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src/find.c: Micro fix for 'Skip hidden' shortcut
[kaloumi3.git] / edit / editcmd.c
blob257ab6efe3985308783bb0e57aabd62451ac4505
1 /* editor high level editing commands.
2
3 Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
4 2007 Free Software Foundation, Inc.
5
6 Authors: 1996, 1997 Paul Sheer
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 02110-1301, USA.
22
23 */
24
25 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
26
27 #include <config.h>
28
29 #include <assert.h>
30 #include <ctype.h>
31
32 #include <stdio.h>
33 #include <stdarg.h>
34 #include <sys/types.h>
35 #include <unistd.h>
36 #include <string.h>
37 #include <errno.h>
38 #include <sys/stat.h>
39 #include <stdlib.h>
40
41 #include "../src/global.h"
42 #include "../src/history.h"
43
44 #include "edit.h"
45 #include "editlock.h"
46 #include "editcmddef.h"
47 #include "edit-widget.h"
48
49 #include "../src/color.h" /* dialog_colors */
50 #include "../src/tty.h" /* LINES */
51 #include "../src/widget.h" /* listbox_new() */
52 #include "../src/layout.h" /* clr_scr() */
53 #include "../src/main.h" /* mc_home */
54 #include "../src/help.h" /* interactive_display() */
55 #include "../src/key.h" /* XCTRL */
56 #include "../src/dialog.h" /* do_refresh() */
57 #include "../src/wtools.h" /* message() */
58 #include "../src/charsets.h"
59 #include "../src/selcodepage.h"
60
61 struct selection {
62 unsigned char * text;
63 int len;
64 };
65
66 /* globals: */
67
68 /* search and replace: */
69 static int replace_scanf = 0;
70 static int replace_regexp = 0;
71 static int replace_all = 0;
72 static int replace_prompt = 1;
73 static int replace_whole = 0;
74 static int replace_case = 0;
75 static int replace_backwards = 0;
76 static int search_create_bookmark = 0;
77
78 /* queries on a save */
79 int edit_confirm_save = 1;
80
81 #define NUM_REPL_ARGS 64
82 #define MAX_REPL_LEN 1024
83
84 static int edit_save_cmd (WEdit *edit);
85 static unsigned char *edit_get_block (WEdit *edit, long start,
86 long finish, int *l);
87
88 static inline int my_lower_case (int c)
89 {
90 return tolower(c & 0xFF);
91 }
92
93 static const char *
94 strcasechr (const char *s, int c)
95 {
96 for (c = my_lower_case (c); my_lower_case ((int) *s) != c; ++s)
97 if (*s == '\0')
98 return 0;
99 return s;
100 }
101
102 /* #define itoa MY_itoa <---- this line is now in edit.h */
103 static char *
104 MY_itoa (int i)
105 {
106 static char t[14];
107 char *s = t + 13;
108 int j = i;
109 *s-- = 0;
110 do {
111 *s-- = i % 10 + '0';
112 } while ((i = i / 10));
113 if (j < 0)
114 *s-- = '-';
115 return ++s;
116 }
117
118 /* Temporary strings */
119 static char *stacked[16];
120
121 /*
122 This joins strings end on end and allocates memory for the result.
123 The result is later automatically free'd and must not be free'd
124 by the caller.
125 */
126 static const char *
127 catstrs (const char *first,...)
128 {
129 static int i = 0;
130 va_list ap;
131 int len;
132 char *data;
133
134 if (!first)
135 return 0;
136
137 len = strlen (first);
138 va_start (ap, first);
139
140 while ((data = va_arg (ap, char *)) != 0)
141 len += strlen (data);
142
143 len++;
144
145 i = (i + 1) % 16;
146 g_free (stacked[i]);
147
148 stacked[i] = g_malloc (len);
149 va_end (ap);
150 va_start (ap, first);
151 strcpy (stacked[i], first);
152 while ((data = va_arg (ap, char *)) != 0)
153 strcat (stacked[i], data);
154 va_end (ap);
155
156 return stacked[i];
157 }
158
159 /* Free temporary strings */
160 void freestrs(void)
161 {
162 size_t i;
163
164 for (i = 0; i < sizeof(stacked) / sizeof(stacked[0]); i++) {
165 g_free (stacked[i]);
166 stacked[i] = NULL;
167 }
168 }
169
170 void edit_help_cmd (WEdit * edit)
171 {
172 interactive_display (NULL, "[Internal File Editor]");
173 edit->force |= REDRAW_COMPLETELY;
174 }
175
176 void edit_refresh_cmd (WEdit * edit)
177 {
178 #ifndef HAVE_SLANG
179 clr_scr();
180 do_refresh();
181 #else
182 {
183 int color;
184 edit_get_syntax_color (edit, -1, &color);
185 }
186 touchwin(stdscr);
187 #endif /* !HAVE_SLANG */
188 mc_refresh();
189 doupdate();
190 }
191
192 /* If 0 (quick save) then a) create/truncate <filename> file,
193 b) save to <filename>;
194 if 1 (safe save) then a) save to <tempnam>,
195 b) rename <tempnam> to <filename>;
196 if 2 (do backups) then a) save to <tempnam>,
197 b) rename <filename> to <filename.backup_ext>,
198 c) rename <tempnam> to <filename>. */
199
200 /* returns 0 on error, -1 on abort */
201 static int
202 edit_save_file (WEdit *edit, const char *filename)
203 {
204 char *p;
205 long filelen = 0;
206 char *savename = 0;
207 int this_save_mode, fd = -1;
208
209 if (!filename)
210 return 0;
211 if (!*filename)
212 return 0;
213
214 if (*filename != PATH_SEP && edit->dir) {
215 savename = concat_dir_and_file (edit->dir, filename);
216 filename = catstrs (savename, (char *) NULL);
217 g_free (savename);
218 }
219
220 this_save_mode = option_save_mode;
221 if (this_save_mode != EDIT_QUICK_SAVE) {
222 if (!vfs_file_is_local (filename) ||
223 (fd = mc_open (filename, O_RDONLY | O_BINARY)) == -1) {
224 /*
225 * The file does not exists yet, so no safe save or
226 * backup are necessary.
227 */
228 this_save_mode = EDIT_QUICK_SAVE;
229 }
230 if (fd != -1)
231 mc_close (fd);
232 }
233
234 if (this_save_mode == EDIT_QUICK_SAVE &&
235 !edit->skip_detach_prompt) {
236 int rv;
237 struct stat sb;
238
239 rv = mc_stat (filename, &sb);
240 if (rv == 0 && sb.st_nlink > 1) {
241 rv = edit_query_dialog3 (_("Warning"),
242 _(" File has hard-links. Detach before saving? "),
243 _("&Yes"), _("&No"), _("&Cancel"));
244 switch (rv) {
245 case 0:
246 this_save_mode = EDIT_SAFE_SAVE;
247 /* fallthrough */
248 case 1:
249 edit->skip_detach_prompt = 1;
250 break;
251 default:
252 return -1;
253 }
254 }
255
256 /* Prevent overwriting changes from other editor sessions. */
257 if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime) {
258
259 /* The default action is "Cancel". */
260 query_set_sel(1);
261
262 rv = edit_query_dialog2 (
263 _("Warning"),
264 _("The file has been modified in the meantime. Save anyway?"),
265 _("&Yes"),
266 _("&Cancel"));
267 if (rv != 0)
268 return -1;
269 }
270 }
271
272 if (this_save_mode != EDIT_QUICK_SAVE) {
273 char *savedir, *saveprefix;
274 const char *slashpos;
275 slashpos = strrchr (filename, PATH_SEP);
276 if (slashpos) {
277 savedir = g_strdup (filename);
278 savedir[slashpos - filename + 1] = '\0';
279 } else
280 savedir = g_strdup (".");
281 saveprefix = concat_dir_and_file (savedir, "cooledit");
282 g_free (savedir);
283 fd = mc_mkstemps (&savename, saveprefix, NULL);
284 g_free (saveprefix);
285 if (!savename)
286 return 0;
287 /* FIXME:
288 * Close for now because mc_mkstemps use pure open system call
289 * to create temporary file and it needs to be reopened by
290 * VFS-aware mc_open().
291 */
292 close (fd);
293 } else
294 savename = g_strdup (filename);
295
296 mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
297 mc_chmod (savename, edit->stat1.st_mode);
298
299 if ((fd =
300 mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
301 edit->stat1.st_mode)) == -1)
302 goto error_save;
303
304 /* pipe save */
305 if ((p = edit_get_write_filter (savename, filename))) {
306 FILE *file;
307
308 mc_close (fd);
309 file = (FILE *) popen (p, "w");
310
311 if (file) {
312 filelen = edit_write_stream (edit, file);
313 #if 1
314 pclose (file);
315 #else
316 if (pclose (file) != 0) {
317 edit_error_dialog (_("Error"),
318 catstrs (_(" Error writing to pipe: "),
319 p, " ", (char *) NULL));
320 g_free (p);
321 goto error_save;
322 }
323 #endif
324 } else {
325 edit_error_dialog (_("Error"),
326 get_sys_error (catstrs
327 (_
328 (" Cannot open pipe for writing: "),
329 p, " ", (char *) NULL)));
330 g_free (p);
331 goto error_save;
332 }
333 g_free (p);
334 } else {
335 long buf;
336 buf = 0;
337 filelen = edit->last_byte;
338 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
339 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE)
340 != EDIT_BUF_SIZE) {
341 mc_close (fd);
342 goto error_save;
343 }
344 buf++;
345 }
346 if (mc_write
347 (fd, (char *) edit->buffers1[buf],
348 edit->curs1 & M_EDIT_BUF_SIZE) !=
349 (edit->curs1 & M_EDIT_BUF_SIZE)) {
350 filelen = -1;
351 } else if (edit->curs2) {
352 edit->curs2--;
353 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
354 if (mc_write
355 (fd,
356 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
357 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
358 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) !=
359 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
360 filelen = -1;
361 } else {
362 while (--buf >= 0) {
363 if (mc_write
364 (fd, (char *) edit->buffers2[buf],
365 EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
366 filelen = -1;
367 break;
368 }
369 }
370 }
371 edit->curs2++;
372 }
373 if (mc_close (fd))
374 goto error_save;
375
376 /* Update the file information, especially the mtime. */
377 if (mc_stat (savename, &edit->stat1) == -1)
378 goto error_save;
379 }
380
381 if (filelen != edit->last_byte)
382 goto error_save;
383
384 if (this_save_mode == EDIT_DO_BACKUP) {
385 assert (option_backup_ext != NULL);
386 if (mc_rename (filename, catstrs (filename, option_backup_ext,
387 (char *) NULL)) == -1)
388 goto error_save;
389 }
390
391 if (this_save_mode != EDIT_QUICK_SAVE)
392 if (mc_rename (savename, filename) == -1)
393 goto error_save;
394 g_free (savename);
395 return 1;
396 error_save:
397 /* FIXME: Is this safe ?
