blob: 89196da0f448004093526f50d55045dc51057ed8 [file] [log] [blame]
Bram Moolenaar071d4272004-06-13 20:20:40 +00001/* 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 */
21static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
22static linenr_T resel_VIsual_line_count; /* number of lines */
23static colnr_T resel_VIsual_col; /* nr of cols or end col */
24
25static int restart_VIsual_select = 0;
26#endif
27
28static int
29# ifdef __BORLANDC__
30_RTLENTRYF
31# endif
32 nv_compare __ARGS((const void *s1, const void *s2));
33static int find_command __ARGS((int cmdchar));
34static void op_colon __ARGS((oparg_T *oap));
35#if defined(FEAT_MOUSE) && defined(FEAT_VISUAL)
36static void find_start_of_word __ARGS((pos_T *));
37static void find_end_of_word __ARGS((pos_T *));
38static int get_mouse_class __ARGS((char_u *p));
39#endif
40static void prep_redo_cmd __ARGS((cmdarg_T *cap));
41static void prep_redo __ARGS((int regname, long, int, int, int, int, int));
42static int checkclearop __ARGS((oparg_T *oap));
43static int checkclearopq __ARGS((oparg_T *oap));
44static void clearop __ARGS((oparg_T *oap));
45static void clearopbeep __ARGS((oparg_T *oap));
46#ifdef FEAT_VISUAL
47static void unshift_special __ARGS((cmdarg_T *cap));
48#endif
49#ifdef FEAT_CMDL_INFO
50static void del_from_showcmd __ARGS((int));
51#endif
52
53/*
54 * nv_*(): functions called to handle Normal and Visual mode commands.
55 * n_*(): functions called to handle Normal mode commands.
56 * v_*(): functions called to handle Visual mode commands.
57 */
58static void nv_ignore __ARGS((cmdarg_T *cap));
59static void nv_error __ARGS((cmdarg_T *cap));
60static void nv_help __ARGS((cmdarg_T *cap));
61static void nv_addsub __ARGS((cmdarg_T *cap));
62static void nv_page __ARGS((cmdarg_T *cap));
63static void nv_gd __ARGS((oparg_T *oap, int nchar));
64static int nv_screengo __ARGS((oparg_T *oap, int dir, long dist));
65#ifdef FEAT_MOUSE
66static void nv_mousescroll __ARGS((cmdarg_T *cap));
67static void nv_mouse __ARGS((cmdarg_T *cap));
68#endif
69static void nv_scroll_line __ARGS((cmdarg_T *cap));
70static void nv_zet __ARGS((cmdarg_T *cap));
71#ifdef FEAT_GUI
72static void nv_ver_scrollbar __ARGS((cmdarg_T *cap));
73static void nv_hor_scrollbar __ARGS((cmdarg_T *cap));
74#endif
75static void nv_exmode __ARGS((cmdarg_T *cap));
76static void nv_colon __ARGS((cmdarg_T *cap));
77static void nv_ctrlg __ARGS((cmdarg_T *cap));
78static void nv_ctrlh __ARGS((cmdarg_T *cap));
79static void nv_clear __ARGS((cmdarg_T *cap));
80static void nv_ctrlo __ARGS((cmdarg_T *cap));
81static void nv_hat __ARGS((cmdarg_T *cap));
82static void nv_Zet __ARGS((cmdarg_T *cap));
83static void nv_ident __ARGS((cmdarg_T *cap));
84#ifdef FEAT_VISUAL
85static int get_visual_text __ARGS((cmdarg_T *cap, char_u **pp, int *lenp));
86#endif
87static void nv_tagpop __ARGS((cmdarg_T *cap));
88static void nv_scroll __ARGS((cmdarg_T *cap));
89static void nv_right __ARGS((cmdarg_T *cap));
90static void nv_left __ARGS((cmdarg_T *cap));
91static void nv_up __ARGS((cmdarg_T *cap));
92static void nv_down __ARGS((cmdarg_T *cap));
93#ifdef FEAT_SEARCHPATH
94static void nv_gotofile __ARGS((cmdarg_T *cap));
95#endif
96static void nv_end __ARGS((cmdarg_T *cap));
97static void nv_dollar __ARGS((cmdarg_T *cap));
98static void nv_search __ARGS((cmdarg_T *cap));
99static void nv_next __ARGS((cmdarg_T *cap));
100static void normal_search __ARGS((cmdarg_T *cap, int dir, char_u *pat, int opt));
101static void nv_csearch __ARGS((cmdarg_T *cap));
102static void nv_brackets __ARGS((cmdarg_T *cap));
103static void nv_percent __ARGS((cmdarg_T *cap));
104static void nv_brace __ARGS((cmdarg_T *cap));
105static void nv_mark __ARGS((cmdarg_T *cap));
106static void nv_findpar __ARGS((cmdarg_T *cap));
107static void nv_undo __ARGS((cmdarg_T *cap));
108static void nv_kundo __ARGS((cmdarg_T *cap));
109static void nv_Replace __ARGS((cmdarg_T *cap));
110#ifdef FEAT_VREPLACE
111static void nv_vreplace __ARGS((cmdarg_T *cap));
112#endif
113#ifdef FEAT_VISUAL
114static void v_swap_corners __ARGS((int cmdchar));
115#endif
116static void nv_replace __ARGS((cmdarg_T *cap));
117static void n_swapchar __ARGS((cmdarg_T *cap));
118static void nv_cursormark __ARGS((cmdarg_T *cap, int flag, pos_T *pos));
119#ifdef FEAT_VISUAL
120static void v_visop __ARGS((cmdarg_T *cap));
121#endif
122static void nv_subst __ARGS((cmdarg_T *cap));
123static void nv_abbrev __ARGS((cmdarg_T *cap));
124static void nv_optrans __ARGS((cmdarg_T *cap));
125static void nv_gomark __ARGS((cmdarg_T *cap));
126static void nv_pcmark __ARGS((cmdarg_T *cap));
127static void nv_regname __ARGS((cmdarg_T *cap));
128#ifdef FEAT_VISUAL
129static void nv_visual __ARGS((cmdarg_T *cap));
130static void n_start_visual_mode __ARGS((int c));
131#endif
132static void nv_window __ARGS((cmdarg_T *cap));
133static void nv_suspend __ARGS((cmdarg_T *cap));
134static void nv_g_cmd __ARGS((cmdarg_T *cap));
135static void n_opencmd __ARGS((cmdarg_T *cap));
136static void nv_dot __ARGS((cmdarg_T *cap));
137static void nv_redo __ARGS((cmdarg_T *cap));
138static void nv_Undo __ARGS((cmdarg_T *cap));
139static void nv_tilde __ARGS((cmdarg_T *cap));
140static void nv_operator __ARGS((cmdarg_T *cap));
141static void nv_lineop __ARGS((cmdarg_T *cap));
142static void nv_home __ARGS((cmdarg_T *cap));
143static void nv_pipe __ARGS((cmdarg_T *cap));
144static void nv_bck_word __ARGS((cmdarg_T *cap));
145static void nv_wordcmd __ARGS((cmdarg_T *cap));
146static void nv_beginline __ARGS((cmdarg_T *cap));
147#ifdef FEAT_VISUAL
148static void adjust_for_sel __ARGS((cmdarg_T *cap));
149static int unadjust_for_sel __ARGS((void));
150static void nv_select __ARGS((cmdarg_T *cap));
151#endif
152static void nv_goto __ARGS((cmdarg_T *cap));
153static void nv_normal __ARGS((cmdarg_T *cap));
154static void nv_esc __ARGS((cmdarg_T *oap));
155static void nv_edit __ARGS((cmdarg_T *cap));
156static void invoke_edit __ARGS((cmdarg_T *cap, int repl, int cmd, int startln));
157#ifdef FEAT_TEXTOBJ
158static void nv_object __ARGS((cmdarg_T *cap));
159#endif
160static void nv_record __ARGS((cmdarg_T *cap));
161static void nv_at __ARGS((cmdarg_T *cap));
162static void nv_halfpage __ARGS((cmdarg_T *cap));
163static void nv_join __ARGS((cmdarg_T *cap));
164static void nv_put __ARGS((cmdarg_T *cap));
165static void nv_open __ARGS((cmdarg_T *cap));
166#ifdef FEAT_SNIFF
167static void nv_sniff __ARGS((cmdarg_T *cap));
168#endif
169#ifdef FEAT_NETBEANS_INTG
170static void nv_nbcmd __ARGS((cmdarg_T *cap));
171#endif
172#ifdef FEAT_DND
173static void nv_drop __ARGS((cmdarg_T *cap));
174#endif
175
176/*
177 * Function to be called for a Normal or Visual mode command.
178 * The argument is a cmdarg_T.
179 */
180typedef void (*nv_func_T) __ARGS((cmdarg_T *cap));
181
182/* Values for cmd_flags. */
183#define NV_NCH 0x01 /* may need to get a second char */
184#define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */
185#define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */
186#define NV_LANG 0x08 /* second char needs language adjustment */
187
188#define NV_SS 0x10 /* may start selection */
189#define NV_SSS 0x20 /* may start selection with shift modifier */
190#define NV_STS 0x40 /* may stop selection without shift modif. */
191#define NV_RL 0x80 /* 'rightleft' modifies command */
192#define NV_KEEPREG 0x100 /* don't clear regname */
193#define NV_NCW 0x200 /* not allowed in command-line window */
194
195/*
196 * Generally speaking, every Normal mode command should either clear any
197 * pending operator (with *clearop*()), or set the motion type variable
198 * oap->motion_type.
199 *
200 * When a cursor motion command is made, it is marked as being a character or
201 * line oriented motion. Then, if an operator is in effect, the operation
202 * becomes character or line oriented accordingly.
203 */
204
205/*
206 * This table contains one entry for every Normal or Visual mode command.
207 * The order doesn't matter, init_normal_cmds() will create a sorted index.
208 * It is faster when all keys from zero to '~' are present.
209 */
210static const struct nv_cmd
211{
212 int cmd_char; /* (first) command character */
213 nv_func_T cmd_func; /* function for this command */
214 short_u cmd_flags; /* NV_ flags */
215 short cmd_arg; /* value for ca.arg */
216} nv_cmds[] =
217{
218 {NUL, nv_error, 0, 0},
219 {Ctrl_A, nv_addsub, 0, 0},
220 {Ctrl_B, nv_page, NV_STS, BACKWARD},
221 {Ctrl_C, nv_esc, 0, TRUE},
222 {Ctrl_D, nv_halfpage, 0, 0},
223 {Ctrl_E, nv_scroll_line, 0, TRUE},
224 {Ctrl_F, nv_page, NV_STS, FORWARD},
225 {Ctrl_G, nv_ctrlg, 0, 0},
226 {Ctrl_H, nv_ctrlh, 0, 0},
227 {Ctrl_I, nv_pcmark, 0, 0},
228 {NL, nv_down, 0, FALSE},
229 {Ctrl_K, nv_error, 0, 0},
230 {Ctrl_L, nv_clear, 0, 0},
231 {CAR, nv_down, 0, TRUE},
232 {Ctrl_N, nv_down, NV_STS, FALSE},
233 {Ctrl_O, nv_ctrlo, 0, 0},
234 {Ctrl_P, nv_up, NV_STS, FALSE},
235 {Ctrl_Q, nv_ignore, 0, 0},
236 {Ctrl_R, nv_redo, 0, 0},
237 {Ctrl_S, nv_ignore, 0, 0},
238 {Ctrl_T, nv_tagpop, NV_NCW, 0},
239 {Ctrl_U, nv_halfpage, 0, 0},
240#ifdef FEAT_VISUAL
241 {Ctrl_V, nv_visual, 0, FALSE},
242 {'V', nv_visual, 0, FALSE},
243 {'v', nv_visual, 0, FALSE},
244#else
245 {Ctrl_V, nv_error, 0, 0},
246 {'V', nv_error, 0, 0},
247 {'v', nv_error, 0, 0},
248#endif
249 {Ctrl_W, nv_window, 0, 0},
250 {Ctrl_X, nv_addsub, 0, 0},
251 {Ctrl_Y, nv_scroll_line, 0, FALSE},
252 {Ctrl_Z, nv_suspend, 0, 0},
253 {ESC, nv_esc, 0, FALSE},
254 {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0},
255 {Ctrl_RSB, nv_ident, NV_NCW, 0},
256 {Ctrl_HAT, nv_hat, NV_NCW, 0},
257 {Ctrl__, nv_error, 0, 0},
258 {' ', nv_right, 0, 0},
259 {'!', nv_operator, 0, 0},
260 {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0},
261 {'#', nv_ident, 0, 0},
262 {'$', nv_dollar, 0, 0},
263 {'%', nv_percent, 0, 0},
264 {'&', nv_optrans, 0, 0},
265 {'\'', nv_gomark, NV_NCH_ALW, TRUE},
266 {'(', nv_brace, 0, BACKWARD},
267 {')', nv_brace, 0, FORWARD},
268 {'*', nv_ident, 0, 0},
269 {'+', nv_down, 0, TRUE},
270 {',', nv_csearch, 0, TRUE},
271 {'-', nv_up, 0, TRUE},
272 {'.', nv_dot, NV_KEEPREG, 0},
273 {'/', nv_search, 0, FALSE},
274 {'0', nv_beginline, 0, 0},
275 {'1', nv_ignore, 0, 0},
276 {'2', nv_ignore, 0, 0},
277 {'3', nv_ignore, 0, 0},
278 {'4', nv_ignore, 0, 0},
279 {'5', nv_ignore, 0, 0},
280 {'6', nv_ignore, 0, 0},
281 {'7', nv_ignore, 0, 0},
282 {'8', nv_ignore, 0, 0},
283 {'9', nv_ignore, 0, 0},
284 {':', nv_colon, 0, 0},
285 {';', nv_csearch, 0, FALSE},
286 {'<', nv_operator, NV_RL, 0},
287 {'=', nv_operator, 0, 0},
288 {'>', nv_operator, NV_RL, 0},
289 {'?', nv_search, 0, FALSE},
290 {'@', nv_at, NV_NCH_NOP, FALSE},
291 {'A', nv_edit, 0, 0},
292 {'B', nv_bck_word, 0, 1},
293 {'C', nv_abbrev, NV_KEEPREG, 0},
294 {'D', nv_abbrev, NV_KEEPREG, 0},
295 {'E', nv_wordcmd, 0, TRUE},
296 {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
297 {'G', nv_goto, 0, TRUE},
298 {'H', nv_scroll, 0, 0},
299 {'I', nv_edit, 0, 0},
300 {'J', nv_join, 0, 0},
301 {'K', nv_ident, 0, 0},
302 {'L', nv_scroll, 0, 0},
303 {'M', nv_scroll, 0, 0},
304 {'N', nv_next, 0, SEARCH_REV},
305 {'O', nv_open, 0, 0},
306 {'P', nv_put, 0, 0},
307 {'Q', nv_exmode, NV_NCW, 0},
308 {'R', nv_Replace, 0, FALSE},
309 {'S', nv_subst, NV_KEEPREG, 0},
310 {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
311 {'U', nv_Undo, 0, 0},
312 {'W', nv_wordcmd, 0, TRUE},
313 {'X', nv_abbrev, NV_KEEPREG, 0},
314 {'Y', nv_abbrev, NV_KEEPREG, 0},
315 {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0},
316 {'[', nv_brackets, NV_NCH_ALW, BACKWARD},
317 {'\\', nv_error, 0, 0},
318 {']', nv_brackets, NV_NCH_ALW, FORWARD},
319 {'^', nv_beginline, 0, BL_WHITE | BL_FIX},
320 {'_', nv_lineop, 0, 0},
321 {'`', nv_gomark, NV_NCH_ALW, FALSE},
322 {'a', nv_edit, NV_NCH, 0},
323 {'b', nv_bck_word, 0, 0},
324 {'c', nv_operator, 0, 0},
325 {'d', nv_operator, 0, 0},
326 {'e', nv_wordcmd, 0, FALSE},
327 {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
328 {'g', nv_g_cmd, NV_NCH_ALW, FALSE},
329 {'h', nv_left, NV_RL, 0},
330 {'i', nv_edit, NV_NCH, 0},
331 {'j', nv_down, 0, FALSE},
332 {'k', nv_up, 0, FALSE},
333 {'l', nv_right, NV_RL, 0},
334 {'m', nv_mark, NV_NCH_NOP, 0},
335 {'n', nv_next, 0, 0},
336 {'o', nv_open, 0, 0},
337 {'p', nv_put, 0, 0},
338 {'q', nv_record, NV_NCH, 0},
339 {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0},
340 {'s', nv_subst, NV_KEEPREG, 0},
341 {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
342 {'u', nv_undo, 0, 0},
343 {'w', nv_wordcmd, 0, FALSE},
344 {'x', nv_abbrev, NV_KEEPREG, 0},
345 {'y', nv_operator, 0, 0},
346 {'z', nv_zet, NV_NCH_ALW, 0},
347 {'{', nv_findpar, 0, BACKWARD},
348 {'|', nv_pipe, 0, 0},
349 {'}', nv_findpar, 0, FORWARD},
350 {'~', nv_tilde, 0, 0},
351
352 /* pound sign */
353 {POUND, nv_ident, 0, 0},
354#ifdef FEAT_MOUSE
355 {K_MOUSEUP, nv_mousescroll, 0, TRUE},
356 {K_MOUSEDOWN, nv_mousescroll, 0, FALSE},
357 {K_LEFTMOUSE, nv_mouse, 0, 0},
358 {K_LEFTMOUSE_NM, nv_mouse, 0, 0},
359 {K_LEFTDRAG, nv_mouse, 0, 0},
360 {K_LEFTRELEASE, nv_mouse, 0, 0},
361 {K_LEFTRELEASE_NM, nv_mouse, 0, 0},
362 {K_MIDDLEMOUSE, nv_mouse, 0, 0},
363 {K_MIDDLEDRAG, nv_mouse, 0, 0},
364 {K_MIDDLERELEASE, nv_mouse, 0, 0},
365 {K_RIGHTMOUSE, nv_mouse, 0, 0},
366 {K_RIGHTDRAG, nv_mouse, 0, 0},
367 {K_RIGHTRELEASE, nv_mouse, 0, 0},
368 {K_X1MOUSE, nv_mouse, 0, 0},
369 {K_X1DRAG, nv_mouse, 0, 0},
370 {K_X1RELEASE, nv_mouse, 0, 0},
371 {K_X2MOUSE, nv_mouse, 0, 0},
372 {K_X2DRAG, nv_mouse, 0, 0},
373 {K_X2RELEASE, nv_mouse, 0, 0},
374#endif
375 {K_IGNORE, nv_ignore, 0, 0},
376 {K_INS, nv_edit, 0, 0},
377 {K_KINS, nv_edit, 0, 0},
378 {K_BS, nv_ctrlh, 0, 0},
379 {K_UP, nv_up, NV_SSS|NV_STS, FALSE},
380 {K_S_UP, nv_page, NV_SS, BACKWARD},
381 {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE},
382 {K_S_DOWN, nv_page, NV_SS, FORWARD},
383 {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0},
384 {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0},
385 {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1},
386 {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0},
387 {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE},
388 {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE},
389 {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
390 {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
391 {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
392 {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
393 {K_END, nv_end, NV_SSS|NV_STS, FALSE},
394 {K_KEND, nv_end, NV_SSS|NV_STS, FALSE},
395 {K_XEND, nv_end, NV_SSS|NV_STS, FALSE},
396 {K_S_END, nv_end, NV_SS, FALSE},
397 {K_C_END, nv_end, NV_SSS|NV_STS, TRUE},
398 {K_HOME, nv_home, NV_SSS|NV_STS, 0},
399 {K_KHOME, nv_home, NV_SSS|NV_STS, 0},
400 {K_XHOME, nv_home, NV_SSS|NV_STS, 0},
401 {K_S_HOME, nv_home, NV_SS, 0},
402 {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE},
403 {K_DEL, nv_abbrev, 0, 0},
404 {K_KDEL, nv_abbrev, 0, 0},
405 {K_UNDO, nv_kundo, 0, 0},
406 {K_HELP, nv_help, NV_NCW, 0},
407 {K_F1, nv_help, NV_NCW, 0},
408 {K_XF1, nv_help, NV_NCW, 0},
409#ifdef FEAT_VISUAL
410 {K_SELECT, nv_select, 0, 0},
411#endif
412#ifdef FEAT_GUI
413 {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0},
414 {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0},
415#endif
416#ifdef FEAT_FKMAP
417 {K_F8, farsi_fkey, 0, 0},
418 {K_F9, farsi_fkey, 0, 0},
419#endif
420#ifdef FEAT_SNIFF
421 {K_SNIFF, nv_sniff, 0, 0},
422#endif
423#ifdef FEAT_NETBEANS_INTG
424 {K_F21, nv_nbcmd, NV_NCH_ALW, 0},
425#endif
426#ifdef FEAT_DND
427 {K_DROP, nv_drop, NV_STS, 0},
428#endif
429};
430
431/* Number of commands in nv_cmds[]. */
432#define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
433
434/* Sorted index of commands in nv_cmds[]. */
435static short nv_cmd_idx[NV_CMDS_SIZE];
436
437/* The highest index for which
438 * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
439static int nv_max_linear;
440
441/*
442 * Compare functions for qsort() below, that checks the command character
443 * through the index in nv_cmd_idx[].
444 */
445 static int
446#ifdef __BORLANDC__
447_RTLENTRYF
448#endif
449nv_compare(s1, s2)
450 const void *s1;
451 const void *s2;
452{
453 int c1, c2;
454
455 /* The commands are sorted on absolute value. */
456 c1 = nv_cmds[*(const short *)s1].cmd_char;
457 c2 = nv_cmds[*(const short *)s2].cmd_char;
458 if (c1 < 0)
459 c1 = -c1;
460 if (c2 < 0)
461 c2 = -c2;
462 return c1 - c2;
463}
464
465/*
466 * Initialize the nv_cmd_idx[] table.
467 */
468 void
469init_normal_cmds()
470{
471 int i;
472
473 /* Fill the index table with a one to one relation. */
474 for (i = 0; i < NV_CMDS_SIZE; ++i)
475 nv_cmd_idx[i] = i;
476
477 /* Sort the commands by the command character. */
478 qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
479
480 /* Find the first entry that can't be indexed by the command character. */
481 for (i = 0; i < NV_CMDS_SIZE; ++i)
482 if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
483 break;
484 nv_max_linear = i - 1;
485}
486
487/*
488 * Search for a command in the commands table.
489 * Returns -1 for invalid command.
490 */
491 static int
492find_command(cmdchar)
493 int cmdchar;
494{
495 int i;
496 int idx;
497 int top, bot;
498 int c;
499
500#ifdef FEAT_MBYTE
501 /* A multi-byte character is never a command. */
502 if (cmdchar >= 0x100)
503 return -1;
504#endif
505
506 /* We use the absolute value of the character. Special keys have a
507 * negative value, but are sorted on their absolute value. */
508 if (cmdchar < 0)
509 cmdchar = -cmdchar;
510
511 /* If the character is in the first part: The character is the index into
512 * nv_cmd_idx[]. */
513 if (cmdchar <= nv_max_linear)
514 return nv_cmd_idx[cmdchar];
515
516 /* Perform a binary search. */
517 bot = nv_max_linear + 1;
518 top = NV_CMDS_SIZE - 1;
519 idx = -1;
520 while (bot <= top)
521 {
522 i = (top + bot) / 2;
523 c = nv_cmds[nv_cmd_idx[i]].cmd_char;
524 if (c < 0)
525 c = -c;
526 if (cmdchar == c)
527 {
528 idx = nv_cmd_idx[i];
529 break;
530 }
531 if (cmdchar > c)
532 bot = i + 1;
533 else
534 top = i - 1;
535 }
536 return idx;
537}
538
539/*
540 * Execute a command in Normal mode.
541 */
542/*ARGSUSED*/
543 void
544normal_cmd(oap, toplevel)
545 oparg_T *oap;
546 int toplevel; /* TRUE when called from main() */
547{
548 static long opcount = 0; /* ca.opcount saved here */
549 cmdarg_T ca; /* command arguments */
550 int c;
551 int ctrl_w = FALSE; /* got CTRL-W command */
552 int old_col = curwin->w_curswant;
553#ifdef FEAT_CMDL_INFO
554 int need_flushbuf; /* need to call out_flush() */
555#endif
556#ifdef FEAT_VISUAL
557 pos_T old_pos; /* cursor position before command */
558 int mapped_len;
559#endif
560 static int old_mapped_len = 0;
561 int idx;
562
563 vim_memset(&ca, 0, sizeof(ca)); /* also resets ca.retval */
564 ca.oap = oap;
565 ca.opcount = opcount;
566
567#ifdef FEAT_SNIFF
568 want_sniff_request = sniff_connected;
569#endif
570
571 /*
572 * If there is an operator pending, then the command we take this time
573 * will terminate it. Finish_op tells us to finish the operation before
574 * returning this time (unless the operation was cancelled).
575 */
576#ifdef CURSOR_SHAPE
577 c = finish_op;
578#endif
579 finish_op = (oap->op_type != OP_NOP);
580#ifdef CURSOR_SHAPE
581 if (finish_op != c)
582 {
583 ui_cursor_shape(); /* may show different cursor shape */
584# ifdef FEAT_MOUSESHAPE
585 update_mouseshape(-1);
586# endif
587 }
588#endif
589
590 if (!finish_op && !oap->regname)
591 ca.opcount = 0;
592
593#ifdef FEAT_VISUAL
594 mapped_len = typebuf_maplen();
595#endif
596
597 State = NORMAL_BUSY;
598#ifdef USE_ON_FLY_SCROLL
599 dont_scroll = FALSE; /* allow scrolling here */
600#endif
601
602 /*
603 * Get the command character from the user.
604 */
605 c = safe_vgetc();
606
607#ifdef FEAT_LANGMAP
608 LANGMAP_ADJUST(c, TRUE);
609#endif
610
611 /*
612 * If a mapping was started in Visual or Select mode, remember the length
613 * of the mapping. This is used below to not return to Insert mode for as
614 * long as the mapping is being executed.
615 */
616 if (restart_edit == 0)
617 old_mapped_len = 0;
618 else if (old_mapped_len
619#ifdef FEAT_VISUAL
620 || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0)
621#endif
622 )
623 old_mapped_len = typebuf_maplen();
624
625 if (c == NUL)
626 c = K_ZERO;
627
628#ifdef FEAT_VISUAL
629 /*
630 * In Select mode, typed text replaces the selection.
631 */
632 if (VIsual_active
633 && VIsual_select
634 && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
635 {
636# ifdef FEAT_MBYTE
637 char_u buf[MB_MAXBYTES + 1];
638
639 buf[(*mb_char2bytes)(c, buf)] = NUL;
640# else
641 char_u buf[2];
642
643 buf[0] = c;
644 buf[1] = NUL;
645# endif
646 /* Fake a "c"hange command.
647 * Insert the typed character in the typeahead buffer, so that it will
648 * be mapped in Insert mode. Required for ":lmap" to work. May cause
649 * mapping a character from ":vnoremap"... */
650 (void)ins_typebuf(buf, REMAP_YES, 0, !KeyTyped, FALSE);
651 c = 'c';
652 }
653#endif
654
655#ifdef FEAT_CMDL_INFO
656 need_flushbuf = add_to_showcmd(c);
657#endif
658
659getcount:
660#ifdef FEAT_VISUAL
661 if (!(VIsual_active && VIsual_select))
662#endif
663 {
664 /*
665 * Handle a count before a command and compute ca.count0.
666 * Note that '0' is a command and not the start of a count, but it's
667 * part of a count after other digits.
668 */
669 while ( (c >= '1' && c <= '9')
670 || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0')))
671 {
672 if (c == K_DEL || c == K_KDEL)
673 {
674 ca.count0 /= 10;
675#ifdef FEAT_CMDL_INFO
676 del_from_showcmd(4); /* delete the digit and ~@% */
677#endif
678 }
679 else
680 ca.count0 = ca.count0 * 10 + (c - '0');
681 if (ca.count0 < 0) /* got too large! */
682 ca.count0 = 999999999L;
683 if (ctrl_w)
684 {
685 ++no_mapping;
686 ++allow_keys; /* no mapping for nchar, but keys */
687 }
688 ++no_zero_mapping; /* don't map zero here */
689 c = safe_vgetc();
690#ifdef FEAT_LANGMAP
691 LANGMAP_ADJUST(c, TRUE);
692#endif
693 --no_zero_mapping;
694 if (ctrl_w)
695 {
696 --no_mapping;
697 --allow_keys;
698 }
699#ifdef FEAT_CMDL_INFO
700 need_flushbuf |= add_to_showcmd(c);
701#endif
702 }
703
704 /*
705 * If we got CTRL-W there may be a/another count
706 */
707 if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP)
708 {
709 ctrl_w = TRUE;
710 ca.opcount = ca.count0; /* remember first count */
711 ca.count0 = 0;
712 ++no_mapping;
713 ++allow_keys; /* no mapping for nchar, but keys */
714 c = safe_vgetc(); /* get next character */
715#ifdef FEAT_LANGMAP
716 LANGMAP_ADJUST(c, TRUE);
717#endif
718 --no_mapping;
719 --allow_keys;
720#ifdef FEAT_CMDL_INFO
721 need_flushbuf |= add_to_showcmd(c);
722#endif
723 goto getcount; /* jump back */
724 }
725 }
726
727 /*
728 * If we're in the middle of an operator (including after entering a yank
729 * buffer with '"') AND we had a count before the operator, then that
730 * count overrides the current value of ca.count0.
731 * What this means effectively, is that commands like "3dw" get turned
732 * into "d3w" which makes things fall into place pretty neatly.
733 * If you give a count before AND after the operator, they are multiplied.
734 */
735 if (ca.opcount != 0)
736 {
737 if (ca.count0)
738 ca.count0 *= ca.opcount;
739 else
740 ca.count0 = ca.opcount;
741 }
742
743 /*
744 * Always remember the count. It will be set to zero (on the next call,
745 * above) when there is no pending operator.
746 * When called from main(), save the count for use by the "count" built-in
747 * variable.
748 */
749 ca.opcount = ca.count0;
750 ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
751
752#ifdef FEAT_EVAL
753 /*
754 * Only set v:count when called from main() and not a stuffed command.
755 */
756 if (toplevel && stuff_empty())
757 set_vcount(ca.count0, ca.count1);
758#endif
759
760 /*
761 * Find the command character in the table of commands.
762 * For CTRL-W we already got nchar when looking for a count.
763 */
764 if (ctrl_w)
765 {
766 ca.nchar = c;
767 ca.cmdchar = Ctrl_W;
768 }
769 else
770 ca.cmdchar = c;
771 idx = find_command(ca.cmdchar);
772 if (idx < 0)
773 {
774 /* Not a known command: beep. */
775 clearopbeep(oap);
776 goto normal_end;
777 }
778#ifdef FEAT_CMDWIN
779 if (cmdwin_type != 0 && (nv_cmds[idx].cmd_flags & NV_NCW))
780 {
781 /* This command is not allowed in the cmdline window: beep. */
782 clearopbeep(oap);
783 EMSG(_(e_cmdwin));
784 goto normal_end;
785 }
786#endif
787
788#ifdef FEAT_VISUAL
789 /*
790 * In Visual/Select mode, a few keys are handled in a special way.
791 */
792 if (VIsual_active)
793 {
794 /* when 'keymodel' contains "stopsel" may stop Select/Visual mode */
795 if (km_stopsel
796 && (nv_cmds[idx].cmd_flags & NV_STS)
797 && !(mod_mask & MOD_MASK_SHIFT))
798 {
799 end_visual_mode();
800 redraw_curbuf_later(INVERTED);
801 }
802
803 /* Keys that work different when 'keymodel' contains "startsel" */
804 if (km_startsel)
805 {
806 if (nv_cmds[idx].cmd_flags & NV_SS)
807 {
808 unshift_special(&ca);
809 idx = find_command(ca.cmdchar);
810 }
811 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
812 && (mod_mask & MOD_MASK_SHIFT))
813 {
814 mod_mask &= ~MOD_MASK_SHIFT;
815 }
816 }
817 }
818#endif
819
820#ifdef FEAT_RIGHTLEFT
821 if (curwin->w_p_rl && KeyTyped && !KeyStuffed
822 && (nv_cmds[idx].cmd_flags & NV_RL))
823 {
824 /* Invert horizontal movements and operations. Only when typed by the
825 * user directly, not when the result of a mapping or "x" translated
826 * to "dl". */
827 switch (ca.cmdchar)
828 {
829 case 'l': ca.cmdchar = 'h'; break;
830 case K_RIGHT: ca.cmdchar = K_LEFT; break;
831 case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
832 case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
833 case 'h': ca.cmdchar = 'l'; break;
834 case K_LEFT: ca.cmdchar = K_RIGHT; break;
835 case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break;
836 case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break;
837 case '>': ca.cmdchar = '<'; break;
838 case '<': ca.cmdchar = '>'; break;
839 }
840 idx = find_command(ca.cmdchar);
841 }
842#endif
843
844 /*
845 * Get an additional character if we need one.
