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Give warning if user symlinked to Vim binary
[MacVim.git] / src / normal.c
blob6bcb2e3f1534c7d2a0d7f1e7bf774affe655abd3
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9 /*
10 * normal.c: Contains the main routine for processing characters in command
11 * mode. Communicates closely with the code in ops.c to handle
12 * the operators.
13 */
14
15 #include "vim.h"
16
17 #ifdef FEAT_VISUAL
18 /*
19 * The Visual area is remembered for reselection.
20 */
21 static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
22 static linenr_T resel_VIsual_line_count; /* number of lines */
23 static colnr_T resel_VIsual_col; /* nr of cols or end col */
24
25 static int restart_VIsual_select = 0;
26 #endif
27
28 static int
29 # ifdef __BORLANDC__
30 _RTLENTRYF
31 # endif
32 nv_compare __ARGS((const void *s1, const void *s2));
33 static int find_command __ARGS((int cmdchar));
34 static void op_colon __ARGS((oparg_T *oap));
35 static void op_function __ARGS((oparg_T *oap));
36 #if defined(FEAT_MOUSE) && defined(FEAT_VISUAL)
37 static void find_start_of_word __ARGS((pos_T *));
38 static void find_end_of_word __ARGS((pos_T *));
39 static int get_mouse_class __ARGS((char_u *p));
40 #endif
41 static void prep_redo_cmd __ARGS((cmdarg_T *cap));
42 static void prep_redo __ARGS((int regname, long, int, int, int, int, int));
43 static int checkclearop __ARGS((oparg_T *oap));
44 static int checkclearopq __ARGS((oparg_T *oap));
45 static void clearop __ARGS((oparg_T *oap));
46 static void clearopbeep __ARGS((oparg_T *oap));
47 #ifdef FEAT_VISUAL
48 static void unshift_special __ARGS((cmdarg_T *cap));
49 #endif
50 #ifdef FEAT_CMDL_INFO
51 static void del_from_showcmd __ARGS((int));
52 #endif
53
54 /*
55 * nv_*(): functions called to handle Normal and Visual mode commands.
56 * n_*(): functions called to handle Normal mode commands.
57 * v_*(): functions called to handle Visual mode commands.
58 */
59 static void nv_ignore __ARGS((cmdarg_T *cap));
60 static void nv_nop __ARGS((cmdarg_T *cap));
61 static void nv_error __ARGS((cmdarg_T *cap));
62 static void nv_help __ARGS((cmdarg_T *cap));
63 static void nv_addsub __ARGS((cmdarg_T *cap));
64 static void nv_page __ARGS((cmdarg_T *cap));
65 static void nv_gd __ARGS((oparg_T *oap, int nchar, int thisblock));
66 static int nv_screengo __ARGS((oparg_T *oap, int dir, long dist));
67 #ifdef FEAT_MOUSE
68 static void nv_mousescroll __ARGS((cmdarg_T *cap));
69 static void nv_mouse __ARGS((cmdarg_T *cap));
70 #endif
71 static void nv_scroll_line __ARGS((cmdarg_T *cap));
72 static void nv_zet __ARGS((cmdarg_T *cap));
73 #ifdef FEAT_GUI
74 static void nv_ver_scrollbar __ARGS((cmdarg_T *cap));
75 static void nv_hor_scrollbar __ARGS((cmdarg_T *cap));
76 #endif
77 #ifdef FEAT_GUI_TABLINE
78 static void nv_tabline __ARGS((cmdarg_T *cap));
79 static void nv_tabmenu __ARGS((cmdarg_T *cap));
80 #endif
81 static void nv_exmode __ARGS((cmdarg_T *cap));
82 static void nv_colon __ARGS((cmdarg_T *cap));
83 static void nv_ctrlg __ARGS((cmdarg_T *cap));
84 static void nv_ctrlh __ARGS((cmdarg_T *cap));
85 static void nv_clear __ARGS((cmdarg_T *cap));
86 static void nv_ctrlo __ARGS((cmdarg_T *cap));
87 static void nv_hat __ARGS((cmdarg_T *cap));
88 static void nv_Zet __ARGS((cmdarg_T *cap));
89 static void nv_ident __ARGS((cmdarg_T *cap));
90 static void nv_tagpop __ARGS((cmdarg_T *cap));
91 static void nv_scroll __ARGS((cmdarg_T *cap));
92 static void nv_right __ARGS((cmdarg_T *cap));
93 static void nv_left __ARGS((cmdarg_T *cap));
94 static void nv_up __ARGS((cmdarg_T *cap));
95 static void nv_down __ARGS((cmdarg_T *cap));
96 #ifdef FEAT_SEARCHPATH
97 static void nv_gotofile __ARGS((cmdarg_T *cap));
98 #endif
99 static void nv_end __ARGS((cmdarg_T *cap));
100 static void nv_dollar __ARGS((cmdarg_T *cap));
101 static void nv_search __ARGS((cmdarg_T *cap));
102 static void nv_next __ARGS((cmdarg_T *cap));
103 static void normal_search __ARGS((cmdarg_T *cap, int dir, char_u *pat, int opt));
104 static void nv_csearch __ARGS((cmdarg_T *cap));
105 static void nv_brackets __ARGS((cmdarg_T *cap));
106 static void nv_percent __ARGS((cmdarg_T *cap));
107 static void nv_brace __ARGS((cmdarg_T *cap));
108 static void nv_mark __ARGS((cmdarg_T *cap));
109 static void nv_findpar __ARGS((cmdarg_T *cap));
110 static void nv_undo __ARGS((cmdarg_T *cap));
111 static void nv_kundo __ARGS((cmdarg_T *cap));
112 static void nv_Replace __ARGS((cmdarg_T *cap));
113 #ifdef FEAT_VREPLACE
114 static void nv_vreplace __ARGS((cmdarg_T *cap));
115 #endif
116 #ifdef FEAT_VISUAL
117 static void v_swap_corners __ARGS((int cmdchar));
118 #endif
119 static void nv_replace __ARGS((cmdarg_T *cap));
120 static void n_swapchar __ARGS((cmdarg_T *cap));
121 static void nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
122 #ifdef FEAT_VISUAL
123 static void v_visop __ARGS((cmdarg_T *cap));
124 #endif
125 static void nv_subst __ARGS((cmdarg_T *cap));
126 static void nv_abbrev __ARGS((cmdarg_T *cap));
127 static void nv_optrans __ARGS((cmdarg_T *cap));
128 static void nv_gomark __ARGS((cmdarg_T *cap));
129 static void nv_pcmark __ARGS((cmdarg_T *cap));
130 static void nv_regname __ARGS((cmdarg_T *cap));
131 #ifdef FEAT_VISUAL
132 static void nv_visual __ARGS((cmdarg_T *cap));
133 static void n_start_visual_mode __ARGS((int c));
134 #endif
135 static void nv_window __ARGS((cmdarg_T *cap));
136 static void nv_suspend __ARGS((cmdarg_T *cap));
137 static void nv_g_cmd __ARGS((cmdarg_T *cap));
138 static void n_opencmd __ARGS((cmdarg_T *cap));
139 static void nv_dot __ARGS((cmdarg_T *cap));
140 static void nv_redo __ARGS((cmdarg_T *cap));
141 static void nv_Undo __ARGS((cmdarg_T *cap));
142 static void nv_tilde __ARGS((cmdarg_T *cap));
143 static void nv_operator __ARGS((cmdarg_T *cap));
144 #ifdef FEAT_EVAL
145 static void set_op_var __ARGS((int optype));
146 #endif
147 static void nv_lineop __ARGS((cmdarg_T *cap));
148 static void nv_home __ARGS((cmdarg_T *cap));
149 static void nv_pipe __ARGS((cmdarg_T *cap));
150 static void nv_bck_word __ARGS((cmdarg_T *cap));
151 static void nv_wordcmd __ARGS((cmdarg_T *cap));
152 static void nv_beginline __ARGS((cmdarg_T *cap));
153 static void adjust_cursor __ARGS((oparg_T *oap));
154 #ifdef FEAT_VISUAL
155 static void adjust_for_sel __ARGS((cmdarg_T *cap));
156 static int unadjust_for_sel __ARGS((void));
157 static void nv_select __ARGS((cmdarg_T *cap));
158 #endif
159 static void nv_goto __ARGS((cmdarg_T *cap));
160 static void nv_normal __ARGS((cmdarg_T *cap));
161 static void nv_esc __ARGS((cmdarg_T *oap));
162 static void nv_edit __ARGS((cmdarg_T *cap));
163 static void invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
164 #ifdef FEAT_TEXTOBJ
165 static void nv_object __ARGS((cmdarg_T *cap));
166 #endif
167 static void nv_record __ARGS((cmdarg_T *cap));
168 static void nv_at __ARGS((cmdarg_T *cap));
169 static void nv_halfpage __ARGS((cmdarg_T *cap));
170 static void nv_join __ARGS((cmdarg_T *cap));
171 static void nv_put __ARGS((cmdarg_T *cap));
172 static void nv_open __ARGS((cmdarg_T *cap));
173 #ifdef FEAT_SNIFF
174 static void nv_sniff __ARGS((cmdarg_T *cap));
175 #endif
176 #ifdef FEAT_NETBEANS_INTG
177 static void nv_nbcmd __ARGS((cmdarg_T *cap));
178 #endif
179 #ifdef FEAT_DND
180 static void nv_drop __ARGS((cmdarg_T *cap));
181 #endif
182 #ifdef FEAT_AUTOCMD
183 static void nv_cursorhold __ARGS((cmdarg_T *cap));
184 #endif
185
186 /*
187 * Function to be called for a Normal or Visual mode command.
188 * The argument is a cmdarg_T.
189 */
190 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
191
192 /* Values for cmd_flags. */
193 #define NV_NCH 0x01 /* may need to get a second char */
194 #define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */
195 #define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */
196 #define NV_LANG 0x08 /* second char needs language adjustment */
197
198 #define NV_SS 0x10 /* may start selection */
199 #define NV_SSS 0x20 /* may start selection with shift modifier */
200 #define NV_STS 0x40 /* may stop selection without shift modif. */
201 #define NV_RL 0x80 /* 'rightleft' modifies command */
202 #define NV_KEEPREG 0x100 /* don't clear regname */
203 #define NV_NCW 0x200 /* not allowed in command-line window */
204
205 /*
206 * Generally speaking, every Normal mode command should either clear any
207 * pending operator (with *clearop*()), or set the motion type variable
208 * oap->motion_type.
209 *
210 * When a cursor motion command is made, it is marked as being a character or
211 * line oriented motion. Then, if an operator is in effect, the operation
212 * becomes character or line oriented accordingly.
213 */
214
215 /*
216 * This table contains one entry for every Normal or Visual mode command.
217 * The order doesn't matter, init_normal_cmds() will create a sorted index.
218 * It is faster when all keys from zero to '~' are present.
219 */
220 static const struct nv_cmd
221 {
222 int cmd_char; /* (first) command character */
223 nv_func_T cmd_func; /* function for this command */
224 short_u cmd_flags; /* NV_ flags */
225 short cmd_arg; /* value for ca.arg */
226 } nv_cmds[] =
227 {
228 {NUL, nv_error, 0, 0},
229 {Ctrl_A, nv_addsub, 0, 0},
230 {Ctrl_B, nv_page, NV_STS, BACKWARD},
231 {Ctrl_C, nv_esc, 0, TRUE},
232 {Ctrl_D, nv_halfpage, 0, 0},
233 {Ctrl_E, nv_scroll_line, 0, TRUE},
234 {Ctrl_F, nv_page, NV_STS, FORWARD},
235 {Ctrl_G, nv_ctrlg, 0, 0},
236 {Ctrl_H, nv_ctrlh, 0, 0},
237 {Ctrl_I, nv_pcmark, 0, 0},
238 {NL, nv_down, 0, FALSE},
239 {Ctrl_K, nv_error, 0, 0},
240 {Ctrl_L, nv_clear, 0, 0},
241 {Ctrl_M, nv_down, 0, TRUE},
242 {Ctrl_N, nv_down, NV_STS, FALSE},
243 {Ctrl_O, nv_ctrlo, 0, 0},
244 {Ctrl_P, nv_up, NV_STS, FALSE},
245 #ifdef FEAT_VISUAL
246 {Ctrl_Q, nv_visual, 0, FALSE},
247 #else
248 {Ctrl_Q, nv_ignore, 0, 0},
249 #endif
250 {Ctrl_R, nv_redo, 0, 0},
251 {Ctrl_S, nv_ignore, 0, 0},
252 {Ctrl_T, nv_tagpop, NV_NCW, 0},
253 {Ctrl_U, nv_halfpage, 0, 0},
254 #ifdef FEAT_VISUAL
255 {Ctrl_V, nv_visual, 0, FALSE},
256 {'V', nv_visual, 0, FALSE},
257 {'v', nv_visual, 0, FALSE},
258 #else
259 {Ctrl_V, nv_error, 0, 0},
260 {'V', nv_error, 0, 0},
261 {'v', nv_error, 0, 0},
262 #endif
263 {Ctrl_W, nv_window, 0, 0},
264 {Ctrl_X, nv_addsub, 0, 0},
265 {Ctrl_Y, nv_scroll_line, 0, FALSE},
266 {Ctrl_Z, nv_suspend, 0, 0},
267 {ESC, nv_esc, 0, FALSE},
268 {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0},
269 {Ctrl_RSB, nv_ident, NV_NCW, 0},
270 {Ctrl_HAT, nv_hat, NV_NCW, 0},
271 {Ctrl__, nv_error, 0, 0},
272 {' ', nv_right, 0, 0},
273 {'!', nv_operator, 0, 0},
274 {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0},
275 {'#', nv_ident, 0, 0},
276 {'$', nv_dollar, 0, 0},
277 {'%', nv_percent, 0, 0},
278 {'&', nv_optrans, 0, 0},
279 {'\'', nv_gomark, NV_NCH_ALW, TRUE},
280 {'(', nv_brace, 0, BACKWARD},
281 {')', nv_brace, 0, FORWARD},
282 {'*', nv_ident, 0, 0},
283 {'+', nv_down, 0, TRUE},
284 {',', nv_csearch, 0, TRUE},
285 {'-', nv_up, 0, TRUE},
286 {'.', nv_dot, NV_KEEPREG, 0},
287 {'/', nv_search, 0, FALSE},
288 {'0', nv_beginline, 0, 0},
289 {'1', nv_ignore, 0, 0},
290 {'2', nv_ignore, 0, 0},
291 {'3', nv_ignore, 0, 0},
292 {'4', nv_ignore, 0, 0},
293 {'5', nv_ignore, 0, 0},
294 {'6', nv_ignore, 0, 0},
295 {'7', nv_ignore, 0, 0},
296 {'8', nv_ignore, 0, 0},
297 {'9', nv_ignore, 0, 0},
298 {':', nv_colon, 0, 0},
299 {';', nv_csearch, 0, FALSE},
300 {'<', nv_operator, NV_RL, 0},
301 {'=', nv_operator, 0, 0},
302 {'>', nv_operator, NV_RL, 0},
303 {'?', nv_search, 0, FALSE},
304 {'@', nv_at, NV_NCH_NOP, FALSE},
305 {'A', nv_edit, 0, 0},
306 {'B', nv_bck_word, 0, 1},
307 {'C', nv_abbrev, NV_KEEPREG, 0},
308 {'D', nv_abbrev, NV_KEEPREG, 0},
309 {'E', nv_wordcmd, 0, TRUE},
310 {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
311 {'G', nv_goto, 0, TRUE},
312 {'H', nv_scroll, 0, 0},
313 {'I', nv_edit, 0, 0},
314 {'J', nv_join, 0, 0},
315 {'K', nv_ident, 0, 0},
316 {'L', nv_scroll, 0, 0},
317 {'M', nv_scroll, 0, 0},
318 {'N', nv_next, 0, SEARCH_REV},
319 {'O', nv_open, 0, 0},
320 {'P', nv_put, 0, 0},
321 {'Q', nv_exmode, NV_NCW, 0},
322 {'R', nv_Replace, 0, FALSE},
323 {'S', nv_subst, NV_KEEPREG, 0},
324 {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
325 {'U', nv_Undo, 0, 0},
326 {'W', nv_wordcmd, 0, TRUE},
327 {'X', nv_abbrev, NV_KEEPREG, 0},
328 {'Y', nv_abbrev, NV_KEEPREG, 0},
329 {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0},
330 {'[', nv_brackets, NV_NCH_ALW, BACKWARD},
331 {'\\', nv_error, 0, 0},
332 {']', nv_brackets, NV_NCH_ALW, FORWARD},
333 {'^', nv_beginline, 0, BL_WHITE | BL_FIX},
334 {'_', nv_lineop, 0, 0},
335 {'`', nv_gomark, NV_NCH_ALW, FALSE},
336 {'a', nv_edit, NV_NCH, 0},
337 {'b', nv_bck_word, 0, 0},
338 {'c', nv_operator, 0, 0},
339 {'d', nv_operator, 0, 0},
340 {'e', nv_wordcmd, 0, FALSE},
341 {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
342 {'g', nv_g_cmd, NV_NCH_ALW, FALSE},
343 {'h', nv_left, NV_RL, 0},
344 {'i', nv_edit, NV_NCH, 0},
345 {'j', nv_down, 0, FALSE},
346 {'k', nv_up, 0, FALSE},
347 {'l', nv_right, NV_RL, 0},
348 {'m', nv_mark, NV_NCH_NOP, 0},
349 {'n', nv_next, 0, 0},
350 {'o', nv_open, 0, 0},
351 {'p', nv_put, 0, 0},
352 {'q', nv_record, NV_NCH, 0},
353 {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0},
354 {'s', nv_subst, NV_KEEPREG, 0},
355 {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
356 {'u', nv_undo, 0, 0},
357 {'w', nv_wordcmd, 0, FALSE},
358 {'x', nv_abbrev, NV_KEEPREG, 0},
359 {'y', nv_operator, 0, 0},
360 {'z', nv_zet, NV_NCH_ALW, 0},
361 {'{', nv_findpar, 0, BACKWARD},
362 {'|', nv_pipe, 0, 0},
363 {'}', nv_findpar, 0, FORWARD},
364 {'~', nv_tilde, 0, 0},
365
366 /* pound sign */
367 {POUND, nv_ident, 0, 0},
368 #ifdef FEAT_MOUSE
369 {K_MOUSEUP, nv_mousescroll, 0, TRUE},
370 {K_MOUSEDOWN, nv_mousescroll, 0, FALSE},
371 {K_LEFTMOUSE, nv_mouse, 0, 0},
372 {K_LEFTMOUSE_NM, nv_mouse, 0, 0},
373 {K_LEFTDRAG, nv_mouse, 0, 0},
374 {K_LEFTRELEASE, nv_mouse, 0, 0},
375 {K_LEFTRELEASE_NM, nv_mouse, 0, 0},
376 {K_MIDDLEMOUSE, nv_mouse, 0, 0},
377 {K_MIDDLEDRAG, nv_mouse, 0, 0},
378 {K_MIDDLERELEASE, nv_mouse, 0, 0},
379 {K_RIGHTMOUSE, nv_mouse, 0, 0},
380 {K_RIGHTDRAG, nv_mouse, 0, 0},
381 {K_RIGHTRELEASE, nv_mouse, 0, 0},
382 {K_X1MOUSE, nv_mouse, 0, 0},
383 {K_X1DRAG, nv_mouse, 0, 0},
384 {K_X1RELEASE, nv_mouse, 0, 0},
385 {K_X2MOUSE, nv_mouse, 0, 0},
386 {K_X2DRAG, nv_mouse, 0, 0},
387 {K_X2RELEASE, nv_mouse, 0, 0},
388 #endif
389 {K_IGNORE, nv_ignore, NV_KEEPREG, 0},
390 {K_NOP, nv_nop, 0, 0},
391 {K_INS, nv_edit, 0, 0},
392 {K_KINS, nv_edit, 0, 0},
393 {K_BS, nv_ctrlh, 0, 0},
394 {K_UP, nv_up, NV_SSS|NV_STS, FALSE},
395 {K_S_UP, nv_page, NV_SS, BACKWARD},
396 {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE},
397 {K_S_DOWN, nv_page, NV_SS, FORWARD},
398 {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0},
399 {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0},
400 {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1},
401 {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0},
402 {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE},
403 {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE},
404 {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
405 {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
406 {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
407 {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
408 {K_END, nv_end, NV_SSS|NV_STS, FALSE},
409 {K_KEND, nv_end, NV_SSS|NV_STS, FALSE},
410 {K_S_END, nv_end, NV_SS, FALSE},
411 {K_C_END, nv_end, NV_SSS|NV_STS, TRUE},
412 {K_HOME, nv_home, NV_SSS|NV_STS, 0},
413 {K_KHOME, nv_home, NV_SSS|NV_STS, 0},
414 {K_S_HOME, nv_home, NV_SS, 0},
415 {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE},
416 {K_DEL, nv_abbrev, 0, 0},
417 {K_KDEL, nv_abbrev, 0, 0},
418 {K_UNDO, nv_kundo, 0, 0},
419 {K_HELP, nv_help, NV_NCW, 0},
420 {K_F1, nv_help, NV_NCW, 0},
421 {K_XF1, nv_help, NV_NCW, 0},
422 #ifdef FEAT_VISUAL
423 {K_SELECT, nv_select, 0, 0},
424 #endif
425 #ifdef FEAT_GUI
426 {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0},
427 {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0},
428 #endif
429 #ifdef FEAT_GUI_TABLINE
430 {K_TABLINE, nv_tabline, 0, 0},
431 {K_TABMENU, nv_tabmenu, 0, 0},
432 #endif
433 #ifdef FEAT_FKMAP
434 {K_F8, farsi_fkey, 0, 0},
435 {K_F9, farsi_fkey, 0, 0},
436 #endif
437 #ifdef FEAT_SNIFF
438 {K_SNIFF, nv_sniff, 0, 0},
439 #endif
440 #ifdef FEAT_NETBEANS_INTG
441 {K_F21, nv_nbcmd, NV_NCH_ALW, 0},
442 #endif
443 #ifdef FEAT_DND
444 {K_DROP, nv_drop, NV_STS, 0},
445 #endif
446 #ifdef FEAT_AUTOCMD
447 {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0},
448 #endif
449 };
450
451 /* Number of commands in nv_cmds[]. */
452 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
453
454 /* Sorted index of commands in nv_cmds[]. */
455 static short nv_cmd_idx[NV_CMDS_SIZE];
456
457 /* The highest index for which
458 * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
459 static int nv_max_linear;
460
461 /*
462 * Compare functions for qsort() below, that checks the command character
463 * through the index in nv_cmd_idx[].
464 */
465 static int
466 #ifdef __BORLANDC__
467 _RTLENTRYF
468 #endif
469 nv_compare(s1, s2)
470 const void *s1;
471 const void *s2;
472 {
473 int c1, c2;
474
475 /* The commands are sorted on absolute value. */
476 c1 = nv_cmds[*(const short *)s1].cmd_char;
477 c2 = nv_cmds[*(const short *)s2].cmd_char;
478 if (c1 < 0)
479 c1 = -c1;
480 if (c2 < 0)
481 c2 = -c2;
482 return c1 - c2;
483 }
484
485 /*
486 * Initialize the nv_cmd_idx[] table.
487 */
488 void
489 init_normal_cmds()
490 {
491 int i;
492
493 /* Fill the index table with a one to one relation. */
494 for (i = 0; i < NV_CMDS_SIZE; ++i)
495 nv_cmd_idx[i] = i;
496
497 /* Sort the commands by the command character. */
498 qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
499
500 /* Find the first entry that can't be indexed by the command character. */
501 for (i = 0; i < NV_CMDS_SIZE; ++i)
502 if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
503 break;
504 nv_max_linear = i - 1;
505 }
506
507 /*
508 * Search for a command in the commands table.
509 * Returns -1 for invalid command.
510 */
511 static int
512 find_command(cmdchar)
513 int cmdchar;
514 {
515 int i;
516 int idx;
517 int top, bot;
518 int c;
519
520 #ifdef FEAT_MBYTE
521 /* A multi-byte character is never a command. */
522 if (cmdchar >= 0x100)
523 return -1;
524 #endif
525
526 /* We use the absolute value of the character. Special keys have a
527 * negative value, but are sorted on their absolute value. */
528 if (cmdchar < 0)
529 cmdchar = -cmdchar;
530
531 /* If the character is in the first part: The character is the index into
532 * nv_cmd_idx[]. */
533 if (cmdchar <= nv_max_linear)
534 return nv_cmd_idx[cmdchar];
535
536 /* Perform a binary search. */
537 bot = nv_max_linear + 1;
538 top = NV_CMDS_SIZE - 1;
539 idx = -1;
540 while (bot <= top)
541 {
542 i = (top + bot) / 2;
543 c = nv_cmds[nv_cmd_idx[i]].cmd_char;
544 if (c < 0)
545 c = -c;
546 if (cmdchar == c)
547 {
548 idx = nv_cmd_idx[i];
549 break;
550 }
551 if (cmdchar > c)
552 bot = i + 1;
553 else
554 top = i - 1;
555 }
556 return idx;
557 }
558
559 /*
560 * Execute a command in Normal mode.
561 */
562 /*ARGSUSED*/
563 void
564 normal_cmd(oap, toplevel)
565 oparg_T *oap;
566 int toplevel; /* TRUE when called from main() */
567 {
568 static long opcount = 0; /* ca.opcount saved here */
569 cmdarg_T ca; /* command arguments */
570 int c;
571 int ctrl_w = FALSE; /* got CTRL-W command */
572 int old_col = curwin->w_curswant;
573 #ifdef FEAT_CMDL_INFO
574 int need_flushbuf; /* need to call out_flush() */
575 #endif
576 #ifdef FEAT_VISUAL
577 pos_T old_pos; /* cursor position before command */
578 int mapped_len;
579 static int old_mapped_len = 0;
580 #endif
581 int idx;
582
583 vim_memset(&ca, 0, sizeof(ca)); /* also resets ca.retval */
584 ca.oap = oap;
585 ca.opcount = opcount;
586
587 #ifdef FEAT_SNIFF
588 want_sniff_request = sniff_connected;
589 #endif
590
591 /*
592 * If there is an operator pending, then the command we take this time
593 * will terminate it. Finish_op tells us to finish the operation before
594 * returning this time (unless the operation was cancelled).
595 */
596 #ifdef CURSOR_SHAPE
597 c = finish_op;
598 #endif
599 finish_op = (oap->op_type != OP_NOP);
600 #ifdef CURSOR_SHAPE
601 if (finish_op != c)
602 {
603 ui_cursor_shape(); /* may show different cursor shape */
604 # ifdef FEAT_MOUSESHAPE
605 update_mouseshape(-1);
606 # endif
607 }
608 #endif
609
610 if (!finish_op && !oap->regname)
611 ca.opcount = 0;
612
613 #ifdef FEAT_VISUAL
614 mapped_len = typebuf_maplen();
615 #endif
616
617 State = NORMAL_BUSY;
618 #ifdef USE_ON_FLY_SCROLL
619 dont_scroll = FALSE; /* allow scrolling here */
620 #endif
621
622 /*
623 * Get the command character from the user.
624 */
625 c = safe_vgetc();
626
627 #ifdef FEAT_LANGMAP
628 LANGMAP_ADJUST(c, TRUE);
629 #endif
630
631 #ifdef FEAT_VISUAL
632 /*
633 * If a mapping was started in Visual or Select mode, remember the length
634 * of the mapping. This is used below to not return to Insert mode for as
635 * long as the mapping is being executed.
636 */
637 if (restart_edit == 0)
638 old_mapped_len = 0;
639 else if (old_mapped_len
640 || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
641 old_mapped_len = typebuf_maplen();
642 #endif
643
644 if (c == NUL)
645 c = K_ZERO;
646
647 #ifdef FEAT_VISUAL
648 /*
649 * In Select mode, typed text replaces the selection.
650 */
651 if (VIsual_active
652 && VIsual_select
653 && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
654 {
655 /* Fake a "c"hange command. When "restart_edit" is set (e.g., because
656 * 'insertmode' is set) fake a "d"elete command, Insert mode will
657 * restart automatically.
658 * Insert the typed character in the typeahead buffer, so that it can
659 * be mapped in Insert mode. Required for ":lmap" to work. */
660 ins_char_typebuf(c);
661 if (restart_edit != 0)
662 c = 'd';
663 else
664 c = 'c';
665 msg_nowait = TRUE; /* don't delay going to insert mode */
666 }
667 #endif
668
669 #ifdef FEAT_CMDL_INFO
670 need_flushbuf = add_to_showcmd(c);
671 #endif
672
673 getcount:
674 #ifdef FEAT_VISUAL
675 if (!(VIsual_active && VIsual_select))
676 #endif
677 {
678 /*
679 * Handle a count before a command and compute ca.count0.
680 * Note that '0' is a command and not the start of a count, but it's
681 * part of a count after other digits.
682 */
683 while ( (c >= '1' && c <= '9')
684 || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
685 {
686 if (c == K_DEL || c == K_KDEL)
687 {
688 ca.count0 /= 10;
689 #ifdef FEAT_CMDL_INFO
690 del_from_showcmd(4); /* delete the digit and ~@% */
691 #endif
692 }
693 else
694 ca.count0 = ca.count0 * 10 + (c - '0');
695 if (ca.count0 < 0) /* got too large! */
696 ca.count0 = 999999999L;
697 #ifdef FEAT_EVAL
698 /* Set v:count here, when called from main() and not a stuffed
699 * command, so that v:count can be used in an expression mapping
700 * right after the count. */
701 if (toplevel && stuff_empty())
702 set_vcount(ca.count0, ca.count0 == 0 ? 1 : ca.count0);
703 #endif
704 if (ctrl_w)
705 {
706 ++no_mapping;
707 ++allow_keys; /* no mapping for nchar, but keys */
708 }
709 ++no_zero_mapping; /* don't map zero here */
710 c = plain_vgetc();
711 #ifdef FEAT_LANGMAP
712 LANGMAP_ADJUST(c, TRUE);
713 #endif
714 --no_zero_mapping;
715 if (ctrl_w)
716 {
717 --no_mapping;
718 --allow_keys;
719 }
720 #ifdef FEAT_CMDL_INFO
721 need_flushbuf |= add_to_showcmd(c);
722 #endif
723 }
724
725 /*
726 * If we got CTRL-W there may be a/another count
727 */
728 if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
729 {
730 ctrl_w = TRUE;
731 ca.opcount = ca.count0; /* remember first count */
732 ca.count0 = 0;
733 ++no_mapping;
734 ++allow_keys; /* no mapping for nchar, but keys */
735 c = plain_vgetc(); /* get next character */
736 #ifdef FEAT_LANGMAP
737 LANGMAP_ADJUST(c, TRUE);
738 #endif
739 --no_mapping;
740 --allow_keys;
741 #ifdef FEAT_CMDL_INFO
742 need_flushbuf |= add_to_showcmd(c);
743 #endif
744 goto getcount; /* jump back */
745 }
746 }
747
748 /*
749 * If we're in the middle of an operator (including after entering a yank
750 * buffer with '"') AND we had a count before the operator, then that
751 * count overrides the current value of ca.count0.
752 * What this means effectively, is that commands like "3dw" get turned
753 * into "d3w" which makes things fall into place pretty neatly.
754 * If you give a count before AND after the operator, they are multiplied.
755 */
756 if (ca.opcount != 0)
757 {
758 if (ca.count0)
759 ca.count0 *= ca.opcount;
760 else
761 ca.count0 = ca.opcount;
762 }
763
764 /*
765 * Always remember the count. It will be set to zero (on the next call,
766 * above) when there is no pending operator.
767 * When called from main(), save the count for use by the "count" built-in
768 * variable.
769 */
770 ca.opcount = ca.count0;
771 ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
772
773 #ifdef FEAT_EVAL
774 /*
775 * Only set v:count when called from main() and not a stuffed command.
776 */
777 if (toplevel && stuff_empty())
778 set_vcount(ca.count0, ca.count1);
779 #endif
780
781 /*
782 * Find the command character in the table of commands.
783 * For CTRL-W we already got nchar when looking for a count.
784 */
785 if (ctrl_w)
786 {
787 ca.nchar = c;
788 ca.cmdchar = Ctrl_W;
789 }
790 else
791 ca.cmdchar = c;
792 idx = find_command(ca.cmdchar);
793 if (idx < 0)
794 {
795 /* Not a known command: beep. */
796 clearopbeep(oap);
797 goto normal_end;
798 }
799
800 if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
801 {
802 /* This command is not allowed wile editing a ccmdline: beep. */
803 clearopbeep(oap);
804 text_locked_msg();
805 goto normal_end;
806 }
807 #ifdef FEAT_AUTOCMD
808 if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
809 goto normal_end;
810 #endif
811
812 #ifdef FEAT_VISUAL
813 /*
814 * In Visual/Select mode, a few keys are handled in a special way.
815 */
816 if (VIsual_active)
817 {
818 /* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
819 if (km_stopsel
820 && (nv_cmds[idx].cmd_flags & NV_STS)
821 && !(mod_mask & MOD_MASK_SHIFT))
822 {
823 end_visual_mode();
824 redraw_curbuf_later(INVERTED);
825 }
826
827 /* Keys that work different when 'keymodel' contains "startsel" */
828 if (km_startsel)
829 {
830 if (nv_cmds[idx].cmd_flags & NV_SS)
831 {
832 unshift_special(&ca);
833 idx = find_command(ca.cmdchar);
834 if (idx < 0)
835 {
836 /* Just in case */
837 clearopbeep(oap);
838 goto normal_end;
839 }
840 }
841 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
842 && (mod_mask & MOD_MASK_SHIFT))
843 {
844 mod_mask &= ~MOD_MASK_SHIFT;
845 }
846 }
847 }
848 #endif
849
850 #ifdef FEAT_RIGHTLEFT
851 if (curwin->w_p_rl && KeyTyped && !KeyStuffed
852 && (nv_cmds[idx].cmd_flags & NV_RL))
853 {
854 /* Invert horizontal movements and operations. Only when typed by the
855 * user directly, not when the result of a mapping or "x" translated
856 * to "dl". */
857 switch (ca.cmdchar)
858 {
859 case 'l': ca.cmdchar = 'h'; break;
860 case K_RIGHT: ca.cmdchar = K_LEFT; break;
861 case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
862 case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
863 case 'h': ca.cmdchar = 'l'; break;
864 case K_LEFT: ca.cmdchar = K_RIGHT; break;
865 case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break;
866 case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break;
867 case '>': ca.cmdchar = '<'; break;
868 case '<': ca.cmdchar = '>'; break;
869 }
870 idx = find_command(ca.cmdchar);
871 }
872 #endif
873
874 /*
875 * Get an additional character if we need one.
876 */
877 if ((nv_cmds[idx].cmd_flags & NV_NCH)
878 && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
879 && oap->op_type == OP_NOP)
880 || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
881 || (ca.cmdchar == 'q'
882 && oap->op_type == OP_NOP
883 && !Recording
884 && !Exec_reg)
885 || ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
886 && (oap->op_type != OP_NOP
887 #ifdef FEAT_VISUAL
888 || VIsual_active
889 #endif
890 ))))
891 {
892 int *cp;
893 int repl = FALSE; /* get character for replace mode */
894 int lit = FALSE; /* get extra character literally */
895 int langmap_active = FALSE; /* using :lmap mappings */
896 int lang; /* getting a text character */
897 #ifdef USE_IM_CONTROL
898 int save_smd; /* saved value of p_smd */
899 #endif
900
901 ++no_mapping;
902 ++allow_keys; /* no mapping for nchar, but allow key codes */
903 #ifdef FEAT_AUTOCMD
904 /* Don't generate a CursorHold event here, most commands can't handle
905 * it, e.g., nv_replace(), nv_csearch(). */
906 did_cursorhold = TRUE;
907 #endif
908 if (ca.cmdchar == 'g')
909 {
910 /*
911 * For 'g' get the next character now, so that we can check for
912 * "gr", "g'" and "g`".