398 * if (this_save_mode != EDIT_QUICK_SAVE)
399 * mc_unlink (savename);
400 */
401 g_free (savename);
402 return 0;
403 }
404
405 void menu_save_mode_cmd (void)
406 {
407 #define DLG_X 38
408 #define DLG_Y 10
409 static char *str_result;
410 static int save_mode_new;
411 static const char *str[] =
412 {
413 N_("Quick save "),
414 N_("Safe save "),
415 N_("Do backups -->")};
416 static QuickWidget widgets[] =
417 {
418 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
419 B_CANCEL, 0, 0, NULL},
420 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&OK"), 0,
421 B_ENTER, 0, 0, NULL},
422 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
423 0, 0, &str_result, "edit-backup-ext"},
424 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
425 0, 0, 0, NULL},
426 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
427 0, &save_mode_new, (char **) str, NULL},
428 NULL_QuickWidget};
429 static QuickDialog dialog =
430 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
431 widgets, 0};
432 static int i18n_flag = 0;
433
434 if (!i18n_flag) {
435 size_t i;
436 size_t maxlen = 0;
437 int dlg_x;
438 size_t l1;
439
440 /* OK/Cancel buttons */
441 l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5;
442 maxlen = max (maxlen, l1);
443
444 for (i = 0; i < 3; i++ ) {
445 str[i] = _(str[i]);
446 maxlen = max (maxlen, strlen (str[i]) + 7);
447 }
448 i18n_flag = 1;
449
450 dlg_x = maxlen + strlen (_(widgets[3].text)) + 5 + 1;
451 widgets[2].hotkey_pos = strlen (_(widgets[3].text)); /* input field length */
452 dlg_x = min (COLS, dlg_x);
453 dialog.xlen = dlg_x;
454
455 i = (dlg_x - l1)/3;
456 widgets[1].relative_x = i;
457 widgets[0].relative_x = i + strlen (_(widgets[1].text)) + i + 4;
458
459 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
460
461 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
462 widgets[i].x_divisions = dlg_x;
463 }
464
465 assert (option_backup_ext != NULL);
466 widgets[2].text = option_backup_ext;
467 widgets[4].value = option_save_mode;
468 if (quick_dialog (&dialog) != B_ENTER)
469 return;
470 option_save_mode = save_mode_new;
471
472 g_free (option_backup_ext);
473 option_backup_ext = str_result;
474 str_result = NULL;
475 }
476
477 void
478 edit_set_filename (WEdit *edit, const char *f)
479 {
480 g_free (edit->filename);
481 if (!f)
482 f = "";
483 edit->filename = g_strdup (f);
484 if (edit->dir == NULL && *f != PATH_SEP)
485 #ifdef USE_VFS
486 edit->dir = g_strdup (vfs_get_current_dir ());
487 #else
488 edit->dir = g_get_current_dir ();
489 #endif
490 }
491
492 /* Here we want to warn the users of overwriting an existing file,
493 but only if they have made a change to the filename */
494 /* returns 1 on success */
495 int
496 edit_save_as_cmd (WEdit *edit)
497 {
498 /* This heads the 'Save As' dialog box */
499 char *exp;
500 int save_lock = 0;
501 int different_filename = 0;
502
503 exp = input_expand_dialog (
504 _(" Save As "), _(" Enter file name: "),MC_HISTORY_EDIT_SAVE_AS, edit->filename);
505 edit_push_action (edit, KEY_PRESS + edit->start_display);
506
507 if (exp) {
508 if (!*exp) {
509 g_free (exp);
510 edit->force |= REDRAW_COMPLETELY;
511 return 0;
512 } else {
513 int rv;
514 if (strcmp (edit->filename, exp)) {
515 int file;
516 different_filename = 1;
517 if ((file = mc_open (exp, O_RDONLY | O_BINARY)) != -1) {
518 /* the file exists */
519 mc_close (file);
520 /* Overwrite the current file or cancel the operation */
521 if (edit_query_dialog2
522 (_("Warning"),
523 _(" A file already exists with this name. "),
524 _("&Overwrite"), _("&Cancel"))) {
525 edit->force |= REDRAW_COMPLETELY;
526 g_free (exp);
527 return 0;
528 }
529 }
530 save_lock = edit_lock_file (exp);
531 } else {
532 /* filenames equal, check if already locked */
533 if (!edit->locked && !edit->delete_file)
534 save_lock = edit_lock_file (exp);
535 }
536
537 rv = edit_save_file (edit, exp);
538 switch (rv) {
539 case 1:
540 /* Succesful, so unlock both files */
541 if (different_filename) {
542 if (save_lock)
543 edit_unlock_file (exp);
544 if (edit->locked)
545 edit->locked = edit_unlock_file (edit->filename);
546 } else {
547 if (edit->locked || save_lock)
548 edit->locked = edit_unlock_file (edit->filename);
549 }
550
551 edit_set_filename (edit, exp);
552 g_free (exp);
553 edit->modified = 0;
554 edit->delete_file = 0;
555 if (different_filename)
556 edit_load_syntax (edit, NULL, option_syntax_type);
557 edit->force |= REDRAW_COMPLETELY;
558 return 1;
559 default:
560 edit_error_dialog (_(" Save As "),
561 get_sys_error (_
562 (" Cannot save file. ")));
563 /* fallthrough */
564 case -1:
565 /* Failed, so maintain modify (not save) lock */
566 if (save_lock)
567 edit_unlock_file (exp);
568 g_free (exp);
569 edit->force |= REDRAW_COMPLETELY;
570 return 0;
571 }
572 }
573 }
574 edit->force |= REDRAW_COMPLETELY;
575 return 0;
576 }
577
578 /* {{{ Macro stuff starts here */
579
580 static cb_ret_t
581 raw_callback (struct Dlg_head *h, dlg_msg_t msg, int parm)
582 {
583 switch (msg) {
584 case DLG_KEY:
585 h->running = 0;
586 h->ret_value = parm;
587 return MSG_HANDLED;
588 default:
589 return default_dlg_callback (h, msg, parm);
590 }
591 }
592
593 /* gets a raw key from the keyboard. Passing cancel = 1 draws
594 a cancel button thus allowing c-c etc. Alternatively, cancel = 0
595 will return the next key pressed. ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
596 and Esc are cannot returned */
597 int
598 edit_raw_key_query (const char *heading, const char *query, int cancel)
599 {
600 int w = strlen (query) + 7;
601 struct Dlg_head *raw_dlg =
602 create_dlg (0, 0, 7, w, dialog_colors, raw_callback,
603 NULL, heading,
604 DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB);
605 add_widget (raw_dlg,
606 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0, INPUT_COMPLETE_DEFAULT));
607 add_widget (raw_dlg, label_new (3 - cancel, 2, query));
608 if (cancel)
609 add_widget (raw_dlg,
610 button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON,
611 _("Cancel"), 0));
612 run_dlg (raw_dlg);
613 w = raw_dlg->ret_value;
614 destroy_dlg (raw_dlg);
615 if (cancel) {
616 if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR
617 || w == B_CANCEL)
618 return 0;
619 }
620
621 return w;
622 }
623
624 /* creates a macro file if it doesn't exist */
625 static FILE *edit_open_macro_file (const char *r)
626 {
627 const char *filename;
628 int file;
629 filename = catstrs (home_dir, PATH_SEP_STR MACRO_FILE, (char *) NULL);
630 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
631 return 0;
632 close (file);
633 return fopen (filename, r);
634 }
635
636 #define MAX_MACROS 1024
637 static int saved_macro[MAX_MACROS + 1];
638 static int saved_macros_loaded = 0;
639
640 /*
641 This is just to stop the macro file be loaded over and over for keys
642 that aren't defined to anything. On slow systems this could be annoying.
643 */
644 static int
645 macro_exists (int k)
646 {
647 int i;
648 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
649 if (saved_macro[i] == k)
650 return i;
651 return -1;
652 }
653
654 /* returns 1 on error */
655 static int
656 edit_delete_macro (WEdit * edit, int k)
657 {
658 struct macro macro[MAX_MACRO_LENGTH];
659 FILE *f, *g;
660 int s, i, n, j = 0;
661
662 (void) edit;
663
664 if (saved_macros_loaded)
665 if ((j = macro_exists (k)) < 0)
666 return 0;
667 g = fopen (catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL), "w");
668 if (!g) {
669 edit_error_dialog (_(" Delete macro "),
670 get_sys_error (_(" Cannot open temp file ")));
671 return 1;
672 }
673 f = edit_open_macro_file ("r");
674 if (!f) {
675 edit_error_dialog (_(" Delete macro "),
676 get_sys_error (_(" Cannot open macro file ")));
677 fclose (g);
678 return 1;
679 }
680 for (;;) {
681 n = fscanf (f, ("key '%d 0': "), &s);
682 if (!n || n == EOF)
683 break;
684 n = 0;
685 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
686 n++;
687 fscanf (f, ";\n");
688 if (s != k) {
689 fprintf (g, ("key '%d 0': "), s);
690 for (i = 0; i < n; i++)
691 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
692 fprintf (g, ";\n");
693 }
694 }
695 fclose (f);
696 fclose (g);
697 if (rename (catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL), catstrs (home_dir, PATH_SEP_STR MACRO_FILE, (char *) NULL)) == -1) {
698 edit_error_dialog (_(" Delete macro "),
699 get_sys_error (_(" Cannot overwrite macro file ")));
700 return 1;
701 }
702 if (saved_macros_loaded)
703 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
704 return 0;
705 }
706
707 /* returns 0 on error */
708 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
709 {
710 FILE *f;
711 int s, i;
712
713 edit_push_action (edit, KEY_PRESS + edit->start_display);
714 s = edit_raw_key_query (_(" Save macro "),
715 _(" Press the macro's new hotkey: "), 1);
716 edit->force |= REDRAW_COMPLETELY;
717 if (s) {
718 if (edit_delete_macro (edit, s))
719 return 0;
720 f = edit_open_macro_file ("a+");
721 if (f) {
722 fprintf (f, ("key '%d 0': "), s);
723 for (i = 0; i < n; i++)
724 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
725 fprintf (f, ";\n");
726 fclose (f);
727 if (saved_macros_loaded) {
728 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
729 saved_macro[i] = s;
730 }
731 return 1;
732 } else
733 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
734 }
735 return 0;
736 }
737
738 void edit_delete_macro_cmd (WEdit * edit)
739 {
740 int command;
741
742 command = edit_raw_key_query (_ (" Delete macro "),
743 _ (" Press macro hotkey: "), 1);
744
745 if (!command)
746 return;
747
748 edit_delete_macro (edit, command);
749 }
750
751 /* return 0 on error */
752 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
753 {
754 FILE *f;
755 int s, i = 0, found = 0;
756
757 (void) edit;
758
759 if (saved_macros_loaded)
760 if (macro_exists (k) < 0)
761 return 0;
762
763 if ((f = edit_open_macro_file ("r"))) {
764 struct macro dummy;
765 do {
766 int u;
767 u = fscanf (f, ("key '%d 0': "), &s);
768 if (!u || u == EOF)
769 break;
770 if (!saved_macros_loaded)
771 saved_macro[i++] = s;
772 if (!found) {
773 *n = 0;
774 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
775 (*n)++;
776 } else {
777 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
778 }
779 fscanf (f, ";\n");
780 if (s == k)
781 found = 1;
782 } while (!found || !saved_macros_loaded);
783 if (!saved_macros_loaded) {
784 saved_macro[i] = 0;
785 saved_macros_loaded = 1;
786 }
787 fclose (f);
788 return found;
789 } else
790 edit_error_dialog (_(" Load macro "),
791 get_sys_error (_(" Cannot open macro file ")));
792 return 0;
793 }
794
795 /* }}} Macro stuff starts here */
796
797 /* returns 1 on success */
798 int edit_save_confirm_cmd (WEdit * edit)
799 {
800 const char *f;
801
802 if (edit_confirm_save) {
803 f = catstrs (_(" Confirm save file? : "), edit->filename, " ", (char *) NULL);
804 if (edit_query_dialog2 (_(" Save file "), f, _("&Save"), _("&Cancel")))
805 return 0;
806 }
807 return edit_save_cmd (edit);
808 }
809
810
811 /* returns 1 on success */
812 static int
813 edit_save_cmd (WEdit *edit)
814 {
815 int res, save_lock = 0;
816
817 if (!edit->locked && !edit->delete_file)
818 save_lock = edit_lock_file (edit->filename);
819 res = edit_save_file (edit, edit->filename);
820
821 /* Maintain modify (not save) lock on failure */
822 if ((res > 0 && edit->locked) || save_lock)
823 edit->locked = edit_unlock_file (edit->filename);
824
825 /* On failure try 'save as', it does locking on its own */
826 if (!res)
827 return edit_save_as_cmd (edit);
828 edit->force |= REDRAW_COMPLETELY;
829 if (res > 0) {
830 edit->delete_file = 0;
831 edit->modified = 0;
832 }
833
834 return 1;
835 }
836
837
838 /* returns 1 on success */
839 int edit_new_cmd (WEdit * edit)
840 {
841 if (edit->modified) {
842 if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("C&ontinue"), _ ("&Cancel"))) {
843 edit->force |= REDRAW_COMPLETELY;
844 return 0;
845 }
846 }
847 edit->force |= REDRAW_COMPLETELY;
848
849 return edit_renew (edit); /* if this gives an error, something has really screwed up */
850 }
851
852 /* returns 1 on error */
853 static int
854 edit_load_file_from_filename (WEdit * edit, char *exp)
855 {
856 int prev_locked = edit->locked;
857 char *prev_filename = g_strdup (edit->filename);
858
859 if (!edit_reload (edit, exp)) {
860 g_free (prev_filename);
861 return 1;
862 }
863
864 if (prev_locked)
865 edit_unlock_file (prev_filename);
866 g_free (prev_filename);
867 return 0;
868 }
869
870 int
871 edit_load_cmd (WEdit *edit)
872 {
873 char *exp;
874
875 if (edit->modified) {
876 if (edit_query_dialog2
877 (_("Warning"),
878 _(" Current text was modified without a file save. \n"
879 " Continue discards these changes. "), _("C&ontinue"),
880 _("&Cancel"))) {
881 edit->force |= REDRAW_COMPLETELY;
882 return 0;
883 }
884 }
885
886 exp = input_expand_dialog (_(" Load "), _(" Enter file name: "),
887 MC_HISTORY_EDIT_LOAD, edit->filename);
888
889 if (exp) {
890 if (*exp)
891 edit_load_file_from_filename (edit, exp);
892 g_free (exp);
893 }
894 edit->force |= REDRAW_COMPLETELY;
895 return 0;
896 }
897
898 /*
899 if mark2 is -1 then marking is from mark1 to the cursor.
