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Patch 7.1.045
[MacVim.git] / src / normal.c
blobb1f8c6a8ca024888cb2148ec958a4babff641526
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9 /*
10 * normal.c: Contains the main routine for processing characters in command
11 * mode. Communicates closely with the code in ops.c to handle
12 * the operators.
13 */
14
15 #include "vim.h"
16
17 #ifdef FEAT_VISUAL
18 /*
19 * The Visual area is remembered for reselection.
20 */
21 static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
22 static linenr_T resel_VIsual_line_count; /* number of lines */
23 static colnr_T resel_VIsual_col; /* nr of cols or end col */
24
25 static int restart_VIsual_select = 0;
26 #endif
27
28 static int
29 # ifdef __BORLANDC__
30 _RTLENTRYF
31 # endif
32 nv_compare __ARGS((const void *s1, const void *s2));
33 static int find_command __ARGS((int cmdchar));
34 static void op_colon __ARGS((oparg_T *oap));
35 static void op_function __ARGS((oparg_T *oap));
36 #if defined(FEAT_MOUSE) && defined(FEAT_VISUAL)
37 static void find_start_of_word __ARGS((pos_T *));
38 static void find_end_of_word __ARGS((pos_T *));
39 static int get_mouse_class __ARGS((char_u *p));
40 #endif
41 static void prep_redo_cmd __ARGS((cmdarg_T *cap));
42 static void prep_redo __ARGS((int regname, long, int, int, int, int, int));
43 static int checkclearop __ARGS((oparg_T *oap));
44 static int checkclearopq __ARGS((oparg_T *oap));
45 static void clearop __ARGS((oparg_T *oap));
46 static void clearopbeep __ARGS((oparg_T *oap));
47 #ifdef FEAT_VISUAL
48 static void unshift_special __ARGS((cmdarg_T *cap));
49 #endif
50 #ifdef FEAT_CMDL_INFO
51 static void del_from_showcmd __ARGS((int));
52 #endif
53
54 /*
55 * nv_*(): functions called to handle Normal and Visual mode commands.
56 * n_*(): functions called to handle Normal mode commands.
57 * v_*(): functions called to handle Visual mode commands.
58 */
59 static void nv_ignore __ARGS((cmdarg_T *cap));
60 static void nv_nop __ARGS((cmdarg_T *cap));
61 static void nv_error __ARGS((cmdarg_T *cap));
62 static void nv_help __ARGS((cmdarg_T *cap));
63 static void nv_addsub __ARGS((cmdarg_T *cap));
64 static void nv_page __ARGS((cmdarg_T *cap));
65 static void nv_gd __ARGS((oparg_T *oap, int nchar, int thisblock));
66 static int nv_screengo __ARGS((oparg_T *oap, int dir, long dist));
67 #ifdef FEAT_MOUSE
68 static void nv_mousescroll __ARGS((cmdarg_T *cap));
69 static void nv_mouse __ARGS((cmdarg_T *cap));
70 #endif
71 static void nv_scroll_line __ARGS((cmdarg_T *cap));
72 static void nv_zet __ARGS((cmdarg_T *cap));
73 #ifdef FEAT_GUI
74 static void nv_ver_scrollbar __ARGS((cmdarg_T *cap));
75 static void nv_hor_scrollbar __ARGS((cmdarg_T *cap));
76 #endif
77 #ifdef FEAT_GUI_TABLINE
78 static void nv_tabline __ARGS((cmdarg_T *cap));
79 static void nv_tabmenu __ARGS((cmdarg_T *cap));
80 #endif
81 static void nv_exmode __ARGS((cmdarg_T *cap));
82 static void nv_colon __ARGS((cmdarg_T *cap));
83 static void nv_ctrlg __ARGS((cmdarg_T *cap));
84 static void nv_ctrlh __ARGS((cmdarg_T *cap));
85 static void nv_clear __ARGS((cmdarg_T *cap));
86 static void nv_ctrlo __ARGS((cmdarg_T *cap));
87 static void nv_hat __ARGS((cmdarg_T *cap));
88 static void nv_Zet __ARGS((cmdarg_T *cap));
89 static void nv_ident __ARGS((cmdarg_T *cap));
90 static void nv_tagpop __ARGS((cmdarg_T *cap));
91 static void nv_scroll __ARGS((cmdarg_T *cap));
92 static void nv_right __ARGS((cmdarg_T *cap));
93 static void nv_left __ARGS((cmdarg_T *cap));
94 static void nv_up __ARGS((cmdarg_T *cap));
95 static void nv_down __ARGS((cmdarg_T *cap));
96 #ifdef FEAT_SEARCHPATH
97 static void nv_gotofile __ARGS((cmdarg_T *cap));
98 #endif
99 static void nv_end __ARGS((cmdarg_T *cap));
100 static void nv_dollar __ARGS((cmdarg_T *cap));
101 static void nv_search __ARGS((cmdarg_T *cap));
102 static void nv_next __ARGS((cmdarg_T *cap));
103 static void normal_search __ARGS((cmdarg_T *cap, int dir, char_u *pat, int opt));
104 static void nv_csearch __ARGS((cmdarg_T *cap));
105 static void nv_brackets __ARGS((cmdarg_T *cap));
106 static void nv_percent __ARGS((cmdarg_T *cap));
107 static void nv_brace __ARGS((cmdarg_T *cap));
108 static void nv_mark __ARGS((cmdarg_T *cap));
109 static void nv_findpar __ARGS((cmdarg_T *cap));
110 static void nv_undo __ARGS((cmdarg_T *cap));
111 static void nv_kundo __ARGS((cmdarg_T *cap));
112 static void nv_Replace __ARGS((cmdarg_T *cap));
113 #ifdef FEAT_VREPLACE
114 static void nv_vreplace __ARGS((cmdarg_T *cap));
115 #endif
116 #ifdef FEAT_VISUAL
117 static void v_swap_corners __ARGS((int cmdchar));
118 #endif
119 static void nv_replace __ARGS((cmdarg_T *cap));
120 static void n_swapchar __ARGS((cmdarg_T *cap));
121 static void nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
122 #ifdef FEAT_VISUAL
123 static void v_visop __ARGS((cmdarg_T *cap));
124 #endif
125 static void nv_subst __ARGS((cmdarg_T *cap));
126 static void nv_abbrev __ARGS((cmdarg_T *cap));
127 static void nv_optrans __ARGS((cmdarg_T *cap));
128 static void nv_gomark __ARGS((cmdarg_T *cap));
129 static void nv_pcmark __ARGS((cmdarg_T *cap));
130 static void nv_regname __ARGS((cmdarg_T *cap));
131 #ifdef FEAT_VISUAL
132 static void nv_visual __ARGS((cmdarg_T *cap));
133 static void n_start_visual_mode __ARGS((int c));
134 #endif
135 static void nv_window __ARGS((cmdarg_T *cap));
136 static void nv_suspend __ARGS((cmdarg_T *cap));
137 static void nv_g_cmd __ARGS((cmdarg_T *cap));
138 static void n_opencmd __ARGS((cmdarg_T *cap));
139 static void nv_dot __ARGS((cmdarg_T *cap));
140 static void nv_redo __ARGS((cmdarg_T *cap));
141 static void nv_Undo __ARGS((cmdarg_T *cap));
142 static void nv_tilde __ARGS((cmdarg_T *cap));
143 static void nv_operator __ARGS((cmdarg_T *cap));
144 static void nv_lineop __ARGS((cmdarg_T *cap));
145 static void nv_home __ARGS((cmdarg_T *cap));
146 static void nv_pipe __ARGS((cmdarg_T *cap));
147 static void nv_bck_word __ARGS((cmdarg_T *cap));
148 static void nv_wordcmd __ARGS((cmdarg_T *cap));
149 static void nv_beginline __ARGS((cmdarg_T *cap));
150 #ifdef FEAT_VISUAL
151 static void adjust_for_sel __ARGS((cmdarg_T *cap));
152 static int unadjust_for_sel __ARGS((void));
153 static void nv_select __ARGS((cmdarg_T *cap));
154 #endif
155 static void nv_goto __ARGS((cmdarg_T *cap));
156 static void nv_normal __ARGS((cmdarg_T *cap));
157 static void nv_esc __ARGS((cmdarg_T *oap));
158 static void nv_edit __ARGS((cmdarg_T *cap));
159 static void invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
160 #ifdef FEAT_TEXTOBJ
161 static void nv_object __ARGS((cmdarg_T *cap));
162 #endif
163 static void nv_record __ARGS((cmdarg_T *cap));
164 static void nv_at __ARGS((cmdarg_T *cap));
165 static void nv_halfpage __ARGS((cmdarg_T *cap));
166 static void nv_join __ARGS((cmdarg_T *cap));
167 static void nv_put __ARGS((cmdarg_T *cap));
168 static void nv_open __ARGS((cmdarg_T *cap));
169 #ifdef FEAT_SNIFF
170 static void nv_sniff __ARGS((cmdarg_T *cap));
171 #endif
172 #ifdef FEAT_NETBEANS_INTG
173 static void nv_nbcmd __ARGS((cmdarg_T *cap));
174 #endif
175 #ifdef FEAT_DND
176 static void nv_drop __ARGS((cmdarg_T *cap));
177 #endif
178 #ifdef FEAT_AUTOCMD
179 static void nv_cursorhold __ARGS((cmdarg_T *cap));
180 #endif
181
182 /*
183 * Function to be called for a Normal or Visual mode command.
184 * The argument is a cmdarg_T.
185 */
186 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
187
188 /* Values for cmd_flags. */
189 #define NV_NCH 0x01 /* may need to get a second char */
190 #define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */
191 #define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */
192 #define NV_LANG 0x08 /* second char needs language adjustment */
193
194 #define NV_SS 0x10 /* may start selection */
195 #define NV_SSS 0x20 /* may start selection with shift modifier */
196 #define NV_STS 0x40 /* may stop selection without shift modif. */
197 #define NV_RL 0x80 /* 'rightleft' modifies command */
198 #define NV_KEEPREG 0x100 /* don't clear regname */
199 #define NV_NCW 0x200 /* not allowed in command-line window */
200
201 /*
202 * Generally speaking, every Normal mode command should either clear any
203 * pending operator (with *clearop*()), or set the motion type variable
204 * oap->motion_type.
205 *
206 * When a cursor motion command is made, it is marked as being a character or
207 * line oriented motion. Then, if an operator is in effect, the operation
208 * becomes character or line oriented accordingly.
209 */
210
211 /*
212 * This table contains one entry for every Normal or Visual mode command.
213 * The order doesn't matter, init_normal_cmds() will create a sorted index.
214 * It is faster when all keys from zero to '~' are present.
215 */
216 static const struct nv_cmd
217 {
218 int cmd_char; /* (first) command character */
219 nv_func_T cmd_func; /* function for this command */
220 short_u cmd_flags; /* NV_ flags */
221 short cmd_arg; /* value for ca.arg */
222 } nv_cmds[] =
223 {
224 {NUL, nv_error, 0, 0},
225 {Ctrl_A, nv_addsub, 0, 0},
226 {Ctrl_B, nv_page, NV_STS, BACKWARD},
227 {Ctrl_C, nv_esc, 0, TRUE},
228 {Ctrl_D, nv_halfpage, 0, 0},
229 {Ctrl_E, nv_scroll_line, 0, TRUE},
230 {Ctrl_F, nv_page, NV_STS, FORWARD},
231 {Ctrl_G, nv_ctrlg, 0, 0},
232 {Ctrl_H, nv_ctrlh, 0, 0},
233 {Ctrl_I, nv_pcmark, 0, 0},
234 {NL, nv_down, 0, FALSE},
235 {Ctrl_K, nv_error, 0, 0},
236 {Ctrl_L, nv_clear, 0, 0},
237 {Ctrl_M, nv_down, 0, TRUE},
238 {Ctrl_N, nv_down, NV_STS, FALSE},
239 {Ctrl_O, nv_ctrlo, 0, 0},
240 {Ctrl_P, nv_up, NV_STS, FALSE},
241 #ifdef FEAT_VISUAL
242 {Ctrl_Q, nv_visual, 0, FALSE},
243 #else
244 {Ctrl_Q, nv_ignore, 0, 0},
245 #endif
246 {Ctrl_R, nv_redo, 0, 0},
247 {Ctrl_S, nv_ignore, 0, 0},
248 {Ctrl_T, nv_tagpop, NV_NCW, 0},
249 {Ctrl_U, nv_halfpage, 0, 0},
250 #ifdef FEAT_VISUAL
251 {Ctrl_V, nv_visual, 0, FALSE},
252 {'V', nv_visual, 0, FALSE},
253 {'v', nv_visual, 0, FALSE},
254 #else
255 {Ctrl_V, nv_error, 0, 0},
256 {'V', nv_error, 0, 0},
257 {'v', nv_error, 0, 0},
258 #endif
259 {Ctrl_W, nv_window, 0, 0},
260 {Ctrl_X, nv_addsub, 0, 0},
261 {Ctrl_Y, nv_scroll_line, 0, FALSE},
262 {Ctrl_Z, nv_suspend, 0, 0},
263 {ESC, nv_esc, 0, FALSE},
264 {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0},
265 {Ctrl_RSB, nv_ident, NV_NCW, 0},
266 {Ctrl_HAT, nv_hat, NV_NCW, 0},
267 {Ctrl__, nv_error, 0, 0},
268 {' ', nv_right, 0, 0},
269 {'!', nv_operator, 0, 0},
270 {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0},
271 {'#', nv_ident, 0, 0},
272 {'$', nv_dollar, 0, 0},
273 {'%', nv_percent, 0, 0},
274 {'&', nv_optrans, 0, 0},
275 {'\'', nv_gomark, NV_NCH_ALW, TRUE},
276 {'(', nv_brace, 0, BACKWARD},
277 {')', nv_brace, 0, FORWARD},
278 {'*', nv_ident, 0, 0},
279 {'+', nv_down, 0, TRUE},
280 {',', nv_csearch, 0, TRUE},
281 {'-', nv_up, 0, TRUE},
282 {'.', nv_dot, NV_KEEPREG, 0},
283 {'/', nv_search, 0, FALSE},
284 {'0', nv_beginline, 0, 0},
285 {'1', nv_ignore, 0, 0},
286 {'2', nv_ignore, 0, 0},
287 {'3', nv_ignore, 0, 0},
288 {'4', nv_ignore, 0, 0},
289 {'5', nv_ignore, 0, 0},
290 {'6', nv_ignore, 0, 0},
291 {'7', nv_ignore, 0, 0},
292 {'8', nv_ignore, 0, 0},
293 {'9', nv_ignore, 0, 0},
294 {':', nv_colon, 0, 0},
295 {';', nv_csearch, 0, FALSE},
296 {'<', nv_operator, NV_RL, 0},
297 {'=', nv_operator, 0, 0},
298 {'>', nv_operator, NV_RL, 0},
299 {'?', nv_search, 0, FALSE},
300 {'@', nv_at, NV_NCH_NOP, FALSE},
301 {'A', nv_edit, 0, 0},
302 {'B', nv_bck_word, 0, 1},
303 {'C', nv_abbrev, NV_KEEPREG, 0},
304 {'D', nv_abbrev, NV_KEEPREG, 0},
305 {'E', nv_wordcmd, 0, TRUE},
306 {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
307 {'G', nv_goto, 0, TRUE},
308 {'H', nv_scroll, 0, 0},
309 {'I', nv_edit, 0, 0},
310 {'J', nv_join, 0, 0},
311 {'K', nv_ident, 0, 0},
312 {'L', nv_scroll, 0, 0},
313 {'M', nv_scroll, 0, 0},
314 {'N', nv_next, 0, SEARCH_REV},
315 {'O', nv_open, 0, 0},
316 {'P', nv_put, 0, 0},
317 {'Q', nv_exmode, NV_NCW, 0},
318 {'R', nv_Replace, 0, FALSE},
319 {'S', nv_subst, NV_KEEPREG, 0},
320 {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
321 {'U', nv_Undo, 0, 0},
322 {'W', nv_wordcmd, 0, TRUE},
323 {'X', nv_abbrev, NV_KEEPREG, 0},
324 {'Y', nv_abbrev, NV_KEEPREG, 0},
325 {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0},
326 {'[', nv_brackets, NV_NCH_ALW, BACKWARD},
327 {'\\', nv_error, 0, 0},
328 {']', nv_brackets, NV_NCH_ALW, FORWARD},
329 {'^', nv_beginline, 0, BL_WHITE | BL_FIX},
330 {'_', nv_lineop, 0, 0},
331 {'`', nv_gomark, NV_NCH_ALW, FALSE},
332 {'a', nv_edit, NV_NCH, 0},
333 {'b', nv_bck_word, 0, 0},
334 {'c', nv_operator, 0, 0},
335 {'d', nv_operator, 0, 0},
336 {'e', nv_wordcmd, 0, FALSE},
337 {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
338 {'g', nv_g_cmd, NV_NCH_ALW, FALSE},
339 {'h', nv_left, NV_RL, 0},
340 {'i', nv_edit, NV_NCH, 0},
341 {'j', nv_down, 0, FALSE},
342 {'k', nv_up, 0, FALSE},
343 {'l', nv_right, NV_RL, 0},
344 {'m', nv_mark, NV_NCH_NOP, 0},
345 {'n', nv_next, 0, 0},
346 {'o', nv_open, 0, 0},
347 {'p', nv_put, 0, 0},
348 {'q', nv_record, NV_NCH, 0},
349 {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0},
350 {'s', nv_subst, NV_KEEPREG, 0},
351 {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
352 {'u', nv_undo, 0, 0},
353 {'w', nv_wordcmd, 0, FALSE},
354 {'x', nv_abbrev, NV_KEEPREG, 0},
355 {'y', nv_operator, 0, 0},
356 {'z', nv_zet, NV_NCH_ALW, 0},
357 {'{', nv_findpar, 0, BACKWARD},
358 {'|', nv_pipe, 0, 0},
359 {'}', nv_findpar, 0, FORWARD},
360 {'~', nv_tilde, 0, 0},
361
362 /* pound sign */
363 {POUND, nv_ident, 0, 0},
364 #ifdef FEAT_MOUSE
365 {K_MOUSEUP, nv_mousescroll, 0, TRUE},
366 {K_MOUSEDOWN, nv_mousescroll, 0, FALSE},
367 {K_LEFTMOUSE, nv_mouse, 0, 0},
368 {K_LEFTMOUSE_NM, nv_mouse, 0, 0},
369 {K_LEFTDRAG, nv_mouse, 0, 0},
370 {K_LEFTRELEASE, nv_mouse, 0, 0},
371 {K_LEFTRELEASE_NM, nv_mouse, 0, 0},
372 {K_MIDDLEMOUSE, nv_mouse, 0, 0},
373 {K_MIDDLEDRAG, nv_mouse, 0, 0},
374 {K_MIDDLERELEASE, nv_mouse, 0, 0},
375 {K_RIGHTMOUSE, nv_mouse, 0, 0},
376 {K_RIGHTDRAG, nv_mouse, 0, 0},
377 {K_RIGHTRELEASE, nv_mouse, 0, 0},
378 {K_X1MOUSE, nv_mouse, 0, 0},
379 {K_X1DRAG, nv_mouse, 0, 0},
380 {K_X1RELEASE, nv_mouse, 0, 0},
381 {K_X2MOUSE, nv_mouse, 0, 0},
382 {K_X2DRAG, nv_mouse, 0, 0},
383 {K_X2RELEASE, nv_mouse, 0, 0},
384 #endif
385 {K_IGNORE, nv_ignore, NV_KEEPREG, 0},
386 {K_NOP, nv_nop, 0, 0},
387 {K_INS, nv_edit, 0, 0},
388 {K_KINS, nv_edit, 0, 0},
389 {K_BS, nv_ctrlh, 0, 0},
390 {K_UP, nv_up, NV_SSS|NV_STS, FALSE},
391 {K_S_UP, nv_page, NV_SS, BACKWARD},
392 {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE},
393 {K_S_DOWN, nv_page, NV_SS, FORWARD},
394 {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0},
395 {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0},
396 {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1},
397 {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0},
398 {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE},
399 {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE},
400 {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
401 {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
402 {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
403 {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
404 {K_END, nv_end, NV_SSS|NV_STS, FALSE},
405 {K_KEND, nv_end, NV_SSS|NV_STS, FALSE},
406 {K_S_END, nv_end, NV_SS, FALSE},
407 {K_C_END, nv_end, NV_SSS|NV_STS, TRUE},
408 {K_HOME, nv_home, NV_SSS|NV_STS, 0},
409 {K_KHOME, nv_home, NV_SSS|NV_STS, 0},
410 {K_S_HOME, nv_home, NV_SS, 0},
411 {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE},
412 {K_DEL, nv_abbrev, 0, 0},
413 {K_KDEL, nv_abbrev, 0, 0},
414 {K_UNDO, nv_kundo, 0, 0},
415 {K_HELP, nv_help, NV_NCW, 0},
416 {K_F1, nv_help, NV_NCW, 0},
417 {K_XF1, nv_help, NV_NCW, 0},
418 #ifdef FEAT_VISUAL
419 {K_SELECT, nv_select, 0, 0},
420 #endif
421 #ifdef FEAT_GUI
422 {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0},
423 {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0},
424 #endif
425 #ifdef FEAT_GUI_TABLINE
426 {K_TABLINE, nv_tabline, 0, 0},
427 {K_TABMENU, nv_tabmenu, 0, 0},
428 #endif
429 #ifdef FEAT_FKMAP
430 {K_F8, farsi_fkey, 0, 0},
431 {K_F9, farsi_fkey, 0, 0},
432 #endif
433 #ifdef FEAT_SNIFF
434 {K_SNIFF, nv_sniff, 0, 0},
435 #endif
436 #ifdef FEAT_NETBEANS_INTG
437 {K_F21, nv_nbcmd, NV_NCH_ALW, 0},
438 #endif
439 #ifdef FEAT_DND
440 {K_DROP, nv_drop, NV_STS, 0},
441 #endif
442 #ifdef FEAT_AUTOCMD
443 {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0},
444 #endif
445 };
446
447 /* Number of commands in nv_cmds[]. */
448 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
449
450 /* Sorted index of commands in nv_cmds[]. */
451 static short nv_cmd_idx[NV_CMDS_SIZE];
452
453 /* The highest index for which
454 * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
455 static int nv_max_linear;
456
457 /*
458 * Compare functions for qsort() below, that checks the command character
459 * through the index in nv_cmd_idx[].
460 */
461 static int
462 #ifdef __BORLANDC__
463 _RTLENTRYF
464 #endif
465 nv_compare(s1, s2)
466 const void *s1;
467 const void *s2;
468 {
469 int c1, c2;
470
471 /* The commands are sorted on absolute value. */
472 c1 = nv_cmds[*(const short *)s1].cmd_char;
473 c2 = nv_cmds[*(const short *)s2].cmd_char;
474 if (c1 < 0)
475 c1 = -c1;
476 if (c2 < 0)
477 c2 = -c2;
478 return c1 - c2;
479 }
480
481 /*
482 * Initialize the nv_cmd_idx[] table.
483 */
484 void
485 init_normal_cmds()
486 {
487 int i;
488
489 /* Fill the index table with a one to one relation. */
490 for (i = 0; i < NV_CMDS_SIZE; ++i)
491 nv_cmd_idx[i] = i;
492
493 /* Sort the commands by the command character. */
494 qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
495
496 /* Find the first entry that can't be indexed by the command character. */
497 for (i = 0; i < NV_CMDS_SIZE; ++i)
498 if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
499 break;
500 nv_max_linear = i - 1;
501 }
502
503 /*
504 * Search for a command in the commands table.
505 * Returns -1 for invalid command.
506 */
507 static int
508 find_command(cmdchar)
509 int cmdchar;
510 {
511 int i;
512 int idx;
513 int top, bot;
514 int c;
515
516 #ifdef FEAT_MBYTE
517 /* A multi-byte character is never a command. */
518 if (cmdchar >= 0x100)
519 return -1;
520 #endif
521
522 /* We use the absolute value of the character. Special keys have a
523 * negative value, but are sorted on their absolute value. */
524 if (cmdchar < 0)
525 cmdchar = -cmdchar;
526
527 /* If the character is in the first part: The character is the index into
528 * nv_cmd_idx[]. */
529 if (cmdchar <= nv_max_linear)
530 return nv_cmd_idx[cmdchar];
531
532 /* Perform a binary search. */
533 bot = nv_max_linear + 1;
534 top = NV_CMDS_SIZE - 1;
535 idx = -1;
536 while (bot <= top)
537 {
538 i = (top + bot) / 2;
539 c = nv_cmds[nv_cmd_idx[i]].cmd_char;
540 if (c < 0)
541 c = -c;
542 if (cmdchar == c)
543 {
544 idx = nv_cmd_idx[i];
545 break;
546 }
547 if (cmdchar > c)
548 bot = i + 1;
549 else
550 top = i - 1;
551 }
552 return idx;
553 }
554
555 /*
556 * Execute a command in Normal mode.
557 */
558 /*ARGSUSED*/
559 void
560 normal_cmd(oap, toplevel)
561 oparg_T *oap;
562 int toplevel; /* TRUE when called from main() */
563 {
564 static long opcount = 0; /* ca.opcount saved here */
565 cmdarg_T ca; /* command arguments */
566 int c;
567 int ctrl_w = FALSE; /* got CTRL-W command */
568 int old_col = curwin->w_curswant;
569 #ifdef FEAT_CMDL_INFO
570 int need_flushbuf; /* need to call out_flush() */
571 #endif
572 #ifdef FEAT_VISUAL
573 pos_T old_pos; /* cursor position before command */
574 int mapped_len;
575 static int old_mapped_len = 0;
576 #endif
577 int idx;
578
579 vim_memset(&ca, 0, sizeof(ca)); /* also resets ca.retval */
580 ca.oap = oap;
581 ca.opcount = opcount;
582
583 #ifdef FEAT_SNIFF
584 want_sniff_request = sniff_connected;
585 #endif
586
587 /*
588 * If there is an operator pending, then the command we take this time
589 * will terminate it. Finish_op tells us to finish the operation before
590 * returning this time (unless the operation was cancelled).
591 */
592 #ifdef CURSOR_SHAPE
593 c = finish_op;
594 #endif
595 finish_op = (oap->op_type != OP_NOP);
596 #ifdef CURSOR_SHAPE
597 if (finish_op != c)
598 {
599 ui_cursor_shape(); /* may show different cursor shape */
600 # ifdef FEAT_MOUSESHAPE
601 update_mouseshape(-1);
602 # endif
603 }
604 #endif
605
606 if (!finish_op && !oap->regname)
607 ca.opcount = 0;
608
609 #ifdef FEAT_VISUAL
610 mapped_len = typebuf_maplen();
611 #endif
612
613 State = NORMAL_BUSY;
614 #ifdef USE_ON_FLY_SCROLL
615 dont_scroll = FALSE; /* allow scrolling here */
616 #endif
617
618 /*
619 * Get the command character from the user.
620 */
621 c = safe_vgetc();
622
623 #ifdef FEAT_LANGMAP
624 LANGMAP_ADJUST(c, TRUE);
625 #endif
626
627 #ifdef FEAT_VISUAL
628 /*
629 * If a mapping was started in Visual or Select mode, remember the length
630 * of the mapping. This is used below to not return to Insert mode for as
631 * long as the mapping is being executed.
632 */
633 if (restart_edit == 0)
634 old_mapped_len = 0;
635 else if (old_mapped_len
636 || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
637 old_mapped_len = typebuf_maplen();
638 #endif
639
640 if (c == NUL)
641 c = K_ZERO;
642
643 #ifdef FEAT_VISUAL
644 /*
645 * In Select mode, typed text replaces the selection.
646 */
647 if (VIsual_active
648 && VIsual_select
649 && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
650 {
651 /* Fake a "c"hange command. When "restart_edit" is set (e.g., because
652 * 'insertmode' is set) fake a "d"elete command, Insert mode will
653 * restart automatically.
654 * Insert the typed character in the typeahead buffer, so that it can
655 * be mapped in Insert mode. Required for ":lmap" to work. */
656 ins_char_typebuf(c);
657 if (restart_edit != 0)
658 c = 'd';
659 else
660 c = 'c';
661 msg_nowait = TRUE; /* don't delay going to insert mode */
662 }
663 #endif
664
665 #ifdef FEAT_CMDL_INFO
666 need_flushbuf = add_to_showcmd(c);
667 #endif
668
669 getcount:
670 #ifdef FEAT_VISUAL
671 if (!(VIsual_active && VIsual_select))
672 #endif
673 {
674 /*
675 * Handle a count before a command and compute ca.count0.
676 * Note that '0' is a command and not the start of a count, but it's
677 * part of a count after other digits.
678 */
679 while ( (c >= '1' && c <= '9')
680 || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
681 {
682 if (c == K_DEL || c == K_KDEL)
683 {
684 ca.count0 /= 10;
685 #ifdef FEAT_CMDL_INFO
686 del_from_showcmd(4); /* delete the digit and ~@% */
687 #endif
688 }
689 else
690 ca.count0 = ca.count0 * 10 + (c - '0');
691 if (ca.count0 < 0) /* got too large! */
692 ca.count0 = 999999999L;
693 if (ctrl_w)
694 {
695 ++no_mapping;
696 ++allow_keys; /* no mapping for nchar, but keys */
697 }
698 ++no_zero_mapping; /* don't map zero here */
699 c = safe_vgetc();
700 #ifdef FEAT_LANGMAP
701 LANGMAP_ADJUST(c, TRUE);
702 #endif
703 --no_zero_mapping;
704 if (ctrl_w)
705 {
706 --no_mapping;
707 --allow_keys;
708 }
709 #ifdef FEAT_CMDL_INFO
710 need_flushbuf |= add_to_showcmd(c);
711 #endif
712 }
713
714 /*
715 * If we got CTRL-W there may be a/another count
716 */
717 if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
718 {
719 ctrl_w = TRUE;
720 ca.opcount = ca.count0; /* remember first count */
721 ca.count0 = 0;
722 ++no_mapping;
723 ++allow_keys; /* no mapping for nchar, but keys */
724 c = safe_vgetc(); /* get next character */
725 #ifdef FEAT_LANGMAP
726 LANGMAP_ADJUST(c, TRUE);
727 #endif
728 --no_mapping;
729 --allow_keys;
730 #ifdef FEAT_CMDL_INFO
731 need_flushbuf |= add_to_showcmd(c);
732 #endif
733 goto getcount; /* jump back */
734 }
735 }
736
737 /*
738 * If we're in the middle of an operator (including after entering a yank
739 * buffer with '"') AND we had a count before the operator, then that
740 * count overrides the current value of ca.count0.
741 * What this means effectively, is that commands like "3dw" get turned
742 * into "d3w" which makes things fall into place pretty neatly.
743 * If you give a count before AND after the operator, they are multiplied.
744 */
745 if (ca.opcount != 0)
746 {
747 if (ca.count0)
748 ca.count0 *= ca.opcount;
749 else
750 ca.count0 = ca.opcount;
751 }
752
753 /*
754 * Always remember the count. It will be set to zero (on the next call,
755 * above) when there is no pending operator.
756 * When called from main(), save the count for use by the "count" built-in
757 * variable.
758 */
759 ca.opcount = ca.count0;
760 ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
761
762 #ifdef FEAT_EVAL
763 /*
764 * Only set v:count when called from main() and not a stuffed command.
765 */
766 if (toplevel && stuff_empty())
767 set_vcount(ca.count0, ca.count1);
768 #endif
769
770 /*
771 * Find the command character in the table of commands.
772 * For CTRL-W we already got nchar when looking for a count.
773 */
774 if (ctrl_w)
775 {
776 ca.nchar = c;
777 ca.cmdchar = Ctrl_W;
778 }
779 else
780 ca.cmdchar = c;
781 idx = find_command(ca.cmdchar);
782 if (idx < 0)
783 {
784 /* Not a known command: beep. */
785 clearopbeep(oap);
786 goto normal_end;
787 }
788
789 if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
790 {
791 /* This command is not allowed wile editing a ccmdline: beep. */
792 clearopbeep(oap);
793 text_locked_msg();
794 goto normal_end;
795 }
796 #ifdef FEAT_AUTOCMD
797 if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
798 goto normal_end;
799 #endif
800
801 #ifdef FEAT_VISUAL
802 /*
803 * In Visual/Select mode, a few keys are handled in a special way.
804 */
805 if (VIsual_active)
806 {
807 /* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
808 if (km_stopsel
809 && (nv_cmds[idx].cmd_flags & NV_STS)
810 && !(mod_mask & MOD_MASK_SHIFT))
811 {
812 end_visual_mode();
813 redraw_curbuf_later(INVERTED);
814 }
815
816 /* Keys that work different when 'keymodel' contains "startsel" */
817 if (km_startsel)
818 {
819 if (nv_cmds[idx].cmd_flags & NV_SS)
820 {
821 unshift_special(&ca);
822 idx = find_command(ca.cmdchar);
823 if (idx < 0)
824 {
825 /* Just in case */
826 clearopbeep(oap);
827 goto normal_end;
828 }
829 }
830 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
831 && (mod_mask & MOD_MASK_SHIFT))
832 {
833 mod_mask &= ~MOD_MASK_SHIFT;
834 }
835 }
836 }
837 #endif
838
839 #ifdef FEAT_RIGHTLEFT
840 if (curwin->w_p_rl && KeyTyped && !KeyStuffed
841 && (nv_cmds[idx].cmd_flags & NV_RL))
842 {
843 /* Invert horizontal movements and operations. Only when typed by the
844 * user directly, not when the result of a mapping or "x" translated
845 * to "dl". */
846 switch (ca.cmdchar)
847 {
848 case 'l': ca.cmdchar = 'h'; break;
849 case K_RIGHT: ca.cmdchar = K_LEFT; break;
850 case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
851 case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
852 case 'h': ca.cmdchar = 'l'; break;
853 case K_LEFT: ca.cmdchar = K_RIGHT; break;
854 case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break;
855 case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break;
856 case '>': ca.cmdchar = '<'; break;
857 case '<': ca.cmdchar = '>'; break;
858 }
859 idx = find_command(ca.cmdchar);
860 }
861 #endif
862
863 /*
864 * Get an additional character if we need one.
865 */
866 if ((nv_cmds[idx].cmd_flags & NV_NCH)
867 && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
868 && oap->op_type == OP_NOP)
869 || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
870 || (ca.cmdchar == 'q'
871 && oap->op_type == OP_NOP
872 && !Recording
873 && !Exec_reg)
874 || ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
875 && (oap->op_type != OP_NOP
876 #ifdef FEAT_VISUAL
877 || VIsual_active
878 #endif
879 ))))
880 {
881 int *cp;
882 int repl = FALSE; /* get character for replace mode */
883 int lit = FALSE; /* get extra character literally */
884 int langmap_active = FALSE; /* using :lmap mappings */
885 int lang; /* getting a text character */
886 #ifdef USE_IM_CONTROL
887 int save_smd; /* saved value of p_smd */
888 #endif
889
890 ++no_mapping;
891 ++allow_keys; /* no mapping for nchar, but allow key codes */
892 if (ca.cmdchar == 'g')
893 {
894 /*
895 * For 'g' get the next character now, so that we can check for
896 * "gr", "g'" and "g`".
