glvdebug: minor improvement to timeline so it doesn't try to scrollTo(..) invalid...

* This would cause the timeline to redraw thinking that the item wasn't in view.

diff --git a/tools/glave/src/glvdebug/glvdebug_qtimelineview.cpp b/tools/glave/src/glvdebug/glvdebug_qtimelineview.cpp
index ab5984c..fa79af2 100755 (executable)
--- a/tools/glave/src/glvdebug/glvdebug_qtimelineview.cpp
+++ b/tools/glave/src/glvdebug/glvdebug_qtimelineview.cpp
@@ -482,6 +482,11 @@ QRectF glvdebug_QTimelineView::viewportRect(const QModelIndex &index) const
 //-----------------------------------------------------------------------------\r
 void glvdebug_QTimelineView::scrollTo(const QModelIndex &index, ScrollHint hint/* = EnsureVisible*/)\r
 {\r
+    if (!index.isValid())\r
+    {\r
+        return;\r
+    }\r
+\r
     QRect viewRect = viewport()->rect();\r
     QRect itemRect = visualRect(index);\r
 \r