913 */
914 ca.nchar = plain_vgetc();
915 #ifdef FEAT_LANGMAP
916 LANGMAP_ADJUST(ca.nchar, TRUE);
917 #endif
918 #ifdef FEAT_CMDL_INFO
919 need_flushbuf |= add_to_showcmd(ca.nchar);
920 #endif
921 if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
922 || ca.nchar == Ctrl_BSL)
923 {
924 cp = &ca.extra_char; /* need to get a third character */
925 if (ca.nchar != 'r')
926 lit = TRUE; /* get it literally */
927 else
928 repl = TRUE; /* get it in replace mode */
929 }
930 else
931 cp = NULL; /* no third character needed */
932 }
933 else
934 {
935 if (ca.cmdchar == 'r') /* get it in replace mode */
936 repl = TRUE;
937 cp = &ca.nchar;
938 }
939 lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
940
941 /*
942 * Get a second or third character.
943 */
944 if (cp != NULL)
945 {
946 #ifdef CURSOR_SHAPE
947 if (repl)
948 {
949 State = REPLACE; /* pretend Replace mode */
950 ui_cursor_shape(); /* show different cursor shape */
951 }
952 #endif
953 if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
954 {
955 /* Allow mappings defined with ":lmap". */
956 --no_mapping;
957 --allow_keys;
958 if (repl)
959 State = LREPLACE;
960 else
961 State = LANGMAP;
962 langmap_active = TRUE;
963 }
964 #ifdef USE_IM_CONTROL
965 save_smd = p_smd;
966 p_smd = FALSE; /* Don't let the IM code show the mode here */
967 if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
968 im_set_active(TRUE);
969 #endif
970
971 *cp = plain_vgetc();
972
973 if (langmap_active)
974 {
975 /* Undo the decrement done above */
976 ++no_mapping;
977 ++allow_keys;
978 State = NORMAL_BUSY;
979 }
980 #ifdef USE_IM_CONTROL
981 if (lang)
982 {
983 if (curbuf->b_p_iminsert != B_IMODE_LMAP)
984 im_save_status(&curbuf->b_p_iminsert);
985 im_set_active(FALSE);
986 }
987 p_smd = save_smd;
988 #endif
989 #ifdef CURSOR_SHAPE
990 State = NORMAL_BUSY;
991 #endif
992 #ifdef FEAT_CMDL_INFO
993 need_flushbuf |= add_to_showcmd(*cp);
994 #endif
995
996 if (!lit)
997 {
998 #ifdef FEAT_DIGRAPHS
999 /* Typing CTRL-K gets a digraph. */
1000 if (*cp == Ctrl_K
1001 && ((nv_cmds[idx].cmd_flags & NV_LANG)
1002 || cp == &ca.extra_char)
1003 && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
1004 {
1005 c = get_digraph(FALSE);
1006 if (c > 0)
1007 {
1008 *cp = c;
1009 # ifdef FEAT_CMDL_INFO
1010 /* Guessing how to update showcmd here... */
1011 del_from_showcmd(3);
1012 need_flushbuf |= add_to_showcmd(*cp);
1013 # endif
1014 }
1015 }
1016 #endif
1017
1018 #ifdef FEAT_LANGMAP
1019 /* adjust chars > 127, except after "tTfFr" commands */
1020 LANGMAP_ADJUST(*cp, !lang);
1021 #endif
1022 #ifdef FEAT_RIGHTLEFT
1023 /* adjust Hebrew mapped char */
1024 if (p_hkmap && lang && KeyTyped)
1025 *cp = hkmap(*cp);
1026 # ifdef FEAT_FKMAP
1027 /* adjust Farsi mapped char */
1028 if (p_fkmap && lang && KeyTyped)
1029 *cp = fkmap(*cp);
1030 # endif
1031 #endif
1032 }
1033
1034 /*
1035 * When the next character is CTRL-\ a following CTRL-N means the
1036 * command is aborted and we go to Normal mode.
1037 */
1038 if (cp == &ca.extra_char
1039 && ca.nchar == Ctrl_BSL
1040 && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1041 {
1042 ca.cmdchar = Ctrl_BSL;
1043 ca.nchar = ca.extra_char;
1044 idx = find_command(ca.cmdchar);
1045 }
1046 else if (*cp == Ctrl_BSL)
1047 {
1048 long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1049
1050 /* There is a busy wait here when typing "f<C-\>" and then
1051 * something different from CTRL-N. Can't be avoided. */
1052 while ((c = vpeekc()) <= 0 && towait > 0L)
1053 {
1054 do_sleep(towait > 50L ? 50L : towait);
1055 towait -= 50L;
1056 }
1057 if (c > 0)
1058 {
1059 c = plain_vgetc();
1060 if (c != Ctrl_N && c != Ctrl_G)
1061 vungetc(c);
1062 else
1063 {
1064 ca.cmdchar = Ctrl_BSL;
1065 ca.nchar = c;
1066 idx = find_command(ca.cmdchar);
1067 }
1068 }
1069 }
1070
1071 #ifdef FEAT_MBYTE
1072 /* When getting a text character and the next character is a
1073 * multi-byte character, it could be a composing character.
1074 * However, don't wait for it to arrive. */
1075 while (enc_utf8 && lang && (c = vpeekc()) > 0
1076 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1077 {
1078 c = plain_vgetc();
1079 if (!utf_iscomposing(c))
1080 {
1081 vungetc(c); /* it wasn't, put it back */
1082 break;
1083 }
1084 else if (ca.ncharC1 == 0)
1085 ca.ncharC1 = c;
1086 else
1087 ca.ncharC2 = c;
1088 }
1089 #endif
1090 }
1091 --no_mapping;
1092 --allow_keys;
1093 }
1094
1095 #ifdef FEAT_CMDL_INFO
1096 /*
1097 * Flush the showcmd characters onto the screen so we can see them while
1098 * the command is being executed. Only do this when the shown command was
1099 * actually displayed, otherwise this will slow down a lot when executing
1100 * mappings.
1101 */
1102 if (need_flushbuf)
1103 out_flush();
1104 #endif
1105 #ifdef FEAT_AUTOCMD
1106 did_cursorhold = FALSE;
1107 #endif
1108
1109 State = NORMAL;
1110
1111 if (ca.nchar == ESC)
1112 {
1113 clearop(oap);
1114 if (restart_edit == 0 && goto_im())
1115 restart_edit = 'a';
1116 goto normal_end;
1117 }
1118
1119 if (ca.cmdchar != K_IGNORE)
1120 {
1121 msg_didout = FALSE; /* don't scroll screen up for normal command */
1122 msg_col = 0;
1123 }
1124
1125 #ifdef FEAT_VISUAL
1126 old_pos = curwin->w_cursor; /* remember where cursor was */
1127
1128 /* When 'keymodel' contains "startsel" some keys start Select/Visual
1129 * mode. */
1130 if (!VIsual_active && km_startsel)
1131 {
1132 if (nv_cmds[idx].cmd_flags & NV_SS)
1133 {
1134 start_selection();
1135 unshift_special(&ca);
1136 idx = find_command(ca.cmdchar);
1137 }
1138 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1139 && (mod_mask & MOD_MASK_SHIFT))
1140 {
1141 start_selection();
1142 mod_mask &= ~MOD_MASK_SHIFT;
1143 }
1144 }
1145 #endif
1146
1147 /*
1148 * Execute the command!
1149 * Call the command function found in the commands table.
1150 */
1151 ca.arg = nv_cmds[idx].cmd_arg;
1152 (nv_cmds[idx].cmd_func)(&ca);
1153
1154 /*
1155 * If we didn't start or finish an operator, reset oap->regname, unless we
1156 * need it later.
1157 */
1158 if (!finish_op
1159 && !oap->op_type
1160 && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1161 {
1162 clearop(oap);
1163 #ifdef FEAT_EVAL
1164 set_reg_var('"');
1165 #endif
1166 }
1167
1168 #ifdef FEAT_VISUAL
1169 /* Get the length of mapped chars again after typing a count, second
1170 * character or "z333<cr>". */
1171 if (old_mapped_len > 0)
1172 old_mapped_len = typebuf_maplen();
1173 #endif
1174
1175 /*
1176 * If an operation is pending, handle it...
1177 */
1178 do_pending_operator(&ca, old_col, FALSE);
1179
1180 /*
1181 * Wait for a moment when a message is displayed that will be overwritten
1182 * by the mode message.
1183 * In Visual mode and with "^O" in Insert mode, a short message will be
1184 * overwritten by the mode message. Wait a bit, until a key is hit.
1185 * In Visual mode, it's more important to keep the Visual area updated
1186 * than keeping a message (e.g. from a /pat search).
1187 * Only do this if the command was typed, not from a mapping.
1188 * Don't wait when emsg_silent is non-zero.
1189 * Also wait a bit after an error message, e.g. for "^O:".
1190 * Don't redraw the screen, it would remove the message.
1191 */
1192 if ( ((p_smd
1193 && msg_silent == 0
1194 && (restart_edit != 0
1195 #ifdef FEAT_VISUAL
1196 || (VIsual_active
1197 && old_pos.lnum == curwin->w_cursor.lnum
1198 && old_pos.col == curwin->w_cursor.col)
1199 #endif
1200 )
1201 && (clear_cmdline
1202 || redraw_cmdline)
1203 && (msg_didout || (msg_didany && msg_scroll))
1204 && !msg_nowait
1205 && KeyTyped)
1206 || (restart_edit != 0
1207 #ifdef FEAT_VISUAL
1208 && !VIsual_active
1209 #endif
1210 && (msg_scroll
1211 || emsg_on_display)))
1212 && oap->regname == 0
1213 && !(ca.retval & CA_COMMAND_BUSY)
1214 && stuff_empty()
1215 && typebuf_typed()
1216 && emsg_silent == 0
1217 && !did_wait_return
1218 && oap->op_type == OP_NOP)
1219 {
1220 int save_State = State;
1221
1222 /* Draw the cursor with the right shape here */
1223 if (restart_edit != 0)
1224 State = INSERT;
1225
1226 /* If need to redraw, and there is a "keep_msg", redraw before the
1227 * delay */
1228 if (must_redraw && keep_msg != NULL && !emsg_on_display)
1229 {
1230 char_u *kmsg;
1231
1232 kmsg = keep_msg;
1233 keep_msg = NULL;
1234 /* showmode() will clear keep_msg, but we want to use it anyway */
1235 update_screen(0);
1236 /* now reset it, otherwise it's put in the history again */
1237 keep_msg = kmsg;
1238 msg_attr(kmsg, keep_msg_attr);
1239 vim_free(kmsg);
1240 }
1241 setcursor();
1242 cursor_on();
1243 out_flush();
1244 if (msg_scroll || emsg_on_display)
1245 ui_delay(1000L, TRUE); /* wait at least one second */
1246 ui_delay(3000L, FALSE); /* wait up to three seconds */
1247 State = save_State;
1248
1249 msg_scroll = FALSE;
1250 emsg_on_display = FALSE;
1251 }
1252
1253 /*
1254 * Finish up after executing a Normal mode command.
1255 */
1256 normal_end:
1257
1258 msg_nowait = FALSE;
1259
1260 /* Reset finish_op, in case it was set */
1261 #ifdef CURSOR_SHAPE
1262 c = finish_op;
1263 #endif
1264 finish_op = FALSE;
1265 #ifdef CURSOR_SHAPE
1266 /* Redraw the cursor with another shape, if we were in Operator-pending
1267 * mode or did a replace command. */
1268 if (c || ca.cmdchar == 'r')
1269 {
1270 ui_cursor_shape(); /* may show different cursor shape */
1271 # ifdef FEAT_MOUSESHAPE
1272 update_mouseshape(-1);
1273 # endif
1274 }
1275 #endif
1276
1277 #ifdef FEAT_CMDL_INFO
1278 if (oap->op_type == OP_NOP && oap->regname == 0)
1279 clear_showcmd();
1280 #endif
1281
1282 checkpcmark(); /* check if we moved since setting pcmark */
1283 vim_free(ca.searchbuf);
1284
1285 #ifdef FEAT_MBYTE
1286 if (has_mbyte)
1287 mb_adjust_cursor();
1288 #endif
1289
1290 #ifdef FEAT_SCROLLBIND
1291 if (curwin->w_p_scb && toplevel)
1292 {
1293 validate_cursor(); /* may need to update w_leftcol */
1294 do_check_scrollbind(TRUE);
1295 }
1296 #endif
1297
1298 /*
1299 * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1300 * if still inside a mapping that started in Visual mode).
1301 * May switch from Visual to Select mode after CTRL-O command.
1302 */
1303 if ( oap->op_type == OP_NOP
1304 #ifdef FEAT_VISUAL
1305 && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1306 || restart_VIsual_select == 1)
1307 #else
1308 && restart_edit != 0
1309 #endif
1310 && !(ca.retval & CA_COMMAND_BUSY)
1311 && stuff_empty()
1312 && oap->regname == 0)
1313 {
1314 #ifdef FEAT_VISUAL
1315 if (restart_VIsual_select == 1)
1316 {
1317 VIsual_select = TRUE;
1318 showmode();
1319 restart_VIsual_select = 0;
1320 }
1321 #endif
1322 if (restart_edit != 0
1323 #ifdef FEAT_VISUAL
1324 && !VIsual_active && old_mapped_len == 0
1325 #endif
1326 )
1327 (void)edit(restart_edit, FALSE, 1L);
1328 }
1329
1330 #ifdef FEAT_VISUAL
1331 if (restart_VIsual_select == 2)
1332 restart_VIsual_select = 1;
1333 #endif
1334
1335 /* Save count before an operator for next time. */
1336 opcount = ca.opcount;
1337 }
1338
1339 /*
1340 * Handle an operator after visual mode or when the movement is finished
1341 */
1342 void
1343 do_pending_operator(cap, old_col, gui_yank)
1344 cmdarg_T *cap;
1345 int old_col;
1346 int gui_yank;
1347 {
1348 oparg_T *oap = cap->oap;
1349 pos_T old_cursor;
1350 int empty_region_error;
1351 int restart_edit_save;
1352
1353 #ifdef FEAT_VISUAL
1354 /* The visual area is remembered for redo */
1355 static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1356 static linenr_T redo_VIsual_line_count; /* number of lines */
1357 static colnr_T redo_VIsual_col; /* number of cols or end column */
1358 static long redo_VIsual_count; /* count for Visual operator */
1359 # ifdef FEAT_VIRTUALEDIT
1360 int include_line_break = FALSE;
1361 # endif
1362 #endif
1363
1364 #if defined(FEAT_CLIPBOARD)
1365 /*
1366 * Yank the visual area into the GUI selection register before we operate
1367 * on it and lose it forever.
1368 * Don't do it if a specific register was specified, so that ""x"*P works.
1369 * This could call do_pending_operator() recursively, but that's OK
1370 * because gui_yank will be TRUE for the nested call.
1371 */
1372 if (clip_star.available
1373 && oap->op_type != OP_NOP
1374 && !gui_yank
1375 # ifdef FEAT_VISUAL
1376 && VIsual_active
1377 && !redo_VIsual_busy
1378 # endif
1379 && oap->regname == 0)
1380 clip_auto_select();
1381 #endif
1382 old_cursor = curwin->w_cursor;
1383
1384 /*
1385 * If an operation is pending, handle it...
1386 */
1387 if ((finish_op
1388 #ifdef FEAT_VISUAL
1389 || VIsual_active
1390 #endif
1391 ) && oap->op_type != OP_NOP)
1392 {
1393 #ifdef FEAT_VISUAL
1394 oap->is_VIsual = VIsual_active;
1395 if (oap->motion_force == 'V')
1396 oap->motion_type = MLINE;
1397 else if (oap->motion_force == 'v')
1398 {
1399 /* If the motion was linewise, "inclusive" will not have been set.
1400 * Use "exclusive" to be consistent. Makes "dvj" work nice. */
1401 if (oap->motion_type == MLINE)
1402 oap->inclusive = FALSE;
1403 /* If the motion already was characterwise, toggle "inclusive" */
1404 else if (oap->motion_type == MCHAR)
1405 oap->inclusive = !oap->inclusive;
1406 oap->motion_type = MCHAR;
1407 }
1408 else if (oap->motion_force == Ctrl_V)
1409 {
1410 /* Change line- or characterwise motion into Visual block mode. */
1411 VIsual_active = TRUE;
1412 VIsual = oap->start;
1413 VIsual_mode = Ctrl_V;
1414 VIsual_select = FALSE;
1415 VIsual_reselect = FALSE;
1416 }
1417 #endif
1418
1419 /* only redo yank when 'y' flag is in 'cpoptions' */
1420 /* never redo "zf" (define fold) */
1421 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1422 #ifdef FEAT_VISUAL
1423 && (!VIsual_active || oap->motion_force)
1424 #endif
1425 && cap->cmdchar != 'D'
1426 #ifdef FEAT_FOLDING
1427 && oap->op_type != OP_FOLD
1428 && oap->op_type != OP_FOLDOPEN
1429 && oap->op_type != OP_FOLDOPENREC
1430 && oap->op_type != OP_FOLDCLOSE
1431 && oap->op_type != OP_FOLDCLOSEREC
1432 && oap->op_type != OP_FOLDDEL
1433 && oap->op_type != OP_FOLDDELREC
1434 #endif
1435 )
1436 {
1437 prep_redo(oap->regname, cap->count0,
1438 get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1439 oap->motion_force, cap->cmdchar, cap->nchar);
1440 if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1441 {
1442 /*
1443 * If 'cpoptions' does not contain 'r', insert the search
1444 * pattern to really repeat the same command.
1445 */
1446 if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1447 AppendToRedobuffLit(cap->searchbuf, -1);
1448 AppendToRedobuff(NL_STR);
1449 }
1450 else if (cap->cmdchar == ':')
1451 {
1452 /* do_cmdline() has stored the first typed line in
1453 * "repeat_cmdline". When several lines are typed repeating
1454 * won't be possible. */
1455 if (repeat_cmdline == NULL)
1456 ResetRedobuff();
1457 else
1458 {
1459 AppendToRedobuffLit(repeat_cmdline, -1);
1460 AppendToRedobuff(NL_STR);
1461 vim_free(repeat_cmdline);
1462 repeat_cmdline = NULL;
1463 }
1464 }
1465 }
1466
1467 #ifdef FEAT_VISUAL
1468 if (redo_VIsual_busy)
1469 {
1470 oap->start = curwin->w_cursor;
1471 curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1472 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1473 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1474 VIsual_mode = redo_VIsual_mode;
1475 if (VIsual_mode == 'v')
1476 {
1477 if (redo_VIsual_line_count <= 1)
1478 curwin->w_cursor.col += redo_VIsual_col - 1;
1479 else
1480 curwin->w_cursor.col = redo_VIsual_col;
1481 }
1482 if (redo_VIsual_col == MAXCOL)
1483 {
1484 curwin->w_curswant = MAXCOL;
1485 coladvance((colnr_T)MAXCOL);
1486 }
1487 cap->count0 = redo_VIsual_count;
1488 if (redo_VIsual_count != 0)
1489 cap->count1 = redo_VIsual_count;
1490 else
1491 cap->count1 = 1;
1492 }
1493 else if (VIsual_active)
1494 {
1495 if (!gui_yank)
1496 {
1497 /* Save the current VIsual area for '< and '> marks, and "gv" */
1498 curbuf->b_visual.vi_start = VIsual;
1499 curbuf->b_visual.vi_end = curwin->w_cursor;
1500 curbuf->b_visual.vi_mode = VIsual_mode;
1501 curbuf->b_visual.vi_curswant = curwin->w_curswant;
1502 # ifdef FEAT_EVAL
1503 curbuf->b_visual_mode_eval = VIsual_mode;
1504 # endif
1505 }
1506
1507 /* In Select mode, a linewise selection is operated upon like a
1508 * characterwise selection. */
1509 if (VIsual_select && VIsual_mode == 'V')
1510 {
1511 if (lt(VIsual, curwin->w_cursor))
1512 {
1513 VIsual.col = 0;
1514 curwin->w_cursor.col =
1515 (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1516 }
1517 else
1518 {
1519 curwin->w_cursor.col = 0;
1520 VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1521 }
1522 VIsual_mode = 'v';
1523 }
1524 /* If 'selection' is "exclusive", backup one character for
1525 * charwise selections. */
1526 else if (VIsual_mode == 'v')
1527 {
1528 # ifdef FEAT_VIRTUALEDIT
1529 include_line_break =
1530 # endif
1531 unadjust_for_sel();
1532 }
1533
1534 oap->start = VIsual;
1535 if (VIsual_mode == 'V')
1536 oap->start.col = 0;
1537 }
1538 #endif /* FEAT_VISUAL */
1539
1540 /*
1541 * Set oap->start to the first position of the operated text, oap->end
1542 * to the end of the operated text. w_cursor is equal to oap->start.
1543 */
1544 if (lt(oap->start, curwin->w_cursor))
1545 {
1546 #ifdef FEAT_FOLDING
1547 /* Include folded lines completely. */
1548 if (!VIsual_active)
1549 {
1550 if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1551 oap->start.col = 0;
1552 if (hasFolding(curwin->w_cursor.lnum, NULL,
1553 &curwin->w_cursor.lnum))
1554 curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1555 }
1556 #endif
1557 oap->end = curwin->w_cursor;
1558 curwin->w_cursor = oap->start;
1559
1560 /* w_virtcol may have been updated; if the cursor goes back to its
1561 * previous position w_virtcol becomes invalid and isn't updated
1562 * automatically. */
1563 curwin->w_valid &= ~VALID_VIRTCOL;
1564 }
1565 else
1566 {
1567 #ifdef FEAT_FOLDING
1568 /* Include folded lines completely. */
1569 if (!VIsual_active && oap->motion_type == MLINE)
1570 {
1571 if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1572 NULL))
1573 curwin->w_cursor.col = 0;
1574 if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1575 oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1576 }
1577 #endif
1578 oap->end = oap->start;
1579 oap->start = curwin->w_cursor;
1580 }
1581
1582 oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1583
1584 #ifdef FEAT_VIRTUALEDIT
1585 /* Set "virtual_op" before resetting VIsual_active. */
1586 virtual_op = virtual_active();
1587 #endif
1588
1589 #ifdef FEAT_VISUAL
1590 if (VIsual_active || redo_VIsual_busy)
1591 {
1592 if (VIsual_mode == Ctrl_V) /* block mode */
1593 {
1594 colnr_T start, end;
1595
1596 oap->block_mode = TRUE;
1597
1598 getvvcol(curwin, &(oap->start),
1599 &oap->start_vcol, NULL, &oap->end_vcol);
1600 if (!redo_VIsual_busy)
1601 {
1602 getvvcol(curwin, &(oap->end), &start, NULL, &end);
1603
1604 if (start < oap->start_vcol)
1605 oap->start_vcol = start;
1606 if (end > oap->end_vcol)
1607 {
1608 if (*p_sel == 'e' && start >= 1
1609 && start - 1 >= oap->end_vcol)
1610 oap->end_vcol = start - 1;
1611 else
1612 oap->end_vcol = end;
1613 }
1614 }
1615
1616 /* if '$' was used, get oap->end_vcol from longest line */
1617 if (curwin->w_curswant == MAXCOL)
1618 {
1619 curwin->w_cursor.col = MAXCOL;
1620 oap->end_vcol = 0;
1621 for (curwin->w_cursor.lnum = oap->start.lnum;
1622 curwin->w_cursor.lnum <= oap->end.lnum;
1623 ++curwin->w_cursor.lnum)
1624 {
1625 getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1626 if (end > oap->end_vcol)
1627 oap->end_vcol = end;
1628 }
1629 }
1630 else if (redo_VIsual_busy)
1631 oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1632 /*
1633 * Correct oap->end.col and oap->start.col to be the
1634 * upper-left and lower-right corner of the block area.
1635 *
1636 * (Actually, this does convert column positions into character
1637 * positions)
1638 */
1639 curwin->w_cursor.lnum = oap->end.lnum;
1640 coladvance(oap->end_vcol);
1641 oap->end = curwin->w_cursor;
1642
1643 curwin->w_cursor = oap->start;
1644 coladvance(oap->start_vcol);
1645 oap->start = curwin->w_cursor;
1646 }
1647
1648 if (!redo_VIsual_busy && !gui_yank)
1649 {
1650 /*
1651 * Prepare to reselect and redo Visual: this is based on the
1652 * size of the Visual text
1653 */
1654 resel_VIsual_mode = VIsual_mode;
1655 if (curwin->w_curswant == MAXCOL)
1656 resel_VIsual_col = MAXCOL;
1657 else if (VIsual_mode == Ctrl_V)
1658 resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1659 else if (oap->line_count > 1)
1660 resel_VIsual_col = oap->end.col;
1661 else
1662 resel_VIsual_col = oap->end.col - oap->start.col + 1;
1663 resel_VIsual_line_count = oap->line_count;
1664 }
1665
1666 /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1667 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1668 && oap->op_type != OP_COLON
1669 #ifdef FEAT_FOLDING
1670 && oap->op_type != OP_FOLD
1671 && oap->op_type != OP_FOLDOPEN
1672 && oap->op_type != OP_FOLDOPENREC
1673 && oap->op_type != OP_FOLDCLOSE
1674 && oap->op_type != OP_FOLDCLOSEREC
1675 && oap->op_type != OP_FOLDDEL
1676 && oap->op_type != OP_FOLDDELREC
1677 #endif
1678 && oap->motion_force == NUL
1679 )
1680 {
1681 /* Prepare for redoing. Only use the nchar field for "r",
1682 * otherwise it might be the second char of the operator. */
1683 prep_redo(oap->regname, 0L, NUL, 'v',
1684 get_op_char(oap->op_type),
1685 get_extra_op_char(oap->op_type),
1686 oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1687 if (!redo_VIsual_busy)
1688 {
1689 redo_VIsual_mode = resel_VIsual_mode;
1690 redo_VIsual_col = resel_VIsual_col;
1691 redo_VIsual_line_count = resel_VIsual_line_count;
1692 redo_VIsual_count = cap->count0;
1693 }
1694 }
1695
1696 /*
1697 * oap->inclusive defaults to TRUE.
1698 * If oap->end is on a NUL (empty line) oap->inclusive becomes
1699 * FALSE. This makes "d}P" and "v}dP" work the same.
1700 */
1701 if (oap->motion_force == NUL || oap->motion_type == MLINE)
1702 oap->inclusive = TRUE;
1703 if (VIsual_mode == 'V')
1704 oap->motion_type = MLINE;
1705 else
1706 {
1707 oap->motion_type = MCHAR;
1708 if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1709 # ifdef FEAT_VIRTUALEDIT
1710 && (include_line_break || !virtual_op)
1711 # endif
1712 )
1713 {
1714 oap->inclusive = FALSE;
1715 /* Try to include the newline, unless it's an operator
1716 * that works on lines only */
1717 if (*p_sel != 'o'
1718 && !op_on_lines(oap->op_type)
1719 && oap->end.lnum < curbuf->b_ml.ml_line_count)
1720 {
1721 ++oap->end.lnum;
1722 oap->end.col = 0;
1723 # ifdef FEAT_VIRTUALEDIT
1724 oap->end.coladd = 0;
1725 # endif
1726 ++oap->line_count;
1727 }
1728 }
1729 }
1730
1731 redo_VIsual_busy = FALSE;
1732
1733 /*
1734 * Switch Visual off now, so screen updating does
1735 * not show inverted text when the screen is redrawn.
1736 * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1737 * no screen redraw, so it is done here to remove the inverted
1738 * part.
1739 */
1740 if (!gui_yank)
1741 {
1742 VIsual_active = FALSE;
1743 # ifdef FEAT_MOUSE
1744 setmouse();
1745 mouse_dragging = 0;
1746 # endif
1747 if (mode_displayed)
1748 clear_cmdline = TRUE; /* unshow visual mode later */
1749 #ifdef FEAT_CMDL_INFO
1750 else
1751 clear_showcmd();
1752 #endif
1753 if ((oap->op_type == OP_YANK
1754 || oap->op_type == OP_COLON
1755 || oap->op_type == OP_FUNCTION
1756 || oap->op_type == OP_FILTER)
1757 && oap->motion_force == NUL)
1758 redraw_curbuf_later(INVERTED);
1759 }
1760 }
1761 #endif
1762
1763 #ifdef FEAT_MBYTE
1764 /* Include the trailing byte of a multi-byte char. */
1765 if (has_mbyte && oap->inclusive)
1766 {
1767 int l;
1768
1769 l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1770 if (l > 1)
1771 oap->end.col += l - 1;
1772 }
1773 #endif
1774 curwin->w_set_curswant = TRUE;
1775
1776 /*
1777 * oap->empty is set when start and end are the same. The inclusive
1778 * flag affects this too, unless yanking and the end is on a NUL.
1779 */
1780 oap->empty = (oap->motion_type == MCHAR
1781 && (!oap->inclusive
1782 || (oap->op_type == OP_YANK
1783 && gchar_pos(&oap->end) == NUL))
1784 && equalpos(oap->start, oap->end)
1785 #ifdef FEAT_VIRTUALEDIT
1786 && !(virtual_op && oap->start.coladd != oap->end.coladd)
1787 #endif
1788 );
1789 /*
1790 * For delete, change and yank, it's an error to operate on an
1791 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1792 */
1793 empty_region_error = (oap->empty
1794 && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1795
1796 #ifdef FEAT_VISUAL
1797 /* Force a redraw when operating on an empty Visual region, when
1798 * 'modifiable is off or creating a fold. */
1799 if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1800 # ifdef FEAT_FOLDING
1801 || oap->op_type == OP_FOLD
1802 # endif
1803 ))
1804 redraw_curbuf_later(INVERTED);
1805 #endif
1806
1807 /*
1808 * If the end of an operator is in column one while oap->motion_type
1809 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1810 * character in the previous line. If op_start is on or before the
1811 * first non-blank in the line, the operator becomes linewise
1812 * (strange, but that's the way vi does it).
1813 */
1814 if ( oap->motion_type == MCHAR
1815 && oap->inclusive == FALSE
1816 && !(cap->retval & CA_NO_ADJ_OP_END)
1817 && oap->end.col == 0
1818 #ifdef FEAT_VISUAL
1819 && (!oap->is_VIsual || *p_sel == 'o')
1820 && !oap->block_mode
1821 #endif
1822 && oap->line_count > 1)
1823 {
1824 oap->end_adjusted = TRUE; /* remember that we did this */
1825 --oap->line_count;
1826 --oap->end.lnum;
1827 if (inindent(0))
1828 oap->motion_type = MLINE;
1829 else
1830 {
1831 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1832 if (oap->end.col)
1833 {
1834 --oap->end.col;
1835 oap->inclusive = TRUE;
1836 }
1837 }
1838 }
1839 else
1840 oap->end_adjusted = FALSE;
1841
1842 switch (oap->op_type)
1843 {
1844 case OP_LSHIFT:
1845 case OP_RSHIFT:
1846 op_shift(oap, TRUE,
1847 #ifdef FEAT_VISUAL
1848 oap->is_VIsual ? (int)cap->count1 :
1849 #endif
1850 1);
1851 auto_format(FALSE, TRUE);
1852 break;
1853
1854 case OP_JOIN_NS:
1855 case OP_JOIN:
1856 if (oap->line_count < 2)
1857 oap->line_count = 2;
1858 if (curwin->w_cursor.lnum + oap->line_count - 1 >
1859 curbuf->b_ml.ml_line_count)
1860 beep_flush();
1861 else
1862 {
1863 do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1864 auto_format(FALSE, TRUE);
1865 }
1866 break;
1867
1868 case OP_DELETE:
1869 #ifdef FEAT_VISUAL
1870 VIsual_reselect = FALSE; /* don't reselect now */
1871 #endif
1872 if (empty_region_error)
1873 vim_beep();
1874 else
1875 {
1876 (void)op_delete(oap);
1877 if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1878 u_save_cursor(); /* cursor line wasn't saved yet */
1879 auto_format(FALSE, TRUE);
1880 }
1881 break;
1882
1883 case OP_YANK:
1884 if (empty_region_error)
1885 {
1886 if (!gui_yank)
1887 vim_beep();
1888 }
1889 else
1890 (void)op_yank(oap, FALSE, !gui_yank);
1891 check_cursor_col();
1892 break;
1893
1894 case OP_CHANGE:
1895 #ifdef FEAT_VISUAL
1896 VIsual_reselect = FALSE; /* don't reselect now */
1897 #endif
1898 if (empty_region_error)
1899 vim_beep();
1900 else
1901 {
1902 /* This is a new edit command, not a restart. Need to
1903 * remember it to make 'insertmode' work with mappings for
1904 * Visual mode. But do this only once and not when typed and
1905 * 'insertmode' isn't set. */
1906 if (p_im || !KeyTyped)
1907 restart_edit_save = restart_edit;
1908 else
1909 restart_edit_save = 0;
1910 restart_edit = 0;
1911 /* Reset finish_op now, don't want it set inside edit(). */
1912 finish_op = FALSE;
1913 if (op_change(oap)) /* will call edit() */
1914 cap->retval |= CA_COMMAND_BUSY;
1915 if (restart_edit == 0)
1916 restart_edit = restart_edit_save;
1917 }
1918 break;
1919
1920 case OP_FILTER:
1921 if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1922 AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
1923 else
1924 bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
1925
1926 case OP_INDENT:
1927 case OP_COLON:
1928
1929 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1930 /*
1931 * If 'equalprg' is empty, do the indenting internally.
