?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Just a little correction at the it.po file.
[midnight-commander.git] / src / screen.c
blobd32e85f1b904cc5320de3cfdc1833be19afc8c84
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 "wtools.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
48 #ifdef NATIVE_WIN32
49 # include "drive.h"
50 #endif
51
52 #define ELEMENTS(arr) ( sizeof(arr) / sizeof((arr)[0]) )
53
54 #define J_LEFT 1
55 #define J_RIGHT 2
56 #define J_CENTER 3
57
58 #define IS_FIT(x) ((x) & 0x0004)
59 #define MAKE_FIT(x) ((x) | 0x0004)
60 #define HIDE_FIT(x) ((x) & 0x0003)
61
62 #define J_LEFT_FIT 5
63 #define J_RIGHT_FIT 6
64 #define J_CENTER_FIT 7
65
66 #define NORMAL 0
67 #define SELECTED 1
68 #define MARKED 2
69 #define MARKED_SELECTED 3
70 #define STATUS 5
71
72 /*
73 * This describes a format item. The parse_display_format routine parses
74 * the user specified format and creates a linked list of format_e structures.
75 */
76 typedef struct format_e {
77 struct format_e *next;
78 int requested_field_len;
79 int field_len;
80 int just_mode;
81 int expand;
82 const char *(*string_fn)(file_entry *, int len);
83 char *title;
84 char *id;
85 } format_e;
86
87 /* If true, show the mini-info on the panel */
88 int show_mini_info = 1;
89
90 /* If true, then use stat() on the cwd to determine directory changes */
91 int fast_reload = 0;
92
93 /* If true, use some usability hacks by Torben */
94 int torben_fj_mode = 0;
95
96 /* If true, up/down keys scroll the pane listing by pages */
97 int panel_scroll_pages = 1;
98
99 /* If 1, we use permission hilighting */
100 int permission_mode = 0;
101
102 /* If 1 - then add per file type hilighting */
103 int filetype_mode = 1;
104
105 /* The hook list for the select file function */
106 Hook *select_file_hook = 0;
107
108 static int panel_callback (WPanel *p, int Msg, int Par);
109 static int panel_event (Gpm_Event *event, WPanel *panel);
110 static void paint_frame (WPanel *panel);
111 static char *panel_format (WPanel *panel);
112 static char *mini_status_format (WPanel *panel);
113
114 /* This macro extracts the number of available lines in a panel */
115 #define llines(p) (p->widget.lines-3 - (show_mini_info ? 2 : 0))
116
117 static void
118 set_colors (WPanel *panel)
119 {
120 standend ();
121 attrset (NORMAL_COLOR);
122 }
123
124 /* Delete format string, it is a linked list */
125 static void
126 delete_format (format_e *format)
127 {
128 format_e *next;
129
130 while (format){
131 next = format->next;
132 g_free (format);
133 format = next;
134 }
135 }
136
137 /* This code relies on the default justification!!! */
138 static void
139 add_permission_string (char *dest, int width, file_entry *fe, int attr, int color, int is_octal)
140 {
141 int i, r, l;
142
143 l = get_user_permissions (&fe->buf);
144
145 if (is_octal){
146 /* Place of the access bit in octal mode */
147 l = width + l - 3;
148 r = l + 1;
149 } else {
150 /* The same to the triplet in string mode */
151 l = l * 3 + 1;
152 r = l + 3;
153 }
154
155 for(i = 0; i < width; i++){
156 if (i >= l && i < r){
157 if (attr == SELECTED || attr == MARKED_SELECTED)
158 attrset (MARKED_SELECTED_COLOR);
159 else
160 attrset (MARKED_COLOR);
161 } else
162 attrset (color);
163
164 addch (dest[i]);
165 }
166 }
167
168 /* String representations of various file attributes */
169 /* name */
170 static const char *
171 string_file_name (file_entry *fe, int len)
172 {
173 static char buffer [BUF_SMALL];
174 int i;
175
176 for (i = 0; i < sizeof(buffer) - 1; i++) {
177 char c;
178
179 c = fe->fname[i];
180
181 if (!c)
182 break;
183
184 if (!is_printable(c))
185 c = '?';
186
187 buffer[i] = c;
188 }
189
190 buffer[i] = 0;
191 return buffer;
192 }
193
194 /* size */
195 static const char *
196 string_file_size (file_entry *fe, int len)
197 {
198 static char buffer [BUF_TINY];
199
200 /* Don't ever show size of ".." since we don't calculate it */
201 if (!strcmp (fe->fname, "..")) {
202 return _("UP--DIR");
203 }
204
205 #ifdef HAVE_ST_RDEV
206 if (S_ISBLK (fe->buf.st_mode) || S_ISCHR (fe->buf.st_mode))
207 g_snprintf (buffer, sizeof (buffer), "%3d,%3d",
208 (int) ((fe->buf.st_rdev >> 8) & 0xff),
209 (int) (fe->buf.st_rdev & 0xff));
210 else
211 #endif
212 {
213 size_trunc_len (buffer, len, fe->buf.st_size, 0);
214 }
215 return buffer;
216 }
217
218 /* bsize */
219 static const char *
220 string_file_size_brief (file_entry *fe, int len)
221 {
222 if (S_ISLNK (fe->buf.st_mode) && !fe->f.link_to_dir) {
223 return _("SYMLINK");
224 }
225
226 if ((S_ISDIR (fe->buf.st_mode) || fe->f.link_to_dir) && strcmp (fe->fname, "..")) {
227 return _("SUB-DIR");
228 }
229
230 return string_file_size (fe, len);
231 }
232
233 /* This functions return a string representation of a file entry */
234 /* type */
235 static const char *
236 string_file_type (file_entry *fe, int len)
237 {
238 static char buffer[2];
239
240 if (S_ISDIR (fe->buf.st_mode))
241 buffer[0] = PATH_SEP;
242 else if (S_ISLNK (fe->buf.st_mode)) {
243 if (fe->f.link_to_dir)
244 buffer[0] = '~';
245 else if (fe->f.stale_link)
246 buffer[0] = '!';
247 else
248 buffer[0] = '@';
249 } else if (S_ISCHR (fe->buf.st_mode))
250 buffer[0] = '-';
251 else if (S_ISSOCK (fe->buf.st_mode))
252 buffer[0] = '=';
253 else if (S_ISDOOR (fe->buf.st_mode))
254 buffer[0] = '>';
255 else if (S_ISBLK (fe->buf.st_mode))
256 buffer[0] = '+';
257 else if (S_ISFIFO (fe->buf.st_mode))
258 buffer[0] = '|';
259 else if (!S_ISREG (fe->buf.st_mode))
260 buffer[0] = '?'; /* non-regular of unknown kind */
261 else if (is_exe (fe->buf.st_mode))
262 buffer[0] = '*';
263 else
264 buffer[0] = ' ';
265 buffer[1] = '\0';
266 return buffer;
267 }
268
269 /* mtime */
270 static const char *
271 string_file_mtime (file_entry *fe, int len)
272 {
273 if (!strcmp (fe->fname, "..")) {
274 return "";
275 }
276 return file_date (fe->buf.st_mtime);
277 }
278
279 /* atime */
280 static const char *
281 string_file_atime (file_entry *fe, int len)
282 {
283 if (!strcmp (fe->fname, "..")) {
284 return "";
285 }
286 return file_date (fe->buf.st_atime);
287 }
288
289 /* ctime */
290 static const char *
291 string_file_ctime (file_entry *fe, int len)
292 {
293 if (!strcmp (fe->fname, "..")) {
294 return "";
295 }
296 return file_date (fe->buf.st_ctime);
297 }
298
299 /* perm */
300 static const char *
301 string_file_permission (file_entry *fe, int len)
302 {
303 return string_perm (fe->buf.st_mode);
304 }
305
306 /* mode */
307 static const char *
308 string_file_perm_octal (file_entry *fe, int len)
309 {
310 static char buffer [10];
311
312 g_snprintf (buffer, sizeof (buffer), "0%06o", fe->buf.st_mode);
313 return buffer;
314 }
315
316 /* nlink */
317 static const char *
318 string_file_nlinks (file_entry *fe, int len)
319 {
320 static char buffer[BUF_TINY];
321
322 g_snprintf (buffer, sizeof (buffer), "%16d", (int) fe->buf.st_nlink);
323 return buffer;
324 }
325
326 /* inode */
327 static const char *
328 string_inode (file_entry *fe, int len)
329 {
330 static char buffer [10];
331
332 g_snprintf (buffer, sizeof (buffer), "%lu",
333 (unsigned long) fe->buf.st_ino);
334 return buffer;
335 }
336
337 /* nuid */
338 static const char *
339 string_file_nuid (file_entry *fe, int len)
340 {
341 static char buffer [10];
342
343 g_snprintf (buffer, sizeof (buffer), "%lu",
344 (unsigned long) fe->buf.st_uid);
345 return buffer;
346 }
347
348 /* ngid */
349 static const char *
350 string_file_ngid (file_entry *fe, int len)
351 {
352 static char buffer [10];
353
354 g_snprintf (buffer, sizeof (buffer), "%lu",
355 (unsigned long) fe->buf.st_gid);
356 return buffer;
357 }
358
359 /* owner */
360 static const char *
361 string_file_owner (file_entry *fe, int len)
362 {
363 return get_owner (fe->buf.st_uid);
364 }
365
366 /* group */
367 static const char *
368 string_file_group (file_entry *fe, int len)
369 {
370 return get_group (fe->buf.st_gid);
