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Removed type SHELL_ESCAPED_STR in favour of plain char*
[midnight-commander.git] / edit / editcmd.c
blob6d3c2ed503dbd481f1f7a3999155ce25eb65c867
1 /* editor high level editing commands.
2
3 Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
4 2007 Free Software Foundation, Inc.
5
6 Authors: 1996, 1997 Paul Sheer
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 02110-1301, USA.
22
23 */
24
25 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
26
27 #include <config.h>
28
29 #include <assert.h>
30 #include <ctype.h>
31
32 #include <stdio.h>
33 #include <stdarg.h>
34 #include <sys/types.h>
35 #include <unistd.h>
36 #include <string.h>
37 #include <errno.h>
38 #include <sys/stat.h>
39 #include <stdlib.h>
40
41 #include <mhl/memory.h>
42 #include <mhl/string.h>
43
44 #include "../src/global.h"
45 #include "../src/history.h"
46
47 #include "edit.h"
48 #include "editlock.h"
49 #include "editcmddef.h"
50 #include "edit-widget.h"
51
52 #include "../src/color.h" /* dialog_colors */
53 #include "../src/tty.h" /* LINES */
54 #include "../src/widget.h" /* listbox_new() */
55 #include "../src/layout.h" /* clr_scr() */
56 #include "../src/main.h" /* mc_home */
57 #include "../src/help.h" /* interactive_display() */
58 #include "../src/key.h" /* XCTRL */
59 #include "../src/dialog.h" /* do_refresh() */
60 #include "../src/wtools.h" /* message() */
61 #include "../src/charsets.h"
62 #include "../src/selcodepage.h"
63
64 struct selection {
65 unsigned char * text;
66 int len;
67 };
68
69 /* globals: */
70
71 /* search and replace: */
72 static int replace_scanf = 0;
73 static int replace_regexp = 0;
74 static int replace_all = 0;
75 static int replace_prompt = 1;
76 static int replace_whole = 0;
77 static int replace_case = 0;
78 static int replace_backwards = 0;
79 static int search_create_bookmark = 0;
80
81 /* queries on a save */
82 int edit_confirm_save = 1;
83
84 #define NUM_REPL_ARGS 64
85 #define MAX_REPL_LEN 1024
86
87 static int edit_save_cmd (WEdit *edit);
88 static unsigned char *edit_get_block (WEdit *edit, long start,
89 long finish, int *l);
90
91 static inline int my_lower_case (int c)
92 {
93 return tolower(c & 0xFF);
94 }
95
96 static const char *
97 strcasechr (const char *s, int c)
98 {
99 for (c = my_lower_case (c); my_lower_case ((int) *s) != c; ++s)
100 if (*s == '\0')
101 return 0;
102 return s;
103 }
104
105 /* #define itoa MY_itoa <---- this line is now in edit.h */
106 static char *
107 MY_itoa (int i)
108 {
109 static char t[14];
110 char *s = t + 13;
111 int j = i;
112 *s-- = 0;
113 do {
114 *s-- = i % 10 + '0';
115 } while ((i = i / 10));
116 if (j < 0)
117 *s-- = '-';
118 return ++s;
119 }
120
121 /* Temporary strings */
122 static char *stacked[16];
123
124 /*
125 This joins strings end on end and allocates memory for the result.
126 The result is later automatically free'd and must not be free'd
127 by the caller.
128 */
129 static const char *
130 catstrs (const char *first,...)
131 {
132 static int i = 0;
133 va_list ap;
134 int len;
135 char *data;
136
137 if (!first)
138 return 0;
139
140 len = strlen (first);
141 va_start (ap, first);
142
143 while ((data = va_arg (ap, char *)) != 0)
144 len += strlen (data);
145
146 len++;
147
148 i = (i + 1) % 16;
149 g_free (stacked[i]);
150
151 stacked[i] = g_malloc (len);
152 va_end (ap);
153 va_start (ap, first);
154 strcpy (stacked[i], first);
155 while ((data = va_arg (ap, char *)) != 0)
156 strcat (stacked[i], data);
157 va_end (ap);
158
159 return stacked[i];
160 }
161
162 /* Free temporary strings */
163 void freestrs(void)
164 {
165 size_t i;
166
167 for (i = 0; i < sizeof(stacked) / sizeof(stacked[0]); i++) {
168 g_free (stacked[i]);
169 stacked[i] = NULL;
170 }
171 }
172
173 void edit_help_cmd (WEdit * edit)
174 {
175 interactive_display (NULL, "[Internal File Editor]");
176 edit->force |= REDRAW_COMPLETELY;
177 }
178
179 void edit_refresh_cmd (WEdit * edit)
180 {
181 #ifndef HAVE_SLANG
182 clr_scr();
183 do_refresh();
184 #else
185 {
186 int color;
187 edit_get_syntax_color (edit, -1, &color);
188 }
189 touchwin(stdscr);
190 #endif /* !HAVE_SLANG */
191 mc_refresh();
192 doupdate();
193 }
194
195 /* If 0 (quick save) then a) create/truncate <filename> file,
196 b) save to <filename>;
197 if 1 (safe save) then a) save to <tempnam>,
198 b) rename <tempnam> to <filename>;
199 if 2 (do backups) then a) save to <tempnam>,
200 b) rename <filename> to <filename.backup_ext>,
201 c) rename <tempnam> to <filename>. */
202
203 /* returns 0 on error, -1 on abort */
204 static int
205 edit_save_file (WEdit *edit, const char *filename)
206 {
207 char *p;
208 long filelen = 0;
209 char *savename = 0;
210 int this_save_mode, fd = -1;
211
212 if (!filename)
213 return 0;
214 if (!*filename)
215 return 0;
216
217 if (*filename != PATH_SEP && edit->dir) {
218 savename = mhl_str_dir_plus_file (edit->dir, filename);
219 filename = catstrs (savename, (char *) NULL);
220 g_free (savename);
221 }
222
223 this_save_mode = option_save_mode;
224 if (this_save_mode != EDIT_QUICK_SAVE) {
225 if (!vfs_file_is_local (filename) ||
226 (fd = mc_open (filename, O_RDONLY | O_BINARY)) == -1) {
227 /*
228 * The file does not exists yet, so no safe save or
229 * backup are necessary.
230 */
231 this_save_mode = EDIT_QUICK_SAVE;
232 }
233 if (fd != -1)
234 mc_close (fd);
235 }
236
237 if (this_save_mode == EDIT_QUICK_SAVE &&
238 !edit->skip_detach_prompt) {
239 int rv;
240 struct stat sb;
241
242 rv = mc_stat (filename, &sb);
243 if (rv == 0 && sb.st_nlink > 1) {
244 rv = edit_query_dialog3 (_("Warning"),
245 _(" File has hard-links. Detach before saving? "),
246 _("&Yes"), _("&No"), _("&Cancel"));
247 switch (rv) {
248 case 0:
249 this_save_mode = EDIT_SAFE_SAVE;
250 /* fallthrough */
251 case 1:
252 edit->skip_detach_prompt = 1;
253 break;
254 default:
255 return -1;
256 }
257 }
258
259 /* Prevent overwriting changes from other editor sessions. */
260 if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime) {
261
262 /* The default action is "Cancel". */
263 query_set_sel(1);
264
265 rv = edit_query_dialog2 (
266 _("Warning"),
267 _("The file has been modified in the meantime. Save anyway?"),
268 _("&Yes"),
269 _("&Cancel"));
270 if (rv != 0)
271 return -1;
272 }
273 }
274
275 if (this_save_mode != EDIT_QUICK_SAVE) {
276 char *savedir, *saveprefix;
277 const char *slashpos;
278 slashpos = strrchr (filename, PATH_SEP);
279 if (slashpos) {
280 savedir = mhl_str_dup (filename);
281 savedir[slashpos - filename + 1] = '\0';
282 } else
283 savedir = mhl_str_dup (".");
284 saveprefix = mhl_str_dir_plus_file (savedir, "cooledit");
285 g_free (savedir);
286 fd = mc_mkstemps (&savename, saveprefix, NULL);
287 g_free (saveprefix);
288 if (!savename)
289 return 0;
290 /* FIXME:
291 * Close for now because mc_mkstemps use pure open system call
292 * to create temporary file and it needs to be reopened by
293 * VFS-aware mc_open().
294 */
295 close (fd);
296 } else
297 savename = g_strdup (filename);
298
299 mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
300 mc_chmod (savename, edit->stat1.st_mode);
301
302 if ((fd =
303 mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
304 edit->stat1.st_mode)) == -1)
305 goto error_save;
306
307 /* pipe save */
308 if ((p = edit_get_write_filter (savename, filename))) {
309 FILE *file;
310
311 mc_close (fd);
312 file = (FILE *) popen (p, "w");
313
314 if (file) {
315 filelen = edit_write_stream (edit, file);
316 #if 1
317 pclose (file);
318 #else
319 if (pclose (file) != 0) {
320 edit_error_dialog (_("Error"),
321 catstrs (_(" Error writing to pipe: "),
322 p, " ", (char *) NULL));
323 g_free (p);
324 goto error_save;
325 }
326 #endif
327 } else {
328 edit_error_dialog (_("Error"),
329 get_sys_error (catstrs
330 (_
331 (" Cannot open pipe for writing: "),
332 p, " ", (char *) NULL)));
333 g_free (p);
334 goto error_save;
335 }
336 g_free (p);
337 } else {
338 long buf;
339 buf = 0;
340 filelen = edit->last_byte;
341 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
342 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE)
343 != EDIT_BUF_SIZE) {
344 mc_close (fd);
345 goto error_save;
346 }
347 buf++;
348 }
349 if (mc_write
350 (fd, (char *) edit->buffers1[buf],
351 edit->curs1 & M_EDIT_BUF_SIZE) !=
352 (edit->curs1 & M_EDIT_BUF_SIZE)) {
353 filelen = -1;
354 } else if (edit->curs2) {
355 edit->curs2--;
356 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
357 if (mc_write
358 (fd,
359 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
360 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
361 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) !=
362 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
363 filelen = -1;
364 } else {
365 while (--buf >= 0) {
366 if (mc_write
367 (fd, (char *) edit->buffers2[buf],
368 EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
369 filelen = -1;
370 break;
371 }
372 }
373 }
374 edit->curs2++;
375 }
376 if (mc_close (fd))
377 goto error_save;
378
379 /* Update the file information, especially the mtime. */
380 if (mc_stat (savename, &edit->stat1) == -1)
381 goto error_save;
382 }
383
384 if (filelen != edit->last_byte)
385 goto error_save;
386
387 if (this_save_mode == EDIT_DO_BACKUP) {
388 assert (option_backup_ext != NULL);
389 if (mc_rename (filename, catstrs (filename, option_backup_ext,
390 (char *) NULL)) == -1)
391 goto error_save;
392 }
393
394 if (this_save_mode != EDIT_QUICK_SAVE)
395 if (mc_rename (savename, filename) == -1)
396 goto error_save;
397 g_free (savename);
398 return 1;
399 error_save:
400 /* FIXME: Is this safe ?
