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Merged from the latest developing branch.
[MacVim.git] / src / normal.c
blob160beb6545ca8f7bff5371289789c4c0d9d90774
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 static char *e_noident = N_("E349: No identifier under cursor");
187
188 /*
189 * Function to be called for a Normal or Visual mode command.
190 * The argument is a cmdarg_T.
191 */
192 typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
193
194 /* Values for cmd_flags. */
195 #define NV_NCH 0x01 /* may need to get a second char */
196 #define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */
197 #define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */
198 #define NV_LANG 0x08 /* second char needs language adjustment */
199
200 #define NV_SS 0x10 /* may start selection */
201 #define NV_SSS 0x20 /* may start selection with shift modifier */
202 #define NV_STS 0x40 /* may stop selection without shift modif. */
203 #define NV_RL 0x80 /* 'rightleft' modifies command */
204 #define NV_KEEPREG 0x100 /* don't clear regname */
205 #define NV_NCW 0x200 /* not allowed in command-line window */
206
207 /*
208 * Generally speaking, every Normal mode command should either clear any
209 * pending operator (with *clearop*()), or set the motion type variable
210 * oap->motion_type.
211 *
212 * When a cursor motion command is made, it is marked as being a character or
213 * line oriented motion. Then, if an operator is in effect, the operation
214 * becomes character or line oriented accordingly.
215 */
216
217 /*
218 * This table contains one entry for every Normal or Visual mode command.
219 * The order doesn't matter, init_normal_cmds() will create a sorted index.
220 * It is faster when all keys from zero to '~' are present.
221 */
222 static const struct nv_cmd
223 {
224 int cmd_char; /* (first) command character */
225 nv_func_T cmd_func; /* function for this command */
226 short_u cmd_flags; /* NV_ flags */
227 short cmd_arg; /* value for ca.arg */
228 } nv_cmds[] =
229 {
230 {NUL, nv_error, 0, 0},
231 {Ctrl_A, nv_addsub, 0, 0},
232 {Ctrl_B, nv_page, NV_STS, BACKWARD},
233 {Ctrl_C, nv_esc, 0, TRUE},
234 {Ctrl_D, nv_halfpage, 0, 0},
235 {Ctrl_E, nv_scroll_line, 0, TRUE},
236 {Ctrl_F, nv_page, NV_STS, FORWARD},
237 {Ctrl_G, nv_ctrlg, 0, 0},
238 {Ctrl_H, nv_ctrlh, 0, 0},
239 {Ctrl_I, nv_pcmark, 0, 0},
240 {NL, nv_down, 0, FALSE},
241 {Ctrl_K, nv_error, 0, 0},
242 {Ctrl_L, nv_clear, 0, 0},
243 {Ctrl_M, nv_down, 0, TRUE},
244 {Ctrl_N, nv_down, NV_STS, FALSE},
245 {Ctrl_O, nv_ctrlo, 0, 0},
246 {Ctrl_P, nv_up, NV_STS, FALSE},
247 #ifdef FEAT_VISUAL
248 {Ctrl_Q, nv_visual, 0, FALSE},
249 #else
250 {Ctrl_Q, nv_ignore, 0, 0},
251 #endif
252 {Ctrl_R, nv_redo, 0, 0},
253 {Ctrl_S, nv_ignore, 0, 0},
254 {Ctrl_T, nv_tagpop, NV_NCW, 0},
255 {Ctrl_U, nv_halfpage, 0, 0},
256 #ifdef FEAT_VISUAL
257 {Ctrl_V, nv_visual, 0, FALSE},
258 {'V', nv_visual, 0, FALSE},
259 {'v', nv_visual, 0, FALSE},
260 #else
261 {Ctrl_V, nv_error, 0, 0},
262 {'V', nv_error, 0, 0},
263 {'v', nv_error, 0, 0},
264 #endif
265 {Ctrl_W, nv_window, 0, 0},
266 {Ctrl_X, nv_addsub, 0, 0},
267 {Ctrl_Y, nv_scroll_line, 0, FALSE},
268 {Ctrl_Z, nv_suspend, 0, 0},
269 {ESC, nv_esc, 0, FALSE},
270 {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0},
271 {Ctrl_RSB, nv_ident, NV_NCW, 0},
272 {Ctrl_HAT, nv_hat, NV_NCW, 0},
273 {Ctrl__, nv_error, 0, 0},
274 {' ', nv_right, 0, 0},
275 {'!', nv_operator, 0, 0},
276 {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0},
277 {'#', nv_ident, 0, 0},
278 {'$', nv_dollar, 0, 0},
279 {'%', nv_percent, 0, 0},
280 {'&', nv_optrans, 0, 0},
281 {'\'', nv_gomark, NV_NCH_ALW, TRUE},
282 {'(', nv_brace, 0, BACKWARD},
283 {')', nv_brace, 0, FORWARD},
284 {'*', nv_ident, 0, 0},
285 {'+', nv_down, 0, TRUE},
286 {',', nv_csearch, 0, TRUE},
287 {'-', nv_up, 0, TRUE},
288 {'.', nv_dot, NV_KEEPREG, 0},
289 {'/', nv_search, 0, FALSE},
290 {'0', nv_beginline, 0, 0},
291 {'1', nv_ignore, 0, 0},
292 {'2', nv_ignore, 0, 0},
293 {'3', nv_ignore, 0, 0},
294 {'4', nv_ignore, 0, 0},
295 {'5', nv_ignore, 0, 0},
296 {'6', nv_ignore, 0, 0},
297 {'7', nv_ignore, 0, 0},
298 {'8', nv_ignore, 0, 0},
299 {'9', nv_ignore, 0, 0},
300 {':', nv_colon, 0, 0},
301 {';', nv_csearch, 0, FALSE},
302 {'<', nv_operator, NV_RL, 0},
303 {'=', nv_operator, 0, 0},
304 {'>', nv_operator, NV_RL, 0},
305 {'?', nv_search, 0, FALSE},
306 {'@', nv_at, NV_NCH_NOP, FALSE},
307 {'A', nv_edit, 0, 0},
308 {'B', nv_bck_word, 0, 1},
309 {'C', nv_abbrev, NV_KEEPREG, 0},
310 {'D', nv_abbrev, NV_KEEPREG, 0},
311 {'E', nv_wordcmd, 0, TRUE},
312 {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
313 {'G', nv_goto, 0, TRUE},
314 {'H', nv_scroll, 0, 0},
315 {'I', nv_edit, 0, 0},
316 {'J', nv_join, 0, 0},
317 {'K', nv_ident, 0, 0},
318 {'L', nv_scroll, 0, 0},
319 {'M', nv_scroll, 0, 0},
320 {'N', nv_next, 0, SEARCH_REV},
321 {'O', nv_open, 0, 0},
322 {'P', nv_put, 0, 0},
323 {'Q', nv_exmode, NV_NCW, 0},
324 {'R', nv_Replace, 0, FALSE},
325 {'S', nv_subst, NV_KEEPREG, 0},
326 {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
327 {'U', nv_Undo, 0, 0},
328 {'W', nv_wordcmd, 0, TRUE},
329 {'X', nv_abbrev, NV_KEEPREG, 0},
330 {'Y', nv_abbrev, NV_KEEPREG, 0},
331 {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0},
332 {'[', nv_brackets, NV_NCH_ALW, BACKWARD},
333 {'\\', nv_error, 0, 0},
334 {']', nv_brackets, NV_NCH_ALW, FORWARD},
335 {'^', nv_beginline, 0, BL_WHITE | BL_FIX},
336 {'_', nv_lineop, 0, 0},
337 {'`', nv_gomark, NV_NCH_ALW, FALSE},
338 {'a', nv_edit, NV_NCH, 0},
339 {'b', nv_bck_word, 0, 0},
340 {'c', nv_operator, 0, 0},
341 {'d', nv_operator, 0, 0},
342 {'e', nv_wordcmd, 0, FALSE},
343 {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
344 {'g', nv_g_cmd, NV_NCH_ALW, FALSE},
345 {'h', nv_left, NV_RL, 0},
346 {'i', nv_edit, NV_NCH, 0},
347 {'j', nv_down, 0, FALSE},
348 {'k', nv_up, 0, FALSE},
349 {'l', nv_right, NV_RL, 0},
350 {'m', nv_mark, NV_NCH_NOP, 0},
351 {'n', nv_next, 0, 0},
352 {'o', nv_open, 0, 0},
353 {'p', nv_put, 0, 0},
354 {'q', nv_record, NV_NCH, 0},
355 {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0},
356 {'s', nv_subst, NV_KEEPREG, 0},
357 {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
358 {'u', nv_undo, 0, 0},
359 {'w', nv_wordcmd, 0, FALSE},
360 {'x', nv_abbrev, NV_KEEPREG, 0},
361 {'y', nv_operator, 0, 0},
362 {'z', nv_zet, NV_NCH_ALW, 0},
363 {'{', nv_findpar, 0, BACKWARD},
364 {'|', nv_pipe, 0, 0},
365 {'}', nv_findpar, 0, FORWARD},
366 {'~', nv_tilde, 0, 0},
367
368 /* pound sign */
369 {POUND, nv_ident, 0, 0},
370 #ifdef FEAT_MOUSE
371 {K_MOUSEUP, nv_mousescroll, 0, TRUE},
372 {K_MOUSEDOWN, nv_mousescroll, 0, FALSE},
373 {K_LEFTMOUSE, nv_mouse, 0, 0},
374 {K_LEFTMOUSE_NM, nv_mouse, 0, 0},
375 {K_LEFTDRAG, nv_mouse, 0, 0},
376 {K_LEFTRELEASE, nv_mouse, 0, 0},
377 {K_LEFTRELEASE_NM, nv_mouse, 0, 0},
378 {K_MIDDLEMOUSE, nv_mouse, 0, 0},
379 {K_MIDDLEDRAG, nv_mouse, 0, 0},
380 {K_MIDDLERELEASE, nv_mouse, 0, 0},
381 {K_RIGHTMOUSE, nv_mouse, 0, 0},
382 {K_RIGHTDRAG, nv_mouse, 0, 0},
383 {K_RIGHTRELEASE, nv_mouse, 0, 0},
384 {K_X1MOUSE, nv_mouse, 0, 0},
385 {K_X1DRAG, nv_mouse, 0, 0},
386 {K_X1RELEASE, nv_mouse, 0, 0},
387 {K_X2MOUSE, nv_mouse, 0, 0},
388 {K_X2DRAG, nv_mouse, 0, 0},
389 {K_X2RELEASE, nv_mouse, 0, 0},
390 #endif
391 {K_IGNORE, nv_ignore, NV_KEEPREG, 0},
392 {K_NOP, nv_nop, 0, 0},
393 {K_INS, nv_edit, 0, 0},
394 {K_KINS, nv_edit, 0, 0},
395 {K_BS, nv_ctrlh, 0, 0},
396 {K_UP, nv_up, NV_SSS|NV_STS, FALSE},
397 {K_S_UP, nv_page, NV_SS, BACKWARD},
398 {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE},
399 {K_S_DOWN, nv_page, NV_SS, FORWARD},
400 {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0},
401 {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0},
402 {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1},
403 {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0},
404 {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE},
405 {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE},
406 {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
407 {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
408 {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
409 {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
410 {K_END, nv_end, NV_SSS|NV_STS, FALSE},
411 {K_KEND, nv_end, NV_SSS|NV_STS, FALSE},
412 {K_S_END, nv_end, NV_SS, FALSE},
413 {K_C_END, nv_end, NV_SSS|NV_STS, TRUE},
414 {K_HOME, nv_home, NV_SSS|NV_STS, 0},
415 {K_KHOME, nv_home, NV_SSS|NV_STS, 0},
416 {K_S_HOME, nv_home, NV_SS, 0},
417 {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE},
418 {K_DEL, nv_abbrev, 0, 0},
419 {K_KDEL, nv_abbrev, 0, 0},
420 {K_UNDO, nv_kundo, 0, 0},
421 {K_HELP, nv_help, NV_NCW, 0},
422 {K_F1, nv_help, NV_NCW, 0},
423 {K_XF1, nv_help, NV_NCW, 0},
424 #ifdef FEAT_VISUAL
425 {K_SELECT, nv_select, 0, 0},
426 #endif
427 #ifdef FEAT_GUI
428 {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0},
429 {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0},
430 #endif
431 #ifdef FEAT_GUI_TABLINE
432 {K_TABLINE, nv_tabline, 0, 0},
433 {K_TABMENU, nv_tabmenu, 0, 0},
434 #endif
435 #ifdef FEAT_FKMAP
436 {K_F8, farsi_fkey, 0, 0},
437 {K_F9, farsi_fkey, 0, 0},
438 #endif
439 #ifdef FEAT_SNIFF
440 {K_SNIFF, nv_sniff, 0, 0},
441 #endif
442 #ifdef FEAT_NETBEANS_INTG
443 {K_F21, nv_nbcmd, NV_NCH_ALW, 0},
444 #endif
445 #ifdef FEAT_DND
446 {K_DROP, nv_drop, NV_STS, 0},
447 #endif
448 #ifdef FEAT_AUTOCMD
449 {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0},
450 #endif
451 };
452
453 /* Number of commands in nv_cmds[]. */
454 #define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
455
456 /* Sorted index of commands in nv_cmds[]. */
457 static short nv_cmd_idx[NV_CMDS_SIZE];
458
459 /* The highest index for which
460 * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
461 static int nv_max_linear;
462
463 /*
464 * Compare functions for qsort() below, that checks the command character
465 * through the index in nv_cmd_idx[].
466 */
467 static int
468 #ifdef __BORLANDC__
469 _RTLENTRYF
470 #endif
471 nv_compare(s1, s2)
472 const void *s1;
473 const void *s2;
474 {
475 int c1, c2;
476
477 /* The commands are sorted on absolute value. */
478 c1 = nv_cmds[*(const short *)s1].cmd_char;
479 c2 = nv_cmds[*(const short *)s2].cmd_char;
480 if (c1 < 0)
481 c1 = -c1;
482 if (c2 < 0)
483 c2 = -c2;
484 return c1 - c2;
485 }
486
487 /*
488 * Initialize the nv_cmd_idx[] table.
489 */
490 void
491 init_normal_cmds()
492 {
493 int i;
494
495 /* Fill the index table with a one to one relation. */
496 for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
497 nv_cmd_idx[i] = i;
498
499 /* Sort the commands by the command character. */
500 qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
501
502 /* Find the first entry that can't be indexed by the command character. */
503 for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
504 if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
505 break;
506 nv_max_linear = i - 1;
507 }
508
509 /*
510 * Search for a command in the commands table.
511 * Returns -1 for invalid command.
512 */
513 static int
514 find_command(cmdchar)
515 int cmdchar;
516 {
517 int i;
518 int idx;
519 int top, bot;
520 int c;
521
522 #ifdef FEAT_MBYTE
523 /* A multi-byte character is never a command. */
524 if (cmdchar >= 0x100)
525 return -1;
526 #endif
527
528 /* We use the absolute value of the character. Special keys have a
529 * negative value, but are sorted on their absolute value. */
530 if (cmdchar < 0)
531 cmdchar = -cmdchar;
532
533 /* If the character is in the first part: The character is the index into
534 * nv_cmd_idx[]. */
535 if (cmdchar <= nv_max_linear)
536 return nv_cmd_idx[cmdchar];
537
538 /* Perform a binary search. */
539 bot = nv_max_linear + 1;
540 top = NV_CMDS_SIZE - 1;
541 idx = -1;
542 while (bot <= top)
543 {
544 i = (top + bot) / 2;
545 c = nv_cmds[nv_cmd_idx[i]].cmd_char;
546 if (c < 0)
547 c = -c;
548 if (cmdchar == c)
549 {
550 idx = nv_cmd_idx[i];
551 break;
552 }
553 if (cmdchar > c)
554 bot = i + 1;
555 else
556 top = i - 1;
557 }
558 return idx;
559 }
560
561 /*
562 * Execute a command in Normal mode.
563 */
564 void
565 normal_cmd(oap, toplevel)
566 oparg_T *oap;
567 int toplevel UNUSED; /* TRUE when called from main() */
568 {
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 #ifdef FEAT_EVAL
583 int set_prevcount = FALSE;
584 #endif
585
586 vim_memset(&ca, 0, sizeof(ca)); /* also resets ca.retval */
587 ca.oap = oap;
588
589 /* Use a count remembered from before entering an operator. After typing
590 * "3d" we return from normal_cmd() and come back here, the "3" is
591 * remembered in "opcount". */
592 ca.opcount = opcount;
593
594 #ifdef FEAT_SNIFF
595 want_sniff_request = sniff_connected;
596 #endif
597
598 /*
599 * If there is an operator pending, then the command we take this time
600 * will terminate it. Finish_op tells us to finish the operation before
601 * returning this time (unless the operation was cancelled).
602 */
603 #ifdef CURSOR_SHAPE
604 c = finish_op;
605 #endif
606 finish_op = (oap->op_type != OP_NOP);
607 #ifdef CURSOR_SHAPE
608 if (finish_op != c)
609 {
610 ui_cursor_shape(); /* may show different cursor shape */
611 # ifdef FEAT_MOUSESHAPE
612 update_mouseshape(-1);
613 # endif
614 }
615 #endif
616
617 /* When not finishing an operator and no register name typed, reset the
618 * count. */
619 if (!finish_op && !oap->regname)
620 {
621 ca.opcount = 0;
622 #ifdef FEAT_EVAL
623 set_prevcount = TRUE;
624 #endif
625 }
626
627 #ifdef FEAT_AUTOCMD
628 /* Restore counts from before receiving K_CURSORHOLD. This means after
629 * typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not
630 * "3 * 2". */
631 if (oap->prev_opcount > 0 || oap->prev_count0 > 0)
632 {
633 ca.opcount = oap->prev_opcount;
634 ca.count0 = oap->prev_count0;
635 oap->prev_opcount = 0;
636 oap->prev_count0 = 0;
637 }
638 #endif
639
640 #ifdef FEAT_VISUAL
641 mapped_len = typebuf_maplen();
642 #endif
643
644 State = NORMAL_BUSY;
645 #ifdef USE_ON_FLY_SCROLL
646 dont_scroll = FALSE; /* allow scrolling here */
647 #endif
648
649 /*
650 * Get the command character from the user.
651 */
652 c = safe_vgetc();
653 LANGMAP_ADJUST(c, TRUE);
654
655 #ifdef FEAT_VISUAL
656 /*
657 * If a mapping was started in Visual or Select mode, remember the length
658 * of the mapping. This is used below to not return to Insert mode for as
659 * long as the mapping is being executed.
660 */
661 if (restart_edit == 0)
662 old_mapped_len = 0;
663 else if (old_mapped_len
664 || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
665 old_mapped_len = typebuf_maplen();
666 #endif
667
668 if (c == NUL)
669 c = K_ZERO;
670
671 #ifdef FEAT_VISUAL
672 /*
673 * In Select mode, typed text replaces the selection.
674 */
675 if (VIsual_active
676 && VIsual_select
677 && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
678 {
679 /* Fake a "c"hange command. When "restart_edit" is set (e.g., because
680 * 'insertmode' is set) fake a "d"elete command, Insert mode will
681 * restart automatically.
682 * Insert the typed character in the typeahead buffer, so that it can
683 * be mapped in Insert mode. Required for ":lmap" to work. */
684 ins_char_typebuf(c);
685 if (restart_edit != 0)
686 c = 'd';
687 else
688 c = 'c';
689 msg_nowait = TRUE; /* don't delay going to insert mode */
690 }
691 #endif
692
693 #ifdef FEAT_CMDL_INFO
694 need_flushbuf = add_to_showcmd(c);
695 #endif
696
697 getcount:
698 #ifdef FEAT_VISUAL
699 if (!(VIsual_active && VIsual_select))
700 #endif
701 {
702 /*
703 * Handle a count before a command and compute ca.count0.
704 * Note that '0' is a command and not the start of a count, but it's
705 * part of a count after other digits.
706 */
707 while ( (c >= '1' && c <= '9')
708 || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
709 {
710 if (c == K_DEL || c == K_KDEL)
711 {
712 ca.count0 /= 10;
713 #ifdef FEAT_CMDL_INFO
714 del_from_showcmd(4); /* delete the digit and ~@% */
715 #endif
716 }
717 else
718 ca.count0 = ca.count0 * 10 + (c - '0');
719 if (ca.count0 < 0) /* got too large! */
720 ca.count0 = 999999999L;
721 #ifdef FEAT_EVAL
722 /* Set v:count here, when called from main() and not a stuffed
723 * command, so that v:count can be used in an expression mapping
724 * right after the count. */
725 if (toplevel && stuff_empty())
726 {
727 long count = ca.count0;
728
729 /* multiply with ca.opcount the same way as below */
730 if (ca.opcount != 0)
731 count = ca.opcount * (count == 0 ? 1 : count);
732 set_vcount(count, count == 0 ? 1 : count, set_prevcount);
733 set_prevcount = FALSE; /* only set v:prevcount once */
734 }
735 #endif
736 if (ctrl_w)
737 {
738 ++no_mapping;
739 ++allow_keys; /* no mapping for nchar, but keys */
740 }
741 ++no_zero_mapping; /* don't map zero here */
742 c = plain_vgetc();
743 LANGMAP_ADJUST(c, TRUE);
744 --no_zero_mapping;
745 if (ctrl_w)
746 {
747 --no_mapping;
748 --allow_keys;
749 }
750 #ifdef FEAT_CMDL_INFO
751 need_flushbuf |= add_to_showcmd(c);
752 #endif
753 }
754
755 /*
756 * If we got CTRL-W there may be a/another count
757 */
758 if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
759 {
760 ctrl_w = TRUE;
761 ca.opcount = ca.count0; /* remember first count */
762 ca.count0 = 0;
763 ++no_mapping;
764 ++allow_keys; /* no mapping for nchar, but keys */
765 c = plain_vgetc(); /* get next character */
766 LANGMAP_ADJUST(c, TRUE);
767 --no_mapping;
768 --allow_keys;
769 #ifdef FEAT_CMDL_INFO
770 need_flushbuf |= add_to_showcmd(c);
771 #endif
772 goto getcount; /* jump back */
773 }
774 }
775
776 #ifdef FEAT_AUTOCMD
777 if (c == K_CURSORHOLD)
778 {
779 /* Save the count values so that ca.opcount and ca.count0 are exactly
780 * the same when coming back here after handling K_CURSORHOLD. */
781 oap->prev_opcount = ca.opcount;
782 oap->prev_count0 = ca.count0;
783 }
784 else
785 #endif
786 if (ca.opcount != 0)
787 {
788 /*
789 * If we're in the middle of an operator (including after entering a
790 * yank buffer with '"') AND we had a count before the operator, then
791 * that count overrides the current value of ca.count0.
792 * What this means effectively, is that commands like "3dw" get turned
793 * into "d3w" which makes things fall into place pretty neatly.
794 * If you give a count before AND after the operator, they are
795 * multiplied.
796 */
797 if (ca.count0)
798 ca.count0 *= ca.opcount;
799 else
800 ca.count0 = ca.opcount;
801 }
802
803 /*
804 * Always remember the count. It will be set to zero (on the next call,
805 * above) when there is no pending operator.
806 * When called from main(), save the count for use by the "count" built-in
807 * variable.
808 */
809 ca.opcount = ca.count0;
810 ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
811
812 #ifdef FEAT_EVAL
813 /*
814 * Only set v:count when called from main() and not a stuffed command.
815 */
816 if (toplevel && stuff_empty())
817 set_vcount(ca.count0, ca.count1, set_prevcount);
818 #endif
819
820 /*
821 * Find the command character in the table of commands.
822 * For CTRL-W we already got nchar when looking for a count.
823 */
824 if (ctrl_w)
825 {
826 ca.nchar = c;
827 ca.cmdchar = Ctrl_W;
828 }
829 else
830 ca.cmdchar = c;
831 idx = find_command(ca.cmdchar);
832 if (idx < 0)
833 {
834 /* Not a known command: beep. */
835 clearopbeep(oap);
836 goto normal_end;
837 }
838
839 if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW))
840 {
841 /* This command is not allowed while editing a ccmdline: beep. */
842 clearopbeep(oap);
843 text_locked_msg();
844 goto normal_end;
845 }
846 #ifdef FEAT_AUTOCMD
847 if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
848 goto normal_end;
849 #endif
850
851 #ifdef FEAT_VISUAL
852 /*
853 * In Visual/Select mode, a few keys are handled in a special way.
854 */
855 if (VIsual_active)
856 {
857 /* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
858 if (km_stopsel
859 && (nv_cmds[idx].cmd_flags & NV_STS)
860 && !(mod_mask & MOD_MASK_SHIFT))
861 {
862 end_visual_mode();
863 redraw_curbuf_later(INVERTED);
864 }
865
866 /* Keys that work different when 'keymodel' contains "startsel" */
867 if (km_startsel)
868 {
869 if (nv_cmds[idx].cmd_flags & NV_SS)
870 {
871 unshift_special(&ca);
872 idx = find_command(ca.cmdchar);
873 if (idx < 0)
874 {
875 /* Just in case */
876 clearopbeep(oap);
877 goto normal_end;
878 }
879 }
880 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
881 && (mod_mask & MOD_MASK_SHIFT))
882 {
883 mod_mask &= ~MOD_MASK_SHIFT;
884 }
885 }
886 }
887 #endif
888
889 #ifdef FEAT_RIGHTLEFT
890 if (curwin->w_p_rl && KeyTyped && !KeyStuffed
891 && (nv_cmds[idx].cmd_flags & NV_RL))
892 {
893 /* Invert horizontal movements and operations. Only when typed by the
894 * user directly, not when the result of a mapping or "x" translated
895 * to "dl". */
896 switch (ca.cmdchar)
897 {
898 case 'l': ca.cmdchar = 'h'; break;
899 case K_RIGHT: ca.cmdchar = K_LEFT; break;
900 case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
901 case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
902 case 'h': ca.cmdchar = 'l'; break;
903 case K_LEFT: ca.cmdchar = K_RIGHT; break;
904 case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break;
905 case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break;
906 case '>': ca.cmdchar = '<'; break;
907 case '<': ca.cmdchar = '>'; break;
908 }
909 idx = find_command(ca.cmdchar);
910 }
911 #endif
912
913 /*
914 * Get an additional character if we need one.
915 */
916 if ((nv_cmds[idx].cmd_flags & NV_NCH)
917 && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
918 && oap->op_type == OP_NOP)
919 || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
920 || (ca.cmdchar == 'q'
921 && oap->op_type == OP_NOP
922 && !Recording
923 && !Exec_reg)
924 || ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
925 && (oap->op_type != OP_NOP
926 #ifdef FEAT_VISUAL
927 || VIsual_active
928 #endif
929 ))))
930 {
931 int *cp;
932 int repl = FALSE; /* get character for replace mode */
933 int lit = FALSE; /* get extra character literally */
934 int langmap_active = FALSE; /* using :lmap mappings */
935 int lang; /* getting a text character */
936 #ifdef USE_IM_CONTROL
937 int save_smd; /* saved value of p_smd */
938 #endif
939
940 ++no_mapping;
941 ++allow_keys; /* no mapping for nchar, but allow key codes */
942 #ifdef FEAT_AUTOCMD
943 /* Don't generate a CursorHold event here, most commands can't handle
944 * it, e.g., nv_replace(), nv_csearch(). */
945 did_cursorhold = TRUE;
946 #endif
947 if (ca.cmdchar == 'g')
948 {
949 /*
950 * For 'g' get the next character now, so that we can check for
951 * "gr", "g'" and "g`".
952 */
953 ca.nchar = plain_vgetc();
954 LANGMAP_ADJUST(ca.nchar, TRUE);
955 #ifdef FEAT_CMDL_INFO
956 need_flushbuf |= add_to_showcmd(ca.nchar);
957 #endif
958 if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
959 || ca.nchar == Ctrl_BSL)
960 {
961 cp = &ca.extra_char; /* need to get a third character */
962 if (ca.nchar != 'r')
963 lit = TRUE; /* get it literally */
964 else
965 repl = TRUE; /* get it in replace mode */
966 }
967 else
968 cp = NULL; /* no third character needed */
969 }
970 else
971 {
972 if (ca.cmdchar == 'r') /* get it in replace mode */
973 repl = TRUE;
974 cp = &ca.nchar;
975 }
976 lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
977
978 /*
979 * Get a second or third character.
980 */
981 if (cp != NULL)
982 {
983 #ifdef CURSOR_SHAPE
984 if (repl)
985 {
986 State = REPLACE; /* pretend Replace mode */
987 ui_cursor_shape(); /* show different cursor shape */
988 }
989 #endif
990 if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
991 {
992 /* Allow mappings defined with ":lmap". */
993 --no_mapping;
994 --allow_keys;
995 if (repl)
996 State = LREPLACE;
997 else
998 State = LANGMAP;
999 langmap_active = TRUE;
1000 }
1001 #ifdef USE_IM_CONTROL
1002 save_smd = p_smd;
1003 p_smd = FALSE; /* Don't let the IM code show the mode here */
1004 if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
1005 im_set_active(TRUE);
1006 #endif
1007
1008 *cp = plain_vgetc();
1009
1010 if (langmap_active)
1011 {
1012 /* Undo the decrement done above */
1013 ++no_mapping;
1014 ++allow_keys;
1015 State = NORMAL_BUSY;
1016 }
1017 #ifdef USE_IM_CONTROL
1018 if (lang)
1019 {
1020 if (curbuf->b_p_iminsert != B_IMODE_LMAP)
1021 im_save_status(&curbuf->b_p_iminsert);
1022 im_set_active(FALSE);
1023 }
1024 p_smd = save_smd;
1025 #endif
1026 #ifdef CURSOR_SHAPE
1027 State = NORMAL_BUSY;
1028 #endif
1029 #ifdef FEAT_CMDL_INFO
1030 need_flushbuf |= add_to_showcmd(*cp);
1031 #endif
1032
1033 if (!lit)
1034 {
1035 #ifdef FEAT_DIGRAPHS
1036 /* Typing CTRL-K gets a digraph. */
1037 if (*cp == Ctrl_K
1038 && ((nv_cmds[idx].cmd_flags & NV_LANG)
1039 || cp == &ca.extra_char)
1040 && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
1041 {
1042 c = get_digraph(FALSE);
1043 if (c > 0)
1044 {
1045 *cp = c;
1046 # ifdef FEAT_CMDL_INFO
1047 /* Guessing how to update showcmd here... */
1048 del_from_showcmd(3);
1049 need_flushbuf |= add_to_showcmd(*cp);
1050 # endif
1051 }
1052 }
1053 #endif
1054
1055 /* adjust chars > 127, except after "tTfFr" commands */
1056 LANGMAP_ADJUST(*cp, !lang);
1057 #ifdef FEAT_RIGHTLEFT
1058 /* adjust Hebrew mapped char */
1059 if (p_hkmap && lang && KeyTyped)
1060 *cp = hkmap(*cp);
1061 # ifdef FEAT_FKMAP
1062 /* adjust Farsi mapped char */
1063 if (p_fkmap && lang && KeyTyped)
1064 *cp = fkmap(*cp);
1065 # endif
1066 #endif
1067 }
1068
1069 /*
1070 * When the next character is CTRL-\ a following CTRL-N means the
1071 * command is aborted and we go to Normal mode.
1072 */
1073 if (cp == &ca.extra_char
1074 && ca.nchar == Ctrl_BSL
1075 && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1076 {
1077 ca.cmdchar = Ctrl_BSL;
1078 ca.nchar = ca.extra_char;
1079 idx = find_command(ca.cmdchar);
1080 }
1081 else if (*cp == Ctrl_BSL)
1082 {
1083 long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1084
1085 /* There is a busy wait here when typing "f<C-\>" and then
1086 * something different from CTRL-N. Can't be avoided. */
1087 while ((c = vpeekc()) <= 0 && towait > 0L)
1088 {
1089 do_sleep(towait > 50L ? 50L : towait);
1090 towait -= 50L;
1091 }
1092 if (c > 0)
1093 {
1094 c = plain_vgetc();
1095 if (c != Ctrl_N && c != Ctrl_G)
1096 vungetc(c);
1097 else
1098 {
1099 ca.cmdchar = Ctrl_BSL;
1100 ca.nchar = c;
1101 idx = find_command(ca.cmdchar);
1102 }
1103 }
1104 }
1105
1106 #ifdef FEAT_MBYTE
1107 /* When getting a text character and the next character is a
1108 * multi-byte character, it could be a composing character.
1109 * However, don't wait for it to arrive. */
1110 while (enc_utf8 && lang && (c = vpeekc()) > 0
1111 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1112 {
1113 c = plain_vgetc();
1114 if (!utf_iscomposing(c))
1115 {
1116 vungetc(c); /* it wasn't, put it back */
1117 break;
1118 }
1119 else if (ca.ncharC1 == 0)
1120 ca.ncharC1 = c;
1121 else
1122 ca.ncharC2 = c;
1123 }
1124 #endif
1125 }
1126 --no_mapping;
1127 --allow_keys;
1128 }
1129
1130 #ifdef FEAT_CMDL_INFO
1131 /*
1132 * Flush the showcmd characters onto the screen so we can see them while
1133 * the command is being executed. Only do this when the shown command was
1134 * actually displayed, otherwise this will slow down a lot when executing
1135 * mappings.
1136 */
1137 if (need_flushbuf)
1138 out_flush();
1139 #endif
1140 #ifdef FEAT_AUTOCMD
1141 if (ca.cmdchar != K_IGNORE)
1142 did_cursorhold = FALSE;
1143 #endif
1144
1145 State = NORMAL;
1146
1147 if (ca.nchar == ESC)
1148 {
1149 clearop(oap);
1150 if (restart_edit == 0 && goto_im())
1151 restart_edit = 'a';
1152 goto normal_end;
1153 }
1154
1155 if (ca.cmdchar != K_IGNORE)
1156 {
1157 msg_didout = FALSE; /* don't scroll screen up for normal command */
1158 msg_col = 0;
1159 }
1160
1161 #ifdef FEAT_VISUAL
1162 old_pos = curwin->w_cursor; /* remember where cursor was */
1163
1164 /* When 'keymodel' contains "startsel" some keys start Select/Visual
1165 * mode. */
1166 if (!VIsual_active && km_startsel)
1167 {
1168 if (nv_cmds[idx].cmd_flags & NV_SS)
1169 {
1170 start_selection();
1171 unshift_special(&ca);
1172 idx = find_command(ca.cmdchar);
1173 }
1174 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1175 && (mod_mask & MOD_MASK_SHIFT))
1176 {
1177 start_selection();
1178 mod_mask &= ~MOD_MASK_SHIFT;
1179 }
1180 }
1181 #endif
1182
1183 /*
1184 * Execute the command!
1185 * Call the command function found in the commands table.
1186 */
1187 ca.arg = nv_cmds[idx].cmd_arg;
1188 (nv_cmds[idx].cmd_func)(&ca);
1189
1190 /*
1191 * If we didn't start or finish an operator, reset oap->regname, unless we
1192 * need it later.
