1 files changed, 10 insertions, 29 deletions

diff --git a/js/tools/ZoomTool.js b/js/tools/ZoomTool.js
index cabf3a3d..4b6705c1 100644
--- a/js/tools/ZoomTool.js
+++ b/js/tools/ZoomTool.js
@@ -74,10 +74,12 @@ exports.ZoomTool = Montage.create(DrawingTool, {
            if(wasSelected) {
                 this.AddCustomFeedback();
                 this.eventManager.addEventListener( "toolDoubleClick", this, false);
+                                this.application.ninja.stage.drawingCanvas.addEventListener("mousewheel", this, false);
 
            } else {
                 this.RemoveCustomFeedback();
                 this.eventManager.removeEventListener( "toolDoubleClick", this, false);
+                                this.application.ninja.stage.drawingCanvas.removeEventListener("mousewheel", this, false);
            }
         }
     },
@@ -138,9 +140,11 @@ exports.ZoomTool = Montage.create(DrawingTool, {
         {
                 value : function (event)
                 {
-                        // check for some reasonable amount of mouse movement
-                        var dx = Math.abs(event.layerX - this.downPoint.x),
-                                dy = Math.abs(event.layerY - this.downPoint.y);
+            var point = webkitConvertPointFromPageToNode(this.application.ninja.stage.canvas,
+                                                                    new WebKitPoint(event.pageX, event.pageY));
+            // check for some reasonable amount of mouse movement
+                        var dx = Math.abs(point.x - this.downPoint.x),
+                                dy = Math.abs(point.y - this.downPoint.y);
 
                         if ((dx >= 4) || (dy >= 4))
                         {
@@ -238,19 +242,6 @@ exports.ZoomTool = Montage.create(DrawingTool, {
                                 var p1 = [this._layerX, this._layerY, 0];
                                 globalPt = vecUtils.vecAdd(3, p0, p1);
                                 vecUtils.vecScale(3, globalPt, 0.5);
-
-                                var hitRec = snapManager.snap( globalPt[0], globalPt[1], true );
-                                if (hitRec)
-                                {
-                                        var elt = hitRec.getElement();
-                                        if (elt)
-                                        {
-//                                              console.log( "hit: " + hitRec.getElement().id );
-                                                var localToGlobalMat = viewUtils.getLocalToGlobalMatrix( elt );
-                                                var localPt  = hitRec.calculateElementPreTransformScreenPoint();
-                                                globalPt = MathUtils.transformAndDivideHomogeneousPoint( localPt,  localToGlobalMat );
-                                        }
-                                }
                         }
                         else if (this._mode === "doubleClickReset")
                         {
@@ -270,19 +261,9 @@ exports.ZoomTool = Montage.create(DrawingTool, {
                         }
                         else if (this._mode === "mouseWheelZoom")
                         {
-                                if (userContent)
-                                {
-                                        var w = userContent.offsetWidth,
-                                                h = userContent.offsetHeight;
-                                        if(userContent.width)
-                                                w = userContent.width;
-                                        if(userContent.height)
-                                                h = userContent.height;
-                                        var localPt = [ w/2,  h/2, 0];
-                                        globalPt = viewUtils.localToGlobal( localPt, userContent );
-                                }
-                                else
-                                        globalPt = [0,0,0];
+                var w = this.application.ninja.stage._canvas.width,
+                    h = this.application.ninja.stage._canvas.height;
+                                globalPt = [w/2, h/2, 0];
                         }
                         else
                         {