fix range mode problem with a recent commit - crash when dragging, due to drag_info...

git-svn-id: svn://localhost/ardour2/trunk@1529 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index 93b64afb6efaacfaeb1ed7371b44a97d1adb5fac..23d1426ac3d874bb29960e7335cd087ba82e0e63 100644 (file)
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -1526,7 +1526,7 @@ Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item
                        ** as passing the move threshold, otherwise e.g. copying regions to
                        ** the same temporal position on a different track doesn't work.
                        */
-                       if (drag_info.item_type == RegionItem) {
+                       if (drag_info.item_type == RegionItem && drag_info.data) {
                                RegionView* rv = reinterpret_cast<RegionView *> (drag_info.data);
                                if (drag_info.last_trackview != &rv->get_time_axis_view()) {
                                        drag_info.move_threshold_passed = true;