1 /* Panel layout module for the Midnight Commander
2 Copyright (C) 1995 the Free Software Foundation
4 Written: 1995 Janne Kukonlehto
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #include <sys/types.h>
32 * If TIOCGWINSZ supported, make it available here, because window-
33 * resizing code depends on it...
35 #ifdef HAVE_SYS_IOCTL_H
36 # include <sys/ioctl.h>
44 #include "tty.h" /* COLS */
51 #include "dialog.h" /* For do_refresh() */
52 #include "profile.h" /* For sync_profiles() */
56 #include "subshell.h" /* For use_subshell and resize_subshell() */
60 /* Needed for the extern declarations of integer parameters */
62 #include "panel.h" /* The Panel widget */
63 #include "cons.saver.h"
65 #include "info.h" /* The Info widget */
66 #include "view.h" /* The view widget */
69 #include "setup.h" /* For save_setup() */
71 /* Controls the display of the rotating dash on the verbose mode */
72 int nice_rotating_dash
= 1;
74 /* If set, then we have to call the layout_change routine from main */
75 int layout_do_change
= 0;
77 /* Set if the panels are split horizontally */
78 int horizontal_split
= 0;
80 /* Set if the window has changed it's size */
83 /* Set if the split is the same */
86 /* First panel size if the panel are not split equally */
87 int first_panel_size
= 0;
89 /* The number of output lines shown (if available) */
92 /* Set if the command prompt is to be displayed */
93 int command_prompt
= 1;
95 /* Set if the nice and usefull keybar is visible */
96 int keybar_visible
= 1;
98 /* Set if the nice message (hint) bar is visible */
99 int message_visible
= 1;
101 /* Set to show current working dir in xterm window title */
104 /* The starting line for the output of the subprogram */
105 int output_start_y
= 0;
107 /* The maximum number of views managed by the set_display_type routine */
108 /* Must be at least two (for current and other). Please note that until */
109 /* Janne gets around this, we will only manage two of them :-) */
115 } panels
[MAX_VIEWS
];
117 /* These variables are used to avoid updating the information unless */
119 static int old_first_panel_size
;
120 static int old_horizontal_split
;
121 static int old_output_lines
;
123 /* Internal variables */
124 static int _horizontal_split
;
125 static int _equal_split
;
126 static int _first_panel_size
;
127 static int _menubar_visible
;
128 static int _output_lines
;
129 static int _command_prompt
;
130 static int _keybar_visible
;
131 static int _message_visible
;
132 static int _xterm_title
;
133 static int _permission_mode
;
134 static int _filetype_mode
;
138 /* Width 12 for a wee Quick (Hex) View */
144 #define B_2LEFT B_USER
145 #define B_2RIGHT B_USER + 1
146 #define B_PLUS B_USER + 2
147 #define B_MINUS B_USER + 3
149 static Dlg_head
*layout_dlg
;
151 static char *s_split_direction
[2] = {
156 static WRadio
*radio_widget
;
163 } check_options
[] = {
164 { N_("&Xterm window title"), &xterm_title
, 0, "t" },
165 { N_("h&Intbar visible"), &message_visible
, 0, "v" },
166 { N_("&Keybar visible"), &keybar_visible
, 0, "k" },
167 { N_("command &Prompt"), &command_prompt
