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>
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 */
64 #include "cons.saver.h"
66 #include "info.h" /* The Info widget */
67 #include "view.h" /* The view widget */
70 #include "setup.h" /* For save_setup() */
72 /* Controls the display of the rotating dash on the verbose mode */
73 int nice_rotating_dash
= 1;
75 /* If set, then we have to call the layout_change routine from main */
76 int layout_do_change
= 0;
78 /* Set if the panels are split horizontally */
79 int horizontal_split
= 0;
81 /* Set if the window has changed it's size */
84 /* Set if the split is the same */
87 /* First panel size if the panel are not split equally */
88 int first_panel_size
= 0;
90 /* The number of output lines shown (if available) */
93 /* Set if the command prompt is to be displayed */
94 int command_prompt
= 1;
96 /* Set if the nice and usefull keybar is visible */
97 int keybar_visible
= 1;
99 /* Set if the nice message (hint) bar is visible */
100 int message_visible
= 1;
102 /* Set if you want the message bar shown in xterm title bar to save space */
103 int xterm_hintbar
= 0;
105 /* The starting line for the output of the subprogram */
106 int output_start_y
= 0;
108 /* The maximum number of views managed by the set_display_type routine */
109 /* Must be at least two (for current and other). Please note that until */
110 /* Janne gets around this, we will only manage two of them :-) */
116 } panels
[MAX_VIEWS
];
118 /* These variables are used to avoid updating the information unless */
120 static int old_first_panel_size
;
121 static int old_horizontal_split
;
122 static int old_output_lines
;
124 /* Internal variables */
125 static int _horizontal_split
;
126 static int _equal_split
;
127 static int _first_panel_size
;
128 static int _menubar_visible
;
129 static int _output_lines
;
130 static int _command_prompt
;
131 static int _keybar_visible
;
132 static int _message_visible
;
133 static int _xterm_hintbar
;
134 static int _permission_mode
;
135 static int _filetype_mode
;
139 /* Width 12 for a wee Quick (Hex) View */
145 #define B_2LEFT B_USER
146 #define B_2RIGHT B_USER + 1
147 #define B_PLUS B_USER + 2
148 #define B_MINUS B_USER + 3
150 static Dlg_head
*layout_dlg
;
152 static char *s_split_direction
[2] = {
157 static WRadio
*radio_widget
;
164 } check_options
[] = {
165 { N_("&Xterm hintbar"), &xterm_hintbar
, 0, "h" },
166 { N_("h&Intbar visible"), &message_visible
, 0, "v" },
167 { N_("&Keybar visible"), &keybar_visible
, 0, "k" },
168 { N_("command &Prompt"), &command_prompt
, 0, "p" },
169 { N_("show &Mini status"), &show_mini_info
, 0, "m" },
170 { N_("menu&Bar visible"), &menubar_visible
, 0, "me" },
171 { N_("&Equal split"), &equal_split
, 0, "eq" },
172 { N_("pe&Rmissions"), &permission_mode
, 0, "pr" },
173 { N_("&File types"), &filetype_mode
, 0, "ft" },
177 static int first_width
, second_width
;
178 static char *title1
, *title2
, *title3
, *output_lines_label
;
180 static WButton
*bleft_widget
, *bright_widget
;
182 /* Declarations for static functions */
183 static void low_level_change_screen_size (void);
185 static void _check_split (void)
187 if (_horizontal_split
){
189 _first_panel_size
= height
/ 2;
190 else if (_first_panel_size
< MINHEIGHT
)
191 _first_panel_size
= MINHEIGHT
;
192 else if (_first_panel_size
> height
- MINHEIGHT
)
193 _first_panel_size
= height
- MINHEIGHT
;
196 _first_panel_size
= COLS
/ 2;
197 else if (_first_panel_size
< MINWIDTH
)
198 _first_panel_size
