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small typo
[midnight-commander.git] / src / screen.c
blob8514f54ae88865e96092dd689773c53c94b4290a
1 /* Panel managing.
2 Copyright (C) 1994, 1995 Miguel de Icaza.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 Written by: 1995 Miguel de Icaza
15 1997, 1999 Timur Bakeyev
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21 #include <config.h>
22 #include <string.h>
23 #include <stdio.h>
24 #include <errno.h>
25 #ifdef HAVE_UNISTD_H
26 # include <unistd.h> /* For chdir(), readlink() and getwd()/getcwd() */
27 #endif
28
29 #include "global.h"
30 #include "tty.h"
31 #include "dir.h"
32 #include "panel.h"
33 #include "color.h"
34 #include "tree.h"
35 #include "win.h"
36 #include "main.h"
37 #include "ext.h" /* regexp_command */
38 #include "mouse.h" /* For Gpm_Event */
39 #include "layout.h" /* Most layout variables are here */
40 #include "dialog.h" /* for message (...) */
41 #include "cmd.h"
42 #include "key.h" /* XCTRL and ALT macros */
43 #include "setup.h" /* For loading/saving panel options */
44 #include "user.h"
45 #include "profile.h"
46 #include "widget.h"
47 #include "../vfs/vfs.h"
48
49 #ifdef NATIVE_WIN32
50 # include "drive.h"
51 #endif
52
53 #define ELEMENTS(arr) ( sizeof(arr) / sizeof((arr)[0]) )
54
55 /* If true, show the mini-info on the panel */
56 int show_mini_info = 1;
57
58 /* If true, then use stat() on the cwd to determine directory changes */
59 int fast_reload = 0;
60
61 /* If true, use some usability hacks by Torben */
62 int torben_fj_mode = 0;
63
64 /* If true, up/down keys scroll the pane listing by pages */
65 int panel_scroll_pages = 1;
66
67 /* If 1, we use permission hilighting */
68 int permission_mode = 0;
69
70 /* If 1 - then add per file type hilighting */
71 int filetype_mode = 1;
72
73 /* If we have an info panel, this points to it */
74 WPanel *the_info_panel = 0;
75
76 /* The hook list for the select file function */
77 Hook *select_file_hook = 0;
78
79 static int panel_callback (Dlg_head *h, WPanel *p, int Msg, int Par);
80 static int panel_event (Gpm_Event *event, WPanel *panel);
81 static void paint_frame (WPanel *panel);
82 static char *panel_format (WPanel *panel);
83 static char *mini_status_format (WPanel *panel);
84
85 /* This macro extracts the number of available lines in a panel */
86 #define llines(p) (p->widget.lines-3 - (show_mini_info ? 2 : 0))
87
88 static void
89 set_colors (WPanel *panel)
90 {
91 standend ();
92 attrset (NORMAL_COLOR);
93 }
94
95 #ifndef ICONS_PER_ROW
96 # define ICONS_PER_ROW(x) 1
97 #endif
98
99 /* Delete format string, it is a linked list */
100 static void
101 delete_format (format_e *format)
102 {
103 format_e *next;
104
105 while (format){
106 next = format->next;
107 g_free (format);
108 format = next;
109 }
110 }
111
112 /* This code relies on the default justification!!! */
113 static void
114 add_permission_string (char *dest, int width, file_entry *fe, int attr, int color, int is_octal)
115 {
116 int i, r, l;
117
118 l = get_user_permissions (&fe->buf);
119
120 if (is_octal){
121 /* Place of the access bit in octal mode */
122 l = width + l - 3;
123 r = l + 1;
124 } else {
125 /* The same to the triplet in string mode */
126 l = l * 3 + 1;
127 r = l + 3;
128 }
129
130 for(i = 0; i < width; i++){
131 if (i >= l && i < r){
132 if (attr == SELECTED || attr == MARKED_SELECTED)
133 attrset (MARKED_SELECTED_COLOR);
134 else
135 attrset (MARKED_COLOR);
136 } else
137 attrset (color);
138
139 addch (dest[i]);
140 }
141 }
142
143 /* String representations of various file attributes */
144 /* name */
145 static const char *
146 string_file_name (file_entry *fe, int len)
147 {
148 static char buffer [BUF_SMALL];
149 int i;
150
151 for (i = 0; i < sizeof(buffer) - 1; i++) {
152 char c;
153
154 c = fe->fname[i];
155
156 if (!c)
157 break;
158
159 if (!is_printable(c))
160 c = '?';
161
162 buffer[i] = c;
163 }
164
165 buffer[i] = 0;
166 return buffer;
167 }
168
169 /* size */
170 static const char *
171 string_file_size (file_entry *fe, int len)
172 {
173 static char buffer [BUF_TINY];
174
175 /* Don't ever show size of ".." since we don't calculate it */
176 if (!strcmp (fe->fname, "..")) {
177 return _("UP--DIR");
178 }
179
180 #ifdef HAVE_ST_RDEV
181 if (S_ISBLK (fe->buf.st_mode) || S_ISCHR (fe->buf.st_mode))
182 g_snprintf (buffer, sizeof (buffer), "%3d,%3d",
183 (int) ((fe->buf.st_rdev >> 8) & 0xff),
184 (int) (fe->buf.st_rdev & 0xff));
185 else
186 #endif
187 {
188 size_trunc_len (buffer, len, fe->buf.st_size, 0);
189 }
190 return buffer;
191 }
192
193 /* bsize */
194 static const char *
195 string_file_size_brief (file_entry *fe, int len)
196 {
197 if (S_ISLNK (fe->buf.st_mode) && !fe->f.link_to_dir) {
198 return _("SYMLINK");
199 }
200
201 if ((S_ISDIR (fe->buf.st_mode) || fe->f.link_to_dir) && strcmp (fe->fname, "..")) {
202 return _("SUB-DIR");
203 }
204
205 return string_file_size (fe, len);
206 }
207
208 /* This functions return a string representation of a file entry */
209 /* type */
210 static const char *
211 string_file_type (file_entry *fe, int len)
212 {
213 static char buffer [2];
214
215 if (S_ISDIR (fe->buf.st_mode))
216 buffer [0] = PATH_SEP;
217 else if (S_ISLNK (fe->buf.st_mode)) {
218 if (fe->f.link_to_dir)
219 buffer [0] = '~';
220 else if (fe->f.stalled_link)
221 buffer [0] = '!';
222 else
223 buffer [0] = '@';
224 } else if (S_ISCHR (fe->buf.st_mode))
225 buffer [0] = '-';
226 else if (S_ISSOCK (fe->buf.st_mode))
227 buffer [0] = '=';
228 else if (S_ISDOOR (fe->buf.st_mode))
229 buffer [0] = '>';
230 else if (S_ISBLK (fe->buf.st_mode))
231 buffer [0] = '+';
232 else if (S_ISFIFO (fe->buf.st_mode))
233 buffer [0] = '|';
234 else if (is_exe (fe->buf.st_mode))
235 buffer [0] = '*';
236 else
237 buffer [0] = ' ';
238 buffer [1] = '\0';
239 return buffer;
240 }
241
242 /* mtime */
243 static const char *
244 string_file_mtime (file_entry *fe, int len)
245 {
246 if (!strcmp (fe->fname, "..")) {
247 return "";
248 }
249 return file_date (fe->buf.st_mtime);
250 }
251
252 /* atime */
253 static const char *
254 string_file_atime (file_entry *fe, int len)
255 {
256 if (!strcmp (fe->fname, "..")) {
257 return "";
258 }
259 return file_date (fe->buf.st_atime);
260 }
261
262 /* ctime */
263 static const char *
264 string_file_ctime (file_entry *fe, int len)
265 {
266 if (!strcmp (fe->fname, "..")) {
267 return "";
268 }
269 return file_date (fe->buf.st_ctime);
270 }
271
272 /* perm */
273 static const char *
274 string_file_permission (file_entry *fe, int len)
275 {
276 return string_perm (fe->buf.st_mode);
277 }
278
279 /* mode */
280 static const char *
281 string_file_perm_octal (file_entry *fe, int len)
282 {
283 static char buffer [10];
284
285 g_snprintf (buffer, sizeof (buffer), "0%06o", fe->buf.st_mode);
286 return buffer;
287 }
288
289 /* nlink */
290 static const char *
291 string_file_nlinks (file_entry *fe, int len)
292 {
293 static char buffer [BUF_TINY];
294
295 g_snprintf (buffer, sizeof (buffer), "%16d", fe->buf.st_nlink);
296 return buffer;
297 }
298
299 /* inode */
300 static const char *
301 string_inode (file_entry *fe, int len)
302 {
303 static char buffer [10];
304
305 g_snprintf (buffer, sizeof (buffer), "%lu", (unsigned long) fe->buf.st_ino);
306 return buffer;
307 }
308
309 /* nuid */
310 static const char *
311 string_file_nuid (file_entry *fe, int len)
312 {
313 static char buffer [10];
314
315 g_snprintf (buffer, sizeof (buffer), "%d", fe->buf.st_uid);
316 return buffer;
317 }
318
319 /* ngid */
320 static const char *
321 string_file_ngid (file_entry *fe, int len)
322 {
323 static char buffer [10];
324
325 g_snprintf (buffer, sizeof (buffer), "%d", fe->buf.st_gid);
326 return buffer;
327 }
328
329 /* owner */
330 static const char *
331 string_file_owner (file_entry *fe, int len)
332 {
333 return get_owner (fe->buf.st_uid);
334 }
335
336 /* group */
