1 /* Panel layout module for the Midnight Commander
2 Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006, 2007 Free Software Foundation, Inc.
5 Written: 1995 Janne Kukonlehto
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
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.
30 #include <sys/types.h>
34 * If TIOCGWINSZ supported, make it available here, because window-
35 * resizing code depends on it...
37 #ifdef HAVE_SYS_IOCTL_H
38 # include <sys/ioctl.h>
45 #include <mhl/memory.h>
46 #include <mhl/string.h>
49 #include "tty.h" /* COLS */
56 #include "profile.h" /* For sync_profiles() */
58 #include "main-widgets.h"
60 #include "subshell.h" /* For use_subshell and resize_subshell() */
64 /* Needed for the extern declarations of integer parameters */
66 #include "panel.h" /* The Panel widget */
67 #include "cons.saver.h"
69 #include "info.h" /* The Info widget */
70 #include "view.h" /* The view widget */
72 #include "setup.h" /* For save_setup() */
74 /* Controls the display of the rotating dash on the verbose mode */
75 int nice_rotating_dash
= 1;
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 useful 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 const char *s_split_direction
[2] = {
156 static WRadio
*radio_widget
;
162 } check_options
[] = {
163 { N_("&Xterm window title"), &xterm_title
, 0 },
164 { N_("h&Intbar visible"), &message_visible
, 0 },
165 { N_("&Keybar visible"), &keybar_visible
, 0 },
166 { N_("command &Prompt"), &command_prompt
, 0 },
167 { N_("show &Mini status"), &show_mini_info
, 0 },
168 { N_("menu&Bar visible"), &menubar_visible
, 0 },
169 { N_("&Equal split"), &equal_split
, 0 },
170 { N_("pe&Rmissions"), &permission_mode
, 0 },
171 { N_("&File types"), &filetype_mode
, 0 },
175 static int first_width
, second_width
;
176 static const char *output_lines_label
;
178 static WButton
*bleft_widget
, *bright_widget
;
180 /* Declarations for static functions */
181 static void low_level_change_screen_size (void);
183 static void _check_split (void)
185 if (_horizontal_split
){
187 _first_panel_size
= height
/ 2;
188 else if (_first_panel_size
< MINHEIGHT
)
189 _first_panel_size
= MINHEIGHT
;
190 else if (_first_panel_size
> height
- MINHEIGHT
)
191 _first_panel_size
= height
- MINHEIGHT
;
194 _first_panel_size
= COLS
/ 2;
195 else if (_first_panel_size
< MINWIDTH
)
196 _first_panel_size
= MINWIDTH
;
197 else if (_first_panel_size
> COLS
- MINWIDTH
)
198 _first_panel_size
= COLS
- MINWIDTH
;
202 static void update_split (void)
204 /* Check split has to be done before testing if it changed, since
205 it can change due to calling _check_split() as well*/
208 /* To avoid setting the cursor to the wrong place */
209 if ((old_first_panel_size
== _first_panel_size
) &&
210 (old_horizontal_split
== _horizontal_split
)){
214 old_first_panel_size
= _first_panel_size
;
215 old_horizontal_split
= _horizontal_split
;
217 attrset (COLOR_NORMAL
);
218 dlg_move (layout_dlg
, 6, 6);
219 tty_printf ("%03d", _first_panel_size
);
220 dlg_move (layout_dlg
, 6, 18);
221 if (_horizontal_split
)
222 tty_printf ("%03d", height
- _first_panel_size
);
224 tty_printf ("%03d", COLS
- _first_panel_size
);
227 static int b2left_cback (int action
)
232 /* Turn equal split off */
234 check_options
[6].widget
->state
= check_options
[6].widget
->state
& ~C_BOOL
;
235 dlg_select_widget (check_options
[6].widget
);
236 dlg_select_widget (bleft_widget
);
242 static int b2right_cback (int action
)
247 /* Turn equal split off */
249 check_options
[6].widget
->state
= check_options
[6].widget
->state
& ~C_BOOL
;