= MINWIDTH
;
199 else if (_first_panel_size
> COLS
- MINWIDTH
)
200 _first_panel_size
= COLS
- MINWIDTH
;
204 static void update_split (void)
206 /* Check split has to be done before testing if it changed, since
207 it can change due to calling _check_split() as well*/
210 /* To avoid setting the cursor to the wrong place */
211 if ((old_first_panel_size
== _first_panel_size
) &&
212 (old_horizontal_split
== _horizontal_split
)){
216 old_first_panel_size
= _first_panel_size
;
217 old_horizontal_split
= _horizontal_split
;
219 attrset (COLOR_NORMAL
);
220 dlg_move (layout_dlg
, 6, 6);
221 printw ("%03d", _first_panel_size
);
222 dlg_move (layout_dlg
, 6, 18);
223 if (_horizontal_split
)
224 printw ("%03d", height
- _first_panel_size
);
226 printw ("%03d", COLS
- _first_panel_size
);
229 static int b2left_cback (int action
, void *data
)
232 /* Turn equal split off */
234 check_options
[6].widget
->state
= check_options
[6].widget
->state
& ~C_BOOL
;
235 dlg_select_widget (layout_dlg
, check_options
[6].widget
);
236 dlg_select_widget (layout_dlg
, bleft_widget
);
242 static int b2right_cback (int action
, void *data
)
245 /* Turn equal split off */
247 check_options
[6].widget
->state
= check_options
[6].widget
->state
& ~C_BOOL
;
248 dlg_select_widget (layout_dlg
, check_options
[6].widget
);
249 dlg_select_widget (layout_dlg
, bright_widget
);
255 static int bplus_cback (int action
, void *data
)
257 if (_output_lines
< 99)
262 static int bminus_cback (int action
, void *data
)
264 if (_output_lines
> 0)
269 static int layout_callback (struct Dlg_head
*h
, int Id
, int Msg
)
273 /*When repainting the whole dialog (e.g. with C-l) we have to
275 common_dialog_repaint (h
);
277 old_first_panel_size
= -1;
278 old_horizontal_split
= -1;
279 old_output_lines
= -1;
281 attrset (COLOR_NORMAL
);
282 draw_box (h
, 2, 4, 6, first_width
);
283 draw_box (h
, 8, 4, 4, first_width
);
284 draw_box (h
, 2, 5 + first_width
, 10, second_width
);
286 attrset (COLOR_HOT_NORMAL
);
291 dlg_move (h
, 2, 6 + first_width
);
297 if (old_output_lines
!= _output_lines
){
298 old_output_lines
= _output_lines
;
299 attrset (COLOR_NORMAL
);
300 dlg_move (h
, 9, 16 + first_width
);
301 addstr (output_lines_label
);
302 dlg_move (h
, 9, 10 + first_width
);
303 printw ("%02d", _output_lines
);
309 _filetype_mode
= check_options
[8].widget
->state
& C_BOOL
;
310 _permission_mode
= check_options
[7].widget
->state
& C_BOOL
;
311 _equal_split
= check_options
[6].widget
->state
& C_BOOL
;
312 _menubar_visible
= check_options
[5].widget
->state
& C_BOOL
;
313 _command_prompt
= check_options
[4].widget
->state
& C_BOOL
;
314 _keybar_visible
= check_options
[2].widget
->state
& C_BOOL
;
315 _message_visible
= check_options
[1].widget
->state
& C_BOOL
;
316 _xterm_hintbar
= check_options
[0].widget
->state
& C_BOOL
;
319 if (_output_lines
< 0)
321 height
= LINES
- _keybar_visible
- _command_prompt
-
322 _menubar_visible
- _output_lines
- _message_visible
;
323 if (_message_visible
&& _xterm_hintbar
&& xterm_flag
) height
++;
324 minimum
= MINHEIGHT
* (1 + _horizontal_split
);
325 if (height
< minimum
){
326 _output_lines
-= minimum
- height
;
330 height
= LINES
- _keybar_visible
- _command_prompt
-
331 _menubar_visible
- _output_lines
- _message_visible
;
332 if (_message_visible
&& _xterm_hintbar
&& xterm_flag
) height
++;
334 if (_horizontal_split
!= radio_widget
->sel
){
335 _horizontal_split
= radio_widget
->sel
;
336 if (_horizontal_split
)
337 _first_panel_size
= height
/ 2;