897 */
898 ca.nchar = safe_vgetc();
899 #ifdef FEAT_LANGMAP
900 LANGMAP_ADJUST(ca.nchar, TRUE);
901 #endif
902 #ifdef FEAT_CMDL_INFO
903 need_flushbuf |= add_to_showcmd(ca.nchar);
904 #endif
905 if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
906 || ca.nchar == Ctrl_BSL)
907 {
908 cp = &ca.extra_char; /* need to get a third character */
909 if (ca.nchar != 'r')
910 lit = TRUE; /* get it literally */
911 else
912 repl = TRUE; /* get it in replace mode */
913 }
914 else
915 cp = NULL; /* no third character needed */
916 }
917 else
918 {
919 if (ca.cmdchar == 'r') /* get it in replace mode */
920 repl = TRUE;
921 cp = &ca.nchar;
922 }
923 lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
924
925 /*
926 * Get a second or third character.
927 */
928 if (cp != NULL)
929 {
930 #ifdef CURSOR_SHAPE
931 if (repl)
932 {
933 State = REPLACE; /* pretend Replace mode */
934 ui_cursor_shape(); /* show different cursor shape */
935 }
936 #endif
937 if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
938 {
939 /* Allow mappings defined with ":lmap". */
940 --no_mapping;
941 --allow_keys;
942 if (repl)
943 State = LREPLACE;
944 else
945 State = LANGMAP;
946 langmap_active = TRUE;
947 }
948 #ifdef USE_IM_CONTROL
949 save_smd = p_smd;
950 p_smd = FALSE; /* Don't let the IM code show the mode here */
951 if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
952 im_set_active(TRUE);
953 #endif
954
955 *cp = safe_vgetc();
956
957 if (langmap_active)
958 {
959 /* Undo the decrement done above */
960 ++no_mapping;
961 ++allow_keys;
962 State = NORMAL_BUSY;
963 }
964 #ifdef USE_IM_CONTROL
965 if (lang)
966 {
967 if (curbuf->b_p_iminsert != B_IMODE_LMAP)
968 im_save_status(&curbuf->b_p_iminsert);
969 im_set_active(FALSE);
970 }
971 p_smd = save_smd;
972 #endif
973 #ifdef CURSOR_SHAPE
974 State = NORMAL_BUSY;
975 #endif
976 #ifdef FEAT_CMDL_INFO
977 need_flushbuf |= add_to_showcmd(*cp);
978 #endif
979
980 if (!lit)
981 {
982 #ifdef FEAT_DIGRAPHS
983 /* Typing CTRL-K gets a digraph. */
984 if (*cp == Ctrl_K
985 && ((nv_cmds[idx].cmd_flags & NV_LANG)
986 || cp == &ca.extra_char)
987 && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
988 {
989 c = get_digraph(FALSE);
990 if (c > 0)
991 {
992 *cp = c;
993 # ifdef FEAT_CMDL_INFO
994 /* Guessing how to update showcmd here... */
995 del_from_showcmd(3);
996 need_flushbuf |= add_to_showcmd(*cp);
997 # endif
998 }
999 }
1000 #endif
1001
1002 #ifdef FEAT_LANGMAP
1003 /* adjust chars > 127, except after "tTfFr" commands */
1004 LANGMAP_ADJUST(*cp, !lang);
1005 #endif
1006 #ifdef FEAT_RIGHTLEFT
1007 /* adjust Hebrew mapped char */
1008 if (p_hkmap && lang && KeyTyped)
1009 *cp = hkmap(*cp);
1010 # ifdef FEAT_FKMAP
1011 /* adjust Farsi mapped char */
1012 if (p_fkmap && lang && KeyTyped)
1013 *cp = fkmap(*cp);
1014 # endif
1015 #endif
1016 }
1017
1018 /*
1019 * When the next character is CTRL-\ a following CTRL-N means the
1020 * command is aborted and we go to Normal mode.
1021 */
1022 if (cp == &ca.extra_char
1023 && ca.nchar == Ctrl_BSL
1024 && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1025 {
1026 ca.cmdchar = Ctrl_BSL;
1027 ca.nchar = ca.extra_char;
1028 idx = find_command(ca.cmdchar);
1029 }
1030 else if (*cp == Ctrl_BSL)
1031 {
1032 long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1033
1034 /* There is a busy wait here when typing "f<C-\>" and then
1035 * something different from CTRL-N. Can't be avoided. */
1036 while ((c = vpeekc()) <= 0 && towait > 0L)
1037 {
1038 do_sleep(towait > 50L ? 50L : towait);
1039 towait -= 50L;
1040 }
1041 if (c > 0)
1042 {
1043 c = safe_vgetc();
1044 if (c != Ctrl_N && c != Ctrl_G)
1045 vungetc(c);
1046 else
1047 {
1048 ca.cmdchar = Ctrl_BSL;
1049 ca.nchar = c;
1050 idx = find_command(ca.cmdchar);
1051 }
1052 }
1053 }
1054
1055 #ifdef FEAT_MBYTE
1056 /* When getting a text character and the next character is a
1057 * multi-byte character, it could be a composing character.
1058 * However, don't wait for it to arrive. */
1059 while (enc_utf8 && lang && (c = vpeekc()) > 0
1060 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1061 {
1062 c = safe_vgetc();
1063 if (!utf_iscomposing(c))
1064 {
1065 vungetc(c); /* it wasn't, put it back */
1066 break;
1067 }
1068 else if (ca.ncharC1 == 0)
1069 ca.ncharC1 = c;
1070 else
1071 ca.ncharC2 = c;
1072 }
1073 #endif
1074 }
1075 --no_mapping;
1076 --allow_keys;
1077 }
1078
1079 #ifdef FEAT_CMDL_INFO
1080 /*
1081 * Flush the showcmd characters onto the screen so we can see them while
1082 * the command is being executed. Only do this when the shown command was
1083 * actually displayed, otherwise this will slow down a lot when executing
1084 * mappings.
1085 */
1086 if (need_flushbuf)
1087 out_flush();
1088 #endif
1089 #ifdef FEAT_AUTOCMD
1090 did_cursorhold = FALSE;
1091 #endif
1092
1093 State = NORMAL;
1094
1095 if (ca.nchar == ESC)
1096 {
1097 clearop(oap);
1098 if (restart_edit == 0 && goto_im())
1099 restart_edit = 'a';
1100 goto normal_end;
1101 }
1102
1103 if (ca.cmdchar != K_IGNORE)
1104 {
1105 msg_didout = FALSE; /* don't scroll screen up for normal command */
1106 msg_col = 0;
1107 }
1108
1109 #ifdef FEAT_VISUAL
1110 old_pos = curwin->w_cursor; /* remember where cursor was */
1111
1112 /* When 'keymodel' contains "startsel" some keys start Select/Visual
1113 * mode. */
1114 if (!VIsual_active && km_startsel)
1115 {
1116 if (nv_cmds[idx].cmd_flags & NV_SS)
1117 {
1118 start_selection();
1119 unshift_special(&ca);
1120 idx = find_command(ca.cmdchar);
1121 }
1122 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1123 && (mod_mask & MOD_MASK_SHIFT))
1124 {
1125 start_selection();
1126 mod_mask &= ~MOD_MASK_SHIFT;
1127 }
1128 }
1129 #endif
1130
1131 /*
1132 * Execute the command!
1133 * Call the command function found in the commands table.
1134 */
1135 ca.arg = nv_cmds[idx].cmd_arg;
1136 (nv_cmds[idx].cmd_func)(&ca);
1137
1138 /*
1139 * If we didn't start or finish an operator, reset oap->regname, unless we
1140 * need it later.
1141 */
1142 if (!finish_op
1143 && !oap->op_type
1144 && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1145 {
1146 clearop(oap);
1147 #ifdef FEAT_EVAL
1148 set_reg_var('"');
1149 #endif
1150 }
1151
1152 #ifdef FEAT_VISUAL
1153 /* Get the length of mapped chars again after typing a count, second
1154 * character or "z333<cr>". */
1155 if (old_mapped_len > 0)
1156 old_mapped_len = typebuf_maplen();
1157 #endif
1158
1159 /*
1160 * If an operation is pending, handle it...
1161 */
1162 do_pending_operator(&ca, old_col, FALSE);
1163
1164 /*
1165 * Wait for a moment when a message is displayed that will be overwritten
1166 * by the mode message.
1167 * In Visual mode and with "^O" in Insert mode, a short message will be
1168 * overwritten by the mode message. Wait a bit, until a key is hit.
1169 * In Visual mode, it's more important to keep the Visual area updated
1170 * than keeping a message (e.g. from a /pat search).
1171 * Only do this if the command was typed, not from a mapping.
1172 * Don't wait when emsg_silent is non-zero.
1173 * Also wait a bit after an error message, e.g. for "^O:".
1174 * Don't redraw the screen, it would remove the message.
1175 */
1176 if ( ((p_smd
1177 && msg_silent == 0
1178 && (restart_edit != 0
1179 #ifdef FEAT_VISUAL
1180 || (VIsual_active
1181 && old_pos.lnum == curwin->w_cursor.lnum
1182 && old_pos.col == curwin->w_cursor.col)
1183 #endif
1184 )
1185 && (clear_cmdline
1186 || redraw_cmdline)
1187 && (msg_didout || (msg_didany && msg_scroll))
1188 && !msg_nowait
1189 && KeyTyped)
1190 || (restart_edit != 0
1191 #ifdef FEAT_VISUAL
1192 && !VIsual_active
1193 #endif
1194 && (msg_scroll
1195 || emsg_on_display)))
1196 && oap->regname == 0
1197 && !(ca.retval & CA_COMMAND_BUSY)
1198 && stuff_empty()
1199 && typebuf_typed()
1200 && emsg_silent == 0
1201 && !did_wait_return
1202 && oap->op_type == OP_NOP)
1203 {
1204 int save_State = State;
1205
1206 /* Draw the cursor with the right shape here */
1207 if (restart_edit != 0)
1208 State = INSERT;
1209
1210 /* If need to redraw, and there is a "keep_msg", redraw before the
1211 * delay */
1212 if (must_redraw && keep_msg != NULL && !emsg_on_display)
1213 {
1214 char_u *kmsg;
1215
1216 kmsg = keep_msg;
1217 keep_msg = NULL;
1218 /* showmode() will clear keep_msg, but we want to use it anyway */
1219 update_screen(0);
1220 /* now reset it, otherwise it's put in the history again */
1221 keep_msg = kmsg;
1222 msg_attr(kmsg, keep_msg_attr);
1223 vim_free(kmsg);
1224 }
1225 setcursor();
1226 cursor_on();
1227 out_flush();
1228 if (msg_scroll || emsg_on_display)
1229 ui_delay(1000L, TRUE); /* wait at least one second */
1230 ui_delay(3000L, FALSE); /* wait up to three seconds */
1231 State = save_State;
1232
1233 msg_scroll = FALSE;
1234 emsg_on_display = FALSE;
1235 }
1236
1237 /*
1238 * Finish up after executing a Normal mode command.
1239 */
1240 normal_end:
1241
1242 msg_nowait = FALSE;
1243
1244 /* Reset finish_op, in case it was set */
1245 #ifdef CURSOR_SHAPE
1246 c = finish_op;
1247 #endif
1248 finish_op = FALSE;
1249 #ifdef CURSOR_SHAPE
1250 /* Redraw the cursor with another shape, if we were in Operator-pending
1251 * mode or did a replace command. */
1252 if (c || ca.cmdchar == 'r')
1253 {
1254 ui_cursor_shape(); /* may show different cursor shape */
1255 # ifdef FEAT_MOUSESHAPE
1256 update_mouseshape(-1);
1257 # endif
1258 }
1259 #endif
1260
1261 #ifdef FEAT_CMDL_INFO
1262 if (oap->op_type == OP_NOP && oap->regname == 0)
1263 clear_showcmd();
1264 #endif
1265
1266 checkpcmark(); /* check if we moved since setting pcmark */
1267 vim_free(ca.searchbuf);
1268
1269 #ifdef FEAT_MBYTE
1270 if (has_mbyte)
1271 mb_adjust_cursor();
1272 #endif
1273
1274 #ifdef FEAT_SCROLLBIND
1275 if (curwin->w_p_scb && toplevel)
1276 {
1277 validate_cursor(); /* may need to update w_leftcol */
1278 do_check_scrollbind(TRUE);
1279 }
1280 #endif
1281
1282 /*
1283 * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1284 * if still inside a mapping that started in Visual mode).
1285 * May switch from Visual to Select mode after CTRL-O command.
1286 */
1287 if ( oap->op_type == OP_NOP
1288 #ifdef FEAT_VISUAL
1289 && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1290 || restart_VIsual_select == 1)
1291 #else
1292 && restart_edit != 0
1293 #endif
1294 && !(ca.retval & CA_COMMAND_BUSY)
1295 && stuff_empty()
1296 && oap->regname == 0)
1297 {
1298 #ifdef FEAT_VISUAL
1299 if (restart_VIsual_select == 1)
1300 {
1301 VIsual_select = TRUE;
1302 showmode();
1303 restart_VIsual_select = 0;
1304 }
1305 #endif
1306 if (restart_edit != 0
1307 #ifdef FEAT_VISUAL
1308 && !VIsual_active && old_mapped_len == 0
1309 #endif
1310 )
1311 (void)edit(restart_edit, FALSE, 1L);
1312 }
1313
1314 #ifdef FEAT_VISUAL
1315 if (restart_VIsual_select == 2)
1316 restart_VIsual_select = 1;
1317 #endif
1318
1319 /* Save count before an operator for next time. */
1320 opcount = ca.opcount;
1321 }
1322
1323 /*
1324 * Handle an operator after visual mode or when the movement is finished
1325 */
1326 void
1327 do_pending_operator(cap, old_col, gui_yank)
1328 cmdarg_T *cap;
1329 int old_col;
1330 int gui_yank;
1331 {
1332 oparg_T *oap = cap->oap;
1333 pos_T old_cursor;
1334 int empty_region_error;
1335 int restart_edit_save;
1336
1337 #ifdef FEAT_VISUAL
1338 /* The visual area is remembered for redo */
1339 static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1340 static linenr_T redo_VIsual_line_count; /* number of lines */
1341 static colnr_T redo_VIsual_col; /* number of cols or end column */
1342 static long redo_VIsual_count; /* count for Visual operator */
1343 # ifdef FEAT_VIRTUALEDIT
1344 int include_line_break = FALSE;
1345 # endif
1346 #endif
1347
1348 #if defined(FEAT_CLIPBOARD)
1349 /*
1350 * Yank the visual area into the GUI selection register before we operate
1351 * on it and lose it forever.
1352 * Don't do it if a specific register was specified, so that ""x"*P works.
1353 * This could call do_pending_operator() recursively, but that's OK
1354 * because gui_yank will be TRUE for the nested call.
1355 */
1356 if (clip_star.available
1357 && oap->op_type != OP_NOP
1358 && !gui_yank
1359 # ifdef FEAT_VISUAL
1360 && VIsual_active
1361 && !redo_VIsual_busy
1362 # endif
1363 && oap->regname == 0)
1364 clip_auto_select();
1365 #endif
1366 old_cursor = curwin->w_cursor;
1367
1368 /*
1369 * If an operation is pending, handle it...
1370 */
1371 if ((finish_op
1372 #ifdef FEAT_VISUAL
1373 || VIsual_active
1374 #endif
1375 ) && oap->op_type != OP_NOP)
1376 {
1377 #ifdef FEAT_VISUAL
1378 oap->is_VIsual = VIsual_active;
1379 if (oap->motion_force == 'V')
1380 oap->motion_type = MLINE;
1381 else if (oap->motion_force == 'v')
1382 {
1383 /* If the motion was linewise, "inclusive" will not have been set.
1384 * Use "exclusive" to be consistent. Makes "dvj" work nice. */
1385 if (oap->motion_type == MLINE)
1386 oap->inclusive = FALSE;
1387 /* If the motion already was characterwise, toggle "inclusive" */
1388 else if (oap->motion_type == MCHAR)
1389 oap->inclusive = !oap->inclusive;
1390 oap->motion_type = MCHAR;
1391 }
1392 else if (oap->motion_force == Ctrl_V)
1393 {
1394 /* Change line- or characterwise motion into Visual block mode. */
1395 VIsual_active = TRUE;
1396 VIsual = oap->start;
1397 VIsual_mode = Ctrl_V;
1398 VIsual_select = FALSE;
1399 VIsual_reselect = FALSE;
1400 }
1401 #endif
1402
1403 /* only redo yank when 'y' flag is in 'cpoptions' */
1404 /* never redo "zf" (define fold) */
1405 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1406 #ifdef FEAT_VISUAL
1407 && (!VIsual_active || oap->motion_force)
1408 #endif
1409 && cap->cmdchar != 'D'
1410 #ifdef FEAT_FOLDING
1411 && oap->op_type != OP_FOLD
1412 && oap->op_type != OP_FOLDOPEN
1413 && oap->op_type != OP_FOLDOPENREC
1414 && oap->op_type != OP_FOLDCLOSE
1415 && oap->op_type != OP_FOLDCLOSEREC
1416 && oap->op_type != OP_FOLDDEL
1417 && oap->op_type != OP_FOLDDELREC
1418 #endif
1419 )
1420 {
1421 prep_redo(oap->regname, cap->count0,
1422 get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1423 oap->motion_force, cap->cmdchar, cap->nchar);
1424 if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1425 {
1426 /*
1427 * If 'cpoptions' does not contain 'r', insert the search
1428 * pattern to really repeat the same command.
1429 */
1430 if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1431 AppendToRedobuffLit(cap->searchbuf, -1);
1432 AppendToRedobuff(NL_STR);
1433 }
1434 else if (cap->cmdchar == ':')
1435 {
1436 /* do_cmdline() has stored the first typed line in
1437 * "repeat_cmdline". When several lines are typed repeating
1438 * won't be possible. */
1439 if (repeat_cmdline == NULL)
1440 ResetRedobuff();
1441 else
1442 {
1443 AppendToRedobuffLit(repeat_cmdline, -1);
1444 AppendToRedobuff(NL_STR);
1445 vim_free(repeat_cmdline);
1446 repeat_cmdline = NULL;
1447 }
1448 }
1449 }
1450
1451 #ifdef FEAT_VISUAL
1452 if (redo_VIsual_busy)
1453 {
1454 oap->start = curwin->w_cursor;
1455 curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1456 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1457 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1458 VIsual_mode = redo_VIsual_mode;
1459 if (VIsual_mode == 'v')
1460 {
1461 if (redo_VIsual_line_count <= 1)
1462 curwin->w_cursor.col += redo_VIsual_col - 1;
1463 else
1464 curwin->w_cursor.col = redo_VIsual_col;
1465 }
1466 if (redo_VIsual_col == MAXCOL)
1467 {
1468 curwin->w_curswant = MAXCOL;
1469 coladvance((colnr_T)MAXCOL);
1470 }
1471 cap->count0 = redo_VIsual_count;
1472 if (redo_VIsual_count != 0)
1473 cap->count1 = redo_VIsual_count;
1474 else
1475 cap->count1 = 1;
1476 }
1477 else if (VIsual_active)
1478 {
1479 if (!gui_yank)
1480 {
1481 /* Save the current VIsual area for '< and '> marks, and "gv" */
1482 curbuf->b_visual.vi_start = VIsual;
1483 curbuf->b_visual.vi_end = curwin->w_cursor;
1484 curbuf->b_visual.vi_mode = VIsual_mode;
1485 curbuf->b_visual.vi_curswant = curwin->w_curswant;
1486 # ifdef FEAT_EVAL
1487 curbuf->b_visual_mode_eval = VIsual_mode;
1488 # endif
1489 }
1490
1491 /* In Select mode, a linewise selection is operated upon like a
1492 * characterwise selection. */
1493 if (VIsual_select && VIsual_mode == 'V')
1494 {
1495 if (lt(VIsual, curwin->w_cursor))
1496 {
1497 VIsual.col = 0;
1498 curwin->w_cursor.col =
1499 (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1500 }
1501 else
1502 {
1503 curwin->w_cursor.col = 0;
1504 VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1505 }
1506 VIsual_mode = 'v';
1507 }
1508 /* If 'selection' is "exclusive", backup one character for
1509 * charwise selections. */
1510 else if (VIsual_mode == 'v')
1511 {
1512 # ifdef FEAT_VIRTUALEDIT
1513 include_line_break =
1514 # endif
1515 unadjust_for_sel();
1516 }
1517
1518 oap->start = VIsual;
1519 if (VIsual_mode == 'V')
1520 oap->start.col = 0;
1521 }
1522 #endif /* FEAT_VISUAL */
1523
1524 /*
1525 * Set oap->start to the first position of the operated text, oap->end
1526 * to the end of the operated text. w_cursor is equal to oap->start.
1527 */
1528 if (lt(oap->start, curwin->w_cursor))
1529 {
1530 #ifdef FEAT_FOLDING
1531 /* Include folded lines completely. */
1532 if (!VIsual_active)
1533 {
1534 if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1535 oap->start.col = 0;
1536 if (hasFolding(curwin->w_cursor.lnum, NULL,
1537 &curwin->w_cursor.lnum))
1538 curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1539 }
1540 #endif
1541 oap->end = curwin->w_cursor;
1542 curwin->w_cursor = oap->start;
1543
1544 /* w_virtcol may have been updated; if the cursor goes back to its
1545 * previous position w_virtcol becomes invalid and isn't updated
1546 * automatically. */
1547 curwin->w_valid &= ~VALID_VIRTCOL;
1548 }
1549 else
1550 {
1551 #ifdef FEAT_FOLDING
1552 /* Include folded lines completely. */
1553 if (!VIsual_active && oap->motion_type == MLINE)
1554 {
1555 if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1556 NULL))
1557 curwin->w_cursor.col = 0;
1558 if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1559 oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1560 }
1561 #endif
1562 oap->end = oap->start;
1563 oap->start = curwin->w_cursor;
1564 }
1565
1566 oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1567
1568 #ifdef FEAT_VIRTUALEDIT
1569 /* Set "virtual_op" before resetting VIsual_active. */
1570 virtual_op = virtual_active();
1571 #endif
1572
1573 #ifdef FEAT_VISUAL
1574 if (VIsual_active || redo_VIsual_busy)
1575 {
1576 if (VIsual_mode == Ctrl_V) /* block mode */
1577 {
1578 colnr_T start, end;
1579
1580 oap->block_mode = TRUE;
1581
1582 getvvcol(curwin, &(oap->start),
1583 &oap->start_vcol, NULL, &oap->end_vcol);
1584 if (!redo_VIsual_busy)
1585 {
1586 getvvcol(curwin, &(oap->end), &start, NULL, &end);
1587
1588 if (start < oap->start_vcol)
1589 oap->start_vcol = start;
1590 if (end > oap->end_vcol)
1591 {
1592 if (*p_sel == 'e' && start >= 1
1593 && start - 1 >= oap->end_vcol)
1594 oap->end_vcol = start - 1;
1595 else
1596 oap->end_vcol = end;
1597 }
1598 }
1599
1600 /* if '$' was used, get oap->end_vcol from longest line */
1601 if (curwin->w_curswant == MAXCOL)
1602 {
1603 curwin->w_cursor.col = MAXCOL;
1604 oap->end_vcol = 0;
1605 for (curwin->w_cursor.lnum = oap->start.lnum;
1606 curwin->w_cursor.lnum <= oap->end.lnum;
1607 ++curwin->w_cursor.lnum)
1608 {
1609 getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1610 if (end > oap->end_vcol)
1611 oap->end_vcol = end;
1612 }
1613 }
1614 else if (redo_VIsual_busy)
1615 oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1616 /*
1617 * Correct oap->end.col and oap->start.col to be the
1618 * upper-left and lower-right corner of the block area.
1619 *
1620 * (Actually, this does convert column positions into character
1621 * positions)
1622 */
1623 curwin->w_cursor.lnum = oap->end.lnum;
1624 coladvance(oap->end_vcol);
1625 oap->end = curwin->w_cursor;
1626
1627 curwin->w_cursor = oap->start;
1628 coladvance(oap->start_vcol);
1629 oap->start = curwin->w_cursor;
1630 }
1631
1632 if (!redo_VIsual_busy && !gui_yank)
1633 {
1634 /*
1635 * Prepare to reselect and redo Visual: this is based on the
1636 * size of the Visual text
1637 */
1638 resel_VIsual_mode = VIsual_mode;
1639 if (curwin->w_curswant == MAXCOL)
1640 resel_VIsual_col = MAXCOL;
1641 else if (VIsual_mode == Ctrl_V)
1642 resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1643 else if (oap->line_count > 1)
1644 resel_VIsual_col = oap->end.col;
1645 else
1646 resel_VIsual_col = oap->end.col - oap->start.col + 1;
1647 resel_VIsual_line_count = oap->line_count;
1648 }
1649
1650 /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1651 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1652 && oap->op_type != OP_COLON
1653 #ifdef FEAT_FOLDING
1654 && oap->op_type != OP_FOLD
1655 && oap->op_type != OP_FOLDOPEN
1656 && oap->op_type != OP_FOLDOPENREC
1657 && oap->op_type != OP_FOLDCLOSE
1658 && oap->op_type != OP_FOLDCLOSEREC
1659 && oap->op_type != OP_FOLDDEL
1660 && oap->op_type != OP_FOLDDELREC
1661 #endif
1662 && oap->motion_force == NUL
1663 )
1664 {
1665 /* Prepare for redoing. Only use the nchar field for "r",
1666 * otherwise it might be the second char of the operator. */
1667 prep_redo(oap->regname, 0L, NUL, 'v',
1668 get_op_char(oap->op_type),
1669 get_extra_op_char(oap->op_type),
1670 oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1671 if (!redo_VIsual_busy)
1672 {
1673 redo_VIsual_mode = resel_VIsual_mode;
1674 redo_VIsual_col = resel_VIsual_col;
1675 redo_VIsual_line_count = resel_VIsual_line_count;
1676 redo_VIsual_count = cap->count0;
1677 }
1678 }
1679
1680 /*
1681 * oap->inclusive defaults to TRUE.
1682 * If oap->end is on a NUL (empty line) oap->inclusive becomes
1683 * FALSE. This makes "d}P" and "v}dP" work the same.
1684 */
1685 if (oap->motion_force == NUL || oap->motion_type == MLINE)
1686 oap->inclusive = TRUE;
1687 if (VIsual_mode == 'V')
1688 oap->motion_type = MLINE;
1689 else
1690 {
1691 oap->motion_type = MCHAR;
1692 if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1693 # ifdef FEAT_VIRTUALEDIT
1694 && (include_line_break || !virtual_op)
1695 # endif
1696 )
1697 {
1698 oap->inclusive = FALSE;
1699 /* Try to include the newline, unless it's an operator
1700 * that works on lines only */
1701 if (*p_sel != 'o'
1702 && !op_on_lines(oap->op_type)
1703 && oap->end.lnum < curbuf->b_ml.ml_line_count)
1704 {
1705 ++oap->end.lnum;
1706 oap->end.col = 0;
1707 # ifdef FEAT_VIRTUALEDIT
1708 oap->end.coladd = 0;
1709 # endif
1710 ++oap->line_count;
1711 }
1712 }
1713 }
1714
1715 redo_VIsual_busy = FALSE;
1716
1717 /*
1718 * Switch Visual off now, so screen updating does
1719 * not show inverted text when the screen is redrawn.
1720 * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1721 * no screen redraw, so it is done here to remove the inverted
1722 * part.
1723 */
1724 if (!gui_yank)
1725 {
1726 VIsual_active = FALSE;
1727 # ifdef FEAT_MOUSE
1728 setmouse();
1729 mouse_dragging = 0;
1730 # endif
1731 if (mode_displayed)
1732 clear_cmdline = TRUE; /* unshow visual mode later */
1733 #ifdef FEAT_CMDL_INFO
1734 else
1735 clear_showcmd();
1736 #endif
1737 if ((oap->op_type == OP_YANK
1738 || oap->op_type == OP_COLON
1739 || oap->op_type == OP_FUNCTION
1740 || oap->op_type == OP_FILTER)
1741 && oap->motion_force == NUL)
1742 redraw_curbuf_later(INVERTED);
1743 }
1744 }
1745 #endif
1746
1747 #ifdef FEAT_MBYTE
1748 /* Include the trailing byte of a multi-byte char. */
1749 if (has_mbyte && oap->inclusive)
1750 {
1751 int l;
1752
1753 l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1754 if (l > 1)
1755 oap->end.col += l - 1;
1756 }
1757 #endif
1758 curwin->w_set_curswant = TRUE;
1759
1760 /*
1761 * oap->empty is set when start and end are the same. The inclusive
1762 * flag affects this too, unless yanking and the end is on a NUL.
1763 */
1764 oap->empty = (oap->motion_type == MCHAR
1765 && (!oap->inclusive
1766 || (oap->op_type == OP_YANK
1767 && gchar_pos(&oap->end) == NUL))
1768 && equalpos(oap->start, oap->end)
1769 #ifdef FEAT_VIRTUALEDIT
1770 && !(virtual_op && oap->start.coladd != oap->end.coladd)
1771 #endif
1772 );
1773 /*
1774 * For delete, change and yank, it's an error to operate on an
1775 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1776 */
1777 empty_region_error = (oap->empty
1778 && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1779
1780 #ifdef FEAT_VISUAL
1781 /* Force a redraw when operating on an empty Visual region, when
1782 * 'modifiable is off or creating a fold. */
1783 if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1784 # ifdef FEAT_FOLDING
1785 || oap->op_type == OP_FOLD
1786 # endif
1787 ))
1788 redraw_curbuf_later(INVERTED);
1789 #endif
1790
1791 /*
1792 * If the end of an operator is in column one while oap->motion_type
1793 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1794 * character in the previous line. If op_start is on or before the
1795 * first non-blank in the line, the operator becomes linewise
1796 * (strange, but that's the way vi does it).
1797 */
1798 if ( oap->motion_type == MCHAR
1799 && oap->inclusive == FALSE
1800 && !(cap->retval & CA_NO_ADJ_OP_END)
1801 && oap->end.col == 0
1802 #ifdef FEAT_VISUAL
1803 && (!oap->is_VIsual || *p_sel == 'o')
1804 && !oap->block_mode
1805 #endif
1806 && oap->line_count > 1)
1807 {
1808 oap->end_adjusted = TRUE; /* remember that we did this */
1809 --oap->line_count;
1810 --oap->end.lnum;
1811 if (inindent(0))
1812 oap->motion_type = MLINE;
1813 else
1814 {
1815 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1816 if (oap->end.col)
1817 {
1818 --oap->end.col;
1819 oap->inclusive = TRUE;
1820 }
1821 }
1822 }
1823 else
1824 oap->end_adjusted = FALSE;
1825
1826 switch (oap->op_type)
1827 {
1828 case OP_LSHIFT:
1829 case OP_RSHIFT:
1830 op_shift(oap, TRUE,
1831 #ifdef FEAT_VISUAL
1832 oap->is_VIsual ? (int)cap->count1 :
1833 #endif
1834 1);
1835 auto_format(FALSE, TRUE);
1836 break;
1837
1838 case OP_JOIN_NS:
1839 case OP_JOIN:
1840 if (oap->line_count < 2)
1841 oap->line_count = 2;
1842 if (curwin->w_cursor.lnum + oap->line_count - 1 >
1843 curbuf->b_ml.ml_line_count)
1844 beep_flush();
1845 else
1846 {
1847 do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1848 auto_format(FALSE, TRUE);
1849 }
1850 break;
1851
1852 case OP_DELETE:
1853 #ifdef FEAT_VISUAL
1854 VIsual_reselect = FALSE; /* don't reselect now */
1855 #endif
1856 if (empty_region_error)
1857 vim_beep();
1858 else
1859 {
1860 (void)op_delete(oap);
1861 if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1862 u_save_cursor(); /* cursor line wasn't saved yet */
1863 auto_format(FALSE, TRUE);
1864 }
1865 break;
1866
1867 case OP_YANK:
1868 if (empty_region_error)
1869 {
1870 if (!gui_yank)
1871 vim_beep();
1872 }
1873 else
1874 (void)op_yank(oap, FALSE, !gui_yank);
1875 check_cursor_col();
1876 break;
1877
1878 case OP_CHANGE:
1879 #ifdef FEAT_VISUAL
1880 VIsual_reselect = FALSE; /* don't reselect now */
1881 #endif
1882 if (empty_region_error)
1883 vim_beep();
1884 else
1885 {
1886 /* This is a new edit command, not a restart. Need to
1887 * remember it to make 'insertmode' work with mappings for
1888 * Visual mode. But do this only once and not when typed and
1889 * 'insertmode' isn't set. */
1890 if (p_im || !KeyTyped)
1891 restart_edit_save = restart_edit;
1892 else
1893 restart_edit_save = 0;
1894 restart_edit = 0;
1895 /* Reset finish_op now, don't want it set inside edit(). */
1896 finish_op = FALSE;
1897 if (op_change(oap)) /* will call edit() */
1898 cap->retval |= CA_COMMAND_BUSY;
1899 if (restart_edit == 0)
1900 restart_edit = restart_edit_save;
1901 }
1902 break;
1903
1904 case OP_FILTER:
1905 if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1906 AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
1907 else
1908 bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
1909
1910 case OP_INDENT:
1911 case OP_COLON:
1912
1913 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1914 /*
1915 * If 'equalprg' is empty, do the indenting internally.
