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FIX: Completion in editor doesn't work with subwords ended with '_'
[midnight-commander.git] / edit / editcmd.c
blob05e44570abc29d87b0d0d59b3b62e9c5a35bce02
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 #include "../src/history.h"
50
51 #include "../src/tty.h" /* LINES */
52 #include "../src/widget.h" /* listbox_new() */
53 #include "../src/layout.h" /* clr_scr() */
54 #include "../src/main.h" /* mc_home source_codepage */
55 #include "../src/help.h" /* interactive_display() */
56 #include "../src/key.h" /* XCTRL */
57 #include "../src/wtools.h" /* message() */
58 #include "../src/charsets.h"
59 #include "../src/selcodepage.h"
60 #include "../src/strutil.h" /* utf string functions */
61
62 #include "../edit/edit-impl.h"
63 #include "../edit/edit.h"
64 #include "../edit/editlock.h"
65 #include "../edit/editcmddef.h"
66 #include "../edit/edit-widget.h"
67 #include "../edit/editcmd_dialogs.h"
68 #include "../edit/etags.h"
69
70 /* globals: */
71
72 /* search and replace: */
73 static int search_create_bookmark = 0;
74 /* static int search_in_all_charsets = 0; */
75
76 /* queries on a save */
77 int edit_confirm_save = 1;
78
79 static int edit_save_cmd (WEdit *edit);
80 static unsigned char *edit_get_block (WEdit *edit, long start,
81 long finish, int *l);
82
83 static void
84 edit_search_cmd_search_create_bookmark(WEdit * edit)
85 {
86 int found = 0, books = 0;
87 int l = 0, l_last = -1;
88 long q = 0;
89 gsize len = 0;
90
91 for (;;) {
92 if (!mc_search_run(edit->search, (void *) edit, q, edit->last_byte, &len))
93 break;
94
95 found++;
96 l += edit_count_lines (edit, q, edit->search->normal_offset);
97 if (l != l_last) {
98 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
99 books++;
100 }
101 l_last = l;
102 q = edit->search->normal_offset + 1;
103 }
104
105 if (found) {
106 /* in response to number of bookmarks added because of string being found %d times */
107 message (D_NORMAL, _("Search"), _(" %d items found, %d bookmarks added "), found, books);
108 } else {
109 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
110 }
111 }
112
113 static int
114 edit_search_cmd_callback(const void *user_data, gsize char_offset)
115 {
116 return edit_get_byte ((WEdit * )user_data, (long) char_offset);
117 }
118
119 void edit_help_cmd (WEdit * edit)
120 {
121 interactive_display (NULL, "[Internal File Editor]");
122 edit->force |= REDRAW_COMPLETELY;
123 }
124
125 void edit_refresh_cmd (WEdit * edit)
126 {
127 #ifndef HAVE_SLANG
128 clr_scr();
129 do_refresh();
130 #else
131 {
132 int color;
133 edit_get_syntax_color (edit, -1, &color);
134 }
135 touchwin(stdscr);
136 #endif /* !HAVE_SLANG */
137 mc_refresh();
138 doupdate();
139 }
140
141 /* If 0 (quick save) then a) create/truncate <filename> file,
142 b) save to <filename>;
143 if 1 (safe save) then a) save to <tempnam>,
144 b) rename <tempnam> to <filename>;
145 if 2 (do backups) then a) save to <tempnam>,
146 b) rename <filename> to <filename.backup_ext>,
147 c) rename <tempnam> to <filename>. */
148
149 /* returns 0 on error, -1 on abort */
150 static int
151 edit_save_file (WEdit *edit, const char *filename)
152 {
153 char *p;
154 gchar *tmp;
155 long filelen = 0;
156 char *savename = 0;
157 gchar *real_filename;
158 int this_save_mode, fd = -1;
159
160 if (!filename)
161 return 0;
162 if (!*filename)
163 return 0;
164
165 if (*filename != PATH_SEP && edit->dir) {
166 real_filename = concat_dir_and_file (edit->dir, filename);
167 } else {
168 real_filename = g_strdup(filename);
169 }
170
171 this_save_mode = option_save_mode;
172 if (this_save_mode != EDIT_QUICK_SAVE) {
173 if (!vfs_file_is_local (real_filename) ||
174 (fd = mc_open (real_filename, O_RDONLY | O_BINARY)) == -1) {
175 /*
176 * The file does not exists yet, so no safe save or
177 * backup are necessary.
178 */
179 this_save_mode = EDIT_QUICK_SAVE;
180 }
181 if (fd != -1)
182 mc_close (fd);
183 }
184
185 if (this_save_mode == EDIT_QUICK_SAVE &&
186 !edit->skip_detach_prompt) {
187 int rv;
188 struct stat sb;
189
190 rv = mc_stat (real_filename, &sb);
191 if (rv == 0 && sb.st_nlink > 1) {
192 rv = edit_query_dialog3 (_("Warning"),
193 _(" File has hard-links. Detach before saving? "),
194 _("&Yes"), _("&No"), _("&Cancel"));
195 switch (rv) {
196 case 0:
197 this_save_mode = EDIT_SAFE_SAVE;
198 /* fallthrough */
199 case 1:
200 edit->skip_detach_prompt = 1;
201 break;
202 default:
203 g_free(real_filename);
204 return -1;
205 }
206 }
207
208 /* Prevent overwriting changes from other editor sessions. */
209 if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime) {
210
211 /* The default action is "Cancel". */
212 query_set_sel(1);
213
214 rv = edit_query_dialog2 (
215 _("Warning"),
216 _("The file has been modified in the meantime. Save anyway?"),
217 _("&Yes"),
218 _("&Cancel"));
219 if (rv != 0){
220 g_free(real_filename);
221 return -1;
222 }
223 }
224 }
225
226 if (this_save_mode != EDIT_QUICK_SAVE) {
227 char *savedir, *saveprefix;
228 const char *slashpos;
229 slashpos = strrchr (real_filename, PATH_SEP);
230 if (slashpos) {
231 savedir = g_strdup (real_filename);
232 savedir[slashpos - real_filename + 1] = '\0';
233 } else
234 savedir = g_strdup (".");
235 saveprefix = concat_dir_and_file (savedir, "cooledit");
236 g_free (savedir);
237 fd = mc_mkstemps (&savename, saveprefix, NULL);
238 g_free (saveprefix);
239 if (!savename){
240 g_free(real_filename);
241 return 0;
242 }
243 /* FIXME:
244 * Close for now because mc_mkstemps use pure open system call
245 * to create temporary file and it needs to be reopened by
246 * VFS-aware mc_open().
