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window: Clear the renderer un unrealize

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We disconnect from the GDK window, so the renderer can't keep any useful
state.

Plus, we might be using an entirely different window next time we
realize (after a call to gtk_window_set_display() for example) that should
use a completely different renderer anyway.
This commit is contained in:
Benjamin Otte 2017-11-01 15:46:20 +01:00
parent 6b3d979196
commit 8059f9bb3a
1 changed files with 2 additions and 2 deletions
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4
gtk/gtkwindow.c
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@ -6995,8 +6995,8 @@ gtk_window_unrealize (GtkWidget *widget)
(GtkCallback) gtk_widget_unrealize,
NULL);
if (priv->renderer != NULL)
gsk_renderer_unrealize (priv->renderer);
gsk_renderer_unrealize (priv->renderer);
g_clear_object (&priv->renderer);
GTK_WIDGET_CLASS (gtk_window_parent_class)->unrealize (widget);