1932 */
1933 if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1934 {
1935 # ifdef FEAT_LISP
1936 if (curbuf->b_p_lisp)
1937 {
1938 op_reindent(oap, get_lisp_indent);
1939 break;
1940 }
1941 # endif
1942 # ifdef FEAT_CINDENT
1943 op_reindent(oap,
1944 # ifdef FEAT_EVAL
1945 *curbuf->b_p_inde != NUL ? get_expr_indent :
1946 # endif
1947 get_c_indent);
1948 break;
1949 # endif
1950 }
1951 #endif
1952
1953 op_colon(oap);
1954 break;
1955
1956 case OP_TILDE:
1957 case OP_UPPER:
1958 case OP_LOWER:
1959 case OP_ROT13:
1960 if (empty_region_error)
1961 vim_beep();
1962 else
1963 op_tilde(oap);
1964 check_cursor_col();
1965 break;
1966
1967 case OP_FORMAT:
1968 #if defined(FEAT_EVAL)
1969 if (*curbuf->b_p_fex != NUL)
1970 op_formatexpr(oap); /* use expression */
1971 else
1972 #endif
1973 if (*p_fp != NUL)
1974 op_colon(oap); /* use external command */
1975 else
1976 op_format(oap, FALSE); /* use internal function */
1977 break;
1978
1979 case OP_FORMAT2:
1980 op_format(oap, TRUE); /* use internal function */
1981 break;
1982
1983 case OP_FUNCTION:
1984 op_function(oap); /* call 'operatorfunc' */
1985 break;
1986
1987 case OP_INSERT:
1988 case OP_APPEND:
1989 #ifdef FEAT_VISUAL
1990 VIsual_reselect = FALSE; /* don't reselect now */
1991 #endif
1992 #ifdef FEAT_VISUALEXTRA
1993 if (empty_region_error)
1994 vim_beep();
1995 else
1996 {
1997 /* This is a new edit command, not a restart. Need to
1998 * remember it to make 'insertmode' work with mappings for
1999 * Visual mode. But do this only once. */
2000 restart_edit_save = restart_edit;
2001 restart_edit = 0;
2002
2003 op_insert(oap, cap->count1);
2004
2005 /* TODO: when inserting in several lines, should format all
2006 * the lines. */
2007 auto_format(FALSE, TRUE);
2008
2009 if (restart_edit == 0)
2010 restart_edit = restart_edit_save;
2011 }
2012 #else
2013 vim_beep();
2014 #endif
2015 break;
2016
2017 case OP_REPLACE:
2018 #ifdef FEAT_VISUAL
2019 VIsual_reselect = FALSE; /* don't reselect now */
2020 #endif
2021 #ifdef FEAT_VISUALEXTRA
2022 if (empty_region_error)
2023 #endif
2024 vim_beep();
2025 #ifdef FEAT_VISUALEXTRA
2026 else
2027 op_replace(oap, cap->nchar);
2028 #endif
2029 break;
2030
2031 #ifdef FEAT_FOLDING
2032 case OP_FOLD:
2033 VIsual_reselect = FALSE; /* don't reselect now */
2034 foldCreate(oap->start.lnum, oap->end.lnum);
2035 break;
2036
2037 case OP_FOLDOPEN:
2038 case OP_FOLDOPENREC:
2039 case OP_FOLDCLOSE:
2040 case OP_FOLDCLOSEREC:
2041 VIsual_reselect = FALSE; /* don't reselect now */
2042 opFoldRange(oap->start.lnum, oap->end.lnum,
2043 oap->op_type == OP_FOLDOPEN
2044 || oap->op_type == OP_FOLDOPENREC,
2045 oap->op_type == OP_FOLDOPENREC
2046 || oap->op_type == OP_FOLDCLOSEREC,
2047 oap->is_VIsual);
2048 break;
2049
2050 case OP_FOLDDEL:
2051 case OP_FOLDDELREC:
2052 VIsual_reselect = FALSE; /* don't reselect now */
2053 deleteFold(oap->start.lnum, oap->end.lnum,
2054 oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2055 break;
2056 #endif
2057 default:
2058 clearopbeep(oap);
2059 }
2060 #ifdef FEAT_VIRTUALEDIT
2061 virtual_op = MAYBE;
2062 #endif
2063 if (!gui_yank)
2064 {
2065 /*
2066 * if 'sol' not set, go back to old column for some commands
2067 */
2068 if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2069 && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2070 || oap->op_type == OP_DELETE))
2071 coladvance(curwin->w_curswant = old_col);
2072 }
2073 else
2074 {
2075 curwin->w_cursor = old_cursor;
2076 }
2077 #ifdef FEAT_VISUAL
2078 oap->block_mode = FALSE;
2079 #endif
2080 clearop(oap);
2081 }
2082 }
2083
2084 /*
2085 * Handle indent and format operators and visual mode ":".
2086 */
2087 static void
2088 op_colon(oap)
2089 oparg_T *oap;
2090 {
2091 stuffcharReadbuff(':');
2092 #ifdef FEAT_VISUAL
2093 if (oap->is_VIsual)
2094 stuffReadbuff((char_u *)"'<,'>");
2095 else
2096 #endif
2097 {
2098 /*
2099 * Make the range look nice, so it can be repeated.
2100 */
2101 if (oap->start.lnum == curwin->w_cursor.lnum)
2102 stuffcharReadbuff('.');
2103 else
2104 stuffnumReadbuff((long)oap->start.lnum);
2105 if (oap->end.lnum != oap->start.lnum)
2106 {
2107 stuffcharReadbuff(',');
2108 if (oap->end.lnum == curwin->w_cursor.lnum)
2109 stuffcharReadbuff('.');
2110 else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2111 stuffcharReadbuff('$');
2112 else if (oap->start.lnum == curwin->w_cursor.lnum)
2113 {
2114 stuffReadbuff((char_u *)".+");
2115 stuffnumReadbuff((long)oap->line_count - 1);
2116 }
2117 else
2118 stuffnumReadbuff((long)oap->end.lnum);
2119 }
2120 }
2121 if (oap->op_type != OP_COLON)
2122 stuffReadbuff((char_u *)"!");
2123 if (oap->op_type == OP_INDENT)
2124 {
2125 #ifndef FEAT_CINDENT
2126 if (*get_equalprg() == NUL)
2127 stuffReadbuff((char_u *)"indent");
2128 else
2129 #endif
2130 stuffReadbuff(get_equalprg());
2131 stuffReadbuff((char_u *)"\n");
2132 }
2133 else if (oap->op_type == OP_FORMAT)
2134 {
2135 if (*p_fp == NUL)
2136 stuffReadbuff((char_u *)"fmt");
2137 else
2138 stuffReadbuff(p_fp);
2139 stuffReadbuff((char_u *)"\n']");
2140 }
2141
2142 /*
2143 * do_cmdline() does the rest
2144 */
2145 }
2146
2147 /*
2148 * Handle the "g@" operator: call 'operatorfunc'.
2149 */
2150 /*ARGSUSED*/
2151 static void
2152 op_function(oap)
2153 oparg_T *oap;
2154 {
2155 #ifdef FEAT_EVAL
2156 char_u *(argv[1]);
2157
2158 if (*p_opfunc == NUL)
2159 EMSG(_("E774: 'operatorfunc' is empty"));
2160 else
2161 {
2162 /* Set '[ and '] marks to text to be operated on. */
2163 curbuf->b_op_start = oap->start;
2164 curbuf->b_op_end = oap->end;
2165 if (oap->motion_type != MLINE && !oap->inclusive)
2166 /* Exclude the end position. */
2167 decl(&curbuf->b_op_end);
2168
2169 if (oap->block_mode)
2170 argv[0] = (char_u *)"block";
2171 else if (oap->motion_type == MLINE)
2172 argv[0] = (char_u *)"line";
2173 else
2174 argv[0] = (char_u *)"char";
2175 (void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2176 }
2177 #else
2178 EMSG(_("E775: Eval feature not available"));
2179 #endif
2180 }
2181
2182 #if defined(FEAT_MOUSE) || defined(PROTO)
2183 /*
2184 * Do the appropriate action for the current mouse click in the current mode.
2185 * Not used for Command-line mode.
2186 *
2187 * Normal Mode:
2188 * event modi- position visual change action
2189 * fier cursor window
2190 * left press - yes end yes
2191 * left press C yes end yes "^]" (2)
2192 * left press S yes end yes "*" (2)
2193 * left drag - yes start if moved no
2194 * left relse - yes start if moved no
2195 * middle press - yes if not active no put register
2196 * middle press - yes if active no yank and put
2197 * right press - yes start or extend yes
2198 * right press S yes no change yes "#" (2)
2199 * right drag - yes extend no
2200 * right relse - yes extend no
2201 *
2202 * Insert or Replace Mode:
2203 * event modi- position visual change action
2204 * fier cursor window
2205 * left press - yes (cannot be active) yes
2206 * left press C yes (cannot be active) yes "CTRL-O^]" (2)
2207 * left press S yes (cannot be active) yes "CTRL-O*" (2)
2208 * left drag - yes start or extend (1) no CTRL-O (1)
2209 * left relse - yes start or extend (1) no CTRL-O (1)
2210 * middle press - no (cannot be active) no put register
2211 * right press - yes start or extend yes CTRL-O
2212 * right press S yes (cannot be active) yes "CTRL-O#" (2)
2213 *
2214 * (1) only if mouse pointer moved since press
2215 * (2) only if click is in same buffer
2216 *
2217 * Return TRUE if start_arrow() should be called for edit mode.
2218 */
2219 int
2220 do_mouse(oap, c, dir, count, fixindent)
2221 oparg_T *oap; /* operator argument, can be NULL */
2222 int c; /* K_LEFTMOUSE, etc */
2223 int dir; /* Direction to 'put' if necessary */
2224 long count;
2225 int fixindent; /* PUT_FIXINDENT if fixing indent necessary */
2226 {
2227 static int do_always = FALSE; /* ignore 'mouse' setting next time */
2228 static int got_click = FALSE; /* got a click some time back */
2229
2230 int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
2231 int is_click; /* If FALSE it's a drag or release event */
2232 int is_drag; /* If TRUE it's a drag event */
2233 int jump_flags = 0; /* flags for jump_to_mouse() */
2234 pos_T start_visual;
2235 int moved; /* Has cursor moved? */
2236 int in_status_line; /* mouse in status line */
2237 #ifdef FEAT_VERTSPLIT
2238 int in_sep_line; /* mouse in vertical separator line */
2239 #endif
2240 int c1, c2;
2241 #if defined(FEAT_FOLDING)
2242 pos_T save_cursor;
2243 #endif
2244 win_T *old_curwin = curwin;
2245 #ifdef FEAT_VISUAL
2246 static pos_T orig_cursor;
2247 colnr_T leftcol, rightcol;
2248 pos_T end_visual;
2249 int diff;
2250 int old_active = VIsual_active;
2251 int old_mode = VIsual_mode;
2252 #endif
2253 int regname;
2254
2255 #if defined(FEAT_FOLDING)
2256 save_cursor = curwin->w_cursor;
2257 #endif
2258
2259 /*
2260 * When GUI is active, always recognize mouse events, otherwise:
2261 * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2262 * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2263 * - For command line and insert mode 'mouse' is checked before calling
2264 * do_mouse().
2265 */
2266 if (do_always)
2267 do_always = FALSE;
2268 else
2269 #ifdef FEAT_GUI
2270 if (!gui.in_use)
2271 #endif
2272 {
2273 #ifdef FEAT_VISUAL
2274 if (VIsual_active)
2275 {
2276 if (!mouse_has(MOUSE_VISUAL))
2277 return FALSE;
2278 }
2279 else
2280 #endif
2281 if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2282 return FALSE;
2283 }
2284
2285 which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2286
2287 #ifdef FEAT_MOUSESHAPE
2288 /* May have stopped dragging the status or separator line. The pointer is
2289 * most likely still on the status or separator line. */
2290 if (!is_drag && drag_status_line)
2291 {
2292 drag_status_line = FALSE;
2293 update_mouseshape(SHAPE_IDX_STATUS);
2294 }
2295 # ifdef FEAT_VERTSPLIT
2296 if (!is_drag && drag_sep_line)
2297 {
2298 drag_sep_line = FALSE;
2299 update_mouseshape(SHAPE_IDX_VSEP);
2300 }
2301 # endif
2302 #endif
2303
2304 /*
2305 * Ignore drag and release events if we didn't get a click.
2306 */
2307 if (is_click)
2308 got_click = TRUE;
2309 else
2310 {
2311 if (!got_click) /* didn't get click, ignore */
2312 return FALSE;
2313 if (!is_drag) /* release, reset got_click */
2314 got_click = FALSE;
2315 }
2316
2317 #ifndef FEAT_VISUAL
2318 /*
2319 * ALT is only used for starging/extending Visual mode.
2320 */
2321 if ((mod_mask & MOD_MASK_ALT))
2322 return FALSE;
2323 #endif
2324
2325 /*
2326 * CTRL right mouse button does CTRL-T
2327 */
2328 if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2329 {
2330 if (State & INSERT)
2331 stuffcharReadbuff(Ctrl_O);
2332 if (count > 1)
2333 stuffnumReadbuff(count);
2334 stuffcharReadbuff(Ctrl_T);
2335 got_click = FALSE; /* ignore drag&release now */
2336 return FALSE;
2337 }
2338
2339 /*
2340 * CTRL only works with left mouse button
2341 */
2342 if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2343 return FALSE;
2344
2345 /*
2346 * When a modifier is down, ignore drag and release events, as well as
2347 * multiple clicks and the middle mouse button.
2348 * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2349 */
2350 if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2351 | MOD_MASK_META))
2352 && (!is_click
2353 || (mod_mask & MOD_MASK_MULTI_CLICK)
2354 || which_button == MOUSE_MIDDLE)
2355 && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2356 && mouse_model_popup()
2357 && which_button == MOUSE_LEFT)
2358 && !((mod_mask & MOD_MASK_ALT)
2359 && !mouse_model_popup()
2360 && which_button == MOUSE_RIGHT)
2361 )
2362 return FALSE;
2363
2364 /*
2365 * If the button press was used as the movement command for an operator
2366 * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2367 * drag/release events.
2368 */
2369 if (!is_click && which_button == MOUSE_MIDDLE)
2370 return FALSE;
2371
2372 if (oap != NULL)
2373 regname = oap->regname;
2374 else
2375 regname = 0;
2376
2377 /*
2378 * Middle mouse button does a 'put' of the selected text
2379 */
2380 if (which_button == MOUSE_MIDDLE)
2381 {
2382 if (State == NORMAL)
2383 {
2384 /*
2385 * If an operator was pending, we don't know what the user wanted
2386 * to do. Go back to normal mode: Clear the operator and beep().
2387 */
2388 if (oap != NULL && oap->op_type != OP_NOP)
2389 {
2390 clearopbeep(oap);
2391 return FALSE;
2392 }
2393
2394 #ifdef FEAT_VISUAL
2395 /*
2396 * If visual was active, yank the highlighted text and put it
2397 * before the mouse pointer position.
2398 * In Select mode replace the highlighted text with the clipboard.
2399 */
2400 if (VIsual_active)
2401 {
2402 if (VIsual_select)
2403 {
2404 stuffcharReadbuff(Ctrl_G);
2405 stuffReadbuff((char_u *)"\"+p");
2406 }
2407 else
2408 {
2409 stuffcharReadbuff('y');
2410 stuffcharReadbuff(K_MIDDLEMOUSE);
2411 }
2412 do_always = TRUE; /* ignore 'mouse' setting next time */
2413 return FALSE;
2414 }
2415 #endif
2416 /*
2417 * The rest is below jump_to_mouse()
2418 */
2419 }
2420
2421 else if ((State & INSERT) == 0)
2422 return FALSE;
2423
2424 /*
2425 * Middle click in insert mode doesn't move the mouse, just insert the
2426 * contents of a register. '.' register is special, can't insert that
2427 * with do_put().
2428 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2429 * happens for the GUI).
2430 */
2431 if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2432 {
2433 if (regname == '.')
2434 insert_reg(regname, TRUE);
2435 else
2436 {
2437 #ifdef FEAT_CLIPBOARD
2438 if (clip_star.available && regname == 0)
2439 regname = '*';
2440 #endif
2441 if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2442 insert_reg(regname, TRUE);
2443 else
2444 {
2445 do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2446
2447 /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2448 AppendCharToRedobuff(Ctrl_R);
2449 AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2450 AppendCharToRedobuff(regname == 0 ? '"' : regname);
2451 }
2452 }
2453 return FALSE;
2454 }
2455 }
2456
2457 /* When dragging or button-up stay in the same window. */
2458 if (!is_click)
2459 jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2460
2461 start_visual.lnum = 0;
2462
2463 #ifdef FEAT_WINDOWS
2464 /* Check for clicking in the tab page line. */
2465 if (mouse_row == 0 && firstwin->w_winrow > 0)
2466 {
2467 got_click = FALSE; /* ignore mouse-up and drag events */
2468
2469 /* click in a tab selects that tab page */
2470 if (is_click
2471 # ifdef FEAT_CMDWIN
2472 && cmdwin_type == 0
2473 # endif
2474 && mouse_col < Columns)
2475 {
2476 c1 = TabPageIdxs[mouse_col];
2477 if (c1 >= 0)
2478 {
2479 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2480 {
2481 /* double click opens new page */
2482 end_visual_mode();
2483 tabpage_new();
2484 tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2485 }
2486 else
2487 {
2488 /* Go to specified tab page, or next one if not clicking
2489 * on a label. */
2490 goto_tabpage(c1);
2491
2492 /* It's like clicking on the status line of a window. */
2493 if (curwin != old_curwin)
2494 end_visual_mode();
2495 }
2496 }
2497 else if (c1 < 0)
2498 {
2499 tabpage_T *tp;
2500
2501 /* Close the current or specified tab page. */
2502 if (c1 == -999)
2503 tp = curtab;
2504 else
2505 tp = find_tabpage(-c1);
2506 if (tp == curtab)
2507 {
2508 if (first_tabpage->tp_next != NULL)
2509 tabpage_close(FALSE);
2510 }
2511 else if (tp != NULL)
2512 tabpage_close_other(tp, FALSE);
2513 }
2514 }
2515 return TRUE;
2516 }
2517 #endif
2518
2519 /*
2520 * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2521 * right button up -> pop-up menu
2522 * shift-left button -> right button
2523 * alt-left button -> alt-right button
2524 */
2525 if (mouse_model_popup())
2526 {
2527 if (which_button == MOUSE_RIGHT
2528 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2529 {
2530 /*
2531 * NOTE: Ignore right button down and drag mouse events.
2532 * Windows only shows the popup menu on the button up event.
2533 */
2534 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2535 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) \
2536 || defined(FEAT_GUI_MACVIM)
2537 if (!is_click)
2538 return FALSE;
2539 #endif
2540 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2541 if (is_click || is_drag)
2542 return FALSE;
2543 #endif
2544 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2545 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2546 || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON) \
2547 || defined(FEAT_GUI_MACVIM)
2548 if (gui.in_use)
2549 {
2550 jump_flags = 0;
2551 if (STRCMP(p_mousem, "popup_setpos") == 0)
2552 {
2553 /* First set the cursor position before showing the popup
2554 * menu. */
2555 #ifdef FEAT_VISUAL
2556 if (VIsual_active)
2557 {
2558 pos_T m_pos;
2559
2560 /*
2561 * set MOUSE_MAY_STOP_VIS if we are outside the
2562 * selection or the current window (might have false
2563 * negative here)
2564 */
2565 if (mouse_row < W_WINROW(curwin)
2566 || mouse_row
2567 > (W_WINROW(curwin) + curwin->w_height))
2568 jump_flags = MOUSE_MAY_STOP_VIS;
2569 else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2570 jump_flags = MOUSE_MAY_STOP_VIS;
2571 else
2572 {
2573 if ((lt(curwin->w_cursor, VIsual)
2574 && (lt(m_pos, curwin->w_cursor)
2575 || lt(VIsual, m_pos)))
2576 || (lt(VIsual, curwin->w_cursor)
2577 && (lt(m_pos, VIsual)
2578 || lt(curwin->w_cursor, m_pos))))
2579 {
2580 jump_flags = MOUSE_MAY_STOP_VIS;
2581 }
2582 else if (VIsual_mode == Ctrl_V)
2583 {
2584 getvcols(curwin, &curwin->w_cursor, &VIsual,
2585 &leftcol, &rightcol);
2586 getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2587 if (m_pos.col < leftcol || m_pos.col > rightcol)
2588 jump_flags = MOUSE_MAY_STOP_VIS;
2589 }
2590 }
2591 }
2592 else
2593 jump_flags = MOUSE_MAY_STOP_VIS;
2594 #endif
2595 }
2596 if (jump_flags)
2597 {
2598 jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2599 update_curbuf(
2600 #ifdef FEAT_VISUAL
2601 VIsual_active ? INVERTED :
2602 #endif
2603 VALID);
2604 setcursor();
2605 out_flush(); /* Update before showing popup menu */
2606 }
2607 # ifdef FEAT_MENU
2608 gui_show_popupmenu();
2609 # endif
2610 return (jump_flags & CURSOR_MOVED) != 0;
2611 }
2612 else
2613 return FALSE;
2614 #else
2615 return FALSE;
2616 #endif
2617 }
2618 if (which_button == MOUSE_LEFT
2619 && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2620 {
2621 which_button = MOUSE_RIGHT;
2622 mod_mask &= ~MOD_MASK_SHIFT;
2623 }
2624 }
2625
2626 #ifdef FEAT_VISUAL
2627 if ((State & (NORMAL | INSERT))
2628 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2629 {
2630 if (which_button == MOUSE_LEFT)
2631 {
2632 if (is_click)
2633 {
2634 /* stop Visual mode for a left click in a window, but not when
2635 * on a status line */
2636 if (VIsual_active)
2637 jump_flags |= MOUSE_MAY_STOP_VIS;
2638 }
2639 else if (mouse_has(MOUSE_VISUAL))
2640 jump_flags |= MOUSE_MAY_VIS;
2641 }
2642 else if (which_button == MOUSE_RIGHT)
2643 {
2644 if (is_click && VIsual_active)
2645 {
2646 /*
2647 * Remember the start and end of visual before moving the
2648 * cursor.
2649 */
2650 if (lt(curwin->w_cursor, VIsual))
2651 {
2652 start_visual = curwin->w_cursor;
2653 end_visual = VIsual;
2654 }
2655 else
2656 {
2657 start_visual = VIsual;
2658 end_visual = curwin->w_cursor;
2659 }
2660 }
2661 jump_flags |= MOUSE_FOCUS;
2662 if (mouse_has(MOUSE_VISUAL))
2663 jump_flags |= MOUSE_MAY_VIS;
2664 }
2665 }
2666 #endif
2667
2668 /*
2669 * If an operator is pending, ignore all drags and releases until the
2670 * next mouse click.
2671 */
2672 if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2673 {
2674 got_click = FALSE;
2675 oap->motion_type = MCHAR;
2676 }
2677
2678 /* When releasing the button let jump_to_mouse() know. */
2679 if (!is_click && !is_drag)
2680 jump_flags |= MOUSE_RELEASED;
2681
2682 /*
2683 * JUMP!
2684 */
2685 jump_flags = jump_to_mouse(jump_flags,
2686 oap == NULL ? NULL : &(oap->inclusive), which_button);
2687 moved = (jump_flags & CURSOR_MOVED);
2688 in_status_line = (jump_flags & IN_STATUS_LINE);
2689 #ifdef FEAT_VERTSPLIT
2690 in_sep_line = (jump_flags & IN_SEP_LINE);
2691 #endif
2692
2693 #ifdef FEAT_NETBEANS_INTG
2694 if (usingNetbeans && isNetbeansBuffer(curbuf)
2695 && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2696 {
2697 int key = KEY2TERMCAP1(c);
2698
2699 if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2700 || key == (int)KE_RIGHTRELEASE)
2701 netbeans_button_release(which_button);
2702 }
2703 #endif
2704
2705 /* When jumping to another window, clear a pending operator. That's a bit
2706 * friendlier than beeping and not jumping to that window. */
2707 if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2708 clearop(oap);
2709
2710 #ifdef FEAT_FOLDING
2711 if (mod_mask == 0
2712 && !is_drag
2713 && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2714 && which_button == MOUSE_LEFT)
2715 {
2716 /* open or close a fold at this line */
2717 if (jump_flags & MOUSE_FOLD_OPEN)
2718 openFold(curwin->w_cursor.lnum, 1L);
2719 else
2720 closeFold(curwin->w_cursor.lnum, 1L);
2721 /* don't move the cursor if still in the same window */
2722 if (curwin == old_curwin)
2723 curwin->w_cursor = save_cursor;
2724 }
2725 #endif
2726
2727 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2728 if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2729 {
2730 clip_modeless(which_button, is_click, is_drag);
2731 return FALSE;
2732 }
2733 #endif
2734
2735 #ifdef FEAT_VISUAL
2736 /* Set global flag that we are extending the Visual area with mouse
2737 * dragging; temporarily minimize 'scrolloff'. */
2738 if (VIsual_active && is_drag && p_so)
2739 {
2740 /* In the very first line, allow scrolling one line */
2741 if (mouse_row == 0)
2742 mouse_dragging = 2;
2743 else
2744 mouse_dragging = 1;
2745 }
2746
2747 /* When dragging the mouse above the window, scroll down. */
2748 if (is_drag && mouse_row < 0 && !in_status_line)
2749 {
2750 scroll_redraw(FALSE, 1L);
2751 mouse_row = 0;
2752 }
2753
2754 if (start_visual.lnum) /* right click in visual mode */
2755 {
2756 /* When ALT is pressed make Visual mode blockwise. */
2757 if (mod_mask & MOD_MASK_ALT)
2758 VIsual_mode = Ctrl_V;
2759
2760 /*
2761 * In Visual-block mode, divide the area in four, pick up the corner
2762 * that is in the quarter that the cursor is in.
2763 */
2764 if (VIsual_mode == Ctrl_V)
2765 {
2766 getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2767 if (curwin->w_curswant > (leftcol + rightcol) / 2)
2768 end_visual.col = leftcol;
2769 else
2770 end_visual.col = rightcol;
2771 if (curwin->w_cursor.lnum <
2772 (start_visual.lnum + end_visual.lnum) / 2)
2773 end_visual.lnum = end_visual.lnum;
2774 else
2775 end_visual.lnum = start_visual.lnum;
2776
2777 /* move VIsual to the right column */
2778 start_visual = curwin->w_cursor; /* save the cursor pos */
2779 curwin->w_cursor = end_visual;
2780 coladvance(end_visual.col);
2781 VIsual = curwin->w_cursor;
2782 curwin->w_cursor = start_visual; /* restore the cursor */
2783 }
2784 else
2785 {
2786 /*
2787 * If the click is before the start of visual, change the start.
2788 * If the click is after the end of visual, change the end. If
2789 * the click is inside the visual, change the closest side.
2790 */
2791 if (lt(curwin->w_cursor, start_visual))
2792 VIsual = end_visual;
2793 else if (lt(end_visual, curwin->w_cursor))
2794 VIsual = start_visual;
2795 else
2796 {
2797 /* In the same line, compare column number */
2798 if (end_visual.lnum == start_visual.lnum)
2799 {
2800 if (curwin->w_cursor.col - start_visual.col >
2801 end_visual.col - curwin->w_cursor.col)
2802 VIsual = start_visual;
2803 else
2804 VIsual = end_visual;
2805 }
2806
2807 /* In different lines, compare line number */
2808 else
2809 {
2810 diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2811 (end_visual.lnum - curwin->w_cursor.lnum);
2812
2813 if (diff > 0) /* closest to end */
2814 VIsual = start_visual;
2815 else if (diff < 0) /* closest to start */
2816 VIsual = end_visual;
2817 else /* in the middle line */
2818 {
2819 if (curwin->w_cursor.col <
2820 (start_visual.col + end_visual.col) / 2)
2821 VIsual = end_visual;
2822 else
2823 VIsual = start_visual;
2824 }
2825 }
2826 }
2827 }
2828 }
2829 /*
2830 * If Visual mode started in insert mode, execute "CTRL-O"
2831 */
2832 else if ((State & INSERT) && VIsual_active)
2833 stuffcharReadbuff(Ctrl_O);
2834 #endif
2835
2836 /*
2837 * Middle mouse click: Put text before cursor.
2838 */
2839 if (which_button == MOUSE_MIDDLE)
2840 {
2841 #ifdef FEAT_CLIPBOARD
2842 if (clip_star.available && regname == 0)
2843 regname = '*';
2844 #endif
2845 if (yank_register_mline(regname))
2846 {
2847 if (mouse_past_bottom)
2848 dir = FORWARD;
2849 }
2850 else if (mouse_past_eol)
2851 dir = FORWARD;
2852
2853 if (fixindent)
2854 {
2855 c1 = (dir == BACKWARD) ? '[' : ']';
2856 c2 = 'p';
2857 }
2858 else
2859 {
2860 c1 = (dir == FORWARD) ? 'p' : 'P';
2861 c2 = NUL;
2862 }
2863 prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2864
2865 /*
2866 * Remember where the paste started, so in edit() Insstart can be set
2867 * to this position
2868 */
2869 if (restart_edit != 0)
2870 where_paste_started = curwin->w_cursor;
2871 do_put(regname, dir, count, fixindent | PUT_CURSEND);
2872 }
2873
2874 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2875 /*
2876 * Ctrl-Mouse click or double click in a quickfix window jumps to the
2877 * error under the mouse pointer.
2878 */
2879 else if (((mod_mask & MOD_MASK_CTRL)
2880 || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2881 && bt_quickfix(curbuf))
2882 {
2883 if (State & INSERT)
2884 stuffcharReadbuff(Ctrl_O);
2885 if (curwin->w_llist_ref == NULL) /* quickfix window */
2886 stuffReadbuff((char_u *)":.cc\n");
2887 else /* location list window */
2888 stuffReadbuff((char_u *)":.ll\n");
2889 got_click = FALSE; /* ignore drag&release now */
2890 }
2891 #endif
2892
2893 /*
2894 * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2895 * under the mouse pointer.
2896 */
2897 else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2898 && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2899 {
2900 if (State & INSERT)
2901 stuffcharReadbuff(Ctrl_O);
2902 stuffcharReadbuff(Ctrl_RSB);
2903 got_click = FALSE; /* ignore drag&release now */
2904 }
2905
2906 /*
2907 * Shift-Mouse click searches for the next occurrence of the word under
2908 * the mouse pointer
2909 */
2910 else if ((mod_mask & MOD_MASK_SHIFT))
2911 {
2912 if (State & INSERT
2913 #ifdef FEAT_VISUAL
2914 || (VIsual_active && VIsual_select)
2915 #endif
2916 )
2917 stuffcharReadbuff(Ctrl_O);
2918 if (which_button == MOUSE_LEFT)
2919 stuffcharReadbuff('*');
2920 else /* MOUSE_RIGHT */
2921 stuffcharReadbuff('#');
2922 }
2923
2924 /* Handle double clicks, unless on status line */
2925 else if (in_status_line)
2926 {
2927 #ifdef FEAT_MOUSESHAPE
2928 if ((is_drag || is_click) && !drag_status_line)
2929 {
2930 drag_status_line = TRUE;
2931 update_mouseshape(-1);
2932 }
2933 #endif
2934 }
2935 #ifdef FEAT_VERTSPLIT
2936 else if (in_sep_line)
2937 {
2938 # ifdef FEAT_MOUSESHAPE
2939 if ((is_drag || is_click) && !drag_sep_line)
2940 {
2941 drag_sep_line = TRUE;
2942 update_mouseshape(-1);
2943 }
2944 # endif
2945 }
2946 #endif
2947 #ifdef FEAT_VISUAL
2948 else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2949 && mouse_has(MOUSE_VISUAL))
2950 {
2951 if (is_click || !VIsual_active)
2952 {
2953 if (VIsual_active)
2954 orig_cursor = VIsual;
2955 else
2956 {
2957 check_visual_highlight();
2958 VIsual = curwin->w_cursor;
2959 orig_cursor = VIsual;
2960 VIsual_active = TRUE;
2961 VIsual_reselect = TRUE;
2962 /* start Select mode if 'selectmode' contains "mouse" */
2963 may_start_select('o');
2964 setmouse();
2965 }
2966 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2967 {
2968 /* Double click with ALT pressed makes it blockwise. */
2969 if (mod_mask & MOD_MASK_ALT)
2970 VIsual_mode = Ctrl_V;
2971 else
2972 VIsual_mode = 'v';
2973 }
2974 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
2975 VIsual_mode = 'V';
2976 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
2977 VIsual_mode = Ctrl_V;
2978 #ifdef FEAT_CLIPBOARD
2979 /* Make sure the clipboard gets updated. Needed because start and
2980 * end may still be the same, and the selection needs to be owned */
2981 clip_star.vmode = NUL;
2982 #endif
2983 }
2984 /*
2985 * A double click selects a word or a block.
2986 */
2987 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2988 {
2989 pos_T *pos = NULL;
2990 int gc;
2991
2992 if (is_click)
2993 {
2994 /* If the character under the cursor (skipping white space) is
2995 * not a word character, try finding a match and select a (),
2996 * {}, [], #if/#endif, etc. block. */
2997 end_visual = curwin->w_cursor;
2998 while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
2999 inc(&end_visual);
3000 if (oap != NULL)
3001 oap->motion_type = MCHAR;
3002 if (oap != NULL
3003 && VIsual_mode == 'v'
3004 && !vim_iswordc(gchar_pos(&end_visual))
3005 && equalpos(curwin->w_cursor, VIsual)
3006 && (pos = findmatch(oap, NUL)) != NULL)
3007 {
3008 curwin->w_cursor = *pos;
3009 if (oap->motion_type == MLINE)
3010 VIsual_mode = 'V';
3011 else if (*p_sel == 'e')
3012 {
3013 if (lt(curwin->w_cursor, VIsual))
3014 ++VIsual.col;
3015 else
3016 ++curwin->w_cursor.col;
3017 }
3018 }
3019 }
3020
3021 if (pos == NULL && (is_click || is_drag))
3022 {
3023 /* When not found a match or when dragging: extend to include
3024 * a word. */
3025 if (lt(curwin->w_cursor, orig_cursor))
3026 {
3027 find_start_of_word(&curwin->w_cursor);
3028 find_end_of_word(&VIsual);
3029 }
3030 else
3031 {
3032 find_start_of_word(&VIsual);
3033 if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3034 #ifdef FEAT_MBYTE
3035 curwin->w_cursor.col +=
3036 (*mb_ptr2len)(ml_get_cursor());
3037 #else
3038 ++curwin->w_cursor.col;
3039 #endif
3040 find_end_of_word(&curwin->w_cursor);
3041 }
3042 }
3043 curwin->w_set_curswant = TRUE;
3044 }
3045 if (is_click)
3046 redraw_curbuf_later(INVERTED); /* update the inversion */
3047 }
3048 else if (VIsual_active && !old_active)
3049 {
3050 if (mod_mask & MOD_MASK_ALT)
3051 VIsual_mode = Ctrl_V;
3052 else
3053 VIsual_mode = 'v';
3054 }
3055
3056 /* If Visual mode changed show it later. */
3057 if ((!VIsual_active && old_active && mode_displayed)
3058 || (VIsual_active && p_smd && msg_silent == 0
3059 && (!old_active || VIsual_mode != old_mode)))
3060 redraw_cmdline = TRUE;
3061 #endif
3062
3063 return moved;
3064 }
3065
3066 #ifdef FEAT_VISUAL
3067 /*
3068 * Move "pos" back to the start of the word it's in.
3069 */
3070 static void
3071 find_start_of_word(pos)
3072 pos_T *pos;
3073 {
3074 char_u *line;
3075 int cclass;
3076 int col;
3077
3078 line = ml_get(pos->lnum);
3079 cclass = get_mouse_class(line + pos->col);
3080
3081 while (pos->col > 0)
3082 {
3083 col = pos->col - 1;
3084 #ifdef FEAT_MBYTE
3085 col -= (*mb_head_off)(line, line + col);
3086 #endif
3087 if (get_mouse_class(line + col) != cclass)
3088 break;
3089 pos->col = col;
3090 }
3091 }
3092
3093 /*
3094 * Move "pos" forward to the end of the word it's in.
3095 * When 'selection' is "exclusive", the position is just after the word.
3096 */
3097 static void
3098 find_end_of_word(pos)
3099 pos_T *pos;
3100 {
3101 char_u *line;
3102 int cclass;
3103 int col;
3104
3105 line = ml_get(pos->lnum);
3106 if (*p_sel == 'e' && pos->col > 0)
3107 {
3108 --pos->col;
3109 #ifdef FEAT_MBYTE
3110 pos->col -= (*mb_head_off)(line, line + pos->col);
3111 #endif
3112 }
3113 cclass = get_mouse_class(line + pos->col);
3114 while (line[pos->col] != NUL)
3115 {
3116 #ifdef FEAT_MBYTE
3117 col = pos->col + (*mb_ptr2len)(line + pos->col);
3118 #else
3119 col = pos->col + 1;
3120 #endif
3121 if (get_mouse_class(line + col) != cclass)
3122 {
3123 if (*p_sel == 'e')
3124 pos->col = col;
3125 break;
3126 }
3127 pos->col = col;
3128 }
3129 }
3130
3131 /*
3132 * Get class of a character for selection: same class means same word.
3133 * 0: blank
3134 * 1: punctuation groups
3135 * 2: normal word character
3136 * >2: multi-byte word character.
