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Merged from the latest developing branch.
[MacVim.git] / src / normal.c
blob000d2e126911fa9bb06cbb19fdb0fe1a8ce50efe
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 #ifdef FEAT_AUTOCMD
893 /* Don't generate a CursorHold event here, most commands can't handle
894 * it, e.g., nv_replace(), nv_csearch(). */
895 did_cursorhold = TRUE;
896 #endif
897 if (ca.cmdchar == 'g')
898 {
899 /*
900 * For 'g' get the next character now, so that we can check for
901 * "gr", "g'" and "g`".
902 */
903 ca.nchar = safe_vgetc();
904 #ifdef FEAT_LANGMAP
905 LANGMAP_ADJUST(ca.nchar, TRUE);
906 #endif
907 #ifdef FEAT_CMDL_INFO
908 need_flushbuf |= add_to_showcmd(ca.nchar);
909 #endif
910 if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
911 || ca.nchar == Ctrl_BSL)
912 {
913 cp = &ca.extra_char; /* need to get a third character */
914 if (ca.nchar != 'r')
915 lit = TRUE; /* get it literally */
916 else
917 repl = TRUE; /* get it in replace mode */
918 }
919 else
920 cp = NULL; /* no third character needed */
921 }
922 else
923 {
924 if (ca.cmdchar == 'r') /* get it in replace mode */
925 repl = TRUE;
926 cp = &ca.nchar;
927 }
928 lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
929
930 /*
931 * Get a second or third character.
932 */
933 if (cp != NULL)
934 {
935 #ifdef CURSOR_SHAPE
936 if (repl)
937 {
938 State = REPLACE; /* pretend Replace mode */
939 ui_cursor_shape(); /* show different cursor shape */
940 }
941 #endif
942 if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
943 {
944 /* Allow mappings defined with ":lmap". */
945 --no_mapping;
946 --allow_keys;
947 if (repl)
948 State = LREPLACE;
949 else
950 State = LANGMAP;
951 langmap_active = TRUE;
952 }
953 #ifdef USE_IM_CONTROL
954 save_smd = p_smd;
955 p_smd = FALSE; /* Don't let the IM code show the mode here */
956 if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
957 im_set_active(TRUE);
958 #endif
959
960 *cp = safe_vgetc();
961
962 if (langmap_active)
963 {
964 /* Undo the decrement done above */
965 ++no_mapping;
966 ++allow_keys;
967 State = NORMAL_BUSY;
968 }
969 #ifdef USE_IM_CONTROL
970 if (lang)
971 {
972 if (curbuf->b_p_iminsert != B_IMODE_LMAP)
973 im_save_status(&curbuf->b_p_iminsert);
974 im_set_active(FALSE);
975 }
976 p_smd = save_smd;
977 #endif
978 #ifdef CURSOR_SHAPE
979 State = NORMAL_BUSY;
980 #endif
981 #ifdef FEAT_CMDL_INFO
982 need_flushbuf |= add_to_showcmd(*cp);
983 #endif
984
985 if (!lit)
986 {
987 #ifdef FEAT_DIGRAPHS
988 /* Typing CTRL-K gets a digraph. */
989 if (*cp == Ctrl_K
990 && ((nv_cmds[idx].cmd_flags & NV_LANG)
991 || cp == &ca.extra_char)
992 && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
993 {
994 c = get_digraph(FALSE);
995 if (c > 0)
996 {
997 *cp = c;
998 # ifdef FEAT_CMDL_INFO
999 /* Guessing how to update showcmd here... */
1000 del_from_showcmd(3);
1001 need_flushbuf |= add_to_showcmd(*cp);
1002 # endif
1003 }
1004 }
1005 #endif
1006
1007 #ifdef FEAT_LANGMAP
1008 /* adjust chars > 127, except after "tTfFr" commands */
1009 LANGMAP_ADJUST(*cp, !lang);
1010 #endif
1011 #ifdef FEAT_RIGHTLEFT
1012 /* adjust Hebrew mapped char */
1013 if (p_hkmap && lang && KeyTyped)
1014 *cp = hkmap(*cp);
1015 # ifdef FEAT_FKMAP
1016 /* adjust Farsi mapped char */
1017 if (p_fkmap && lang && KeyTyped)
1018 *cp = fkmap(*cp);
1019 # endif
1020 #endif
1021 }
1022
1023 /*
1024 * When the next character is CTRL-\ a following CTRL-N means the
1025 * command is aborted and we go to Normal mode.
1026 */
1027 if (cp == &ca.extra_char
1028 && ca.nchar == Ctrl_BSL
1029 && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1030 {
1031 ca.cmdchar = Ctrl_BSL;
1032 ca.nchar = ca.extra_char;
1033 idx = find_command(ca.cmdchar);
1034 }
1035 else if (*cp == Ctrl_BSL)
1036 {
1037 long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1038
1039 /* There is a busy wait here when typing "f<C-\>" and then
1040 * something different from CTRL-N. Can't be avoided. */
1041 while ((c = vpeekc()) <= 0 && towait > 0L)
1042 {
1043 do_sleep(towait > 50L ? 50L : towait);
1044 towait -= 50L;
1045 }
1046 if (c > 0)
1047 {
1048 c = safe_vgetc();
1049 if (c != Ctrl_N && c != Ctrl_G)
1050 vungetc(c);
1051 else
1052 {
1053 ca.cmdchar = Ctrl_BSL;
1054 ca.nchar = c;
1055 idx = find_command(ca.cmdchar);
1056 }
1057 }
1058 }
1059
1060 #ifdef FEAT_MBYTE
1061 /* When getting a text character and the next character is a
1062 * multi-byte character, it could be a composing character.
1063 * However, don't wait for it to arrive. */
1064 while (enc_utf8 && lang && (c = vpeekc()) > 0
1065 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1066 {
1067 c = safe_vgetc();
1068 if (!utf_iscomposing(c))
1069 {
1070 vungetc(c); /* it wasn't, put it back */
1071 break;
1072 }
1073 else if (ca.ncharC1 == 0)
1074 ca.ncharC1 = c;
1075 else
1076 ca.ncharC2 = c;
1077 }
1078 #endif
1079 }
1080 --no_mapping;
1081 --allow_keys;
1082 }
1083
1084 #ifdef FEAT_CMDL_INFO
1085 /*
1086 * Flush the showcmd characters onto the screen so we can see them while
1087 * the command is being executed. Only do this when the shown command was
1088 * actually displayed, otherwise this will slow down a lot when executing
1089 * mappings.
1090 */
1091 if (need_flushbuf)
1092 out_flush();
1093 #endif
1094 #ifdef FEAT_AUTOCMD
1095 did_cursorhold = FALSE;
1096 #endif
1097
1098 State = NORMAL;
1099
1100 if (ca.nchar == ESC)
1101 {
1102 clearop(oap);
1103 if (restart_edit == 0 && goto_im())
1104 restart_edit = 'a';
1105 goto normal_end;
1106 }
1107
1108 if (ca.cmdchar != K_IGNORE)
1109 {
1110 msg_didout = FALSE; /* don't scroll screen up for normal command */
1111 msg_col = 0;
1112 }
1113
1114 #ifdef FEAT_VISUAL
1115 old_pos = curwin->w_cursor; /* remember where cursor was */
1116
1117 /* When 'keymodel' contains "startsel" some keys start Select/Visual
1118 * mode. */
1119 if (!VIsual_active && km_startsel)
1120 {
1121 if (nv_cmds[idx].cmd_flags & NV_SS)
1122 {
1123 start_selection();
1124 unshift_special(&ca);
1125 idx = find_command(ca.cmdchar);
1126 }
1127 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1128 && (mod_mask & MOD_MASK_SHIFT))
1129 {
1130 start_selection();
1131 mod_mask &= ~MOD_MASK_SHIFT;
1132 }
1133 }
1134 #endif
1135
1136 /*
1137 * Execute the command!
1138 * Call the command function found in the commands table.
1139 */
1140 ca.arg = nv_cmds[idx].cmd_arg;
1141 (nv_cmds[idx].cmd_func)(&ca);
1142
1143 /*
1144 * If we didn't start or finish an operator, reset oap->regname, unless we
1145 * need it later.
1146 */
1147 if (!finish_op
1148 && !oap->op_type
1149 && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1150 {
1151 clearop(oap);
1152 #ifdef FEAT_EVAL
1153 set_reg_var('"');
1154 #endif
1155 }
1156
1157 #ifdef FEAT_VISUAL
1158 /* Get the length of mapped chars again after typing a count, second
1159 * character or "z333<cr>". */
1160 if (old_mapped_len > 0)
1161 old_mapped_len = typebuf_maplen();
1162 #endif
1163
1164 /*
1165 * If an operation is pending, handle it...
1166 */
1167 do_pending_operator(&ca, old_col, FALSE);
1168
1169 /*
1170 * Wait for a moment when a message is displayed that will be overwritten
1171 * by the mode message.
1172 * In Visual mode and with "^O" in Insert mode, a short message will be
1173 * overwritten by the mode message. Wait a bit, until a key is hit.
1174 * In Visual mode, it's more important to keep the Visual area updated
1175 * than keeping a message (e.g. from a /pat search).
1176 * Only do this if the command was typed, not from a mapping.
1177 * Don't wait when emsg_silent is non-zero.
1178 * Also wait a bit after an error message, e.g. for "^O:".
1179 * Don't redraw the screen, it would remove the message.
1180 */
1181 if ( ((p_smd
1182 && msg_silent == 0
1183 && (restart_edit != 0
1184 #ifdef FEAT_VISUAL
1185 || (VIsual_active
1186 && old_pos.lnum == curwin->w_cursor.lnum
1187 && old_pos.col == curwin->w_cursor.col)
1188 #endif
1189 )
1190 && (clear_cmdline
1191 || redraw_cmdline)
1192 && (msg_didout || (msg_didany && msg_scroll))
1193 && !msg_nowait
1194 && KeyTyped)
1195 || (restart_edit != 0
1196 #ifdef FEAT_VISUAL
1197 && !VIsual_active
1198 #endif
1199 && (msg_scroll
1200 || emsg_on_display)))
1201 && oap->regname == 0
1202 && !(ca.retval & CA_COMMAND_BUSY)
1203 && stuff_empty()
1204 && typebuf_typed()
1205 && emsg_silent == 0
1206 && !did_wait_return
1207 && oap->op_type == OP_NOP)
1208 {
1209 int save_State = State;
1210
1211 /* Draw the cursor with the right shape here */
1212 if (restart_edit != 0)
1213 State = INSERT;
1214
1215 /* If need to redraw, and there is a "keep_msg", redraw before the
1216 * delay */
1217 if (must_redraw && keep_msg != NULL && !emsg_on_display)
1218 {
1219 char_u *kmsg;
1220
1221 kmsg = keep_msg;
1222 keep_msg = NULL;
1223 /* showmode() will clear keep_msg, but we want to use it anyway */
1224 update_screen(0);
1225 /* now reset it, otherwise it's put in the history again */
1226 keep_msg = kmsg;
1227 msg_attr(kmsg, keep_msg_attr);
1228 vim_free(kmsg);
1229 }
1230 setcursor();
1231 cursor_on();
1232 out_flush();
1233 if (msg_scroll || emsg_on_display)
1234 ui_delay(1000L, TRUE); /* wait at least one second */
1235 ui_delay(3000L, FALSE); /* wait up to three seconds */
1236 State = save_State;
1237
1238 msg_scroll = FALSE;
1239 emsg_on_display = FALSE;
1240 }
1241
1242 /*
1243 * Finish up after executing a Normal mode command.
1244 */
1245 normal_end:
1246
1247 msg_nowait = FALSE;
1248
1249 /* Reset finish_op, in case it was set */
1250 #ifdef CURSOR_SHAPE
1251 c = finish_op;
1252 #endif
1253 finish_op = FALSE;
1254 #ifdef CURSOR_SHAPE
1255 /* Redraw the cursor with another shape, if we were in Operator-pending
1256 * mode or did a replace command. */
1257 if (c || ca.cmdchar == 'r')
1258 {
1259 ui_cursor_shape(); /* may show different cursor shape */
1260 # ifdef FEAT_MOUSESHAPE
1261 update_mouseshape(-1);
1262 # endif
1263 }
1264 #endif
1265
1266 #ifdef FEAT_CMDL_INFO
1267 if (oap->op_type == OP_NOP && oap->regname == 0)
1268 clear_showcmd();
1269 #endif
1270
1271 checkpcmark(); /* check if we moved since setting pcmark */
1272 vim_free(ca.searchbuf);
1273
1274 #ifdef FEAT_MBYTE
1275 if (has_mbyte)
1276 mb_adjust_cursor();
1277 #endif
1278
1279 #ifdef FEAT_SCROLLBIND
1280 if (curwin->w_p_scb && toplevel)
1281 {
1282 validate_cursor(); /* may need to update w_leftcol */
1283 do_check_scrollbind(TRUE);
1284 }
1285 #endif
1286
1287 /*
1288 * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1289 * if still inside a mapping that started in Visual mode).
1290 * May switch from Visual to Select mode after CTRL-O command.
1291 */
1292 if ( oap->op_type == OP_NOP
1293 #ifdef FEAT_VISUAL
1294 && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1295 || restart_VIsual_select == 1)
1296 #else
1297 && restart_edit != 0
1298 #endif
1299 && !(ca.retval & CA_COMMAND_BUSY)
1300 && stuff_empty()
1301 && oap->regname == 0)
1302 {
1303 #ifdef FEAT_VISUAL
1304 if (restart_VIsual_select == 1)
1305 {
1306 VIsual_select = TRUE;
1307 showmode();
1308 restart_VIsual_select = 0;
1309 }
1310 #endif
1311 if (restart_edit != 0
1312 #ifdef FEAT_VISUAL
1313 && !VIsual_active && old_mapped_len == 0
1314 #endif
1315 )
1316 (void)edit(restart_edit, FALSE, 1L);
1317 }
1318
1319 #ifdef FEAT_VISUAL
1320 if (restart_VIsual_select == 2)
1321 restart_VIsual_select = 1;
1322 #endif
1323
1324 /* Save count before an operator for next time. */
1325 opcount = ca.opcount;
1326 }
1327
1328 /*
1329 * Handle an operator after visual mode or when the movement is finished
1330 */
1331 void
1332 do_pending_operator(cap, old_col, gui_yank)
1333 cmdarg_T *cap;
1334 int old_col;
1335 int gui_yank;
1336 {
1337 oparg_T *oap = cap->oap;
1338 pos_T old_cursor;
1339 int empty_region_error;
1340 int restart_edit_save;
1341
1342 #ifdef FEAT_VISUAL
1343 /* The visual area is remembered for redo */
1344 static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1345 static linenr_T redo_VIsual_line_count; /* number of lines */
1346 static colnr_T redo_VIsual_col; /* number of cols or end column */
1347 static long redo_VIsual_count; /* count for Visual operator */
1348 # ifdef FEAT_VIRTUALEDIT
1349 int include_line_break = FALSE;
1350 # endif
1351 #endif
1352
1353 #if defined(FEAT_CLIPBOARD)
1354 /*
1355 * Yank the visual area into the GUI selection register before we operate
1356 * on it and lose it forever.
1357 * Don't do it if a specific register was specified, so that ""x"*P works.
1358 * This could call do_pending_operator() recursively, but that's OK
1359 * because gui_yank will be TRUE for the nested call.
1360 */
1361 if (clip_star.available
1362 && oap->op_type != OP_NOP
1363 && !gui_yank
1364 # ifdef FEAT_VISUAL
1365 && VIsual_active
1366 && !redo_VIsual_busy
1367 # endif
1368 && oap->regname == 0)
1369 clip_auto_select();
1370 #endif
1371 old_cursor = curwin->w_cursor;
1372
1373 /*
1374 * If an operation is pending, handle it...
1375 */
1376 if ((finish_op
1377 #ifdef FEAT_VISUAL
1378 || VIsual_active
1379 #endif
1380 ) && oap->op_type != OP_NOP)
1381 {
1382 #ifdef FEAT_VISUAL
1383 oap->is_VIsual = VIsual_active;
1384 if (oap->motion_force == 'V')
1385 oap->motion_type = MLINE;
1386 else if (oap->motion_force == 'v')
1387 {
1388 /* If the motion was linewise, "inclusive" will not have been set.
1389 * Use "exclusive" to be consistent. Makes "dvj" work nice. */
1390 if (oap->motion_type == MLINE)
1391 oap->inclusive = FALSE;
1392 /* If the motion already was characterwise, toggle "inclusive" */
1393 else if (oap->motion_type == MCHAR)
1394 oap->inclusive = !oap->inclusive;
1395 oap->motion_type = MCHAR;
1396 }
1397 else if (oap->motion_force == Ctrl_V)
1398 {
1399 /* Change line- or characterwise motion into Visual block mode. */
1400 VIsual_active = TRUE;
1401 VIsual = oap->start;
1402 VIsual_mode = Ctrl_V;
1403 VIsual_select = FALSE;
1404 VIsual_reselect = FALSE;
1405 }
1406 #endif
1407
1408 /* only redo yank when 'y' flag is in 'cpoptions' */
1409 /* never redo "zf" (define fold) */
1410 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1411 #ifdef FEAT_VISUAL
1412 && (!VIsual_active || oap->motion_force)
1413 #endif
1414 && cap->cmdchar != 'D'
1415 #ifdef FEAT_FOLDING
1416 && oap->op_type != OP_FOLD
1417 && oap->op_type != OP_FOLDOPEN
1418 && oap->op_type != OP_FOLDOPENREC
1419 && oap->op_type != OP_FOLDCLOSE
1420 && oap->op_type != OP_FOLDCLOSEREC
1421 && oap->op_type != OP_FOLDDEL
1422 && oap->op_type != OP_FOLDDELREC
1423 #endif
1424 )
1425 {
1426 prep_redo(oap->regname, cap->count0,
1427 get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1428 oap->motion_force, cap->cmdchar, cap->nchar);
1429 if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1430 {
1431 /*
1432 * If 'cpoptions' does not contain 'r', insert the search
1433 * pattern to really repeat the same command.
1434 */
1435 if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1436 AppendToRedobuffLit(cap->searchbuf, -1);
1437 AppendToRedobuff(NL_STR);
1438 }
1439 else if (cap->cmdchar == ':')
1440 {
1441 /* do_cmdline() has stored the first typed line in
1442 * "repeat_cmdline". When several lines are typed repeating
1443 * won't be possible. */
1444 if (repeat_cmdline == NULL)
1445 ResetRedobuff();
1446 else
1447 {
1448 AppendToRedobuffLit(repeat_cmdline, -1);
1449 AppendToRedobuff(NL_STR);
1450 vim_free(repeat_cmdline);
1451 repeat_cmdline = NULL;
1452 }
1453 }
1454 }
1455
1456 #ifdef FEAT_VISUAL
1457 if (redo_VIsual_busy)
1458 {
1459 oap->start = curwin->w_cursor;
1460 curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1461 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1462 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1463 VIsual_mode = redo_VIsual_mode;
1464 if (VIsual_mode == 'v')
1465 {
1466 if (redo_VIsual_line_count <= 1)
1467 curwin->w_cursor.col += redo_VIsual_col - 1;
1468 else
1469 curwin->w_cursor.col = redo_VIsual_col;
1470 }
1471 if (redo_VIsual_col == MAXCOL)
1472 {
1473 curwin->w_curswant = MAXCOL;
1474 coladvance((colnr_T)MAXCOL);
1475 }
1476 cap->count0 = redo_VIsual_count;
1477 if (redo_VIsual_count != 0)
1478 cap->count1 = redo_VIsual_count;
1479 else
1480 cap->count1 = 1;
1481 }
1482 else if (VIsual_active)
1483 {
1484 if (!gui_yank)
1485 {
1486 /* Save the current VIsual area for '< and '> marks, and "gv" */
1487 curbuf->b_visual.vi_start = VIsual;
1488 curbuf->b_visual.vi_end = curwin->w_cursor;
1489 curbuf->b_visual.vi_mode = VIsual_mode;
1490 curbuf->b_visual.vi_curswant = curwin->w_curswant;
1491 # ifdef FEAT_EVAL
1492 curbuf->b_visual_mode_eval = VIsual_mode;
1493 # endif
1494 }
1495
1496 /* In Select mode, a linewise selection is operated upon like a
1497 * characterwise selection. */
1498 if (VIsual_select && VIsual_mode == 'V')
1499 {
1500 if (lt(VIsual, curwin->w_cursor))
1501 {
1502 VIsual.col = 0;
1503 curwin->w_cursor.col =
1504 (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1505 }
1506 else
1507 {
1508 curwin->w_cursor.col = 0;
1509 VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1510 }
1511 VIsual_mode = 'v';
1512 }
1513 /* If 'selection' is "exclusive", backup one character for
1514 * charwise selections. */
1515 else if (VIsual_mode == 'v')
1516 {
1517 # ifdef FEAT_VIRTUALEDIT
1518 include_line_break =
1519 # endif
1520 unadjust_for_sel();
1521 }
1522
1523 oap->start = VIsual;
1524 if (VIsual_mode == 'V')
1525 oap->start.col = 0;
1526 }
1527 #endif /* FEAT_VISUAL */
1528
1529 /*
1530 * Set oap->start to the first position of the operated text, oap->end
1531 * to the end of the operated text. w_cursor is equal to oap->start.
1532 */
1533 if (lt(oap->start, curwin->w_cursor))
1534 {
1535 #ifdef FEAT_FOLDING
1536 /* Include folded lines completely. */
1537 if (!VIsual_active)
1538 {
1539 if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1540 oap->start.col = 0;
1541 if (hasFolding(curwin->w_cursor.lnum, NULL,
1542 &curwin->w_cursor.lnum))
1543 curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1544 }
1545 #endif
1546 oap->end = curwin->w_cursor;
1547 curwin->w_cursor = oap->start;
1548
1549 /* w_virtcol may have been updated; if the cursor goes back to its
1550 * previous position w_virtcol becomes invalid and isn't updated
1551 * automatically. */
1552 curwin->w_valid &= ~VALID_VIRTCOL;
1553 }
1554 else
1555 {
1556 #ifdef FEAT_FOLDING
1557 /* Include folded lines completely. */
1558 if (!VIsual_active && oap->motion_type == MLINE)
1559 {
1560 if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1561 NULL))
1562 curwin->w_cursor.col = 0;
1563 if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1564 oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1565 }
1566 #endif
1567 oap->end = oap->start;
1568 oap->start = curwin->w_cursor;
1569 }
1570
1571 oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1572
1573 #ifdef FEAT_VIRTUALEDIT
1574 /* Set "virtual_op" before resetting VIsual_active. */
1575 virtual_op = virtual_active();
1576 #endif
1577
1578 #ifdef FEAT_VISUAL
1579 if (VIsual_active || redo_VIsual_busy)
1580 {
1581 if (VIsual_mode == Ctrl_V) /* block mode */
1582 {
1583 colnr_T start, end;
1584
1585 oap->block_mode = TRUE;
1586
1587 getvvcol(curwin, &(oap->start),
1588 &oap->start_vcol, NULL, &oap->end_vcol);
1589 if (!redo_VIsual_busy)
1590 {
1591 getvvcol(curwin, &(oap->end), &start, NULL, &end);
1592
1593 if (start < oap->start_vcol)
1594 oap->start_vcol = start;
1595 if (end > oap->end_vcol)
1596 {
1597 if (*p_sel == 'e' && start >= 1
1598 && start - 1 >= oap->end_vcol)
1599 oap->end_vcol = start - 1;
1600 else
1601 oap->end_vcol = end;
1602 }
1603 }
1604
1605 /* if '$' was used, get oap->end_vcol from longest line */
1606 if (curwin->w_curswant == MAXCOL)
1607 {
1608 curwin->w_cursor.col = MAXCOL;
1609 oap->end_vcol = 0;
1610 for (curwin->w_cursor.lnum = oap->start.lnum;
1611 curwin->w_cursor.lnum <= oap->end.lnum;
1612 ++curwin->w_cursor.lnum)
1613 {
1614 getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1615 if (end > oap->end_vcol)
1616 oap->end_vcol = end;
1617 }
1618 }
1619 else if (redo_VIsual_busy)
1620 oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1621 /*
1622 * Correct oap->end.col and oap->start.col to be the
1623 * upper-left and lower-right corner of the block area.
1624 *
1625 * (Actually, this does convert column positions into character
1626 * positions)
1627 */
1628 curwin->w_cursor.lnum = oap->end.lnum;
1629 coladvance(oap->end_vcol);
1630 oap->end = curwin->w_cursor;
1631
1632 curwin->w_cursor = oap->start;
1633 coladvance(oap->start_vcol);
1634 oap->start = curwin->w_cursor;
1635 }
1636
1637 if (!redo_VIsual_busy && !gui_yank)
1638 {
1639 /*
1640 * Prepare to reselect and redo Visual: this is based on the
1641 * size of the Visual text
1642 */
1643 resel_VIsual_mode = VIsual_mode;
1644 if (curwin->w_curswant == MAXCOL)
1645 resel_VIsual_col = MAXCOL;
1646 else if (VIsual_mode == Ctrl_V)
1647 resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1648 else if (oap->line_count > 1)
1649 resel_VIsual_col = oap->end.col;
1650 else
1651 resel_VIsual_col = oap->end.col - oap->start.col + 1;
1652 resel_VIsual_line_count = oap->line_count;
1653 }
1654
1655 /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1656 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1657 && oap->op_type != OP_COLON
1658 #ifdef FEAT_FOLDING
1659 && oap->op_type != OP_FOLD
1660 && oap->op_type != OP_FOLDOPEN
1661 && oap->op_type != OP_FOLDOPENREC
1662 && oap->op_type != OP_FOLDCLOSE
1663 && oap->op_type != OP_FOLDCLOSEREC
1664 && oap->op_type != OP_FOLDDEL
1665 && oap->op_type != OP_FOLDDELREC
1666 #endif
1667 && oap->motion_force == NUL
1668 )
1669 {
1670 /* Prepare for redoing. Only use the nchar field for "r",
1671 * otherwise it might be the second char of the operator. */
1672 prep_redo(oap->regname, 0L, NUL, 'v',
1673 get_op_char(oap->op_type),
1674 get_extra_op_char(oap->op_type),
1675 oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1676 if (!redo_VIsual_busy)
1677 {
1678 redo_VIsual_mode = resel_VIsual_mode;
1679 redo_VIsual_col = resel_VIsual_col;
1680 redo_VIsual_line_count = resel_VIsual_line_count;
1681 redo_VIsual_count = cap->count0;
1682 }
1683 }
1684
1685 /*
1686 * oap->inclusive defaults to TRUE.
1687 * If oap->end is on a NUL (empty line) oap->inclusive becomes
1688 * FALSE. This makes "d}P" and "v}dP" work the same.
1689 */
1690 if (oap->motion_force == NUL || oap->motion_type == MLINE)
1691 oap->inclusive = TRUE;
1692 if (VIsual_mode == 'V')
1693 oap->motion_type = MLINE;
1694 else
1695 {
1696 oap->motion_type = MCHAR;
1697 if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1698 # ifdef FEAT_VIRTUALEDIT
1699 && (include_line_break || !virtual_op)
1700 # endif
1701 )
1702 {
1703 oap->inclusive = FALSE;
1704 /* Try to include the newline, unless it's an operator
1705 * that works on lines only */
1706 if (*p_sel != 'o'
1707 && !op_on_lines(oap->op_type)
1708 && oap->end.lnum < curbuf->b_ml.ml_line_count)
1709 {
1710 ++oap->end.lnum;
1711 oap->end.col = 0;
1712 # ifdef FEAT_VIRTUALEDIT
1713 oap->end.coladd = 0;
1714 # endif
1715 ++oap->line_count;
1716 }
1717 }
1718 }
1719
1720 redo_VIsual_busy = FALSE;
1721
1722 /*
1723 * Switch Visual off now, so screen updating does
1724 * not show inverted text when the screen is redrawn.
1725 * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1726 * no screen redraw, so it is done here to remove the inverted
1727 * part.
1728 */
1729 if (!gui_yank)
1730 {
1731 VIsual_active = FALSE;
1732 # ifdef FEAT_MOUSE
1733 setmouse();
1734 mouse_dragging = 0;
1735 # endif
1736 if (mode_displayed)
1737 clear_cmdline = TRUE; /* unshow visual mode later */
1738 #ifdef FEAT_CMDL_INFO
1739 else
1740 clear_showcmd();
1741 #endif
1742 if ((oap->op_type == OP_YANK
1743 || oap->op_type == OP_COLON
1744 || oap->op_type == OP_FUNCTION
1745 || oap->op_type == OP_FILTER)
1746 && oap->motion_force == NUL)
1747 redraw_curbuf_later(INVERTED);
1748 }
1749 }
1750 #endif
1751
1752 #ifdef FEAT_MBYTE
1753 /* Include the trailing byte of a multi-byte char. */
1754 if (has_mbyte && oap->inclusive)
1755 {
1756 int l;
1757
1758 l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1759 if (l > 1)
1760 oap->end.col += l - 1;
1761 }
1762 #endif
1763 curwin->w_set_curswant = TRUE;
1764
1765 /*
1766 * oap->empty is set when start and end are the same. The inclusive
1767 * flag affects this too, unless yanking and the end is on a NUL.
1768 */
1769 oap->empty = (oap->motion_type == MCHAR
1770 && (!oap->inclusive
1771 || (oap->op_type == OP_YANK
1772 && gchar_pos(&oap->end) == NUL))
1773 && equalpos(oap->start, oap->end)
1774 #ifdef FEAT_VIRTUALEDIT
1775 && !(virtual_op && oap->start.coladd != oap->end.coladd)
1776 #endif
1777 );
1778 /*
1779 * For delete, change and yank, it's an error to operate on an
1780 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1781 */
1782 empty_region_error = (oap->empty
1783 && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1784
1785 #ifdef FEAT_VISUAL
1786 /* Force a redraw when operating on an empty Visual region, when
1787 * 'modifiable is off or creating a fold. */
1788 if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1789 # ifdef FEAT_FOLDING
1790 || oap->op_type == OP_FOLD
1791 # endif
1792 ))
1793 redraw_curbuf_later(INVERTED);
1794 #endif
1795
1796 /*
1797 * If the end of an operator is in column one while oap->motion_type
1798 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1799 * character in the previous line. If op_start is on or before the
1800 * first non-blank in the line, the operator becomes linewise
1801 * (strange, but that's the way vi does it).
