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Ticket #1414: small refactoring before major modifications.
[midnight-commander.git] / edit / editcmd.c
blob7387b933c699b55df970b6f8e4ff2d1702f02309
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 /** \file
26 * \brief Source: editor high level editing commands
27 * \author Paul Sheer
28 * \date 1996, 1997
29 */
30
31 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
32
33 #include <config.h>
34
35 #include <assert.h>
36 #include <ctype.h>
37
38 #include <stdio.h>
39 #include <stdarg.h>
40 #include <sys/types.h>
41 #include <unistd.h>
42 #include <string.h>
43 #include <errno.h>
44 #include <sys/stat.h>
45 #include <stdlib.h>
46 #include <fcntl.h>
47
48 #include "../src/global.h"
49
50 #include "../src/tty/tty.h" /* COLS */
51 #include "../src/tty/key.h" /* XCTRL */
52
53 #include "../src/history.h"
54 #include "../src/widget.h" /* listbox_new() */
55 #include "../src/layout.h" /* clr_scr() */
56 #include "../src/main.h" /* mc_home source_codepage */
57 #include "../src/help.h" /* interactive_display() */
58 #include "../src/wtools.h" /* message() */
59 #include "../src/charsets.h"
60 #include "../src/selcodepage.h"
61 #include "../src/strutil.h" /* utf string functions */
62
63 #include "../edit/edit-impl.h"
64 #include "../edit/edit.h"
65 #include "../edit/editlock.h"
66 #include "../edit/editcmddef.h"
67 #include "../edit/edit-widget.h"
68 #include "../edit/editcmd_dialogs.h"
69 #include "../edit/etags.h"
70
71 /* globals: */
72
73 /* search and replace: */
74 static int search_create_bookmark = 0;
75 /* static int search_in_all_charsets = 0; */
76
77 /* queries on a save */
78 int edit_confirm_save = 1;
79
80 static int edit_save_cmd (WEdit *edit);
81 static unsigned char *edit_get_block (WEdit *edit, long start,
82 long finish, int *l);
83
84 static void
85 edit_search_cmd_search_create_bookmark(WEdit * edit)
86 {
87 int found = 0, books = 0;
88 int l = 0, l_last = -1;
89 long q = 0;
90 gsize len = 0;
91
92 for (;;) {
93 if (!mc_search_run(edit->search, (void *) edit, q, edit->last_byte, &len))
94 break;
95
96 found++;
97 l += edit_count_lines (edit, q, edit->search->normal_offset);
98 if (l != l_last) {
99 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
100 books++;
101 }
102 l_last = l;
103 q = edit->search->normal_offset + 1;
104 }
105
106 if (found) {
107 /* in response to number of bookmarks added because of string being found %d times */
108 message (D_NORMAL, _("Search"), _(" %d items found, %d bookmarks added "), found, books);
109 } else {
110 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
111 }
112 }
113
114 static int
115 edit_search_cmd_callback(const void *user_data, gsize char_offset)
116 {
117 return edit_get_byte ((WEdit * )user_data, (long) char_offset);
118 }
119
120 void edit_help_cmd (WEdit * edit)
121 {
122 interactive_display (NULL, "[Internal File Editor]");
123 edit->force |= REDRAW_COMPLETELY;
124 }
125
126 void edit_refresh_cmd (WEdit * edit)
127 {
128 #ifdef HAVE_SLANG
129 {
130 int color;
131 edit_get_syntax_color (edit, -1, &color);
132 }
133 tty_touch_screen ();
134 tty_refresh ();
135 #else
136 clr_scr();
137 repaint_screen ();
138 #endif /* !HAVE_SLANG */
139 tty_keypad (TRUE);
140 }
141
142 /* If 0 (quick save) then a) create/truncate <filename> file,
143 b) save to <filename>;
144 if 1 (safe save) then a) save to <tempnam>,
145 b) rename <tempnam> to <filename>;
146 if 2 (do backups) then a) save to <tempnam>,
147 b) rename <filename> to <filename.backup_ext>,
148 c) rename <tempnam> to <filename>. */
149
150 /* returns 0 on error, -1 on abort */
151 static int
152 edit_save_file (WEdit *edit, const char *filename)
153 {
154 char *p;
155 gchar *tmp;
156 long filelen = 0;
157 char *savename = 0;
158 gchar *real_filename;
159 int this_save_mode, fd = -1;
160
161 if (!filename)
162 return 0;
163 if (!*filename)
164 return 0;
165
166 if (*filename != PATH_SEP && edit->dir) {
167 real_filename = concat_dir_and_file (edit->dir, filename);
168 } else {
169 real_filename = g_strdup(filename);
170 }
171
172 this_save_mode = option_save_mode;
173 if (this_save_mode != EDIT_QUICK_SAVE) {
174 if (!vfs_file_is_local (real_filename) ||
175 (fd = mc_open (real_filename, O_RDONLY | O_BINARY)) == -1) {
176 /*
177 * The file does not exists yet, so no safe save or
178 * backup are necessary.
179 */
180 this_save_mode = EDIT_QUICK_SAVE;
181 }
182 if (fd != -1)
183 mc_close (fd);
184 }
185
186 if (this_save_mode == EDIT_QUICK_SAVE &&
187 !edit->skip_detach_prompt) {
188 int rv;
189 struct stat sb;
190
191 rv = mc_stat (real_filename, &sb);
192 if (rv == 0 && sb.st_nlink > 1) {
193 rv = edit_query_dialog3 (_("Warning"),
194 _(" File has hard-links. Detach before saving? "),
195 _("&Yes"), _("&No"), _("&Cancel"));
196 switch (rv) {
197 case 0:
198 this_save_mode = EDIT_SAFE_SAVE;
199 /* fallthrough */
200 case 1:
201 edit->skip_detach_prompt = 1;
202 break;
203 default:
204 g_free(real_filename);
205 return -1;
206 }
207 }
208
209 /* Prevent overwriting changes from other editor sessions. */
210 if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime) {
211
212 /* The default action is "Cancel". */
213 query_set_sel(1);
214
215 rv = edit_query_dialog2 (
216 _("Warning"),
217 _("The file has been modified in the meantime. Save anyway?"),
218 _("&Yes"),
219 _("&Cancel"));
220 if (rv != 0){
221 g_free(real_filename);
222 return -1;
223 }
224 }
225 }
226
227 if (this_save_mode != EDIT_QUICK_SAVE) {
228 char *savedir, *saveprefix;
229 const char *slashpos;
230 slashpos = strrchr (real_filename, PATH_SEP);
231 if (slashpos) {
232 savedir = g_strdup (real_filename);
233 savedir[slashpos - real_filename + 1] = '\0';
234 } else
235 savedir = g_strdup (".");
236 saveprefix = concat_dir_and_file (savedir, "cooledit");
237 g_free (savedir);
238 fd = mc_mkstemps (&savename, saveprefix, NULL);
239 g_free (saveprefix);
240 if (!savename){
241 g_free(real_filename);
242 return 0;
243 }
244 /* FIXME:
245 * Close for now because mc_mkstemps use pure open system call
246 * to create temporary file and it needs to be reopened by
247 * VFS-aware mc_open().
248 */
249 close (fd);
250 } else
251 savename = g_strdup (real_filename);
252
253 mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
254 mc_chmod (savename, edit->stat1.st_mode);
255
256 if ((fd =
257 mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
258 edit->stat1.st_mode)) == -1)
259 goto error_save;
260
261 /* pipe save */
262 if ((p = edit_get_write_filter (savename, real_filename))) {
263 FILE *file;
264
265 mc_close (fd);
266 file = (FILE *) popen (p, "w");
267
268 if (file) {
269 filelen = edit_write_stream (edit, file);
270 #if 1
271 pclose (file);
272 #else
273 if (pclose (file) != 0) {
274 tmp = g_strconcat (_(" Error writing to pipe: "),
275 p, " ", (char *) NULL);
276 edit_error_dialog (_("Error"), tmp);
277 g_free(tmp);
278 g_free (p);
279 goto error_save;
280 }
281 #endif
282 } else {
283 tmp = g_strconcat (_(" Cannot open pipe for writing: "),
284 p, " ", (char *) NULL);
285
286 edit_error_dialog (_("Error"),
287 get_sys_error (tmp));
288 g_free (p);
289 g_free(tmp);
290 goto error_save;
291 }
292 g_free (p);
293 } else {
294 long buf;
295 buf = 0;
296 filelen = edit->last_byte;
297 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
298 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE)
299 != EDIT_BUF_SIZE) {
300 mc_close (fd);
301 goto error_save;
302 }
303 buf++;
304 }
305 if (mc_write
306 (fd, (char *) edit->buffers1[buf],
307 edit->curs1 & M_EDIT_BUF_SIZE) !=
308 (edit->curs1 & M_EDIT_BUF_SIZE)) {
309 filelen = -1;
310 } else if (edit->curs2) {
311 edit->curs2--;
312 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
313 if (mc_write
314 (fd,
315 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
316 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
317 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) !=
318 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
319 filelen = -1;
320 } else {
321 while (--buf >= 0) {
322 if (mc_write
323 (fd, (char *) edit->buffers2[buf],
324 EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
325 filelen = -1;
326 break;
327 }
328 }
329 }
330 edit->curs2++;
331 }
332 if (mc_close (fd))
333 goto error_save;
334
335 /* Update the file information, especially the mtime. */
336 if (mc_stat (savename, &edit->stat1) == -1)
337 goto error_save;
338 }
339
340 if (filelen != edit->last_byte)
341 goto error_save;
342
343 if (this_save_mode == EDIT_DO_BACKUP) {
344 assert (option_backup_ext != NULL);
345 tmp = g_strconcat (real_filename, option_backup_ext,(char *) NULL);
346 if (mc_rename (real_filename, tmp) == -1){
347 g_free(tmp);
348 goto error_save;
349 }
350 }
351
352 if (this_save_mode != EDIT_QUICK_SAVE)
353 if (mc_rename (savename, real_filename) == -1)
354 goto error_save;
355 g_free (savename);
356 g_free(real_filename);
357 return 1;
358 error_save:
359 /* FIXME: Is this safe ?