247 */
248 close (fd);
249 } else
250 savename = g_strdup (real_filename);
251
252 mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
253 mc_chmod (savename, edit->stat1.st_mode);
254
255 if ((fd =
256 mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
257 edit->stat1.st_mode)) == -1)
258 goto error_save;
259
260 /* pipe save */
261 if ((p = edit_get_write_filter (savename, real_filename))) {
262 FILE *file;
263
264 mc_close (fd);
265 file = (FILE *) popen (p, "w");
266
267 if (file) {
268 filelen = edit_write_stream (edit, file);
269 #if 1
270 pclose (file);
271 #else
272 if (pclose (file) != 0) {
273 tmp = g_strconcat (_(" Error writing to pipe: "),
274 p, " ", (char *) NULL);
275 edit_error_dialog (_("Error"), tmp);
276 g_free(tmp);
277 g_free (p);
278 goto error_save;
279 }
280 #endif
281 } else {
282 tmp = g_strconcat (_(" Cannot open pipe for writing: "),
283 p, " ", (char *) NULL);
284
285 edit_error_dialog (_("Error"),
286 get_sys_error (tmp));
287 g_free (p);
288 g_free(tmp);
289 goto error_save;
290 }
291 g_free (p);
292 } else {
293 long buf;
294 buf = 0;
295 filelen = edit->last_byte;
296 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
297 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE)
298 != EDIT_BUF_SIZE) {
299 mc_close (fd);
300 goto error_save;
301 }
302 buf++;
303 }
304 if (mc_write
305 (fd, (char *) edit->buffers1[buf],
306 edit->curs1 & M_EDIT_BUF_SIZE) !=
307 (edit->curs1 & M_EDIT_BUF_SIZE)) {
308 filelen = -1;
309 } else if (edit->curs2) {
310 edit->curs2--;
311 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
312 if (mc_write
313 (fd,
314 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
315 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
316 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) !=
317 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
318 filelen = -1;
319 } else {
320 while (--buf >= 0) {
321 if (mc_write
322 (fd, (char *) edit->buffers2[buf],
323 EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
324 filelen = -1;
325 break;
326 }
327 }
328 }
329 edit->curs2++;
330 }
331 if (mc_close (fd))
332 goto error_save;
333
334 /* Update the file information, especially the mtime. */
335 if (mc_stat (savename, &edit->stat1) == -1)
336 goto error_save;
337 }
338
339 if (filelen != edit->last_byte)
340 goto error_save;
341
342 if (this_save_mode == EDIT_DO_BACKUP) {
343 assert (option_backup_ext != NULL);
344 tmp = g_strconcat (real_filename, option_backup_ext,(char *) NULL);
345 if (mc_rename (real_filename, tmp) == -1){
346 g_free(tmp);
347 goto error_save;
348 }
349 }
350
351 if (this_save_mode != EDIT_QUICK_SAVE)
352 if (mc_rename (savename, real_filename) == -1)
353 goto error_save;
354 g_free (savename);
355 g_free(real_filename);
356 return 1;
357 error_save:
358 /* FIXME: Is this safe ?
359 * if (this_save_mode != EDIT_QUICK_SAVE)
360 * mc_unlink (savename);
361 */
362 g_free(real_filename);
363 g_free (savename);
364 return 0;
365 }
366
367 void menu_save_mode_cmd (void)
368 {
369 #define DLG_X 38
370 #define DLG_Y 10
371 static char *str_result;
372 static int save_mode_new;
373 static const char *str[] =
374 {
375 N_("Quick save "),
376 N_("Safe save "),
377 N_("Do backups -->")};
378
379 static QuickWidget widgets[] =
380 {
381 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
382 B_CANCEL, 0, 0, NULL, NULL, NULL},
383 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&OK"), 0,
384 B_ENTER, 0, 0, NULL, NULL, NULL},
385 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
386 0, 0, &str_result, "edit-backup-ext", NULL, NULL},
387 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
388 0, 0, 0, NULL, NULL, NULL},
389 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
390 0, &save_mode_new, (char **) str, NULL, NULL, NULL},
391 NULL_QuickWidget};
392 static QuickDialog dialog =
393 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
394 widgets, 0};
395 static int i18n_flag = 0;
396
397 if (!i18n_flag) {
398 size_t i;
399 size_t maxlen = 0;
400 int dlg_x;
401 size_t l1;
402
403 /* OK/Cancel buttons */
404 l1 = str_term_width1 (_(widgets[0].text)) + str_term_width1 (_(widgets[1].text)) + 5;
405 maxlen = max (maxlen, l1);
406
407 for (i = 0; i < 3; i++ ) {
408 str[i] = _(str[i]);
409 maxlen = max (maxlen, (size_t) str_term_width1 (str[i]) + 7);
410 }
411 i18n_flag = 1;
412
413 dlg_x = maxlen + str_term_width1 (_(widgets[3].text)) + 5 + 1;
414 widgets[2].hotkey_pos = str_term_width1 (_(widgets[3].text)); /* input field length */
415 dlg_x = min (COLS, dlg_x);
416 dialog.xlen = dlg_x;
417
418 i = (dlg_x - l1)/3;
419 widgets[1].relative_x = i;
420 widgets[0].relative_x = i + str_term_width1 (_(widgets[1].text)) + i + 4;
421
422 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
423
424 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
425 widgets[i].x_divisions = dlg_x;
426 }
427
428 assert (option_backup_ext != NULL);
429 widgets[2].text = option_backup_ext;
430 widgets[4].value = option_save_mode;
431 if (quick_dialog (&dialog) != B_ENTER)
432 return;
433 option_save_mode = save_mode_new;
434
435 g_free (option_backup_ext);
436 option_backup_ext = str_result;
437 str_result = NULL;
438 }
439
440 void
441 edit_set_filename (WEdit *edit, const char *f)
442 {
443 g_free (edit->filename);
444 if (!f)
445 f = "";
446 edit->filename = g_strdup (f);
447 if (edit->dir == NULL && *f != PATH_SEP)
448 #ifdef USE_VFS
449 edit->dir = g_strdup (vfs_get_current_dir ());
450 #else
451 edit->dir = g_get_current_dir ();
452 #endif
453 }
454
455 /* Here we want to warn the users of overwriting an existing file,
456 but only if they have made a change to the filename */
457 /* returns 1 on success */
458 int
459 edit_save_as_cmd (WEdit *edit)
460 {
461 /* This heads the 'Save As' dialog box */
