1 /* Dialog box features module for the Midnight Commander
2 Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 * \brief Source: dialog box features module
32 #include "lib/global.h"
34 #include "lib/tty/tty.h"
36 #include "lib/tty/mouse.h"
37 #include "lib/tty/key.h"
38 #include "lib/strutil.h"
40 #include "help.h" /* interactive_display() */
42 #include "execute.h" /* suspend_cmd() */
45 #include "main.h" /* fast_refresh */
46 #include "setup.h" /* mouse_close_dialog */
49 #include "dialog-switch.h"
51 /* Color styles for normal and error dialogs */
52 dlg_colors_t dialog_colors
;
53 dlg_colors_t alarm_colors
;
55 /* Primitive way to check if the the current dialog is our dialog */
56 /* This is needed by async routines like load_prompt */
57 GList
*top_dlg
= NULL
;
59 /* A hook list for idle events */
60 Hook
*idle_hook
= NULL
;
62 /* left click outside of dialog closes it */
63 int mouse_close_dialog
= 0;
65 static void dlg_broadcast_msg_to (Dlg_head
* h
, widget_msg_t message
, gboolean reverse
, int flags
);
67 /* draw box in window */
69 draw_box (Dlg_head
* h
, int y
, int x
, int ys
, int xs
, gboolean single
)
71 tty_draw_box (h
->y
+ y
, h
->x
+ x
, ys
, xs
, single
);
75 init_widget (Widget
* w
, int y
, int x
, int lines
, int cols
,
76 callback_fn callback
, mouse_h mouse_handler
)
82 w
->callback
= callback
;
83 w
->mouse
= mouse_handler
;
86 /* Almost all widgets want to put the cursor in a suitable place */
87 w
->options
= W_WANT_CURSOR
;
91 widget_set_size (Widget
* widget
, int y
, int x
, int lines
, int cols
)
96 widget
->lines
= lines
;
97 send_message (widget
, WIDGET_RESIZED
, 0 /* unused */ );
101 widget_erase (Widget
* w
)
104 tty_fill_region (w
->y
, w
->x
, w
->lines
, w
->cols
, ' ');
107 /* Clean the dialog area, draw the frame and the title */
109 common_dialog_repaint (Dlg_head
*h
)
113 if (h
->state
!= DLG_ACTIVE
)
116 space
= (h
->flags
& DLG_COMPACT
) ? 0 : 1;
118 tty_setcolor (h
->color
[DLG_COLOR_NORMAL
]);
120 draw_box (h
, space
, space
, h
->lines
- 2 * space
, h
->cols
- 2 * space
, FALSE
);
122 if (h
->title
!= NULL
)
124 tty_setcolor (h
->color
[DLG_COLOR_TITLE
]);
125 dlg_move (h
, space
, (h
->cols
- str_term_width1 (h
->title
)) / 2);
126 tty_print_string (h
->title
);
130 /* this function allows to set dialog position */
132 dlg_set_position (Dlg_head
* h
, int y1
, int x1
, int y2
, int x2
)
134 /* save old positions, will be used to reposition childs */
136 int shift_x
, shift_y
, scale_x
, scale_y
;
138 /* save old positions, will be used to reposition childs */
149 /* dialog is empty */
150 if (h
->widgets
== NULL
)
153 if (h
->current
== NULL
)
154 h
->current
= h
->widgets
;
156 /* values by which controls should be moved */
159 scale_x
= h
->cols
- oc
;
160 scale_y
= h
->lines
- ol
;
162 if ((shift_x
!= 0) || (shift_y
!= 0) || (scale_x
!= 0) || (scale_y
!= 0))
166 for (w
= h
->widgets
; w
!= NULL
; w
= g_list_next (w
))
168 /* there are, mainly, 2 generally possible
171 1. control sticks to one side - it
174 2. control sticks to two sides of
175 one direction - it should be sized */
177 Widget
*c
= (Widget
*) w
->data
;
181 int lines
= c
->lines
;
183 if ((c
->pos_flags
& WPOS_KEEP_LEFT
