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view.c: made compilable.
[midnight-commander.git] / edit / editcmd.c
blob82f68eaeacbb19774a235c6d5c8ff36228176a83
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"
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
127 edit_refresh_cmd (WEdit * edit)
128 {
129 #ifdef HAVE_SLANG
130 int color;
131
132 edit_get_syntax_color (edit, -1, &color);
133 tty_touch_screen ();
134 mc_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 } else {
494 edit->stat1.st_mode |= S_IWUSR;
495 }
496 save_lock = edit_lock_file (exp);
497 } else {
498 /* filenames equal, check if already locked */
499 if (!edit->locked && !edit->delete_file)
500 save_lock = edit_lock_file (exp);
501 }
502
503 if (different_filename)
504 {
505 /*
506 * Allow user to write into saved (under another name) file
507 * even if original file had r/o user permissions.
508 */
509 edit->stat1.st_mode |= S_IWRITE;
510 }
511
512 rv = edit_save_file (edit, exp);
513 switch (rv) {
514 case 1:
515 /* Succesful, so unlock both files */
516 if (different_filename) {
517 if (save_lock)
518 edit_unlock_file (exp);
519 if (edit->locked)
520 edit->locked = edit_unlock_file (edit->filename);
521 } else {
522 if (edit->locked || save_lock)
523 edit->locked = edit_unlock_file (edit->filename);
524 }
525
526 edit_set_filename (edit, exp);
527 g_free (exp);
528 edit->modified = 0;
529 edit->delete_file = 0;
530 if (different_filename)
531 edit_load_syntax (edit, NULL, option_syntax_type);
532 edit->force |= REDRAW_COMPLETELY;
533 return 1;
534 default:
535 edit_error_dialog (_(" Save As "),
536 get_sys_error (_
537 (" Cannot save file. ")));
538 /* fallthrough */
539 case -1:
540 /* Failed, so maintain modify (not save) lock */
541 if (save_lock)
542 edit_unlock_file (exp);
543 g_free (exp);
544 edit->force |= REDRAW_COMPLETELY;
545 return 0;
546 }
547 }
548 }
549 edit->force |= REDRAW_COMPLETELY;
550 return 0;
551 }
552
553 /* {{{ Macro stuff starts here */
554
555 /* creates a macro file if it doesn't exist */
556 static FILE *edit_open_macro_file (const char *r)
557 {
558 gchar *filename;
559 FILE *fd;
560 int file;
561 filename = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
562 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1){
563 g_free(filename);
564 return 0;
565 }
566 close (file);
567 fd = fopen (filename, r);
568 g_free(filename);
569 return fd;
570 }
571
572 #define MAX_MACROS 1024
573 static int saved_macro[MAX_MACROS + 1];
574 static int saved_macros_loaded = 0;
575
576 /*
577 This is just to stop the macro file be loaded over and over for keys
578 that aren't defined to anything. On slow systems this could be annoying.
579 */
580 static int
581 macro_exists (int k)
582 {
583 int i;
584 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
585 if (saved_macro[i] == k)
586 return i;
587 return -1;
588 }
589
590 /* returns 1 on error */
591 static int
592 edit_delete_macro (WEdit * edit, int k)
593 {
594 gchar *tmp, *tmp2;
595 struct macro macro[MAX_MACRO_LENGTH];
596 FILE *f, *g;
597 int s, i, n, j = 0;
598
599 (void) edit;
600
601 if (saved_macros_loaded)
602 if ((j = macro_exists (k)) < 0)
603 return 0;
604 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
605 g = fopen (tmp , "w");
606 g_free(tmp);
607 if (!g) {
608 edit_error_dialog (_(" Delete macro "),
609 get_sys_error (_(" Cannot open temp file ")));
610 return 1;
611 }
612 f = edit_open_macro_file ("r");
613 if (!f) {
614 edit_error_dialog (_(" Delete macro "),
615 get_sys_error (_(" Cannot open macro file ")));
616 fclose (g);
617 return 1;
618 }
619 for (;;) {
620 n = fscanf (f, ("key '%d 0': "), &s);
621 if (!n || n == EOF)
622 break;
623 n = 0;
624 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
625 n++;
626 fscanf (f, ";\n");
627 if (s != k) {
628 fprintf (g, ("key '%d 0': "), s);
629 for (i = 0; i < n; i++)
630 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
631 fprintf (g, ";\n");
632 }
633 }
634 fclose (f);
635 fclose (g);
636 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
637 tmp2 = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
638 if (rename ( tmp, tmp2) == -1) {
639 edit_error_dialog (_(" Delete macro "),
640 get_sys_error (_(" Cannot overwrite macro file ")));
641 g_free(tmp);
642 g_free(tmp2);
643 return 1;
644 }
645 g_free(tmp);
646 g_free(tmp2);
647
648 if (saved_macros_loaded)
649 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
650 return 0;
651 }
652
653 /* returns 0 on error */
654 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
655 {
656 FILE *f;
657 int s, i;
658
659 edit_push_action (edit, KEY_PRESS + edit->start_display);
660 s = editcmd_dialog_raw_key_query (_(" Save macro "),
661 _(" Press the macro's new hotkey: "), 1);
662 edit->force |= REDRAW_COMPLETELY;
663 if (s) {
664 if (edit_delete_macro (edit, s))
665 return 0;
666 f = edit_open_macro_file ("a+");
667 if (f) {
668 fprintf (f, ("key '%d 0': "), s);
669 for (i = 0; i < n; i++)
670 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
671 fprintf (f, ";\n");
672 fclose (f);
673 if (saved_macros_loaded) {
674 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
675 saved_macro[i] = s;
676 }
677 return 1;
678 } else
679 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
680 }
681 return 0;
682 }
683
684 void edit_delete_macro_cmd (WEdit * edit)
685 {
686 int command;
687
688 command = editcmd_dialog_raw_key_query (_ (" Delete macro "),
689 _ (" Press macro hotkey: "), 1);
690
691 if (!command)
692 return;
693
694 edit_delete_macro (edit, command);
695 }
696
697 /* return 0 on error */
698 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
699 {
700 FILE *f;
701 int s, i = 0, found = 0;
702
703 (void) edit;
704
705 if (saved_macros_loaded)
706 if (macro_exists (k) < 0)
707 return 0;
708
709 if ((f = edit_open_macro_file ("r"))) {
710 struct macro dummy;
711 do {
712 int u;
713 u = fscanf (f, ("key '%d 0': "), &s);
714 if (!u || u == EOF)
715 break;
716 if (!saved_macros_loaded)
717 saved_macro[i++] = s;
718 if (!found) {
719 *n = 0;
720 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
721 (*n)++;
722 } else {
723 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
724 }
725 fscanf (f, ";\n");
726 if (s == k)
727 found = 1;
728 } while (!found || !saved_macros_loaded);
729 if (!saved_macros_loaded) {
730 saved_macro[i] = 0;
731 saved_macros_loaded = 1;
732 }
733 fclose (f);
734 return found;
735 } else
736 edit_error_dialog (_(" Load macro "),
737 get_sys_error (_(" Cannot open macro file ")));
738 return 0;
739 }
740
741 /* }}} Macro stuff starts here */
742
743 /* returns 1 on success */
744 int edit_save_confirm_cmd (WEdit * edit)
745 {
746 gchar *f = NULL;
747
748 if (edit_confirm_save) {
749 f = g_strconcat (_(" Confirm save file? : "), edit->filename, " ", NULL);
750 if (edit_query_dialog2 (_(" Save file "), f, _("&Save"), _("&Cancel"))){
751 g_free(f);
752 return 0;
753 }
754 g_free(f);
755 }
756 return edit_save_cmd (edit);
757 }
758
759
760 /* returns 1 on success */
761 static int
762 edit_save_cmd (WEdit *edit)
763 {
764 int res, save_lock = 0;
765
766 if (!edit->locked && !edit->delete_file)
767 save_lock = edit_lock_file (edit->filename);
768 res = edit_save_file (edit, edit->filename);
769
