2 Panel layout module for the Midnight Commander
4 Copyright (C) 1995-2016
5 Free Software Foundation, Inc.
10 Andrew Borodin <aborodin@vmail.ru>, 2011, 2012, 2013
11 Slava Zanko <slavazanko@gmail.com>, 2013
12 Avi Kelman <patcherton.fixesthings@gmail.com>, 2013
14 This file is part of the Midnight Commander.
16 The Midnight Commander is free software: you can redistribute it
17 and/or modify it under the terms of the GNU General Public License as
18 published by the Free Software Foundation, either version 3 of the License,
19 or (at your option) any later version.
21 The Midnight Commander is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program. If not, see <http://www.gnu.org/licenses/>.
31 * \brief Source: panel layout module
36 #include <pwd.h> /* for username in xterm title */
40 #include <sys/types.h>
43 #include "lib/global.h"
44 #include "lib/tty/tty.h"
46 #include "lib/tty/key.h"
47 #include "lib/tty/mouse.h"
48 #include "lib/mcconfig.h"
49 #include "lib/vfs/vfs.h" /* For _vfs_get_cwd () */
50 #include "lib/strutil.h"
51 #include "lib/widget.h"
52 #include "lib/event.h"
54 #include "src/consaver/cons.saver.h"
55 #include "src/viewer/mcviewer.h" /* The view widget */
56 #include "src/setup.h"
57 #ifdef ENABLE_SUBSHELL
58 #include "src/subshell/subshell.h"
64 /* Needed for the extern declarations of integer parameters */
67 #include "info.h" /* The Info widget */
69 /*** global variables ****************************************************************************/
71 panels_layout_t panels_layout
= {
72 /* Set if the panels are split horizontally */
73 .horizontal_split
= 0,
79 /* horizontal split */
80 .horizontal_equal
= 1,
84 /* Controls the display of the rotating dash on the verbose mode */
85 int nice_rotating_dash
= 1;
87 /* The number of output lines shown (if available) */
90 /* Set if the command prompt is to be displayed */
91 gboolean command_prompt
= TRUE
;
93 /* Set if the main menu is visible */
94 int menubar_visible
= 1;
96 /* Set to show current working dir in xterm window title */
97 gboolean xterm_title
= TRUE
;
99 /* Set to show free space on device assigned to current directory */
102 /* The starting line for the output of the subprogram */
103 int output_start_y
= 0;
105 int ok_to_refresh
= 1;
107 /*** file scope macro definitions ****************************************************************/
109 /* The maximum number of views managed by the set_display_type routine */
110 /* Must be at least two (for current and other). Please note that until */
111 /* Janne gets around this, we will only manage two of them :-) */
114 /* Width 12 for a wee Quick (Hex) View */
118 #define B_2LEFT B_USER
119 #define B_2RIGHT (B_USER + 1)
120 #define B_PLUS (B_USER + 2)
121 #define B_MINUS (B_USER + 3)
123 #define LAYOUT_OPTIONS_COUNT G_N_ELEMENTS (check_options)
125 /*** file scope type declarations ****************************************************************/
127 /*** file scope variables ************************************************************************/
131 panel_view_mode_t type
;
133 char *last_saved_dir
; /* last view_list working directory */
134 } panels
[MAX_VIEWS
] =
137 /* init MAX_VIEWS items */
138 { view_listing
, NULL
, NULL
},
139 { view_listing
, NULL
, NULL
}
143 /* These variables are used to avoid updating the information unless */
145 static panels_layout_t old_layout
;
146 static int old_output_lines
;
148 /* Internal variables */
149 static int equal_split
;
150 static int _output_lines
;
154 static WRadio
*radio_widget
;
164 { N_("&Equal split"), &equal_split
, NULL
},
165 { N_("&Menubar visible"), &menubar_visible
, NULL
},
166 { N_("Command &prompt"), &command_prompt
, NULL
},
167 { N_("&Keybar visible"), &mc_global
.keybar_visible
, NULL
},
168 { N_("H&intbar visible"), &mc_global
.message_visible
, NULL
},
169 { N_("&XTerm window title"), &xterm_title
, NULL
},
170 { N_("&Show free space"), &free_space
, NULL
}
174 static const char *output_lines_label