1802 */
1803 if ( oap->motion_type == MCHAR
1804 && oap->inclusive == FALSE
1805 && !(cap->retval & CA_NO_ADJ_OP_END)
1806 && oap->end.col == 0
1807 #ifdef FEAT_VISUAL
1808 && (!oap->is_VIsual || *p_sel == 'o')
1809 && !oap->block_mode
1810 #endif
1811 && oap->line_count > 1)
1812 {
1813 oap->end_adjusted = TRUE; /* remember that we did this */
1814 --oap->line_count;
1815 --oap->end.lnum;
1816 if (inindent(0))
1817 oap->motion_type = MLINE;
1818 else
1819 {
1820 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1821 if (oap->end.col)
1822 {
1823 --oap->end.col;
1824 oap->inclusive = TRUE;
1825 }
1826 }
1827 }
1828 else
1829 oap->end_adjusted = FALSE;
1830
1831 switch (oap->op_type)
1832 {
1833 case OP_LSHIFT:
1834 case OP_RSHIFT:
1835 op_shift(oap, TRUE,
1836 #ifdef FEAT_VISUAL
1837 oap->is_VIsual ? (int)cap->count1 :
1838 #endif
1839 1);
1840 auto_format(FALSE, TRUE);
1841 break;
1842
1843 case OP_JOIN_NS:
1844 case OP_JOIN:
1845 if (oap->line_count < 2)
1846 oap->line_count = 2;
1847 if (curwin->w_cursor.lnum + oap->line_count - 1 >
1848 curbuf->b_ml.ml_line_count)
1849 beep_flush();
1850 else
1851 {
1852 do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1853 auto_format(FALSE, TRUE);
1854 }
1855 break;
1856
1857 case OP_DELETE:
1858 #ifdef FEAT_VISUAL
1859 VIsual_reselect = FALSE; /* don't reselect now */
1860 #endif
1861 if (empty_region_error)
1862 vim_beep();
1863 else
1864 {
1865 (void)op_delete(oap);
1866 if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1867 u_save_cursor(); /* cursor line wasn't saved yet */
1868 auto_format(FALSE, TRUE);
1869 }
1870 break;
1871
1872 case OP_YANK:
1873 if (empty_region_error)
1874 {
1875 if (!gui_yank)
1876 vim_beep();
1877 }
1878 else
1879 (void)op_yank(oap, FALSE, !gui_yank);
1880 check_cursor_col();
1881 break;
1882
1883 case OP_CHANGE:
1884 #ifdef FEAT_VISUAL
1885 VIsual_reselect = FALSE; /* don't reselect now */
1886 #endif
1887 if (empty_region_error)
1888 vim_beep();
1889 else
1890 {
1891 /* This is a new edit command, not a restart. Need to
1892 * remember it to make 'insertmode' work with mappings for
1893 * Visual mode. But do this only once and not when typed and
1894 * 'insertmode' isn't set. */
1895 if (p_im || !KeyTyped)
1896 restart_edit_save = restart_edit;
1897 else
1898 restart_edit_save = 0;
1899 restart_edit = 0;
1900 /* Reset finish_op now, don't want it set inside edit(). */
1901 finish_op = FALSE;
1902 if (op_change(oap)) /* will call edit() */
1903 cap->retval |= CA_COMMAND_BUSY;
1904 if (restart_edit == 0)
1905 restart_edit = restart_edit_save;
1906 }
1907 break;
1908
1909 case OP_FILTER:
1910 if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1911 AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
1912 else
1913 bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
1914
1915 case OP_INDENT:
1916 case OP_COLON:
1917
1918 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1919 /*
1920 * If 'equalprg' is empty, do the indenting internally.
1921 */
1922 if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1923 {
1924 # ifdef FEAT_LISP
1925 if (curbuf->b_p_lisp)
1926 {
1927 op_reindent(oap, get_lisp_indent);
1928 break;
1929 }
1930 # endif
1931 # ifdef FEAT_CINDENT
1932 op_reindent(oap,
1933 # ifdef FEAT_EVAL
1934 *curbuf->b_p_inde != NUL ? get_expr_indent :
1935 # endif
1936 get_c_indent);
1937 break;
1938 # endif
1939 }
1940 #endif
1941
1942 op_colon(oap);
1943 break;
1944
1945 case OP_TILDE:
1946 case OP_UPPER:
1947 case OP_LOWER:
1948 case OP_ROT13:
1949 if (empty_region_error)
1950 vim_beep();
1951 else
1952 op_tilde(oap);
1953 check_cursor_col();
1954 break;
1955
1956 case OP_FORMAT:
1957 #if defined(FEAT_EVAL)
1958 if (*curbuf->b_p_fex != NUL)
1959 op_formatexpr(oap); /* use expression */
1960 else
1961 #endif
1962 if (*p_fp != NUL)
1963 op_colon(oap); /* use external command */
1964 else
1965 op_format(oap, FALSE); /* use internal function */
1966 break;
1967
1968 case OP_FORMAT2:
1969 op_format(oap, TRUE); /* use internal function */
1970 break;
1971
1972 case OP_FUNCTION:
1973 op_function(oap); /* call 'operatorfunc' */
1974 break;
1975
1976 case OP_INSERT:
1977 case OP_APPEND:
1978 #ifdef FEAT_VISUAL
1979 VIsual_reselect = FALSE; /* don't reselect now */
1980 #endif
1981 #ifdef FEAT_VISUALEXTRA
1982 if (empty_region_error)
1983 vim_beep();
1984 else
1985 {
1986 /* This is a new edit command, not a restart. Need to
1987 * remember it to make 'insertmode' work with mappings for
1988 * Visual mode. But do this only once. */
1989 restart_edit_save = restart_edit;
1990 restart_edit = 0;
1991
1992 op_insert(oap, cap->count1);
1993
1994 /* TODO: when inserting in several lines, should format all
1995 * the lines. */
1996 auto_format(FALSE, TRUE);
1997
1998 if (restart_edit == 0)
1999 restart_edit = restart_edit_save;
2000 }
2001 #else
2002 vim_beep();
2003 #endif
2004 break;
2005
2006 case OP_REPLACE:
2007 #ifdef FEAT_VISUAL
2008 VIsual_reselect = FALSE; /* don't reselect now */
2009 #endif
2010 #ifdef FEAT_VISUALEXTRA
2011 if (empty_region_error)
2012 #endif
2013 vim_beep();
2014 #ifdef FEAT_VISUALEXTRA
2015 else
2016 op_replace(oap, cap->nchar);
2017 #endif
2018 break;
2019
2020 #ifdef FEAT_FOLDING
2021 case OP_FOLD:
2022 VIsual_reselect = FALSE; /* don't reselect now */
2023 foldCreate(oap->start.lnum, oap->end.lnum);
2024 break;
2025
2026 case OP_FOLDOPEN:
2027 case OP_FOLDOPENREC:
2028 case OP_FOLDCLOSE:
2029 case OP_FOLDCLOSEREC:
2030 VIsual_reselect = FALSE; /* don't reselect now */
2031 opFoldRange(oap->start.lnum, oap->end.lnum,
2032 oap->op_type == OP_FOLDOPEN
2033 || oap->op_type == OP_FOLDOPENREC,
2034 oap->op_type == OP_FOLDOPENREC
2035 || oap->op_type == OP_FOLDCLOSEREC,
2036 oap->is_VIsual);
2037 break;
2038
2039 case OP_FOLDDEL:
2040 case OP_FOLDDELREC:
2041 VIsual_reselect = FALSE; /* don't reselect now */
2042 deleteFold(oap->start.lnum, oap->end.lnum,
2043 oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2044 break;
2045 #endif
2046 default:
2047 clearopbeep(oap);
2048 }
2049 #ifdef FEAT_VIRTUALEDIT
2050 virtual_op = MAYBE;
2051 #endif
2052 if (!gui_yank)
2053 {
2054 /*
2055 * if 'sol' not set, go back to old column for some commands
2056 */
2057 if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2058 && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2059 || oap->op_type == OP_DELETE))
2060 coladvance(curwin->w_curswant = old_col);
2061 }
2062 else
2063 {
2064 curwin->w_cursor = old_cursor;
2065 }
2066 #ifdef FEAT_VISUAL
2067 oap->block_mode = FALSE;
2068 #endif
2069 clearop(oap);
2070 }
2071 }
2072
2073 /*
2074 * Handle indent and format operators and visual mode ":".
2075 */
2076 static void
2077 op_colon(oap)
2078 oparg_T *oap;
2079 {
2080 stuffcharReadbuff(':');
2081 #ifdef FEAT_VISUAL
2082 if (oap->is_VIsual)
2083 stuffReadbuff((char_u *)"'<,'>");
2084 else
2085 #endif
2086 {
2087 /*
2088 * Make the range look nice, so it can be repeated.
2089 */
2090 if (oap->start.lnum == curwin->w_cursor.lnum)
2091 stuffcharReadbuff('.');
2092 else
2093 stuffnumReadbuff((long)oap->start.lnum);
2094 if (oap->end.lnum != oap->start.lnum)
2095 {
2096 stuffcharReadbuff(',');
2097 if (oap->end.lnum == curwin->w_cursor.lnum)
2098 stuffcharReadbuff('.');
2099 else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2100 stuffcharReadbuff('$');
2101 else if (oap->start.lnum == curwin->w_cursor.lnum)
2102 {
2103 stuffReadbuff((char_u *)".+");
2104 stuffnumReadbuff((long)oap->line_count - 1);
2105 }
2106 else
2107 stuffnumReadbuff((long)oap->end.lnum);
2108 }
2109 }
2110 if (oap->op_type != OP_COLON)
2111 stuffReadbuff((char_u *)"!");
2112 if (oap->op_type == OP_INDENT)
2113 {
2114 #ifndef FEAT_CINDENT
2115 if (*get_equalprg() == NUL)
2116 stuffReadbuff((char_u *)"indent");
2117 else
2118 #endif
2119 stuffReadbuff(get_equalprg());
2120 stuffReadbuff((char_u *)"\n");
2121 }
2122 else if (oap->op_type == OP_FORMAT)
2123 {
2124 if (*p_fp == NUL)
2125 stuffReadbuff((char_u *)"fmt");
2126 else
2127 stuffReadbuff(p_fp);
2128 stuffReadbuff((char_u *)"\n']");
2129 }
2130
2131 /*
2132 * do_cmdline() does the rest
2133 */
2134 }
2135
2136 /*
2137 * Handle the "g@" operator: call 'operatorfunc'.
2138 */
2139 /*ARGSUSED*/
2140 static void
2141 op_function(oap)
2142 oparg_T *oap;
2143 {
2144 #ifdef FEAT_EVAL
2145 char_u *(argv[1]);
2146
2147 if (*p_opfunc == NUL)
2148 EMSG(_("E774: 'operatorfunc' is empty"));
2149 else
2150 {
2151 /* Set '[ and '] marks to text to be operated on. */
2152 curbuf->b_op_start = oap->start;
2153 curbuf->b_op_end = oap->end;
2154 if (oap->motion_type != MLINE && !oap->inclusive)
2155 /* Exclude the end position. */
2156 decl(&curbuf->b_op_end);
2157
2158 if (oap->block_mode)
2159 argv[0] = (char_u *)"block";
2160 else if (oap->motion_type == MLINE)
2161 argv[0] = (char_u *)"line";
2162 else
2163 argv[0] = (char_u *)"char";
2164 (void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2165 }
2166 #else
2167 EMSG(_("E775: Eval feature not available"));
2168 #endif
2169 }
2170
2171 #if defined(FEAT_MOUSE) || defined(PROTO)
2172 /*
2173 * Do the appropriate action for the current mouse click in the current mode.
2174 * Not used for Command-line mode.
2175 *
2176 * Normal Mode:
2177 * event modi- position visual change action
2178 * fier cursor window
2179 * left press - yes end yes
2180 * left press C yes end yes "^]" (2)
2181 * left press S yes end yes "*" (2)
2182 * left drag - yes start if moved no
2183 * left relse - yes start if moved no
2184 * middle press - yes if not active no put register
2185 * middle press - yes if active no yank and put
2186 * right press - yes start or extend yes
2187 * right press S yes no change yes "#" (2)
2188 * right drag - yes extend no
2189 * right relse - yes extend no
2190 *
2191 * Insert or Replace Mode:
2192 * event modi- position visual change action
2193 * fier cursor window
2194 * left press - yes (cannot be active) yes
2195 * left press C yes (cannot be active) yes "CTRL-O^]" (2)
2196 * left press S yes (cannot be active) yes "CTRL-O*" (2)
2197 * left drag - yes start or extend (1) no CTRL-O (1)
2198 * left relse - yes start or extend (1) no CTRL-O (1)
2199 * middle press - no (cannot be active) no put register
2200 * right press - yes start or extend yes CTRL-O
2201 * right press S yes (cannot be active) yes "CTRL-O#" (2)
2202 *
2203 * (1) only if mouse pointer moved since press
2204 * (2) only if click is in same buffer
2205 *
2206 * Return TRUE if start_arrow() should be called for edit mode.
2207 */
2208 int
2209 do_mouse(oap, c, dir, count, fixindent)
2210 oparg_T *oap; /* operator argument, can be NULL */
2211 int c; /* K_LEFTMOUSE, etc */
2212 int dir; /* Direction to 'put' if necessary */
2213 long count;
2214 int fixindent; /* PUT_FIXINDENT if fixing indent necessary */
2215 {
2216 static int do_always = FALSE; /* ignore 'mouse' setting next time */
2217 static int got_click = FALSE; /* got a click some time back */
2218
2219 int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
2220 int is_click; /* If FALSE it's a drag or release event */
2221 int is_drag; /* If TRUE it's a drag event */
2222 int jump_flags = 0; /* flags for jump_to_mouse() */
2223 pos_T start_visual;
2224 int moved; /* Has cursor moved? */
2225 int in_status_line; /* mouse in status line */
2226 #ifdef FEAT_VERTSPLIT
2227 int in_sep_line; /* mouse in vertical separator line */
2228 #endif
2229 int c1, c2;
2230 #if defined(FEAT_FOLDING)
2231 pos_T save_cursor;
2232 #endif
2233 win_T *old_curwin = curwin;
2234 #ifdef FEAT_VISUAL
2235 static pos_T orig_cursor;
2236 colnr_T leftcol, rightcol;
2237 pos_T end_visual;
2238 int diff;
2239 int old_active = VIsual_active;
2240 int old_mode = VIsual_mode;
2241 #endif
2242 int regname;
2243
2244 #if defined(FEAT_FOLDING)
2245 save_cursor = curwin->w_cursor;
2246 #endif
2247
2248 /*
2249 * When GUI is active, always recognize mouse events, otherwise:
2250 * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2251 * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2252 * - For command line and insert mode 'mouse' is checked before calling
2253 * do_mouse().
2254 */
2255 if (do_always)
2256 do_always = FALSE;
2257 else
2258 #ifdef FEAT_GUI
2259 if (!gui.in_use)
2260 #endif
2261 {
2262 #ifdef FEAT_VISUAL
2263 if (VIsual_active)
2264 {
2265 if (!mouse_has(MOUSE_VISUAL))
2266 return FALSE;
2267 }
2268 else
2269 #endif
2270 if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2271 return FALSE;
2272 }
2273
2274 which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2275
2276 #ifdef FEAT_MOUSESHAPE
2277 /* May have stopped dragging the status or separator line. The pointer is
2278 * most likely still on the status or separator line. */
2279 if (!is_drag && drag_status_line)
2280 {
2281 drag_status_line = FALSE;
2282 update_mouseshape(SHAPE_IDX_STATUS);
2283 }
2284 # ifdef FEAT_VERTSPLIT
2285 if (!is_drag && drag_sep_line)
2286 {
2287 drag_sep_line = FALSE;
2288 update_mouseshape(SHAPE_IDX_VSEP);
2289 }
2290 # endif
2291 #endif
2292
2293 /*
2294 * Ignore drag and release events if we didn't get a click.
2295 */
2296 if (is_click)
2297 got_click = TRUE;
2298 else
2299 {
2300 if (!got_click) /* didn't get click, ignore */
2301 return FALSE;
2302 if (!is_drag) /* release, reset got_click */
2303 got_click = FALSE;
2304 }
2305
2306 #ifndef FEAT_VISUAL
2307 /*
2308 * ALT is only used for starging/extending Visual mode.
2309 */
2310 if ((mod_mask & MOD_MASK_ALT))
2311 return FALSE;
2312 #endif
2313
2314 /*
2315 * CTRL right mouse button does CTRL-T
2316 */
2317 if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2318 {
2319 if (State & INSERT)
2320 stuffcharReadbuff(Ctrl_O);
2321 if (count > 1)
2322 stuffnumReadbuff(count);
2323 stuffcharReadbuff(Ctrl_T);
2324 got_click = FALSE; /* ignore drag&release now */
2325 return FALSE;
2326 }
2327
2328 /*
2329 * CTRL only works with left mouse button
2330 */
2331 if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2332 return FALSE;
2333
2334 /*
2335 * When a modifier is down, ignore drag and release events, as well as
2336 * multiple clicks and the middle mouse button.
2337 * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2338 */
2339 if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2340 | MOD_MASK_META))
2341 && (!is_click
2342 || (mod_mask & MOD_MASK_MULTI_CLICK)
2343 || which_button == MOUSE_MIDDLE)
2344 && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2345 && mouse_model_popup()
2346 && which_button == MOUSE_LEFT)
2347 && !((mod_mask & MOD_MASK_ALT)
2348 && !mouse_model_popup()
2349 && which_button == MOUSE_RIGHT)
2350 )
2351 return FALSE;
2352
2353 /*
2354 * If the button press was used as the movement command for an operator
2355 * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2356 * drag/release events.
2357 */
2358 if (!is_click && which_button == MOUSE_MIDDLE)
2359 return FALSE;
2360
2361 if (oap != NULL)
2362 regname = oap->regname;
2363 else
2364 regname = 0;
2365
2366 /*
2367 * Middle mouse button does a 'put' of the selected text
2368 */
2369 if (which_button == MOUSE_MIDDLE)
2370 {
2371 if (State == NORMAL)
2372 {
2373 /*
2374 * If an operator was pending, we don't know what the user wanted
2375 * to do. Go back to normal mode: Clear the operator and beep().
2376 */
2377 if (oap != NULL && oap->op_type != OP_NOP)
2378 {
2379 clearopbeep(oap);
2380 return FALSE;
2381 }
2382
2383 #ifdef FEAT_VISUAL
2384 /*
2385 * If visual was active, yank the highlighted text and put it
2386 * before the mouse pointer position.
2387 * In Select mode replace the highlighted text with the clipboard.
2388 */
2389 if (VIsual_active)
2390 {
2391 if (VIsual_select)
2392 {
2393 stuffcharReadbuff(Ctrl_G);
2394 stuffReadbuff((char_u *)"\"+p");
2395 }
2396 else
2397 {
2398 stuffcharReadbuff('y');
2399 stuffcharReadbuff(K_MIDDLEMOUSE);
2400 }
2401 do_always = TRUE; /* ignore 'mouse' setting next time */
2402 return FALSE;
2403 }
2404 #endif
2405 /*
2406 * The rest is below jump_to_mouse()
2407 */
2408 }
2409
2410 else if ((State & INSERT) == 0)
2411 return FALSE;
2412
2413 /*
2414 * Middle click in insert mode doesn't move the mouse, just insert the
2415 * contents of a register. '.' register is special, can't insert that
2416 * with do_put().
2417 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2418 * happens for the GUI).
2419 */
2420 if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2421 {
2422 if (regname == '.')
2423 insert_reg(regname, TRUE);
2424 else
2425 {
2426 #ifdef FEAT_CLIPBOARD
2427 if (clip_star.available && regname == 0)
2428 regname = '*';
2429 #endif
2430 if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2431 insert_reg(regname, TRUE);
2432 else
2433 {
2434 do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2435
2436 /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2437 AppendCharToRedobuff(Ctrl_R);
2438 AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2439 AppendCharToRedobuff(regname == 0 ? '"' : regname);
2440 }
2441 }
2442 return FALSE;
2443 }
2444 }
2445
2446 /* When dragging or button-up stay in the same window. */
2447 if (!is_click)
2448 jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2449
2450 start_visual.lnum = 0;
2451
2452 #ifdef FEAT_WINDOWS
2453 /* Check for clicking in the tab page line. */
2454 if (mouse_row == 0 && firstwin->w_winrow > 0)
2455 {
2456 got_click = FALSE; /* ignore mouse-up and drag events */
2457
2458 /* click in a tab selects that tab page */
2459 if (is_click
2460 # ifdef FEAT_CMDWIN
2461 && cmdwin_type == 0
2462 # endif
2463 && mouse_col < Columns)
2464 {
2465 c1 = TabPageIdxs[mouse_col];
2466 if (c1 >= 0)
2467 {
2468 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2469 {
2470 /* double click opens new page */
2471 end_visual_mode();
2472 tabpage_new();
2473 tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2474 }
2475 else
2476 {
2477 /* Go to specified tab page, or next one if not clicking
2478 * on a label. */
2479 goto_tabpage(c1);
2480
2481 /* It's like clicking on the status line of a window. */
2482 if (curwin != old_curwin)
2483 end_visual_mode();
2484 }
2485 }
2486 else if (c1 < 0)
2487 {
2488 tabpage_T *tp;
2489
2490 /* Close the current or specified tab page. */
2491 if (c1 == -999)
2492 tp = curtab;
2493 else
2494 tp = find_tabpage(-c1);
2495 if (tp == curtab)
2496 {
2497 if (first_tabpage->tp_next != NULL)
2498 tabpage_close(FALSE);
2499 }
2500 else if (tp != NULL)
2501 tabpage_close_other(tp, FALSE);
2502 }
2503 }
2504 return TRUE;
2505 }
2506 #endif
2507
2508 /*
2509 * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2510 * right button up -> pop-up menu
2511 * shift-left button -> right button
2512 * alt-left button -> alt-right button
2513 */
2514 if (mouse_model_popup())
2515 {
2516 if (which_button == MOUSE_RIGHT
2517 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2518 {
2519 /*
2520 * NOTE: Ignore right button down and drag mouse events.
2521 * Windows only shows the popup menu on the button up event.
2522 */
2523 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2524 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2525 if (!is_click)
2526 return FALSE;
2527 #endif
2528 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2529 if (is_click || is_drag)
2530 return FALSE;
2531 #endif
2532 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2533 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2534 || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2535 if (gui.in_use)
2536 {
2537 jump_flags = 0;
2538 if (STRCMP(p_mousem, "popup_setpos") == 0)
2539 {
2540 /* First set the cursor position before showing the popup
2541 * menu. */
2542 #ifdef FEAT_VISUAL
2543 if (VIsual_active)
2544 {
2545 pos_T m_pos;
2546
2547 /*
2548 * set MOUSE_MAY_STOP_VIS if we are outside the
2549 * selection or the current window (might have false
2550 * negative here)
2551 */
2552 if (mouse_row < W_WINROW(curwin)
2553 || mouse_row
2554 > (W_WINROW(curwin) + curwin->w_height))
2555 jump_flags = MOUSE_MAY_STOP_VIS;
2556 else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2557 jump_flags = MOUSE_MAY_STOP_VIS;
2558 else
2559 {
2560 if ((lt(curwin->w_cursor, VIsual)
2561 && (lt(m_pos, curwin->w_cursor)
2562 || lt(VIsual, m_pos)))
2563 || (lt(VIsual, curwin->w_cursor)
2564 && (lt(m_pos, VIsual)
2565 || lt(curwin->w_cursor, m_pos))))
2566 {
2567 jump_flags = MOUSE_MAY_STOP_VIS;
2568 }
2569 else if (VIsual_mode == Ctrl_V)
2570 {
2571 getvcols(curwin, &curwin->w_cursor, &VIsual,
2572 &leftcol, &rightcol);
2573 getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2574 if (m_pos.col < leftcol || m_pos.col > rightcol)
2575 jump_flags = MOUSE_MAY_STOP_VIS;
2576 }
2577 }
2578 }
2579 else
2580 jump_flags = MOUSE_MAY_STOP_VIS;
2581 #endif
2582 }
2583 if (jump_flags)
2584 {
2585 jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2586 update_curbuf(
2587 #ifdef FEAT_VISUAL
2588 VIsual_active ? INVERTED :
2589 #endif
2590 VALID);
2591 setcursor();
2592 out_flush(); /* Update before showing popup menu */
2593 }
2594 # ifdef FEAT_MENU
2595 gui_show_popupmenu();
2596 # endif
2597 return (jump_flags & CURSOR_MOVED) != 0;
2598 }
2599 else
2600 return FALSE;
2601 #else
2602 return FALSE;
2603 #endif
2604 }
2605 if (which_button == MOUSE_LEFT
2606 && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2607 {
2608 which_button = MOUSE_RIGHT;
2609 mod_mask &= ~MOD_MASK_SHIFT;
2610 }
2611 }
2612
2613 #ifdef FEAT_VISUAL
2614 if ((State & (NORMAL | INSERT))
2615 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2616 {
2617 if (which_button == MOUSE_LEFT)
2618 {
2619 if (is_click)
2620 {
2621 /* stop Visual mode for a left click in a window, but not when
2622 * on a status line */
2623 if (VIsual_active)
2624 jump_flags |= MOUSE_MAY_STOP_VIS;
2625 }
2626 else if (mouse_has(MOUSE_VISUAL))
2627 jump_flags |= MOUSE_MAY_VIS;
2628 }
2629 else if (which_button == MOUSE_RIGHT)
2630 {
2631 if (is_click && VIsual_active)
2632 {
2633 /*
2634 * Remember the start and end of visual before moving the
2635 * cursor.
2636 */
2637 if (lt(curwin->w_cursor, VIsual))
2638 {
2639 start_visual = curwin->w_cursor;
2640 end_visual = VIsual;
2641 }
2642 else
2643 {
2644 start_visual = VIsual;
2645 end_visual = curwin->w_cursor;
2646 }
2647 }
2648 jump_flags |= MOUSE_FOCUS;
2649 if (mouse_has(MOUSE_VISUAL))
2650 jump_flags |= MOUSE_MAY_VIS;
2651 }
2652 }
2653 #endif
2654
2655 /*
2656 * If an operator is pending, ignore all drags and releases until the
2657 * next mouse click.
2658 */
2659 if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2660 {
2661 got_click = FALSE;
2662 oap->motion_type = MCHAR;
2663 }
2664
2665 /* When releasing the button let jump_to_mouse() know. */
2666 if (!is_click && !is_drag)
2667 jump_flags |= MOUSE_RELEASED;
2668
2669 /*
2670 * JUMP!
2671 */
2672 jump_flags = jump_to_mouse(jump_flags,
2673 oap == NULL ? NULL : &(oap->inclusive), which_button);
2674 moved = (jump_flags & CURSOR_MOVED);
2675 in_status_line = (jump_flags & IN_STATUS_LINE);
2676 #ifdef FEAT_VERTSPLIT
2677 in_sep_line = (jump_flags & IN_SEP_LINE);
2678 #endif
2679
2680 #ifdef FEAT_NETBEANS_INTG
2681 if (usingNetbeans && isNetbeansBuffer(curbuf)
2682 && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2683 {
2684 int key = KEY2TERMCAP1(c);
2685
2686 if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2687 || key == (int)KE_RIGHTRELEASE)
2688 netbeans_button_release(which_button);
2689 }
2690 #endif
2691
2692 /* When jumping to another window, clear a pending operator. That's a bit
2693 * friendlier than beeping and not jumping to that window. */
2694 if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2695 clearop(oap);
2696
2697 #ifdef FEAT_FOLDING
2698 if (mod_mask == 0
2699 && !is_drag
2700 && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2701 && which_button == MOUSE_LEFT)
2702 {
2703 /* open or close a fold at this line */
2704 if (jump_flags & MOUSE_FOLD_OPEN)
2705 openFold(curwin->w_cursor.lnum, 1L);
2706 else
2707 closeFold(curwin->w_cursor.lnum, 1L);
2708 /* don't move the cursor if still in the same window */
2709 if (curwin == old_curwin)
2710 curwin->w_cursor = save_cursor;
2711 }
2712 #endif
2713
2714 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2715 if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2716 {
2717 clip_modeless(which_button, is_click, is_drag);
2718 return FALSE;
2719 }
2720 #endif
2721
2722 #ifdef FEAT_VISUAL
2723 /* Set global flag that we are extending the Visual area with mouse
2724 * dragging; temporarily minimize 'scrolloff'. */
2725 if (VIsual_active && is_drag && p_so)
2726 {
2727 /* In the very first line, allow scrolling one line */
2728 if (mouse_row == 0)
2729 mouse_dragging = 2;
2730 else
2731 mouse_dragging = 1;
2732 }
2733
2734 /* When dragging the mouse above the window, scroll down. */
2735 if (is_drag && mouse_row < 0 && !in_status_line)
2736 {
2737 scroll_redraw(FALSE, 1L);
2738 mouse_row = 0;
2739 }
2740
2741 if (start_visual.lnum) /* right click in visual mode */
2742 {
2743 /* When ALT is pressed make Visual mode blockwise. */
2744 if (mod_mask & MOD_MASK_ALT)
2745 VIsual_mode = Ctrl_V;
2746
2747 /*
2748 * In Visual-block mode, divide the area in four, pick up the corner
2749 * that is in the quarter that the cursor is in.
2750 */
2751 if (VIsual_mode == Ctrl_V)
2752 {
2753 getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2754 if (curwin->w_curswant > (leftcol + rightcol) / 2)
2755 end_visual.col = leftcol;
2756 else
2757 end_visual.col = rightcol;
2758 if (curwin->w_cursor.lnum <
2759 (start_visual.lnum + end_visual.lnum) / 2)
2760 end_visual.lnum = end_visual.lnum;
2761 else
2762 end_visual.lnum = start_visual.lnum;
2763
2764 /* move VIsual to the right column */
2765 start_visual = curwin->w_cursor; /* save the cursor pos */
2766 curwin->w_cursor = end_visual;
2767 coladvance(end_visual.col);
2768 VIsual = curwin->w_cursor;
2769 curwin->w_cursor = start_visual; /* restore the cursor */
2770 }
2771 else
2772 {
2773 /*
2774 * If the click is before the start of visual, change the start.
2775 * If the click is after the end of visual, change the end. If
2776 * the click is inside the visual, change the closest side.
2777 */
2778 if (lt(curwin->w_cursor, start_visual))
2779 VIsual = end_visual;
2780 else if (lt(end_visual, curwin->w_cursor))
2781 VIsual = start_visual;
2782 else
2783 {
2784 /* In the same line, compare column number */
2785 if (end_visual.lnum == start_visual.lnum)
2786 {
2787 if (curwin->w_cursor.col - start_visual.col >
2788 end_visual.col - curwin->w_cursor.col)
2789 VIsual = start_visual;
2790 else
2791 VIsual = end_visual;
2792 }
2793
2794 /* In different lines, compare line number */
2795 else
2796 {
2797 diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2798 (end_visual.lnum - curwin->w_cursor.lnum);
2799
2800 if (diff > 0) /* closest to end */
2801 VIsual = start_visual;
2802 else if (diff < 0) /* closest to start */
2803 VIsual = end_visual;
2804 else /* in the middle line */
2805 {
2806 if (curwin->w_cursor.col <
2807 (start_visual.col + end_visual.col) / 2)
2808 VIsual = end_visual;
2809 else
2810 VIsual = start_visual;
2811 }
2812 }
2813 }
2814 }
2815 }
2816 /*
2817 * If Visual mode started in insert mode, execute "CTRL-O"
2818 */
2819 else if ((State & INSERT) && VIsual_active)
2820 stuffcharReadbuff(Ctrl_O);
2821 #endif
2822
2823 /*
2824 * Middle mouse click: Put text before cursor.