339 _first_panel_size
= COLS
/ 2;
343 if (old_output_lines
!= _output_lines
){
344 old_output_lines
= _output_lines
;
345 attrset (COLOR_NORMAL
);
346 dlg_move (h
, 9, 10 + first_width
);
347 printw ("%02d", _output_lines
);
358 static void init_layout (void)
360 static int i18n_layt_flag
= 0;
361 static int b1
, b2
, b3
;
362 int i
= sizeof (s_split_direction
) / sizeof(char*) ;
363 char* ok_button
= _("&Ok");
364 char* cancel_button
= _("&Cancel");
365 char* save_button
= _("&Save");
371 first_width
= 19; /* length of line with '<' '>' buttons */
373 title1
= _(" Panel split ");
374 title2
= _(" Highlight... ");
375 title3
= _(" Other options ");
376 output_lines_label
= _("output lines");
380 s_split_direction
[i
] = _(s_split_direction
[i
]);
381 l1
= strlen (s_split_direction
[i
]) + 7;
382 if (l1
> first_width
)
386 for (i
= 0; i
<= 8; i
++)
388 check_options
[i
].text
= _(check_options
[i
].text
);
389 l1
= strlen (check_options
[i
].text
) + 7;
390 if (l1
> first_width
)
394 l1
= strlen (title1
) + 1;
395 if (l1
> first_width
)
398 l1
= strlen (title2
) + 1;
399 if (l1
> first_width
)
403 second_width
= strlen (title3
) + 1;
404 for (i
= 0; i
< 6; i
++)
406 check_options
[i
].text
= _(check_options
[i
].text
);
407 l1
= strlen (check_options
[i
].text
) + 7;
408 if (l1
> second_width
)
413 l1
= strlen (output_lines_label
) + 13;
414 if (l1
> second_width
)
420 * To be completely correct, one need to check if the title
421 * does not exceed dialog length and total length of 3 buttons
422 * allows their placement in one row. But assuming this dialog
423 * is wide enough, I don't include such a tests.
425 * Now the last thing to do - properly space buttons...
427 l1
= 11 + strlen (ok_button
) /* 14 - all brackets and inner space */
428 + strlen (save_button
) /* notice: it is 3 char less because */
429 + strlen (cancel_button
); /* of '&' char in button text */
431 i
= (first_width
+ second_width
- l1
) / 4;
433 b2
= b1
+ strlen(ok_button
) + i
+ 6;
434 b3
= b2
+ strlen(save_button
) + i
+ 4;
439 layout_dlg
= create_dlg (0, 0, 15, first_width
+ second_width
+ 9,
440 dialog_colors
, layout_callback
,
441 "[Layout]", _("Layout"), DLG_CENTER
);
443 add_widget (layout_dlg
,
444 button_new (BY
, b3
, B_CANCEL
, NORMAL_BUTTON
, cancel_button
, 0, 0, "c"));
445 add_widget (layout_dlg
,
446 button_new (BY
, b2
, B_EXIT
, NORMAL_BUTTON
, save_button
, 0, 0, "s"));
447 add_widget (layout_dlg
,
448 button_new (BY
, b1
, B_ENTER
, DEFPUSH_BUTTON
, ok_button
, 0, 0, "o"));
450 add_widget (layout_dlg
,
451 button_new (9, 12 + first_width
, B_MINUS
, NARROW_BUTTON
, "&-",
452 bminus_cback
, 0, NULL
));
453 add_widget (layout_dlg
,
454 button_new (9, 7 + first_width
, B_PLUS
, NARROW_BUTTON
, "&+",
455 bplus_cback
, 0, NULL
));
458 #define XTRACT(i) *check_options[i].variable, check_options[i].text, check_options[i].tkname
460 for (i
= 0; i
< 6; i
++){
461 check_options
[i
].widget
= 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_hintbar
= xterm_hintbar
;
477 bright_widget
= button_new(6, 15, B_2RIGHT
, NARROW_BUTTON
, "&>", b2right_cback
, 0, ">");
478 add_widget (layout_dlg
, bright_widget
);
479 bleft_widget
= button_new (6, 9, B_2LEFT
, NARROW_BUTTON
, "&<", b2left_cback
, 0, "<");
480 add_widget (layout_dlg
, bleft_widget
);
481 check_options
[6].widget
= check_new (5, 6, XTRACT(6));
482 old_first_panel_size
= -1;
483 old_horizontal_split
= -1;
484 old_output_lines
= -1;
486 _first_panel_size
= first_panel_size
;
487 _output_lines
= output_lines
;