401 * if (this_save_mode != EDIT_QUICK_SAVE)
402 * mc_unlink (savename);
403 */
404 g_free (savename);
405 return 0;
406 }
407
408 void menu_save_mode_cmd (void)
409 {
410 #define DLG_X 38
411 #define DLG_Y 10
412 static char *str_result;
413 static int save_mode_new;
414 static const char *str[] =
415 {
416 N_("Quick save "),
417 N_("Safe save "),
418 N_("Do backups -->")};
419 static QuickWidget widgets[] =
420 {
421 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
422 B_CANCEL, 0, 0, NULL},
423 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&OK"), 0,
424 B_ENTER, 0, 0, NULL},
425 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
426 0, 0, &str_result, "edit-backup-ext"},
427 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
428 0, 0, 0, NULL},
429 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
430 0, &save_mode_new, (char **) str, NULL},
431 NULL_QuickWidget};
432 static QuickDialog dialog =
433 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
434 widgets, 0};
435 static int i18n_flag = 0;
436
437 if (!i18n_flag) {
438 size_t i;
439 size_t maxlen = 0;
440 int dlg_x;
441 size_t l1;
442
443 /* OK/Cancel buttons */
444 l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5;
445 maxlen = max (maxlen, l1);
446
447 for (i = 0; i < 3; i++ ) {
448 str[i] = _(str[i]);
449 maxlen = max (maxlen, strlen (str[i]) + 7);
450 }
451 i18n_flag = 1;
452
453 dlg_x = maxlen + strlen (_(widgets[3].text)) + 5 + 1;
454 widgets[2].hotkey_pos = strlen (_(widgets[3].text)); /* input field length */
455 dlg_x = min (COLS, dlg_x);
456 dialog.xlen = dlg_x;
457
458 i = (dlg_x - l1)/3;
459 widgets[1].relative_x = i;
460 widgets[0].relative_x = i + strlen (_(widgets[1].text)) + i + 4;
461
462 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
463
464 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
465 widgets[i].x_divisions = dlg_x;
466 }
467
468 assert (option_backup_ext != NULL);
469 widgets[2].text = option_backup_ext;
470 widgets[4].value = option_save_mode;
471 if (quick_dialog (&dialog) != B_ENTER)
472 return;
473 option_save_mode = save_mode_new;
474
475 g_free (option_backup_ext);
476 option_backup_ext = str_result;
477 str_result = NULL;
478 }
479
480 void
481 edit_set_filename (WEdit *edit, const char *f)
482 {
483 g_free (edit->filename);
484 if (!f)
485 f = "";
486 edit->filename = g_strdup (f);
487 if (edit->dir == NULL && *f != PATH_SEP)
488 #ifdef USE_VFS
489 edit->dir = g_strdup (vfs_get_current_dir ());
490 #else
491 edit->dir = g_get_current_dir ();
492 #endif
493 }
494
495 /* Here we want to warn the users of overwriting an existing file,
496 but only if they have made a change to the filename */
497 /* returns 1 on success */
498 int
499 edit_save_as_cmd (WEdit *edit)
500 {
501 /* This heads the 'Save As' dialog box */
502 char *exp;
503 int save_lock = 0;
504 int different_filename = 0;
505
506 exp = input_expand_dialog (
507 _(" Save As "), _(" Enter file name: "),MC_HISTORY_EDIT_SAVE_AS, edit->filename);
508 edit_push_action (edit, KEY_PRESS + edit->start_display);
509
510 if (exp) {
511 if (!*exp) {
512 g_free (exp);
513 edit->force |= REDRAW_COMPLETELY;
514 return 0;
515 } else {
516 int rv;
517 if (strcmp (edit->filename, exp)) {
518 int file;
519 different_filename = 1;
520 if ((file = mc_open (exp, O_RDONLY | O_BINARY)) != -1) {
521 /* the file exists */
522 mc_close (file);
523 /* Overwrite the current file or cancel the operation */
524 if (edit_query_dialog2
525 (_("Warning"),
526 _(" A file already exists with this name. "),
527 _("&Overwrite"), _("&Cancel"))) {
528 edit->force |= REDRAW_COMPLETELY;
529 g_free (exp);
530 return 0;
531 }
532 }
533 save_lock = edit_lock_file (exp);
534 } else {
535 /* filenames equal, check if already locked */
536 if (!edit->locked && !edit->delete_file)
537 save_lock = edit_lock_file (exp);
538 }
539
540 rv = edit_save_file (edit, exp);
541 switch (rv) {
542 case 1:
543 /* Succesful, so unlock both files */
544 if (different_filename) {
545 if (save_lock)
546 edit_unlock_file (exp);
547 if (edit->locked)
548 edit->locked = edit_unlock_file (edit->filename);
549 } else {
550 if (edit->locked || save_lock)
551 edit->locked = edit_unlock_file (edit->filename);
552 }
553
554 edit_set_filename (edit, exp);
555 g_free (exp);
556 edit->modified = 0;
557 edit->delete_file = 0;
558 if (different_filename)
559 edit_load_syntax (edit, NULL, option_syntax_type);
560 edit->force |= REDRAW_COMPLETELY;
561 return 1;
562 default:
563 edit_error_dialog (_(" Save As "),
564 get_sys_error (_
565 (" Cannot save file. ")));
566 /* fallthrough */
567 case -1:
568 /* Failed, so maintain modify (not save) lock */
569 if (save_lock)
570 edit_unlock_file (exp);
571 g_free (exp);
572 edit->force |= REDRAW_COMPLETELY;
573 return 0;
574 }
575 }
576 }
577 edit->force |= REDRAW_COMPLETELY;
578 return 0;
579 }
580
581 /* {{{ Macro stuff starts here */
582
583 static cb_ret_t
584 raw_callback (struct Dlg_head *h, dlg_msg_t msg, int parm)
585 {
586 switch (msg) {
587 case DLG_KEY:
588 h->running = 0;
589 h->ret_value = parm;
590 return MSG_HANDLED;
591 default:
592 return default_dlg_callback (h, msg, parm);
593 }
594 }
595
596 /* gets a raw key from the keyboard. Passing cancel = 1 draws
597 a cancel button thus allowing c-c etc. Alternatively, cancel = 0
598 will return the next key pressed. ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
599 and Esc are cannot returned */
600 int
601 edit_raw_key_query (const char *heading, const char *query, int cancel)
602 {
603 int w = strlen (query) + 7;
604 struct Dlg_head *raw_dlg =
605 create_dlg (0, 0, 7, w, dialog_colors, raw_callback,
606 NULL, heading,
607 DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB);
608 add_widget (raw_dlg,
609 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0, INPUT_COMPLETE_DEFAULT));
610 add_widget (raw_dlg, label_new (3 - cancel, 2, query));
611 if (cancel)
612 add_widget (raw_dlg,
613 button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON,
614 _("Cancel"), 0));
615 run_dlg (raw_dlg);
616 w = raw_dlg->ret_value;
617 destroy_dlg (raw_dlg);
618 if (cancel) {
619 if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR
620 || w == B_CANCEL)
621 return 0;
622 }
623
624 return w;
625 }
626
627 /* creates a macro file if it doesn't exist */
628 static FILE *edit_open_macro_file (const char *r)
629 {
630 const char *filename;
631 int file;
632 filename = catstrs (home_dir, PATH_SEP_STR MACRO_FILE, (char *) NULL);
633 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
634 return 0;
635 close (file);
636 return fopen (filename, r);
637 }
638
639 #define MAX_MACROS 1024
640 static int saved_macro[MAX_MACROS + 1];
641 static int saved_macros_loaded = 0;
642
643 /*
644 This is just to stop the macro file be loaded over and over for keys
645 that aren't defined to anything. On slow systems this could be annoying.
646 */
647 static int
648 macro_exists (int k)
649 {
650 int i;
651 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
652 if (saved_macro[i] == k)
653 return i;
654 return -1;
655 }
656
657 /* returns 1 on error */
658 static int
659 edit_delete_macro (WEdit * edit, int k)
660 {
661 struct macro macro[MAX_MACRO_LENGTH];
662 FILE *f, *g;
663 int s, i, n, j = 0;
664
665 (void) edit;
666
667 if (saved_macros_loaded)
668 if ((j = macro_exists (k)) < 0)
669 return 0;
670 g = fopen (catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL), "w");
671 if (!g) {
672 edit_error_dialog (_(" Delete macro "),
673 get_sys_error (_(" Cannot open temp file ")));
674 return 1;
675 }
676 f = edit_open_macro_file ("r");
677 if (!f) {
678 edit_error_dialog (_(" Delete macro "),
679 get_sys_error (_(" Cannot open macro file ")));
680 fclose (g);
681 return 1;
682 }
683 for (;;) {
684 n = fscanf (f, ("key '%d 0': "), &s);
685 if (!n || n == EOF)
686 break;
687 n = 0;
688 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
689 n++;
690 fscanf (f, ";\n");
691 if (s != k) {
692 fprintf (g, ("key '%d 0': "), s);
693 for (i = 0; i < n; i++)
694 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
695 fprintf (g, ";\n");
696 }
697 }
698 fclose (f);
699 fclose (g);
700 if (rename (catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL), catstrs (home_dir, PATH_SEP_STR MACRO_FILE, (char *) NULL)) == -1) {
701 edit_error_dialog (_(" Delete macro "),
702 get_sys_error (_(" Cannot overwrite macro file ")));
703 return 1;
704 }
705 if (saved_macros_loaded)
706 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
707 return 0;
708 }
709
710 /* returns 0 on error */
711 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
712 {
713 FILE *f;
714 int s, i;
715
716 edit_push_action (edit, KEY_PRESS + edit->start_display);
717 s = edit_raw_key_query (_(" Save macro "),
718 _(" Press the macro's new hotkey: "), 1);
719 edit->force |= REDRAW_COMPLETELY;
720 if (s) {
721 if (edit_delete_macro (edit, s))
722 return 0;
723 f = edit_open_macro_file ("a+");
724 if (f) {
725 fprintf (f, ("key '%d 0': "), s);
726 for (i = 0; i < n; i++)
727 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
728 fprintf (f, ";\n");
729 fclose (f);
730 if (saved_macros_loaded) {
731 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
732 saved_macro[i] = s;
733 }
734 return 1;
735 } else
736 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
737 }
738 return 0;
739 }
740
741 void edit_delete_macro_cmd (WEdit * edit)
742 {
743 int command;
744
745 command = edit_raw_key_query (_ (" Delete macro "),
746 _ (" Press macro hotkey: "), 1);
747
748 if (!command)
749 return;
750
751 edit_delete_macro (edit, command);
752 }
753
754 /* return 0 on error */
755 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
756 {
757 FILE *f;
758 int s, i = 0, found = 0;
759
760 (void) edit;
761
762 if (saved_macros_loaded)
763 if (macro_exists (k) < 0)
764 return 0;
765
766 if ((f = edit_open_macro_file ("r"))) {
767 struct macro dummy;
768 do {
769 int u;
770 u = fscanf (f, ("key '%d 0': "), &s);
771 if (!u || u == EOF)
772 break;
773 if (!saved_macros_loaded)
774 saved_macro[i++] = s;
775 if (!found) {
776 *n = 0;
777 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
778 (*n)++;
779 } else {
780 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
781 }
782 fscanf (f, ";\n");
783 if (s == k)
784 found = 1;
785 } while (!found || !saved_macros_loaded);
786 if (!saved_macros_loaded) {
787 saved_macro[i] = 0;
788 saved_macros_loaded = 1;
789 }
790 fclose (f);
791 return found;
792 } else
793 edit_error_dialog (_(" Load macro "),
794 get_sys_error (_(" Cannot open macro file ")));
795 return 0;
796 }
797
798 /* }}} Macro stuff starts here */
799
800 /* returns 1 on success */
801 int edit_save_confirm_cmd (WEdit * edit)
802 {
803 const char *f;
804
805 if (edit_confirm_save) {
806 f = catstrs (_(" Confirm save file? : "), edit->filename, " ", (char *) NULL);
807 if (edit_query_dialog2 (_(" Save file "), f, _("&Save"), _("&Cancel")))
808 return 0;
809 }
810 return edit_save_cmd (edit);
811 }
812
813
814 /* returns 1 on success */
815 static int
816 edit_save_cmd (WEdit *edit)
817 {
818 int res, save_lock = 0;
819
820 if (!edit->locked && !edit->delete_file)
821 save_lock = edit_lock_file (edit->filename);
822 res = edit_save_file (edit, edit->filename);
823
824 /* Maintain modify (not save) lock on failure */
825 if ((res > 0 && edit->locked) || save_lock)
826 edit->locked = edit_unlock_file (edit->filename);
827
828 /* On failure try 'save as', it does locking on its own */
829 if (!res)
830 return edit_save_as_cmd (edit);
831 edit->force |= REDRAW_COMPLETELY;
832 if (res > 0) {
833 edit->delete_file = 0;
834 edit->modified = 0;
835 }
836
837 return 1;
838 }
839
840
841 /* returns 1 on success */
842 int edit_new_cmd (WEdit * edit)
843 {
844 if (edit->modified) {
845 if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("C&ontinue"), _ ("&Cancel"))) {
846 edit->force |= REDRAW_COMPLETELY;
847 return 0;
848 }
849 }
850 edit->force |= REDRAW_COMPLETELY;
851
852 return edit_renew (edit); /* if this gives an error, something has really screwed up */
853 }
854
855 /* returns 1 on error */
856 static int
857 edit_load_file_from_filename (WEdit * edit, char *exp)
858 {
859 int prev_locked = edit->locked;
860 char *prev_filename = g_strdup (edit->filename);
861
862 if (!edit_reload (edit, exp)) {
863 g_free (prev_filename);
864 return 1;
865 }
866
867 if (prev_locked)
868 edit_unlock_file (prev_filename);
869 g_free (prev_filename);
870 return 0;
871 }
872
873 int
874 edit_load_cmd (WEdit *edit)
875 {
876 char *exp;
877
878 if (edit->modified) {
879 if (edit_query_dialog2
880 (_("Warning"),
881 _(" Current text was modified without a file save. \n"
882 " Continue discards these changes. "), _("C&ontinue"),
883 _("&Cancel"))) {
884 edit->force |= REDRAW_COMPLETELY;
885 return 0;
886 }
887 }
888
889 exp = input_expand_dialog (_(" Load "), _(" Enter file name: "),
890 MC_HISTORY_EDIT_LOAD, edit->filename);
891
892 if (exp) {
893 if (*exp)
894 edit_load_file_from_filename (edit, exp);
895 g_free (exp);
896 }
897 edit->force |= REDRAW_COMPLETELY;
898 return 0;
899 }
900
901 /*
902 if mark2 is -1 then marking is from mark1 to the cursor.