371 }
372
373 /* mark */
374 static const char *
375 string_marked (file_entry *fe, int len)
376 {
377 return fe->f.marked ? "*" : " ";
378 }
379
380 /* space */
381 static const char *
382 string_space (file_entry *fe, int len)
383 {
384 return " ";
385 }
386
387 /* dot */
388 static const char *
389 string_dot (file_entry *fe, int len)
390 {
391 return ".";
392 }
393
394 #define GT 1
395
396 static struct {
397 char *id;
398 int min_size;
399 int expands;
400 int default_just;
401 char *title;
402 int use_in_gui;
403 const char *(*string_fn)(file_entry *, int);
404 sortfn *sort_routine;
405 } formats [] = {
406 { "name", 12, 1, J_LEFT_FIT, N_("Name"), 1, string_file_name, (sortfn *) sort_name },
407 { "size", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size, (sortfn *) sort_size },
408 { "bsize", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size_brief, (sortfn *) sort_size },
409 { "type", GT, 0, J_LEFT, "", 2, string_file_type, (sortfn *) sort_type },
410 { "mtime", 12, 0, J_RIGHT, N_("MTime"), 1, string_file_mtime, (sortfn *) sort_time },
411 { "atime", 12, 0, J_RIGHT, N_("ATime"), 1, string_file_atime, (sortfn *) sort_atime },
412 { "ctime", 12, 0, J_RIGHT, N_("CTime"), 1, string_file_ctime, (sortfn *) sort_ctime },
413 { "perm", 10, 0, J_LEFT, N_("Permission"),1,string_file_permission, NULL },
414 { "mode", 6, 0, J_RIGHT, N_("Perm"), 1, string_file_perm_octal, NULL },
415 { "nlink", 2, 0, J_RIGHT, N_("Nl"), 1, string_file_nlinks, (sortfn *) sort_links },
416 { "inode", 5, 0, J_RIGHT, N_("Inode"), 1, string_inode, (sortfn *) sort_inode },
417 { "nuid", 5, 0, J_RIGHT, N_("UID"), 1, string_file_nuid, (sortfn *) sort_nuid },
418 { "ngid", 5, 0, J_RIGHT, N_("GID"), 1, string_file_ngid, (sortfn *) sort_ngid },
419 { "owner", 8, 0, J_LEFT_FIT, N_("Owner"), 1, string_file_owner, (sortfn *) sort_owner },
420 { "group", 8, 0, J_LEFT_FIT, N_("Group"), 1, string_file_group, (sortfn *) sort_group },
421 { "mark", 1, 0, J_RIGHT, " ", 1, string_marked, NULL },
422 { "|", 1, 0, J_RIGHT, " ", 0, NULL, NULL },
423 { "space", 1, 0, J_RIGHT, " ", 0, string_space, NULL },
424 { "dot", 1, 0, J_RIGHT, " ", 0, string_dot, NULL },
425 };
426
427 static char *
428 to_buffer (char *dest, int just_mode, int len, const char *txt)
429 {
430 int txtlen = strlen (txt);
431 int still, over;
432
433 /* Fill buffer with spaces */
434 memset (dest, ' ', len);
435
436 still = (over=(txtlen > len)) ? (txtlen - len) : (len - txtlen);
437
438 switch (HIDE_FIT(just_mode)){
439 case J_LEFT:
440 still = 0;
441 break;
442 case J_CENTER:
443 still /= 2;
444 break;
445 case J_RIGHT:
446 default:
447 break;
448 }
449
450 if (over){
451 if (IS_FIT(just_mode))
452 strcpy (dest, name_trunc(txt, len));
453 else
454 strncpy (dest, txt+still, len);
455 } else
456 strncpy (dest+still, txt, txtlen);
457
458 dest[len] = '\0';
459
460 return (dest + len);
461 }
462
463 static int
464 file_compute_color (int attr, file_entry *fe)
465 {
466 switch (attr) {
467 case SELECTED:
468 return (SELECTED_COLOR);
469 case MARKED:
470 return (MARKED_COLOR);
471 case MARKED_SELECTED:
472 return (MARKED_SELECTED_COLOR);
473 case STATUS:
474 return (NORMAL_COLOR);
475 case NORMAL:
476 default:
477 if (!filetype_mode)
478 return (NORMAL_COLOR);
479 }
480
481 /* if filetype_mode == true */
482 if (S_ISDIR (fe->buf.st_mode))
483 return (DIRECTORY_COLOR);
484 else if (S_ISLNK (fe->buf.st_mode)) {
485 if (fe->f.link_to_dir)
486 return (DIRECTORY_COLOR);
487 else if (fe->f.stale_link)
488 return (STALE_LINK_COLOR);
489 else
490 return (LINK_COLOR);
491 } else if (S_ISSOCK (fe->buf.st_mode))
492 return (SPECIAL_COLOR);
493 else if (S_ISCHR (fe->buf.st_mode))
494 return (DEVICE_COLOR);
495 else if (S_ISBLK (fe->buf.st_mode))
496 return (DEVICE_COLOR);
497 else if (S_ISFIFO (fe->buf.st_mode))
498 return (SPECIAL_COLOR);
499 else if (S_ISDOOR (fe->buf.st_mode))
500 return (SPECIAL_COLOR);
501 else if (!S_ISREG (fe->buf.st_mode))
502 return (STALE_LINK_COLOR); /* non-regular file of unknown kind */
503 else if (is_exe (fe->buf.st_mode))
504 return (EXECUTABLE_COLOR);
505 else if (fe->fname && (!strcmp (fe->fname, "core")
506 || !strcmp (extension (fe->fname), "core")))
507 return (CORE_COLOR);
508
509 return (NORMAL_COLOR);
510 }
511
512 /* Formats the file number file_index of panel in the buffer dest */
513 static void
514 format_file (char *dest, int limit, WPanel *panel, int file_index, int width, int attr, int isstatus)
515 {
516 int color, length, empty_line;
517 const char *txt;
518 char *old_pos;
519 char *cdest = dest;
520 format_e *format, *home;
521 file_entry *fe;
522
523 length = 0;
524 empty_line = (file_index >= panel->count);
525 home = (isstatus) ? panel->status_format : panel->format;
526 fe = &panel->dir.list [file_index];
527
528 if (!empty_line)
529 color = file_compute_color (attr, fe);
530 else
531 color = NORMAL_COLOR;
532
533 for (format = home; format; format = format->next){
534
535 if (length == width)
536 break;
537
538 if (format->string_fn){
539 int len;
540
541 if (empty_line)
542 txt = " ";
543 else
544 txt = (*format->string_fn)(fe, format->field_len);
545
546 old_pos = cdest;
547
548 len = format->field_len;
549 if (len + length > width)
550 len = width - length;
551 if (len + (cdest - dest) > limit)
552 len = limit - (cdest - dest);
553 if (len <= 0)
554 break;
555 cdest = to_buffer (cdest, format->just_mode, len, txt);
556 length += len;
557
558 attrset (color);
559
560 if (permission_mode && !strcmp(format->id, "perm"))
561 add_permission_string (old_pos, format->field_len, fe, attr, color, 0);
562 else if (permission_mode && !strcmp(format->id, "mode"))
563 add_permission_string (old_pos, format->field_len, fe, attr, color, 1);
564 else
565 addstr (old_pos);
566
567 } else {
568 if (attr == SELECTED || attr == MARKED_SELECTED)
569 attrset (SELECTED_COLOR);
570 else
571 attrset (NORMAL_COLOR);
572 one_vline ();
573 length++;
574 }
575 }
576
577 if (length < width){
578 int still = width - length;
579 while (still--)
580 addch (' ');
581 }
582 }
583
584 static void
585 repaint_file (WPanel *panel, int file_index, int mv, int attr, int isstatus)
586 {
587 int second_column = 0;
588 int width, offset;
589 char buffer [BUF_MEDIUM];
590
591 offset = 0;
592 if (!isstatus && panel->split){
593
594 second_column = (file_index - panel->top_file) / llines (panel);
595 width = (panel->widget.cols - 2)/2 - 1;
596
597 if (second_column){
598 offset = 1 + width;
599 width = (panel->widget.cols-2) - (panel->widget.cols-2)/2 - 1;
600 }
601 } else
602 width = (panel->widget.cols - 2);
603
604 /* Nothing to paint */
605 if (width <= 0)
606 return;
607
608 if (mv){
609 if (!isstatus && panel->split){
610 widget_move (&panel->widget,
611 (file_index - panel->top_file) %
612 llines (panel) + 2,
613 (offset + 1));
614 } else
615 widget_move (&panel->widget, file_index - panel->top_file + 2, 1);
616 }
617
618 format_file (buffer, sizeof(buffer), panel, file_index, width, attr, isstatus);
619
620 if (!isstatus && panel->split){
621 if (second_column)
622 addch (' ');
623 else {
624 attrset (NORMAL_COLOR);
625 one_vline ();
626 }
627 }
628 }
629
630 static void
631 display_mini_info (WPanel *panel)
632 {
633 if (!show_mini_info)
634 return;
635
636 widget_move (&panel->widget, llines (panel)+3, 1);
637
638 if (panel->searching){
639 attrset (INPUT_COLOR);
640 printw ("/%-*s", panel->widget.cols-3, panel->search_buffer);
641 attrset (NORMAL_COLOR);
642 return;
643 }
644
645 /* Status displays total marked size */
646 if (panel->marked){
647 char buffer [BUF_SMALL];
648 char *p = " %-*s";
649 int cols = panel->widget.cols-2;
650
651 attrset (MARKED_COLOR);
652 printw ("%*s", cols, " ");
653 widget_move (&panel->widget, llines (panel)+3, 1);
654 /* FIXME: use ngettext() here when gettext-0.10.35 becomes history */
655 g_snprintf (buffer, sizeof (buffer), (panel->marked == 1) ?
