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mandriva: Srpm support for extfs
[midnight-commander.git] / src / screen.c
blob61c00aa315abc774cf3ef206015629b7e2b9047e
1 /* Panel managing.
2 Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 Written by: 1995 Miguel de Icaza
16 1997, 1999 Timur Bakeyev
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
21
22 #include <config.h>
23
24 #include <errno.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <unistd.h>
29
30 #include "global.h"
31 #include "tty.h"
32 #include "dir.h"
33 #include "panel.h"
34 #include "color.h"
35 #include "tree.h"
36 #include "win.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 "execute.h"
47 #include "widget.h"
48 #include "menu.h" /* menubar_visible */
49 #include "main-widgets.h"
50 #include "main.h" /* the_menubar */
51 #include "unixcompat.h"
52 #include "mountlist.h" /* my_statfs */
53
54 #define ELEMENTS(arr) ( sizeof(arr) / sizeof((arr)[0]) )
55
56 #define J_LEFT 1
57 #define J_RIGHT 2
58 #define J_CENTER 3
59
60 #define IS_FIT(x) ((x) & 0x0004)
61 #define MAKE_FIT(x) ((x) | 0x0004)
62 #define HIDE_FIT(x) ((x) & 0x0003)
63
64 #define J_LEFT_FIT 5
65 #define J_RIGHT_FIT 6
66 #define J_CENTER_FIT 7
67
68 #define NORMAL 0
69 #define SELECTED 1
70 #define MARKED 2
71 #define MARKED_SELECTED 3
72 #define STATUS 5
73
74 /*
75 * This describes a format item. The parse_display_format routine parses
76 * the user specified format and creates a linked list of format_e structures.
77 */
78 typedef struct format_e {
79 struct format_e *next;
80 int requested_field_len;
81 int field_len;
82 int just_mode;
83 int expand;
84 const char *(*string_fn)(file_entry *, int len);
85 const char *title;
86 const char *id;
87 } format_e;
88
89 /* If true, show the mini-info on the panel */
90 int show_mini_info = 1;
91
92 /* If true, then use stat() on the cwd to determine directory changes */
93 int fast_reload = 0;
94
95 /* If true, use some usability hacks by Torben */
96 int torben_fj_mode = 0;
97
98 /* If true, up/down keys scroll the pane listing by pages */
99 int panel_scroll_pages = 1;
100
101 /* If 1, we use permission hilighting */
102 int permission_mode = 0;
103
104 /* If 1 - then add per file type hilighting */
105 int filetype_mode = 1;
106
107 /* The hook list for the select file function */
108 Hook *select_file_hook = 0;
109
110 static cb_ret_t panel_callback (Widget *, widget_msg_t msg, int parm);
111 static int panel_event (Gpm_Event *event, void *);
112 static void paint_frame (WPanel *panel);
113 static const char *panel_format (WPanel *panel);
114 static const char *mini_status_format (WPanel *panel);
115
116 /* This macro extracts the number of available lines in a panel */
117 #define llines(p) (p->widget.lines-3 - (show_mini_info ? 2 : 0))
118
119 static void
120 set_colors (WPanel *panel)
121 {
122 standend ();
123 attrset (NORMAL_COLOR);
124 }
125
126 /* Delete format string, it is a linked list */
127 static void
128 delete_format (format_e *format)
129 {
130 format_e *next;
131
132 while (format){
133 next = format->next;
134 g_free (format);
135 format = next;
136 }
137 }
138
139 /* This code relies on the default justification!!! */
140 static void
141 add_permission_string (char *dest, int width, file_entry *fe, int attr, int color, int is_octal)
142 {
143 int i, r, l;
144
145 l = get_user_permissions (&fe->st);
146
147 if (is_octal){
148 /* Place of the access bit in octal mode */
149 l = width + l - 3;
150 r = l + 1;
151 } else {
152 /* The same to the triplet in string mode */
153 l = l * 3 + 1;
154 r = l + 3;
155 }
156
157 for(i = 0; i < width; i++){
158 if (i >= l && i < r){
159 if (attr == SELECTED || attr == MARKED_SELECTED)
160 attrset (MARKED_SELECTED_COLOR);
161 else
162 attrset (MARKED_COLOR);
163 } else
164 attrset (color);
165
166 addch (dest[i]);
167 }
168 }
169
170 /* String representations of various file attributes */
171 /* name */
172 static const char *
173 string_file_name (file_entry *fe, int len)
174 {
175 static char buffer [MC_MAXPATHLEN + 1];
176 size_t i;
177
178 for (i = 0; i < sizeof(buffer) - 1; i++) {
179 char c;
180
181 c = fe->fname[i];
182
183 if (!c)
184 break;
185
186 if (!is_printable(c))
187 c = '?';
188
189 buffer[i] = c;
190 }
191
192 buffer[i] = 0;
193 return buffer;
194 }
195
196 static inline unsigned int ilog10(dev_t n)
197 {
198 unsigned int digits = 0;
199 do {
200 digits++, n /= 10;
201 } while (n != 0);
202 return digits;
203 }
204
205 static void format_device_number (char *buf, size_t bufsize, dev_t dev)
206 {
207 dev_t major_dev = major(dev);
208 dev_t minor_dev = minor(dev);
209 unsigned int major_digits = ilog10(major_dev);
210 unsigned int minor_digits = ilog10(minor_dev);
211
212 g_assert(bufsize >= 1);
213 if (major_digits + 1 + minor_digits + 1 <= bufsize) {
214 g_snprintf(buf, bufsize, "%lu,%lu", (unsigned long) major_dev,
215 (unsigned long) minor_dev);
216 } else {
217 g_strlcpy(buf, _("[dev]"), bufsize);
218 }
219 }
220
221 /* size */
222 static const char *
223 string_file_size (file_entry *fe, int len)
224 {
225 static char buffer [BUF_TINY];
226
227 /* Don't ever show size of ".." since we don't calculate it */
228 if (!strcmp (fe->fname, "..")) {
229 return _("UP--DIR");
230 }
231
232 #ifdef HAVE_STRUCT_STAT_ST_RDEV
233 if (S_ISBLK (fe->st.st_mode) || S_ISCHR (fe->st.st_mode))
234 format_device_number (buffer, len + 1, fe->st.st_rdev);
235 else
236 #endif
237 {
238 size_trunc_len (buffer, len, fe->st.st_size, 0);
239 }
240 return buffer;
241 }
242
243 /* bsize */
244 static const char *
245 string_file_size_brief (file_entry *fe, int len)
246 {
247 if (S_ISLNK (fe->st.st_mode) && !fe->f.link_to_dir) {
248 return _("SYMLINK");
249 }
250
251 if ((S_ISDIR (fe->st.st_mode) || fe->f.link_to_dir) && strcmp (fe->fname, "..")) {
252 return _("SUB-DIR");
253 }
254
255 return string_file_size (fe, len);
256 }
257
258 /* This functions return a string representation of a file entry */
259 /* type */
260 static const char *
261 string_file_type (file_entry *fe, int len)
262 {
263 static char buffer[2];
264
265 if (S_ISDIR (fe->st.st_mode))
266 buffer[0] = PATH_SEP;
267 else if (S_ISLNK (fe->st.st_mode)) {
268 if (fe->f.link_to_dir)
269 buffer[0] = '~';
270 else if (fe->f.stale_link)
271 buffer[0] = '!';
272 else
273 buffer[0] = '@';
274 } else if (S_ISCHR (fe->st.st_mode))
275 buffer[0] = '-';
276 else if (S_ISSOCK (fe->st.st_mode))
277 buffer[0] = '=';
278 else if (S_ISDOOR (fe->st.st_mode))
279 buffer[0] = '>';
280 else if (S_ISBLK (fe->st.st_mode))
281 buffer[0] = '+';
282 else if (S_ISFIFO (fe->st.st_mode))
283 buffer[0] = '|';
284 else if (S_ISNAM (fe->st.st_mode))
285 buffer[0] = '#';
286 else if (!S_ISREG (fe->st.st_mode))
287 buffer[0] = '?'; /* non-regular of unknown kind */
288 else if (is_exe (fe->st.st_mode))
289 buffer[0] = '*';
290 else
291 buffer[0] = ' ';
292 buffer[1] = '\0';
293 return buffer;
294 }
295
296 /* mtime */
297 static const char *
298 string_file_mtime (file_entry *fe, int len)
299 {
300 if (!strcmp (fe->fname, "..")) {
301 return "";
302 }
303 return file_date (fe->st.st_mtime);
304 }
305
306 /* atime */
307 static const char *
308 string_file_atime (file_entry *fe, int len)
309 {
310 if (!strcmp (fe->fname, "..")) {
311 return "";
312 }
313 return file_date (fe->st.st_atime);
314 }
315
316 /* ctime */
317 static const char *
318 string_file_ctime (file_entry *fe, int len)
319 {
320 if (!strcmp (fe->fname, "..")) {
321 return "";
322 }
323 return file_date (fe->st.st_ctime);
324 }
325
326 /* perm */
327 static const char *
328 string_file_permission (file_entry *fe, int len)
329 {
330 return string_perm (fe->st.st_mode);
331 }
332
333 /* mode */
334 static const char *
335 string_file_perm_octal (file_entry *fe, int len)
336 {
337 static char buffer [10];
338
339 g_snprintf (buffer, sizeof (buffer), "0%06lo", (unsigned long) fe->st.st_mode);
340 return buffer;
341 }
342
343 /* nlink */
344 static const char *
345 string_file_nlinks (file_entry *fe, int len)
346 {
347 static char buffer[BUF_TINY];
348
349 g_snprintf (buffer, sizeof (buffer), "%16d", (int) fe->st.st_nlink);
350 return buffer;
351 }
352
353 /* inode */
354 static const char *
355 string_inode (file_entry *fe, int len)
356 {
357 static char buffer [10];
358
359 g_snprintf (buffer, sizeof (buffer), "%lu",
360 (unsigned long) fe->st.st_ino);
361 return buffer;
362 }
363
364 /* nuid */
365 static const char *
366 string_file_nuid (file_entry *fe, int len)
367 {
368 static char buffer [10];
369
370 g_snprintf (buffer, sizeof (buffer), "%lu",
371 (unsigned long) fe->st.st_uid);
372 return buffer;
373 }
374
375 /* ngid */
376 static const char *
377 string_file_ngid (file_entry *fe, int len)
378 {
379 static char buffer [10];
380
381 g_snprintf (buffer, sizeof (buffer), "%lu",
382 (unsigned long) fe->st.st_gid);
383 return buffer;
384 }
385
386 /* owner */
387 static const char *
388 string_file_owner (file_entry *fe, int len)
389 {
390 return get_owner (fe->st.st_uid);
391 }
392
393 /* group */
394 static const char *
395 string_file_group (file_entry *fe, int len)