3137 */
3138 static int
3139 get_mouse_class(p)
3140 char_u *p;
3141 {
3142 int c;
3143
3144 #ifdef FEAT_MBYTE
3145 if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3146 return mb_get_class(p);
3147 #endif
3148
3149 c = *p;
3150 if (c == ' ' || c == '\t')
3151 return 0;
3152
3153 if (vim_iswordc(c))
3154 return 2;
3155
3156 /*
3157 * There are a few special cases where we want certain combinations of
3158 * characters to be considered as a single word. These are things like
3159 * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
3160 * character is in it's own class.
3161 */
3162 if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3163 return 1;
3164 return c;
3165 }
3166 #endif /* FEAT_VISUAL */
3167 #endif /* FEAT_MOUSE */
3168
3169 #if defined(FEAT_VISUAL) || defined(PROTO)
3170 /*
3171 * Check if highlighting for visual mode is possible, give a warning message
3172 * if not.
3173 */
3174 void
3175 check_visual_highlight()
3176 {
3177 static int did_check = FALSE;
3178
3179 if (full_screen)
3180 {
3181 if (!did_check && hl_attr(HLF_V) == 0)
3182 MSG(_("Warning: terminal cannot highlight"));
3183 did_check = TRUE;
3184 }
3185 }
3186
3187 /*
3188 * End Visual mode.
3189 * This function should ALWAYS be called to end Visual mode, except from
3190 * do_pending_operator().
3191 */
3192 void
3193 end_visual_mode()
3194 {
3195 #ifdef FEAT_CLIPBOARD
3196 /*
3197 * If we are using the clipboard, then remember what was selected in case
3198 * we need to paste it somewhere while we still own the selection.
3199 * Only do this when the clipboard is already owned. Don't want to grab
3200 * the selection when hitting ESC.
3201 */
3202 if (clip_star.available && clip_star.owned)
3203 clip_auto_select();
3204 #endif
3205
3206 VIsual_active = FALSE;
3207 #ifdef FEAT_MOUSE
3208 setmouse();
3209 mouse_dragging = 0;
3210 #endif
3211
3212 /* Save the current VIsual area for '< and '> marks, and "gv" */
3213 curbuf->b_visual.vi_mode = VIsual_mode;
3214 curbuf->b_visual.vi_start = VIsual;
3215 curbuf->b_visual.vi_end = curwin->w_cursor;
3216 curbuf->b_visual.vi_curswant = curwin->w_curswant;
3217 #ifdef FEAT_EVAL
3218 curbuf->b_visual_mode_eval = VIsual_mode;
3219 #endif
3220 #ifdef FEAT_VIRTUALEDIT
3221 if (!virtual_active())
3222 curwin->w_cursor.coladd = 0;
3223 #endif
3224
3225 if (mode_displayed)
3226 clear_cmdline = TRUE; /* unshow visual mode later */
3227 #ifdef FEAT_CMDL_INFO
3228 else
3229 clear_showcmd();
3230 #endif
3231
3232 adjust_cursor_eol();
3233 }
3234
3235 /*
3236 * Reset VIsual_active and VIsual_reselect.
3237 */
3238 void
3239 reset_VIsual_and_resel()
3240 {
3241 if (VIsual_active)
3242 {
3243 end_visual_mode();
3244 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3245 }
3246 VIsual_reselect = FALSE;
3247 }
3248
3249 /*
3250 * Reset VIsual_active and VIsual_reselect if it's set.
3251 */
3252 void
3253 reset_VIsual()
3254 {
3255 if (VIsual_active)
3256 {
3257 end_visual_mode();
3258 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3259 VIsual_reselect = FALSE;
3260 }
3261 }
3262 #endif /* FEAT_VISUAL */
3263
3264 #if defined(FEAT_BEVAL)
3265 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3266
3267 /*
3268 * Check for a balloon-eval special item to include when searching for an
3269 * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
3270 * Returns TRUE if the character at "*ptr" should be included.
3271 * "dir" is FORWARD or BACKWARD, the direction of searching.
3272 * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3273 * "bnp" points to a counter for square brackets.
3274 */
3275 static int
3276 find_is_eval_item(ptr, colp, bnp, dir)
3277 char_u *ptr;
3278 int *colp;
3279 int *bnp;
3280 int dir;
3281 {
3282 /* Accept everything inside []. */
3283 if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3284 ++*bnp;
3285 if (*bnp > 0)
3286 {
3287 if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3288 --*bnp;
3289 return TRUE;
3290 }
3291
3292 /* skip over "s.var" */
3293 if (*ptr == '.')
3294 return TRUE;
3295
3296 /* two-character item: s->var */
3297 if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3298 && ptr[dir == BACKWARD ? -1 : 0] == '-')
3299 {
3300 *colp += dir;
3301 return TRUE;
3302 }
3303 return FALSE;
3304 }
3305 #endif
3306
3307 /*
3308 * Find the identifier under or to the right of the cursor.
3309 * "find_type" can have one of three values:
3310 * FIND_IDENT: find an identifier (keyword)
3311 * FIND_STRING: find any non-white string
3312 * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3313 * FIND_EVAL: find text useful for C program debugging
3314 *
3315 * There are three steps:
3316 * 1. Search forward for the start of an identifier/string. Doesn't move if
3317 * already on one.
3318 * 2. Search backward for the start of this identifier/string.
3319 * This doesn't match the real Vi but I like it a little better and it
3320 * shouldn't bother anyone.
3321 * 3. Search forward to the end of this identifier/string.
3322 * When FIND_IDENT isn't defined, we backup until a blank.
3323 *
3324 * Returns the length of the string, or zero if no string is found.
3325 * If a string is found, a pointer to the string is put in "*string". This
3326 * string is not always NUL terminated.
3327 */
3328 int
3329 find_ident_under_cursor(string, find_type)
3330 char_u **string;
3331 int find_type;
3332 {
3333 return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3334 curwin->w_cursor.col, string, find_type);
3335 }
3336
3337 /*
3338 * Like find_ident_under_cursor(), but for any window and any position.
3339 * However: Uses 'iskeyword' from the current window!.
3340 */
3341 int
3342 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3343 win_T *wp;
3344 linenr_T lnum;
3345 colnr_T startcol;
3346 char_u **string;
3347 int find_type;
3348 {
3349 char_u *ptr;
3350 int col = 0; /* init to shut up GCC */
3351 int i;
3352 #ifdef FEAT_MBYTE
3353 int this_class = 0;
3354 int prev_class;
3355 int prevcol;
3356 #endif
3357 #if defined(FEAT_BEVAL)
3358 int bn = 0; /* bracket nesting */
3359 #endif
3360
3361 /*
3362 * if i == 0: try to find an identifier
3363 * if i == 1: try to find any non-white string
3364 */
3365 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3366 for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
3367 {
3368 /*
3369 * 1. skip to start of identifier/string
3370 */
3371 col = startcol;
3372 #ifdef FEAT_MBYTE
3373 if (has_mbyte)
3374 {
3375 while (ptr[col] != NUL)
3376 {
3377 # if defined(FEAT_BEVAL)
3378 /* Stop at a ']' to evaluate "a[x]". */
3379 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3380 break;
3381 # endif
3382 this_class = mb_get_class(ptr + col);
3383 if (this_class != 0 && (i == 1 || this_class != 1))
3384 break;
3385 col += (*mb_ptr2len)(ptr + col);
3386 }
3387 }
3388 else
3389 #endif
3390 while (ptr[col] != NUL
3391 && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3392 # if defined(FEAT_BEVAL)
3393 && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3394 # endif
3395 )
3396 ++col;
3397
3398 #if defined(FEAT_BEVAL)
3399 /* When starting on a ']' count it, so that we include the '['. */
3400 bn = ptr[col] == ']';
3401 #endif
3402
3403 /*
3404 * 2. Back up to start of identifier/string.
3405 */
3406 #ifdef FEAT_MBYTE
3407 if (has_mbyte)
3408 {
3409 /* Remember class of character under cursor. */
3410 # if defined(FEAT_BEVAL)
3411 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3412 this_class = mb_get_class((char_u *)"a");
3413 else
3414 # endif
3415 this_class = mb_get_class(ptr + col);
3416 while (col > 0 && this_class != 0)
3417 {
3418 prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3419 prev_class = mb_get_class(ptr + prevcol);
3420 if (this_class != prev_class
3421 && (i == 0
3422 || prev_class == 0
3423 || (find_type & FIND_IDENT))
3424 # if defined(FEAT_BEVAL)
3425 && (!(find_type & FIND_EVAL)
3426 || prevcol == 0
3427 || !find_is_eval_item(ptr + prevcol, &prevcol,
3428 &bn, BACKWARD))
3429 # endif
3430 )
3431 break;
3432 col = prevcol;
3433 }
3434
3435 /* If we don't want just any old string, or we've found an
3436 * identifier, stop searching. */
3437 if (this_class > 2)
3438 this_class = 2;
3439 if (!(find_type & FIND_STRING) || this_class == 2)
3440 break;
3441 }
3442 else
3443 #endif
3444 {
3445 while (col > 0
3446 && ((i == 0
3447 ? vim_iswordc(ptr[col - 1])
3448 : (!vim_iswhite(ptr[col - 1])
3449 && (!(find_type & FIND_IDENT)
3450 || !vim_iswordc(ptr[col - 1]))))
3451 #if defined(FEAT_BEVAL)
3452 || ((find_type & FIND_EVAL)
3453 && col > 1
3454 && find_is_eval_item(ptr + col - 1, &col,
3455 &bn, BACKWARD))
3456 #endif
3457 ))
3458 --col;
3459
3460 /* If we don't want just any old string, or we've found an
3461 * identifier, stop searching. */
3462 if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3463 break;
3464 }
3465 }
3466
3467 if (ptr[col] == NUL || (i == 0 && (
3468 #ifdef FEAT_MBYTE
3469 has_mbyte ? this_class != 2 :
3470 #endif
3471 !vim_iswordc(ptr[col]))))
3472 {
3473 /*
3474 * didn't find an identifier or string
3475 */
3476 if (find_type & FIND_STRING)
3477 EMSG(_("E348: No string under cursor"));
3478 else
3479 EMSG(_("E349: No identifier under cursor"));
3480 return 0;
3481 }
3482 ptr += col;
3483 *string = ptr;
3484
3485 /*
3486 * 3. Find the end if the identifier/string.
3487 */
3488 #if defined(FEAT_BEVAL)
3489 bn = 0;
3490 startcol -= col;
3491 #endif
3492 col = 0;
3493 #ifdef FEAT_MBYTE
3494 if (has_mbyte)
3495 {
3496 /* Search for point of changing multibyte character class. */
3497 this_class = mb_get_class(ptr);
3498 while (ptr[col] != NUL
3499 && ((i == 0 ? mb_get_class(ptr + col) == this_class
3500 : mb_get_class(ptr + col) != 0)
3501 # if defined(FEAT_BEVAL)
3502 || ((find_type & FIND_EVAL)
3503 && col <= (int)startcol
3504 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3505 # endif
3506 ))
3507 col += (*mb_ptr2len)(ptr + col);
3508 }
3509 else
3510 #endif
3511 while ((i == 0 ? vim_iswordc(ptr[col])
3512 : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3513 # if defined(FEAT_BEVAL)
3514 || ((find_type & FIND_EVAL)
3515 && col <= (int)startcol
3516 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3517 # endif
3518 )
3519 {
3520 ++col;
3521 }
3522
3523 return col;
3524 }
3525
3526 /*
3527 * Prepare for redo of a normal command.
3528 */
3529 static void
3530 prep_redo_cmd(cap)
3531 cmdarg_T *cap;
3532 {
3533 prep_redo(cap->oap->regname, cap->count0,
3534 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3535 }
3536
3537 /*
3538 * Prepare for redo of any command.
3539 * Note that only the last argument can be a multi-byte char.
3540 */
3541 static void
3542 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3543 int regname;
3544 long num;
3545 int cmd1;
3546 int cmd2;
3547 int cmd3;
3548 int cmd4;
3549 int cmd5;
3550 {
3551 ResetRedobuff();
3552 if (regname != 0) /* yank from specified buffer */
3553 {
3554 AppendCharToRedobuff('"');
3555 AppendCharToRedobuff(regname);
3556 }
3557 if (num)
3558 AppendNumberToRedobuff(num);
3559
3560 if (cmd1 != NUL)
3561 AppendCharToRedobuff(cmd1);
3562 if (cmd2 != NUL)
3563 AppendCharToRedobuff(cmd2);
3564 if (cmd3 != NUL)
3565 AppendCharToRedobuff(cmd3);
3566 if (cmd4 != NUL)
3567 AppendCharToRedobuff(cmd4);
3568 if (cmd5 != NUL)
3569 AppendCharToRedobuff(cmd5);
3570 }
3571
3572 /*
3573 * check for operator active and clear it
3574 *
3575 * return TRUE if operator was active
3576 */
3577 static int
3578 checkclearop(oap)
3579 oparg_T *oap;
3580 {
3581 if (oap->op_type == OP_NOP)
3582 return FALSE;
3583 clearopbeep(oap);
3584 return TRUE;
3585 }
3586
3587 /*
3588 * Check for operator or Visual active. Clear active operator.
3589 *
3590 * Return TRUE if operator or Visual was active.
3591 */
3592 static int
3593 checkclearopq(oap)
3594 oparg_T *oap;
3595 {
3596 if (oap->op_type == OP_NOP
3597 #ifdef FEAT_VISUAL
3598 && !VIsual_active
3599 #endif
3600 )
3601 return FALSE;
3602 clearopbeep(oap);
3603 return TRUE;
3604 }
3605
3606 static void
3607 clearop(oap)
3608 oparg_T *oap;
3609 {
3610 oap->op_type = OP_NOP;
3611 oap->regname = 0;
3612 oap->motion_force = NUL;
3613 oap->use_reg_one = FALSE;
3614 }
3615
3616 static void
3617 clearopbeep(oap)
3618 oparg_T *oap;
3619 {
3620 clearop(oap);
3621 beep_flush();
3622 }
3623
3624 #ifdef FEAT_VISUAL
3625 /*
3626 * Remove the shift modifier from a special key.
3627 */
3628 static void
3629 unshift_special(cap)
3630 cmdarg_T *cap;
3631 {
3632 switch (cap->cmdchar)
3633 {
3634 case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
3635 case K_S_LEFT: cap->cmdchar = K_LEFT; break;
3636 case K_S_UP: cap->cmdchar = K_UP; break;
3637 case K_S_DOWN: cap->cmdchar = K_DOWN; break;
3638 case K_S_HOME: cap->cmdchar = K_HOME; break;
3639 case K_S_END: cap->cmdchar = K_END; break;
3640 }
3641 cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3642 }
3643 #endif
3644
3645 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3646 /*
3647 * Routines for displaying a partly typed command
3648 */
3649
3650 #ifdef FEAT_VISUAL /* need room for size of Visual area */
3651 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3652 #else
3653 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3654 #endif
3655 static char_u showcmd_buf[SHOWCMD_BUFLEN];
3656 static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
3657 static int showcmd_is_clear = TRUE;
3658 static int showcmd_visual = FALSE;
3659
3660 static void display_showcmd __ARGS((void));
3661
3662 void
3663 clear_showcmd()
3664 {
3665 if (!p_sc)
3666 return;
3667
3668 #ifdef FEAT_VISUAL
3669 if (VIsual_active && !char_avail())
3670 {
3671 int i = lt(VIsual, curwin->w_cursor);
3672 long lines;
3673 colnr_T leftcol, rightcol;
3674 linenr_T top, bot;
3675
3676 /* Show the size of the Visual area. */
3677 if (i)
3678 {
3679 top = VIsual.lnum;
3680 bot = curwin->w_cursor.lnum;
3681 }
3682 else
3683 {
3684 top = curwin->w_cursor.lnum;
3685 bot = VIsual.lnum;
3686 }
3687 # ifdef FEAT_FOLDING
3688 /* Include closed folds as a whole. */
3689 hasFolding(top, &top, NULL);
3690 hasFolding(bot, NULL, &bot);
3691 # endif
3692 lines = bot - top + 1;
3693
3694 if (VIsual_mode == Ctrl_V)
3695 {
3696 getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3697 sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3698 (long)(rightcol - leftcol + 1));
3699 }
3700 else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3701 sprintf((char *)showcmd_buf, "%ld", lines);
3702 else
3703 sprintf((char *)showcmd_buf, "%ld", (long)(i
3704 ? curwin->w_cursor.col - VIsual.col
3705 : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3706 showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */
3707 showcmd_visual = TRUE;
3708 }
3709 else
3710 #endif
3711 {
3712 showcmd_buf[0] = NUL;
3713 showcmd_visual = FALSE;
3714
3715 /* Don't actually display something if there is nothing to clear. */
3716 if (showcmd_is_clear)
3717 return;
3718 }
3719
3720 display_showcmd();
3721 }
3722
3723 /*
3724 * Add 'c' to string of shown command chars.
3725 * Return TRUE if output has been written (and setcursor() has been called).
3726 */
3727 int
3728 add_to_showcmd(c)
3729 int c;
3730 {
3731 char_u *p;
3732 int old_len;
3733 int extra_len;
3734 int overflow;
3735 #if defined(FEAT_MOUSE)
3736 int i;
3737 static int ignore[] =
3738 {
3739 # ifdef FEAT_GUI
3740 K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3741 K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3742 # endif
3743 K_IGNORE,
3744 K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3745 K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3746 K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3747 K_MOUSEDOWN, K_MOUSEUP,
3748 K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3749 K_CURSORHOLD,
3750 0
3751 };
3752 #endif
3753
3754 if (!p_sc || msg_silent != 0)
3755 return FALSE;
3756
3757 if (showcmd_visual)
3758 {
3759 showcmd_buf[0] = NUL;
3760 showcmd_visual = FALSE;
3761 }
3762
3763 #if defined(FEAT_MOUSE)
3764 /* Ignore keys that are scrollbar updates and mouse clicks */
3765 if (IS_SPECIAL(c))
3766 for (i = 0; ignore[i] != 0; ++i)
3767 if (ignore[i] == c)
3768 return FALSE;
3769 #endif
3770
3771 p = transchar(c);
3772 old_len = (int)STRLEN(showcmd_buf);
3773 extra_len = (int)STRLEN(p);
3774 overflow = old_len + extra_len - SHOWCMD_COLS;
3775 if (overflow > 0)
3776 mch_memmove(showcmd_buf, showcmd_buf + overflow,
3777 old_len - overflow + 1);
3778 STRCAT(showcmd_buf, p);
3779
3780 if (char_avail())
3781 return FALSE;
3782
3783 display_showcmd();
3784
3785 return TRUE;
3786 }
3787
3788 void
3789 add_to_showcmd_c(c)
3790 int c;
3791 {
3792 if (!add_to_showcmd(c))
3793 setcursor();
3794 }
3795
3796 /*
3797 * Delete 'len' characters from the end of the shown command.
3798 */
3799 static void
3800 del_from_showcmd(len)
3801 int len;
3802 {
3803 int old_len;
3804
3805 if (!p_sc)
3806 return;
3807
3808 old_len = (int)STRLEN(showcmd_buf);
3809 if (len > old_len)
3810 len = old_len;
3811 showcmd_buf[old_len - len] = NUL;
3812
3813 if (!char_avail())
3814 display_showcmd();
3815 }
3816
3817 /*
3818 * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3819 * something and there is a partial mapping.
3820 */
3821 void
3822 push_showcmd()
3823 {
3824 if (p_sc)
3825 STRCPY(old_showcmd_buf, showcmd_buf);
3826 }
3827
3828 void
3829 pop_showcmd()
3830 {
3831 if (!p_sc)
3832 return;
3833
3834 STRCPY(showcmd_buf, old_showcmd_buf);
3835
3836 display_showcmd();
3837 }
3838
3839 static void
3840 display_showcmd()
3841 {
3842 int len;
3843
3844 cursor_off();
3845
3846 len = (int)STRLEN(showcmd_buf);
3847 if (len == 0)
3848 showcmd_is_clear = TRUE;
3849 else
3850 {
3851 screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3852 showcmd_is_clear = FALSE;
3853 }
3854
3855 /*
3856 * clear the rest of an old message by outputting up to SHOWCMD_COLS
3857 * spaces
3858 */
3859 screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0);
3860
3861 setcursor(); /* put cursor back where it belongs */
3862 }
3863 #endif
3864
3865 #ifdef FEAT_SCROLLBIND
3866 /*
3867 * When "check" is FALSE, prepare for commands that scroll the window.
3868 * When "check" is TRUE, take care of scroll-binding after the window has
3869 * scrolled. Called from normal_cmd() and edit().
3870 */
3871 void
3872 do_check_scrollbind(check)
3873 int check;
3874 {
3875 static win_T *old_curwin = NULL;
3876 static linenr_T old_topline = 0;
3877 #ifdef FEAT_DIFF
3878 static int old_topfill = 0;
3879 #endif
3880 static buf_T *old_buf = NULL;
3881 static colnr_T old_leftcol = 0;
3882
3883 if (check && curwin->w_p_scb)
3884 {
3885 /* If a ":syncbind" command was just used, don't scroll, only reset
3886 * the values. */
3887 if (did_syncbind)
3888 did_syncbind = FALSE;
3889 else if (curwin == old_curwin)
3890 {
3891 /*
3892 * Synchronize other windows, as necessary according to
3893 * 'scrollbind'. Don't do this after an ":edit" command, except
3894 * when 'diff' is set.
3895 */
3896 if ((curwin->w_buffer == old_buf
3897 #ifdef FEAT_DIFF
3898 || curwin->w_p_diff
3899 #endif
3900 )
3901 && (curwin->w_topline != old_topline
3902 #ifdef FEAT_DIFF
3903 || curwin->w_topfill != old_topfill
3904 #endif
3905 || curwin->w_leftcol != old_leftcol))
3906 {
3907 check_scrollbind(curwin->w_topline - old_topline,
3908 (long)(curwin->w_leftcol - old_leftcol));
3909 }
3910 }
3911 else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3912 {
3913 /*
3914 * When switching between windows, make sure that the relative
3915 * vertical offset is valid for the new window. The relative
3916 * offset is invalid whenever another 'scrollbind' window has
3917 * scrolled to a point that would force the current window to
3918 * scroll past the beginning or end of its buffer. When the
3919 * resync is performed, some of the other 'scrollbind' windows may
3920 * need to jump so that the current window's relative position is
3921 * visible on-screen.
3922 */
3923 check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3924 }
3925 curwin->w_scbind_pos = curwin->w_topline;
3926 }
3927
3928 old_curwin = curwin;
3929 old_topline = curwin->w_topline;
3930 #ifdef FEAT_DIFF
3931 old_topfill = curwin->w_topfill;
3932 #endif
3933 old_buf = curwin->w_buffer;
3934 old_leftcol = curwin->w_leftcol;
3935 }
3936
3937 /*
3938 * Synchronize any windows that have "scrollbind" set, based on the
3939 * number of rows by which the current window has changed
3940 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
3941 */
3942 void
3943 check_scrollbind(topline_diff, leftcol_diff)
3944 linenr_T topline_diff;
3945 long leftcol_diff;
3946 {
3947 int want_ver;
3948 int want_hor;
3949 win_T *old_curwin = curwin;
3950 buf_T *old_curbuf = curbuf;
3951 #ifdef FEAT_VISUAL
3952 int old_VIsual_select = VIsual_select;
3953 int old_VIsual_active = VIsual_active;
3954 #endif
3955 colnr_T tgt_leftcol = curwin->w_leftcol;
3956 long topline;
3957 long y;
3958
3959 /*
3960 * check 'scrollopt' string for vertical and horizontal scroll options
3961 */
3962 want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
3963 #ifdef FEAT_DIFF
3964 want_ver |= old_curwin->w_p_diff;
3965 #endif
3966 want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
3967
3968 /*
3969 * loop through the scrollbound windows and scroll accordingly
3970 */
3971 #ifdef FEAT_VISUAL
3972 VIsual_select = VIsual_active = 0;
3973 #endif
3974 for (curwin = firstwin; curwin; curwin = curwin->w_next)
3975 {
3976 curbuf = curwin->w_buffer;
3977 /* skip original window and windows with 'noscrollbind' */
3978 if (curwin != old_curwin && curwin->w_p_scb)
3979 {
3980 /*
3981 * do the vertical scroll
3982 */
3983 if (want_ver)
3984 {
3985 #ifdef FEAT_DIFF
3986 if (old_curwin->w_p_diff && curwin->w_p_diff)
3987 {
3988 diff_set_topline(old_curwin, curwin);
3989 }
3990 else
3991 #endif
3992 {
3993 curwin->w_scbind_pos += topline_diff;
3994 topline = curwin->w_scbind_pos;
3995 if (topline > curbuf->b_ml.ml_line_count)
3996 topline = curbuf->b_ml.ml_line_count;
3997 if (topline < 1)
3998 topline = 1;
3999
4000 y = topline - curwin->w_topline;
4001 if (y > 0)
4002 scrollup(y, FALSE);
4003 else
4004 scrolldown(-y, FALSE);
4005 }
4006
4007 redraw_later(VALID);
4008 cursor_correct();
4009 #ifdef FEAT_WINDOWS
4010 curwin->w_redr_status = TRUE;
4011 #endif
4012 }
4013
4014 /*
4015 * do the horizontal scroll
4016 */
4017 if (want_hor && curwin->w_leftcol != tgt_leftcol)
4018 {
4019 curwin->w_leftcol = tgt_leftcol;
4020 leftcol_changed();
4021 }
4022 }
4023 }
4024
4025 /*
4026 * reset current-window
4027 */
4028 #ifdef FEAT_VISUAL
4029 VIsual_select = old_VIsual_select;
4030 VIsual_active = old_VIsual_active;
4031 #endif
4032 curwin = old_curwin;
4033 curbuf = old_curbuf;
4034 }
4035 #endif /* #ifdef FEAT_SCROLLBIND */
4036
4037 /*
4038 * Command character that's ignored.
4039 * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4040 * xon/xoff
4041 */
4042 static void
4043 nv_ignore(cap)
4044 cmdarg_T *cap;
4045 {
4046 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
4047 }
4048
4049 /*
4050 * Command character that doesn't do anything, but unlike nv_ignore() does
4051 * start edit(). Used for "startinsert" executed while starting up.
4052 */
4053 /*ARGSUSED */
4054 static void
4055 nv_nop(cap)
4056 cmdarg_T *cap;
4057 {
4058 }
4059
4060 /*
4061 * Command character doesn't exist.
4062 */
4063 static void
4064 nv_error(cap)
4065 cmdarg_T *cap;
4066 {
4067 clearopbeep(cap->oap);
4068 }
4069
4070 /*
4071 * <Help> and <F1> commands.
4072 */
4073 static void
4074 nv_help(cap)
4075 cmdarg_T *cap;
4076 {
4077 if (!checkclearopq(cap->oap))
4078 ex_help(NULL);
4079 }
4080
4081 /*
4082 * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4083 */
4084 static void
4085 nv_addsub(cap)
4086 cmdarg_T *cap;
4087 {
4088 if (!checkclearopq(cap->oap)
4089 && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4090 prep_redo_cmd(cap);
4091 }
4092
4093 /*
4094 * CTRL-F, CTRL-B, etc: Scroll page up or down.
4095 */
4096 static void
4097 nv_page(cap)
4098 cmdarg_T *cap;
4099 {
4100 if (!checkclearop(cap->oap))
4101 {
4102 #ifdef FEAT_WINDOWS
4103 if (mod_mask & MOD_MASK_CTRL)
4104 {
4105 /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4106 if (cap->arg == BACKWARD)
4107 goto_tabpage(-(int)cap->count1);
4108 else
4109 goto_tabpage((int)cap->count0);
4110 }
4111 else
4112 #endif
4113 (void)onepage(cap->arg, cap->count1);
4114 }
4115 }
4116
4117 /*
4118 * Implementation of "gd" and "gD" command.
4119 */
4120 static void
4121 nv_gd(oap, nchar, thisblock)
4122 oparg_T *oap;
4123 int nchar;
4124 int thisblock; /* 1 for "1gd" and "1gD" */
4125 {
4126 int len;
4127 char_u *ptr;
4128
4129 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4130 || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4131 clearopbeep(oap);
4132 #ifdef FEAT_FOLDING
4133 else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4134 foldOpenCursor();
4135 #endif
4136 }
4137
4138 /*
4139 * Search for variable declaration of "ptr[len]".
4140 * When "locally" is TRUE in the current function ("gd"), otherwise in the
4141 * current file ("gD").
4142 * When "thisblock" is TRUE check the {} block scope.
4143 * Return FAIL when not found.
4144 */
4145 int
4146 find_decl(ptr, len, locally, thisblock, searchflags)
4147 char_u *ptr;
4148 int len;
4149 int locally;
4150 int thisblock;
4151 int searchflags; /* flags passed to searchit() */
4152 {
4153 char_u *pat;
4154 pos_T old_pos;
4155 pos_T par_pos;
4156 pos_T found_pos;
4157 int t;
4158 int save_p_ws;
4159 int save_p_scs;
4160 int retval = OK;
4161 int incll;
4162
4163 if ((pat = alloc(len + 7)) == NULL)
4164 return FAIL;
4165
4166 /* Put "\V" before the pattern to avoid that the special meaning of "."
4167 * and "~" causes trouble. */
4168 sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4169 len, ptr);
4170 old_pos = curwin->w_cursor;
4171 save_p_ws = p_ws;
4172 save_p_scs = p_scs;
4173 p_ws = FALSE; /* don't wrap around end of file now */
4174 p_scs = FALSE; /* don't switch ignorecase off now */
4175
4176 /*
4177 * With "gD" go to line 1.
4178 * With "gd" Search back for the start of the current function, then go
4179 * back until a blank line. If this fails go to line 1.
4180 */
4181 if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4182 {
4183 setpcmark(); /* Set in findpar() otherwise */
4184 curwin->w_cursor.lnum = 1;
4185 par_pos = curwin->w_cursor;
4186 }
4187 else
4188 {
4189 par_pos = curwin->w_cursor;
4190 while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4191 --curwin->w_cursor.lnum;
4192 }
4193 curwin->w_cursor.col = 0;
4194
4195 /* Search forward for the identifier, ignore comment lines. */
4196 clearpos(&found_pos);
4197 for (;;)
4198 {
4199 t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4200 pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
4201 if (curwin->w_cursor.lnum >= old_pos.lnum)
4202 t = FAIL; /* match after start is failure too */
4203
4204 if (thisblock && t != FAIL)
4205 {
4206 pos_T *pos;
4207
4208 /* Check that the block the match is in doesn't end before the
4209 * position where we started the search from. */
4210 if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4211 (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4212 && pos->lnum < old_pos.lnum)
4213 continue;
4214 }
4215
4216 if (t == FAIL)
4217 {
4218 /* If we previously found a valid position, use it. */
4219 if (found_pos.lnum != 0)
4220 {
4221 curwin->w_cursor = found_pos;
4222 t = OK;
4223 }
4224 break;
4225 }
4226 #ifdef FEAT_COMMENTS
4227 if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4228 {
4229 /* Ignore this line, continue at start of next line. */
4230 ++curwin->w_cursor.lnum;
4231 curwin->w_cursor.col = 0;
4232 continue;
4233 }
4234 #endif
4235 if (!locally) /* global search: use first match found */
4236 break;
4237 if (curwin->w_cursor.lnum >= par_pos.lnum)
4238 {
4239 /* If we previously found a valid position, use it. */
4240 if (found_pos.lnum != 0)
4241 curwin->w_cursor = found_pos;
4242 break;
4243 }
4244
4245 /* For finding a local variable and the match is before the "{" search
4246 * to find a later match. For K&R style function declarations this
4247 * skips the function header without types. */
4248 found_pos = curwin->w_cursor;
4249 }
4250
4251 if (t == FAIL)
4252 {
4253 retval = FAIL;
4254 curwin->w_cursor = old_pos;
4255 }
4256 else
4257 {
4258 curwin->w_set_curswant = TRUE;
4259 /* "n" searches forward now */
4260 reset_search_dir();
4261 }
4262
4263 vim_free(pat);
4264 p_ws = save_p_ws;
4265 p_scs = save_p_scs;
4266
4267 return retval;
4268 }
4269
4270 /*
4271 * Move 'dist' lines in direction 'dir', counting lines by *screen*
4272 * lines rather than lines in the file.
4273 * 'dist' must be positive.
4274 *
4275 * Return OK if able to move cursor, FAIL otherwise.
4276 */
4277 static int
4278 nv_screengo(oap, dir, dist)
4279 oparg_T *oap;
4280 int dir;
4281 long dist;
4282 {
4283 int linelen = linetabsize(ml_get_curline());
4284 int retval = OK;
4285 int atend = FALSE;
4286 int n;
4287 int col_off1; /* margin offset for first screen line */
4288 int col_off2; /* margin offset for wrapped screen line */
4289 int width1; /* text width for first screen line */
4290 int width2; /* test width for wrapped screen line */
4291
4292 oap->motion_type = MCHAR;
4293 oap->inclusive = FALSE;
4294
4295 col_off1 = curwin_col_off();
4296 col_off2 = col_off1 - curwin_col_off2();
4297 width1 = W_WIDTH(curwin) - col_off1;
4298 width2 = W_WIDTH(curwin) - col_off2;
4299
4300 #ifdef FEAT_VERTSPLIT
4301 if (curwin->w_width != 0)
4302 {
4303 #endif
4304 /*
4305 * Instead of sticking at the last character of the buffer line we
4306 * try to stick in the last column of the screen.
4307 */
4308 if (curwin->w_curswant == MAXCOL)
4309 {
4310 atend = TRUE;
4311 validate_virtcol();
4312 if (width1 <= 0)
4313 curwin->w_curswant = 0;
4314 else
4315 {
4316 curwin->w_curswant = width1 - 1;
4317 if (curwin->w_virtcol > curwin->w_curswant)
4318 curwin->w_curswant += ((curwin->w_virtcol
4319 - curwin->w_curswant - 1) / width2 + 1) * width2;
4320 }
4321 }
4322 else
4323 {
4324 if (linelen > width1)
4325 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4326 else
4327 n = width1;
4328 if (curwin->w_curswant > (colnr_T)n + 1)
4329 curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4330 * width2;
4331 }
4332
4333 while (dist--)
4334 {
4335 if (dir == BACKWARD)
4336 {
4337 if ((long)curwin->w_curswant >= width2)
4338 /* move back within line */
4339 curwin->w_curswant -= width2;
4340 else
4341 {
4342 /* to previous line */
4343 if (curwin->w_cursor.lnum == 1)
4344 {
4345 retval = FAIL;
4346 break;
4347 }
4348 --curwin->w_cursor.lnum;
4349 #ifdef FEAT_FOLDING
4350 /* Move to the start of a closed fold. Don't do that when
4351 * 'foldopen' contains "all": it will open in a moment. */
4352 if (!(fdo_flags & FDO_ALL))
4353 (void)hasFolding(curwin->w_cursor.lnum,
4354 &curwin->w_cursor.lnum, NULL);
4355 #endif
4356 linelen = linetabsize(ml_get_curline());
4357 if (linelen > width1)
4358 curwin->w_curswant += (((linelen - width1 - 1) / width2)
4359 + 1) * width2;
4360 }
4361 }
4362 else /* dir == FORWARD */
4363 {
4364 if (linelen > width1)
4365 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4366 else
4367 n = width1;
4368 if (curwin->w_curswant + width2 < (colnr_T)n)
4369 /* move forward within line */
4370 curwin->w_curswant += width2;
4371 else
4372 {
4373 /* to next line */
4374 #ifdef FEAT_FOLDING
4375 /* Move to the end of a closed fold. */
4376 (void)hasFolding(curwin->w_cursor.lnum, NULL,
4377 &curwin->w_cursor.lnum);
4378 #endif
4379 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4380 {
4381 retval = FAIL;
4382 break;
4383 }
4384 curwin->w_cursor.lnum++;
4385 curwin->w_curswant %= width2;
4386 }
4387 }
4388 }
4389 #ifdef FEAT_VERTSPLIT
4390 }
4391 #endif
4392
4393 coladvance(curwin->w_curswant);
4394
4395 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4396 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4397 {
4398 /*
4399 * Check for landing on a character that got split at the end of the
4400 * last line. We want to advance a screenline, not end up in the same
4401 * screenline or move two screenlines.