1193 */
1194 if (!finish_op
1195 && !oap->op_type
1196 && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1197 {
1198 clearop(oap);
1199 #ifdef FEAT_EVAL
1200 set_reg_var('"');
1201 #endif
1202 }
1203
1204 #ifdef FEAT_VISUAL
1205 /* Get the length of mapped chars again after typing a count, second
1206 * character or "z333<cr>". */
1207 if (old_mapped_len > 0)
1208 old_mapped_len = typebuf_maplen();
1209 #endif
1210
1211 /*
1212 * If an operation is pending, handle it...
1213 */
1214 do_pending_operator(&ca, old_col, FALSE);
1215
1216 /*
1217 * Wait for a moment when a message is displayed that will be overwritten
1218 * by the mode message.
1219 * In Visual mode and with "^O" in Insert mode, a short message will be
1220 * overwritten by the mode message. Wait a bit, until a key is hit.
1221 * In Visual mode, it's more important to keep the Visual area updated
1222 * than keeping a message (e.g. from a /pat search).
1223 * Only do this if the command was typed, not from a mapping.
1224 * Don't wait when emsg_silent is non-zero.
1225 * Also wait a bit after an error message, e.g. for "^O:".
1226 * Don't redraw the screen, it would remove the message.
1227 */
1228 if ( ((p_smd
1229 && msg_silent == 0
1230 && (restart_edit != 0
1231 #ifdef FEAT_VISUAL
1232 || (VIsual_active
1233 && old_pos.lnum == curwin->w_cursor.lnum
1234 && old_pos.col == curwin->w_cursor.col)
1235 #endif
1236 )
1237 && (clear_cmdline
1238 || redraw_cmdline)
1239 && (msg_didout || (msg_didany && msg_scroll))
1240 && !msg_nowait
1241 && KeyTyped)
1242 || (restart_edit != 0
1243 #ifdef FEAT_VISUAL
1244 && !VIsual_active
1245 #endif
1246 && (msg_scroll
1247 || emsg_on_display)))
1248 && oap->regname == 0
1249 && !(ca.retval & CA_COMMAND_BUSY)
1250 && stuff_empty()
1251 && typebuf_typed()
1252 && emsg_silent == 0
1253 && !did_wait_return
1254 && oap->op_type == OP_NOP)
1255 {
1256 int save_State = State;
1257
1258 /* Draw the cursor with the right shape here */
1259 if (restart_edit != 0)
1260 State = INSERT;
1261
1262 /* If need to redraw, and there is a "keep_msg", redraw before the
1263 * delay */
1264 if (must_redraw && keep_msg != NULL && !emsg_on_display)
1265 {
1266 char_u *kmsg;
1267
1268 kmsg = keep_msg;
1269 keep_msg = NULL;
1270 /* showmode() will clear keep_msg, but we want to use it anyway */
1271 update_screen(0);
1272 /* now reset it, otherwise it's put in the history again */
1273 keep_msg = kmsg;
1274 msg_attr(kmsg, keep_msg_attr);
1275 vim_free(kmsg);
1276 }
1277 setcursor();
1278 cursor_on();
1279 out_flush();
1280 if (msg_scroll || emsg_on_display)
1281 ui_delay(1000L, TRUE); /* wait at least one second */
1282 ui_delay(3000L, FALSE); /* wait up to three seconds */
1283 State = save_State;
1284
1285 msg_scroll = FALSE;
1286 emsg_on_display = FALSE;
1287 }
1288
1289 /*
1290 * Finish up after executing a Normal mode command.
1291 */
1292 normal_end:
1293
1294 msg_nowait = FALSE;
1295
1296 /* Reset finish_op, in case it was set */
1297 #ifdef CURSOR_SHAPE
1298 c = finish_op;
1299 #endif
1300 finish_op = FALSE;
1301 #ifdef CURSOR_SHAPE
1302 /* Redraw the cursor with another shape, if we were in Operator-pending
1303 * mode or did a replace command. */
1304 if (c || ca.cmdchar == 'r')
1305 {
1306 ui_cursor_shape(); /* may show different cursor shape */
1307 # ifdef FEAT_MOUSESHAPE
1308 update_mouseshape(-1);
1309 # endif
1310 }
1311 #endif
1312
1313 #ifdef FEAT_CMDL_INFO
1314 if (oap->op_type == OP_NOP && oap->regname == 0
1315 # ifdef FEAT_AUTOCMD
1316 && ca.cmdchar != K_CURSORHOLD
1317 # endif
1318 )
1319 clear_showcmd();
1320 #endif
1321
1322 checkpcmark(); /* check if we moved since setting pcmark */
1323 vim_free(ca.searchbuf);
1324
1325 #ifdef FEAT_MBYTE
1326 if (has_mbyte)
1327 mb_adjust_cursor();
1328 #endif
1329
1330 #ifdef FEAT_SCROLLBIND
1331 if (curwin->w_p_scb && toplevel)
1332 {
1333 validate_cursor(); /* may need to update w_leftcol */
1334 do_check_scrollbind(TRUE);
1335 }
1336 #endif
1337
1338 /*
1339 * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1340 * if still inside a mapping that started in Visual mode).
1341 * May switch from Visual to Select mode after CTRL-O command.
1342 */
1343 if ( oap->op_type == OP_NOP
1344 #ifdef FEAT_VISUAL
1345 && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1346 || restart_VIsual_select == 1)
1347 #else
1348 && restart_edit != 0
1349 #endif
1350 && !(ca.retval & CA_COMMAND_BUSY)
1351 && stuff_empty()
1352 && oap->regname == 0)
1353 {
1354 #ifdef FEAT_VISUAL
1355 if (restart_VIsual_select == 1)
1356 {
1357 VIsual_select = TRUE;
1358 showmode();
1359 restart_VIsual_select = 0;
1360 }
1361 #endif
1362 if (restart_edit != 0
1363 #ifdef FEAT_VISUAL
1364 && !VIsual_active && old_mapped_len == 0
1365 #endif
1366 )
1367 (void)edit(restart_edit, FALSE, 1L);
1368 }
1369
1370 #ifdef FEAT_VISUAL
1371 if (restart_VIsual_select == 2)
1372 restart_VIsual_select = 1;
1373 #endif
1374
1375 /* Save count before an operator for next time. */
1376 opcount = ca.opcount;
1377 }
1378
1379 /*
1380 * Handle an operator after visual mode or when the movement is finished
1381 */
1382 void
1383 do_pending_operator(cap, old_col, gui_yank)
1384 cmdarg_T *cap;
1385 int old_col;
1386 int gui_yank;
1387 {
1388 oparg_T *oap = cap->oap;
1389 pos_T old_cursor;
1390 int empty_region_error;
1391 int restart_edit_save;
1392
1393 #ifdef FEAT_VISUAL
1394 /* The visual area is remembered for redo */
1395 static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1396 static linenr_T redo_VIsual_line_count; /* number of lines */
1397 static colnr_T redo_VIsual_col; /* number of cols or end column */
1398 static long redo_VIsual_count; /* count for Visual operator */
1399 # ifdef FEAT_VIRTUALEDIT
1400 int include_line_break = FALSE;
1401 # endif
1402 #endif
1403
1404 #if defined(FEAT_CLIPBOARD)
1405 /*
1406 * Yank the visual area into the GUI selection register before we operate
1407 * on it and lose it forever.
1408 * Don't do it if a specific register was specified, so that ""x"*P works.
1409 * This could call do_pending_operator() recursively, but that's OK
1410 * because gui_yank will be TRUE for the nested call.
1411 */
1412 if (clip_star.available
1413 && oap->op_type != OP_NOP
1414 && !gui_yank
1415 # ifdef FEAT_VISUAL
1416 && VIsual_active
1417 && !redo_VIsual_busy
1418 # endif
1419 && oap->regname == 0)
1420 clip_auto_select();
1421 #endif
1422 old_cursor = curwin->w_cursor;
1423
1424 /*
1425 * If an operation is pending, handle it...
1426 */
1427 if ((finish_op
1428 #ifdef FEAT_VISUAL
1429 || VIsual_active
1430 #endif
1431 ) && oap->op_type != OP_NOP)
1432 {
1433 #ifdef FEAT_VISUAL
1434 oap->is_VIsual = VIsual_active;
1435 if (oap->motion_force == 'V')
1436 oap->motion_type = MLINE;
1437 else if (oap->motion_force == 'v')
1438 {
1439 /* If the motion was linewise, "inclusive" will not have been set.
1440 * Use "exclusive" to be consistent. Makes "dvj" work nice. */
1441 if (oap->motion_type == MLINE)
1442 oap->inclusive = FALSE;
1443 /* If the motion already was characterwise, toggle "inclusive" */
1444 else if (oap->motion_type == MCHAR)
1445 oap->inclusive = !oap->inclusive;
1446 oap->motion_type = MCHAR;
1447 }
1448 else if (oap->motion_force == Ctrl_V)
1449 {
1450 /* Change line- or characterwise motion into Visual block mode. */
1451 VIsual_active = TRUE;
1452 VIsual = oap->start;
1453 VIsual_mode = Ctrl_V;
1454 VIsual_select = FALSE;
1455 VIsual_reselect = FALSE;
1456 }
1457 #endif
1458
1459 /* only redo yank when 'y' flag is in 'cpoptions' */
1460 /* never redo "zf" (define fold) */
1461 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1462 #ifdef FEAT_VISUAL
1463 && (!VIsual_active || oap->motion_force)
1464 #endif
1465 && cap->cmdchar != 'D'
1466 #ifdef FEAT_FOLDING
1467 && oap->op_type != OP_FOLD
1468 && oap->op_type != OP_FOLDOPEN
1469 && oap->op_type != OP_FOLDOPENREC
1470 && oap->op_type != OP_FOLDCLOSE
1471 && oap->op_type != OP_FOLDCLOSEREC
1472 && oap->op_type != OP_FOLDDEL
1473 && oap->op_type != OP_FOLDDELREC
1474 #endif
1475 )
1476 {
1477 prep_redo(oap->regname, cap->count0,
1478 get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1479 oap->motion_force, cap->cmdchar, cap->nchar);
1480 if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1481 {
1482 /*
1483 * If 'cpoptions' does not contain 'r', insert the search
1484 * pattern to really repeat the same command.
1485 */
1486 if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1487 AppendToRedobuffLit(cap->searchbuf, -1);
1488 AppendToRedobuff(NL_STR);
1489 }
1490 else if (cap->cmdchar == ':')
1491 {
1492 /* do_cmdline() has stored the first typed line in
1493 * "repeat_cmdline". When several lines are typed repeating
1494 * won't be possible. */
1495 if (repeat_cmdline == NULL)
1496 ResetRedobuff();
1497 else
1498 {
1499 AppendToRedobuffLit(repeat_cmdline, -1);
1500 AppendToRedobuff(NL_STR);
1501 vim_free(repeat_cmdline);
1502 repeat_cmdline = NULL;
1503 }
1504 }
1505 }
1506
1507 #ifdef FEAT_VISUAL
1508 if (redo_VIsual_busy)
1509 {
1510 oap->start = curwin->w_cursor;
1511 curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1512 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1513 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1514 VIsual_mode = redo_VIsual_mode;
1515 if (VIsual_mode == 'v')
1516 {
1517 if (redo_VIsual_line_count <= 1)
1518 curwin->w_cursor.col += redo_VIsual_col - 1;
1519 else
1520 curwin->w_cursor.col = redo_VIsual_col;
1521 }
1522 if (redo_VIsual_col == MAXCOL)
1523 {
1524 curwin->w_curswant = MAXCOL;
1525 coladvance((colnr_T)MAXCOL);
1526 }
1527 cap->count0 = redo_VIsual_count;
1528 if (redo_VIsual_count != 0)
1529 cap->count1 = redo_VIsual_count;
1530 else
1531 cap->count1 = 1;
1532 }
1533 else if (VIsual_active)
1534 {
1535 if (!gui_yank)
1536 {
1537 /* Save the current VIsual area for '< and '> marks, and "gv" */
1538 curbuf->b_visual.vi_start = VIsual;
1539 curbuf->b_visual.vi_end = curwin->w_cursor;
1540 curbuf->b_visual.vi_mode = VIsual_mode;
1541 curbuf->b_visual.vi_curswant = curwin->w_curswant;
1542 # ifdef FEAT_EVAL
1543 curbuf->b_visual_mode_eval = VIsual_mode;
1544 # endif
1545 }
1546
1547 /* In Select mode, a linewise selection is operated upon like a
1548 * characterwise selection. */
1549 if (VIsual_select && VIsual_mode == 'V')
1550 {
1551 if (lt(VIsual, curwin->w_cursor))
1552 {
1553 VIsual.col = 0;
1554 curwin->w_cursor.col =
1555 (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1556 }
1557 else
1558 {
1559 curwin->w_cursor.col = 0;
1560 VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1561 }
1562 VIsual_mode = 'v';
1563 }
1564 /* If 'selection' is "exclusive", backup one character for
1565 * charwise selections. */
1566 else if (VIsual_mode == 'v')
1567 {
1568 # ifdef FEAT_VIRTUALEDIT
1569 include_line_break =
1570 # endif
1571 unadjust_for_sel();
1572 }
1573
1574 oap->start = VIsual;
1575 if (VIsual_mode == 'V')
1576 oap->start.col = 0;
1577 }
1578 #endif /* FEAT_VISUAL */
1579
1580 /*
1581 * Set oap->start to the first position of the operated text, oap->end
1582 * to the end of the operated text. w_cursor is equal to oap->start.
1583 */
1584 if (lt(oap->start, curwin->w_cursor))
1585 {
1586 #ifdef FEAT_FOLDING
1587 /* Include folded lines completely. */
1588 if (!VIsual_active)
1589 {
1590 if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1591 oap->start.col = 0;
1592 if (hasFolding(curwin->w_cursor.lnum, NULL,
1593 &curwin->w_cursor.lnum))
1594 curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1595 }
1596 #endif
1597 oap->end = curwin->w_cursor;
1598 curwin->w_cursor = oap->start;
1599
1600 /* w_virtcol may have been updated; if the cursor goes back to its
1601 * previous position w_virtcol becomes invalid and isn't updated
1602 * automatically. */
1603 curwin->w_valid &= ~VALID_VIRTCOL;
1604 }
1605 else
1606 {
1607 #ifdef FEAT_FOLDING
1608 /* Include folded lines completely. */
1609 if (!VIsual_active && oap->motion_type == MLINE)
1610 {
1611 if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1612 NULL))
1613 curwin->w_cursor.col = 0;
1614 if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1615 oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1616 }
1617 #endif
1618 oap->end = oap->start;
1619 oap->start = curwin->w_cursor;
1620 }
1621
1622 oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1623
1624 #ifdef FEAT_VIRTUALEDIT
1625 /* Set "virtual_op" before resetting VIsual_active. */
1626 virtual_op = virtual_active();
1627 #endif
1628
1629 #ifdef FEAT_VISUAL
1630 if (VIsual_active || redo_VIsual_busy)
1631 {
1632 if (VIsual_mode == Ctrl_V) /* block mode */
1633 {
1634 colnr_T start, end;
1635
1636 oap->block_mode = TRUE;
1637
1638 getvvcol(curwin, &(oap->start),
1639 &oap->start_vcol, NULL, &oap->end_vcol);
1640 if (!redo_VIsual_busy)
1641 {
1642 getvvcol(curwin, &(oap->end), &start, NULL, &end);
1643
1644 if (start < oap->start_vcol)
1645 oap->start_vcol = start;
1646 if (end > oap->end_vcol)
1647 {
1648 if (*p_sel == 'e' && start >= 1
1649 && start - 1 >= oap->end_vcol)
1650 oap->end_vcol = start - 1;
1651 else
1652 oap->end_vcol = end;
1653 }
1654 }
1655
1656 /* if '$' was used, get oap->end_vcol from longest line */
1657 if (curwin->w_curswant == MAXCOL)
1658 {
1659 curwin->w_cursor.col = MAXCOL;
1660 oap->end_vcol = 0;
1661 for (curwin->w_cursor.lnum = oap->start.lnum;
1662 curwin->w_cursor.lnum <= oap->end.lnum;
1663 ++curwin->w_cursor.lnum)
1664 {
1665 getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1666 if (end > oap->end_vcol)
1667 oap->end_vcol = end;
1668 }
1669 }
1670 else if (redo_VIsual_busy)
1671 oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1672 /*
1673 * Correct oap->end.col and oap->start.col to be the
1674 * upper-left and lower-right corner of the block area.
1675 *
1676 * (Actually, this does convert column positions into character
1677 * positions)
1678 */
1679 curwin->w_cursor.lnum = oap->end.lnum;
1680 coladvance(oap->end_vcol);
1681 oap->end = curwin->w_cursor;
1682
1683 curwin->w_cursor = oap->start;
1684 coladvance(oap->start_vcol);
1685 oap->start = curwin->w_cursor;
1686 }
1687
1688 if (!redo_VIsual_busy && !gui_yank)
1689 {
1690 /*
1691 * Prepare to reselect and redo Visual: this is based on the
1692 * size of the Visual text
1693 */
1694 resel_VIsual_mode = VIsual_mode;
1695 if (curwin->w_curswant == MAXCOL)
1696 resel_VIsual_col = MAXCOL;
1697 else if (VIsual_mode == Ctrl_V)
1698 resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1699 else if (oap->line_count > 1)
1700 resel_VIsual_col = oap->end.col;
1701 else
1702 resel_VIsual_col = oap->end.col - oap->start.col + 1;
1703 resel_VIsual_line_count = oap->line_count;
1704 }
1705
1706 /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1707 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1708 && oap->op_type != OP_COLON
1709 #ifdef FEAT_FOLDING
1710 && oap->op_type != OP_FOLD
1711 && oap->op_type != OP_FOLDOPEN
1712 && oap->op_type != OP_FOLDOPENREC
1713 && oap->op_type != OP_FOLDCLOSE
1714 && oap->op_type != OP_FOLDCLOSEREC
1715 && oap->op_type != OP_FOLDDEL
1716 && oap->op_type != OP_FOLDDELREC
1717 #endif
1718 && oap->motion_force == NUL
1719 )
1720 {
1721 /* Prepare for redoing. Only use the nchar field for "r",
1722 * otherwise it might be the second char of the operator. */
1723 prep_redo(oap->regname, 0L, NUL, 'v',
1724 get_op_char(oap->op_type),
1725 get_extra_op_char(oap->op_type),
1726 oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1727 if (!redo_VIsual_busy)
1728 {
1729 redo_VIsual_mode = resel_VIsual_mode;
1730 redo_VIsual_col = resel_VIsual_col;
1731 redo_VIsual_line_count = resel_VIsual_line_count;
1732 redo_VIsual_count = cap->count0;
1733 }
1734 }
1735
1736 /*
1737 * oap->inclusive defaults to TRUE.
1738 * If oap->end is on a NUL (empty line) oap->inclusive becomes
1739 * FALSE. This makes "d}P" and "v}dP" work the same.
1740 */
1741 if (oap->motion_force == NUL || oap->motion_type == MLINE)
1742 oap->inclusive = TRUE;
1743 if (VIsual_mode == 'V')
1744 oap->motion_type = MLINE;
1745 else
1746 {
1747 oap->motion_type = MCHAR;
1748 if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1749 # ifdef FEAT_VIRTUALEDIT
1750 && (include_line_break || !virtual_op)
1751 # endif
1752 )
1753 {
1754 oap->inclusive = FALSE;
1755 /* Try to include the newline, unless it's an operator
1756 * that works on lines only */
1757 if (*p_sel != 'o'
1758 && !op_on_lines(oap->op_type)
1759 && oap->end.lnum < curbuf->b_ml.ml_line_count)
1760 {
1761 ++oap->end.lnum;
1762 oap->end.col = 0;
1763 # ifdef FEAT_VIRTUALEDIT
1764 oap->end.coladd = 0;
1765 # endif
1766 ++oap->line_count;
1767 }
1768 }
1769 }
1770
1771 redo_VIsual_busy = FALSE;
1772
1773 /*
1774 * Switch Visual off now, so screen updating does
1775 * not show inverted text when the screen is redrawn.
1776 * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1777 * no screen redraw, so it is done here to remove the inverted
1778 * part.
1779 */
1780 if (!gui_yank)
1781 {
1782 VIsual_active = FALSE;
1783 # ifdef FEAT_MOUSE
1784 setmouse();
1785 mouse_dragging = 0;
1786 # endif
1787 if (mode_displayed)
1788 clear_cmdline = TRUE; /* unshow visual mode later */
1789 #ifdef FEAT_CMDL_INFO
1790 else
1791 clear_showcmd();
1792 #endif
1793 if ((oap->op_type == OP_YANK
1794 || oap->op_type == OP_COLON
1795 || oap->op_type == OP_FUNCTION
1796 || oap->op_type == OP_FILTER)
1797 && oap->motion_force == NUL)
1798 redraw_curbuf_later(INVERTED);
1799 }
1800 }
1801 #endif
1802
1803 #ifdef FEAT_MBYTE
1804 /* Include the trailing byte of a multi-byte char. */
1805 if (has_mbyte && oap->inclusive)
1806 {
1807 int l;
1808
1809 l = (*mb_ptr2len)(ml_get_pos(&oap->end));
1810 if (l > 1)
1811 oap->end.col += l - 1;
1812 }
1813 #endif
1814 curwin->w_set_curswant = TRUE;
1815
1816 /*
1817 * oap->empty is set when start and end are the same. The inclusive
1818 * flag affects this too, unless yanking and the end is on a NUL.
1819 */
1820 oap->empty = (oap->motion_type == MCHAR
1821 && (!oap->inclusive
1822 || (oap->op_type == OP_YANK
1823 && gchar_pos(&oap->end) == NUL))
1824 && equalpos(oap->start, oap->end)
1825 #ifdef FEAT_VIRTUALEDIT
1826 && !(virtual_op && oap->start.coladd != oap->end.coladd)
1827 #endif
1828 );
1829 /*
1830 * For delete, change and yank, it's an error to operate on an
1831 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1832 */
1833 empty_region_error = (oap->empty
1834 && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1835
1836 #ifdef FEAT_VISUAL
1837 /* Force a redraw when operating on an empty Visual region, when
1838 * 'modifiable is off or creating a fold. */
1839 if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1840 # ifdef FEAT_FOLDING
1841 || oap->op_type == OP_FOLD
1842 # endif
1843 ))
1844 redraw_curbuf_later(INVERTED);
1845 #endif
1846
1847 /*
1848 * If the end of an operator is in column one while oap->motion_type
1849 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1850 * character in the previous line. If op_start is on or before the
1851 * first non-blank in the line, the operator becomes linewise
1852 * (strange, but that's the way vi does it).
1853 */
1854 if ( oap->motion_type == MCHAR
1855 && oap->inclusive == FALSE
1856 && !(cap->retval & CA_NO_ADJ_OP_END)
1857 && oap->end.col == 0
1858 #ifdef FEAT_VISUAL
1859 && (!oap->is_VIsual || *p_sel == 'o')
1860 && !oap->block_mode
1861 #endif
1862 && oap->line_count > 1)
1863 {
1864 oap->end_adjusted = TRUE; /* remember that we did this */
1865 --oap->line_count;
1866 --oap->end.lnum;
1867 if (inindent(0))
1868 oap->motion_type = MLINE;
1869 else
1870 {
1871 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1872 if (oap->end.col)
1873 {
1874 --oap->end.col;
1875 oap->inclusive = TRUE;
1876 }
1877 }
1878 }
1879 else
1880 oap->end_adjusted = FALSE;
1881
1882 switch (oap->op_type)
1883 {
1884 case OP_LSHIFT:
1885 case OP_RSHIFT:
1886 op_shift(oap, TRUE,
1887 #ifdef FEAT_VISUAL
1888 oap->is_VIsual ? (int)cap->count1 :
1889 #endif
1890 1);
1891 auto_format(FALSE, TRUE);
1892 break;
1893
1894 case OP_JOIN_NS:
1895 case OP_JOIN:
1896 if (oap->line_count < 2)
1897 oap->line_count = 2;
1898 if (curwin->w_cursor.lnum + oap->line_count - 1 >
1899 curbuf->b_ml.ml_line_count)
1900 beep_flush();
1901 else
1902 {
1903 do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1904 auto_format(FALSE, TRUE);
1905 }
1906 break;
1907
1908 case OP_DELETE:
1909 #ifdef FEAT_VISUAL
1910 VIsual_reselect = FALSE; /* don't reselect now */
1911 #endif
1912 if (empty_region_error)
1913 vim_beep();
1914 else
1915 {
1916 (void)op_delete(oap);
1917 if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1918 u_save_cursor(); /* cursor line wasn't saved yet */
1919 auto_format(FALSE, TRUE);
1920 }
1921 break;
1922
1923 case OP_YANK:
1924 if (empty_region_error)
1925 {
1926 if (!gui_yank)
1927 vim_beep();
1928 }
1929 else
1930 (void)op_yank(oap, FALSE, !gui_yank);
1931 check_cursor_col();
1932 break;
1933
1934 case OP_CHANGE:
1935 #ifdef FEAT_VISUAL
1936 VIsual_reselect = FALSE; /* don't reselect now */
1937 #endif
1938 if (empty_region_error)
1939 vim_beep();
1940 else
1941 {
1942 /* This is a new edit command, not a restart. Need to
1943 * remember it to make 'insertmode' work with mappings for
1944 * Visual mode. But do this only once and not when typed and
1945 * 'insertmode' isn't set. */
1946 if (p_im || !KeyTyped)
1947 restart_edit_save = restart_edit;
1948 else
1949 restart_edit_save = 0;
1950 restart_edit = 0;
1951 /* Reset finish_op now, don't want it set inside edit(). */
1952 finish_op = FALSE;
1953 if (op_change(oap)) /* will call edit() */
1954 cap->retval |= CA_COMMAND_BUSY;
1955 if (restart_edit == 0)
1956 restart_edit = restart_edit_save;
1957 }
1958 break;
1959
1960 case OP_FILTER:
1961 if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1962 AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
1963 else
1964 bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
1965
1966 case OP_INDENT:
1967 case OP_COLON:
1968
1969 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1970 /*
1971 * If 'equalprg' is empty, do the indenting internally.
1972 */
1973 if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1974 {
1975 # ifdef FEAT_LISP
1976 if (curbuf->b_p_lisp)
1977 {
1978 op_reindent(oap, get_lisp_indent);
1979 break;
1980 }
1981 # endif
1982 # ifdef FEAT_CINDENT
1983 op_reindent(oap,
1984 # ifdef FEAT_EVAL
1985 *curbuf->b_p_inde != NUL ? get_expr_indent :
1986 # endif
1987 get_c_indent);
1988 break;
1989 # endif
1990 }
1991 #endif
1992
1993 op_colon(oap);
1994 break;
1995
1996 case OP_TILDE:
1997 case OP_UPPER:
1998 case OP_LOWER:
1999 case OP_ROT13:
2000 if (empty_region_error)
2001 vim_beep();
2002 else
2003 op_tilde(oap);
2004 check_cursor_col();
2005 break;
2006
2007 case OP_FORMAT:
2008 #if defined(FEAT_EVAL)
2009 if (*curbuf->b_p_fex != NUL)
2010 op_formatexpr(oap); /* use expression */
2011 else
2012 #endif
2013 if (*p_fp != NUL)
2014 op_colon(oap); /* use external command */
2015 else
2016 op_format(oap, FALSE); /* use internal function */
2017 break;
2018
2019 case OP_FORMAT2:
2020 op_format(oap, TRUE); /* use internal function */
2021 break;
2022
2023 case OP_FUNCTION:
2024 op_function(oap); /* call 'operatorfunc' */
2025 break;
2026
2027 case OP_INSERT:
2028 case OP_APPEND:
2029 #ifdef FEAT_VISUAL
2030 VIsual_reselect = FALSE; /* don't reselect now */
2031 #endif
2032 #ifdef FEAT_VISUALEXTRA
2033 if (empty_region_error)
2034 vim_beep();
2035 else
2036 {
2037 /* This is a new edit command, not a restart. Need to
2038 * remember it to make 'insertmode' work with mappings for
2039 * Visual mode. But do this only once. */
2040 restart_edit_save = restart_edit;
2041 restart_edit = 0;
2042
2043 op_insert(oap, cap->count1);
2044
2045 /* TODO: when inserting in several lines, should format all
2046 * the lines. */
2047 auto_format(FALSE, TRUE);
2048
2049 if (restart_edit == 0)
2050 restart_edit = restart_edit_save;
2051 }
2052 #else
2053 vim_beep();
2054 #endif
2055 break;
2056
2057 case OP_REPLACE:
2058 #ifdef FEAT_VISUAL
2059 VIsual_reselect = FALSE; /* don't reselect now */
2060 #endif
2061 #ifdef FEAT_VISUALEXTRA
2062 if (empty_region_error)
2063 #endif
2064 vim_beep();
2065 #ifdef FEAT_VISUALEXTRA
2066 else
2067 op_replace(oap, cap->nchar);
2068 #endif
2069 break;
2070
2071 #ifdef FEAT_FOLDING
2072 case OP_FOLD:
2073 VIsual_reselect = FALSE; /* don't reselect now */
2074 foldCreate(oap->start.lnum, oap->end.lnum);
2075 break;
2076
2077 case OP_FOLDOPEN:
2078 case OP_FOLDOPENREC:
2079 case OP_FOLDCLOSE:
2080 case OP_FOLDCLOSEREC:
2081 VIsual_reselect = FALSE; /* don't reselect now */
2082 opFoldRange(oap->start.lnum, oap->end.lnum,
2083 oap->op_type == OP_FOLDOPEN
2084 || oap->op_type == OP_FOLDOPENREC,
2085 oap->op_type == OP_FOLDOPENREC
2086 || oap->op_type == OP_FOLDCLOSEREC,
2087 oap->is_VIsual);
2088 break;
2089
2090 case OP_FOLDDEL:
2091 case OP_FOLDDELREC:
2092 VIsual_reselect = FALSE; /* don't reselect now */
2093 deleteFold(oap->start.lnum, oap->end.lnum,
2094 oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
2095 break;
2096 #endif
2097 default:
2098 clearopbeep(oap);
2099 }
2100 #ifdef FEAT_VIRTUALEDIT
2101 virtual_op = MAYBE;
2102 #endif
2103 if (!gui_yank)
2104 {
2105 /*
2106 * if 'sol' not set, go back to old column for some commands
2107 */
2108 if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2109 && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2110 || oap->op_type == OP_DELETE))
2111 coladvance(curwin->w_curswant = old_col);
2112 }
2113 else
2114 {
2115 curwin->w_cursor = old_cursor;
2116 }
2117 #ifdef FEAT_VISUAL
2118 oap->block_mode = FALSE;
2119 #endif
2120 clearop(oap);
2121 }
2122 }
2123
2124 /*
2125 * Handle indent and format operators and visual mode ":".
2126 */
2127 static void
2128 op_colon(oap)
2129 oparg_T *oap;
2130 {
2131 stuffcharReadbuff(':');
2132 #ifdef FEAT_VISUAL
2133 if (oap->is_VIsual)
2134 stuffReadbuff((char_u *)"'<,'>");
2135 else
2136 #endif
2137 {
2138 /*
2139 * Make the range look nice, so it can be repeated.
2140 */
2141 if (oap->start.lnum == curwin->w_cursor.lnum)
2142 stuffcharReadbuff('.');
2143 else
2144 stuffnumReadbuff((long)oap->start.lnum);
2145 if (oap->end.lnum != oap->start.lnum)
2146 {
2147 stuffcharReadbuff(',');
2148 if (oap->end.lnum == curwin->w_cursor.lnum)
2149 stuffcharReadbuff('.');
2150 else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2151 stuffcharReadbuff('$');
2152 else if (oap->start.lnum == curwin->w_cursor.lnum)
2153 {
2154 stuffReadbuff((char_u *)".+");
2155 stuffnumReadbuff((long)oap->line_count - 1);
2156 }
2157 else
2158 stuffnumReadbuff((long)oap->end.lnum);
2159 }
2160 }
2161 if (oap->op_type != OP_COLON)
2162 stuffReadbuff((char_u *)"!");
2163 if (oap->op_type == OP_INDENT)
2164 {
2165 #ifndef FEAT_CINDENT
2166 if (*get_equalprg() == NUL)
2167 stuffReadbuff((char_u *)"indent");
2168 else
2169 #endif
2170 stuffReadbuff(get_equalprg());
2171 stuffReadbuff((char_u *)"\n");
2172 }
2173 else if (oap->op_type == OP_FORMAT)
2174 {
2175 if (*p_fp == NUL)
2176 stuffReadbuff((char_u *)"fmt");
2177 else
2178 stuffReadbuff(p_fp);
2179 stuffReadbuff((char_u *)"\n']");
2180 }
2181
2182 /*
2183 * do_cmdline() does the rest
2184 */
2185 }
2186
2187 /*
2188 * Handle the "g@" operator: call 'operatorfunc'.
2189 */
2190 static void
2191 op_function(oap)
2192 oparg_T *oap UNUSED;
2193 {
2194 #ifdef FEAT_EVAL
2195 char_u *(argv[1]);
2196
2197 if (*p_opfunc == NUL)
2198 EMSG(_("E774: 'operatorfunc' is empty"));
2199 else
2200 {
2201 /* Set '[ and '] marks to text to be operated on. */
2202 curbuf->b_op_start = oap->start;
2203 curbuf->b_op_end = oap->end;
2204 if (oap->motion_type != MLINE && !oap->inclusive)
2205 /* Exclude the end position. */
2206 decl(&curbuf->b_op_end);
2207
2208 if (oap->block_mode)
2209 argv[0] = (char_u *)"block";
2210 else if (oap->motion_type == MLINE)
2211 argv[0] = (char_u *)"line";
2212 else
2213 argv[0] = (char_u *)"char";
2214 (void)call_func_retnr(p_opfunc, 1, argv, FALSE);
2215 }
2216 #else
2217 EMSG(_("E775: Eval feature not available"));
2218 #endif
2219 }
2220
2221 #if defined(FEAT_MOUSE) || defined(PROTO)
2222 /*
2223 * Do the appropriate action for the current mouse click in the current mode.
2224 * Not used for Command-line mode.
2225 *
2226 * Normal Mode:
2227 * event modi- position visual change action
2228 * fier cursor window
2229 * left press - yes end yes
2230 * left press C yes end yes "^]" (2)
2231 * left press S yes end yes "*" (2)
2232 * left drag - yes start if moved no
2233 * left relse - yes start if moved no
2234 * middle press - yes if not active no put register
2235 * middle press - yes if active no yank and put
2236 * right press - yes start or extend yes
2237 * right press S yes no change yes "#" (2)
2238 * right drag - yes extend no
2239 * right relse - yes extend no
2240 *
2241 * Insert or Replace Mode:
2242 * event modi- position visual change action
2243 * fier cursor window
2244 * left press - yes (cannot be active) yes
2245 * left press C yes (cannot be active) yes "CTRL-O^]" (2)
2246 * left press S yes (cannot be active) yes "CTRL-O*" (2)
2247 * left drag - yes start or extend (1) no CTRL-O (1)
2248 * left relse - yes start or extend (1) no CTRL-O (1)
2249 * middle press - no (cannot be active) no put register
2250 * right press - yes start or extend yes CTRL-O
2251 * right press S yes (cannot be active) yes "CTRL-O#" (2)
2252 *
2253 * (1) only if mouse pointer moved since press
2254 * (2) only if click is in same buffer
2255 *
2256 * Return TRUE if start_arrow() should be called for edit mode.