462 char *exp;
463 int save_lock = 0;
464 int different_filename = 0;
465
466 exp = input_expand_dialog (
467 _(" Save As "), _(" Enter file name: "),MC_HISTORY_EDIT_SAVE_AS, edit->filename);
468 edit_push_action (edit, KEY_PRESS + edit->start_display);
469
470 if (exp) {
471 if (!*exp) {
472 g_free (exp);
473 edit->force |= REDRAW_COMPLETELY;
474 return 0;
475 } else {
476 int rv;
477 if (strcmp (edit->filename, exp)) {
478 int file;
479 different_filename = 1;
480 if ((file = mc_open (exp, O_RDONLY | O_BINARY)) != -1) {
481 /* the file exists */
482 mc_close (file);
483 /* Overwrite the current file or cancel the operation */
484 if (edit_query_dialog2
485 (_("Warning"),
486 _(" A file already exists with this name. "),
487 _("&Overwrite"), _("&Cancel"))) {
488 edit->force |= REDRAW_COMPLETELY;
489 g_free (exp);
490 return 0;
491 }
492 }
493 save_lock = edit_lock_file (exp);
494 } else {
495 /* filenames equal, check if already locked */
496 if (!edit->locked && !edit->delete_file)
497 save_lock = edit_lock_file (exp);
498 }
499
500 rv = edit_save_file (edit, exp);
501 switch (rv) {
502 case 1:
503 /* Succesful, so unlock both files */
504 if (different_filename) {
505 if (save_lock)
506 edit_unlock_file (exp);
507 if (edit->locked)
508 edit->locked = edit_unlock_file (edit->filename);
509 } else {
510 if (edit->locked || save_lock)
511 edit->locked = edit_unlock_file (edit->filename);
512 }
513
514 edit_set_filename (edit, exp);
515 g_free (exp);
516 edit->modified = 0;
517 edit->delete_file = 0;
518 if (different_filename)
519 edit_load_syntax (edit, NULL, option_syntax_type);
520 edit->force |= REDRAW_COMPLETELY;
521 return 1;
522 default:
523 edit_error_dialog (_(" Save As "),
524 get_sys_error (_
525 (" Cannot save file. ")));
526 /* fallthrough */
527 case -1:
528 /* Failed, so maintain modify (not save) lock */
529 if (save_lock)
530 edit_unlock_file (exp);
531 g_free (exp);
532 edit->force |= REDRAW_COMPLETELY;
533 return 0;
534 }
535 }
536 }
537 edit->force |= REDRAW_COMPLETELY;
538 return 0;
539 }
540
541 /* {{{ Macro stuff starts here */
542
543 /* creates a macro file if it doesn't exist */
544 static FILE *edit_open_macro_file (const char *r)
545 {
546 gchar *filename;
547 FILE *fd;
548 int file;
549 filename = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
550 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1){
551 g_free(filename);
552 return 0;
553 }
554 close (file);
555 fd = fopen (filename, r);
556 g_free(filename);
557 return fd;
558 }
559
560 #define MAX_MACROS 1024
561 static int saved_macro[MAX_MACROS + 1];
562 static int saved_macros_loaded = 0;
563
564 /*
565 This is just to stop the macro file be loaded over and over for keys
566 that aren't defined to anything. On slow systems this could be annoying.
567 */
568 static int
569 macro_exists (int k)
570 {
571 int i;
572 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
573 if (saved_macro[i] == k)
574 return i;
575 return -1;
576 }
577
578 /* returns 1 on error */
579 static int
580 edit_delete_macro (WEdit * edit, int k)
581 {
582 gchar *tmp, *tmp2;
583 struct macro macro[MAX_MACRO_LENGTH];
584 FILE *f, *g;
585 int s, i, n, j = 0;
586
587 (void) edit;
588
589 if (saved_macros_loaded)
590 if ((j = macro_exists (k)) < 0)
591 return 0;
592 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
593 g = fopen (tmp , "w");
594 g_free(tmp);
595 if (!g) {
596 edit_error_dialog (_(" Delete macro "),
597 get_sys_error (_(" Cannot open temp file ")));
598 return 1;
599 }
600 f = edit_open_macro_file ("r");
601 if (!f) {
602 edit_error_dialog (_(" Delete macro "),
603 get_sys_error (_(" Cannot open macro file ")));
604 fclose (g);
605 return 1;
606 }
607 for (;;) {
608 n = fscanf (f, ("key '%d 0': "), &s);
609 if (!n || n == EOF)
610 break;
611 n = 0;
612 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
613 n++;
614 fscanf (f, ";\n");
615 if (s != k) {
616 fprintf (g, ("key '%d 0': "), s);
617 for (i = 0; i < n; i++)
618 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
619 fprintf (g, ";\n");
620 }
621 }
622 fclose (f);
623 fclose (g);
624 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
625 tmp2 = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
626 if (rename ( tmp, tmp2) == -1) {
627 edit_error_dialog (_(" Delete macro "),
628 get_sys_error (_(" Cannot overwrite macro file ")));
629 g_free(tmp);
630 g_free(tmp2);
631 return 1;
632 }
633 g_free(tmp);
634 g_free(tmp2);
635
636 if (saved_macros_loaded)
637 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
638 return 0;
639 }
640
641 /* returns 0 on error */
642 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
643 {
644 FILE *f;
645 int s, i;
646
647 edit_push_action (edit, KEY_PRESS + edit->start_display);
648 s = editcmd_dialog_raw_key_query (_(" Save macro "),
649 _(" Press the macro's new hotkey: "), 1);
650 edit->force |= REDRAW_COMPLETELY;
651 if (s) {
652 if (edit_delete_macro (edit, s))
653 return 0;
654 f = edit_open_macro_file ("a+");
655 if (f) {
656 fprintf (f, ("key '%d 0': "), s);
657 for (i = 0; i < n; i++)
658 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
659 fprintf (f, ";\n");
660 fclose (f);
661 if (saved_macros_loaded) {
662 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
663 saved_macro[i] = s;
664 }
665 return 1;
666 } else
667 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
668 }
669 return 0;
670 }
671
672 void edit_delete_macro_cmd (WEdit * edit)
673 {
674 int command;
675
676 command = editcmd_dialog_raw_key_query (_ (" Delete macro "),
677 _ (" Press macro hotkey: "), 1);
678
679 if (!command)
680 return;
681
682 edit_delete_macro (edit, command);
683 }
684
685 /* return 0 on error */
686 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
687 {