900 Otherwise its between the markers. This handles this.
901 Returns 1 if no text is marked.
902 */
903 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
904 {
905 if (edit->mark1 != edit->mark2) {
906 if (edit->mark2 >= 0) {
907 *start_mark = min (edit->mark1, edit->mark2);
908 *end_mark = max (edit->mark1, edit->mark2);
909 } else {
910 *start_mark = min (edit->mark1, edit->curs1);
911 *end_mark = max (edit->mark1, edit->curs1);
912 edit->column2 = edit->curs_col;
913 }
914 return 0;
915 } else {
916 *start_mark = *end_mark = 0;
917 edit->column2 = edit->column1 = 0;
918 return 1;
919 }
920 }
921
922 #define space_width 1
923
924 static void
925 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
926 {
927 long cursor;
928 int i, col;
929 cursor = edit->curs1;
930 col = edit_get_col (edit);
931 for (i = 0; i < size; i++) {
932 if (data[i] == '\n') { /* fill in and move to next line */
933 int l;
934 long p;
935 if (edit_get_byte (edit, edit->curs1) != '\n') {
936 l = width - (edit_get_col (edit) - col);
937 while (l > 0) {
938 edit_insert (edit, ' ');
939 l -= space_width;
940 }
941 }
942 for (p = edit->curs1;; p++) {
943 if (p == edit->last_byte) {
944 edit_cursor_move (edit, edit->last_byte - edit->curs1);
945 edit_insert_ahead (edit, '\n');
946 p++;
947 break;
948 }
949 if (edit_get_byte (edit, p) == '\n') {
950 p++;
951 break;
952 }
953 }
954 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
955 l = col - edit_get_col (edit);
956 while (l >= space_width) {
957 edit_insert (edit, ' ');
958 l -= space_width;
959 }
960 continue;
961 }
962 edit_insert (edit, data[i]);
963 }
964 edit_cursor_move (edit, cursor - edit->curs1);
965 }
966
967
968 void
969 edit_block_copy_cmd (WEdit *edit)
970 {
971 long start_mark, end_mark, current = edit->curs1;
972 int size;
973 unsigned char *copy_buf;
974
975 edit_update_curs_col (edit);
976 if (eval_marks (edit, &start_mark, &end_mark))
977 return;
978
979 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
980
981 /* all that gets pushed are deletes hence little space is used on the stack */
982
983 edit_push_markers (edit);
984
985 if (column_highlighting) {
986 edit_insert_column_of_text (edit, copy_buf, size,
987 abs (edit->column2 - edit->column1));
988 } else {
989 while (size--)
990 edit_insert_ahead (edit, copy_buf[size]);
991 }
992
993 g_free (copy_buf);
994 edit_scroll_screen_over_cursor (edit);
995
996 if (column_highlighting) {
997 edit_set_markers (edit, 0, 0, 0, 0);
998 edit_push_action (edit, COLUMN_ON);
999 column_highlighting = 0;
1000 } else if (start_mark < current && end_mark > current)
1001 edit_set_markers (edit, start_mark,
1002 end_mark + end_mark - start_mark, 0, 0);
1003
1004 edit->force |= REDRAW_PAGE;
1005 }
1006
1007
1008 void
1009 edit_block_move_cmd (WEdit *edit)
1010 {
1011 long count;
1012 long current;
1013 unsigned char *copy_buf;
1014 long start_mark, end_mark;
1015 int deleted = 0;
1016 int x = 0;
1017
1018 if (eval_marks (edit, &start_mark, &end_mark))
1019 return;
1020 if (column_highlighting) {
1021 edit_update_curs_col (edit);
1022 x = edit->curs_col;
1023 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1024 if ((x > edit->column1 && x < edit->column2)
1025 || (x > edit->column2 && x < edit->column1))
1026 return;
1027 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1028 return;
1029
1030 if ((end_mark - start_mark) > option_max_undo / 2)
1031 if (edit_query_dialog2
1032 (_("Warning"),
1033 _
1034 (" Block is large, you may not be able to undo this action. "),
1035 _("C&ontinue"), _("&Cancel")))
1036 return;
1037
1038 edit_push_markers (edit);
1039 current = edit->curs1;
1040 if (column_highlighting) {
1041 int size, c1, c2, line;
1042 line = edit->curs_line;
1043 if (edit->mark2 < 0)
1044 edit_mark_cmd (edit, 0);
1045 c1 = min (edit->column1, edit->column2);
1046 c2 = max (edit->column1, edit->column2);
1047 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1048 if (x < c2) {
1049 edit_block_delete_cmd (edit);
1050 deleted = 1;
1051 }
1052 edit_move_to_line (edit, line);
1053 edit_cursor_move (edit,
1054 edit_move_forward3 (edit,
1055 edit_bol (edit, edit->curs1),
1056 x, 0) - edit->curs1);
1057 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
1058 if (!deleted) {
1059 line = edit->curs_line;
1060 edit_update_curs_col (edit);
1061 x = edit->curs_col;
1062 edit_block_delete_cmd (edit);
1063 edit_move_to_line (edit, line);
1064 edit_cursor_move (edit,
1065 edit_move_forward3 (edit,
1066 edit_bol (edit,
1067 edit->curs1),
1068 x, 0) - edit->curs1);
1069 }
1070 edit_set_markers (edit, 0, 0, 0, 0);
1071 edit_push_action (edit, COLUMN_ON);
1072 column_highlighting = 0;
1073 } else {
1074 copy_buf = g_malloc (end_mark - start_mark);
1075 edit_cursor_move (edit, start_mark - edit->curs1);
1076 edit_scroll_screen_over_cursor (edit);
1077 count = start_mark;
1078 while (count < end_mark) {
1079 copy_buf[end_mark - count - 1] = edit_delete (edit);
1080 count++;
1081 }
1082 edit_scroll_screen_over_cursor (edit);
1083 edit_cursor_move (edit,
1084 current - edit->curs1 -
1085 (((current - edit->curs1) >
1086 0) ? end_mark - start_mark : 0));
1087 edit_scroll_screen_over_cursor (edit);
1088 while (count-- > start_mark)
1089 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
1090 edit_set_markers (edit, edit->curs1,
1091 edit->curs1 + end_mark - start_mark, 0, 0);
1092 }
1093 edit_scroll_screen_over_cursor (edit);
1094 g_free (copy_buf);
1095 edit->force |= REDRAW_PAGE;
1096 }
1097
1098 static void
1099 edit_delete_column_of_text (WEdit * edit)
1100 {
1101 long p, q, r, m1, m2;
1102 int b, c, d;
1103 int n;
1104
1105 eval_marks (edit, &m1, &m2);
1106 n = edit_move_forward (edit, m1, 0, m2) + 1;
1107 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
1108 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
1109
1110 b = min (c, d);
1111 c = max (c, d);
1112
1113 while (n--) {
1114 r = edit_bol (edit, edit->curs1);
1115 p = edit_move_forward3 (edit, r, b, 0);
1116 q = edit_move_forward3 (edit, r, c, 0);
1117 if (p < m1)
1118 p = m1;
1119 if (q > m2)
1120 q = m2;
1121 edit_cursor_move (edit, p - edit->curs1);
1122 while (q > p) { /* delete line between margins */
1123 if (edit_get_byte (edit, edit->curs1) != '\n')
1124 edit_delete (edit);
1125 q--;
1126 }
1127 if (n) /* move to next line except on the last delete */
1128 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
1129 }
1130 }
1131
1132 /* if success return 0 */
1133 static int
1134 edit_block_delete (WEdit *edit)
1135 {
1136 long count;
1137 long start_mark, end_mark;
1138 if (eval_marks (edit, &start_mark, &end_mark))
1139 return 0;
1140 if (column_highlighting && edit->mark2 < 0)
1141 edit_mark_cmd (edit, 0);
1142 if ((end_mark - start_mark) > option_max_undo / 2) {
1143 /* Warning message with a query to continue or cancel the operation */
1144 if (edit_query_dialog2
1145 (_("Warning"),
1146 _
1147 (" Block is large, you may not be able to undo this action. "),
1148 _("C&ontinue"), _("&Cancel"))) {
1149 return 1;
1150 }
1151 }
1152 edit_push_markers (edit);
1153 edit_cursor_move (edit, start_mark - edit->curs1);
1154 edit_scroll_screen_over_cursor (edit);
1155 count = start_mark;
1156 if (start_mark < end_mark) {
1157 if (column_highlighting) {
1158 if (edit->mark2 < 0)
1159 edit_mark_cmd (edit, 0);
1160 edit_delete_column_of_text (edit);
1161 } else {
1162 while (count < end_mark) {
1163 edit_delete (edit);
1164 count++;
1165 }
1166 }
1167 }
1168 edit_set_markers (edit, 0, 0, 0, 0);
1169 edit->force |= REDRAW_PAGE;
1170 return 0;
1171 }
1172
1173 /* returns 1 if canceelled by user */
1174 int edit_block_delete_cmd (WEdit * edit)
1175 {
1176 long start_mark, end_mark;
1177 if (eval_marks (edit, &start_mark, &end_mark)) {
1178 edit_delete_line (edit);
1179 return 0;
1180 }
1181 return edit_block_delete (edit);
1182 }
1183
1184
1185 #define INPUT_INDEX 9
1186 #define SEARCH_DLG_WIDTH 58
1187 #define SEARCH_DLG_HEIGHT 10
1188 #define REPLACE_DLG_WIDTH 58
1189 #define REPLACE_DLG_HEIGHT 15
1190 #define CONFIRM_DLG_WIDTH 79
1191 #define CONFIRM_DLG_HEIGTH 6
1192 #define B_REPLACE_ALL (B_USER+1)
1193 #define B_REPLACE_ONE (B_USER+2)
1194 #define B_SKIP_REPLACE (B_USER+3)
1195
1196 static int
1197 edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos)
1198 {
1199 QuickWidget quick_widgets[] =
1200 {
1201 {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"),
1202 0, B_CANCEL, 0, 0, NULL},
1203 {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("O&ne"),
1204 0, B_REPLACE_ONE, 0, 0, NULL},
1205 {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("A&ll"),
1206 0, B_REPLACE_ALL, 0, 0, NULL},
1207 {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"),
1208 0, B_SKIP_REPLACE, 0, 0, NULL},
1209 {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"),
1210 0, B_ENTER, 0, 0, NULL},
1211 {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0,
1212 0, 0, 0, 0, 0},
1213 NULL_QuickWidget};
1214
1215 GString *label_text = g_string_new (_(" Replace with: "));
1216 if (*replace_text) {
1217 size_t label_len;
1218 label_len = label_text->len;
1219 g_string_append (label_text, replace_text);
1220 convert_to_display (label_text->str + label_len);
1221 }
1222 quick_widgets[5].text = label_text->str;
1223
1224 {
1225 int retval;
1226 QuickDialog Quick_input =
1227 {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "),
1228 "[Input Line Keys]", 0 /*quick_widgets */, 0 };
1229
1230 Quick_input.widgets = quick_widgets;
1231
1232 Quick_input.xpos = xpos;
1233
1234 /* Sometimes menu can hide replaced text. I don't like it */
1235
1236 if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1))
1237 ypos -= CONFIRM_DLG_HEIGTH;
1238
1239 Quick_input.ypos = ypos;
1240 retval = quick_dialog (&Quick_input);
