Attachment #474244 for bug #588403

Attachment #474244: Part 1. Make nsWindow::GetBounds return in screen coordinates for popups (checked in) for bug #588403

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     *               the case of popups may not be this widget's toplevel
     *               window) is already active, and this function indicates
     *               that keyboard events should be reported through the
     *               aHandleEventFunction provided to this->Create().
     */
    NS_IMETHOD SetFocus(PRBool aRaise = PR_FALSE) = 0;

    /**
     * Get this widget's outside dimensions relative to its parent widget. For
     * popup widgets the returned rect is in screen coordinates and not
     * relative to its parent widget.
     *
     * @param aRect   On return it holds the  x, y, width and height of
     *                this widget.
     */
    NS_IMETHOD GetBounds(nsIntRect &aRect) = 0;

    /**
     * Get this widget's outside dimensions in global coordinates. This





  if (mWnd) {
    RECT r;
    VERIFY(::GetWindowRect(mWnd, &r));

    // assign size
    aRect.width  = r.right - r.left;
    aRect.height = r.bottom - r.top;

    // popup window bounds' are in screen coordinates, not relative to parent
    // window
    if (mWindowType == eWindowType_popup) {
      aRect.x = r.left;
      aRect.y = r.top;
      return NS_OK;
    }

    // chrome on parent:
    //  ___      5,5   (chrome start)
    // |  ____   10,10 (client start)
    // | |  ____ 20,20 (child start)
    // | | |
    // 20,20 - 5,5 = 15,15 (??)
    // minus GetClientOffset:
    // 15,15 - 5,5 = 10,10

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