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stack: Warn when setting a visible child which is not in the stack

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https://bugzilla.gnome.org/show_bug.cgi?id=709613
This commit is contained in:
David King
2013-10-07 13:46:16 +01:00
committed by David King
parent 05907afc1c
commit 5f61183158
1 changed files with 12 additions and 2 deletions
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14
gtk/gtkstack.c
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@ -1341,7 +1341,11 @@ gtk_stack_set_visible_child (GtkStack *stack,
child_info = find_child_info_for_widget (stack, child); child_info = find_child_info_for_widget (stack, child);
if (child_info == NULL) if (child_info == NULL)
return; {
g_warning ("Given child of type '%s' not found in GtkStack",
G_OBJECT_TYPE_NAME (child));
return;
}
if (gtk_widget_get_visible (child_info->widget)) if (gtk_widget_get_visible (child_info->widget))
set_visible_child (stack, child_info, set_visible_child (stack, child_info,
@ -1406,7 +1410,13 @@ gtk_stack_set_visible_child_full (GtkStack *stack,
} }
} }
if (child_info != NULL && gtk_widget_get_visible (child_info->widget)) if (child_info == NULL)
{
g_warning ("Child name '%s' not found in GtkStack", name);
return;
}
if (gtk_widget_get_visible (child_info->widget))
set_visible_child (stack, child_info, transition, priv->transition_duration); set_visible_child (stack, child_info, transition, priv->transition_duration);
} }