, 0, "p" },
168 { N_("show &Mini status"), &show_mini_info
, 0, "m" },
169 { N_("menu&Bar visible"), &menubar_visible
, 0, "me" },
170 { N_("&Equal split"), &equal_split
, 0, "eq" },
171 { N_("pe&Rmissions"), &permission_mode
, 0, "pr" },
172 { N_("&File types"), &filetype_mode
, 0, "ft" },
176 static int first_width
, second_width
;
177 static char *title1
, *title2
, *title3
, *output_lines_label
;
179 static WButton
*bleft_widget
, *bright_widget
;
181 /* Declarations for static functions */
182 static void low_level_change_screen_size (void);
184 static void _check_split (void)
186 if (_horizontal_split
){
188 _first_panel_size
= height
/ 2;
189 else if (_first_panel_size
< MINHEIGHT
)
190 _first_panel_size
= MINHEIGHT
;
191 else if (_first_panel_size
> height
- MINHEIGHT
)
192 _first_panel_size
= height
- MINHEIGHT
;
195 _first_panel_size
= COLS
/ 2;
196 else if (_first_panel_size
< MINWIDTH
)
197 _first_panel_size
= MINWIDTH
;
198 else if (_first_panel_size
> COLS
- MINWIDTH
)
199 _first_panel_size
= COLS
- MINWIDTH
;
203 static void update_split (void)
205 /* Check split has to be done before testing if it changed, since
206 it can change due to calling _check_split() as well*/
209 /* To avoid setting the cursor to the wrong place */
210 if ((old_first_panel_size
== _first_panel_size
) &&
211 (old_horizontal_split
== _horizontal_split
)){
215 old_first_panel_size
= _first_panel_size
;
216 old_horizontal_split
= _horizontal_split
;
218 attrset (COLOR_NORMAL
);
219 dlg_move (layout_dlg
, 6, 6);
220 printw ("%03d", _first_panel_size
);
221 dlg_move (layout_dlg
, 6, 18);
222 if (_horizontal_split
)
223 printw ("%03d", height
- _first_panel_size
);
225 printw ("%03d", COLS
- _first_panel_size
);
228 static int b2left_cback (int action
, void *data
)
231 /* Turn equal split off */
233 check_options
[6].widget
->state
= check_options
[6].widget
->state
& ~C_BOOL
;
234 dlg_select_widget (layout_dlg
, check_options
[6].widget
);
235 dlg_select_widget (layout_dlg
, bleft_widget
);
241 static int b2right_cback (int action
, void *data
)
244 /* Turn equal split off */
246 check_options
[6].widget
->state
= check_options
[6].widget
->state
& ~C_BOOL
;
247 dlg_select_widget (layout_dlg
, check_options
[6].widget
);
248 dlg_select_widget (layout_dlg
, bright_widget
);
254 static int bplus_cback (int action
, void *data
)
256 if (_output_lines
< 99)
261 static int bminus_cback (int action
, void *data
)
263 if (_output_lines
> 0)
268 static int layout_callback (struct Dlg_head
*h
, int Id
, int Msg
)
272 /*When repainting the whole dialog (e.g. with C-l) we have to
274 common_dialog_repaint (h
);
276 old_first_panel_size
= -1;
277 old_horizontal_split
= -1;
278 old_output_lines
= -1;
280 attrset (COLOR_NORMAL
);
281 draw_box (h
, 2, 4, 6, first_width
);
282 draw_box (h
, 8, 4, 4, first_width
);
283 draw_box (h
, 2, 5 + first_width
, 10, second_width
);
285 attrset (COLOR_HOT_NORMAL
);
290 dlg_move (h
, 2, 6 + first_width
);
296 if (old_output_lines
!= _output_lines
){
297 old_output_lines
= _output_lines
;
298 attrset (COLOR_NORMAL
);
299 dlg_move (h
