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[midnight-commander.git] / src / editor / editcmd.c
blob61e141cc11921a99ee7a50a6f3336372c7bd5e2b
1 /*
2 Editor high level editing commands
3
4 Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
5 2007, 2011, 2012, 2013
6 The Free Software Foundation, Inc.
7
8 Written by:
9 Paul Sheer, 1996, 1997
10 Andrew Borodin <aborodin@vmail.ru>, 2012, 2013
11 Ilia Maslakov <il.smind@gmail.com>, 2012
12
13 This file is part of the Midnight Commander.
14
15 The Midnight Commander is free software: you can redistribute it
16 and/or modify it under the terms of the GNU General Public License as
17 published by the Free Software Foundation, either version 3 of the License,
18 or (at your option) any later version.
19
20 The Midnight Commander is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
24
25 You should have received a copy of the GNU General Public License
26 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 */
28
29 /** \file
30 * \brief Source: editor high level editing commands
31 * \author Paul Sheer
32 * \date 1996, 1997
33 */
34
35 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
36
37 #include <config.h>
38
39 #ifdef HAVE_ASSERT_H
40 #include <assert.h>
41 #endif
42 #include <ctype.h>
43
44 #include <stdio.h>
45 #include <stdarg.h>
46 #include <sys/types.h>
47 #include <unistd.h>
48 #include <string.h>
49 #include <errno.h>
50 #include <sys/stat.h>
51 #include <stdlib.h>
52 #include <fcntl.h>
53
54 #include "lib/global.h"
55 #include "lib/tty/tty.h"
56 #include "lib/tty/key.h" /* XCTRL */
57 #include "lib/mcconfig.h"
58 #include "lib/skin.h"
59 #include "lib/strutil.h" /* utf string functions */
60 #include "lib/lock.h"
61 #include "lib/util.h" /* tilde_expand() */
62 #include "lib/vfs/vfs.h"
63 #include "lib/widget.h"
64 #include "lib/event.h" /* mc_event_raise() */
65 #ifdef HAVE_CHARSET
66 #include "lib/charsets.h"
67 #endif
68
69 #include "src/history.h"
70 #include "src/setup.h" /* option_tab_spacing */
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 #ifdef HAVE_ASPELL
82 #include "spell.h"
83 #include "spell_dialogs.h"
84 #endif
85 #include "etags.h"
86
87 /*** global variables ****************************************************************************/
88
89 /* search and replace: */
90 int search_create_bookmark = FALSE;
91
92 /* queries on a save */
93 int edit_confirm_save = 1;
94
95 /*** file scope macro definitions ****************************************************************/
96
97 #define space_width 1
98
99 #define TEMP_BUF_LEN 1024
100
101 #define INPUT_INDEX 9
102
103 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
104 (and the above) routines to work properly - paul */
105
106 #define is_digit(x) ((x) >= '0' && (x) <= '9')
107
108 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
109
110 /*** file scope type declarations ****************************************************************/
111
112 /*** file scope variables ************************************************************************/
113
114 static unsigned long edit_save_mode_radio_id, edit_save_mode_input_id;
115
116 /* --------------------------------------------------------------------------------------------- */
117 /*** file scope functions ************************************************************************/
118 /* --------------------------------------------------------------------------------------------- */
119
120 static cb_ret_t
121 edit_save_mode_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
122 {
123 switch (msg)
124 {
125 case MSG_ACTION:
126 if (sender != NULL && sender->id == edit_save_mode_radio_id)
127 {
128 Widget *ww;
129
130 ww = dlg_find_by_id (DIALOG (w), edit_save_mode_input_id);
131 widget_disable (ww, RADIO (sender)->sel != 2);
132 return MSG_HANDLED;
133 }
134
135 return MSG_NOT_HANDLED;
136
137 default:
138 return dlg_default_callback (w, sender, msg, parm, data);
139 }
140 }
141
142 /* --------------------------------------------------------------------------------------------- */
143
144 /* If 0 (quick save) then a) create/truncate <filename> file,
145 b) save to <filename>;
146 if 1 (safe save) then a) save to <tempnam>,
147 b) rename <tempnam> to <filename>;
148 if 2 (do backups) then a) save to <tempnam>,
149 b) rename <filename> to <filename.backup_ext>,
150 c) rename <tempnam> to <filename>. */
151
152 /* returns 0 on error, -1 on abort */
153
154 static int
155 edit_save_file (WEdit * edit, const vfs_path_t * filename_vpath)
156 {
157 char *p;
158 gchar *tmp;
159 off_t filelen = 0;
160 int this_save_mode, fd = -1;
161 vfs_path_t *real_filename_vpath;
162 vfs_path_t *savename_vpath = NULL;
163 const char *start_filename;
164 const vfs_path_element_t *vpath_element;
165
166 vpath_element = vfs_path_get_by_index (filename_vpath, 0);
167 if (vpath_element == NULL)
168 return 0;
169
170 start_filename = vpath_element->path;
171 if (*start_filename == '\0')
172 return 0;
173
174 if (*start_filename != PATH_SEP && edit->dir_vpath != NULL)
175 {
176 real_filename_vpath = vfs_path_append_vpath_new (edit->dir_vpath, filename_vpath, NULL);
177 }
178 else
179 {
180 real_filename_vpath = vfs_path_clone (filename_vpath);
181 }
182
183 this_save_mode = option_save_mode;
184 if (this_save_mode != EDIT_QUICK_SAVE)
185 {
186 if (!vfs_file_is_local (real_filename_vpath)
187 || (fd = mc_open (real_filename_vpath, O_RDONLY | O_BINARY)) == -1)
188 {
189 /*
190 * The file does not exists yet, so no safe save or
191 * backup are necessary.
192 */
193 this_save_mode = EDIT_QUICK_SAVE;
194 }
195 if (fd != -1)
196 mc_close (fd);
197 }
198
199 if (this_save_mode == EDIT_QUICK_SAVE && !edit->skip_detach_prompt)
200 {
201 int rv;
202 struct stat sb;
203
204 rv = mc_stat (real_filename_vpath, &sb);
205 if (rv == 0 && sb.st_nlink > 1)
206 {
207 rv = edit_query_dialog3 (_("Warning"),
208 _("File has hard-links. Detach before saving?"),
209 _("&Yes"), _("&No"), _("&Cancel"));
210 switch (rv)
211 {
212 case 0:
213 this_save_mode = EDIT_SAFE_SAVE;
214 /* fallthrough */
215 case 1:
216 edit->skip_detach_prompt = 1;
217 break;
218 default:
219 vfs_path_free (real_filename_vpath);
220 return -1;
221 }
222 }
223
224 /* Prevent overwriting changes from other editor sessions. */
225 if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime)
226 {
227 /* The default action is "Cancel". */
228 query_set_sel (1);
229
230 rv = edit_query_dialog2 (_("Warning"),
231 _("The file has been modified in the meantime. Save anyway?"),
232 _("&Yes"), _("&Cancel"));
233 if (rv != 0)
234 {
235 vfs_path_free (real_filename_vpath);
236 return -1;
237 }
238 }
239 }
240
241 if (this_save_mode != EDIT_QUICK_SAVE)
242 {
243 char *savedir, *saveprefix;
244
245 savedir = vfs_path_tokens_get (real_filename_vpath, 0, -1);
246 if (savedir == NULL)
247 savedir = g_strdup (".");
248
249 /* Token-related function never return leading slash, so we need add it manually */
250 saveprefix = mc_build_filename ("/", savedir, "cooledit", NULL);
251 g_free (savedir);
252 fd = mc_mkstemps (&savename_vpath, saveprefix, NULL);
253 g_free (saveprefix);
254 if (savename_vpath == NULL)
255 {
256 vfs_path_free (real_filename_vpath);
257 return 0;
258 }
259 /* FIXME:
260 * Close for now because mc_mkstemps use pure open system call
261 * to create temporary file and it needs to be reopened by
262 * VFS-aware mc_open().
263 */
264 close (fd);
265 }
266 else
267 savename_vpath = vfs_path_clone (real_filename_vpath);
268
269 (void) mc_chown (savename_vpath, edit->stat1.st_uid, edit->stat1.st_gid);
270 (void) mc_chmod (savename_vpath, edit->stat1.st_mode);
271
272 fd = mc_open (savename_vpath, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, edit->stat1.st_mode);
273 if (fd == -1)
274 goto error_save;
275
276 /* pipe save */
277 p = edit_get_write_filter (savename_vpath, real_filename_vpath);
278 if (p != NULL)
279 {
280 FILE *file;
281
282 mc_close (fd);
283 file = (FILE *) popen (p, "w");
284
285 if (file)
286 {
287 filelen = edit_write_stream (edit, file);
288 #if 1
289 pclose (file);
290 #else
291 if (pclose (file) != 0)
292 {
293 tmp = g_strdup_printf (_("Error writing to pipe: %s"), p);
294 edit_error_dialog (_("Error"), tmp);
295 g_free (tmp);
296 g_free (p);
297 goto error_save;
298 }
299 #endif
300 }
301 else
302 {
303 tmp = g_strdup_printf (_("Cannot open pipe for writing: %s"), p);
304 edit_error_dialog (_("Error"), get_sys_error (tmp));
305 g_free (p);
306 g_free (tmp);
307 goto error_save;
308 }
309 g_free (p);
310 }
311 else if (edit->lb == LB_ASIS)
312 { /* do not change line breaks */
313 off_t buf;
314 buf = 0;
315 filelen = edit->last_byte;
316 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1)
317 {
318 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE)
319 {
320 mc_close (fd);
321 goto error_save;
322 }
323 buf++;
324 }
325 if (mc_write
326 (fd, (char *) edit->buffers1[buf],
327 edit->curs1 & M_EDIT_BUF_SIZE) != (edit->curs1 & M_EDIT_BUF_SIZE))
328 {
329 filelen = -1;
330 }
331 else if (edit->curs2)
332 {
333 edit->curs2--;
334 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
335 if (mc_write
336 (fd,
337 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
338 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
339 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) != 1 + (edit->curs2 & M_EDIT_BUF_SIZE))
340 {
341 filelen = -1;
342 }
343 else
344 {
345 while (--buf >= 0)
346 {
347 if (mc_write (fd, (char *) edit->buffers2[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE)
348 {
349 filelen = -1;
350 break;
351 }
352 }
353 }
354 edit->curs2++;
355 }
356 if (mc_close (fd))
357 goto error_save;
358
359 /* Update the file information, especially the mtime. */
360 if (mc_stat (savename_vpath, &edit->stat1) == -1)
361 goto error_save;
362 }
363 else
364 { /* change line breaks */
365 FILE *file;
366 const vfs_path_element_t *path_element;
367
368 mc_close (fd);
369
370 path_element = vfs_path_get_by_index (savename_vpath, -1);
371 file = (FILE *) fopen (path_element->path, "w");
372 if (file != NULL)
373 {
374 filelen = edit_write_stream (edit, file);
375 fclose (file);
376 }
377 else
378 {
379 char *msg;
380
381 msg = g_strdup_printf (_("Cannot open file for writing: %s"), path_element->path);
382 edit_error_dialog (_("Error"), msg);
383 g_free (msg);
384 goto error_save;
385 }
386 }
387
388 if (filelen != edit->last_byte)
389 goto error_save;
390
391 if (this_save_mode == EDIT_DO_BACKUP)
392 {
393 char *tmp_store_filename;
394 vfs_path_element_t *last_vpath_element;
395 vfs_path_t *tmp_vpath;
396 gboolean ok;
397
398 #ifdef HAVE_ASSERT_H
399 assert (option_backup_ext != NULL);
400 #endif
401 /* add backup extention to the path */
402 tmp_vpath = vfs_path_clone (real_filename_vpath);
403 last_vpath_element = (vfs_path_element_t *) vfs_path_get_by_index (tmp_vpath, -1);
404 tmp_store_filename = last_vpath_element->path;
405 last_vpath_element->path = g_strdup_printf ("%s%s", tmp_store_filename, option_backup_ext);
406 g_free (tmp_store_filename);
407
408 ok = (mc_rename (real_filename_vpath, tmp_vpath) != -1);
409 vfs_path_free (tmp_vpath);
410 if (!ok)
411 goto error_save;
412 }
413
414 if (this_save_mode != EDIT_QUICK_SAVE)
415 if (mc_rename (savename_vpath, real_filename_vpath) == -1)
416 goto error_save;
417
418 vfs_path_free (real_filename_vpath);
419 vfs_path_free (savename_vpath);
420 return 1;
421 error_save:
422 /* FIXME: Is this safe ?
