_command(ca.cmdchar);
734     if (idx < 0)
735     {
736 	/* Not a known command: beep. */
737 	clearopbeep(oap);
738 	goto normal_end;
739     }
740 
741     if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
742     {
743 	/* This command is not allowed while editing a cmdline: beep. */
744 	clearopbeep(oap);
745 	text_locked_msg();
746 	goto normal_end;
747     }
748     if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
749 	goto normal_end;
750 
751     /*
752      * In Visual/Select mode, a few keys are handled in a special way.
753      */
754     if (VIsual_active)
755     {
756 	/* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
757 	if (km_stopsel
758 		&& (nv_cmds[idx].cmd_flags & NV_STS)
759 		&& !(mod_mask & MOD_MASK_SHIFT))
760 	{
761 	    end_visual_mode();
762 	    redraw_curbuf_later(INVERTED);
763 	}
764 
765 	/* Keys that work different when 'keymodel' contains "startsel" */
766 	if (km_startsel)
767 	{
768 	    if (nv_cmds[idx].cmd_flags & NV_SS)
769 	    {
770 		unshift_special(&ca);
771 		idx = find_command(ca.cmdchar);
772 		if (idx < 0)
773 		{
774 		    /* Just in case */
775 		    clearopbeep(oap);
776 		    goto normal_end;
777 		}
778 	    }
779 	    else if ((nv_cmds[idx].cmd_flags & NV_SSS)
780 					       && (mod_mask & MOD_MASK_SHIFT))
781 		mod_mask &= ~MOD_MASK_SHIFT;
782 	}
783     }
784 
785 #ifdef FEAT_RIGHTLEFT
786     if (curwin->w_p_rl && KeyTyped && !KeyStuffed
787 					  && (nv_cmds[idx].cmd_flags & NV_RL))
788     {
789 	/* Invert horizontal movements and operations.  Only when typed by the
790 	 * user directly, not when the result of a mapping or "x" translated
791 	 * to "dl". */
792 	switch (ca.cmdchar)
793 	{
794 	    case 'l':	    ca.cmdchar = 'h'; break;
795 	    case K_RIGHT:   ca.cmdchar = K_LEFT; break;
796 	    case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
797 	    case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
798 	    case 'h':	    ca.cmdchar = 'l'; break;
799 	    case K_LEFT:    ca.cmdchar = K_RIGHT; break;
800 	    case K_S_LEFT:  ca.cmdchar = K_S_RIGHT; break;
801 	    case K_C_LEFT:  ca.cmdchar = K_C_RIGHT; break;
802 	    case '>':	    ca.cmdchar = '<'; break;
803 	    case '<':	    ca.cmdchar = '>'; break;
804 	}
805 	idx = find_command(ca.cmdchar);
806     }
807 #endif
808 
809     /*
810      * Get an additional character if we need one.
811      */
812     if ((nv_cmds[idx].cmd_flags & NV_NCH)
813 	    && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
814 		    && oap->op_type == OP_NOP)
815 		|| (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
816 		|| (ca.cmdchar == 'q'
817 		    && oap->op_type == OP_NOP
818 		    && reg_recording == 0
819 		    && reg_executing == 0)
820 		|| ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
821 		    && (oap->op_type != OP_NOP || VIsual_active))))
822     {
823 	int	*cp;
824 	int	repl = FALSE;	/* get character for replace mode */
825 	int	lit = FALSE;	/* get extra character literally */
826 	int	langmap_active = FALSE;    /* using :lmap mappings */
827 	int	lang;		/* getting a text character */
828 #ifdef HAVE_INPUT_METHOD
829 	int	save_smd;	/* saved value of p_smd */
830 #endif
831 
832 	++no_mapping;
833 	++allow_keys;		/* no mapping for nchar, but allow key codes */
834 	/* Don't generate a CursorHold event here, most commands can't handle
835 	 * it, e.g., nv_replace(), nv_csearch(). */
836 	did_cursorhold = TRUE;
837 	if (ca.cmdchar == 'g')
838 	{
839 	    /*
840 	     * For 'g' get the next character now, so that we can check for
841 	     * "gr", "g'" and "g`".
842 	     */
843 	    ca.nchar = plain_vgetc();
844 	    LANGMAP_ADJUST(ca.nchar, TRUE);
845 #ifdef FEAT_CMDL_INFO
846 	    need_flushbuf |= add_to_showcmd(ca.nchar);
847 #endif
848 	    if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
849 						       || ca.nchar == Ctrl_BSL)
850 	    {
851 		cp = &ca.extra_char;	/* need to get a third character */
852 		if (ca.nchar != 'r')
853 		    lit = TRUE;			/* get it literally */
854 		else
855 		    repl = TRUE;		/* get it in replace mode */
856 	    }
857 	    else
858 		cp = NULL;		/* no third character needed */
859 	}
860 	else
861 	{
862 	    if (ca.cmdchar == 'r')		/* get it in replace mode */
863 		repl = TRUE;
864 	    cp = &ca.nchar;
865 	}
866 	lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
867 
868 	/*
869 	 * Get a second or third character.
870 	 */
871 	if (cp != NULL)
872 	{
873 	    if (repl)
874 	    {
875 		State = REPLACE;	/* pretend Replace mode */
876 #ifdef CURSOR_SHAPE
877 		ui_cursor_shape();	/* show different cursor shape */
878 #endif
879 	    }
880 	    if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
881 	    {
882 		/* Allow mappings defined with ":lmap". */
883 		--no_mapping;
884 		--allow_keys;
885 		if (repl)
886 		    State = LREPLACE;
887 		else
888 		    State = LANGMAP;
889 		langmap_active = TRUE;
890 	    }
891 #ifdef HAVE_INPUT_METHOD
892 	    save_smd = p_smd;
893 	    p_smd = FALSE;	/* Don't let the IM code show the mode here */
894 	    if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
895 		im_set_active(TRUE);
896 #endif
897 
898 	    *cp = plain_vgetc();
899 
900 	    if (langmap_active)
901 	    {
902 		/* Undo the decrement done above */
903 		++no_mapping;
904 		++allow_keys;
905 		State = NORMAL_BUSY;
906 	    }
907 #ifdef HAVE_INPUT_METHOD
908 	    if (lang)
909 	    {
910 		if (curbuf->b_p_iminsert != B_IMODE_LMAP)
911 		    im_save_status(&curbuf->b_p_iminsert);
912 		im_set_active(FALSE);
913 	    }
914 	    p_smd = save_smd;
915 #endif
916 	    State = NORMAL_BUSY;
917 #ifdef FEAT_CMDL_INFO
918 	    need_flushbuf |= add_to_showcmd(*cp);
919 #endif
920 
921 	    if (!lit)
922 	    {
923 #ifdef FEAT_DIGRAPHS
924 		/* Typing CTRL-K gets a digraph. */
925 		if (*cp == Ctrl_K
926 			&& ((nv_cmds[idx].cmd_flags & NV_LANG)
927 			    || cp == &ca.extra_char)
928 			&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
929 		{
930 		    c = get_digraph(FALSE);
931 		    if (c > 0)
932 		    {
933 			*cp = c;
934 # ifdef FEAT_CMDL_INFO
935 			/* Guessing how to update showcmd here... */
936 			del_from_showcmd(3);
937 			need_flushbuf |= add_to_showcmd(*cp);
938 # endif
939 		    }
940 		}
941 #endif
942 
943 		/* adjust chars > 127, except after "tTfFr" commands */
944 		LANGMAP_ADJUST(*cp, !lang);
945 #ifdef FEAT_RIGHTLEFT
946 		/* adjust Hebrew mapped char */
947 		if (p_hkmap && lang && KeyTyped)
948 		    *cp = hkmap(*cp);
949 #endif
950 	    }
951 
952 	    /*
953 	     * When the next character is CTRL-\ a following CTRL-N means the
954 	     * command is aborted and we go to Normal mode.
955 	     */
956 	    if (cp == &ca.extra_char
957 		    && ca.nchar == Ctrl_BSL
958 		    && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
959 	    {
960 		ca.cmdchar = Ctrl_BSL;
961 		ca.nchar = ca.extra_char;
962 		idx = find_command(ca.cmdchar);
963 	    }
964 	    else if ((ca.nchar == 'n' || ca.nchar == 'N') && ca.cmdchar == 'g')
965 		ca.oap->op_type = get_op_type(*cp, NUL);
966 	    else if (*cp == Ctrl_BSL)
967 	    {
968 		long towait = (p_ttm >= 0 ? p_ttm : p_tm);
969 
970 		/* There is a busy wait here when typing "f<C-\>" and then
971 		 * something different from CTRL-N.  Can't be avoided. */
972 		while ((c = vpeekc()) <= 0 && towait > 0L)
973 		{
974 		    do_sleep(towait > 50L ? 50L : towait);
975 		    towait -= 50L;
976 		}
977 		if (c > 0)
978 		{
979 		    c = plain_vgetc();
980 		    if (c != Ctrl_N && c != Ctrl_G)
981 			vungetc(c);
982 		    else
983 		    {
984 			ca.cmdchar = Ctrl_BSL;
985 			ca.nchar = c;
986 			idx = find_command(ca.cmdchar);
987 		    }
988 		}
989 	    }
990 
991 	    /* When getting a text character and the next character is a
992 	     * multi-byte character, it could be a composing character.
993 	     * However, don't wait for it to arrive. Also, do enable mapping,
994 	     * because if it's put back with vungetc() it's too late to apply
995 	     * mapping. */
996 	    --no_mapping;
997 	    while (enc_utf8 && lang && (c = vpeekc()) > 0
998 				 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
999 	    {
1000 		c = plain_vgetc();
1001 		if (!utf_iscomposing(c))
1002 		{
1003 		    vungetc(c);		/* it wasn't, put it back */
1004 		    break;
1005 		}
1006 		else if (ca.ncharC1 == 0)
1007 		    ca.ncharC1 = c;
1008 		else
1009 		    ca.ncharC2 = c;
1010 	    }
1011 	    ++no_mapping;
1012 	}
1013 	--no_mapping;
1014 	--allow_keys;
1015     }
1016 
1017 #ifdef FEAT_CMDL_INFO
1018     /*
1019      * Flush the showcmd characters onto the screen so we can see them while
1020      * the command is being executed.  Only do this when the shown command was
1021      * actually displayed, otherwise this will slow down a lot when executing
1022      * mappings.
1023      */
1024     if (need_flushbuf)
1025 	out_flush();
1026 #endif
1027     if (ca.cmdchar != K_IGNORE)
1028 	did_cursorhold = FALSE;
1029 
1030     State = NORMAL;
1031 
1032     if (ca.nchar == ESC)
1033     {
1034 	clearop(oap);
1035 	if (restart_edit == 0 && goto_im())
1036 	    restart_edit = 'a';
1037 	goto normal_end;
1038     }
1039 
1040     if (ca.cmdchar != K_IGNORE)
1041     {
1042 	msg_didout = FALSE;    /* don't scroll screen up for normal command */
1043 	msg_col = 0;
1044     }
1045 
1046     old_pos = curwin->w_cursor;		/* remember where cursor was */
1047 
1048     /* When 'keymodel' contains "startsel" some keys start Select/Visual
1049      * mode. */
1050     if (!VIsual_active && km_startsel)
1051     {
1052 	if (nv_cmds[idx].cmd_flags & NV_SS)
1053 	{
1054 	    start_selection();
1055 	    unshift_special(&ca);
1056 	    idx = find_command(ca.cmdchar);
1057 	}
1058 	else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1059 					   && (mod_mask & MOD_MASK_SHIFT))
1060 	{
1061 	    start_selection();
1062 	    mod_mask &= ~MOD_MASK_SHIFT;
1063 	}
1064     }
1065 
1066     /*
1067      * Execute the command!
1068      * Call the command function found in the commands table.
1069      */
1070     ca.arg = nv_cmds[idx].cmd_arg;
1071     (nv_cmds[idx].cmd_func)(&ca);
1072 
1073     /*
1074      * If we didn't start or finish an operator, reset oap->regname, unless we
1075      * need it later.
1076      */
1077     if (!finish_op
1078 	    && !oap->op_type
1079 	    && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1080     {
1081 	clearop(oap);
1082 #ifdef FEAT_EVAL
1083 	{
1084 	    int regname = 0;
1085 
1086 	    /* Adjust the register according to 'clipboard', so that when
1087 	     * "unnamed" is present it becomes '*' or '+' instead of '"'. */
1088 # ifdef FEAT_CLIPBOARD
1089 	    adjust_clip_reg(&regname);
1090 # endif
1091 	    set_reg_var(regname);
1092 	}
1093 #endif
1094     }
1095 
1096     /* Get the length of mapped chars again after typing a count, second
1097      * character or "z333<cr>". */
1098     if (old_mapped_len > 0)
1099 	old_mapped_len = typebuf_maplen();
1100 
1101     /*
1102      * If an operation is pending, handle it.  But not for K_IGNORE.
1103      */
1104     if (ca.cmdchar != K_IGNORE)
1105 	do_pending_operator(&ca, old_col, FALSE);
1106 
1107     /*
1108      * Wait for a moment when a message is displayed that will be overwritten
1109      * by the mode message.
1110      * In Visual mode and with "^O" in Insert mode, a short message will be
1111      * overwritten by the mode message.  Wait a bit, until a key is hit.
1112      * In Visual mode, it's more important to keep the Visual area updated
1113      * than keeping a message (e.g. from a /pat search).
1114      * Only do this if the command was typed, not from a mapping.
1115      * Don't wait when emsg_silent is non-zero.
1116      * Also wait a bit after an error message, e.g. for "^O:".
1117      * Don't redraw the screen, it would remove the message.
1118      */
1119     if (       ((p_smd
1120 		    && msg_silent == 0
1121 		    && (restart_edit != 0
1122 			|| (VIsual_active
1123 			    && old_pos.lnum == curwin->w_cursor.lnum
1124 			    && old_pos.col == curwin->w_cursor.col)
1125 		       )
1126 		    && (clear_cmdline
1127 			|| redraw_cmdline)
1128 		    && (msg_didout || (msg_didany && msg_scroll))
1129 		    && !msg_nowait
1130 		    && KeyTyped)
1131 		|| (restart_edit != 0
1132 		    && !VIsual_active
1133 		    && (msg_scroll
1134 			|| emsg_on_display)))
1135 	    && oap->regname == 0
1136 	    && !(ca.retval & CA_COMMAND_BUSY)
1137 	    && stuff_empty()
1138 	    && typebuf_typed()
1139 	    && emsg_silent == 0
1140 	    && !did_wait_return
1141 	    && oap->op_type == OP_NOP)
1142     {
1143 	int	save_State = State;
1144 
1145 	/* Draw the cursor with the right shape here */
1146 	if (restart_edit != 0)
1147 	    State = INSERT;
1148 
1149 	/* If need to redraw, and there is a "keep_msg", redraw before the
1150 	 * delay */
1151 	if (must_redraw && keep_msg != NULL && !emsg_on_display)
1152 	{
1153 	    char_u	*kmsg;
1154 
1155 	    kmsg = keep_msg;
1156 	    keep_msg = NULL;
1157 	    // showmode() will clear keep_msg, but we want to use it anyway
1158 	    update_screen(0);
1159 	    // now reset it, otherwise it's put in the history again
1160 	    keep_msg = kmsg;
1161 
1162 	    kmsg = vim_strsave(keep_msg);
1163 	    if (kmsg != NULL)
1164 	    {
1165 		msg_attr((char *)kmsg, keep_msg_attr);
1166 		vim_free(kmsg);
1167 	    }
1168 	}
1169 	setcursor();
1170 	cursor_on();
1171 	out_flush();
1172 	if (msg_scroll || emsg_on_display)
1173 	    ui_delay(1003L, TRUE);	/* wait at least one second */
1174 	ui_delay(3003L, FALSE);		/* wait up to three seconds */
1175 	State = save_State;
1176 
1177 	msg_scroll = FALSE;
1178 	emsg_on_display = FALSE;
1179     }
1180 
1181     /*
1182      * Finish up after executing a Normal mode command.
1183      */
1184 normal_end:
1185 
1186     msg_nowait = FALSE;
1187 
1188     /* Reset finish_op, in case it was set */
1189 #ifdef CURSOR_SHAPE
1190     c = finish_op;
1191 #endif
1192     finish_op = FALSE;
1193 #ifdef CURSOR_SHAPE
1194     /* Redraw the cursor with another shape, if we were in Operator-pending
1195      * mode or did a replace command. */
1196     if (c || ca.cmdchar == 'r')
1197     {
1198 	ui_cursor_shape();		/* may show different cursor shape */
1199 # ifdef FEAT_MOUSESHAPE
1200 	update_mouseshape(-1);
1201 # endif
1202     }
1203 #endif
1204 
1205 #ifdef FEAT_CMDL_INFO
1206     if (oap->op_type == OP_NOP && oap->regname == 0
1207 	    && ca.cmdchar != K_CURSORHOLD)
1208 	clear_showcmd();
1209 #endif
1210 
1211     checkpcmark();		/* check if we moved since setting pcmark */
1212     vim_free(ca.searchbuf);
1213 
1214     if (has_mbyte)
1215 	mb_adjust_cursor();
1216 
1217     if (curwin->w_p_scb && toplevel)
1218     {
1219 	validate_cursor();	/* may need to update w_leftcol */
1220 	do_check_scrollbind(TRUE);
1221     }
1222 
1223     if (curwin->w_p_crb && toplevel)
1224     {
1225 	validate_cursor();	/* may need to update w_leftcol */
1226 	do_check_cursorbind();
1227     }
1228 
1229 #ifdef FEAT_TERMINAL
1230     /* don't go to Insert mode if a terminal has a running job */
1231     if (term_job_running(curbuf->b_term))
1232 	restart_edit = 0;
1233 #endif
1234 
1235     /*
1236      * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1237      * if still inside a mapping that started in Visual mode).
1238      * May switch from Visual to Select mode after CTRL-O command.
1239      */
1240     if (       oap->op_type == OP_NOP
1241 	    && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1242 		|| restart_VIsual_select == 1)
1243 	    && !(ca.retval & CA_COMMAND_BUSY)
1244 	    && stuff_empty()
1245 	    && oap->regname == 0)
1246     {
1247 	if (restart_VIsual_select == 1)
1248 	{
1249 	    VIsual_select = TRUE;
1250 	    showmode();
1251 	    restart_VIsual_select = 0;
1252 	}
1253 	if (restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1254 	    (void)edit(restart_edit, FALSE, 1L);
1255     }
1256 
1257     if (restart_VIsual_select == 2)
1258 	restart_VIsual_select = 1;
1259 
1260     /* Save count before an operator for next time. */
1261     opcount = ca.opcount;
1262 }
1263 
1264 #ifdef FEAT_EVAL
1265 /*
1266  * Set v:count and v:count1 according to "cap".
1267  * Set v:prevcount only when "set_prevcount" is TRUE.
1268  */
1269     static void
1270 set_vcount_ca(cmdarg_T *cap, int *set_prevcount)
1271 {
1272     long count = cap->count0;
1273 
1274     /* multiply with cap->opcount the same way as above */
1275     if (cap->opcount != 0)
1276 	count = cap->opcount * (count == 0 ? 1 : count);
1277     set_vcount(count, count == 0 ? 1 : count, *set_prevcount);
1278     *set_prevcount = FALSE;  /* only set v:prevcount once */
1279 }
1280 #endif
1281 
1282 /*
1283  * Check if  highlighting for visual mode is possible, give a warning message
1284  * if not.
1285  */
1286     void
1287 check_visual_highlight(void)
1288 {
1289     static int	    did_check = FALSE;
1290 
1291     if (full_screen)
1292     {
1293 	if (!did_check && HL_ATTR(HLF_V) == 0)
1294 	    msg(_("Warning: terminal cannot highlight"));
1295 	did_check = TRUE;
1296     }
1297 }
1298 
1299 /*
1300  * End Visual mode.
1301  * This function should ALWAYS be called to end Visual mode, except from
1302  * do_pending_operator().
1303  */
1304     void
1305 end_visual_mode(void)
1306 {
1307 #ifdef FEAT_CLIPBOARD
1308     /*
1309      * If we are using the clipboard, then remember what was selected in case
1310      * we need to paste it somewhere while we still own the selection.
1311      * Only do this when the clipboard is already owned.  Don't want to grab
1312      * the selection when hitting ESC.
1313      */
1314     if (clip_star.available && clip_star.owned)
1315 	clip_auto_select();
1316 #endif
1317 
1318     VIsual_active = FALSE;
1319     setmouse();
1320     mouse_dragging = 0;
1321 
1322     /* Save the current VIsual area for '< and '> marks, and "gv" */
1323     curbuf->b_visual.vi_mode = VIsual_mode;
1324     curbuf->b_visual.vi_start = VIsual;
1325     curbuf->b_visual.vi_end = curwin->w_cursor;
1326     curbuf->b_visual.vi_curswant = curwin->w_curswant;
1327 #ifdef FEAT_EVAL
1328     curbuf->b_visual_mode_eval = VIsual_mode;
1329 #endif
1330     if (!virtual_active())
1331 	curwin->w_cursor.coladd = 0;
1332     may_clear_cmdline();
1333 
1334     adjust_cursor_eol();
1335 }
1336 
1337 /*
1338  * Reset VIsual_active and VIsual_reselect.
1339  */
1340     void
1341 reset_VIsual_and_resel(void)
1342 {
1343     if (VIsual_active)
1344     {
1345 	end_visual_mode();
1346 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
1347     }
1348     VIsual_reselect = FALSE;
1349 }
1350 
1351 /*
1352  * Reset VIsual_active and VIsual_reselect if it's set.
1353  */
1354     void
1355 reset_VIsual(void)
1356 {
1357     if (VIsual_active)
1358     {
1359 	end_visual_mode();
1360 	redraw_curbuf_later(INVERTED);	/* delete the inversion later */
1361 	VIsual_reselect = FALSE;
1362     }
1363 }
1364 
1365     void
1366 restore_visual_mode(void)
1367 {
1368     if (VIsual_mode_orig != NUL)
1369     {
1370 	curbuf->b_visual.vi_mode = VIsual_mode_orig;
1371 	VIsual_mode_orig = NUL;
1372     }
1373 }
1374 
1375 /*
1376  * Check for a balloon-eval special item to include when searching for an
1377  * identifier.  When "dir" is BACKWARD "ptr[-1]" must be valid!
1378  * Returns TRUE if the character at "*ptr" should be included.
1379  * "dir" is FORWARD or BACKWARD, the direction of searching.
1380  * "*colp" is in/decremented if "ptr[-dir]" should also be included.
1381  * "bnp" points to a counter for square brackets.
1382  */
1383     static int
1384 find_is_eval_item(
1385     char_u	*ptr,
1386     int		*colp,
1387     int		*bnp,
1388     int		dir)
1389 {
1390     /* Accept everything inside []. */
1391     if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
1392 	++*bnp;
1393     if (*bnp > 0)
1394     {
1395 	if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
1396 	    --*bnp;
1397 	return TRUE;
1398     }
1399 
1400     /* skip over "s.var" */
1401     if (*ptr == '.')
1402 	return TRUE;
1403 
1404     /* two-character item: s->var */
1405     if (ptr[dir == BACKWARD ? 0 : 1] == '>'
1406 	    && ptr[dir == BACKWARD ? -1 : 0] == '-')
1407     {
1408 	*colp += dir;
1409 	return TRUE;
1410     }
1411     return FALSE;
1412 }
1413 
1414 /*
1415  * Find the identifier under or to the right of the cursor.
1416  * "find_type" can have one of three values:
1417  * FIND_IDENT:   find an identifier (keyword)
1418  * FIND_STRING:  find any non-white text
1419  * FIND_IDENT + FIND_STRING: find any non-white text, identifier preferred.
1420  * FIND_EVAL:	 find text useful for C program debugging
1421  *
1422  * There are three steps:
1423  * 1. Search forward for the start of an identifier/text.  Doesn't move if
1424  *    already on one.
1425  * 2. Search backward for the start of this identifier/text.
1426  *    This doesn't match the real Vi but I like it a little better and it
1427  *    shouldn't bother anyone.
1428  * 3. Search forward to the end of this identifier/text.
1429  *    When FIND_IDENT isn't defined, we backup until a blank.
1430  *
1431  * Returns the length of the text, or zero if no text is found.
1432  * If text is found, a pointer to the text is put in "*text".  This
1433  * points into the current buffer line and is not always NUL terminated.
1434  */
1435     int
1436 find_ident_under_cursor(char_u **text, int find_type)
1437 {
1438     return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
1439 				curwin->w_cursor.col, text, NULL, find_type);
1440 }
1441 
1442 /*
1443  * Like find_ident_under_cursor(), but for any window and any position.
1444  * However: Uses 'iskeyword' from the current window!.
1445  */
1446     int
1447 find_ident_at_pos(
1448     win_T	*wp,
1449     linenr_T	lnum,
1450     colnr_T	startcol,
1451     char_u	**text,
1452     int		*textcol,	// column where "text" starts, can be NULL
1453     int		find_type)
1454 {
1455     char_u	*ptr;
1456     int		col = 0;	// init to shut up GCC
1457     int		i;
1458     int		this_class = 0;
1459     int		prev_class;
1460     int		prevcol;
1461     int		bn = 0;		// bracket nesting
1462 
1463     /*
1464      * if i == 0: try to find an identifier
1465      * if i == 1: try to find any non-white text
1466      */
1467     ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
1468     for (i = (find_type & FIND_IDENT) ? 0 : 1;	i < 2; ++i)
1469     {
1470 	/*
1471 	 * 1. skip to start of identifier/text
1472 	 */
1473 	col = startcol;
1474 	if (has_mbyte)
1475 	{
1476 	    while (ptr[col] != NUL)
1477 	    {
1478 		// Stop at a ']' to evaluate "a[x]".
1479 		if ((find_type & FIND_EVAL) && ptr[col] == ']')
1480 		    break;
1481 		this_class = mb_get_class(ptr + col);
1482 		if (this_class != 0 && (i == 1 || this_class != 1))
1483 		    break;
1484 		col += (*mb_ptr2len)(ptr + col);
1485 	    }
1486 	}
1487 	else
1488 	    while (ptr[col] != NUL
1489 		    && (i == 0 ? !vim_iswordc(ptr[col]) : VIM_ISWHITE(ptr[col]))
1490 		    && (!(find_type & FIND_EVAL) || ptr[col] != ']')
1491 		    )
1492 		++col;
1493 
1494 	// When starting on a ']' count it, so that we include the '['.
1495 	bn = ptr[col] == ']';
1496 
1497 	/*
1498 	 * 2. Back up to start of identifier/text.
1499 	 */
1500 	if (has_mbyte)
1501 	{
1502 	    /* Remember class of character under cursor. */
1503 	    if ((find_type & FIND_EVAL) && ptr[col] == ']')
1504 		this_class = mb_get_class((char_u *)"a");
1505 	    else
1506 		this_class = mb_get_class(ptr + col);
1507 	    while (col > 0 && this_class != 0)
1508 	    {
1509 		prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
1510 		prev_class = mb_get_class(ptr + prevcol);
1511 		if (this_class != prev_class
1512 			&& (i == 0
1513 			    || prev_class == 0
1514 			    || (find_type & FIND_IDENT))
1515 			&& (!(find_type & FIND_EVAL)
1516 			    || prevcol == 0
1517 			    || !find_is_eval_item(ptr + prevcol, &prevcol,
1518 							       &bn, BACKWARD))
1519 			)
1520 		    break;
1521 		col = prevcol;
1522 	    }
1523 
1524 	    // If we don't want just any old text, or we've found an
1525 	    // identifier, stop searching.
1526 	    if (this_class > 2)
1527 		this_class = 2;
1528 	    if (!(find_type & FIND_STRING) || this_class == 2)
1529 		break;
1530 	}
1531 	else
1532 	{
1533 	    while (col > 0
1534 		    && ((i == 0
1535 			    ? vim_iswordc(ptr[col - 1])
1536 			    : (!VIM_ISWHITE(ptr[col - 1])
1537 				&& (!(find_type & FIND_IDENT)
1538 				    || !vim_iswordc(ptr[col - 1]))))
1539 			|| ((find_type & FIND_EVAL)
1540 			    && col > 1
1541 			    && find_is_eval_item(ptr + col - 1, &col,
1542 							       &bn, BACKWARD))
1543 			))
1544 		--col;
1545 
1546 	    // If we don't want just any old text, or we've found an
1547 	    // identifier, stop searching.