, 9, 16 + first_width
);
300 addstr (output_lines_label
);
301 dlg_move (h
, 9, 10 + first_width
);
302 printw ("%02d", _output_lines
);
308 _filetype_mode
= check_options
[8].widget
->state
& C_BOOL
;
309 _permission_mode
= check_options
[7].widget
->state
& C_BOOL
;
310 _equal_split
= check_options
[6].widget
->state
& C_BOOL
;
311 _menubar_visible
= check_options
[5].widget
->state
& C_BOOL
;
312 _command_prompt
= check_options
[4].widget
->state
& C_BOOL
;
313 _keybar_visible
= check_options
[2].widget
->state
& C_BOOL
;
314 _message_visible
= check_options
[1].widget
->state
& C_BOOL
;
315 _xterm_title
= check_options
[0].widget
->state
& C_BOOL
;
318 if (_output_lines
< 0)
320 height
= LINES
- _keybar_visible
- _command_prompt
-
321 _menubar_visible
- _output_lines
- _message_visible
;
322 minimum
= MINHEIGHT
* (1 + _horizontal_split
);
323 if (height
< minimum
){
324 _output_lines
-= minimum
- height
;
328 height
= LINES
- _keybar_visible
- _command_prompt
-
329 _menubar_visible
- _output_lines
- _message_visible
;
331 if (_horizontal_split
!= radio_widget
->sel
){
332 _horizontal_split
= radio_widget
->sel
;
333 if (_horizontal_split
)
334 _first_panel_size
= height
/ 2;
336 _first_panel_size
= COLS
/ 2;
340 if (old_output_lines
!= _output_lines
){
341 old_output_lines
= _output_lines
;
342 attrset (COLOR_NORMAL
);
343 dlg_move (h
, 9, 10 + first_width
);
344 printw ("%02d", _output_lines
);
355 static void init_layout (void)
357 static int i18n_layt_flag
= 0;
358 static int b1
, b2
, b3
;
359 int i
= sizeof (s_split_direction
) / sizeof(char*) ;
360 char* ok_button
= _("&OK");
361 char* cancel_button
= _("&Cancel");
362 char* save_button
= _("&Save");
368 first_width
= 19; /* length of line with '<' '>' buttons */
370 title1
= _(" Panel split ");
371 title2
= _(" Highlight... ");
372 title3
= _(" Other options ");
373 output_lines_label
= _("output lines");
377 s_split_direction
[i
] = _(s_split_direction
[i
]);
378 l1
= strlen (s_split_direction
[i
]) + 7;
379 if (l1
> first_width
)
383 for (i
= 0; i
<= 8; i
++)
385 check_options
[i
].text
= _(check_options
[i
].text
);
386 l1
= strlen (check_options
[i
].text
) + 7;
387 if (l1
> first_width
)
391 l1
= strlen (title1
) + 1;
392 if (l1
> first_width
)
395 l1
= strlen (title2
) + 1;
396 if (l1
> first_width
)
400 second_width
= strlen (title3
) + 1;
401 for (i
= 0; i
< 6; i
++)
403 check_options
[i
].text
= _(check_options
[i
].text
);
404 l1
= strlen (check_options
[i
].text
) + 7;
405 if (l1
> second_width
)
410 l1
= strlen (output_lines_label
) + 13;
411 if (l1
> second_width
)
417 * To be completely correct, one need to check if the title
418 * does not exceed dialog length and total length of 3 buttons
419 * allows their placement in one row. But assuming this dialog
420 * is wide enough, I don't include such a tests.
422 * Now the last thing to do - properly space buttons...
424 l1
= 11 + strlen (ok_button
) /* 14 - all brackets and inner space */
425 + strlen (save_button
) /* notice: it is 3 char less because */
426 + strlen (cancel_button
); /* of '&' char in button text */
428 i