423 * if (this_save_mode != EDIT_QUICK_SAVE)
424 * mc_unlink (savename);
425 */
426 vfs_path_free (real_filename_vpath);
427 vfs_path_free (savename_vpath);
428 return 0;
429 }
430
431 /* --------------------------------------------------------------------------------------------- */
432
433 static gboolean
434 edit_check_newline (WEdit * edit)
435 {
436 return !(option_check_nl_at_eof && edit->last_byte > 0
437 && edit_get_byte (edit, edit->last_byte - 1) != '\n'
438 && edit_query_dialog2 (_("Warning"),
439 _("The file you are saving is not finished with a newline"),
440 _("C&ontinue"), _("&Cancel")));
441 }
442
443 /* --------------------------------------------------------------------------------------------- */
444
445 static vfs_path_t *
446 edit_get_save_file_as (WEdit * edit)
447 {
448 static LineBreaks cur_lb = LB_ASIS;
449 char *filename;
450 char *filename_res;
451 vfs_path_t *ret_vpath = NULL;
452
453 const char *lb_names[LB_NAMES] = {
454 N_("&Do not change"),
455 N_("&Unix format (LF)"),
456 N_("&Windows/DOS format (CR LF)"),
457 N_("&Macintosh format (CR)")
458 };
459
460 filename = vfs_path_to_str (edit->filename_vpath);
461
462 {
463 quick_widget_t quick_widgets[] = {
464 /* *INDENT-OFF* */
465 QUICK_LABELED_INPUT (N_("Enter file name:"), input_label_above, filename, "save-as",
466 &filename_res, NULL, FALSE, FALSE, INPUT_COMPLETE_FILENAMES),
467 QUICK_SEPARATOR (TRUE),
468 QUICK_LABEL (N_("Change line breaks to:"), NULL),
469 QUICK_RADIO (LB_NAMES, lb_names, (int *) &cur_lb, NULL),
470 QUICK_BUTTONS_OK_CANCEL,
471 QUICK_END
472 /* *INDENT-ON* */
473 };
474
475 quick_dialog_t qdlg = {
476 -1, -1, 64,
477 N_("Save As"), "[Save File As]",
478 quick_widgets, NULL, NULL
479 };
480
481 if (quick_dialog (&qdlg) != B_CANCEL)
482 {
483 char *fname;
484
485 edit->lb = cur_lb;
486 fname = tilde_expand (filename_res);
487 g_free (filename_res);
488 ret_vpath = vfs_path_from_str (fname);
489 g_free (fname);
490 }
491 }
492
493 g_free (filename);
494
495 return ret_vpath;
496 }
497
498 /* --------------------------------------------------------------------------------------------- */
499
500 /** returns TRUE on success */
501
502 static gboolean
503 edit_save_cmd (WEdit * edit)
504 {
505 int res, save_lock = 0;
506
507 if (!edit->locked && !edit->delete_file)
508 save_lock = lock_file (edit->filename_vpath);
509 res = edit_save_file (edit, edit->filename_vpath);
510
511 /* Maintain modify (not save) lock on failure */
512 if ((res > 0 && edit->locked) || save_lock)
513 edit->locked = unlock_file (edit->filename_vpath);
514
515 /* On failure try 'save as', it does locking on its own */
516 if (res == 0)
517 return edit_save_as_cmd (edit);
518 edit->force |= REDRAW_COMPLETELY;
519 if (res > 0)
520 {
521 edit->delete_file = 0;
522 edit->modified = 0;
523 }
524
525 return TRUE;
526 }
527
528 /* --------------------------------------------------------------------------------------------- */
529 /**
530 * Load file content
531 *
532 * @param h screen the owner of editor window
533 * @param vpath vfs file path
534 * @return TRUE if file content was successfully loaded, FALSE otherwise
535 */
536
537 static inline gboolean
538 edit_load_file_from_filename (WDialog * h, const vfs_path_t * vpath)
539 {
540 Widget *w = WIDGET (h);
541
542 return edit_add_window (h, w->y + 1, w->x, w->lines - 2, w->cols, vpath, 0);
543 }
544
545 /* --------------------------------------------------------------------------------------------- */
546
547 static void
548 edit_delete_column_of_text (WEdit * edit)
549 {
550 off_t p, q, r;
551 off_t m1, m2;
552 off_t n;
553 long b, c, d;
554
555 eval_marks (edit, &m1, &m2);
556 n = edit_move_forward (edit, m1, 0, m2) + 1;
557 c = (long) edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
558 d = (long) edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
559 b = max (min (c, d), min (edit->column1, edit->column2));
560 c = max (c, max (edit->column1, edit->column2));
561
562 while (n--)
563 {
564 r = edit_bol (edit, edit->curs1);
565 p = edit_move_forward3 (edit, r, b, 0);
566 q = edit_move_forward3 (edit, r, c, 0);
567 if (p < m1)
568 p = m1;
569 if (q > m2)
570 q = m2;
571 edit_cursor_move (edit, p - edit->curs1);
572 while (q > p)
573 {
574 /* delete line between margins */
575 if (edit_get_byte (edit, edit->curs1) != '\n')
576 edit_delete (edit, TRUE);
577 q--;
578 }
579 if (n)
580 /* move to next line except on the last delete */
581 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
582 }
583 }
584
585 /* --------------------------------------------------------------------------------------------- */
586 /** if success return 0 */
587
588 static int
589 edit_block_delete (WEdit * edit)
590 {
591 off_t start_mark, end_mark;
592 off_t curs_pos;
593 long curs_line, c1, c2;
594
595 if (eval_marks (edit, &start_mark, &end_mark))
596 return 0;
597 if (edit->column_highlight && edit->mark2 < 0)
598 edit_mark_cmd (edit, FALSE);
599 if ((end_mark - start_mark) > option_max_undo / 2)
600 {
601 /* Warning message with a query to continue or cancel the operation */
602 if (edit_query_dialog2
603 (_("Warning"),
604 _
605 ("Block is large, you may not be able to undo this action"),
606 _("C&ontinue"), _("&Cancel")))
607 {
608 return 1;
609 }
610 }
611 c1 = min (edit->column1, edit->column2);
612 c2 = max (edit->column1, edit->column2);
613 edit->column1 = c1;
614 edit->column2 = c2;
615
616 edit_push_markers (edit);
617
618 curs_line = edit->curs_line;
619
620 curs_pos = edit->curs_col + edit->over_col;
621
622 /* move cursor to start of selection */
623 edit_cursor_move (edit, start_mark - edit->curs1);
624 edit_scroll_screen_over_cursor (edit);
625
626 if (start_mark < end_mark)
627 {
628 if (edit->column_highlight)
629 {
630 off_t line_width;
631
632 if (edit->mark2 < 0)
633 edit_mark_cmd (edit, FALSE);
634 edit_delete_column_of_text (edit);
635 /* move cursor to the saved position */
636 edit_move_to_line (edit, curs_line);
637 /* calculate line width and cursor position before cut */
638 line_width = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
639 edit_eol (edit, edit->curs1));
640 if (option_cursor_beyond_eol && curs_pos > line_width)
641 edit->over_col = curs_pos - line_width;
642 }
643 else
644 {
645 off_t count;
646
647 for (count = start_mark; count < end_mark; count++)
648 edit_delete (edit, TRUE);
649 }
650 }
651 edit_set_markers (edit, 0, 0, 0, 0);
652 edit->force |= REDRAW_PAGE;
653 return 0;
654 }
655
656 /* --------------------------------------------------------------------------------------------- */
657 /**
658 * Get EOL symbol for searching.
659 *
660 * @param edit editor object
661 * @return EOL symbol
662 */
663
664 static inline char
665 edit_search_get_current_end_line_char (const WEdit * edit)
666 {
667 switch (edit->lb)
668 {
669 case LB_MAC:
670 return '\r';
671 default:
672 return '\n';
673 }
674 }
675
676 /* --------------------------------------------------------------------------------------------- */
677 /**
678 * Checking if search condition have BOL(^) or EOL ($) regexp special characters.
679 *
680 * @param search search object
681 * @return result of checks.
682 */
683
684 static edit_search_line_t
685 edit_get_search_line_type (mc_search_t * search)
686 {
687 edit_search_line_t search_line_type = 0;
688
689 if (search->search_type != MC_SEARCH_T_REGEX)
690 return search_line_type;
691
692 if (*search->original == '^')
693 search_line_type |= AT_START_LINE;
694
695 if (search->original[search->original_len - 1] == '$')
696 search_line_type |= AT_END_LINE;
697 return search_line_type;
698 }
699
700 /* --------------------------------------------------------------------------------------------- */
701 /**
702 * Calculating the start position of next line.
703 *
704 * @param edit editor object
705 * @param current_pos current position
706 * @param max_pos max position
707 * @param end_string_symbol end of line symbol
708 * @return start position of next line
709 */
710
711 static off_t
712 edit_calculate_start_of_next_line (WEdit * edit, off_t current_pos, off_t max_pos,
713 char end_string_symbol)
714 {
715 off_t i;
716
717 for (i = current_pos; i < max_pos; i++)
718 {
719 current_pos++;
720 if (edit_get_byte (edit, i) == end_string_symbol)
721 break;
722 }
723
724 return current_pos;
725 }
726
727 /* --------------------------------------------------------------------------------------------- */
728 /**
729 * Calculating the end position of previous line.
730 *
731 * @param edit editor object
732 * @param current_pos current position
733 * @param end_string_symbol end of line symbol
734 * @return end position of previous line
735 */
736
737 static off_t
738 edit_calculate_end_of_previous_line (WEdit * edit, off_t current_pos, char end_string_symbol)
739 {
740 off_t i;
741
742 for (i = current_pos - 1; i >= 0; i--)
743 if (edit_get_byte (edit, i) == end_string_symbol)
744 break;
745
746 return i;
747 }
748
749 /* --------------------------------------------------------------------------------------------- */
750 /**
751 * Calculating the start position of previous line.
752 *
753 * @param edit editor object
754 * @param current_pos current position
755 * @param end_string_symbol end of line symbol
756 * @return start position of previous line
757 */
758
759 static inline off_t
760 edit_calculate_start_of_previous_line (WEdit * edit, off_t current_pos, char end_string_symbol)
761 {
762 current_pos = edit_calculate_end_of_previous_line (edit, current_pos, end_string_symbol);
763 current_pos = edit_calculate_end_of_previous_line (edit, current_pos, end_string_symbol);
764
765 return (current_pos + 1);
766 }
767
768 /* --------------------------------------------------------------------------------------------- */
769 /**
770 * Calculating the start position of current line.
771 *
772 * @param edit editor object
773 * @param current_pos current position
774 * @param end_string_symbol end of line symbol
775 * @return start position of current line
776 */
777
778 static inline off_t
779 edit_calculate_start_of_current_line (WEdit * edit, off_t current_pos, char end_string_symbol)
780 {
781 current_pos = edit_calculate_end_of_previous_line (edit, current_pos, end_string_symbol);
782
783 return (current_pos + 1);
784 }
785
786 /* --------------------------------------------------------------------------------------------- */
787 /**
788 * Fixing (if needed) search start position if 'only in selection' option present.
789 *
790 * @param edit editor object
791 */
792
793 static void
794 edit_search_fix_search_start_if_selection (WEdit * edit)
795 {
796 off_t start_mark = 0;
797 off_t end_mark = 0;
798
799 if (!edit_search_options.only_in_selection)
800 return;
801
802 if (eval_marks (edit, &start_mark, &end_mark) != 0)
803 return;
804
805 if (edit_search_options.backwards)
806 {
807 if (edit->search_start > end_mark || edit->search_start <= start_mark)
808 edit->search_start = end_mark;
809 }
810 else
811 {
812 if (edit->search_start < start_mark || edit->search_start >= end_mark)
813 edit->search_start = start_mark;
814 }
815 }
816
817 /* --------------------------------------------------------------------------------------------- */
818
819 static gboolean
820 editcmd_find (WEdit * edit, gsize * len)
821 {
822 off_t search_start = edit->search_start;
823 off_t search_end;
824 off_t start_mark = 0;
825 off_t end_mark = edit->last_byte;
826 int mark_res = 0;
827 char end_string_symbol;
828
829 end_string_symbol = edit_search_get_current_end_line_char (edit);
830
831 /* prepare for search */
832 if (edit_search_options.only_in_selection)
833 {
834 mark_res = eval_marks (edit, &start_mark, &end_mark);
835 if (mark_res != 0)
836 {
837 edit->search->error = MC_SEARCH_E_NOTFOUND;
838 edit->search->error_str = g_strdup (_("Search string not found"));
839 return FALSE;
840 }
841
842 /* fix the start and the end of search block positions */
843 if ((edit->search_line_type & AT_START_LINE) != 0
844 && (start_mark != 0 || edit_get_byte (edit, start_mark - 1) != end_string_symbol))
845 {
846 start_mark =
847 edit_calculate_start_of_next_line (edit, start_mark, edit->last_byte,
848 end_string_symbol);
849 }
850 if ((edit->search_line_type & AT_END_LINE) != 0
851 && (end_mark - 1 != edit->last_byte
852 || edit_get_byte (edit, end_mark) != end_string_symbol))
853 {
854 end_mark = edit_calculate_end_of_previous_line (edit, end_mark, end_string_symbol);
855 }
856 if (start_mark >= end_mark)
857 {
858 edit->search->error = MC_SEARCH_E_NOTFOUND;
859 edit->search->error_str = g_strdup (_("Search string not found"));
860 return FALSE;
861 }
862 }
863 else
864 {
865 if (edit_search_options.backwards)
866 end_mark = max (1, edit->curs1) - 1;
867 }
868
869 /* search */
870 if (edit_search_options.backwards)
871 {
872 /* backward search */
873 search_end = end_mark;
874
875 if ((edit->search_line_type & AT_START_LINE) != 0)
876 search_start =
877 edit_calculate_start_of_current_line (edit, search_start, end_string_symbol);
878
879 while (search_start >= start_mark)
880 {
881 if (search_end > (off_t) (search_start + edit->search->original_len)
882 && mc_search_is_fixed_search_str (edit->search))
883 {
884 search_end = search_start + edit->search->original_len;
885 }
886 if (mc_search_run (edit->search, (void *) edit, search_start, search_end, len)
887 && edit->search->normal_offset == search_start)
888 {
889 return TRUE;
890 }
891
892
893 if ((edit->search_line_type & AT_START_LINE) != 0)
894 search_start =
895 edit_calculate_start_of_previous_line (edit, search_start, end_string_symbol);
896 else
897 search_start--;
898 }
899 edit->search->error_str = g_strdup (_("Search string not found"));
900 }
901 else
902 {
903 /* forward search */
904 if ((edit->search_line_type & AT_START_LINE) != 0 && search_start != start_mark)
905 search_start =
906 edit_calculate_start_of_next_line (edit, search_start, end_mark, end_string_symbol);
907 return mc_search_run (edit->search, (void *) edit, search_start, end_mark, len);
908 }
909 return FALSE;
910 }
911
912 /* --------------------------------------------------------------------------------------------- */
913
914 static char *
915 edit_replace_cmd__conv_to_display (char *str)
916 {
917 #ifdef HAVE_CHARSET
918 GString *tmp;
919
920 tmp = str_convert_to_display (str);
921 if (tmp != NULL)
922 {
923 if (tmp->len != 0)