1241 g_string_free (label_text, TRUE);
1242 return retval;
1243 }
1244 }
1245
1246 static void
1247 edit_replace_dialog (WEdit * edit, const char *search_default,
1248 const char *replace_default, const char *argorder_default,
1249 /*@out@*/ char **search_text, /*@out@*/ char **replace_text,
1250 /*@out@*/ char **arg_order)
1251 {
1252 int treplace_scanf = replace_scanf;
1253 int treplace_regexp = replace_regexp;
1254 int treplace_all = replace_all;
1255 int treplace_prompt = replace_prompt;
1256 int treplace_backwards = replace_backwards;
1257 int treplace_whole = replace_whole;
1258 int treplace_case = replace_case;
1259
1260 /* Alt-p is in use as hotkey for previous entry; don't use */
1261 QuickWidget quick_widgets[] =
1262 {
1263 {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1264 0, NULL},
1265 {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
1266 0, NULL},
1267 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1268 0, 0, NULL},
1269 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0,
1270 0, 0, NULL},
1271 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pro&Mpt on replace"), 0, 0,
1272 0, 0, NULL},
1273 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1274 0, 0, NULL},
1275 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1276 0, 0, NULL},
1277 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1278 0, 0, NULL},
1279 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1280 0, 0, NULL},
1281 {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1282 0, "edit-argord"},
1283 {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0,
1284 0, 0, 0},
1285 {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1286 0, "edit-replace"},
1287 {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0,
1288 0, 0},
1289 {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1290 0, "edit-search"},
1291 {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1292 0, 0},
1293 NULL_QuickWidget};
1294
1295 (void) edit;
1296
1297 quick_widgets[2].result = &treplace_scanf;
1298 quick_widgets[3].result = &treplace_all;
1299 quick_widgets[4].result = &treplace_prompt;
1300 quick_widgets[5].result = &treplace_backwards;
1301 quick_widgets[6].result = &treplace_regexp;
1302 quick_widgets[7].result = &treplace_whole;
1303 quick_widgets[8].result = &treplace_case;
1304 quick_widgets[9].str_result = arg_order;
1305 quick_widgets[9].text = argorder_default;
1306 quick_widgets[11].str_result = replace_text;
1307 quick_widgets[11].text = replace_default;
1308 quick_widgets[13].str_result = search_text;
1309 quick_widgets[13].text = search_default;
1310 {
1311 QuickDialog Quick_input =
1312 {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "),
1313 "[Input Line Keys]", 0 /*quick_widgets */, 0};
1314
1315 Quick_input.widgets = quick_widgets;
1316
1317 if (quick_dialog (&Quick_input) != B_CANCEL) {
1318 replace_scanf = treplace_scanf;
1319 replace_backwards = treplace_backwards;
1320 replace_regexp = treplace_regexp;
1321 replace_all = treplace_all;
1322 replace_prompt = treplace_prompt;
1323 replace_whole = treplace_whole;
1324 replace_case = treplace_case;
1325 return;
1326 } else {
1327 *arg_order = NULL;
1328 *replace_text = NULL;
1329 *search_text = NULL;
1330 return;
1331 }
1332 }
1333 }
1334
1335
1336 static void
1337 edit_search_dialog (WEdit * edit, char **search_text)
1338 {
1339 int treplace_scanf = replace_scanf;
1340 int treplace_regexp = replace_regexp;
1341 int treplace_whole = replace_whole;
1342 int treplace_case = replace_case;
1343 int treplace_backwards = replace_backwards;
1344
1345 QuickWidget quick_widgets[] =
1346 {
1347 {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1348 0, NULL},
1349 {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
1350 0, NULL},
1351 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1352 0, 0, NULL },
1353 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1354 0, 0, NULL},
1355 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1356 0, 0, NULL},
1357 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1358 0, 0, NULL},
1359 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1360 0, 0, NULL},
1361 {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0,
1362 0, "edit-search"},
1363 {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1364 0, 0},
1365 NULL_QuickWidget};
1366
1367 (void) edit;
1368
1369 quick_widgets[2].result = &treplace_scanf;
1370 quick_widgets[3].result = &treplace_backwards;
1371 quick_widgets[4].result = &treplace_regexp;
1372 quick_widgets[5].result = &treplace_whole;
1373 quick_widgets[6].result = &treplace_case;
1374 quick_widgets[7].str_result = search_text;
1375 quick_widgets[7].text = *search_text;
1376
1377 {
1378 QuickDialog Quick_input =
1379 {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_("Search"),
1380 "[Input Line Keys]", 0 /*quick_widgets */, 0};
1381
1382 Quick_input.widgets = quick_widgets;
1383
1384 if (quick_dialog (&Quick_input) != B_CANCEL) {
1385 replace_scanf = treplace_scanf;
1386 replace_backwards = treplace_backwards;
1387 replace_regexp = treplace_regexp;
1388 replace_whole = treplace_whole;
1389 replace_case = treplace_case;
1390 } else {
1391 *search_text = NULL;
1392 }
1393 }
1394 }
1395
1396
1397 static long sargs[NUM_REPL_ARGS][256 / sizeof (long)];
1398
1399 #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \
1400 sargs[4], sargs[5], sargs[6], sargs[7], \
1401 sargs[8], sargs[9], sargs[10], sargs[11], \
1402 sargs[12], sargs[13], sargs[14], sargs[15]
1403
1404 #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \
1405 sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \
1406 sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
1407 sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
1408
1409
1410 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
1411 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
1412 static int
1413 string_regexp_search (char *pattern, char *string, int match_type,
1414 int match_bol, int icase, int *found_len, void *d)
1415 {
1416 static regex_t r;
1417 static char *old_pattern = NULL;
1418 static int old_type, old_icase;
1419 regmatch_t *pmatch;
1420 static regmatch_t s[1];
1421
1422 pmatch = (regmatch_t *) d;
1423 if (!pmatch)
1424 pmatch = s;
1425
1426 if (!old_pattern || strcmp (old_pattern, pattern)
1427 || old_type != match_type || old_icase != icase) {
1428 if (old_pattern) {
1429 regfree (&r);
1430 g_free (old_pattern);
1431 old_pattern = 0;
1432 }
1433 if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0) |
1434 REG_NEWLINE)) {
1435 *found_len = 0;
1436 return -3;
1437 }
1438 old_pattern = g_strdup (pattern);
1439 old_type = match_type;
1440 old_icase = icase;
1441 }
1442 if (regexec
1443 (&r, string, d ? NUM_REPL_ARGS : 1, pmatch,
1444 ((match_bol
1445 || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) {
1446 *found_len = 0;
1447 return -1;
1448 }
1449 *found_len = pmatch[0].rm_eo - pmatch[0].rm_so;
1450 return (pmatch[0].rm_so);
1451 }
1452
1453 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1454 (and the above) routines to work properly - paul */
1455
1456 typedef int (*edit_getbyte_fn) (WEdit *, long);
1457
1458 static long
1459 edit_find_string (long start, unsigned char *exp, int *len, long last_byte, edit_getbyte_fn get_byte, void *data, int once_only, void *d)
1460 {
1461 long p, q = 0;
1462 long l = strlen ((char *) exp), f = 0;
1463 int n = 0;
1464
1465 for (p = 0; p < l; p++) /* count conversions... */
1466 if (exp[p] == '%')
1467 if (exp[++p] != '%') /* ...except for "%%" */
1468 n++;
1469
1470 if (replace_scanf || replace_regexp) {
1471 int c;
1472 unsigned char *buf;
1473 unsigned char mbuf[MAX_REPL_LEN * 2 + 3];
1474
1475 replace_scanf = (!replace_regexp); /* can't have both */
1476
1477 buf = mbuf;
1478
1479 if (replace_scanf) {
1480 unsigned char e[MAX_REPL_LEN];
1481 if (n >= NUM_REPL_ARGS)
1482 return -3;
1483
1484 if (replace_case) {
1485 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++)
1486 buf[p - start] = (*get_byte) (data, p);
1487 } else {
1488 for (p = 0; exp[p] != 0; p++)
1489 exp[p] = my_lower_case (exp[p]);
1490 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) {
1491 c = (*get_byte) (data, p);
1492 buf[p - start] = my_lower_case (c);
1493 }
1494 }
1495
1496 buf[(q = p - start)] = 0;
1497 strcpy ((char *) e, (char *) exp);
1498 strcat ((char *) e, "%n");
1499 exp = e;
1500
1501 while (q) {
1502 *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */
1503 if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) {
1504 if (*((int *) sargs[n])) {
1505 *len = *((int *) sargs[n]);
1506 return start;
1507 }
1508 }
1509 if (once_only)
1510 return -2;
1511 if (q + start < last_byte) {
1512 if (replace_case) {
1513 buf[q] = (*get_byte) (data, q + start);
1514 } else {
1515 c = (*get_byte) (data, q + start);
1516 buf[q] = my_lower_case (c);
1517 }
1518 q++;
1519 }
1520 buf[q] = 0;
1521 start++;
1522 buf++; /* move the window along */
1523 if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */
1524 memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */
1525 buf = mbuf;
1526 }
1527 q--;
1528 }
1529 } else { /* regexp matching */
1530 long offset = 0;
1531 int found_start, match_bol, move_win = 0;
1532
1533 while (start + offset < last_byte) {
1534 match_bol = (start == 0 || (*get_byte) (data, start + offset - 1) == '\n');
1535 if (!move_win) {
1536 p = start + offset;
1537 q = 0;
1538 }
1539 for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) {
1540 mbuf[q] = (*get_byte) (data, p);
1541 if (mbuf[q] == '\n') {
1542 q++;
1543 break;
1544 }
1545 }
1546 offset += q;
1547 mbuf[q] = 0;
1548
1549 buf = mbuf;
1550 while (q) {
1551 found_start = string_regexp_search ((char *) exp, (char *) buf, match_normal, match_bol, !replace_case, len, d);