= (first_width
+ second_width
- l1
) / 4;
430 b2
= b1
+ strlen(ok_button
) + i
+ 6;
431 b3
= b2
+ strlen(save_button
) + i
+ 4;
436 layout_dlg
= create_dlg (0, 0, 15, first_width
+ second_width
+ 9,
437 dialog_colors
, layout_callback
,
438 "[Layout]", _("Layout"), DLG_CENTER
);
440 add_widget (layout_dlg
,
441 button_new (BY
, b3
, B_CANCEL
, NORMAL_BUTTON
, cancel_button
, 0, 0, "c"));
442 add_widget (layout_dlg
,
443 button_new (BY
, b2
, B_EXIT
, NORMAL_BUTTON
, save_button
, 0, 0, "s"));
444 add_widget (layout_dlg
,
445 button_new (BY
, b1
, B_ENTER
, DEFPUSH_BUTTON
, ok_button
, 0, 0, "o"));
447 add_widget (layout_dlg
,
448 button_new (9, 12 + first_width
, B_MINUS
, NARROW_BUTTON
, "&-",
449 bminus_cback
, 0, NULL
));
450 add_widget (layout_dlg
,
451 button_new (9, 7 + first_width
, B_PLUS
, NARROW_BUTTON
, "&+",
452 bplus_cback
, 0, NULL
));
455 #define XTRACT(i) *check_options[i].variable, check_options[i].text, check_options[i].tkname
457 for (i
= 0; i
< 6; i
++){
458 check_options
[i
].widget
= check_new (8 - i
, 7 + first_width
, XTRACT(i
));
459 add_widget (layout_dlg
, check_options
[i
].widget
);
461 check_options
[8].widget
= check_new (10, 6, XTRACT(8));
462 add_widget (layout_dlg
, check_options
[8].widget
);
463 check_options
[7].widget
= check_new (9, 6, XTRACT(7));
464 add_widget (layout_dlg
, check_options
[7].widget
);
466 _filetype_mode
= filetype_mode
;
467 _permission_mode
= permission_mode
;
468 _equal_split
= equal_split
;
469 _menubar_visible
= menubar_visible
;
470 _command_prompt
= command_prompt
;
471 _keybar_visible
= keybar_visible
;
472 _message_visible
= message_visible
;
473 _xterm_title
= xterm_title
;
474 bright_widget
= button_new(6, 15, B_2RIGHT
, NARROW_BUTTON
, "&>", b2right_cback
, 0, ">");
475 add_widget (layout_dlg
, bright_widget
);
476 bleft_widget
= button_new (6, 9, B_2LEFT
, NARROW_BUTTON
, "&<", b2left_cback
, 0, "<");
477 add_widget (layout_dlg
, bleft_widget
);
478 check_options
[6].widget
= check_new (5, 6, XTRACT(6));
479 old_first_panel_size
= -1;
480 old_horizontal_split
= -1;
481 old_output_lines
= -1;
483 _first_panel_size
= first_panel_size
;
484 _output_lines
= output_lines
;
485 add_widget (layout_dlg
, check_options
[6].widget
);
486 radio_widget
= radio_new (3, 6, 2, s_split_direction
, 1, "r");
487 add_widget (layout_dlg
, radio_widget
);
488 radio_widget
->sel
= horizontal_split
;
491 void layout_change (void)
494 layout_do_change
= 0;
495 /* re-init the menu, because perhaps there was a change in the way
496 how the panel are split (horizontal/vertical). */
499 menubar_arrange(the_menubar
);
502 void layout_cmd (void)
508 run_dlg (layout_dlg
);
509 result
= layout_dlg
->ret_value
;
511 if (result
== B_ENTER
|| result
== B_EXIT
){
512 for (i
= 0; check_options
[i
].text
; i
++)
513 if (check_options
[i
].widget
)
514 *check_options
[i
].variable
= check_options
[i
].widget
->state
& C_BOOL
;
515 horizontal_split
= radio_widget
->sel
;
516 first_panel_size
= _first_panel_size
;
517 output_lines
= _output_lines
;
518 layout_do_change
= 1;
520 if (result
== B_EXIT
){
525 destroy_dlg (layout_dlg