337 static const char *
338 string_file_group (file_entry *fe, int len)
339 {
340 return get_group (fe->buf.st_gid);
341 }
342
343 /* mark */
344 static const char *
345 string_marked (file_entry *fe, int len)
346 {
347 return fe->f.marked ? "*" : " ";
348 }
349
350 /* space */
351 static const char *
352 string_space (file_entry *fe, int len)
353 {
354 return " ";
355 }
356
357 /* dot */
358 static const char *
359 string_dot (file_entry *fe, int len)
360 {
361 return ".";
362 }
363
364 #define GT 1
365
366 static struct {
367 char *id;
368 int min_size;
369 int expands;
370 int default_just;
371 char *title;
372 int use_in_gui;
373 const char *(*string_fn)(file_entry *, int);
374 sortfn *sort_routine;
375 } formats [] = {
376 { "name", 12, 1, J_LEFT_FIT, N_("Name"), 1, string_file_name, (sortfn *) sort_name },
377 { "size", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size, (sortfn *) sort_size },
378 { "bsize", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size_brief, (sortfn *) sort_size },
379 { "type", GT, 0, J_LEFT, "", 2, string_file_type, (sortfn *) sort_type },
380 { "mtime", 12, 0, J_RIGHT, N_("MTime"), 1, string_file_mtime, (sortfn *) sort_time },
381 { "atime", 12, 0, J_RIGHT, N_("ATime"), 1, string_file_atime, (sortfn *) sort_atime },
382 { "ctime", 12, 0, J_RIGHT, N_("CTime"), 1, string_file_ctime, (sortfn *) sort_ctime },
383 { "perm", 10, 0, J_LEFT, N_("Permission"),1,string_file_permission, NULL },
384 { "mode", 6, 0, J_RIGHT, N_("Perm"), 1, string_file_perm_octal, NULL },
385 { "nlink", 2, 0, J_RIGHT, N_("Nl"), 1, string_file_nlinks, (sortfn *) sort_links },
386 { "inode", 5, 0, J_RIGHT, N_("Inode"), 1, string_inode, (sortfn *) sort_inode },
387 { "nuid", 5, 0, J_RIGHT, N_("UID"), 1, string_file_nuid, (sortfn *) sort_nuid },
388 { "ngid", 5, 0, J_RIGHT, N_("GID"), 1, string_file_ngid, (sortfn *) sort_ngid },
389 { "owner", 8, 0, J_LEFT_FIT, N_("Owner"), 1, string_file_owner, (sortfn *) sort_owner },
390 { "group", 8, 0, J_LEFT_FIT, N_("Group"), 1, string_file_group, (sortfn *) sort_group },
391 { "mark", 1, 0, J_RIGHT, " ", 1, string_marked, NULL },
392 { "|", 1, 0, J_RIGHT, " ", 0, NULL, NULL },
393 { "space", 1, 0, J_RIGHT, " ", 0, string_space, NULL },
394 { "dot", 1, 0, J_RIGHT, " ", 0, string_dot, NULL },
395 };
396
397 static char *
398 to_buffer (char *dest, int just_mode, int len, const char *txt)
399 {
400 int txtlen = strlen (txt);
401 int still, over;
402
403 /* Fill buffer with spaces */
404 memset (dest, ' ', len);
405
406 still = (over=(txtlen > len)) ? (txtlen - len) : (len - txtlen);
407
408 switch (HIDE_FIT(just_mode)){
409 case J_LEFT:
410 still = 0;
411 break;
412 case J_CENTER:
413 still /= 2;
414 break;
415 case J_RIGHT:
416 default:
417 break;
418 }
419
420 if (over){
421 if (IS_FIT(just_mode))
422 strcpy (dest, name_trunc(txt, len));
423 else
424 strncpy (dest, txt+still, len);
425 } else
426 strncpy (dest+still, txt, txtlen);
427
428 dest[len] = '\0';
429
430 return (dest + len);
431 }
432
433 static int
434 file_compute_color (int attr, file_entry *fe)
435 {
436 switch (attr){
437 case SELECTED:
438 return (SELECTED_COLOR);
439 case MARKED:
440 return (MARKED_COLOR);
441 case MARKED_SELECTED:
442 return (MARKED_SELECTED_COLOR);
443 case STATUS:
444 return (NORMAL_COLOR);
445 case NORMAL:
446 default:
447 if (!filetype_mode)
448 return (NORMAL_COLOR);
449 }
450
451 /* if filetype_mode == true */
452 if (S_ISDIR (fe->buf.st_mode))
453 return (DIRECTORY_COLOR);
454 else if (S_ISLNK (fe->buf.st_mode)){
455 if (fe->f.link_to_dir)
456 return (DIRECTORY_COLOR);
457 else if (fe->f.stalled_link)
458 return (STALLED_LINK_COLOR);
459 else
460 return (LINK_COLOR);
461 } else if (S_ISSOCK (fe->buf.st_mode))
462 return (SPECIAL_COLOR);
463 else if (S_ISCHR (fe->buf.st_mode))
464 return (DEVICE_COLOR);
465 else if (S_ISBLK (fe->buf.st_mode))
466 return (DEVICE_COLOR);
467 else if (S_ISFIFO (fe->buf.st_mode))
468 return (SPECIAL_COLOR);
469 else if (S_ISDOOR (fe->buf.st_mode))
470 return (SPECIAL_COLOR);
471 else if (is_exe (fe->buf.st_mode))
472 return (EXECUTABLE_COLOR);
473 else if (fe->fname && (!strcmp (fe->fname, "core") || !strcmp (extension(fe->fname), "core")))
474 return (CORE_COLOR);
475
476 return (NORMAL_COLOR); /* just for safeness */
477 }
478
479 /* Formats the file number file_index of panel in the buffer dest */
480 static void
481 format_file (char *dest, int limit, WPanel *panel, int file_index, int width, int attr, int isstatus)
482 {
483 int color, length, empty_line;
484 const char *txt;
485 char *old_pos;
486 char *cdest = dest;
487 format_e *format, *home;
488 file_entry *fe;
489
490 length = 0;
491 empty_line = (file_index >= panel->count);
492 home = (isstatus) ? panel->status_format : panel->format;
493 fe = &panel->dir.list [file_index];
494
495 if (!empty_line)
496 color = file_compute_color (attr, fe);
497 else
498 color = NORMAL_COLOR;
499
500 for (format = home; format; format = format->next){
501
502 if (length == width)
503 break;
504
505 if (format->string_fn){
506 int len;
507
508 if (empty_line)
509 txt = " ";
510 else
511 txt = (*format->string_fn)(fe, format->field_len);
512
513 old_pos = cdest;
514
515 len = format->field_len;
516 if (len + length > width)
517 len = width - length;
518 if (len + (cdest - dest) > limit)
519 len = limit - (cdest - dest);
520 if (len <= 0)
521 break;
522 cdest = to_buffer (cdest, format->just_mode, len, txt);
523 length += len;
524
525 attrset (color);
526
527 if (permission_mode && !strcmp(format->id, "perm"))
528 add_permission_string (old_pos, format->field_len, fe, attr, color, 0);
529 else if (permission_mode && !strcmp(format->id, "mode"))
530 add_permission_string (old_pos, format->field_len, fe, attr, color, 1);
531 else
532 addstr (old_pos);
533
534 } else {
535 if (attr == SELECTED || attr == MARKED_SELECTED)
536 attrset (SELECTED_COLOR);
537 else
538 attrset (NORMAL_COLOR);
539 one_vline ();
540 length++;
541 }
542 }
543
544 if (length < width){
545 int still = width - length;
546 while (still--)
547 addch (' ');
548 }
549 }
550
551 static void
552 repaint_file (WPanel *panel, int file_index, int mv, int attr, int isstatus)
553 {
554 int second_column = 0;
555 int width, offset;
556 char buffer [BUF_MEDIUM];
557
558 offset = 0;
559 if (!isstatus && panel->split){
560
561 second_column = (file_index - panel->top_file) / llines (panel);
562 width = (panel->widget.cols - 2)/2 - 1;
563
564 if (second_column){
565 offset = 1 + width;
566 width = (panel->widget.cols-2) - (panel->widget.cols-2)/2 - 1;
567 }
568 } else
569 width = (panel->widget.cols - 2);
570
571 /* Nothing to paint */
572 if (width <= 0)
573 return;
574
575 if (mv){
576 if (!isstatus && panel->split){
577 widget_move (&panel->widget,
578 (file_index - panel->top_file) %
579 llines (panel) + 2,
580 (offset + 1));
581 } else
582 widget_move (&panel->widget, file_index - panel->top_file + 2, 1);
583 }
584
585 format_file (buffer, sizeof(buffer), panel, file_index, width, attr, isstatus);
586
587 if (!isstatus && panel->split){
588 if (second_column)
589 addch (' ');
590 else {
591 attrset (NORMAL_COLOR);
592 one_vline ();
593 }
594 }
595 }
596
597 void
598 display_mini_info (WPanel *panel)
599 {
600 if (!show_mini_info)
601 return;
602
603 widget_move (&panel->widget, llines (panel)+3, 1);
604
605 if (panel->searching){
606 attrset (INPUT_COLOR);
607 printw ("/%-*s", panel->widget.cols-3, panel->search_buffer);
608 attrset (NORMAL_COLOR);
609 return;
610 }
611
612 /* Status displays total marked size */
613 if (panel->marked){
614 char buffer [BUF_SMALL];
615 char *p = " %-*s";
616 int cols = panel->widget.cols-2;
617
618 attrset (MARKED_COLOR);
619 printw ("%*s", cols, " ");
620 widget_move (&panel->widget, llines (panel)+3, 1);
621 /* FIXME: use ngettext() here when gettext-0.10.35 becomes history */
622 g_snprintf (buffer, sizeof (buffer), (panel->marked == 1) ?