360 * if (this_save_mode != EDIT_QUICK_SAVE)
361 * mc_unlink (savename);
362 */
363 g_free(real_filename);
364 g_free (savename);
365 return 0;
366 }
367
368 void menu_save_mode_cmd (void)
369 {
370 #define DLG_X 38
371 #define DLG_Y 10
372 static char *str_result;
373 static int save_mode_new;
374 static const char *str[] =
375 {
376 N_("Quick save "),
377 N_("Safe save "),
378 N_("Do backups -->")};
379
380 static QuickWidget widgets[] =
381 {
382 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
383 B_CANCEL, 0, 0, NULL, NULL, NULL},
384 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&OK"), 0,
385 B_ENTER, 0, 0, NULL, NULL, NULL},
386 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
387 0, 0, &str_result, "edit-backup-ext", NULL, NULL},
388 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
389 0, 0, 0, NULL, NULL, NULL},
390 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
391 0, &save_mode_new, (char **) str, NULL, NULL, NULL},
392 NULL_QuickWidget};
393 static QuickDialog dialog =
394 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
395 widgets, 0};
396 static int i18n_flag = 0;
397
398 if (!i18n_flag) {
399 size_t i;
400 size_t maxlen = 0;
401 int dlg_x;
402 size_t l1;
403
404 /* OK/Cancel buttons */
405 l1 = str_term_width1 (_(widgets[0].text)) + str_term_width1 (_(widgets[1].text)) + 5;
406 maxlen = max (maxlen, l1);
407
408 for (i = 0; i < 3; i++ ) {
409 str[i] = _(str[i]);
410 maxlen = max (maxlen, (size_t) str_term_width1 (str[i]) + 7);
411 }
412 i18n_flag = 1;
413
414 dlg_x = maxlen + str_term_width1 (_(widgets[3].text)) + 5 + 1;
415 widgets[2].hotkey_pos = str_term_width1 (_(widgets[3].text)); /* input field length */
416 dlg_x = min (COLS, dlg_x);
417 dialog.xlen = dlg_x;
418
419 i = (dlg_x - l1)/3;
420 widgets[1].relative_x = i;
421 widgets[0].relative_x = i + str_term_width1 (_(widgets[1].text)) + i + 4;
422
423 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
424
425 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
426 widgets[i].x_divisions = dlg_x;
427 }
428
429 assert (option_backup_ext != NULL);
430 widgets[2].text = option_backup_ext;
431 widgets[4].value = option_save_mode;
432 if (quick_dialog (&dialog) != B_ENTER)
433 return;
434 option_save_mode = save_mode_new;
435
436 g_free (option_backup_ext);
437 option_backup_ext = str_result;
438 str_result = NULL;
439 }
440
441 void
442 edit_set_filename (WEdit *edit, const char *f)
443 {
444 g_free (edit->filename);
445 if (!f)
446 f = "";
447 edit->filename = g_strdup (f);
448 if (edit->dir == NULL && *f != PATH_SEP)
449 #ifdef USE_VFS
450 edit->dir = g_strdup (vfs_get_current_dir ());
451 #else
452 edit->dir = g_get_current_dir ();
453 #endif
454 }
455
456 /* Here we want to warn the users of overwriting an existing file,
457 but only if they have made a change to the filename */
458 /* returns 1 on success */
459 int
460 edit_save_as_cmd (WEdit *edit)
461 {
462 /* This heads the 'Save As' dialog box */
463 char *exp;
464 int save_lock = 0;
465 int different_filename = 0;
466
467 exp = input_expand_dialog (
468 _(" Save As "), _(" Enter file name: "),MC_HISTORY_EDIT_SAVE_AS, edit->filename);
469 edit_push_action (edit, KEY_PRESS + edit->start_display);
470
471 if (exp) {
472 if (!*exp) {
473 g_free (exp);
474 edit->force |= REDRAW_COMPLETELY;
475 return 0;
476 } else {
477 int rv;
478 if (strcmp (edit->filename, exp)) {
479 int file;
480 different_filename = 1;
481 if ((file = mc_open (exp, O_RDONLY | O_BINARY)) != -1) {
482 /* the file exists */
483 mc_close (file);
484 /* Overwrite the current file or cancel the operation */
485 if (edit_query_dialog2
486 (_("Warning"),
487 _(" A file already exists with this name. "),
488 _("&Overwrite"), _("&Cancel"))) {
489 edit->force |= REDRAW_COMPLETELY;
490 g_free (exp);
491 return 0;
492 }
493 }
494 save_lock = edit_lock_file (exp);
495 } else {
496 /* filenames equal, check if already locked */
497 if (!edit->locked && !edit->delete_file)
498 save_lock = edit_lock_file (exp);
499 }
500
501 if (different_filename)
502 {
503 /*
504 * Allow user to write into saved (under another name) file
505 * even if original file had r/o user permissions.
506 */
507 edit->stat1.st_mode |= S_IWRITE;
508 }
509
510 rv = edit_save_file (edit, exp);
511 switch (rv) {
512 case 1:
513 /* Succesful, so unlock both files */
514 if (different_filename) {
515 if (save_lock)
516 edit_unlock_file (exp);
517 if (edit->locked)
518 edit->locked = edit_unlock_file (edit->filename);
519 } else {
520 if (edit->locked || save_lock)
521 edit->locked = edit_unlock_file (edit->filename);
522 }
523
524 edit_set_filename (edit, exp);
525 g_free (exp);
526 edit->modified = 0;
527 edit->delete_file = 0;
528 if (different_filename)
529 edit_load_syntax (edit, NULL, option_syntax_type);
530 edit->force |= REDRAW_COMPLETELY;
531 return 1;
532 default:
533 edit_error_dialog (_(" Save As "),
534 get_sys_error (_
535 (" Cannot save file. ")));
536 /* fallthrough */
537 case -1:
538 /* Failed, so maintain modify (not save) lock */
539 if (save_lock)
540 edit_unlock_file (exp);
541 g_free (exp);
542 edit->force |= REDRAW_COMPLETELY;
543 return 0;
544 }
545 }
546 }
547 edit->force |= REDRAW_COMPLETELY;
548 return 0;
549 }
550
551 /* {{{ Macro stuff starts here */
552
553 /* creates a macro file if it doesn't exist */
554 static FILE *edit_open_macro_file (const char *r)
555 {
556 gchar *filename;
557 FILE *fd;
558 int file;
559 filename = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
560 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1){
561 g_free(filename);
562 return 0;
563 }
564 close (file);
565 fd = fopen (filename, r);
566 g_free(filename);
567 return fd;
568 }
569
570 #define MAX_MACROS 1024
571 static int saved_macro[MAX_MACROS + 1];
572 static int saved_macros_loaded = 0;
573
574 /*
575 This is just to stop the macro file be loaded over and over for keys
576 that aren't defined to anything. On slow systems this could be annoying.
577 */
578 static int
579 macro_exists (int k)
580 {
581 int i;
582 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
583 if (saved_macro[i] == k)
584 return i;
585 return -1;
586 }
587
588 /* returns 1 on error */
589 static int
590 edit_delete_macro (WEdit * edit, int k)
591 {
592 gchar *tmp, *tmp2;
593 struct macro macro[MAX_MACRO_LENGTH];
594 FILE *f, *g;
595 int s, i, n, j = 0;
596
597 (void) edit;
598
599 if (saved_macros_loaded)
600 if ((j = macro_exists (k)) < 0)
601 return 0;
602 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
603 g = fopen (tmp , "w");
604 g_free(tmp);
605 if (!g) {
606 edit_error_dialog (_(" Delete macro "),
607 get_sys_error (_(" Cannot open temp file ")));
608 return 1;
609 }
610 f = edit_open_macro_file ("r");
611 if (!f) {
612 edit_error_dialog (_(" Delete macro "),
613 get_sys_error (_(" Cannot open macro file ")));
614 fclose (g);
615 return 1;
616 }
617 for (;;) {
618 n = fscanf (f, ("key '%d 0': "), &s);
619 if (!n || n == EOF)
620 break;
621 n = 0;
622 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
623 n++;
624 fscanf (f, ";\n");
625 if (s != k) {
626 fprintf (g, ("key '%d 0': "), s);
627 for (i = 0; i < n; i++)
628 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
629 fprintf (g, ";\n");
630 }
631 }
632 fclose (f);
633 fclose (g);
634 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
635 tmp2 = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
636 if (rename ( tmp, tmp2) == -1) {
637 edit_error_dialog (_(" Delete macro "),
638 get_sys_error (_(" Cannot overwrite macro file ")));
639 g_free(tmp);
640 g_free(tmp2);
641 return 1;
642 }
643 g_free(tmp);
644 g_free(tmp2);
645
646 if (saved_macros_loaded)
647 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
648 return 0;
649 }
650
651 /* returns 0 on error */
652 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
653 {
654 FILE *f;
655 int s, i;
656
657 edit_push_action (edit, KEY_PRESS + edit->start_display);
658 s = editcmd_dialog_raw_key_query (_(" Save macro "),
659 _(" Press the macro's new hotkey: "), 1);
660 edit->force |= REDRAW_COMPLETELY;
661 if (s) {
662 if (edit_delete_macro (edit, s))
663 return 0;
664 f = edit_open_macro_file ("a+");
665 if (f) {
666 fprintf (f, ("key '%d 0': "), s);
667 for (i = 0; i < n; i++)
668 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
669 fprintf (f, ";\n");
670 fclose (f);
671 if (saved_macros_loaded) {
672 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
673 saved_macro[i] = s;
674 }
675 return 1;
676 } else
677 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
678 }
679 return 0;
680 }
681
682 void edit_delete_macro_cmd (WEdit * edit)
683 {
684 int command;
685