);
526 if (layout_do_change
)
530 static void check_split (void)
532 if (horizontal_split
){
534 first_panel_size
= height
/ 2;
535 else if (first_panel_size
< MINHEIGHT
)
536 first_panel_size
= MINHEIGHT
;
537 else if (first_panel_size
> height
- MINHEIGHT
)
538 first_panel_size
= height
- MINHEIGHT
;
541 first_panel_size
= COLS
/ 2;
542 else if (first_panel_size
< MINWIDTH
)
543 first_panel_size
= MINWIDTH
;
544 else if (first_panel_size
> COLS
- MINWIDTH
)
545 first_panel_size
= COLS
- MINWIDTH
;
553 #ifndef HAS_ACS_AS_PCCHARS
554 if (force_ugly_line_drawing
)
555 SLtt_Has_Alt_Charset
= 0;
560 keypad (stdscr
, TRUE
);
561 nodelay (stdscr
, FALSE
);
564 static const struct {
568 { 'q', '-' }, /* ACS_HLINE */
569 { 'x', '|' }, /* ACS_VLINE */
570 { 'l', '+' }, /* ACS_ULCORNER */
571 { 'k', '+' }, /* ACS_URCORNER */
572 { 'm', '+' }, /* ACS_LLCORNER */
573 { 'j', '+' }, /* ACS_LRCORNER */
574 { 'a', '#' }, /* ACS_CKBOARD */
575 { 'u', '+' }, /* ACS_RTEE */
576 { 't', '+' }, /* ACS_LTEE */
577 { 'w', '+' }, /* ACS_TTEE */
578 { 'v', '+' }, /* ACS_BTEE */
579 { 'n', '+' }, /* ACS_PLUS */
582 void init_curses (void)
588 * If ncurses exports the ESCDELAY variable, it should be set to
589 * a low value, or you'll experience a delay in processing escape
590 * sequences that are recognized by mc (e.g. Esc-Esc). On the other
591 * hand, making ESCDELAY too small can result in some sequences
592 * (e.g. cursor arrows) being reported as separate keys under heavy
593 * processor load, and this can be a problem if mc hasn't learned
594 * them in the "Learn Keys" dialog. The value is in milliseconds.
597 #endif /* HAVE_ESCDELAY */
601 keypad (stdscr
, TRUE
);
602 nodelay (stdscr
, FALSE
);
604 if (force_ugly_line_drawing
) {
605 for (i
= 0; acs_approx
[i
].acscode
!= 0; i
++) {
606 acs_map
[acs_approx
[i
].acscode
] = acs_approx
[i
].character
;
610 #endif /* ! HAVE_SLANG */
615 if (!(quit
& SUBSHELL_EXIT
))
619 keypad (stdscr
, FALSE
);
623 panel_do_cols (int index
)
625 if (get_display_type (index
) == view_listing
)
626 set_panel_formats ((WPanel
*) panels
[index
].widget
);
628 panel_update_cols (panels
[index
].widget
, frame_half
);
630 /* In case of an Hex Quick View must review line length */
631 if (get_display_type (index
) == view_quick
)
632 view_update_bytes_per_line ((WView
*) panels
[index
].widget
);
640 int promptl
; /* the prompt len */
644 if (output_lines
< 0)
647 LINES
- keybar_visible
- command_prompt
- menubar_visible
-
648 output_lines
- message_visible
;
649 minimum
= MINHEIGHT
* (1 + horizontal_split
);
650 if (height
< minimum
) {
651 output_lines
-= minimum
- height
;
656 LINES
- menubar_visible
- command_prompt
- keybar_visible
-
660 start_y
= menubar_visible
;
662 /* The column computing is defered until panel_do_cols */
663 if (horizontal_split
) {
664 widget_set_size (panels
[0].widget
, start_y
, 0, first_panel_size
,
667 widget_set_size (panels
[1].widget
, start_y
+ first_panel_size
, 0,
668 height
- first_panel_size
, 0);
670 int first_x
= first_panel_size
;
672 widget_set_size (panels
[0].widget
, start_y
, 0, height
