Esempio n. 1
0
  // WComponentPeer overrides
  @SuppressWarnings("unchecked")
  protected void disposeImpl() {
    AppContext appContext = SunToolkit.targetToAppContext(target);
    synchronized (appContext) {
      List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
      if (l != null) {
        l.remove(this);
      }
    }

    // Remove ourself from the Map of DisplayChangeListeners
    GraphicsConfiguration gc = getGraphicsConfiguration();
    ((Win32GraphicsDevice) gc.getDevice()).removeDisplayChangedListener(this);

    synchronized (getStateLock()) {
      TranslucentWindowPainter currentPainter = painter;
      if (currentPainter != null) {
        currentPainter.flush();
        // don't set the current one to null here; reduces the chances of
        // MT issues (like NPEs)
      }
    }

    super.disposeImpl();
  }
Esempio n. 2
0
  public void setOpaque(boolean isOpaque) {
    synchronized (getStateLock()) {
      if (this.isOpaque == isOpaque) {
        return;
      }
    }

    Window target = (Window) getTarget();

    if (!isOpaque) {
      SunToolkit sunToolkit = (SunToolkit) target.getToolkit();
      if (!sunToolkit.isWindowTranslucencySupported()
          || !sunToolkit.isTranslucencyCapable(target.getGraphicsConfiguration())) {
        return;
      }
    }

    boolean isVistaOS = Win32GraphicsEnvironment.isVistaOS();

    if (this.isOpaque != isOpaque && !isVistaOS) {
      // non-Vista OS: only replace the surface data if the opacity
      // status changed (see WComponentPeer.isAccelCapable() for more)
      replaceSurfaceDataRecursively(target);
    }

    synchronized (getStateLock()) {
      this.isOpaque = isOpaque;
      setOpaqueImpl(isOpaque);
      if (isOpaque) {
        TranslucentWindowPainter currentPainter = painter;
        if (currentPainter != null) {
          currentPainter.flush();
          painter = null;
        }
      } else {
        painter = TranslucentWindowPainter.createInstance(this);
      }
    }

    if (isVistaOS) {
      // On Vista: setting the window non-opaque makes the window look
      // rectangular, though still catching the mouse clicks within
      // its shape only. To restore the correct visual appearance
      // of the window (i.e. w/ the correct shape) we have to reset
      // the shape.
      Shape shape = target.getShape();
      if (shape != null) {
        target.setShape(shape);
      }
    }

    if (target.isVisible()) {
      updateWindow(true);
    }
  }