688 FILE *f;
689 int s, i = 0, found = 0;
690
691 (void) edit;
692
693 if (saved_macros_loaded)
694 if (macro_exists (k) < 0)
695 return 0;
696
697 if ((f = edit_open_macro_file ("r"))) {
698 struct macro dummy;
699 do {
700 int u;
701 u = fscanf (f, ("key '%d 0': "), &s);
702 if (!u || u == EOF)
703 break;
704 if (!saved_macros_loaded)
705 saved_macro[i++] = s;
706 if (!found) {
707 *n = 0;
708 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
709 (*n)++;
710 } else {
711 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
712 }
713 fscanf (f, ";\n");
714 if (s == k)
715 found = 1;
716 } while (!found || !saved_macros_loaded);
717 if (!saved_macros_loaded) {
718 saved_macro[i] = 0;
719 saved_macros_loaded = 1;
720 }
721 fclose (f);
722 return found;
723 } else
724 edit_error_dialog (_(" Load macro "),
725 get_sys_error (_(" Cannot open macro file ")));
726 return 0;
727 }
728
729 /* }}} Macro stuff starts here */
730
731 /* returns 1 on success */
732 int edit_save_confirm_cmd (WEdit * edit)
733 {
734 gchar *f = NULL;
735
736 if (edit_confirm_save) {
737 f = g_strconcat (_(" Confirm save file? : "), edit->filename, " ", NULL);
738 if (edit_query_dialog2 (_(" Save file "), f, _("&Save"), _("&Cancel"))){
739 g_free(f);
740 return 0;
741 }
742 g_free(f);
743 }
744 return edit_save_cmd (edit);
745 }
746
747
748 /* returns 1 on success */
749 static int
750 edit_save_cmd (WEdit *edit)
751 {
752 int res, save_lock = 0;
753
754 if (!edit->locked && !edit->delete_file)
755 save_lock = edit_lock_file (edit->filename);
756 res = edit_save_file (edit, edit->filename);
757
758 /* Maintain modify (not save) lock on failure */
759 if ((res > 0 && edit->locked) || save_lock)
760 edit->locked = edit_unlock_file (edit->filename);
761
762 /* On failure try 'save as', it does locking on its own */
763 if (!res)
764 return edit_save_as_cmd (edit);
765 edit->force |= REDRAW_COMPLETELY;
766 if (res > 0) {
767 edit->delete_file = 0;
768 edit->modified = 0;
769 }
770
771 return 1;
772 }
773
774
775 /* returns 1 on success */
776 int edit_new_cmd (WEdit * edit)
777 {
778 if (edit->modified) {
779 if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("C&ontinue"), _ ("&Cancel"))) {
780 edit->force |= REDRAW_COMPLETELY;
781 return 0;
782 }
783 }
784 edit->force |= REDRAW_COMPLETELY;
785
786 return edit_renew (edit); /* if this gives an error, something has really screwed up */
787 }
788
789 /* returns 1 on error */
790 static int
791 edit_load_file_from_filename (WEdit * edit, char *exp)
792 {
793 int prev_locked = edit->locked;
794 char *prev_filename = g_strdup (edit->filename);
795
796 if (!edit_reload (edit, exp)) {
797 g_free (prev_filename);
798 return 1;
799 }
800
801 if (prev_locked)
802 edit_unlock_file (prev_filename);
803 g_free (prev_filename);
804 return 0;
805 }
806
807 static void
808 edit_load_syntax_file (WEdit * edit)
809 {
810 char *extdir;
811 int dir = 0;
812
813 if (geteuid () == 0) {
814 dir = query_dialog (_("Syntax file edit"),
815 _(" Which syntax file you want to edit? "), D_NORMAL, 2,
816 _("&User"), _("&System Wide"));
817 }
818
819 extdir = concat_dir_and_file (mc_home, "syntax" PATH_SEP_STR "Syntax");
820 if (!exist_file(extdir)) {
821 g_free (extdir);
822 extdir = concat_dir_and_file (mc_home_alt, "syntax" PATH_SEP_STR "Syntax");
823 }
824
825 if (dir == 0) {
826 char *buffer;
827
828 buffer = concat_dir_and_file (home_dir, EDIT_SYNTAX_FILE);
829 check_for_default (extdir, buffer);
830 edit_load_file_from_filename (edit, buffer);
831 g_free (buffer);
832 } else if (dir == 1)
833 edit_load_file_from_filename (edit, extdir);
834
835 g_free (extdir);
836 }
837
838 static void
839 edit_load_menu_file (WEdit * edit)
840 {
841 char *buffer;
842 char *menufile;
843 int dir = 0;
844
845 dir = query_dialog (
846 _(" Menu edit "),
847 _(" Which menu file do you want to edit? "), D_NORMAL,
848 geteuid() ? 2 : 3, _("&Local"), _("&User"), _("&System Wide")
849 );
850
851 menufile = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
852
853 if (!exist_file (menufile)) {
854 g_free (menufile);
855 menufile = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
856 }
857
858 switch (dir) {
859 case 0:
860 buffer = g_strdup (EDIT_LOCAL_MENU);
861 check_for_default (menufile, buffer);
862 chmod (buffer, 0600);
863 break;
864
865 case 1:
866 buffer = concat_dir_and_file (home_dir, EDIT_HOME_MENU);
867 check_for_default (menufile, buffer);
868 break;
869
870 case 2:
871 buffer = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
872 if (!exist_file (buffer)) {
873 g_free (buffer);
874 buffer = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
875 }
876 break;
877
878 default:
879 g_free (menufile);
880 return;
881 }
882
883 edit_load_file_from_filename (edit, buffer);
884
885 g_free (buffer);
886 g_free (menufile);
887 }
888
889 int
890 edit_load_cmd (WEdit *edit, edit_current_file_t what)
891 {
892 char *exp;
893
894 if (edit->modified
895 && (edit_query_dialog2
896 (_("Warning"),
897 _(" Current text was modified without a file save. \n"
898 " Continue discards these changes. "),
899 _("C&ontinue"), _("&Cancel")) == 1)) {
900 edit->force |= REDRAW_COMPLETELY;
901 return 0;
902 }
903
904 switch (what) {
905 case EDIT_FILE_COMMON:
906 exp = input_expand_dialog (_(" Load "), _(" Enter file name: "),
907 MC_HISTORY_EDIT_LOAD, edit->filename);
908
909 if (exp) {
910 if (*exp)
911 edit_load_file_from_filename (edit, exp);
912 g_free (exp);
913 }
914 break;
915
916 case EDIT_FILE_SYNTAX:
917 edit_load_syntax_file (edit);
918 break;
919
920 case EDIT_FILE_MENU:
921 edit_load_menu_file (edit);
922 break;
923
924 default:
925 break;
926 }
927
928 edit->force |= REDRAW_COMPLETELY;
929 return 0;
930 }
931
932 /*
933 if mark2 is -1 then marking is from mark1 to the cursor.
