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*** empty log message ***
[midnight-commander.git] / src / screen.c
blob8f989a73d30aacb24caf16dc8a1b294207e21ca8
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 _OS_NT
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 if (hascolors)
93 attrset (NORMAL_COLOR);
94 }
95
96 #ifndef ICONS_PER_ROW
97 # define ICONS_PER_ROW(x) 1
98 #endif
99
100 /* Delete format string, it is a linked list */
101 static void
102 delete_format (format_e *format)
103 {
104 format_e *next;
105
106 while (format){
107 next = format->next;
108 g_free (format);
109 format = next;
110 }
111 }
112
113 /* This code relies on the default justification!!! */
114 static void
115 add_permission_string (char *dest, int width, file_entry *fe, int attr, int color, int is_octal)
116 {
117 int i, r, l;
118
119 l = get_user_permissions (&fe->buf);
120
121 if (is_octal){
122 /* Place of the access bit in octal mode */
123 l = width + l - 3;
124 r = l + 1;
125 } else {
126 /* The same to the triplet in string mode */
127 l = l * 3 + 1;
128 r = l + 3;
129 }
130
131 for(i = 0; i < width; i++){
132 if (i >= l && i < r){
133 if (attr == SELECTED || attr == MARKED_SELECTED)
134 attrset (MARKED_SELECTED_COLOR);
135 else
136 attrset (MARKED_COLOR);
137 } else
138 attrset (color);
139
140 addch (dest[i]);
141 }
142 }
143
144 /* String representations of various file attributes */
145 /* name */
146 static const char *
147 string_file_name (file_entry *fe, int len)
148 {
149 static char buffer [BUF_SMALL];
150 int i;
151
152 for (i = 0; i < sizeof(buffer); i++) {
153 char c;
154
155 c = fe->fname[i];
156
157 if (!c)
158 break;
159
160 if (!is_printable(c))
161 c = '?';
162
163 buffer[i] = c;
164 }
165
166 buffer[i] = 0;
167 return buffer;
168 }
169
170 /* size */
171 static const char *
172 string_file_size (file_entry *fe, int len)
173 {
174 static char buffer [BUF_TINY];
175
176 /* Don't ever show size of ".." since we don't calculate it */
177 if (!strcmp (fe->fname, "..")) {
178 strcpy (buffer, _("UP--DIR"));
179 return buffer;
180 }
181
182 #ifdef HAVE_ST_RDEV
183 if (S_ISBLK (fe->buf.st_mode) || S_ISCHR (fe->buf.st_mode))
184 g_snprintf (buffer, sizeof (buffer), "%3d,%3d",
185 (int) ((fe->buf.st_rdev >> 8) & 0xff),
186 (int) (fe->buf.st_rdev & 0xff));
187 else
188 #endif
189 {
190 size_trunc_len (buffer, len, fe->buf.st_size, 0);
191 }
192 return buffer;
193 }
194
195 /* bsize */
196 static const char *
197 string_file_size_brief (file_entry *fe, int len)
198 {
199 static char buffer [BUF_TINY];
200
201 if (S_ISLNK (fe->buf.st_mode) && !fe->f.link_to_dir) {
202 strcpy (buffer, _("SYMLINK"));
203 return buffer;
204 }
205
206 if ((S_ISDIR (fe->buf.st_mode) || fe->f.link_to_dir) && strcmp (fe->fname, "..")) {
207 strcpy (buffer, _("SUB-DIR"));
208 return buffer;
209 }
210
211 return string_file_size (fe, len);
212 }
213
214 /* This functions return a string representation of a file entry */
215 /* type */
216 static const char *
217 string_file_type (file_entry *fe, int len)
218 {
219 static char buffer [2];
220
221 if (S_ISDIR (fe->buf.st_mode))
222 buffer [0] = PATH_SEP;
223 else if (S_ISLNK (fe->buf.st_mode)) {
224 if (fe->f.link_to_dir)
225 buffer [0] = '~';
226 else if (fe->f.stalled_link)
227 buffer [0] = '!';
228 else
229 buffer [0] = '@';
230 } else if (S_ISCHR (fe->buf.st_mode))
231 buffer [0] = '-';
232 #ifdef S_ISSOCK
233 else if (S_ISSOCK (fe->buf.st_mode))
234 buffer [0] = '=';
235 #endif
236 #ifdef S_ISDOOR
237 else if (S_ISDOOR (fe->buf.st_mode))
238 buffer [0] = '>';
239 #endif
240 else if (S_ISBLK (fe->buf.st_mode))
241 buffer [0] = '+';
242 else if (S_ISFIFO (fe->buf.st_mode))
243 buffer [0] = '|';
244 else if (is_exe (fe->buf.st_mode))
245 buffer [0] = '*';
246 else
247 buffer [0] = ' ';
248 buffer [1] = '\0';
249 return buffer;
250 }
251
252 /* mtime */
253 static const char *
254 string_file_mtime (file_entry *fe, int len)
255 {
256 if (!strcmp (fe->fname, "..")) {
257 return "";
258 }
259 return file_date (fe->buf.st_mtime);
260 }
261
262 /* atime */
263 static const char *
264 string_file_atime (file_entry *fe, int len)
265 {
266 if (!strcmp (fe->fname, "..")) {
267 return "";
268 }
269 return file_date (fe->buf.st_atime);
270 }
271
272 /* ctime */
273 static const char *
274 string_file_ctime (file_entry *fe, int len)
275 {
276 if (!strcmp (fe->fname, "..")) {
277 return "";
278 }
279 return file_date (fe->buf.st_ctime);
280 }
281
282 /* perm */
283 static const char *
284 string_file_permission (file_entry *fe, int len)
285 {
286 return string_perm (fe->buf.st_mode);
287 }
288
289 /* mode */
290 static const char *
291 string_file_perm_octal (file_entry *fe, int len)
292 {
293 static char buffer [10];
294
295 g_snprintf (buffer, sizeof (buffer), "0%06o", fe->buf.st_mode);
296 return buffer;
297 }
298
299 /* nlink */
300 static const char *
301 string_file_nlinks (file_entry *fe, int len)
302 {
303 static char buffer [BUF_TINY];
304
305 g_snprintf (buffer, sizeof (buffer), "%16d", fe->buf.st_nlink);
306 return buffer;
307 }
308
309 /* inode */
310 static const char *
311 string_inode (file_entry *fe, int len)
312 {
313 static char buffer [10];
314
315 g_snprintf (buffer, sizeof (buffer), "%lu", (unsigned long) fe->buf.st_ino);
316 return buffer;
317 }
318
319 /* nuid */
320 static const char *
321 string_file_nuid (file_entry *fe, int len)
322 {
323 static char buffer [10];
324
325 g_snprintf (buffer, sizeof (buffer), "%d", fe->buf.st_uid);
326 return buffer;
327 }
328
329 /* ngid */
330 static const char *
331 string_file_ngid (file_entry *fe, int len)
332 {
333 static char buffer [10];
334
335 g_snprintf (buffer, sizeof (buffer), "%d", fe->buf.st_gid);
336 return buffer;
337 }
338
339 /* owner */
340 static const char *
341 string_file_owner (file_entry *fe, int len)
342 {
343 return get_owner (fe->buf.st_uid);
344 }
345
346 /* group */
347 static const char *
348 string_file_group (file_entry *fe, int len)
349 {
350 return get_group (fe->buf.st_gid);
351 }
352
353 /* mark */
354 static const char *
355 string_marked (file_entry *fe, int len)
356 {
357 return fe->f.marked ? "*" : " ";
358 }
359
360 /* space */
361 static const char *
362 string_space (file_entry *fe, int len)
363 {
364 return " ";
365 }
366
367 /* dot */
368 static const char *
369 string_dot (file_entry *fe, int len)
370 {
371 return ".";
372 }
373
374 #define GT 1
375
376 static struct {
377 char *id;
378 int min_size;
379 int expands;
380 int default_just;
381 char *title;
382 int use_in_gui;
383 const char *(*string_fn)(file_entry *, int);
384 sortfn *sort_routine;
385 } formats [] = {
386 { "name", 12, 1, J_LEFT_FIT, N_("Name"), 1, string_file_name, (sortfn *) sort_name },
387 { "size", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size, (sortfn *) sort_size },