2257 */
2258 int
2259 do_mouse(oap, c, dir, count, fixindent)
2260 oparg_T *oap; /* operator argument, can be NULL */
2261 int c; /* K_LEFTMOUSE, etc */
2262 int dir; /* Direction to 'put' if necessary */
2263 long count;
2264 int fixindent; /* PUT_FIXINDENT if fixing indent necessary */
2265 {
2266 static int do_always = FALSE; /* ignore 'mouse' setting next time */
2267 static int got_click = FALSE; /* got a click some time back */
2268
2269 int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
2270 int is_click; /* If FALSE it's a drag or release event */
2271 int is_drag; /* If TRUE it's a drag event */
2272 int jump_flags = 0; /* flags for jump_to_mouse() */
2273 pos_T start_visual;
2274 int moved; /* Has cursor moved? */
2275 int in_status_line; /* mouse in status line */
2276 #ifdef FEAT_VERTSPLIT
2277 int in_sep_line; /* mouse in vertical separator line */
2278 #endif
2279 int c1, c2;
2280 #if defined(FEAT_FOLDING)
2281 pos_T save_cursor;
2282 #endif
2283 win_T *old_curwin = curwin;
2284 #ifdef FEAT_VISUAL
2285 static pos_T orig_cursor;
2286 colnr_T leftcol, rightcol;
2287 pos_T end_visual;
2288 int diff;
2289 int old_active = VIsual_active;
2290 int old_mode = VIsual_mode;
2291 #endif
2292 int regname;
2293
2294 #if defined(FEAT_FOLDING)
2295 save_cursor = curwin->w_cursor;
2296 #endif
2297
2298 /*
2299 * When GUI is active, always recognize mouse events, otherwise:
2300 * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2301 * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2302 * - For command line and insert mode 'mouse' is checked before calling
2303 * do_mouse().
2304 */
2305 if (do_always)
2306 do_always = FALSE;
2307 else
2308 #ifdef FEAT_GUI
2309 if (!gui.in_use)
2310 #endif
2311 {
2312 #ifdef FEAT_VISUAL
2313 if (VIsual_active)
2314 {
2315 if (!mouse_has(MOUSE_VISUAL))
2316 return FALSE;
2317 }
2318 else
2319 #endif
2320 if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2321 return FALSE;
2322 }
2323
2324 which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2325
2326 #ifdef FEAT_MOUSESHAPE
2327 /* May have stopped dragging the status or separator line. The pointer is
2328 * most likely still on the status or separator line. */
2329 if (!is_drag && drag_status_line)
2330 {
2331 drag_status_line = FALSE;
2332 update_mouseshape(SHAPE_IDX_STATUS);
2333 }
2334 # ifdef FEAT_VERTSPLIT
2335 if (!is_drag && drag_sep_line)
2336 {
2337 drag_sep_line = FALSE;
2338 update_mouseshape(SHAPE_IDX_VSEP);
2339 }
2340 # endif
2341 #endif
2342
2343 /*
2344 * Ignore drag and release events if we didn't get a click.
2345 */
2346 if (is_click)
2347 got_click = TRUE;
2348 else
2349 {
2350 if (!got_click) /* didn't get click, ignore */
2351 return FALSE;
2352 if (!is_drag) /* release, reset got_click */
2353 got_click = FALSE;
2354 }
2355
2356 #ifndef FEAT_VISUAL
2357 /*
2358 * ALT is only used for starging/extending Visual mode.
2359 */
2360 if ((mod_mask & MOD_MASK_ALT))
2361 return FALSE;
2362 #endif
2363
2364 /*
2365 * CTRL right mouse button does CTRL-T
2366 */
2367 if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2368 {
2369 if (State & INSERT)
2370 stuffcharReadbuff(Ctrl_O);
2371 if (count > 1)
2372 stuffnumReadbuff(count);
2373 stuffcharReadbuff(Ctrl_T);
2374 got_click = FALSE; /* ignore drag&release now */
2375 return FALSE;
2376 }
2377
2378 /*
2379 * CTRL only works with left mouse button
2380 */
2381 if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2382 return FALSE;
2383
2384 /*
2385 * When a modifier is down, ignore drag and release events, as well as
2386 * multiple clicks and the middle mouse button.
2387 * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2388 */
2389 if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
2390 | MOD_MASK_META))
2391 && (!is_click
2392 || (mod_mask & MOD_MASK_MULTI_CLICK)
2393 || which_button == MOUSE_MIDDLE)
2394 && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
2395 && mouse_model_popup()
2396 && which_button == MOUSE_LEFT)
2397 && !((mod_mask & MOD_MASK_ALT)
2398 && !mouse_model_popup()
2399 && which_button == MOUSE_RIGHT)
2400 )
2401 return FALSE;
2402
2403 /*
2404 * If the button press was used as the movement command for an operator
2405 * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2406 * drag/release events.
2407 */
2408 if (!is_click && which_button == MOUSE_MIDDLE)
2409 return FALSE;
2410
2411 if (oap != NULL)
2412 regname = oap->regname;
2413 else
2414 regname = 0;
2415
2416 /*
2417 * Middle mouse button does a 'put' of the selected text
2418 */
2419 if (which_button == MOUSE_MIDDLE)
2420 {
2421 if (State == NORMAL)
2422 {
2423 /*
2424 * If an operator was pending, we don't know what the user wanted
2425 * to do. Go back to normal mode: Clear the operator and beep().
2426 */
2427 if (oap != NULL && oap->op_type != OP_NOP)
2428 {
2429 clearopbeep(oap);
2430 return FALSE;
2431 }
2432
2433 #ifdef FEAT_VISUAL
2434 /*
2435 * If visual was active, yank the highlighted text and put it
2436 * before the mouse pointer position.
2437 * In Select mode replace the highlighted text with the clipboard.
2438 */
2439 if (VIsual_active)
2440 {
2441 if (VIsual_select)
2442 {
2443 stuffcharReadbuff(Ctrl_G);
2444 stuffReadbuff((char_u *)"\"+p");
2445 }
2446 else
2447 {
2448 stuffcharReadbuff('y');
2449 stuffcharReadbuff(K_MIDDLEMOUSE);
2450 }
2451 do_always = TRUE; /* ignore 'mouse' setting next time */
2452 return FALSE;
2453 }
2454 #endif
2455 /*
2456 * The rest is below jump_to_mouse()
2457 */
2458 }
2459
2460 else if ((State & INSERT) == 0)
2461 return FALSE;
2462
2463 /*
2464 * Middle click in insert mode doesn't move the mouse, just insert the
2465 * contents of a register. '.' register is special, can't insert that
2466 * with do_put().
2467 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2468 * happens for the GUI).
2469 */
2470 if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2471 {
2472 if (regname == '.')
2473 insert_reg(regname, TRUE);
2474 else
2475 {
2476 #ifdef FEAT_CLIPBOARD
2477 if (clip_star.available && regname == 0)
2478 regname = '*';
2479 #endif
2480 if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2481 insert_reg(regname, TRUE);
2482 else
2483 {
2484 do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2485
2486 /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2487 AppendCharToRedobuff(Ctrl_R);
2488 AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2489 AppendCharToRedobuff(regname == 0 ? '"' : regname);
2490 }
2491 }
2492 return FALSE;
2493 }
2494 }
2495
2496 /* When dragging or button-up stay in the same window. */
2497 if (!is_click)
2498 jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2499
2500 start_visual.lnum = 0;
2501
2502 #ifdef FEAT_WINDOWS
2503 /* Check for clicking in the tab page line. */
2504 if (mouse_row == 0 && firstwin->w_winrow > 0)
2505 {
2506 if (is_drag)
2507 return FALSE;
2508 got_click = FALSE; /* ignore mouse-up and drag events */
2509
2510 /* click in a tab selects that tab page */
2511 if (is_click
2512 # ifdef FEAT_CMDWIN
2513 && cmdwin_type == 0
2514 # endif
2515 && mouse_col < Columns)
2516 {
2517 c1 = TabPageIdxs[mouse_col];
2518 if (c1 >= 0)
2519 {
2520 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2521 {
2522 /* double click opens new page */
2523 end_visual_mode();
2524 tabpage_new();
2525 tabpage_move(c1 == 0 ? 9999 : c1 - 1);
2526 }
2527 else
2528 {
2529 /* Go to specified tab page, or next one if not clicking
2530 * on a label. */
2531 goto_tabpage(c1);
2532
2533 /* It's like clicking on the status line of a window. */
2534 if (curwin != old_curwin)
2535 end_visual_mode();
2536 }
2537 }
2538 else if (c1 < 0)
2539 {
2540 tabpage_T *tp;
2541
2542 /* Close the current or specified tab page. */
2543 if (c1 == -999)
2544 tp = curtab;
2545 else
2546 tp = find_tabpage(-c1);
2547 if (tp == curtab)
2548 {
2549 if (first_tabpage->tp_next != NULL)
2550 tabpage_close(FALSE);
2551 }
2552 else if (tp != NULL)
2553 tabpage_close_other(tp, FALSE);
2554 }
2555 }
2556 return TRUE;
2557 }
2558 #endif
2559
2560 /*
2561 * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2562 * right button up -> pop-up menu
2563 * shift-left button -> right button
2564 * alt-left button -> alt-right button
2565 */
2566 if (mouse_model_popup())
2567 {
2568 if (which_button == MOUSE_RIGHT
2569 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2570 {
2571 /*
2572 * NOTE: Ignore right button down and drag mouse events.
2573 * Windows only shows the popup menu on the button up event.
2574 */
2575 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2576 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2577 if (!is_click)
2578 return FALSE;
2579 #endif
2580 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2581 if (is_click || is_drag)
2582 return FALSE;
2583 #endif
2584 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2585 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2586 || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2587 if (gui.in_use)
2588 {
2589 jump_flags = 0;
2590 if (STRCMP(p_mousem, "popup_setpos") == 0)
2591 {
2592 /* First set the cursor position before showing the popup
2593 * menu. */
2594 #ifdef FEAT_VISUAL
2595 if (VIsual_active)
2596 {
2597 pos_T m_pos;
2598
2599 /*
2600 * set MOUSE_MAY_STOP_VIS if we are outside the
2601 * selection or the current window (might have false
2602 * negative here)
2603 */
2604 if (mouse_row < W_WINROW(curwin)
2605 || mouse_row
2606 > (W_WINROW(curwin) + curwin->w_height))
2607 jump_flags = MOUSE_MAY_STOP_VIS;
2608 else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2609 jump_flags = MOUSE_MAY_STOP_VIS;
2610 else
2611 {
2612 if ((lt(curwin->w_cursor, VIsual)
2613 && (lt(m_pos, curwin->w_cursor)
2614 || lt(VIsual, m_pos)))
2615 || (lt(VIsual, curwin->w_cursor)
2616 && (lt(m_pos, VIsual)
2617 || lt(curwin->w_cursor, m_pos))))
2618 {
2619 jump_flags = MOUSE_MAY_STOP_VIS;
2620 }
2621 else if (VIsual_mode == Ctrl_V)
2622 {
2623 getvcols(curwin, &curwin->w_cursor, &VIsual,
2624 &leftcol, &rightcol);
2625 getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2626 if (m_pos.col < leftcol || m_pos.col > rightcol)
2627 jump_flags = MOUSE_MAY_STOP_VIS;
2628 }
2629 }
2630 }
2631 else
2632 jump_flags = MOUSE_MAY_STOP_VIS;
2633 #endif
2634 }
2635 if (jump_flags)
2636 {
2637 jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2638 update_curbuf(
2639 #ifdef FEAT_VISUAL
2640 VIsual_active ? INVERTED :
2641 #endif
2642 VALID);
2643 setcursor();
2644 out_flush(); /* Update before showing popup menu */
2645 }
2646 # ifdef FEAT_MENU
2647 gui_show_popupmenu();
2648 # endif
2649 return (jump_flags & CURSOR_MOVED) != 0;
2650 }
2651 else
2652 return FALSE;
2653 #else
2654 return FALSE;
2655 #endif
2656 }
2657 if (which_button == MOUSE_LEFT
2658 && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)))
2659 {
2660 which_button = MOUSE_RIGHT;
2661 mod_mask &= ~MOD_MASK_SHIFT;
2662 }
2663 }
2664
2665 #ifdef FEAT_VISUAL
2666 if ((State & (NORMAL | INSERT))
2667 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2668 {
2669 if (which_button == MOUSE_LEFT)
2670 {
2671 if (is_click)
2672 {
2673 /* stop Visual mode for a left click in a window, but not when
2674 * on a status line */
2675 if (VIsual_active)
2676 jump_flags |= MOUSE_MAY_STOP_VIS;
2677 }
2678 else if (mouse_has(MOUSE_VISUAL))
2679 jump_flags |= MOUSE_MAY_VIS;
2680 }
2681 else if (which_button == MOUSE_RIGHT)
2682 {
2683 if (is_click && VIsual_active)
2684 {
2685 /*
2686 * Remember the start and end of visual before moving the
2687 * cursor.
2688 */
2689 if (lt(curwin->w_cursor, VIsual))
2690 {
2691 start_visual = curwin->w_cursor;
2692 end_visual = VIsual;
2693 }
2694 else
2695 {
2696 start_visual = VIsual;
2697 end_visual = curwin->w_cursor;
2698 }
2699 }
2700 jump_flags |= MOUSE_FOCUS;
2701 if (mouse_has(MOUSE_VISUAL))
2702 jump_flags |= MOUSE_MAY_VIS;
2703 }
2704 }
2705 #endif
2706
2707 /*
2708 * If an operator is pending, ignore all drags and releases until the
2709 * next mouse click.
2710 */
2711 if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2712 {
2713 got_click = FALSE;
2714 oap->motion_type = MCHAR;
2715 }
2716
2717 /* When releasing the button let jump_to_mouse() know. */
2718 if (!is_click && !is_drag)
2719 jump_flags |= MOUSE_RELEASED;
2720
2721 /*
2722 * JUMP!
2723 */
2724 jump_flags = jump_to_mouse(jump_flags,
2725 oap == NULL ? NULL : &(oap->inclusive), which_button);
2726 moved = (jump_flags & CURSOR_MOVED);
2727 in_status_line = (jump_flags & IN_STATUS_LINE);
2728 #ifdef FEAT_VERTSPLIT
2729 in_sep_line = (jump_flags & IN_SEP_LINE);
2730 #endif
2731
2732 #ifdef FEAT_NETBEANS_INTG
2733 if (usingNetbeans && isNetbeansBuffer(curbuf)
2734 && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2735 {
2736 int key = KEY2TERMCAP1(c);
2737
2738 if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2739 || key == (int)KE_RIGHTRELEASE)
2740 netbeans_button_release(which_button);
2741 }
2742 #endif
2743
2744 /* When jumping to another window, clear a pending operator. That's a bit
2745 * friendlier than beeping and not jumping to that window. */
2746 if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2747 clearop(oap);
2748
2749 #ifdef FEAT_FOLDING
2750 if (mod_mask == 0
2751 && !is_drag
2752 && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2753 && which_button == MOUSE_LEFT)
2754 {
2755 /* open or close a fold at this line */
2756 if (jump_flags & MOUSE_FOLD_OPEN)
2757 openFold(curwin->w_cursor.lnum, 1L);
2758 else
2759 closeFold(curwin->w_cursor.lnum, 1L);
2760 /* don't move the cursor if still in the same window */
2761 if (curwin == old_curwin)
2762 curwin->w_cursor = save_cursor;
2763 }
2764 #endif
2765
2766 #if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2767 if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2768 {
2769 clip_modeless(which_button, is_click, is_drag);
2770 return FALSE;
2771 }
2772 #endif
2773
2774 #ifdef FEAT_VISUAL
2775 /* Set global flag that we are extending the Visual area with mouse
2776 * dragging; temporarily minimize 'scrolloff'. */
2777 if (VIsual_active && is_drag && p_so)
2778 {
2779 /* In the very first line, allow scrolling one line */
2780 if (mouse_row == 0)
2781 mouse_dragging = 2;
2782 else
2783 mouse_dragging = 1;
2784 }
2785
2786 /* When dragging the mouse above the window, scroll down. */
2787 if (is_drag && mouse_row < 0 && !in_status_line)
2788 {
2789 scroll_redraw(FALSE, 1L);
2790 mouse_row = 0;
2791 }
2792
2793 if (start_visual.lnum) /* right click in visual mode */
2794 {
2795 /* When ALT is pressed make Visual mode blockwise. */
2796 if (mod_mask & MOD_MASK_ALT)
2797 VIsual_mode = Ctrl_V;
2798
2799 /*
2800 * In Visual-block mode, divide the area in four, pick up the corner
2801 * that is in the quarter that the cursor is in.
2802 */
2803 if (VIsual_mode == Ctrl_V)
2804 {
2805 getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2806 if (curwin->w_curswant > (leftcol + rightcol) / 2)
2807 end_visual.col = leftcol;
2808 else
2809 end_visual.col = rightcol;
2810 if (curwin->w_cursor.lnum <
2811 (start_visual.lnum + end_visual.lnum) / 2)
2812 end_visual.lnum = end_visual.lnum;
2813 else
2814 end_visual.lnum = start_visual.lnum;
2815
2816 /* move VIsual to the right column */
2817 start_visual = curwin->w_cursor; /* save the cursor pos */
2818 curwin->w_cursor = end_visual;
2819 coladvance(end_visual.col);
2820 VIsual = curwin->w_cursor;
2821 curwin->w_cursor = start_visual; /* restore the cursor */
2822 }
2823 else
2824 {
2825 /*
2826 * If the click is before the start of visual, change the start.
2827 * If the click is after the end of visual, change the end. If
2828 * the click is inside the visual, change the closest side.
2829 */
2830 if (lt(curwin->w_cursor, start_visual))
2831 VIsual = end_visual;
2832 else if (lt(end_visual, curwin->w_cursor))
2833 VIsual = start_visual;
2834 else
2835 {
2836 /* In the same line, compare column number */
2837 if (end_visual.lnum == start_visual.lnum)
2838 {
2839 if (curwin->w_cursor.col - start_visual.col >
2840 end_visual.col - curwin->w_cursor.col)
2841 VIsual = start_visual;
2842 else
2843 VIsual = end_visual;
2844 }
2845
2846 /* In different lines, compare line number */
2847 else
2848 {
2849 diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2850 (end_visual.lnum - curwin->w_cursor.lnum);
2851
2852 if (diff > 0) /* closest to end */
2853 VIsual = start_visual;
2854 else if (diff < 0) /* closest to start */
2855 VIsual = end_visual;
2856 else /* in the middle line */
2857 {
2858 if (curwin->w_cursor.col <
2859 (start_visual.col + end_visual.col) / 2)
2860 VIsual = end_visual;
2861 else
2862 VIsual = start_visual;
2863 }
2864 }
2865 }
2866 }
2867 }
2868 /*
2869 * If Visual mode started in insert mode, execute "CTRL-O"
2870 */
2871 else if ((State & INSERT) && VIsual_active)
2872 stuffcharReadbuff(Ctrl_O);
2873 #endif
2874
2875 /*
2876 * Middle mouse click: Put text before cursor.
2877 */
2878 if (which_button == MOUSE_MIDDLE)
2879 {
2880 #ifdef FEAT_CLIPBOARD
2881 if (clip_star.available && regname == 0)
2882 regname = '*';
2883 #endif
2884 if (yank_register_mline(regname))
2885 {
2886 if (mouse_past_bottom)
2887 dir = FORWARD;
2888 }
2889 else if (mouse_past_eol)
2890 dir = FORWARD;
2891
2892 if (fixindent)
2893 {
2894 c1 = (dir == BACKWARD) ? '[' : ']';
2895 c2 = 'p';
2896 }
2897 else
2898 {
2899 c1 = (dir == FORWARD) ? 'p' : 'P';
2900 c2 = NUL;
2901 }
2902 prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2903
2904 /*
2905 * Remember where the paste started, so in edit() Insstart can be set
2906 * to this position
2907 */
2908 if (restart_edit != 0)
2909 where_paste_started = curwin->w_cursor;
2910 do_put(regname, dir, count, fixindent | PUT_CURSEND);
2911 }
2912
2913 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2914 /*
2915 * Ctrl-Mouse click or double click in a quickfix window jumps to the
2916 * error under the mouse pointer.
2917 */
2918 else if (((mod_mask & MOD_MASK_CTRL)
2919 || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2920 && bt_quickfix(curbuf))
2921 {
2922 if (State & INSERT)
2923 stuffcharReadbuff(Ctrl_O);
2924 if (curwin->w_llist_ref == NULL) /* quickfix window */
2925 stuffReadbuff((char_u *)":.cc\n");
2926 else /* location list window */
2927 stuffReadbuff((char_u *)":.ll\n");
2928 got_click = FALSE; /* ignore drag&release now */
2929 }
2930 #endif
2931
2932 /*
2933 * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2934 * under the mouse pointer.
2935 */
2936 else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2937 && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2938 {
2939 if (State & INSERT)
2940 stuffcharReadbuff(Ctrl_O);
2941 stuffcharReadbuff(Ctrl_RSB);
2942 got_click = FALSE; /* ignore drag&release now */
2943 }
2944
2945 /*
2946 * Shift-Mouse click searches for the next occurrence of the word under
2947 * the mouse pointer
2948 */
2949 else if ((mod_mask & MOD_MASK_SHIFT))
2950 {
2951 if (State & INSERT
2952 #ifdef FEAT_VISUAL
2953 || (VIsual_active && VIsual_select)
2954 #endif
2955 )
2956 stuffcharReadbuff(Ctrl_O);
2957 if (which_button == MOUSE_LEFT)
2958 stuffcharReadbuff('*');
2959 else /* MOUSE_RIGHT */
2960 stuffcharReadbuff('#');
2961 }
2962
2963 /* Handle double clicks, unless on status line */
2964 else if (in_status_line)
2965 {
2966 #ifdef FEAT_MOUSESHAPE
2967 if ((is_drag || is_click) && !drag_status_line)
2968 {
2969 drag_status_line = TRUE;
2970 update_mouseshape(-1);
2971 }
2972 #endif
2973 }
2974 #ifdef FEAT_VERTSPLIT
2975 else if (in_sep_line)
2976 {
2977 # ifdef FEAT_MOUSESHAPE
2978 if ((is_drag || is_click) && !drag_sep_line)
2979 {
2980 drag_sep_line = TRUE;
2981 update_mouseshape(-1);
2982 }
2983 # endif
2984 }
2985 #endif
2986 #ifdef FEAT_VISUAL
2987 else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2988 && mouse_has(MOUSE_VISUAL))
2989 {
2990 if (is_click || !VIsual_active)
2991 {
2992 if (VIsual_active)
2993 orig_cursor = VIsual;
2994 else
2995 {
2996 check_visual_highlight();
2997 VIsual = curwin->w_cursor;
2998 orig_cursor = VIsual;
2999 VIsual_active = TRUE;
3000 VIsual_reselect = TRUE;
3001 /* start Select mode if 'selectmode' contains "mouse" */
3002 may_start_select('o');
3003 setmouse();
3004 }
3005 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3006 {
3007 /* Double click with ALT pressed makes it blockwise. */
3008 if (mod_mask & MOD_MASK_ALT)
3009 VIsual_mode = Ctrl_V;
3010 else
3011 VIsual_mode = 'v';
3012 }
3013 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
3014 VIsual_mode = 'V';
3015 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
3016 VIsual_mode = Ctrl_V;
3017 #ifdef FEAT_CLIPBOARD
3018 /* Make sure the clipboard gets updated. Needed because start and
3019 * end may still be the same, and the selection needs to be owned */
3020 clip_star.vmode = NUL;
3021 #endif
3022 }
3023 /*
3024 * A double click selects a word or a block.
3025 */
3026 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
3027 {
3028 pos_T *pos = NULL;
3029 int gc;
3030
3031 if (is_click)
3032 {
3033 /* If the character under the cursor (skipping white space) is
3034 * not a word character, try finding a match and select a (),
3035 * {}, [], #if/#endif, etc. block. */
3036 end_visual = curwin->w_cursor;
3037 while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
3038 inc(&end_visual);
3039 if (oap != NULL)
3040 oap->motion_type = MCHAR;
3041 if (oap != NULL
3042 && VIsual_mode == 'v'
3043 && !vim_iswordc(gchar_pos(&end_visual))
3044 && equalpos(curwin->w_cursor, VIsual)
3045 && (pos = findmatch(oap, NUL)) != NULL)
3046 {
3047 curwin->w_cursor = *pos;
3048 if (oap->motion_type == MLINE)
3049 VIsual_mode = 'V';
3050 else if (*p_sel == 'e')
3051 {
3052 if (lt(curwin->w_cursor, VIsual))
3053 ++VIsual.col;
3054 else
3055 ++curwin->w_cursor.col;
3056 }
3057 }
3058 }
3059
3060 if (pos == NULL && (is_click || is_drag))
3061 {
3062 /* When not found a match or when dragging: extend to include
3063 * a word. */
3064 if (lt(curwin->w_cursor, orig_cursor))
3065 {
3066 find_start_of_word(&curwin->w_cursor);
3067 find_end_of_word(&VIsual);
3068 }
3069 else
3070 {
3071 find_start_of_word(&VIsual);
3072 if (*p_sel == 'e' && *ml_get_cursor() != NUL)
3073 #ifdef FEAT_MBYTE
3074 curwin->w_cursor.col +=
3075 (*mb_ptr2len)(ml_get_cursor());
3076 #else
3077 ++curwin->w_cursor.col;
3078 #endif
3079 find_end_of_word(&curwin->w_cursor);
3080 }
3081 }
3082 curwin->w_set_curswant = TRUE;
3083 }
3084 if (is_click)
3085 redraw_curbuf_later(INVERTED); /* update the inversion */
3086 }
3087 else if (VIsual_active && !old_active)
3088 {
3089 if (mod_mask & MOD_MASK_ALT)
3090 VIsual_mode = Ctrl_V;
3091 else
3092 VIsual_mode = 'v';
3093 }
3094
3095 /* If Visual mode changed show it later. */
3096 if ((!VIsual_active && old_active && mode_displayed)
3097 || (VIsual_active && p_smd && msg_silent == 0
3098 && (!old_active || VIsual_mode != old_mode)))
3099 redraw_cmdline = TRUE;
3100 #endif
3101
3102 return moved;
3103 }
3104
3105 #ifdef FEAT_VISUAL
3106 /*
3107 * Move "pos" back to the start of the word it's in.
3108 */
3109 static void
3110 find_start_of_word(pos)
3111 pos_T *pos;
3112 {
3113 char_u *line;
3114 int cclass;
3115 int col;
3116
3117 line = ml_get(pos->lnum);
3118 cclass = get_mouse_class(line + pos->col);
3119
3120 while (pos->col > 0)
3121 {
3122 col = pos->col - 1;
3123 #ifdef FEAT_MBYTE
3124 col -= (*mb_head_off)(line, line + col);
3125 #endif
3126 if (get_mouse_class(line + col) != cclass)
3127 break;
3128 pos->col = col;
3129 }
3130 }
3131
3132 /*
3133 * Move "pos" forward to the end of the word it's in.
3134 * When 'selection' is "exclusive", the position is just after the word.
3135 */
3136 static void
3137 find_end_of_word(pos)
3138 pos_T *pos;
3139 {
3140 char_u *line;
3141 int cclass;
3142 int col;
3143
3144 line = ml_get(pos->lnum);
3145 if (*p_sel == 'e' && pos->col > 0)
3146 {
3147 --pos->col;
3148 #ifdef FEAT_MBYTE
3149 pos->col -= (*mb_head_off)(line, line + pos->col);
3150 #endif
3151 }
3152 cclass = get_mouse_class(line + pos->col);
3153 while (line[pos->col] != NUL)
3154 {
3155 #ifdef FEAT_MBYTE
3156 col = pos->col + (*mb_ptr2len)(line + pos->col);
3157 #else
3158 col = pos->col + 1;
3159 #endif
3160 if (get_mouse_class(line + col) != cclass)
3161 {
3162 if (*p_sel == 'e')
3163 pos->col = col;
3164 break;
3165 }
3166 pos->col = col;
3167 }
3168 }
3169
3170 /*
3171 * Get class of a character for selection: same class means same word.
3172 * 0: blank
3173 * 1: punctuation groups
3174 * 2: normal word character
3175 * >2: multi-byte word character.
3176 */
3177 static int
3178 get_mouse_class(p)
3179 char_u *p;
3180 {
3181 int c;
3182
3183 #ifdef FEAT_MBYTE
3184 if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
3185 return mb_get_class(p);
3186 #endif
3187
3188 c = *p;
3189 if (c == ' ' || c == '\t')
3190 return 0;
3191
3192 if (vim_iswordc(c))
3193 return 2;
3194
3195 /*
3196 * There are a few special cases where we want certain combinations of
3197 * characters to be considered as a single word. These are things like
3198 * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
3199 * character is in it's own class.
3200 */
3201 if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3202 return 1;
3203 return c;
3204 }
3205 #endif /* FEAT_VISUAL */
3206 #endif /* FEAT_MOUSE */
3207
3208 #if defined(FEAT_VISUAL) || defined(PROTO)
3209 /*
3210 * Check if highlighting for visual mode is possible, give a warning message
3211 * if not.
3212 */
3213 void
3214 check_visual_highlight()
3215 {
3216 static int did_check = FALSE;
3217
3218 if (full_screen)
3219 {
3220 if (!did_check && hl_attr(HLF_V) == 0)
3221 MSG(_("Warning: terminal cannot highlight"));
3222 did_check = TRUE;
3223 }
3224 }
3225
3226 /*
3227 * End Visual mode.
3228 * This function should ALWAYS be called to end Visual mode, except from
3229 * do_pending_operator().
3230 */
3231 void
3232 end_visual_mode()
3233 {
3234 #ifdef FEAT_CLIPBOARD
3235 /*
3236 * If we are using the clipboard, then remember what was selected in case
3237 * we need to paste it somewhere while we still own the selection.
3238 * Only do this when the clipboard is already owned. Don't want to grab
3239 * the selection when hitting ESC.
3240 */
3241 if (clip_star.available && clip_star.owned)
3242 clip_auto_select();
3243 #endif
3244
3245 VIsual_active = FALSE;
3246 #ifdef FEAT_MOUSE
3247 setmouse();
3248 mouse_dragging = 0;
3249 #endif
3250
3251 /* Save the current VIsual area for '< and '> marks, and "gv" */
3252 curbuf->b_visual.vi_mode = VIsual_mode;
3253 curbuf->b_visual.vi_start = VIsual;
3254 curbuf->b_visual.vi_end = curwin->w_cursor;
3255 curbuf->b_visual.vi_curswant = curwin->w_curswant;
3256 #ifdef FEAT_EVAL
3257 curbuf->b_visual_mode_eval = VIsual_mode;
3258 #endif
3259 #ifdef FEAT_VIRTUALEDIT
3260 if (!virtual_active())
3261 curwin->w_cursor.coladd = 0;
3262 #endif
3263
3264 if (mode_displayed)
3265 clear_cmdline = TRUE; /* unshow visual mode later */
3266 #ifdef FEAT_CMDL_INFO
3267 else
3268 clear_showcmd();
3269 #endif
3270
3271 adjust_cursor_eol();
3272 }
3273
3274 /*
3275 * Reset VIsual_active and VIsual_reselect.
3276 */
3277 void
3278 reset_VIsual_and_resel()
3279 {
3280 if (VIsual_active)
3281 {
3282 end_visual_mode();
3283 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3284 }
3285 VIsual_reselect = FALSE;
3286 }
3287
3288 /*
3289 * Reset VIsual_active and VIsual_reselect if it's set.
3290 */
3291 void
3292 reset_VIsual()
3293 {
3294 if (VIsual_active)
3295 {
3296 end_visual_mode();
3297 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3298 VIsual_reselect = FALSE;
3299 }
3300 }
3301 #endif /* FEAT_VISUAL */
3302
3303 #if defined(FEAT_BEVAL)
3304 static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3305
3306 /*
3307 * Check for a balloon-eval special item to include when searching for an
3308 * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
3309 * Returns TRUE if the character at "*ptr" should be included.
3310 * "dir" is FORWARD or BACKWARD, the direction of searching.
3311 * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3312 * "bnp" points to a counter for square brackets.
3313 */
3314 static int
3315 find_is_eval_item(ptr, colp, bnp, dir)
3316 char_u *ptr;
3317 int *colp;
3318 int *bnp;
3319 int dir;
3320 {
3321 /* Accept everything inside []. */
3322 if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3323 ++*bnp;
3324 if (*bnp > 0)
3325 {
3326 if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3327 --*bnp;
3328 return TRUE;
3329 }
3330
3331 /* skip over "s.var" */
3332 if (*ptr == '.')
3333 return TRUE;
3334
3335 /* two-character item: s->var */
3336 if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3337 && ptr[dir == BACKWARD ? -1 : 0] == '-')
3338 {
3339 *colp += dir;
3340 return TRUE;
3341 }
3342 return FALSE;
3343 }
3344 #endif
3345
3346 /*
3347 * Find the identifier under or to the right of the cursor.
3348 * "find_type" can have one of three values:
3349 * FIND_IDENT: find an identifier (keyword)
3350 * FIND_STRING: find any non-white string
3351 * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3352 * FIND_EVAL: find text useful for C program debugging
3353 *
3354 * There are three steps:
3355 * 1. Search forward for the start of an identifier/string. Doesn't move if
3356 * already on one.
3357 * 2. Search backward for the start of this identifier/string.
3358 * This doesn't match the real Vi but I like it a little better and it
3359 * shouldn't bother anyone.
3360 * 3. Search forward to the end of this identifier/string.
3361 * When FIND_IDENT isn't defined, we backup until a blank.
3362 *
3363 * Returns the length of the string, or zero if no string is found.
3364 * If a string is found, a pointer to the string is put in "*string". This
3365 * string is not always NUL terminated.
3366 */
3367 int
3368 find_ident_under_cursor(string, find_type)
3369 char_u **string;
3370 int find_type;
3371 {
3372 return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3373 curwin->w_cursor.col, string, find_type);
3374 }
3375
3376 /*
3377 * Like find_ident_under_cursor(), but for any window and any position.
3378 * However: Uses 'iskeyword' from the current window!.