1548 	    if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
1549 		break;
1550 	}
1551     }
1552 
1553     if (ptr[col] == NUL || (i == 0
1554 		&& (has_mbyte ? this_class != 2 : !vim_iswordc(ptr[col]))))
1555     {
1556 	// didn't find an identifier or text
1557 	if ((find_type & FIND_NOERROR) == 0)
1558 	{
1559 	    if (find_type & FIND_STRING)
1560 		emsg(_("E348: No string under cursor"));
1561 	    else
1562 		emsg(_(e_noident));
1563 	}
1564 	return 0;
1565     }
1566     ptr += col;
1567     *text = ptr;
1568     if (textcol != NULL)
1569 	*textcol = col;
1570 
1571     /*
1572      * 3. Find the end if the identifier/text.
1573      */
1574     bn = 0;
1575     startcol -= col;
1576     col = 0;
1577     if (has_mbyte)
1578     {
1579 	// Search for point of changing multibyte character class.
1580 	this_class = mb_get_class(ptr);
1581 	while (ptr[col] != NUL
1582 		&& ((i == 0 ? mb_get_class(ptr + col) == this_class
1583 			    : mb_get_class(ptr + col) != 0)
1584 		    || ((find_type & FIND_EVAL)
1585 			&& col <= (int)startcol
1586 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
1587 		))
1588 	    col += (*mb_ptr2len)(ptr + col);
1589     }
1590     else
1591 	while ((i == 0 ? vim_iswordc(ptr[col])
1592 		       : (ptr[col] != NUL && !VIM_ISWHITE(ptr[col])))
1593 		    || ((find_type & FIND_EVAL)
1594 			&& col <= (int)startcol
1595 			&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
1596 		)
1597 	    ++col;
1598 
1599     return col;
1600 }
1601 
1602 /*
1603  * Prepare for redo of a normal command.
1604  */
1605     static void
1606 prep_redo_cmd(cmdarg_T *cap)
1607 {
1608     prep_redo(cap->oap->regname, cap->count0,
1609 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
1610 }
1611 
1612 /*
1613  * Prepare for redo of any command.
1614  * Note that only the last argument can be a multi-byte char.
1615  */
1616     void
1617 prep_redo(
1618     int	    regname,
1619     long    num,
1620     int	    cmd1,
1621     int	    cmd2,
1622     int	    cmd3,
1623     int	    cmd4,
1624     int	    cmd5)
1625 {
1626     ResetRedobuff();
1627     if (regname != 0)	/* yank from specified buffer */
1628     {
1629 	AppendCharToRedobuff('"');
1630 	AppendCharToRedobuff(regname);
1631     }
1632     if (num)
1633 	AppendNumberToRedobuff(num);
1634 
1635     if (cmd1 != NUL)
1636 	AppendCharToRedobuff(cmd1);
1637     if (cmd2 != NUL)
1638 	AppendCharToRedobuff(cmd2);
1639     if (cmd3 != NUL)
1640 	AppendCharToRedobuff(cmd3);
1641     if (cmd4 != NUL)
1642 	AppendCharToRedobuff(cmd4);
1643     if (cmd5 != NUL)
1644 	AppendCharToRedobuff(cmd5);
1645 }
1646 
1647 /*
1648  * check for operator active and clear it
1649  *
1650  * return TRUE if operator was active
1651  */
1652     static int
1653 checkclearop(oparg_T *oap)
1654 {
1655     if (oap->op_type == OP_NOP)
1656 	return FALSE;
1657     clearopbeep(oap);
1658     return TRUE;
1659 }
1660 
1661 /*
1662  * Check for operator or Visual active.  Clear active operator.
1663  *
1664  * Return TRUE if operator or Visual was active.
1665  */
1666     static int
1667 checkclearopq(oparg_T *oap)
1668 {
1669     if (oap->op_type == OP_NOP && !VIsual_active)
1670 	return FALSE;
1671     clearopbeep(oap);
1672     return TRUE;
1673 }
1674 
1675     void
1676 clearop(oparg_T *oap)
1677 {
1678     oap->op_type = OP_NOP;
1679     oap->regname = 0;
1680     oap->motion_force = NUL;
1681     oap->use_reg_one = FALSE;
1682 }
1683 
1684     void
1685 clearopbeep(oparg_T *oap)
1686 {
1687     clearop(oap);
1688     beep_flush();
1689 }
1690 
1691 /*
1692  * Remove the shift modifier from a special key.
1693  */
1694     static void
1695 unshift_special(cmdarg_T *cap)
1696 {
1697     switch (cap->cmdchar)
1698     {
1699 	case K_S_RIGHT:	cap->cmdchar = K_RIGHT; break;
1700 	case K_S_LEFT:	cap->cmdchar = K_LEFT; break;
1701 	case K_S_UP:	cap->cmdchar = K_UP; break;
1702 	case K_S_DOWN:	cap->cmdchar = K_DOWN; break;
1703 	case K_S_HOME:	cap->cmdchar = K_HOME; break;
1704 	case K_S_END:	cap->cmdchar = K_END; break;
1705     }
1706     cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
1707 }
1708 
1709 /*
1710  * If the mode is currently displayed clear the command line or update the
1711  * command displayed.
1712  */
1713     void
1714 may_clear_cmdline(void)
1715 {
1716     if (mode_displayed)
1717 	clear_cmdline = TRUE;   /* unshow visual mode later */
1718 #ifdef FEAT_CMDL_INFO
1719     else
1720 	clear_showcmd();
1721 #endif
1722 }
1723 
1724 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
1725 /*
1726  * Routines for displaying a partly typed command
1727  */
1728 
1729 #define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
1730 static char_u	showcmd_buf[SHOWCMD_BUFLEN];
1731 static char_u	old_showcmd_buf[SHOWCMD_BUFLEN];  /* For push_showcmd() */
1732 static int	showcmd_is_clear = TRUE;
1733 static int	showcmd_visual = FALSE;
1734 
1735 static void display_showcmd(void);
1736 
1737     void
1738 clear_showcmd(void)
1739 {
1740     if (!p_sc)
1741 	return;
1742 
1743     if (VIsual_active && !char_avail())
1744     {
1745 	int		cursor_bot = LT_POS(VIsual, curwin->w_cursor);
1746 	long		lines;
1747 	colnr_T		leftcol, rightcol;
1748 	linenr_T	top, bot;
1749 
1750 	/* Show the size of the Visual area. */
1751 	if (cursor_bot)
1752 	{
1753 	    top = VIsual.lnum;
1754 	    bot = curwin->w_cursor.lnum;
1755 	}
1756 	else
1757 	{
1758 	    top = curwin->w_cursor.lnum;
1759 	    bot = VIsual.lnum;
1760 	}
1761 # ifdef FEAT_FOLDING
1762 	/* Include closed folds as a whole. */
1763 	(void)hasFolding(top, &top, NULL);
1764 	(void)hasFolding(bot, NULL, &bot);
1765 # endif
1766 	lines = bot - top + 1;
1767 
1768 	if (VIsual_mode == Ctrl_V)
1769 	{
1770 # ifdef FEAT_LINEBREAK
1771 	    char_u *saved_sbr = p_sbr;
1772 	    char_u *saved_w_sbr = curwin->w_p_sbr;
1773 
1774 	    /* Make 'sbr' empty for a moment to get the correct size. */
1775 	    p_sbr = empty_option;
1776 	    curwin->w_p_sbr = empty_option;
1777 # endif
1778 	    getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
1779 # ifdef FEAT_LINEBREAK
1780 	    p_sbr = saved_sbr;
1781 	    curwin->w_p_sbr = saved_w_sbr;
1782 # endif
1783 	    sprintf((char *)showcmd_buf, "%ldx%ld", lines,
1784 					      (long)(rightcol - leftcol + 1));
1785 	}
1786 	else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
1787 	    sprintf((char *)showcmd_buf, "%ld", lines);
1788 	else
1789 	{
1790 	    char_u  *s, *e;
1791 	    int	    l;
1792 	    int	    bytes = 0;
1793 	    int	    chars = 0;
1794 
1795 	    if (cursor_bot)
1796 	    {
1797 		s = ml_get_pos(&VIsual);
1798 		e = ml_get_cursor();
1799 	    }
1800 	    else
1801 	    {
1802 		s = ml_get_cursor();
1803 		e = ml_get_pos(&VIsual);
1804 	    }
1805 	    while ((*p_sel != 'e') ? s <= e : s < e)
1806 	    {
1807 		l = (*mb_ptr2len)(s);
1808 		if (l == 0)
1809 		{
1810 		    ++bytes;
1811 		    ++chars;
1812 		    break;  /* end of line */
1813 		}
1814 		bytes += l;
1815 		++chars;
1816 		s += l;
1817 	    }
1818 	    if (bytes == chars)
1819 		sprintf((char *)showcmd_buf, "%d", chars);
1820 	    else
1821 		sprintf((char *)showcmd_buf, "%d-%d", chars, bytes);
1822 	}
1823 	showcmd_buf[SHOWCMD_COLS] = NUL;	/* truncate */
1824 	showcmd_visual = TRUE;
1825     }
1826     else
1827     {
1828 	showcmd_buf[0] = NUL;
1829 	showcmd_visual = FALSE;
1830 
1831 	/* Don't actually display something if there is nothing to clear. */
1832 	if (showcmd_is_clear)
1833 	    return;
1834     }
1835 
1836     display_showcmd();
1837 }
1838 
1839 /*
1840  * Add 'c' to string of shown command chars.
1841  * Return TRUE if output has been written (and setcursor() has been called).
1842  */
1843     int
1844 add_to_showcmd(int c)
1845 {
1846     char_u	*p;
1847     int		old_len;
1848     int		extra_len;
1849     int		overflow;
1850     int		i;
1851     static int	ignore[] =
1852     {
1853 #ifdef FEAT_GUI
1854 	K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
1855 	K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
1856 #endif
1857 	K_IGNORE, K_PS,
1858 	K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE, K_MOUSEMOVE,
1859 	K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
1860 	K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
1861 	K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT,
1862 	K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
1863 	K_CURSORHOLD,
1864 	0
1865     };
1866 
1867     if (!p_sc || msg_silent != 0)
1868 	return FALSE;
1869 
1870     if (showcmd_visual)
1871     {
1872 	showcmd_buf[0] = NUL;
1873 	showcmd_visual = FALSE;
1874     }
1875 
1876     /* Ignore keys that are scrollbar updates and mouse clicks */
1877     if (IS_SPECIAL(c))
1878 	for (i = 0; ignore[i] != 0; ++i)
1879 	    if (ignore[i] == c)
1880 		return FALSE;
1881 
1882     p = transchar(c);
1883     if (*p == ' ')
1884 	STRCPY(p, "<20>");
1885     old_len = (int)STRLEN(showcmd_buf);
1886     extra_len = (int)STRLEN(p);
1887     overflow = old_len + extra_len - SHOWCMD_COLS;
1888     if (overflow > 0)
1889 	mch_memmove(showcmd_buf, showcmd_buf + overflow,
1890 						      old_len - overflow + 1);
1891     STRCAT(showcmd_buf, p);
1892 
1893     if (char_avail())
1894 	return FALSE;
1895 
1896     display_showcmd();
1897 
1898     return TRUE;
1899 }
1900 
1901     void
1902 add_to_showcmd_c(int c)
1903 {
1904     if (!add_to_showcmd(c))
1905 	setcursor();
1906 }
1907 
1908 /*
1909  * Delete 'len' characters from the end of the shown command.
1910  */
1911     static void
1912 del_from_showcmd(int len)
1913 {
1914     int	    old_len;
1915 
1916     if (!p_sc)
1917 	return;
1918 
1919     old_len = (int)STRLEN(showcmd_buf);
1920     if (len > old_len)
1921 	len = old_len;
1922     showcmd_buf[old_len - len] = NUL;
1923 
1924     if (!char_avail())
1925 	display_showcmd();
1926 }
1927 
1928 /*
1929  * push_showcmd() and pop_showcmd() are used when waiting for the user to type
1930  * something and there is a partial mapping.
1931  */
1932     void
1933 push_showcmd(void)
1934 {
1935     if (p_sc)
1936 	STRCPY(old_showcmd_buf, showcmd_buf);
1937 }
1938 
1939     void
1940 pop_showcmd(void)
1941 {
1942     if (!p_sc)
1943 	return;
1944 
1945     STRCPY(showcmd_buf, old_showcmd_buf);
1946 
1947     display_showcmd();
1948 }
1949 
1950     static void
1951 display_showcmd(void)
1952 {
1953     int	    len;
1954 
1955     cursor_off();
1956 
1957     len = (int)STRLEN(showcmd_buf);
1958     if (len == 0)
1959 	showcmd_is_clear = TRUE;
1960     else
1961     {
1962 	screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
1963 	showcmd_is_clear = FALSE;
1964     }
1965 
1966     /*
1967      * clear the rest of an old message by outputting up to SHOWCMD_COLS
1968      * spaces
1969      */
1970     screen_puts((char_u *)"          " + len, (int)Rows - 1, sc_col + len, 0);
1971 
1972     setcursor();	    /* put cursor back where it belongs */
1973 }
1974 #endif
1975 
1976 /*
1977  * When "check" is FALSE, prepare for commands that scroll the window.
1978  * When "check" is TRUE, take care of scroll-binding after the window has
1979  * scrolled.  Called from normal_cmd() and edit().
1980  */
1981     void
1982 do_check_scrollbind(int check)
1983 {
1984     static win_T	*old_curwin = NULL;
1985     static linenr_T	old_topline = 0;
1986 #ifdef FEAT_DIFF
1987     static int		old_topfill = 0;
1988 #endif
1989     static buf_T	*old_buf = NULL;
1990     static colnr_T	old_leftcol = 0;
1991 
1992     if (check && curwin->w_p_scb)
1993     {
1994 	/* If a ":syncbind" command was just used, don't scroll, only reset
1995 	 * the values. */
1996 	if (did_syncbind)
1997 	    did_syncbind = FALSE;
1998 	else if (curwin == old_curwin)
1999 	{
2000 	    /*
2001 	     * Synchronize other windows, as necessary according to
2002 	     * 'scrollbind'.  Don't do this after an ":edit" command, except
2003 	     * when 'diff' is set.
2004 	     */
2005 	    if ((curwin->w_buffer == old_buf
2006 #ifdef FEAT_DIFF
2007 			|| curwin->w_p_diff
2008 #endif
2009 		)
2010 		&& (curwin->w_topline != old_topline
2011 #ifdef FEAT_DIFF
2012 			|| curwin->w_topfill != old_topfill
2013 #endif
2014 			|| curwin->w_leftcol != old_leftcol))
2015 	    {
2016 		check_scrollbind(curwin->w_topline - old_topline,
2017 			(long)(curwin->w_leftcol - old_leftcol));
2018 	    }
2019 	}
2020 	else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
2021 	{
2022 	    /*
2023 	     * When switching between windows, make sure that the relative
2024 	     * vertical offset is valid for the new window.  The relative
2025 	     * offset is invalid whenever another 'scrollbind' window has
2026 	     * scrolled to a point that would force the current window to
2027 	     * scroll past the beginning or end of its buffer.  When the
2028 	     * resync is performed, some of the other 'scrollbind' windows may
2029 	     * need to jump so that the current window's relative position is
2030 	     * visible on-screen.
2031 	     */
2032 	    check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
2033 	}
2034 	curwin->w_scbind_pos = curwin->w_topline;
2035     }
2036 
2037     old_curwin = curwin;
2038     old_topline = curwin->w_topline;
2039 #ifdef FEAT_DIFF
2040     old_topfill = curwin->w_topfill;
2041 #endif
2042     old_buf = curwin->w_buffer;
2043     old_leftcol = curwin->w_leftcol;
2044 }
2045 
2046 /*
2047  * Synchronize any windows that have "scrollbind" set, based on the
2048  * number of rows by which the current window has changed
2049  * (1998-11-02 16:21:01  R. Edward Ralston <[email protected]>)
2050  */
2051     void
2052 check_scrollbind(linenr_T topline_diff, long leftcol_diff)
2053 {
2054     int		want_ver;
2055     int		want_hor;
2056     win_T	*old_curwin = curwin;
2057     buf_T	*old_curbuf = curbuf;
2058     int		old_VIsual_select = VIsual_select;
2059     int		old_VIsual_active = VIsual_active;
2060     colnr_T	tgt_leftcol = curwin->w_leftcol;
2061     long	topline;
2062     long	y;
2063 
2064     /*
2065      * check 'scrollopt' string for vertical and horizontal scroll options
2066      */
2067     want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
2068 #ifdef FEAT_DIFF
2069     want_ver |= old_curwin->w_p_diff;
2070 #endif
2071     want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
2072 
2073     /*
2074      * loop through the scrollbound windows and scroll accordingly
2075      */
2076     VIsual_select = VIsual_active = 0;
2077     FOR_ALL_WINDOWS(curwin)
2078     {
2079 	curbuf = curwin->w_buffer;
2080 	/* skip original window  and windows with 'noscrollbind' */
2081 	if (curwin != old_curwin && curwin->w_p_scb)
2082 	{
2083 	    /*
2084 	     * do the vertical scroll
2085 	     */
2086 	    if (want_ver)
2087 	    {
2088 #ifdef FEAT_DIFF
2089 		if (old_curwin->w_p_diff && curwin->w_p_diff)
2090 		{
2091 		    diff_set_topline(old_curwin, curwin);
2092 		}
2093 		else
2094 #endif
2095 		{
2096 		    curwin->w_scbind_pos += topline_diff;
2097 		    topline = curwin->w_scbind_pos;
2098 		    if (topline > curbuf->b_ml.ml_line_count)
2099 			topline = curbuf->b_ml.ml_line_count;
2100 		    if (topline < 1)
2101 			topline = 1;
2102 
2103 		    y = topline - curwin->w_topline;
2104 		    if (y > 0)
2105 			scrollup(y, FALSE);
2106 		    else
2107 			scrolldown(-y, FALSE);
2108 		}
2109 
2110 		redraw_later(VALID);
2111 		cursor_correct();
2112 		curwin->w_redr_status = TRUE;
2113 	    }
2114 
2115 	    /*
2116 	     * do the horizontal scroll
2117 	     */
2118 	    if (want_hor && curwin->w_leftcol != tgt_leftcol)
2119 	    {
2120 		curwin->w_leftcol = tgt_leftcol;
2121 		leftcol_changed();
2122 	    }
2123 	}
2124     }
2125 
2126     /*
2127      * reset current-window
2128      */
2129     VIsual_select = old_VIsual_select;
2130     VIsual_active = old_VIsual_active;
2131     curwin = old_curwin;
2132     curbuf = old_curbuf;
2133 }
2134 
2135 /*
2136  * Command character that's ignored.
2137  * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
2138  * xon/xoff.
2139  */
2140     static void
2141 nv_ignore(cmdarg_T *cap)
2142 {
2143     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
2144 }
2145 
2146 /*
2147  * Command character that doesn't do anything, but unlike nv_ignore() does
2148  * start edit().  Used for "startinsert" executed while starting up.
2149  */
2150     static void
2151 nv_nop(cmdarg_T *cap UNUSED)
2152 {
2153 }
2154 
2155 /*
2156  * Command character doesn't exist.
2157  */
2158     static void
2159 nv_error(cmdarg_T *cap)
2160 {
2161     clearopbeep(cap->oap);
2162 }
2163 
2164 /*
2165  * <Help> and <F1> commands.
2166  */
2167     static void
2168 nv_help(cmdarg_T *cap)
2169 {
2170     if (!checkclearopq(cap->oap))
2171 	ex_help(NULL);
2172 }
2173 
2174 /*
2175  * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
2176  */
2177     static void
2178 nv_addsub(cmdarg_T *cap)
2179 {
2180 #ifdef FEAT_JOB_CHANNEL
2181     if (bt_prompt(curbuf) && !prompt_curpos_editable())
2182 	clearopbeep(cap->oap);
2183     else
2184 #endif
2185     if (!VIsual_active && cap->oap->op_type == OP_NOP)
2186     {
2187 	prep_redo_cmd(cap);
2188 	cap->oap->op_type = cap->cmdchar == Ctrl_A ?  OP_NR_ADD : OP_NR_SUB;
2189 	op_addsub(cap->oap, cap->count1, cap->arg);
2190 	cap->oap->op_type = OP_NOP;
2191     }
2192     else if (VIsual_active)
2193 	nv_operator(cap);
2194     else
2195 	clearop(cap->oap);
2196 }
2197 
2198 /*
2199  * CTRL-F, CTRL-B, etc: Scroll page up or down.
2200  */
2201     static void
2202 nv_page(cmdarg_T *cap)
2203 {
2204     if (!checkclearop(cap->oap))
2205     {
2206 	if (mod_mask & MOD_MASK_CTRL)
2207 	{
2208 	    /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
2209 	    if (cap->arg == BACKWARD)
2210 		goto_tabpage(-(int)cap->count1);
2211 	    else
2212 		goto_tabpage((int)cap->count0);
2213 	}
2214 	else
2215 	    (void)onepage(cap->arg, cap->count1);
2216     }
2217 }
2218 
2219 /*
2220  * Implementation of "gd" and "gD" command.
2221  */
2222     static void
2223 nv_gd(
2224     oparg_T	*oap,
2225     int		nchar,
2226     int		thisblock)	/* 1 for "1gd" and "1gD" */
2227 {
2228     int		len;
2229     char_u	*ptr;
2230 
2231     if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
2232 	    || find_decl(ptr, len, nchar == 'd', thisblock, SEARCH_START)
2233 								      == FAIL)
2234 	clearopbeep(oap);
2235 #ifdef FEAT_FOLDING
2236     else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
2237 	foldOpenCursor();
2238 #endif
2239 }
2240 
2241 /*
2242  * Return TRUE if line[offset] is not inside a C-style comment or string, FALSE
2243  * otherwise.
2244  */
2245     static int
2246 is_ident(char_u *line, int offset)
2247 {
2248     int	i;
2249     int	incomment = FALSE;
2250     int	instring = 0;
2251     int	prev = 0;
2252 
2253     for (i = 0; i < offset && line[i] != NUL; i++)
2254     {
2255 	if (instring != 0)
2256 	{
2257 	    if (prev != '\\' && line[i] == instring)
2258 		instring = 0;
2259 	}
2260 	else if ((line[i] == '"' || line[i] == '\'') && !incomment)
2261 	{
2262 	    instring = line[i];
2263 	}
2264 	else
2265 	{
2266 	    if (incomment)
2267 	    {
2268 		if (prev == '*' && line[i] == '/')
2269 		    incomment = FALSE;
2270 	    }
2271 	    else if (prev == '/' && line[i] == '*')
2272 	    {
2273 		incomment = TRUE;
2274 	    }
2275 	    else if (prev == '/' && line[i] == '/')
2276 	    {
2277 		return FALSE;
2278 	    }
2279 	}
2280 
2281 	prev = line[i];
2282     }
2283 
2284     return incomment == FALSE && instring == 0;
2285 }
2286 
2287 /*
2288  * Search for variable declaration of "ptr[len]".
2289  * When "locally" is TRUE in the current function ("gd"), otherwise in the
2290  * current file ("gD").
2291  * When "thisblock" is TRUE check the {} block scope.
2292  * Return FAIL when not found.
2293  */
2294     int
2295 find_decl(
2296     char_u	*ptr,
2297     int		len,
2298     int		locally,
2299     int		thisblock,
2300     int		flags_arg)	/* flags passed to searchit() */
2301 {
2302     char_u	*pat;
2303     pos_T	old_pos;
2304     pos_T	par_pos;
2305     pos_T	found_pos;
2306     int		t;
2307     int		save_p_ws;
2308     int		save_p_scs;
2309     int		retval = OK;
2310     int		incll;
2311     int		searchflags = flags_arg;
2312     int		valid;
2313 
2314     if ((pat = alloc(len + 7)) == NULL)
2315 	return FAIL;
2316 
2317     /* Put "\V" before the pattern to avoid that the special meaning of "."
2318      * and "~" causes trouble. */
2319     sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
2320 								    len, ptr);
2321     old_pos = curwin->w_cursor;
2322     save_p_ws = p_ws;
2323     save_p_scs = p_scs;
2324     p_ws = FALSE;	/* don't wrap around end of file now */
2325     p_scs = FALSE;	/* don't switch ignorecase off now */
2326 
2327     /*
2328      * With "gD" go to line 1.
2329      * With "gd" Search back for the start of the current function, then go
2330      * back until a blank line.  If this fails go to line 1.
2331      */
2332     if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
2333     {
2334 	setpcmark();			/* Set in findpar() otherwise */
2335 	curwin->w_cursor.lnum = 1;
2336 	par_pos = curwin->w_cursor;
2337     }
2338     else
2339     {
2340 	par_pos = curwin->w_cursor;
2341 	while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
2342 	    --curwin->w_cursor.lnum;
2343     }
2344     curwin->w_cursor.col = 0;
2345 
2346     /* Search forward for the identifier, ignore comment lines. */
2347     CLEAR_POS(&found_pos);
2348     for (;;)
2349     {
2350 	t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD,
2351 					  pat, 1L, searchflags, RE_LAST, NULL);
2352 	if (curwin->w_cursor.lnum >= old_pos.lnum)
2353 	    t = FAIL;	/* match after start is failure too */
2354 
2355 	if (thisblock && t != FAIL)
2356 	{
2357 	    pos_T	*pos;
2358 
2359 	    /* Check that the block the match is in doesn't end before the
2360 	     * position where we started the search from. */
2361 	    if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
2362 		     (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
2363 		    && pos->lnum < old_pos.lnum)
2364 	    {
2365 		/* There can't be a useful match before the end of this block.
2366 		 * Skip to the end. */
2367 		curwin->w_cursor = *pos;
2368 		continue;
2369 	    }
2370 	}
2371 
2372 	if (t == FAIL)
2373 	{
2374 	    /* If we previously found a valid position, use it. */
2375 	    if (found_pos.lnum != 0)
2376 	    {
2377 		curwin->w_cursor = found_pos;
2378 		t = OK;
2379 	    }
2380 	    break;
2381 	}
2382 	if (get_leader_len(ml_get_curline(), NULL, FALSE, TRUE) > 0)
2383 	{
2384 	    /* Ignore this line, continue at start of next line. */
2385 	    ++curwin->w_cursor.lnum;
2386 	    curwin->w_cursor.col = 0;
2387 	    continue;
2388 	}
2389 	valid = is_ident(ml_get_curline(), curwin->w_cursor.col);
2390 
2391 	/* If the current position is not a valid identifier and a previous
2392 	 * match is present, favor that one instead. */
2393 	if (!valid && found_pos.lnum != 0)
2394 	{
2395 	    curwin->w_cursor = found_pos;
2396 	    break;
2397 	}
2398 
2399 	/* Global search: use first valid match found */
2400 	if (valid && !locally)
2401 	    break;
2402 	if (valid && curwin->w_cursor.lnum >= par_pos.lnum)
2403 	{
2404 	    /* If we previously found a valid position, use it. */
2405 	    if (found_pos.lnum != 0)
2406 		curwin->w_cursor = found_pos;
2407 	    break;
2408 	}
2409 
2410 	/* For finding a local variable and the match is before the "{" or
2411 	 * inside a comment, continue searching.  For K&R style function
2412 	 * declarations this skips the function header without types. */
2413 	if (!valid)
2414 	    CLEAR_POS(&found_pos);
2415 	else
2416 	    found_pos = curwin->w_cursor;
2417 	/* Remove SEARCH_START from flags to avoid getting stuck at one
2418 	 * position. */
2419 	searchflags &= ~SEARCH_START;
2420     }
2421 
2422     if (t == FAIL)
2423     {
2424 	retval = FAIL;
2425 	curwin->w_cursor = old_pos;
2426     }
2427     else
2428     {
2429 	curwin->w_set_curswant = TRUE;
2430 	/* "n" searches forward now */
2431 	reset_search_dir();
2432     }
2433 
2434     vim_free(pat);
2435     p_ws = save_p_ws;
2436     p_scs = save_p_scs;
2437 
2438     return retval;
2439 }
2440 
2441 /*
2442  * Move 'dist' lines in direction 'dir', counting lines by *screen*
2443  * lines rather than lines in the file.