846 */
847 if ((nv_cmds[idx].cmd_flags & NV_NCH)
848 && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
849 && oap->op_type == OP_NOP)
850 || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
851 || (ca.cmdchar == 'q'
852 && oap->op_type == OP_NOP
853 && !Recording
854 && !Exec_reg)
855 || ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
856 && (oap->op_type != OP_NOP
857#ifdef FEAT_VISUAL
858 || VIsual_active
859#endif
860 ))))
861 {
862 int *cp;
863 int repl = FALSE; /* get character for replace mode */
864 int lit = FALSE; /* get extra character literally */
865 int langmap_active = FALSE; /* using :lmap mappings */
866 int lang; /* getting a text character */
867#ifdef USE_IM_CONTROL
868 int save_smd; /* saved value of p_smd */
869#endif
870
871 ++no_mapping;
872 ++allow_keys; /* no mapping for nchar, but allow key codes */
873 if (ca.cmdchar == 'g')
874 {
875 /*
876 * For 'g' get the next character now, so that we can check for
877 * "gr", "g'" and "g`".
878 */
879 ca.nchar = safe_vgetc();
880#ifdef FEAT_LANGMAP
881 LANGMAP_ADJUST(ca.nchar, TRUE);
882#endif
883#ifdef FEAT_CMDL_INFO
884 need_flushbuf |= add_to_showcmd(ca.nchar);
885#endif
886 if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
887 || ca.nchar == Ctrl_BSL)
888 {
889 cp = &ca.extra_char; /* need to get a third character */
890 if (ca.nchar != 'r')
891 lit = TRUE; /* get it literally */
892 else
893 repl = TRUE; /* get it in replace mode */
894 }
895 else
896 cp = NULL; /* no third character needed */
897 }
898 else
899 {
900 if (ca.cmdchar == 'r') /* get it in replace mode */
901 repl = TRUE;
902 cp = &ca.nchar;
903 }
904 lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
905
906 /*
907 * Get a second or third character.
908 */
909 if (cp != NULL)
910 {
911#ifdef CURSOR_SHAPE
912 if (repl)
913 {
914 State = REPLACE; /* pretend Replace mode */
915 ui_cursor_shape(); /* show different cursor shape */
916 }
917#endif
918 if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
919 {
920 /* Allow mappings defined with ":lmap". */
921 --no_mapping;
922 --allow_keys;
923 if (repl)
924 State = LREPLACE;
925 else
926 State = LANGMAP;
927 langmap_active = TRUE;
928 }
929#ifdef USE_IM_CONTROL
930 save_smd = p_smd;
931 p_smd = FALSE; /* Don't let the IM code show the mode here */
932 if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
933 im_set_active(TRUE);
934#endif
935
936 *cp = safe_vgetc();
937
938 if (langmap_active)
939 {
940 /* Undo the decrement done above */
941 ++no_mapping;
942 ++allow_keys;
943 State = NORMAL_BUSY;
944 }
945#ifdef USE_IM_CONTROL
946 if (lang)
947 {
948 if (curbuf->b_p_iminsert != B_IMODE_LMAP)
949 im_save_status(&curbuf->b_p_iminsert);
950 im_set_active(FALSE);
951 }
952 p_smd = save_smd;
953#endif
954#ifdef CURSOR_SHAPE
955 State = NORMAL_BUSY;
956#endif
957#ifdef FEAT_CMDL_INFO
958 need_flushbuf |= add_to_showcmd(*cp);
959#endif
960
961 if (!lit)
962 {
963#ifdef FEAT_DIGRAPHS
964 /* Typing CTRL-K gets a digraph. */
965 if (*cp == Ctrl_K
966 && ((nv_cmds[idx].cmd_flags & NV_LANG)
967 || cp == &ca.extra_char)
968 && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
969 {
970 c = get_digraph(FALSE);
971 if (c > 0)
972 {
973 *cp = c;
974# ifdef FEAT_CMDL_INFO
975 /* Guessing how to update showcmd here... */
976 del_from_showcmd(3);
977 need_flushbuf |= add_to_showcmd(*cp);
978# endif
979 }
980 }
981#endif
982
983#ifdef FEAT_LANGMAP
984 /* adjust chars > 127, except after "tTfFr" commands */
985 LANGMAP_ADJUST(*cp, !lang);
986#endif
987#ifdef FEAT_RIGHTLEFT
988 /* adjust Hebrew mapped char */
989 if (p_hkmap && lang && KeyTyped)
990 *cp = hkmap(*cp);
991# ifdef FEAT_FKMAP
992 /* adjust Farsi mapped char */
993 if (p_fkmap && lang && KeyTyped)
994 *cp = fkmap(*cp);
995# endif
996#endif
997 }
998
999 /*
1000 * When the next character is CTRL-\ a following CTRL-N means the
1001 * command is aborted and we go to Normal mode.
1002 */
1003 if (cp == &ca.extra_char
1004 && ca.nchar == Ctrl_BSL
1005 && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G))
1006 {
1007 ca.cmdchar = Ctrl_BSL;
1008 ca.nchar = ca.extra_char;
1009 idx = find_command(ca.cmdchar);
1010 }
1011 else if (*cp == Ctrl_BSL)
1012 {
1013 long towait = (p_ttm >= 0 ? p_ttm : p_tm);
1014
1015 /* There is a busy wait here when typing "f<C-\>" and then
1016 * something different from CTRL-N. Can't be avoided. */
1017 while ((c = vpeekc()) <= 0 && towait > 0L)
1018 {
1019 do_sleep(towait > 50L ? 50L : towait);
1020 towait -= 50L;
1021 }
1022 if (c > 0)
1023 {
1024 c = safe_vgetc();
1025 if (c != Ctrl_N && c != Ctrl_G)
1026 vungetc(c);
1027 else
1028 {
1029 ca.cmdchar = Ctrl_BSL;
1030 ca.nchar = c;
1031 idx = find_command(ca.cmdchar);
1032 }
1033 }
1034 }
1035
1036#ifdef FEAT_MBYTE
1037 /* When getting a text character and the next character is a
1038 * multi-byte character, it could be a composing character.
1039 * However, don't wait for it to arrive. */
1040 while (enc_utf8 && lang && (c = vpeekc()) > 0
1041 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
1042 {
1043 c = safe_vgetc();
1044 if (!utf_iscomposing(c))
1045 {
1046 vungetc(c); /* it wasn't, put it back */
1047 break;
1048 }
1049 else if (ca.ncharC1 == 0)
1050 ca.ncharC1 = c;
1051 else
1052 ca.ncharC2 = c;
1053 }
1054#endif
1055 }
1056 --no_mapping;
1057 --allow_keys;
1058 }
1059
1060#ifdef FEAT_CMDL_INFO
1061 /*
1062 * Flush the showcmd characters onto the screen so we can see them while
1063 * the command is being executed. Only do this when the shown command was
1064 * actually displayed, otherwise this will slow down a lot when executing
1065 * mappings.
1066 */
1067 if (need_flushbuf)
1068 out_flush();
1069#endif
1070
1071 State = NORMAL;
1072
1073 if (ca.nchar == ESC)
1074 {
1075 clearop(oap);
1076 if (restart_edit == 0 && goto_im())
1077 restart_edit = 'a';
1078 goto normal_end;
1079 }
1080
1081 msg_didout = FALSE; /* don't scroll screen up for normal command */
1082 msg_col = 0;
1083
1084#ifdef FEAT_VISUAL
1085 old_pos = curwin->w_cursor; /* remember where cursor was */
1086
1087 /* When 'keymodel' contains "startsel" some keys start Select/Visual
1088 * mode. */
1089 if (!VIsual_active && km_startsel)
1090 {
1091 if (nv_cmds[idx].cmd_flags & NV_SS)
1092 {
1093 start_selection();
1094 unshift_special(&ca);
1095 idx = find_command(ca.cmdchar);
1096 }
1097 else if ((nv_cmds[idx].cmd_flags & NV_SSS)
1098 && (mod_mask & MOD_MASK_SHIFT))
1099 {
1100 start_selection();
1101 mod_mask &= ~MOD_MASK_SHIFT;
1102 }
1103 }
1104#endif
1105
1106 /*
1107 * Execute the command!
1108 * Call the command function found in the commands table.
1109 */
1110 ca.arg = nv_cmds[idx].cmd_arg;
1111 (nv_cmds[idx].cmd_func)(&ca);
1112
1113 /*
1114 * If we didn't start or finish an operator, reset oap->regname, unless we
1115 * need it later.
1116 */
1117 if (!finish_op
1118 && !oap->op_type
1119 && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
1120 {
1121 clearop(oap);
1122#ifdef FEAT_EVAL
1123 set_reg_var('"');
1124#endif
1125 }
1126
1127 /*
1128 * If an operation is pending, handle it...
1129 */
1130 do_pending_operator(&ca, old_col, FALSE);
1131
1132 /*
1133 * Wait for a moment when a message is displayed that will be overwritten
1134 * by the mode message.
1135 * In Visual mode and with "^O" in Insert mode, a short message will be
1136 * overwritten by the mode message. Wait a bit, until a key is hit.
1137 * In Visual mode, it's more important to keep the Visual area updated
1138 * than keeping a message (e.g. from a /pat search).
1139 * Only do this if the command was typed, not from a mapping.
1140 * Don't wait when emsg_silent is non-zero.
1141 * Also wait a bit after an error message, e.g. for "^O:".
1142 * Don't redraw the screen, it would remove the message.
1143 */
1144 if ( ((p_smd
1145 && (restart_edit != 0
1146#ifdef FEAT_VISUAL
1147 || (VIsual_active
1148 && old_pos.lnum == curwin->w_cursor.lnum
1149 && old_pos.col == curwin->w_cursor.col)
1150#endif
1151 )
1152 && (clear_cmdline
1153 || redraw_cmdline)
1154 && (msg_didout || (msg_didany && msg_scroll))
1155 && !msg_nowait
1156 && KeyTyped)
1157 || (restart_edit != 0
1158#ifdef FEAT_VISUAL
1159 && !VIsual_active
1160#endif
1161 && (msg_scroll
1162 || emsg_on_display)))
1163 && oap->regname == 0
1164 && !(ca.retval & CA_COMMAND_BUSY)
1165 && stuff_empty()
1166 && typebuf_typed()
1167 && emsg_silent == 0
1168 && !did_wait_return
1169 && oap->op_type == OP_NOP)
1170 {
1171 int save_State = State;
1172
1173 /* Draw the cursor with the right shape here */
1174 if (restart_edit != 0)
1175 State = INSERT;
1176
1177 /* If need to redraw, and there is a "keep_msg", redraw before the
1178 * delay */
1179 if (must_redraw && keep_msg != NULL && !emsg_on_display)
1180 {
1181 char_u *kmsg;
1182
1183 kmsg = keep_msg;
1184 keep_msg = NULL;
1185 /* showmode() will clear keep_msg, but we want to use it anyway */
1186 update_screen(0);
1187 /* now reset it, otherwise it's put in the history again */
1188 keep_msg = kmsg;
1189 msg_attr(kmsg, keep_msg_attr);
1190 vim_free(kmsg);
1191 }
1192 setcursor();
1193 cursor_on();
1194 out_flush();
1195 if (msg_scroll || emsg_on_display)
1196 ui_delay(1000L, TRUE); /* wait at least one second */
1197 ui_delay(3000L, FALSE); /* wait up to three seconds */
1198 State = save_State;
1199
1200 msg_scroll = FALSE;
1201 emsg_on_display = FALSE;
1202 }
1203
1204 /*
1205 * Finish up after executing a Normal mode command.
1206 */
1207normal_end:
1208
1209 msg_nowait = FALSE;
1210
1211 /* Reset finish_op, in case it was set */
1212#ifdef CURSOR_SHAPE
1213 c = finish_op;
1214#endif
1215 finish_op = FALSE;
1216#ifdef CURSOR_SHAPE
1217 /* Redraw the cursor with another shape, if we were in Operator-pending
1218 * mode or did a replace command. */
1219 if (c || ca.cmdchar == 'r')
1220 {
1221 ui_cursor_shape(); /* may show different cursor shape */
1222# ifdef FEAT_MOUSESHAPE
1223 update_mouseshape(-1);
1224# endif
1225 }
1226#endif
1227
1228#ifdef FEAT_CMDL_INFO
1229 if (oap->op_type == OP_NOP && oap->regname == 0)
1230 clear_showcmd();
1231#endif
1232
1233 checkpcmark(); /* check if we moved since setting pcmark */
1234 vim_free(ca.searchbuf);
1235
1236#ifdef FEAT_MBYTE
1237 if (has_mbyte)
1238 mb_adjust_cursor();
1239#endif
1240
1241#ifdef FEAT_SCROLLBIND
1242 if (curwin->w_p_scb && toplevel)
1243 {
1244 validate_cursor(); /* may need to update w_leftcol */
1245 do_check_scrollbind(TRUE);
1246 }
1247#endif
1248
1249 /*
1250 * May restart edit(), if we got here with CTRL-O in Insert mode (but not
1251 * if still inside a mapping that started in Visual mode).
1252 * May switch from Visual to Select mode after CTRL-O command.
1253 */
1254 if ( oap->op_type == OP_NOP
1255#ifdef FEAT_VISUAL
1256 && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
1257 || restart_VIsual_select == 1)
1258#endif
1259 && !(ca.retval & CA_COMMAND_BUSY)
1260 && stuff_empty()
1261 && oap->regname == 0)
1262 {
1263#ifdef FEAT_VISUAL
1264 if (restart_VIsual_select == 1)
1265 {
1266 VIsual_select = TRUE;
1267 showmode();
1268 restart_VIsual_select = 0;
1269 }
1270#endif
1271 if (restart_edit != 0
1272#ifdef FEAT_VISUAL
1273 && !VIsual_active
1274#endif
1275 && old_mapped_len == 0)
1276 (void)edit(restart_edit, FALSE, 1L);
1277 }
1278
1279#ifdef FEAT_VISUAL
1280 if (restart_VIsual_select == 2)
1281 restart_VIsual_select = 1;
1282#endif
1283
1284 /* Save count before an operator for next time. */
1285 opcount = ca.opcount;
1286}
1287
1288/*
1289 * Handle an operator after visual mode or when the movement is finished
1290 */
1291 void
1292do_pending_operator(cap, old_col, gui_yank)
1293 cmdarg_T *cap;
1294 int old_col;
1295 int gui_yank;
1296{
1297 oparg_T *oap = cap->oap;
1298 pos_T old_cursor;
1299 int empty_region_error;
1300 int restart_edit_save;
1301
1302#ifdef FEAT_VISUAL
1303 /* The visual area is remembered for redo */
1304 static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
1305 static linenr_T redo_VIsual_line_count; /* number of lines */
1306 static colnr_T redo_VIsual_col; /* number of cols or end column */
1307 static long redo_VIsual_count; /* count for Visual operator */
1308# ifdef FEAT_VIRTUALEDIT
1309 int include_line_break = FALSE;
1310# endif
1311#endif
1312
1313#if defined(FEAT_CLIPBOARD)
1314 /*
1315 * Yank the visual area into the GUI selection register before we operate
1316 * on it and lose it forever.
1317 * Don't do it if a specific register was specified, so that ""x"*P works.
1318 * This could call do_pending_operator() recursively, but that's OK
1319 * because gui_yank will be TRUE for the nested call.
1320 */
1321 if (clip_star.available
1322 && oap->op_type != OP_NOP
1323 && !gui_yank
1324# ifdef FEAT_VISUAL
1325 && VIsual_active
1326 && !redo_VIsual_busy
1327# endif
1328 && oap->regname == 0)
1329 clip_auto_select();
1330#endif
1331 old_cursor = curwin->w_cursor;
1332
1333 /*
1334 * If an operation is pending, handle it...
1335 */
1336 if ((finish_op
1337#ifdef FEAT_VISUAL
1338 || VIsual_active
1339#endif
1340 ) && oap->op_type != OP_NOP)
1341 {
1342#ifdef FEAT_VISUAL
1343 oap->is_VIsual = VIsual_active;
1344 if (oap->motion_force == 'V')
1345 oap->motion_type = MLINE;
1346 else if (oap->motion_force == 'v')
1347 {
1348 /* If the motion was linewise, "inclusive" will not have been set.
1349 * Use "exclusive" to be consistent. Makes "dvj" work nice. */
1350 if (oap->motion_type == MLINE)
1351 oap->inclusive = FALSE;
1352 /* If the motion already was characterwise, toggle "inclusive" */
1353 else if (oap->motion_type == MCHAR)
1354 oap->inclusive = !oap->inclusive;
1355 oap->motion_type = MCHAR;
1356 }
1357 else if (oap->motion_force == Ctrl_V)
1358 {
1359 /* Change line- or characterwise motion into Visual block mode. */
1360 VIsual_active = TRUE;
1361 VIsual = oap->start;
1362 VIsual_mode = Ctrl_V;
1363 VIsual_select = FALSE;
1364 VIsual_reselect = FALSE;
1365 }
1366#endif
1367
1368 /* only redo yank when 'y' flag is in 'cpoptions' */
1369 /* never redo "zf" (define fold) */
1370 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1371#ifdef FEAT_VISUAL
1372 && (!VIsual_active || oap->motion_force)
1373#endif
1374#ifdef FEAT_FOLDING
1375 && oap->op_type != OP_FOLD
1376 && oap->op_type != OP_FOLDOPEN
1377 && oap->op_type != OP_FOLDOPENREC
1378 && oap->op_type != OP_FOLDCLOSE
1379 && oap->op_type != OP_FOLDCLOSEREC
1380 && oap->op_type != OP_FOLDDEL
1381 && oap->op_type != OP_FOLDDELREC
1382#endif
1383 )
1384 {
1385 prep_redo(oap->regname, cap->count0,
1386 get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
1387 oap->motion_force, cap->cmdchar, cap->nchar);
1388 if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */
1389 {
1390 /*
1391 * If 'cpoptions' does not contain 'r', insert the search
1392 * pattern to really repeat the same command.
1393 */
1394 if (vim_strchr(p_cpo, CPO_REDO) == NULL)
1395 AppendToRedobuffLit(cap->searchbuf);
1396 AppendToRedobuff(NL_STR);
1397 }
1398 else if (cap->cmdchar == ':')
1399 {
1400 /* do_cmdline() has stored the first typed line in
1401 * "repeat_cmdline". When several lines are typed repeating
1402 * won't be possible. */
1403 if (repeat_cmdline == NULL)
1404 ResetRedobuff();
1405 else
1406 {
1407 AppendToRedobuffLit(repeat_cmdline);
1408 AppendToRedobuff(NL_STR);
1409 vim_free(repeat_cmdline);
1410 repeat_cmdline = NULL;
1411 }
1412 }
1413 }
1414
1415#ifdef FEAT_VISUAL
1416 if (redo_VIsual_busy)
1417 {
1418 oap->start = curwin->w_cursor;
1419 curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
1420 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1421 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1422 VIsual_mode = redo_VIsual_mode;
1423 if (VIsual_mode == 'v')
1424 {
1425 if (redo_VIsual_line_count <= 1)
1426 curwin->w_cursor.col += redo_VIsual_col - 1;
1427 else
1428 curwin->w_cursor.col = redo_VIsual_col;
1429 }
1430 if (redo_VIsual_col == MAXCOL)
1431 {
1432 curwin->w_curswant = MAXCOL;
1433 coladvance((colnr_T)MAXCOL);
1434 }
1435 cap->count0 = redo_VIsual_count;
1436 if (redo_VIsual_count != 0)
1437 cap->count1 = redo_VIsual_count;
1438 else
1439 cap->count1 = 1;
1440 }
1441 else if (VIsual_active)
1442 {
1443 /* Save the current VIsual area for '< and '> marks, and "gv" */
1444 curbuf->b_visual_start = VIsual;
1445 curbuf->b_visual_end = curwin->w_cursor;
1446 curbuf->b_visual_mode = VIsual_mode;
1447# ifdef FEAT_EVAL
1448 curbuf->b_visual_mode_eval = VIsual_mode;
1449# endif
1450 curbuf->b_visual_curswant = curwin->w_curswant;
1451
1452 /* In Select mode, a linewise selection is operated upon like a
1453 * characterwise selection. */
1454 if (VIsual_select && VIsual_mode == 'V')
1455 {
1456 if (lt(VIsual, curwin->w_cursor))
1457 {
1458 VIsual.col = 0;
1459 curwin->w_cursor.col =
1460 (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
1461 }
1462 else
1463 {
1464 curwin->w_cursor.col = 0;
1465 VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
1466 }
1467 VIsual_mode = 'v';
1468 }
1469 /* If 'selection' is "exclusive", backup one character for
1470 * charwise selections. */
1471 else if (VIsual_mode == 'v')
1472 {
1473# ifdef FEAT_VIRTUALEDIT
1474 include_line_break =
1475# endif
1476 unadjust_for_sel();
1477 }
1478
1479 oap->start = VIsual;
1480 if (VIsual_mode == 'V')
1481 oap->start.col = 0;
1482 }
1483#endif /* FEAT_VISUAL */
1484
1485 /*
1486 * Set oap->start to the first position of the operated text, oap->end
1487 * to the end of the operated text. w_cursor is equal to oap->start.
1488 */
1489 if (lt(oap->start, curwin->w_cursor))
1490 {
1491#ifdef FEAT_FOLDING
1492 /* Include folded lines completely. */
1493 if (!VIsual_active)
1494 {
1495 if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
1496 oap->start.col = 0;
1497 if (hasFolding(curwin->w_cursor.lnum, NULL,
1498 &curwin->w_cursor.lnum))
1499 curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline());
1500 }
1501#endif
1502 oap->end = curwin->w_cursor;
1503 curwin->w_cursor = oap->start;
1504
1505 /* w_virtcol may have been updated; if the cursor goes back to its
1506 * previous position w_virtcol becomes invalid and isn't updated
1507 * automatically. */
1508 curwin->w_valid &= ~VALID_VIRTCOL;
1509 }
1510 else
1511 {
1512#ifdef FEAT_FOLDING
1513 /* Include folded lines completely. */
1514 if (!VIsual_active && oap->motion_type == MLINE)
1515 {
1516 if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
1517 NULL))
1518 curwin->w_cursor.col = 0;
1519 if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
1520 oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
1521 }
1522#endif
1523 oap->end = oap->start;
1524 oap->start = curwin->w_cursor;
1525 }
1526
1527 oap->line_count = oap->end.lnum - oap->start.lnum + 1;
1528
1529#ifdef FEAT_VIRTUALEDIT
1530 /* Set "virtual_op" before resetting VIsual_active. */
1531 virtual_op = virtual_active();
1532#endif
1533
1534#ifdef FEAT_VISUAL
1535 if (VIsual_active || redo_VIsual_busy)
1536 {
1537 if (VIsual_mode == Ctrl_V) /* block mode */
1538 {
1539 colnr_T start, end;
1540
1541 oap->block_mode = TRUE;
1542
1543 getvvcol(curwin, &(oap->start),
1544 &oap->start_vcol, NULL, &oap->end_vcol);
1545 if (!redo_VIsual_busy)
1546 {
1547 getvvcol(curwin, &(oap->end), &start, NULL, &end);
1548
1549 if (start < oap->start_vcol)
1550 oap->start_vcol = start;
1551 if (end > oap->end_vcol)
1552 {
1553 if (*p_sel == 'e' && start >= 1
1554 && start - 1 >= oap->end_vcol)
1555 oap->end_vcol = start - 1;
1556 else
1557 oap->end_vcol = end;
1558 }
1559 }
1560
1561 /* if '$' was used, get oap->end_vcol from longest line */
1562 if (curwin->w_curswant == MAXCOL)
1563 {
1564 curwin->w_cursor.col = MAXCOL;
1565 oap->end_vcol = 0;
1566 for (curwin->w_cursor.lnum = oap->start.lnum;
1567 curwin->w_cursor.lnum <= oap->end.lnum;
1568 ++curwin->w_cursor.lnum)
1569 {
1570 getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
1571 if (end > oap->end_vcol)
1572 oap->end_vcol = end;
1573 }
1574 }
1575 else if (redo_VIsual_busy)
1576 oap->end_vcol = oap->start_vcol + redo_VIsual_col - 1;
1577 /*
1578 * Correct oap->end.col and oap->start.col to be the
1579 * upper-left and lower-right corner of the block area.
1580 *
1581 * (Actually, this does convert column positions into character
1582 * positions)
1583 */
1584 curwin->w_cursor.lnum = oap->end.lnum;
1585 coladvance(oap->end_vcol);
1586 oap->end = curwin->w_cursor;
1587
1588 curwin->w_cursor = oap->start;
1589 coladvance(oap->start_vcol);
1590 oap->start = curwin->w_cursor;
1591 }
1592
1593 if (!redo_VIsual_busy && !gui_yank)
1594 {
1595 /*
1596 * Prepare to reselect and redo Visual: this is based on the
1597 * size of the Visual text
1598 */
1599 resel_VIsual_mode = VIsual_mode;
1600 if (curwin->w_curswant == MAXCOL)
1601 resel_VIsual_col = MAXCOL;
1602 else if (VIsual_mode == Ctrl_V)
1603 resel_VIsual_col = oap->end_vcol - oap->start_vcol + 1;
1604 else if (oap->line_count > 1)
1605 resel_VIsual_col = oap->end.col;
1606 else
1607 resel_VIsual_col = oap->end.col - oap->start.col + 1;
1608 resel_VIsual_line_count = oap->line_count;
1609 }
1610
1611 /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
1612 if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
1613 && oap->op_type != OP_COLON
1614#ifdef FEAT_FOLDING
1615 && oap->op_type != OP_FOLD
1616 && oap->op_type != OP_FOLDOPEN
1617 && oap->op_type != OP_FOLDOPENREC
1618 && oap->op_type != OP_FOLDCLOSE
1619 && oap->op_type != OP_FOLDCLOSEREC
1620 && oap->op_type != OP_FOLDDEL
1621 && oap->op_type != OP_FOLDDELREC
1622#endif
1623 && oap->motion_force == NUL
1624 )
1625 {
1626 /* Prepare for redoing. Only use the nchar field for "r",
1627 * otherwise it might be the second char of the operator. */
1628 prep_redo(oap->regname, 0L, NUL, 'v',
1629 get_op_char(oap->op_type),
1630 get_extra_op_char(oap->op_type),
1631 oap->op_type == OP_REPLACE ? cap->nchar : NUL);
1632 if (!redo_VIsual_busy)
1633 {
1634 redo_VIsual_mode = resel_VIsual_mode;
1635 redo_VIsual_col = resel_VIsual_col;
1636 redo_VIsual_line_count = resel_VIsual_line_count;
1637 redo_VIsual_count = cap->count0;
1638 }
1639 }
1640
1641 /*
1642 * oap->inclusive defaults to TRUE.
1643 * If oap->end is on a NUL (empty line) oap->inclusive becomes
1644 * FALSE. This makes "d}P" and "v}dP" work the same.
1645 */
1646 if (oap->motion_force == NUL || oap->motion_type == MLINE)
1647 oap->inclusive = TRUE;
1648 if (VIsual_mode == 'V')
1649 oap->motion_type = MLINE;
1650 else
1651 {
1652 oap->motion_type = MCHAR;
1653 if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
1654# ifdef FEAT_VIRTUALEDIT
1655 && (include_line_break || !virtual_op)
1656# endif
1657 )
1658 {
1659 oap->inclusive = FALSE;
1660 /* Try to include the newline, unless it's an operator
1661 * that works on lines only */
1662 if (*p_sel != 'o'
1663 && !op_on_lines(oap->op_type)
1664 && oap->end.lnum < curbuf->b_ml.ml_line_count)
1665 {
1666 ++oap->end.lnum;
1667 oap->end.col = 0;
1668# ifdef FEAT_VIRTUALEDIT
1669 oap->end.coladd = 0;
1670# endif
1671 ++oap->line_count;
1672 }
1673 }
1674 }
1675
1676 redo_VIsual_busy = FALSE;
1677 /*
1678 * Switch Visual off now, so screen updating does
1679 * not show inverted text when the screen is redrawn.
1680 * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
1681 * no screen redraw, so it is done here to remove the inverted
1682 * part.
1683 */
1684 if (!gui_yank)
1685 {
1686 VIsual_active = FALSE;
1687# ifdef FEAT_MOUSE
1688 setmouse();
1689 mouse_dragging = 0;
1690# endif
1691 if (p_smd)
1692 clear_cmdline = TRUE; /* unshow visual mode later */
1693#ifdef FEAT_CMDL_INFO
1694 else
1695 clear_showcmd();
1696#endif
1697 if ((oap->op_type == OP_YANK
1698 || oap->op_type == OP_COLON
1699 || oap->op_type == OP_FILTER)
1700 && oap->motion_force == NUL)
1701 redraw_curbuf_later(INVERTED);
1702 }
1703 }
1704#endif
1705
1706#ifdef FEAT_MBYTE
1707 /* Include the trailing byte of a multi-byte char. */
1708 if (has_mbyte && oap->inclusive)
1709 {
1710 int l;
1711
1712 l = (*mb_ptr2len_check)(ml_get_pos(&oap->end));
1713 if (l > 1)
1714 oap->end.col += l - 1;
1715 }
1716#endif
1717 curwin->w_set_curswant = TRUE;
1718
1719 /*
1720 * oap->empty is set when start and end are the same. The inclusive
1721 * flag affects this too, unless yanking and the end is on a NUL.
1722 */
1723 oap->empty = (oap->motion_type == MCHAR
1724 && (!oap->inclusive
1725 || (oap->op_type == OP_YANK
1726 && gchar_pos(&oap->end) == NUL))
1727 && equalpos(oap->start, oap->end)
1728#ifdef FEAT_VIRTUALEDIT
1729 && !(virtual_op && oap->start.coladd != oap->end.coladd)
1730#endif
1731 );
1732 /*
1733 * For delete, change and yank, it's an error to operate on an
1734 * empty region, when 'E' included in 'cpoptions' (Vi compatible).
1735 */
1736 empty_region_error = (oap->empty
1737 && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
1738
1739#ifdef FEAT_VISUAL
1740 /* Force a redraw when operating on an empty Visual region, when
1741 * 'modifiable is off or creating a fold. */
1742 if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
1743# ifdef FEAT_FOLDING
1744 || oap->op_type == OP_FOLD
1745# endif
1746 ))
1747 redraw_curbuf_later(INVERTED);
1748#endif
1749
1750 /*
1751 * If the end of an operator is in column one while oap->motion_type
1752 * is MCHAR and oap->inclusive is FALSE, we put op_end after the last
1753 * character in the previous line. If op_start is on or before the
1754 * first non-blank in the line, the operator becomes linewise
1755 * (strange, but that's the way vi does it).
1756 */
1757 if ( oap->motion_type == MCHAR
1758 && oap->inclusive == FALSE
1759 && !(cap->retval & CA_NO_ADJ_OP_END)
1760 && oap->end.col == 0
1761#ifdef FEAT_VISUAL
1762 && (!oap->is_VIsual || *p_sel == 'o')
1763#endif
1764 && oap->line_count > 1)
1765 {
1766 oap->end_adjusted = TRUE; /* remember that we did this */
1767 --oap->line_count;
1768 --oap->end.lnum;
1769 if (inindent(0))
1770 oap->motion_type = MLINE;
1771 else
1772 {
1773 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
1774 if (oap->end.col)
1775 {
1776 --oap->end.col;
1777 oap->inclusive = TRUE;
1778 }
1779 }
1780 }
1781 else
1782 oap->end_adjusted = FALSE;
1783
1784 switch (oap->op_type)
1785 {
1786 case OP_LSHIFT:
1787 case OP_RSHIFT:
1788 op_shift(oap, TRUE,
1789#ifdef FEAT_VISUAL
1790 oap->is_VIsual ? (int)cap->count1 :
1791#endif
1792 1);
1793 auto_format(FALSE, TRUE);
1794 break;
1795
1796 case OP_JOIN_NS:
1797 case OP_JOIN:
1798 if (oap->line_count < 2)
1799 oap->line_count = 2;
1800 if (curwin->w_cursor.lnum + oap->line_count - 1 >
1801 curbuf->b_ml.ml_line_count)
1802 beep_flush();
1803 else
1804 {
1805 do_do_join(oap->line_count, oap->op_type == OP_JOIN);
1806 auto_format(FALSE, TRUE);
1807 }
1808 break;
1809
1810 case OP_DELETE:
1811#ifdef FEAT_VISUAL
1812 VIsual_reselect = FALSE; /* don't reselect now */
1813#endif
1814 if (empty_region_error)
1815 vim_beep();
1816 else
1817 {
1818 (void)op_delete(oap);
1819 if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
1820 u_save_cursor(); /* cursor line wasn't saved yet */
1821 auto_format(FALSE, TRUE);
1822 }
1823 break;
1824
1825 case OP_YANK:
1826 if (empty_region_error)
1827 {
1828 if (!gui_yank)
1829 vim_beep();
1830 }
1831 else
1832 (void)op_yank(oap, FALSE, !gui_yank);
1833 check_cursor_col();
1834 break;
1835
1836 case OP_CHANGE:
1837#ifdef FEAT_VISUAL
1838 VIsual_reselect = FALSE; /* don't reselect now */
1839#endif
1840 if (empty_region_error)
1841 vim_beep();
1842 else
1843 {
1844 /* This is a new edit command, not a restart. Need to
1845 * remember it to make 'insertmode' work with mappings for
1846 * Visual mode. But do this only once and not when typed and
1847 * 'insertmode' isn't set. */
1848 if (p_im || !KeyTyped)
1849 restart_edit_save = restart_edit;
1850 else
1851 restart_edit_save = 0;
1852 restart_edit = 0;
1853 /* Reset finish_op now, don't want it set inside edit(). */
1854 finish_op = FALSE;
1855 if (op_change(oap)) /* will call edit() */
1856 cap->retval |= CA_COMMAND_BUSY;
1857 if (restart_edit == 0)
1858 restart_edit = restart_edit_save;
1859 }
1860 break;
1861
1862 case OP_FILTER:
1863 if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
1864 AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
1865 else
1866 bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
1867
1868 case OP_INDENT:
1869 case OP_COLON:
1870
1871#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
1872 /*
1873 * If 'equalprg' is empty, do the indenting internally.