770 /* Maintain modify (not save) lock on failure */
771 if ((res > 0 && edit->locked) || save_lock)
772 edit->locked = edit_unlock_file (edit->filename);
773
774 /* On failure try 'save as', it does locking on its own */
775 if (!res)
776 return edit_save_as_cmd (edit);
777 edit->force |= REDRAW_COMPLETELY;
778 if (res > 0) {
779 edit->delete_file = 0;
780 edit->modified = 0;
781 }
782
783 return 1;
784 }
785
786
787 /* returns 1 on success */
788 int edit_new_cmd (WEdit * edit)
789 {
790 if (edit->modified) {
791 if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("C&ontinue"), _ ("&Cancel"))) {
792 edit->force |= REDRAW_COMPLETELY;
793 return 0;
794 }
795 }
796 edit->force |= REDRAW_COMPLETELY;
797
798 return edit_renew (edit); /* if this gives an error, something has really screwed up */
799 }
800
801 /* returns 1 on error */
802 static int
803 edit_load_file_from_filename (WEdit * edit, char *exp)
804 {
805 int prev_locked = edit->locked;
806 char *prev_filename = g_strdup (edit->filename);
807
808 if (!edit_reload (edit, exp)) {
809 g_free (prev_filename);
810 return 1;
811 }
812
813 if (prev_locked)
814 edit_unlock_file (prev_filename);
815 g_free (prev_filename);
816 return 0;
817 }
818
819 static void
820 edit_load_syntax_file (WEdit * edit)
821 {
822 char *extdir;
823 int dir = 0;
824
825 if (geteuid () == 0) {
826 dir = query_dialog (_("Syntax file edit"),
827 _(" Which syntax file you want to edit? "), D_NORMAL, 2,
828 _("&User"), _("&System Wide"));
829 }
830
831 extdir = concat_dir_and_file (mc_home, "syntax" PATH_SEP_STR "Syntax");
832 if (!exist_file(extdir)) {
833 g_free (extdir);
834 extdir = concat_dir_and_file (mc_home_alt, "syntax" PATH_SEP_STR "Syntax");
835 }
836
837 if (dir == 0) {
838 char *buffer;
839
840 buffer = concat_dir_and_file (home_dir, EDIT_SYNTAX_FILE);
841 check_for_default (extdir, buffer);
842 edit_load_file_from_filename (edit, buffer);
843 g_free (buffer);
844 } else if (dir == 1)
845 edit_load_file_from_filename (edit, extdir);
846
847 g_free (extdir);
848 }
849
850 static void
851 edit_load_menu_file (WEdit * edit)
852 {
853 char *buffer;
854 char *menufile;
855 int dir = 0;
856
857 dir = query_dialog (
858 _(" Menu edit "),
859 _(" Which menu file do you want to edit? "), D_NORMAL,
860 geteuid() ? 2 : 3, _("&Local"), _("&User"), _("&System Wide")
861 );
862
863 menufile = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
864
865 if (!exist_file (menufile)) {
866 g_free (menufile);
867 menufile = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
868 }
869
870 switch (dir) {
871 case 0:
872 buffer = g_strdup (EDIT_LOCAL_MENU);
873 check_for_default (menufile, buffer);
874 chmod (buffer, 0600);
875 break;
876
877 case 1:
878 buffer = concat_dir_and_file (home_dir, EDIT_HOME_MENU);
879 check_for_default (menufile, buffer);
880 break;
881
882 case 2:
883 buffer = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
884 if (!exist_file (buffer)) {
885 g_free (buffer);
886 buffer = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
887 }
888 break;
889
890 default:
891 g_free (menufile);
892 return;
893 }
894
895 edit_load_file_from_filename (edit, buffer);
896
897 g_free (buffer);
898 g_free (menufile);
899 }
900
901 int
902 edit_load_cmd (WEdit *edit, edit_current_file_t what)
903 {
904 char *exp;
905
906 if (edit->modified
907 && (edit_query_dialog2
908 (_("Warning"),
909 _(" Current text was modified without a file save. \n"
910 " Continue discards these changes. "),
911 _("C&ontinue"), _("&Cancel")) == 1)) {
912 edit->force |= REDRAW_COMPLETELY;
913 return 0;
914 }
915
916 switch (what) {
917 case EDIT_FILE_COMMON:
918 exp = input_expand_dialog (_(" Load "), _(" Enter file name: "),
919 MC_HISTORY_EDIT_LOAD, edit->filename);
920
921 if (exp) {
922 if (*exp)
923 edit_load_file_from_filename (edit, exp);
924 g_free (exp);
925 }
926 break;
927
928 case EDIT_FILE_SYNTAX:
929 edit_load_syntax_file (edit);
930 break;
931
932 case EDIT_FILE_MENU:
933 edit_load_menu_file (edit);
934 break;
935
936 default:
937 break;
938 }
939
940 edit->force |= REDRAW_COMPLETELY;
941 return 0;
942 }
943
944 /*
945 if mark2 is -1 then marking is from mark1 to the cursor.
946 Otherwise its between the markers. This handles this.
947 Returns 1 if no text is marked.
948 */
949 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
950 {
951 if (edit->mark1 != edit->mark2) {
952 if (edit->mark2 >= 0) {
953 *start_mark = min (edit->mark1, edit->mark2);
954 *end_mark = max (edit->mark1, edit->mark2);
955 } else {
956 *start_mark = min (edit->mark1, edit->curs1);
957 *end_mark = max (edit->mark1, edit->curs1);
958 edit->column2 = edit->curs_col + edit->over_col;
959 }
960 return 0;
961 } else {
962 *start_mark = *end_mark = 0;
963 edit->column2 = edit->column1 = 0;
964 return 1;
965 }
966 }
967
968 #define space_width 1
969
970 void
971 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
972 {
973 long cursor;
974 int i, col;
975 cursor = edit->curs1;
976 col = edit_get_col (edit);
977 for (i = 0; i < size; i++) {
978 if (data[i] == '\n') { /* fill in and move to next line */
979 int l;
980 long p;
981 if (edit_get_byte (edit, edit->curs1) != '\n') {
982 l = width - (edit_get_col (edit) - col);
983 while (l > 0) {
984 edit_insert (edit, ' ');
985 l -= space_width;
986 }
987 }
988 for (p = edit->curs1;; p++) {
989 if (p == edit->last_byte) {
990 edit_cursor_move (edit, edit->last_byte - edit->curs1);
991 edit_insert_ahead (edit, '\n');
992 p++;
993 break;
994 }
995 if (edit_get_byte (edit, p) == '\n') {
996 p++;
997 break;
998 }
999 }
1000 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
1001 l = col - edit_get_col (edit);
1002 while (l >= space_width) {
1003 edit_insert (edit, ' ');
1004 l -= space_width;
1005 }
1006 continue;
1007 }
1008 edit_insert (edit, data[i]);
1009 }
1010 edit_cursor_move (edit, cursor - edit->curs1);
1011 }
1012
1013 #define TEMP_BUF_LEN 1024
1014
1015 int
1016 edit_insert_column_of_text_from_file (WEdit * edit, int file)
1017 {
1018 long cursor;
1019 int i, col;
1020 int blocklen = -1, width;
1021 unsigned char *data;
1022 cursor = edit->curs1;
1023 col = edit_get_col (edit);
1024 data = g_malloc (TEMP_BUF_LEN);
1025 while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0) {
1026 for (width = 0; width < blocklen; width++) {
1027 if (data[width] == '\n')
1028 break;
1029 }
1030 for (i = 0; i < blocklen; i++) {
1031 if (data[i] == '\n') { /* fill in and move to next line */
1032 int l;
1033 long p;
1034 if (edit_get_byte (edit, edit->curs1) != '\n') {
1035 l = width - (edit_get_col (edit) - col);
1036 while (l > 0) {
1037 edit_insert (edit, ' ');
1038 l -= space_width;
1039 }
1040 }
1041 for (p = edit->curs1;; p++) {
1042 if (p == edit->last_byte) {
1043 edit_cursor_move (edit, edit->last_byte - edit->curs1);
1044 edit_insert_ahead (edit, '\n');
1045 p++;
1046 break;
1047 }
1048 if (edit_get_byte (edit, p) == '\n') {
1049 p++;
1050 break;
1051 }
1052 }
1053 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
1054 l = col - edit_get_col (edit);
1055 while (l >= space_width) {
1056 edit_insert (edit, ' ');
1057 l -= space_width;
1058 }
1059 continue;
1060 }
1061 edit_insert (edit, data[i]);
1062 }
1063 }
1064 edit_cursor_move (edit, cursor - edit->curs1);
1065 g_free(data);