396 {
397 return get_group (fe->st.st_gid);
398 }
399
400 /* mark */
401 static const char *
402 string_marked (file_entry *fe, int len)
403 {
404 return fe->f.marked ? "*" : " ";
405 }
406
407 /* space */
408 static const char *
409 string_space (file_entry *fe, int len)
410 {
411 return " ";
412 }
413
414 /* dot */
415 static const char *
416 string_dot (file_entry *fe, int len)
417 {
418 return ".";
419 }
420
421 #define GT 1
422
423 static struct {
424 const char *id;
425 int min_size;
426 int expands;
427 int default_just;
428 const char *title;
429 int use_in_gui;
430 const char *(*string_fn)(file_entry *, int);
431 sortfn *sort_routine; /* This field is currently unused. */
432 } formats [] = {
433 { "name", 12, 1, J_LEFT_FIT, N_("Name"), 1, string_file_name, (sortfn *) sort_name },
434 { "size", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size, (sortfn *) sort_size },
435 { "bsize", 7, 0, J_RIGHT, N_("Size"), 1, string_file_size_brief, (sortfn *) sort_size },
436 { "type", GT, 0, J_LEFT, "", 2, string_file_type, NULL },
437 { "mtime", 12, 0, J_RIGHT, N_("MTime"), 1, string_file_mtime, (sortfn *) sort_time },
438 { "atime", 12, 0, J_RIGHT, N_("ATime"), 1, string_file_atime, (sortfn *) sort_atime },
439 { "ctime", 12, 0, J_RIGHT, N_("CTime"), 1, string_file_ctime, (sortfn *) sort_ctime },
440 { "perm", 10, 0, J_LEFT, N_("Permission"),1,string_file_permission, NULL },
441 { "mode", 6, 0, J_RIGHT, N_("Perm"), 1, string_file_perm_octal, NULL },
442 { "nlink", 2, 0, J_RIGHT, N_("Nl"), 1, string_file_nlinks, NULL },
443 { "inode", 5, 0, J_RIGHT, N_("Inode"), 1, string_inode, (sortfn *) sort_inode },
444 { "nuid", 5, 0, J_RIGHT, N_("UID"), 1, string_file_nuid, NULL },
445 { "ngid", 5, 0, J_RIGHT, N_("GID"), 1, string_file_ngid, NULL },
446 { "owner", 8, 0, J_LEFT_FIT, N_("Owner"), 1, string_file_owner, NULL },
447 { "group", 8, 0, J_LEFT_FIT, N_("Group"), 1, string_file_group, NULL },
448 { "mark", 1, 0, J_RIGHT, " ", 1, string_marked, NULL },
449 { "|", 1, 0, J_RIGHT, " ", 0, NULL, NULL },
450 { "space", 1, 0, J_RIGHT, " ", 0, string_space, NULL },
451 { "dot", 1, 0, J_RIGHT, " ", 0, string_dot, NULL },
452 };
453
454 static char *
455 to_buffer (char *dest, int just_mode, int len, const char *txt)
456 {
457 int txtlen = strlen (txt);
458 int still, over;
459
460 /* Fill buffer with spaces */
461 memset (dest, ' ', len);
462
463 still = (over=(txtlen > len)) ? (txtlen - len) : (len - txtlen);
464
465 switch (HIDE_FIT(just_mode)){
466 case J_LEFT:
467 still = 0;
468 break;
469 case J_CENTER:
470 still /= 2;
471 break;
472 case J_RIGHT:
473 default:
474 break;
475 }
476
477 if (over){
478 if (IS_FIT(just_mode))
479 strcpy (dest, name_trunc(txt, len));
480 else
481 strncpy (dest, txt+still, len);
482 } else
483 strncpy (dest+still, txt, txtlen);
484
485 dest[len] = '\0';
486
487 return (dest + len);
488 }
489
490 static int
491 file_compute_color (int attr, file_entry *fe)
492 {
493 switch (attr) {
494 case SELECTED:
495 return (SELECTED_COLOR);
496 case MARKED:
497 return (MARKED_COLOR);
498 case MARKED_SELECTED:
499 return (MARKED_SELECTED_COLOR);
500 case STATUS:
501 return (NORMAL_COLOR);
502 case NORMAL:
503 default:
504 if (!filetype_mode)
505 return (NORMAL_COLOR);
506 }
507
508 /* if filetype_mode == true */
509 if (S_ISDIR (fe->st.st_mode))
510 return (DIRECTORY_COLOR);
511 else if (S_ISLNK (fe->st.st_mode)) {
512 if (fe->f.link_to_dir)
513 return (DIRECTORY_COLOR);
514 else if (fe->f.stale_link)
515 return (STALE_LINK_COLOR);
516 else
517 return (LINK_COLOR);
518 } else if (S_ISSOCK (fe->st.st_mode))
519 return (SPECIAL_COLOR);
520 else if (S_ISCHR (fe->st.st_mode))
521 return (DEVICE_COLOR);
522 else if (S_ISBLK (fe->st.st_mode))
523 return (DEVICE_COLOR);
524 else if (S_ISNAM (fe->st.st_mode))
525 return (DEVICE_COLOR);
526 else if (S_ISFIFO (fe->st.st_mode))
527 return (SPECIAL_COLOR);
528 else if (S_ISDOOR (fe->st.st_mode))
529 return (SPECIAL_COLOR);
530 else if (!S_ISREG (fe->st.st_mode))
531 return (STALE_LINK_COLOR); /* non-regular file of unknown kind */
532 else if (is_exe (fe->st.st_mode))
533 return (EXECUTABLE_COLOR);
534 else if (fe->fname && (!strcmp (fe->fname, "core")
535 || !strcmp (extension (fe->fname), "core")))
536 return (CORE_COLOR);
537
538 return (NORMAL_COLOR);
539 }
540
541 /* Formats the file number file_index of panel in the buffer dest */
542 static void
543 format_file (char *dest, int limit, WPanel *panel, int file_index, int width, int attr, int isstatus)
544 {
545 int color, length, empty_line;
546 const char *txt;
547 char *old_pos;
548 char *cdest = dest;
549 format_e *format, *home;
550 file_entry *fe;
551
552 length = 0;
553 empty_line = (file_index >= panel->count);
554 home = (isstatus) ? panel->status_format : panel->format;
555 fe = &panel->dir.list [file_index];
556
557 if (!empty_line)
558 color = file_compute_color (attr, fe);
559 else
560 color = NORMAL_COLOR;
561
562 for (format = home; format; format = format->next){
563
564 if (length == width)
565 break;
566
567 if (format->string_fn){
568 int len;
569
570 if (empty_line)
571 txt = " ";
572 else
573 txt = (*format->string_fn)(fe, format->field_len);
574
575 old_pos = cdest;
576
577 len = format->field_len;
578 if (len + length > width)
579 len = width - length;
580 if (len + (cdest - dest) > limit)
581 len = limit - (cdest - dest);
582 if (len <= 0)
583 break;
584 cdest = to_buffer (cdest, format->just_mode, len, txt);
585 length += len;
586
587 attrset (color);
588
589 if (permission_mode && !strcmp(format->id, "perm"))
590 add_permission_string (old_pos, format->field_len, fe, attr, color, 0);
591 else if (permission_mode && !strcmp(format->id, "mode"))
592 add_permission_string (old_pos, format->field_len, fe, attr, color, 1);
593 else
594 addstr (old_pos);
595
596 } else {
597 if (attr == SELECTED || attr == MARKED_SELECTED)
598 attrset (SELECTED_COLOR);
599 else
600 attrset (NORMAL_COLOR);
601 one_vline ();
602 length++;
603 }
604 }
605
606 if (length < width){
607 int still = width - length;
608 while (still--)
609 addch (' ');
610 }
611 }
612
613 static void
614 repaint_file (WPanel *panel, int file_index, int mv, int attr, int isstatus)
615 {
616 int second_column = 0;
617 int width, offset;
618 char buffer [BUF_MEDIUM];
619
620 offset = 0;
621 if (!isstatus && panel->split){
622
623 second_column = (file_index - panel->top_file) / llines (panel);
624 width = (panel->widget.cols - 2)/2 - 1;
625
626 if (second_column){
627 offset = 1 + width;
628 width = (panel->widget.cols-2) - (panel->widget.cols-2)/2 - 1;
629 }
630 } else
631 width = (panel->widget.cols - 2);
632
633 /* Nothing to paint */
634 if (width <= 0)
635 return;
636
637 if (mv){
638 if (!isstatus && panel->split){
639 widget_move (&panel->widget,
640 (file_index - panel->top_file) %
641 llines (panel) + 2,
642 (offset + 1));
643 } else
644 widget_move (&panel->widget, file_index - panel->top_file + 2, 1);
645 }
646
647 format_file (buffer, sizeof(buffer), panel, file_index, width, attr, isstatus);
648
649 if (!isstatus && panel->split){
650 if (second_column)
651 addch (' ');
652 else {
653 attrset (NORMAL_COLOR);
654 one_vline ();
655 }
656 }
657 }
658
659 static void
660 display_mini_info (WPanel *panel)
661 {
662 widget_move (&panel->widget, llines (panel)+3, 1);
663
664 if (panel->searching){
665 attrset (INPUT_COLOR);
666 tty_printf ("/%-*s", panel->widget.cols-3, panel->search_buffer);
667 attrset (NORMAL_COLOR);
668 return;
669 }
670
671 /* Status resolves links and show them */
672 set_colors (panel);
673
674 if (S_ISLNK (panel->dir.list [panel->selected].st.st_mode)){
675 char *link, link_target [MC_MAXPATHLEN];
676 int len;
677
678 link = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
679 len = mc_readlink (link, link_target, MC_MAXPATHLEN - 1);
680 g_free (link);
681 if (len > 0){
682 link_target[len] = 0;
683 tty_printf ("-> %-*s", panel->widget.cols - 5,
684 name_trunc (link_target, panel->widget.cols - 5));
685 } else
686 tty_printf ("%-*s", panel->widget.cols - 2, _("<readlink failed>"));
687 } else
688 /* Default behavior */
689 repaint_file (panel, panel->selected, 0, STATUS, 1);
690 }
691
692 static void
693 paint_dir (WPanel *panel)
694 {
695 int i;
696 int color; /* Color value of the line */
697 int items; /* Number of items */
698
699 items = llines (panel) * (panel->split ? 2 : 1);
700
701 for (i = 0; i < items; i++){
702 if (i+panel->top_file >= panel->count)
703 color = 0;
704 else {
705 color = 2 * (panel->dir.list [i+panel->top_file].f.marked);
706 color += (panel->selected==i+panel->top_file && panel->active);
707 }
708 repaint_file (panel, i+panel->top_file, 1, color, 0);
709 }
710 standend ();
711 }
712
713 static void
714 dispaly_total_marked_size (WPanel *panel, int y, int x, gboolean size_only)
715 {
716 char buffer[BUF_SMALL], b_bytes[BUF_SMALL], *buf;
717 int cols;
718 size_t blen;
719
720 if (panel->marked <= 0)
721 return;
722
723 buf = size_only ? b_bytes : buffer;
724 cols = panel->widget.cols - 2;
725
726 /*
727 * This is a trick to use two ngettext() calls in one sentence.