3379 */
3380 int
3381 find_ident_at_pos(wp, lnum, startcol, string, find_type)
3382 win_T *wp;
3383 linenr_T lnum;
3384 colnr_T startcol;
3385 char_u **string;
3386 int find_type;
3387 {
3388 char_u *ptr;
3389 int col = 0; /* init to shut up GCC */
3390 int i;
3391 #ifdef FEAT_MBYTE
3392 int this_class = 0;
3393 int prev_class;
3394 int prevcol;
3395 #endif
3396 #if defined(FEAT_BEVAL)
3397 int bn = 0; /* bracket nesting */
3398 #endif
3399
3400 /*
3401 * if i == 0: try to find an identifier
3402 * if i == 1: try to find any non-white string
3403 */
3404 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3405 for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
3406 {
3407 /*
3408 * 1. skip to start of identifier/string
3409 */
3410 col = startcol;
3411 #ifdef FEAT_MBYTE
3412 if (has_mbyte)
3413 {
3414 while (ptr[col] != NUL)
3415 {
3416 # if defined(FEAT_BEVAL)
3417 /* Stop at a ']' to evaluate "a[x]". */
3418 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3419 break;
3420 # endif
3421 this_class = mb_get_class(ptr + col);
3422 if (this_class != 0 && (i == 1 || this_class != 1))
3423 break;
3424 col += (*mb_ptr2len)(ptr + col);
3425 }
3426 }
3427 else
3428 #endif
3429 while (ptr[col] != NUL
3430 && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3431 # if defined(FEAT_BEVAL)
3432 && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3433 # endif
3434 )
3435 ++col;
3436
3437 #if defined(FEAT_BEVAL)
3438 /* When starting on a ']' count it, so that we include the '['. */
3439 bn = ptr[col] == ']';
3440 #endif
3441
3442 /*
3443 * 2. Back up to start of identifier/string.
3444 */
3445 #ifdef FEAT_MBYTE
3446 if (has_mbyte)
3447 {
3448 /* Remember class of character under cursor. */
3449 # if defined(FEAT_BEVAL)
3450 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3451 this_class = mb_get_class((char_u *)"a");
3452 else
3453 # endif
3454 this_class = mb_get_class(ptr + col);
3455 while (col > 0 && this_class != 0)
3456 {
3457 prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3458 prev_class = mb_get_class(ptr + prevcol);
3459 if (this_class != prev_class
3460 && (i == 0
3461 || prev_class == 0
3462 || (find_type & FIND_IDENT))
3463 # if defined(FEAT_BEVAL)
3464 && (!(find_type & FIND_EVAL)
3465 || prevcol == 0
3466 || !find_is_eval_item(ptr + prevcol, &prevcol,
3467 &bn, BACKWARD))
3468 # endif
3469 )
3470 break;
3471 col = prevcol;
3472 }
3473
3474 /* If we don't want just any old string, or we've found an
3475 * identifier, stop searching. */
3476 if (this_class > 2)
3477 this_class = 2;
3478 if (!(find_type & FIND_STRING) || this_class == 2)
3479 break;
3480 }
3481 else
3482 #endif
3483 {
3484 while (col > 0
3485 && ((i == 0
3486 ? vim_iswordc(ptr[col - 1])
3487 : (!vim_iswhite(ptr[col - 1])
3488 && (!(find_type & FIND_IDENT)
3489 || !vim_iswordc(ptr[col - 1]))))
3490 #if defined(FEAT_BEVAL)
3491 || ((find_type & FIND_EVAL)
3492 && col > 1
3493 && find_is_eval_item(ptr + col - 1, &col,
3494 &bn, BACKWARD))
3495 #endif
3496 ))
3497 --col;
3498
3499 /* If we don't want just any old string, or we've found an
3500 * identifier, stop searching. */
3501 if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3502 break;
3503 }
3504 }
3505
3506 if (ptr[col] == NUL || (i == 0 && (
3507 #ifdef FEAT_MBYTE
3508 has_mbyte ? this_class != 2 :
3509 #endif
3510 !vim_iswordc(ptr[col]))))
3511 {
3512 /*
3513 * didn't find an identifier or string
3514 */
3515 if (find_type & FIND_STRING)
3516 EMSG(_("E348: No string under cursor"));
3517 else
3518 EMSG(_(e_noident));
3519 return 0;
3520 }
3521 ptr += col;
3522 *string = ptr;
3523
3524 /*
3525 * 3. Find the end if the identifier/string.
3526 */
3527 #if defined(FEAT_BEVAL)
3528 bn = 0;
3529 startcol -= col;
3530 #endif
3531 col = 0;
3532 #ifdef FEAT_MBYTE
3533 if (has_mbyte)
3534 {
3535 /* Search for point of changing multibyte character class. */
3536 this_class = mb_get_class(ptr);
3537 while (ptr[col] != NUL
3538 && ((i == 0 ? mb_get_class(ptr + col) == this_class
3539 : mb_get_class(ptr + col) != 0)
3540 # if defined(FEAT_BEVAL)
3541 || ((find_type & FIND_EVAL)
3542 && col <= (int)startcol
3543 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3544 # endif
3545 ))
3546 col += (*mb_ptr2len)(ptr + col);
3547 }
3548 else
3549 #endif
3550 while ((i == 0 ? vim_iswordc(ptr[col])
3551 : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3552 # if defined(FEAT_BEVAL)
3553 || ((find_type & FIND_EVAL)
3554 && col <= (int)startcol
3555 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3556 # endif
3557 )
3558 {
3559 ++col;
3560 }
3561
3562 return col;
3563 }
3564
3565 /*
3566 * Prepare for redo of a normal command.
3567 */
3568 static void
3569 prep_redo_cmd(cap)
3570 cmdarg_T *cap;
3571 {
3572 prep_redo(cap->oap->regname, cap->count0,
3573 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3574 }
3575
3576 /*
3577 * Prepare for redo of any command.
3578 * Note that only the last argument can be a multi-byte char.
3579 */
3580 static void
3581 prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3582 int regname;
3583 long num;
3584 int cmd1;
3585 int cmd2;
3586 int cmd3;
3587 int cmd4;
3588 int cmd5;
3589 {
3590 ResetRedobuff();
3591 if (regname != 0) /* yank from specified buffer */
3592 {
3593 AppendCharToRedobuff('"');
3594 AppendCharToRedobuff(regname);
3595 }
3596 if (num)
3597 AppendNumberToRedobuff(num);
3598
3599 if (cmd1 != NUL)
3600 AppendCharToRedobuff(cmd1);
3601 if (cmd2 != NUL)
3602 AppendCharToRedobuff(cmd2);
3603 if (cmd3 != NUL)
3604 AppendCharToRedobuff(cmd3);
3605 if (cmd4 != NUL)
3606 AppendCharToRedobuff(cmd4);
3607 if (cmd5 != NUL)
3608 AppendCharToRedobuff(cmd5);
3609 }
3610
3611 /*
3612 * check for operator active and clear it
3613 *
3614 * return TRUE if operator was active
3615 */
3616 static int
3617 checkclearop(oap)
3618 oparg_T *oap;
3619 {
3620 if (oap->op_type == OP_NOP)
3621 return FALSE;
3622 clearopbeep(oap);
3623 return TRUE;
3624 }
3625
3626 /*
3627 * Check for operator or Visual active. Clear active operator.
3628 *
3629 * Return TRUE if operator or Visual was active.
3630 */
3631 static int
3632 checkclearopq(oap)
3633 oparg_T *oap;
3634 {
3635 if (oap->op_type == OP_NOP
3636 #ifdef FEAT_VISUAL
3637 && !VIsual_active
3638 #endif
3639 )
3640 return FALSE;
3641 clearopbeep(oap);
3642 return TRUE;
3643 }
3644
3645 static void
3646 clearop(oap)
3647 oparg_T *oap;
3648 {
3649 oap->op_type = OP_NOP;
3650 oap->regname = 0;
3651 oap->motion_force = NUL;
3652 oap->use_reg_one = FALSE;
3653 }
3654
3655 static void
3656 clearopbeep(oap)
3657 oparg_T *oap;
3658 {
3659 clearop(oap);
3660 beep_flush();
3661 }
3662
3663 #ifdef FEAT_VISUAL
3664 /*
3665 * Remove the shift modifier from a special key.
3666 */
3667 static void
3668 unshift_special(cap)
3669 cmdarg_T *cap;
3670 {
3671 switch (cap->cmdchar)
3672 {
3673 case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
3674 case K_S_LEFT: cap->cmdchar = K_LEFT; break;
3675 case K_S_UP: cap->cmdchar = K_UP; break;
3676 case K_S_DOWN: cap->cmdchar = K_DOWN; break;
3677 case K_S_HOME: cap->cmdchar = K_HOME; break;
3678 case K_S_END: cap->cmdchar = K_END; break;
3679 }
3680 cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3681 }
3682 #endif
3683
3684 #if defined(FEAT_CMDL_INFO) || defined(PROTO)
3685 /*
3686 * Routines for displaying a partly typed command
3687 */
3688
3689 #ifdef FEAT_VISUAL /* need room for size of Visual area */
3690 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3691 #else
3692 # define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3693 #endif
3694 static char_u showcmd_buf[SHOWCMD_BUFLEN];
3695 static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
3696 static int showcmd_is_clear = TRUE;
3697 static int showcmd_visual = FALSE;
3698
3699 static void display_showcmd __ARGS((void));
3700
3701 void
3702 clear_showcmd()
3703 {
3704 if (!p_sc)
3705 return;
3706
3707 #ifdef FEAT_VISUAL
3708 if (VIsual_active && !char_avail())
3709 {
3710 int cursor_bot = lt(VIsual, curwin->w_cursor);
3711 long lines;
3712 colnr_T leftcol, rightcol;
3713 linenr_T top, bot;
3714
3715 /* Show the size of the Visual area. */
3716 if (cursor_bot)
3717 {
3718 top = VIsual.lnum;
3719 bot = curwin->w_cursor.lnum;
3720 }
3721 else
3722 {
3723 top = curwin->w_cursor.lnum;
3724 bot = VIsual.lnum;
3725 }
3726 # ifdef FEAT_FOLDING
3727 /* Include closed folds as a whole. */
3728 hasFolding(top, &top, NULL);
3729 hasFolding(bot, NULL, &bot);
3730 # endif
3731 lines = bot - top + 1;
3732
3733 if (VIsual_mode == Ctrl_V)
3734 {
3735 #ifdef FEAT_LINEBREAK
3736 char_u *saved_sbr = p_sbr;
3737
3738 /* Make 'sbr' empty for a moment to get the correct size. */
3739 p_sbr = empty_option;
3740 #endif
3741 getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3742 #ifdef FEAT_LINEBREAK
3743 p_sbr = saved_sbr;
3744 #endif
3745 sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3746 (long)(rightcol - leftcol + 1));
3747 }
3748 else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3749 sprintf((char *)showcmd_buf, "%ld", lines);
3750 else
3751 sprintf((char *)showcmd_buf, "%ld", (long)(cursor_bot
3752 ? curwin->w_cursor.col - VIsual.col
3753 : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3754 showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */
3755 showcmd_visual = TRUE;
3756 }
3757 else
3758 #endif
3759 {
3760 showcmd_buf[0] = NUL;
3761 showcmd_visual = FALSE;
3762
3763 /* Don't actually display something if there is nothing to clear. */
3764 if (showcmd_is_clear)
3765 return;
3766 }
3767
3768 display_showcmd();
3769 }
3770
3771 /*
3772 * Add 'c' to string of shown command chars.
3773 * Return TRUE if output has been written (and setcursor() has been called).
3774 */
3775 int
3776 add_to_showcmd(c)
3777 int c;
3778 {
3779 char_u *p;
3780 int old_len;
3781 int extra_len;
3782 int overflow;
3783 #if defined(FEAT_MOUSE)
3784 int i;
3785 static int ignore[] =
3786 {
3787 # ifdef FEAT_GUI
3788 K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3789 K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3790 # endif
3791 K_IGNORE,
3792 K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3793 K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3794 K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3795 K_MOUSEDOWN, K_MOUSEUP,
3796 K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3797 K_CURSORHOLD,
3798 0
3799 };
3800 #endif
3801
3802 if (!p_sc || msg_silent != 0)
3803 return FALSE;
3804
3805 if (showcmd_visual)
3806 {
3807 showcmd_buf[0] = NUL;
3808 showcmd_visual = FALSE;
3809 }
3810
3811 #if defined(FEAT_MOUSE)
3812 /* Ignore keys that are scrollbar updates and mouse clicks */
3813 if (IS_SPECIAL(c))
3814 for (i = 0; ignore[i] != 0; ++i)
3815 if (ignore[i] == c)
3816 return FALSE;
3817 #endif
3818
3819 p = transchar(c);
3820 old_len = (int)STRLEN(showcmd_buf);
3821 extra_len = (int)STRLEN(p);
3822 overflow = old_len + extra_len - SHOWCMD_COLS;
3823 if (overflow > 0)
3824 mch_memmove(showcmd_buf, showcmd_buf + overflow,
3825 old_len - overflow + 1);
3826 STRCAT(showcmd_buf, p);
3827
3828 if (char_avail())
3829 return FALSE;
3830
3831 display_showcmd();
3832
3833 return TRUE;
3834 }
3835
3836 void
3837 add_to_showcmd_c(c)
3838 int c;
3839 {
3840 if (!add_to_showcmd(c))
3841 setcursor();
3842 }
3843
3844 /*
3845 * Delete 'len' characters from the end of the shown command.
3846 */
3847 static void
3848 del_from_showcmd(len)
3849 int len;
3850 {
3851 int old_len;
3852
3853 if (!p_sc)
3854 return;
3855
3856 old_len = (int)STRLEN(showcmd_buf);
3857 if (len > old_len)
3858 len = old_len;
3859 showcmd_buf[old_len - len] = NUL;
3860
3861 if (!char_avail())
3862 display_showcmd();
3863 }
3864
3865 /*
3866 * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3867 * something and there is a partial mapping.
3868 */
3869 void
3870 push_showcmd()
3871 {
3872 if (p_sc)
3873 STRCPY(old_showcmd_buf, showcmd_buf);
3874 }
3875
3876 void
3877 pop_showcmd()
3878 {
3879 if (!p_sc)
3880 return;
3881
3882 STRCPY(showcmd_buf, old_showcmd_buf);
3883
3884 display_showcmd();
3885 }
3886
3887 static void
3888 display_showcmd()
3889 {
3890 int len;
3891
3892 cursor_off();
3893
3894 len = (int)STRLEN(showcmd_buf);
3895 if (len == 0)
3896 showcmd_is_clear = TRUE;
3897 else
3898 {
3899 screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3900 showcmd_is_clear = FALSE;
3901 }
3902
3903 /*
3904 * clear the rest of an old message by outputting up to SHOWCMD_COLS
3905 * spaces
3906 */
3907 screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0);
3908
3909 setcursor(); /* put cursor back where it belongs */
3910 }
3911 #endif
3912
3913 #ifdef FEAT_SCROLLBIND
3914 /*
3915 * When "check" is FALSE, prepare for commands that scroll the window.
3916 * When "check" is TRUE, take care of scroll-binding after the window has
3917 * scrolled. Called from normal_cmd() and edit().
3918 */
3919 void
3920 do_check_scrollbind(check)
3921 int check;
3922 {
3923 static win_T *old_curwin = NULL;
3924 static linenr_T old_topline = 0;
3925 #ifdef FEAT_DIFF
3926 static int old_topfill = 0;
3927 #endif
3928 static buf_T *old_buf = NULL;
3929 static colnr_T old_leftcol = 0;
3930
3931 if (check && curwin->w_p_scb)
3932 {
3933 /* If a ":syncbind" command was just used, don't scroll, only reset
3934 * the values. */
3935 if (did_syncbind)
3936 did_syncbind = FALSE;
3937 else if (curwin == old_curwin)
3938 {
3939 /*
3940 * Synchronize other windows, as necessary according to
3941 * 'scrollbind'. Don't do this after an ":edit" command, except
3942 * when 'diff' is set.
3943 */
3944 if ((curwin->w_buffer == old_buf
3945 #ifdef FEAT_DIFF
3946 || curwin->w_p_diff
3947 #endif
3948 )
3949 && (curwin->w_topline != old_topline
3950 #ifdef FEAT_DIFF
3951 || curwin->w_topfill != old_topfill
3952 #endif
3953 || curwin->w_leftcol != old_leftcol))
3954 {
3955 check_scrollbind(curwin->w_topline - old_topline,
3956 (long)(curwin->w_leftcol - old_leftcol));
3957 }
3958 }
3959 else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3960 {
3961 /*
3962 * When switching between windows, make sure that the relative
3963 * vertical offset is valid for the new window. The relative
3964 * offset is invalid whenever another 'scrollbind' window has
3965 * scrolled to a point that would force the current window to
3966 * scroll past the beginning or end of its buffer. When the
3967 * resync is performed, some of the other 'scrollbind' windows may
3968 * need to jump so that the current window's relative position is
3969 * visible on-screen.
3970 */
3971 check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3972 }
3973 curwin->w_scbind_pos = curwin->w_topline;
3974 }
3975
3976 old_curwin = curwin;
3977 old_topline = curwin->w_topline;
3978 #ifdef FEAT_DIFF
3979 old_topfill = curwin->w_topfill;
3980 #endif
3981 old_buf = curwin->w_buffer;
3982 old_leftcol = curwin->w_leftcol;
3983 }
3984
3985 /*
3986 * Synchronize any windows that have "scrollbind" set, based on the
3987 * number of rows by which the current window has changed
3988 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
3989 */
3990 void
3991 check_scrollbind(topline_diff, leftcol_diff)
3992 linenr_T topline_diff;
3993 long leftcol_diff;
3994 {
3995 int want_ver;
3996 int want_hor;
3997 win_T *old_curwin = curwin;
3998 buf_T *old_curbuf = curbuf;
3999 #ifdef FEAT_VISUAL
4000 int old_VIsual_select = VIsual_select;
4001 int old_VIsual_active = VIsual_active;
4002 #endif
4003 colnr_T tgt_leftcol = curwin->w_leftcol;
4004 long topline;
4005 long y;
4006
4007 /*
4008 * check 'scrollopt' string for vertical and horizontal scroll options
4009 */
4010 want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
4011 #ifdef FEAT_DIFF
4012 want_ver |= old_curwin->w_p_diff;
4013 #endif
4014 want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
4015
4016 /*
4017 * loop through the scrollbound windows and scroll accordingly
4018 */
4019 #ifdef FEAT_VISUAL
4020 VIsual_select = VIsual_active = 0;
4021 #endif
4022 for (curwin = firstwin; curwin; curwin = curwin->w_next)
4023 {
4024 curbuf = curwin->w_buffer;
4025 /* skip original window and windows with 'noscrollbind' */
4026 if (curwin != old_curwin && curwin->w_p_scb)
4027 {
4028 /*
4029 * do the vertical scroll
4030 */
4031 if (want_ver)
4032 {
4033 #ifdef FEAT_DIFF
4034 if (old_curwin->w_p_diff && curwin->w_p_diff)
4035 {
4036 diff_set_topline(old_curwin, curwin);
4037 }
4038 else
4039 #endif
4040 {
4041 curwin->w_scbind_pos += topline_diff;
4042 topline = curwin->w_scbind_pos;
4043 if (topline > curbuf->b_ml.ml_line_count)
4044 topline = curbuf->b_ml.ml_line_count;
4045 if (topline < 1)
4046 topline = 1;
4047
4048 y = topline - curwin->w_topline;
4049 if (y > 0)
4050 scrollup(y, FALSE);
4051 else
4052 scrolldown(-y, FALSE);
4053 }
4054
4055 redraw_later(VALID);
4056 cursor_correct();
4057 #ifdef FEAT_WINDOWS
4058 curwin->w_redr_status = TRUE;
4059 #endif
4060 }
4061
4062 /*
4063 * do the horizontal scroll
4064 */
4065 if (want_hor && curwin->w_leftcol != tgt_leftcol)
4066 {
4067 curwin->w_leftcol = tgt_leftcol;
4068 leftcol_changed();
4069 }
4070 }
4071 }
4072
4073 /*
4074 * reset current-window
4075 */
4076 #ifdef FEAT_VISUAL
4077 VIsual_select = old_VIsual_select;
4078 VIsual_active = old_VIsual_active;
4079 #endif
4080 curwin = old_curwin;
4081 curbuf = old_curbuf;
4082 }
4083 #endif /* #ifdef FEAT_SCROLLBIND */
4084
4085 /*
4086 * Command character that's ignored.
4087 * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
4088 * xon/xoff
4089 */
4090 static void
4091 nv_ignore(cap)
4092 cmdarg_T *cap;
4093 {
4094 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
4095 }
4096
4097 /*
4098 * Command character that doesn't do anything, but unlike nv_ignore() does
4099 * start edit(). Used for "startinsert" executed while starting up.
4100 */
4101 static void
4102 nv_nop(cap)
4103 cmdarg_T *cap UNUSED;
4104 {
4105 }
4106
4107 /*
4108 * Command character doesn't exist.
4109 */
4110 static void
4111 nv_error(cap)
4112 cmdarg_T *cap;
4113 {
4114 clearopbeep(cap->oap);
4115 }
4116
4117 /*
4118 * <Help> and <F1> commands.
4119 */
4120 static void
4121 nv_help(cap)
4122 cmdarg_T *cap;
4123 {
4124 if (!checkclearopq(cap->oap))
4125 ex_help(NULL);
4126 }
4127
4128 /*
4129 * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
4130 */
4131 static void
4132 nv_addsub(cap)
4133 cmdarg_T *cap;
4134 {
4135 if (!checkclearopq(cap->oap)
4136 && do_addsub((int)cap->cmdchar, cap->count1) == OK)
4137 prep_redo_cmd(cap);
4138 }
4139
4140 /*
4141 * CTRL-F, CTRL-B, etc: Scroll page up or down.
4142 */
4143 static void
4144 nv_page(cap)
4145 cmdarg_T *cap;
4146 {
4147 if (!checkclearop(cap->oap))
4148 {
4149 #ifdef FEAT_WINDOWS
4150 if (mod_mask & MOD_MASK_CTRL)
4151 {
4152 /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */
4153 if (cap->arg == BACKWARD)
4154 goto_tabpage(-(int)cap->count1);
4155 else
4156 goto_tabpage((int)cap->count0);
4157 }
4158 else
4159 #endif
4160 (void)onepage(cap->arg, cap->count1);
4161 }
4162 }
4163
4164 /*
4165 * Implementation of "gd" and "gD" command.
4166 */
4167 static void
4168 nv_gd(oap, nchar, thisblock)
4169 oparg_T *oap;
4170 int nchar;
4171 int thisblock; /* 1 for "1gd" and "1gD" */
4172 {
4173 int len;
4174 char_u *ptr;
4175
4176 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
4177 || find_decl(ptr, len, nchar == 'd', thisblock, 0) == FAIL)
4178 clearopbeep(oap);
4179 #ifdef FEAT_FOLDING
4180 else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
4181 foldOpenCursor();
4182 #endif
4183 }
4184
4185 /*
4186 * Search for variable declaration of "ptr[len]".
4187 * When "locally" is TRUE in the current function ("gd"), otherwise in the
4188 * current file ("gD").
4189 * When "thisblock" is TRUE check the {} block scope.
4190 * Return FAIL when not found.
4191 */
4192 int
4193 find_decl(ptr, len, locally, thisblock, searchflags)
4194 char_u *ptr;
4195 int len;
4196 int locally;
4197 int thisblock;
4198 int searchflags; /* flags passed to searchit() */
4199 {
4200 char_u *pat;
4201 pos_T old_pos;
4202 pos_T par_pos;
4203 pos_T found_pos;
4204 int t;
4205 int save_p_ws;
4206 int save_p_scs;
4207 int retval = OK;
4208 int incll;
4209
4210 if ((pat = alloc(len + 7)) == NULL)
4211 return FAIL;
4212
4213 /* Put "\V" before the pattern to avoid that the special meaning of "."
4214 * and "~" causes trouble. */
4215 sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
4216 len, ptr);
4217 old_pos = curwin->w_cursor;
4218 save_p_ws = p_ws;
4219 save_p_scs = p_scs;
4220 p_ws = FALSE; /* don't wrap around end of file now */
4221 p_scs = FALSE; /* don't switch ignorecase off now */
4222
4223 /*
4224 * With "gD" go to line 1.
4225 * With "gd" Search back for the start of the current function, then go
4226 * back until a blank line. If this fails go to line 1.
4227 */
4228 if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
4229 {
4230 setpcmark(); /* Set in findpar() otherwise */
4231 curwin->w_cursor.lnum = 1;
4232 par_pos = curwin->w_cursor;
4233 }
4234 else
4235 {
4236 par_pos = curwin->w_cursor;
4237 while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
4238 --curwin->w_cursor.lnum;
4239 }
4240 curwin->w_cursor.col = 0;
4241
4242 /* Search forward for the identifier, ignore comment lines. */
4243 clearpos(&found_pos);
4244 for (;;)
4245 {
4246 t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
4247 pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL);
4248 if (curwin->w_cursor.lnum >= old_pos.lnum)
4249 t = FAIL; /* match after start is failure too */
4250
4251 if (thisblock && t != FAIL)
4252 {
4253 pos_T *pos;
4254
4255 /* Check that the block the match is in doesn't end before the
4256 * position where we started the search from. */
4257 if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
4258 (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
4259 && pos->lnum < old_pos.lnum)
4260 continue;
4261 }
4262
4263 if (t == FAIL)
4264 {
4265 /* If we previously found a valid position, use it. */
4266 if (found_pos.lnum != 0)
4267 {
4268 curwin->w_cursor = found_pos;
4269 t = OK;
4270 }
4271 break;
4272 }
4273 #ifdef FEAT_COMMENTS
4274 if (get_leader_len(ml_get_curline(), NULL, FALSE) > 0)
4275 {
4276 /* Ignore this line, continue at start of next line. */
4277 ++curwin->w_cursor.lnum;
4278 curwin->w_cursor.col = 0;
4279 continue;
4280 }
4281 #endif
4282 if (!locally) /* global search: use first match found */
4283 break;
4284 if (curwin->w_cursor.lnum >= par_pos.lnum)
4285 {
4286 /* If we previously found a valid position, use it. */
4287 if (found_pos.lnum != 0)
4288 curwin->w_cursor = found_pos;
4289 break;
4290 }
4291
4292 /* For finding a local variable and the match is before the "{" search
4293 * to find a later match. For K&R style function declarations this
4294 * skips the function header without types. */
4295 found_pos = curwin->w_cursor;
4296 }
4297
4298 if (t == FAIL)
4299 {
4300 retval = FAIL;
4301 curwin->w_cursor = old_pos;
4302 }
4303 else
4304 {
4305 curwin->w_set_curswant = TRUE;
4306 /* "n" searches forward now */
4307 reset_search_dir();
4308 }
4309
4310 vim_free(pat);
4311 p_ws = save_p_ws;
4312 p_scs = save_p_scs;
4313
4314 return retval;
4315 }
4316
4317 /*
4318 * Move 'dist' lines in direction 'dir', counting lines by *screen*
4319 * lines rather than lines in the file.
4320 * 'dist' must be positive.
4321 *
4322 * Return OK if able to move cursor, FAIL otherwise.
4323 */
4324 static int
4325 nv_screengo(oap, dir, dist)
4326 oparg_T *oap;
4327 int dir;
4328 long dist;
4329 {
4330 int linelen = linetabsize(ml_get_curline());
4331 int retval = OK;
4332 int atend = FALSE;
4333 int n;
4334 int col_off1; /* margin offset for first screen line */
4335 int col_off2; /* margin offset for wrapped screen line */
4336 int width1; /* text width for first screen line */
4337 int width2; /* test width for wrapped screen line */
4338
4339 oap->motion_type = MCHAR;
4340 oap->inclusive = FALSE;
4341
4342 col_off1 = curwin_col_off();
4343 col_off2 = col_off1 - curwin_col_off2();
4344 width1 = W_WIDTH(curwin) - col_off1;
4345 width2 = W_WIDTH(curwin) - col_off2;
4346
4347 #ifdef FEAT_VERTSPLIT
4348 if (curwin->w_width != 0)
4349 {
4350 #endif
4351 /*
4352 * Instead of sticking at the last character of the buffer line we
4353 * try to stick in the last column of the screen.
4354 */
4355 if (curwin->w_curswant == MAXCOL)
4356 {
4357 atend = TRUE;
4358 validate_virtcol();
4359 if (width1 <= 0)
4360 curwin->w_curswant = 0;
4361 else
4362 {
4363 curwin->w_curswant = width1 - 1;
4364 if (curwin->w_virtcol > curwin->w_curswant)
4365 curwin->w_curswant += ((curwin->w_virtcol
4366 - curwin->w_curswant - 1) / width2 + 1) * width2;
4367 }
4368 }
4369 else
4370 {
4371 if (linelen > width1)
4372 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4373 else
4374 n = width1;
4375 if (curwin->w_curswant > (colnr_T)n + 1)
4376 curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4377 * width2;
4378 }
4379
4380 while (dist--)
4381 {
4382 if (dir == BACKWARD)
4383 {
4384 if ((long)curwin->w_curswant >= width2)
4385 /* move back within line */
4386 curwin->w_curswant -= width2;
4387 else
4388 {
4389 /* to previous line */
4390 if (curwin->w_cursor.lnum == 1)
4391 {
4392 retval = FAIL;
4393 break;
4394 }
4395 --curwin->w_cursor.lnum;
4396 #ifdef FEAT_FOLDING
4397 /* Move to the start of a closed fold. Don't do that when
4398 * 'foldopen' contains "all": it will open in a moment. */
4399 if (!(fdo_flags & FDO_ALL))
4400 (void)hasFolding(curwin->w_cursor.lnum,
4401 &curwin->w_cursor.lnum, NULL);
4402 #endif
4403 linelen = linetabsize(ml_get_curline());
4404 if (linelen > width1)
4405 curwin->w_curswant += (((linelen - width1 - 1) / width2)
4406 + 1) * width2;
4407 }
4408 }
4409 else /* dir == FORWARD */
4410 {
4411 if (linelen > width1)
4412 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4413 else
4414 n = width1;
4415 if (curwin->w_curswant + width2 < (colnr_T)n)
4416 /* move forward within line */
4417 curwin->w_curswant += width2;
4418 else
4419 {
4420 /* to next line */
4421 #ifdef FEAT_FOLDING
4422 /* Move to the end of a closed fold. */
4423 (void)hasFolding(curwin->w_cursor.lnum, NULL,
4424 &curwin->w_cursor.lnum);
4425 #endif
4426 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4427 {
4428 retval = FAIL;
4429 break;
4430 }
4431 curwin->w_cursor.lnum++;
4432 curwin->w_curswant %= width2;
4433 }
4434 }
4435 }
4436 #ifdef FEAT_VERTSPLIT
4437 }
4438 #endif
4439
4440 coladvance(curwin->w_curswant);
4441
4442 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4443 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4444 {
4445 /*
4446 * Check for landing on a character that got split at the end of the
4447 * last line. We want to advance a screenline, not end up in the same
4448 * screenline or move two screenlines.
4449 */
4450 validate_virtcol();
4451 if (curwin->w_virtcol > curwin->w_curswant
4452 && (curwin->w_curswant < (colnr_T)width1
4453 ? (curwin->w_curswant > (colnr_T)width1 / 2)
4454 : ((curwin->w_curswant - width1) % width2
4455 > (colnr_T)width2 / 2)))
4456 --curwin->w_cursor.col;
4457 }
4458 #endif
4459
4460 if (atend)
4461 curwin->w_curswant = MAXCOL; /* stick in the last column */
4462
4463 return retval;
4464 }
4465
4466 #ifdef FEAT_MOUSE
4467 /*
4468 * Mouse scroll wheel: Default action is to scroll three lines, or one page
4469 * when Shift or Ctrl is used.
4470 * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4471 */
4472 static void
4473 nv_mousescroll(cap)
4474 cmdarg_T *cap;
4475 {
4476 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4477 win_T *old_curwin = curwin;
4478
4479 /* Currently we only get the mouse coordinates in the GUI. */
4480 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4481 {
4482 int row, col;
4483
4484 row = mouse_row;
4485 col = mouse_col;
4486
4487 /* find the window at the pointer coordinates */
4488 curwin = mouse_find_win(&row, &col);
4489 curbuf = curwin->w_buffer;
4490 }
4491 # endif
4492
4493 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4494 {
4495 (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4496 }
4497 else
4498 {
4499 cap->count1 = 3;
4500 cap->count0 = 3;
4501 nv_scroll_line(cap);
4502 }
4503
4504 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4505 curwin->w_redr_status = TRUE;
4506
4507 curwin = old_curwin;
4508 curbuf = curwin->w_buffer;
4509 # endif
4510 }
4511
4512 /*
4513 * Mouse clicks and drags.
4514 */
4515 static void
4516 nv_mouse(cap)
4517 cmdarg_T *cap;
4518 {
4519 (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4520 }
4521 #endif
4522
4523 /*
4524 * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4525 * cap->arg must be TRUE for CTRL-E.
4526 */
4527 static void
4528 nv_scroll_line(cap)
4529 cmdarg_T *cap;
4530 {
4531 if (!checkclearop(cap->oap))
4532 scroll_redraw(cap->arg, cap->count1);
4533 }
4534
4535 /*
4536 * Scroll "count" lines up or down, and redraw.
4537 */
4538 void
4539 scroll_redraw(up, count)
4540 int up;
4541 long count;
4542 {
4543 linenr_T prev_topline = curwin->w_topline;
4544 #ifdef FEAT_DIFF
4545 int prev_topfill = curwin->w_topfill;
4546 #endif
4547 linenr_T prev_lnum = curwin->w_cursor.lnum;
4548
4549 if (up)
4550 scrollup(count, TRUE);
4551 else
4552 scrolldown(count, TRUE);
4553 if (p_so)
4554 {
4555 /* Adjust the cursor position for 'scrolloff'. Mark w_topline as
4556 * valid, otherwise the screen jumps back at the end of the file. */
4557 cursor_correct();
4558 check_cursor_moved(curwin);
4559 curwin->w_valid |= VALID_TOPLINE;
4560
4561 /* If moved back to where we were, at least move the cursor, otherwise
4562 * we get stuck at one position. Don't move the cursor up if the
4563 * first line of the buffer is already on the screen */
4564 while (curwin->w_topline == prev_topline
4565 #ifdef FEAT_DIFF
4566 && curwin->w_topfill == prev_topfill
4567 #endif
4568 )
4569 {
4570 if (up)
4571 {
4572 if (curwin->w_cursor.lnum > prev_lnum
4573 || cursor_down(1L, FALSE) == FAIL)
4574 break;
4575 }
4576 else
4577 {
4578 if (curwin->w_cursor.lnum < prev_lnum
4579 || prev_topline == 1L
4580 || cursor_up(1L, FALSE) == FAIL)
4581 break;
4582 }
4583 /* Mark w_topline as valid, otherwise the screen jumps back at the
4584 * end of the file. */
4585 check_cursor_moved(curwin);
4586 curwin->w_valid |= VALID_TOPLINE;
4587 }
4588 }
4589 if (curwin->w_cursor.lnum != prev_lnum)
4590 coladvance(curwin->w_curswant);
4591 redraw_later(VALID);
4592 }
4593
4594 /*
4595 * Commands that start with "z".