388 { "bsize", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size_brief, (sortfn *) sort_size },
389 { "type", GT, 0, J_LEFT, "", 2, string_file_type, (sortfn *) sort_type },
390 { "mtime", 12, 0, J_RIGHT, N_("MTime"), 1, string_file_mtime, (sortfn *) sort_time },
391 { "atime", 12, 0, J_RIGHT, N_("ATime"), 1, string_file_atime, (sortfn *) sort_atime },
392 { "ctime", 12, 0, J_RIGHT, N_("CTime"), 1, string_file_ctime, (sortfn *) sort_ctime },
393 { "perm", 10, 0, J_LEFT, N_("Permission"),1,string_file_permission, NULL },
394 { "mode", 6, 0, J_RIGHT, N_("Perm"), 1, string_file_perm_octal, NULL },
395 { "nlink", 2, 0, J_RIGHT, N_("Nl"), 1, string_file_nlinks, (sortfn *) sort_links },
396 { "inode", 5, 0, J_RIGHT, N_("Inode"), 1, string_inode, (sortfn *) sort_inode },
397 { "nuid", 5, 0, J_RIGHT, N_("UID"), 1, string_file_nuid, (sortfn *) sort_nuid },
398 { "ngid", 5, 0, J_RIGHT, N_("GID"), 1, string_file_ngid, (sortfn *) sort_ngid },
399 { "owner", 8, 0, J_LEFT_FIT, N_("Owner"), 1, string_file_owner, (sortfn *) sort_owner },
400 { "group", 8, 0, J_LEFT_FIT, N_("Group"), 1, string_file_group, (sortfn *) sort_group },
401 { "mark", 1, 0, J_RIGHT, " ", 1, string_marked, NULL },
402 { "|", 1, 0, J_RIGHT, " ", 0, NULL, NULL },
403 { "space", 1, 0, J_RIGHT, " ", 0, string_space, NULL },
404 { "dot", 1, 0, J_RIGHT, " ", 0, string_dot, NULL },
405 };
406
407 static char *
408 to_buffer (char *dest, int just_mode, int len, const char *txt)
409 {
410 int txtlen = strlen (txt);
411 int still, over;
412
413 /* Fill buffer with spaces */
414 memset (dest, ' ', len);
415
416 still = (over=(txtlen > len)) ? (txtlen - len) : (len - txtlen);
417
418 switch (HIDE_FIT(just_mode)){
419 case J_LEFT:
420 still = 0;
421 break;
422 case J_CENTER:
423 still /= 2;
424 break;
425 case J_RIGHT:
426 default:
427 break;
428 }
429
430 if (over){
431 if (IS_FIT(just_mode))
432 strcpy (dest, name_trunc(txt, len));
433 else
434 strncpy (dest, txt+still, len);
435 } else
436 strncpy (dest+still, txt, txtlen);
437
438 dest[len] = '\0';
439
440 return (dest + len);
441 }
442
443 static int
444 file_compute_color (int attr, file_entry *fe)
445 {
446 switch (attr){
447 case SELECTED:
448 return (SELECTED_COLOR);
449 case MARKED:
450 return (MARKED_COLOR);
451 case MARKED_SELECTED:
452 return (MARKED_SELECTED_COLOR);
453 case STATUS:
454 return (NORMAL_COLOR);
455 case NORMAL:
456 default:
457 if (!filetype_mode)
458 return (NORMAL_COLOR);
459 }
460
461 /* if filetype_mode == true */
462 if (S_ISDIR (fe->buf.st_mode))
463 return (DIRECTORY_COLOR);
464 else if (S_ISLNK (fe->buf.st_mode)){
465 if (fe->f.link_to_dir)
466 return (DIRECTORY_COLOR);
467 else if (fe->f.stalled_link)
468 return (STALLED_LINK_COLOR);
469 else
470 return (LINK_COLOR);
471 } else if (S_ISSOCK (fe->buf.st_mode))
472 return (SPECIAL_COLOR);
473 else if (S_ISCHR (fe->buf.st_mode))
474 return (DEVICE_COLOR);
475 else if (S_ISBLK (fe->buf.st_mode))
476 return (DEVICE_COLOR);
477 else if (S_ISFIFO (fe->buf.st_mode))
478 return (SPECIAL_COLOR);
479 else if (is_exe (fe->buf.st_mode))
480 return (EXECUTABLE_COLOR);
481 else if (fe->fname && (!strcmp (fe->fname, "core") || !strcmp (extension(fe->fname), "core")))
482 return (CORE_COLOR);
483
484 return (NORMAL_COLOR); /* just for safeness */
485 }
486
487 /* Formats the file number file_index of panel in the buffer dest */
488 static void
489 format_file (char *dest, int limit, WPanel *panel, int file_index, int width, int attr, int isstatus)
490 {
491 int color, length, empty_line;
492 const char *txt;
493 char *old_pos;
494 char *cdest = dest;
495 format_e *format, *home;
496 file_entry *fe;
497
498 length = 0;
499 empty_line = (file_index >= panel->count);
500 home = (isstatus) ? panel->status_format : panel->format;
501 fe = &panel->dir.list [file_index];
502
503 if (!empty_line)
504 color = file_compute_color (attr, fe);
505 else
506 color = NORMAL_COLOR;
507
508 for (format = home; format; format = format->next){
509
510 if (length == width)
511 break;
512
513 if (format->string_fn){
514 int len;
515
516 if (empty_line)
517 txt = " ";
518 else
519 txt = (*format->string_fn)(fe, format->field_len);
520
521 old_pos = cdest;
522
523 len = format->field_len;
524 if (len + length > width)
525 len = width - length;
526 if (len + (cdest - dest) > limit)
527 len = limit - (cdest - dest);
528 if (len <= 0)
529 break;
530 cdest = to_buffer (cdest, format->just_mode, len, txt);
531 length += len;
532
533 attrset (color);
534
535 if (permission_mode && !strcmp(format->id, "perm"))
536 add_permission_string (old_pos, format->field_len, fe, attr, color, 0);
537 else if (permission_mode && !strcmp(format->id, "mode"))
538 add_permission_string (old_pos, format->field_len, fe, attr, color, 1);
539 else
540 addstr (old_pos);
541
542 } else {
543 if (attr == SELECTED || attr == MARKED_SELECTED)
544 attrset (SELECTED_COLOR);
545 else
546 attrset (NORMAL_COLOR);
547 one_vline ();
548 length++;
549 }
550 }
551
552 if (length < width){
553 int still = width - length;
554 while (still--)
555 addch (' ');
556 }
557 }
558
559 static void
560 repaint_file (WPanel *panel, int file_index, int mv, int attr, int isstatus)
561 {
562 int second_column = 0;
563 int width, offset;
564 char buffer [BUF_MEDIUM];
565
566 offset = 0;
567 if (!isstatus && panel->split){
568
569 second_column = (file_index - panel->top_file) / llines (panel);
570 width = (panel->widget.cols - 2)/2 - 1;
571
572 if (second_column){
573 offset = 1 + width;
574 width = (panel->widget.cols-2) - (panel->widget.cols-2)/2 - 1;
575 }
576 } else
577 width = (panel->widget.cols - 2);
578
579 /* Nothing to paint */
580 if (width <= 0)
581 return;
582
583 if (mv){
584 if (!isstatus && panel->split){
585 widget_move (&panel->widget,
586 (file_index - panel->top_file) %
587 llines (panel) + 2,
588 (offset + 1));
589 } else
590 widget_move (&panel->widget, file_index - panel->top_file + 2, 1);
591 }
592
593 format_file (buffer, sizeof(buffer), panel, file_index, width, attr, isstatus);
594
595 if (!isstatus && panel->split){
596 if (second_column)
597 addch (' ');
598 else {
599 attrset (NORMAL_COLOR);
600 one_vline ();
601 }
602 }
603 }
604
605 void
606 display_mini_info (WPanel *panel)
607 {
608 if (!show_mini_info)
609 return;
610
611 widget_move (&panel->widget, llines (panel)+3, 1);
612
613 if (panel->searching){
614 attrset (INPUT_COLOR);
615 printw ("/%-*s", panel->widget.cols-3, panel->search_buffer);
616 attrset (NORMAL_COLOR);
617 return;
618 }
619
620 /* Status displays total marked size */
621 if (panel->marked){
622 char buffer [BUF_SMALL];
623 char *p = " %-*s";
624 int cols = panel->widget.cols-2;
625
626 attrset (MARKED_COLOR);
627 printw ("%*s", cols, " ");
628 widget_move (&panel->widget, llines (panel)+3, 1);
629 /* FIXME: use ngettext() here when gettext-0.10.35 becomes history */
630 g_snprintf (buffer, sizeof (buffer), (panel->marked == 1) ?
