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Bug 478519 - GtkTooltip segfaults on NULL gdk-display-current-tooltip

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Make the tooltip code a bit more robust for a case that only occurs when
GTK+ is used from a language binding.  It looks like this case appears
because the memory management / ref counting is handled differently in
some of the language bindings.  Instead of asserting, we will fail
silently.  Also fix a think-o in gtk_tooltip_start_delay().  Patch from
O. Andrieu.
This commit is contained in:
Kristian Rietveld 2009-08-22 23:21:44 +02:00
parent e86fab56df
commit f84df976a7
1 changed files with 9 additions and 5 deletions
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14
gtk/gtktooltip.c
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@ -945,8 +945,6 @@ gtk_tooltip_show_tooltip (GdkDisplay *display)
g_object_get (tooltip_widget, "has-tooltip", &has_tooltip, NULL);
g_assert (tooltip != NULL);
return_value = gtk_tooltip_run_requery (&tooltip_widget, tooltip, &x, &y);
if (!return_value)
return;
@ -1048,11 +1046,17 @@ tooltip_popup_timeout (gpointer data)
GtkTooltip *tooltip;
display = GDK_DISPLAY_OBJECT (data);
tooltip = g_object_get_data (G_OBJECT (display),
"gdk-display-current-tooltip");
/* This usually does not happen. However, it does occur in language
* bindings were reference counting of objects behaves differently.
*/
if (!tooltip)
return FALSE;
gtk_tooltip_show_tooltip (display);
tooltip = g_object_get_data (G_OBJECT (display),
"gdk-display-current-tooltip");
tooltip->timeout_id = 0;
return FALSE;
@ -1068,7 +1072,7 @@ gtk_tooltip_start_delay (GdkDisplay *display)
tooltip = g_object_get_data (G_OBJECT (display),
"gdk-display-current-tooltip");
if (tooltip && GTK_TOOLTIP_VISIBLE (tooltip))
if (!tooltip || GTK_TOOLTIP_VISIBLE (tooltip))
return;
if (tooltip->timeout_id)