2444  * 'dist' must be positive.
2445  *
2446  * Return OK if able to move cursor, FAIL otherwise.
2447  */
2448     static int
2449 nv_screengo(oparg_T *oap, int dir, long dist)
2450 {
2451     int		linelen = linetabsize(ml_get_curline());
2452     int		retval = OK;
2453     int		atend = FALSE;
2454     int		n;
2455     int		col_off1;	/* margin offset for first screen line */
2456     int		col_off2;	/* margin offset for wrapped screen line */
2457     int		width1;		/* text width for first screen line */
2458     int		width2;		/* test width for wrapped screen line */
2459 
2460     oap->motion_type = MCHAR;
2461     oap->inclusive = (curwin->w_curswant == MAXCOL);
2462 
2463     col_off1 = curwin_col_off();
2464     col_off2 = col_off1 - curwin_col_off2();
2465     width1 = curwin->w_width - col_off1;
2466     width2 = curwin->w_width - col_off2;
2467     if (width2 == 0)
2468 	width2 = 1; /* avoid divide by zero */
2469 
2470     if (curwin->w_width != 0)
2471     {
2472       /*
2473        * Instead of sticking at the last character of the buffer line we
2474        * try to stick in the last column of the screen.
2475        */
2476       if (curwin->w_curswant == MAXCOL)
2477       {
2478 	atend = TRUE;
2479 	validate_virtcol();
2480 	if (width1 <= 0)
2481 	    curwin->w_curswant = 0;
2482 	else
2483 	{
2484 	    curwin->w_curswant = width1 - 1;
2485 	    if (curwin->w_virtcol > curwin->w_curswant)
2486 		curwin->w_curswant += ((curwin->w_virtcol
2487 			     - curwin->w_curswant - 1) / width2 + 1) * width2;
2488 	}
2489       }
2490       else
2491       {
2492 	if (linelen > width1)
2493 	    n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
2494 	else
2495 	    n = width1;
2496 	if (curwin->w_curswant >= (colnr_T)n)
2497 	    curwin->w_curswant = n - 1;
2498       }
2499 
2500       while (dist--)
2501       {
2502 	if (dir == BACKWARD)
2503 	{
2504 	    if ((long)curwin->w_curswant >= width1)
2505 		// Move back within the line. This can give a negative value
2506 		// for w_curswant if width1 < width2 (with cpoptions+=n),
2507 		// which will get clipped to column 0.
2508 		curwin->w_curswant -= width2;
2509 	    else
2510 	    {
2511 		/* to previous line */
2512 		if (curwin->w_cursor.lnum == 1)
2513 		{
2514 		    retval = FAIL;
2515 		    break;
2516 		}
2517 		--curwin->w_cursor.lnum;
2518 #ifdef FEAT_FOLDING
2519 		/* Move to the start of a closed fold.  Don't do that when
2520 		 * 'foldopen' contains "all": it will open in a moment. */
2521 		if (!(fdo_flags & FDO_ALL))
2522 		    (void)hasFolding(curwin->w_cursor.lnum,
2523 						&curwin->w_cursor.lnum, NULL);
2524 #endif
2525 		linelen = linetabsize(ml_get_curline());
2526 		if (linelen > width1)
2527 		    curwin->w_curswant += (((linelen - width1 - 1) / width2)
2528 								+ 1) * width2;
2529 	    }
2530 	}
2531 	else /* dir == FORWARD */
2532 	{
2533 	    if (linelen > width1)
2534 		n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
2535 	    else
2536 		n = width1;
2537 	    if (curwin->w_curswant + width2 < (colnr_T)n)
2538 		/* move forward within line */
2539 		curwin->w_curswant += width2;
2540 	    else
2541 	    {
2542 		/* to next line */
2543 #ifdef FEAT_FOLDING
2544 		/* Move to the end of a closed fold. */
2545 		(void)hasFolding(curwin->w_cursor.lnum, NULL,
2546 						      &curwin->w_cursor.lnum);
2547 #endif
2548 		if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
2549 		{
2550 		    retval = FAIL;
2551 		    break;
2552 		}
2553 		curwin->w_cursor.lnum++;
2554 		curwin->w_curswant %= width2;
2555 		// Check if the cursor has moved below the number display
2556 		// when width1 < width2 (with cpoptions+=n). Subtract width2
2557 		// to get a negative value for w_curswant, which will get
2558 		// clipped to column 0.
2559 		if (curwin->w_curswant >= width1)
2560 		    curwin->w_curswant -= width2;
2561 		linelen = linetabsize(ml_get_curline());
2562 	    }
2563 	}
2564       }
2565     }
2566 
2567     if (virtual_active() && atend)
2568 	coladvance(MAXCOL);
2569     else
2570 	coladvance(curwin->w_curswant);
2571 
2572     if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
2573     {
2574 	colnr_T virtcol;
2575 
2576 	/*
2577 	 * Check for landing on a character that got split at the end of the
2578 	 * last line.  We want to advance a screenline, not end up in the same
2579 	 * screenline or move two screenlines.
2580 	 */
2581 	validate_virtcol();
2582 	virtcol = curwin->w_virtcol;
2583 #if defined(FEAT_LINEBREAK)
2584 	if (virtcol > (colnr_T)width1 && *get_showbreak_value(curwin) != NUL)
2585 	    virtcol -= vim_strsize(get_showbreak_value(curwin));
2586 #endif
2587 
2588 	if (virtcol > curwin->w_curswant
2589 		&& (curwin->w_curswant < (colnr_T)width1
2590 		    ? (curwin->w_curswant > (colnr_T)width1 / 2)
2591 		    : ((curwin->w_curswant - width1) % width2
2592 						      > (colnr_T)width2 / 2)))
2593 	    --curwin->w_cursor.col;
2594     }
2595 
2596     if (atend)
2597 	curwin->w_curswant = MAXCOL;	    /* stick in the last column */
2598 
2599     return retval;
2600 }
2601 
2602 /*
2603  * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
2604  * cap->arg must be TRUE for CTRL-E.
2605  */
2606     void
2607 nv_scroll_line(cmdarg_T *cap)
2608 {
2609     if (!checkclearop(cap->oap))
2610 	scroll_redraw(cap->arg, cap->count1);
2611 }
2612 
2613 /*
2614  * Scroll "count" lines up or down, and redraw.
2615  */
2616     void
2617 scroll_redraw(int up, long count)
2618 {
2619     linenr_T	prev_topline = curwin->w_topline;
2620 #ifdef FEAT_DIFF
2621     int		prev_topfill = curwin->w_topfill;
2622 #endif
2623     linenr_T	prev_lnum = curwin->w_cursor.lnum;
2624 
2625     if (up)
2626 	scrollup(count, TRUE);
2627     else
2628 	scrolldown(count, TRUE);
2629     if (get_scrolloff_value())
2630     {
2631 	/* Adjust the cursor position for 'scrolloff'.  Mark w_topline as
2632 	 * valid, otherwise the screen jumps back at the end of the file. */
2633 	cursor_correct();
2634 	check_cursor_moved(curwin);
2635 	curwin->w_valid |= VALID_TOPLINE;
2636 
2637 	/* If moved back to where we were, at least move the cursor, otherwise
2638 	 * we get stuck at one position.  Don't move the cursor up if the
2639 	 * first line of the buffer is already on the screen */
2640 	while (curwin->w_topline == prev_topline
2641 #ifdef FEAT_DIFF
2642 		&& curwin->w_topfill == prev_topfill
2643 #endif
2644 		)
2645 	{
2646 	    if (up)
2647 	    {
2648 		if (curwin->w_cursor.lnum > prev_lnum
2649 			|| cursor_down(1L, FALSE) == FAIL)
2650 		    break;
2651 	    }
2652 	    else
2653 	    {
2654 		if (curwin->w_cursor.lnum < prev_lnum
2655 			|| prev_topline == 1L
2656 			|| cursor_up(1L, FALSE) == FAIL)
2657 		    break;
2658 	    }
2659 	    /* Mark w_topline as valid, otherwise the screen jumps back at the
2660 	     * end of the file. */
2661 	    check_cursor_moved(curwin);
2662 	    curwin->w_valid |= VALID_TOPLINE;
2663 	}
2664     }
2665     if (curwin->w_cursor.lnum != prev_lnum)
2666 	coladvance(curwin->w_curswant);
2667     redraw_later(VALID);
2668 }
2669 
2670 /*
2671  * Commands that start with "z".
2672  */
2673     static void
2674 nv_zet(cmdarg_T *cap)
2675 {
2676     long	n;
2677     colnr_T	col;
2678     int		nchar = cap->nchar;
2679 #ifdef FEAT_FOLDING
2680     long	old_fdl = curwin->w_p_fdl;
2681     int		old_fen = curwin->w_p_fen;
2682 #endif
2683 #ifdef FEAT_SPELL
2684     int		undo = FALSE;
2685 #endif
2686     long        siso = get_sidescrolloff_value();
2687 
2688     if (VIM_ISDIGIT(nchar))
2689     {
2690 	/*
2691 	 * "z123{nchar}": edit the count before obtaining {nchar}
2692 	 */
2693 	if (checkclearop(cap->oap))
2694 	    return;
2695 	n = nchar - '0';
2696 	for (;;)
2697 	{
2698 #ifdef USE_ON_FLY_SCROLL
2699 	    dont_scroll = TRUE;		/* disallow scrolling here */
2700 #endif
2701 	    ++no_mapping;
2702 	    ++allow_keys;   /* no mapping for nchar, but allow key codes */
2703 	    nchar = plain_vgetc();
2704 	    LANGMAP_ADJUST(nchar, TRUE);
2705 	    --no_mapping;
2706 	    --allow_keys;
2707 #ifdef FEAT_CMDL_INFO
2708 	    (void)add_to_showcmd(nchar);
2709 #endif
2710 	    if (nchar == K_DEL || nchar == K_KDEL)
2711 		n /= 10;
2712 	    else if (VIM_ISDIGIT(nchar))
2713 		n = n * 10 + (nchar - '0');
2714 	    else if (nchar == CAR)
2715 	    {
2716 #ifdef FEAT_GUI
2717 		need_mouse_correct = TRUE;
2718 #endif
2719 		win_setheight((int)n);
2720 		break;
2721 	    }
2722 	    else if (nchar == 'l'
2723 		    || nchar == 'h'
2724 		    || nchar == K_LEFT
2725 		    || nchar == K_RIGHT)
2726 	    {
2727 		cap->count1 = n ? n * cap->count1 : cap->count1;
2728 		goto dozet;
2729 	    }
2730 	    else
2731 	    {
2732 		clearopbeep(cap->oap);
2733 		break;
2734 	    }
2735 	}
2736 	cap->oap->op_type = OP_NOP;
2737 	return;
2738     }
2739 
2740 dozet:
2741     if (
2742 #ifdef FEAT_FOLDING
2743 	    /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
2744 	     * and "zC" only in Visual mode.  "zj" and "zk" are motion
2745 	     * commands. */
2746 	    cap->nchar != 'f' && cap->nchar != 'F'
2747 	    && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
2748 	    && cap->nchar != 'j' && cap->nchar != 'k'
2749 	    &&
2750 #endif
2751 	    checkclearop(cap->oap))
2752 	return;
2753 
2754     /*
2755      * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
2756      * If line number given, set cursor.
2757      */
2758     if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
2759 	    && cap->count0
2760 	    && cap->count0 != curwin->w_cursor.lnum)
2761     {
2762 	setpcmark();
2763 	if (cap->count0 > curbuf->b_ml.ml_line_count)
2764 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
2765 	else
2766 	    curwin->w_cursor.lnum = cap->count0;
2767 	check_cursor_col();
2768     }
2769 
2770     switch (nchar)
2771     {
2772 		/* "z+", "z<CR>" and "zt": put cursor at top of screen */
2773     case '+':
2774 		if (cap->count0 == 0)
2775 		{
2776 		    /* No count given: put cursor at the line below screen */
2777 		    validate_botline();	/* make sure w_botline is valid */
2778 		    if (curwin->w_botline > curbuf->b_ml.ml_line_count)
2779 			curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
2780 		    else
2781 			curwin->w_cursor.lnum = curwin->w_botline;
2782 		}
2783 		/* FALLTHROUGH */
2784     case NL:
2785     case CAR:
2786     case K_KENTER:
2787 		beginline(BL_WHITE | BL_FIX);
2788 		/* FALLTHROUGH */
2789 
2790     case 't':	scroll_cursor_top(0, TRUE);
2791 		redraw_later(VALID);
2792 		set_fraction(curwin);
2793 		break;
2794 
2795 		/* "z." and "zz": put cursor in middle of screen */
2796     case '.':	beginline(BL_WHITE | BL_FIX);
2797 		/* FALLTHROUGH */
2798 
2799     case 'z':	scroll_cursor_halfway(TRUE);
2800 		redraw_later(VALID);
2801 		set_fraction(curwin);
2802 		break;
2803 
2804 		/* "z^", "z-" and "zb": put cursor at bottom of screen */
2805     case '^':	/* Strange Vi behavior: <count>z^ finds line at top of window
2806 		 * when <count> is at bottom of window, and puts that one at
2807 		 * bottom of window. */
2808 		if (cap->count0 != 0)
2809 		{
2810 		    scroll_cursor_bot(0, TRUE);
2811 		    curwin->w_cursor.lnum = curwin->w_topline;
2812 		}
2813 		else if (curwin->w_topline == 1)
2814 		    curwin->w_cursor.lnum = 1;
2815 		else
2816 		    curwin->w_cursor.lnum = curwin->w_topline - 1;
2817 		/* FALLTHROUGH */
2818     case '-':
2819 		beginline(BL_WHITE | BL_FIX);
2820 		/* FALLTHROUGH */
2821 
2822     case 'b':	scroll_cursor_bot(0, TRUE);
2823 		redraw_later(VALID);
2824 		set_fraction(curwin);
2825 		break;
2826 
2827 		/* "zH" - scroll screen right half-page */
2828     case 'H':
2829 		cap->count1 *= curwin->w_width / 2;
2830 		/* FALLTHROUGH */
2831 
2832 		/* "zh" - scroll screen to the right */
2833     case 'h':
2834     case K_LEFT:
2835 		if (!curwin->w_p_wrap)
2836 		{
2837 		    if ((colnr_T)cap->count1 > curwin->w_leftcol)
2838 			curwin->w_leftcol = 0;
2839 		    else
2840 			curwin->w_leftcol -= (colnr_T)cap->count1;
2841 		    leftcol_changed();
2842 		}
2843 		break;
2844 
2845 		/* "zL" - scroll screen left half-page */
2846     case 'L':	cap->count1 *= curwin->w_width / 2;
2847 		/* FALLTHROUGH */
2848 
2849 		/* "zl" - scroll screen to the left */
2850     case 'l':
2851     case K_RIGHT:
2852 		if (!curwin->w_p_wrap)
2853 		{
2854 		    /* scroll the window left */
2855 		    curwin->w_leftcol += (colnr_T)cap->count1;
2856 		    leftcol_changed();
2857 		}
2858 		break;
2859 
2860 		/* "zs" - scroll screen, cursor at the start */
2861     case 's':	if (!curwin->w_p_wrap)
2862 		{
2863 #ifdef FEAT_FOLDING
2864 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
2865 			col = 0;	/* like the cursor is in col 0 */
2866 		    else
2867 #endif
2868 		    getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
2869 		    if ((long)col > siso)
2870 			col -= siso;
2871 		    else
2872 			col = 0;
2873 		    if (curwin->w_leftcol != col)
2874 		    {
2875 			curwin->w_leftcol = col;
2876 			redraw_later(NOT_VALID);
2877 		    }
2878 		}
2879 		break;
2880 
2881 		/* "ze" - scroll screen, cursor at the end */
2882     case 'e':	if (!curwin->w_p_wrap)
2883 		{
2884 #ifdef FEAT_FOLDING
2885 		    if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
2886 			col = 0;	/* like the cursor is in col 0 */
2887 		    else
2888 #endif
2889 		    getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
2890 		    n = curwin->w_width - curwin_col_off();
2891 		    if ((long)col + siso < n)
2892 			col = 0;
2893 		    else
2894 			col = col + siso - n + 1;
2895 		    if (curwin->w_leftcol != col)
2896 		    {
2897 			curwin->w_leftcol = col;
2898 			redraw_later(NOT_VALID);
2899 		    }
2900 		}
2901 		break;
2902 
2903 #ifdef FEAT_FOLDING
2904 		/* "zF": create fold command */
2905 		/* "zf": create fold operator */
2906     case 'F':
2907     case 'f':   if (foldManualAllowed(TRUE))
2908 		{
2909 		    cap->nchar = 'f';
2910 		    nv_operator(cap);
2911 		    curwin->w_p_fen = TRUE;
2912 
2913 		    /* "zF" is like "zfzf" */
2914 		    if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
2915 		    {
2916 			nv_operator(cap);
2917 			finish_op = TRUE;
2918 		    }
2919 		}
2920 		else
2921 		    clearopbeep(cap->oap);
2922 		break;
2923 
2924 		/* "zd": delete fold at cursor */
2925 		/* "zD": delete fold at cursor recursively */
2926     case 'd':
2927     case 'D':	if (foldManualAllowed(FALSE))
2928 		{
2929 		    if (VIsual_active)
2930 			nv_operator(cap);
2931 		    else
2932 			deleteFold(curwin->w_cursor.lnum,
2933 				  curwin->w_cursor.lnum, nchar == 'D', FALSE);
2934 		}
2935 		break;
2936 
2937 		/* "zE": erase all folds */
2938     case 'E':	if (foldmethodIsManual(curwin))
2939 		{
2940 		    clearFolding(curwin);
2941 		    changed_window_setting();
2942 		}
2943 		else if (foldmethodIsMarker(curwin))
2944 		    deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
2945 								 TRUE, FALSE);
2946 		else
2947 		    emsg(_("E352: Cannot erase folds with current 'foldmethod'"));
2948 		break;
2949 
2950 		/* "zn": fold none: reset 'foldenable' */
2951     case 'n':	curwin->w_p_fen = FALSE;
2952 		break;
2953 
2954 		/* "zN": fold Normal: set 'foldenable' */
2955     case 'N':	curwin->w_p_fen = TRUE;
2956 		break;
2957 
2958 		/* "zi": invert folding: toggle 'foldenable' */
2959     case 'i':	curwin->w_p_fen = !curwin->w_p_fen;
2960 		break;
2961 
2962 		/* "za": open closed fold or close open fold at cursor */
2963     case 'a':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
2964 		    openFold(curwin->w_cursor.lnum, cap->count1);
2965 		else
2966 		{
2967 		    closeFold(curwin->w_cursor.lnum, cap->count1);
2968 		    curwin->w_p_fen = TRUE;
2969 		}
2970 		break;
2971 
2972 		/* "zA": open fold at cursor recursively */
2973     case 'A':	if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
2974 		    openFoldRecurse(curwin->w_cursor.lnum);
2975 		else
2976 		{
2977 		    closeFoldRecurse(curwin->w_cursor.lnum);
2978 		    curwin->w_p_fen = TRUE;
2979 		}
2980 		break;
2981 
2982 		/* "zo": open fold at cursor or Visual area */
2983     case 'o':	if (VIsual_active)
2984 		    nv_operator(cap);
2985 		else
2986 		    openFold(curwin->w_cursor.lnum, cap->count1);
2987 		break;
2988 
2989 		/* "zO": open fold recursively */
2990     case 'O':	if (VIsual_active)
2991 		    nv_operator(cap);
2992 		else
2993 		    openFoldRecurse(curwin->w_cursor.lnum);
2994 		break;
2995 
2996 		/* "zc": close fold at cursor or Visual area */
2997     case 'c':	if (VIsual_active)
2998 		    nv_operator(cap);
2999 		else
3000 		    closeFold(curwin->w_cursor.lnum, cap->count1);
3001 		curwin->w_p_fen = TRUE;
3002 		break;
3003 
3004 		/* "zC": close fold recursively */
3005     case 'C':	if (VIsual_active)
3006 		    nv_operator(cap);
3007 		else
3008 		    closeFoldRecurse(curwin->w_cursor.lnum);
3009 		curwin->w_p_fen = TRUE;
3010 		break;
3011 
3012 		/* "zv": open folds at the cursor */
3013     case 'v':	foldOpenCursor();
3014 		break;
3015 
3016 		/* "zx": re-apply 'foldlevel' and open folds at the cursor */
3017     case 'x':	curwin->w_p_fen = TRUE;
3018 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
3019 		newFoldLevel();			/* update right now */
3020 		foldOpenCursor();
3021 		break;
3022 
3023 		/* "zX": undo manual opens/closes, re-apply 'foldlevel' */
3024     case 'X':	curwin->w_p_fen = TRUE;
3025 		curwin->w_foldinvalid = TRUE;	/* recompute folds */
3026 		old_fdl = -1;			/* force an update */
3027 		break;
3028 
3029 		/* "zm": fold more */
3030     case 'm':	if (curwin->w_p_fdl > 0)
3031 		{
3032 		    curwin->w_p_fdl -= cap->count1;
3033 		    if (curwin->w_p_fdl < 0)
3034 			curwin->w_p_fdl = 0;
3035 		}
3036 		old_fdl = -1;		/* force an update */
3037 		curwin->w_p_fen = TRUE;
3038 		break;
3039 
3040 		/* "zM": close all folds */
3041     case 'M':	curwin->w_p_fdl = 0;
3042 		old_fdl = -1;		/* force an update */
3043 		curwin->w_p_fen = TRUE;
3044 		break;
3045 
3046 		/* "zr": reduce folding */
3047     case 'r':	curwin->w_p_fdl += cap->count1;
3048 		{
3049 		    int d = getDeepestNesting();
3050 
3051 		    if (curwin->w_p_fdl >= d)
3052 			curwin->w_p_fdl = d;
3053 		}
3054 		break;
3055 
3056 		/* "zR": open all folds */
3057     case 'R':	curwin->w_p_fdl = getDeepestNesting();
3058 		old_fdl = -1;		/* force an update */
3059 		break;
3060 
3061     case 'j':	/* "zj" move to next fold downwards */
3062     case 'k':	/* "zk" move to next fold upwards */
3063 		if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
3064 							  cap->count1) == FAIL)
3065 		    clearopbeep(cap->oap);
3066 		break;
3067 
3068 #endif /* FEAT_FOLDING */
3069 
3070 #ifdef FEAT_SPELL
3071     case 'u':	/* "zug" and "zuw": undo "zg" and "zw" */
3072 		++no_mapping;
3073 		++allow_keys;   /* no mapping for nchar, but allow key codes */
3074 		nchar = plain_vgetc();
3075 		LANGMAP_ADJUST(nchar, TRUE);
3076 		--no_mapping;
3077 		--allow_keys;
3078 #ifdef FEAT_CMDL_INFO
3079 		(void)add_to_showcmd(nchar);
3080 #endif
3081 		if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
3082 		{
3083 		    clearopbeep(cap->oap);
3084 		    break;
3085 		}
3086 		undo = TRUE;
3087 		/* FALLTHROUGH */
3088 
3089     case 'g':	/* "zg": add good word to word list */
3090     case 'w':	/* "zw": add wrong word to word list */
3091     case 'G':	/* "zG": add good word to temp word list */
3092     case 'W':	/* "zW": add wrong word to temp word list */
3093 		{
3094 		    char_u  *ptr = NULL;
3095 		    int	    len;
3096 
3097 		    if (checkclearop(cap->oap))
3098 			break;
3099 		    if (VIsual_active && get_visual_text(cap, &ptr, &len)
3100 								      == FAIL)
3101 			return;
3102 		    if (ptr == NULL)
3103 		    {
3104 			pos_T	pos = curwin->w_cursor;
3105 
3106 			/* Find bad word under the cursor.  When 'spell' is
3107 			 * off this fails and find_ident_under_cursor() is
3108 			 * used below. */
3109 			emsg_off++;
3110 			len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
3111 			emsg_off--;
3112 			if (len != 0 && curwin->w_cursor.col <= pos.col)
3113 			    ptr = ml_get_pos(&curwin->w_cursor);
3114 			curwin->w_cursor = pos;
3115 		    }
3116 
3117 		    if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
3118 							    FIND_IDENT)) == 0)
3119 			return;
3120 		    spell_add_word(ptr, len, nchar == 'w' || nchar == 'W'
3121 					      ? SPELL_ADD_BAD : SPELL_ADD_GOOD,
3122 					    (nchar == 'G' || nchar == 'W')
3123 						       ? 0 : (int)cap->count1,
3124 					    undo);
3125 		}
3126 		break;
3127 
3128     case '=':	/* "z=": suggestions for a badly spelled word  */
3129 		if (!checkclearop(cap->oap))
3130 		    spell_suggest((int)cap->count0);
3131 		break;
3132 #endif
3133 
3134     default:	clearopbeep(cap->oap);
3135     }
3136 
3137 #ifdef FEAT_FOLDING
3138     /* Redraw when 'foldenable' changed */
3139     if (old_fen != curwin->w_p_fen)
3140     {
3141 # ifdef FEAT_DIFF
3142 	win_T	    *wp;
3143 
3144 	if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
3145 	{
3146 	    /* Adjust 'foldenable' in diff-synced windows. */
3147 	    FOR_ALL_WINDOWS(wp)
3148 	    {
3149 		if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
3150 		{
3151 		    wp->w_p_fen = curwin->w_p_fen;
3152 		    changed_window_setting_win(wp);
3153 		}
3154 	    }
3155 	}
3156 # endif
3157 	changed_window_setting();
3158     }
3159 
3160     /* Redraw when 'foldlevel' changed. */
3161     if (old_fdl != curwin->w_p_fdl)
3162 	newFoldLevel();
3163 #endif
3164 }
3165 
3166 #ifdef FEAT_GUI
3167 /*
3168  * Vertical scrollbar movement.
3169  */
3170     static void
3171 nv_ver_scrollbar(cmdarg_T *cap)
3172 {
3173     if (cap->oap->op_type != OP_NOP)
3174 	clearopbeep(cap->oap);
3175 
3176     /* Even if an operator was pending, we still want to scroll */
3177     gui_do_scroll();
3178 }
3179 
3180 /*
3181  * Horizontal scrollbar movement.
3182  */
3183     static void
3184 nv_hor_scrollbar(cmdarg_T *cap)
3185 {
3186     if (cap->oap->op_type != OP_NOP)
3187 	clearopbeep(cap->oap);
3188 
3189     /* Even if an operator was pending, we still want to scroll */
3190     gui_do_horiz_scroll(scrollbar_value, FALSE);
3191 }
3192 #endif
3193 
3194 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
3195 /*
3196  * Click in GUI tab.
3197  */
3198     static void
3199 nv_tabline(cmdarg_T *cap)
3200 {
3201     if (cap->oap->op_type != OP_NOP)
3202 	clearopbeep(cap->oap);
3203 
3204     /* Even if an operator was pending, we still want to jump tabs. */
3205     goto_tabpage(current_tab);
3206 }
3207 
3208 /*
3209  * Selected item in tab line menu.
3210  */
3211     static void
3212 nv_tabmenu(cmdarg_T *cap)
3213 {
3214     if (cap->oap->op_type != OP_NOP)
3215 	clearopbeep(cap->oap);
3216 
3217     /* Even if an operator was pending, we still want to jump tabs. */
3218     handle_tabmenu();
3219 }
3220 
3221 /*
3222  * Handle selecting an item of the GUI tab line menu.
3223  * Used in Normal and Insert mode.
