Merge branch '207_minor_regex_fixes' into mc-4.6
[midnight-commander.git] / src / screen.c
blob74604f4a2e8b2ec7064649dbd54d13a1bc6e208d
1 /* Panel managing.
2 Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007 Free Software Foundation, Inc.
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.
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.
15 Written by: 1995 Miguel de Icaza
16 1997, 1999 Timur Bakeyev
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. */
22 #include <config.h>
24 #include <errno.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
29 #include <unistd.h>
31 #include "global.h"
32 #include "tty.h"
33 #include "dir.h"
34 #include "panel.h"
35 #include "color.h"
36 #include "tree.h"
37 #include "win.h"
38 #include "ext.h" /* regexp_command */
39 #include "mouse.h" /* For Gpm_Event */
40 #include "layout.h" /* Most layout variables are here */
41 #include "wtools.h" /* for message (...) */
42 #include "cmd.h"
43 #include "key.h" /* XCTRL and ALT macros */
44 #include "setup.h" /* For loading/saving panel options */
45 #include "user.h"
46 #include "profile.h"
47 #include "execute.h"
48 #include "widget.h"
49 #include "menu.h" /* menubar_visible */
50 #define WANT_WIDGETS
51 #include "main.h" /* the_menubar */
52 #include "unixcompat.h"
54 #define ELEMENTS(arr) ( sizeof(arr) / sizeof((arr)[0]) )
56 #define J_LEFT 1
57 #define J_RIGHT 2
58 #define J_CENTER 3
60 #define IS_FIT(x) ((x) & 0x0004)
61 #define MAKE_FIT(x) ((x) | 0x0004)
62 #define HIDE_FIT(x) ((x) & 0x0003)
64 #define J_LEFT_FIT 5
65 #define J_RIGHT_FIT 6
66 #define J_CENTER_FIT 7
68 #define NORMAL 0
69 #define SELECTED 1
70 #define MARKED 2
71 #define MARKED_SELECTED 3
72 #define STATUS 5
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.
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;
89 /* If true, show the mini-info on the panel */
90 int show_mini_info = 1;
92 /* If true, then use stat() on the cwd to determine directory changes */
93 int fast_reload = 0;
95 /* If true, use some usability hacks by Torben */
96 int torben_fj_mode = 0;
98 /* If true, up/down keys scroll the pane listing by pages */
99 int panel_scroll_pages = 1;
101 /* If 1, we use permission hilighting */
102 int permission_mode = 0;
104 /* If 1 - then add per file type hilighting */
105 int filetype_mode = 1;
107 /* The hook list for the select file function */
108 Hook *select_file_hook = 0;
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);
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))
119 static void
120 set_colors (WPanel *panel)
122 standend ();
123 attrset (NORMAL_COLOR);
126 /* Delete format string, it is a linked list */
127 static void
128 delete_format (format_e *format)
130 format_e *next;
132 while (format){
133 next = format->next;
134 g_free (format);
135 format = next;
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)
143 int i, r, l;
145 l = get_user_permissions (&fe->st);
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;
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);
166 addch (dest[i]);
170 /* String representations of various file attributes */
171 /* name */
172 static const char *
173 string_file_name (file_entry *fe, int len)
175 static char buffer [MC_MAXPATHLEN + 1];
176 size_t i;
178 for (i = 0; i < sizeof(buffer) - 1; i++) {
179 char c;
181 c = fe->fname[i];
183 if (!c)
184 break;
186 if (!is_printable(c))
187 c = '?';
189 buffer[i] = c;
192 buffer[i] = 0;
193 return buffer;
196 static inline unsigned int ilog10(dev_t n)
198 unsigned int digits = 0;
199 do {
200 digits++, n /= 10;
201 } while (n != 0);
202 return digits;
205 static void format_device_number (char *buf, size_t bufsize, dev_t dev)
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);
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);
221 /* size */
222 static const char *
223 string_file_size (file_entry *fe, int len)
225 static char buffer [BUF_TINY];
227 /* Don't ever show size of ".." since we don't calculate it */
228 if (!strcmp (fe->fname, "..")) {
229 return _("UP--DIR");
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
238 size_trunc_len (buffer, len, fe->st.st_size, 0);
240 return buffer;
243 /* bsize */
244 static const char *
245 string_file_size_brief (file_entry *fe, int len)
247 if (S_ISLNK (fe->st.st_mode) && !fe->f.link_to_dir) {
248 return _("SYMLINK");
251 if ((S_ISDIR (fe->st.st_mode) || fe->f.link_to_dir) && strcmp (fe->fname, "..")) {
252 return _("SUB-DIR");
255 return string_file_size (fe, len);
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)
263 static char buffer[2];
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;
296 /* mtime */
297 static const char *
298 string_file_mtime (file_entry *fe, int len)
300 if (!strcmp (fe->fname, "..")) {
301 return "";
303 return file_date (fe->st.st_mtime);
306 /* atime */
307 static const char *
308 string_file_atime (file_entry *fe, int len)
310 if (!strcmp (fe->fname, "..")) {
311 return "";
313 return file_date (fe->st.st_atime);
316 /* ctime */
317 static const char *
318 string_file_ctime (file_entry *fe, int len)
320 if (!strcmp (fe->fname, "..")) {
321 return "";
323 return file_date (fe->st.st_ctime);
326 /* perm */
327 static const char *
328 string_file_permission (file_entry *fe, int len)
330 return string_perm (fe->st.st_mode);
333 /* mode */
334 static const char *
335 string_file_perm_octal (file_entry *fe, int len)
337 static char buffer [10];
339 g_snprintf (buffer, sizeof (buffer), "0%06lo", (unsigned long) fe->st.st_mode);
340 return buffer;
343 /* nlink */
344 static const char *
345 string_file_nlinks (file_entry *fe, int len)
347 static char buffer[BUF_TINY];
349 g_snprintf (buffer, sizeof (buffer), "%16d", (int) fe->st.st_nlink);
350 return buffer;
353 /* inode */
354 static const char *
355 string_inode (file_entry *fe, int len)
357 static char buffer [10];
359 g_snprintf (buffer, sizeof (buffer), "%lu",
360 (unsigned long) fe->st.st_ino);
361 return buffer;
364 /* nuid */
365 static const char *
366 string_file_nuid (file_entry *fe, int len)
368 static char buffer [10];
370 g_snprintf (buffer, sizeof (buffer), "%lu",
371 (unsigned long) fe->st.st_uid);
372 return buffer;
375 /* ngid */
376 static const char *
377 string_file_ngid (file_entry *fe, int len)
379 static char buffer [10];
381 g_snprintf (buffer, sizeof (buffer), "%lu",
382 (unsigned long) fe->st.st_gid);
383 return buffer;
386 /* owner */
387 static const char *
388 string_file_owner (file_entry *fe, int len)
390 return get_owner (fe->st.st_uid);
393 /* group */
394 static const char *
395 string_file_group (file_entry *fe, int len)
397 return get_group (fe->st.st_gid);
400 /* mark */
401 static const char *
402 string_marked (file_entry *fe, int len)
404 return fe->f.marked ? "*" : " ";
407 /* space */
408 static const char *
409 string_space (file_entry *fe, int len)
411 return " ";
414 /* dot */
415 static const char *
416 string_dot (file_entry *fe, int len)
418 return ".";
421 #define GT 1
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 },
454 static char *
455 to_buffer (char *dest, int just_mode, int len, const char *txt)
457 int txtlen = strlen (txt);
458 int still, over;