631 _("%s bytes in %d file") : _("%s bytes in %d files"),
632 size_trunc_sep (panel->total), panel->marked);
633 if (strlen (buffer) > cols-2){
634 buffer [cols] = 0;
635 p += 2;
636 } else
637 cols -= 2;
638 printw (p, cols, buffer);
639 return;
640 }
641
642 /* Status resolves links and show them */
643 set_colors (panel);
644 #ifndef OS2_NT
645 if (S_ISLNK (panel->dir.list [panel->selected].buf.st_mode)){
646 char *link, link_target [MC_MAXPATHLEN];
647 int len;
648
649 link = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
650 len = mc_readlink (link, link_target, MC_MAXPATHLEN);
651 g_free (link);
652 if (len > 0){
653 link_target[len] = 0;
654 printw ("-> %-*s", panel->widget.cols - 5,
655 name_trunc (link_target, panel->widget.cols - 5));
656 } else
657 addstr (_("<readlink failed>"));
658 return;
659 }
660 #endif
661 /* Default behaviour */
662 repaint_file (panel, panel->selected, 0, STATUS, 1);
663 return;
664 }
665
666 static void
667 paint_dir (WPanel *panel)
668 {
669 int i;
670 int color; /* Color value of the line */
671 int items; /* Number of items */
672
673 items = llines (panel) * (panel->split ? 2 : 1);
674
675 for (i = 0; i < items; i++){
676 if (i+panel->top_file >= panel->count)
677 color = 0;
678 else {
679 color = 2 * (panel->dir.list [i+panel->top_file].f.marked);
680 color += (panel->selected==i+panel->top_file && panel->active);
681 }
682 repaint_file (panel, i+panel->top_file, 1, color, 0);
683 }
684 standend ();
685 panel->dirty = 0;
686 }
687
688 static void
689 mini_info_separator (WPanel *panel)
690 {
691 if (!show_mini_info)
692 return;
693
694 standend ();
695 widget_move (&panel->widget, llines (panel)+2, 1);
696 #ifdef HAVE_SLANG
697 attrset (NORMAL_COLOR);
698 hline (ACS_HLINE, panel->widget.cols-2);
699 #else
700 hline ((slow_terminal ? '-' : ACS_HLINE) | NORMAL_COLOR,
701 panel->widget.cols-2);
702 #endif /* !HAVE_SLANG */
703 }
704
705 static void
706 show_dir (WPanel *panel)
707 {
708 char tmp [200];
709
710 set_colors (panel);
711 draw_double_box (panel->widget.parent,
712 panel->widget.y, panel->widget.x,
713 panel->widget.lines, panel->widget.cols);
714
715 #ifdef HAVE_SLANG
716 if (show_mini_info) {
717 #ifdef linux_unicode
718 if (SLtt_Unicode) {
719 SLsmg_draw_unicode (panel->widget.y + llines (panel) + 2,
720 panel->widget.x, SLUNI_DSLTEE_CHAR);
721 SLsmg_draw_unicode (panel->widget.y + llines (panel) + 2,
722 panel->widget.x + panel->widget.cols - 1, SLUNI_DSRTEE_CHAR);
723 } else
724 #endif /* linux_unicode */
725 {
726 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
727 panel->widget.x, SLSMG_LTEE_CHAR);
728 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
729 panel->widget.x + panel->widget.cols - 1, SLSMG_RTEE_CHAR);
730 }
731 }
732 #endif /* HAVE_SLANG */
733
734 if (panel->active)
735 attrset (REVERSE_COLOR);
736
737 widget_move (&panel->widget, 0, 3);
738
739 trim (strip_home_and_password (panel->cwd), tmp, panel->widget.cols-7);
740 addstr (tmp);
741 widget_move (&panel->widget, 0, 1);
742 addstr ("<");
743 widget_move (&panel->widget, 0, panel->widget.cols-2);
744 addstr (">");
745 widget_move (&panel->widget, 0, panel->widget.cols-3);
746 addstr ("v");
747
748 if (panel->active)
749 standend ();
750 }
751
752 /* To be used only by long_frame and full_frame to adjust top_file */
753 static void
754 adjust_top_file (WPanel *panel)
755 {
756 int old_top = panel->top_file;
757
758 if (panel->selected - old_top > llines (panel))
759 panel->top_file = panel->selected;
760 if (old_top - panel->count > llines (panel))
761 panel->top_file = panel->count - llines (panel);
762 }
763
764 /* Repaints the information that changes after a command */
765 void
766 panel_update_contents (WPanel *panel)
767 {
768 show_dir (panel);
769 paint_dir (panel);
770 display_mini_info (panel);
771 }
772
773 void
774 paint_panel (WPanel *panel)
775 {
776 paint_frame (panel);
777 panel_update_contents (panel);
778 mini_info_separator (panel);
779 }
780
781 static void
782 do_select (WPanel *panel, int i)
783 {
784 if (i != panel->selected){
785 panel->selected = i;
786 panel->top_file = panel->selected - (panel->widget.lines-2)/2;
787 if (panel->top_file < 0)
788 panel->top_file = 0;
789 }
790 }
791
792 void
793 Xtry_to_select (WPanel *panel, char *name)
794 {
795 int i;
796 char *subdir;
797
798 if (!name) {
799 do_select(panel, 0);
800 return;
801 }
802
803 /* We only want the last component of the directory */
804 subdir = x_basename (name);
805
806 subdir = vfs_strip_suffix_from_filename (subdir);
807
808 /* Search that subdirectory, if found select it */
809 for (i = 0; i < panel->count; i++){
810 if (strcmp (subdir, panel->dir.list [i].fname) == 0) {
811 do_select (panel, i);
812 g_free (subdir);
813 return;
814 }
815 }
816
817 /* Try to select a file near the file that is missing */
818 if (panel->selected >= panel->count)
819 do_select (panel, panel->count-1);
820 g_free (subdir);
821 }
822
823 void
824 try_to_select (WPanel *panel, char *name)
825 {
826 Xtry_to_select (panel, name);
827 select_item (panel);
828 display_mini_info (panel);
829 }
830
831 void
832 panel_update_cols (Widget *widget, int frame_size)
833 {
834 int cols, origin;
835
836 if (horizontal_split){
837 widget->cols = COLS;
838 return;
839 }
840
841 if (frame_size == frame_full){
842 cols = COLS;
843 origin = 0;
844 } else {
845 if (widget == get_panel_widget (0)){
846 cols = first_panel_size;
847 origin = 0;
848 } else {
849 cols = COLS-first_panel_size;
850 origin = first_panel_size;
851 }
852 }
853
854 widget->cols = cols;
855 widget->x = origin;
856 }
857
858 static char *
859 panel_save_name (WPanel *panel)
860 {
861 extern int saving_setup;
862
863 /* If the program is shuting down */
864 if ((midnight_shutdown && auto_save_setup) || saving_setup)
865 return g_strdup (panel->panel_name);
866 else
867 return g_strconcat ("Temporal:", panel->panel_name, NULL);
868 }
869
870 static void
871 panel_destroy (WPanel *p)
872 {
873 int i;
874
875 char *name = panel_save_name (p);
876
877 panel_save_setup (p, name);
878 panel_clean_dir (p);
879
880 /* save and clean history */
881 if (p->dir_history){
882 Hist *current, *old;
883 history_put (p->hist_name, p->dir_history);
884 current = p->dir_history;
885 while (current->next)
886 current = current->next;
887 while (current){
888 old = current;
889 current = current->prev;
890 g_free (old->text);
891 g_free (old);
892 }
893 }
894 g_free (p->hist_name);
895
896 delete_format (p->format);
897 delete_format (p->status_format);
898
899 g_free (p->user_format);
900 for (i = 0; i < LIST_TYPES; i++)
901 g_free (p->user_status_format [i]);
902 g_free (p->dir.list);
903 g_free (p->panel_name);
904 g_free (name);
905 }
906
907 static void
908 panel_format_modified (WPanel *panel)
909 {
910 panel->format_modified = 1;
911 }
912
913 /* Panel creation */
914 /* The parameter specifies the name of the panel for setup retieving */
915 WPanel *
916 panel_new (const char *panel_name)
917 {
918 WPanel *panel;
919 char *section;
920 int i, err;
921
922 panel = g_new0 (WPanel, 1);
923
924 /* No know sizes of the panel at startup */
925 init_widget (&panel->widget, 0, 0, 0, 0, (callback_fn)
926 panel_callback, (destroy_fn) panel_destroy,
927 (mouse_h) panel_event, NULL);
928
929 /* We do not want the cursor */
930 widget_want_cursor (panel->widget, 0);
931
932 mc_get_current_wd (panel->cwd, sizeof (panel->cwd)-2);
933 strcpy (panel->lwd, ".");
934
935 panel->hist_name = g_strconcat ("Dir Hist ", panel_name, NULL);
936 panel->dir_history = history_get (panel->hist_name);
937 directory_history_add (panel, panel->cwd);
938