2825 */
2826 if (which_button == MOUSE_MIDDLE)
2827 {
2828 #ifdef FEAT_CLIPBOARD
2829 if (clip_star.available && regname == 0)
2830 regname = '*';
2831 #endif
2832 if (yank_register_mline(regname))
2833 {
2834 if (mouse_past_bottom)
2835 dir = FORWARD;
2836 }
2837 else if (mouse_past_eol)
2838 dir = FORWARD;
2839
2840 if (fixindent)
2841 {
2842 c1 = (dir == BACKWARD) ? '[' : ']';
2843 c2 = 'p';
2844 }
2845 else
2846 {
2847 c1 = (dir == FORWARD) ? 'p' : 'P';
2848 c2 = NUL;
2849 }
2850 prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2851
2852 /*
2853 * Remember where the paste started, so in edit() Insstart can be set
2854 * to this position
2855 */
2856 if (restart_edit != 0)
2857 where_paste_started = curwin->w_cursor;
2858 do_put(regname, dir, count, fixindent | PUT_CURSEND);
2859 }
2860
2861 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2862 /*
2863 * Ctrl-Mouse click or double click in a quickfix window jumps to the
2864 * error under the mouse pointer.
2865 */
2866 else if (((mod_mask & MOD_MASK_CTRL)
2867 || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2868 && bt_quickfix(curbuf))
2869 {
2870 if (State & INSERT)
2871 stuffcharReadbuff(Ctrl_O);
2872 if (curwin->w_llist_ref == NULL) /* quickfix window */
2873 stuffReadbuff((char_u *)":.cc\n");
2874 else /* location list window */
2875 stuffReadbuff((char_u *)":.ll\n");
2876 got_click = FALSE; /* ignore drag&release now */
2877 }
2878 #endif
2879
2880 /*
2881 * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2882 * under the mouse pointer.
2883 */
2884 else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2885 && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2886 {
2887 if (State & INSERT)
2888 stuffcharReadbuff(Ctrl_O);
2889 stuffcharReadbuff(Ctrl_RSB);
2890 got_click = FALSE; /* ignore drag&release now */
2891 }
2892
2893 /*
2894 * Shift-Mouse click searches for the next occurrence of the word under
2895 * the mouse pointer
2896 */
2897 else if ((mod_mask & MOD_MASK_SHIFT))
2898 {
2899 if (State & INSERT
2900 #ifdef FEAT_VISUAL
2901 || (VIsual_active && VIsual_select)
2902 #endif
2903 )
2904 stuffcharReadbuff(Ctrl_O);
2905 if (which_button == MOUSE_LEFT)
2906 stuffcharReadbuff('*');
2907 else /* MOUSE_RIGHT */
2908 stuffcharReadbuff('#');
2909 }
2910
2911 /* Handle double clicks, unless on status line */
2912 else if (in_status_line)
2913 {
2914 #ifdef FEAT_MOUSESHAPE
2915 if ((is_drag || is_click) && !drag_status_line)
2916 {
2917 drag_status_line = TRUE;
2918 update_mouseshape(-1);
2919 }
2920 #endif
2921 }
2922 #ifdef FEAT_VERTSPLIT
2923 else if (in_sep_line)
2924 {
2925 # ifdef FEAT_MOUSESHAPE
2926 if ((is_drag || is_click) && !drag_sep_line)
2927 {
2928 drag_sep_line = TRUE;
2929 update_mouseshape(-1);
2930 }
2931 # endif
2932 }
2933 #endif
2934 #ifdef FEAT_VISUAL
2935 else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2936 && mouse_has(MOUSE_VISUAL))
2937 {
2938 if (is_click || !VIsual_active)
2939 {
2940 if (VIsual_active)
2941 orig_cursor = VIsual;
2942 else
2943 {
2944 check_visual_highlight();
2945 VIsual = curwin->w_cursor;
2946 orig_cursor = VIsual;
2947 VIsual_active = TRUE;
2948 VIsual_reselect = TRUE;
2949 /* start Select mode if 'selectmode' contains "mouse" */
2950 may_start_select('o');
2951 setmouse();
2952 }
2953 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2954 {
2955 /* Double click with ALT pressed makes it blockwise. */
2956 if (mod_mask & MOD_MASK_ALT)
2957 VIsual_mode = Ctrl_V;
2958 else
2959 VIsual_mode = 'v';
2960 }
2961 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
2962 VIsual_mode = 'V';
2963 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
2964 VIsual_mode = Ctrl_V;
2965 #ifdef FEAT_CLIPBOARD
2966 /* Make sure the clipboard gets updated. Needed because start and
2967 * end may still be the same, and the selection needs to be owned */
2968 clip_star.vmode = NUL;
2969 #endif
2970 }
2971 /*
2972 * A double click selects a word or a block.
2973 */
2974 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2975 {
2976 pos_T *pos = NULL;
2977 int gc;
2978
2979 if (is_click)
2980 {
2981 /* If the character under the cursor (skipping white space) is
2982 * not a word character, try finding a match and select a (),
2983 * {}, [], #if/#endif, etc. block. */
2984 end_visual = curwin->w_cursor;
2985 while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
2986 inc(&end_visual);
2987 if (oap != NULL)
2988 oap->motion_type = MCHAR;
2989 if (oap != NULL
2990 && VIsual_mode == 'v'
2991 && !vim_iswordc(gchar_pos(&end_visual))
2992 && equalpos(curwin->w_cursor, VIsual)
2993 && (pos = findmatch(oap, NUL)) != NULL)
2994 {
2995 curwin->w_cursor = *pos;
2996 if (oap->motion_type == MLINE)
2997 VIsual_mode = 'V';
2998 else if (*p_sel == 'e')
2999 {
3000 if (lt(curwin->w_cursor, VIsual))
3001 ++VIsual.col;
3002 else
3003 ++curwin->w_cursor.col;
3004 }
3005 }
3006 }
3007
3008 if (pos == NULL && (is_click || is_drag))
3009 {
3010 /* When not found a match or when dragging: extend to include
3011 * a word. */
3012 if (lt(curwin->w_cursor, orig_cursor))
3013 {
3014 find_start_of_word(&curwin->w_cursor);
3015 find_end_of_word(&VIsual);
3016 }
3017 else
3018 {
3019 find_start_of_word(&VIsual);
3020 if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3021 #ifdef FEAT_MBYTE
3022 curwin->w_cursor.col +=
3023 (*mb_ptr2len)(ml_get_cursor());
3024 #else
3025 ++curwin->w_cursor.col;
3026 #endif
3027 find_end_of_word(&curwin->w_cursor);
3028 }
3029 }
3030 curwin->w_set_curswant = TRUE;
3031 }
3032 if (is_click)
3033 redraw_curbuf_later(INVERTED); /* update the inversion */
3034 }
3035 else if (VIsual_active && !old_active)
3036 {
3037 if (mod_mask & MOD_MASK_ALT)
3038 VIsual_mode = Ctrl_V;
3039 else
3040 VIsual_mode = 'v';
3041 }
3042
3043 /* If Visual mode changed show it later. */
3044 if ((!VIsual_active && old_active && mode_displayed)
3045 || (VIsual_active && p_smd && msg_silent == 0
3046 && (!old_active || VIsual_mode != old_mode)))
3047 redraw_cmdline = TRUE;
3048 #endif
3049
3050 return moved;
3051 }
3052
3053 #ifdef FEAT_VISUAL
3054 /*
3055 * Move "pos" back to the start of the word it's in.
3056 */
3057 static void
3058 find_start_of_word(pos)
3059 pos_T *pos;
3060 {
3061 char_u *line;
3062 int cclass;
3063 int col;
3064
3065 line = ml_get(pos->lnum);
3066 cclass = get_mouse_class(line + pos->col);
3067
3068 while (pos->col > 0)
3069 {
3070 col = pos->col - 1;
3071 #ifdef FEAT_MBYTE
3072 col -= (*mb_head_off)(line, line + col);
3073 #endif
3074 if (get_mouse_class(line + col) != cclass)
3075 break;
3076 pos->col = col;
3077 }
3078 }
3079
3080 /*
3081 * Move "pos" forward to the end of the word it's in.
3082 * When 'selection' is "exclusive", the position is just after the word.
3083 */
3084 static void
3085 find_end_of_word(pos)
3086 pos_T *pos;
3087 {
3088 char_u *line;
3089 int cclass;
3090 int col;
3091
3092 line = ml_get(pos->lnum);
3093 if (*p_sel == 'e' && pos->col > 0)
3094 {
3095 --pos->col;
3096 #ifdef FEAT_MBYTE
3097 pos->col -= (*mb_head_off)(line, line + pos->col);
3098 #endif
3099 }
3100 cclass = get_mouse_class(line + pos->col);
3101 while (line[pos->col] != NUL)
3102 {
3103 #ifdef FEAT_MBYTE
3104 col = pos->col + (*mb_ptr2len)(line + pos->col);
3105 #else
3106 col = pos->col + 1;
3107 #endif
3108 if (get_mouse_class(line + col) != cclass)
3109 {
3110 if (*p_sel == 'e')
3111 pos->col = col;
3112 break;
3113 }
3114 pos->col = col;
3115 }
3116 }
3117
3118 /*
3119 * Get class of a character for selection: same class means same word.
3120 * 0: blank
3121 * 1: punctuation groups
3122 * 2: normal word character
3123 * >2: multi-byte word character.
3124 */
3125 static int
3126 get_mouse_class(p)
3127 char_u *p;
3128 {
3129 int c;
3130
3131 #ifdef FEAT_MBYTE
3132 if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3133 return mb_get_class(p);
3134 #endif
3135
3136 c = *p;
3137 if (c == ' ' || c == '\t')
3138 return 0;
3139
3140 if (vim_iswordc(c))
3141 return 2;
3142
3143 /*
3144 * There are a few special cases where we want certain combinations of
3145 * characters to be considered as a single word. These are things like
3146 * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
3147 * character is in it's own class.
3148 */
3149 if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3150 return 1;
3151 return c;
3152 }
3153 #endif /* FEAT_VISUAL */
3154 #endif /* FEAT_MOUSE */
3155
3156 #if defined(FEAT_VISUAL) || defined(PROTO)
3157 /*
3158 * Check if highlighting for visual mode is possible, give a warning message
3159 * if not.
3160 */
3161 void
3162 check_visual_highlight()
3163 {
3164 static int did_check = FALSE;
3165
3166 if (full_screen)
3167 {
3168 if (!did_check && hl_attr(HLF_V) == 0)
3169 MSG(_("Warning: terminal cannot highlight"));
3170 did_check = TRUE;
3171 }
3172 }
3173
3174 /*
3175 * End Visual mode.
3176 * This function should ALWAYS be called to end Visual mode, except from
3177 * do_pending_operator().
3178 */
3179 void
3180 end_visual_mode()
3181 {
3182 #ifdef FEAT_CLIPBOARD
3183 /*
3184 * If we are using the clipboard, then remember what was selected in case
3185 * we need to paste it somewhere while we still own the selection.
3186 * Only do this when the clipboard is already owned. Don't want to grab
3187 * the selection when hitting ESC.
3188 */
3189 if (clip_star.available && clip_star.owned)
3190 clip_auto_select();
3191 #endif
3192
3193 VIsual_active = FALSE;
3194 #ifdef FEAT_MOUSE
3195 setmouse();
3196 mouse_dragging = 0;
3197 #endif
3198
3199 /* Save the current VIsual area for '< and '> marks, and "gv" */
3200 curbuf->b_visual.vi_mode = VIsual_mode;
3201 curbuf->b_visual.vi_start = VIsual;
3202 curbuf->b_visual.vi_end = curwin->w_cursor;
3203 curbuf->b_visual.vi_curswant = curwin->w_curswant;
3204 #ifdef FEAT_EVAL
3205 curbuf->b_visual_mode_eval = VIsual_mode;
3206 #endif
3207 #ifdef FEAT_VIRTUALEDIT
3208 if (!virtual_active())
3209 curwin->w_cursor.coladd = 0;
3210 #endif
3211
3212 if (mode_displayed)
3213 clear_cmdline = TRUE; /* unshow visual mode later */
3214 #ifdef FEAT_CMDL_INFO
3215 else
3216 clear_showcmd();
3217 #endif
3218
3219 adjust_cursor_eol();
3220 }
3221
3222 /*
3223 * Reset VIsual_active and VIsual_reselect.
3224 */
3225 void
3226 reset_VIsual_and_resel()
3227 {
3228 if (VIsual_active)
3229 {
3230 end_visual_mode();
3231 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3232 }
3233 VIsual_reselect = FALSE;
3234 }
3235
3236 /*
3237 * Reset VIsual_active and VIsual_reselect if it's set.
3238 */
3239 void
3240 reset_VIsual()
3241 {
3242 if (VIsual_active)
3243 {
3244 end_visual_mode();
3245 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3246 VIsual_reselect = FALSE;
3247 }
3248 }
3249 #endif /* FEAT_VISUAL */
3250
3251 #if defined(FEAT_BEVAL)
3252 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3253
3254 /*
3255 * Check for a balloon-eval special item to include when searching for an
3256 * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
3257 * Returns TRUE if the character at "*ptr" should be included.
3258 * "dir" is FORWARD or BACKWARD, the direction of searching.
3259 * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3260 * "bnp" points to a counter for square brackets.
3261 */
3262 static int
3263 find_is_eval_item(ptr, colp, bnp, dir)
3264 char_u *ptr;
3265 int *colp;
3266 int *bnp;
3267 int dir;
3268 {
3269 /* Accept everything inside []. */
3270 if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3271 ++*bnp;
3272 if (*bnp > 0)
3273 {
3274 if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3275 --*bnp;
3276 return TRUE;
3277 }
3278
3279 /* skip over "s.var" */
3280 if (*ptr == '.')
3281 return TRUE;
3282
3283 /* two-character item: s->var */
3284 if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3285 && ptr[dir == BACKWARD ? -1 : 0] == '-')
3286 {
3287 *colp += dir;
3288 return TRUE;
3289 }
3290 return FALSE;
3291 }
3292 #endif
3293
3294 /*
3295 * Find the identifier under or to the right of the cursor.
3296 * "find_type" can have one of three values:
3297 * FIND_IDENT: find an identifier (keyword)
3298 * FIND_STRING: find any non-white string
3299 * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3300 * FIND_EVAL: find text useful for C program debugging
3301 *
3302 * There are three steps:
3303 * 1. Search forward for the start of an identifier/string. Doesn't move if
3304 * already on one.
3305 * 2. Search backward for the start of this identifier/string.
3306 * This doesn't match the real Vi but I like it a little better and it
3307 * shouldn't bother anyone.
3308 * 3. Search forward to the end of this identifier/string.
3309 * When FIND_IDENT isn't defined, we backup until a blank.
3310 *
3311 * Returns the length of the string, or zero if no string is found.
3312 * If a string is found, a pointer to the string is put in "*string". This
3313 * string is not always NUL terminated.
3314 */
3315 int
3316 find_ident_under_cursor(string, find_type)
3317 char_u **string;
3318 int find_type;
3319 {
3320 return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3321 curwin->w_cursor.col, string, find_type);
3322 }
3323
3324 /*
3325 * Like find_ident_under_cursor(), but for any window and any position.
3326 * However: Uses 'iskeyword' from the current window!.
3327 */
3328 int
3329 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3330 win_T *wp;
3331 linenr_T lnum;
3332 colnr_T startcol;
3333 char_u **string;
3334 int find_type;
3335 {
3336 char_u *ptr;
3337 int col = 0; /* init to shut up GCC */
3338 int i;
3339 #ifdef FEAT_MBYTE
3340 int this_class = 0;
3341 int prev_class;
3342 int prevcol;
3343 #endif
3344 #if defined(FEAT_BEVAL)
3345 int bn = 0; /* bracket nesting */
3346 #endif
3347
3348 /*
3349 * if i == 0: try to find an identifier
3350 * if i == 1: try to find any non-white string
3351 */
3352 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3353 for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
3354 {
3355 /*
3356 * 1. skip to start of identifier/string
3357 */
3358 col = startcol;
3359 #ifdef FEAT_MBYTE
3360 if (has_mbyte)
3361 {
3362 while (ptr[col] != NUL)
3363 {
3364 # if defined(FEAT_BEVAL)
3365 /* Stop at a ']' to evaluate "a[x]". */
3366 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3367 break;
3368 # endif
3369 this_class = mb_get_class(ptr + col);
3370 if (this_class != 0 && (i == 1 || this_class != 1))
3371 break;
3372 col += (*mb_ptr2len)(ptr + col);
3373 }
3374 }
3375 else
3376 #endif
3377 while (ptr[col] != NUL
3378 && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3379 # if defined(FEAT_BEVAL)
3380 && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3381 # endif
3382 )
3383 ++col;
3384
3385 #if defined(FEAT_BEVAL)
3386 /* When starting on a ']' count it, so that we include the '['. */
3387 bn = ptr[col] == ']';
3388 #endif
3389
3390 /*
3391 * 2. Back up to start of identifier/string.
3392 */
3393 #ifdef FEAT_MBYTE
3394 if (has_mbyte)
3395 {
3396 /* Remember class of character under cursor. */
3397 # if defined(FEAT_BEVAL)
3398 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3399 this_class = mb_get_class((char_u *)"a");
3400 else
3401 # endif
3402 this_class = mb_get_class(ptr + col);
3403 while (col > 0 && this_class != 0)
3404 {
3405 prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3406 prev_class = mb_get_class(ptr + prevcol);
3407 if (this_class != prev_class
3408 && (i == 0
3409 || prev_class == 0
3410 || (find_type & FIND_IDENT))
3411 # if defined(FEAT_BEVAL)
3412 && (!(find_type & FIND_EVAL)
3413 || prevcol == 0
3414 || !find_is_eval_item(ptr + prevcol, &prevcol,
3415 &bn, BACKWARD))
3416 # endif
3417 )
3418 break;
3419 col = prevcol;
3420 }
3421
3422 /* If we don't want just any old string, or we've found an
3423 * identifier, stop searching. */
3424 if (this_class > 2)
3425 this_class = 2;
3426 if (!(find_type & FIND_STRING) || this_class == 2)
3427 break;
3428 }
3429 else
3430 #endif
3431 {
3432 while (col > 0
3433 && ((i == 0
3434 ? vim_iswordc(ptr[col - 1])
3435 : (!vim_iswhite(ptr[col - 1])
3436 && (!(find_type & FIND_IDENT)
3437 || !vim_iswordc(ptr[col - 1]))))
3438 #if defined(FEAT_BEVAL)
3439 || ((find_type & FIND_EVAL)
3440 && col > 1
3441 && find_is_eval_item(ptr + col - 1, &col,
3442 &bn, BACKWARD))
3443 #endif
3444 ))
3445 --col;
3446
3447 /* If we don't want just any old string, or we've found an
3448 * identifier, stop searching. */
3449 if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3450 break;
3451 }
3452 }
3453
3454 if (ptr[col] == NUL || (i == 0 && (
3455 #ifdef FEAT_MBYTE
3456 has_mbyte ? this_class != 2 :
3457 #endif
3458 !vim_iswordc(ptr[col]))))
3459 {
3460 /*
3461 * didn't find an identifier or string
3462 */
3463 if (find_type & FIND_STRING)
3464 EMSG(_("E348: No string under cursor"));
3465 else
3466 EMSG(_("E349: No identifier under cursor"));
3467 return 0;
3468 }
3469 ptr += col;
3470 *string = ptr;
3471
3472 /*
3473 * 3. Find the end if the identifier/string.
3474 */
3475 #if defined(FEAT_BEVAL)
3476 bn = 0;
3477 startcol -= col;
3478 #endif
3479 col = 0;
3480 #ifdef FEAT_MBYTE
3481 if (has_mbyte)
3482 {
3483 /* Search for point of changing multibyte character class. */
3484 this_class = mb_get_class(ptr);
3485 while (ptr[col] != NUL
3486 && ((i == 0 ? mb_get_class(ptr + col) == this_class
3487 : mb_get_class(ptr + col) != 0)
3488 # if defined(FEAT_BEVAL)
3489 || ((find_type & FIND_EVAL)
3490 && col <= (int)startcol
3491 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3492 # endif
3493 ))
3494 col += (*mb_ptr2len)(ptr + col);
3495 }
3496 else
3497 #endif
3498 while ((i == 0 ? vim_iswordc(ptr[col])
3499 : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3500 # if defined(FEAT_BEVAL)
3501 || ((find_type & FIND_EVAL)
3502 && col <= (int)startcol
3503 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3504 # endif
3505 )
3506 {
3507 ++col;
3508 }
3509
3510 return col;
3511 }
3512
3513 /*
3514 * Prepare for redo of a normal command.
3515 */
3516 static void
3517 prep_redo_cmd(cap)
3518 cmdarg_T *cap;
3519 {
3520 prep_redo(cap->oap->regname, cap->count0,
3521 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3522 }
3523
3524 /*
3525 * Prepare for redo of any command.
3526 * Note that only the last argument can be a multi-byte char.
3527 */
3528 static void
3529 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3530 int regname;
3531 long num;
3532 int cmd1;
3533 int cmd2;
3534 int cmd3;
3535 int cmd4;
3536 int cmd5;
3537 {
3538 ResetRedobuff();
3539 if (regname != 0) /* yank from specified buffer */
3540 {
3541 AppendCharToRedobuff('"');
3542 AppendCharToRedobuff(regname);
3543 }
3544 if (num)
3545 AppendNumberToRedobuff(num);
3546
3547 if (cmd1 != NUL)
3548 AppendCharToRedobuff(cmd1);
3549 if (cmd2 != NUL)
3550 AppendCharToRedobuff(cmd2);
3551 if (cmd3 != NUL)
3552 AppendCharToRedobuff(cmd3);
3553 if (cmd4 != NUL)
3554 AppendCharToRedobuff(cmd4);
3555 if (cmd5 != NUL)
3556 AppendCharToRedobuff(cmd5);
3557 }
3558
3559 /*
3560 * check for operator active and clear it
3561 *
3562 * return TRUE if operator was active
3563 */
3564 static int
3565 checkclearop(oap)
3566 oparg_T *oap;
3567 {
3568 if (oap->op_type == OP_NOP)
3569 return FALSE;
3570 clearopbeep(oap);
3571 return TRUE;
3572 }
3573
3574 /*
3575 * Check for operator or Visual active. Clear active operator.
3576 *
3577 * Return TRUE if operator or Visual was active.
3578 */
3579 static int
3580 checkclearopq(oap)
3581 oparg_T *oap;
3582 {
3583 if (oap->op_type == OP_NOP
3584 #ifdef FEAT_VISUAL
3585 && !VIsual_active
3586 #endif
3587 )
3588 return FALSE;
3589 clearopbeep(oap);
3590 return TRUE;
3591 }
3592
3593 static void
3594 clearop(oap)
3595 oparg_T *oap;
3596 {
3597 oap->op_type = OP_NOP;
3598 oap->regname = 0;
3599 oap->motion_force = NUL;
3600 oap->use_reg_one = FALSE;
3601 }
3602
3603 static void
3604 clearopbeep(oap)
3605 oparg_T *oap;
3606 {
3607 clearop(oap);
3608 beep_flush();
3609 }
3610
3611 #ifdef FEAT_VISUAL
3612 /*
3613 * Remove the shift modifier from a special key.
3614 */
3615 static void
3616 unshift_special(cap)
3617 cmdarg_T *cap;
3618 {
3619 switch (cap->cmdchar)
3620 {
3621 case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
3622 case K_S_LEFT: cap->cmdchar = K_LEFT; break;
3623 case K_S_UP: cap->cmdchar = K_UP; break;
3624 case K_S_DOWN: cap->cmdchar = K_DOWN; break;
3625 case K_S_HOME: cap->cmdchar = K_HOME; break;
3626 case K_S_END: cap->cmdchar = K_END; break;
3627 }
3628 cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3629 }
3630 #endif
3631
3632 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3633 /*
3634 * Routines for displaying a partly typed command
3635 */
3636
3637 #ifdef FEAT_VISUAL /* need room for size of Visual area */
3638 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3639 #else
3640 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3641 #endif
3642 static char_u showcmd_buf[SHOWCMD_BUFLEN];
3643 static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
3644 static int showcmd_is_clear = TRUE;
3645 static int showcmd_visual = FALSE;
3646
3647 static void display_showcmd __ARGS((void));
3648
3649 void
3650 clear_showcmd()
3651 {
3652 if (!p_sc)
3653 return;
3654
3655 #ifdef FEAT_VISUAL
3656 if (VIsual_active && !char_avail())
3657 {
3658 int i = lt(VIsual, curwin->w_cursor);
3659 long lines;
3660 colnr_T leftcol, rightcol;
3661 linenr_T top, bot;
3662
3663 /* Show the size of the Visual area. */
3664 if (i)
3665 {
3666 top = VIsual.lnum;
3667 bot = curwin->w_cursor.lnum;
3668 }
3669 else
3670 {
3671 top = curwin->w_cursor.lnum;
3672 bot = VIsual.lnum;
3673 }
3674 # ifdef FEAT_FOLDING
3675 /* Include closed folds as a whole. */
3676 hasFolding(top, &top, NULL);
3677 hasFolding(bot, NULL, &bot);
3678 # endif
3679 lines = bot - top + 1;
3680
3681 if (VIsual_mode == Ctrl_V)
3682 {
3683 getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3684 sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3685 (long)(rightcol - leftcol + 1));
3686 }
3687 else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3688 sprintf((char *)showcmd_buf, "%ld", lines);
3689 else
3690 sprintf((char *)showcmd_buf, "%ld", (long)(i
3691 ? curwin->w_cursor.col - VIsual.col
3692 : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3693 showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */
3694 showcmd_visual = TRUE;
3695 }
3696 else
3697 #endif
3698 {
3699 showcmd_buf[0] = NUL;
3700 showcmd_visual = FALSE;
3701
3702 /* Don't actually display something if there is nothing to clear. */
3703 if (showcmd_is_clear)
3704 return;
3705 }
3706
3707 display_showcmd();
3708 }
3709
3710 /*
3711 * Add 'c' to string of shown command chars.
3712 * Return TRUE if output has been written (and setcursor() has been called).
3713 */
3714 int
3715 add_to_showcmd(c)
3716 int c;
3717 {
3718 char_u *p;
3719 int old_len;
3720 int extra_len;
3721 int overflow;
3722 #if defined(FEAT_MOUSE)
3723 int i;
3724 static int ignore[] =
3725 {
3726 # ifdef FEAT_GUI
3727 K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3728 K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3729 # endif
3730 K_IGNORE,
3731 K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3732 K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3733 K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3734 K_MOUSEDOWN, K_MOUSEUP,
3735 K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3736 K_CURSORHOLD,
3737 0
3738 };
3739 #endif
3740
3741 if (!p_sc || msg_silent != 0)
3742 return FALSE;
3743
3744 if (showcmd_visual)
3745 {
3746 showcmd_buf[0] = NUL;
3747 showcmd_visual = FALSE;
3748 }
3749
3750 #if defined(FEAT_MOUSE)
3751 /* Ignore keys that are scrollbar updates and mouse clicks */
3752 if (IS_SPECIAL(c))
3753 for (i = 0; ignore[i] != 0; ++i)
3754 if (ignore[i] == c)
3755 return FALSE;
3756 #endif
3757
3758 p = transchar(c);
3759 old_len = (int)STRLEN(showcmd_buf);
3760 extra_len = (int)STRLEN(p);
3761 overflow = old_len + extra_len - SHOWCMD_COLS;
3762 if (overflow > 0)
3763 STRCPY(showcmd_buf, showcmd_buf + overflow);
3764 STRCAT(showcmd_buf, p);
3765
3766 if (char_avail())
3767 return FALSE;
3768
3769 display_showcmd();
3770
3771 return TRUE;
3772 }
3773
3774 void
3775 add_to_showcmd_c(c)
3776 int c;
3777 {
3778 if (!add_to_showcmd(c))
3779 setcursor();
3780 }
3781
3782 /*
3783 * Delete 'len' characters from the end of the shown command.
3784 */
3785 static void
3786 del_from_showcmd(len)
3787 int len;
3788 {
3789 int old_len;
3790
3791 if (!p_sc)
3792 return;
3793
3794 old_len = (int)STRLEN(showcmd_buf);
3795 if (len > old_len)
3796 len = old_len;
3797 showcmd_buf[old_len - len] = NUL;
3798
3799 if (!char_avail())
3800 display_showcmd();
3801 }
3802
3803 /*
3804 * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3805 * something and there is a partial mapping.
3806 */
3807 void
3808 push_showcmd()
3809 {
3810 if (p_sc)
3811 STRCPY(old_showcmd_buf, showcmd_buf);
3812 }
3813
3814 void
3815 pop_showcmd()
3816 {
3817 if (!p_sc)
3818 return;
3819
3820 STRCPY(showcmd_buf, old_showcmd_buf);
3821
3822 display_showcmd();
3823 }
3824
3825 static void
3826 display_showcmd()
3827 {
3828 int len;
3829
3830 cursor_off();
3831
3832 len = (int)STRLEN(showcmd_buf);
3833 if (len == 0)
3834 showcmd_is_clear = TRUE;
3835 else
3836 {
3837 screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3838 showcmd_is_clear = FALSE;
3839 }
3840
3841 /*
3842 * clear the rest of an old message by outputting up to SHOWCMD_COLS
3843 * spaces
3844 */
3845 screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0);
3846
3847 setcursor(); /* put cursor back where it belongs */
3848 }
3849 #endif
3850
3851 #ifdef FEAT_SCROLLBIND
3852 /*
3853 * When "check" is FALSE, prepare for commands that scroll the window.
3854 * When "check" is TRUE, take care of scroll-binding after the window has
3855 * scrolled. Called from normal_cmd() and edit().
3856 */
3857 void
3858 do_check_scrollbind(check)
3859 int check;
3860 {
3861 static win_T *old_curwin = NULL;
3862 static linenr_T old_topline = 0;
3863 #ifdef FEAT_DIFF
3864 static int old_topfill = 0;
3865 #endif
3866 static buf_T *old_buf = NULL;
3867 static colnr_T old_leftcol = 0;
3868
3869 if (check && curwin->w_p_scb)
3870 {
3871 /* If a ":syncbind" command was just used, don't scroll, only reset
3872 * the values. */
3873 if (did_syncbind)
3874 did_syncbind = FALSE;
3875 else if (curwin == old_curwin)
3876 {
3877 /*
3878 * Synchronize other windows, as necessary according to
3879 * 'scrollbind'. Don't do this after an ":edit" command, except
3880 * when 'diff' is set.
3881 */
3882 if ((curwin->w_buffer == old_buf
3883 #ifdef FEAT_DIFF
3884 || curwin->w_p_diff
3885 #endif
3886 )
3887 && (curwin->w_topline != old_topline
3888 #ifdef FEAT_DIFF
3889 || curwin->w_topfill != old_topfill
3890 #endif
3891 || curwin->w_leftcol != old_leftcol))
3892 {
3893 check_scrollbind(curwin->w_topline - old_topline,
3894 (long)(curwin->w_leftcol - old_leftcol));
3895 }
3896 }
3897 else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3898 {
3899 /*
3900 * When switching between windows, make sure that the relative
3901 * vertical offset is valid for the new window. The relative
3902 * offset is invalid whenever another 'scrollbind' window has
3903 * scrolled to a point that would force the current window to
3904 * scroll past the beginning or end of its buffer. When the
3905 * resync is performed, some of the other 'scrollbind' windows may
3906 * need to jump so that the current window's relative position is
3907 * visible on-screen.