1874 */
1875 if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
1876 {
1877# ifdef FEAT_LISP
1878 if (curbuf->b_p_lisp)
1879 {
1880 op_reindent(oap, get_lisp_indent);
1881 break;
1882 }
1883# endif
1884# ifdef FEAT_CINDENT
1885 op_reindent(oap,
1886# ifdef FEAT_EVAL
1887 *curbuf->b_p_inde != NUL ? get_expr_indent :
1888# endif
1889 get_c_indent);
1890 break;
1891# endif
1892 }
1893#endif
1894
1895 op_colon(oap);
1896 break;
1897
1898 case OP_TILDE:
1899 case OP_UPPER:
1900 case OP_LOWER:
1901 case OP_ROT13:
1902 if (empty_region_error)
1903 vim_beep();
1904 else
1905 op_tilde(oap);
1906 check_cursor_col();
1907 break;
1908
1909 case OP_FORMAT:
1910 if (*p_fp != NUL)
1911 op_colon(oap); /* use external command */
1912 else
1913 op_format(oap, FALSE); /* use internal function */
1914 break;
1915
1916 case OP_FORMAT2:
1917 op_format(oap, TRUE); /* use internal function */
1918 break;
1919
1920 case OP_INSERT:
1921 case OP_APPEND:
1922#ifdef FEAT_VISUAL
1923 VIsual_reselect = FALSE; /* don't reselect now */
1924#endif
1925#ifdef FEAT_VISUALEXTRA
1926 if (empty_region_error)
1927 vim_beep();
1928 else
1929 {
1930 /* This is a new edit command, not a restart. Need to
1931 * remember it to make 'insertmode' work with mappings for
1932 * Visual mode. But do this only once. */
1933 restart_edit_save = restart_edit;
1934 restart_edit = 0;
1935
1936 op_insert(oap, cap->count1);
1937
1938 /* TODO: when inserting in several lines, should format all
1939 * the lines. */
1940 auto_format(FALSE, TRUE);
1941
1942 if (restart_edit == 0)
1943 restart_edit = restart_edit_save;
1944 }
1945#else
1946 vim_beep();
1947#endif
1948 break;
1949
1950 case OP_REPLACE:
1951#ifdef FEAT_VISUAL
1952 VIsual_reselect = FALSE; /* don't reselect now */
1953#endif
1954#ifdef FEAT_VISUALEXTRA
1955 if (empty_region_error)
1956#endif
1957 vim_beep();
1958#ifdef FEAT_VISUALEXTRA
1959 else
1960 op_replace(oap, cap->nchar);
1961#endif
1962 break;
1963
1964#ifdef FEAT_FOLDING
1965 case OP_FOLD:
1966 VIsual_reselect = FALSE; /* don't reselect now */
1967 foldCreate(oap->start.lnum, oap->end.lnum);
1968 break;
1969
1970 case OP_FOLDOPEN:
1971 case OP_FOLDOPENREC:
1972 case OP_FOLDCLOSE:
1973 case OP_FOLDCLOSEREC:
1974 VIsual_reselect = FALSE; /* don't reselect now */
1975 opFoldRange(oap->start.lnum, oap->end.lnum,
1976 oap->op_type == OP_FOLDOPEN
1977 || oap->op_type == OP_FOLDOPENREC,
1978 oap->op_type == OP_FOLDOPENREC
1979 || oap->op_type == OP_FOLDCLOSEREC,
1980 oap->is_VIsual);
1981 break;
1982
1983 case OP_FOLDDEL:
1984 case OP_FOLDDELREC:
1985 VIsual_reselect = FALSE; /* don't reselect now */
1986 deleteFold(oap->start.lnum, oap->end.lnum,
1987 oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
1988 break;
1989#endif
1990 default:
1991 clearopbeep(oap);
1992 }
1993#ifdef FEAT_VIRTUALEDIT
1994 virtual_op = MAYBE;
1995#endif
1996 if (!gui_yank)
1997 {
1998 /*
1999 * if 'sol' not set, go back to old column for some commands
2000 */
2001 if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
2002 && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
2003 || oap->op_type == OP_DELETE))
2004 coladvance(curwin->w_curswant = old_col);
2005 }
2006 else
2007 {
2008 curwin->w_cursor = old_cursor;
2009 }
2010#ifdef FEAT_VISUAL
2011 oap->block_mode = FALSE;
2012#endif
2013 clearop(oap);
2014 }
2015}
2016
2017/*
2018 * Handle indent and format operators and visual mode ":".
2019 */
2020 static void
2021op_colon(oap)
2022 oparg_T *oap;
2023{
2024 stuffcharReadbuff(':');
2025#ifdef FEAT_VISUAL
2026 if (oap->is_VIsual)
2027 stuffReadbuff((char_u *)"'<,'>");
2028 else
2029#endif
2030 {
2031 /*
2032 * Make the range look nice, so it can be repeated.
2033 */
2034 if (oap->start.lnum == curwin->w_cursor.lnum)
2035 stuffcharReadbuff('.');
2036 else
2037 stuffnumReadbuff((long)oap->start.lnum);
2038 if (oap->end.lnum != oap->start.lnum)
2039 {
2040 stuffcharReadbuff(',');
2041 if (oap->end.lnum == curwin->w_cursor.lnum)
2042 stuffcharReadbuff('.');
2043 else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
2044 stuffcharReadbuff('$');
2045 else if (oap->start.lnum == curwin->w_cursor.lnum)
2046 {
2047 stuffReadbuff((char_u *)".+");
2048 stuffnumReadbuff((long)oap->line_count - 1);
2049 }
2050 else
2051 stuffnumReadbuff((long)oap->end.lnum);
2052 }
2053 }
2054 if (oap->op_type != OP_COLON)
2055 stuffReadbuff((char_u *)"!");
2056 if (oap->op_type == OP_INDENT)
2057 {
2058#ifndef FEAT_CINDENT
2059 if (*get_equalprg() == NUL)
2060 stuffReadbuff((char_u *)"indent");
2061 else
2062#endif
2063 stuffReadbuff(get_equalprg());
2064 stuffReadbuff((char_u *)"\n");
2065 }
2066 else if (oap->op_type == OP_FORMAT)
2067 {
2068 if (*p_fp == NUL)
2069 stuffReadbuff((char_u *)"fmt");
2070 else
2071 stuffReadbuff(p_fp);
2072 stuffReadbuff((char_u *)"\n");
2073 }
2074
2075 /*
2076 * do_cmdline() does the rest
2077 */
2078}
2079
2080#if defined(FEAT_MOUSE) || defined(PROTO)
2081/*
2082 * Do the appropriate action for the current mouse click in the current mode.
2083 * Not used for Command-line mode.
2084 *
2085 * Normal Mode:
2086 * event modi- position visual change action
2087 * fier cursor window
2088 * left press - yes end yes
2089 * left press C yes end yes "^]" (2)
2090 * left press S yes end yes "*" (2)
2091 * left drag - yes start if moved no
2092 * left relse - yes start if moved no
2093 * middle press - yes if not active no put register
2094 * middle press - yes if active no yank and put
2095 * right press - yes start or extend yes
2096 * right press S yes no change yes "#" (2)
2097 * right drag - yes extend no
2098 * right relse - yes extend no
2099 *
2100 * Insert or Replace Mode:
2101 * event modi- position visual change action
2102 * fier cursor window
2103 * left press - yes (cannot be active) yes
2104 * left press C yes (cannot be active) yes "CTRL-O^]" (2)
2105 * left press S yes (cannot be active) yes "CTRL-O*" (2)
2106 * left drag - yes start or extend (1) no CTRL-O (1)
2107 * left relse - yes start or extend (1) no CTRL-O (1)
2108 * middle press - no (cannot be active) no put register
2109 * right press - yes start or extend yes CTRL-O
2110 * right press S yes (cannot be active) yes "CTRL-O#" (2)
2111 *
2112 * (1) only if mouse pointer moved since press
2113 * (2) only if click is in same buffer
2114 *
2115 * Return TRUE if start_arrow() should be called for edit mode.
2116 */
2117 int
2118do_mouse(oap, c, dir, count, fixindent)
2119 oparg_T *oap; /* operator argument, can be NULL */
2120 int c; /* K_LEFTMOUSE, etc */
2121 int dir; /* Direction to 'put' if necessary */
2122 long count;
2123 int fixindent; /* PUT_FIXINDENT if fixing indent necessary */
2124{
2125 static int do_always = FALSE; /* ignore 'mouse' setting next time */
2126 static int got_click = FALSE; /* got a click some time back */
2127
2128 int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
2129 int is_click; /* If FALSE it's a drag or release event */
2130 int is_drag; /* If TRUE it's a drag event */
2131 int jump_flags = 0; /* flags for jump_to_mouse() */
2132 pos_T start_visual;
2133 int moved; /* Has cursor moved? */
2134 int in_status_line; /* mouse in status line */
2135#ifdef FEAT_VERTSPLIT
2136 int in_sep_line; /* mouse in vertical separator line */
2137#endif
2138 int c1, c2;
2139#if defined(FEAT_FOLDING)
2140 pos_T save_cursor;
2141#endif
2142 win_T *old_curwin = curwin;
2143#ifdef FEAT_VISUAL
2144 static pos_T orig_cursor;
2145 colnr_T leftcol, rightcol;
2146 pos_T end_visual;
2147 int diff;
2148 int old_active = VIsual_active;
2149 int old_mode = VIsual_mode;
2150#endif
2151 int regname;
2152
2153#if defined(FEAT_FOLDING)
2154 save_cursor = curwin->w_cursor;
2155#endif
2156
2157 /*
2158 * When GUI is active, always recognize mouse events, otherwise:
2159 * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2160 * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2161 * - For command line and insert mode 'mouse' is checked before calling
2162 * do_mouse().
2163 */
2164 if (do_always)
2165 do_always = FALSE;
2166 else
2167#ifdef FEAT_GUI
2168 if (!gui.in_use)
2169#endif
2170 {
2171#ifdef FEAT_VISUAL
2172 if (VIsual_active)
2173 {
2174 if (!mouse_has(MOUSE_VISUAL))
2175 return FALSE;
2176 }
2177 else
2178#endif
2179 if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2180 return FALSE;
2181 }
2182
2183 which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2184
2185#ifdef FEAT_MOUSESHAPE
2186 /* May have stopped dragging the status or separator line. The pointer is
2187 * most likely still on the status or separator line. */
2188 if (!is_drag && drag_status_line)
2189 {
2190 drag_status_line = FALSE;
2191 update_mouseshape(SHAPE_IDX_STATUS);
2192 }
2193# ifdef FEAT_VERTSPLIT
2194 if (!is_drag && drag_sep_line)
2195 {
2196 drag_sep_line = FALSE;
2197 update_mouseshape(SHAPE_IDX_VSEP);
2198 }
2199# endif
2200#endif
2201
2202 /*
2203 * Ignore drag and release events if we didn't get a click.
2204 */
2205 if (is_click)
2206 got_click = TRUE;
2207 else
2208 {
2209 if (!got_click) /* didn't get click, ignore */
2210 return FALSE;
2211 if (!is_drag) /* release, reset got_click */
2212 got_click = FALSE;
2213 }
2214
2215 /*
2216 * ALT is currently ignored
2217 */
2218 if ((mod_mask & MOD_MASK_ALT))
2219 return FALSE;
2220
2221 /*
2222 * CTRL right mouse button does CTRL-T
2223 */
2224 if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2225 {
2226 if (State & INSERT)
2227 stuffcharReadbuff(Ctrl_O);
2228 if (count > 1)
2229 stuffnumReadbuff(count);
2230 stuffcharReadbuff(Ctrl_T);
2231 got_click = FALSE; /* ignore drag&release now */
2232 return FALSE;
2233 }
2234
2235 /*
2236 * CTRL only works with left mouse button
2237 */
2238 if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2239 return FALSE;
2240
2241 /*
2242 * When a modifier is down, ignore drag and release events, as well as
2243 * multiple clicks and the middle mouse button.
2244 * Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
2245 */
2246 if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT))
2247 && (!is_click
2248 || (mod_mask & MOD_MASK_MULTI_CLICK)
2249 || which_button == MOUSE_MIDDLE)
2250 && !((mod_mask & MOD_MASK_SHIFT)
2251 && mouse_model_popup()
2252 && which_button == MOUSE_LEFT)
2253 )
2254 return FALSE;
2255
2256 /*
2257 * If the button press was used as the movement command for an operator
2258 * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2259 * drag/release events.
2260 */
2261 if (!is_click && which_button == MOUSE_MIDDLE)
2262 return FALSE;
2263
2264 if (oap != NULL)
2265 regname = oap->regname;
2266 else
2267 regname = 0;
2268
2269 /*
2270 * Middle mouse button does a 'put' of the selected text
2271 */
2272 if (which_button == MOUSE_MIDDLE)
2273 {
2274 if (State == NORMAL)
2275 {
2276 /*
2277 * If an operator was pending, we don't know what the user wanted
2278 * to do. Go back to normal mode: Clear the operator and beep().
2279 */
2280 if (oap != NULL && oap->op_type != OP_NOP)
2281 {
2282 clearopbeep(oap);
2283 return FALSE;
2284 }
2285
2286#ifdef FEAT_VISUAL
2287 /*
2288 * If visual was active, yank the highlighted text and put it
2289 * before the mouse pointer position.
2290 */
2291 if (VIsual_active)
2292 {
2293 stuffcharReadbuff('y');
2294 stuffcharReadbuff(K_MIDDLEMOUSE);
2295 do_always = TRUE; /* ignore 'mouse' setting next time */
2296 return FALSE;
2297 }
2298#endif
2299 /*
2300 * The rest is below jump_to_mouse()
2301 */
2302 }
2303
2304 else if ((State & INSERT) == 0)
2305 return FALSE;
2306
2307 /*
2308 * Middle click in insert mode doesn't move the mouse, just insert the
2309 * contents of a register. '.' register is special, can't insert that
2310 * with do_put().
2311 * Also paste at the cursor if the current mode isn't in 'mouse' (only
2312 * happens for the GUI).
2313 */
2314 if ((State & INSERT) || !mouse_has(MOUSE_NORMAL))
2315 {
2316 if (regname == '.')
2317 insert_reg(regname, TRUE);
2318 else
2319 {
2320#ifdef FEAT_CLIPBOARD
2321 if (clip_star.available && regname == 0)
2322 regname = '*';
2323#endif
2324 if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
2325 insert_reg(regname, TRUE);
2326 else
2327 {
2328 do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
2329
2330 /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
2331 AppendCharToRedobuff(Ctrl_R);
2332 AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
2333 AppendCharToRedobuff(regname == 0 ? '"' : regname);
2334 }
2335 }
2336 return FALSE;
2337 }
2338 }
2339
2340 /* When dragging or button-up stay in the same window. */
2341 if (!is_click)
2342 jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
2343
2344 start_visual.lnum = 0;
2345
2346 /*
2347 * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
2348 * right button up -> pop-up menu
2349 * shift-left button -> right button
2350 */
2351 if (mouse_model_popup())
2352 {
2353 if (which_button == MOUSE_RIGHT
2354 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2355 {
2356 /*
2357 * NOTE: Ignore right button down and drag mouse events.
2358 * Windows only shows the popup menu on the button up event.
2359 */
2360#if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)
2361 if (!is_click)
2362 return FALSE;
2363#endif
2364#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN)
2365 if (is_click || is_drag)
2366 return FALSE;
2367#endif
2368#if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
2369 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \
2370 || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON)
2371 if (gui.in_use)
2372 {
2373 jump_flags = 0;
2374 if (STRCMP(p_mousem, "popup_setpos") == 0)
2375 {
2376 /* First set the cursor position before showing the popup
2377 * menu. */
2378#ifdef FEAT_VISUAL
2379 if (VIsual_active)
2380 {
2381 pos_T m_pos;
2382
2383 /*
2384 * set MOUSE_MAY_STOP_VIS if we are outside the
2385 * selection or the current window (might have false
2386 * negative here)
2387 */
2388 if (mouse_row < W_WINROW(curwin)
2389 || mouse_row
2390 > (W_WINROW(curwin) + curwin->w_height))
2391 jump_flags = MOUSE_MAY_STOP_VIS;
2392 else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER)
2393 jump_flags = MOUSE_MAY_STOP_VIS;
2394 else
2395 {
2396 if ((lt(curwin->w_cursor, VIsual)
2397 && (lt(m_pos, curwin->w_cursor)
2398 || lt(VIsual, m_pos)))
2399 || (lt(VIsual, curwin->w_cursor)
2400 && (lt(m_pos, VIsual)
2401 || lt(curwin->w_cursor, m_pos))))
2402 {
2403 jump_flags = MOUSE_MAY_STOP_VIS;
2404 }
2405 else if (VIsual_mode == Ctrl_V)
2406 {
2407 getvcols(curwin, &curwin->w_cursor, &VIsual,
2408 &leftcol, &rightcol);
2409 getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL);
2410 if (m_pos.col < leftcol || m_pos.col > rightcol)
2411 jump_flags = MOUSE_MAY_STOP_VIS;
2412 }
2413 }
2414 }
2415 else
2416 jump_flags = MOUSE_MAY_STOP_VIS;
2417#endif
2418 }
2419 if (jump_flags)
2420 {
2421 jump_flags = jump_to_mouse(jump_flags, NULL, which_button);
2422 update_curbuf(
2423#ifdef FEAT_VISUAL
2424 VIsual_active ? INVERTED :
2425#endif
2426 VALID);
2427 setcursor();
2428 out_flush(); /* Update before showing popup menu */
2429 }
2430# ifdef FEAT_MENU
2431 gui_show_popupmenu();
2432# endif
2433 return (jump_flags & CURSOR_MOVED) != 0;
2434 }
2435 else
2436 return FALSE;
2437#else
2438 return FALSE;
2439#endif
2440 }
2441 if (which_button == MOUSE_LEFT && (mod_mask & MOD_MASK_SHIFT))
2442 {
2443 which_button = MOUSE_RIGHT;
2444 mod_mask &= ~MOD_MASK_SHIFT;
2445 }
2446 }
2447
2448#ifdef FEAT_VISUAL
2449 if ((State & (NORMAL | INSERT))
2450 && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2451 {
2452 if (which_button == MOUSE_LEFT)
2453 {
2454 if (is_click)
2455 {
2456 /* stop Visual mode for a left click in a window, but not when
2457 * on a status line */
2458 if (VIsual_active)
2459 jump_flags |= MOUSE_MAY_STOP_VIS;
2460 }
2461 else if (mouse_has(MOUSE_VISUAL))
2462 jump_flags |= MOUSE_MAY_VIS;
2463 }
2464 else if (which_button == MOUSE_RIGHT)
2465 {
2466 if (is_click && VIsual_active)
2467 {
2468 /*
2469 * Remember the start and end of visual before moving the
2470 * cursor.
2471 */
2472 if (lt(curwin->w_cursor, VIsual))
2473 {
2474 start_visual = curwin->w_cursor;
2475 end_visual = VIsual;
2476 }
2477 else
2478 {
2479 start_visual = VIsual;
2480 end_visual = curwin->w_cursor;
2481 }
2482 }
2483 jump_flags |= MOUSE_FOCUS;
2484 if (mouse_has(MOUSE_VISUAL))
2485 jump_flags |= MOUSE_MAY_VIS;
2486 }
2487 }
2488#endif
2489
2490 /*
2491 * If an operator is pending, ignore all drags and releases until the
2492 * next mouse click.
2493 */
2494 if (!is_drag && oap != NULL && oap->op_type != OP_NOP)
2495 {
2496 got_click = FALSE;
2497 oap->motion_type = MCHAR;
2498 }
2499
2500 /* When releasing the button let jump_to_mouse() know. */
2501 if (!is_click && !is_drag)
2502 jump_flags |= MOUSE_RELEASED;
2503
2504 /*
2505 * JUMP!
2506 */
2507 jump_flags = jump_to_mouse(jump_flags,
2508 oap == NULL ? NULL : &(oap->inclusive), which_button);
2509 moved = (jump_flags & CURSOR_MOVED);
2510 in_status_line = (jump_flags & IN_STATUS_LINE);
2511#ifdef FEAT_VERTSPLIT
2512 in_sep_line = (jump_flags & IN_SEP_LINE);
2513#endif
2514
2515#ifdef FEAT_NETBEANS_INTG
2516 if (usingNetbeans && isNetbeansBuffer(curbuf)
2517 && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE)))
2518 {
2519 int key = KEY2TERMCAP1(c);
2520
2521 if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE
2522 || key == (int)KE_RIGHTRELEASE)
2523 netbeans_button_release(which_button);
2524 }
2525#endif
2526
2527 /* When jumping to another window, clear a pending operator. That's a bit
2528 * friendlier than beeping and not jumping to that window. */
2529 if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
2530 clearop(oap);
2531
2532#ifdef FEAT_FOLDING
2533 if (mod_mask == 0
2534 && !is_drag
2535 && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
2536 && which_button == MOUSE_LEFT)
2537 {
2538 /* open or close a fold at this line */
2539 if (jump_flags & MOUSE_FOLD_OPEN)
2540 openFold(curwin->w_cursor.lnum, 1L);
2541 else
2542 closeFold(curwin->w_cursor.lnum, 1L);
2543 /* don't move the cursor if still in the same window */
2544 if (curwin == old_curwin)
2545 curwin->w_cursor = save_cursor;
2546 }
2547#endif
2548
2549#if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN)
2550 if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available)
2551 {
2552 clip_modeless(which_button, is_click, is_drag);
2553 return FALSE;
2554 }
2555#endif
2556
2557#ifdef FEAT_VISUAL
2558 /* Set global flag that we are extending the Visual area with mouse
2559 * dragging; temporarily mimimize 'scrolloff'. */
2560 if (VIsual_active && is_drag && p_so)
2561 {
2562 /* In the very first line, allow scrolling one line */
2563 if (mouse_row == 0)
2564 mouse_dragging = 2;
2565 else
2566 mouse_dragging = 1;
2567 }
2568
2569 /* When dragging the mouse above the window, scroll down. */
2570 if (is_drag && mouse_row < 0 && !in_status_line)
2571 {
2572 scroll_redraw(FALSE, 1L);
2573 mouse_row = 0;
2574 }
2575
2576 if (start_visual.lnum) /* right click in visual mode */
2577 {
2578 /*
2579 * In Visual-block mode, divide the area in four, pick up the corner
2580 * that is in the quarter that the cursor is in.
2581 */
2582 if (VIsual_mode == Ctrl_V)
2583 {
2584 getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
2585 if (curwin->w_curswant > (leftcol + rightcol) / 2)
2586 end_visual.col = leftcol;
2587 else
2588 end_visual.col = rightcol;
2589 if (curwin->w_cursor.lnum <
2590 (start_visual.lnum + end_visual.lnum) / 2)
2591 end_visual.lnum = end_visual.lnum;
2592 else
2593 end_visual.lnum = start_visual.lnum;
2594
2595 /* move VIsual to the right column */
2596 start_visual = curwin->w_cursor; /* save the cursor pos */
2597 curwin->w_cursor = end_visual;
2598 coladvance(end_visual.col);
2599 VIsual = curwin->w_cursor;
2600 curwin->w_cursor = start_visual; /* restore the cursor */
2601 }
2602 else
2603 {
2604 /*
2605 * If the click is before the start of visual, change the start.
2606 * If the click is after the end of visual, change the end. If
2607 * the click is inside the visual, change the closest side.
2608 */
2609 if (lt(curwin->w_cursor, start_visual))
2610 VIsual = end_visual;
2611 else if (lt(end_visual, curwin->w_cursor))
2612 VIsual = start_visual;
2613 else
2614 {
2615 /* In the same line, compare column number */
2616 if (end_visual.lnum == start_visual.lnum)
2617 {
2618 if (curwin->w_cursor.col - start_visual.col >
2619 end_visual.col - curwin->w_cursor.col)
2620 VIsual = start_visual;
2621 else
2622 VIsual = end_visual;
2623 }
2624
2625 /* In different lines, compare line number */
2626 else
2627 {
2628 diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2629 (end_visual.lnum - curwin->w_cursor.lnum);
2630
2631 if (diff > 0) /* closest to end */
2632 VIsual = start_visual;
2633 else if (diff < 0) /* closest to start */
2634 VIsual = end_visual;
2635 else /* in the middle line */
2636 {
2637 if (curwin->w_cursor.col <
2638 (start_visual.col + end_visual.col) / 2)
2639 VIsual = end_visual;
2640 else
2641 VIsual = start_visual;
2642 }
2643 }
2644 }
2645 }
2646 }
2647 /*
2648 * If Visual mode started in insert mode, execute "CTRL-O"
2649 */
2650 else if ((State & INSERT) && VIsual_active)
2651 stuffcharReadbuff(Ctrl_O);
2652#endif
2653
2654 /*
2655 * Middle mouse click: Put text before cursor.
2656 */
2657 if (which_button == MOUSE_MIDDLE)
2658 {
2659#ifdef FEAT_CLIPBOARD
2660 if (clip_star.available && regname == 0)
2661 regname = '*';
2662#endif
2663 if (yank_register_mline(regname))
2664 {
2665 if (mouse_past_bottom)
2666 dir = FORWARD;
2667 }
2668 else if (mouse_past_eol)
2669 dir = FORWARD;
2670
2671 if (fixindent)
2672 {
2673 c1 = (dir == BACKWARD) ? '[' : ']';
2674 c2 = 'p';
2675 }
2676 else
2677 {
2678 c1 = (dir == FORWARD) ? 'p' : 'P';
2679 c2 = NUL;
2680 }
2681 prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
2682
2683 /*
2684 * Remember where the paste started, so in edit() Insstart can be set
2685 * to this position
2686 */
2687 if (restart_edit != 0)
2688 where_paste_started = curwin->w_cursor;
2689 do_put(regname, dir, count, fixindent | PUT_CURSEND);
2690 }
2691
2692#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2693 /*
2694 * Ctrl-Mouse click or double click in a quickfix window jumps to the
2695 * error under the mouse pointer.
2696 */
2697 else if (((mod_mask & MOD_MASK_CTRL)
2698 || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2699 && bt_quickfix(curbuf))
2700 {
2701 if (State & INSERT)
2702 stuffcharReadbuff(Ctrl_O);
2703 stuffReadbuff((char_u *)":.cc\n");
2704 got_click = FALSE; /* ignore drag&release now */
2705 }
2706#endif
2707
2708 /*
2709 * Ctrl-Mouse click (or double click in a help window) jumps to the tag
2710 * under the mouse pointer.
2711 */
2712 else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
2713 && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK))
2714 {
2715 if (State & INSERT)
2716 stuffcharReadbuff(Ctrl_O);
2717 stuffcharReadbuff(Ctrl_RSB);
2718 got_click = FALSE; /* ignore drag&release now */
2719 }
2720
2721 /*
2722 * Shift-Mouse click searches for the next occurrence of the word under
2723 * the mouse pointer
2724 */
2725 else if ((mod_mask & MOD_MASK_SHIFT))
2726 {
2727 if (State & INSERT
2728#ifdef FEAT_VISUAL
2729 || (VIsual_active && VIsual_select)
2730#endif
2731 )
2732 stuffcharReadbuff(Ctrl_O);
2733 if (which_button == MOUSE_LEFT)
2734 stuffcharReadbuff('*');
2735 else /* MOUSE_RIGHT */
2736 stuffcharReadbuff('#');
2737 }
2738
2739 /* Handle double clicks, unless on status line */
2740 else if (in_status_line)
2741 {
2742#ifdef FEAT_MOUSESHAPE
2743 if ((is_drag || is_click) && !drag_status_line)
2744 {
2745 drag_status_line = TRUE;
2746 update_mouseshape(-1);
2747 }
2748#endif
2749 }
2750#ifdef FEAT_VERTSPLIT
2751 else if (in_sep_line)
2752 {
2753# ifdef FEAT_MOUSESHAPE
2754 if ((is_drag || is_click) && !drag_sep_line)
2755 {
2756 drag_sep_line = TRUE;
2757 update_mouseshape(-1);
2758 }
2759# endif
2760 }
2761#endif
2762#ifdef FEAT_VISUAL
2763 else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
2764 && mouse_has(MOUSE_VISUAL))
2765 {
2766 if (is_click || !VIsual_active)
2767 {
2768 if (VIsual_active)
2769 orig_cursor = VIsual;
2770 else
2771 {
2772 check_visual_highlight();
2773 VIsual = curwin->w_cursor;
2774 orig_cursor = VIsual;
2775 VIsual_active = TRUE;
2776 VIsual_reselect = TRUE;
2777 /* start Select mode if 'selectmode' contains "mouse" */
2778 may_start_select('o');
2779 setmouse();
2780 }
2781 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2782 VIsual_mode = 'v';
2783 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
2784 VIsual_mode = 'V';
2785 else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
2786 VIsual_mode = Ctrl_V;
2787#ifdef FEAT_CLIPBOARD
2788 /* Make sure the clipboard gets updated. Needed because start and
2789 * end may still be the same, and the selection needs to be owned */
2790 clip_star.vmode = NUL;
2791#endif
2792 }
2793 /*
2794 * A double click selects a word or a block.
2795 */
2796 if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
2797 {
2798 pos_T *pos = NULL;
2799
2800 if (is_click)
2801 {
2802 /* If the character under the cursor (skipping white space) is
2803 * not a word character, try finding a match and select a (),
2804 * {}, [], #if/#endif, etc. block. */
2805 end_visual = curwin->w_cursor;
2806 while (vim_iswhite(gchar_pos(&end_visual)))
2807 inc(&end_visual);
2808 if (oap != NULL)
2809 oap->motion_type = MCHAR;
2810 if (oap != NULL
2811 && VIsual_mode == 'v'
2812 && !vim_iswordc(gchar_pos(&end_visual))
2813 && equalpos(curwin->w_cursor, VIsual)
2814 && (pos = findmatch(oap, NUL)) != NULL)
2815 {
2816 curwin->w_cursor = *pos;
2817 if (oap->motion_type == MLINE)
2818 VIsual_mode = 'V';
2819 else if (*p_sel == 'e')
2820 {
2821 if (lt(curwin->w_cursor, VIsual))
2822 ++VIsual.col;
2823 else
2824 ++curwin->w_cursor.col;
2825 }
2826 }
2827 }
2828
2829 if (pos == NULL && (is_click || is_drag))
2830 {
2831 /* When not found a match or when dragging: extend to include
2832 * a word. */
2833 if (lt(curwin->w_cursor, orig_cursor))
2834 {
2835 find_start_of_word(&curwin->w_cursor);
2836 find_end_of_word(&VIsual);
2837 }
2838 else
2839 {
2840 find_start_of_word(&VIsual);
2841 if (*p_sel == 'e' && *ml_get_cursor() != NUL)
2842#ifdef FEAT_MBYTE
2843 curwin->w_cursor.col +=
2844 (*mb_ptr2len_check)(ml_get_cursor());
2845#else
2846 ++curwin->w_cursor.col;
2847#endif
2848 find_end_of_word(&curwin->w_cursor);
2849 }
2850 }
2851 curwin->w_set_curswant = TRUE;
2852 }
2853 if (is_click)
2854 redraw_curbuf_later(INVERTED); /* update the inversion */
2855 }
2856 else if (VIsual_active && !old_active)
2857 VIsual_mode = 'v';
2858
2859 /* If Visual mode changed show it later. */
2860 if (p_smd && (VIsual_active != old_active || VIsual_mode != old_mode))
2861 redraw_cmdline = TRUE;
2862#endif
2863
2864 return moved;
2865}
2866
2867#ifdef FEAT_VISUAL
2868/*
2869 * Move "pos" back to the start of the word it's in.
2870 */
2871 static void
2872find_start_of_word(pos)
2873 pos_T *pos;
2874{
2875 char_u *line;
2876 int cclass;
2877 int col;
2878
2879 line = ml_get(pos->lnum);
2880 cclass = get_mouse_class(line + pos->col);
2881
2882 while (pos->col > 0)
2883 {
2884 col = pos->col - 1;
2885#ifdef FEAT_MBYTE
2886 col -= (*mb_head_off)(line, line + col);
2887#endif
2888 if (get_mouse_class(line + col) != cclass)
2889 break;
2890 pos->col = col;
2891 }
2892}
2893
2894/*
2895 * Move "pos" forward to the end of the word it's in.
2896 * When 'selection' is "exclusive", the position is just after the word.
2897 */
2898 static void
2899find_end_of_word(pos)
2900 pos_T *pos;
2901{
2902 char_u *line;
2903 int cclass;
2904 int col;
2905
2906 line = ml_get(pos->lnum);
2907 if (*p_sel == 'e' && pos->col > 0)
2908 {
2909 --pos->col;
2910#ifdef FEAT_MBYTE
2911 pos->col -= (*mb_head_off)(line, line + pos->col);
2912#endif
2913 }
2914 cclass = get_mouse_class(line + pos->col);
2915 while (line[pos->col] != NUL)
2916 {
2917#ifdef FEAT_MBYTE
2918 col = pos->col + (*mb_ptr2len_check)(line + pos->col);
2919#else
2920 col = pos->col + 1;
2921#endif
2922 if (get_mouse_class(line + col) != cclass)
2923 {
2924 if (*p_sel == 'e')
2925 pos->col = col;
2926 break;
2927 }
2928 pos->col = col;
2929 }
2930}
2931
2932/*
2933 * Get class of a character for selection: same class means same word.