1066 edit->force |= REDRAW_PAGE;
1067 return blocklen;
1068 }
1069
1070 void
1071 edit_block_copy_cmd (WEdit *edit)
1072 {
1073 long start_mark, end_mark, current = edit->curs1;
1074 int size;
1075 unsigned char *copy_buf;
1076
1077 edit_update_curs_col (edit);
1078 if (eval_marks (edit, &start_mark, &end_mark))
1079 return;
1080
1081 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1082
1083 /* all that gets pushed are deletes hence little space is used on the stack */
1084
1085 edit_push_markers (edit);
1086
1087 if (column_highlighting) {
1088 edit_insert_column_of_text (edit, copy_buf, size,
1089 abs (edit->column2 - edit->column1));
1090 } else {
1091 while (size--)
1092 edit_insert_ahead (edit, copy_buf[size]);
1093 }
1094
1095 g_free (copy_buf);
1096 edit_scroll_screen_over_cursor (edit);
1097
1098 if (column_highlighting) {
1099 edit_set_markers (edit, 0, 0, 0, 0);
1100 edit_push_action (edit, COLUMN_ON);
1101 column_highlighting = 0;
1102 } else if (start_mark < current && end_mark > current)
1103 edit_set_markers (edit, start_mark,
1104 end_mark + end_mark - start_mark, 0, 0);
1105
1106 edit->force |= REDRAW_PAGE;
1107 }
1108
1109
1110 void
1111 edit_block_move_cmd (WEdit *edit)
1112 {
1113 long count;
1114 long current;
1115 unsigned char *copy_buf;
1116 long start_mark, end_mark;
1117 int deleted = 0;
1118 int x = 0;
1119
1120 if (eval_marks (edit, &start_mark, &end_mark))
1121 return;
1122 if (column_highlighting) {
1123 edit_update_curs_col (edit);
1124 x = edit->curs_col;
1125 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1126 if ((x > edit->column1 && x < edit->column2)
1127 || (x > edit->column2 && x < edit->column1))
1128 return;
1129 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1130 return;
1131
1132 if ((end_mark - start_mark) > option_max_undo / 2)
1133 if (edit_query_dialog2
1134 (_("Warning"),
1135 _
1136 (" Block is large, you may not be able to undo this action. "),
1137 _("C&ontinue"), _("&Cancel")))
1138 return;
1139
1140 edit_push_markers (edit);
1141 current = edit->curs1;
1142 if (column_highlighting) {
1143 int size, c1, c2, line;
1144 line = edit->curs_line;
1145 if (edit->mark2 < 0)
1146 edit_mark_cmd (edit, 0);
1147 c1 = min (edit->column1, edit->column2);
1148 c2 = max (edit->column1, edit->column2);
1149 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1150 if (x < c2) {
1151 edit_block_delete_cmd (edit);
1152 deleted = 1;
1153 }
1154 edit_move_to_line (edit, line);
1155 edit_cursor_move (edit,
1156 edit_move_forward3 (edit,
1157 edit_bol (edit, edit->curs1),
1158 x, 0) - edit->curs1);
1159 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
1160 if (!deleted) {
1161 line = edit->curs_line;
1162 edit_update_curs_col (edit);
1163 x = edit->curs_col;
1164 edit_block_delete_cmd (edit);
1165 edit_move_to_line (edit, line);
1166 edit_cursor_move (edit,
1167 edit_move_forward3 (edit,
1168 edit_bol (edit,
1169 edit->curs1),
1170 x, 0) - edit->curs1);
1171 }
1172 edit_set_markers (edit, 0, 0, 0, 0);
1173 edit_push_action (edit, COLUMN_ON);
1174 column_highlighting = 0;
1175 } else {
1176 copy_buf = g_malloc (end_mark - start_mark);
1177 edit_cursor_move (edit, start_mark - edit->curs1);
1178 edit_scroll_screen_over_cursor (edit);
1179 count = start_mark;
1180 while (count < end_mark) {
1181 copy_buf[end_mark - count - 1] = edit_delete (edit, 1);
1182 count++;
1183 }
1184 edit_scroll_screen_over_cursor (edit);
1185 edit_cursor_move (edit,
1186 current - edit->curs1 -
1187 (((current - edit->curs1) >
1188 0) ? end_mark - start_mark : 0));
1189 edit_scroll_screen_over_cursor (edit);
1190 while (count-- > start_mark)
1191 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
1192 edit_set_markers (edit, edit->curs1,
1193 edit->curs1 + end_mark - start_mark, 0, 0);
1194 }
1195 edit_scroll_screen_over_cursor (edit);
1196 g_free (copy_buf);
1197 edit->force |= REDRAW_PAGE;
1198 }
1199
1200 static void
1201 edit_delete_column_of_text (WEdit * edit)
1202 {
1203 long p, q, r, m1, m2;
1204 int b, c, d;
1205 int n;
1206
1207 eval_marks (edit, &m1, &m2);
1208 n = edit_move_forward (edit, m1, 0, m2) + 1;
1209 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
1210 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
1211
1212 b = max(min (c, d), min (edit->column1, edit->column2));
1213 c = max (c, d + edit->over_col);
1214
1215 while (n--) {
1216 r = edit_bol (edit, edit->curs1);
1217 p = edit_move_forward3 (edit, r, b, 0);
1218 q = edit_move_forward3 (edit, r, c, 0);
1219 if (p < m1)
1220 p = m1;
1221 if (q > m2)
1222 q = m2;
1223 edit_cursor_move (edit, p - edit->curs1);
1224 while (q > p) { /* delete line between margins */
1225 if (edit_get_byte (edit, edit->curs1) != '\n')
1226 edit_delete (edit, 1);
1227 q--;
1228 }
1229 if (n) /* move to next line except on the last delete */
1230 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
1231 }
1232 }
1233
1234 /* if success return 0 */
1235 static int
1236 edit_block_delete (WEdit *edit)
1237 {
1238 long count;
1239 long start_mark, end_mark;
1240 if (eval_marks (edit, &start_mark, &end_mark))
1241 return 0;
1242 if (column_highlighting && edit->mark2 < 0)
1243 edit_mark_cmd (edit, 0);
1244 if ((end_mark - start_mark) > option_max_undo / 2) {
1245 /* Warning message with a query to continue or cancel the operation */
1246 if (edit_query_dialog2
1247 (_("Warning"),
1248 _
1249 (" Block is large, you may not be able to undo this action. "),
1250 _("C&ontinue"), _("&Cancel"))) {
1251 return 1;
1252 }
1253 }
1254 edit_push_markers (edit);
1255 edit_cursor_move (edit, start_mark - edit->curs1);
1256 edit_scroll_screen_over_cursor (edit);
1257 count = start_mark;
1258 if (start_mark < end_mark) {
1259 if (column_highlighting) {
1260 if (edit->mark2 < 0)
1261 edit_mark_cmd (edit, 0);
1262 edit_delete_column_of_text (edit);
1263 } else {
1264 while (count < end_mark) {
1265 edit_delete (edit, 1);
1266 count++;
1267 }
1268 }
1269 }
1270 edit_set_markers (edit, 0, 0, 0, 0);
1271 edit->force |= REDRAW_PAGE;
1272 return 0;
1273 }
1274
1275 /* returns 1 if canceelled by user */
1276 int edit_block_delete_cmd (WEdit * edit)
1277 {
1278 long start_mark, end_mark;
1279 if (eval_marks (edit, &start_mark, &end_mark)) {
1280 edit_delete_line (edit);
1281 return 0;
1282 }
1283 return edit_block_delete (edit);
1284 }
1285
1286 #define INPUT_INDEX 9
1287
1288 static gboolean
1289 editcmd_find (WEdit *edit, gsize *len)
1290 {
1291 off_t search_start = edit->search_start;
1292 off_t search_end;
1293 long start_mark = 0;
1294 long end_mark = edit->last_byte;
1295 int mark_res = 0;
1296
1297 if (edit->only_in_selection) {
1298 mark_res = eval_marks(edit, &start_mark, &end_mark);
1299 if (mark_res != 0) {
1300 edit->search->error = MC_SEARCH_E_NOTFOUND;
1301 edit->search->error_str = g_strdup(_(" Search string not found "));
1302 return FALSE;
1303 }
1304 if (edit->replace_backwards) {
1305 if (search_start > end_mark || search_start <= start_mark) {
1306 search_start = end_mark;
1307 }
1308 } else {
1309 if (search_start < start_mark || search_start >= end_mark) {
1310 search_start = start_mark;
1311 }
1312 }
1313 } else {
1314 if (edit->replace_backwards)
1315 end_mark = max(1, edit->curs1) - 1;
1316 }
1317 if (edit->replace_backwards) {
1318 search_end = end_mark;