3908 */
3909 check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3910 }
3911 curwin->w_scbind_pos = curwin->w_topline;
3912 }
3913
3914 old_curwin = curwin;
3915 old_topline = curwin->w_topline;
3916 #ifdef FEAT_DIFF
3917 old_topfill = curwin->w_topfill;
3918 #endif
3919 old_buf = curwin->w_buffer;
3920 old_leftcol = curwin->w_leftcol;
3921 }
3922
3923 /*
3924 * Synchronize any windows that have "scrollbind" set, based on the
3925 * number of rows by which the current window has changed
3926 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
3927 */
3928 void
3929 check_scrollbind(topline_diff, leftcol_diff)
3930 linenr_T topline_diff;
3931 long leftcol_diff;
3932 {
3933 int want_ver;
3934 int want_hor;
3935 win_T *old_curwin = curwin;
3936 buf_T *old_curbuf = curbuf;
3937 #ifdef FEAT_VISUAL
3938 int old_VIsual_select = VIsual_select;
3939 int old_VIsual_active = VIsual_active;
3940 #endif
3941 colnr_T tgt_leftcol = curwin->w_leftcol;
3942 long topline;
3943 long y;
3944
3945 /*
3946 * check 'scrollopt' string for vertical and horizontal scroll options
3947 */
3948 want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
3949 #ifdef FEAT_DIFF
3950 want_ver |= old_curwin->w_p_diff;
3951 #endif
3952 want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
3953
3954 /*
3955 * loop through the scrollbound windows and scroll accordingly
3956 */
3957 #ifdef FEAT_VISUAL
3958 VIsual_select = VIsual_active = 0;
3959 #endif
3960 for (curwin = firstwin; curwin; curwin = curwin->w_next)
3961 {
3962 curbuf = curwin->w_buffer;
3963 /* skip original window and windows with 'noscrollbind' */
3964 if (curwin != old_curwin && curwin->w_p_scb)
3965 {
3966 /*
3967 * do the vertical scroll
3968 */
3969 if (want_ver)
3970 {
3971 #ifdef FEAT_DIFF
3972 if (old_curwin->w_p_diff && curwin->w_p_diff)
3973 {
3974 diff_set_topline(old_curwin, curwin);
3975 }
3976 else
3977 #endif
3978 {
3979 curwin->w_scbind_pos += topline_diff;
3980 topline = curwin->w_scbind_pos;
3981 if (topline > curbuf->b_ml.ml_line_count)
3982 topline = curbuf->b_ml.ml_line_count;
3983 if (topline < 1)
3984 topline = 1;
3985
3986 y = topline - curwin->w_topline;
3987 if (y > 0)
3988 scrollup(y, FALSE);
3989 else
3990 scrolldown(-y, FALSE);
3991 }
3992
3993 redraw_later(VALID);
3994 cursor_correct();
3995 #ifdef FEAT_WINDOWS
3996 curwin->w_redr_status = TRUE;
3997 #endif
3998 }
3999
4000 /*
4001 * do the horizontal scroll
4002 */
4003 if (want_hor && curwin->w_leftcol != tgt_leftcol)
4004 {
4005 curwin->w_leftcol = tgt_leftcol;
4006 leftcol_changed();
4007 }
4008 }
4009 }
4010
4011 /*
4012 * reset current-window
4013 */
4014 #ifdef FEAT_VISUAL
4015 VIsual_select = old_VIsual_select;
4016 VIsual_active = old_VIsual_active;
4017 #endif
4018 curwin = old_curwin;
4019 curbuf = old_curbuf;
4020 }
4021 #endif /* #ifdef FEAT_SCROLLBIND */
4022
4023 /*
4024 * Command character that's ignored.
4025 * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4026 * xon/xoff
4027 */
4028 static void
4029 nv_ignore(cap)
4030 cmdarg_T *cap;
4031 {
4032 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
4033 }
4034
4035 /*
4036 * Command character that doesn't do anything, but unlike nv_ignore() does
4037 * start edit(). Used for "startinsert" executed while starting up.
4038 */
4039 /*ARGSUSED */
4040 static void
4041 nv_nop(cap)
4042 cmdarg_T *cap;
4043 {
4044 }
4045
4046 /*
4047 * Command character doesn't exist.
4048 */
4049 static void
4050 nv_error(cap)
4051 cmdarg_T *cap;
4052 {
4053 clearopbeep(cap->oap);
4054 }
4055
4056 /*
4057 * <Help> and <F1> commands.
4058 */
4059 static void
4060 nv_help(cap)
4061 cmdarg_T *cap;
4062 {
4063 if (!checkclearopq(cap->oap))
4064 ex_help(NULL);
4065 }
4066
4067 /*
4068 * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4069 */
4070 static void
4071 nv_addsub(cap)
4072 cmdarg_T *cap;
4073 {
4074 if (!checkclearopq(cap->oap)
4075 && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4076 prep_redo_cmd(cap);
4077 }
4078
4079 /*
4080 * CTRL-F, CTRL-B, etc: Scroll page up or down.
4081 */
4082 static void
4083 nv_page(cap)
4084 cmdarg_T *cap;
4085 {
4086 if (!checkclearop(cap->oap))
4087 {
4088 #ifdef FEAT_WINDOWS
4089 if (mod_mask & MOD_MASK_CTRL)
4090 {
4091 /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4092 if (cap->arg == BACKWARD)
4093 goto_tabpage(-(int)cap->count1);
4094 else
4095 goto_tabpage((int)cap->count0);
4096 }
4097 else
4098 #endif
4099 (void)onepage(cap->arg, cap->count1);
4100 }
4101 }
4102
4103 /*
4104 * Implementation of "gd" and "gD" command.
4105 */
4106 static void
4107 nv_gd(oap, nchar, thisblock)
4108 oparg_T *oap;
4109 int nchar;
4110 int thisblock; /* 1 for "1gd" and "1gD" */
4111 {
4112 int len;
4113 char_u *ptr;
4114
4115 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4116 || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4117 clearopbeep(oap);
4118 #ifdef FEAT_FOLDING
4119 else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4120 foldOpenCursor();
4121 #endif
4122 }
4123
4124 /*
4125 * Search for variable declaration of "ptr[len]".
4126 * When "locally" is TRUE in the current function ("gd"), otherwise in the
4127 * current file ("gD").
4128 * When "thisblock" is TRUE check the {} block scope.
4129 * Return FAIL when not found.
4130 */
4131 int
4132 find_decl(ptr, len, locally, thisblock, searchflags)
4133 char_u *ptr;
4134 int len;
4135 int locally;
4136 int thisblock;
4137 int searchflags; /* flags passed to searchit() */
4138 {
4139 char_u *pat;
4140 pos_T old_pos;
4141 pos_T par_pos;
4142 pos_T found_pos;
4143 int t;
4144 int save_p_ws;
4145 int save_p_scs;
4146 int retval = OK;
4147 int incll;
4148
4149 if ((pat = alloc(len + 7)) == NULL)
4150 return FAIL;
4151
4152 /* Put "\V" before the pattern to avoid that the special meaning of "."
4153 * and "~" causes trouble. */
4154 sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4155 len, ptr);
4156 old_pos = curwin->w_cursor;
4157 save_p_ws = p_ws;
4158 save_p_scs = p_scs;
4159 p_ws = FALSE; /* don't wrap around end of file now */
4160 p_scs = FALSE; /* don't switch ignorecase off now */
4161
4162 /*
4163 * With "gD" go to line 1.
4164 * With "gd" Search back for the start of the current function, then go
4165 * back until a blank line. If this fails go to line 1.
4166 */
4167 if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4168 {
4169 setpcmark(); /* Set in findpar() otherwise */
4170 curwin->w_cursor.lnum = 1;
4171 par_pos = curwin->w_cursor;
4172 }
4173 else
4174 {
4175 par_pos = curwin->w_cursor;
4176 while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4177 --curwin->w_cursor.lnum;
4178 }
4179 curwin->w_cursor.col = 0;
4180
4181 /* Search forward for the identifier, ignore comment lines. */
4182 clearpos(&found_pos);
4183 for (;;)
4184 {
4185 t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4186 pat, 1L, searchflags, RE_LAST, (linenr_T)0);
4187 if (curwin->w_cursor.lnum >= old_pos.lnum)
4188 t = FAIL; /* match after start is failure too */
4189
4190 if (thisblock && t != FAIL)
4191 {
4192 pos_T *pos;
4193
4194 /* Check that the block the match is in doesn't end before the
4195 * position where we started the search from. */
4196 if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4197 (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4198 && pos->lnum < old_pos.lnum)
4199 continue;
4200 }
4201
4202 if (t == FAIL)
4203 {
4204 /* If we previously found a valid position, use it. */
4205 if (found_pos.lnum != 0)
4206 {
4207 curwin->w_cursor = found_pos;
4208 t = OK;
4209 }
4210 break;
4211 }
4212 #ifdef FEAT_COMMENTS
4213 if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4214 {
4215 /* Ignore this line, continue at start of next line. */
4216 ++curwin->w_cursor.lnum;
4217 curwin->w_cursor.col = 0;
4218 continue;
4219 }
4220 #endif
4221 if (!locally) /* global search: use first match found */
4222 break;
4223 if (curwin->w_cursor.lnum >= par_pos.lnum)
4224 {
4225 /* If we previously found a valid position, use it. */
4226 if (found_pos.lnum != 0)
4227 curwin->w_cursor = found_pos;
4228 break;
4229 }
4230
4231 /* For finding a local variable and the match is before the "{" search
4232 * to find a later match. For K&R style function declarations this
4233 * skips the function header without types. */
4234 found_pos = curwin->w_cursor;
4235 }
4236
4237 if (t == FAIL)
4238 {
4239 retval = FAIL;
4240 curwin->w_cursor = old_pos;
4241 }
4242 else
4243 {
4244 curwin->w_set_curswant = TRUE;
4245 /* "n" searches forward now */
4246 reset_search_dir();
4247 }
4248
4249 vim_free(pat);
4250 p_ws = save_p_ws;
4251 p_scs = save_p_scs;
4252
4253 return retval;
4254 }
4255
4256 /*
4257 * Move 'dist' lines in direction 'dir', counting lines by *screen*
4258 * lines rather than lines in the file.
4259 * 'dist' must be positive.
4260 *
4261 * Return OK if able to move cursor, FAIL otherwise.
4262 */
4263 static int
4264 nv_screengo(oap, dir, dist)
4265 oparg_T *oap;
4266 int dir;
4267 long dist;
4268 {
4269 int linelen = linetabsize(ml_get_curline());
4270 int retval = OK;
4271 int atend = FALSE;
4272 int n;
4273 int col_off1; /* margin offset for first screen line */
4274 int col_off2; /* margin offset for wrapped screen line */
4275 int width1; /* text width for first screen line */
4276 int width2; /* test width for wrapped screen line */
4277
4278 oap->motion_type = MCHAR;
4279 oap->inclusive = FALSE;
4280
4281 col_off1 = curwin_col_off();
4282 col_off2 = col_off1 - curwin_col_off2();
4283 width1 = W_WIDTH(curwin) - col_off1;
4284 width2 = W_WIDTH(curwin) - col_off2;
4285
4286 #ifdef FEAT_VERTSPLIT
4287 if (curwin->w_width != 0)
4288 {
4289 #endif
4290 /*
4291 * Instead of sticking at the last character of the buffer line we
4292 * try to stick in the last column of the screen.
4293 */
4294 if (curwin->w_curswant == MAXCOL)
4295 {
4296 atend = TRUE;
4297 validate_virtcol();
4298 if (width1 <= 0)
4299 curwin->w_curswant = 0;
4300 else
4301 {
4302 curwin->w_curswant = width1 - 1;
4303 if (curwin->w_virtcol > curwin->w_curswant)
4304 curwin->w_curswant += ((curwin->w_virtcol
4305 - curwin->w_curswant - 1) / width2 + 1) * width2;
4306 }
4307 }
4308 else
4309 {
4310 if (linelen > width1)
4311 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4312 else
4313 n = width1;
4314 if (curwin->w_curswant > (colnr_T)n + 1)
4315 curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4316 * width2;
4317 }
4318
4319 while (dist--)
4320 {
4321 if (dir == BACKWARD)
4322 {
4323 if ((long)curwin->w_curswant >= width2)
4324 /* move back within line */
4325 curwin->w_curswant -= width2;
4326 else
4327 {
4328 /* to previous line */
4329 if (curwin->w_cursor.lnum == 1)
4330 {
4331 retval = FAIL;
4332 break;
4333 }
4334 --curwin->w_cursor.lnum;
4335 #ifdef FEAT_FOLDING
4336 /* Move to the start of a closed fold. Don't do that when
4337 * 'foldopen' contains "all": it will open in a moment. */
4338 if (!(fdo_flags & FDO_ALL))
4339 (void)hasFolding(curwin->w_cursor.lnum,
4340 &curwin->w_cursor.lnum, NULL);
4341 #endif
4342 linelen = linetabsize(ml_get_curline());
4343 if (linelen > width1)
4344 curwin->w_curswant += (((linelen - width1 - 1) / width2)
4345 + 1) * width2;
4346 }
4347 }
4348 else /* dir == FORWARD */
4349 {
4350 if (linelen > width1)
4351 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4352 else
4353 n = width1;
4354 if (curwin->w_curswant + width2 < (colnr_T)n)
4355 /* move forward within line */
4356 curwin->w_curswant += width2;
4357 else
4358 {
4359 /* to next line */
4360 #ifdef FEAT_FOLDING
4361 /* Move to the end of a closed fold. */
4362 (void)hasFolding(curwin->w_cursor.lnum, NULL,
4363 &curwin->w_cursor.lnum);
4364 #endif
4365 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4366 {
4367 retval = FAIL;
4368 break;
4369 }
4370 curwin->w_cursor.lnum++;
4371 curwin->w_curswant %= width2;
4372 }
4373 }
4374 }
4375 #ifdef FEAT_VERTSPLIT
4376 }
4377 #endif
4378
4379 coladvance(curwin->w_curswant);
4380
4381 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4382 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4383 {
4384 /*
4385 * Check for landing on a character that got split at the end of the
4386 * last line. We want to advance a screenline, not end up in the same
4387 * screenline or move two screenlines.
4388 */
4389 validate_virtcol();
4390 if (curwin->w_virtcol > curwin->w_curswant
4391 && (curwin->w_curswant < (colnr_T)width1
4392 ? (curwin->w_curswant > (colnr_T)width1 / 2)
4393 : ((curwin->w_curswant - width1) % width2
4394 > (colnr_T)width2 / 2)))
4395 --curwin->w_cursor.col;
4396 }
4397 #endif
4398
4399 if (atend)
4400 curwin->w_curswant = MAXCOL; /* stick in the last column */
4401
4402 return retval;
4403 }
4404
4405 #ifdef FEAT_MOUSE
4406 /*
4407 * Mouse scroll wheel: Default action is to scroll three lines, or one page
4408 * when Shift or Ctrl is used.
4409 * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4410 */
4411 static void
4412 nv_mousescroll(cap)
4413 cmdarg_T *cap;
4414 {
4415 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4416 win_T *old_curwin = curwin;
4417
4418 /* Currently we only get the mouse coordinates in the GUI. */
4419 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4420 {
4421 int row, col;
4422
4423 row = mouse_row;
4424 col = mouse_col;
4425
4426 /* find the window at the pointer coordinates */
4427 curwin = mouse_find_win(&row, &col);
4428 curbuf = curwin->w_buffer;
4429 }
4430 # endif
4431
4432 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4433 {
4434 (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4435 }
4436 else
4437 {
4438 cap->count1 = 3;
4439 cap->count0 = 3;
4440 nv_scroll_line(cap);
4441 }
4442
4443 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4444 curwin->w_redr_status = TRUE;
4445
4446 curwin = old_curwin;
4447 curbuf = curwin->w_buffer;
4448 # endif
4449 }
4450
4451 /*
4452 * Mouse clicks and drags.
4453 */
4454 static void
4455 nv_mouse(cap)
4456 cmdarg_T *cap;
4457 {
4458 (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4459 }
4460 #endif
4461
4462 /*
4463 * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4464 * cap->arg must be TRUE for CTRL-E.
4465 */
4466 static void
4467 nv_scroll_line(cap)
4468 cmdarg_T *cap;
4469 {
4470 if (!checkclearop(cap->oap))
4471 scroll_redraw(cap->arg, cap->count1);
4472 }
4473
4474 /*
4475 * Scroll "count" lines up or down, and redraw.
4476 */
4477 void
4478 scroll_redraw(up, count)
4479 int up;
4480 long count;
4481 {
4482 linenr_T prev_topline = curwin->w_topline;
4483 #ifdef FEAT_DIFF
4484 int prev_topfill = curwin->w_topfill;
4485 #endif
4486 linenr_T prev_lnum = curwin->w_cursor.lnum;
4487
4488 if (up)
4489 scrollup(count, TRUE);
4490 else
4491 scrolldown(count, TRUE);
4492 if (p_so)
4493 {
4494 /* Adjust the cursor position for 'scrolloff'. Mark w_topline as
4495 * valid, otherwise the screen jumps back at the end of the file. */
4496 cursor_correct();
4497 check_cursor_moved(curwin);
4498 curwin->w_valid |= VALID_TOPLINE;
4499
4500 /* If moved back to where we were, at least move the cursor, otherwise
4501 * we get stuck at one position. Don't move the cursor up if the
4502 * first line of the buffer is already on the screen */
4503 while (curwin->w_topline == prev_topline
4504 #ifdef FEAT_DIFF
4505 && curwin->w_topfill == prev_topfill
4506 #endif
4507 )
4508 {
4509 if (up)
4510 {
4511 if (curwin->w_cursor.lnum > prev_lnum
4512 || cursor_down(1L, FALSE) == FAIL)
4513 break;
4514 }
4515 else
4516 {
4517 if (curwin->w_cursor.lnum < prev_lnum
4518 || prev_topline == 1L
4519 || cursor_up(1L, FALSE) == FAIL)
4520 break;
4521 }
4522 /* Mark w_topline as valid, otherwise the screen jumps back at the
4523 * end of the file. */
4524 check_cursor_moved(curwin);
4525 curwin->w_valid |= VALID_TOPLINE;
4526 }
4527 }
4528 if (curwin->w_cursor.lnum != prev_lnum)
4529 coladvance(curwin->w_curswant);
4530 redraw_later(VALID);
4531 }
4532
4533 /*
4534 * Commands that start with "z".
4535 */
4536 static void
4537 nv_zet(cap)
4538 cmdarg_T *cap;
4539 {
4540 long n;
4541 colnr_T col;
4542 int nchar = cap->nchar;
4543 #ifdef FEAT_FOLDING
4544 long old_fdl = curwin->w_p_fdl;
4545 int old_fen = curwin->w_p_fen;
4546 #endif
4547 #ifdef FEAT_SPELL
4548 int undo = FALSE;
4549 #endif
4550
4551 if (VIM_ISDIGIT(nchar))
4552 {
4553 /*
4554 * "z123{nchar}": edit the count before obtaining {nchar}
4555 */
4556 if (checkclearop(cap->oap))
4557 return;
4558 n = nchar - '0';
4559 for (;;)
4560 {
4561 #ifdef USE_ON_FLY_SCROLL
4562 dont_scroll = TRUE; /* disallow scrolling here */
4563 #endif
4564 ++no_mapping;
4565 ++allow_keys; /* no mapping for nchar, but allow key codes */
4566 nchar = safe_vgetc();
4567 #ifdef FEAT_LANGMAP
4568 LANGMAP_ADJUST(nchar, TRUE);
4569 #endif
4570 --no_mapping;
4571 --allow_keys;
4572 #ifdef FEAT_CMDL_INFO
4573 (void)add_to_showcmd(nchar);
4574 #endif
4575 if (nchar == K_DEL || nchar == K_KDEL)
4576 n /= 10;
4577 else if (VIM_ISDIGIT(nchar))
4578 n = n * 10 + (nchar - '0');
4579 else if (nchar == CAR)
4580 {
4581 #ifdef FEAT_GUI
4582 need_mouse_correct = TRUE;
4583 #endif
4584 win_setheight((int)n);
4585 break;
4586 }
4587 else if (nchar == 'l'
4588 || nchar == 'h'
4589 || nchar == K_LEFT
4590 || nchar == K_RIGHT)
4591 {
4592 cap->count1 = n ? n * cap->count1 : cap->count1;
4593 goto dozet;
4594 }
4595 else
4596 {
4597 clearopbeep(cap->oap);
4598 break;
4599 }
4600 }
4601 cap->oap->op_type = OP_NOP;
4602 return;
4603 }
4604
4605 dozet:
4606 if (
4607 #ifdef FEAT_FOLDING
4608 /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4609 * and "zC" only in Visual mode. "zj" and "zk" are motion
4610 * commands. */
4611 cap->nchar != 'f' && cap->nchar != 'F'
4612 && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4613 && cap->nchar != 'j' && cap->nchar != 'k'
4614 &&
4615 #endif
4616 checkclearop(cap->oap))
4617 return;
4618
4619 /*
4620 * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4621 * If line number given, set cursor.
4622 */
4623 if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4624 && cap->count0
4625 && cap->count0 != curwin->w_cursor.lnum)
4626 {
4627 setpcmark();
4628 if (cap->count0 > curbuf->b_ml.ml_line_count)
4629 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4630 else
4631 curwin->w_cursor.lnum = cap->count0;
4632 check_cursor_col();
4633 }
4634
4635 switch (nchar)
4636 {
4637 /* "z+", "z<CR>" and "zt": put cursor at top of screen */
4638 case '+':
4639 if (cap->count0 == 0)
4640 {
4641 /* No count given: put cursor at the line below screen */
4642 validate_botline(); /* make sure w_botline is valid */
4643 if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4644 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4645 else
4646 curwin->w_cursor.lnum = curwin->w_botline;
4647 }
4648 /* FALLTHROUGH */
4649 case NL:
4650 case CAR:
4651 case K_KENTER:
4652 beginline(BL_WHITE | BL_FIX);
4653 /* FALLTHROUGH */
4654
4655 case 't': scroll_cursor_top(0, TRUE);
4656 redraw_later(VALID);
4657 break;
4658
4659 /* "z." and "zz": put cursor in middle of screen */
4660 case '.': beginline(BL_WHITE | BL_FIX);
4661 /* FALLTHROUGH */
4662
4663 case 'z': scroll_cursor_halfway(TRUE);
4664 redraw_later(VALID);
4665 break;
4666
4667 /* "z^", "z-" and "zb": put cursor at bottom of screen */
4668 case '^': /* Strange Vi behavior: <count>z^ finds line at top of window
4669 * when <count> is at bottom of window, and puts that one at
4670 * bottom of window. */
4671 if (cap->count0 != 0)
4672 {
4673 scroll_cursor_bot(0, TRUE);
4674 curwin->w_cursor.lnum = curwin->w_topline;
4675 }
4676 else if (curwin->w_topline == 1)
4677 curwin->w_cursor.lnum = 1;
4678 else
4679 curwin->w_cursor.lnum = curwin->w_topline - 1;
4680 /* FALLTHROUGH */
4681 case '-':
4682 beginline(BL_WHITE | BL_FIX);
4683 /* FALLTHROUGH */
4684
4685 case 'b': scroll_cursor_bot(0, TRUE);
4686 redraw_later(VALID);
4687 break;
4688
4689 /* "zH" - scroll screen right half-page */
4690 case 'H':
4691 cap->count1 *= W_WIDTH(curwin) / 2;
4692 /* FALLTHROUGH */
4693
4694 /* "zh" - scroll screen to the right */
4695 case 'h':
4696 case K_LEFT:
4697 if (!curwin->w_p_wrap)
4698 {
4699 if ((colnr_T)cap->count1 > curwin->w_leftcol)
4700 curwin->w_leftcol = 0;
4701 else
4702 curwin->w_leftcol -= (colnr_T)cap->count1;
4703 leftcol_changed();
4704 }
4705 break;
4706
4707 /* "zL" - scroll screen left half-page */
4708 case 'L': cap->count1 *= W_WIDTH(curwin) / 2;
4709 /* FALLTHROUGH */
4710
4711 /* "zl" - scroll screen to the left */
4712 case 'l':
4713 case K_RIGHT:
4714 if (!curwin->w_p_wrap)
4715 {
4716 /* scroll the window left */
4717 curwin->w_leftcol += (colnr_T)cap->count1;
4718 leftcol_changed();
4719 }
4720 break;
4721
4722 /* "zs" - scroll screen, cursor at the start */
4723 case 's': if (!curwin->w_p_wrap)
4724 {
4725 #ifdef FEAT_FOLDING
4726 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4727 col = 0; /* like the cursor is in col 0 */
4728 else
4729 #endif
4730 getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4731 if ((long)col > p_siso)
4732 col -= p_siso;
4733 else
4734 col = 0;
4735 if (curwin->w_leftcol != col)
4736 {
4737 curwin->w_leftcol = col;
4738 redraw_later(NOT_VALID);
4739 }
4740 }
4741 break;
4742
4743 /* "ze" - scroll screen, cursor at the end */
4744 case 'e': if (!curwin->w_p_wrap)
4745 {
4746 #ifdef FEAT_FOLDING
4747 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4748 col = 0; /* like the cursor is in col 0 */
4749 else
4750 #endif
4751 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4752 n = W_WIDTH(curwin) - curwin_col_off();
4753 if ((long)col + p_siso < n)
4754 col = 0;
4755 else
4756 col = col + p_siso - n + 1;
4757 if (curwin->w_leftcol != col)
4758 {
4759 curwin->w_leftcol = col;
4760 redraw_later(NOT_VALID);
4761 }
4762 }
4763 break;
4764
4765 #ifdef FEAT_FOLDING
4766 /* "zF": create fold command */
4767 /* "zf": create fold operator */
4768 case 'F':
4769 case 'f': if (foldManualAllowed(TRUE))
4770 {
4771 cap->nchar = 'f';
4772 nv_operator(cap);
4773 curwin->w_p_fen = TRUE;
4774
4775 /* "zF" is like "zfzf" */
4776 if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4777 {
4778 nv_operator(cap);
4779 finish_op = TRUE;
4780 }
4781 }
4782 else
4783 clearopbeep(cap->oap);
4784 break;
4785
4786 /* "zd": delete fold at cursor */
4787 /* "zD": delete fold at cursor recursively */
4788 case 'd':
4789 case 'D': if (foldManualAllowed(FALSE))
4790 {
4791 if (VIsual_active)
4792 nv_operator(cap);
4793 else
4794 deleteFold(curwin->w_cursor.lnum,
4795 curwin->w_cursor.lnum, nchar == 'D', FALSE);
4796 }
4797 break;
4798
4799 /* "zE": erease all folds */
4800 case 'E': if (foldmethodIsManual(curwin))
4801 {
4802 clearFolding(curwin);
4803 changed_window_setting();
4804 }
4805 else if (foldmethodIsMarker(curwin))
4806 deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4807 TRUE, FALSE);
4808 else
4809 EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4810 break;
4811
4812 /* "zn": fold none: reset 'foldenable' */
4813 case 'n': curwin->w_p_fen = FALSE;
4814 break;
4815
4816 /* "zN": fold Normal: set 'foldenable' */
4817 case 'N': curwin->w_p_fen = TRUE;
4818 break;
4819
4820 /* "zi": invert folding: toggle 'foldenable' */
4821 case 'i': curwin->w_p_fen = !curwin->w_p_fen;
4822 break;
4823
4824 /* "za": open closed fold or close open fold at cursor */
4825 case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4826 openFold(curwin->w_cursor.lnum, cap->count1);
4827 else
4828 {
4829 closeFold(curwin->w_cursor.lnum, cap->count1);
4830 curwin->w_p_fen = TRUE;
4831 }
4832 break;
4833
4834 /* "zA": open fold at cursor recursively */
4835 case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4836 openFoldRecurse(curwin->w_cursor.lnum);
4837 else
4838 {
4839 closeFoldRecurse(curwin->w_cursor.lnum);
4840 curwin->w_p_fen = TRUE;
4841 }
4842 break;
4843
4844 /* "zo": open fold at cursor or Visual area */
4845 case 'o': if (VIsual_active)
4846 nv_operator(cap);
4847 else
4848 openFold(curwin->w_cursor.lnum, cap->count1);
4849 break;
4850
4851 /* "zO": open fold recursively */
4852 case 'O': if (VIsual_active)
4853 nv_operator(cap);
4854 else
4855 openFoldRecurse(curwin->w_cursor.lnum);
4856 break;
4857
4858 /* "zc": close fold at cursor or Visual area */
4859 case 'c': if (VIsual_active)
4860 nv_operator(cap);
4861 else
4862 closeFold(curwin->w_cursor.lnum, cap->count1);
4863 curwin->w_p_fen = TRUE;
4864 break;
4865
4866 /* "zC": close fold recursively */
4867 case 'C': if (VIsual_active)
4868 nv_operator(cap);
4869 else
4870 closeFoldRecurse(curwin->w_cursor.lnum);
4871 curwin->w_p_fen = TRUE;
4872 break;
4873
4874 /* "zv": open folds at the cursor */
4875 case 'v': foldOpenCursor();
4876 break;
4877
4878 /* "zx": re-apply 'foldlevel' and open folds at the cursor */
4879 case 'x': curwin->w_p_fen = TRUE;
4880 newFoldLevel(); /* update right now */
4881 foldOpenCursor();
4882 break;
4883
4884 /* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4885 case 'X': curwin->w_p_fen = TRUE;
4886 old_fdl = -1; /* force an update */
4887 break;
4888
4889 /* "zm": fold more */
4890 case 'm': if (curwin->w_p_fdl > 0)
4891 --curwin->w_p_fdl;
4892 old_fdl = -1; /* force an update */
4893 curwin->w_p_fen = TRUE;
4894 break;
4895
4896 /* "zM": close all folds */
4897 case 'M': curwin->w_p_fdl = 0;
4898 old_fdl = -1; /* force an update */
4899 curwin->w_p_fen = TRUE;
4900 break;
4901
4902 /* "zr": reduce folding */
4903 case 'r': ++curwin->w_p_fdl;
4904 break;
4905
4906 /* "zR": open all folds */
4907 case 'R': curwin->w_p_fdl = getDeepestNesting();
4908 old_fdl = -1; /* force an update */
4909 break;
4910
4911 case 'j': /* "zj" move to next fold downwards */
4912 case 'k': /* "zk" move to next fold upwards */
4913 if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4914 cap->count1) == FAIL)
4915 clearopbeep(cap->oap);
4916 break;
4917
4918 #endif /* FEAT_FOLDING */
4919
4920 #ifdef FEAT_SPELL
4921 case 'u': /* "zug" and "zuw": undo "zg" and "zw" */
4922 ++no_mapping;
4923 ++allow_keys; /* no mapping for nchar, but allow key codes */
4924 nchar = safe_vgetc();
4925 #ifdef FEAT_LANGMAP
4926 LANGMAP_ADJUST(nchar, TRUE);
4927 #endif
4928 --no_mapping;
4929 --allow_keys;
4930 #ifdef FEAT_CMDL_INFO
4931 (void)add_to_showcmd(nchar);
4932 #endif
4933 if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
4934 {
4935 clearopbeep(cap->oap);
4936 break;
4937 }
4938 undo = TRUE;
4939 /*FALLTHROUGH*/
4940
4941 case 'g': /* "zg": add good word to word list */
4942 case 'w': /* "zw": add wrong word to word list */
4943 case 'G': /* "zG": add good word to temp word list */
4944 case 'W': /* "zW": add wrong word to temp word list */
4945 {
4946 char_u *ptr = NULL;
4947 int len;
4948
4949 if (checkclearop(cap->oap))
4950 break;
4951 # ifdef FEAT_VISUAL
4952 if (VIsual_active && get_visual_text(cap, &ptr, &len)
4953 == FAIL)
4954 return;
4955 # endif
4956 if (ptr == NULL)
4957 {
4958 pos_T pos = curwin->w_cursor;
4959
4960 /* Find bad word under the cursor. */
4961 len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
4962 if (len != 0 && curwin->w_cursor.col <= pos.col)
4963 ptr = ml_get_pos(&curwin->w_cursor);
4964 curwin->w_cursor = pos;
4965 }
4966
4967 if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
4968 FIND_IDENT)) == 0)
4969 return;
4970 spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
4971 (nchar == 'G' || nchar == 'W')
4972 ? 0 : (int)cap->count1,
4973 undo);
4974 }
4975 break;
4976
4977 case '=': /* "z=": suggestions for a badly spelled word */
4978 if (!checkclearop(cap->oap))
4979 spell_suggest((int)cap->count0);
4980 break;
4981 #endif
4982
4983 default: clearopbeep(cap->oap);
4984 }
4985
4986 #ifdef FEAT_FOLDING
4987 /* Redraw when 'foldenable' changed */
4988 if (old_fen != curwin->w_p_fen)
4989 {
4990 # ifdef FEAT_DIFF
4991 win_T *wp;
4992
4993 if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
4994 {
4995 /* Adjust 'foldenable' in diff-synced windows. */
4996 FOR_ALL_WINDOWS(wp)
4997 {
4998 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
4999 {
5000 wp->w_p_fen = curwin->w_p_fen;
5001 changed_window_setting_win(wp);
5002 }
5003 }
5004 }
5005 # endif
5006 changed_window_setting();
5007 }
5008
5009 /* Redraw when 'foldlevel' changed. */
5010 if (old_fdl != curwin->w_p_fdl)
5011 newFoldLevel();
5012 #endif
5013 }
5014
5015 #ifdef FEAT_GUI
5016 /*
5017 * Vertical scrollbar movement.