939 panel->dir.list = g_new (file_entry, MIN_FILES);
940 panel->dir.size = MIN_FILES;
941 panel->active = 0;
942 panel->filter = 0;
943 panel->split = 0;
944 panel->top_file = 0;
945 panel->selected = 0;
946 panel->marked = 0;
947 panel->total = 0;
948 panel->reverse = 0;
949 panel->dirty = 1;
950 panel->searching = 0;
951 panel->dirs_marked = 0;
952 panel->is_panelized = 0;
953 panel->format = 0;
954 panel->status_format = 0;
955 panel->format_modified = 1;
956
957 panel->panel_name = g_strdup (panel_name);
958 panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
959
960 for(i = 0; i < LIST_TYPES; i++)
961 panel->user_status_format [i] = g_strdup (DEFAULT_USER_FORMAT);
962
963 panel->search_buffer [0] = 0;
964 panel->frame_size = frame_half;
965 section = g_strconcat ("Temporal:", panel->panel_name, NULL);
966 if (!profile_has_section (section, profile_name)){
967 g_free (section);
968 section = g_strdup (panel->panel_name);
969 }
970 panel_load_setup (panel, section);
971 g_free (section);
972
973 /* Load format strings */
974 err = set_panel_formats (panel);
975 if (err){
976 set_panel_formats (panel);
977 }
978
979 /* Load the default format */
980 panel->count = do_load_dir (&panel->dir, panel->sort_type,
981 panel->reverse, panel->case_sensitive, panel->filter);
982 return panel;
983 }
984
985 void
986 panel_reload (WPanel *panel)
987 {
988 struct stat current_stat;
989
990 if (fast_reload
991 && !stat (panel->cwd, &current_stat)
992 && current_stat.st_ctime == panel->dir_stat.st_ctime
993 && current_stat.st_mtime == panel->dir_stat.st_mtime)
994 return;
995
996 while (mc_chdir (panel->cwd) == -1){
997 char *last_slash;
998
999 if (panel->cwd [0] == PATH_SEP && panel->cwd [1] == 0){
1000 panel_clean_dir (panel);
1001 panel->count = set_zero_dir (&panel->dir);
1002 return;
1003 }
1004 last_slash = strrchr (panel->cwd, PATH_SEP);
1005 if (!last_slash || last_slash == panel->cwd)
1006 strcpy (panel->cwd, PATH_SEP_STR);
1007 else
1008 *last_slash = 0;
1009 memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
1010 show_dir (panel);
1011 }
1012
1013 panel->count = do_reload_dir (&panel->dir, panel->sort_type, panel->count,
1014 panel->reverse, panel->case_sensitive, panel->filter);
1015
1016 panel->dirty = 1;
1017 if (panel->selected >= panel->count)
1018 do_select (panel, panel->count-1);
1019
1020 recalculate_panel_summary (panel);
1021 }
1022
1023 static void
1024 paint_frame (WPanel *panel)
1025 {
1026 int header_len;
1027 int spaces, extra;
1028 int side, width;
1029
1030 char *txt, buffer[30]; /*Hope that this is enough ;-) */
1031 if (!panel->split)
1032 adjust_top_file (panel);
1033
1034 widget_erase (&panel->widget);
1035 show_dir (panel);
1036
1037 widget_move (&panel->widget, 1, 1);
1038
1039 for (side = 0; side <= panel->split; side++){
1040 format_e *format;
1041
1042 if (side){
1043 attrset (NORMAL_COLOR);
1044 one_vline ();
1045 width = panel->widget.cols - panel->widget.cols/2 - 1;
1046 } else if (panel->split)
1047 width = panel->widget.cols/2 - 3;
1048 else
1049 width = panel->widget.cols - 2;
1050
1051 for (format = panel->format; format; format = format->next){
1052 if (format->string_fn){
1053 txt = format->title;
1054
1055 header_len = strlen (txt);
1056 if (header_len > format->field_len){
1057 strcpy (buffer, txt);
1058 txt = buffer;
1059 txt [format->field_len] = 0;
1060 header_len = strlen (txt);
1061 }
1062
1063 attrset (MARKED_COLOR);
1064 spaces = (format->field_len - header_len) / 2;
1065 extra = (format->field_len - header_len) % 2;
1066 printw ("%*s%-s%*s", spaces, "",
1067 txt, spaces+extra, "");
1068 width -= 2 * spaces + extra + header_len;
1069 } else {
1070 attrset (NORMAL_COLOR);
1071 one_vline ();
1072 width --;
1073 continue;
1074 }
1075 }
1076
1077 if (width > 0)
1078 printw ("%*s", width, "");
1079 }
1080 }
1081
1082 static char *
1083 parse_panel_size (WPanel *panel, char *format, int isstatus)
1084 {
1085 int frame = frame_half;
1086 format = skip_separators (format);
1087
1088 if (!strncmp (format, "full", 4)){
1089 frame = frame_full;
1090 format += 4;
1091 } else if (!strncmp (format, "half", 4)){
1092 frame = frame_half;
1093 format += 4;
1094 }
1095
1096 if (!isstatus){
1097 panel->frame_size = frame;
1098 panel->split = 0;
1099 }
1100
1101 /* Now, the optional column specifier */
1102 format = skip_separators (format);
1103
1104 if (*format == '1' || *format == '2'){
1105 if (!isstatus)
1106 panel->split = *format == '2';
1107 format++;
1108 }
1109
1110 if (!isstatus)
1111 panel_update_cols (&(panel->widget), panel->frame_size);
1112
1113 return skip_separators (format);
1114 }
1115
1116 /* Format is:
1117
1118 all := panel_format? format
1119 panel_format := [full|half] [1|2]
1120 format := one_format_e
1121 | format , one_format_e
1122
1123 one_format_e := just format.id [opt_size]
1124 just := [<=>]
1125 opt_size := : size [opt_expand]
1126 size := [0-9]+
1127 opt_expand := +
1128
1129 */
1130
1131 static format_e *
1132 parse_display_format (WPanel *panel, char *format, char **error, int isstatus, int *res_total_cols)
1133 {
1134 format_e *darr, *old = 0, *home = 0; /* The formats we return */
1135 int total_cols = 0; /* Used columns by the format */
1136 int set_justify; /* flag: set justification mode? */
1137 int justify = 0; /* Which mode. */
1138 int items = 0; /* Number of items in the format */
1139 int i;
1140
1141 static size_t i18n_timelength = 0; /* flag: check ?Time length at startup */
1142
1143 *error = 0;
1144
1145 if (i18n_timelength == 0) {
1146 i18n_timelength = i18n_checktimelength (); /* Musn't be 0 */
1147
1148 for (i = 0; i < ELEMENTS(formats); i++)
1149 if (strcmp ("time", formats [i].id+1) == 0)
1150 formats [i].min_size = i18n_timelength;
1151 }
1152
1153 /*
1154 * This makes sure that the panel and mini status full/half mode
1155 * setting is equal
1156 */
1157 format = parse_panel_size (panel, format, isstatus);
1158
1159 while (*format){ /* format can be an empty string */
1160 int found = 0;
1161
1162 darr = g_new (format_e, 1);
1163
1164 /* I'm so ugly, don't look at me :-) */
1165 if (!home)
1166 home = old = darr;
1167
1168 old->next = darr;
1169 darr->next = 0;
1170 old = darr;
1171
1172 format = skip_separators (format);
1173
1174 if (strchr ("<=>", *format)){
1175 set_justify = 1;
1176 switch (*format)
1177 {
1178 case '<':
1179 justify = J_LEFT;
1180 break;
1181 case '=':
1182 justify = J_CENTER;
1183 break;
1184 case '>':
1185 default:
1186 justify = J_RIGHT;
1187 break;
1188 }
1189 format = skip_separators (format+1);
1190 } else
1191 set_justify = 0;
1192
1193 for (i = 0; i < ELEMENTS(formats); i++){
1194 int klen = strlen (formats [i].id);
1195
1196 if (strncmp (format, formats [i].id, klen) != 0)
1197 continue;
1198
1199 format += klen;
1200
1201 if (formats [i].use_in_gui)
1202 items++;
1203
1204 darr->use_in_gui = formats [i].use_in_gui;
1205 darr->requested_field_len = formats [i].min_size;
1206 darr->string_fn = formats [i].string_fn;
1207 if (formats [i].title [0])
1208 darr->title = _(formats [i].title);
1209 else
1210 darr->title = "";
1211 darr->id = formats [i].id;
1212 darr->expand = formats [i].expands;
1213 darr->just_mode = formats [i].default_just;
1214
1215 if (set_justify) {
1216 if (IS_FIT(darr->just_mode))
1217 darr->just_mode = MAKE_FIT(justify);
1218 else
1219 darr->just_mode = justify;
1220 }
1221 found = 1;
1222
1223 format = skip_separators (format);
1224
1225 /* If we have a size specifier */
1226 if (*format == ':'){
1227 int req_length;
1228
1229 /* If the size was specified, we don't want
1230 * auto-expansion by default
1231 */
1232 darr->expand = 0;
1233 format++;