488 add_widget (layout_dlg
, check_options
[6].widget
);
489 radio_widget
= radio_new (3, 6, 2, s_split_direction
, 1, "r");
490 add_widget (layout_dlg
, radio_widget
);
491 radio_widget
->sel
= horizontal_split
;
494 void layout_change (void)
497 layout_do_change
= 0;
498 /* re-init the menu, because perhaps there was a change in the way
499 how the panel are split (horizontal/vertical). */
502 menubar_arrange(the_menubar
);
505 void layout_cmd (void)
511 run_dlg (layout_dlg
);
512 result
= layout_dlg
->ret_value
;
514 if (result
== B_ENTER
|| result
== B_EXIT
){
515 for (i
= 0; check_options
[i
].text
; i
++)
516 if (check_options
[i
].widget
)
517 *check_options
[i
].variable
= check_options
[i
].widget
->state
& C_BOOL
;
518 horizontal_split
= radio_widget
->sel
;
519 first_panel_size
= _first_panel_size
;
520 output_lines
= _output_lines
;
521 layout_do_change
= 1;
523 if (result
== B_EXIT
){
528 destroy_dlg (layout_dlg
);
529 if (layout_do_change
)
533 static void check_split (void)
535 if (horizontal_split
){
537 first_panel_size
= height
/ 2;
538 else if (first_panel_size
< MINHEIGHT
)
539 first_panel_size
= MINHEIGHT
;
540 else if (first_panel_size
> height
- MINHEIGHT
)
541 first_panel_size
= height
- MINHEIGHT
;
544 first_panel_size
= COLS
/ 2;
545 else if (first_panel_size
< MINWIDTH
)
546 first_panel_size
= MINWIDTH
;
547 else if (first_panel_size
> COLS
- MINWIDTH
)
548 first_panel_size
= COLS
- MINWIDTH
;
555 SLtt_get_terminfo ();
556 #ifndef HAS_ACS_AS_PCCHARS
557 if (force_ugly_line_drawing
)
558 SLtt_Has_Alt_Charset
= 0;
563 keypad (stdscr
, TRUE
);
564 nodelay (stdscr
, FALSE
);
567 static const struct {
571 { 'q', '-' }, /* ACS_HLINE */
572 { 'x', '|' }, /* ACS_VLINE */
573 { 'l', '+' }, /* ACS_ULCORNER */
574 { 'k', '+' }, /* ACS_URCORNER */
575 { 'm', '+' }, /* ACS_LLCORNER */
576 { 'j', '+' }, /* ACS_LRCORNER */
577 { 'a', '#' }, /* ACS_CKBOARD */
578 { 'u', '+' }, /* ACS_RTEE */
579 { 't', '+' }, /* ACS_LTEE */
580 { 'w', '+' }, /* ACS_TTEE */
581 { 'v', '+' }, /* ACS_BTEE */
582 { 'n', '+' }, /* ACS_PLUS */
585 void init_curses (void)
591 * If ncurses exports the ESCDELAY variable it should be set to 0
592 * or you'll have to press Esc three times to dismiss a dialog box.
595 #endif /* HAVE_ESCDELAY */
599 keypad (stdscr
, TRUE
);
600 nodelay (stdscr
, FALSE
);
602 if (force_ugly_line_drawing
) {
603 for (i
= 0; acs_approx
[i
].acscode
!= 0; i
++) {
604 acs_map
[acs_approx
[i
].acscode
] = acs_approx
[i
].character
;
608 #endif /* ! HAVE_SLANG */
612 if (!(quit
& SUBSHELL_EXIT
))
616 keypad (stdscr
, FALSE
);
620 panel_do_cols (int index
)
622 if (get_display_type (index
) == view_listing
)
623 set_panel_formats ((WPanel
*) panels
[index
].widget
);
625 panel_update_cols (panels
[index
].widget
, frame_half
);
627 /* In case of an Hex Quick View must review line length */
628 if (get_display_type (index
) == view_quick
)
629 view_update_bytes_per_line ((WView
*) panels
[index
].widget
);
637 int promptl
; /* the prompt len */
641 if (output_lines
< 0)
643 height
= LINES
- keybar_visible
- command_prompt
- menubar_visible
644 - output_lines
- message_visible
;
645 if (message_visible
&& xterm_hintbar
&& xterm_flag
)
647 minimum
= MINHEIGHT
* (1 + horizontal_split
);
648 if (height
< minimum
) {
649 output_lines
-= minimum
- height
;
653 height
= LINES
- menubar_visible
- command_prompt
-
654 keybar_visible
- message_visible
;
655 if (message_visible
&& xterm_hintbar
&& xterm_flag
)
659 start_y
= menubar_visible
;