4402 */
4403 validate_virtcol();
4404 if (curwin->w_virtcol > curwin->w_curswant
4405 && (curwin->w_curswant < (colnr_T)width1
4406 ? (curwin->w_curswant > (colnr_T)width1 / 2)
4407 : ((curwin->w_curswant - width1) % width2
4408 > (colnr_T)width2 / 2)))
4409 --curwin->w_cursor.col;
4410 }
4411 #endif
4412
4413 if (atend)
4414 curwin->w_curswant = MAXCOL; /* stick in the last column */
4415
4416 return retval;
4417 }
4418
4419 #ifdef FEAT_MOUSE
4420 /*
4421 * Mouse scroll wheel: Default action is to scroll three lines, or one page
4422 * when Shift or Ctrl is used.
4423 * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4424 */
4425 static void
4426 nv_mousescroll(cap)
4427 cmdarg_T *cap;
4428 {
4429 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4430 win_T *old_curwin = curwin;
4431
4432 /* Currently we only get the mouse coordinates in the GUI. */
4433 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4434 {
4435 int row, col;
4436
4437 row = mouse_row;
4438 col = mouse_col;
4439
4440 /* find the window at the pointer coordinates */
4441 curwin = mouse_find_win(&row, &col);
4442 curbuf = curwin->w_buffer;
4443 }
4444 # endif
4445
4446 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4447 {
4448 (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4449 }
4450 else
4451 {
4452 cap->count1 = 3;
4453 cap->count0 = 3;
4454 nv_scroll_line(cap);
4455 }
4456
4457 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4458 curwin->w_redr_status = TRUE;
4459
4460 curwin = old_curwin;
4461 curbuf = curwin->w_buffer;
4462 # endif
4463 }
4464
4465 /*
4466 * Mouse clicks and drags.
4467 */
4468 static void
4469 nv_mouse(cap)
4470 cmdarg_T *cap;
4471 {
4472 (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4473 }
4474 #endif
4475
4476 /*
4477 * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4478 * cap->arg must be TRUE for CTRL-E.
4479 */
4480 static void
4481 nv_scroll_line(cap)
4482 cmdarg_T *cap;
4483 {
4484 if (!checkclearop(cap->oap))
4485 scroll_redraw(cap->arg, cap->count1);
4486 }
4487
4488 /*
4489 * Scroll "count" lines up or down, and redraw.
4490 */
4491 void
4492 scroll_redraw(up, count)
4493 int up;
4494 long count;
4495 {
4496 linenr_T prev_topline = curwin->w_topline;
4497 #ifdef FEAT_DIFF
4498 int prev_topfill = curwin->w_topfill;
4499 #endif
4500 linenr_T prev_lnum = curwin->w_cursor.lnum;
4501
4502 if (up)
4503 scrollup(count, TRUE);
4504 else
4505 scrolldown(count, TRUE);
4506 if (p_so)
4507 {
4508 /* Adjust the cursor position for 'scrolloff'. Mark w_topline as
4509 * valid, otherwise the screen jumps back at the end of the file. */
4510 cursor_correct();
4511 check_cursor_moved(curwin);
4512 curwin->w_valid |= VALID_TOPLINE;
4513
4514 /* If moved back to where we were, at least move the cursor, otherwise
4515 * we get stuck at one position. Don't move the cursor up if the
4516 * first line of the buffer is already on the screen */
4517 while (curwin->w_topline == prev_topline
4518 #ifdef FEAT_DIFF
4519 && curwin->w_topfill == prev_topfill
4520 #endif
4521 )
4522 {
4523 if (up)
4524 {
4525 if (curwin->w_cursor.lnum > prev_lnum
4526 || cursor_down(1L, FALSE) == FAIL)
4527 break;
4528 }
4529 else
4530 {
4531 if (curwin->w_cursor.lnum < prev_lnum
4532 || prev_topline == 1L
4533 || cursor_up(1L, FALSE) == FAIL)
4534 break;
4535 }
4536 /* Mark w_topline as valid, otherwise the screen jumps back at the
4537 * end of the file. */
4538 check_cursor_moved(curwin);
4539 curwin->w_valid |= VALID_TOPLINE;
4540 }
4541 }
4542 if (curwin->w_cursor.lnum != prev_lnum)
4543 coladvance(curwin->w_curswant);
4544 redraw_later(VALID);
4545 }
4546
4547 /*
4548 * Commands that start with "z".
4549 */
4550 static void
4551 nv_zet(cap)
4552 cmdarg_T *cap;
4553 {
4554 long n;
4555 colnr_T col;
4556 int nchar = cap->nchar;
4557 #ifdef FEAT_FOLDING
4558 long old_fdl = curwin->w_p_fdl;
4559 int old_fen = curwin->w_p_fen;
4560 #endif
4561 #ifdef FEAT_SPELL
4562 int undo = FALSE;
4563 #endif
4564
4565 if (VIM_ISDIGIT(nchar))
4566 {
4567 /*
4568 * "z123{nchar}": edit the count before obtaining {nchar}
4569 */
4570 if (checkclearop(cap->oap))
4571 return;
4572 n = nchar - '0';
4573 for (;;)
4574 {
4575 #ifdef USE_ON_FLY_SCROLL
4576 dont_scroll = TRUE; /* disallow scrolling here */
4577 #endif
4578 ++no_mapping;
4579 ++allow_keys; /* no mapping for nchar, but allow key codes */
4580 nchar = plain_vgetc();
4581 #ifdef FEAT_LANGMAP
4582 LANGMAP_ADJUST(nchar, TRUE);
4583 #endif
4584 --no_mapping;
4585 --allow_keys;
4586 #ifdef FEAT_CMDL_INFO
4587 (void)add_to_showcmd(nchar);
4588 #endif
4589 if (nchar == K_DEL || nchar == K_KDEL)
4590 n /= 10;
4591 else if (VIM_ISDIGIT(nchar))
4592 n = n * 10 + (nchar - '0');
4593 else if (nchar == CAR)
4594 {
4595 #ifdef FEAT_GUI
4596 need_mouse_correct = TRUE;
4597 #endif
4598 win_setheight((int)n);
4599 break;
4600 }
4601 else if (nchar == 'l'
4602 || nchar == 'h'
4603 || nchar == K_LEFT
4604 || nchar == K_RIGHT)
4605 {
4606 cap->count1 = n ? n * cap->count1 : cap->count1;
4607 goto dozet;
4608 }
4609 else
4610 {
4611 clearopbeep(cap->oap);
4612 break;
4613 }
4614 }
4615 cap->oap->op_type = OP_NOP;
4616 return;
4617 }
4618
4619 dozet:
4620 if (
4621 #ifdef FEAT_FOLDING
4622 /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4623 * and "zC" only in Visual mode. "zj" and "zk" are motion
4624 * commands. */
4625 cap->nchar != 'f' && cap->nchar != 'F'
4626 && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4627 && cap->nchar != 'j' && cap->nchar != 'k'
4628 &&
4629 #endif
4630 checkclearop(cap->oap))
4631 return;
4632
4633 /*
4634 * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4635 * If line number given, set cursor.
4636 */
4637 if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4638 && cap->count0
4639 && cap->count0 != curwin->w_cursor.lnum)
4640 {
4641 setpcmark();
4642 if (cap->count0 > curbuf->b_ml.ml_line_count)
4643 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4644 else
4645 curwin->w_cursor.lnum = cap->count0;
4646 check_cursor_col();
4647 }
4648
4649 switch (nchar)
4650 {
4651 /* "z+", "z<CR>" and "zt": put cursor at top of screen */
4652 case '+':
4653 if (cap->count0 == 0)
4654 {
4655 /* No count given: put cursor at the line below screen */
4656 validate_botline(); /* make sure w_botline is valid */
4657 if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4658 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4659 else
4660 curwin->w_cursor.lnum = curwin->w_botline;
4661 }
4662 /* FALLTHROUGH */
4663 case NL:
4664 case CAR:
4665 case K_KENTER:
4666 beginline(BL_WHITE | BL_FIX);
4667 /* FALLTHROUGH */
4668
4669 case 't': scroll_cursor_top(0, TRUE);
4670 redraw_later(VALID);
4671 break;
4672
4673 /* "z." and "zz": put cursor in middle of screen */
4674 case '.': beginline(BL_WHITE | BL_FIX);
4675 /* FALLTHROUGH */
4676
4677 case 'z': scroll_cursor_halfway(TRUE);
4678 redraw_later(VALID);
4679 break;
4680
4681 /* "z^", "z-" and "zb": put cursor at bottom of screen */
4682 case '^': /* Strange Vi behavior: <count>z^ finds line at top of window
4683 * when <count> is at bottom of window, and puts that one at
4684 * bottom of window. */
4685 if (cap->count0 != 0)
4686 {
4687 scroll_cursor_bot(0, TRUE);
4688 curwin->w_cursor.lnum = curwin->w_topline;
4689 }
4690 else if (curwin->w_topline == 1)
4691 curwin->w_cursor.lnum = 1;
4692 else
4693 curwin->w_cursor.lnum = curwin->w_topline - 1;
4694 /* FALLTHROUGH */
4695 case '-':
4696 beginline(BL_WHITE | BL_FIX);
4697 /* FALLTHROUGH */
4698
4699 case 'b': scroll_cursor_bot(0, TRUE);
4700 redraw_later(VALID);
4701 break;
4702
4703 /* "zH" - scroll screen right half-page */
4704 case 'H':
4705 cap->count1 *= W_WIDTH(curwin) / 2;
4706 /* FALLTHROUGH */
4707
4708 /* "zh" - scroll screen to the right */
4709 case 'h':
4710 case K_LEFT:
4711 if (!curwin->w_p_wrap)
4712 {
4713 if ((colnr_T)cap->count1 > curwin->w_leftcol)
4714 curwin->w_leftcol = 0;
4715 else
4716 curwin->w_leftcol -= (colnr_T)cap->count1;
4717 leftcol_changed();
4718 }
4719 break;
4720
4721 /* "zL" - scroll screen left half-page */
4722 case 'L': cap->count1 *= W_WIDTH(curwin) / 2;
4723 /* FALLTHROUGH */
4724
4725 /* "zl" - scroll screen to the left */
4726 case 'l':
4727 case K_RIGHT:
4728 if (!curwin->w_p_wrap)
4729 {
4730 /* scroll the window left */
4731 curwin->w_leftcol += (colnr_T)cap->count1;
4732 leftcol_changed();
4733 }
4734 break;
4735
4736 /* "zs" - scroll screen, cursor at the start */
4737 case 's': if (!curwin->w_p_wrap)
4738 {
4739 #ifdef FEAT_FOLDING
4740 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4741 col = 0; /* like the cursor is in col 0 */
4742 else
4743 #endif
4744 getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4745 if ((long)col > p_siso)
4746 col -= p_siso;
4747 else
4748 col = 0;
4749 if (curwin->w_leftcol != col)
4750 {
4751 curwin->w_leftcol = col;
4752 redraw_later(NOT_VALID);
4753 }
4754 }
4755 break;
4756
4757 /* "ze" - scroll screen, cursor at the end */
4758 case 'e': if (!curwin->w_p_wrap)
4759 {
4760 #ifdef FEAT_FOLDING
4761 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4762 col = 0; /* like the cursor is in col 0 */
4763 else
4764 #endif
4765 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4766 n = W_WIDTH(curwin) - curwin_col_off();
4767 if ((long)col + p_siso < n)
4768 col = 0;
4769 else
4770 col = col + p_siso - n + 1;
4771 if (curwin->w_leftcol != col)
4772 {
4773 curwin->w_leftcol = col;
4774 redraw_later(NOT_VALID);
4775 }
4776 }
4777 break;
4778
4779 #ifdef FEAT_FOLDING
4780 /* "zF": create fold command */
4781 /* "zf": create fold operator */
4782 case 'F':
4783 case 'f': if (foldManualAllowed(TRUE))
4784 {
4785 cap->nchar = 'f';
4786 nv_operator(cap);
4787 curwin->w_p_fen = TRUE;
4788
4789 /* "zF" is like "zfzf" */
4790 if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4791 {
4792 nv_operator(cap);
4793 finish_op = TRUE;
4794 }
4795 }
4796 else
4797 clearopbeep(cap->oap);
4798 break;
4799
4800 /* "zd": delete fold at cursor */
4801 /* "zD": delete fold at cursor recursively */
4802 case 'd':
4803 case 'D': if (foldManualAllowed(FALSE))
4804 {
4805 if (VIsual_active)
4806 nv_operator(cap);
4807 else
4808 deleteFold(curwin->w_cursor.lnum,
4809 curwin->w_cursor.lnum, nchar == 'D', FALSE);
4810 }
4811 break;
4812
4813 /* "zE": erease all folds */
4814 case 'E': if (foldmethodIsManual(curwin))
4815 {
4816 clearFolding(curwin);
4817 changed_window_setting();
4818 }
4819 else if (foldmethodIsMarker(curwin))
4820 deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4821 TRUE, FALSE);
4822 else
4823 EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4824 break;
4825
4826 /* "zn": fold none: reset 'foldenable' */
4827 case 'n': curwin->w_p_fen = FALSE;
4828 break;
4829
4830 /* "zN": fold Normal: set 'foldenable' */
4831 case 'N': curwin->w_p_fen = TRUE;
4832 break;
4833
4834 /* "zi": invert folding: toggle 'foldenable' */
4835 case 'i': curwin->w_p_fen = !curwin->w_p_fen;
4836 break;
4837
4838 /* "za": open closed fold or close open fold at cursor */
4839 case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4840 openFold(curwin->w_cursor.lnum, cap->count1);
4841 else
4842 {
4843 closeFold(curwin->w_cursor.lnum, cap->count1);
4844 curwin->w_p_fen = TRUE;
4845 }
4846 break;
4847
4848 /* "zA": open fold at cursor recursively */
4849 case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4850 openFoldRecurse(curwin->w_cursor.lnum);
4851 else
4852 {
4853 closeFoldRecurse(curwin->w_cursor.lnum);
4854 curwin->w_p_fen = TRUE;
4855 }
4856 break;
4857
4858 /* "zo": open fold at cursor or Visual area */
4859 case 'o': if (VIsual_active)
4860 nv_operator(cap);
4861 else
4862 openFold(curwin->w_cursor.lnum, cap->count1);
4863 break;
4864
4865 /* "zO": open fold recursively */
4866 case 'O': if (VIsual_active)
4867 nv_operator(cap);
4868 else
4869 openFoldRecurse(curwin->w_cursor.lnum);
4870 break;
4871
4872 /* "zc": close fold at cursor or Visual area */
4873 case 'c': if (VIsual_active)
4874 nv_operator(cap);
4875 else
4876 closeFold(curwin->w_cursor.lnum, cap->count1);
4877 curwin->w_p_fen = TRUE;
4878 break;
4879
4880 /* "zC": close fold recursively */
4881 case 'C': if (VIsual_active)
4882 nv_operator(cap);
4883 else
4884 closeFoldRecurse(curwin->w_cursor.lnum);
4885 curwin->w_p_fen = TRUE;
4886 break;
4887
4888 /* "zv": open folds at the cursor */
4889 case 'v': foldOpenCursor();
4890 break;
4891
4892 /* "zx": re-apply 'foldlevel' and open folds at the cursor */
4893 case 'x': curwin->w_p_fen = TRUE;
4894 newFoldLevel(); /* update right now */
4895 foldOpenCursor();
4896 break;
4897
4898 /* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4899 case 'X': curwin->w_p_fen = TRUE;
4900 old_fdl = -1; /* force an update */
4901 break;
4902
4903 /* "zm": fold more */
4904 case 'm': if (curwin->w_p_fdl > 0)
4905 --curwin->w_p_fdl;
4906 old_fdl = -1; /* force an update */
4907 curwin->w_p_fen = TRUE;
4908 break;
4909
4910 /* "zM": close all folds */
4911 case 'M': curwin->w_p_fdl = 0;
4912 old_fdl = -1; /* force an update */
4913 curwin->w_p_fen = TRUE;
4914 break;
4915
4916 /* "zr": reduce folding */
4917 case 'r': ++curwin->w_p_fdl;
4918 break;
4919
4920 /* "zR": open all folds */
4921 case 'R': curwin->w_p_fdl = getDeepestNesting();
4922 old_fdl = -1; /* force an update */
4923 break;
4924
4925 case 'j': /* "zj" move to next fold downwards */
4926 case 'k': /* "zk" move to next fold upwards */
4927 if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4928 cap->count1) == FAIL)
4929 clearopbeep(cap->oap);
4930 break;
4931
4932 #endif /* FEAT_FOLDING */
4933
4934 #ifdef FEAT_SPELL
4935 case 'u': /* "zug" and "zuw": undo "zg" and "zw" */
4936 ++no_mapping;
4937 ++allow_keys; /* no mapping for nchar, but allow key codes */
4938 nchar = plain_vgetc();
4939 #ifdef FEAT_LANGMAP
4940 LANGMAP_ADJUST(nchar, TRUE);
4941 #endif
4942 --no_mapping;
4943 --allow_keys;
4944 #ifdef FEAT_CMDL_INFO
4945 (void)add_to_showcmd(nchar);
4946 #endif
4947 if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
4948 {
4949 clearopbeep(cap->oap);
4950 break;
4951 }
4952 undo = TRUE;
4953 /*FALLTHROUGH*/
4954
4955 case 'g': /* "zg": add good word to word list */
4956 case 'w': /* "zw": add wrong word to word list */
4957 case 'G': /* "zG": add good word to temp word list */
4958 case 'W': /* "zW": add wrong word to temp word list */
4959 {
4960 char_u *ptr = NULL;
4961 int len;
4962
4963 if (checkclearop(cap->oap))
4964 break;
4965 # ifdef FEAT_VISUAL
4966 if (VIsual_active && get_visual_text(cap, &ptr, &len)
4967 == FAIL)
4968 return;
4969 # endif
4970 if (ptr == NULL)
4971 {
4972 pos_T pos = curwin->w_cursor;
4973
4974 /* Find bad word under the cursor. */
4975 len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
4976 if (len != 0 && curwin->w_cursor.col <= pos.col)
4977 ptr = ml_get_pos(&curwin->w_cursor);
4978 curwin->w_cursor = pos;
4979 }
4980
4981 if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
4982 FIND_IDENT)) == 0)
4983 return;
4984 spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
4985 (nchar == 'G' || nchar == 'W')
4986 ? 0 : (int)cap->count1,
4987 undo);
4988 }
4989 break;
4990
4991 case '=': /* "z=": suggestions for a badly spelled word */
4992 if (!checkclearop(cap->oap))
4993 spell_suggest((int)cap->count0);
4994 break;
4995 #endif
4996
4997 default: clearopbeep(cap->oap);
4998 }
4999
5000 #ifdef FEAT_FOLDING
5001 /* Redraw when 'foldenable' changed */
5002 if (old_fen != curwin->w_p_fen)
5003 {
5004 # ifdef FEAT_DIFF
5005 win_T *wp;
5006
5007 if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
5008 {
5009 /* Adjust 'foldenable' in diff-synced windows. */
5010 FOR_ALL_WINDOWS(wp)
5011 {
5012 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
5013 {
5014 wp->w_p_fen = curwin->w_p_fen;
5015 changed_window_setting_win(wp);
5016 }
5017 }
5018 }
5019 # endif
5020 changed_window_setting();
5021 }
5022
5023 /* Redraw when 'foldlevel' changed. */
5024 if (old_fdl != curwin->w_p_fdl)
5025 newFoldLevel();
5026 #endif
5027 }
5028
5029 #ifdef FEAT_GUI
5030 /*
5031 * Vertical scrollbar movement.
5032 */
5033 static void
5034 nv_ver_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_scroll();
5042 }
5043
5044 /*
5045 * Horizontal scrollbar movement.
5046 */
5047 static void
5048 nv_hor_scrollbar(cap)
5049 cmdarg_T *cap;
5050 {
5051 if (cap->oap->op_type != OP_NOP)
5052 clearopbeep(cap->oap);
5053
5054 /* Even if an operator was pending, we still want to scroll */
5055 gui_do_horiz_scroll();
5056 }
5057 #endif
5058
5059 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5060 /*
5061 * Click in GUI tab.
5062 */
5063 static void
5064 nv_tabline(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 goto_tabpage(current_tab);
5072 }
5073
5074 /*
5075 * Selected item in tab line menu.
5076 */
5077 static void
5078 nv_tabmenu(cap)
5079 cmdarg_T *cap;
5080 {
5081 if (cap->oap->op_type != OP_NOP)
5082 clearopbeep(cap->oap);
5083
5084 /* Even if an operator was pending, we still want to jump tabs. */
5085 handle_tabmenu();
5086 }
5087
5088 /*
5089 * Handle selecting an item of the GUI tab line menu.
5090 * Used in Normal and Insert mode.
5091 */
5092 void
5093 handle_tabmenu()
5094 {
5095 switch (current_tabmenu)
5096 {
5097 case TABLINE_MENU_CLOSE:
5098 if (current_tab == 0)
5099 do_cmdline_cmd((char_u *)"tabclose");
5100 else
5101 {
5102 vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5103 current_tab);
5104 do_cmdline_cmd(IObuff);
5105 }
5106 break;
5107
5108 case TABLINE_MENU_NEW:
5109 vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5110 current_tab > 0 ? current_tab - 1 : 999);
5111 do_cmdline_cmd(IObuff);
5112 break;
5113
5114 case TABLINE_MENU_OPEN:
5115 vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5116 current_tab > 0 ? current_tab - 1 : 999);
5117 do_cmdline_cmd(IObuff);
5118 break;
5119 }
5120 }
5121 #endif
5122
5123 /*
5124 * "Q" command.
5125 */
5126 static void
5127 nv_exmode(cap)
5128 cmdarg_T *cap;
5129 {
5130 /*
5131 * Ignore 'Q' in Visual mode, just give a beep.
5132 */
5133 #ifdef FEAT_VISUAL
5134 if (VIsual_active)
5135 vim_beep();
5136 else
5137 #endif
5138 if (!checkclearop(cap->oap))
5139 do_exmode(FALSE);
5140 }
5141
5142 /*
5143 * Handle a ":" command.
5144 */
5145 static void
5146 nv_colon(cap)
5147 cmdarg_T *cap;
5148 {
5149 int old_p_im;
5150
5151 #ifdef FEAT_VISUAL
5152 if (VIsual_active)
5153 nv_operator(cap);
5154 else
5155 #endif
5156 {
5157 if (cap->oap->op_type != OP_NOP)
5158 {
5159 /* Using ":" as a movement is characterwise exclusive. */
5160 cap->oap->motion_type = MCHAR;
5161 cap->oap->inclusive = FALSE;
5162 }
5163 else if (cap->count0)
5164 {
5165 /* translate "count:" into ":.,.+(count - 1)" */
5166 stuffcharReadbuff('.');
5167 if (cap->count0 > 1)
5168 {
5169 stuffReadbuff((char_u *)",.+");
5170 stuffnumReadbuff((long)cap->count0 - 1L);
5171 }
5172 }
5173
5174 /* When typing, don't type below an old message */
5175 if (KeyTyped)
5176 compute_cmdrow();
5177
5178 old_p_im = p_im;
5179
5180 /* get a command line and execute it */
5181 do_cmdline(NULL, getexline, NULL,
5182 cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5183
5184 /* If 'insertmode' changed, enter or exit Insert mode */
5185 if (p_im != old_p_im)
5186 {
5187 if (p_im)
5188 restart_edit = 'i';
5189 else
5190 restart_edit = 0;
5191 }
5192
5193 /* The start of the operator may have become invalid by the Ex
5194 * command. */
5195 if (cap->oap->op_type != OP_NOP
5196 && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5197 || cap->oap->start.col >
5198 STRLEN(ml_get(cap->oap->start.lnum))))
5199 clearopbeep(cap->oap);
5200 }
5201 }
5202
5203 /*
5204 * Handle CTRL-G command.
5205 */
5206 static void
5207 nv_ctrlg(cap)
5208 cmdarg_T *cap;
5209 {
5210 #ifdef FEAT_VISUAL
5211 if (VIsual_active) /* toggle Selection/Visual mode */
5212 {
5213 VIsual_select = !VIsual_select;
5214 showmode();
5215 }
5216 else
5217 #endif
5218 if (!checkclearop(cap->oap))
5219 /* print full name if count given or :cd used */
5220 fileinfo((int)cap->count0, FALSE, TRUE);
5221 }
5222
5223 /*
5224 * Handle CTRL-H <Backspace> command.
5225 */
5226 static void
5227 nv_ctrlh(cap)
5228 cmdarg_T *cap;
5229 {
5230 #ifdef FEAT_VISUAL
5231 if (VIsual_active && VIsual_select)
5232 {
5233 cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */
5234 v_visop(cap);
5235 }
5236 else
5237 #endif
5238 nv_left(cap);
5239 }
5240
5241 /*
5242 * CTRL-L: clear screen and redraw.
5243 */
5244 static void
5245 nv_clear(cap)
5246 cmdarg_T *cap;
5247 {
5248 if (!checkclearop(cap->oap))
5249 {
5250 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5251 /*
5252 * Right now, the BeBox doesn't seem to have an easy way to detect
5253 * window resizing, so we cheat and make the user detect it
5254 * manually with CTRL-L instead
5255 */
5256 ui_get_shellsize();
5257 #endif
5258 #ifdef FEAT_SYN_HL
5259 /* Clear all syntax states to force resyncing. */
5260 syn_stack_free_all(curbuf);
5261 #endif
5262 redraw_later(CLEAR);
5263 }
5264 }
5265
5266 /*
5267 * CTRL-O: In Select mode: switch to Visual mode for one command.
5268 * Otherwise: Go to older pcmark.
5269 */
5270 static void
5271 nv_ctrlo(cap)
5272 cmdarg_T *cap;
5273 {
5274 #ifdef FEAT_VISUAL
5275 if (VIsual_active && VIsual_select)
5276 {
5277 VIsual_select = FALSE;
5278 showmode();
5279 restart_VIsual_select = 2; /* restart Select mode later */
5280 }
5281 else
5282 #endif
5283 {
5284 cap->count1 = -cap->count1;
5285 nv_pcmark(cap);
5286 }
5287 }
5288
5289 /*
5290 * CTRL-^ command, short for ":e #"
5291 */
5292 static void
5293 nv_hat(cap)
5294 cmdarg_T *cap;
5295 {
5296 if (!checkclearopq(cap->oap))
5297 (void)buflist_getfile((int)cap->count0, (linenr_T)0,
5298 GETF_SETMARK|GETF_ALT, FALSE);
5299 }
5300
5301 /*
5302 * "Z" commands.
5303 */
5304 static void
5305 nv_Zet(cap)
5306 cmdarg_T *cap;
5307 {
5308 if (!checkclearopq(cap->oap))
5309 {
5310 switch (cap->nchar)
5311 {
5312 /* "ZZ": equivalent to ":x". */
5313 case 'Z': do_cmdline_cmd((char_u *)"x");
5314 break;
5315
5316 /* "ZQ": equivalent to ":q!" (Elvis compatible). */
5317 case 'Q': do_cmdline_cmd((char_u *)"q!");
5318 break;
5319
5320 default: clearopbeep(cap->oap);
5321 }
5322 }
5323 }
5324
5325 #if defined(FEAT_WINDOWS) || defined(PROTO)
5326 /*
5327 * Call nv_ident() as if "c1" was used, with "c2" as next character.
5328 */
5329 void
5330 do_nv_ident(c1, c2)
5331 int c1;
5332 int c2;
5333 {
5334 oparg_T oa;
5335 cmdarg_T ca;
5336
5337 clear_oparg(&oa);
5338 vim_memset(&ca, 0, sizeof(ca));
5339 ca.oap = &oa;
5340 ca.cmdchar = c1;
5341 ca.nchar = c2;
5342 nv_ident(&ca);
5343 }
5344 #endif
5345
5346 /*
5347 * Handle the commands that use the word under the cursor.
5348 * [g] CTRL-] :ta to current identifier
5349 * [g] 'K' run program for current identifier
5350 * [g] '*' / to current identifier or string
5351 * [g] '#' ? to current identifier or string
5352 * g ']' :tselect for current identifier
5353 */
5354 static void
5355 nv_ident(cap)
5356 cmdarg_T *cap;
5357 {
5358 char_u *ptr = NULL;
5359 char_u *buf;
5360 char_u *p;
5361 char_u *kp; /* value of 'keywordprg' */
5362 int kp_help; /* 'keywordprg' is ":help" */
5363 int n = 0; /* init for GCC */
5364 int cmdchar;
5365 int g_cmd; /* "g" command */
5366 char_u *aux_ptr;
5367 int isman;
5368 int isman_s;
5369
5370 if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */
5371 {
5372 cmdchar = cap->nchar;
5373 g_cmd = TRUE;
5374 }
5375 else
5376 {
5377 cmdchar = cap->cmdchar;
5378 g_cmd = FALSE;
5379 }
5380
5381 if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
5382 cmdchar = '#';
5383
5384 /*
5385 * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5386 */
5387 if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5388 {
5389 #ifdef FEAT_VISUAL
5390 if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5391 return;
5392 #endif
5393 if (checkclearopq(cap->oap))
5394 return;
5395 }
5396
5397 if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5398 (cmdchar == '*' || cmdchar == '#')
5399 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5400 {
5401 clearop(cap->oap);
5402 return;
5403 }
5404
5405 /* Allocate buffer to put the command in. Inserting backslashes can
5406 * double the length of the word. p_kp / curbuf->b_p_kp could be added
5407 * and some numbers. */
5408 kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5409 kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5410 || STRCMP(kp, ":help") == 0);
5411 buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5412 if (buf == NULL)
5413 return;
5414 buf[0] = NUL;
5415
5416 switch (cmdchar)
5417 {
5418 case '*':
5419 case '#':
5420 /*
5421 * Put cursor at start of word, makes search skip the word
5422 * under the cursor.
5423 * Call setpcmark() first, so "*``" puts the cursor back where
5424 * it was.
5425 */
5426 setpcmark();
5427 curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5428
5429 if (!g_cmd && vim_iswordp(ptr))
5430 STRCPY(buf, "\\<");
5431 no_smartcase = TRUE; /* don't use 'smartcase' now */
5432 break;
5433
5434 case 'K':
5435 if (kp_help)
5436 STRCPY(buf, "he! ");
5437 else
5438 {
5439 /* When a count is given, turn it into a range. Is this
5440 * really what we want? */
5441 isman = (STRCMP(kp, "man") == 0);
5442 isman_s = (STRCMP(kp, "man -s") == 0);
5443 if (cap->count0 != 0 && !(isman || isman_s))
5444 sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5445
5446 STRCAT(buf, "! ");
5447 if (cap->count0 == 0 && isman_s)
5448 STRCAT(buf, "man");
5449 else
5450 STRCAT(buf, kp);
5451 STRCAT(buf, " ");
5452 if (cap->count0 != 0 && (isman || isman_s))
5453 {
5454 sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5455 STRCAT(buf, " ");
5456 }
5457 }
5458 break;
5459
5460 case ']':
5461 #ifdef FEAT_CSCOPE
5462 if (p_cst)
5463 STRCPY(buf, "cstag ");
5464 else
5465 #endif
5466 STRCPY(buf, "ts ");
5467 break;
5468
5469 default:
5470 if (curbuf->b_help)
5471 STRCPY(buf, "he! ");
5472 else if (g_cmd)
5473 STRCPY(buf, "tj ");
5474 else
5475 sprintf((char *)buf, "%ldta ", cap->count0);
5476 }
5477
5478 /*
5479 * Now grab the chars in the identifier
5480 */
5481 if (cmdchar == '*')
5482 aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5483 else if (cmdchar == '#')
5484 aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5485 else if (cmdchar == 'K' && !kp_help)
5486 aux_ptr = (char_u *)" \t\\\"|!";
5487 else
5488 /* Don't escape spaces and Tabs in a tag with a backslash */
5489 aux_ptr = (char_u *)"\\|\"";
5490
5491 p = buf + STRLEN(buf);
5492 while (n-- > 0)
5493 {
5494 /* put a backslash before \ and some others */
5495 if (vim_strchr(aux_ptr, *ptr) != NULL)
5496 *p++ = '\\';
5497 #ifdef FEAT_MBYTE
5498 /* When current byte is a part of multibyte character, copy all bytes
5499 * of that character. */
5500 if (has_mbyte)
5501 {
5502 int i;
5503 int len = (*mb_ptr2len)(ptr) - 1;
5504
5505 for (i = 0; i < len && n >= 1; ++i, --n)
5506 *p++ = *ptr++;
5507 }
5508 #endif
5509 *p++ = *ptr++;
5510 }
5511 *p = NUL;
5512
5513 /*
5514 * Execute the command.
5515 */
5516 if (cmdchar == '*' || cmdchar == '#')
5517 {
5518 if (!g_cmd && (
5519 #ifdef FEAT_MBYTE
5520 has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5521 #endif
5522 vim_iswordc(ptr[-1])))
5523 STRCAT(buf, "\\>");
5524 #ifdef FEAT_CMDHIST
5525 /* put pattern in search history */
5526 add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5527 #endif
5528 normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5529 }
5530 else
5531 do_cmdline_cmd(buf);
5532
5533 vim_free(buf);
5534 }
5535
5536 #if defined(FEAT_VISUAL) || defined(PROTO)
5537 /*
5538 * Get visually selected text, within one line only.
5539 * Returns FAIL if more than one line selected.
5540 */
5541 int
5542 get_visual_text(cap, pp, lenp)
5543 cmdarg_T *cap;
5544 char_u **pp; /* return: start of selected text */
5545 int *lenp; /* return: length of selected text */
5546 {
5547 if (VIsual_mode != 'V')
5548 unadjust_for_sel();
5549 if (VIsual.lnum != curwin->w_cursor.lnum)
5550 {
5551 if (cap != NULL)
5552 clearopbeep(cap->oap);
5553 return FAIL;
5554 }
5555 if (VIsual_mode == 'V')
5556 {
5557 *pp = ml_get_curline();
5558 *lenp = (int)STRLEN(*pp);
5559 }
5560 else
5561 {
5562 if (lt(curwin->w_cursor, VIsual))
5563 {
5564 *pp = ml_get_pos(&curwin->w_cursor);
5565 *lenp = VIsual.col - curwin->w_cursor.col + 1;
5566 }
5567 else
5568 {
5569 *pp = ml_get_pos(&VIsual);
5570 *lenp = curwin->w_cursor.col - VIsual.col + 1;
5571 }
5572 #ifdef FEAT_MBYTE
5573 if (has_mbyte)
5574 /* Correct the length to include the whole last character. */
5575 *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5576 #endif
5577 }
5578 reset_VIsual_and_resel();
5579 return OK;
5580 }
5581 #endif
5582
5583 /*
5584 * CTRL-T: backwards in tag stack
5585 */
5586 static void
5587 nv_tagpop(cap)
5588 cmdarg_T *cap;
5589 {
5590 if (!checkclearopq(cap->oap))
5591 do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5592 }
5593
5594 /*
5595 * Handle scrolling command 'H', 'L' and 'M'.