250 dlg_select_widget (check_options
[6].widget
);
251 dlg_select_widget (bright_widget
);
257 static int bplus_cback (int action
)
261 if (_output_lines
< 99)
266 static int bminus_cback (int action
)
270 if (_output_lines
> 0)
276 layout_callback (struct Dlg_head
*h
, dlg_msg_t msg
, int parm
)
280 /*When repainting the whole dialog (e.g. with C-l) we have to
282 common_dialog_repaint (h
);
284 old_first_panel_size
= -1;
285 old_horizontal_split
= -1;
286 old_output_lines
= -1;
288 attrset (COLOR_HOT_NORMAL
);
293 if (old_output_lines
!= _output_lines
){
294 old_output_lines
= _output_lines
;
295 attrset (COLOR_NORMAL
);
296 dlg_move (h
, 9, 16 + first_width
);
297 addstr (output_lines_label
);
298 dlg_move (h
, 9, 10 + first_width
);
299 tty_printf ("%02d", _output_lines
);
305 _filetype_mode
= check_options
[8].widget
->state
& C_BOOL
;
306 _permission_mode
= check_options
[7].widget
->state
& C_BOOL
;
307 _equal_split
= check_options
[6].widget
->state
& C_BOOL
;
308 _menubar_visible
= check_options
[5].widget
->state
& C_BOOL
;
309 _command_prompt
= check_options
[4].widget
->state
& C_BOOL
;
310 _keybar_visible
= check_options
[2].widget
->state
& C_BOOL
;
311 _message_visible
= check_options
[1].widget
->state
& C_BOOL
;
312 _xterm_title
= check_options
[0].widget
->state
& C_BOOL
;
315 if (_output_lines
< 0)
317 height
= LINES
- _keybar_visible
- _command_prompt
-
318 _menubar_visible
- _output_lines
- _message_visible
;
319 minimum
= MINHEIGHT
* (1 + _horizontal_split
);
320 if (height
< minimum
){
321 _output_lines
-= minimum
- height
;
325 height
= LINES
- _keybar_visible
- _command_prompt
-
326 _menubar_visible
- _output_lines
- _message_visible
;
328 if (_horizontal_split
!= radio_widget
->sel
){
329 _horizontal_split
= radio_widget
->sel
;
330 if (_horizontal_split
)
331 _first_panel_size
= height
/ 2;
333 _first_panel_size
= COLS
/ 2;
337 if (old_output_lines
!= _output_lines
){
338 old_output_lines
= _output_lines
;
339 attrset (COLOR_NORMAL
);
340 dlg_move (h
, 9, 10 + first_width
);
341 tty_printf ("%02d", _output_lines
);
347 return default_dlg_callback (h
, msg
, parm
);
354 static int i18n_layt_flag
= 0;
355 static int b1
, b2
, b3
;
356 int i
= sizeof (s_split_direction
) / sizeof (char *);
357 const char *ok_button
= _("&OK");
358 const char *cancel_button
= _("&Cancel");
359 const char *save_button
= _("&Save");
360 static const char *title1
, *title2
, *title3
;
362 if (!i18n_layt_flag
) {
365 first_width
= 19; /* length of line with '<' '>' buttons */
367 title1
= _(" Panel split ");
368 title2
= _(" Highlight... ");
369 title3
= _(" Other options ");
370 output_lines_label
= _("output lines");
373 s_split_direction
[i
] = _(s_split_direction
[i
]);
374 l1
= strlen (s_split_direction
[i
]) + 7;
375 if (l1
> first_width
)
379 for (i
= 0; i
<= 8; i
++) {
380 check_options
[i
].text
= _(check_options
[i
].text
);
381 l1
= strlen (check_options
[i
].text
) + 7;
382 if (l1
> first_width
)
386 l1
= strlen (title1
) + 1;
387 if (l1
> first_width
)
390 l1
= strlen (title2
) + 1;
391 if (l1
> first_width
)
395 second_width
= strlen (title3
) + 1;
396 for (i
= 0; i
< 6; i
++) {
397 check_options
[i
].text
= _(check_options
[i
].text
);
398 l1
= strlen (check_options
[i
].text
) + 7;
399 if (l1
> second_width
)
403 l1
= strlen (output_lines_label
) + 13;
404 if (l1
> second_width
)
410 * To be completely correct, one need to check if the title
411 * does not exceed dialog length and total length of 3 buttons
412 * allows their placement in one row. But assuming this dialog
413 * is wide enough, I don't include such a tests.