728 * First make "N bytes", then insert it into "X in M files".
729 */
730 g_snprintf (b_bytes, sizeof (b_bytes),
731 ngettext("%s byte", "%s bytes", (unsigned long) panel->total),
732 size_trunc_sep (panel->total));
733 if (!size_only)
734 g_snprintf (buffer, sizeof (buffer),
735 ngettext("%s in %d file", "%s in %d files", panel->marked),
736 b_bytes, panel->marked);
737
738 blen = strlen (buf);
739
740 /* don't forget spaces around buffer content */
741 if ((int) blen > cols - 2) {
742 buf[cols - 2] = '\0';
743 blen = (size_t) (cols - 2);
744 }
745
746 if (x < 0)
747 /* center in panel */
748 x = (panel->widget.cols - (int) blen) / 2 - 1;
749
750 /*
751 * y == llines (panel) + 2 for mini_info_separator
752 * y == panel->widget.lines - 1 for panel bottom frame
753 */
754 widget_move (&panel->widget, y, x);
755 attrset (MARKED_COLOR);
756 tty_printf (" %s ", buf);
757 }
758
759 static void
760 mini_info_separator (WPanel *panel)
761 {
762 const int y = llines (panel) + 2;
763
764 standend ();
765 widget_move (&panel->widget, y, 1);
766 attrset (NORMAL_COLOR);
767 #ifdef HAVE_SLANG
768 hline (ACS_HLINE, panel->widget.cols - 2);
769 #else
770 hline ((slow_terminal ? '-' : ACS_HLINE) | NORMAL_COLOR,
771 panel->widget.cols - 2);
772 #endif /* !HAVE_SLANG */
773
774 /* Status displays total marked size.
775 * Centered in panel, full format. */
776 dispaly_total_marked_size (panel, y, -1, FALSE);
777 }
778
779 static void
780 show_free_space (WPanel *panel)
781 {
782 /* Used to figure out how many free space we have */
783 static struct my_statfs myfs_stats;
784 /* Old current working directory for displaying free space */
785 static char *old_cwd = NULL;
786
787 /* Don't try to stat non-local fs */
788 if (!vfs_file_is_local (panel->cwd) || !free_space)
789 return;
790
791 if (old_cwd == NULL || strcmp (old_cwd, panel->cwd) != 0) {
792 char rpath[PATH_MAX];
793
794 init_my_statfs ();
795 g_free (old_cwd);
796 old_cwd = g_strdup (panel->cwd);
797
798 if (mc_realpath (panel->cwd, rpath) == NULL)
799 return;
800
801 my_statfs (&myfs_stats, rpath);
802 }
803
804 if (myfs_stats.avail > 0 || myfs_stats.total > 0) {
805 char buffer1[6], buffer2[6], tmp[BUF_SMALL];
806 size_trunc_len (buffer1, sizeof(buffer1) - 1, myfs_stats.avail, 1);
807 size_trunc_len (buffer2, sizeof(buffer2) - 1, myfs_stats.total, 1);
808 g_snprintf (tmp, sizeof(tmp), " %s/%s (%d%%) ", buffer1, buffer2,
809 myfs_stats.total > 0 ?
810 (int)(100 * (double)myfs_stats.avail / myfs_stats.total) : 0);
811 widget_move (&panel->widget, panel->widget.lines - 1,
812 panel->widget.cols - 2 - (int) strlen (tmp));
813 attrset (NORMAL_COLOR);
814 addstr (tmp);
815 }
816 }
817
818 static void
819 show_dir (WPanel *panel)
820 {
821 char *tmp;
822
823 set_colors (panel);
824 draw_double_box (panel->widget.parent,
825 panel->widget.y, panel->widget.x,
826 panel->widget.lines, panel->widget.cols);
827
828 #ifdef HAVE_SLANG
829 if (show_mini_info) {
830 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
831 panel->widget.x, SLSMG_LTEE_CHAR);
832 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
833 panel->widget.x + panel->widget.cols - 1,
834 SLSMG_RTEE_CHAR);
835 }
836 #endif /* HAVE_SLANG */
837
838 if (panel->active)
839 attrset (REVERSE_COLOR);
840
841 widget_move (&panel->widget, 0, 3);
842 addch (' ');
843
844 tmp = g_malloc (panel->widget.cols + 1);
845 tmp[panel->widget.cols] = '\0';
846
847 trim (strip_home_and_password (panel->cwd), tmp,
848 max (panel->widget.cols - 9, 0));
849 addstr (tmp);
850 g_free (tmp);
851
852 addch (' ');
853 widget_move (&panel->widget, 0, 1);
854 addstr ("<");
855 widget_move (&panel->widget, 0, panel->widget.cols - 2);
856 addstr (">");
857 widget_move (&panel->widget, 0, panel->widget.cols - 3);
858 addstr ("v");
859
860 if (!show_mini_info) {
861 if (panel->marked == 0) {
862 /* Show size of curret file in the bottom of panel */
863 if (S_ISREG (panel->dir.list [panel->selected].st.st_mode)) {
864 char buffer[BUF_SMALL];
865
866 g_snprintf (buffer, sizeof (buffer), " %s ",
867 size_trunc_sep (panel->dir.list [panel->selected].st.st_size));
868 attrset (NORMAL_COLOR);
869 widget_move (&panel->widget, panel->widget.lines - 1, 2);
870 addstr (buffer);
871 }
872 } else {
873 /* Show total size of marked files
874 * In the bottom of panel, display size only. */
875 dispaly_total_marked_size (panel, panel->widget.lines - 1, 2, TRUE);
876 }
877 }
878
879 show_free_space (panel);
880
881 if (panel->active)
882 standend ();
883 }
884
885 /* To be used only by long_frame and full_frame to adjust top_file */
886 static void
887 adjust_top_file (WPanel *panel)
888 {
889 int old_top = panel->top_file;
890
891 if (panel->selected - old_top > llines (panel))
892 panel->top_file = panel->selected;
893 if (old_top - panel->count > llines (panel))
894 panel->top_file = panel->count - llines (panel);
895 }
896
897 /* Repaint everything, including frame and separator */
898 static void
899 paint_panel (WPanel *panel)
900 {
901 paint_frame (panel); /* including show_dir */
902 paint_dir (panel);
903
904 if (show_mini_info) {
905 mini_info_separator (panel);
906 display_mini_info (panel);
907 }
908
909 panel->dirty = 0;
910 }
911
912 /*
913 * Repaint the contents of the panels without frames. To schedule panel
914 * for repainting, set panel->dirty to 1. There are many reasons why
915 * the panels need to be repainted, and this is a costly operation, so
916 * it's done once per event.
