fixed a crash in mdichild management (closing a not-maximized not-channel window)

git-svn-id: https://svn.kvirc.de/svn/trunk/kvirc@3159 17fca916-40b9-46aa-a4ea-0a15b648b75c

1 files changed, 12 insertions, 1 deletions

diff --git a/src/kvirc/ui/kvi_mdichild.cpp b/src/kvirc/ui/kvi_mdichild.cpp
index 20f69113d..905261686 100644
--- a/src/kvirc/ui/kvi_mdichild.cpp
+++ b/src/kvirc/ui/kvi_mdichild.cpp
@@ -113,7 +113,18 @@ KviMdiChild::~KviMdiChild()
 
 void KviMdiChild::closeEvent(QCloseEvent * e)
 {
-	widget()->close();
+	//this is tricky: first save a reference to our internal widget
+	QWidget * pClient = widget();
+	if(pClient)
+	{
+		//then, let's forget about it and make it forget about us
+		widget()->setParent(0);
+		unsetClient();
+		//make kviframe close it "the delete way"
+		pClient->close();
+	}
+	//while we survive for closing ourselves "the deleteLater() way"
+	deleteLater();
 	e->ignore();
 }