?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
(edit_save_block): return gboolean instead of int.
[midnight-commander.git] / src / editor / editcmd.c
blob217e3747cc1e7f9c701188a9a417111615add252
1 /*
2 Editor high level editing commands
3
4 Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
5 2007, 2011, 2012
6 The Free Software Foundation, Inc.
7
8 Written by:
9 Paul Sheer, 1996, 1997
10 Andrew Borodin <aborodin@vmail.ru> 2012
11
12 This file is part of the Midnight Commander.
13
14 The Midnight Commander is free software: you can redistribute it
15 and/or modify it under the terms of the GNU General Public License as
16 published by the Free Software Foundation, either version 3 of the License,
17 or (at your option) any later version.
18
19 The Midnight Commander is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 */
27
28 /** \file
29 * \brief Source: editor high level editing commands
30 * \author Paul Sheer
31 * \date 1996, 1997
32 */
33
34 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
35
36 #include <config.h>
37
38 #ifdef HAVE_ASSERT_H
39 #include <assert.h>
40 #endif
41 #include <ctype.h>
42
43 #include <stdio.h>
44 #include <stdarg.h>
45 #include <sys/types.h>
46 #include <unistd.h>
47 #include <string.h>
48 #include <errno.h>
49 #include <sys/stat.h>
50 #include <stdlib.h>
51 #include <fcntl.h>
52
53 #include "lib/global.h"
54 #include "lib/tty/tty.h"
55 #include "lib/tty/key.h" /* XCTRL */
56 #include "lib/mcconfig.h"
57 #include "lib/skin.h"
58 #include "lib/strutil.h" /* utf string functions */
59 #include "lib/lock.h"
60 #include "lib/util.h" /* tilde_expand() */
61 #include "lib/vfs/vfs.h"
62 #include "lib/widget.h"
63 #include "lib/event.h" /* mc_event_raise() */
64 #ifdef HAVE_CHARSET
65 #include "lib/charsets.h"
66 #endif
67
68 #include "src/history.h"
69 #include "src/setup.h" /* option_tab_spacing */
70 #include "src/main.h" /* mactos_t */
71 #ifdef HAVE_CHARSET
72 #include "src/selcodepage.h"
73 #endif
74 #include "src/keybind-defaults.h"
75 #include "src/util.h" /* check_for_default() */
76 #include "src/filemanager/layout.h" /* mc_refresh() */
77
78 #include "edit-impl.h"
79 #include "editwidget.h"
80 #include "editcmd_dialogs.h"
81 #include "etags.h"
82
83 /*** global variables ****************************************************************************/
84
85 /* search and replace: */
86 int search_create_bookmark = FALSE;
87
88 /* queries on a save */
89 int edit_confirm_save = 1;
90
91 /*** file scope macro definitions ****************************************************************/
92
93 #define space_width 1
94
95 #define TEMP_BUF_LEN 1024
96
97 #define INPUT_INDEX 9
98
99 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
100 (and the above) routines to work properly - paul */
101
102 #define is_digit(x) ((x) >= '0' && (x) <= '9')
103
104 #define MAIL_DLG_HEIGHT 12
105
106 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
107
108 /*** file scope type declarations ****************************************************************/
109
110 /*** file scope variables ************************************************************************/
111
112 /*** file scope functions ************************************************************************/
113 /* --------------------------------------------------------------------------------------------- */
114
115 /* If 0 (quick save) then a) create/truncate <filename> file,
116 b) save to <filename>;
117 if 1 (safe save) then a) save to <tempnam>,
118 b) rename <tempnam> to <filename>;
119 if 2 (do backups) then a) save to <tempnam>,
120 b) rename <filename> to <filename.backup_ext>,
121 c) rename <tempnam> to <filename>. */
122
123 /* returns 0 on error, -1 on abort */
124
125 static int
126 edit_save_file (WEdit * edit, const vfs_path_t * filename_vpath)
127 {
128 char *p;
129 gchar *tmp;
130 long filelen = 0;
131 int this_save_mode, fd = -1;
132 vfs_path_t *real_filename_vpath;
133 vfs_path_t *savename_vpath = NULL;
134 const char *start_filename;
135 const vfs_path_element_t *vpath_element;
136
137 vpath_element = vfs_path_get_by_index (filename_vpath, 0);
138 if (vpath_element == NULL)
139 return 0;
140
141 start_filename = vpath_element->path;
142 if (*start_filename == '\0')
143 return 0;
144
145 if (*start_filename != PATH_SEP && edit->dir_vpath != NULL)
146 {
147 real_filename_vpath = vfs_path_append_vpath_new (edit->dir_vpath, filename_vpath, NULL);
148 }
149 else
150 {
151 real_filename_vpath = vfs_path_clone (filename_vpath);
152 }
153
154 this_save_mode = option_save_mode;
155 if (this_save_mode != EDIT_QUICK_SAVE)
156 {
157 if (!vfs_file_is_local (real_filename_vpath)
158 || (fd = mc_open (real_filename_vpath, O_RDONLY | O_BINARY)) == -1)
159 {
160 /*
161 * The file does not exists yet, so no safe save or
162 * backup are necessary.
163 */
164 this_save_mode = EDIT_QUICK_SAVE;
165 }
166 if (fd != -1)
167 mc_close (fd);
168 }
169
170 if (this_save_mode == EDIT_QUICK_SAVE && !edit->skip_detach_prompt)
171 {
172 int rv;
173 struct stat sb;
174
175 rv = mc_stat (real_filename_vpath, &sb);
176 if (rv == 0 && sb.st_nlink > 1)
177 {
178 rv = edit_query_dialog3 (_("Warning"),
179 _("File has hard-links. Detach before saving?"),
180 _("&Yes"), _("&No"), _("&Cancel"));
181 switch (rv)
182 {
183 case 0:
184 this_save_mode = EDIT_SAFE_SAVE;
185 /* fallthrough */
186 case 1:
187 edit->skip_detach_prompt = 1;
188 break;
189 default:
190 vfs_path_free (real_filename_vpath);
191 return -1;
192 }
193 }
194
195 /* Prevent overwriting changes from other editor sessions. */
196 if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime)
197 {
198 /* The default action is "Cancel". */
199 query_set_sel (1);
200
201 rv = edit_query_dialog2 (_("Warning"),
202 _("The file has been modified in the meantime. Save anyway?"),
203 _("&Yes"), _("&Cancel"));
204 if (rv != 0)
205 {
206 vfs_path_free (real_filename_vpath);
207 return -1;
208 }
209 }
210 }
211
212 if (this_save_mode != EDIT_QUICK_SAVE)
213 {
214 char *savedir, *saveprefix;
215
216 savedir = vfs_path_tokens_get (real_filename_vpath, 0, -1);
217 if (savedir == NULL)
218 savedir = g_strdup (".");
219
220 /* Token-related function never return leading slash, so we need add it manually */
221 saveprefix = mc_build_filename ("/", savedir, "cooledit", NULL);
222 g_free (savedir);
223 fd = mc_mkstemps (&savename_vpath, saveprefix, NULL);
224 g_free (saveprefix);
225 if (savename_vpath == NULL)
226 {
227 vfs_path_free (real_filename_vpath);
228 return 0;
229 }
230 /* FIXME:
231 * Close for now because mc_mkstemps use pure open system call
232 * to create temporary file and it needs to be reopened by
233 * VFS-aware mc_open().
234 */
235 close (fd);
236 }
237 else
238 savename_vpath = vfs_path_clone (real_filename_vpath);
239
240 (void) mc_chown (savename_vpath, edit->stat1.st_uid, edit->stat1.st_gid);
241 (void) mc_chmod (savename_vpath, edit->stat1.st_mode);
242
243 fd = mc_open (savename_vpath, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, edit->stat1.st_mode);
244 if (fd == -1)
245 goto error_save;
246
247 /* pipe save */
248 p = edit_get_write_filter (savename_vpath, real_filename_vpath);
249 if (p != NULL)
250 {
251 FILE *file;
252
253 mc_close (fd);
254 file = (FILE *) popen (p, "w");
255
256 if (file)
257 {
258 filelen = edit_write_stream (edit, file);
259 #if 1
260 pclose (file);
261 #else
262 if (pclose (file) != 0)
263 {
264 tmp = g_strdup_printf (_("Error writing to pipe: %s"), p);
265 edit_error_dialog (_("Error"), tmp);
266 g_free (tmp);
267 g_free (p);
268 goto error_save;
269 }
270 #endif
271 }
272 else
273 {
274 tmp = g_strdup_printf (_("Cannot open pipe for writing: %s"), p);
275 edit_error_dialog (_("Error"), get_sys_error (tmp));
276 g_free (p);
277 g_free (tmp);
278 goto error_save;
279 }
280 g_free (p);
281 }
282 else if (edit->lb == LB_ASIS)
283 { /* do not change line breaks */
284 long buf;
285 buf = 0;
286 filelen = edit->last_byte;
287 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1)
288 {
289 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE)
290 {
291 mc_close (fd);
292 goto error_save;
293 }
294 buf++;
295 }
296 if (mc_write
297 (fd, (char *) edit->buffers1[buf],
298 edit->curs1 & M_EDIT_BUF_SIZE) != (edit->curs1 & M_EDIT_BUF_SIZE))
299 {
300 filelen = -1;
301 }
302 else if (edit->curs2)
303 {
304 edit->curs2--;
305 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
306 if (mc_write
307 (fd,
308 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
309 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
310 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) != 1 + (edit->curs2 & M_EDIT_BUF_SIZE))
311 {
312 filelen = -1;
313 }
314 else
315 {
316 while (--buf >= 0)
317 {
318 if (mc_write (fd, (char *) edit->buffers2[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE)
319 {
320 filelen = -1;
321 break;
322 }
323 }
324 }
325 edit->curs2++;
326 }
327 if (mc_close (fd))
328 goto error_save;
329
330 /* Update the file information, especially the mtime. */
331 if (mc_stat (savename_vpath, &edit->stat1) == -1)
332 goto error_save;
333 }
334 else
335 { /* change line breaks */
336 FILE *file;
337 const vfs_path_element_t *path_element;
338
339 mc_close (fd);
340
341 path_element = vfs_path_get_by_index (savename_vpath, -1);
342 file = (FILE *) fopen (path_element->path, "w");
343 if (file != NULL)
344 {
345 filelen = edit_write_stream (edit, file);
346 fclose (file);
347 }
348 else
349 {
350 char *msg;
351
352 msg = g_strdup_printf (_("Cannot open file for writing: %s"), path_element->path);
353 edit_error_dialog (_("Error"), msg);
354 g_free (msg);
355 goto error_save;
356 }
357 }
358
359 if (filelen != edit->last_byte)
360 goto error_save;
361
362 if (this_save_mode == EDIT_DO_BACKUP)
363 {
364 char *tmp_store_filename;
365 vfs_path_element_t *last_vpath_element;
366 vfs_path_t *tmp_vpath;
367 gboolean ok;
368
369 #ifdef HAVE_ASSERT_H
370 assert (option_backup_ext != NULL);
371 #endif
372 /* add backup extention to the path */
373 tmp_vpath = vfs_path_clone (real_filename_vpath);
374 last_vpath_element = (vfs_path_element_t *) vfs_path_get_by_index (tmp_vpath, -1);
375 tmp_store_filename = last_vpath_element->path;
376 last_vpath_element->path = g_strdup_printf ("%s%s", tmp_store_filename, option_backup_ext);
377 g_free (tmp_store_filename);
378
379 ok = (mc_rename (real_filename_vpath, tmp_vpath) != -1);
380 vfs_path_free (tmp_vpath);
381 if (!ok)
382 goto error_save;
383 }
384
385 if (this_save_mode != EDIT_QUICK_SAVE)
386 if (mc_rename (savename_vpath, real_filename_vpath) == -1)
387 goto error_save;
388
389 vfs_path_free (real_filename_vpath);
390 vfs_path_free (savename_vpath);
391 return 1;
392 error_save:
393 /* FIXME: Is this safe ?