= NULL
;
175 static int output_lines_label_len
;
177 static WButton
*bleft_widget
, *bright_widget
;
179 /*** file scope functions ************************************************************************/
180 /* --------------------------------------------------------------------------------------------- */
182 /* don't use max() macro to avoid double call of str_term_width1() in widget width calculation */
188 return a
> b
? a
: b
;
191 /* --------------------------------------------------------------------------------------------- */
194 check_split (panels_layout_t
* layout
)
196 if (layout
->horizontal_split
)
198 if (layout
->horizontal_equal
)
199 layout
->top_panel_size
= height
/ 2;
200 else if (layout
->top_panel_size
< MINHEIGHT
)
201 layout
->top_panel_size
= MINHEIGHT
;
202 else if (layout
->top_panel_size
> height
- MINHEIGHT
)
203 layout
->top_panel_size
= height
- MINHEIGHT
;
207 if (layout
->vertical_equal
)
208 layout
->left_panel_size
= COLS
/ 2;
209 else if (layout
->left_panel_size
< MINWIDTH
)
210 layout
->left_panel_size
= MINWIDTH
;
211 else if (layout
->left_panel_size
> COLS
- MINWIDTH
)
212 layout
->left_panel_size
= COLS
- MINWIDTH
;
216 /* --------------------------------------------------------------------------------------------- */
219 update_split (const WDialog
* h
)
221 /* Check split has to be done before testing if it changed, since
222 it can change due to calling check_split() as well */
223 check_split (&panels_layout
);
225 if (panels_layout
.horizontal_split
)
226 check_options
[0].widget
->state
= panels_layout
.horizontal_equal
? 1 : 0;
228 check_options
[0].widget
->state
= panels_layout
.vertical_equal
? 1 : 0;
229 widget_redraw (WIDGET (check_options
[0].widget
));
231 tty_setcolor ((check_options
[0].widget
->state
& C_BOOL
) ? DISABLED_COLOR
: COLOR_NORMAL
);
233 widget_move (h
, 6, 5);
234 if (panels_layout
.horizontal_split
)
235 tty_printf ("%03d", panels_layout
.top_panel_size
);
237 tty_printf ("%03d", panels_layout
.left_panel_size
);
239 widget_move (h
, 6, 17);
240 if (panels_layout
.horizontal_split
)
241 tty_printf ("%03d", height
- panels_layout
.top_panel_size
);
243 tty_printf ("%03d", COLS
- panels_layout
.left_panel_size
);
245 widget_move (h
, 6, 12);
246 tty_print_char ('=');
249 /* --------------------------------------------------------------------------------------------- */
252 b_left_right_cback (WButton
* button
, int action
)
256 if (button
== bright_widget
)
258 if (panels_layout
.horizontal_split
)
259 panels_layout
.top_panel_size
++;
261 panels_layout
.left_panel_size
++;
265 if (panels_layout
.horizontal_split
)
266 panels_layout
.top_panel_size
--;
268 panels_layout
.left_panel_size
--;
271 update_split (WIDGET (button
)->owner
);
277 /* --------------------------------------------------------------------------------------------- */
280 bplus_cback (WButton
* button
, int action
)
285 if (_output_lines
< 99)
290 /* --------------------------------------------------------------------------------------------- */
293 bminus_cback (WButton
* button
, int action
)
298 if (_output_lines
> 0)
303 /* --------------------------------------------------------------------------------------------- */
306 layout_callback (Widget
* w
, Widget
* sender
, widget_msg_t msg
, int parm
, void *data
)
308 WDialog
*h
= DIALOG (w
);
313 /* When repainting the whole dialog (e.g. with C-l) we have to
315 dlg_default_repaint (h
);
317 old_output_lines
= -1;
321 if (old_output_lines
!= _output_lines
)
323 old_output_lines
= _output_lines
;
324 tty_setcolor (mc_global
.tty
.console_flag
!= '\0' ? COLOR_NORMAL
: DISABLED_COLOR
);
325 widget_move (h
, 9, 5);
326 tty_print_string (output_lines_label
);
327 widget_move (h
, 9, 5 + 3 + output_lines_label_len
);
328 tty_printf ("%02d", _output_lines
);
334 int _menubar_visible
, _command_prompt
, _keybar_visible
, _message_visible
;
336 _menubar_visible
= check_options
[1].widget
->state
& C_BOOL
;
337 _command_prompt
