Bug 555081 - Fix for mouse capture now that ChildWindow is gone from the main window. r=jmathies.

widget/src/windows/nsWindow.cpp

@@ -3735,6 +3735,25 @@ PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType, WPARAM wParam,
     return result;
   }
 
+  switch (aEventType) {
+    case NS_MOUSE_BUTTON_DOWN:
+      CaptureMouse(PR_TRUE);
+      break;
+
+    // NS_MOUSE_MOVE and NS_MOUSE_EXIT are here because we need to make sure capture flag
+    // isn't left on after a drag where we wouldn't see a button up message (see bug 324131).
+    case NS_MOUSE_BUTTON_UP:
+    case NS_MOUSE_MOVE:
+    case NS_MOUSE_EXIT:
+      if (!(wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) && mIsInMouseCapture)
+        CaptureMouse(PR_FALSE);
+      break;
+
+    default:
+      break;
+
+  } // switch
+
   nsIntPoint eventPoint;
   eventPoint.x = GET_X_LPARAM(lParam);
   eventPoint.y = GET_Y_LPARAM(lParam);
@@ -8023,39 +8042,6 @@ LPARAM nsWindow::lParamToClient(LPARAM lParam)
  **************************************************************
  **************************************************************/
 
-// Deal with all sort of mouse event
-PRBool ChildWindow::DispatchMouseEvent(PRUint32 aEventType, WPARAM wParam, LPARAM lParam,
-                                       PRBool aIsContextMenuKey, PRInt16 aButton, PRUint16 aInputSource)
-{
-  PRBool result = PR_FALSE;
-
-  if (nsnull == mEventCallback) {
-    return result;
-  }
-
-  switch (aEventType) {
-    case NS_MOUSE_BUTTON_DOWN:
-      CaptureMouse(PR_TRUE);
-      break;
-
-    // NS_MOUSE_MOVE and NS_MOUSE_EXIT are here because we need to make sure capture flag
-    // isn't left on after a drag where we wouldn't see a button up message (see bug 324131).
-    case NS_MOUSE_BUTTON_UP:
-    case NS_MOUSE_MOVE:
-    case NS_MOUSE_EXIT:
-      if (!(wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) && mIsInMouseCapture)
-        CaptureMouse(PR_FALSE);
-      break;
-
-    default:
-      break;
-
-  } // switch
-
-  return nsWindow::DispatchMouseEvent(aEventType, wParam, lParam,
-                                      aIsContextMenuKey, aButton, aInputSource);
-}
-
 // return the style for a child nsWindow
 DWORD ChildWindow::WindowStyle()
 {

widget/src/windows/nsWindow.h

@@ -564,10 +564,6 @@ class ChildWindow : public nsWindow {
 
 public:
   ChildWindow() {}
-  PRBool DispatchMouseEvent(PRUint32 aEventType, WPARAM wParam, LPARAM lParam,
-                            PRBool aIsContextMenuKey = PR_FALSE,
-                            PRInt16 aButton = nsMouseEvent::eLeftButton,
-                            PRUint16 aInputSource = nsIDOMNSMouseEvent::MOZ_SOURCE_MOUSE);
 
 protected:
   virtual DWORD WindowStyle();