2934 * 0: blank
2935 * 1: punctuation groups
2936 * 2: normal word character
2937 * >2: multi-byte word character.
2938 */
2939 static int
2940get_mouse_class(p)
2941 char_u *p;
2942{
2943 int c;
2944
2945#ifdef FEAT_MBYTE
2946 if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
2947 return mb_get_class(p);
2948#endif
2949
2950 c = *p;
2951 if (c == ' ' || c == '\t')
2952 return 0;
2953
2954 if (vim_iswordc(c))
2955 return 2;
2956
2957 /*
2958 * There are a few special cases where we want certain combinations of
2959 * characters to be considered as a single word. These are things like
2960 * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
2961 * character is in it's own class.
2962 */
2963 if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
2964 return 1;
2965 return c;
2966}
2967#endif /* FEAT_VISUAL */
2968#endif /* FEAT_MOUSE */
2969
2970#if defined(FEAT_VISUAL) || defined(PROTO)
2971/*
2972 * Check if highlighting for visual mode is possible, give a warning message
2973 * if not.
2974 */
2975 void
2976check_visual_highlight()
2977{
2978 static int did_check = FALSE;
2979
2980 if (full_screen)
2981 {
2982 if (!did_check && hl_attr(HLF_V) == 0)
2983 MSG(_("Warning: terminal cannot highlight"));
2984 did_check = TRUE;
2985 }
2986}
2987
2988/*
2989 * End visual mode.
2990 * This function should ALWAYS be called to end Visual mode, except from
2991 * do_pending_operator().
2992 */
2993 void
2994end_visual_mode()
2995{
2996#ifdef FEAT_CLIPBOARD
2997 /*
2998 * If we are using the clipboard, then remember what was selected in case
2999 * we need to paste it somewhere while we still own the selection.
3000 * Only do this when the clipboard is already owned. Don't want to grab
3001 * the selection when hitting ESC.
3002 */
3003 if (clip_star.available && clip_star.owned)
3004 clip_auto_select();
3005#endif
3006
3007 VIsual_active = FALSE;
3008#ifdef FEAT_MOUSE
3009 setmouse();
3010 mouse_dragging = 0;
3011#endif
3012
3013 /* Save the current VIsual area for '< and '> marks, and "gv" */
3014 curbuf->b_visual_mode = VIsual_mode;
3015#ifdef FEAT_EVAL
3016 curbuf->b_visual_mode_eval = VIsual_mode;
3017#endif
3018 curbuf->b_visual_start = VIsual;
3019 curbuf->b_visual_end = curwin->w_cursor;
3020 curbuf->b_visual_curswant = curwin->w_curswant;
3021#ifdef FEAT_VIRTUALEDIT
3022 if (!virtual_active())
3023 curwin->w_cursor.coladd = 0;
3024#endif
3025
3026 if (p_smd)
3027 clear_cmdline = TRUE; /* unshow visual mode later */
3028#ifdef FEAT_CMDL_INFO
3029 else
3030 clear_showcmd();
3031#endif
3032
3033 /* Don't leave the cursor past the end of the line */
3034 if (curwin->w_cursor.col > 0 && *ml_get_cursor() == NUL)
3035 --curwin->w_cursor.col;
3036}
3037
3038/*
3039 * Reset VIsual_active and VIsual_reselect.
3040 */
3041 void
3042reset_VIsual_and_resel()
3043{
3044 if (VIsual_active)
3045 {
3046 end_visual_mode();
3047 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3048 }
3049 VIsual_reselect = FALSE;
3050}
3051
3052/*
3053 * Reset VIsual_active and VIsual_reselect if it's set.
3054 */
3055 void
3056reset_VIsual()
3057{
3058 if (VIsual_active)
3059 {
3060 end_visual_mode();
3061 redraw_curbuf_later(INVERTED); /* delete the inversion later */
3062 VIsual_reselect = FALSE;
3063 }
3064}
3065#endif /* FEAT_VISUAL */
3066
3067#if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3068static int find_is_eval_item __ARGS((char_u *ptr, int *colp, int *nbp, int dir));
3069
3070/*
3071 * Check for a balloon-eval special item to include when searching for an
3072 * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
3073 * Returns TRUE if the character at "*ptr" should be included.
3074 * "dir" is FORWARD or BACKWARD, the direction of searching.
3075 * "*colp" is in/decremented if "ptr[-dir]" should also be included.
3076 * "bnp" points to a counter for square brackets.
3077 */
3078 static int
3079find_is_eval_item(ptr, colp, bnp, dir)
3080 char_u *ptr;
3081 int *colp;
3082 int *bnp;
3083 int dir;
3084{
3085 /* Accept everything inside []. */
3086 if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
3087 ++*bnp;
3088 if (*bnp > 0)
3089 {
3090 if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
3091 --*bnp;
3092 return TRUE;
3093 }
3094
3095 /* skip over "s.var" */
3096 if (*ptr == '.')
3097 return TRUE;
3098
3099 /* two-character item: s->var */
3100 if (ptr[dir == BACKWARD ? 0 : 1] == '>'
3101 && ptr[dir == BACKWARD ? -1 : 0] == '-')
3102 {
3103 *colp += dir;
3104 return TRUE;
3105 }
3106 return FALSE;
3107}
3108#endif
3109
3110/*
3111 * Find the identifier under or to the right of the cursor.
3112 * "find_type" can have one of three values:
3113 * FIND_IDENT: find an identifier (keyword)
3114 * FIND_STRING: find any non-white string
3115 * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
3116 *
3117 * There are three steps:
3118 * 1. Search forward for the start of an identifier/string. Doesn't move if
3119 * already on one.
3120 * 2. Search backward for the start of this identifier/string.
3121 * This doesn't match the real Vi but I like it a little better and it
3122 * shouldn't bother anyone.
3123 * 3. Search forward to the end of this identifier/string.
3124 * When FIND_IDENT isn't defined, we backup until a blank.
3125 *
3126 * Returns the length of the string, or zero if no string is found.
3127 * If a string is found, a pointer to the string is put in "*string". This
3128 * string is not always NUL terminated.
3129 */
3130 int
3131find_ident_under_cursor(string, find_type)
3132 char_u **string;
3133 int find_type;
3134{
3135 return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
3136 curwin->w_cursor.col, string, find_type);
3137}
3138
3139/*
3140 * Like find_ident_under_cursor(), but for any window and any position.
3141 * However: Uses 'iskeyword' from the current window!.
3142 */
3143 int
3144find_ident_at_pos(wp, lnum, startcol, string, find_type)
3145 win_T *wp;
3146 linenr_T lnum;
3147 colnr_T startcol;
3148 char_u **string;
3149 int find_type;
3150{
3151 char_u *ptr;
3152 int col = 0; /* init to shut up GCC */
3153 int i;
3154#ifdef FEAT_MBYTE
3155 int this_class = 0;
3156 int prev_class;
3157 int prevcol;
3158#endif
3159#if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3160 int bn = 0; /* bracket nesting */
3161#endif
3162
3163 /*
3164 * if i == 0: try to find an identifier
3165 * if i == 1: try to find any non-white string
3166 */
3167 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
3168 for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
3169 {
3170 /*
3171 * 1. skip to start of identifier/string
3172 */
3173 col = startcol;
3174#ifdef FEAT_MBYTE
3175 if (has_mbyte)
3176 {
3177 while (ptr[col] != NUL)
3178 {
3179# if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3180 /* Stop at a ']' to evaluate "a[x]". */
3181 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3182 break;
3183# endif
3184 this_class = mb_get_class(ptr + col);
3185 if (this_class != 0 && (i == 1 || this_class != 1))
3186 break;
3187 col += (*mb_ptr2len_check)(ptr + col);
3188 }
3189 }
3190 else
3191#endif
3192 while (ptr[col] != NUL
3193 && (i == 0 ? !vim_iswordc(ptr[col]) : vim_iswhite(ptr[col]))
3194# if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3195 && (!(find_type & FIND_EVAL) || ptr[col] != ']')
3196# endif
3197 )
3198 ++col;
3199
3200#if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3201 /* When starting on a ']' count it, so that we include the '['. */
3202 bn = ptr[col] == ']';
3203#endif
3204
3205 /*
3206 * 2. Back up to start of identifier/string.
3207 */
3208#ifdef FEAT_MBYTE
3209 if (has_mbyte)
3210 {
3211 /* Remember class of character under cursor. */
3212# if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3213 if ((find_type & FIND_EVAL) && ptr[col] == ']')
3214 this_class = mb_get_class((char_u *)"a");
3215 else
3216# endif
3217 this_class = mb_get_class(ptr + col);
3218 while (col > 0)
3219 {
3220 prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
3221 prev_class = mb_get_class(ptr + prevcol);
3222 if (this_class != prev_class
3223 && (i == 0
3224 || prev_class == 0
3225 || (find_type & FIND_IDENT))
3226# if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3227 && (!(find_type & FIND_EVAL)
3228 || prevcol == 0
3229 || !find_is_eval_item(ptr + prevcol, &prevcol,
3230 &bn, BACKWARD))
3231# endif
3232 )
3233 break;
3234 col = prevcol;
3235 }
3236
3237 /* If we don't want just any old string, or we've found an
3238 * identifier, stop searching. */
3239 if (this_class > 2)
3240 this_class = 2;
3241 if (!(find_type & FIND_STRING) || this_class == 2)
3242 break;
3243 }
3244 else
3245#endif
3246 {
3247 while (col > 0
3248 && ((i == 0
3249 ? vim_iswordc(ptr[col - 1])
3250 : (!vim_iswhite(ptr[col - 1])
3251 && (!(find_type & FIND_IDENT)
3252 || !vim_iswordc(ptr[col - 1]))))
3253#if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3254 || ((find_type & FIND_EVAL)
3255 && col > 1
3256 && find_is_eval_item(ptr + col - 1, &col,
3257 &bn, BACKWARD))
3258#endif
3259 ))
3260 --col;
3261
3262 /* If we don't want just any old string, or we've found an
3263 * identifier, stop searching. */
3264 if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
3265 break;
3266 }
3267 }
3268
3269 if (ptr[col] == NUL || (i == 0 && (
3270#ifdef FEAT_MBYTE
3271 has_mbyte ? this_class != 2 :
3272#endif
3273 !vim_iswordc(ptr[col]))))
3274 {
3275 /*
3276 * didn't find an identifier or string
3277 */
3278 if (find_type & FIND_STRING)
3279 EMSG(_("E348: No string under cursor"));
3280 else
3281 EMSG(_("E349: No identifier under cursor"));
3282 return 0;
3283 }
3284 ptr += col;
3285 *string = ptr;
3286
3287 /*
3288 * 3. Find the end if the identifier/string.
3289 */
3290#if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3291 bn = 0;
3292 startcol -= col;
3293#endif
3294 col = 0;
3295#ifdef FEAT_MBYTE
3296 if (has_mbyte)
3297 {
3298 /* Search for point of changing multibyte character class. */
3299 this_class = mb_get_class(ptr);
3300 while (ptr[col] != NUL
3301 && ((i == 0 ? mb_get_class(ptr + col) == this_class
3302 : mb_get_class(ptr + col) != 0)
3303# if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3304 || ((find_type & FIND_EVAL)
3305 && col <= (int)startcol
3306 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3307# endif
3308 ))
3309 col += (*mb_ptr2len_check)(ptr + col);
3310 }
3311 else
3312#endif
3313 while ((i == 0 ? vim_iswordc(ptr[col])
3314 : (ptr[col] != NUL && !vim_iswhite(ptr[col])))
3315# if defined(FEAT_NETBEANS_INTG) && defined(FEAT_BEVAL)
3316 || ((find_type & FIND_EVAL)
3317 && col <= (int)startcol
3318 && find_is_eval_item(ptr + col, &col, &bn, FORWARD))
3319# endif
3320 )
3321 {
3322 ++col;
3323 }
3324
3325 return col;
3326}
3327
3328/*
3329 * Prepare for redo of a normal command.
3330 */
3331 static void
3332prep_redo_cmd(cap)
3333 cmdarg_T *cap;
3334{
3335 prep_redo(cap->oap->regname, cap->count0,
3336 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
3337}
3338
3339/*
3340 * Prepare for redo of any command.
3341 * Note that only the last argument can be a multi-byte char.
3342 */
3343 static void
3344prep_redo(regname, num, cmd1, cmd2, cmd3, cmd4, cmd5)
3345 int regname;
3346 long num;
3347 int cmd1;
3348 int cmd2;
3349 int cmd3;
3350 int cmd4;
3351 int cmd5;
3352{
3353 ResetRedobuff();
3354 if (regname != 0) /* yank from specified buffer */
3355 {
3356 AppendCharToRedobuff('"');
3357 AppendCharToRedobuff(regname);
3358 }
3359 if (num)
3360 AppendNumberToRedobuff(num);
3361
3362 if (cmd1 != NUL)
3363 AppendCharToRedobuff(cmd1);
3364 if (cmd2 != NUL)
3365 AppendCharToRedobuff(cmd2);
3366 if (cmd3 != NUL)
3367 AppendCharToRedobuff(cmd3);
3368 if (cmd4 != NUL)
3369 AppendCharToRedobuff(cmd4);
3370 if (cmd5 != NUL)
3371 AppendCharToRedobuff(cmd5);
3372}
3373
3374/*
3375 * check for operator active and clear it
3376 *
3377 * return TRUE if operator was active
3378 */
3379 static int
3380checkclearop(oap)
3381 oparg_T *oap;
3382{
3383 if (oap->op_type == OP_NOP)
3384 return FALSE;
3385 clearopbeep(oap);
3386 return TRUE;
3387}
3388
3389/*
3390 * check for operator or Visual active and clear it
3391 *
3392 * return TRUE if operator was active
3393 */
3394 static int
3395checkclearopq(oap)
3396 oparg_T *oap;
3397{
3398 if (oap->op_type == OP_NOP
3399#ifdef FEAT_VISUAL
3400 && !VIsual_active
3401#endif
3402 )
3403 return FALSE;
3404 clearopbeep(oap);
3405 return TRUE;
3406}
3407
3408 static void
3409clearop(oap)
3410 oparg_T *oap;
3411{
3412 oap->op_type = OP_NOP;
3413 oap->regname = 0;
3414 oap->motion_force = NUL;
3415 oap->use_reg_one = FALSE;
3416}
3417
3418 static void
3419clearopbeep(oap)
3420 oparg_T *oap;
3421{
3422 clearop(oap);
3423 beep_flush();
3424}
3425
3426#ifdef FEAT_VISUAL
3427/*
3428 * Remove the shift modifier from a special key.
3429 */
3430 static void
3431unshift_special(cap)
3432 cmdarg_T *cap;
3433{
3434 switch (cap->cmdchar)
3435 {
3436 case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
3437 case K_S_LEFT: cap->cmdchar = K_LEFT; break;
3438 case K_S_UP: cap->cmdchar = K_UP; break;
3439 case K_S_DOWN: cap->cmdchar = K_DOWN; break;
3440 case K_S_HOME: cap->cmdchar = K_HOME; break;
3441 case K_S_END: cap->cmdchar = K_END; break;
3442 }
3443 cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
3444}
3445#endif
3446
3447#if defined(FEAT_CMDL_INFO) || defined(PROTO)
3448/*
3449 * Routines for displaying a partly typed command
3450 */
3451
3452#ifdef FEAT_VISUAL /* need room for size of Visual area */
3453# define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
3454#else
3455# define SHOWCMD_BUFLEN SHOWCMD_COLS + 1
3456#endif
3457static char_u showcmd_buf[SHOWCMD_BUFLEN];
3458static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
3459static int showcmd_is_clear = TRUE;
3460static int showcmd_visual = FALSE;
3461
3462static void display_showcmd __ARGS((void));
3463
3464 void
3465clear_showcmd()
3466{
3467 if (!p_sc)
3468 return;
3469
3470#ifdef FEAT_VISUAL
3471 if (VIsual_active && !char_avail())
3472 {
3473 int i = lt(VIsual, curwin->w_cursor);
3474 long lines;
3475 colnr_T leftcol, rightcol;
3476 linenr_T top, bot;
3477
3478 /* Show the size of the Visual area. */
3479 if (i)
3480 {
3481 top = VIsual.lnum;
3482 bot = curwin->w_cursor.lnum;
3483 }
3484 else
3485 {
3486 top = curwin->w_cursor.lnum;
3487 bot = VIsual.lnum;
3488 }
3489# ifdef FEAT_FOLDING
3490 /* Include closed folds as a whole. */
3491 hasFolding(top, &top, NULL);
3492 hasFolding(bot, NULL, &bot);
3493# endif
3494 lines = bot - top + 1;
3495
3496 if (VIsual_mode == Ctrl_V)
3497 {
3498 getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
3499 sprintf((char *)showcmd_buf, "%ldx%ld", lines,
3500 (long)(rightcol - leftcol + 1));
3501 }
3502 else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
3503 sprintf((char *)showcmd_buf, "%ld", lines);
3504 else
3505 sprintf((char *)showcmd_buf, "%ld", (long)(i
3506 ? curwin->w_cursor.col - VIsual.col
3507 : VIsual.col - curwin->w_cursor.col) + (*p_sel != 'e'));
3508 showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */
3509 showcmd_visual = TRUE;
3510 }
3511 else
3512#endif
3513 {
3514 showcmd_buf[0] = NUL;
3515 showcmd_visual = FALSE;
3516
3517 /* Don't actually display something if there is nothing to clear. */
3518 if (showcmd_is_clear)
3519 return;
3520 }
3521
3522 display_showcmd();
3523}
3524
3525/*
3526 * Add 'c' to string of shown command chars.
3527 * Return TRUE if output has been written (and setcursor() has been called).
3528 */
3529 int
3530add_to_showcmd(c)
3531 int c;
3532{
3533 char_u *p;
3534 int old_len;
3535 int extra_len;
3536 int overflow;
3537#if defined(FEAT_MOUSE)
3538 int i;
3539 static int ignore[] =
3540 {
3541#ifdef FEAT_GUI
3542 K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
3543 K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
3544#endif
3545 K_IGNORE,
3546 K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
3547 K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
3548 K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
3549 K_MOUSEDOWN, K_MOUSEUP,
3550 K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
3551 0
3552 };
3553#endif
3554
3555 if (!p_sc)
3556 return FALSE;
3557
3558 if (showcmd_visual)
3559 {
3560 showcmd_buf[0] = NUL;
3561 showcmd_visual = FALSE;
3562 }
3563
3564#if defined(FEAT_MOUSE)
3565 /* Ignore keys that are scrollbar updates and mouse clicks */
3566 if (IS_SPECIAL(c))
3567 for (i = 0; ignore[i] != 0; ++i)
3568 if (ignore[i] == c)
3569 return FALSE;
3570#endif
3571
3572 p = transchar(c);
3573 old_len = (int)STRLEN(showcmd_buf);
3574 extra_len = (int)STRLEN(p);
3575 overflow = old_len + extra_len - SHOWCMD_COLS;
3576 if (overflow > 0)
3577 STRCPY(showcmd_buf, showcmd_buf + overflow);
3578 STRCAT(showcmd_buf, p);
3579
3580 if (char_avail())
3581 return FALSE;
3582
3583 display_showcmd();
3584
3585 return TRUE;
3586}
3587
3588 void
3589add_to_showcmd_c(c)
3590 int c;
3591{
3592 if (!add_to_showcmd(c))
3593 setcursor();
3594}
3595
3596/*
3597 * Delete 'len' characters from the end of the shown command.
3598 */
3599 static void
3600del_from_showcmd(len)
3601 int len;
3602{
3603 int old_len;
3604
3605 if (!p_sc)
3606 return;
3607
3608 old_len = (int)STRLEN(showcmd_buf);
3609 if (len > old_len)
3610 len = old_len;
3611 showcmd_buf[old_len - len] = NUL;
3612
3613 if (!char_avail())
3614 display_showcmd();
3615}
3616
3617/*
3618 * push_showcmd() and pop_showcmd() are used when waiting for the user to type
3619 * something and there is a partial mapping.
3620 */
3621 void
3622push_showcmd()
3623{
3624 if (p_sc)
3625 STRCPY(old_showcmd_buf, showcmd_buf);
3626}
3627
3628 void
3629pop_showcmd()
3630{
3631 if (!p_sc)
3632 return;
3633
3634 STRCPY(showcmd_buf, old_showcmd_buf);
3635
3636 display_showcmd();
3637}
3638
3639 static void
3640display_showcmd()
3641{
3642 int len;
3643
3644 cursor_off();
3645
3646 len = (int)STRLEN(showcmd_buf);
3647 if (len == 0)
3648 showcmd_is_clear = TRUE;
3649 else
3650 {
3651 screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
3652 showcmd_is_clear = FALSE;
3653 }
3654
3655 /*
3656 * clear the rest of an old message by outputing up to SHOWCMD_COLS spaces
3657 */
3658 screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0);
3659
3660 setcursor(); /* put cursor back where it belongs */
3661}
3662#endif
3663
3664#ifdef FEAT_SCROLLBIND
3665/*
3666 * When "check" is FALSE, prepare for commands that scroll the window.
3667 * When "check" is TRUE, take care of scroll-binding after the window has
3668 * scrolled. Called from normal_cmd() and edit().
3669 */
3670 void
3671do_check_scrollbind(check)
3672 int check;
3673{
3674 static win_T *old_curwin = NULL;
3675 static linenr_T old_topline = 0;
3676#ifdef FEAT_DIFF
3677 static int old_topfill = 0;
3678#endif
3679 static buf_T *old_buf = NULL;
3680 static colnr_T old_leftcol = 0;
3681
3682 if (check && curwin->w_p_scb)
3683 {
3684 /* If a ":syncbind" command was just used, don't scroll, only reset
3685 * the values. */
3686 if (did_syncbind)
3687 did_syncbind = FALSE;
3688 else if (curwin == old_curwin)
3689 {
3690 /*
3691 * Synchronize other windows, as necessary according to
3692 * 'scrollbind'. Don't do this after an ":edit" command, except
3693 * when 'diff' is set.
3694 */
3695 if ((curwin->w_buffer == old_buf
3696#ifdef FEAT_DIFF
3697 || curwin->w_p_diff
3698#endif
3699 )
3700 && (curwin->w_topline != old_topline
3701#ifdef FEAT_DIFF
3702 || curwin->w_topfill != old_topfill
3703#endif
3704 || curwin->w_leftcol != old_leftcol))
3705 {
3706 check_scrollbind(curwin->w_topline - old_topline,
3707 (long)(curwin->w_leftcol - old_leftcol));
3708 }
3709 }
3710 else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */
3711 {
3712 /*
3713 * When switching between windows, make sure that the relative
3714 * vertical offset is valid for the new window. The relative
3715 * offset is invalid whenever another 'scrollbind' window has
3716 * scrolled to a point that would force the current window to
3717 * scroll past the beginning or end of its buffer. When the
3718 * resync is performed, some of the other 'scrollbind' windows may
3719 * need to jump so that the current window's relative position is
3720 * visible on-screen.
3721 */
3722 check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
3723 }
3724 curwin->w_scbind_pos = curwin->w_topline;
3725 }
3726
3727 old_curwin = curwin;
3728 old_topline = curwin->w_topline;
3729#ifdef FEAT_DIFF
3730 old_topfill = curwin->w_topfill;
3731#endif
3732 old_buf = curwin->w_buffer;
3733 old_leftcol = curwin->w_leftcol;
3734}
3735
3736/*
3737 * Synchronize any windows that have "scrollbind" set, based on the
3738 * number of rows by which the current window has changed
3739 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
3740 */
3741 void
3742check_scrollbind(topline_diff, leftcol_diff)
3743 linenr_T topline_diff;
3744 long leftcol_diff;
3745{
3746 int want_ver;
3747 int want_hor;
3748 win_T *old_curwin = curwin;
3749 buf_T *old_curbuf = curbuf;
3750#ifdef FEAT_VISUAL
3751 int old_VIsual_select = VIsual_select;
3752 int old_VIsual_active = VIsual_active;
3753#endif
3754 colnr_T tgt_leftcol = curwin->w_leftcol;
3755 long topline;
3756 long y;
3757
3758 /*
3759 * check 'scrollopt' string for vertical and horizontal scroll options
3760 */
3761 want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
3762#ifdef FEAT_DIFF
3763 want_ver |= old_curwin->w_p_diff;
3764#endif
3765 want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
3766
3767 /*
3768 * loop through the scrollbound windows and scroll accordingly
3769 */
3770#ifdef FEAT_VISUAL
3771 VIsual_select = VIsual_active = 0;
3772#endif
3773 for (curwin = firstwin; curwin; curwin = curwin->w_next)
3774 {
3775 curbuf = curwin->w_buffer;
3776 /* skip original window and windows with 'noscrollbind' */
3777 if (curwin != old_curwin && curwin->w_p_scb)
3778 {
3779 /*
3780 * do the vertical scroll
3781 */
3782 if (want_ver)
3783 {
3784#ifdef FEAT_DIFF
3785 if (old_curwin->w_p_diff && curwin->w_p_diff)
3786 {
3787 diff_set_topline(old_curwin, curwin);
3788 }
3789 else
3790#endif
3791 {
3792 curwin->w_scbind_pos += topline_diff;
3793 topline = curwin->w_scbind_pos;
3794 if (topline > curbuf->b_ml.ml_line_count)
3795 topline = curbuf->b_ml.ml_line_count;
3796 if (topline < 1)
3797 topline = 1;
3798
3799 y = topline - curwin->w_topline;
3800 if (y > 0)
3801 scrollup(y, FALSE);
3802 else
3803 scrolldown(-y, FALSE);
3804 }
3805
3806 redraw_later(VALID);
3807 cursor_correct();
3808#ifdef FEAT_WINDOWS
3809 curwin->w_redr_status = TRUE;
3810#endif
3811 }
3812
3813 /*
3814 * do the horizontal scroll
3815 */
3816 if (want_hor && curwin->w_leftcol != tgt_leftcol)
3817 {
3818 curwin->w_leftcol = tgt_leftcol;
3819 leftcol_changed();
3820 }
3821 }
3822 }
3823
3824 /*
3825 * reset current-window
3826 */
3827#ifdef FEAT_VISUAL
3828 VIsual_select = old_VIsual_select;
3829 VIsual_active = old_VIsual_active;
3830#endif
3831 curwin = old_curwin;
3832 curbuf = old_curbuf;
3833}
3834#endif /* #ifdef FEAT_SCROLLBIND */
3835
3836/*
3837 * Command character that's ignored.
3838 * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
3839 * xon/xoff
3840 */
3841/*ARGSUSED */
3842 static void
3843nv_ignore(cap)
3844 cmdarg_T *cap;
3845{
3846}
3847
3848/*
3849 * Command character doesn't exist.
3850 */
3851 static void
3852nv_error(cap)
3853 cmdarg_T *cap;
3854{
3855 clearopbeep(cap->oap);
3856}
3857
3858/*
3859 * <Help> and <F1> commands.
3860 */
3861 static void
3862nv_help(cap)
3863 cmdarg_T *cap;
3864{
3865 if (!checkclearopq(cap->oap))
3866 ex_help(NULL);
3867}
3868
3869/*
3870 * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
3871 */
3872 static void
3873nv_addsub(cap)
3874 cmdarg_T *cap;
3875{
3876 if (!checkclearopq(cap->oap)
3877 && do_addsub((int)cap->cmdchar, cap->count1) == OK)
3878 prep_redo_cmd(cap);
3879}
3880
3881/*
3882 * CTRL-F, CTRL-B, etc: Scroll page up or down.
3883 */
3884 static void
3885nv_page(cap)
3886 cmdarg_T *cap;
3887{
3888 if (!checkclearop(cap->oap))
3889 (void)onepage(cap->arg, cap->count1);
3890}
3891
3892/*
3893 * Implementation of "gd" and "gD" command.
3894 */
3895 static void
3896nv_gd(oap, nchar)
3897 oparg_T *oap;
3898 int nchar;
3899{
3900 int len;
3901 char_u *pat;
3902 pos_T old_pos;
3903 int t;
3904 int save_p_ws;
3905 int save_p_scs;
3906 char_u *ptr;
3907
3908 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0 ||
3909 (pat = alloc(len + 5)) == NULL)
3910 {
3911 clearopbeep(oap);
3912 return;
3913 }
3914 sprintf((char *)pat, vim_iswordp(ptr) ? "\\<%.*s\\>" : "%.*s", len, ptr);
3915 old_pos = curwin->w_cursor;
3916 save_p_ws = p_ws;
3917 save_p_scs = p_scs;
3918 p_ws = FALSE; /* don't wrap around end of file now */
3919 p_scs = FALSE; /* don't switch ignorecase off now */
3920
3921 /*
3922 * With "gD" go to line 1.
3923 * With "gd" Search back for the start of the current function, then go
3924 * back until a blank line. If this fails go to line 1.
3925 */
3926 if (nchar == 'D' || !findpar(oap, BACKWARD, 1L, '{', FALSE))
3927 {
3928 setpcmark(); /* Set in findpar() otherwise */
3929 curwin->w_cursor.lnum = 1;
3930 }
3931 else
3932 {
3933 while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
3934 --curwin->w_cursor.lnum;
3935 }
3936 curwin->w_cursor.col = 0;
3937
3938 /* Search forward for the identifier, ignore comment lines. */
3939 while ((t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD, pat, 1L, 0,
3940 RE_LAST)) != FAIL
3941#ifdef FEAT_COMMENTS
3942 && get_leader_len(ml_get_curline(), NULL, FALSE) > 0
3943#endif
3944 && old_pos.lnum > curwin->w_cursor.lnum)
3945 {
3946 /* Ignore this line, continue at start of next line. */
3947 ++curwin->w_cursor.lnum;
3948 curwin->w_cursor.col = 0;
3949 }
3950 if (t == FAIL || old_pos.lnum <= curwin->w_cursor.lnum)
3951 {
3952 clearopbeep(oap);
3953 curwin->w_cursor = old_pos;
3954 }
3955 else
3956 {
3957 curwin->w_set_curswant = TRUE;
3958#ifdef FEAT_FOLDING
3959 if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
3960 foldOpenCursor();
3961#endif
3962 /* "n" searches forward now */
3963 reset_search_dir();
3964 }
3965
3966 vim_free(pat);
3967 p_ws = save_p_ws;
3968 p_scs = save_p_scs;
3969}
3970
3971/*
3972 * Move 'dist' lines in direction 'dir', counting lines by *screen*
3973 * lines rather than lines in the file.
3974 * 'dist' must be positive.
3975 *
3976 * Return OK if able to move cursor, FAIL otherwise.
3977 */
3978 static int
3979nv_screengo(oap, dir, dist)
3980 oparg_T *oap;
3981 int dir;
3982 long dist;
3983{
3984 int linelen = linetabsize(ml_get_curline());
3985 int retval = OK;
3986 int atend = FALSE;
3987 int n;
3988 int col_off1; /* margin offset for first screen line */
3989 int col_off2; /* margin offset for wrapped screen line */
3990 int width1; /* text width for first screen line */
3991 int width2; /* test width for wrapped screen line */
3992
3993 oap->motion_type = MCHAR;
3994 oap->inclusive = FALSE;
3995
3996 col_off1 = curwin_col_off();
3997 col_off2 = col_off1 - curwin_col_off2();
3998 width1 = W_WIDTH(curwin) - col_off1;
3999 width2 = W_WIDTH(curwin) - col_off2;
4000
4001#ifdef FEAT_VERTSPLIT
4002 if (curwin->w_width != 0)
4003 {
4004#endif
4005 /*
4006 * Instead of sticking at the last character of the buffer line we
4007 * try to stick in the last column of the screen.
4008 */
4009 if (curwin->w_curswant == MAXCOL)
4010 {
4011 atend = TRUE;
4012 validate_virtcol();
4013 if (width1 <= 0)
4014 curwin->w_curswant = 0;
4015 else
4016 {
4017 curwin->w_curswant = width1 - 1;
4018 if (curwin->w_virtcol > curwin->w_curswant)
4019 curwin->w_curswant += ((curwin->w_virtcol
4020 - curwin->w_curswant - 1) / width2 + 1) * width2;
4021 }
4022 }
4023 else
4024 {
4025 if (linelen > width1)
4026 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4027 else
4028 n = width1;
4029 if (curwin->w_curswant > (colnr_T)n + 1)
4030 curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
4031 * width2;
4032 }
4033
4034 while (dist--)
4035 {
4036 if (dir == BACKWARD)
4037 {
4038 if ((long)curwin->w_curswant >= width2)
4039 /* move back within line */
4040 curwin->w_curswant -= width2;
4041 else
4042 {
4043 /* to previous line */
4044 if (curwin->w_cursor.lnum == 1)
4045 {
4046 retval = FAIL;
4047 break;
4048 }
4049 --curwin->w_cursor.lnum;
4050#ifdef FEAT_FOLDING
4051 /* Move to the start of a closed fold. Don't do that when
4052 * 'foldopen' contains "all": it will open in a moment. */
4053 if (!(fdo_flags & FDO_ALL))
4054 (void)hasFolding(curwin->w_cursor.lnum,
4055 &curwin->w_cursor.lnum, NULL);
4056#endif
4057 linelen = linetabsize(ml_get_curline());
4058 if (linelen > width1)
4059 curwin->w_curswant += (((linelen - width1 - 1) / width2)
4060 + 1) * width2;
4061 }
4062 }
4063 else /* dir == FORWARD */
4064 {
4065 if (linelen > width1)
4066 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
4067 else
4068 n = width1;
4069 if (curwin->w_curswant + width2 < (colnr_T)n)
4070 /* move forward within line */
4071 curwin->w_curswant += width2;
4072 else
4073 {
4074 /* to next line */
4075#ifdef FEAT_FOLDING
4076 /* Move to the end of a closed fold. */
4077 (void)hasFolding(curwin->w_cursor.lnum, NULL,
4078 &curwin->w_cursor.lnum);
4079#endif
4080 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4081 {
4082 retval = FAIL;
4083 break;
4084 }
4085 curwin->w_cursor.lnum++;
4086 curwin->w_curswant %= width2;
4087 }
4088 }
4089 }
4090#ifdef FEAT_VERTSPLIT
4091 }
4092#endif
4093
4094 coladvance(curwin->w_curswant);
4095
4096#if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
4097 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
4098 {
4099 /*
4100 * Check for landing on a character that got split at the end of the
4101 * last line. We want to advance a screenline, not end up in the same
4102 * screenline or move two screenlines.