686 command = editcmd_dialog_raw_key_query (_ (" Delete macro "),
687 _ (" Press macro hotkey: "), 1);
688
689 if (!command)
690 return;
691
692 edit_delete_macro (edit, command);
693 }
694
695 /* return 0 on error */
696 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
697 {
698 FILE *f;
699 int s, i = 0, found = 0;
700
701 (void) edit;
702
703 if (saved_macros_loaded)
704 if (macro_exists (k) < 0)
705 return 0;
706
707 if ((f = edit_open_macro_file ("r"))) {
708 struct macro dummy;
709 do {
710 int u;
711 u = fscanf (f, ("key '%d 0': "), &s);
712 if (!u || u == EOF)
713 break;
714 if (!saved_macros_loaded)
715 saved_macro[i++] = s;
716 if (!found) {
717 *n = 0;
718 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
719 (*n)++;
720 } else {
721 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
722 }
723 fscanf (f, ";\n");
724 if (s == k)
725 found = 1;
726 } while (!found || !saved_macros_loaded);
727 if (!saved_macros_loaded) {
728 saved_macro[i] = 0;
729 saved_macros_loaded = 1;
730 }
731 fclose (f);
732 return found;
733 } else
734 edit_error_dialog (_(" Load macro "),
735 get_sys_error (_(" Cannot open macro file ")));
736 return 0;
737 }
738
739 /* }}} Macro stuff starts here */
740
741 /* returns 1 on success */
742 int edit_save_confirm_cmd (WEdit * edit)
743 {
744 gchar *f = NULL;
745
746 if (edit_confirm_save) {
747 f = g_strconcat (_(" Confirm save file? : "), edit->filename, " ", NULL);
748 if (edit_query_dialog2 (_(" Save file "), f, _("&Save"), _("&Cancel"))){
749 g_free(f);
750 return 0;
751 }
752 g_free(f);
753 }
754 return edit_save_cmd (edit);
755 }
756
757
758 /* returns 1 on success */
759 static int
760 edit_save_cmd (WEdit *edit)
761 {
762 int res, save_lock = 0;
763
764 if (!edit->locked && !edit->delete_file)
765 save_lock = edit_lock_file (edit->filename);
766 res = edit_save_file (edit, edit->filename);
767
768 /* Maintain modify (not save) lock on failure */
769 if ((res > 0 && edit->locked) || save_lock)
770 edit->locked = edit_unlock_file (edit->filename);
771
772 /* On failure try 'save as', it does locking on its own */
773 if (!res)
774 return edit_save_as_cmd (edit);
775 edit->force |= REDRAW_COMPLETELY;
776 if (res > 0) {
777 edit->delete_file = 0;
778 edit->modified = 0;
779 }
780
781 return 1;
782 }
783
784
785 /* returns 1 on success */
786 int edit_new_cmd (WEdit * edit)
787 {
788 if (edit->modified) {
789 if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("C&ontinue"), _ ("&Cancel"))) {
790 edit->force |= REDRAW_COMPLETELY;
791 return 0;
792 }
793 }
794 edit->force |= REDRAW_COMPLETELY;
795
796 return edit_renew (edit); /* if this gives an error, something has really screwed up */
797 }
798
799 /* returns 1 on error */
800 static int
801 edit_load_file_from_filename (WEdit * edit, char *exp)
802 {
803 int prev_locked = edit->locked;
804 char *prev_filename = g_strdup (edit->filename);
805
806 if (!edit_reload (edit, exp)) {
807 g_free (prev_filename);
808 return 1;
809 }
810
811 if (prev_locked)
812 edit_unlock_file (prev_filename);
813 g_free (prev_filename);
814 return 0;
815 }
816
817 static void
818 edit_load_syntax_file (WEdit * edit)
819 {
820 char *extdir;
821 int dir = 0;
822
823 if (geteuid () == 0) {
824 dir = query_dialog (_("Syntax file edit"),
825 _(" Which syntax file you want to edit? "), D_NORMAL, 2,
826 _("&User"), _("&System Wide"));
827 }
828
829 extdir = concat_dir_and_file (mc_home, "syntax" PATH_SEP_STR "Syntax");
830 if (!exist_file(extdir)) {
831 g_free (extdir);
832 extdir = concat_dir_and_file (mc_home_alt, "syntax" PATH_SEP_STR "Syntax");
833 }
834
835 if (dir == 0) {
836 char *buffer;
837
838 buffer = concat_dir_and_file (home_dir, EDIT_SYNTAX_FILE);
839 check_for_default (extdir, buffer);
840 edit_load_file_from_filename (edit, buffer);
841 g_free (buffer);
842 } else if (dir == 1)
843 edit_load_file_from_filename (edit, extdir);
844
845 g_free (extdir);
846 }
847
848 static void
849 edit_load_menu_file (WEdit * edit)
850 {
851 char *buffer;
852 char *menufile;
853 int dir = 0;
854
855 dir = query_dialog (
856 _(" Menu edit "),
857 _(" Which menu file do you want to edit? "), D_NORMAL,
858 geteuid() ? 2 : 3, _("&Local"), _("&User"), _("&System Wide")
859 );
860
861 menufile = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
862
863 if (!exist_file (menufile)) {
864 g_free (menufile);
865 menufile = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
866 }
867
868 switch (dir) {
869 case 0:
870 buffer = g_strdup (EDIT_LOCAL_MENU);
871 check_for_default (menufile, buffer);
872 chmod (buffer, 0600);
873 break;
874
875 case 1:
876 buffer = concat_dir_and_file (home_dir, EDIT_HOME_MENU);
877 check_for_default (menufile, buffer);
878 break;
879
880 case 2:
881 buffer = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
882 if (!exist_file (buffer)) {
883 g_free (buffer);
884 buffer = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
885 }
886 break;
887
888 default:
889 g_free (menufile);
890 return;
891 }
892
893 edit_load_file_from_filename (edit, buffer);
894
895 g_free (buffer);
896 g_free (menufile);
897 }
898
899 int
900 edit_load_cmd (WEdit *edit, edit_current_file_t what)
901 {
902 char *exp;
903
904 if (edit->modified
905 && (edit_query_dialog2
906 (_("Warning"),
907 _(" Current text was modified without a file save. \n"
908 " Continue discards these changes. "),
909 _("C&ontinue"), _("&Cancel")) == 1)) {
910 edit->force |= REDRAW_COMPLETELY;
911 return 0;
912 }
913
914 switch (what) {
915 case EDIT_FILE_COMMON:
916 exp = input_expand_dialog (_(" Load "), _(" Enter file name: "),
917 MC_HISTORY_EDIT_LOAD, edit->filename);
918
919 if (exp) {
920 if (*exp)
921 edit_load_file_from_filename (edit, exp);
922 g_free (exp);
923 }
924 break;
925
926 case EDIT_FILE_SYNTAX:
927 edit_load_syntax_file (edit);
928 break;
929
930 case EDIT_FILE_MENU:
931 edit_load_menu_file (edit);
932 break;
933
934 default:
935 break;
936 }
937
938 edit->force |= REDRAW_COMPLETELY;
939 return 0;
940 }
941
942 /*
943 if mark2 is -1 then marking is from mark1 to the cursor.
944 Otherwise its between the markers. This handles this.
945 Returns 1 if no text is marked.
946 */
947 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
948 {
949 if (edit->mark1 != edit->mark2) {
950 if (edit->mark2 >= 0) {
951 *start_mark = min (edit->mark1, edit->mark2);
952 *end_mark = max (edit->mark1, edit->mark2);
953 } else {
954 *start_mark = min (edit->mark1, edit->curs1);
955 *end_mark = max (edit->mark1, edit->curs1);
956 edit->column2 = edit->curs_col;
957 }
958 return 0;
959 } else {
960 *start_mark = *end_mark = 0;
961 edit->column2 = edit->column1 = 0;
962 return 1;
963 }
964 }
965
966 #define space_width 1
967
968 void
969 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
970 {
971 long cursor;
972 int i, col;
973 cursor = edit->curs1;
974 col = edit_get_col (edit);
975 for (i = 0; i < size; i++) {
976 if (data[i] == '\n') { /* fill in and move to next line */
977 int l;
978 long p;
979 if (edit_get_byte (edit, edit->curs1) != '\n') {
980 l = width - (edit_get_col (edit) - col);
981 while (l > 0) {
982 edit_insert (edit, ' ');
983 l -= space_width;
984 }
985 }
986 for (p = edit->curs1;; p++) {
987 if (p == edit->last_byte) {
988 edit_cursor_move (edit, edit->last_byte - edit->curs1);
989 edit_insert_ahead (edit, '\n');
990 p++;
991 break;
992 }
993 if (edit_get_byte (edit, p) == '\n') {
994 p++;
995 break;
996 }
997 }
998 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
999 l = col - edit_get_col (edit);
1000 while (l >= space_width) {
1001 edit_insert (edit, ' ');
1002 l -= space_width;
1003 }
1004 continue;
1005 }
1006 edit_insert (edit, data[i]);
1007 }
1008 edit_cursor_move (edit, cursor - edit->curs1);
1009 }
1010
1011 #define TEMP_BUF_LEN 1024
1012
1013 int
1014 edit_insert_column_of_text_from_file (WEdit * edit, int file)
1015 {
1016 long cursor;
1017 int i, col;
1018 int blocklen = -1, width;
1019 unsigned char *data;
1020 cursor = edit->curs1;
1021 col = edit_get_col (edit);
1022 data = g_malloc (TEMP_BUF_LEN);
1023 while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0) {
1024 for (width = 0; width < blocklen; width++) {
1025 if (data[width] == '\n')
1026 break;
1027 }
1028 for (i = 0; i < blocklen; i++) {
1029 if (data[i] == '\n') { /* fill in and move to next line */
1030 int l;
1031 long p;
1032 if (edit_get_byte (edit, edit->curs1) != '\n') {
1033 l = width - (edit_get_col (edit) - col);
1034 while (l > 0) {
1035 edit_insert (edit, ' ');
1036 l -= space_width;
1037 }
1038 }
1039 for (p = edit->curs1;; p++) {
1040 if (p == edit->last_byte) {
1041 edit_cursor_move (edit, edit->last_byte - edit->curs1);