623 _("%s bytes in %d file") : _("%s bytes in %d files"),
624 size_trunc_sep (panel->total), panel->marked);
625 if (strlen (buffer) > cols-2){
626 buffer [cols] = 0;
627 p += 2;
628 } else
629 cols -= 2;
630 printw (p, cols, buffer);
631 return;
632 }
633
634 /* Status resolves links and show them */
635 set_colors (panel);
636 #ifndef NATIVE_WIN32
637 if (S_ISLNK (panel->dir.list [panel->selected].buf.st_mode)){
638 char *link, link_target [MC_MAXPATHLEN];
639 int len;
640
641 link = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
642 len = mc_readlink (link, link_target, MC_MAXPATHLEN);
643 g_free (link);
644 if (len > 0){
645 link_target[len] = 0;
646 printw ("-> %-*s", panel->widget.cols - 5,
647 name_trunc (link_target, panel->widget.cols - 5));
648 } else
649 addstr (_("<readlink failed>"));
650 return;
651 }
652 #endif
653 /* Default behaviour */
654 repaint_file (panel, panel->selected, 0, STATUS, 1);
655 return;
656 }
657
658 static void
659 paint_dir (WPanel *panel)
660 {
661 int i;
662 int color; /* Color value of the line */
663 int items; /* Number of items */
664
665 items = llines (panel) * (panel->split ? 2 : 1);
666
667 for (i = 0; i < items; i++){
668 if (i+panel->top_file >= panel->count)
669 color = 0;
670 else {
671 color = 2 * (panel->dir.list [i+panel->top_file].f.marked);
672 color += (panel->selected==i+panel->top_file && panel->active);
673 }
674 repaint_file (panel, i+panel->top_file, 1, color, 0);
675 }
676 standend ();
677 panel->dirty = 0;
678 }
679
680 static void
681 mini_info_separator (WPanel *panel)
682 {
683 if (!show_mini_info)
684 return;
685
686 standend ();
687 widget_move (&panel->widget, llines (panel)+2, 1);
688 #ifdef HAVE_SLANG
689 attrset (NORMAL_COLOR);
690 hline (ACS_HLINE, panel->widget.cols-2);
691 #else
692 hline ((slow_terminal ? '-' : ACS_HLINE) | NORMAL_COLOR,
693 panel->widget.cols-2);
694 #endif /* !HAVE_SLANG */
695 }
696
697 static void
698 show_dir (WPanel *panel)
699 {
700 char tmp [200];
701
702 set_colors (panel);
703 draw_double_box (panel->widget.parent,
704 panel->widget.y, panel->widget.x,
705 panel->widget.lines, panel->widget.cols);
706
707 #ifdef HAVE_SLANG
708 if (show_mini_info) {
709 #ifdef linux_unicode
710 if (SLtt_Unicode) {
711 SLsmg_draw_unicode (panel->widget.y + llines (panel) + 2,
712 panel->widget.x, SLUNI_DSLTEE_CHAR);
713 SLsmg_draw_unicode (panel->widget.y + llines (panel) + 2,
714 panel->widget.x + panel->widget.cols - 1, SLUNI_DSRTEE_CHAR);
715 } else
716 #endif /* linux_unicode */
717 {
718 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
719 panel->widget.x, SLSMG_LTEE_CHAR);
720 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
721 panel->widget.x + panel->widget.cols - 1, SLSMG_RTEE_CHAR);
722 }
723 }
724 #endif /* HAVE_SLANG */
725
726 if (panel->active)
727 attrset (REVERSE_COLOR);
728
729 widget_move (&panel->widget, 0, 3);
730
731 trim (strip_home_and_password (panel->cwd), tmp,
732 max (panel->widget.cols - 7, 0));
733 addstr (tmp);
734 widget_move (&panel->widget, 0, 1);
735 addstr ("<");
736 widget_move (&panel->widget, 0, panel->widget.cols-2);
737 addstr (">");
738 widget_move (&panel->widget, 0, panel->widget.cols-3);
739 addstr ("v");
740
741 if (panel->active)
742 standend ();
743 }
744
745 /* To be used only by long_frame and full_frame to adjust top_file */
746 static void
747 adjust_top_file (WPanel *panel)
748 {
749 int old_top = panel->top_file;
750
751 if (panel->selected - old_top > llines (panel))
752 panel->top_file = panel->selected;
753 if (old_top - panel->count > llines (panel))
754 panel->top_file = panel->count - llines (panel);
755 }
756
757 /* Repaints the information that changes after a command */
758 void
759 panel_update_contents (WPanel *panel)
760 {
761 show_dir (panel);
762 paint_dir (panel);
763 display_mini_info (panel);
764 }
765
766 void
767 paint_panel (WPanel *panel)
768 {
769 paint_frame (panel);
770 panel_update_contents (panel);
771 mini_info_separator (panel);
772 }
773
774 static void
775 do_select (WPanel *panel, int i)
776 {
777 if (i != panel->selected){
778 panel->selected = i;
779 panel->top_file = panel->selected - (panel->widget.lines-2)/2;
780 if (panel->top_file < 0)
781 panel->top_file = 0;
782 }
783 }
784
785 void
786 Xtry_to_select (WPanel *panel, char *name)
787 {
788 int i;
789 char *subdir;
790
791 if (!name) {
792 do_select(panel, 0);
793 return;
794 }
795
796 /* We only want the last component of the directory */
797 subdir = x_basename (name);
798
799 subdir = vfs_strip_suffix_from_filename (subdir);
800
801 /* Search that subdirectory, if found select it */
802 for (i = 0; i < panel->count; i++){
803 if (strcmp (subdir, panel->dir.list [i].fname) == 0) {
804 do_select (panel, i);
805 g_free (subdir);
806 return;
807 }
808 }
809
810 /* Try to select a file near the file that is missing */
811 if (panel->selected >= panel->count)
812 do_select (panel, panel->count-1);
813 g_free (subdir);
814 }
815
816 void
817 try_to_select (WPanel *panel, char *name)
818 {
819 Xtry_to_select (panel, name);
820 select_item (panel);
821 display_mini_info (panel);
822 }
823
824 void
825 panel_update_cols (Widget *widget, int frame_size)
826 {
827 int cols, origin;
828
829 if (horizontal_split){
830 widget->cols = COLS;
831 return;
832 }
833
834 if (frame_size == frame_full){
835 cols = COLS;
836 origin = 0;
837 } else {
838 if (widget == get_panel_widget (0)){
839 cols = first_panel_size;
840 origin = 0;
841 } else {
842 cols = COLS-first_panel_size;
843 origin = first_panel_size;
844 }
845 }
846
847 widget->cols = cols;
848 widget->x = origin;
849 }
850
851 static char *
852 panel_save_name (WPanel *panel)
853 {
854 extern int saving_setup;
855
856 /* If the program is shuting down */
857 if ((midnight_shutdown && auto_save_setup) || saving_setup)
858 return g_strdup (panel->panel_name);
859 else
860 return g_strconcat ("Temporal:", panel->panel_name, NULL);
861 }
862
863 static void
864 panel_destroy (WPanel *p)
865 {
866 int i;
867
868 char *name = panel_save_name (p);
869
870 panel_save_setup (p, name);
871 panel_clean_dir (p);
872
873 /* save and clean history */
874 if (p->dir_history){
875 Hist *current, *old;
876 history_put (p->hist_name, p->dir_history);
877 current = p->dir_history;
878 while (current->next)
879 current = current->next;
880 while (current){
881 old = current;
882 current = current->prev;
883 g_free (old->text);
884 g_free (old);
885 }
886 }
887 g_free (p->hist_name);
888
889 delete_format (p->format);
890 delete_format (p->status_format);
891
892 g_free (p->user_format);
893 for (i = 0; i < LIST_TYPES; i++)
894 g_free (p->user_status_format [i]);
895 g_free (p->dir.list);
896 g_free (p->panel_name);
897 g_free (name);
898 }
899
900 static void
901 panel_format_modified (WPanel *panel)
902 {
903 panel->format_modified = 1;
904 }
905
906 /* Panel creation */
907 /* The parameter specifies the name of the panel for setup retieving */
908 WPanel *
909 panel_new (const char *panel_name)
910 {
911 WPanel *panel;
912 char *section;
913 int i, err;
914
915 panel = g_new0 (WPanel, 1);
916
917 /* No know sizes of the panel at startup */
918 init_widget (&panel->widget, 0, 0, 0, 0, (callback_fn)
919 panel_callback, (destroy_fn) panel_destroy,
920 (mouse_h) panel_event, NULL);
921
922 /* We do not want the cursor */
923 widget_want_cursor (panel->widget, 0);
924
925 mc_get_current_wd (panel->cwd, sizeof (panel->cwd)-2);
926 strcpy (panel->lwd, ".");
927
928 panel->hist_name = g_strconcat ("Dir Hist ", panel_name, NULL);
929 panel->dir_history = history_get (panel->hist_name);
930 directory_history_add (panel, panel->cwd);