1552
1553 if (found_start <= -2) { /* regcomp/regexec error */
1554 *len = 0;
1555 return -3;
1556 }
1557 else if (found_start == -1) /* not found: try next line */
1558 break;
1559 else if (*len == 0) { /* null pattern: try again at next character */
1560 q--;
1561 buf++;
1562 match_bol = 0;
1563 continue;
1564 }
1565 else /* found */
1566 return (start + offset - q + found_start);
1567 }
1568 if (once_only)
1569 return -2;
1570
1571 if (buf[q - 1] != '\n') { /* incomplete line: try to recover */
1572 buf = mbuf + MAX_REPL_LEN / 2;
1573 q = strlen ((const char *) buf);
1574 memmove (mbuf, buf, q);
1575 p = start + q;
1576 move_win = 1;
1577 }
1578 else
1579 move_win = 0;
1580 }
1581 }
1582 } else {
1583 *len = strlen ((const char *) exp);
1584 if (replace_case) {
1585 for (p = start; p <= last_byte - l; p++) {
1586 if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */
1587 for (f = 0, q = 0; q < l && f < 1; q++)
1588 if ((*get_byte) (data, q + p) != (unsigned char)exp[q])
1589 f = 1;
1590 if (f == 0)
1591 return p;
1592 }
1593 if (once_only)
1594 return -2;
1595 }
1596 } else {
1597 for (p = 0; exp[p] != 0; p++)
1598 exp[p] = my_lower_case (exp[p]);
1599
1600 for (p = start; p <= last_byte - l; p++) {
1601 if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) {
1602 for (f = 0, q = 0; q < l && f < 1; q++)
1603 if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q])
1604 f = 1;
1605 if (f == 0)
1606 return p;
1607 }
1608 if (once_only)
1609 return -2;
1610 }
1611 }
1612 }
1613 return -2;
1614 }
1615
1616
1617 static long
1618 edit_find_forwards (long search_start, unsigned char *exp, int *len, long last_byte, edit_getbyte_fn get_byte, void *data, int once_only, void *d)
1619 { /*front end to find_string to check for
1620 whole words */
1621 long p;
1622 p = search_start;
1623
1624 while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) {
1625 if (replace_whole) {
1626 /*If the bordering chars are not in option_whole_chars_search then word is whole */
1627 if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1))
1628 && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len)))
1629 return p;
1630 if (once_only)
1631 return -2;
1632 } else
1633 return p;
1634 if (once_only)
1635 break;
1636 p++; /*not a whole word so continue search. */
1637 }
1638 return p;
1639 }
1640
1641 static long
1642 edit_find (long search_start, unsigned char *exp, int *len, long last_byte, edit_getbyte_fn get_byte, void *data, void *d)
1643 {
1644 long p;
1645 if (replace_backwards) {
1646 while (search_start >= 0) {
1647 p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d);
1648 if (p == search_start)
1649 return p;
1650 search_start--;
1651 }
1652 } else {
1653 return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d);
1654 }
1655 return -2;
1656 }
1657
1658 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1659
1660 #define snprint(v) { \
1661 *p1++ = *p++; \
1662 *p1 = '\0'; \
1663 n = snprintf(s,e-s,q1,v); \
1664 if (n >= (size_t) (e - s)) goto nospc; \
1665 s += n; \
1666 }
1667
1668 /* this function uses the sprintf command to do a vprintf */
1669 /* it takes pointers to arguments instead of the arguments themselves */
1670 /* The return value is the number of bytes written excluding '\0'
1671 if successfull, -1 if the resulting string would be too long and
1672 -2 if the format string is errorneous. */
1673 static int snprintf_p (char *str, size_t size, const char *fmt,...)
1674 __attribute__ ((format (printf, 3, 4)));
1675
1676 static int snprintf_p (char *str, size_t size, const char *fmt,...)
1677 {
1678 va_list ap;
1679 size_t n;
1680 const char *q, *p;
1681 char *s = str, *e = str + size;
1682 char q1[40];
1683 char *p1;
1684 int nargs = 0;
1685
1686 va_start (ap, fmt);
1687 p = q = fmt;
1688
1689 while ((p = strchr (p, '%'))) {
1690 n = p - q;
1691 if (n >= (size_t) (e - s))
1692 goto nospc;
1693 memcpy (s, q, n); /* copy stuff between format specifiers */
1694 s += n;
1695 q = p;
1696 p1 = q1;
1697 *p1++ = *p++;
1698 if (*p == '%') {
1699 p++;
1700 *s++ = '%';
1701 if (s == e)
1702 goto nospc;
1703 q = p;
1704 continue;
1705 }
1706 if (*p == 'n')
1707 goto err;
1708 /* We were passed only 16 arguments. */
1709 if (++nargs == 16)
1710 goto err;
1711 if (*p == '#')
1712 *p1++ = *p++;
1713 if (*p == '0')
1714 *p1++ = *p++;
1715 if (*p == '-')
1716 *p1++ = *p++;
1717 if (*p == '+')
1718 *p1++ = *p++;
1719 if (*p == '*') {
1720 p++;
1721 strcpy (p1, MY_itoa (*va_arg (ap, int *))); /* replace field width with a number */
1722 p1 += strlen (p1);
1723 } else {
1724 while (is_digit (*p) && p1 < q1 + 20)
1725 *p1++ = *p++;
1726 if (is_digit (*p))
1727 goto err;
1728 }
1729 if (*p == '.')
1730 *p1++ = *p++;
1731 if (*p == '*') {
1732 p++;
1733 strcpy (p1, MY_itoa (*va_arg (ap, int *))); /* replace precision with a number */
1734 p1 += strlen (p1);
1735 } else {
1736 while (is_digit (*p) && p1 < q1 + 32)
1737 *p1++ = *p++;
1738 if (is_digit (*p))
1739 goto err;
1740 }
1741 /* flags done, now get argument */
1742 if (*p == 's') {
1743 snprint (va_arg (ap, char *));
1744 } else if (*p == 'h') {
1745 if (strchr ("diouxX", *p))
1746 snprint (*va_arg (ap, short *));
1747 } else if (*p == 'l') {
1748 *p1++ = *p++;
1749 if (strchr ("diouxX", *p))
1750 snprint (*va_arg (ap, long *));
1751 } else if (strchr ("cdiouxX", *p)) {
1752 snprint (*va_arg (ap, int *));
1753 } else if (*p == 'L') {
1754 *p1++ = *p++;
1755 if (strchr ("EefgG", *p))
1756 snprint (*va_arg (ap, double *)); /* should be long double */
1757 } else if (strchr ("EefgG", *p)) {
1758 snprint (*va_arg (ap, double *));
1759 } else if (strchr ("DOU", *p)) {
1760 snprint (*va_arg (ap, long *));
1761 } else if (*p == 'p') {
1762 snprint (*va_arg (ap, void **));
1763 } else
1764 goto err;
1765 q = p;
1766 }
1767 va_end (ap);
1768 n = strlen (q);
1769 if (n >= (size_t) (e - s))
1770 return -1;
1771 memcpy (s, q, n + 1);
1772 return s + n - str;
1773 nospc:
1774 va_end (ap);
1775 return -1;
1776 err:
1777 va_end (ap);
1778 return -2;
1779 }
1780
1781 static void regexp_error (WEdit *edit)
1782 {
1783 (void) edit;
1784 edit_error_dialog (_("Error"), _(" Invalid regular expression, or scanf expression with too many conversions "));
1785 }
1786
1787 /* call with edit = 0 before shutdown to close memory leaks */
1788 void
1789 edit_replace_cmd (WEdit *edit, int again)
1790 {
1791 static regmatch_t pmatch[NUM_REPL_ARGS];
1792 /* 1 = search string, 2 = replace with, 3 = argument order */
1793 static char *saved1 = NULL; /* saved default[123] */
1794 static char *saved2 = NULL;
1795 static char *saved3 = NULL;
1796 char *input1 = NULL; /* user input from the dialog */
1797 char *input2 = NULL;
1798 char *input3 = NULL;
1799 int replace_yes;
1800 int replace_continue;
1801 int treplace_prompt = 0;
1802 long times_replaced = 0, last_search;
1803 int argord[NUM_REPL_ARGS];
1804
1805 if (!edit) {
1806 g_free (saved1), saved1 = NULL;
1807 g_free (saved2), saved2 = NULL;
1808 g_free (saved3), saved3 = NULL;
1809 return;
1810 }
1811
1812 last_search = edit->last_byte;
1813
1814 edit->force |= REDRAW_COMPLETELY;
1815
1816 if (again && !saved1 && !saved2)
1817 again = 0;
1818
1819 if (again) {
1820 input1 = g_strdup (saved1 ? saved1 : "");
1821 input2 = g_strdup (saved2 ? saved2 : "");
1822 input3 = g_strdup (saved3 ? saved3 : "");
1823 } else {
1824 char *disp1 = g_strdup (saved1 ? saved1 : "");
1825 char *disp2 = g_strdup (saved2 ? saved2 : "");
1826 char *disp3 = g_strdup (saved3 ? saved3 : "");
1827
1828 convert_to_display (disp1);
1829 convert_to_display (disp2);
1830 convert_to_display (disp3);
1831
1832 edit_push_action (edit, KEY_PRESS + edit->start_display);
1833 edit_replace_dialog (edit, disp1, disp2, disp3, &input1, &input2,
1834 &input3);
1835
1836 g_free (disp1);
1837 g_free (disp2);
1838 g_free (disp3);
1839
1840 convert_from_input (input1);
1841 convert_from_input (input2);
1842 convert_from_input (input3);
1843
1844 treplace_prompt = replace_prompt;
1845 if (input1 == NULL || *input1 == '\0') {
1846 edit->force = REDRAW_COMPLETELY;
1847 goto cleanup;
1848 }
1849
1850 g_free (saved1), saved1 = g_strdup (input1);
1851 g_free (saved2), saved2 = g_strdup (input2);
1852 g_free (saved3), saved3 = g_strdup (input3);
1853 }
1854
1855 {
1856 const char *s;
1857 int ord;
1858 size_t i;
1859
1860 s = input3;
1861 for (i = 0; i < NUM_REPL_ARGS; i++) {
1862 if (s != NULL && *s != '\0') {
1863 ord = atoi (s);
1864 if ((ord > 0) && (ord <= NUM_REPL_ARGS))
1865 argord[i] = ord - 1;
1866 else
1867 argord[i] = i;
1868 s = strchr (s, ',');
1869 if (s != NULL)
1870 s++;
1871 } else
1872 argord[i] = i;
1873 }
1874 }
1875
1876 replace_continue = replace_all;
1877
1878 if (edit->found_len && edit->search_start == edit->found_start + 1
1879 && replace_backwards)
1880 edit->search_start--;
1881
1882 if (edit->found_len && edit->search_start == edit->found_start - 1
1883 && !replace_backwards)
1884 edit->search_start++;
1885
1886 do {
1887 int len = 0;
1888 long new_start;
1889 new_start =
1890 edit_find (edit->search_start, (unsigned char *) input1, &len,
1891 last_search, edit_get_byte, (void *) edit, pmatch);
1892 if (new_start == -3) {
1893 regexp_error (edit);
1894 break;
1895 }
1896 edit->search_start = new_start;
1897 /*returns negative on not found or error in pattern */
1898
1899 if (edit->search_start >= 0) {
1900 int i;
1901
1902 edit->found_start = edit->search_start;
1903 i = edit->found_len = len;
1904
1905 edit_cursor_move (edit, edit->search_start - edit->curs1);
1906 edit_scroll_screen_over_cursor (edit);
1907
1908 replace_yes = 1;
1909
1910 if (treplace_prompt) {
1911 int l;
1912 l = edit->curs_row - edit->num_widget_lines / 3;
1913 if (l > 0)
1914 edit_scroll_downward (edit, l);