1916 */
1917 if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1918 {
1919 # ifdef FEAT_LISP
1920 if (curbuf->b_p_lisp)
1921 {
1922 op_reindent(oap, get_lisp_indent);
1923 break;
1924 }
1925 # endif
1926 # ifdef FEAT_CINDENT
1927 op_reindent(oap,
1928 # ifdef FEAT_EVAL
1929 *curbuf->b_p_inde != NUL ? get_expr_indent :
1930 # endif
1931 get_c_indent);
1932 break;
1933 # endif
1934 }
1935 #endif
1936
1937 op_colon(oap);
1938 break;
1939
1940 case OP_TILDE:
1941 case OP_UPPER:
1942 case OP_LOWER:
1943 case OP_ROT13:
1944 if (empty_region_error)
1945 vim_beep();
1946 else
1947 op_tilde(oap);
1948 check_cursor_col();
1949 break;
1950
1951 case OP_FORMAT:
1952 #if defined(FEAT_EVAL)
1953 if (*curbuf->b_p_fex != NUL)
1954 op_formatexpr(oap); /* use expression */
1955 else
1956 #endif
1957 if (*p_fp != NUL)
1958 op_colon(oap); /* use external command */
1959 else
1960 op_format(oap, FALSE); /* use internal function */
1961 break;
1962
1963 case OP_FORMAT2:
1964 op_format(oap, TRUE); /* use internal function */
1965 break;
1966
1967 case OP_FUNCTION:
1968 op_function(oap); /* call 'operatorfunc' */
1969 break;
1970
1971 case OP_INSERT:
1972 case OP_APPEND:
1973 #ifdef FEAT_VISUAL
1974 VIsual_reselect = FALSE; /* don't reselect now */
1975 #endif
1976 #ifdef FEAT_VISUALEXTRA
1977 if (empty_region_error)
1978 vim_beep();
1979 else
1980 {
1981 /* This is a new edit command, not a restart. Need to
1982 * remember it to make 'insertmode' work with mappings for
1983 * Visual mode. But do this only once. */
1984 restart_edit_save = restart_edit;
1985 restart_edit = 0;
1986
1987 op_insert(oap, cap->count1);
1988
1989 /* TODO: when inserting in several lines, should format all
1990 * the lines. */
1991 auto_format(FALSE, TRUE);
1992
1993 if (restart_edit == 0)
1994 restart_edit = restart_edit_save;
1995 }
1996 #else
1997 vim_beep();
1998 #endif
1999 break;
2000
2001 case OP_REPLACE:
2002 #ifdef FEAT_VISUAL
2003 VIsual_reselect = FALSE; /* don't reselect now */
2004 #endif
2005 #ifdef FEAT_VISUALEXTRA
2006 if (empty_region_error)
2007 #endif
2008 vim_beep();
2009 #ifdef FEAT_VISUALEXTRA
2010 else
2011 op_replace(oap, cap->nchar);
2012 #endif
2013 break;
2014
2015 #ifdef FEAT_FOLDING
2016 case OP_FOLD:
2017 VIsual_reselect = FALSE; /* don't reselect now */
2018 foldCreate(oap->start.lnum, oap->end.lnum);
2019 break;
2020
2021 case OP_FOLDOPEN:
2022 case OP_FOLDOPENREC:
2023 case OP_FOLDCLOSE:
2024 case OP_FOLDCLOSEREC:
2025 VIsual_reselect = FALSE; /* don't reselect now */
2026 opFoldRange(oap->start.lnum, oap->end.lnum,
2027 oap->op_type == OP_FOLDOPEN
2028 || oap->op_type == OP_FOLDOPENREC,
2029 oap->op_type == OP_FOLDOPENREC
2030 || oap->op_type == OP_FOLDCLOSEREC,
2031 oap->is_VIsual);
2032 break;
2033
2034 case OP_FOLDDEL:
2035 case OP_FOLDDELREC:
2036 VIsual_reselect = FALSE; /* don't reselect now */
2037 deleteFold(oap->start.lnum, oap->end.lnum,
2038 oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2039 break;
2040 #endif
2041 default:
2042 clearopbeep(oap);
2043 }
2044 #ifdef FEAT_VIRTUALEDIT
2045 virtual_op = MAYBE;
2046 #endif
2047 if (!gui_yank)
2048 {
2049 /*
2050 * if 'sol' not set, go back to old column for some commands
2051 */
2052 if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2053 && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2054 || oap->op_type == OP_DELETE))
2055 coladvance(curwin->w_curswant = old_col);
2056 }
2057 else
2058 {
2059 curwin->w_cursor = old_cursor;
2060 }
2061 #ifdef FEAT_VISUAL
2062 oap->block_mode = FALSE;
2063 #endif
2064 clearop(oap);
2065 }
2066 }
2067
2068 /*
2069 * Handle indent and format operators and visual mode ":".
2070 */
2071 static void
2072 op_colon(oap)
2073 oparg_T *oap;
2074 {
2075 stuffcharReadbuff(':');
2076 #ifdef FEAT_VISUAL
2077 if (oap->is_VIsual)
2078 stuffReadbuff((char_u *)"'<,'>");
2079 else
2080 #endif
2081 {
2082 /*
2083 * Make the range look nice, so it can be repeated.
2084 */
2085 if (oap->start.lnum == curwin->w_cursor.lnum)
2086 stuffcharReadbuff('.');
2087 else
2088 stuffnumReadbuff((long)oap->start.lnum);
2089 if (oap->end.lnum != oap->start.lnum)
2090 {
2091 stuffcharReadbuff(',');
2092 if (oap->end.lnum == curwin->w_cursor.lnum)
2093 stuffcharReadbuff('.');
2094 else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2095 stuffcharReadbuff('$');
2096 else if (oap->start.lnum == curwin->w_cursor.lnum)
2097 {
2098 stuffReadbuff((char_u *)".+");
2099 stuffnumReadbuff((long)oap->line_count - 1);
2100 }
2101 else
2102 stuffnumReadbuff((long)oap->end.lnum);
2103 }
2104 }
2105 if (oap->op_type != OP_COLON)
2106 stuffReadbuff((char_u *)"!");
2107 if (oap->op_type == OP_INDENT)
2108 {
2109 #ifndef FEAT_CINDENT
2110 if (*get_equalprg() == NUL)
2111 stuffReadbuff((char_u *)"indent");
2112 else
2113 #endif
2114 stuffReadbuff(get_equalprg());
2115 stuffReadbuff((char_u *)"\n");
2116 }
2117 else if (oap->op_type == OP_FORMAT)
2118 {
2119 if (*p_fp == NUL)
2120 stuffReadbuff((char_u *)"fmt");
2121 else
2122 stuffReadbuff(p_fp);
2123 stuffReadbuff((char_u *)"\n']");
2124 }
2125
2126 /*
2127 * do_cmdline() does the rest
2128 */
2129 }
2130
2131 /*
2132 * Handle the "g@" operator: call 'operatorfunc'.
2133 */
2134 /*ARGSUSED*/
2135 static void
2136 op_function(oap)
2137 oparg_T *oap;
2138 {
2139 #ifdef FEAT_EVAL
2140 char_u *(argv[1]);
2141
2142 if (*p_opfunc == NUL)
2143 EMSG(_("E774: 'operatorfunc' is empty"));
2144 else
2145 {
2146 /* Set '[ and '] marks to text to be operated on. */
2147 curbuf->b_op_start = oap->start;
2148 curbuf->b_op_end = oap->end;
2149 if (oap->motion_type != MLINE && !oap->inclusive)
2150 /* Exclude the end position. */
2151 decl(&curbuf->b_op_end);
2152
2153 if (oap->block_mode)
2154 argv[0] = (char_u *)"block";
2155 else if (oap->motion_type == MLINE)
2156 argv[0] = (char_u *)"line";
2157 else
2158 argv[0] = (char_u *)"char";
2159 (void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2160 }
2161 #else
2162 EMSG(_("E775: Eval feature not available"));
2163 #endif
2164 }
2165
2166 #if defined(FEAT_MOUSE) || defined(PROTO)
2167 /*
2168 * Do the appropriate action for the current mouse click in the current mode.
2169 * Not used for Command-line mode.
2170 *
2171 * Normal Mode:
2172 * event modi- position visual change action
2173 * fier cursor window
2174 * left press - yes end yes
2175 * left press C yes end yes "^]" (2)
2176 * left press S yes end yes "*" (2)
2177 * left drag - yes start if moved no
2178 * left relse - yes start if moved no
2179 * middle press - yes if not active no put register
2180 * middle press - yes if active no yank and put
2181 * right press - yes start or extend yes
2182 * right press S yes no change yes "#" (2)
2183 * right drag - yes extend no
2184 * right relse - yes extend no
2185 *
2186 * Insert or Replace Mode:
2187 * event modi- position visual change action
2188 * fier cursor window
2189 * left press - yes (cannot be active) yes
2190 * left press C yes (cannot be active) yes "CTRL-O^]" (2)
2191 * left press S yes (cannot be active) yes "CTRL-O*" (2)
2192 * left drag - yes start or extend (1) no CTRL-O (1)
2193 * left relse - yes start or extend (1) no CTRL-O (1)
2194 * middle press - no (cannot be active) no put register
2195 * right press - yes start or extend yes CTRL-O
2196 * right press S yes (cannot be active) yes "CTRL-O#" (2)
2197 *
2198 * (1) only if mouse pointer moved since press
2199 * (2) only if click is in same buffer
2200 *
2201 * Return TRUE if start_arrow() should be called for edit mode.
2202 */
2203 int
2204 do_mouse(oap, c, dir, count, fixindent)
2205 oparg_T *oap; /* operator argument, can be NULL */
2206 int c; /* K_LEFTMOUSE, etc */
2207 int dir; /* Direction to 'put' if necessary */
2208 long count;
2209 int fixindent; /* PUT_FIXINDENT if fixing indent necessary */
2210 {
2211 static int do_always = FALSE; /* ignore 'mouse' setting next time */
2212 static int got_click = FALSE; /* got a click some time back */
2213
2214 int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
2215 int is_click; /* If FALSE it's a drag or release event */
2216 int is_drag; /* If TRUE it's a drag event */
2217 int jump_flags = 0; /* flags for jump_to_mouse() */
2218 pos_T start_visual;
2219 int moved; /* Has cursor moved? */
2220 int in_status_line; /* mouse in status line */
2221 #ifdef FEAT_VERTSPLIT
2222 int in_sep_line; /* mouse in vertical separator line */
2223 #endif
2224 int c1, c2;
2225 #if defined(FEAT_FOLDING)
2226 pos_T save_cursor;
2227 #endif
2228 win_T *old_curwin = curwin;
2229 #ifdef FEAT_VISUAL
2230 static pos_T orig_cursor;
2231 colnr_T leftcol, rightcol;
2232 pos_T end_visual;
2233 int diff;
2234 int old_active = VIsual_active;
2235 int old_mode = VIsual_mode;
2236 #endif
2237 int regname;
2238
2239 #if defined(FEAT_FOLDING)
2240 save_cursor = curwin->w_cursor;
2241 #endif
2242
2243 /*
2244 * When GUI is active, always recognize mouse events, otherwise:
2245 * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2246 * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2247 * - For command line and insert mode 'mouse' is checked before calling
2248 * do_mouse().
2249 */
2250 if (do_always)
2251 do_always = FALSE;
2252 else
2253 #ifdef FEAT_GUI
2254 if (!gui.in_use)
2255 #endif
2256 {
2257 #ifdef FEAT_VISUAL
2258 if (VIsual_active)
2259 {
2260 if (!mouse_has(MOUSE_VISUAL))
2261 return FALSE;
2262 }
2263 else
2264 #endif
2265 if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2266 return FALSE;
2267 }
2268
2269 which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2270
2271 #ifdef FEAT_MOUSESHAPE
2272 /* May have stopped dragging the status or separator line. The pointer is
2273 * most likely still on the status or separator line. */
2274 if (!is_drag && drag_status_line)
2275 {
2276 drag_status_line = FALSE;
2277 update_mouseshape(SHAPE_IDX_STATUS);
2278 }
2279 # ifdef FEAT_VERTSPLIT
2280 if (!is_drag && drag_sep_line)
2281 {
2282 drag_sep_line = FALSE;
2283 update_mouseshape(SHAPE_IDX_VSEP);
2284 }
2285 # endif
2286 #endif
2287
2288 /*
2289 * Ignore drag and release events if we didn't get a click.
2290 */
2291 if (is_click)
2292 got_click = TRUE;
2293 else
2294 {
2295 if (!got_click) /* didn't get click, ignore */
2296 return FALSE;
2297 if (!is_drag) /* release, reset got_click */
2298 got_click = FALSE;
2299 }
2300
2301 #ifndef FEAT_VISUAL
2302 /*
2303 * ALT is only used for starging/extending Visual mode.
2304 */
2305 if ((mod_mask & MOD_MASK_ALT))
2306 return FALSE;
2307 #endif
2308
2309 /*
2310 * CTRL right mouse button does CTRL-T
2311 */
2312 if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2313 {
2314 if (State & INSERT)
2315 stuffcharReadbuff(Ctrl_O);
2316 if (count > 1)
2317 stuffnumReadbuff(count);
2318 stuffcharReadbuff(Ctrl_T);
2319 got_click = FALSE; /* ignore drag&release now */
2320 return FALSE;
2321 }
2322
2323 /*
2324 * CTRL only works with left mouse button
2325 */
2326 if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2327 return FALSE;
2328
2329 /*
2330 * When a modifier is down, ignore drag and release events, as well as
2331 * multiple clicks and the middle mouse button.
2332 * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2333 */
2334 if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2335 | MOD_MASK_META))
2336 && (!is_click
2337 || (mod_mask & MOD_MASK_MULTI_CLICK)
2338 || which_button == MOUSE_MIDDLE)
2339 && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2340 && mouse_model_popup()
2341 && which_button == MOUSE_LEFT)
2342 && !((mod_mask & MOD_MASK_ALT)
2343 && !mouse_model_popup()
2344 && which_button == MOUSE_RIGHT)
2345 )
2346 return FALSE;
2347
2348 /*
2349 * If the button press was used as the movement command for an operator
2350 * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2351 * drag/release events.
2352 */
2353 if (!is_click && which_button == MOUSE_MIDDLE)
2354 return FALSE;
2355
2356 if (oap != NULL)
2357 regname = oap->regname;
2358 else
2359 regname = 0;
2360
2361 /*
2362 * Middle mouse button does a 'put' of the selected text
2363 */
2364 if (which_button == MOUSE_MIDDLE)
2365 {
2366 if (State == NORMAL)
2367 {
2368 /*
2369 * If an operator was pending, we don't know what the user wanted
2370 * to do. Go back to normal mode: Clear the operator and beep().
2371 */
2372 if (oap != NULL && oap->op_type != OP_NOP)
2373 {
2374 clearopbeep(oap);
2375 return FALSE;
2376 }
2377
2378 #ifdef FEAT_VISUAL
2379 /*
2380 * If visual was active, yank the highlighted text and put it
2381 * before the mouse pointer position.
2382 * In Select mode replace the highlighted text with the clipboard.
2383 */
2384 if (VIsual_active)
2385 {
2386 if (VIsual_select)
2387 {
2388 stuffcharReadbuff(Ctrl_G);
2389 stuffReadbuff((char_u *)"\"+p");
2390 }
2391 else
2392 {
2393 stuffcharReadbuff('y');
2394 stuffcharReadbuff(K_MIDDLEMOUSE);
2395 }
2396 do_always = TRUE; /* ignore 'mouse' setting next time */
2397 return FALSE;
2398 }
2399 #endif
2400 /*
2401 * The rest is below jump_to_mouse()
2402 */
2403 }
2404
2405 else if ((State & INSERT) == 0)
2406 return FALSE;
2407
2408 /*
2409 * Middle click in insert mode doesn't move the mouse, just insert the
2410 * contents of a register. '.' register is special, can't insert that
2411 * with do_put().
2412 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2413 * happens for the GUI).
2414 */
2415 if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2416 {
2417 if (regname == '.')
2418 insert_reg(regname, TRUE);
2419 else
2420 {
2421 #ifdef FEAT_CLIPBOARD
2422 if (clip_star.available && regname == 0)
2423 regname = '*';
2424 #endif
2425 if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2426 insert_reg(regname, TRUE);
2427 else
2428 {
2429 do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2430
2431 /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2432 AppendCharToRedobuff(Ctrl_R);
2433 AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2434 AppendCharToRedobuff(regname == 0 ? '"' : regname);
2435 }
2436 }
2437 return FALSE;
2438 }
2439 }
2440
2441 /* When dragging or button-up stay in the same window. */
2442 if (!is_click)
2443 jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2444
2445 start_visual.lnum = 0;
2446
2447 #ifdef FEAT_WINDOWS
2448 /* Check for clicking in the tab page line. */
2449 if (mouse_row == 0 && firstwin->w_winrow > 0)
2450 {
2451 got_click = FALSE; /* ignore mouse-up and drag events */
2452
2453 /* click in a tab selects that tab page */
2454 if (is_click
2455 # ifdef FEAT_CMDWIN
2456 && cmdwin_type == 0
2457 # endif
2458 && mouse_col < Columns)
2459 {
2460 c1 = TabPageIdxs[mouse_col];
2461 if (c1 >= 0)
2462 {
2463 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2464 {
2465 /* double click opens new page */
2466 end_visual_mode();
2467 tabpage_new();
2468 tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2469 }
2470 else
2471 {
2472 /* Go to specified tab page, or next one if not clicking
2473 * on a label. */
2474 goto_tabpage(c1);
2475
2476 /* It's like clicking on the status line of a window. */
2477 if (curwin != old_curwin)
2478 end_visual_mode();
2479 }
2480 }
2481 else if (c1 < 0)
2482 {
2483 tabpage_T *tp;
2484
2485 /* Close the current or specified tab page. */
2486 if (c1 == -999)
2487 tp = curtab;
2488 else
2489 tp = find_tabpage(-c1);
2490 if (tp == curtab)
2491 {
2492 if (first_tabpage->tp_next != NULL)
2493 tabpage_close(FALSE);
2494 }
2495 else if (tp != NULL)
2496 tabpage_close_other(tp, FALSE);
2497 }
2498 }
2499 return TRUE;
2500 }
2501 #endif
2502
2503 /*
2504 * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2505 * right button up -> pop-up menu
2506 * shift-left button -> right button
2507 * alt-left button -> alt-right button
2508 */
2509 if (mouse_model_popup())
2510 {
2511 if (which_button == MOUSE_RIGHT
2512 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2513 {
2514 /*
2515 * NOTE: Ignore right button down and drag mouse events.
2516 * Windows only shows the popup menu on the button up event.
2517 */
2518 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2519 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2520 if (!is_click)
2521 return FALSE;
2522 #endif
2523 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2524 if (is_click || is_drag)
2525 return FALSE;
2526 #endif
2527 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2528 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2529 || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2530 if (gui.in_use)
2531 {
2532 jump_flags = 0;
2533 if (STRCMP(p_mousem, "popup_setpos") == 0)
2534 {
2535 /* First set the cursor position before showing the popup
2536 * menu. */
2537 #ifdef FEAT_VISUAL
2538 if (VIsual_active)
2539 {
2540 pos_T m_pos;
2541
2542 /*
2543 * set MOUSE_MAY_STOP_VIS if we are outside the
2544 * selection or the current window (might have false
2545 * negative here)
2546 */
2547 if (mouse_row < W_WINROW(curwin)
2548 || mouse_row
2549 > (W_WINROW(curwin) + curwin->w_height))
2550 jump_flags = MOUSE_MAY_STOP_VIS;
2551 else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2552 jump_flags = MOUSE_MAY_STOP_VIS;
2553 else
2554 {
2555 if ((lt(curwin->w_cursor, VIsual)
2556 && (lt(m_pos, curwin->w_cursor)
2557 || lt(VIsual, m_pos)))
2558 || (lt(VIsual, curwin->w_cursor)
2559 && (lt(m_pos, VIsual)
2560 || lt(curwin->w_cursor, m_pos))))
2561 {
2562 jump_flags = MOUSE_MAY_STOP_VIS;
2563 }
2564 else if (VIsual_mode == Ctrl_V)
2565 {
2566 getvcols(curwin, &curwin->w_cursor, &VIsual,
2567 &leftcol, &rightcol);
2568 getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2569 if (m_pos.col < leftcol || m_pos.col > rightcol)
2570 jump_flags = MOUSE_MAY_STOP_VIS;
2571 }
2572 }
2573 }
2574 else
2575 jump_flags = MOUSE_MAY_STOP_VIS;
2576 #endif
2577 }
2578 if (jump_flags)
2579 {
2580 jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2581 update_curbuf(
2582 #ifdef FEAT_VISUAL
2583 VIsual_active ? INVERTED :
2584 #endif
2585 VALID);
2586 setcursor();
2587 out_flush(); /* Update before showing popup menu */
2588 }
2589 # ifdef FEAT_MENU
2590 gui_show_popupmenu();
2591 # endif
2592 return (jump_flags & CURSOR_MOVED) != 0;
2593 }
2594 else
2595 return FALSE;
2596 #else
2597 return FALSE;
2598 #endif
2599 }
2600 if (which_button == MOUSE_LEFT
2601 && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2602 {
2603 which_button = MOUSE_RIGHT;
2604 mod_mask &= ~MOD_MASK_SHIFT;
2605 }
2606 }
2607
2608 #ifdef FEAT_VISUAL
2609 if ((State & (NORMAL | INSERT))
2610 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2611 {
2612 if (which_button == MOUSE_LEFT)
2613 {
2614 if (is_click)
2615 {
2616 /* stop Visual mode for a left click in a window, but not when
2617 * on a status line */
2618 if (VIsual_active)
2619 jump_flags |= MOUSE_MAY_STOP_VIS;
2620 }
2621 else if (mouse_has(MOUSE_VISUAL))
2622 jump_flags |= MOUSE_MAY_VIS;
2623 }
2624 else if (which_button == MOUSE_RIGHT)
2625 {
2626 if (is_click && VIsual_active)
2627 {
2628 /*
2629 * Remember the start and end of visual before moving the
2630 * cursor.
2631 */
2632 if (lt(curwin->w_cursor, VIsual))
2633 {
2634 start_visual = curwin->w_cursor;
2635 end_visual = VIsual;
2636 }
2637 else
2638 {
2639 start_visual = VIsual;
2640 end_visual = curwin->w_cursor;
2641 }
2642 }
2643 jump_flags |= MOUSE_FOCUS;
2644 if (mouse_has(MOUSE_VISUAL))
2645 jump_flags |= MOUSE_MAY_VIS;
2646 }
2647 }
2648 #endif
2649
2650 /*
2651 * If an operator is pending, ignore all drags and releases until the
2652 * next mouse click.
2653 */
2654 if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2655 {
2656 got_click = FALSE;
2657 oap->motion_type = MCHAR;
2658 }
2659
2660 /* When releasing the button let jump_to_mouse() know. */
2661 if (!is_click && !is_drag)
2662 jump_flags |= MOUSE_RELEASED;
2663
2664 /*
2665 * JUMP!
2666 */
2667 jump_flags = jump_to_mouse(jump_flags,
2668 oap == NULL ? NULL : &(oap->inclusive), which_button);
2669 moved = (jump_flags & CURSOR_MOVED);
2670 in_status_line = (jump_flags & IN_STATUS_LINE);
2671 #ifdef FEAT_VERTSPLIT
2672 in_sep_line = (jump_flags & IN_SEP_LINE);
2673 #endif
2674
2675 #ifdef FEAT_NETBEANS_INTG
2676 if (usingNetbeans && isNetbeansBuffer(curbuf)
2677 && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2678 {
2679 int key = KEY2TERMCAP1(c);
2680
2681 if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2682 || key == (int)KE_RIGHTRELEASE)
2683 netbeans_button_release(which_button);
2684 }
2685 #endif
2686
2687 /* When jumping to another window, clear a pending operator. That's a bit
2688 * friendlier than beeping and not jumping to that window. */
2689 if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2690 clearop(oap);
2691
2692 #ifdef FEAT_FOLDING
2693 if (mod_mask == 0
2694 && !is_drag
2695 && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2696 && which_button == MOUSE_LEFT)
2697 {
2698 /* open or close a fold at this line */
2699 if (jump_flags & MOUSE_FOLD_OPEN)
2700 openFold(curwin->w_cursor.lnum, 1L);
2701 else
2702 closeFold(curwin->w_cursor.lnum, 1L);
2703 /* don't move the cursor if still in the same window */
2704 if (curwin == old_curwin)
2705 curwin->w_cursor = save_cursor;
2706 }
2707 #endif
2708
2709 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2710 if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2711 {
2712 clip_modeless(which_button, is_click, is_drag);
2713 return FALSE;
2714 }
2715 #endif
2716
2717 #ifdef FEAT_VISUAL
2718 /* Set global flag that we are extending the Visual area with mouse
2719 * dragging; temporarily minimize 'scrolloff'. */
2720 if (VIsual_active && is_drag && p_so)
2721 {
2722 /* In the very first line, allow scrolling one line */
2723 if (mouse_row == 0)
2724 mouse_dragging = 2;
2725 else
2726 mouse_dragging = 1;
2727 }
2728
2729 /* When dragging the mouse above the window, scroll down. */
2730 if (is_drag && mouse_row < 0 && !in_status_line)
2731 {
2732 scroll_redraw(FALSE, 1L);
2733 mouse_row = 0;
2734 }
2735
2736 if (start_visual.lnum) /* right click in visual mode */
2737 {
2738 /* When ALT is pressed make Visual mode blockwise. */
2739 if (mod_mask & MOD_MASK_ALT)
2740 VIsual_mode = Ctrl_V;
2741
2742 /*
2743 * In Visual-block mode, divide the area in four, pick up the corner
2744 * that is in the quarter that the cursor is in.
2745 */
2746 if (VIsual_mode == Ctrl_V)
2747 {
2748 getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2749 if (curwin->w_curswant > (leftcol + rightcol) / 2)
2750 end_visual.col = leftcol;
2751 else
2752 end_visual.col = rightcol;
2753 if (curwin->w_cursor.lnum <
2754 (start_visual.lnum + end_visual.lnum) / 2)
2755 end_visual.lnum = end_visual.lnum;
2756 else
2757 end_visual.lnum = start_visual.lnum;
2758
2759 /* move VIsual to the right column */
2760 start_visual = curwin->w_cursor; /* save the cursor pos */
2761 curwin->w_cursor = end_visual;
2762 coladvance(end_visual.col);
2763 VIsual = curwin->w_cursor;
2764 curwin->w_cursor = start_visual; /* restore the cursor */
2765 }
2766 else
2767 {
2768 /*
2769 * If the click is before the start of visual, change the start.
2770 * If the click is after the end of visual, change the end. If
2771 * the click is inside the visual, change the closest side.
2772 */
2773 if (lt(curwin->w_cursor, start_visual))
2774 VIsual = end_visual;
2775 else if (lt(end_visual, curwin->w_cursor))
2776 VIsual = start_visual;
2777 else
2778 {
2779 /* In the same line, compare column number */
2780 if (end_visual.lnum == start_visual.lnum)
2781 {
2782 if (curwin->w_cursor.col - start_visual.col >
2783 end_visual.col - curwin->w_cursor.col)
2784 VIsual = start_visual;
2785 else
2786 VIsual = end_visual;
2787 }
2788
2789 /* In different lines, compare line number */
2790 else
2791 {
2792 diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2793 (end_visual.lnum - curwin->w_cursor.lnum);
2794
2795 if (diff > 0) /* closest to end */
2796 VIsual = start_visual;
2797 else if (diff < 0) /* closest to start */
2798 VIsual = end_visual;
2799 else /* in the middle line */
2800 {
2801 if (curwin->w_cursor.col <
2802 (start_visual.col + end_visual.col) / 2)
2803 VIsual = end_visual;
2804 else
2805 VIsual = start_visual;
2806 }
2807 }
2808 }
2809 }
2810 }
2811 /*
2812 * If Visual mode started in insert mode, execute "CTRL-O"
2813 */
2814 else if ((State & INSERT) && VIsual_active)
2815 stuffcharReadbuff(Ctrl_O);
2816 #endif
2817
2818 /*
2819 * Middle mouse click: Put text before cursor.
2820 */
2821 if (which_button == MOUSE_MIDDLE)
2822 {
2823 #ifdef FEAT_CLIPBOARD
2824 if (clip_star.available && regname == 0)
2825 regname = '*';
2826 #endif
2827 if (yank_register_mline(regname))
2828 {
2829 if (mouse_past_bottom)
2830 dir = FORWARD;
2831 }
2832 else if (mouse_past_eol)
2833 dir = FORWARD;
2834
2835 if (fixindent)
2836 {
2837 c1 = (dir == BACKWARD) ? '[' : ']';
2838 c2 = 'p';
2839 }
2840 else
2841 {
2842 c1 = (dir == FORWARD) ? 'p' : 'P';
2843 c2 = NUL;
2844 }
2845 prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2846
2847 /*
2848 * Remember where the paste started, so in edit() Insstart can be set
2849 * to this position
2850 */
2851 if (restart_edit != 0)
2852 where_paste_started = curwin->w_cursor;
2853 do_put(regname, dir, count, fixindent | PUT_CURSEND);
2854 }
2855
2856 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2857 /*
2858 * Ctrl-Mouse click or double click in a quickfix window jumps to the
2859 * error under the mouse pointer.
2860 */
2861 else if (((mod_mask & MOD_MASK_CTRL)
2862 || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2863 && bt_quickfix(curbuf))
2864 {
2865 if (State & INSERT)
2866 stuffcharReadbuff(Ctrl_O);
2867 if (curwin->w_llist_ref == NULL) /* quickfix window */
2868 stuffReadbuff((char_u *)":.cc\n");
2869 else /* location list window */
2870 stuffReadbuff((char_u *)":.ll\n");
2871 got_click = FALSE; /* ignore drag&release now */
2872 }
2873 #endif
2874
2875 /*
2876 * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2877 * under the mouse pointer.
2878 */
2879 else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2880 && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2881 {
2882 if (State & INSERT)
2883 stuffcharReadbuff(Ctrl_O);
2884 stuffcharReadbuff(Ctrl_RSB);
2885 got_click = FALSE; /* ignore drag&release now */
2886 }
2887
2888 /*
2889 * Shift-Mouse click searches for the next occurrence of the word under
2890 * the mouse pointer
2891 */
2892 else if ((mod_mask & MOD_MASK_SHIFT))
2893 {
2894 if (State & INSERT
2895 #ifdef FEAT_VISUAL
2896 || (VIsual_active && VIsual_select)
2897 #endif
2898 )
2899 stuffcharReadbuff(Ctrl_O);
2900 if (which_button == MOUSE_LEFT)
2901 stuffcharReadbuff('*');
2902 else /* MOUSE_RIGHT */
2903 stuffcharReadbuff('#');
2904 }
2905
2906 /* Handle double clicks, unless on status line */
2907 else if (in_status_line)
2908 {
2909 #ifdef FEAT_MOUSESHAPE
2910 if ((is_drag || is_click) && !drag_status_line)
2911 {
2912 drag_status_line = TRUE;
2913 update_mouseshape(-1);
2914 }
2915 #endif
2916 }
2917 #ifdef FEAT_VERTSPLIT
2918 else if (in_sep_line)
2919 {
2920 # ifdef FEAT_MOUSESHAPE
2921 if ((is_drag || is_click) && !drag_sep_line)
2922 {
2923 drag_sep_line = TRUE;
2924 update_mouseshape(-1);
2925 }
2926 # endif
2927 }
2928 #endif
2929 #ifdef FEAT_VISUAL
2930 else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2931 && mouse_has(MOUSE_VISUAL))
2932 {
2933 if (is_click || !VIsual_active)
2934 {
2935 if (VIsual_active)
2936 orig_cursor = VIsual;
2937 else
2938 {
2939 check_visual_highlight();
2940 VIsual = curwin->w_cursor;
2941 orig_cursor = VIsual;
2942 VIsual_active = TRUE;
2943 VIsual_reselect = TRUE;
2944 /* start Select mode if 'selectmode' contains "mouse" */
2945 may_start_select('o');
2946 setmouse();
2947 }
2948 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2949 {
2950 /* Double click with ALT pressed makes it blockwise. */
2951 if (mod_mask & MOD_MASK_ALT)
2952 VIsual_mode = Ctrl_V;
2953 else
2954 VIsual_mode = 'v';
2955 }
2956 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
2957 VIsual_mode = 'V';
2958 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
2959 VIsual_mode = Ctrl_V;
2960 #ifdef FEAT_CLIPBOARD
2961 /* Make sure the clipboard gets updated. Needed because start and
2962 * end may still be the same, and the selection needs to be owned */
2963 clip_star.vmode = NUL;
2964 #endif
2965 }
2966 /*
2967 * A double click selects a word or a block.
2968 */
2969 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2970 {
2971 pos_T *pos = NULL;
2972 int gc;
2973
2974 if (is_click)
2975 {
2976 /* If the character under the cursor (skipping white space) is
2977 * not a word character, try finding a match and select a (),
2978 * {}, [], #if/#endif, etc. block. */
2979 end_visual = curwin->w_cursor;
2980 while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
2981 inc(&end_visual);
2982 if (oap != NULL)
2983 oap->motion_type = MCHAR;
2984 if (oap != NULL
2985 && VIsual_mode == 'v'
2986 && !vim_iswordc(gchar_pos(&end_visual))
2987 && equalpos(curwin->w_cursor, VIsual)
2988 && (pos = findmatch(oap, NUL)) != NULL)
2989 {
2990 curwin->w_cursor = *pos;
2991 if (oap->motion_type == MLINE)
2992 VIsual_mode = 'V';
2993 else if (*p_sel == 'e')
2994 {
2995 if (lt(curwin->w_cursor, VIsual))
2996 ++VIsual.col;
2997 else
2998 ++curwin->w_cursor.col;
2999 }
3000 }
3001 }
3002
3003 if (pos == NULL && (is_click || is_drag))
3004 {
3005 /* When not found a match or when dragging: extend to include
3006 * a word. */
3007 if (lt(curwin->w_cursor, orig_cursor))
3008 {
3009 find_start_of_word(&curwin->w_cursor);
3010 find_end_of_word(&VIsual);
3011 }
3012 else
3013 {
3014 find_start_of_word(&VIsual);
3015 if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3016 #ifdef FEAT_MBYTE
3017 curwin->w_cursor.col +=
3018 (*mb_ptr2len)(ml_get_cursor());
3019 #else
3020 ++curwin->w_cursor.col;
3021 #endif
3022 find_end_of_word(&curwin->w_cursor);
3023 }
3024 }
3025 curwin->w_set_curswant = TRUE;
3026 }
3027 if (is_click)
3028 redraw_curbuf_later(INVERTED); /* update the inversion */
3029 }
3030 else if (VIsual_active && !old_active)
3031 {
3032 if (mod_mask & MOD_MASK_ALT)
3033 VIsual_mode = Ctrl_V;
3034 else
3035 VIsual_mode = 'v';
3036 }
3037
3038 /* If Visual mode changed show it later. */
3039 if ((!VIsual_active && old_active && mode_displayed)
3040 || (VIsual_active && p_smd && msg_silent == 0
3041 && (!old_active || VIsual_mode != old_mode)))
3042 redraw_cmdline = TRUE;
3043 #endif
3044
3045 return moved;
3046 }
3047
3048 #ifdef FEAT_VISUAL
3049 /*
3050 * Move "pos" back to the start of the word it's in.
3051 */
3052 static void
3053 find_start_of_word(pos)
3054 pos_T *pos;
3055 {
3056 char_u *line;
3057 int cclass;
3058 int col;
3059
3060 line = ml_get(pos->lnum);
3061 cclass = get_mouse_class(line + pos->col);
3062
3063 while (pos->col > 0)
3064 {
3065 col = pos->col - 1;
3066 #ifdef FEAT_MBYTE
3067 col -= (*mb_head_off)(line, line + col);
3068 #endif
3069 if (get_mouse_class(line + col) != cclass)
3070 break;
3071 pos->col = col;
3072 }
3073 }
3074
3075 /*
3076 * Move "pos" forward to the end of the word it's in.
3077 * When 'selection' is "exclusive", the position is just after the word.
3078 */
3079 static void
3080 find_end_of_word(pos)
3081 pos_T *pos;
3082 {
3083 char_u *line;
3084 int cclass;
3085 int col;
3086
3087 line = ml_get(pos->lnum);
3088 if (*p_sel == 'e' && pos->col > 0)
3089 {
3090 --pos->col;
3091 #ifdef FEAT_MBYTE
3092 pos->col -= (*mb_head_off)(line, line + pos->col);
3093 #endif
3094 }
3095 cclass = get_mouse_class(line + pos->col);
3096 while (line[pos->col] != NUL)
3097 {
3098 #ifdef FEAT_MBYTE
3099 col = pos->col + (*mb_ptr2len)(line + pos->col);
3100 #else
3101 col = pos->col + 1;
3102 #endif
3103 if (get_mouse_class(line + col) != cclass)
3104 {
3105 if (*p_sel == 'e')
3106 pos->col = col;
3107 break;
3108 }
3109 pos->col = col;
3110 }
3111 }
3112
3113 /*
3114 * Get class of a character for selection: same class means same word.
3115 * 0: blank
3116 * 1: punctuation groups
3117 * 2: normal word character
3118 * >2: multi-byte word character.