1319 while ((int) search_start >= start_mark) {
1320 if (search_end > search_start + edit->search->original_len
1321 && mc_search_is_fixed_search_str(edit->search)) {
1322 search_end = search_start + edit->search->original_len;
1323 }
1324 if (mc_search_run(edit->search, (void *) edit, search_start, search_end, len)
1325 && edit->search->normal_offset == search_start ) {
1326 return TRUE;
1327 }
1328 search_start--;
1329 }
1330 edit->search->error_str = g_strdup(_(" Search string not found "));
1331 } else {
1332 return mc_search_run(edit->search, (void *) edit, search_start, end_mark, len);
1333 }
1334 return FALSE;
1335 }
1336
1337
1338 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1339 (and the above) routines to work properly - paul */
1340
1341 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1342
1343 static char *
1344 edit_replace_cmd__conv_to_display(char *str)
1345 {
1346 #ifdef HAVE_CHARSET
1347 GString *tmp;
1348 tmp = str_convert_to_display (str);
1349
1350 if (tmp && tmp->len){
1351 g_free(str);
1352 str = tmp->str;
1353 }
1354 g_string_free (tmp, FALSE);
1355 return str;
1356 #else
1357 return g_strdup(str);
1358 #endif
1359 }
1360
1361 static char *
1362 edit_replace_cmd__conv_to_input(char *str)
1363 {
1364 #ifdef HAVE_CHARSET
1365 GString *tmp;
1366 tmp = str_convert_to_input (str);
1367
1368 if (tmp && tmp->len){
1369 g_free(str);
1370 str = tmp->str;
1371 }
1372 g_string_free (tmp, FALSE);
1373 return str;
1374 #else
1375 return g_strdup(str);
1376 #endif
1377 }
1378 /* call with edit = 0 before shutdown to close memory leaks */
1379 void
1380 edit_replace_cmd (WEdit *edit, int again)
1381 {
1382 /* 1 = search string, 2 = replace with */
1383 static char *saved1 = NULL; /* saved default[123] */
1384 static char *saved2 = NULL;
1385 char *input1 = NULL; /* user input from the dialog */
1386 char *input2 = NULL;
1387 int replace_yes;
1388 long times_replaced = 0, last_search;
1389 gboolean once_found = FALSE;
1390
1391 if (!edit) {
1392 g_free (saved1), saved1 = NULL;
1393 g_free (saved2), saved2 = NULL;
1394 return;
1395 }
1396
1397 last_search = edit->last_byte;
1398
1399 edit->force |= REDRAW_COMPLETELY;
1400
1401 if (again && !saved1 && !saved2)
1402 again = 0;
1403
1404 if (again) {
1405 input1 = g_strdup (saved1 ? saved1 : "");
1406 input2 = g_strdup (saved2 ? saved2 : "");
1407 } else {
1408 char *disp1 = edit_replace_cmd__conv_to_display(g_strdup (saved1 ? saved1 : ""));
1409 char *disp2 = edit_replace_cmd__conv_to_display(g_strdup (saved2 ? saved2 : ""));
1410
1411 edit_push_action (edit, KEY_PRESS + edit->start_display);
1412
1413 editcmd_dialog_replace_show (edit, disp1, disp2, &input1, &input2 );
1414
1415 g_free (disp1);
1416 g_free (disp2);
1417
1418 if (input1 == NULL || *input1 == '\0') {
1419 edit->force = REDRAW_COMPLETELY;
1420 goto cleanup;
1421 }
1422
1423 input1 = edit_replace_cmd__conv_to_input(input1);
1424 input2 = edit_replace_cmd__conv_to_input(input2);
1425
1426 g_free (saved1), saved1 = g_strdup (input1);
1427 g_free (saved2), saved2 = g_strdup (input2);
1428
1429 if (edit->search) {
1430 mc_search_free(edit->search);
1431 edit->search = NULL;
1432 }
1433 }
1434
1435 if (!edit->search) {
1436 edit->search = mc_search_new(input1, -1);
1437 if (edit->search == NULL) {
1438 edit->search_start = edit->curs1;
1439 return;
1440 }
1441 edit->search->search_type = edit->search_type;
1442 edit->search->is_all_charsets = edit->all_codepages;
1443 edit->search->is_case_sentitive = edit->replace_case;
1444 edit->search->whole_words = edit->whole_words;
1445 edit->search->search_fn = edit_search_cmd_callback;
1446 }
1447
1448 if (edit->found_len && edit->search_start == edit->found_start + 1
1449 && edit->replace_backwards)
1450 edit->search_start--;
1451
1452 if (edit->found_len && edit->search_start == edit->found_start - 1
1453 && !edit->replace_backwards)
1454 edit->search_start++;
1455
1456 do {
1457 gsize len = 0;
1458 long new_start;
1459
1460 if (! editcmd_find(edit, &len)) {
1461 if (!(edit->search->error == MC_SEARCH_E_OK ||
1462 (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND))) {
1463 edit_error_dialog (_ ("Search"), edit->search->error_str);
1464 }
1465 break;
1466 }
1467 once_found = TRUE;
1468 new_start = edit->search->normal_offset;
1469
1470 edit->search_start = new_start = edit->search->normal_offset;
1471 /*returns negative on not found or error in pattern */
1472
1473 if (edit->search_start >= 0) {
1474 guint i;
1475
1476 edit->found_start = edit->search_start;
1477 i = edit->found_len = len;
1478
1479 edit_cursor_move (edit, edit->search_start - edit->curs1);
1480 edit_scroll_screen_over_cursor (edit);
1481
1482 replace_yes = 1;
1483
1484 if (edit->replace_mode == 0) {
1485 int l;
1486 l = edit->curs_row - edit->num_widget_lines / 3;
1487 if (l > 0)
1488 edit_scroll_downward (edit, l);
1489 if (l < 0)
1490 edit_scroll_upward (edit, -l);
1491
1492 edit_scroll_screen_over_cursor (edit);
1493 edit->force |= REDRAW_PAGE;
1494 edit_render_keypress (edit);
1495
1496 /*so that undo stops at each query */
1497 edit_push_key_press (edit);
1498 /* and prompt 2/3 down */
1499 switch (editcmd_dialog_replace_prompt_show (edit, input1, input2, -1, -1)) {
1500 case B_ENTER:
1501 replace_yes = 1;
1502 break;
1503 case B_SKIP_REPLACE:
1504 replace_yes = 0;
1505 break;
1506 case B_REPLACE_ALL:
1507 edit->replace_mode=1;
1508 break;
1509 case B_CANCEL:
1510 replace_yes = 0;
1511 edit->replace_mode = -1;
1512 break;
1513 }
1514 }
1515 if (replace_yes) { /* delete then insert new */
1516 GString *repl_str, *tmp_str;
1517 tmp_str = g_string_new(input2);
1518
1519 repl_str = mc_search_prepare_replace_str (edit->search, tmp_str);
1520 g_string_free(tmp_str, TRUE);
1521 if (edit->search->error != MC_SEARCH_E_OK)
1522 {
1523 edit_error_dialog (_ ("Replace"), edit->search->error_str);
1524 break;
1525 }
1526
1527 while (i--)
1528 edit_delete (edit, 1);
1529
1530 while (++i < repl_str->len)
1531 edit_insert (edit, repl_str->str[i]);
1532
1533 g_string_free(repl_str, TRUE);
1534 edit->found_len = i;
1535 }
1536 /* so that we don't find the same string again */
1537 if (edit->replace_backwards) {
1538 last_search = edit->search_start;
1539 edit->search_start--;
1540 } else {
1541 edit->search_start += i;
1542 last_search = edit->last_byte;
1543 }
1544 edit_scroll_screen_over_cursor (edit);
1545 } else {
1546 const char *msg = _(" Replace ");
1547 /* try and find from right here for next search */
1548 edit->search_start = edit->curs1;
1549 edit_update_curs_col (edit);
1550
1551 edit->force |= REDRAW_PAGE;
1552 edit_render_keypress (edit);
1553 if (times_replaced) {
1554 message (D_NORMAL, msg, _(" %ld replacements made. "),
1555 times_replaced);
1556 } else
1557 query_dialog (msg, _(" Search string not found "),
1558 D_NORMAL, 1, _("&OK"));
1559 edit->replace_mode = -1;
1560 }
1561 } while (edit->replace_mode >= 0);
1562
1563 edit->force = REDRAW_COMPLETELY;
1564 edit_scroll_screen_over_cursor (edit);
1565 cleanup:
1566 g_free (input1);
1567 g_free (input2);
1568 }
1569
1570
1571 void edit_search_cmd (WEdit * edit, int again)
1572 {
1573 char *search_string = NULL, *search_string_dup = NULL;
1574
1575 gsize len = 0;
1576
1577 if (!edit)
1578 return;
1579
1580 if (edit->search != NULL) {