903 Otherwise its between the markers. This handles this.
904 Returns 1 if no text is marked.
905 */
906 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
907 {
908 if (edit->mark1 != edit->mark2) {
909 if (edit->mark2 >= 0) {
910 *start_mark = min (edit->mark1, edit->mark2);
911 *end_mark = max (edit->mark1, edit->mark2);
912 } else {
913 *start_mark = min (edit->mark1, edit->curs1);
914 *end_mark = max (edit->mark1, edit->curs1);
915 edit->column2 = edit->curs_col;
916 }
917 return 0;
918 } else {
919 *start_mark = *end_mark = 0;
920 edit->column2 = edit->column1 = 0;
921 return 1;
922 }
923 }
924
925 #define space_width 1
926
927 static void
928 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
929 {
930 long cursor;
931 int i, col;
932 cursor = edit->curs1;
933 col = edit_get_col (edit);
934 for (i = 0; i < size; i++) {
935 if (data[i] == '\n') { /* fill in and move to next line */
936 int l;
937 long p;
938 if (edit_get_byte (edit, edit->curs1) != '\n') {
939 l = width - (edit_get_col (edit) - col);
940 while (l > 0) {
941 edit_insert (edit, ' ');
942 l -= space_width;
943 }
944 }
945 for (p = edit->curs1;; p++) {
946 if (p == edit->last_byte) {
947 edit_cursor_move (edit, edit->last_byte - edit->curs1);
948 edit_insert_ahead (edit, '\n');
949 p++;
950 break;
951 }
952 if (edit_get_byte (edit, p) == '\n') {
953 p++;
954 break;
955 }
956 }
957 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
958 l = col - edit_get_col (edit);
959 while (l >= space_width) {
960 edit_insert (edit, ' ');
961 l -= space_width;
962 }
963 continue;
964 }
965 edit_insert (edit, data[i]);
966 }
967 edit_cursor_move (edit, cursor - edit->curs1);
968 }
969
970
971 void
972 edit_block_copy_cmd (WEdit *edit)
973 {
974 long start_mark, end_mark, current = edit->curs1;
975 int size;
976 unsigned char *copy_buf;
977
978 edit_update_curs_col (edit);
979 if (eval_marks (edit, &start_mark, &end_mark))
980 return;
981
982 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
983
984 /* all that gets pushed are deletes hence little space is used on the stack */
985
986 edit_push_markers (edit);
987
988 if (column_highlighting) {
989 edit_insert_column_of_text (edit, copy_buf, size,
990 abs (edit->column2 - edit->column1));
991 } else {
992 while (size--)
993 edit_insert_ahead (edit, copy_buf[size]);
994 }
995
996 g_free (copy_buf);
997 edit_scroll_screen_over_cursor (edit);
998
999 if (column_highlighting) {
1000 edit_set_markers (edit, 0, 0, 0, 0);
1001 edit_push_action (edit, COLUMN_ON);
1002 column_highlighting = 0;
1003 } else if (start_mark < current && end_mark > current)
1004 edit_set_markers (edit, start_mark,
1005 end_mark + end_mark - start_mark, 0, 0);
1006
1007 edit->force |= REDRAW_PAGE;
1008 }
1009
1010
1011 void
1012 edit_block_move_cmd (WEdit *edit)
1013 {
1014 long count;
1015 long current;
1016 unsigned char *copy_buf;
1017 long start_mark, end_mark;
1018 int deleted = 0;
1019 int x = 0;
1020
1021 if (eval_marks (edit, &start_mark, &end_mark))
1022 return;
1023 if (column_highlighting) {
1024 edit_update_curs_col (edit);
1025 x = edit->curs_col;
1026 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1027 if ((x > edit->column1 && x < edit->column2)
1028 || (x > edit->column2 && x < edit->column1))
1029 return;
1030 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
1031 return;
1032
1033 if ((end_mark - start_mark) > option_max_undo / 2)
1034 if (edit_query_dialog2
1035 (_("Warning"),
1036 _
1037 (" Block is large, you may not be able to undo this action. "),
1038 _("C&ontinue"), _("&Cancel")))
1039 return;
1040
1041 edit_push_markers (edit);
1042 current = edit->curs1;
1043 if (column_highlighting) {
1044 int size, c1, c2, line;
1045 line = edit->curs_line;
1046 if (edit->mark2 < 0)
1047 edit_mark_cmd (edit, 0);
1048 c1 = min (edit->column1, edit->column2);
1049 c2 = max (edit->column1, edit->column2);
1050 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1051 if (x < c2) {
1052 edit_block_delete_cmd (edit);
1053 deleted = 1;
1054 }
1055 edit_move_to_line (edit, line);
1056 edit_cursor_move (edit,
1057 edit_move_forward3 (edit,
1058 edit_bol (edit, edit->curs1),
1059 x, 0) - edit->curs1);
1060 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
1061 if (!deleted) {
1062 line = edit->curs_line;
1063 edit_update_curs_col (edit);
1064 x = edit->curs_col;
1065 edit_block_delete_cmd (edit);
1066 edit_move_to_line (edit, line);
1067 edit_cursor_move (edit,
1068 edit_move_forward3 (edit,
1069 edit_bol (edit,
1070 edit->curs1),
1071 x, 0) - edit->curs1);
1072 }
1073 edit_set_markers (edit, 0, 0, 0, 0);
1074 edit_push_action (edit, COLUMN_ON);
1075 column_highlighting = 0;
1076 } else {
1077 copy_buf = g_malloc (end_mark - start_mark);
1078 edit_cursor_move (edit, start_mark - edit->curs1);
1079 edit_scroll_screen_over_cursor (edit);
1080 count = start_mark;
1081 while (count < end_mark) {
1082 copy_buf[end_mark - count - 1] = edit_delete (edit);
1083 count++;
1084 }
1085 edit_scroll_screen_over_cursor (edit);
1086 edit_cursor_move (edit,
1087 current - edit->curs1 -
1088 (((current - edit->curs1) >
1089 0) ? end_mark - start_mark : 0));
1090 edit_scroll_screen_over_cursor (edit);
1091 while (count-- > start_mark)
1092 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
1093 edit_set_markers (edit, edit->curs1,
1094 edit->curs1 + end_mark - start_mark, 0, 0);
1095 }
1096 edit_scroll_screen_over_cursor (edit);
1097 g_free (copy_buf);
1098 edit->force |= REDRAW_PAGE;
1099 }
1100
1101 static void
1102 edit_delete_column_of_text (WEdit * edit)
1103 {
1104 long p, q, r, m1, m2;
1105 int b, c, d;
1106 int n;
1107
1108 eval_marks (edit, &m1, &m2);
1109 n = edit_move_forward (edit, m1, 0, m2) + 1;
1110 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
1111 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
1112
1113 b = min (c, d);
1114 c = max (c, d);
1115
1116 while (n--) {
1117 r = edit_bol (edit, edit->curs1);
1118 p = edit_move_forward3 (edit, r, b, 0);
1119 q = edit_move_forward3 (edit, r, c, 0);
1120 if (p < m1)
1121 p = m1;
1122 if (q > m2)
1123 q = m2;
1124 edit_cursor_move (edit, p - edit->curs1);
1125 while (q > p) { /* delete line between margins */
1126 if (edit_get_byte (edit, edit->curs1) != '\n')
1127 edit_delete (edit);
1128 q--;
1129 }
1130 if (n) /* move to next line except on the last delete */
1131 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
1132 }
1133 }
1134
1135 /* if success return 0 */
1136 static int
1137 edit_block_delete (WEdit *edit)
1138 {
1139 long count;
1140 long start_mark, end_mark;
1141 if (eval_marks (edit, &start_mark, &end_mark))
1142 return 0;
1143 if (column_highlighting && edit->mark2 < 0)
1144 edit_mark_cmd (edit, 0);
1145 if ((end_mark - start_mark) > option_max_undo / 2) {
1146 /* Warning message with a query to continue or cancel the operation */
1147 if (edit_query_dialog2
1148 (_("Warning"),
1149 _
1150 (" Block is large, you may not be able to undo this action. "),
1151 _("C&ontinue"), _("&Cancel"))) {
1152 return 1;
1153 }
1154 }
1155 edit_push_markers (edit);
1156 edit_cursor_move (edit, start_mark - edit->curs1);
1157 edit_scroll_screen_over_cursor (edit);
1158 count = start_mark;
1159 if (start_mark < end_mark) {
1160 if (column_highlighting) {
1161 if (edit->mark2 < 0)
1162 edit_mark_cmd (edit, 0);
1163 edit_delete_column_of_text (edit);
1164 } else {
1165 while (count < end_mark) {
1166 edit_delete (edit);
1167 count++;
1168 }
1169 }
1170 }
1171 edit_set_markers (edit, 0, 0, 0, 0);
1172 edit->force |= REDRAW_PAGE;
1173 return 0;
1174 }
1175
1176 /* returns 1 if canceelled by user */
1177 int edit_block_delete_cmd (WEdit * edit)
1178 {
1179 long start_mark, end_mark;
1180 if (eval_marks (edit, &start_mark, &end_mark)) {
1181 edit_delete_line (edit);
1182 return 0;
1183 }
1184 return edit_block_delete (edit);
1185 }
1186
1187
1188 #define INPUT_INDEX 9
1189 #define SEARCH_DLG_WIDTH 58
1190 #define SEARCH_DLG_HEIGHT 10
1191 #define REPLACE_DLG_WIDTH 58
1192 #define REPLACE_DLG_HEIGHT 15
1193 #define CONFIRM_DLG_WIDTH 79
1194 #define CONFIRM_DLG_HEIGTH 6
1195 #define B_REPLACE_ALL (B_USER+1)
1196 #define B_REPLACE_ONE (B_USER+2)
1197 #define B_SKIP_REPLACE (B_USER+3)
1198
1199 static int
1200 edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos)
1201 {
1202 QuickWidget quick_widgets[] =
1203 {
1204 {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"),
1205 0, B_CANCEL, 0, 0, NULL},
1206 {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("O&ne"),
1207 0, B_REPLACE_ONE, 0, 0, NULL},
1208 {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("A&ll"),
1209 0, B_REPLACE_ALL, 0, 0, NULL},
1210 {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"),
1211 0, B_SKIP_REPLACE, 0, 0, NULL},
1212 {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"),
1213 0, B_ENTER, 0, 0, NULL},
1214 {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0,
1215 0, 0, 0, 0, 0},
1216 NULL_QuickWidget};
1217
1218 GString *label_text = g_string_new (_(" Replace with: "));
1219 if (*replace_text) {
1220 size_t label_len;
1221 label_len = label_text->len;
1222 g_string_append (label_text, replace_text);
1223 convert_to_display (label_text->str + label_len);
1224 }
1225 quick_widgets[5].text = label_text->str;
1226
1227 {
1228 int retval;
1229 QuickDialog Quick_input =
1230 {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "),
1231 "[Input Line Keys]", 0 /*quick_widgets */, 0 };
1232
1233 Quick_input.widgets = quick_widgets;
1234
1235 Quick_input.xpos = xpos;
1236
1237 /* Sometimes menu can hide replaced text. I don't like it */
1238
1239 if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1))
1240 ypos -= CONFIRM_DLG_HEIGTH;
1241
1242 Quick_input.ypos = ypos;
1243 retval = quick_dialog (&Quick_input);