1234 req_length = atoi (format);
1235 darr->requested_field_len = req_length;
1236
1237 format = skip_numbers (format);
1238
1239 /* Now, if they insist on expansion */
1240 if (*format == '+'){
1241 darr->expand = 1;
1242 format++;
1243 }
1244
1245 }
1246
1247 break;
1248 }
1249 if (!found){
1250 char old_char;
1251
1252 int pos = min (8, strlen (format));
1253 delete_format (home);
1254 old_char = format [pos];
1255 format [pos] = 0;
1256 *error = g_strconcat (_("Unknown tag on display format: "), format, NULL);
1257 format [pos] = old_char;
1258 return 0;
1259 }
1260 total_cols += darr->requested_field_len;
1261 }
1262
1263 *res_total_cols = total_cols;
1264 if (home)
1265 home->items = items;
1266 return home;
1267 }
1268
1269 static format_e *
1270 use_display_format (WPanel *panel, char *format, char **error, int isstatus)
1271 {
1272 #define MAX_EXPAND 4
1273 int expand_top = 0; /* Max used element in expand */
1274 int usable_columns; /* Usable columns in the panel */
1275 int total_cols;
1276 char *expand_list [MAX_EXPAND]; /* Expand at most 4 fields. */
1277 int i;
1278 format_e *darr, *home;
1279
1280 if (!format)
1281 format = DEFAULT_USER_FORMAT;
1282
1283 home = parse_display_format (panel, format, error, isstatus, &total_cols);
1284
1285 if (*error)
1286 return 0;
1287
1288 /* Status needn't to be split */
1289 usable_columns = ((panel->widget.cols-2)/((isstatus)
1290 ? 1
1291 : (panel->split+1))) - (!isstatus && panel->split);
1292
1293 /* Clean expand list */
1294 for (i = 0; i < MAX_EXPAND; i++)
1295 expand_list [i] = '\0';
1296
1297
1298 /* Look for the expandable fields and set field_len based on the requested field len */
1299 for (darr = home; darr && expand_top < MAX_EXPAND; darr = darr->next){
1300 darr->field_len = darr->requested_field_len;
1301 if (darr->expand)
1302 expand_list [expand_top++] = darr->id;
1303 }
1304
1305 /* If we used more columns than the available columns, adjust that */
1306 if (total_cols > usable_columns){
1307 int pdif, dif = total_cols - usable_columns;
1308
1309 while (dif){
1310 pdif = dif;
1311 for (darr = home; darr; darr = darr->next){
1312 if (dif && darr->field_len - 1){
1313 darr->field_len--;
1314 dif--;
1315 }
1316 }
1317
1318 /* avoid endless loop if num fields > 40 */
1319 if (pdif == dif)
1320 break;
1321 }
1322 total_cols = usable_columns; /* give up, the rest should be truncated */
1323 }
1324
1325 /* Expand the available space */
1326 if ((usable_columns > total_cols) && expand_top){
1327 int spaces = (usable_columns - total_cols) / expand_top;
1328 int extra = (usable_columns - total_cols) % expand_top;
1329
1330 for (i = 0, darr = home; darr && (i < expand_top); darr = darr->next)
1331 if (darr->expand){
1332 darr->field_len += (spaces + ((i == 0) ? extra : 0));
1333 i++;
1334 }
1335 }
1336 return home;
1337 }
1338
1339 /* Switches the panel to the mode specified in the format */
1340 /* Seting up both format and status string. Return: 0 - on success; */
1341 /* 1 - format error; 2 - status error; 3 - errors in both formats. */
1342 int
1343 set_panel_formats (WPanel *p)
1344 {
1345 format_e *form;
1346 char *err;
1347 int retcode = 0;
1348
1349 form = use_display_format (p, panel_format (p), &err, 0);
1350
1351 if (err){
1352 g_free (err);
1353 retcode = 1;
1354 }
1355 else {
1356 if (p->format)
1357 delete_format (p->format);
1358
1359 p->format = form;
1360 }
1361
1362 if (show_mini_info){
1363
1364 form = use_display_format (p, mini_status_format (p), &err, 1);
1365
1366 if (err){
1367 g_free (err);
1368 retcode += 2;
1369 }
1370 else {
1371 if (p->status_format)
1372 delete_format (p->status_format);
1373
1374 p->status_format = form;
1375 }
1376 }
1377
1378 panel_format_modified (p);
1379 panel_update_cols (&(p->widget), p->frame_size);
1380
1381 if (retcode)
1382 message( 1, _(" Warning " ), _( "User suplied format looks invalid, reverting to default." ) );
1383 if (retcode & 0x01){
1384 g_free (p->user_format);
1385 p->user_format = g_strdup (DEFAULT_USER_FORMAT);
1386 }
1387 if (retcode & 0x02){
1388 g_free (p->user_status_format [p->list_type]);
1389 p->user_status_format [p->list_type] = g_strdup (DEFAULT_USER_FORMAT);
1390 }
1391
1392 return retcode;
1393 }
1394
1395 /* Given the panel->view_type returns the format string to be parsed */
1396 static char *
1397 panel_format (WPanel *panel)
1398 {
1399 switch (panel->list_type){
1400
1401 case list_long:
1402 return "full perm,space,nlink,space,owner,space,group,space,size,space,mtime,space,name";
1403
1404 case list_brief:
1405 return "half 2,type,name";
1406
1407 case list_user:
1408 return panel->user_format;
1409
1410 default:
1411 case list_full:
1412 return "half type,name,|,size,|,mtime";
1413 }
1414 }
1415
1416 static char *
1417 mini_status_format (WPanel *panel)
1418 {
1419 if (panel->user_mini_status)
1420 return panel->user_status_format [panel->list_type];
1421
1422 switch (panel->list_type){
1423
1424 case list_long:
1425 return "full perm,space,nlink,space,owner,space,group,space,size,space,mtime,space,name";
1426
1427 case list_brief:
1428 return "half type,name,space,bsize,space,perm,space";
1429
1430 case list_full:
1431 return "half type,name";
1432
1433 default:
1434 case list_user:
1435 return panel->user_format;
1436 }
1437 }
1438
1439 /* */
1440 /* Panel operation commands */
1441 /* */
1442
1443 /* Returns the number of items in the given panel */
1444 static int
1445 ITEMS (WPanel *p)
1446 {
1447 if (p->split)
1448 return llines (p) * 2;
1449 else
1450 return llines (p);
1451 }
1452
1453 /* This function sets redisplays the selection */
1454 void
1455 select_item (WPanel *panel)
1456 {
1457 int repaint = 0;
1458 int items = ITEMS (panel);
1459
1460 /* Although currently all over the code we set the selection and
1461 top file to decent values before calling select_item, I could
1462 forget it someday, so it's better to do the actual fitting here */
1463
1464 if (panel->top_file < 0){
1465 repaint = 1;
1466 panel->top_file = 0;
1467 }
1468
1469 if (panel->selected < 0)
1470 panel->selected = 0;
1471
1472 if (panel->selected > panel->count-1)
1473 panel->selected = panel->count - 1;
1474
1475 if (panel->top_file > panel->count-1){
1476 repaint = 1;
1477 panel->top_file = panel->count-1;
1478 }
1479
1480 if ((panel->count - panel->top_file) < items){
1481 repaint = 1;
1482 panel->top_file = panel->count - items;
1483 if (panel->top_file < 0)
1484 panel->top_file = 0;
1485 }
1486
1487 if (panel->selected < panel->top_file){
1488 repaint = 1;
1489 panel->top_file = panel->selected;
1490 }
1491
1492 if ((panel->selected - panel->top_file) >= items){
1493 repaint = 1;
1494 panel->top_file = panel->selected - items + 1;
1495 }
1496
1497 if (repaint)
1498 paint_panel (panel);
1499 else
1500 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked+1, 0);
1501
1502 display_mini_info (panel);
1503
1504 execute_hooks (select_file_hook);
1505 }
1506
1507 /* Clears all files in the panel, used only when one file was marked */
1508 void
1509 unmark_files (WPanel *panel)
1510 {
1511 int i;
1512
1513 if (!panel->marked)
1514 return;
1515 for (i = 0; i < panel->count; i++)
1516 file_mark (panel, i, 0);
1517
1518 panel->dirs_marked = 0;
1519 panel->marked = 0;
1520 panel->total = 0;
1521 }
1522
1523 static void
1524 unselect_item (WPanel *panel)
1525 {
1526 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked, 0);
1527 }
1528
1529 static void
1530 do_move_down (WPanel *panel)
1531 {
1532 if (panel->selected+1 == panel->count)
1533 return;
1534
1535 unselect_item (panel);
1536 panel->selected++;
1537
1538 if (panel->selected - panel->top_file == ITEMS (panel) &&