4596 */
4597 static void
4598 nv_zet(cap)
4599 cmdarg_T *cap;
4600 {
4601 long n;
4602 colnr_T col;
4603 int nchar = cap->nchar;
4604 #ifdef FEAT_FOLDING
4605 long old_fdl = curwin->w_p_fdl;
4606 int old_fen = curwin->w_p_fen;
4607 #endif
4608 #ifdef FEAT_SPELL
4609 int undo = FALSE;
4610 #endif
4611
4612 if (VIM_ISDIGIT(nchar))
4613 {
4614 /*
4615 * "z123{nchar}": edit the count before obtaining {nchar}
4616 */
4617 if (checkclearop(cap->oap))
4618 return;
4619 n = nchar - '0';
4620 for (;;)
4621 {
4622 #ifdef USE_ON_FLY_SCROLL
4623 dont_scroll = TRUE; /* disallow scrolling here */
4624 #endif
4625 ++no_mapping;
4626 ++allow_keys; /* no mapping for nchar, but allow key codes */
4627 nchar = plain_vgetc();
4628 LANGMAP_ADJUST(nchar, TRUE);
4629 --no_mapping;
4630 --allow_keys;
4631 #ifdef FEAT_CMDL_INFO
4632 (void)add_to_showcmd(nchar);
4633 #endif
4634 if (nchar == K_DEL || nchar == K_KDEL)
4635 n /= 10;
4636 else if (VIM_ISDIGIT(nchar))
4637 n = n * 10 + (nchar - '0');
4638 else if (nchar == CAR)
4639 {
4640 #ifdef FEAT_GUI
4641 need_mouse_correct = TRUE;
4642 #endif
4643 win_setheight((int)n);
4644 break;
4645 }
4646 else if (nchar == 'l'
4647 || nchar == 'h'
4648 || nchar == K_LEFT
4649 || nchar == K_RIGHT)
4650 {
4651 cap->count1 = n ? n * cap->count1 : cap->count1;
4652 goto dozet;
4653 }
4654 else
4655 {
4656 clearopbeep(cap->oap);
4657 break;
4658 }
4659 }
4660 cap->oap->op_type = OP_NOP;
4661 return;
4662 }
4663
4664 dozet:
4665 if (
4666 #ifdef FEAT_FOLDING
4667 /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4668 * and "zC" only in Visual mode. "zj" and "zk" are motion
4669 * commands. */
4670 cap->nchar != 'f' && cap->nchar != 'F'
4671 && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4672 && cap->nchar != 'j' && cap->nchar != 'k'
4673 &&
4674 #endif
4675 checkclearop(cap->oap))
4676 return;
4677
4678 /*
4679 * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4680 * If line number given, set cursor.
4681 */
4682 if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4683 && cap->count0
4684 && cap->count0 != curwin->w_cursor.lnum)
4685 {
4686 setpcmark();
4687 if (cap->count0 > curbuf->b_ml.ml_line_count)
4688 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4689 else
4690 curwin->w_cursor.lnum = cap->count0;
4691 check_cursor_col();
4692 }
4693
4694 switch (nchar)
4695 {
4696 /* "z+", "z<CR>" and "zt": put cursor at top of screen */
4697 case '+':
4698 if (cap->count0 == 0)
4699 {
4700 /* No count given: put cursor at the line below screen */
4701 validate_botline(); /* make sure w_botline is valid */
4702 if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4703 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4704 else
4705 curwin->w_cursor.lnum = curwin->w_botline;
4706 }
4707 /* FALLTHROUGH */
4708 case NL:
4709 case CAR:
4710 case K_KENTER:
4711 beginline(BL_WHITE | BL_FIX);
4712 /* FALLTHROUGH */
4713
4714 case 't': scroll_cursor_top(0, TRUE);
4715 redraw_later(VALID);
4716 break;
4717
4718 /* "z." and "zz": put cursor in middle of screen */
4719 case '.': beginline(BL_WHITE | BL_FIX);
4720 /* FALLTHROUGH */
4721
4722 case 'z': scroll_cursor_halfway(TRUE);
4723 redraw_later(VALID);
4724 break;
4725
4726 /* "z^", "z-" and "zb": put cursor at bottom of screen */
4727 case '^': /* Strange Vi behavior: <count>z^ finds line at top of window
4728 * when <count> is at bottom of window, and puts that one at
4729 * bottom of window. */
4730 if (cap->count0 != 0)
4731 {
4732 scroll_cursor_bot(0, TRUE);
4733 curwin->w_cursor.lnum = curwin->w_topline;
4734 }
4735 else if (curwin->w_topline == 1)
4736 curwin->w_cursor.lnum = 1;
4737 else
4738 curwin->w_cursor.lnum = curwin->w_topline - 1;
4739 /* FALLTHROUGH */
4740 case '-':
4741 beginline(BL_WHITE | BL_FIX);
4742 /* FALLTHROUGH */
4743
4744 case 'b': scroll_cursor_bot(0, TRUE);
4745 redraw_later(VALID);
4746 break;
4747
4748 /* "zH" - scroll screen right half-page */
4749 case 'H':
4750 cap->count1 *= W_WIDTH(curwin) / 2;
4751 /* FALLTHROUGH */
4752
4753 /* "zh" - scroll screen to the right */
4754 case 'h':
4755 case K_LEFT:
4756 if (!curwin->w_p_wrap)
4757 {
4758 if ((colnr_T)cap->count1 > curwin->w_leftcol)
4759 curwin->w_leftcol = 0;
4760 else
4761 curwin->w_leftcol -= (colnr_T)cap->count1;
4762 leftcol_changed();
4763 }
4764 break;
4765
4766 /* "zL" - scroll screen left half-page */
4767 case 'L': cap->count1 *= W_WIDTH(curwin) / 2;
4768 /* FALLTHROUGH */
4769
4770 /* "zl" - scroll screen to the left */
4771 case 'l':
4772 case K_RIGHT:
4773 if (!curwin->w_p_wrap)
4774 {
4775 /* scroll the window left */
4776 curwin->w_leftcol += (colnr_T)cap->count1;
4777 leftcol_changed();
4778 }
4779 break;
4780
4781 /* "zs" - scroll screen, cursor at the start */
4782 case 's': if (!curwin->w_p_wrap)
4783 {
4784 #ifdef FEAT_FOLDING
4785 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4786 col = 0; /* like the cursor is in col 0 */
4787 else
4788 #endif
4789 getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4790 if ((long)col > p_siso)
4791 col -= p_siso;
4792 else
4793 col = 0;
4794 if (curwin->w_leftcol != col)
4795 {
4796 curwin->w_leftcol = col;
4797 redraw_later(NOT_VALID);
4798 }
4799 }
4800 break;
4801
4802 /* "ze" - scroll screen, cursor at the end */
4803 case 'e': if (!curwin->w_p_wrap)
4804 {
4805 #ifdef FEAT_FOLDING
4806 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4807 col = 0; /* like the cursor is in col 0 */
4808 else
4809 #endif
4810 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4811 n = W_WIDTH(curwin) - curwin_col_off();
4812 if ((long)col + p_siso < n)
4813 col = 0;
4814 else
4815 col = col + p_siso - n + 1;
4816 if (curwin->w_leftcol != col)
4817 {
4818 curwin->w_leftcol = col;
4819 redraw_later(NOT_VALID);
4820 }
4821 }
4822 break;
4823
4824 #ifdef FEAT_FOLDING
4825 /* "zF": create fold command */
4826 /* "zf": create fold operator */
4827 case 'F':
4828 case 'f': if (foldManualAllowed(TRUE))
4829 {
4830 cap->nchar = 'f';
4831 nv_operator(cap);
4832 curwin->w_p_fen = TRUE;
4833
4834 /* "zF" is like "zfzf" */
4835 if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4836 {
4837 nv_operator(cap);
4838 finish_op = TRUE;
4839 }
4840 }
4841 else
4842 clearopbeep(cap->oap);
4843 break;
4844
4845 /* "zd": delete fold at cursor */
4846 /* "zD": delete fold at cursor recursively */
4847 case 'd':
4848 case 'D': if (foldManualAllowed(FALSE))
4849 {
4850 if (VIsual_active)
4851 nv_operator(cap);
4852 else
4853 deleteFold(curwin->w_cursor.lnum,
4854 curwin->w_cursor.lnum, nchar == 'D', FALSE);
4855 }
4856 break;
4857
4858 /* "zE": erease all folds */
4859 case 'E': if (foldmethodIsManual(curwin))
4860 {
4861 clearFolding(curwin);
4862 changed_window_setting();
4863 }
4864 else if (foldmethodIsMarker(curwin))
4865 deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4866 TRUE, FALSE);
4867 else
4868 EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4869 break;
4870
4871 /* "zn": fold none: reset 'foldenable' */
4872 case 'n': curwin->w_p_fen = FALSE;
4873 break;
4874
4875 /* "zN": fold Normal: set 'foldenable' */
4876 case 'N': curwin->w_p_fen = TRUE;
4877 break;
4878
4879 /* "zi": invert folding: toggle 'foldenable' */
4880 case 'i': curwin->w_p_fen = !curwin->w_p_fen;
4881 break;
4882
4883 /* "za": open closed fold or close open fold at cursor */
4884 case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4885 openFold(curwin->w_cursor.lnum, cap->count1);
4886 else
4887 {
4888 closeFold(curwin->w_cursor.lnum, cap->count1);
4889 curwin->w_p_fen = TRUE;
4890 }
4891 break;
4892
4893 /* "zA": open fold at cursor recursively */
4894 case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4895 openFoldRecurse(curwin->w_cursor.lnum);
4896 else
4897 {
4898 closeFoldRecurse(curwin->w_cursor.lnum);
4899 curwin->w_p_fen = TRUE;
4900 }
4901 break;
4902
4903 /* "zo": open fold at cursor or Visual area */
4904 case 'o': if (VIsual_active)
4905 nv_operator(cap);
4906 else
4907 openFold(curwin->w_cursor.lnum, cap->count1);
4908 break;
4909
4910 /* "zO": open fold recursively */
4911 case 'O': if (VIsual_active)
4912 nv_operator(cap);
4913 else
4914 openFoldRecurse(curwin->w_cursor.lnum);
4915 break;
4916
4917 /* "zc": close fold at cursor or Visual area */
4918 case 'c': if (VIsual_active)
4919 nv_operator(cap);
4920 else
4921 closeFold(curwin->w_cursor.lnum, cap->count1);
4922 curwin->w_p_fen = TRUE;
4923 break;
4924
4925 /* "zC": close fold recursively */
4926 case 'C': if (VIsual_active)
4927 nv_operator(cap);
4928 else
4929 closeFoldRecurse(curwin->w_cursor.lnum);
4930 curwin->w_p_fen = TRUE;
4931 break;
4932
4933 /* "zv": open folds at the cursor */
4934 case 'v': foldOpenCursor();
4935 break;
4936
4937 /* "zx": re-apply 'foldlevel' and open folds at the cursor */
4938 case 'x': curwin->w_p_fen = TRUE;
4939 newFoldLevel(); /* update right now */
4940 foldOpenCursor();
4941 break;
4942
4943 /* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4944 case 'X': curwin->w_p_fen = TRUE;
4945 old_fdl = -1; /* force an update */
4946 break;
4947
4948 /* "zm": fold more */
4949 case 'm': if (curwin->w_p_fdl > 0)
4950 --curwin->w_p_fdl;
4951 old_fdl = -1; /* force an update */
4952 curwin->w_p_fen = TRUE;
4953 break;
4954
4955 /* "zM": close all folds */
4956 case 'M': curwin->w_p_fdl = 0;
4957 old_fdl = -1; /* force an update */
4958 curwin->w_p_fen = TRUE;
4959 break;
4960
4961 /* "zr": reduce folding */
4962 case 'r': ++curwin->w_p_fdl;
4963 break;
4964
4965 /* "zR": open all folds */
4966 case 'R': curwin->w_p_fdl = getDeepestNesting();
4967 old_fdl = -1; /* force an update */
4968 break;
4969
4970 case 'j': /* "zj" move to next fold downwards */
4971 case 'k': /* "zk" move to next fold upwards */
4972 if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4973 cap->count1) == FAIL)
4974 clearopbeep(cap->oap);
4975 break;
4976
4977 #endif /* FEAT_FOLDING */
4978
4979 #ifdef FEAT_SPELL
4980 case 'u': /* "zug" and "zuw": undo "zg" and "zw" */
4981 ++no_mapping;
4982 ++allow_keys; /* no mapping for nchar, but allow key codes */
4983 nchar = plain_vgetc();
4984 LANGMAP_ADJUST(nchar, TRUE);
4985 --no_mapping;
4986 --allow_keys;
4987 #ifdef FEAT_CMDL_INFO
4988 (void)add_to_showcmd(nchar);
4989 #endif
4990 if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
4991 {
4992 clearopbeep(cap->oap);
4993 break;
4994 }
4995 undo = TRUE;
4996 /*FALLTHROUGH*/
4997
4998 case 'g': /* "zg": add good word to word list */
4999 case 'w': /* "zw": add wrong word to word list */
5000 case 'G': /* "zG": add good word to temp word list */
5001 case 'W': /* "zW": add wrong word to temp word list */
5002 {
5003 char_u *ptr = NULL;
5004 int len;
5005
5006 if (checkclearop(cap->oap))
5007 break;
5008 # ifdef FEAT_VISUAL
5009 if (VIsual_active && get_visual_text(cap, &ptr, &len)
5010 == FAIL)
5011 return;
5012 # endif
5013 if (ptr == NULL)
5014 {
5015 pos_T pos = curwin->w_cursor;
5016
5017 /* Find bad word under the cursor. */
5018 len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL);
5019 if (len != 0 && curwin->w_cursor.col <= pos.col)
5020 ptr = ml_get_pos(&curwin->w_cursor);
5021 curwin->w_cursor = pos;
5022 }
5023
5024 if (ptr == NULL && (len = find_ident_under_cursor(&ptr,
5025 FIND_IDENT)) == 0)
5026 return;
5027 spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
5028 (nchar == 'G' || nchar == 'W')
5029 ? 0 : (int)cap->count1,
5030 undo);
5031 }
5032 break;
5033
5034 case '=': /* "z=": suggestions for a badly spelled word */
5035 if (!checkclearop(cap->oap))
5036 spell_suggest((int)cap->count0);
5037 break;
5038 #endif
5039
5040 default: clearopbeep(cap->oap);
5041 }
5042
5043 #ifdef FEAT_FOLDING
5044 /* Redraw when 'foldenable' changed */
5045 if (old_fen != curwin->w_p_fen)
5046 {
5047 # ifdef FEAT_DIFF
5048 win_T *wp;
5049
5050 if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
5051 {
5052 /* Adjust 'foldenable' in diff-synced windows. */
5053 FOR_ALL_WINDOWS(wp)
5054 {
5055 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
5056 {
5057 wp->w_p_fen = curwin->w_p_fen;
5058 changed_window_setting_win(wp);
5059 }
5060 }
5061 }
5062 # endif
5063 changed_window_setting();
5064 }
5065
5066 /* Redraw when 'foldlevel' changed. */
5067 if (old_fdl != curwin->w_p_fdl)
5068 newFoldLevel();
5069 #endif
5070 }
5071
5072 #ifdef FEAT_GUI
5073 /*
5074 * Vertical scrollbar movement.
5075 */
5076 static void
5077 nv_ver_scrollbar(cap)
5078 cmdarg_T *cap;
5079 {
5080 if (cap->oap->op_type != OP_NOP)
5081 clearopbeep(cap->oap);
5082
5083 /* Even if an operator was pending, we still want to scroll */
5084 gui_do_scroll();
5085 }
5086
5087 /*
5088 * Horizontal scrollbar movement.
5089 */
5090 static void
5091 nv_hor_scrollbar(cap)
5092 cmdarg_T *cap;
5093 {
5094 if (cap->oap->op_type != OP_NOP)
5095 clearopbeep(cap->oap);
5096
5097 /* Even if an operator was pending, we still want to scroll */
5098 gui_do_horiz_scroll();
5099 }
5100 #endif
5101
5102 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
5103 /*
5104 * Click in GUI tab.
5105 */
5106 static void
5107 nv_tabline(cap)
5108 cmdarg_T *cap;
5109 {
5110 if (cap->oap->op_type != OP_NOP)
5111 clearopbeep(cap->oap);
5112
5113 /* Even if an operator was pending, we still want to jump tabs. */
5114 goto_tabpage(current_tab);
5115 }
5116
5117 /*
5118 * Selected item in tab line menu.
5119 */
5120 static void
5121 nv_tabmenu(cap)
5122 cmdarg_T *cap;
5123 {
5124 if (cap->oap->op_type != OP_NOP)
5125 clearopbeep(cap->oap);
5126
5127 /* Even if an operator was pending, we still want to jump tabs. */
5128 handle_tabmenu();
5129 }
5130
5131 /*
5132 * Handle selecting an item of the GUI tab line menu.
5133 * Used in Normal and Insert mode.
5134 */
5135 void
5136 handle_tabmenu()
5137 {
5138 switch (current_tabmenu)
5139 {
5140 case TABLINE_MENU_CLOSE:
5141 if (current_tab == 0)
5142 do_cmdline_cmd((char_u *)"tabclose");
5143 else
5144 {
5145 vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
5146 current_tab);
5147 do_cmdline_cmd(IObuff);
5148 }
5149 break;
5150
5151 case TABLINE_MENU_NEW:
5152 vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
5153 current_tab > 0 ? current_tab - 1 : 999);
5154 do_cmdline_cmd(IObuff);
5155 break;
5156
5157 case TABLINE_MENU_OPEN:
5158 vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
5159 current_tab > 0 ? current_tab - 1 : 999);
5160 do_cmdline_cmd(IObuff);
5161 break;
5162 }
5163 }
5164 #endif
5165
5166 /*
5167 * "Q" command.
5168 */
5169 static void
5170 nv_exmode(cap)
5171 cmdarg_T *cap;
5172 {
5173 /*
5174 * Ignore 'Q' in Visual mode, just give a beep.
5175 */
5176 #ifdef FEAT_VISUAL
5177 if (VIsual_active)
5178 vim_beep();
5179 else
5180 #endif
5181 if (!checkclearop(cap->oap))
5182 do_exmode(FALSE);
5183 }
5184
5185 /*
5186 * Handle a ":" command.
5187 */
5188 static void
5189 nv_colon(cap)
5190 cmdarg_T *cap;
5191 {
5192 int old_p_im;
5193
5194 #ifdef FEAT_VISUAL
5195 if (VIsual_active)
5196 nv_operator(cap);
5197 else
5198 #endif
5199 {
5200 if (cap->oap->op_type != OP_NOP)
5201 {
5202 /* Using ":" as a movement is characterwise exclusive. */
5203 cap->oap->motion_type = MCHAR;
5204 cap->oap->inclusive = FALSE;
5205 }
5206 else if (cap->count0)
5207 {
5208 /* translate "count:" into ":.,.+(count - 1)" */
5209 stuffcharReadbuff('.');
5210 if (cap->count0 > 1)
5211 {
5212 stuffReadbuff((char_u *)",.+");
5213 stuffnumReadbuff((long)cap->count0 - 1L);
5214 }
5215 }
5216
5217 /* When typing, don't type below an old message */
5218 if (KeyTyped)
5219 compute_cmdrow();
5220
5221 old_p_im = p_im;
5222
5223 /* get a command line and execute it */
5224 do_cmdline(NULL, getexline, NULL,
5225 cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
5226
5227 /* If 'insertmode' changed, enter or exit Insert mode */
5228 if (p_im != old_p_im)
5229 {
5230 if (p_im)
5231 restart_edit = 'i';
5232 else
5233 restart_edit = 0;
5234 }
5235
5236 /* The start of the operator may have become invalid by the Ex
5237 * command. */
5238 if (cap->oap->op_type != OP_NOP
5239 && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
5240 || cap->oap->start.col >
5241 (colnr_T)STRLEN(ml_get(cap->oap->start.lnum))))
5242 clearopbeep(cap->oap);
5243 }
5244 }
5245
5246 /*
5247 * Handle CTRL-G command.
5248 */
5249 static void
5250 nv_ctrlg(cap)
5251 cmdarg_T *cap;
5252 {
5253 #ifdef FEAT_VISUAL
5254 if (VIsual_active) /* toggle Selection/Visual mode */
5255 {
5256 VIsual_select = !VIsual_select;
5257 showmode();
5258 }
5259 else
5260 #endif
5261 if (!checkclearop(cap->oap))
5262 /* print full name if count given or :cd used */
5263 fileinfo((int)cap->count0, FALSE, TRUE);
5264 }
5265
5266 /*
5267 * Handle CTRL-H <Backspace> command.
5268 */
5269 static void
5270 nv_ctrlh(cap)
5271 cmdarg_T *cap;
5272 {
5273 #ifdef FEAT_VISUAL
5274 if (VIsual_active && VIsual_select)
5275 {
5276 cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */
5277 v_visop(cap);
5278 }
5279 else
5280 #endif
5281 nv_left(cap);
5282 }
5283
5284 /*
5285 * CTRL-L: clear screen and redraw.
5286 */
5287 static void
5288 nv_clear(cap)
5289 cmdarg_T *cap;
5290 {
5291 if (!checkclearop(cap->oap))
5292 {
5293 #if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
5294 /*
5295 * Right now, the BeBox doesn't seem to have an easy way to detect
5296 * window resizing, so we cheat and make the user detect it
5297 * manually with CTRL-L instead
5298 */
5299 ui_get_shellsize();
5300 #endif
5301 #ifdef FEAT_SYN_HL
5302 /* Clear all syntax states to force resyncing. */
5303 syn_stack_free_all(curbuf);
5304 #endif
5305 redraw_later(CLEAR);
5306 }
5307 }
5308
5309 /*
5310 * CTRL-O: In Select mode: switch to Visual mode for one command.
5311 * Otherwise: Go to older pcmark.
5312 */
5313 static void
5314 nv_ctrlo(cap)
5315 cmdarg_T *cap;
5316 {
5317 #ifdef FEAT_VISUAL
5318 if (VIsual_active && VIsual_select)
5319 {
5320 VIsual_select = FALSE;
5321 showmode();
5322 restart_VIsual_select = 2; /* restart Select mode later */
5323 }
5324 else
5325 #endif
5326 {
5327 cap->count1 = -cap->count1;
5328 nv_pcmark(cap);
5329 }
5330 }
5331
5332 /*
5333 * CTRL-^ command, short for ":e #"
5334 */
5335 static void
5336 nv_hat(cap)
5337 cmdarg_T *cap;
5338 {
5339 if (!checkclearopq(cap->oap))
5340 (void)buflist_getfile((int)cap->count0, (linenr_T)0,
5341 GETF_SETMARK|GETF_ALT, FALSE);
5342 }
5343
5344 /*
5345 * "Z" commands.
5346 */
5347 static void
5348 nv_Zet(cap)
5349 cmdarg_T *cap;
5350 {
5351 if (!checkclearopq(cap->oap))
5352 {
5353 switch (cap->nchar)
5354 {
5355 /* "ZZ": equivalent to ":x". */
5356 case 'Z': do_cmdline_cmd((char_u *)"x");
5357 break;
5358
5359 /* "ZQ": equivalent to ":q!" (Elvis compatible). */
5360 case 'Q': do_cmdline_cmd((char_u *)"q!");
5361 break;
5362
5363 default: clearopbeep(cap->oap);
5364 }
5365 }
5366 }
5367
5368 #if defined(FEAT_WINDOWS) || defined(PROTO)
5369 /*
5370 * Call nv_ident() as if "c1" was used, with "c2" as next character.
5371 */
5372 void
5373 do_nv_ident(c1, c2)
5374 int c1;
5375 int c2;
5376 {
5377 oparg_T oa;
5378 cmdarg_T ca;
5379
5380 clear_oparg(&oa);
5381 vim_memset(&ca, 0, sizeof(ca));
5382 ca.oap = &oa;
5383 ca.cmdchar = c1;
5384 ca.nchar = c2;
5385 nv_ident(&ca);
5386 }
5387 #endif
5388
5389 /*
5390 * Handle the commands that use the word under the cursor.
5391 * [g] CTRL-] :ta to current identifier
5392 * [g] 'K' run program for current identifier
5393 * [g] '*' / to current identifier or string
5394 * [g] '#' ? to current identifier or string
5395 * g ']' :tselect for current identifier
5396 */
5397 static void
5398 nv_ident(cap)
5399 cmdarg_T *cap;
5400 {
5401 char_u *ptr = NULL;
5402 char_u *buf;
5403 char_u *p;
5404 char_u *kp; /* value of 'keywordprg' */
5405 int kp_help; /* 'keywordprg' is ":help" */
5406 int n = 0; /* init for GCC */
5407 int cmdchar;
5408 int g_cmd; /* "g" command */
5409 char_u *aux_ptr;
5410 int isman;
5411 int isman_s;
5412
5413 if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */
5414 {
5415 cmdchar = cap->nchar;
5416 g_cmd = TRUE;
5417 }
5418 else
5419 {
5420 cmdchar = cap->cmdchar;
5421 g_cmd = FALSE;
5422 }
5423
5424 if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
5425 cmdchar = '#';
5426
5427 /*
5428 * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
5429 */
5430 if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
5431 {
5432 #ifdef FEAT_VISUAL
5433 if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
5434 return;
5435 #endif
5436 if (checkclearopq(cap->oap))
5437 return;
5438 }
5439
5440 if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
5441 (cmdchar == '*' || cmdchar == '#')
5442 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
5443 {
5444 clearop(cap->oap);
5445 return;
5446 }
5447
5448 /* Allocate buffer to put the command in. Inserting backslashes can
5449 * double the length of the word. p_kp / curbuf->b_p_kp could be added
5450 * and some numbers. */
5451 kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
5452 kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
5453 || STRCMP(kp, ":help") == 0);
5454 buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
5455 if (buf == NULL)
5456 return;
5457 buf[0] = NUL;
5458
5459 switch (cmdchar)
5460 {
5461 case '*':
5462 case '#':
5463 /*
5464 * Put cursor at start of word, makes search skip the word
5465 * under the cursor.
5466 * Call setpcmark() first, so "*``" puts the cursor back where
5467 * it was.
5468 */
5469 setpcmark();
5470 curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5471
5472 if (!g_cmd && vim_iswordp(ptr))
5473 STRCPY(buf, "\\<");
5474 no_smartcase = TRUE; /* don't use 'smartcase' now */
5475 break;
5476
5477 case 'K':
5478 if (kp_help)
5479 STRCPY(buf, "he! ");
5480 else
5481 {
5482 /* An external command will probably use an argument starting
5483 * with "-" as an option. To avoid trouble we skip the "-". */
5484 while (*ptr == '-' && n > 0)
5485 {
5486 ++ptr;
5487 --n;
5488 }
5489 if (n == 0)
5490 {
5491 EMSG(_(e_noident)); /* found dashes only */
5492 vim_free(buf);
5493 return;
5494 }
5495
5496 /* When a count is given, turn it into a range. Is this
5497 * really what we want? */
5498 isman = (STRCMP(kp, "man") == 0);
5499 isman_s = (STRCMP(kp, "man -s") == 0);
5500 if (cap->count0 != 0 && !(isman || isman_s))
5501 sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5502
5503 STRCAT(buf, "! ");
5504 if (cap->count0 == 0 && isman_s)
5505 STRCAT(buf, "man");
5506 else
5507 STRCAT(buf, kp);
5508 STRCAT(buf, " ");
5509 if (cap->count0 != 0 && (isman || isman_s))
5510 {
5511 sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5512 STRCAT(buf, " ");
5513 }
5514 }
5515 break;
5516
5517 case ']':
5518 #ifdef FEAT_CSCOPE
5519 if (p_cst)
5520 STRCPY(buf, "cstag ");
5521 else
5522 #endif
5523 STRCPY(buf, "ts ");
5524 break;
5525
5526 default:
5527 if (curbuf->b_help)
5528 STRCPY(buf, "he! ");
5529 else if (g_cmd)
5530 STRCPY(buf, "tj ");
5531 else
5532 sprintf((char *)buf, "%ldta ", cap->count0);
5533 }
5534
5535 /*
5536 * Now grab the chars in the identifier
5537 */
5538 if (cmdchar == 'K' && !kp_help)
5539 {
5540 /* Escape the argument properly for a shell command */
5541 ptr = vim_strnsave(ptr, n);
5542 p = vim_strsave_shellescape(ptr, TRUE);
5543 vim_free(ptr);
5544 if (p == NULL)
5545 {
5546 vim_free(buf);
5547 return;
5548 }
5549 buf = (char_u *)vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1);
5550 if (buf == NULL)
5551 {
5552 vim_free(buf);
5553 vim_free(p);
5554 return;
5555 }
5556 STRCAT(buf, p);
5557 vim_free(p);
5558 }
5559 else
5560 {
5561 if (cmdchar == '*')
5562 aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5563 else if (cmdchar == '#')
5564 aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5565 else
5566 /* Don't escape spaces and Tabs in a tag with a backslash */
5567 aux_ptr = (char_u *)"\\|\"\n*?[";
5568
5569 p = buf + STRLEN(buf);
5570 while (n-- > 0)
5571 {
5572 /* put a backslash before \ and some others */
5573 if (vim_strchr(aux_ptr, *ptr) != NULL)
5574 *p++ = '\\';
5575 #ifdef FEAT_MBYTE
5576 /* When current byte is a part of multibyte character, copy all
5577 * bytes of that character. */
5578 if (has_mbyte)
5579 {
5580 int i;
5581 int len = (*mb_ptr2len)(ptr) - 1;
5582
5583 for (i = 0; i < len && n >= 1; ++i, --n)
5584 *p++ = *ptr++;
5585 }
5586 #endif
5587 *p++ = *ptr++;
5588 }
5589 *p = NUL;
5590 }
5591
5592 /*
5593 * Execute the command.
5594 */
5595 if (cmdchar == '*' || cmdchar == '#')
5596 {
5597 if (!g_cmd && (
5598 #ifdef FEAT_MBYTE
5599 has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5600 #endif
5601 vim_iswordc(ptr[-1])))
5602 STRCAT(buf, "\\>");
5603 #ifdef FEAT_CMDHIST
5604 /* put pattern in search history */
5605 add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5606 #endif
5607 normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5608 }
5609 else
5610 do_cmdline_cmd(buf);
5611
5612 vim_free(buf);
5613 }
5614
5615 #if defined(FEAT_VISUAL) || defined(PROTO)
5616 /*
5617 * Get visually selected text, within one line only.
5618 * Returns FAIL if more than one line selected.
5619 */
5620 int
5621 get_visual_text(cap, pp, lenp)
5622 cmdarg_T *cap;
5623 char_u **pp; /* return: start of selected text */
5624 int *lenp; /* return: length of selected text */
5625 {
5626 if (VIsual_mode != 'V')
5627 unadjust_for_sel();
5628 if (VIsual.lnum != curwin->w_cursor.lnum)
5629 {
5630 if (cap != NULL)
5631 clearopbeep(cap->oap);
5632 return FAIL;
5633 }
5634 if (VIsual_mode == 'V')
5635 {
5636 *pp = ml_get_curline();
5637 *lenp = (int)STRLEN(*pp);
5638 }
5639 else
5640 {
5641 if (lt(curwin->w_cursor, VIsual))
5642 {
5643 *pp = ml_get_pos(&curwin->w_cursor);
5644 *lenp = VIsual.col - curwin->w_cursor.col + 1;
5645 }
5646 else
5647 {
5648 *pp = ml_get_pos(&VIsual);
5649 *lenp = curwin->w_cursor.col - VIsual.col + 1;
5650 }
5651 #ifdef FEAT_MBYTE
5652 if (has_mbyte)
5653 /* Correct the length to include the whole last character. */
5654 *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
5655 #endif
5656 }
5657 reset_VIsual_and_resel();
5658 return OK;
5659 }
5660 #endif
5661
5662 /*
5663 * CTRL-T: backwards in tag stack
5664 */
5665 static void
5666 nv_tagpop(cap)
5667 cmdarg_T *cap;
5668 {
5669 if (!checkclearopq(cap->oap))
5670 do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5671 }
5672
5673 /*
5674 * Handle scrolling command 'H', 'L' and 'M'.
5675 */
5676 static void
5677 nv_scroll(cap)
5678 cmdarg_T *cap;
5679 {
5680 int used = 0;
5681 long n;
5682 #ifdef FEAT_FOLDING
5683 linenr_T lnum;
5684 #endif
5685 int half;
5686
5687 cap->oap->motion_type = MLINE;
5688 setpcmark();
5689
5690 if (cap->cmdchar == 'L')
5691 {
5692 validate_botline(); /* make sure curwin->w_botline is valid */
5693 curwin->w_cursor.lnum = curwin->w_botline - 1;
5694 if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5695 curwin->w_cursor.lnum = 1;
5696 else
5697 {
5698 #ifdef FEAT_FOLDING
5699 if (hasAnyFolding(curwin))
5700 {
5701 /* Count a fold for one screen line. */
5702 for (n = cap->count1 - 1; n > 0
5703 && curwin->w_cursor.lnum > curwin->w_topline; --n)
5704 {
5705 (void)hasFolding(curwin->w_cursor.lnum,
5706 &curwin->w_cursor.lnum, NULL);
5707 --curwin->w_cursor.lnum;
5708 }
5709 }
5710 else
5711 #endif
5712 curwin->w_cursor.lnum -= cap->count1 - 1;
5713 }
5714 }
5715 else
5716 {
5717 if (cap->cmdchar == 'M')
5718 {
5719 #ifdef FEAT_DIFF
5720 /* Don't count filler lines above the window. */
5721 used -= diff_check_fill(curwin, curwin->w_topline)
5722 - curwin->w_topfill;
5723 #endif
5724 validate_botline(); /* make sure w_empty_rows is valid */
5725 half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5726 for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5727 {
5728 #ifdef FEAT_DIFF
5729 /* Count half he number of filler lines to be "below this
5730 * line" and half to be "above the next line". */
5731 if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5732 + n) / 2 >= half)
5733 {
5734 --n;
5735 break;
5736 }
5737 #endif
5738 used += plines(curwin->w_topline + n);
5739 if (used >= half)
5740 break;
5741 #ifdef FEAT_FOLDING
5742 if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5743 n = lnum - curwin->w_topline;
5744 #endif
5745 }
5746 if (n > 0 && used > curwin->w_height)
5747 --n;
5748 }
5749 else /* (cap->cmdchar == 'H') */
5750 {
5751 n = cap->count1 - 1;
5752 #ifdef FEAT_FOLDING
5753 if (hasAnyFolding(curwin))
5754 {
5755 /* Count a fold for one screen line. */
5756 lnum = curwin->w_topline;
5757 while (n-- > 0 && lnum < curwin->w_botline - 1)
5758 {
5759 hasFolding(lnum, NULL, &lnum);
5760 ++lnum;
5761 }
5762 n = lnum - curwin->w_topline;
5763 }
5764 #endif
5765 }
5766 curwin->w_cursor.lnum = curwin->w_topline + n;
5767 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5768 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5769 }
5770
5771 cursor_correct(); /* correct for 'so' */
5772 beginline(BL_SOL | BL_FIX);
5773 }
5774
5775 /*
5776 * Cursor right commands.