661 /* The column computing is defered until panel_do_cols */
662 if (horizontal_split
) {
663 widget_set_size (panels
[0].widget
, start_y
, 0,
664 first_panel_size
, 0);
666 widget_set_size (panels
[1].widget
, start_y
+ first_panel_size
, 0,
667 height
- first_panel_size
, 0);
669 int first_x
= first_panel_size
;
671 widget_set_size (panels
[0].widget
, start_y
, 0, height
, 0);
673 widget_set_size (panels
[1].widget
, start_y
, first_x
, height
, 0);
679 promptl
= strlen (prompt
);
681 widget_set_size (&the_menubar
->widget
, 0, 0, 1, COLS
);
683 if (command_prompt
) {
684 widget_set_size (&cmdline
->widget
, LINES
- 1 - keybar_visible
,
686 COLS
- promptl
- (keybar_visible
? 0 : 1));
687 winput_set_origin (cmdline
, promptl
,
688 COLS
- promptl
- (keybar_visible
? 0 : 1));
689 widget_set_size (&the_prompt
->widget
, LINES
- 1 - keybar_visible
,
692 widget_set_size (&cmdline
->widget
, 0, 0, 0, 0);
693 winput_set_origin (cmdline
, 0, 0);
694 widget_set_size (&the_prompt
->widget
, LINES
, COLS
, 0, 0);
697 widget_set_size (&the_bar
->widget
, LINES
- 1, 0, keybar_visible
, COLS
);
698 the_bar
->visible
= keybar_visible
;
701 if (console_flag
&& output_lines
) {
702 output_start_y
= LINES
- command_prompt
- keybar_visible
-
704 show_console_contents (output_start_y
,
705 LINES
- output_lines
- keybar_visible
- 1,
706 LINES
- keybar_visible
- 1);
708 if (message_visible
&& (!xterm_hintbar
|| !xterm_flag
))
709 widget_set_size (&the_hint
->widget
, height
+ start_y
, 0, 1, COLS
);
711 widget_set_size (&the_hint
->widget
, 0, 0, 0, 0);
716 void flag_winch (int dummy
)
718 #ifndef USE_NCURSES /* don't do malloc in a signal handler */
719 low_level_change_screen_size ();
725 low_level_change_screen_size (void)
727 #if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
728 #if defined TIOCGWINSZ && !defined SCO_FLAVOR
729 struct winsize winsz
;
731 winsz
.ws_col
= winsz
.ws_row
= 0;
732 /* Ioctl on the STDIN_FILENO */
733 ioctl (0, TIOCGWINSZ
, &winsz
);
734 if (winsz
.ws_col
&& winsz
.ws_row
){
735 #if defined(NCURSES_VERSION) && defined(HAVE_RESIZETERM)
736 resizeterm(winsz
.ws_row
, winsz
.ws_col
);
737 clearok(stdscr
,TRUE
); /* sigwinch's should use a semaphore! */
740 LINES
= winsz
.ws_row
;
742 #ifdef HAVE_SUBSHELL_SUPPORT
746 #endif /* TIOCGWINSZ && !SCO_FLAVOR */
747 #endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
751 change_screen_size (void)
753 #if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
754 #if defined TIOCGWINSZ && !defined SCO_FLAVOR
756 #ifndef NCURSES_VERSION
760 low_level_change_screen_size ();
762 #ifndef NCURSES_VERSION
763 /* XSI Curses spec states that portable applications shall not invoke
764 * initscr() more than once. This kludge could be done within the scope
765 * of the specification by using endwin followed by a refresh (in fact,
766 * more than one curses implementation does this); it is guaranteed to work
773 /* Inform currently running dialog */
774 (*current_dlg
->callback
) (current_dlg
, current_dlg
->current
->dlg_id
,
777 #ifdef RESIZABLE_MENUBAR
778 menubar_arrange (the_menubar
);
781 /* Now, force the redraw */
784 #endif /* TIOCGWINSZ && !SCO_FLAVOR */
785 #endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
789 static int ok_to_refresh
= 1;
791 void use_dash (int flag
)
799 void set_hintbar(char *str
)
801 if (xterm_flag
&& xterm_hintbar
) {
802 fprintf (stdout
, "\33]0;mc - %s\7", str
);
805 label_set_text (the_hint
, str
);
806 if (ok_to_refresh
> 0)
811 void print_vfs_message (char *msg
, ...)