917 */
918 void
919 update_dirty_panels (void)
920 {
921 if (current_panel->dirty)
922 paint_panel (current_panel);
923
924 if ((get_other_type () == view_listing) && other_panel->dirty)
925 paint_panel (other_panel);
926 }
927
928 static void
929 do_select (WPanel *panel, int i)
930 {
931 if (i != panel->selected) {
932 panel->dirty = 1;
933 panel->selected = i;
934 panel->top_file = panel->selected - (panel->widget.lines - 2) / 2;
935 if (panel->top_file < 0)
936 panel->top_file = 0;
937 }
938 }
939
940 static inline void
941 do_try_to_select (WPanel *panel, const char *name)
942 {
943 int i;
944 char *subdir;
945
946 if (!name) {
947 do_select(panel, 0);
948 return;
949 }
950
951 /* We only want the last component of the directory,
952 * and from this only the name without suffix. */
953 subdir = vfs_strip_suffix_from_filename (x_basename(name));
954
955 /* Search that subdirectory, if found select it */
956 for (i = 0; i < panel->count; i++){
957 if (strcmp (subdir, panel->dir.list [i].fname) == 0) {
958 do_select (panel, i);
959 g_free (subdir);
960 return;
961 }
962 }
963
964 /* Try to select a file near the file that is missing */
965 if (panel->selected >= panel->count)
966 do_select (panel, panel->count-1);
967 g_free (subdir);
968 }
969
970 void
971 try_to_select (WPanel *panel, const char *name)
972 {
973 do_try_to_select (panel, name);
974 select_item (panel);
975 }
976
977 void
978 panel_update_cols (Widget *widget, int frame_size)
979 {
980 int cols, origin;
981
982 if (horizontal_split){
983 widget->cols = COLS;
984 return;
985 }
986
987 if (frame_size == frame_full){
988 cols = COLS;
989 origin = 0;
990 } else {
991 if (widget == get_panel_widget (0)){
992 cols = first_panel_size;
993 origin = 0;
994 } else {
995 cols = COLS-first_panel_size;
996 origin = first_panel_size;
997 }
998 }
999
1000 widget->cols = cols;
1001 widget->x = origin;
1002 }
1003
1004 static char *
1005 panel_save_name (WPanel *panel)
1006 {
1007 extern int saving_setup;
1008
1009 /* If the program is shuting down */
1010 if ((midnight_shutdown && auto_save_setup) || saving_setup)
1011 return g_strdup (panel->panel_name);
1012 else
1013 return g_strconcat ("Temporal:", panel->panel_name, (char *) NULL);
1014 }
1015
1016 static void
1017 panel_destroy (WPanel *p)
1018 {
1019 int i;
1020
1021 char *name = panel_save_name (p);
1022
1023 panel_save_setup (p, name);
1024 panel_clean_dir (p);
1025
1026 /* save and clean history */
1027 if (p->dir_history) {
1028 history_put (p->hist_name, p->dir_history);
1029
1030 p->dir_history = g_list_first (p->dir_history);
1031 g_list_foreach (p->dir_history, (GFunc) g_free, NULL);
1032 g_list_free (p->dir_history);
1033 }
1034
1035 g_free (p->hist_name);
1036
1037 delete_format (p->format);
1038 delete_format (p->status_format);
1039
1040 g_free (p->user_format);
1041 for (i = 0; i < LIST_TYPES; i++)
1042 g_free (p->user_status_format[i]);
1043 g_free (p->dir.list);
1044 g_free (p->panel_name);
1045 g_free (name);
1046 }
1047
1048 static void
1049 panel_format_modified (WPanel *panel)
1050 {
1051 panel->format_modified = 1;
1052 }
1053
1054 /* Panel creation */
1055 /* The parameter specifies the name of the panel for setup retieving */
1056 WPanel *
1057 panel_new (const char *panel_name)
1058 {
1059 WPanel *panel;
1060 char *section;
1061 int i, err;
1062
1063 panel = g_new0 (WPanel, 1);
1064
1065 /* No know sizes of the panel at startup */
1066 init_widget (&panel->widget, 0, 0, 0, 0, panel_callback, panel_event);
1067
1068 /* We do not want the cursor */
1069 widget_want_cursor (panel->widget, 0);
1070
1071 mc_get_current_wd (panel->cwd, sizeof (panel->cwd) - 2);
1072 strcpy (panel->lwd, ".");
1073
1074 panel->hist_name = g_strconcat ("Dir Hist ", panel_name, (char *) NULL);
1075 panel->dir_history = history_get (panel->hist_name);
1076 directory_history_add (panel, panel->cwd);
1077
1078 panel->dir.list = g_new (file_entry, MIN_FILES);
1079 panel->dir.size = MIN_FILES;
1080 panel->active = 0;
1081 panel->filter = 0;
1082 panel->split = 0;
1083 panel->top_file = 0;
1084 panel->selected = 0;
1085 panel->marked = 0;
1086 panel->total = 0;
1087 panel->reverse = 0;
1088 panel->dirty = 1;
1089 panel->searching = 0;
1090 panel->dirs_marked = 0;
1091 panel->is_panelized = 0;
1092 panel->format = 0;
1093 panel->status_format = 0;
1094 panel->format_modified = 1;
1095
1096 panel->panel_name = g_strdup (panel_name);
1097 panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
1098
1099 for (i = 0; i < LIST_TYPES; i++)
1100 panel->user_status_format[i] = g_strdup (DEFAULT_USER_FORMAT);
1101
1102 panel->search_buffer[0] = 0;
1103 panel->frame_size = frame_half;
1104 section = g_strconcat ("Temporal:", panel->panel_name, (char *) NULL);
1105 if (!profile_has_section (section, profile_name)) {
1106 g_free (section);
1107 section = g_strdup (panel->panel_name);
1108 }
1109 panel_load_setup (panel, section);
1110 g_free (section);
1111
1112 /* Load format strings */
1113 err = set_panel_formats (panel);
1114 if (err) {
1115 set_panel_formats (panel);
1116 }
1117
1118 /* Load the default format */
1119 panel->count =
1120 do_load_dir (panel->cwd, &panel->dir, panel->sort_type,
1121 panel->reverse, panel->case_sensitive,
1122 panel->exec_first, panel->filter);
1123 return panel;
1124 }
1125
1126 void
1127 panel_reload (WPanel *panel)
1128 {
1129 struct stat current_stat;
1130
1131 if (fast_reload && !stat (panel->cwd, &current_stat)
1132 && current_stat.st_ctime == panel->dir_stat.st_ctime
1133 && current_stat.st_mtime == panel->dir_stat.st_mtime)
1134 return;
1135
1136 while (mc_chdir (panel->cwd) == -1) {
1137 char *last_slash;
1138
1139 if (panel->cwd[0] == PATH_SEP && panel->cwd[1] == 0) {
1140 panel_clean_dir (panel);
1141 panel->count = set_zero_dir (&panel->dir);
1142 return;
1143 }
1144 last_slash = strrchr (panel->cwd, PATH_SEP);
1145 if (!last_slash || last_slash == panel->cwd)
1146 strcpy (panel->cwd, PATH_SEP_STR);
1147 else
1148 *last_slash = 0;
1149 memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
1150 show_dir (panel);
1151 }
1152
1153 panel->count =
1154 do_reload_dir (panel->cwd, &panel->dir, panel->sort_type,
1155 panel->count, panel->reverse, panel->case_sensitive,
1156 panel->exec_first, panel->filter);
1157
1158 panel->dirty = 1;
1159 if (panel->selected >= panel->count)
1160 do_select (panel, panel->count - 1);
1161
1162 recalculate_panel_summary (panel);
1163 }
1164
1165 static void
1166 paint_frame (WPanel *panel)
1167 {
1168 int header_len;
1169 int spaces, extra;
1170 int side, width;
1171
1172 const char *txt;
1173 if (!panel->split)
1174 adjust_top_file (panel);
1175
1176 widget_erase (&panel->widget);
1177 show_dir (panel);
1178
1179 widget_move (&panel->widget, 1, 1);
1180
1181 for (side = 0; side <= panel->split; side++){
1182 format_e *format;
1183
1184 if (side){
1185 attrset (NORMAL_COLOR);
1186 one_vline ();
1187 width = panel->widget.cols - panel->widget.cols/2 - 1;
1188 } else if (panel->split)
1189 width = panel->widget.cols/2 - 3;
1190 else
1191 width = panel->widget.cols - 2;
1192
1193 for (format = panel->format; format; format = format->next){
1194 if (format->string_fn){
1195 txt = format->title;
1196
1197 header_len = strlen (txt);
1198 if (header_len > format->field_len)
1199 header_len = format->field_len;
1200
1201 attrset (MARKED_COLOR);
1202 spaces = (format->field_len - header_len) / 2;
1203 extra = (format->field_len - header_len) % 2;
1204 tty_printf ("%*s%.*s%*s", spaces, "",
1205 header_len, txt, spaces+extra, "");
1206 width -= 2 * spaces + extra + header_len;
1207 } else {
1208 attrset (NORMAL_COLOR);
1209 one_vline ();
1210 width --;
1211 continue;
1212 }
1213 }
1214
1215 if (width > 0)
1216 tty_printf ("%*s", width, "");
1217 }
1218 }
1219
1220 static const char *
1221 parse_panel_size (WPanel *panel, const char *format, int isstatus)
1222 {
1223 int frame = frame_half;
1224 format = skip_separators (format);
1225
1226 if (!strncmp (format, "full", 4)){
1227 frame = frame_full;
1228 format += 4;
1229 } else if (!strncmp (format, "half", 4)){
1230 frame = frame_half;
1231 format += 4;
1232 }
1233
1234 if (!isstatus){
1235 panel->frame_size = frame;
1236 panel->split = 0;
1237 }
1238
1239 /* Now, the optional column specifier */
1240 format = skip_separators (format);
1241
1242 if (*format == '1' || *format == '2'){
1243 if (!isstatus)
1244 panel->split = *format == '2';
1245 format++;
1246 }
1247
1248 if (!isstatus)
1249 panel_update_cols (&(panel->widget), panel->frame_size);
1250
1251 return skip_separators (format);
1252 }
1253
1254 /* Format is:
1255
1256 all := panel_format? format
1257 panel_format := [full|half] [1|2]
1258 format := one_format_e
1259 | format , one_format_e
1260
1261 one_format_e := just format.id [opt_size]
1262 just := [<=>]
1263 opt_size := : size [opt_expand]
1264 size := [0-9]+
1265 opt_expand := +
1266
1267 */
1268
1269 static format_e *
1270 parse_display_format (WPanel *panel, const char *format, char **error, int isstatus, int *res_total_cols)
1271 {
1272 format_e *darr, *old = 0, *home = 0; /* The formats we return */
1273 int total_cols = 0; /* Used columns by the format */
1274 int set_justify; /* flag: set justification mode? */
1275 int justify = 0; /* Which mode. */
1276 int items = 0; /* Number of items in the format */