934 Otherwise its between the markers. This handles this.
935 Returns 1 if no text is marked.
936 */
937 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
938 {
939 if (edit->mark1 != edit->mark2) {
940 if (edit->mark2 >= 0) {
941 *start_mark = min (edit->mark1, edit->mark2);
942 *end_mark = max (edit->mark1, edit->mark2);
943 } else {
944 *start_mark = min (edit->mark1, edit->curs1);
945 *end_mark = max (edit->mark1, edit->curs1);
946 edit->column2 = edit->curs_col;
947 }
948 return 0;
949 } else {
950 *start_mark = *end_mark = 0;
951 edit->column2 = edit->column1 = 0;
952 return 1;
953 }
954 }
955
956 #define space_width 1
957
958 void
959 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
960 {
961 long cursor;
962 int i, col;
963 cursor = edit->curs1;
964 col = edit_get_col (edit);
965 for (i = 0; i < size; i++) {
966 if (data[i] == '\n') { /* fill in and move to next line */
967 int l;
968 long p;
969 if (edit_get_byte (edit, edit->curs1) != '\n') {
970 l = width - (edit_get_col (edit) - col);
971 while (l > 0) {
972 edit_insert (edit, ' ');
973 l -= space_width;
974 }
975 }
976 for (p = edit->curs1;; p++) {
977 if (p == edit->last_byte) {
978 edit_cursor_move (edit, edit->last_byte - edit->curs1);
979 edit_insert_ahead (edit, '\n');
980 p++;
981 break;
982 }
983 if (edit_get_byte (edit, p) == '\n') {
984 p++;
985 break;
986 }
987 }
988 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
989 l = col - edit_get_col (edit);
990 while (l >= space_width) {
991 edit_insert (edit, ' ');
992 l -= space_width;
993 }
994 continue;
995 }
996 edit_insert (edit, data[i]);
997 }
998 edit_cursor_move (edit, cursor - edit->curs1);
999 }
1000
1001 #define TEMP_BUF_LEN 1024
1002
1003 int
1004 edit_insert_column_of_text_from_file (WEdit * edit, int file)
1005 {
1006 long cursor;
1007 int i, col;
1008 int blocklen = -1, width;
1009 unsigned char *data;
1010 cursor = edit->curs1;
1011 col = edit_get_col (edit);
1012 data = g_malloc (TEMP_BUF_LEN);
1013 while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0) {
1014 for (width = 0; width < blocklen; width++) {
1015 if (data[width] == '\n')
1016 break;
1017 }
1018 for (i = 0; i < blocklen; i++) {
1019 if (data[i] == '\n') { /* fill in and move to next line */
1020 int l;
1021 long p;
1022 if (edit_get_byte (edit, edit->curs1) != '\n') {
1023 l = width - (edit_get_col (edit) - col);
1024 while (l > 0) {
1025 edit_insert (edit, ' ');
1026 l -= space_width;
1027 }
1028 }
1029 for (p = edit->curs1;; p++) {
1030 if (p == edit->last_byte) {
1031 edit_cursor_move (edit, edit->last_byte - edit->curs1);
1032 edit_insert_ahead (edit, '\n');
1033 p++;
1034 break;
1035 }
1036 if (edit_get_byte (edit, p) == '\n') {
1037 p++;
1038 break;
1039 }
1040 }
1041 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
1042 l = col - edit_get_col (edit);
1043 while (l >= space_width) {
1044 edit_insert (edit, ' ');
1045 l -= space_width;
1046 }
1047 continue;
1048 }
1049 edit_insert (edit, data[i]);
1050 }
1051 }
1052 edit_cursor_move (edit, cursor - edit->curs1);
1053 g_free(data);
1054 edit->force |= REDRAW_PAGE;
1055 return blocklen;
1056 }
1057
1058 void
1059 edit_block_copy_cmd (WEdit *edit)
1060 {
1061 long start_mark, end_mark, current = edit->curs1;
1062 int size;
1063 unsigned char *copy_buf;
1064
1065 edit_update_curs_col (edit);
1066 if (eval_marks (edit, &start_mark, &end_mark))
1067 return;
1068
1069 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1070
1071 /* all that gets pushed are deletes hence little space is used on the stack */
1072
1073 edit_push_markers (edit);
1074
1075 if (column_highlighting) {
1076 edit_insert_column_of_text (edit, copy_buf, size,
1077 abs (edit->column2 - edit->column1));
1078 } else {
1079 while (size--)
1080 edit_insert_ahead (edit, copy_buf[size]);
1081 }
1082
1083 g_free (copy_buf);
1084 edit_scroll_screen_over_cursor (edit);
1085
1086 if (column_highlighting) {
1087 edit_set_markers (edit, 0, 0, 0, 0);
1088 edit_push_action (edit, COLUMN_ON);
1089 column_highlighting = 0;
1090 } else if (start_mark < current && end_mark > current)
1091 edit_set_markers (edit, start_mark,
1092 end_mark + end_mark - start_mark, 0, 0);
1093
1094 edit->force |= REDRAW_PAGE;
1095 }
1096
1097
1098 void
1099 edit_block_move_cmd (WEdit *edit)
1100 {
1101 long count;
1102 long current;
1103 unsigned char *copy_buf;
1104 long start_mark, end_mark;
1105 int deleted = 0;
1106 int x = 0;
1107
1108 if (eval_marks (edit, &start_mark, &end_mark))
1109 return;
1110 if (column_highlighting) {
1111 edit_update_curs_col (edit);
1112 x = edit->curs_col;
1113 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1114 if ((x > edit->column1 && x < edit->column2)
1115 || (x > edit->column2 && x < edit->column1))
1116 return;
1117 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1118 return;
1119