1042 edit_insert_ahead (edit, '\n');
1043 p++;
1044 break;
1045 }
1046 if (edit_get_byte (edit, p) == '\n') {
1047 p++;
1048 break;
1049 }
1050 }
1051 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
1052 l = col - edit_get_col (edit);
1053 while (l >= space_width) {
1054 edit_insert (edit, ' ');
1055 l -= space_width;
1056 }
1057 continue;
1058 }
1059 edit_insert (edit, data[i]);
1060 }
1061 }
1062 edit_cursor_move (edit, cursor - edit->curs1);
1063 g_free(data);
1064 edit->force |= REDRAW_PAGE;
1065 return blocklen;
1066 }
1067
1068 void
1069 edit_block_copy_cmd (WEdit *edit)
1070 {
1071 long start_mark, end_mark, current = edit->curs1;
1072 int size;
1073 unsigned char *copy_buf;
1074
1075 edit_update_curs_col (edit);
1076 if (eval_marks (edit, &start_mark, &end_mark))
1077 return;
1078
1079 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1080
1081 /* all that gets pushed are deletes hence little space is used on the stack */
1082
1083 edit_push_markers (edit);
1084
1085 if (column_highlighting) {
1086 edit_insert_column_of_text (edit, copy_buf, size,
1087 abs (edit->column2 - edit->column1));
1088 } else {
1089 while (size--)
1090 edit_insert_ahead (edit, copy_buf[size]);
1091 }
1092
1093 g_free (copy_buf);
1094 edit_scroll_screen_over_cursor (edit);
1095
1096 if (column_highlighting) {
1097 edit_set_markers (edit, 0, 0, 0, 0);
1098 edit_push_action (edit, COLUMN_ON);
1099 column_highlighting = 0;
1100 } else if (start_mark < current && end_mark > current)
1101 edit_set_markers (edit, start_mark,
1102 end_mark + end_mark - start_mark, 0, 0);
1103
1104 edit->force |= REDRAW_PAGE;
1105 }
1106
1107
1108 void
1109 edit_block_move_cmd (WEdit *edit)
1110 {
1111 long count;
1112 long current;
1113 unsigned char *copy_buf;
1114 long start_mark, end_mark;
1115 int deleted = 0;
1116 int x = 0;
1117
1118 if (eval_marks (edit, &start_mark, &end_mark))
1119 return;
1120 if (column_highlighting) {
1121 edit_update_curs_col (edit);
1122 x = edit->curs_col;
1123 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1124 if ((x > edit->column1 && x < edit->column2)
1125 || (x > edit->column2 && x < edit->column1))
1126 return;
1127 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1128 return;
1129
1130 if ((end_mark - start_mark) > option_max_undo / 2)
1131 if (edit_query_dialog2
1132 (_("Warning"),
1133 _
1134 (" Block is large, you may not be able to undo this action. "),
1135 _("C&ontinue"), _("&Cancel")))
1136 return;
1137
1138 edit_push_markers (edit);
1139 current = edit->curs1;
1140 if (column_highlighting) {
1141 int size, c1, c2, line;
1142 line = edit->curs_line;
1143 if (edit->mark2 < 0)
1144 edit_mark_cmd (edit, 0);
1145 c1 = min (edit->column1, edit->column2);
1146 c2 = max (edit->column1, edit->column2);
1147 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1148 if (x < c2) {
1149 edit_block_delete_cmd (edit);
1150 deleted = 1;
1151 }
1152 edit_move_to_line (edit, line);
1153 edit_cursor_move (edit,
1154 edit_move_forward3 (edit,
1155 edit_bol (edit, edit->curs1),
1156 x, 0) - edit->curs1);
1157 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
1158 if (!deleted) {
1159 line = edit->curs_line;
1160 edit_update_curs_col (edit);
1161 x = edit->curs_col;
1162 edit_block_delete_cmd (edit);
1163 edit_move_to_line (edit, line);
1164 edit_cursor_move (edit,
1165 edit_move_forward3 (edit,
1166 edit_bol (edit,
1167 edit->curs1),
1168 x, 0) - edit->curs1);
1169 }
1170 edit_set_markers (edit, 0, 0, 0, 0);
1171 edit_push_action (edit, COLUMN_ON);
1172 column_highlighting = 0;
1173 } else {
1174 copy_buf = g_malloc (end_mark - start_mark);
1175 edit_cursor_move (edit, start_mark - edit->curs1);
1176 edit_scroll_screen_over_cursor (edit);
1177 count = start_mark;
1178 while (count < end_mark) {
1179 copy_buf[end_mark - count - 1] = edit_delete (edit, 1);
1180 count++;
1181 }
1182 edit_scroll_screen_over_cursor (edit);
1183 edit_cursor_move (edit,
1184 current - edit->curs1 -
1185 (((current - edit->curs1) >
1186 0) ? end_mark - start_mark : 0));
1187 edit_scroll_screen_over_cursor (edit);
1188 while (count-- > start_mark)
1189 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
1190 edit_set_markers (edit, edit->curs1,
1191 edit->curs1 + end_mark - start_mark, 0, 0);
1192 }
1193 edit_scroll_screen_over_cursor (edit);
1194 g_free (copy_buf);
1195 edit->force |= REDRAW_PAGE;
1196 }
1197
1198 static void
1199 edit_delete_column_of_text (WEdit * edit)
1200 {
1201 long p, q, r, m1, m2;
1202 int b, c, d;
1203 int n;
1204
1205 eval_marks (edit, &m1, &m2);
1206 n = edit_move_forward (edit, m1, 0, m2) + 1;
1207 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
1208 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
1209
1210 b = min (c, d);
1211 c = max (c, d);
1212
1213 while (n--) {
1214 r = edit_bol (edit, edit->curs1);
1215 p = edit_move_forward3 (edit, r, b, 0);
1216 q = edit_move_forward3 (edit, r, c, 0);
1217 if (p < m1)
1218 p = m1;
1219 if (q > m2)
1220 q = m2;
1221 edit_cursor_move (edit, p - edit->curs1);
1222 while (q > p) { /* delete line between margins */
1223 if (edit_get_byte (edit, edit->curs1) != '\n')
1224 edit_delete (edit, 1);
1225 q--;
1226 }
1227 if (n) /* move to next line except on the last delete */
1228 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
1229 }
1230 }
1231
1232 /* if success return 0 */
1233 static int
1234 edit_block_delete (WEdit *edit)
1235 {
1236 long count;
1237 long start_mark, end_mark;
1238 if (eval_marks (edit, &start_mark, &end_mark))
1239 return 0;
1240 if (column_highlighting && edit->mark2 < 0)
1241 edit_mark_cmd (edit, 0);
1242 if ((end_mark - start_mark) > option_max_undo / 2) {
1243 /* Warning message with a query to continue or cancel the operation */
1244 if (edit_query_dialog2
1245 (_("Warning"),
1246 _
1247 (" Block is large, you may not be able to undo this action. "),
1248 _("C&ontinue"), _("&Cancel"))) {
1249 return 1;
1250 }
1251 }
1252 edit_push_markers (edit);
1253 edit_cursor_move (edit, start_mark - edit->curs1);
1254 edit_scroll_screen_over_cursor (edit);
1255 count = start_mark;
1256 if (start_mark < end_mark) {
1257 if (column_highlighting) {
1258 if (edit->mark2 < 0)
1259 edit_mark_cmd (edit, 0);
1260 edit_delete_column_of_text (edit);
1261 } else {
1262 while (count < end_mark) {
1263 edit_delete (edit, 1);
1264 count++;
1265 }
1266 }
1267 }
1268 edit_set_markers (edit, 0, 0, 0, 0);
1269 edit->force |= REDRAW_PAGE;
1270 return 0;
1271 }
1272
1273 /* returns 1 if canceelled by user */
1274 int edit_block_delete_cmd (WEdit * edit)
1275 {
1276 long start_mark, end_mark;
1277 if (eval_marks (edit, &start_mark, &end_mark)) {
1278 edit_delete_line (edit);
1279 return 0;
1280 }
1281 return edit_block_delete (edit);
1282 }
1283
1284 #define INPUT_INDEX 9
1285
1286 static gboolean
1287 editcmd_find (WEdit *edit, gsize *len)
1288 {
1289 gsize search_start = edit->search_start;
1290 gsize search_end;
1291
1292 if (edit->replace_backwards) {
1293 search_end = edit->last_byte;
1294 while ((int) search_start >= 0) {
1295 if (search_end > search_start + edit->search->original_len && mc_search_is_fixed_search_str(edit->search))
1296 search_end = search_start + edit->search->original_len;
1297 if ( mc_search_run(edit->search, (void *) edit, search_start, search_end, len)
1298 && edit->search->normal_offset == search_start )
1299 {
1300 return TRUE;
1301 }
1302 search_start--;
1303 }
1304 edit->search->error_str = g_strdup(_(" Search string not found "));
1305 } else {
1306 return mc_search_run(edit->search, (void *) edit, edit->search_start, edit->last_byte, len);
1307 }
1308 return FALSE;
1309 }
1310
1311
1312 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1313 (and the above) routines to work properly - paul */
1314
1315 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1316
1317 static char *
1318 edit_replace_cmd__conv_to_display(char *str)
1319 {
1320 #ifdef HAVE_CHARSET
1321 GString *tmp;
1322 tmp = str_convert_to_display (str);
1323
1324 if (tmp && tmp->len){
1325 g_free(str);
1326 str = tmp->str;
1327 }
1328 g_string_free (tmp, FALSE);
1329 return str;
1330 #else
1331 return g_strdup(str);
1332 #endif
1333 }
1334
1335 static char *
1336 edit_replace_cmd__conv_to_input(char *str)
1337 {
1338 #ifdef HAVE_CHARSET
1339 GString *tmp;
1340 tmp = str_convert_to_input (str);
1341
1342 if (tmp && tmp->len){
1343 g_free(str);
1344 str = tmp->str;
1345 }
1346 g_string_free (tmp, FALSE);
1347 return str;
1348 #else
1349 return g_strdup(str);
1350 #endif
1351 }
1352 /* call with edit = 0 before shutdown to close memory leaks */
1353 void
1354 edit_replace_cmd (WEdit *edit, int again)
1355 {
1356 /* 1 = search string, 2 = replace with */
