From ad3464d2e9c0da6d9cfd5e153fa68e722b8810c5 Mon Sep 17 00:00:00 2001
From: Monsta <monsta@inbox.ru>
Date: Thu, 12 Nov 2015 11:07:39 +0300
Subject: don't destroy a widget in its draw/expose signal

ported from:
https://git.gnome.org/browse/gnome-panel/commit/?id=8c275a2adf4ad99297a17cabf251344837620831
https://git.gnome.org/browse/gnome-panel/commit/?id=be33e799d968a073c0a8856c96d11e8594b88bc4
---
 mate-panel/xstuff.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/mate-panel/xstuff.c b/mate-panel/xstuff.c
index 898bcb6f..42dc3b78 100644
--- a/mate-panel/xstuff.c
+++ b/mate-panel/xstuff.c
@@ -309,6 +309,14 @@ zoom_timeout (GtkWidget *window)
 	return TRUE;
 }
 
+static gboolean
+idle_destroy (gpointer data)
+{
+	gtk_widget_destroy (GTK_WIDGET (data));
+
+	return FALSE;
+}
+
 static gboolean
 #if GTK_CHECK_VERSION (3, 0, 0)
 zoom_draw (GtkWidget *widget,
@@ -328,12 +336,13 @@ zoom_expose (GtkWidget      *widget,
 			g_source_remove (zoom->timeout_id);
 		zoom->timeout_id = 0;
 
+		gtk_widget_hide (widget);
+		g_idle_add (idle_destroy, widget);
+
 		g_object_unref (zoom->pixbuf);
 		zoom->pixbuf = NULL;
 
 		g_slice_free (CompositedZoomData, zoom);
-
-		gtk_widget_destroy (widget);
 	} else {
 		GdkPixbuf *scaled;
 		int width, height;
-- 
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