1581 search_string = g_strndup(edit->search->original, edit->search->original_len);
1582 search_string_dup = search_string;
1583 } else {
1584 GList *history;
1585 history = history_get (MC_HISTORY_SHARED_SEARCH);
1586 if (history != NULL && history->data != NULL) {
1587 search_string_dup = search_string = (char *) g_strdup(history->data);
1588 history = g_list_first (history);
1589 g_list_foreach (history, (GFunc) g_free, NULL);
1590 g_list_free (history);
1591 }
1592 edit->search_start = edit->curs1;
1593 }
1594
1595 if (!again) {
1596 #ifdef HAVE_CHARSET
1597 GString *tmp;
1598 if (search_string && *search_string) {
1599 tmp = str_convert_to_display (search_string);
1600
1601 g_free(search_string_dup);
1602 search_string_dup = NULL;
1603
1604 if (tmp && tmp->len)
1605 search_string = search_string_dup = tmp->str;
1606 g_string_free (tmp, FALSE);
1607 }
1608 #endif /* HAVE_CHARSET */
1609 editcmd_dialog_search_show (edit, &search_string);
1610 #ifdef HAVE_CHARSET
1611 if (search_string && *search_string) {
1612 tmp = str_convert_to_input (search_string);
1613 if (tmp && tmp->len)
1614 search_string = tmp->str;
1615
1616 g_string_free (tmp, FALSE);
1617
1618 if (search_string_dup)
1619 g_free(search_string_dup);
1620 }
1621 #endif /* HAVE_CHARSET */
1622
1623 edit_push_action (edit, KEY_PRESS + edit->start_display);
1624
1625 if (!search_string) {
1626 edit->force |= REDRAW_COMPLETELY;
1627 edit_scroll_screen_over_cursor (edit);
1628 return;
1629 }
1630
1631 if (edit->search) {
1632 mc_search_free(edit->search);
1633 edit->search = NULL;
1634 }
1635 }
1636
1637 if (!edit->search) {
1638 edit->search = mc_search_new(search_string, -1);
1639 if (edit->search == NULL) {
1640 edit->search_start = edit->curs1;
1641 return;
1642 }
1643 edit->search->search_type = edit->search_type;
1644 edit->search->is_all_charsets = edit->all_codepages;
1645 edit->search->is_case_sentitive = edit->replace_case;
1646 edit->search->whole_words = edit->whole_words;
1647 edit->search->search_fn = edit_search_cmd_callback;
1648 }
1649
1650 if (search_create_bookmark) {
1651 edit_search_cmd_search_create_bookmark(edit);
1652 } else {
1653 if (edit->found_len && edit->search_start == edit->found_start + 1 && edit->replace_backwards)
1654 edit->search_start--;
1655
1656 if (edit->found_len && edit->search_start == edit->found_start - 1 && !edit->replace_backwards)
1657 edit->search_start++;
1658
1659
1660 if (editcmd_find(edit, &len)) {
1661 edit->found_start = edit->search_start = edit->search->normal_offset;
1662 edit->found_len = len;
1663 edit->over_col = 0;
1664 edit_cursor_move (edit, edit->search_start - edit->curs1);
1665 edit_scroll_screen_over_cursor (edit);
1666 if (edit->replace_backwards)
1667 edit->search_start--;
1668 else
1669 edit->search_start++;
1670 } else {
1671 edit->search_start = edit->curs1;
1672 if (edit->search->error_str)
1673 edit_error_dialog (_ ("Search"), edit->search->error_str);
1674 }
1675 }
1676
1677 edit->force |= REDRAW_COMPLETELY;
1678 edit_scroll_screen_over_cursor (edit);
1679 }
1680
1681
1682 /*
1683 * Check if it's OK to close the editor. If there are unsaved changes,
1684 * ask user. Return 1 if it's OK to exit, 0 to continue editing.
1685 */
1686 int
1687 edit_ok_to_exit (WEdit *edit)
1688 {
1689 if (!edit->modified)
1690 return 1;
1691
1692 switch (edit_query_dialog3
1693 (_("Quit"), _(" File was modified, Save with exit? "),
1694 _("&Cancel quit"), _("&Yes"), _("&No"))) {
1695 case 1:
1696 edit_push_markers (edit);
1697 edit_set_markers (edit, 0, 0, 0, 0);
1698 if (!edit_save_cmd (edit))
1699 return 0;
1700 break;
1701 case 2:
1702 break;
1703 case 0:
1704 case -1:
1705 return 0;
1706 }
1707
1708 return 1;
1709 }
1710
1711 /* Return a null terminated length of text. Result must be g_free'd */
1712 static unsigned char *
1713 edit_get_block (WEdit *edit, long start, long finish, int *l)
1714 {
1715 unsigned char *s, *r;
1716 r = s = g_malloc (finish - start + 1);
1717 if (column_highlighting) {
1718 *l = 0;
1719 /* copy from buffer, excluding chars that are out of the column 'margins' */
1720 while (start < finish) {
1721 int c, x;
1722 x = edit_move_forward3 (edit, edit_bol (edit, start), 0,
1723 start);
1724 c = edit_get_byte (edit, start);
1725 if ((x >= edit->column1 && x < edit->column2)
1726 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
1727 *s++ = c;
1728 (*l)++;
1729 }
1730 start++;
1731 }
1732 } else {
1733 *l = finish - start;
1734 while (start < finish)
1735 *s++ = edit_get_byte (edit, start++);
1736 }
1737 *s = 0;
1738 return r;
1739 }
1740
1741 /* save block, returns 1 on success */
1742 int
1743 edit_save_block (WEdit * edit, const char *filename, long start,
1744 long finish)
1745 {
1746 int len, file;
1747
1748 if ((file =
1749 mc_open (filename, O_CREAT | O_WRONLY | O_TRUNC,
1750 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1)
1751 return 0;
1752
1753 if (column_highlighting) {
1754 int r;
1755 r = mc_write (file, VERTICAL_MAGIC, sizeof(VERTICAL_MAGIC));
1756 if (r > 0) {
1757 unsigned char *block, *p;
1758 p = block = edit_get_block (edit, start, finish, &len);
1759 while (len) {
1760 r = mc_write (file, p, len);
1761 if (r < 0)
1762 break;
1763 p += r;
1764 len -= r;
1765 }
1766 g_free (block);
1767 }
1768 } else {
1769 unsigned char *buf;
1770 int i = start, end;
1771 len = finish - start;
1772 buf = g_malloc (TEMP_BUF_LEN);
1773 while (start != finish) {
1774 end = min (finish, start + TEMP_BUF_LEN);
1775 for (; i < end; i++)
1776 buf[i - start] = edit_get_byte (edit, i);
1777 len -= mc_write (file, (char *) buf, end - start);
1778 start = end;
1779 }
1780 g_free (buf);
1781 }
1782 mc_close (file);
1783 if (len)
1784 return 0;
1785 return 1;
1786 }
1787
1788 /* copies a block to clipboard file */
1789 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
1790 {
1791 int ret;
1792 gchar *tmp;
1793 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1794 ret = edit_save_block (edit, tmp, start, finish);
1795 g_free(tmp);
1796 return ret;
1797 }
1798
1799
1800 void edit_paste_from_history (WEdit *edit)
1801 {
1802 (void) edit;
1803 edit_error_dialog (_(" Error "), _(" This function is not implemented. "));
1804 }
1805
1806 int edit_copy_to_X_buf_cmd (WEdit * edit)
1807 {
1808 long start_mark, end_mark;
1809 if (eval_marks (edit, &start_mark, &end_mark))
1810 return 0;
1811 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
1812 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
1813 return 1;
1814 }
1815 edit_mark_cmd (edit, 1);
1816 return 0;
1817 }
1818
1819 int edit_cut_to_X_buf_cmd (WEdit * edit)
1820 {
1821 long start_mark, end_mark;
1822 if (eval_marks (edit, &start_mark, &end_mark))
1823 return 0;
1824 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
1825 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
1826 return 1;
1827 }
1828 edit_block_delete_cmd (edit);
1829 edit_mark_cmd (edit, 1);
1830 return 0;
1831 }
1832
1833 void edit_paste_from_X_buf_cmd (WEdit * edit)
1834 {
1835 gchar *tmp;
1836 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1837 edit_insert_file (edit, tmp);
1838 g_free(tmp);
1839 }
1840
1841
1842 /*
1843 * Ask user for the line and go to that line.
1844 * Negative numbers mean line from the end (i.e. -1 is the last line).
