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inspector: Avoid a critical

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If a layout manager does not have layout children,
quietly hide the layout page.
This commit is contained in:
Matthias Clasen 2019-04-05 19:44:16 +00:00
parent ef9dc43474
commit cb3d61bb0e
1 changed files with 3 additions and 0 deletions
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3
gtk/inspector/prop-list.c
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@ -528,6 +528,9 @@ gtk_inspector_prop_list_set_layout_child (GtkInspectorPropList *pl,
if (!layout_manager)
return;
if (GTK_LAYOUT_MANAGER_GET_CLASS (layout_manager)->layout_child_type == G_TYPE_INVALID)
return;
layout_child = gtk_layout_manager_get_layout_child (layout_manager, GTK_WIDGET (object));
if (!layout_child)
return;