931
932 panel->dir.list = g_new (file_entry, MIN_FILES);
933 panel->dir.size = MIN_FILES;
934 panel->active = 0;
935 panel->filter = 0;
936 panel->split = 0;
937 panel->top_file = 0;
938 panel->selected = 0;
939 panel->marked = 0;
940 panel->total = 0;
941 panel->reverse = 0;
942 panel->dirty = 1;
943 panel->searching = 0;
944 panel->dirs_marked = 0;
945 panel->is_panelized = 0;
946 panel->format = 0;
947 panel->status_format = 0;
948 panel->format_modified = 1;
949
950 panel->panel_name = g_strdup (panel_name);
951 panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
952
953 for(i = 0; i < LIST_TYPES; i++)
954 panel->user_status_format [i] = g_strdup (DEFAULT_USER_FORMAT);
955
956 panel->search_buffer [0] = 0;
957 panel->frame_size = frame_half;
958 section = g_strconcat ("Temporal:", panel->panel_name, NULL);
959 if (!profile_has_section (section, profile_name)){
960 g_free (section);
961 section = g_strdup (panel->panel_name);
962 }
963 panel_load_setup (panel, section);
964 g_free (section);
965
966 /* Load format strings */
967 err = set_panel_formats (panel);
968 if (err){
969 set_panel_formats (panel);
970 }
971
972 /* Load the default format */
973 panel->count = do_load_dir (&panel->dir, panel->sort_type,
974 panel->reverse, panel->case_sensitive, panel->filter);
975 return panel;
976 }
977
978 void
979 panel_reload (WPanel *panel)
980 {
981 struct stat current_stat;
982
983 if (fast_reload
984 && !stat (panel->cwd, &current_stat)
985 && current_stat.st_ctime == panel->dir_stat.st_ctime
986 && current_stat.st_mtime == panel->dir_stat.st_mtime)
987 return;
988
989 while (mc_chdir (panel->cwd) == -1){
990 char *last_slash;
991
992 if (panel->cwd [0] == PATH_SEP && panel->cwd [1] == 0){
993 panel_clean_dir (panel);
994 panel->count = set_zero_dir (&panel->dir);
995 return;
996 }
997 last_slash = strrchr (panel->cwd, PATH_SEP);
998 if (!last_slash || last_slash == panel->cwd)
999 strcpy (panel->cwd, PATH_SEP_STR);
1000 else
1001 *last_slash = 0;
1002 memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
1003 show_dir (panel);
1004 }
1005
1006 panel->count = do_reload_dir (&panel->dir, panel->sort_type, panel->count,
1007 panel->reverse, panel->case_sensitive, panel->filter);
1008
1009 panel->dirty = 1;
1010 if (panel->selected >= panel->count)
1011 do_select (panel, panel->count-1);
1012
1013 recalculate_panel_summary (panel);
1014 }
1015
1016 static void
1017 paint_frame (WPanel *panel)
1018 {
1019 int header_len;
1020 int spaces, extra;
1021 int side, width;
1022
1023 char *txt, buffer[30]; /*Hope that this is enough ;-) */
1024 if (!panel->split)
1025 adjust_top_file (panel);
1026
1027 widget_erase (&panel->widget);
1028 show_dir (panel);
1029
1030 widget_move (&panel->widget, 1, 1);
1031
1032 for (side = 0; side <= panel->split; side++){
1033 format_e *format;
1034
1035 if (side){
1036 attrset (NORMAL_COLOR);
1037 one_vline ();
1038 width = panel->widget.cols - panel->widget.cols/2 - 1;
1039 } else if (panel->split)
1040 width = panel->widget.cols/2 - 3;
1041 else
1042 width = panel->widget.cols - 2;
1043
1044 for (format = panel->format; format; format = format->next){
1045 if (format->string_fn){
1046 txt = format->title;
1047
1048 header_len = strlen (txt);
1049 if (header_len > format->field_len){
1050 strcpy (buffer, txt);
1051 txt = buffer;
1052 txt [format->field_len] = 0;
1053 header_len = strlen (txt);
1054 }
1055
1056 attrset (MARKED_COLOR);
1057 spaces = (format->field_len - header_len) / 2;
1058 extra = (format->field_len - header_len) % 2;
1059 printw ("%*s%-s%*s", spaces, "",
1060 txt, spaces+extra, "");
1061 width -= 2 * spaces + extra + header_len;
1062 } else {
1063 attrset (NORMAL_COLOR);
1064 one_vline ();
1065 width --;
1066 continue;
1067 }
1068 }
1069
1070 if (width > 0)
1071 printw ("%*s", width, "");
1072 }
1073 }
1074
1075 static char *
1076 parse_panel_size (WPanel *panel, char *format, int isstatus)
1077 {
1078 int frame = frame_half;
1079 format = skip_separators (format);
1080
1081 if (!strncmp (format, "full", 4)){
1082 frame = frame_full;
1083 format += 4;
1084 } else if (!strncmp (format, "half", 4)){
1085 frame = frame_half;
1086 format += 4;
1087 }
1088
1089 if (!isstatus){
1090 panel->frame_size = frame;
1091 panel->split = 0;
1092 }
1093
1094 /* Now, the optional column specifier */
1095 format = skip_separators (format);
1096
1097 if (*format == '1' || *format == '2'){
1098 if (!isstatus)
1099 panel->split = *format == '2';
1100 format++;
1101 }
1102
1103 if (!isstatus)
1104 panel_update_cols (&(panel->widget), panel->frame_size);
1105
1106 return skip_separators (format);
1107 }
1108
1109 /* Format is:
1110
1111 all := panel_format? format
1112 panel_format := [full|half] [1|2]
1113 format := one_format_e
1114 | format , one_format_e
1115
1116 one_format_e := just format.id [opt_size]
1117 just := [<=>]
1118 opt_size := : size [opt_expand]
1119 size := [0-9]+
1120 opt_expand := +
1121
1122 */
1123
1124 static format_e *
1125 parse_display_format (WPanel *panel, char *format, char **error, int isstatus, int *res_total_cols)
1126 {
1127 format_e *darr, *old = 0, *home = 0; /* The formats we return */
1128 int total_cols = 0; /* Used columns by the format */
1129 int set_justify; /* flag: set justification mode? */
1130 int justify = 0; /* Which mode. */
1131 int items = 0; /* Number of items in the format */
1132 int i;
1133
1134 static size_t i18n_timelength = 0; /* flag: check ?Time length at startup */
1135
1136 *error = 0;
1137
1138 if (i18n_timelength == 0) {
1139 i18n_timelength = i18n_checktimelength (); /* Musn't be 0 */
1140
1141 for (i = 0; i < ELEMENTS(formats); i++)
1142 if (strcmp ("time", formats [i].id+1) == 0)
1143 formats [i].min_size = i18n_timelength;
1144 }
1145
1146 /*
1147 * This makes sure that the panel and mini status full/half mode
1148 * setting is equal
1149 */
1150 format = parse_panel_size (panel, format, isstatus);
1151
1152 while (*format){ /* format can be an empty string */
1153 int found = 0;
1154
1155 darr = g_new (format_e, 1);
1156
1157 /* I'm so ugly, don't look at me :-) */
1158 if (!home)
1159 home = old = darr;
1160
1161 old->next = darr;
1162 darr->next = 0;
1163 old = darr;
1164
1165 format = skip_separators (format);
1166
1167 if (strchr ("<=>", *format)){
1168 set_justify = 1;
1169 switch (*format)
1170 {
1171 case '<':
1172 justify = J_LEFT;
1173 break;
1174 case '=':
1175 justify = J_CENTER;
1176 break;
1177 case '>':
1178 default:
1179 justify = J_RIGHT;
1180 break;
1181 }
1182 format = skip_separators (format+1);
1183 } else
1184 set_justify = 0;
1185
1186 for (i = 0; i < ELEMENTS(formats); i++){
1187 int klen = strlen (formats [i].id);
1188
1189 if (strncmp (format, formats [i].id, klen) != 0)
1190 continue;
1191
1192 format += klen;
1193
1194 if (formats [i].use_in_gui)
1195 items++;
1196
1197 darr->use_in_gui = formats [i].use_in_gui;
1198 darr->requested_field_len = formats [i].min_size;
1199 darr->string_fn = formats [i].string_fn;
1200 if (formats [i].title [0])
1201 darr->title = _(formats [i].title);
1202 else
1203 darr->title = "";
1204 darr->id = formats [i].id;
1205 darr->expand = formats [i].expands;
1206 darr->just_mode = formats [i].default_just;
1207
1208 if (set_justify) {
1209 if (IS_FIT(darr->just_mode))
1210 darr->just_mode = MAKE_FIT(justify);
1211 else
1212 darr->just_mode = justify;
1213 }
1214 found = 1;
1215
1216 format = skip_separators (format);
1217
1218 /* If we have a size specifier */
1219 if (*format == ':'){
1220 int req_length;
1221
1222 /* If the size was specified, we don't want
1223 * auto-expansion by default
1224 */
1225 darr->expand = 0;