4103 */
4104 validate_virtcol();
4105 if (curwin->w_virtcol > curwin->w_curswant
4106 && (curwin->w_curswant < (colnr_T)width1
4107 ? (curwin->w_curswant > (colnr_T)width1 / 2)
4108 : ((curwin->w_curswant - width1) % width2
4109 > (colnr_T)width2 / 2)))
4110 --curwin->w_cursor.col;
4111 }
4112#endif
4113
4114 if (atend)
4115 curwin->w_curswant = MAXCOL; /* stick in the last column */
4116
4117 return retval;
4118}
4119
4120#ifdef FEAT_MOUSE
4121/*
4122 * Mouse scroll wheel: Default action is to scroll three lines, or one page
4123 * when Shift or Ctrl is used.
4124 * K_MOUSEUP (cap->arg == TRUE) or K_MOUSEDOWN (cap->arg == FALSE)
4125 */
4126 static void
4127nv_mousescroll(cap)
4128 cmdarg_T *cap;
4129{
4130# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4131 win_T *old_curwin;
4132
4133 old_curwin = curwin;
4134
4135 /* Currently we only get the mouse coordinates in the GUI. */
4136 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
4137 {
4138 int row, col;
4139
4140 row = mouse_row;
4141 col = mouse_col;
4142
4143 /* find the window at the pointer coordinates */
4144 curwin = mouse_find_win(&row, &col);
4145 curbuf = curwin->w_buffer;
4146 }
4147# endif
4148
4149 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
4150 {
4151 (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
4152 }
4153 else
4154 {
4155 cap->count1 = 3;
4156 cap->count0 = 3;
4157 nv_scroll_line(cap);
4158 }
4159
4160# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
4161 curwin->w_redr_status = TRUE;
4162
4163 curwin = old_curwin;
4164 curbuf = curwin->w_buffer;
4165# endif
4166}
4167
4168/*
4169 * Mouse clicks and drags.
4170 */
4171 static void
4172nv_mouse(cap)
4173 cmdarg_T *cap;
4174{
4175 (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
4176}
4177#endif
4178
4179/*
4180 * Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
4181 * cap->arg must be TRUE for CTRL-E.
4182 */
4183 static void
4184nv_scroll_line(cap)
4185 cmdarg_T *cap;
4186{
4187 if (!checkclearop(cap->oap))
4188 scroll_redraw(cap->arg, cap->count1);
4189}
4190
4191/*
4192 * Scroll "count" lines up or down, and redraw.
4193 */
4194 void
4195scroll_redraw(up, count)
4196 int up;
4197 long count;
4198{
4199 linenr_T prev_topline = curwin->w_topline;
4200#ifdef FEAT_DIFF
4201 int prev_topfill = curwin->w_topfill;
4202#endif
4203 linenr_T prev_lnum = curwin->w_cursor.lnum;
4204
4205 if (up)
4206 scrollup(count, TRUE);
4207 else
4208 scrolldown(count, TRUE);
4209 if (p_so)
4210 {
4211 /* Adjust the cursor position for 'scrolloff'. Mark w_topline as
4212 * valid, otherwise the screen jumps back at the end of the file. */
4213 cursor_correct();
4214 check_cursor_moved(curwin);
4215 curwin->w_valid |= VALID_TOPLINE;
4216
4217 /* If moved back to where we were, at least move the cursor, otherwise
4218 * we get stuck at one position. Don't move the cursor up if the
4219 * first line of the buffer is already on the screen */
4220 while (curwin->w_topline == prev_topline
4221#ifdef FEAT_DIFF
4222 && curwin->w_topfill == prev_topfill
4223#endif
4224 )
4225 {
4226 if (up)
4227 {
4228 if (curwin->w_cursor.lnum > prev_lnum
4229 || cursor_down(1L, FALSE) == FAIL)
4230 break;
4231 }
4232 else
4233 {
4234 if (curwin->w_cursor.lnum < prev_lnum
4235 || prev_topline == 1L
4236 || cursor_up(1L, FALSE) == FAIL)
4237 break;
4238 }
4239 /* Mark w_topline as valid, otherwise the screen jumps back at the
4240 * end of the file. */
4241 check_cursor_moved(curwin);
4242 curwin->w_valid |= VALID_TOPLINE;
4243 }
4244 }
4245 if (curwin->w_cursor.lnum != prev_lnum)
4246 coladvance(curwin->w_curswant);
4247 redraw_later(VALID);
4248}
4249
4250/*
4251 * Commands that start with "z".
4252 */
4253 static void
4254nv_zet(cap)
4255 cmdarg_T *cap;
4256{
4257 long n;
4258 colnr_T col;
4259 int nchar = cap->nchar;
4260#ifdef FEAT_FOLDING
4261 long old_fdl = curwin->w_p_fdl;
4262 int old_fen = curwin->w_p_fen;
4263#endif
4264
4265 if (VIM_ISDIGIT(nchar))
4266 {
4267 /*
4268 * "z123{nchar}": edit the count before obtaining {nchar}
4269 */
4270 if (checkclearop(cap->oap))
4271 return;
4272 n = nchar - '0';
4273 for (;;)
4274 {
4275#ifdef USE_ON_FLY_SCROLL
4276 dont_scroll = TRUE; /* disallow scrolling here */
4277#endif
4278 ++no_mapping;
4279 ++allow_keys; /* no mapping for nchar, but allow key codes */
4280 nchar = safe_vgetc();
4281#ifdef FEAT_LANGMAP
4282 LANGMAP_ADJUST(nchar, TRUE);
4283#endif
4284 --no_mapping;
4285 --allow_keys;
4286#ifdef FEAT_CMDL_INFO
4287 (void)add_to_showcmd(nchar);
4288#endif
4289 if (nchar == K_DEL || nchar == K_KDEL)
4290 n /= 10;
4291 else if (VIM_ISDIGIT(nchar))
4292 n = n * 10 + (nchar - '0');
4293 else if (nchar == CAR)
4294 {
4295#ifdef FEAT_GUI
4296 need_mouse_correct = TRUE;
4297#endif
4298 win_setheight((int)n);
4299 break;
4300 }
4301 else if (nchar == 'l'
4302 || nchar == 'h'
4303 || nchar == K_LEFT
4304 || nchar == K_RIGHT)
4305 {
4306 cap->count1 = n ? n * cap->count1 : cap->count1;
4307 goto dozet;
4308 }
4309 else
4310 {
4311 clearopbeep(cap->oap);
4312 break;
4313 }
4314 }
4315 cap->oap->op_type = OP_NOP;
4316 return;
4317 }
4318
4319dozet:
4320 if (
4321#ifdef FEAT_FOLDING
4322 /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
4323 * and "zC" only in Visual mode. "zj" and "zk" are motion
4324 * commands. */
4325 cap->nchar != 'f' && cap->nchar != 'F'
4326 && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
4327 && cap->nchar != 'j' && cap->nchar != 'k'
4328 &&
4329#endif
4330 checkclearop(cap->oap))
4331 return;
4332
4333 /*
4334 * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
4335 * If line number given, set cursor.
4336 */
4337 if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
4338 && cap->count0
4339 && cap->count0 != curwin->w_cursor.lnum)
4340 {
4341 setpcmark();
4342 if (cap->count0 > curbuf->b_ml.ml_line_count)
4343 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4344 else
4345 curwin->w_cursor.lnum = cap->count0;
4346 }
4347
4348 switch (nchar)
4349 {
4350 /* "z+", "z<CR>" and "zt": put cursor at top of screen */
4351 case '+':
4352 if (cap->count0 == 0)
4353 {
4354 /* No count given: put cursor at the line below screen */
4355 validate_botline(); /* make sure w_botline is valid */
4356 if (curwin->w_botline > curbuf->b_ml.ml_line_count)
4357 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
4358 else
4359 curwin->w_cursor.lnum = curwin->w_botline;
4360 }
4361 /* FALLTHROUGH */
4362 case NL:
4363 case CAR:
4364 case K_KENTER:
4365 beginline(BL_WHITE | BL_FIX);
4366 /* FALLTHROUGH */
4367
4368 case 't': scroll_cursor_top(0, TRUE);
4369 redraw_later(VALID);
4370 break;
4371
4372 /* "z." and "zz": put cursor in middle of screen */
4373 case '.': beginline(BL_WHITE | BL_FIX);
4374 /* FALLTHROUGH */
4375
4376 case 'z': scroll_cursor_halfway(TRUE);
4377 redraw_later(VALID);
4378 break;
4379
4380 /* "z^", "z-" and "zb": put cursor at bottom of screen */
4381 case '^': /* Strange Vi behavior: <count>z^ finds line at top of window
4382 * when <count> is at bottom of window, and puts that one at
4383 * bottom of window. */
4384 if (cap->count0 != 0)
4385 {
4386 scroll_cursor_bot(0, TRUE);
4387 curwin->w_cursor.lnum = curwin->w_topline;
4388 }
4389 else if (curwin->w_topline == 1)
4390 curwin->w_cursor.lnum = 1;
4391 else
4392 curwin->w_cursor.lnum = curwin->w_topline - 1;
4393 /* FALLTHROUGH */
4394 case '-':
4395 beginline(BL_WHITE | BL_FIX);
4396 /* FALLTHROUGH */
4397
4398 case 'b': scroll_cursor_bot(0, TRUE);
4399 redraw_later(VALID);
4400 break;
4401
4402 /* "zH" - scroll screen right half-page */
4403 case 'H':
4404 cap->count1 *= W_WIDTH(curwin) / 2;
4405 /* FALLTHROUGH */
4406
4407 /* "zh" - scroll screen to the right */
4408 case 'h':
4409 case K_LEFT:
4410 if (!curwin->w_p_wrap)
4411 {
4412 if ((colnr_T)cap->count1 > curwin->w_leftcol)
4413 curwin->w_leftcol = 0;
4414 else
4415 curwin->w_leftcol -= (colnr_T)cap->count1;
4416 leftcol_changed();
4417 }
4418 break;
4419
4420 /* "zL" - scroll screen left half-page */
4421 case 'L': cap->count1 *= W_WIDTH(curwin) / 2;
4422 /* FALLTHROUGH */
4423
4424 /* "zl" - scroll screen to the left */
4425 case 'l':
4426 case K_RIGHT:
4427 if (!curwin->w_p_wrap)
4428 {
4429 /* scroll the window left */
4430 curwin->w_leftcol += (colnr_T)cap->count1;
4431 leftcol_changed();
4432 }
4433 break;
4434
4435 /* "zs" - scroll screen, cursor at the start */
4436 case 's': if (!curwin->w_p_wrap)
4437 {
4438#ifdef FEAT_FOLDING
4439 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4440 col = 0; /* like the cursor is in col 0 */
4441 else
4442#endif
4443 getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
4444 if ((long)col > p_siso)
4445 col -= p_siso;
4446 else
4447 col = 0;
4448 if (curwin->w_leftcol != col)
4449 {
4450 curwin->w_leftcol = col;
4451 redraw_later(NOT_VALID);
4452 }
4453 }
4454 break;
4455
4456 /* "ze" - scroll screen, cursor at the end */
4457 case 'e': if (!curwin->w_p_wrap)
4458 {
4459#ifdef FEAT_FOLDING
4460 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4461 col = 0; /* like the cursor is in col 0 */
4462 else
4463#endif
4464 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
4465 n = W_WIDTH(curwin) - curwin_col_off();
4466 if ((long)col + p_siso < n)
4467 col = 0;
4468 else
4469 col = col + p_siso - n + 1;
4470 if (curwin->w_leftcol != col)
4471 {
4472 curwin->w_leftcol = col;
4473 redraw_later(NOT_VALID);
4474 }
4475 }
4476 break;
4477
4478#ifdef FEAT_FOLDING
4479 /* "zF": create fold command */
4480 /* "zf": create fold operator */
4481 case 'F':
4482 case 'f': if (foldManualAllowed(TRUE))
4483 {
4484 cap->nchar = 'f';
4485 nv_operator(cap);
4486 curwin->w_p_fen = TRUE;
4487
4488 /* "zF" is like "zfzf" */
4489 if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
4490 {
4491 nv_operator(cap);
4492 finish_op = TRUE;
4493 }
4494 }
4495 else
4496 clearopbeep(cap->oap);
4497 break;
4498
4499 /* "zd": delete fold at cursor */
4500 /* "zD": delete fold at cursor recursively */
4501 case 'd':
4502 case 'D': if (foldManualAllowed(FALSE))
4503 {
4504 if (VIsual_active)
4505 nv_operator(cap);
4506 else
4507 deleteFold(curwin->w_cursor.lnum,
4508 curwin->w_cursor.lnum, nchar == 'D', FALSE);
4509 }
4510 break;
4511
4512 /* "zE": erease all folds */
4513 case 'E': if (foldmethodIsManual(curwin))
4514 {
4515 clearFolding(curwin);
4516 changed_window_setting();
4517 }
4518 else if (foldmethodIsMarker(curwin))
4519 deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
4520 TRUE, FALSE);
4521 else
4522 EMSG(_("E352: Cannot erase folds with current 'foldmethod'"));
4523 break;
4524
4525 /* "zn": fold none: reset 'foldenable' */
4526 case 'n': curwin->w_p_fen = FALSE;
4527 break;
4528
4529 /* "zN": fold Normal: set 'foldenable' */
4530 case 'N': curwin->w_p_fen = TRUE;
4531 break;
4532
4533 /* "zi": invert folding: toggle 'foldenable' */
4534 case 'i': curwin->w_p_fen = !curwin->w_p_fen;
4535 break;
4536
4537 /* "za": open closed fold or close open fold at cursor */
4538 case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4539 openFold(curwin->w_cursor.lnum, cap->count1);
4540 else
4541 {
4542 closeFold(curwin->w_cursor.lnum, cap->count1);
4543 curwin->w_p_fen = TRUE;
4544 }
4545 break;
4546
4547 /* "zA": open fold at cursor recursively */
4548 case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
4549 openFoldRecurse(curwin->w_cursor.lnum);
4550 else
4551 {
4552 closeFoldRecurse(curwin->w_cursor.lnum);
4553 curwin->w_p_fen = TRUE;
4554 }
4555 break;
4556
4557 /* "zo": open fold at cursor or Visual area */
4558 case 'o': if (VIsual_active)
4559 nv_operator(cap);
4560 else
4561 openFold(curwin->w_cursor.lnum, cap->count1);
4562 break;
4563
4564 /* "zO": open fold recursively */
4565 case 'O': if (VIsual_active)
4566 nv_operator(cap);
4567 else
4568 openFoldRecurse(curwin->w_cursor.lnum);
4569 break;
4570
4571 /* "zc": close fold at cursor or Visual area */
4572 case 'c': if (VIsual_active)
4573 nv_operator(cap);
4574 else
4575 closeFold(curwin->w_cursor.lnum, cap->count1);
4576 curwin->w_p_fen = TRUE;
4577 break;
4578
4579 /* "zC": close fold recursively */
4580 case 'C': if (VIsual_active)
4581 nv_operator(cap);
4582 else
4583 closeFoldRecurse(curwin->w_cursor.lnum);
4584 curwin->w_p_fen = TRUE;
4585 break;
4586
4587 /* "zv": open folds at the cursor */
4588 case 'v': foldOpenCursor();
4589 break;
4590
4591 /* "zx": re-apply 'foldlevel' and open folds at the cursor */
4592 case 'x': curwin->w_p_fen = TRUE;
4593 newFoldLevel(); /* update right now */
4594 foldOpenCursor();
4595 break;
4596
4597 /* "zX": undo manual opens/closes, re-apply 'foldlevel' */
4598 case 'X': curwin->w_p_fen = TRUE;
4599 old_fdl = -1; /* force an update */
4600 break;
4601
4602 /* "zm": fold more */
4603 case 'm': if (curwin->w_p_fdl > 0)
4604 --curwin->w_p_fdl;
4605 old_fdl = -1; /* force an update */
4606 curwin->w_p_fen = TRUE;
4607 break;
4608
4609 /* "zM": close all folds */
4610 case 'M': curwin->w_p_fdl = 0;
4611 old_fdl = -1; /* force an update */
4612 curwin->w_p_fen = TRUE;
4613 break;
4614
4615 /* "zr": reduce folding */
4616 case 'r': ++curwin->w_p_fdl;
4617 break;
4618
4619 /* "zR": open all folds */
4620 case 'R': curwin->w_p_fdl = getDeepestNesting();
4621 old_fdl = -1; /* force an update */
4622 break;
4623
4624 case 'j': /* "zj" move to next fold downwards */
4625 case 'k': /* "zk" move to next fold upwards */
4626 if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
4627 cap->count1) == FAIL)
4628 clearopbeep(cap->oap);
4629 break;
4630
4631#endif /* FEAT_FOLDING */
4632
4633 default: clearopbeep(cap->oap);
4634 }
4635
4636#ifdef FEAT_FOLDING
4637 /* Redraw when 'foldenable' changed */
4638 if (old_fen != curwin->w_p_fen)
4639 {
4640# ifdef FEAT_DIFF
4641 win_T *wp;
4642
4643 if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
4644 {
4645 /* Adjust 'foldenable' in diff-synced windows. */
4646 FOR_ALL_WINDOWS(wp)
4647 {
4648 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
4649 {
4650 wp->w_p_fen = curwin->w_p_fen;
4651 changed_window_setting_win(wp);
4652 }
4653 }
4654 }
4655# endif
4656 changed_window_setting();
4657 }
4658
4659 /* Redraw when 'foldlevel' changed. */
4660 if (old_fdl != curwin->w_p_fdl)
4661 newFoldLevel();
4662#endif
4663}
4664
4665#ifdef FEAT_GUI
4666/*
4667 * Vertical scrollbar movement.
4668 */
4669 static void
4670nv_ver_scrollbar(cap)
4671 cmdarg_T *cap;
4672{
4673 if (cap->oap->op_type != OP_NOP)
4674 clearopbeep(cap->oap);
4675
4676 /* Even if an operator was pending, we still want to scroll */
4677 gui_do_scroll();
4678}
4679
4680/*
4681 * Horizontal scrollbar movement.
4682 */
4683 static void
4684nv_hor_scrollbar(cap)
4685 cmdarg_T *cap;
4686{
4687 if (cap->oap->op_type != OP_NOP)
4688 clearopbeep(cap->oap);
4689
4690 /* Even if an operator was pending, we still want to scroll */
4691 gui_do_horiz_scroll();
4692}
4693#endif
4694
4695/*
4696 * "Q" command.
4697 */
4698 static void
4699nv_exmode(cap)
4700 cmdarg_T *cap;
4701{
4702 /*
4703 * Ignore 'Q' in Visual mode, just give a beep.
4704 */
4705#ifdef FEAT_VISUAL
4706 if (VIsual_active)
4707 vim_beep();
4708 else
4709#endif
4710 if (!checkclearop(cap->oap))
4711 do_exmode(FALSE);
4712}
4713
4714/*
4715 * Handle a ":" command.
4716 */
4717 static void
4718nv_colon(cap)
4719 cmdarg_T *cap;
4720{
4721 int old_p_im;
4722
4723#ifdef FEAT_VISUAL
4724 if (VIsual_active)
4725 nv_operator(cap);
4726 else
4727#endif
4728 {
4729 if (cap->oap->op_type != OP_NOP)
4730 {
4731 /* Using ":" as a movement is characterwise exclusive. */
4732 cap->oap->motion_type = MCHAR;
4733 cap->oap->inclusive = FALSE;
4734 }
4735 else if (cap->count0)
4736 {
4737 /* translate "count:" into ":.,.+(count - 1)" */
4738 stuffcharReadbuff('.');
4739 if (cap->count0 > 1)
4740 {
4741 stuffReadbuff((char_u *)",.+");
4742 stuffnumReadbuff((long)cap->count0 - 1L);
4743 }
4744 }
4745
4746 /* When typing, don't type below an old message */
4747 if (KeyTyped)
4748 compute_cmdrow();
4749
4750 old_p_im = p_im;
4751
4752 /* get a command line and execute it */
4753 do_cmdline(NULL, getexline, NULL,
4754 cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
4755
4756 /* If 'insertmode' changed, enter or exit Insert mode */
4757 if (p_im != old_p_im)
4758 {
4759 if (p_im)
4760 restart_edit = 'i';
4761 else
4762 restart_edit = 0;
4763 }
4764
4765 /* The start of the operator may have become invalid by the Ex
4766 * command. */
4767 if (cap->oap->op_type != OP_NOP
4768 && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
4769 || cap->oap->start.col >
4770 STRLEN(ml_get(cap->oap->start.lnum))))
4771 clearopbeep(cap->oap);
4772 }
4773}
4774
4775/*
4776 * Handle CTRL-G command.
4777 */
4778 static void
4779nv_ctrlg(cap)
4780 cmdarg_T *cap;
4781{
4782#ifdef FEAT_VISUAL
4783 if (VIsual_active) /* toggle Selection/Visual mode */
4784 {
4785 VIsual_select = !VIsual_select;
4786 showmode();
4787 }
4788 else
4789#endif
4790 if (!checkclearop(cap->oap))
4791 /* print full name if count given or :cd used */
4792 fileinfo((int)cap->count0, FALSE, TRUE);
4793}
4794
4795/*
4796 * Handle CTRL-H <Backspace> command.
4797 */
4798 static void
4799nv_ctrlh(cap)
4800 cmdarg_T *cap;
4801{
4802#ifdef FEAT_VISUAL
4803 if (VIsual_active && VIsual_select)
4804 {
4805 cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */
4806 v_visop(cap);
4807 }
4808 else
4809#endif
4810 nv_left(cap);
4811}
4812
4813/*
4814 * CTRL-L: clear screen and redraw.
4815 */
4816 static void
4817nv_clear(cap)
4818 cmdarg_T *cap;
4819{
4820 if (!checkclearop(cap->oap))
4821 {
4822#if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT
4823 /*
4824 * Right now, the BeBox doesn't seem to have an easy way to detect
4825 * window resizing, so we cheat and make the user detect it
4826 * manually with CTRL-L instead
4827 */
4828 ui_get_shellsize();
4829#endif
4830#ifdef FEAT_SYN_HL
4831 /* Clear all syntax states to force resyncing. */
4832 syn_stack_free_all(curbuf);
4833#endif
4834 redraw_later(CLEAR);
4835 }
4836}
4837
4838/*
4839 * CTRL-O: In Select mode: switch to Visual mode for one command.
4840 * Otherwise: Go to older pcmark.
4841 */
4842 static void
4843nv_ctrlo(cap)
4844 cmdarg_T *cap;
4845{
4846#ifdef FEAT_VISUAL
4847 if (VIsual_active && VIsual_select)
4848 {
4849 VIsual_select = FALSE;
4850 showmode();
4851 restart_VIsual_select = 2; /* restart Select mode later */
4852 }
4853 else
4854#endif
4855 {
4856 cap->count1 = -cap->count1;
4857 nv_pcmark(cap);
4858 }
4859}
4860
4861/*
4862 * CTRL-^ command, short for ":e #"
4863 */
4864 static void
4865nv_hat(cap)
4866 cmdarg_T *cap;
4867{
4868 if (!checkclearopq(cap->oap))
4869 (void)buflist_getfile((int)cap->count0, (linenr_T)0,
4870 GETF_SETMARK|GETF_ALT, FALSE);
4871}
4872
4873/*
4874 * "Z" commands.
4875 */
4876 static void
4877nv_Zet(cap)
4878 cmdarg_T *cap;
4879{
4880 if (!checkclearopq(cap->oap))
4881 {
4882 switch (cap->nchar)
4883 {
4884 /* "ZZ": equivalent to ":x". */
4885 case 'Z': do_cmdline_cmd((char_u *)"x");
4886 break;
4887
4888 /* "ZQ": equivalent to ":q!" (Elvis compatible). */
4889 case 'Q': do_cmdline_cmd((char_u *)"q!");
4890 break;
4891
4892 default: clearopbeep(cap->oap);
4893 }
4894 }
4895}
4896
4897#if defined(FEAT_WINDOWS) || defined(PROTO)
4898/*
4899 * Call nv_ident() as if "c1" was used, with "c2" as next character.
4900 */
4901 void
4902do_nv_ident(c1, c2)
4903 int c1;
4904 int c2;
4905{
4906 oparg_T oa;
4907 cmdarg_T ca;
4908
4909 clear_oparg(&oa);
4910 vim_memset(&ca, 0, sizeof(ca));
4911 ca.oap = &oa;
4912 ca.cmdchar = c1;
4913 ca.nchar = c2;
4914 nv_ident(&ca);
4915}
4916#endif
4917
4918/*
4919 * Handle the commands that use the word under the cursor.
4920 * [g] CTRL-] :ta to current identifier
4921 * [g] 'K' run program for current identifier
4922 * [g] '*' / to current identifier or string
4923 * [g] '#' ? to current identifier or string
4924 * g ']' :tselect for current identifier
4925 */
4926 static void
4927nv_ident(cap)
4928 cmdarg_T *cap;
4929{
4930 char_u *ptr = NULL;
4931 char_u *buf;
4932 char_u *p;
4933 char_u *kp; /* value of 'keywordprg' */
4934 int kp_help; /* 'keywordprg' is ":help" */
4935 int n = 0; /* init for GCC */
4936 int cmdchar;
4937 int g_cmd; /* "g" command */
4938 char_u *aux_ptr;
4939 int isman;
4940 int isman_s;
4941
4942 if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */
4943 {
4944 cmdchar = cap->nchar;
4945 g_cmd = TRUE;
4946 }
4947 else
4948 {
4949 cmdchar = cap->cmdchar;
4950 g_cmd = FALSE;
4951 }
4952
4953 if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
4954 cmdchar = '#';
4955
4956 /*
4957 * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
4958 */
4959 if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
4960 {
4961#ifdef FEAT_VISUAL
4962 if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
4963 return;
4964#endif
4965 if (checkclearopq(cap->oap))
4966 return;
4967 }
4968
4969 if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
4970 (cmdchar == '*' || cmdchar == '#')
4971 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
4972 {
4973 clearop(cap->oap);
4974 return;
4975 }
4976
4977 /* Allocate buffer to put the command in. Inserting backslashes can
4978 * double the length of the word. p_kp / curbuf->b_p_kp could be added
4979 * and some numbers. */
4980 kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
4981 kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
4982 || STRCMP(kp, ":help") == 0);
4983 buf = alloc((unsigned)(n * 2 + 30 + STRLEN(kp)));
4984 if (buf == NULL)
4985 return;
4986 buf[0] = NUL;
4987
4988 switch (cmdchar)
4989 {
4990 case '*':
4991 case '#':
4992 /*
4993 * Put cursor at start of word, makes search skip the word
4994 * under the cursor.
4995 * Call setpcmark() first, so "*``" puts the cursor back where
4996 * it was.
4997 */
4998 setpcmark();
4999 curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
5000
5001 if (!g_cmd && vim_iswordp(ptr))
5002 STRCPY(buf, "\\<");
5003 no_smartcase = TRUE; /* don't use 'smartcase' now */
5004 break;
5005
5006 case 'K':
5007 if (kp_help)
5008 STRCPY(buf, "he! ");
5009 else
5010 {
5011 /* When a count is given, turn it into a range. Is this
5012 * really what we want? */
5013 isman = (STRCMP(kp, "man") == 0);
5014 isman_s = (STRCMP(kp, "man -s") == 0);
5015 if (cap->count0 != 0 && !(isman || isman_s))
5016 sprintf((char *)buf, ".,.+%ld", cap->count0 - 1);
5017
5018 STRCAT(buf, "! ");
5019 if (cap->count0 == 0 && isman_s)
5020 STRCAT(buf, "man");
5021 else
5022 STRCAT(buf, kp);
5023 STRCAT(buf, " ");
5024 if (cap->count0 != 0 && (isman || isman_s))
5025 {
5026 sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0);
5027 STRCAT(buf, " ");
5028 }
5029 }
5030 break;
5031
5032 case ']':
5033#ifdef FEAT_CSCOPE
5034 if (p_cst)
5035 STRCPY(buf, "cstag ");
5036 else
5037#endif
5038 STRCPY(buf, "ts ");
5039 break;
5040
5041 default:
5042 if (curbuf->b_help)
5043 STRCPY(buf, "he! ");
5044 else if (g_cmd)
5045 STRCPY(buf, "tj ");
5046 else
5047 STRCPY(buf, "ta ");
5048 }
5049
5050 /*
5051 * Now grab the chars in the identifier
5052 */
5053 if (cmdchar == '*')
5054 aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
5055 else if (cmdchar == '#')
5056 aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
5057 else if (cmdchar == 'K' && !kp_help)
5058 aux_ptr = (char_u *)" \t\\\"|!";
5059 else
5060 /* Don't escape spaces and Tabs in a tag with a backslash */
5061 aux_ptr = (char_u *)"\\|\"";
5062
5063 p = buf + STRLEN(buf);
5064 while (n-- > 0)
5065 {
5066 /* put a backslash before \ and some others */
5067 if (vim_strchr(aux_ptr, *ptr) != NULL)
5068 *p++ = '\\';
5069#ifdef FEAT_MBYTE
5070 /* When current byte is a part of multibyte character, copy all bytes
5071 * of that character. */
5072 if (has_mbyte)
5073 {
5074 int i;
5075 int len = (*mb_ptr2len_check)(ptr) - 1;
5076
5077 for (i = 0; i < len && n >= 1; ++i, --n)
5078 *p++ = *ptr++;
5079 }
5080#endif
5081 *p++ = *ptr++;
5082 }
5083 *p = NUL;
5084
5085 /*
5086 * Execute the command.
5087 */
5088 if (cmdchar == '*' || cmdchar == '#')
5089 {
5090 if (!g_cmd && (
5091#ifdef FEAT_MBYTE
5092 has_mbyte ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) :
5093#endif
5094 vim_iswordc(ptr[-1])))
5095 STRCAT(buf, "\\>");
5096#ifdef FEAT_CMDHIST
5097 /* put pattern in search history */
5098 add_to_history(HIST_SEARCH, buf, TRUE, NUL);
5099#endif
5100 normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
5101 }
5102 else
5103 do_cmdline_cmd(buf);
5104
5105 vim_free(buf);
5106}
5107
5108#ifdef FEAT_VISUAL
5109/*
5110 * Get visually selected text, within one line only.
5111 * Returns FAIL if more than one line selected.
5112 */
5113 static int
5114get_visual_text(cap, pp, lenp)
5115 cmdarg_T *cap;
5116 char_u **pp; /* return: start of selected text */
5117 int *lenp; /* return: length of selected text */
5118{
5119 if (VIsual_mode != 'V')
5120 unadjust_for_sel();
5121 if (VIsual.lnum != curwin->w_cursor.lnum)
5122 {
5123 clearopbeep(cap->oap);
5124 return FAIL;
5125 }
5126 if (VIsual_mode == 'V')
5127 {
5128 *pp = ml_get_curline();
5129 *lenp = (int)STRLEN(*pp);
5130 }
5131 else
5132 {
5133 if (lt(curwin->w_cursor, VIsual))
5134 {
5135 *pp = ml_get_pos(&curwin->w_cursor);
5136 *lenp = VIsual.col - curwin->w_cursor.col + 1;
5137 }
5138 else
5139 {
5140 *pp = ml_get_pos(&VIsual);
5141 *lenp = curwin->w_cursor.col - VIsual.col + 1;
5142 }
5143#ifdef FEAT_MBYTE
5144 if (has_mbyte)
5145 /* Correct the length to include the whole last character. */
5146 *lenp += (*mb_ptr2len_check)(*pp + (*lenp - 1)) - 1;
5147#endif
5148 }
5149 reset_VIsual_and_resel();
5150 return OK;
5151}
5152#endif
5153
5154/*
5155 * CTRL-T: backwards in tag stack
5156 */
5157 static void
5158nv_tagpop(cap)
5159 cmdarg_T *cap;
5160{
5161 if (!checkclearopq(cap->oap))
5162 do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
5163}
5164
5165/*
5166 * Handle scrolling command 'H', 'L' and 'M'.