924 return g_string_free (tmp, FALSE);
925 g_string_free (tmp, TRUE);
926 }
927 #endif
928 return g_strdup (str);
929 }
930
931 /* --------------------------------------------------------------------------------------------- */
932
933 static char *
934 edit_replace_cmd__conv_to_input (char *str)
935 {
936 #ifdef HAVE_CHARSET
937 GString *tmp;
938
939 tmp = str_convert_to_input (str);
940 if (tmp != NULL)
941 {
942 if (tmp->len != 0)
943 return g_string_free (tmp, FALSE);
944 g_string_free (tmp, TRUE);
945 }
946 #endif
947 return g_strdup (str);
948 }
949
950 /* --------------------------------------------------------------------------------------------- */
951
952 static void
953 edit_do_search (WEdit * edit)
954 {
955 gsize len = 0;
956
957 if (edit->search == NULL)
958 edit->search_start = edit->curs1;
959
960 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
961
962 if (search_create_bookmark)
963 {
964 int found = 0, books = 0;
965 long l = 0, l_last = -1;
966 long q = 0;
967
968 search_create_bookmark = FALSE;
969 book_mark_flush (edit, -1);
970
971 while (mc_search_run (edit->search, (void *) edit, q, edit->last_byte, &len))
972 {
973 if (found == 0)
974 edit->search_start = edit->search->normal_offset;
975 found++;
976 l += edit_count_lines (edit, q, edit->search->normal_offset);
977 if (l != l_last)
978 {
979 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
980 books++;
981 }
982 l_last = l;
983 q = edit->search->normal_offset + 1;
984 }
985
986 if (found == 0)
987 edit_error_dialog (_("Search"), _("Search string not found"));
988 else
989 edit_cursor_move (edit, edit->search_start - edit->curs1);
990 }
991 else
992 {
993 if (edit->found_len != 0 && edit->search_start == edit->found_start + 1
994 && edit_search_options.backwards)
995 edit->search_start--;
996
997 if (edit->found_len != 0 && edit->search_start == edit->found_start - 1
998 && !edit_search_options.backwards)
999 edit->search_start++;
1000
1001 if (editcmd_find (edit, &len))
1002 {
1003 edit->found_start = edit->search_start = edit->search->normal_offset;
1004 edit->found_len = len;
1005 edit->over_col = 0;
1006 edit_cursor_move (edit, edit->search_start - edit->curs1);
1007 edit_scroll_screen_over_cursor (edit);
1008 if (edit_search_options.backwards)
1009 edit->search_start--;
1010 else
1011 edit->search_start++;
1012 }
1013 else
1014 {
1015 edit->search_start = edit->curs1;
1016 if (edit->search->error_str != NULL)
1017 edit_error_dialog (_("Search"), edit->search->error_str);
1018 }
1019 }
1020
1021 edit->force |= REDRAW_COMPLETELY;
1022 edit_scroll_screen_over_cursor (edit);
1023 }
1024
1025 /* --------------------------------------------------------------------------------------------- */
1026
1027 static void
1028 edit_search (WEdit * edit)
1029 {
1030 if (editcmd_dialog_search_show (edit))
1031 {
1032 edit->search_line_type = edit_get_search_line_type (edit->search);
1033 edit_search_fix_search_start_if_selection (edit);
1034 edit_do_search (edit);
1035 }
1036 }
1037
1038 /* --------------------------------------------------------------------------------------------- */
1039 /** Return a null terminated length of text. Result must be g_free'd */
1040
1041 static unsigned char *
1042 edit_get_block (WEdit * edit, off_t start, off_t finish, off_t * l)
1043 {
1044 unsigned char *s, *r;
1045
1046 r = s = g_malloc0 (finish - start + 1);
1047 if (edit->column_highlight)
1048 {
1049 *l = 0;
1050 /* copy from buffer, excluding chars that are out of the column 'margins' */
1051 while (start < finish)
1052 {
1053 int c;
1054 off_t x;
1055
1056 x = edit_move_forward3 (edit, edit_bol (edit, start), 0, start);
1057 c = edit_get_byte (edit, start);
1058 if ((x >= edit->column1 && x < edit->column2)
1059 || (x >= edit->column2 && x < edit->column1) || c == '\n')
1060 {
1061 *s++ = c;
1062 (*l)++;
1063 }
1064 start++;
1065 }
1066 }
1067 else
1068 {
1069 *l = finish - start;
1070 while (start < finish)
1071 *s++ = edit_get_byte (edit, start++);
1072 }
1073 *s = '\0';
1074 return r;
1075 }
1076
1077 /* --------------------------------------------------------------------------------------------- */
1078 /** copies a block to clipboard file */
1079
1080 static gboolean
1081 edit_save_block_to_clip_file (WEdit * edit, off_t start, off_t finish)
1082 {
1083 gboolean ret;
1084 gchar *tmp;
1085
1086 tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
1087 ret = edit_save_block (edit, tmp, start, finish);
1088 g_free (tmp);
1089 return ret;
1090 }
1091
1092 /* --------------------------------------------------------------------------------------------- */
1093
1094 static void
1095 pipe_mail (WEdit * edit, char *to, char *subject, char *cc)
1096 {
1097 FILE *p = 0;
1098 char *s;
1099
1100 to = name_quote (to, 0);
1101 subject = name_quote (subject, 0);
1102 cc = name_quote (cc, 0);
1103 s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "", cc, " ", to, (char *) NULL);
1104 g_free (to);
1105 g_free (subject);
1106 g_free (cc);
1107
1108 if (s)
1109 {
1110 p = popen (s, "w");
1111 g_free (s);
1112 }
1113
1114 if (p)
1115 {
1116 off_t i;
1117 for (i = 0; i < edit->last_byte; i++)
1118 fputc (edit_get_byte (edit, i), p);
1119 pclose (p);
1120 }
1121 }
1122
1123 /* --------------------------------------------------------------------------------------------- */
1124 /** find first character of current word */
1125
1126 static gboolean
1127 edit_find_word_start (WEdit * edit, off_t * word_start, gsize * word_len)
1128 {
1129 int c, last;
1130 off_t i;
1131
1132 /* return if at begin of file */
1133 if (edit->curs1 <= 0)
1134 return FALSE;
1135
1136 c = edit_get_byte (edit, edit->curs1 - 1);
1137 /* return if not at end or in word */
1138 if (is_break_char (c))
1139 return FALSE;
1140
1141 /* search start of word to be completed */
1142 for (i = 2;; i++)
1143 {
1144 /* return if at begin of file */
1145 if (edit->curs1 < i)
1146 return FALSE;
1147
1148 last = c;
1149 c = edit_get_byte (edit, edit->curs1 - i);
1150
1151 if (is_break_char (c))
1152 {
1153 /* return if word starts with digit */
1154 if (isdigit (last))
1155 return FALSE;
1156
1157 *word_start = edit->curs1 - (i - 1); /* start found */
1158 *word_len = (gsize) (i - 1);
1159 break;
1160 }
1161 }
1162 /* success */
1163 return TRUE;
1164 }
1165
1166 /* --------------------------------------------------------------------------------------------- */
1167 /**
1168 * Get current word under cursor
1169 *
1170 * @param edit editor object
1171 * @param srch mc_search object
1172 * @param word_start start word position
1173 *
1174 * @return newly allocated string or NULL if no any words under cursor
1175 */
1176
1177 static char *
1178 edit_collect_completions_get_current_word (WEdit * edit, mc_search_t * srch, off_t word_start)
1179 {
1180 gsize len = 0;
1181 off_t i;
1182 GString *temp;
1183
1184 if (!mc_search_run (srch, (void *) edit, word_start, edit->last_byte, &len))
1185 return NULL;
1186
1187 temp = g_string_sized_new (len);
1188
1189 for (i = 0; i < (off_t) len; i++)
1190 {
1191 int chr;
1192
1193 chr = edit_get_byte (edit, word_start + i);
1194 if (!isspace (chr))
1195 g_string_append_c (temp, chr);
1196 }
1197
1198 return g_string_free (temp, temp->len == 0);
1199 }
1200
1201 /* --------------------------------------------------------------------------------------------- */
1202 /** collect the possible completions */
1203
1204 static gsize
1205 edit_collect_completions (WEdit * edit, off_t word_start, gsize word_len,
1206 char *match_expr, GString ** compl, gsize * num)
1207 {
1208 gsize len = 0;
1209 gsize max_len = 0;
1210 gsize i;
1211 int skip;
1212 GString *temp;
1213 mc_search_t *srch;
1214 off_t last_byte, start = -1;
1215 char *current_word;
1216
1217 srch = mc_search_new (match_expr, -1);
1218 if (srch == NULL)
1219 return 0;
1220
1221 if (mc_config_get_bool
1222 (mc_main_config, CONFIG_APP_SECTION, "editor_wordcompletion_collect_entire_file", 0))
1223 {
1224 last_byte = edit->last_byte;
1225 }
1226 else
1227 {
1228 last_byte = word_start;
1229 }
1230
1231 srch->search_type = MC_SEARCH_T_REGEX;
1232 srch->is_case_sensitive = TRUE;
1233 srch->search_fn = edit_search_cmd_callback;
1234
1235 current_word = edit_collect_completions_get_current_word (edit, srch, word_start);
1236
1237 temp = g_string_new ("");
1238
1239 /* collect max MAX_WORD_COMPLETIONS completions */
1240 while (mc_search_run (srch, (void *) edit, start + 1, last_byte, &len))
1241 {
1242 g_string_set_size (temp, 0);
1243 start = srch->normal_offset;
1244
1245 /* add matched completion if not yet added */
1246 for (i = 0; i < len; i++)
1247 {
1248 skip = edit_get_byte (edit, start + i);
1249 if (isspace (skip))
1250 continue;
1251
1252 /* skip current word */
1253 if (start + (off_t) i == word_start)
1254 break;
1255
1256 g_string_append_c (temp, skip);
1257 }
1258
1259 if (temp->len == 0)
1260 continue;
1261
1262 if (current_word != NULL && strcmp (current_word, temp->str) == 0)
1263 continue;
1264
1265 skip = 0;
1266
1267 for (i = 0; i < *num; i++)
1268 {
1269 if (strncmp
1270 ((char *) &compl[i]->str[word_len],
1271 (char *) &temp->str[word_len], max (len, compl[i]->len) - word_len) == 0)
1272 {
1273 GString *this = compl[i];
1274 for (++i; i < *num; i++)
1275 compl[i - 1] = compl[i];
1276 compl[*num - 1] = this;
1277 skip = 1;
1278 break; /* skip it, already added */
1279 }
1280 }
1281 if (skip != 0)
1282 continue;
1283
1284 if (*num == MAX_WORD_COMPLETIONS)
1285 {
1286 g_string_free (compl[0], TRUE);
1287 for (i = 1; i < *num; i++)
1288 compl[i - 1] = compl[i];
1289 (*num)--;
1290 }
1291 #ifdef HAVE_CHARSET
1292 {
1293 GString *recoded;
1294 recoded = str_convert_to_display (temp->str);
1295
1296 if (recoded && recoded->len)
1297 g_string_assign (temp, recoded->str);
1298
1299 g_string_free (recoded, TRUE);
1300 }
1301 #endif
1302 compl[(*num)++] = g_string_new_len (temp->str, temp->len);
1303 start += len;
1304
1305 /* note the maximal length needed for the completion dialog */
1306 if (len > max_len)
1307 max_len = len;
1308 }
1309
1310 mc_search_free (srch);
1311 g_string_free (temp, TRUE);
1312 g_free (current_word);
1313
1314 return max_len;
1315 }
1316
1317 /* --------------------------------------------------------------------------------------------- */
1318
1319 static void
1320 edit_insert_column_of_text (WEdit * edit, unsigned char *data, off_t size, long width,
1321 off_t * start_pos, off_t * end_pos, long *col1, long *col2)
1322 {
1323 off_t i, cursor;
1324 long col;
1325
1326 cursor = edit->curs1;
1327 col = edit_get_col (edit);
1328
1329 for (i = 0; i < size; i++)
1330 {
1331 if (data[i] != '\n')
1332 edit_insert (edit, data[i]);
1333 else
1334 { /* fill in and move to next line */
1335 long l;
1336 off_t p;
1337
1338 if (edit_get_byte (edit, edit->curs1) != '\n')
1339 {
1340 for (l = width - (edit_get_col (edit) - col); l > 0; l -= space_width)
1341 edit_insert (edit, ' ');
1342 }
1343 for (p = edit->curs1;; p++)
1344 {
1345 if (p == edit->last_byte)
1346 {
1347 edit_cursor_move (edit, edit->last_byte - edit->curs1);
1348 edit_insert_ahead (edit, '\n');
1349 p++;
1350 break;
1351 }
1352 if (edit_get_byte (edit, p) == '\n')
1353 {
1354 p++;
1355 break;
1356 }
1357 }
1358 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
1359
1360 for (l = col - edit_get_col (edit); l >= space_width; l -= space_width)
1361 edit_insert (edit, ' ');
1362 }
1363 }
1364
1365 *col1 = col;
1366 *col2 = col + width;
1367 *start_pos = cursor;
1368 *end_pos = edit->curs1;
1369 edit_cursor_move (edit, cursor - edit->curs1);
1370 }
1371
1372 /* --------------------------------------------------------------------------------------------- */
1373
1374 static int
1375 edit_macro_comparator (gconstpointer * macro1, gconstpointer * macro2)
1376 {
1377 const macros_t *m1 = (const macros_t *) macro1;
1378 const macros_t *m2 = (const macros_t *) macro2;
1379
1380 return m1->hotkey - m2->hotkey;
1381 }
1382
1383 /* --------------------------------------------------------------------------------------------- */
1384
1385 static void
1386 edit_macro_sort_by_hotkey (void)
1387 {
1388 if (macros_list != NULL && macros_list->len != 0)
1389 g_array_sort (macros_list, (GCompareFunc) edit_macro_comparator);
1390 }
1391
1392 /* --------------------------------------------------------------------------------------------- */
1393
1394 static gboolean
1395 edit_get_macro (WEdit * edit, int hotkey, const macros_t ** macros, guint * indx)
1396 {
1397 const macros_t *array_start = &g_array_index (macros_list, struct macros_t, 0);
1398 macros_t *result;
1399 macros_t search_macro;
1400
1401 (void) edit;
1402
1403 search_macro.hotkey = hotkey;
1404 result = bsearch (&search_macro, macros_list->data, macros_list->len,
1405 sizeof (macros_t), (GCompareFunc) edit_macro_comparator);
1406
1407 if (result != NULL && result->macro != NULL)
1408 {
1409 *indx = (result - array_start);
1410 *macros = result;
1411 return TRUE;
1412 }
1413 *indx = 0;
1414 return FALSE;
1415 }
1416
1417 /* --------------------------------------------------------------------------------------------- */
1418 /** returns FALSE on error */
1419
1420 static gboolean
1421 edit_delete_macro (WEdit * edit, int hotkey)
1422 {
1423 mc_config_t *macros_config = NULL;
1424 const char *section_name = "editor";
1425 gchar *macros_fname;
1426 guint indx;
1427 char *skeyname;
1428 const macros_t *macros = NULL;
1429
1430 /* clear array of actions for current hotkey */
1431 while (edit_get_macro (edit, hotkey, &macros, &indx))
1432 {
1433 if (macros->macro != NULL)
1434 g_array_free (macros->macro, TRUE);
1435 macros = NULL;
1436 g_array_remove_index (macros_list, indx);
1437 edit_macro_sort_by_hotkey ();
1438 }
1439
1440 macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
1441 macros_config = mc_config_init (macros_fname, FALSE);
1442 g_free (macros_fname);
1443
1444 if (macros_config == NULL)
1445 return FALSE;
1446
1447 skeyname = lookup_key_by_code (hotkey);
1448 while (mc_config_del_key (macros_config, section_name, skeyname))
1449 ;
1450 g_free (skeyname);
1451 mc_config_save_file (macros_config, NULL);
1452 mc_config_deinit (macros_config);
1453 return TRUE;
1454 }
1455
1456 /* --------------------------------------------------------------------------------------------- */
1457 /**
1458 * Callback for the iteration of objects in the 'editors' array.
