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 */
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 (struct Dlg_head
*h
)
113 space
= (h
->flags
& DLG_COMPACT
) ? 0 : 1;
115 tty_setcolor (DLG_NORMALC (h
));
117 draw_box (h
, space
, space
, h
->lines
- 2 * space
, h
->cols
- 2 * space
, FALSE
);
121 tty_setcolor (DLG_HOT_NORMALC (h
));
122 dlg_move (h
, space
, (h
->cols
- str_term_width1 (h
->title
)) / 2);
123 tty_print_string (h
->title
);
127 /* this function allows to set dialog position */
129 dlg_set_position (Dlg_head
* h
, int y1
, int x1
, int y2
, int x2
)
131 /* save old positions, will be used to reposition childs */
133 int shift_x
, shift_y
, scale_x
, scale_y
;
135 /* save old positions, will be used to reposition childs */
146 /* dialog is empty */
147 if (h
->widgets
== NULL
)
150 if (h
->current
== NULL
)
151 h
->current
= h
->widgets
;
153 /* values by which controls should be moved */
156 scale_x
= h
->cols
- oc
;
157 scale_y
= h
->lines
- ol
;
159 if ((shift_x
!= 0) || (shift_y
!= 0) || (scale_x
!= 0) || (scale_y
!= 0))
163 for (w
= h
->widgets
; w
!= NULL
; w
= g_list_next (w
))
165 /* there are, mainly, 2 generally possible
168 1. control sticks to one side - it
171 2. control sticks to two sides of
172 one direction - it should be sized */
174 Widget
*c
= (Widget
*) w
->data
;
178 int lines
= c
->lines
;
180 if ((c
->pos_flags
& WPOS_KEEP_LEFT
) && (c
->pos_flags
& WPOS_KEEP_RIGHT
))
185 else if (c
->pos_flags
& WPOS_KEEP_LEFT
)
187 else if (c
->pos_flags
& WPOS_KEEP_RIGHT
)
188 x
+= shift_x
+ scale_x
;
190 if ((c
->pos_flags
& WPOS_KEEP_TOP
) && (c
->pos_flags
& WPOS_KEEP_BOTTOM
))
195 else if (c
->pos_flags
& WPOS_KEEP_TOP
)
197 else if (c
->pos_flags
& WPOS_KEEP_BOTTOM
)
198 y
+= shift_y
+ scale_y
;
200 widget_set_size (c
, y
, x
, lines
, cols
);
205 /* this function sets only size, leaving positioning to automatic methods */
207 dlg_set_size (Dlg_head
* h
, int lines
, int cols
)
212 if (h
->flags
& DLG_CENTER
)
214 y
= (LINES
- lines
) / 2;
215 x
= (COLS
- cols
) / 2;
218 if ((h
->flags
& DLG_TRYUP
) && (y
> 3))
221 dlg_set_position (h
, y
, x
, y
+ lines
, x
+ cols
);
224 /* Default dialog callback */
226 default_dlg_callback (Dlg_head
* h
, Widget
* sender
, dlg_msg_t msg
, int parm
, void *data
)
235 if (h
->color
!= NULL
)
237 common_dialog_repaint (h
);
240 return MSG_NOT_HANDLED
;
243 dlg_broadcast_msg_to (h
, WIDGET_IDLE
, FALSE
, W_WANT_IDLE
);
247 /* this is default resizing mechanism */
248 /* the main idea of this code is to resize dialog
249 according to flags (if any of flags require automatic
250 resizing, like DLG_CENTER, end after that reposition
251 controls in dialog according to flags of widget) */
252 dlg_set_size (h
, h
->lines
, h
->cols
);
259 return MSG_NOT_HANDLED
;
263 create_dlg (gboolean modal
, int y1
, int x1
, int lines
, int cols
,