3119 */
3120 static int
3121 get_mouse_class(p)
3122 char_u *p;
3123 {
3124 int c;
3125
3126 #ifdef FEAT_MBYTE
3127 if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3128 return mb_get_class(p);
3129 #endif
3130
3131 c = *p;
3132 if (c == ' ' || c == '\t')
3133 return 0;
3134
3135 if (vim_iswordc(c))
3136 return 2;
3137
3138 /*
3139 * There are a few special cases where we want certain combinations of
3140 * characters to be considered as a single word. These are things like
3141 * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
3142 * character is in it's own class.
3143 */
3144 if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3145 return 1;
3146 return c;
3147 }
3148 #endif /* FEAT_VISUAL */
3149 #endif /* FEAT_MOUSE */
3150
3151 #if defined(FEAT_VISUAL) || defined(PROTO)
3152 /*
3153 * Check if highlighting for visual mode is possible, give a warning message
3154 * if not.
3155 */
3156 void
3157 check_visual_highlight()
3158 {
3159 static int did_check = FALSE;
3160
3161 if (full_screen)
3162 {
3163 if (!did_check && hl_attr(HLF_V) == 0)
3164 MSG(_("Warning: terminal cannot highlight"));
3165 did_check = TRUE;
3166 }
3167 }
3168
3169 /*
3170 * End Visual mode.
3171 * This function should ALWAYS be called to end Visual mode, except from
3172 * do_pending_operator().
3173 */
3174 void
3175 end_visual_mode()
3176 {
3177 #ifdef FEAT_CLIPBOARD
3178 /*
3179 * If we are using the clipboard, then remember what was selected in case
3180 * we need to paste it somewhere while we still own the selection.
3181 * Only do this when the clipboard is already owned. Don't want to grab
3182 * the selection when hitting ESC.
3183 */
3184 if (clip_star.available && clip_star.owned)
3185 clip_auto_select();
3186 #endif
3187
3188 VIsual_active = FALSE;
3189 #ifdef FEAT_MOUSE
3190 setmouse();
3191 mouse_dragging = 0;
3192 #endif
3193
3194 /* Save the current VIsual area for '< and '> marks, and "gv" */
3195 curbuf->b_visual.vi_mode = VIsual_mode;
3196 curbuf->b_visual.vi_start = VIsual;
3197 curbuf->b_visual.vi_end = curwin->w_cursor;
3198 curbuf->b_visual.vi_curswant = curwin->w_curswant;
3199 #ifdef FEAT_EVAL
3200 curbuf->b_visual_mode_eval = VIsual_mode;
3201 #endif
3202 #ifdef FEAT_VIRTUALEDIT
3203 if (!virtual_active())
3204 curwin->w_cursor.coladd = 0;
3205 #endif
3206
3207 if (mode_displayed)
3208 clear_cmdline = TRUE; /* unshow visual mode later */
3209 #ifdef FEAT_CMDL_INFO
3210 else
3211 clear_showcmd();
3212 #endif
3213
3214 adjust_cursor_eol();
3215 }
3216
3217 /*
3218 * Reset VIsual_active and VIsual_reselect.
3219 */
3220 void
3221 reset_VIsual_and_resel()
3222 {
3223 if (VIsual_active)
3224 {
3225 end_visual_mode();
3226 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3227 }
3228 VIsual_reselect = FALSE;
3229 }
3230
3231 /*
3232 * Reset VIsual_active and VIsual_reselect if it's set.
3233 */
3234 void
3235 reset_VIsual()
3236 {
3237 if (VIsual_active)
3238 {
3239 end_visual_mode();
3240 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3241 VIsual_reselect = FALSE;
3242 }
3243 }
3244 #endif /* FEAT_VISUAL */
3245
3246 #if defined(FEAT_BEVAL)
3247 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3248
3249 /*
3250 * Check for a balloon-eval special item to include when searching for an
3251 * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
3252 * Returns TRUE if the character at "*ptr" should be included.
3253 * "dir" is FORWARD or BACKWARD, the direction of searching.
3254 * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3255 * "bnp" points to a counter for square brackets.
3256 */
3257 static int
3258 find_is_eval_item(ptr, colp, bnp, dir)
3259 char_u *ptr;
3260 int *colp;
3261 int *bnp;
3262 int dir;
3263 {
3264 /* Accept everything inside []. */
3265 if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3266 ++*bnp;
3267 if (*bnp > 0)
3268 {
3269 if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3270 --*bnp;
3271 return TRUE;
3272 }
3273
3274 /* skip over "s.var" */
3275 if (*ptr == '.')
3276 return TRUE;
3277
3278 /* two-character item: s->var */
3279 if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3280 && ptr[dir == BACKWARD ? -1 : 0] == '-')
3281 {
3282 *colp += dir;
3283 return TRUE;
3284 }
3285 return FALSE;
3286 }
3287 #endif
3288
3289 /*
3290 * Find the identifier under or to the right of the cursor.
3291 * "find_type" can have one of three values:
3292 * FIND_IDENT: find an identifier (keyword)
3293 * FIND_STRING: find any non-white string
3294 * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3295 * FIND_EVAL: find text useful for C program debugging
3296 *
3297 * There are three steps:
3298 * 1. Search forward for the start of an identifier/string. Doesn't move if
3299 * already on one.
3300 * 2. Search backward for the start of this identifier/string.
3301 * This doesn't match the real Vi but I like it a little better and it
3302 * shouldn't bother anyone.
3303 * 3. Search forward to the end of this identifier/string.
3304 * When FIND_IDENT isn't defined, we backup until a blank.
3305 *
3306 * Returns the length of the string, or zero if no string is found.
3307 * If a string is found, a pointer to the string is put in "*string". This
3308 * string is not always NUL terminated.
3309 */
3310 int
3311 find_ident_under_cursor(string, find_type)
3312 char_u **string;
3313 int find_type;
3314 {
3315 return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3316 curwin->w_cursor.col, string, find_type);
3317 }
3318
3319 /*
3320 * Like find_ident_under_cursor(), but for any window and any position.
3321 * However: Uses 'iskeyword' from the current window!.
3322 */
3323 int
3324 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3325 win_T *wp;
3326 linenr_T lnum;
3327 colnr_T startcol;
3328 char_u **string;
3329 int find_type;
3330 {
3331 char_u *ptr;
3332 int col = 0; /* init to shut up GCC */
3333 int i;
3334 #ifdef FEAT_MBYTE
3335 int this_class = 0;
3336 int prev_class;
3337 int prevcol;
3338 #endif
3339 #if defined(FEAT_BEVAL)
3340 int bn = 0; /* bracket nesting */
3341 #endif
3342
3343 /*
3344 * if i == 0: try to find an identifier
3345 * if i == 1: try to find any non-white string
3346 */
3347 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3348 for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
3349 {
3350 /*
3351 * 1. skip to start of identifier/string
3352 */
3353 col = startcol;
3354 #ifdef FEAT_MBYTE
3355 if (has_mbyte)
3356 {
3357 while (ptr[col] != NUL)
3358 {
3359 # if defined(FEAT_BEVAL)
3360 /* Stop at a ']' to evaluate "a[x]". */
3361 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3362 break;
3363 # endif
3364 this_class = mb_get_class(ptr + col);
3365 if (this_class != 0 && (i == 1 || this_class != 1))
3366 break;
3367 col += (*mb_ptr2len)(ptr + col);
3368 }
3369 }
3370 else
3371 #endif
3372 while (ptr[col] != NUL
3373 && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3374 # if defined(FEAT_BEVAL)
3375 && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3376 # endif
3377 )
3378 ++col;
3379
3380 #if defined(FEAT_BEVAL)
3381 /* When starting on a ']' count it, so that we include the '['. */
3382 bn = ptr[col] == ']';
3383 #endif
3384
3385 /*
3386 * 2. Back up to start of identifier/string.
3387 */
3388 #ifdef FEAT_MBYTE
3389 if (has_mbyte)
3390 {
3391 /* Remember class of character under cursor. */
3392 # if defined(FEAT_BEVAL)
3393 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3394 this_class = mb_get_class((char_u *)"a");
3395 else
3396 # endif
3397 this_class = mb_get_class(ptr + col);
3398 while (col > 0 && this_class != 0)
3399 {
3400 prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3401 prev_class = mb_get_class(ptr + prevcol);
3402 if (this_class != prev_class
3403 && (i == 0
3404 || prev_class == 0
3405 || (find_type & FIND_IDENT))
3406 # if defined(FEAT_BEVAL)
3407 && (!(find_type & FIND_EVAL)
3408 || prevcol == 0
3409 || !find_is_eval_item(ptr + prevcol, &prevcol,
3410 &bn, BACKWARD))
3411 # endif
3412 )
3413 break;
3414 col = prevcol;
3415 }
3416
3417 /* If we don't want just any old string, or we've found an
3418 * identifier, stop searching. */
3419 if (this_class > 2)
3420 this_class = 2;
3421 if (!(find_type & FIND_STRING) || this_class == 2)
3422 break;
3423 }
3424 else
3425 #endif
3426 {
3427 while (col > 0
3428 && ((i == 0
3429 ? vim_iswordc(ptr[col - 1])
3430 : (!vim_iswhite(ptr[col - 1])
3431 && (!(find_type & FIND_IDENT)
3432 || !vim_iswordc(ptr[col - 1]))))
3433 #if defined(FEAT_BEVAL)
3434 || ((find_type & FIND_EVAL)
3435 && col > 1
3436 && find_is_eval_item(ptr + col - 1, &col,
3437 &bn, BACKWARD))
3438 #endif
3439 ))
3440 --col;
3441
3442 /* If we don't want just any old string, or we've found an
3443 * identifier, stop searching. */
3444 if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3445 break;
3446 }
3447 }
3448
3449 if (ptr[col] == NUL || (i == 0 && (
3450 #ifdef FEAT_MBYTE
3451 has_mbyte ? this_class != 2 :
3452 #endif
3453 !vim_iswordc(ptr[col]))))
3454 {
3455 /*
3456 * didn't find an identifier or string
3457 */
3458 if (find_type & FIND_STRING)
3459 EMSG(_("E348: No string under cursor"));
3460 else
3461 EMSG(_("E349: No identifier under cursor"));
3462 return 0;
3463 }
3464 ptr += col;
3465 *string = ptr;
3466
3467 /*
3468 * 3. Find the end if the identifier/string.
3469 */
3470 #if defined(FEAT_BEVAL)
3471 bn = 0;
3472 startcol -= col;
3473 #endif
3474 col = 0;
3475 #ifdef FEAT_MBYTE
3476 if (has_mbyte)
3477 {
3478 /* Search for point of changing multibyte character class. */
3479 this_class = mb_get_class(ptr);
3480 while (ptr[col] != NUL
3481 && ((i == 0 ? mb_get_class(ptr + col) == this_class
3482 : mb_get_class(ptr + col) != 0)
3483 # if defined(FEAT_BEVAL)
3484 || ((find_type & FIND_EVAL)
3485 && col <= (int)startcol
3486 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3487 # endif
3488 ))
3489 col += (*mb_ptr2len)(ptr + col);
3490 }
3491 else
3492 #endif
3493 while ((i == 0 ? vim_iswordc(ptr[col])
3494 : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3495 # if defined(FEAT_BEVAL)
3496 || ((find_type & FIND_EVAL)
3497 && col <= (int)startcol
3498 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3499 # endif
3500 )
3501 {
3502 ++col;
3503 }
3504
3505 return col;
3506 }
3507
3508 /*
3509 * Prepare for redo of a normal command.
3510 */
3511 static void
3512 prep_redo_cmd(cap)
3513 cmdarg_T *cap;
3514 {
3515 prep_redo(cap->oap->regname, cap->count0,
3516 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3517 }
3518
3519 /*
3520 * Prepare for redo of any command.
3521 * Note that only the last argument can be a multi-byte char.
3522 */
3523 static void
3524 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3525 int regname;
3526 long num;
3527 int cmd1;
3528 int cmd2;
3529 int cmd3;
3530 int cmd4;
3531 int cmd5;
3532 {
3533 ResetRedobuff();
3534 if (regname != 0) /* yank from specified buffer */
3535 {
3536 AppendCharToRedobuff('"');
3537 AppendCharToRedobuff(regname);
3538 }
3539 if (num)
3540 AppendNumberToRedobuff(num);
3541
3542 if (cmd1 != NUL)
3543 AppendCharToRedobuff(cmd1);
3544 if (cmd2 != NUL)
3545 AppendCharToRedobuff(cmd2);
3546 if (cmd3 != NUL)
3547 AppendCharToRedobuff(cmd3);
3548 if (cmd4 != NUL)
3549 AppendCharToRedobuff(cmd4);
3550 if (cmd5 != NUL)
3551 AppendCharToRedobuff(cmd5);
3552 }
3553
3554 /*
3555 * check for operator active and clear it
3556 *
3557 * return TRUE if operator was active
3558 */
3559 static int
3560 checkclearop(oap)
3561 oparg_T *oap;
3562 {
3563 if (oap->op_type == OP_NOP)
3564 return FALSE;
3565 clearopbeep(oap);
3566 return TRUE;
3567 }
3568
3569 /*
3570 * Check for operator or Visual active. Clear active operator.
3571 *
3572 * Return TRUE if operator or Visual was active.
3573 */
3574 static int
3575 checkclearopq(oap)
3576 oparg_T *oap;
3577 {
3578 if (oap->op_type == OP_NOP
3579 #ifdef FEAT_VISUAL
3580 && !VIsual_active
3581 #endif
3582 )
3583 return FALSE;
3584 clearopbeep(oap);
3585 return TRUE;
3586 }
3587
3588 static void
3589 clearop(oap)
3590 oparg_T *oap;
3591 {
3592 oap->op_type = OP_NOP;
3593 oap->regname = 0;
3594 oap->motion_force = NUL;
3595 oap->use_reg_one = FALSE;
3596 }
3597
3598 static void
3599 clearopbeep(oap)
3600 oparg_T *oap;
3601 {
3602 clearop(oap);
3603 beep_flush();
3604 }
3605
3606 #ifdef FEAT_VISUAL
3607 /*
3608 * Remove the shift modifier from a special key.
3609 */
3610 static void
3611 unshift_special(cap)
3612 cmdarg_T *cap;
3613 {
3614 switch (cap->cmdchar)
3615 {
3616 case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
3617 case K_S_LEFT: cap->cmdchar = K_LEFT; break;
3618 case K_S_UP: cap->cmdchar = K_UP; break;
3619 case K_S_DOWN: cap->cmdchar = K_DOWN; break;
3620 case K_S_HOME: cap->cmdchar = K_HOME; break;
3621 case K_S_END: cap->cmdchar = K_END; break;
3622 }
3623 cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3624 }
3625 #endif
3626
3627 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3628 /*
3629 * Routines for displaying a partly typed command
3630 */
3631
3632 #ifdef FEAT_VISUAL /* need room for size of Visual area */
3633 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3634 #else
3635 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3636 #endif
3637 static char_u showcmd_buf[SHOWCMD_BUFLEN];
3638 static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
3639 static int showcmd_is_clear = TRUE;
3640 static int showcmd_visual = FALSE;
3641
3642 static void display_showcmd __ARGS((void));
3643
3644 void
3645 clear_showcmd()
3646 {
3647 if (!p_sc)
3648 return;
3649
3650 #ifdef FEAT_VISUAL
3651 if (VIsual_active && !char_avail())
3652 {
3653 int i = lt(VIsual, curwin->w_cursor);
3654 long lines;
3655 colnr_T leftcol, rightcol;
3656 linenr_T top, bot;
3657
3658 /* Show the size of the Visual area. */
3659 if (i)
3660 {
3661 top = VIsual.lnum;
3662 bot = curwin->w_cursor.lnum;
3663 }
3664 else
3665 {
3666 top = curwin->w_cursor.lnum;
3667 bot = VIsual.lnum;
3668 }
3669 # ifdef FEAT_FOLDING
3670 /* Include closed folds as a whole. */
3671 hasFolding(top, &top, NULL);
3672 hasFolding(bot, NULL, &bot);
3673 # endif
3674 lines = bot - top + 1;
3675
3676 if (VIsual_mode == Ctrl_V)
3677 {
3678 getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3679 sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3680 (long)(rightcol - leftcol + 1));
3681 }
3682 else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3683 sprintf((char *)showcmd_buf, "%ld", lines);
3684 else
3685 sprintf((char *)showcmd_buf, "%ld", (long)(i
3686 ? curwin->w_cursor.col - VIsual.col
3687 : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3688 showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */
3689 showcmd_visual = TRUE;
3690 }
3691 else
3692 #endif
3693 {
3694 showcmd_buf[0] = NUL;
3695 showcmd_visual = FALSE;
3696
3697 /* Don't actually display something if there is nothing to clear. */
3698 if (showcmd_is_clear)
3699 return;
3700 }
3701
3702 display_showcmd();
3703 }
3704
3705 /*
3706 * Add 'c' to string of shown command chars.
3707 * Return TRUE if output has been written (and setcursor() has been called).
3708 */
3709 int
3710 add_to_showcmd(c)
3711 int c;
3712 {
3713 char_u *p;
3714 int old_len;
3715 int extra_len;
3716 int overflow;
3717 #if defined(FEAT_MOUSE)
3718 int i;
3719 static int ignore[] =
3720 {
3721 # ifdef FEAT_GUI
3722 K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3723 K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3724 # endif
3725 K_IGNORE,
3726 K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3727 K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3728 K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3729 K_MOUSEDOWN, K_MOUSEUP,
3730 K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3731 K_CURSORHOLD,
3732 0
3733 };
3734 #endif
3735
3736 if (!p_sc || msg_silent != 0)
3737 return FALSE;
3738
3739 if (showcmd_visual)
3740 {
3741 showcmd_buf[0] = NUL;
3742 showcmd_visual = FALSE;
3743 }
3744
3745 #if defined(FEAT_MOUSE)
3746 /* Ignore keys that are scrollbar updates and mouse clicks */
3747 if (IS_SPECIAL(c))
3748 for (i = 0; ignore[i] != 0; ++i)
3749 if (ignore[i] == c)
3750 return FALSE;
3751 #endif
3752
3753 p = transchar(c);
3754 old_len = (int)STRLEN(showcmd_buf);
3755 extra_len = (int)STRLEN(p);
3756 overflow = old_len + extra_len - SHOWCMD_COLS;
3757 if (overflow > 0)
3758 STRCPY(showcmd_buf, showcmd_buf + overflow);
3759 STRCAT(showcmd_buf, p);
3760
3761 if (char_avail())
3762 return FALSE;
3763
3764 display_showcmd();
3765
3766 return TRUE;
3767 }
3768
3769 void
3770 add_to_showcmd_c(c)
3771 int c;
3772 {
3773 if (!add_to_showcmd(c))
3774 setcursor();
3775 }
3776
3777 /*
3778 * Delete 'len' characters from the end of the shown command.
3779 */
3780 static void
3781 del_from_showcmd(len)
3782 int len;
3783 {
3784 int old_len;
3785
3786 if (!p_sc)
3787 return;
3788
3789 old_len = (int)STRLEN(showcmd_buf);
3790 if (len > old_len)
3791 len = old_len;
3792 showcmd_buf[old_len - len] = NUL;
3793
3794 if (!char_avail())
3795 display_showcmd();
3796 }
3797
3798 /*
3799 * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3800 * something and there is a partial mapping.
3801 */
3802 void
3803 push_showcmd()
3804 {
3805 if (p_sc)
3806 STRCPY(old_showcmd_buf, showcmd_buf);
3807 }
3808
3809 void
3810 pop_showcmd()
3811 {
3812 if (!p_sc)
3813 return;
3814
3815 STRCPY(showcmd_buf, old_showcmd_buf);
3816
3817 display_showcmd();
3818 }
3819
3820 static void
3821 display_showcmd()
3822 {
3823 int len;
3824
3825 cursor_off();
3826
3827 len = (int)STRLEN(showcmd_buf);
3828 if (len == 0)
3829 showcmd_is_clear = TRUE;
3830 else
3831 {
3832 screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3833 showcmd_is_clear = FALSE;
3834 }
3835
3836 /*
3837 * clear the rest of an old message by outputting up to SHOWCMD_COLS
3838 * spaces
3839 */
3840 screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0);
3841
3842 setcursor(); /* put cursor back where it belongs */
3843 }
3844 #endif
3845
3846 #ifdef FEAT_SCROLLBIND
3847 /*
3848 * When "check" is FALSE, prepare for commands that scroll the window.
3849 * When "check" is TRUE, take care of scroll-binding after the window has
3850 * scrolled. Called from normal_cmd() and edit().
3851 */
3852 void
3853 do_check_scrollbind(check)
3854 int check;
3855 {
3856 static win_T *old_curwin = NULL;
3857 static linenr_T old_topline = 0;
3858 #ifdef FEAT_DIFF
3859 static int old_topfill = 0;
3860 #endif
3861 static buf_T *old_buf = NULL;
3862 static colnr_T old_leftcol = 0;
3863
3864 if (check && curwin->w_p_scb)
3865 {
3866 /* If a ":syncbind" command was just used, don't scroll, only reset
3867 * the values. */
3868 if (did_syncbind)
3869 did_syncbind = FALSE;
3870 else if (curwin == old_curwin)
3871 {
3872 /*
3873 * Synchronize other windows, as necessary according to
3874 * 'scrollbind'. Don't do this after an ":edit" command, except
3875 * when 'diff' is set.
3876 */
3877 if ((curwin->w_buffer == old_buf
3878 #ifdef FEAT_DIFF
3879 || curwin->w_p_diff
3880 #endif
3881 )
3882 && (curwin->w_topline != old_topline
3883 #ifdef FEAT_DIFF
3884 || curwin->w_topfill != old_topfill
3885 #endif
3886 || curwin->w_leftcol != old_leftcol))
3887 {
3888 check_scrollbind(curwin->w_topline - old_topline,
3889 (long)(curwin->w_leftcol - old_leftcol));
3890 }
3891 }
3892 else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3893 {
3894 /*
3895 * When switching between windows, make sure that the relative
3896 * vertical offset is valid for the new window. The relative
3897 * offset is invalid whenever another 'scrollbind' window has
3898 * scrolled to a point that would force the current window to
3899 * scroll past the beginning or end of its buffer. When the
3900 * resync is performed, some of the other 'scrollbind' windows may
3901 * need to jump so that the current window's relative position is
3902 * visible on-screen.
3903 */
3904 check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3905 }
3906 curwin->w_scbind_pos = curwin->w_topline;
3907 }
3908
3909 old_curwin = curwin;
3910 old_topline = curwin->w_topline;
3911 #ifdef FEAT_DIFF
3912 old_topfill = curwin->w_topfill;
3913 #endif
3914 old_buf = curwin->w_buffer;
3915 old_leftcol = curwin->w_leftcol;
3916 }
3917
3918 /*
3919 * Synchronize any windows that have "scrollbind" set, based on the
3920 * number of rows by which the current window has changed
3921 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
3922 */
3923 void
3924 check_scrollbind(topline_diff, leftcol_diff)
3925 linenr_T topline_diff;
3926 long leftcol_diff;
3927 {
3928 int want_ver;
3929 int want_hor;
3930 win_T *old_curwin = curwin;
3931 buf_T *old_curbuf = curbuf;
3932 #ifdef FEAT_VISUAL
3933 int old_VIsual_select = VIsual_select;
3934 int old_VIsual_active = VIsual_active;
3935 #endif
3936 colnr_T tgt_leftcol = curwin->w_leftcol;
3937 long topline;
3938 long y;
3939
3940 /*
3941 * check 'scrollopt' string for vertical and horizontal scroll options
3942 */
3943 want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
3944 #ifdef FEAT_DIFF
3945 want_ver |= old_curwin->w_p_diff;
3946 #endif
3947 want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
3948
3949 /*
3950 * loop through the scrollbound windows and scroll accordingly
3951 */
3952 #ifdef FEAT_VISUAL
3953 VIsual_select = VIsual_active = 0;
3954 #endif
3955 for (curwin = firstwin; curwin; curwin = curwin->w_next)
3956 {
3957 curbuf = curwin->w_buffer;
3958 /* skip original window and windows with 'noscrollbind' */
3959 if (curwin != old_curwin && curwin->w_p_scb)
3960 {
3961 /*
3962 * do the vertical scroll
3963 */
3964 if (want_ver)
3965 {
3966 #ifdef FEAT_DIFF
3967 if (old_curwin->w_p_diff && curwin->w_p_diff)
3968 {
3969 diff_set_topline(old_curwin, curwin);
3970 }
3971 else
3972 #endif
3973 {
3974 curwin->w_scbind_pos += topline_diff;
3975 topline = curwin->w_scbind_pos;
3976 if (topline > curbuf->b_ml.ml_line_count)
3977 topline = curbuf->b_ml.ml_line_count;
3978 if (topline < 1)
3979 topline = 1;
3980
3981 y = topline - curwin->w_topline;
3982 if (y > 0)
3983 scrollup(y, FALSE);
3984 else
3985 scrolldown(-y, FALSE);
3986 }
3987
3988 redraw_later(VALID);
3989 cursor_correct();
3990 #ifdef FEAT_WINDOWS
3991 curwin->w_redr_status = TRUE;
3992 #endif
3993 }
3994
3995 /*
3996 * do the horizontal scroll
3997 */
3998 if (want_hor && curwin->w_leftcol != tgt_leftcol)
3999 {
4000 curwin->w_leftcol = tgt_leftcol;
4001 leftcol_changed();
4002 }
4003 }
4004 }
4005
4006 /*
4007 * reset current-window
4008 */
4009 #ifdef FEAT_VISUAL
4010 VIsual_select = old_VIsual_select;
4011 VIsual_active = old_VIsual_active;
4012 #endif
4013 curwin = old_curwin;
4014 curbuf = old_curbuf;
4015 }
4016 #endif /* #ifdef FEAT_SCROLLBIND */
4017
4018 /*
4019 * Command character that's ignored.
4020 * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4021 * xon/xoff
4022 */
4023 static void
4024 nv_ignore(cap)
4025 cmdarg_T *cap;
4026 {
4027 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
4028 }
4029
4030 /*
4031 * Command character that doesn't do anything, but unlike nv_ignore() does
4032 * start edit(). Used for "startinsert" executed while starting up.
4033 */
4034 /*ARGSUSED */
4035 static void
4036 nv_nop(cap)
4037 cmdarg_T *cap;
4038 {
4039 }
4040
4041 /*
4042 * Command character doesn't exist.
4043 */
4044 static void
4045 nv_error(cap)
4046 cmdarg_T *cap;
4047 {
4048 clearopbeep(cap->oap);
4049 }
4050
4051 /*
4052 * <Help> and <F1> commands.
4053 */
4054 static void
4055 nv_help(cap)
4056 cmdarg_T *cap;
4057 {
4058 if (!checkclearopq(cap->oap))
4059 ex_help(NULL);
4060 }
4061
4062 /*
4063 * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4064 */
4065 static void
4066 nv_addsub(cap)
4067 cmdarg_T *cap;
4068 {
4069 if (!checkclearopq(cap->oap)
4070 && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4071 prep_redo_cmd(cap);
4072 }
4073
4074 /*
4075 * CTRL-F, CTRL-B, etc: Scroll page up or down.
4076 */
4077 static void
4078 nv_page(cap)
4079 cmdarg_T *cap;
4080 {
4081 if (!checkclearop(cap->oap))
4082 {
4083 #ifdef FEAT_WINDOWS
4084 if (mod_mask & MOD_MASK_CTRL)
4085 {
4086 /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4087 if (cap->arg == BACKWARD)
4088 goto_tabpage(-(int)cap->count1);
4089 else
4090 goto_tabpage((int)cap->count0);
4091 }
4092 else
4093 #endif
4094 (void)onepage(cap->arg, cap->count1);
4095 }
4096 }
4097
4098 /*
4099 * Implementation of "gd" and "gD" command.
4100 */
4101 static void
4102 nv_gd(oap, nchar, thisblock)
4103 oparg_T *oap;
4104 int nchar;
4105 int thisblock; /* 1 for "1gd" and "1gD" */
4106 {
4107 int len;
4108 char_u *ptr;
4109
4110 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4111 || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4112 clearopbeep(oap);
4113 #ifdef FEAT_FOLDING
4114 else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4115 foldOpenCursor();
4116 #endif
4117 }
4118
4119 /*
4120 * Search for variable declaration of "ptr[len]".
4121 * When "locally" is TRUE in the current function ("gd"), otherwise in the
4122 * current file ("gD").
4123 * When "thisblock" is TRUE check the {} block scope.
4124 * Return FAIL when not found.
4125 */
4126 int
4127 find_decl(ptr, len, locally, thisblock, searchflags)
4128 char_u *ptr;
4129 int len;
4130 int locally;
4131 int thisblock;
4132 int searchflags; /* flags passed to searchit() */
4133 {
4134 char_u *pat;
4135 pos_T old_pos;
4136 pos_T par_pos;
4137 pos_T found_pos;
4138 int t;
4139 int save_p_ws;
4140 int save_p_scs;
4141 int retval = OK;
4142 int incll;
4143
4144 if ((pat = alloc(len + 7)) == NULL)
4145 return FAIL;
4146
4147 /* Put "\V" before the pattern to avoid that the special meaning of "."
4148 * and "~" causes trouble. */
4149 sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4150 len, ptr);
4151 old_pos = curwin->w_cursor;
4152 save_p_ws = p_ws;
4153 save_p_scs = p_scs;
4154 p_ws = FALSE; /* don't wrap around end of file now */
4155 p_scs = FALSE; /* don't switch ignorecase off now */
4156
4157 /*
4158 * With "gD" go to line 1.
4159 * With "gd" Search back for the start of the current function, then go
4160 * back until a blank line. If this fails go to line 1.
4161 */
4162 if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4163 {
4164 setpcmark(); /* Set in findpar() otherwise */
4165 curwin->w_cursor.lnum = 1;
4166 par_pos = curwin->w_cursor;
4167 }
4168 else
4169 {
4170 par_pos = curwin->w_cursor;
4171 while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4172 --curwin->w_cursor.lnum;
4173 }
4174 curwin->w_cursor.col = 0;
4175
4176 /* Search forward for the identifier, ignore comment lines. */
4177 clearpos(&found_pos);
4178 for (;;)
4179 {
4180 t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4181 pat, 1L, searchflags, RE_LAST, (linenr_T)0);
4182 if (curwin->w_cursor.lnum >= old_pos.lnum)
4183 t = FAIL; /* match after start is failure too */
4184
4185 if (thisblock && t != FAIL)
4186 {
4187 pos_T *pos;
4188
4189 /* Check that the block the match is in doesn't end before the
4190 * position where we started the search from. */
4191 if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4192 (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4193 && pos->lnum < old_pos.lnum)
4194 continue;
4195 }
4196
4197 if (t == FAIL)
4198 {
4199 /* If we previously found a valid position, use it. */
4200 if (found_pos.lnum != 0)
4201 {
4202 curwin->w_cursor = found_pos;
4203 t = OK;
4204 }
4205 break;
4206 }
4207 #ifdef FEAT_COMMENTS
4208 if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4209 {
4210 /* Ignore this line, continue at start of next line. */
4211 ++curwin->w_cursor.lnum;
4212 curwin->w_cursor.col = 0;
4213 continue;
4214 }
4215 #endif
4216 if (!locally) /* global search: use first match found */
4217 break;
4218 if (curwin->w_cursor.lnum >= par_pos.lnum)
4219 {
4220 /* If we previously found a valid position, use it. */
4221 if (found_pos.lnum != 0)
4222 curwin->w_cursor = found_pos;
4223 break;
4224 }
4225
4226 /* For finding a local variable and the match is before the "{" search
4227 * to find a later match. For K&R style function declarations this
4228 * skips the function header without types. */
4229 found_pos = curwin->w_cursor;
4230 }
4231
4232 if (t == FAIL)
4233 {
4234 retval = FAIL;
4235 curwin->w_cursor = old_pos;
4236 }
4237 else
4238 {
4239 curwin->w_set_curswant = TRUE;
4240 /* "n" searches forward now */
4241 reset_search_dir();
4242 }
4243
4244 vim_free(pat);
4245 p_ws = save_p_ws;
4246 p_scs = save_p_scs;
4247
4248 return retval;
4249 }
4250
4251 /*
4252 * Move 'dist' lines in direction 'dir', counting lines by *screen*
4253 * lines rather than lines in the file.
4254 * 'dist' must be positive.
4255 *
4256 * Return OK if able to move cursor, FAIL otherwise.
4257 */
4258 static int
4259 nv_screengo(oap, dir, dist)
4260 oparg_T *oap;
4261 int dir;
4262 long dist;
4263 {
4264 int linelen = linetabsize(ml_get_curline());
4265 int retval = OK;
4266 int atend = FALSE;
4267 int n;
4268 int col_off1; /* margin offset for first screen line */
4269 int col_off2; /* margin offset for wrapped screen line */
4270 int width1; /* text width for first screen line */
4271 int width2; /* test width for wrapped screen line */
4272
4273 oap->motion_type = MCHAR;
4274 oap->inclusive = FALSE;
4275
4276 col_off1 = curwin_col_off();
4277 col_off2 = col_off1 - curwin_col_off2();
4278 width1 = W_WIDTH(curwin) - col_off1;
4279 width2 = W_WIDTH(curwin) - col_off2;
4280
4281 #ifdef FEAT_VERTSPLIT
4282 if (curwin->w_width != 0)
4283 {
4284 #endif
4285 /*
4286 * Instead of sticking at the last character of the buffer line we
4287 * try to stick in the last column of the screen.
4288 */
4289 if (curwin->w_curswant == MAXCOL)
4290 {
4291 atend = TRUE;
4292 validate_virtcol();
4293 if (width1 <= 0)
4294 curwin->w_curswant = 0;
4295 else
4296 {
4297 curwin->w_curswant = width1 - 1;
4298 if (curwin->w_virtcol > curwin->w_curswant)
4299 curwin->w_curswant += ((curwin->w_virtcol
4300 - curwin->w_curswant - 1) / width2 + 1) * width2;
4301 }
4302 }
4303 else
4304 {
4305 if (linelen > width1)
4306 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4307 else
4308 n = width1;
4309 if (curwin->w_curswant > (colnr_T)n + 1)
4310 curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4311 * width2;
4312 }
4313
4314 while (dist--)
4315 {
4316 if (dir == BACKWARD)
4317 {
4318 if ((long)curwin->w_curswant >= width2)
4319 /* move back within line */
4320 curwin->w_curswant -= width2;
4321 else
4322 {
4323 /* to previous line */
4324 if (curwin->w_cursor.lnum == 1)
4325 {
4326 retval = FAIL;
4327 break;
4328 }
4329 --curwin->w_cursor.lnum;
4330 #ifdef FEAT_FOLDING
4331 /* Move to the start of a closed fold. Don't do that when
4332 * 'foldopen' contains "all": it will open in a moment. */
4333 if (!(fdo_flags & FDO_ALL))
4334 (void)hasFolding(curwin->w_cursor.lnum,
4335 &curwin->w_cursor.lnum, NULL);
4336 #endif
4337 linelen = linetabsize(ml_get_curline());
4338 if (linelen > width1)
4339 curwin->w_curswant += (((linelen - width1 - 1) / width2)
4340 + 1) * width2;
4341 }
4342 }
4343 else /* dir == FORWARD */
4344 {
4345 if (linelen > width1)
4346 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4347 else
4348 n = width1;
4349 if (curwin->w_curswant + width2 < (colnr_T)n)
4350 /* move forward within line */
4351 curwin->w_curswant += width2;
4352 else
4353 {
4354 /* to next line */
4355 #ifdef FEAT_FOLDING
4356 /* Move to the end of a closed fold. */
4357 (void)hasFolding(curwin->w_cursor.lnum, NULL,
4358 &curwin->w_cursor.lnum);
4359 #endif
4360 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4361 {
4362 retval = FAIL;
4363 break;
4364 }
4365 curwin->w_cursor.lnum++;
4366 curwin->w_curswant %= width2;
4367 }
4368 }
4369 }
4370 #ifdef FEAT_VERTSPLIT
4371 }
4372 #endif
4373
4374 coladvance(curwin->w_curswant);
4375
4376 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4377 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4378 {
4379 /*
4380 * Check for landing on a character that got split at the end of the
4381 * last line. We want to advance a screenline, not end up in the same
4382 * screenline or move two screenlines.