1915 if (l < 0)
1916 edit_scroll_upward (edit, -l);
1917
1918 edit_scroll_screen_over_cursor (edit);
1919 edit->force |= REDRAW_PAGE;
1920 edit_render_keypress (edit);
1921
1922 /*so that undo stops at each query */
1923 edit_push_key_press (edit);
1924
1925 switch (edit_replace_prompt (edit, input2, /* and prompt 2/3 down */
1926 (edit->num_widget_columns -
1927 CONFIRM_DLG_WIDTH) / 2,
1928 edit->num_widget_lines * 2 /
1929 3)) {
1930 case B_ENTER:
1931 break;
1932 case B_SKIP_REPLACE:
1933 replace_yes = 0;
1934 break;
1935 case B_REPLACE_ALL:
1936 treplace_prompt = 0;
1937 replace_continue = 1;
1938 break;
1939 case B_REPLACE_ONE:
1940 replace_continue = 0;
1941 break;
1942 case B_CANCEL:
1943 replace_yes = 0;
1944 replace_continue = 0;
1945 break;
1946 }
1947 }
1948 if (replace_yes) { /* delete then insert new */
1949 if (replace_scanf) {
1950 char repl_str[MAX_REPL_LEN + 2];
1951 int ret = 0;
1952
1953 /* we need to fill in sargs just like with scanf */
1954 if (replace_regexp) {
1955 int k, j;
1956 for (k = 1;
1957 k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0;
1958 k++) {
1959 unsigned char *t;
1960
1961 if (pmatch[k].rm_eo - pmatch[k].rm_so > 255) {
1962 ret = -1;
1963 break;
1964 }
1965 t = (unsigned char *) &sargs[k - 1][0];
1966 for (j = 0;
1967 j < pmatch[k].rm_eo - pmatch[k].rm_so
1968 && j < 255; j++, t++)
1969 *t = (unsigned char) edit_get_byte (edit,
1970 edit->
1971 search_start
1972 -
1973 pmatch
1974 [0].
1975 rm_so +
1976 pmatch
1977 [k].
1978 rm_so +
1979 j);
1980 *t = '\0';
1981 }
1982 for (; k <= NUM_REPL_ARGS; k++)
1983 sargs[k - 1][0] = 0;
1984 }
1985 if (!ret)
1986 ret =
1987 snprintf_p (repl_str, MAX_REPL_LEN + 2, input2,
1988 PRINTF_ARGS);
1989 if (ret >= 0) {
1990 times_replaced++;
1991 while (i--)
1992 edit_delete (edit);
1993 while (repl_str[++i])
1994 edit_insert (edit, repl_str[i]);
1995 } else {
1996 edit_error_dialog (_(" Replace "),
1997 ret ==
1998 -2 ?
1999 _
2000 (" Error in replacement format string. ")
2001 : _(" Replacement too long. "));
2002 replace_continue = 0;
2003 }
2004 } else {
2005 times_replaced++;
2006 while (i--)
2007 edit_delete (edit);
2008 while (input2[++i])
2009 edit_insert (edit, input2[i]);
2010 }
2011 edit->found_len = i;
2012 }
2013 /* so that we don't find the same string again */
2014 if (replace_backwards) {
2015 last_search = edit->search_start;
2016 edit->search_start--;
2017 } else {
2018 edit->search_start += i;
2019 last_search = edit->last_byte;
2020 }
2021 edit_scroll_screen_over_cursor (edit);
2022 } else {
2023 const char *msg = _(" Replace ");
2024 /* try and find from right here for next search */
2025 edit->search_start = edit->curs1;
2026 edit_update_curs_col (edit);
2027
2028 edit->force |= REDRAW_PAGE;
2029 edit_render_keypress (edit);
2030 if (times_replaced) {
2031 message (D_NORMAL, msg, _(" %ld replacements made. "),
2032 times_replaced);
2033 } else
2034 query_dialog (msg, _(" Search string not found "),
2035 D_NORMAL, 1, _("&OK"));
2036 replace_continue = 0;
2037 }
2038 } while (replace_continue);
2039
2040 edit->force = REDRAW_COMPLETELY;
2041 edit_scroll_screen_over_cursor (edit);
2042 cleanup:
2043 g_free (input1);
2044 g_free (input2);
2045 g_free (input3);
2046 }
2047
2048
2049
2050
2051 void edit_search_cmd (WEdit * edit, int again)
2052 {
2053 static char *old = NULL;
2054 char *exp = "";
2055
2056 if (!edit) {
2057 g_free (old);
2058 old = NULL;
2059 return;
2060 }
2061
2062 exp = old ? old : exp;
2063 if (again) { /*ctrl-hotkey for search again. */
2064 if (!old)
2065 return;
2066 exp = g_strdup (old);
2067 } else {
2068
2069 #ifdef HAVE_CHARSET
2070 if (exp && *exp)
2071 convert_to_display (exp);
2072 #endif /* HAVE_CHARSET */
2073
2074 edit_search_dialog (edit, &exp);
2075
2076 #ifdef HAVE_CHARSET
2077 if (exp && *exp)
2078 convert_from_input (exp);
2079 #endif /* HAVE_CHARSET */
2080
2081 edit_push_action (edit, KEY_PRESS + edit->start_display);
2082 }
2083
2084 if (exp) {
2085 if (*exp) {
2086 int len = 0;
2087 g_free (old);
2088 old = g_strdup (exp);
2089
2090 if (search_create_bookmark) {
2091 int found = 0, books = 0;
2092 int l = 0, l_last = -1;
2093 long p, q = 0;
2094 for (;;) {
2095 p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte,
2096 edit_get_byte, (void *) edit, 0);
2097 if (p < 0)
2098 break;
2099 found++;
2100 l += edit_count_lines (edit, q, p);
2101 if (l != l_last) {
2102 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
2103 books++;
2104 }
2105 l_last = l;
2106 q = p + 1;
2107 }
2108 if (found) {
2109 /* in response to number of bookmarks added because of string being found %d times */
2110 message (D_NORMAL, _("Search"), _(" %d items found, %d bookmarks added "), found, books);
2111 } else {
2112 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
2113 }
2114 } else {
2115
2116 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
2117 edit->search_start--;
2118
2119 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
2120 edit->search_start++;
2121
2122 edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte,
2123 edit_get_byte, (void *) edit, 0);
2124
2125 if (edit->search_start >= 0) {
2126 edit->found_start = edit->search_start;
2127 edit->found_len = len;
2128
2129 edit_cursor_move (edit, edit->search_start - edit->curs1);
2130 edit_scroll_screen_over_cursor (edit);
2131 if (replace_backwards)
2132 edit->search_start--;
2133 else
2134 edit->search_start++;
2135 } else if (edit->search_start == -3) {
2136 edit->search_start = edit->curs1;
2137 regexp_error (edit);
2138 } else {
2139 edit->search_start = edit->curs1;
2140 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
2141 }
2142 }
2143 }
2144 g_free (exp);
2145 }
2146 edit->force |= REDRAW_COMPLETELY;
2147 edit_scroll_screen_over_cursor (edit);
2148 }
2149
2150
2151 /*
2152 * Check if it's OK to close the editor. If there are unsaved changes,
2153 * ask user. Return 1 if it's OK to exit, 0 to continue editing.
2154 */
2155 int
2156 edit_ok_to_exit (WEdit *edit)
2157 {
2158 if (!edit->modified)
2159 return 1;
2160
2161 switch (edit_query_dialog3
2162 (_("Quit"), _(" File was modified, Save with exit? "),
2163 _("&Cancel quit"), _("&Yes"), _("&No"))) {
2164 case 1:
2165 edit_push_markers (edit);
2166 edit_set_markers (edit, 0, 0, 0, 0);
2167 if (!edit_save_cmd (edit))
2168 return 0;
2169 break;
2170 case 2:
2171 break;
2172 case 0:
2173 case -1:
2174 return 0;
2175 }
2176
2177 return 1;
2178 }
2179
2180
2181 #define TEMP_BUF_LEN 1024
2182
2183 /* Return a null terminated length of text. Result must be g_free'd */
2184 static unsigned char *
2185 edit_get_block (WEdit *edit, long start, long finish, int *l)
2186 {
2187 unsigned char *s, *r;
2188 r = s = g_malloc (finish - start + 1);
2189 if (column_highlighting) {
2190 *l = 0;
2191 /* copy from buffer, excluding chars that are out of the column 'margins' */
2192 while (start < finish) {
2193 int c, x;
2194 x = edit_move_forward3 (edit, edit_bol (edit, start), 0,
2195 start);
2196 c = edit_get_byte (edit, start);
2197 if ((x >= edit->column1 && x < edit->column2)
2198 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
2199 *s++ = c;
2200 (*l)++;
2201 }
2202 start++;
2203 }
2204 } else {
2205 *l = finish - start;
2206 while (start < finish)
2207 *s++ = edit_get_byte (edit, start++);
2208 }
2209 *s = 0;
2210 return r;
2211 }
2212
2213 /* save block, returns 1 on success */
2214 int
2215 edit_save_block (WEdit * edit, const char *filename, long start,
2216 long finish)
2217 {
2218 int len, file;
2219
2220 if ((file =
2221 mc_open (filename, O_CREAT | O_WRONLY | O_TRUNC,
2222 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1)
2223 return 0;
2224
2225 if (column_highlighting) {
2226 unsigned char *block, *p;
2227 int r;
2228 p = block = edit_get_block (edit, start, finish, &len);
2229 while (len) {
2230 r = mc_write (file, p, len);
2231 if (r < 0)
2232 break;
2233 p += r;
2234 len -= r;
2235 }
2236 g_free (block);
2237 } else {
2238 unsigned char *buf;
2239 int i = start, end;
2240 len = finish - start;
2241 buf = g_malloc (TEMP_BUF_LEN);
2242 while (start != finish) {
2243 end = min (finish, start + TEMP_BUF_LEN);
2244 for (; i < end; i++)
2245 buf[i - start] = edit_get_byte (edit, i);
2246 len -= mc_write (file, (char *) buf, end - start);
2247 start = end;
2248 }
2249 g_free (buf);
2250 }
2251 mc_close (file);
2252 if (len)
2253 return 0;
2254 return 1;
2255 }
2256
2257 /* copies a block to clipboard file */
2258 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
2259 {
2260 return edit_save_block (edit, catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL), start, finish);
2261 }
2262
2263
2264 void edit_paste_from_history (WEdit *edit)
2265 {
2266 (void) edit;
2267 edit_error_dialog (_(" Error "), _(" This function is not implemented. "));
2268 }
2269
2270 int edit_copy_to_X_buf_cmd (WEdit * edit)
2271 {
2272 long start_mark, end_mark;
2273 if (eval_marks (edit, &start_mark, &end_mark))
2274 return 0;
2275 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2276 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
2277 return 1;
2278 }
2279 edit_mark_cmd (edit, 1);
2280 return 0;
2281 }
2282
2283 int edit_cut_to_X_buf_cmd (WEdit * edit)
2284 {
2285 long start_mark, end_mark;
2286 if (eval_marks (edit, &start_mark, &end_mark))
2287 return 0;
2288 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2289 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
2290 return 1;
2291 }
2292 edit_block_delete_cmd (edit);
2293 edit_mark_cmd (edit, 1);
2294 return 0;
2295 }
2296
2297 void edit_paste_from_X_buf_cmd (WEdit * edit)
2298 {
2299 edit_insert_file (edit, catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL));
2300 }
2301
2302
2303 /*
2304 * Ask user for the line and go to that line.