264 const int *colors
, dlg_cb_fn callback
, const char *help_ctx
,
265 const char *title
, dlg_flags_t flags
)
269 new_d
= g_new0 (Dlg_head
, 1);
270 new_d
->modal
= modal
;
273 new_d
->color
= g_new (int, DLG_COLOR_NUM
);
274 memmove (new_d
->color
, colors
, sizeof (int) * DLG_COLOR_NUM
);
276 new_d
->help_ctx
= help_ctx
;
277 new_d
->callback
= (callback
!= NULL
) ? callback
: default_dlg_callback
;
280 new_d
->flags
= flags
;
283 dlg_set_size (new_d
, lines
, cols
);
284 new_d
->fullscreen
= (new_d
->x
== 0 && new_d
->y
== 0
285 && new_d
->cols
== COLS
&& new_d
->lines
== LINES
);
287 new_d
->mouse_status
= MOU_NORMAL
;
289 /* Strip existing spaces, add one space before and after the title */
294 t
= g_strstrip (g_strdup (title
));
296 new_d
->title
= g_strdup_printf (" %s ", t
);
304 dlg_set_default_colors (void)
306 dialog_colors
[0] = COLOR_NORMAL
;
307 dialog_colors
[1] = COLOR_FOCUS
;
308 dialog_colors
[2] = COLOR_HOT_NORMAL
;
309 dialog_colors
[3] = COLOR_HOT_FOCUS
;
311 alarm_colors
[0] = ERROR_COLOR
;
312 alarm_colors
[1] = REVERSE_COLOR
;
313 alarm_colors
[2] = ERROR_HOT_NORMAL
;
314 alarm_colors
[3] = ERROR_HOT_FOCUS
;
318 dlg_erase (Dlg_head
* h
)
321 tty_fill_region (h
->y
, h
->x
, h
->lines
, h
->cols
, ' ');
325 set_idle_proc (Dlg_head
* d
, int enable
)
328 d
->flags
|= DLG_WANT_IDLE
;
330 d
->flags
&= ~DLG_WANT_IDLE
;
334 * Insert widget to dialog before current widget. For dialogs populated
335 * from the bottom, make the widget current. Return widget number.
338 add_widget_autopos (Dlg_head
* h
, void *w
, widget_pos_flags_t pos_flags
)
340 Widget
*widget
= (Widget
*) w
;
342 /* Don't accept 0 widgets */
349 widget
->pos_flags
= pos_flags
;
350 widget
->id
= g_list_length (h
->widgets
);
352 if ((h
->flags
& DLG_REVERSE
) != 0)
353 h
->widgets
= g_list_prepend (h
->widgets
, widget
);
355 h
->widgets
= g_list_append (h
->widgets
, widget
);
357 h
->current
= h
->widgets
;
362 /* wrapper to simply add lefttop positioned controls */
364 add_widget (Dlg_head
* h
, void *w
)
366 return add_widget_autopos (h
, w
, WPOS_KEEP_LEFT
| WPOS_KEEP_TOP
);
376 if ((d
!= NULL
) && (d
->data
!= NULL
))
377 dlg_redraw ((Dlg_head
*) d
->data
);
381 /* Search first fullscreen dialog */
382 for (; d
!= NULL
; d
= g_list_next (d
))
383 if ((d
->data
!= NULL
) && ((Dlg_head
*) d
->data
)->fullscreen
)
385 /* back to top dialog */
386 for (; d
!= NULL
; d
= g_list_previous (d
))
388 dlg_redraw ((Dlg_head
*) d
->data
);
392 /* broadcast a message to all the widgets in a dialog that have
393 * the options set to flags. If flags is zero, the message is sent
397 dlg_broadcast_msg_to (Dlg_head
* h
, widget_msg_t message
, gboolean reverse
, int flags
)
401 if (h
->widgets
== NULL
)
404 if (h
->current
== NULL
)
405 h
->current
= h
->widgets
;
409 p
= g_list_previous (h
->current
);
412 p
= g_list_last (h
->widgets
);