656 _("%s bytes in %d file") : _("%s bytes in %d files"),
657 size_trunc_sep (panel->total), panel->marked);
658 if (strlen (buffer) > cols-2){
659 buffer [cols] = 0;
660 p += 2;
661 } else
662 cols -= 2;
663 printw (p, cols, buffer);
664 return;
665 }
666
667 /* Status resolves links and show them */
668 set_colors (panel);
669 #ifndef NATIVE_WIN32
670 if (S_ISLNK (panel->dir.list [panel->selected].buf.st_mode)){
671 char *link, link_target [MC_MAXPATHLEN];
672 int len;
673
674 link = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
675 len = mc_readlink (link, link_target, MC_MAXPATHLEN);
676 g_free (link);
677 if (len > 0){
678 link_target[len] = 0;
679 printw ("-> %-*s", panel->widget.cols - 5,
680 name_trunc (link_target, panel->widget.cols - 5));
681 } else
682 addstr (_("<readlink failed>"));
683 return;
684 }
685 #endif
686 /* Default behaviour */
687 repaint_file (panel, panel->selected, 0, STATUS, 1);
688 return;
689 }
690
691 static void
692 paint_dir (WPanel *panel)
693 {
694 int i;
695 int color; /* Color value of the line */
696 int items; /* Number of items */
697
698 items = llines (panel) * (panel->split ? 2 : 1);
699
700 for (i = 0; i < items; i++){
701 if (i+panel->top_file >= panel->count)
702 color = 0;
703 else {
704 color = 2 * (panel->dir.list [i+panel->top_file].f.marked);
705 color += (panel->selected==i+panel->top_file && panel->active);
706 }
707 repaint_file (panel, i+panel->top_file, 1, color, 0);
708 }
709 standend ();
710 panel->dirty = 0;
711 }
712
713 static void
714 mini_info_separator (WPanel *panel)
715 {
716 if (!show_mini_info)
717 return;
718
719 standend ();
720 widget_move (&panel->widget, llines (panel) + 2, 1);
721 #ifdef HAVE_SLANG
722 attrset (NORMAL_COLOR);
723 hline (ACS_HLINE, panel->widget.cols - 2);
724 #else
725 hline ((slow_terminal ? '-' : ACS_HLINE) | NORMAL_COLOR,
726 panel->widget.cols - 2);
727 #endif /* !HAVE_SLANG */
728 }
729
730 static void
731 show_dir (WPanel *panel)
732 {
733 char tmp[200];
734
735 set_colors (panel);
736 draw_double_box (panel->widget.parent,
737 panel->widget.y, panel->widget.x,
738 panel->widget.lines, panel->widget.cols);
739
740 #ifdef HAVE_SLANG
741 if (show_mini_info) {
742 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
743 panel->widget.x, SLSMG_LTEE_CHAR);
744 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
745 panel->widget.x + panel->widget.cols - 1,
746 SLSMG_RTEE_CHAR);
747 }
748 #endif /* HAVE_SLANG */
749
750 if (panel->active)
751 attrset (REVERSE_COLOR);
752
753 widget_move (&panel->widget, 0, 3);
754
755 trim (strip_home_and_password (panel->cwd), tmp,
756 max (panel->widget.cols - 7, 0));
757 addstr (tmp);
758 widget_move (&panel->widget, 0, 1);
759 addstr ("<");
760 widget_move (&panel->widget, 0, panel->widget.cols - 2);
761 addstr (">");
762 widget_move (&panel->widget, 0, panel->widget.cols - 3);
763 addstr ("v");
764
765 if (panel->active)
766 standend ();
767 }
768
769 /* To be used only by long_frame and full_frame to adjust top_file */
770 static void
771 adjust_top_file (WPanel *panel)
772 {
773 int old_top = panel->top_file;
774
775 if (panel->selected - old_top > llines (panel))
776 panel->top_file = panel->selected;
777 if (old_top - panel->count > llines (panel))
778 panel->top_file = panel->count - llines (panel);
779 }
780
781 /* Repaints the information that changes after a command */
782 void
783 panel_update_contents (WPanel *panel)
784 {
785 show_dir (panel);
786 paint_dir (panel);
787 display_mini_info (panel);
788 }
789
790 void
791 paint_panel (WPanel *panel)
792 {
793 paint_frame (panel);
794 panel_update_contents (panel);
795 mini_info_separator (panel);
796 }
797
798 static void
799 do_select (WPanel *panel, int i)
800 {
801 if (i != panel->selected) {
802 panel->dirty = 1;
803 panel->selected = i;
804 panel->top_file = panel->selected - (panel->widget.lines - 2) / 2;
805 if (panel->top_file < 0)
806 panel->top_file = 0;
807 }
808 }
809
810 static inline void
811 do_try_to_select (WPanel *panel, char *name)
812 {
813 int i;
814 char *subdir;
815
816 if (!name) {
817 do_select(panel, 0);
818 return;
819 }
820
821 /* We only want the last component of the directory */
822 subdir = x_basename (name);
823
824 subdir = vfs_strip_suffix_from_filename (subdir);
825
826 /* Search that subdirectory, if found select it */
827 for (i = 0; i < panel->count; i++){
828 if (strcmp (subdir, panel->dir.list [i].fname) == 0) {
829 do_select (panel, i);
830 g_free (subdir);
831 return;
832 }
833 }
834
835 /* Try to select a file near the file that is missing */
836 if (panel->selected >= panel->count)
837 do_select (panel, panel->count-1);
838 g_free (subdir);
839 }
840
841 void
842 try_to_select (WPanel *panel, char *name)
843 {
844 do_try_to_select (panel, name);
845 select_item (panel);
846 display_mini_info (panel);
847 }
848
849 void
850 panel_update_cols (Widget *widget, int frame_size)
851 {
852 int cols, origin;
853
854 if (horizontal_split){
855 widget->cols = COLS;
856 return;
857 }
858
859 if (frame_size == frame_full){
860 cols = COLS;
861 origin = 0;
862 } else {
863 if (widget == get_panel_widget (0)){
864 cols = first_panel_size;
865 origin = 0;
866 } else {
867 cols = COLS-first_panel_size;
868 origin = first_panel_size;
869 }
870 }
871
872 widget->cols = cols;
873 widget->x = origin;
874 }
875
876 static char *
877 panel_save_name (WPanel *panel)
878 {
879 extern int saving_setup;
880
881 /* If the program is shuting down */
882 if ((midnight_shutdown && auto_save_setup) || saving_setup)
883 return g_strdup (panel->panel_name);
884 else
885 return g_strconcat ("Temporal:", panel->panel_name, NULL);
886 }
887
888 static void
889 panel_destroy (WPanel *p)
890 {
891 int i;
892
893 char *name = panel_save_name (p);
894
895 panel_save_setup (p, name);
896 panel_clean_dir (p);
897
898 /* save and clean history */
899 if (p->dir_history){
900 history_put (p->hist_name, p->dir_history);
901
902 g_list_foreach (p->dir_history, (GFunc) g_free, NULL);
903 g_list_free (p->dir_history);
904 }
905
906 g_free (p->hist_name);
907
908 delete_format (p->format);
909 delete_format (p->status_format);
910
911 g_free (p->user_format);
912 for (i = 0; i < LIST_TYPES; i++)
913 g_free (p->user_status_format [i]);
914 g_free (p->dir.list);
915 g_free (p->panel_name);
916 g_free (name);
917 }
918
919 static void
920 panel_format_modified (WPanel *panel)
921 {
922 panel->format_modified = 1;
923 }
924
925 /* Panel creation */
926 /* The parameter specifies the name of the panel for setup retieving */
927 WPanel *
928 panel_new (const char *panel_name)
929 {
930 WPanel *panel;
931 char *section;
932 int i, err;
933
934 panel = g_new0 (WPanel, 1);
935
936 /* No know sizes of the panel at startup */
937 init_widget (&panel->widget, 0, 0, 0, 0, (callback_fn)
938 panel_callback, (destroy_fn) panel_destroy,
939 (mouse_h) panel_event, NULL);
940
941 /* We do not want the cursor */
942 widget_want_cursor (panel->widget, 0);
943
944 mc_get_current_wd (panel->cwd, sizeof (panel->cwd)-2);
945 strcpy (panel->lwd, ".");
946
947 panel->hist_name = g_strconcat ("Dir Hist ", panel_name, NULL);
948 panel->dir_history = history_get (panel->hist_name);
949 directory_history_add (panel, panel->cwd);