415 * Now the last thing to do - properly space buttons...
417 l1
= 11 + strlen (ok_button
) /* 14 - all brackets and inner space */
418 +strlen (save_button
) /* notice: it is 3 char less because */
419 +strlen (cancel_button
); /* of '&' char in button text */
421 i
= (first_width
+ second_width
- l1
) / 4;
423 b2
= b1
+ strlen (ok_button
) + i
+ 6;
424 b3
= b2
+ strlen (save_button
) + i
+ 4;
430 create_dlg (0, 0, 15, first_width
+ second_width
+ 9,
431 dialog_colors
, layout_callback
, "[Layout]",
432 _("Layout"), DLG_CENTER
| DLG_REVERSE
);
434 add_widget (layout_dlg
, groupbox_new (4, 2, first_width
, 6, title1
));
435 add_widget (layout_dlg
, groupbox_new (4, 8, first_width
, 4, title2
));
436 add_widget (layout_dlg
,
437 groupbox_new (5 + first_width
, 2, second_width
, 10,
440 add_widget (layout_dlg
,
441 button_new (BY
, b3
, B_CANCEL
, NORMAL_BUTTON
, cancel_button
,
443 add_widget (layout_dlg
,
444 button_new (BY
, b2
, B_EXIT
, NORMAL_BUTTON
, save_button
,
446 add_widget (layout_dlg
,
447 button_new (BY
, b1
, B_ENTER
, DEFPUSH_BUTTON
, ok_button
,
450 add_widget (layout_dlg
,
451 button_new (9, 12 + first_width
, B_MINUS
,
452 NARROW_BUTTON
, "&-", bminus_cback
));
453 add_widget (layout_dlg
,
454 button_new (9, 7 + first_width
, B_PLUS
, NARROW_BUTTON
,
457 #define XTRACT(i) *check_options[i].variable, check_options[i].text
459 for (i
= 0; i
< 6; i
++) {
460 check_options
[i
].widget
=
461 check_new (8 - i
, 7 + first_width
, XTRACT (i
));
462 add_widget (layout_dlg
, check_options
[i
].widget
);
464 check_options
[8].widget
= check_new (10, 6, XTRACT (8));
465 add_widget (layout_dlg
, check_options
[8].widget
);
466 check_options
[7].widget
= check_new (9, 6, XTRACT (7));
467 add_widget (layout_dlg
, check_options
[7].widget
);
469 _filetype_mode
= filetype_mode
;
470 _permission_mode
= permission_mode
;
471 _equal_split
= equal_split
;
472 _menubar_visible
= menubar_visible
;
473 _command_prompt
= command_prompt
;
474 _keybar_visible
= keybar_visible
;
475 _message_visible
= message_visible
;
476 _xterm_title
= xterm_title
;
478 button_new (6, 15, B_2RIGHT
, NARROW_BUTTON
, "&>", b2right_cback
);
479 add_widget (layout_dlg
, bright_widget
);
481 button_new (6, 9, B_2LEFT
, NARROW_BUTTON
, "&<", b2left_cback
);
482 add_widget (layout_dlg
, bleft_widget
);
483 check_options
[6].widget
= check_new (5, 6, XTRACT (6));
484 old_first_panel_size
= -1;
485 old_horizontal_split
= -1;
486 old_output_lines
= -1;
488 _first_panel_size
= first_panel_size
;
489 _output_lines
= output_lines
;
490 add_widget (layout_dlg
, check_options
[6].widget
);
491 radio_widget
= radio_new (3, 6, 2, s_split_direction
);
492 add_widget (layout_dlg
, radio_widget
);
493 radio_widget
->sel
= horizontal_split
;
500 /* re-init the menu, because perhaps there was a change in the way
501 how the panel are split (horizontal/vertical). */
504 menubar_arrange (the_menubar
);
507 void layout_cmd (void)
511 int layout_do_change
= 0;
514 run_dlg (layout_dlg
);
515 result
= layout_dlg
->ret_value
;
517 if (result
== B_ENTER
|| result
== B_EXIT
){
518 for (i
= 0; check_options
[i