5596 */
5597 static void
5598 nv_scroll(cap)
5599 cmdarg_T *cap;
5600 {
5601 int used = 0;
5602 long n;
5603 #ifdef FEAT_FOLDING
5604 linenr_T lnum;
5605 #endif
5606 int half;
5607
5608 cap->oap->motion_type = MLINE;
5609 setpcmark();
5610
5611 if (cap->cmdchar == 'L')
5612 {
5613 validate_botline(); /* make sure curwin->w_botline is valid */
5614 curwin->w_cursor.lnum = curwin->w_botline - 1;
5615 if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5616 curwin->w_cursor.lnum = 1;
5617 else
5618 {
5619 #ifdef FEAT_FOLDING
5620 if (hasAnyFolding(curwin))
5621 {
5622 /* Count a fold for one screen line. */
5623 for (n = cap->count1 - 1; n > 0
5624 && curwin->w_cursor.lnum > curwin->w_topline; --n)
5625 {
5626 (void)hasFolding(curwin->w_cursor.lnum,
5627 &curwin->w_cursor.lnum, NULL);
5628 --curwin->w_cursor.lnum;
5629 }
5630 }
5631 else
5632 #endif
5633 curwin->w_cursor.lnum -= cap->count1 - 1;
5634 }
5635 }
5636 else
5637 {
5638 if (cap->cmdchar == 'M')
5639 {
5640 #ifdef FEAT_DIFF
5641 /* Don't count filler lines above the window. */
5642 used -= diff_check_fill(curwin, curwin->w_topline)
5643 - curwin->w_topfill;
5644 #endif
5645 validate_botline(); /* make sure w_empty_rows is valid */
5646 half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5647 for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5648 {
5649 #ifdef FEAT_DIFF
5650 /* Count half he number of filler lines to be "below this
5651 * line" and half to be "above the next line". */
5652 if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5653 + n) / 2 >= half)
5654 {
5655 --n;
5656 break;
5657 }
5658 #endif
5659 used += plines(curwin->w_topline + n);
5660 if (used >= half)
5661 break;
5662 #ifdef FEAT_FOLDING
5663 if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5664 n = lnum - curwin->w_topline;
5665 #endif
5666 }
5667 if (n > 0 && used > curwin->w_height)
5668 --n;
5669 }
5670 else /* (cap->cmdchar == 'H') */
5671 {
5672 n = cap->count1 - 1;
5673 #ifdef FEAT_FOLDING
5674 if (hasAnyFolding(curwin))
5675 {
5676 /* Count a fold for one screen line. */
5677 lnum = curwin->w_topline;
5678 while (n-- > 0 && lnum < curwin->w_botline - 1)
5679 {
5680 hasFolding(lnum, NULL, &lnum);
5681 ++lnum;
5682 }
5683 n = lnum - curwin->w_topline;
5684 }
5685 #endif
5686 }
5687 curwin->w_cursor.lnum = curwin->w_topline + n;
5688 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5689 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5690 }
5691
5692 cursor_correct(); /* correct for 'so' */
5693 beginline(BL_SOL | BL_FIX);
5694 }
5695
5696 /*
5697 * Cursor right commands.
5698 */
5699 static void
5700 nv_right(cap)
5701 cmdarg_T *cap;
5702 {
5703 long n;
5704 #ifdef FEAT_VISUAL
5705 int PAST_LINE;
5706 #else
5707 # define PAST_LINE 0
5708 #endif
5709
5710 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5711 {
5712 /* <C-Right> and <S-Right> move a word or WORD right */
5713 if (mod_mask & MOD_MASK_CTRL)
5714 cap->arg = TRUE;
5715 nv_wordcmd(cap);
5716 return;
5717 }
5718
5719 cap->oap->motion_type = MCHAR;
5720 cap->oap->inclusive = FALSE;
5721 #ifdef FEAT_VISUAL
5722 PAST_LINE = (VIsual_active && *p_sel != 'o');
5723
5724 # ifdef FEAT_VIRTUALEDIT
5725 /*
5726 * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5727 * (theoretically) infinitely long.
5728 */
5729 if (virtual_active())
5730 PAST_LINE = 0;
5731 # endif
5732 #endif
5733
5734 for (n = cap->count1; n > 0; --n)
5735 {
5736 if ((!PAST_LINE && oneright() == FAIL)
5737 || (PAST_LINE && *ml_get_cursor() == NUL))
5738 {
5739 /*
5740 * <Space> wraps to next line if 'whichwrap' has 's'.
5741 * 'l' wraps to next line if 'whichwrap' has 'l'.
5742 * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5743 */
5744 if ( ((cap->cmdchar == ' '
5745 && vim_strchr(p_ww, 's') != NULL)
5746 || (cap->cmdchar == 'l'
5747 && vim_strchr(p_ww, 'l') != NULL)
5748 || (cap->cmdchar == K_RIGHT
5749 && vim_strchr(p_ww, '>') != NULL))
5750 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5751 {
5752 /* When deleting we also count the NL as a character.
5753 * Set cap->oap->inclusive when last char in the line is
5754 * included, move to next line after that */
5755 if ( cap->oap->op_type != OP_NOP
5756 && !cap->oap->inclusive
5757 && !lineempty(curwin->w_cursor.lnum))
5758 cap->oap->inclusive = TRUE;
5759 else
5760 {
5761 ++curwin->w_cursor.lnum;
5762 curwin->w_cursor.col = 0;
5763 #ifdef FEAT_VIRTUALEDIT
5764 curwin->w_cursor.coladd = 0;
5765 #endif
5766 curwin->w_set_curswant = TRUE;
5767 cap->oap->inclusive = FALSE;
5768 }
5769 continue;
5770 }
5771 if (cap->oap->op_type == OP_NOP)
5772 {
5773 /* Only beep and flush if not moved at all */
5774 if (n == cap->count1)
5775 beep_flush();
5776 }
5777 else
5778 {
5779 if (!lineempty(curwin->w_cursor.lnum))
5780 cap->oap->inclusive = TRUE;
5781 }
5782 break;
5783 }
5784 #ifdef FEAT_VISUAL
5785 else if (PAST_LINE)
5786 {
5787 curwin->w_set_curswant = TRUE;
5788 # ifdef FEAT_VIRTUALEDIT
5789 if (virtual_active())
5790 oneright();
5791 else
5792 # endif
5793 {
5794 # ifdef FEAT_MBYTE
5795 if (has_mbyte)
5796 curwin->w_cursor.col +=
5797 (*mb_ptr2len)(ml_get_cursor());
5798 else
5799 # endif
5800 ++curwin->w_cursor.col;
5801 }
5802 }
5803 #endif
5804 }
5805 #ifdef FEAT_FOLDING
5806 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5807 && cap->oap->op_type == OP_NOP)
5808 foldOpenCursor();
5809 #endif
5810 }
5811
5812 /*
5813 * Cursor left commands.
5814 *
5815 * Returns TRUE when operator end should not be adjusted.
5816 */
5817 static void
5818 nv_left(cap)
5819 cmdarg_T *cap;
5820 {
5821 long n;
5822
5823 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5824 {
5825 /* <C-Left> and <S-Left> move a word or WORD left */
5826 if (mod_mask & MOD_MASK_CTRL)
5827 cap->arg = 1;
5828 nv_bck_word(cap);
5829 return;
5830 }
5831
5832 cap->oap->motion_type = MCHAR;
5833 cap->oap->inclusive = FALSE;
5834 for (n = cap->count1; n > 0; --n)
5835 {
5836 if (oneleft() == FAIL)
5837 {
5838 /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5839 * 'h' wraps to previous line if 'whichwrap' has 'h'.
5840 * CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5841 */
5842 if ( (((cap->cmdchar == K_BS
5843 || cap->cmdchar == Ctrl_H)
5844 && vim_strchr(p_ww, 'b') != NULL)
5845 || (cap->cmdchar == 'h'
5846 && vim_strchr(p_ww, 'h') != NULL)
5847 || (cap->cmdchar == K_LEFT
5848 && vim_strchr(p_ww, '<') != NULL))
5849 && curwin->w_cursor.lnum > 1)
5850 {
5851 --(curwin->w_cursor.lnum);
5852 coladvance((colnr_T)MAXCOL);
5853 curwin->w_set_curswant = TRUE;
5854
5855 /* When the NL before the first char has to be deleted we
5856 * put the cursor on the NUL after the previous line.
5857 * This is a very special case, be careful!
5858 * Don't adjust op_end now, otherwise it won't work. */
5859 if ( (cap->oap->op_type == OP_DELETE
5860 || cap->oap->op_type == OP_CHANGE)
5861 && !lineempty(curwin->w_cursor.lnum))
5862 {
5863 if (*ml_get_cursor() != NUL)
5864 ++curwin->w_cursor.col;
5865 cap->retval |= CA_NO_ADJ_OP_END;
5866 }
5867 continue;
5868 }
5869 /* Only beep and flush if not moved at all */
5870 else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5871 beep_flush();
5872 break;
5873 }
5874 }
5875 #ifdef FEAT_FOLDING
5876 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5877 && cap->oap->op_type == OP_NOP)
5878 foldOpenCursor();
5879 #endif
5880 }
5881
5882 /*
5883 * Cursor up commands.
5884 * cap->arg is TRUE for "-": Move cursor to first non-blank.
5885 */
5886 static void
5887 nv_up(cap)
5888 cmdarg_T *cap;
5889 {
5890 if (mod_mask & MOD_MASK_SHIFT)
5891 {
5892 /* <S-Up> is page up */
5893 cap->arg = BACKWARD;
5894 nv_page(cap);
5895 }
5896 else
5897 {
5898 cap->oap->motion_type = MLINE;
5899 if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5900 clearopbeep(cap->oap);
5901 else if (cap->arg)
5902 beginline(BL_WHITE | BL_FIX);
5903 }
5904 }
5905
5906 /*
5907 * Cursor down commands.
5908 * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5909 */
5910 static void
5911 nv_down(cap)
5912 cmdarg_T *cap;
5913 {
5914 if (mod_mask & MOD_MASK_SHIFT)
5915 {
5916 /* <S-Down> is page down */
5917 cap->arg = FORWARD;
5918 nv_page(cap);
5919 }
5920 else
5921 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
5922 /* In a quickfix window a <CR> jumps to the error under the cursor. */
5923 if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
5924 if (curwin->w_llist_ref == NULL)
5925 do_cmdline_cmd((char_u *)".cc"); /* quickfix window */
5926 else
5927 do_cmdline_cmd((char_u *)".ll"); /* location list window */
5928 else
5929 #endif
5930 {
5931 #ifdef FEAT_CMDWIN
5932 /* In the cmdline window a <CR> executes the command. */
5933 if (cmdwin_type != 0 && cap->cmdchar == CAR)
5934 cmdwin_result = CAR;
5935 else
5936 #endif
5937 {
5938 cap->oap->motion_type = MLINE;
5939 if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5940 clearopbeep(cap->oap);
5941 else if (cap->arg)
5942 beginline(BL_WHITE | BL_FIX);
5943 }
5944 }
5945 }
5946
5947 #ifdef FEAT_SEARCHPATH
5948 /*
5949 * Grab the file name under the cursor and edit it.
5950 */
5951 static void
5952 nv_gotofile(cap)
5953 cmdarg_T *cap;
5954 {
5955 char_u *ptr;
5956 linenr_T lnum = -1;
5957
5958 if (text_locked())
5959 {
5960 clearopbeep(cap->oap);
5961 text_locked_msg();
5962 return;
5963 }
5964 #ifdef FEAT_AUTOCMD
5965 if (curbuf_locked())
5966 {
5967 clearop(cap->oap);
5968 return;
5969 }
5970 #endif
5971
5972 ptr = grab_file_name(cap->count1, &lnum);
5973
5974 if (ptr != NULL)
5975 {
5976 /* do autowrite if necessary */
5977 if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
5978 autowrite(curbuf, FALSE);
5979 setpcmark();
5980 (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
5981 P_HID(curbuf) ? ECMD_HIDE : 0);
5982 if (cap->nchar == 'F' && lnum >= 0)
5983 {
5984 curwin->w_cursor.lnum = lnum;
5985 check_cursor_lnum();
5986 beginline(BL_SOL | BL_FIX);
5987 }
5988 vim_free(ptr);
5989 }
5990 else
5991 clearop(cap->oap);
5992 }
5993 #endif
5994
5995 /*
5996 * <End> command: to end of current line or last line.
5997 */
5998 static void
5999 nv_end(cap)
6000 cmdarg_T *cap;
6001 {
6002 if (cap->arg || (mod_mask & MOD_MASK_CTRL)) /* CTRL-END = goto last line */
6003 {
6004 cap->arg = TRUE;
6005 nv_goto(cap);
6006 cap->count1 = 1; /* to end of current line */
6007 }
6008 nv_dollar(cap);
6009 }
6010
6011 /*
6012 * Handle the "$" command.
6013 */
6014 static void
6015 nv_dollar(cap)
6016 cmdarg_T *cap;
6017 {
6018 cap->oap->motion_type = MCHAR;
6019 cap->oap->inclusive = TRUE;
6020 #ifdef FEAT_VIRTUALEDIT
6021 /* In virtual mode when off the edge of a line and an operator
6022 * is pending (whew!) keep the cursor where it is.
6023 * Otherwise, send it to the end of the line. */
6024 if (!virtual_active() || gchar_cursor() != NUL
6025 || cap->oap->op_type == OP_NOP)
6026 #endif
6027 curwin->w_curswant = MAXCOL; /* so we stay at the end */
6028 if (cursor_down((long)(cap->count1 - 1),
6029 cap->oap->op_type == OP_NOP) == FAIL)
6030 clearopbeep(cap->oap);
6031 #ifdef FEAT_FOLDING
6032 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6033 foldOpenCursor();
6034 #endif
6035 }
6036
6037 /*
6038 * Implementation of '?' and '/' commands.
6039 * If cap->arg is TRUE don't set PC mark.
6040 */
6041 static void
6042 nv_search(cap)
6043 cmdarg_T *cap;
6044 {
6045 oparg_T *oap = cap->oap;
6046
6047 if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6048 {
6049 /* Translate "g??" to "g?g?" */
6050 cap->cmdchar = 'g';
6051 cap->nchar = '?';
6052 nv_operator(cap);
6053 return;
6054 }
6055
6056 cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6057
6058 if (cap->searchbuf == NULL)
6059 {
6060 clearop(oap);
6061 return;
6062 }
6063
6064 normal_search(cap, cap->cmdchar, cap->searchbuf,
6065 (cap->arg ? 0 : SEARCH_MARK));
6066 }
6067
6068 /*
6069 * Handle "N" and "n" commands.
6070 * cap->arg is SEARCH_REV for "N", 0 for "n".
6071 */
6072 static void
6073 nv_next(cap)
6074 cmdarg_T *cap;
6075 {
6076 normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6077 }
6078
6079 /*
6080 * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6081 * Uses only cap->count1 and cap->oap from "cap".
6082 */
6083 static void
6084 normal_search(cap, dir, pat, opt)
6085 cmdarg_T *cap;
6086 int dir;
6087 char_u *pat;
6088 int opt; /* extra flags for do_search() */
6089 {
6090 int i;
6091
6092 cap->oap->motion_type = MCHAR;
6093 cap->oap->inclusive = FALSE;
6094 cap->oap->use_reg_one = TRUE;
6095 curwin->w_set_curswant = TRUE;
6096
6097 i = do_search(cap->oap, dir, pat, cap->count1,
6098 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
6099 if (i == 0)
6100 clearop(cap->oap);
6101 else
6102 {
6103 if (i == 2)
6104 cap->oap->motion_type = MLINE;
6105 #ifdef FEAT_VIRTUALEDIT
6106 curwin->w_cursor.coladd = 0;
6107 #endif
6108 #ifdef FEAT_FOLDING
6109 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6110 foldOpenCursor();
6111 #endif
6112 }
6113
6114 /* "/$" will put the cursor after the end of the line, may need to
6115 * correct that here */
6116 check_cursor();
6117 }
6118
6119 /*
6120 * Character search commands.
6121 * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6122 * ',' and FALSE for ';'.
6123 * cap->nchar is NUL for ',' and ';' (repeat the search)
6124 */
6125 static void
6126 nv_csearch(cap)
6127 cmdarg_T *cap;
6128 {
6129 int t_cmd;
6130
6131 if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6132 t_cmd = TRUE;
6133 else
6134 t_cmd = FALSE;
6135
6136 cap->oap->motion_type = MCHAR;
6137 if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6138 clearopbeep(cap->oap);
6139 else
6140 {
6141 curwin->w_set_curswant = TRUE;
6142 #ifdef FEAT_VIRTUALEDIT
6143 /* Include a Tab for "tx" and for "dfx". */
6144 if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6145 && (t_cmd || cap->oap->op_type != OP_NOP))
6146 {
6147 colnr_T scol, ecol;
6148
6149 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6150 curwin->w_cursor.coladd = ecol - scol;
6151 }
6152 else
6153 curwin->w_cursor.coladd = 0;
6154 #endif
6155 #ifdef FEAT_VISUAL
6156 adjust_for_sel(cap);
6157 #endif
6158 #ifdef FEAT_FOLDING
6159 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6160 foldOpenCursor();
6161 #endif
6162 }
6163 }
6164
6165 /*
6166 * "[" and "]" commands.
6167 * cap->arg is BACKWARD for "[" and FORWARD for "]".
6168 */
6169 static void
6170 nv_brackets(cap)
6171 cmdarg_T *cap;
6172 {
6173 pos_T new_pos;
6174 pos_T prev_pos;
6175 pos_T *pos = NULL; /* init for GCC */
6176 pos_T old_pos; /* cursor position before command */
6177 int flag;
6178 long n;
6179 int findc;
6180 int c;
6181
6182 cap->oap->motion_type = MCHAR;
6183 cap->oap->inclusive = FALSE;
6184 old_pos = curwin->w_cursor;
6185 #ifdef FEAT_VIRTUALEDIT
6186 curwin->w_cursor.coladd = 0; /* TODO: don't do this for an error. */
6187 #endif
6188
6189 #ifdef FEAT_SEARCHPATH
6190 /*
6191 * "[f" or "]f" : Edit file under the cursor (same as "gf")
6192 */
6193 if (cap->nchar == 'f')
6194 nv_gotofile(cap);
6195 else
6196 #endif
6197
6198 #ifdef FEAT_FIND_ID
6199 /*
6200 * Find the occurrence(s) of the identifier or define under cursor
6201 * in current and included files or jump to the first occurrence.
6202 *
6203 * search list jump
6204 * fwd bwd fwd bwd fwd bwd
6205 * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
6206 * define "]d" "[d" "]D" "[D" "]^D" "[^D"
6207 */
6208 if (vim_strchr((char_u *)
6209 #ifdef EBCDIC
6210 "iI\005dD\067",
6211 #else
6212 "iI\011dD\004",
6213 #endif
6214 cap->nchar) != NULL)
6215 {
6216 char_u *ptr;
6217 int len;
6218
6219 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6220 clearop(cap->oap);
6221 else
6222 {
6223 find_pattern_in_path(ptr, 0, len, TRUE,
6224 cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6225 ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
6226 cap->count1,
6227 isupper(cap->nchar) ? ACTION_SHOW_ALL :
6228 islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6229 cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6230 (linenr_T)MAXLNUM);
6231 curwin->w_set_curswant = TRUE;
6232 }
6233 }
6234 else
6235 #endif
6236
6237 /*
6238 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6239 * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6240 * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6241 * "[m" or "]m" search for prev/next start of (Java) method.
6242 * "[M" or "]M" search for prev/next end of (Java) method.
6243 */
6244 if ( (cap->cmdchar == '['
6245 && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6246 || (cap->cmdchar == ']'
6247 && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6248 {
6249 if (cap->nchar == '*')
6250 cap->nchar = '/';
6251 new_pos.lnum = 0;
6252 prev_pos.lnum = 0;
6253 if (cap->nchar == 'm' || cap->nchar == 'M')
6254 {
6255 if (cap->cmdchar == '[')
6256 findc = '{';
6257 else
6258 findc = '}';
6259 n = 9999;
6260 }
6261 else
6262 {
6263 findc = cap->nchar;
6264 n = cap->count1;
6265 }
6266 for ( ; n > 0; --n)
6267 {
6268 if ((pos = findmatchlimit(cap->oap, findc,
6269 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6270 {
6271 if (new_pos.lnum == 0) /* nothing found */
6272 {
6273 if (cap->nchar != 'm' && cap->nchar != 'M')
6274 clearopbeep(cap->oap);
6275 }
6276 else
6277 pos = &new_pos; /* use last one found */
6278 break;
6279 }
6280 prev_pos = new_pos;
6281 curwin->w_cursor = *pos;
6282 new_pos = *pos;
6283 }
6284 curwin->w_cursor = old_pos;
6285
6286 /*
6287 * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
6288 * brought us to the match for "[m" and "]M" when inside a method.
6289 * Try finding the '{' or '}' we want to be at.
6290 * Also repeat for the given count.
6291 */
6292 if (cap->nchar == 'm' || cap->nchar == 'M')
6293 {
6294 /* norm is TRUE for "]M" and "[m" */
6295 int norm = ((findc == '{') == (cap->nchar == 'm'));
6296
6297 n = cap->count1;
6298 /* found a match: we were inside a method */
6299 if (prev_pos.lnum != 0)
6300 {
6301 pos = &prev_pos;
6302 curwin->w_cursor = prev_pos;
6303 if (norm)
6304 --n;
6305 }
6306 else
6307 pos = NULL;
6308 while (n > 0)
6309 {
6310 for (;;)
6311 {
6312 if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6313 {
6314 /* if not found anything, that's an error */
6315 if (pos == NULL)
6316 clearopbeep(cap->oap);
6317 n = 0;
6318 break;
6319 }
6320 c = gchar_cursor();
6321 if (c == '{' || c == '}')
6322 {
6323 /* Must have found end/start of class: use it.
6324 * Or found the place to be at. */
6325 if ((c == findc && norm) || (n == 1 && !norm))
6326 {
6327 new_pos = curwin->w_cursor;
6328 pos = &new_pos;
6329 n = 0;
6330 }
6331 /* if no match found at all, we started outside of the
6332 * class and we're inside now. Just go on. */
6333 else if (new_pos.lnum == 0)
6334 {
6335 new_pos = curwin->w_cursor;
6336 pos = &new_pos;
6337 }
6338 /* found start/end of other method: go to match */
6339 else if ((pos = findmatchlimit(cap->oap, findc,
6340 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6341 0)) == NULL)
6342 n = 0;
6343 else
6344 curwin->w_cursor = *pos;
6345 break;
6346 }
6347 }
6348 --n;
6349 }
6350 curwin->w_cursor = old_pos;
6351 if (pos == NULL && new_pos.lnum != 0)
6352 clearopbeep(cap->oap);
6353 }
6354 if (pos != NULL)
6355 {
6356 setpcmark();
6357 curwin->w_cursor = *pos;
6358 curwin->w_set_curswant = TRUE;
6359 #ifdef FEAT_FOLDING
6360 if ((fdo_flags & FDO_BLOCK) && KeyTyped
6361 && cap->oap->op_type == OP_NOP)
6362 foldOpenCursor();
6363 #endif
6364 }
6365 }
6366
6367 /*
6368 * "[[", "[]", "]]" and "][": move to start or end of function
6369 */
6370 else if (cap->nchar == '[' || cap->nchar == ']')
6371 {
6372 if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */
6373 flag = '{';
6374 else
6375 flag = '}'; /* "][" or "[]" */
6376
6377 curwin->w_set_curswant = TRUE;
6378 /*
6379 * Imitate strange Vi behaviour: When using "]]" with an operator
6380 * we also stop at '}'.
6381 */
6382 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6383 (cap->oap->op_type != OP_NOP
6384 && cap->arg == FORWARD && flag == '{')))
6385 clearopbeep(cap->oap);
6386 else
6387 {
6388 if (cap->oap->op_type == OP_NOP)
6389 beginline(BL_WHITE | BL_FIX);
6390 #ifdef FEAT_FOLDING
6391 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6392 foldOpenCursor();
6393 #endif
6394 }
6395 }
6396
6397 /*
6398 * "[p", "[P", "]P" and "]p": put with indent adjustment
6399 */
6400 else if (cap->nchar == 'p' || cap->nchar == 'P')
6401 {
6402 if (!checkclearop(cap->oap))
6403 {
6404 prep_redo_cmd(cap);
6405 do_put(cap->oap->regname,
6406 (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6407 cap->count1, PUT_FIXINDENT);
6408 }
6409 }
6410
6411 /*
6412 * "['", "[`", "]'" and "]`": jump to next mark
6413 */
6414 else if (cap->nchar == '\'' || cap->nchar == '`')
6415 {
6416 pos = &curwin->w_cursor;
6417 for (n = cap->count1; n > 0; --n)
6418 {
6419 prev_pos = *pos;
6420 pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6421 cap->nchar == '\'');
6422 if (pos == NULL)
6423 break;
6424 }
6425 if (pos == NULL)
6426 pos = &prev_pos;
6427 nv_cursormark(cap, cap->nchar == '\'', pos);
6428 }
6429
6430 #ifdef FEAT_MOUSE
6431 /*
6432 * [ or ] followed by a middle mouse click: put selected text with
6433 * indent adjustment. Any other button just does as usual.
6434 */
6435 else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
6436 {
6437 (void)do_mouse(cap->oap, cap->nchar,
6438 (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6439 cap->count1, PUT_FIXINDENT);
6440 }
6441 #endif /* FEAT_MOUSE */
6442
6443 #ifdef FEAT_FOLDING
6444 /*
6445 * "[z" and "]z": move to start or end of open fold.
6446 */
6447 else if (cap->nchar == 'z')
6448 {
6449 if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6450 cap->count1) == FAIL)
6451 clearopbeep(cap->oap);
6452 }
6453 #endif
6454
6455 #ifdef FEAT_DIFF
6456 /*
6457 * "[c" and "]c": move to next or previous diff-change.
6458 */
6459 else if (cap->nchar == 'c')
6460 {
6461 if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6462 cap->count1) == FAIL)
6463 clearopbeep(cap->oap);
6464 }
6465 #endif
6466
6467 #ifdef FEAT_SPELL
6468 /*
6469 * "[s", "[S", "]s" and "]S": move to next spell error.
6470 */
6471 else if (cap->nchar == 's' || cap->nchar == 'S')
6472 {
6473 setpcmark();
6474 for (n = 0; n < cap->count1; ++n)
6475 if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6476 cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6477 {
6478 clearopbeep(cap->oap);
6479 break;
6480 }
6481 # ifdef FEAT_FOLDING
6482 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6483 foldOpenCursor();
6484 # endif
6485 }
6486 #endif
6487
6488 /* Not a valid cap->nchar. */
6489 else
6490 clearopbeep(cap->oap);
6491 }
6492
6493 /*
6494 * Handle Normal mode "%" command.
6495 */
6496 static void
6497 nv_percent(cap)
6498 cmdarg_T *cap;
6499 {
6500 pos_T *pos;
6501 #ifdef FEAT_FOLDING
6502 linenr_T lnum = curwin->w_cursor.lnum;
6503 #endif
6504
6505 cap->oap->inclusive = TRUE;
6506 if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */
6507 {
6508 if (cap->count0 > 100)
6509 clearopbeep(cap->oap);
6510 else
6511 {
6512 cap->oap->motion_type = MLINE;
6513 setpcmark();
6514 /* Round up, so CTRL-G will give same value. Watch out for a
6515 * large line count, the line number must not go negative! */
6516 if (curbuf->b_ml.ml_line_count > 1000000)
6517 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6518 / 100L * cap->count0;
6519 else
6520 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6521 cap->count0 + 99L) / 100L;
6522 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6523 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6524 beginline(BL_SOL | BL_FIX);
6525 }
6526 }
6527 else /* "%" : go to matching paren */
6528 {
6529 cap->oap->motion_type = MCHAR;
6530 cap->oap->use_reg_one = TRUE;
6531 if ((pos = findmatch(cap->oap, NUL)) == NULL)
6532 clearopbeep(cap->oap);
6533 else
6534 {
6535 setpcmark();
6536 curwin->w_cursor = *pos;
6537 curwin->w_set_curswant = TRUE;
6538 #ifdef FEAT_VIRTUALEDIT
6539 curwin->w_cursor.coladd = 0;
6540 #endif
6541 #ifdef FEAT_VISUAL
6542 adjust_for_sel(cap);
6543 #endif
6544 }
6545 }
6546 #ifdef FEAT_FOLDING
6547 if (cap->oap->op_type == OP_NOP
6548 && lnum != curwin->w_cursor.lnum
6549 && (fdo_flags & FDO_PERCENT)
6550 && KeyTyped)
6551 foldOpenCursor();
6552 #endif
6553 }
6554
6555 /*
6556 * Handle "(" and ")" commands.
6557 * cap->arg is BACKWARD for "(" and FORWARD for ")".
6558 */
6559 static void
6560 nv_brace(cap)
6561 cmdarg_T *cap;
6562 {
6563 cap->oap->motion_type = MCHAR;
6564 cap->oap->use_reg_one = TRUE;
6565 /* The motion used to be inclusive for "(", but that is not what Vi does. */
6566 cap->oap->inclusive = FALSE;
6567 curwin->w_set_curswant = TRUE;
6568
6569 if (findsent(cap->arg, cap->count1) == FAIL)
6570 clearopbeep(cap->oap);
6571 else
6572 {
6573 /* Don't leave the cursor on the NUL past end of line. */
6574 adjust_cursor(cap->oap);
6575 #ifdef FEAT_VIRTUALEDIT
6576 curwin->w_cursor.coladd = 0;
6577 #endif
6578 #ifdef FEAT_FOLDING
6579 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6580 foldOpenCursor();
6581 #endif
6582 }
6583 }
6584
6585 /*
6586 * "m" command: Mark a position.
6587 */
6588 static void
6589 nv_mark(cap)
6590 cmdarg_T *cap;
6591 {
6592 if (!checkclearop(cap->oap))
6593 {
6594 if (setmark(cap->nchar) == FAIL)
6595 clearopbeep(cap->oap);
6596 }
6597 }
6598
6599 /*
6600 * "{" and "}" commands.
6601 * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6602 */
6603 static void
6604 nv_findpar(cap)
6605 cmdarg_T *cap;
6606 {
6607 cap->oap->motion_type = MCHAR;
6608 cap->oap->inclusive = FALSE;
6609 cap->oap->use_reg_one = TRUE;
6610 curwin->w_set_curswant = TRUE;
6611 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6612 clearopbeep(cap->oap);
6613 else
6614 {
6615 #ifdef FEAT_VIRTUALEDIT
6616 curwin->w_cursor.coladd = 0;
6617 #endif
6618 #ifdef FEAT_FOLDING
6619 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6620 foldOpenCursor();
6621 #endif
6622 }
6623 }
6624
6625 /*
6626 * "u" command: Undo or make lower case.
6627 */
6628 static void
6629 nv_undo(cap)
6630 cmdarg_T *cap;
6631 {
6632 if (cap->oap->op_type == OP_LOWER
6633 #ifdef FEAT_VISUAL
6634 || VIsual_active
6635 #endif
6636 )
6637 {
6638 /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6639 cap->cmdchar = 'g';
6640 cap->nchar = 'u';
6641 nv_operator(cap);
6642 }
6643 else
6644 nv_kundo(cap);
6645 }
6646
6647 /*
6648 * <Undo> command.
6649 */
6650 static void
6651 nv_kundo(cap)
6652 cmdarg_T *cap;
6653 {
6654 if (!checkclearopq(cap->oap))
6655 {
6656 u_undo((int)cap->count1);
6657 curwin->w_set_curswant = TRUE;
6658 }
6659 }
6660
6661 /*
6662 * Handle the "r" command.
6663 */
6664 static void
6665 nv_replace(cap)
6666 cmdarg_T *cap;
6667 {
6668 char_u *ptr;
6669 int had_ctrl_v;
6670 long n;
6671
6672 if (checkclearop(cap->oap))
6673 return;
6674
6675 /* get another character */
6676 if (cap->nchar == Ctrl_V)
6677 {
6678 had_ctrl_v = Ctrl_V;
6679 cap->nchar = get_literal();
6680 /* Don't redo a multibyte character with CTRL-V. */
6681 if (cap->nchar > DEL)
6682 had_ctrl_v = NUL;
6683 }
6684 else
6685 had_ctrl_v = NUL;
6686
6687 /* Abort if the character is a special key. */
6688 if (IS_SPECIAL(cap->nchar))
6689 {
6690 clearopbeep(cap->oap);
6691 return;
6692 }
6693
6694 #ifdef FEAT_VISUAL
6695 /* Visual mode "r" */
6696 if (VIsual_active)
6697 {
6698 nv_operator(cap);
6699 return;
6700 }
6701 #endif
6702
6703 #ifdef FEAT_VIRTUALEDIT
6704 /* Break tabs, etc. */
6705 if (virtual_active())
6706 {
6707 if (u_save_cursor() == FAIL)
6708 return;
6709 if (gchar_cursor() == NUL)
6710 {
6711 /* Add extra space and put the cursor on the first one. */
6712 coladvance_force((colnr_T)(getviscol() + cap->count1));
6713 curwin->w_cursor.col -= cap->count1;
6714 }
6715 else if (gchar_cursor() == TAB)
6716 coladvance_force(getviscol());
6717 }
6718 #endif
6719
6720 /* Abort if not enough characters to replace. */
6721 ptr = ml_get_cursor();
6722 if (STRLEN(ptr) < (unsigned)cap->count1
6723 #ifdef FEAT_MBYTE
6724 || (has_mbyte && mb_charlen(ptr) < cap->count1)
6725 #endif
6726 )
6727 {
6728 clearopbeep(cap->oap);
6729 return;
6730 }
6731
6732 /*
6733 * Replacing with a TAB is done by edit() when it is complicated because
6734 * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
6735 * Other characters are done below to avoid problems with things like
6736 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6737 */
6738 if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6739 {
6740 stuffnumReadbuff(cap->count1);
6741 stuffcharReadbuff('R');
6742 stuffcharReadbuff('\t');
6743 stuffcharReadbuff(ESC);
6744 return;
6745 }
6746
6747 /* save line for undo */
6748 if (u_save_cursor() == FAIL)
6749 return;
6750
6751 if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6752 {
6753 /*
6754 * Replace character(s) by a single newline.
6755 * Strange vi behaviour: Only one newline is inserted.
6756 * Delete the characters here.
6757 * Insert the newline with an insert command, takes care of
6758 * autoindent. The insert command depends on being on the last
6759 * character of a line or not.
6760 */
6761 #ifdef FEAT_MBYTE
6762 (void)del_chars(cap->count1, FALSE); /* delete the characters */
6763 #else
6764 (void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6765 #endif
6766 stuffcharReadbuff('\r');
6767 stuffcharReadbuff(ESC);
6768
6769 /* Give 'r' to edit(), to get the redo command right. */
6770 invoke_edit(cap, TRUE, 'r', FALSE);
6771 }
6772 else
6773 {
6774 prep_redo(cap->oap->regname, cap->count1,
6775 NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6776
6777 curbuf->b_op_start = curwin->w_cursor;
6778 #ifdef FEAT_MBYTE
6779 if (has_mbyte)
6780 {
6781 int old_State = State;
6782
6783 if (cap->ncharC1 != 0)
6784 AppendCharToRedobuff(cap->ncharC1);
6785 if (cap->ncharC2 != 0)
6786 AppendCharToRedobuff(cap->ncharC2);
6787
6788 /* This is slow, but it handles replacing a single-byte with a
6789 * multi-byte and the other way around. Also handles adding
6790 * composing characters for utf-8. */
6791 for (n = cap->count1; n > 0; --n)
6792 {
6793 State = REPLACE;
6794 ins_char(cap->nchar);
6795 State = old_State;
6796 if (cap->ncharC1 != 0)
6797 ins_char(cap->ncharC1);
6798 if (cap->ncharC2 != 0)
6799 ins_char(cap->ncharC2);
6800 }
6801 }
6802 else
6803 #endif
6804 {
6805 /*
6806 * Replace the characters within one line.