1120 if ((end_mark - start_mark) > option_max_undo / 2)
1121 if (edit_query_dialog2
1122 (_("Warning"),
1123 _
1124 (" Block is large, you may not be able to undo this action. "),
1125 _("C&ontinue"), _("&Cancel")))
1126 return;
1127
1128 edit_push_markers (edit);
1129 current = edit->curs1;
1130 if (column_highlighting) {
1131 int size, c1, c2, line;
1132 line = edit->curs_line;
1133 if (edit->mark2 < 0)
1134 edit_mark_cmd (edit, 0);
1135 c1 = min (edit->column1, edit->column2);
1136 c2 = max (edit->column1, edit->column2);
1137 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1138 if (x < c2) {
1139 edit_block_delete_cmd (edit);
1140 deleted = 1;
1141 }
1142 edit_move_to_line (edit, line);
1143 edit_cursor_move (edit,
1144 edit_move_forward3 (edit,
1145 edit_bol (edit, edit->curs1),
1146 x, 0) - edit->curs1);
1147 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
1148 if (!deleted) {
1149 line = edit->curs_line;
1150 edit_update_curs_col (edit);
1151 x = edit->curs_col;
1152 edit_block_delete_cmd (edit);
1153 edit_move_to_line (edit, line);
1154 edit_cursor_move (edit,
1155 edit_move_forward3 (edit,
1156 edit_bol (edit,
1157 edit->curs1),
1158 x, 0) - edit->curs1);
1159 }
1160 edit_set_markers (edit, 0, 0, 0, 0);
1161 edit_push_action (edit, COLUMN_ON);
1162 column_highlighting = 0;
1163 } else {
1164 copy_buf = g_malloc (end_mark - start_mark);
1165 edit_cursor_move (edit, start_mark - edit->curs1);
1166 edit_scroll_screen_over_cursor (edit);
1167 count = start_mark;
1168 while (count < end_mark) {
1169 copy_buf[end_mark - count - 1] = edit_delete (edit, 1);
1170 count++;
1171 }
1172 edit_scroll_screen_over_cursor (edit);
1173 edit_cursor_move (edit,
1174 current - edit->curs1 -
1175 (((current - edit->curs1) >
1176 0) ? end_mark - start_mark : 0));
1177 edit_scroll_screen_over_cursor (edit);
1178 while (count-- > start_mark)
1179 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
1180 edit_set_markers (edit, edit->curs1,
1181 edit->curs1 + end_mark - start_mark, 0, 0);
1182 }
1183 edit_scroll_screen_over_cursor (edit);
1184 g_free (copy_buf);
1185 edit->force |= REDRAW_PAGE;
1186 }
1187
1188 static void
1189 edit_delete_column_of_text (WEdit * edit)
1190 {
1191 long p, q, r, m1, m2;
1192 int b, c, d;
1193 int n;
1194
1195 eval_marks (edit, &m1, &m2);
1196 n = edit_move_forward (edit, m1, 0, m2) + 1;
1197 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
1198 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
1199
1200 b = min (c, d);
1201 c = max (c, d);
1202
1203 while (n--) {
1204 r = edit_bol (edit, edit->curs1);
1205 p = edit_move_forward3 (edit, r, b, 0);
1206 q = edit_move_forward3 (edit, r, c, 0);
1207 if (p < m1)
1208 p = m1;
1209 if (q > m2)
1210 q = m2;
1211 edit_cursor_move (edit, p - edit->curs1);
1212 while (q > p) { /* delete line between margins */
1213 if (edit_get_byte (edit, edit->curs1) != '\n')
1214 edit_delete (edit, 1);
1215 q--;
1216 }
1217 if (n) /* move to next line except on the last delete */
1218 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
1219 }
1220 }
1221
1222 /* if success return 0 */
1223 static int
1224 edit_block_delete (WEdit *edit)
1225 {
1226 long count;
1227 long start_mark, end_mark;
1228 if (eval_marks (edit, &start_mark, &end_mark))
1229 return 0;
1230 if (column_highlighting && edit->mark2 < 0)
1231 edit_mark_cmd (edit, 0);
1232 if ((end_mark - start_mark) > option_max_undo / 2) {
1233 /* Warning message with a query to continue or cancel the operation */
1234 if (edit_query_dialog2
1235 (_("Warning"),
1236 _
1237 (" Block is large, you may not be able to undo this action. "),
1238 _("C&ontinue"), _("&Cancel"))) {
1239 return 1;
1240 }
1241 }
1242 edit_push_markers (edit);
1243 edit_cursor_move (edit, start_mark - edit->curs1);
1244 edit_scroll_screen_over_cursor (edit);
1245 count = start_mark;
1246 if (start_mark < end_mark) {
1247 if (column_highlighting) {
1248 if (edit->mark2 < 0)
1249 edit_mark_cmd (edit, 0);
1250 edit_delete_column_of_text (edit);
1251 } else {
1252 while (count < end_mark) {
1253 edit_delete (edit, 1);
1254 count++;
1255 }
1256 }
1257 }
1258 edit_set_markers (edit, 0, 0, 0, 0);
1259 edit->force |= REDRAW_PAGE;
1260 return 0;
1261 }
1262
1263 /* returns 1 if canceelled by user */
1264 int edit_block_delete_cmd (WEdit * edit)
1265 {
1266 long start_mark, end_mark;
1267 if (eval_marks (edit, &start_mark, &end_mark)) {
1268 edit_delete_line (edit);
1269 return 0;
1270 }
1271 return edit_block_delete (edit);
1272 }
1273
1274 #define INPUT_INDEX 9
1275
1276 static gboolean
1277 editcmd_find (WEdit *edit, gsize *len)
1278 {
1279 gsize search_start = edit->search_start;
1280 gsize search_end;
1281
1282 if (edit->replace_backwards) {
1283 search_end = edit->curs1-1;
1284 while ((int) search_start >= 0) {
1285 if (search_end - search_start > edit->search->original_len && mc_search_is_fixed_search_str(edit->search))