1277 size_t i;
1278
1279 static size_t i18n_timelength = 0; /* flag: check ?Time length at startup */
1280
1281 *error = 0;
1282
1283 if (i18n_timelength == 0) {
1284 i18n_timelength = i18n_checktimelength (); /* Musn't be 0 */
1285
1286 for (i = 0; i < ELEMENTS(formats); i++)
1287 if (strcmp ("time", formats [i].id+1) == 0)
1288 formats [i].min_size = i18n_timelength;
1289 }
1290
1291 /*
1292 * This makes sure that the panel and mini status full/half mode
1293 * setting is equal
1294 */
1295 format = parse_panel_size (panel, format, isstatus);
1296
1297 while (*format){ /* format can be an empty string */
1298 int found = 0;
1299
1300 darr = g_new (format_e, 1);
1301
1302 /* I'm so ugly, don't look at me :-) */
1303 if (!home)
1304 home = old = darr;
1305
1306 old->next = darr;
1307 darr->next = 0;
1308 old = darr;
1309
1310 format = skip_separators (format);
1311
1312 if (strchr ("<=>", *format)){
1313 set_justify = 1;
1314 switch (*format)
1315 {
1316 case '<':
1317 justify = J_LEFT;
1318 break;
1319 case '=':
1320 justify = J_CENTER;
1321 break;
1322 case '>':
1323 default:
1324 justify = J_RIGHT;
1325 break;
1326 }
1327 format = skip_separators (format+1);
1328 } else
1329 set_justify = 0;
1330
1331 for (i = 0; i < ELEMENTS(formats); i++){
1332 int klen = strlen (formats [i].id);
1333
1334 if (strncmp (format, formats [i].id, klen) != 0)
1335 continue;
1336
1337 format += klen;
1338
1339 if (formats [i].use_in_gui)
1340 items++;
1341
1342 darr->requested_field_len = formats [i].min_size;
1343 darr->string_fn = formats [i].string_fn;
1344 if (formats [i].title [0])
1345 darr->title = _(formats [i].title);
1346 else
1347 darr->title = "";
1348 darr->id = formats [i].id;
1349 darr->expand = formats [i].expands;
1350 darr->just_mode = formats [i].default_just;
1351
1352 if (set_justify) {
1353 if (IS_FIT(darr->just_mode))
1354 darr->just_mode = MAKE_FIT(justify);
1355 else
1356 darr->just_mode = justify;
1357 }
1358 found = 1;
1359
1360 format = skip_separators (format);
1361
1362 /* If we have a size specifier */
1363 if (*format == ':'){
1364 int req_length;
1365
1366 /* If the size was specified, we don't want
1367 * auto-expansion by default
1368 */
1369 darr->expand = 0;
1370 format++;
1371 req_length = atoi (format);
1372 darr->requested_field_len = req_length;
1373
1374 format = skip_numbers (format);
1375
1376 /* Now, if they insist on expansion */
1377 if (*format == '+'){
1378 darr->expand = 1;
1379 format++;
1380 }
1381
1382 }
1383
1384 break;
1385 }
1386 if (!found){
1387 char *tmp_format = g_strdup (format);
1388
1389 int pos = min (8, strlen (format));
1390 delete_format (home);
1391 tmp_format [pos] = 0;
1392 *error = g_strconcat (_("Unknown tag on display format: "), tmp_format, (char *) NULL);
1393 g_free (tmp_format);
1394 return 0;
1395 }
1396 total_cols += darr->requested_field_len;
1397 }
1398
1399 *res_total_cols = total_cols;
1400 return home;
1401 }
1402
1403 static format_e *
1404 use_display_format (WPanel *panel, const char *format, char **error, int isstatus)
1405 {
1406 #define MAX_EXPAND 4
1407 int expand_top = 0; /* Max used element in expand */
1408 int usable_columns; /* Usable columns in the panel */
1409 int total_cols = 0;
1410 int i;
1411 format_e *darr, *home;
1412
1413 if (!format)
1414 format = DEFAULT_USER_FORMAT;
1415
1416 home = parse_display_format (panel, format, error, isstatus, &total_cols);
1417
1418 if (*error)
1419 return 0;
1420
1421 panel->dirty = 1;
1422
1423 /* Status needn't to be split */
1424 usable_columns = ((panel->widget.cols-2)/((isstatus)
1425 ? 1
1426 : (panel->split+1))) - (!isstatus && panel->split);
1427
1428 /* Look for the expandable fields and set field_len based on the requested field len */
1429 for (darr = home; darr && expand_top < MAX_EXPAND; darr = darr->next){
1430 darr->field_len = darr->requested_field_len;
1431 if (darr->expand)
1432 expand_top++;
1433 }
1434
1435 /* If we used more columns than the available columns, adjust that */
1436 if (total_cols > usable_columns){
1437 int pdif, dif = total_cols - usable_columns;
1438
1439 while (dif){
1440 pdif = dif;
1441 for (darr = home; darr; darr = darr->next){
1442 if (dif && darr->field_len - 1){
1443 darr->field_len--;
1444 dif--;
1445 }
1446 }
1447
1448 /* avoid endless loop if num fields > 40 */
1449 if (pdif == dif)
1450 break;
1451 }
1452 total_cols = usable_columns; /* give up, the rest should be truncated */
1453 }
1454
1455 /* Expand the available space */
1456 if ((usable_columns > total_cols) && expand_top){
1457 int spaces = (usable_columns - total_cols) / expand_top;
1458 int extra = (usable_columns - total_cols) % expand_top;
1459
1460 for (i = 0, darr = home; darr && (i < expand_top); darr = darr->next)
1461 if (darr->expand){
1462 darr->field_len += (spaces + ((i == 0) ? extra : 0));
1463 i++;
1464 }
1465 }
1466 return home;
1467 }
1468
1469 /* Switches the panel to the mode specified in the format */
1470 /* Seting up both format and status string. Return: 0 - on success; */
1471 /* 1 - format error; 2 - status error; 3 - errors in both formats. */
1472 int
1473 set_panel_formats (WPanel *p)
1474 {
1475 format_e *form;
1476 char *err;
1477 int retcode = 0;
1478
1479 form = use_display_format (p, panel_format (p), &err, 0);
1480
1481 if (err){
1482 g_free (err);
1483 retcode = 1;
1484 }
1485 else {
1486 if (p->format)
1487 delete_format (p->format);
1488
1489 p->format = form;
1490 }
1491
1492 if (show_mini_info){
1493
1494 form = use_display_format (p, mini_status_format (p), &err, 1);
1495
1496 if (err){
1497 g_free (err);
1498 retcode += 2;
1499 }
1500 else {
1501 if (p->status_format)
1502 delete_format (p->status_format);
1503
1504 p->status_format = form;
1505 }
1506 }
1507
1508 panel_format_modified (p);
1509 panel_update_cols (&(p->widget), p->frame_size);
1510
1511 if (retcode)
1512 message( 1, _("Warning" ), _( "User supplied format looks invalid, reverting to default." ) );
1513 if (retcode & 0x01){
1514 g_free (p->user_format);
1515 p->user_format = g_strdup (DEFAULT_USER_FORMAT);
1516 }
1517 if (retcode & 0x02){
1518 g_free (p->user_status_format [p->list_type]);
1519 p->user_status_format [p->list_type] = g_strdup (DEFAULT_USER_FORMAT);
1520 }
1521
1522 return retcode;
1523 }
1524
1525 /* Given the panel->view_type returns the format string to be parsed */
1526 static const char *
1527 panel_format (WPanel *panel)
1528 {
1529 switch (panel->list_type){
1530
1531 case list_long:
1532 return "full perm space nlink space owner space group space size space mtime space name";
1533
1534 case list_brief:
1535 return "half 2 type name";
1536
1537 case list_user:
1538 return panel->user_format;
1539
1540 default:
1541 case list_full:
1542 return "half type name | size | mtime";
1543 }
1544 }
1545
1546 static const char *
1547 mini_status_format (WPanel *panel)
1548 {
1549 if (panel->user_mini_status)
1550 return panel->user_status_format [panel->list_type];
1551
1552 switch (panel->list_type){
1553
1554 case list_long:
1555 return "full perm space nlink space owner space group space size space mtime space name";
1556
1557 case list_brief:
1558 return "half type name space bsize space perm space";
1559
1560 case list_full:
1561 return "half type name";
1562
1563 default:
1564 case list_user:
1565 return panel->user_format;
1566 }
1567 }
1568
1569 /* */
1570 /* Panel operation commands */
1571 /* */
1572
1573 /* Returns the number of items in the given panel */
1574 static int
1575 ITEMS (WPanel *p)
1576 {
1577 if (p->split)
1578 return llines (p) * 2;
1579 else
1580 return llines (p);
1581 }
1582
1583 /* Select current item and readjust the panel */
1584 void
1585 select_item (WPanel *panel)
1586 {
1587 int items = ITEMS (panel);
1588
1589 /* Although currently all over the code we set the selection and
1590 top file to decent values before calling select_item, I could
1591 forget it someday, so it's better to do the actual fitting here */
1592
1593 if (panel->top_file < 0)
1594 panel->top_file = 0;
1595
1596 if (panel->selected < 0)
1597 panel->selected = 0;
1598
1599 if (panel->selected > panel->count - 1)
1600 panel->selected = panel->count - 1;
1601
1602 if (panel->top_file > panel->count - 1)
1603 panel->top_file = panel->count - 1;
1604
1605 if ((panel->count - panel->top_file) < items) {
1606 panel->top_file = panel->count - items;
1607 if (panel->top_file < 0)
1608 panel->top_file = 0;
1609 }
1610
1611 if (panel->selected < panel->top_file)
1612 panel->top_file = panel->selected;
1613
1614 if ((panel->selected - panel->top_file) >= items)
1615 panel->top_file = panel->selected - items + 1;
1616
1617 panel->dirty = 1;
1618
1619 execute_hooks (select_file_hook);
1620 }
1621
1622 /* Clears all files in the panel, used only when one file was marked */
1623 void
1624 unmark_files (WPanel *panel)
1625 {
1626 int i;
1627
1628 if (!panel->marked)
1629 return;
1630 for (i = 0; i < panel->count; i++)
1631 file_mark (panel, i, 0);
1632
1633 panel->dirs_marked = 0;
1634 panel->marked = 0;
1635 panel->total = 0;
1636 }
1637
1638 static void
1639 unselect_item (WPanel *panel)
1640 {
1641 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked, 0);
1642 }
1643
1644 static void
1645 move_down (WPanel *panel)
1646 {
1647 if (panel->selected+1 == panel->count)
1648 return;
1649
1650 unselect_item (panel);