1357 static char *saved1 = NULL; /* saved default[123] */
1358 static char *saved2 = NULL;
1359 char *input1 = NULL; /* user input from the dialog */
1360 char *input2 = NULL;
1361 int replace_yes;
1362 long times_replaced = 0, last_search;
1363 gboolean once_found = FALSE;
1364
1365 if (!edit) {
1366 g_free (saved1), saved1 = NULL;
1367 g_free (saved2), saved2 = NULL;
1368 return;
1369 }
1370
1371 last_search = edit->last_byte;
1372
1373 edit->force |= REDRAW_COMPLETELY;
1374
1375 if (again && !saved1 && !saved2)
1376 again = 0;
1377
1378 if (again) {
1379 input1 = g_strdup (saved1 ? saved1 : "");
1380 input2 = g_strdup (saved2 ? saved2 : "");
1381 } else {
1382 char *disp1 = edit_replace_cmd__conv_to_display(g_strdup (saved1 ? saved1 : ""));
1383 char *disp2 = edit_replace_cmd__conv_to_display(g_strdup (saved2 ? saved2 : ""));
1384
1385 edit_push_action (edit, KEY_PRESS + edit->start_display);
1386
1387 editcmd_dialog_replace_show (edit, disp1, disp2, &input1, &input2 );
1388
1389 g_free (disp1);
1390 g_free (disp2);
1391
1392 if (input1 == NULL || *input1 == '\0') {
1393 edit->force = REDRAW_COMPLETELY;
1394 goto cleanup;
1395 }
1396
1397 input1 = edit_replace_cmd__conv_to_input(input1);
1398 input2 = edit_replace_cmd__conv_to_input(input2);
1399
1400 g_free (saved1), saved1 = g_strdup (input1);
1401 g_free (saved2), saved2 = g_strdup (input2);
1402
1403 if (edit->search) {
1404 mc_search_free(edit->search);
1405 edit->search = NULL;
1406 }
1407 }
1408
1409 if (!edit->search) {
1410 edit->search = mc_search_new(input1, -1);
1411 if (edit->search == NULL) {
1412 edit->search_start = edit->curs1;
1413 return;
1414 }
1415 edit->search->search_type = edit->search_type;
1416 edit->search->is_all_charsets = edit->all_codepages;
1417 edit->search->is_case_sentitive = edit->replace_case;
1418 edit->search->search_fn = edit_search_cmd_callback;
1419 }
1420
1421 if (edit->found_len && edit->search_start == edit->found_start + 1
1422 && edit->replace_backwards)
1423 edit->search_start--;
1424
1425 if (edit->found_len && edit->search_start == edit->found_start - 1
1426 && !edit->replace_backwards)
1427 edit->search_start++;
1428
1429 do {
1430 gsize len = 0;
1431 long new_start;
1432
1433 if (! editcmd_find(edit, &len)) {
1434 if (!(edit->search->error == MC_SEARCH_E_OK ||
1435 (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND))) {
1436 edit_error_dialog (_ ("Search"), edit->search->error_str);
1437 }
1438 break;
1439 }
1440 once_found = TRUE;
1441 new_start = edit->search->normal_offset;
1442
1443 edit->search_start = new_start = edit->search->normal_offset;
1444 /*returns negative on not found or error in pattern */
1445
1446 if (edit->search_start >= 0) {
1447 guint i;
1448
1449 edit->found_start = edit->search_start;
1450 i = edit->found_len = len;
1451
1452 edit_cursor_move (edit, edit->search_start - edit->curs1);
1453 edit_scroll_screen_over_cursor (edit);
1454
1455 replace_yes = 1;
1456
1457 if (edit->replace_mode == 0) {
1458 int l;
1459 l = edit->curs_row - edit->num_widget_lines / 3;
1460 if (l > 0)
1461 edit_scroll_downward (edit, l);
1462 if (l < 0)
1463 edit_scroll_upward (edit, -l);
1464
1465 edit_scroll_screen_over_cursor (edit);
1466 edit->force |= REDRAW_PAGE;
1467 edit_render_keypress (edit);
1468
1469 /*so that undo stops at each query */
1470 edit_push_key_press (edit);
1471 /* and prompt 2/3 down */
1472 switch (editcmd_dialog_replace_prompt_show (edit, input1, input2, -1, -1)) {
1473 case B_ENTER:
1474 replace_yes = 1;
1475 break;
1476 case B_SKIP_REPLACE:
1477 replace_yes = 0;
1478 break;
1479 case B_REPLACE_ALL:
1480 edit->replace_mode=1;
1481 break;
1482 case B_CANCEL:
1483 replace_yes = 0;
1484 edit->replace_mode = -1;
1485 break;
1486 }
1487 }
1488 if (replace_yes) { /* delete then insert new */
1489 GString *repl_str, *tmp_str;
1490 tmp_str = g_string_new(input2);
1491
1492 repl_str = mc_search_prepare_replace_str (edit->search, tmp_str);
1493 g_string_free(tmp_str, TRUE);
1494 if (edit->search->error != MC_SEARCH_E_OK)
1495 {
1496 edit_error_dialog (_ ("Replace"), edit->search->error_str);
1497 break;
1498 }
1499
1500 while (i--)
1501 edit_delete (edit, 1);
1502
1503 while (++i < repl_str->len)
1504 edit_insert (edit, repl_str->str[i]);
1505
1506 g_string_free(repl_str, TRUE);
1507 edit->found_len = i;
1508 }
1509 /* so that we don't find the same string again */
1510 if (edit->replace_backwards) {
1511 last_search = edit->search_start;
1512 edit->search_start--;
1513 } else {
1514 edit->search_start += i;
1515 last_search = edit->last_byte;
1516 }
1517 edit_scroll_screen_over_cursor (edit);
1518 } else {
1519 const char *msg = _(" Replace ");
1520 /* try and find from right here for next search */
1521 edit->search_start = edit->curs1;
1522 edit_update_curs_col (edit);
1523
1524 edit->force |= REDRAW_PAGE;
1525 edit_render_keypress (edit);
1526 if (times_replaced) {
1527 message (D_NORMAL, msg, _(" %ld replacements made. "),
1528 times_replaced);
1529 } else
1530 query_dialog (msg, _(" Search string not found "),
1531 D_NORMAL, 1, _("&OK"));
1532 edit->replace_mode = -1;
1533 }
1534 } while (edit->replace_mode >= 0);
1535
1536 edit->force = REDRAW_COMPLETELY;
1537 edit_scroll_screen_over_cursor (edit);
1538 cleanup:
1539 g_free (input1);
1540 g_free (input2);
1541 }
1542
1543
1544 void edit_search_cmd (WEdit * edit, int again)
1545 {
1546 char *search_string = NULL, *search_string_dup = NULL;
1547
1548 gsize len = 0;
1549
1550 if (!edit)
1551 return;
1552
1553 if (edit->search != NULL) {
1554 search_string = g_strndup(edit->search->original, edit->search->original_len);
1555 search_string_dup = search_string;
1556 } else {
1557 GList *history;
1558 history = history_get (MC_HISTORY_SHARED_SEARCH);
1559 if (history != NULL && history->data != NULL) {
1560 search_string_dup = search_string = (char *) g_strdup(history->data);
1561 history = g_list_first (history);
1562 g_list_foreach (history, (GFunc) g_free, NULL);
1563 g_list_free (history);
1564 }
1565 edit->search_start = edit->curs1;
1566 }
1567
1568 if (!again) {
1569 #ifdef HAVE_CHARSET
1570 GString *tmp;
1571 if (search_string && *search_string) {
1572 tmp = str_convert_to_display (search_string);
1573
1574 g_free(search_string_dup);
1575 search_string_dup = NULL;
1576
1577 if (tmp && tmp->len)
1578 search_string = search_string_dup = tmp->str;
1579 g_string_free (tmp, FALSE);
1580 }
1581 #endif /* HAVE_CHARSET */
1582 editcmd_dialog_search_show (edit, &search_string);
1583 #ifdef HAVE_CHARSET
1584 if (search_string && *search_string) {
1585 tmp = str_convert_to_input (search_string);
1586 if (tmp && tmp->len)
1587 search_string = tmp->str;
1588
1589 g_string_free (tmp, FALSE);
1590
1591 if (search_string_dup)
1592 g_free(search_string_dup);
1593 }
1594 #endif /* HAVE_CHARSET */
1595
1596 edit_push_action (edit, KEY_PRESS + edit->start_display);
1597
1598 if (!search_string) {
1599 edit->force |= REDRAW_COMPLETELY;
1600 edit_scroll_screen_over_cursor (edit);
1601 return;
1602 }
1603
1604 if (edit->search) {
1605 mc_search_free(edit->search);
1606 edit->search = NULL;
1607 }
1608 }
1609
1610 if (!edit->search) {
1611 edit->search = mc_search_new(search_string, -1);
1612 if (edit->search == NULL) {
1613 edit->search_start = edit->curs1;
1614 return;
1615 }
1616 edit->search->search_type = edit->search_type;
1617 edit->search->is_all_charsets = edit->all_codepages;
1618 edit->search->is_case_sentitive = edit->replace_case;
1619 edit->search->search_fn = edit_search_cmd_callback;
1620 }
1621
1622 if (search_create_bookmark) {
1623 edit_search_cmd_search_create_bookmark(edit);
1624 } else {
1625 if (edit->found_len && edit->search_start == edit->found_start + 1 && edit->replace_backwards)
1626 edit->search_start--;
1627
1628 if (edit->found_len && edit->search_start == edit->found_start - 1 && !edit->replace_backwards)
1629 edit->search_start++;
1630
1631
1632 if (editcmd_find(edit, &len)) {
1633 edit->found_start = edit->search_start = edit->search->normal_offset;
1634 edit->found_len = len;
1635
1636 edit_cursor_move (edit, edit->search_start - edit->curs1);
1637 edit_scroll_screen_over_cursor (edit);
1638 if (edit->replace_backwards)
1639 edit->search_start--;
1640 else
1641 edit->search_start++;
1642 } else {
1643 edit->search_start = edit->curs1;
1644 if (edit->search->error_str)
1645 edit_error_dialog (_ ("Search"), edit->search->error_str);
1646 }
1647 }
1648
1649 edit->force |= REDRAW_COMPLETELY;
1650 edit_scroll_screen_over_cursor (edit);
1651 }
1652
1653
1654 /*
1655 * Check if it's OK to close the editor. If there are unsaved changes,
1656 * ask user. Return 1 if it's OK to exit, 0 to continue editing.