6807 */
6808 for (n = cap->count1; n > 0; --n)
6809 {
6810 /*
6811 * Get ptr again, because u_save and/or showmatch() will have
6812 * released the line. At the same time we let know that the
6813 * line will be changed.
6814 */
6815 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6816 ptr[curwin->w_cursor.col] = cap->nchar;
6817 if (p_sm && msg_silent == 0)
6818 showmatch(cap->nchar);
6819 ++curwin->w_cursor.col;
6820 }
6821 #ifdef FEAT_NETBEANS_INTG
6822 if (usingNetbeans)
6823 {
6824 colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6825
6826 netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
6827 (long)cap->count1);
6828 netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6829 &ptr[start], (int)cap->count1);
6830 }
6831 #endif
6832
6833 /* mark the buffer as changed and prepare for displaying */
6834 changed_bytes(curwin->w_cursor.lnum,
6835 (colnr_T)(curwin->w_cursor.col - cap->count1));
6836 }
6837 --curwin->w_cursor.col; /* cursor on the last replaced char */
6838 #ifdef FEAT_MBYTE
6839 /* if the character on the left of the current cursor is a multi-byte
6840 * character, move two characters left */
6841 if (has_mbyte)
6842 mb_adjust_cursor();
6843 #endif
6844 curbuf->b_op_end = curwin->w_cursor;
6845 curwin->w_set_curswant = TRUE;
6846 set_last_insert(cap->nchar);
6847 }
6848 }
6849
6850 #ifdef FEAT_VISUAL
6851 /*
6852 * 'o': Exchange start and end of Visual area.
6853 * 'O': same, but in block mode exchange left and right corners.
6854 */
6855 static void
6856 v_swap_corners(cmdchar)
6857 int cmdchar;
6858 {
6859 pos_T old_cursor;
6860 colnr_T left, right;
6861
6862 if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6863 {
6864 old_cursor = curwin->w_cursor;
6865 getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6866 curwin->w_cursor.lnum = VIsual.lnum;
6867 coladvance(left);
6868 VIsual = curwin->w_cursor;
6869
6870 curwin->w_cursor.lnum = old_cursor.lnum;
6871 curwin->w_curswant = right;
6872 /* 'selection "exclusive" and cursor at right-bottom corner: move it
6873 * right one column */
6874 if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6875 ++curwin->w_curswant;
6876 coladvance(curwin->w_curswant);
6877 if (curwin->w_cursor.col == old_cursor.col
6878 #ifdef FEAT_VIRTUALEDIT
6879 && (!virtual_active()
6880 || curwin->w_cursor.coladd == old_cursor.coladd)
6881 #endif
6882 )
6883 {
6884 curwin->w_cursor.lnum = VIsual.lnum;
6885 if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6886 ++right;
6887 coladvance(right);
6888 VIsual = curwin->w_cursor;
6889
6890 curwin->w_cursor.lnum = old_cursor.lnum;
6891 coladvance(left);
6892 curwin->w_curswant = left;
6893 }
6894 }
6895 else
6896 {
6897 old_cursor = curwin->w_cursor;
6898 curwin->w_cursor = VIsual;
6899 VIsual = old_cursor;
6900 curwin->w_set_curswant = TRUE;
6901 }
6902 }
6903 #endif /* FEAT_VISUAL */
6904
6905 /*
6906 * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6907 */
6908 static void
6909 nv_Replace(cap)
6910 cmdarg_T *cap;
6911 {
6912 #ifdef FEAT_VISUAL
6913 if (VIsual_active) /* "R" is replace lines */
6914 {
6915 cap->cmdchar = 'c';
6916 cap->nchar = NUL;
6917 VIsual_mode = 'V';
6918 nv_operator(cap);
6919 }
6920 else
6921 #endif
6922 if (!checkclearopq(cap->oap))
6923 {
6924 if (!curbuf->b_p_ma)
6925 EMSG(_(e_modifiable));
6926 else
6927 {
6928 #ifdef FEAT_VIRTUALEDIT
6929 if (virtual_active())
6930 coladvance(getviscol());
6931 #endif
6932 invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
6933 }
6934 }
6935 }
6936
6937 #ifdef FEAT_VREPLACE
6938 /*
6939 * "gr".
6940 */
6941 static void
6942 nv_vreplace(cap)
6943 cmdarg_T *cap;
6944 {
6945 # ifdef FEAT_VISUAL
6946 if (VIsual_active)
6947 {
6948 cap->cmdchar = 'r';
6949 cap->nchar = cap->extra_char;
6950 nv_replace(cap); /* Do same as "r" in Visual mode for now */
6951 }
6952 else
6953 # endif
6954 if (!checkclearopq(cap->oap))
6955 {
6956 if (!curbuf->b_p_ma)
6957 EMSG(_(e_modifiable));
6958 else
6959 {
6960 if (cap->extra_char == Ctrl_V) /* get another character */
6961 cap->extra_char = get_literal();
6962 stuffcharReadbuff(cap->extra_char);
6963 stuffcharReadbuff(ESC);
6964 # ifdef FEAT_VIRTUALEDIT
6965 if (virtual_active())
6966 coladvance(getviscol());
6967 # endif
6968 invoke_edit(cap, TRUE, 'v', FALSE);
6969 }
6970 }
6971 }
6972 #endif
6973
6974 /*
6975 * Swap case for "~" command, when it does not work like an operator.
6976 */
6977 static void
6978 n_swapchar(cap)
6979 cmdarg_T *cap;
6980 {
6981 long n;
6982 pos_T startpos;
6983 int did_change = 0;
6984 #ifdef FEAT_NETBEANS_INTG
6985 pos_T pos;
6986 char_u *ptr;
6987 int count;
6988 #endif
6989
6990 if (checkclearopq(cap->oap))
6991 return;
6992
6993 if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
6994 {
6995 clearopbeep(cap->oap);
6996 return;
6997 }
6998
6999 prep_redo_cmd(cap);
7000
7001 if (u_save_cursor() == FAIL)
7002 return;
7003
7004 startpos = curwin->w_cursor;
7005 #ifdef FEAT_NETBEANS_INTG
7006 pos = startpos;
7007 #endif
7008 for (n = cap->count1; n > 0; --n)
7009 {
7010 did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
7011 inc_cursor();
7012 if (gchar_cursor() == NUL)
7013 {
7014 if (vim_strchr(p_ww, '~') != NULL
7015 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
7016 {
7017 #ifdef FEAT_NETBEANS_INTG
7018 if (usingNetbeans)
7019 {
7020 if (did_change)
7021 {
7022 ptr = ml_get(pos.lnum);
7023 count = (int)STRLEN(ptr) - pos.col;
7024 netbeans_removed(curbuf, pos.lnum, pos.col,
7025 (long)count);
7026 netbeans_inserted(curbuf, pos.lnum, pos.col,
7027 &ptr[pos.col], count);
7028 }
7029 pos.col = 0;
7030 pos.lnum++;
7031 }
7032 #endif
7033 ++curwin->w_cursor.lnum;
7034 curwin->w_cursor.col = 0;
7035 if (n > 1)
7036 {
7037 if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7038 break;
7039 u_clearline();
7040 }
7041 }
7042 else
7043 break;
7044 }
7045 }
7046 #ifdef FEAT_NETBEANS_INTG
7047 if (did_change && usingNetbeans)
7048 {
7049 ptr = ml_get(pos.lnum);
7050 count = curwin->w_cursor.col - pos.col;
7051 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7052 netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7053 }
7054 #endif
7055
7056
7057 check_cursor();
7058 curwin->w_set_curswant = TRUE;
7059 if (did_change)
7060 {
7061 changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7062 0L);
7063 curbuf->b_op_start = startpos;
7064 curbuf->b_op_end = curwin->w_cursor;
7065 if (curbuf->b_op_end.col > 0)
7066 --curbuf->b_op_end.col;
7067 }
7068 }
7069
7070 /*
7071 * Move cursor to mark.
7072 */
7073 static void
7074 nv_cursormark(cap, flag, pos)
7075 cmdarg_T *cap;
7076 int flag;
7077 pos_T *pos;
7078 {
7079 if (check_mark(pos) == FAIL)
7080 clearop(cap->oap);
7081 else
7082 {
7083 if (cap->cmdchar == '\''
7084 || cap->cmdchar == '`'
7085 || cap->cmdchar == '['
7086 || cap->cmdchar == ']')
7087 setpcmark();
7088 curwin->w_cursor = *pos;
7089 if (flag)
7090 beginline(BL_WHITE | BL_FIX);
7091 else
7092 check_cursor();
7093 }
7094 cap->oap->motion_type = flag ? MLINE : MCHAR;
7095 if (cap->cmdchar == '`')
7096 cap->oap->use_reg_one = TRUE;
7097 cap->oap->inclusive = FALSE; /* ignored if not MCHAR */
7098 curwin->w_set_curswant = TRUE;
7099 }
7100
7101 #ifdef FEAT_VISUAL
7102 /*
7103 * Handle commands that are operators in Visual mode.
7104 */
7105 static void
7106 v_visop(cap)
7107 cmdarg_T *cap;
7108 {
7109 static char_u trans[] = "YyDdCcxdXdAAIIrr";
7110
7111 /* Uppercase means linewise, except in block mode, then "D" deletes till
7112 * the end of the line, and "C" replaces til EOL */
7113 if (isupper(cap->cmdchar))
7114 {
7115 if (VIsual_mode != Ctrl_V)
7116 VIsual_mode = 'V';
7117 else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7118 curwin->w_curswant = MAXCOL;
7119 }
7120 cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7121 nv_operator(cap);
7122 }
7123 #endif
7124
7125 /*
7126 * "s" and "S" commands.
7127 */
7128 static void
7129 nv_subst(cap)
7130 cmdarg_T *cap;
7131 {
7132 #ifdef FEAT_VISUAL
7133 if (VIsual_active) /* "vs" and "vS" are the same as "vc" */
7134 {
7135 if (cap->cmdchar == 'S')
7136 VIsual_mode = 'V';
7137 cap->cmdchar = 'c';
7138 nv_operator(cap);
7139 }
7140 else
7141 #endif
7142 nv_optrans(cap);
7143 }
7144
7145 /*
7146 * Abbreviated commands.
7147 */
7148 static void
7149 nv_abbrev(cap)
7150 cmdarg_T *cap;
7151 {
7152 if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7153 cap->cmdchar = 'x'; /* DEL key behaves like 'x' */
7154
7155 #ifdef FEAT_VISUAL
7156 /* in Visual mode these commands are operators */
7157 if (VIsual_active)
7158 v_visop(cap);
7159 else
7160 #endif
7161 nv_optrans(cap);
7162 }
7163
7164 /*
7165 * Translate a command into another command.
7166 */
7167 static void
7168 nv_optrans(cap)
7169 cmdarg_T *cap;
7170 {
7171 static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7172 (char_u *)"d$", (char_u *)"c$",
7173 (char_u *)"cl", (char_u *)"cc",
7174 (char_u *)"yy", (char_u *)":s\r"};
7175 static char_u *str = (char_u *)"xXDCsSY&";
7176
7177 if (!checkclearopq(cap->oap))
7178 {
7179 /* In Vi "2D" doesn't delete the next line. Can't translate it
7180 * either, because "2." should also not use the count. */
7181 if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7182 {
7183 cap->oap->start = curwin->w_cursor;
7184 cap->oap->op_type = OP_DELETE;
7185 #ifdef FEAT_EVAL
7186 set_op_var(OP_DELETE);
7187 #endif
7188 cap->count1 = 1;
7189 nv_dollar(cap);
7190 finish_op = TRUE;
7191 ResetRedobuff();
7192 AppendCharToRedobuff('D');
7193 }
7194 else
7195 {
7196 if (cap->count0)
7197 stuffnumReadbuff(cap->count0);
7198 stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7199 }
7200 }
7201 cap->opcount = 0;
7202 }
7203
7204 /*
7205 * "'" and "`" commands. Also for "g'" and "g`".
7206 * cap->arg is TRUE for "'" and "g'".
7207 */
7208 static void
7209 nv_gomark(cap)
7210 cmdarg_T *cap;
7211 {
7212 pos_T *pos;
7213 int c;
7214 #ifdef FEAT_FOLDING
7215 linenr_T lnum = curwin->w_cursor.lnum;
7216 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7217 #endif
7218
7219 if (cap->cmdchar == 'g')
7220 c = cap->extra_char;
7221 else
7222 c = cap->nchar;
7223 pos = getmark(c, (cap->oap->op_type == OP_NOP));
7224 if (pos == (pos_T *)-1) /* jumped to other file */
7225 {
7226 if (cap->arg)
7227 {
7228 check_cursor_lnum();
7229 beginline(BL_WHITE | BL_FIX);
7230 }
7231 else
7232 check_cursor();
7233 }
7234 else
7235 nv_cursormark(cap, cap->arg, pos);
7236
7237 #ifdef FEAT_VIRTUALEDIT
7238 /* May need to clear the coladd that a mark includes. */
7239 if (!virtual_active())
7240 curwin->w_cursor.coladd = 0;
7241 #endif
7242 #ifdef FEAT_FOLDING
7243 if (cap->oap->op_type == OP_NOP
7244 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7245 && (fdo_flags & FDO_MARK)
7246 && old_KeyTyped)
7247 foldOpenCursor();
7248 #endif
7249 }
7250
7251 /*
7252 * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7253 */
7254 static void
7255 nv_pcmark(cap)
7256 cmdarg_T *cap;
7257 {
7258 #ifdef FEAT_JUMPLIST
7259 pos_T *pos;
7260 # ifdef FEAT_FOLDING
7261 linenr_T lnum = curwin->w_cursor.lnum;
7262 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7263 # endif
7264
7265 if (!checkclearopq(cap->oap))
7266 {
7267 if (cap->cmdchar == 'g')
7268 pos = movechangelist((int)cap->count1);
7269 else
7270 pos = movemark((int)cap->count1);
7271 if (pos == (pos_T *)-1) /* jump to other file */
7272 {
7273 curwin->w_set_curswant = TRUE;
7274 check_cursor();
7275 }
7276 else if (pos != NULL) /* can jump */
7277 nv_cursormark(cap, FALSE, pos);
7278 else if (cap->cmdchar == 'g')
7279 {
7280 if (curbuf->b_changelistlen == 0)
7281 EMSG(_("E664: changelist is empty"));
7282 else if (cap->count1 < 0)
7283 EMSG(_("E662: At start of changelist"));
7284 else
7285 EMSG(_("E663: At end of changelist"));
7286 }
7287 else
7288 clearopbeep(cap->oap);
7289 # ifdef FEAT_FOLDING
7290 if (cap->oap->op_type == OP_NOP
7291 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7292 && (fdo_flags & FDO_MARK)
7293 && old_KeyTyped)
7294 foldOpenCursor();
7295 # endif
7296 }
7297 #else
7298 clearopbeep(cap->oap);
7299 #endif
7300 }
7301
7302 /*
7303 * Handle '"' command.
7304 */
7305 static void
7306 nv_regname(cap)
7307 cmdarg_T *cap;
7308 {
7309 if (checkclearop(cap->oap))
7310 return;
7311 #ifdef FEAT_EVAL
7312 if (cap->nchar == '=')
7313 cap->nchar = get_expr_register();
7314 #endif
7315 if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7316 {
7317 cap->oap->regname = cap->nchar;
7318 cap->opcount = cap->count0; /* remember count before '"' */
7319 #ifdef FEAT_EVAL
7320 set_reg_var(cap->oap->regname);
7321 #endif
7322 }
7323 else
7324 clearopbeep(cap->oap);
7325 }
7326
7327 #ifdef FEAT_VISUAL
7328 /*
7329 * Handle "v", "V" and "CTRL-V" commands.
7330 * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7331 * is TRUE.
7332 * Handle CTRL-Q just like CTRL-V.
7333 */
7334 static void
7335 nv_visual(cap)
7336 cmdarg_T *cap;
7337 {
7338 if (cap->cmdchar == Ctrl_Q)
7339 cap->cmdchar = Ctrl_V;
7340
7341 /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7342 * characterwise, linewise, or blockwise. */
7343 if (cap->oap->op_type != OP_NOP)
7344 {
7345 cap->oap->motion_force = cap->cmdchar;
7346 finish_op = FALSE; /* operator doesn't finish now but later */
7347 return;
7348 }
7349
7350 VIsual_select = cap->arg;
7351 if (VIsual_active) /* change Visual mode */
7352 {
7353 if (VIsual_mode == cap->cmdchar) /* stop visual mode */
7354 end_visual_mode();
7355 else /* toggle char/block mode */
7356 { /* or char/line mode */
7357 VIsual_mode = cap->cmdchar;
7358 showmode();
7359 }
7360 redraw_curbuf_later(INVERTED); /* update the inversion */
7361 }
7362 else /* start Visual mode */
7363 {
7364 check_visual_highlight();
7365 if (cap->count0) /* use previously selected part */
7366 {
7367 if (resel_VIsual_mode == NUL) /* there is none */
7368 {
7369 beep_flush();
7370 return;
7371 }
7372 VIsual = curwin->w_cursor;
7373
7374 VIsual_active = TRUE;
7375 VIsual_reselect = TRUE;
7376 if (!cap->arg)
7377 /* start Select mode when 'selectmode' contains "cmd" */
7378 may_start_select('c');
7379 #ifdef FEAT_MOUSE
7380 setmouse();
7381 #endif
7382 if (p_smd && msg_silent == 0)
7383 redraw_cmdline = TRUE; /* show visual mode later */
7384 /*
7385 * For V and ^V, we multiply the number of lines even if there
7386 * was only one -- webb
7387 */
7388 if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7389 {
7390 curwin->w_cursor.lnum +=
7391 resel_VIsual_line_count * cap->count0 - 1;
7392 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7393 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7394 }
7395 VIsual_mode = resel_VIsual_mode;
7396 if (VIsual_mode == 'v')
7397 {
7398 if (resel_VIsual_line_count <= 1)
7399 curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
7400 else
7401 curwin->w_cursor.col = resel_VIsual_col;
7402 check_cursor_col();
7403 }
7404 if (resel_VIsual_col == MAXCOL)
7405 {
7406 curwin->w_curswant = MAXCOL;
7407 coladvance((colnr_T)MAXCOL);
7408 }
7409 else if (VIsual_mode == Ctrl_V)
7410 {
7411 validate_virtcol();
7412 curwin->w_curswant = curwin->w_virtcol
7413 + resel_VIsual_col * cap->count0 - 1;
7414 coladvance(curwin->w_curswant);
7415 }
7416 else
7417 curwin->w_set_curswant = TRUE;
7418 redraw_curbuf_later(INVERTED); /* show the inversion */
7419 }
7420 else
7421 {
7422 if (!cap->arg)
7423 /* start Select mode when 'selectmode' contains "cmd" */
7424 may_start_select('c');
7425 n_start_visual_mode(cap->cmdchar);
7426 }
7427 }
7428 }
7429
7430 /*
7431 * Start selection for Shift-movement keys.
7432 */
7433 void
7434 start_selection()
7435 {
7436 /* if 'selectmode' contains "key", start Select mode */
7437 may_start_select('k');
7438 n_start_visual_mode('v');
7439 }
7440
7441 /*
7442 * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7443 */
7444 void
7445 may_start_select(c)
7446 int c;
7447 {
7448 VIsual_select = (stuff_empty() && typebuf_typed()
7449 && (vim_strchr(p_slm, c) != NULL));
7450 }
7451
7452 /*
7453 * Start Visual mode "c".
7454 * Should set VIsual_select before calling this.
7455 */
7456 static void
7457 n_start_visual_mode(c)
7458 int c;
7459 {
7460 VIsual_mode = c;
7461 VIsual_active = TRUE;
7462 VIsual_reselect = TRUE;
7463 #ifdef FEAT_VIRTUALEDIT
7464 /* Corner case: the 0 position in a tab may change when going into
7465 * virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting.
7466 */
7467 if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7468 coladvance(curwin->w_virtcol);
7469 #endif
7470 VIsual = curwin->w_cursor;
7471
7472 #ifdef FEAT_FOLDING
7473 foldAdjustVisual();
7474 #endif
7475
7476 #ifdef FEAT_MOUSE
7477 setmouse();
7478 #endif
7479 if (p_smd && msg_silent == 0)
7480 redraw_cmdline = TRUE; /* show visual mode later */
7481 #ifdef FEAT_CLIPBOARD
7482 /* Make sure the clipboard gets updated. Needed because start and
7483 * end may still be the same, and the selection needs to be owned */
7484 clip_star.vmode = NUL;
7485 #endif
7486
7487 /* Only need to redraw this line, unless still need to redraw an old
7488 * Visual area (when 'lazyredraw' is set). */
7489 if (curwin->w_redr_type < INVERTED)
7490 {
7491 curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7492 curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7493 }
7494 }
7495
7496 #endif /* FEAT_VISUAL */
7497
7498 /*
7499 * CTRL-W: Window commands
7500 */
7501 static void
7502 nv_window(cap)
7503 cmdarg_T *cap;
7504 {
7505 #ifdef FEAT_WINDOWS
7506 if (!checkclearop(cap->oap))
7507 do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7508 #else
7509 (void)checkclearop(cap->oap);
7510 #endif
7511 }
7512
7513 /*
7514 * CTRL-Z: Suspend
7515 */
7516 static void
7517 nv_suspend(cap)
7518 cmdarg_T *cap;
7519 {
7520 clearop(cap->oap);
7521 #ifdef FEAT_VISUAL
7522 if (VIsual_active)
7523 end_visual_mode(); /* stop Visual mode */
7524 #endif
7525 do_cmdline_cmd((char_u *)"st");
7526 }
7527
7528 /*
7529 * Commands starting with "g".
7530 */
7531 static void
7532 nv_g_cmd(cap)
7533 cmdarg_T *cap;
7534 {
7535 oparg_T *oap = cap->oap;
7536 #ifdef FEAT_VISUAL
7537 pos_T tpos;
7538 #endif
7539 int i;
7540 int flag = FALSE;
7541
7542 switch (cap->nchar)
7543 {
7544 #ifdef MEM_PROFILE
7545 /*
7546 * "g^A": dump log of used memory.
7547 */
7548 case Ctrl_A:
7549 vim_mem_profile_dump();
7550 break;
7551 #endif
7552
7553 #ifdef FEAT_VREPLACE
7554 /*
7555 * "gR": Enter virtual replace mode.
7556 */
7557 case 'R':
7558 cap->arg = TRUE;
7559 nv_Replace(cap);
7560 break;
7561
7562 case 'r':
7563 nv_vreplace(cap);
7564 break;
7565 #endif
7566
7567 case '&':
7568 do_cmdline_cmd((char_u *)"%s//~/&");
7569 break;
7570
7571 #ifdef FEAT_VISUAL
7572 /*
7573 * "gv": Reselect the previous Visual area. If Visual already active,
7574 * exchange previous and current Visual area.
7575 */
7576 case 'v':
7577 if (checkclearop(oap))
7578 break;
7579
7580 if ( curbuf->b_visual.vi_start.lnum == 0
7581 || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7582 || curbuf->b_visual.vi_end.lnum == 0)
7583 beep_flush();
7584 else
7585 {
7586 /* set w_cursor to the start of the Visual area, tpos to the end */
7587 if (VIsual_active)
7588 {
7589 i = VIsual_mode;
7590 VIsual_mode = curbuf->b_visual.vi_mode;
7591 curbuf->b_visual.vi_mode = i;
7592 # ifdef FEAT_EVAL
7593 curbuf->b_visual_mode_eval = i;
7594 # endif
7595 i = curwin->w_curswant;
7596 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7597 curbuf->b_visual.vi_curswant = i;
7598
7599 tpos = curbuf->b_visual.vi_end;
7600 curbuf->b_visual.vi_end = curwin->w_cursor;
7601 curwin->w_cursor = curbuf->b_visual.vi_start;
7602 curbuf->b_visual.vi_start = VIsual;
7603 }
7604 else
7605 {
7606 VIsual_mode = curbuf->b_visual.vi_mode;
7607 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7608 tpos = curbuf->b_visual.vi_end;
7609 curwin->w_cursor = curbuf->b_visual.vi_start;
7610 }
7611
7612 VIsual_active = TRUE;
7613 VIsual_reselect = TRUE;
7614
7615 /* Set Visual to the start and w_cursor to the end of the Visual
7616 * area. Make sure they are on an existing character. */
7617 check_cursor();
7618 VIsual = curwin->w_cursor;
7619 curwin->w_cursor = tpos;
7620 check_cursor();
7621 update_topline();
7622 /*
7623 * When called from normal "g" command: start Select mode when
7624 * 'selectmode' contains "cmd". When called for K_SELECT, always
7625 * start Select mode.
7626 */
7627 if (cap->arg)
7628 VIsual_select = TRUE;
7629 else
7630 may_start_select('c');
7631 #ifdef FEAT_MOUSE
7632 setmouse();
7633 #endif
7634 #ifdef FEAT_CLIPBOARD
7635 /* Make sure the clipboard gets updated. Needed because start and
7636 * end are still the same, and the selection needs to be owned */
7637 clip_star.vmode = NUL;
7638 #endif
7639 redraw_curbuf_later(INVERTED);
7640 showmode();
7641 }
7642 break;
7643 /*
7644 * "gV": Don't reselect the previous Visual area after a Select mode
7645 * mapping of menu.
7646 */
7647 case 'V':
7648 VIsual_reselect = FALSE;
7649 break;
7650
7651 /*
7652 * "gh": start Select mode.
7653 * "gH": start Select line mode.
7654 * "g^H": start Select block mode.
7655 */
7656 case K_BS:
7657 cap->nchar = Ctrl_H;
7658 /* FALLTHROUGH */
7659 case 'h':
7660 case 'H':
7661 case Ctrl_H:
7662 # ifdef EBCDIC
7663 /* EBCDIC: 'v'-'h' != '^v'-'^h' */
7664 if (cap->nchar == Ctrl_H)
7665 cap->cmdchar = Ctrl_V;
7666 else
7667 # endif
7668 cap->cmdchar = cap->nchar + ('v' - 'h');
7669 cap->arg = TRUE;
7670 nv_visual(cap);
7671 break;
7672 #endif /* FEAT_VISUAL */
7673
7674 /*
7675 * "gj" and "gk" two new funny movement keys -- up and down
7676 * movement based on *screen* line rather than *file* line.
7677 */
7678 case 'j':
7679 case K_DOWN:
7680 /* with 'nowrap' it works just like the normal "j" command; also when
7681 * in a closed fold */
7682 if (!curwin->w_p_wrap
7683 #ifdef FEAT_FOLDING
7684 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7685 #endif
7686 )
7687 {
7688 oap->motion_type = MLINE;
7689 i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7690 }
7691 else
7692 i = nv_screengo(oap, FORWARD, cap->count1);
7693 if (i == FAIL)
7694 clearopbeep(oap);
7695 break;
7696
7697 case 'k':
7698 case K_UP:
7699 /* with 'nowrap' it works just like the normal "k" command; also when
7700 * in a closed fold */
7701 if (!curwin->w_p_wrap
7702 #ifdef FEAT_FOLDING
7703 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7704 #endif
7705 )
7706 {
7707 oap->motion_type = MLINE;
7708 i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7709 }
7710 else
7711 i = nv_screengo(oap, BACKWARD, cap->count1);
7712 if (i == FAIL)
7713 clearopbeep(oap);
7714 break;
7715
7716 /*
7717 * "gJ": join two lines without inserting a space.
7718 */
7719 case 'J':
7720 nv_join(cap);
7721 break;
7722
7723 /*
7724 * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7725 * "gm": middle of "g0" and "g$".
7726 */
7727 case '^':
7728 flag = TRUE;
7729 /* FALLTHROUGH */
7730
7731 case '0':
7732 case 'm':
7733 case K_HOME:
7734 case K_KHOME:
7735 oap->motion_type = MCHAR;
7736 oap->inclusive = FALSE;
7737 if (curwin->w_p_wrap
7738 #ifdef FEAT_VERTSPLIT
7739 && curwin->w_width != 0
7740 #endif
7741 )
7742 {
7743 int width1 = W_WIDTH(curwin) - curwin_col_off();
7744 int width2 = width1 + curwin_col_off2();
7745
7746 validate_virtcol();
7747 i = 0;
7748 if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7749 i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7750 }
7751 else
7752 i = curwin->w_leftcol;
7753 /* Go to the middle of the screen line. When 'number' is on and lines
7754 * are wrapping the middle can be more to the left.*/
7755 if (cap->nchar == 'm')
7756 i += (W_WIDTH(curwin) - curwin_col_off()
7757 + ((curwin->w_p_wrap && i > 0)
7758 ? curwin_col_off2() : 0)) / 2;
7759 coladvance((colnr_T)i);
7760 if (flag)
7761 {
7762 do
7763 i = gchar_cursor();
7764 while (vim_iswhite(i) && oneright() == OK);
7765 }
7766 curwin->w_set_curswant = TRUE;
7767 break;
7768
7769 case '_':
7770 /* "g_": to the last non-blank character in the line or <count> lines
7771 * downward. */
7772 cap->oap->motion_type = MCHAR;
7773 cap->oap->inclusive = TRUE;
7774 curwin->w_curswant = MAXCOL;
7775 if (cursor_down((long)(cap->count1 - 1),
7776 cap->oap->op_type == OP_NOP) == FAIL)
7777 clearopbeep(cap->oap);
7778 else
7779 {
7780 char_u *ptr = ml_get_curline();
7781
7782 /* In Visual mode we may end up after the line. */
7783 if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7784 --curwin->w_cursor.col;
7785
7786 /* Decrease the cursor column until it's on a non-blank. */
7787 while (curwin->w_cursor.col > 0
7788 && vim_iswhite(ptr[curwin->w_cursor.col]))
7789 --curwin->w_cursor.col;
7790 curwin->w_set_curswant = TRUE;
7791 }
7792 break;
7793
7794 case '$':
7795 case K_END:
7796 case K_KEND:
7797 {
7798 int col_off = curwin_col_off();
7799
7800 oap->motion_type = MCHAR;
7801 oap->inclusive = TRUE;
7802 if (curwin->w_p_wrap
7803 #ifdef FEAT_VERTSPLIT
7804 && curwin->w_width != 0
7805 #endif
7806 )
7807 {
7808 curwin->w_curswant = MAXCOL; /* so we stay at the end */
7809 if (cap->count1 == 1)
7810 {
7811 int width1 = W_WIDTH(curwin) - col_off;
7812 int width2 = width1 + curwin_col_off2();
7813
7814 validate_virtcol();
7815 i = width1 - 1;
7816 if (curwin->w_virtcol >= (colnr_T)width1)
7817 i += ((curwin->w_virtcol - width1) / width2 + 1)
7818 * width2;
7819 coladvance((colnr_T)i);
7820 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7821 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7822 {
7823 /*
7824 * Check for landing on a character that got split at
7825 * the end of the line. We do not want to advance to
7826 * the next screen line.
7827 */
7828 validate_virtcol();
7829 if (curwin->w_virtcol > (colnr_T)i)
7830 --curwin->w_cursor.col;
7831 }
7832 #endif
7833 }
7834 else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7835 clearopbeep(oap);
7836 }
7837 else
7838 {
7839 i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7840 coladvance((colnr_T)i);
7841
7842 /* Make sure we stick in this column. */
7843 validate_virtcol();
7844 curwin->w_curswant = curwin->w_virtcol;
7845 curwin->w_set_curswant = FALSE;
7846 }
7847 }
7848 break;
7849
7850 /*
7851 * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7852 */
7853 case '*':
7854 case '#':
7855 #if POUND != '#'
7856 case POUND: /* pound sign (sometimes equal to '#') */
7857 #endif
7858 case Ctrl_RSB: /* :tag or :tselect for current identifier */
7859 case ']': /* :tselect for current identifier */
7860 nv_ident(cap);
7861 break;
7862
7863 /*
7864 * ge and gE: go back to end of word
7865 */
7866 case 'e':
7867 case 'E':
7868 oap->motion_type = MCHAR;
7869 curwin->w_set_curswant = TRUE;
7870 oap->inclusive = TRUE;
7871 if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7872 clearopbeep(oap);
7873 break;
7874
7875 /*
7876 * "g CTRL-G": display info about cursor position
7877 */
7878 case Ctrl_G:
7879 cursor_pos_info();
7880 break;
7881
7882 /*
7883 * "gi": start Insert at the last position.
7884 */
7885 case 'i':
7886 if (curbuf->b_last_insert.lnum != 0)
7887 {
7888 curwin->w_cursor = curbuf->b_last_insert;
7889 check_cursor_lnum();
7890 i = (int)STRLEN(ml_get_curline());
7891 if (curwin->w_cursor.col > (colnr_T)i)
7892 {
7893 #ifdef FEAT_VIRTUALEDIT
7894 if (virtual_active())
7895 curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7896 #endif
7897 curwin->w_cursor.col = i;
7898 }
7899 }
7900 cap->cmdchar = 'i';
7901 nv_edit(cap);
7902 break;
7903
7904 /*
7905 * "gI": Start insert in column 1.
7906 */
7907 case 'I':
7908 beginline(0);
7909 if (!checkclearopq(oap))
7910 invoke_edit(cap, FALSE, 'g', FALSE);
7911 break;
7912
7913 #ifdef FEAT_SEARCHPATH
7914 /*
7915 * "gf": goto file, edit file under cursor
7916 * "]f" and "[f": can also be used.
7917 */
7918 case 'f':
7919 case 'F':
7920 nv_gotofile(cap);
7921 break;
7922 #endif
7923
7924 /* "g'm" and "g`m": jump to mark without setting pcmark */
7925 case '\'':
7926 cap->arg = TRUE;
7927 /*FALLTHROUGH*/
7928 case '`':
7929 nv_gomark(cap);
7930 break;
7931
7932 /*
7933 * "gs": Goto sleep.
7934 */
7935 case 's':
7936 do_sleep(cap->count1 * 1000L);
7937 break;
7938
7939 /*
7940 * "ga": Display the ascii value of the character under the
7941 * cursor. It is displayed in decimal, hex, and octal. -- webb
7942 */
7943 case 'a':
7944 do_ascii(NULL);
7945 break;
7946
7947 #ifdef FEAT_MBYTE
7948 /*
7949 * "g8": Display the bytes used for the UTF-8 character under the
7950 * cursor. It is displayed in hex.
7951 * "8g8" finds illegal byte sequence.
7952 */
7953 case '8':
7954 if (cap->count0 == 8)
7955 utf_find_illegal();
7956 else
7957 show_utf8();
7958 break;
7959 #endif
7960
7961 case '<':
7962 show_sb_text();
7963 break;
7964
7965 /*
7966 * "gg": Goto the first line in file. With a count it goes to
7967 * that line number like for "G". -- webb
7968 */
7969 case 'g':
7970 cap->arg = FALSE;
7971 nv_goto(cap);
7972 break;
7973
7974 /*
7975 * Two-character operators:
7976 * "gq" Format text
7977 * "gw" Format text and keep cursor position
7978 * "g~" Toggle the case of the text.
7979 * "gu" Change text to lower case.
7980 * "gU" Change text to upper case.
7981 * "g?" rot13 encoding
7982 * "g@" call 'operatorfunc'
7983 */
7984 case 'q':
7985 case 'w':
7986 oap->cursor_start = curwin->w_cursor;
7987 /*FALLTHROUGH*/
7988 case '~':
7989 case 'u':
7990 case 'U':
7991 case '?':
7992 case '@':
7993 nv_operator(cap);
7994 break;
7995
7996 /*
7997 * "gd": Find first occurrence of pattern under the cursor in the
7998 * current function
7999 * "gD": idem, but in the current file.