1539 panel_scroll_pages){
1540 /* Scroll window half screen */
1541 panel->top_file += ITEMS (panel)/2;
1542 if (panel->top_file > panel->count - ITEMS (panel))
1543 panel->top_file = panel->count - ITEMS (panel);
1544 paint_dir (panel);
1545 select_item (panel);
1546 }
1547 select_item (panel);
1548 }
1549
1550 static void
1551 do_move_up (WPanel *panel)
1552 {
1553 if (panel->selected == 0)
1554 return;
1555
1556 unselect_item (panel);
1557 panel->selected--;
1558 if (panel->selected < panel->top_file && panel_scroll_pages){
1559 /* Scroll window half screen */
1560 panel->top_file -= ITEMS (panel)/2;
1561 if (panel->top_file < 0) panel->top_file = 0;
1562 paint_dir (panel);
1563 }
1564 select_item (panel);
1565 }
1566
1567 static void
1568 move_rel (WPanel *panel, int rel)
1569 {
1570 unselect_item (panel);
1571
1572 if (rel < 0){
1573 if (panel->selected + rel < 0)
1574 panel->selected = 0;
1575 else
1576 panel->selected = panel->selected + rel;
1577 } else {
1578 if (panel->selected + rel >= panel->count)
1579 panel->selected = panel->count - 1;
1580 else
1581 panel->selected = panel->selected + rel;
1582 }
1583 select_item (panel);
1584 }
1585
1586 /* */
1587 /* Panel key binded commands */
1588 /* */
1589 static void
1590 move_up (WPanel *panel)
1591 {
1592 if (panel->list_type == list_icons){
1593 move_rel (panel, -ICONS_PER_ROW (panel));
1594 } else
1595 do_move_up (panel);
1596 }
1597
1598 static void
1599 move_down (WPanel *panel)
1600 {
1601 if (panel->list_type == list_icons){
1602 move_rel (panel, ICONS_PER_ROW (panel));
1603 } else
1604 do_move_down (panel);
1605 }
1606
1607 /* Changes the selection by lines (may be negative) */
1608 static void
1609 move_selection (WPanel *panel, int lines)
1610 {
1611 int new_pos;
1612 int adjust = 0;
1613
1614 new_pos = panel->selected + lines;
1615 if (new_pos >= panel->count)
1616 new_pos = panel->count-1;
1617
1618 if (new_pos < 0)
1619 new_pos = 0;
1620
1621 unselect_item (panel);
1622 panel->selected = new_pos;
1623
1624 if (panel->selected - panel->top_file >= ITEMS (panel)){
1625 panel->top_file += lines;
1626 adjust = 1;
1627 }
1628
1629 if (panel->selected - panel->top_file < 0){
1630 panel->top_file += lines;
1631 adjust = 1;
1632 }
1633
1634 if (adjust){
1635 if (panel->top_file > panel->selected)
1636 panel->top_file = panel->selected;
1637 if (panel->top_file < 0)
1638 panel->top_file = 0;
1639 paint_dir (panel);
1640 }
1641 select_item (panel);
1642 }
1643
1644 static int
1645 move_left (WPanel *panel, int c_code)
1646 {
1647 if (panel->list_type == list_icons){
1648 do_move_up (panel);
1649 return 1;
1650 } else {
1651 if (panel->split){
1652 move_selection (panel, -llines (panel));
1653 return 1;
1654 } else
1655 return maybe_cd (c_code, 0);
1656 }
1657 }
1658
1659 static int
1660 move_right (WPanel *panel, int c_code)
1661 {
1662 if (panel->list_type == list_icons){
1663 do_move_down (panel);
1664 return 1;
1665 } else {
1666 if (panel->split){
1667 move_selection (panel, llines (panel));
1668 return 1;
1669 } else
1670 return maybe_cd (c_code, 1);
1671 }
1672 }
1673
1674 static void
1675 prev_page (WPanel *panel)
1676 {
1677 int items;
1678
1679 if (!panel->selected && !panel->top_file)
1680 return;
1681 unselect_item (panel);
1682 items = ITEMS (panel);
1683 if (panel->top_file < items)
1684 items = panel->top_file;
1685 if (!items)
1686 panel->selected = 0;
1687 else
1688 panel->selected -= items;
1689 panel->top_file -= items;
1690
1691 /* This keeps the selection in a reasonable place */
1692 if (panel->selected < 0)
1693 panel->selected = 0;
1694 if (panel->top_file < 0)
1695 panel->top_file = 0;
1696 select_item (panel);
1697 paint_dir (panel);
1698 }
1699
1700 static void
1701 prev_page_key (WPanel *panel)
1702 {
1703 if (ctrl_pressed ()){
1704 do_cd ("..", cd_exact);
1705 } else {
1706 prev_page (panel);
1707 }
1708 }
1709
1710 static void
1711 next_page (WPanel *panel)
1712 {
1713 int items;
1714
1715 if (panel->selected == panel->count - 1)
1716 return;
1717 unselect_item (panel);
1718 items = ITEMS (panel);
1719 if (panel->top_file > panel->count - 2 * items)
1720 items = panel->count - items - panel->top_file;
1721 if (panel->top_file + items < 0)
1722 items = - panel->top_file;
1723 if (!items)
1724 panel->selected = panel->count - 1;
1725 else
1726 panel->selected += items;
1727 panel->top_file += items;
1728
1729 /* This keeps the selection in it's relative position */
1730 if (panel->selected >= panel->count)
1731 panel->selected = panel->count - 1;
1732 if (panel->top_file >= panel->count)
1733 panel->top_file = panel->count - 1;
1734 select_item (panel);
1735 paint_dir (panel);
1736 }
1737
1738 static void next_page_key (WPanel *panel)
1739 {
1740 if (ctrl_pressed() &&
1741 (S_ISDIR(selection (panel)->buf.st_mode) ||
1742 link_isdir (selection (panel)))) {
1743 do_cd (selection (panel)->fname, cd_exact);
1744 } else {
1745 next_page (panel);
1746 }
1747 }
1748
1749 static void
1750 goto_top_file (WPanel *panel)
1751 {
1752 unselect_item (panel);
1753 panel->selected = panel->top_file;
1754 select_item (panel);
1755 }
1756
1757 static void
1758 goto_middle_file (WPanel *panel)
1759 {
1760 unselect_item (panel);
1761 panel->selected = panel->top_file + (ITEMS (panel)/2);
1762 if (panel->selected >= panel->count)
1763 panel->selected = panel->count - 1;
1764 select_item (panel);
1765 }
1766
1767 static void
1768 goto_bottom_file (WPanel *panel)
1769 {
1770 unselect_item (panel);
1771 panel->selected = panel->top_file + ITEMS (panel)-1;
1772 if (panel->selected >= panel->count)
1773 panel->selected = panel->count - 1;
1774 select_item (panel);
1775 }
1776
1777 static void
1778 move_home (WPanel *panel)
1779 {
1780 if (panel->selected == 0)
1781 return;
1782 unselect_item (panel);
1783
1784 if (torben_fj_mode){
1785 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1786
1787 if (panel->selected > middle_pos){
1788 goto_middle_file (panel);
1789 return;
1790 }
1791 if (panel->selected != panel->top_file){
1792 goto_top_file (panel);
1793 return;
1794 }
1795 }
1796
1797 panel->top_file = 0;
1798 panel->selected = 0;
1799
1800 paint_dir (panel);
1801 select_item (panel);
1802 }
1803
1804 static void
1805 move_end (WPanel *panel)
1806 {
1807 if (panel->selected == panel->count-1)
1808 return;
1809 unselect_item (panel);
1810 if (torben_fj_mode){
1811 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1812
1813 if (panel->selected < middle_pos){
1814 goto_middle_file (panel);
1815 return;
1816 }
1817 if (panel->selected != (panel->top_file + ITEMS(panel)-1)){
1818 goto_bottom_file (panel);
1819 return;
1820 }
1821 }
1822
1823 panel->selected = panel->count-1;
1824 paint_dir (panel);
1825 select_item (panel);
1826 }
1827
1828 /* Recalculate the panels summary information, used e.g. when marked
1829 files might have been removed by an external command */
1830 void
1831 recalculate_panel_summary (WPanel *panel)
1832 {
1833 int i;
1834
1835 panel->marked = 0;
1836 panel->dirs_marked = 0;
1837 panel->total = 0;
1838
1839 for (i = 0; i < panel->count; i++)
1840 if (panel->dir.list [i].f.marked){
1841 /* do_file_mark will return immediately if newmark == oldmark.
1842 So we have to first unmark it to get panel's summary information
1843 updated. (Norbert) */
1844 panel->dir.list [i].f.marked = 0;
1845 do_file_mark (panel, i, 1);
1846 }
1847 }
1848
1849 /* This routine marks a file or a directory */
1850 void
1851 do_file_mark (WPanel *panel, int idx, int mark)
1852 {
1853 if (panel->dir.list [idx].f.marked == mark)
1854 return;
1855 /*
1856 * Only '..' can't be marked, '.' isn't visible.