= check_options
[2].widget
->state
& C_BOOL
;
338 _keybar_visible
= check_options
[3].widget
->state
& C_BOOL
;
339 _message_visible
= check_options
[4].widget
->state
& C_BOOL
;
341 if (mc_global
.tty
.console_flag
!= '\0')
345 if (_output_lines
< 0)
348 LINES
- _keybar_visible
- _command_prompt
- _menubar_visible
- _output_lines
-
350 minimum
= MINHEIGHT
* (1 + panels_layout
.horizontal_split
);
351 if (height
< minimum
)
353 _output_lines
-= minimum
- height
;
359 LINES
- _keybar_visible
- _command_prompt
- _menubar_visible
- _output_lines
-
362 if (old_output_lines
!= _output_lines
)
364 old_output_lines
= _output_lines
;
365 tty_setcolor (mc_global
.tty
.console_flag
!= '\0' ? COLOR_NORMAL
: DISABLED_COLOR
);
366 widget_move (h
, 9, 5 + 3 + output_lines_label_len
);
367 tty_printf ("%02d", _output_lines
);
373 if (sender
== WIDGET (radio_widget
))
375 if (panels_layout
.horizontal_split
!= radio_widget
->sel
)
379 panels_layout
.horizontal_split
= radio_widget
->sel
;
381 if (panels_layout
.horizontal_split
)
383 eq
= panels_layout
.horizontal_equal
;
385 panels_layout
.top_panel_size
= height
/ 2;
389 eq
= panels_layout
.vertical_equal
;
391 panels_layout
.left_panel_size
= COLS
/ 2;
394 widget_disable (WIDGET (bleft_widget
), eq
);
395 widget_disable (WIDGET (bright_widget
), eq
);
407 if (sender
== WIDGET (check_options
[0].widget
))
411 if (panels_layout
.horizontal_split
)
413 panels_layout
.horizontal_equal
= check_options
[0].widget
->state
& C_BOOL
;
414 eq
= panels_layout
.horizontal_equal
;
418 panels_layout
.vertical_equal
= check_options
[0].widget
->state
& C_BOOL
;
419 eq
= panels_layout
.vertical_equal
;
422 widget_disable (WIDGET (bleft_widget
), eq
);
423 widget_disable (WIDGET (bright_widget
), eq
);
432 return MSG_NOT_HANDLED
;
435 return dlg_default_callback (w
, sender
, msg
, parm
, data
);
439 /* --------------------------------------------------------------------------------------------- */
449 const char *title1
= N_("Panel split");
450 const char *title2
= N_("Console output");
451 const char *title3
= N_("Other options");
453 const char *s_split_direction
[2] = {
458 const char *ok_button
= N_("&OK");
459 const char *cancel_button
= N_("&Cancel");
461 output_lines_label
= _("Output lines:");
463 /* save old params */
464 old_output_lines
= -1;
465 _output_lines
= output_lines
;
469 static gboolean i18n
= FALSE
;
475 i
= G_N_ELEMENTS (s_split_direction
);
477 s_split_direction
[i
] = _(s_split_direction
[i
]);
481 for (i
= 0; i
< (size_t) LAYOUT_OPTIONS_COUNT
; i
++)
482 check_options
[i
].text
= _(check_options
[i
].text
);
486 ok_button
= _(ok_button
);
487 cancel_button
= _(cancel_button
);
492 i
= G_N_ELEMENTS (s_split_direction
);
494 l1
= max (l1
, str_term_width1 (s_split_direction
[i
]) + 7);
496 for (i
= 0; i
< (size_t) LAYOUT_OPTIONS_COUNT
; i
++)
497 l1
= max (l1
, str_term_width1 (check_options
[i
].text
) + 7);
499 l1
= max (l1
, str_term_width1 (title1
) + 4);
500 l1
= max (l1
, str_term_width1 (title2
) + 4);
501 l1
= max (l1
, str_term_width1 (title3
) + 4);
502 /* label + "+"/"-" buttons */
503 output_lines_label_len
= str_term_width1 (output_lines_label
);
504 l1
= max (l1
, output_lines_label_len
+ 12);
506 b1
= str_term_width1 (ok_button
) + 5; /* default button */
507 b2
= str_term_width1 (cancel_button
) + 3;
510 width
= max (l1
* 2 + 7, b
);
513 dlg_create (TRUE
, 0, 0, 15, width
, dialog_colors
, layout_callback
, NULL
, "[Layout]",
514 _("Layout"), DLG_CENTER
);
516 #define XTRACT(i) *check_options[i].variable, check_options[i].text
518 /* "Panel split" groupbox */
519 add_widget (layout_dlg
, groupbox_new (2, 3, 6, l1
, title1
));
521 radio_widget
= radio_new (3, 5, 2, s_split_direction
);
522 radio_widget
->sel
= panels_layout
.horizontal_split
;
523 add_widget (layout_dlg
, radio_widget
);
525 check_options
[0].widget
= check_new (5, 5, XTRACT (0));
526 add_widget (layout_dlg
, check_options
[0].widget
);
528 equal_split
= panels_layout
.horizontal_split
?