5777 */
5778 static void
5779 nv_right(cap)
5780 cmdarg_T *cap;
5781 {
5782 long n;
5783 #ifdef FEAT_VISUAL
5784 int PAST_LINE;
5785 #else
5786 # define PAST_LINE 0
5787 #endif
5788
5789 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5790 {
5791 /* <C-Right> and <S-Right> move a word or WORD right */
5792 if (mod_mask & MOD_MASK_CTRL)
5793 cap->arg = TRUE;
5794 nv_wordcmd(cap);
5795 return;
5796 }
5797
5798 cap->oap->motion_type = MCHAR;
5799 cap->oap->inclusive = FALSE;
5800 #ifdef FEAT_VISUAL
5801 PAST_LINE = (VIsual_active && *p_sel != 'o');
5802
5803 # ifdef FEAT_VIRTUALEDIT
5804 /*
5805 * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5806 * (theoretically) infinitely long.
5807 */
5808 if (virtual_active())
5809 PAST_LINE = 0;
5810 # endif
5811 #endif
5812
5813 for (n = cap->count1; n > 0; --n)
5814 {
5815 if ((!PAST_LINE && oneright() == FAIL)
5816 #ifdef FEAT_VISUAL
5817 || (PAST_LINE && *ml_get_cursor() == NUL)
5818 #endif
5819 )
5820 {
5821 /*
5822 * <Space> wraps to next line if 'whichwrap' has 's'.
5823 * 'l' wraps to next line if 'whichwrap' has 'l'.
5824 * CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
5825 */
5826 if ( ((cap->cmdchar == ' '
5827 && vim_strchr(p_ww, 's') != NULL)
5828 || (cap->cmdchar == 'l'
5829 && vim_strchr(p_ww, 'l') != NULL)
5830 || (cap->cmdchar == K_RIGHT
5831 && vim_strchr(p_ww, '>') != NULL))
5832 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5833 {
5834 /* When deleting we also count the NL as a character.
5835 * Set cap->oap->inclusive when last char in the line is
5836 * included, move to next line after that */
5837 if ( cap->oap->op_type != OP_NOP
5838 && !cap->oap->inclusive
5839 && !lineempty(curwin->w_cursor.lnum))
5840 cap->oap->inclusive = TRUE;
5841 else
5842 {
5843 ++curwin->w_cursor.lnum;
5844 curwin->w_cursor.col = 0;
5845 #ifdef FEAT_VIRTUALEDIT
5846 curwin->w_cursor.coladd = 0;
5847 #endif
5848 curwin->w_set_curswant = TRUE;
5849 cap->oap->inclusive = FALSE;
5850 }
5851 continue;
5852 }
5853 if (cap->oap->op_type == OP_NOP)
5854 {
5855 /* Only beep and flush if not moved at all */
5856 if (n == cap->count1)
5857 beep_flush();
5858 }
5859 else
5860 {
5861 if (!lineempty(curwin->w_cursor.lnum))
5862 cap->oap->inclusive = TRUE;
5863 }
5864 break;
5865 }
5866 #ifdef FEAT_VISUAL
5867 else if (PAST_LINE)
5868 {
5869 curwin->w_set_curswant = TRUE;
5870 # ifdef FEAT_VIRTUALEDIT
5871 if (virtual_active())
5872 oneright();
5873 else
5874 # endif
5875 {
5876 # ifdef FEAT_MBYTE
5877 if (has_mbyte)
5878 curwin->w_cursor.col +=
5879 (*mb_ptr2len)(ml_get_cursor());
5880 else
5881 # endif
5882 ++curwin->w_cursor.col;
5883 }
5884 }
5885 #endif
5886 }
5887 #ifdef FEAT_FOLDING
5888 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5889 && cap->oap->op_type == OP_NOP)
5890 foldOpenCursor();
5891 #endif
5892 }
5893
5894 /*
5895 * Cursor left commands.
5896 *
5897 * Returns TRUE when operator end should not be adjusted.
5898 */
5899 static void
5900 nv_left(cap)
5901 cmdarg_T *cap;
5902 {
5903 long n;
5904
5905 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
5906 {
5907 /* <C-Left> and <S-Left> move a word or WORD left */
5908 if (mod_mask & MOD_MASK_CTRL)
5909 cap->arg = 1;
5910 nv_bck_word(cap);
5911 return;
5912 }
5913
5914 cap->oap->motion_type = MCHAR;
5915 cap->oap->inclusive = FALSE;
5916 for (n = cap->count1; n > 0; --n)
5917 {
5918 if (oneleft() == FAIL)
5919 {
5920 /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5921 * 'h' wraps to previous line if 'whichwrap' has 'h'.
5922 * CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5923 */
5924 if ( (((cap->cmdchar == K_BS
5925 || cap->cmdchar == Ctrl_H)
5926 && vim_strchr(p_ww, 'b') != NULL)
5927 || (cap->cmdchar == 'h'
5928 && vim_strchr(p_ww, 'h') != NULL)
5929 || (cap->cmdchar == K_LEFT
5930 && vim_strchr(p_ww, '<') != NULL))
5931 && curwin->w_cursor.lnum > 1)
5932 {
5933 --(curwin->w_cursor.lnum);
5934 coladvance((colnr_T)MAXCOL);
5935 curwin->w_set_curswant = TRUE;
5936
5937 /* When the NL before the first char has to be deleted we
5938 * put the cursor on the NUL after the previous line.
5939 * This is a very special case, be careful!
5940 * Don't adjust op_end now, otherwise it won't work. */
5941 if ( (cap->oap->op_type == OP_DELETE
5942 || cap->oap->op_type == OP_CHANGE)
5943 && !lineempty(curwin->w_cursor.lnum))
5944 {
5945 if (*ml_get_cursor() != NUL)
5946 ++curwin->w_cursor.col;
5947 cap->retval |= CA_NO_ADJ_OP_END;
5948 }
5949 continue;
5950 }
5951 /* Only beep and flush if not moved at all */
5952 else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5953 beep_flush();
5954 break;
5955 }
5956 }
5957 #ifdef FEAT_FOLDING
5958 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5959 && cap->oap->op_type == OP_NOP)
5960 foldOpenCursor();
5961 #endif
5962 }
5963
5964 /*
5965 * Cursor up commands.
5966 * cap->arg is TRUE for "-": Move cursor to first non-blank.
5967 */
5968 static void
5969 nv_up(cap)
5970 cmdarg_T *cap;
5971 {
5972 if (mod_mask & MOD_MASK_SHIFT)
5973 {
5974 /* <S-Up> is page up */
5975 cap->arg = BACKWARD;
5976 nv_page(cap);
5977 }
5978 else
5979 {
5980 cap->oap->motion_type = MLINE;
5981 if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5982 clearopbeep(cap->oap);
5983 else if (cap->arg)
5984 beginline(BL_WHITE | BL_FIX);
5985 }
5986 }
5987
5988 /*
5989 * Cursor down commands.
5990 * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5991 */
5992 static void
5993 nv_down(cap)
5994 cmdarg_T *cap;
5995 {
5996 if (mod_mask & MOD_MASK_SHIFT)
5997 {
5998 /* <S-Down> is page down */
5999 cap->arg = FORWARD;
6000 nv_page(cap);
6001 }
6002 else
6003 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
6004 /* In a quickfix window a <CR> jumps to the error under the cursor. */
6005 if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
6006 if (curwin->w_llist_ref == NULL)
6007 do_cmdline_cmd((char_u *)".cc"); /* quickfix window */
6008 else
6009 do_cmdline_cmd((char_u *)".ll"); /* location list window */
6010 else
6011 #endif
6012 {
6013 #ifdef FEAT_CMDWIN
6014 /* In the cmdline window a <CR> executes the command. */
6015 if (cmdwin_type != 0 && cap->cmdchar == CAR)
6016 cmdwin_result = CAR;
6017 else
6018 #endif
6019 {
6020 cap->oap->motion_type = MLINE;
6021 if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
6022 clearopbeep(cap->oap);
6023 else if (cap->arg)
6024 beginline(BL_WHITE | BL_FIX);
6025 }
6026 }
6027 }
6028
6029 #ifdef FEAT_SEARCHPATH
6030 /*
6031 * Grab the file name under the cursor and edit it.
6032 */
6033 static void
6034 nv_gotofile(cap)
6035 cmdarg_T *cap;
6036 {
6037 char_u *ptr;
6038 linenr_T lnum = -1;
6039
6040 if (text_locked())
6041 {
6042 clearopbeep(cap->oap);
6043 text_locked_msg();
6044 return;
6045 }
6046 #ifdef FEAT_AUTOCMD
6047 if (curbuf_locked())
6048 {
6049 clearop(cap->oap);
6050 return;
6051 }
6052 #endif
6053
6054 ptr = grab_file_name(cap->count1, &lnum);
6055
6056 if (ptr != NULL)
6057 {
6058 /* do autowrite if necessary */
6059 if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
6060 autowrite(curbuf, FALSE);
6061 setpcmark();
6062 (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
6063 P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
6064 if (cap->nchar == 'F' && lnum >= 0)
6065 {
6066 curwin->w_cursor.lnum = lnum;
6067 check_cursor_lnum();
6068 beginline(BL_SOL | BL_FIX);
6069 }
6070 vim_free(ptr);
6071 }
6072 else
6073 clearop(cap->oap);
6074 }
6075 #endif
6076
6077 /*
6078 * <End> command: to end of current line or last line.
6079 */
6080 static void
6081 nv_end(cap)
6082 cmdarg_T *cap;
6083 {
6084 if (cap->arg || (mod_mask & MOD_MASK_CTRL)) /* CTRL-END = goto last line */
6085 {
6086 cap->arg = TRUE;
6087 nv_goto(cap);
6088 cap->count1 = 1; /* to end of current line */
6089 }
6090 nv_dollar(cap);
6091 }
6092
6093 /*
6094 * Handle the "$" command.
6095 */
6096 static void
6097 nv_dollar(cap)
6098 cmdarg_T *cap;
6099 {
6100 cap->oap->motion_type = MCHAR;
6101 cap->oap->inclusive = TRUE;
6102 #ifdef FEAT_VIRTUALEDIT
6103 /* In virtual mode when off the edge of a line and an operator
6104 * is pending (whew!) keep the cursor where it is.
6105 * Otherwise, send it to the end of the line. */
6106 if (!virtual_active() || gchar_cursor() != NUL
6107 || cap->oap->op_type == OP_NOP)
6108 #endif
6109 curwin->w_curswant = MAXCOL; /* so we stay at the end */
6110 if (cursor_down((long)(cap->count1 - 1),
6111 cap->oap->op_type == OP_NOP) == FAIL)
6112 clearopbeep(cap->oap);
6113 #ifdef FEAT_FOLDING
6114 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6115 foldOpenCursor();
6116 #endif
6117 }
6118
6119 /*
6120 * Implementation of '?' and '/' commands.
6121 * If cap->arg is TRUE don't set PC mark.
6122 */
6123 static void
6124 nv_search(cap)
6125 cmdarg_T *cap;
6126 {
6127 oparg_T *oap = cap->oap;
6128
6129 if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
6130 {
6131 /* Translate "g??" to "g?g?" */
6132 cap->cmdchar = 'g';
6133 cap->nchar = '?';
6134 nv_operator(cap);
6135 return;
6136 }
6137
6138 cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
6139
6140 if (cap->searchbuf == NULL)
6141 {
6142 clearop(oap);
6143 return;
6144 }
6145
6146 normal_search(cap, cap->cmdchar, cap->searchbuf,
6147 (cap->arg ? 0 : SEARCH_MARK));
6148 }
6149
6150 /*
6151 * Handle "N" and "n" commands.
6152 * cap->arg is SEARCH_REV for "N", 0 for "n".
6153 */
6154 static void
6155 nv_next(cap)
6156 cmdarg_T *cap;
6157 {
6158 normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
6159 }
6160
6161 /*
6162 * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
6163 * Uses only cap->count1 and cap->oap from "cap".
6164 */
6165 static void
6166 normal_search(cap, dir, pat, opt)
6167 cmdarg_T *cap;
6168 int dir;
6169 char_u *pat;
6170 int opt; /* extra flags for do_search() */
6171 {
6172 int i;
6173
6174 cap->oap->motion_type = MCHAR;
6175 cap->oap->inclusive = FALSE;
6176 cap->oap->use_reg_one = TRUE;
6177 curwin->w_set_curswant = TRUE;
6178
6179 i = do_search(cap->oap, dir, pat, cap->count1,
6180 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
6181 if (i == 0)
6182 clearop(cap->oap);
6183 else
6184 {
6185 if (i == 2)
6186 cap->oap->motion_type = MLINE;
6187 #ifdef FEAT_VIRTUALEDIT
6188 curwin->w_cursor.coladd = 0;
6189 #endif
6190 #ifdef FEAT_FOLDING
6191 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6192 foldOpenCursor();
6193 #endif
6194 }
6195
6196 /* "/$" will put the cursor after the end of the line, may need to
6197 * correct that here */
6198 check_cursor();
6199 }
6200
6201 /*
6202 * Character search commands.
6203 * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
6204 * ',' and FALSE for ';'.
6205 * cap->nchar is NUL for ',' and ';' (repeat the search)
6206 */
6207 static void
6208 nv_csearch(cap)
6209 cmdarg_T *cap;
6210 {
6211 int t_cmd;
6212
6213 if (cap->cmdchar == 't' || cap->cmdchar == 'T')
6214 t_cmd = TRUE;
6215 else
6216 t_cmd = FALSE;
6217
6218 cap->oap->motion_type = MCHAR;
6219 if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
6220 clearopbeep(cap->oap);
6221 else
6222 {
6223 curwin->w_set_curswant = TRUE;
6224 #ifdef FEAT_VIRTUALEDIT
6225 /* Include a Tab for "tx" and for "dfx". */
6226 if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
6227 && (t_cmd || cap->oap->op_type != OP_NOP))
6228 {
6229 colnr_T scol, ecol;
6230
6231 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
6232 curwin->w_cursor.coladd = ecol - scol;
6233 }
6234 else
6235 curwin->w_cursor.coladd = 0;
6236 #endif
6237 #ifdef FEAT_VISUAL
6238 adjust_for_sel(cap);
6239 #endif
6240 #ifdef FEAT_FOLDING
6241 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
6242 foldOpenCursor();
6243 #endif
6244 }
6245 }
6246
6247 /*
6248 * "[" and "]" commands.
6249 * cap->arg is BACKWARD for "[" and FORWARD for "]".
6250 */
6251 static void
6252 nv_brackets(cap)
6253 cmdarg_T *cap;
6254 {
6255 pos_T new_pos;
6256 pos_T prev_pos;
6257 pos_T *pos = NULL; /* init for GCC */
6258 pos_T old_pos; /* cursor position before command */
6259 int flag;
6260 long n;
6261 int findc;
6262 int c;
6263
6264 cap->oap->motion_type = MCHAR;
6265 cap->oap->inclusive = FALSE;
6266 old_pos = curwin->w_cursor;
6267 #ifdef FEAT_VIRTUALEDIT
6268 curwin->w_cursor.coladd = 0; /* TODO: don't do this for an error. */
6269 #endif
6270
6271 #ifdef FEAT_SEARCHPATH
6272 /*
6273 * "[f" or "]f" : Edit file under the cursor (same as "gf")
6274 */
6275 if (cap->nchar == 'f')
6276 nv_gotofile(cap);
6277 else
6278 #endif
6279
6280 #ifdef FEAT_FIND_ID
6281 /*
6282 * Find the occurrence(s) of the identifier or define under cursor
6283 * in current and included files or jump to the first occurrence.
6284 *
6285 * search list jump
6286 * fwd bwd fwd bwd fwd bwd
6287 * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
6288 * define "]d" "[d" "]D" "[D" "]^D" "[^D"
6289 */
6290 if (vim_strchr((char_u *)
6291 #ifdef EBCDIC
6292 "iI\005dD\067",
6293 #else
6294 "iI\011dD\004",
6295 #endif
6296 cap->nchar) != NULL)
6297 {
6298 char_u *ptr;
6299 int len;
6300
6301 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
6302 clearop(cap->oap);
6303 else
6304 {
6305 find_pattern_in_path(ptr, 0, len, TRUE,
6306 cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
6307 ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
6308 cap->count1,
6309 isupper(cap->nchar) ? ACTION_SHOW_ALL :
6310 islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
6311 cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
6312 (linenr_T)MAXLNUM);
6313 curwin->w_set_curswant = TRUE;
6314 }
6315 }
6316 else
6317 #endif
6318
6319 /*
6320 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
6321 * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
6322 * "[/", "[*", "]/", "]*": go to Nth comment start/end.
6323 * "[m" or "]m" search for prev/next start of (Java) method.
6324 * "[M" or "]M" search for prev/next end of (Java) method.
6325 */
6326 if ( (cap->cmdchar == '['
6327 && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
6328 || (cap->cmdchar == ']'
6329 && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
6330 {
6331 if (cap->nchar == '*')
6332 cap->nchar = '/';
6333 new_pos.lnum = 0;
6334 prev_pos.lnum = 0;
6335 if (cap->nchar == 'm' || cap->nchar == 'M')
6336 {
6337 if (cap->cmdchar == '[')
6338 findc = '{';
6339 else
6340 findc = '}';
6341 n = 9999;
6342 }
6343 else
6344 {
6345 findc = cap->nchar;
6346 n = cap->count1;
6347 }
6348 for ( ; n > 0; --n)
6349 {
6350 if ((pos = findmatchlimit(cap->oap, findc,
6351 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
6352 {
6353 if (new_pos.lnum == 0) /* nothing found */
6354 {
6355 if (cap->nchar != 'm' && cap->nchar != 'M')
6356 clearopbeep(cap->oap);
6357 }
6358 else
6359 pos = &new_pos; /* use last one found */
6360 break;
6361 }
6362 prev_pos = new_pos;
6363 curwin->w_cursor = *pos;
6364 new_pos = *pos;
6365 }
6366 curwin->w_cursor = old_pos;
6367
6368 /*
6369 * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
6370 * brought us to the match for "[m" and "]M" when inside a method.
6371 * Try finding the '{' or '}' we want to be at.
6372 * Also repeat for the given count.
6373 */
6374 if (cap->nchar == 'm' || cap->nchar == 'M')
6375 {
6376 /* norm is TRUE for "]M" and "[m" */
6377 int norm = ((findc == '{') == (cap->nchar == 'm'));
6378
6379 n = cap->count1;
6380 /* found a match: we were inside a method */
6381 if (prev_pos.lnum != 0)
6382 {
6383 pos = &prev_pos;
6384 curwin->w_cursor = prev_pos;
6385 if (norm)
6386 --n;
6387 }
6388 else
6389 pos = NULL;
6390 while (n > 0)
6391 {
6392 for (;;)
6393 {
6394 if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
6395 {
6396 /* if not found anything, that's an error */
6397 if (pos == NULL)
6398 clearopbeep(cap->oap);
6399 n = 0;
6400 break;
6401 }
6402 c = gchar_cursor();
6403 if (c == '{' || c == '}')
6404 {
6405 /* Must have found end/start of class: use it.
6406 * Or found the place to be at. */
6407 if ((c == findc && norm) || (n == 1 && !norm))
6408 {
6409 new_pos = curwin->w_cursor;
6410 pos = &new_pos;
6411 n = 0;
6412 }
6413 /* if no match found at all, we started outside of the
6414 * class and we're inside now. Just go on. */
6415 else if (new_pos.lnum == 0)
6416 {
6417 new_pos = curwin->w_cursor;
6418 pos = &new_pos;
6419 }
6420 /* found start/end of other method: go to match */
6421 else if ((pos = findmatchlimit(cap->oap, findc,
6422 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
6423 0)) == NULL)
6424 n = 0;
6425 else
6426 curwin->w_cursor = *pos;
6427 break;
6428 }
6429 }
6430 --n;
6431 }
6432 curwin->w_cursor = old_pos;
6433 if (pos == NULL && new_pos.lnum != 0)
6434 clearopbeep(cap->oap);
6435 }
6436 if (pos != NULL)
6437 {
6438 setpcmark();
6439 curwin->w_cursor = *pos;
6440 curwin->w_set_curswant = TRUE;
6441 #ifdef FEAT_FOLDING
6442 if ((fdo_flags & FDO_BLOCK) && KeyTyped
6443 && cap->oap->op_type == OP_NOP)
6444 foldOpenCursor();
6445 #endif
6446 }
6447 }
6448
6449 /*
6450 * "[[", "[]", "]]" and "][": move to start or end of function
6451 */
6452 else if (cap->nchar == '[' || cap->nchar == ']')
6453 {
6454 if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */
6455 flag = '{';
6456 else
6457 flag = '}'; /* "][" or "[]" */
6458
6459 curwin->w_set_curswant = TRUE;
6460 /*
6461 * Imitate strange Vi behaviour: When using "]]" with an operator
6462 * we also stop at '}'.
6463 */
6464 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
6465 (cap->oap->op_type != OP_NOP
6466 && cap->arg == FORWARD && flag == '{')))
6467 clearopbeep(cap->oap);
6468 else
6469 {
6470 if (cap->oap->op_type == OP_NOP)
6471 beginline(BL_WHITE | BL_FIX);
6472 #ifdef FEAT_FOLDING
6473 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6474 foldOpenCursor();
6475 #endif
6476 }
6477 }
6478
6479 /*
6480 * "[p", "[P", "]P" and "]p": put with indent adjustment
6481 */
6482 else if (cap->nchar == 'p' || cap->nchar == 'P')
6483 {
6484 if (!checkclearop(cap->oap))
6485 {
6486 prep_redo_cmd(cap);
6487 do_put(cap->oap->regname,
6488 (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
6489 cap->count1, PUT_FIXINDENT);
6490 }
6491 }
6492
6493 /*
6494 * "['", "[`", "]'" and "]`": jump to next mark
6495 */
6496 else if (cap->nchar == '\'' || cap->nchar == '`')
6497 {
6498 pos = &curwin->w_cursor;
6499 for (n = cap->count1; n > 0; --n)
6500 {
6501 prev_pos = *pos;
6502 pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
6503 cap->nchar == '\'');
6504 if (pos == NULL)
6505 break;
6506 }
6507 if (pos == NULL)
6508 pos = &prev_pos;
6509 nv_cursormark(cap, cap->nchar == '\'', pos);
6510 }
6511
6512 #ifdef FEAT_MOUSE
6513 /*
6514 * [ or ] followed by a middle mouse click: put selected text with
6515 * indent adjustment. Any other button just does as usual.
6516 */
6517 else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
6518 {
6519 (void)do_mouse(cap->oap, cap->nchar,
6520 (cap->cmdchar == ']') ? FORWARD : BACKWARD,
6521 cap->count1, PUT_FIXINDENT);
6522 }
6523 #endif /* FEAT_MOUSE */
6524
6525 #ifdef FEAT_FOLDING
6526 /*
6527 * "[z" and "]z": move to start or end of open fold.
6528 */
6529 else if (cap->nchar == 'z')
6530 {
6531 if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6532 cap->count1) == FAIL)
6533 clearopbeep(cap->oap);
6534 }
6535 #endif
6536
6537 #ifdef FEAT_DIFF
6538 /*
6539 * "[c" and "]c": move to next or previous diff-change.
6540 */
6541 else if (cap->nchar == 'c')
6542 {
6543 if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
6544 cap->count1) == FAIL)
6545 clearopbeep(cap->oap);
6546 }
6547 #endif
6548
6549 #ifdef FEAT_SPELL
6550 /*
6551 * "[s", "[S", "]s" and "]S": move to next spell error.
6552 */
6553 else if (cap->nchar == 's' || cap->nchar == 'S')
6554 {
6555 setpcmark();
6556 for (n = 0; n < cap->count1; ++n)
6557 if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
6558 cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0)
6559 {
6560 clearopbeep(cap->oap);
6561 break;
6562 }
6563 # ifdef FEAT_FOLDING
6564 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
6565 foldOpenCursor();
6566 # endif
6567 }
6568 #endif
6569
6570 /* Not a valid cap->nchar. */
6571 else
6572 clearopbeep(cap->oap);
6573 }
6574
6575 /*
6576 * Handle Normal mode "%" command.
6577 */
6578 static void
6579 nv_percent(cap)
6580 cmdarg_T *cap;
6581 {
6582 pos_T *pos;
6583 #ifdef FEAT_FOLDING
6584 linenr_T lnum = curwin->w_cursor.lnum;
6585 #endif
6586
6587 cap->oap->inclusive = TRUE;
6588 if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */
6589 {
6590 if (cap->count0 > 100)
6591 clearopbeep(cap->oap);
6592 else
6593 {
6594 cap->oap->motion_type = MLINE;
6595 setpcmark();
6596 /* Round up, so CTRL-G will give same value. Watch out for a
6597 * large line count, the line number must not go negative! */
6598 if (curbuf->b_ml.ml_line_count > 1000000)
6599 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6600 / 100L * cap->count0;
6601 else
6602 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6603 cap->count0 + 99L) / 100L;
6604 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6605 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6606 beginline(BL_SOL | BL_FIX);
6607 }
6608 }
6609 else /* "%" : go to matching paren */
6610 {
6611 cap->oap->motion_type = MCHAR;
6612 cap->oap->use_reg_one = TRUE;
6613 if ((pos = findmatch(cap->oap, NUL)) == NULL)
6614 clearopbeep(cap->oap);
6615 else
6616 {
6617 setpcmark();
6618 curwin->w_cursor = *pos;
6619 curwin->w_set_curswant = TRUE;
6620 #ifdef FEAT_VIRTUALEDIT
6621 curwin->w_cursor.coladd = 0;
6622 #endif
6623 #ifdef FEAT_VISUAL
6624 adjust_for_sel(cap);
6625 #endif
6626 }
6627 }
6628 #ifdef FEAT_FOLDING
6629 if (cap->oap->op_type == OP_NOP
6630 && lnum != curwin->w_cursor.lnum
6631 && (fdo_flags & FDO_PERCENT)
6632 && KeyTyped)
6633 foldOpenCursor();
6634 #endif
6635 }
6636
6637 /*
6638 * Handle "(" and ")" commands.
6639 * cap->arg is BACKWARD for "(" and FORWARD for ")".
6640 */
6641 static void
6642 nv_brace(cap)
6643 cmdarg_T *cap;
6644 {
6645 cap->oap->motion_type = MCHAR;
6646 cap->oap->use_reg_one = TRUE;
6647 /* The motion used to be inclusive for "(", but that is not what Vi does. */
6648 cap->oap->inclusive = FALSE;
6649 curwin->w_set_curswant = TRUE;
6650
6651 if (findsent(cap->arg, cap->count1) == FAIL)
6652 clearopbeep(cap->oap);
6653 else
6654 {
6655 /* Don't leave the cursor on the NUL past end of line. */
6656 adjust_cursor(cap->oap);
6657 #ifdef FEAT_VIRTUALEDIT
6658 curwin->w_cursor.coladd = 0;
6659 #endif
6660 #ifdef FEAT_FOLDING
6661 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6662 foldOpenCursor();
6663 #endif
6664 }
6665 }
6666
6667 /*
6668 * "m" command: Mark a position.
6669 */
6670 static void
6671 nv_mark(cap)
6672 cmdarg_T *cap;
6673 {
6674 if (!checkclearop(cap->oap))
6675 {
6676 if (setmark(cap->nchar) == FAIL)
6677 clearopbeep(cap->oap);
6678 }
6679 }
6680
6681 /*
6682 * "{" and "}" commands.
6683 * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6684 */
6685 static void
6686 nv_findpar(cap)
6687 cmdarg_T *cap;
6688 {
6689 cap->oap->motion_type = MCHAR;
6690 cap->oap->inclusive = FALSE;
6691 cap->oap->use_reg_one = TRUE;
6692 curwin->w_set_curswant = TRUE;
6693 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
6694 clearopbeep(cap->oap);
6695 else
6696 {
6697 #ifdef FEAT_VIRTUALEDIT
6698 curwin->w_cursor.coladd = 0;
6699 #endif
6700 #ifdef FEAT_FOLDING
6701 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6702 foldOpenCursor();
6703 #endif
6704 }
6705 }
6706
6707 /*
6708 * "u" command: Undo or make lower case.
6709 */
6710 static void
6711 nv_undo(cap)
6712 cmdarg_T *cap;
6713 {
6714 if (cap->oap->op_type == OP_LOWER
6715 #ifdef FEAT_VISUAL
6716 || VIsual_active
6717 #endif
6718 )
6719 {
6720 /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6721 cap->cmdchar = 'g';
6722 cap->nchar = 'u';
6723 nv_operator(cap);
6724 }
6725 else
6726 nv_kundo(cap);
6727 }
6728
6729 /*
6730 * <Undo> command.
6731 */
6732 static void
6733 nv_kundo(cap)
6734 cmdarg_T *cap;
6735 {
6736 if (!checkclearopq(cap->oap))
6737 {
6738 u_undo((int)cap->count1);
6739 curwin->w_set_curswant = TRUE;
6740 }
6741 }
6742
6743 /*
6744 * Handle the "r" command.
6745 */
6746 static void
6747 nv_replace(cap)
6748 cmdarg_T *cap;
6749 {
6750 char_u *ptr;
6751 int had_ctrl_v;
6752 long n;
6753
6754 if (checkclearop(cap->oap))
6755 return;
6756
6757 /* get another character */
6758 if (cap->nchar == Ctrl_V)
6759 {
6760 had_ctrl_v = Ctrl_V;
6761 cap->nchar = get_literal();
6762 /* Don't redo a multibyte character with CTRL-V. */
6763 if (cap->nchar > DEL)
6764 had_ctrl_v = NUL;
6765 }
6766 else
6767 had_ctrl_v = NUL;
6768
6769 /* Abort if the character is a special key. */
6770 if (IS_SPECIAL(cap->nchar))
6771 {
6772 clearopbeep(cap->oap);
6773 return;
6774 }
6775
6776 #ifdef FEAT_VISUAL
6777 /* Visual mode "r" */
6778 if (VIsual_active)
6779 {
6780 if (got_int)
6781 reset_VIsual();
6782 nv_operator(cap);
6783 return;
6784 }
6785 #endif
6786
6787 #ifdef FEAT_VIRTUALEDIT
6788 /* Break tabs, etc. */
6789 if (virtual_active())
6790 {
6791 if (u_save_cursor() == FAIL)
6792 return;
6793 if (gchar_cursor() == NUL)
6794 {
6795 /* Add extra space and put the cursor on the first one. */
6796 coladvance_force((colnr_T)(getviscol() + cap->count1));
6797 curwin->w_cursor.col -= cap->count1;
6798 }
6799 else if (gchar_cursor() == TAB)
6800 coladvance_force(getviscol());
6801 }
6802 #endif
6803
6804 /* Abort if not enough characters to replace. */
6805 ptr = ml_get_cursor();
6806 if (STRLEN(ptr) < (unsigned)cap->count1
6807 #ifdef FEAT_MBYTE
6808 || (has_mbyte && mb_charlen(ptr) < cap->count1)
6809 #endif
6810 )
6811 {
6812 clearopbeep(cap->oap);
6813 return;
6814 }
6815
6816 /*
6817 * Replacing with a TAB is done by edit() when it is complicated because
6818 * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
6819 * Other characters are done below to avoid problems with things like
6820 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6821 */
6822 if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6823 {
6824 stuffnumReadbuff(cap->count1);
6825 stuffcharReadbuff('R');
6826 stuffcharReadbuff('\t');
6827 stuffcharReadbuff(ESC);
6828 return;
6829 }
6830
6831 /* save line for undo */
6832 if (u_save_cursor() == FAIL)
6833 return;
6834
6835 if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6836 {
6837 /*
6838 * Replace character(s) by a single newline.
6839 * Strange vi behaviour: Only one newline is inserted.
6840 * Delete the characters here.
6841 * Insert the newline with an insert command, takes care of
6842 * autoindent. The insert command depends on being on the last
6843 * character of a line or not.
6844 */
6845 #ifdef FEAT_MBYTE
6846 (void)del_chars(cap->count1, FALSE); /* delete the characters */
6847 #else
6848 (void)del_bytes(cap->count1, FALSE, FALSE); /* delete the characters */
6849 #endif
6850 stuffcharReadbuff('\r');
6851 stuffcharReadbuff(ESC);
6852
6853 /* Give 'r' to edit(), to get the redo command right. */
6854 invoke_edit(cap, TRUE, 'r', FALSE);
6855 }
6856 else
6857 {
6858 prep_redo(cap->oap->regname, cap->count1,
6859 NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6860
6861 curbuf->b_op_start = curwin->w_cursor;
6862 #ifdef FEAT_MBYTE
6863 if (has_mbyte)
6864 {
6865 int old_State = State;
6866
6867 if (cap->ncharC1 != 0)
6868 AppendCharToRedobuff(cap->ncharC1);
6869 if (cap->ncharC2 != 0)
6870 AppendCharToRedobuff(cap->ncharC2);
6871
6872 /* This is slow, but it handles replacing a single-byte with a
6873 * multi-byte and the other way around. Also handles adding
6874 * composing characters for utf-8. */
6875 for (n = cap->count1; n > 0; --n)
6876 {
6877 State = REPLACE;
6878 ins_char(cap->nchar);
6879 State = old_State;
6880 if (cap->ncharC1 != 0)
6881 ins_char(cap->ncharC1);
6882 if (cap->ncharC2 != 0)
6883 ins_char(cap->ncharC2);
6884 }
6885 }
6886 else
6887 #endif
6888 {
6889 /*
6890 * Replace the characters within one line.
6891 */
6892 for (n = cap->count1; n > 0; --n)
6893 {
6894 /*
6895 * Get ptr again, because u_save and/or showmatch() will have
6896 * released the line. At the same time we let know that the
6897 * line will be changed.
6898 */
6899 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6900 ptr[curwin->w_cursor.col] = cap->nchar;
6901 if (p_sm && msg_silent == 0)
6902 showmatch(cap->nchar);
6903 ++curwin->w_cursor.col;
6904 }
6905 #ifdef FEAT_NETBEANS_INTG
6906 if (usingNetbeans)
6907 {
6908 colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6909
6910 netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
6911 (long)cap->count1);
6912 netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6913 &ptr[start], (int)cap->count1);
6914 }
6915 #endif
6916
6917 /* mark the buffer as changed and prepare for displaying */
6918 changed_bytes(curwin->w_cursor.lnum,
6919 (colnr_T)(curwin->w_cursor.col - cap->count1));
6920 }
6921 --curwin->w_cursor.col; /* cursor on the last replaced char */
6922 #ifdef FEAT_MBYTE
6923 /* if the character on the left of the current cursor is a multi-byte
6924 * character, move two characters left */
6925 if (has_mbyte)
6926 mb_adjust_cursor();
6927 #endif
6928 curbuf->b_op_end = curwin->w_cursor;
6929 curwin->w_set_curswant = TRUE;
6930 set_last_insert(cap->nchar);
6931 }
6932 }
6933
6934 #ifdef FEAT_VISUAL
6935 /*
6936 * 'o': Exchange start and end of Visual area.
6937 * 'O': same, but in block mode exchange left and right corners.