3224  */
3225     void
3226 handle_tabmenu(void)
3227 {
3228     switch (current_tabmenu)
3229     {
3230 	case TABLINE_MENU_CLOSE:
3231 	    if (current_tab == 0)
3232 		do_cmdline_cmd((char_u *)"tabclose");
3233 	    else
3234 	    {
3235 		vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
3236 								 current_tab);
3237 		do_cmdline_cmd(IObuff);
3238 	    }
3239 	    break;
3240 
3241 	case TABLINE_MENU_NEW:
3242 	    if (current_tab == 0)
3243 		do_cmdline_cmd((char_u *)"$tabnew");
3244 	    else
3245 	    {
3246 		vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
3247 							     current_tab - 1);
3248 		do_cmdline_cmd(IObuff);
3249 	    }
3250 	    break;
3251 
3252 	case TABLINE_MENU_OPEN:
3253 	    if (current_tab == 0)
3254 		do_cmdline_cmd((char_u *)"browse $tabnew");
3255 	    else
3256 	    {
3257 		vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
3258 							     current_tab - 1);
3259 		do_cmdline_cmd(IObuff);
3260 	    }
3261 	    break;
3262     }
3263 }
3264 #endif
3265 
3266 /*
3267  * "Q" command.
3268  */
3269     static void
3270 nv_exmode(cmdarg_T *cap)
3271 {
3272     /*
3273      * Ignore 'Q' in Visual mode, just give a beep.
3274      */
3275     if (VIsual_active)
3276 	vim_beep(BO_EX);
3277     else if (!checkclearop(cap->oap))
3278 	do_exmode(FALSE);
3279 }
3280 
3281 /*
3282  * Handle a ":" command.
3283  */
3284     static void
3285 nv_colon(cmdarg_T *cap)
3286 {
3287     int	    old_p_im;
3288     int	    cmd_result;
3289 
3290     if (VIsual_active)
3291 	nv_operator(cap);
3292     else
3293     {
3294 	if (cap->oap->op_type != OP_NOP)
3295 	{
3296 	    /* Using ":" as a movement is characterwise exclusive. */
3297 	    cap->oap->motion_type = MCHAR;
3298 	    cap->oap->inclusive = FALSE;
3299 	}
3300 	else if (cap->count0)
3301 	{
3302 	    /* translate "count:" into ":.,.+(count - 1)" */
3303 	    stuffcharReadbuff('.');
3304 	    if (cap->count0 > 1)
3305 	    {
3306 		stuffReadbuff((char_u *)",.+");
3307 		stuffnumReadbuff((long)cap->count0 - 1L);
3308 	    }
3309 	}
3310 
3311 	/* When typing, don't type below an old message */
3312 	if (KeyTyped)
3313 	    compute_cmdrow();
3314 
3315 	old_p_im = p_im;
3316 
3317 	/* get a command line and execute it */
3318 	cmd_result = do_cmdline(NULL, getexline, NULL,
3319 			    cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
3320 
3321 	/* If 'insertmode' changed, enter or exit Insert mode */
3322 	if (p_im != old_p_im)
3323 	{
3324 	    if (p_im)
3325 		restart_edit = 'i';
3326 	    else
3327 		restart_edit = 0;
3328 	}
3329 
3330 	if (cmd_result == FAIL)
3331 	    /* The Ex command failed, do not execute the operator. */
3332 	    clearop(cap->oap);
3333 	else if (cap->oap->op_type != OP_NOP
3334 		&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
3335 		    || cap->oap->start.col >
3336 			       (colnr_T)STRLEN(ml_get(cap->oap->start.lnum))
3337 		    || did_emsg
3338 		    ))
3339 	    /* The start of the operator has become invalid by the Ex command.
3340 	     */
3341 	    clearopbeep(cap->oap);
3342     }
3343 }
3344 
3345 /*
3346  * Handle CTRL-G command.
3347  */
3348     static void
3349 nv_ctrlg(cmdarg_T *cap)
3350 {
3351     if (VIsual_active)	/* toggle Selection/Visual mode */
3352     {
3353 	VIsual_select = !VIsual_select;
3354 	showmode();
3355     }
3356     else if (!checkclearop(cap->oap))
3357 	/* print full name if count given or :cd used */
3358 	fileinfo((int)cap->count0, FALSE, TRUE);
3359 }
3360 
3361 /*
3362  * Handle CTRL-H <Backspace> command.
3363  */
3364     static void
3365 nv_ctrlh(cmdarg_T *cap)
3366 {
3367     if (VIsual_active && VIsual_select)
3368     {
3369 	cap->cmdchar = 'x';	/* BS key behaves like 'x' in Select mode */
3370 	v_visop(cap);
3371     }
3372     else
3373 	nv_left(cap);
3374 }
3375 
3376 /*
3377  * CTRL-L: clear screen and redraw.
3378  */
3379     static void
3380 nv_clear(cmdarg_T *cap)
3381 {
3382     if (!checkclearop(cap->oap))
3383     {
3384 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
3385 	/*
3386 	 * Right now, the BeBox doesn't seem to have an easy way to detect
3387 	 * window resizing, so we cheat and make the user detect it
3388 	 * manually with CTRL-L instead
3389 	 */
3390 	ui_get_shellsize();
3391 #endif
3392 #ifdef FEAT_SYN_HL
3393 	/* Clear all syntax states to force resyncing. */
3394 	syn_stack_free_all(curwin->w_s);
3395 # ifdef FEAT_RELTIME
3396 	{
3397 	    win_T *wp;
3398 
3399 	    FOR_ALL_WINDOWS(wp)
3400 		wp->w_s->b_syn_slow = FALSE;
3401 	}
3402 # endif
3403 #endif
3404 	redraw_later(CLEAR);
3405 #if defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL))
3406 # ifdef VIMDLL
3407 	if (!gui.in_use)
3408 # endif
3409 	    resize_console_buf();
3410 #endif
3411     }
3412 }
3413 
3414 /*
3415  * CTRL-O: In Select mode: switch to Visual mode for one command.
3416  * Otherwise: Go to older pcmark.
3417  */
3418     static void
3419 nv_ctrlo(cmdarg_T *cap)
3420 {
3421     if (VIsual_active && VIsual_select)
3422     {
3423 	VIsual_select = FALSE;
3424 	showmode();
3425 	restart_VIsual_select = 2;	/* restart Select mode later */
3426     }
3427     else
3428     {
3429 	cap->count1 = -cap->count1;
3430 	nv_pcmark(cap);
3431     }
3432 }
3433 
3434 /*
3435  * CTRL-^ command, short for ":e #".  Works even when the alternate buffer is
3436  * not named.
3437  */
3438     static void
3439 nv_hat(cmdarg_T *cap)
3440 {
3441     if (!checkclearopq(cap->oap))
3442 	(void)buflist_getfile((int)cap->count0, (linenr_T)0,
3443 						GETF_SETMARK|GETF_ALT, FALSE);
3444 }
3445 
3446 /*
3447  * "Z" commands.
3448  */
3449     static void
3450 nv_Zet(cmdarg_T *cap)
3451 {
3452     if (!checkclearopq(cap->oap))
3453     {
3454 	switch (cap->nchar)
3455 	{
3456 			/* "ZZ": equivalent to ":x". */
3457 	    case 'Z':	do_cmdline_cmd((char_u *)"x");
3458 			break;
3459 
3460 			/* "ZQ": equivalent to ":q!" (Elvis compatible). */
3461 	    case 'Q':	do_cmdline_cmd((char_u *)"q!");
3462 			break;
3463 
3464 	    default:	clearopbeep(cap->oap);
3465 	}
3466     }
3467 }
3468 
3469 /*
3470  * Call nv_ident() as if "c1" was used, with "c2" as next character.
3471  */
3472     void
3473 do_nv_ident(int c1, int c2)
3474 {
3475     oparg_T	oa;
3476     cmdarg_T	ca;
3477 
3478     clear_oparg(&oa);
3479     vim_memset(&ca, 0, sizeof(ca));
3480     ca.oap = &oa;
3481     ca.cmdchar = c1;
3482     ca.nchar = c2;
3483     nv_ident(&ca);
3484 }
3485 
3486 /*
3487  * Handle the commands that use the word under the cursor.
3488  * [g] CTRL-]	:ta to current identifier
3489  * [g] 'K'	run program for current identifier
3490  * [g] '*'	/ to current identifier or string
3491  * [g] '#'	? to current identifier or string
3492  *  g  ']'	:tselect for current identifier
3493  */
3494     static void
3495 nv_ident(cmdarg_T *cap)
3496 {
3497     char_u	*ptr = NULL;
3498     char_u	*buf;
3499     unsigned	buflen;
3500     char_u	*newbuf;
3501     char_u	*p;
3502     char_u	*kp;		/* value of 'keywordprg' */
3503     int		kp_help;	/* 'keywordprg' is ":he" */
3504     int		kp_ex;		/* 'keywordprg' starts with ":" */
3505     int		n = 0;		/* init for GCC */
3506     int		cmdchar;
3507     int		g_cmd;		/* "g" command */
3508     int		tag_cmd = FALSE;
3509     char_u	*aux_ptr;
3510     int		isman;
3511     int		isman_s;
3512 
3513     if (cap->cmdchar == 'g')	/* "g*", "g#", "g]" and "gCTRL-]" */
3514     {
3515 	cmdchar = cap->nchar;
3516 	g_cmd = TRUE;
3517     }
3518     else
3519     {
3520 	cmdchar = cap->cmdchar;
3521 	g_cmd = FALSE;
3522     }
3523 
3524     if (cmdchar == POUND)	/* the pound sign, '#' for English keyboards */
3525 	cmdchar = '#';
3526 
3527     /*
3528      * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
3529      */
3530     if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
3531     {
3532 	if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
3533 	    return;
3534 	if (checkclearopq(cap->oap))
3535 	    return;
3536     }
3537 
3538     if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
3539 		    (cmdchar == '*' || cmdchar == '#')
3540 				 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
3541     {
3542 	clearop(cap->oap);
3543 	return;
3544     }
3545 
3546     /* Allocate buffer to put the command in.  Inserting backslashes can
3547      * double the length of the word.  p_kp / curbuf->b_p_kp could be added
3548      * and some numbers. */
3549     kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
3550     kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
3551 						 || STRCMP(kp, ":help") == 0);
3552     if (kp_help && *skipwhite(ptr) == NUL)
3553     {
3554 	emsg(_(e_noident));	 /* found white space only */
3555 	return;
3556     }
3557     kp_ex = (*kp == ':');
3558     buflen = (unsigned)(n * 2 + 30 + STRLEN(kp));
3559     buf = alloc(buflen);
3560     if (buf == NULL)
3561 	return;
3562     buf[0] = NUL;
3563 
3564     switch (cmdchar)
3565     {
3566 	case '*':
3567 	case '#':
3568 	    /*
3569 	     * Put cursor at start of word, makes search skip the word
3570 	     * under the cursor.
3571 	     * Call setpcmark() first, so "*``" puts the cursor back where
3572 	     * it was.
3573 	     */
3574 	    setpcmark();
3575 	    curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
3576 
3577 	    if (!g_cmd && vim_iswordp(ptr))
3578 		STRCPY(buf, "\\<");
3579 	    no_smartcase = TRUE;	/* don't use 'smartcase' now */
3580 	    break;
3581 
3582 	case 'K':
3583 	    if (kp_help)
3584 		STRCPY(buf, "he! ");
3585 	    else if (kp_ex)
3586 	    {
3587 		if (cap->count0 != 0)
3588 		    vim_snprintf((char *)buf, buflen, "%s %ld",
3589 							     kp, cap->count0);
3590 		else
3591 		    STRCPY(buf, kp);
3592 		STRCAT(buf, " ");
3593 	    }
3594 	    else
3595 	    {
3596 		/* An external command will probably use an argument starting
3597 		 * with "-" as an option.  To avoid trouble we skip the "-". */
3598 		while (*ptr == '-' && n > 0)
3599 		{
3600 		    ++ptr;
3601 		    --n;
3602 		}
3603 		if (n == 0)
3604 		{
3605 		    emsg(_(e_noident));	 /* found dashes only */
3606 		    vim_free(buf);
3607 		    return;
3608 		}
3609 
3610 		/* When a count is given, turn it into a range.  Is this
3611 		 * really what we want? */
3612 		isman = (STRCMP(kp, "man") == 0);
3613 		isman_s = (STRCMP(kp, "man -s") == 0);
3614 		if (cap->count0 != 0 && !(isman || isman_s))
3615 		    sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
3616 
3617 		STRCAT(buf, "! ");
3618 		if (cap->count0 == 0 && isman_s)
3619 		    STRCAT(buf, "man");
3620 		else
3621 		    STRCAT(buf, kp);
3622 		STRCAT(buf, " ");
3623 		if (cap->count0 != 0 && (isman || isman_s))
3624 		{
3625 		    sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
3626 		    STRCAT(buf, " ");
3627 		}
3628 	    }
3629 	    break;
3630 
3631 	case ']':
3632 	    tag_cmd = TRUE;
3633 #ifdef FEAT_CSCOPE
3634 	    if (p_cst)
3635 		STRCPY(buf, "cstag ");
3636 	    else
3637 #endif
3638 		STRCPY(buf, "ts ");
3639 	    break;
3640 
3641 	default:
3642 	    tag_cmd = TRUE;
3643 	    if (curbuf->b_help)
3644 		STRCPY(buf, "he! ");
3645 	    else
3646 	    {
3647 		if (g_cmd)
3648 		    STRCPY(buf, "tj ");
3649 		else
3650 		    sprintf((char *)buf, "%ldta ", cap->count0);
3651 	    }
3652     }
3653 
3654     /*
3655      * Now grab the chars in the identifier
3656      */
3657     if (cmdchar == 'K' && !kp_help)
3658     {
3659 	ptr = vim_strnsave(ptr, n);
3660 	if (kp_ex)
3661 	    /* Escape the argument properly for an Ex command */
3662 	    p = vim_strsave_fnameescape(ptr, FALSE);
3663 	else
3664 	    /* Escape the argument properly for a shell command */
3665 	    p = vim_strsave_shellescape(ptr, TRUE, TRUE);
3666 	vim_free(ptr);
3667 	if (p == NULL)
3668 	{
3669 	    vim_free(buf);
3670 	    return;
3671 	}
3672 	newbuf = vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1);
3673 	if (newbuf == NULL)
3674 	{
3675 	    vim_free(buf);
3676 	    vim_free(p);
3677 	    return;
3678 	}
3679 	buf = newbuf;
3680 	STRCAT(buf, p);
3681 	vim_free(p);
3682     }
3683     else
3684     {
3685 	if (cmdchar == '*')
3686 	    aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
3687 	else if (cmdchar == '#')
3688 	    aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
3689 	else if (tag_cmd)
3690 	{
3691 	    if (curbuf->b_help)
3692 		/* ":help" handles unescaped argument */
3693 		aux_ptr = (char_u *)"";
3694 	    else
3695 		aux_ptr = (char_u *)"\\|\"\n[";
3696 	}
3697 	else
3698 	    aux_ptr = (char_u *)"\\|\"\n*?[";
3699 
3700 	p = buf + STRLEN(buf);
3701 	while (n-- > 0)
3702 	{
3703 	    /* put a backslash before \ and some others */
3704 	    if (vim_strchr(aux_ptr, *ptr) != NULL)
3705 		*p++ = '\\';
3706 	    /* When current byte is a part of multibyte character, copy all
3707 	     * bytes of that character. */
3708 	    if (has_mbyte)
3709 	    {
3710 		int i;
3711 		int len = (*mb_ptr2len)(ptr) - 1;
3712 
3713 		for (i = 0; i < len && n >= 1; ++i, --n)
3714 		    *p++ = *ptr++;
3715 	    }
3716 	    *p++ = *ptr++;
3717 	}
3718 	*p = NUL;
3719     }
3720 
3721     /*
3722      * Execute the command.
3723      */
3724     if (cmdchar == '*' || cmdchar == '#')
3725     {
3726 	if (!g_cmd && (has_mbyte
3727 		    ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr))
3728 		    : vim_iswordc(ptr[-1])))
3729 	    STRCAT(buf, "\\>");
3730 
3731 	// put pattern in search history
3732 	init_history();
3733 	add_to_history(HIST_SEARCH, buf, TRUE, NUL);
3734 
3735 	(void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0, NULL);
3736     }
3737     else
3738     {
3739 	g_tag_at_cursor = TRUE;
3740 	do_cmdline_cmd(buf);
3741 	g_tag_at_cursor = FALSE;
3742     }
3743 
3744     vim_free(buf);
3745 }
3746 
3747 /*
3748  * Get visually selected text, within one line only.
3749  * Returns FAIL if more than one line selected.
3750  */
3751     int
3752 get_visual_text(
3753     cmdarg_T	*cap,
3754     char_u	**pp,	    /* return: start of selected text */
3755     int		*lenp)	    /* return: length of selected text */
3756 {
3757     if (VIsual_mode != 'V')
3758 	unadjust_for_sel();
3759     if (VIsual.lnum != curwin->w_cursor.lnum)
3760     {
3761 	if (cap != NULL)
3762 	    clearopbeep(cap->oap);
3763 	return FAIL;
3764     }
3765     if (VIsual_mode == 'V')
3766     {
3767 	*pp = ml_get_curline();
3768 	*lenp = (int)STRLEN(*pp);
3769     }
3770     else
3771     {
3772 	if (LT_POS(curwin->w_cursor, VIsual))
3773 	{
3774 	    *pp = ml_get_pos(&curwin->w_cursor);
3775 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
3776 	}
3777 	else
3778 	{
3779 	    *pp = ml_get_pos(&VIsual);
3780 	    *lenp = curwin->w_cursor.col - VIsual.col + 1;
3781 	}
3782 	if (has_mbyte)
3783 	    /* Correct the length to include the whole last character. */
3784 	    *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
3785     }
3786     reset_VIsual_and_resel();
3787     return OK;
3788 }
3789 
3790 /*
3791  * CTRL-T: backwards in tag stack
3792  */
3793     static void
3794 nv_tagpop(cmdarg_T *cap)
3795 {
3796     if (!checkclearopq(cap->oap))
3797 	do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
3798 }
3799 
3800 /*
3801  * Handle scrolling command 'H', 'L' and 'M'.
3802  */
3803     static void
3804 nv_scroll(cmdarg_T *cap)
3805 {
3806     int		used = 0;
3807     long	n;
3808 #ifdef FEAT_FOLDING
3809     linenr_T	lnum;
3810 #endif
3811     int		half;
3812 
3813     cap->oap->motion_type = MLINE;
3814     setpcmark();
3815 
3816     if (cap->cmdchar == 'L')
3817     {
3818 	validate_botline();	    /* make sure curwin->w_botline is valid */
3819 	curwin->w_cursor.lnum = curwin->w_botline - 1;
3820 	if (cap->count1 - 1 >= curwin->w_cursor.lnum)
3821 	    curwin->w_cursor.lnum = 1;
3822 	else
3823 	{
3824 #ifdef FEAT_FOLDING
3825 	    if (hasAnyFolding(curwin))
3826 	    {
3827 		/* Count a fold for one screen line. */
3828 		for (n = cap->count1 - 1; n > 0
3829 			    && curwin->w_cursor.lnum > curwin->w_topline; --n)
3830 		{
3831 		    (void)hasFolding(curwin->w_cursor.lnum,
3832 						&curwin->w_cursor.lnum, NULL);
3833 		    --curwin->w_cursor.lnum;
3834 		}
3835 	    }
3836 	    else
3837 #endif
3838 		curwin->w_cursor.lnum -= cap->count1 - 1;
3839 	}
3840     }
3841     else
3842     {
3843 	if (cap->cmdchar == 'M')
3844 	{
3845 #ifdef FEAT_DIFF
3846 	    /* Don't count filler lines above the window. */
3847 	    used -= diff_check_fill(curwin, curwin->w_topline)
3848 							  - curwin->w_topfill;
3849 #endif
3850 	    validate_botline();	    /* make sure w_empty_rows is valid */
3851 	    half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
3852 	    for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
3853 	    {
3854 #ifdef FEAT_DIFF
3855 		/* Count half he number of filler lines to be "below this
3856 		 * line" and half to be "above the next line". */
3857 		if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
3858 							     + n) / 2 >= half)
3859 		{
3860 		    --n;
3861 		    break;
3862 		}
3863 #endif
3864 		used += plines(curwin->w_topline + n);
3865 		if (used >= half)
3866 		    break;
3867 #ifdef FEAT_FOLDING
3868 		if (hasFolding(curwin->w_topline + n, NULL, &lnum))
3869 		    n = lnum - curwin->w_topline;
3870 #endif
3871 	    }
3872 	    if (n > 0 && used > curwin->w_height)
3873 		--n;
3874 	}
3875 	else /* (cap->cmdchar == 'H') */
3876 	{
3877 	    n = cap->count1 - 1;
3878 #ifdef FEAT_FOLDING
3879 	    if (hasAnyFolding(curwin))
3880 	    {
3881 		/* Count a fold for one screen line. */
3882 		lnum = curwin->w_topline;
3883 		while (n-- > 0 && lnum < curwin->w_botline - 1)
3884 		{
3885 		    (void)hasFolding(lnum, NULL, &lnum);
3886 		    ++lnum;
3887 		}
3888 		n = lnum - curwin->w_topline;
3889 	    }
3890 #endif
3891 	}
3892 	curwin->w_cursor.lnum = curwin->w_topline + n;
3893 	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
3894 	    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3895     }
3896 
3897     /* Correct for 'so', except when an operator is pending. */
3898     if (cap->oap->op_type == OP_NOP)
3899 	cursor_correct();
3900     beginline(BL_SOL | BL_FIX);
3901 }
3902 
3903 /*
3904  * Cursor right commands.
3905  */
3906     static void
3907 nv_right(cmdarg_T *cap)
3908 {
3909     long	n;
3910     int		past_line;
3911 
3912     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
3913     {
3914 	/* <C-Right> and <S-Right> move a word or WORD right */
3915 	if (mod_mask & MOD_MASK_CTRL)
3916 	    cap->arg = TRUE;
3917 	nv_wordcmd(cap);
3918 	return;
3919     }
3920 
3921     cap->oap->motion_type = MCHAR;
3922     cap->oap->inclusive = FALSE;
3923     past_line = (VIsual_active && *p_sel != 'o');
3924 
3925     /*
3926      * In virtual edit mode, there's no such thing as "past_line", as lines
3927      * are (theoretically) infinitely long.
3928      */
3929     if (virtual_active())
3930 	past_line = 0;
3931 
3932     for (n = cap->count1; n > 0; --n)
3933     {
3934 	if ((!past_line && oneright() == FAIL)
3935 		|| (past_line && *ml_get_cursor() == NUL)
3936 		)
3937 	{
3938 	    /*
3939 	     *	  <Space> wraps to next line if 'whichwrap' has 's'.
3940 	     *	      'l' wraps to next line if 'whichwrap' has 'l'.
3941 	     * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
3942 	     */
3943 	    if (       ((cap->cmdchar == ' '
3944 			    && vim_strchr(p_ww, 's') != NULL)
3945 			|| (cap->cmdchar == 'l'
3946 			    && vim_strchr(p_ww, 'l') != NULL)
3947 			|| (cap->cmdchar == K_RIGHT
3948 			    && vim_strchr(p_ww, '>') != NULL))
3949 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3950 	    {
3951 		/* When deleting we also count the NL as a character.
3952 		 * Set cap->oap->inclusive when last char in the line is
3953 		 * included, move to next line after that */
3954 		if (	   cap->oap->op_type != OP_NOP
3955 			&& !cap->oap->inclusive
3956 			&& !LINEEMPTY(curwin->w_cursor.lnum))
3957 		    cap->oap->inclusive = TRUE;
3958 		else
3959 		{
3960 		    ++curwin->w_cursor.lnum;
3961 		    curwin->w_cursor.col = 0;
3962 		    curwin->w_cursor.coladd = 0;
3963 		    curwin->w_set_curswant = TRUE;
3964 		    cap->oap->inclusive = FALSE;
3965 		}
3966 		continue;
3967 	    }
3968 	    if (cap->oap->op_type == OP_NOP)
3969 	    {
3970 		/* Only beep and flush if not moved at all */
3971 		if (n == cap->count1)
3972 		    beep_flush();
3973 	    }
3974 	    else
3975 	    {
3976 		if (!LINEEMPTY(curwin->w_cursor.lnum))
3977 		    cap->oap->inclusive = TRUE;
3978 	    }
3979 	    break;
3980 	}
3981 	else if (past_line)
3982 	{
3983 	    curwin->w_set_curswant = TRUE;
3984 	    if (virtual_active())
3985 		oneright();
3986 	    else
3987 	    {
3988 		if (has_mbyte)
3989 		    curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor());
3990 		else
3991 		    ++curwin->w_cursor.col;
3992 	    }
3993 	}
3994     }
3995 #ifdef FEAT_FOLDING
3996     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
3997 					       && cap->oap->op_type == OP_NOP)
3998 	foldOpenCursor();
3999 #endif
4000 }
4001 
4002 /*
4003  * Cursor left commands.
4004  *
4005  * Returns TRUE when operator end should not be adjusted.
4006  */
4007     static void
4008 nv_left(cmdarg_T *cap)
4009 {
4010     long	n;
4011 
4012     if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4013     {
4014 	/* <C-Left> and <S-Left> move a word or WORD left */
4015 	if (mod_mask & MOD_MASK_CTRL)
4016 	    cap->arg = 1;
4017 	nv_bck_word(cap);
4018 	return;
4019     }
4020 
4021     cap->oap->motion_type = MCHAR;
4022     cap->oap->inclusive = FALSE;
4023     for (n = cap->count1; n > 0; --n)
4024     {
4025 	if (oneleft() == FAIL)
4026 	{
4027 	    /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
4028 	     *		 'h' wraps to previous line if 'whichwrap' has 'h'.
4029 	     *	   CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
4030 	     */
4031 	    if (       (((cap->cmdchar == K_BS
4032 				|| cap->cmdchar == Ctrl_H)
4033 			    && vim_strchr(p_ww, 'b') != NULL)
4034 			|| (cap->cmdchar == 'h'
4035 			    && vim_strchr(p_ww, 'h') != NULL)
4036 			|| (cap->cmdchar == K_LEFT
4037 			    && vim_strchr(p_ww, '<') != NULL))
4038 		    && curwin->w_cursor.lnum > 1)
4039 	    {
4040 		--(curwin->w_cursor.lnum);
4041 		coladvance((colnr_T)MAXCOL);
4042 		curwin->w_set_curswant = TRUE;
4043 
4044 		/* When the NL before the first char has to be deleted we
4045 		 * put the cursor on the NUL after the previous line.
4046 		 * This is a very special case, be careful!
4047 		 * Don't adjust op_end now, otherwise it won't work. */
4048 		if (	   (cap->oap->op_type == OP_DELETE
4049 			    || cap->oap->op_type == OP_CHANGE)
4050 			&& !LINEEMPTY(curwin->w_cursor.lnum))
4051 		{
4052 		    char_u *cp = ml_get_cursor();
4053 
4054 		    if (*cp != NUL)
4055 		    {
4056 			if (has_mbyte)
4057 			    curwin->w_cursor.col += (*mb_ptr2len)(cp);
4058 			else
4059 			    ++curwin->w_cursor.col;
4060 		    }
4061 		    cap->retval |= CA_NO_ADJ_OP_END;
4062 		}
4063 		continue;
4064 	    }
4065 	    /* Only beep and flush if not moved at all */
4066 	    else if (cap->oap->op_type == OP_NOP && n == cap->count1)
4067 		beep_flush();
4068 	    break;
4069 	}
4070     }
4071 #ifdef FEAT_FOLDING
4072     if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
4073 					       && cap->oap->op_type == OP_NOP)
4074 	foldOpenCursor();
4075 #endif
4076 }
4077 
4078 /*
4079  * Cursor up commands.
4080  * cap->arg is TRUE for "-": Move cursor to first non-blank.
4081  */
4082     static void
4083 nv_up(cmdarg_T *cap)
4084 {
4085     if (mod_mask & MOD_MASK_SHIFT)
4086     {
4087 	/* <S-Up> is page up */
4088 	cap->arg = BACKWARD;
4089 	nv_page(cap);
4090     }
4091     else
4092     {
4093 	cap->oap->motion_type = MLINE;
4094 	if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
4095 	    clearopbeep(cap->oap);
4096 	else if (cap->arg)
4097 	    beginline(BL_WHITE | BL_FIX);
4098     }
4099 }
4100 
4101 /*
4102  * Cursor down commands.