5167 */
5168 static void
5169nv_scroll(cap)
5170 cmdarg_T *cap;
5171{
5172 int used = 0;
5173 long n;
5174#ifdef FEAT_FOLDING
5175 linenr_T lnum;
5176#endif
5177 int half;
5178
5179 cap->oap->motion_type = MLINE;
5180 setpcmark();
5181
5182 if (cap->cmdchar == 'L')
5183 {
5184 validate_botline(); /* make sure curwin->w_botline is valid */
5185 curwin->w_cursor.lnum = curwin->w_botline - 1;
5186 if (cap->count1 - 1 >= curwin->w_cursor.lnum)
5187 curwin->w_cursor.lnum = 1;
5188 else
5189 curwin->w_cursor.lnum -= cap->count1 - 1;
5190 }
5191 else
5192 {
5193 if (cap->cmdchar == 'M')
5194 {
5195#ifdef FEAT_DIFF
5196 /* Don't count filler lines above the window. */
5197 used -= diff_check_fill(curwin, curwin->w_topline)
5198 - curwin->w_topfill;
5199#endif
5200 validate_botline(); /* make sure w_empty_rows is valid */
5201 half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
5202 for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
5203 {
5204#ifdef FEAT_DIFF
5205 /* Count half he number of filler lines to be "below this
5206 * line" and half to be "above the next line". */
5207 if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
5208 + n) / 2 >= half)
5209 {
5210 --n;
5211 break;
5212 }
5213#endif
5214 used += plines(curwin->w_topline + n);
5215 if (used >= half)
5216 break;
5217#ifdef FEAT_FOLDING
5218 if (hasFolding(curwin->w_topline + n, NULL, &lnum))
5219 n = lnum - curwin->w_topline;
5220#endif
5221 }
5222 if (n > 0 && used > curwin->w_height)
5223 --n;
5224 }
5225 else
5226 n = cap->count1 - 1;
5227 curwin->w_cursor.lnum = curwin->w_topline + n;
5228 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
5229 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
5230 }
5231
5232 cursor_correct(); /* correct for 'so' */
5233 beginline(BL_SOL | BL_FIX);
5234}
5235
5236/*
5237 * Cursor right commands.
5238 */
5239 static void
5240nv_right(cap)
5241 cmdarg_T *cap;
5242{
5243 long n;
5244#ifdef FEAT_VISUAL
5245 int PAST_LINE;
5246#else
5247# define PAST_LINE 0
5248#endif
5249
5250 cap->oap->motion_type = MCHAR;
5251 cap->oap->inclusive = FALSE;
5252#ifdef FEAT_VISUAL
5253 PAST_LINE = (VIsual_active && *p_sel != 'o');
5254
5255# ifdef FEAT_VIRTUALEDIT
5256 /*
5257 * In virtual mode, there's no such thing as "PAST_LINE", as lines are
5258 * (theoretically) infinitly long.
5259 */
5260 if (virtual_active())
5261 PAST_LINE = 0;
5262# endif
5263#endif
5264
5265 for (n = cap->count1; n > 0; --n)
5266 {
5267 if ((!PAST_LINE && oneright() == FAIL)
5268 || (PAST_LINE && *ml_get_cursor() == NUL))
5269 {
5270 /*
5271 * <Space> wraps to next line if 'whichwrap' bit 1 set.
5272 * 'l' wraps to next line if 'whichwrap' bit 2 set.
5273 * CURS_RIGHT wraps to next line if 'whichwrap' bit 3 set
5274 */
5275 if ( ((cap->cmdchar == ' '
5276 && vim_strchr(p_ww, 's') != NULL)
5277 || (cap->cmdchar == 'l'
5278 && vim_strchr(p_ww, 'l') != NULL)
5279 || (cap->cmdchar == K_RIGHT
5280 && vim_strchr(p_ww, '>') != NULL))
5281 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
5282 {
5283 /* When deleting we also count the NL as a character.
5284 * Set cap->oap->inclusive when last char in the line is
5285 * included, move to next line after that */
5286 if ( (cap->oap->op_type == OP_DELETE
5287 || cap->oap->op_type == OP_CHANGE)
5288 && !cap->oap->inclusive
5289 && !lineempty(curwin->w_cursor.lnum))
5290 cap->oap->inclusive = TRUE;
5291 else
5292 {
5293 ++curwin->w_cursor.lnum;
5294 curwin->w_cursor.col = 0;
5295#ifdef FEAT_VIRTUALEDIT
5296 curwin->w_cursor.coladd = 0;
5297#endif
5298 curwin->w_set_curswant = TRUE;
5299 cap->oap->inclusive = FALSE;
5300 }
5301 continue;
5302 }
5303 if (cap->oap->op_type == OP_NOP)
5304 {
5305 /* Only beep and flush if not moved at all */
5306 if (n == cap->count1)
5307 beep_flush();
5308 }
5309 else
5310 {
5311 if (!lineempty(curwin->w_cursor.lnum))
5312 cap->oap->inclusive = TRUE;
5313 }
5314 break;
5315 }
5316#ifdef FEAT_VISUAL
5317 else if (PAST_LINE)
5318 {
5319 curwin->w_set_curswant = TRUE;
5320# ifdef FEAT_VIRTUALEDIT
5321 if (virtual_active())
5322 oneright();
5323 else
5324# endif
5325 {
5326# ifdef FEAT_MBYTE
5327 if (has_mbyte)
5328 curwin->w_cursor.col +=
5329 (*mb_ptr2len_check)(ml_get_cursor());
5330 else
5331# endif
5332 ++curwin->w_cursor.col;
5333 }
5334 }
5335#endif
5336 }
5337#ifdef FEAT_FOLDING
5338 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5339 && cap->oap->op_type == OP_NOP)
5340 foldOpenCursor();
5341#endif
5342}
5343
5344/*
5345 * Cursor left commands.
5346 *
5347 * Returns TRUE when operator end should not be adjusted.
5348 */
5349 static void
5350nv_left(cap)
5351 cmdarg_T *cap;
5352{
5353 long n;
5354
5355 cap->oap->motion_type = MCHAR;
5356 cap->oap->inclusive = FALSE;
5357 for (n = cap->count1; n > 0; --n)
5358 {
5359 if (oneleft() == FAIL)
5360 {
5361 /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
5362 * 'h' wraps to previous line if 'whichwrap' has 'h'.
5363 * CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
5364 */
5365 if ( (((cap->cmdchar == K_BS
5366 || cap->cmdchar == Ctrl_H)
5367 && vim_strchr(p_ww, 'b') != NULL)
5368 || (cap->cmdchar == 'h'
5369 && vim_strchr(p_ww, 'h') != NULL)
5370 || (cap->cmdchar == K_LEFT
5371 && vim_strchr(p_ww, '<') != NULL))
5372 && curwin->w_cursor.lnum > 1)
5373 {
5374 --(curwin->w_cursor.lnum);
5375 coladvance((colnr_T)MAXCOL);
5376 curwin->w_set_curswant = TRUE;
5377
5378 /* When the NL before the first char has to be deleted we
5379 * put the cursor on the NUL after the previous line.
5380 * This is a very special case, be careful!
5381 * don't adjust op_end now, otherwise it won't work */
5382 if ( (cap->oap->op_type == OP_DELETE
5383 || cap->oap->op_type == OP_CHANGE)
5384 && !lineempty(curwin->w_cursor.lnum))
5385 {
5386 ++curwin->w_cursor.col;
5387 cap->retval |= CA_NO_ADJ_OP_END;
5388 }
5389 continue;
5390 }
5391 /* Only beep and flush if not moved at all */
5392 else if (cap->oap->op_type == OP_NOP && n == cap->count1)
5393 beep_flush();
5394 break;
5395 }
5396 }
5397#ifdef FEAT_FOLDING
5398 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
5399 && cap->oap->op_type == OP_NOP)
5400 foldOpenCursor();
5401#endif
5402}
5403
5404/*
5405 * Cursor up commands.
5406 * cap->arg is TRUE for "-": Move cursor to first non-blank.
5407 */
5408 static void
5409nv_up(cap)
5410 cmdarg_T *cap;
5411{
5412 cap->oap->motion_type = MLINE;
5413 if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5414 clearopbeep(cap->oap);
5415 else if (cap->arg)
5416 beginline(BL_WHITE | BL_FIX);
5417}
5418
5419/*
5420 * Cursor down commands.
5421 * cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
5422 */
5423 static void
5424nv_down(cap)
5425 cmdarg_T *cap;
5426{
5427#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
5428 /* In a quickfix window a <CR> jumps to the error under the cursor. */
5429 if (bt_quickfix(curbuf) && cap->cmdchar == '\r')
5430 do_cmdline_cmd((char_u *)".cc");
5431 else
5432#endif
5433 {
5434#ifdef FEAT_CMDWIN
5435 /* In the cmdline window a <CR> executes the command. */
5436 if (cmdwin_type != 0 && cap->cmdchar == '\r')
5437 cmdwin_result = CAR;
5438 else
5439#endif
5440 {
5441 cap->oap->motion_type = MLINE;
5442 if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
5443 clearopbeep(cap->oap);
5444 else if (cap->arg)
5445 beginline(BL_WHITE | BL_FIX);
5446 }
5447 }
5448}
5449
5450#ifdef FEAT_SEARCHPATH
5451/*
5452 * Grab the file name under the cursor and edit it.
5453 */
5454 static void
5455nv_gotofile(cap)
5456 cmdarg_T *cap;
5457{
5458 char_u *ptr;
5459
5460#ifdef FEAT_CMDWIN
5461 if (cmdwin_type != 0)
5462 {
5463 clearopbeep(cap->oap);
5464 return;
5465 }
5466#endif
5467
5468# ifdef FEAT_VISUAL
5469 /*
5470 * In Visual mode, use the selected text as a file name.
5471 * Don't allow selection across multiple lines.
5472 */
5473 if (VIsual_active)
5474 {
5475 int len;
5476
5477 if (get_visual_text(cap, &ptr, &len) == FAIL)
5478 return;
5479 ptr = find_file_name_in_path(ptr, len,
5480 FNAME_MESS|FNAME_EXP|FNAME_REL, cap->count1, curbuf->b_ffname);
5481 }
5482 else
5483# endif
5484 ptr = file_name_at_cursor(FNAME_MESS|FNAME_HYP|FNAME_EXP|FNAME_REL,
5485 cap->count1);
5486
5487 if (ptr != NULL)
5488 {
5489 /* do autowrite if necessary */
5490 if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
5491 autowrite(curbuf, FALSE);
5492 setpcmark();
5493 (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
5494 P_HID(curbuf) ? ECMD_HIDE : 0);
5495 vim_free(ptr);
5496 }
5497 else
5498 clearop(cap->oap);
5499}
5500#endif
5501
5502/*
5503 * <End> command: to end of current line or last line.
5504 */
5505 static void
5506nv_end(cap)
5507 cmdarg_T *cap;
5508{
5509 if (cap->arg) /* CTRL-END = goto last line */
5510 {
5511 nv_goto(cap);
5512 cap->count1 = 1; /* to end of current line */
5513 }
5514 nv_dollar(cap);
5515}
5516
5517/*
5518 * Handle the "$" command.
5519 */
5520 static void
5521nv_dollar(cap)
5522 cmdarg_T *cap;
5523{
5524 cap->oap->motion_type = MCHAR;
5525 cap->oap->inclusive = TRUE;
5526#ifdef FEAT_VIRTUALEDIT
5527 /* In virtual mode when off the edge of a line and an operator
5528 * is pending (whew!) keep the cursor where it is.
5529 * Otherwise, send it to the end of the line. */
5530 if (!virtual_active() || gchar_cursor() != NUL
5531 || cap->oap->op_type == OP_NOP)
5532#endif
5533 curwin->w_curswant = MAXCOL; /* so we stay at the end */
5534 if (cursor_down((long)(cap->count1 - 1),
5535 cap->oap->op_type == OP_NOP) == FAIL)
5536 clearopbeep(cap->oap);
5537#ifdef FEAT_FOLDING
5538 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
5539 foldOpenCursor();
5540#endif
5541}
5542
5543/*
5544 * Implementation of '?' and '/' commands.
5545 * If cap->arg is TRUE don't set PC mark.
5546 */
5547 static void
5548nv_search(cap)
5549 cmdarg_T *cap;
5550{
5551 oparg_T *oap = cap->oap;
5552
5553 if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
5554 {
5555 /* Translate "g??" to "g?g?" */
5556 cap->cmdchar = 'g';
5557 cap->nchar = '?';
5558 nv_operator(cap);
5559 return;
5560 }
5561
5562 cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
5563
5564 if (cap->searchbuf == NULL)
5565 {
5566 clearop(oap);
5567 return;
5568 }
5569
5570 normal_search(cap, cap->cmdchar, cap->searchbuf,
5571 (cap->arg ? 0 : SEARCH_MARK));
5572}
5573
5574/*
5575 * Handle "N" and "n" commands.
5576 * cap->arg is SEARCH_REV for "N", 0 for "n".
5577 */
5578 static void
5579nv_next(cap)
5580 cmdarg_T *cap;
5581{
5582 normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
5583}
5584
5585/*
5586 * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
5587 * Uses only cap->count1 and cap->oap from "cap".
5588 */
5589 static void
5590normal_search(cap, dir, pat, opt)
5591 cmdarg_T *cap;
5592 int dir;
5593 char_u *pat;
5594 int opt; /* extra flags for do_search() */
5595{
5596 int i;
5597
5598 cap->oap->motion_type = MCHAR;
5599 cap->oap->inclusive = FALSE;
5600 cap->oap->use_reg_one = TRUE;
5601 curwin->w_set_curswant = TRUE;
5602
5603 i = do_search(cap->oap, dir, pat, cap->count1,
5604 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG);
5605 if (i == 0)
5606 clearop(cap->oap);
5607 else
5608 {
5609 if (i == 2)
5610 cap->oap->motion_type = MLINE;
5611#ifdef FEAT_VIRTUALEDIT
5612 curwin->w_cursor.coladd = 0;
5613#endif
5614#ifdef FEAT_FOLDING
5615 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
5616 foldOpenCursor();
5617#endif
5618 }
5619
5620 /* "/$" will put the cursor after the end of the line, may need to
5621 * correct that here */
5622 check_cursor();
5623}
5624
5625/*
5626 * Character search commands.
5627 * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
5628 * ',' and FALSE for ';'.
5629 * cap->nchar is NUL for ',' and ';' (repeat the search)
5630 */
5631 static void
5632nv_csearch(cap)
5633 cmdarg_T *cap;
5634{
5635 int t_cmd;
5636
5637 if (cap->cmdchar == 't' || cap->cmdchar == 'T')
5638 t_cmd = TRUE;
5639 else
5640 t_cmd = FALSE;
5641
5642 cap->oap->motion_type = MCHAR;
5643 if (cap->arg == BACKWARD)
5644 cap->oap->inclusive = FALSE;
5645 else
5646 cap->oap->inclusive = TRUE;
5647 if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
5648 clearopbeep(cap->oap);
5649 else
5650 {
5651 curwin->w_set_curswant = TRUE;
5652#ifdef FEAT_VIRTUALEDIT
5653 /* Include a Tab for "tx" and for "dfx". */
5654 if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
5655 && (t_cmd || cap->oap->op_type != OP_NOP))
5656 {
5657 colnr_T scol, ecol;
5658
5659 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
5660 curwin->w_cursor.coladd = ecol - scol;
5661 }
5662 else
5663 curwin->w_cursor.coladd = 0;
5664#endif
5665#ifdef FEAT_VISUAL
5666 adjust_for_sel(cap);
5667#endif
5668#ifdef FEAT_FOLDING
5669 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
5670 foldOpenCursor();
5671#endif
5672 }
5673}
5674
5675/*
5676 * "[" and "]" commands.
5677 * cap->arg is BACKWARD for "[" and FORWARD for "]".
5678 */
5679 static void
5680nv_brackets(cap)
5681 cmdarg_T *cap;
5682{
5683 pos_T new_pos;
5684 pos_T prev_pos;
5685 pos_T *pos = NULL; /* init for GCC */
5686 pos_T old_pos; /* cursor position before command */
5687 int flag;
5688 long n;
5689 int findc;
5690 int c;
5691
5692 cap->oap->motion_type = MCHAR;
5693 cap->oap->inclusive = FALSE;
5694 old_pos = curwin->w_cursor;
5695#ifdef FEAT_VIRTUALEDIT
5696 curwin->w_cursor.coladd = 0; /* TODO: don't do this for an error. */
5697#endif
5698
5699#ifdef FEAT_SEARCHPATH
5700 /*
5701 * "[f" or "]f" : Edit file under the cursor (same as "gf")
5702 */
5703 if (cap->nchar == 'f')
5704 nv_gotofile(cap);
5705 else
5706#endif
5707
5708#ifdef FEAT_FIND_ID
5709 /*
5710 * Find the occurence(s) of the identifier or define under cursor
5711 * in current and included files or jump to the first occurence.
5712 *
5713 * search list jump
5714 * fwd bwd fwd bwd fwd bwd
5715 * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
5716 * define "]d" "[d" "]D" "[D" "]^D" "[^D"
5717 */
5718 if (vim_strchr((char_u *)
5719#ifdef EBCDIC
5720 "iI\005dD\067",
5721#else
5722 "iI\011dD\004",
5723#endif
5724 cap->nchar) != NULL)
5725 {
5726 char_u *ptr;
5727 int len;
5728
5729 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
5730 clearop(cap->oap);
5731 else
5732 {
5733 find_pattern_in_path(ptr, 0, len, TRUE,
5734 cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
5735 ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
5736 cap->count1,
5737 isupper(cap->nchar) ? ACTION_SHOW_ALL :
5738 islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
5739 cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
5740 (linenr_T)MAXLNUM);
5741 curwin->w_set_curswant = TRUE;
5742 }
5743 }
5744 else
5745#endif
5746
5747 /*
5748 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
5749 * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
5750 * "[/", "[*", "]/", "]*": go to Nth comment start/end.
5751 * "[m" or "]m" search for prev/next start of (Java) method.
5752 * "[M" or "]M" search for prev/next end of (Java) method.
5753 */
5754 if ( (cap->cmdchar == '['
5755 && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
5756 || (cap->cmdchar == ']'
5757 && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
5758 {
5759 if (cap->nchar == '*')
5760 cap->nchar = '/';
5761 new_pos.lnum = 0;
5762 prev_pos.lnum = 0;
5763 if (cap->nchar == 'm' || cap->nchar == 'M')
5764 {
5765 if (cap->cmdchar == '[')
5766 findc = '{';
5767 else
5768 findc = '}';
5769 n = 9999;
5770 }
5771 else
5772 {
5773 findc = cap->nchar;
5774 n = cap->count1;
5775 }
5776 for ( ; n > 0; --n)
5777 {
5778 if ((pos = findmatchlimit(cap->oap, findc,
5779 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
5780 {
5781 if (new_pos.lnum == 0) /* nothing found */
5782 {
5783 if (cap->nchar != 'm' && cap->nchar != 'M')
5784 clearopbeep(cap->oap);
5785 }
5786 else
5787 pos = &new_pos; /* use last one found */
5788 break;
5789 }
5790 prev_pos = new_pos;
5791 curwin->w_cursor = *pos;
5792 new_pos = *pos;
5793 }
5794 curwin->w_cursor = old_pos;
5795
5796 /*
5797 * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
5798 * brought us to the match for "[m" and "]M" when inside a method.
5799 * Try finding the '{' or '}' we want to be at.
5800 * Also repeat for the given count.
5801 */
5802 if (cap->nchar == 'm' || cap->nchar == 'M')
5803 {
5804 /* norm is TRUE for "]M" and "[m" */
5805 int norm = ((findc == '{') == (cap->nchar == 'm'));
5806
5807 n = cap->count1;
5808 /* found a match: we were inside a method */
5809 if (prev_pos.lnum != 0)
5810 {
5811 pos = &prev_pos;
5812 curwin->w_cursor = prev_pos;
5813 if (norm)
5814 --n;
5815 }
5816 else
5817 pos = NULL;
5818 while (n > 0)
5819 {
5820 for (;;)
5821 {
5822 if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
5823 {
5824 /* if not found anything, that's an error */
5825 if (pos == NULL)
5826 clearopbeep(cap->oap);
5827 n = 0;
5828 break;
5829 }
5830 c = gchar_cursor();
5831 if (c == '{' || c == '}')
5832 {
5833 /* Must have found end/start of class: use it.
5834 * Or found the place to be at. */
5835 if ((c == findc && norm) || (n == 1 && !norm))
5836 {
5837 new_pos = curwin->w_cursor;
5838 pos = &new_pos;
5839 n = 0;
5840 }
5841 /* if no match found at all, we started outside of the
5842 * class and we're inside now. Just go on. */
5843 else if (new_pos.lnum == 0)
5844 {
5845 new_pos = curwin->w_cursor;
5846 pos = &new_pos;
5847 }
5848 /* found start/end of other method: go to match */
5849 else if ((pos = findmatchlimit(cap->oap, findc,
5850 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
5851 0)) == NULL)
5852 n = 0;
5853 else
5854 curwin->w_cursor = *pos;
5855 break;
5856 }
5857 }
5858 --n;
5859 }
5860 curwin->w_cursor = old_pos;
5861 if (pos == NULL && new_pos.lnum != 0)
5862 clearopbeep(cap->oap);
5863 }
5864 if (pos != NULL)
5865 {
5866 setpcmark();
5867 curwin->w_cursor = *pos;
5868 curwin->w_set_curswant = TRUE;
5869#ifdef FEAT_FOLDING
5870 if ((fdo_flags & FDO_BLOCK) && KeyTyped
5871 && cap->oap->op_type == OP_NOP)
5872 foldOpenCursor();
5873#endif
5874 }
5875 }
5876
5877 /*
5878 * "[[", "[]", "]]" and "][": move to start or end of function
5879 */
5880 else if (cap->nchar == '[' || cap->nchar == ']')
5881 {
5882 if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */
5883 flag = '{';
5884 else
5885 flag = '}'; /* "][" or "[]" */
5886
5887 curwin->w_set_curswant = TRUE;
5888 /*
5889 * Imitate strange Vi behaviour: When using "]]" with an operator
5890 * we also stop at '}'.
5891 */
5892 if (!findpar(cap->oap, cap->arg, cap->count1, flag,
5893 (cap->oap->op_type != OP_NOP
5894 && cap->arg == FORWARD && flag == '{')))
5895 clearopbeep(cap->oap);
5896 else
5897 {
5898 if (cap->oap->op_type == OP_NOP)
5899 beginline(BL_WHITE | BL_FIX);
5900#ifdef FEAT_FOLDING
5901 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
5902 foldOpenCursor();
5903#endif
5904 }
5905 }
5906
5907 /*
5908 * "[p", "[P", "]P" and "]p": put with indent adjustment
5909 */
5910 else if (cap->nchar == 'p' || cap->nchar == 'P')
5911 {
5912 if (!checkclearopq(cap->oap))
5913 {
5914 prep_redo_cmd(cap);
5915 do_put(cap->oap->regname,
5916 (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD,
5917 cap->count1, PUT_FIXINDENT);
5918 }
5919 }
5920
5921 /*
5922 * "['", "[`", "]'" and "]`": jump to next mark
5923 */
5924 else if (cap->nchar == '\'' || cap->nchar == '`')
5925 {
5926 pos = &curwin->w_cursor;
5927 for (n = cap->count1; n > 0; --n)
5928 {
5929 prev_pos = *pos;
5930 pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
5931 cap->nchar == '\'');
5932 if (pos == NULL)
5933 break;
5934 }
5935 if (pos == NULL)
5936 pos = &prev_pos;
5937 nv_cursormark(cap, cap->nchar == '\'', pos);
5938 }
5939
5940#ifdef FEAT_MOUSE
5941 /*
5942 * [ or ] followed by a middle mouse click: put selected text with
5943 * indent adjustment. Any other button just does as usual.
5944 */
5945 else if (cap->nchar >= K_LEFTMOUSE && cap->nchar <= K_RIGHTRELEASE)
5946 {
5947 (void)do_mouse(cap->oap, cap->nchar,
5948 (cap->cmdchar == ']') ? FORWARD : BACKWARD,
5949 cap->count1, PUT_FIXINDENT);
5950 }
5951#endif /* FEAT_MOUSE */
5952
5953#ifdef FEAT_FOLDING
5954 /*
5955 * "[z" and "]z": move to start or end of open fold.
5956 */
5957 else if (cap->nchar == 'z')
5958 {
5959 if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
5960 cap->count1) == FAIL)
5961 clearopbeep(cap->oap);
5962 }
5963#endif
5964
5965#ifdef FEAT_DIFF
5966 /*
5967 * "[c" and "]c": move to next or previous diff-change.
5968 */
5969 else if (cap->nchar == 'c')
5970 {
5971 if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
5972 cap->count1) == FAIL)
5973 clearopbeep(cap->oap);
5974 }
5975#endif
5976
5977 /* Not a valid cap->nchar. */
5978 else
5979 clearopbeep(cap->oap);
5980}
5981
5982/*
5983 * Handle Normal mode "%" command.
5984 */
5985 static void
5986nv_percent(cap)
5987 cmdarg_T *cap;
5988{
5989 pos_T *pos;
5990#ifdef FEAT_FOLDING
5991 linenr_T lnum = curwin->w_cursor.lnum;
5992#endif
5993
5994 cap->oap->inclusive = TRUE;
5995 if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */
5996 {
5997 if (cap->count0 > 100)
5998 clearopbeep(cap->oap);
5999 else
6000 {
6001 cap->oap->motion_type = MLINE;
6002 setpcmark();
6003 /* Round up, so CTRL-G will give same value. Watch out for a
6004 * large line count, the line number must not go negative! */
6005 if (curbuf->b_ml.ml_line_count > 1000000)
6006 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
6007 / 100L * cap->count0;
6008 else
6009 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
6010 cap->count0 + 99L) / 100L;
6011 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6012 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6013 beginline(BL_SOL | BL_FIX);
6014 }
6015 }
6016 else /* "%" : go to matching paren */
6017 {
6018 cap->oap->motion_type = MCHAR;
6019 cap->oap->use_reg_one = TRUE;
6020 if ((pos = findmatch(cap->oap, NUL)) == NULL)
6021 clearopbeep(cap->oap);
6022 else
6023 {
6024 setpcmark();
6025 curwin->w_cursor = *pos;
6026 curwin->w_set_curswant = TRUE;
6027#ifdef FEAT_VIRTUALEDIT
6028 curwin->w_cursor.coladd = 0;
6029#endif
6030#ifdef FEAT_VISUAL
6031 adjust_for_sel(cap);
6032#endif
6033 }
6034 }
6035#ifdef FEAT_FOLDING
6036 if (cap->oap->op_type == OP_NOP
6037 && lnum != curwin->w_cursor.lnum
6038 && (fdo_flags & FDO_PERCENT)
6039 && KeyTyped)
6040 foldOpenCursor();
6041#endif
6042}
6043
6044/*
6045 * Handle "(" and ")" commands.
6046 * cap->arg is BACKWARD for "(" and FORWARD for ")".
6047 */
6048 static void
6049nv_brace(cap)
6050 cmdarg_T *cap;
6051{
6052 cap->oap->motion_type = MCHAR;
6053 cap->oap->use_reg_one = TRUE;
6054 if (cap->cmdchar == ')')
6055 cap->oap->inclusive = FALSE;
6056 else
6057 cap->oap->inclusive = TRUE;
6058 curwin->w_set_curswant = TRUE;
6059
6060 if (findsent(cap->arg, cap->count1) == FAIL)
6061 clearopbeep(cap->oap);
6062 else
6063 {
6064#ifdef FEAT_VIRTUALEDIT
6065 curwin->w_cursor.coladd = 0;
6066#endif
6067#ifdef FEAT_FOLDING
6068 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6069 foldOpenCursor();
6070#endif
6071 }
6072}
6073
6074/*
6075 * "m" command: Mark a position.
6076 */
6077 static void
6078nv_mark(cap)
6079 cmdarg_T *cap;
6080{
6081 if (!checkclearop(cap->oap))
6082 {
6083 if (setmark(cap->nchar) == FAIL)
6084 clearopbeep(cap->oap);
6085 }
6086}
6087
6088/*
6089 * "{" and "}" commands.
6090 * cmd->arg is BACKWARD for "{" and FORWARD for "}".
6091 */
6092 static void
6093nv_findpar(cap)
6094 cmdarg_T *cap;
6095{
6096 cap->oap->motion_type = MCHAR;
6097 cap->oap->inclusive = FALSE;
6098 cap->oap->use_reg_one = TRUE;
6099 curwin->w_set_curswant = TRUE;
6100 if (!findpar(cap->oap, cap->arg, cap->count1, NUL, FALSE))
6101 clearopbeep(cap->oap);
6102 else
6103 {
6104#ifdef FEAT_VIRTUALEDIT
6105 curwin->w_cursor.coladd = 0;
6106#endif
6107#ifdef FEAT_FOLDING
6108 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
6109 foldOpenCursor();
6110#endif
6111 }
6112}
6113
6114/*
6115 * "u" command: Undo or make lower case.
6116 */
6117 static void
6118nv_undo(cap)
6119 cmdarg_T *cap;
6120{
6121 if (cap->oap->op_type == OP_LOWER
6122#ifdef FEAT_VISUAL
6123 || VIsual_active
6124#endif
6125 )
6126 {
6127 /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */
6128 cap->cmdchar = 'g';
6129 cap->nchar = 'u';
6130 nv_operator(cap);
6131 }
6132 else
6133 nv_kundo(cap);
6134}
6135
6136/*
6137 * <Undo> command.
6138 */
6139 static void
6140nv_kundo(cap)
6141 cmdarg_T *cap;
6142{
6143 if (!checkclearopq(cap->oap))
6144 {
6145 u_undo((int)cap->count1);
6146 curwin->w_set_curswant = TRUE;
6147 }
6148}
6149
6150/*
6151 * Handle the "r" command.
6152 */
6153 static void
6154nv_replace(cap)
6155 cmdarg_T *cap;
6156{
6157 char_u *ptr;
6158 int had_ctrl_v;
6159 long n;
6160
6161 if (checkclearop(cap->oap))
6162 return;
6163
6164 /* get another character */
6165 if (cap->nchar == Ctrl_V)
6166 {
6167 had_ctrl_v = Ctrl_V;
6168 cap->nchar = get_literal();
6169 /* Don't redo a multibyte character with CTRL-V. */
6170 if (cap->nchar > DEL)
6171 had_ctrl_v = NUL;
6172 }
6173 else
6174 had_ctrl_v = NUL;
6175
6176#ifdef FEAT_VISUAL
6177 /* Visual mode "r" */
6178 if (VIsual_active)
6179 {
6180 nv_operator(cap);
6181 return;
6182 }
6183#endif
6184
6185#ifdef FEAT_VIRTUALEDIT
6186 /* Break tabs, etc. */
6187 if (virtual_active())
6188 {
6189 if (u_save_cursor() == FAIL)
6190 return;
6191 if (gchar_cursor() == NUL)
6192 {
6193 /* Add extra space and put the cursor on the first one. */
6194 coladvance_force((colnr_T)(getviscol() + cap->count1));
6195 curwin->w_cursor.col -= cap->count1;
6196 }
6197 else if (gchar_cursor() == TAB)
6198 coladvance_force(getviscol());
6199 }
6200#endif
6201
6202 /*
6203 * Check for a special key or not enough characters to replace.
6204 */
6205 ptr = ml_get_cursor();
6206 if (IS_SPECIAL(cap->nchar) || STRLEN(ptr) < (unsigned)cap->count1
6207#ifdef FEAT_MBYTE
6208 || (has_mbyte && mb_charlen(ptr) < cap->count1)
6209#endif
6210 )
6211 {
6212 clearopbeep(cap->oap);
6213 return;
6214 }
6215
6216 /*
6217 * Replacing with a TAB is done by edit() when it is complicated because
6218 * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
6219 * Other characters are done below to avoid problems with things like
6220 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
6221 */
6222 if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
6223 {
6224 stuffnumReadbuff(cap->count1);
6225 stuffcharReadbuff('R');
6226 stuffcharReadbuff('\t');
6227 stuffcharReadbuff(ESC);
6228 return;
6229 }
6230
6231 /* save line for undo */
6232 if (u_save_cursor() == FAIL)
6233 return;
6234
6235 if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
6236 {
6237 /*
6238 * Replace character(s) by a single newline.
6239 * Strange vi behaviour: Only one newline is inserted.
6240 * Delete the characters here.
6241 * Insert the newline with an insert command, takes care of
6242 * autoindent. The insert command depends on being on the last
6243 * character of a line or not.
6244 */
6245#ifdef FEAT_MBYTE
6246 (void)del_chars(cap->count1, FALSE); /* delete the characters */
6247#else
6248 (void)del_bytes(cap->count1, FALSE); /* delete the characters */
6249#endif
6250 stuffcharReadbuff('\r');
6251 stuffcharReadbuff(ESC);
6252
6253 /* Give 'r' to edit(), to get the redo command right. */
6254 invoke_edit(cap, TRUE, 'r', FALSE);
6255 }
6256 else
6257 {
6258 prep_redo(cap->oap->regname, cap->count1,
6259 NUL, 'r', NUL, had_ctrl_v, cap->nchar);
6260
6261 curbuf->b_op_start = curwin->w_cursor;
6262#ifdef FEAT_MBYTE
6263 if (has_mbyte)
6264 {
6265 int old_State = State;
6266
6267 if (cap->ncharC1 != 0)
6268 AppendCharToRedobuff(cap->ncharC1);
6269 if (cap->ncharC2 != 0)
6270 AppendCharToRedobuff(cap->ncharC2);
6271
6272 /* This is slow, but it handles replacing a single-byte with a
6273 * multi-byte and the other way around. Also handles adding
6274 * composing characters for utf-8. */
6275 for (n = cap->count1; n > 0; --n)
6276 {
6277 State = REPLACE;
6278 ins_char(cap->nchar);
6279 State = old_State;
6280 if (cap->ncharC1 != 0)
6281 ins_char(cap->ncharC1);
6282 if (cap->ncharC2 != 0)
6283 ins_char(cap->ncharC2);
6284 }
6285 }
6286 else
6287#endif
6288 {
6289 /*
6290 * Replace the characters within one line.