529 panels_layout
.horizontal_equal
: panels_layout
.vertical_equal
;
531 bleft_widget
= button_new (6, 8, B_2LEFT
, NARROW_BUTTON
, "&<", b_left_right_cback
);
532 widget_disable (WIDGET (bleft_widget
), equal_split
);
533 add_widget (layout_dlg
, bleft_widget
);
535 bright_widget
= button_new (6, 14, B_2RIGHT
, NARROW_BUTTON
, "&>", b_left_right_cback
);
536 widget_disable (WIDGET (bright_widget
), equal_split
);
537 add_widget (layout_dlg
, bright_widget
);
539 /* "Console output" groupbox */
541 const int disabled
= mc_global
.tty
.console_flag
!= '\0' ? 0 : W_DISABLED
;
544 w
= WIDGET (groupbox_new (8, 3, 3, l1
, title2
));
545 w
->options
|= disabled
;
546 add_widget (layout_dlg
, w
);
548 w
= WIDGET (button_new (9, output_lines_label_len
+ 5, B_PLUS
,
549 NARROW_BUTTON
, "&+", bplus_cback
));
550 w
->options
|= disabled
;
551 add_widget (layout_dlg
, w
);
553 w
= WIDGET (button_new (9, output_lines_label_len
+ 5 + 5, B_MINUS
,
554 NARROW_BUTTON
, "&-", bminus_cback
));
555 w
->options
|= disabled
;
556 add_widget (layout_dlg
, w
);
559 /* "Other options" groupbox */
560 add_widget (layout_dlg
, groupbox_new (2, 4 + l1
, 9, l1
, title3
));
562 for (i
= 1; i
< (size_t) LAYOUT_OPTIONS_COUNT
; i
++)
564 check_options
[i
].widget
= check_new (i
+ 2, 6 + l1
, XTRACT (i
));
565 add_widget (layout_dlg
, check_options
[i
].widget
);
570 add_widget (layout_dlg
, hline_new (11, -1, -1));
572 add_widget (layout_dlg
,
573 button_new (12, (width
- b
) / 2, B_ENTER
, DEFPUSH_BUTTON
, ok_button
, 0));
574 add_widget (layout_dlg
,
575 button_new (12, (width
- b
) / 2 + b1
+ 1, B_CANCEL
, NORMAL_BUTTON
,
578 dlg_select_widget (radio_widget
);
583 /* --------------------------------------------------------------------------------------------- */
586 panel_do_cols (int idx
)
588 if (get_display_type (idx
) == view_listing
)
589 set_panel_formats (PANEL (panels
[idx
].widget
));
591 panel_update_cols (panels
[idx
].widget
, frame_half
);
594 /* --------------------------------------------------------------------------------------------- */
595 /** Save current list_view widget directory into panel */
598 restore_into_right_dir_panel (int idx
, Widget
* from_widget
)
601 const char *saved_dir
= panels
[idx
].last_saved_dir
;
602 gboolean last_was_panel
= (from_widget
&& get_display_type (idx
) != view_listing
);
603 const char *p_name
= get_nth_panel_name (idx
);
607 vfs_path_t
*saved_dir_vpath
;
609 saved_dir_vpath
= vfs_path_from_str (saved_dir
);
610 new_widget
= panel_new_with_dir (p_name
, saved_dir_vpath
);
611 vfs_path_free (saved_dir_vpath
);
614 new_widget
= panel_new (p_name
);
616 return WIDGET (new_widget
);
619 /* --------------------------------------------------------------------------------------------- */
620 /*** public functions ****************************************************************************/
621 /* --------------------------------------------------------------------------------------------- */
627 /* update the main menu, because perhaps there was a change in the way
628 how the panel are split (horizontal/vertical),
629 and a change of menu visibility. */
634 /* --------------------------------------------------------------------------------------------- */
641 old_layout
= panels_layout
;
642 old_output_lines
= output_lines
;
643 layout_dlg
= init_layout ();
645 if (dlg_run (layout_dlg
) == B_ENTER
)
649 for (i
= 0; i
< (size_t) LAYOUT_OPTIONS_COUNT
; i
++)
650 if (check_options
[i
].widget
!= NULL
)
651 *check_options
[i
].variable
= check_options
[i
].widget
->state
& C_BOOL
;
656 panels_layout
= old_layout
;
657 output_lines
= old_output_lines
;
658 update_split (layout_dlg
);
661 dlg_destroy (layout_dlg
);
666 /* --------------------------------------------------------------------------------------------- */
673 if (mc_global
.tty
.console_flag
!= '\0')
677 if (output_lines
< 0)
680 LINES
- mc_global
.keybar_visible
- (command_prompt
? 1 : 0) - menubar_visible
-
681 output_lines
- mc_global
.message_visible
;
682 minimum
= MINHEIGHT
* (1 + panels_layout
.horizontal_split
);
683 if (height
< minimum
)
685 output_lines
-= minimum
- height
;
692 LINES
- menubar_visible
- (command_prompt