4383 */
4384 validate_virtcol();
4385 if (curwin->w_virtcol > curwin->w_curswant
4386 && (curwin->w_curswant < (colnr_T)width1
4387 ? (curwin->w_curswant > (colnr_T)width1 / 2)
4388 : ((curwin->w_curswant - width1) % width2
4389 > (colnr_T)width2 / 2)))
4390 --curwin->w_cursor.col;
4391 }
4392 #endif
4393
4394 if (atend)
4395 curwin->w_curswant = MAXCOL; /* stick in the last column */
4396
4397 return retval;
4398 }
4399
4400 #ifdef FEAT_MOUSE
4401 /*
4402 * Mouse scroll wheel: Default action is to scroll three lines, or one page
4403 * when Shift or Ctrl is used.
4404 * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4405 */
4406 static void
4407 nv_mousescroll(cap)
4408 cmdarg_T *cap;
4409 {
4410 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4411 win_T *old_curwin = curwin;
4412
4413 /* Currently we only get the mouse coordinates in the GUI. */
4414 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4415 {
4416 int row, col;
4417
4418 row = mouse_row;
4419 col = mouse_col;
4420
4421 /* find the window at the pointer coordinates */
4422 curwin = mouse_find_win(&row, &col);
4423 curbuf = curwin->w_buffer;
4424 }
4425 # endif
4426
4427 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4428 {
4429 (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4430 }
4431 else
4432 {
4433 cap->count1 = 3;
4434 cap->count0 = 3;
4435 nv_scroll_line(cap);
4436 }
4437
4438 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4439 curwin->w_redr_status = TRUE;
4440
4441 curwin = old_curwin;
4442 curbuf = curwin->w_buffer;
4443 # endif
4444 }
4445
4446 /*
4447 * Mouse clicks and drags.
4448 */
4449 static void
4450 nv_mouse(cap)
4451 cmdarg_T *cap;
4452 {
4453 (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4454 }
4455 #endif
4456
4457 /*
4458 * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4459 * cap->arg must be TRUE for CTRL-E.
4460 */
4461 static void
4462 nv_scroll_line(cap)
4463 cmdarg_T *cap;
4464 {
4465 if (!checkclearop(cap->oap))
4466 scroll_redraw(cap->arg, cap->count1);
4467 }
4468
4469 /*
4470 * Scroll "count" lines up or down, and redraw.
4471 */
4472 void
4473 scroll_redraw(up, count)
4474 int up;
4475 long count;
4476 {
4477 linenr_T prev_topline = curwin->w_topline;
4478 #ifdef FEAT_DIFF
4479 int prev_topfill = curwin->w_topfill;
4480 #endif
4481 linenr_T prev_lnum = curwin->w_cursor.lnum;
4482
4483 if (up)
4484 scrollup(count, TRUE);
4485 else
4486 scrolldown(count, TRUE);
4487 if (p_so)
4488 {
4489 /* Adjust the cursor position for 'scrolloff'. Mark w_topline as
4490 * valid, otherwise the screen jumps back at the end of the file. */
4491 cursor_correct();
4492 check_cursor_moved(curwin);
4493 curwin->w_valid |= VALID_TOPLINE;
4494
4495 /* If moved back to where we were, at least move the cursor, otherwise
4496 * we get stuck at one position. Don't move the cursor up if the
4497 * first line of the buffer is already on the screen */
4498 while (curwin->w_topline == prev_topline
4499 #ifdef FEAT_DIFF
4500 && curwin->w_topfill == prev_topfill
4501 #endif
4502 )
4503 {
4504 if (up)
4505 {
4506 if (curwin->w_cursor.lnum > prev_lnum
4507 || cursor_down(1L, FALSE) == FAIL)
4508 break;
4509 }
4510 else
4511 {
4512 if (curwin->w_cursor.lnum < prev_lnum
4513 || prev_topline == 1L
4514 || cursor_up(1L, FALSE) == FAIL)
4515 break;
4516 }
4517 /* Mark w_topline as valid, otherwise the screen jumps back at the
4518 * end of the file. */
4519 check_cursor_moved(curwin);
4520 curwin->w_valid |= VALID_TOPLINE;
4521 }
4522 }
4523 if (curwin->w_cursor.lnum != prev_lnum)
4524 coladvance(curwin->w_curswant);
4525 redraw_later(VALID);
4526 }
4527
4528 /*
4529 * Commands that start with "z".
4530 */
4531 static void
4532 nv_zet(cap)
4533 cmdarg_T *cap;
4534 {
4535 long n;
4536 colnr_T col;
4537 int nchar = cap->nchar;
4538 #ifdef FEAT_FOLDING
4539 long old_fdl = curwin->w_p_fdl;
4540 int old_fen = curwin->w_p_fen;
4541 #endif
4542 #ifdef FEAT_SPELL
4543 int undo = FALSE;
4544 #endif
4545
4546 if (VIM_ISDIGIT(nchar))
4547 {
4548 /*
4549 * "z123{nchar}": edit the count before obtaining {nchar}
4550 */
4551 if (checkclearop(cap->oap))
4552 return;
4553 n = nchar - '0';
4554 for (;;)
4555 {
4556 #ifdef USE_ON_FLY_SCROLL
4557 dont_scroll = TRUE; /* disallow scrolling here */
4558 #endif
4559 ++no_mapping;
4560 ++allow_keys; /* no mapping for nchar, but allow key codes */
4561 nchar = safe_vgetc();
4562 #ifdef FEAT_LANGMAP
4563 LANGMAP_ADJUST(nchar, TRUE);
4564 #endif
4565 --no_mapping;
4566 --allow_keys;
4567 #ifdef FEAT_CMDL_INFO
4568 (void)add_to_showcmd(nchar);
4569 #endif
4570 if (nchar == K_DEL || nchar == K_KDEL)
4571 n /= 10;
4572 else if (VIM_ISDIGIT(nchar))
4573 n = n * 10 + (nchar - '0');
4574 else if (nchar == CAR)
4575 {
4576 #ifdef FEAT_GUI
4577 need_mouse_correct = TRUE;
4578 #endif
4579 win_setheight((int)n);
4580 break;
4581 }
4582 else if (nchar == 'l'
4583 || nchar == 'h'
4584 || nchar == K_LEFT
4585 || nchar == K_RIGHT)
4586 {
4587 cap->count1 = n ? n * cap->count1 : cap->count1;
4588 goto dozet;
4589 }
4590 else
4591 {
4592 clearopbeep(cap->oap);
4593 break;
4594 }
4595 }
4596 cap->oap->op_type = OP_NOP;
4597 return;
4598 }
4599
4600 dozet:
4601 if (
4602 #ifdef FEAT_FOLDING
4603 /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4604 * and "zC" only in Visual mode. "zj" and "zk" are motion
4605 * commands. */
4606 cap->nchar != 'f' && cap->nchar != 'F'
4607 && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4608 && cap->nchar != 'j' && cap->nchar != 'k'
4609 &&
4610 #endif
4611 checkclearop(cap->oap))
4612 return;
4613
4614 /*
4615 * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4616 * If line number given, set cursor.
4617 */
4618 if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4619 && cap->count0
4620 && cap->count0 != curwin->w_cursor.lnum)
4621 {
4622 setpcmark();
4623 if (cap->count0 > curbuf->b_ml.ml_line_count)
4624 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4625 else
4626 curwin->w_cursor.lnum = cap->count0;
4627 check_cursor_col();
4628 }
4629
4630 switch (nchar)
4631 {
4632 /* "z+", "z<CR>" and "zt": put cursor at top of screen */
4633 case '+':
4634 if (cap->count0 == 0)
4635 {
4636 /* No count given: put cursor at the line below screen */
4637 validate_botline(); /* make sure w_botline is valid */
4638 if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4639 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4640 else
4641 curwin->w_cursor.lnum = curwin->w_botline;
4642 }
4643 /* FALLTHROUGH */
4644 case NL:
4645 case CAR:
4646 case K_KENTER:
4647 beginline(BL_WHITE | BL_FIX);
4648 /* FALLTHROUGH */
4649
4650 case 't': scroll_cursor_top(0, TRUE);
4651 redraw_later(VALID);
4652 break;
4653
4654 /* "z." and "zz": put cursor in middle of screen */
4655 case '.': beginline(BL_WHITE | BL_FIX);
4656 /* FALLTHROUGH */
4657
4658 case 'z': scroll_cursor_halfway(TRUE);
4659 redraw_later(VALID);
4660 break;
4661
4662 /* "z^", "z-" and "zb": put cursor at bottom of screen */
4663 case '^': /* Strange Vi behavior: <count>z^ finds line at top of window
4664 * when <count> is at bottom of window, and puts that one at
4665 * bottom of window. */
4666 if (cap->count0 != 0)
4667 {
4668 scroll_cursor_bot(0, TRUE);
4669 curwin->w_cursor.lnum = curwin->w_topline;
4670 }
4671 else if (curwin->w_topline == 1)
4672 curwin->w_cursor.lnum = 1;
4673 else
4674 curwin->w_cursor.lnum = curwin->w_topline - 1;
4675 /* FALLTHROUGH */
4676 case '-':
4677 beginline(BL_WHITE | BL_FIX);
4678 /* FALLTHROUGH */
4679
4680 case 'b': scroll_cursor_bot(0, TRUE);
4681 redraw_later(VALID);
4682 break;
4683
4684 /* "zH" - scroll screen right half-page */
4685 case 'H':
4686 cap->count1 *= W_WIDTH(curwin) / 2;
4687 /* FALLTHROUGH */
4688
4689 /* "zh" - scroll screen to the right */
4690 case 'h':
4691 case K_LEFT:
4692 if (!curwin->w_p_wrap)
4693 {
4694 if ((colnr_T)cap->count1 > curwin->w_leftcol)
4695 curwin->w_leftcol = 0;
4696 else
4697 curwin->w_leftcol -= (colnr_T)cap->count1;
4698 leftcol_changed();
4699 }
4700 break;
4701
4702 /* "zL" - scroll screen left half-page */
4703 case 'L': cap->count1 *= W_WIDTH(curwin) / 2;
4704 /* FALLTHROUGH */
4705
4706 /* "zl" - scroll screen to the left */
4707 case 'l':
4708 case K_RIGHT:
4709 if (!curwin->w_p_wrap)
4710 {
4711 /* scroll the window left */
4712 curwin->w_leftcol += (colnr_T)cap->count1;
4713 leftcol_changed();
4714 }
4715 break;
4716
4717 /* "zs" - scroll screen, cursor at the start */
4718 case 's': if (!curwin->w_p_wrap)
4719 {
4720 #ifdef FEAT_FOLDING
4721 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4722 col = 0; /* like the cursor is in col 0 */
4723 else
4724 #endif
4725 getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4726 if ((long)col > p_siso)
4727 col -= p_siso;
4728 else
4729 col = 0;
4730 if (curwin->w_leftcol != col)
4731 {
4732 curwin->w_leftcol = col;
4733 redraw_later(NOT_VALID);
4734 }
4735 }
4736 break;
4737
4738 /* "ze" - scroll screen, cursor at the end */
4739 case 'e': if (!curwin->w_p_wrap)
4740 {
4741 #ifdef FEAT_FOLDING
4742 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4743 col = 0; /* like the cursor is in col 0 */
4744 else
4745 #endif
4746 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4747 n = W_WIDTH(curwin) - curwin_col_off();
4748 if ((long)col + p_siso < n)
4749 col = 0;
4750 else
4751 col = col + p_siso - n + 1;
4752 if (curwin->w_leftcol != col)
4753 {
4754 curwin->w_leftcol = col;
4755 redraw_later(NOT_VALID);
4756 }
4757 }
4758 break;
4759
4760 #ifdef FEAT_FOLDING
4761 /* "zF": create fold command */
4762 /* "zf": create fold operator */
4763 case 'F':
4764 case 'f': if (foldManualAllowed(TRUE))
4765 {
4766 cap->nchar = 'f';
4767 nv_operator(cap);
4768 curwin->w_p_fen = TRUE;
4769
4770 /* "zF" is like "zfzf" */
4771 if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4772 {
4773 nv_operator(cap);
4774 finish_op = TRUE;
4775 }
4776 }
4777 else
4778 clearopbeep(cap->oap);
4779 break;
4780
4781 /* "zd": delete fold at cursor */
4782 /* "zD": delete fold at cursor recursively */
4783 case 'd':
4784 case 'D': if (foldManualAllowed(FALSE))
4785 {
4786 if (VIsual_active)
4787 nv_operator(cap);
4788 else
4789 deleteFold(curwin->w_cursor.lnum,
4790 curwin->w_cursor.lnum, nchar == 'D', FALSE);
4791 }
4792 break;
4793
4794 /* "zE": erease all folds */
4795 case 'E': if (foldmethodIsManual(curwin))
4796 {
4797 clearFolding(curwin);
4798 changed_window_setting();
4799 }
4800 else if (foldmethodIsMarker(curwin))
4801 deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4802 TRUE, FALSE);
4803 else
4804 EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4805 break;
4806
4807 /* "zn": fold none: reset 'foldenable' */
4808 case 'n': curwin->w_p_fen = FALSE;
4809 break;
4810
4811 /* "zN": fold Normal: set 'foldenable' */
4812 case 'N': curwin->w_p_fen = TRUE;
4813 break;
4814
4815 /* "zi": invert folding: toggle 'foldenable' */
4816 case 'i': curwin->w_p_fen = !curwin->w_p_fen;
4817 break;
4818
4819 /* "za": open closed fold or close open fold at cursor */
4820 case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4821 openFold(curwin->w_cursor.lnum, cap->count1);
4822 else
4823 {
4824 closeFold(curwin->w_cursor.lnum, cap->count1);
4825 curwin->w_p_fen = TRUE;
4826 }
4827 break;
4828
4829 /* "zA": open fold at cursor recursively */
4830 case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4831 openFoldRecurse(curwin->w_cursor.lnum);
4832 else
4833 {
4834 closeFoldRecurse(curwin->w_cursor.lnum);
4835 curwin->w_p_fen = TRUE;
4836 }
4837 break;
4838
4839 /* "zo": open fold at cursor or Visual area */
4840 case 'o': if (VIsual_active)
4841 nv_operator(cap);
4842 else
4843 openFold(curwin->w_cursor.lnum, cap->count1);
4844 break;
4845
4846 /* "zO": open fold recursively */
4847 case 'O': if (VIsual_active)
4848 nv_operator(cap);
4849 else
4850 openFoldRecurse(curwin->w_cursor.lnum);
4851 break;
4852
4853 /* "zc": close fold at cursor or Visual area */
4854 case 'c': if (VIsual_active)
4855 nv_operator(cap);
4856 else
4857 closeFold(curwin->w_cursor.lnum, cap->count1);
4858 curwin->w_p_fen = TRUE;
4859 break;
4860
4861 /* "zC": close fold recursively */
4862 case 'C': if (VIsual_active)
4863 nv_operator(cap);
4864 else
4865 closeFoldRecurse(curwin->w_cursor.lnum);
4866 curwin->w_p_fen = TRUE;
4867 break;
4868
4869 /* "zv": open folds at the cursor */
4870 case 'v': foldOpenCursor();
4871 break;
4872
4873 /* "zx": re-apply 'foldlevel' and open folds at the cursor */
4874 case 'x': curwin->w_p_fen = TRUE;
4875 newFoldLevel(); /* update right now */
4876 foldOpenCursor();
4877 break;
4878
4879 /* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4880 case 'X': curwin->w_p_fen = TRUE;
4881 old_fdl = -1; /* force an update */
4882 break;
4883
4884 /* "zm": fold more */
4885 case 'm': if (curwin->w_p_fdl > 0)
4886 --curwin->w_p_fdl;
4887 old_fdl = -1; /* force an update */
4888 curwin->w_p_fen = TRUE;
4889 break;
4890
4891 /* "zM": close all folds */
4892 case 'M': curwin->w_p_fdl = 0;
4893 old_fdl = -1; /* force an update */
4894 curwin->w_p_fen = TRUE;
4895 break;
4896
4897 /* "zr": reduce folding */
4898 case 'r': ++curwin->w_p_fdl;
4899 break;
4900
4901 /* "zR": open all folds */
4902 case 'R': curwin->w_p_fdl = getDeepestNesting();
4903 old_fdl = -1; /* force an update */
4904 break;
4905
4906 case 'j': /* "zj" move to next fold downwards */
4907 case 'k': /* "zk" move to next fold upwards */
4908 if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4909 cap->count1) == FAIL)
4910 clearopbeep(cap->oap);
4911 break;
4912
4913 #endif /* FEAT_FOLDING */
4914
4915 #ifdef FEAT_SPELL
4916 case 'u': /* "zug" and "zuw": undo "zg" and "zw" */
4917 ++no_mapping;
4918 ++allow_keys; /* no mapping for nchar, but allow key codes */
4919 nchar = safe_vgetc();
4920 #ifdef FEAT_LANGMAP
4921 LANGMAP_ADJUST(nchar, TRUE);
4922 #endif
4923 --no_mapping;
4924 --allow_keys;
4925 #ifdef FEAT_CMDL_INFO
4926 (void)add_to_showcmd(nchar);
4927 #endif
4928 if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
4929 {
4930 clearopbeep(cap->oap);
4931 break;
4932 }
4933 undo = TRUE;
4934 /*FALLTHROUGH*/
4935
4936 case 'g': /* "zg": add good word to word list */
4937 case 'w': /* "zw": add wrong word to word list */
4938 case 'G': /* "zG": add good word to temp word list */
4939 case 'W': /* "zW": add wrong word to temp word list */
4940 {
4941 char_u *ptr = NULL;
4942 int len;
4943
4944 if (checkclearop(cap->oap))
4945 break;
4946 # ifdef FEAT_VISUAL
4947 if (VIsual_active && get_visual_text(cap, &ptr, &len)
4948 == FAIL)
4949 return;
4950 # endif
4951 if (ptr == NULL)
4952 {
4953 pos_T pos = curwin->w_cursor;
4954
4955 /* Find bad word under the cursor. */
4956 len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
4957 if (len != 0 && curwin->w_cursor.col <= pos.col)
4958 ptr = ml_get_pos(&curwin->w_cursor);
4959 curwin->w_cursor = pos;
4960 }
4961
4962 if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
4963 FIND_IDENT)) == 0)
4964 return;
4965 spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
4966 (nchar == 'G' || nchar == 'W')
4967 ? 0 : (int)cap->count1,
4968 undo);
4969 }
4970 break;
4971
4972 case '=': /* "z=": suggestions for a badly spelled word */
4973 if (!checkclearop(cap->oap))
4974 spell_suggest((int)cap->count0);
4975 break;
4976 #endif
4977
4978 default: clearopbeep(cap->oap);
4979 }
4980
4981 #ifdef FEAT_FOLDING
4982 /* Redraw when 'foldenable' changed */
4983 if (old_fen != curwin->w_p_fen)
4984 {
4985 # ifdef FEAT_DIFF
4986 win_T *wp;
4987
4988 if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
4989 {
4990 /* Adjust 'foldenable' in diff-synced windows. */
4991 FOR_ALL_WINDOWS(wp)
4992 {
4993 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
4994 {
4995 wp->w_p_fen = curwin->w_p_fen;
4996 changed_window_setting_win(wp);
4997 }
4998 }
4999 }
5000 # endif
5001 changed_window_setting();
5002 }
5003
5004 /* Redraw when 'foldlevel' changed. */
5005 if (old_fdl != curwin->w_p_fdl)
5006 newFoldLevel();
5007 #endif
5008 }
5009
5010 #ifdef FEAT_GUI
5011 /*
5012 * Vertical scrollbar movement.
5013 */
5014 static void
5015 nv_ver_scrollbar(cap)
5016 cmdarg_T *cap;
5017 {
5018 if (cap->oap->op_type != OP_NOP)
5019 clearopbeep(cap->oap);
5020
5021 /* Even if an operator was pending, we still want to scroll */
5022 gui_do_scroll();
5023 }
5024
5025 /*
5026 * Horizontal scrollbar movement.
5027 */
5028 static void
5029 nv_hor_scrollbar(cap)
5030 cmdarg_T *cap;
5031 {
5032 if (cap->oap->op_type != OP_NOP)
5033 clearopbeep(cap->oap);
5034
5035 /* Even if an operator was pending, we still want to scroll */
5036 gui_do_horiz_scroll();
5037 }
5038 #endif
5039
5040 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5041 /*
5042 * Click in GUI tab.
5043 */
5044 static void
5045 nv_tabline(cap)
5046 cmdarg_T *cap;
5047 {
5048 if (cap->oap->op_type != OP_NOP)
5049 clearopbeep(cap->oap);
5050
5051 /* Even if an operator was pending, we still want to jump tabs. */
5052 goto_tabpage(current_tab);
5053 }
5054
5055 /*
5056 * Selected item in tab line menu.
5057 */
5058 static void
5059 nv_tabmenu(cap)
5060 cmdarg_T *cap;
5061 {
5062 if (cap->oap->op_type != OP_NOP)
5063 clearopbeep(cap->oap);
5064
5065 /* Even if an operator was pending, we still want to jump tabs. */
5066 handle_tabmenu();
5067 }
5068
5069 /*
5070 * Handle selecting an item of the GUI tab line menu.
5071 * Used in Normal and Insert mode.
5072 */
5073 void
5074 handle_tabmenu()
5075 {
5076 switch (current_tabmenu)
5077 {
5078 case TABLINE_MENU_CLOSE:
5079 if (current_tab == 0)
5080 do_cmdline_cmd((char_u *)"tabclose");
5081 else
5082 {
5083 vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5084 current_tab);
5085 do_cmdline_cmd(IObuff);
5086 }
5087 break;
5088
5089 case TABLINE_MENU_NEW:
5090 vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5091 current_tab > 0 ? current_tab - 1 : 999);
5092 do_cmdline_cmd(IObuff);
5093 break;
5094
5095 case TABLINE_MENU_OPEN:
5096 vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5097 current_tab > 0 ? current_tab - 1 : 999);
5098 do_cmdline_cmd(IObuff);
5099 break;
5100 }
5101 }
5102 #endif
5103
5104 /*
5105 * "Q" command.
5106 */
5107 static void
5108 nv_exmode(cap)
5109 cmdarg_T *cap;
5110 {
5111 /*
5112 * Ignore 'Q' in Visual mode, just give a beep.
5113 */
5114 #ifdef FEAT_VISUAL
5115 if (VIsual_active)
5116 vim_beep();
5117 else
5118 #endif
5119 if (!checkclearop(cap->oap))
5120 do_exmode(FALSE);
5121 }
5122
5123 /*
5124 * Handle a ":" command.
5125 */
5126 static void
5127 nv_colon(cap)
5128 cmdarg_T *cap;
5129 {
5130 int old_p_im;
5131
5132 #ifdef FEAT_VISUAL
5133 if (VIsual_active)
5134 nv_operator(cap);
5135 else
5136 #endif
5137 {
5138 if (cap->oap->op_type != OP_NOP)
5139 {
5140 /* Using ":" as a movement is characterwise exclusive. */
5141 cap->oap->motion_type = MCHAR;
5142 cap->oap->inclusive = FALSE;
5143 }
5144 else if (cap->count0)
5145 {
5146 /* translate "count:" into ":.,.+(count - 1)" */
5147 stuffcharReadbuff('.');
5148 if (cap->count0 > 1)
5149 {
5150 stuffReadbuff((char_u *)",.+");
5151 stuffnumReadbuff((long)cap->count0 - 1L);
5152 }
5153 }
5154
5155 /* When typing, don't type below an old message */
5156 if (KeyTyped)
5157 compute_cmdrow();
5158
5159 old_p_im = p_im;
5160
5161 /* get a command line and execute it */
5162 do_cmdline(NULL, getexline, NULL,
5163 cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5164
5165 /* If 'insertmode' changed, enter or exit Insert mode */
5166 if (p_im != old_p_im)
5167 {
5168 if (p_im)
5169 restart_edit = 'i';
5170 else
5171 restart_edit = 0;
5172 }
5173
5174 /* The start of the operator may have become invalid by the Ex
5175 * command. */
5176 if (cap->oap->op_type != OP_NOP
5177 && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5178 || cap->oap->start.col >
5179 STRLEN(ml_get(cap->oap->start.lnum))))
5180 clearopbeep(cap->oap);
5181 }
5182 }
5183
5184 /*
5185 * Handle CTRL-G command.
5186 */
5187 static void
5188 nv_ctrlg(cap)
5189 cmdarg_T *cap;
5190 {
5191 #ifdef FEAT_VISUAL
5192 if (VIsual_active) /* toggle Selection/Visual mode */
5193 {
5194 VIsual_select = !VIsual_select;
5195 showmode();
5196 }
5197 else
5198 #endif
5199 if (!checkclearop(cap->oap))
5200 /* print full name if count given or :cd used */
5201 fileinfo((int)cap->count0, FALSE, TRUE);
5202 }
5203
5204 /*
5205 * Handle CTRL-H <Backspace> command.
5206 */
5207 static void
5208 nv_ctrlh(cap)
5209 cmdarg_T *cap;
5210 {
5211 #ifdef FEAT_VISUAL
5212 if (VIsual_active && VIsual_select)
5213 {
5214 cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */
5215 v_visop(cap);
5216 }
5217 else
5218 #endif
5219 nv_left(cap);
5220 }
5221
5222 /*
5223 * CTRL-L: clear screen and redraw.
5224 */
5225 static void
5226 nv_clear(cap)
5227 cmdarg_T *cap;
5228 {
5229 if (!checkclearop(cap->oap))
5230 {
5231 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5232 /*
5233 * Right now, the BeBox doesn't seem to have an easy way to detect
5234 * window resizing, so we cheat and make the user detect it
5235 * manually with CTRL-L instead
5236 */
5237 ui_get_shellsize();
5238 #endif
5239 #ifdef FEAT_SYN_HL
5240 /* Clear all syntax states to force resyncing. */
5241 syn_stack_free_all(curbuf);
5242 #endif
5243 redraw_later(CLEAR);
5244 }
5245 }
5246
5247 /*
5248 * CTRL-O: In Select mode: switch to Visual mode for one command.
5249 * Otherwise: Go to older pcmark.
5250 */
5251 static void
5252 nv_ctrlo(cap)
5253 cmdarg_T *cap;
5254 {
5255 #ifdef FEAT_VISUAL
5256 if (VIsual_active && VIsual_select)
5257 {
5258 VIsual_select = FALSE;
5259 showmode();
5260 restart_VIsual_select = 2; /* restart Select mode later */
5261 }
5262 else
5263 #endif
5264 {
5265 cap->count1 = -cap->count1;
5266 nv_pcmark(cap);
5267 }
5268 }
5269
5270 /*
5271 * CTRL-^ command, short for ":e #"
5272 */
5273 static void
5274 nv_hat(cap)
5275 cmdarg_T *cap;
5276 {
5277 if (!checkclearopq(cap->oap))
5278 (void)buflist_getfile((int)cap->count0, (linenr_T)0,
5279 GETF_SETMARK|GETF_ALT, FALSE);
5280 }
5281
5282 /*
5283 * "Z" commands.
5284 */
5285 static void
5286 nv_Zet(cap)
5287 cmdarg_T *cap;
5288 {
5289 if (!checkclearopq(cap->oap))
5290 {
5291 switch (cap->nchar)
5292 {
5293 /* "ZZ": equivalent to ":x". */
5294 case 'Z': do_cmdline_cmd((char_u *)"x");
5295 break;
5296
5297 /* "ZQ": equivalent to ":q!" (Elvis compatible). */
5298 case 'Q': do_cmdline_cmd((char_u *)"q!");
5299 break;
5300
5301 default: clearopbeep(cap->oap);
5302 }
5303 }
5304 }
5305
5306 #if defined(FEAT_WINDOWS) || defined(PROTO)
5307 /*
5308 * Call nv_ident() as if "c1" was used, with "c2" as next character.
5309 */
5310 void
5311 do_nv_ident(c1, c2)
5312 int c1;
5313 int c2;
5314 {
5315 oparg_T oa;
5316 cmdarg_T ca;
5317
5318 clear_oparg(&oa);
5319 vim_memset(&ca, 0, sizeof(ca));
5320 ca.oap = &oa;
5321 ca.cmdchar = c1;
5322 ca.nchar = c2;
5323 nv_ident(&ca);
5324 }
5325 #endif
5326
5327 /*
5328 * Handle the commands that use the word under the cursor.
5329 * [g] CTRL-] :ta to current identifier
5330 * [g] 'K' run program for current identifier
5331 * [g] '*' / to current identifier or string
5332 * [g] '#' ? to current identifier or string
5333 * g ']' :tselect for current identifier
5334 */
5335 static void
5336 nv_ident(cap)
5337 cmdarg_T *cap;
5338 {
5339 char_u *ptr = NULL;
5340 char_u *buf;
5341 char_u *p;
5342 char_u *kp; /* value of 'keywordprg' */
5343 int kp_help; /* 'keywordprg' is ":help" */
5344 int n = 0; /* init for GCC */
5345 int cmdchar;
5346 int g_cmd; /* "g" command */
5347 char_u *aux_ptr;
5348 int isman;
5349 int isman_s;
5350
5351 if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */
5352 {
5353 cmdchar = cap->nchar;
5354 g_cmd = TRUE;
5355 }
5356 else
5357 {
5358 cmdchar = cap->cmdchar;
5359 g_cmd = FALSE;
5360 }
5361
5362 if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
5363 cmdchar = '#';
5364
5365 /*
5366 * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5367 */
5368 if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5369 {
5370 #ifdef FEAT_VISUAL
5371 if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5372 return;
5373 #endif
5374 if (checkclearopq(cap->oap))
5375 return;
5376 }
5377
5378 if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5379 (cmdchar == '*' || cmdchar == '#')
5380 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5381 {
5382 clearop(cap->oap);
5383 return;
5384 }
5385
5386 /* Allocate buffer to put the command in. Inserting backslashes can
5387 * double the length of the word. p_kp / curbuf->b_p_kp could be added
5388 * and some numbers. */
5389 kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5390 kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5391 || STRCMP(kp, ":help") == 0);
5392 buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5393 if (buf == NULL)
5394 return;
5395 buf[0] = NUL;
5396
5397 switch (cmdchar)
5398 {
5399 case '*':
5400 case '#':
5401 /*
5402 * Put cursor at start of word, makes search skip the word
5403 * under the cursor.
5404 * Call setpcmark() first, so "*``" puts the cursor back where
5405 * it was.
5406 */
5407 setpcmark();
5408 curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5409
5410 if (!g_cmd && vim_iswordp(ptr))
5411 STRCPY(buf, "\\<");
5412 no_smartcase = TRUE; /* don't use 'smartcase' now */
5413 break;
5414
5415 case 'K':
5416 if (kp_help)
5417 STRCPY(buf, "he! ");
5418 else
5419 {
5420 /* When a count is given, turn it into a range. Is this
5421 * really what we want? */
5422 isman = (STRCMP(kp, "man") == 0);
5423 isman_s = (STRCMP(kp, "man -s") == 0);
5424 if (cap->count0 != 0 && !(isman || isman_s))
5425 sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5426
5427 STRCAT(buf, "! ");
5428 if (cap->count0 == 0 && isman_s)
5429 STRCAT(buf, "man");
5430 else
5431 STRCAT(buf, kp);
5432 STRCAT(buf, " ");
5433 if (cap->count0 != 0 && (isman || isman_s))
5434 {
5435 sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5436 STRCAT(buf, " ");
5437 }
5438 }
5439 break;
5440
5441 case ']':
5442 #ifdef FEAT_CSCOPE
5443 if (p_cst)
5444 STRCPY(buf, "cstag ");
5445 else
5446 #endif
5447 STRCPY(buf, "ts ");
5448 break;
5449
5450 default:
5451 if (curbuf->b_help)
5452 STRCPY(buf, "he! ");
5453 else if (g_cmd)
5454 STRCPY(buf, "tj ");
5455 else
5456 sprintf((char *)buf, "%ldta ", cap->count0);
5457 }
5458
5459 /*
5460 * Now grab the chars in the identifier
5461 */
5462 if (cmdchar == '*')
5463 aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5464 else if (cmdchar == '#')
5465 aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5466 else if (cmdchar == 'K' && !kp_help)
5467 aux_ptr = (char_u *)" \t\\\"|!";
5468 else
5469 /* Don't escape spaces and Tabs in a tag with a backslash */
5470 aux_ptr = (char_u *)"\\|\"";
5471
5472 p = buf + STRLEN(buf);
5473 while (n-- > 0)
5474 {
5475 /* put a backslash before \ and some others */
5476 if (vim_strchr(aux_ptr, *ptr) != NULL)
5477 *p++ = '\\';
5478 #ifdef FEAT_MBYTE
5479 /* When current byte is a part of multibyte character, copy all bytes
5480 * of that character. */
5481 if (has_mbyte)
5482 {
5483 int i;
5484 int len = (*mb_ptr2len)(ptr) - 1;
5485
5486 for (i = 0; i < len && n >= 1; ++i, --n)
5487 *p++ = *ptr++;
5488 }
5489 #endif
5490 *p++ = *ptr++;
5491 }
5492 *p = NUL;
5493
5494 /*
5495 * Execute the command.
5496 */
5497 if (cmdchar == '*' || cmdchar == '#')
5498 {
5499 if (!g_cmd && (
5500 #ifdef FEAT_MBYTE
5501 has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5502 #endif
5503 vim_iswordc(ptr[-1])))
5504 STRCAT(buf, "\\>");
5505 #ifdef FEAT_CMDHIST
5506 /* put pattern in search history */
5507 add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5508 #endif
5509 normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5510 }
5511 else
5512 do_cmdline_cmd(buf);
5513
5514 vim_free(buf);
5515 }
5516
5517 #if defined(FEAT_VISUAL) || defined(PROTO)
5518 /*
5519 * Get visually selected text, within one line only.
5520 * Returns FAIL if more than one line selected.
5521 */
5522 int
5523 get_visual_text(cap, pp, lenp)
5524 cmdarg_T *cap;
5525 char_u **pp; /* return: start of selected text */
5526 int *lenp; /* return: length of selected text */
5527 {
5528 if (VIsual_mode != 'V')
5529 unadjust_for_sel();
5530 if (VIsual.lnum != curwin->w_cursor.lnum)
5531 {
5532 if (cap != NULL)
5533 clearopbeep(cap->oap);
5534 return FAIL;
5535 }
5536 if (VIsual_mode == 'V')
5537 {
5538 *pp = ml_get_curline();
5539 *lenp = (int)STRLEN(*pp);
5540 }
5541 else
5542 {
5543 if (lt(curwin->w_cursor, VIsual))
5544 {
5545 *pp = ml_get_pos(&curwin->w_cursor);
5546 *lenp = VIsual.col - curwin->w_cursor.col + 1;
5547 }
5548 else
5549 {
5550 *pp = ml_get_pos(&VIsual);
5551 *lenp = curwin->w_cursor.col - VIsual.col + 1;
5552 }
5553 #ifdef FEAT_MBYTE
5554 if (has_mbyte)
5555 /* Correct the length to include the whole last character. */
5556 *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5557 #endif
5558 }
5559 reset_VIsual_and_resel();
5560 return OK;
5561 }
5562 #endif
5563
5564 /*
5565 * CTRL-T: backwards in tag stack
5566 */
5567 static void
5568 nv_tagpop(cap)
5569 cmdarg_T *cap;
5570 {
5571 if (!checkclearopq(cap->oap))
5572 do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5573 }
5574
5575 /*
5576 * Handle scrolling command 'H', 'L' and 'M'.