394 * if (this_save_mode != EDIT_QUICK_SAVE)
395 * mc_unlink (savename);
396 */
397 vfs_path_free (real_filename_vpath);
398 vfs_path_free (savename_vpath);
399 return 0;
400 }
401
402 /* --------------------------------------------------------------------------------------------- */
403
404 static gboolean
405 edit_check_newline (WEdit * edit)
406 {
407 return !(option_check_nl_at_eof && edit->last_byte > 0
408 && edit_get_byte (edit, edit->last_byte - 1) != '\n'
409 && edit_query_dialog2 (_("Warning"),
410 _("The file you are saving is not finished with a newline"),
411 _("C&ontinue"), _("&Cancel")));
412 }
413
414 /* --------------------------------------------------------------------------------------------- */
415
416 static vfs_path_t *
417 edit_get_save_file_as (WEdit * edit)
418 {
419 #define DLG_WIDTH 64
420 #define DLG_HEIGHT 14
421
422 static LineBreaks cur_lb = LB_ASIS;
423
424 char *filename = vfs_path_to_str (edit->filename_vpath);
425 char *filename_res;
426
427 const char *lb_names[LB_NAMES] = {
428 N_("&Do not change"),
429 N_("&Unix format (LF)"),
430 N_("&Windows/DOS format (CR LF)"),
431 N_("&Macintosh format (CR)")
432 };
433
434 QuickWidget quick_widgets[] = {
435 QUICK_BUTTON (6, 10, DLG_HEIGHT - 3, DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
436 QUICK_BUTTON (2, 10, DLG_HEIGHT - 3, DLG_HEIGHT, N_("&OK"), B_ENTER, NULL),
437 QUICK_RADIO (5, DLG_WIDTH, DLG_HEIGHT - 8, DLG_HEIGHT, LB_NAMES, lb_names, (int *) &cur_lb),
438 QUICK_LABEL (3, DLG_WIDTH, DLG_HEIGHT - 9, DLG_HEIGHT, N_("Change line breaks to:")),
439 QUICK_INPUT (3, DLG_WIDTH, DLG_HEIGHT - 11, DLG_HEIGHT, filename, DLG_WIDTH - 6, 0,
440 "save-as", &filename_res),
441 QUICK_LABEL (3, DLG_WIDTH, DLG_HEIGHT - 12, DLG_HEIGHT, N_("Enter file name:")),
442 QUICK_END
443 };
444
445 QuickDialog Quick_options = {
446 DLG_WIDTH, DLG_HEIGHT, -1, -1,
447 N_("Save As"), "[Save File As]",
448 quick_widgets, NULL, FALSE
449 };
450
451 if (quick_dialog (&Quick_options) != B_CANCEL)
452 {
453 char *fname;
454 vfs_path_t *ret_vpath;
455
456 edit->lb = cur_lb;
457 fname = tilde_expand (filename_res);
458 g_free (filename_res);
459 ret_vpath = vfs_path_from_str (fname);
460 g_free (fname);
461 return ret_vpath;
462 }
463 g_free (filename);
464
465 return NULL;
466
467 #undef DLG_WIDTH
468 #undef DLG_HEIGHT
469 }
470
471 /* --------------------------------------------------------------------------------------------- */
472
473 /** returns 1 on success */
474
475 static int
476 edit_save_cmd (WEdit * edit)
477 {
478 int res, save_lock = 0;
479
480 if (!edit->locked && !edit->delete_file)
481 save_lock = lock_file (edit->filename_vpath);
482 res = edit_save_file (edit, edit->filename_vpath);
483
484 /* Maintain modify (not save) lock on failure */
485 if ((res > 0 && edit->locked) || save_lock)
486 edit->locked = unlock_file (edit->filename_vpath);
487
488 /* On failure try 'save as', it does locking on its own */
489 if (!res)
490 return edit_save_as_cmd (edit);
491 edit->force |= REDRAW_COMPLETELY;
492 if (res > 0)
493 {
494 edit->delete_file = 0;
495 edit->modified = 0;
496 }
497
498 return 1;
499 }
500
501 /* --------------------------------------------------------------------------------------------- */
502 /**
503 * Load file content
504 *
505 * @param edit widget object
506 * @param exp_vpath vfs file path
507 * @return TRUE if file content was successfully loaded, FALSE otherwise
508 */
509
510 static gboolean
511 edit_load_file_from_filename (WEdit * edit, const vfs_path_t * exp_vpath)
512 {
513 int prev_locked = edit->locked;
514 vfs_path_t *prev_filename;
515 gboolean ret = TRUE;
516
517 prev_filename = vfs_path_clone (edit->filename_vpath);
518 if (!edit_reload (edit, exp_vpath))
519 ret = FALSE;
520 else if (prev_locked)
521 unlock_file (prev_filename);
522
523 vfs_path_free (prev_filename);
524 return ret;
525 }
526
527 /* --------------------------------------------------------------------------------------------- */
528
529 static void
530 edit_load_syntax_file (WEdit * edit)
531 {
532 vfs_path_t *extdir_vpath;
533 int dir = 0;
534
535 if (geteuid () == 0)
536 {
537 dir = query_dialog (_("Syntax file edit"),
538 _("Which syntax file you want to edit?"), D_NORMAL, 2,
539 _("&User"), _("&System Wide"));
540 }
541
542 extdir_vpath =
543 vfs_path_build_filename (mc_global.sysconfig_dir, "syntax", "Syntax", (char *) NULL);
544 if (!exist_file (vfs_path_get_last_path_str (extdir_vpath)))
545 {
546 vfs_path_free (extdir_vpath);
547 extdir_vpath =
548 vfs_path_build_filename (mc_global.share_data_dir, "syntax", "Syntax", (char *) NULL);
549 }
550
551 if (dir == 0)
552 {
553 vfs_path_t *user_syntax_file_vpath;
554
555 user_syntax_file_vpath = mc_config_get_full_vpath (EDIT_SYNTAX_FILE);
556 check_for_default (extdir_vpath, user_syntax_file_vpath);
557 edit_load_file_from_filename (edit, user_syntax_file_vpath);
558 vfs_path_free (user_syntax_file_vpath);
559 }
560 else if (dir == 1)
561 edit_load_file_from_filename (edit, extdir_vpath);
562
563 vfs_path_free (extdir_vpath);
564 }
565
566 /* --------------------------------------------------------------------------------------------- */
567
568 static void
569 edit_load_menu_file (WEdit * edit)
570 {
571 vfs_path_t *buffer_vpath;
572 vfs_path_t *menufile_vpath;
573 int dir = 0;
574
575 dir = query_dialog (_("Menu edit"),
576 _("Which menu file do you want to edit?"), D_NORMAL,
577 geteuid () != 0 ? 2 : 3, _("&Local"), _("&User"), _("&System Wide"));
578
579 menufile_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU, NULL);
580
581 if (!exist_file (vfs_path_get_last_path_str (menufile_vpath)))
582 {
583 vfs_path_free (menufile_vpath);
584 menufile_vpath = vfs_path_build_filename (mc_global.share_data_dir, EDIT_GLOBAL_MENU, NULL);
585 }
586
587 switch (dir)
588 {
589 case 0:
590 buffer_vpath = vfs_path_from_str (EDIT_LOCAL_MENU);
591 check_for_default (menufile_vpath, buffer_vpath);
592 chmod (vfs_path_get_last_path_str (buffer_vpath), 0600);
593 break;
594
595 case 1:
596 buffer_vpath = mc_config_get_full_vpath (EDIT_HOME_MENU);
597 check_for_default (menufile_vpath, buffer_vpath);
598 break;
599
600 case 2:
601 buffer_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU, NULL);
602 if (!exist_file (vfs_path_get_last_path_str (buffer_vpath)))
603 {
604 vfs_path_free (buffer_vpath);
605 buffer_vpath =
606 vfs_path_build_filename (mc_global.share_data_dir, EDIT_GLOBAL_MENU, NULL);
607 }
608 break;
609
610 default:
611 vfs_path_free (menufile_vpath);
612 return;
613 }
614
615 edit_load_file_from_filename (edit, buffer_vpath);
616
617 vfs_path_free (buffer_vpath);
618 vfs_path_free (menufile_vpath);
619 }
620
621 /* --------------------------------------------------------------------------------------------- */
622
623 static void
624 edit_delete_column_of_text (WEdit * edit)
625 {
626 long p, q, r, m1, m2;
627 long b, c, d, n;
628
629 eval_marks (edit, &m1, &m2);
630 n = edit_move_forward (edit, m1, 0, m2) + 1;
631 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
632 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
633 b = max (min (c, d), min (edit->column1, edit->column2));
634 c = max (c, max (edit->column1, edit->column2));
635
636 while (n--)
637 {
638 r = edit_bol (edit, edit->curs1);
639 p = edit_move_forward3 (edit, r, b, 0);
640 q = edit_move_forward3 (edit, r, c, 0);
641 if (p < m1)
642 p = m1;
643 if (q > m2)
644 q = m2;
645 edit_cursor_move (edit, p - edit->curs1);
646 while (q > p)
647 {
648 /* delete line between margins */
649 if (edit_get_byte (edit, edit->curs1) != '\n')
650 edit_delete (edit, 1);
651 q--;
652 }
653 if (n)
654 /* move to next line except on the last delete */
655 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
656 }
657 }
658
659 /* --------------------------------------------------------------------------------------------- */
660 /** if success return 0 */
661
662 static int
663 edit_block_delete (WEdit * edit)
664 {
665 long count;
666 long start_mark, end_mark;
667 int curs_pos;
668 long curs_line, c1, c2;
669
670 if (eval_marks (edit, &start_mark, &end_mark))
671 return 0;
672 if (edit->column_highlight && edit->mark2 < 0)
673 edit_mark_cmd (edit, FALSE);
674 if ((end_mark - start_mark) > option_max_undo / 2)
675 {
676 /* Warning message with a query to continue or cancel the operation */
677 if (edit_query_dialog2
678 (_("Warning"),
679 _
680 ("Block is large, you may not be able to undo this action"),
681 _("C&ontinue"), _("&Cancel")))
682 {
683 return 1;
684 }
685 }
686 c1 = min (edit->column1, edit->column2);
687 c2 = max (edit->column1, edit->column2);
688 edit->column1 = c1;
689 edit->column2 = c2;
690
691 edit_push_markers (edit);
692
693 curs_line = edit->curs_line;
694
695 curs_pos = edit->curs_col + edit->over_col;
696
697 /* move cursor to start of selection */
698 edit_cursor_move (edit, start_mark - edit->curs1);
699 edit_scroll_screen_over_cursor (edit);
700 count = start_mark;
701 if (start_mark < end_mark)
702 {
703 if (edit->column_highlight)
704 {
705 int line_width;
706
707 if (edit->mark2 < 0)
708 edit_mark_cmd (edit, FALSE);
709 edit_delete_column_of_text (edit);
710 /* move cursor to the saved position */
711 edit_move_to_line (edit, curs_line);
712 /* calculate line width and cursor position before cut */
713 line_width = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
714 edit_eol (edit, edit->curs1));
715 if (option_cursor_beyond_eol && curs_pos > line_width)
716 edit->over_col = curs_pos - line_width;
717 }
718 else
719 {
720 while (count < end_mark)
721 {
722 edit_delete (edit, 1);
723 count++;
724 }
725 }
726 }
727 edit_set_markers (edit, 0, 0, 0, 0);
728 edit->force |= REDRAW_PAGE;
729 return 0;
730 }
731
732 /* --------------------------------------------------------------------------------------------- */
733 /**
734 * Get EOL symbol for searching.
735 *
736 * @param edit editor object
737 * @return EOL symbol
738 */
739
740 static inline char
741 edit_search_get_current_end_line_char (const WEdit * edit)
742 {
743 switch (edit->lb)
744 {
745 case LB_MAC:
746 return '\r';
747 default:
748 return '\n';
749 }
750 }
751
752 /* --------------------------------------------------------------------------------------------- */
753 /**
754 * Checking if search condition have BOL(^) or EOL ($) regexp special characters.
755 *
756 * @param search search object
757 * @return result of checks.
758 */
759
760 static edit_search_line_t
761 edit_get_search_line_type (mc_search_t * search)
762 {
763 edit_search_line_t search_line_type = 0;
764
765 if (search->search_type != MC_SEARCH_T_REGEX)
766 return search_line_type;
767
768 if (*search->original == '^')
769 search_line_type |= AT_START_LINE;
770
771 if (search->original[search->original_len - 1] == '$')
772 search_line_type |= AT_END_LINE;
773 return search_line_type;
774 }
775
776 /* --------------------------------------------------------------------------------------------- */
777 /**
778 * Calculating the start position of next line.
779 *
780 * @param edit editor object
781 * @param current_pos current position
782 * @param max_pos max position
783 * @param end_string_symbol end of line symbol
784 * @return start position of next line
785 */
786
787 static off_t
788 edit_calculate_start_of_next_line (WEdit * edit, off_t current_pos, off_t max_pos,
789 char end_string_symbol)
790 {
791 off_t i;
792
793 for (i = current_pos; i < max_pos; i++)
794 {
795 current_pos++;
796 if (edit_get_byte (edit, i) == end_string_symbol)
797 break;
798 }
799
800 return current_pos;
801 }
802
803 /* --------------------------------------------------------------------------------------------- */
804 /**
805 * Calculating the end position of previous line.
806 *
807 * @param edit editor object
808 * @param current_pos current position
809 * @param end_string_symbol end of line symbol
810 * @return end position of previous line
811 */
812
813 static off_t
814 edit_calculate_end_of_previous_line (WEdit * edit, off_t current_pos, char end_string_symbol)
815 {
816 off_t i;
817
818 for (i = current_pos - 1; i >= 0; i--)
819 if (edit_get_byte (edit, i) == end_string_symbol)
820 break;
821
822 return i;
823 }
824
825 /* --------------------------------------------------------------------------------------------- */
826 /**
827 * Calculating the start position of previous line.
828 *
829 * @param edit editor object
830 * @param current_pos current position
831 * @param end_string_symbol end of line symbol
832 * @return start position of previous line
833 */
834
835 static inline off_t
836 edit_calculate_start_of_previous_line (WEdit * edit, off_t current_pos, char end_string_symbol)
837 {
838 current_pos = edit_calculate_end_of_previous_line (edit, current_pos, end_string_symbol);
839 current_pos = edit_calculate_end_of_previous_line (edit, current_pos, end_string_symbol);
840
841 return (current_pos + 1);
842 }
843
844 /* --------------------------------------------------------------------------------------------- */
845 /**
846 * Calculating the start position of current line.
847 *
848 * @param edit editor object
849 * @param current_pos current position
850 * @param end_string_symbol end of line symbol
851 * @return start position of current line
852 */
853
854 static inline off_t
855 edit_calculate_start_of_current_line (WEdit * edit, off_t current_pos, char end_string_symbol)
856 {
857 current_pos = edit_calculate_end_of_previous_line (edit, current_pos, end_string_symbol);
858
859 return (current_pos + 1);
860 }
861
862 /* --------------------------------------------------------------------------------------------- */
863 /**
864 * Fixing (if needed) search start position if 'only in selection' option present.
