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-rw-r--r--mate-panel/panel-toplevel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mate-panel/panel-toplevel.c b/mate-panel/panel-toplevel.c
index 164b3bd5..d4ae5ea9 100644
--- a/mate-panel/panel-toplevel.c
+++ b/mate-panel/panel-toplevel.c
@@ -5079,6 +5079,11 @@ panel_toplevel_set_expand (PanelToplevel *toplevel,
{
g_return_if_fail (PANEL_IS_TOPLEVEL (toplevel));
+ if (toplevel->priv->attached && expand) {
+ g_warning ("attempt to expand attached toplevel; ignoring");
+ return;
+ }
+
expand = expand != FALSE;
if (toplevel->priv->expand == expand)