fix #275 #237; implements watchers for mouse x and mouse y

objects.js

@@ -124,7 +124,7 @@ PrototypeHatBlockMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.objects = '2013-December-12';
+modules.objects = '2013-December-18';
 
 var SpriteMorph;
 var StageMorph;
@@ -1680,7 +1680,9 @@ SpriteMorph.prototype.blockTemplates = function (category) {
         blocks.push(watcherToggle('getLastAnswer'));
         blocks.push(block('getLastAnswer'));
         blocks.push('-');
+        blocks.push(watcherToggle('reportMouseX'));
         blocks.push(block('reportMouseX'));
+        blocks.push(watcherToggle('reportMouseY'));
         blocks.push(block('reportMouseY'));
         blocks.push(block('reportMouseDown'));
         blocks.push('-');
@@ -3046,6 +3048,24 @@ SpriteMorph.prototype.getLastAnswer = function () {
     return this.parentThatIsA(StageMorph).lastAnswer;
 };
 
+// SpriteMorph mouse coordinates
+
+SpriteMorph.prototype.reportMouseX = function () {
+    var stage = this.parentThatIsA(StageMorph);
+    if (stage) {
+        return stage.reportMouseX();
+    }
+    return 0;
+};
+
+SpriteMorph.prototype.reportMouseY = function () {
+    var stage = this.parentThatIsA(StageMorph);
+    if (stage) {
+        return stage.reportMouseY();
+    }
+    return 0;
+};
+
 // SpriteMorph variable watchers (for palette checkbox toggling)
 
 SpriteMorph.prototype.findVariableWatcher = function (varName) {
@@ -3949,6 +3969,24 @@ StageMorph.prototype.getLastMessage = function () {
     return this.lastMessage || '';
 };
 
+// StageMorph Mouse Corridnates
+
+StageMorph.prototype.reportMouseX = function () {
+   var world = this.world();
+    if (world) {
+        return (world.hand.position().x - this.center().x) / this.scale;
+    }
+    return 0;
+};
+
+StageMorph.prototype.reportMouseY = function () {
+    var world = this.world();
+    if (world) {
+        return (this.center().y - world.hand.position().y) / this.scale;
+    }
+    return 0;
+};
+
 // StageMorph drag & drop
 
 StageMorph.prototype.wantsDropOf = function (aMorph) {
@@ -4342,7 +4380,9 @@ StageMorph.prototype.blockTemplates = function (category) {
         blocks.push(watcherToggle('getLastAnswer'));
         blocks.push(block('getLastAnswer'));
         blocks.push('-');
+        blocks.push(watcherToggle('reportMouseX'));
         blocks.push(block('reportMouseX'));
+        blocks.push(watcherToggle('reportMouseY'));
         blocks.push(block('reportMouseY'));
         blocks.push(block('reportMouseDown'));
         blocks.push('-');
@@ -6004,7 +6044,8 @@ WatcherMorph.prototype.object = function () {
 
 WatcherMorph.prototype.isGlobal = function (selector) {
     return contains(
-        ['getTimer', 'getLastAnswer', 'getTempo', 'getLastMessage'],
+        ['getLastAnswer', 'getLastMessage', 'getTempo', 'getTimer',
+             'reportMouseX', 'reportMouseY'],        
         selector
     );
 };