) && (c
->pos_flags
& WPOS_KEEP_RIGHT
))
188 else if (c
->pos_flags
& WPOS_KEEP_LEFT
)
190 else if (c
->pos_flags
& WPOS_KEEP_RIGHT
)
191 x
+= shift_x
+ scale_x
;
193 if ((c
->pos_flags
& WPOS_KEEP_TOP
) && (c
->pos_flags
& WPOS_KEEP_BOTTOM
))
198 else if (c
->pos_flags
& WPOS_KEEP_TOP
)
200 else if (c
->pos_flags
& WPOS_KEEP_BOTTOM
)
201 y
+= shift_y
+ scale_y
;
203 widget_set_size (c
, y
, x
, lines
, cols
);
208 /* this function sets only size, leaving positioning to automatic methods */
210 dlg_set_size (Dlg_head
* h
, int lines
, int cols
)
215 if (h
->flags
& DLG_CENTER
)
217 y
= (LINES
- lines
) / 2;
218 x
= (COLS
- cols
) / 2;
221 if ((h
->flags
& DLG_TRYUP
) && (y
> 3))
224 dlg_set_position (h
, y
, x
, y
+ lines
, x
+ cols
);
227 /* Default dialog callback */
229 default_dlg_callback (Dlg_head
* h
, Widget
* sender
, dlg_msg_t msg
, int parm
, void *data
)
238 if (h
->color
!= NULL
)
240 common_dialog_repaint (h
);
243 return MSG_NOT_HANDLED
;
246 dlg_broadcast_msg_to (h
, WIDGET_IDLE
, FALSE
, W_WANT_IDLE
);
250 /* this is default resizing mechanism */
251 /* the main idea of this code is to resize dialog
252 according to flags (if any of flags require automatic
253 resizing, like DLG_CENTER, end after that reposition
254 controls in dialog according to flags of widget) */
255 dlg_set_size (h
, h
->lines
, h
->cols
);
262 return MSG_NOT_HANDLED
;
266 create_dlg (gboolean modal
, int y1
, int x1
, int lines
, int cols
,
267 const int *colors
, dlg_cb_fn callback
, const char *help_ctx
,
268 const char *title
, dlg_flags_t flags
)
272 new_d
= g_new0 (Dlg_head
, 1);
273 new_d
->modal
= modal
;
276 memmove (new_d
->color
, colors
, sizeof (dlg_colors_t
));
278 new_d
->help_ctx
= help_ctx
;
279 new_d
->callback
= (callback
!= NULL
) ? callback
: default_dlg_callback
;
282 new_d
->flags
= flags
;
285 dlg_set_size (new_d
, lines
, cols
);
286 new_d
->fullscreen
= (new_d
->x
== 0 && new_d
->y
== 0
287 && new_d
->cols
== COLS
&& new_d
->lines
== LINES
);
289 new_d
->mouse_status
= MOU_NORMAL
;
291 /* Strip existing spaces, add one space before and after the title */
296 t
= g_strstrip (g_strdup (title
));
298 new_d
->title
= g_strdup_printf (" %s ", t
);
306 dlg_set_default_colors (void)
308 dialog_colors
[DLG_COLOR_NORMAL
] = COLOR_NORMAL
;
309 dialog_colors
[DLG_COLOR_FOCUS
] = COLOR_FOCUS
;
310 dialog_colors
[DLG_COLOR_HOT_NORMAL
] = COLOR_HOT_NORMAL
;
311 dialog_colors
[DLG_COLOR_HOT_FOCUS
] = COLOR_HOT_FOCUS
;
312 dialog_colors
[DLG_COLOR_TITLE
] = COLOR_TITLE
;
314 alarm_colors
[DLG_COLOR_NORMAL
] = ERROR_COLOR
;
315 alarm_colors
[DLG_COLOR_FOCUS
] = ERROR_FOCUS
;
316 alarm_colors
[DLG_COLOR_HOT_NORMAL
] = ERROR_HOT_NORMAL
;
317 alarm_colors
[DLG_COLOR_HOT_FOCUS
] = ERROR_HOT_FOCUS
;
318 alarm_colors
[DLG_COLOR_TITLE
] = ERROR_TITLE
;
322 dlg_erase (Dlg_head
* h
)
324 if ((h
!= NULL
) && (h
->state
== DLG_ACTIVE
))
325 tty_fill_region (h
->y
, h
->x
, h
->lines
, h
->cols
, ' ');
329 set_idle_proc (Dlg_head
* d
, int enable
)
332 d
->flags
|= DLG_WANT_IDLE
;
334 d
->flags
&= ~DLG_WANT_IDLE
;
338 * Insert widget to dialog before current widget. For dialogs populated
339 * from the bottom, make the widget current. Return widget number.