8000 */
8001 case 'd':
8002 case 'D':
8003 nv_gd(oap, cap->nchar, (int)cap->count0);
8004 break;
8005
8006 #ifdef FEAT_MOUSE
8007 /*
8008 * g<*Mouse> : <C-*mouse>
8009 */
8010 case K_MIDDLEMOUSE:
8011 case K_MIDDLEDRAG:
8012 case K_MIDDLERELEASE:
8013 case K_LEFTMOUSE:
8014 case K_LEFTDRAG:
8015 case K_LEFTRELEASE:
8016 case K_RIGHTMOUSE:
8017 case K_RIGHTDRAG:
8018 case K_RIGHTRELEASE:
8019 case K_X1MOUSE:
8020 case K_X1DRAG:
8021 case K_X1RELEASE:
8022 case K_X2MOUSE:
8023 case K_X2DRAG:
8024 case K_X2RELEASE:
8025 mod_mask = MOD_MASK_CTRL;
8026 (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8027 break;
8028 #endif
8029
8030 case K_IGNORE:
8031 break;
8032
8033 /*
8034 * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8035 */
8036 case 'p':
8037 case 'P':
8038 nv_put(cap);
8039 break;
8040
8041 #ifdef FEAT_BYTEOFF
8042 /* "go": goto byte count from start of buffer */
8043 case 'o':
8044 goto_byte(cap->count0);
8045 break;
8046 #endif
8047
8048 /* "gQ": improved Ex mode */
8049 case 'Q':
8050 if (text_locked())
8051 {
8052 clearopbeep(cap->oap);
8053 text_locked_msg();
8054 break;
8055 }
8056
8057 if (!checkclearopq(oap))
8058 do_exmode(TRUE);
8059 break;
8060
8061 #ifdef FEAT_JUMPLIST
8062 case ',':
8063 nv_pcmark(cap);
8064 break;
8065
8066 case ';':
8067 cap->count1 = -cap->count1;
8068 nv_pcmark(cap);
8069 break;
8070 #endif
8071
8072 #ifdef FEAT_WINDOWS
8073 case 't':
8074 goto_tabpage((int)cap->count0);
8075 break;
8076 case 'T':
8077 goto_tabpage(-(int)cap->count1);
8078 break;
8079 #endif
8080
8081 case '+':
8082 case '-': /* "g+" and "g-": undo or redo along the timeline */
8083 if (!checkclearopq(oap))
8084 undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8085 FALSE, FALSE);
8086 break;
8087
8088 default:
8089 clearopbeep(oap);
8090 break;
8091 }
8092 }
8093
8094 /*
8095 * Handle "o" and "O" commands.
8096 */
8097 static void
8098 n_opencmd(cap)
8099 cmdarg_T *cap;
8100 {
8101 if (!checkclearopq(cap->oap))
8102 {
8103 #ifdef FEAT_FOLDING
8104 if (cap->cmdchar == 'O')
8105 /* Open above the first line of a folded sequence of lines */
8106 (void)hasFolding(curwin->w_cursor.lnum,
8107 &curwin->w_cursor.lnum, NULL);
8108 else
8109 /* Open below the last line of a folded sequence of lines */
8110 (void)hasFolding(curwin->w_cursor.lnum,
8111 NULL, &curwin->w_cursor.lnum);
8112 #endif
8113 if (u_save((linenr_T)(curwin->w_cursor.lnum -
8114 (cap->cmdchar == 'O' ? 1 : 0)),
8115 (linenr_T)(curwin->w_cursor.lnum +
8116 (cap->cmdchar == 'o' ? 1 : 0))
8117 ) == OK
8118 && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8119 #ifdef FEAT_COMMENTS
8120 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8121 #endif
8122 0, 0))
8123 {
8124 /* When '#' is in 'cpoptions' ignore the count. */
8125 if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8126 cap->count1 = 1;
8127 invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8128 }
8129 }
8130 }
8131
8132 /*
8133 * "." command: redo last change.
8134 */
8135 static void
8136 nv_dot(cap)
8137 cmdarg_T *cap;
8138 {
8139 if (!checkclearopq(cap->oap))
8140 {
8141 /*
8142 * If "restart_edit" is TRUE, the last but one command is repeated
8143 * instead of the last command (inserting text). This is used for
8144 * CTRL-O <.> in insert mode.
8145 */
8146 if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8147 clearopbeep(cap->oap);
8148 }
8149 }
8150
8151 /*
8152 * CTRL-R: undo undo
8153 */
8154 static void
8155 nv_redo(cap)
8156 cmdarg_T *cap;
8157 {
8158 if (!checkclearopq(cap->oap))
8159 {
8160 u_redo((int)cap->count1);
8161 curwin->w_set_curswant = TRUE;
8162 }
8163 }
8164
8165 /*
8166 * Handle "U" command.
8167 */
8168 static void
8169 nv_Undo(cap)
8170 cmdarg_T *cap;
8171 {
8172 /* In Visual mode and typing "gUU" triggers an operator */
8173 if (cap->oap->op_type == OP_UPPER
8174 #ifdef FEAT_VISUAL
8175 || VIsual_active
8176 #endif
8177 )
8178 {
8179 /* translate "gUU" to "gUgU" */
8180 cap->cmdchar = 'g';
8181 cap->nchar = 'U';
8182 nv_operator(cap);
8183 }
8184 else if (!checkclearopq(cap->oap))
8185 {
8186 u_undoline();
8187 curwin->w_set_curswant = TRUE;
8188 }
8189 }
8190
8191 /*
8192 * '~' command: If tilde is not an operator and Visual is off: swap case of a
8193 * single character.
8194 */
8195 static void
8196 nv_tilde(cap)
8197 cmdarg_T *cap;
8198 {
8199 if (!p_to
8200 #ifdef FEAT_VISUAL
8201 && !VIsual_active
8202 #endif
8203 && cap->oap->op_type != OP_TILDE)
8204 n_swapchar(cap);
8205 else
8206 nv_operator(cap);
8207 }
8208
8209 /*
8210 * Handle an operator command.
8211 * The actual work is done by do_pending_operator().
8212 */
8213 static void
8214 nv_operator(cap)
8215 cmdarg_T *cap;
8216 {
8217 int op_type;
8218
8219 op_type = get_op_type(cap->cmdchar, cap->nchar);
8220
8221 if (op_type == cap->oap->op_type) /* double operator works on lines */
8222 nv_lineop(cap);
8223 else if (!checkclearop(cap->oap))
8224 {
8225 cap->oap->start = curwin->w_cursor;
8226 cap->oap->op_type = op_type;
8227 #ifdef FEAT_EVAL
8228 set_op_var(op_type);
8229 #endif
8230 }
8231 }
8232
8233 #ifdef FEAT_EVAL
8234 /*
8235 * Set v:operator to the characters for "optype".
8236 */
8237 static void
8238 set_op_var(optype)
8239 int optype;
8240 {
8241 char_u opchars[3];
8242
8243 if (optype == OP_NOP)
8244 set_vim_var_string(VV_OP, NULL, 0);
8245 else
8246 {
8247 opchars[0] = get_op_char(optype);
8248 opchars[1] = get_extra_op_char(optype);
8249 opchars[2] = NUL;
8250 set_vim_var_string(VV_OP, opchars, -1);
8251 }
8252 }
8253 #endif
8254
8255 /*
8256 * Handle linewise operator "dd", "yy", etc.
8257 *
8258 * "_" is is a strange motion command that helps make operators more logical.
8259 * It is actually implemented, but not documented in the real Vi. This motion
8260 * command actually refers to "the current line". Commands like "dd" and "yy"
8261 * are really an alternate form of "d_" and "y_". It does accept a count, so
8262 * "d3_" works to delete 3 lines.
8263 */
8264 static void
8265 nv_lineop(cap)
8266 cmdarg_T *cap;
8267 {
8268 cap->oap->motion_type = MLINE;
8269 if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8270 clearopbeep(cap->oap);
8271 else if ( cap->oap->op_type == OP_DELETE
8272 || cap->oap->op_type == OP_LSHIFT
8273 || cap->oap->op_type == OP_RSHIFT)
8274 beginline(BL_SOL | BL_FIX);
8275 else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */
8276 beginline(BL_WHITE | BL_FIX);
8277 }
8278
8279 /*
8280 * <Home> command.
8281 */
8282 static void
8283 nv_home(cap)
8284 cmdarg_T *cap;
8285 {
8286 /* CTRL-HOME is like "gg" */
8287 if (mod_mask & MOD_MASK_CTRL)
8288 nv_goto(cap);
8289 else
8290 {
8291 cap->count0 = 1;
8292 nv_pipe(cap);
8293 }
8294 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8295 one-character line). */
8296 }
8297
8298 /*
8299 * "|" command.
8300 */
8301 static void
8302 nv_pipe(cap)
8303 cmdarg_T *cap;
8304 {
8305 cap->oap->motion_type = MCHAR;
8306 cap->oap->inclusive = FALSE;
8307 beginline(0);
8308 if (cap->count0 > 0)
8309 {
8310 coladvance((colnr_T)(cap->count0 - 1));
8311 curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8312 }
8313 else
8314 curwin->w_curswant = 0;
8315 /* keep curswant at the column where we wanted to go, not where
8316 we ended; differs if line is too short */
8317 curwin->w_set_curswant = FALSE;
8318 }
8319
8320 /*
8321 * Handle back-word command "b" and "B".
8322 * cap->arg is 1 for "B"
8323 */
8324 static void
8325 nv_bck_word(cap)
8326 cmdarg_T *cap;
8327 {
8328 cap->oap->motion_type = MCHAR;
8329 cap->oap->inclusive = FALSE;
8330 curwin->w_set_curswant = TRUE;
8331 if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8332 clearopbeep(cap->oap);
8333 #ifdef FEAT_FOLDING
8334 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8335 foldOpenCursor();
8336 #endif
8337 }
8338
8339 /*
8340 * Handle word motion commands "e", "E", "w" and "W".
8341 * cap->arg is TRUE for "E" and "W".
8342 */
8343 static void
8344 nv_wordcmd(cap)
8345 cmdarg_T *cap;
8346 {
8347 int n;
8348 int word_end;
8349 int flag = FALSE;
8350
8351 /*
8352 * Set inclusive for the "E" and "e" command.
8353 */
8354 if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8355 word_end = TRUE;
8356 else
8357 word_end = FALSE;
8358 cap->oap->inclusive = word_end;
8359
8360 /*
8361 * "cw" and "cW" are a special case.
8362 */
8363 if (!word_end && cap->oap->op_type == OP_CHANGE)
8364 {
8365 n = gchar_cursor();
8366 if (n != NUL) /* not an empty line */
8367 {
8368 if (vim_iswhite(n))
8369 {
8370 /*
8371 * Reproduce a funny Vi behaviour: "cw" on a blank only
8372 * changes one character, not all blanks until the start of
8373 * the next word. Only do this when the 'w' flag is included
8374 * in 'cpoptions'.
8375 */
8376 if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8377 {
8378 cap->oap->inclusive = TRUE;
8379 cap->oap->motion_type = MCHAR;
8380 return;
8381 }
8382 }
8383 else
8384 {
8385 /*
8386 * This is a little strange. To match what the real Vi does,
8387 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8388 * that we are not on a space or a TAB. This seems impolite
8389 * at first, but it's really more what we mean when we say
8390 * 'cw'.
8391 * Another strangeness: When standing on the end of a word
8392 * "ce" will change until the end of the next wordt, but "cw"
8393 * will change only one character! This is done by setting
8394 * flag.
8395 */
8396 cap->oap->inclusive = TRUE;
8397 word_end = TRUE;
8398 flag = TRUE;
8399 }
8400 }
8401 }
8402
8403 cap->oap->motion_type = MCHAR;
8404 curwin->w_set_curswant = TRUE;
8405 if (word_end)
8406 n = end_word(cap->count1, cap->arg, flag, FALSE);
8407 else
8408 n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8409
8410 /* Don't leave the cursor on the NUL past the end of line. */
8411 if (n != FAIL)
8412 adjust_cursor(cap->oap);
8413
8414 if (n == FAIL && cap->oap->op_type == OP_NOP)
8415 clearopbeep(cap->oap);
8416 else
8417 {
8418 #ifdef FEAT_VISUAL
8419 adjust_for_sel(cap);
8420 #endif
8421 #ifdef FEAT_FOLDING
8422 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8423 foldOpenCursor();
8424 #endif
8425 }
8426 }
8427
8428 /*
8429 * Used after a movement command: If the cursor ends up on the NUL after the
8430 * end of the line, may move it back to the last character and make the motion
8431 * inclusive.
8432 */
8433 static void
8434 adjust_cursor(oap)
8435 oparg_T *oap;
8436 {
8437 /* The cursor cannot remain on the NUL when:
8438 * - the column is > 0
8439 * - not in Visual mode or 'selection' is "o"
8440 * - 'virtualedit' is not "all" and not "onemore".
8441 */
8442 if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
8443 #ifdef FEAT_VISUAL
8444 && (!VIsual_active || *p_sel == 'o')
8445 #endif
8446 #ifdef FEAT_VIRTUALEDIT
8447 && !virtual_active() && (ve_flags & VE_ONEMORE) == 0
8448 #endif
8449 )
8450 {
8451 --curwin->w_cursor.col;
8452 #ifdef FEAT_MBYTE
8453 /* prevent cursor from moving on the trail byte */
8454 if (has_mbyte)
8455 mb_adjust_cursor();
8456 #endif
8457 oap->inclusive = TRUE;
8458 }
8459 }
8460
8461 /*
8462 * "0" and "^" commands.
8463 * cap->arg is the argument for beginline().
8464 */
8465 static void
8466 nv_beginline(cap)
8467 cmdarg_T *cap;
8468 {
8469 cap->oap->motion_type = MCHAR;
8470 cap->oap->inclusive = FALSE;
8471 beginline(cap->arg);
8472 #ifdef FEAT_FOLDING
8473 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8474 foldOpenCursor();
8475 #endif
8476 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8477 one-character line). */
8478 }
8479
8480 #ifdef FEAT_VISUAL
8481 /*
8482 * In exclusive Visual mode, may include the last character.
8483 */
8484 static void
8485 adjust_for_sel(cap)
8486 cmdarg_T *cap;
8487 {
8488 if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8489 && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8490 {
8491 # ifdef FEAT_MBYTE
8492 if (has_mbyte)
8493 inc_cursor();
8494 else
8495 # endif
8496 ++curwin->w_cursor.col;
8497 cap->oap->inclusive = FALSE;
8498 }
8499 }
8500
8501 /*
8502 * Exclude last character at end of Visual area for 'selection' == "exclusive".
8503 * Should check VIsual_mode before calling this.
8504 * Returns TRUE when backed up to the previous line.
8505 */
8506 static int
8507 unadjust_for_sel()
8508 {
8509 pos_T *pp;
8510
8511 if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8512 {
8513 if (lt(VIsual, curwin->w_cursor))
8514 pp = &curwin->w_cursor;
8515 else
8516 pp = &VIsual;
8517 #ifdef FEAT_VIRTUALEDIT
8518 if (pp->coladd > 0)
8519 --pp->coladd;
8520 else
8521 #endif
8522 if (pp->col > 0)
8523 {
8524 --pp->col;
8525 #ifdef FEAT_MBYTE
8526 mb_adjustpos(pp);
8527 #endif
8528 }
8529 else if (pp->lnum > 1)
8530 {
8531 --pp->lnum;
8532 pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8533 return TRUE;
8534 }
8535 }
8536 return FALSE;
8537 }
8538
8539 /*
8540 * SELECT key in Normal or Visual mode: end of Select mode mapping.
8541 */
8542 static void
8543 nv_select(cap)
8544 cmdarg_T *cap;
8545 {
8546 if (VIsual_active)
8547 VIsual_select = TRUE;
8548 else if (VIsual_reselect)
8549 {
8550 cap->nchar = 'v'; /* fake "gv" command */
8551 cap->arg = TRUE;
8552 nv_g_cmd(cap);
8553 }
8554 }
8555
8556 #endif
8557
8558 /*
8559 * "G", "gg", CTRL-END, CTRL-HOME.
8560 * cap->arg is TRUE for "G".
8561 */
8562 static void
8563 nv_goto(cap)
8564 cmdarg_T *cap;
8565 {
8566 linenr_T lnum;
8567
8568 if (cap->arg)
8569 lnum = curbuf->b_ml.ml_line_count;
8570 else
8571 lnum = 1L;
8572 cap->oap->motion_type = MLINE;
8573 setpcmark();
8574
8575 /* When a count is given, use it instead of the default lnum */
8576 if (cap->count0 != 0)
8577 lnum = cap->count0;
8578 if (lnum < 1L)
8579 lnum = 1L;
8580 else if (lnum > curbuf->b_ml.ml_line_count)
8581 lnum = curbuf->b_ml.ml_line_count;
8582 curwin->w_cursor.lnum = lnum;
8583 beginline(BL_SOL | BL_FIX);
8584 #ifdef FEAT_FOLDING
8585 if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8586 foldOpenCursor();
8587 #endif
8588 }
8589
8590 /*
8591 * CTRL-\ in Normal mode.
8592 */
8593 static void
8594 nv_normal(cap)
8595 cmdarg_T *cap;
8596 {
8597 if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8598 {
8599 clearop(cap->oap);
8600 if (restart_edit != 0 && mode_displayed)
8601 clear_cmdline = TRUE; /* unshow mode later */
8602 restart_edit = 0;
8603 #ifdef FEAT_CMDWIN
8604 if (cmdwin_type != 0)
8605 cmdwin_result = Ctrl_C;
8606 #endif
8607 #ifdef FEAT_VISUAL
8608 if (VIsual_active)
8609 {
8610 end_visual_mode(); /* stop Visual */
8611 redraw_curbuf_later(INVERTED);
8612 }
8613 #endif
8614 /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8615 if (cap->nchar == Ctrl_G && p_im)
8616 restart_edit = 'a';
8617 }
8618 else
8619 clearopbeep(cap->oap);
8620 }
8621
8622 /*
8623 * ESC in Normal mode: beep, but don't flush buffers.
8624 * Don't even beep if we are canceling a command.
8625 */
8626 static void
8627 nv_esc(cap)
8628 cmdarg_T *cap;
8629 {
8630 int no_reason;
8631
8632 no_reason = (cap->oap->op_type == OP_NOP
8633 && cap->opcount == 0
8634 && cap->count0 == 0
8635 && cap->oap->regname == 0
8636 && !p_im);
8637
8638 if (cap->arg) /* TRUE for CTRL-C */
8639 {
8640 if (restart_edit == 0
8641 #ifdef FEAT_CMDWIN
8642 && cmdwin_type == 0
8643 #endif
8644 #ifdef FEAT_VISUAL
8645 && !VIsual_active
8646 #endif
8647 && no_reason)
8648 MSG(_("Type :quit<Enter> to exit Vim"));
8649
8650 /* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8651 * set again below when halfway a mapping. */
8652 if (!p_im)
8653 restart_edit = 0;
8654 #ifdef FEAT_CMDWIN
8655 if (cmdwin_type != 0)
8656 {
8657 cmdwin_result = K_IGNORE;
8658 got_int = FALSE; /* don't stop executing autocommands et al. */
8659 return;
8660 }
8661 #endif
8662 }
8663
8664 #ifdef FEAT_VISUAL
8665 if (VIsual_active)
8666 {
8667 end_visual_mode(); /* stop Visual */
8668 check_cursor_col(); /* make sure cursor is not beyond EOL */
8669 curwin->w_set_curswant = TRUE;
8670 redraw_curbuf_later(INVERTED);
8671 }
8672 else
8673 #endif
8674 if (no_reason)
8675 vim_beep();
8676 clearop(cap->oap);
8677
8678 /* A CTRL-C is often used at the start of a menu. When 'insertmode' is
8679 * set return to Insert mode afterwards. */
8680 if (restart_edit == 0 && goto_im()
8681 #ifdef FEAT_EX_EXTRA
8682 && ex_normal_busy == 0
8683 #endif
8684 )
8685 restart_edit = 'a';
8686 }
8687
8688 /*
8689 * Handle "A", "a", "I", "i" and <Insert> commands.
8690 */
8691 static void
8692 nv_edit(cap)
8693 cmdarg_T *cap;
8694 {
8695 /* <Insert> is equal to "i" */
8696 if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8697 cap->cmdchar = 'i';
8698
8699 #ifdef FEAT_VISUAL
8700 /* in Visual mode "A" and "I" are an operator */
8701 if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8702 v_visop(cap);
8703
8704 /* in Visual mode and after an operator "a" and "i" are for text objects */
8705 else
8706 #endif
8707 if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8708 && (cap->oap->op_type != OP_NOP
8709 #ifdef FEAT_VISUAL
8710 || VIsual_active
8711 #endif
8712 ))
8713 {
8714 #ifdef FEAT_TEXTOBJ
8715 nv_object(cap);
8716 #else
8717 clearopbeep(cap->oap);
8718 #endif
8719 }
8720 else if (!curbuf->b_p_ma && !p_im)
8721 {
8722 /* Only give this error when 'insertmode' is off. */
8723 EMSG(_(e_modifiable));
8724 clearop(cap->oap);
8725 }
8726 else if (!checkclearopq(cap->oap))
8727 {
8728 switch (cap->cmdchar)
8729 {
8730 case 'A': /* "A"ppend after the line */
8731 curwin->w_set_curswant = TRUE;
8732 #ifdef FEAT_VIRTUALEDIT
8733 if (ve_flags == VE_ALL)
8734 {
8735 int save_State = State;
8736
8737 /* Pretent Insert mode here to allow the cursor on the
8738 * character past the end of the line */
8739 State = INSERT;
8740 coladvance((colnr_T)MAXCOL);
8741 State = save_State;
8742 }
8743 else
8744 #endif
8745 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8746 break;
8747
8748 case 'I': /* "I"nsert before the first non-blank */
8749 if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
8750 beginline(BL_WHITE);
8751 else
8752 beginline(BL_WHITE|BL_FIX);
8753 break;
8754
8755 case 'a': /* "a"ppend is like "i"nsert on the next character. */
8756 #ifdef FEAT_VIRTUALEDIT
8757 /* increment coladd when in virtual space, increment the
8758 * column otherwise, also to append after an unprintable char */
8759 if (virtual_active()
8760 && (curwin->w_cursor.coladd > 0
8761 || *ml_get_cursor() == NUL
8762 || *ml_get_cursor() == TAB))
8763 curwin->w_cursor.coladd++;
8764 else
8765 #endif
8766 if (*ml_get_cursor() != NUL)
8767 inc_cursor();
8768 break;
8769 }
8770
8771 #ifdef FEAT_VIRTUALEDIT
8772 if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8773 {
8774 int save_State = State;
8775
8776 /* Pretent Insert mode here to allow the cursor on the
8777 * character past the end of the line */
8778 State = INSERT;
8779 coladvance(getviscol());
8780 State = save_State;
8781 }
8782 #endif
8783
8784 invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8785 }
8786 }
8787
8788 /*
8789 * Invoke edit() and take care of "restart_edit" and the return value.
8790 */
8791 static void
8792 invoke_edit(cap, repl, cmd, startln)
8793 cmdarg_T *cap;
8794 int repl; /* "r" or "gr" command */
8795 int cmd;
8796 int startln;
8797 {
8798 int restart_edit_save = 0;
8799
8800 /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8801 * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
8802 * it. */
8803 if (repl || !stuff_empty())
8804 restart_edit_save = restart_edit;
8805 else
8806 restart_edit_save = 0;
8807
8808 /* Always reset "restart_edit", this is not a restarted edit. */
8809 restart_edit = 0;
8810
8811 if (edit(cmd, startln, cap->count1))
8812 cap->retval |= CA_COMMAND_BUSY;
8813
8814 if (restart_edit == 0)
8815 restart_edit = restart_edit_save;
8816 }
8817
8818 #ifdef FEAT_TEXTOBJ
8819 /*
8820 * "a" or "i" while an operator is pending or in Visual mode: object motion.
8821 */
8822 static void
8823 nv_object(cap)
8824 cmdarg_T *cap;
8825 {
8826 int flag;
8827 int include;
8828 char_u *mps_save;
8829
8830 if (cap->cmdchar == 'i')
8831 include = FALSE; /* "ix" = inner object: exclude white space */
8832 else
8833 include = TRUE; /* "ax" = an object: include white space */
8834
8835 /* Make sure (), [], {} and <> are in 'matchpairs' */
8836 mps_save = curbuf->b_p_mps;
8837 curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8838
8839 switch (cap->nchar)
8840 {
8841 case 'w': /* "aw" = a word */
8842 flag = current_word(cap->oap, cap->count1, include, FALSE);
8843 break;
8844 case 'W': /* "aW" = a WORD */
8845 flag = current_word(cap->oap, cap->count1, include, TRUE);
8846 break;
8847 case 'b': /* "ab" = a braces block */
8848 case '(':
8849 case ')':
8850 flag = current_block(cap->oap, cap->count1, include, '(', ')');
8851 break;
8852 case 'B': /* "aB" = a Brackets block */
8853 case '{':
8854 case '}':
8855 flag = current_block(cap->oap, cap->count1, include, '{', '}');
8856 break;
8857 case '[': /* "a[" = a [] block */
8858 case ']':
8859 flag = current_block(cap->oap, cap->count1, include, '[', ']');
8860 break;
8861 case '<': /* "a<" = a <> block */
8862 case '>':
8863 flag = current_block(cap->oap, cap->count1, include, '<', '>');
8864 break;
8865 case 't': /* "at" = a tag block (xml and html) */
8866 flag = current_tagblock(cap->oap, cap->count1, include);
8867 break;
8868 case 'p': /* "ap" = a paragraph */
8869 flag = current_par(cap->oap, cap->count1, include, 'p');
8870 break;
8871 case 's': /* "as" = a sentence */
8872 flag = current_sent(cap->oap, cap->count1, include);
8873 break;
8874 case '"': /* "a"" = a double quoted string */
8875 case '\'': /* "a'" = a single quoted string */
8876 case '`': /* "a`" = a backtick quoted string */
8877 flag = current_quote(cap->oap, cap->count1, include,
8878 cap->nchar);
8879 break;
8880 #if 0 /* TODO */
8881 case 'S': /* "aS" = a section */
8882 case 'f': /* "af" = a filename */
8883 case 'u': /* "au" = a URL */
8884 #endif
8885 default:
8886 flag = FAIL;
8887 break;
8888 }
8889
8890 curbuf->b_p_mps = mps_save;
8891 if (flag == FAIL)
8892 clearopbeep(cap->oap);
8893 adjust_cursor_col();
8894 curwin->w_set_curswant = TRUE;
8895 }
8896 #endif
8897
8898 /*
8899 * "q" command: Start/stop recording.
8900 * "q:", "q/", "q?": edit command-line in command-line window.
8901 */
8902 static void
8903 nv_record(cap)
8904 cmdarg_T *cap;
8905 {
8906 if (cap->oap->op_type == OP_FORMAT)
8907 {
8908 /* "gqq" is the same as "gqgq": format line */
8909 cap->cmdchar = 'g';
8910 cap->nchar = 'q';
8911 nv_operator(cap);
8912 }
8913 else if (!checkclearop(cap->oap))
8914 {
8915 #ifdef FEAT_CMDWIN
8916 if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
8917 {
8918 stuffcharReadbuff(cap->nchar);
8919 stuffcharReadbuff(K_CMDWIN);
8920 }
8921 else
8922 #endif
8923 /* (stop) recording into a named register, unless executing a
8924 * register */
8925 if (!Exec_reg && do_record(cap->nchar) == FAIL)
8926 clearopbeep(cap->oap);
8927 }
8928 }
8929
8930 /*
8931 * Handle the "@r" command.
8932 */
8933 static void
8934 nv_at(cap)
8935 cmdarg_T *cap;
8936 {
8937 if (checkclearop(cap->oap))
8938 return;
8939 #ifdef FEAT_EVAL
8940 if (cap->nchar == '=')
8941 {
8942 if (get_expr_register() == NUL)
8943 return;
8944 }
8945 #endif
8946 while (cap->count1-- && !got_int)
8947 {
8948 if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
8949 {
8950 clearopbeep(cap->oap);
8951 break;
8952 }
8953 line_breakcheck();
8954 }
8955 }
8956
8957 /*
8958 * Handle the CTRL-U and CTRL-D commands.
8959 */
8960 static void
8961 nv_halfpage(cap)
8962 cmdarg_T *cap;
8963 {
8964 if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
8965 || (cap->cmdchar == Ctrl_D
8966 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
8967 clearopbeep(cap->oap);
8968 else if (!checkclearop(cap->oap))
8969 halfpage(cap->cmdchar == Ctrl_D, cap->count0);
8970 }
8971
8972 /*
8973 * Handle "J" or "gJ" command.
8974 */
8975 static void
8976 nv_join(cap)
8977 cmdarg_T *cap;
8978 {
8979 #ifdef FEAT_VISUAL
8980 if (VIsual_active) /* join the visual lines */
8981 nv_operator(cap);
8982 else
8983 #endif
8984 if (!checkclearop(cap->oap))
8985 {
8986 if (cap->count0 <= 1)
8987 cap->count0 = 2; /* default for join is two lines! */
8988 if (curwin->w_cursor.lnum + cap->count0 - 1 >
8989 curbuf->b_ml.ml_line_count)
8990 clearopbeep(cap->oap); /* beyond last line */
8991 else
8992 {
8993 prep_redo(cap->oap->regname, cap->count0,
8994 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
8995 do_do_join(cap->count0, cap->nchar == NUL);
8996 }
8997 }
8998 }
8999
9000 /*
9001 * "P", "gP", "p" and "gp" commands.
9002 */
9003 static void
9004 nv_put(cap)
9005 cmdarg_T *cap;
9006 {
9007 #ifdef FEAT_VISUAL
9008 int regname = 0;
9009 void *reg1 = NULL, *reg2 = NULL;
9010 int empty = FALSE;
9011 int was_visual = FALSE;
9012 #endif
9013 int dir;
9014 int flags = 0;
9015
9016 if (cap->oap->op_type != OP_NOP)
9017 {
9018 #ifdef FEAT_DIFF
9019 /* "dp" is ":diffput" */
9020 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
9021 {
9022 clearop(cap->oap);
9023 nv_diffgetput(TRUE);
9024 }
9025 else
9026 #endif
9027 clearopbeep(cap->oap);
9028 }
9029 else
9030 {
9031 dir = (cap->cmdchar == 'P'
9032 || (cap->cmdchar == 'g' && cap->nchar == 'P'))
9033 ? BACKWARD : FORWARD;
9034 prep_redo_cmd(cap);
9035 if (cap->cmdchar == 'g')
9036 flags |= PUT_CURSEND;
9037
9038 #ifdef FEAT_VISUAL
9039 if (VIsual_active)
9040 {
9041 /* Putting in Visual mode: The put text replaces the selected
9042 * text. First delete the selected text, then put the new text.
9043 * Need to save and restore the registers that the delete
9044 * overwrites if the old contents is being put.
9045 */
9046 was_visual = TRUE;
9047 regname = cap->oap->regname;
9048 # ifdef FEAT_CLIPBOARD
9049 adjust_clip_reg(&regname);
9050 # endif
9051 if (regname == 0 || VIM_ISDIGIT(regname)
9052 # ifdef FEAT_CLIPBOARD
9053 || (clip_unnamed && (regname == '*' || regname == '+'))
9054 # endif
9055
9056 )
9057 {
9058 /* the delete is going to overwrite the register we want to
9059 * put, save it first. */
9060 reg1 = get_register(regname, TRUE);
9061 }
9062
9063 /* Now delete the selected text. */
9064 cap->cmdchar = 'd';
9065 cap->nchar = NUL;
9066 cap->oap->regname = NUL;
9067 nv_operator(cap);
9068 do_pending_operator(cap, 0, FALSE);
9069 empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
9070
9071 /* delete PUT_LINE_BACKWARD; */
9072 cap->oap->regname = regname;
9073
9074 if (reg1 != NULL)
9075 {
9076 /* Delete probably changed the register we want to put, save
9077 * it first. Then put back what was there before the delete. */
9078 reg2 = get_register(regname, FALSE);
9079 put_register(regname, reg1);
9080 }
9081
9082 /* When deleted a linewise Visual area, put the register as
9083 * lines to avoid it joined with the next line. When deletion was
9084 * characterwise, split a line when putting lines. */
9085 if (VIsual_mode == 'V')
9086 flags |= PUT_LINE;
9087 else if (VIsual_mode == 'v')
9088 flags |= PUT_LINE_SPLIT;
9089 if (VIsual_mode == Ctrl_V && dir == FORWARD)
9090 flags |= PUT_LINE_FORWARD;
9091 dir = BACKWARD;
9092 if ((VIsual_mode != 'V'
9093 && curwin->w_cursor.col < curbuf->b_op_start.col)
9094 || (VIsual_mode == 'V'
9095 && curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9096 /* cursor is at the end of the line or end of file, put
9097 * forward. */
9098 dir = FORWARD;
9099 }
9100 #endif
9101 do_put(cap->oap->regname, dir, cap->count1, flags);
9102
9103 #ifdef FEAT_VISUAL
9104 /* If a register was saved, put it back now. */
9105 if (reg2 != NULL)
9106 put_register(regname, reg2);
9107
9108 /* What to reselect with "gv"? Selecting the just put text seems to
9109 * be the most useful, since the original text was removed. */
9110 if (was_visual)
9111 {
9112 curbuf->b_visual.vi_start = curbuf->b_op_start;
9113 curbuf->b_visual.vi_end = curbuf->b_op_end;
9114 }
9115
9116 /* When all lines were selected and deleted do_put() leaves an empty
9117 * line that needs to be deleted now. */
9118 if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9119 {
9120 ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9121
9122 /* If the cursor was in that line, move it to the end of the last
9123 * line. */
9124 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9125 {
9126 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9127 coladvance((colnr_T)MAXCOL);
9128 }
9129 }
9130 #endif
9131 auto_format(FALSE, TRUE);
9132 }
9133 }
9134
9135 /*
9136 * "o" and "O" commands.
9137 */
9138 static void
9139 nv_open(cap)
9140 cmdarg_T *cap;
9141 {
9142 #ifdef FEAT_DIFF
9143 /* "do" is ":diffget" */
9144 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9145 {
9146 clearop(cap->oap);
9147 nv_diffgetput(FALSE);
9148 }
9149 else
9150 #endif
9151 #ifdef FEAT_VISUAL
9152 if (VIsual_active) /* switch start and end of visual */
9153 v_swap_corners(cap->cmdchar);
9154 else
9155 #endif
9156 n_opencmd(cap);
9157 }
9158
9159 #ifdef FEAT_SNIFF
9160 /*ARGSUSED*/
9161 static void
9162 nv_sniff(cap)
9163 cmdarg_T *cap;
9164 {
9165 ProcessSniffRequests();
9166 }
9167 #endif
9168
9169 #ifdef FEAT_NETBEANS_INTG
9170 static void
9171 nv_nbcmd(cap)
9172 cmdarg_T *cap;
9173 {
9174 netbeans_keycommand(cap->nchar);
9175 }
9176 #endif
9177
9178 #ifdef FEAT_DND
9179 /*ARGSUSED*/
9180 static void
9181 nv_drop(cap)
9182 cmdarg_T *cap;
9183 {
9184 do_put('~', BACKWARD, 1L, PUT_CURSEND);
9185 }
9186 #endif
9187
9188 #ifdef FEAT_AUTOCMD
9189 /*
9190 * Trigger CursorHold event.
9191 * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9192 * input buffer. "did_cursorhold" is set to avoid retriggering.
9193 */
9194 /*ARGSUSED*/
9195 static void
9196 nv_cursorhold(cap)
9197 cmdarg_T *cap;
9198 {
9199 apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9200 did_cursorhold = TRUE;
9201 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
9202 }
9203 #endif
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