1459 * Toggle syntax highlighting in editor object.
1460 *
1461 * @param data probably WEdit object
1462 * @param user_data unused
1463 */
1464
1465 static void
1466 edit_syntax_onoff_cb (void *data, void *user_data)
1467 {
1468 (void) user_data;
1469
1470 if (edit_widget_is_editor ((const Widget *) data))
1471 {
1472 WEdit *edit = (WEdit *) data;
1473
1474 if (option_syntax_highlighting)
1475 edit_load_syntax (edit, NULL, edit->syntax_type);
1476 edit->force |= REDRAW_PAGE;
1477 }
1478 }
1479
1480 /* --------------------------------------------------------------------------------------------- */
1481 /**
1482 * Callback for the iteration of objects in the 'editors' array.
1483 * Redraw editor object.
1484 *
1485 * @param data probably WEdit object
1486 * @param user_data unused
1487 */
1488
1489 static void
1490 edit_redraw_page_cb (void *data, void *user_data)
1491 {
1492 (void) user_data;
1493
1494 if (edit_widget_is_editor ((const Widget *) data))
1495 ((WEdit *) data)->force |= REDRAW_PAGE;
1496 }
1497
1498 /* --------------------------------------------------------------------------------------------- */
1499 /*** public functions ****************************************************************************/
1500 /* --------------------------------------------------------------------------------------------- */
1501
1502 void
1503 edit_refresh_cmd (void)
1504 {
1505 clr_scr ();
1506 repaint_screen ();
1507 tty_keypad (TRUE);
1508 }
1509
1510 /* --------------------------------------------------------------------------------------------- */
1511 /**
1512 * Toggle syntax highlighting in all editor windows.
1513 *
1514 * @param h root widget for all windows
1515 */
1516
1517 void
1518 edit_syntax_onoff_cmd (WDialog * h)
1519 {
1520 option_syntax_highlighting = !option_syntax_highlighting;
1521 g_list_foreach (h->widgets, edit_syntax_onoff_cb, NULL);
1522 dlg_redraw (h);
1523 }
1524
1525 /* --------------------------------------------------------------------------------------------- */
1526 /**
1527 * Toggle tabs showing in all editor windows.
1528 *
1529 * @param h root widget for all windows
1530 */
1531
1532 void
1533 edit_show_tabs_tws_cmd (WDialog * h)
1534 {
1535 enable_show_tabs_tws = !enable_show_tabs_tws;
1536 g_list_foreach (h->widgets, edit_redraw_page_cb, NULL);
1537 dlg_redraw (h);
1538 }
1539
1540 /* --------------------------------------------------------------------------------------------- */
1541 /**
1542 * Toggle right margin showing in all editor windows.
1543 *
1544 * @param h root widget for all windows
1545 */
1546
1547 void
1548 edit_show_margin_cmd (WDialog * h)
1549 {
1550 show_right_margin = !show_right_margin;
1551 g_list_foreach (h->widgets, edit_redraw_page_cb, NULL);
1552 dlg_redraw (h);
1553 }
1554
1555 /* --------------------------------------------------------------------------------------------- */
1556 /**
1557 * Toggle line numbers showing in all editor windows.
1558 *
1559 * @param h root widget for all windows
1560 */
1561
1562 void
1563 edit_show_numbers_cmd (WDialog * h)
1564 {
1565 option_line_state = !option_line_state;
1566 option_line_state_width = option_line_state ? LINE_STATE_WIDTH : 0;
1567 g_list_foreach (h->widgets, edit_redraw_page_cb, NULL);
1568 dlg_redraw (h);
1569 }
1570
1571 /* --------------------------------------------------------------------------------------------- */
1572
1573 void
1574 edit_save_mode_cmd (void)
1575 {
1576 char *str_result;
1577
1578 const char *str[] = {
1579 N_("&Quick save"),
1580 N_("&Safe save"),
1581 N_("&Do backups with following extension:")
1582 };
1583
1584 #ifdef HAVE_ASSERT_H
1585 assert (option_backup_ext != NULL);
1586 #endif
1587
1588 #ifdef ENABLE_NLS
1589 size_t i;
1590
1591 for (i = 0; i < 3; i++)
1592 str[i] = _(str[i]);
1593 #endif
1594
1595 {
1596 quick_widget_t quick_widgets[] = {
1597 /* *INDENT-OFF* */
1598 QUICK_RADIO (3, str, &option_save_mode, &edit_save_mode_radio_id),
1599 QUICK_INPUT (option_backup_ext, "edit-backup-ext", &str_result,
1600 &edit_save_mode_input_id, FALSE, FALSE, INPUT_COMPLETE_NONE),
1601 QUICK_SEPARATOR (TRUE),
1602 QUICK_CHECKBOX (N_("Check &POSIX new line"), &option_check_nl_at_eof, NULL),
1603 QUICK_BUTTONS_OK_CANCEL,
1604 QUICK_END
1605 /* *INDENT-ON* */
1606 };
1607
1608 quick_dialog_t qdlg = {
1609 -1, -1, 38,
1610 N_("Edit Save Mode"), "[Edit Save Mode]",
1611 quick_widgets, edit_save_mode_callback, NULL
1612 };
1613
1614 if (quick_dialog (&qdlg) != B_CANCEL)
1615 {
1616 g_free (option_backup_ext);
1617 option_backup_ext = str_result;
1618 }
1619 }
1620 }
1621
1622 /* --------------------------------------------------------------------------------------------- */
1623
1624 void
1625 edit_set_filename (WEdit * edit, const vfs_path_t * name_vpath)
1626 {
1627 vfs_path_free (edit->filename_vpath);
1628 edit->filename_vpath = vfs_path_clone (name_vpath);
1629
1630 if (edit->dir_vpath == NULL)
1631 edit->dir_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
1632 }
1633
1634 /* --------------------------------------------------------------------------------------------- */
1635 /* Here we want to warn the users of overwriting an existing file,
1636 but only if they have made a change to the filename */
1637 /* returns TRUE on success */
1638 gboolean
1639 edit_save_as_cmd (WEdit * edit)
1640 {
1641 /* This heads the 'Save As' dialog box */
1642 vfs_path_t *exp_vpath;
1643 int save_lock = 0;
1644 int different_filename = 0;
1645
1646 if (!edit_check_newline (edit))
1647 return FALSE;
1648
1649 exp_vpath = edit_get_save_file_as (edit);
1650 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1651
1652 if (exp_vpath != NULL)
1653 {
1654 if (vfs_path_len (exp_vpath) == 0)
1655 goto ret;
1656 else
1657 {
1658 int rv;
1659
1660 if (!vfs_path_equal (edit->filename_vpath, exp_vpath))
1661 {
1662 int file;
1663 struct stat sb;
1664
1665 if (mc_stat (exp_vpath, &sb) == 0 && !S_ISREG (sb.st_mode))
1666 {
1667 edit_error_dialog (_("Save as"),
1668 get_sys_error (_
1669 ("Cannot save: destination is not a regular file")));
1670 goto ret;
1671 }
1672
1673 different_filename = 1;
1674 file = mc_open (exp_vpath, O_RDONLY | O_BINARY);
1675
1676 if (file != -1)
1677 {
1678 /* the file exists */
1679 mc_close (file);
1680 /* Overwrite the current file or cancel the operation */
1681 if (edit_query_dialog2
1682 (_("Warning"),
1683 _("A file already exists with this name"), _("&Overwrite"), _("&Cancel")))
1684 goto ret;
1685 }
1686 else
1687 {
1688 edit->stat1.st_mode |= S_IWUSR;
1689 }
1690 save_lock = lock_file (exp_vpath);
1691 }
1692 else
1693 {
1694 /* filenames equal, check if already locked */
1695 if (!edit->locked && !edit->delete_file)
1696 save_lock = lock_file (exp_vpath);
1697 }
1698
1699 if (different_filename)
1700 {
1701 /*
1702 * Allow user to write into saved (under another name) file
1703 * even if original file had r/o user permissions.
1704 */
1705 edit->stat1.st_mode |= S_IWRITE;
1706 }
1707
1708 rv = edit_save_file (edit, exp_vpath);
1709 switch (rv)
1710 {
1711 case 1:
1712 /* Succesful, so unlock both files */
1713 if (different_filename)
1714 {
1715 if (save_lock)
1716 unlock_file (exp_vpath);
1717 if (edit->locked)
1718 edit->locked = unlock_file (edit->filename_vpath);
1719 }
1720 else
1721 {
1722 if (edit->locked || save_lock)
1723 edit->locked = unlock_file (edit->filename_vpath);
1724 }
1725
1726 edit_set_filename (edit, exp_vpath);
1727 if (edit->lb != LB_ASIS)
1728 edit_reload (edit, exp_vpath);
1729 edit->modified = 0;
1730 edit->delete_file = 0;
1731 if (different_filename)
1732 edit_load_syntax (edit, NULL, edit->syntax_type);
1733 vfs_path_free (exp_vpath);
1734 edit->force |= REDRAW_COMPLETELY;
1735 return TRUE;
1736 default:
1737 edit_error_dialog (_("Save as"), get_sys_error (_("Cannot save file")));
1738 /* fallthrough */
1739 case -1:
1740 /* Failed, so maintain modify (not save) lock */
1741 if (save_lock)
1742 unlock_file (exp_vpath);
1743 break;
1744 }
1745 }
1746 }
1747
1748 ret:
1749 vfs_path_free (exp_vpath);
1750 edit->force |= REDRAW_COMPLETELY;
1751 return FALSE;
1752 }
1753
1754 /* {{{ Macro stuff starts here */
1755 /* --------------------------------------------------------------------------------------------- */
1756
1757 void
1758 edit_delete_macro_cmd (WEdit * edit)
1759 {
1760 int hotkey;
1761
1762 hotkey = editcmd_dialog_raw_key_query (_("Delete macro"), _("Press macro hotkey:"), TRUE);
1763
1764 if (hotkey != 0 && !edit_delete_macro (edit, hotkey))
1765 message (D_ERROR, _("Delete macro"), _("Macro not deleted"));
1766 }
1767
1768 /* --------------------------------------------------------------------------------------------- */
1769
1770 /** returns FALSE on error */
1771 gboolean
1772 edit_execute_macro (WEdit * edit, int hotkey)
1773 {
1774 gboolean res = FALSE;
1775
1776 if (hotkey != 0)
1777 {
1778 const macros_t *macros;
1779 guint indx;
1780
1781 if (edit_get_macro (edit, hotkey, &macros, &indx) &&
1782 macros->macro != NULL && macros->macro->len != 0)
1783 {
1784 guint i;
1785
1786 edit->force |= REDRAW_PAGE;
1787
1788 for (i = 0; i < macros->macro->len; i++)
1789 {
1790 const macro_action_t *m_act;
1791
1792 m_act = &g_array_index (macros->macro, struct macro_action_t, i);
1793 edit_execute_cmd (edit, m_act->action, m_act->ch);
1794 res = TRUE;
1795 }
1796 }
1797 }
1798
1799 return res;
1800 }
1801
1802 /* --------------------------------------------------------------------------------------------- */
1803
1804 /** returns FALSE on error */
1805 gboolean
1806 edit_store_macro_cmd (WEdit * edit)
1807 {
1808 int i;
1809 int hotkey;
1810 GString *marcros_string;
1811 mc_config_t *macros_config = NULL;
1812 const char *section_name = "editor";
1813 gchar *macros_fname;
1814 GArray *macros; /* current macro */
1815 int tmp_act;
1816 gboolean have_macro = FALSE;
1817 char *skeyname = NULL;
1818
1819 hotkey =
1820 editcmd_dialog_raw_key_query (_("Save macro"), _("Press the macro's new hotkey:"), TRUE);
1821 if (hotkey == ESC_CHAR)
1822 return FALSE;
1823
1824 tmp_act = keybind_lookup_keymap_command (editor_map, hotkey);
1825
1826 /* return FALSE if try assign macro into restricted hotkeys */
1827 if (tmp_act == CK_MacroStartRecord
1828 || tmp_act == CK_MacroStopRecord || tmp_act == CK_MacroStartStopRecord)
1829 return FALSE;
1830
1831 edit_delete_macro (edit, hotkey);
1832
1833 macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
1834 macros_config = mc_config_init (macros_fname, FALSE);
1835 g_free (macros_fname);
1836
1837 if (macros_config == NULL)