1226 format++;
1227 req_length = atoi (format);
1228 darr->requested_field_len = req_length;
1229
1230 format = skip_numbers (format);
1231
1232 /* Now, if they insist on expansion */
1233 if (*format == '+'){
1234 darr->expand = 1;
1235 format++;
1236 }
1237
1238 }
1239
1240 break;
1241 }
1242 if (!found){
1243 char old_char;
1244
1245 int pos = min (8, strlen (format));
1246 delete_format (home);
1247 old_char = format [pos];
1248 format [pos] = 0;
1249 *error = g_strconcat (_("Unknown tag on display format: "), format, NULL);
1250 format [pos] = old_char;
1251 return 0;
1252 }
1253 total_cols += darr->requested_field_len;
1254 }
1255
1256 *res_total_cols = total_cols;
1257 if (home)
1258 home->items = items;
1259 return home;
1260 }
1261
1262 static format_e *
1263 use_display_format (WPanel *panel, char *format, char **error, int isstatus)
1264 {
1265 #define MAX_EXPAND 4
1266 int expand_top = 0; /* Max used element in expand */
1267 int usable_columns; /* Usable columns in the panel */
1268 int total_cols;
1269 char *expand_list [MAX_EXPAND]; /* Expand at most 4 fields. */
1270 int i;
1271 format_e *darr, *home;
1272
1273 if (!format)
1274 format = DEFAULT_USER_FORMAT;
1275
1276 home = parse_display_format (panel, format, error, isstatus, &total_cols);
1277
1278 if (*error)
1279 return 0;
1280
1281 /* Status needn't to be split */
1282 usable_columns = ((panel->widget.cols-2)/((isstatus)
1283 ? 1
1284 : (panel->split+1))) - (!isstatus && panel->split);
1285
1286 /* Clean expand list */
1287 for (i = 0; i < MAX_EXPAND; i++)
1288 expand_list [i] = '\0';
1289
1290
1291 /* Look for the expandable fields and set field_len based on the requested field len */
1292 for (darr = home; darr && expand_top < MAX_EXPAND; darr = darr->next){
1293 darr->field_len = darr->requested_field_len;
1294 if (darr->expand)
1295 expand_list [expand_top++] = darr->id;
1296 }
1297
1298 /* If we used more columns than the available columns, adjust that */
1299 if (total_cols > usable_columns){
1300 int pdif, dif = total_cols - usable_columns;
1301
1302 while (dif){
1303 pdif = dif;
1304 for (darr = home; darr; darr = darr->next){
1305 if (dif && darr->field_len - 1){
1306 darr->field_len--;
1307 dif--;
1308 }
1309 }
1310
1311 /* avoid endless loop if num fields > 40 */
1312 if (pdif == dif)
1313 break;
1314 }
1315 total_cols = usable_columns; /* give up, the rest should be truncated */
1316 }
1317
1318 /* Expand the available space */
1319 if ((usable_columns > total_cols) && expand_top){
1320 int spaces = (usable_columns - total_cols) / expand_top;
1321 int extra = (usable_columns - total_cols) % expand_top;
1322
1323 for (i = 0, darr = home; darr && (i < expand_top); darr = darr->next)
1324 if (darr->expand){
1325 darr->field_len += (spaces + ((i == 0) ? extra : 0));
1326 i++;
1327 }
1328 }
1329 return home;
1330 }
1331
1332 /* Switches the panel to the mode specified in the format */
1333 /* Seting up both format and status string. Return: 0 - on success; */
1334 /* 1 - format error; 2 - status error; 3 - errors in both formats. */
1335 int
1336 set_panel_formats (WPanel *p)
1337 {
1338 format_e *form;
1339 char *err;
1340 int retcode = 0;
1341
1342 form = use_display_format (p, panel_format (p), &err, 0);
1343
1344 if (err){
1345 g_free (err);
1346 retcode = 1;
1347 }
1348 else {
1349 if (p->format)
1350 delete_format (p->format);
1351
1352 p->format = form;
1353 }
1354
1355 if (show_mini_info){
1356
1357 form = use_display_format (p, mini_status_format (p), &err, 1);
1358
1359 if (err){
1360 g_free (err);
1361 retcode += 2;
1362 }
1363 else {
1364 if (p->status_format)
1365 delete_format (p->status_format);
1366
1367 p->status_format = form;
1368 }
1369 }
1370
1371 panel_format_modified (p);
1372 panel_update_cols (&(p->widget), p->frame_size);
1373
1374 if (retcode)
1375 message( 1, _(" Warning " ), _( "User suplied format looks invalid, reverting to default." ) );
1376 if (retcode & 0x01){
1377 g_free (p->user_format);
1378 p->user_format = g_strdup (DEFAULT_USER_FORMAT);
1379 }
1380 if (retcode & 0x02){
1381 g_free (p->user_status_format [p->list_type]);
1382 p->user_status_format [p->list_type] = g_strdup (DEFAULT_USER_FORMAT);
1383 }
1384
1385 return retcode;
1386 }
1387
1388 /* Given the panel->view_type returns the format string to be parsed */
1389 static char *
1390 panel_format (WPanel *panel)
1391 {
1392 switch (panel->list_type){
1393
1394 case list_long:
1395 return "full perm,space,nlink,space,owner,space,group,space,size,space,mtime,space,name";
1396
1397 case list_brief:
1398 return "half 2,type,name";
1399
1400 case list_user:
1401 return panel->user_format;
1402
1403 default:
1404 case list_full:
1405 return "half type,name,|,size,|,mtime";
1406 }
1407 }
1408
1409 static char *
1410 mini_status_format (WPanel *panel)
1411 {
1412 if (panel->user_mini_status)
1413 return panel->user_status_format [panel->list_type];
1414
1415 switch (panel->list_type){
1416
1417 case list_long:
1418 return "full perm,space,nlink,space,owner,space,group,space,size,space,mtime,space,name";
1419
1420 case list_brief:
1421 return "half type,name,space,bsize,space,perm,space";
1422
1423 case list_full:
1424 return "half type,name";
1425
1426 default:
1427 case list_user:
1428 return panel->user_format;
1429 }
1430 }
1431
1432 /* */
1433 /* Panel operation commands */
1434 /* */
1435
1436 /* Returns the number of items in the given panel */
1437 static int
1438 ITEMS (WPanel *p)
1439 {
1440 if (p->split)
1441 return llines (p) * 2;
1442 else
1443 return llines (p);
1444 }
1445
1446 /* This function sets redisplays the selection */
1447 void
1448 select_item (WPanel *panel)
1449 {
1450 int repaint = 0;
1451 int items = ITEMS (panel);
1452
1453 /* Although currently all over the code we set the selection and
1454 top file to decent values before calling select_item, I could
1455 forget it someday, so it's better to do the actual fitting here */
1456
1457 if (panel->top_file < 0){
1458 repaint = 1;
1459 panel->top_file = 0;
1460 }
1461
1462 if (panel->selected < 0)
1463 panel->selected = 0;
1464
1465 if (panel->selected > panel->count-1)
1466 panel->selected = panel->count - 1;
1467
1468 if (panel->top_file > panel->count-1){
1469 repaint = 1;
1470 panel->top_file = panel->count-1;
1471 }
1472
1473 if ((panel->count - panel->top_file) < items){
1474 repaint = 1;
1475 panel->top_file = panel->count - items;
1476 if (panel->top_file < 0)
1477 panel->top_file = 0;
1478 }
1479
1480 if (panel->selected < panel->top_file){
1481 repaint = 1;
1482 panel->top_file = panel->selected;
1483 }
1484
1485 if ((panel->selected - panel->top_file) >= items){
1486 repaint = 1;
1487 panel->top_file = panel->selected - items + 1;
1488 }
1489
1490 if (repaint)
1491 paint_panel (panel);
1492 else
1493 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked+1, 0);
1494
1495 display_mini_info (panel);
1496
1497 execute_hooks (select_file_hook);
1498 }
1499
1500 /* Clears all files in the panel, used only when one file was marked */
1501 void
1502 unmark_files (WPanel *panel)
1503 {
1504 int i;
1505
1506 if (!panel->marked)
1507 return;
1508 for (i = 0; i < panel->count; i++)
1509 file_mark (panel, i, 0);
1510
1511 panel->dirs_marked = 0;
1512 panel->marked = 0;
1513 panel->total = 0;
1514 }
1515
1516 static void
1517 unselect_item (WPanel *panel)
1518 {
1519 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked, 0);
1520 }
1521
1522 static void
1523 do_move_down (WPanel *panel)
1524 {
1525 if (panel->selected+1 == panel->count)
1526 return;
1527
1528 unselect_item (panel);
1529 panel->selected++;
1530
1531 if (panel->selected - panel->top_file == ITEMS (panel) &&