818 g_vsnprintf (str
, sizeof (str
), msg
, ap
);
821 if (midnight_shutdown
)
824 if (!message_visible
|| !the_hint
|| !the_hint
->widget
.parent
) {
826 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
829 attrset (NORMAL_COLOR
);
830 printw ("%-*s", COLS
-1, str
);
835 if (message_visible
|| (xterm_flag
&& xterm_hintbar
)) {
840 void rotate_dash (void)
842 static char rotating_dash
[] = "|/-\\";
845 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
848 if (pos
>= sizeof (rotating_dash
)-1)
851 addch (rotating_dash
[pos
]);
856 void remove_dash (void)
858 if (!nice_rotating_dash
)
861 /* Currently, it's much nicer with the CPU to do this instead of
864 I should implement a routine called invalidate_region that would
865 send a draw message only to the affected views. But for now
873 char *get_nth_panel_name (int num
)
875 static char buffer
[BUF_SMALL
];
878 return "New Left Panel";
880 return "New Right Panel";
882 g_snprintf (buffer
, sizeof (buffer
), "%ith Panel", num
);
887 /* I wonder if I should start to use the folding mode than Dugan uses */
889 /* This is the centralized managing of the panel display types */
890 /* This routine takes care of destroying and creating new widgets */
891 /* Please note that it could manage MAX_VIEWS, not just left and right */
892 /* Currently nothing in the code takes advantage of this and has hard- */
893 /* coded values for two panels only */
895 /* Set the num-th panel to the view type: type */
896 /* This routine also keeps at least one WPanel object in the screen */
897 /* since a lot of routines depend on the current_panel variable */
898 void set_display_type (int num
, int type
)
900 int x
, y
, cols
, lines
;
901 int the_other
; /* Index to the other panel */
902 char *file_name
= 0; /* For Quick view */
903 Widget
*new_widget
, *old_widget
;
904 WPanel
*the_other_panel
;
906 x
= y
= cols
= lines
= 0;
908 if (num
>= MAX_VIEWS
){
909 fprintf (stderr
, "Could not allocate more that %d views\n", MAX_VIEWS
);
913 /* Check that we will have a WPanel * at least */
915 if (type
!= view_listing
){
916 the_other
= num
== 0 ? 1 : 0;
918 if (panels
[the_other
].type
!= view_listing
)
924 if (panels
[num
].widget
){
925 Widget
*w
= panels
[num
].widget
;
926 WPanel
*panel
= (WPanel
*) panels
[num
].widget
;
932 old_widget
= panels
[num
].widget
;
934 if (panels
[num
].type
== view_listing
){
935 if (panel
->frame_size
== frame_full
&& type
!= view_listing
){
936 cols
= COLS
- first_panel_size
;
938 x
= first_panel_size
;
947 new_widget
= (Widget
*) panel_new (get_nth_panel_name (num
));
951 new_widget
= (Widget
*) info_new ();
956 new_widget
= (Widget
*) tree_new (1, 0, 0, 0, 0);
960 new_widget
= (Widget
*) view_new (0, 0, 0, 0, 1);
961 the_other_panel
= (WPanel
*) panels
[the_other
].widget
;
964 the_other_panel
->dir
.list
[the_other_panel
->selected
].fname
;
968 view_init ((WView
*) new_widget
, 0, file_name
, 0);
971 panels
[num
].type
= type
;
972 panels
[num
].widget
= (Widget
*) new_widget
;
974 /* We set the same size the old widget had */
975 widget_set_size ((Widget
*) new_widget
, y
, x
, lines
, cols
);
977 /* We use replace to keep the circular list of the dialog in the */
978 /* same state. Maybe we could just kill it and then replace it */
979 if (midnight_dlg
&& old_widget
){
980 dlg_replace_widget (midnight_dlg
, old_widget
, panels
[num
].widget
);
982 if (type
== view_listing
){
984 left_panel
= (WPanel
*) new_widget
;
986 right_panel
= (WPanel
*) new_widget
;
989 if (type
== view_tree
)
990 the_tree
= (WTree
*) new_widget
;
992 /* Prevent current_panel's value from becoming invalid.
993 * It's just a quick hack to prevent segfaults. Comment out and
995 * - select left panel
996 * - invoke menue left/tree
997 * - as long as you stay in the left panel almost everything that uses
998 * cpanel causes segfault, e.g. C-Enter, C-x c, ...