1244 g_string_free (label_text, TRUE);
1245 return retval;
1246 }
1247 }
1248
1249 static void
1250 edit_replace_dialog (WEdit * edit, const char *search_default,
1251 const char *replace_default, const char *argorder_default,
1252 /*@out@*/ char **search_text, /*@out@*/ char **replace_text,
1253 /*@out@*/ char **arg_order)
1254 {
1255 int treplace_scanf = replace_scanf;
1256 int treplace_regexp = replace_regexp;
1257 int treplace_all = replace_all;
1258 int treplace_prompt = replace_prompt;
1259 int treplace_backwards = replace_backwards;
1260 int treplace_whole = replace_whole;
1261 int treplace_case = replace_case;
1262
1263 /* Alt-p is in use as hotkey for previous entry; don't use */
1264 QuickWidget quick_widgets[] =
1265 {
1266 {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1267 0, NULL},
1268 {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
1269 0, NULL},
1270 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1271 0, 0, NULL},
1272 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0,
1273 0, 0, NULL},
1274 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pro&Mpt on replace"), 0, 0,
1275 0, 0, NULL},
1276 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1277 0, 0, NULL},
1278 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1279 0, 0, NULL},
1280 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1281 0, 0, NULL},
1282 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1283 0, 0, NULL},
1284 {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1285 0, "edit-argord"},
1286 {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0,
1287 0, 0, 0},
1288 {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1289 0, "edit-replace"},
1290 {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0,
1291 0, 0},
1292 {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1293 0, "edit-search"},
1294 {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1295 0, 0},
1296 NULL_QuickWidget};
1297
1298 (void) edit;
1299
1300 quick_widgets[2].result = &treplace_scanf;
1301 quick_widgets[3].result = &treplace_all;
1302 quick_widgets[4].result = &treplace_prompt;
1303 quick_widgets[5].result = &treplace_backwards;
1304 quick_widgets[6].result = &treplace_regexp;
1305 quick_widgets[7].result = &treplace_whole;
1306 quick_widgets[8].result = &treplace_case;
1307 quick_widgets[9].str_result = arg_order;
1308 quick_widgets[9].text = argorder_default;
1309 quick_widgets[11].str_result = replace_text;
1310 quick_widgets[11].text = replace_default;
1311 quick_widgets[13].str_result = search_text;
1312 quick_widgets[13].text = search_default;
1313 {
1314 QuickDialog Quick_input =
1315 {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "),
1316 "[Input Line Keys]", 0 /*quick_widgets */, 0};
1317
1318 Quick_input.widgets = quick_widgets;
1319
1320 if (quick_dialog (&Quick_input) != B_CANCEL) {
1321 replace_scanf = treplace_scanf;
1322 replace_backwards = treplace_backwards;
1323 replace_regexp = treplace_regexp;
1324 replace_all = treplace_all;
1325 replace_prompt = treplace_prompt;
1326 replace_whole = treplace_whole;
1327 replace_case = treplace_case;
1328 return;
1329 } else {
1330 *arg_order = NULL;
1331 *replace_text = NULL;
1332 *search_text = NULL;
1333 return;
1334 }
1335 }
1336 }
1337
1338
1339 static void
1340 edit_search_dialog (WEdit * edit, char **search_text)
1341 {
1342 int treplace_scanf = replace_scanf;
1343 int treplace_regexp = replace_regexp;
1344 int treplace_whole = replace_whole;
1345 int treplace_case = replace_case;
1346 int treplace_backwards = replace_backwards;
1347
1348 QuickWidget quick_widgets[] =
1349 {
1350 {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1351 0, NULL},
1352 {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
1353 0, NULL},
1354 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1355 0, 0, NULL },
1356 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1357 0, 0, NULL},
1358 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1359 0, 0, NULL},
1360 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1361 0, 0, NULL},
1362 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1363 0, 0, NULL},
1364 {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0,
1365 0, "edit-search"},
1366 {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1367 0, 0},
1368 NULL_QuickWidget};
1369
1370 (void) edit;
1371
1372 quick_widgets[2].result = &treplace_scanf;
1373 quick_widgets[3].result = &treplace_backwards;
1374 quick_widgets[4].result = &treplace_regexp;
1375 quick_widgets[5].result = &treplace_whole;
1376 quick_widgets[6].result = &treplace_case;
1377 quick_widgets[7].str_result = search_text;
1378 quick_widgets[7].text = *search_text;
1379
1380 {
1381 QuickDialog Quick_input =
1382 {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_("Search"),
1383 "[Input Line Keys]", 0 /*quick_widgets */, 0};
1384
1385 Quick_input.widgets = quick_widgets;
1386
1387 if (quick_dialog (&Quick_input) != B_CANCEL) {
1388 replace_scanf = treplace_scanf;
1389 replace_backwards = treplace_backwards;
1390 replace_regexp = treplace_regexp;
1391 replace_whole = treplace_whole;
1392 replace_case = treplace_case;
1393 } else {
1394 *search_text = NULL;
1395 }
1396 }
1397 }
1398
1399
1400 static long sargs[NUM_REPL_ARGS][256 / sizeof (long)];
1401
1402 #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \
1403 sargs[4], sargs[5], sargs[6], sargs[7], \
1404 sargs[8], sargs[9], sargs[10], sargs[11], \
1405 sargs[12], sargs[13], sargs[14], sargs[15]
1406
1407 #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \
1408 sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \
1409 sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
1410 sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
1411
1412
1413 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
1414 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
1415 static int
1416 string_regexp_search (char *pattern, char *string, int match_type,
1417 int match_bol, int icase, int *found_len, void *d)
1418 {
1419 static regex_t r;
1420 static char *old_pattern = NULL;
1421 static int old_type, old_icase;
1422 regmatch_t *pmatch;
1423 static regmatch_t s[1];
1424
1425 pmatch = (regmatch_t *) d;
1426 if (!pmatch)
1427 pmatch = s;
1428
1429 if (!old_pattern || strcmp (old_pattern, pattern)
1430 || old_type != match_type || old_icase != icase) {
1431 if (old_pattern) {
1432 regfree (&r);
1433 g_free (old_pattern);
1434 old_pattern = 0;
1435 }
1436 if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0) |
1437 REG_NEWLINE)) {
1438 *found_len = 0;
1439 return -3;
1440 }
1441 old_pattern = g_strdup (pattern);
1442 old_type = match_type;
1443 old_icase = icase;
1444 }
1445 if (regexec
1446 (&r, string, d ? NUM_REPL_ARGS : 1, pmatch,
1447 ((match_bol
1448 || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) {
1449 *found_len = 0;
1450 return -1;
1451 }
1452 *found_len = pmatch[0].rm_eo - pmatch[0].rm_so;
1453 return (pmatch[0].rm_so);
1454 }
1455
1456 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1457 (and the above) routines to work properly - paul */
1458
1459 typedef int (*edit_getbyte_fn) (WEdit *, long);
1460
1461 static long
1462 edit_find_string (long start, unsigned char *exp, int *len, long last_byte, edit_getbyte_fn get_byte, void *data, int once_only, void *d)
1463 {
1464 long p, q = 0;
1465 long l = strlen ((char *) exp), f = 0;
1466 int n = 0;
1467
1468 for (p = 0; p < l; p++) /* count conversions... */
1469 if (exp[p] == '%')
1470 if (exp[++p] != '%') /* ...except for "%%" */
1471 n++;
1472
1473 if (replace_scanf || replace_regexp) {
1474 int c;
1475 unsigned char *buf;
1476 unsigned char mbuf[MAX_REPL_LEN * 2 + 3];
1477
1478 replace_scanf = (!replace_regexp); /* can't have both */
1479
1480 buf = mbuf;
1481
1482 if (replace_scanf) {
1483 unsigned char e[MAX_REPL_LEN];
1484 if (n >= NUM_REPL_ARGS)
1485 return -3;
1486
1487 if (replace_case) {
1488 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++)
1489 buf[p - start] = (*get_byte) (data, p);
1490 } else {
1491 for (p = 0; exp[p] != 0; p++)
1492 exp[p] = my_lower_case (exp[p]);
1493 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) {
1494 c = (*get_byte) (data, p);
1495 buf[p - start] = my_lower_case (c);
1496 }
1497 }
1498
1499 buf[(q = p - start)] = 0;
1500 strcpy ((char *) e, (char *) exp);
1501 strcat ((char *) e, "%n");
1502 exp = e;
1503
1504 while (q) {
1505 *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */
1506 if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) {
1507 if (*((int *) sargs[n])) {
1508 *len = *((int *) sargs[n]);
1509 return start;
1510 }
1511 }
1512 if (once_only)
1513 return -2;
1514 if (q + start < last_byte) {
1515 if (replace_case) {
1516 buf[q] = (*get_byte) (data, q + start);
1517 } else {
1518 c = (*get_byte) (data, q + start);
1519 buf[q] = my_lower_case (c);
1520 }
1521 q++;
1522 }
1523 buf[q] = 0;
1524 start++;
1525 buf++; /* move the window along */
1526 if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */
1527 memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */
1528 buf = mbuf;
1529 }
1530 q--;
1531 }
1532 } else { /* regexp matching */
1533 long offset = 0;
1534 int found_start, match_bol, move_win = 0;
1535
1536 while (start + offset < last_byte) {
1537 match_bol = (start == 0 || (*get_byte) (data, start + offset - 1) == '\n');
1538 if (!move_win) {
1539 p = start + offset;
1540 q = 0;
1541 }
1542 for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) {
1543 mbuf[q] = (*get_byte) (data, p);
1544 if (mbuf[q] == '\n') {
1545 q++;
1546 break;
1547 }
1548 }
1549 offset += q;
1550 mbuf[q] = 0;
1551
1552 buf = mbuf;
1553 while (q) {
1554 found_start = string_regexp_search ((char *) exp, (char *) buf, match_normal, match_bol, !replace_case, len, d);