6291 */
6292 for (n = cap->count1; n > 0; --n)
6293 {
6294 /*
6295 * Get ptr again, because u_save and/or showmatch() will have
6296 * released the line. At the same time we let know that the
6297 * line will be changed.
6298 */
6299 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
6300 ptr[curwin->w_cursor.col] = cap->nchar;
6301 if (p_sm && msg_silent == 0)
6302 showmatch(cap->nchar);
6303 ++curwin->w_cursor.col;
6304 }
6305#ifdef FEAT_NETBEANS_INTG
6306 if (usingNetbeans)
6307 {
6308 colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
6309
6310 netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
6311 (int)cap->count1, &ptr[start], (int)cap->count1);
6312 }
6313#endif
6314
6315 /* mark the buffer as changed and prepare for displaying */
6316 changed_bytes(curwin->w_cursor.lnum,
6317 (colnr_T)(curwin->w_cursor.col - cap->count1));
6318 }
6319 --curwin->w_cursor.col; /* cursor on the last replaced char */
6320#ifdef FEAT_MBYTE
6321 /* if the character on the left of the current cursor is a multi-byte
6322 * character, move two characters left */
6323 if (has_mbyte)
6324 mb_adjust_cursor();
6325#endif
6326 curbuf->b_op_end = curwin->w_cursor;
6327 curwin->w_set_curswant = TRUE;
6328 set_last_insert(cap->nchar);
6329 }
6330}
6331
6332#ifdef FEAT_VISUAL
6333/*
6334 * 'o': Exchange start and end of Visual area.
6335 * 'O': same, but in block mode exchange left and right corners.
6336 */
6337 static void
6338v_swap_corners(cmdchar)
6339 int cmdchar;
6340{
6341 pos_T old_cursor;
6342 colnr_T left, right;
6343
6344 if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
6345 {
6346 old_cursor = curwin->w_cursor;
6347 getvcols(curwin, &old_cursor, &VIsual, &left, &right);
6348 curwin->w_cursor.lnum = VIsual.lnum;
6349 coladvance(left);
6350 VIsual = curwin->w_cursor;
6351
6352 curwin->w_cursor.lnum = old_cursor.lnum;
6353 curwin->w_curswant = right;
6354 /* 'selection "exclusive" and cursor at right-bottom corner: move it
6355 * right one column */
6356 if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
6357 ++curwin->w_curswant;
6358 coladvance(curwin->w_curswant);
6359 if (curwin->w_cursor.col == old_cursor.col
6360#ifdef FEAT_VIRTUALEDIT
6361 && (!virtual_active()
6362 || curwin->w_cursor.coladd == old_cursor.coladd)
6363#endif
6364 )
6365 {
6366 curwin->w_cursor.lnum = VIsual.lnum;
6367 if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
6368 ++right;
6369 coladvance(right);
6370 VIsual = curwin->w_cursor;
6371
6372 curwin->w_cursor.lnum = old_cursor.lnum;
6373 coladvance(left);
6374 curwin->w_curswant = left;
6375 }
6376 }
6377 else
6378 {
6379 old_cursor = curwin->w_cursor;
6380 curwin->w_cursor = VIsual;
6381 VIsual = old_cursor;
6382 curwin->w_set_curswant = TRUE;
6383 }
6384}
6385#endif /* FEAT_VISUAL */
6386
6387/*
6388 * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
6389 */
6390 static void
6391nv_Replace(cap)
6392 cmdarg_T *cap;
6393{
6394#ifdef FEAT_VISUAL
6395 if (VIsual_active) /* "R" is replace lines */
6396 {
6397 cap->cmdchar = 'c';
6398 cap->nchar = NUL;
6399 VIsual_mode = 'V';
6400 nv_operator(cap);
6401 }
6402 else
6403#endif
6404 if (!checkclearopq(cap->oap))
6405 {
6406 if (!curbuf->b_p_ma)
6407 EMSG(_(e_modifiable));
6408 else
6409 {
6410#ifdef FEAT_VIRTUALEDIT
6411 if (virtual_active())
6412 coladvance(getviscol());
6413#endif
6414 invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
6415 }
6416 }
6417}
6418
6419#ifdef FEAT_VREPLACE
6420/*
6421 * "gr".
6422 */
6423 static void
6424nv_vreplace(cap)
6425 cmdarg_T *cap;
6426{
6427# ifdef FEAT_VISUAL
6428 if (VIsual_active)
6429 {
6430 cap->cmdchar = 'r';
6431 cap->nchar = cap->extra_char;
6432 nv_replace(cap); /* Do same as "r" in Visual mode for now */
6433 }
6434 else
6435# endif
6436 if (!checkclearopq(cap->oap))
6437 {
6438 if (!curbuf->b_p_ma)
6439 EMSG(_(e_modifiable));
6440 else
6441 {
6442 if (cap->extra_char == Ctrl_V) /* get another character */
6443 cap->extra_char = get_literal();
6444 stuffcharReadbuff(cap->extra_char);
6445 stuffcharReadbuff(ESC);
6446# ifdef FEAT_VIRTUALEDIT
6447 if (virtual_active())
6448 coladvance(getviscol());
6449# endif
6450 invoke_edit(cap, TRUE, 'v', FALSE);
6451 }
6452 }
6453}
6454#endif
6455
6456/*
6457 * Swap case for "~" command, when it does not work like an operator.
6458 */
6459 static void
6460n_swapchar(cap)
6461 cmdarg_T *cap;
6462{
6463 long n;
6464 pos_T startpos;
6465 int did_change = 0;
6466#ifdef FEAT_NETBEANS_INTG
6467 pos_T pos;
6468 char_u *ptr;
6469 int count;
6470#endif
6471
6472 if (checkclearopq(cap->oap))
6473 return;
6474
6475 if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
6476 {
6477 clearopbeep(cap->oap);
6478 return;
6479 }
6480
6481 prep_redo_cmd(cap);
6482
6483 if (u_save_cursor() == FAIL)
6484 return;
6485
6486 startpos = curwin->w_cursor;
6487#ifdef FEAT_NETBEANS_INTG
6488 pos = startpos;
6489#endif
6490 for (n = cap->count1; n > 0; --n)
6491 {
6492 did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
6493 inc_cursor();
6494 if (gchar_cursor() == NUL)
6495 {
6496 if (vim_strchr(p_ww, '~') != NULL
6497 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
6498 {
6499#ifdef FEAT_NETBEANS_INTG
6500 if (usingNetbeans)
6501 {
6502 if (did_change)
6503 {
6504 ptr = ml_get(pos.lnum);
6505 count = STRLEN(ptr) - pos.col;
6506 netbeans_inserted(curbuf, pos.lnum, pos.col,
6507 count, &ptr[pos.col], count);
6508 }
6509 pos.col = 0;
6510 pos.lnum++;
6511 }
6512#endif
6513 ++curwin->w_cursor.lnum;
6514 curwin->w_cursor.col = 0;
6515 if (n > 1)
6516 {
6517 if (u_savesub(curwin->w_cursor.lnum) == FAIL)
6518 break;
6519 u_clearline();
6520 }
6521 }
6522 else
6523 break;
6524 }
6525 }
6526#ifdef FEAT_NETBEANS_INTG
6527 if (did_change && usingNetbeans)
6528 {
6529 ptr = ml_get(pos.lnum);
6530 count = curwin->w_cursor.col - pos.col;
6531 netbeans_inserted(curbuf, pos.lnum, pos.col,
6532 count, &ptr[pos.col], count);
6533 }
6534#endif
6535
6536
6537 check_cursor();
6538 curwin->w_set_curswant = TRUE;
6539 if (did_change)
6540 {
6541 changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
6542 0L);
6543 curbuf->b_op_start = startpos;
6544 curbuf->b_op_end = curwin->w_cursor;
6545 if (curbuf->b_op_end.col > 0)
6546 --curbuf->b_op_end.col;
6547 }
6548}
6549
6550/*
6551 * Move cursor to mark.
6552 */
6553 static void
6554nv_cursormark(cap, flag, pos)
6555 cmdarg_T *cap;
6556 int flag;
6557 pos_T *pos;
6558{
6559 if (check_mark(pos) == FAIL)
6560 clearop(cap->oap);
6561 else
6562 {
6563 if (cap->cmdchar == '\''
6564 || cap->cmdchar == '`'
6565 || cap->cmdchar == '['
6566 || cap->cmdchar == ']')
6567 setpcmark();
6568 curwin->w_cursor = *pos;
6569 if (flag)
6570 beginline(BL_WHITE | BL_FIX);
6571 else
6572 check_cursor();
6573 }
6574 cap->oap->motion_type = flag ? MLINE : MCHAR;
6575 if (cap->cmdchar == '`')
6576 cap->oap->use_reg_one = TRUE;
6577 cap->oap->inclusive = FALSE; /* ignored if not MCHAR */
6578 curwin->w_set_curswant = TRUE;
6579}
6580
6581#ifdef FEAT_VISUAL
6582/*
6583 * Handle commands that are operators in Visual mode.
6584 */
6585 static void
6586v_visop(cap)
6587 cmdarg_T *cap;
6588{
6589 static char_u trans[] = "YyDdCcxdXdAAIIrr";
6590
6591 /* Uppercase means linewise, except in block mode, then "D" deletes till
6592 * the end of the line, and "C" replaces til EOL */
6593 if (isupper(cap->cmdchar))
6594 {
6595 if (VIsual_mode != Ctrl_V)
6596 VIsual_mode = 'V';
6597 else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
6598 curwin->w_curswant = MAXCOL;
6599 }
6600 cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
6601 nv_operator(cap);
6602}
6603#endif
6604
6605/*
6606 * "s" and "S" commands.
6607 */
6608 static void
6609nv_subst(cap)
6610 cmdarg_T *cap;
6611{
6612#ifdef FEAT_VISUAL
6613 if (VIsual_active) /* "vs" and "vS" are the same as "vc" */
6614 {
6615 if (cap->cmdchar == 'S')
6616 VIsual_mode = 'V';
6617 cap->cmdchar = 'c';
6618 nv_operator(cap);
6619 }
6620 else
6621#endif
6622 nv_optrans(cap);
6623}
6624
6625/*
6626 * Abbreviated commands.
6627 */
6628 static void
6629nv_abbrev(cap)
6630 cmdarg_T *cap;
6631{
6632 if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
6633 cap->cmdchar = 'x'; /* DEL key behaves like 'x' */
6634
6635#ifdef FEAT_VISUAL
6636 /* in Visual mode these commands are operators */
6637 if (VIsual_active)
6638 v_visop(cap);
6639 else
6640#endif
6641 nv_optrans(cap);
6642}
6643
6644/*
6645 * Translate a command into another command.
6646 */
6647 static void
6648nv_optrans(cap)
6649 cmdarg_T *cap;
6650{
6651 static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
6652 (char_u *)"d$", (char_u *)"c$",
6653 (char_u *)"cl", (char_u *)"cc",
6654 (char_u *)"yy", (char_u *)":s\r"};
6655 static char_u *str = (char_u *)"xXDCsSY&";
6656
6657 if (!checkclearopq(cap->oap))
6658 {
6659 if (cap->count0)
6660 stuffnumReadbuff(cap->count0);
6661 stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
6662 }
6663 cap->opcount = 0;
6664}
6665
6666/*
6667 * "'" and "`" commands. Also for "g'" and "g`".
6668 * cap->arg is TRUE for "'" and "g'".
6669 */
6670 static void
6671nv_gomark(cap)
6672 cmdarg_T *cap;
6673{
6674 pos_T *pos;
6675 int c;
6676#ifdef FEAT_FOLDING
6677 linenr_T lnum = curwin->w_cursor.lnum;
6678 int old_KeyTyped = KeyTyped; /* getting file may reset it */
6679#endif
6680
6681 if (cap->cmdchar == 'g')
6682 c = cap->extra_char;
6683 else
6684 c = cap->nchar;
6685 pos = getmark(c, (cap->oap->op_type == OP_NOP));
6686 if (pos == (pos_T *)-1) /* jumped to other file */
6687 {
6688 if (cap->arg)
6689 {
6690 check_cursor_lnum();
6691 beginline(BL_WHITE | BL_FIX);
6692 }
6693 else
6694 check_cursor();
6695 }
6696 else
6697 nv_cursormark(cap, cap->arg, pos);
6698
6699#ifdef FEAT_VIRTUALEDIT
6700 /* May need to clear the coladd that a mark includes. */
6701 if (!virtual_active())
6702 curwin->w_cursor.coladd = 0;
6703#endif
6704#ifdef FEAT_FOLDING
6705 if (cap->oap->op_type == OP_NOP
6706 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
6707 && (fdo_flags & FDO_MARK)
6708 && old_KeyTyped)
6709 foldOpenCursor();
6710#endif
6711}
6712
6713/*
6714 * Handle CTRL-O, CTRL-I, "g;" and "g," commands.
6715 */
6716 static void
6717nv_pcmark(cap)
6718 cmdarg_T *cap;
6719{
6720#ifdef FEAT_JUMPLIST
6721 pos_T *pos;
6722# ifdef FEAT_FOLDING
6723 linenr_T lnum = curwin->w_cursor.lnum;
6724 int old_KeyTyped = KeyTyped; /* getting file may reset it */
6725# endif
6726
6727 if (!checkclearopq(cap->oap))
6728 {
6729 if (cap->cmdchar == 'g')
6730 pos = movechangelist((int)cap->count1);
6731 else
6732 pos = movemark((int)cap->count1);
6733 if (pos == (pos_T *)-1) /* jump to other file */
6734 {
6735 curwin->w_set_curswant = TRUE;
6736 check_cursor();
6737 }
6738 else if (pos != NULL) /* can jump */
6739 nv_cursormark(cap, FALSE, pos);
6740 else if (cap->cmdchar == 'g')
6741 {
6742 if (curbuf->b_changelistlen == 0)
6743 EMSG(_("E664: changelist is empty"));
6744 else if (cap->count1 < 0)
6745 EMSG(_("E662: At start of changelist"));
6746 else
6747 EMSG(_("E663: At end of changelist"));
6748 }
6749 else
6750 clearopbeep(cap->oap);
6751# ifdef FEAT_FOLDING
6752 if (cap->oap->op_type == OP_NOP
6753 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
6754 && (fdo_flags & FDO_MARK)
6755 && old_KeyTyped)
6756 foldOpenCursor();
6757# endif
6758 }
6759#else
6760 clearopbeep(cap->oap);
6761#endif
6762}
6763
6764/*
6765 * Handle '"' command.
6766 */
6767 static void
6768nv_regname(cap)
6769 cmdarg_T *cap;
6770{
6771 if (checkclearop(cap->oap))
6772 return;
6773#ifdef FEAT_EVAL
6774 if (cap->nchar == '=')
6775 cap->nchar = get_expr_register();
6776#endif
6777 if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
6778 {
6779 cap->oap->regname = cap->nchar;
6780 cap->opcount = cap->count0; /* remember count before '"' */
6781#ifdef FEAT_EVAL
6782 set_reg_var(cap->oap->regname);
6783#endif
6784 }
6785 else
6786 clearopbeep(cap->oap);
6787}
6788
6789#ifdef FEAT_VISUAL
6790/*
6791 * Handle "v", "V" and "CTRL-V" commands.
6792 * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
6793 * is TRUE.
6794 */
6795 static void
6796nv_visual(cap)
6797 cmdarg_T *cap;
6798{
6799 /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it
6800 * characterwise, linewise, or blockwise. */
6801 if (cap->oap->op_type != OP_NOP)
6802 {
6803 cap->oap->motion_force = cap->cmdchar;
6804 finish_op = FALSE; /* operator doesn't finish now but later */
6805 return;
6806 }
6807
6808 VIsual_select = cap->arg;
6809 if (VIsual_active) /* change Visual mode */
6810 {
6811 if (VIsual_mode == cap->cmdchar) /* stop visual mode */
6812 end_visual_mode();
6813 else /* toggle char/block mode */
6814 { /* or char/line mode */
6815 VIsual_mode = cap->cmdchar;
6816 showmode();
6817 }
6818 redraw_curbuf_later(INVERTED); /* update the inversion */
6819 }
6820 else /* start Visual mode */
6821 {
6822 check_visual_highlight();
6823 if (cap->count0) /* use previously selected part */
6824 {
6825 if (resel_VIsual_mode == NUL) /* there is none */
6826 {
6827 beep_flush();
6828 return;
6829 }
6830 VIsual = curwin->w_cursor;
6831
6832 VIsual_active = TRUE;
6833 VIsual_reselect = TRUE;
6834 if (!cap->arg)
6835 /* start Select mode when 'selectmode' contains "cmd" */
6836 may_start_select('c');
6837#ifdef FEAT_MOUSE
6838 setmouse();
6839#endif
6840 if (p_smd)
6841 redraw_cmdline = TRUE; /* show visual mode later */
6842 /*
6843 * For V and ^V, we multiply the number of lines even if there
6844 * was only one -- webb
6845 */
6846 if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
6847 {
6848 curwin->w_cursor.lnum +=
6849 resel_VIsual_line_count * cap->count0 - 1;
6850 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
6851 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
6852 }
6853 VIsual_mode = resel_VIsual_mode;
6854 if (VIsual_mode == 'v')
6855 {
6856 if (resel_VIsual_line_count <= 1)
6857 curwin->w_cursor.col += resel_VIsual_col * cap->count0 - 1;
6858 else
6859 curwin->w_cursor.col = resel_VIsual_col;
6860 check_cursor_col();
6861 }
6862 if (resel_VIsual_col == MAXCOL)
6863 {
6864 curwin->w_curswant = MAXCOL;
6865 coladvance((colnr_T)MAXCOL);
6866 }
6867 else if (VIsual_mode == Ctrl_V)
6868 {
6869 validate_virtcol();
6870 curwin->w_curswant = curwin->w_virtcol
6871 + resel_VIsual_col * cap->count0 - 1;
6872 coladvance(curwin->w_curswant);
6873 }
6874 else
6875 curwin->w_set_curswant = TRUE;
6876 redraw_curbuf_later(INVERTED); /* show the inversion */
6877 }
6878 else
6879 {
6880 if (!cap->arg)
6881 /* start Select mode when 'selectmode' contains "cmd" */
6882 may_start_select('c');
6883 n_start_visual_mode(cap->cmdchar);
6884 }
6885 }
6886}
6887
6888/*
6889 * Start selection for Shift-movement keys.
6890 */
6891 void
6892start_selection()
6893{
6894 /* if 'selectmode' contains "key", start Select mode */
6895 may_start_select('k');
6896 n_start_visual_mode('v');
6897}
6898
6899/*
6900 * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
6901 */
6902 void
6903may_start_select(c)
6904 int c;
6905{
6906 VIsual_select = (stuff_empty() && typebuf_typed()
6907 && (vim_strchr(p_slm, c) != NULL));
6908}
6909
6910/*
6911 * Start Visual mode "c".
6912 * Should set VIsual_select before calling this.
6913 */
6914 static void
6915n_start_visual_mode(c)
6916 int c;
6917{
6918 VIsual_mode = c;
6919 VIsual_active = TRUE;
6920 VIsual_reselect = TRUE;
6921#ifdef FEAT_VIRTUALEDIT
6922 /* Corner case: the 0 position in a tab may change when going into
6923 * virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting.
6924 */
6925 if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB)
6926 coladvance(curwin->w_virtcol);
6927#endif
6928 VIsual = curwin->w_cursor;
6929
6930#ifdef FEAT_FOLDING
6931 foldAdjustVisual();
6932#endif
6933
6934#ifdef FEAT_MOUSE
6935 setmouse();
6936#endif
6937 if (p_smd)
6938 redraw_cmdline = TRUE; /* show visual mode later */
6939#ifdef FEAT_CLIPBOARD
6940 /* Make sure the clipboard gets updated. Needed because start and
6941 * end may still be the same, and the selection needs to be owned */
6942 clip_star.vmode = NUL;
6943#endif
6944
6945 /* Only need to redraw this line, unless still need to redraw an old
6946 * Visual area (when 'lazyredraw' is set). */
6947 if (curwin->w_redr_type < INVERTED)
6948 {
6949 curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
6950 curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
6951 }
6952}
6953
6954#endif /* FEAT_VISUAL */
6955
6956/*
6957 * CTRL-W: Window commands
6958 */
6959 static void
6960nv_window(cap)
6961 cmdarg_T *cap;
6962{
6963#ifdef FEAT_WINDOWS
6964 if (!checkclearop(cap->oap))
6965 do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */
6966#else
6967 (void)checkclearop(cap->oap);
6968#endif
6969}
6970
6971/*
6972 * CTRL-Z: Suspend
6973 */
6974 static void
6975nv_suspend(cap)
6976 cmdarg_T *cap;
6977{
6978 clearop(cap->oap);
6979#ifdef FEAT_VISUAL
6980 if (VIsual_active)
6981 end_visual_mode(); /* stop Visual mode */
6982#endif
6983 do_cmdline_cmd((char_u *)"st");
6984}
6985
6986/*
6987 * Commands starting with "g".
6988 */
6989 static void
6990nv_g_cmd(cap)
6991 cmdarg_T *cap;
6992{
6993 oparg_T *oap = cap->oap;
6994#ifdef FEAT_VISUAL
6995 pos_T tpos;
6996#endif
6997 int i;
6998 int flag = FALSE;
6999
7000 switch (cap->nchar)
7001 {
7002#ifdef MEM_PROFILE
7003 /*
7004 * "g^A": dump log of used memory.
7005 */
7006 case Ctrl_A:
7007 vim_mem_profile_dump();
7008 break;
7009#endif
7010
7011#ifdef FEAT_VREPLACE
7012 /*
7013 * "gR": Enter virtual replace mode.
7014 */
7015 case 'R':
7016 cap->arg = TRUE;
7017 nv_Replace(cap);
7018 break;
7019
7020 case 'r':
7021 nv_vreplace(cap);
7022 break;
7023#endif
7024
7025 case '&':
7026 do_cmdline_cmd((char_u *)"%s//~/&");
7027 break;
7028
7029#ifdef FEAT_VISUAL
7030 /*
7031 * "gv": Reselect the previous Visual area. If Visual already active,
7032 * exchange previous and current Visual area.
7033 */
7034 case 'v':
7035 if (checkclearop(oap))
7036 break;
7037
7038 if ( curbuf->b_visual_start.lnum == 0
7039 || curbuf->b_visual_start.lnum > curbuf->b_ml.ml_line_count
7040 || curbuf->b_visual_end.lnum == 0)
7041 beep_flush();
7042 else
7043 {
7044 /* set w_cursor to the start of the Visual area, tpos to the end */
7045 if (VIsual_active)
7046 {
7047 i = VIsual_mode;
7048 VIsual_mode = curbuf->b_visual_mode;
7049 curbuf->b_visual_mode = i;
7050# ifdef FEAT_EVAL
7051 curbuf->b_visual_mode_eval = i;
7052# endif
7053 i = curwin->w_curswant;
7054 curwin->w_curswant = curbuf->b_visual_curswant;
7055 curbuf->b_visual_curswant = i;
7056
7057 tpos = curbuf->b_visual_end;
7058 curbuf->b_visual_end = curwin->w_cursor;
7059 curwin->w_cursor = curbuf->b_visual_start;
7060 curbuf->b_visual_start = VIsual;
7061 }
7062 else
7063 {
7064 VIsual_mode = curbuf->b_visual_mode;
7065 curwin->w_curswant = curbuf->b_visual_curswant;
7066 tpos = curbuf->b_visual_end;
7067 curwin->w_cursor = curbuf->b_visual_start;
7068 }
7069
7070 VIsual_active = TRUE;
7071 VIsual_reselect = TRUE;
7072
7073 /* Set Visual to the start and w_cursor to the end of the Visual
7074 * area. Make sure they are on an existing character. */
7075 check_cursor();
7076 VIsual = curwin->w_cursor;
7077 curwin->w_cursor = tpos;
7078 check_cursor();
7079 update_topline();
7080 /*
7081 * When called from normal "g" command: start Select mode when
7082 * 'selectmode' contains "cmd". When called for K_SELECT, always
7083 * start Select mode.
7084 */
7085 if (cap->arg)
7086 VIsual_select = TRUE;
7087 else
7088 may_start_select('c');
7089#ifdef FEAT_MOUSE
7090 setmouse();
7091#endif
7092#ifdef FEAT_CLIPBOARD
7093 /* Make sure the clipboard gets updated. Needed because start and
7094 * end are still the same, and the selection needs to be owned */
7095 clip_star.vmode = NUL;
7096#endif
7097 redraw_curbuf_later(INVERTED);
7098 showmode();
7099 }
7100 break;
7101 /*
7102 * "gV": Don't reselect the previous Visual area after a Select mode
7103 * mapping of menu.
7104 */
7105 case 'V':
7106 VIsual_reselect = FALSE;
7107 break;
7108
7109 /*
7110 * "gh": start Select mode.
7111 * "gH": start Select line mode.
7112 * "g^H": start Select block mode.
7113 */
7114 case K_BS:
7115 cap->nchar = Ctrl_H;
7116 /* FALLTHROUGH */
7117 case 'h':
7118 case 'H':
7119 case Ctrl_H:
7120# ifdef EBCDIC
7121 /* EBCDIC: 'v'-'h' != '^v'-'^h' */
7122 if (cap->nchar == Ctrl_H)
7123 cap->cmdchar = Ctrl_V;
7124 else
7125# endif
7126 cap->cmdchar = cap->nchar + ('v' - 'h');
7127 cap->arg = TRUE;
7128 nv_visual(cap);
7129 break;
7130#endif /* FEAT_VISUAL */
7131
7132 /*
7133 * "gj" and "gk" two new funny movement keys -- up and down
7134 * movement based on *screen* line rather than *file* line.
7135 */
7136 case 'j':
7137 case K_DOWN:
7138 /* with 'nowrap' it works just like the normal "j" command; also when
7139 * in a closed fold */
7140 if (!curwin->w_p_wrap
7141#ifdef FEAT_FOLDING
7142 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7143#endif
7144 )
7145 {
7146 oap->motion_type = MLINE;
7147 i = cursor_down(cap->count1, oap->op_type == OP_NOP);
7148 }
7149 else
7150 i = nv_screengo(oap, FORWARD, cap->count1);
7151 if (i == FAIL)
7152 clearopbeep(oap);
7153 break;
7154
7155 case 'k':
7156 case K_UP:
7157 /* with 'nowrap' it works just like the normal "k" command; also when
7158 * in a closed fold */
7159 if (!curwin->w_p_wrap
7160#ifdef FEAT_FOLDING
7161 || hasFolding(curwin->w_cursor.lnum, NULL, NULL)
7162#endif
7163 )
7164 {
7165 oap->motion_type = MLINE;
7166 i = cursor_up(cap->count1, oap->op_type == OP_NOP);
7167 }
7168 else
7169 i = nv_screengo(oap, BACKWARD, cap->count1);
7170 if (i == FAIL)
7171 clearopbeep(oap);
7172 break;
7173
7174 /*
7175 * "gJ": join two lines without inserting a space.
7176 */
7177 case 'J':
7178 nv_join(cap);
7179 break;
7180
7181 /*
7182 * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
7183 * "gm": middle of "g0" and "g$".
7184 */
7185 case '^':
7186 flag = TRUE;
7187 /* FALLTHROUGH */
7188
7189 case '0':
7190 case 'm':
7191 case K_HOME:
7192 case K_KHOME:
7193 case K_XHOME:
7194 oap->motion_type = MCHAR;
7195 oap->inclusive = FALSE;
7196 if (curwin->w_p_wrap
7197#ifdef FEAT_VERTSPLIT
7198 && curwin->w_width != 0
7199#endif
7200 )
7201 {
7202 int width1 = W_WIDTH(curwin) - curwin_col_off();
7203 int width2 = width1 + curwin_col_off2();
7204
7205 validate_virtcol();
7206 i = 0;
7207 if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
7208 i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
7209 }
7210 else
7211 i = curwin->w_leftcol;
7212 /* Go to the middle of the screen line. When 'number' is on and lines
7213 * are wrapping the middle can be more to the left.*/
7214 if (cap->nchar == 'm')
7215 i += (W_WIDTH(curwin) - curwin_col_off()
7216 + ((curwin->w_p_wrap && i > 0)
7217 ? curwin_col_off2() : 0)) / 2;
7218 coladvance((colnr_T)i);
7219 if (flag)
7220 {
7221 do
7222 i = gchar_cursor();
7223 while (vim_iswhite(i) && oneright() == OK);
7224 }
7225 curwin->w_set_curswant = TRUE;
7226 break;
7227
7228 case '_':
7229 /* "g_": to the last non-blank character in the line or <count> lines
7230 * downward. */
7231 cap->oap->motion_type = MCHAR;
7232 cap->oap->inclusive = TRUE;
7233 curwin->w_curswant = MAXCOL;
7234 if (cursor_down((long)(cap->count1 - 1),
7235 cap->oap->op_type == OP_NOP) == FAIL)
7236 clearopbeep(cap->oap);
7237 else
7238 {
7239 char_u *ptr = ml_get_curline();
7240
7241 /* In Visual mode we may end up after the line. */
7242 if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
7243 --curwin->w_cursor.col;
7244
7245 /* Decrease the cursor column until it's on a non-blank. */
7246 while (curwin->w_cursor.col > 0
7247 && vim_iswhite(ptr[curwin->w_cursor.col]))
7248 --curwin->w_cursor.col;
7249 curwin->w_set_curswant = TRUE;
7250 }
7251 break;
7252
7253 case '$':
7254 case K_END:
7255 case K_KEND:
7256 case K_XEND:
7257 {
7258 int col_off = curwin_col_off();
7259
7260 oap->motion_type = MCHAR;
7261 oap->inclusive = TRUE;
7262 if (curwin->w_p_wrap
7263#ifdef FEAT_VERTSPLIT
7264 && curwin->w_width != 0
7265#endif
7266 )
7267 {
7268 curwin->w_curswant = MAXCOL; /* so we stay at the end */
7269 if (cap->count1 == 1)
7270 {
7271 int width1 = W_WIDTH(curwin) - col_off;
7272 int width2 = width1 + curwin_col_off2();
7273
7274 validate_virtcol();
7275 i = width1 - 1;
7276 if (curwin->w_virtcol >= (colnr_T)width1)
7277 i += ((curwin->w_virtcol - width1) / width2 + 1)
7278 * width2;
7279 coladvance((colnr_T)i);
7280#if defined(FEAT_LINEBREAK) || defined(FEAT_MBYTE)
7281 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
7282 {
7283 /*
7284 * Check for landing on a character that got split at
7285 * the end of the line. We do not want to advance to
7286 * the next screen line.
7287 */
7288 validate_virtcol();
7289 if (curwin->w_virtcol > (colnr_T)i)
7290 --curwin->w_cursor.col;
7291 }
7292#endif
7293 }
7294 else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
7295 clearopbeep(oap);
7296 }
7297 else
7298 {
7299 i = curwin->w_leftcol + W_WIDTH(curwin) - col_off - 1;
7300 coladvance((colnr_T)i);
7301 curwin->w_set_curswant = TRUE;
7302 }
7303 }
7304 break;
7305
7306 /*
7307 * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
7308 */
7309 case '*':
7310 case '#':
7311#if POUND != '#'
7312 case POUND: /* pound sign (sometimes equal to '#') */
7313#endif
7314 case Ctrl_RSB: /* :tag or :tselect for current identifier */
7315 case ']': /* :tselect for current identifier */
7316 nv_ident(cap);
7317 break;
7318
7319 /*
7320 * ge and gE: go back to end of word
7321 */
7322 case 'e':
7323 case 'E':
7324 oap->motion_type = MCHAR;
7325 curwin->w_set_curswant = TRUE;
7326 oap->inclusive = TRUE;
7327 if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
7328 clearopbeep(oap);
7329 break;
7330
7331 /*
7332 * "g CTRL-G": display info about cursor position
7333 */
7334 case Ctrl_G:
7335 cursor_pos_info();
7336 break;
7337
7338 /*
7339 * "gi": start Insert at the last position.
7340 */
7341 case 'i':
7342 if (curbuf->b_last_insert.lnum != 0)
7343 {
7344 curwin->w_cursor = curbuf->b_last_insert;
7345 check_cursor_lnum();
7346 i = (int)STRLEN(ml_get_curline());
7347 if (curwin->w_cursor.col > (colnr_T)i)
7348 {
7349#ifdef FEAT_VIRTUALEDIT
7350 if (virtual_active())
7351 curwin->w_cursor.coladd += curwin->w_cursor.col - i;
7352#endif
7353 curwin->w_cursor.col = i;
7354 }
7355 }
7356 cap->cmdchar = 'i';
7357 nv_edit(cap);
7358 break;
7359
7360 /*
7361 * "gI": Start insert in column 1.
7362 */
7363 case 'I':
7364 beginline(0);
7365 if (!checkclearopq(oap))
7366 invoke_edit(cap, FALSE, 'g', FALSE);
7367 break;
7368
7369#ifdef FEAT_SEARCHPATH
7370 /*
7371 * "gf": goto file, edit file under cursor
7372 * "]f" and "[f": can also be used.