460 /* Fill buffer with spaces */
461 memset (dest, ' ', len);
463 still = (over=(txtlen > len)) ? (txtlen - len) : (len - txtlen);
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;
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);
485 dest[len] = '\0';
487 return (dest + len);
490 static int
491 file_compute_color (int attr, file_entry *fe)
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);
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);
538 return (NORMAL_COLOR);
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)
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;
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];
557 if (!empty_line)
558 color = file_compute_color (attr, fe);
559 else
560 color = NORMAL_COLOR;
562 for (format = home; format; format = format->next){
564 if (length == width)
565 break;
567 if (format->string_fn){
568 int len;
570 if (empty_line)
571 txt = " ";
572 else
573 txt = (*format->string_fn)(fe, format->field_len);
575 old_pos = cdest;
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;
587 attrset (color);
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);
596 } else {
597 if (attr == SELECTED || attr == MARKED_SELECTED)
598 attrset (SELECTED_COLOR);
599 else
600 attrset (NORMAL_COLOR);
601 one_vline ();
602 length++;
606 if (length < width){
607 int still = width - length;
608 while (still--)
609 addch (' ');
613 static void
614 repaint_file (WPanel *panel, int file_index, int mv, int attr, int isstatus)
616 int second_column = 0;
617 int width, offset;
618 char buffer [BUF_MEDIUM];
620 offset = 0;
621 if (!isstatus && panel->split){
623 second_column = (file_index - panel->top_file) / llines (panel);
624 width = (panel->widget.cols - 2)/2 - 1;
626 if (second_column){
627 offset = 1 + width;
628 width = (panel->widget.cols-2) - (panel->widget.cols-2)/2 - 1;
630 } else
631 width = (panel->widget.cols - 2);
633 /* Nothing to paint */
634 if (width <= 0)
635 return;
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);
647 format_file (buffer, sizeof(buffer), panel, file_index, width, attr, isstatus);
649 if (!isstatus && panel->split){
650 if (second_column)
651 addch (' ');
652 else {
653 attrset (NORMAL_COLOR);
654 one_vline ();
659 static void
660 display_mini_info (WPanel *panel)
662 if (!show_mini_info)
663 return;
665 widget_move (&panel->widget, llines (panel)+3, 1);
667 if (panel->searching){
668 attrset (INPUT_COLOR);
669 tty_printf ("/%-*s", panel->widget.cols-3, panel->search_buffer);
670 attrset (NORMAL_COLOR);
671 return;
674 /* Status displays total marked size */
675 if (panel->marked){
676 char buffer[BUF_SMALL], b_bytes[BUF_SMALL];
677 const char *p = " %-*s";
678 int cols = panel->widget.cols-2;
680 attrset (MARKED_COLOR);
681 tty_printf ("%*s", cols, " ");
682 widget_move (&panel->widget, llines (panel)+3, 1);
685 * This is a trick to use two ngettext() calls in one sentence.
686 * First make "N bytes", then insert it into "X in M files".
688 g_snprintf(b_bytes, sizeof (b_bytes),
689 ngettext("%s byte", "%s bytes",
690 (unsigned long)panel->total),
691 size_trunc_sep(panel->total));
692 g_snprintf(buffer, sizeof (buffer),
693 ngettext("%s in %d file", "%s in %d files", panel->marked),
694 b_bytes, panel->marked);
696 if ((int) strlen (buffer) > cols-2){
697 buffer [cols] = 0;
698 p += 2;
699 } else
700 cols -= 2;
701 tty_printf (p, cols, buffer);
702 return;
705 /* Status resolves links and show them */
706 set_colors (panel);
708 if (S_ISLNK (panel->dir.list [panel->selected].st.st_mode)){
709 char *link, link_target [MC_MAXPATHLEN];
710 int len;
712 link = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
713 len = mc_readlink (link, link_target, MC_MAXPATHLEN - 1);
714 g_free (link);
715 if (len > 0){
716 link_target[len] = 0;
717 tty_printf ("-> %-*s", panel->widget.cols - 5,
718 name_trunc (link_target, panel->widget.cols - 5));
719 } else
720 tty_printf ("%-*s", panel->widget.cols - 2, _("<readlink failed>"));
721 return;
724 /* Default behavior */
725 repaint_file (panel, panel->selected, 0, STATUS, 1);
726 return;
729 static void
730 paint_dir (WPanel *panel)
732 int i;
733 int color; /* Color value of the line */
734 int items; /* Number of items */
736 items = llines (panel) * (panel->split ? 2 : 1);
738 for (i = 0; i < items; i++){
739 if (i+panel->top_file >= panel->count)
740 color = 0;
741 else {
742 color = 2 * (panel->dir.list [i+panel->top_file].f.marked);
743 color += (panel->selected==i+panel->top_file && panel->active);
745 repaint_file (panel, i+panel->top_file, 1, color, 0);
747 standend ();
750 static void
751 mini_info_separator (WPanel *panel)
753 if (!show_mini_info)
754 return;
756 standend ();
757 widget_move (&panel->widget, llines (panel) + 2, 1);
758 #ifdef HAVE_SLANG
759 attrset (NORMAL_COLOR);
760 hline (ACS_HLINE, panel->widget.cols - 2);
761 #else
762 hline ((slow_terminal ? '-' : ACS_HLINE) | NORMAL_COLOR,
763 panel->widget.cols - 2);
764 #endif /* !HAVE_SLANG */
767 static void
768 show_dir (WPanel *panel)
770 char *tmp;
772 set_colors (panel);
773 draw_double_box (panel->widget.parent,
774 panel->widget.y, panel->widget.x,
775 panel->widget.lines, panel->widget.cols);
777 #ifdef HAVE_SLANG
778 if (show_mini_info) {
779 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
780 panel->widget.x, SLSMG_LTEE_CHAR);
781 SLsmg_draw_object (panel->widget.y + llines (panel) + 2,
782 panel->widget.x + panel->widget.cols - 1,
783 SLSMG_RTEE_CHAR);
785 #endif /* HAVE_SLANG */
787 if (panel->active)
788 attrset (REVERSE_COLOR);
790 widget_move (&panel->widget, 0, 3);
791 addch (' ');
793 tmp = g_malloc (panel->widget.cols + 1);
794 tmp[panel->widget.cols] = '\0';
796 trim (strip_home_and_password (panel->cwd), tmp,
797 max (panel->widget.cols - 9, 0));
798 addstr (tmp);
799 g_free (tmp);
801 addch (' ');
802 widget_move (&panel->widget, 0, 1);
803 addstr ("<");
804 widget_move (&panel->widget, 0, panel->widget.cols - 2);
805 addstr (">");
806 widget_move (&panel->widget, 0, panel->widget.cols - 3);
807 addstr ("v");
809 if (panel->active)
810 standend ();
813 /* To be used only by long_frame and full_frame to adjust top_file */
814 static void
815 adjust_top_file (WPanel *panel)
817 int old_top = panel->top_file;
819 if (panel->selected - old_top > llines (panel))
820 panel->top_file = panel->selected;
821 if (old_top - panel->count > llines (panel))
822 panel->top_file = panel->count - llines (panel);
826 * Repaint everything that can change on the panel - title, entries and
827 * mini status. The rest of the frame and the mini status separator are
828 * not repainted.
830 static void
831 panel_update_contents (WPanel *panel)
833 show_dir (panel);
834 paint_dir (panel);
835 display_mini_info (panel);
836 panel->dirty = 0;
839 /* Repaint everything, including frame and separator */
840 static void
841 paint_panel (WPanel *panel)
843 paint_frame (panel);
844 panel_update_contents (panel);
845 mini_info_separator (panel);
849 * Repaint the contents of the panels without frames. To schedule panel
850 * for repainting, set panel->dirty to 1. There are many reasons why
851 * the panels need to be repainted, and this is a costly operation, so
852 * it's done once per event.