5577 */
5578 static void
5579 nv_scroll(cap)
5580 cmdarg_T *cap;
5581 {
5582 int used = 0;
5583 long n;
5584 #ifdef FEAT_FOLDING
5585 linenr_T lnum;
5586 #endif
5587 int half;
5588
5589 cap->oap->motion_type = MLINE;
5590 setpcmark();
5591
5592 if (cap->cmdchar == 'L')
5593 {
5594 validate_botline(); /* make sure curwin->w_botline is valid */
5595 curwin->w_cursor.lnum = curwin->w_botline - 1;
5596 if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5597 curwin->w_cursor.lnum = 1;
5598 else
5599 {
5600 #ifdef FEAT_FOLDING
5601 if (hasAnyFolding(curwin))
5602 {
5603 /* Count a fold for one screen line. */
5604 for (n = cap->count1 - 1; n > 0
5605 && curwin->w_cursor.lnum > curwin->w_topline; --n)
5606 {
5607 (void)hasFolding(curwin->w_cursor.lnum,
5608 &curwin->w_cursor.lnum, NULL);
5609 --curwin->w_cursor.lnum;
5610 }
5611 }
5612 else
5613 #endif
5614 curwin->w_cursor.lnum -= cap->count1 - 1;
5615 }
5616 }
5617 else
5618 {
5619 if (cap->cmdchar == 'M')
5620 {
5621 #ifdef FEAT_DIFF
5622 /* Don't count filler lines above the window. */
5623 used -= diff_check_fill(curwin, curwin->w_topline)
5624 - curwin->w_topfill;
5625 #endif
5626 validate_botline(); /* make sure w_empty_rows is valid */
5627 half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5628 for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5629 {
5630 #ifdef FEAT_DIFF
5631 /* Count half he number of filler lines to be "below this
5632 * line" and half to be "above the next line". */
5633 if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5634 + n) / 2 >= half)
5635 {
5636 --n;
5637 break;
5638 }
5639 #endif
5640 used += plines(curwin->w_topline + n);
5641 if (used >= half)
5642 break;
5643 #ifdef FEAT_FOLDING
5644 if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5645 n = lnum - curwin->w_topline;
5646 #endif
5647 }
5648 if (n > 0 && used > curwin->w_height)
5649 --n;
5650 }
5651 else /* (cap->cmdchar == 'H') */
5652 {
5653 n = cap->count1 - 1;
5654 #ifdef FEAT_FOLDING
5655 if (hasAnyFolding(curwin))
5656 {
5657 /* Count a fold for one screen line. */
5658 lnum = curwin->w_topline;
5659 while (n-- > 0 && lnum < curwin->w_botline - 1)
5660 {
5661 hasFolding(lnum, NULL, &lnum);
5662 ++lnum;
5663 }
5664 n = lnum - curwin->w_topline;
5665 }
5666 #endif
5667 }
5668 curwin->w_cursor.lnum = curwin->w_topline + n;
5669 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5670 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5671 }
5672
5673 cursor_correct(); /* correct for 'so' */
5674 beginline(BL_SOL | BL_FIX);
5675 }
5676
5677 /*
5678 * Cursor right commands.
5679 */
5680 static void
5681 nv_right(cap)
5682 cmdarg_T *cap;
5683 {
5684 long n;
5685 #ifdef FEAT_VISUAL
5686 int PAST_LINE;
5687 #else
5688 # define PAST_LINE 0
5689 #endif
5690
5691 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5692 {
5693 /* <C-Right> and <S-Right> move a word or WORD right */
5694 if (mod_mask & MOD_MASK_CTRL)
5695 cap->arg = TRUE;
5696 nv_wordcmd(cap);
5697 return;
5698 }
5699
5700 cap->oap->motion_type = MCHAR;
5701 cap->oap->inclusive = FALSE;
5702 #ifdef FEAT_VISUAL
5703 PAST_LINE = (VIsual_active && *p_sel != 'o');
5704
5705 # ifdef FEAT_VIRTUALEDIT
5706 /*
5707 * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5708 * (theoretically) infinitely long.
5709 */
5710 if (virtual_active())
5711 PAST_LINE = 0;
5712 # endif
5713 #endif
5714
5715 for (n = cap->count1; n > 0; --n)
5716 {
5717 if ((!PAST_LINE && oneright() == FAIL)
5718 || (PAST_LINE && *ml_get_cursor() == NUL))
5719 {
5720 /*
5721 * <Space> wraps to next line if 'whichwrap' has 's'.
5722 * 'l' wraps to next line if 'whichwrap' has 'l'.
5723 * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5724 */
5725 if ( ((cap->cmdchar == ' '
5726 && vim_strchr(p_ww, 's') != NULL)
5727 || (cap->cmdchar == 'l'
5728 && vim_strchr(p_ww, 'l') != NULL)
5729 || (cap->cmdchar == K_RIGHT
5730 && vim_strchr(p_ww, '>') != NULL))
5731 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5732 {
5733 /* When deleting we also count the NL as a character.
5734 * Set cap->oap->inclusive when last char in the line is
5735 * included, move to next line after that */
5736 if ( cap->oap->op_type != OP_NOP
5737 && !cap->oap->inclusive
5738 && !lineempty(curwin->w_cursor.lnum))
5739 cap->oap->inclusive = TRUE;
5740 else
5741 {
5742 ++curwin->w_cursor.lnum;
5743 curwin->w_cursor.col = 0;
5744 #ifdef FEAT_VIRTUALEDIT
5745 curwin->w_cursor.coladd = 0;
5746 #endif
5747 curwin->w_set_curswant = TRUE;
5748 cap->oap->inclusive = FALSE;
5749 }
5750 continue;
5751 }
5752 if (cap->oap->op_type == OP_NOP)
5753 {
5754 /* Only beep and flush if not moved at all */
5755 if (n == cap->count1)
5756 beep_flush();
5757 }
5758 else
5759 {
5760 if (!lineempty(curwin->w_cursor.lnum))
5761 cap->oap->inclusive = TRUE;
5762 }
5763 break;
5764 }
5765 #ifdef FEAT_VISUAL
5766 else if (PAST_LINE)
5767 {
5768 curwin->w_set_curswant = TRUE;
5769 # ifdef FEAT_VIRTUALEDIT
5770 if (virtual_active())
5771 oneright();
5772 else
5773 # endif
5774 {
5775 # ifdef FEAT_MBYTE
5776 if (has_mbyte)
5777 curwin->w_cursor.col +=
5778 (*mb_ptr2len)(ml_get_cursor());
5779 else
5780 # endif
5781 ++curwin->w_cursor.col;
5782 }
5783 }
5784 #endif
5785 }
5786 #ifdef FEAT_FOLDING
5787 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5788 && cap->oap->op_type == OP_NOP)
5789 foldOpenCursor();
5790 #endif
5791 }
5792
5793 /*
5794 * Cursor left commands.
5795 *
5796 * Returns TRUE when operator end should not be adjusted.
5797 */
5798 static void
5799 nv_left(cap)
5800 cmdarg_T *cap;
5801 {
5802 long n;
5803
5804 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5805 {
5806 /* <C-Left> and <S-Left> move a word or WORD left */
5807 if (mod_mask & MOD_MASK_CTRL)
5808 cap->arg = 1;
5809 nv_bck_word(cap);
5810 return;
5811 }
5812
5813 cap->oap->motion_type = MCHAR;
5814 cap->oap->inclusive = FALSE;
5815 for (n = cap->count1; n > 0; --n)
5816 {
5817 if (oneleft() == FAIL)
5818 {
5819 /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5820 * 'h' wraps to previous line if 'whichwrap' has 'h'.
5821 * CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5822 */
5823 if ( (((cap->cmdchar == K_BS
5824 || cap->cmdchar == Ctrl_H)
5825 && vim_strchr(p_ww, 'b') != NULL)
5826 || (cap->cmdchar == 'h'
5827 && vim_strchr(p_ww, 'h') != NULL)
5828 || (cap->cmdchar == K_LEFT
5829 && vim_strchr(p_ww, '<') != NULL))
5830 && curwin->w_cursor.lnum > 1)
5831 {
5832 --(curwin->w_cursor.lnum);
5833 coladvance((colnr_T)MAXCOL);
5834 curwin->w_set_curswant = TRUE;
5835
5836 /* When the NL before the first char has to be deleted we
5837 * put the cursor on the NUL after the previous line.
5838 * This is a very special case, be careful!
5839 * don't adjust op_end now, otherwise it won't work */
5840 if ( (cap->oap->op_type == OP_DELETE
5841 || cap->oap->op_type == OP_CHANGE)
5842 && !lineempty(curwin->w_cursor.lnum))
5843 {
5844 ++curwin->w_cursor.col;
5845 cap->retval |= CA_NO_ADJ_OP_END;
5846 }
5847 continue;
5848 }
5849 /* Only beep and flush if not moved at all */
5850 else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5851 beep_flush();
5852 break;
5853 }
5854 }
5855 #ifdef FEAT_FOLDING
5856 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5857 && cap->oap->op_type == OP_NOP)
5858 foldOpenCursor();
5859 #endif
5860 }
5861
5862 /*
5863 * Cursor up commands.
5864 * cap->arg is TRUE for "-": Move cursor to first non-blank.
5865 */
5866 static void
5867 nv_up(cap)
5868 cmdarg_T *cap;
5869 {
5870 if (mod_mask & MOD_MASK_SHIFT)
5871 {
5872 /* <S-Up> is page up */
5873 cap->arg = BACKWARD;
5874 nv_page(cap);
5875 }
5876 else
5877 {
5878 cap->oap->motion_type = MLINE;
5879 if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5880 clearopbeep(cap->oap);
5881 else if (cap->arg)
5882 beginline(BL_WHITE | BL_FIX);
5883 }
5884 }
5885
5886 /*
5887 * Cursor down commands.
5888 * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5889 */
5890 static void
5891 nv_down(cap)
5892 cmdarg_T *cap;
5893 {
5894 if (mod_mask & MOD_MASK_SHIFT)
5895 {
5896 /* <S-Down> is page down */
5897 cap->arg = FORWARD;
5898 nv_page(cap);
5899 }
5900 else
5901 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
5902 /* In a quickfix window a <CR> jumps to the error under the cursor. */
5903 if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
5904 if (curwin->w_llist_ref == NULL)
5905 do_cmdline_cmd((char_u *)".cc"); /* quickfix window */
5906 else
5907 do_cmdline_cmd((char_u *)".ll"); /* location list window */
5908 else
5909 #endif
5910 {
5911 #ifdef FEAT_CMDWIN
5912 /* In the cmdline window a <CR> executes the command. */
5913 if (cmdwin_type != 0 && cap->cmdchar == CAR)
5914 cmdwin_result = CAR;
5915 else
5916 #endif
5917 {
5918 cap->oap->motion_type = MLINE;
5919 if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5920 clearopbeep(cap->oap);
5921 else if (cap->arg)
5922 beginline(BL_WHITE | BL_FIX);
5923 }
5924 }
5925 }
5926
5927 #ifdef FEAT_SEARCHPATH
5928 /*
5929 * Grab the file name under the cursor and edit it.
5930 */
5931 static void
5932 nv_gotofile(cap)
5933 cmdarg_T *cap;
5934 {
5935 char_u *ptr;
5936 linenr_T lnum = -1;
5937
5938 if (text_locked())
5939 {
5940 clearopbeep(cap->oap);
5941 text_locked_msg();
5942 return;
5943 }
5944 #ifdef FEAT_AUTOCMD
5945 if (curbuf_locked())
5946 {
5947 clearop(cap->oap);
5948 return;
5949 }
5950 #endif
5951
5952 ptr = grab_file_name(cap->count1, &lnum);
5953
5954 if (ptr != NULL)
5955 {
5956 /* do autowrite if necessary */
5957 if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
5958 autowrite(curbuf, FALSE);
5959 setpcmark();
5960 (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
5961 P_HID(curbuf) ? ECMD_HIDE : 0);
5962 if (cap->nchar == 'F' && lnum >= 0)
5963 {
5964 curwin->w_cursor.lnum = lnum;
5965 check_cursor_lnum();
5966 beginline(BL_SOL | BL_FIX);
5967 }
5968 vim_free(ptr);
5969 }
5970 else
5971 clearop(cap->oap);
5972 }
5973 #endif
5974
5975 /*
5976 * <End> command: to end of current line or last line.
5977 */
5978 static void
5979 nv_end(cap)
5980 cmdarg_T *cap;
5981 {
5982 if (cap->arg || (mod_mask & MOD_MASK_CTRL)) /* CTRL-END = goto last line */
5983 {
5984 cap->arg = TRUE;
5985 nv_goto(cap);
5986 cap->count1 = 1; /* to end of current line */
5987 }
5988 nv_dollar(cap);
5989 }
5990
5991 /*
5992 * Handle the "$" command.
5993 */
5994 static void
5995 nv_dollar(cap)
5996 cmdarg_T *cap;
5997 {
5998 cap->oap->motion_type = MCHAR;
5999 cap->oap->inclusive = TRUE;
6000 #ifdef FEAT_VIRTUALEDIT
6001 /* In virtual mode when off the edge of a line and an operator
6002 * is pending (whew!) keep the cursor where it is.
6003 * Otherwise, send it to the end of the line. */
6004 if (!virtual_active() || gchar_cursor() != NUL
6005 || cap->oap->op_type == OP_NOP)
6006 #endif
6007 curwin->w_curswant = MAXCOL; /* so we stay at the end */
6008 if (cursor_down((long)(cap->count1 - 1),
6009 cap->oap->op_type == OP_NOP) == FAIL)
6010 clearopbeep(cap->oap);
6011 #ifdef FEAT_FOLDING
6012 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6013 foldOpenCursor();
6014 #endif
6015 }
6016
6017 /*
6018 * Implementation of '?' and '/' commands.
6019 * If cap->arg is TRUE don't set PC mark.
6020 */
6021 static void
6022 nv_search(cap)
6023 cmdarg_T *cap;
6024 {
6025 oparg_T *oap = cap->oap;
6026
6027 if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6028 {
6029 /* Translate "g??" to "g?g?" */
6030 cap->cmdchar = 'g';
6031 cap->nchar = '?';
6032 nv_operator(cap);
6033 return;
6034 }
6035
6036 cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6037
6038 if (cap->searchbuf == NULL)
6039 {
6040 clearop(oap);
6041 return;
6042 }
6043
6044 normal_search(cap, cap->cmdchar, cap->searchbuf,
6045 (cap->arg ? 0 : SEARCH_MARK));
6046 }
6047
6048 /*
6049 * Handle "N" and "n" commands.
6050 * cap->arg is SEARCH_REV for "N", 0 for "n".
6051 */
6052 static void
6053 nv_next(cap)
6054 cmdarg_T *cap;
6055 {
6056 normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6057 }
6058
6059 /*
6060 * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6061 * Uses only cap->count1 and cap->oap from "cap".
6062 */
6063 static void
6064 normal_search(cap, dir, pat, opt)
6065 cmdarg_T *cap;
6066 int dir;
6067 char_u *pat;
6068 int opt; /* extra flags for do_search() */
6069 {
6070 int i;
6071
6072 cap->oap->motion_type = MCHAR;
6073 cap->oap->inclusive = FALSE;
6074 cap->oap->use_reg_one = TRUE;
6075 curwin->w_set_curswant = TRUE;
6076
6077 i = do_search(cap->oap, dir, pat, cap->count1,
6078 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG);
6079 if (i == 0)
6080 clearop(cap->oap);
6081 else
6082 {
6083 if (i == 2)
6084 cap->oap->motion_type = MLINE;
6085 #ifdef FEAT_VIRTUALEDIT
6086 curwin->w_cursor.coladd = 0;
6087 #endif
6088 #ifdef FEAT_FOLDING
6089 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6090 foldOpenCursor();
6091 #endif
6092 }
6093
6094 /* "/$" will put the cursor after the end of the line, may need to
6095 * correct that here */
6096 check_cursor();
6097 }
6098
6099 /*
6100 * Character search commands.
6101 * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6102 * ',' and FALSE for ';'.
6103 * cap->nchar is NUL for ',' and ';' (repeat the search)
6104 */
6105 static void
6106 nv_csearch(cap)
6107 cmdarg_T *cap;
6108 {
6109 int t_cmd;
6110
6111 if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6112 t_cmd = TRUE;
6113 else
6114 t_cmd = FALSE;
6115
6116 cap->oap->motion_type = MCHAR;
6117 if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6118 clearopbeep(cap->oap);
6119 else
6120 {
6121 curwin->w_set_curswant = TRUE;
6122 #ifdef FEAT_VIRTUALEDIT
6123 /* Include a Tab for "tx" and for "dfx". */
6124 if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6125 && (t_cmd || cap->oap->op_type != OP_NOP))
6126 {
6127 colnr_T scol, ecol;
6128
6129 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6130 curwin->w_cursor.coladd = ecol - scol;
6131 }
6132 else
6133 curwin->w_cursor.coladd = 0;
6134 #endif
6135 #ifdef FEAT_VISUAL
6136 adjust_for_sel(cap);
6137 #endif
6138 #ifdef FEAT_FOLDING
6139 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6140 foldOpenCursor();
6141 #endif
6142 }
6143 }
6144
6145 /*
6146 * "[" and "]" commands.
6147 * cap->arg is BACKWARD for "[" and FORWARD for "]".
6148 */
6149 static void
6150 nv_brackets(cap)
6151 cmdarg_T *cap;
6152 {
6153 pos_T new_pos;
6154 pos_T prev_pos;
6155 pos_T *pos = NULL; /* init for GCC */
6156 pos_T old_pos; /* cursor position before command */
6157 int flag;
6158 long n;
6159 int findc;
6160 int c;
6161
6162 cap->oap->motion_type = MCHAR;
6163 cap->oap->inclusive = FALSE;
6164 old_pos = curwin->w_cursor;
6165 #ifdef FEAT_VIRTUALEDIT
6166 curwin->w_cursor.coladd = 0; /* TODO: don't do this for an error. */
6167 #endif
6168
6169 #ifdef FEAT_SEARCHPATH
6170 /*
6171 * "[f" or "]f" : Edit file under the cursor (same as "gf")
6172 */
6173 if (cap->nchar == 'f')
6174 nv_gotofile(cap);
6175 else
6176 #endif
6177
6178 #ifdef FEAT_FIND_ID
6179 /*
6180 * Find the occurrence(s) of the identifier or define under cursor
6181 * in current and included files or jump to the first occurrence.
6182 *
6183 * search list jump
6184 * fwd bwd fwd bwd fwd bwd
6185 * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
6186 * define "]d" "[d" "]D" "[D" "]^D" "[^D"
6187 */
6188 if (vim_strchr((char_u *)
6189 #ifdef EBCDIC
6190 "iI\005dD\067",
6191 #else
6192 "iI\011dD\004",
6193 #endif
6194 cap->nchar) != NULL)
6195 {
6196 char_u *ptr;
6197 int len;
6198
6199 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6200 clearop(cap->oap);
6201 else
6202 {
6203 find_pattern_in_path(ptr, 0, len, TRUE,
6204 cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6205 ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
6206 cap->count1,
6207 isupper(cap->nchar) ? ACTION_SHOW_ALL :
6208 islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6209 cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6210 (linenr_T)MAXLNUM);
6211 curwin->w_set_curswant = TRUE;
6212 }
6213 }
6214 else
6215 #endif
6216
6217 /*
6218 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6219 * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6220 * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6221 * "[m" or "]m" search for prev/next start of (Java) method.
6222 * "[M" or "]M" search for prev/next end of (Java) method.
6223 */
6224 if ( (cap->cmdchar == '['
6225 && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6226 || (cap->cmdchar == ']'
6227 && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6228 {
6229 if (cap->nchar == '*')
6230 cap->nchar = '/';
6231 new_pos.lnum = 0;
6232 prev_pos.lnum = 0;
6233 if (cap->nchar == 'm' || cap->nchar == 'M')
6234 {
6235 if (cap->cmdchar == '[')
6236 findc = '{';
6237 else
6238 findc = '}';
6239 n = 9999;
6240 }
6241 else
6242 {
6243 findc = cap->nchar;
6244 n = cap->count1;
6245 }
6246 for ( ; n > 0; --n)
6247 {
6248 if ((pos = findmatchlimit(cap->oap, findc,
6249 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6250 {
6251 if (new_pos.lnum == 0) /* nothing found */
6252 {
6253 if (cap->nchar != 'm' && cap->nchar != 'M')
6254 clearopbeep(cap->oap);
6255 }
6256 else
6257 pos = &new_pos; /* use last one found */
6258 break;
6259 }
6260 prev_pos = new_pos;
6261 curwin->w_cursor = *pos;
6262 new_pos = *pos;
6263 }
6264 curwin->w_cursor = old_pos;
6265
6266 /*
6267 * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
6268 * brought us to the match for "[m" and "]M" when inside a method.
6269 * Try finding the '{' or '}' we want to be at.
6270 * Also repeat for the given count.
6271 */
6272 if (cap->nchar == 'm' || cap->nchar == 'M')
6273 {
6274 /* norm is TRUE for "]M" and "[m" */
6275 int norm = ((findc == '{') == (cap->nchar == 'm'));
6276
6277 n = cap->count1;
6278 /* found a match: we were inside a method */
6279 if (prev_pos.lnum != 0)
6280 {
6281 pos = &prev_pos;
6282 curwin->w_cursor = prev_pos;
6283 if (norm)
6284 --n;
6285 }
6286 else
6287 pos = NULL;
6288 while (n > 0)
6289 {
6290 for (;;)
6291 {
6292 if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6293 {
6294 /* if not found anything, that's an error */
6295 if (pos == NULL)
6296 clearopbeep(cap->oap);
6297 n = 0;
6298 break;
6299 }
6300 c = gchar_cursor();
6301 if (c == '{' || c == '}')
6302 {
6303 /* Must have found end/start of class: use it.
6304 * Or found the place to be at. */
6305 if ((c == findc && norm) || (n == 1 && !norm))
6306 {
6307 new_pos = curwin->w_cursor;
6308 pos = &new_pos;
6309 n = 0;
6310 }
6311 /* if no match found at all, we started outside of the
6312 * class and we're inside now. Just go on. */
6313 else if (new_pos.lnum == 0)
6314 {
6315 new_pos = curwin->w_cursor;
6316 pos = &new_pos;
6317 }
6318 /* found start/end of other method: go to match */
6319 else if ((pos = findmatchlimit(cap->oap, findc,
6320 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6321 0)) == NULL)
6322 n = 0;
6323 else
6324 curwin->w_cursor = *pos;
6325 break;
6326 }
6327 }
6328 --n;
6329 }
6330 curwin->w_cursor = old_pos;
6331 if (pos == NULL && new_pos.lnum != 0)
6332 clearopbeep(cap->oap);
6333 }
6334 if (pos != NULL)
6335 {
6336 setpcmark();
6337 curwin->w_cursor = *pos;
6338 curwin->w_set_curswant = TRUE;
6339 #ifdef FEAT_FOLDING
6340 if ((fdo_flags & FDO_BLOCK) && KeyTyped
6341 && cap->oap->op_type == OP_NOP)
6342 foldOpenCursor();
6343 #endif
6344 }
6345 }
6346
6347 /*
6348 * "[[", "[]", "]]" and "][": move to start or end of function
6349 */
6350 else if (cap->nchar == '[' || cap->nchar == ']')
6351 {
6352 if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */
6353 flag = '{';
6354 else
6355 flag = '}'; /* "][" or "[]" */
6356
6357 curwin->w_set_curswant = TRUE;
6358 /*
6359 * Imitate strange Vi behaviour: When using "]]" with an operator
6360 * we also stop at '}'.
6361 */
6362 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6363 (cap->oap->op_type != OP_NOP
6364 && cap->arg == FORWARD && flag == '{')))
6365 clearopbeep(cap->oap);
6366 else
6367 {
6368 if (cap->oap->op_type == OP_NOP)
6369 beginline(BL_WHITE | BL_FIX);
6370 #ifdef FEAT_FOLDING
6371 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6372 foldOpenCursor();
6373 #endif
6374 }
6375 }
6376
6377 /*
6378 * "[p", "[P", "]P" and "]p": put with indent adjustment
6379 */
6380 else if (cap->nchar == 'p' || cap->nchar == 'P')
6381 {
6382 if (!checkclearop(cap->oap))
6383 {
6384 prep_redo_cmd(cap);
6385 do_put(cap->oap->regname,
6386 (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6387 cap->count1, PUT_FIXINDENT);
6388 }
6389 }
6390
6391 /*
6392 * "['", "[`", "]'" and "]`": jump to next mark
6393 */
6394 else if (cap->nchar == '\'' || cap->nchar == '`')
6395 {
6396 pos = &curwin->w_cursor;
6397 for (n = cap->count1; n > 0; --n)
6398 {
6399 prev_pos = *pos;
6400 pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6401 cap->nchar == '\'');
6402 if (pos == NULL)
6403 break;
6404 }
6405 if (pos == NULL)
6406 pos = &prev_pos;
6407 nv_cursormark(cap, cap->nchar == '\'', pos);
6408 }
6409
6410 #ifdef FEAT_MOUSE
6411 /*
6412 * [ or ] followed by a middle mouse click: put selected text with
6413 * indent adjustment. Any other button just does as usual.
6414 */
6415 else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
6416 {
6417 (void)do_mouse(cap->oap, cap->nchar,
6418 (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6419 cap->count1, PUT_FIXINDENT);
6420 }
6421 #endif /* FEAT_MOUSE */
6422
6423 #ifdef FEAT_FOLDING
6424 /*
6425 * "[z" and "]z": move to start or end of open fold.
6426 */
6427 else if (cap->nchar == 'z')
6428 {
6429 if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6430 cap->count1) == FAIL)
6431 clearopbeep(cap->oap);
6432 }
6433 #endif
6434
6435 #ifdef FEAT_DIFF
6436 /*
6437 * "[c" and "]c": move to next or previous diff-change.
6438 */
6439 else if (cap->nchar == 'c')
6440 {
6441 if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6442 cap->count1) == FAIL)
6443 clearopbeep(cap->oap);
6444 }
6445 #endif
6446
6447 #ifdef FEAT_SPELL
6448 /*
6449 * "[s", "[S", "]s" and "]S": move to next spell error.
6450 */
6451 else if (cap->nchar == 's' || cap->nchar == 'S')
6452 {
6453 setpcmark();
6454 for (n = 0; n < cap->count1; ++n)
6455 if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6456 cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6457 {
6458 clearopbeep(cap->oap);
6459 break;
6460 }
6461 # ifdef FEAT_FOLDING
6462 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6463 foldOpenCursor();
6464 # endif
6465 }
6466 #endif
6467
6468 /* Not a valid cap->nchar. */
6469 else
6470 clearopbeep(cap->oap);
6471 }
6472
6473 /*
6474 * Handle Normal mode "%" command.
6475 */
6476 static void
6477 nv_percent(cap)
6478 cmdarg_T *cap;
6479 {
6480 pos_T *pos;
6481 #ifdef FEAT_FOLDING
6482 linenr_T lnum = curwin->w_cursor.lnum;
6483 #endif
6484
6485 cap->oap->inclusive = TRUE;
6486 if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */
6487 {
6488 if (cap->count0 > 100)
6489 clearopbeep(cap->oap);
6490 else
6491 {
6492 cap->oap->motion_type = MLINE;
6493 setpcmark();
6494 /* Round up, so CTRL-G will give same value. Watch out for a
6495 * large line count, the line number must not go negative! */
6496 if (curbuf->b_ml.ml_line_count > 1000000)
6497 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6498 / 100L * cap->count0;
6499 else
6500 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6501 cap->count0 + 99L) / 100L;
6502 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6503 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6504 beginline(BL_SOL | BL_FIX);
6505 }
6506 }
6507 else /* "%" : go to matching paren */
6508 {
6509 cap->oap->motion_type = MCHAR;
6510 cap->oap->use_reg_one = TRUE;
6511 if ((pos = findmatch(cap->oap, NUL)) == NULL)
6512 clearopbeep(cap->oap);
6513 else
6514 {
6515 setpcmark();
6516 curwin->w_cursor = *pos;
6517 curwin->w_set_curswant = TRUE;
6518 #ifdef FEAT_VIRTUALEDIT
6519 curwin->w_cursor.coladd = 0;
6520 #endif
6521 #ifdef FEAT_VISUAL
6522 adjust_for_sel(cap);
6523 #endif
6524 }
6525 }
6526 #ifdef FEAT_FOLDING
6527 if (cap->oap->op_type == OP_NOP
6528 && lnum != curwin->w_cursor.lnum
6529 && (fdo_flags & FDO_PERCENT)
6530 && KeyTyped)
6531 foldOpenCursor();
6532 #endif
6533 }
6534
6535 /*
6536 * Handle "(" and ")" commands.
6537 * cap->arg is BACKWARD for "(" and FORWARD for ")".
6538 */
6539 static void
6540 nv_brace(cap)
6541 cmdarg_T *cap;
6542 {
6543 cap->oap->motion_type = MCHAR;
6544 cap->oap->use_reg_one = TRUE;
6545 /* The motion used to be inclusive for "(", but that is not what Vi does. */
6546 cap->oap->inclusive = FALSE;
6547 curwin->w_set_curswant = TRUE;
6548
6549 if (findsent(cap->arg, cap->count1) == FAIL)
6550 clearopbeep(cap->oap);
6551 else
6552 {
6553 #ifdef FEAT_VIRTUALEDIT
6554 curwin->w_cursor.coladd = 0;
6555 #endif
6556 #ifdef FEAT_FOLDING
6557 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6558 foldOpenCursor();
6559 #endif
6560 }
6561 }
6562
6563 /*
6564 * "m" command: Mark a position.
6565 */
6566 static void
6567 nv_mark(cap)
6568 cmdarg_T *cap;
6569 {
6570 if (!checkclearop(cap->oap))
6571 {
6572 if (setmark(cap->nchar) == FAIL)
6573 clearopbeep(cap->oap);
6574 }
6575 }
6576
6577 /*
6578 * "{" and "}" commands.
6579 * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6580 */
6581 static void
6582 nv_findpar(cap)
6583 cmdarg_T *cap;
6584 {
6585 cap->oap->motion_type = MCHAR;
6586 cap->oap->inclusive = FALSE;
6587 cap->oap->use_reg_one = TRUE;
6588 curwin->w_set_curswant = TRUE;
6589 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6590 clearopbeep(cap->oap);
6591 else
6592 {
6593 #ifdef FEAT_VIRTUALEDIT
6594 curwin->w_cursor.coladd = 0;
6595 #endif
6596 #ifdef FEAT_FOLDING
6597 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6598 foldOpenCursor();
6599 #endif
6600 }
6601 }
6602
6603 /*
6604 * "u" command: Undo or make lower case.
6605 */
6606 static void
6607 nv_undo(cap)
6608 cmdarg_T *cap;
6609 {
6610 if (cap->oap->op_type == OP_LOWER
6611 #ifdef FEAT_VISUAL
6612 || VIsual_active
6613 #endif
6614 )
6615 {
6616 /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6617 cap->cmdchar = 'g';
6618 cap->nchar = 'u';
6619 nv_operator(cap);
6620 }
6621 else
6622 nv_kundo(cap);
6623 }
6624
6625 /*
6626 * <Undo> command.
6627 */
6628 static void
6629 nv_kundo(cap)
6630 cmdarg_T *cap;
6631 {
6632 if (!checkclearopq(cap->oap))
6633 {
6634 u_undo((int)cap->count1);
6635 curwin->w_set_curswant = TRUE;
6636 }
6637 }
6638
6639 /*
6640 * Handle the "r" command.
6641 */
6642 static void
6643 nv_replace(cap)
6644 cmdarg_T *cap;
6645 {
6646 char_u *ptr;
6647 int had_ctrl_v;
6648 long n;
6649
6650 if (checkclearop(cap->oap))
6651 return;
6652
6653 /* get another character */
6654 if (cap->nchar == Ctrl_V)
6655 {
6656 had_ctrl_v = Ctrl_V;
6657 cap->nchar = get_literal();
6658 /* Don't redo a multibyte character with CTRL-V. */
6659 if (cap->nchar > DEL)
6660 had_ctrl_v = NUL;
6661 }
6662 else
6663 had_ctrl_v = NUL;
6664
6665 #ifdef FEAT_VISUAL
6666 /* Visual mode "r" */
6667 if (VIsual_active)
6668 {
6669 nv_operator(cap);
6670 return;
6671 }
6672 #endif
6673
6674 #ifdef FEAT_VIRTUALEDIT
6675 /* Break tabs, etc. */
6676 if (virtual_active())
6677 {
6678 if (u_save_cursor() == FAIL)
6679 return;
6680 if (gchar_cursor() == NUL)
6681 {
6682 /* Add extra space and put the cursor on the first one. */
6683 coladvance_force((colnr_T)(getviscol() + cap->count1));
6684 curwin->w_cursor.col -= cap->count1;
6685 }
6686 else if (gchar_cursor() == TAB)
6687 coladvance_force(getviscol());
6688 }
6689 #endif
6690
6691 /*
6692 * Check for a special key or not enough characters to replace.
6693 */
6694 ptr = ml_get_cursor();
6695 if (IS_SPECIAL(cap->nchar) || STRLEN(ptr) < (unsigned)cap->count1
6696 #ifdef FEAT_MBYTE
6697 || (has_mbyte && mb_charlen(ptr) < cap->count1)
6698 #endif
6699 )
6700 {
6701 clearopbeep(cap->oap);
6702 return;
6703 }
6704
6705 /*
6706 * Replacing with a TAB is done by edit() when it is complicated because
6707 * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
6708 * Other characters are done below to avoid problems with things like
6709 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6710 */
6711 if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6712 {
6713 stuffnumReadbuff(cap->count1);
6714 stuffcharReadbuff('R');
6715 stuffcharReadbuff('\t');
6716 stuffcharReadbuff(ESC);
6717 return;
6718 }
6719
6720 /* save line for undo */
6721 if (u_save_cursor() == FAIL)
6722 return;
6723
6724 if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6725 {
6726 /*
6727 * Replace character(s) by a single newline.
6728 * Strange vi behaviour: Only one newline is inserted.
6729 * Delete the characters here.
6730 * Insert the newline with an insert command, takes care of
6731 * autoindent. The insert command depends on being on the last
6732 * character of a line or not.