4103  * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
4104  */
4105     static void
4106 nv_down(cmdarg_T *cap)
4107 {
4108     if (mod_mask & MOD_MASK_SHIFT)
4109     {
4110 	/* <S-Down> is page down */
4111 	cap->arg = FORWARD;
4112 	nv_page(cap);
4113     }
4114 #if defined(FEAT_QUICKFIX)
4115     /* Quickfix window only: view the result under the cursor. */
4116     else if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
4117 	qf_view_result(FALSE);
4118 #endif
4119     else
4120     {
4121 #ifdef FEAT_CMDWIN
4122 	/* In the cmdline window a <CR> executes the command. */
4123 	if (cmdwin_type != 0 && cap->cmdchar == CAR)
4124 	    cmdwin_result = CAR;
4125 	else
4126 #endif
4127 #ifdef FEAT_JOB_CHANNEL
4128 	/* In a prompt buffer a <CR> in the last line invokes the callback. */
4129 	if (bt_prompt(curbuf) && cap->cmdchar == CAR
4130 		       && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4131 	{
4132 	    invoke_prompt_callback();
4133 	    if (restart_edit == 0)
4134 		restart_edit = 'a';
4135 	}
4136 	else
4137 #endif
4138 	{
4139 	    cap->oap->motion_type = MLINE;
4140 	    if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
4141 		clearopbeep(cap->oap);
4142 	    else if (cap->arg)
4143 		beginline(BL_WHITE | BL_FIX);
4144 	}
4145     }
4146 }
4147 
4148 #ifdef FEAT_SEARCHPATH
4149 /*
4150  * Grab the file name under the cursor and edit it.
4151  */
4152     static void
4153 nv_gotofile(cmdarg_T *cap)
4154 {
4155     char_u	*ptr;
4156     linenr_T	lnum = -1;
4157 
4158     if (text_locked())
4159     {
4160 	clearopbeep(cap->oap);
4161 	text_locked_msg();
4162 	return;
4163     }
4164     if (curbuf_locked())
4165     {
4166 	clearop(cap->oap);
4167 	return;
4168     }
4169 
4170     ptr = grab_file_name(cap->count1, &lnum);
4171 
4172     if (ptr != NULL)
4173     {
4174 	/* do autowrite if necessary */
4175 	if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !buf_hide(curbuf))
4176 	    (void)autowrite(curbuf, FALSE);
4177 	setpcmark();
4178 	if (do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
4179 				buf_hide(curbuf) ? ECMD_HIDE : 0, curwin) == OK
4180 		&& cap->nchar == 'F' && lnum >= 0)
4181 	{
4182 	    curwin->w_cursor.lnum = lnum;
4183 	    check_cursor_lnum();
4184 	    beginline(BL_SOL | BL_FIX);
4185 	}
4186 	vim_free(ptr);
4187     }
4188     else
4189 	clearop(cap->oap);
4190 }
4191 #endif
4192 
4193 /*
4194  * <End> command: to end of current line or last line.
4195  */
4196     static void
4197 nv_end(cmdarg_T *cap)
4198 {
4199     if (cap->arg || (mod_mask & MOD_MASK_CTRL))	/* CTRL-END = goto last line */
4200     {
4201 	cap->arg = TRUE;
4202 	nv_goto(cap);
4203 	cap->count1 = 1;		/* to end of current line */
4204     }
4205     nv_dollar(cap);
4206 }
4207 
4208 /*
4209  * Handle the "$" command.
4210  */
4211     static void
4212 nv_dollar(cmdarg_T *cap)
4213 {
4214     cap->oap->motion_type = MCHAR;
4215     cap->oap->inclusive = TRUE;
4216     /* In virtual mode when off the edge of a line and an operator
4217      * is pending (whew!) keep the cursor where it is.
4218      * Otherwise, send it to the end of the line. */
4219     if (!virtual_active() || gchar_cursor() != NUL
4220 					       || cap->oap->op_type == OP_NOP)
4221 	curwin->w_curswant = MAXCOL;	/* so we stay at the end */
4222     if (cursor_down((long)(cap->count1 - 1),
4223 					 cap->oap->op_type == OP_NOP) == FAIL)
4224 	clearopbeep(cap->oap);
4225 #ifdef FEAT_FOLDING
4226     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
4227 	foldOpenCursor();
4228 #endif
4229 }
4230 
4231 /*
4232  * Implementation of '?' and '/' commands.
4233  * If cap->arg is TRUE don't set PC mark.
4234  */
4235     static void
4236 nv_search(cmdarg_T *cap)
4237 {
4238     oparg_T	*oap = cap->oap;
4239     pos_T	save_cursor = curwin->w_cursor;
4240 
4241     if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
4242     {
4243 	/* Translate "g??" to "g?g?" */
4244 	cap->cmdchar = 'g';
4245 	cap->nchar = '?';
4246 	nv_operator(cap);
4247 	return;
4248     }
4249 
4250     /* When using 'incsearch' the cursor may be moved to set a different search
4251      * start position. */
4252     cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0, TRUE);
4253 
4254     if (cap->searchbuf == NULL)
4255     {
4256 	clearop(oap);
4257 	return;
4258     }
4259 
4260     (void)normal_search(cap, cap->cmdchar, cap->searchbuf,
4261 			(cap->arg || !EQUAL_POS(save_cursor, curwin->w_cursor))
4262 						      ? 0 : SEARCH_MARK, NULL);
4263 }
4264 
4265 /*
4266  * Handle "N" and "n" commands.
4267  * cap->arg is SEARCH_REV for "N", 0 for "n".
4268  */
4269     static void
4270 nv_next(cmdarg_T *cap)
4271 {
4272     pos_T   old = curwin->w_cursor;
4273     int	    wrapped = FALSE;
4274     int	    i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, &wrapped);
4275 
4276     if (i == 1 && !wrapped && EQUAL_POS(old, curwin->w_cursor))
4277     {
4278 	/* Avoid getting stuck on the current cursor position, which can
4279 	 * happen when an offset is given and the cursor is on the last char
4280 	 * in the buffer: Repeat with count + 1. */
4281 	cap->count1 += 1;
4282 	(void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, NULL);
4283 	cap->count1 -= 1;
4284     }
4285 }
4286 
4287 /*
4288  * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
4289  * Uses only cap->count1 and cap->oap from "cap".
4290  * Return 0 for failure, 1 for found, 2 for found and line offset added.
4291  */
4292     static int
4293 normal_search(
4294     cmdarg_T	*cap,
4295     int		dir,
4296     char_u	*pat,
4297     int		opt,		// extra flags for do_search()
4298     int		*wrapped)
4299 {
4300     int		i;
4301     searchit_arg_T sia;
4302 
4303     cap->oap->motion_type = MCHAR;
4304     cap->oap->inclusive = FALSE;
4305     cap->oap->use_reg_one = TRUE;
4306     curwin->w_set_curswant = TRUE;
4307 
4308     vim_memset(&sia, 0, sizeof(sia));
4309     i = do_search(cap->oap, dir, pat, cap->count1,
4310 			    opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, &sia);
4311     if (wrapped != NULL)
4312 	*wrapped = sia.sa_wrapped;
4313     if (i == 0)
4314 	clearop(cap->oap);
4315     else
4316     {
4317 	if (i == 2)
4318 	    cap->oap->motion_type = MLINE;
4319 	curwin->w_cursor.coladd = 0;
4320 #ifdef FEAT_FOLDING
4321 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
4322 	    foldOpenCursor();
4323 #endif
4324     }
4325 
4326     /* "/$" will put the cursor after the end of the line, may need to
4327      * correct that here */
4328     check_cursor();
4329     return i;
4330 }
4331 
4332 /*
4333  * Character search commands.
4334  * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
4335  * ',' and FALSE for ';'.
4336  * cap->nchar is NUL for ',' and ';' (repeat the search)
4337  */
4338     static void
4339 nv_csearch(cmdarg_T *cap)
4340 {
4341     int		t_cmd;
4342 
4343     if (cap->cmdchar == 't' || cap->cmdchar == 'T')
4344 	t_cmd = TRUE;
4345     else
4346 	t_cmd = FALSE;
4347 
4348     cap->oap->motion_type = MCHAR;
4349     if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
4350 	clearopbeep(cap->oap);
4351     else
4352     {
4353 	curwin->w_set_curswant = TRUE;
4354 	/* Include a Tab for "tx" and for "dfx". */
4355 	if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
4356 		&& (t_cmd || cap->oap->op_type != OP_NOP))
4357 	{
4358 	    colnr_T	scol, ecol;
4359 
4360 	    getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
4361 	    curwin->w_cursor.coladd = ecol - scol;
4362 	}
4363 	else
4364 	    curwin->w_cursor.coladd = 0;
4365 	adjust_for_sel(cap);
4366 #ifdef FEAT_FOLDING
4367 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
4368 	    foldOpenCursor();
4369 #endif
4370     }
4371 }
4372 
4373 /*
4374  * "[" and "]" commands.
4375  * cap->arg is BACKWARD for "[" and FORWARD for "]".
4376  */
4377     static void
4378 nv_brackets(cmdarg_T *cap)
4379 {
4380     pos_T	new_pos = {0, 0, 0};
4381     pos_T	prev_pos;
4382     pos_T	*pos = NULL;	    /* init for GCC */
4383     pos_T	old_pos;	    /* cursor position before command */
4384     int		flag;
4385     long	n;
4386     int		findc;
4387     int		c;
4388 
4389     cap->oap->motion_type = MCHAR;
4390     cap->oap->inclusive = FALSE;
4391     old_pos = curwin->w_cursor;
4392     curwin->w_cursor.coladd = 0;    // TODO: don't do this for an error.
4393 
4394 #ifdef FEAT_SEARCHPATH
4395     /*
4396      * "[f" or "]f" : Edit file under the cursor (same as "gf")
4397      */
4398     if (cap->nchar == 'f')
4399 	nv_gotofile(cap);
4400     else
4401 #endif
4402 
4403 #ifdef FEAT_FIND_ID
4404     /*
4405      * Find the occurrence(s) of the identifier or define under cursor
4406      * in current and included files or jump to the first occurrence.
4407      *
4408      *			search	     list	    jump
4409      *		      fwd   bwd    fwd	 bwd	 fwd	bwd
4410      * identifier     "]i"  "[i"   "]I"  "[I"	"]^I"  "[^I"
4411      * define	      "]d"  "[d"   "]D"  "[D"	"]^D"  "[^D"
4412      */
4413     if (vim_strchr((char_u *)
4414 # ifdef EBCDIC
4415 		"iI\005dD\067",
4416 # else
4417 		"iI\011dD\004",
4418 # endif
4419 		cap->nchar) != NULL)
4420     {
4421 	char_u	*ptr;
4422 	int	len;
4423 
4424 	if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
4425 	    clearop(cap->oap);
4426 	else
4427 	{
4428 	    find_pattern_in_path(ptr, 0, len, TRUE,
4429 		cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
4430 		((cap->nchar & 0xf) == ('d' & 0xf)) ?  FIND_DEFINE : FIND_ANY,
4431 		cap->count1,
4432 		isupper(cap->nchar) ? ACTION_SHOW_ALL :
4433 			    islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
4434 		cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
4435 		(linenr_T)MAXLNUM);
4436 	    curwin->w_set_curswant = TRUE;
4437 	}
4438     }
4439     else
4440 #endif
4441 
4442     /*
4443      * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
4444      * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
4445      * "[/", "[*", "]/", "]*": go to Nth comment start/end.
4446      * "[m" or "]m" search for prev/next start of (Java) method.
4447      * "[M" or "]M" search for prev/next end of (Java) method.
4448      */
4449     if (  (cap->cmdchar == '['
4450 		&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
4451 	    || (cap->cmdchar == ']'
4452 		&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
4453     {
4454 	if (cap->nchar == '*')
4455 	    cap->nchar = '/';
4456 	prev_pos.lnum = 0;
4457 	if (cap->nchar == 'm' || cap->nchar == 'M')
4458 	{
4459 	    if (cap->cmdchar == '[')
4460 		findc = '{';
4461 	    else
4462 		findc = '}';
4463 	    n = 9999;
4464 	}
4465 	else
4466 	{
4467 	    findc = cap->nchar;
4468 	    n = cap->count1;
4469 	}
4470 	for ( ; n > 0; --n)
4471 	{
4472 	    if ((pos = findmatchlimit(cap->oap, findc,
4473 		(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
4474 	    {
4475 		if (new_pos.lnum == 0)	/* nothing found */
4476 		{
4477 		    if (cap->nchar != 'm' && cap->nchar != 'M')
4478 			clearopbeep(cap->oap);
4479 		}
4480 		else
4481 		    pos = &new_pos;	/* use last one found */
4482 		break;
4483 	    }
4484 	    prev_pos = new_pos;
4485 	    curwin->w_cursor = *pos;
4486 	    new_pos = *pos;
4487 	}
4488 	curwin->w_cursor = old_pos;
4489 
4490 	/*
4491 	 * Handle "[m", "]m", "[M" and "[M".  The findmatchlimit() only
4492 	 * brought us to the match for "[m" and "]M" when inside a method.
4493 	 * Try finding the '{' or '}' we want to be at.
4494 	 * Also repeat for the given count.
4495 	 */
4496 	if (cap->nchar == 'm' || cap->nchar == 'M')
4497 	{
4498 	    /* norm is TRUE for "]M" and "[m" */
4499 	    int	    norm = ((findc == '{') == (cap->nchar == 'm'));
4500 
4501 	    n = cap->count1;
4502 	    /* found a match: we were inside a method */
4503 	    if (prev_pos.lnum != 0)
4504 	    {
4505 		pos = &prev_pos;
4506 		curwin->w_cursor = prev_pos;
4507 		if (norm)
4508 		    --n;
4509 	    }
4510 	    else
4511 		pos = NULL;
4512 	    while (n > 0)
4513 	    {
4514 		for (;;)
4515 		{
4516 		    if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
4517 		    {
4518 			/* if not found anything, that's an error */
4519 			if (pos == NULL)
4520 			    clearopbeep(cap->oap);
4521 			n = 0;
4522 			break;
4523 		    }
4524 		    c = gchar_cursor();
4525 		    if (c == '{' || c == '}')
4526 		    {
4527 			/* Must have found end/start of class: use it.
4528 			 * Or found the place to be at. */
4529 			if ((c == findc && norm) || (n == 1 && !norm))
4530 			{
4531 			    new_pos = curwin->w_cursor;
4532 			    pos = &new_pos;
4533 			    n = 0;
4534 			}
4535 			/* if no match found at all, we started outside of the
4536 			 * class and we're inside now.  Just go on. */
4537 			else if (new_pos.lnum == 0)
4538 			{
4539 			    new_pos = curwin->w_cursor;
4540 			    pos = &new_pos;
4541 			}
4542 			/* found start/end of other method: go to match */
4543 			else if ((pos = findmatchlimit(cap->oap, findc,
4544 			    (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
4545 								  0)) == NULL)
4546 			    n = 0;
4547 			else
4548 			    curwin->w_cursor = *pos;
4549 			break;
4550 		    }
4551 		}
4552 		--n;
4553 	    }
4554 	    curwin->w_cursor = old_pos;
4555 	    if (pos == NULL && new_pos.lnum != 0)
4556 		clearopbeep(cap->oap);
4557 	}
4558 	if (pos != NULL)
4559 	{
4560 	    setpcmark();
4561 	    curwin->w_cursor = *pos;
4562 	    curwin->w_set_curswant = TRUE;
4563 #ifdef FEAT_FOLDING
4564 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped
4565 					       && cap->oap->op_type == OP_NOP)
4566 		foldOpenCursor();
4567 #endif
4568 	}
4569     }
4570 
4571     /*
4572      * "[[", "[]", "]]" and "][": move to start or end of function
4573      */
4574     else if (cap->nchar == '[' || cap->nchar == ']')
4575     {
4576 	if (cap->nchar == cap->cmdchar)		    /* "]]" or "[[" */
4577 	    flag = '{';
4578 	else
4579 	    flag = '}';		    /* "][" or "[]" */
4580 
4581 	curwin->w_set_curswant = TRUE;
4582 	/*
4583 	 * Imitate strange Vi behaviour: When using "]]" with an operator
4584 	 * we also stop at '}'.
4585 	 */
4586 	if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
4587 	      (cap->oap->op_type != OP_NOP
4588 				      && cap->arg == FORWARD && flag == '{')))
4589 	    clearopbeep(cap->oap);
4590 	else
4591 	{
4592 	    if (cap->oap->op_type == OP_NOP)
4593 		beginline(BL_WHITE | BL_FIX);
4594 #ifdef FEAT_FOLDING
4595 	    if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
4596 		foldOpenCursor();
4597 #endif
4598 	}
4599     }
4600 
4601     /*
4602      * "[p", "[P", "]P" and "]p": put with indent adjustment
4603      */
4604     else if (cap->nchar == 'p' || cap->nchar == 'P')
4605     {
4606 	nv_put_opt(cap, TRUE);
4607     }
4608 
4609     /*
4610      * "['", "[`", "]'" and "]`": jump to next mark
4611      */
4612     else if (cap->nchar == '\'' || cap->nchar == '`')
4613     {
4614 	pos = &curwin->w_cursor;
4615 	for (n = cap->count1; n > 0; --n)
4616 	{
4617 	    prev_pos = *pos;
4618 	    pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
4619 							  cap->nchar == '\'');
4620 	    if (pos == NULL)
4621 		break;
4622 	}
4623 	if (pos == NULL)
4624 	    pos = &prev_pos;
4625 	nv_cursormark(cap, cap->nchar == '\'', pos);
4626     }
4627 
4628     /*
4629      * [ or ] followed by a middle mouse click: put selected text with
4630      * indent adjustment.  Any other button just does as usual.
4631      */
4632     else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE)
4633     {
4634 	(void)do_mouse(cap->oap, cap->nchar,
4635 		       (cap->cmdchar == ']') ? FORWARD : BACKWARD,
4636 		       cap->count1, PUT_FIXINDENT);
4637     }
4638 
4639 #ifdef FEAT_FOLDING
4640     /*
4641      * "[z" and "]z": move to start or end of open fold.
4642      */
4643     else if (cap->nchar == 'z')
4644     {
4645 	if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
4646 							 cap->count1) == FAIL)
4647 	    clearopbeep(cap->oap);
4648     }
4649 #endif
4650 
4651 #ifdef FEAT_DIFF
4652     /*
4653      * "[c" and "]c": move to next or previous diff-change.
4654      */
4655     else if (cap->nchar == 'c')
4656     {
4657 	if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
4658 							 cap->count1) == FAIL)
4659 	    clearopbeep(cap->oap);
4660     }
4661 #endif
4662 
4663 #ifdef FEAT_SPELL
4664     /*
4665      * "[s", "[S", "]s" and "]S": move to next spell error.
4666      */
4667     else if (cap->nchar == 's' || cap->nchar == 'S')
4668     {
4669 	setpcmark();
4670 	for (n = 0; n < cap->count1; ++n)
4671 	    if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
4672 			  cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
4673 	    {
4674 		clearopbeep(cap->oap);
4675 		break;
4676 	    }
4677 	    else
4678 		curwin->w_set_curswant = TRUE;
4679 # ifdef FEAT_FOLDING
4680 	if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
4681 	    foldOpenCursor();
4682 # endif
4683     }
4684 #endif
4685 
4686     /* Not a valid cap->nchar. */
4687     else
4688 	clearopbeep(cap->oap);
4689 }
4690 
4691 /*
4692  * Handle Normal mode "%" command.
4693  */
4694     static void
4695 nv_percent(cmdarg_T *cap)
4696 {
4697     pos_T	*pos;
4698 #if defined(FEAT_FOLDING)
4699     linenr_T	lnum = curwin->w_cursor.lnum;
4700 #endif
4701 
4702     cap->oap->inclusive = TRUE;
4703     if (cap->count0)	    /* {cnt}% : goto {cnt} percentage in file */
4704     {
4705 	if (cap->count0 > 100)
4706 	    clearopbeep(cap->oap);
4707 	else
4708 	{
4709 	    cap->oap->motion_type = MLINE;
4710 	    setpcmark();
4711 	    /* Round up, so CTRL-G will give same value.  Watch out for a
4712 	     * large line count, the line number must not go negative! */
4713 	    if (curbuf->b_ml.ml_line_count > 1000000)
4714 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
4715 							 / 100L * cap->count0;
4716 	    else
4717 		curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
4718 						    cap->count0 + 99L) / 100L;
4719 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
4720 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4721 	    beginline(BL_SOL | BL_FIX);
4722 	}
4723     }
4724     else		    /* "%" : go to matching paren */
4725     {
4726 	cap->oap->motion_type = MCHAR;
4727 	cap->oap->use_reg_one = TRUE;
4728 	if ((pos = findmatch(cap->oap, NUL)) == NULL)
4729 	    clearopbeep(cap->oap);
4730 	else
4731 	{
4732 	    setpcmark();
4733 	    curwin->w_cursor = *pos;
4734 	    curwin->w_set_curswant = TRUE;
4735 	    curwin->w_cursor.coladd = 0;
4736 	    adjust_for_sel(cap);
4737 	}
4738     }
4739 #ifdef FEAT_FOLDING
4740     if (cap->oap->op_type == OP_NOP
4741 	    && lnum != curwin->w_cursor.lnum
4742 	    && (fdo_flags & FDO_PERCENT)
4743 	    && KeyTyped)
4744 	foldOpenCursor();
4745 #endif
4746 }
4747 
4748 /*
4749  * Handle "(" and ")" commands.
4750  * cap->arg is BACKWARD for "(" and FORWARD for ")".
4751  */
4752     static void
4753 nv_brace(cmdarg_T *cap)
4754 {
4755     cap->oap->motion_type = MCHAR;
4756     cap->oap->use_reg_one = TRUE;
4757     /* The motion used to be inclusive for "(", but that is not what Vi does. */
4758     cap->oap->inclusive = FALSE;
4759     curwin->w_set_curswant = TRUE;
4760 
4761     if (findsent(cap->arg, cap->count1) == FAIL)
4762 	clearopbeep(cap->oap);
4763     else
4764     {
4765 	/* Don't leave the cursor on the NUL past end of line. */
4766 	adjust_cursor(cap->oap);
4767 	curwin->w_cursor.coladd = 0;
4768 #ifdef FEAT_FOLDING
4769 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
4770 	    foldOpenCursor();
4771 #endif
4772     }
4773 }
4774 
4775 /*
4776  * "m" command: Mark a position.
4777  */
4778     static void
4779 nv_mark(cmdarg_T *cap)
4780 {
4781     if (!checkclearop(cap->oap))
4782     {
4783 	if (setmark(cap->nchar) == FAIL)
4784 	    clearopbeep(cap->oap);
4785     }
4786 }
4787 
4788 /*
4789  * "{" and "}" commands.
4790  * cmd->arg is BACKWARD for "{" and FORWARD for "}".
4791  */
4792     static void
4793 nv_findpar(cmdarg_T *cap)
4794 {
4795     cap->oap->motion_type = MCHAR;
4796     cap->oap->inclusive = FALSE;
4797     cap->oap->use_reg_one = TRUE;
4798     curwin->w_set_curswant = TRUE;
4799     if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
4800 	clearopbeep(cap->oap);
4801     else
4802     {
4803 	curwin->w_cursor.coladd = 0;
4804 #ifdef FEAT_FOLDING
4805 	if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
4806 	    foldOpenCursor();
4807 #endif
4808     }
4809 }
4810 
4811 /*
4812  * "u" command: Undo or make lower case.
4813  */
4814     static void
4815 nv_undo(cmdarg_T *cap)
4816 {
4817     if (cap->oap->op_type == OP_LOWER || VIsual_active)
4818     {
4819 	/* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
4820 	cap->cmdchar = 'g';
4821 	cap->nchar = 'u';
4822 	nv_operator(cap);
4823     }
4824     else
4825 	nv_kundo(cap);
4826 }
4827 
4828 /*
4829  * <Undo> command.
4830  */
4831     static void
4832 nv_kundo(cmdarg_T *cap)
4833 {
4834     if (!checkclearopq(cap->oap))
4835     {
4836 #ifdef FEAT_JOB_CHANNEL
4837 	if (bt_prompt(curbuf))
4838 	{
4839 	    clearopbeep(cap->oap);
4840 	    return;
4841 	}
4842 #endif
4843 	u_undo((int)cap->count1);
4844 	curwin->w_set_curswant = TRUE;
4845     }
4846 }
4847 
4848 /*
4849  * Handle the "r" command.
4850  */
4851     static void
4852 nv_replace(cmdarg_T *cap)
4853 {
4854     char_u	*ptr;
4855     int		had_ctrl_v;
4856     long	n;
4857 
4858     if (checkclearop(cap->oap))
4859 	return;
4860 #ifdef FEAT_JOB_CHANNEL
4861     if (bt_prompt(curbuf) && !prompt_curpos_editable())
4862     {
4863 	clearopbeep(cap->oap);
4864 	return;
4865     }
4866 #endif
4867 
4868     /* get another character */
4869     if (cap->nchar == Ctrl_V)
4870     {
4871 	had_ctrl_v = Ctrl_V;
4872 	cap->nchar = get_literal();
4873 	/* Don't redo a multibyte character with CTRL-V. */
4874 	if (cap->nchar > DEL)
4875 	    had_ctrl_v = NUL;
4876     }
4877     else
4878 	had_ctrl_v = NUL;
4879 
4880     /* Abort if the character is a special key. */
4881     if (IS_SPECIAL(cap->nchar))
4882     {
4883 	clearopbeep(cap->oap);
4884 	return;
4885     }
4886 
4887     /* Visual mode "r" */
4888     if (VIsual_active)
4889     {
4890 	if (got_int)
4891 	    reset_VIsual();
4892 	if (had_ctrl_v)
4893 	{
4894 	    /* Use a special (negative) number to make a difference between a
4895 	     * literal CR or NL and a line break. */
4896 	    if (cap->nchar == CAR)
4897 		cap->nchar = REPLACE_CR_NCHAR;
4898 	    else if (cap->nchar == NL)
4899 		cap->nchar = REPLACE_NL_NCHAR;
4900 	}
4901 	nv_operator(cap);
4902 	return;
4903     }
4904 
4905     /* Break tabs, etc. */
4906     if (virtual_active())
4907     {
4908 	if (u_save_cursor() == FAIL)
4909 	    return;
4910 	if (gchar_cursor() == NUL)
4911 	{
4912 	    /* Add extra space and put the cursor on the first one. */
4913 	    coladvance_force((colnr_T)(getviscol() + cap->count1));
4914 	    curwin->w_cursor.col -= cap->count1;
4915 	}
4916 	else if (gchar_cursor() == TAB)
4917 	    coladvance_force(getviscol());
4918     }
4919 
4920     /* Abort if not enough characters to replace. */
4921     ptr = ml_get_cursor();
4922     if (STRLEN(ptr) < (unsigned)cap->count1
4923 	    || (has_mbyte && mb_charlen(ptr) < cap->count1))
4924     {
4925 	clearopbeep(cap->oap);
4926 	return;
4927     }
4928 
4929     /*
4930      * Replacing with a TAB is done by edit() when it is complicated because
4931      * 'expandtab' or 'smarttab' is set.  CTRL-V TAB inserts a literal TAB.
4932      * Other characters are done below to avoid problems with things like
4933      * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
4934      */
4935     if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
4936     {
4937 	stuffnumReadbuff(cap->count1);
4938 	stuffcharReadbuff('R');
4939 	stuffcharReadbuff('\t');
4940 	stuffcharReadbuff(ESC);
4941 	return;
4942     }
4943 
4944     /* save line for undo */
4945     if (u_save_cursor() == FAIL)
4946 	return;
4947 
4948     if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
4949     {
4950 	/*
4951 	 * Replace character(s) by a single newline.
4952 	 * Strange vi behaviour: Only one newline is inserted.
4953 	 * Delete the characters here.
4954 	 * Insert the newline with an insert command, takes care of
4955 	 * autoindent.	The insert command depends on being on the last
4956 	 * character of a line or not.