854 void
855 update_dirty_panels (void)
857 if (current_panel->dirty)
858 panel_update_contents (current_panel);
860 if ((get_other_type () == view_listing) && other_panel->dirty)
861 panel_update_contents (other_panel);
864 static void
865 do_select (WPanel *panel, int i)
867 if (i != panel->selected) {
868 panel->dirty = 1;
869 panel->selected = i;
870 panel->top_file = panel->selected - (panel->widget.lines - 2) / 2;
871 if (panel->top_file < 0)
872 panel->top_file = 0;
876 static inline void
877 do_try_to_select (WPanel *panel, const char *name)
879 int i;
880 char *subdir;
882 if (!name) {
883 do_select(panel, 0);
884 return;
887 /* We only want the last component of the directory,
888 * and from this only the name without suffix. */
889 subdir = vfs_strip_suffix_from_filename (x_basename(name));
891 /* Search that subdirectory, if found select it */
892 for (i = 0; i < panel->count; i++){
893 if (strcmp (subdir, panel->dir.list [i].fname) == 0) {
894 do_select (panel, i);
895 g_free (subdir);
896 return;
900 /* Try to select a file near the file that is missing */
901 if (panel->selected >= panel->count)
902 do_select (panel, panel->count-1);
903 g_free (subdir);
906 void
907 try_to_select (WPanel *panel, const char *name)
909 do_try_to_select (panel, name);
910 select_item (panel);
913 void
914 panel_update_cols (Widget *widget, int frame_size)
916 int cols, origin;
918 if (horizontal_split){
919 widget->cols = COLS;
920 return;
923 if (frame_size == frame_full){
924 cols = COLS;
925 origin = 0;
926 } else {
927 if (widget == get_panel_widget (0)){
928 cols = first_panel_size;
929 origin = 0;
930 } else {
931 cols = COLS-first_panel_size;
932 origin = first_panel_size;
936 widget->cols = cols;
937 widget->x = origin;
940 static char *
941 panel_save_name (WPanel *panel)
943 extern int saving_setup;
945 /* If the program is shuting down */
946 if ((midnight_shutdown && auto_save_setup) || saving_setup)
947 return g_strdup (panel->panel_name);
948 else
949 return g_strconcat ("Temporal:", panel->panel_name, (char *) NULL);
952 static void
953 panel_destroy (WPanel *p)
955 int i;
957 char *name = panel_save_name (p);
959 panel_save_setup (p, name);
960 panel_clean_dir (p);
962 /* save and clean history */
963 if (p->dir_history) {
964 history_put (p->hist_name, p->dir_history);
966 p->dir_history = g_list_first (p->dir_history);
967 g_list_foreach (p->dir_history, (GFunc) g_free, NULL);
968 g_list_free (p->dir_history);
971 g_free (p->hist_name);
973 delete_format (p->format);
974 delete_format (p->status_format);
976 g_free (p->user_format);
977 for (i = 0; i < LIST_TYPES; i++)
978 g_free (p->user_status_format[i]);
979 g_free (p->dir.list);
980 g_free (p->panel_name);
981 g_free (name);
984 static void
985 panel_format_modified (WPanel *panel)
987 panel->format_modified = 1;
990 /* Panel creation */
991 /* The parameter specifies the name of the panel for setup retieving */
992 WPanel *
993 panel_new (const char *panel_name)
995 WPanel *panel;
996 char *section;
997 int i, err;
999 panel = g_new0 (WPanel, 1);
1001 /* No know sizes of the panel at startup */
1002 init_widget (&panel->widget, 0, 0, 0, 0, panel_callback, panel_event);
1004 /* We do not want the cursor */
1005 widget_want_cursor (panel->widget, 0);
1007 mc_get_current_wd (panel->cwd, sizeof (panel->cwd) - 2);
1008 strcpy (panel->lwd, ".");
1010 panel->hist_name = g_strconcat ("Dir Hist ", panel_name, (char *) NULL);
1011 panel->dir_history = history_get (panel->hist_name);
1012 directory_history_add (panel, panel->cwd);
1014 panel->dir.list = g_new (file_entry, MIN_FILES);
1015 panel->dir.size = MIN_FILES;
1016 panel->active = 0;
1017 panel->filter = 0;
1018 panel->split = 0;
1019 panel->top_file = 0;
1020 panel->selected = 0;
1021 panel->marked = 0;
1022 panel->total = 0;
1023 panel->reverse = 0;
1024 panel->dirty = 1;
1025 panel->searching = 0;
1026 panel->dirs_marked = 0;
1027 panel->is_panelized = 0;
1028 panel->format = 0;
1029 panel->status_format = 0;
1030 panel->format_modified = 1;
1032 panel->panel_name = g_strdup (panel_name);
1033 panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
1035 for (i = 0; i < LIST_TYPES; i++)
1036 panel->user_status_format[i] = g_strdup (DEFAULT_USER_FORMAT);
1038 panel->search_buffer[0] = 0;
1039 panel->frame_size = frame_half;
1040 section = g_strconcat ("Temporal:", panel->panel_name, (char *) NULL);
1041 if (!profile_has_section (section, profile_name)) {
1042 g_free (section);
1043 section = g_strdup (panel->panel_name);
1045 panel_load_setup (panel, section);
1046 g_free (section);
1048 /* Load format strings */
1049 err = set_panel_formats (panel);
1050 if (err) {
1051 set_panel_formats (panel);
1054 /* Load the default format */
1055 panel->count =
1056 do_load_dir (panel->cwd, &panel->dir, panel->sort_type,
1057 panel->reverse, panel->case_sensitive, panel->filter);
1058 return panel;
1061 void
1062 panel_reload (WPanel *panel)
1064 struct stat current_stat;
1066 if (fast_reload && !stat (panel->cwd, &current_stat)
1067 && current_stat.st_ctime == panel->dir_stat.st_ctime
1068 && current_stat.st_mtime == panel->dir_stat.st_mtime)
1069 return;
1071 while (mc_chdir (panel->cwd) == -1) {
1072 char *last_slash;
1074 if (panel->cwd[0] == PATH_SEP && panel->cwd[1] == 0) {
1075 panel_clean_dir (panel);
1076 panel->count = set_zero_dir (&panel->dir);
1077 return;
1079 last_slash = strrchr (panel->cwd, PATH_SEP);
1080 if (!last_slash || last_slash == panel->cwd)
1081 strcpy (panel->cwd, PATH_SEP_STR);
1082 else
1083 *last_slash = 0;
1084 memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
1085 show_dir (panel);
1088 panel->count =
1089 do_reload_dir (panel->cwd, &panel->dir, panel->sort_type,
1090 panel->count, panel->reverse, panel->case_sensitive,
1091 panel->filter);
1093 panel->dirty = 1;
1094 if (panel->selected >= panel->count)
1095 do_select (panel, panel->count - 1);
1097 recalculate_panel_summary (panel);
1100 static void
1101 paint_frame (WPanel *panel)
1103 int header_len;
1104 int spaces, extra;
1105 int side, width;
1107 const char *txt;
1108 if (!panel->split)
1109 adjust_top_file (panel);
1111 widget_erase (&panel->widget);
1112 show_dir (panel);
1114 widget_move (&panel->widget, 1, 1);
1116 for (side = 0; side <= panel->split; side++){
1117 format_e *format;
1119 if (side){
1120 attrset (NORMAL_COLOR);
1121 one_vline ();
1122 width = panel->widget.cols - panel->widget.cols/2 - 1;
1123 } else if (panel->split)
1124 width = panel->widget.cols/2 - 3;
1125 else
1126 width = panel->widget.cols - 2;
1128 for (format = panel->format; format; format = format->next){
1129 if (format->string_fn){
1130 txt = format->title;
1132 header_len = strlen (txt);
1133 if (header_len > format->field_len)
1134 header_len = format->field_len;
1136 attrset (MARKED_COLOR);
1137 spaces = (format->field_len - header_len) / 2;
1138 extra = (format->field_len - header_len) % 2;
1139 tty_printf ("%*s%.*s%*s", spaces, "",
1140 header_len, txt, spaces+extra, "");
1141 width -= 2 * spaces + extra + header_len;
1142 } else {
1143 attrset (NORMAL_COLOR);
1144 one_vline ();
1145 width --;
1146 continue;
1150 if (width > 0)
1151 tty_printf ("%*s", width, "");
1155 static const char *
1156 parse_panel_size (WPanel *panel, const char *format, int isstatus)
1158 int frame = frame_half;
1159 format = skip_separators (format);
1161 if (!strncmp (format, "full", 4)){
1162 frame = frame_full;
1163 format += 4;
1164 } else if (!strncmp (format, "half", 4)){
1165 frame = frame_half;
1166 format += 4;
1169 if (!isstatus){
1170 panel->frame_size = frame;
1171 panel->split = 0;