1657 */
1658 int
1659 edit_ok_to_exit (WEdit *edit)
1660 {
1661 if (!edit->modified)
1662 return 1;
1663
1664 switch (edit_query_dialog3
1665 (_("Quit"), _(" File was modified, Save with exit? "),
1666 _("&Cancel quit"), _("&Yes"), _("&No"))) {
1667 case 1:
1668 edit_push_markers (edit);
1669 edit_set_markers (edit, 0, 0, 0, 0);
1670 if (!edit_save_cmd (edit))
1671 return 0;
1672 break;
1673 case 2:
1674 break;
1675 case 0:
1676 case -1:
1677 return 0;
1678 }
1679
1680 return 1;
1681 }
1682
1683 /* Return a null terminated length of text. Result must be g_free'd */
1684 static unsigned char *
1685 edit_get_block (WEdit *edit, long start, long finish, int *l)
1686 {
1687 unsigned char *s, *r;
1688 r = s = g_malloc (finish - start + 1);
1689 if (column_highlighting) {
1690 *l = 0;
1691 /* copy from buffer, excluding chars that are out of the column 'margins' */
1692 while (start < finish) {
1693 int c, x;
1694 x = edit_move_forward3 (edit, edit_bol (edit, start), 0,
1695 start);
1696 c = edit_get_byte (edit, start);
1697 if ((x >= edit->column1 && x < edit->column2)
1698 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
1699 *s++ = c;
1700 (*l)++;
1701 }
1702 start++;
1703 }
1704 } else {
1705 *l = finish - start;
1706 while (start < finish)
1707 *s++ = edit_get_byte (edit, start++);
1708 }
1709 *s = 0;
1710 return r;
1711 }
1712
1713 /* save block, returns 1 on success */
1714 int
1715 edit_save_block (WEdit * edit, const char *filename, long start,
1716 long finish)
1717 {
1718 int len, file;
1719
1720 if ((file =
1721 mc_open (filename, O_CREAT | O_WRONLY | O_TRUNC,
1722 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1)
1723 return 0;
1724
1725 if (column_highlighting) {
1726 int r;
1727 r = mc_write (file, VERTICAL_MAGIC, sizeof(VERTICAL_MAGIC));
1728 if (r > 0) {
1729 unsigned char *block, *p;
1730 p = block = edit_get_block (edit, start, finish, &len);
1731 while (len) {
1732 r = mc_write (file, p, len);
1733 if (r < 0)
1734 break;
1735 p += r;
1736 len -= r;
1737 }
1738 g_free (block);
1739 }
1740 } else {
1741 unsigned char *buf;
1742 int i = start, end;
1743 len = finish - start;
1744 buf = g_malloc (TEMP_BUF_LEN);
1745 while (start != finish) {
1746 end = min (finish, start + TEMP_BUF_LEN);
1747 for (; i < end; i++)
1748 buf[i - start] = edit_get_byte (edit, i);
1749 len -= mc_write (file, (char *) buf, end - start);
1750 start = end;
1751 }
1752 g_free (buf);
1753 }
1754 mc_close (file);
1755 if (len)
1756 return 0;
1757 return 1;
1758 }
1759
1760 /* copies a block to clipboard file */
1761 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
1762 {
1763 int ret;
1764 gchar *tmp;
1765 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1766 ret = edit_save_block (edit, tmp, start, finish);
1767 g_free(tmp);
1768 return ret;
1769 }
1770
1771
1772 void edit_paste_from_history (WEdit *edit)
1773 {
1774 (void) edit;
1775 edit_error_dialog (_(" Error "), _(" This function is not implemented. "));
1776 }
1777
1778 int edit_copy_to_X_buf_cmd (WEdit * edit)
1779 {
1780 long start_mark, end_mark;
1781 if (eval_marks (edit, &start_mark, &end_mark))
1782 return 0;
1783 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
1784 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
1785 return 1;
1786 }
1787 edit_mark_cmd (edit, 1);
1788 return 0;
1789 }
1790
1791 int edit_cut_to_X_buf_cmd (WEdit * edit)
1792 {
1793 long start_mark, end_mark;
1794 if (eval_marks (edit, &start_mark, &end_mark))
1795 return 0;
1796 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
1797 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
1798 return 1;
1799 }
1800 edit_block_delete_cmd (edit);
1801 edit_mark_cmd (edit, 1);
1802 return 0;
1803 }
1804
1805 void edit_paste_from_X_buf_cmd (WEdit * edit)
1806 {
1807 gchar *tmp;
1808 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1809 edit_insert_file (edit, tmp);
1810 g_free(tmp);
1811 }
1812
1813
1814 /*
1815 * Ask user for the line and go to that line.
1816 * Negative numbers mean line from the end (i.e. -1 is the last line).
1817 */
1818 void
1819 edit_goto_cmd (WEdit *edit)
1820 {
1821 char *f;
1822 static long line = 0; /* line as typed, saved as default */
1823 long l;
1824 char *error;
1825 char s[32];
1826
1827 g_snprintf (s, sizeof (s), "%ld", line);
1828 f = input_dialog (_(" Goto line "), _(" Enter line: "), MC_HISTORY_EDIT_GOTO_LINE,
1829 line ? s : "");
1830 if (!f)
1831 return;
1832
1833 if (!*f) {
1834 g_free (f);
1835 return;
1836 }
1837
1838 l = strtol (f, &error, 0);
1839 if (*error) {
1840 g_free (f);
1841 return;
1842 }
1843
1844 line = l;
1845 if (l < 0)
1846 l = edit->total_lines + l + 2;
1847 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
1848 edit_move_to_line (edit, l - 1);
1849 edit->force |= REDRAW_COMPLETELY;
1850 g_free (f);
1851 }
1852
1853
1854 /* Return 1 on success */
1855 int
1856 edit_save_block_cmd (WEdit *edit)
1857 {
1858 long start_mark, end_mark;
1859 char *exp, *tmp;
1860
1861 if (eval_marks (edit, &start_mark, &end_mark))
1862 return 1;
1863
1864 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1865 exp =
1866 input_expand_dialog (_(" Save Block "), _(" Enter file name: "),
1867 MC_HISTORY_EDIT_SAVE_BLOCK,
1868 tmp);
1869 g_free(tmp);
1870 edit_push_action (edit, KEY_PRESS + edit->start_display);
1871 if (exp) {
1872 if (!*exp) {
1873 g_free (exp);
1874 return 0;
1875 } else {
1876 if (edit_save_block (edit, exp, start_mark, end_mark)) {
1877 g_free (exp);
1878 edit->force |= REDRAW_COMPLETELY;
1879 return 1;
1880 } else {
1881 g_free (exp);
1882 edit_error_dialog (_(" Save Block "),
1883 get_sys_error (_
1884 (" Cannot save file. ")));
1885 }
1886 }
1887 }
1888 edit->force |= REDRAW_COMPLETELY;
1889 return 0;
1890 }
1891
1892
1893 /* returns 1 on success */
1894 int
1895 edit_insert_file_cmd (WEdit *edit)
1896 {
1897 gchar *tmp;
1898 char *exp;
1899
1900 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1901 exp = input_expand_dialog (_(" Insert File "), _(" Enter file name: "),
1902 MC_HISTORY_EDIT_INSERT_FILE,
1903 tmp);
1904 g_free(tmp);
1905 edit_push_action (edit, KEY_PRESS + edit->start_display);
1906 if (exp) {
1907 if (!*exp) {
1908 g_free (exp);
1909 return 0;
1910 } else {
1911 if (edit_insert_file (edit, exp)) {
1912 g_free (exp);
1913 edit->force |= REDRAW_COMPLETELY;
1914 return 1;
1915 } else {
1916 g_free (exp);
1917 edit_error_dialog (_(" Insert File "),
1918 get_sys_error (_
1919 (" Cannot insert file. ")));
1920 }
1921 }
1922 }
1923 edit->force |= REDRAW_COMPLETELY;
1924 return 0;
1925 }
1926
1927 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
1928 int edit_sort_cmd (WEdit * edit)
1929 {
1930 static char *old = 0;
1931 char *exp, *tmp;
1932 long start_mark, end_mark;
1933 int e;
1934
1935 if (eval_marks (edit, &start_mark, &end_mark)) {
1936 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
1937 return 0;
1938 }
1939
1940 tmp = concat_dir_and_file (home_dir, EDIT_BLOCK_FILE);
1941 edit_save_block (edit, tmp, start_mark, end_mark);
1942 g_free(tmp);
1943
1944 exp = input_dialog (_(" Run Sort "),
1945 _(" Enter sort options (see manpage) separated by whitespace: "),
1946 MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "");
1947
1948 if (!exp)
1949 return 1;
1950 g_free (old);
1951 old = exp;
1952 tmp = g_strconcat (" sort ", exp, " ", home_dir, PATH_SEP_STR EDIT_BLOCK_FILE, " > ",
1953 home_dir, PATH_SEP_STR EDIT_TEMP_FILE, (char *) NULL);
1954 e = system (tmp);
1955 g_free(tmp);
1956 if (e) {
1957 if (e == -1 || e == 127) {
1958 edit_error_dialog (_(" Sort "),
1959 get_sys_error (_(" Cannot execute sort command ")));
1960 } else {
1961 char q[8];
1962 sprintf (q, "%d ", e);
1963 tmp = g_strconcat (_(" Sort returned non-zero: "), q, (char *) NULL);
1964 edit_error_dialog (_(" Sort "), tmp);
1965 g_free(tmp);
1966 }
1967 return -1;
1968 }
1969
1970 edit->force |= REDRAW_COMPLETELY;
1971
1972 if (edit_block_delete_cmd (edit))
1973 return 1;
1974 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
1975 edit_insert_file (edit, tmp);
1976 g_free(tmp);
1977 return 0;
1978 }
1979
1980 /*
1981 * Ask user for a command, execute it and paste its output back to the
1982 * editor.