1838 return FALSE;
1839
1840 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1841
1842 marcros_string = g_string_sized_new (250);
1843 macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
1844
1845 skeyname = lookup_key_by_code (hotkey);
1846
1847 for (i = 0; i < macro_index; i++)
1848 {
1849 macro_action_t m_act;
1850 const char *action_name;
1851
1852 action_name = keybind_lookup_actionname (record_macro_buf[i].action);
1853
1854 if (action_name == NULL)
1855 break;
1856
1857 m_act.action = record_macro_buf[i].action;
1858 m_act.ch = record_macro_buf[i].ch;
1859 g_array_append_val (macros, m_act);
1860 have_macro = TRUE;
1861 g_string_append_printf (marcros_string, "%s:%i;", action_name,
1862 (int) record_macro_buf[i].ch);
1863 }
1864 if (have_macro)
1865 {
1866 macros_t macro;
1867 macro.hotkey = hotkey;
1868 macro.macro = macros;
1869 g_array_append_val (macros_list, macro);
1870 mc_config_set_string (macros_config, section_name, skeyname, marcros_string->str);
1871 }
1872 else
1873 mc_config_del_key (macros_config, section_name, skeyname);
1874
1875 g_free (skeyname);
1876 edit_macro_sort_by_hotkey ();
1877
1878 g_string_free (marcros_string, TRUE);
1879 mc_config_save_file (macros_config, NULL);
1880 mc_config_deinit (macros_config);
1881 return TRUE;
1882 }
1883
1884 /* --------------------------------------------------------------------------------------------- */
1885
1886 gboolean
1887 edit_repeat_macro_cmd (WEdit * edit)
1888 {
1889 int i, j;
1890 char *f;
1891 long count_repeat;
1892 char *error = NULL;
1893
1894 f = input_dialog (_("Repeat last commands"), _("Repeat times:"), MC_HISTORY_EDIT_REPEAT, NULL,
1895 INPUT_COMPLETE_NONE);
1896 if (f == NULL || *f == '\0')
1897 {
1898 g_free (f);
1899 return FALSE;
1900 }
1901
1902 count_repeat = strtol (f, &error, 0);
1903
1904 if (*error != '\0')
1905 {
1906 g_free (f);
1907 return FALSE;
1908 }
1909
1910 g_free (f);
1911
1912 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
1913 edit->force |= REDRAW_PAGE;
1914
1915 for (j = 0; j < count_repeat; j++)
1916 for (i = 0; i < macro_index; i++)
1917 edit_execute_cmd (edit, record_macro_buf[i].action, record_macro_buf[i].ch);
1918 edit_update_screen (edit);
1919 return TRUE;
1920 }
1921
1922 /* --------------------------------------------------------------------------------------------- */
1923 /** return FALSE on error */
1924
1925 gboolean
1926 edit_load_macro_cmd (WEdit * edit)
1927 {
1928 mc_config_t *macros_config = NULL;
1929 gchar **profile_keys, **keys;
1930 gchar **values, **curr_values;
1931 gsize len, values_len;
1932 const char *section_name = "editor";
1933 gchar *macros_fname;
1934 int hotkey;
1935
1936 (void) edit;
1937
1938 macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
1939 macros_config = mc_config_init (macros_fname, TRUE);
1940 g_free (macros_fname);
1941
1942 if (macros_config == NULL || macros_list == NULL || macros_list->len != 0)
1943 return FALSE;
1944
1945 profile_keys = keys = mc_config_get_keys (macros_config, section_name, &len);
1946 while (*profile_keys != NULL)
1947 {
1948 gboolean have_macro;
1949 GArray *macros;
1950 macros_t macro;
1951
1952 macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
1953
1954 curr_values = values = mc_config_get_string_list (macros_config, section_name,
1955 *profile_keys, &values_len);
1956 hotkey = lookup_key (*profile_keys, NULL);
1957 have_macro = FALSE;
1958
1959 while (*curr_values != NULL && *curr_values[0] != '\0')
1960 {
1961 char **macro_pair = NULL;
1962
1963 macro_pair = g_strsplit (*curr_values, ":", 2);
1964
1965 if (macro_pair != NULL)
1966 {
1967 macro_action_t m_act;
1968 if (macro_pair[0] == NULL || macro_pair[0][0] == '\0')
1969 m_act.action = 0;
1970 else
1971 {
1972 m_act.action = keybind_lookup_action (macro_pair[0]);
1973 g_free (macro_pair[0]);
1974 macro_pair[0] = NULL;
1975 }
1976 if (macro_pair[1] == NULL || macro_pair[1][0] == '\0')
1977 m_act.ch = -1;
1978 else
1979 {
1980 m_act.ch = strtol (macro_pair[1], NULL, 0);
1981 g_free (macro_pair[1]);
1982 macro_pair[1] = NULL;
1983 }
1984 if (m_act.action != 0)
1985 {
1986 /* a shell command */
1987 if ((m_act.action / CK_PipeBlock (0)) == 1)
1988 {
1989 m_act.action = CK_PipeBlock (0) + (m_act.ch > 0 ? m_act.ch : 0);
1990 m_act.ch = -1;
1991 }
1992 g_array_append_val (macros, m_act);
1993 have_macro = TRUE;
1994 }
1995 g_strfreev (macro_pair);
1996 macro_pair = NULL;
1997 }
1998 curr_values++;
1999 }
2000 if (have_macro)
2001 {
2002 macro.hotkey = hotkey;
2003 macro.macro = macros;
2004 g_array_append_val (macros_list, macro);
2005 }
2006 profile_keys++;
2007 g_strfreev (values);
2008 }
2009 g_strfreev (keys);
2010 mc_config_deinit (macros_config);
2011 edit_macro_sort_by_hotkey ();
2012 return TRUE;
2013 }
2014
2015 /* }}} Macro stuff end here */
2016
2017 /* --------------------------------------------------------------------------------------------- */
2018 /** returns TRUE on success */
2019
2020 gboolean
2021 edit_save_confirm_cmd (WEdit * edit)
2022 {
2023 char *f = NULL;
2024
2025 if (edit->filename_vpath == NULL)
2026 return edit_save_as_cmd (edit);
2027
2028 if (!edit_check_newline (edit))
2029 return FALSE;
2030
2031 if (edit_confirm_save)
2032 {
2033 char *filename;
2034 gboolean ok;
2035
2036 filename = vfs_path_to_str (edit->filename_vpath);
2037 f = g_strdup_printf (_("Confirm save file: \"%s\""), filename);
2038 g_free (filename);
2039 ok = (edit_query_dialog2 (_("Save file"), f, _("&Save"), _("&Cancel")) == 0);
2040 g_free (f);
2041 if (!ok)
2042 return FALSE;
2043 }
2044 return edit_save_cmd (edit);
2045 }
2046
2047 /* --------------------------------------------------------------------------------------------- */
2048 /**
2049 * Ask file to edit and load it.
2050 *
2051 * @return TRUE on success or cancel of ask.
2052 */
2053
2054 gboolean
2055 edit_load_cmd (WDialog * h)
2056 {
2057 char *exp;
2058 gboolean ret = TRUE; /* possible cancel */
2059
2060 exp = input_expand_dialog (_("Load"), _("Enter file name:"),
2061 MC_HISTORY_EDIT_LOAD, INPUT_LAST_TEXT,
2062 INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_CD);
2063
2064 if (exp != NULL && *exp != '\0')
2065 {
2066 vfs_path_t *exp_vpath;
2067
2068 exp_vpath = vfs_path_from_str (exp);
2069 ret = edit_load_file_from_filename (h, exp_vpath);
2070 vfs_path_free (exp_vpath);
2071 }
2072
2073 g_free (exp);
2074
2075 return ret;
2076 }
2077
2078 /* --------------------------------------------------------------------------------------------- */
2079 /**
2080 * Load syntax file to edit.
2081 *
2082 * @return TRUE on success
2083 */
2084
2085 gboolean
2086 edit_load_syntax_file (WDialog * h)
2087 {
2088 vfs_path_t *extdir_vpath;
2089 int dir = 0;
2090 gboolean ret = FALSE;
2091
2092 if (geteuid () == 0)
2093 dir = query_dialog (_("Syntax file edit"),
2094 _("Which syntax file you want to edit?"), D_NORMAL, 2,
2095 _("&User"), _("&System wide"));
2096
2097 extdir_vpath =
2098 vfs_path_build_filename (mc_global.sysconfig_dir, "syntax", "Syntax", (char *) NULL);
2099 if (!exist_file (vfs_path_get_last_path_str (extdir_vpath)))
2100 {
2101 vfs_path_free (extdir_vpath);
2102 extdir_vpath =
2103 vfs_path_build_filename (mc_global.share_data_dir, "syntax", "Syntax", (char *) NULL);
2104 }
2105
2106 if (dir == 0)
2107 {
2108 vfs_path_t *user_syntax_file_vpath;
2109
2110 user_syntax_file_vpath = mc_config_get_full_vpath (EDIT_SYNTAX_FILE);
2111 check_for_default (extdir_vpath, user_syntax_file_vpath);
2112 ret = edit_load_file_from_filename (h, user_syntax_file_vpath);
2113 vfs_path_free (user_syntax_file_vpath);
2114 }
2115 else if (dir == 1)
2116 ret = edit_load_file_from_filename (h, extdir_vpath);
2117
2118 vfs_path_free (extdir_vpath);
2119
2120 return ret;
2121 }
2122
2123 /* --------------------------------------------------------------------------------------------- */
2124 /**
2125 * Load menu file to edit.
2126 *
2127 * @return TRUE on success
2128 */
2129
2130 gboolean
2131 edit_load_menu_file (WDialog * h)
2132 {
2133 vfs_path_t *buffer_vpath;
2134 vfs_path_t *menufile_vpath;
2135 int dir;
2136 gboolean ret;
2137
2138 dir = query_dialog (_("Menu edit"),
2139 _("Which menu file do you want to edit?"), D_NORMAL,
2140 geteuid () != 0 ? 2 : 3, _("&Local"), _("&User"), _("&System wide"));
2141
2142 menufile_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU, NULL);
2143 if (!exist_file (vfs_path_get_last_path_str (menufile_vpath)))
2144 {
2145 vfs_path_free (menufile_vpath);
2146 menufile_vpath = vfs_path_build_filename (mc_global.share_data_dir, EDIT_GLOBAL_MENU, NULL);
2147 }
2148
2149 switch (dir)
2150 {
2151 case 0:
2152 buffer_vpath = vfs_path_from_str (EDIT_LOCAL_MENU);
2153 check_for_default (menufile_vpath, buffer_vpath);
2154 chmod (vfs_path_get_last_path_str (buffer_vpath), 0600);
2155 break;
2156
2157 case 1:
2158 buffer_vpath = mc_config_get_full_vpath (EDIT_HOME_MENU);
2159 check_for_default (menufile_vpath, buffer_vpath);
2160 break;
2161
2162 case 2:
2163 buffer_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU, NULL);
2164 if (!exist_file (vfs_path_get_last_path_str (buffer_vpath)))
2165 {
2166 vfs_path_free (buffer_vpath);
2167 buffer_vpath =
2168 vfs_path_build_filename (mc_global.share_data_dir, EDIT_GLOBAL_MENU, NULL);
2169 }
2170 break;
2171
2172 default:
2173 vfs_path_free (menufile_vpath);
2174 return FALSE;
2175 }
2176
2177 ret = edit_load_file_from_filename (h, buffer_vpath);
2178
2179 vfs_path_free (buffer_vpath);
2180 vfs_path_free (menufile_vpath);
2181
2182 return ret;
2183 }
2184
2185 /* --------------------------------------------------------------------------------------------- */
2186 /**
2187 * Close window with opened file.
2188 *
2189 * @return TRUE if file was closed.
2190 */
2191
2192 gboolean
2193 edit_close_cmd (WEdit * edit)
2194 {
2195 gboolean ret;
2196
2197 ret = (edit != NULL) && edit_ok_to_exit (edit);
2198
2199 if (ret)
2200 {
2201 WDialog *h = WIDGET (edit)->owner;
2202
2203 if (edit->locked != 0)
2204 unlock_file (edit->filename_vpath);
2205
2206 del_widget (edit);
2207
2208 if (edit_widget_is_editor (WIDGET (h->current->data)))
2209 edit = (WEdit *) h->current->data;
2210 else
2211 {
2212 edit = find_editor (h);
2213 if (edit != NULL)
2214 dlg_set_top_widget (edit);
2215 }
2216 }
2217
2218 if (edit != NULL)
2219 edit->force |= REDRAW_COMPLETELY;
2220
2221 return ret;
2222 }
2223
2224 /* --------------------------------------------------------------------------------------------- */
2225 /**
2226 if mark2 is -1 then marking is from mark1 to the cursor.
