r22556 by jghali - fix potential crash when closing doc, reopening a new one, and entering masterpage mode

[scribus-commit]

Author: jghali
Date: Thu May 24 18:31:13 2018
New Revision: 22556

URL: http://scribus.net/websvn/listing.php?repname=Scribus&sc=1&rev=22556
Log:
fix potential crash when closing doc, reopening a new one, and entering masterpage mode

Modified:
    trunk/Scribus/scribus/ui/pagepalette.cpp

Modified: trunk/Scribus/scribus/ui/pagepalette.cpp
URL: http://scribus.net/websvn/diff.php?repname=Scribus&rev=22556&path=/trunk/Scribus/scribus/ui/pagepalette.cpp
==============================================================================
--- trunk/Scribus/scribus/ui/pagepalette.cpp	(original)
+++ trunk/Scribus/scribus/ui/pagepalette.cpp	Thu May 24 18:31:13 2018
@@ -118,10 +118,10 @@
 
 void PagePalette::setView(ScribusView *view)
 {
-	PagePalette_Pages* pageWidget = dynamic_cast<PagePalette_Pages*>(this->currentWidget());
+	PagePalette_Pages* pageWidget = view ? dynamic_cast<PagePalette_Pages*>(this->currentWidget()) : this->pageWidget();
 	if (pageWidget)
 		pageWidget->setView(view);
-	PagePalette_MasterPages* mpWidget = dynamic_cast<PagePalette_MasterPages*>(this->currentWidget());
+	PagePalette_MasterPages* mpWidget = view ? dynamic_cast<PagePalette_MasterPages*>(this->currentWidget()) : this->masterpageWidget();
 	if (mpWidget)
 		mpWidget->setView(view);
 	m_view = view;