? 1 : 0) - mc_global
.keybar_visible
-
693 mc_global
.message_visible
;
696 check_split (&panels_layout
);
697 start_y
= menubar_visible
;
699 /* The column computing is deferred until panel_do_cols */
700 if (panels_layout
.horizontal_split
)
702 widget_set_size (panels
[0].widget
, start_y
, 0, panels_layout
.top_panel_size
, 0);
703 widget_set_size (panels
[1].widget
, start_y
+ panels_layout
.top_panel_size
, 0,
704 height
- panels_layout
.top_panel_size
, 0);
708 widget_set_size (panels
[0].widget
, start_y
, 0, height
, 0);
709 widget_set_size (panels
[1].widget
, start_y
, panels_layout
.left_panel_size
, height
, 0);
715 widget_set_size (WIDGET (the_menubar
), 0, 0, 1, COLS
);
719 #ifdef ENABLE_SUBSHELL
720 if (!mc_global
.tty
.use_subshell
|| !do_load_prompt ())
726 widget_set_size (WIDGET (cmdline
), 0, 0, 0, 0);
727 widget_set_size (WIDGET (the_prompt
), LINES
, COLS
, 0, 0);
730 widget_set_size (WIDGET (the_bar
), LINES
- 1, 0, mc_global
.keybar_visible
, COLS
);
731 buttonbar_set_visible (the_bar
, mc_global
.keybar_visible
);
734 if (mc_global
.tty
.console_flag
!= '\0' && output_lines
)
736 output_start_y
= LINES
- (command_prompt
? 1 : 0) - mc_global
.keybar_visible
- output_lines
;
737 show_console_contents (output_start_y
,
738 LINES
- output_lines
- mc_global
.keybar_visible
- 1,
739 LINES
- mc_global
.keybar_visible
- 1);
742 if (mc_global
.message_visible
)
743 widget_set_size (WIDGET (the_hint
), height
+ start_y
, 0, 1, COLS
);
745 widget_set_size (WIDGET (the_hint
), 0, 0, 0, 0);
747 update_xterm_title_path ();
750 /* --------------------------------------------------------------------------------------------- */
753 panels_split_equal (void)
755 if (panels_layout
.horizontal_split
)
756 panels_layout
.horizontal_equal
= TRUE
;
758 panels_layout
.vertical_equal
= TRUE
;
764 /* --------------------------------------------------------------------------------------------- */
767 panels_split_more (void)
769 if (panels_layout
.horizontal_split
)
771 panels_layout
.horizontal_equal
= FALSE
;
772 panels_layout
.top_panel_size
++;
776 panels_layout
.vertical_equal
= FALSE
;
777 panels_layout
.left_panel_size
++;
783 /* --------------------------------------------------------------------------------------------- */
786 panels_split_less (void)
788 if (panels_layout
.horizontal_split
)
790 panels_layout
.horizontal_equal
= FALSE
;
791 panels_layout
.top_panel_size
--;
795 panels_layout
.vertical_equal
= FALSE
;
796 panels_layout
.left_panel_size
--;
802 /* --------------------------------------------------------------------------------------------- */
810 char *tmp_prompt
= (char *) mc_prompt
;
812 #ifdef ENABLE_SUBSHELL
813 if (mc_global
.tty
.use_subshell
)
815 tmp_prompt
= g_string_free (subshell_prompt
, FALSE
);
816 (void) strip_ctrl_codes (tmp_prompt
);
820 prompt_width
= str_term_width1 (tmp_prompt
);
822 /* Check for prompts too big */
823 if (COLS
> 8 && prompt_width
> COLS
- 8)
827 prompt_width
= COLS
- 8;
828 prompt_len
= str_offset_to_pos (tmp_prompt
, prompt_width
);
829 tmp_prompt
[prompt_len
] = '\0';
832 #ifdef ENABLE_SUBSHELL
833 if (mc_global
.tty
.use_subshell
)
835 subshell_prompt
= g_string_new (tmp_prompt
);
837 mc_prompt
= subshell_prompt
->str
;
841 y
= LINES
- 1 - mc_global
.keybar_visible
;
843 widget_set_size (WIDGET (the_prompt
), y
, 0, 1, prompt_width
);
844 label_set_text (the_prompt
, mc_prompt
);
845 widget_set_size (WIDGET (cmdline
), y
, prompt_width
, 1, COLS
- prompt_width
);
848 /* --------------------------------------------------------------------------------------------- */
851 use_dash (gboolean flag
)
859 /* --------------------------------------------------------------------------------------------- */
862 set_hintbar (const char *str
)
864 label_set_text (the_hint
, str
);
865 if (ok_to_refresh
> 0)
869 /* --------------------------------------------------------------------------------------------- */
872 rotate_dash (gboolean show
)
874 Widget
*w
= WIDGET (midnight_dlg
);
876 if (!nice_rotating_dash
|| (ok_to_refresh
<= 0))
879 widget_move (w
, (menubar_visible
!= 0) ? 1 : 0, w
->cols
- 1);
880 tty_setcolor (NORMAL_COLOR
);
883 tty_print_alt_char (ACS_URCORNER