342 add_widget_autopos (Dlg_head
* h
, void *w
, widget_pos_flags_t pos_flags
)
344 Widget
*widget
= (Widget
*) w
;
346 /* Don't accept 0 widgets */
353 widget
->pos_flags
= pos_flags
;
354 widget
->id
= g_list_length (h
->widgets
);
356 if ((h
->flags
& DLG_REVERSE
) != 0)
357 h
->widgets
= g_list_prepend (h
->widgets
, widget
);
359 h
->widgets
= g_list_append (h
->widgets
, widget
);
361 h
->current
= h
->widgets
;
366 /* wrapper to simply add lefttop positioned controls */
368 add_widget (Dlg_head
* h
, void *w
)
370 return add_widget_autopos (h
, w
, WPOS_KEEP_LEFT
| WPOS_KEEP_TOP
);
380 if ((d
!= NULL
) && (d
->data
!= NULL
))
381 dlg_redraw ((Dlg_head
*) d
->data
);
385 /* Search first fullscreen dialog */
386 for (; d
!= NULL
; d
= g_list_next (d
))
387 if ((d
->data
!= NULL
) && ((Dlg_head
*) d
->data
)->fullscreen
)
389 /* back to top dialog */
390 for (; d
!= NULL
; d
= g_list_previous (d
))
392 dlg_redraw ((Dlg_head
*) d
->data
);
396 /* broadcast a message to all the widgets in a dialog that have
397 * the options set to flags. If flags is zero, the message is sent
401 dlg_broadcast_msg_to (Dlg_head
* h
, widget_msg_t message
, gboolean reverse
, int flags
)
405 if (h
->widgets
== NULL
)
408 if (h
->current
== NULL
)
409 h
->current
= h
->widgets
;
413 p
= g_list_previous (h
->current
);
416 p
= g_list_last (h
->widgets
);
420 p
= g_list_next (h
->current
);
430 Widget
*w
= (Widget
*) p
->data
;
434 p
= g_list_previous (p
);
437 p
= g_list_last (h
->widgets
);
447 if ((flags
== 0) || ((flags
& w
->options
) != 0))
448 send_message (w
, message
, 0);
453 /* broadcast a message to all the widgets in a dialog */
455 dlg_broadcast_msg (Dlg_head
* h
, widget_msg_t message
, gboolean reverse
)
457 dlg_broadcast_msg_to (h
, message
, reverse
, 0);
461 dlg_focus (Dlg_head
* h
)
463 /* cannot focus disabled widget ... */
465 if ((h
->current
!= NULL
) && (h
->state
== DLG_ACTIVE
))
467 Widget
*current
= (Widget
*) h
->current
->data
;
469 if (((current
->options
& W_DISABLED
) == 0)
470 && (send_message (current
, WIDGET_FOCUS
, 0) == MSG_HANDLED
))
472 h
->callback (h
, current
, DLG_FOCUS
, 0, NULL
);
481 dlg_unfocus (Dlg_head
* h
)
483 /* ... but can unfocus disabled widget */
485 if ((h
->current
!= NULL
) && (h
->state
== DLG_ACTIVE
))
487 Widget
*current
= (Widget
*) h
->current
->data
;
