GUI crash bugfix

2011-10-16 03:22:48 -04:00 · 2011-10-16 03:22:48 -04:00 · 7ec713347f
parent 7f71397b82
commit 7ec713347f
1 changed files with 3 additions and 2 deletions
--- a/src/mtsgui/glwidget.cpp
+++ b/src/mtsgui/glwidget.cpp
@ -779,10 +779,11 @@ void GLWidget::mouseMoveEvent(QMouseEvent *event) {
 }
 	
 void GLWidget::wheelEvent(QWheelEvent *event) {
+	if (!m_preview->isRunning() || m_context == NULL || m_context->scene == NULL || m_animation)
+		return;
+
 	QScrollBar *bar = event->orientation() == Qt::Vertical
 		? m_vScroll : m_hScroll;
-	if (!m_preview->isRunning() || m_animation) 
-		return;

 	if (bar->isVisible()) {
 		int oldStep = bar->singleStep();