865 *
866 * @param edit editor object
867 */
868
869 static void
870 edit_search_fix_search_start_if_selection (WEdit * edit)
871 {
872 long start_mark = 0;
873 long end_mark = 0;
874
875 if (!edit_search_options.only_in_selection)
876 return;
877
878 if (eval_marks (edit, &start_mark, &end_mark) != 0)
879 return;
880
881 if (edit_search_options.backwards)
882 {
883 if (edit->search_start > end_mark || edit->search_start <= start_mark)
884 edit->search_start = end_mark;
885 }
886 else
887 {
888 if (edit->search_start < start_mark || edit->search_start >= end_mark)
889 edit->search_start = start_mark;
890 }
891 }
892
893 /* --------------------------------------------------------------------------------------------- */
894
895 static gboolean
896 editcmd_find (WEdit * edit, gsize * len)
897 {
898 off_t search_start = edit->search_start;
899 off_t search_end;
900 long start_mark = 0;
901 long end_mark = edit->last_byte;
902 int mark_res = 0;
903 char end_string_symbol;
904
905 end_string_symbol = edit_search_get_current_end_line_char (edit);
906
907 /* prepare for search */
908 if (edit_search_options.only_in_selection)
909 {
910 mark_res = eval_marks (edit, &start_mark, &end_mark);
911 if (mark_res != 0)
912 {
913 edit->search->error = MC_SEARCH_E_NOTFOUND;
914 edit->search->error_str = g_strdup (_("Search string not found"));
915 return FALSE;
916 }
917
918 /* fix the start and the end of search block positions */
919 if ((edit->search_line_type & AT_START_LINE) != 0
920 && (start_mark != 0 || edit_get_byte (edit, start_mark - 1) != end_string_symbol))
921 {
922 start_mark =
923 edit_calculate_start_of_next_line (edit, start_mark, edit->last_byte,
924 end_string_symbol);
925 }
926 if ((edit->search_line_type & AT_END_LINE) != 0
927 && (end_mark - 1 != edit->last_byte
928 || edit_get_byte (edit, end_mark) != end_string_symbol))
929 {
930 end_mark = edit_calculate_end_of_previous_line (edit, end_mark, end_string_symbol);
931 }
932 if (start_mark >= end_mark)
933 {
934 edit->search->error = MC_SEARCH_E_NOTFOUND;
935 edit->search->error_str = g_strdup (_("Search string not found"));
936 return FALSE;
937 }
938 }
939 else
940 {
941 if (edit_search_options.backwards)
942 end_mark = max (1, edit->curs1) - 1;
943 }
944
945 /* search */
946 if (edit_search_options.backwards)
947 {
948 /* backward search */
949 search_end = end_mark;
950
951 if ((edit->search_line_type & AT_START_LINE) != 0)
952 search_start =
953 edit_calculate_start_of_current_line (edit, search_start, end_string_symbol);
954
955 while ((int) search_start >= start_mark)
956 {
957 if (search_end > (off_t) (search_start + edit->search->original_len)
958 && mc_search_is_fixed_search_str (edit->search))
959 {
960 search_end = search_start + edit->search->original_len;
961 }
962 if (mc_search_run (edit->search, (void *) edit, search_start, search_end, len)
963 && edit->search->normal_offset == search_start)
964 {
965 return TRUE;
966 }
967
968
969 if ((edit->search_line_type & AT_START_LINE) != 0)
970 search_start =
971 edit_calculate_start_of_previous_line (edit, search_start, end_string_symbol);
972 else
973 search_start--;
974 }
975 edit->search->error_str = g_strdup (_("Search string not found"));
976 }
977 else
978 {
979 /* forward search */
980 if ((edit->search_line_type & AT_START_LINE) != 0 && search_start != start_mark)
981 search_start =
982 edit_calculate_start_of_next_line (edit, search_start, end_mark, end_string_symbol);
983 return mc_search_run (edit->search, (void *) edit, search_start, end_mark, len);
984 }
985 return FALSE;
986 }
987
988 /* --------------------------------------------------------------------------------------------- */
989
990 static char *
991 edit_replace_cmd__conv_to_display (char *str)
992 {
993 #ifdef HAVE_CHARSET
994 GString *tmp;
995
996 tmp = str_convert_to_display (str);
997 if (tmp != NULL)
998 {
999 if (tmp->len != 0)
1000 return g_string_free (tmp, FALSE);
1001 g_string_free (tmp, TRUE);
1002 }
1003 #endif
1004 return g_strdup (str);
1005 }
1006
1007 /* --------------------------------------------------------------------------------------------- */
1008
1009 static char *
1010 edit_replace_cmd__conv_to_input (char *str)
1011 {
1012 #ifdef HAVE_CHARSET
1013 GString *tmp;
1014
1015 tmp = str_convert_to_input (str);
1016 if (tmp != NULL)
1017 {
1018 if (tmp->len != 0)
1019 return g_string_free (tmp, FALSE);
1020 g_string_free (tmp, TRUE);
1021 }
1022 #endif
1023 return g_strdup (str);
1024 }
1025
1026 /* --------------------------------------------------------------------------------------------- */
1027
1028 static void
1029 edit_do_search (WEdit * edit)
1030 {
1031 gsize len = 0;
1032
1033 if (edit->search == NULL)
1034 edit->search_start = edit->curs1;
1035
1036 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1037
1038 if (search_create_bookmark)
1039 {
1040 int found = 0, books = 0;
1041 long l = 0, l_last = -1;
1042 long q = 0;
1043
1044 search_create_bookmark = FALSE;
1045 book_mark_flush (edit, -1);
1046
1047 while (TRUE)
1048 {
1049 if (!mc_search_run (edit->search, (void *) edit, q, edit->last_byte, &len))
1050 break;
1051 if (found == 0)
1052 edit->search_start = edit->search->normal_offset;
1053 found++;
1054 l += edit_count_lines (edit, q, edit->search->normal_offset);
1055 if (l != l_last)
1056 {
1057 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
1058 books++;
1059 }
1060 l_last = l;
1061 q = edit->search->normal_offset + 1;
1062 }
1063
1064 if (found == 0)
1065 edit_error_dialog (_("Search"), _("Search string not found"));
1066 else
1067 edit_cursor_move (edit, edit->search_start - edit->curs1);
1068 }
1069 else
1070 {
1071 if (edit->found_len != 0 && edit->search_start == edit->found_start + 1
1072 && edit_search_options.backwards)
1073 edit->search_start--;
1074
1075 if (edit->found_len != 0 && edit->search_start == edit->found_start - 1
1076 && !edit_search_options.backwards)
1077 edit->search_start++;
1078
1079 if (editcmd_find (edit, &len))
1080 {
1081 edit->found_start = edit->search_start = edit->search->normal_offset;
1082 edit->found_len = len;
1083 edit->over_col = 0;
1084 edit_cursor_move (edit, edit->search_start - edit->curs1);
1085 edit_scroll_screen_over_cursor (edit);
1086 if (edit_search_options.backwards)
1087 edit->search_start--;
1088 else
1089 edit->search_start++;
1090 }
1091 else
1092 {
1093 edit->search_start = edit->curs1;
1094 if (edit->search->error_str != NULL)
1095 edit_error_dialog (_("Search"), edit->search->error_str);
1096 }
1097 }
1098
1099 edit->force |= REDRAW_COMPLETELY;
1100 edit_scroll_screen_over_cursor (edit);
1101 }
1102
1103 /* --------------------------------------------------------------------------------------------- */
1104
1105 static void
1106 edit_search (WEdit * edit)
1107 {
1108 if (editcmd_dialog_search_show (edit))
1109 {
1110 edit->search_line_type = edit_get_search_line_type (edit->search);
1111 edit_search_fix_search_start_if_selection (edit);
1112 edit_do_search (edit);
1113 }
1114 }
1115
1116 /* --------------------------------------------------------------------------------------------- */
1117 /** Return a null terminated length of text. Result must be g_free'd */
1118
1119 static unsigned char *
1120 edit_get_block (WEdit * edit, long start, long finish, int *l)
1121 {
1122 unsigned char *s, *r;
1123 r = s = g_malloc0 (finish - start + 1);
1124 if (edit->column_highlight)
1125 {
1126 *l = 0;
1127 /* copy from buffer, excluding chars that are out of the column 'margins' */
1128 while (start < finish)
1129 {
1130 int c;
1131 long x;
1132 x = edit_move_forward3 (edit, edit_bol (edit, start), 0, start);
1133 c = edit_get_byte (edit, start);
1134 if ((x >= edit->column1 && x < edit->column2)
1135 || (x >= edit->column2 && x < edit->column1) || c == '\n')
1136 {
1137 *s++ = c;
1138 (*l)++;
1139 }
1140 start++;
1141 }
1142 }
1143 else
1144 {
1145 *l = finish - start;
1146 while (start < finish)
1147 *s++ = edit_get_byte (edit, start++);
1148 }
1149 *s = 0;
1150 return r;
1151 }
1152
1153 /* --------------------------------------------------------------------------------------------- */
1154 /** copies a block to clipboard file */
1155
1156 static gboolean
1157 edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
1158 {
1159 gboolean ret;
1160 gchar *tmp;
1161
1162 tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
1163 ret = edit_save_block (edit, tmp, start, finish);
1164 g_free (tmp);
1165 return ret;
1166 }
1167
1168 /* --------------------------------------------------------------------------------------------- */
1169
1170 static void
1171 pipe_mail (WEdit * edit, char *to, char *subject, char *cc)
1172 {
1173 FILE *p = 0;
1174 char *s;
1175
1176 to = name_quote (to, 0);
1177 subject = name_quote (subject, 0);
1178 cc = name_quote (cc, 0);
1179 s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "", cc, " ", to, (char *) NULL);
1180 g_free (to);
1181 g_free (subject);
1182 g_free (cc);
1183
1184 if (s)
1185 {
1186 p = popen (s, "w");
1187 g_free (s);
1188 }
1189
1190 if (p)
1191 {
1192 long i;
1193 for (i = 0; i < edit->last_byte; i++)
1194 fputc (edit_get_byte (edit, i), p);
1195 pclose (p);
1196 }
1197 }
1198
1199 /* --------------------------------------------------------------------------------------------- */
1200
1201 static gboolean
1202 is_break_char (char c)
1203 {
1204 return (isspace (c) || strchr ("{}[]()<>=|/\\!?~-+`'\",.;:#$%^&*", c));
1205 }
1206
1207 /* --------------------------------------------------------------------------------------------- */
1208 /** find first character of current word */
1209
1210 static int
1211 edit_find_word_start (WEdit * edit, long *word_start, gsize * word_len)
1212 {
1213 int c, last;
1214 gsize i;
1215
1216 /* return if at begin of file */
1217 if (edit->curs1 <= 0)
1218 return 0;
1219
1220 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
1221 /* return if not at end or in word */
1222 if (is_break_char (c))
1223 return 0;
1224
1225 /* search start of word to be completed */
1226 for (i = 2;; i++)
1227 {
1228 /* return if at begin of file */
1229 if ((gsize) edit->curs1 < i)
1230 return 0;
1231
1232 last = c;
1233 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
1234
1235 if (is_break_char (c))
1236 {
1237 /* return if word starts with digit */
1238 if (isdigit (last))
1239 return 0;
1240
1241 *word_start = edit->curs1 - (i - 1); /* start found */
1242 *word_len = i - 1;
1243 break;
1244 }
1245 }
1246 /* success */
1247 return 1;
1248 }
1249
1250 /* --------------------------------------------------------------------------------------------- */
1251 /**
1252 * Get current word under cursor
1253 *
1254 * @param edit editor object
1255 * @param srch mc_search object
1256 * @param word_start start word position
1257 *
1258 * @return newly allocated string or NULL if no any words under cursor
1259 */
1260
1261 static char *
1262 edit_collect_completions_get_current_word (WEdit * edit, mc_search_t * srch, long word_start)
1263 {
1264 gsize len = 0, i;
1265 GString *temp;
1266
1267 if (!mc_search_run (srch, (void *) edit, word_start, edit->last_byte, &len))
1268 return NULL;
1269
1270 temp = g_string_sized_new (len);
1271
1272 for (i = 0; i < len; i++)
1273 {
1274 int chr;
1275
1276 chr = edit_get_byte (edit, word_start + i);
1277 if (!isspace (chr))
1278 g_string_append_c (temp, chr);
1279 }
1280
1281 return g_string_free (temp, temp->len == 0);
1282 }
1283
1284 /* --------------------------------------------------------------------------------------------- */
1285 /** collect the possible completions */
1286
1287 static gsize
1288 edit_collect_completions (WEdit * edit, long word_start, gsize word_len,
1289 char *match_expr, struct selection *compl, gsize * num)
1290 {
1291 gsize len = 0;
1292 gsize max_len = 0;
1293 gsize i;
1294 int skip;
1295 GString *temp;
1296 mc_search_t *srch;
1297 long last_byte, start = -1;
1298 char *current_word;
1299
1300 srch = mc_search_new (match_expr, -1);