950
951 panel->dir.list = g_new (file_entry, MIN_FILES);
952 panel->dir.size = MIN_FILES;
953 panel->active = 0;
954 panel->filter = 0;
955 panel->split = 0;
956 panel->top_file = 0;
957 panel->selected = 0;
958 panel->marked = 0;
959 panel->total = 0;
960 panel->reverse = 0;
961 panel->dirty = 1;
962 panel->searching = 0;
963 panel->dirs_marked = 0;
964 panel->is_panelized = 0;
965 panel->format = 0;
966 panel->status_format = 0;
967 panel->format_modified = 1;
968
969 panel->panel_name = g_strdup (panel_name);
970 panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
971
972 for(i = 0; i < LIST_TYPES; i++)
973 panel->user_status_format [i] = g_strdup (DEFAULT_USER_FORMAT);
974
975 panel->search_buffer [0] = 0;
976 panel->frame_size = frame_half;
977 section = g_strconcat ("Temporal:", panel->panel_name, NULL);
978 if (!profile_has_section (section, profile_name)){
979 g_free (section);
980 section = g_strdup (panel->panel_name);
981 }
982 panel_load_setup (panel, section);
983 g_free (section);
984
985 /* Load format strings */
986 err = set_panel_formats (panel);
987 if (err){
988 set_panel_formats (panel);
989 }
990
991 /* Load the default format */
992 panel->count = do_load_dir (&panel->dir, panel->sort_type,
993 panel->reverse, panel->case_sensitive, panel->filter);
994 return panel;
995 }
996
997 void
998 panel_reload (WPanel *panel)
999 {
1000 struct stat current_stat;
1001
1002 if (fast_reload
1003 && !stat (panel->cwd, &current_stat)
1004 && current_stat.st_ctime == panel->dir_stat.st_ctime
1005 && current_stat.st_mtime == panel->dir_stat.st_mtime)
1006 return;
1007
1008 while (mc_chdir (panel->cwd) == -1){
1009 char *last_slash;
1010
1011 if (panel->cwd [0] == PATH_SEP && panel->cwd [1] == 0){
1012 panel_clean_dir (panel);
1013 panel->count = set_zero_dir (&panel->dir);
1014 return;
1015 }
1016 last_slash = strrchr (panel->cwd, PATH_SEP);
1017 if (!last_slash || last_slash == panel->cwd)
1018 strcpy (panel->cwd, PATH_SEP_STR);
1019 else
1020 *last_slash = 0;
1021 memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
1022 show_dir (panel);
1023 }
1024
1025 panel->count = do_reload_dir (&panel->dir, panel->sort_type, panel->count,
1026 panel->reverse, panel->case_sensitive, panel->filter);
1027
1028 panel->dirty = 1;
1029 if (panel->selected >= panel->count)
1030 do_select (panel, panel->count-1);
1031
1032 recalculate_panel_summary (panel);
1033 }
1034
1035 static void
1036 paint_frame (WPanel *panel)
1037 {
1038 int header_len;
1039 int spaces, extra;
1040 int side, width;
1041
1042 char *txt, buffer[30]; /*Hope that this is enough ;-) */
1043 if (!panel->split)
1044 adjust_top_file (panel);
1045
1046 widget_erase (&panel->widget);
1047 show_dir (panel);
1048
1049 widget_move (&panel->widget, 1, 1);
1050
1051 for (side = 0; side <= panel->split; side++){
1052 format_e *format;
1053
1054 if (side){
1055 attrset (NORMAL_COLOR);
1056 one_vline ();
1057 width = panel->widget.cols - panel->widget.cols/2 - 1;
1058 } else if (panel->split)
1059 width = panel->widget.cols/2 - 3;
1060 else
1061 width = panel->widget.cols - 2;
1062
1063 for (format = panel->format; format; format = format->next){
1064 if (format->string_fn){
1065 txt = format->title;
1066
1067 header_len = strlen (txt);
1068 if (header_len > format->field_len){
1069 strcpy (buffer, txt);
1070 txt = buffer;
1071 txt [format->field_len] = 0;
1072 header_len = strlen (txt);
1073 }
1074
1075 attrset (MARKED_COLOR);
1076 spaces = (format->field_len - header_len) / 2;
1077 extra = (format->field_len - header_len) % 2;
1078 printw ("%*s%-s%*s", spaces, "",
1079 txt, spaces+extra, "");
1080 width -= 2 * spaces + extra + header_len;
1081 } else {
1082 attrset (NORMAL_COLOR);
1083 one_vline ();
1084 width --;
1085 continue;
1086 }
1087 }
1088
1089 if (width > 0)
1090 printw ("%*s", width, "");
1091 }
1092 }
1093
1094 static char *
1095 parse_panel_size (WPanel *panel, char *format, int isstatus)
1096 {
1097 int frame = frame_half;
1098 format = skip_separators (format);
1099
1100 if (!strncmp (format, "full", 4)){
1101 frame = frame_full;
1102 format += 4;
1103 } else if (!strncmp (format, "half", 4)){
1104 frame = frame_half;
1105 format += 4;
1106 }
1107
1108 if (!isstatus){
1109 panel->frame_size = frame;
1110 panel->split = 0;
1111 }
1112
1113 /* Now, the optional column specifier */
1114 format = skip_separators (format);
1115
1116 if (*format == '1' || *format == '2'){
1117 if (!isstatus)
1118 panel->split = *format == '2';
1119 format++;
1120 }
1121
1122 if (!isstatus)
1123 panel_update_cols (&(panel->widget), panel->frame_size);
1124
1125 return skip_separators (format);
1126 }
1127
1128 /* Format is:
1129
1130 all := panel_format? format
1131 panel_format := [full|half] [1|2]
1132 format := one_format_e
1133 | format , one_format_e
1134
1135 one_format_e := just format.id [opt_size]
1136 just := [<=>]
1137 opt_size := : size [opt_expand]
1138 size := [0-9]+
1139 opt_expand := +
1140
1141 */
1142
1143 static format_e *
1144 parse_display_format (WPanel *panel, char *format, char **error, int isstatus, int *res_total_cols)
1145 {
1146 format_e *darr, *old = 0, *home = 0; /* The formats we return */
1147 int total_cols = 0; /* Used columns by the format */
1148 int set_justify; /* flag: set justification mode? */
1149 int justify = 0; /* Which mode. */
1150 int items = 0; /* Number of items in the format */
1151 int i;
1152
1153 static size_t i18n_timelength = 0; /* flag: check ?Time length at startup */
1154
1155 *error = 0;
1156
1157 if (i18n_timelength == 0) {
1158 i18n_timelength = i18n_checktimelength (); /* Musn't be 0 */
1159
1160 for (i = 0; i < ELEMENTS(formats); i++)
1161 if (strcmp ("time", formats [i].id+1) == 0)
1162 formats [i].min_size = i18n_timelength;
1163 }
1164
1165 /*
1166 * This makes sure that the panel and mini status full/half mode
1167 * setting is equal
1168 */
1169 format = parse_panel_size (panel, format, isstatus);
1170
1171 while (*format){ /* format can be an empty string */
1172 int found = 0;
1173
1174 darr = g_new (format_e, 1);
1175
1176 /* I'm so ugly, don't look at me :-) */
1177 if (!home)
1178 home = old = darr;
1179
1180 old->next = darr;
1181 darr->next = 0;
1182 old = darr;
1183
1184 format = skip_separators (format);
1185
1186 if (strchr ("<=>", *format)){
1187 set_justify = 1;
1188 switch (*format)
1189 {
1190 case '<':
1191 justify = J_LEFT;
1192 break;
1193 case '=':
1194 justify = J_CENTER;
1195 break;
1196 case '>':
1197 default:
1198 justify = J_RIGHT;
1199 break;
1200 }
1201 format = skip_separators (format+1);
1202 } else
1203 set_justify = 0;
1204
1205 for (i = 0; i < ELEMENTS(formats); i++){
1206 int klen = strlen (formats [i].id);
1207
1208 if (strncmp (format, formats [i].id, klen) != 0)
1209 continue;
1210
1211 format += klen;
1212
1213 if (formats [i].use_in_gui)
1214 items++;
1215
1216 darr->requested_field_len = formats [i].min_size;
1217 darr->string_fn = formats [i].string_fn;
1218 if (formats [i].title [0])
1219 darr->title = _(formats [i].title);
1220 else
1221 darr->title = "";
1222 darr->id = formats [i].id;
1223 darr->expand = formats [i].expands;
1224 darr->just_mode = formats [i].default_just;
1225
1226 if (set_justify) {
1227 if (IS_FIT(darr->just_mode))