, FALSE
);
886 static const char rotating_dash
[4] = "|/-\\";
887 static size_t pos
= 0;
889 tty_print_char (rotating_dash
[pos
]);
890 pos
= (pos
+ 1) % sizeof (rotating_dash
);
896 /* --------------------------------------------------------------------------------------------- */
899 get_nth_panel_name (int num
)
902 return "New Left Panel";
904 return "New Right Panel";
907 static char buffer
[BUF_SMALL
];
909 g_snprintf (buffer
, sizeof (buffer
), "%ith Panel", num
);
914 /* --------------------------------------------------------------------------------------------- */
915 /* I wonder if I should start to use the folding mode than Dugan uses */
917 /* This is the centralized managing of the panel display types */
918 /* This routine takes care of destroying and creating new widgets */
919 /* Please note that it could manage MAX_VIEWS, not just left and right */
920 /* Currently nothing in the code takes advantage of this and has hard- */
921 /* coded values for two panels only */
923 /* Set the num-th panel to the view type: type */
924 /* This routine also keeps at least one WPanel object in the screen */
925 /* since a lot of routines depend on the current_panel variable */
928 set_display_type (int num
, panel_view_mode_t type
)
930 int x
= 0, y
= 0, cols
= 0, lines
= 0;
931 unsigned int the_other
= 0; /* Index to the other panel */
932 const char *file_name
= NULL
; /* For Quick view */
933 Widget
*new_widget
= NULL
, *old_widget
= NULL
;
934 panel_view_mode_t old_type
= view_listing
;
935 WPanel
*the_other_panel
= NULL
;
937 if (num
>= MAX_VIEWS
)
939 fprintf (stderr
, "Cannot allocate more that %d views\n", MAX_VIEWS
);
942 /* Check that we will have a WPanel * at least */
943 if (type
!= view_listing
)
945 the_other
= num
== 0 ? 1 : 0;
947 if (panels
[the_other
].type
!= view_listing
)
952 if (panels
[num
].widget
!= NULL
)
954 Widget
*w
= panels
[num
].widget
;
955 WPanel
*panel
= PANEL (w
);
962 old_type
= panels
[num
].type
;
964 if (old_type
== view_listing
&& panel
->frame_size
== frame_full
&& type
!= view_listing
)
966 if (panels_layout
.horizontal_split
)
973 cols
= COLS
- panels_layout
.left_panel_size
;
975 x
= panels_layout
.left_panel_size
;
980 /* Restoring saved path from panels.ini for nonlist panel */
981 /* when it's first creation (for example view_info) */
982 if (old_widget
== NULL
&& type
!= view_listing
)
983 panels
[num
].last_saved_dir
= _vfs_get_cwd ();
989 new_widget
= restore_into_right_dir_panel (num
, old_widget
);
990 widget_set_size (new_widget
, y
, x
, lines
, cols
);
994 new_widget
= WIDGET (info_new (y
, x
, lines
, cols
));
998 new_widget
= WIDGET (tree_new (y
, x
, lines
, cols
, TRUE
));
1002 new_widget
= WIDGET (mcview_new (y
, x
, lines
, cols
, TRUE
));
1003 the_other_panel
= PANEL (panels
[the_other
].widget
);
1004 if (the_other_panel
!= NULL
)
1005 file_name
= the_other_panel
->dir
.list
[the_other_panel
->selected
].fname
;
1009 mcview_load ((WView
*) new_widget
, 0, file_name
, 0, 0, 0);
1016 if (type
!= view_listing
)
1017 /* Must save dir, for restoring after change type to */
1019 save_panel_dir (num
);
1021 panels
[num
].type
= type
;
1022 panels
[num
].widget
= new_widget
;
1024 /* We use replace to keep the circular list of the dialog in the */
1025 /* same state. Maybe we could just kill it and then replace it */
1026 if ((midnight_dlg
!= NULL
) && (old_widget
!= NULL
))
1028 if (old_type
== view_listing
)
1030 /* save and write directory history of panel
1031 * ... and other histories of midnight_dlg */
1032 dlg_save_history (midnight_dlg
);
1035 widget_replace (old_widget
, new_widget
);
1038 if (type
== view_listing
)
1040 WPanel
*panel
= PANEL (new_widget
);
1042 /* if existing panel changed type to view_listing, then load history */
1043 if (old_widget
!= NULL
)
1045 ev_history_load_save_t event_data
= { NULL
, new_widget
};
1047 mc_event_raise (midnight_dlg
->event_group
, MCEVENT_HISTORY_LOAD
, &event_data
);
1053 right_panel
= panel
;
1055 /* forced update format after set new sizes */
1056 set_panel_formats (panel
);
1059 if (type
== view_tree
)
1060 the_tree
= (WTree
*) new_widget
;
1062 /* Prevent current_panel's value from becoming invalid.
