Index: page/EventHandler.cpp
===================================================================
--- page/EventHandler.cpp	(revision 48796)
+++ page/EventHandler.cpp	(working copy)
@@ -1184,7 +1184,19 @@
         return true;
     }
 
-    if (mouseEvent.button() == MiddleButton && !mev.isOverLink()) {
+    bool panScrollValid = mouseEvent.button() == MiddleButton && !mev.isOverLink();
+
+#if PLATFORM(LINUX)
+    //Make sure the mouse is not over a node that can accept middle-click paste
+    panScrollValid = panScrollValid && !mev.targetNode()->isContentEditable();
+    //Unfocus the focused node if it can accept middle-click paste.
+    //This prevents pasting into the node after panscrolling is finished.
+    if (panScrollValid && m_frame->selection()->isContentEditable()) {
+        m_frame->page()->focusController()->setFocusedNode(0, m_frame);
+    }
+#endif
+
+    if (panScrollValid) {
         RenderObject* renderer = mev.targetNode()->renderer();
 
         while (renderer && (!renderer->isBox() || !toRenderBox(renderer)->canBeScrolledAndHasScrollableArea())) {