1174 /* Now, the optional column specifier */
1175 format = skip_separators (format);
1177 if (*format == '1' || *format == '2'){
1178 if (!isstatus)
1179 panel->split = *format == '2';
1180 format++;
1183 if (!isstatus)
1184 panel_update_cols (&(panel->widget), panel->frame_size);
1186 return skip_separators (format);
1189 /* Format is:
1191 all := panel_format? format
1192 panel_format := [full|half] [1|2]
1193 format := one_format_e
1194 | format , one_format_e
1196 one_format_e := just format.id [opt_size]
1197 just := [<=>]
1198 opt_size := : size [opt_expand]
1199 size := [0-9]+
1200 opt_expand := +
1204 static format_e *
1205 parse_display_format (WPanel *panel, const char *format, char **error, int isstatus, int *res_total_cols)
1207 format_e *darr, *old = 0, *home = 0; /* The formats we return */
1208 int total_cols = 0; /* Used columns by the format */
1209 int set_justify; /* flag: set justification mode? */
1210 int justify = 0; /* Which mode. */
1211 int items = 0; /* Number of items in the format */
1212 size_t i;
1214 static size_t i18n_timelength = 0; /* flag: check ?Time length at startup */
1216 *error = 0;
1218 if (i18n_timelength == 0) {
1219 i18n_timelength = i18n_checktimelength (); /* Musn't be 0 */
1221 for (i = 0; i < ELEMENTS(formats); i++)
1222 if (strcmp ("time", formats [i].id+1) == 0)
1223 formats [i].min_size = i18n_timelength;
1227 * This makes sure that the panel and mini status full/half mode
1228 * setting is equal
1230 format = parse_panel_size (panel, format, isstatus);
1232 while (*format){ /* format can be an empty string */
1233 int found = 0;
1235 darr = g_new (format_e, 1);
1237 /* I'm so ugly, don't look at me :-) */
1238 if (!home)
1239 home = old = darr;
1241 old->next = darr;
1242 darr->next = 0;
1243 old = darr;
1245 format = skip_separators (format);
1247 if (strchr ("<=>", *format)){
1248 set_justify = 1;
1249 switch (*format)
1251 case '<':
1252 justify = J_LEFT;
1253 break;
1254 case '=':
1255 justify = J_CENTER;
1256 break;
1257 case '>':
1258 default:
1259 justify = J_RIGHT;
1260 break;
1262 format = skip_separators (format+1);
1263 } else
1264 set_justify = 0;
1266 for (i = 0; i < ELEMENTS(formats); i++){
1267 int klen = strlen (formats [i].id);
1269 if (strncmp (format, formats [i].id, klen) != 0)
1270 continue;
1272 format += klen;
1274 if (formats [i].use_in_gui)
1275 items++;
1277 darr->requested_field_len = formats [i].min_size;
1278 darr->string_fn = formats [i].string_fn;
1279 if (formats [i].title [0])
1280 darr->title = _(formats [i].title);
1281 else
1282 darr->title = "";
1283 darr->id = formats [i].id;
1284 darr->expand = formats [i].expands;
1285 darr->just_mode = formats [i].default_just;
1287 if (set_justify) {
1288 if (IS_FIT(darr->just_mode))
1289 darr->just_mode = MAKE_FIT(justify);
1290 else
1291 darr->just_mode = justify;
1293 found = 1;
1295 format = skip_separators (format);
1297 /* If we have a size specifier */
1298 if (*format == ':'){
1299 int req_length;
1301 /* If the size was specified, we don't want
1302 * auto-expansion by default
1304 darr->expand = 0;
1305 format++;
1306 req_length = atoi (format);
1307 darr->requested_field_len = req_length;
1309 format = skip_numbers (format);
1311 /* Now, if they insist on expansion */
1312 if (*format == '+'){
1313 darr->expand = 1;
1314 format++;
1319 break;
1321 if (!found){
1322 char *tmp_format = g_strdup (format);
1324 int pos = min (8, strlen (format));
1325 delete_format (home);
1326 tmp_format [pos] = 0;
1327 *error = g_strconcat (_("Unknown tag on display format: "), tmp_format, (char *) NULL);
1328 g_free (tmp_format);
1329 return 0;
1331 total_cols += darr->requested_field_len;
1334 *res_total_cols = total_cols;
1335 return home;
1338 static format_e *
1339 use_display_format (WPanel *panel, const char *format, char **error, int isstatus)
1341 #define MAX_EXPAND 4
1342 int expand_top = 0; /* Max used element in expand */
1343 int usable_columns; /* Usable columns in the panel */
1344 int total_cols = 0;
1345 int i;
1346 format_e *darr, *home;
1348 if (!format)
1349 format = DEFAULT_USER_FORMAT;
1351 home = parse_display_format (panel, format, error, isstatus, &total_cols);
1353 if (*error)
1354 return 0;
1356 panel->dirty = 1;
1358 /* Status needn't to be split */
1359 usable_columns = ((panel->widget.cols-2)/((isstatus)
1361 : (panel->split+1))) - (!isstatus && panel->split);
1363 /* Look for the expandable fields and set field_len based on the requested field len */
1364 for (darr = home; darr && expand_top < MAX_EXPAND; darr = darr->next){
1365 darr->field_len = darr->requested_field_len;
1366 if (darr->expand)
1367 expand_top++;
1370 /* If we used more columns than the available columns, adjust that */
1371 if (total_cols > usable_columns){
1372 int pdif, dif = total_cols - usable_columns;
1374 while (dif){
1375 pdif = dif;
1376 for (darr = home; darr; darr = darr->next){
1377 if (dif && darr->field_len - 1){
1378 darr->field_len--;
1379 dif--;
1383 /* avoid endless loop if num fields > 40 */
1384 if (pdif == dif)
1385 break;
1387 total_cols = usable_columns; /* give up, the rest should be truncated */
1390 /* Expand the available space */
1391 if ((usable_columns > total_cols) && expand_top){
1392 int spaces = (usable_columns - total_cols) / expand_top;
1393 int extra = (usable_columns - total_cols) % expand_top;
1395 for (i = 0, darr = home; darr && (i < expand_top); darr = darr->next)
1396 if (darr->expand){
1397 darr->field_len += (spaces + ((i == 0) ? extra : 0));
1398 i++;
1401 return home;
1404 /* Switches the panel to the mode specified in the format */
1405 /* Seting up both format and status string. Return: 0 - on success; */
1406 /* 1 - format error; 2 - status error; 3 - errors in both formats. */
1408 set_panel_formats (WPanel *p)
1410 format_e *form;
1411 char *err;
1412 int retcode = 0;
1414 form = use_display_format (p, panel_format (p), &err, 0);
1416 if (err){
1417 g_free (err);
1418 retcode = 1;
1420 else {
1421 if (p->format)
1422 delete_format (p->format);
1424 p->format = form;
1427 if (show_mini_info){
1429 form = use_display_format (p, mini_status_format (p), &err, 1);
1431 if (err){
1432 g_free (err);
1433 retcode += 2;
1435 else {
1436 if (p->status_format)
1437 delete_format (p->status_format);
1439 p->status_format = form;
1443 panel_format_modified (p);
1444 panel_update_cols (&(p->widget), p->frame_size);
1446 if (retcode)
1447 message( 1, _("Warning" ), _( "User supplied format looks invalid, reverting to default." ) );
1448 if (retcode & 0x01){
1449 g_free (p->user_format);
1450 p->user_format = g_strdup (DEFAULT_USER_FORMAT);
1452 if (retcode & 0x02){
1453 g_free (p->user_status_format [p->list_type]);
1454 p->user_status_format [p->list_type] = g_strdup (DEFAULT_USER_FORMAT);
1457 return retcode;
1460 /* Given the panel->view_type returns the format string to be parsed */
1461 static const char *
1462 panel_format (WPanel *panel)
1464 switch (panel->list_type){
1466 case list_long:
1467 return "full perm space nlink space owner space group space size space mtime space name";
1469 case list_brief:
1470 return "half 2 type name";
1472 case list_user:
1473 return panel->user_format;
1475 default:
1476 case list_full:
1477 return "half type name | size | mtime";
1481 static const char *
1482 mini_status_format (WPanel *panel)
1484 if (panel->user_mini_status)
1485 return panel->user_status_format [panel->list_type];
1487 switch (panel->list_type){
1489 case list_long:
1490 return "full perm space nlink space owner space group space size space mtime space name";
1492 case list_brief:
1493 return "half type name space bsize space perm space";