].text
; i
++)
519 if (check_options
[i
].widget
)
520 *check_options
[i
].variable
= check_options
[i
].widget
->state
& C_BOOL
;
521 horizontal_split
= radio_widget
->sel
;
522 first_panel_size
= _first_panel_size
;
523 output_lines
= _output_lines
;
524 layout_do_change
= 1;
526 if (result
== B_EXIT
){
531 destroy_dlg (layout_dlg
);
532 if (layout_do_change
)
536 static void check_split (void)
538 if (horizontal_split
){
540 first_panel_size
= height
/ 2;
541 else if (first_panel_size
< MINHEIGHT
)
542 first_panel_size
= MINHEIGHT
;
543 else if (first_panel_size
> height
- MINHEIGHT
)
544 first_panel_size
= height
- MINHEIGHT
;
547 first_panel_size
= COLS
/ 2;
548 else if (first_panel_size
< MINWIDTH
)
549 first_panel_size
= MINWIDTH
;
550 else if (first_panel_size
> COLS
- MINWIDTH
)
551 first_panel_size
= COLS
- MINWIDTH
;
562 keypad (stdscr
, TRUE
);
563 nodelay (stdscr
, FALSE
);
566 static const struct {
570 { 'q', '-' }, /* ACS_HLINE */
571 { 'x', '|' }, /* ACS_VLINE */
572 { 'l', '+' }, /* ACS_ULCORNER */
573 { 'k', '+' }, /* ACS_URCORNER */
574 { 'm', '+' }, /* ACS_LLCORNER */
575 { 'j', '+' }, /* ACS_LRCORNER */
576 { 'a', '#' }, /* ACS_CKBOARD */
577 { 'u', '+' }, /* ACS_RTEE */
578 { 't', '+' }, /* ACS_LTEE */
579 { 'w', '+' }, /* ACS_TTEE */
580 { 'v', '+' }, /* ACS_BTEE */
581 { 'n', '+' }, /* ACS_PLUS */
584 void init_curses (void)
590 * If ncurses exports the ESCDELAY variable, it should be set to
591 * a low value, or you'll experience a delay in processing escape
592 * sequences that are recognized by mc (e.g. Esc-Esc). On the other
593 * hand, making ESCDELAY too small can result in some sequences
594 * (e.g. cursor arrows) being reported as separate keys under heavy
595 * processor load, and this can be a problem if mc hasn't learned
596 * them in the "Learn Keys" dialog. The value is in milliseconds.
599 #endif /* HAVE_ESCDELAY */
603 keypad (stdscr
, TRUE
);
604 nodelay (stdscr
, FALSE
);
606 if (force_ugly_line_drawing
) {
607 for (i
= 0; acs_approx
[i
].acscode
!= 0; i
++) {
608 acs_map
[acs_approx
[i
].acscode
] = acs_approx
[i
].character
;
612 #endif /* ! HAVE_SLANG */
618 dlg_erase (midnight_dlg
);
626 if (!(quit
& SUBSHELL_EXIT
))
630 keypad (stdscr
, FALSE
);
635 panel_do_cols (int index
)
637 if (get_display_type (index
) == view_listing
)
638 set_panel_formats ((WPanel
*) panels
[index
].widget
);
640 panel_update_cols (panels
[index
].widget
, frame_half
);
648 int promptl
; /* the prompt len */
652 if (output_lines
< 0)
655 LINES
- keybar_visible
- command_prompt
- menubar_visible
-
656 output_lines
- message_visible
;
657 minimum
= MINHEIGHT
* (1 + horizontal_split
);
658 if (height
< minimum
) {
659 output_lines
-= minimum
- height
;
664 LINES
- menubar_visible
- command_prompt
- keybar_visible
-
668 start_y
= menubar_visible
;
670 /* The column computing is defered until panel_do_cols */
671 if (horizontal_split
) {
672 widget_set_size (panels
[0].widget
, start_y
, 0, first_panel_size
,
675 widget_set_size (panels
[1].widget
, start_y
+ first_panel_size
, 0,
676 height
- first_panel_size
, 0);
678 int first_x