1555
1556 if (found_start <= -2) { /* regcomp/regexec error */
1557 *len = 0;
1558 return -3;
1559 }
1560 else if (found_start == -1) /* not found: try next line */
1561 break;
1562 else if (*len == 0) { /* null pattern: try again at next character */
1563 q--;
1564 buf++;
1565 match_bol = 0;
1566 continue;
1567 }
1568 else /* found */
1569 return (start + offset - q + found_start);
1570 }
1571 if (once_only)
1572 return -2;
1573
1574 if (buf[q - 1] != '\n') { /* incomplete line: try to recover */
1575 buf = mbuf + MAX_REPL_LEN / 2;
1576 q = strlen ((const char *) buf);
1577 memmove (mbuf, buf, q);
1578 p = start + q;
1579 move_win = 1;
1580 }
1581 else
1582 move_win = 0;
1583 }
1584 }
1585 } else {
1586 *len = strlen ((const char *) exp);
1587 if (replace_case) {
1588 for (p = start; p <= last_byte - l; p++) {
1589 if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */
1590 for (f = 0, q = 0; q < l && f < 1; q++)
1591 if ((*get_byte) (data, q + p) != (unsigned char)exp[q])
1592 f = 1;
1593 if (f == 0)
1594 return p;
1595 }
1596 if (once_only)
1597 return -2;
1598 }
1599 } else {
1600 for (p = 0; exp[p] != 0; p++)
1601 exp[p] = my_lower_case (exp[p]);
1602
1603 for (p = start; p <= last_byte - l; p++) {
1604 if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) {
1605 for (f = 0, q = 0; q < l && f < 1; q++)
1606 if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q])
1607 f = 1;
1608 if (f == 0)
1609 return p;
1610 }
1611 if (once_only)
1612 return -2;
1613 }
1614 }
1615 }
1616 return -2;
1617 }
1618
1619
1620 static long
1621 edit_find_forwards (long search_start, unsigned char *exp, int *len, long last_byte, edit_getbyte_fn get_byte, void *data, int once_only, void *d)
1622 { /*front end to find_string to check for
1623 whole words */
1624 long p;
1625 p = search_start;
1626
1627 while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) {
1628 if (replace_whole) {
1629 /*If the bordering chars are not in option_whole_chars_search then word is whole */
1630 if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1))
1631 && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len)))
1632 return p;
1633 if (once_only)
1634 return -2;
1635 } else
1636 return p;
1637 if (once_only)
1638 break;
1639 p++; /*not a whole word so continue search. */
1640 }
1641 return p;
1642 }
1643
1644 static long
1645 edit_find (long search_start, unsigned char *exp, int *len, long last_byte, edit_getbyte_fn get_byte, void *data, void *d)
1646 {
1647 long p;
1648 if (replace_backwards) {
1649 while (search_start >= 0) {
1650 p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d);
1651 if (p == search_start)
1652 return p;
1653 search_start--;
1654 }
1655 } else {
1656 return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d);
1657 }
1658 return -2;
1659 }
1660
1661 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1662
1663 #define snprint(v) { \
1664 *p1++ = *p++; \
1665 *p1 = '\0'; \
1666 n = snprintf(s,e-s,q1,v); \
1667 if (n >= (size_t) (e - s)) goto nospc; \
1668 s += n; \
1669 }
1670
1671 /* this function uses the sprintf command to do a vprintf */
1672 /* it takes pointers to arguments instead of the arguments themselves */
1673 /* The return value is the number of bytes written excluding '\0'
1674 if successfull, -1 if the resulting string would be too long and
1675 -2 if the format string is errorneous. */
1676 static int snprintf_p (char *str, size_t size, const char *fmt,...)
1677 __attribute__ ((format (printf, 3, 4)));
1678
1679 static int snprintf_p (char *str, size_t size, const char *fmt,...)
1680 {
1681 va_list ap;
1682 size_t n;
1683 const char *q, *p;
1684 char *s = str, *e = str + size;
1685 char q1[40];
1686 char *p1;
1687 int nargs = 0;
1688
1689 va_start (ap, fmt);
1690 p = q = fmt;
1691
1692 while ((p = strchr (p, '%'))) {
1693 n = p - q;
1694 if (n >= (size_t) (e - s))
1695 goto nospc;
1696 memcpy (s, q, n); /* copy stuff between format specifiers */
1697 s += n;
1698 q = p;
1699 p1 = q1;
1700 *p1++ = *p++;
1701 if (*p == '%') {
1702 p++;
1703 *s++ = '%';
1704 if (s == e)
1705 goto nospc;
1706 q = p;
1707 continue;
1708 }
1709 if (*p == 'n')
1710 goto err;
1711 /* We were passed only 16 arguments. */
1712 if (++nargs == 16)
1713 goto err;
1714 if (*p == '#')
1715 *p1++ = *p++;
1716 if (*p == '0')
1717 *p1++ = *p++;
1718 if (*p == '-')
1719 *p1++ = *p++;
1720 if (*p == '+')
1721 *p1++ = *p++;
1722 if (*p == '*') {
1723 p++;
1724 strcpy (p1, MY_itoa (*va_arg (ap, int *))); /* replace field width with a number */
1725 p1 += strlen (p1);
1726 } else {
1727 while (is_digit (*p) && p1 < q1 + 20)
1728 *p1++ = *p++;
1729 if (is_digit (*p))
1730 goto err;
1731 }
1732 if (*p == '.')
1733 *p1++ = *p++;
1734 if (*p == '*') {
1735 p++;
1736 strcpy (p1, MY_itoa (*va_arg (ap, int *))); /* replace precision with a number */
1737 p1 += strlen (p1);
1738 } else {
1739 while (is_digit (*p) && p1 < q1 + 32)
1740 *p1++ = *p++;
1741 if (is_digit (*p))
1742 goto err;
1743 }
1744 /* flags done, now get argument */
1745 if (*p == 's') {
1746 snprint (va_arg (ap, char *));
1747 } else if (*p == 'h') {
1748 if (strchr ("diouxX", *p))
1749 snprint (*va_arg (ap, short *));
1750 } else if (*p == 'l') {
1751 *p1++ = *p++;
1752 if (strchr ("diouxX", *p))
1753 snprint (*va_arg (ap, long *));
1754 } else if (strchr ("cdiouxX", *p)) {
1755 snprint (*va_arg (ap, int *));
1756 } else if (*p == 'L') {
1757 *p1++ = *p++;
1758 if (strchr ("EefgG", *p))
1759 snprint (*va_arg (ap, double *)); /* should be long double */
1760 } else if (strchr ("EefgG", *p)) {
1761 snprint (*va_arg (ap, double *));
1762 } else if (strchr ("DOU", *p)) {
1763 snprint (*va_arg (ap, long *));
1764 } else if (*p == 'p') {
1765 snprint (*va_arg (ap, void **));
1766 } else
1767 goto err;
1768 q = p;
1769 }
1770 va_end (ap);
1771 n = strlen (q);
1772 if (n >= (size_t) (e - s))
1773 return -1;
1774 memcpy (s, q, n + 1);
1775 return s + n - str;
1776 nospc:
1777 va_end (ap);
1778 return -1;
1779 err:
1780 va_end (ap);
1781 return -2;
1782 }
1783
1784 static void regexp_error (WEdit *edit)
1785 {
1786 (void) edit;
1787 edit_error_dialog (_("Error"), _(" Invalid regular expression, or scanf expression with too many conversions "));
1788 }
1789
1790 /* call with edit = 0 before shutdown to close memory leaks */
1791 void
1792 edit_replace_cmd (WEdit *edit, int again)
1793 {
1794 static regmatch_t pmatch[NUM_REPL_ARGS];
1795 /* 1 = search string, 2 = replace with, 3 = argument order */
1796 static char *saved1 = NULL; /* saved default[123] */
1797 static char *saved2 = NULL;
1798 static char *saved3 = NULL;
1799 char *input1 = NULL; /* user input from the dialog */
1800 char *input2 = NULL;
1801 char *input3 = NULL;
1802 int replace_yes;
1803 int replace_continue;
1804 int treplace_prompt = 0;
1805 long times_replaced = 0, last_search;
1806 int argord[NUM_REPL_ARGS];
1807
1808 if (!edit) {
1809 g_free (saved1), saved1 = NULL;
1810 g_free (saved2), saved2 = NULL;
1811 g_free (saved3), saved3 = NULL;
1812 return;
1813 }
1814
1815 last_search = edit->last_byte;
1816
1817 edit->force |= REDRAW_COMPLETELY;
1818
1819 if (again && !saved1 && !saved2)
1820 again = 0;
1821
1822 if (again) {
1823 input1 = g_strdup (saved1 ? saved1 : "");
1824 input2 = g_strdup (saved2 ? saved2 : "");
1825 input3 = g_strdup (saved3 ? saved3 : "");
1826 } else {
1827 char *disp1 = g_strdup (saved1 ? saved1 : "");
1828 char *disp2 = g_strdup (saved2 ? saved2 : "");
1829 char *disp3 = g_strdup (saved3 ? saved3 : "");
1830
1831 convert_to_display (disp1);
1832 convert_to_display (disp2);
1833 convert_to_display (disp3);
1834
1835 edit_push_action (edit, KEY_PRESS + edit->start_display);
1836 edit_replace_dialog (edit, disp1, disp2, disp3, &input1, &input2,
1837 &input3);
1838
1839 g_free (disp1);
1840 g_free (disp2);
1841 g_free (disp3);
1842
1843 convert_from_input (input1);
1844 convert_from_input (input2);
1845 convert_from_input (input3);
1846
1847 treplace_prompt = replace_prompt;
1848 if (input1 == NULL || *input1 == '\0') {
1849 edit->force = REDRAW_COMPLETELY;
1850 goto cleanup;
1851 }
1852
1853 g_free (saved1), saved1 = mhl_str_dup (input1);
1854 g_free (saved2), saved2 = mhl_str_dup (input2);
1855 g_free (saved3), saved3 = mhl_str_dup (input3);
1856 }
1857
1858 {
1859 const char *s;
1860 int ord;
1861 size_t i;
1862
1863 s = input3;
1864 for (i = 0; i < NUM_REPL_ARGS; i++) {
1865 if (s != NULL && *s != '\0') {
1866 ord = atoi (s);
1867 if ((ord > 0) && (ord <= NUM_REPL_ARGS))
1868 argord[i] = ord - 1;
1869 else
1870 argord[i] = i;
1871 s = strchr (s, ',');
1872 if (s != NULL)
1873 s++;
1874 } else
1875 argord[i] = i;
1876 }
1877 }
1878
1879 replace_continue = replace_all;
1880
1881 if (edit->found_len && edit->search_start == edit->found_start + 1
1882 && replace_backwards)
1883 edit->search_start--;
1884
1885 if (edit->found_len && edit->search_start == edit->found_start - 1
1886 && !replace_backwards)
1887 edit->search_start++;
1888
1889 do {
1890 int len = 0;
1891 long new_start;
1892 new_start =
1893 edit_find (edit->search_start, (unsigned char *) input1, &len,
1894 last_search, edit_get_byte, (void *) edit, pmatch);
1895 if (new_start == -3) {
1896 regexp_error (edit);
1897 break;
1898 }
1899 edit->search_start = new_start;
1900 /*returns negative on not found or error in pattern */
1901
1902 if (edit->search_start >= 0) {
1903 int i;
1904
1905 edit->found_start = edit->search_start;
1906 i = edit->found_len = len;
1907
1908 edit_cursor_move (edit, edit->search_start - edit->curs1);
1909 edit_scroll_screen_over_cursor (edit);
1910
1911 replace_yes = 1;
1912
1913 if (treplace_prompt) {
1914 int l;
1915 l = edit->curs_row - edit->num_widget_lines / 3;
1916 if (l > 0)
1917 edit_scroll_downward (edit, l);