1286 search_end = search_start + edit->search->original_len +1;
1287 if ( mc_search_run(edit->search, (void *) edit, search_start, search_end, len))
1288 {
1289 return TRUE;
1290 }
1291 search_start--;
1292 }
1293 edit->search->error_str = g_strdup(_(" Search string not found "));
1294 } else {
1295 return mc_search_run(edit->search, (void *) edit, edit->search_start, edit->last_byte, len);
1296 }
1297 return FALSE;
1298 }
1299
1300
1301 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1302 (and the above) routines to work properly - paul */
1303
1304 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1305
1306 static char *
1307 edit_replace_cmd__conv_to_display(char *str)
1308 {
1309 #ifdef HAVE_CHARSET
1310 GString *tmp;
1311 tmp = str_convert_to_display (str);
1312
1313 if (tmp && tmp->len){
1314 g_free(str);
1315 str = tmp->str;
1316 }
1317 g_string_free (tmp, FALSE);
1318 return str;
1319 #else
1320 return g_strdup(str);
1321 #endif
1322 }
1323
1324 static char *
1325 edit_replace_cmd__conv_to_input(char *str)
1326 {
1327 #ifdef HAVE_CHARSET
1328 GString *tmp;
1329 tmp = str_convert_to_input (str);
1330
1331 if (tmp && tmp->len){
1332 g_free(str);
1333 str = tmp->str;
1334 }
1335 g_string_free (tmp, FALSE);
1336 return str;
1337 #else
1338 return g_strdup(str);
1339 #endif
1340 }
1341 /* call with edit = 0 before shutdown to close memory leaks */
1342 void
1343 edit_replace_cmd (WEdit *edit, int again)
1344 {
1345 /* 1 = search string, 2 = replace with */
1346 static char *saved1 = NULL; /* saved default[123] */
1347 static char *saved2 = NULL;
1348 char *input1 = NULL; /* user input from the dialog */
1349 char *input2 = NULL;
1350 char *str_for_prompt_dialog = NULL;
1351 int replace_yes;
1352 long times_replaced = 0, last_search;
1353 gboolean once_found = FALSE;
1354
1355 if (!edit) {
1356 g_free (saved1), saved1 = NULL;
1357 g_free (saved2), saved2 = NULL;
1358 return;
1359 }
1360
1361 last_search = edit->last_byte;
1362
1363 edit->force |= REDRAW_COMPLETELY;
1364
1365 if (again && !saved1 && !saved2)
1366 again = 0;
1367
1368 if (again) {
1369 input1 = g_strdup (saved1 ? saved1 : "");
1370 input2 = g_strdup (saved2 ? saved2 : "");
1371 } else {
1372 char *disp1 = edit_replace_cmd__conv_to_display(g_strdup (saved1 ? saved1 : ""));
1373 char *disp2 = edit_replace_cmd__conv_to_display(g_strdup (saved2 ? saved2 : ""));
1374
1375 edit_push_action (edit, KEY_PRESS + edit->start_display);
1376
1377 editcmd_dialog_replace_show (edit, disp1, disp2, &input1, &input2 );
1378
1379 g_free (disp1);
1380 g_free (disp2);
1381
1382 str_for_prompt_dialog = g_strdup(input2);
1383
1384 if (input1 == NULL || *input1 == '\0') {
1385 edit->force = REDRAW_COMPLETELY;
1386 goto cleanup;
1387 }
1388
1389 input1 = edit_replace_cmd__conv_to_input(input1);
1390 input2 = edit_replace_cmd__conv_to_input(input2);
1391
1392 g_free (saved1), saved1 = g_strdup (input1);
1393 g_free (saved2), saved2 = g_strdup (input2);
1394
1395 if (edit->search)
1396 {
1397 mc_search_free(edit->search);
1398 edit->search = NULL;
1399 }
1400 }
1401
1402 if (!edit->search)
1403 {
1404 edit->search = mc_search_new(input1, -1);
1405 if (edit->search == NULL)
1406 {
1407 edit->search_start = edit->curs1;
1408 return;
1409 }
1410 edit->search->search_type = edit->search_type;
1411 edit->search->is_all_charsets = edit->all_codepages;
1412 edit->search->is_case_sentitive = edit->replace_case;
1413 edit->search->search_fn = edit_search_cmd_callback;
1414 }
1415
1416 if (edit->found_len && edit->search_start == edit->found_start + 1
1417 && edit->replace_backwards)
1418 edit->search_start--;
1419
1420 if (edit->found_len && edit->search_start == edit->found_start - 1
1421 && !edit->replace_backwards)
1422 edit->search_start++;
1423
1424 do {
1425 gsize len = 0;
1426 long new_start;
1427
1428 if (! editcmd_find(edit, &len))
1429 {
1430 if (!(edit->search->error == MC_SEARCH_E_OK || (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND)))
1431 {
1432 edit_error_dialog (_ ("Search"), edit->search->error_str);
1433 }
1434 break;
1435 }
1436 once_found = TRUE;
1437 new_start = edit->search->normal_offset;
1438
1439 edit->search_start = new_start = edit->search->normal_offset;
1440 /*returns negative on not found or error in pattern */
1441
1442 if (edit->search_start >= 0) {
1443 int i;
1444
1445 edit->found_start = edit->search_start;
1446 i = edit->found_len = len;
1447
1448 edit_cursor_move (edit, edit->search_start - edit->curs1);
1449 edit_scroll_screen_over_cursor (edit);
1450
1451 replace_yes = 1;
1452
1453 if (edit->replace_mode==0) {
1454 int l;
1455 l = edit->curs_row - edit->num_widget_lines / 3;
1456 if (l > 0)
1457 edit_scroll_downward (edit, l);
1458 if (l < 0)
1459 edit_scroll_upward (edit, -l);
1460
1461 edit_scroll_screen_over_cursor (edit);