1301 if (srch == NULL)
1302 return 0;
1303
1304 if (mc_config_get_bool
1305 (mc_main_config, CONFIG_APP_SECTION, "editor_wordcompletion_collect_entire_file", 0))
1306 {
1307 last_byte = edit->last_byte;
1308 }
1309 else
1310 {
1311 last_byte = word_start;
1312 }
1313
1314 srch->search_type = MC_SEARCH_T_REGEX;
1315 srch->is_case_sensitive = TRUE;
1316 srch->search_fn = edit_search_cmd_callback;
1317
1318 current_word = edit_collect_completions_get_current_word (edit, srch, word_start);
1319
1320 temp = g_string_new ("");
1321
1322 /* collect max MAX_WORD_COMPLETIONS completions */
1323 while (mc_search_run (srch, (void *) edit, start + 1, last_byte, &len))
1324 {
1325 g_string_set_size (temp, 0);
1326 start = srch->normal_offset;
1327
1328 /* add matched completion if not yet added */
1329 for (i = 0; i < len; i++)
1330 {
1331 skip = edit_get_byte (edit, start + i);
1332 if (isspace (skip))
1333 continue;
1334
1335 /* skip current word */
1336 if (start + (long) i == word_start)
1337 break;
1338
1339 g_string_append_c (temp, skip);
1340 }
1341
1342 if (temp->len == 0)
1343 continue;
1344
1345 if (current_word != NULL && strcmp (current_word, temp->str) == 0)
1346 continue;
1347
1348 skip = 0;
1349
1350 for (i = 0; i < *num; i++)
1351 {
1352 if (strncmp
1353 ((char *) &compl[i].text[word_len],
1354 (char *) &temp->str[word_len], max (len, compl[i].len) - word_len) == 0)
1355 {
1356 struct selection this = compl[i];
1357 for (++i; i < *num; i++)
1358 {
1359 compl[i - 1] = compl[i];
1360 }
1361 compl[*num - 1] = this;
1362 skip = 1;
1363 break; /* skip it, already added */
1364 }
1365 }
1366 if (skip != 0)
1367 continue;
1368
1369 if (*num == MAX_WORD_COMPLETIONS)
1370 {
1371 g_free (compl[0].text);
1372 for (i = 1; i < *num; i++)
1373 {
1374 compl[i - 1] = compl[i];
1375 }
1376 (*num)--;
1377 }
1378 #ifdef HAVE_CHARSET
1379 {
1380 GString *recoded;
1381 recoded = str_convert_to_display (temp->str);
1382
1383 if (recoded && recoded->len)
1384 g_string_assign (temp, recoded->str);
1385
1386 g_string_free (recoded, TRUE);
1387 }
1388 #endif
1389 compl[*num].text = g_strdup (temp->str);
1390 compl[*num].len = temp->len;
1391 (*num)++;
1392 start += len;
1393
1394 /* note the maximal length needed for the completion dialog */
1395 if (len > max_len)
1396 max_len = len;
1397 }
1398
1399 mc_search_free (srch);
1400 g_string_free (temp, TRUE);
1401 g_free (current_word);
1402
1403 return max_len;
1404 }
1405
1406 /* --------------------------------------------------------------------------------------------- */
1407
1408 static void
1409 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width,
1410 long *start_pos, long *end_pos, int *col1, int *col2)
1411 {
1412 long cursor;
1413 int i, col;
1414
1415 cursor = edit->curs1;
1416 col = edit_get_col (edit);
1417
1418 for (i = 0; i < size; i++)
1419 {
1420 if (data[i] != '\n')
1421 edit_insert (edit, data[i]);
1422 else
1423 { /* fill in and move to next line */
1424 int l;
1425 long p;
1426
1427 if (edit_get_byte (edit, edit->curs1) != '\n')
1428 {
1429 l = width - (edit_get_col (edit) - col);
1430 while (l > 0)
1431 {
1432 edit_insert (edit, ' ');
1433 l -= space_width;
1434 }
1435 }
1436 for (p = edit->curs1;; p++)
1437 {
1438 if (p == edit->last_byte)
1439 {
1440 edit_cursor_move (edit, edit->last_byte - edit->curs1);
1441 edit_insert_ahead (edit, '\n');
1442 p++;
1443 break;
1444 }
1445 if (edit_get_byte (edit, p) == '\n')
1446 {
1447 p++;
1448 break;
1449 }
1450 }
1451 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
1452 l = col - edit_get_col (edit);
1453 while (l >= space_width)
1454 {
1455 edit_insert (edit, ' ');
1456 l -= space_width;
1457 }
1458 }
1459 }
1460
1461 *col1 = col;
1462 *col2 = col + width;
1463 *start_pos = cursor;
1464 *end_pos = edit->curs1;
1465 edit_cursor_move (edit, cursor - edit->curs1);
1466 }
1467
1468 /* --------------------------------------------------------------------------------------------- */
1469
1470 static int
1471 edit_macro_comparator (gconstpointer * macro1, gconstpointer * macro2)
1472 {
1473 const macros_t *m1 = (const macros_t *) macro1;
1474 const macros_t *m2 = (const macros_t *) macro2;
1475
1476 return m1->hotkey - m2->hotkey;
1477 }
1478
1479 /* --------------------------------------------------------------------------------------------- */
1480
1481 static void
1482 edit_macro_sort_by_hotkey (void)
1483 {
1484 if (macros_list != NULL && macros_list->len != 0)
1485 g_array_sort (macros_list, (GCompareFunc) edit_macro_comparator);
1486 }
1487
1488 /* --------------------------------------------------------------------------------------------- */
1489
1490 static gboolean
1491 edit_get_macro (WEdit * edit, int hotkey, const macros_t ** macros, guint * indx)
1492 {
1493 const macros_t *array_start = &g_array_index (macros_list, struct macros_t, 0);
1494 macros_t *result;
1495 macros_t search_macro;
1496
1497 (void) edit;
1498
1499 search_macro.hotkey = hotkey;
1500 result = bsearch (&search_macro, macros_list->data, macros_list->len,
1501 sizeof (macros_t), (GCompareFunc) edit_macro_comparator);
1502
1503 if (result != NULL && result->macro != NULL)
1504 {
1505 *indx = (result - array_start);
1506 *macros = result;
1507 return TRUE;
1508 }
1509 *indx = 0;
1510 return FALSE;
1511 }
1512
1513 /* --------------------------------------------------------------------------------------------- */
1514 /** returns FALSE on error */
1515
1516 static gboolean
1517 edit_delete_macro (WEdit * edit, int hotkey)
1518 {
1519 mc_config_t *macros_config = NULL;
1520 const char *section_name = "editor";
1521 gchar *macros_fname;
1522 guint indx;
1523 char *skeyname;
1524 const macros_t *macros = NULL;
1525
1526 /* clear array of actions for current hotkey */
1527 while (edit_get_macro (edit, hotkey, &macros, &indx))
1528 {
1529 if (macros->macro != NULL)
1530 g_array_free (macros->macro, TRUE);
1531 macros = NULL;
1532 g_array_remove_index (macros_list, indx);
1533 edit_macro_sort_by_hotkey ();
1534 }
1535
1536 macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
1537 macros_config = mc_config_init (macros_fname, FALSE);
1538 g_free (macros_fname);
1539
1540 if (macros_config == NULL)
1541 return FALSE;
1542
1543 skeyname = lookup_key_by_code (hotkey);
1544 while (mc_config_del_key (macros_config, section_name, skeyname))
1545 ;
1546 g_free (skeyname);
1547 mc_config_save_file (macros_config, NULL);
1548 mc_config_deinit (macros_config);
1549 return TRUE;
1550 }
1551
1552
1553 /* --------------------------------------------------------------------------------------------- */
1554 /*** public functions ****************************************************************************/
1555 /* --------------------------------------------------------------------------------------------- */
1556
1557 void
1558 edit_help_cmd (WEdit * edit)
1559 {
1560 ev_help_t event_data = { NULL, "[Internal File Editor]" };
1561 mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
1562
1563 edit->force |= REDRAW_COMPLETELY;
1564 }
1565
1566 /* --------------------------------------------------------------------------------------------- */
1567
1568 void
1569 edit_refresh_cmd (WEdit * edit)
1570 {
1571 #ifdef HAVE_SLANG
1572 int color;
1573
1574 edit_get_syntax_color (edit, -1, &color);
1575 tty_touch_screen ();
1576 mc_refresh ();
1577 #else
1578 (void) edit;
1579
1580 clr_scr ();
1581 repaint_screen ();
1582 #endif /* !HAVE_SLANG */
1583 tty_keypad (TRUE);
1584 }
1585
1586 /* --------------------------------------------------------------------------------------------- */
1587
1588 void
1589 menu_save_mode_cmd (void)
1590 {
1591 /* diaog sizes */
1592 const int DLG_X = 38;
1593 const int DLG_Y = 13;
1594
1595 char *str_result;
1596
1597 const char *str[] = {
1598 N_("&Quick save"),
1599 N_("&Safe save"),
1600 N_("&Do backups with following extension:")
1601 };
1602
1603 QuickWidget widgets[] = {
1604 /* 0 */
1605 QUICK_BUTTON (18, DLG_X, DLG_Y - 3, DLG_Y, N_("&Cancel"), B_CANCEL, NULL),
1606 /* 1 */
1607 QUICK_BUTTON (6, DLG_X, DLG_Y - 3, DLG_Y, N_("&OK"), B_ENTER, NULL),
1608 /* 2 */
1609 QUICK_CHECKBOX (4, DLG_X, 8, DLG_Y, N_("Check &POSIX new line"), &option_check_nl_at_eof),
1610 /* 3 */
1611 QUICK_INPUT (8, DLG_X, 6, DLG_Y, option_backup_ext, 9, 0, "edit-backup-ext", &str_result),
1612 /* 4 */
1613 QUICK_RADIO (4, DLG_X, 3, DLG_Y, 3, str, &option_save_mode),
1614 QUICK_END
1615 };
1616
1617 QuickDialog dialog = {
1618 DLG_X, DLG_Y, -1, -1, N_("Edit Save Mode"),
1619 "[Edit Save Mode]", widgets, NULL, FALSE
1620 };
1621
1622 size_t i;
1623 size_t maxlen = 0;
1624 size_t w0, w1, b_len, w3;
1625
1626 #ifdef HAVE_ASSERT_H
1627 assert (option_backup_ext != NULL);
1628 #endif
1629
1630 /* OK/Cancel buttons */
1631 w0 = str_term_width1 (_(widgets[0].u.button.text)) + 3;
1632 w1 = str_term_width1 (_(widgets[1].u.button.text)) + 5; /* default button */
1633 b_len = w0 + w1 + 3;
1634
1635 maxlen = max (b_len, (size_t) str_term_width1 (_(dialog.title)) + 2);
1636
1637 w3 = 0;
1638 for (i = 0; i < 3; i++)
1639 {
1640 #ifdef ENABLE_NLS
1641 str[i] = _(str[i]);
1642 #endif
1643 w3 = max (w3, (size_t) str_term_width1 (str[i]));
1644 }
1645
1646 maxlen = max (maxlen, w3 + 4);
1647
1648 dialog.xlen = min ((size_t) COLS, maxlen + 8);
1649
1650 widgets[3].u.input.len = w3;
1651 widgets[1].relative_x = (dialog.xlen - b_len) / 2;
1652 widgets[0].relative_x = widgets[1].relative_x + w0 + 2;
1653
1654 for (i = 0; i < sizeof (widgets) / sizeof (widgets[0]); i++)
1655 widgets[i].x_divisions = dialog.xlen;
1656
1657 if (quick_dialog (&dialog) != B_CANCEL)
1658 {
1659 g_free (option_backup_ext);
1660 option_backup_ext = str_result;
1661 }
1662 }
1663
1664 /* --------------------------------------------------------------------------------------------- */
1665
1666 void
1667 edit_set_filename (WEdit * edit, const vfs_path_t * name_vpath)
1668 {
1669 vfs_path_free (edit->filename_vpath);
1670 edit->filename_vpath = vfs_path_clone (name_vpath);
1671
1672 if (edit->dir_vpath == NULL)
1673 edit->dir_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
1674 }
1675
1676 /* --------------------------------------------------------------------------------------------- */
1677 /* Here we want to warn the users of overwriting an existing file,
1678 but only if they have made a change to the filename */
1679 /* returns 1 on success */
1680 int
1681 edit_save_as_cmd (WEdit * edit)
1682 {
1683 /* This heads the 'Save As' dialog box */
1684 vfs_path_t *exp_vpath;
1685 int save_lock = 0;
1686 int different_filename = 0;
1687
1688 if (!edit_check_newline (edit))
1689 return 0;
1690
1691 exp_vpath = edit_get_save_file_as (edit);
1692 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1693
1694 if (exp_vpath != NULL)
1695 {
1696 if (vfs_path_len (exp_vpath) == 0)
1697 goto ret;
1698 else
1699 {
1700 int rv;
1701
1702 if (vfs_path_cmp (edit->filename_vpath, exp_vpath) != 0)
1703 {
1704 int file;
1705 struct stat sb;
1706
1707 if (mc_stat (exp_vpath, &sb) == 0 && !S_ISREG (sb.st_mode))
1708 {
1709 edit_error_dialog (_("Save as"),
1710 get_sys_error (_
1711 ("Cannot save: destination is not a regular file")));
1712 goto ret;
1713 }
1714
1715 different_filename = 1;
1716 file = mc_open (exp_vpath, O_RDONLY | O_BINARY);
1717
1718 if (file != -1)
1719 {
1720 /* the file exists */
1721 mc_close (file);
1722 /* Overwrite the current file or cancel the operation */
1723 if (edit_query_dialog2
1724 (_("Warning"),
1725 _("A file already exists with this name"), _("&Overwrite"), _("&Cancel")))
1726 goto ret;
1727 }
1728 else
1729 {
1730 edit->stat1.st_mode |= S_IWUSR;
1731 }
1732 save_lock = lock_file (exp_vpath);
1733 }
1734 else
1735 {
1736 /* filenames equal, check if already locked */
1737 if (!edit->locked && !edit->delete_file)
1738 save_lock = lock_file (exp_vpath);
1739 }
1740
1741 if (different_filename)
1742 {
1743 /*
1744 * Allow user to write into saved (under another name) file
1745 * even if original file had r/o user permissions.