1495 case list_full:
1496 return "half type name";
1498 default:
1499 case list_user:
1500 return panel->user_format;
1504 /* */
1505 /* Panel operation commands */
1506 /* */
1508 /* Returns the number of items in the given panel */
1509 static int
1510 ITEMS (WPanel *p)
1512 if (p->split)
1513 return llines (p) * 2;
1514 else
1515 return llines (p);
1518 /* Select current item and readjust the panel */
1519 void
1520 select_item (WPanel *panel)
1522 int items = ITEMS (panel);
1524 /* Although currently all over the code we set the selection and
1525 top file to decent values before calling select_item, I could
1526 forget it someday, so it's better to do the actual fitting here */
1528 if (panel->top_file < 0)
1529 panel->top_file = 0;
1531 if (panel->selected < 0)
1532 panel->selected = 0;
1534 if (panel->selected > panel->count - 1)
1535 panel->selected = panel->count - 1;
1537 if (panel->top_file > panel->count - 1)
1538 panel->top_file = panel->count - 1;
1540 if ((panel->count - panel->top_file) < items) {
1541 panel->top_file = panel->count - items;
1542 if (panel->top_file < 0)
1543 panel->top_file = 0;
1546 if (panel->selected < panel->top_file)
1547 panel->top_file = panel->selected;
1549 if ((panel->selected - panel->top_file) >= items)
1550 panel->top_file = panel->selected - items + 1;
1552 panel->dirty = 1;
1554 execute_hooks (select_file_hook);
1557 /* Clears all files in the panel, used only when one file was marked */
1558 void
1559 unmark_files (WPanel *panel)
1561 int i;
1563 if (!panel->marked)
1564 return;
1565 for (i = 0; i < panel->count; i++)
1566 file_mark (panel, i, 0);
1568 panel->dirs_marked = 0;
1569 panel->marked = 0;
1570 panel->total = 0;
1573 static void
1574 unselect_item (WPanel *panel)
1576 repaint_file (panel, panel->selected, 1, 2*selection (panel)->f.marked, 0);
1579 static void
1580 move_down (WPanel *panel)
1582 if (panel->selected+1 == panel->count)
1583 return;
1585 unselect_item (panel);
1586 panel->selected++;
1588 if (panel->selected - panel->top_file == ITEMS (panel) &&
1589 panel_scroll_pages){
1590 /* Scroll window half screen */
1591 panel->top_file += ITEMS (panel)/2;
1592 if (panel->top_file > panel->count - ITEMS (panel))
1593 panel->top_file = panel->count - ITEMS (panel);
1594 paint_dir (panel);
1595 select_item (panel);
1597 select_item (panel);
1600 static void
1601 move_up (WPanel *panel)
1603 if (panel->selected == 0)
1604 return;
1606 unselect_item (panel);
1607 panel->selected--;
1608 if (panel->selected < panel->top_file && panel_scroll_pages){
1609 /* Scroll window half screen */
1610 panel->top_file -= ITEMS (panel)/2;
1611 if (panel->top_file < 0) panel->top_file = 0;
1612 paint_dir (panel);
1614 select_item (panel);
1617 /* Changes the selection by lines (may be negative) */
1618 static void
1619 move_selection (WPanel *panel, int lines)
1621 int new_pos;
1622 int adjust = 0;
1624 new_pos = panel->selected + lines;
1625 if (new_pos >= panel->count)
1626 new_pos = panel->count-1;
1628 if (new_pos < 0)
1629 new_pos = 0;
1631 unselect_item (panel);
1632 panel->selected = new_pos;
1634 if (panel->selected - panel->top_file >= ITEMS (panel)){
1635 panel->top_file += lines;
1636 adjust = 1;
1639 if (panel->selected - panel->top_file < 0){
1640 panel->top_file += lines;
1641 adjust = 1;
1644 if (adjust){
1645 if (panel->top_file > panel->selected)
1646 panel->top_file = panel->selected;
1647 if (panel->top_file < 0)
1648 panel->top_file = 0;
1649 paint_dir (panel);
1651 select_item (panel);
1654 static cb_ret_t
1655 move_left (WPanel *panel, int c_code)
1657 if (panel->split) {
1658 move_selection (panel, -llines (panel));
1659 return MSG_HANDLED;
1660 } else
1661 return maybe_cd (1); /* cd .. */
1664 static int
1665 move_right (WPanel *panel, int c_code)
1667 if (panel->split) {
1668 move_selection (panel, llines (panel));
1669 return MSG_HANDLED;
1670 } else
1671 return maybe_cd (0); /* cd (selection) */
1674 static void
1675 prev_page (WPanel *panel)
1677 int items;
1679 if (!panel->selected && !panel->top_file)
1680 return;
1681 unselect_item (panel);
1682 items = ITEMS (panel);
1683 if (panel->top_file < items)
1684 items = panel->top_file;
1685 if (!items)
1686 panel->selected = 0;
1687 else
1688 panel->selected -= items;
1689 panel->top_file -= items;
1691 /* This keeps the selection in a reasonable place */
1692 if (panel->selected < 0)
1693 panel->selected = 0;
1694 if (panel->top_file < 0)
1695 panel->top_file = 0;
1696 select_item (panel);
1697 paint_dir (panel);
1700 static void
1701 ctrl_prev_page (WPanel *panel)
1703 do_cd ("..", cd_exact);
1706 static void
1707 next_page (WPanel *panel)
1709 int items;
1711 if (panel->selected == panel->count - 1)
1712 return;
1713 unselect_item (panel);
1714 items = ITEMS (panel);
1715 if (panel->top_file > panel->count - 2 * items)
1716 items = panel->count - items - panel->top_file;
1717 if (panel->top_file + items < 0)
1718 items = -panel->top_file;
1719 if (!items)
1720 panel->selected = panel->count - 1;
1721 else
1722 panel->selected += items;
1723 panel->top_file += items;
1725 /* This keeps the selection in it's relative position */
1726 if (panel->selected >= panel->count)
1727 panel->selected = panel->count - 1;
1728 if (panel->top_file >= panel->count)
1729 panel->top_file = panel->count - 1;
1730 select_item (panel);
1731 paint_dir (panel);
1734 static void
1735 ctrl_next_page (WPanel *panel)
1737 if ((S_ISDIR (selection (panel)->st.st_mode)
1738 || link_isdir (selection (panel)))) {
1739 do_cd (selection (panel)->fname, cd_exact);
1743 static void
1744 goto_top_file (WPanel *panel)
1746 unselect_item (panel);
1747 panel->selected = panel->top_file;
1748 select_item (panel);
1751 static void
1752 goto_middle_file (WPanel *panel)
1754 unselect_item (panel);
1755 panel->selected = panel->top_file + (ITEMS (panel)/2);
1756 if (panel->selected >= panel->count)
1757 panel->selected = panel->count - 1;
1758 select_item (panel);
1761 static void
1762 goto_bottom_file (WPanel *panel)
1764 unselect_item (panel);
1765 panel->selected = panel->top_file + ITEMS (panel)-1;
1766 if (panel->selected >= panel->count)
1767 panel->selected = panel->count - 1;
1768 select_item (panel);
1771 static void
1772 move_home (WPanel *panel)
1774 if (panel->selected == 0)
1775 return;
1776 unselect_item (panel);
1778 if (torben_fj_mode){
1779 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1781 if (panel->selected > middle_pos){
1782 goto_middle_file (panel);
1783 return;
1785 if (panel->selected != panel->top_file){
1786 goto_top_file (panel);
1787 return;
1791 panel->top_file = 0;
1792 panel->selected = 0;
1794 paint_dir (panel);
1795 select_item (panel);
1798 static void
1799 move_end (WPanel *panel)
1801 if (panel->selected == panel->count-1)
1802 return;
1803 unselect_item (panel);
1804 if (torben_fj_mode){
1805 int middle_pos = panel->top_file + (ITEMS (panel)/2);
1807 if (panel->selected < middle_pos){
1808 goto_middle_file (panel);
1809 return;
1811 if (panel->selected != (panel->top_file + ITEMS(panel)-1)){
1812 goto_bottom_file (panel);
1813 return;
1817 panel->selected = panel->count-1;
1818 paint_dir (panel);
1819 select_item (panel);
1822 /* Recalculate the panels summary information, used e.g. when marked
1823 files might have been removed by an external command */
1824 void
1825 recalculate_panel_summary (WPanel *panel)
1827 int i;
1829 panel->marked = 0;
1830 panel->dirs_marked = 0;
1831 panel->total = 0;
1833 for (i = 0; i < panel->count; i++)
1834 if (panel->dir.list [i].f.marked){
1835 /* do_file_mark will return immediately if newmark == oldmark.