, 0);
674 widget_set_size (panels
[1].widget
, start_y
, first_x
, height
, 0);
680 promptl
= strlen (prompt
);
682 widget_set_size (&the_menubar
->widget
, 0, 0, 1, COLS
);
684 if (command_prompt
) {
685 widget_set_size (&cmdline
->widget
, LINES
- 1 - keybar_visible
,
687 COLS
- promptl
- (keybar_visible
? 0 : 1));
688 winput_set_origin (cmdline
, promptl
,
689 COLS
- promptl
- (keybar_visible
? 0 : 1));
690 widget_set_size (&the_prompt
->widget
, LINES
- 1 - keybar_visible
,
693 widget_set_size (&cmdline
->widget
, 0, 0, 0, 0);
694 winput_set_origin (cmdline
, 0, 0);
695 widget_set_size (&the_prompt
->widget
, LINES
, COLS
, 0, 0);
698 widget_set_size (&the_bar
->widget
, LINES
- 1, 0, keybar_visible
, COLS
);
699 the_bar
->visible
= keybar_visible
;
702 if (console_flag
&& output_lines
) {
704 LINES
- command_prompt
- keybar_visible
- output_lines
;
705 show_console_contents (output_start_y
,
706 LINES
- output_lines
- keybar_visible
- 1,
707 LINES
- keybar_visible
- 1);
709 if (message_visible
) {
710 widget_set_size (&the_hint
->widget
, height
+ start_y
, 0, 1, COLS
);
711 set_hintbar (""); /* clean up the line */
713 widget_set_size (&the_hint
->widget
, 0, 0, 0, 0);
716 update_xterm_title_path ();
719 void flag_winch (int dummy
)
721 #ifndef USE_NCURSES /* don't do malloc in a signal handler */
722 low_level_change_screen_size ();
728 low_level_change_screen_size (void)
730 #if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
731 #if defined TIOCGWINSZ && !defined SCO_FLAVOR
732 struct winsize winsz
;
734 winsz
.ws_col
= winsz
.ws_row
= 0;
735 /* Ioctl on the STDIN_FILENO */
736 ioctl (0, TIOCGWINSZ
, &winsz
);
737 if (winsz
.ws_col
&& winsz
.ws_row
){
738 #if defined(NCURSES_VERSION) && defined(HAVE_RESIZETERM)
739 resizeterm(winsz
.ws_row
, winsz
.ws_col
);
740 clearok(stdscr
,TRUE
); /* sigwinch's should use a semaphore! */
743 LINES
= winsz
.ws_row
;
745 #ifdef HAVE_SUBSHELL_SUPPORT
749 #endif /* TIOCGWINSZ && !SCO_FLAVOR */
750 #endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
754 change_screen_size (void)
756 #if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
757 #if defined TIOCGWINSZ && !defined SCO_FLAVOR
759 #ifndef NCURSES_VERSION
763 low_level_change_screen_size ();
765 #ifndef NCURSES_VERSION
766 /* XSI Curses spec states that portable applications shall not invoke
767 * initscr() more than once. This kludge could be done within the scope
768 * of the specification by using endwin followed by a refresh (in fact,
769 * more than one curses implementation does this); it is guaranteed to work
776 /* Inform currently running dialog */
777 (*current_dlg
->callback
) (current_dlg
, current_dlg
->current
->dlg_id
,
780 #ifdef RESIZABLE_MENUBAR
781 menubar_arrange (the_menubar
);
784 /* Now, force the redraw */
787 #endif /* TIOCGWINSZ && !SCO_FLAVOR */
788 #endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
792 static int ok_to_refresh
= 1;
794 void use_dash (int flag
)
802 void set_hintbar(char *str
)
804 label_set_text (the_hint
, str
);
805 if (ok_to_refresh
> 0)
809 void print_vfs_message (char *msg
, ...)