1983 */
1984 int
1985 edit_ext_cmd (WEdit *edit)
1986 {
1987 char *exp, *tmp;
1988 int e;
1989
1990 exp =
1991 input_dialog (_("Paste output of external command"),
1992 _("Enter shell command(s):"),
1993 MC_HISTORY_EDIT_PASTE_EXTCMD, NULL);
1994
1995 if (!exp)
1996 return 1;
1997
1998 tmp = g_strconcat (exp, " > ", home_dir, PATH_SEP_STR EDIT_TEMP_FILE, (char *) NULL);
1999 e = system (tmp);
2000 g_free(tmp);
2001 g_free (exp);
2002
2003 if (e) {
2004 edit_error_dialog (_("External command"),
2005 get_sys_error (_("Cannot execute command")));
2006 return -1;
2007 }
2008
2009 edit->force |= REDRAW_COMPLETELY;
2010 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
2011 edit_insert_file (edit, tmp);
2012 g_free(tmp);
2013 return 0;
2014 }
2015
2016 /* if block is 1, a block must be highlighted and the shell command
2017 processes it. If block is 0 the shell command is a straight system
2018 command, that just produces some output which is to be inserted */
2019 void
2020 edit_block_process_cmd (WEdit *edit, const char *shell_cmd, int block)
2021 {
2022 long start_mark, end_mark;
2023 char buf[BUFSIZ];
2024 FILE *script_home = NULL;
2025 FILE *script_src = NULL;
2026 FILE *block_file = NULL;
2027 gchar *o, *h, *b, *tmp;
2028 char *quoted_name = NULL;
2029
2030 o = g_strconcat (mc_home, shell_cmd, (char *) NULL); /* original source script */
2031 h = g_strconcat (home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, (char *) NULL); /* home script */
2032 b = concat_dir_and_file (home_dir, EDIT_BLOCK_FILE); /* block file */
2033
2034 if (!(script_home = fopen (h, "r"))) {
2035 if (!(script_home = fopen (h, "w"))) {
2036 tmp = g_strconcat (_("Error creating script:"), h, (char *) NULL);
2037 edit_error_dialog ("", get_sys_error (tmp));
2038 g_free(tmp);
2039 goto edit_block_process_cmd__EXIT;
2040 }
2041 if (!(script_src = fopen (o, "r"))) {
2042 o = g_strconcat (mc_home_alt, shell_cmd, (char *) NULL);
2043 if (!(script_src = fopen (o, "r"))) {
2044 fclose (script_home);
2045 unlink (h);
2046 tmp = g_strconcat (_("Error reading script:"), o, (char *) NULL);
2047 edit_error_dialog ("", get_sys_error (tmp));
2048 g_free(tmp);
2049 goto edit_block_process_cmd__EXIT;
2050 }
2051 }
2052 while (fgets (buf, sizeof (buf), script_src))
2053 fputs (buf, script_home);
2054 if (fclose (script_home)) {
2055 tmp = g_strconcat (_("Error closing script:"), h, (char *) NULL);
2056 edit_error_dialog ("", get_sys_error (tmp));
2057 g_free(tmp);
2058 goto edit_block_process_cmd__EXIT;
2059 }
2060 chmod (h, 0700);
2061 tmp = g_strconcat (_("Script created:"), h, (char *) NULL);
2062 edit_error_dialog ("", get_sys_error (tmp));
2063 g_free(tmp);
2064 }
2065
2066 open_error_pipe ();
2067
2068 if (block) { /* for marked block run indent formatter */
2069 if (eval_marks (edit, &start_mark, &end_mark)) {
2070 edit_error_dialog (_("Process block"),
2071 _
2072 (" You must first highlight a block of text. "));
2073 goto edit_block_process_cmd__EXIT;
2074 }
2075 edit_save_block (edit, b, start_mark, end_mark);
2076 quoted_name = name_quote (edit->filename, 0);
2077 /*
2078 * Run script.
2079 * Initial space is to avoid polluting bash history.
2080 * Arguments:
2081 * $1 - name of the edited file (to check its extension etc).
2082 * $2 - file containing the current block.
2083 * $3 - file where error messages should be put
2084 * (for compatibility with old scripts).
2085 */
2086 tmp = g_strconcat (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ", quoted_name,
2087 " ", home_dir, PATH_SEP_STR EDIT_BLOCK_FILE " /dev/null", (char *) NULL);
2088 system (tmp);
2089 g_free(tmp);
2090 } else {
2091 /*
2092 * No block selected, just execute the command for the file.
2093 * Arguments:
2094 * $1 - name of the edited file.
2095 */
2096 tmp = g_strconcat (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ",
2097 quoted_name, (char *) NULL);
2098 system (tmp);
2099 g_free(tmp);
2100 }
2101 g_free (quoted_name);
2102 close_error_pipe (D_NORMAL, NULL);
2103
2104 edit_refresh_cmd (edit);
2105 edit->force |= REDRAW_COMPLETELY;
2106
2107 /* insert result block */
2108 if (block) {
2109 if (edit_block_delete_cmd (edit))
2110 goto edit_block_process_cmd__EXIT;
2111 edit_insert_file (edit, b);
2112 if ((block_file = fopen (b, "w")))
2113 fclose (block_file);
2114 goto edit_block_process_cmd__EXIT;
2115 }
2116 edit_block_process_cmd__EXIT:
2117 g_free(b);
2118 g_free(h);
2119 g_free(o);
2120 return;
2121 }
2122
2123 /* prints at the cursor */
2124 /* returns the number of chars printed */
2125 int edit_print_string (WEdit * e, const char *s)
2126 {
2127 int i = 0;
2128 while (s[i])
2129 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2130 e->force |= REDRAW_COMPLETELY;
2131 edit_update_screen (e);
2132 return i;
2133 }
2134
2135
2136 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2137 {
2138 FILE *p = 0;
2139 char *s;
2140
2141 to = name_quote (to, 0);
2142 subject = name_quote (subject, 0);
2143 cc = name_quote (cc, 0);
2144 s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "" , cc, " ", to, (char *) NULL);
2145 g_free (to);
2146 g_free (subject);
2147 g_free (cc);
2148
2149 if (s) {
2150 p = popen (s, "w");
2151 g_free (s);
2152 }
2153
2154 if (p) {
2155 long i;
2156 for (i = 0; i < edit->last_byte; i++)
2157 fputc (edit_get_byte (edit, i), p);
2158 pclose (p);
2159 }
2160 }
2161
2162 #define MAIL_DLG_HEIGHT 12
2163
2164 void edit_mail_dialog (WEdit * edit)
2165 {
2166 char *tmail_to;
2167 char *tmail_subject;
2168 char *tmail_cc;
2169
2170 static char *mail_cc_last = 0;
2171 static char *mail_subject_last = 0;
2172 static char *mail_to_last = 0;
2173
2174 QuickDialog Quick_input =
2175 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2176 "[Input Line Keys]", 0, 0};
2177
2178 QuickWidget quick_widgets[] =
2179 {
2180 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2181 0, NULL, NULL, NULL},
2182 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
2183 0, NULL, NULL, NULL},
2184 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2185 0, "mail-dlg-input", NULL, NULL},
2186 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2187 0, 0, NULL, NULL},
2188 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2189 0, "mail-dlg-input-2", NULL, NULL},
2190 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2191 0, 0, NULL, NULL},
2192 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2193 0, "mail-dlg-input-3", NULL, NULL},
2194 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2195 0, 0, NULL, NULL},
2196 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2197 0, 0, NULL, NULL},
2198 NULL_QuickWidget};
2199
2200 quick_widgets[2].str_result = &tmail_cc;
2201 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2202 quick_widgets[4].str_result = &tmail_subject;
2203 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2204 quick_widgets[6].str_result = &tmail_to;
2205 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2206
2207 Quick_input.widgets = quick_widgets;
2208
2209 if (quick_dialog (&Quick_input) != B_CANCEL) {
2210 g_free (mail_cc_last);
2211 g_free (mail_subject_last);
2212 g_free (mail_to_last);
2213 mail_cc_last = tmail_cc;
2214 mail_subject_last = tmail_subject;
2215 mail_to_last = tmail_to;
2216 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2217 }
2218 }
2219
2220
2221 /*******************/
2222 /* Word Completion */
2223 /*******************/
2224
2225 static gboolean is_break_char(char c)
2226 {
2227 return (isspace(c) || strchr("{}[]()<>=|/\\!?~'\",.;:#$%^&*", c));
2228 }
2229
2230 /* find first character of current word */
2231 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2232 {
2233 int i, c, last;
2234
2235 /* return if at begin of file */
2236 if (edit->curs1 <= 0)
2237 return 0;
2238
2239 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2240 /* return if not at end or in word */
2241 if (is_break_char(c))
2242 return 0;
2243
2244 /* search start of word to be completed */
2245 for (i = 2;; i++) {
2246 /* return if at begin of file */
2247 if (edit->curs1 - i < 0)
2248 return 0;
2249
2250 last = c;
2251 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2252
2253 if (is_break_char(c)) {
2254 /* return if word starts with digit */
2255 if (isdigit (last))
2256 return 0;
2257
2258 *word_start = edit->curs1 - (i - 1); /* start found */
2259 *word_len = i - 1;
2260 break;
2261 }
2262 }
2263 /* success */
2264 return 1;
2265 }
2266
2267 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
2268
2269 /* collect the possible completions */
2270 static int
2271 edit_collect_completions (WEdit *edit, long start, int word_len,
2272 char *match_expr, struct selection *compl,
2273 int *num)
2274 {
2275 int max_len = 0, i, skip;
2276 gsize len = 0;
2277 GString *temp;
2278 mc_search_t *srch;
2279
2280 srch = mc_search_new(match_expr, -1);
2281 if (srch == NULL)
2282 return 0;
2283
2284 srch->search_type = MC_SEARCH_T_REGEX;
2285 srch->is_case_sentitive = TRUE;
2286 srch->search_fn = edit_search_cmd_callback;
2287
2288 /* collect max MAX_WORD_COMPLETIONS completions */
2289 start--;
2290 while (*num < MAX_WORD_COMPLETIONS) {
2291 /* get next match */
2292 if (mc_search_run (srch, (void *) edit, start+1, edit->last_byte, &len) == FALSE)
2293 break;
2294 start = srch->normal_offset;
2295
2296 /* add matched completion if not yet added */
2297 temp = g_string_new("");
2298 for (i = 0; i < len; i++){
2299 skip = edit_get_byte(edit, start+i);
2300 if (isspace(skip))
2301 continue;
2302 g_string_append_c (temp, skip);
2303 }
2304
2305 skip = 0;
2306
2307 for (i = 0; i < *num; i++) {
2308 if (strncmp
2309 (
2310 (char *) &compl[i].text[word_len],
2311 (char *) &temp->str[word_len],
2312 max (len, compl[i].len) - word_len
2313 ) == 0) {
2314 skip = 1;
2315 break; /* skip it, already added */
2316 }
2317 }
2318 if (skip) {
2319 g_string_free(temp, TRUE);
2320 continue;
2321 }
2322
2323 compl[*num].text = temp->str;
2324 compl[*num].len = temp->len;
2325 (*num)++;
2326 g_string_free(temp, FALSE);
2327
2328 /* note the maximal length needed for the completion dialog */
2329 if (len > max_len)
2330 max_len = len;
2331 }
2332 mc_search_free(srch);
2333 return max_len;
2334 }
2335
2336 /*
2337 * Complete current word using regular expression search
2338 * backwards beginning at the current cursor position.