416 p
= g_list_next (h
->current
);
426 Widget
*w
= (Widget
*) p
->data
;
430 p
= g_list_previous (p
);
433 p
= g_list_last (h
->widgets
);
443 if ((flags
== 0) || ((flags
& w
->options
) != 0))
444 send_message (w
, message
, 0);
449 /* broadcast a message to all the widgets in a dialog */
451 dlg_broadcast_msg (Dlg_head
* h
, widget_msg_t message
, gboolean reverse
)
453 dlg_broadcast_msg_to (h
, message
, reverse
, 0);
457 dlg_focus (Dlg_head
* h
)
459 if ((h
->current
!= NULL
)
460 && (send_message ((Widget
*) h
->current
->data
, WIDGET_FOCUS
, 0) == MSG_HANDLED
))
462 h
->callback (h
, (Widget
*) h
->current
->data
, DLG_FOCUS
, 0, NULL
);
469 dlg_unfocus (Dlg_head
* h
)
471 if ((h
->current
!= NULL
)
472 && (send_message ((Widget
*) h
->current
->data
, WIDGET_UNFOCUS
, 0) == MSG_HANDLED
))
474 h
->callback (h
, (Widget
*) h
->current
->data
, DLG_UNFOCUS
, 0, NULL
);
480 /* Return true if the windows overlap */
482 dlg_overlap (Widget
* a
, Widget
* b
)
484 return !((b
->x
>= a
->x
+ a
->cols
)
485 || (a
->x
>= b
->x
+ b
->cols
) || (b
->y
>= a
->y
+ a
->lines
) || (a
->y
>= b
->y
+ b
->lines
));
489 dlg_find_widget_callback (const void *a
, const void *b
)
491 const Widget
*w
= (const Widget
*) a
;
492 callback_fn f
= (callback_fn
) b
;
494 return (w
->callback
== f
) ? 0 : 1;
497 /* Find the widget with the given callback in the dialog h */
499 find_widget_type (const Dlg_head
* h
, callback_fn callback
)
503 w
= g_list_find_custom (h
->widgets
, callback
, dlg_find_widget_callback
);
505 return (w
== NULL
) ? NULL
: (Widget
*) w
->data
;
508 /* Find the widget with the given dialog id in the dialog h and select it */
510 dlg_select_by_id (const Dlg_head
* h
, unsigned int id
)
512 if (h
->widgets
!= NULL
)
516 w_found
= (Widget
*) g_list_nth_data (h
->widgets
, id
);
519 dlg_select_widget (w_found
);
524 /* What to do if the requested widget doesn't take focus */
527 SELECT_NEXT
, /* go the the next widget */
528 SELECT_PREV
, /* go the the previous widget */
529 SELECT_EXACT
/* use current widget */
533 * Try to select another widget. If forward is set, follow tab order.
534 * Otherwise go to the previous widget.
537 do_select_widget (Dlg_head
* h
, GList
* w
, select_dir_t dir
)
539 Widget
*w0
= (Widget
*) h
->current
->data
;
541 if (!dlg_unfocus (h
))
554 h
->current
= g_list_next (h
->current
);
555 if (h
->current
== NULL
)
556 h
->current
= h
->widgets
;
559 h
->current
= g_list_previous (h
->current
);
560 if (h
->current
== NULL
)
561 h
->current
= g_list_last (h
->widgets
);
564 h
->current
= g_list_find (h
->widgets
, w0
);
569 while (h
->current
!= w
);
571 if (dlg_overlap (w0
, (Widget
*) h
->current
->data
))
573 send_message ((Widget
*) h
->current
->data
, WIDGET_DRAW
, 0);
574 send_message ((Widget
*) h
->current
->data
, WIDGET_FOCUS
, 0);
579 * Try to select widget in the dialog.