4957 	 */
4958 	(void)del_chars(cap->count1, FALSE);	/* delete the characters */
4959 	stuffcharReadbuff('\r');
4960 	stuffcharReadbuff(ESC);
4961 
4962 	/* Give 'r' to edit(), to get the redo command right. */
4963 	invoke_edit(cap, TRUE, 'r', FALSE);
4964     }
4965     else
4966     {
4967 	prep_redo(cap->oap->regname, cap->count1,
4968 				       NUL, 'r', NUL, had_ctrl_v, cap->nchar);
4969 
4970 	curbuf->b_op_start = curwin->w_cursor;
4971 	if (has_mbyte)
4972 	{
4973 	    int		old_State = State;
4974 
4975 	    if (cap->ncharC1 != 0)
4976 		AppendCharToRedobuff(cap->ncharC1);
4977 	    if (cap->ncharC2 != 0)
4978 		AppendCharToRedobuff(cap->ncharC2);
4979 
4980 	    /* This is slow, but it handles replacing a single-byte with a
4981 	     * multi-byte and the other way around.  Also handles adding
4982 	     * composing characters for utf-8. */
4983 	    for (n = cap->count1; n > 0; --n)
4984 	    {
4985 		State = REPLACE;
4986 		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
4987 		{
4988 		    int c = ins_copychar(curwin->w_cursor.lnum
4989 					   + (cap->nchar == Ctrl_Y ? -1 : 1));
4990 		    if (c != NUL)
4991 			ins_char(c);
4992 		    else
4993 			/* will be decremented further down */
4994 			++curwin->w_cursor.col;
4995 		}
4996 		else
4997 		    ins_char(cap->nchar);
4998 		State = old_State;
4999 		if (cap->ncharC1 != 0)
5000 		    ins_char(cap->ncharC1);
5001 		if (cap->ncharC2 != 0)
5002 		    ins_char(cap->ncharC2);
5003 	    }
5004 	}
5005 	else
5006 	{
5007 	    /*
5008 	     * Replace the characters within one line.
5009 	     */
5010 	    for (n = cap->count1; n > 0; --n)
5011 	    {
5012 		/*
5013 		 * Get ptr again, because u_save and/or showmatch() will have
5014 		 * released the line.  At the same time we let know that the
5015 		 * line will be changed.
5016 		 */
5017 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
5018 		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
5019 		{
5020 		  int c = ins_copychar(curwin->w_cursor.lnum
5021 					   + (cap->nchar == Ctrl_Y ? -1 : 1));
5022 		  if (c != NUL)
5023 		    ptr[curwin->w_cursor.col] = c;
5024 		}
5025 		else
5026 		    ptr[curwin->w_cursor.col] = cap->nchar;
5027 		if (p_sm && msg_silent == 0)
5028 		    showmatch(cap->nchar);
5029 		++curwin->w_cursor.col;
5030 	    }
5031 #ifdef FEAT_NETBEANS_INTG
5032 	    if (netbeans_active())
5033 	    {
5034 		colnr_T  start = (colnr_T)(curwin->w_cursor.col - cap->count1);
5035 
5036 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
5037 							   (long)cap->count1);
5038 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
5039 					       &ptr[start], (int)cap->count1);
5040 	    }
5041 #endif
5042 
5043 	    /* mark the buffer as changed and prepare for displaying */
5044 	    changed_bytes(curwin->w_cursor.lnum,
5045 			       (colnr_T)(curwin->w_cursor.col - cap->count1));
5046 	}
5047 	--curwin->w_cursor.col;	    /* cursor on the last replaced char */
5048 	/* if the character on the left of the current cursor is a multi-byte
5049 	 * character, move two characters left */
5050 	if (has_mbyte)
5051 	    mb_adjust_cursor();
5052 	curbuf->b_op_end = curwin->w_cursor;
5053 	curwin->w_set_curswant = TRUE;
5054 	set_last_insert(cap->nchar);
5055     }
5056 }
5057 
5058 /*
5059  * 'o': Exchange start and end of Visual area.
5060  * 'O': same, but in block mode exchange left and right corners.
5061  */
5062     static void
5063 v_swap_corners(int cmdchar)
5064 {
5065     pos_T	old_cursor;
5066     colnr_T	left, right;
5067 
5068     if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
5069     {
5070 	old_cursor = curwin->w_cursor;
5071 	getvcols(curwin, &old_cursor, &VIsual, &left, &right);
5072 	curwin->w_cursor.lnum = VIsual.lnum;
5073 	coladvance(left);
5074 	VIsual = curwin->w_cursor;
5075 
5076 	curwin->w_cursor.lnum = old_cursor.lnum;
5077 	curwin->w_curswant = right;
5078 	/* 'selection "exclusive" and cursor at right-bottom corner: move it
5079 	 * right one column */
5080 	if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
5081 	    ++curwin->w_curswant;
5082 	coladvance(curwin->w_curswant);
5083 	if (curwin->w_cursor.col == old_cursor.col
5084 		&& (!virtual_active()
5085 		    || curwin->w_cursor.coladd == old_cursor.coladd))
5086 	{
5087 	    curwin->w_cursor.lnum = VIsual.lnum;
5088 	    if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
5089 		++right;
5090 	    coladvance(right);
5091 	    VIsual = curwin->w_cursor;
5092 
5093 	    curwin->w_cursor.lnum = old_cursor.lnum;
5094 	    coladvance(left);
5095 	    curwin->w_curswant = left;
5096 	}
5097     }
5098     else
5099     {
5100 	old_cursor = curwin->w_cursor;
5101 	curwin->w_cursor = VIsual;
5102 	VIsual = old_cursor;
5103 	curwin->w_set_curswant = TRUE;
5104     }
5105 }
5106 
5107 /*
5108  * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
5109  */
5110     static void
5111 nv_Replace(cmdarg_T *cap)
5112 {
5113     if (VIsual_active)		/* "R" is replace lines */
5114     {
5115 	cap->cmdchar = 'c';
5116 	cap->nchar = NUL;
5117 	VIsual_mode_orig = VIsual_mode; /* remember original area for gv */
5118 	VIsual_mode = 'V';
5119 	nv_operator(cap);
5120     }
5121     else if (!checkclearopq(cap->oap))
5122     {
5123 	if (!curbuf->b_p_ma)
5124 	    emsg(_(e_modifiable));
5125 	else
5126 	{
5127 	    if (virtual_active())
5128 		coladvance(getviscol());
5129 	    invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
5130 	}
5131     }
5132 }
5133 
5134 /*
5135  * "gr".
5136  */
5137     static void
5138 nv_vreplace(cmdarg_T *cap)
5139 {
5140     if (VIsual_active)
5141     {
5142 	cap->cmdchar = 'r';
5143 	cap->nchar = cap->extra_char;
5144 	nv_replace(cap);	/* Do same as "r" in Visual mode for now */
5145     }
5146     else if (!checkclearopq(cap->oap))
5147     {
5148 	if (!curbuf->b_p_ma)
5149 	    emsg(_(e_modifiable));
5150 	else
5151 	{
5152 	    if (cap->extra_char == Ctrl_V)	/* get another character */
5153 		cap->extra_char = get_literal();
5154 	    stuffcharReadbuff(cap->extra_char);
5155 	    stuffcharReadbuff(ESC);
5156 	    if (virtual_active())
5157 		coladvance(getviscol());
5158 	    invoke_edit(cap, TRUE, 'v', FALSE);
5159 	}
5160     }
5161 }
5162 
5163 /*
5164  * Swap case for "~" command, when it does not work like an operator.
5165  */
5166     static void
5167 n_swapchar(cmdarg_T *cap)
5168 {
5169     long	n;
5170     pos_T	startpos;
5171     int		did_change = 0;
5172 #ifdef FEAT_NETBEANS_INTG
5173     pos_T	pos;
5174     char_u	*ptr;
5175     int		count;
5176 #endif
5177 
5178     if (checkclearopq(cap->oap))
5179 	return;
5180 
5181     if (LINEEMPTY(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
5182     {
5183 	clearopbeep(cap->oap);
5184 	return;
5185     }
5186 
5187     prep_redo_cmd(cap);
5188 
5189     if (u_save_cursor() == FAIL)
5190 	return;
5191 
5192     startpos = curwin->w_cursor;
5193 #ifdef FEAT_NETBEANS_INTG
5194     pos = startpos;
5195 #endif
5196     for (n = cap->count1; n > 0; --n)
5197     {
5198 	did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
5199 	inc_cursor();
5200 	if (gchar_cursor() == NUL)
5201 	{
5202 	    if (vim_strchr(p_ww, '~') != NULL
5203 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5204 	    {
5205 #ifdef FEAT_NETBEANS_INTG
5206 		if (netbeans_active())
5207 		{
5208 		    if (did_change)
5209 		    {
5210 			ptr = ml_get(pos.lnum);
5211 			count = (int)STRLEN(ptr) - pos.col;
5212 			netbeans_removed(curbuf, pos.lnum, pos.col,
5213 								 (long)count);
5214 			netbeans_inserted(curbuf, pos.lnum, pos.col,
5215 							&ptr[pos.col], count);
5216 		    }
5217 		    pos.col = 0;
5218 		    pos.lnum++;
5219 		}
5220 #endif
5221 		++curwin->w_cursor.lnum;
5222 		curwin->w_cursor.col = 0;
5223 		if (n > 1)
5224 		{
5225 		    if (u_savesub(curwin->w_cursor.lnum) == FAIL)
5226 			break;
5227 		    u_clearline();
5228 		}
5229 	    }
5230 	    else
5231 		break;
5232 	}
5233     }
5234 #ifdef FEAT_NETBEANS_INTG
5235     if (did_change && netbeans_active())
5236     {
5237 	ptr = ml_get(pos.lnum);
5238 	count = curwin->w_cursor.col - pos.col;
5239 	netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
5240 	netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
5241     }
5242 #endif
5243 
5244 
5245     check_cursor();
5246     curwin->w_set_curswant = TRUE;
5247     if (did_change)
5248     {
5249 	changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
5250 									  0L);
5251 	curbuf->b_op_start = startpos;
5252 	curbuf->b_op_end = curwin->w_cursor;
5253 	if (curbuf->b_op_end.col > 0)
5254 	    --curbuf->b_op_end.col;
5255     }
5256 }
5257 
5258 /*
5259  * Move cursor to mark.
5260  */
5261     static void
5262 nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos)
5263 {
5264     if (check_mark(pos) == FAIL)
5265 	clearop(cap->oap);
5266     else
5267     {
5268 	if (cap->cmdchar == '\''
5269 		|| cap->cmdchar == '`'
5270 		|| cap->cmdchar == '['
5271 		|| cap->cmdchar == ']')
5272 	    setpcmark();
5273 	curwin->w_cursor = *pos;
5274 	if (flag)
5275 	    beginline(BL_WHITE | BL_FIX);
5276 	else
5277 	    check_cursor();
5278     }
5279     cap->oap->motion_type = flag ? MLINE : MCHAR;
5280     if (cap->cmdchar == '`')
5281 	cap->oap->use_reg_one = TRUE;
5282     cap->oap->inclusive = FALSE;		/* ignored if not MCHAR */
5283     curwin->w_set_curswant = TRUE;
5284 }
5285 
5286 /*
5287  * Handle commands that are operators in Visual mode.
5288  */
5289     static void
5290 v_visop(cmdarg_T *cap)
5291 {
5292     static char_u trans[] = "YyDdCcxdXdAAIIrr";
5293 
5294     /* Uppercase means linewise, except in block mode, then "D" deletes till
5295      * the end of the line, and "C" replaces till EOL */
5296     if (isupper(cap->cmdchar))
5297     {
5298 	if (VIsual_mode != Ctrl_V)
5299 	{
5300 	    VIsual_mode_orig = VIsual_mode;
5301 	    VIsual_mode = 'V';
5302 	}
5303 	else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
5304 	    curwin->w_curswant = MAXCOL;
5305     }
5306     cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
5307     nv_operator(cap);
5308 }
5309 
5310 /*
5311  * "s" and "S" commands.
5312  */
5313     static void
5314 nv_subst(cmdarg_T *cap)
5315 {
5316 #ifdef FEAT_TERMINAL
5317     /* When showing output of term_dumpdiff() swap the top and botom. */
5318     if (term_swap_diff() == OK)
5319 	return;
5320 #endif
5321 #ifdef FEAT_JOB_CHANNEL
5322     if (bt_prompt(curbuf) && !prompt_curpos_editable())
5323     {
5324 	clearopbeep(cap->oap);
5325 	return;
5326     }
5327 #endif
5328     if (VIsual_active)	/* "vs" and "vS" are the same as "vc" */
5329     {
5330 	if (cap->cmdchar == 'S')
5331 	{
5332 	    VIsual_mode_orig = VIsual_mode;
5333 	    VIsual_mode = 'V';
5334 	}
5335 	cap->cmdchar = 'c';
5336 	nv_operator(cap);
5337     }
5338     else
5339 	nv_optrans(cap);
5340 }
5341 
5342 /*
5343  * Abbreviated commands.
5344  */
5345     static void
5346 nv_abbrev(cmdarg_T *cap)
5347 {
5348     if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
5349 	cap->cmdchar = 'x';		/* DEL key behaves like 'x' */
5350 
5351     /* in Visual mode these commands are operators */
5352     if (VIsual_active)
5353 	v_visop(cap);
5354     else
5355 	nv_optrans(cap);
5356 }
5357 
5358 /*
5359  * Translate a command into another command.
5360  */
5361     static void
5362 nv_optrans(cmdarg_T *cap)
5363 {
5364     static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
5365 			      (char_u *)"d$", (char_u *)"c$",
5366 			      (char_u *)"cl", (char_u *)"cc",
5367 			      (char_u *)"yy", (char_u *)":s\r"};
5368     static char_u *str = (char_u *)"xXDCsSY&";
5369 
5370     if (!checkclearopq(cap->oap))
5371     {
5372 	// In Vi "2D" doesn't delete the next line.  Can't translate it
5373 	// either, because "2." should also not use the count.
5374 	if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
5375 	{
5376 	    cap->oap->start = curwin->w_cursor;
5377 	    cap->oap->op_type = OP_DELETE;
5378 #ifdef FEAT_EVAL
5379 	    set_op_var(OP_DELETE);
5380 #endif
5381 	    cap->count1 = 1;
5382 	    nv_dollar(cap);
5383 	    finish_op = TRUE;
5384 	    ResetRedobuff();
5385 	    AppendCharToRedobuff('D');
5386 	}
5387 	else
5388 	{
5389 	    if (cap->count0)
5390 		stuffnumReadbuff(cap->count0);
5391 	    stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
5392 	}
5393     }
5394     cap->opcount = 0;
5395 }
5396 
5397 /*
5398  * "'" and "`" commands.  Also for "g'" and "g`".
5399  * cap->arg is TRUE for "'" and "g'".
5400  */
5401     static void
5402 nv_gomark(cmdarg_T *cap)
5403 {
5404     pos_T	*pos;
5405     int		c;
5406 #ifdef FEAT_FOLDING
5407     pos_T	old_cursor = curwin->w_cursor;
5408     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
5409 #endif
5410 
5411     if (cap->cmdchar == 'g')
5412 	c = cap->extra_char;
5413     else
5414 	c = cap->nchar;
5415     pos = getmark(c, (cap->oap->op_type == OP_NOP));
5416     if (pos == (pos_T *)-1)	    /* jumped to other file */
5417     {
5418 	if (cap->arg)
5419 	{
5420 	    check_cursor_lnum();
5421 	    beginline(BL_WHITE | BL_FIX);
5422 	}
5423 	else
5424 	    check_cursor();
5425     }
5426     else
5427 	nv_cursormark(cap, cap->arg, pos);
5428 
5429     /* May need to clear the coladd that a mark includes. */
5430     if (!virtual_active())
5431 	curwin->w_cursor.coladd = 0;
5432     check_cursor_col();
5433 #ifdef FEAT_FOLDING
5434     if (cap->oap->op_type == OP_NOP
5435 	    && pos != NULL
5436 	    && (pos == (pos_T *)-1 || !EQUAL_POS(old_cursor, *pos))
5437 	    && (fdo_flags & FDO_MARK)
5438 	    && old_KeyTyped)
5439 	foldOpenCursor();
5440 #endif
5441 }
5442 
5443 /*
5444  * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
5445  */
5446     static void
5447 nv_pcmark(cmdarg_T *cap)
5448 {
5449 #ifdef FEAT_JUMPLIST
5450     pos_T	*pos;
5451 # ifdef FEAT_FOLDING
5452     linenr_T	lnum = curwin->w_cursor.lnum;
5453     int		old_KeyTyped = KeyTyped;    /* getting file may reset it */
5454 # endif
5455 
5456     if (!checkclearopq(cap->oap))
5457     {
5458 	if (cap->cmdchar == 'g')
5459 	    pos = movechangelist((int)cap->count1);
5460 	else
5461 	    pos = movemark((int)cap->count1);
5462 	if (pos == (pos_T *)-1)		/* jump to other file */
5463 	{
5464 	    curwin->w_set_curswant = TRUE;
5465 	    check_cursor();
5466 	}
5467 	else if (pos != NULL)		    /* can jump */
5468 	    nv_cursormark(cap, FALSE, pos);
5469 	else if (cap->cmdchar == 'g')
5470 	{
5471 	    if (curbuf->b_changelistlen == 0)
5472 		emsg(_("E664: changelist is empty"));
5473 	    else if (cap->count1 < 0)
5474 		emsg(_("E662: At start of changelist"));
5475 	    else
5476 		emsg(_("E663: At end of changelist"));
5477 	}
5478 	else
5479 	    clearopbeep(cap->oap);
5480 # ifdef FEAT_FOLDING
5481 	if (cap->oap->op_type == OP_NOP
5482 		&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
5483 		&& (fdo_flags & FDO_MARK)
5484 		&& old_KeyTyped)
5485 	    foldOpenCursor();
5486 # endif
5487     }
5488 #else
5489     clearopbeep(cap->oap);
5490 #endif
5491 }
5492 
5493 /*
5494  * Handle '"' command.
5495  */
5496     static void
5497 nv_regname(cmdarg_T *cap)
5498 {
5499     if (checkclearop(cap->oap))
5500 	return;
5501 #ifdef FEAT_EVAL
5502     if (cap->nchar == '=')
5503 	cap->nchar = get_expr_register();
5504 #endif
5505     if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
5506     {
5507 	cap->oap->regname = cap->nchar;
5508 	cap->opcount = cap->count0;	/* remember count before '"' */
5509 #ifdef FEAT_EVAL
5510 	set_reg_var(cap->oap->regname);
5511 #endif
5512     }
5513     else
5514 	clearopbeep(cap->oap);
5515 }
5516 
5517 /*
5518  * Handle "v", "V" and "CTRL-V" commands.
5519  * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
5520  * is TRUE.
5521  * Handle CTRL-Q just like CTRL-V.
5522  */
5523     static void
5524 nv_visual(cmdarg_T *cap)
5525 {
5526     if (cap->cmdchar == Ctrl_Q)
5527 	cap->cmdchar = Ctrl_V;
5528 
5529     /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
5530      * characterwise, linewise, or blockwise. */
5531     if (cap->oap->op_type != OP_NOP)
5532     {
5533 	motion_force = cap->oap->motion_force = cap->cmdchar;
5534 	finish_op = FALSE;	/* operator doesn't finish now but later */
5535 	return;
5536     }
5537 
5538     VIsual_select = cap->arg;
5539     if (VIsual_active)	    /* change Visual mode */
5540     {
5541 	if (VIsual_mode == cap->cmdchar)    /* stop visual mode */
5542 	    end_visual_mode();
5543 	else				    /* toggle char/block mode */
5544 	{				    /*	   or char/line mode */
5545 	    VIsual_mode = cap->cmdchar;
5546 	    showmode();
5547 	}
5548 	redraw_curbuf_later(INVERTED);	    /* update the inversion */
5549     }
5550     else		    /* start Visual mode */
5551     {
5552 	check_visual_highlight();
5553 	if (cap->count0 > 0 && resel_VIsual_mode != NUL)
5554 	{
5555 	    /* use previously selected part */
5556 	    VIsual = curwin->w_cursor;
5557 
5558 	    VIsual_active = TRUE;
5559 	    VIsual_reselect = TRUE;
5560 	    if (!cap->arg)
5561 		/* start Select mode when 'selectmode' contains "cmd" */
5562 		may_start_select('c');
5563 	    setmouse();
5564 	    if (p_smd && msg_silent == 0)
5565 		redraw_cmdline = TRUE;	    /* show visual mode later */
5566 	    /*
5567 	     * For V and ^V, we multiply the number of lines even if there
5568 	     * was only one -- webb
5569 	     */
5570 	    if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
5571 	    {
5572 		curwin->w_cursor.lnum +=
5573 				    resel_VIsual_line_count * cap->count0 - 1;
5574 		if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5575 		    curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5576 	    }
5577 	    VIsual_mode = resel_VIsual_mode;
5578 	    if (VIsual_mode == 'v')
5579 	    {
5580 		if (resel_VIsual_line_count <= 1)
5581 		{
5582 		    validate_virtcol();
5583 		    curwin->w_curswant = curwin->w_virtcol
5584 					+ resel_VIsual_vcol * cap->count0 - 1;
5585 		}
5586 		else
5587 		    curwin->w_curswant = resel_VIsual_vcol;
5588 		coladvance(curwin->w_curswant);
5589 	    }
5590 	    if (resel_VIsual_vcol == MAXCOL)
5591 	    {
5592 		curwin->w_curswant = MAXCOL;
5593 		coladvance((colnr_T)MAXCOL);
5594 	    }
5595 	    else if (VIsual_mode == Ctrl_V)
5596 	    {
5597 		validate_virtcol();
5598 		curwin->w_curswant = curwin->w_virtcol
5599 					+ resel_VIsual_vcol * cap->count0 - 1;
5600 		coladvance(curwin->w_curswant);
5601 	    }
5602 	    else
5603 		curwin->w_set_curswant = TRUE;
5604 	    redraw_curbuf_later(INVERTED);	/* show the inversion */
5605 	}
5606 	else
5607 	{
5608 	    if (!cap->arg)
5609 		/* start Select mode when 'selectmode' contains "cmd" */
5610 		may_start_select('c');
5611 	    n_start_visual_mode(cap->cmdchar);
5612 	    if (VIsual_mode != 'V' && *p_sel == 'e')
5613 		++cap->count1;  /* include one more char */
5614 	    if (cap->count0 > 0 && --cap->count1 > 0)
5615 	    {
5616 		/* With a count select that many characters or lines. */
5617 		if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V)
5618 		    nv_right(cap);
5619 		else if (VIsual_mode == 'V')
5620 		    nv_down(cap);
5621 	    }
5622 	}
5623     }
5624 }
5625 
5626 /*
5627  * Start selection for Shift-movement keys.
5628  */
5629     void
5630 start_selection(void)
5631 {
5632     /* if 'selectmode' contains "key", start Select mode */
5633     may_start_select('k');
5634     n_start_visual_mode('v');
5635 }
5636 
5637 /*
5638  * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
5639  */
5640     void
5641 may_start_select(int c)
5642 {
5643     VIsual_select = (stuff_empty() && typebuf_typed()
5644 		    && (vim_strchr(p_slm, c) != NULL));
5645 }
5646 
5647 /*
5648  * Start Visual mode "c".
5649  * Should set VIsual_select before calling this.
5650  */
5651     static void
5652 n_start_visual_mode(int c)
5653 {
5654 #ifdef FEAT_CONCEAL
5655     /* Check for redraw before changing the state. */
5656     conceal_check_cursor_line();
5657 #endif
5658 
5659     VIsual_mode = c;
5660     VIsual_active = TRUE;
5661     VIsual_reselect = TRUE;
5662 
5663     // Corner case: the 0 position in a tab may change when going into
5664     // virtualedit.  Recalculate curwin->w_cursor to avoid bad hilighting.
5665     if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
5666     {
5667 	validate_virtcol();
5668 	coladvance(curwin->w_virtcol);
5669     }
5670     VIsual = curwin->w_cursor;
5671 
5672 #ifdef FEAT_FOLDING
5673     foldAdjustVisual();
5674 #endif
5675 
5676     setmouse();
5677 #ifdef FEAT_CONCEAL
5678     /* Check for redraw after changing the state. */
5679     conceal_check_cursor_line();
5680 #endif
5681 
5682     if (p_smd && msg_silent == 0)
5683 	redraw_cmdline = TRUE;	/* show visual mode later */
5684 #ifdef FEAT_CLIPBOARD
5685     /* Make sure the clipboard gets updated.  Needed because start and
5686      * end may still be the same, and the selection needs to be owned */
5687     clip_star.vmode = NUL;
5688 #endif
5689 
5690     /* Only need to redraw this line, unless still need to redraw an old
5691      * Visual area (when 'lazyredraw' is set). */
5692     if (curwin->w_redr_type < INVERTED)
5693     {
5694 	curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
5695 	curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
5696     }
5697 }
5698 
5699 
5700 /*
5701  * CTRL-W: Window commands
5702  */
5703     static void
5704 nv_window(cmdarg_T *cap)
5705 {
5706     if (cap->nchar == ':')
5707     {
5708 	/* "CTRL-W :" is the same as typing ":"; useful in a terminal window */
5709 	cap->cmdchar = ':';
5710 	cap->nchar = NUL;
5711 	nv_colon(cap);
5712     }
5713     else if (!checkclearop(cap->oap))
5714 	do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
5715 }
5716 
5717 /*
5718  * CTRL-Z: Suspend
5719  */
5720     static void
5721 nv_suspend(cmdarg_T *cap)
5722 {
5723     clearop(cap->oap);
5724     if (VIsual_active)
5725 	end_visual_mode();		/* stop Visual mode */
5726     do_cmdline_cmd((char_u *)"st");
5727 }
5728 
5729 /*
5730  * Commands starting with "g".
5731  */
5732     static void
5733 nv_g_cmd(cmdarg_T *cap)
5734 {
5735     oparg_T	*oap = cap->oap;
5736     pos_T	tpos;
5737     int		i;
5738     int		flag = FALSE;
5739 
5740     switch (cap->nchar)
5741     {
5742     case Ctrl_A:
5743     case Ctrl_X:
5744 #ifdef MEM_PROFILE
5745     /*
5746      * "g^A": dump log of used memory.
5747      */
5748 	if (!VIsual_active && cap->nchar == Ctrl_A)
5749 	    vim_mem_profile_dump();
5750 	else
5751 #endif
5752     /*
5753      * "g^A/g^X": sequentially increment visually selected region
5754      */
5755 	     if (VIsual_active)
5756 	{
5757 	    cap->arg = TRUE;
5758 	    cap->cmdchar = cap->nchar;
5759 	    cap->nchar = NUL;
5760 	    nv_addsub(cap);
5761 	}
5762 	else
5763 	    clearopbeep(oap);
5764 	break;
5765 
5766     /*
5767      * "gR": Enter virtual replace mode.
5768      */
5769     case 'R':
5770 	cap->arg = TRUE;
5771 	nv_Replace(cap);
5772 	break;
5773 
5774     case 'r':
5775 	nv_vreplace(cap);
5776 	break;
5777 
5778     case '&':
5779 	do_cmdline_cmd((char_u *)"%s//~/&");
5780 	break;
5781 
5782     /*
5783      * "gv": Reselect the previous Visual area.  If Visual already active,
5784      *	     exchange previous and current Visual area.
5785      */
5786     case 'v':
5787 	if (checkclearop(oap))
5788 	    break;
5789 
5790 	if (	   curbuf->b_visual.vi_start.lnum == 0
5791 		|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
5792 		|| curbuf->b_visual.vi_end.lnum == 0)
5793 	    beep_flush();
5794 	else
5795 	{
5796 	    /* set w_cursor to the start of the Visual area, tpos to the end */
5797 	    if (VIsual_active)
5798 	    {
5799 		i = VIsual_mode;
5800 		VIsual_mode = curbuf->b_visual.vi_mode;
5801 		curbuf->b_visual.vi_mode = i;
5802 # ifdef FEAT_EVAL
5803 		curbuf->b_visual_mode_eval = i;
5804 # endif
5805 		i = curwin->w_curswant;
5806 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
5807 		curbuf->b_visual.vi_curswant = i;
5808 
5809 		tpos = curbuf->b_visual.vi_end;
5810 		curbuf->b_visual.vi_end = curwin->w_cursor;
5811 		curwin->w_cursor = curbuf->b_visual.vi_start;
5812 		curbuf->b_visual.vi_start = VIsual;
5813 	    }
5814 	    else
5815 	    {
5816 		VIsual_mode = curbuf->b_visual.vi_mode;
5817 		curwin->w_curswant = curbuf->b_visual.vi_curswant;
5818 		tpos = curbuf->b_visual.vi_end;
5819 		curwin->w_cursor = curbuf->b_visual.vi_start;
5820 	    }
5821 
5822 	    VIsual_active = TRUE;
5823 	    VIsual_reselect = TRUE;
5824 
5825 	    /* Set Visual to the start and w_cursor to the end of the Visual
5826 	     * area.  Make sure they are on an existing character. */
5827 	    check_cursor();
5828 	    VIsual = curwin->w_cursor;
5829 	    curwin->w_cursor = tpos;
5830 	    check_cursor();
5831 	    update_topline();
5832 	    /*
5833 	     * When called from normal "g" command: start Select mode when
5834 	     * 'selectmode' contains "cmd".  When called for K_SELECT, always
5835 	     * start Select mode.
