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stack: Redraw last_visible_surface if child allocation changes

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So the widget is properly aligned.
This commit is contained in:
Timm Bäder 2016-10-28 12:51:03 +02:00
parent 212f8a6c7b
commit 8dce94c47a
1 changed files with 7 additions and 0 deletions
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7
gtk/gtkstack.c
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@ -2239,6 +2239,13 @@ gtk_stack_allocate (GtkCssGadget *gadget,
child_allocation.height = MAX (min, allocation->height);
gtk_widget_size_allocate (priv->last_visible_child->widget, &child_allocation);
if (!gdk_rectangle_equal (&priv->last_visible_surface_allocation,
&child_allocation))
{
cairo_surface_destroy (priv->last_visible_surface);
priv->last_visible_surface = NULL;
}
}
child_allocation.width = allocation->width;