= first_panel_size
;
680 widget_set_size (panels
[0].widget
, start_y
, 0, height
, 0);
682 widget_set_size (panels
[1].widget
, start_y
, first_x
, height
, 0);
688 promptl
= strlen (prompt
);
690 widget_set_size (&the_menubar
->widget
, 0, 0, 1, COLS
);
692 if (command_prompt
) {
693 widget_set_size (&cmdline
->widget
, LINES
- 1 - keybar_visible
,
695 COLS
- promptl
- (keybar_visible
? 0 : 1));
696 winput_set_origin (cmdline
, promptl
,
697 COLS
- promptl
- (keybar_visible
? 0 : 1));
698 widget_set_size (&the_prompt
->widget
, LINES
- 1 - keybar_visible
,
701 widget_set_size (&cmdline
->widget
, 0, 0, 0, 0);
702 winput_set_origin (cmdline
, 0, 0);
703 widget_set_size (&the_prompt
->widget
, LINES
, COLS
, 0, 0);
706 widget_set_size ((Widget
*) the_bar
, LINES
- 1, 0, keybar_visible
, COLS
);
707 buttonbar_set_visible (the_bar
, keybar_visible
);
710 if (console_flag
&& output_lines
) {
712 LINES
- command_prompt
- keybar_visible
- output_lines
;
713 show_console_contents (output_start_y
,
714 LINES
- output_lines
- keybar_visible
- 1,
715 LINES
- keybar_visible
- 1);
717 if (message_visible
) {
718 widget_set_size (&the_hint
->widget
, height
+ start_y
, 0, 1, COLS
);
719 set_hintbar (""); /* clean up the line */
721 widget_set_size (&the_hint
->widget
, 0, 0, 0, 0);
724 update_xterm_title_path ();
727 void flag_winch (int dummy
)
730 #ifndef USE_NCURSES /* don't do malloc in a signal handler */
731 low_level_change_screen_size ();
737 low_level_change_screen_size (void)
739 #if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
740 #if defined TIOCGWINSZ
741 struct winsize winsz
;
743 winsz
.ws_col
= winsz
.ws_row
= 0;
744 /* Ioctl on the STDIN_FILENO */
745 ioctl (0, TIOCGWINSZ
, &winsz
);
746 if (winsz
.ws_col
&& winsz
.ws_row
){
747 #if defined(NCURSES_VERSION) && defined(HAVE_RESIZETERM)
748 resizeterm(winsz
.ws_row
, winsz
.ws_col
);
749 clearok(stdscr
,TRUE
); /* sigwinch's should use a semaphore! */
752 LINES
= winsz
.ws_row
;
754 #ifdef HAVE_SUBSHELL_SUPPORT
758 #endif /* TIOCGWINSZ */
759 #endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
763 change_screen_size (void)
766 #if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
767 #if defined TIOCGWINSZ
769 #ifndef NCURSES_VERSION
773 low_level_change_screen_size ();
775 #ifndef NCURSES_VERSION
776 /* XSI Curses spec states that portable applications shall not invoke
777 * initscr() more than once. This kludge could be done within the scope
778 * of the specification by using endwin followed by a refresh (in fact,
779 * more than one curses implementation does this); it is guaranteed to work
786 /* Inform currently running dialog */
787 (*current_dlg
->callback
) (current_dlg
, DLG_RESIZE
, 0);
789 #ifdef RESIZABLE_MENUBAR
790 menubar_arrange (the_menubar
);
793 /* Now, force the redraw */
796 #endif /* TIOCGWINSZ */
797 #endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
800 static int ok_to_refresh
= 1;
802 void use_dash (int flag
)
810 void set_hintbar(const char *str
)
812 label_set_text (the_hint
, str
);
813 if (ok_to_refresh
> 0)
817 void print_vfs_message (const char *msg
, ...)