2305 * Negative numbers mean line from the end (i.e. -1 is the last line).
2306 */
2307 void
2308 edit_goto_cmd (WEdit *edit)
2309 {
2310 char *f;
2311 static long line = 0; /* line as typed, saved as default */
2312 long l;
2313 char *error;
2314 char s[32];
2315
2316 g_snprintf (s, sizeof (s), "%ld", line);
2317 f = input_dialog (_(" Goto line "), _(" Enter line: "), MC_HISTORY_EDIT_GOTO_LINE,
2318 line ? s : "");
2319 if (!f)
2320 return;
2321
2322 if (!*f) {
2323 g_free (f);
2324 return;
2325 }
2326
2327 l = strtol (f, &error, 0);
2328 if (*error) {
2329 g_free (f);
2330 return;
2331 }
2332
2333 line = l;
2334 if (l < 0)
2335 l = edit->total_lines + l + 2;
2336 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
2337 edit_move_to_line (edit, l - 1);
2338 edit->force |= REDRAW_COMPLETELY;
2339 g_free (f);
2340 }
2341
2342
2343 /* Return 1 on success */
2344 int
2345 edit_save_block_cmd (WEdit *edit)
2346 {
2347 long start_mark, end_mark;
2348 char *exp;
2349 if (eval_marks (edit, &start_mark, &end_mark))
2350 return 1;
2351 exp =
2352 input_expand_dialog (_(" Save Block "), _(" Enter file name: "),
2353 MC_HISTORY_EDIT_SAVE_BLOCK,
2354 catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL));
2355 edit_push_action (edit, KEY_PRESS + edit->start_display);
2356 if (exp) {
2357 if (!*exp) {
2358 g_free (exp);
2359 return 0;
2360 } else {
2361 if (edit_save_block (edit, exp, start_mark, end_mark)) {
2362 g_free (exp);
2363 edit->force |= REDRAW_COMPLETELY;
2364 return 1;
2365 } else {
2366 g_free (exp);
2367 edit_error_dialog (_(" Save Block "),
2368 get_sys_error (_
2369 (" Cannot save file. ")));
2370 }
2371 }
2372 }
2373 edit->force |= REDRAW_COMPLETELY;
2374 return 0;
2375 }
2376
2377
2378 /* returns 1 on success */
2379 int
2380 edit_insert_file_cmd (WEdit *edit)
2381 {
2382 char *exp = input_expand_dialog (_(" Insert File "), _(" Enter file name: "),
2383 MC_HISTORY_EDIT_INSERT_FILE,
2384 catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL));
2385 edit_push_action (edit, KEY_PRESS + edit->start_display);
2386 if (exp) {
2387 if (!*exp) {
2388 g_free (exp);
2389 return 0;
2390 } else {
2391 if (edit_insert_file (edit, exp)) {
2392 g_free (exp);
2393 edit->force |= REDRAW_COMPLETELY;
2394 return 1;
2395 } else {
2396 g_free (exp);
2397 edit_error_dialog (_(" Insert File "),
2398 get_sys_error (_
2399 (" Cannot insert file. ")));
2400 }
2401 }
2402 }
2403 edit->force |= REDRAW_COMPLETELY;
2404 return 0;
2405 }
2406
2407 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
2408 int edit_sort_cmd (WEdit * edit)
2409 {
2410 static char *old = 0;
2411 char *exp;
2412 long start_mark, end_mark;
2413 int e;
2414
2415 if (eval_marks (edit, &start_mark, &end_mark)) {
2416 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
2417 return 0;
2418 }
2419 edit_save_block (edit, catstrs (home_dir, PATH_SEP_STR BLOCK_FILE, (char *) NULL), start_mark, end_mark);
2420
2421 exp = input_dialog (_(" Run Sort "),
2422 _(" Enter sort options (see manpage) separated by whitespace: "),
2423 MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "");
2424
2425 if (!exp)
2426 return 1;
2427 g_free (old);
2428 old = exp;
2429
2430 e = system (catstrs (" sort ", exp, " ", home_dir, PATH_SEP_STR BLOCK_FILE, " > ", home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2431 if (e) {
2432 if (e == -1 || e == 127) {
2433 edit_error_dialog (_(" Sort "),
2434 get_sys_error (_(" Cannot execute sort command ")));
2435 } else {
2436 char q[8];
2437 sprintf (q, "%d ", e);
2438 edit_error_dialog (_(" Sort "),
2439 catstrs (_(" Sort returned non-zero: "), q, (char *) NULL));
2440 }
2441 return -1;
2442 }
2443
2444 edit->force |= REDRAW_COMPLETELY;
2445
2446 if (edit_block_delete_cmd (edit))
2447 return 1;
2448 edit_insert_file (edit, catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2449 return 0;
2450 }
2451
2452 /*
2453 * Ask user for a command, execute it and paste its output back to the
2454 * editor.
2455 */
2456 int
2457 edit_ext_cmd (WEdit *edit)
2458 {
2459 char *exp;
2460 int e;
2461
2462 exp =
2463 input_dialog (_("Paste output of external command"),
2464 _("Enter shell command(s):"),
2465 MC_HISTORY_EDIT_PASTE_EXTCMD, NULL);
2466
2467 if (!exp)
2468 return 1;
2469
2470 e = system (catstrs (exp, " > ", home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2471 g_free (exp);
2472
2473 if (e) {
2474 edit_error_dialog (_("External command"),
2475 get_sys_error (_("Cannot execute command")));
2476 return -1;
2477 }
2478
2479 edit->force |= REDRAW_COMPLETELY;
2480
2481 edit_insert_file (edit, catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2482 return 0;
2483 }
2484
2485 /* if block is 1, a block must be highlighted and the shell command
2486 processes it. If block is 0 the shell command is a straight system
2487 command, that just produces some output which is to be inserted */
2488 void
2489 edit_block_process_cmd (WEdit *edit, const char *shell_cmd, int block)
2490 {
2491 long start_mark, end_mark;
2492 char buf[BUFSIZ];
2493 FILE *script_home = NULL;
2494 FILE *script_src = NULL;
2495 FILE *block_file = NULL;
2496 const char *o = NULL;
2497 const char *h = NULL;
2498 const char *b = NULL;
2499 char *quoted_name = NULL;
2500
2501 o = catstrs (mc_home, shell_cmd, (char *) NULL); /* original source script */
2502 h = catstrs (home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, (char *) NULL); /* home script */
2503 b = catstrs (home_dir, PATH_SEP_STR BLOCK_FILE, (char *) NULL); /* block file */
2504
2505 if (!(script_home = fopen (h, "r"))) {
2506 if (!(script_home = fopen (h, "w"))) {
2507 edit_error_dialog ("", get_sys_error (catstrs
2508 (_
2509 ("Error creating script:"),
2510 h, (char *) NULL)));
2511 return;
2512 }
2513 if (!(script_src = fopen (o, "r"))) {
2514 fclose (script_home);
2515 unlink (h);
2516 edit_error_dialog ("", get_sys_error (catstrs
2517 (_("Error reading script:"),
2518 o, (char *) NULL)));
2519 return;
2520 }
2521 while (fgets (buf, sizeof (buf), script_src))
2522 fputs (buf, script_home);
2523 if (fclose (script_home)) {
2524 edit_error_dialog ("", get_sys_error (catstrs
2525 (_
2526 ("Error closing script:"),
2527 h, (char *) NULL)));
2528 return;
2529 }
2530 chmod (h, 0700);
2531 edit_error_dialog ("", get_sys_error (catstrs
2532 (_("Script created:"), h, (char *) NULL)));
2533 }
2534
2535 open_error_pipe ();
2536
2537 if (block) { /* for marked block run indent formatter */
2538 if (eval_marks (edit, &start_mark, &end_mark)) {
2539 edit_error_dialog (_("Process block"),
2540 _
2541 (" You must first highlight a block of text. "));
2542 return;
2543 }
2544 edit_save_block (edit, b, start_mark, end_mark);
2545 quoted_name = name_quote (edit->filename, 0);
2546 /*
2547 * Run script.
2548 * Initial space is to avoid polluting bash history.
2549 * Arguments:
2550 * $1 - name of the edited file (to check its extension etc).
2551 * $2 - file containing the current block.
2552 * $3 - file where error messages should be put
2553 * (for compatibility with old scripts).
2554 */
2555 system (catstrs (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ", quoted_name,
2556 " ", home_dir, PATH_SEP_STR BLOCK_FILE " /dev/null", (char *) NULL));
2557
2558 } else {
2559 /*
2560 * No block selected, just execute the command for the file.
2561 * Arguments:
2562 * $1 - name of the edited file.