6733 */
6734 #ifdef FEAT_MBYTE
6735 (void)del_chars(cap->count1, FALSE); /* delete the characters */
6736 #else
6737 (void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6738 #endif
6739 stuffcharReadbuff('\r');
6740 stuffcharReadbuff(ESC);
6741
6742 /* Give 'r' to edit(), to get the redo command right. */
6743 invoke_edit(cap, TRUE, 'r', FALSE);
6744 }
6745 else
6746 {
6747 prep_redo(cap->oap->regname, cap->count1,
6748 NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6749
6750 curbuf->b_op_start = curwin->w_cursor;
6751 #ifdef FEAT_MBYTE
6752 if (has_mbyte)
6753 {
6754 int old_State = State;
6755
6756 if (cap->ncharC1 != 0)
6757 AppendCharToRedobuff(cap->ncharC1);
6758 if (cap->ncharC2 != 0)
6759 AppendCharToRedobuff(cap->ncharC2);
6760
6761 /* This is slow, but it handles replacing a single-byte with a
6762 * multi-byte and the other way around. Also handles adding
6763 * composing characters for utf-8. */
6764 for (n = cap->count1; n > 0; --n)
6765 {
6766 State = REPLACE;
6767 ins_char(cap->nchar);
6768 State = old_State;
6769 if (cap->ncharC1 != 0)
6770 ins_char(cap->ncharC1);
6771 if (cap->ncharC2 != 0)
6772 ins_char(cap->ncharC2);
6773 }
6774 }
6775 else
6776 #endif
6777 {
6778 /*
6779 * Replace the characters within one line.
6780 */
6781 for (n = cap->count1; n > 0; --n)
6782 {
6783 /*
6784 * Get ptr again, because u_save and/or showmatch() will have
6785 * released the line. At the same time we let know that the
6786 * line will be changed.
6787 */
6788 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6789 ptr[curwin->w_cursor.col] = cap->nchar;
6790 if (p_sm && msg_silent == 0)
6791 showmatch(cap->nchar);
6792 ++curwin->w_cursor.col;
6793 }
6794 #ifdef FEAT_NETBEANS_INTG
6795 if (usingNetbeans)
6796 {
6797 colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6798
6799 netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
6800 (long)cap->count1);
6801 netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6802 &ptr[start], (int)cap->count1);
6803 }
6804 #endif
6805
6806 /* mark the buffer as changed and prepare for displaying */
6807 changed_bytes(curwin->w_cursor.lnum,
6808 (colnr_T)(curwin->w_cursor.col - cap->count1));
6809 }
6810 --curwin->w_cursor.col; /* cursor on the last replaced char */
6811 #ifdef FEAT_MBYTE
6812 /* if the character on the left of the current cursor is a multi-byte
6813 * character, move two characters left */
6814 if (has_mbyte)
6815 mb_adjust_cursor();
6816 #endif
6817 curbuf->b_op_end = curwin->w_cursor;
6818 curwin->w_set_curswant = TRUE;
6819 set_last_insert(cap->nchar);
6820 }
6821 }
6822
6823 #ifdef FEAT_VISUAL
6824 /*
6825 * 'o': Exchange start and end of Visual area.
6826 * 'O': same, but in block mode exchange left and right corners.
6827 */
6828 static void
6829 v_swap_corners(cmdchar)
6830 int cmdchar;
6831 {
6832 pos_T old_cursor;
6833 colnr_T left, right;
6834
6835 if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6836 {
6837 old_cursor = curwin->w_cursor;
6838 getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6839 curwin->w_cursor.lnum = VIsual.lnum;
6840 coladvance(left);
6841 VIsual = curwin->w_cursor;
6842
6843 curwin->w_cursor.lnum = old_cursor.lnum;
6844 curwin->w_curswant = right;
6845 /* 'selection "exclusive" and cursor at right-bottom corner: move it
6846 * right one column */
6847 if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6848 ++curwin->w_curswant;
6849 coladvance(curwin->w_curswant);
6850 if (curwin->w_cursor.col == old_cursor.col
6851 #ifdef FEAT_VIRTUALEDIT
6852 && (!virtual_active()
6853 || curwin->w_cursor.coladd == old_cursor.coladd)
6854 #endif
6855 )
6856 {
6857 curwin->w_cursor.lnum = VIsual.lnum;
6858 if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6859 ++right;
6860 coladvance(right);
6861 VIsual = curwin->w_cursor;
6862
6863 curwin->w_cursor.lnum = old_cursor.lnum;
6864 coladvance(left);
6865 curwin->w_curswant = left;
6866 }
6867 }
6868 else
6869 {
6870 old_cursor = curwin->w_cursor;
6871 curwin->w_cursor = VIsual;
6872 VIsual = old_cursor;
6873 curwin->w_set_curswant = TRUE;
6874 }
6875 }
6876 #endif /* FEAT_VISUAL */
6877
6878 /*
6879 * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6880 */
6881 static void
6882 nv_Replace(cap)
6883 cmdarg_T *cap;
6884 {
6885 #ifdef FEAT_VISUAL
6886 if (VIsual_active) /* "R" is replace lines */
6887 {
6888 cap->cmdchar = 'c';
6889 cap->nchar = NUL;
6890 VIsual_mode = 'V';
6891 nv_operator(cap);
6892 }
6893 else
6894 #endif
6895 if (!checkclearopq(cap->oap))
6896 {
6897 if (!curbuf->b_p_ma)
6898 EMSG(_(e_modifiable));
6899 else
6900 {
6901 #ifdef FEAT_VIRTUALEDIT
6902 if (virtual_active())
6903 coladvance(getviscol());
6904 #endif
6905 invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
6906 }
6907 }
6908 }
6909
6910 #ifdef FEAT_VREPLACE
6911 /*
6912 * "gr".
6913 */
6914 static void
6915 nv_vreplace(cap)
6916 cmdarg_T *cap;
6917 {
6918 # ifdef FEAT_VISUAL
6919 if (VIsual_active)
6920 {
6921 cap->cmdchar = 'r';
6922 cap->nchar = cap->extra_char;
6923 nv_replace(cap); /* Do same as "r" in Visual mode for now */
6924 }
6925 else
6926 # endif
6927 if (!checkclearopq(cap->oap))
6928 {
6929 if (!curbuf->b_p_ma)
6930 EMSG(_(e_modifiable));
6931 else
6932 {
6933 if (cap->extra_char == Ctrl_V) /* get another character */
6934 cap->extra_char = get_literal();
6935 stuffcharReadbuff(cap->extra_char);
6936 stuffcharReadbuff(ESC);
6937 # ifdef FEAT_VIRTUALEDIT
6938 if (virtual_active())
6939 coladvance(getviscol());
6940 # endif
6941 invoke_edit(cap, TRUE, 'v', FALSE);
6942 }
6943 }
6944 }
6945 #endif
6946
6947 /*
6948 * Swap case for "~" command, when it does not work like an operator.
6949 */
6950 static void
6951 n_swapchar(cap)
6952 cmdarg_T *cap;
6953 {
6954 long n;
6955 pos_T startpos;
6956 int did_change = 0;
6957 #ifdef FEAT_NETBEANS_INTG
6958 pos_T pos;
6959 char_u *ptr;
6960 int count;
6961 #endif
6962
6963 if (checkclearopq(cap->oap))
6964 return;
6965
6966 if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
6967 {
6968 clearopbeep(cap->oap);
6969 return;
6970 }
6971
6972 prep_redo_cmd(cap);
6973
6974 if (u_save_cursor() == FAIL)
6975 return;
6976
6977 startpos = curwin->w_cursor;
6978 #ifdef FEAT_NETBEANS_INTG
6979 pos = startpos;
6980 #endif
6981 for (n = cap->count1; n > 0; --n)
6982 {
6983 did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
6984 inc_cursor();
6985 if (gchar_cursor() == NUL)
6986 {
6987 if (vim_strchr(p_ww, '~') != NULL
6988 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
6989 {
6990 #ifdef FEAT_NETBEANS_INTG
6991 if (usingNetbeans)
6992 {
6993 if (did_change)
6994 {
6995 ptr = ml_get(pos.lnum);
6996 count = (int)STRLEN(ptr) - pos.col;
6997 netbeans_removed(curbuf, pos.lnum, pos.col,
6998 (long)count);
6999 netbeans_inserted(curbuf, pos.lnum, pos.col,
7000 &ptr[pos.col], count);
7001 }
7002 pos.col = 0;
7003 pos.lnum++;
7004 }
7005 #endif
7006 ++curwin->w_cursor.lnum;
7007 curwin->w_cursor.col = 0;
7008 if (n > 1)
7009 {
7010 if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7011 break;
7012 u_clearline();
7013 }
7014 }
7015 else
7016 break;
7017 }
7018 }
7019 #ifdef FEAT_NETBEANS_INTG
7020 if (did_change && usingNetbeans)
7021 {
7022 ptr = ml_get(pos.lnum);
7023 count = curwin->w_cursor.col - pos.col;
7024 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7025 netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7026 }
7027 #endif
7028
7029
7030 check_cursor();
7031 curwin->w_set_curswant = TRUE;
7032 if (did_change)
7033 {
7034 changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7035 0L);
7036 curbuf->b_op_start = startpos;
7037 curbuf->b_op_end = curwin->w_cursor;
7038 if (curbuf->b_op_end.col > 0)
7039 --curbuf->b_op_end.col;
7040 }
7041 }
7042
7043 /*
7044 * Move cursor to mark.
7045 */
7046 static void
7047 nv_cursormark(cap, flag, pos)
7048 cmdarg_T *cap;
7049 int flag;
7050 pos_T *pos;
7051 {
7052 if (check_mark(pos) == FAIL)
7053 clearop(cap->oap);
7054 else
7055 {
7056 if (cap->cmdchar == '\''
7057 || cap->cmdchar == '`'
7058 || cap->cmdchar == '['
7059 || cap->cmdchar == ']')
7060 setpcmark();
7061 curwin->w_cursor = *pos;
7062 if (flag)
7063 beginline(BL_WHITE | BL_FIX);
7064 else
7065 check_cursor();
7066 }
7067 cap->oap->motion_type = flag ? MLINE : MCHAR;
7068 if (cap->cmdchar == '`')
7069 cap->oap->use_reg_one = TRUE;
7070 cap->oap->inclusive = FALSE; /* ignored if not MCHAR */
7071 curwin->w_set_curswant = TRUE;
7072 }
7073
7074 #ifdef FEAT_VISUAL
7075 /*
7076 * Handle commands that are operators in Visual mode.
7077 */
7078 static void
7079 v_visop(cap)
7080 cmdarg_T *cap;
7081 {
7082 static char_u trans[] = "YyDdCcxdXdAAIIrr";
7083
7084 /* Uppercase means linewise, except in block mode, then "D" deletes till
7085 * the end of the line, and "C" replaces til EOL */
7086 if (isupper(cap->cmdchar))
7087 {
7088 if (VIsual_mode != Ctrl_V)
7089 VIsual_mode = 'V';
7090 else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7091 curwin->w_curswant = MAXCOL;
7092 }
7093 cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7094 nv_operator(cap);
7095 }
7096 #endif
7097
7098 /*
7099 * "s" and "S" commands.
7100 */
7101 static void
7102 nv_subst(cap)
7103 cmdarg_T *cap;
7104 {
7105 #ifdef FEAT_VISUAL
7106 if (VIsual_active) /* "vs" and "vS" are the same as "vc" */
7107 {
7108 if (cap->cmdchar == 'S')
7109 VIsual_mode = 'V';
7110 cap->cmdchar = 'c';
7111 nv_operator(cap);
7112 }
7113 else
7114 #endif
7115 nv_optrans(cap);
7116 }
7117
7118 /*
7119 * Abbreviated commands.
7120 */
7121 static void
7122 nv_abbrev(cap)
7123 cmdarg_T *cap;
7124 {
7125 if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7126 cap->cmdchar = 'x'; /* DEL key behaves like 'x' */
7127
7128 #ifdef FEAT_VISUAL
7129 /* in Visual mode these commands are operators */
7130 if (VIsual_active)
7131 v_visop(cap);
7132 else
7133 #endif
7134 nv_optrans(cap);
7135 }
7136
7137 /*
7138 * Translate a command into another command.
7139 */
7140 static void
7141 nv_optrans(cap)
7142 cmdarg_T *cap;
7143 {
7144 static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7145 (char_u *)"d$", (char_u *)"c$",
7146 (char_u *)"cl", (char_u *)"cc",
7147 (char_u *)"yy", (char_u *)":s\r"};
7148 static char_u *str = (char_u *)"xXDCsSY&";
7149
7150 if (!checkclearopq(cap->oap))
7151 {
7152 /* In Vi "2D" doesn't delete the next line. Can't translate it
7153 * either, because "2." should also not use the count. */
7154 if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7155 {
7156 cap->oap->start = curwin->w_cursor;
7157 cap->oap->op_type = OP_DELETE;
7158 cap->count1 = 1;
7159 nv_dollar(cap);
7160 finish_op = TRUE;
7161 ResetRedobuff();
7162 AppendCharToRedobuff('D');
7163 }
7164 else
7165 {
7166 if (cap->count0)
7167 stuffnumReadbuff(cap->count0);
7168 stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7169 }
7170 }
7171 cap->opcount = 0;
7172 }
7173
7174 /*
7175 * "'" and "`" commands. Also for "g'" and "g`".
7176 * cap->arg is TRUE for "'" and "g'".
7177 */
7178 static void
7179 nv_gomark(cap)
7180 cmdarg_T *cap;
7181 {
7182 pos_T *pos;
7183 int c;
7184 #ifdef FEAT_FOLDING
7185 linenr_T lnum = curwin->w_cursor.lnum;
7186 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7187 #endif
7188
7189 if (cap->cmdchar == 'g')
7190 c = cap->extra_char;
7191 else
7192 c = cap->nchar;
7193 pos = getmark(c, (cap->oap->op_type == OP_NOP));
7194 if (pos == (pos_T *)-1) /* jumped to other file */
7195 {
7196 if (cap->arg)
7197 {
7198 check_cursor_lnum();
7199 beginline(BL_WHITE | BL_FIX);
7200 }
7201 else
7202 check_cursor();
7203 }
7204 else
7205 nv_cursormark(cap, cap->arg, pos);
7206
7207 #ifdef FEAT_VIRTUALEDIT
7208 /* May need to clear the coladd that a mark includes. */
7209 if (!virtual_active())
7210 curwin->w_cursor.coladd = 0;
7211 #endif
7212 #ifdef FEAT_FOLDING
7213 if (cap->oap->op_type == OP_NOP
7214 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7215 && (fdo_flags & FDO_MARK)
7216 && old_KeyTyped)
7217 foldOpenCursor();
7218 #endif
7219 }
7220
7221 /*
7222 * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7223 */
7224 static void
7225 nv_pcmark(cap)
7226 cmdarg_T *cap;
7227 {
7228 #ifdef FEAT_JUMPLIST
7229 pos_T *pos;
7230 # ifdef FEAT_FOLDING
7231 linenr_T lnum = curwin->w_cursor.lnum;
7232 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7233 # endif
7234
7235 if (!checkclearopq(cap->oap))
7236 {
7237 if (cap->cmdchar == 'g')
7238 pos = movechangelist((int)cap->count1);
7239 else
7240 pos = movemark((int)cap->count1);
7241 if (pos == (pos_T *)-1) /* jump to other file */
7242 {
7243 curwin->w_set_curswant = TRUE;
7244 check_cursor();
7245 }
7246 else if (pos != NULL) /* can jump */
7247 nv_cursormark(cap, FALSE, pos);
7248 else if (cap->cmdchar == 'g')
7249 {
7250 if (curbuf->b_changelistlen == 0)
7251 EMSG(_("E664: changelist is empty"));
7252 else if (cap->count1 < 0)
7253 EMSG(_("E662: At start of changelist"));
7254 else
7255 EMSG(_("E663: At end of changelist"));
7256 }
7257 else
7258 clearopbeep(cap->oap);
7259 # ifdef FEAT_FOLDING
7260 if (cap->oap->op_type == OP_NOP
7261 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7262 && (fdo_flags & FDO_MARK)
7263 && old_KeyTyped)
7264 foldOpenCursor();
7265 # endif
7266 }
7267 #else
7268 clearopbeep(cap->oap);
7269 #endif
7270 }
7271
7272 /*
7273 * Handle '"' command.
7274 */
7275 static void
7276 nv_regname(cap)
7277 cmdarg_T *cap;
7278 {
7279 if (checkclearop(cap->oap))
7280 return;
7281 #ifdef FEAT_EVAL
7282 if (cap->nchar == '=')
7283 cap->nchar = get_expr_register();
7284 #endif
7285 if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7286 {
7287 cap->oap->regname = cap->nchar;
7288 cap->opcount = cap->count0; /* remember count before '"' */
7289 #ifdef FEAT_EVAL
7290 set_reg_var(cap->oap->regname);
7291 #endif
7292 }
7293 else
7294 clearopbeep(cap->oap);
7295 }
7296
7297 #ifdef FEAT_VISUAL
7298 /*
7299 * Handle "v", "V" and "CTRL-V" commands.
7300 * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7301 * is TRUE.
7302 * Handle CTRL-Q just like CTRL-V.
7303 */
7304 static void
7305 nv_visual(cap)
7306 cmdarg_T *cap;
7307 {
7308 if (cap->cmdchar == Ctrl_Q)
7309 cap->cmdchar = Ctrl_V;
7310
7311 /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7312 * characterwise, linewise, or blockwise. */
7313 if (cap->oap->op_type != OP_NOP)
7314 {
7315 cap->oap->motion_force = cap->cmdchar;
7316 finish_op = FALSE; /* operator doesn't finish now but later */
7317 return;
7318 }
7319
7320 VIsual_select = cap->arg;
7321 if (VIsual_active) /* change Visual mode */
7322 {
7323 if (VIsual_mode == cap->cmdchar) /* stop visual mode */
7324 end_visual_mode();
7325 else /* toggle char/block mode */
7326 { /* or char/line mode */
7327 VIsual_mode = cap->cmdchar;
7328 showmode();
7329 }
7330 redraw_curbuf_later(INVERTED); /* update the inversion */
7331 }
7332 else /* start Visual mode */
7333 {
7334 check_visual_highlight();
7335 if (cap->count0) /* use previously selected part */
7336 {
7337 if (resel_VIsual_mode == NUL) /* there is none */
7338 {
7339 beep_flush();
7340 return;
7341 }
7342 VIsual = curwin->w_cursor;
7343
7344 VIsual_active = TRUE;
7345 VIsual_reselect = TRUE;
7346 if (!cap->arg)
7347 /* start Select mode when 'selectmode' contains "cmd" */
7348 may_start_select('c');
7349 #ifdef FEAT_MOUSE
7350 setmouse();
7351 #endif
7352 if (p_smd && msg_silent == 0)
7353 redraw_cmdline = TRUE; /* show visual mode later */
7354 /*
7355 * For V and ^V, we multiply the number of lines even if there
7356 * was only one -- webb
7357 */
7358 if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7359 {
7360 curwin->w_cursor.lnum +=
7361 resel_VIsual_line_count * cap->count0 - 1;
7362 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7363 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7364 }
7365 VIsual_mode = resel_VIsual_mode;
7366 if (VIsual_mode == 'v')
7367 {
7368 if (resel_VIsual_line_count <= 1)
7369 curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
7370 else
7371 curwin->w_cursor.col = resel_VIsual_col;
7372 check_cursor_col();
7373 }
7374 if (resel_VIsual_col == MAXCOL)
7375 {
7376 curwin->w_curswant = MAXCOL;
7377 coladvance((colnr_T)MAXCOL);
7378 }
7379 else if (VIsual_mode == Ctrl_V)
7380 {
7381 validate_virtcol();
7382 curwin->w_curswant = curwin->w_virtcol
7383 + resel_VIsual_col * cap->count0 - 1;
7384 coladvance(curwin->w_curswant);
7385 }
7386 else
7387 curwin->w_set_curswant = TRUE;
7388 redraw_curbuf_later(INVERTED); /* show the inversion */
7389 }
7390 else
7391 {
7392 if (!cap->arg)
7393 /* start Select mode when 'selectmode' contains "cmd" */
7394 may_start_select('c');
7395 n_start_visual_mode(cap->cmdchar);
7396 }
7397 }
7398 }
7399
7400 /*
7401 * Start selection for Shift-movement keys.
7402 */
7403 void
7404 start_selection()
7405 {
7406 /* if 'selectmode' contains "key", start Select mode */
7407 may_start_select('k');
7408 n_start_visual_mode('v');
7409 }
7410
7411 /*
7412 * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7413 */
7414 void
7415 may_start_select(c)
7416 int c;
7417 {
7418 VIsual_select = (stuff_empty() && typebuf_typed()
7419 && (vim_strchr(p_slm, c) != NULL));
7420 }
7421
7422 /*
7423 * Start Visual mode "c".
7424 * Should set VIsual_select before calling this.
7425 */
7426 static void
7427 n_start_visual_mode(c)
7428 int c;
7429 {
7430 VIsual_mode = c;
7431 VIsual_active = TRUE;
7432 VIsual_reselect = TRUE;
7433 #ifdef FEAT_VIRTUALEDIT
7434 /* Corner case: the 0 position in a tab may change when going into
7435 * virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting.
7436 */
7437 if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7438 coladvance(curwin->w_virtcol);
7439 #endif
7440 VIsual = curwin->w_cursor;
7441
7442 #ifdef FEAT_FOLDING
7443 foldAdjustVisual();
7444 #endif
7445
7446 #ifdef FEAT_MOUSE
7447 setmouse();
7448 #endif
7449 if (p_smd && msg_silent == 0)
7450 redraw_cmdline = TRUE; /* show visual mode later */
7451 #ifdef FEAT_CLIPBOARD
7452 /* Make sure the clipboard gets updated. Needed because start and
7453 * end may still be the same, and the selection needs to be owned */
7454 clip_star.vmode = NUL;
7455 #endif
7456
7457 /* Only need to redraw this line, unless still need to redraw an old
7458 * Visual area (when 'lazyredraw' is set). */
7459 if (curwin->w_redr_type < INVERTED)
7460 {
7461 curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7462 curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7463 }
7464 }
7465
7466 #endif /* FEAT_VISUAL */
7467
7468 /*
7469 * CTRL-W: Window commands
7470 */
7471 static void
7472 nv_window(cap)
7473 cmdarg_T *cap;
7474 {
7475 #ifdef FEAT_WINDOWS
7476 if (!checkclearop(cap->oap))
7477 do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7478 #else
7479 (void)checkclearop(cap->oap);
7480 #endif
7481 }
7482
7483 /*
7484 * CTRL-Z: Suspend
7485 */
7486 static void
7487 nv_suspend(cap)
7488 cmdarg_T *cap;
7489 {
7490 clearop(cap->oap);
7491 #ifdef FEAT_VISUAL
7492 if (VIsual_active)
7493 end_visual_mode(); /* stop Visual mode */
7494 #endif
7495 do_cmdline_cmd((char_u *)"st");
7496 }
7497
7498 /*
7499 * Commands starting with "g".
7500 */
7501 static void
7502 nv_g_cmd(cap)
7503 cmdarg_T *cap;
7504 {
7505 oparg_T *oap = cap->oap;
7506 #ifdef FEAT_VISUAL
7507 pos_T tpos;
7508 #endif
7509 int i;
7510 int flag = FALSE;
7511
7512 switch (cap->nchar)
7513 {
7514 #ifdef MEM_PROFILE
7515 /*
7516 * "g^A": dump log of used memory.
7517 */
7518 case Ctrl_A:
7519 vim_mem_profile_dump();
7520 break;
7521 #endif
7522
7523 #ifdef FEAT_VREPLACE
7524 /*
7525 * "gR": Enter virtual replace mode.
7526 */
7527 case 'R':
7528 cap->arg = TRUE;
7529 nv_Replace(cap);
7530 break;
7531
7532 case 'r':
7533 nv_vreplace(cap);
7534 break;
7535 #endif
7536
7537 case '&':
7538 do_cmdline_cmd((char_u *)"%s//~/&");
7539 break;
7540
7541 #ifdef FEAT_VISUAL
7542 /*
7543 * "gv": Reselect the previous Visual area. If Visual already active,
7544 * exchange previous and current Visual area.
7545 */
7546 case 'v':
7547 if (checkclearop(oap))
7548 break;
7549
7550 if ( curbuf->b_visual.vi_start.lnum == 0
7551 || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7552 || curbuf->b_visual.vi_end.lnum == 0)
7553 beep_flush();
7554 else
7555 {
7556 /* set w_cursor to the start of the Visual area, tpos to the end */
7557 if (VIsual_active)
7558 {
7559 i = VIsual_mode;
7560 VIsual_mode = curbuf->b_visual.vi_mode;
7561 curbuf->b_visual.vi_mode = i;
7562 # ifdef FEAT_EVAL
7563 curbuf->b_visual_mode_eval = i;
7564 # endif
7565 i = curwin->w_curswant;
7566 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7567 curbuf->b_visual.vi_curswant = i;
7568
7569 tpos = curbuf->b_visual.vi_end;
7570 curbuf->b_visual.vi_end = curwin->w_cursor;
7571 curwin->w_cursor = curbuf->b_visual.vi_start;
7572 curbuf->b_visual.vi_start = VIsual;
7573 }
7574 else
7575 {
7576 VIsual_mode = curbuf->b_visual.vi_mode;
7577 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7578 tpos = curbuf->b_visual.vi_end;
7579 curwin->w_cursor = curbuf->b_visual.vi_start;
7580 }
7581
7582 VIsual_active = TRUE;
7583 VIsual_reselect = TRUE;
7584
7585 /* Set Visual to the start and w_cursor to the end of the Visual
7586 * area. Make sure they are on an existing character. */
7587 check_cursor();
7588 VIsual = curwin->w_cursor;
7589 curwin->w_cursor = tpos;
7590 check_cursor();
7591 update_topline();
7592 /*
7593 * When called from normal "g" command: start Select mode when
7594 * 'selectmode' contains "cmd". When called for K_SELECT, always
7595 * start Select mode.
7596 */
7597 if (cap->arg)
7598 VIsual_select = TRUE;
7599 else
7600 may_start_select('c');
7601 #ifdef FEAT_MOUSE
7602 setmouse();
7603 #endif
7604 #ifdef FEAT_CLIPBOARD
7605 /* Make sure the clipboard gets updated. Needed because start and
7606 * end are still the same, and the selection needs to be owned */
7607 clip_star.vmode = NUL;
7608 #endif
7609 redraw_curbuf_later(INVERTED);
7610 showmode();
7611 }
7612 break;
7613 /*
7614 * "gV": Don't reselect the previous Visual area after a Select mode
7615 * mapping of menu.
7616 */
7617 case 'V':
7618 VIsual_reselect = FALSE;
7619 break;
7620
7621 /*
7622 * "gh": start Select mode.
7623 * "gH": start Select line mode.
7624 * "g^H": start Select block mode.
7625 */
7626 case K_BS:
7627 cap->nchar = Ctrl_H;
7628 /* FALLTHROUGH */
7629 case 'h':
7630 case 'H':
7631 case Ctrl_H:
7632 # ifdef EBCDIC
7633 /* EBCDIC: 'v'-'h' != '^v'-'^h' */
7634 if (cap->nchar == Ctrl_H)
7635 cap->cmdchar = Ctrl_V;
7636 else
7637 # endif
7638 cap->cmdchar = cap->nchar + ('v' - 'h');
7639 cap->arg = TRUE;
7640 nv_visual(cap);
7641 break;
7642 #endif /* FEAT_VISUAL */
7643
7644 /*
7645 * "gj" and "gk" two new funny movement keys -- up and down
7646 * movement based on *screen* line rather than *file* line.
7647 */
7648 case 'j':
7649 case K_DOWN:
7650 /* with 'nowrap' it works just like the normal "j" command; also when
7651 * in a closed fold */
7652 if (!curwin->w_p_wrap
7653 #ifdef FEAT_FOLDING
7654 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7655 #endif
7656 )
7657 {
7658 oap->motion_type = MLINE;
7659 i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7660 }
7661 else
7662 i = nv_screengo(oap, FORWARD, cap->count1);
7663 if (i == FAIL)
7664 clearopbeep(oap);
7665 break;
7666
7667 case 'k':
7668 case K_UP:
7669 /* with 'nowrap' it works just like the normal "k" command; also when
7670 * in a closed fold */
7671 if (!curwin->w_p_wrap
7672 #ifdef FEAT_FOLDING
7673 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7674 #endif
7675 )
7676 {
7677 oap->motion_type = MLINE;
7678 i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7679 }
7680 else
7681 i = nv_screengo(oap, BACKWARD, cap->count1);
7682 if (i == FAIL)
7683 clearopbeep(oap);
7684 break;
7685
7686 /*
7687 * "gJ": join two lines without inserting a space.
7688 */
7689 case 'J':
7690 nv_join(cap);
7691 break;
7692
7693 /*
7694 * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7695 * "gm": middle of "g0" and "g$".
7696 */
7697 case '^':
7698 flag = TRUE;
7699 /* FALLTHROUGH */
7700
7701 case '0':
7702 case 'm':
7703 case K_HOME:
7704 case K_KHOME:
7705 oap->motion_type = MCHAR;
7706 oap->inclusive = FALSE;
7707 if (curwin->w_p_wrap
7708 #ifdef FEAT_VERTSPLIT
7709 && curwin->w_width != 0
7710 #endif
7711 )
7712 {
7713 int width1 = W_WIDTH(curwin) - curwin_col_off();
7714 int width2 = width1 + curwin_col_off2();
7715
7716 validate_virtcol();
7717 i = 0;
7718 if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7719 i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7720 }
7721 else
7722 i = curwin->w_leftcol;
7723 /* Go to the middle of the screen line. When 'number' is on and lines
7724 * are wrapping the middle can be more to the left.*/
7725 if (cap->nchar == 'm')
7726 i += (W_WIDTH(curwin) - curwin_col_off()
7727 + ((curwin->w_p_wrap && i > 0)
7728 ? curwin_col_off2() : 0)) / 2;
7729 coladvance((colnr_T)i);
7730 if (flag)
7731 {
7732 do
7733 i = gchar_cursor();
7734 while (vim_iswhite(i) && oneright() == OK);
7735 }
7736 curwin->w_set_curswant = TRUE;
7737 break;
7738
7739 case '_':
7740 /* "g_": to the last non-blank character in the line or <count> lines
7741 * downward. */
7742 cap->oap->motion_type = MCHAR;
7743 cap->oap->inclusive = TRUE;
7744 curwin->w_curswant = MAXCOL;
7745 if (cursor_down((long)(cap->count1 - 1),
7746 cap->oap->op_type == OP_NOP) == FAIL)
7747 clearopbeep(cap->oap);
7748 else
7749 {
7750 char_u *ptr = ml_get_curline();
7751
7752 /* In Visual mode we may end up after the line. */
7753 if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7754 --curwin->w_cursor.col;
7755
7756 /* Decrease the cursor column until it's on a non-blank. */
7757 while (curwin->w_cursor.col > 0
7758 && vim_iswhite(ptr[curwin->w_cursor.col]))
7759 --curwin->w_cursor.col;
7760 curwin->w_set_curswant = TRUE;
7761 }
7762 break;
7763
7764 case '$':
7765 case K_END:
7766 case K_KEND:
7767 {
7768 int col_off = curwin_col_off();
7769
7770 oap->motion_type = MCHAR;
7771 oap->inclusive = TRUE;
7772 if (curwin->w_p_wrap
7773 #ifdef FEAT_VERTSPLIT
7774 && curwin->w_width != 0
7775 #endif
7776 )
7777 {
7778 curwin->w_curswant = MAXCOL; /* so we stay at the end */
7779 if (cap->count1 == 1)
7780 {
7781 int width1 = W_WIDTH(curwin) - col_off;
7782 int width2 = width1 + curwin_col_off2();
7783
7784 validate_virtcol();
7785 i = width1 - 1;
7786 if (curwin->w_virtcol >= (colnr_T)width1)
7787 i += ((curwin->w_virtcol - width1) / width2 + 1)
7788 * width2;
7789 coladvance((colnr_T)i);
7790 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7791 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7792 {
7793 /*
7794 * Check for landing on a character that got split at
7795 * the end of the line. We do not want to advance to
7796 * the next screen line.
7797 */
7798 validate_virtcol();
7799 if (curwin->w_virtcol > (colnr_T)i)
7800 --curwin->w_cursor.col;
7801 }
7802 #endif
7803 }
7804 else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7805 clearopbeep(oap);
7806 }
7807 else
7808 {
7809 i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7810 coladvance((colnr_T)i);
7811
7812 /* Make sure we stick in this column. */
7813 validate_virtcol();
7814 curwin->w_curswant = curwin->w_virtcol;
7815 curwin->w_set_curswant = FALSE;
7816 }
7817 }
7818 break;
7819
7820 /*
7821 * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7822 */
7823 case '*':
7824 case '#':
7825 #if POUND != '#'
7826 case POUND: /* pound sign (sometimes equal to '#') */
7827 #endif
7828 case Ctrl_RSB: /* :tag or :tselect for current identifier */
7829 case ']': /* :tselect for current identifier */
7830 nv_ident(cap);
7831 break;
7832
7833 /*
7834 * ge and gE: go back to end of word
7835 */
7836 case 'e':
7837 case 'E':
7838 oap->motion_type = MCHAR;
7839 curwin->w_set_curswant = TRUE;
7840 oap->inclusive = TRUE;
7841 if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7842 clearopbeep(oap);
7843 break;
7844
7845 /*
7846 * "g CTRL-G": display info about cursor position
7847 */
7848 case Ctrl_G:
7849 cursor_pos_info();
7850 break;
7851
7852 /*
7853 * "gi": start Insert at the last position.
7854 */
7855 case 'i':
7856 if (curbuf->b_last_insert.lnum != 0)
7857 {
7858 curwin->w_cursor = curbuf->b_last_insert;
7859 check_cursor_lnum();
7860 i = (int)STRLEN(ml_get_curline());
7861 if (curwin->w_cursor.col > (colnr_T)i)
7862 {
7863 #ifdef FEAT_VIRTUALEDIT
7864 if (virtual_active())
7865 curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7866 #endif
7867 curwin->w_cursor.col = i;
7868 }
7869 }
7870 cap->cmdchar = 'i';
7871 nv_edit(cap);
7872 break;
7873
7874 /*
7875 * "gI": Start insert in column 1.
7876 */
7877 case 'I':
7878 beginline(0);
7879 if (!checkclearopq(oap))
7880 invoke_edit(cap, FALSE, 'g', FALSE);
7881 break;
7882
7883 #ifdef FEAT_SEARCHPATH
7884 /*
7885 * "gf": goto file, edit file under cursor
7886 * "]f" and "[f": can also be used.
7887 */
7888 case 'f':
7889 case 'F':
7890 nv_gotofile(cap);
7891 break;
7892 #endif
7893
7894 /* "g'm" and "g`m": jump to mark without setting pcmark */
7895 case '\'':
7896 cap->arg = TRUE;
7897 /*FALLTHROUGH*/
7898 case '`':
7899 nv_gomark(cap);
7900 break;
7901
7902 /*
7903 * "gs": Goto sleep.
7904 */
7905 case 's':
7906 do_sleep(cap->count1 * 1000L);
7907 break;
7908
7909 /*
7910 * "ga": Display the ascii value of the character under the
7911 * cursor. It is displayed in decimal, hex, and octal. -- webb
7912 */
7913 case 'a':
7914 do_ascii(NULL);
7915 break;
7916
7917 #ifdef FEAT_MBYTE
7918 /*
7919 * "g8": Display the bytes used for the UTF-8 character under the
7920 * cursor. It is displayed in hex.
7921 * "8g8" finds illegal byte sequence.