1063 * It's just a quick hack to prevent segfaults. Comment out and
1065 * - select left panel
1066 * - invoke menue left/tree
1067 * - as long as you stay in the left panel almost everything that uses
1068 * current_panel causes segfault, e.g. C-Enter, C-x c, ...
1070 if ((type
!= view_listing
) && (current_panel
== PANEL (old_widget
)))
1071 current_panel
= num
== 0 ? right_panel
: left_panel
;
1073 g_free (old_widget
);
1076 /* --------------------------------------------------------------------------------------------- */
1077 /** This routine is deeply sticked to the two panels idea.
1078 What should it do in more panels. ANSWER - don't use it
1079 in any multiple panels environment. */
1084 WPanel
*panel1
, *panel2
;
1087 panel1
= PANEL (panels
[0].widget
);
1088 panel2
= PANEL (panels
[1].widget
);
1090 if (panels
[0].type
== view_listing
&& panels
[1].type
== view_listing
&&
1091 !mc_config_get_bool (mc_global
.main_config
, CONFIG_PANELS_SECTION
, "simple_swap", FALSE
))
1095 #define panelswap(x) panel.x = panel1->x; panel1->x = panel2->x; panel2->x = panel.x;
1097 #define panelswapstr(e) strcpy (panel.e, panel1->e); \
1098 strcpy (panel1->e, panel2->e); \
1099 strcpy (panel2->e, panel.e);
1100 /* Change content and related stuff */
1103 panelswap (cwd_vpath
);
1104 panelswap (lwd_vpath
);
1106 panelswap (dirs_marked
);
1108 panelswap (top_file
);
1109 panelswap (selected
);
1110 panelswap (is_panelized
);
1111 panelswap (dir_stat
);
1115 panel1
->searching
= FALSE
;
1116 panel2
->searching
= FALSE
;
1118 if (current_panel
== panel1
)
1119 current_panel
= panel2
;
1121 current_panel
= panel1
;
1123 /* if sort options are different -> resort panels */
1124 if (memcmp (&panel1
->sort_info
, &panel2
->sort_info
, sizeof (dir_sort_options_t
)) != 0)
1126 panel_re_sort (other_panel
);
1127 panel_re_sort (current_panel
);
1130 if (widget_is_active (panels
[0].widget
))
1131 dlg_select_widget (panels
[1].widget
);
1132 else if (widget_is_active (panels
[1].widget
))
1133 dlg_select_widget (panels
[0].widget
);
1138 int x
, y
, cols
, lines
;
1141 tmp_panel
= right_panel
;
1142 right_panel
= left_panel
;
1143 left_panel
= tmp_panel
;
1145 if (panels
[0].type
== view_listing
)
1147 if (strcmp (panel1
->panel_name
, get_nth_panel_name (0)) == 0)
1149 g_free (panel1
->panel_name
);
1150 panel1
->panel_name
= g_strdup (get_nth_panel_name (1));
1153 if (panels
[1].type
== view_listing
)
1155 if (strcmp (panel2
->panel_name
, get_nth_panel_name (1)) == 0)
1157 g_free (panel2
->panel_name
);
1158 panel2
->panel_name
= g_strdup (get_nth_panel_name (0));
1162 x
= panels
[0].widget
->x
;
1163 y
= panels
[0].widget
->y
;
1164 cols
= panels
[0].widget
->cols
;
1165 lines
= panels
[0].widget
->lines
;
1167 panels
[0].widget
->x
= panels
[1].widget
->x
;
1168 panels
[0].widget
->y
= panels
[1].widget
->y
;
1169 panels
[0].widget
->cols
= panels
[1].widget
->cols
;
1170 panels
[0].widget
->lines
= panels
[1].widget
->lines
;
1172 panels
[1].widget
->x
= x
;
1173 panels
[1].widget
->y
= y
;
1174 panels
[1].widget
->cols
= cols
;
1175 panels
[1].widget
->lines
= lines
;
1177 tmp_widget
= panels
[0].widget
;
1178 panels
[0].widget
= panels
[1].widget
;
1179 panels
[1].widget
= tmp_widget
;
1180 tmp_type
= panels
[0].type
;
1181 panels
[0].type
= panels
[1].type
;
1182 panels
[1].type
= tmp_type
;
1184 /* force update formats because of possible changed sizes */
1185 if (panels
[0].type
== view_listing
)
1186 set_panel_formats (PANEL (panels
[0].widget
));
1187 if (panels
[1].type
== view_listing
)
1188 set_panel_formats (PANEL (panels
[1].widget
));
1192 /* --------------------------------------------------------------------------------------------- */
1195 get_display_type (int idx
)
1197 return panels
[idx
].type
;
1200 /* --------------------------------------------------------------------------------------------- */
1203 get_panel_widget (int idx
)
1205 return panels
[idx
].widget
;
1208 /* --------------------------------------------------------------------------------------------- */
1211 get_current_index (void)
1213 if (panels
[0].widget
== WIDGET (current_panel
))