489 if (send_message (current
, WIDGET_UNFOCUS
, 0) == MSG_HANDLED
)
491 h
->callback (h
, current
, DLG_UNFOCUS
, 0, NULL
);
499 /* Return true if the windows overlap */
501 dlg_overlap (Widget
* a
, Widget
* b
)
503 return !((b
->x
>= a
->x
+ a
->cols
)
504 || (a
->x
>= b
->x
+ b
->cols
) || (b
->y
>= a
->y
+ a
->lines
) || (a
->y
>= b
->y
+ b
->lines
));
508 dlg_find_widget_callback (const void *a
, const void *b
)
510 const Widget
*w
= (const Widget
*) a
;
511 callback_fn f
= (callback_fn
) b
;
513 return (w
->callback
== f
) ? 0 : 1;
516 /* Find the widget with the given callback in the dialog h */
518 find_widget_type (const Dlg_head
* h
, callback_fn callback
)
522 w
= g_list_find_custom (h
->widgets
, callback
, dlg_find_widget_callback
);
524 return (w
== NULL
) ? NULL
: (Widget
*) w
->data
;
527 /* Find the widget with the given id */
529 dlg_find_by_id (const Dlg_head
* h
, unsigned int id
)
531 if (h
->widgets
!= NULL
)
535 for (w
= h
->widgets
; w
!= NULL
; w
= g_list_next (w
))
536 if (((Widget
*) w
->data
)->id
== id
)
537 return (Widget
*) w
->data
;
543 /* Find the widget with the given id in the dialog h and select it */
545 dlg_select_by_id (const Dlg_head
* h
, unsigned int id
)
549 w
= dlg_find_by_id (h
, id
);
551 dlg_select_widget (w
);
554 /* What to do if the requested widget doesn't take focus */
557 SELECT_NEXT
, /* go the the next widget */
558 SELECT_PREV
, /* go the the previous widget */
559 SELECT_EXACT
/* use current widget */
563 * Try to select another widget. If forward is set, follow tab order.
564 * Otherwise go to the previous widget.
567 do_select_widget (Dlg_head
* h
, GList
* w
, select_dir_t dir
)
569 Widget
*w0
= (Widget
*) h
->current
->data
;
571 if (!dlg_unfocus (h
))
584 h
->current
= g_list_next (h
->current
);
585 if (h
->current
== NULL
)
586 h
->current
= h
->widgets
;
589 h
->current
= g_list_previous (h
->current
);
590 if (h
->current
== NULL
)
591 h
->current
= g_list_last (h
->widgets
);
594 h
->current
= g_list_find (h
->widgets
, w0
);
599 while (h
->current
!= w
/* && (((Widget *) h->current->data)->options & W_DISABLED) == 0 */);
601 if (dlg_overlap (w0
, (Widget
*) h
->current
->data
))
603 send_message ((Widget
*) h
->current
->data
, WIDGET_DRAW
, 0);
604 send_message ((Widget
*) h
->current
->data
, WIDGET_FOCUS
, 0);
609 * Try to select widget in the dialog.