1918 if (l < 0)
1919 edit_scroll_upward (edit, -l);
1920
1921 edit_scroll_screen_over_cursor (edit);
1922 edit->force |= REDRAW_PAGE;
1923 edit_render_keypress (edit);
1924
1925 /*so that undo stops at each query */
1926 edit_push_key_press (edit);
1927
1928 switch (edit_replace_prompt (edit, input2, /* and prompt 2/3 down */
1929 (edit->num_widget_columns -
1930 CONFIRM_DLG_WIDTH) / 2,
1931 edit->num_widget_lines * 2 /
1932 3)) {
1933 case B_ENTER:
1934 break;
1935 case B_SKIP_REPLACE:
1936 replace_yes = 0;
1937 break;
1938 case B_REPLACE_ALL:
1939 treplace_prompt = 0;
1940 replace_continue = 1;
1941 break;
1942 case B_REPLACE_ONE:
1943 replace_continue = 0;
1944 break;
1945 case B_CANCEL:
1946 replace_yes = 0;
1947 replace_continue = 0;
1948 break;
1949 }
1950 }
1951 if (replace_yes) { /* delete then insert new */
1952 if (replace_scanf) {
1953 char repl_str[MAX_REPL_LEN + 2];
1954 int ret = 0;
1955
1956 /* we need to fill in sargs just like with scanf */
1957 if (replace_regexp) {
1958 int k, j;
1959 for (k = 1;
1960 k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0;
1961 k++) {
1962 unsigned char *t;
1963
1964 if (pmatch[k].rm_eo - pmatch[k].rm_so > 255) {
1965 ret = -1;
1966 break;
1967 }
1968 t = (unsigned char *) &sargs[k - 1][0];
1969 for (j = 0;
1970 j < pmatch[k].rm_eo - pmatch[k].rm_so
1971 && j < 255; j++, t++)
1972 *t = (unsigned char) edit_get_byte (edit,
1973 edit->
1974 search_start
1975 -
1976 pmatch
1977 [0].
1978 rm_so +
1979 pmatch
1980 [k].
1981 rm_so +
1982 j);
1983 *t = '\0';
1984 }
1985 for (; k <= NUM_REPL_ARGS; k++)
1986 sargs[k - 1][0] = 0;
1987 }
1988 if (!ret)
1989 ret =
1990 snprintf_p (repl_str, MAX_REPL_LEN + 2, input2,
1991 PRINTF_ARGS);
1992 if (ret >= 0) {
1993 times_replaced++;
1994 while (i--)
1995 edit_delete (edit);
1996 while (repl_str[++i])
1997 edit_insert (edit, repl_str[i]);
1998 } else {
1999 edit_error_dialog (_(" Replace "),
2000 ret ==
2001 -2 ?
2002 _
2003 (" Error in replacement format string. ")
2004 : _(" Replacement too long. "));
2005 replace_continue = 0;
2006 }
2007 } else {
2008 times_replaced++;
2009 while (i--)
2010 edit_delete (edit);
2011 while (input2[++i])
2012 edit_insert (edit, input2[i]);
2013 }
2014 edit->found_len = i;
2015 }
2016 /* so that we don't find the same string again */
2017 if (replace_backwards) {
2018 last_search = edit->search_start;
2019 edit->search_start--;
2020 } else {
2021 edit->search_start += i;
2022 last_search = edit->last_byte;
2023 }
2024 edit_scroll_screen_over_cursor (edit);
2025 } else {
2026 const char *msg = _(" Replace ");
2027 /* try and find from right here for next search */
2028 edit->search_start = edit->curs1;
2029 edit_update_curs_col (edit);
2030
2031 edit->force |= REDRAW_PAGE;
2032 edit_render_keypress (edit);
2033 if (times_replaced) {
2034 message (D_NORMAL, msg, _(" %ld replacements made. "),
2035 times_replaced);
2036 } else
2037 query_dialog (msg, _(" Search string not found "),
2038 D_NORMAL, 1, _("&OK"));
2039 replace_continue = 0;
2040 }
2041 } while (replace_continue);
2042
2043 edit->force = REDRAW_COMPLETELY;
2044 edit_scroll_screen_over_cursor (edit);
2045 cleanup:
2046 g_free (input1);
2047 g_free (input2);
2048 g_free (input3);
2049 }
2050
2051
2052
2053
2054 void edit_search_cmd (WEdit * edit, int again)
2055 {
2056 static char *old = NULL;
2057 char *exp = "";
2058
2059 if (!edit) {
2060 g_free (old);
2061 old = NULL;
2062 return;
2063 }
2064
2065 exp = old ? old : exp;
2066 if (again) { /*ctrl-hotkey for search again. */
2067 if (!old)
2068 return;
2069 exp = g_strdup (old);
2070 } else {
2071
2072 #ifdef HAVE_CHARSET
2073 if (exp && *exp)
2074 convert_to_display (exp);
2075 #endif /* HAVE_CHARSET */
2076
2077 edit_search_dialog (edit, &exp);
2078
2079 #ifdef HAVE_CHARSET
2080 if (exp && *exp)
2081 convert_from_input (exp);
2082 #endif /* HAVE_CHARSET */
2083
2084 edit_push_action (edit, KEY_PRESS + edit->start_display);
2085 }
2086
2087 if (exp) {
2088 if (*exp) {
2089 int len = 0;
2090 g_free (old);
2091 old = g_strdup (exp);
2092
2093 if (search_create_bookmark) {
2094 int found = 0, books = 0;
2095 int l = 0, l_last = -1;
2096 long p, q = 0;
2097 for (;;) {
2098 p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte,
2099 edit_get_byte, (void *) edit, 0);
2100 if (p < 0)
2101 break;
2102 found++;
2103 l += edit_count_lines (edit, q, p);
2104 if (l != l_last) {
2105 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
2106 books++;
2107 }
2108 l_last = l;
2109 q = p + 1;
2110 }
2111 if (found) {
2112 /* in response to number of bookmarks added because of string being found %d times */
2113 message (D_NORMAL, _("Search"), _(" %d items found, %d bookmarks added "), found, books);
2114 } else {
2115 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
2116 }
2117 } else {
2118
2119 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
2120 edit->search_start--;
2121
2122 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
2123 edit->search_start++;
2124
2125 edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte,
2126 edit_get_byte, (void *) edit, 0);
2127
2128 if (edit->search_start >= 0) {
2129 edit->found_start = edit->search_start;
2130 edit->found_len = len;
2131
2132 edit_cursor_move (edit, edit->search_start - edit->curs1);
2133 edit_scroll_screen_over_cursor (edit);
2134 if (replace_backwards)
2135 edit->search_start--;
2136 else
2137 edit->search_start++;
2138 } else if (edit->search_start == -3) {
2139 edit->search_start = edit->curs1;
2140 regexp_error (edit);
2141 } else {
2142 edit->search_start = edit->curs1;
2143 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
2144 }
2145 }
2146 }
2147 g_free (exp);
2148 }
2149 edit->force |= REDRAW_COMPLETELY;
2150 edit_scroll_screen_over_cursor (edit);
2151 }
2152
2153
2154 /*
2155 * Check if it's OK to close the editor. If there are unsaved changes,
2156 * ask user. Return 1 if it's OK to exit, 0 to continue editing.
2157 */
2158 int
2159 edit_ok_to_exit (WEdit *edit)
2160 {
2161 if (!edit->modified)
2162 return 1;
2163
2164 switch (edit_query_dialog3
2165 (_("Quit"), _(" File was modified, Save with exit? "),
2166 _("&Cancel quit"), _("&Yes"), _("&No"))) {
2167 case 1:
2168 edit_push_markers (edit);
2169 edit_set_markers (edit, 0, 0, 0, 0);
2170 if (!edit_save_cmd (edit))
2171 return 0;
2172 break;
2173 case 2:
2174 break;
2175 case 0:
2176 case -1:
2177 return 0;
2178 }
2179
2180 return 1;
2181 }
2182
2183
2184 #define TEMP_BUF_LEN 1024
2185
2186 /* Return a null terminated length of text. Result must be g_free'd */
2187 static unsigned char *
2188 edit_get_block (WEdit *edit, long start, long finish, int *l)
2189 {
2190 unsigned char *s, *r;
2191 r = s = g_malloc (finish - start + 1);
2192 if (column_highlighting) {
2193 *l = 0;
2194 /* copy from buffer, excluding chars that are out of the column 'margins' */
2195 while (start < finish) {
2196 int c, x;
2197 x = edit_move_forward3 (edit, edit_bol (edit, start), 0,
2198 start);
2199 c = edit_get_byte (edit, start);
2200 if ((x >= edit->column1 && x < edit->column2)
2201 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
2202 *s++ = c;
2203 (*l)++;
2204 }
2205 start++;
2206 }
2207 } else {
2208 *l = finish - start;
2209 while (start < finish)
2210 *s++ = edit_get_byte (edit, start++);
2211 }
2212 *s = 0;
2213 return r;
2214 }
2215
2216 /* save block, returns 1 on success */
2217 int
2218 edit_save_block (WEdit * edit, const char *filename, long start,
2219 long finish)
2220 {
2221 int len, file;
2222
2223 if ((file =
2224 mc_open (filename, O_CREAT | O_WRONLY | O_TRUNC,
2225 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1)
2226 return 0;
2227
2228 if (column_highlighting) {
2229 unsigned char *block, *p;
2230 int r;
2231 p = block = edit_get_block (edit, start, finish, &len);
2232 while (len) {
2233 r = mc_write (file, p, len);
2234 if (r < 0)
2235 break;
2236 p += r;
2237 len -= r;
2238 }
2239 g_free (block);
2240 } else {
2241 unsigned char *buf;
2242 int i = start, end;
2243 len = finish - start;
2244 buf = g_malloc (TEMP_BUF_LEN);
2245 while (start != finish) {
2246 end = min (finish, start + TEMP_BUF_LEN);
2247 for (; i < end; i++)
2248 buf[i - start] = edit_get_byte (edit, i);
2249 len -= mc_write (file, (char *) buf, end - start);
2250 start = end;
2251 }
2252 g_free (buf);
2253 }
2254 mc_close (file);
2255 if (len)
2256 return 0;
2257 return 1;
2258 }
2259
2260 /* copies a block to clipboard file */
2261 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
2262 {
2263 return edit_save_block (edit, catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL), start, finish);
2264 }
2265
2266
2267 void edit_paste_from_history (WEdit *edit)
2268 {
2269 (void) edit;
2270 edit_error_dialog (_(" Error "), _(" This function is not implemented. "));
2271 }
2272
2273 int edit_copy_to_X_buf_cmd (WEdit * edit)
2274 {
2275 long start_mark, end_mark;
2276 if (eval_marks (edit, &start_mark, &end_mark))
2277 return 0;
2278 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2279 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
2280 return 1;
2281 }
2282 edit_mark_cmd (edit, 1);
2283 return 0;
2284 }
2285
2286 int edit_cut_to_X_buf_cmd (WEdit * edit)
2287 {
2288 long start_mark, end_mark;
2289 if (eval_marks (edit, &start_mark, &end_mark))
2290 return 0;
2291 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2292 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
2293 return 1;
2294 }
2295 edit_block_delete_cmd (edit);
2296 edit_mark_cmd (edit, 1);
2297 return 0;
2298 }
2299
2300 void edit_paste_from_X_buf_cmd (WEdit * edit)
2301 {
2302 edit_insert_file (edit, catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL));
2303 }
2304
2305
2306 /*
2307 * Ask user for the line and go to that line.