5018 */
5019 static void
5020 nv_ver_scrollbar(cap)
5021 cmdarg_T *cap;
5022 {
5023 if (cap->oap->op_type != OP_NOP)
5024 clearopbeep(cap->oap);
5025
5026 /* Even if an operator was pending, we still want to scroll */
5027 gui_do_scroll();
5028 }
5029
5030 /*
5031 * Horizontal scrollbar movement.
5032 */
5033 static void
5034 nv_hor_scrollbar(cap)
5035 cmdarg_T *cap;
5036 {
5037 if (cap->oap->op_type != OP_NOP)
5038 clearopbeep(cap->oap);
5039
5040 /* Even if an operator was pending, we still want to scroll */
5041 gui_do_horiz_scroll();
5042 }
5043 #endif
5044
5045 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5046 /*
5047 * Click in GUI tab.
5048 */
5049 static void
5050 nv_tabline(cap)
5051 cmdarg_T *cap;
5052 {
5053 if (cap->oap->op_type != OP_NOP)
5054 clearopbeep(cap->oap);
5055
5056 /* Even if an operator was pending, we still want to jump tabs. */
5057 goto_tabpage(current_tab);
5058 }
5059
5060 /*
5061 * Selected item in tab line menu.
5062 */
5063 static void
5064 nv_tabmenu(cap)
5065 cmdarg_T *cap;
5066 {
5067 if (cap->oap->op_type != OP_NOP)
5068 clearopbeep(cap->oap);
5069
5070 /* Even if an operator was pending, we still want to jump tabs. */
5071 handle_tabmenu();
5072 }
5073
5074 /*
5075 * Handle selecting an item of the GUI tab line menu.
5076 * Used in Normal and Insert mode.
5077 */
5078 void
5079 handle_tabmenu()
5080 {
5081 switch (current_tabmenu)
5082 {
5083 case TABLINE_MENU_CLOSE:
5084 if (current_tab == 0)
5085 do_cmdline_cmd((char_u *)"tabclose");
5086 else
5087 {
5088 vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5089 current_tab);
5090 do_cmdline_cmd(IObuff);
5091 }
5092 break;
5093
5094 case TABLINE_MENU_NEW:
5095 vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5096 current_tab > 0 ? current_tab - 1 : 999);
5097 do_cmdline_cmd(IObuff);
5098 break;
5099
5100 case TABLINE_MENU_OPEN:
5101 vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5102 current_tab > 0 ? current_tab - 1 : 999);
5103 do_cmdline_cmd(IObuff);
5104 break;
5105 }
5106 }
5107 #endif
5108
5109 /*
5110 * "Q" command.
5111 */
5112 static void
5113 nv_exmode(cap)
5114 cmdarg_T *cap;
5115 {
5116 /*
5117 * Ignore 'Q' in Visual mode, just give a beep.
5118 */
5119 #ifdef FEAT_VISUAL
5120 if (VIsual_active)
5121 vim_beep();
5122 else
5123 #endif
5124 if (!checkclearop(cap->oap))
5125 do_exmode(FALSE);
5126 }
5127
5128 /*
5129 * Handle a ":" command.
5130 */
5131 static void
5132 nv_colon(cap)
5133 cmdarg_T *cap;
5134 {
5135 int old_p_im;
5136
5137 #ifdef FEAT_VISUAL
5138 if (VIsual_active)
5139 nv_operator(cap);
5140 else
5141 #endif
5142 {
5143 if (cap->oap->op_type != OP_NOP)
5144 {
5145 /* Using ":" as a movement is characterwise exclusive. */
5146 cap->oap->motion_type = MCHAR;
5147 cap->oap->inclusive = FALSE;
5148 }
5149 else if (cap->count0)
5150 {
5151 /* translate "count:" into ":.,.+(count - 1)" */
5152 stuffcharReadbuff('.');
5153 if (cap->count0 > 1)
5154 {
5155 stuffReadbuff((char_u *)",.+");
5156 stuffnumReadbuff((long)cap->count0 - 1L);
5157 }
5158 }
5159
5160 /* When typing, don't type below an old message */
5161 if (KeyTyped)
5162 compute_cmdrow();
5163
5164 old_p_im = p_im;
5165
5166 /* get a command line and execute it */
5167 do_cmdline(NULL, getexline, NULL,
5168 cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5169
5170 /* If 'insertmode' changed, enter or exit Insert mode */
5171 if (p_im != old_p_im)
5172 {
5173 if (p_im)
5174 restart_edit = 'i';
5175 else
5176 restart_edit = 0;
5177 }
5178
5179 /* The start of the operator may have become invalid by the Ex
5180 * command. */
5181 if (cap->oap->op_type != OP_NOP
5182 && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5183 || cap->oap->start.col >
5184 STRLEN(ml_get(cap->oap->start.lnum))))
5185 clearopbeep(cap->oap);
5186 }
5187 }
5188
5189 /*
5190 * Handle CTRL-G command.
5191 */
5192 static void
5193 nv_ctrlg(cap)
5194 cmdarg_T *cap;
5195 {
5196 #ifdef FEAT_VISUAL
5197 if (VIsual_active) /* toggle Selection/Visual mode */
5198 {
5199 VIsual_select = !VIsual_select;
5200 showmode();
5201 }
5202 else
5203 #endif
5204 if (!checkclearop(cap->oap))
5205 /* print full name if count given or :cd used */
5206 fileinfo((int)cap->count0, FALSE, TRUE);
5207 }
5208
5209 /*
5210 * Handle CTRL-H <Backspace> command.
5211 */
5212 static void
5213 nv_ctrlh(cap)
5214 cmdarg_T *cap;
5215 {
5216 #ifdef FEAT_VISUAL
5217 if (VIsual_active && VIsual_select)
5218 {
5219 cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */
5220 v_visop(cap);
5221 }
5222 else
5223 #endif
5224 nv_left(cap);
5225 }
5226
5227 /*
5228 * CTRL-L: clear screen and redraw.
5229 */
5230 static void
5231 nv_clear(cap)
5232 cmdarg_T *cap;
5233 {
5234 if (!checkclearop(cap->oap))
5235 {
5236 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5237 /*
5238 * Right now, the BeBox doesn't seem to have an easy way to detect
5239 * window resizing, so we cheat and make the user detect it
5240 * manually with CTRL-L instead
5241 */
5242 ui_get_shellsize();
5243 #endif
5244 #ifdef FEAT_SYN_HL
5245 /* Clear all syntax states to force resyncing. */
5246 syn_stack_free_all(curbuf);
5247 #endif
5248 redraw_later(CLEAR);
5249 }
5250 }
5251
5252 /*
5253 * CTRL-O: In Select mode: switch to Visual mode for one command.
5254 * Otherwise: Go to older pcmark.
5255 */
5256 static void
5257 nv_ctrlo(cap)
5258 cmdarg_T *cap;
5259 {
5260 #ifdef FEAT_VISUAL
5261 if (VIsual_active && VIsual_select)
5262 {
5263 VIsual_select = FALSE;
5264 showmode();
5265 restart_VIsual_select = 2; /* restart Select mode later */
5266 }
5267 else
5268 #endif
5269 {
5270 cap->count1 = -cap->count1;
5271 nv_pcmark(cap);
5272 }
5273 }
5274
5275 /*
5276 * CTRL-^ command, short for ":e #"
5277 */
5278 static void
5279 nv_hat(cap)
5280 cmdarg_T *cap;
5281 {
5282 if (!checkclearopq(cap->oap))
5283 (void)buflist_getfile((int)cap->count0, (linenr_T)0,
5284 GETF_SETMARK|GETF_ALT, FALSE);
5285 }
5286
5287 /*
5288 * "Z" commands.
5289 */
5290 static void
5291 nv_Zet(cap)
5292 cmdarg_T *cap;
5293 {
5294 if (!checkclearopq(cap->oap))
5295 {
5296 switch (cap->nchar)
5297 {
5298 /* "ZZ": equivalent to ":x". */
5299 case 'Z': do_cmdline_cmd((char_u *)"x");
5300 break;
5301
5302 /* "ZQ": equivalent to ":q!" (Elvis compatible). */
5303 case 'Q': do_cmdline_cmd((char_u *)"q!");
5304 break;
5305
5306 default: clearopbeep(cap->oap);
5307 }
5308 }
5309 }
5310
5311 #if defined(FEAT_WINDOWS) || defined(PROTO)
5312 /*
5313 * Call nv_ident() as if "c1" was used, with "c2" as next character.
5314 */
5315 void
5316 do_nv_ident(c1, c2)
5317 int c1;
5318 int c2;
5319 {
5320 oparg_T oa;
5321 cmdarg_T ca;
5322
5323 clear_oparg(&oa);
5324 vim_memset(&ca, 0, sizeof(ca));
5325 ca.oap = &oa;
5326 ca.cmdchar = c1;
5327 ca.nchar = c2;
5328 nv_ident(&ca);
5329 }
5330 #endif
5331
5332 /*
5333 * Handle the commands that use the word under the cursor.
5334 * [g] CTRL-] :ta to current identifier
5335 * [g] 'K' run program for current identifier
5336 * [g] '*' / to current identifier or string
5337 * [g] '#' ? to current identifier or string
5338 * g ']' :tselect for current identifier
5339 */
5340 static void
5341 nv_ident(cap)
5342 cmdarg_T *cap;
5343 {
5344 char_u *ptr = NULL;
5345 char_u *buf;
5346 char_u *p;
5347 char_u *kp; /* value of 'keywordprg' */
5348 int kp_help; /* 'keywordprg' is ":help" */
5349 int n = 0; /* init for GCC */
5350 int cmdchar;
5351 int g_cmd; /* "g" command */
5352 char_u *aux_ptr;
5353 int isman;
5354 int isman_s;
5355
5356 if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */
5357 {
5358 cmdchar = cap->nchar;
5359 g_cmd = TRUE;
5360 }
5361 else
5362 {
5363 cmdchar = cap->cmdchar;
5364 g_cmd = FALSE;
5365 }
5366
5367 if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
5368 cmdchar = '#';
5369
5370 /*
5371 * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5372 */
5373 if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5374 {
5375 #ifdef FEAT_VISUAL
5376 if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5377 return;
5378 #endif
5379 if (checkclearopq(cap->oap))
5380 return;
5381 }
5382
5383 if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5384 (cmdchar == '*' || cmdchar == '#')
5385 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5386 {
5387 clearop(cap->oap);
5388 return;
5389 }
5390
5391 /* Allocate buffer to put the command in. Inserting backslashes can
5392 * double the length of the word. p_kp / curbuf->b_p_kp could be added
5393 * and some numbers. */
5394 kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5395 kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5396 || STRCMP(kp, ":help") == 0);
5397 buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5398 if (buf == NULL)
5399 return;
5400 buf[0] = NUL;
5401
5402 switch (cmdchar)
5403 {
5404 case '*':
5405 case '#':
5406 /*
5407 * Put cursor at start of word, makes search skip the word
5408 * under the cursor.
5409 * Call setpcmark() first, so "*``" puts the cursor back where
5410 * it was.
5411 */
5412 setpcmark();
5413 curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5414
5415 if (!g_cmd && vim_iswordp(ptr))
5416 STRCPY(buf, "\\<");
5417 no_smartcase = TRUE; /* don't use 'smartcase' now */
5418 break;
5419
5420 case 'K':
5421 if (kp_help)
5422 STRCPY(buf, "he! ");
5423 else
5424 {
5425 /* When a count is given, turn it into a range. Is this
5426 * really what we want? */
5427 isman = (STRCMP(kp, "man") == 0);
5428 isman_s = (STRCMP(kp, "man -s") == 0);
5429 if (cap->count0 != 0 && !(isman || isman_s))
5430 sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5431
5432 STRCAT(buf, "! ");
5433 if (cap->count0 == 0 && isman_s)
5434 STRCAT(buf, "man");
5435 else
5436 STRCAT(buf, kp);
5437 STRCAT(buf, " ");
5438 if (cap->count0 != 0 && (isman || isman_s))
5439 {
5440 sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5441 STRCAT(buf, " ");
5442 }
5443 }
5444 break;
5445
5446 case ']':
5447 #ifdef FEAT_CSCOPE
5448 if (p_cst)
5449 STRCPY(buf, "cstag ");
5450 else
5451 #endif
5452 STRCPY(buf, "ts ");
5453 break;
5454
5455 default:
5456 if (curbuf->b_help)
5457 STRCPY(buf, "he! ");
5458 else if (g_cmd)
5459 STRCPY(buf, "tj ");
5460 else
5461 sprintf((char *)buf, "%ldta ", cap->count0);
5462 }
5463
5464 /*
5465 * Now grab the chars in the identifier
5466 */
5467 if (cmdchar == '*')
5468 aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5469 else if (cmdchar == '#')
5470 aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5471 else if (cmdchar == 'K' && !kp_help)
5472 aux_ptr = (char_u *)" \t\\\"|!";
5473 else
5474 /* Don't escape spaces and Tabs in a tag with a backslash */
5475 aux_ptr = (char_u *)"\\|\"";
5476
5477 p = buf + STRLEN(buf);
5478 while (n-- > 0)
5479 {
5480 /* put a backslash before \ and some others */
5481 if (vim_strchr(aux_ptr, *ptr) != NULL)
5482 *p++ = '\\';
5483 #ifdef FEAT_MBYTE
5484 /* When current byte is a part of multibyte character, copy all bytes
5485 * of that character. */
5486 if (has_mbyte)
5487 {
5488 int i;
5489 int len = (*mb_ptr2len)(ptr) - 1;
5490
5491 for (i = 0; i < len && n >= 1; ++i, --n)
5492 *p++ = *ptr++;
5493 }
5494 #endif
5495 *p++ = *ptr++;
5496 }
5497 *p = NUL;
5498
5499 /*
5500 * Execute the command.
5501 */
5502 if (cmdchar == '*' || cmdchar == '#')
5503 {
5504 if (!g_cmd && (
5505 #ifdef FEAT_MBYTE
5506 has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5507 #endif
5508 vim_iswordc(ptr[-1])))
5509 STRCAT(buf, "\\>");
5510 #ifdef FEAT_CMDHIST
5511 /* put pattern in search history */
5512 add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5513 #endif
5514 normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5515 }
5516 else
5517 do_cmdline_cmd(buf);
5518
5519 vim_free(buf);
5520 }
5521
5522 #if defined(FEAT_VISUAL) || defined(PROTO)
5523 /*
5524 * Get visually selected text, within one line only.
5525 * Returns FAIL if more than one line selected.
5526 */
5527 int
5528 get_visual_text(cap, pp, lenp)
5529 cmdarg_T *cap;
5530 char_u **pp; /* return: start of selected text */
5531 int *lenp; /* return: length of selected text */
5532 {
5533 if (VIsual_mode != 'V')
5534 unadjust_for_sel();
5535 if (VIsual.lnum != curwin->w_cursor.lnum)
5536 {
5537 if (cap != NULL)
5538 clearopbeep(cap->oap);
5539 return FAIL;
5540 }
5541 if (VIsual_mode == 'V')
5542 {
5543 *pp = ml_get_curline();
5544 *lenp = (int)STRLEN(*pp);
5545 }
5546 else
5547 {
5548 if (lt(curwin->w_cursor, VIsual))
5549 {
5550 *pp = ml_get_pos(&curwin->w_cursor);
5551 *lenp = VIsual.col - curwin->w_cursor.col + 1;
5552 }
5553 else
5554 {
5555 *pp = ml_get_pos(&VIsual);
5556 *lenp = curwin->w_cursor.col - VIsual.col + 1;
5557 }
5558 #ifdef FEAT_MBYTE
5559 if (has_mbyte)
5560 /* Correct the length to include the whole last character. */
5561 *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5562 #endif
5563 }
5564 reset_VIsual_and_resel();
5565 return OK;
5566 }
5567 #endif
5568
5569 /*
5570 * CTRL-T: backwards in tag stack
5571 */
5572 static void
5573 nv_tagpop(cap)
5574 cmdarg_T *cap;
5575 {
5576 if (!checkclearopq(cap->oap))
5577 do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5578 }
5579
5580 /*
5581 * Handle scrolling command 'H', 'L' and 'M'.
5582 */
5583 static void
5584 nv_scroll(cap)
5585 cmdarg_T *cap;
5586 {
5587 int used = 0;
5588 long n;
5589 #ifdef FEAT_FOLDING
5590 linenr_T lnum;
5591 #endif
5592 int half;
5593
5594 cap->oap->motion_type = MLINE;
5595 setpcmark();
5596
5597 if (cap->cmdchar == 'L')
5598 {
5599 validate_botline(); /* make sure curwin->w_botline is valid */
5600 curwin->w_cursor.lnum = curwin->w_botline - 1;
5601 if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5602 curwin->w_cursor.lnum = 1;
5603 else
5604 {
5605 #ifdef FEAT_FOLDING
5606 if (hasAnyFolding(curwin))
5607 {
5608 /* Count a fold for one screen line. */
5609 for (n = cap->count1 - 1; n > 0
5610 && curwin->w_cursor.lnum > curwin->w_topline; --n)
5611 {
5612 (void)hasFolding(curwin->w_cursor.lnum,
5613 &curwin->w_cursor.lnum, NULL);
5614 --curwin->w_cursor.lnum;
5615 }
5616 }
5617 else
5618 #endif
5619 curwin->w_cursor.lnum -= cap->count1 - 1;
5620 }
5621 }
5622 else
5623 {
5624 if (cap->cmdchar == 'M')
5625 {
5626 #ifdef FEAT_DIFF
5627 /* Don't count filler lines above the window. */
5628 used -= diff_check_fill(curwin, curwin->w_topline)
5629 - curwin->w_topfill;
5630 #endif
5631 validate_botline(); /* make sure w_empty_rows is valid */
5632 half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5633 for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5634 {
5635 #ifdef FEAT_DIFF
5636 /* Count half he number of filler lines to be "below this
5637 * line" and half to be "above the next line". */
5638 if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5639 + n) / 2 >= half)
5640 {
5641 --n;
5642 break;
5643 }
5644 #endif
5645 used += plines(curwin->w_topline + n);
5646 if (used >= half)
5647 break;
5648 #ifdef FEAT_FOLDING
5649 if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5650 n = lnum - curwin->w_topline;
5651 #endif
5652 }
5653 if (n > 0 && used > curwin->w_height)
5654 --n;
5655 }
5656 else /* (cap->cmdchar == 'H') */
5657 {
5658 n = cap->count1 - 1;
5659 #ifdef FEAT_FOLDING
5660 if (hasAnyFolding(curwin))
5661 {
5662 /* Count a fold for one screen line. */
5663 lnum = curwin->w_topline;
5664 while (n-- > 0 && lnum < curwin->w_botline - 1)
5665 {
5666 hasFolding(lnum, NULL, &lnum);
5667 ++lnum;
5668 }
5669 n = lnum - curwin->w_topline;
5670 }
5671 #endif
5672 }
5673 curwin->w_cursor.lnum = curwin->w_topline + n;
5674 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5675 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5676 }
5677
5678 cursor_correct(); /* correct for 'so' */
5679 beginline(BL_SOL | BL_FIX);
5680 }
5681
5682 /*
5683 * Cursor right commands.
5684 */
5685 static void
5686 nv_right(cap)
5687 cmdarg_T *cap;
5688 {
5689 long n;
5690 #ifdef FEAT_VISUAL
5691 int PAST_LINE;
5692 #else
5693 # define PAST_LINE 0
5694 #endif
5695
5696 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5697 {
5698 /* <C-Right> and <S-Right> move a word or WORD right */
5699 if (mod_mask & MOD_MASK_CTRL)
5700 cap->arg = TRUE;
5701 nv_wordcmd(cap);
5702 return;
5703 }
5704
5705 cap->oap->motion_type = MCHAR;
5706 cap->oap->inclusive = FALSE;
5707 #ifdef FEAT_VISUAL
5708 PAST_LINE = (VIsual_active && *p_sel != 'o');
5709
5710 # ifdef FEAT_VIRTUALEDIT
5711 /*
5712 * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5713 * (theoretically) infinitely long.
5714 */
5715 if (virtual_active())
5716 PAST_LINE = 0;
5717 # endif
5718 #endif
5719
5720 for (n = cap->count1; n > 0; --n)
5721 {
5722 if ((!PAST_LINE && oneright() == FAIL)
5723 || (PAST_LINE && *ml_get_cursor() == NUL))
5724 {
5725 /*
5726 * <Space> wraps to next line if 'whichwrap' has 's'.
5727 * 'l' wraps to next line if 'whichwrap' has 'l'.
5728 * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5729 */
5730 if ( ((cap->cmdchar == ' '
5731 && vim_strchr(p_ww, 's') != NULL)
5732 || (cap->cmdchar == 'l'
5733 && vim_strchr(p_ww, 'l') != NULL)
5734 || (cap->cmdchar == K_RIGHT
5735 && vim_strchr(p_ww, '>') != NULL))
5736 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5737 {
5738 /* When deleting we also count the NL as a character.
5739 * Set cap->oap->inclusive when last char in the line is
5740 * included, move to next line after that */
5741 if ( cap->oap->op_type != OP_NOP
5742 && !cap->oap->inclusive
5743 && !lineempty(curwin->w_cursor.lnum))
5744 cap->oap->inclusive = TRUE;
5745 else
5746 {
5747 ++curwin->w_cursor.lnum;
5748 curwin->w_cursor.col = 0;
5749 #ifdef FEAT_VIRTUALEDIT
5750 curwin->w_cursor.coladd = 0;
5751 #endif
5752 curwin->w_set_curswant = TRUE;
5753 cap->oap->inclusive = FALSE;
5754 }
5755 continue;
5756 }
5757 if (cap->oap->op_type == OP_NOP)
5758 {
5759 /* Only beep and flush if not moved at all */
5760 if (n == cap->count1)
5761 beep_flush();
5762 }
5763 else
5764 {
5765 if (!lineempty(curwin->w_cursor.lnum))
5766 cap->oap->inclusive = TRUE;
5767 }
5768 break;
5769 }
5770 #ifdef FEAT_VISUAL
5771 else if (PAST_LINE)
5772 {
5773 curwin->w_set_curswant = TRUE;
5774 # ifdef FEAT_VIRTUALEDIT
5775 if (virtual_active())
5776 oneright();
5777 else
5778 # endif
5779 {
5780 # ifdef FEAT_MBYTE
5781 if (has_mbyte)
5782 curwin->w_cursor.col +=
5783 (*mb_ptr2len)(ml_get_cursor());
5784 else
5785 # endif
5786 ++curwin->w_cursor.col;
5787 }
5788 }
5789 #endif
5790 }
5791 #ifdef FEAT_FOLDING
5792 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5793 && cap->oap->op_type == OP_NOP)
5794 foldOpenCursor();
5795 #endif
5796 }
5797
5798 /*
5799 * Cursor left commands.
5800 *
5801 * Returns TRUE when operator end should not be adjusted.
5802 */
5803 static void
5804 nv_left(cap)
5805 cmdarg_T *cap;
5806 {
5807 long n;
5808
5809 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5810 {
5811 /* <C-Left> and <S-Left> move a word or WORD left */
5812 if (mod_mask & MOD_MASK_CTRL)
5813 cap->arg = 1;
5814 nv_bck_word(cap);
5815 return;
5816 }
5817
5818 cap->oap->motion_type = MCHAR;
5819 cap->oap->inclusive = FALSE;
5820 for (n = cap->count1; n > 0; --n)
5821 {
5822 if (oneleft() == FAIL)
5823 {
5824 /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5825 * 'h' wraps to previous line if 'whichwrap' has 'h'.
5826 * CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5827 */
5828 if ( (((cap->cmdchar == K_BS
5829 || cap->cmdchar == Ctrl_H)
5830 && vim_strchr(p_ww, 'b') != NULL)
5831 || (cap->cmdchar == 'h'
5832 && vim_strchr(p_ww, 'h') != NULL)
5833 || (cap->cmdchar == K_LEFT
5834 && vim_strchr(p_ww, '<') != NULL))
5835 && curwin->w_cursor.lnum > 1)
5836 {
5837 --(curwin->w_cursor.lnum);
5838 coladvance((colnr_T)MAXCOL);
5839 curwin->w_set_curswant = TRUE;
5840
5841 /* When the NL before the first char has to be deleted we
5842 * put the cursor on the NUL after the previous line.
5843 * This is a very special case, be careful!
5844 * don't adjust op_end now, otherwise it won't work */
5845 if ( (cap->oap->op_type == OP_DELETE
5846 || cap->oap->op_type == OP_CHANGE)
5847 && !lineempty(curwin->w_cursor.lnum))
5848 {
5849 ++curwin->w_cursor.col;
5850 cap->retval |= CA_NO_ADJ_OP_END;
5851 }
5852 continue;
5853 }
5854 /* Only beep and flush if not moved at all */
5855 else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5856 beep_flush();
5857 break;
5858 }
5859 }
5860 #ifdef FEAT_FOLDING
5861 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5862 && cap->oap->op_type == OP_NOP)
5863 foldOpenCursor();
5864 #endif
5865 }
5866
5867 /*
5868 * Cursor up commands.
5869 * cap->arg is TRUE for "-": Move cursor to first non-blank.
5870 */
5871 static void
5872 nv_up(cap)
5873 cmdarg_T *cap;
5874 {
5875 if (mod_mask & MOD_MASK_SHIFT)
5876 {
5877 /* <S-Up> is page up */
5878 cap->arg = BACKWARD;
5879 nv_page(cap);
5880 }
5881 else
5882 {
5883 cap->oap->motion_type = MLINE;
5884 if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5885 clearopbeep(cap->oap);
5886 else if (cap->arg)
5887 beginline(BL_WHITE | BL_FIX);
5888 }
5889 }
5890
5891 /*
5892 * Cursor down commands.
5893 * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5894 */
5895 static void
5896 nv_down(cap)
5897 cmdarg_T *cap;
5898 {
5899 if (mod_mask & MOD_MASK_SHIFT)
5900 {
5901 /* <S-Down> is page down */
5902 cap->arg = FORWARD;
5903 nv_page(cap);
5904 }
5905 else
5906 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
5907 /* In a quickfix window a <CR> jumps to the error under the cursor. */
5908 if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
5909 if (curwin->w_llist_ref == NULL)
5910 do_cmdline_cmd((char_u *)".cc"); /* quickfix window */
5911 else
5912 do_cmdline_cmd((char_u *)".ll"); /* location list window */
5913 else
5914 #endif
5915 {
5916 #ifdef FEAT_CMDWIN
5917 /* In the cmdline window a <CR> executes the command. */
5918 if (cmdwin_type != 0 && cap->cmdchar == CAR)
5919 cmdwin_result = CAR;
5920 else
5921 #endif
5922 {
5923 cap->oap->motion_type = MLINE;
5924 if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5925 clearopbeep(cap->oap);
5926 else if (cap->arg)
5927 beginline(BL_WHITE | BL_FIX);
5928 }
5929 }
5930 }
5931
5932 #ifdef FEAT_SEARCHPATH
5933 /*
5934 * Grab the file name under the cursor and edit it.
5935 */
5936 static void
5937 nv_gotofile(cap)
5938 cmdarg_T *cap;
5939 {
5940 char_u *ptr;
5941 linenr_T lnum = -1;
5942
5943 if (text_locked())
5944 {
5945 clearopbeep(cap->oap);
5946 text_locked_msg();
5947 return;
5948 }
5949 #ifdef FEAT_AUTOCMD
5950 if (curbuf_locked())
5951 {
5952 clearop(cap->oap);
5953 return;
5954 }
5955 #endif
5956
5957 ptr = grab_file_name(cap->count1, &lnum);
5958
5959 if (ptr != NULL)
5960 {
5961 /* do autowrite if necessary */
5962 if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
5963 autowrite(curbuf, FALSE);
5964 setpcmark();
5965 (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
5966 P_HID(curbuf) ? ECMD_HIDE : 0);
5967 if (cap->nchar == 'F' && lnum >= 0)
5968 {
5969 curwin->w_cursor.lnum = lnum;
5970 check_cursor_lnum();
5971 beginline(BL_SOL | BL_FIX);
5972 }
5973 vim_free(ptr);
5974 }
5975 else
5976 clearop(cap->oap);
5977 }
5978 #endif
5979
5980 /*
5981 * <End> command: to end of current line or last line.