1845 */
1846 void
1847 edit_goto_cmd (WEdit *edit)
1848 {
1849 char *f;
1850 static long line = 0; /* line as typed, saved as default */
1851 long l;
1852 char *error;
1853 char s[32];
1854
1855 g_snprintf (s, sizeof (s), "%ld", line);
1856 f = input_dialog (_(" Goto line "), _(" Enter line: "), MC_HISTORY_EDIT_GOTO_LINE,
1857 line ? s : "");
1858 if (!f)
1859 return;
1860
1861 if (!*f) {
1862 g_free (f);
1863 return;
1864 }
1865
1866 l = strtol (f, &error, 0);
1867 if (*error) {
1868 g_free (f);
1869 return;
1870 }
1871
1872 line = l;
1873 if (l < 0)
1874 l = edit->total_lines + l + 2;
1875 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
1876 edit_move_to_line (edit, l - 1);
1877 edit->force |= REDRAW_COMPLETELY;
1878 g_free (f);
1879 }
1880
1881
1882 /* Return 1 on success */
1883 int
1884 edit_save_block_cmd (WEdit *edit)
1885 {
1886 long start_mark, end_mark;
1887 char *exp, *tmp;
1888
1889 if (eval_marks (edit, &start_mark, &end_mark))
1890 return 1;
1891
1892 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1893 exp =
1894 input_expand_dialog (_(" Save Block "), _(" Enter file name: "),
1895 MC_HISTORY_EDIT_SAVE_BLOCK,
1896 tmp);
1897 g_free(tmp);
1898 edit_push_action (edit, KEY_PRESS + edit->start_display);
1899 if (exp) {
1900 if (!*exp) {
1901 g_free (exp);
1902 return 0;
1903 } else {
1904 if (edit_save_block (edit, exp, start_mark, end_mark)) {
1905 g_free (exp);
1906 edit->force |= REDRAW_COMPLETELY;
1907 return 1;
1908 } else {
1909 g_free (exp);
1910 edit_error_dialog (_(" Save Block "),
1911 get_sys_error (_
1912 (" Cannot save file. ")));
1913 }
1914 }
1915 }
1916 edit->force |= REDRAW_COMPLETELY;
1917 return 0;
1918 }
1919
1920
1921 /* returns 1 on success */
1922 int
1923 edit_insert_file_cmd (WEdit *edit)
1924 {
1925 gchar *tmp;
1926 char *exp;
1927
1928 tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
1929 exp = input_expand_dialog (_(" Insert File "), _(" Enter file name: "),
1930 MC_HISTORY_EDIT_INSERT_FILE,
1931 tmp);
1932 g_free(tmp);
1933 edit_push_action (edit, KEY_PRESS + edit->start_display);
1934 if (exp) {
1935 if (!*exp) {
1936 g_free (exp);
1937 return 0;
1938 } else {
1939 if (edit_insert_file (edit, exp)) {
1940 g_free (exp);
1941 edit->force |= REDRAW_COMPLETELY;
1942 return 1;
1943 } else {
1944 g_free (exp);
1945 edit_error_dialog (_(" Insert File "),
1946 get_sys_error (_
1947 (" Cannot insert file. ")));
1948 }
1949 }
1950 }
1951 edit->force |= REDRAW_COMPLETELY;
1952 return 0;
1953 }
1954
1955 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
1956 int edit_sort_cmd (WEdit * edit)
1957 {
1958 static char *old = 0;
1959 char *exp, *tmp;
1960 long start_mark, end_mark;
1961 int e;
1962
1963 if (eval_marks (edit, &start_mark, &end_mark)) {
1964 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
1965 return 0;
1966 }
1967
1968 tmp = concat_dir_and_file (home_dir, EDIT_BLOCK_FILE);
1969 edit_save_block (edit, tmp, start_mark, end_mark);
1970 g_free(tmp);
1971
1972 exp = input_dialog (_(" Run Sort "),
1973 _(" Enter sort options (see manpage) separated by whitespace: "),
1974 MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "");
1975
1976 if (!exp)
1977 return 1;
1978 g_free (old);
1979 old = exp;
1980 tmp = g_strconcat (" sort ", exp, " ", home_dir, PATH_SEP_STR EDIT_BLOCK_FILE, " > ",
1981 home_dir, PATH_SEP_STR EDIT_TEMP_FILE, (char *) NULL);
1982 e = system (tmp);
1983 g_free(tmp);
1984 if (e) {
1985 if (e == -1 || e == 127) {
1986 edit_error_dialog (_(" Sort "),
1987 get_sys_error (_(" Cannot execute sort command ")));
1988 } else {
1989 char q[8];
1990 sprintf (q, "%d ", e);
1991 tmp = g_strconcat (_(" Sort returned non-zero: "), q, (char *) NULL);
1992 edit_error_dialog (_(" Sort "), tmp);
1993 g_free(tmp);
1994 }
1995 return -1;
1996 }
1997
1998 edit->force |= REDRAW_COMPLETELY;
1999
2000 if (edit_block_delete_cmd (edit))
2001 return 1;
2002 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
2003 edit_insert_file (edit, tmp);
2004 g_free(tmp);
2005 return 0;
2006 }
2007
2008 /*
2009 * Ask user for a command, execute it and paste its output back to the
2010 * editor.
2011 */
2012 int
2013 edit_ext_cmd (WEdit *edit)
2014 {
2015 char *exp, *tmp;
2016 int e;
2017
2018 exp =
2019 input_dialog (_("Paste output of external command"),
2020 _("Enter shell command(s):"),
2021 MC_HISTORY_EDIT_PASTE_EXTCMD, NULL);
2022
2023 if (!exp)
2024 return 1;
2025
2026 tmp = g_strconcat (exp, " > ", home_dir, PATH_SEP_STR EDIT_TEMP_FILE, (char *) NULL);
2027 e = system (tmp);
2028 g_free(tmp);
2029 g_free (exp);
2030
2031 if (e) {
2032 edit_error_dialog (_("External command"),
2033 get_sys_error (_("Cannot execute command")));
2034 return -1;
2035 }
2036
2037 edit->force |= REDRAW_COMPLETELY;
2038 tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
2039 edit_insert_file (edit, tmp);
2040 g_free(tmp);
2041 return 0;
2042 }
2043
2044 /* if block is 1, a block must be highlighted and the shell command
2045 processes it. If block is 0 the shell command is a straight system
2046 command, that just produces some output which is to be inserted */
2047 void
2048 edit_block_process_cmd (WEdit *edit, const char *shell_cmd, int block)
2049 {
2050 long start_mark, end_mark;
2051 char buf[BUFSIZ];
2052 FILE *script_home = NULL;
2053 FILE *script_src = NULL;
2054 FILE *block_file = NULL;
2055 gchar *o, *h, *b, *tmp;
2056 char *quoted_name = NULL;
2057
2058 o = g_strconcat (mc_home, shell_cmd, (char *) NULL); /* original source script */
2059 h = g_strconcat (home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, (char *) NULL); /* home script */
2060 b = concat_dir_and_file (home_dir, EDIT_BLOCK_FILE); /* block file */
2061
2062 if (!(script_home = fopen (h, "r"))) {
2063 if (!(script_home = fopen (h, "w"))) {
2064 tmp = g_strconcat (_("Error creating script:"), h, (char *) NULL);
2065 edit_error_dialog ("", get_sys_error (tmp));
2066 g_free(tmp);
2067 goto edit_block_process_cmd__EXIT;
2068 }
2069 if (!(script_src = fopen (o, "r"))) {
2070 o = g_strconcat (mc_home_alt, shell_cmd, (char *) NULL);
2071 if (!(script_src = fopen (o, "r"))) {
2072 fclose (script_home);
2073 unlink (h);
2074 tmp = g_strconcat (_("Error reading script:"), o, (char *) NULL);
2075 edit_error_dialog ("", get_sys_error (tmp));
2076 g_free(tmp);
2077 goto edit_block_process_cmd__EXIT;
2078 }
2079 }
2080 while (fgets (buf, sizeof (buf), script_src))
2081 fputs (buf, script_home);
2082 if (fclose (script_home)) {
2083 tmp = g_strconcat (_("Error closing script:"), h, (char *) NULL);
2084 edit_error_dialog ("", get_sys_error (tmp));
2085 g_free(tmp);
2086 goto edit_block_process_cmd__EXIT;
2087 }
2088 chmod (h, 0700);
2089 tmp = g_strconcat (_("Script created:"), h, (char *) NULL);
2090 edit_error_dialog ("", get_sys_error (tmp));
2091 g_free(tmp);
2092 }
2093
2094 open_error_pipe ();
2095
2096 if (block) { /* for marked block run indent formatter */
2097 if (eval_marks (edit, &start_mark, &end_mark)) {
2098 edit_error_dialog (_("Process block"),
2099 _
2100 (" You must first highlight a block of text. "));
2101 goto edit_block_process_cmd__EXIT;
2102 }
2103 edit_save_block (edit, b, start_mark, end_mark);
2104 quoted_name = name_quote (edit->filename, 0);
2105 /*
2106 * Run script.
2107 * Initial space is to avoid polluting bash history.
2108 * Arguments:
2109 * $1 - name of the edited file (to check its extension etc).
2110 * $2 - file containing the current block.
2111 * $3 - file where error messages should be put
2112 * (for compatibility with old scripts).
2113 */
2114 tmp = g_strconcat (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ", quoted_name,
2115 " ", home_dir, PATH_SEP_STR EDIT_BLOCK_FILE " /dev/null", (char *) NULL);
2116 system (tmp);
2117 g_free(tmp);
2118 } else {
2119 /*
2120 * No block selected, just execute the command for the file.
2121 * Arguments:
2122 * $1 - name of the edited file.