2563 */
2564 system (catstrs (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ",
2565 quoted_name, (char *) NULL));
2566 }
2567 g_free (quoted_name);
2568 close_error_pipe (D_NORMAL, NULL);
2569
2570 edit_refresh_cmd (edit);
2571 edit->force |= REDRAW_COMPLETELY;
2572
2573 /* insert result block */
2574 if (block) {
2575 if (edit_block_delete_cmd (edit))
2576 return;
2577 edit_insert_file (edit, b);
2578 if ((block_file = fopen (b, "w")))
2579 fclose (block_file);
2580 return;
2581 }
2582
2583 return;
2584 }
2585
2586 /* prints at the cursor */
2587 /* returns the number of chars printed */
2588 int edit_print_string (WEdit * e, const char *s)
2589 {
2590 int i = 0;
2591 while (s[i])
2592 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2593 e->force |= REDRAW_COMPLETELY;
2594 edit_update_screen (e);
2595 return i;
2596 }
2597
2598
2599 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2600 {
2601 FILE *p = 0;
2602 char *s;
2603
2604 to = name_quote (to, 0);
2605 subject = name_quote (subject, 0);
2606 cc = name_quote (cc, 0);
2607 s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "" , cc, " ", to, (char *) NULL);
2608 g_free (to);
2609 g_free (subject);
2610 g_free (cc);
2611
2612 if (s) {
2613 p = popen (s, "w");
2614 g_free (s);
2615 }
2616
2617 if (p) {
2618 long i;
2619 for (i = 0; i < edit->last_byte; i++)
2620 fputc (edit_get_byte (edit, i), p);
2621 pclose (p);
2622 }
2623 }
2624
2625 #define MAIL_DLG_HEIGHT 12
2626
2627 void edit_mail_dialog (WEdit * edit)
2628 {
2629 char *tmail_to;
2630 char *tmail_subject;
2631 char *tmail_cc;
2632
2633 static char *mail_cc_last = 0;
2634 static char *mail_subject_last = 0;
2635 static char *mail_to_last = 0;
2636
2637 QuickDialog Quick_input =
2638 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2639 "[Input Line Keys]", 0, 0};
2640
2641 QuickWidget quick_widgets[] =
2642 {
2643 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2644 0, NULL},
2645 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
2646 0, NULL},
2647 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2648 0, "mail-dlg-input"},
2649 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2650 0, 0},
2651 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2652 0, "mail-dlg-input-2"},
2653 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2654 0, 0},
2655 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2656 0, "mail-dlg-input-3"},
2657 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2658 0, 0},
2659 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2660 0, 0},
2661 NULL_QuickWidget};
2662
2663 quick_widgets[2].str_result = &tmail_cc;
2664 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2665 quick_widgets[4].str_result = &tmail_subject;
2666 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2667 quick_widgets[6].str_result = &tmail_to;
2668 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2669
2670 Quick_input.widgets = quick_widgets;
2671
2672 if (quick_dialog (&Quick_input) != B_CANCEL) {
2673 g_free (mail_cc_last);
2674 g_free (mail_subject_last);
2675 g_free (mail_to_last);
2676 mail_cc_last = tmail_cc;
2677 mail_subject_last = tmail_subject;
2678 mail_to_last = tmail_to;
2679 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2680 }
2681 }
2682
2683
2684 /*******************/
2685 /* Word Completion */
2686 /*******************/
2687
2688
2689 /* find first character of current word */
2690 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2691 {
2692 int i, c, last;
2693
2694 /* return if at begin of file */
2695 if (edit->curs1 <= 0)
2696 return 0;
2697
2698 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2699 /* return if not at end or in word */
2700 if (isspace (c) || !(isalnum (c) || c == '_'))
2701 return 0;
2702
2703 /* search start of word to be completed */
2704 for (i = 2;; i++) {
2705 /* return if at begin of file */
2706 if (edit->curs1 - i < 0)
2707 return 0;
2708
2709 last = c;
2710 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2711
2712 if (!(isalnum (c) || c == '_')) {
2713 /* return if word starts with digit */
2714 if (isdigit (last))
2715 return 0;
2716
2717 *word_start = edit->curs1 - (i - 1); /* start found */
2718 *word_len = i - 1;
2719 break;
2720 }
2721 }
2722 /* success */
2723 return 1;
2724 }
2725
2726
2727 /* (re)set search parameters to the given values */
2728 static void edit_set_search_parameters (int rs, int rb, int rr, int rw, int rc)
2729 {
2730 replace_scanf = rs;
2731 replace_backwards = rb;
2732 replace_regexp = rr;
2733 replace_whole = rw;
2734 replace_case = rc;
2735 }
2736
2737
2738 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
2739
2740 /* collect the possible completions */
2741 static int
2742 edit_collect_completions (WEdit *edit, long start, int word_len,
2743 char *match_expr, struct selection *compl,
2744 int *num)
2745 {
2746 int len, max_len = 0, i, skip;
2747 unsigned char *bufpos;
2748
2749 /* collect max MAX_WORD_COMPLETIONS completions */
2750 while (*num < MAX_WORD_COMPLETIONS) {
2751 /* get next match */
2752 start =
2753 edit_find (start - 1, (unsigned char *) match_expr, &len,
2754 edit->last_byte, edit_get_byte, (void *) edit, 0);
2755
2756 /* not matched */
2757 if (start < 0)
2758 break;
2759
2760 /* add matched completion if not yet added */
2761 bufpos =
2762 &edit->
2763 buffers1[start >> S_EDIT_BUF_SIZE][start & M_EDIT_BUF_SIZE];
2764 skip = 0;
2765 for (i = 0; i < *num; i++) {
2766 if (strncmp
2767 ((char *) &compl[i].text[word_len],
2768 (char *) &bufpos[word_len], max (len,
2769 compl[i].len) -
2770 word_len) == 0) {
2771 skip = 1;
2772 break; /* skip it, already added */
2773 }
2774 }
2775 if (skip)
2776 continue;
2777
2778 compl[*num].text = g_malloc (len + 1);
2779 compl[*num].len = len;
2780 for (i = 0; i < len; i++)
2781 compl[*num].text[i] = *(bufpos + i);
2782 compl[*num].text[i] = '\0';
2783 (*num)++;
2784
2785 /* note the maximal length needed for the completion dialog */
2786 if (len > max_len)
2787 max_len = len;
2788 }
2789 return max_len;
2790 }
2791
2792
2793 /* let the user select its preferred completion */
2794 static void
2795 edit_completion_dialog (WEdit * edit, int max_len, int word_len,
2796 struct selection *compl, int num_compl)
2797 {
2798 int start_x, start_y, offset, i;
2799 char *curr = NULL;
2800 Dlg_head *compl_dlg;
2801 WListbox *compl_list;
2802 int compl_dlg_h; /* completion dialog height */
2803 int compl_dlg_w; /* completion dialog width */
2804
2805 /* calculate the dialog metrics */
2806 compl_dlg_h = num_compl + 2;
2807 compl_dlg_w = max_len + 4;
2808 start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2);
2809 start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
2810
2811 if (start_x < 0)
2812 start_x = 0;
2813 if (compl_dlg_w > COLS)
2814 compl_dlg_w = COLS;
2815 if (compl_dlg_h > LINES - 2)
2816 compl_dlg_h = LINES - 2;
2817
2818 offset = start_x + compl_dlg_w - COLS;
2819 if (offset > 0)
2820 start_x -= offset;
2821 offset = start_y + compl_dlg_h - LINES;
2822 if (offset > 0)
2823 start_y -= (offset + 1);
2824
2825 /* create the dialog */
2826 compl_dlg =
2827 create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
2828 dialog_colors, NULL, "[Completion]", NULL,
2829 DLG_COMPACT);
2830
2831 /* create the listbox */
2832 compl_list =
2833 listbox_new (1, 1, compl_dlg_w - 2, compl_dlg_h - 2, NULL);
2834
2835 /* add the dialog */
2836 add_widget (compl_dlg, compl_list);
2837
2838 /* fill the listbox with the completions */
2839 for (i = 0; i < num_compl; i++)
2840 listbox_add_item (compl_list, LISTBOX_APPEND_AT_END, 0,
2841 (char *) compl[i].text, NULL);
2842
2843 /* pop up the dialog */
2844 run_dlg (compl_dlg);
2845
2846 /* apply the choosen completion */
2847 if (compl_dlg->ret_value == B_ENTER) {
2848 listbox_get_current (compl_list, &curr, NULL);
2849 if (curr)
2850 for (curr += word_len; *curr; curr++)
2851 edit_insert (edit, *curr);
2852 }
2853
2854 /* destroy dialog before return */
2855 destroy_dlg (compl_dlg);
2856 }
2857
2858
2859 /*
2860 * Complete current word using regular expression search
2861 * backwards beginning at the current cursor position.
2862 */
2863 void
2864 edit_complete_word_cmd (WEdit *edit)
2865 {
2866 int word_len = 0, i, num_compl = 0, max_len;
2867 long word_start = 0;
2868 unsigned char *bufpos;
2869 char *match_expr;
2870 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2871
2872 /* don't want to disturb another search */
2873 int old_rs = replace_scanf;
2874 int old_rb = replace_backwards;
2875 int old_rr = replace_regexp;
2876 int old_rw = replace_whole;
2877 int old_rc = replace_case;
2878
2879 /* search start of word to be completed */
2880 if (!edit_find_word_start (edit, &word_start, &word_len))
2881 return;
2882
2883 /* prepare match expression */
2884 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2885 [word_start & M_EDIT_BUF_SIZE];
2886 match_expr = g_strdup_printf ("%.*s[a-zA-Z_0-9]+", word_len, bufpos);
2887
2888 /* init search: backward, regexp, whole word, case sensitive */
2889 edit_set_search_parameters (0, 1, 1, 1, 1);
2890
2891 /* collect the possible completions */
2892 /* start search from curs1 down to begin of file */
2893 max_len =
2894 edit_collect_completions (edit, word_start, word_len, match_expr,
2895 (struct selection *) &compl, &num_compl);
2896
2897 if (num_compl > 0) {
2898 /* insert completed word if there is only one match */
2899 if (num_compl == 1) {
2900 for (i = word_len; i < compl[0].len; i++)
2901 edit_insert (edit, *(compl[0].text + i));
2902 }
2903 /* more than one possible completion => ask the user */
2904 else {
2905 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2906 /* !!! pressed again the selection dialog pops up, but that !!! */
2907 /* !!! seems to require a further internal state !!! */
2908 /*beep (); */
2909
2910 /* let the user select the preferred completion */
2911 edit_completion_dialog (edit, max_len, word_len,
2912 (struct selection *) &compl,
2913 num_compl);
2914 }
2915 }
2916
2917 g_free (match_expr);
2918 /* release memory before return */
2919 for (i = 0; i < num_compl; i++)
2920 g_free (compl[i].text);
2921
2922 /* restore search parameters */
2923 edit_set_search_parameters (old_rs, old_rb, old_rr, old_rw, old_rc);
2924 }
2925
2926 void
2927 edit_select_codepage_cmd (WEdit *edit)
2928 {
2929 #ifdef HAVE_CHARSET
2930 do_select_codepage ();
2931 edit->force = REDRAW_COMPLETELY;
2932 edit_refresh_cmd (edit);
2933 #endif
2934 }
2935
2936 void
2937 edit_insert_literal_cmd (WEdit *edit)
2938 {
2939 int char_for_insertion =
2940 edit_raw_key_query (_(" Insert Literal "),
2941 _(" Press any key: "), 0);
2942 edit_execute_key_command (edit, -1,
2943 ascii_alpha_to_cntrl (char_for_insertion));
2944 }
2945
2946 void
2947 edit_execute_macro_cmd (WEdit *edit)
2948 {
2949 int command =
2950 CK_Macro (edit_raw_key_query
2951 (_(" Execute Macro "), _(" Press macro hotkey: "),
2952 1));
2953 if (command == CK_Macro (0))
2954 command = CK_Insert_Char;
2955
2956 edit_execute_key_command (edit, command, -1);
2957 }
2958
2959 void
2960 edit_begin_end_macro_cmd(WEdit *edit)
2961 {
2962 int command;
2963
2964 /* edit is a pointer to the widget */
2965 if (edit) {
2966 command =
2967 edit->macro_i <
2968 0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
2969 edit_execute_key_command (edit, command, -1);
2970 }
2971 }
MC