582 dlg_select_widget (void *w
)
584 const Widget
*widget
= (Widget
*) w
;
585 Dlg_head
*h
= widget
->owner
;
587 do_select_widget (h
, g_list_find (h
->widgets
, widget
), SELECT_NEXT
);
590 /* Try to select previous widget in the tab order */
592 dlg_one_up (Dlg_head
* h
)
594 if (h
->widgets
!= NULL
)
598 prev
= g_list_previous (h
->current
);
600 prev
= g_list_last (h
->widgets
);
602 do_select_widget (h
, prev
, SELECT_PREV
);
606 /* Try to select next widget in the tab order */
608 dlg_one_down (Dlg_head
* h
)
610 if (h
->widgets
!= NULL
)
614 next
= g_list_next (h
->current
);
617 do_select_widget (h
, next
, SELECT_NEXT
);
622 update_cursor (Dlg_head
* h
)
624 GList
*p
= h
->current
;
628 if (((Widget
*) (p
->data
))->options
& W_WANT_CURSOR
)
629 send_message ((Widget
*) p
->data
, WIDGET_CURSOR
, 0);
640 if (((Widget
*) (p
->data
))->options
& W_WANT_CURSOR
)
641 if (send_message ((Widget
*) p
->data
, WIDGET_CURSOR
, 0) == MSG_HANDLED
)
648 /* Redraw the widgets in reverse order, leaving the current widget
652 dlg_redraw (Dlg_head
* h
)
654 if (h
->winch_pending
)
656 h
->winch_pending
= FALSE
;
657 h
->callback (h
, NULL
, DLG_RESIZE
, 0, NULL
);
660 h
->callback (h
, NULL
, DLG_DRAW
, 0, NULL
);
661 dlg_broadcast_msg (h
, WIDGET_DRAW
, TRUE
);
666 dlg_stop (Dlg_head
* h
)
668 h
->state
= DLG_CLOSED
;
678 /* Use this if the refreshes fail */
681 #endif /* HAVE_SLANG */
685 dlg_execute_cmd (Dlg_head
* h
, unsigned long command
)
687 cb_ret_t ret
= MSG_HANDLED
;
691 h
->ret_value
= B_ENTER
;
694 case CK_DialogCancel
:
695 h
->ret_value
= B_CANCEL
;
699 case CK_DialogPrevItem
:
702 case CK_DialogNextItem
:
707 interactive_display (NULL
, h
->help_ctx
);
711 case CK_DialogSuspend
:
715 case CK_DialogRefresh
:
719 case CK_DialogListCmd
:
721 dialog_switch_list ();
723 ret
= MSG_NOT_HANDLED
;
725 case CK_DialogNextCmd
:
727 dialog_switch_next ();
729 ret
= MSG_NOT_HANDLED
;
731 case CK_DialogPrevCmd
:
733 dialog_switch_prev ();
735 ret
= MSG_NOT_HANDLED
;
739 ret
= MSG_NOT_HANDLED
;
746 dlg_handle_key (Dlg_head
* h
, int d_key
)
748 unsigned long command
;
749 command
= lookup_keymap_command (dialog_map
, d_key
);
750 if ((command
== CK_Ignore_Key
) || (dlg_execute_cmd (h
, command
) == MSG_NOT_HANDLED
))
751 return MSG_NOT_HANDLED
;
757 dlg_mouse_event (Dlg_head
* h
, Gpm_Event
* event
)
760 GList
*starting_widget
= h
->current
;
765 /* close the dialog by mouse click out of dialog area */
766 if (mouse_close_dialog
&& !h
->fullscreen
&& ((event
->buttons
& GPM_B_LEFT
) != 0) && ((event
->type
& GPM_DOWN
) != 0) /* left click */
767 && !((x
> h
->x
) && (x
<= h
->x
+ h
->cols
) && (y
> h
->y
) && (y
<= h
->y
+ h
->lines
)))
769 h
->ret_value
= B_CANCEL
;
774 item
= starting_widget
;
779 widget
= (Widget
*) item
->data
;
780 item
= g_list_next (item
);
784 if ((x
> widget
->x
) && (x
<= widget
->x
+ widget
->cols
)
785 && (y
> widget
->y
) && (y