1228 darr->just_mode = MAKE_FIT(justify);
1229 else
1230 darr->just_mode = justify;
1231 }
1232 found = 1;
1233
1234 format = skip_separators (format);
1235
1236 /* If we have a size specifier */
1237 if (*format == ':'){
1238 int req_length;
1239
1240 /* If the size was specified, we don't want
1241 * auto-expansion by default
1242 */
1243 darr->expand = 0;
1244 format++;
1245 req_length = atoi (format);
1246 darr->requested_field_len = req_length;
1247
1248 format = skip_numbers (format);
1249
1250 /* Now, if they insist on expansion */
1251 if (*format == '+'){
1252 darr->expand = 1;
1253 format++;
1254 }
1255
1256 }
1257
1258 break;
1259 }
1260 if (!found){
1261 char old_char;
1262
1263 int pos = min (8, strlen (format));
1264 delete_format (home);
1265 old_char = format [pos];
1266 format [pos] = 0;
1267 *error = g_strconcat (_("Unknown tag on display format: "), format, NULL);
1268 format [pos] = old_char;
1269 return 0;
1270 }
1271 total_cols += darr->requested_field_len;
1272 }
1273
1274 *res_total_cols = total_cols;
1275 return home;
1276 }
1277
1278 static format_e *
1279 use_display_format (WPanel *panel, char *format, char **error, int isstatus)
1280 {
1281 #define MAX_EXPAND 4
1282 int expand_top = 0; /* Max used element in expand */
1283 int usable_columns; /* Usable columns in the panel */
1284 int total_cols;
1285 char *expand_list [MAX_EXPAND]; /* Expand at most 4 fields. */
1286 int i;
1287 format_e *darr, *home;
1288
1289 if (!format)
1290 format = DEFAULT_USER_FORMAT;
1291
1292 home = parse_display_format (panel, format, error, isstatus, &total_cols);
1293
1294 if (*error)
1295 return 0;
1296
1297 /* Status needn't to be split */
1298 usable_columns = ((panel->widget.cols-2)/((isstatus)
1299 ? 1
1300 : (panel->split+1))) - (!isstatus && panel->split);
1301
1302 /* Clean expand list */
1303 for (i = 0; i < MAX_EXPAND; i++)
1304 expand_list [i] = '\0';
1305
1306
1307 /* Look for the expandable fields and set field_len based on the requested field len */
1308 for (darr = home; darr && expand_top < MAX_EXPAND; darr = darr->next){
1309 darr->field_len = darr->requested_field_len;
1310 if (darr->expand)
1311 expand_list [expand_top++] = darr->id;
1312 }
1313
1314 /* If we used more columns than the available columns, adjust that */
1315 if (total_cols > usable_columns){
1316 int pdif, dif = total_cols - usable_columns;
1317
1318 while (dif){
1319 pdif = dif;
1320 for (darr = home; darr; darr = darr->next){
1321 if (dif && darr->field_len - 1){
1322 darr->field_len--;
1323 dif--;
1324 }
1325 }
1326
1327 /* avoid endless loop if num fields > 40 */
1328 if (pdif == dif)
1329 break;
1330 }
1331 total_cols = usable_columns; /* give up, the rest should be truncated */
1332 }
1333
1334 /* Expand the available space */
1335 if ((usable_columns > total_cols) && expand_top){
1336 int spaces = (usable_columns - total_cols) / expand_top;
1337 int extra = (usable_columns - total_cols) % expand_top;
1338
1339 for (i = 0, darr = home; darr && (i < expand_top); darr = darr->next)
1340 if (darr->expand){
1341 darr->field_len += (spaces + ((i == 0) ? extra : 0));
1342 i++;
1343 }
1344 }
1345 return home;
1346 }
1347
1348 /* Switches the panel to the mode specified in the format */
1349 /* Seting up both format and status string. Return: 0 - on success; */
1350 /* 1 - format error; 2 - status error; 3 - errors in both formats. */
1351 int
1352 set_panel_formats (WPanel *p)
1353 {
1354 format_e *form;
1355 char *err;
1356 int retcode = 0;
1357
1358 form = use_display_format (p, panel_format (p), &err, 0);
1359
1360 if (err){
1361 g_free (err);
1362 retcode = 1;
1363 }
1364 else {
1365 if (p->format)
1366 delete_format (p->format);
1367
1368 p->format = form;
1369 }
1370
1371 if (show_mini_info){
1372
1373 form = use_display_format (p, mini_status_format (p), &err, 1);
1374
1375 if (err){
1376 g_free (err);
1377 retcode += 2;
1378 }
1379 else {
1380 if (p->status_format)
1381 delete_format (p->status_format);
1382
1383 p->status_format = form;
1384 }
1385 }
1386
1387 panel_format_modified (p);
1388 panel_update_cols (&(p->widget), p->frame_size);
1389
1390 if (retcode)
1391 message( 1, _("Warning" ), _( "User supplied format looks invalid, reverting to default." ) );
1392 if (retcode & 0x01){
1393 g_free (p->user_format);
1394 p->user_format = g_strdup (DEFAULT_USER_FORMAT);
1395 }
1396 if (retcode & 0x02){
1397 g_free (p->user_status_format [p->list_type]);
1398 p->user_status_format [p->list_type] = g_strdup (DEFAULT_USER_FORMAT);
1399 }
1400
1401 return retcode;
1402 }
1403
1404 /* Given the panel->view_type returns the format string to be parsed */
1405 static char *
1406 panel_format (WPanel *panel)
1407 {
1408 switch (panel->list_type){
1409
1410 case list_long:
1411 return "full perm space nlink space owner space group space size space mtime space name";
1412
1413 case list_brief:
1414 return "half 2 type name";
1415
1416 case list_user:
1417 return panel->user_format;
1418
1419 default:
1420 case list_full:
1421 return "half type name | size | mtime";
1422 }
1423 }
1424
1425 static char *
1426 mini_status_format (WPanel *panel)
1427 {
1428 if (panel->user_mini_status)
1429 return panel->user_status_format [panel->list_type];
1430
1431 switch (panel->list_type){
1432
1433 case list_long:
1434 return "full perm space nlink space owner space group space size space mtime space name";
1435
1436 case list_brief:
1437 return "half type name space bsize space perm space";
1438
1439 case list_full:
1440 return "half type name";
1441
1442 default:
1443 case list_user:
1444 return panel->user_format;
1445 }
1446 }
1447
1448 /* */
1449 /* Panel operation commands */
1450 /* */
1451
1452 /* Returns the number of items in the given panel */
1453 static int
1454 ITEMS (WPanel *p)
1455 {
1456 if (p->split)
1457 return llines (p) * 2;
1458 else
1459 return llines (p);
1460 }
1461
1462 /* This function sets redisplays the selection */
1463 void
1464 select_item (WPanel *panel)
1465 {
1466 int repaint = 0;
1467 int items = ITEMS (panel);
1468
1469 /* Although currently all over the code we set the selection and
1470 top file to decent values before calling select_item, I could
1471 forget it someday, so it's better to do the actual fitting here */
1472
1473 if (panel->top_file < 0) {
1474 repaint = 1;
1475 panel->top_file = 0;
1476 }
1477
1478 if (panel->selected < 0)
1479 panel->selected = 0;
1480
1481 if (panel->selected > panel->count - 1)
1482 panel->selected = panel->count - 1;
1483
1484 if (panel->top_file > panel->count - 1) {
1485 repaint = 1;
1486 panel->top_file = panel->count - 1;
1487 }
1488
1489 if ((panel->count - panel->top_file) < items) {
1490 repaint = 1;
1491 panel->top_file = panel->count - items;
1492 if (panel->top_file < 0)
1493 panel->top_file = 0;
1494 }
1495
1496 if (panel->selected < panel->top_file) {
1497 repaint = 1;
1498 panel->top_file = panel->selected;
1499 }
1500
1501 if ((panel->selected - panel->top_file) >= items) {
1502 repaint = 1;
1503 panel->top_file = panel->selected - items + 1;
1504 }
1505
1506 if (repaint)
1507 paint_panel (panel);
1508 else {
1509 if (panel->active)
1510 repaint_file (panel, panel->selected, 1,
1511 2 * selection (panel)->f.marked + 1, 0);