1857 */
1858 if (strcmp (panel->dir.list [idx].fname, "..")){
1859 file_mark (panel, idx, mark);
1860 if (panel->dir.list [idx].f.marked){
1861 panel->marked++;
1862 if (S_ISDIR (panel->dir.list [idx].buf.st_mode)) {
1863 if (panel->dir.list [idx].f.dir_size_computed)
1864 panel->total += panel->dir.list [idx].buf.st_size;
1865 panel->dirs_marked++;
1866 } else
1867 panel->total += panel->dir.list [idx].buf.st_size;
1868 set_colors (panel);
1869 } else {
1870 if (S_ISDIR(panel->dir.list [idx].buf.st_mode)) {
1871 if (panel->dir.list [idx].f.dir_size_computed)
1872 panel->total -= panel->dir.list [idx].buf.st_size;
1873 panel->dirs_marked--;
1874 } else
1875 panel->total -= panel->dir.list [idx].buf.st_size;
1876 panel->marked--;
1877 }
1878 }
1879 }
1880
1881 static void
1882 do_mark_file (WPanel *panel, int do_move)
1883 {
1884 int idx = panel->selected;
1885
1886 do_file_mark (panel, idx, selection (panel)->f.marked ? 0 : 1);
1887 repaint_file (panel, idx, 1, 2*panel->dir.list [idx].f.marked+1, 0);
1888
1889 if (mark_moves_down && do_move)
1890 move_down (panel);
1891 display_mini_info (panel);
1892 }
1893
1894 static void
1895 mark_file (WPanel *panel)
1896 {
1897 do_mark_file (panel, 1);
1898 }
1899
1900 /* Incremental search of a file name in the panel */
1901 static void
1902 do_search (WPanel *panel, int c_code)
1903 {
1904 int l, i;
1905 int wrapped = 0;
1906 int found;
1907
1908 l = strlen (panel->search_buffer);
1909 if (l && (c_code == 8 || c_code == 0177 || c_code == KEY_BACKSPACE))
1910 panel->search_buffer [--l] = 0;
1911 else {
1912 if (c_code && l < sizeof (panel->search_buffer)){
1913 panel->search_buffer [l] = c_code;
1914 panel->search_buffer [l+1] = 0;
1915 l++;
1916 }
1917 }
1918
1919 found = 0;
1920 for (i = panel->selected; !wrapped || i != panel->selected; i++){
1921 if (i >= panel->count){
1922 i = 0;
1923 if (wrapped)
1924 break;
1925 wrapped = 1;
1926 }
1927 if (STRNCOMP (panel->dir.list [i].fname, panel->search_buffer, l) == 0){
1928 unselect_item (panel);
1929 panel->selected = i;
1930 select_item (panel);
1931 found = 1;
1932 break;
1933 }
1934 }
1935 if (!found)
1936 panel->search_buffer [--l] = 0;
1937
1938 paint_panel (panel);
1939 }
1940
1941 static void
1942 start_search (WPanel *panel)
1943 {
1944 if (panel->searching){
1945 if (panel->selected+1 == panel->count)
1946 panel->selected = 0;
1947 else
1948 do_move_down (panel);
1949 do_search (panel, 0);
1950 } else {
1951 panel->searching = 1;
1952 panel->search_buffer [0] = 0;
1953 display_mini_info (panel);
1954 mc_refresh ();
1955 }
1956 }
1957
1958 /* Return 1 if the Enter key has been processed, 0 otherwise */
1959 static int
1960 do_enter_on_file_entry (file_entry *fe)
1961 {
1962 char *full_name;
1963
1964 /* Directory or link to directory - change directory */
1965 if (S_ISDIR (fe->buf.st_mode) || link_isdir (fe)) {
1966 do_cd (fe->fname, cd_exact);
1967 return 1;
1968 }
1969
1970 /* Try associated command */
1971 if (regex_command (fe->fname, "Open", 0))
1972 return 1;
1973
1974 /* Check if the file is executable */
1975 full_name = concat_dir_and_file (cpanel->cwd, fe->fname);
1976 if (!is_exe (fe->buf.st_mode) || !if_link_is_exe (full_name, fe)) {
1977 g_free (full_name);
1978 return 0;
1979 }
1980 g_free (full_name);
1981
1982 #ifdef USE_VFS
1983 if (vfs_current_is_local ())
1984 #endif
1985 {
1986 char *tmp = name_quote (fe->fname, 0);
1987 char *cmd = g_strconcat (".", PATH_SEP_STR, tmp, NULL);
1988 g_free (tmp);
1989 if (!confirm_execute || (query_dialog (_(" The Midnight Commander "),
1990 _(" Do you really want to execute? "),
1991 0, 2, _("&Yes"), _("&No")) == 0))
1992 execute (cmd);
1993 g_free (cmd);
1994 }
1995 #ifdef USE_VFS
1996 else {
1997 char *tmp;
1998
1999 tmp = concat_dir_and_file (vfs_get_current_dir(), fe->fname);
2000 if (!mc_setctl (tmp, MCCTL_EXTFS_RUN, NULL))
2001 /* Execution on this filesysten is not implemented */
2002 message (1, _(" Warning "), _(" No action taken "));
2003 g_free (tmp);
2004 }
2005 #endif /* USE_VFS */
2006
2007 return 1;
2008 }
2009
2010 static int
2011 do_enter (WPanel *panel)
2012 {
2013 return do_enter_on_file_entry (selection (panel));
2014 }
2015
2016 static void
2017 chdir_other_panel (WPanel *panel)
2018 {
2019 char *new_dir;
2020
2021 if (get_other_type () != view_listing)
2022 return;
2023
2024 if (!S_ISDIR (panel->dir.list [panel->selected].buf.st_mode))
2025 new_dir = concat_dir_and_file (panel->cwd, "..");
2026 else
2027 new_dir = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
2028
2029 change_panel ();
2030 do_cd (new_dir, cd_exact);
2031 change_panel ();
2032
2033 move_down (panel);
2034
2035 g_free (new_dir);
2036 }
2037
2038 static void
2039 chdir_to_readlink (WPanel *panel)
2040 {
2041 char *new_dir;
2042
2043 if (get_other_type () != view_listing)
2044 return;
2045
2046 if (S_ISLNK (panel->dir.list [panel->selected].buf.st_mode)) {
2047 char buffer [MC_MAXPATHLEN], *p;
2048 int i;
2049 struct stat mybuf;
2050
2051 i = readlink (selection (panel)->fname, buffer, MC_MAXPATHLEN);
2052 if (i < 0)
2053 return;
2054 if (mc_stat (selection (panel)->fname, &mybuf) < 0)
2055 return;
2056 buffer [i] = 0;
2057 if (!S_ISDIR (mybuf.st_mode)) {
2058 p = strrchr (buffer, PATH_SEP);
2059 if (p && !p[1]) {
2060 *p = 0;
2061 p = strrchr (buffer, PATH_SEP);
2062 }
2063 if (!p)
2064 return;
2065 p[1] = 0;
2066 }
2067 if (*buffer == PATH_SEP)
2068 new_dir = g_strdup (buffer);
2069 else
2070 new_dir = concat_dir_and_file (panel->cwd, buffer);
2071
2072 change_panel ();
2073 do_cd (new_dir, cd_exact);
2074 change_panel ();
2075
2076 move_down (panel);
2077
2078 g_free (new_dir);
2079 }
2080 }
2081
2082 static const key_map panel_keymap [] = {
2083 { KEY_DOWN, move_down },
2084 { KEY_UP, move_up },
2085
2086 /* The action button :-) */
2087 { '\n', (key_callback) do_enter },
2088 { KEY_ENTER, (key_callback) do_enter },
2089
2090 { KEY_IC, mark_file },
2091 { KEY_HOME, move_home },
2092 { KEY_C1, move_end },
2093 { KEY_END, move_end },
2094 { KEY_A1, move_home },
2095 { KEY_NPAGE, next_page_key },
2096 { KEY_PPAGE, prev_page_key },
2097
2098 /* To quickly move in the panel */
2099 { ALT('g'), goto_top_file },
2100 { ALT('r'), goto_middle_file }, /* M-r like emacs */
2101 { ALT('j'), goto_bottom_file },
2102
2103 #ifdef OS2_NT
2104 { ALT(KEY_F(11)), drive_cmd_a },
2105 { ALT(KEY_F(12)), drive_cmd_b },
2106 { ALT('d'), drive_chg },
2107 #endif
2108
2109 /* Emacs-like bindings */
2110 { XCTRL('v'), next_page }, /* C-v like emacs */
2111 { ALT('v'), prev_page }, /* M-v like emacs */
2112 { XCTRL('p'), move_up }, /* C-p like emacs */
2113 { XCTRL('n'), move_down }, /* C-n like emacs */
2114 { XCTRL('s'), start_search }, /* C-s like emacs */
2115 { ALT('s'), start_search }, /* M-s not like emacs */
2116 { XCTRL('t'), mark_file },
2117 { ALT('o'), chdir_other_panel },
2118 { ALT('l'), chdir_to_readlink },
2119 { ALT('H'), directory_history_list },
2120 { KEY_F(13), view_simple_cmd },
2121 { KEY_F(14), edit_cmd_new },
2122 { KEY_F(15), copy_cmd_local },
2123 { KEY_F(16), ren_cmd_local },
2124 { ALT('y'), directory_history_prev },
2125 { ALT('u'), directory_history_next },
2126 { ALT('+'), select_cmd_panel },