1746 */
1747 edit->stat1.st_mode |= S_IWRITE;
1748 }
1749
1750 rv = edit_save_file (edit, exp_vpath);
1751 switch (rv)
1752 {
1753 case 1:
1754 /* Succesful, so unlock both files */
1755 if (different_filename)
1756 {
1757 if (save_lock)
1758 unlock_file (exp_vpath);
1759 if (edit->locked)
1760 edit->locked = unlock_file (edit->filename_vpath);
1761 }
1762 else
1763 {
1764 if (edit->locked || save_lock)
1765 edit->locked = unlock_file (edit->filename_vpath);
1766 }
1767
1768 edit_set_filename (edit, exp_vpath);
1769 if (edit->lb != LB_ASIS)
1770 edit_reload (edit, exp_vpath);
1771 edit->modified = 0;
1772 edit->delete_file = 0;
1773 if (different_filename)
1774 edit_load_syntax (edit, NULL, edit->syntax_type);
1775 vfs_path_free (exp_vpath);
1776 edit->force |= REDRAW_COMPLETELY;
1777 return 1;
1778 default:
1779 edit_error_dialog (_("Save as"), get_sys_error (_("Cannot save file")));
1780 /* fallthrough */
1781 case -1:
1782 /* Failed, so maintain modify (not save) lock */
1783 if (save_lock)
1784 unlock_file (exp_vpath);
1785 break;
1786 }
1787 }
1788 }
1789
1790 ret:
1791 vfs_path_free (exp_vpath);
1792 edit->force |= REDRAW_COMPLETELY;
1793 return 0;
1794 }
1795
1796 /* {{{ Macro stuff starts here */
1797 /* --------------------------------------------------------------------------------------------- */
1798
1799 void
1800 edit_delete_macro_cmd (WEdit * edit)
1801 {
1802 int hotkey;
1803
1804 hotkey = editcmd_dialog_raw_key_query (_("Delete macro"), _("Press macro hotkey:"), TRUE);
1805
1806 if (hotkey != 0 && !edit_delete_macro (edit, hotkey))
1807 message (D_ERROR, _("Delete macro"), _("Macro not deleted"));
1808 }
1809
1810 /* --------------------------------------------------------------------------------------------- */
1811
1812 /** returns FALSE on error */
1813 gboolean
1814 edit_execute_macro (WEdit * edit, int hotkey)
1815 {
1816 gboolean res = FALSE;
1817
1818 if (hotkey != 0)
1819 {
1820 const macros_t *macros;
1821 guint indx;
1822
1823 if (edit_get_macro (edit, hotkey, &macros, &indx) &&
1824 macros->macro != NULL && macros->macro->len != 0)
1825 {
1826 guint i;
1827
1828 edit->force |= REDRAW_PAGE;
1829
1830 for (i = 0; i < macros->macro->len; i++)
1831 {
1832 const macro_action_t *m_act;
1833
1834 m_act = &g_array_index (macros->macro, struct macro_action_t, i);
1835 edit_execute_cmd (edit, m_act->action, m_act->ch);
1836 res = TRUE;
1837 }
1838 }
1839 }
1840
1841 return res;
1842 }
1843
1844 /* --------------------------------------------------------------------------------------------- */
1845
1846 /** returns FALSE on error */
1847 gboolean
1848 edit_store_macro_cmd (WEdit * edit)
1849 {
1850 int i;
1851 int hotkey;
1852 GString *marcros_string;
1853 mc_config_t *macros_config = NULL;
1854 const char *section_name = "editor";
1855 gchar *macros_fname;
1856 GArray *macros; /* current macro */
1857 int tmp_act;
1858 gboolean have_macro = FALSE;
1859 char *skeyname = NULL;
1860
1861 hotkey =
1862 editcmd_dialog_raw_key_query (_("Save macro"), _("Press the macro's new hotkey:"), TRUE);
1863 if (hotkey == ESC_CHAR)
1864 return FALSE;
1865
1866 tmp_act = keybind_lookup_keymap_command (editor_map, hotkey);
1867
1868 /* return FALSE if try assign macro into restricted hotkeys */
1869 if (tmp_act == CK_MacroStartRecord
1870 || tmp_act == CK_MacroStopRecord || tmp_act == CK_MacroStartStopRecord)
1871 return FALSE;
1872
1873 edit_delete_macro (edit, hotkey);
1874
1875 macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
1876 macros_config = mc_config_init (macros_fname, FALSE);
1877 g_free (macros_fname);
1878
1879 if (macros_config == NULL)
1880 return FALSE;
1881
1882 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1883
1884 marcros_string = g_string_sized_new (250);
1885 macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
1886
1887 skeyname = lookup_key_by_code (hotkey);
1888
1889 for (i = 0; i < macro_index; i++)
1890 {
1891 macro_action_t m_act;
1892 const char *action_name;
1893
1894 action_name = keybind_lookup_actionname (record_macro_buf[i].action);
1895
1896 if (action_name == NULL)
1897 break;
1898
1899 m_act.action = record_macro_buf[i].action;
1900 m_act.ch = record_macro_buf[i].ch;
1901 g_array_append_val (macros, m_act);
1902 have_macro = TRUE;
1903 g_string_append_printf (marcros_string, "%s:%i;", action_name,
1904 (int) record_macro_buf[i].ch);
1905 }
1906 if (have_macro)
1907 {
1908 macros_t macro;
1909 macro.hotkey = hotkey;
1910 macro.macro = macros;
1911 g_array_append_val (macros_list, macro);
1912 mc_config_set_string (macros_config, section_name, skeyname, marcros_string->str);
1913 }
1914 else
1915 mc_config_del_key (macros_config, section_name, skeyname);
1916
1917 g_free (skeyname);
1918 edit_macro_sort_by_hotkey ();
1919
1920 g_string_free (marcros_string, TRUE);
1921 mc_config_save_file (macros_config, NULL);
1922 mc_config_deinit (macros_config);
1923 return TRUE;
1924 }
1925
1926 /* --------------------------------------------------------------------------------------------- */
1927
1928 gboolean
1929 edit_repeat_macro_cmd (WEdit * edit)
1930 {
1931 int i, j;
1932 char *f;
1933 long count_repeat;
1934 char *error = NULL;
1935
1936 f = input_dialog (_("Repeat last commands"), _("Repeat times:"), MC_HISTORY_EDIT_REPEAT, NULL);
1937 if (f == NULL || *f == '\0')
1938 {
1939 g_free (f);
1940 return FALSE;
1941 }
1942
1943 count_repeat = strtol (f, &error, 0);
1944
1945 if (*error != '\0')
1946 {
1947 g_free (f);
1948 return FALSE;
1949 }
1950
1951 g_free (f);
1952
1953 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1954 edit->force |= REDRAW_PAGE;
1955
1956 for (j = 0; j < count_repeat; j++)
1957 for (i = 0; i < macro_index; i++)
1958 edit_execute_cmd (edit, record_macro_buf[i].action, record_macro_buf[i].ch);
1959 edit_update_screen (edit);
1960 return TRUE;
1961 }
1962
1963 /* --------------------------------------------------------------------------------------------- */
1964 /** return FALSE on error */
1965
1966 gboolean
1967 edit_load_macro_cmd (WEdit * edit)
1968 {
1969 mc_config_t *macros_config = NULL;
1970 gchar **profile_keys, **keys;
1971 gchar **values, **curr_values;
1972 gsize len, values_len;
1973 const char *section_name = "editor";
1974 gchar *macros_fname;
1975 int hotkey;
1976
1977 (void) edit;
1978
1979 macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
1980 macros_config = mc_config_init (macros_fname, TRUE);
1981 g_free (macros_fname);
1982
1983 if (macros_config == NULL)
1984 return FALSE;
1985
1986 profile_keys = keys = mc_config_get_keys (macros_config, section_name, &len);
1987 while (*profile_keys != NULL)
1988 {
1989 gboolean have_macro;
1990 GArray *macros;
1991 macros_t macro;
1992
1993 macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
1994
1995 curr_values = values = mc_config_get_string_list (macros_config, section_name,
1996 *profile_keys, &values_len);
1997 hotkey = lookup_key (*profile_keys, NULL);
1998 have_macro = FALSE;
1999
2000 while (*curr_values != NULL && *curr_values[0] != '\0')
2001 {
2002 char **macro_pair = NULL;
2003
2004 macro_pair = g_strsplit (*curr_values, ":", 2);
2005
2006 if (macro_pair != NULL)
2007 {
2008 macro_action_t m_act;
2009 if (macro_pair[0] == NULL || macro_pair[0][0] == '\0')
2010 m_act.action = 0;
2011 else
2012 {
2013 m_act.action = keybind_lookup_action (macro_pair[0]);
2014 g_free (macro_pair[0]);
2015 macro_pair[0] = NULL;
2016 }
2017 if (macro_pair[1] == NULL || macro_pair[1][0] == '\0')
2018 m_act.ch = -1;
2019 else
2020 {
2021 m_act.ch = strtol (macro_pair[1], NULL, 0);
2022 g_free (macro_pair[1]);
2023 macro_pair[1] = NULL;
2024 }
2025 if (m_act.action != 0)
2026 {
2027 /* a shell command */
2028 if ((m_act.action / CK_PipeBlock (0)) == 1)
2029 {
2030 m_act.action = CK_PipeBlock (0) + (m_act.ch > 0 ? m_act.ch : 0);
2031 m_act.ch = -1;
2032 }
2033 g_array_append_val (macros, m_act);
2034 have_macro = TRUE;
2035 }
2036 g_strfreev (macro_pair);
2037 macro_pair = NULL;
2038 }
2039 curr_values++;
2040 }
2041 if (have_macro)
2042 {
2043 macro.hotkey = hotkey;
2044 macro.macro = macros;
2045 g_array_append_val (macros_list, macro);
2046 }
2047 profile_keys++;
2048 g_strfreev (values);
2049 }
2050 g_strfreev (keys);
2051 mc_config_deinit (macros_config);
2052 edit_macro_sort_by_hotkey ();
2053 return TRUE;
2054 }
2055
2056 /* }}} Macro stuff end here */
2057
2058 /* --------------------------------------------------------------------------------------------- */
2059 /** returns 1 on success */
2060
2061 int
2062 edit_save_confirm_cmd (WEdit * edit)
2063 {
2064 gchar *f = NULL;
2065
2066 if (edit->filename_vpath == NULL)
2067 return edit_save_as_cmd (edit);
2068
2069 if (!edit_check_newline (edit))
2070 return 0;
2071
2072 if (edit_confirm_save)
2073 {
2074 char *filename;
2075 gboolean ok;
2076
2077 filename = vfs_path_to_str (edit->filename_vpath);
2078 f = g_strdup_printf (_("Confirm save file: \"%s\""), filename);
2079 g_free (filename);
2080 ok = (edit_query_dialog2 (_("Save file"), f, _("&Save"), _("&Cancel")) == 0);
2081 g_free (f);
2082 if (!ok)
2083 return 0;
2084 }
2085 return edit_save_cmd (edit);
2086 }
2087
2088 /* --------------------------------------------------------------------------------------------- */
2089
2090 /* returns TRUE on success */
2091 gboolean
2092 edit_new_cmd (WEdit * edit)
2093 {
2094 if (edit->modified
2095 && edit_query_dialog2 (_("Warning"),
2096 _("Current text was modified without a file save.\n"
2097 "Continue discards these changes"),
2098 _("C&ontinue"), _("&Cancel")) == 1)
2099 {
2100 edit->force |= REDRAW_COMPLETELY;
2101 return TRUE;
2102 }
2103
2104 edit->force |= REDRAW_COMPLETELY;
2105
2106 return edit_renew (edit); /* if this gives an error, something has really screwed up */
2107 }
2108
2109 /* --------------------------------------------------------------------------------------------- */
2110
2111 gboolean
2112 edit_load_cmd (WEdit * edit, edit_current_file_t what)
2113 {
2114 gboolean ret = TRUE;
2115
2116 if (edit->modified
2117 && edit_query_dialog2 (_("Warning"),
2118 _("Current text was modified without a file save.\n"
2119 "Continue discards these changes"), _("C&ontinue"),
2120 _("&Cancel")) == 1)
2121 {
2122 edit->force |= REDRAW_COMPLETELY;
2123 return TRUE;
2124 }
2125
2126 switch (what)
2127 {
2128 case EDIT_FILE_COMMON:
2129 {
2130 char *filename, *exp;
2131
2132 filename = vfs_path_to_str (edit->filename_vpath);
2133 exp = input_expand_dialog (_("Load"), _("Enter file name:"),
2134 MC_HISTORY_EDIT_LOAD, filename);
2135 g_free (filename);
2136
2137 if (exp != NULL && *exp != '\0')
2138 {
2139 vfs_path_t *exp_vpath;
2140
2141 exp_vpath = vfs_path_from_str (exp);
2142 ret = edit_load_file_from_filename (edit, exp_vpath);
2143 vfs_path_free (exp_vpath);
2144 }
2145
2146 g_free (exp);
2147 }
2148 break;
2149
2150 case EDIT_FILE_SYNTAX:
2151 edit_load_syntax_file (edit);
2152 break;
2153
2154 case EDIT_FILE_MENU:
2155 edit_load_menu_file (edit);
2156 break;
2157
2158 default:
2159 break;
2160 }
2161
2162 edit->force |= REDRAW_COMPLETELY;
2163 return ret;
2164 }
2165
2166 /* --------------------------------------------------------------------------------------------- */
2167 /**
2168 if mark2 is -1 then marking is from mark1 to the cursor.