1836 So we have to first unmark it to get panel's summary information
1837 updated. (Norbert) */
1838 panel->dir.list [i].f.marked = 0;
1839 do_file_mark (panel, i, 1);
1843 /* This routine marks a file or a directory */
1844 void
1845 do_file_mark (WPanel *panel, int idx, int mark)
1847 if (panel->dir.list[idx].f.marked == mark)
1848 return;
1850 /* Only '..' can't be marked, '.' isn't visible */
1851 if (!strcmp (panel->dir.list[idx].fname, ".."))
1852 return;
1854 file_mark (panel, idx, mark);
1855 if (panel->dir.list[idx].f.marked) {
1856 panel->marked++;
1857 if (S_ISDIR (panel->dir.list[idx].st.st_mode)) {
1858 if (panel->dir.list[idx].f.dir_size_computed)
1859 panel->total += panel->dir.list[idx].st.st_size;
1860 panel->dirs_marked++;
1861 } else
1862 panel->total += panel->dir.list[idx].st.st_size;
1863 set_colors (panel);
1864 } else {
1865 if (S_ISDIR (panel->dir.list[idx].st.st_mode)) {
1866 if (panel->dir.list[idx].f.dir_size_computed)
1867 panel->total -= panel->dir.list[idx].st.st_size;
1868 panel->dirs_marked--;
1869 } else
1870 panel->total -= panel->dir.list[idx].st.st_size;
1871 panel->marked--;
1875 static void
1876 do_mark_file (WPanel *panel, int do_move)
1878 do_file_mark (panel, panel->selected,
1879 selection (panel)->f.marked ? 0 : 1);
1880 if (mark_moves_down && do_move)
1881 move_down (panel);
1884 static void
1885 mark_file (WPanel *panel)
1887 do_mark_file (panel, 1);
1890 /* Incremental search of a file name in the panel */
1891 static void
1892 do_search (WPanel *panel, int c_code)
1894 size_t l;
1895 int i;
1896 int wrapped = 0;
1897 int found;
1899 l = strlen (panel->search_buffer);
1900 if (c_code == KEY_BACKSPACE) {
1901 if (l)
1902 panel->search_buffer[--l] = '\0';
1903 } else {
1904 if (c_code && l < sizeof (panel->search_buffer)) {
1905 panel->search_buffer[l] = c_code;
1906 panel->search_buffer[l + 1] = 0;
1907 l++;
1911 found = 0;
1912 for (i = panel->selected; !wrapped || i != panel->selected; i++) {
1913 if (i >= panel->count) {
1914 i = 0;
1915 if (wrapped)
1916 break;
1917 wrapped = 1;
1919 if (panel->
1920 case_sensitive
1921 ? (strncmp (panel->dir.list[i].fname, panel->search_buffer, l)
1922 == 0) : (g_strncasecmp (panel->dir.list[i].fname,
1923 panel->search_buffer, l) == 0)) {
1924 unselect_item (panel);
1925 panel->selected = i;
1926 select_item (panel);
1927 found = 1;
1928 break;
1931 if (!found)
1932 panel->search_buffer[--l] = 0;
1934 paint_panel (panel);
1937 static void
1938 start_search (WPanel *panel)
1940 if (panel->searching){
1941 if (panel->selected+1 == panel->count)
1942 panel->selected = 0;
1943 else
1944 move_down (panel);
1945 do_search (panel, 0);
1946 } else {
1947 panel->searching = 1;
1948 panel->search_buffer [0] = 0;
1949 display_mini_info (panel);
1950 mc_refresh ();
1954 /* Return 1 if the Enter key has been processed, 0 otherwise */
1955 static int
1956 do_enter_on_file_entry (file_entry *fe)
1958 char *full_name;
1961 * Directory or link to directory - change directory.
1962 * Try the same for the entries on which mc_lstat() has failed.
1964 if (S_ISDIR (fe->st.st_mode) || link_isdir (fe)
1965 || (fe->st.st_mode == 0)) {
1966 if (!do_cd (fe->fname, cd_exact))
1967 message (1, MSG_ERROR, _("Cannot change directory"));
1968 return 1;
1971 /* Try associated command */
1972 if (regex_command (fe->fname, "Open", 0) != 0)
1973 return 1;
1975 /* Check if the file is executable */
1976 full_name = concat_dir_and_file (current_panel->cwd, fe->fname);
1977 if (!is_exe (fe->st.st_mode) || !if_link_is_exe (full_name, fe)) {
1978 g_free (full_name);
1979 return 0;
1981 g_free (full_name);
1983 if (confirm_execute) {
1984 if (query_dialog
1985 (_(" The Midnight Commander "),
1986 _(" Do you really want to execute? "), 0, 2, _("&Yes"),
1987 _("&No")) != 0)
1988 return 1;
1990 #ifdef USE_VFS
1991 if (!vfs_current_is_local ()) {
1992 char *tmp;
1993 int ret;
1995 tmp = concat_dir_and_file (vfs_get_current_dir (), fe->fname);
1996 ret = mc_setctl (tmp, VFS_SETCTL_RUN, NULL);
1997 g_free (tmp);
1998 /* We took action only if the dialog was shown or the execution
1999 * was successful */
2000 return confirm_execute || (ret == 0);
2002 #endif
2005 char *tmp = name_quote (fe->fname, 0);
2006 char *cmd = g_strconcat (".", PATH_SEP_STR, tmp, (char *) NULL);
2007 g_free (tmp);
2008 shell_execute (cmd, 0);
2009 g_free (cmd);
2012 return 1;
2015 static int
2016 do_enter (WPanel *panel)
2018 return do_enter_on_file_entry (selection (panel));
2021 static void
2022 chdir_other_panel (WPanel *panel)
2024 char *new_dir;
2025 char *sel_entry = NULL;
2027 if (get_other_type () != view_listing) {
2028 set_display_type (get_other_index (), view_listing);
2031 if (!S_ISDIR (panel->dir.list [panel->selected].st.st_mode)) {
2032 new_dir = concat_dir_and_file (panel->cwd, "..");
2033 sel_entry = strrchr(panel->cwd, PATH_SEP);
2034 } else
2035 new_dir = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
2037 change_panel ();
2038 do_cd (new_dir, cd_exact);
2039 if (sel_entry)
2040 try_to_select (current_panel, sel_entry);
2041 change_panel ();
2043 move_down (panel);
2045 g_free (new_dir);
2049 * Make the current directory of the current panel also the current
2050 * directory of the other panel. Put the other panel to the listing
2051 * mode if needed. If the current panel is panelized, the other panel
2052 * doesn't become panelized.