2227 Otherwise its between the markers. This handles this.
2228 Returns 1 if no text is marked.
2229 */
2230
2231 int
2232 eval_marks (WEdit * edit, off_t * start_mark, off_t * end_mark)
2233 {
2234 if (edit->mark1 != edit->mark2)
2235 {
2236 off_t start_bol, start_eol;
2237 off_t end_bol, end_eol;
2238 off_t diff1, diff2;
2239 long col1, col2;
2240 long end_mark_curs;
2241
2242 if (edit->end_mark_curs < 0)
2243 end_mark_curs = edit->curs1;
2244 else
2245 end_mark_curs = edit->end_mark_curs;
2246
2247 if (edit->mark2 >= 0)
2248 {
2249 *start_mark = min (edit->mark1, edit->mark2);
2250 *end_mark = max (edit->mark1, edit->mark2);
2251 }
2252 else
2253 {
2254 *start_mark = min (edit->mark1, end_mark_curs);
2255 *end_mark = max (edit->mark1, end_mark_curs);
2256 edit->column2 = edit->curs_col + edit->over_col;
2257 }
2258
2259 if (edit->column_highlight
2260 && (((edit->mark1 > end_mark_curs) && (edit->column1 < edit->column2))
2261 || ((edit->mark1 < end_mark_curs) && (edit->column1 > edit->column2))))
2262 {
2263 start_bol = edit_bol (edit, *start_mark);
2264 start_eol = edit_eol (edit, start_bol - 1) + 1;
2265 end_bol = edit_bol (edit, *end_mark);
2266 end_eol = edit_eol (edit, *end_mark);
2267 col1 = min (edit->column1, edit->column2);
2268 col2 = max (edit->column1, edit->column2);
2269
2270 diff1 = edit_move_forward3 (edit, start_bol, col2, 0) -
2271 edit_move_forward3 (edit, start_bol, col1, 0);
2272 diff2 = edit_move_forward3 (edit, end_bol, col2, 0) -
2273 edit_move_forward3 (edit, end_bol, col1, 0);
2274
2275 *start_mark -= diff1;
2276 *end_mark += diff2;
2277 *start_mark = max (*start_mark, start_eol);
2278 *end_mark = min (*end_mark, end_eol);
2279 }
2280 return 0;
2281 }
2282 else
2283 {
2284 *start_mark = *end_mark = 0;
2285 edit->column2 = edit->column1 = 0;
2286 return 1;
2287 }
2288 }
2289
2290 /* --------------------------------------------------------------------------------------------- */
2291
2292 void
2293 edit_block_copy_cmd (WEdit * edit)
2294 {
2295 off_t start_mark, end_mark, current = edit->curs1;
2296 long col_delta = 0;
2297 off_t mark1, mark2;
2298 long c1, c2;
2299 off_t size;
2300 unsigned char *copy_buf;
2301
2302 edit_update_curs_col (edit);
2303 if (eval_marks (edit, &start_mark, &end_mark))
2304 return;
2305
2306 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
2307
2308 /* all that gets pushed are deletes hence little space is used on the stack */
2309
2310 edit_push_markers (edit);
2311
2312 if (edit->column_highlight)
2313 {
2314 col_delta = abs (edit->column2 - edit->column1);
2315 edit_insert_column_of_text (edit, copy_buf, size, col_delta, &mark1, &mark2, &c1, &c2);
2316 }
2317 else
2318 {
2319 int size_orig = size;
2320
2321 while (size-- != 0)
2322 edit_insert_ahead (edit, copy_buf[size]);
2323
2324 /* Place cursor at the end of text selection */
2325 if (option_cursor_after_inserted_block)
2326 edit_cursor_move (edit, size_orig);
2327 }
2328
2329 g_free (copy_buf);
2330 edit_scroll_screen_over_cursor (edit);
2331
2332 if (edit->column_highlight)
2333 edit_set_markers (edit, edit->curs1, mark2, c1, c2);
2334 else if (start_mark < current && end_mark > current)
2335 edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0);
2336
2337 edit->force |= REDRAW_PAGE;
2338 }
2339
2340
2341 /* --------------------------------------------------------------------------------------------- */
2342
2343 void
2344 edit_block_move_cmd (WEdit * edit)
2345 {
2346 off_t current;
2347 unsigned char *copy_buf = NULL;
2348 off_t start_mark, end_mark;
2349
2350 if (eval_marks (edit, &start_mark, &end_mark))
2351 return;
2352
2353 if (!edit->column_highlight && edit->curs1 > start_mark && edit->curs1 < end_mark)
2354 return;
2355
2356 if (edit->mark2 < 0)
2357 edit_mark_cmd (edit, FALSE);
2358 edit_push_markers (edit);
2359
2360 if (edit->column_highlight)
2361 {
2362 off_t mark1, mark2;
2363 off_t size;
2364 long c1, c2, b_width;
2365 long x, x2;
2366
2367 c1 = min (edit->column1, edit->column2);
2368 c2 = max (edit->column1, edit->column2);
2369 b_width = c2 - c1;
2370
2371 edit_update_curs_col (edit);
2372
2373 x = edit->curs_col;
2374 x2 = x + edit->over_col;
2375
2376 /* do nothing when cursor inside first line of selected area */
2377 if ((edit_eol (edit, edit->curs1) == edit_eol (edit, start_mark)) && x2 > c1 && x2 <= c2)
2378 return;
2379
2380 if (edit->curs1 > start_mark && edit->curs1 < edit_eol (edit, end_mark))
2381 {
2382 if (x > c2)
2383 x -= b_width;
2384 else if (x > c1 && x <= c2)
2385 x = c1;
2386 }
2387 /* save current selection into buffer */
2388 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
2389
2390 /* remove current selection */
2391 edit_block_delete_cmd (edit);
2392
2393 edit->over_col = max (0, edit->over_col - b_width);
2394 /* calculate the cursor pos after delete block */
2395 current = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0);
2396 edit_cursor_move (edit, current - edit->curs1);
2397 edit_scroll_screen_over_cursor (edit);
2398
2399 /* add TWS if need before block insertion */
2400 if (option_cursor_beyond_eol && edit->over_col > 0)
2401 edit_insert_over (edit);
2402
2403 edit_insert_column_of_text (edit, copy_buf, size, b_width, &mark1, &mark2, &c1, &c2);
2404 edit_set_markers (edit, mark1, mark2, c1, c2);
2405 }
2406 else
2407 {
2408 off_t count, count_orig;
2409
2410 current = edit->curs1;
2411 copy_buf = g_malloc0 (end_mark - start_mark);
2412 edit_cursor_move (edit, start_mark - edit->curs1);
2413 edit_scroll_screen_over_cursor (edit);
2414
2415 for (count = start_mark; count < end_mark; count++)
2416 copy_buf[end_mark - count - 1] = edit_delete (edit, TRUE);
2417
2418 edit_scroll_screen_over_cursor (edit);
2419 edit_cursor_move (edit,
2420 current - edit->curs1 -
2421 (((current - edit->curs1) > 0) ? end_mark - start_mark : 0));
2422 edit_scroll_screen_over_cursor (edit);
2423 count_orig = count;
2424 while (count-- > start_mark)
2425 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
2426
2427 edit_set_markers (edit, edit->curs1, edit->curs1 + end_mark - start_mark, 0, 0);
2428
2429 /* Place cursor at the end of text selection */
2430 if (option_cursor_after_inserted_block)
2431 edit_cursor_move (edit, count_orig - start_mark);
2432 }
2433
2434 edit_scroll_screen_over_cursor (edit);
2435 g_free (copy_buf);
2436 edit->force |= REDRAW_PAGE;
2437 }
2438
2439 /* --------------------------------------------------------------------------------------------- */
2440 /** returns 1 if canceelled by user */
2441
2442 int
2443 edit_block_delete_cmd (WEdit * edit)
2444 {
2445 off_t start_mark, end_mark;
2446 if (eval_marks (edit, &start_mark, &end_mark))
2447 {
2448 edit_delete_line (edit);
2449 return 0;
2450 }
2451 return edit_block_delete (edit);
2452 }
2453
2454 /* --------------------------------------------------------------------------------------------- */
2455 /** call with edit = 0 before shutdown to close memory leaks */
2456
2457 void
2458 edit_replace_cmd (WEdit * edit, int again)
2459 {
2460 /* 1 = search string, 2 = replace with */
2461 static char *saved1 = NULL; /* saved default[123] */
2462 static char *saved2 = NULL;
2463 char *input1 = NULL; /* user input from the dialog */
2464 char *input2 = NULL;
2465 GString *input2_str = NULL;
2466 char *disp1 = NULL;
2467 char *disp2 = NULL;
2468 long times_replaced = 0;
2469 gboolean once_found = FALSE;
2470
2471 if (!edit)
2472 {
2473 g_free (saved1), saved1 = NULL;
2474 g_free (saved2), saved2 = NULL;
2475 return;
2476 }
2477
2478 edit->force |= REDRAW_COMPLETELY;
2479
2480 if (again && !saved1 && !saved2)
2481 again = 0;
2482
2483 if (again)
2484 {
2485 input1 = g_strdup (saved1 ? saved1 : "");
2486 input2 = g_strdup (saved2 ? saved2 : "");
2487 }
2488 else
2489 {
2490 char *tmp_inp1, *tmp_inp2;
2491
2492 disp1 = edit_replace_cmd__conv_to_display (saved1 ? saved1 : (char *) "");
2493 disp2 = edit_replace_cmd__conv_to_display (saved2 ? saved2 : (char *) "");
2494
2495 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
2496
2497 editcmd_dialog_replace_show (edit, disp1, disp2, &input1, &input2);
2498
2499 g_free (disp1);
2500 g_free (disp2);
2501
2502 if (input1 == NULL || *input1 == '\0')
2503 {
2504 edit->force = REDRAW_COMPLETELY;
2505 goto cleanup;
2506 }
2507
2508 tmp_inp1 = input1;
2509 tmp_inp2 = input2;
2510 input1 = edit_replace_cmd__conv_to_input (input1);
2511 input2 = edit_replace_cmd__conv_to_input (input2);
2512 g_free (tmp_inp1);
2513 g_free (tmp_inp2);
2514
2515 g_free (saved1), saved1 = g_strdup (input1);
2516 g_free (saved2), saved2 = g_strdup (input2);
2517
2518 mc_search_free (edit->search);
2519 edit->search = NULL;
2520 }
2521
2522 input2_str = g_string_new (input2);
2523
2524 if (!edit->search)
2525 {
2526 edit->search = mc_search_new (input1, -1);
2527 if (edit->search == NULL)
2528 {
2529 edit->search_start = edit->curs1;
2530 goto cleanup;
2531 }
2532 edit->search->search_type = edit_search_options.type;
2533 edit->search->is_all_charsets = edit_search_options.all_codepages;
2534 edit->search->is_case_sensitive = edit_search_options.case_sens;
2535 edit->search->whole_words = edit_search_options.whole_words;
2536 edit->search->search_fn = edit_search_cmd_callback;
2537 edit->search_line_type = edit_get_search_line_type (edit->search);
2538 edit_search_fix_search_start_if_selection (edit);
2539 }
2540
2541 if (edit->found_len && edit->search_start == edit->found_start + 1
2542 && edit_search_options.backwards)
2543 edit->search_start--;
2544
2545 if (edit->found_len && edit->search_start == edit->found_start - 1
2546 && !edit_search_options.backwards)
2547 edit->search_start++;
2548
2549 do
2550 {
2551 gsize len = 0;
2552
2553 if (!editcmd_find (edit, &len))
2554 {
2555 if (!(edit->search->error == MC_SEARCH_E_OK ||
2556 (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND)))
2557 {
2558 edit_error_dialog (_("Search"), edit->search->error_str);
2559 }
2560 break;
2561 }
2562 once_found = TRUE;
2563
2564 edit->search_start = edit->search->normal_offset;
2565 /*returns negative on not found or error in pattern */
2566
2567 if ((edit->search_start >= 0) && (edit->search_start < edit->last_byte))
2568 {
2569 gsize i;
2570 GString *repl_str;
2571
2572 edit->found_start = edit->search_start;
2573 i = edit->found_len = len;
2574
2575 edit_cursor_move (edit, edit->search_start - edit->curs1);
2576 edit_scroll_screen_over_cursor (edit);
2577
2578 if (edit->replace_mode == 0)
2579 {
2580 long l;
2581 int prompt;
2582
2583 l = edit->curs_row - WIDGET (edit)->lines / 3;
2584 if (l > 0)
2585 edit_scroll_downward (edit, l);
2586 if (l < 0)
2587 edit_scroll_upward (edit, -l);
2588
2589 edit_scroll_screen_over_cursor (edit);
2590 edit->force |= REDRAW_PAGE;
2591 edit_render_keypress (edit);
2592
2593 /*so that undo stops at each query */
2594 edit_push_key_press (edit);
2595 /* and prompt 2/3 down */
2596 disp1 = edit_replace_cmd__conv_to_display (saved1);
2597 disp2 = edit_replace_cmd__conv_to_display (saved2);
2598 prompt = editcmd_dialog_replace_prompt_show (edit, disp1, disp2, -1, -1);
2599 g_free (disp1);
2600 g_free (disp2);
2601
2602 if (prompt == B_REPLACE_ALL)
2603 edit->replace_mode = 1;
2604 else if (prompt == B_SKIP_REPLACE)
2605 {
2606 if (edit_search_options.backwards)
2607 edit->search_start--;
2608 else
2609 edit->search_start++;
2610 continue; /* loop */
2611 }
2612 else if (prompt == B_CANCEL)
2613 {
2614 edit->replace_mode = -1;
2615 break; /* loop */
2616 }
2617 }
2618
2619 repl_str = mc_search_prepare_replace_str (edit->search, input2_str);
2620
2621 if (edit->search->error != MC_SEARCH_E_OK)
2622 {
2623 edit_error_dialog (_("Replace"), edit->search->error_str);
2624 g_string_free (repl_str, TRUE);
2625 break;
2626 }
2627
2628 /* delete then insert new */
2629 for (i = 0; i < len; i++)
2630 edit_delete (edit, TRUE);
2631
2632 for (i = 0; i < repl_str->len; i++)
2633 edit_insert (edit, repl_str->str[i]);
2634
2635 edit->found_len = repl_str->len;
2636 g_string_free (repl_str, TRUE);
2637 times_replaced++;
2638
2639 /* so that we don't find the same string again */
2640 if (edit_search_options.backwards)
2641 {
2642 edit->search_start--;
2643 }
2644 else
2645 {
2646 edit->search_start += edit->found_len + (len == 0 ? 1 : 0);
2647
2648 if (edit->search_start >= edit->last_byte)
2649 break;
2650 }
2651
2652 edit_scroll_screen_over_cursor (edit);
2653 }
2654 else
2655 {
2656 /* try and find from right here for next search */
2657 edit->search_start = edit->curs1;
2658 edit_update_curs_col (edit);
2659
2660 edit->force |= REDRAW_PAGE;
2661 edit_render_keypress (edit);
2662
2663 if (times_replaced == 0)
2664 query_dialog (_("Replace"), _("Search string not found"), D_NORMAL, 1, _("&OK"));
2665 break;
2666 }
2667 }
2668 while (edit->replace_mode >= 0);
2669
2670 edit_scroll_screen_over_cursor (edit);
2671 edit->force |= REDRAW_COMPLETELY;
2672 edit_render_keypress (edit);
2673
2674 if ((edit->replace_mode == 1) && (times_replaced != 0))
2675 message (D_NORMAL, _("Replace"), _("%ld replacements made"), times_replaced);
2676
2677 cleanup:
2678 g_free (input1);
2679 g_free (input2);
2680 if (input2_str != NULL)
2681 g_string_free (input2_str, TRUE);
2682 }
2683
2684 /* --------------------------------------------------------------------------------------------- */
2685
2686 mc_search_cbret_t
2687 edit_search_cmd_callback (const void *user_data, gsize char_offset, int *current_char)
2688 {
2689 *current_char = edit_get_byte ((WEdit *) user_data, (off_t) char_offset);
2690 return MC_SEARCH_CB_OK;
2691 }
2692
2693 /* --------------------------------------------------------------------------------------------- */
2694
2695 void
2696 edit_search_cmd (WEdit * edit, gboolean again)
2697 {
2698
2699 if (edit == NULL)
2700 return;
2701
2702 if (!again)
2703 edit_search (edit);
2704 else if (edit->last_search_string != NULL)
2705 edit_do_search (edit);
2706 else
2707 {
2708 /* find last search string in history */
2709 GList *history;
2710
2711 history = history_get (MC_HISTORY_SHARED_SEARCH);
2712 if (history != NULL && history->data != NULL)
2713 {
2714 edit->last_search_string = (char *) history->data;
2715 history->data = NULL;
2716 history = g_list_first (history);
2717 g_list_foreach (history, (GFunc) g_free, NULL);
2718 g_list_free (history);
2719
2720 edit->search = mc_search_new (edit->last_search_string, -1);
2721 if (edit->search == NULL)
2722 {
2723 /* if not... then ask for an expression */
2724 g_free (edit->last_search_string);
2725 edit->last_search_string = NULL;
2726 edit_search (edit);
2727 }
2728 else
2729 {
2730 edit->search->search_type = edit_search_options.type;
2731 edit->search->is_all_charsets = edit_search_options.all_codepages;
2732 edit->search->is_case_sensitive = edit_search_options.case_sens;
2733 edit->search->whole_words = edit_search_options.whole_words;
2734 edit->search->search_fn = edit_search_cmd_callback;
2735 edit->search_line_type = edit_get_search_line_type (edit->search);
2736 edit_do_search (edit);
2737 }
2738 }
2739 else
2740 {
2741 /* if not... then ask for an expression */
2742 g_free (edit->last_search_string);
2743 edit->last_search_string = NULL;
2744 edit_search (edit);
2745 }
2746 }
2747 }
2748
2749
2750 /* --------------------------------------------------------------------------------------------- */
2751 /**
2752 * Check if it's OK to close the file. If there are unsaved changes, ask user.
2753 *
2754 * @return TRUE if it's OK to exit, FALSE to continue editing.