<= widget
->y
+ widget
->lines
))
788 new_event
.x
-= widget
->x
;
789 new_event
.y
-= widget
->y
;
791 if (widget
->mouse
!= NULL
)
792 return widget
->mouse (&new_event
, widget
);
795 while (item
!= starting_widget
);
801 dlg_try_hotkey (Dlg_head
* h
, int d_key
)
807 if (h
->widgets
== NULL
)
808 return MSG_NOT_HANDLED
;
810 if (h
->current
== NULL
)
811 h
->current
= h
->widgets
;
814 * Explanation: we don't send letter hotkeys to other widgets if
815 * the currently selected widget is an input line
818 if (((Widget
*) h
->current
->data
)->options
& W_IS_INPUT
)
820 /* skip ascii control characters, anything else can valid character in
822 if (d_key
>= 32 && d_key
< 256)
823 return MSG_NOT_HANDLED
;
826 /* If it's an alt key, send the message */
827 c
= d_key
& ~ALT (0);
828 if (d_key
& ALT (0) && g_ascii_isalpha (c
))
829 d_key
= g_ascii_tolower (c
);
831 handled
= MSG_NOT_HANDLED
;
832 if (((Widget
*) h
->current
->data
)->options
& W_WANT_HOTKEY
)
833 handled
= send_message ((Widget
*) h
->current
->data
, WIDGET_HOTKEY
, d_key
);
835 /* If not used, send hotkey to other widgets */
836 if (handled
== MSG_HANDLED
)
839 hot_cur
= g_list_next (h
->current
);
841 hot_cur
= h
->widgets
;
843 /* send it to all widgets */
844 while (h
->current
!= hot_cur
&& handled
== MSG_NOT_HANDLED
)
846 if (((Widget
*) hot_cur
->data
)->options
& W_WANT_HOTKEY
)
847 handled
= send_message ((Widget
*) hot_cur
->data
, WIDGET_HOTKEY
, d_key
);
849 if (handled
== MSG_NOT_HANDLED
)
851 hot_cur
= g_list_next (hot_cur
);
853 hot_cur
= h
->widgets
;
857 if (handled
== MSG_HANDLED
)
858 do_select_widget (h
, hot_cur
, SELECT_EXACT
);
864 dlg_key_event (Dlg_head
* h
, int d_key
)
868 if (h
->widgets
== NULL
)
871 if (h
->current
== NULL
)
872 h
->current
= h
->widgets
;
874 /* TAB used to cycle */
875 if ((h
->flags
& DLG_WANT_TAB
) == 0)
882 else if (d_key
== KEY_BTAB
)
889 /* first can dlg_callback handle the key */
890 handled
= h
->callback (h
, NULL
, DLG_KEY
, d_key
, NULL
);
892 /* next try the hotkey */
893 if (handled
== MSG_NOT_HANDLED
)
894 handled
= dlg_try_hotkey (h
, d_key
);
896 if (handled
== MSG_HANDLED
)
897 h
->callback (h
, NULL
, DLG_HOTKEY_HANDLED
, 0, NULL
);
899 /* not used - then try widget_callback */
900 handled
= send_message ((Widget
*) h
->current
->data
, WIDGET_KEY
, d_key
);
902 /* not used- try to use the unhandled case */
903 if (handled
== MSG_NOT_HANDLED
)
904 handled
= h
->callback (h
, NULL
, DLG_UNHANDLED_KEY
, d_key
, NULL
);
906 if (handled
== MSG_NOT_HANDLED
)
907 handled
= dlg_handle_key (h
, d_key
);
909 h
->callback (h
, NULL
, DLG_POST_KEY
, d_key
, NULL
);
912 /* Init the process */
914 init_dlg (Dlg_head
* h
)
916 if ((top_dlg
!= NULL
) && ((Dlg_head
*) top_dlg
->data
)->modal
)
920 /* add dialog to the stack */
921 top_dlg
= g_list_prepend (top_dlg
, h
);
923 /* Initialize dialog manager and widgets */
924 if (h
->state