5836 	     */
5837 	    if (cap->arg)
5838 		VIsual_select = TRUE;
5839 	    else
5840 		may_start_select('c');
5841 	    setmouse();
5842 #ifdef FEAT_CLIPBOARD
5843 	    /* Make sure the clipboard gets updated.  Needed because start and
5844 	     * end are still the same, and the selection needs to be owned */
5845 	    clip_star.vmode = NUL;
5846 #endif
5847 	    redraw_curbuf_later(INVERTED);
5848 	    showmode();
5849 	}
5850 	break;
5851     /*
5852      * "gV": Don't reselect the previous Visual area after a Select mode
5853      *	     mapping of menu.
5854      */
5855     case 'V':
5856 	VIsual_reselect = FALSE;
5857 	break;
5858 
5859     /*
5860      * "gh":  start Select mode.
5861      * "gH":  start Select line mode.
5862      * "g^H": start Select block mode.
5863      */
5864     case K_BS:
5865 	cap->nchar = Ctrl_H;
5866 	/* FALLTHROUGH */
5867     case 'h':
5868     case 'H':
5869     case Ctrl_H:
5870 # ifdef EBCDIC
5871 	/* EBCDIC: 'v'-'h' != '^v'-'^h' */
5872 	if (cap->nchar == Ctrl_H)
5873 	    cap->cmdchar = Ctrl_V;
5874 	else
5875 # endif
5876 	cap->cmdchar = cap->nchar + ('v' - 'h');
5877 	cap->arg = TRUE;
5878 	nv_visual(cap);
5879 	break;
5880 
5881     /* "gn", "gN" visually select next/previous search match
5882      * "gn" selects next match
5883      * "gN" selects previous match
5884      */
5885     case 'N':
5886     case 'n':
5887 	if (!current_search(cap->count1, cap->nchar == 'n'))
5888 	    clearopbeep(oap);
5889 	break;
5890 
5891     /*
5892      * "gj" and "gk" two new funny movement keys -- up and down
5893      * movement based on *screen* line rather than *file* line.
5894      */
5895     case 'j':
5896     case K_DOWN:
5897 	/* with 'nowrap' it works just like the normal "j" command; also when
5898 	 * in a closed fold */
5899 	if (!curwin->w_p_wrap
5900 #ifdef FEAT_FOLDING
5901 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
5902 #endif
5903 		)
5904 	{
5905 	    oap->motion_type = MLINE;
5906 	    i = cursor_down(cap->count1, oap->op_type == OP_NOP);
5907 	}
5908 	else
5909 	    i = nv_screengo(oap, FORWARD, cap->count1);
5910 	if (i == FAIL)
5911 	    clearopbeep(oap);
5912 	break;
5913 
5914     case 'k':
5915     case K_UP:
5916 	/* with 'nowrap' it works just like the normal "k" command; also when
5917 	 * in a closed fold */
5918 	if (!curwin->w_p_wrap
5919 #ifdef FEAT_FOLDING
5920 		|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
5921 #endif
5922 	   )
5923 	{
5924 	    oap->motion_type = MLINE;
5925 	    i = cursor_up(cap->count1, oap->op_type == OP_NOP);
5926 	}
5927 	else
5928 	    i = nv_screengo(oap, BACKWARD, cap->count1);
5929 	if (i == FAIL)
5930 	    clearopbeep(oap);
5931 	break;
5932 
5933     /*
5934      * "gJ": join two lines without inserting a space.
5935      */
5936     case 'J':
5937 	nv_join(cap);
5938 	break;
5939 
5940     /*
5941      * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
5942      * "gm": middle of "g0" and "g$".
5943      */
5944     case '^':
5945 	flag = TRUE;
5946 	/* FALLTHROUGH */
5947 
5948     case '0':
5949     case 'm':
5950     case K_HOME:
5951     case K_KHOME:
5952 	oap->motion_type = MCHAR;
5953 	oap->inclusive = FALSE;
5954 	if (curwin->w_p_wrap && curwin->w_width != 0)
5955 	{
5956 	    int		width1 = curwin->w_width - curwin_col_off();
5957 	    int		width2 = width1 + curwin_col_off2();
5958 
5959 	    validate_virtcol();
5960 	    i = 0;
5961 	    if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
5962 		i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
5963 	}
5964 	else
5965 	    i = curwin->w_leftcol;
5966 	/* Go to the middle of the screen line.  When 'number' or
5967 	 * 'relativenumber' is on and lines are wrapping the middle can be more
5968 	 * to the left. */
5969 	if (cap->nchar == 'm')
5970 	    i += (curwin->w_width - curwin_col_off()
5971 		    + ((curwin->w_p_wrap && i > 0)
5972 			? curwin_col_off2() : 0)) / 2;
5973 	coladvance((colnr_T)i);
5974 	if (flag)
5975 	{
5976 	    do
5977 		i = gchar_cursor();
5978 	    while (VIM_ISWHITE(i) && oneright() == OK);
5979 	    curwin->w_valid &= ~VALID_WCOL;
5980 	}
5981 	curwin->w_set_curswant = TRUE;
5982 	break;
5983 
5984     case 'M':
5985 	{
5986 	    char_u  *ptr = ml_get_curline();
5987 
5988 	    oap->motion_type = MCHAR;
5989 	    oap->inclusive = FALSE;
5990 	    if (has_mbyte)
5991 		i = mb_string2cells(ptr, (int)STRLEN(ptr));
5992 	    else
5993 		i = (int)STRLEN(ptr);
5994 	    if (cap->count0 > 0 && cap->count0 <= 100)
5995 		coladvance((colnr_T)(i * cap->count0 / 100));
5996 	    else
5997 		coladvance((colnr_T)(i / 2));
5998 	    curwin->w_set_curswant = TRUE;
5999 	}
6000 	break;
6001 
6002     case '_':
6003 	/* "g_": to the last non-blank character in the line or <count> lines
6004 	 * downward. */
6005 	cap->oap->motion_type = MCHAR;
6006 	cap->oap->inclusive = TRUE;
6007 	curwin->w_curswant = MAXCOL;
6008 	if (cursor_down((long)(cap->count1 - 1),
6009 					 cap->oap->op_type == OP_NOP) == FAIL)
6010 	    clearopbeep(cap->oap);
6011 	else
6012 	{
6013 	    char_u  *ptr = ml_get_curline();
6014 
6015 	    /* In Visual mode we may end up after the line. */
6016 	    if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
6017 		--curwin->w_cursor.col;
6018 
6019 	    /* Decrease the cursor column until it's on a non-blank. */
6020 	    while (curwin->w_cursor.col > 0
6021 				    && VIM_ISWHITE(ptr[curwin->w_cursor.col]))
6022 		--curwin->w_cursor.col;
6023 	    curwin->w_set_curswant = TRUE;
6024 	    adjust_for_sel(cap);
6025 	}
6026 	break;
6027 
6028     case '$':
6029     case K_END:
6030     case K_KEND:
6031 	{
6032 	    int col_off = curwin_col_off();
6033 
6034 	    oap->motion_type = MCHAR;
6035 	    oap->inclusive = TRUE;
6036 	    if (curwin->w_p_wrap && curwin->w_width != 0)
6037 	    {
6038 		curwin->w_curswant = MAXCOL;    /* so we stay at the end */
6039 		if (cap->count1 == 1)
6040 		{
6041 		    int		width1 = curwin->w_width - col_off;
6042 		    int		width2 = width1 + curwin_col_off2();
6043 
6044 		    validate_virtcol();
6045 		    i = width1 - 1;
6046 		    if (curwin->w_virtcol >= (colnr_T)width1)
6047 			i += ((curwin->w_virtcol - width1) / width2 + 1)
6048 								     * width2;
6049 		    coladvance((colnr_T)i);
6050 
6051 		    /* Make sure we stick in this column. */
6052 		    validate_virtcol();
6053 		    curwin->w_curswant = curwin->w_virtcol;
6054 		    curwin->w_set_curswant = FALSE;
6055 		    if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
6056 		    {
6057 			/*
6058 			 * Check for landing on a character that got split at
6059 			 * the end of the line.  We do not want to advance to
6060 			 * the next screen line.
6061 			 */
6062 			if (curwin->w_virtcol > (colnr_T)i)
6063 			    --curwin->w_cursor.col;
6064 		    }
6065 		}
6066 		else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
6067 		    clearopbeep(oap);
6068 	    }
6069 	    else
6070 	    {
6071 		if (cap->count1 > 1)
6072 		    // if it fails, let the cursor still move to the last char
6073 		    (void)cursor_down(cap->count1 - 1, FALSE);
6074 
6075 		i = curwin->w_leftcol + curwin->w_width - col_off - 1;
6076 		coladvance((colnr_T)i);
6077 
6078 		// Make sure we stick in this column.
6079 		validate_virtcol();
6080 		curwin->w_curswant = curwin->w_virtcol;
6081 		curwin->w_set_curswant = FALSE;
6082 	    }
6083 	}
6084 	break;
6085 
6086     /*
6087      * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
6088      */
6089     case '*':
6090     case '#':
6091 #if POUND != '#'
6092     case POUND:		/* pound sign (sometimes equal to '#') */
6093 #endif
6094     case Ctrl_RSB:		/* :tag or :tselect for current identifier */
6095     case ']':			/* :tselect for current identifier */
6096 	nv_ident(cap);
6097 	break;
6098 
6099     /*
6100      * ge and gE: go back to end of word
6101      */
6102     case 'e':
6103     case 'E':
6104 	oap->motion_type = MCHAR;
6105 	curwin->w_set_curswant = TRUE;
6106 	oap->inclusive = TRUE;
6107 	if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
6108 	    clearopbeep(oap);
6109 	break;
6110 
6111     /*
6112      * "g CTRL-G": display info about cursor position
6113      */
6114     case Ctrl_G:
6115 	cursor_pos_info(NULL);
6116 	break;
6117 
6118     /*
6119      * "gi": start Insert at the last position.
6120      */
6121     case 'i':
6122 	if (curbuf->b_last_insert.lnum != 0)
6123 	{
6124 	    curwin->w_cursor = curbuf->b_last_insert;
6125 	    check_cursor_lnum();
6126 	    i = (int)STRLEN(ml_get_curline());
6127 	    if (curwin->w_cursor.col > (colnr_T)i)
6128 	    {
6129 		if (virtual_active())
6130 		    curwin->w_cursor.coladd += curwin->w_cursor.col - i;
6131 		curwin->w_cursor.col = i;
6132 	    }
6133 	}
6134 	cap->cmdchar = 'i';
6135 	nv_edit(cap);
6136 	break;
6137 
6138     /*
6139      * "gI": Start insert in column 1.
6140      */
6141     case 'I':
6142 	beginline(0);
6143 	if (!checkclearopq(oap))
6144 	    invoke_edit(cap, FALSE, 'g', FALSE);
6145 	break;
6146 
6147 #ifdef FEAT_SEARCHPATH
6148     /*
6149      * "gf": goto file, edit file under cursor
6150      * "]f" and "[f": can also be used.
6151      */
6152     case 'f':
6153     case 'F':
6154 	nv_gotofile(cap);
6155 	break;
6156 #endif
6157 
6158 	/* "g'm" and "g`m": jump to mark without setting pcmark */
6159     case '\'':
6160 	cap->arg = TRUE;
6161 	/* FALLTHROUGH */
6162     case '`':
6163 	nv_gomark(cap);
6164 	break;
6165 
6166     /*
6167      * "gs": Goto sleep.
6168      */
6169     case 's':
6170 	do_sleep(cap->count1 * 1000L);
6171 	break;
6172 
6173     /*
6174      * "ga": Display the ascii value of the character under the
6175      * cursor.	It is displayed in decimal, hex, and octal. -- webb
6176      */
6177     case 'a':
6178 	do_ascii(NULL);
6179 	break;
6180 
6181     /*
6182      * "g8": Display the bytes used for the UTF-8 character under the
6183      * cursor.	It is displayed in hex.
6184      * "8g8" finds illegal byte sequence.
6185      */
6186     case '8':
6187 	if (cap->count0 == 8)
6188 	    utf_find_illegal();
6189 	else
6190 	    show_utf8();
6191 	break;
6192 
6193     /* "g<": show scrollback text */
6194     case '<':
6195 	show_sb_text();
6196 	break;
6197 
6198     /*
6199      * "gg": Goto the first line in file.  With a count it goes to
6200      * that line number like for "G". -- webb
6201      */
6202     case 'g':
6203 	cap->arg = FALSE;
6204 	nv_goto(cap);
6205 	break;
6206 
6207     /*
6208      *	 Two-character operators:
6209      *	 "gq"	    Format text
6210      *	 "gw"	    Format text and keep cursor position
6211      *	 "g~"	    Toggle the case of the text.
6212      *	 "gu"	    Change text to lower case.
6213      *	 "gU"	    Change text to upper case.
6214      *   "g?"	    rot13 encoding
6215      *   "g@"	    call 'operatorfunc'
6216      */
6217     case 'q':
6218     case 'w':
6219 	oap->cursor_start = curwin->w_cursor;
6220 	/* FALLTHROUGH */
6221     case '~':
6222     case 'u':
6223     case 'U':
6224     case '?':
6225     case '@':
6226 	nv_operator(cap);
6227 	break;
6228 
6229     /*
6230      * "gd": Find first occurrence of pattern under the cursor in the
6231      *	 current function
6232      * "gD": idem, but in the current file.
6233      */
6234     case 'd':
6235     case 'D':
6236 	nv_gd(oap, cap->nchar, (int)cap->count0);
6237 	break;
6238 
6239     /*
6240      * g<*Mouse> : <C-*mouse>
6241      */
6242     case K_MIDDLEMOUSE:
6243     case K_MIDDLEDRAG:
6244     case K_MIDDLERELEASE:
6245     case K_LEFTMOUSE:
6246     case K_LEFTDRAG:
6247     case K_LEFTRELEASE:
6248     case K_MOUSEMOVE:
6249     case K_RIGHTMOUSE:
6250     case K_RIGHTDRAG:
6251     case K_RIGHTRELEASE:
6252     case K_X1MOUSE:
6253     case K_X1DRAG:
6254     case K_X1RELEASE:
6255     case K_X2MOUSE:
6256     case K_X2DRAG:
6257     case K_X2RELEASE:
6258 	mod_mask = MOD_MASK_CTRL;
6259 	(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
6260 	break;
6261 
6262     case K_IGNORE:
6263 	break;
6264 
6265     /*
6266      * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
6267      */
6268     case 'p':
6269     case 'P':
6270 	nv_put(cap);
6271 	break;
6272 
6273 #ifdef FEAT_BYTEOFF
6274     /* "go": goto byte count from start of buffer */
6275     case 'o':
6276 	goto_byte(cap->count0);
6277 	break;
6278 #endif
6279 
6280     /* "gQ": improved Ex mode */
6281     case 'Q':
6282 	if (text_locked())
6283 	{
6284 	    clearopbeep(cap->oap);
6285 	    text_locked_msg();
6286 	    break;
6287 	}
6288 
6289 	if (!checkclearopq(oap))
6290 	    do_exmode(TRUE);
6291 	break;
6292 
6293 #ifdef FEAT_JUMPLIST
6294     case ',':
6295 	nv_pcmark(cap);
6296 	break;
6297 
6298     case ';':
6299 	cap->count1 = -cap->count1;
6300 	nv_pcmark(cap);
6301 	break;
6302 #endif
6303 
6304     case 't':
6305 	if (!checkclearop(oap))
6306 	    goto_tabpage((int)cap->count0);
6307 	break;
6308     case 'T':
6309 	if (!checkclearop(oap))
6310 	    goto_tabpage(-(int)cap->count1);
6311 	break;
6312 
6313     case '+':
6314     case '-': /* "g+" and "g-": undo or redo along the timeline */
6315 	if (!checkclearopq(oap))
6316 	    undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
6317 							 FALSE, FALSE, FALSE);
6318 	break;
6319 
6320     default:
6321 	clearopbeep(oap);
6322 	break;
6323     }
6324 }
6325 
6326 /*
6327  * Handle "o" and "O" commands.
6328  */
6329     static void
6330 n_opencmd(cmdarg_T *cap)
6331 {
6332 #ifdef FEAT_CONCEAL
6333     linenr_T	oldline = curwin->w_cursor.lnum;
6334 #endif
6335 
6336     if (!checkclearopq(cap->oap))
6337     {
6338 #ifdef FEAT_FOLDING
6339 	if (cap->cmdchar == 'O')
6340 	    /* Open above the first line of a folded sequence of lines */
6341 	    (void)hasFolding(curwin->w_cursor.lnum,
6342 						&curwin->w_cursor.lnum, NULL);
6343 	else
6344 	    /* Open below the last line of a folded sequence of lines */
6345 	    (void)hasFolding(curwin->w_cursor.lnum,
6346 						NULL, &curwin->w_cursor.lnum);
6347 #endif
6348 	if (u_save((linenr_T)(curwin->w_cursor.lnum -
6349 					       (cap->cmdchar == 'O' ? 1 : 0)),
6350 		   (linenr_T)(curwin->w_cursor.lnum +
6351 					       (cap->cmdchar == 'o' ? 1 : 0))
6352 		       ) == OK
6353 		&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
6354 			 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM : 0,
6355 								      0) == OK)
6356 	{
6357 #ifdef FEAT_CONCEAL
6358 	    if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
6359 		redrawWinline(curwin, oldline);
6360 #endif
6361 #ifdef FEAT_SYN_HL
6362 	    if (curwin->w_p_cul)
6363 		/* force redraw of cursorline */
6364 		curwin->w_valid &= ~VALID_CROW;
6365 #endif
6366 	    /* When '#' is in 'cpoptions' ignore the count. */
6367 	    if (vim_strchr(p_cpo, CPO_HASH) != NULL)
6368 		cap->count1 = 1;
6369 	    invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
6370 	}
6371     }
6372 }
6373 
6374 /*
6375  * "." command: redo last change.
6376  */
6377     static void
6378 nv_dot(cmdarg_T *cap)
6379 {
6380     if (!checkclearopq(cap->oap))
6381     {
6382 	/*
6383 	 * If "restart_edit" is TRUE, the last but one command is repeated
6384 	 * instead of the last command (inserting text). This is used for
6385 	 * CTRL-O <.> in insert mode.
6386 	 */
6387 	if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
6388 	    clearopbeep(cap->oap);
6389     }
6390 }
6391 
6392 /*
6393  * CTRL-R: undo undo
6394  */
6395     static void
6396 nv_redo(cmdarg_T *cap)
6397 {
6398     if (!checkclearopq(cap->oap))
6399     {
6400 	u_redo((int)cap->count1);
6401 	curwin->w_set_curswant = TRUE;
6402     }
6403 }
6404 
6405 /*
6406  * Handle "U" command.
6407  */
6408     static void
6409 nv_Undo(cmdarg_T *cap)
6410 {
6411     /* In Visual mode and typing "gUU" triggers an operator */
6412     if (cap->oap->op_type == OP_UPPER || VIsual_active)
6413     {
6414 	/* translate "gUU" to "gUgU" */
6415 	cap->cmdchar = 'g';
6416 	cap->nchar = 'U';
6417 	nv_operator(cap);
6418     }
6419     else if (!checkclearopq(cap->oap))
6420     {
6421 	u_undoline();
6422 	curwin->w_set_curswant = TRUE;
6423     }
6424 }
6425 
6426 /*
6427  * '~' command: If tilde is not an operator and Visual is off: swap case of a
6428  * single character.
6429  */
6430     static void
6431 nv_tilde(cmdarg_T *cap)
6432 {
6433     if (!p_to && !VIsual_active && cap->oap->op_type != OP_TILDE)
6434     {
6435 #ifdef FEAT_JOB_CHANNEL
6436 	if (bt_prompt(curbuf) && !prompt_curpos_editable())
6437 	{
6438 	    clearopbeep(cap->oap);
6439 	    return;
6440 	}
6441 #endif
6442 	n_swapchar(cap);
6443     }
6444     else
6445 	nv_operator(cap);
6446 }
6447 
6448 /*
6449  * Handle an operator command.
6450  * The actual work is done by do_pending_operator().
6451  */
6452     static void
6453 nv_operator(cmdarg_T *cap)
6454 {
6455     int	    op_type;
6456 
6457     op_type = get_op_type(cap->cmdchar, cap->nchar);
6458 #ifdef FEAT_JOB_CHANNEL
6459     if (bt_prompt(curbuf) && op_is_change(op_type) && !prompt_curpos_editable())
6460     {
6461 	clearopbeep(cap->oap);
6462 	return;
6463     }
6464 #endif
6465 
6466     if (op_type == cap->oap->op_type)	    /* double operator works on lines */
6467 	nv_lineop(cap);
6468     else if (!checkclearop(cap->oap))
6469     {
6470 	cap->oap->start = curwin->w_cursor;
6471 	cap->oap->op_type = op_type;
6472 #ifdef FEAT_EVAL
6473 	set_op_var(op_type);
6474 #endif
6475     }
6476 }
6477 
6478 #ifdef FEAT_EVAL
6479 /*
6480  * Set v:operator to the characters for "optype".
6481  */
6482     static void
6483 set_op_var(int optype)
6484 {
6485     char_u	opchars[3];
6486 
6487     if (optype == OP_NOP)
6488 	set_vim_var_string(VV_OP, NULL, 0);
6489     else
6490     {
6491 	opchars[0] = get_op_char(optype);
6492 	opchars[1] = get_extra_op_char(optype);
6493 	opchars[2] = NUL;
6494 	set_vim_var_string(VV_OP, opchars, -1);
6495     }
6496 }
6497 #endif
6498 
6499 /*
6500  * Handle linewise operator "dd", "yy", etc.
6501  *
6502  * "_" is is a strange motion command that helps make operators more logical.
6503  * It is actually implemented, but not documented in the real Vi.  This motion
6504  * command actually refers to "the current line".  Commands like "dd" and "yy"
6505  * are really an alternate form of "d_" and "y_".  It does accept a count, so
6506  * "d3_" works to delete 3 lines.
6507  */
6508     static void
6509 nv_lineop(cmdarg_T *cap)
6510 {
6511     cap->oap->motion_type = MLINE;
6512     if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
6513 	clearopbeep(cap->oap);
6514     else if (  (cap->oap->op_type == OP_DELETE /* only with linewise motions */
6515 		&& cap->oap->motion_force != 'v'
6516 		&& cap->oap->motion_force != Ctrl_V)
6517 	    || cap->oap->op_type == OP_LSHIFT
6518 	    || cap->oap->op_type == OP_RSHIFT)
6519 	beginline(BL_SOL | BL_FIX);
6520     else if (cap->oap->op_type != OP_YANK)	/* 'Y' does not move cursor */
6521 	beginline(BL_WHITE | BL_FIX);
6522 }
6523 
6524 /*
6525  * <Home> command.
6526  */
6527     static void
6528 nv_home(cmdarg_T *cap)
6529 {
6530     /* CTRL-HOME is like "gg" */
6531     if (mod_mask & MOD_MASK_CTRL)
6532 	nv_goto(cap);
6533     else
6534     {
6535 	cap->count0 = 1;
6536 	nv_pipe(cap);
6537     }
6538     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
6539 			       one-character line). */
6540 }
6541 
6542 /*
6543  * "|" command.
6544  */
6545     static void
6546 nv_pipe(cmdarg_T *cap)
6547 {
6548     cap->oap->motion_type = MCHAR;
6549     cap->oap->inclusive = FALSE;
6550     beginline(0);
6551     if (cap->count0 > 0)
6552     {
6553 	coladvance((colnr_T)(cap->count0 - 1));
6554 	curwin->w_curswant = (colnr_T)(cap->count0 - 1);
6555     }
6556     else
6557 	curwin->w_curswant = 0;
6558     /* keep curswant at the column where we wanted to go, not where
6559      * we ended; differs if line is too short */
6560     curwin->w_set_curswant = FALSE;
6561 }
6562 
6563 /*
6564  * Handle back-word command "b" and "B".
6565  * cap->arg is 1 for "B"
6566  */
6567     static void
6568 nv_bck_word(cmdarg_T *cap)
6569 {
6570     cap->oap->motion_type = MCHAR;
6571     cap->oap->inclusive = FALSE;
6572     curwin->w_set_curswant = TRUE;
6573     if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
6574 	clearopbeep(cap->oap);
6575 #ifdef FEAT_FOLDING
6576     else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6577 	foldOpenCursor();
6578 #endif
6579 }
6580 
6581 /*
6582  * Handle word motion commands "e", "E", "w" and "W".
6583  * cap->arg is TRUE for "E" and "W".
6584  */
6585     static void
6586 nv_wordcmd(cmdarg_T *cap)
6587 {
6588     int		n;
6589     int		word_end;
6590     int		flag = FALSE;
6591     pos_T	startpos = curwin->w_cursor;
6592 
6593     /*
6594      * Set inclusive for the "E" and "e" command.
6595      */
6596     if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
6597 	word_end = TRUE;
6598     else
6599 	word_end = FALSE;
6600     cap->oap->inclusive = word_end;
6601 
6602     /*
6603      * "cw" and "cW" are a special case.
6604      */
6605     if (!word_end && cap->oap->op_type == OP_CHANGE)
6606     {
6607 	n = gchar_cursor();
6608 	if (n != NUL)			/* not an empty line */
6609 	{
6610 	    if (VIM_ISWHITE(n))
6611 	    {
6612 		/*
6613 		 * Reproduce a funny Vi behaviour: "cw" on a blank only
6614 		 * changes one character, not all blanks until the start of
6615 		 * the next word.  Only do this when the 'w' flag is included
6616 		 * in 'cpoptions'.
6617 		 */
6618 		if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
6619 		{
6620 		    cap->oap->inclusive = TRUE;
6621 		    cap->oap->motion_type = MCHAR;
6622 		    return;
6623 		}
6624 	    }
6625 	    else
6626 	    {
6627 		/*
6628 		 * This is a little strange. To match what the real Vi does,
6629 		 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
6630 		 * that we are not on a space or a TAB.  This seems impolite
6631 		 * at first, but it's really more what we mean when we say
6632 		 * 'cw'.
6633 		 * Another strangeness: When standing on the end of a word
6634 		 * "ce" will change until the end of the next word, but "cw"
6635 		 * will change only one character! This is done by setting
6636 		 * flag.
6637 		 */
6638 		cap->oap->inclusive = TRUE;
6639 		word_end = TRUE;
6640 		flag = TRUE;
6641 	    }
6642 	}
6643     }
6644 
6645     cap->oap->motion_type = MCHAR;
6646     curwin->w_set_curswant = TRUE;
6647     if (word_end)
6648 	n = end_word(cap->count1, cap->arg, flag, FALSE);
6649     else
6650 	n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
6651 
6652     /* Don't leave the cursor on the NUL past the end of line. Unless we
6653      * didn't move it forward. */
6654     if (LT_POS(startpos, curwin->w_cursor))
6655 	adjust_cursor(cap->oap);
6656 
6657     if (n == FAIL && cap->oap->op_type == OP_NOP)
6658 	clearopbeep(cap->oap);
6659     else
6660     {
6661 	adjust_for_sel(cap);
6662 #ifdef FEAT_FOLDING
6663 	if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6664 	    foldOpenCursor();
6665 #endif
6666     }
6667 }
6668 
6669 /*
6670  * Used after a movement command: If the cursor ends up on the NUL after the
6671  * end of the line, may move it back to the last character and make the motion
6672  * inclusive.