2755 */
2756
2757 gboolean
2758 edit_ok_to_exit (WEdit * edit)
2759 {
2760 char *fname = (char *) N_("[NoName]");
2761 char *msg;
2762 int act;
2763
2764 if (!edit->modified)
2765 return TRUE;
2766
2767 if (edit->filename_vpath != NULL)
2768 fname = vfs_path_to_str (edit->filename_vpath);
2769 #ifdef ENABLE_NLS
2770 else
2771 fname = g_strdup (_(fname));
2772 #else
2773 else
2774 fname = g_strdup (fname);
2775 #endif
2776
2777 if (!mc_global.midnight_shutdown)
2778 {
2779 if (!edit_check_newline (edit))
2780 {
2781 g_free (fname);
2782 return FALSE;
2783 }
2784
2785 query_set_sel (2);
2786
2787 msg = g_strdup_printf (_("File %s was modified.\nSave before close?"), fname);
2788 act = edit_query_dialog3 (_("Close file"), msg, _("&Yes"), _("&No"), _("&Cancel"));
2789 }
2790 else
2791 {
2792 msg = g_strdup_printf (_("Midnight Commander is being shut down.\nSave modified file %s?"),
2793 fname);
2794 act = edit_query_dialog2 (_("Quit"), msg, _("&Yes"), _("&No"));
2795
2796 /* Esc is No */
2797 if (act == -1)
2798 act = 1;
2799 }
2800
2801 g_free (msg);
2802 g_free (fname);
2803
2804 switch (act)
2805 {
2806 case 0: /* Yes */
2807 edit_push_markers (edit);
2808 edit_set_markers (edit, 0, 0, 0, 0);
2809 if (!edit_save_cmd (edit) || mc_global.midnight_shutdown)
2810 return mc_global.midnight_shutdown;
2811 break;
2812 case 1: /* No */
2813 break;
2814 case 2: /* Cancel quit */
2815 case -1: /* Esc */
2816 return FALSE;
2817 }
2818
2819 return TRUE;
2820 }
2821
2822 /* --------------------------------------------------------------------------------------------- */
2823 /** save block, returns TRUE on success */
2824
2825 gboolean
2826 edit_save_block (WEdit * edit, const char *filename, off_t start, off_t finish)
2827 {
2828 int file;
2829 off_t len = 1;
2830 vfs_path_t *vpath;
2831
2832 vpath = vfs_path_from_str (filename);
2833 file = mc_open (vpath, O_CREAT | O_WRONLY | O_TRUNC,
2834 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY);
2835 vfs_path_free (vpath);
2836 if (file == -1)
2837 return FALSE;
2838
2839 if (edit->column_highlight)
2840 {
2841 int r;
2842
2843 r = mc_write (file, VERTICAL_MAGIC, sizeof (VERTICAL_MAGIC));
2844 if (r > 0)
2845 {
2846 unsigned char *block, *p;
2847
2848 p = block = edit_get_block (edit, start, finish, &len);
2849 while (len)
2850 {
2851 r = mc_write (file, p, len);
2852 if (r < 0)
2853 break;
2854 p += r;
2855 len -= r;
2856 }
2857 g_free (block);
2858 }
2859 }
2860 else
2861 {
2862 unsigned char *buf;
2863 off_t i = start;
2864 off_t end;
2865
2866 len = finish - start;
2867 buf = g_malloc0 (TEMP_BUF_LEN);
2868 while (start != finish)
2869 {
2870 end = min (finish, start + TEMP_BUF_LEN);
2871 for (; i < end; i++)
2872 buf[i - start] = edit_get_byte (edit, i);
2873 len -= mc_write (file, (char *) buf, end - start);
2874 start = end;
2875 }
2876 g_free (buf);
2877 }
2878 mc_close (file);
2879
2880 return (len == 0);
2881 }
2882
2883 /* --------------------------------------------------------------------------------------------- */
2884
2885 void
2886 edit_paste_from_history (WEdit * edit)
2887 {
2888 (void) edit;
2889 edit_error_dialog (_("Error"), _("This function is not implemented"));
2890 }
2891
2892 /* --------------------------------------------------------------------------------------------- */
2893
2894 gboolean
2895 edit_copy_to_X_buf_cmd (WEdit * edit)
2896 {
2897 off_t start_mark, end_mark;
2898
2899 if (eval_marks (edit, &start_mark, &end_mark))
2900 return TRUE;
2901 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark))
2902 {
2903 edit_error_dialog (_("Copy to clipboard"), get_sys_error (_("Unable to save to file")));
2904 return FALSE;
2905 }
2906 /* try use external clipboard utility */
2907 mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
2908
2909 return TRUE;
2910 }
2911
2912 /* --------------------------------------------------------------------------------------------- */
2913
2914 gboolean
2915 edit_cut_to_X_buf_cmd (WEdit * edit)
2916 {
2917 off_t start_mark, end_mark;
2918
2919 if (eval_marks (edit, &start_mark, &end_mark))
2920 return TRUE;
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 FALSE;
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
2932 return TRUE;
2933 }
2934
2935 /* --------------------------------------------------------------------------------------------- */
2936
2937 gboolean
2938 edit_paste_from_X_buf_cmd (WEdit * edit)
2939 {
2940 vfs_path_t *tmp;
2941 gboolean ret;
2942
2943 /* try use external clipboard utility */
2944 mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_from_ext_clip", NULL);
2945 tmp = mc_config_get_full_vpath (EDIT_CLIP_FILE);
2946 ret = (edit_insert_file (edit, tmp) >= 0);
2947 vfs_path_free (tmp);
2948
2949 return ret;
2950 }
2951
2952 /* --------------------------------------------------------------------------------------------- */
2953 /**
2954 * Ask user for the line and go to that line.
2955 * Negative numbers mean line from the end (i.e. -1 is the last line).
2956 */
2957
2958 void
2959 edit_goto_cmd (WEdit * edit)
2960 {
2961 char *f;
2962 static long line = 0; /* line as typed, saved as default */
2963 long l;
2964 char *error;
2965 char s[32];
2966
2967 g_snprintf (s, sizeof (s), "%ld", line);
2968 f = input_dialog (_("Goto line"), _("Enter line:"), MC_HISTORY_EDIT_GOTO_LINE, line ? s : "",
2969 INPUT_COMPLETE_NONE);
2970 if (!f)
2971 return;
2972
2973 if (!*f)
2974 {
2975 g_free (f);
2976 return;
2977 }
2978
2979 l = strtol (f, &error, 0);
2980 if (*error)
2981 {
2982 g_free (f);
2983 return;
2984 }
2985
2986 line = l;
2987 if (l < 0)
2988 l = edit->total_lines + l + 2;
2989 edit_move_display (edit, l - WIDGET (edit)->lines / 2 - 1);
2990 edit_move_to_line (edit, l - 1);
2991 edit->force |= REDRAW_COMPLETELY;
2992 g_free (f);
2993 }
2994
2995
2996 /* --------------------------------------------------------------------------------------------- */
2997 /** Return TRUE on success */
2998
2999 gboolean
3000 edit_save_block_cmd (WEdit * edit)
3001 {
3002 off_t start_mark, end_mark;
3003 char *exp, *tmp;
3004 gboolean ret = FALSE;
3005
3006 if (eval_marks (edit, &start_mark, &end_mark))
3007 return TRUE;
3008
3009 tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
3010 exp =
3011 input_expand_dialog (_("Save block"), _("Enter file name:"),
3012 MC_HISTORY_EDIT_SAVE_BLOCK, tmp, INPUT_COMPLETE_FILENAMES);
3013 g_free (tmp);
3014 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
3015
3016 if (exp != NULL && *exp != '\0')
3017 {
3018 if (edit_save_block (edit, exp, start_mark, end_mark))
3019 ret = TRUE;
3020 else
3021 edit_error_dialog (_("Save block"), get_sys_error (_("Cannot save file")));
3022
3023 edit->force |= REDRAW_COMPLETELY;
3024 }
3025
3026 g_free (exp);
3027
3028 return ret;
3029 }
3030
3031
3032 /* --------------------------------------------------------------------------------------------- */
3033
3034 /** returns TRUE on success */
3035 gboolean
3036 edit_insert_file_cmd (WEdit * edit)
3037 {
3038 char *tmp;
3039 char *exp;
3040 gboolean ret = FALSE;
3041
3042 tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
3043 exp = input_expand_dialog (_("Insert file"), _("Enter file name:"),
3044 MC_HISTORY_EDIT_INSERT_FILE, tmp, INPUT_COMPLETE_FILENAMES);
3045 g_free (tmp);
3046
3047 edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
3048
3049 if (exp != NULL && *exp != '\0')
3050 {
3051 vfs_path_t *exp_vpath;
3052
3053 exp_vpath = vfs_path_from_str (exp);
3054 ret = (edit_insert_file (edit, exp_vpath) >= 0);
3055 vfs_path_free (exp_vpath);
3056
3057 if (!ret)
3058 edit_error_dialog (_("Insert file"), get_sys_error (_("Cannot insert file")));
3059 }
3060
3061 g_free (exp);
3062
3063 edit->force |= REDRAW_COMPLETELY;
3064 return ret;
3065 }
3066
3067 /* --------------------------------------------------------------------------------------------- */
3068 /** sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
3069
3070 int
3071 edit_sort_cmd (WEdit * edit)
3072 {
3073 static char *old = 0;
3074 char *exp, *tmp, *tmp_edit_block_name, *tmp_edit_temp_name;
3075 off_t start_mark, end_mark;
3076 int e;
3077
3078 if (eval_marks (edit, &start_mark, &end_mark))
3079 {
3080 edit_error_dialog (_("Sort block"), _("You must first highlight a block of text"));
3081 return 0;
3082 }
3083
3084 tmp = mc_config_get_full_path (EDIT_BLOCK_FILE);
3085 edit_save_block (edit, tmp, start_mark, end_mark);
3086 g_free (tmp);
3087
3088 exp = input_dialog (_("Run sort"),
3089 _("Enter sort options (see manpage) separated by whitespace:"),
3090 MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "", INPUT_COMPLETE_NONE);
3091
3092 if (!exp)
3093 return 1;
3094 g_free (old);
3095 old = exp;
3096 tmp_edit_block_name = mc_config_get_full_path (EDIT_BLOCK_FILE);
3097 tmp_edit_temp_name = mc_config_get_full_path (EDIT_TEMP_FILE);
3098 tmp =
3099 g_strconcat (" sort ", exp, " ", tmp_edit_block_name,
3100 " > ", tmp_edit_temp_name, (char *) NULL);
3101 g_free (tmp_edit_temp_name);
3102 g_free (tmp_edit_block_name);
3103
3104 e = system (tmp);
3105 g_free (tmp);
3106 if (e)
3107 {
3108 if (e == -1 || e == 127)
3109 {
3110 edit_error_dialog (_("Sort"), get_sys_error (_("Cannot execute sort command")));
3111 }
3112 else
3113 {
3114 char q[8];
3115 sprintf (q, "%d ", e);
3116 tmp = g_strdup_printf (_("Sort returned non-zero: %s"), q);
3117 edit_error_dialog (_("Sort"), tmp);
3118 g_free (tmp);
3119 }
3120 return -1;
3121 }
3122
3123 edit->force |= REDRAW_COMPLETELY;
3124
3125 if (edit_block_delete_cmd (edit))
3126 return 1;
3127
3128 {
3129 vfs_path_t *tmp_vpath;
3130
3131 tmp_vpath = mc_config_get_full_vpath (EDIT_TEMP_FILE);
3132 edit_insert_file (edit, tmp_vpath);
3133 vfs_path_free (tmp_vpath);
3134 }
3135 return 0;
3136 }
3137
3138 /* --------------------------------------------------------------------------------------------- */
3139 /**
3140 * Ask user for a command, execute it and paste its output back to the
3141 * editor.
3142 */
3143
3144 int
3145 edit_ext_cmd (WEdit * edit)
3146 {
3147 char *exp, *tmp, *tmp_edit_temp_file;
3148 int e;
3149
3150 exp =
3151 input_dialog (_("Paste output of external command"),
3152 _("Enter shell command(s):"), MC_HISTORY_EDIT_PASTE_EXTCMD, NULL,
3153 INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_VARIABLES | INPUT_COMPLETE_USERNAMES
3154 | INPUT_COMPLETE_HOSTNAMES | INPUT_COMPLETE_CD | INPUT_COMPLETE_COMMANDS |
3155 INPUT_COMPLETE_SHELL_ESC);
3156
3157 if (!exp)
3158 return 1;
3159
3160 tmp_edit_temp_file = mc_config_get_full_path (EDIT_TEMP_FILE);
3161 tmp = g_strconcat (exp, " > ", tmp_edit_temp_file, (char *) NULL);
3162 g_free (tmp_edit_temp_file);
3163 e = system (tmp);
3164 g_free (tmp);
3165 g_free (exp);
3166
3167 if (e)
3168 {
3169 edit_error_dialog (_("External command"), get_sys_error (_("Cannot execute command")));
3170 return -1;
3171 }
3172
3173 edit->force |= REDRAW_COMPLETELY;
3174
3175 {
3176 vfs_path_t *tmp_vpath;
3177
3178 tmp_vpath = mc_config_get_full_vpath (EDIT_TEMP_FILE);
3179 edit_insert_file (edit, tmp_vpath);
3180 vfs_path_free (tmp_vpath);
3181 }
3182 return 0;
3183 }
3184
3185 /* --------------------------------------------------------------------------------------------- */
3186 /** if block is 1, a block must be highlighted and the shell command
3187 processes it. If block is 0 the shell command is a straight system
3188 command, that just produces some output which is to be inserted */
3189
3190 void
3191 edit_block_process_cmd (WEdit * edit, int macro_number)
3192 {
3193 char *fname;
3194 char *macros_fname = NULL;
3195
3196 fname = g_strdup_printf ("%s.%i.sh", MC_EXTMACRO_FILE, macro_number);
3197 macros_fname = g_build_filename (mc_config_get_data_path (), fname, (char *) NULL);
3198 user_menu (edit, macros_fname, 0);
3199 g_free (fname);
3200 g_free (macros_fname);
3201 edit->force |= REDRAW_COMPLETELY;
3202 }
3203
3204 /* --------------------------------------------------------------------------------------------- */
3205
3206 void
3207 edit_mail_dialog (WEdit * edit)
3208 {
3209 char *tmail_to;
3210 char *tmail_subject;
3211 char *tmail_cc;
3212
3213 static char *mail_cc_last = 0;
3214 static char *mail_subject_last = 0;
3215 static char *mail_to_last = 0;
3216
3217
3218 quick_widget_t quick_widgets[] = {
3219 /* *INDENT-OFF* */
3220 QUICK_LABEL (N_("mail -s <subject> -c <cc> <to>"), NULL),
3221 QUICK_LABELED_INPUT (N_("To"), input_label_above,
3222 mail_to_last != NULL ? mail_to_last : "", "mail-dlg-input-3",
3223 &tmail_to, NULL, FALSE, FALSE, INPUT_COMPLETE_USERNAMES),
3224 QUICK_LABELED_INPUT (N_("Subject"), input_label_above,
3225 mail_subject_last != NULL ? mail_subject_last : "", "mail-dlg-input-2",
3226 &tmail_subject, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
3227 QUICK_LABELED_INPUT (N_("Copies to"), input_label_above,
3228 mail_cc_last != NULL ? mail_cc_last : "", "mail-dlg-input",
3229 &tmail_cc, NULL, FALSE, FALSE, INPUT_COMPLETE_USERNAMES),
3230 QUICK_BUTTONS_OK_CANCEL,
3231 QUICK_END
3232 /* *INDENT-ON* */
3233 };
3234
3235 quick_dialog_t qdlg = {
3236 -1, -1, 50,
3237 N_("Mail"), "[Input Line Keys]",
3238 quick_widgets, NULL, NULL
3239 };
3240
3241 if (quick_dialog (&qdlg) != B_CANCEL)
3242 {
3243 g_free (mail_cc_last);
3244 g_free (mail_subject_last);
3245 g_free (mail_to_last);
3246 mail_cc_last = tmail_cc;
3247 mail_subject_last = tmail_subject;
3248 mail_to_last = tmail_to;
3249 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
3250 }
3251 }
3252
3253 /* --------------------------------------------------------------------------------------------- */
3254
3255 /*******************/
3256 /* Word Completion */
3257 /*******************/
3258
3259 /**
3260 * Complete current word using regular expression search
3261 * backwards beginning at the current cursor position.