5982 */
5983 static void
5984 nv_end(cap)
5985 cmdarg_T *cap;
5986 {
5987 if (cap->arg || (mod_mask & MOD_MASK_CTRL)) /* CTRL-END = goto last line */
5988 {
5989 cap->arg = TRUE;
5990 nv_goto(cap);
5991 cap->count1 = 1; /* to end of current line */
5992 }
5993 nv_dollar(cap);
5994 }
5995
5996 /*
5997 * Handle the "$" command.
5998 */
5999 static void
6000 nv_dollar(cap)
6001 cmdarg_T *cap;
6002 {
6003 cap->oap->motion_type = MCHAR;
6004 cap->oap->inclusive = TRUE;
6005 #ifdef FEAT_VIRTUALEDIT
6006 /* In virtual mode when off the edge of a line and an operator
6007 * is pending (whew!) keep the cursor where it is.
6008 * Otherwise, send it to the end of the line. */
6009 if (!virtual_active() || gchar_cursor() != NUL
6010 || cap->oap->op_type == OP_NOP)
6011 #endif
6012 curwin->w_curswant = MAXCOL; /* so we stay at the end */
6013 if (cursor_down((long)(cap->count1 - 1),
6014 cap->oap->op_type == OP_NOP) == FAIL)
6015 clearopbeep(cap->oap);
6016 #ifdef FEAT_FOLDING
6017 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6018 foldOpenCursor();
6019 #endif
6020 }
6021
6022 /*
6023 * Implementation of '?' and '/' commands.
6024 * If cap->arg is TRUE don't set PC mark.
6025 */
6026 static void
6027 nv_search(cap)
6028 cmdarg_T *cap;
6029 {
6030 oparg_T *oap = cap->oap;
6031
6032 if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6033 {
6034 /* Translate "g??" to "g?g?" */
6035 cap->cmdchar = 'g';
6036 cap->nchar = '?';
6037 nv_operator(cap);
6038 return;
6039 }
6040
6041 cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6042
6043 if (cap->searchbuf == NULL)
6044 {
6045 clearop(oap);
6046 return;
6047 }
6048
6049 normal_search(cap, cap->cmdchar, cap->searchbuf,
6050 (cap->arg ? 0 : SEARCH_MARK));
6051 }
6052
6053 /*
6054 * Handle "N" and "n" commands.
6055 * cap->arg is SEARCH_REV for "N", 0 for "n".
6056 */
6057 static void
6058 nv_next(cap)
6059 cmdarg_T *cap;
6060 {
6061 normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6062 }
6063
6064 /*
6065 * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6066 * Uses only cap->count1 and cap->oap from "cap".
6067 */
6068 static void
6069 normal_search(cap, dir, pat, opt)
6070 cmdarg_T *cap;
6071 int dir;
6072 char_u *pat;
6073 int opt; /* extra flags for do_search() */
6074 {
6075 int i;
6076
6077 cap->oap->motion_type = MCHAR;
6078 cap->oap->inclusive = FALSE;
6079 cap->oap->use_reg_one = TRUE;
6080 curwin->w_set_curswant = TRUE;
6081
6082 i = do_search(cap->oap, dir, pat, cap->count1,
6083 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG);
6084 if (i == 0)
6085 clearop(cap->oap);
6086 else
6087 {
6088 if (i == 2)
6089 cap->oap->motion_type = MLINE;
6090 #ifdef FEAT_VIRTUALEDIT
6091 curwin->w_cursor.coladd = 0;
6092 #endif
6093 #ifdef FEAT_FOLDING
6094 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6095 foldOpenCursor();
6096 #endif
6097 }
6098
6099 /* "/$" will put the cursor after the end of the line, may need to
6100 * correct that here */
6101 check_cursor();
6102 }
6103
6104 /*
6105 * Character search commands.
6106 * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6107 * ',' and FALSE for ';'.
6108 * cap->nchar is NUL for ',' and ';' (repeat the search)
6109 */
6110 static void
6111 nv_csearch(cap)
6112 cmdarg_T *cap;
6113 {
6114 int t_cmd;
6115
6116 if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6117 t_cmd = TRUE;
6118 else
6119 t_cmd = FALSE;
6120
6121 cap->oap->motion_type = MCHAR;
6122 if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6123 clearopbeep(cap->oap);
6124 else
6125 {
6126 curwin->w_set_curswant = TRUE;
6127 #ifdef FEAT_VIRTUALEDIT
6128 /* Include a Tab for "tx" and for "dfx". */
6129 if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6130 && (t_cmd || cap->oap->op_type != OP_NOP))
6131 {
6132 colnr_T scol, ecol;
6133
6134 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6135 curwin->w_cursor.coladd = ecol - scol;
6136 }
6137 else
6138 curwin->w_cursor.coladd = 0;
6139 #endif
6140 #ifdef FEAT_VISUAL
6141 adjust_for_sel(cap);
6142 #endif
6143 #ifdef FEAT_FOLDING
6144 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6145 foldOpenCursor();
6146 #endif
6147 }
6148 }
6149
6150 /*
6151 * "[" and "]" commands.
6152 * cap->arg is BACKWARD for "[" and FORWARD for "]".
6153 */
6154 static void
6155 nv_brackets(cap)
6156 cmdarg_T *cap;
6157 {
6158 pos_T new_pos;
6159 pos_T prev_pos;
6160 pos_T *pos = NULL; /* init for GCC */
6161 pos_T old_pos; /* cursor position before command */
6162 int flag;
6163 long n;
6164 int findc;
6165 int c;
6166
6167 cap->oap->motion_type = MCHAR;
6168 cap->oap->inclusive = FALSE;
6169 old_pos = curwin->w_cursor;
6170 #ifdef FEAT_VIRTUALEDIT
6171 curwin->w_cursor.coladd = 0; /* TODO: don't do this for an error. */
6172 #endif
6173
6174 #ifdef FEAT_SEARCHPATH
6175 /*
6176 * "[f" or "]f" : Edit file under the cursor (same as "gf")
6177 */
6178 if (cap->nchar == 'f')
6179 nv_gotofile(cap);
6180 else
6181 #endif
6182
6183 #ifdef FEAT_FIND_ID
6184 /*
6185 * Find the occurrence(s) of the identifier or define under cursor
6186 * in current and included files or jump to the first occurrence.
6187 *
6188 * search list jump
6189 * fwd bwd fwd bwd fwd bwd
6190 * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
6191 * define "]d" "[d" "]D" "[D" "]^D" "[^D"
6192 */
6193 if (vim_strchr((char_u *)
6194 #ifdef EBCDIC
6195 "iI\005dD\067",
6196 #else
6197 "iI\011dD\004",
6198 #endif
6199 cap->nchar) != NULL)
6200 {
6201 char_u *ptr;
6202 int len;
6203
6204 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6205 clearop(cap->oap);
6206 else
6207 {
6208 find_pattern_in_path(ptr, 0, len, TRUE,
6209 cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6210 ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
6211 cap->count1,
6212 isupper(cap->nchar) ? ACTION_SHOW_ALL :
6213 islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6214 cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6215 (linenr_T)MAXLNUM);
6216 curwin->w_set_curswant = TRUE;
6217 }
6218 }
6219 else
6220 #endif
6221
6222 /*
6223 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6224 * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6225 * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6226 * "[m" or "]m" search for prev/next start of (Java) method.
6227 * "[M" or "]M" search for prev/next end of (Java) method.
6228 */
6229 if ( (cap->cmdchar == '['
6230 && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6231 || (cap->cmdchar == ']'
6232 && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6233 {
6234 if (cap->nchar == '*')
6235 cap->nchar = '/';
6236 new_pos.lnum = 0;
6237 prev_pos.lnum = 0;
6238 if (cap->nchar == 'm' || cap->nchar == 'M')
6239 {
6240 if (cap->cmdchar == '[')
6241 findc = '{';
6242 else
6243 findc = '}';
6244 n = 9999;
6245 }
6246 else
6247 {
6248 findc = cap->nchar;
6249 n = cap->count1;
6250 }
6251 for ( ; n > 0; --n)
6252 {
6253 if ((pos = findmatchlimit(cap->oap, findc,
6254 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6255 {
6256 if (new_pos.lnum == 0) /* nothing found */
6257 {
6258 if (cap->nchar != 'm' && cap->nchar != 'M')
6259 clearopbeep(cap->oap);
6260 }
6261 else
6262 pos = &new_pos; /* use last one found */
6263 break;
6264 }
6265 prev_pos = new_pos;
6266 curwin->w_cursor = *pos;
6267 new_pos = *pos;
6268 }
6269 curwin->w_cursor = old_pos;
6270
6271 /*
6272 * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
6273 * brought us to the match for "[m" and "]M" when inside a method.
6274 * Try finding the '{' or '}' we want to be at.
6275 * Also repeat for the given count.
6276 */
6277 if (cap->nchar == 'm' || cap->nchar == 'M')
6278 {
6279 /* norm is TRUE for "]M" and "[m" */
6280 int norm = ((findc == '{') == (cap->nchar == 'm'));
6281
6282 n = cap->count1;
6283 /* found a match: we were inside a method */
6284 if (prev_pos.lnum != 0)
6285 {
6286 pos = &prev_pos;
6287 curwin->w_cursor = prev_pos;
6288 if (norm)
6289 --n;
6290 }
6291 else
6292 pos = NULL;
6293 while (n > 0)
6294 {
6295 for (;;)
6296 {
6297 if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6298 {
6299 /* if not found anything, that's an error */
6300 if (pos == NULL)
6301 clearopbeep(cap->oap);
6302 n = 0;
6303 break;
6304 }
6305 c = gchar_cursor();
6306 if (c == '{' || c == '}')
6307 {
6308 /* Must have found end/start of class: use it.
6309 * Or found the place to be at. */
6310 if ((c == findc && norm) || (n == 1 && !norm))
6311 {
6312 new_pos = curwin->w_cursor;
6313 pos = &new_pos;
6314 n = 0;
6315 }
6316 /* if no match found at all, we started outside of the
6317 * class and we're inside now. Just go on. */
6318 else if (new_pos.lnum == 0)
6319 {
6320 new_pos = curwin->w_cursor;
6321 pos = &new_pos;
6322 }
6323 /* found start/end of other method: go to match */
6324 else if ((pos = findmatchlimit(cap->oap, findc,
6325 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6326 0)) == NULL)
6327 n = 0;
6328 else
6329 curwin->w_cursor = *pos;
6330 break;
6331 }
6332 }
6333 --n;
6334 }
6335 curwin->w_cursor = old_pos;
6336 if (pos == NULL && new_pos.lnum != 0)
6337 clearopbeep(cap->oap);
6338 }
6339 if (pos != NULL)
6340 {
6341 setpcmark();
6342 curwin->w_cursor = *pos;
6343 curwin->w_set_curswant = TRUE;
6344 #ifdef FEAT_FOLDING
6345 if ((fdo_flags & FDO_BLOCK) && KeyTyped
6346 && cap->oap->op_type == OP_NOP)
6347 foldOpenCursor();
6348 #endif
6349 }
6350 }
6351
6352 /*
6353 * "[[", "[]", "]]" and "][": move to start or end of function
6354 */
6355 else if (cap->nchar == '[' || cap->nchar == ']')
6356 {
6357 if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */
6358 flag = '{';
6359 else
6360 flag = '}'; /* "][" or "[]" */
6361
6362 curwin->w_set_curswant = TRUE;
6363 /*
6364 * Imitate strange Vi behaviour: When using "]]" with an operator
6365 * we also stop at '}'.
6366 */
6367 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6368 (cap->oap->op_type != OP_NOP
6369 && cap->arg == FORWARD && flag == '{')))
6370 clearopbeep(cap->oap);
6371 else
6372 {
6373 if (cap->oap->op_type == OP_NOP)
6374 beginline(BL_WHITE | BL_FIX);
6375 #ifdef FEAT_FOLDING
6376 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6377 foldOpenCursor();
6378 #endif
6379 }
6380 }
6381
6382 /*
6383 * "[p", "[P", "]P" and "]p": put with indent adjustment
6384 */
6385 else if (cap->nchar == 'p' || cap->nchar == 'P')
6386 {
6387 if (!checkclearop(cap->oap))
6388 {
6389 prep_redo_cmd(cap);
6390 do_put(cap->oap->regname,
6391 (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6392 cap->count1, PUT_FIXINDENT);
6393 }
6394 }
6395
6396 /*
6397 * "['", "[`", "]'" and "]`": jump to next mark
6398 */
6399 else if (cap->nchar == '\'' || cap->nchar == '`')
6400 {
6401 pos = &curwin->w_cursor;
6402 for (n = cap->count1; n > 0; --n)
6403 {
6404 prev_pos = *pos;
6405 pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6406 cap->nchar == '\'');
6407 if (pos == NULL)
6408 break;
6409 }
6410 if (pos == NULL)
6411 pos = &prev_pos;
6412 nv_cursormark(cap, cap->nchar == '\'', pos);
6413 }
6414
6415 #ifdef FEAT_MOUSE
6416 /*
6417 * [ or ] followed by a middle mouse click: put selected text with
6418 * indent adjustment. Any other button just does as usual.
6419 */
6420 else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
6421 {
6422 (void)do_mouse(cap->oap, cap->nchar,
6423 (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6424 cap->count1, PUT_FIXINDENT);
6425 }
6426 #endif /* FEAT_MOUSE */
6427
6428 #ifdef FEAT_FOLDING
6429 /*
6430 * "[z" and "]z": move to start or end of open fold.
6431 */
6432 else if (cap->nchar == 'z')
6433 {
6434 if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6435 cap->count1) == FAIL)
6436 clearopbeep(cap->oap);
6437 }
6438 #endif
6439
6440 #ifdef FEAT_DIFF
6441 /*
6442 * "[c" and "]c": move to next or previous diff-change.
6443 */
6444 else if (cap->nchar == 'c')
6445 {
6446 if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6447 cap->count1) == FAIL)
6448 clearopbeep(cap->oap);
6449 }
6450 #endif
6451
6452 #ifdef FEAT_SPELL
6453 /*
6454 * "[s", "[S", "]s" and "]S": move to next spell error.
6455 */
6456 else if (cap->nchar == 's' || cap->nchar == 'S')
6457 {
6458 setpcmark();
6459 for (n = 0; n < cap->count1; ++n)
6460 if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6461 cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6462 {
6463 clearopbeep(cap->oap);
6464 break;
6465 }
6466 # ifdef FEAT_FOLDING
6467 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6468 foldOpenCursor();
6469 # endif
6470 }
6471 #endif
6472
6473 /* Not a valid cap->nchar. */
6474 else
6475 clearopbeep(cap->oap);
6476 }
6477
6478 /*
6479 * Handle Normal mode "%" command.
6480 */
6481 static void
6482 nv_percent(cap)
6483 cmdarg_T *cap;
6484 {
6485 pos_T *pos;
6486 #ifdef FEAT_FOLDING
6487 linenr_T lnum = curwin->w_cursor.lnum;
6488 #endif
6489
6490 cap->oap->inclusive = TRUE;
6491 if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */
6492 {
6493 if (cap->count0 > 100)
6494 clearopbeep(cap->oap);
6495 else
6496 {
6497 cap->oap->motion_type = MLINE;
6498 setpcmark();
6499 /* Round up, so CTRL-G will give same value. Watch out for a
6500 * large line count, the line number must not go negative! */
6501 if (curbuf->b_ml.ml_line_count > 1000000)
6502 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6503 / 100L * cap->count0;
6504 else
6505 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6506 cap->count0 + 99L) / 100L;
6507 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6508 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6509 beginline(BL_SOL | BL_FIX);
6510 }
6511 }
6512 else /* "%" : go to matching paren */
6513 {
6514 cap->oap->motion_type = MCHAR;
6515 cap->oap->use_reg_one = TRUE;
6516 if ((pos = findmatch(cap->oap, NUL)) == NULL)
6517 clearopbeep(cap->oap);
6518 else
6519 {
6520 setpcmark();
6521 curwin->w_cursor = *pos;
6522 curwin->w_set_curswant = TRUE;
6523 #ifdef FEAT_VIRTUALEDIT
6524 curwin->w_cursor.coladd = 0;
6525 #endif
6526 #ifdef FEAT_VISUAL
6527 adjust_for_sel(cap);
6528 #endif
6529 }
6530 }
6531 #ifdef FEAT_FOLDING
6532 if (cap->oap->op_type == OP_NOP
6533 && lnum != curwin->w_cursor.lnum
6534 && (fdo_flags & FDO_PERCENT)
6535 && KeyTyped)
6536 foldOpenCursor();
6537 #endif
6538 }
6539
6540 /*
6541 * Handle "(" and ")" commands.
6542 * cap->arg is BACKWARD for "(" and FORWARD for ")".
6543 */
6544 static void
6545 nv_brace(cap)
6546 cmdarg_T *cap;
6547 {
6548 cap->oap->motion_type = MCHAR;
6549 cap->oap->use_reg_one = TRUE;
6550 /* The motion used to be inclusive for "(", but that is not what Vi does. */
6551 cap->oap->inclusive = FALSE;
6552 curwin->w_set_curswant = TRUE;
6553
6554 if (findsent(cap->arg, cap->count1) == FAIL)
6555 clearopbeep(cap->oap);
6556 else
6557 {
6558 #ifdef FEAT_VIRTUALEDIT
6559 curwin->w_cursor.coladd = 0;
6560 #endif
6561 #ifdef FEAT_FOLDING
6562 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6563 foldOpenCursor();
6564 #endif
6565 }
6566 }
6567
6568 /*
6569 * "m" command: Mark a position.
6570 */
6571 static void
6572 nv_mark(cap)
6573 cmdarg_T *cap;
6574 {
6575 if (!checkclearop(cap->oap))
6576 {
6577 if (setmark(cap->nchar) == FAIL)
6578 clearopbeep(cap->oap);
6579 }
6580 }
6581
6582 /*
6583 * "{" and "}" commands.
6584 * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6585 */
6586 static void
6587 nv_findpar(cap)
6588 cmdarg_T *cap;
6589 {
6590 cap->oap->motion_type = MCHAR;
6591 cap->oap->inclusive = FALSE;
6592 cap->oap->use_reg_one = TRUE;
6593 curwin->w_set_curswant = TRUE;
6594 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6595 clearopbeep(cap->oap);
6596 else
6597 {
6598 #ifdef FEAT_VIRTUALEDIT
6599 curwin->w_cursor.coladd = 0;
6600 #endif
6601 #ifdef FEAT_FOLDING
6602 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6603 foldOpenCursor();
6604 #endif
6605 }
6606 }
6607
6608 /*
6609 * "u" command: Undo or make lower case.
6610 */
6611 static void
6612 nv_undo(cap)
6613 cmdarg_T *cap;
6614 {
6615 if (cap->oap->op_type == OP_LOWER
6616 #ifdef FEAT_VISUAL
6617 || VIsual_active
6618 #endif
6619 )
6620 {
6621 /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6622 cap->cmdchar = 'g';
6623 cap->nchar = 'u';
6624 nv_operator(cap);
6625 }
6626 else
6627 nv_kundo(cap);
6628 }
6629
6630 /*
6631 * <Undo> command.
6632 */
6633 static void
6634 nv_kundo(cap)
6635 cmdarg_T *cap;
6636 {
6637 if (!checkclearopq(cap->oap))
6638 {
6639 u_undo((int)cap->count1);
6640 curwin->w_set_curswant = TRUE;
6641 }
6642 }
6643
6644 /*
6645 * Handle the "r" command.
6646 */
6647 static void
6648 nv_replace(cap)
6649 cmdarg_T *cap;
6650 {
6651 char_u *ptr;
6652 int had_ctrl_v;
6653 long n;
6654
6655 if (checkclearop(cap->oap))
6656 return;
6657
6658 /* get another character */
6659 if (cap->nchar == Ctrl_V)
6660 {
6661 had_ctrl_v = Ctrl_V;
6662 cap->nchar = get_literal();
6663 /* Don't redo a multibyte character with CTRL-V. */
6664 if (cap->nchar > DEL)
6665 had_ctrl_v = NUL;
6666 }
6667 else
6668 had_ctrl_v = NUL;
6669
6670 /* Abort if the character is a special key. */
6671 if (IS_SPECIAL(cap->nchar))
6672 {
6673 clearopbeep(cap->oap);
6674 return;
6675 }
6676
6677 #ifdef FEAT_VISUAL
6678 /* Visual mode "r" */
6679 if (VIsual_active)
6680 {
6681 nv_operator(cap);
6682 return;
6683 }
6684 #endif
6685
6686 #ifdef FEAT_VIRTUALEDIT
6687 /* Break tabs, etc. */
6688 if (virtual_active())
6689 {
6690 if (u_save_cursor() == FAIL)
6691 return;
6692 if (gchar_cursor() == NUL)
6693 {
6694 /* Add extra space and put the cursor on the first one. */
6695 coladvance_force((colnr_T)(getviscol() + cap->count1));
6696 curwin->w_cursor.col -= cap->count1;
6697 }
6698 else if (gchar_cursor() == TAB)
6699 coladvance_force(getviscol());
6700 }
6701 #endif
6702
6703 /* Abort if not enough characters to replace. */
6704 ptr = ml_get_cursor();
6705 if (STRLEN(ptr) < (unsigned)cap->count1
6706 #ifdef FEAT_MBYTE
6707 || (has_mbyte && mb_charlen(ptr) < cap->count1)
6708 #endif
6709 )
6710 {
6711 clearopbeep(cap->oap);
6712 return;
6713 }
6714
6715 /*
6716 * Replacing with a TAB is done by edit() when it is complicated because
6717 * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
6718 * Other characters are done below to avoid problems with things like
6719 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6720 */
6721 if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6722 {
6723 stuffnumReadbuff(cap->count1);
6724 stuffcharReadbuff('R');
6725 stuffcharReadbuff('\t');
6726 stuffcharReadbuff(ESC);
6727 return;
6728 }
6729
6730 /* save line for undo */
6731 if (u_save_cursor() == FAIL)
6732 return;
6733
6734 if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6735 {
6736 /*
6737 * Replace character(s) by a single newline.
6738 * Strange vi behaviour: Only one newline is inserted.
6739 * Delete the characters here.
6740 * Insert the newline with an insert command, takes care of
6741 * autoindent. The insert command depends on being on the last
6742 * character of a line or not.
6743 */
6744 #ifdef FEAT_MBYTE
6745 (void)del_chars(cap->count1, FALSE); /* delete the characters */
6746 #else
6747 (void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6748 #endif
6749 stuffcharReadbuff('\r');
6750 stuffcharReadbuff(ESC);
6751
6752 /* Give 'r' to edit(), to get the redo command right. */
6753 invoke_edit(cap, TRUE, 'r', FALSE);
6754 }
6755 else
6756 {
6757 prep_redo(cap->oap->regname, cap->count1,
6758 NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6759
6760 curbuf->b_op_start = curwin->w_cursor;
6761 #ifdef FEAT_MBYTE
6762 if (has_mbyte)
6763 {
6764 int old_State = State;
6765
6766 if (cap->ncharC1 != 0)
6767 AppendCharToRedobuff(cap->ncharC1);
6768 if (cap->ncharC2 != 0)
6769 AppendCharToRedobuff(cap->ncharC2);
6770
6771 /* This is slow, but it handles replacing a single-byte with a
6772 * multi-byte and the other way around. Also handles adding
6773 * composing characters for utf-8. */
6774 for (n = cap->count1; n > 0; --n)
6775 {
6776 State = REPLACE;
6777 ins_char(cap->nchar);
6778 State = old_State;
6779 if (cap->ncharC1 != 0)
6780 ins_char(cap->ncharC1);
6781 if (cap->ncharC2 != 0)
6782 ins_char(cap->ncharC2);
6783 }
6784 }
6785 else
6786 #endif
6787 {
6788 /*
6789 * Replace the characters within one line.
6790 */
6791 for (n = cap->count1; n > 0; --n)
6792 {
6793 /*
6794 * Get ptr again, because u_save and/or showmatch() will have
6795 * released the line. At the same time we let know that the
6796 * line will be changed.
6797 */
6798 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6799 ptr[curwin->w_cursor.col] = cap->nchar;
6800 if (p_sm && msg_silent == 0)
6801 showmatch(cap->nchar);
6802 ++curwin->w_cursor.col;
6803 }
6804 #ifdef FEAT_NETBEANS_INTG
6805 if (usingNetbeans)
6806 {
6807 colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6808
6809 netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
6810 (long)cap->count1);
6811 netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6812 &ptr[start], (int)cap->count1);
6813 }
6814 #endif
6815
6816 /* mark the buffer as changed and prepare for displaying */
6817 changed_bytes(curwin->w_cursor.lnum,
6818 (colnr_T)(curwin->w_cursor.col - cap->count1));
6819 }
6820 --curwin->w_cursor.col; /* cursor on the last replaced char */
6821 #ifdef FEAT_MBYTE
6822 /* if the character on the left of the current cursor is a multi-byte
6823 * character, move two characters left */
6824 if (has_mbyte)
6825 mb_adjust_cursor();
6826 #endif
6827 curbuf->b_op_end = curwin->w_cursor;
6828 curwin->w_set_curswant = TRUE;
6829 set_last_insert(cap->nchar);
6830 }
6831 }
6832
6833 #ifdef FEAT_VISUAL
6834 /*
6835 * 'o': Exchange start and end of Visual area.
6836 * 'O': same, but in block mode exchange left and right corners.
6837 */
6838 static void
6839 v_swap_corners(cmdchar)
6840 int cmdchar;
6841 {
6842 pos_T old_cursor;
6843 colnr_T left, right;
6844
6845 if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6846 {
6847 old_cursor = curwin->w_cursor;
6848 getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6849 curwin->w_cursor.lnum = VIsual.lnum;
6850 coladvance(left);
6851 VIsual = curwin->w_cursor;
6852
6853 curwin->w_cursor.lnum = old_cursor.lnum;
6854 curwin->w_curswant = right;
6855 /* 'selection "exclusive" and cursor at right-bottom corner: move it
6856 * right one column */
6857 if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6858 ++curwin->w_curswant;
6859 coladvance(curwin->w_curswant);
6860 if (curwin->w_cursor.col == old_cursor.col
6861 #ifdef FEAT_VIRTUALEDIT
6862 && (!virtual_active()
6863 || curwin->w_cursor.coladd == old_cursor.coladd)
6864 #endif
6865 )
6866 {
6867 curwin->w_cursor.lnum = VIsual.lnum;
6868 if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6869 ++right;
6870 coladvance(right);
6871 VIsual = curwin->w_cursor;
6872
6873 curwin->w_cursor.lnum = old_cursor.lnum;
6874 coladvance(left);
6875 curwin->w_curswant = left;
6876 }
6877 }
6878 else
6879 {
6880 old_cursor = curwin->w_cursor;
6881 curwin->w_cursor = VIsual;
6882 VIsual = old_cursor;
6883 curwin->w_set_curswant = TRUE;
6884 }
6885 }
6886 #endif /* FEAT_VISUAL */
6887
6888 /*
6889 * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6890 */
6891 static void
6892 nv_Replace(cap)
6893 cmdarg_T *cap;
6894 {
6895 #ifdef FEAT_VISUAL
6896 if (VIsual_active) /* "R" is replace lines */
6897 {
6898 cap->cmdchar = 'c';
6899 cap->nchar = NUL;
6900 VIsual_mode = 'V';
6901 nv_operator(cap);
6902 }
6903 else
6904 #endif
6905 if (!checkclearopq(cap->oap))
6906 {
6907 if (!curbuf->b_p_ma)
6908 EMSG(_(e_modifiable));
6909 else
6910 {
6911 #ifdef FEAT_VIRTUALEDIT
6912 if (virtual_active())
6913 coladvance(getviscol());
6914 #endif
6915 invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
6916 }
6917 }
6918 }
6919
6920 #ifdef FEAT_VREPLACE
6921 /*
6922 * "gr".
6923 */
6924 static void
6925 nv_vreplace(cap)
6926 cmdarg_T *cap;
6927 {
6928 # ifdef FEAT_VISUAL
6929 if (VIsual_active)
6930 {
6931 cap->cmdchar = 'r';
6932 cap->nchar = cap->extra_char;
6933 nv_replace(cap); /* Do same as "r" in Visual mode for now */
6934 }
6935 else
6936 # endif
6937 if (!checkclearopq(cap->oap))
6938 {
6939 if (!curbuf->b_p_ma)
6940 EMSG(_(e_modifiable));
6941 else
6942 {
6943 if (cap->extra_char == Ctrl_V) /* get another character */
6944 cap->extra_char = get_literal();
6945 stuffcharReadbuff(cap->extra_char);
6946 stuffcharReadbuff(ESC);
6947 # ifdef FEAT_VIRTUALEDIT
6948 if (virtual_active())
6949 coladvance(getviscol());
6950 # endif
6951 invoke_edit(cap, TRUE, 'v', FALSE);
6952 }
6953 }
6954 }
6955 #endif
6956
6957 /*
6958 * Swap case for "~" command, when it does not work like an operator.
6959 */
6960 static void
6961 n_swapchar(cap)
6962 cmdarg_T *cap;
6963 {
6964 long n;
6965 pos_T startpos;
6966 int did_change = 0;
6967 #ifdef FEAT_NETBEANS_INTG
6968 pos_T pos;
6969 char_u *ptr;
6970 int count;
6971 #endif
6972
6973 if (checkclearopq(cap->oap))
6974 return;
6975
6976 if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
6977 {
6978 clearopbeep(cap->oap);
6979 return;
6980 }
6981
6982 prep_redo_cmd(cap);
6983
6984 if (u_save_cursor() == FAIL)
6985 return;
6986
6987 startpos = curwin->w_cursor;
6988 #ifdef FEAT_NETBEANS_INTG
6989 pos = startpos;
6990 #endif
6991 for (n = cap->count1; n > 0; --n)
6992 {
6993 did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
6994 inc_cursor();
6995 if (gchar_cursor() == NUL)
6996 {
6997 if (vim_strchr(p_ww, '~') != NULL
6998 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
6999 {
7000 #ifdef FEAT_NETBEANS_INTG
7001 if (usingNetbeans)
7002 {
7003 if (did_change)
7004 {
7005 ptr = ml_get(pos.lnum);
7006 count = (int)STRLEN(ptr) - pos.col;
7007 netbeans_removed(curbuf, pos.lnum, pos.col,
7008 (long)count);
7009 netbeans_inserted(curbuf, pos.lnum, pos.col,
7010 &ptr[pos.col], count);
7011 }
7012 pos.col = 0;
7013 pos.lnum++;
7014 }
7015 #endif
7016 ++curwin->w_cursor.lnum;
7017 curwin->w_cursor.col = 0;
7018 if (n > 1)
7019 {
7020 if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7021 break;
7022 u_clearline();
7023 }
7024 }
7025 else
7026 break;
7027 }
7028 }
7029 #ifdef FEAT_NETBEANS_INTG
7030 if (did_change && usingNetbeans)
7031 {
7032 ptr = ml_get(pos.lnum);
7033 count = curwin->w_cursor.col - pos.col;
7034 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7035 netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7036 }
7037 #endif
7038
7039
7040 check_cursor();
7041 curwin->w_set_curswant = TRUE;
7042 if (did_change)
7043 {
7044 changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7045 0L);
7046 curbuf->b_op_start = startpos;
7047 curbuf->b_op_end = curwin->w_cursor;
7048 if (curbuf->b_op_end.col > 0)
7049 --curbuf->b_op_end.col;
7050 }
7051 }
7052
7053 /*
7054 * Move cursor to mark.