2123 */
2124 tmp = g_strconcat (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ",
2125 quoted_name, (char *) NULL);
2126 system (tmp);
2127 g_free(tmp);
2128 }
2129 g_free (quoted_name);
2130 close_error_pipe (D_NORMAL, NULL);
2131
2132 edit_refresh_cmd (edit);
2133 edit->force |= REDRAW_COMPLETELY;
2134
2135 /* insert result block */
2136 if (block) {
2137 if (edit_block_delete_cmd (edit))
2138 goto edit_block_process_cmd__EXIT;
2139 edit_insert_file (edit, b);
2140 if ((block_file = fopen (b, "w")))
2141 fclose (block_file);
2142 goto edit_block_process_cmd__EXIT;
2143 }
2144 edit_block_process_cmd__EXIT:
2145 g_free(b);
2146 g_free(h);
2147 g_free(o);
2148 return;
2149 }
2150
2151 /* prints at the cursor */
2152 /* returns the number of chars printed */
2153 int edit_print_string (WEdit * e, const char *s)
2154 {
2155 int i = 0;
2156 while (s[i])
2157 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2158 e->force |= REDRAW_COMPLETELY;
2159 edit_update_screen (e);
2160 return i;
2161 }
2162
2163
2164 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2165 {
2166 FILE *p = 0;
2167 char *s;
2168
2169 to = name_quote (to, 0);
2170 subject = name_quote (subject, 0);
2171 cc = name_quote (cc, 0);
2172 s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "" , cc, " ", to, (char *) NULL);
2173 g_free (to);
2174 g_free (subject);
2175 g_free (cc);
2176
2177 if (s) {
2178 p = popen (s, "w");
2179 g_free (s);
2180 }
2181
2182 if (p) {
2183 long i;
2184 for (i = 0; i < edit->last_byte; i++)
2185 fputc (edit_get_byte (edit, i), p);
2186 pclose (p);
2187 }
2188 }
2189
2190 #define MAIL_DLG_HEIGHT 12
2191
2192 void edit_mail_dialog (WEdit * edit)
2193 {
2194 char *tmail_to;
2195 char *tmail_subject;
2196 char *tmail_cc;
2197
2198 static char *mail_cc_last = 0;
2199 static char *mail_subject_last = 0;
2200 static char *mail_to_last = 0;
2201
2202 QuickDialog Quick_input =
2203 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2204 "[Input Line Keys]", 0, 0};
2205
2206 QuickWidget quick_widgets[] =
2207 {
2208 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2209 0, NULL, NULL, NULL},
2210 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
2211 0, NULL, NULL, NULL},
2212 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2213 0, "mail-dlg-input", NULL, NULL},
2214 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2215 0, 0, NULL, NULL},
2216 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2217 0, "mail-dlg-input-2", NULL, NULL},
2218 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2219 0, 0, NULL, NULL},
2220 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2221 0, "mail-dlg-input-3", NULL, NULL},
2222 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2223 0, 0, NULL, NULL},
2224 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2225 0, 0, NULL, NULL},
2226 NULL_QuickWidget};
2227
2228 quick_widgets[2].str_result = &tmail_cc;
2229 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2230 quick_widgets[4].str_result = &tmail_subject;
2231 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2232 quick_widgets[6].str_result = &tmail_to;
2233 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2234
2235 Quick_input.widgets = quick_widgets;
2236
2237 if (quick_dialog (&Quick_input) != B_CANCEL) {
2238 g_free (mail_cc_last);
2239 g_free (mail_subject_last);
2240 g_free (mail_to_last);
2241 mail_cc_last = tmail_cc;
2242 mail_subject_last = tmail_subject;
2243 mail_to_last = tmail_to;
2244 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2245 }
2246 }
2247
2248
2249 /*******************/
2250 /* Word Completion */
2251 /*******************/
2252
2253 static gboolean is_break_char(char c)
2254 {
2255 return (isspace(c) || strchr("{}[]()<>=|/\\!?~'\",.;:#$%^&*", c));
2256 }
2257
2258 /* find first character of current word */
2259 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2260 {
2261 int i, c, last;
2262
2263 /* return if at begin of file */
2264 if (edit->curs1 <= 0)
2265 return 0;
2266
2267 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2268 /* return if not at end or in word */
2269 if (is_break_char(c))
2270 return 0;
2271
2272 /* search start of word to be completed */
2273 for (i = 2;; i++) {
2274 /* return if at begin of file */
2275 if (edit->curs1 - i < 0)
2276 return 0;
2277
2278 last = c;
2279 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2280
2281 if (is_break_char(c)) {
2282 /* return if word starts with digit */
2283 if (isdigit (last))
2284 return 0;
2285
2286 *word_start = edit->curs1 - (i - 1); /* start found */
2287 *word_len = i - 1;
2288 break;
2289 }
2290 }
2291 /* success */
2292 return 1;
2293 }
2294
2295 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
2296
2297 /* collect the possible completions */
2298 static int
2299 edit_collect_completions (WEdit *edit, long start, int word_len,
2300 char *match_expr, struct selection *compl,
2301 int *num)
2302 {
2303 int max_len = 0, i, skip;
2304 gsize len = 0;
2305 GString *temp;
2306 mc_search_t *srch;
2307
2308 srch = mc_search_new(match_expr, -1);
2309 if (srch == NULL)
2310 return 0;
2311
2312 srch->search_type = MC_SEARCH_T_REGEX;
2313 srch->is_case_sentitive = TRUE;
2314 srch->search_fn = edit_search_cmd_callback;
2315
2316 /* collect max MAX_WORD_COMPLETIONS completions */
2317 start--;
2318 while (*num < MAX_WORD_COMPLETIONS) {
2319 /* get next match */
2320 if (mc_search_run (srch, (void *) edit, start+1, edit->last_byte, &len) == FALSE)
2321 break;
2322 start = srch->normal_offset;
2323
2324 /* add matched completion if not yet added */
2325 temp = g_string_new("");
2326 for (i = 0; i < len; i++){
2327 skip = edit_get_byte(edit, start+i);
2328 if (isspace(skip))
2329 continue;
2330 g_string_append_c (temp, skip);
2331 }
2332
2333 skip = 0;
2334
2335 for (i = 0; i < *num; i++) {
2336 if (strncmp
2337 (
2338 (char *) &compl[i].text[word_len],
2339 (char *) &temp->str[word_len],
2340 max (len, compl[i].len) - word_len
2341 ) == 0) {
2342 skip = 1;
2343 break; /* skip it, already added */
2344 }
2345 }
2346 if (skip) {
2347 g_string_free(temp, TRUE);
2348 continue;
2349 }
2350
2351 compl[*num].text = temp->str;
2352 compl[*num].len = temp->len;
2353 (*num)++;
2354 g_string_free(temp, FALSE);
2355
2356 /* note the maximal length needed for the completion dialog */
2357 if (len > max_len)
2358 max_len = len;
2359 }
2360 mc_search_free(srch);
2361 return max_len;
2362 }
2363
2364 /*
2365 * Complete current word using regular expression search
2366 * backwards beginning at the current cursor position.
2367 */
2368 void
2369 edit_complete_word_cmd (WEdit *edit)
2370 {
2371 int word_len = 0, i, num_compl = 0, max_len;
2372 long word_start = 0;
2373 unsigned char *bufpos;
2374 char *match_expr;
2375 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2376
2377 /* search start of word to be completed */
2378 if (!edit_find_word_start (edit, &word_start, &word_len))
2379 return;
2380
2381 /* prepare match expression */
2382 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2383 [word_start & M_EDIT_BUF_SIZE];
2384
2385 match_expr = g_strdup_printf ("(^|\\s)%.*s[^\\s\\.=\\+\\{\\}\\[\\]\\(\\)\\\\\\!\\,<>\\?\\/@#\\$%%\\^&\\*\\~\\|\\\"'\\:\\;]+", word_len, bufpos);
2386
2387 /* collect the possible completions */
2388 /* start search from begin to end of file */
2389 max_len =
2390 edit_collect_completions (edit, 0, word_len, match_expr,
2391 (struct selection *) &compl, &num_compl);
2392
2393 if (num_compl > 0) {
2394 /* insert completed word if there is only one match */
2395 if (num_compl == 1) {
2396 for (i = word_len; i < compl[0].len; i++)
2397 edit_insert (edit, *(compl[0].text + i));
2398 }
2399 /* more than one possible completion => ask the user */
2400 else {
2401 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2402 /* !!! pressed again the selection dialog pops up, but that !!! */
2403 /* !!! seems to require a further internal state !!! */
2404 /*tty_beep (); */
2405
2406 /* let the user select the preferred completion */
2407 editcmd_dialog_completion_show (edit, max_len, word_len,
2408 (struct selection *) &compl,
2409 num_compl);
2410 }
2411 }
2412
2413 g_free (match_expr);
2414 /* release memory before return */
2415 for (i = 0; i < num_compl; i++)
2416 g_free (compl[i].text);
2417
2418 }
2419
2420 void
2421 edit_select_codepage_cmd (WEdit *edit)
2422 {
2423 #ifdef HAVE_CHARSET
2424 const char *cp_id = NULL;
2425 if (do_select_codepage ()) {
2426 cp_id = get_codepage_id (source_codepage >= 0 ?