6673  */
6674     static void
6675 adjust_cursor(oparg_T *oap)
6676 {
6677     /* The cursor cannot remain on the NUL when:
6678      * - the column is > 0
6679      * - not in Visual mode or 'selection' is "o"
6680      * - 'virtualedit' is not "all" and not "onemore".
6681      */
6682     if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
6683 		&& (!VIsual_active || *p_sel == 'o')
6684 		&& !virtual_active() && (ve_flags & VE_ONEMORE) == 0)
6685     {
6686 	--curwin->w_cursor.col;
6687 	/* prevent cursor from moving on the trail byte */
6688 	if (has_mbyte)
6689 	    mb_adjust_cursor();
6690 	oap->inclusive = TRUE;
6691     }
6692 }
6693 
6694 /*
6695  * "0" and "^" commands.
6696  * cap->arg is the argument for beginline().
6697  */
6698     static void
6699 nv_beginline(cmdarg_T *cap)
6700 {
6701     cap->oap->motion_type = MCHAR;
6702     cap->oap->inclusive = FALSE;
6703     beginline(cap->arg);
6704 #ifdef FEAT_FOLDING
6705     if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6706 	foldOpenCursor();
6707 #endif
6708     ins_at_eol = FALSE;	    /* Don't move cursor past eol (only necessary in a
6709 			       one-character line). */
6710 }
6711 
6712 /*
6713  * In exclusive Visual mode, may include the last character.
6714  */
6715     static void
6716 adjust_for_sel(cmdarg_T *cap)
6717 {
6718     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
6719 	    && gchar_cursor() != NUL && LT_POS(VIsual, curwin->w_cursor))
6720     {
6721 	if (has_mbyte)
6722 	    inc_cursor();
6723 	else
6724 	    ++curwin->w_cursor.col;
6725 	cap->oap->inclusive = FALSE;
6726     }
6727 }
6728 
6729 /*
6730  * Exclude last character at end of Visual area for 'selection' == "exclusive".
6731  * Should check VIsual_mode before calling this.
6732  * Returns TRUE when backed up to the previous line.
6733  */
6734     int
6735 unadjust_for_sel(void)
6736 {
6737     pos_T	*pp;
6738 
6739     if (*p_sel == 'e' && !EQUAL_POS(VIsual, curwin->w_cursor))
6740     {
6741 	if (LT_POS(VIsual, curwin->w_cursor))
6742 	    pp = &curwin->w_cursor;
6743 	else
6744 	    pp = &VIsual;
6745 	if (pp->coladd > 0)
6746 	    --pp->coladd;
6747 	else
6748 	if (pp->col > 0)
6749 	{
6750 	    --pp->col;
6751 	    mb_adjustpos(curbuf, pp);
6752 	}
6753 	else if (pp->lnum > 1)
6754 	{
6755 	    --pp->lnum;
6756 	    pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
6757 	    return TRUE;
6758 	}
6759     }
6760     return FALSE;
6761 }
6762 
6763 /*
6764  * SELECT key in Normal or Visual mode: end of Select mode mapping.
6765  */
6766     static void
6767 nv_select(cmdarg_T *cap)
6768 {
6769     if (VIsual_active)
6770 	VIsual_select = TRUE;
6771     else if (VIsual_reselect)
6772     {
6773 	cap->nchar = 'v';	    /* fake "gv" command */
6774 	cap->arg = TRUE;
6775 	nv_g_cmd(cap);
6776     }
6777 }
6778 
6779 
6780 /*
6781  * "G", "gg", CTRL-END, CTRL-HOME.
6782  * cap->arg is TRUE for "G".
6783  */
6784     static void
6785 nv_goto(cmdarg_T *cap)
6786 {
6787     linenr_T	lnum;
6788 
6789     if (cap->arg)
6790 	lnum = curbuf->b_ml.ml_line_count;
6791     else
6792 	lnum = 1L;
6793     cap->oap->motion_type = MLINE;
6794     setpcmark();
6795 
6796     /* When a count is given, use it instead of the default lnum */
6797     if (cap->count0 != 0)
6798 	lnum = cap->count0;
6799     if (lnum < 1L)
6800 	lnum = 1L;
6801     else if (lnum > curbuf->b_ml.ml_line_count)
6802 	lnum = curbuf->b_ml.ml_line_count;
6803     curwin->w_cursor.lnum = lnum;
6804     beginline(BL_SOL | BL_FIX);
6805 #ifdef FEAT_FOLDING
6806     if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
6807 	foldOpenCursor();
6808 #endif
6809 }
6810 
6811 /*
6812  * CTRL-\ in Normal mode.
6813  */
6814     static void
6815 nv_normal(cmdarg_T *cap)
6816 {
6817     if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
6818     {
6819 	clearop(cap->oap);
6820 	if (restart_edit != 0 && mode_displayed)
6821 	    clear_cmdline = TRUE;		/* unshow mode later */
6822 	restart_edit = 0;
6823 #ifdef FEAT_CMDWIN
6824 	if (cmdwin_type != 0)
6825 	    cmdwin_result = Ctrl_C;
6826 #endif
6827 	if (VIsual_active)
6828 	{
6829 	    end_visual_mode();		/* stop Visual */
6830 	    redraw_curbuf_later(INVERTED);
6831 	}
6832 	/* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
6833 	if (cap->nchar == Ctrl_G && p_im)
6834 	    restart_edit = 'a';
6835     }
6836     else
6837 	clearopbeep(cap->oap);
6838 }
6839 
6840 /*
6841  * ESC in Normal mode: beep, but don't flush buffers.
6842  * Don't even beep if we are canceling a command.
6843  */
6844     static void
6845 nv_esc(cmdarg_T *cap)
6846 {
6847     int		no_reason;
6848 
6849     no_reason = (cap->oap->op_type == OP_NOP
6850 		&& cap->opcount == 0
6851 		&& cap->count0 == 0
6852 		&& cap->oap->regname == 0
6853 		&& !p_im);
6854 
6855     if (cap->arg)		/* TRUE for CTRL-C */
6856     {
6857 	if (restart_edit == 0
6858 #ifdef FEAT_CMDWIN
6859 		&& cmdwin_type == 0
6860 #endif
6861 		&& !VIsual_active
6862 		&& no_reason)
6863 	{
6864 	    if (anyBufIsChanged())
6865 		msg(_("Type  :qa!  and press <Enter> to abandon all changes and exit Vim"));
6866 	    else
6867 		msg(_("Type  :qa  and press <Enter> to exit Vim"));
6868 	}
6869 
6870 	/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
6871 	 * set again below when halfway a mapping. */
6872 	if (!p_im)
6873 	    restart_edit = 0;
6874 #ifdef FEAT_CMDWIN
6875 	if (cmdwin_type != 0)
6876 	{
6877 	    cmdwin_result = K_IGNORE;
6878 	    got_int = FALSE;	/* don't stop executing autocommands et al. */
6879 	    return;
6880 	}
6881 #endif
6882     }
6883 
6884     if (VIsual_active)
6885     {
6886 	end_visual_mode();	/* stop Visual */
6887 	check_cursor_col();	/* make sure cursor is not beyond EOL */
6888 	curwin->w_set_curswant = TRUE;
6889 	redraw_curbuf_later(INVERTED);
6890     }
6891     else if (no_reason)
6892 	vim_beep(BO_ESC);
6893     clearop(cap->oap);
6894 
6895     /* A CTRL-C is often used at the start of a menu.  When 'insertmode' is
6896      * set return to Insert mode afterwards. */
6897     if (restart_edit == 0 && goto_im() && ex_normal_busy == 0)
6898 	restart_edit = 'a';
6899 }
6900 
6901 /*
6902  * Move the cursor for the "A" command.
6903  */
6904     void
6905 set_cursor_for_append_to_line(void)
6906 {
6907     curwin->w_set_curswant = TRUE;
6908     if (ve_flags == VE_ALL)
6909     {
6910 	int save_State = State;
6911 
6912 	/* Pretend Insert mode here to allow the cursor on the
6913 	 * character past the end of the line */
6914 	State = INSERT;
6915 	coladvance((colnr_T)MAXCOL);
6916 	State = save_State;
6917     }
6918     else
6919 	curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
6920 }
6921 
6922 /*
6923  * Handle "A", "a", "I", "i" and <Insert> commands.
6924  * Also handle K_PS, start bracketed paste.
6925  */
6926     static void
6927 nv_edit(cmdarg_T *cap)
6928 {
6929     /* <Insert> is equal to "i" */
6930     if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
6931 	cap->cmdchar = 'i';
6932 
6933     /* in Visual mode "A" and "I" are an operator */
6934     if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
6935     {
6936 #ifdef FEAT_TERMINAL
6937 	if (term_in_normal_mode())
6938 	{
6939 	    end_visual_mode();
6940 	    clearop(cap->oap);
6941 	    term_enter_job_mode();
6942 	    return;
6943 	}
6944 #endif
6945 	v_visop(cap);
6946     }
6947 
6948     /* in Visual mode and after an operator "a" and "i" are for text objects */
6949     else if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
6950 	    && (cap->oap->op_type != OP_NOP || VIsual_active))
6951     {
6952 #ifdef FEAT_TEXTOBJ
6953 	nv_object(cap);
6954 #else
6955 	clearopbeep(cap->oap);
6956 #endif
6957     }
6958 #ifdef FEAT_TERMINAL
6959     else if (term_in_normal_mode())
6960     {
6961 	clearop(cap->oap);
6962 	term_enter_job_mode();
6963 	return;
6964     }
6965 #endif
6966     else if (!curbuf->b_p_ma && !p_im)
6967     {
6968 	/* Only give this error when 'insertmode' is off. */
6969 	emsg(_(e_modifiable));
6970 	clearop(cap->oap);
6971 	if (cap->cmdchar == K_PS)
6972 	    /* drop the pasted text */
6973 	    bracketed_paste(PASTE_INSERT, TRUE, NULL);
6974     }
6975     else if (cap->cmdchar == K_PS && VIsual_active)
6976     {
6977 	pos_T old_pos = curwin->w_cursor;
6978 	pos_T old_visual = VIsual;
6979 
6980 	/* In Visual mode the selected text is deleted. */
6981 	if (VIsual_mode == 'V' || curwin->w_cursor.lnum != VIsual.lnum)
6982 	{
6983 	    shift_delete_registers();
6984 	    cap->oap->regname = '1';
6985 	}
6986 	else
6987 	    cap->oap->regname = '-';
6988 	cap->cmdchar = 'd';
6989 	cap->nchar = NUL;
6990 	nv_operator(cap);
6991 	do_pending_operator(cap, 0, FALSE);
6992 	cap->cmdchar = K_PS;
6993 
6994 	/* When the last char in the line was deleted then append. Detect this
6995 	 * by checking if the cursor moved to before the Visual area. */
6996 	if (*ml_get_cursor() != NUL && LT_POS(curwin->w_cursor, old_pos)
6997 				       && LT_POS(curwin->w_cursor, old_visual))
6998 	    inc_cursor();
6999 
7000 	/* Insert to replace the deleted text with the pasted text. */
7001 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
7002     }
7003     else if (!checkclearopq(cap->oap))
7004     {
7005 	switch (cap->cmdchar)
7006 	{
7007 	    case 'A':	/* "A"ppend after the line */
7008 		set_cursor_for_append_to_line();
7009 		break;
7010 
7011 	    case 'I':	/* "I"nsert before the first non-blank */
7012 		if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
7013 		    beginline(BL_WHITE);
7014 		else
7015 		    beginline(BL_WHITE|BL_FIX);
7016 		break;
7017 
7018 	    case K_PS:
7019 		/* Bracketed paste works like "a"ppend, unless the cursor is in
7020 		 * the first column, then it inserts. */
7021 		if (curwin->w_cursor.col == 0)
7022 		    break;
7023 		/* FALLTHROUGH */
7024 
7025 	    case 'a':	/* "a"ppend is like "i"nsert on the next character. */
7026 		/* increment coladd when in virtual space, increment the
7027 		 * column otherwise, also to append after an unprintable char */
7028 		if (virtual_active()
7029 			&& (curwin->w_cursor.coladd > 0
7030 			    || *ml_get_cursor() == NUL
7031 			    || *ml_get_cursor() == TAB))
7032 		    curwin->w_cursor.coladd++;
7033 		else if (*ml_get_cursor() != NUL)
7034 		    inc_cursor();
7035 		break;
7036 	}
7037 
7038 	if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
7039 	{
7040 	    int save_State = State;
7041 
7042 	    /* Pretend Insert mode here to allow the cursor on the
7043 	     * character past the end of the line */
7044 	    State = INSERT;
7045 	    coladvance(getviscol());
7046 	    State = save_State;
7047 	}
7048 
7049 	invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
7050     }
7051     else if (cap->cmdchar == K_PS)
7052 	/* drop the pasted text */
7053 	bracketed_paste(PASTE_INSERT, TRUE, NULL);
7054 }
7055 
7056 /*
7057  * Invoke edit() and take care of "restart_edit" and the return value.
7058  */
7059     static void
7060 invoke_edit(
7061     cmdarg_T	*cap,
7062     int		repl,		/* "r" or "gr" command */
7063     int		cmd,
7064     int		startln)
7065 {
7066     int		restart_edit_save = 0;
7067 
7068     /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
7069      * mode recursively.  But when doing "a<C-O>." or "a<C-O>rx" we do allow
7070      * it. */
7071     if (repl || !stuff_empty())
7072 	restart_edit_save = restart_edit;
7073     else
7074 	restart_edit_save = 0;
7075 
7076     /* Always reset "restart_edit", this is not a restarted edit. */
7077     restart_edit = 0;
7078 
7079     if (edit(cmd, startln, cap->count1))
7080 	cap->retval |= CA_COMMAND_BUSY;
7081 
7082     if (restart_edit == 0)
7083 	restart_edit = restart_edit_save;
7084 }
7085 
7086 #ifdef FEAT_TEXTOBJ
7087 /*
7088  * "a" or "i" while an operator is pending or in Visual mode: object motion.
7089  */
7090     static void
7091 nv_object(
7092     cmdarg_T	*cap)
7093 {
7094     int		flag;
7095     int		include;
7096     char_u	*mps_save;
7097 
7098     if (cap->cmdchar == 'i')
7099 	include = FALSE;    /* "ix" = inner object: exclude white space */
7100     else
7101 	include = TRUE;	    /* "ax" = an object: include white space */
7102 
7103     /* Make sure (), [], {} and <> are in 'matchpairs' */
7104     mps_save = curbuf->b_p_mps;
7105     curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
7106 
7107     switch (cap->nchar)
7108     {
7109 	case 'w': /* "aw" = a word */
7110 		flag = current_word(cap->oap, cap->count1, include, FALSE);
7111 		break;
7112 	case 'W': /* "aW" = a WORD */
7113 		flag = current_word(cap->oap, cap->count1, include, TRUE);
7114 		break;
7115 	case 'b': /* "ab" = a braces block */
7116 	case '(':
7117 	case ')':
7118 		flag = current_block(cap->oap, cap->count1, include, '(', ')');
7119 		break;
7120 	case 'B': /* "aB" = a Brackets block */
7121 	case '{':
7122 	case '}':
7123 		flag = current_block(cap->oap, cap->count1, include, '{', '}');
7124 		break;
7125 	case '[': /* "a[" = a [] block */
7126 	case ']':
7127 		flag = current_block(cap->oap, cap->count1, include, '[', ']');
7128 		break;
7129 	case '<': /* "a<" = a <> block */
7130 	case '>':
7131 		flag = current_block(cap->oap, cap->count1, include, '<', '>');
7132 		break;
7133 	case 't': /* "at" = a tag block (xml and html) */
7134 		/* Do not adjust oap->end in do_pending_operator()
7135 		 * otherwise there are different results for 'dit'
7136 		 * (note leading whitespace in last line):
7137 		 * 1) <b>      2) <b>
7138 		 *    foobar      foobar
7139 		 *    </b>            </b>
7140 		 */
7141 		cap->retval |= CA_NO_ADJ_OP_END;
7142 		flag = current_tagblock(cap->oap, cap->count1, include);
7143 		break;
7144 	case 'p': /* "ap" = a paragraph */
7145 		flag = current_par(cap->oap, cap->count1, include, 'p');
7146 		break;
7147 	case 's': /* "as" = a sentence */
7148 		flag = current_sent(cap->oap, cap->count1, include);
7149 		break;
7150 	case '"': /* "a"" = a double quoted string */
7151 	case '\'': /* "a'" = a single quoted string */
7152 	case '`': /* "a`" = a backtick quoted string */
7153 		flag = current_quote(cap->oap, cap->count1, include,
7154 								  cap->nchar);
7155 		break;
7156 #if 0	/* TODO */
7157 	case 'S': /* "aS" = a section */
7158 	case 'f': /* "af" = a filename */
7159 	case 'u': /* "au" = a URL */
7160 #endif
7161 	default:
7162 		flag = FAIL;
7163 		break;
7164     }
7165 
7166     curbuf->b_p_mps = mps_save;
7167     if (flag == FAIL)
7168 	clearopbeep(cap->oap);
7169     adjust_cursor_col();
7170     curwin->w_set_curswant = TRUE;
7171 }
7172 #endif
7173 
7174 /*
7175  * "q" command: Start/stop recording.
7176  * "q:", "q/", "q?": edit command-line in command-line window.
7177  */
7178     static void
7179 nv_record(cmdarg_T *cap)
7180 {
7181     if (cap->oap->op_type == OP_FORMAT)
7182     {
7183 	/* "gqq" is the same as "gqgq": format line */
7184 	cap->cmdchar = 'g';
7185 	cap->nchar = 'q';
7186 	nv_operator(cap);
7187     }
7188     else if (!checkclearop(cap->oap))
7189     {
7190 #ifdef FEAT_CMDWIN
7191 	if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
7192 	{
7193 	    stuffcharReadbuff(cap->nchar);
7194 	    stuffcharReadbuff(K_CMDWIN);
7195 	}
7196 	else
7197 #endif
7198 	    /* (stop) recording into a named register, unless executing a
7199 	     * register */
7200 	    if (reg_executing == 0 && do_record(cap->nchar) == FAIL)
7201 		clearopbeep(cap->oap);
7202     }
7203 }
7204 
7205 /*
7206  * Handle the "@r" command.
7207  */
7208     static void
7209 nv_at(cmdarg_T *cap)
7210 {
7211     if (checkclearop(cap->oap))
7212 	return;
7213 #ifdef FEAT_EVAL
7214     if (cap->nchar == '=')
7215     {
7216 	if (get_expr_register() == NUL)
7217 	    return;
7218     }
7219 #endif
7220     while (cap->count1-- && !got_int)
7221     {
7222 	if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
7223 	{
7224 	    clearopbeep(cap->oap);
7225 	    break;
7226 	}
7227 	line_breakcheck();
7228     }
7229 }
7230 
7231 /*
7232  * Handle the CTRL-U and CTRL-D commands.
7233  */
7234     static void
7235 nv_halfpage(cmdarg_T *cap)
7236 {
7237     if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
7238 	    || (cap->cmdchar == Ctrl_D
7239 		&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
7240 	clearopbeep(cap->oap);
7241     else if (!checkclearop(cap->oap))
7242 	halfpage(cap->cmdchar == Ctrl_D, cap->count0);
7243 }
7244 
7245 /*
7246  * Handle "J" or "gJ" command.
7247  */
7248     static void
7249 nv_join(cmdarg_T *cap)
7250 {
7251     if (VIsual_active)	/* join the visual lines */
7252 	nv_operator(cap);
7253     else if (!checkclearop(cap->oap))
7254     {
7255 	if (cap->count0 <= 1)
7256 	    cap->count0 = 2;	    /* default for join is two lines! */
7257 	if (curwin->w_cursor.lnum + cap->count0 - 1 >
7258 						   curbuf->b_ml.ml_line_count)
7259 	{
7260 	    /* can't join when on the last line */
7261 	    if (cap->count0 <= 2)
7262 	    {
7263 		clearopbeep(cap->oap);
7264 		return;
7265 	    }
7266 	    cap->count0 = curbuf->b_ml.ml_line_count
7267 						  - curwin->w_cursor.lnum + 1;
7268 	}
7269 
7270 	prep_redo(cap->oap->regname, cap->count0,
7271 				     NUL, cap->cmdchar, NUL, NUL, cap->nchar);
7272 	(void)do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE, TRUE);
7273     }
7274 }
7275 
7276 /*
7277  * "P", "gP", "p" and "gp" commands.
7278  */
7279     static void
7280 nv_put(cmdarg_T *cap)
7281 {
7282     nv_put_opt(cap, FALSE);
7283 }
7284 
7285 /*
7286  * "P", "gP", "p" and "gp" commands.
7287  * "fix_indent" is TRUE for "[p", "[P", "]p" and "]P".
7288  */
7289     static void
7290 nv_put_opt(cmdarg_T *cap, int fix_indent)
7291 {
7292     int		regname = 0;
7293     void	*reg1 = NULL, *reg2 = NULL;
7294     int		empty = FALSE;
7295     int		was_visual = FALSE;
7296     int		dir;
7297     int		flags = 0;
7298 
7299     if (cap->oap->op_type != OP_NOP)
7300     {
7301 #ifdef FEAT_DIFF
7302 	/* "dp" is ":diffput" */
7303 	if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
7304 	{
7305 	    clearop(cap->oap);
7306 	    nv_diffgetput(TRUE, cap->opcount);
7307 	}
7308 	else
7309 #endif
7310 	clearopbeep(cap->oap);
7311     }
7312 #ifdef FEAT_JOB_CHANNEL
7313     else if (bt_prompt(curbuf) && !prompt_curpos_editable())
7314     {
7315 	clearopbeep(cap->oap);
7316     }
7317 #endif
7318     else
7319     {
7320 	if (fix_indent)
7321 	{
7322 	    dir = (cap->cmdchar == ']' && cap->nchar == 'p')
7323 							 ? FORWARD : BACKWARD;
7324 	    flags |= PUT_FIXINDENT;
7325 	}
7326 	else
7327 	    dir = (cap->cmdchar == 'P'
7328 				 || (cap->cmdchar == 'g' && cap->nchar == 'P'))
7329 							 ? BACKWARD : FORWARD;
7330 	prep_redo_cmd(cap);
7331 	if (cap->cmdchar == 'g')
7332 	    flags |= PUT_CURSEND;
7333 
7334 	if (VIsual_active)
7335 	{
7336 	    /* Putting in Visual mode: The put text replaces the selected
7337 	     * text.  First delete the selected text, then put the new text.
7338 	     * Need to save and restore the registers that the delete
7339 	     * overwrites if the old contents is being put.
7340 	     */
7341 	    was_visual = TRUE;
7342 	    regname = cap->oap->regname;
7343 #ifdef FEAT_CLIPBOARD
7344 	    adjust_clip_reg(&regname);
7345 #endif
7346 	   if (regname == 0 || regname == '"'
7347 				     || VIM_ISDIGIT(regname) || regname == '-'
7348 #ifdef FEAT_CLIPBOARD
7349 		    || (clip_unnamed && (regname == '*' || regname == '+'))
7350 #endif
7351 
7352 		    )
7353 	    {
7354 		/* The delete is going to overwrite the register we want to
7355 		 * put, save it first. */
7356 		reg1 = get_register(regname, TRUE);
7357 	    }
7358 
7359 	    // Now delete the selected text. Avoid messages here.
7360 	    cap->cmdchar = 'd';
7361 	    cap->nchar = NUL;
7362 	    cap->oap->regname = NUL;
7363 	    ++msg_silent;
7364 	    nv_operator(cap);
7365 	    do_pending_operator(cap, 0, FALSE);
7366 	    empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7367 	    --msg_silent;
7368 
7369 	    /* delete PUT_LINE_BACKWARD; */
7370 	    cap->oap->regname = regname;
7371 
7372 	    if (reg1 != NULL)
7373 	    {
7374 		/* Delete probably changed the register we want to put, save
7375 		 * it first. Then put back what was there before the delete. */
7376 		reg2 = get_register(regname, FALSE);
7377 		put_register(regname, reg1);
7378 	    }
7379 
7380 	    /* When deleted a linewise Visual area, put the register as
7381 	     * lines to avoid it joined with the next line.  When deletion was
7382 	     * characterwise, split a line when putting lines. */
7383 	    if (VIsual_mode == 'V')
7384 		flags |= PUT_LINE;
7385 	    else if (VIsual_mode == 'v')
7386 		flags |= PUT_LINE_SPLIT;
7387 	    if (VIsual_mode == Ctrl_V && dir == FORWARD)
7388 		flags |= PUT_LINE_FORWARD;
7389 	    dir = BACKWARD;
7390 	    if ((VIsual_mode != 'V'
7391 			&& curwin->w_cursor.col < curbuf->b_op_start.col)
7392 		    || (VIsual_mode == 'V'
7393 			&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
7394 		/* cursor is at the end of the line or end of file, put
7395 		 * forward. */
7396 		dir = FORWARD;
7397 	    /* May have been reset in do_put(). */
7398 	    VIsual_active = TRUE;
7399 	}
7400 	do_put(cap->oap->regname, dir, cap->count1, flags);
7401 
7402 	/* If a register was saved, put it back now. */
7403 	if (reg2 != NULL)
7404 	    put_register(regname, reg2);
7405 
7406 	/* What to reselect with "gv"?  Selecting the just put text seems to
7407 	 * be the most useful, since the original text was removed. */
7408 	if (was_visual)
7409 	{
7410 	    curbuf->b_visual.vi_start = curbuf->b_op_start;
7411 	    curbuf->b_visual.vi_end = curbuf->b_op_end;
7412 	    /* need to adjust cursor position */
7413 	    if (*p_sel == 'e')
7414 		inc(&curbuf->b_visual.vi_end);
7415 	}
7416 
7417 	/* When all lines were selected and deleted do_put() leaves an empty
7418 	 * line that needs to be deleted now. */
7419 	if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
7420 	{
7421 	    ml_delete(curbuf->b_ml.ml_line_count, TRUE);
7422 	    deleted_lines(curbuf->b_ml.ml_line_count + 1, 1);
7423 
7424 	    /* If the cursor was in that line, move it to the end of the last
7425 	     * line. */
7426 	    if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7427 	    {
7428 		curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7429 		coladvance((colnr_T)MAXCOL);
7430 	    }
7431 	}
7432 	auto_format(FALSE, TRUE);
7433     }
7434 }
7435 
7436 /*
7437  * "o" and "O" commands.
7438  */
7439     static void
7440 nv_open(cmdarg_T *cap)
7441 {
7442 #ifdef FEAT_DIFF
7443     /* "do" is ":diffget" */
7444     if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
7445     {
7446 	clearop(cap->oap);
7447 	nv_diffgetput(FALSE, cap->opcount);
7448     }
7449     else
7450 #endif
7451     if (VIsual_active)  /* switch start and end of visual */
7452 	v_swap_corners(cap->cmdchar);
7453 #ifdef FEAT_JOB_CHANNEL
7454     else if (bt_prompt(curbuf))
7455 	clearopbeep(cap->oap);
7456 #endif
7457     else
7458 	n_opencmd(cap);
7459 }
7460 
7461 #ifdef FEAT_NETBEANS_INTG
7462     static void
7463 nv_nbcmd(cmdarg_T *cap)
7464 {
7465     netbeans_keycommand(cap->nchar);
7466 }
7467 #endif
7468 
7469 #ifdef FEAT_DND
7470     static void
7471 nv_drop(cmdarg_T *cap UNUSED)
7472 {
7473     do_put('~', BACKWARD, 1L, PUT_CURSEND);
7474 }
7475 #endif
7476 
7477 /*
7478  * Trigger CursorHold event.
7479  * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
7480  * input buffer.  "did_cursorhold" is set to avoid retriggering.
7481  */
7482     static void
7483 nv_cursorhold(cmdarg_T *cap)
7484 {
7485     apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
7486     did_cursorhold = TRUE;
7487     cap->retval |= CA_COMMAND_BUSY;	/* don't call edit() now */
7488 }
7489