7055 */
7056 static void
7057 nv_cursormark(cap, flag, pos)
7058 cmdarg_T *cap;
7059 int flag;
7060 pos_T *pos;
7061 {
7062 if (check_mark(pos) == FAIL)
7063 clearop(cap->oap);
7064 else
7065 {
7066 if (cap->cmdchar == '\''
7067 || cap->cmdchar == '`'
7068 || cap->cmdchar == '['
7069 || cap->cmdchar == ']')
7070 setpcmark();
7071 curwin->w_cursor = *pos;
7072 if (flag)
7073 beginline(BL_WHITE | BL_FIX);
7074 else
7075 check_cursor();
7076 }
7077 cap->oap->motion_type = flag ? MLINE : MCHAR;
7078 if (cap->cmdchar == '`')
7079 cap->oap->use_reg_one = TRUE;
7080 cap->oap->inclusive = FALSE; /* ignored if not MCHAR */
7081 curwin->w_set_curswant = TRUE;
7082 }
7083
7084 #ifdef FEAT_VISUAL
7085 /*
7086 * Handle commands that are operators in Visual mode.
7087 */
7088 static void
7089 v_visop(cap)
7090 cmdarg_T *cap;
7091 {
7092 static char_u trans[] = "YyDdCcxdXdAAIIrr";
7093
7094 /* Uppercase means linewise, except in block mode, then "D" deletes till
7095 * the end of the line, and "C" replaces til EOL */
7096 if (isupper(cap->cmdchar))
7097 {
7098 if (VIsual_mode != Ctrl_V)
7099 VIsual_mode = 'V';
7100 else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7101 curwin->w_curswant = MAXCOL;
7102 }
7103 cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7104 nv_operator(cap);
7105 }
7106 #endif
7107
7108 /*
7109 * "s" and "S" commands.
7110 */
7111 static void
7112 nv_subst(cap)
7113 cmdarg_T *cap;
7114 {
7115 #ifdef FEAT_VISUAL
7116 if (VIsual_active) /* "vs" and "vS" are the same as "vc" */
7117 {
7118 if (cap->cmdchar == 'S')
7119 VIsual_mode = 'V';
7120 cap->cmdchar = 'c';
7121 nv_operator(cap);
7122 }
7123 else
7124 #endif
7125 nv_optrans(cap);
7126 }
7127
7128 /*
7129 * Abbreviated commands.
7130 */
7131 static void
7132 nv_abbrev(cap)
7133 cmdarg_T *cap;
7134 {
7135 if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7136 cap->cmdchar = 'x'; /* DEL key behaves like 'x' */
7137
7138 #ifdef FEAT_VISUAL
7139 /* in Visual mode these commands are operators */
7140 if (VIsual_active)
7141 v_visop(cap);
7142 else
7143 #endif
7144 nv_optrans(cap);
7145 }
7146
7147 /*
7148 * Translate a command into another command.
7149 */
7150 static void
7151 nv_optrans(cap)
7152 cmdarg_T *cap;
7153 {
7154 static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7155 (char_u *)"d$", (char_u *)"c$",
7156 (char_u *)"cl", (char_u *)"cc",
7157 (char_u *)"yy", (char_u *)":s\r"};
7158 static char_u *str = (char_u *)"xXDCsSY&";
7159
7160 if (!checkclearopq(cap->oap))
7161 {
7162 /* In Vi "2D" doesn't delete the next line. Can't translate it
7163 * either, because "2." should also not use the count. */
7164 if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7165 {
7166 cap->oap->start = curwin->w_cursor;
7167 cap->oap->op_type = OP_DELETE;
7168 cap->count1 = 1;
7169 nv_dollar(cap);
7170 finish_op = TRUE;
7171 ResetRedobuff();
7172 AppendCharToRedobuff('D');
7173 }
7174 else
7175 {
7176 if (cap->count0)
7177 stuffnumReadbuff(cap->count0);
7178 stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7179 }
7180 }
7181 cap->opcount = 0;
7182 }
7183
7184 /*
7185 * "'" and "`" commands. Also for "g'" and "g`".
7186 * cap->arg is TRUE for "'" and "g'".
7187 */
7188 static void
7189 nv_gomark(cap)
7190 cmdarg_T *cap;
7191 {
7192 pos_T *pos;
7193 int c;
7194 #ifdef FEAT_FOLDING
7195 linenr_T lnum = curwin->w_cursor.lnum;
7196 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7197 #endif
7198
7199 if (cap->cmdchar == 'g')
7200 c = cap->extra_char;
7201 else
7202 c = cap->nchar;
7203 pos = getmark(c, (cap->oap->op_type == OP_NOP));
7204 if (pos == (pos_T *)-1) /* jumped to other file */
7205 {
7206 if (cap->arg)
7207 {
7208 check_cursor_lnum();
7209 beginline(BL_WHITE | BL_FIX);
7210 }
7211 else
7212 check_cursor();
7213 }
7214 else
7215 nv_cursormark(cap, cap->arg, pos);
7216
7217 #ifdef FEAT_VIRTUALEDIT
7218 /* May need to clear the coladd that a mark includes. */
7219 if (!virtual_active())
7220 curwin->w_cursor.coladd = 0;
7221 #endif
7222 #ifdef FEAT_FOLDING
7223 if (cap->oap->op_type == OP_NOP
7224 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7225 && (fdo_flags & FDO_MARK)
7226 && old_KeyTyped)
7227 foldOpenCursor();
7228 #endif
7229 }
7230
7231 /*
7232 * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7233 */
7234 static void
7235 nv_pcmark(cap)
7236 cmdarg_T *cap;
7237 {
7238 #ifdef FEAT_JUMPLIST
7239 pos_T *pos;
7240 # ifdef FEAT_FOLDING
7241 linenr_T lnum = curwin->w_cursor.lnum;
7242 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7243 # endif
7244
7245 if (!checkclearopq(cap->oap))
7246 {
7247 if (cap->cmdchar == 'g')
7248 pos = movechangelist((int)cap->count1);
7249 else
7250 pos = movemark((int)cap->count1);
7251 if (pos == (pos_T *)-1) /* jump to other file */
7252 {
7253 curwin->w_set_curswant = TRUE;
7254 check_cursor();
7255 }
7256 else if (pos != NULL) /* can jump */
7257 nv_cursormark(cap, FALSE, pos);
7258 else if (cap->cmdchar == 'g')
7259 {
7260 if (curbuf->b_changelistlen == 0)
7261 EMSG(_("E664: changelist is empty"));
7262 else if (cap->count1 < 0)
7263 EMSG(_("E662: At start of changelist"));
7264 else
7265 EMSG(_("E663: At end of changelist"));
7266 }
7267 else
7268 clearopbeep(cap->oap);
7269 # ifdef FEAT_FOLDING
7270 if (cap->oap->op_type == OP_NOP
7271 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7272 && (fdo_flags & FDO_MARK)
7273 && old_KeyTyped)
7274 foldOpenCursor();
7275 # endif
7276 }
7277 #else
7278 clearopbeep(cap->oap);
7279 #endif
7280 }
7281
7282 /*
7283 * Handle '"' command.
7284 */
7285 static void
7286 nv_regname(cap)
7287 cmdarg_T *cap;
7288 {
7289 if (checkclearop(cap->oap))
7290 return;
7291 #ifdef FEAT_EVAL
7292 if (cap->nchar == '=')
7293 cap->nchar = get_expr_register();
7294 #endif
7295 if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7296 {
7297 cap->oap->regname = cap->nchar;
7298 cap->opcount = cap->count0; /* remember count before '"' */
7299 #ifdef FEAT_EVAL
7300 set_reg_var(cap->oap->regname);
7301 #endif
7302 }
7303 else
7304 clearopbeep(cap->oap);
7305 }
7306
7307 #ifdef FEAT_VISUAL
7308 /*
7309 * Handle "v", "V" and "CTRL-V" commands.
7310 * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7311 * is TRUE.
7312 * Handle CTRL-Q just like CTRL-V.
7313 */
7314 static void
7315 nv_visual(cap)
7316 cmdarg_T *cap;
7317 {
7318 if (cap->cmdchar == Ctrl_Q)
7319 cap->cmdchar = Ctrl_V;
7320
7321 /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7322 * characterwise, linewise, or blockwise. */
7323 if (cap->oap->op_type != OP_NOP)
7324 {
7325 cap->oap->motion_force = cap->cmdchar;
7326 finish_op = FALSE; /* operator doesn't finish now but later */
7327 return;
7328 }
7329
7330 VIsual_select = cap->arg;
7331 if (VIsual_active) /* change Visual mode */
7332 {
7333 if (VIsual_mode == cap->cmdchar) /* stop visual mode */
7334 end_visual_mode();
7335 else /* toggle char/block mode */
7336 { /* or char/line mode */
7337 VIsual_mode = cap->cmdchar;
7338 showmode();
7339 }
7340 redraw_curbuf_later(INVERTED); /* update the inversion */
7341 }
7342 else /* start Visual mode */
7343 {
7344 check_visual_highlight();
7345 if (cap->count0) /* use previously selected part */
7346 {
7347 if (resel_VIsual_mode == NUL) /* there is none */
7348 {
7349 beep_flush();
7350 return;
7351 }
7352 VIsual = curwin->w_cursor;
7353
7354 VIsual_active = TRUE;
7355 VIsual_reselect = TRUE;
7356 if (!cap->arg)
7357 /* start Select mode when 'selectmode' contains "cmd" */
7358 may_start_select('c');
7359 #ifdef FEAT_MOUSE
7360 setmouse();
7361 #endif
7362 if (p_smd && msg_silent == 0)
7363 redraw_cmdline = TRUE; /* show visual mode later */
7364 /*
7365 * For V and ^V, we multiply the number of lines even if there
7366 * was only one -- webb
7367 */
7368 if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7369 {
7370 curwin->w_cursor.lnum +=
7371 resel_VIsual_line_count * cap->count0 - 1;
7372 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7373 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7374 }
7375 VIsual_mode = resel_VIsual_mode;
7376 if (VIsual_mode == 'v')
7377 {
7378 if (resel_VIsual_line_count <= 1)
7379 curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
7380 else
7381 curwin->w_cursor.col = resel_VIsual_col;
7382 check_cursor_col();
7383 }
7384 if (resel_VIsual_col == MAXCOL)
7385 {
7386 curwin->w_curswant = MAXCOL;
7387 coladvance((colnr_T)MAXCOL);
7388 }
7389 else if (VIsual_mode == Ctrl_V)
7390 {
7391 validate_virtcol();
7392 curwin->w_curswant = curwin->w_virtcol
7393 + resel_VIsual_col * cap->count0 - 1;
7394 coladvance(curwin->w_curswant);
7395 }
7396 else
7397 curwin->w_set_curswant = TRUE;
7398 redraw_curbuf_later(INVERTED); /* show the inversion */
7399 }
7400 else
7401 {
7402 if (!cap->arg)
7403 /* start Select mode when 'selectmode' contains "cmd" */
7404 may_start_select('c');
7405 n_start_visual_mode(cap->cmdchar);
7406 }
7407 }
7408 }
7409
7410 /*
7411 * Start selection for Shift-movement keys.
7412 */
7413 void
7414 start_selection()
7415 {
7416 /* if 'selectmode' contains "key", start Select mode */
7417 may_start_select('k');
7418 n_start_visual_mode('v');
7419 }
7420
7421 /*
7422 * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7423 */
7424 void
7425 may_start_select(c)
7426 int c;
7427 {
7428 VIsual_select = (stuff_empty() && typebuf_typed()
7429 && (vim_strchr(p_slm, c) != NULL));
7430 }
7431
7432 /*
7433 * Start Visual mode "c".
7434 * Should set VIsual_select before calling this.
7435 */
7436 static void
7437 n_start_visual_mode(c)
7438 int c;
7439 {
7440 VIsual_mode = c;
7441 VIsual_active = TRUE;
7442 VIsual_reselect = TRUE;
7443 #ifdef FEAT_VIRTUALEDIT
7444 /* Corner case: the 0 position in a tab may change when going into
7445 * virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting.
7446 */
7447 if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7448 coladvance(curwin->w_virtcol);
7449 #endif
7450 VIsual = curwin->w_cursor;
7451
7452 #ifdef FEAT_FOLDING
7453 foldAdjustVisual();
7454 #endif
7455
7456 #ifdef FEAT_MOUSE
7457 setmouse();
7458 #endif
7459 if (p_smd && msg_silent == 0)
7460 redraw_cmdline = TRUE; /* show visual mode later */
7461 #ifdef FEAT_CLIPBOARD
7462 /* Make sure the clipboard gets updated. Needed because start and
7463 * end may still be the same, and the selection needs to be owned */
7464 clip_star.vmode = NUL;
7465 #endif
7466
7467 /* Only need to redraw this line, unless still need to redraw an old
7468 * Visual area (when 'lazyredraw' is set). */
7469 if (curwin->w_redr_type < INVERTED)
7470 {
7471 curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7472 curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7473 }
7474 }
7475
7476 #endif /* FEAT_VISUAL */
7477
7478 /*
7479 * CTRL-W: Window commands
7480 */
7481 static void
7482 nv_window(cap)
7483 cmdarg_T *cap;
7484 {
7485 #ifdef FEAT_WINDOWS
7486 if (!checkclearop(cap->oap))
7487 do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7488 #else
7489 (void)checkclearop(cap->oap);
7490 #endif
7491 }
7492
7493 /*
7494 * CTRL-Z: Suspend
7495 */
7496 static void
7497 nv_suspend(cap)
7498 cmdarg_T *cap;
7499 {
7500 clearop(cap->oap);
7501 #ifdef FEAT_VISUAL
7502 if (VIsual_active)
7503 end_visual_mode(); /* stop Visual mode */
7504 #endif
7505 do_cmdline_cmd((char_u *)"st");
7506 }
7507
7508 /*
7509 * Commands starting with "g".
7510 */
7511 static void
7512 nv_g_cmd(cap)
7513 cmdarg_T *cap;
7514 {
7515 oparg_T *oap = cap->oap;
7516 #ifdef FEAT_VISUAL
7517 pos_T tpos;
7518 #endif
7519 int i;
7520 int flag = FALSE;
7521
7522 switch (cap->nchar)
7523 {
7524 #ifdef MEM_PROFILE
7525 /*
7526 * "g^A": dump log of used memory.
7527 */
7528 case Ctrl_A:
7529 vim_mem_profile_dump();
7530 break;
7531 #endif
7532
7533 #ifdef FEAT_VREPLACE
7534 /*
7535 * "gR": Enter virtual replace mode.
7536 */
7537 case 'R':
7538 cap->arg = TRUE;
7539 nv_Replace(cap);
7540 break;
7541
7542 case 'r':
7543 nv_vreplace(cap);
7544 break;
7545 #endif
7546
7547 case '&':
7548 do_cmdline_cmd((char_u *)"%s//~/&");
7549 break;
7550
7551 #ifdef FEAT_VISUAL
7552 /*
7553 * "gv": Reselect the previous Visual area. If Visual already active,
7554 * exchange previous and current Visual area.
7555 */
7556 case 'v':
7557 if (checkclearop(oap))
7558 break;
7559
7560 if ( curbuf->b_visual.vi_start.lnum == 0
7561 || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7562 || curbuf->b_visual.vi_end.lnum == 0)
7563 beep_flush();
7564 else
7565 {
7566 /* set w_cursor to the start of the Visual area, tpos to the end */
7567 if (VIsual_active)
7568 {
7569 i = VIsual_mode;
7570 VIsual_mode = curbuf->b_visual.vi_mode;
7571 curbuf->b_visual.vi_mode = i;
7572 # ifdef FEAT_EVAL
7573 curbuf->b_visual_mode_eval = i;
7574 # endif
7575 i = curwin->w_curswant;
7576 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7577 curbuf->b_visual.vi_curswant = i;
7578
7579 tpos = curbuf->b_visual.vi_end;
7580 curbuf->b_visual.vi_end = curwin->w_cursor;
7581 curwin->w_cursor = curbuf->b_visual.vi_start;
7582 curbuf->b_visual.vi_start = VIsual;
7583 }
7584 else
7585 {
7586 VIsual_mode = curbuf->b_visual.vi_mode;
7587 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7588 tpos = curbuf->b_visual.vi_end;
7589 curwin->w_cursor = curbuf->b_visual.vi_start;
7590 }
7591
7592 VIsual_active = TRUE;
7593 VIsual_reselect = TRUE;
7594
7595 /* Set Visual to the start and w_cursor to the end of the Visual
7596 * area. Make sure they are on an existing character. */
7597 check_cursor();
7598 VIsual = curwin->w_cursor;
7599 curwin->w_cursor = tpos;
7600 check_cursor();
7601 update_topline();
7602 /*
7603 * When called from normal "g" command: start Select mode when
7604 * 'selectmode' contains "cmd". When called for K_SELECT, always
7605 * start Select mode.
7606 */
7607 if (cap->arg)
7608 VIsual_select = TRUE;
7609 else
7610 may_start_select('c');
7611 #ifdef FEAT_MOUSE
7612 setmouse();
7613 #endif
7614 #ifdef FEAT_CLIPBOARD
7615 /* Make sure the clipboard gets updated. Needed because start and
7616 * end are still the same, and the selection needs to be owned */
7617 clip_star.vmode = NUL;
7618 #endif
7619 redraw_curbuf_later(INVERTED);
7620 showmode();
7621 }
7622 break;
7623 /*
7624 * "gV": Don't reselect the previous Visual area after a Select mode
7625 * mapping of menu.
7626 */
7627 case 'V':
7628 VIsual_reselect = FALSE;
7629 break;
7630
7631 /*
7632 * "gh": start Select mode.
7633 * "gH": start Select line mode.
7634 * "g^H": start Select block mode.
7635 */
7636 case K_BS:
7637 cap->nchar = Ctrl_H;
7638 /* FALLTHROUGH */
7639 case 'h':
7640 case 'H':
7641 case Ctrl_H:
7642 # ifdef EBCDIC
7643 /* EBCDIC: 'v'-'h' != '^v'-'^h' */
7644 if (cap->nchar == Ctrl_H)
7645 cap->cmdchar = Ctrl_V;
7646 else
7647 # endif
7648 cap->cmdchar = cap->nchar + ('v' - 'h');
7649 cap->arg = TRUE;
7650 nv_visual(cap);
7651 break;
7652 #endif /* FEAT_VISUAL */
7653
7654 /*
7655 * "gj" and "gk" two new funny movement keys -- up and down
7656 * movement based on *screen* line rather than *file* line.
7657 */
7658 case 'j':
7659 case K_DOWN:
7660 /* with 'nowrap' it works just like the normal "j" command; also when
7661 * in a closed fold */
7662 if (!curwin->w_p_wrap
7663 #ifdef FEAT_FOLDING
7664 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7665 #endif
7666 )
7667 {
7668 oap->motion_type = MLINE;
7669 i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7670 }
7671 else
7672 i = nv_screengo(oap, FORWARD, cap->count1);
7673 if (i == FAIL)
7674 clearopbeep(oap);
7675 break;
7676
7677 case 'k':
7678 case K_UP:
7679 /* with 'nowrap' it works just like the normal "k" command; also when
7680 * in a closed fold */
7681 if (!curwin->w_p_wrap
7682 #ifdef FEAT_FOLDING
7683 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7684 #endif
7685 )
7686 {
7687 oap->motion_type = MLINE;
7688 i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7689 }
7690 else
7691 i = nv_screengo(oap, BACKWARD, cap->count1);
7692 if (i == FAIL)
7693 clearopbeep(oap);
7694 break;
7695
7696 /*
7697 * "gJ": join two lines without inserting a space.
7698 */
7699 case 'J':
7700 nv_join(cap);
7701 break;
7702
7703 /*
7704 * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7705 * "gm": middle of "g0" and "g$".
7706 */
7707 case '^':
7708 flag = TRUE;
7709 /* FALLTHROUGH */
7710
7711 case '0':
7712 case 'm':
7713 case K_HOME:
7714 case K_KHOME:
7715 oap->motion_type = MCHAR;
7716 oap->inclusive = FALSE;
7717 if (curwin->w_p_wrap
7718 #ifdef FEAT_VERTSPLIT
7719 && curwin->w_width != 0
7720 #endif
7721 )
7722 {
7723 int width1 = W_WIDTH(curwin) - curwin_col_off();
7724 int width2 = width1 + curwin_col_off2();
7725
7726 validate_virtcol();
7727 i = 0;
7728 if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7729 i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7730 }
7731 else
7732 i = curwin->w_leftcol;
7733 /* Go to the middle of the screen line. When 'number' is on and lines
7734 * are wrapping the middle can be more to the left.*/
7735 if (cap->nchar == 'm')
7736 i += (W_WIDTH(curwin) - curwin_col_off()
7737 + ((curwin->w_p_wrap && i > 0)
7738 ? curwin_col_off2() : 0)) / 2;
7739 coladvance((colnr_T)i);
7740 if (flag)
7741 {
7742 do
7743 i = gchar_cursor();
7744 while (vim_iswhite(i) && oneright() == OK);
7745 }
7746 curwin->w_set_curswant = TRUE;
7747 break;
7748
7749 case '_':
7750 /* "g_": to the last non-blank character in the line or <count> lines
7751 * downward. */
7752 cap->oap->motion_type = MCHAR;
7753 cap->oap->inclusive = TRUE;
7754 curwin->w_curswant = MAXCOL;
7755 if (cursor_down((long)(cap->count1 - 1),
7756 cap->oap->op_type == OP_NOP) == FAIL)
7757 clearopbeep(cap->oap);
7758 else
7759 {
7760 char_u *ptr = ml_get_curline();
7761
7762 /* In Visual mode we may end up after the line. */
7763 if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7764 --curwin->w_cursor.col;
7765
7766 /* Decrease the cursor column until it's on a non-blank. */
7767 while (curwin->w_cursor.col > 0
7768 && vim_iswhite(ptr[curwin->w_cursor.col]))
7769 --curwin->w_cursor.col;
7770 curwin->w_set_curswant = TRUE;
7771 }
7772 break;
7773
7774 case '$':
7775 case K_END:
7776 case K_KEND:
7777 {
7778 int col_off = curwin_col_off();
7779
7780 oap->motion_type = MCHAR;
7781 oap->inclusive = TRUE;
7782 if (curwin->w_p_wrap
7783 #ifdef FEAT_VERTSPLIT
7784 && curwin->w_width != 0
7785 #endif
7786 )
7787 {
7788 curwin->w_curswant = MAXCOL; /* so we stay at the end */
7789 if (cap->count1 == 1)
7790 {
7791 int width1 = W_WIDTH(curwin) - col_off;
7792 int width2 = width1 + curwin_col_off2();
7793
7794 validate_virtcol();
7795 i = width1 - 1;
7796 if (curwin->w_virtcol >= (colnr_T)width1)
7797 i += ((curwin->w_virtcol - width1) / width2 + 1)
7798 * width2;
7799 coladvance((colnr_T)i);
7800 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7801 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7802 {
7803 /*
7804 * Check for landing on a character that got split at
7805 * the end of the line. We do not want to advance to
7806 * the next screen line.
7807 */
7808 validate_virtcol();
7809 if (curwin->w_virtcol > (colnr_T)i)
7810 --curwin->w_cursor.col;
7811 }
7812 #endif
7813 }
7814 else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7815 clearopbeep(oap);
7816 }
7817 else
7818 {
7819 i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7820 coladvance((colnr_T)i);
7821
7822 /* Make sure we stick in this column. */
7823 validate_virtcol();
7824 curwin->w_curswant = curwin->w_virtcol;
7825 curwin->w_set_curswant = FALSE;
7826 }
7827 }
7828 break;
7829
7830 /*
7831 * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7832 */
7833 case '*':
7834 case '#':
7835 #if POUND != '#'
7836 case POUND: /* pound sign (sometimes equal to '#') */
7837 #endif
7838 case Ctrl_RSB: /* :tag or :tselect for current identifier */
7839 case ']': /* :tselect for current identifier */
7840 nv_ident(cap);
7841 break;
7842
7843 /*
7844 * ge and gE: go back to end of word
7845 */
7846 case 'e':
7847 case 'E':
7848 oap->motion_type = MCHAR;
7849 curwin->w_set_curswant = TRUE;
7850 oap->inclusive = TRUE;
7851 if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7852 clearopbeep(oap);
7853 break;
7854
7855 /*
7856 * "g CTRL-G": display info about cursor position
7857 */
7858 case Ctrl_G:
7859 cursor_pos_info();
7860 break;
7861
7862 /*
7863 * "gi": start Insert at the last position.
7864 */
7865 case 'i':
7866 if (curbuf->b_last_insert.lnum != 0)
7867 {
7868 curwin->w_cursor = curbuf->b_last_insert;
7869 check_cursor_lnum();
7870 i = (int)STRLEN(ml_get_curline());
7871 if (curwin->w_cursor.col > (colnr_T)i)
7872 {
7873 #ifdef FEAT_VIRTUALEDIT
7874 if (virtual_active())
7875 curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7876 #endif
7877 curwin->w_cursor.col = i;
7878 }
7879 }
7880 cap->cmdchar = 'i';
7881 nv_edit(cap);
7882 break;
7883
7884 /*
7885 * "gI": Start insert in column 1.
7886 */
7887 case 'I':
7888 beginline(0);
7889 if (!checkclearopq(oap))
7890 invoke_edit(cap, FALSE, 'g', FALSE);
7891 break;
7892
7893 #ifdef FEAT_SEARCHPATH
7894 /*
7895 * "gf": goto file, edit file under cursor
7896 * "]f" and "[f": can also be used.
7897 */
7898 case 'f':
7899 case 'F':
7900 nv_gotofile(cap);
7901 break;
7902 #endif
7903
7904 /* "g'm" and "g`m": jump to mark without setting pcmark */
7905 case '\'':
7906 cap->arg = TRUE;
7907 /*FALLTHROUGH*/
7908 case '`':
7909 nv_gomark(cap);
7910 break;
7911
7912 /*
7913 * "gs": Goto sleep.
7914 */
7915 case 's':
7916 do_sleep(cap->count1 * 1000L);
7917 break;
7918
7919 /*
7920 * "ga": Display the ascii value of the character under the
7921 * cursor. It is displayed in decimal, hex, and octal. -- webb
7922 */
7923 case 'a':
7924 do_ascii(NULL);
7925 break;
7926
7927 #ifdef FEAT_MBYTE
7928 /*
7929 * "g8": Display the bytes used for the UTF-8 character under the
7930 * cursor. It is displayed in hex.
7931 * "8g8" finds illegal byte sequence.
7932 */
7933 case '8':
7934 if (cap->count0 == 8)
7935 utf_find_illegal();
7936 else
7937 show_utf8();
7938 break;
7939 #endif
7940
7941 case '<':
7942 show_sb_text();
7943 break;
7944
7945 /*
7946 * "gg": Goto the first line in file. With a count it goes to
7947 * that line number like for "G". -- webb
7948 */
7949 case 'g':
7950 cap->arg = FALSE;
7951 nv_goto(cap);
7952 break;
7953
7954 /*
7955 * Two-character operators:
7956 * "gq" Format text
7957 * "gw" Format text and keep cursor position
7958 * "g~" Toggle the case of the text.
7959 * "gu" Change text to lower case.
7960 * "gU" Change text to upper case.
7961 * "g?" rot13 encoding
7962 * "g@" call 'operatorfunc'
7963 */
7964 case 'q':
7965 case 'w':
7966 oap->cursor_start = curwin->w_cursor;
7967 /*FALLTHROUGH*/
7968 case '~':
7969 case 'u':
7970 case 'U':
7971 case '?':
7972 case '@':
7973 nv_operator(cap);
7974 break;
7975
7976 /*
7977 * "gd": Find first occurrence of pattern under the cursor in the
7978 * current function
7979 * "gD": idem, but in the current file.
7980 */
7981 case 'd':
7982 case 'D':
7983 nv_gd(oap, cap->nchar, (int)cap->count0);
7984 break;
7985
7986 #ifdef FEAT_MOUSE
7987 /*
7988 * g<*Mouse> : <C-*mouse>
7989 */
7990 case K_MIDDLEMOUSE:
7991 case K_MIDDLEDRAG:
7992 case K_MIDDLERELEASE:
7993 case K_LEFTMOUSE:
7994 case K_LEFTDRAG:
7995 case K_LEFTRELEASE:
7996 case K_RIGHTMOUSE:
7997 case K_RIGHTDRAG:
7998 case K_RIGHTRELEASE:
7999 case K_X1MOUSE:
8000 case K_X1DRAG:
8001 case K_X1RELEASE:
8002 case K_X2MOUSE:
8003 case K_X2DRAG:
8004 case K_X2RELEASE:
8005 mod_mask = MOD_MASK_CTRL;
8006 (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8007 break;
8008 #endif
8009
8010 case K_IGNORE:
8011 break;
8012
8013 /*
8014 * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8015 */
8016 case 'p':
8017 case 'P':
8018 nv_put(cap);
8019 break;
8020
8021 #ifdef FEAT_BYTEOFF
8022 /* "go": goto byte count from start of buffer */
8023 case 'o':
8024 goto_byte(cap->count0);
8025 break;
8026 #endif
8027
8028 /* "gQ": improved Ex mode */
8029 case 'Q':
8030 if (text_locked())
8031 {
8032 clearopbeep(cap->oap);
8033 text_locked_msg();
8034 break;
8035 }
8036
8037 if (!checkclearopq(oap))
8038 do_exmode(TRUE);
8039 break;
8040
8041 #ifdef FEAT_JUMPLIST
8042 case ',':
8043 nv_pcmark(cap);
8044 break;
8045
8046 case ';':
8047 cap->count1 = -cap->count1;
8048 nv_pcmark(cap);
8049 break;
8050 #endif
8051
8052 #ifdef FEAT_WINDOWS
8053 case 't':
8054 goto_tabpage((int)cap->count0);
8055 break;
8056 case 'T':
8057 goto_tabpage(-(int)cap->count1);
8058 break;
8059 #endif
8060
8061 case '+':
8062 case '-': /* "g+" and "g-": undo or redo along the timeline */
8063 if (!checkclearopq(oap))
8064 undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8065 FALSE, FALSE);
8066 break;
8067
8068 default:
8069 clearopbeep(oap);
8070 break;
8071 }
8072 }
8073
8074 /*
8075 * Handle "o" and "O" commands.