1532 panel_scroll_pages){
1533 /* Scroll window half screen */
1534 panel->top_file += ITEMS (panel)/2;
1535 if (panel->top_file > panel->count - ITEMS (panel))
1536 panel->top_file = panel->count - ITEMS (panel);
1537 paint_dir (panel);
1538 select_item (panel);
1539 }
1540 select_item (panel);
1541 }
1542
1543 static void
1544 do_move_up (WPanel *panel)
1545 {
1546 if (panel->selected == 0)
1547 return;
1548
1549 unselect_item (panel);
1550 panel->selected--;
1551 if (panel->selected < panel->top_file && panel_scroll_pages){
1552 /* Scroll window half screen */
1553 panel->top_file -= ITEMS (panel)/2;
1554 if (panel->top_file < 0) panel->top_file = 0;
1555 paint_dir (panel);
1556 }
1557 select_item (panel);
1558 }
1559
1560 static void
1561 move_rel (WPanel *panel, int rel)
1562 {
1563 unselect_item (panel);
1564
1565 if (rel < 0){
1566 if (panel->selected + rel < 0)
1567 panel->selected = 0;
1568 else
1569 panel->selected = panel->selected + rel;
1570 } else {
1571 if (panel->selected + rel >= panel->count)
1572 panel->selected = panel->count - 1;
1573 else
1574 panel->selected = panel->selected + rel;
1575 }
1576 select_item (panel);
1577 }
1578
1579 /* */
1580 /* Panel key binded commands */
1581 /* */
1582 static void
1583 move_up (WPanel *panel)
1584 {
1585 if (panel->list_type == list_icons){
1586 move_rel (panel, -ICONS_PER_ROW (panel));
1587 } else
1588 do_move_up (panel);
1589 }
1590
1591 static void
1592 move_down (WPanel *panel)
1593 {
1594 if (panel->list_type == list_icons){
1595 move_rel (panel, ICONS_PER_ROW (panel));
1596 } else
1597 do_move_down (panel);
1598 }
1599
1600 /* Changes the selection by lines (may be negative) */
1601 static void
1602 move_selection (WPanel *panel, int lines)
1603 {
1604 int new_pos;
1605 int adjust = 0;
1606
1607 new_pos = panel->selected + lines;
1608 if (new_pos >= panel->count)
1609 new_pos = panel->count-1;
1610
1611 if (new_pos < 0)
1612 new_pos = 0;
1613
1614 unselect_item (panel);
1615 panel->selected = new_pos;
1616
1617 if (panel->selected - panel->top_file >= ITEMS (panel)){
1618 panel->top_file += lines;
1619 adjust = 1;
1620 }
1621
1622 if (panel->selected - panel->top_file < 0){
1623 panel->top_file += lines;
1624 adjust = 1;
1625 }
1626
1627 if (adjust){
1628 if (panel->top_file > panel->selected)
1629 panel->top_file = panel->selected;
1630 if (panel->top_file < 0)
1631 panel->top_file = 0;
1632 paint_dir (panel);
1633 }
1634 select_item (panel);
1635 }
1636
1637 static int
1638 move_left (WPanel *panel, int c_code)
1639 {
1640 if (panel->list_type == list_icons){
1641 do_move_up (panel);
1642 return 1;
1643 } else {
1644 if (panel->split){
1645 move_selection (panel, -llines (panel));
1646 return 1;
1647 } else
1648 return maybe_cd (c_code, 0);
1649 }
1650 }
1651
1652 static int
1653 move_right (WPanel *panel, int c_code)
1654 {
1655 if (panel->list_type == list_icons){
1656 do_move_down (panel);
1657 return 1;
1658 } else {
1659 if (panel->split){
1660 move_selection (panel, llines (panel));
1661 return 1;
1662 } else
1663 return maybe_cd (c_code, 1);
1664 }
1665 }
1666
1667 static void
1668 prev_page (WPanel *panel)
1669 {
1670 int items;
1671
1672 if (!panel->selected && !panel->top_file)
1673 return;
1674 unselect_item (panel);
1675 items = ITEMS (panel);
1676 if (panel->top_file < items)
1677 items = panel->top_file;
1678 if (!items)
1679 panel->selected = 0;
1680 else
1681 panel->selected -= items;
1682 panel->top_file -= items;
1683
1684 /* This keeps the selection in a reasonable place */
1685 if (panel->selected < 0)
1686 panel->selected = 0;
1687 if (panel->top_file < 0)
1688 panel->top_file = 0;
1689 select_item (panel);
1690 paint_dir (panel);
1691 }
1692
1693 static void
1694 prev_page_key (WPanel *panel)
1695 {
1696 if (ctrl_pressed ()){
1697 do_cd ("..", cd_exact);
1698 } else {
1699 prev_page (panel);
1700 }
1701 }
1702
1703 static void
1704 next_page (WPanel *panel)
1705 {
1706 int items;
1707
1708 if (panel->selected == panel->count - 1)
1709 return;
1710 unselect_item (panel);
1711 items = ITEMS (panel);
1712 if (panel->top_file > panel->count - 2 * items)
1713 items = panel->count - items - panel->top_file;
1714 if (panel->top_file + items < 0)
1715 items = - panel->top_file;
1716 if (!items)
1717 panel->selected = panel->count - 1;
1718 else
1719 panel->selected += items;
1720 panel->top_file += items;
1721
1722 /* This keeps the selection in it's relative position */
1723 if (panel->selected >= panel->count)
1724 panel->selected = panel->count - 1;
1725 if (panel->top_file >= panel->count)
1726 panel->top_file = panel->count - 1;
1727 select_item (panel);
1728 paint_dir (panel);
1729 }
1730
1731 static void next_page_key (WPanel *panel)
1732 {
1733 if (ctrl_pressed() &&
1734 (S_ISDIR(selection (panel)->buf.st_mode) ||
1735 link_isdir (selection (panel)))) {
1736 do_cd (selection (panel)->fname, cd_exact);
1737 } else {
1738 next_page (panel);
1739 }
1740 }
1741
1742 static void
1743 goto_top_file (WPanel *panel)
1744 {
1745 unselect_item (panel);
1746 panel->selected = panel->top_file;
1747 select_item (panel);
1748 }
1749
1750 static void
1751 goto_middle_file (WPanel *panel)
1752 {
1753 unselect_item (panel);
1754 panel->selected = panel->top_file + (ITEMS (panel)/2);
1755 if (panel->selected >= panel->count)
1756 panel->selected = panel->count - 1;
1757 select_item (panel);
1758 }
1759
1760 static void
1761 goto_bottom_file (WPanel *panel)
1762 {
1763 unselect_item (panel);
1764 panel->selected = panel->top_file + ITEMS (panel)-1;
1765 if (panel->selected >= panel->count)
1766 panel->selected = panel->count - 1;
1767 select_item (panel);
1768 }
1769
1770 static void
1771 move_home (WPanel *panel)
1772 {
1773 if (panel->selected == 0)
1774 return;
1775 unselect_item (panel);
1776
1777 if (torben_fj_mode){
1778 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1779
1780 if (panel->selected > middle_pos){
1781 goto_middle_file (panel);
1782 return;
1783 }
1784 if (panel->selected != panel->top_file){
1785 goto_top_file (panel);
1786 return;
1787 }
1788 }
1789
1790 panel->top_file = 0;
1791 panel->selected = 0;
1792
1793 paint_dir (panel);
1794 select_item (panel);
1795 }
1796
1797 static void
1798 move_end (WPanel *panel)
1799 {
1800 if (panel->selected == panel->count-1)
1801 return;
1802 unselect_item (panel);
1803 if (torben_fj_mode){
1804 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1805
1806 if (panel->selected < middle_pos){
1807 goto_middle_file (panel);
1808 return;
1809 }
1810 if (panel->selected != (panel->top_file + ITEMS(panel)-1)){
1811 goto_bottom_file (panel);
1812 return;
1813 }
1814 }
1815
1816 panel->selected = panel->count-1;
1817 paint_dir (panel);
1818 select_item (panel);
1819 }
1820
1821 /* Recalculate the panels summary information, used e.g. when marked
1822 files might have been removed by an external command */
1823 void
1824 recalculate_panel_summary (WPanel *panel)
1825 {
1826 int i;
1827
1828 panel->marked = 0;
1829 panel->dirs_marked = 0;
1830 panel->total = 0;
1831
1832 for (i = 0; i < panel->count; i++)
1833 if (panel->dir.list [i].f.marked){
1834 /* do_file_mark will return immediately if newmark == oldmark.
1835 So we have to first unmark it to get panel's summary information
1836 updated. (Norbert) */
1837 panel->dir.list [i].f.marked = 0;
1838 do_file_mark (panel, i, 1);
1839 }
1840 }
1841
1842 /* This routine marks a file or a directory */
1843 void
1844 do_file_mark (WPanel *panel, int idx, int mark)
1845 {
1846 if (panel->dir.list [idx].f.marked == mark)
1847 return;
1848 /*
1849 * Only '..' can't be marked, '.' isn't visible.
