the map may jump on mouseup after dragging, p=me, r=crschmidt (closes #2936)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11635 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Drag.js

@@ -62,6 +62,14 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
      */
     start: null,
 
+    /**
+     * Property: lastMoveEvt
+     * {Object} The last mousemove event that occurred. Used to
+     *     position the map correctly when our "delay drag"
+     *     timeout expired.
+     */
+    lastMoveEvt: null,
+
     /**
      * Property: oldOnselectstart
      * {Function}
@@ -209,7 +217,7 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
                 this.oldOnselectstart = document.onselectstart;
                 document.onselectstart = OpenLayers.Function.False;
             }
-            this.last = this.evt.xy;
+            this.last = evt.xy;
         }
         return true;
     },
@@ -341,6 +349,7 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
      * {Boolean} Let the event propagate.
      */
     mousemove: function(evt) {
+        this.lastMoveEvt = evt;
         return this.dragmove(evt);
     },
 
@@ -364,6 +373,12 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
      */
     removeTimeout: function() {
         this.timeoutId = null;
+        // if timeout expires while we're still dragging (mouseup
+        // hasn't occurred) then call mousemove to move to the
+        // correct position
+        if(this.dragging) {
+            this.mousemove(this.lastMoveEvt);
+        }
     },
 
     /**