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Merge branch '3700_segfault_left_info_panel'

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* 3700_segfault_left_info_panel:
  Ticket #3700: fix segfault after switch left panel to info mode.
This commit is contained in:
Andrew Borodin 2016-10-23 08:09:20 +03:00
commit c2e1ec81f6
1 changed files with 28 additions and 9 deletions
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37
lib/widget/widget-common.c
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@ -419,6 +419,7 @@ widget_replace (Widget * old_w, Widget * new_w)
{
WDialog *h = old_w->owner;
gboolean should_focus = FALSE;
GList *holder;
if (h->widgets == NULL)
return;
@ -426,25 +427,43 @@ widget_replace (Widget * old_w, Widget * new_w)
if (h->current == NULL)
h->current = h->widgets;
/* locate widget position in the list */
if (old_w == h->current->data)
should_focus = TRUE;
holder = h->current;
else
holder = g_list_find (h->widgets, old_w);
/* if old widget is focused, we should focus the new one... */
if (widget_get_state (old_w, WST_FOCUSED))
should_focus = TRUE;
/* ...but if new widget isn't selectable, we cannot focus it */
if (!widget_get_options (new_w, WOP_SELECTABLE))
should_focus = FALSE;
/* if new widget isn't selectable, select other widget before replace */
if (!should_focus)
{
GList *l;
for (l = dlg_get_widget_next_of (holder);
!widget_get_options (WIDGET (l->data), WOP_SELECTABLE)
&& !widget_get_state (WIDGET (l->data), WST_DISABLED); l = dlg_get_widget_next_of (l))
;
widget_select (WIDGET (l->data));
}
/* replace widget */
new_w->owner = h;
new_w->id = old_w->id;
if (should_focus)
h->current->data = new_w;
else
g_list_find (h->widgets, old_w)->data = new_w;
holder->data = new_w;
send_message (old_w, NULL, MSG_DESTROY, 0, NULL);
send_message (new_w, NULL, MSG_INIT, 0, NULL);
if (should_focus)
widget_select (new_w);
/* draw inactive widget */
if (!widget_get_state (new_w, WST_FOCUSED))
else
widget_redraw (new_w);
}