2427 source_codepage : display_codepage);
2428
2429 if (cp_id != NULL) {
2430 GIConv conv;
2431 conv = str_crt_conv_from (cp_id);
2432 if (conv != INVALID_CONV) {
2433 if (edit->converter != str_cnv_from_term)
2434 str_close_conv (edit->converter);
2435 edit->converter = conv;
2436 }
2437 }
2438
2439
2440 if (cp_id != NULL)
2441 edit->utf8 = str_isutf8 (cp_id);
2442 }
2443
2444 edit->force = REDRAW_COMPLETELY;
2445 edit_refresh_cmd (edit);
2446 #endif
2447 }
2448
2449 void
2450 edit_insert_literal_cmd (WEdit *edit)
2451 {
2452 int char_for_insertion =
2453 editcmd_dialog_raw_key_query (_(" Insert Literal "),
2454 _(" Press any key: "), 0);
2455 edit_execute_key_command (edit, -1,
2456 ascii_alpha_to_cntrl (char_for_insertion));
2457 }
2458
2459 void
2460 edit_execute_macro_cmd (WEdit *edit)
2461 {
2462 int command =
2463 CK_Macro (editcmd_dialog_raw_key_query
2464 (_(" Execute Macro "), _(" Press macro hotkey: "),
2465 1));
2466 if (command == CK_Macro (0))
2467 command = CK_Insert_Char;
2468
2469 edit_execute_key_command (edit, command, -1);
2470 }
2471
2472 void
2473 edit_begin_end_macro_cmd(WEdit *edit)
2474 {
2475 int command;
2476
2477 /* edit is a pointer to the widget */
2478 if (edit) {
2479 command =
2480 edit->macro_i <
2481 0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
2482 edit_execute_key_command (edit, command, -1);
2483 }
2484 }
2485
2486 int
2487 edit_load_forward_cmd (WEdit *edit)
2488 {
2489 if (edit->modified) {
2490 if (edit_query_dialog2
2491 (_("Warning"),
2492 _(" Current text was modified without a file save. \n"
2493 " Continue discards these changes. "), _("C&ontinue"),
2494 _("&Cancel"))) {
2495 edit->force |= REDRAW_COMPLETELY;
2496 return 0;
2497 }
2498 }
2499 if ( edit_stack_iterator + 1 < MAX_HISTORY_MOVETO ) {
2500 if ( edit_history_moveto[edit_stack_iterator + 1].line < 1 ) {
2501 return 1;
2502 }
2503 edit_stack_iterator++;
2504 if ( edit_history_moveto[edit_stack_iterator].filename ) {
2505 edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
2506 edit_history_moveto[edit_stack_iterator].line);
2507 return 0;
2508 } else {
2509 return 1;
2510 }
2511 } else {
2512 return 1;
2513 }
2514 }
2515
2516 int
2517 edit_load_back_cmd (WEdit *edit)
2518 {
2519 if (edit->modified) {
2520 if (edit_query_dialog2
2521 (_("Warning"),
2522 _(" Current text was modified without a file save. \n"
2523 " Continue discards these changes. "), _("C&ontinue"),
2524 _("&Cancel"))) {
2525 edit->force |= REDRAW_COMPLETELY;
2526 return 0;
2527 }
2528 }
2529 if ( edit_stack_iterator > 0 ) {
2530 edit_stack_iterator--;
2531 if ( edit_history_moveto[edit_stack_iterator].filename ) {
2532 edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
2533 edit_history_moveto[edit_stack_iterator].line);
2534 return 0;
2535 } else {
2536 return 1;
2537 }
2538 } else {
2539 return 1;
2540 }
2541 }
2542
2543 void
2544 edit_get_match_keyword_cmd (WEdit *edit)
2545 {
2546 int word_len = 0;
2547 int num_def = 0;
2548 int max_len = 0;
2549 int i;
2550 long word_start = 0;
2551 unsigned char *bufpos;
2552 char *match_expr;
2553 char *path = NULL;
2554 char *ptr = NULL;
2555 char *tagfile = NULL;
2556
2557 etags_hash_t def_hash[MAX_DEFINITIONS];
2558
2559 for ( i = 0; i < MAX_DEFINITIONS; i++) {
2560 def_hash[i].filename = NULL;
2561 }
2562
2563 /* search start of word to be completed */
2564 if (!edit_find_word_start (edit, &word_start, &word_len))
2565 return;
2566
2567 /* prepare match expression */
2568 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2569 [word_start & M_EDIT_BUF_SIZE];
2570 match_expr = g_strdup_printf ("%.*s", word_len, bufpos);
2571
2572 ptr = g_get_current_dir ();
2573 path = g_strconcat (ptr, G_DIR_SEPARATOR_S, (char *) NULL);
2574 g_free (ptr);
2575
2576 /* Recursive search file 'TAGS' in parent dirs */
2577 do {
2578 ptr = g_path_get_dirname (path);
2579 g_free(path); path = ptr;
2580 g_free (tagfile);
2581 tagfile = g_build_filename (path, TAGS_NAME, (char *) NULL);
2582 if ( exist_file (tagfile) )
2583 break;
2584 } while (strcmp( path, G_DIR_SEPARATOR_S) != 0);
2585
2586 if (tagfile){
2587 num_def = etags_set_definition_hash(tagfile, path, match_expr, (etags_hash_t *) &def_hash);
2588 g_free (tagfile);
2589 }
2590 g_free (path);
2591
2592 max_len = MAX_WIDTH_DEF_DIALOG;
2593 word_len = 0;
2594 if ( num_def > 0 ) {
2595 editcmd_dialog_select_definition_show (edit, match_expr, max_len, word_len,
2596 (etags_hash_t *) &def_hash,
2597 num_def);
2598 }
2599 g_free (match_expr);
2600 }
2601
2602 void
2603 edit_move_block_to_right (WEdit * edit)
2604 {
2605 long start_mark, end_mark;
2606 long cur_bol, start_bol;
2607
2608 if ( eval_marks (edit, &start_mark, &end_mark) )
2609 return;
2610
2611 start_bol = edit_bol (edit, start_mark);
2612 cur_bol = edit_bol (edit, end_mark - 1);
2613 do {
2614 edit_cursor_move (edit, cur_bol - edit->curs1);
2615 if ( option_fill_tabs_with_spaces ) {
2616 if ( option_fake_half_tabs ) {
2617 insert_spaces_tab (edit, 1);
2618 } else {
2619 insert_spaces_tab (edit, 0);
2620 }
2621 } else {
2622 edit_insert (edit, '\t');
2623 }
2624 edit_cursor_move (edit, edit_bol (edit, cur_bol) - edit->curs1);
2625 if ( cur_bol == 0 ) {
2626 break;
2627 }
2628 cur_bol = edit_bol (edit, cur_bol - 1);
2629 } while (cur_bol >= start_bol) ;
2630 edit->force |= REDRAW_PAGE;
2631 }
2632
2633 void
2634 edit_move_block_to_left (WEdit * edit)
2635 {
2636 long start_mark, end_mark;
2637 long cur_bol, start_bol;
2638 int i, del_tab_width;
2639 int next_char;
2640
2641 if ( eval_marks (edit, &start_mark, &end_mark) )
2642 return;
2643
2644 start_bol = edit_bol (edit, start_mark);
2645 cur_bol = edit_bol (edit, end_mark - 1);
2646 do {
2647 edit_cursor_move (edit, cur_bol - edit->curs1);
2648 if (option_fake_half_tabs) {
2649 del_tab_width = HALF_TAB_SIZE;
2650 } else {
2651 del_tab_width = option_tab_spacing;
2652 }
2653 next_char = edit_get_byte (edit, edit->curs1);
2654 if ( next_char == '\t' ) {
2655 edit_delete (edit, 1);
2656 } else if ( next_char == ' ' ) {
2657 for (i = 1; i <= del_tab_width; i++) {
2658 if ( next_char == ' ' ) {
2659 edit_delete (edit, 1);
2660 }
2661 next_char = edit_get_byte (edit, edit->curs1);
2662 }
2663 }
2664 if ( cur_bol == 0 ) {
2665 break;
2666 }
2667 cur_bol = edit_bol (edit, cur_bol - 1);
2668 } while (cur_bol >= start_bol) ;
2669 edit->force |= REDRAW_PAGE;
2670 }
Midnight Commander