1850 */
1851 if (strcmp (panel->dir.list [idx].fname, "..")){
1852 file_mark (panel, idx, mark);
1853 if (panel->dir.list [idx].f.marked){
1854 panel->marked++;
1855 if (S_ISDIR (panel->dir.list [idx].buf.st_mode)) {
1856 if (panel->dir.list [idx].f.dir_size_computed)
1857 panel->total += panel->dir.list [idx].buf.st_size;
1858 panel->dirs_marked++;
1859 } else
1860 panel->total += panel->dir.list [idx].buf.st_size;
1861 set_colors (panel);
1862 } else {
1863 if (S_ISDIR(panel->dir.list [idx].buf.st_mode)) {
1864 if (panel->dir.list [idx].f.dir_size_computed)
1865 panel->total -= panel->dir.list [idx].buf.st_size;
1866 panel->dirs_marked--;
1867 } else
1868 panel->total -= panel->dir.list [idx].buf.st_size;
1869 panel->marked--;
1870 }
1871 }
1872 }
1873
1874 static void
1875 do_mark_file (WPanel *panel, int do_move)
1876 {
1877 int idx = panel->selected;
1878
1879 do_file_mark (panel, idx, selection (panel)->f.marked ? 0 : 1);
1880 repaint_file (panel, idx, 1, 2*panel->dir.list [idx].f.marked+1, 0);
1881
1882 if (mark_moves_down && do_move)
1883 move_down (panel);
1884 display_mini_info (panel);
1885 }
1886
1887 static void
1888 mark_file (WPanel *panel)
1889 {
1890 do_mark_file (panel, 1);
1891 }
1892
1893 /* Incremental search of a file name in the panel */
1894 static void
1895 do_search (WPanel *panel, int c_code)
1896 {
1897 int l, i;
1898 int wrapped = 0;
1899 int found;
1900
1901 l = strlen (panel->search_buffer);
1902 if (l && (c_code == 8 || c_code == 0177 || c_code == KEY_BACKSPACE))
1903 panel->search_buffer [--l] = 0;
1904 else {
1905 if (c_code && l < sizeof (panel->search_buffer)){
1906 panel->search_buffer [l] = c_code;
1907 panel->search_buffer [l+1] = 0;
1908 l++;
1909 }
1910 }
1911
1912 found = 0;
1913 for (i = panel->selected; !wrapped || i != panel->selected; i++){
1914 if (i >= panel->count){
1915 i = 0;
1916 if (wrapped)
1917 break;
1918 wrapped = 1;
1919 }
1920 if (STRNCOMP (panel->dir.list [i].fname, panel->search_buffer, l) == 0){
1921 unselect_item (panel);
1922 panel->selected = i;
1923 select_item (panel);
1924 found = 1;
1925 break;
1926 }
1927 }
1928 if (!found)
1929 panel->search_buffer [--l] = 0;
1930
1931 paint_panel (panel);
1932 }
1933
1934 static void
1935 start_search (WPanel *panel)
1936 {
1937 if (panel->searching){
1938 if (panel->selected+1 == panel->count)
1939 panel->selected = 0;
1940 else
1941 do_move_down (panel);
1942 do_search (panel, 0);
1943 } else {
1944 panel->searching = 1;
1945 panel->search_buffer [0] = 0;
1946 display_mini_info (panel);
1947 mc_refresh ();
1948 }
1949 }
1950
1951 /* Return 1 if the Enter key has been processed, 0 otherwise */
1952 static int
1953 do_enter_on_file_entry (file_entry *fe)
1954 {
1955 char *full_name;
1956
1957 /* Directory or link to directory - change directory */
1958 if (S_ISDIR (fe->buf.st_mode) || link_isdir (fe)) {
1959 do_cd (fe->fname, cd_exact);
1960 return 1;
1961 }
1962
1963 /* Try associated command */
1964 if (regex_command (fe->fname, "Open", 0))
1965 return 1;
1966
1967 /* Check if the file is executable */
1968 full_name = concat_dir_and_file (cpanel->cwd, fe->fname);
1969 if (!is_exe (fe->buf.st_mode) || !if_link_is_exe (full_name, fe)) {
1970 g_free (full_name);
1971 return 0;
1972 }
1973 g_free (full_name);
1974
1975 #ifdef USE_VFS
1976 if (vfs_current_is_local ())
1977 #endif
1978 {
1979 char *tmp = name_quote (fe->fname, 0);
1980 char *cmd = g_strconcat (".", PATH_SEP_STR, tmp, NULL);
1981 g_free (tmp);
1982 if (!confirm_execute || (query_dialog (_(" The Midnight Commander "),
1983 _(" Do you really want to execute? "),
1984 0, 2, _("&Yes"), _("&No")) == 0))
1985 execute (cmd);
1986 g_free (cmd);
1987 }
1988 #ifdef USE_VFS
1989 else {
1990 char *tmp;
1991
1992 tmp = concat_dir_and_file (vfs_get_current_dir(), fe->fname);
1993 if (!mc_setctl (tmp, MCCTL_EXTFS_RUN, NULL))
1994 /* Execution on this filesysten is not implemented */
1995 message (1, _(" Warning "), _(" No action taken "));
1996 g_free (tmp);
1997 }
1998 #endif /* USE_VFS */
1999
2000 return 1;
2001 }
2002
2003 static int
2004 do_enter (WPanel *panel)
2005 {
2006 return do_enter_on_file_entry (selection (panel));
2007 }
2008
2009 static void
2010 chdir_other_panel (WPanel *panel)
2011 {
2012 char *new_dir;
2013
2014 if (get_other_type () != view_listing)
2015 return;
2016
2017 if (!S_ISDIR (panel->dir.list [panel->selected].buf.st_mode))
2018 new_dir = concat_dir_and_file (panel->cwd, "..");
2019 else
2020 new_dir = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
2021
2022 change_panel ();
2023 do_cd (new_dir, cd_exact);
2024 change_panel ();
2025
2026 move_down (panel);
2027
2028 g_free (new_dir);
2029 }
2030
2031 static void
2032 chdir_to_readlink (WPanel *panel)
2033 {
2034 char *new_dir;
2035
2036 if (get_other_type () != view_listing)
2037 return;
2038
2039 if (S_ISLNK (panel->dir.list [panel->selected].buf.st_mode)) {
2040 char buffer [MC_MAXPATHLEN], *p;
2041 int i;
2042 struct stat mybuf;
2043
2044 i = readlink (selection (panel)->fname, buffer, MC_MAXPATHLEN);
2045 if (i < 0)
2046 return;
2047 if (mc_stat (selection (panel)->fname, &mybuf) < 0)
2048 return;
2049 buffer [i] = 0;
2050 if (!S_ISDIR (mybuf.st_mode)) {
2051 p = strrchr (buffer, PATH_SEP);
2052 if (p && !p[1]) {
2053 *p = 0;
2054 p = strrchr (buffer, PATH_SEP);
2055 }
2056 if (!p)
2057 return;
2058 p[1] = 0;
2059 }
2060 if (*buffer == PATH_SEP)
2061 new_dir = g_strdup (buffer);
2062 else
2063 new_dir = concat_dir_and_file (panel->cwd, buffer);
2064
2065 change_panel ();
2066 do_cd (new_dir, cd_exact);
2067 change_panel ();
2068
2069 move_down (panel);
2070
2071 g_free (new_dir);
2072 }
2073 }
2074
2075 static const key_map panel_keymap [] = {
2076 { KEY_DOWN, move_down },
2077 { KEY_UP, move_up },
2078
2079 /* The action button :-) */
2080 { '\n', (key_callback) do_enter },
2081 { KEY_ENTER, (key_callback) do_enter },
2082
2083 { KEY_IC, mark_file },
2084 { KEY_HOME, move_home },
2085 { KEY_C1, move_end },
2086 { KEY_END, move_end },
2087 { KEY_A1, move_home },
2088 { KEY_NPAGE, next_page_key },
2089 { KEY_PPAGE, prev_page_key },
2090
2091 /* To quickly move in the panel */
2092 { ALT('g'), goto_top_file },
2093 { ALT('r'), goto_middle_file }, /* M-r like emacs */
2094 { ALT('j'), goto_bottom_file },
2095
2096 #ifdef NATIVE_WIN32
2097 { ALT(KEY_F(11)), drive_cmd_a },
2098 { ALT(KEY_F(12)), drive_cmd_b },
2099 { ALT('d'), drive_chg },
2100 #endif
2101
2102 /* Emacs-like bindings */
2103 { XCTRL('v'), next_page }, /* C-v like emacs */
2104 { ALT('v'), prev_page }, /* M-v like emacs */
2105 { XCTRL('p'), move_up }, /* C-p like emacs */
2106 { XCTRL('n'), move_down }, /* C-n like emacs */
2107 { XCTRL('s'), start_search }, /* C-s like emacs */
2108 { ALT('s'), start_search }, /* M-s not like emacs */
2109 { XCTRL('t'), mark_file },
2110 { ALT('o'), chdir_other_panel },
2111 { ALT('l'), chdir_to_readlink },
2112 { ALT('H'), directory_history_list },
2113 { KEY_F(13), view_simple_cmd },
2114 { KEY_F(14), edit_cmd_new },
2115 { KEY_F(15), copy_cmd_local },
2116 { KEY_F(16), ren_cmd_local },
2117 { ALT('y'), directory_history_prev },
2118 { ALT('u'), directory_history_next },
2119 { ALT('+'), select_cmd_panel },