8076 */
8077 static void
8078 n_opencmd(cap)
8079 cmdarg_T *cap;
8080 {
8081 if (!checkclearopq(cap->oap))
8082 {
8083 #ifdef FEAT_FOLDING
8084 if (cap->cmdchar == 'O')
8085 /* Open above the first line of a folded sequence of lines */
8086 (void)hasFolding(curwin->w_cursor.lnum,
8087 &curwin->w_cursor.lnum, NULL);
8088 else
8089 /* Open below the last line of a folded sequence of lines */
8090 (void)hasFolding(curwin->w_cursor.lnum,
8091 NULL, &curwin->w_cursor.lnum);
8092 #endif
8093 if (u_save((linenr_T)(curwin->w_cursor.lnum -
8094 (cap->cmdchar == 'O' ? 1 : 0)),
8095 (linenr_T)(curwin->w_cursor.lnum +
8096 (cap->cmdchar == 'o' ? 1 : 0))
8097 ) == OK
8098 && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8099 #ifdef FEAT_COMMENTS
8100 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8101 #endif
8102 0, 0))
8103 {
8104 /* When '#' is in 'cpoptions' ignore the count. */
8105 if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8106 cap->count1 = 1;
8107 invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8108 }
8109 }
8110 }
8111
8112 /*
8113 * "." command: redo last change.
8114 */
8115 static void
8116 nv_dot(cap)
8117 cmdarg_T *cap;
8118 {
8119 if (!checkclearopq(cap->oap))
8120 {
8121 /*
8122 * If "restart_edit" is TRUE, the last but one command is repeated
8123 * instead of the last command (inserting text). This is used for
8124 * CTRL-O <.> in insert mode.
8125 */
8126 if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8127 clearopbeep(cap->oap);
8128 }
8129 }
8130
8131 /*
8132 * CTRL-R: undo undo
8133 */
8134 static void
8135 nv_redo(cap)
8136 cmdarg_T *cap;
8137 {
8138 if (!checkclearopq(cap->oap))
8139 {
8140 u_redo((int)cap->count1);
8141 curwin->w_set_curswant = TRUE;
8142 }
8143 }
8144
8145 /*
8146 * Handle "U" command.
8147 */
8148 static void
8149 nv_Undo(cap)
8150 cmdarg_T *cap;
8151 {
8152 /* In Visual mode and typing "gUU" triggers an operator */
8153 if (cap->oap->op_type == OP_UPPER
8154 #ifdef FEAT_VISUAL
8155 || VIsual_active
8156 #endif
8157 )
8158 {
8159 /* translate "gUU" to "gUgU" */
8160 cap->cmdchar = 'g';
8161 cap->nchar = 'U';
8162 nv_operator(cap);
8163 }
8164 else if (!checkclearopq(cap->oap))
8165 {
8166 u_undoline();
8167 curwin->w_set_curswant = TRUE;
8168 }
8169 }
8170
8171 /*
8172 * '~' command: If tilde is not an operator and Visual is off: swap case of a
8173 * single character.
8174 */
8175 static void
8176 nv_tilde(cap)
8177 cmdarg_T *cap;
8178 {
8179 if (!p_to
8180 #ifdef FEAT_VISUAL
8181 && !VIsual_active
8182 #endif
8183 && cap->oap->op_type != OP_TILDE)
8184 n_swapchar(cap);
8185 else
8186 nv_operator(cap);
8187 }
8188
8189 /*
8190 * Handle an operator command.
8191 * The actual work is done by do_pending_operator().
8192 */
8193 static void
8194 nv_operator(cap)
8195 cmdarg_T *cap;
8196 {
8197 int op_type;
8198
8199 op_type = get_op_type(cap->cmdchar, cap->nchar);
8200
8201 if (op_type == cap->oap->op_type) /* double operator works on lines */
8202 nv_lineop(cap);
8203 else if (!checkclearop(cap->oap))
8204 {
8205 cap->oap->start = curwin->w_cursor;
8206 cap->oap->op_type = op_type;
8207 }
8208 }
8209
8210 /*
8211 * Handle linewise operator "dd", "yy", etc.
8212 *
8213 * "_" is is a strange motion command that helps make operators more logical.
8214 * It is actually implemented, but not documented in the real Vi. This motion
8215 * command actually refers to "the current line". Commands like "dd" and "yy"
8216 * are really an alternate form of "d_" and "y_". It does accept a count, so
8217 * "d3_" works to delete 3 lines.
8218 */
8219 static void
8220 nv_lineop(cap)
8221 cmdarg_T *cap;
8222 {
8223 cap->oap->motion_type = MLINE;
8224 if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8225 clearopbeep(cap->oap);
8226 else if ( cap->oap->op_type == OP_DELETE
8227 || cap->oap->op_type == OP_LSHIFT
8228 || cap->oap->op_type == OP_RSHIFT)
8229 beginline(BL_SOL | BL_FIX);
8230 else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */
8231 beginline(BL_WHITE | BL_FIX);
8232 }
8233
8234 /*
8235 * <Home> command.
8236 */
8237 static void
8238 nv_home(cap)
8239 cmdarg_T *cap;
8240 {
8241 /* CTRL-HOME is like "gg" */
8242 if (mod_mask & MOD_MASK_CTRL)
8243 nv_goto(cap);
8244 else
8245 {
8246 cap->count0 = 1;
8247 nv_pipe(cap);
8248 }
8249 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8250 one-character line). */
8251 }
8252
8253 /*
8254 * "|" command.
8255 */
8256 static void
8257 nv_pipe(cap)
8258 cmdarg_T *cap;
8259 {
8260 cap->oap->motion_type = MCHAR;
8261 cap->oap->inclusive = FALSE;
8262 beginline(0);
8263 if (cap->count0 > 0)
8264 {
8265 coladvance((colnr_T)(cap->count0 - 1));
8266 curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8267 }
8268 else
8269 curwin->w_curswant = 0;
8270 /* keep curswant at the column where we wanted to go, not where
8271 we ended; differs if line is too short */
8272 curwin->w_set_curswant = FALSE;
8273 }
8274
8275 /*
8276 * Handle back-word command "b" and "B".
8277 * cap->arg is 1 for "B"
8278 */
8279 static void
8280 nv_bck_word(cap)
8281 cmdarg_T *cap;
8282 {
8283 cap->oap->motion_type = MCHAR;
8284 cap->oap->inclusive = FALSE;
8285 curwin->w_set_curswant = TRUE;
8286 if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8287 clearopbeep(cap->oap);
8288 #ifdef FEAT_FOLDING
8289 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8290 foldOpenCursor();
8291 #endif
8292 }
8293
8294 /*
8295 * Handle word motion commands "e", "E", "w" and "W".
8296 * cap->arg is TRUE for "E" and "W".
8297 */
8298 static void
8299 nv_wordcmd(cap)
8300 cmdarg_T *cap;
8301 {
8302 int n;
8303 int word_end;
8304 int flag = FALSE;
8305
8306 /*
8307 * Set inclusive for the "E" and "e" command.
8308 */
8309 if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8310 word_end = TRUE;
8311 else
8312 word_end = FALSE;
8313 cap->oap->inclusive = word_end;
8314
8315 /*
8316 * "cw" and "cW" are a special case.
8317 */
8318 if (!word_end && cap->oap->op_type == OP_CHANGE)
8319 {
8320 n = gchar_cursor();
8321 if (n != NUL) /* not an empty line */
8322 {
8323 if (vim_iswhite(n))
8324 {
8325 /*
8326 * Reproduce a funny Vi behaviour: "cw" on a blank only
8327 * changes one character, not all blanks until the start of
8328 * the next word. Only do this when the 'w' flag is included
8329 * in 'cpoptions'.
8330 */
8331 if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8332 {
8333 cap->oap->inclusive = TRUE;
8334 cap->oap->motion_type = MCHAR;
8335 return;
8336 }
8337 }
8338 else
8339 {
8340 /*
8341 * This is a little strange. To match what the real Vi does,
8342 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8343 * that we are not on a space or a TAB. This seems impolite
8344 * at first, but it's really more what we mean when we say
8345 * 'cw'.
8346 * Another strangeness: When standing on the end of a word
8347 * "ce" will change until the end of the next wordt, but "cw"
8348 * will change only one character! This is done by setting
8349 * flag.
8350 */
8351 cap->oap->inclusive = TRUE;
8352 word_end = TRUE;
8353 flag = TRUE;
8354 }
8355 }
8356 }
8357
8358 cap->oap->motion_type = MCHAR;
8359 curwin->w_set_curswant = TRUE;
8360 if (word_end)
8361 n = end_word(cap->count1, cap->arg, flag, FALSE);
8362 else
8363 n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8364
8365 /* Don't leave the cursor on the NUL past a line */
8366 if (curwin->w_cursor.col && gchar_cursor() == NUL)
8367 {
8368 --curwin->w_cursor.col;
8369 cap->oap->inclusive = TRUE;
8370 }
8371
8372 if (n == FAIL && cap->oap->op_type == OP_NOP)
8373 clearopbeep(cap->oap);
8374 else
8375 {
8376 #ifdef FEAT_VISUAL
8377 adjust_for_sel(cap);
8378 #endif
8379 #ifdef FEAT_FOLDING
8380 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8381 foldOpenCursor();
8382 #endif
8383 }
8384 }
8385
8386 /*
8387 * "0" and "^" commands.
8388 * cap->arg is the argument for beginline().
8389 */
8390 static void
8391 nv_beginline(cap)
8392 cmdarg_T *cap;
8393 {
8394 cap->oap->motion_type = MCHAR;
8395 cap->oap->inclusive = FALSE;
8396 beginline(cap->arg);
8397 #ifdef FEAT_FOLDING
8398 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8399 foldOpenCursor();
8400 #endif
8401 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8402 one-character line). */
8403 }
8404
8405 #ifdef FEAT_VISUAL
8406 /*
8407 * In exclusive Visual mode, may include the last character.
8408 */
8409 static void
8410 adjust_for_sel(cap)
8411 cmdarg_T *cap;
8412 {
8413 if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8414 && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8415 {
8416 # ifdef FEAT_MBYTE
8417 if (has_mbyte)
8418 inc_cursor();
8419 else
8420 # endif
8421 ++curwin->w_cursor.col;
8422 cap->oap->inclusive = FALSE;
8423 }
8424 }
8425
8426 /*
8427 * Exclude last character at end of Visual area for 'selection' == "exclusive".
8428 * Should check VIsual_mode before calling this.
8429 * Returns TRUE when backed up to the previous line.
8430 */
8431 static int
8432 unadjust_for_sel()
8433 {
8434 pos_T *pp;
8435
8436 if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8437 {
8438 if (lt(VIsual, curwin->w_cursor))
8439 pp = &curwin->w_cursor;
8440 else
8441 pp = &VIsual;
8442 #ifdef FEAT_VIRTUALEDIT
8443 if (pp->coladd > 0)
8444 --pp->coladd;
8445 else
8446 #endif
8447 if (pp->col > 0)
8448 {
8449 --pp->col;
8450 #ifdef FEAT_MBYTE
8451 mb_adjustpos(pp);
8452 #endif
8453 }
8454 else if (pp->lnum > 1)
8455 {
8456 --pp->lnum;
8457 pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8458 return TRUE;
8459 }
8460 }
8461 return FALSE;
8462 }
8463
8464 /*
8465 * SELECT key in Normal or Visual mode: end of Select mode mapping.
8466 */
8467 static void
8468 nv_select(cap)
8469 cmdarg_T *cap;
8470 {
8471 if (VIsual_active)
8472 VIsual_select = TRUE;
8473 else if (VIsual_reselect)
8474 {
8475 cap->nchar = 'v'; /* fake "gv" command */
8476 cap->arg = TRUE;
8477 nv_g_cmd(cap);
8478 }
8479 }
8480
8481 #endif
8482
8483 /*
8484 * "G", "gg", CTRL-END, CTRL-HOME.
8485 * cap->arg is TRUE for "G".
8486 */
8487 static void
8488 nv_goto(cap)
8489 cmdarg_T *cap;
8490 {
8491 linenr_T lnum;
8492
8493 if (cap->arg)
8494 lnum = curbuf->b_ml.ml_line_count;
8495 else
8496 lnum = 1L;
8497 cap->oap->motion_type = MLINE;
8498 setpcmark();
8499
8500 /* When a count is given, use it instead of the default lnum */
8501 if (cap->count0 != 0)
8502 lnum = cap->count0;
8503 if (lnum < 1L)
8504 lnum = 1L;
8505 else if (lnum > curbuf->b_ml.ml_line_count)
8506 lnum = curbuf->b_ml.ml_line_count;
8507 curwin->w_cursor.lnum = lnum;
8508 beginline(BL_SOL | BL_FIX);
8509 #ifdef FEAT_FOLDING
8510 if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8511 foldOpenCursor();
8512 #endif
8513 }
8514
8515 /*
8516 * CTRL-\ in Normal mode.
8517 */
8518 static void
8519 nv_normal(cap)
8520 cmdarg_T *cap;
8521 {
8522 if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8523 {
8524 clearop(cap->oap);
8525 if (restart_edit != 0 && mode_displayed)
8526 clear_cmdline = TRUE; /* unshow mode later */
8527 restart_edit = 0;
8528 #ifdef FEAT_CMDWIN
8529 if (cmdwin_type != 0)
8530 cmdwin_result = Ctrl_C;
8531 #endif
8532 #ifdef FEAT_VISUAL
8533 if (VIsual_active)
8534 {
8535 end_visual_mode(); /* stop Visual */
8536 redraw_curbuf_later(INVERTED);
8537 }
8538 #endif
8539 /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8540 if (cap->nchar == Ctrl_G && p_im)
8541 restart_edit = 'a';
8542 }
8543 else
8544 clearopbeep(cap->oap);
8545 }
8546
8547 /*
8548 * ESC in Normal mode: beep, but don't flush buffers.
8549 * Don't even beep if we are canceling a command.
8550 */
8551 static void
8552 nv_esc(cap)
8553 cmdarg_T *cap;
8554 {
8555 int no_reason;
8556
8557 no_reason = (cap->oap->op_type == OP_NOP
8558 && cap->opcount == 0
8559 && cap->count0 == 0
8560 && cap->oap->regname == 0
8561 && !p_im);
8562
8563 if (cap->arg) /* TRUE for CTRL-C */
8564 {
8565 if (restart_edit == 0
8566 #ifdef FEAT_CMDWIN
8567 && cmdwin_type == 0
8568 #endif
8569 #ifdef FEAT_VISUAL
8570 && !VIsual_active
8571 #endif
8572 && no_reason)
8573 MSG(_("Type :quit<Enter> to exit Vim"));
8574
8575 /* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8576 * set again below when halfway a mapping. */
8577 if (!p_im)
8578 restart_edit = 0;
8579 #ifdef FEAT_CMDWIN
8580 if (cmdwin_type != 0)
8581 {
8582 cmdwin_result = K_IGNORE;
8583 got_int = FALSE; /* don't stop executing autocommands et al. */
8584 return;
8585 }
8586 #endif
8587 }
8588
8589 #ifdef FEAT_VISUAL
8590 if (VIsual_active)
8591 {
8592 end_visual_mode(); /* stop Visual */
8593 check_cursor_col(); /* make sure cursor is not beyond EOL */
8594 curwin->w_set_curswant = TRUE;
8595 redraw_curbuf_later(INVERTED);
8596 }
8597 else
8598 #endif
8599 if (no_reason)
8600 vim_beep();
8601 clearop(cap->oap);
8602
8603 /* A CTRL-C is often used at the start of a menu. When 'insertmode' is
8604 * set return to Insert mode afterwards. */
8605 if (restart_edit == 0 && goto_im()
8606 #ifdef FEAT_EX_EXTRA
8607 && ex_normal_busy == 0
8608 #endif
8609 )
8610 restart_edit = 'a';
8611 }
8612
8613 /*
8614 * Handle "A", "a", "I", "i" and <Insert> commands.
8615 */
8616 static void
8617 nv_edit(cap)
8618 cmdarg_T *cap;
8619 {
8620 /* <Insert> is equal to "i" */
8621 if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8622 cap->cmdchar = 'i';
8623
8624 #ifdef FEAT_VISUAL
8625 /* in Visual mode "A" and "I" are an operator */
8626 if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8627 v_visop(cap);
8628
8629 /* in Visual mode and after an operator "a" and "i" are for text objects */
8630 else
8631 #endif
8632 if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8633 && (cap->oap->op_type != OP_NOP
8634 #ifdef FEAT_VISUAL
8635 || VIsual_active
8636 #endif
8637 ))
8638 {
8639 #ifdef FEAT_TEXTOBJ
8640 nv_object(cap);
8641 #else
8642 clearopbeep(cap->oap);
8643 #endif
8644 }
8645 else if (!curbuf->b_p_ma && !p_im)
8646 {
8647 /* Only give this error when 'insertmode' is off. */
8648 EMSG(_(e_modifiable));
8649 clearop(cap->oap);
8650 }
8651 else if (!checkclearopq(cap->oap))
8652 {
8653 switch (cap->cmdchar)
8654 {
8655 case 'A': /* "A"ppend after the line */
8656 curwin->w_set_curswant = TRUE;
8657 #ifdef FEAT_VIRTUALEDIT
8658 if (ve_flags == VE_ALL)
8659 {
8660 int save_State = State;
8661
8662 /* Pretent Insert mode here to allow the cursor on the
8663 * character past the end of the line */
8664 State = INSERT;
8665 coladvance((colnr_T)MAXCOL);
8666 State = save_State;
8667 }
8668 else
8669 #endif
8670 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8671 break;
8672
8673 case 'I': /* "I"nsert before the first non-blank */
8674 if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
8675 beginline(BL_WHITE);
8676 else
8677 beginline(BL_WHITE|BL_FIX);
8678 break;
8679
8680 case 'a': /* "a"ppend is like "i"nsert on the next character. */
8681 #ifdef FEAT_VIRTUALEDIT
8682 /* increment coladd when in virtual space, increment the
8683 * column otherwise, also to append after an unprintable char */
8684 if (virtual_active()
8685 && (curwin->w_cursor.coladd > 0
8686 || *ml_get_cursor() == NUL
8687 || *ml_get_cursor() == TAB))
8688 curwin->w_cursor.coladd++;
8689 else
8690 #endif
8691 if (*ml_get_cursor() != NUL)
8692 inc_cursor();
8693 break;
8694 }
8695
8696 #ifdef FEAT_VIRTUALEDIT
8697 if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8698 {
8699 int save_State = State;
8700
8701 /* Pretent Insert mode here to allow the cursor on the
8702 * character past the end of the line */
8703 State = INSERT;
8704 coladvance(getviscol());
8705 State = save_State;
8706 }
8707 #endif
8708
8709 invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8710 }
8711 }
8712
8713 /*
8714 * Invoke edit() and take care of "restart_edit" and the return value.
8715 */
8716 static void
8717 invoke_edit(cap, repl, cmd, startln)
8718 cmdarg_T *cap;
8719 int repl; /* "r" or "gr" command */
8720 int cmd;
8721 int startln;
8722 {
8723 int restart_edit_save = 0;
8724
8725 /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8726 * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
8727 * it. */
8728 if (repl || !stuff_empty())
8729 restart_edit_save = restart_edit;
8730 else
8731 restart_edit_save = 0;
8732
8733 /* Always reset "restart_edit", this is not a restarted edit. */
8734 restart_edit = 0;
8735
8736 if (edit(cmd, startln, cap->count1))
8737 cap->retval |= CA_COMMAND_BUSY;
8738
8739 if (restart_edit == 0)
8740 restart_edit = restart_edit_save;
8741 }
8742
8743 #ifdef FEAT_TEXTOBJ
8744 /*
8745 * "a" or "i" while an operator is pending or in Visual mode: object motion.
8746 */
8747 static void
8748 nv_object(cap)
8749 cmdarg_T *cap;
8750 {
8751 int flag;
8752 int include;
8753 char_u *mps_save;
8754
8755 if (cap->cmdchar == 'i')
8756 include = FALSE; /* "ix" = inner object: exclude white space */
8757 else
8758 include = TRUE; /* "ax" = an object: include white space */
8759
8760 /* Make sure (), [], {} and <> are in 'matchpairs' */
8761 mps_save = curbuf->b_p_mps;
8762 curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8763
8764 switch (cap->nchar)
8765 {
8766 case 'w': /* "aw" = a word */
8767 flag = current_word(cap->oap, cap->count1, include, FALSE);
8768 break;
8769 case 'W': /* "aW" = a WORD */
8770 flag = current_word(cap->oap, cap->count1, include, TRUE);
8771 break;
8772 case 'b': /* "ab" = a braces block */
8773 case '(':
8774 case ')':
8775 flag = current_block(cap->oap, cap->count1, include, '(', ')');
8776 break;
8777 case 'B': /* "aB" = a Brackets block */
8778 case '{':
8779 case '}':
8780 flag = current_block(cap->oap, cap->count1, include, '{', '}');
8781 break;
8782 case '[': /* "a[" = a [] block */
8783 case ']':
8784 flag = current_block(cap->oap, cap->count1, include, '[', ']');
8785 break;
8786 case '<': /* "a<" = a <> block */
8787 case '>':
8788 flag = current_block(cap->oap, cap->count1, include, '<', '>');
8789 break;
8790 case 't': /* "at" = a tag block (xml and html) */
8791 flag = current_tagblock(cap->oap, cap->count1, include);
8792 break;
8793 case 'p': /* "ap" = a paragraph */
8794 flag = current_par(cap->oap, cap->count1, include, 'p');
8795 break;
8796 case 's': /* "as" = a sentence */
8797 flag = current_sent(cap->oap, cap->count1, include);
8798 break;
8799 case '"': /* "a"" = a double quoted string */
8800 case '\'': /* "a'" = a single quoted string */
8801 case '`': /* "a`" = a backtick quoted string */
8802 flag = current_quote(cap->oap, cap->count1, include,
8803 cap->nchar);
8804 break;
8805 #if 0 /* TODO */
8806 case 'S': /* "aS" = a section */
8807 case 'f': /* "af" = a filename */
8808 case 'u': /* "au" = a URL */
8809 #endif
8810 default:
8811 flag = FAIL;
8812 break;
8813 }
8814
8815 curbuf->b_p_mps = mps_save;
8816 if (flag == FAIL)
8817 clearopbeep(cap->oap);
8818 adjust_cursor_col();
8819 curwin->w_set_curswant = TRUE;
8820 }
8821 #endif
8822
8823 /*
8824 * "q" command: Start/stop recording.
8825 * "q:", "q/", "q?": edit command-line in command-line window.
8826 */
8827 static void
8828 nv_record(cap)
8829 cmdarg_T *cap;
8830 {
8831 if (cap->oap->op_type == OP_FORMAT)
8832 {
8833 /* "gqq" is the same as "gqgq": format line */
8834 cap->cmdchar = 'g';
8835 cap->nchar = 'q';
8836 nv_operator(cap);
8837 }
8838 else if (!checkclearop(cap->oap))
8839 {
8840 #ifdef FEAT_CMDWIN
8841 if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
8842 {
8843 stuffcharReadbuff(cap->nchar);
8844 stuffcharReadbuff(K_CMDWIN);
8845 }
8846 else
8847 #endif
8848 /* (stop) recording into a named register, unless executing a
8849 * register */
8850 if (!Exec_reg && do_record(cap->nchar) == FAIL)
8851 clearopbeep(cap->oap);
8852 }
8853 }
8854
8855 /*
8856 * Handle the "@r" command.
8857 */
8858 static void
8859 nv_at(cap)
8860 cmdarg_T *cap;
8861 {
8862 if (checkclearop(cap->oap))
8863 return;
8864 #ifdef FEAT_EVAL
8865 if (cap->nchar == '=')
8866 {
8867 if (get_expr_register() == NUL)
8868 return;
8869 }
8870 #endif
8871 while (cap->count1-- && !got_int)
8872 {
8873 if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
8874 {
8875 clearopbeep(cap->oap);
8876 break;
8877 }
8878 line_breakcheck();
8879 }
8880 }
8881
8882 /*
8883 * Handle the CTRL-U and CTRL-D commands.
8884 */
8885 static void
8886 nv_halfpage(cap)
8887 cmdarg_T *cap;
8888 {
8889 if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
8890 || (cap->cmdchar == Ctrl_D
8891 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
8892 clearopbeep(cap->oap);
8893 else if (!checkclearop(cap->oap))
8894 halfpage(cap->cmdchar == Ctrl_D, cap->count0);
8895 }
8896
8897 /*
8898 * Handle "J" or "gJ" command.
8899 */
8900 static void
8901 nv_join(cap)
8902 cmdarg_T *cap;
8903 {
8904 #ifdef FEAT_VISUAL
8905 if (VIsual_active) /* join the visual lines */
8906 nv_operator(cap);
8907 else
8908 #endif
8909 if (!checkclearop(cap->oap))
8910 {
8911 if (cap->count0 <= 1)
8912 cap->count0 = 2; /* default for join is two lines! */
8913 if (curwin->w_cursor.lnum + cap->count0 - 1 >
8914 curbuf->b_ml.ml_line_count)
8915 clearopbeep(cap->oap); /* beyond last line */
8916 else
8917 {
8918 prep_redo(cap->oap->regname, cap->count0,
8919 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
8920 do_do_join(cap->count0, cap->nchar == NUL);
8921 }
8922 }
8923 }
8924
8925 /*
8926 * "P", "gP", "p" and "gp" commands.
8927 */
8928 static void
8929 nv_put(cap)
8930 cmdarg_T *cap;
8931 {
8932 #ifdef FEAT_VISUAL
8933 int regname = 0;
8934 void *reg1 = NULL, *reg2 = NULL;
8935 int empty = FALSE;
8936 int was_visual = FALSE;
8937 #endif
8938 int dir;
8939 int flags = 0;
8940
8941 if (cap->oap->op_type != OP_NOP)
8942 {
8943 #ifdef FEAT_DIFF
8944 /* "dp" is ":diffput" */
8945 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
8946 {
8947 clearop(cap->oap);
8948 nv_diffgetput(TRUE);
8949 }
8950 else
8951 #endif
8952 clearopbeep(cap->oap);
8953 }
8954 else
8955 {
8956 dir = (cap->cmdchar == 'P'
8957 || (cap->cmdchar == 'g' && cap->nchar == 'P'))
8958 ? BACKWARD : FORWARD;
8959 prep_redo_cmd(cap);
8960 if (cap->cmdchar == 'g')
8961 flags |= PUT_CURSEND;
8962
8963 #ifdef FEAT_VISUAL
8964 if (VIsual_active)
8965 {
8966 /* Putting in Visual mode: The put text replaces the selected
8967 * text. First delete the selected text, then put the new text.
8968 * Need to save and restore the registers that the delete
8969 * overwrites if the old contents is being put.
8970 */
8971 was_visual = TRUE;
8972 regname = cap->oap->regname;
8973 # ifdef FEAT_CLIPBOARD
8974 adjust_clip_reg(&regname);
8975 # endif
8976 if (regname == 0 || VIM_ISDIGIT(regname)
8977 # ifdef FEAT_CLIPBOARD
8978 || (clip_unnamed && (regname == '*' || regname == '+'))
8979 # endif
8980
8981 )
8982 {
8983 /* the delete is going to overwrite the register we want to
8984 * put, save it first. */
8985 reg1 = get_register(regname, TRUE);
8986 }
8987
8988 /* Now delete the selected text. */
8989 cap->cmdchar = 'd';
8990 cap->nchar = NUL;
8991 cap->oap->regname = NUL;
8992 nv_operator(cap);
8993 do_pending_operator(cap, 0, FALSE);
8994 empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
8995
8996 /* delete PUT_LINE_BACKWARD; */
8997 cap->oap->regname = regname;
8998
8999 if (reg1 != NULL)
9000 {
9001 /* Delete probably changed the register we want to put, save
9002 * it first. Then put back what was there before the delete. */
9003 reg2 = get_register(regname, FALSE);
9004 put_register(regname, reg1);
9005 }
9006
9007 /* When deleted a linewise Visual area, put the register as
9008 * lines to avoid it joined with the next line. When deletion was
9009 * characterwise, split a line when putting lines. */
9010 if (VIsual_mode == 'V')
9011 flags |= PUT_LINE;
9012 else if (VIsual_mode == 'v')
9013 flags |= PUT_LINE_SPLIT;
9014 if (VIsual_mode == Ctrl_V && dir == FORWARD)
9015 flags |= PUT_LINE_FORWARD;
9016 dir = BACKWARD;
9017 if ((VIsual_mode != 'V'
9018 && curwin->w_cursor.col < curbuf->b_op_start.col)
9019 || (VIsual_mode == 'V'
9020 && curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9021 /* cursor is at the end of the line or end of file, put
9022 * forward. */
9023 dir = FORWARD;
9024 }
9025 #endif
9026 do_put(cap->oap->regname, dir, cap->count1, flags);
9027
9028 #ifdef FEAT_VISUAL
9029 /* If a register was saved, put it back now. */
9030 if (reg2 != NULL)
9031 put_register(regname, reg2);
9032
9033 /* What to reselect with "gv"? Selecting the just put text seems to
9034 * be the most useful, since the original text was removed. */
9035 if (was_visual)
9036 {
9037 curbuf->b_visual.vi_start = curbuf->b_op_start;
9038 curbuf->b_visual.vi_end = curbuf->b_op_end;
9039 }
9040
9041 /* When all lines were selected and deleted do_put() leaves an empty
9042 * line that needs to be deleted now. */
9043 if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9044 {
9045 ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9046
9047 /* If the cursor was in that line, move it to the end of the last
9048 * line. */
9049 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9050 {
9051 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9052 coladvance((colnr_T)MAXCOL);
9053 }
9054 }
9055 #endif
9056 auto_format(FALSE, TRUE);
9057 }
9058 }
9059
9060 /*
9061 * "o" and "O" commands.
9062 */
9063 static void
9064 nv_open(cap)
9065 cmdarg_T *cap;
9066 {
9067 #ifdef FEAT_DIFF
9068 /* "do" is ":diffget" */
9069 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9070 {
9071 clearop(cap->oap);
9072 nv_diffgetput(FALSE);
9073 }
9074 else
9075 #endif
9076 #ifdef FEAT_VISUAL
9077 if (VIsual_active) /* switch start and end of visual */
9078 v_swap_corners(cap->cmdchar);
9079 else
9080 #endif
9081 n_opencmd(cap);
9082 }
9083
9084 #ifdef FEAT_SNIFF
9085 /*ARGSUSED*/
9086 static void
9087 nv_sniff(cap)
9088 cmdarg_T *cap;
9089 {
9090 ProcessSniffRequests();
9091 }
9092 #endif
9093
9094 #ifdef FEAT_NETBEANS_INTG
9095 static void
9096 nv_nbcmd(cap)
9097 cmdarg_T *cap;
9098 {
9099 netbeans_keycommand(cap->nchar);
9100 }
9101 #endif
9102
9103 #ifdef FEAT_DND
9104 /*ARGSUSED*/
9105 static void
9106 nv_drop(cap)
9107 cmdarg_T *cap;
9108 {
9109 do_put('~', BACKWARD, 1L, PUT_CURSEND);
9110 }
9111 #endif
9112
9113 #ifdef FEAT_AUTOCMD
9114 /*
9115 * Trigger CursorHold event.
9116 * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9117 * input buffer. "did_cursorhold" is set to avoid retriggering.
9118 */
9119 /*ARGSUSED*/
9120 static void
9121 nv_cursorhold(cap)
9122 cmdarg_T *cap;
9123 {
9124 apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9125 did_cursorhold = TRUE;
9126 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
9127 }
9128 #endif
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