7922 */
7923 case '8':
7924 if (cap->count0 == 8)
7925 utf_find_illegal();
7926 else
7927 show_utf8();
7928 break;
7929 #endif
7930
7931 case '<':
7932 show_sb_text();
7933 break;
7934
7935 /*
7936 * "gg": Goto the first line in file. With a count it goes to
7937 * that line number like for "G". -- webb
7938 */
7939 case 'g':
7940 cap->arg = FALSE;
7941 nv_goto(cap);
7942 break;
7943
7944 /*
7945 * Two-character operators:
7946 * "gq" Format text
7947 * "gw" Format text and keep cursor position
7948 * "g~" Toggle the case of the text.
7949 * "gu" Change text to lower case.
7950 * "gU" Change text to upper case.
7951 * "g?" rot13 encoding
7952 * "g@" call 'operatorfunc'
7953 */
7954 case 'q':
7955 case 'w':
7956 oap->cursor_start = curwin->w_cursor;
7957 /*FALLTHROUGH*/
7958 case '~':
7959 case 'u':
7960 case 'U':
7961 case '?':
7962 case '@':
7963 nv_operator(cap);
7964 break;
7965
7966 /*
7967 * "gd": Find first occurrence of pattern under the cursor in the
7968 * current function
7969 * "gD": idem, but in the current file.
7970 */
7971 case 'd':
7972 case 'D':
7973 nv_gd(oap, cap->nchar, (int)cap->count0);
7974 break;
7975
7976 #ifdef FEAT_MOUSE
7977 /*
7978 * g<*Mouse> : <C-*mouse>
7979 */
7980 case K_MIDDLEMOUSE:
7981 case K_MIDDLEDRAG:
7982 case K_MIDDLERELEASE:
7983 case K_LEFTMOUSE:
7984 case K_LEFTDRAG:
7985 case K_LEFTRELEASE:
7986 case K_RIGHTMOUSE:
7987 case K_RIGHTDRAG:
7988 case K_RIGHTRELEASE:
7989 case K_X1MOUSE:
7990 case K_X1DRAG:
7991 case K_X1RELEASE:
7992 case K_X2MOUSE:
7993 case K_X2DRAG:
7994 case K_X2RELEASE:
7995 mod_mask = MOD_MASK_CTRL;
7996 (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
7997 break;
7998 #endif
7999
8000 case K_IGNORE:
8001 break;
8002
8003 /*
8004 * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8005 */
8006 case 'p':
8007 case 'P':
8008 nv_put(cap);
8009 break;
8010
8011 #ifdef FEAT_BYTEOFF
8012 /* "go": goto byte count from start of buffer */
8013 case 'o':
8014 goto_byte(cap->count0);
8015 break;
8016 #endif
8017
8018 /* "gQ": improved Ex mode */
8019 case 'Q':
8020 if (text_locked())
8021 {
8022 clearopbeep(cap->oap);
8023 text_locked_msg();
8024 break;
8025 }
8026
8027 if (!checkclearopq(oap))
8028 do_exmode(TRUE);
8029 break;
8030
8031 #ifdef FEAT_JUMPLIST
8032 case ',':
8033 nv_pcmark(cap);
8034 break;
8035
8036 case ';':
8037 cap->count1 = -cap->count1;
8038 nv_pcmark(cap);
8039 break;
8040 #endif
8041
8042 #ifdef FEAT_WINDOWS
8043 case 't':
8044 goto_tabpage((int)cap->count0);
8045 break;
8046 case 'T':
8047 goto_tabpage(-(int)cap->count1);
8048 break;
8049 #endif
8050
8051 case '+':
8052 case '-': /* "g+" and "g-": undo or redo along the timeline */
8053 if (!checkclearopq(oap))
8054 undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8055 FALSE, FALSE);
8056 break;
8057
8058 default:
8059 clearopbeep(oap);
8060 break;
8061 }
8062 }
8063
8064 /*
8065 * Handle "o" and "O" commands.
8066 */
8067 static void
8068 n_opencmd(cap)
8069 cmdarg_T *cap;
8070 {
8071 if (!checkclearopq(cap->oap))
8072 {
8073 #ifdef FEAT_FOLDING
8074 if (cap->cmdchar == 'O')
8075 /* Open above the first line of a folded sequence of lines */
8076 (void)hasFolding(curwin->w_cursor.lnum,
8077 &curwin->w_cursor.lnum, NULL);
8078 else
8079 /* Open below the last line of a folded sequence of lines */
8080 (void)hasFolding(curwin->w_cursor.lnum,
8081 NULL, &curwin->w_cursor.lnum);
8082 #endif
8083 if (u_save((linenr_T)(curwin->w_cursor.lnum -
8084 (cap->cmdchar == 'O' ? 1 : 0)),
8085 (linenr_T)(curwin->w_cursor.lnum +
8086 (cap->cmdchar == 'o' ? 1 : 0))
8087 ) == OK
8088 && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8089 #ifdef FEAT_COMMENTS
8090 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8091 #endif
8092 0, 0))
8093 {
8094 /* When '#' is in 'cpoptions' ignore the count. */
8095 if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8096 cap->count1 = 1;
8097 invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8098 }
8099 }
8100 }
8101
8102 /*
8103 * "." command: redo last change.
8104 */
8105 static void
8106 nv_dot(cap)
8107 cmdarg_T *cap;
8108 {
8109 if (!checkclearopq(cap->oap))
8110 {
8111 /*
8112 * If "restart_edit" is TRUE, the last but one command is repeated
8113 * instead of the last command (inserting text). This is used for
8114 * CTRL-O <.> in insert mode.
8115 */
8116 if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8117 clearopbeep(cap->oap);
8118 }
8119 }
8120
8121 /*
8122 * CTRL-R: undo undo
8123 */
8124 static void
8125 nv_redo(cap)
8126 cmdarg_T *cap;
8127 {
8128 if (!checkclearopq(cap->oap))
8129 {
8130 u_redo((int)cap->count1);
8131 curwin->w_set_curswant = TRUE;
8132 }
8133 }
8134
8135 /*
8136 * Handle "U" command.
8137 */
8138 static void
8139 nv_Undo(cap)
8140 cmdarg_T *cap;
8141 {
8142 /* In Visual mode and typing "gUU" triggers an operator */
8143 if (cap->oap->op_type == OP_UPPER
8144 #ifdef FEAT_VISUAL
8145 || VIsual_active
8146 #endif
8147 )
8148 {
8149 /* translate "gUU" to "gUgU" */
8150 cap->cmdchar = 'g';
8151 cap->nchar = 'U';
8152 nv_operator(cap);
8153 }
8154 else if (!checkclearopq(cap->oap))
8155 {
8156 u_undoline();
8157 curwin->w_set_curswant = TRUE;
8158 }
8159 }
8160
8161 /*
8162 * '~' command: If tilde is not an operator and Visual is off: swap case of a
8163 * single character.
8164 */
8165 static void
8166 nv_tilde(cap)
8167 cmdarg_T *cap;
8168 {
8169 if (!p_to
8170 #ifdef FEAT_VISUAL
8171 && !VIsual_active
8172 #endif
8173 && cap->oap->op_type != OP_TILDE)
8174 n_swapchar(cap);
8175 else
8176 nv_operator(cap);
8177 }
8178
8179 /*
8180 * Handle an operator command.
8181 * The actual work is done by do_pending_operator().
8182 */
8183 static void
8184 nv_operator(cap)
8185 cmdarg_T *cap;
8186 {
8187 int op_type;
8188
8189 op_type = get_op_type(cap->cmdchar, cap->nchar);
8190
8191 if (op_type == cap->oap->op_type) /* double operator works on lines */
8192 nv_lineop(cap);
8193 else if (!checkclearop(cap->oap))
8194 {
8195 cap->oap->start = curwin->w_cursor;
8196 cap->oap->op_type = op_type;
8197 }
8198 }
8199
8200 /*
8201 * Handle linewise operator "dd", "yy", etc.
8202 *
8203 * "_" is is a strange motion command that helps make operators more logical.
8204 * It is actually implemented, but not documented in the real Vi. This motion
8205 * command actually refers to "the current line". Commands like "dd" and "yy"
8206 * are really an alternate form of "d_" and "y_". It does accept a count, so
8207 * "d3_" works to delete 3 lines.
8208 */
8209 static void
8210 nv_lineop(cap)
8211 cmdarg_T *cap;
8212 {
8213 cap->oap->motion_type = MLINE;
8214 if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8215 clearopbeep(cap->oap);
8216 else if ( cap->oap->op_type == OP_DELETE
8217 || cap->oap->op_type == OP_LSHIFT
8218 || cap->oap->op_type == OP_RSHIFT)
8219 beginline(BL_SOL | BL_FIX);
8220 else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */
8221 beginline(BL_WHITE | BL_FIX);
8222 }
8223
8224 /*
8225 * <Home> command.
8226 */
8227 static void
8228 nv_home(cap)
8229 cmdarg_T *cap;
8230 {
8231 /* CTRL-HOME is like "gg" */
8232 if (mod_mask & MOD_MASK_CTRL)
8233 nv_goto(cap);
8234 else
8235 {
8236 cap->count0 = 1;
8237 nv_pipe(cap);
8238 }
8239 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8240 one-character line). */
8241 }
8242
8243 /*
8244 * "|" command.
8245 */
8246 static void
8247 nv_pipe(cap)
8248 cmdarg_T *cap;
8249 {
8250 cap->oap->motion_type = MCHAR;
8251 cap->oap->inclusive = FALSE;
8252 beginline(0);
8253 if (cap->count0 > 0)
8254 {
8255 coladvance((colnr_T)(cap->count0 - 1));
8256 curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8257 }
8258 else
8259 curwin->w_curswant = 0;
8260 /* keep curswant at the column where we wanted to go, not where
8261 we ended; differs if line is too short */
8262 curwin->w_set_curswant = FALSE;
8263 }
8264
8265 /*
8266 * Handle back-word command "b" and "B".
8267 * cap->arg is 1 for "B"
8268 */
8269 static void
8270 nv_bck_word(cap)
8271 cmdarg_T *cap;
8272 {
8273 cap->oap->motion_type = MCHAR;
8274 cap->oap->inclusive = FALSE;
8275 curwin->w_set_curswant = TRUE;
8276 if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8277 clearopbeep(cap->oap);
8278 #ifdef FEAT_FOLDING
8279 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8280 foldOpenCursor();
8281 #endif
8282 }
8283
8284 /*
8285 * Handle word motion commands "e", "E", "w" and "W".
8286 * cap->arg is TRUE for "E" and "W".
8287 */
8288 static void
8289 nv_wordcmd(cap)
8290 cmdarg_T *cap;
8291 {
8292 int n;
8293 int word_end;
8294 int flag = FALSE;
8295
8296 /*
8297 * Set inclusive for the "E" and "e" command.
8298 */
8299 if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8300 word_end = TRUE;
8301 else
8302 word_end = FALSE;
8303 cap->oap->inclusive = word_end;
8304
8305 /*
8306 * "cw" and "cW" are a special case.
8307 */
8308 if (!word_end && cap->oap->op_type == OP_CHANGE)
8309 {
8310 n = gchar_cursor();
8311 if (n != NUL) /* not an empty line */
8312 {
8313 if (vim_iswhite(n))
8314 {
8315 /*
8316 * Reproduce a funny Vi behaviour: "cw" on a blank only
8317 * changes one character, not all blanks until the start of
8318 * the next word. Only do this when the 'w' flag is included
8319 * in 'cpoptions'.
8320 */
8321 if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8322 {
8323 cap->oap->inclusive = TRUE;
8324 cap->oap->motion_type = MCHAR;
8325 return;
8326 }
8327 }
8328 else
8329 {
8330 /*
8331 * This is a little strange. To match what the real Vi does,
8332 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8333 * that we are not on a space or a TAB. This seems impolite
8334 * at first, but it's really more what we mean when we say
8335 * 'cw'.
8336 * Another strangeness: When standing on the end of a word
8337 * "ce" will change until the end of the next wordt, but "cw"
8338 * will change only one character! This is done by setting
8339 * flag.
8340 */
8341 cap->oap->inclusive = TRUE;
8342 word_end = TRUE;
8343 flag = TRUE;
8344 }
8345 }
8346 }
8347
8348 cap->oap->motion_type = MCHAR;
8349 curwin->w_set_curswant = TRUE;
8350 if (word_end)
8351 n = end_word(cap->count1, cap->arg, flag, FALSE);
8352 else
8353 n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8354
8355 /* Don't leave the cursor on the NUL past a line */
8356 if (curwin->w_cursor.col && gchar_cursor() == NUL)
8357 {
8358 --curwin->w_cursor.col;
8359 cap->oap->inclusive = TRUE;
8360 }
8361
8362 if (n == FAIL && cap->oap->op_type == OP_NOP)
8363 clearopbeep(cap->oap);
8364 else
8365 {
8366 #ifdef FEAT_VISUAL
8367 adjust_for_sel(cap);
8368 #endif
8369 #ifdef FEAT_FOLDING
8370 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8371 foldOpenCursor();
8372 #endif
8373 }
8374 }
8375
8376 /*
8377 * "0" and "^" commands.
8378 * cap->arg is the argument for beginline().
8379 */
8380 static void
8381 nv_beginline(cap)
8382 cmdarg_T *cap;
8383 {
8384 cap->oap->motion_type = MCHAR;
8385 cap->oap->inclusive = FALSE;
8386 beginline(cap->arg);
8387 #ifdef FEAT_FOLDING
8388 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8389 foldOpenCursor();
8390 #endif
8391 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8392 one-character line). */
8393 }
8394
8395 #ifdef FEAT_VISUAL
8396 /*
8397 * In exclusive Visual mode, may include the last character.
8398 */
8399 static void
8400 adjust_for_sel(cap)
8401 cmdarg_T *cap;
8402 {
8403 if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8404 && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8405 {
8406 # ifdef FEAT_MBYTE
8407 if (has_mbyte)
8408 inc_cursor();
8409 else
8410 # endif
8411 ++curwin->w_cursor.col;
8412 cap->oap->inclusive = FALSE;
8413 }
8414 }
8415
8416 /*
8417 * Exclude last character at end of Visual area for 'selection' == "exclusive".
8418 * Should check VIsual_mode before calling this.
8419 * Returns TRUE when backed up to the previous line.
8420 */
8421 static int
8422 unadjust_for_sel()
8423 {
8424 pos_T *pp;
8425
8426 if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8427 {
8428 if (lt(VIsual, curwin->w_cursor))
8429 pp = &curwin->w_cursor;
8430 else
8431 pp = &VIsual;
8432 #ifdef FEAT_VIRTUALEDIT
8433 if (pp->coladd > 0)
8434 --pp->coladd;
8435 else
8436 #endif
8437 if (pp->col > 0)
8438 {
8439 --pp->col;
8440 #ifdef FEAT_MBYTE
8441 mb_adjustpos(pp);
8442 #endif
8443 }
8444 else if (pp->lnum > 1)
8445 {
8446 --pp->lnum;
8447 pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8448 return TRUE;
8449 }
8450 }
8451 return FALSE;
8452 }
8453
8454 /*
8455 * SELECT key in Normal or Visual mode: end of Select mode mapping.
8456 */
8457 static void
8458 nv_select(cap)
8459 cmdarg_T *cap;
8460 {
8461 if (VIsual_active)
8462 VIsual_select = TRUE;
8463 else if (VIsual_reselect)
8464 {
8465 cap->nchar = 'v'; /* fake "gv" command */
8466 cap->arg = TRUE;
8467 nv_g_cmd(cap);
8468 }
8469 }
8470
8471 #endif
8472
8473 /*
8474 * "G", "gg", CTRL-END, CTRL-HOME.
8475 * cap->arg is TRUE for "G".
8476 */
8477 static void
8478 nv_goto(cap)
8479 cmdarg_T *cap;
8480 {
8481 linenr_T lnum;
8482
8483 if (cap->arg)
8484 lnum = curbuf->b_ml.ml_line_count;
8485 else
8486 lnum = 1L;
8487 cap->oap->motion_type = MLINE;
8488 setpcmark();
8489
8490 /* When a count is given, use it instead of the default lnum */
8491 if (cap->count0 != 0)
8492 lnum = cap->count0;
8493 if (lnum < 1L)
8494 lnum = 1L;
8495 else if (lnum > curbuf->b_ml.ml_line_count)
8496 lnum = curbuf->b_ml.ml_line_count;
8497 curwin->w_cursor.lnum = lnum;
8498 beginline(BL_SOL | BL_FIX);
8499 #ifdef FEAT_FOLDING
8500 if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8501 foldOpenCursor();
8502 #endif
8503 }
8504
8505 /*
8506 * CTRL-\ in Normal mode.
8507 */
8508 static void
8509 nv_normal(cap)
8510 cmdarg_T *cap;
8511 {
8512 if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8513 {
8514 clearop(cap->oap);
8515 if (restart_edit != 0 && mode_displayed)
8516 clear_cmdline = TRUE; /* unshow mode later */
8517 restart_edit = 0;
8518 #ifdef FEAT_CMDWIN
8519 if (cmdwin_type != 0)
8520 cmdwin_result = Ctrl_C;
8521 #endif
8522 #ifdef FEAT_VISUAL
8523 if (VIsual_active)
8524 {
8525 end_visual_mode(); /* stop Visual */
8526 redraw_curbuf_later(INVERTED);
8527 }
8528 #endif
8529 /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8530 if (cap->nchar == Ctrl_G && p_im)
8531 restart_edit = 'a';
8532 }
8533 else
8534 clearopbeep(cap->oap);
8535 }
8536
8537 /*
8538 * ESC in Normal mode: beep, but don't flush buffers.
8539 * Don't even beep if we are canceling a command.
8540 */
8541 static void
8542 nv_esc(cap)
8543 cmdarg_T *cap;
8544 {
8545 int no_reason;
8546
8547 no_reason = (cap->oap->op_type == OP_NOP
8548 && cap->opcount == 0
8549 && cap->count0 == 0
8550 && cap->oap->regname == 0
8551 && !p_im);
8552
8553 if (cap->arg) /* TRUE for CTRL-C */
8554 {
8555 if (restart_edit == 0
8556 #ifdef FEAT_CMDWIN
8557 && cmdwin_type == 0
8558 #endif
8559 #ifdef FEAT_VISUAL
8560 && !VIsual_active
8561 #endif
8562 && no_reason)
8563 MSG(_("Type :quit<Enter> to exit Vim"));
8564
8565 /* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8566 * set again below when halfway a mapping. */
8567 if (!p_im)
8568 restart_edit = 0;
8569 #ifdef FEAT_CMDWIN
8570 if (cmdwin_type != 0)
8571 {
8572 cmdwin_result = K_IGNORE;
8573 got_int = FALSE; /* don't stop executing autocommands et al. */
8574 return;
8575 }
8576 #endif
8577 }
8578
8579 #ifdef FEAT_VISUAL
8580 if (VIsual_active)
8581 {
8582 end_visual_mode(); /* stop Visual */
8583 check_cursor_col(); /* make sure cursor is not beyond EOL */
8584 curwin->w_set_curswant = TRUE;
8585 redraw_curbuf_later(INVERTED);
8586 }
8587 else
8588 #endif
8589 if (no_reason)
8590 vim_beep();
8591 clearop(cap->oap);
8592
8593 /* A CTRL-C is often used at the start of a menu. When 'insertmode' is
8594 * set return to Insert mode afterwards. */
8595 if (restart_edit == 0 && goto_im()
8596 #ifdef FEAT_EX_EXTRA
8597 && ex_normal_busy == 0
8598 #endif
8599 )
8600 restart_edit = 'a';
8601 }
8602
8603 /*
8604 * Handle "A", "a", "I", "i" and <Insert> commands.
8605 */
8606 static void
8607 nv_edit(cap)
8608 cmdarg_T *cap;
8609 {
8610 /* <Insert> is equal to "i" */
8611 if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8612 cap->cmdchar = 'i';
8613
8614 #ifdef FEAT_VISUAL
8615 /* in Visual mode "A" and "I" are an operator */
8616 if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8617 v_visop(cap);
8618
8619 /* in Visual mode and after an operator "a" and "i" are for text objects */
8620 else
8621 #endif
8622 if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8623 && (cap->oap->op_type != OP_NOP
8624 #ifdef FEAT_VISUAL
8625 || VIsual_active
8626 #endif
8627 ))
8628 {
8629 #ifdef FEAT_TEXTOBJ
8630 nv_object(cap);
8631 #else
8632 clearopbeep(cap->oap);
8633 #endif
8634 }
8635 else if (!curbuf->b_p_ma && !p_im)
8636 {
8637 /* Only give this error when 'insertmode' is off. */
8638 EMSG(_(e_modifiable));
8639 clearop(cap->oap);
8640 }
8641 else if (!checkclearopq(cap->oap))
8642 {
8643 switch (cap->cmdchar)
8644 {
8645 case 'A': /* "A"ppend after the line */
8646 curwin->w_set_curswant = TRUE;
8647 #ifdef FEAT_VIRTUALEDIT
8648 if (ve_flags == VE_ALL)
8649 {
8650 int save_State = State;
8651
8652 /* Pretent Insert mode here to allow the cursor on the
8653 * character past the end of the line */
8654 State = INSERT;
8655 coladvance((colnr_T)MAXCOL);
8656 State = save_State;
8657 }
8658 else
8659 #endif
8660 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8661 break;
8662
8663 case 'I': /* "I"nsert before the first non-blank */
8664 if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
8665 beginline(BL_WHITE);
8666 else
8667 beginline(BL_WHITE|BL_FIX);
8668 break;
8669
8670 case 'a': /* "a"ppend is like "i"nsert on the next character. */
8671 #ifdef FEAT_VIRTUALEDIT
8672 /* increment coladd when in virtual space, increment the
8673 * column otherwise, also to append after an unprintable char */
8674 if (virtual_active()
8675 && (curwin->w_cursor.coladd > 0
8676 || *ml_get_cursor() == NUL
8677 || *ml_get_cursor() == TAB))
8678 curwin->w_cursor.coladd++;
8679 else
8680 #endif
8681 if (*ml_get_cursor() != NUL)
8682 inc_cursor();
8683 break;
8684 }
8685
8686 #ifdef FEAT_VIRTUALEDIT
8687 if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8688 {
8689 int save_State = State;
8690
8691 /* Pretent Insert mode here to allow the cursor on the
8692 * character past the end of the line */
8693 State = INSERT;
8694 coladvance(getviscol());
8695 State = save_State;
8696 }
8697 #endif
8698
8699 invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8700 }
8701 }
8702
8703 /*
8704 * Invoke edit() and take care of "restart_edit" and the return value.
8705 */
8706 static void
8707 invoke_edit(cap, repl, cmd, startln)
8708 cmdarg_T *cap;
8709 int repl; /* "r" or "gr" command */
8710 int cmd;
8711 int startln;
8712 {
8713 int restart_edit_save = 0;
8714
8715 /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8716 * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
8717 * it. */
8718 if (repl || !stuff_empty())
8719 restart_edit_save = restart_edit;
8720 else
8721 restart_edit_save = 0;
8722
8723 /* Always reset "restart_edit", this is not a restarted edit. */
8724 restart_edit = 0;
8725
8726 if (edit(cmd, startln, cap->count1))
8727 cap->retval |= CA_COMMAND_BUSY;
8728
8729 if (restart_edit == 0)
8730 restart_edit = restart_edit_save;
8731 }
8732
8733 #ifdef FEAT_TEXTOBJ
8734 /*
8735 * "a" or "i" while an operator is pending or in Visual mode: object motion.
8736 */
8737 static void
8738 nv_object(cap)
8739 cmdarg_T *cap;
8740 {
8741 int flag;
8742 int include;
8743 char_u *mps_save;
8744
8745 if (cap->cmdchar == 'i')
8746 include = FALSE; /* "ix" = inner object: exclude white space */
8747 else
8748 include = TRUE; /* "ax" = an object: include white space */
8749
8750 /* Make sure (), [], {} and <> are in 'matchpairs' */
8751 mps_save = curbuf->b_p_mps;
8752 curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8753
8754 switch (cap->nchar)
8755 {
8756 case 'w': /* "aw" = a word */
8757 flag = current_word(cap->oap, cap->count1, include, FALSE);
8758 break;
8759 case 'W': /* "aW" = a WORD */
8760 flag = current_word(cap->oap, cap->count1, include, TRUE);
8761 break;
8762 case 'b': /* "ab" = a braces block */
8763 case '(':
8764 case ')':
8765 flag = current_block(cap->oap, cap->count1, include, '(', ')');
8766 break;
8767 case 'B': /* "aB" = a Brackets block */
8768 case '{':
8769 case '}':
8770 flag = current_block(cap->oap, cap->count1, include, '{', '}');
8771 break;
8772 case '[': /* "a[" = a [] block */
8773 case ']':
8774 flag = current_block(cap->oap, cap->count1, include, '[', ']');
8775 break;
8776 case '<': /* "a<" = a <> block */
8777 case '>':
8778 flag = current_block(cap->oap, cap->count1, include, '<', '>');
8779 break;
8780 case 't': /* "at" = a tag block (xml and html) */
8781 flag = current_tagblock(cap->oap, cap->count1, include);
8782 break;
8783 case 'p': /* "ap" = a paragraph */
8784 flag = current_par(cap->oap, cap->count1, include, 'p');
8785 break;
8786 case 's': /* "as" = a sentence */
8787 flag = current_sent(cap->oap, cap->count1, include);
8788 break;
8789 case '"': /* "a"" = a double quoted string */
8790 case '\'': /* "a'" = a single quoted string */
8791 case '`': /* "a`" = a backtick quoted string */
8792 flag = current_quote(cap->oap, cap->count1, include,
8793 cap->nchar);
8794 break;
8795 #if 0 /* TODO */
8796 case 'S': /* "aS" = a section */
8797 case 'f': /* "af" = a filename */
8798 case 'u': /* "au" = a URL */
8799 #endif
8800 default:
8801 flag = FAIL;
8802 break;
8803 }
8804
8805 curbuf->b_p_mps = mps_save;
8806 if (flag == FAIL)
8807 clearopbeep(cap->oap);
8808 adjust_cursor_col();
8809 curwin->w_set_curswant = TRUE;
8810 }
8811 #endif
8812
8813 /*
8814 * "q" command: Start/stop recording.
8815 * "q:", "q/", "q?": edit command-line in command-line window.
8816 */
8817 static void
8818 nv_record(cap)
8819 cmdarg_T *cap;
8820 {
8821 if (cap->oap->op_type == OP_FORMAT)
8822 {
8823 /* "gqq" is the same as "gqgq": format line */
8824 cap->cmdchar = 'g';
8825 cap->nchar = 'q';
8826 nv_operator(cap);
8827 }
8828 else if (!checkclearop(cap->oap))
8829 {
8830 #ifdef FEAT_CMDWIN
8831 if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
8832 {
8833 stuffcharReadbuff(cap->nchar);
8834 stuffcharReadbuff(K_CMDWIN);
8835 }
8836 else
8837 #endif
8838 /* (stop) recording into a named register, unless executing a
8839 * register */
8840 if (!Exec_reg && do_record(cap->nchar) == FAIL)
8841 clearopbeep(cap->oap);
8842 }
8843 }
8844
8845 /*
8846 * Handle the "@r" command.
8847 */
8848 static void
8849 nv_at(cap)
8850 cmdarg_T *cap;
8851 {
8852 if (checkclearop(cap->oap))
8853 return;
8854 #ifdef FEAT_EVAL
8855 if (cap->nchar == '=')
8856 {
8857 if (get_expr_register() == NUL)
8858 return;
8859 }
8860 #endif
8861 while (cap->count1-- && !got_int)
8862 {
8863 if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
8864 {
8865 clearopbeep(cap->oap);
8866 break;
8867 }
8868 line_breakcheck();
8869 }
8870 }
8871
8872 /*
8873 * Handle the CTRL-U and CTRL-D commands.
8874 */
8875 static void
8876 nv_halfpage(cap)
8877 cmdarg_T *cap;
8878 {
8879 if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
8880 || (cap->cmdchar == Ctrl_D
8881 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
8882 clearopbeep(cap->oap);
8883 else if (!checkclearop(cap->oap))
8884 halfpage(cap->cmdchar == Ctrl_D, cap->count0);
8885 }
8886
8887 /*
8888 * Handle "J" or "gJ" command.
8889 */
8890 static void
8891 nv_join(cap)
8892 cmdarg_T *cap;
8893 {
8894 #ifdef FEAT_VISUAL
8895 if (VIsual_active) /* join the visual lines */
8896 nv_operator(cap);
8897 else
8898 #endif
8899 if (!checkclearop(cap->oap))
8900 {
8901 if (cap->count0 <= 1)
8902 cap->count0 = 2; /* default for join is two lines! */
8903 if (curwin->w_cursor.lnum + cap->count0 - 1 >
8904 curbuf->b_ml.ml_line_count)
8905 clearopbeep(cap->oap); /* beyond last line */
8906 else
8907 {
8908 prep_redo(cap->oap->regname, cap->count0,
8909 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
8910 do_do_join(cap->count0, cap->nchar == NUL);
8911 }
8912 }
8913 }
8914
8915 /*
8916 * "P", "gP", "p" and "gp" commands.
8917 */
8918 static void
8919 nv_put(cap)
8920 cmdarg_T *cap;
8921 {
8922 #ifdef FEAT_VISUAL
8923 int regname = 0;
8924 void *reg1 = NULL, *reg2 = NULL;
8925 int empty = FALSE;
8926 int was_visual = FALSE;
8927 #endif
8928 int dir;
8929 int flags = 0;
8930
8931 if (cap->oap->op_type != OP_NOP)
8932 {
8933 #ifdef FEAT_DIFF
8934 /* "dp" is ":diffput" */
8935 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
8936 {
8937 clearop(cap->oap);
8938 nv_diffgetput(TRUE);
8939 }
8940 else
8941 #endif
8942 clearopbeep(cap->oap);
8943 }
8944 else
8945 {
8946 dir = (cap->cmdchar == 'P'
8947 || (cap->cmdchar == 'g' && cap->nchar == 'P'))
8948 ? BACKWARD : FORWARD;
8949 prep_redo_cmd(cap);
8950 if (cap->cmdchar == 'g')
8951 flags |= PUT_CURSEND;
8952
8953 #ifdef FEAT_VISUAL
8954 if (VIsual_active)
8955 {
8956 /* Putting in Visual mode: The put text replaces the selected
8957 * text. First delete the selected text, then put the new text.
8958 * Need to save and restore the registers that the delete
8959 * overwrites if the old contents is being put.
8960 */
8961 was_visual = TRUE;
8962 regname = cap->oap->regname;
8963 # ifdef FEAT_CLIPBOARD
8964 adjust_clip_reg(&regname);
8965 # endif
8966 if (regname == 0 || VIM_ISDIGIT(regname)
8967 # ifdef FEAT_CLIPBOARD
8968 || (clip_unnamed && (regname == '*' || regname == '+'))
8969 # endif
8970
8971 )
8972 {
8973 /* the delete is going to overwrite the register we want to
8974 * put, save it first. */
8975 reg1 = get_register(regname, TRUE);
8976 }
8977
8978 /* Now delete the selected text. */
8979 cap->cmdchar = 'd';
8980 cap->nchar = NUL;
8981 cap->oap->regname = NUL;
8982 nv_operator(cap);
8983 do_pending_operator(cap, 0, FALSE);
8984 empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
8985
8986 /* delete PUT_LINE_BACKWARD; */
8987 cap->oap->regname = regname;
8988
8989 if (reg1 != NULL)
8990 {
8991 /* Delete probably changed the register we want to put, save
8992 * it first. Then put back what was there before the delete. */
8993 reg2 = get_register(regname, FALSE);
8994 put_register(regname, reg1);
8995 }
8996
8997 /* When deleted a linewise Visual area, put the register as
8998 * lines to avoid it joined with the next line. When deletion was
8999 * characterwise, split a line when putting lines. */
9000 if (VIsual_mode == 'V')
9001 flags |= PUT_LINE;
9002 else if (VIsual_mode == 'v')
9003 flags |= PUT_LINE_SPLIT;
9004 if (VIsual_mode == Ctrl_V && dir == FORWARD)
9005 flags |= PUT_LINE_FORWARD;
9006 dir = BACKWARD;
9007 if ((VIsual_mode != 'V'
9008 && curwin->w_cursor.col < curbuf->b_op_start.col)
9009 || (VIsual_mode == 'V'
9010 && curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9011 /* cursor is at the end of the line or end of file, put
9012 * forward. */
9013 dir = FORWARD;
9014 }
9015 #endif
9016 do_put(cap->oap->regname, dir, cap->count1, flags);
9017
9018 #ifdef FEAT_VISUAL
9019 /* If a register was saved, put it back now. */
9020 if (reg2 != NULL)
9021 put_register(regname, reg2);
9022
9023 /* What to reselect with "gv"? Selecting the just put text seems to
9024 * be the most useful, since the original text was removed. */
9025 if (was_visual)
9026 {
9027 curbuf->b_visual.vi_start = curbuf->b_op_start;
9028 curbuf->b_visual.vi_end = curbuf->b_op_end;
9029 }
9030
9031 /* When all lines were selected and deleted do_put() leaves an empty
9032 * line that needs to be deleted now. */
9033 if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9034 {
9035 ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9036
9037 /* If the cursor was in that line, move it to the end of the last
9038 * line. */
9039 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9040 {
9041 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9042 coladvance((colnr_T)MAXCOL);
9043 }
9044 }
9045 #endif
9046 auto_format(FALSE, TRUE);
9047 }
9048 }
9049
9050 /*
9051 * "o" and "O" commands.
9052 */
9053 static void
9054 nv_open(cap)
9055 cmdarg_T *cap;
9056 {
9057 #ifdef FEAT_DIFF
9058 /* "do" is ":diffget" */
9059 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9060 {
9061 clearop(cap->oap);
9062 nv_diffgetput(FALSE);
9063 }
9064 else
9065 #endif
9066 #ifdef FEAT_VISUAL
9067 if (VIsual_active) /* switch start and end of visual */
9068 v_swap_corners(cap->cmdchar);
9069 else
9070 #endif
9071 n_opencmd(cap);
9072 }
9073
9074 #ifdef FEAT_SNIFF
9075 /*ARGSUSED*/
9076 static void
9077 nv_sniff(cap)
9078 cmdarg_T *cap;
9079 {
9080 ProcessSniffRequests();
9081 }
9082 #endif
9083
9084 #ifdef FEAT_NETBEANS_INTG
9085 static void
9086 nv_nbcmd(cap)
9087 cmdarg_T *cap;
9088 {
9089 netbeans_keycommand(cap->nchar);
9090 }
9091 #endif
9092
9093 #ifdef FEAT_DND
9094 /*ARGSUSED*/
9095 static void
9096 nv_drop(cap)
9097 cmdarg_T *cap;
9098 {
9099 do_put('~', BACKWARD, 1L, PUT_CURSEND);
9100 }
9101 #endif
9102
9103 #ifdef FEAT_AUTOCMD
9104 /*
9105 * Trigger CursorHold event.
9106 * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9107 * input buffer. "did_cursorhold" is set to avoid retriggering.
9108 */
9109 /*ARGSUSED*/
9110 static void
9111 nv_cursorhold(cap)
9112 cmdarg_T *cap;
9113 {
9114 apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9115 did_cursorhold = TRUE;
9116 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
9117 }
9118 #endif
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