1651 panel->selected++;
1652
1653 if (panel->selected - panel->top_file == ITEMS (panel) &&
1654 panel_scroll_pages){
1655 /* Scroll window half screen */
1656 panel->top_file += ITEMS (panel)/2;
1657 if (panel->top_file > panel->count - ITEMS (panel))
1658 panel->top_file = panel->count - ITEMS (panel);
1659 paint_dir (panel);
1660 select_item (panel);
1661 }
1662 select_item (panel);
1663 }
1664
1665 static void
1666 move_up (WPanel *panel)
1667 {
1668 if (panel->selected == 0)
1669 return;
1670
1671 unselect_item (panel);
1672 panel->selected--;
1673 if (panel->selected < panel->top_file && panel_scroll_pages){
1674 /* Scroll window half screen */
1675 panel->top_file -= ITEMS (panel)/2;
1676 if (panel->top_file < 0) panel->top_file = 0;
1677 paint_dir (panel);
1678 }
1679 select_item (panel);
1680 }
1681
1682 /* Changes the selection by lines (may be negative) */
1683 static void
1684 move_selection (WPanel *panel, int lines)
1685 {
1686 int new_pos;
1687 int adjust = 0;
1688
1689 new_pos = panel->selected + lines;
1690 if (new_pos >= panel->count)
1691 new_pos = panel->count-1;
1692
1693 if (new_pos < 0)
1694 new_pos = 0;
1695
1696 unselect_item (panel);
1697 panel->selected = new_pos;
1698
1699 if (panel->selected - panel->top_file >= ITEMS (panel)){
1700 panel->top_file += lines;
1701 adjust = 1;
1702 }
1703
1704 if (panel->selected - panel->top_file < 0){
1705 panel->top_file += lines;
1706 adjust = 1;
1707 }
1708
1709 if (adjust){
1710 if (panel->top_file > panel->selected)
1711 panel->top_file = panel->selected;
1712 if (panel->top_file < 0)
1713 panel->top_file = 0;
1714 paint_dir (panel);
1715 }
1716 select_item (panel);
1717 }
1718
1719 static cb_ret_t
1720 move_left (WPanel *panel, int c_code)
1721 {
1722 if (panel->split) {
1723 move_selection (panel, -llines (panel));
1724 return MSG_HANDLED;
1725 } else
1726 return maybe_cd (1); /* cd .. */
1727 }
1728
1729 static int
1730 move_right (WPanel *panel, int c_code)
1731 {
1732 if (panel->split) {
1733 move_selection (panel, llines (panel));
1734 return MSG_HANDLED;
1735 } else
1736 return maybe_cd (0); /* cd (selection) */
1737 }
1738
1739 static void
1740 prev_page (WPanel *panel)
1741 {
1742 int items;
1743
1744 if (!panel->selected && !panel->top_file)
1745 return;
1746 unselect_item (panel);
1747 items = ITEMS (panel);
1748 if (panel->top_file < items)
1749 items = panel->top_file;
1750 if (!items)
1751 panel->selected = 0;
1752 else
1753 panel->selected -= items;
1754 panel->top_file -= items;
1755
1756 /* This keeps the selection in a reasonable place */
1757 if (panel->selected < 0)
1758 panel->selected = 0;
1759 if (panel->top_file < 0)
1760 panel->top_file = 0;
1761 select_item (panel);
1762 paint_dir (panel);
1763 }
1764
1765 static void
1766 ctrl_prev_page (WPanel *panel)
1767 {
1768 do_cd ("..", cd_exact);
1769 }
1770
1771 static void
1772 next_page (WPanel *panel)
1773 {
1774 int items;
1775
1776 if (panel->selected == panel->count - 1)
1777 return;
1778 unselect_item (panel);
1779 items = ITEMS (panel);
1780 if (panel->top_file > panel->count - 2 * items)
1781 items = panel->count - items - panel->top_file;
1782 if (panel->top_file + items < 0)
1783 items = -panel->top_file;
1784 if (!items)
1785 panel->selected = panel->count - 1;
1786 else
1787 panel->selected += items;
1788 panel->top_file += items;
1789
1790 /* This keeps the selection in it's relative position */
1791 if (panel->selected >= panel->count)
1792 panel->selected = panel->count - 1;
1793 if (panel->top_file >= panel->count)
1794 panel->top_file = panel->count - 1;
1795 select_item (panel);
1796 paint_dir (panel);
1797 }
1798
1799 static void
1800 ctrl_next_page (WPanel *panel)
1801 {
1802 if ((S_ISDIR (selection (panel)->st.st_mode)
1803 || link_isdir (selection (panel)))) {
1804 do_cd (selection (panel)->fname, cd_exact);
1805 }
1806 }
1807
1808 static void
1809 goto_top_file (WPanel *panel)
1810 {
1811 unselect_item (panel);
1812 panel->selected = panel->top_file;
1813 select_item (panel);
1814 }
1815
1816 static void
1817 goto_middle_file (WPanel *panel)
1818 {
1819 unselect_item (panel);
1820 panel->selected = panel->top_file + (ITEMS (panel)/2);
1821 if (panel->selected >= panel->count)
1822 panel->selected = panel->count - 1;
1823 select_item (panel);
1824 }
1825
1826 static void
1827 goto_bottom_file (WPanel *panel)
1828 {
1829 unselect_item (panel);
1830 panel->selected = panel->top_file + ITEMS (panel)-1;
1831 if (panel->selected >= panel->count)
1832 panel->selected = panel->count - 1;
1833 select_item (panel);
1834 }
1835
1836 static void
1837 move_home (WPanel *panel)
1838 {
1839 if (panel->selected == 0)
1840 return;
1841 unselect_item (panel);
1842
1843 if (torben_fj_mode){
1844 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1845
1846 if (panel->selected > middle_pos){
1847 goto_middle_file (panel);
1848 return;
1849 }
1850 if (panel->selected != panel->top_file){
1851 goto_top_file (panel);
1852 return;
1853 }
1854 }
1855
1856 panel->top_file = 0;
1857 panel->selected = 0;
1858
1859 paint_dir (panel);
1860 select_item (panel);
1861 }
1862
1863 static void
1864 move_end (WPanel *panel)
1865 {
1866 if (panel->selected == panel->count-1)
1867 return;
1868 unselect_item (panel);
1869 if (torben_fj_mode){
1870 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1871
1872 if (panel->selected < middle_pos){
1873 goto_middle_file (panel);
1874 return;
1875 }
1876 if (panel->selected != (panel->top_file + ITEMS(panel)-1)){
1877 goto_bottom_file (panel);
1878 return;
1879 }
1880 }
1881
1882 panel->selected = panel->count-1;
1883 paint_dir (panel);
1884 select_item (panel);
1885 }
1886
1887 /* Recalculate the panels summary information, used e.g. when marked
1888 files might have been removed by an external command */
1889 void
1890 recalculate_panel_summary (WPanel *panel)
1891 {
1892 int i;
1893
1894 panel->marked = 0;
1895 panel->dirs_marked = 0;
1896 panel->total = 0;
1897
1898 for (i = 0; i < panel->count; i++)
1899 if (panel->dir.list [i].f.marked){
1900 /* do_file_mark will return immediately if newmark == oldmark.
1901 So we have to first unmark it to get panel's summary information
1902 updated. (Norbert) */
1903 panel->dir.list [i].f.marked = 0;
1904 do_file_mark (panel, i, 1);
1905 }
1906 }
1907
1908 /* This routine marks a file or a directory */
1909 void
1910 do_file_mark (WPanel *panel, int idx, int mark)
1911 {
1912 if (panel->dir.list[idx].f.marked == mark)
1913 return;
1914
1915 /* Only '..' can't be marked, '.' isn't visible */
1916 if (!strcmp (panel->dir.list[idx].fname, ".."))
1917 return;
1918
1919 file_mark (panel, idx, mark);
1920 if (panel->dir.list[idx].f.marked) {
1921 panel->marked++;
1922 if (S_ISDIR (panel->dir.list[idx].st.st_mode)) {
1923 if (panel->dir.list[idx].f.dir_size_computed)
1924 panel->total += panel->dir.list[idx].st.st_size;
1925 panel->dirs_marked++;
1926 } else
1927 panel->total += panel->dir.list[idx].st.st_size;
1928 set_colors (panel);
1929 } else {
1930 if (S_ISDIR (panel->dir.list[idx].st.st_mode)) {
1931 if (panel->dir.list[idx].f.dir_size_computed)
1932 panel->total -= panel->dir.list[idx].st.st_size;
1933 panel->dirs_marked--;
1934 } else
1935 panel->total -= panel->dir.list[idx].st.st_size;
1936 panel->marked--;
1937 }
1938 }
1939
1940 static void
1941 do_mark_file (WPanel *panel, int do_move)
1942 {
1943 do_file_mark (panel, panel->selected,
1944 selection (panel)->f.marked ? 0 : 1);
1945 if (mark_moves_down && do_move)
1946 move_down (panel);
1947 }
1948
1949 static void
1950 mark_file (WPanel *panel)
1951 {
1952 do_mark_file (panel, 1);
1953 }
1954
1955 /* Incremental search of a file name in the panel */
1956 static void
1957 do_search (WPanel *panel, int c_code)
1958 {
1959 size_t l;
1960 int i;
1961 int wrapped = 0;
1962 int found;
1963
1964 l = strlen (panel->search_buffer);
1965 if (c_code == KEY_BACKSPACE) {
1966 if (l)
1967 panel->search_buffer[--l] = '\0';
1968 } else {
1969 if (c_code && l < sizeof (panel->search_buffer)) {
1970 panel->search_buffer[l] = c_code;
1971 panel->search_buffer[l + 1] = 0;
1972 l++;
1973 }
1974 }
1975
1976 found = 0;
1977 for (i = panel->selected; !wrapped || i != panel->selected; i++) {
1978 if (i >= panel->count) {
1979 i = 0;
1980 if (wrapped)
1981 break;
1982 wrapped = 1;
1983 }
1984 if (panel->
1985 case_sensitive
1986 ? (strncmp (panel->dir.list[i].fname, panel->search_buffer, l)
1987 == 0) : (g_strncasecmp (panel->dir.list[i].fname,
1988 panel->search_buffer, l) == 0)) {
1989 unselect_item (panel);
1990 panel->selected = i;
1991 select_item (panel);
1992 found = 1;
1993 break;
1994 }
1995 }
1996 if (!found)
1997 panel->search_buffer[--l] = 0;
1998
1999 paint_panel (panel);
2000 }
2001
2002 static void
2003 start_search (WPanel *panel)
2004 {
2005 if (panel->searching){
2006 if (panel->selected+1 == panel->count)
2007 panel->selected = 0;
2008 else
2009 move_down (panel);
2010 do_search (panel, 0);
2011 } else {
2012 panel->searching = 1;
2013 panel->search_buffer [0] = 0;
2014 display_mini_info (panel);
2015 mc_refresh ();
2016 }
2017 }
2018
2019 /* Return 1 if the Enter key has been processed, 0 otherwise */
2020 static int
2021 do_enter_on_file_entry (file_entry *fe)
2022 {
2023 char *full_name;
2024
2025 /*
2026 * Directory or link to directory - change directory.