1512 }
1513
1514 display_mini_info (panel);
1515
1516 execute_hooks (select_file_hook);
1517 }
1518
1519 /* Clears all files in the panel, used only when one file was marked */
1520 void
1521 unmark_files (WPanel *panel)
1522 {
1523 int i;
1524
1525 if (!panel->marked)
1526 return;
1527 for (i = 0; i < panel->count; i++)
1528 file_mark (panel, i, 0);
1529
1530 panel->dirs_marked = 0;
1531 panel->marked = 0;
1532 panel->total = 0;
1533 }
1534
1535 static void
1536 unselect_item (WPanel *panel)
1537 {
1538 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked, 0);
1539 }
1540
1541 static void
1542 move_down (WPanel *panel)
1543 {
1544 if (panel->selected+1 == panel->count)
1545 return;
1546
1547 unselect_item (panel);
1548 panel->selected++;
1549
1550 if (panel->selected - panel->top_file == ITEMS (panel) &&
1551 panel_scroll_pages){
1552 /* Scroll window half screen */
1553 panel->top_file += ITEMS (panel)/2;
1554 if (panel->top_file > panel->count - ITEMS (panel))
1555 panel->top_file = panel->count - ITEMS (panel);
1556 paint_dir (panel);
1557 select_item (panel);
1558 }
1559 select_item (panel);
1560 }
1561
1562 static void
1563 move_up (WPanel *panel)
1564 {
1565 if (panel->selected == 0)
1566 return;
1567
1568 unselect_item (panel);
1569 panel->selected--;
1570 if (panel->selected < panel->top_file && panel_scroll_pages){
1571 /* Scroll window half screen */
1572 panel->top_file -= ITEMS (panel)/2;
1573 if (panel->top_file < 0) panel->top_file = 0;
1574 paint_dir (panel);
1575 }
1576 select_item (panel);
1577 }
1578
1579 /* Changes the selection by lines (may be negative) */
1580 static void
1581 move_selection (WPanel *panel, int lines)
1582 {
1583 int new_pos;
1584 int adjust = 0;
1585
1586 new_pos = panel->selected + lines;
1587 if (new_pos >= panel->count)
1588 new_pos = panel->count-1;
1589
1590 if (new_pos < 0)
1591 new_pos = 0;
1592
1593 unselect_item (panel);
1594 panel->selected = new_pos;
1595
1596 if (panel->selected - panel->top_file >= ITEMS (panel)){
1597 panel->top_file += lines;
1598 adjust = 1;
1599 }
1600
1601 if (panel->selected - panel->top_file < 0){
1602 panel->top_file += lines;
1603 adjust = 1;
1604 }
1605
1606 if (adjust){
1607 if (panel->top_file > panel->selected)
1608 panel->top_file = panel->selected;
1609 if (panel->top_file < 0)
1610 panel->top_file = 0;
1611 paint_dir (panel);
1612 }
1613 select_item (panel);
1614 }
1615
1616 static int
1617 move_left (WPanel *panel, int c_code)
1618 {
1619 if (panel->split) {
1620 move_selection (panel, -llines (panel));
1621 return 1;
1622 } else
1623 return maybe_cd (c_code, 0);
1624 }
1625
1626 static int
1627 move_right (WPanel *panel, int c_code)
1628 {
1629 if (panel->split) {
1630 move_selection (panel, llines (panel));
1631 return 1;
1632 } else
1633 return maybe_cd (c_code, 1);
1634 }
1635
1636 static void
1637 prev_page (WPanel *panel)
1638 {
1639 int items;
1640
1641 if (!panel->selected && !panel->top_file)
1642 return;
1643 unselect_item (panel);
1644 items = ITEMS (panel);
1645 if (panel->top_file < items)
1646 items = panel->top_file;
1647 if (!items)
1648 panel->selected = 0;
1649 else
1650 panel->selected -= items;
1651 panel->top_file -= items;
1652
1653 /* This keeps the selection in a reasonable place */
1654 if (panel->selected < 0)
1655 panel->selected = 0;
1656 if (panel->top_file < 0)
1657 panel->top_file = 0;
1658 select_item (panel);
1659 paint_dir (panel);
1660 }
1661
1662 static void
1663 ctrl_prev_page (WPanel *panel)
1664 {
1665 do_cd ("..", cd_exact);
1666 }
1667
1668 static void
1669 next_page (WPanel *panel)
1670 {
1671 int items;
1672
1673 if (panel->selected == panel->count - 1)
1674 return;
1675 unselect_item (panel);
1676 items = ITEMS (panel);
1677 if (panel->top_file > panel->count - 2 * items)
1678 items = panel->count - items - panel->top_file;
1679 if (panel->top_file + items < 0)
1680 items = -panel->top_file;
1681 if (!items)
1682 panel->selected = panel->count - 1;
1683 else
1684 panel->selected += items;
1685 panel->top_file += items;
1686
1687 /* This keeps the selection in it's relative position */
1688 if (panel->selected >= panel->count)
1689 panel->selected = panel->count - 1;
1690 if (panel->top_file >= panel->count)
1691 panel->top_file = panel->count - 1;
1692 select_item (panel);
1693 paint_dir (panel);
1694 }
1695
1696 static void
1697 ctrl_next_page (WPanel *panel)
1698 {
1699 if ((S_ISDIR (selection (panel)->buf.st_mode)
1700 || link_isdir (selection (panel)))) {
1701 do_cd (selection (panel)->fname, cd_exact);
1702 }
1703 }
1704
1705 static void
1706 goto_top_file (WPanel *panel)
1707 {
1708 unselect_item (panel);
1709 panel->selected = panel->top_file;
1710 select_item (panel);
1711 }
1712
1713 static void
1714 goto_middle_file (WPanel *panel)
1715 {
1716 unselect_item (panel);
1717 panel->selected = panel->top_file + (ITEMS (panel)/2);
1718 if (panel->selected >= panel->count)
1719 panel->selected = panel->count - 1;
1720 select_item (panel);
1721 }
1722
1723 static void
1724 goto_bottom_file (WPanel *panel)
1725 {
1726 unselect_item (panel);
1727 panel->selected = panel->top_file + ITEMS (panel)-1;
1728 if (panel->selected >= panel->count)
1729 panel->selected = panel->count - 1;
1730 select_item (panel);
1731 }
1732
1733 static void
1734 move_home (WPanel *panel)
1735 {
1736 if (panel->selected == 0)
1737 return;
1738 unselect_item (panel);
1739
1740 if (torben_fj_mode){
1741 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1742
1743 if (panel->selected > middle_pos){
1744 goto_middle_file (panel);
1745 return;
1746 }
1747 if (panel->selected != panel->top_file){
1748 goto_top_file (panel);
1749 return;
1750 }
1751 }
1752
1753 panel->top_file = 0;
1754 panel->selected = 0;
1755
1756 paint_dir (panel);
1757 select_item (panel);
1758 }
1759
1760 static void
1761 move_end (WPanel *panel)
1762 {
1763 if (panel->selected == panel->count-1)
1764 return;
1765 unselect_item (panel);
1766 if (torben_fj_mode){
1767 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1768
1769 if (panel->selected < middle_pos){
1770 goto_middle_file (panel);
1771 return;
1772 }
1773 if (panel->selected != (panel->top_file + ITEMS(panel)-1)){
1774 goto_bottom_file (panel);
1775 return;
1776 }
1777 }
1778
1779 panel->selected = panel->count-1;
1780 paint_dir (panel);
1781 select_item (panel);
1782 }
1783
1784 /* Recalculate the panels summary information, used e.g. when marked
1785 files might have been removed by an external command */
1786 void
1787 recalculate_panel_summary (WPanel *panel)
1788 {
1789 int i;
1790
1791 panel->marked = 0;
1792 panel->dirs_marked = 0;
1793 panel->total = 0;
1794
1795 for (i = 0; i < panel->count; i++)
1796 if (panel->dir.list [i].f.marked){
1797 /* do_file_mark will return immediately if newmark == oldmark.
1798 So we have to first unmark it to get panel's summary information
1799 updated. (Norbert) */
1800 panel->dir.list [i].f.marked = 0;
1801 do_file_mark (panel, i, 1);
1802 }
1803 }
1804
1805 /* This routine marks a file or a directory */
1806 void
1807 do_file_mark (WPanel *panel, int idx, int mark)
1808 {
1809 if (panel->dir.list [idx].f.marked == mark)
1810 return;
1811 /*
1812 * Only '..' can't be marked, '.' isn't visible.