3262 */
3263
3264 void
3265 edit_complete_word_cmd (WEdit * edit)
3266 {
3267 gsize i, max_len, word_len = 0, num_compl = 0;
3268 off_t word_start = 0;
3269 unsigned char *bufpos;
3270 char *match_expr;
3271 GString *compl[MAX_WORD_COMPLETIONS]; /* completions */
3272
3273 /* search start of word to be completed */
3274 if (!edit_find_word_start (edit, &word_start, &word_len))
3275 return;
3276
3277 /* prepare match expression */
3278 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE][word_start & M_EDIT_BUF_SIZE];
3279
3280 /* match_expr = g_strdup_printf ("\\b%.*s[a-zA-Z_0-9]+", word_len, bufpos); */
3281 match_expr =
3282 g_strdup_printf
3283 ("(^|\\s+|\\b)%.*s[^\\s\\.=\\+\\[\\]\\(\\)\\,\\;\\:\\\"\\'\\-\\?\\/\\|\\\\\\{\\}\\*\\&\\^\\%%\\$#@\\!]+",
3284 (int) word_len, bufpos);
3285
3286 /* collect the possible completions */
3287 /* start search from begin to end of file */
3288 max_len =
3289 edit_collect_completions (edit, word_start, word_len, match_expr, (GString **) & compl,
3290 &num_compl);
3291
3292 if (num_compl > 0)
3293 {
3294 /* insert completed word if there is only one match */
3295 if (num_compl == 1)
3296 {
3297 for (i = word_len; i < compl[0]->len; i++)
3298 edit_insert (edit, *(compl[0]->str + i));
3299 }
3300 /* more than one possible completion => ask the user */
3301 else
3302 {
3303 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
3304 /* !!! pressed again the selection dialog pops up, but that !!! */
3305 /* !!! seems to require a further internal state !!! */
3306 /*tty_beep (); */
3307
3308 /* let the user select the preferred completion */
3309 editcmd_dialog_completion_show (edit, max_len, word_len, (GString **) & compl,
3310 num_compl);
3311 }
3312 }
3313
3314 g_free (match_expr);
3315 /* release memory before return */
3316 for (i = 0; i < num_compl; i++)
3317 g_string_free (compl[i], TRUE);
3318 }
3319
3320 /* --------------------------------------------------------------------------------------------- */
3321
3322 #ifdef HAVE_CHARSET
3323 void
3324 edit_select_codepage_cmd (WEdit * edit)
3325 {
3326 if (do_select_codepage ())
3327 edit_set_codeset (edit);
3328
3329 edit->force = REDRAW_PAGE;
3330 widget_redraw (WIDGET (edit));
3331 }
3332 #endif
3333
3334 /* --------------------------------------------------------------------------------------------- */
3335
3336 void
3337 edit_insert_literal_cmd (WEdit * edit)
3338 {
3339 int char_for_insertion;
3340
3341 char_for_insertion = editcmd_dialog_raw_key_query (_("Insert literal"),
3342 _("Press any key:"), FALSE);
3343 edit_execute_key_command (edit, -1, ascii_alpha_to_cntrl (char_for_insertion));
3344 }
3345
3346 /* --------------------------------------------------------------------------------------------- */
3347
3348 void
3349 edit_begin_end_macro_cmd (WEdit * edit)
3350 {
3351 /* edit is a pointer to the widget */
3352 if (edit != NULL)
3353 {
3354 unsigned long command = macro_index < 0 ? CK_MacroStartRecord : CK_MacroStopRecord;
3355 edit_execute_key_command (edit, command, -1);
3356 }
3357 }
3358
3359 /* --------------------------------------------------------------------------------------------- */
3360
3361 void
3362 edit_begin_end_repeat_cmd (WEdit * edit)
3363 {
3364 /* edit is a pointer to the widget */
3365 if (edit != NULL)
3366 {
3367 unsigned long command = macro_index < 0 ? CK_RepeatStartRecord : CK_RepeatStopRecord;
3368 edit_execute_key_command (edit, command, -1);
3369 }
3370 }
3371
3372 /* --------------------------------------------------------------------------------------------- */
3373
3374 gboolean
3375 edit_load_forward_cmd (WEdit * edit)
3376 {
3377 if (edit->modified
3378 && edit_query_dialog2 (_("Warning"),
3379 _("Current text was modified without a file save.\n"
3380 "Continue discards these changes"), _("C&ontinue"),
3381 _("&Cancel")) == 1)
3382 {
3383 edit->force |= REDRAW_COMPLETELY;
3384 return TRUE;
3385 }
3386
3387 if (edit_stack_iterator + 1 >= MAX_HISTORY_MOVETO)
3388 return FALSE;
3389
3390 if (edit_history_moveto[edit_stack_iterator + 1].line < 1)
3391 return FALSE;
3392
3393 edit_stack_iterator++;
3394 if (edit_history_moveto[edit_stack_iterator].filename_vpath != NULL)
3395 return edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
3396 edit_history_moveto[edit_stack_iterator].line);
3397
3398 return FALSE;
3399 }
3400
3401 /* --------------------------------------------------------------------------------------------- */
3402
3403 gboolean
3404 edit_load_back_cmd (WEdit * edit)
3405 {
3406 if (edit->modified
3407 && edit_query_dialog2 (_("Warning"),
3408 _("Current text was modified without a file save.\n"
3409 "Continue discards these changes"), _("C&ontinue"),
3410 _("&Cancel")) == 1)
3411 {
3412 edit->force |= REDRAW_COMPLETELY;
3413 return TRUE;
3414 }
3415
3416 /* we are in the bottom of the stack, NO WAY! */
3417 if (edit_stack_iterator == 0)
3418 return FALSE;
3419
3420 edit_stack_iterator--;
3421 if (edit_history_moveto[edit_stack_iterator].filename_vpath != NULL)
3422 return edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
3423 edit_history_moveto[edit_stack_iterator].line);
3424
3425 return FALSE;
3426 }
3427
3428 /* --------------------------------------------------------------------------------------------- */
3429
3430 void
3431 edit_get_match_keyword_cmd (WEdit * edit)
3432 {
3433 gsize word_len = 0, max_len = 0;
3434 int num_def = 0;
3435 int i;
3436 off_t word_start = 0;
3437 unsigned char *bufpos;
3438 char *match_expr;
3439 char *path = NULL;
3440 char *ptr = NULL;
3441 char *tagfile = NULL;
3442
3443 etags_hash_t def_hash[MAX_DEFINITIONS];
3444
3445 for (i = 0; i < MAX_DEFINITIONS; i++)
3446 {
3447 def_hash[i].filename = NULL;
3448 }
3449
3450 /* search start of word to be completed */
3451 if (!edit_find_word_start (edit, &word_start, &word_len))
3452 return;
3453
3454 /* prepare match expression */
3455 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE][word_start & M_EDIT_BUF_SIZE];
3456 match_expr = g_strdup_printf ("%.*s", (int) word_len, bufpos);
3457
3458 ptr = g_get_current_dir ();
3459 path = g_strconcat (ptr, G_DIR_SEPARATOR_S, (char *) NULL);
3460 g_free (ptr);
3461
3462 /* Recursive search file 'TAGS' in parent dirs */
3463 do
3464 {
3465 ptr = g_path_get_dirname (path);
3466 g_free (path);
3467 path = ptr;
3468 g_free (tagfile);
3469 tagfile = mc_build_filename (path, TAGS_NAME, (char *) NULL);
3470 if (exist_file (tagfile))
3471 break;
3472 }
3473 while (strcmp (path, G_DIR_SEPARATOR_S) != 0);
3474
3475 if (tagfile)
3476 {
3477 num_def =
3478 etags_set_definition_hash (tagfile, path, match_expr, (etags_hash_t *) & def_hash);
3479 g_free (tagfile);
3480 }
3481 g_free (path);
3482
3483 max_len = MAX_WIDTH_DEF_DIALOG;
3484 word_len = 0;
3485 if (num_def > 0)
3486 {
3487 editcmd_dialog_select_definition_show (edit, match_expr, max_len, word_len,
3488 (etags_hash_t *) & def_hash, num_def);
3489 }
3490 g_free (match_expr);
3491 }
3492
3493 /* --------------------------------------------------------------------------------------------- */
3494
3495 #ifdef HAVE_ASPELL
3496 int
3497 edit_suggest_current_word (WEdit * edit)
3498 {
3499 gsize cut_len = 0;
3500 gsize word_len = 0;
3501 off_t word_start = 0;
3502 int retval = B_SKIP_WORD;
3503 char *match_word;
3504
3505 /* search start of word to spell check */
3506 match_word = edit_get_word_from_pos (edit, edit->curs1, &word_start, &word_len, &cut_len);
3507
3508 #ifdef HAVE_CHARSET
3509 if (mc_global.source_codepage >= 0 && (mc_global.source_codepage != mc_global.display_codepage))
3510 {
3511 GString *tmp_word;
3512
3513 tmp_word = str_convert_to_display (match_word);
3514 g_free (match_word);
3515 match_word = g_string_free (tmp_word, FALSE);
3516 }
3517 #endif
3518 if (!aspell_check (match_word, (int) word_len))
3519 {
3520 GArray *suggest;
3521 unsigned int res;
3522
3523 suggest = g_array_new (TRUE, FALSE, sizeof (char *));
3524
3525 res = aspell_suggest (suggest, match_word, (int) word_len);
3526 if (res != 0)
3527 {
3528 char *new_word = NULL;
3529
3530 edit->found_start = word_start;
3531 edit->found_len = word_len;
3532 edit->force |= REDRAW_PAGE;
3533 edit_scroll_screen_over_cursor (edit);
3534 edit_render_keypress (edit);
3535
3536 retval = spell_dialog_spell_suggest_show (edit, match_word, &new_word, suggest);
3537 edit_cursor_move (edit, word_len - cut_len);
3538
3539 if (retval == B_ENTER && new_word != NULL)
3540 {
3541 guint i;
3542 char *cp_word;
3543
3544 #ifdef HAVE_CHARSET
3545 if (mc_global.source_codepage >= 0 &&
3546 (mc_global.source_codepage != mc_global.display_codepage))
3547 {
3548 GString *tmp_word;
3549
3550 tmp_word = str_convert_to_input (new_word);
3551 g_free (new_word);
3552 new_word = g_string_free (tmp_word, FALSE);
3553 }
3554 #endif
3555 cp_word = new_word;
3556 for (i = 0; i < word_len; i++)
3557 edit_backspace (edit, TRUE);
3558 for (; *new_word; new_word++)
3559 edit_insert (edit, *new_word);
3560 g_free (cp_word);
3561 }
3562 else if (retval == B_ADD_WORD && match_word != NULL)
3563 aspell_add_to_dict (match_word, (int) word_len);
3564 }
3565
3566 g_array_free (suggest, TRUE);
3567 edit->found_start = 0;
3568 edit->found_len = 0;
3569 }
3570 g_free (match_word);
3571 return retval;
3572 }
3573
3574 /* --------------------------------------------------------------------------------------------- */
3575
3576 void
3577 edit_spellcheck_file (WEdit * edit)
3578 {
3579 if (edit->curs_line > 0)
3580 {
3581 edit_cursor_move (edit, -edit->curs1);
3582 edit_move_to_prev_col (edit, 0);
3583 edit_update_curs_row (edit);
3584 }
3585
3586 do
3587 {
3588 int c1, c2;
3589
3590 c2 = edit_get_byte (edit, edit->curs1);
3591
3592 do
3593 {
3594 if (edit->curs1 >= edit->last_byte)
3595 return;
3596
3597 c1 = c2;
3598 edit_cursor_move (edit, 1);
3599 c2 = edit_get_byte (edit, edit->curs1);
3600 }
3601 while (is_break_char (c1) || is_break_char (c2));
3602 }
3603 while (edit_suggest_current_word (edit) != B_CANCEL);
3604 }
3605
3606 /* --------------------------------------------------------------------------------------------- */
3607
3608 void
3609 edit_set_spell_lang (void)
3610 {
3611 GArray *lang_list;
3612
3613 lang_list = g_array_new (TRUE, FALSE, sizeof (char *));
3614 if (aspell_get_lang_list (lang_list) != 0)
3615 {
3616 char *lang;
3617
3618 lang = spell_dialog_lang_list_show (lang_list);
3619 if (lang != NULL)
3620 (void) aspell_set_lang (lang);
3621 }
3622 aspell_array_clean (lang_list);
3623 }
3624 #endif /* HAVE_ASPELL */
3625
3626 /* --------------------------------------------------------------------------------------------- */
Midnight Commander