2308 * Negative numbers mean line from the end (i.e. -1 is the last line).
2309 */
2310 void
2311 edit_goto_cmd (WEdit *edit)
2312 {
2313 char *f;
2314 static long line = 0; /* line as typed, saved as default */
2315 long l;
2316 char *error;
2317 char s[32];
2318
2319 g_snprintf (s, sizeof (s), "%ld", line);
2320 f = input_dialog (_(" Goto line "), _(" Enter line: "), MC_HISTORY_EDIT_GOTO_LINE,
2321 line ? s : "");
2322 if (!f)
2323 return;
2324
2325 if (!*f) {
2326 g_free (f);
2327 return;
2328 }
2329
2330 l = strtol (f, &error, 0);
2331 if (*error) {
2332 g_free (f);
2333 return;
2334 }
2335
2336 line = l;
2337 if (l < 0)
2338 l = edit->total_lines + l + 2;
2339 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
2340 edit_move_to_line (edit, l - 1);
2341 edit->force |= REDRAW_COMPLETELY;
2342 g_free (f);
2343 }
2344
2345
2346 /* Return 1 on success */
2347 int
2348 edit_save_block_cmd (WEdit *edit)
2349 {
2350 long start_mark, end_mark;
2351 char *exp;
2352 if (eval_marks (edit, &start_mark, &end_mark))
2353 return 1;
2354 exp =
2355 input_expand_dialog (_(" Save Block "), _(" Enter file name: "),
2356 MC_HISTORY_EDIT_SAVE_BLOCK,
2357 catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL));
2358 edit_push_action (edit, KEY_PRESS + edit->start_display);
2359 if (exp) {
2360 if (!*exp) {
2361 g_free (exp);
2362 return 0;
2363 } else {
2364 if (edit_save_block (edit, exp, start_mark, end_mark)) {
2365 g_free (exp);
2366 edit->force |= REDRAW_COMPLETELY;
2367 return 1;
2368 } else {
2369 g_free (exp);
2370 edit_error_dialog (_(" Save Block "),
2371 get_sys_error (_
2372 (" Cannot save file. ")));
2373 }
2374 }
2375 }
2376 edit->force |= REDRAW_COMPLETELY;
2377 return 0;
2378 }
2379
2380
2381 /* returns 1 on success */
2382 int
2383 edit_insert_file_cmd (WEdit *edit)
2384 {
2385 char *exp = input_expand_dialog (_(" Insert File "), _(" Enter file name: "),
2386 MC_HISTORY_EDIT_INSERT_FILE,
2387 catstrs (home_dir, PATH_SEP_STR CLIP_FILE, (char *) NULL));
2388 edit_push_action (edit, KEY_PRESS + edit->start_display);
2389 if (exp) {
2390 if (!*exp) {
2391 g_free (exp);
2392 return 0;
2393 } else {
2394 if (edit_insert_file (edit, exp)) {
2395 g_free (exp);
2396 edit->force |= REDRAW_COMPLETELY;
2397 return 1;
2398 } else {
2399 g_free (exp);
2400 edit_error_dialog (_(" Insert File "),
2401 get_sys_error (_
2402 (" Cannot insert file. ")));
2403 }
2404 }
2405 }
2406 edit->force |= REDRAW_COMPLETELY;
2407 return 0;
2408 }
2409
2410 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
2411 int edit_sort_cmd (WEdit * edit)
2412 {
2413 static char *old = 0;
2414 char *exp;
2415 long start_mark, end_mark;
2416 int e;
2417
2418 if (eval_marks (edit, &start_mark, &end_mark)) {
2419 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
2420 return 0;
2421 }
2422 edit_save_block (edit, catstrs (home_dir, PATH_SEP_STR BLOCK_FILE, (char *) NULL), start_mark, end_mark);
2423
2424 exp = input_dialog (_(" Run Sort "),
2425 _(" Enter sort options (see manpage) separated by whitespace: "),
2426 MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "");
2427
2428 if (!exp)
2429 return 1;
2430 g_free (old);
2431 old = exp;
2432
2433 e = system (catstrs (" sort ", exp, " ", home_dir, PATH_SEP_STR BLOCK_FILE, " > ", home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2434 if (e) {
2435 if (e == -1 || e == 127) {
2436 edit_error_dialog (_(" Sort "),
2437 get_sys_error (_(" Cannot execute sort command ")));
2438 } else {
2439 char q[8];
2440 sprintf (q, "%d ", e);
2441 edit_error_dialog (_(" Sort "),
2442 catstrs (_(" Sort returned non-zero: "), q, (char *) NULL));
2443 }
2444 return -1;
2445 }
2446
2447 edit->force |= REDRAW_COMPLETELY;
2448
2449 if (edit_block_delete_cmd (edit))
2450 return 1;
2451 edit_insert_file (edit, catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2452 return 0;
2453 }
2454
2455 /*
2456 * Ask user for a command, execute it and paste its output back to the
2457 * editor.
2458 */
2459 int
2460 edit_ext_cmd (WEdit *edit)
2461 {
2462 char *exp;
2463 int e;
2464
2465 exp =
2466 input_dialog (_("Paste output of external command"),
2467 _("Enter shell command(s):"),
2468 MC_HISTORY_EDIT_PASTE_EXTCMD, NULL);
2469
2470 if (!exp)
2471 return 1;
2472
2473 e = system (catstrs (exp, " > ", home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2474 g_free (exp);
2475
2476 if (e) {
2477 edit_error_dialog (_("External command"),
2478 get_sys_error (_("Cannot execute command")));
2479 return -1;
2480 }
2481
2482 edit->force |= REDRAW_COMPLETELY;
2483
2484 edit_insert_file (edit, catstrs (home_dir, PATH_SEP_STR TEMP_FILE, (char *) NULL));
2485 return 0;
2486 }
2487
2488 /* if block is 1, a block must be highlighted and the shell command
2489 processes it. If block is 0 the shell command is a straight system
2490 command, that just produces some output which is to be inserted */
2491 void
2492 edit_block_process_cmd (WEdit *edit, const char *shell_cmd, int block)
2493 {
2494 long start_mark, end_mark;
2495 char buf[BUFSIZ];
2496 FILE *script_home = NULL;
2497 FILE *script_src = NULL;
2498 FILE *block_file = NULL;
2499 const char *o = NULL;
2500 const char *h = NULL;
2501 const char *b = NULL;
2502 char *quoted_name = NULL;
2503
2504 o = catstrs (mc_home, shell_cmd, (char *) NULL); /* original source script */
2505 h = catstrs (home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, (char *) NULL); /* home script */
2506 b = catstrs (home_dir, PATH_SEP_STR BLOCK_FILE, (char *) NULL); /* block file */
2507
2508 if (!(script_home = fopen (h, "r"))) {
2509 if (!(script_home = fopen (h, "w"))) {
2510 edit_error_dialog ("", get_sys_error (catstrs
2511 (_
2512 ("Error creating script:"),
2513 h, (char *) NULL)));
2514 return;
2515 }
2516 if (!(script_src = fopen (o, "r"))) {
2517 fclose (script_home);
2518 unlink (h);
2519 edit_error_dialog ("", get_sys_error (catstrs
2520 (_("Error reading script:"),
2521 o, (char *) NULL)));
2522 return;
2523 }
2524 while (fgets (buf, sizeof (buf), script_src))
2525 fputs (buf, script_home);
2526 if (fclose (script_home)) {
2527 edit_error_dialog ("", get_sys_error (catstrs
2528 (_
2529 ("Error closing script:"),
2530 h, (char *) NULL)));
2531 return;
2532 }
2533 chmod (h, 0700);
2534 edit_error_dialog ("", get_sys_error (catstrs
2535 (_("Script created:"), h, (char *) NULL)));
2536 }
2537
2538 open_error_pipe ();
2539
2540 if (block) { /* for marked block run indent formatter */
2541 if (eval_marks (edit, &start_mark, &end_mark)) {
2542 edit_error_dialog (_("Process block"),
2543 _
2544 (" You must first highlight a block of text. "));
2545 return;
2546 }
2547 edit_save_block (edit, b, start_mark, end_mark);
2548 quoted_name = name_quote (edit->filename, 0);
2549 /*
2550 * Run script.
2551 * Initial space is to avoid polluting bash history.
2552 * Arguments:
2553 * $1 - name of the edited file (to check its extension etc).
2554 * $2 - file containing the current block.
2555 * $3 - file where error messages should be put
2556 * (for compatibility with old scripts).
2557 */
2558 system (catstrs (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ", quoted_name,
2559 " ", home_dir, PATH_SEP_STR BLOCK_FILE " /dev/null", (char *) NULL));
2560
2561 } else {
2562 /*
2563 * No block selected, just execute the command for the file.
2564 * Arguments:
2565 * $1 - name of the edited file.
