Changeset 10778 for OpenSceneGraph/trunk/examples/osgviewerWX/osgviewerWX.cpp

Timestamp:

11/19/09 12:21:05 (4 years ago)

Author:

robert

Message:

From J.P. Delport, "simple addition to make the scroll wheel work in the example."

Files:

• OpenSceneGraph/trunk/examples/osgviewerWX/osgviewerWX.cpp (modified) (2 diffs)

OpenSceneGraph/trunk/examples/osgviewerWX/osgviewerWX.cpp

@@ -128 +128 @@
     EVT_RIGHT_UP            (OSGCanvas::OnMouseUp)
     EVT_MOTION              (OSGCanvas::OnMouseMotion)
+    EVT_MOUSEWHEEL          (OSGCanvas::OnMouseWheel)
 END_EVENT_TABLE()
 
@@ -228 +229 @@
     if (_graphics_window.valid())
         _graphics_window->getEventQueue()->mouseMotion(event.GetX(), event.GetY());
+}
+
+void OSGCanvas::OnMouseWheel(wxMouseEvent &event)
+{
+    int delta = event.GetWheelRotation() / event.GetWheelDelta() * event.GetLinesPerAction();
+
+    if (_graphics_window.valid()) {
+        _graphics_window->getEventQueue()->mouseScroll(
+            delta>0 ? 
+            osgGA::GUIEventAdapter::SCROLL_UP : 
+            osgGA::GUIEventAdapter::SCROLL_DOWN);
+    }
 }