2127 { KEY_KP_ADD, select_cmd_panel },
2128 { ALT('\\'), unselect_cmd_panel },
2129 { ALT('-'), unselect_cmd_panel },
2130 { KEY_KP_SUBTRACT, unselect_cmd_panel },
2131 { ALT('*'), reverse_selection_cmd_panel },
2132 { KEY_KP_MULTIPLY, reverse_selection_cmd_panel },
2133 { 0, 0 }
2134 };
2135
2136 static inline int
2137 panel_key (WPanel *panel, int key)
2138 {
2139 int i;
2140
2141 for (i = 0; panel_keymap [i].key_code; i++){
2142 if (key == panel_keymap [i].key_code){
2143 if (panel_keymap [i].fn != start_search)
2144 panel->searching = 0;
2145 (*panel_keymap [i].fn)(panel);
2146 return 1;
2147 }
2148 }
2149 if (torben_fj_mode && key == ALT('h')) {
2150 goto_middle_file (panel);
2151 return 1;
2152 }
2153
2154 /* We do not want to take a key press if nothing can be done with it */
2155 /* The command line widget may do something more usefull */
2156 if (key == KEY_LEFT)
2157 return move_left (panel, key);
2158
2159 if (key == KEY_RIGHT)
2160 return move_right (panel, key);
2161
2162 if (is_abort_char (key)) {
2163 panel->searching = 0;
2164 display_mini_info (panel);
2165 return 1;
2166 }
2167
2168 /* Do not eat characters not meant for the panel below ' ' (e.g. C-l). */
2169 if ((key >= ' '&& key <= 255) || key == 8 || key == KEY_BACKSPACE) {
2170 if (panel->searching){
2171 do_search (panel, key);
2172 return 1;
2173 }
2174
2175 if (!command_prompt)
2176 {
2177 start_search (panel);
2178 do_search (panel, key);
2179 return 1;
2180 }
2181 }
2182
2183 return 0;
2184 }
2185
2186 void user_file_menu_cmd (void) {
2187 user_menu_cmd (NULL);
2188 }
2189
2190 static int
2191 panel_callback (Dlg_head *h, WPanel *panel, int msg, int par)
2192 {
2193 switch (msg){
2194 case WIDGET_INIT:
2195 return 1;
2196
2197 case WIDGET_DRAW:
2198 paint_panel (panel);
2199 break;
2200
2201 case WIDGET_FOCUS:
2202 current_panel = panel;
2203 panel->active = 1;
2204 if (mc_chdir (panel->cwd) != 0) {
2205 message (1, MSG_ERROR, _(" Cannot chdir to \"%s\" \n %s "),
2206 panel->cwd, unix_error_string (errno));
2207 } else
2208 subshell_chdir (panel->cwd);
2209
2210 show_dir (panel);
2211 select_item (panel);
2212
2213 define_label (h, (Widget *)panel, 1, _("Help"), help_cmd);
2214 define_label (h, (Widget *)panel, 2, _("Menu"), user_file_menu_cmd);
2215 define_label (h, (Widget *)panel, 3, _("View"), view_panel_cmd);
2216 define_label (h, (Widget *)panel, 4, _("Edit"), edit_panel_cmd);
2217 define_label (h, (Widget *)panel, 5, _("Copy"), copy_cmd);
2218 define_label (h, (Widget *)panel, 6, _("RenMov"), ren_cmd);
2219 define_label (h, (Widget *)panel, 7, _("Mkdir"), mkdir_panel_cmd);
2220 define_label (h, (Widget *)panel, 8, _("Delete"), delete_cmd);
2221 redraw_labels (h, (Widget *)panel);
2222
2223 /* Chain behaviour */
2224 default_proc (h, WIDGET_FOCUS, par);
2225 return 1;
2226
2227 case WIDGET_UNFOCUS:
2228 /* Janne: look at this for the multiple panel options */
2229 if (panel->searching){
2230 panel->searching = 0;
2231 display_mini_info (panel);
2232 }
2233 panel->active = 0;
2234 show_dir (panel);
2235 unselect_item (panel);
2236 return 1;
2237
2238 case WIDGET_KEY:
2239 return panel_key (panel, par);
2240 break;
2241 }
2242 return default_proc (h, msg, par);
2243 }
2244
2245 void
2246 file_mark (WPanel *panel, int index, int val)
2247 {
2248 panel->dir.list [index].f.marked = val;
2249 }
2250
2251 /* */
2252 /* Panel mouse events support routines */
2253 /* */
2254 static int mouse_marking = 0;
2255
2256 static void
2257 mouse_toggle_mark (WPanel *panel)
2258 {
2259 do_mark_file (panel, 0);
2260 mouse_marking = selection (panel)->f.marked;
2261 }
2262
2263 static void
2264 mouse_set_mark (WPanel *panel)
2265 {
2266 if (mouse_marking && !(selection (panel)->f.marked))
2267 do_mark_file (panel, 0);
2268 else if (!mouse_marking && (selection (panel)->f.marked))
2269 do_mark_file (panel, 0);
2270 }
2271
2272 static inline int
2273 mark_if_marking (WPanel *panel, Gpm_Event *event)
2274 {
2275 if (event->buttons & GPM_B_RIGHT){
2276 if (event->type & GPM_DOWN)
2277 mouse_toggle_mark (panel);
2278 else
2279 mouse_set_mark (panel);
2280 return 1;
2281 }
2282 return 0;
2283 }
2284
2285 static int
2286 panel_event (Gpm_Event *event, WPanel *panel)
2287 {
2288 const int lines = llines (panel);
2289
2290 int my_index;
2291
2292 if (event->type & GPM_DOWN && event->x == 1 + 1 && event->y == 0 + 1) {
2293 directory_history_prev (panel);
2294 return MOU_NORMAL;
2295 }
2296
2297 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 2 + 1 && event->y == 0 + 1) {
2298 directory_history_next (panel);
2299 return MOU_NORMAL;
2300 }
2301
2302 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 3 + 1 && event->y == 0 + 1) {
2303 directory_history_list (panel);
2304 return MOU_NORMAL;
2305 }
2306
2307 event->y -= 2;
2308 if ((event->type & (GPM_DOWN|GPM_DRAG))){
2309
2310 if (panel != (WPanel *) current_dlg->current->widget)
2311 change_panel ();
2312
2313 if (event->y <= 0){
2314 mark_if_marking (panel, event);
2315 if (mouse_move_pages)
2316 prev_page (panel);
2317 else
2318 move_up (panel);
2319 return MOU_REPEAT;
2320 }
2321
2322 if (!((panel->top_file + event->y <= panel->count) &&
2323 event->y <= lines)){
2324 mark_if_marking (panel, event);
2325 if (mouse_move_pages)
2326 next_page (panel);
2327 else
2328 move_down (panel);
2329 return MOU_REPEAT;
2330 }
2331 my_index = panel->top_file + event->y - 1;
2332 if (panel->split){
2333 if (event->x > ((panel->widget.cols-2)/2))
2334 my_index += llines (panel);
2335 }
2336
2337 if (my_index >= panel->count)
2338 my_index = panel->count - 1;
2339
2340 if (my_index != panel->selected){
2341 unselect_item (panel);
2342 panel->selected = my_index;
2343 select_item (panel);
2344 }
2345
2346 /* This one is new */
2347 mark_if_marking (panel, event);
2348
2349 } else if ((event->type & (GPM_UP|GPM_DOUBLE)) == (GPM_UP|GPM_DOUBLE)){
2350 if (event->y > 0 && event->y <= lines)
2351 do_enter (panel);
2352 }
2353 return MOU_NORMAL;
2354 }
2355
2356 void
2357 panel_re_sort (WPanel *panel)
2358 {
2359 char *filename;
2360 int i;
2361
2362 if (panel == NULL)
2363 return;
2364
2365 filename = g_strdup (selection (panel)->fname);
2366 unselect_item (panel);
2367 do_sort (&panel->dir, panel->sort_type, panel->count-1, panel->reverse, panel->case_sensitive);
2368 panel->selected = -1;
2369 for (i = panel->count; i; i--){
2370 if (!strcmp (panel->dir.list [i-1].fname, filename)){
2371 panel->selected = i-1;
2372 break;
2373 }
2374 }
2375 g_free (filename);
2376 panel->top_file = panel->selected - ITEMS (panel)/2;
2377 if (panel->top_file < 0)
2378 panel->top_file = 0;
2379 select_item (panel);
2380 panel_update_contents (panel);
2381 }
2382
2383 void
2384 panel_set_sort_order (WPanel *panel, sortfn *sort_order)
2385 {
2386 if (sort_order == 0)
2387 return;
2388
2389 panel->sort_type = sort_order;
2390
2391 /* The directory is already sorted, we have to load the unsorted stuff */
2392 if (sort_order == (sortfn *) unsorted){
2393 char *current_file;
2394
2395 current_file = g_strdup (panel->dir.list [panel->selected].fname);
2396 panel_reload (panel);
2397 try_to_select (panel, current_file);
2398 g_free (current_file);
2399 }
2400 panel_re_sort (panel);
2401 }
Midnight Commander