2169 Otherwise its between the markers. This handles this.
2170 Returns 1 if no text is marked.
2171 */
2172
2173 int
2174 eval_marks (WEdit * edit, long *start_mark, long *end_mark)
2175 {
2176 if (edit->mark1 != edit->mark2)
2177 {
2178 long start_bol, start_eol;
2179 long end_bol, end_eol;
2180 long col1, col2;
2181 long diff1, diff2;
2182 long end_mark_curs;
2183
2184 if (edit->end_mark_curs < 0)
2185 end_mark_curs = edit->curs1;
2186 else
2187 end_mark_curs = edit->end_mark_curs;
2188
2189 if (edit->mark2 >= 0)
2190 {
2191 *start_mark = min (edit->mark1, edit->mark2);
2192 *end_mark = max (edit->mark1, edit->mark2);
2193 }
2194 else
2195 {
2196 *start_mark = min (edit->mark1, end_mark_curs);
2197 *end_mark = max (edit->mark1, end_mark_curs);
2198 edit->column2 = edit->curs_col + edit->over_col;
2199 }
2200
2201 if (edit->column_highlight
2202 && (((edit->mark1 > end_mark_curs) && (edit->column1 < edit->column2))
2203 || ((edit->mark1 < end_mark_curs) && (edit->column1 > edit->column2))))
2204 {
2205 start_bol = edit_bol (edit, *start_mark);
2206 start_eol = edit_eol (edit, start_bol - 1) + 1;
2207 end_bol = edit_bol (edit, *end_mark);
2208 end_eol = edit_eol (edit, *end_mark);
2209 col1 = min (edit->column1, edit->column2);
2210 col2 = max (edit->column1, edit->column2);
2211
2212 diff1 =
2213 edit_move_forward3 (edit, start_bol, col2, 0) - edit_move_forward3 (edit, start_bol,
2214 col1, 0);
2215 diff2 =
2216 edit_move_forward3 (edit, end_bol, col2, 0) - edit_move_forward3 (edit, end_bol,
2217 col1, 0);
2218
2219 *start_mark -= diff1;
2220 *end_mark += diff2;
2221 *start_mark = max (*start_mark, start_eol);
2222 *end_mark = min (*end_mark, end_eol);
2223 }
2224 return 0;
2225 }
2226 else
2227 {
2228 *start_mark = *end_mark = 0;
2229 edit->column2 = edit->column1 = 0;
2230 return 1;
2231 }
2232 }
2233
2234 /* --------------------------------------------------------------------------------------------- */
2235
2236 void
2237 edit_insert_over (WEdit * edit)
2238 {
2239 int i;
2240
2241 for (i = 0; i < edit->over_col; i++)
2242 {
2243 edit_insert (edit, ' ');
2244 }
2245 edit->over_col = 0;
2246 }
2247
2248 /* --------------------------------------------------------------------------------------------- */
2249
2250 int
2251 edit_insert_column_of_text_from_file (WEdit * edit, int file,
2252 long *start_pos, long *end_pos, int *col1, int *col2)
2253 {
2254 long cursor;
2255 int col;
2256 int blocklen = -1, width = 0;
2257 unsigned char *data;
2258
2259 cursor = edit->curs1;
2260 col = edit_get_col (edit);
2261 data = g_malloc0 (TEMP_BUF_LEN);
2262
2263 while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0)
2264 {
2265 int i;
2266 for (width = 0; width < blocklen; width++)
2267 {
2268 if (data[width] == '\n')
2269 break;
2270 }
2271 for (i = 0; i < blocklen; i++)
2272 {
2273 if (data[i] == '\n')
2274 { /* fill in and move to next line */
2275 int l;
2276 long p;
2277 if (edit_get_byte (edit, edit->curs1) != '\n')
2278 {
2279 l = width - (edit_get_col (edit) - col);
2280 while (l > 0)
2281 {
2282 edit_insert (edit, ' ');
2283 l -= space_width;
2284 }
2285 }
2286 for (p = edit->curs1;; p++)
2287 {
2288 if (p == edit->last_byte)
2289 {
2290 edit_cursor_move (edit, edit->last_byte - edit->curs1);
2291 edit_insert_ahead (edit, '\n');
2292 p++;
2293 break;
2294 }
2295 if (edit_get_byte (edit, p) == '\n')
2296 {
2297 p++;
2298 break;
2299 }
2300 }
2301 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
2302 l = col - edit_get_col (edit);
2303 while (l >= space_width)
2304 {
2305 edit_insert (edit, ' ');
2306 l -= space_width;
2307 }
2308 continue;
2309 }
2310 edit_insert (edit, data[i]);
2311 }
2312 }
2313 *col1 = col;
2314 *col2 = col + width;
2315 *start_pos = cursor;
2316 *end_pos = edit->curs1;
2317 edit_cursor_move (edit, cursor - edit->curs1);
2318 g_free (data);
2319
2320 return blocklen;
2321 }
2322
2323 /* --------------------------------------------------------------------------------------------- */
2324
2325 void
2326 edit_block_copy_cmd (WEdit * edit)
2327 {
2328 long start_mark, end_mark, current = edit->curs1;
2329 long col_delta = 0;
2330 long mark1, mark2;
2331 int c1, c2;
2332 int size;
2333 unsigned char *copy_buf;
2334
2335 edit_update_curs_col (edit);
2336 if (eval_marks (edit, &start_mark, &end_mark))
2337 return;
2338
2339 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
2340
2341 /* all that gets pushed are deletes hence little space is used on the stack */
2342
2343 edit_push_markers (edit);
2344
2345 if (edit->column_highlight)
2346 {
2347 col_delta = abs (edit->column2 - edit->column1);
2348 edit_insert_column_of_text (edit, copy_buf, size, col_delta, &mark1, &mark2, &c1, &c2);
2349 }
2350 else
2351 {
2352 while (size--)
2353 edit_insert_ahead (edit, copy_buf[size]);
2354 }
2355
2356 g_free (copy_buf);
2357 edit_scroll_screen_over_cursor (edit);
2358
2359 if (edit->column_highlight)
2360 edit_set_markers (edit, edit->curs1, mark2, c1, c2);
2361 else if (start_mark < current && end_mark > current)
2362 edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0);
2363
2364 edit->force |= REDRAW_PAGE;
2365 }
2366
2367
2368 /* --------------------------------------------------------------------------------------------- */
2369
2370 void
2371 edit_block_move_cmd (WEdit * edit)
2372 {
2373 long current;
2374 unsigned char *copy_buf = NULL;
2375 long start_mark, end_mark;
2376 long line;
2377
2378 if (eval_marks (edit, &start_mark, &end_mark))
2379 return;
2380
2381 line = edit->curs_line;
2382 if (edit->mark2 < 0)
2383 edit_mark_cmd (edit, FALSE);
2384 edit_push_markers (edit);
2385
2386 if (edit->column_highlight)
2387 {
2388 long mark1, mark2;
2389 int size;
2390 int b_width = 0;
2391 int c1, c2;
2392 int x, x2;
2393
2394 c1 = min (edit->column1, edit->column2);
2395 c2 = max (edit->column1, edit->column2);
2396 b_width = (c2 - c1);
2397
2398 edit_update_curs_col (edit);
2399
2400 x = edit->curs_col;
2401 x2 = x + edit->over_col;
2402
2403 /* do nothing when cursor inside first line of selected area */
2404 if ((edit_eol (edit, edit->curs1) == edit_eol (edit, start_mark)) && (x2 > c1 && x2 <= c2))
2405 return;
2406
2407 if (edit->curs1 > start_mark && edit->curs1 < edit_eol (edit, end_mark))
2408 {
2409 if (x > c2)
2410 x -= b_width;
2411 else if (x > c1 && x <= c2)
2412 x = c1;
2413 }
2414 /* save current selection into buffer */
2415 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
2416
2417 /* remove current selection */
2418 edit_block_delete_cmd (edit);
2419
2420 edit->over_col = max (0, edit->over_col - b_width);
2421 /* calculate the cursor pos after delete block */
2422 current = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0);
2423 edit_cursor_move (edit, current - edit->curs1);
2424 edit_scroll_screen_over_cursor (edit);
2425
2426 /* add TWS if need before block insertion */
2427 if (option_cursor_beyond_eol && edit->over_col > 0)
2428 edit_insert_over (edit);
2429
2430 edit_insert_column_of_text (edit, copy_buf, size, b_width, &mark1, &mark2, &c1, &c2);
2431 edit_set_markers (edit, mark1, mark2, c1, c2);
2432 }
2433 else
2434 {
2435 long count;
2436
2437 current = edit->curs1;
2438 copy_buf = g_malloc0 (end_mark - start_mark);
2439 edit_cursor_move (edit, start_mark - edit->curs1);
2440 edit_scroll_screen_over_cursor (edit);
2441 count = start_mark;
2442 while (count < end_mark)
2443 {
2444 copy_buf[end_mark - count - 1] = edit_delete (edit, 1);
2445 count++;
2446 }
2447 edit_scroll_screen_over_cursor (edit);
2448 edit_cursor_move (edit,
2449 current - edit->curs1 -
2450 (((current - edit->curs1) > 0) ? end_mark - start_mark : 0));
2451 edit_scroll_screen_over_cursor (edit);
2452 while (count-- > start_mark)
2453 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
2454 edit_set_markers (edit, edit->curs1, edit->curs1 + end_mark - start_mark, 0, 0);
2455 }
2456
2457 edit_scroll_screen_over_cursor (edit);
2458 g_free (copy_buf);
2459 edit->force |= REDRAW_PAGE;
2460 }
2461
2462 /* --------------------------------------------------------------------------------------------- */
2463 /** returns 1 if canceelled by user */
2464
2465 int
2466 edit_block_delete_cmd (WEdit * edit)
2467 {
2468 long start_mark, end_mark;
2469 if (eval_marks (edit, &start_mark, &end_mark))
2470 {
2471 edit_delete_line (edit);
2472 return 0;
2473 }
2474 return edit_block_delete (edit);
2475 }
2476
2477 /* --------------------------------------------------------------------------------------------- */
2478 /** call with edit = 0 before shutdown to close memory leaks */
2479
2480 void
2481 edit_replace_cmd (WEdit * edit, int again)
2482 {
2483 /* 1 = search string, 2 = replace with */
2484 static char *saved1 = NULL; /* saved default[123] */
2485 static char *saved2 = NULL;
2486 char *input1 = NULL; /* user input from the dialog */
2487 char *input2 = NULL;
2488 GString *input2_str = NULL;
2489 char *disp1 = NULL;
2490 char *disp2 = NULL;
2491 long times_replaced = 0;
2492 gboolean once_found = FALSE;
2493
2494 if (!edit)
2495 {
2496 g_free (saved1), saved1 = NULL;
2497 g_free (saved2), saved2 = NULL;
2498 return;
2499 }
2500
2501 edit->force |= REDRAW_COMPLETELY;
2502
2503 if (again && !saved1 && !saved2)
2504 again = 0;
2505
2506 if (again)
2507 {
2508 input1 = g_strdup (saved1 ? saved1 : "");
2509 input2 = g_strdup (saved2 ? saved2 : "");
2510 }
2511 else
2512 {
2513 char *tmp_inp1, *tmp_inp2;
2514
2515 disp1 = edit_replace_cmd__conv_to_display (saved1 ? saved1 : (char *) "");
2516 disp2 = edit_replace_cmd__conv_to_display (saved2 ? saved2 : (char *) "");
2517
2518 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
2519
2520 editcmd_dialog_replace_show (edit, disp1, disp2, &input1, &input2);
2521
2522 g_free (disp1);
2523 g_free (disp2);
2524
2525 if (input1 == NULL || *input1 == '\0')
2526 {
2527 edit->force = REDRAW_COMPLETELY;
2528 goto cleanup;
2529 }
2530
2531 tmp_inp1 = input1;
2532 tmp_inp2 = input2;
2533 input1 = edit_replace_cmd__conv_to_input (input1);
2534 input2 = edit_replace_cmd__conv_to_input (input2);
2535 g_free (tmp_inp1);
2536 g_free (tmp_inp2);
2537
2538 g_free (saved1), saved1 = g_strdup (input1);
2539 g_free (saved2), saved2 = g_strdup (input2);
2540
2541 mc_search_free (edit->search);
2542 edit->search = NULL;
2543 }
2544
2545 input2_str = g_string_new (input2);
2546
2547 if (!edit->search)
2548 {
2549 edit->search = mc_search_new (input1, -1);
2550 if (edit->search == NULL)
2551 {
2552 edit->search_start = edit->curs1;
2553 goto cleanup;
2554 }
2555 edit->search->search_type = edit_search_options.type;
2556 edit->search->is_all_charsets = edit_search_options.all_codepages;
2557 edit->search->is_case_sensitive = edit_search_options.case_sens;
2558 edit->search->whole_words = edit_search_options.whole_words;
2559 edit->search->search_fn = edit_search_cmd_callback;
2560 edit->search_line_type = edit_get_search_line_type (edit->search);
2561 edit_search_fix_search_start_if_selection (edit);
2562 }
2563
2564 if (edit->found_len && edit->search_start == edit->found_start + 1
2565 && edit_search_options.backwards)
2566 edit->search_start--;
2567
2568 if (edit->found_len && edit->search_start == edit->found_start - 1
2569 && !edit_search_options.backwards)
2570 edit->search_start++;
2571
2572 do
2573 {
2574 gsize len = 0;
2575
2576 if (!editcmd_find (edit, &len))
2577 {
2578 if (!(edit->search->error == MC_SEARCH_E_OK ||
2579 (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND)))
2580 {
2581 edit_error_dialog (_("Search"), edit->search->error_str);
2582 }
2583 break;
2584 }
2585 once_found = TRUE;
2586
2587 edit->search_start = edit->search->normal_offset;
2588 /*returns negative on not found or error in pattern */
2589
2590 if ((edit->search_start >= 0) && (edit->search_start < edit->last_byte))
2591 {
2592 gsize i;
2593 GString *repl_str;
2594
2595 edit->found_start = edit->search_start;
2596 i = edit->found_len = len;
2597
2598 edit_cursor_move (edit, edit->search_start - edit->curs1);
2599 edit_scroll_screen_over_cursor (edit);
2600
2601 if (edit->replace_mode == 0)
2602 {
2603 int l;
2604 int prompt;
2605
2606 l = edit->curs_row - edit->widget.lines / 3;
2607 if (l > 0)
2608 edit_scroll_downward (edit, l);
2609 if (l < 0)
2610 edit_scroll_upward (edit, -l);
2611
2612 edit_scroll_screen_over_cursor (edit);
2613 edit->force |= REDRAW_PAGE;
2614 edit_render_keypress (edit);
2615
2616 /*so that undo stops at each query */
2617 edit_push_key_press (edit);
2618 /* and prompt 2/3 down */
2619 disp1 = edit_replace_cmd__conv_to_display (saved1);
2620 disp2 = edit_replace_cmd__conv_to_display (saved2);
2621 prompt = editcmd_dialog_replace_prompt_show (edit, disp1, disp2, -1, -1);
2622 g_free (disp1);
2623 g_free (disp2);
2624
2625 if (prompt == B_REPLACE_ALL)
2626 edit->replace_mode = 1;
2627 else if (prompt == B_SKIP_REPLACE)
2628 {
2629 if (edit_search_options.backwards)
2630 edit->search_start--;
2631 else
2632 edit->search_start++;
2633 continue; /* loop */
2634 }
2635 else if (prompt == B_CANCEL)
2636 {
2637 edit->replace_mode = -1;
2638 break; /* loop */
2639 }
2640 }
2641
2642 repl_str = mc_search_prepare_replace_str (edit->search, input2_str);
2643
2644 if (edit->search->error != MC_SEARCH_E_OK)
2645 {
2646 edit_error_dialog (_("Replace"), edit->search->error_str);
2647 g_string_free (repl_str, TRUE);
2648 break;
2649 }
2650
2651 /* delete then insert new */
2652 for (i = 0; i < len; i++)
2653 edit_delete (edit, 1);
2654
2655 for (i = 0; i < repl_str->len; i++)
2656 edit_insert (edit, repl_str->str[i]);
2657
2658 edit->found_len = repl_str->len;
2659 g_string_free (repl_str, TRUE);
2660 times_replaced++;
2661
2662 /* so that we don't find the same string again */
2663 if (edit_search_options.backwards)
2664 {
2665 edit->search_start--;
2666 }
2667 else
2668 {
2669 edit->search_start += edit->found_len + (len == 0 ? 1 : 0);
2670
2671 if (edit->search_start >= edit->last_byte)
2672 break;
2673 }
2674
2675 edit_scroll_screen_over_cursor (edit);
2676 }
2677 else
2678 {
2679 /* try and find from right here for next search */
2680 edit->search_start = edit->curs1;
2681 edit_update_curs_col (edit);
2682
2683 edit->force |= REDRAW_PAGE;
2684 edit_render_keypress (edit);
2685
2686 if (times_replaced == 0)
2687 query_dialog (_("Replace"), _("Search string not found"), D_NORMAL, 1, _("&OK"));
2688 break;
2689 }
2690 }
2691 while (edit->replace_mode >= 0);
2692
2693 edit_scroll_screen_over_cursor (edit);
2694 edit->force |= REDRAW_COMPLETELY;
2695 edit_render_keypress (edit);
2696
2697 if ((edit->replace_mode == 1) && (times_replaced != 0))
2698 message (D_NORMAL, _("Replace"), _("%ld replacements made"), times_replaced);
2699
2700 cleanup:
2701 g_free (input1);
2702 g_free (input2);
2703 if (input2_str != NULL)
2704 g_string_free (input2_str, TRUE);
2705 }
2706
2707 /* --------------------------------------------------------------------------------------------- */
2708
2709 mc_search_cbret_t
2710 edit_search_cmd_callback (const void *user_data, gsize char_offset, int *current_char)
2711 {
2712 *current_char = edit_get_byte ((WEdit *) user_data, (long) char_offset);
2713 return MC_SEARCH_CB_OK;
2714 }
2715
2716 /* --------------------------------------------------------------------------------------------- */
2717
2718 void
2719 edit_search_cmd (WEdit * edit, gboolean again)
2720 {
2721
2722 if (edit == NULL)
2723 return;
2724
2725 if (!again)
2726 edit_search (edit);
2727 else if (edit->last_search_string != NULL)
2728 edit_do_search (edit);
2729 else
2730 {
2731 /* find last search string in history */
2732 GList *history;
2733
2734 history = history_get (MC_HISTORY_SHARED_SEARCH);
2735 if (history != NULL && history->data != NULL)
2736 {
2737 edit->last_search_string = (char *) history->data;
2738 history->data = NULL;
2739 history = g_list_first (history);
2740 g_list_foreach (history, (GFunc) g_free, NULL);
2741 g_list_free (history);
2742
2743 edit->search = mc_search_new (edit->last_search_string, -1);
2744 if (edit->search == NULL)
2745 {
2746 /* if not... then ask for an expression */
2747 g_free (edit->last_search_string);
2748 edit->last_search_string = NULL;
2749 edit_search (edit);
2750 }
2751 else
2752 {
2753 edit->search->search_type = edit_search_options.type;
2754 edit->search->is_all_charsets = edit_search_options.all_codepages;
2755 edit->search->is_case_sensitive = edit_search_options.case_sens;
2756 edit->search->whole_words = edit_search_options.whole_words;
2757 edit->search->search_fn = edit_search_cmd_callback;
2758 edit->search_line_type = edit_get_search_line_type (edit->search);
2759 edit_do_search (edit);
2760 }
2761 }
2762 else
2763 {
2764 /* if not... then ask for an expression */
2765 g_free (edit->last_search_string);
2766 edit->last_search_string = NULL;
2767 edit_search (edit);
2768 }
2769 }
2770 }
2771
2772
2773 /* --------------------------------------------------------------------------------------------- */
2774 /**
2775 * Check if it's OK to close the editor. If there are unsaved changes,
2776 * ask user. Return 1 if it's OK to exit, 0 to continue editing.