2339 */
2340 void
2341 edit_complete_word_cmd (WEdit *edit)
2342 {
2343 int word_len = 0, i, num_compl = 0, max_len;
2344 long word_start = 0;
2345 unsigned char *bufpos;
2346 char *match_expr;
2347 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2348
2349 /* search start of word to be completed */
2350 if (!edit_find_word_start (edit, &word_start, &word_len))
2351 return;
2352
2353 /* prepare match expression */
2354 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2355 [word_start & M_EDIT_BUF_SIZE];
2356
2357 match_expr = g_strdup_printf ("(^|\\s)%.*s[^\\s\\.=\\+\\{\\}\\[\\]\\(\\)\\\\\\!\\,<>\\?\\/@#\\$%%\\^&\\*\\~\\|\\\"'\\:\\;]+", word_len, bufpos);
2358
2359 /* collect the possible completions */
2360 /* start search from begin to end of file */
2361 max_len =
2362 edit_collect_completions (edit, 0, word_len, match_expr,
2363 (struct selection *) &compl, &num_compl);
2364
2365 if (num_compl > 0) {
2366 /* insert completed word if there is only one match */
2367 if (num_compl == 1) {
2368 for (i = word_len; i < compl[0].len; i++)
2369 edit_insert (edit, *(compl[0].text + i));
2370 }
2371 /* more than one possible completion => ask the user */
2372 else {
2373 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2374 /* !!! pressed again the selection dialog pops up, but that !!! */
2375 /* !!! seems to require a further internal state !!! */
2376 /*tty_beep (); */
2377
2378 /* let the user select the preferred completion */
2379 editcmd_dialog_completion_show (edit, max_len, word_len,
2380 (struct selection *) &compl,
2381 num_compl);
2382 }
2383 }
2384
2385 g_free (match_expr);
2386 /* release memory before return */
2387 for (i = 0; i < num_compl; i++)
2388 g_free (compl[i].text);
2389
2390 }
2391
2392 void
2393 edit_select_codepage_cmd (WEdit *edit)
2394 {
2395 #ifdef HAVE_CHARSET
2396 if (do_select_codepage ()) {
2397 const char *cp_id;
2398
2399 cp_id = get_codepage_id (source_codepage >= 0 ?
2400 source_codepage : display_codepage);
2401
2402 if (cp_id != NULL)
2403 edit->utf8 = str_isutf8 (cp_id);
2404 }
2405
2406 edit->force = REDRAW_COMPLETELY;
2407 edit_refresh_cmd (edit);
2408 #endif
2409 }
2410
2411 void
2412 edit_insert_literal_cmd (WEdit *edit)
2413 {
2414 int char_for_insertion =
2415 editcmd_dialog_raw_key_query (_(" Insert Literal "),
2416 _(" Press any key: "), 0);
2417 edit_execute_key_command (edit, -1,
2418 ascii_alpha_to_cntrl (char_for_insertion));
2419 }
2420
2421 void
2422 edit_execute_macro_cmd (WEdit *edit)
2423 {
2424 int command =
2425 CK_Macro (editcmd_dialog_raw_key_query
2426 (_(" Execute Macro "), _(" Press macro hotkey: "),
2427 1));
2428 if (command == CK_Macro (0))
2429 command = CK_Insert_Char;
2430
2431 edit_execute_key_command (edit, command, -1);
2432 }
2433
2434 void
2435 edit_begin_end_macro_cmd(WEdit *edit)
2436 {
2437 int command;
2438
2439 /* edit is a pointer to the widget */
2440 if (edit) {
2441 command =
2442 edit->macro_i <
2443 0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
2444 edit_execute_key_command (edit, command, -1);
2445 }
2446 }
2447
2448 int
2449 edit_load_forward_cmd (WEdit *edit)
2450 {
2451 if (edit->modified) {
2452 if (edit_query_dialog2
2453 (_("Warning"),
2454 _(" Current text was modified without a file save. \n"
2455 " Continue discards these changes. "), _("C&ontinue"),
2456 _("&Cancel"))) {
2457 edit->force |= REDRAW_COMPLETELY;
2458 return 0;
2459 }
2460 }
2461 if ( edit_stack_iterator + 1 < MAX_HISTORY_MOVETO ) {
2462 if ( edit_history_moveto[edit_stack_iterator + 1].line < 1 ) {
2463 return 1;
2464 }
2465 edit_stack_iterator++;
2466 if ( edit_history_moveto[edit_stack_iterator].filename ) {
2467 edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
2468 edit_history_moveto[edit_stack_iterator].line);
2469 return 0;
2470 } else {
2471 return 1;
2472 }
2473 } else {
2474 return 1;
2475 }
2476 }
2477
2478 int
2479 edit_load_back_cmd (WEdit *edit)
2480 {
2481 if (edit->modified) {
2482 if (edit_query_dialog2
2483 (_("Warning"),
2484 _(" Current text was modified without a file save. \n"
2485 " Continue discards these changes. "), _("C&ontinue"),
2486 _("&Cancel"))) {
2487 edit->force |= REDRAW_COMPLETELY;
2488 return 0;
2489 }
2490 }
2491 if ( edit_stack_iterator > 0 ) {
2492 edit_stack_iterator--;
2493 if ( edit_history_moveto[edit_stack_iterator].filename ) {
2494 edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
2495 edit_history_moveto[edit_stack_iterator].line);
2496 return 0;
2497 } else {
2498 return 1;
2499 }
2500 } else {
2501 return 1;
2502 }
2503 }
2504
2505 void
2506 edit_get_match_keyword_cmd (WEdit *edit)
2507 {
2508 int word_len = 0;
2509 int num_def = 0;
2510 int max_len = 0;
2511 int i;
2512 long word_start = 0;
2513 unsigned char *bufpos;
2514 char *match_expr;
2515 char *path = NULL;
2516 char *ptr = NULL;
2517 char *tagfile = NULL;
2518
2519 etags_hash_t def_hash[MAX_DEFINITIONS];
2520
2521 for ( i = 0; i < MAX_DEFINITIONS; i++) {
2522 def_hash[i].filename = NULL;
2523 }
2524
2525 /* search start of word to be completed */
2526 if (!edit_find_word_start (edit, &word_start, &word_len))
2527 return;
2528
2529 /* prepare match expression */
2530 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2531 [word_start & M_EDIT_BUF_SIZE];
2532 match_expr = g_strdup_printf ("%.*s", word_len, bufpos);
2533
2534 ptr = g_get_current_dir ();
2535 path = g_strconcat (ptr, G_DIR_SEPARATOR_S, (char *) NULL);
2536 g_free (ptr);
2537
2538 /* Recursive search file 'TAGS' in parent dirs */
2539 do {
2540 ptr = g_path_get_dirname (path);
2541 g_free(path); path = ptr;
2542 g_free (tagfile);
2543 tagfile = g_build_filename (path, TAGS_NAME, (char *) NULL);
2544 if ( exist_file (tagfile) )
2545 break;
2546 } while (strcmp( path, G_DIR_SEPARATOR_S) != 0);
2547
2548 if (tagfile){
2549 num_def = etags_set_definition_hash(tagfile, path, match_expr, (etags_hash_t *) &def_hash);
2550 g_free (tagfile);
2551 }
2552 g_free (path);
2553
2554 max_len = MAX_WIDTH_DEF_DIALOG;
2555 word_len = 0;
2556 if ( num_def > 0 ) {
2557 editcmd_dialog_select_definition_show (edit, match_expr, max_len, word_len,
2558 (etags_hash_t *) &def_hash,
2559 num_def);
2560 }
2561 g_free (match_expr);
2562 }
2563
2564 void
2565 edit_move_block_to_right (WEdit * edit)
2566 {
2567 long start_mark, end_mark;
2568 long cur_bol, start_bol;
2569
2570 if ( eval_marks (edit, &start_mark, &end_mark) )
2571 return;
2572
2573 start_bol = edit_bol (edit, start_mark);
2574 cur_bol = edit_bol (edit, end_mark - 1);
2575 do {
2576 edit_cursor_move (edit, cur_bol - edit->curs1);
2577 if ( option_fill_tabs_with_spaces ) {
2578 if ( option_fake_half_tabs ) {
2579 insert_spaces_tab (edit, 1);
2580 } else {
2581 insert_spaces_tab (edit, 0);
2582 }
2583 } else {
2584 edit_insert (edit, '\t');
2585 }
2586 edit_cursor_move (edit, edit_bol (edit, cur_bol) - edit->curs1);
2587 if ( cur_bol == 0 ) {
2588 break;
2589 }
2590 cur_bol = edit_bol (edit, cur_bol - 1);
2591 } while (cur_bol >= start_bol) ;
2592 edit->force |= REDRAW_PAGE;
2593 }
2594
2595 void
2596 edit_move_block_to_left (WEdit * edit)
2597 {
2598 long start_mark, end_mark;
2599 long cur_bol, start_bol;
2600 int i, del_tab_width;
2601 int next_char;
2602
2603 if ( eval_marks (edit, &start_mark, &end_mark) )
2604 return;
2605
2606 start_bol = edit_bol (edit, start_mark);
2607 cur_bol = edit_bol (edit, end_mark - 1);
2608 do {
2609 edit_cursor_move (edit, cur_bol - edit->curs1);
2610 if (option_fake_half_tabs) {
2611 del_tab_width = HALF_TAB_SIZE;
2612 } else {
2613 del_tab_width = option_tab_spacing;
2614 }
2615 next_char = edit_get_byte (edit, edit->curs1);
2616 if ( next_char == '\t' ) {
2617 edit_delete (edit, 1);
2618 } else if ( next_char == ' ' ) {
2619 for (i = 1; i <= del_tab_width; i++) {
2620 if ( next_char == ' ' ) {
2621 edit_delete (edit, 1);
2622 }
2623 next_char = edit_get_byte (edit, edit->curs1);
2624 }
2625 }
2626 if ( cur_bol == 0 ) {
2627 break;
2628 }
2629 cur_bol = edit_bol (edit, cur_bol - 1);
2630 } while (cur_bol >= start_bol) ;
2631 edit->force |= REDRAW_PAGE;
2632 }
Midnight Commander