1462 edit->force |= REDRAW_PAGE;
1463 edit_render_keypress (edit);
1464
1465 /*so that undo stops at each query */
1466 edit_push_key_press (edit);
1467
1468 switch (editcmd_dialog_replace_prompt_show (edit, str_for_prompt_dialog, /* and prompt 2/3 down */
1469 -1,
1470 -1)) {
1471 case B_ENTER:
1472 break;
1473 case B_SKIP_REPLACE:
1474 replace_yes = 0;
1475 break;
1476 case B_REPLACE_ALL:
1477 edit->replace_mode=1;
1478 break;
1479 case B_REPLACE_ONE:
1480 break;
1481 case B_CANCEL:
1482 replace_yes = 0;
1483 break;
1484 }
1485 }
1486 if (replace_yes) { /* delete then insert new */
1487 GString *repl_str, *tmp_str;
1488 tmp_str = g_string_new(input2);
1489
1490 repl_str = mc_search_prepare_replace_str (edit->search, tmp_str);
1491 g_string_free(tmp_str, TRUE);
1492 if (edit->search->error != MC_SEARCH_E_OK)
1493 {
1494 edit_error_dialog (_ ("Replace"), edit->search->error_str);
1495 break;
1496 }
1497
1498 while (i--)
1499 edit_delete (edit, 1);
1500
1501 while (++i < repl_str->len)
1502 edit_insert (edit, repl_str->str[i]);
1503
1504 g_string_free(repl_str, TRUE);
1505 edit->found_len = i;
1506 }
1507 /* so that we don't find the same string again */
1508 if (edit->replace_backwards) {
1509 last_search = edit->search_start;
1510 edit->search_start--;
1511 } else {
1512 edit->search_start += i;
1513 last_search = edit->last_byte;
1514 }
1515 edit_scroll_screen_over_cursor (edit);
1516 } else {
1517 const char *msg = _(" Replace ");
1518 /* try and find from right here for next search */
1519 edit->search_start = edit->curs1;
1520 edit_update_curs_col (edit);
1521
1522 edit->force |= REDRAW_PAGE;
1523 edit_render_keypress (edit);
1524 if (times_replaced) {
1525 message (D_NORMAL, msg, _(" %ld replacements made. "),
1526 times_replaced);
1527 } else
1528 query_dialog (msg, _(" Search string not found "),
1529 D_NORMAL, 1, _("&OK"));
1530 edit->replace_mode = -1;
1531 }
1532 } while (edit->replace_mode >0);
1533
1534 edit->force = REDRAW_COMPLETELY;
1535 edit_scroll_screen_over_cursor (edit);
1536 cleanup:
1537 g_free (str_for_prompt_dialog);
1538 g_free (input1);
1539 g_free (input2);
1540 }
1541
1542
1543 void edit_search_cmd (WEdit * edit, int again)
1544 {
1545 char *search_string = NULL, *search_string_dup = NULL;
1546
1547 gsize len = 0;
1548
1549 if (!edit)
1550 return;
1551
1552 if (edit->search != NULL)
1553 search_string_dup = search_string = g_strndup(edit->search->original, edit->search->original_len);
1554
1555 if (!again)
1556 {
1557 #ifdef HAVE_CHARSET
1558 GString *tmp;
1559 if (search_string && *search_string)
1560 {
1561 tmp = str_convert_to_display (search_string);
1562
1563 g_free(search_string_dup);
1564 search_string_dup = NULL;
1565
1566 if (tmp && tmp->len)
1567 search_string = search_string_dup = tmp->str;
1568 g_string_free (tmp, FALSE);
1569 }
1570 #endif /* HAVE_CHARSET */
1571 editcmd_dialog_search_show (edit, &search_string);
1572 #ifdef HAVE_CHARSET
1573 if (search_string && *search_string)
1574 {
1575 tmp = str_convert_to_input (search_string);
1576 if (tmp && tmp->len)
1577 search_string = tmp->str;
1578
1579 g_string_free (tmp, FALSE);
1580
1581 if (search_string_dup)
1582 g_free(search_string_dup);
1583 }
1584 #endif /* HAVE_CHARSET */
1585
1586 edit_push_action (edit, KEY_PRESS + edit->start_display);
1587
1588 if (!search_string)
1589 {
1590 edit->force |= REDRAW_COMPLETELY;
1591 edit_scroll_screen_over_cursor (edit);
1592 return;
1593 }
1594
1595 if (edit->search)
1596 {
1597 mc_search_free(edit->search);
1598 edit->search = NULL;
1599 }
1600 }
1601
1602 if (!edit->search)
1603 {
1604 edit->search = mc_search_new(search_string, -1);
1605 if (edit->search == NULL)
1606 {
1607 edit->search_start = edit->curs1;
1608 return;
1609 }
1610 edit->search->search_type = edit->search_type;
1611 edit->search->is_all_charsets = edit->all_codepages;
1612 edit->search->is_case_sentitive = edit->replace_case;
1613 edit->search->search_fn = edit_search_cmd_callback;
1614 }
1615
1616 if (search_create_bookmark)
1617 {
1618 edit_search_cmd_search_create_bookmark(edit);
1619 }
1620 else
1621 {
1622 if (edit->found_len && edit->search_start == edit->found_start + 1 && edit->replace_backwards)
1623 edit->search_start--;
1624
1625 if (edit->found_len && edit->search_start == edit->found_start - 1 && !edit->replace_backwards)
1626 edit->search_start++;
1627
1628
1629 if (editcmd_find(edit, &len))
1630 {
1631 edit->found_start = edit->search_start = edit->search->normal_offset;
1632 edit->found_len = len;
1633
1634 edit_cursor_move (edit, edit->search_start - edit->curs1);
1635 edit_scroll_screen_over_cursor (edit);
1636 if (edit->replace_backwards)
1637 edit->search_start--;
1638 else
1639 edit->search_start++;
1640 }
1641 else
1642 {
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 /*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