2777 */
2778
2779 gboolean
2780 edit_ok_to_exit (WEdit * edit)
2781 {
2782 int act;
2783
2784 if (!edit->modified)
2785 return TRUE;
2786
2787 if (!mc_global.midnight_shutdown)
2788 {
2789 if (!edit_check_newline (edit))
2790 return FALSE;
2791
2792 query_set_sel (2);
2793 act = edit_query_dialog3 (_("Quit"), _("File was modified. Save with exit?"),
2794 _("&Yes"), _("&No"), _("&Cancel quit"));
2795 }
2796 else
2797 {
2798 act =
2799 edit_query_dialog2 (_("Quit"),
2800 _("Midnight Commander is being shut down.\nSave modified file?"),
2801 _("&Yes"), _("&No"));
2802
2803 /* Esc is No */
2804 if (act == -1)
2805 act = 1;
2806 }
2807
2808 switch (act)
2809 {
2810 case 0: /* Yes */
2811 edit_push_markers (edit);
2812 edit_set_markers (edit, 0, 0, 0, 0);
2813 if (!edit_save_cmd (edit) || mc_global.midnight_shutdown)
2814 return mc_global.midnight_shutdown;
2815 break;
2816 case 1: /* No */
2817 break;
2818 case 2: /* Cancel quit */
2819 case -1: /* Esc */
2820 return FALSE;
2821 }
2822
2823 return TRUE;
2824 }
2825
2826 /* --------------------------------------------------------------------------------------------- */
2827 /** save block, returns TRUE on success */
2828
2829 gboolean
2830 edit_save_block (WEdit * edit, const char *filename, long start, long finish)
2831 {
2832 int len, file;
2833 vfs_path_t *vpath;
2834
2835 vpath = vfs_path_from_str (filename);
2836 file = mc_open (vpath, O_CREAT | O_WRONLY | O_TRUNC,
2837 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY);
2838 vfs_path_free (vpath);
2839 if (file == -1)
2840 return FALSE;
2841
2842 if (edit->column_highlight)
2843 {
2844 int r;
2845
2846 r = mc_write (file, VERTICAL_MAGIC, sizeof (VERTICAL_MAGIC));
2847 if (r > 0)
2848 {
2849 unsigned char *block, *p;
2850
2851 p = block = edit_get_block (edit, start, finish, &len);
2852 while (len)
2853 {
2854 r = mc_write (file, p, len);
2855 if (r < 0)
2856 break;
2857 p += r;
2858 len -= r;
2859 }
2860 g_free (block);
2861 }
2862 }
2863 else
2864 {
2865 unsigned char *buf;
2866 int i = start, end;
2867
2868 len = finish - start;
2869 buf = g_malloc0 (TEMP_BUF_LEN);
2870 while (start != finish)
2871 {
2872 end = min (finish, start + TEMP_BUF_LEN);
2873 for (; i < end; i++)
2874 buf[i - start] = edit_get_byte (edit, i);
2875 len -= mc_write (file, (char *) buf, end - start);
2876 start = end;
2877 }
2878 g_free (buf);
2879 }
2880 mc_close (file);
2881
2882 return (len == 0);
2883 }
2884
2885 /* --------------------------------------------------------------------------------------------- */
2886
2887 void
2888 edit_paste_from_history (WEdit * edit)
2889 {
2890 (void) edit;
2891 edit_error_dialog (_("Error"), _("This function is not implemented"));
2892 }
2893
2894 /* --------------------------------------------------------------------------------------------- */
2895
2896 int
2897 edit_copy_to_X_buf_cmd (WEdit * edit)
2898 {
2899 long start_mark, end_mark;
2900 if (eval_marks (edit, &start_mark, &end_mark))
2901 return 0;
2902 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark))
2903 {
2904 edit_error_dialog (_("Copy to clipboard"), get_sys_error (_("Unable to save to file")));
2905 return 1;
2906 }
2907 /* try use external clipboard utility */
2908 mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
2909
2910 return 0;
2911 }
2912
2913 /* --------------------------------------------------------------------------------------------- */
2914
2915 int
2916 edit_cut_to_X_buf_cmd (WEdit * edit)
2917 {
2918 long start_mark, end_mark;
2919 if (eval_marks (edit, &start_mark, &end_mark))
2920 return 0;
2921 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark))
2922 {
2923 edit_error_dialog (_("Cut to clipboard"), _("Unable to save to file"));
2924 return 1;
2925 }
2926 /* try use external clipboard utility */
2927 mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
2928
2929 edit_block_delete_cmd (edit);
2930 edit_mark_cmd (edit, TRUE);
2931 return 0;
2932 }
2933
2934 /* --------------------------------------------------------------------------------------------- */
2935
2936 void
2937 edit_paste_from_X_buf_cmd (WEdit * edit)
2938 {
2939 vfs_path_t *tmp;
2940
2941 /* try use external clipboard utility */
2942 mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_from_ext_clip", NULL);
2943 tmp = mc_config_get_full_vpath (EDIT_CLIP_FILE);
2944 edit_insert_file (edit, tmp);
2945 vfs_path_free (tmp);
2946 }
2947
2948
2949 /* --------------------------------------------------------------------------------------------- */
2950 /**
2951 * Ask user for the line and go to that line.
2952 * Negative numbers mean line from the end (i.e. -1 is the last line).
2953 */
2954
2955 void
2956 edit_goto_cmd (WEdit * edit)
2957 {
2958 char *f;
2959 static long line = 0; /* line as typed, saved as default */
2960 long l;
2961 char *error;
2962 char s[32];
2963
2964 g_snprintf (s, sizeof (s), "%ld", line);
2965 f = input_dialog (_("Goto line"), _("Enter line:"), MC_HISTORY_EDIT_GOTO_LINE, line ? s : "");
2966 if (!f)
2967 return;
2968
2969 if (!*f)
2970 {
2971 g_free (f);
2972 return;
2973 }
2974
2975 l = strtol (f, &error, 0);
2976 if (*error)
2977 {
2978 g_free (f);
2979 return;
2980 }
2981
2982 line = l;
2983 if (l < 0)
2984 l = edit->total_lines + l + 2;
2985 edit_move_display (edit, l - edit->widget.lines / 2 - 1);
2986 edit_move_to_line (edit, l - 1);
2987 edit->force |= REDRAW_COMPLETELY;
2988 g_free (f);
2989 }
2990
2991
2992 /* --------------------------------------------------------------------------------------------- */
2993 /** Return TRUE on success */
2994
2995 gboolean
2996 edit_save_block_cmd (WEdit * edit)
2997 {
2998 long start_mark, end_mark;
2999 char *exp, *tmp;
3000 gboolean ret = FALSE;
3001
3002 if (eval_marks (edit, &start_mark, &end_mark))
3003 return TRUE;
3004
3005 tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
3006 exp =
3007 input_expand_dialog (_("Save block"), _("Enter file name:"),
3008 MC_HISTORY_EDIT_SAVE_BLOCK, tmp);
3009 g_free (tmp);
3010 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
3011
3012 if (exp != NULL && *exp != '\0')
3013 {
3014 if (edit_save_block (edit, exp, start_mark, end_mark))
3015 ret = TRUE;
3016 else
3017 edit_error_dialog (_("Save block"), get_sys_error (_("Cannot save file")));
3018
3019 edit->force |= REDRAW_COMPLETELY;
3020 }
3021
3022 g_free (exp);
3023
3024 return ret;
3025 }
3026
3027
3028 /* --------------------------------------------------------------------------------------------- */
3029
3030 /** returns TRUE on success */
3031 gboolean
3032 edit_insert_file_cmd (WEdit * edit)
3033 {
3034 char *tmp;
3035 char *exp;
3036 gboolean ret = FALSE;
3037
3038 tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
3039 exp = input_expand_dialog (_("Insert file"), _("Enter file name:"),
3040 MC_HISTORY_EDIT_INSERT_FILE, tmp);
3041 g_free (tmp);
3042
3043 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
3044
3045 if (exp != NULL && *exp != '\0')
3046 {
3047 vfs_path_t *exp_vpath;
3048
3049 exp_vpath = vfs_path_from_str (exp);
3050 ret = (edit_insert_file (edit, exp_vpath) >= 0);
3051 vfs_path_free (exp_vpath);
3052
3053 if (!ret)
3054 edit_error_dialog (_("Insert file"), get_sys_error (_("Cannot insert file")));
3055 }
3056
3057 g_free (exp);
3058
3059 edit->force |= REDRAW_COMPLETELY;
3060 return ret;
3061 }
3062
3063 /* --------------------------------------------------------------------------------------------- */
3064 /** sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
3065
3066 int
3067 edit_sort_cmd (WEdit * edit)
3068 {
3069 static char *old = 0;
3070 char *exp, *tmp, *tmp_edit_block_name, *tmp_edit_temp_name;
3071 long start_mark, end_mark;
3072 int e;
3073
3074 if (eval_marks (edit, &start_mark, &end_mark))
3075 {
3076 edit_error_dialog (_("Sort block"), _("You must first highlight a block of text"));
3077 return 0;
3078 }
3079
3080 tmp = mc_config_get_full_path (EDIT_BLOCK_FILE);
3081 edit_save_block (edit, tmp, start_mark, end_mark);
3082 g_free (tmp);
3083
3084 exp = input_dialog (_("Run sort"),
3085 _("Enter sort options (see manpage) separated by whitespace:"),
3086 MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "");
3087
3088 if (!exp)
3089 return 1;
3090 g_free (old);
3091 old = exp;
3092 tmp_edit_block_name = mc_config_get_full_path (EDIT_BLOCK_FILE);
3093 tmp_edit_temp_name = mc_config_get_full_path (EDIT_TEMP_FILE);
3094 tmp =
3095 g_strconcat (" sort ", exp, " ", tmp_edit_block_name,
3096 " > ", tmp_edit_temp_name, (char *) NULL);
3097 g_free (tmp_edit_temp_name);
3098 g_free (tmp_edit_block_name);
3099
3100 e = system (tmp);
3101 g_free (tmp);
3102 if (e)
3103 {
3104 if (e == -1 || e == 127)
3105 {
3106 edit_error_dialog (_("Sort"), get_sys_error (_("Cannot execute sort command")));
3107 }
3108 else
3109 {
3110 char q[8];
3111 sprintf (q, "%d ", e);
3112 tmp = g_strdup_printf (_("Sort returned non-zero: %s"), q);
3113 edit_error_dialog (_("Sort"), tmp);
3114 g_free (tmp);
3115 }
3116 return -1;
3117 }
3118
3119 edit->force |= REDRAW_COMPLETELY;
3120
3121 if (edit_block_delete_cmd (edit))
3122 return 1;
3123
3124 {
3125 vfs_path_t *tmp_vpath;
3126
3127 tmp_vpath = mc_config_get_full_vpath (EDIT_TEMP_FILE);
3128 edit_insert_file (edit, tmp_vpath);
3129 vfs_path_free (tmp_vpath);
3130 }
3131 return 0;
3132 }
3133
3134 /* --------------------------------------------------------------------------------------------- */
3135 /**
3136 * Ask user for a command, execute it and paste its output back to the
3137 * editor.
