Ticket #4977: droppable_pointer_fix.patch

Index: jquery.ui.droppable.js
===================================================================
--- jquery.ui.droppable.js	(revision 3476)
+++ jquery.ui.droppable.js	(working copy)
@@ -108,7 +108,7 @@
 				&& !inst.options.disabled
 				&& inst.options.scope == draggable.options.scope
 				&& inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element))
-				&& $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
+				&& $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance, event)
 			) { childrenIntersection = true; return false; }
 		});
 		if(childrenIntersection) return false;
@@ -149,7 +149,7 @@
 	}
 });
 
-$.ui.intersect = function(draggable, droppable, toleranceMode) {
+$.ui.intersect = function(draggable, droppable, toleranceMode, event) {
 
 	if (!droppable.offset) return false;
 
@@ -170,8 +170,8 @@
 				&& y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
 			break;
 		case 'pointer':
-			var draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left),
-				draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top),
+			var draggableLeft = event.pageX,
+				draggableTop = event.pageY,
 				isOver = $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width);
 			return isOver;
 			break;
@@ -225,7 +225,7 @@
 		$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
 
 			if(!this.options) return;
-			if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance))
+			if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance, event))
 				dropped = this._drop.call(this, event);
 
 			if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
@@ -246,7 +246,7 @@
 		$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
 
 			if(this.options.disabled || this.greedyChild || !this.visible) return;
-			var intersects = $.ui.intersect(draggable, this, this.options.tolerance);
+			var intersects = $.ui.intersect(draggable, this, this.options.tolerance, event);
 
 			var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null);
 			if(!c) return;