2054 static void
2055 sync_other_panel (WPanel *panel)
2057 if (get_other_type () != view_listing) {
2058 set_display_type (get_other_index (), view_listing);
2061 do_panel_cd (other_panel, current_panel->cwd, cd_exact);
2063 /* try to select current filename on the other panel */
2064 if (!panel->is_panelized) {
2065 try_to_select (other_panel, selection (panel)->fname);
2069 static void
2070 chdir_to_readlink (WPanel *panel)
2072 char *new_dir;
2074 if (get_other_type () != view_listing)
2075 return;
2077 if (S_ISLNK (panel->dir.list [panel->selected].st.st_mode)) {
2078 char buffer [MC_MAXPATHLEN], *p;
2079 int i;
2080 struct stat st;
2082 i = readlink (selection (panel)->fname, buffer, MC_MAXPATHLEN - 1);
2083 if (i < 0)
2084 return;
2085 if (mc_stat (selection (panel)->fname, &st) < 0)
2086 return;
2087 buffer [i] = 0;
2088 if (!S_ISDIR (st.st_mode)) {
2089 p = strrchr (buffer, PATH_SEP);
2090 if (p && !p[1]) {
2091 *p = 0;
2092 p = strrchr (buffer, PATH_SEP);
2094 if (!p)
2095 return;
2096 p[1] = 0;
2098 if (*buffer == PATH_SEP)
2099 new_dir = g_strdup (buffer);
2100 else
2101 new_dir = concat_dir_and_file (panel->cwd, buffer);
2103 change_panel ();
2104 do_cd (new_dir, cd_exact);
2105 change_panel ();
2107 move_down (panel);
2109 g_free (new_dir);
2113 typedef void (*panel_key_callback) (WPanel *);
2114 typedef struct {
2115 int key_code;
2116 panel_key_callback fn;
2117 } panel_key_map;
2119 static void cmd_do_enter(WPanel *wp) { (void) do_enter(wp); }
2120 static void cmd_view_simple(WPanel *wp) { view_simple_cmd(); }
2121 static void cmd_edit_new(WPanel *wp) { edit_cmd_new(); }
2122 static void cmd_copy_local(WPanel *wp) { copy_cmd_local(); }
2123 static void cmd_rename_local(WPanel *wp) { ren_cmd_local(); }
2124 static void cmd_delete_local(WPanel *wp) { delete_cmd_local(); }
2125 static void cmd_select(WPanel *wp) { select_cmd(); }
2126 static void cmd_unselect(WPanel *wp) { unselect_cmd(); }
2127 static void cmd_reverse_selection(WPanel *wp) { reverse_selection_cmd(); }
2129 static const panel_key_map panel_keymap [] = {
2130 { KEY_DOWN, move_down },
2131 { KEY_UP, move_up },
2133 /* The action button :-) */
2134 { '\n', cmd_do_enter },
2135 { KEY_ENTER, cmd_do_enter },
2137 { KEY_IC, mark_file },
2138 { KEY_HOME, move_home },
2139 { KEY_A1, move_home },
2140 { ALT ('<'), move_home },
2141 { KEY_C1, move_end },
2142 { KEY_END, move_end },
2143 { ALT ('>'), move_end },
2144 { KEY_NPAGE, next_page },
2145 { KEY_PPAGE, prev_page },
2146 { KEY_NPAGE | KEY_M_CTRL, ctrl_next_page },
2147 { KEY_PPAGE | KEY_M_CTRL, ctrl_prev_page },
2149 /* To quickly move in the panel */
2150 { ALT('g'), goto_top_file },
2151 { ALT('r'), goto_middle_file }, /* M-r like emacs */
2152 { ALT('j'), goto_bottom_file },
2154 /* Emacs-like bindings */
2155 { XCTRL('v'), next_page }, /* C-v like emacs */
2156 { ALT('v'), prev_page }, /* M-v like emacs */
2157 { XCTRL('p'), move_up }, /* C-p like emacs */
2158 { XCTRL('n'), move_down }, /* C-n like emacs */
2159 { XCTRL('s'), start_search }, /* C-s like emacs */
2160 { ALT('s'), start_search }, /* M-s not like emacs */
2161 { XCTRL('t'), mark_file },
2162 { ALT('o'), chdir_other_panel },
2163 { ALT('i'), sync_other_panel },
2164 { ALT('l'), chdir_to_readlink },
2165 { ALT('H'), directory_history_list },
2166 { KEY_F(13), cmd_view_simple },
2167 { KEY_F(14), cmd_edit_new },
2168 { KEY_F(15), cmd_copy_local },
2169 { KEY_F(16), cmd_rename_local },
2170 { KEY_F(18), cmd_delete_local },
2171 { ALT('y'), directory_history_prev },
2172 { ALT('u'), directory_history_next },
2173 { ALT('+'), cmd_select },
2174 { KEY_KP_ADD, cmd_select },
2175 { ALT('\\'), cmd_unselect },
2176 { ALT('-'), cmd_unselect },
2177 { KEY_KP_SUBTRACT, cmd_unselect },
2178 { ALT('*'), cmd_reverse_selection },
2179 { KEY_KP_MULTIPLY, cmd_reverse_selection },
2180 { 0, 0 }
2183 static inline cb_ret_t
2184 panel_key (WPanel *panel, int key)
2186 int i;
2188 for (i = 0; panel_keymap[i].key_code; i++) {
2189 if (key == panel_keymap[i].key_code) {
2190 int old_searching = panel->searching;
2192 if (panel_keymap[i].fn != start_search)
2193 panel->searching = 0;
2195 (*panel_keymap[i].fn) (panel);
2197 if (panel->searching != old_searching)
2198 display_mini_info (panel);
2199 return MSG_HANDLED;
2202 if (torben_fj_mode && key == ALT ('h')) {
2203 goto_middle_file (panel);
2204 return MSG_HANDLED;
2207 /* We do not want to take a key press if nothing can be done with it */
2208 /* The command line widget may do something more useful */
2209 if (key == KEY_LEFT)
2210 return move_left (panel, key);
2212 if (key == KEY_RIGHT)
2213 return move_right (panel, key);
2215 if (is_abort_char (key)) {
2216 panel->searching = 0;
2217 display_mini_info (panel);
2218 return MSG_HANDLED;
2221 /* Do not eat characters not meant for the panel below ' ' (e.g. C-l). */
2222 if ((key >= ' ' && key <= 255) || key == KEY_BACKSPACE) {
2223 if (panel->searching) {
2224 do_search (panel, key);
2225 return MSG_HANDLED;
2228 if (!command_prompt) {
2229 start_search (panel);
2230 do_search (panel, key);
2231 return MSG_HANDLED;
2235 return MSG_NOT_HANDLED;
2238 static cb_ret_t
2239 panel_callback (Widget *w, widget_msg_t msg, int parm)
2241 WPanel *panel = (WPanel *) w;
2242 Dlg_head *h = panel->widget.parent;
2244 switch (msg) {
2245 case WIDGET_DRAW:
2246 paint_panel (panel);
2247 return MSG_HANDLED;
2249 case WIDGET_FOCUS:
2250 current_panel = panel;
2251 panel->active = 1;
2252 if (mc_chdir (panel->cwd) != 0) {
2253 char *cwd = strip_password (g_strdup (panel->cwd), 1);
2254 message (1, MSG_ERROR, _(" Cannot chdir to \"%s\" \n %s "),
2255 cwd, unix_error_string (errno));
2256 g_free(cwd);
2257 } else
2258 subshell_chdir (panel->cwd);
2260 update_xterm_title_path ();
2261 select_item (panel);