612 dlg_select_widget (void *w
)
614 const Widget
*widget
= (Widget
*) w
;
615 Dlg_head
*h
= widget
->owner
;
617 do_select_widget (h
, g_list_find (h
->widgets
, widget
), SELECT_NEXT
);
620 /* Try to select previous widget in the tab order */
622 dlg_one_up (Dlg_head
* h
)
624 if (h
->widgets
!= NULL
)
628 prev
= g_list_previous (h
->current
);
630 prev
= g_list_last (h
->widgets
);
632 do_select_widget (h
, prev
, SELECT_PREV
);
636 /* Try to select next widget in the tab order */
638 dlg_one_down (Dlg_head
* h
)
640 if (h
->widgets
!= NULL
)
644 next
= g_list_next (h
->current
);
647 do_select_widget (h
, next
, SELECT_NEXT
);
652 update_cursor (Dlg_head
* h
)
654 GList
*p
= h
->current
;
656 if ((p
!= NULL
) && (h
->state
== DLG_ACTIVE
))
660 w
= (Widget
*) p
->data
;
662 if (((w
->options
& W_DISABLED
) == 0) && ((w
->options
& W_WANT_CURSOR
) != 0))
663 send_message (w
, WIDGET_CURSOR
, 0);
674 w
= (Widget
*) p
->data
;
676 if (((w
->options
& W_DISABLED
) == 0) && ((w
->options
& W_WANT_CURSOR
) != 0))
677 if (send_message (w
, WIDGET_CURSOR
, 0) == MSG_HANDLED
)
684 /* Redraw the widgets in reverse order, leaving the current widget
688 dlg_redraw (Dlg_head
* h
)
690 if (h
->state
!= DLG_ACTIVE
)
693 if (h
->winch_pending
)
695 h
->winch_pending
= FALSE
;
696 h
->callback (h
, NULL
, DLG_RESIZE
, 0, NULL
);
699 h
->callback (h
, NULL
, DLG_DRAW
, 0, NULL
);
700 dlg_broadcast_msg (h
, WIDGET_DRAW
, TRUE
);
705 dlg_stop (Dlg_head
* h
)
707 h
->state
= DLG_CLOSED
;
717 /* Use this if the refreshes fail */
720 #endif /* HAVE_SLANG */
724 dlg_execute_cmd (Dlg_head
* h
, unsigned long command
)
726 cb_ret_t ret
= MSG_HANDLED
;
730 h
->ret_value
= B_ENTER
;
733 case CK_DialogCancel
:
734 h
->ret_value
= B_CANCEL
;
738 case CK_DialogPrevItem
:
741 case CK_DialogNextItem
:
746 interactive_display (NULL
, h
->help_ctx
);
750 case CK_DialogSuspend
:
754 case CK_DialogRefresh
:
758 case CK_DialogListCmd
:
760 dialog_switch_list ();
762 ret
= MSG_NOT_HANDLED
;
764 case CK_DialogNextCmd
:
766 dialog_switch_next ();
768 ret
= MSG_NOT_HANDLED
;
770 case CK_DialogPrevCmd
:
772 dialog_switch_prev ();
774 ret
= MSG_NOT_HANDLED
;
778 ret
= MSG_NOT_HANDLED
;
785 dlg_handle_key (Dlg_head
* h
, int d_key
)
787 unsigned long command
;
788 command
= lookup_keymap_command (dialog_map
, d_key
);
789 if ((command
== CK_Ignore_Key
) || (dlg_execute_cmd (h
, command
) == MSG_NOT_HANDLED
))
790 return MSG_NOT_HANDLED
;
796 dlg_mouse_event (Dlg_head
* h
, Gpm_Event
* event
)
799 GList
*starting_widget
= h
->current
;
804 /* close the dialog by mouse click out of dialog area */
805 if (mouse_close_dialog
&& !h
->fullscreen
&& ((event
->buttons
& GPM_B_LEFT
) != 0) && ((event
->type
& GPM_DOWN
) != 0) /* left click */
806 && !((x
> h
->x
) && (x
<= h
->x
+ h
->cols
) && (y
> h
->y
) && (y
<= h
->y
+ h
->lines
)))
808 h
->ret_value
= B_CANCEL
;
813 item
= starting_widget
;
818 widget
= (Widget
*) item
->data
;
819 item
= g_list_next (item
);
823 if (((widget
->options
& W_DISABLED