2566 */
2567 system (catstrs (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ",
2568 quoted_name, (char *) NULL));
2569 }
2570 g_free (quoted_name);
2571 close_error_pipe (D_NORMAL, NULL);
2572
2573 edit_refresh_cmd (edit);
2574 edit->force |= REDRAW_COMPLETELY;
2575
2576 /* insert result block */
2577 if (block) {
2578 if (edit_block_delete_cmd (edit))
2579 return;
2580 edit_insert_file (edit, b);
2581 if ((block_file = fopen (b, "w")))
2582 fclose (block_file);
2583 return;
2584 }
2585
2586 return;
2587 }
2588
2589 /* prints at the cursor */
2590 /* returns the number of chars printed */
2591 int edit_print_string (WEdit * e, const char *s)
2592 {
2593 int i = 0;
2594 while (s[i])
2595 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2596 e->force |= REDRAW_COMPLETELY;
2597 edit_update_screen (e);
2598 return i;
2599 }
2600
2601
2602 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2603 {
2604 FILE *p = 0;
2605 char *s;
2606
2607 to = name_quote (to, 0);
2608 subject = name_quote (subject, 0);
2609 cc = name_quote (cc, 0);
2610 s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "" , cc, " ", to, (char *) NULL);
2611 g_free (to);
2612 g_free (subject);
2613 g_free (cc);
2614
2615 if (s) {
2616 p = popen (s, "w");
2617 g_free (s);
2618 }
2619
2620 if (p) {
2621 long i;
2622 for (i = 0; i < edit->last_byte; i++)
2623 fputc (edit_get_byte (edit, i), p);
2624 pclose (p);
2625 }
2626 }
2627
2628 #define MAIL_DLG_HEIGHT 12
2629
2630 void edit_mail_dialog (WEdit * edit)
2631 {
2632 char *tmail_to;
2633 char *tmail_subject;
2634 char *tmail_cc;
2635
2636 static char *mail_cc_last = 0;
2637 static char *mail_subject_last = 0;
2638 static char *mail_to_last = 0;
2639
2640 QuickDialog Quick_input =
2641 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2642 "[Input Line Keys]", 0, 0};
2643
2644 QuickWidget quick_widgets[] =
2645 {
2646 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2647 0, NULL},
2648 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
2649 0, NULL},
2650 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2651 0, "mail-dlg-input"},
2652 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2653 0, 0},
2654 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2655 0, "mail-dlg-input-2"},
2656 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2657 0, 0},
2658 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2659 0, "mail-dlg-input-3"},
2660 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2661 0, 0},
2662 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2663 0, 0},
2664 NULL_QuickWidget};
2665
2666 quick_widgets[2].str_result = &tmail_cc;
2667 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2668 quick_widgets[4].str_result = &tmail_subject;
2669 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2670 quick_widgets[6].str_result = &tmail_to;
2671 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2672
2673 Quick_input.widgets = quick_widgets;
2674
2675 if (quick_dialog (&Quick_input) != B_CANCEL) {
2676 g_free (mail_cc_last);
2677 g_free (mail_subject_last);
2678 g_free (mail_to_last);
2679 mail_cc_last = tmail_cc;
2680 mail_subject_last = tmail_subject;
2681 mail_to_last = tmail_to;
2682 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2683 }
2684 }
2685
2686
2687 /*******************/
2688 /* Word Completion */
2689 /*******************/
2690
2691
2692 /* find first character of current word */
2693 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2694 {
2695 int i, c, last;
2696
2697 /* return if at begin of file */
2698 if (edit->curs1 <= 0)
2699 return 0;
2700
2701 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2702 /* return if not at end or in word */
2703 if (isspace (c) || !(isalnum (c) || c == '_'))
2704 return 0;
2705
2706 /* search start of word to be completed */
2707 for (i = 2;; i++) {
2708 /* return if at begin of file */
2709 if (edit->curs1 - i < 0)
2710 return 0;
2711
2712 last = c;
2713 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2714
2715 if (!(isalnum (c) || c == '_')) {
2716 /* return if word starts with digit */
2717 if (isdigit (last))
2718 return 0;
2719
2720 *word_start = edit->curs1 - (i - 1); /* start found */
2721 *word_len = i - 1;
2722 break;
2723 }
2724 }
2725 /* success */
2726 return 1;
2727 }
2728
2729
2730 /* (re)set search parameters to the given values */
2731 static void edit_set_search_parameters (int rs, int rb, int rr, int rw, int rc)
2732 {
2733 replace_scanf = rs;
2734 replace_backwards = rb;
2735 replace_regexp = rr;
2736 replace_whole = rw;
2737 replace_case = rc;
2738 }
2739
2740
2741 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
2742
2743 /* collect the possible completions */
2744 static int
2745 edit_collect_completions (WEdit *edit, long start, int word_len,
2746 char *match_expr, struct selection *compl,
2747 int *num)
2748 {
2749 int len, max_len = 0, i, skip;
2750 unsigned char *bufpos;
2751
2752 /* collect max MAX_WORD_COMPLETIONS completions */
2753 while (*num < MAX_WORD_COMPLETIONS) {
2754 /* get next match */
2755 start =
2756 edit_find (start - 1, (unsigned char *) match_expr, &len,
2757 edit->last_byte, edit_get_byte, (void *) edit, 0);
2758
2759 /* not matched */
2760 if (start < 0)
2761 break;
2762
2763 /* add matched completion if not yet added */
2764 bufpos =
2765 &edit->
2766 buffers1[start >> S_EDIT_BUF_SIZE][start & M_EDIT_BUF_SIZE];
2767 skip = 0;
2768 for (i = 0; i < *num; i++) {
2769 if (strncmp
2770 ((char *) &compl[i].text[word_len],
2771 (char *) &bufpos[word_len], max (len,
2772 compl[i].len) -
2773 word_len) == 0) {
2774 skip = 1;
2775 break; /* skip it, already added */
2776 }
2777 }
2778 if (skip)
2779 continue;
2780
2781 compl[*num].text = g_malloc (len + 1);
2782 compl[*num].len = len;
2783 for (i = 0; i < len; i++)
2784 compl[*num].text[i] = *(bufpos + i);
2785 compl[*num].text[i] = '\0';
2786 (*num)++;
2787
2788 /* note the maximal length needed for the completion dialog */
2789 if (len > max_len)
2790 max_len = len;
2791 }
2792 return max_len;
2793 }
2794
2795
2796 /* let the user select its preferred completion */
2797 static void
2798 edit_completion_dialog (WEdit * edit, int max_len, int word_len,
2799 struct selection *compl, int num_compl)
2800 {
2801 int start_x, start_y, offset, i;
2802 char *curr = NULL;
2803 Dlg_head *compl_dlg;
2804 WListbox *compl_list;
2805 int compl_dlg_h; /* completion dialog height */
2806 int compl_dlg_w; /* completion dialog width */
2807
2808 /* calculate the dialog metrics */
2809 compl_dlg_h = num_compl + 2;
2810 compl_dlg_w = max_len + 4;
2811 start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2);
2812 start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
2813
2814 if (start_x < 0)
2815 start_x = 0;
2816 if (compl_dlg_w > COLS)
2817 compl_dlg_w = COLS;
2818 if (compl_dlg_h > LINES - 2)
2819 compl_dlg_h = LINES - 2;
2820
2821 offset = start_x + compl_dlg_w - COLS;
2822 if (offset > 0)
2823 start_x -= offset;
2824 offset = start_y + compl_dlg_h - LINES;
2825 if (offset > 0)
2826 start_y -= (offset + 1);
2827
2828 /* create the dialog */
2829 compl_dlg =
2830 create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
2831 dialog_colors, NULL, "[Completion]", NULL,
2832 DLG_COMPACT);
2833
2834 /* create the listbox */
2835 compl_list =
2836 listbox_new (1, 1, compl_dlg_w - 2, compl_dlg_h - 2, NULL);
2837
2838 /* add the dialog */
2839 add_widget (compl_dlg, compl_list);
2840
2841 /* fill the listbox with the completions */
2842 for (i = 0; i < num_compl; i++)
2843 listbox_add_item (compl_list, LISTBOX_APPEND_AT_END, 0,
2844 (char *) compl[i].text, NULL);
2845
2846 /* pop up the dialog */
2847 run_dlg (compl_dlg);
2848
2849 /* apply the choosen completion */
2850 if (compl_dlg->ret_value == B_ENTER) {
2851 listbox_get_current (compl_list, &curr, NULL);
2852 if (curr)
2853 for (curr += word_len; *curr; curr++)
2854 edit_insert (edit, *curr);
2855 }
2856
2857 /* destroy dialog before return */
2858 destroy_dlg (compl_dlg);
2859 }
2860
2861
2862 /*
2863 * Complete current word using regular expression search
2864 * backwards beginning at the current cursor position.
2865 */
2866 void
2867 edit_complete_word_cmd (WEdit *edit)
2868 {
2869 int word_len = 0, i, num_compl = 0, max_len;
2870 long word_start = 0;
2871 unsigned char *bufpos;
2872 char *match_expr;
2873 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2874
2875 /* don't want to disturb another search */
2876 int old_rs = replace_scanf;
2877 int old_rb = replace_backwards;
2878 int old_rr = replace_regexp;
2879 int old_rw = replace_whole;
2880 int old_rc = replace_case;
2881
2882 /* search start of word to be completed */
2883 if (!edit_find_word_start (edit, &word_start, &word_len))
2884 return;
2885
2886 /* prepare match expression */
2887 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2888 [word_start & M_EDIT_BUF_SIZE];
2889 match_expr = g_strdup_printf ("%.*s[a-zA-Z_0-9]+", word_len, bufpos);
2890
2891 /* init search: backward, regexp, whole word, case sensitive */
2892 edit_set_search_parameters (0, 1, 1, 1, 1);
2893
2894 /* collect the possible completions */
2895 /* start search from curs1 down to begin of file */
2896 max_len =
2897 edit_collect_completions (edit, word_start, word_len, match_expr,
2898 (struct selection *) &compl, &num_compl);
2899
2900 if (num_compl > 0) {
2901 /* insert completed word if there is only one match */
2902 if (num_compl == 1) {
2903 for (i = word_len; i < compl[0].len; i++)
2904 edit_insert (edit, *(compl[0].text + i));
2905 }
2906 /* more than one possible completion => ask the user */
2907 else {
2908 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2909 /* !!! pressed again the selection dialog pops up, but that !!! */
2910 /* !!! seems to require a further internal state !!! */
2911 /*beep (); */
2912
2913 /* let the user select the preferred completion */
2914 edit_completion_dialog (edit, max_len, word_len,
2915 (struct selection *) &compl,
2916 num_compl);
2917 }
2918 }
2919
2920 g_free (match_expr);
2921 /* release memory before return */
2922 for (i = 0; i < num_compl; i++)
2923 g_free (compl[i].text);
2924
2925 /* restore search parameters */
2926 edit_set_search_parameters (old_rs, old_rb, old_rr, old_rw, old_rc);
2927 }
2928
2929 void
2930 edit_select_codepage_cmd (WEdit *edit)
2931 {
2932 #ifdef HAVE_CHARSET
2933 do_select_codepage ();
2934 edit->force = REDRAW_COMPLETELY;
2935 edit_refresh_cmd (edit);
2936 #endif
2937 }
2938
2939 void
2940 edit_insert_literal_cmd (WEdit *edit)
2941 {
2942 int char_for_insertion =
2943 edit_raw_key_query (_(" Insert Literal "),
2944 _(" Press any key: "), 0);
2945 edit_execute_key_command (edit, -1,
2946 ascii_alpha_to_cntrl (char_for_insertion));
2947 }
2948
2949 void
2950 edit_execute_macro_cmd (WEdit *edit)
2951 {
2952 int command =
2953 CK_Macro (edit_raw_key_query
2954 (_(" Execute Macro "), _(" Press macro hotkey: "),
2955 1));
2956 if (command == CK_Macro (0))
2957 command = CK_Insert_Char;
2958
2959 edit_execute_key_command (edit, command, -1);
2960 }
2961
2962 void
2963 edit_begin_end_macro_cmd(WEdit *edit)
2964 {
2965 int command;
2966
2967 /* edit is a pointer to the widget */
2968 if (edit) {
2969 command =
2970 edit->macro_i <
2971 0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
2972 edit_execute_key_command (edit, command, -1);
2973 }
2974 }
Midnight Commander