added mouseEvent struct

widget/public/nsGUIEvent.h

@@ -85,6 +85,21 @@ struct nsScrollbarEvent : public nsGUIEvent {
 };
 
 
+/**
+ * Mouse event
+ */
+
+struct nsMouseEvent : public nsGUIEvent {
+                /// PR_TRUE indicates the shift key in down
+    PRBool          isShift;        
+                /// PR_TRUE indicates the control key in down
+    PRBool          isControl;      
+                /// PR_TRUE indicates the alt key in down
+    PRBool          isAlt;          
+                /// The number of mouse clicks
+    PRUint32        clickCount;          
+};
+
 /**
  * Keyboard event
  */

widget/src/windows/nsWindow.cpp

@@ -1581,10 +1581,15 @@ PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType)
     return result;
   }
 
- // nsMouseEvent event;
-  nsGUIEvent event;
+  nsMouseEvent event;
   InitEvent(event, aEventType);
 
+  event.isShift   = GetKeyState(VK_LSHIFT) < 0   || GetKeyState(VK_RSHIFT) < 0;
+  event.isControl = GetKeyState(VK_LCONTROL) < 0 || GetKeyState(VK_RCONTROL) < 0;
+  event.isAlt     = GetKeyState(VK_LMENU) < 0    || GetKeyState(VK_RMENU) < 0;
+  event.clickCount = (aEventType == NS_MOUSE_LEFT_DOUBLECLICK ||
+                      aEventType == NS_MOUSE_LEFT_DOUBLECLICK)? 2:1;
+
   // call the event callback 
   if (nsnull != mEventCallback) {