) == 0)
824 && (x
> widget
->x
) && (x
<= widget
->x
+ widget
->cols
)
825 && (y
> widget
->y
) && (y
<= widget
->y
+ widget
->lines
))
828 new_event
.x
-= widget
->x
;
829 new_event
.y
-= widget
->y
;
831 if (widget
->mouse
!= NULL
)
832 return widget
->mouse (&new_event
, widget
);
835 while (item
!= starting_widget
);
841 dlg_try_hotkey (Dlg_head
* h
, int d_key
)
848 if (h
->widgets
== NULL
)
849 return MSG_NOT_HANDLED
;
851 if (h
->current
== NULL
)
852 h
->current
= h
->widgets
;
855 * Explanation: we don't send letter hotkeys to other widgets if
856 * the currently selected widget is an input line
859 current
= (Widget
*) h
->current
->data
;
861 if ((current
->options
& W_DISABLED
) != 0)
862 return MSG_NOT_HANDLED
;
864 if (current
->options
& W_IS_INPUT
)
866 /* skip ascii control characters, anything else can valid character in
868 if (d_key
>= 32 && d_key
< 256)
869 return MSG_NOT_HANDLED
;
872 /* If it's an alt key, send the message */
873 c
= d_key
& ~ALT (0);
874 if (d_key
& ALT (0) && g_ascii_isalpha (c
))
875 d_key
= g_ascii_tolower (c
);
877 handled
= MSG_NOT_HANDLED
;
878 if ((current
->options
& W_WANT_HOTKEY
) != 0)
879 handled
= send_message (current
, WIDGET_HOTKEY
, d_key
);
881 /* If not used, send hotkey to other widgets */
882 if (handled
== MSG_HANDLED
)
885 hot_cur
= g_list_next (h
->current
);
887 hot_cur
= h
->widgets
;
889 /* send it to all widgets */
890 while (h
->current
!= hot_cur
&& handled
== MSG_NOT_HANDLED
)
892 current
= (Widget
*) hot_cur
->data
;
894 if ((current
->options
& W_WANT_HOTKEY
) != 0)
895 handled
= send_message (current
, WIDGET_HOTKEY
, d_key
);
897 if (handled
== MSG_NOT_HANDLED
)
899 hot_cur
= g_list_next (hot_cur
);
901 hot_cur
= h
->widgets
;
905 if (handled
== MSG_HANDLED
)
906 do_select_widget (h
, hot_cur
, SELECT_EXACT
);
912 dlg_key_event (Dlg_head
* h
, int d_key
)
916 if (h
->widgets
== NULL
)
919 if (h
->current
== NULL
)
920 h
->current
= h
->widgets
;
922 /* TAB used to cycle */
923 if ((h
->flags
& DLG_WANT_TAB
) == 0)
930 else if (d_key
== KEY_BTAB
)
937 /* first can dlg_callback handle the key */
938 handled
= h
->callback (h
, NULL
, DLG_KEY
, d_key
, NULL
);
940 /* next try the hotkey */
941 if (handled
== MSG_NOT_HANDLED
)
942 handled
= dlg_try_hotkey (h
, d_key
);
944 if (handled
== MSG_HANDLED
)
945 h
->callback (h
, NULL
, DLG_HOTKEY_HANDLED
, 0, NULL
);
947 /* not used - then try widget_callback */
948 handled
= send_message ((Widget
*) h
->current
->data
, WIDGET_KEY
, d_key
);
950 /* not used- try to use the unhandled case */
951 if (handled
== MSG_NOT_HANDLED
)
952 handled
= h
->callback (h
, NULL
, DLG_UNHANDLED_KEY
, d_key
, NULL
);
954 if (handled
== MSG_NOT_HANDLED
)
955 handled
= dlg_handle_key (h
, d_key
);
957 h
->callback (h
, NULL
, DLG_POST_KEY
, d_key
, NULL
);
960 /* Init the process */
962 init_dlg (Dlg_head
* h
)
964 if ((top_dlg
!= NULL
) && ((Dlg_head
*) top_dlg
->data
)->modal
)
968 /* add dialog to the stack */
969 top_dlg
= g_list_prepend (top_dlg
, h