2027 * Try the same for the entries on which mc_lstat() has failed.
2028 */
2029 if (S_ISDIR (fe->st.st_mode) || link_isdir (fe)
2030 || (fe->st.st_mode == 0)) {
2031 if (!do_cd (fe->fname, cd_exact))
2032 message (D_ERROR, MSG_ERROR, _("Cannot change directory"));
2033 return 1;
2034 }
2035
2036 /* Try associated command */
2037 if (regex_command (fe->fname, "Open", 0) != 0)
2038 return 1;
2039
2040 /* Check if the file is executable */
2041 full_name = concat_dir_and_file (current_panel->cwd, fe->fname);
2042 if (!is_exe (fe->st.st_mode) || !if_link_is_exe (full_name, fe)) {
2043 g_free (full_name);
2044 return 0;
2045 }
2046 g_free (full_name);
2047
2048 if (confirm_execute) {
2049 if (query_dialog
2050 (_(" The Midnight Commander "),
2051 _(" Do you really want to execute? "), D_NORMAL, 2, _("&Yes"),
2052 _("&No")) != 0)
2053 return 1;
2054 }
2055 #ifdef USE_VFS
2056 if (!vfs_current_is_local ()) {
2057 char *tmp;
2058 int ret;
2059
2060 tmp = concat_dir_and_file (vfs_get_current_dir (), fe->fname);
2061 ret = mc_setctl (tmp, VFS_SETCTL_RUN, NULL);
2062 g_free (tmp);
2063 /* We took action only if the dialog was shown or the execution
2064 * was successful */
2065 return confirm_execute || (ret == 0);
2066 }
2067 #endif
2068
2069 {
2070 char *tmp = name_quote (fe->fname, 0);
2071 char *cmd = g_strconcat (".", PATH_SEP_STR, tmp, (char *) NULL);
2072 g_free (tmp);
2073 shell_execute (cmd, 0);
2074 g_free (cmd);
2075 }
2076
2077 return 1;
2078 }
2079
2080 static int
2081 do_enter (WPanel *panel)
2082 {
2083 return do_enter_on_file_entry (selection (panel));
2084 }
2085
2086 static void
2087 chdir_other_panel (WPanel *panel)
2088 {
2089 char *new_dir;
2090 char *sel_entry = NULL;
2091
2092 if (get_other_type () != view_listing) {
2093 set_display_type (get_other_index (), view_listing);
2094 }
2095
2096 if (!S_ISDIR (panel->dir.list [panel->selected].st.st_mode)) {
2097 new_dir = concat_dir_and_file (panel->cwd, "..");
2098 sel_entry = strrchr(panel->cwd, PATH_SEP);
2099 } else
2100 new_dir = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
2101
2102 change_panel ();
2103 do_cd (new_dir, cd_exact);
2104 if (sel_entry)
2105 try_to_select (current_panel, sel_entry);
2106 change_panel ();
2107
2108 move_down (panel);
2109
2110 g_free (new_dir);
2111 }
2112
2113 /*
2114 * Make the current directory of the current panel also the current
2115 * directory of the other panel. Put the other panel to the listing
2116 * mode if needed. If the current panel is panelized, the other panel
2117 * doesn't become panelized.
2118 */
2119 static void
2120 sync_other_panel (WPanel *panel)
2121 {
2122 if (get_other_type () != view_listing) {
2123 set_display_type (get_other_index (), view_listing);
2124 }
2125
2126 do_panel_cd (other_panel, current_panel->cwd, cd_exact);
2127
2128 /* try to select current filename on the other panel */
2129 if (!panel->is_panelized) {
2130 try_to_select (other_panel, selection (panel)->fname);
2131 }
2132 }
2133
2134 static void
2135 chdir_to_readlink (WPanel *panel)
2136 {
2137 char *new_dir;
2138
2139 if (get_other_type () != view_listing)
2140 return;
2141
2142 if (S_ISLNK (panel->dir.list [panel->selected].st.st_mode)) {
2143 char buffer [MC_MAXPATHLEN], *p;
2144 int i;
2145 struct stat st;
2146
2147 i = readlink (selection (panel)->fname, buffer, MC_MAXPATHLEN - 1);
2148 if (i < 0)
2149 return;
2150 if (mc_stat (selection (panel)->fname, &st) < 0)
2151 return;
2152 buffer [i] = 0;
2153 if (!S_ISDIR (st.st_mode)) {
2154 p = strrchr (buffer, PATH_SEP);
2155 if (p && !p[1]) {
2156 *p = 0;
2157 p = strrchr (buffer, PATH_SEP);
2158 }
2159 if (!p)
2160 return;
2161 p[1] = 0;
2162 }
2163 if (*buffer == PATH_SEP)
2164 new_dir = g_strdup (buffer);
2165 else
2166 new_dir = concat_dir_and_file (panel->cwd, buffer);
2167
2168 change_panel ();
2169 do_cd (new_dir, cd_exact);
2170 change_panel ();
2171
2172 move_down (panel);
2173
2174 g_free (new_dir);
2175 }
2176 }
2177
2178 typedef void (*panel_key_callback) (WPanel *);
2179 typedef struct {
2180 int key_code;
2181 panel_key_callback fn;
2182 } panel_key_map;
2183
2184 static void cmd_do_enter(WPanel *wp) { (void) do_enter(wp); }
2185 static void cmd_view_simple(WPanel *wp) { view_simple_cmd(); }
2186 static void cmd_edit_new(WPanel *wp) { edit_cmd_new(); }
2187 static void cmd_copy_local(WPanel *wp) { copy_cmd_local(); }
2188 static void cmd_rename_local(WPanel *wp) { ren_cmd_local(); }
2189 static void cmd_delete_local(WPanel *wp) { delete_cmd_local(); }
2190 static void cmd_select(WPanel *wp) { select_cmd(); }
2191 static void cmd_unselect(WPanel *wp) { unselect_cmd(); }
2192 static void cmd_reverse_selection(WPanel *wp) { reverse_selection_cmd(); }
2193
2194 static const panel_key_map panel_keymap [] = {
2195 { KEY_DOWN, move_down },
2196 { KEY_UP, move_up },
2197
2198 /* The action button :-) */
2199 { '\n', cmd_do_enter },
2200 { KEY_ENTER, cmd_do_enter },
2201
2202 { KEY_IC, mark_file },
2203 { KEY_HOME, move_home },
2204 { KEY_A1, move_home },
2205 { ALT ('<'), move_home },
2206 { KEY_C1, move_end },
2207 { KEY_END, move_end },
2208 { ALT ('>'), move_end },
2209 { KEY_NPAGE, next_page },
2210 { KEY_PPAGE, prev_page },
2211 { KEY_NPAGE | KEY_M_CTRL, ctrl_next_page },
2212 { KEY_PPAGE | KEY_M_CTRL, ctrl_prev_page },
2213
2214 /* To quickly move in the panel */
2215 { ALT('g'), goto_top_file },
2216 { ALT('r'), goto_middle_file }, /* M-r like emacs */
2217 { ALT('j'), goto_bottom_file },
2218
2219 /* Emacs-like bindings */
2220 { XCTRL('v'), next_page }, /* C-v like emacs */
2221 { ALT('v'), prev_page }, /* M-v like emacs */
2222 { XCTRL('p'), move_up }, /* C-p like emacs */
2223 { XCTRL('n'), move_down }, /* C-n like emacs */
2224 { XCTRL('s'), start_search }, /* C-s like emacs */
2225 { ALT('s'), start_search }, /* M-s not like emacs */
2226 { XCTRL('t'), mark_file },
2227 { ALT('o'), chdir_other_panel },
2228 { ALT('i'), sync_other_panel },
2229 { ALT('l'), chdir_to_readlink },
2230 { ALT('H'), directory_history_list },
2231 { KEY_F(13), cmd_view_simple },
2232 { KEY_F(14), cmd_edit_new },
2233 { KEY_F(15), cmd_copy_local },
2234 { KEY_F(16), cmd_rename_local },
2235 { KEY_F(18), cmd_delete_local },
2236 { ALT('y'), directory_history_prev },
2237 { ALT('u'), directory_history_next },
2238 { ALT('+'), cmd_select },
2239 { KEY_KP_ADD, cmd_select },
2240 { ALT('\\'), cmd_unselect },
2241 { ALT('-'), cmd_unselect },
2242 { KEY_KP_SUBTRACT, cmd_unselect },
2243 { ALT('*'), cmd_reverse_selection },
2244 { KEY_KP_MULTIPLY, cmd_reverse_selection },
2245 { 0, 0 }
2246 };
2247
2248 static inline cb_ret_t
2249 panel_key (WPanel *panel, int key)
2250 {
2251 int i;
2252
2253 for (i = 0; panel_keymap[i].key_code; i++) {
2254 if (key == panel_keymap[i].key_code) {
2255 int old_searching = panel->searching;
2256
2257 if (panel_keymap[i].fn != start_search)
2258 panel->searching = 0;
2259
2260 (*panel_keymap[i].fn) (panel);
2261
2262 if (panel->searching != old_searching)
2263 display_mini_info (panel);
2264 return MSG_HANDLED;
2265 }
2266 }
2267 if (torben_fj_mode && key == ALT ('h')) {
2268 goto_middle_file (panel);
2269 return MSG_HANDLED;
2270 }
2271
2272 /* We do not want to take a key press if nothing can be done with it */
2273 /* The command line widget may do something more useful */
2274 if (key == KEY_LEFT)
2275 return move_left (panel, key);
2276
2277 if (key == KEY_RIGHT)
2278 return move_right (panel, key);
2279