6938 */
6939 static void
6940 v_swap_corners(cmdchar)
6941 int cmdchar;
6942 {
6943 pos_T old_cursor;
6944 colnr_T left, right;
6945
6946 if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6947 {
6948 old_cursor = curwin->w_cursor;
6949 getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6950 curwin->w_cursor.lnum = VIsual.lnum;
6951 coladvance(left);
6952 VIsual = curwin->w_cursor;
6953
6954 curwin->w_cursor.lnum = old_cursor.lnum;
6955 curwin->w_curswant = right;
6956 /* 'selection "exclusive" and cursor at right-bottom corner: move it
6957 * right one column */
6958 if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6959 ++curwin->w_curswant;
6960 coladvance(curwin->w_curswant);
6961 if (curwin->w_cursor.col == old_cursor.col
6962 #ifdef FEAT_VIRTUALEDIT
6963 && (!virtual_active()
6964 || curwin->w_cursor.coladd == old_cursor.coladd)
6965 #endif
6966 )
6967 {
6968 curwin->w_cursor.lnum = VIsual.lnum;
6969 if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6970 ++right;
6971 coladvance(right);
6972 VIsual = curwin->w_cursor;
6973
6974 curwin->w_cursor.lnum = old_cursor.lnum;
6975 coladvance(left);
6976 curwin->w_curswant = left;
6977 }
6978 }
6979 else
6980 {
6981 old_cursor = curwin->w_cursor;
6982 curwin->w_cursor = VIsual;
6983 VIsual = old_cursor;
6984 curwin->w_set_curswant = TRUE;
6985 }
6986 }
6987 #endif /* FEAT_VISUAL */
6988
6989 /*
6990 * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6991 */
6992 static void
6993 nv_Replace(cap)
6994 cmdarg_T *cap;
6995 {
6996 #ifdef FEAT_VISUAL
6997 if (VIsual_active) /* "R" is replace lines */
6998 {
6999 cap->cmdchar = 'c';
7000 cap->nchar = NUL;
7001 VIsual_mode = 'V';
7002 nv_operator(cap);
7003 }
7004 else
7005 #endif
7006 if (!checkclearopq(cap->oap))
7007 {
7008 if (!curbuf->b_p_ma)
7009 EMSG(_(e_modifiable));
7010 else
7011 {
7012 #ifdef FEAT_VIRTUALEDIT
7013 if (virtual_active())
7014 coladvance(getviscol());
7015 #endif
7016 invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
7017 }
7018 }
7019 }
7020
7021 #ifdef FEAT_VREPLACE
7022 /*
7023 * "gr".
7024 */
7025 static void
7026 nv_vreplace(cap)
7027 cmdarg_T *cap;
7028 {
7029 # ifdef FEAT_VISUAL
7030 if (VIsual_active)
7031 {
7032 cap->cmdchar = 'r';
7033 cap->nchar = cap->extra_char;
7034 nv_replace(cap); /* Do same as "r" in Visual mode for now */
7035 }
7036 else
7037 # endif
7038 if (!checkclearopq(cap->oap))
7039 {
7040 if (!curbuf->b_p_ma)
7041 EMSG(_(e_modifiable));
7042 else
7043 {
7044 if (cap->extra_char == Ctrl_V) /* get another character */
7045 cap->extra_char = get_literal();
7046 stuffcharReadbuff(cap->extra_char);
7047 stuffcharReadbuff(ESC);
7048 # ifdef FEAT_VIRTUALEDIT
7049 if (virtual_active())
7050 coladvance(getviscol());
7051 # endif
7052 invoke_edit(cap, TRUE, 'v', FALSE);
7053 }
7054 }
7055 }
7056 #endif
7057
7058 /*
7059 * Swap case for "~" command, when it does not work like an operator.
7060 */
7061 static void
7062 n_swapchar(cap)
7063 cmdarg_T *cap;
7064 {
7065 long n;
7066 pos_T startpos;
7067 int did_change = 0;
7068 #ifdef FEAT_NETBEANS_INTG
7069 pos_T pos;
7070 char_u *ptr;
7071 int count;
7072 #endif
7073
7074 if (checkclearopq(cap->oap))
7075 return;
7076
7077 if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
7078 {
7079 clearopbeep(cap->oap);
7080 return;
7081 }
7082
7083 prep_redo_cmd(cap);
7084
7085 if (u_save_cursor() == FAIL)
7086 return;
7087
7088 startpos = curwin->w_cursor;
7089 #ifdef FEAT_NETBEANS_INTG
7090 pos = startpos;
7091 #endif
7092 for (n = cap->count1; n > 0; --n)
7093 {
7094 did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
7095 inc_cursor();
7096 if (gchar_cursor() == NUL)
7097 {
7098 if (vim_strchr(p_ww, '~') != NULL
7099 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
7100 {
7101 #ifdef FEAT_NETBEANS_INTG
7102 if (usingNetbeans)
7103 {
7104 if (did_change)
7105 {
7106 ptr = ml_get(pos.lnum);
7107 count = (int)STRLEN(ptr) - pos.col;
7108 netbeans_removed(curbuf, pos.lnum, pos.col,
7109 (long)count);
7110 netbeans_inserted(curbuf, pos.lnum, pos.col,
7111 &ptr[pos.col], count);
7112 }
7113 pos.col = 0;
7114 pos.lnum++;
7115 }
7116 #endif
7117 ++curwin->w_cursor.lnum;
7118 curwin->w_cursor.col = 0;
7119 if (n > 1)
7120 {
7121 if (u_savesub(curwin->w_cursor.lnum) == FAIL)
7122 break;
7123 u_clearline();
7124 }
7125 }
7126 else
7127 break;
7128 }
7129 }
7130 #ifdef FEAT_NETBEANS_INTG
7131 if (did_change && usingNetbeans)
7132 {
7133 ptr = ml_get(pos.lnum);
7134 count = curwin->w_cursor.col - pos.col;
7135 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
7136 netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
7137 }
7138 #endif
7139
7140
7141 check_cursor();
7142 curwin->w_set_curswant = TRUE;
7143 if (did_change)
7144 {
7145 changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
7146 0L);
7147 curbuf->b_op_start = startpos;
7148 curbuf->b_op_end = curwin->w_cursor;
7149 if (curbuf->b_op_end.col > 0)
7150 --curbuf->b_op_end.col;
7151 }
7152 }
7153
7154 /*
7155 * Move cursor to mark.
7156 */
7157 static void
7158 nv_cursormark(cap, flag, pos)
7159 cmdarg_T *cap;
7160 int flag;
7161 pos_T *pos;
7162 {
7163 if (check_mark(pos) == FAIL)
7164 clearop(cap->oap);
7165 else
7166 {
7167 if (cap->cmdchar == '\''
7168 || cap->cmdchar == '`'
7169 || cap->cmdchar == '['
7170 || cap->cmdchar == ']')
7171 setpcmark();
7172 curwin->w_cursor = *pos;
7173 if (flag)
7174 beginline(BL_WHITE | BL_FIX);
7175 else
7176 check_cursor();
7177 }
7178 cap->oap->motion_type = flag ? MLINE : MCHAR;
7179 if (cap->cmdchar == '`')
7180 cap->oap->use_reg_one = TRUE;
7181 cap->oap->inclusive = FALSE; /* ignored if not MCHAR */
7182 curwin->w_set_curswant = TRUE;
7183 }
7184
7185 #ifdef FEAT_VISUAL
7186 /*
7187 * Handle commands that are operators in Visual mode.
7188 */
7189 static void
7190 v_visop(cap)
7191 cmdarg_T *cap;
7192 {
7193 static char_u trans[] = "YyDdCcxdXdAAIIrr";
7194
7195 /* Uppercase means linewise, except in block mode, then "D" deletes till
7196 * the end of the line, and "C" replaces til EOL */
7197 if (isupper(cap->cmdchar))
7198 {
7199 if (VIsual_mode != Ctrl_V)
7200 VIsual_mode = 'V';
7201 else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
7202 curwin->w_curswant = MAXCOL;
7203 }
7204 cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
7205 nv_operator(cap);
7206 }
7207 #endif
7208
7209 /*
7210 * "s" and "S" commands.
7211 */
7212 static void
7213 nv_subst(cap)
7214 cmdarg_T *cap;
7215 {
7216 #ifdef FEAT_VISUAL
7217 if (VIsual_active) /* "vs" and "vS" are the same as "vc" */
7218 {
7219 if (cap->cmdchar == 'S')
7220 VIsual_mode = 'V';
7221 cap->cmdchar = 'c';
7222 nv_operator(cap);
7223 }
7224 else
7225 #endif
7226 nv_optrans(cap);
7227 }
7228
7229 /*
7230 * Abbreviated commands.
7231 */
7232 static void
7233 nv_abbrev(cap)
7234 cmdarg_T *cap;
7235 {
7236 if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
7237 cap->cmdchar = 'x'; /* DEL key behaves like 'x' */
7238
7239 #ifdef FEAT_VISUAL
7240 /* in Visual mode these commands are operators */
7241 if (VIsual_active)
7242 v_visop(cap);
7243 else
7244 #endif
7245 nv_optrans(cap);
7246 }
7247
7248 /*
7249 * Translate a command into another command.
7250 */
7251 static void
7252 nv_optrans(cap)
7253 cmdarg_T *cap;
7254 {
7255 static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
7256 (char_u *)"d$", (char_u *)"c$",
7257 (char_u *)"cl", (char_u *)"cc",
7258 (char_u *)"yy", (char_u *)":s\r"};
7259 static char_u *str = (char_u *)"xXDCsSY&";
7260
7261 if (!checkclearopq(cap->oap))
7262 {
7263 /* In Vi "2D" doesn't delete the next line. Can't translate it
7264 * either, because "2." should also not use the count. */
7265 if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
7266 {
7267 cap->oap->start = curwin->w_cursor;
7268 cap->oap->op_type = OP_DELETE;
7269 #ifdef FEAT_EVAL
7270 set_op_var(OP_DELETE);
7271 #endif
7272 cap->count1 = 1;
7273 nv_dollar(cap);
7274 finish_op = TRUE;
7275 ResetRedobuff();
7276 AppendCharToRedobuff('D');
7277 }
7278 else
7279 {
7280 if (cap->count0)
7281 stuffnumReadbuff(cap->count0);
7282 stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
7283 }
7284 }
7285 cap->opcount = 0;
7286 }
7287
7288 /*
7289 * "'" and "`" commands. Also for "g'" and "g`".
7290 * cap->arg is TRUE for "'" and "g'".
7291 */
7292 static void
7293 nv_gomark(cap)
7294 cmdarg_T *cap;
7295 {
7296 pos_T *pos;
7297 int c;
7298 #ifdef FEAT_FOLDING
7299 linenr_T lnum = curwin->w_cursor.lnum;
7300 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7301 #endif
7302
7303 if (cap->cmdchar == 'g')
7304 c = cap->extra_char;
7305 else
7306 c = cap->nchar;
7307 pos = getmark(c, (cap->oap->op_type == OP_NOP));
7308 if (pos == (pos_T *)-1) /* jumped to other file */
7309 {
7310 if (cap->arg)
7311 {
7312 check_cursor_lnum();
7313 beginline(BL_WHITE | BL_FIX);
7314 }
7315 else
7316 check_cursor();
7317 }
7318 else
7319 nv_cursormark(cap, cap->arg, pos);
7320
7321 #ifdef FEAT_VIRTUALEDIT
7322 /* May need to clear the coladd that a mark includes. */
7323 if (!virtual_active())
7324 curwin->w_cursor.coladd = 0;
7325 #endif
7326 #ifdef FEAT_FOLDING
7327 if (cap->oap->op_type == OP_NOP
7328 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7329 && (fdo_flags & FDO_MARK)
7330 && old_KeyTyped)
7331 foldOpenCursor();
7332 #endif
7333 }
7334
7335 /*
7336 * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
7337 */
7338 static void
7339 nv_pcmark(cap)
7340 cmdarg_T *cap;
7341 {
7342 #ifdef FEAT_JUMPLIST
7343 pos_T *pos;
7344 # ifdef FEAT_FOLDING
7345 linenr_T lnum = curwin->w_cursor.lnum;
7346 int old_KeyTyped = KeyTyped; /* getting file may reset it */
7347 # endif
7348
7349 if (!checkclearopq(cap->oap))
7350 {
7351 if (cap->cmdchar == 'g')
7352 pos = movechangelist((int)cap->count1);
7353 else
7354 pos = movemark((int)cap->count1);
7355 if (pos == (pos_T *)-1) /* jump to other file */
7356 {
7357 curwin->w_set_curswant = TRUE;
7358 check_cursor();
7359 }
7360 else if (pos != NULL) /* can jump */
7361 nv_cursormark(cap, FALSE, pos);
7362 else if (cap->cmdchar == 'g')
7363 {
7364 if (curbuf->b_changelistlen == 0)
7365 EMSG(_("E664: changelist is empty"));
7366 else if (cap->count1 < 0)
7367 EMSG(_("E662: At start of changelist"));
7368 else
7369 EMSG(_("E663: At end of changelist"));
7370 }
7371 else
7372 clearopbeep(cap->oap);
7373 # ifdef FEAT_FOLDING
7374 if (cap->oap->op_type == OP_NOP
7375 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
7376 && (fdo_flags & FDO_MARK)
7377 && old_KeyTyped)
7378 foldOpenCursor();
7379 # endif
7380 }
7381 #else
7382 clearopbeep(cap->oap);
7383 #endif
7384 }
7385
7386 /*
7387 * Handle '"' command.
7388 */
7389 static void
7390 nv_regname(cap)
7391 cmdarg_T *cap;
7392 {
7393 if (checkclearop(cap->oap))
7394 return;
7395 #ifdef FEAT_EVAL
7396 if (cap->nchar == '=')
7397 cap->nchar = get_expr_register();
7398 #endif
7399 if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
7400 {
7401 cap->oap->regname = cap->nchar;
7402 cap->opcount = cap->count0; /* remember count before '"' */
7403 #ifdef FEAT_EVAL
7404 set_reg_var(cap->oap->regname);
7405 #endif
7406 }
7407 else
7408 clearopbeep(cap->oap);
7409 }
7410
7411 #ifdef FEAT_VISUAL
7412 /*
7413 * Handle "v", "V" and "CTRL-V" commands.
7414 * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
7415 * is TRUE.
7416 * Handle CTRL-Q just like CTRL-V.
7417 */
7418 static void
7419 nv_visual(cap)
7420 cmdarg_T *cap;
7421 {
7422 if (cap->cmdchar == Ctrl_Q)
7423 cap->cmdchar = Ctrl_V;
7424
7425 /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
7426 * characterwise, linewise, or blockwise. */
7427 if (cap->oap->op_type != OP_NOP)
7428 {
7429 cap->oap->motion_force = cap->cmdchar;
7430 finish_op = FALSE; /* operator doesn't finish now but later */
7431 return;
7432 }
7433
7434 VIsual_select = cap->arg;
7435 if (VIsual_active) /* change Visual mode */
7436 {
7437 if (VIsual_mode == cap->cmdchar) /* stop visual mode */
7438 end_visual_mode();
7439 else /* toggle char/block mode */
7440 { /* or char/line mode */
7441 VIsual_mode = cap->cmdchar;
7442 showmode();
7443 }
7444 redraw_curbuf_later(INVERTED); /* update the inversion */
7445 }
7446 else /* start Visual mode */
7447 {
7448 check_visual_highlight();
7449 if (cap->count0) /* use previously selected part */
7450 {
7451 if (resel_VIsual_mode == NUL) /* there is none */
7452 {
7453 beep_flush();
7454 return;
7455 }
7456 VIsual = curwin->w_cursor;
7457
7458 VIsual_active = TRUE;
7459 VIsual_reselect = TRUE;
7460 if (!cap->arg)
7461 /* start Select mode when 'selectmode' contains "cmd" */
7462 may_start_select('c');
7463 #ifdef FEAT_MOUSE
7464 setmouse();
7465 #endif
7466 if (p_smd && msg_silent == 0)
7467 redraw_cmdline = TRUE; /* show visual mode later */
7468 /*
7469 * For V and ^V, we multiply the number of lines even if there
7470 * was only one -- webb
7471 */
7472 if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
7473 {
7474 curwin->w_cursor.lnum +=
7475 resel_VIsual_line_count * cap->count0 - 1;
7476 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
7477 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
7478 }
7479 VIsual_mode = resel_VIsual_mode;
7480 if (VIsual_mode == 'v')
7481 {
7482 if (resel_VIsual_line_count <= 1)
7483 curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
7484 else
7485 curwin->w_cursor.col = resel_VIsual_col;
7486 check_cursor_col();
7487 }
7488 if (resel_VIsual_col == MAXCOL)
7489 {
7490 curwin->w_curswant = MAXCOL;
7491 coladvance((colnr_T)MAXCOL);
7492 }
7493 else if (VIsual_mode == Ctrl_V)
7494 {
7495 validate_virtcol();
7496 curwin->w_curswant = curwin->w_virtcol
7497 + resel_VIsual_col * cap->count0 - 1;
7498 coladvance(curwin->w_curswant);
7499 }
7500 else
7501 curwin->w_set_curswant = TRUE;
7502 redraw_curbuf_later(INVERTED); /* show the inversion */
7503 }
7504 else
7505 {
7506 if (!cap->arg)
7507 /* start Select mode when 'selectmode' contains "cmd" */
7508 may_start_select('c');
7509 n_start_visual_mode(cap->cmdchar);
7510 }
7511 }
7512 }
7513
7514 /*
7515 * Start selection for Shift-movement keys.
7516 */
7517 void
7518 start_selection()
7519 {
7520 /* if 'selectmode' contains "key", start Select mode */
7521 may_start_select('k');
7522 n_start_visual_mode('v');
7523 }
7524
7525 /*
7526 * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
7527 */
7528 void
7529 may_start_select(c)
7530 int c;
7531 {
7532 VIsual_select = (stuff_empty() && typebuf_typed()
7533 && (vim_strchr(p_slm, c) != NULL));
7534 }
7535
7536 /*
7537 * Start Visual mode "c".
7538 * Should set VIsual_select before calling this.
7539 */
7540 static void
7541 n_start_visual_mode(c)
7542 int c;
7543 {
7544 VIsual_mode = c;
7545 VIsual_active = TRUE;
7546 VIsual_reselect = TRUE;
7547 #ifdef FEAT_VIRTUALEDIT
7548 /* Corner case: the 0 position in a tab may change when going into
7549 * virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting.
7550 */
7551 if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
7552 coladvance(curwin->w_virtcol);
7553 #endif
7554 VIsual = curwin->w_cursor;
7555
7556 #ifdef FEAT_FOLDING
7557 foldAdjustVisual();
7558 #endif
7559
7560 #ifdef FEAT_MOUSE
7561 setmouse();
7562 #endif
7563 if (p_smd && msg_silent == 0)
7564 redraw_cmdline = TRUE; /* show visual mode later */
7565 #ifdef FEAT_CLIPBOARD
7566 /* Make sure the clipboard gets updated. Needed because start and
7567 * end may still be the same, and the selection needs to be owned */
7568 clip_star.vmode = NUL;
7569 #endif
7570
7571 /* Only need to redraw this line, unless still need to redraw an old
7572 * Visual area (when 'lazyredraw' is set). */
7573 if (curwin->w_redr_type < INVERTED)
7574 {
7575 curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
7576 curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
7577 }
7578 }
7579
7580 #endif /* FEAT_VISUAL */
7581
7582 /*
7583 * CTRL-W: Window commands
7584 */
7585 static void
7586 nv_window(cap)
7587 cmdarg_T *cap;
7588 {
7589 #ifdef FEAT_WINDOWS
7590 if (!checkclearop(cap->oap))
7591 do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
7592 #else
7593 (void)checkclearop(cap->oap);
7594 #endif
7595 }
7596
7597 /*
7598 * CTRL-Z: Suspend
7599 */
7600 static void
7601 nv_suspend(cap)
7602 cmdarg_T *cap;
7603 {
7604 clearop(cap->oap);
7605 #ifdef FEAT_VISUAL
7606 if (VIsual_active)
7607 end_visual_mode(); /* stop Visual mode */
7608 #endif
7609 do_cmdline_cmd((char_u *)"st");
7610 }
7611
7612 /*
7613 * Commands starting with "g".
7614 */
7615 static void
7616 nv_g_cmd(cap)
7617 cmdarg_T *cap;
7618 {
7619 oparg_T *oap = cap->oap;
7620 #ifdef FEAT_VISUAL
7621 pos_T tpos;
7622 #endif
7623 int i;
7624 int flag = FALSE;
7625
7626 switch (cap->nchar)
7627 {
7628 #ifdef MEM_PROFILE
7629 /*
7630 * "g^A": dump log of used memory.
7631 */
7632 case Ctrl_A:
7633 vim_mem_profile_dump();
7634 break;
7635 #endif
7636
7637 #ifdef FEAT_VREPLACE
7638 /*
7639 * "gR": Enter virtual replace mode.
7640 */
7641 case 'R':
7642 cap->arg = TRUE;
7643 nv_Replace(cap);
7644 break;
7645
7646 case 'r':
7647 nv_vreplace(cap);
7648 break;
7649 #endif
7650
7651 case '&':
7652 do_cmdline_cmd((char_u *)"%s//~/&");
7653 break;
7654
7655 #ifdef FEAT_VISUAL
7656 /*
7657 * "gv": Reselect the previous Visual area. If Visual already active,
7658 * exchange previous and current Visual area.
7659 */
7660 case 'v':
7661 if (checkclearop(oap))
7662 break;
7663
7664 if ( curbuf->b_visual.vi_start.lnum == 0
7665 || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
7666 || curbuf->b_visual.vi_end.lnum == 0)
7667 beep_flush();
7668 else
7669 {
7670 /* set w_cursor to the start of the Visual area, tpos to the end */
7671 if (VIsual_active)
7672 {
7673 i = VIsual_mode;
7674 VIsual_mode = curbuf->b_visual.vi_mode;
7675 curbuf->b_visual.vi_mode = i;
7676 # ifdef FEAT_EVAL
7677 curbuf->b_visual_mode_eval = i;
7678 # endif
7679 i = curwin->w_curswant;
7680 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7681 curbuf->b_visual.vi_curswant = i;
7682
7683 tpos = curbuf->b_visual.vi_end;
7684 curbuf->b_visual.vi_end = curwin->w_cursor;
7685 curwin->w_cursor = curbuf->b_visual.vi_start;
7686 curbuf->b_visual.vi_start = VIsual;
7687 }
7688 else
7689 {
7690 VIsual_mode = curbuf->b_visual.vi_mode;
7691 curwin->w_curswant = curbuf->b_visual.vi_curswant;
7692 tpos = curbuf->b_visual.vi_end;
7693 curwin->w_cursor = curbuf->b_visual.vi_start;
7694 }
7695
7696 VIsual_active = TRUE;
7697 VIsual_reselect = TRUE;
7698
7699 /* Set Visual to the start and w_cursor to the end of the Visual
7700 * area. Make sure they are on an existing character. */
7701 check_cursor();
7702 VIsual = curwin->w_cursor;
7703 curwin->w_cursor = tpos;
7704 check_cursor();
7705 update_topline();
7706 /*
7707 * When called from normal "g" command: start Select mode when
7708 * 'selectmode' contains "cmd". When called for K_SELECT, always
7709 * start Select mode.
7710 */
7711 if (cap->arg)
7712 VIsual_select = TRUE;
7713 else
7714 may_start_select('c');
7715 #ifdef FEAT_MOUSE
7716 setmouse();
7717 #endif
7718 #ifdef FEAT_CLIPBOARD
7719 /* Make sure the clipboard gets updated. Needed because start and
7720 * end are still the same, and the selection needs to be owned */
7721 clip_star.vmode = NUL;
7722 #endif
7723 redraw_curbuf_later(INVERTED);
7724 showmode();
7725 }
7726 break;
7727 /*
7728 * "gV": Don't reselect the previous Visual area after a Select mode
7729 * mapping of menu.
7730 */
7731 case 'V':
7732 VIsual_reselect = FALSE;
7733 break;
7734
7735 /*
7736 * "gh": start Select mode.
7737 * "gH": start Select line mode.
7738 * "g^H": start Select block mode.
7739 */
7740 case K_BS:
7741 cap->nchar = Ctrl_H;
7742 /* FALLTHROUGH */
7743 case 'h':
7744 case 'H':
7745 case Ctrl_H:
7746 # ifdef EBCDIC
7747 /* EBCDIC: 'v'-'h' != '^v'-'^h' */
7748 if (cap->nchar == Ctrl_H)
7749 cap->cmdchar = Ctrl_V;
7750 else
7751 # endif
7752 cap->cmdchar = cap->nchar + ('v' - 'h');
7753 cap->arg = TRUE;
7754 nv_visual(cap);
7755 break;
7756 #endif /* FEAT_VISUAL */
7757
7758 /*
7759 * "gj" and "gk" two new funny movement keys -- up and down
7760 * movement based on *screen* line rather than *file* line.
7761 */
7762 case 'j':
7763 case K_DOWN:
7764 /* with 'nowrap' it works just like the normal "j" command; also when
7765 * in a closed fold */
7766 if (!curwin->w_p_wrap
7767 #ifdef FEAT_FOLDING
7768 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7769 #endif
7770 )
7771 {
7772 oap->motion_type = MLINE;
7773 i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7774 }
7775 else
7776 i = nv_screengo(oap, FORWARD, cap->count1);
7777 if (i == FAIL)
7778 clearopbeep(oap);
7779 break;
7780
7781 case 'k':
7782 case K_UP:
7783 /* with 'nowrap' it works just like the normal "k" command; also when
7784 * in a closed fold */
7785 if (!curwin->w_p_wrap
7786 #ifdef FEAT_FOLDING
7787 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7788 #endif
7789 )
7790 {
7791 oap->motion_type = MLINE;
7792 i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7793 }
7794 else
7795 i = nv_screengo(oap, BACKWARD, cap->count1);
7796 if (i == FAIL)
7797 clearopbeep(oap);
7798 break;
7799
7800 /*
7801 * "gJ": join two lines without inserting a space.
7802 */
7803 case 'J':
7804 nv_join(cap);
7805 break;
7806
7807 /*
7808 * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7809 * "gm": middle of "g0" and "g$".
7810 */
7811 case '^':
7812 flag = TRUE;
7813 /* FALLTHROUGH */
7814
7815 case '0':
7816 case 'm':
7817 case K_HOME:
7818 case K_KHOME:
7819 oap->motion_type = MCHAR;
7820 oap->inclusive = FALSE;
7821 if (curwin->w_p_wrap
7822 #ifdef FEAT_VERTSPLIT
7823 && curwin->w_width != 0
7824 #endif
7825 )
7826 {
7827 int width1 = W_WIDTH(curwin) - curwin_col_off();
7828 int width2 = width1 + curwin_col_off2();
7829
7830 validate_virtcol();
7831 i = 0;
7832 if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7833 i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7834 }
7835 else
7836 i = curwin->w_leftcol;
7837 /* Go to the middle of the screen line. When 'number' is on and lines
7838 * are wrapping the middle can be more to the left. */
7839 if (cap->nchar == 'm')
7840 i += (W_WIDTH(curwin) - curwin_col_off()
7841 + ((curwin->w_p_wrap && i > 0)
7842 ? curwin_col_off2() : 0)) / 2;
7843 coladvance((colnr_T)i);
7844 if (flag)
7845 {
7846 do
7847 i = gchar_cursor();
7848 while (vim_iswhite(i) && oneright() == OK);
7849 }
7850 curwin->w_set_curswant = TRUE;
7851 break;
7852
7853 case '_':
7854 /* "g_": to the last non-blank character in the line or <count> lines
7855 * downward. */
7856 cap->oap->motion_type = MCHAR;
7857 cap->oap->inclusive = TRUE;
7858 curwin->w_curswant = MAXCOL;
7859 if (cursor_down((long)(cap->count1 - 1),
7860 cap->oap->op_type == OP_NOP) == FAIL)
7861 clearopbeep(cap->oap);
7862 else
7863 {
7864 char_u *ptr = ml_get_curline();
7865
7866 /* In Visual mode we may end up after the line. */
7867 if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7868 --curwin->w_cursor.col;
7869
7870 /* Decrease the cursor column until it's on a non-blank. */
7871 while (curwin->w_cursor.col > 0
7872 && vim_iswhite(ptr[curwin->w_cursor.col]))
7873 --curwin->w_cursor.col;
7874 curwin->w_set_curswant = TRUE;
7875 }
7876 break;
7877
7878 case '$':
7879 case K_END:
7880 case K_KEND:
7881 {
7882 int col_off = curwin_col_off();
7883
7884 oap->motion_type = MCHAR;
7885 oap->inclusive = TRUE;
7886 if (curwin->w_p_wrap
7887 #ifdef FEAT_VERTSPLIT
7888 && curwin->w_width != 0
7889 #endif
7890 )
7891 {
7892 curwin->w_curswant = MAXCOL; /* so we stay at the end */
7893 if (cap->count1 == 1)
7894 {
7895 int width1 = W_WIDTH(curwin) - col_off;
7896 int width2 = width1 + curwin_col_off2();
7897
7898 validate_virtcol();
7899 i = width1 - 1;
7900 if (curwin->w_virtcol >= (colnr_T)width1)
7901 i += ((curwin->w_virtcol - width1) / width2 + 1)
7902 * width2;
7903 coladvance((colnr_T)i);
7904 #if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7905 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7906 {
7907 /*
7908 * Check for landing on a character that got split at
7909 * the end of the line. We do not want to advance to
7910 * the next screen line.
7911 */
7912 validate_virtcol();
7913 if (curwin->w_virtcol > (colnr_T)i)
7914 --curwin->w_cursor.col;
7915 }
7916 #endif
7917 }
7918 else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7919 clearopbeep(oap);
7920 }
7921 else
7922 {
7923 i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7924 coladvance((colnr_T)i);
7925
7926 /* Make sure we stick in this column. */
7927 validate_virtcol();
7928 curwin->w_curswant = curwin->w_virtcol;
7929 curwin->w_set_curswant = FALSE;
7930 }
7931 }
7932 break;
7933
7934 /*
7935 * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7936 */
7937 case '*':
7938 case '#':
7939 #if POUND != '#'
7940 case POUND: /* pound sign (sometimes equal to '#') */
7941 #endif
7942 case Ctrl_RSB: /* :tag or :tselect for current identifier */
7943 case ']': /* :tselect for current identifier */
7944 nv_ident(cap);
7945 break;
7946
7947 /*
7948 * ge and gE: go back to end of word
7949 */
7950 case 'e':
7951 case 'E':
7952 oap->motion_type = MCHAR;
7953 curwin->w_set_curswant = TRUE;
7954 oap->inclusive = TRUE;
7955 if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7956 clearopbeep(oap);
7957 break;
7958
7959 /*
7960 * "g CTRL-G": display info about cursor position
7961 */
7962 case Ctrl_G:
7963 cursor_pos_info();
7964 break;
7965
7966 /*
7967 * "gi": start Insert at the last position.
7968 */
7969 case 'i':
7970 if (curbuf->b_last_insert.lnum != 0)
7971 {
7972 curwin->w_cursor = curbuf->b_last_insert;
7973 check_cursor_lnum();
7974 i = (int)STRLEN(ml_get_curline());
7975 if (curwin->w_cursor.col > (colnr_T)i)
7976 {
7977 #ifdef FEAT_VIRTUALEDIT
7978 if (virtual_active())
7979 curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7980 #endif
7981 curwin->w_cursor.col = i;
7982 }
7983 }
7984 cap->cmdchar = 'i';
7985 nv_edit(cap);
7986 break;
7987
7988 /*
7989 * "gI": Start insert in column 1.
7990 */
7991 case 'I':
7992 beginline(0);
7993 if (!checkclearopq(oap))
7994 invoke_edit(cap, FALSE, 'g', FALSE);
7995 break;
7996
7997 #ifdef FEAT_SEARCHPATH
7998 /*
7999 * "gf": goto file, edit file under cursor
8000 * "]f" and "[f": can also be used.
8001 */
8002 case 'f':
8003 case 'F':
8004 nv_gotofile(cap);
8005 break;
8006 #endif
8007
8008 /* "g'm" and "g`m": jump to mark without setting pcmark */
8009 case '\'':
8010 cap->arg = TRUE;
8011 /*FALLTHROUGH*/
8012 case '`':
8013 nv_gomark(cap);
8014 break;
8015
8016 /*
8017 * "gs": Goto sleep.
8018 */
8019 case 's':
8020 do_sleep(cap->count1 * 1000L);
8021 break;
8022
8023 /*
8024 * "ga": Display the ascii value of the character under the
8025 * cursor. It is displayed in decimal, hex, and octal. -- webb
8026 */
8027 case 'a':
8028 do_ascii(NULL);
8029 break;
8030
8031 #ifdef FEAT_MBYTE
8032 /*
8033 * "g8": Display the bytes used for the UTF-8 character under the
8034 * cursor. It is displayed in hex.
8035 * "8g8" finds illegal byte sequence.
8036 */
8037 case '8':
8038 if (cap->count0 == 8)
8039 utf_find_illegal();
8040 else
8041 show_utf8();
8042 break;
8043 #endif
8044
8045 case '<':
8046 show_sb_text();
8047 break;
8048
8049 /*
8050 * "gg": Goto the first line in file. With a count it goes to
8051 * that line number like for "G". -- webb
8052 */
8053 case 'g':
8054 cap->arg = FALSE;
8055 nv_goto(cap);
8056 break;
8057
8058 /*
8059 * Two-character operators:
8060 * "gq" Format text
8061 * "gw" Format text and keep cursor position
8062 * "g~" Toggle the case of the text.
8063 * "gu" Change text to lower case.
8064 * "gU" Change text to upper case.
8065 * "g?" rot13 encoding
8066 * "g@" call 'operatorfunc'
8067 */
8068 case 'q':
8069 case 'w':
8070 oap->cursor_start = curwin->w_cursor;
8071 /*FALLTHROUGH*/
8072 case '~':
8073 case 'u':
8074 case 'U':
8075 case '?':
8076 case '@':
8077 nv_operator(cap);
8078 break;
8079
8080 /*
8081 * "gd": Find first occurrence of pattern under the cursor in the
8082 * current function
8083 * "gD": idem, but in the current file.