1001 if (type
!= view_listing
)
1002 if (cpanel
== (WPanel
*) old_widget
)
1003 current_panel
= num
== 0 ? right_panel
: left_panel
;
1006 /* This routine is deeply sticked to the two panels idea.
1007 What should it do in more panels. ANSWER - don't use it
1008 in any multiple panels environment. */
1014 WPanel
*panel1
, *panel2
;
1017 #define panelswap(x) panel. x = panel1-> x; panel1-> x = panel2-> x; panel2-> x = panel. x;
1019 #define panelswapstr(e) strcpy (panel. e, panel1-> e); \
1020 strcpy (panel1-> e, panel2-> e); \
1021 strcpy (panel2-> e, panel. e);
1022 panel1
= (WPanel
*) panels
[0].widget
;
1023 panel2
= (WPanel
*) panels
[1].widget
;
1024 if (panels
[0].type
== view_listing
&& panels
[1].type
== view_listing
) {
1025 /* Change everything except format/sort/panel_name etc. */
1032 panelswap (dirs_marked
);
1034 panelswap (top_file
);
1035 panelswap (selected
);
1036 panelswap (is_panelized
);
1037 panelswap (dir_stat
);
1039 panel1
->searching
= 0;
1040 panel2
->searching
= 0;
1041 if (cpanel
== panel1
)
1042 current_panel
= panel2
;
1044 current_panel
= panel1
;
1045 if (midnight_dlg
->current
->widget
== panels
[0].widget
)
1046 dlg_select_widget (midnight_dlg
, (void *) panels
[1].widget
);
1047 else if (midnight_dlg
->current
->widget
== panels
[1].widget
)
1048 dlg_select_widget (midnight_dlg
, (void *) panels
[0].widget
);
1052 tmp_panel
=right_panel
;
1053 right_panel
=left_panel
;
1054 left_panel
=tmp_panel
;
1056 if (panels
[0].type
== view_listing
) {
1057 if (!strcmp (panel1
->panel_name
, get_nth_panel_name (0))) {
1058 g_free (panel1
->panel_name
);
1059 panel1
->panel_name
= g_strdup (get_nth_panel_name (1));
1062 if (panels
[1].type
== view_listing
) {
1063 if (!strcmp (panel2
->panel_name
, get_nth_panel_name (1))) {
1064 g_free (panel2
->panel_name
);
1065 panel2
->panel_name
= g_strdup (get_nth_panel_name (0));
1069 tmp
.x
= panels
[0].widget
->x
;
1070 tmp
.y
= panels
[0].widget
->y
;
1071 tmp
.cols
= panels
[0].widget
->cols
;
1072 tmp
.lines
= panels
[0].widget
->lines
;
1074 panels
[0].widget
->x
= panels
[1].widget
->x
;
1075 panels
[0].widget
->y
= panels
[1].widget
->y
;
1076 panels
[0].widget
->cols
= panels
[1].widget
->cols
;
1077 panels
[0].widget
->lines
= panels
[1].widget
->lines
;
1079 panels
[1].widget
->x
= tmp
.x
;
1080 panels
[1].widget
->y
= tmp
.y
;
1081 panels
[1].widget
->cols
= tmp
.cols
;
1082 panels
[1].widget
->lines
= tmp
.lines
;
1084 tmp_widget
= panels
[0].widget
;
1085 panels
[0].widget
= panels
[1].widget
;
1086 panels
[1].widget
= tmp_widget
;
1087 tmp_type
= panels
[0].type
;
1088 panels
[0].type
= panels
[1].type
;
1089 panels
[1].type
= tmp_type
;
1093 int get_display_type (int index
)
1095 return panels
[index
].type
;
1098 Widget
*get_panel_widget (int index
)
1100 return panels
[index
].widget
;
1103 int get_current_index (void)
1105 if (panels
[0].widget
== ((Widget
*) cpanel
))
1111 int get_other_index (void)
1113 return !get_current_index ();
1116 /* Returns the view type for the current panel/view */
1117 int get_current_type (void)
1119 if (panels
[0].widget
== (Widget
*) cpanel
)
1120 return panels
[0].type
;
1122 return panels
[1].type
;
1125 /* Returns the view type of the unselected panel */
1126 int get_other_type (void)
1128 if (panels
[0].widget
== (Widget
*) cpanel
)
1129 return panels
[1].type
;
1131 return panels
[0].type
;