== DLG_ACTIVE
)
927 dialog_switch_add (h
);
929 h
->callback (h
, NULL
, DLG_INIT
, 0, NULL
);
930 dlg_broadcast_msg (h
, WIDGET_INIT
, FALSE
);
933 h
->state
= DLG_ACTIVE
;
937 /* Select the first widget that takes focus */
938 while (h
->current
!= NULL
&& !dlg_focus (h
))
940 h
->current
= g_list_next (h
->current
);
941 if (h
->current
== NULL
)
942 h
->current
= h
->widgets
;
949 dlg_process_event (Dlg_head
* h
, int key
, Gpm_Event
* event
)
953 if (tty_got_interrupt ())
954 dlg_execute_cmd (h
, CK_DialogCancel
);
960 h
->mouse_status
= dlg_mouse_event (h
, event
);
962 dlg_key_event (h
, key
);
966 frontend_run_dlg (Dlg_head
* h
)
973 /* close opened editors, viewers, etc */
974 if (!h
->modal
&& midnight_shutdown
)
976 h
->callback (h
, NULL
, DLG_VALIDATE
, 0, NULL
);
980 while (h
->state
== DLG_ACTIVE
)
983 change_screen_size ();
988 execute_hooks (idle_hook
);
990 while ((h
->flags
& DLG_WANT_IDLE
) && is_idle ())
991 h
->callback (h
, NULL
, DLG_IDLE
, 0, NULL
);
993 /* Allow terminating the dialog from the idle handler */
994 if (h
->state
!= DLG_ACTIVE
)
1000 /* Clear interrupt flag */
1001 tty_got_interrupt ();
1002 d_key
= tty_get_event (&event
, h
->mouse_status
== MOU_REPEAT
, TRUE
);
1004 dlg_process_event (h
, d_key
, &event
);
1006 if (h
->state
== DLG_CLOSED
)
1007 h
->callback (h
, NULL
, DLG_VALIDATE
, 0, NULL
);
1011 /* Shutdown the run_dlg */
1013 dlg_run_done (Dlg_head
* h
)
1015 if (h
->state
== DLG_CLOSED
)
1017 h
->callback (h
, (Widget
*) h
->current
->data
, DLG_END
, 0, NULL
);
1019 dialog_switch_remove (h
);
1022 top_dlg
= g_list_remove (top_dlg
, h
);
1025 /* Standard run dialog routine
1026 * We have to keep this routine small so that we can duplicate it's
1027 * behavior on complex routines like the file routines, this way,
1028 * they can call the dlg_process_event without rewriting all the code
1031 run_dlg (Dlg_head
* h
)
1034 frontend_run_dlg (h
);
1036 return h
->ret_value
;
1040 destroy_dlg (Dlg_head
* h
)
1042 dlg_broadcast_msg (h
, WIDGET_DESTROY
, FALSE
);
1043 g_list_foreach (h
->widgets
, (GFunc
) g_free
, NULL
);
1044 g_list_free (h
->widgets
);
1053 dlg_get_title (const Dlg_head
*h
, size_t len
)
1060 if (h
->get_title
!= NULL
)
1061 t
= h
->get_title (h
, len
);
1068 /* Replace widget old_w for widget new_w in the dialog */
1070 dlg_replace_widget (Widget
* old_w
, Widget
* new_w
)
1072 Dlg_head
*h
= old_w
->owner
;
1073 gboolean should_focus
= FALSE
;
1075 if (h
->widgets
== NULL
)
1078 if (h
->current
== NULL
)
1079 h
->current
= h
->widgets
;
1081 if (old_w
== h
->current
->data
)
1082 should_focus
= TRUE
;
1085 new_w
->id
= old_w
->id
;
1088 h
->current
->data
= new_w
;
1090 g_list_find (h
->widgets
, old_w
)->data
= new_w
;
1092 send_message (old_w
, WIDGET_DESTROY
, 0);
1093 send_message (new_w
, WIDGET_INIT
, 0);
1096 dlg_select_widget (new_w
);
1098 send_message (new_w
, WIDGET_DRAW
, 0);