824 g_vsnprintf (str
, sizeof (str
), msg
, ap
);
827 if (midnight_shutdown
)
830 if (!message_visible
|| !the_hint
|| !the_hint
->widget
.parent
) {
833 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
836 /* Preserve current cursor position */
837 getyx (stdscr
, row
, col
);
840 attrset (NORMAL_COLOR
);
841 tty_printf ("%-*s", COLS
-1, str
);
843 /* Restore cursor position */
849 if (message_visible
) {
854 void rotate_dash (void)
856 static const char rotating_dash
[] = "|/-\\";
857 static size_t pos
= 0;
859 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
862 if (pos
>= sizeof (rotating_dash
)-1)
865 attrset (NORMAL_COLOR
);
866 addch (rotating_dash
[pos
]);
871 const char *get_nth_panel_name (int num
)
873 static char buffer
[BUF_SMALL
];
876 return "New Left Panel";
878 return "New Right Panel";
880 snprintf (buffer
, sizeof (buffer
), "%ith Panel", num
);
885 /* I wonder if I should start to use the folding mode than Dugan uses */
887 /* This is the centralized managing of the panel display types */
888 /* This routine takes care of destroying and creating new widgets */
889 /* Please note that it could manage MAX_VIEWS, not just left and right */
890 /* Currently nothing in the code takes advantage of this and has hard- */
891 /* coded values for two panels only */
893 /* Set the num-th panel to the view type: type */
894 /* This routine also keeps at least one WPanel object in the screen */
895 /* since a lot of routines depend on the current_panel variable */
896 void set_display_type (int num
, int type
)
898 int x
, y
, cols
, lines
;
899 int the_other
; /* Index to the other panel */
900 const char *file_name
= NULL
; /* For Quick view */
901 Widget
*new_widget
, *old_widget
;
902 WPanel
*the_other_panel
;
904 x
= y
= cols
= lines
= 0;
906 if (num
>= MAX_VIEWS
){
907 fprintf (stderr
, "Cannot allocate more that %d views\n", MAX_VIEWS
);
911 /* Check that we will have a WPanel * at least */
913 if (type
!= view_listing
){
914 the_other
= num
== 0 ? 1 : 0;
916 if (panels
[the_other
].type
!= view_listing
)
922 if (panels
[num
].widget
){
923 Widget
*w
= panels
[num
].widget
;
924 WPanel
*panel
= (WPanel
*) panels
[num
].widget
;
930 old_widget
= panels
[num
].widget
;
932 if (panels
[num
].type
== view_listing
){
933 if (panel
->frame_size
== frame_full
&& type
!= view_listing
){
934 cols
= COLS
- first_panel_size
;
936 x
= first_panel_size
;
945 new_widget
= (Widget
*) panel_new (get_nth_panel_name (num
));
949 new_widget
= (Widget
*) info_new ();
954 new_widget
= (Widget
*) tree_new (1, 0, 0, 0, 0);
958 new_widget
= (Widget
*) view_new (0, 0, 0, 0, 1);
959 the_other_panel
= (WPanel
*) panels
[the_other
].widget
;
962 the_other_panel
->dir
.list
[the_other_panel
->selected
].fname
;
966 view_load ((WView
*) new_widget
, 0, file_name
, 0);
969 panels
[num
].type
= type
;
970 panels
[num
].widget
= (Widget
*) new_widget
;
972 /* We set the same size the old widget had */
973 widget_set_size ((Widget
*) new_widget
, y
, x
, lines
, cols
);
975 /* We use replace to keep the circular list of the dialog in the */
976 /* same state. Maybe we could just kill it and then replace it */
977 if (midnight_dlg
&& old_widget
){
978 dlg_replace_widget (old_widget
, panels
[num
].widget
);
980 if (type
== view_listing
){
982 left_panel
= (WPanel
*) new_widget
;
984 right_panel
= (WPanel
*) new_widget
;
987 if (type
== view_tree
)
988 the_tree
= (WTree
*) new_widget
;
990 /* Prevent current_panel's value from becoming invalid.
991 * It's just a quick hack to prevent segfaults. Comment out and
993 * - select left panel
994 * - invoke menue left/tree
995 * - as long as you stay in the left panel almost everything that uses
996 * current_panel causes segfault, e.g. C-Enter, C-x c, ...