1813 */
1814 if (strcmp (panel->dir.list [idx].fname, "..")){
1815 file_mark (panel, idx, mark);
1816 if (panel->dir.list [idx].f.marked){
1817 panel->marked++;
1818 if (S_ISDIR (panel->dir.list [idx].buf.st_mode)) {
1819 if (panel->dir.list [idx].f.dir_size_computed)
1820 panel->total += panel->dir.list [idx].buf.st_size;
1821 panel->dirs_marked++;
1822 } else
1823 panel->total += panel->dir.list [idx].buf.st_size;
1824 set_colors (panel);
1825 } else {
1826 if (S_ISDIR(panel->dir.list [idx].buf.st_mode)) {
1827 if (panel->dir.list [idx].f.dir_size_computed)
1828 panel->total -= panel->dir.list [idx].buf.st_size;
1829 panel->dirs_marked--;
1830 } else
1831 panel->total -= panel->dir.list [idx].buf.st_size;
1832 panel->marked--;
1833 }
1834 }
1835 }
1836
1837 static void
1838 do_mark_file (WPanel *panel, int do_move)
1839 {
1840 int idx = panel->selected;
1841
1842 do_file_mark (panel, idx, selection (panel)->f.marked ? 0 : 1);
1843 repaint_file (panel, idx, 1, 2*panel->dir.list [idx].f.marked+1, 0);
1844
1845 if (mark_moves_down && do_move)
1846 move_down (panel);
1847 display_mini_info (panel);
1848 }
1849
1850 static void
1851 mark_file (WPanel *panel)
1852 {
1853 do_mark_file (panel, 1);
1854 }
1855
1856 /* Incremental search of a file name in the panel */
1857 static void
1858 do_search (WPanel *panel, int c_code)
1859 {
1860 int l, i;
1861 int wrapped = 0;
1862 int found;
1863
1864 l = strlen (panel->search_buffer);
1865 if (l && (c_code == KEY_BACKSPACE))
1866 panel->search_buffer[--l] = 0;
1867 else {
1868 if (c_code && l < sizeof (panel->search_buffer)) {
1869 panel->search_buffer[l] = c_code;
1870 panel->search_buffer[l + 1] = 0;
1871 l++;
1872 }
1873 }
1874
1875 found = 0;
1876 for (i = panel->selected; !wrapped || i != panel->selected; i++) {
1877 if (i >= panel->count) {
1878 i = 0;
1879 if (wrapped)
1880 break;
1881 wrapped = 1;
1882 }
1883 if (panel->
1884 case_sensitive
1885 ? (strncmp (panel->dir.list[i].fname, panel->search_buffer, l)
1886 == 0) : (g_strncasecmp (panel->dir.list[i].fname,
1887 panel->search_buffer, l) == 0)) {
1888 unselect_item (panel);
1889 panel->selected = i;
1890 select_item (panel);
1891 found = 1;
1892 break;
1893 }
1894 }
1895 if (!found)
1896 panel->search_buffer[--l] = 0;
1897
1898 paint_panel (panel);
1899 }
1900
1901 static void
1902 start_search (WPanel *panel)
1903 {
1904 if (panel->searching){
1905 if (panel->selected+1 == panel->count)
1906 panel->selected = 0;
1907 else
1908 move_down (panel);
1909 do_search (panel, 0);
1910 } else {
1911 panel->searching = 1;
1912 panel->search_buffer [0] = 0;
1913 display_mini_info (panel);
1914 mc_refresh ();
1915 }
1916 }
1917
1918 /* Return 1 if the Enter key has been processed, 0 otherwise */
1919 static int
1920 do_enter_on_file_entry (file_entry *fe)
1921 {
1922 char *full_name;
1923
1924 /*
1925 * Directory or link to directory - change directory.
1926 * Try the same for the entries on which mc_lstat() has failed.
1927 */
1928 if (S_ISDIR (fe->buf.st_mode) || link_isdir (fe)
1929 || (fe->buf.st_mode == 0)) {
1930 if (!do_cd (fe->fname, cd_exact))
1931 message (1, MSG_ERROR, _("Cannot change directory"));
1932 return 1;
1933 }
1934
1935 /* Try associated command */
1936 if (regex_command (fe->fname, "Open", 0) != 0)
1937 return 1;
1938
1939 /* Check if the file is executable */
1940 full_name = concat_dir_and_file (cpanel->cwd, fe->fname);
1941 if (!is_exe (fe->buf.st_mode) || !if_link_is_exe (full_name, fe)) {
1942 g_free (full_name);
1943 return 0;
1944 }
1945 g_free (full_name);
1946
1947 #ifdef USE_VFS
1948 if (vfs_current_is_local ())
1949 #endif
1950 {
1951 char *tmp = name_quote (fe->fname, 0);
1952 char *cmd = g_strconcat (".", PATH_SEP_STR, tmp, NULL);
1953 g_free (tmp);
1954 if (!confirm_execute
1955 ||
1956 (query_dialog
1957 (_(" The Midnight Commander "),
1958 _(" Do you really want to execute? "), 0, 2, _("&Yes"),
1959 _("&No")) == 0))
1960 execute (cmd);
1961 g_free (cmd);
1962 }
1963 #ifdef USE_VFS
1964 else {
1965 char *tmp;
1966
1967 tmp = concat_dir_and_file (vfs_get_current_dir (), fe->fname);
1968 if (!mc_setctl (tmp, MCCTL_EXTFS_RUN, NULL))
1969 /* Execution on this filesysten is not implemented */
1970 message (1, _("Warning"), _(" No action taken "));
1971 g_free (tmp);
1972 }
1973 #endif /* USE_VFS */
1974
1975 return 1;
1976 }
1977
1978 static int
1979 do_enter (WPanel *panel)
1980 {
1981 return do_enter_on_file_entry (selection (panel));
1982 }
1983
1984 /*
1985 * Make the current directory of the current panel also the current
1986 * directory of the other panel. Put the other panel to the listing
1987 * mode if needed. If the current panel is panelized, the other panel
1988 * doesn't become panelized.
1989 */
1990 static void
1991 chdir_other_panel (WPanel *panel)
1992 {
1993 if (get_other_type () != view_listing) {
1994 set_display_type (get_other_index (), view_listing);
1995 }
1996
1997 do_panel_cd (opanel, cpanel->cwd, cd_exact);
1998
1999 /* try to select current filename on the other panel */
2000 if (!panel->is_panelized) {
2001 try_to_select (other_panel, selection (panel)->fname);
2002 }
2003 }
2004
2005 static void
2006 chdir_to_readlink (WPanel *panel)
2007 {
2008 char *new_dir;
2009
2010 if (get_other_type () != view_listing)
2011 return;
2012
2013 if (S_ISLNK (panel->dir.list [panel->selected].buf.st_mode)) {
2014 char buffer [MC_MAXPATHLEN], *p;
2015 int i;
2016 struct stat mybuf;
2017
2018 i = readlink (selection (panel)->fname, buffer, MC_MAXPATHLEN);
2019 if (i < 0)
2020 return;
2021 if (mc_stat (selection (panel)->fname, &mybuf) < 0)
2022 return;
2023 buffer [i] = 0;
2024 if (!S_ISDIR (mybuf.st_mode)) {
2025 p = strrchr (buffer, PATH_SEP);
2026 if (p && !p[1]) {
2027 *p = 0;
2028 p = strrchr (buffer, PATH_SEP);
2029 }
2030 if (!p)
2031 return;
2032 p[1] = 0;
2033 }
2034 if (*buffer == PATH_SEP)
2035 new_dir = g_strdup (buffer);
2036 else
2037 new_dir = concat_dir_and_file (panel->cwd, buffer);
2038
2039 change_panel ();
2040 do_cd (new_dir, cd_exact);
2041 change_panel ();
2042
2043 move_down (panel);
2044
2045 g_free (new_dir);
2046 }
2047 }
2048
2049 static const key_map panel_keymap [] = {
2050 { KEY_DOWN, move_down },
2051 { KEY_UP, move_up },
2052
2053 /* The action button :-) */
2054 { '\n', (key_callback) do_enter },
2055 { KEY_ENTER, (key_callback) do_enter },
2056
2057 { KEY_IC, mark_file },
2058 { KEY_HOME, move_home },
2059 { KEY_C1, move_end },
2060 { KEY_END, move_end },
2061 { KEY_A1, move_home },
2062 { KEY_NPAGE, next_page },
2063 { KEY_PPAGE, prev_page },
2064 { KEY_NPAGE | KEY_M_CTRL, ctrl_next_page },
2065 { KEY_PPAGE | KEY_M_CTRL, ctrl_prev_page },
2066
2067 /* To quickly move in the panel */
2068 { ALT('g'), goto_top_file },
2069 { ALT('r'), goto_middle_file }, /* M-r like emacs */
2070 { ALT('j'), goto_bottom_file },
2071
2072 #ifdef NATIVE_WIN32
2073 { ALT(KEY_F(11)), drive_cmd_a },
2074 { ALT(KEY_F(12)), drive_cmd_b },
2075 { ALT('d'), drive_chg },
2076 #endif
2077
2078 /* Emacs-like bindings */
2079 { XCTRL('v'), next_page }, /* C-v like emacs */
2080 { ALT('v'), prev_page }, /* M-v like emacs */
2081 { XCTRL('p'), move_up }, /* C-p like emacs */
2082 { XCTRL('n'), move_down }, /* C-n like emacs */
2083 { XCTRL('s'), start_search }, /* C-s like emacs */
2084 { ALT('s'), start_search }, /* M-s not like emacs */
2085 { XCTRL('t'), mark_file },
2086 { ALT('o'), chdir_other_panel },
2087 { ALT('l'), chdir_to_readlink },
2088 { ALT('H'), directory_history_list },
2089 { KEY_F(13), view_simple_cmd },
2090 { KEY_F(14), edit_cmd_new },
2091 { KEY_F(15), copy_cmd_local },