816 g_vsnprintf (str
, sizeof (str
), msg
, ap
);
819 if (midnight_shutdown
)
822 if (!message_visible
|| !the_hint
|| !the_hint
->widget
.parent
) {
825 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
828 /* Preserve current cursor position */
829 getyx (stdscr
, row
, col
);
832 attrset (NORMAL_COLOR
);
833 printw ("%-*s", COLS
-1, str
);
835 /* Restore cursor position */
841 if (message_visible
) {
846 void rotate_dash (void)
848 static char rotating_dash
[] = "|/-\\";
851 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
854 if (pos
>= sizeof (rotating_dash
)-1)
857 addch (rotating_dash
[pos
]);
862 void remove_dash (void)
864 if (!nice_rotating_dash
)
867 /* Currently, it's much nicer with the CPU to do this instead of
870 I should implement a routine called invalidate_region that would
871 send a draw message only to the affected views. But for now
879 char *get_nth_panel_name (int num
)
881 static char buffer
[BUF_SMALL
];
884 return "New Left Panel";
886 return "New Right Panel";
888 g_snprintf (buffer
, sizeof (buffer
), "%ith Panel", num
);
893 /* I wonder if I should start to use the folding mode than Dugan uses */
895 /* This is the centralized managing of the panel display types */
896 /* This routine takes care of destroying and creating new widgets */
897 /* Please note that it could manage MAX_VIEWS, not just left and right */
898 /* Currently nothing in the code takes advantage of this and has hard- */
899 /* coded values for two panels only */
901 /* Set the num-th panel to the view type: type */
902 /* This routine also keeps at least one WPanel object in the screen */
903 /* since a lot of routines depend on the current_panel variable */
904 void set_display_type (int num
, int type
)
906 int x
, y
, cols
, lines
;
907 int the_other
; /* Index to the other panel */
908 char *file_name
= 0; /* For Quick view */
909 Widget
*new_widget
, *old_widget
;
910 WPanel
*the_other_panel
;
912 x
= y
= cols
= lines
= 0;
914 if (num
>= MAX_VIEWS
){
915 fprintf (stderr
, "Cannot allocate more that %d views\n", MAX_VIEWS
);
919 /* Check that we will have a WPanel * at least */
921 if (type
!= view_listing
){
922 the_other
= num
== 0 ? 1 : 0;
924 if (panels
[the_other
].type
!= view_listing
)
930 if (panels
[num
].widget
){
931 Widget
*w
= panels
[num
].widget
;
932 WPanel
*panel
= (WPanel
*) panels
[num
].widget
;
938 old_widget
= panels
[num
].widget
;
940 if (panels
[num
].type
== view_listing
){
941 if (panel
->frame_size
== frame_full
&& type
!= view_listing
){
942 cols
= COLS
- first_panel_size
;
944 x
= first_panel_size
;
953 new_widget
= (Widget
*) panel_new (get_nth_panel_name (num
));
957 new_widget
= (Widget
*) info_new ();
962 new_widget
= (Widget
*) tree_new (1, 0, 0, 0, 0);
966 new_widget
= (Widget
*) view_new (0, 0, 0, 0, 1);
967 the_other_panel
= (WPanel
*) panels
[the_other
].widget
;
970 the_other_panel
->dir
.list
[the_other_panel
->selected
].fname
;
974 view_init ((WView
*) new_widget
, 0, file_name
, 0);
977 panels
[num
].type
= type
;
978 panels
[num
].widget
= (Widget
*) new_widget
;
980 /* We set the same size the old widget had */
981 widget_set_size ((Widget
*) new_widget
, y
, x
, lines
, cols
);
983 /* We use replace to keep the circular list of the dialog in the */
984 /* same state. Maybe we could just kill it and then replace it */
985 if (midnight_dlg
&& old_widget
){
986 dlg_replace_widget (midnight_dlg
, old_widget
, panels
[num
].widget
);
988 if (type
== view_listing
){
990 left_panel
= (WPanel
*) new_widget
;
992 right_panel
= (WPanel
*) new_widget
;
995 if (type
== view_tree
)
996 the_tree
= (WTree
*) new_widget
;
998 /* Prevent current_panel's value from becoming invalid.
999 * It's just a quick hack to prevent segfaults. Comment out and
1001 * - select left panel
1002 * - invoke menue left/tree
1003 * - as long as you stay in the left panel almost everything that uses
1004 * cpanel causes segfault, e.g. C-Enter, C-x c, ...
1007 if (type
!= view_listing
)
1008 if (cpanel
== (WPanel
*) old_widget
)
1009 current_panel
= num
== 0 ? right_panel
: left_panel
;
1012 /* This routine is deeply sticked to the two panels idea.