999 if (type
!= view_listing
)
1000 if (current_panel
== (WPanel
*) old_widget
)
1001 current_panel
= num
== 0 ? right_panel
: left_panel
;
1004 /* This routine is deeply sticked to the two panels idea.
1005 What should it do in more panels. ANSWER - don't use it
1006 in any multiple panels environment. */
1012 WPanel
*panel1
, *panel2
;
1015 #define panelswap(x) panel. x = panel1-> x; panel1-> x = panel2-> x; panel2-> x = panel. x;
1017 #define panelswapstr(e) strcpy (panel. e, panel1-> e); \
1018 strcpy (panel1-> e, panel2-> e); \
1019 strcpy (panel2-> e, panel. e);
1020 panel1
= (WPanel
*) panels
[0].widget
;
1021 panel2
= (WPanel
*) panels
[1].widget
;
1022 if (panels
[0].type
== view_listing
&& panels
[1].type
== view_listing
) {
1023 /* Change everything except format/sort/panel_name etc. */
1030 panelswap (dirs_marked
);
1032 panelswap (top_file
);
1033 panelswap (selected
);
1034 panelswap (is_panelized
);
1035 panelswap (dir_stat
);
1037 panel1
->searching
= 0;
1038 panel2
->searching
= 0;
1039 if (current_panel
== panel1
)
1040 current_panel
= panel2
;
1042 current_panel
= panel1
;
1044 if (dlg_widget_active (panels
[0].widget
))
1045 dlg_select_widget (panels
[1].widget
);
1046 else if (dlg_widget_active (panels
[1].widget
))
1047 dlg_select_widget (panels
[0].widget
);
1051 tmp_panel
=right_panel
;
1052 right_panel
=left_panel
;
1053 left_panel
=tmp_panel
;
1055 if (panels
[0].type
== view_listing
) {
1056 if (!strcmp (panel1
->panel_name
, get_nth_panel_name (0))) {
1057 g_free (panel1
->panel_name
);
1058 panel1
->panel_name
= g_strdup (get_nth_panel_name (1));
1061 if (panels
[1].type
== view_listing
) {
1062 if (!strcmp (panel2
->panel_name
, get_nth_panel_name (1))) {
1063 g_free (panel2
->panel_name
);
1064 panel2
->panel_name
= g_strdup (get_nth_panel_name (0));
1068 tmp
.x
= panels
[0].widget
->x
;
1069 tmp
.y
= panels
[0].widget
->y
;
1070 tmp
.cols
= panels
[0].widget
->cols
;
1071 tmp
.lines
= panels
[0].widget
->lines
;
1073 panels
[0].widget
->x
= panels
[1].widget
->x
;
1074 panels
[0].widget
->y
= panels
[1].widget
->y
;
1075 panels
[0].widget
->cols
= panels
[1].widget
->cols
;
1076 panels
[0].widget
->lines
= panels
[1].widget
->lines
;
1078 panels
[1].widget
->x
= tmp
.x
;
1079 panels
[1].widget
->y
= tmp
.y
;
1080 panels
[1].widget
->cols
= tmp
.cols
;
1081 panels
[1].widget
->lines
= tmp
.lines
;
1083 tmp_widget
= panels
[0].widget
;
1084 panels
[0].widget
= panels
[1].widget
;
1085 panels
[1].widget
= tmp_widget
;
1086 tmp_type
= panels
[0].type
;
1087 panels
[0].type
= panels
[1].type
;
1088 panels
[1].type
= tmp_type
;
1092 int get_display_type (int index
)
1094 return panels
[index
].type
;
1098 get_panel_widget (int index
)
1100 return panels
[index
].widget
;
1103 int get_current_index (void)
1105 if (panels
[0].widget
== ((Widget
*) current_panel
))
1111 int get_other_index (void)
1113 return !get_current_index ();
1117 get_other_panel (void)
1119 return (struct WPanel
*) get_panel_widget (get_other_index ());
1122 /* Returns the view type for the current panel/view */
1123 int get_current_type (void)
1125 if (panels
[0].widget
== (Widget
*) current_panel
)
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
*) current_panel
)
1135 return panels
[1].type
;
1137 return panels
[0].type
;