2092 { KEY_F(16), ren_cmd_local },
2093 { ALT('y'), directory_history_prev },
2094 { ALT('u'), directory_history_next },
2095 { ALT('+'), select_cmd },
2096 { KEY_KP_ADD, select_cmd },
2097 { ALT('\\'), unselect_cmd },
2098 { ALT('-'), unselect_cmd },
2099 { KEY_KP_SUBTRACT, unselect_cmd },
2100 { ALT('*'), reverse_selection_cmd },
2101 { KEY_KP_MULTIPLY, reverse_selection_cmd },
2102 { 0, 0 }
2103 };
2104
2105 static inline int
2106 panel_key (WPanel *panel, int key)
2107 {
2108 int i;
2109
2110 for (i = 0; panel_keymap [i].key_code; i++){
2111 if (key == panel_keymap [i].key_code){
2112 if (panel_keymap [i].fn != start_search)
2113 panel->searching = 0;
2114 (*panel_keymap [i].fn)(panel);
2115 return 1;
2116 }
2117 }
2118 if (torben_fj_mode && key == ALT('h')) {
2119 goto_middle_file (panel);
2120 return 1;
2121 }
2122
2123 /* We do not want to take a key press if nothing can be done with it */
2124 /* The command line widget may do something more usefull */
2125 if (key == KEY_LEFT)
2126 return move_left (panel, key);
2127
2128 if (key == KEY_RIGHT)
2129 return move_right (panel, key);
2130
2131 if (is_abort_char (key)) {
2132 panel->searching = 0;
2133 display_mini_info (panel);
2134 return 1;
2135 }
2136
2137 /* Do not eat characters not meant for the panel below ' ' (e.g. C-l). */
2138 if ((key >= ' ' && key <= 255) || key == KEY_BACKSPACE) {
2139 if (panel->searching){
2140 do_search (panel, key);
2141 return 1;
2142 }
2143
2144 if (!command_prompt)
2145 {
2146 start_search (panel);
2147 do_search (panel, key);
2148 return 1;
2149 }
2150 }
2151
2152 return 0;
2153 }
2154
2155 void user_file_menu_cmd (void) {
2156 user_menu_cmd (NULL);
2157 }
2158
2159 static int
2160 panel_callback (WPanel *panel, int msg, int par)
2161 {
2162 Dlg_head *h = panel->widget.parent;
2163
2164 switch (msg){
2165 case WIDGET_INIT:
2166 return 1;
2167
2168 case WIDGET_DRAW:
2169 paint_panel (panel);
2170 break;
2171
2172 case WIDGET_FOCUS:
2173 current_panel = panel;
2174 panel->active = 1;
2175 if (mc_chdir (panel->cwd) != 0) {
2176 message (1, MSG_ERROR, _(" Cannot chdir to \"%s\" \n %s "),
2177 panel->cwd, unix_error_string (errno));
2178 } else
2179 subshell_chdir (panel->cwd);
2180
2181 update_xterm_title_path ();
2182 show_dir (panel);
2183 select_item (panel);
2184
2185 define_label (h, 1, _("Help"), help_cmd);
2186 define_label (h, 2, _("Menu"), user_file_menu_cmd);
2187 define_label (h, 3, _("View"), view_cmd);
2188 define_label (h, 4, _("Edit"), edit_cmd);
2189 define_label (h, 5, _("Copy"), copy_cmd);
2190 define_label (h, 6, _("RenMov"), ren_cmd);
2191 define_label (h, 7, _("Mkdir"), mkdir_cmd);
2192 define_label (h, 8, _("Delete"), delete_cmd);
2193 redraw_labels (h);
2194
2195 /* Chain behaviour */
2196 default_proc (WIDGET_FOCUS, par);
2197 return 1;
2198
2199 case WIDGET_UNFOCUS:
2200 /* Janne: look at this for the multiple panel options */
2201 if (panel->searching){
2202 panel->searching = 0;
2203 display_mini_info (panel);
2204 }
2205 panel->active = 0;
2206 show_dir (panel);
2207 unselect_item (panel);
2208 return 1;
2209
2210 case WIDGET_KEY:
2211 return panel_key (panel, par);
2212 break;
2213 }
2214 return default_proc (msg, par);
2215 }
2216
2217 void
2218 file_mark (WPanel *panel, int index, int val)
2219 {
2220 panel->dir.list [index].f.marked = val;
2221 }
2222
2223 /* */
2224 /* Panel mouse events support routines */
2225 /* */
2226 static int mouse_marking = 0;
2227
2228 static void
2229 mouse_toggle_mark (WPanel *panel)
2230 {
2231 do_mark_file (panel, 0);
2232 mouse_marking = selection (panel)->f.marked;
2233 }
2234
2235 static void
2236 mouse_set_mark (WPanel *panel)
2237 {
2238 if (mouse_marking && !(selection (panel)->f.marked))
2239 do_mark_file (panel, 0);
2240 else if (!mouse_marking && (selection (panel)->f.marked))
2241 do_mark_file (panel, 0);
2242 }
2243
2244 static inline int
2245 mark_if_marking (WPanel *panel, Gpm_Event *event)
2246 {
2247 if (event->buttons & GPM_B_RIGHT){
2248 if (event->type & GPM_DOWN)
2249 mouse_toggle_mark (panel);
2250 else
2251 mouse_set_mark (panel);
2252 return 1;
2253 }
2254 return 0;
2255 }
2256
2257 static int
2258 panel_event (Gpm_Event *event, WPanel *panel)
2259 {
2260 const int lines = llines (panel);
2261
2262 int my_index;
2263
2264 /* Mouse wheel events */
2265 if ((event->buttons & GPM_B_UP) && (event->type & GPM_DOWN)) {
2266 prev_page (panel);
2267 return MOU_NORMAL;
2268 }
2269 if ((event->buttons & GPM_B_DOWN) && (event->type & GPM_DOWN)) {
2270 next_page (panel);
2271 return MOU_NORMAL;
2272 }
2273
2274 /* "<" button */
2275 if (event->type & GPM_DOWN && event->x == 1 + 1 && event->y == 0 + 1) {
2276 directory_history_prev (panel);
2277 return MOU_NORMAL;
2278 }
2279
2280 /* ">" button */
2281 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 2 + 1 && event->y == 0 + 1) {
2282 directory_history_next (panel);
2283 return MOU_NORMAL;
2284 }
2285
2286 /* "v" button */
2287 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 3 + 1 && event->y == 0 + 1) {
2288 directory_history_list (panel);
2289 return MOU_NORMAL;
2290 }
2291
2292 event->y -= 2;
2293 if ((event->type & (GPM_DOWN|GPM_DRAG))){
2294
2295 if (panel != (WPanel *) current_dlg->current->widget)
2296 change_panel ();
2297
2298 if (event->y <= 0){
2299 mark_if_marking (panel, event);
2300 if (mouse_move_pages)
2301 prev_page (panel);
2302 else
2303 move_up (panel);
2304 return MOU_REPEAT;
2305 }
2306
2307 if (!((panel->top_file + event->y <= panel->count) &&
2308 event->y <= lines)){
2309 mark_if_marking (panel, event);
2310 if (mouse_move_pages)
2311 next_page (panel);
2312 else
2313 move_down (panel);
2314 return MOU_REPEAT;
2315 }
2316 my_index = panel->top_file + event->y - 1;
2317 if (panel->split){
2318 if (event->x > ((panel->widget.cols-2)/2))
2319 my_index += llines (panel);
2320 }
2321
2322 if (my_index >= panel->count)
2323 my_index = panel->count - 1;
2324
2325 if (my_index != panel->selected){
2326 unselect_item (panel);
2327 panel->selected = my_index;
2328 select_item (panel);
2329 }
2330
2331 /* This one is new */
2332 mark_if_marking (panel, event);
2333
2334 } else if ((event->type & (GPM_UP|GPM_DOUBLE)) == (GPM_UP|GPM_DOUBLE)){
2335 if (event->y > 0 && event->y <= lines)
2336 do_enter (panel);
2337 }
2338 return MOU_NORMAL;
2339 }
2340
2341 void
2342 panel_re_sort (WPanel *panel)
2343 {
2344 char *filename;
2345 int i;
2346
2347 if (panel == NULL)
2348 return;
2349
2350 filename = g_strdup (selection (panel)->fname);
2351 unselect_item (panel);
2352 do_sort (&panel->dir, panel->sort_type, panel->count-1, panel->reverse, panel->case_sensitive);
2353 panel->selected = -1;
2354 for (i = panel->count; i; i--){
2355 if (!strcmp (panel->dir.list [i-1].fname, filename)){
2356 panel->selected = i-1;
2357 break;
2358 }
2359 }
2360 g_free (filename);
2361 panel->top_file = panel->selected - ITEMS (panel)/2;
2362 if (panel->top_file < 0)
2363 panel->top_file = 0;
2364 select_item (panel);
2365 panel_update_contents (panel);
2366 }
2367
2368 void
2369 panel_set_sort_order (WPanel *panel, sortfn *sort_order)
2370 {
2371 if (sort_order == 0)
2372 return;
2373
2374 panel->sort_type = sort_order;
2375
2376 /* The directory is already sorted, we have to load the unsorted stuff */
2377 if (sort_order == (sortfn *) unsorted){
2378 char *current_file;
2379
2380 current_file = g_strdup (panel->dir.list [panel->selected].fname);
2381 panel_reload (panel);
2382 try_to_select (panel, current_file);
2383 g_free (current_file);
2384 }
2385 panel_re_sort (panel);
2386 }
Midnight Commander