1013 What should it do in more panels. ANSWER - don't use it
1014 in any multiple panels environment. */
1020 WPanel
*panel1
, *panel2
;
1023 #define panelswap(x) panel. x = panel1-> x; panel1-> x = panel2-> x; panel2-> x = panel. x;
1025 #define panelswapstr(e) strcpy (panel. e, panel1-> e); \
1026 strcpy (panel1-> e, panel2-> e); \
1027 strcpy (panel2-> e, panel. e);
1028 panel1
= (WPanel
*) panels
[0].widget
;
1029 panel2
= (WPanel
*) panels
[1].widget
;
1030 if (panels
[0].type
== view_listing
&& panels
[1].type
== view_listing
) {
1031 /* Change everything except format/sort/panel_name etc. */
1038 panelswap (dirs_marked
);
1040 panelswap (top_file
);
1041 panelswap (selected
);
1042 panelswap (is_panelized
);
1043 panelswap (dir_stat
);
1045 panel1
->searching
= 0;
1046 panel2
->searching
= 0;
1047 if (cpanel
== panel1
)
1048 current_panel
= panel2
;
1050 current_panel
= panel1
;
1051 if (midnight_dlg
->current
->widget
== panels
[0].widget
)
1052 dlg_select_widget (midnight_dlg
, (void *) panels
[1].widget
);
1053 else if (midnight_dlg
->current
->widget
== panels
[1].widget
)
1054 dlg_select_widget (midnight_dlg
, (void *) panels
[0].widget
);
1058 tmp_panel
=right_panel
;
1059 right_panel
=left_panel
;
1060 left_panel
=tmp_panel
;
1062 if (panels
[0].type
== view_listing
) {
1063 if (!strcmp (panel1
->panel_name
, get_nth_panel_name (0))) {
1064 g_free (panel1
->panel_name
);
1065 panel1
->panel_name
= g_strdup (get_nth_panel_name (1));
1068 if (panels
[1].type
== view_listing
) {
1069 if (!strcmp (panel2
->panel_name
, get_nth_panel_name (1))) {
1070 g_free (panel2
->panel_name
);
1071 panel2
->panel_name
= g_strdup (get_nth_panel_name (0));
1075 tmp
.x
= panels
[0].widget
->x
;
1076 tmp
.y
= panels
[0].widget
->y
;
1077 tmp
.cols
= panels
[0].widget
->cols
;
1078 tmp
.lines
= panels
[0].widget
->lines
;
1080 panels
[0].widget
->x
= panels
[1].widget
->x
;
1081 panels
[0].widget
->y
= panels
[1].widget
->y
;
1082 panels
[0].widget
->cols
= panels
[1].widget
->cols
;
1083 panels
[0].widget
->lines
= panels
[1].widget
->lines
;
1085 panels
[1].widget
->x
= tmp
.x
;
1086 panels
[1].widget
->y
= tmp
.y
;
1087 panels
[1].widget
->cols
= tmp
.cols
;
1088 panels
[1].widget
->lines
= tmp
.lines
;
1090 tmp_widget
= panels
[0].widget
;
1091 panels
[0].widget
= panels
[1].widget
;
1092 panels
[1].widget
= tmp_widget
;
1093 tmp_type
= panels
[0].type
;
1094 panels
[0].type
= panels
[1].type
;
1095 panels
[1].type
= tmp_type
;
1099 int get_display_type (int index
)
1101 return panels
[index
].type
;
1104 Widget
*get_panel_widget (int index
)
1106 return panels
[index
].widget
;
1109 int get_current_index (void)
1111 if (panels
[0].widget
== ((Widget
*) cpanel
))
1117 int get_other_index (void)
1119 return !get_current_index ();
1122 /* Returns the view type for the current panel/view */
1123 int get_current_type (void)
1125 if (panels
[0].widget
== (Widget
*) cpanel
)
1126 return panels
[0].type
;
1128 return panels
[1].type
;
1131 /* Returns the view type of the unselected panel */
1132 int get_other_type (void)
1134 if (panels
[0].widget
== (Widget
*) cpanel
)
1135 return panels
[1].type
;
1137 return panels
[0].type
;