1219 /* --------------------------------------------------------------------------------------------- */
1222 get_other_index (void)
1224 return !get_current_index ();
1227 /* --------------------------------------------------------------------------------------------- */
1230 get_other_panel (void)
1232 return PANEL (get_panel_widget (get_other_index ()));
1235 /* --------------------------------------------------------------------------------------------- */
1236 /** Returns the view type for the current panel/view */
1239 get_current_type (void)
1241 if (panels
[0].widget
== WIDGET (current_panel
))
1242 return panels
[0].type
;
1244 return panels
[1].type
;
1247 /* --------------------------------------------------------------------------------------------- */
1248 /** Returns the view type of the unselected panel */
1251 get_other_type (void)
1253 if (panels
[0].widget
== WIDGET (current_panel
))
1254 return panels
[1].type
;
1256 return panels
[0].type
;
1259 /* --------------------------------------------------------------------------------------------- */
1260 /** Save current list_view widget directory into panel */
1263 save_panel_dir (int idx
)
1265 panel_view_mode_t type
= get_display_type (idx
);
1266 Widget
*widget
= get_panel_widget (idx
);
1268 if ((type
== view_listing
) && (widget
!= NULL
))
1270 WPanel
*w
= PANEL (widget
);
1272 g_free (panels
[idx
].last_saved_dir
); /* last path no needed */
1273 /* Because path can be nonlocal */
1274 panels
[idx
].last_saved_dir
= g_strdup (vfs_path_as_str (w
->cwd_vpath
));
1278 /* --------------------------------------------------------------------------------------------- */
1279 /** Return working dir, if it's view_listing - cwd,
1280 but for other types - last_saved_dir */
1283 get_panel_dir_for (const WPanel
* widget
)
1287 for (i
= 0; i
< MAX_VIEWS
; i
++)
1288 if (PANEL (get_panel_widget (i
)) == widget
)
1292 return g_strdup (".");
1294 if (get_display_type (i
) == view_listing
)
1296 vfs_path_t
*cwd_vpath
;
1298 cwd_vpath
= PANEL (get_panel_widget (i
))->cwd_vpath
;
1299 return g_strdup (vfs_path_as_str (cwd_vpath
));
1302 return g_strdup (panels
[i
].last_saved_dir
);
1305 /* --------------------------------------------------------------------------------------------- */
1307 #ifdef ENABLE_SUBSHELL
1309 do_load_prompt (void)
1311 gboolean ret
= FALSE
;
1313 if (!read_subshell_prompt ())
1316 /* Don't actually change the prompt if it's invisible */
1317 if (top_dlg
!= NULL
&& DIALOG (top_dlg
->data
) == midnight_dlg
&& command_prompt
)
1321 /* since the prompt has changed, and we are called from one of the
1322 * tty_get_event channels, the prompt updating does not take place
1323 * automatically: force a cursor update and a screen refresh
1325 update_cursor (midnight_dlg
);
1329 update_subshell_prompt
= TRUE
;
1333 /* --------------------------------------------------------------------------------------------- */
1336 load_prompt (int fd
, void *unused
)
1344 #endif /* ENABLE_SUBSHELL */
1346 /* --------------------------------------------------------------------------------------------- */
1349 title_path_prepare (char **path
, char **login
)
1351 char host
[BUF_TINY
];
1352 struct passwd
*pw
= NULL
;
1356 vfs_path_to_str_flags (current_panel
->cwd_vpath
, 0, VPF_STRIP_HOME
| VPF_STRIP_PASSWORD
);
1358 res
= gethostname (host
, sizeof (host
));
1362 host
[sizeof (host
) - 1] = '\0';
1364 pw
= getpwuid (getuid ());
1366 *login
= g_strdup_printf ("%s@%s", pw
->pw_name
, host
);
1368 *login
= g_strdup (host
);
1371 /* --------------------------------------------------------------------------------------------- */
1373 /** Show current directory in the xterm title */
1375 update_xterm_title_path (void)
1377 if (mc_global
.tty
.xterm_flag
&& xterm_title
)
1383 title_path_prepare (&path
, &login
);
1385 p
= g_strdup_printf ("mc [%s]:%s", login
, path
);
1389 fprintf (stdout
, "\33]0;%s\7", str_term_form (p
));
1392 if (!mc_global
.tty
.alternate_plus_minus
)
1393 numeric_keypad_mode ();
1394 (void) fflush (stdout
);
1398 /* --------------------------------------------------------------------------------------------- */