2280 if (is_abort_char (key)) {
2281 panel->searching = 0;
2282 display_mini_info (panel);
2283 return MSG_HANDLED;
2284 }
2285
2286 /* Do not eat characters not meant for the panel below ' ' (e.g. C-l). */
2287 if ((key >= ' ' && key <= 255) || key == KEY_BACKSPACE) {
2288 if (panel->searching) {
2289 do_search (panel, key);
2290 return MSG_HANDLED;
2291 }
2292
2293 if (!command_prompt) {
2294 start_search (panel);
2295 do_search (panel, key);
2296 return MSG_HANDLED;
2297 }
2298 }
2299
2300 return MSG_NOT_HANDLED;
2301 }
2302
2303 static cb_ret_t
2304 panel_callback (Widget *w, widget_msg_t msg, int parm)
2305 {
2306 WPanel *panel = (WPanel *) w;
2307 Dlg_head *h = panel->widget.parent;
2308
2309 switch (msg) {
2310 case WIDGET_DRAW:
2311 paint_panel (panel);
2312 return MSG_HANDLED;
2313
2314 case WIDGET_FOCUS:
2315 current_panel = panel;
2316 panel->active = 1;
2317 if (mc_chdir (panel->cwd) != 0) {
2318 char *cwd = strip_password (g_strdup (panel->cwd), 1);
2319 message (D_ERROR, MSG_ERROR, _(" Cannot chdir to \"%s\" \n %s "),
2320 cwd, unix_error_string (errno));
2321 g_free(cwd);
2322 } else
2323 subshell_chdir (panel->cwd);
2324
2325 update_xterm_title_path ();
2326 select_item (panel);
2327 show_dir (panel);
2328 paint_dir (panel);
2329 panel->dirty = 0;
2330
2331 buttonbar_set_label (h, 1, _("Help"), help_cmd);
2332 buttonbar_set_label (h, 2, _("Menu"), user_file_menu_cmd);
2333 buttonbar_set_label (h, 3, _("View"), view_cmd);
2334 buttonbar_set_label (h, 4, _("Edit"), edit_cmd);
2335 buttonbar_set_label (h, 5, _("Copy"), copy_cmd);
2336 buttonbar_set_label (h, 6, _("RenMov"), ren_cmd);
2337 buttonbar_set_label (h, 7, _("Mkdir"), mkdir_cmd);
2338 buttonbar_set_label (h, 8, _("Delete"), delete_cmd);
2339 buttonbar_redraw (h);
2340 return MSG_HANDLED;
2341
2342 case WIDGET_UNFOCUS:
2343 /* Janne: look at this for the multiple panel options */
2344 if (panel->searching){
2345 panel->searching = 0;
2346 display_mini_info (panel);
2347 }
2348 panel->active = 0;
2349 show_dir (panel);
2350 unselect_item (panel);
2351 return MSG_HANDLED;
2352
2353 case WIDGET_KEY:
2354 return panel_key (panel, parm);
2355
2356 case WIDGET_DESTROY:
2357 panel_destroy (panel);
2358 return MSG_HANDLED;
2359
2360 default:
2361 return default_proc (msg, parm);
2362 }
2363 }
2364
2365 void
2366 file_mark (WPanel *panel, int index, int val)
2367 {
2368 if (panel->dir.list[index].f.marked != val) {
2369 panel->dir.list[index].f.marked = val;
2370 panel->dirty = 1;
2371 }
2372 }
2373
2374 /* */
2375 /* Panel mouse events support routines */
2376 /* */
2377 static int mouse_marking = 0;
2378
2379 static void
2380 mouse_toggle_mark (WPanel *panel)
2381 {
2382 do_mark_file (panel, 0);
2383 mouse_marking = selection (panel)->f.marked;
2384 }
2385
2386 static void
2387 mouse_set_mark (WPanel *panel)
2388 {
2389 if (mouse_marking && !(selection (panel)->f.marked))
2390 do_mark_file (panel, 0);
2391 else if (!mouse_marking && (selection (panel)->f.marked))
2392 do_mark_file (panel, 0);
2393 }
2394
2395 static inline int
2396 mark_if_marking (WPanel *panel, Gpm_Event *event)
2397 {
2398 if (event->buttons & GPM_B_RIGHT){
2399 if (event->type & GPM_DOWN)
2400 mouse_toggle_mark (panel);
2401 else
2402 mouse_set_mark (panel);
2403 return 1;
2404 }
2405 return 0;
2406 }
2407
2408 /*
2409 * Mouse callback of the panel minus repainting.
2410 * If the event is redirected to the menu, *redir is set to 1.
2411 */
2412 static int
2413 do_panel_event (Gpm_Event *event, WPanel *panel, int *redir)
2414 {
2415 const int lines = llines (panel);
2416
2417 int my_index;
2418
2419 /* Mouse wheel events */
2420 if ((event->buttons & GPM_B_UP) && (event->type & GPM_DOWN)) {
2421 prev_page (panel);
2422 return MOU_NORMAL;
2423 }
2424 if ((event->buttons & GPM_B_DOWN) && (event->type & GPM_DOWN)) {
2425 next_page (panel);
2426 return MOU_NORMAL;
2427 }
2428
2429 /* "<" button */
2430 if (event->type & GPM_DOWN && event->x == 2 && event->y == 1) {
2431 directory_history_prev (panel);
2432 return MOU_NORMAL;
2433 }
2434
2435 /* ">" button */
2436 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 1
2437 && event->y == 1) {
2438 directory_history_next (panel);
2439 return MOU_NORMAL;
2440 }
2441
2442 /* "v" button */
2443 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 2
2444 && event->y == 1) {
2445 directory_history_list (panel);
2446 return MOU_NORMAL;
2447 }
2448
2449 /* rest of the upper frame, the menu is invisible - call menu */
2450 if (event->type & GPM_DOWN && event->y == 1 && !menubar_visible) {
2451 *redir = 1;
2452 event->x += panel->widget.x;
2453 return (*(the_menubar->widget.mouse)) (event, the_menubar);
2454 }
2455
2456 event->y -= 2;
2457 if ((event->type & (GPM_DOWN | GPM_DRAG))) {
2458
2459 if (!dlg_widget_active (panel))
2460 change_panel ();
2461
2462 if (event->y <= 0) {
2463 mark_if_marking (panel, event);
2464 if (mouse_move_pages)
2465 prev_page (panel);
2466 else
2467 move_up (panel);
2468 return MOU_REPEAT;
2469 }
2470
2471 if (!((panel->top_file + event->y <= panel->count)
2472 && event->y <= lines)) {
2473 mark_if_marking (panel, event);
2474 if (mouse_move_pages)
2475 next_page (panel);
2476 else
2477 move_down (panel);
2478 return MOU_REPEAT;
2479 }
2480 my_index = panel->top_file + event->y - 1;
2481 if (panel->split) {
2482 if (event->x > ((panel->widget.cols - 2) / 2))
2483 my_index += llines (panel);
2484 }
2485
2486 if (my_index >= panel->count)
2487 my_index = panel->count - 1;
2488
2489 if (my_index != panel->selected) {
2490 unselect_item (panel);
2491 panel->selected = my_index;
2492 select_item (panel);
2493 }
2494
2495 /* This one is new */
2496 mark_if_marking (panel, event);
2497
2498 } else if ((event->type & (GPM_UP | GPM_DOUBLE)) ==
2499 (GPM_UP | GPM_DOUBLE)) {
2500 if (event->y > 0 && event->y <= lines)
2501 do_enter (panel);
2502 }
2503 return MOU_NORMAL;
2504 }
2505
2506 /* Mouse callback of the panel */
2507 static int
2508 panel_event (Gpm_Event *event, void *data)
2509 {
2510 WPanel *panel = data;
2511 int ret;
2512 int redir = 0;
2513
2514 ret = do_panel_event (event, panel, &redir);
2515 if (!redir)
2516 paint_panel (panel);
2517
2518 return ret;
2519 }
2520
2521 void
2522 panel_re_sort (WPanel *panel)
2523 {
2524 char *filename;
2525 int i;
2526
2527 if (panel == NULL)
2528 return;
2529
2530 filename = g_strdup (selection (panel)->fname);
2531 unselect_item (panel);
2532 do_sort (&panel->dir, panel->sort_type, panel->count-1, panel->reverse,
2533 panel->case_sensitive, panel->exec_first);
2534 panel->selected = -1;
2535 for (i = panel->count; i; i--){
2536 if (!strcmp (panel->dir.list [i-1].fname, filename)){
2537 panel->selected = i-1;
2538 break;
2539 }
2540 }
2541 g_free (filename);
2542 panel->top_file = panel->selected - ITEMS (panel)/2;
2543 if (panel->top_file < 0)
2544 panel->top_file = 0;
2545 select_item (panel);
2546 panel->dirty = 1;
2547 }
2548
2549 void
2550 panel_set_sort_order (WPanel *panel, sortfn *sort_order)
2551 {
2552 if (sort_order == 0)
2553 return;
2554
2555 panel->sort_type = sort_order;
2556
2557 /* The directory is already sorted, we have to load the unsorted stuff */
2558 if (sort_order == (sortfn *) unsorted){
2559 char *current_file;
2560
2561 current_file = g_strdup (panel->dir.list [panel->selected].fname);
2562 panel_reload (panel);
2563 try_to_select (panel, current_file);
2564 g_free (current_file);
2565 }
2566 panel_re_sort (panel);
2567 }
Midnight Commander