7373 */
7374 case 'f':
7375 nv_gotofile(cap);
7376 break;
7377#endif
7378
7379 /* "g'm" and "g`m": jump to mark without setting pcmark */
7380 case '\'':
7381 cap->arg = TRUE;
7382 /*FALLTHROUGH*/
7383 case '`':
7384 nv_gomark(cap);
7385 break;
7386
7387 /*
7388 * "gs": Goto sleep.
7389 */
7390 case 's':
7391 do_sleep(cap->count1 * 1000L);
7392 break;
7393
7394 /*
7395 * "ga": Display the ascii value of the character under the
7396 * cursor. It is displayed in decimal, hex, and octal. -- webb
7397 */
7398 case 'a':
7399 do_ascii(NULL);
7400 break;
7401
7402#ifdef FEAT_MBYTE
7403 /*
7404 * "g8": Display the bytes used for the UTF-8 character under the
7405 * cursor. It is displayed in hex.
7406 */
7407 case '8':
7408 show_utf8();
7409 break;
7410#endif
7411
7412 /*
7413 * "gg": Goto the first line in file. With a count it goes to
7414 * that line number like for "G". -- webb
7415 */
7416 case 'g':
7417 cap->arg = FALSE;
7418 nv_goto(cap);
7419 break;
7420
7421 /*
7422 * Two-character operators:
7423 * "gq" Format text
7424 * "gw" Format text and keep cursor position
7425 * "g~" Toggle the case of the text.
7426 * "gu" Change text to lower case.
7427 * "gU" Change text to upper case.
7428 * "g?" rot13 encoding
7429 */
7430 case 'q':
7431 case 'w':
7432 oap->cursor_start = curwin->w_cursor;
7433 /*FALLTHROUGH*/
7434 case '~':
7435 case 'u':
7436 case 'U':
7437 case '?':
7438 nv_operator(cap);
7439 break;
7440
7441 /*
7442 * "gd": Find first occurence of pattern under the cursor in the
7443 * current function
7444 * "gD": idem, but in the current file.
7445 */
7446 case 'd':
7447 case 'D':
7448 nv_gd(oap, cap->nchar);
7449 break;
7450
7451#ifdef FEAT_MOUSE
7452 /*
7453 * g<*Mouse> : <C-*mouse>
7454 */
7455 case K_MIDDLEMOUSE:
7456 case K_MIDDLEDRAG:
7457 case K_MIDDLERELEASE:
7458 case K_LEFTMOUSE:
7459 case K_LEFTDRAG:
7460 case K_LEFTRELEASE:
7461 case K_RIGHTMOUSE:
7462 case K_RIGHTDRAG:
7463 case K_RIGHTRELEASE:
7464 case K_X1MOUSE:
7465 case K_X1DRAG:
7466 case K_X1RELEASE:
7467 case K_X2MOUSE:
7468 case K_X2DRAG:
7469 case K_X2RELEASE:
7470 mod_mask = MOD_MASK_CTRL;
7471 (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
7472 break;
7473#endif
7474
7475 case K_IGNORE:
7476 break;
7477
7478 /*
7479 * "gP" and "gp": same as "P" and "p" but leave cursor just after new text
7480 */
7481 case 'p':
7482 case 'P':
7483 nv_put(cap);
7484 break;
7485
7486#ifdef FEAT_BYTEOFF
7487 /* "go": goto byte count from start of buffer */
7488 case 'o':
7489 goto_byte(cap->count0);
7490 break;
7491#endif
7492
7493 /* "gQ": improved Ex mode */
7494 case 'Q':
7495#ifdef FEAT_CMDWIN
7496 if (cmdwin_type != 0)
7497 {
7498 clearopbeep(cap->oap);
7499 break;
7500 }
7501#endif
7502 if (!checkclearopq(oap))
7503 do_exmode(TRUE);
7504 break;
7505
7506#ifdef FEAT_JUMPLIST
7507 case ',':
7508 nv_pcmark(cap);
7509 break;
7510
7511 case ';':
7512 cap->count1 = -cap->count1;
7513 nv_pcmark(cap);
7514 break;
7515#endif
7516
7517 default:
7518 clearopbeep(oap);
7519 break;
7520 }
7521}
7522
7523/*
7524 * Handle "o" and "O" commands.
7525 */
7526 static void
7527n_opencmd(cap)
7528 cmdarg_T *cap;
7529{
7530 if (!checkclearopq(cap->oap))
7531 {
7532#ifdef FEAT_FOLDING
7533 if (cap->cmdchar == 'O')
7534 /* Open above the first line of a folded sequence of lines */
7535 (void)hasFolding(curwin->w_cursor.lnum,
7536 &curwin->w_cursor.lnum, NULL);
7537 else
7538 /* Open below the last line of a folded sequence of lines */
7539 (void)hasFolding(curwin->w_cursor.lnum,
7540 NULL, &curwin->w_cursor.lnum);
7541#endif
7542 if (u_save((linenr_T)(curwin->w_cursor.lnum -
7543 (cap->cmdchar == 'O' ? 1 : 0)),
7544 (linenr_T)(curwin->w_cursor.lnum +
7545 (cap->cmdchar == 'o' ? 1 : 0))
7546 ) == OK
7547 && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
7548#ifdef FEAT_COMMENTS
7549 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM :
7550#endif
7551 0, 0))
7552 {
7553 invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
7554 }
7555 }
7556}
7557
7558/*
7559 * "." command: redo last change.
7560 */
7561 static void
7562nv_dot(cap)
7563 cmdarg_T *cap;
7564{
7565 if (!checkclearopq(cap->oap))
7566 {
7567 /*
7568 * If "restart_edit" is TRUE, the last but one command is repeated
7569 * instead of the last command (inserting text). This is used for
7570 * CTRL-O <.> in insert mode.
7571 */
7572 if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
7573 clearopbeep(cap->oap);
7574 }
7575}
7576
7577/*
7578 * CTRL-R: undo undo
7579 */
7580 static void
7581nv_redo(cap)
7582 cmdarg_T *cap;
7583{
7584 if (!checkclearopq(cap->oap))
7585 {
7586 u_redo((int)cap->count1);
7587 curwin->w_set_curswant = TRUE;
7588 }
7589}
7590
7591/*
7592 * Handle "U" command.
7593 */
7594 static void
7595nv_Undo(cap)
7596 cmdarg_T *cap;
7597{
7598 /* In Visual mode and typing "gUU" triggers an operator */
7599 if (cap->oap->op_type == OP_UPPER
7600#ifdef FEAT_VISUAL
7601 || VIsual_active
7602#endif
7603 )
7604 {
7605 /* translate "gUU" to "gUgU" */
7606 cap->cmdchar = 'g';
7607 cap->nchar = 'U';
7608 nv_operator(cap);
7609 }
7610 else if (!checkclearopq(cap->oap))
7611 {
7612 u_undoline();
7613 curwin->w_set_curswant = TRUE;
7614 }
7615}
7616
7617/*
7618 * '~' command: If tilde is not an operator and Visual is off: swap case of a
7619 * single character.
7620 */
7621 static void
7622nv_tilde(cap)
7623 cmdarg_T *cap;
7624{
7625 if (!p_to
7626#ifdef FEAT_VISUAL
7627 && !VIsual_active
7628#endif
7629 && cap->oap->op_type != OP_TILDE)
7630 n_swapchar(cap);
7631 else
7632 nv_operator(cap);
7633}
7634
7635/*
7636 * Handle an operator command.
7637 * The actual work is done by do_pending_operator().
7638 */
7639 static void
7640nv_operator(cap)
7641 cmdarg_T *cap;
7642{
7643 int op_type;
7644
7645 op_type = get_op_type(cap->cmdchar, cap->nchar);
7646
7647 if (op_type == cap->oap->op_type) /* double operator works on lines */
7648 nv_lineop(cap);
7649 else if (!checkclearop(cap->oap))
7650 {
7651 cap->oap->start = curwin->w_cursor;
7652 cap->oap->op_type = op_type;
7653 }
7654}
7655
7656/*
7657 * Handle linewise operator "dd", "yy", etc.
7658 *
7659 * "_" is is a strange motion command that helps make operators more logical.
7660 * It is actually implemented, but not documented in the real Vi. This motion
7661 * command actually refers to "the current line". Commands like "dd" and "yy"
7662 * are really an alternate form of "d_" and "y_". It does accept a count, so
7663 * "d3_" works to delete 3 lines.
7664 */
7665 static void
7666nv_lineop(cap)
7667 cmdarg_T *cap;
7668{
7669 cap->oap->motion_type = MLINE;
7670 if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
7671 clearopbeep(cap->oap);
7672 else if ( cap->oap->op_type == OP_DELETE
7673 || cap->oap->op_type == OP_LSHIFT
7674 || cap->oap->op_type == OP_RSHIFT)
7675 beginline(BL_SOL | BL_FIX);
7676 else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */
7677 beginline(BL_WHITE | BL_FIX);
7678}
7679
7680/*
7681 * <Home> command.
7682 */
7683 static void
7684nv_home(cap)
7685 cmdarg_T *cap;
7686{
7687 cap->count0 = 1;
7688 nv_pipe(cap);
7689}
7690
7691/*
7692 * "|" command.
7693 */
7694 static void
7695nv_pipe(cap)
7696 cmdarg_T *cap;
7697{
7698 cap->oap->motion_type = MCHAR;
7699 cap->oap->inclusive = FALSE;
7700 beginline(0);
7701 if (cap->count0 > 0)
7702 {
7703 coladvance((colnr_T)(cap->count0 - 1));
7704 curwin->w_curswant = (colnr_T)(cap->count0 - 1);
7705 }
7706 else
7707 curwin->w_curswant = 0;
7708 /* keep curswant at the column where we wanted to go, not where
7709 we ended; differs if line is too short */
7710 curwin->w_set_curswant = FALSE;
7711}
7712
7713/*
7714 * Handle back-word command "b" and "B".
7715 * cap->arg is 1 for "B"
7716 */
7717 static void
7718nv_bck_word(cap)
7719 cmdarg_T *cap;
7720{
7721 cap->oap->motion_type = MCHAR;
7722 cap->oap->inclusive = FALSE;
7723 curwin->w_set_curswant = TRUE;
7724 if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
7725 clearopbeep(cap->oap);
7726#ifdef FEAT_FOLDING
7727 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
7728 foldOpenCursor();
7729#endif
7730}
7731
7732/*
7733 * Handle word motion commands "e", "E", "w" and "W".
7734 * cap->arg is TRUE for "E" and "W".
7735 */
7736 static void
7737nv_wordcmd(cap)
7738 cmdarg_T *cap;
7739{
7740 int n;
7741 int word_end;
7742 int flag = FALSE;
7743
7744 /*
7745 * Set inclusive for the "E" and "e" command.
7746 */
7747 if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
7748 word_end = TRUE;
7749 else
7750 word_end = FALSE;
7751 cap->oap->inclusive = word_end;
7752
7753 /*
7754 * "cw" and "cW" are a special case.
7755 */
7756 if (!word_end && cap->oap->op_type == OP_CHANGE)
7757 {
7758 n = gchar_cursor();
7759 if (n != NUL) /* not an empty line */
7760 {
7761 if (vim_iswhite(n))
7762 {
7763 /*
7764 * Reproduce a funny Vi behaviour: "cw" on a blank only
7765 * changes one character, not all blanks until the start of
7766 * the next word. Only do this when the 'w' flag is included
7767 * in 'cpoptions'.
7768 */
7769 if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
7770 {
7771 cap->oap->inclusive = TRUE;
7772 cap->oap->motion_type = MCHAR;
7773 return;
7774 }
7775 }
7776 else
7777 {
7778 /*
7779 * This is a little strange. To match what the real Vi does,
7780 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
7781 * that we are not on a space or a TAB. This seems impolite
7782 * at first, but it's really more what we mean when we say
7783 * 'cw'.
7784 * Another strangeness: When standing on the end of a word
7785 * "ce" will change until the end of the next wordt, but "cw"
7786 * will change only one character! This is done by setting
7787 * flag.
7788 */
7789 cap->oap->inclusive = TRUE;
7790 word_end = TRUE;
7791 flag = TRUE;
7792 }
7793 }
7794 }
7795
7796 cap->oap->motion_type = MCHAR;
7797 curwin->w_set_curswant = TRUE;
7798 if (word_end)
7799 n = end_word(cap->count1, cap->arg, flag, FALSE);
7800 else
7801 n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
7802
7803 /* Don't leave the cursor on the NUL past a line */
7804 if (curwin->w_cursor.col && gchar_cursor() == NUL)
7805 {
7806 --curwin->w_cursor.col;
7807 cap->oap->inclusive = TRUE;
7808 }
7809
7810 if (n == FAIL && cap->oap->op_type == OP_NOP)
7811 clearopbeep(cap->oap);
7812 else
7813 {
7814#ifdef FEAT_VISUAL
7815 adjust_for_sel(cap);
7816#endif
7817#ifdef FEAT_FOLDING
7818 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
7819 foldOpenCursor();
7820#endif
7821 }
7822}
7823
7824/*
7825 * "0" and "^" commands.
7826 * cap->arg is the argument for beginline().
7827 */
7828 static void
7829nv_beginline(cap)
7830 cmdarg_T *cap;
7831{
7832 cap->oap->motion_type = MCHAR;
7833 cap->oap->inclusive = FALSE;
7834 beginline(cap->arg);
7835#ifdef FEAT_FOLDING
7836 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
7837 foldOpenCursor();
7838#endif
7839}
7840
7841#ifdef FEAT_VISUAL
7842/*
7843 * In exclusive Visual mode, may include the last character.
7844 */
7845 static void
7846adjust_for_sel(cap)
7847 cmdarg_T *cap;
7848{
7849 if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
7850 && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
7851 {
7852# ifdef FEAT_MBYTE
7853 if (has_mbyte)
7854 inc_cursor();
7855 else
7856# endif
7857 ++curwin->w_cursor.col;
7858 cap->oap->inclusive = FALSE;
7859 }
7860}
7861
7862/*
7863 * Exclude last character at end of Visual area for 'selection' == "exclusive".
7864 * Should check VIsual_mode before calling this.
7865 * Returns TRUE when backed up to the previous line.
7866 */
7867 static int
7868unadjust_for_sel()
7869{
7870 pos_T *pp;
7871
7872 if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
7873 {
7874 if (lt(VIsual, curwin->w_cursor))
7875 pp = &curwin->w_cursor;
7876 else
7877 pp = &VIsual;
7878#ifdef FEAT_VIRTUALEDIT
7879 if (pp->coladd > 0)
7880 --pp->coladd;
7881 else
7882#endif
7883 if (pp->col > 0)
7884 {
7885 --pp->col;
7886#ifdef FEAT_MBYTE
7887 mb_adjustpos(pp);
7888#endif
7889 }
7890 else if (pp->lnum > 1)
7891 {
7892 --pp->lnum;
7893 pp->col = (colnr_T)STRLEN(ml_get(pp->lnum));
7894 return TRUE;
7895 }
7896 }
7897 return FALSE;
7898}
7899
7900/*
7901 * SELECT key in Normal or Visual mode: end of Select mode mapping.
7902 */
7903 static void
7904nv_select(cap)
7905 cmdarg_T *cap;
7906{
7907 if (VIsual_active)
7908 VIsual_select = TRUE;
7909 else if (VIsual_reselect)
7910 {
7911 cap->nchar = 'v'; /* fake "gv" command */
7912 cap->arg = TRUE;
7913 nv_g_cmd(cap);
7914 }
7915}
7916
7917#endif
7918
7919/*
7920 * "G", "gg", CTRL-END, CTRL-HOME.
7921 * cap->arg is TRUE for "G".
7922 */
7923 static void
7924nv_goto(cap)
7925 cmdarg_T *cap;
7926{
7927 linenr_T lnum;
7928
7929 if (cap->arg)
7930 lnum = curbuf->b_ml.ml_line_count;
7931 else
7932 lnum = 1L;
7933 cap->oap->motion_type = MLINE;
7934 setpcmark();
7935
7936 /* When a count is given, use it instead of the default lnum */
7937 if (cap->count0 != 0)
7938 lnum = cap->count0;
7939 if (lnum < 1L)
7940 lnum = 1L;
7941 else if (lnum > curbuf->b_ml.ml_line_count)
7942 lnum = curbuf->b_ml.ml_line_count;
7943 curwin->w_cursor.lnum = lnum;
7944 beginline(BL_SOL | BL_FIX);
7945#ifdef FEAT_FOLDING
7946 if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
7947 foldOpenCursor();
7948#endif
7949}
7950
7951/*
7952 * CTRL-\ in Normal mode.
7953 */
7954 static void
7955nv_normal(cap)
7956 cmdarg_T *cap;
7957{
7958 if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
7959 {
7960 clearop(cap->oap);
7961 if (restart_edit != 0 && p_smd)
7962 clear_cmdline = TRUE; /* unshow mode later */
7963 restart_edit = 0;
7964#ifdef FEAT_CMDWIN
7965 if (cmdwin_type != 0)
7966 cmdwin_result = Ctrl_C;
7967#endif
7968#ifdef FEAT_VISUAL
7969 if (VIsual_active)
7970 {
7971 end_visual_mode(); /* stop Visual */
7972 redraw_curbuf_later(INVERTED);
7973 }
7974#endif
7975 /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */
7976 if (cap->nchar == Ctrl_G && p_im)
7977 restart_edit = 'a';
7978 }
7979 else
7980 clearopbeep(cap->oap);
7981}
7982
7983/*
7984 * ESC in Normal mode: beep, but don't flush buffers.
7985 * Don't even beep if we are canceling a command.
7986 */
7987 static void
7988nv_esc(cap)
7989 cmdarg_T *cap;
7990{
7991 int no_reason;
7992
7993 no_reason = (cap->oap->op_type == OP_NOP
7994 && cap->opcount == 0
7995 && cap->count0 == 0
7996 && cap->oap->regname == 0
7997 && !p_im);
7998
7999 if (cap->arg) /* TRUE for CTRL-C */
8000 {
8001 if (restart_edit == 0
8002#ifdef FEAT_CMDWIN
8003 && cmdwin_type == 0
8004#endif
8005#ifdef FEAT_VISUAL
8006 && !VIsual_active
8007#endif
8008 && no_reason)
8009 MSG(_("Type :quit<Enter> to exit Vim"));
8010
8011 /* Don't reset "restart_edit" when 'insertmode' is set, it won't be
8012 * set again below when halfway a mapping. */
8013 if (!p_im)
8014 restart_edit = 0;
8015#ifdef FEAT_CMDWIN
8016 if (cmdwin_type != 0)
8017 {
8018 cmdwin_result = K_IGNORE;
8019 got_int = FALSE; /* don't stop executing autocommands et al. */
8020 return;
8021 }
8022#endif
8023 }
8024
8025#ifdef FEAT_VISUAL
8026 if (VIsual_active)
8027 {
8028 end_visual_mode(); /* stop Visual */
8029 check_cursor_col(); /* make sure cursor is not beyond EOL */
8030 curwin->w_set_curswant = TRUE;
8031 redraw_curbuf_later(INVERTED);
8032 }
8033 else
8034#endif
8035 if (no_reason)
8036 vim_beep();
8037 clearop(cap->oap);
8038
8039 /* A CTRL-C is often used at the start of a menu. When 'insertmode' is
8040 * set return to Insert mode afterwards. */
8041 if (restart_edit == 0 && goto_im()
8042#ifdef FEAT_EX_EXTRA
8043 && ex_normal_busy == 0
8044#endif
8045 )
8046 restart_edit = 'a';
8047}
8048
8049/*
8050 * Handle "A", "a", "I", "i" and <Insert> commands.
8051 */
8052 static void
8053nv_edit(cap)
8054 cmdarg_T *cap;
8055{
8056 /* <Insert> is equal to "i" */
8057 if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
8058 cap->cmdchar = 'i';
8059
8060#ifdef FEAT_VISUAL
8061 /* in Visual mode "A" and "I" are an operator */
8062 if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
8063 v_visop(cap);
8064
8065 /* in Visual mode and after an operator "a" and "i" are for text objects */
8066 else
8067#endif
8068 if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
8069 && (cap->oap->op_type != OP_NOP
8070#ifdef FEAT_VISUAL
8071 || VIsual_active
8072#endif
8073 ))
8074 {
8075#ifdef FEAT_TEXTOBJ
8076 nv_object(cap);
8077#else
8078 clearopbeep(cap->oap);
8079#endif
8080 }
8081 else if (!curbuf->b_p_ma && !p_im)
8082 {
8083 /* Only give this error when 'insertmode' is off. */
8084 EMSG(_(e_modifiable));
8085 clearop(cap->oap);
8086 }
8087 else if (!checkclearopq(cap->oap))
8088 {
8089 switch (cap->cmdchar)
8090 {
8091 case 'A': /* "A"ppend after the line */
8092 curwin->w_set_curswant = TRUE;
8093#ifdef FEAT_VIRTUALEDIT
8094 if (ve_flags == VE_ALL)
8095 {
8096 int save_State = State;
8097
8098 /* Pretent Insert mode here to allow the cursor on the
8099 * character past the end of the line */
8100 State = INSERT;
8101 coladvance((colnr_T)MAXCOL);
8102 State = save_State;
8103 }
8104 else
8105#endif
8106 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
8107 break;
8108
8109 case 'I': /* "I"nsert before the first non-blank */
8110 beginline(BL_WHITE);
8111 break;
8112
8113 case 'a': /* "a"ppend is like "i"nsert on the next character. */
8114#ifdef FEAT_VIRTUALEDIT
8115 /* increment coladd when in virtual space, increment the
8116 * column otherwise, also to append after an unprintable char */
8117 if (virtual_active()
8118 && (curwin->w_cursor.coladd > 0
8119 || *ml_get_cursor() == NUL
8120 || *ml_get_cursor() == TAB))
8121 curwin->w_cursor.coladd++;
8122 else
8123#endif
8124 if (*ml_get_cursor() != NUL)
8125 inc_cursor();
8126 break;
8127 }
8128
8129#ifdef FEAT_VIRTUALEDIT
8130 if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
8131 {
8132 int save_State = State;
8133
8134 /* Pretent Insert mode here to allow the cursor on the
8135 * character past the end of the line */
8136 State = INSERT;
8137 coladvance(getviscol());
8138 State = save_State;
8139 }
8140#endif
8141
8142 invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
8143 }
8144}
8145
8146/*
8147 * Invoke edit() and take care of "restart_edit" and the return value.
8148 */
8149 static void
8150invoke_edit(cap, repl, cmd, startln)
8151 cmdarg_T *cap;
8152 int repl; /* "r" or "gr" command */
8153 int cmd;
8154 int startln;
8155{
8156 int restart_edit_save = 0;
8157
8158 /* Complicated: When the user types "a<C-O>a" we don't want to do Insert
8159 * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
8160 * it. */
8161 if (repl || !stuff_empty())
8162 restart_edit_save = restart_edit;
8163 else
8164 restart_edit_save = 0;
8165
8166 /* Always reset "restart_edit", this is not a restarted edit. */
8167 restart_edit = 0;
8168
8169 if (edit(cmd, startln, cap->count1))
8170 cap->retval |= CA_COMMAND_BUSY;
8171
8172 if (restart_edit == 0)
8173 restart_edit = restart_edit_save;
8174}
8175
8176#ifdef FEAT_TEXTOBJ
8177/*
8178 * "a" or "i" while an operator is pending or in Visual mode: object motion.
8179 */
8180 static void
8181nv_object(cap)
8182 cmdarg_T *cap;
8183{
8184 int flag;
8185 int include;
8186 char_u *mps_save;
8187
8188 if (cap->cmdchar == 'i')
8189 include = FALSE; /* "ix" = inner object: exclude white space */
8190 else
8191 include = TRUE; /* "ax" = an object: include white space */
8192
8193 /* Make sure (), [], {} and <> are in 'matchpairs' */
8194 mps_save = curbuf->b_p_mps;
8195 curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
8196
8197 switch (cap->nchar)
8198 {
8199 case 'w': /* "aw" = a word */
8200 flag = current_word(cap->oap, cap->count1, include, FALSE);
8201 break;
8202 case 'W': /* "aW" = a WORD */
8203 flag = current_word(cap->oap, cap->count1, include, TRUE);
8204 break;
8205 case 'b': /* "ab" = a braces block */
8206 case '(':
8207 case ')':
8208 flag = current_block(cap->oap, cap->count1, include, '(', ')');
8209 break;
8210 case 'B': /* "aB" = a Brackets block */
8211 case '{':
8212 case '}':
8213 flag = current_block(cap->oap, cap->count1, include, '{', '}');
8214 break;
8215 case '[': /* "a[" = a [] block */
8216 case ']':
8217 flag = current_block(cap->oap, cap->count1, include, '[', ']');
8218 break;
8219 case '<': /* "a<" = a <> block */
8220 case '>':
8221 flag = current_block(cap->oap, cap->count1, include, '<', '>');
8222 break;
8223 case 'p': /* "ap" = a paragraph */
8224 flag = current_par(cap->oap, cap->count1, include, 'p');
8225 break;
8226 case 's': /* "as" = a sentence */
8227 flag = current_sent(cap->oap, cap->count1, include);
8228 break;
8229#if 0 /* TODO */
8230 case 'S': /* "aS" = a section */
8231 case 'f': /* "af" = a filename */
8232 case 'u': /* "au" = a URL */
8233#endif
8234 default:
8235 flag = FAIL;
8236 break;
8237 }
8238
8239 curbuf->b_p_mps = mps_save;
8240 if (flag == FAIL)
8241 clearopbeep(cap->oap);
8242 adjust_cursor_col();
8243 curwin->w_set_curswant = TRUE;
8244}
8245#endif
8246
8247/*
8248 * "q" command: Start/stop recording.
8249 * "q:", "q/", "q?": edit command-line in command-line window.
8250 */
8251 static void
8252nv_record(cap)
8253 cmdarg_T *cap;
8254{
8255 if (cap->oap->op_type == OP_FORMAT)
8256 {
8257 /* "gqq" is the same as "gqgq": format line */
8258 cap->cmdchar = 'g';
8259 cap->nchar = 'q';
8260 nv_operator(cap);
8261 }
8262 else if (!checkclearop(cap->oap))
8263 {
8264#ifdef FEAT_CMDWIN
8265 if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
8266 {
8267 stuffcharReadbuff(cap->nchar);
8268 stuffcharReadbuff(K_CMDWIN);
8269 }
8270 else
8271#endif
8272 /* (stop) recording into a named register, unless executing a
8273 * register */
8274 if (!Exec_reg && do_record(cap->nchar) == FAIL)
8275 clearopbeep(cap->oap);
8276 }
8277}
8278
8279/*
8280 * Handle the "@r" command.
8281 */
8282 static void
8283nv_at(cap)
8284 cmdarg_T *cap;
8285{
8286 if (checkclearop(cap->oap))
8287 return;
8288#ifdef FEAT_EVAL
8289 if (cap->nchar == '=')
8290 {
8291 if (get_expr_register() == NUL)
8292 return;
8293 }
8294#endif
8295 while (cap->count1-- && !got_int)
8296 {
8297 if (do_execreg(cap->nchar, FALSE, FALSE) == FAIL)
8298 {
8299 clearopbeep(cap->oap);
8300 break;
8301 }
8302 line_breakcheck();
8303 }
8304}
8305
8306/*
8307 * Handle the CTRL-U and CTRL-D commands.
8308 */
8309 static void
8310nv_halfpage(cap)
8311 cmdarg_T *cap;
8312{
8313 if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
8314 || (cap->cmdchar == Ctrl_D
8315 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
8316 clearopbeep(cap->oap);
8317 else if (!checkclearop(cap->oap))
8318 halfpage(cap->cmdchar == Ctrl_D, cap->count0);
8319}
8320
8321/*
8322 * Handle "J" or "gJ" command.
8323 */
8324 static void
8325nv_join(cap)
8326 cmdarg_T *cap;
8327{
8328#ifdef FEAT_VISUAL
8329 if (VIsual_active) /* join the visual lines */
8330 nv_operator(cap);
8331 else
8332#endif
8333 if (!checkclearop(cap->oap))
8334 {
8335 if (cap->count0 <= 1)
8336 cap->count0 = 2; /* default for join is two lines! */
8337 if (curwin->w_cursor.lnum + cap->count0 - 1 >
8338 curbuf->b_ml.ml_line_count)
8339 clearopbeep(cap->oap); /* beyond last line */
8340 else
8341 {
8342 prep_redo(cap->oap->regname, cap->count0,
8343 NUL, cap->cmdchar, NUL, NUL, cap->nchar);
8344 do_do_join(cap->count0, cap->nchar == NUL);
8345 }
8346 }
8347}
8348
8349/*
8350 * "P", "gP", "p" and "gp" commands.
8351 */
8352 static void
8353nv_put(cap)
8354 cmdarg_T *cap;
8355{
8356#ifdef FEAT_VISUAL
8357 int regname = 0;
8358 void *reg1 = NULL, *reg2 = NULL;
8359#endif
8360 int dir;
8361 int flags = 0;
8362
8363 if (cap->oap->op_type != OP_NOP)
8364 {
8365#ifdef FEAT_DIFF
8366 /* "dp" is ":diffput" */
8367 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
8368 {
8369 clearop(cap->oap);
8370 nv_diffgetput(TRUE);
8371 }
8372 else
8373#endif
8374 clearopbeep(cap->oap);
8375 }
8376 else
8377 {
8378 dir = (cap->cmdchar == 'P'
8379 || (cap->cmdchar == 'g' && cap->nchar == 'P'))
8380 ? BACKWARD : FORWARD;
8381 prep_redo_cmd(cap);
8382 if (cap->cmdchar == 'g')
8383 flags |= PUT_CURSEND;
8384
8385#ifdef FEAT_VISUAL
8386 if (VIsual_active)
8387 {
8388 /* Putting in Visual mode: The put text replaces the selected
8389 * text. First delete the selected text, then put the new text.
8390 * Need to save and restore the registers that the delete
8391 * overwrites if the old contents is being put.
8392 */
8393 regname = cap->oap->regname;
8394# ifdef FEAT_CLIPBOARD
8395 adjust_clip_reg(&regname);
8396# endif
8397 if (regname == 0 || VIM_ISDIGIT(regname)
8398# ifdef FEAT_CLIPBOARD
8399 || (clip_unnamed && (regname == '*' || regname == '+'))
8400# endif
8401
8402 )
8403 {
8404 /* the delete is going to overwrite the register we want to
8405 * put, save it first. */
8406 reg1 = get_register(regname, TRUE);
8407 }
8408
8409 /* Now delete the selected text. */
8410 cap->cmdchar = 'd';
8411 cap->nchar = NUL;
8412 cap->oap->regname = NUL;
8413 nv_operator(cap);
8414 do_pending_operator(cap, 0, FALSE);
8415
8416 /* delete PUT_LINE_BACKWARD; */
8417 cap->oap->regname = regname;
8418
8419 if (reg1 != NULL)
8420 {
8421 /* Delete probably changed the register we want to put, save
8422 * it first. Then put back what was there before the delete. */
8423 reg2 = get_register(regname, FALSE);
8424 put_register(regname, reg1);
8425 }
8426
8427 /* When deleted a linewise Visual area, put the register as
8428 * lines to avoid it joined with the next line. When deletion was
8429 * characterwise, split a line when putting lines. */
8430 if (VIsual_mode == 'V')
8431 flags |= PUT_LINE;
8432 else if (VIsual_mode == 'v')
8433 flags |= PUT_LINE_SPLIT;
8434 if (VIsual_mode == Ctrl_V && dir == FORWARD)
8435 flags |= PUT_LINE_FORWARD;
8436 dir = BACKWARD;
8437 if ((VIsual_mode != 'V'
8438 && curwin->w_cursor.col < curbuf->b_op_start.col)
8439 || (VIsual_mode == 'V'
8440 && curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
8441 /* cursor is at the end of the line or end of file, put
8442 * forward. */
8443 dir = FORWARD;
8444 }
8445#endif
8446 do_put(cap->oap->regname, dir, cap->count1, flags);
8447
8448#ifdef FEAT_VISUAL
8449 /* If a register was saved, put it back now. */
8450 if (reg2 != NULL)
8451 put_register(regname, reg2);
8452#endif
8453 auto_format(FALSE, TRUE);
8454 }
8455}
8456
8457/*
8458 * "o" and "O" commands.
8459 */
8460 static void
8461nv_open(cap)
8462 cmdarg_T *cap;
8463{
8464#ifdef FEAT_DIFF
8465 /* "do" is ":diffget" */
8466 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
8467 {
8468 clearop(cap->oap);
8469 nv_diffgetput(FALSE);
8470 }
8471 else
8472#endif
8473#ifdef FEAT_VISUAL
8474 if (VIsual_active) /* switch start and end of visual */
8475 v_swap_corners(cap->cmdchar);
8476 else
8477#endif
8478 n_opencmd(cap);
8479}
8480
8481#ifdef FEAT_SNIFF
8482/*ARGSUSED*/
8483 static void
8484nv_sniff(cap)
8485 cmdarg_T *cap;
8486{
8487 ProcessSniffRequests();
8488}
8489#endif
8490
8491#ifdef FEAT_NETBEANS_INTG
8492 static void
8493nv_nbcmd(cap)
8494 cmdarg_T *cap;
8495{
8496 netbeans_keycommand(cap->nchar);
8497}
8498#endif
8499
8500#ifdef FEAT_DND
8501/*ARGSUSED*/
8502 static void
8503nv_drop(cap)
8504 cmdarg_T *cap;
8505{
8506 do_put('~', BACKWARD, 1L, PUT_CURSEND);
8507}
8508#endif