);
971 /* Initialize dialog manager and widgets */
972 if (h
->state
== DLG_ACTIVE
)
975 dialog_switch_add (h
);
977 h
->callback (h
, NULL
, DLG_INIT
, 0, NULL
);
978 dlg_broadcast_msg (h
, WIDGET_INIT
, FALSE
);
981 h
->state
= DLG_ACTIVE
;
985 /* Select the first widget that takes focus */
986 while (h
->current
!= NULL
&& !dlg_focus (h
))
988 h
->current
= g_list_next (h
->current
);
989 if (h
->current
== NULL
)
990 h
->current
= h
->widgets
;
997 dlg_process_event (Dlg_head
* h
, int key
, Gpm_Event
* event
)
1001 if (tty_got_interrupt ())
1002 dlg_execute_cmd (h
, CK_DialogCancel
);
1007 if (key
== EV_MOUSE
)
1008 h
->mouse_status
= dlg_mouse_event (h
, event
);
1010 dlg_key_event (h
, key
);
1014 frontend_run_dlg (Dlg_head
* h
)
1021 /* close opened editors, viewers, etc */
1022 if (!h
->modal
&& midnight_shutdown
)
1024 h
->callback (h
, NULL
, DLG_VALIDATE
, 0, NULL
);
1028 while (h
->state
== DLG_ACTIVE
)
1031 change_screen_size ();
1036 execute_hooks (idle_hook
);
1038 while ((h
->flags
& DLG_WANT_IDLE
) && is_idle ())
1039 h
->callback (h
, NULL
, DLG_IDLE
, 0, NULL
);
1041 /* Allow terminating the dialog from the idle handler */
1042 if (h
->state
!= DLG_ACTIVE
)
1048 /* Clear interrupt flag */
1049 tty_got_interrupt ();
1050 d_key
= tty_get_event (&event
, h
->mouse_status
== MOU_REPEAT
, TRUE
);
1052 dlg_process_event (h
, d_key
, &event
);
1054 if (h
->state
== DLG_CLOSED
)
1055 h
->callback (h
, NULL
, DLG_VALIDATE
, 0, NULL
);
1059 /* Shutdown the run_dlg */
1061 dlg_run_done (Dlg_head
* h
)
1063 top_dlg
= g_list_remove (top_dlg
, h
);
1065 if (h
->state
== DLG_CLOSED
)
1067 h
->callback (h
, (Widget
*) h
->current
->data
, DLG_END
, 0, NULL
);
1069 dialog_switch_remove (h
);
1074 /* Standard run dialog routine
1075 * We have to keep this routine small so that we can duplicate it's
1076 * behavior on complex routines like the file routines, this way,
1077 * they can call the dlg_process_event without rewriting all the code
1080 run_dlg (Dlg_head
* h
)
1083 frontend_run_dlg (h
);
1085 return h
->ret_value
;
1089 destroy_dlg (Dlg_head
* h
)
1091 dlg_broadcast_msg (h
, WIDGET_DESTROY
, FALSE
);
1092 g_list_foreach (h
->widgets
, (GFunc
) g_free
, NULL
);
1093 g_list_free (h
->widgets
);
1101 dlg_get_title (const Dlg_head
*h
, size_t len
)
1108 if (h
->get_title
!= NULL
)
1109 t
= h
->get_title (h
, len
);
1116 /* Replace widget old_w for widget new_w in the dialog */
1118 dlg_replace_widget (Widget
* old_w
, Widget
* new_w
)
1120 Dlg_head
*h
= old_w
->owner
;
1121 gboolean should_focus
= FALSE
;
1123 if (h
->widgets
== NULL
)
1126 if (h
->current
== NULL
)
1127 h
->current
= h
->widgets
;
1129 if (old_w
== h
->current
->data
)
1130 should_focus
= TRUE
;
1133 new_w
->id
= old_w
->id
;
1136 h
->current
->data
= new_w
;
1138 g_list_find (h
->widgets
, old_w
)->data
= new_w
;
1140 send_message (old_w
, WIDGET_DESTROY
, 0);
1141 send_message (new_w
, WIDGET_INIT
, 0);
1144 dlg_select_widget (new_w
);
1146 send_message (new_w
, WIDGET_DRAW
, 0);