8084 */
8085 case 'd':
8086 case 'D':
8087 nv_gd(oap, cap->nchar, (int)cap->count0);
8088 break;
8089
8090 #ifdef FEAT_MOUSE
8091 /*
8092 * g<*Mouse> : <C-*mouse>
8093 */
8094 case K_MIDDLEMOUSE:
8095 case K_MIDDLEDRAG:
8096 case K_MIDDLERELEASE:
8097 case K_LEFTMOUSE:
8098 case K_LEFTDRAG:
8099 case K_LEFTRELEASE:
8100 case K_RIGHTMOUSE:
8101 case K_RIGHTDRAG:
8102 case K_RIGHTRELEASE:
8103 case K_X1MOUSE:
8104 case K_X1DRAG:
8105 case K_X1RELEASE:
8106 case K_X2MOUSE:
8107 case K_X2DRAG:
8108 case K_X2RELEASE:
8109 mod_mask = MOD_MASK_CTRL;
8110 (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
8111 break;
8112 #endif
8113
8114 case K_IGNORE:
8115 break;
8116
8117 /*
8118 * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
8119 */
8120 case 'p':
8121 case 'P':
8122 nv_put(cap);
8123 break;
8124
8125 #ifdef FEAT_BYTEOFF
8126 /* "go": goto byte count from start of buffer */
8127 case 'o':
8128 goto_byte(cap->count0);
8129 break;
8130 #endif
8131
8132 /* "gQ": improved Ex mode */
8133 case 'Q':
8134 if (text_locked())
8135 {
8136 clearopbeep(cap->oap);
8137 text_locked_msg();
8138 break;
8139 }
8140
8141 if (!checkclearopq(oap))
8142 do_exmode(TRUE);
8143 break;
8144
8145 #ifdef FEAT_JUMPLIST
8146 case ',':
8147 nv_pcmark(cap);
8148 break;
8149
8150 case ';':
8151 cap->count1 = -cap->count1;
8152 nv_pcmark(cap);
8153 break;
8154 #endif
8155
8156 #ifdef FEAT_WINDOWS
8157 case 't':
8158 goto_tabpage((int)cap->count0);
8159 break;
8160 case 'T':
8161 goto_tabpage(-(int)cap->count1);
8162 break;
8163 #endif
8164
8165 case '+':
8166 case '-': /* "g+" and "g-": undo or redo along the timeline */
8167 if (!checkclearopq(oap))
8168 undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
8169 FALSE, FALSE);
8170 break;
8171
8172 default:
8173 clearopbeep(oap);
8174 break;
8175 }
8176 }
8177
8178 /*
8179 * Handle "o" and "O" commands.
8180 */
8181 static void
8182 n_opencmd(cap)
8183 cmdarg_T *cap;
8184 {
8185 if (!checkclearopq(cap->oap))
8186 {
8187 #ifdef FEAT_FOLDING
8188 if (cap->cmdchar == 'O')
8189 /* Open above the first line of a folded sequence of lines */
8190 (void)hasFolding(curwin->w_cursor.lnum,
8191 &curwin->w_cursor.lnum, NULL);
8192 else
8193 /* Open below the last line of a folded sequence of lines */
8194 (void)hasFolding(curwin->w_cursor.lnum,
8195 NULL, &curwin->w_cursor.lnum);
8196 #endif
8197 if (u_save((linenr_T)(curwin->w_cursor.lnum -
8198 (cap->cmdchar == 'O' ? 1 : 0)),
8199 (linenr_T)(curwin->w_cursor.lnum +
8200 (cap->cmdchar == 'o' ? 1 : 0))
8201 ) == OK
8202 && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
8203 #ifdef FEAT_COMMENTS
8204 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
8205 #endif
8206 0, 0))
8207 {
8208 /* When '#' is in 'cpoptions' ignore the count. */
8209 if (vim_strchr(p_cpo, CPO_HASH) != NULL)
8210 cap->count1 = 1;
8211 invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
8212 }
8213 }
8214 }
8215
8216 /*
8217 * "." command: redo last change.
8218 */
8219 static void
8220 nv_dot(cap)
8221 cmdarg_T *cap;
8222 {
8223 if (!checkclearopq(cap->oap))
8224 {
8225 /*
8226 * If "restart_edit" is TRUE, the last but one command is repeated
8227 * instead of the last command (inserting text). This is used for
8228 * CTRL-O <.> in insert mode.
8229 */
8230 if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
8231 clearopbeep(cap->oap);
8232 }
8233 }
8234
8235 /*
8236 * CTRL-R: undo undo
8237 */
8238 static void
8239 nv_redo(cap)
8240 cmdarg_T *cap;
8241 {
8242 if (!checkclearopq(cap->oap))
8243 {
8244 u_redo((int)cap->count1);
8245 curwin->w_set_curswant = TRUE;
8246 }
8247 }
8248
8249 /*
8250 * Handle "U" command.
8251 */
8252 static void
8253 nv_Undo(cap)
8254 cmdarg_T *cap;
8255 {
8256 /* In Visual mode and typing "gUU" triggers an operator */
8257 if (cap->oap->op_type == OP_UPPER
8258 #ifdef FEAT_VISUAL
8259 || VIsual_active
8260 #endif
8261 )
8262 {
8263 /* translate "gUU" to "gUgU" */
8264 cap->cmdchar = 'g';
8265 cap->nchar = 'U';
8266 nv_operator(cap);
8267 }
8268 else if (!checkclearopq(cap->oap))
8269 {
8270 u_undoline();
8271 curwin->w_set_curswant = TRUE;
8272 }
8273 }
8274
8275 /*
8276 * '~' command: If tilde is not an operator and Visual is off: swap case of a
8277 * single character.
8278 */
8279 static void
8280 nv_tilde(cap)
8281 cmdarg_T *cap;
8282 {
8283 if (!p_to
8284 #ifdef FEAT_VISUAL
8285 && !VIsual_active
8286 #endif
8287 && cap->oap->op_type != OP_TILDE)
8288 n_swapchar(cap);
8289 else
8290 nv_operator(cap);
8291 }
8292
8293 /*
8294 * Handle an operator command.
8295 * The actual work is done by do_pending_operator().
8296 */
8297 static void
8298 nv_operator(cap)
8299 cmdarg_T *cap;
8300 {
8301 int op_type;
8302
8303 op_type = get_op_type(cap->cmdchar, cap->nchar);
8304
8305 if (op_type == cap->oap->op_type) /* double operator works on lines */
8306 nv_lineop(cap);
8307 else if (!checkclearop(cap->oap))
8308 {
8309 cap->oap->start = curwin->w_cursor;
8310 cap->oap->op_type = op_type;
8311 #ifdef FEAT_EVAL
8312 set_op_var(op_type);
8313 #endif
8314 }
8315 }
8316
8317 #ifdef FEAT_EVAL
8318 /*
8319 * Set v:operator to the characters for "optype".
8320 */
8321 static void
8322 set_op_var(optype)
8323 int optype;
8324 {
8325 char_u opchars[3];
8326
8327 if (optype == OP_NOP)
8328 set_vim_var_string(VV_OP, NULL, 0);
8329 else
8330 {
8331 opchars[0] = get_op_char(optype);
8332 opchars[1] = get_extra_op_char(optype);
8333 opchars[2] = NUL;
8334 set_vim_var_string(VV_OP, opchars, -1);
8335 }
8336 }
8337 #endif
8338
8339 /*
8340 * Handle linewise operator "dd", "yy", etc.
8341 *
8342 * "_" is is a strange motion command that helps make operators more logical.
8343 * It is actually implemented, but not documented in the real Vi. This motion
8344 * command actually refers to "the current line". Commands like "dd" and "yy"
8345 * are really an alternate form of "d_" and "y_". It does accept a count, so
8346 * "d3_" works to delete 3 lines.
8347 */
8348 static void
8349 nv_lineop(cap)
8350 cmdarg_T *cap;
8351 {
8352 cap->oap->motion_type = MLINE;
8353 if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
8354 clearopbeep(cap->oap);
8355 else if ( cap->oap->op_type == OP_DELETE
8356 || cap->oap->op_type == OP_LSHIFT
8357 || cap->oap->op_type == OP_RSHIFT)
8358 beginline(BL_SOL | BL_FIX);
8359 else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */
8360 beginline(BL_WHITE | BL_FIX);
8361 }
8362
8363 /*
8364 * <Home> command.
8365 */
8366 static void
8367 nv_home(cap)
8368 cmdarg_T *cap;
8369 {
8370 /* CTRL-HOME is like "gg" */
8371 if (mod_mask & MOD_MASK_CTRL)
8372 nv_goto(cap);
8373 else
8374 {
8375 cap->count0 = 1;
8376 nv_pipe(cap);
8377 }
8378 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8379 one-character line). */
8380 }
8381
8382 /*
8383 * "|" command.
8384 */
8385 static void
8386 nv_pipe(cap)
8387 cmdarg_T *cap;
8388 {
8389 cap->oap->motion_type = MCHAR;
8390 cap->oap->inclusive = FALSE;
8391 beginline(0);
8392 if (cap->count0 > 0)
8393 {
8394 coladvance((colnr_T)(cap->count0 - 1));
8395 curwin->w_curswant = (colnr_T)(cap->count0 - 1);
8396 }
8397 else
8398 curwin->w_curswant = 0;
8399 /* keep curswant at the column where we wanted to go, not where
8400 we ended; differs if line is too short */
8401 curwin->w_set_curswant = FALSE;
8402 }
8403
8404 /*
8405 * Handle back-word command "b" and "B".
8406 * cap->arg is 1 for "B"
8407 */
8408 static void
8409 nv_bck_word(cap)
8410 cmdarg_T *cap;
8411 {
8412 cap->oap->motion_type = MCHAR;
8413 cap->oap->inclusive = FALSE;
8414 curwin->w_set_curswant = TRUE;
8415 if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
8416 clearopbeep(cap->oap);
8417 #ifdef FEAT_FOLDING
8418 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8419 foldOpenCursor();
8420 #endif
8421 }
8422
8423 /*
8424 * Handle word motion commands "e", "E", "w" and "W".
8425 * cap->arg is TRUE for "E" and "W".
8426 */
8427 static void
8428 nv_wordcmd(cap)
8429 cmdarg_T *cap;
8430 {
8431 int n;
8432 int word_end;
8433 int flag = FALSE;
8434 pos_T startpos = curwin->w_cursor;
8435
8436 /*
8437 * Set inclusive for the "E" and "e" command.
8438 */
8439 if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
8440 word_end = TRUE;
8441 else
8442 word_end = FALSE;
8443 cap->oap->inclusive = word_end;
8444
8445 /*
8446 * "cw" and "cW" are a special case.
8447 */
8448 if (!word_end && cap->oap->op_type == OP_CHANGE)
8449 {
8450 n = gchar_cursor();
8451 if (n != NUL) /* not an empty line */
8452 {
8453 if (vim_iswhite(n))
8454 {
8455 /*
8456 * Reproduce a funny Vi behaviour: "cw" on a blank only
8457 * changes one character, not all blanks until the start of
8458 * the next word. Only do this when the 'w' flag is included
8459 * in 'cpoptions'.
8460 */
8461 if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
8462 {
8463 cap->oap->inclusive = TRUE;
8464 cap->oap->motion_type = MCHAR;
8465 return;
8466 }
8467 }
8468 else
8469 {
8470 /*
8471 * This is a little strange. To match what the real Vi does,
8472 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
8473 * that we are not on a space or a TAB. This seems impolite
8474 * at first, but it's really more what we mean when we say
8475 * 'cw'.
8476 * Another strangeness: When standing on the end of a word
8477 * "ce" will change until the end of the next wordt, but "cw"
8478 * will change only one character! This is done by setting
8479 * flag.
8480 */
8481 cap->oap->inclusive = TRUE;
8482 word_end = TRUE;
8483 flag = TRUE;
8484 }
8485 }
8486 }
8487
8488 cap->oap->motion_type = MCHAR;
8489 curwin->w_set_curswant = TRUE;
8490 if (word_end)
8491 n = end_word(cap->count1, cap->arg, flag, FALSE);
8492 else
8493 n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
8494
8495 /* Don't leave the cursor on the NUL past the end of line. Unless we
8496 * didn't move it forward. */
8497 if (lt(startpos, curwin->w_cursor))
8498 adjust_cursor(cap->oap);
8499
8500 if (n == FAIL && cap->oap->op_type == OP_NOP)
8501 clearopbeep(cap->oap);
8502 else
8503 {
8504 #ifdef FEAT_VISUAL
8505 adjust_for_sel(cap);
8506 #endif
8507 #ifdef FEAT_FOLDING
8508 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8509 foldOpenCursor();
8510 #endif
8511 }
8512 }
8513
8514 /*
8515 * Used after a movement command: If the cursor ends up on the NUL after the
8516 * end of the line, may move it back to the last character and make the motion
8517 * inclusive.
8518 */
8519 static void
8520 adjust_cursor(oap)
8521 oparg_T *oap;
8522 {
8523 /* The cursor cannot remain on the NUL when:
8524 * - the column is > 0
8525 * - not in Visual mode or 'selection' is "o"
8526 * - 'virtualedit' is not "all" and not "onemore".
8527 */
8528 if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
8529 #ifdef FEAT_VISUAL
8530 && (!VIsual_active || *p_sel == 'o')
8531 #endif
8532 #ifdef FEAT_VIRTUALEDIT
8533 && !virtual_active() && (ve_flags & VE_ONEMORE) == 0
8534 #endif
8535 )
8536 {
8537 --curwin->w_cursor.col;
8538 #ifdef FEAT_MBYTE
8539 /* prevent cursor from moving on the trail byte */
8540 if (has_mbyte)
8541 mb_adjust_cursor();
8542 #endif
8543 oap->inclusive = TRUE;
8544 }
8545 }
8546
8547 /*
8548 * "0" and "^" commands.
8549 * cap->arg is the argument for beginline().
8550 */
8551 static void
8552 nv_beginline(cap)
8553 cmdarg_T *cap;
8554 {
8555 cap->oap->motion_type = MCHAR;
8556 cap->oap->inclusive = FALSE;
8557 beginline(cap->arg);
8558 #ifdef FEAT_FOLDING
8559 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
8560 foldOpenCursor();
8561 #endif
8562 ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a
8563 one-character line). */
8564 }
8565
8566 #ifdef FEAT_VISUAL
8567 /*
8568 * In exclusive Visual mode, may include the last character.
8569 */
8570 static void
8571 adjust_for_sel(cap)
8572 cmdarg_T *cap;
8573 {
8574 if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
8575 && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
8576 {
8577 # ifdef FEAT_MBYTE
8578 if (has_mbyte)
8579 inc_cursor();
8580 else
8581 # endif
8582 ++curwin->w_cursor.col;
8583 cap->oap->inclusive = FALSE;
8584 }
8585 }
8586
8587 /*
8588 * Exclude last character at end of Visual area for 'selection' == "exclusive".
8589 * Should check VIsual_mode before calling this.
8590 * Returns TRUE when backed up to the previous line.
8591 */
8592 static int
8593 unadjust_for_sel()
8594 {
8595 pos_T *pp;
8596
8597 if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
8598 {
8599 if (lt(VIsual, curwin->w_cursor))
8600 pp = &curwin->w_cursor;
8601 else
8602 pp = &VIsual;
8603 #ifdef FEAT_VIRTUALEDIT
8604 if (pp->coladd > 0)
8605 --pp->coladd;
8606 else
8607 #endif
8608 if (pp->col > 0)
8609 {
8610 --pp->col;
8611 #ifdef FEAT_MBYTE
8612 mb_adjustpos(pp);
8613 #endif
8614 }
8615 else if (pp->lnum > 1)
8616 {
8617 --pp->lnum;
8618 pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
8619 return TRUE;
8620 }
8621 }
8622 return FALSE;
8623 }
8624
8625 /*
8626 * SELECT key in Normal or Visual mode: end of Select mode mapping.
8627 */
8628 static void
8629 nv_select(cap)
8630 cmdarg_T *cap;
8631 {
8632 if (VIsual_active)
8633 VIsual_select = TRUE;
8634 else if (VIsual_reselect)
8635 {
8636 cap->nchar = 'v'; /* fake "gv" command */
8637 cap->arg = TRUE;
8638 nv_g_cmd(cap);
8639 }
8640 }
8641
8642 #endif
8643
8644 /*
8645 * "G", "gg", CTRL-END, CTRL-HOME.
8646 * cap->arg is TRUE for "G".
8647 */
8648 static void
8649 nv_goto(cap)
8650 cmdarg_T *cap;
8651 {
8652 linenr_T lnum;
8653
8654 if (cap->arg)
8655 lnum = curbuf->b_ml.ml_line_count;
8656 else
8657 lnum = 1L;
8658 cap->oap->motion_type = MLINE;
8659 setpcmark();
8660
8661 /* When a count is given, use it instead of the default lnum */
8662 if (cap->count0 != 0)
8663 lnum = cap->count0;
8664 if (lnum < 1L)
8665 lnum = 1L;
8666 else if (lnum > curbuf->b_ml.ml_line_count)
8667 lnum = curbuf->b_ml.ml_line_count;
8668 curwin->w_cursor.lnum = lnum;
8669 beginline(BL_SOL | BL_FIX);
8670 #ifdef FEAT_FOLDING
8671 if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
8672 foldOpenCursor();
8673 #endif
8674 }
8675
8676 /*
8677 * CTRL-\ in Normal mode.
8678 */
8679 static void
8680 nv_normal(cap)
8681 cmdarg_T *cap;
8682 {
8683 if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
8684 {
8685 clearop(cap->oap);
8686 if (restart_edit != 0 && mode_displayed)
8687 clear_cmdline = TRUE; /* unshow mode later */
8688 restart_edit = 0;
8689 #ifdef FEAT_CMDWIN
8690 if (cmdwin_type != 0)
8691 cmdwin_result = Ctrl_C;
8692 #endif
8693 #ifdef FEAT_VISUAL
8694 if (VIsual_active)
8695 {
8696 end_visual_mode(); /* stop Visual */
8697 redraw_curbuf_later(INVERTED);
8698 }
8699 #endif
8700 /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
8701 if (cap->nchar == Ctrl_G && p_im)
8702 restart_edit = 'a';
8703 }
8704 else
8705 clearopbeep(cap->oap);
8706 }
8707
8708 /*
8709 * ESC in Normal mode: beep, but don't flush buffers.
8710 * Don't even beep if we are canceling a command.
8711 */
8712 static void
8713 nv_esc(cap)
8714 cmdarg_T *cap;
8715 {
8716 int no_reason;
8717
8718 no_reason = (cap->oap->op_type == OP_NOP
8719 && cap->opcount == 0
8720 && cap->count0 == 0
8721 && cap->oap->regname == 0
8722 && !p_im);
8723
8724 if (cap->arg) /* TRUE for CTRL-C */
8725 {
8726 if (restart_edit == 0
8727 #ifdef FEAT_CMDWIN
8728 && cmdwin_type == 0
8729 #endif
8730 #ifdef FEAT_VISUAL
8731 && !VIsual_active
8732 #endif
8733 && no_reason)
8734 MSG(_("Type :quit<Enter> to exit Vim"));
8735
8736 /* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8737 * set again below when halfway a mapping. */
8738 if (!p_im)
8739 restart_edit = 0;
8740 #ifdef FEAT_CMDWIN
8741 if (cmdwin_type != 0)
8742 {
8743 cmdwin_result = K_IGNORE;
8744 got_int = FALSE; /* don't stop executing autocommands et al. */
8745 return;
8746 }
8747 #endif
8748 }
8749
8750 #ifdef FEAT_VISUAL
8751 if (VIsual_active)
8752 {
8753 end_visual_mode(); /* stop Visual */
8754 check_cursor_col(); /* make sure cursor is not beyond EOL */
8755 curwin->w_set_curswant = TRUE;
8756 redraw_curbuf_later(INVERTED);
8757 }
8758 else
8759 #endif
8760 if (no_reason)
8761 vim_beep();
8762 clearop(cap->oap);
8763
8764 /* A CTRL-C is often used at the start of a menu. When 'insertmode' is
8765 * set return to Insert mode afterwards. */
8766 if (restart_edit == 0 && goto_im()
8767 #ifdef FEAT_EX_EXTRA
8768 && ex_normal_busy == 0
8769 #endif
8770 )
8771 restart_edit = 'a';
8772 }
8773
8774 /*
8775 * Handle "A", "a", "I", "i" and <Insert> commands.
8776 */
8777 static void
8778 nv_edit(cap)
8779 cmdarg_T *cap;
8780 {
8781 /* <Insert> is equal to "i" */
8782 if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8783 cap->cmdchar = 'i';
8784
8785 #ifdef FEAT_VISUAL
8786 /* in Visual mode "A" and "I" are an operator */
8787 if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8788 v_visop(cap);
8789
8790 /* in Visual mode and after an operator "a" and "i" are for text objects */
8791 else
8792 #endif
8793 if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8794 && (cap->oap->op_type != OP_NOP
8795 #ifdef FEAT_VISUAL
8796 || VIsual_active
8797 #endif
8798 ))
8799 {
8800 #ifdef FEAT_TEXTOBJ
8801 nv_object(cap);
8802 #else
8803 clearopbeep(cap->oap);
8804 #endif
8805 }
8806 else if (!curbuf->b_p_ma && !p_im)
8807 {
8808 /* Only give this error when 'insertmode' is off. */
8809 EMSG(_(e_modifiable));
8810 clearop(cap->oap);
8811 }
8812 else if (!checkclearopq(cap->oap))
8813 {
8814 switch (cap->cmdchar)
8815 {
8816 case 'A': /* "A"ppend after the line */
8817 curwin->w_set_curswant = TRUE;
8818 #ifdef FEAT_VIRTUALEDIT
8819 if (ve_flags == VE_ALL)
8820 {
8821 int save_State = State;
8822
8823 /* Pretent Insert mode here to allow the cursor on the
8824 * character past the end of the line */
8825 State = INSERT;
8826 coladvance((colnr_T)MAXCOL);
8827 State = save_State;
8828 }
8829 else
8830 #endif
8831 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8832 break;
8833
8834 case 'I': /* "I"nsert before the first non-blank */
8835 if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
8836 beginline(BL_WHITE);
8837 else
8838 beginline(BL_WHITE|BL_FIX);
8839 break;
8840
8841 case 'a': /* "a"ppend is like "i"nsert on the next character. */
8842 #ifdef FEAT_VIRTUALEDIT
8843 /* increment coladd when in virtual space, increment the
8844 * column otherwise, also to append after an unprintable char */
8845 if (virtual_active()
8846 && (curwin->w_cursor.coladd > 0
8847 || *ml_get_cursor() == NUL
8848 || *ml_get_cursor() == TAB))
8849 curwin->w_cursor.coladd++;
8850 else
8851 #endif
8852 if (*ml_get_cursor() != NUL)
8853 inc_cursor();
8854 break;
8855 }
8856
8857 #ifdef FEAT_VIRTUALEDIT
8858 if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8859 {
8860 int save_State = State;
8861
8862 /* Pretent Insert mode here to allow the cursor on the
8863 * character past the end of the line */
8864 State = INSERT;
8865 coladvance(getviscol());
8866 State = save_State;
8867 }
8868 #endif
8869
8870 invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8871 }
8872 }
8873
8874 /*
8875 * Invoke edit() and take care of "restart_edit" and the return value.
8876 */
8877 static void
8878 invoke_edit(cap, repl, cmd, startln)
8879 cmdarg_T *cap;
8880 int repl; /* "r" or "gr" command */
8881 int cmd;
8882 int startln;
8883 {
8884 int restart_edit_save = 0;
8885
8886 /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8887 * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
8888 * it. */
8889 if (repl || !stuff_empty())
8890 restart_edit_save = restart_edit;
8891 else
8892 restart_edit_save = 0;
8893
8894 /* Always reset "restart_edit", this is not a restarted edit. */
8895 restart_edit = 0;
8896
8897 if (edit(cmd, startln, cap->count1))
8898 cap->retval |= CA_COMMAND_BUSY;
8899
8900 if (restart_edit == 0)
8901 restart_edit = restart_edit_save;
8902 }
8903
8904 #ifdef FEAT_TEXTOBJ
8905 /*
8906 * "a" or "i" while an operator is pending or in Visual mode: object motion.
8907 */
8908 static void
8909 nv_object(cap)
8910 cmdarg_T *cap;
8911 {
8912 int flag;
8913 int include;
8914 char_u *mps_save;
8915
8916 if (cap->cmdchar == 'i')
8917 include = FALSE; /* "ix" = inner object: exclude white space */
8918 else
8919 include = TRUE; /* "ax" = an object: include white space */
8920
8921 /* Make sure (), [], {} and <> are in 'matchpairs' */
8922 mps_save = curbuf->b_p_mps;
8923 curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8924
8925 switch (cap->nchar)
8926 {
8927 case 'w': /* "aw" = a word */
8928 flag = current_word(cap->oap, cap->count1, include, FALSE);
8929 break;
8930 case 'W': /* "aW" = a WORD */
8931 flag = current_word(cap->oap, cap->count1, include, TRUE);
8932 break;
8933 case 'b': /* "ab" = a braces block */
8934 case '(':
8935 case ')':
8936 flag = current_block(cap->oap, cap->count1, include, '(', ')');
8937 break;
8938 case 'B': /* "aB" = a Brackets block */
8939 case '{':
8940 case '}':
8941 flag = current_block(cap->oap, cap->count1, include, '{', '}');
8942 break;
8943 case '[': /* "a[" = a [] block */
8944 case ']':
8945 flag = current_block(cap->oap, cap->count1, include, '[', ']');
8946 break;
8947 case '<': /* "a<" = a <> block */
8948 case '>':
8949 flag = current_block(cap->oap, cap->count1, include, '<', '>');
8950 break;
8951 case 't': /* "at" = a tag block (xml and html) */
8952 flag = current_tagblock(cap->oap, cap->count1, include);
8953 break;
8954 case 'p': /* "ap" = a paragraph */
8955 flag = current_par(cap->oap, cap->count1, include, 'p');
8956 break;
8957 case 's': /* "as" = a sentence */
8958 flag = current_sent(cap->oap, cap->count1, include);
8959 break;
8960 case '"': /* "a"" = a double quoted string */
8961 case '\'': /* "a'" = a single quoted string */
8962 case '`': /* "a`" = a backtick quoted string */
8963 flag = current_quote(cap->oap, cap->count1, include,
8964 cap->nchar);
8965 break;
8966 #if 0 /* TODO */
8967 case 'S': /* "aS" = a section */
8968 case 'f': /* "af" = a filename */
8969 case 'u': /* "au" = a URL */
8970 #endif
8971 default:
8972 flag = FAIL;
8973 break;
8974 }
8975
8976 curbuf->b_p_mps = mps_save;
8977 if (flag == FAIL)
8978 clearopbeep(cap->oap);
8979 adjust_cursor_col();
8980 curwin->w_set_curswant = TRUE;
8981 }
8982 #endif
8983
8984 /*
8985 * "q" command: Start/stop recording.
8986 * "q:", "q/", "q?": edit command-line in command-line window.
8987 */
8988 static void
8989 nv_record(cap)
8990 cmdarg_T *cap;
8991 {
8992 if (cap->oap->op_type == OP_FORMAT)
8993 {
8994 /* "gqq" is the same as "gqgq": format line */
8995 cap->cmdchar = 'g';
8996 cap->nchar = 'q';
8997 nv_operator(cap);
8998 }
8999 else if (!checkclearop(cap->oap))
9000 {
9001 #ifdef FEAT_CMDWIN
9002 if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
9003 {
9004 stuffcharReadbuff(cap->nchar);
9005 stuffcharReadbuff(K_CMDWIN);
9006 }
9007 else
9008 #endif
9009 /* (stop) recording into a named register, unless executing a
9010 * register */
9011 if (!Exec_reg && do_record(cap->nchar) == FAIL)
9012 clearopbeep(cap->oap);
9013 }
9014 }
9015
9016 /*
9017 * Handle the "@r" command.
9018 */
9019 static void
9020 nv_at(cap)
9021 cmdarg_T *cap;
9022 {
9023 if (checkclearop(cap->oap))
9024 return;
9025 #ifdef FEAT_EVAL
9026 if (cap->nchar == '=')
9027 {
9028 if (get_expr_register() == NUL)
9029 return;
9030 }
9031 #endif
9032 while (cap->count1-- && !got_int)
9033 {
9034 if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
9035 {
9036 clearopbeep(cap->oap);
9037 break;
9038 }
9039 line_breakcheck();
9040 }
9041 }
9042
9043 /*
9044 * Handle the CTRL-U and CTRL-D commands.
9045 */
9046 static void
9047 nv_halfpage(cap)
9048 cmdarg_T *cap;
9049 {
9050 if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
9051 || (cap->cmdchar == Ctrl_D
9052 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
9053 clearopbeep(cap->oap);
9054 else if (!checkclearop(cap->oap))
9055 halfpage(cap->cmdchar == Ctrl_D, cap->count0);
9056 }
9057
9058 /*
9059 * Handle "J" or "gJ" command.
9060 */
9061 static void
9062 nv_join(cap)
9063 cmdarg_T *cap;
9064 {
9065 #ifdef FEAT_VISUAL
9066 if (VIsual_active) /* join the visual lines */
9067 nv_operator(cap);
9068 else
9069 #endif
9070 if (!checkclearop(cap->oap))
9071 {
9072 if (cap->count0 <= 1)
9073 cap->count0 = 2; /* default for join is two lines! */
9074 if (curwin->w_cursor.lnum + cap->count0 - 1 >
9075 curbuf->b_ml.ml_line_count)
9076 clearopbeep(cap->oap); /* beyond last line */
9077 else
9078 {
9079 prep_redo(cap->oap->regname, cap->count0,
9080 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
9081 do_do_join(cap->count0, cap->nchar == NUL);
9082 }
9083 }
9084 }
9085
9086 /*
9087 * "P", "gP", "p" and "gp" commands.
9088 */
9089 static void
9090 nv_put(cap)
9091 cmdarg_T *cap;
9092 {
9093 #ifdef FEAT_VISUAL
9094 int regname = 0;
9095 void *reg1 = NULL, *reg2 = NULL;
9096 int empty = FALSE;
9097 int was_visual = FALSE;
9098 #endif
9099 int dir;
9100 int flags = 0;
9101
9102 if (cap->oap->op_type != OP_NOP)
9103 {
9104 #ifdef FEAT_DIFF
9105 /* "dp" is ":diffput" */
9106 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
9107 {
9108 clearop(cap->oap);
9109 nv_diffgetput(TRUE);
9110 }
9111 else
9112 #endif
9113 clearopbeep(cap->oap);
9114 }
9115 else
9116 {
9117 dir = (cap->cmdchar == 'P'
9118 || (cap->cmdchar == 'g' && cap->nchar == 'P'))
9119 ? BACKWARD : FORWARD;
9120 prep_redo_cmd(cap);
9121 if (cap->cmdchar == 'g')
9122 flags |= PUT_CURSEND;
9123
9124 #ifdef FEAT_VISUAL
9125 if (VIsual_active)
9126 {
9127 /* Putting in Visual mode: The put text replaces the selected
9128 * text. First delete the selected text, then put the new text.
9129 * Need to save and restore the registers that the delete
9130 * overwrites if the old contents is being put.
9131 */
9132 was_visual = TRUE;
9133 regname = cap->oap->regname;
9134 # ifdef FEAT_CLIPBOARD
9135 adjust_clip_reg(&regname);
9136 # endif
9137 if (regname == 0 || VIM_ISDIGIT(regname)
9138 # ifdef FEAT_CLIPBOARD
9139 || (clip_unnamed && (regname == '*' || regname == '+'))
9140 # endif
9141
9142 )
9143 {
9144 /* the delete is going to overwrite the register we want to
9145 * put, save it first. */
9146 reg1 = get_register(regname, TRUE);
9147 }
9148
9149 /* Now delete the selected text. */
9150 cap->cmdchar = 'd';
9151 cap->nchar = NUL;
9152 cap->oap->regname = NUL;
9153 nv_operator(cap);
9154 do_pending_operator(cap, 0, FALSE);
9155 empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
9156
9157 /* delete PUT_LINE_BACKWARD; */
9158 cap->oap->regname = regname;
9159
9160 if (reg1 != NULL)
9161 {
9162 /* Delete probably changed the register we want to put, save
9163 * it first. Then put back what was there before the delete. */
9164 reg2 = get_register(regname, FALSE);
9165 put_register(regname, reg1);
9166 }
9167
9168 /* When deleted a linewise Visual area, put the register as
9169 * lines to avoid it joined with the next line. When deletion was
9170 * characterwise, split a line when putting lines. */
9171 if (VIsual_mode == 'V')
9172 flags |= PUT_LINE;
9173 else if (VIsual_mode == 'v')
9174 flags |= PUT_LINE_SPLIT;
9175 if (VIsual_mode == Ctrl_V && dir == FORWARD)
9176 flags |= PUT_LINE_FORWARD;
9177 dir = BACKWARD;
9178 if ((VIsual_mode != 'V'
9179 && curwin->w_cursor.col < curbuf->b_op_start.col)
9180 || (VIsual_mode == 'V'
9181 && curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
9182 /* cursor is at the end of the line or end of file, put
9183 * forward. */
9184 dir = FORWARD;
9185 }
9186 #endif
9187 do_put(cap->oap->regname, dir, cap->count1, flags);
9188
9189 #ifdef FEAT_VISUAL
9190 /* If a register was saved, put it back now. */
9191 if (reg2 != NULL)
9192 put_register(regname, reg2);
9193
9194 /* What to reselect with "gv"? Selecting the just put text seems to
9195 * be the most useful, since the original text was removed. */
9196 if (was_visual)
9197 {
9198 curbuf->b_visual.vi_start = curbuf->b_op_start;
9199 curbuf->b_visual.vi_end = curbuf->b_op_end;
9200 }
9201
9202 /* When all lines were selected and deleted do_put() leaves an empty
9203 * line that needs to be deleted now. */
9204 if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
9205 {
9206 ml_delete(curbuf->b_ml.ml_line_count, TRUE);
9207
9208 /* If the cursor was in that line, move it to the end of the last
9209 * line. */
9210 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
9211 {
9212 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
9213 coladvance((colnr_T)MAXCOL);
9214 }
9215 }
9216 #endif
9217 auto_format(FALSE, TRUE);
9218 }
9219 }
9220
9221 /*
9222 * "o" and "O" commands.
9223 */
9224 static void
9225 nv_open(cap)
9226 cmdarg_T *cap;
9227 {
9228 #ifdef FEAT_DIFF
9229 /* "do" is ":diffget" */
9230 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
9231 {
9232 clearop(cap->oap);
9233 nv_diffgetput(FALSE);
9234 }
9235 else
9236 #endif
9237 #ifdef FEAT_VISUAL
9238 if (VIsual_active) /* switch start and end of visual */
9239 v_swap_corners(cap->cmdchar);
9240 else
9241 #endif
9242 n_opencmd(cap);
9243 }
9244
9245 #ifdef FEAT_SNIFF
9246 static void
9247 nv_sniff(cap)
9248 cmdarg_T *cap UNUSED;
9249 {
9250 ProcessSniffRequests();
9251 }
9252 #endif
9253
9254 #ifdef FEAT_NETBEANS_INTG
9255 static void
9256 nv_nbcmd(cap)
9257 cmdarg_T *cap;
9258 {
9259 netbeans_keycommand(cap->nchar);
9260 }
9261 #endif
9262
9263 #ifdef FEAT_DND
9264 static void
9265 nv_drop(cap)
9266 cmdarg_T *cap UNUSED;
9267 {
9268 do_put('~', BACKWARD, 1L, PUT_CURSEND);
9269 }
9270 #endif
9271
9272 #ifdef FEAT_AUTOCMD
9273 /*
9274 * Trigger CursorHold event.
9275 * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
9276 * input buffer. "did_cursorhold" is set to avoid retriggering.
9277 */
9278 static void
9279 nv_cursorhold(cap)
9280 cmdarg_T *cap;
9281 {
9282 apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
9283 did_cursorhold = TRUE;
9284 cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */
9285 }
9286 #endif
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