2262 show_dir (panel);
2263 paint_dir (panel);
2264 panel->dirty = 0;
2266 buttonbar_set_label (h, 1, _("Help"), help_cmd);
2267 buttonbar_set_label (h, 2, _("Menu"), user_file_menu_cmd);
2268 buttonbar_set_label (h, 3, _("View"), view_cmd);
2269 buttonbar_set_label (h, 4, _("Edit"), edit_cmd);
2270 buttonbar_set_label (h, 5, _("Copy"), copy_cmd);
2271 buttonbar_set_label (h, 6, _("RenMov"), ren_cmd);
2272 buttonbar_set_label (h, 7, _("Mkdir"), mkdir_cmd);
2273 buttonbar_set_label (h, 8, _("Delete"), delete_cmd);
2274 buttonbar_redraw (h);
2275 return MSG_HANDLED;
2277 case WIDGET_UNFOCUS:
2278 /* Janne: look at this for the multiple panel options */
2279 if (panel->searching){
2280 panel->searching = 0;
2281 display_mini_info (panel);
2283 panel->active = 0;
2284 show_dir (panel);
2285 unselect_item (panel);
2286 return MSG_HANDLED;
2288 case WIDGET_KEY:
2289 return panel_key (panel, parm);
2291 case WIDGET_DESTROY:
2292 panel_destroy (panel);
2293 return MSG_HANDLED;
2295 default:
2296 return default_proc (msg, parm);
2300 void
2301 file_mark (WPanel *panel, int index, int val)
2303 if (panel->dir.list[index].f.marked != val) {
2304 panel->dir.list[index].f.marked = val;
2305 panel->dirty = 1;
2309 /* */
2310 /* Panel mouse events support routines */
2311 /* */
2312 static int mouse_marking = 0;
2314 static void
2315 mouse_toggle_mark (WPanel *panel)
2317 do_mark_file (panel, 0);
2318 mouse_marking = selection (panel)->f.marked;
2321 static void
2322 mouse_set_mark (WPanel *panel)
2324 if (mouse_marking && !(selection (panel)->f.marked))
2325 do_mark_file (panel, 0);
2326 else if (!mouse_marking && (selection (panel)->f.marked))
2327 do_mark_file (panel, 0);
2330 static inline int
2331 mark_if_marking (WPanel *panel, Gpm_Event *event)
2333 if (event->buttons & GPM_B_RIGHT){
2334 if (event->type & GPM_DOWN)
2335 mouse_toggle_mark (panel);
2336 else
2337 mouse_set_mark (panel);
2338 return 1;
2340 return 0;
2344 * Mouse callback of the panel minus repainting.
2345 * If the event is redirected to the menu, *redir is set to 1.
2347 static int
2348 do_panel_event (Gpm_Event *event, WPanel *panel, int *redir)
2350 const int lines = llines (panel);
2352 int my_index;
2354 /* Mouse wheel events */
2355 if ((event->buttons & GPM_B_UP) && (event->type & GPM_DOWN)) {
2356 prev_page (panel);
2357 return MOU_NORMAL;
2359 if ((event->buttons & GPM_B_DOWN) && (event->type & GPM_DOWN)) {
2360 next_page (panel);
2361 return MOU_NORMAL;
2364 /* "<" button */
2365 if (event->type & GPM_DOWN && event->x == 2 && event->y == 1) {
2366 directory_history_prev (panel);
2367 return MOU_NORMAL;
2370 /* ">" button */
2371 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 1
2372 && event->y == 1) {
2373 directory_history_next (panel);
2374 return MOU_NORMAL;
2377 /* "v" button */
2378 if (event->type & GPM_DOWN && event->x == panel->widget.cols - 2
2379 && event->y == 1) {
2380 directory_history_list (panel);
2381 return MOU_NORMAL;
2384 /* rest of the upper frame, the menu is invisible - call menu */
2385 if (event->type & GPM_DOWN && event->y == 1 && !menubar_visible) {
2386 *redir = 1;
2387 event->x += panel->widget.x;
2388 return (*(the_menubar->widget.mouse)) (event, the_menubar);
2391 event->y -= 2;
2392 if ((event->type & (GPM_DOWN | GPM_DRAG))) {
2394 if (!dlg_widget_active (panel))
2395 change_panel ();
2397 if (event->y <= 0) {
2398 mark_if_marking (panel, event);
2399 if (mouse_move_pages)
2400 prev_page (panel);
2401 else
2402 move_up (panel);
2403 return MOU_REPEAT;
2406 if (!((panel->top_file + event->y <= panel->count)
2407 && event->y <= lines)) {
2408 mark_if_marking (panel, event);
2409 if (mouse_move_pages)
2410 next_page (panel);
2411 else
2412 move_down (panel);
2413 return MOU_REPEAT;
2415 my_index = panel->top_file + event->y - 1;
2416 if (panel->split) {
2417 if (event->x > ((panel->widget.cols - 2) / 2))
2418 my_index += llines (panel);
2421 if (my_index >= panel->count)
2422 my_index = panel->count - 1;
2424 if (my_index != panel->selected) {
2425 unselect_item (panel);
2426 panel->selected = my_index;
2427 select_item (panel);
2430 /* This one is new */
2431 mark_if_marking (panel, event);
2433 } else if ((event->type & (GPM_UP | GPM_DOUBLE)) ==
2434 (GPM_UP | GPM_DOUBLE)) {
2435 if (event->y > 0 && event->y <= lines)
2436 do_enter (panel);
2438 return MOU_NORMAL;
2441 /* Mouse callback of the panel */
2442 static int
2443 panel_event (Gpm_Event *event, void *data)
2445 WPanel *panel = data;
2446 int ret;
2447 int redir = 0;
2449 ret = do_panel_event (event, panel, &redir);
2450 if (!redir)
2451 panel_update_contents (panel);
2453 return ret;
2456 void
2457 panel_re_sort (WPanel *panel)
2459 char *filename;
2460 int i;
2462 if (panel == NULL)
2463 return;
2465 filename = g_strdup (selection (panel)->fname);
2466 unselect_item (panel);
2467 do_sort (&panel->dir, panel->sort_type, panel->count-1, panel->reverse, panel->case_sensitive);
2468 panel->selected = -1;
2469 for (i = panel->count; i; i--){
2470 if (!strcmp (panel->dir.list [i-1].fname, filename)){
2471 panel->selected = i-1;
2472 break;
2475 g_free (filename);
2476 panel->top_file = panel->selected - ITEMS (panel)/2;
2477 if (panel->top_file < 0)
2478 panel->top_file = 0;
2479 select_item (panel);
2480 panel->dirty = 1;
2483 void
2484 panel_set_sort_order (WPanel *panel, sortfn *sort_order)
2486 if (sort_order == 0)
2487 return;
2489 panel->sort_type = sort_order;
2491 /* The directory is already sorted, we have to load the unsorted stuff */
2492 if (sort_order == (sortfn *) unsorted){
2493 char *current_file;
2495 current_file = g_strdup (panel->dir.list [panel->selected].fname);
2496 panel_reload (panel);
2497 try_to_select (panel, current_file);
2498 g_free (current_file);
2500 panel_re_sort (panel);