3138 */
3139
3140 int
3141 edit_ext_cmd (WEdit * edit)
3142 {
3143 char *exp, *tmp, *tmp_edit_temp_file;
3144 int e;
3145
3146 exp =
3147 input_dialog (_("Paste output of external command"),
3148 _("Enter shell command(s):"), MC_HISTORY_EDIT_PASTE_EXTCMD, NULL);
3149
3150 if (!exp)
3151 return 1;
3152
3153 tmp_edit_temp_file = mc_config_get_full_path (EDIT_TEMP_FILE);
3154 tmp = g_strconcat (exp, " > ", tmp_edit_temp_file, (char *) NULL);
3155 g_free (tmp_edit_temp_file);
3156 e = system (tmp);
3157 g_free (tmp);
3158 g_free (exp);
3159
3160 if (e)
3161 {
3162 edit_error_dialog (_("External command"), get_sys_error (_("Cannot execute command")));
3163 return -1;
3164 }
3165
3166 edit->force |= REDRAW_COMPLETELY;
3167
3168 {
3169 vfs_path_t *tmp_vpath;
3170
3171 tmp_vpath = mc_config_get_full_vpath (EDIT_TEMP_FILE);
3172 edit_insert_file (edit, tmp_vpath);
3173 vfs_path_free (tmp_vpath);
3174 }
3175 return 0;
3176 }
3177
3178 /* --------------------------------------------------------------------------------------------- */
3179 /** if block is 1, a block must be highlighted and the shell command
3180 processes it. If block is 0 the shell command is a straight system
3181 command, that just produces some output which is to be inserted */
3182
3183 void
3184 edit_block_process_cmd (WEdit * edit, int macro_number)
3185 {
3186 char *fname;
3187 char *macros_fname = NULL;
3188
3189 fname = g_strdup_printf ("%s.%i.sh", MC_EXTMACRO_FILE, macro_number);
3190 macros_fname = g_build_filename (mc_config_get_data_path (), fname, (char *) NULL);
3191 user_menu (edit, macros_fname, 0);
3192 g_free (fname);
3193 g_free (macros_fname);
3194 edit->force |= REDRAW_COMPLETELY;
3195 }
3196
3197 /* --------------------------------------------------------------------------------------------- */
3198
3199 void
3200 edit_mail_dialog (WEdit * edit)
3201 {
3202 char *tmail_to;
3203 char *tmail_subject;
3204 char *tmail_cc;
3205
3206 static char *mail_cc_last = 0;
3207 static char *mail_subject_last = 0;
3208 static char *mail_to_last = 0;
3209
3210 QuickWidget quick_widgets[] = {
3211 /* 0 */ QUICK_BUTTON (6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
3212 /* 1 */ QUICK_BUTTON (2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), B_ENTER, NULL),
3213 /* 2 */ QUICK_INPUT (3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, "mail-dlg-input", &tmail_cc),
3214 /* 3 */ QUICK_LABEL (3, 50, 7, MAIL_DLG_HEIGHT, N_("Copies to")),
3215 /* 4 */ QUICK_INPUT (3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, "mail-dlg-input-2",
3216 &tmail_subject),
3217 /* 5 */ QUICK_LABEL (3, 50, 5, MAIL_DLG_HEIGHT, N_("Subject")),
3218 /* 6 */ QUICK_INPUT (3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, "mail-dlg-input-3", &tmail_to),
3219 /* 7 */ QUICK_LABEL (3, 50, 3, MAIL_DLG_HEIGHT, N_("To")),
3220 /* 8 */ QUICK_LABEL (3, 50, 2, MAIL_DLG_HEIGHT, N_("mail -s <subject> -c <cc> <to>")),
3221 QUICK_END
3222 };
3223
3224 QuickDialog Quick_input = {
3225 50, MAIL_DLG_HEIGHT, -1, -1, N_("Mail"),
3226 "[Input Line Keys]", quick_widgets, NULL, FALSE
3227 };
3228
3229 quick_widgets[2].u.input.text = mail_cc_last ? mail_cc_last : "";
3230 quick_widgets[4].u.input.text = mail_subject_last ? mail_subject_last : "";
3231 quick_widgets[6].u.input.text = mail_to_last ? mail_to_last : "";
3232
3233 if (quick_dialog (&Quick_input) != B_CANCEL)
3234 {
3235 g_free (mail_cc_last);
3236 g_free (mail_subject_last);
3237 g_free (mail_to_last);
3238 mail_cc_last = tmail_cc;
3239 mail_subject_last = tmail_subject;
3240 mail_to_last = tmail_to;
3241 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
3242 }
3243 }
3244
3245
3246 /*******************/
3247 /* Word Completion */
3248 /*******************/
3249
3250 /* --------------------------------------------------------------------------------------------- */
3251 /**
3252 * Complete current word using regular expression search
3253 * backwards beginning at the current cursor position.
3254 */
3255
3256 void
3257 edit_complete_word_cmd (WEdit * edit)
3258 {
3259 gsize i, max_len, word_len = 0, num_compl = 0;
3260 long word_start = 0;
3261 unsigned char *bufpos;
3262 char *match_expr;
3263 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
3264
3265 /* search start of word to be completed */
3266 if (!edit_find_word_start (edit, &word_start, &word_len))
3267 return;
3268
3269 /* prepare match expression */
3270 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE][word_start & M_EDIT_BUF_SIZE];
3271
3272 /* match_expr = g_strdup_printf ("\\b%.*s[a-zA-Z_0-9]+", word_len, bufpos); */
3273 match_expr =
3274 g_strdup_printf
3275 ("(^|\\s+|\\b)%.*s[^\\s\\.=\\+\\[\\]\\(\\)\\,\\;\\:\\\"\\'\\-\\?\\/\\|\\\\\\{\\}\\*\\&\\^\\%%\\$#@\\!]+",
3276 (int) word_len, bufpos);
3277
3278 /* collect the possible completions */
3279 /* start search from begin to end of file */
3280 max_len =
3281 edit_collect_completions (edit, word_start, word_len, match_expr,
3282 (struct selection *) &compl, &num_compl);
3283
3284 if (num_compl > 0)
3285 {
3286 /* insert completed word if there is only one match */
3287 if (num_compl == 1)
3288 {
3289 for (i = word_len; i < compl[0].len; i++)
3290 edit_insert (edit, *(compl[0].text + i));
3291 }
3292 /* more than one possible completion => ask the user */
3293 else
3294 {
3295 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
3296 /* !!! pressed again the selection dialog pops up, but that !!! */
3297 /* !!! seems to require a further internal state !!! */
3298 /*tty_beep (); */
3299
3300 /* let the user select the preferred completion */
3301 editcmd_dialog_completion_show (edit, max_len, word_len,
3302 (struct selection *) &compl, num_compl);
3303 }
3304 }
3305
3306 g_free (match_expr);
3307 /* release memory before return */
3308 for (i = 0; i < num_compl; i++)
3309 g_free (compl[i].text);
3310 }
3311
3312 /* --------------------------------------------------------------------------------------------- */
3313
3314 void
3315 edit_select_codepage_cmd (WEdit * edit)
3316 {
3317 #ifdef HAVE_CHARSET
3318 if (do_select_codepage ())
3319 edit_set_codeset (edit);
3320
3321 edit->force = REDRAW_COMPLETELY;
3322 edit_refresh_cmd (edit);
3323 #else
3324 (void) edit;
3325 #endif
3326 }
3327
3328 /* --------------------------------------------------------------------------------------------- */
3329
3330 void
3331 edit_insert_literal_cmd (WEdit * edit)
3332 {
3333 int char_for_insertion;
3334
3335 char_for_insertion = editcmd_dialog_raw_key_query (_("Insert literal"),
3336 _("Press any key:"), FALSE);
3337 edit_execute_key_command (edit, -1, ascii_alpha_to_cntrl (char_for_insertion));
3338 }
3339
3340 /* --------------------------------------------------------------------------------------------- */
3341
3342 void
3343 edit_begin_end_macro_cmd (WEdit * edit)
3344 {
3345 /* edit is a pointer to the widget */
3346 if (edit != NULL)
3347 {
3348 unsigned long command = macro_index < 0 ? CK_MacroStartRecord : CK_MacroStopRecord;
3349 edit_execute_key_command (edit, command, -1);
3350 }
3351 }
3352
3353 /* --------------------------------------------------------------------------------------------- */
3354
3355 void
3356 edit_begin_end_repeat_cmd (WEdit * edit)
3357 {
3358 /* edit is a pointer to the widget */
3359 if (edit != NULL)
3360 {
3361 unsigned long command = macro_index < 0 ? CK_RepeatStartRecord : CK_RepeatStopRecord;
3362 edit_execute_key_command (edit, command, -1);
3363 }
3364 }
3365
3366 /* --------------------------------------------------------------------------------------------- */
3367
3368 gboolean
3369 edit_load_forward_cmd (WEdit * edit)
3370 {
3371 if (edit->modified
3372 && edit_query_dialog2 (_("Warning"),
3373 _("Current text was modified without a file save.\n"
3374 "Continue discards these changes"), _("C&ontinue"),
3375 _("&Cancel")) == 1)
3376 {
3377 edit->force |= REDRAW_COMPLETELY;
3378 return TRUE;
3379 }
3380
3381 if (edit_stack_iterator + 1 >= MAX_HISTORY_MOVETO)
3382 return FALSE;
3383
3384 if (edit_history_moveto[edit_stack_iterator + 1].line < 1)
3385 return FALSE;
3386
3387 edit_stack_iterator++;
3388 if (edit_history_moveto[edit_stack_iterator].filename_vpath != NULL)
3389 return edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
3390 edit_history_moveto[edit_stack_iterator].line);
3391
3392 return FALSE;
3393 }
3394
3395 /* --------------------------------------------------------------------------------------------- */
3396
3397 gboolean
3398 edit_load_back_cmd (WEdit * edit)
3399 {
3400 if (edit->modified
3401 && edit_query_dialog2 (_("Warning"),
3402 _("Current text was modified without a file save.\n"
3403 "Continue discards these changes"), _("C&ontinue"),
3404 _("&Cancel")) == 1)
3405 {
3406 edit->force |= REDRAW_COMPLETELY;
3407 return TRUE;
3408 }
3409
3410 /* we are in the bottom of the stack, NO WAY! */
3411 if (edit_stack_iterator == 0)
3412 return FALSE;
3413
3414 edit_stack_iterator--;
3415 if (edit_history_moveto[edit_stack_iterator].filename_vpath != NULL)
3416 return edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
3417 edit_history_moveto[edit_stack_iterator].line);
3418
3419 return FALSE;
3420 }
3421
3422 /* --------------------------------------------------------------------------------------------- */
3423
3424 void
3425 edit_get_match_keyword_cmd (WEdit * edit)
3426 {
3427 gsize word_len = 0, max_len = 0;
3428 int num_def = 0;
3429 int i;
3430 long word_start = 0;
3431 unsigned char *bufpos;
3432 char *match_expr;
3433 char *path = NULL;
3434 char *ptr = NULL;
3435 char *tagfile = NULL;
3436
3437 etags_hash_t def_hash[MAX_DEFINITIONS];
3438
3439 for (i = 0; i < MAX_DEFINITIONS; i++)
3440 {
3441 def_hash[i].filename = NULL;
3442 }
3443
3444 /* search start of word to be completed */
3445 if (!edit_find_word_start (edit, &word_start, &word_len))
3446 return;
3447
3448 /* prepare match expression */
3449 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE][word_start & M_EDIT_BUF_SIZE];
3450 match_expr = g_strdup_printf ("%.*s", (int) word_len, bufpos);
3451
3452 ptr = g_get_current_dir ();
3453 path = g_strconcat (ptr, G_DIR_SEPARATOR_S, (char *) NULL);
3454 g_free (ptr);
3455
3456 /* Recursive search file 'TAGS' in parent dirs */
3457 do
3458 {
3459 ptr = g_path_get_dirname (path);
3460 g_free (path);
3461 path = ptr;
3462 g_free (tagfile);
3463 tagfile = mc_build_filename (path, TAGS_NAME, (char *) NULL);
3464 if (exist_file (tagfile))
3465 break;
3466 }
3467 while (strcmp (path, G_DIR_SEPARATOR_S) != 0);
3468
3469 if (tagfile)
3470 {
3471 num_def =
3472 etags_set_definition_hash (tagfile, path, match_expr, (etags_hash_t *) & def_hash);
3473 g_free (tagfile);
3474 }
3475 g_free (path);
3476
3477 max_len = MAX_WIDTH_DEF_DIALOG;
3478 word_len = 0;
3479 if (num_def > 0)
3480 {
3481 editcmd_dialog_select_definition_show (edit, match_expr, max_len, word_len,
3482 (etags_hash_t *) & def_hash, num_def);
3483 }
3484 g_free (match_expr);
3485 }
3486
3487 /* --------------------------------------------------------------------------------------------- */
Midnight Commander