2120 { KEY_KP_ADD, select_cmd_panel },
2121 { ALT('\\'), unselect_cmd_panel },
2122 { ALT('-'), unselect_cmd_panel },
2123 { KEY_KP_SUBTRACT, unselect_cmd_panel },
2124 { ALT('*'), reverse_selection_cmd_panel },
2125 { KEY_KP_MULTIPLY, reverse_selection_cmd_panel },
2126 { 0, 0 }
2127 };
2128
2129 static inline int
2130 panel_key (WPanel *panel, int key)
2131 {
2132 int i;
2133
2134 for (i = 0; panel_keymap [i].key_code; i++){
2135 if (key == panel_keymap [i].key_code){
2136 if (panel_keymap [i].fn != start_search)
2137 panel->searching = 0;
2138 (*panel_keymap [i].fn)(panel);
2139 return 1;
2140 }
2141 }
2142 if (torben_fj_mode && key == ALT('h')) {
2143 goto_middle_file (panel);
2144 return 1;
2145 }
2146
2147 /* We do not want to take a key press if nothing can be done with it */
2148 /* The command line widget may do something more usefull */
2149 if (key == KEY_LEFT)
2150 return move_left (panel, key);
2151
2152 if (key == KEY_RIGHT)
2153 return move_right (panel, key);
2154
2155 if (is_abort_char (key)) {
2156 panel->searching = 0;
2157 display_mini_info (panel);
2158 return 1;
2159 }
2160
2161 /* Do not eat characters not meant for the panel below ' ' (e.g. C-l). */
2162 if ((key >= ' '&& key <= 255) || key == 8 || key == KEY_BACKSPACE) {
2163 if (panel->searching){
2164 do_search (panel, key);
2165 return 1;
2166 }
2167
2168 if (!command_prompt)
2169 {
2170 start_search (panel);
2171 do_search (panel, key);
2172 return 1;
2173 }
2174 }
2175
2176 return 0;
2177 }
2178
2179 void user_file_menu_cmd (void) {
2180 user_menu_cmd (NULL);
2181 }
2182
2183 static int
2184 panel_callback (Dlg_head *h, WPanel *panel, int msg, int par)
2185 {
2186 switch (msg){
2187 case WIDGET_INIT:
2188 return 1;
2189
2190 case WIDGET_DRAW:
2191 paint_panel (panel);
2192 break;
2193
2194 case WIDGET_FOCUS:
2195 current_panel = panel;
2196 panel->active = 1;
2197 if (mc_chdir (panel->cwd) != 0) {
2198 message (1, MSG_ERROR, _(" Cannot chdir to \"%s\" \n %s "),
2199 panel->cwd, unix_error_string (errno));
2200 } else
2201 subshell_chdir (panel->cwd);
2202
2203 show_dir (panel);
2204 select_item (panel);
2205
2206 define_label (h, (Widget *)panel, 1, _("Help"), help_cmd);
2207 define_label (h, (Widget *)panel, 2, _("Menu"), user_file_menu_cmd);
2208 define_label (h, (Widget *)panel, 3, _("View"), view_panel_cmd);
2209 define_label (h, (Widget *)panel, 4, _("Edit"), edit_panel_cmd);
2210 define_label (h, (Widget *)panel, 5, _("Copy"), copy_cmd);
2211 define_label (h, (Widget *)panel, 6, _("RenMov"), ren_cmd);
2212 define_label (h, (Widget *)panel, 7, _("Mkdir"), mkdir_panel_cmd);
2213 define_label (h, (Widget *)panel, 8, _("Delete"), delete_cmd);
2214 redraw_labels (h, (Widget *)panel);
2215
2216 /* Chain behaviour */
2217 default_proc (h, WIDGET_FOCUS, par);
2218 return 1;
2219
2220 case WIDGET_UNFOCUS:
2221 /* Janne: look at this for the multiple panel options */
2222 if (panel->searching){
2223 panel->searching = 0;
2224 display_mini_info (panel);
2225 }
2226 panel->active = 0;
2227 show_dir (panel);
2228 unselect_item (panel);
2229 return 1;
2230
2231 case WIDGET_KEY:
2232 return panel_key (panel, par);
2233 break;
2234 }
2235 return default_proc (h, msg, par);
2236 }
2237
2238 void
2239 file_mark (WPanel *panel, int index, int val)
2240 {
2241 panel->dir.list [index].f.marked = val;
2242 }
2243
2244 /* */
2245 /* Panel mouse events support routines */
2246 /* */
2247 static int mouse_marking = 0;
2248
2249 static void
2250 mouse_toggle_mark (WPanel *panel)
2251 {
2252 do_mark_file (panel, 0);
2253 mouse_marking = selection (panel)->f.marked;
2254 }
2255
2256 static void
2257 mouse_set_mark (WPanel *panel)
2258 {
2259 if (mouse_marking && !(selection (panel)->f.marked))
2260 do_mark_file (panel, 0);
2261 else if (!mouse_marking && (selection (panel)->f.marked))
2262 do_mark_file (panel, 0);
2263 }
2264
2265 static inline int
2266 mark_if_marking (WPanel *panel, Gpm_Event *event)
2267 {
2268 if (event->buttons & GPM_B_RIGHT){
2269 if (event->type & GPM_DOWN)
2270 mouse_toggle_mark (panel);
2271 else
2272 mouse_set_mark (panel);
2273 return 1;
2274 }
2275 return 0;
2276 }
2277
2278 static int
2279 panel_event (Gpm_Event *event, WPanel *panel)
2280 {
2281 const int lines = llines (panel);
2282
2283 int my_index;
2284
2285 if (event->type & GPM_DOWN && event->x == 1 + 1 && event->y == 0 + 1) {
2286 directory_history_prev (panel);
2287 return MOU_NORMAL;
2288 }
2289
2290 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 2 + 1 && event->y == 0 + 1) {
2291 directory_history_next (panel);
2292 return MOU_NORMAL;
2293 }
2294
2295 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 3 + 1 && event->y == 0 + 1) {
2296 directory_history_list (panel);
2297 return MOU_NORMAL;
2298 }
2299
2300 event->y -= 2;
2301 if ((event->type & (GPM_DOWN|GPM_DRAG))){
2302
2303 if (panel != (WPanel *) current_dlg->current->widget)
2304 change_panel ();
2305
2306 if (event->y <= 0){
2307 mark_if_marking (panel, event);
2308 if (mouse_move_pages)
2309 prev_page (panel);
2310 else
2311 move_up (panel);
2312 return MOU_REPEAT;
2313 }
2314
2315 if (!((panel->top_file + event->y <= panel->count) &&
2316 event->y <= lines)){
2317 mark_if_marking (panel, event);
2318 if (mouse_move_pages)
2319 next_page (panel);
2320 else
2321 move_down (panel);
2322 return MOU_REPEAT;
2323 }
2324 my_index = panel->top_file + event->y - 1;
2325 if (panel->split){
2326 if (event->x > ((panel->widget.cols-2)/2))
2327 my_index += llines (panel);
2328 }
2329
2330 if (my_index >= panel->count)
2331 my_index = panel->count - 1;
2332
2333 if (my_index != panel->selected){
2334 unselect_item (panel);
2335 panel->selected = my_index;
2336 select_item (panel);
2337 }
2338
2339 /* This one is new */
2340 mark_if_marking (panel, event);
2341
2342 } else if ((event->type & (GPM_UP|GPM_DOUBLE)) == (GPM_UP|GPM_DOUBLE)){
2343 if (event->y > 0 && event->y <= lines)
2344 do_enter (panel);
2345 }
2346 return MOU_NORMAL;
2347 }
2348
2349 void
2350 panel_re_sort (WPanel *panel)
2351 {
2352 char *filename;
2353 int i;
2354
2355 if (panel == NULL)
2356 return;
2357
2358 filename = g_strdup (selection (panel)->fname);
2359 unselect_item (panel);
2360 do_sort (&panel->dir, panel->sort_type, panel->count-1, panel->reverse, panel->case_sensitive);
2361 panel->selected = -1;
2362 for (i = panel->count; i; i--){
2363 if (!strcmp (panel->dir.list [i-1].fname, filename)){
2364 panel->selected = i-1;
2365 break;
2366 }
2367 }
2368 g_free (filename);
2369 panel->top_file = panel->selected - ITEMS (panel)/2;
2370 if (panel->top_file < 0)
2371 panel->top_file = 0;
2372 select_item (panel);
2373 panel_update_contents (panel);
2374 }
2375
2376 void
2377 panel_set_sort_order (WPanel *panel, sortfn *sort_order)
2378 {
2379 if (sort_order == 0)
2380 return;
2381
2382 panel->sort_type = sort_order;
2383
2384 /* The directory is already sorted, we have to load the unsorted stuff */
2385 if (sort_order == (sortfn *) unsorted){
2386 char *current_file;
2387
2388 current_file = g_strdup (panel->dir.list [panel->selected].fname);
2389 panel_reload (panel);
2390 try_to_select (panel, current_file);
2391 g_free (current_file);
2392 }
2393 panel_re_sort (panel);
2394 }
Midnight Commander