Examples of java.awt.peer.ComponentPeer

java.awt.peer.ComponentPeer
The peer interfaces are intended only for use in porting the AWT. They are not intended for use by application developers, and developers should not implement peers nor invoke any of the peer methods directly on the peer instances.

            postProcessKeyEvent(e);
        }


        // Allow the peer to process KeyEvent
        Component source = e.getComponent();
        ComponentPeer peer = source.getPeer();


        if (peer == null || peer instanceof LightweightPeer) {
            // if focus owner is lightweight then its native container 
            // processes event
            Container target = source.getNativeContainer();
            if (target != null) {
                peer = target.getPeer();
            }
        }
        if (peer != null) {
            peer.handleEvent(e);
        }


        return true;
    }

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         */
        if (KeyboardFocusManager.isProxyActive(ke)) {
            Component source = (Component)ke.getSource();
            Container target = source.getNativeContainer();
            if (target != null) {
                ComponentPeer peer = target.getPeer();
                if (peer != null) {
                    peer.handleEvent(ke);
                    /**
                     * Fix for 4478780 - consume event after it was dispatched by peer.
                     */
                    ke.consume();
                }

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            }
  }
    }


    private boolean coalescePaintEvent(PaintEvent e) {                                 
        ComponentPeer sourcePeer = ((Component)e.getSource()).peer;                
        if (sourcePeer != null) {                                                  
            sourcePeer.coalescePaintEvent(e);                                      
        }                                                                          
        EventQueueItem[] cache = ((Component)e.getSource()).eventCache;               
        if (cache == null) {                                                       
            return false;                                                          
        }

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     * @deprecated As of JDK version 1.1,
     * replaced by <code>getInsets()</code>.
     */
    @Deprecated
    public Insets insets() {
        ComponentPeer peer = this.peer;
  if (peer instanceof ContainerPeer) {
      ContainerPeer cpeer = (ContainerPeer)peer;
      return (Insets)cpeer.insets().clone();
  }
  return new Insets(0, 0, 0, 0);

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     * @param component component
     * @return peer
     */
    private long getViewPointer(Component component) {
        try {
            @SuppressWarnings("deprecation")
            ComponentPeer peer = component.getPeer();
            Method method = peer.getClass().getMethod("getViewPtr");
            Object result = method.invoke(peer);
            System.out.println("result: " + result);
            if(result != null) {
                System.out.println("class: " + result.getClass());
                return Long.parseLong(result.toString());

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    private static ISwingContainerPeer getContainerPeer(Component component) {
        final Component parent = component.getParent();
        if (parent == null) {
            return null;
        } else {
            final ComponentPeer parentPeer = parent.getPeer();
            if (parentPeer instanceof ISwingContainerPeer) {
                return (ISwingContainerPeer) parentPeer;
            } else {
                return getContainerPeer(parent);
            }

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        while (heavyParent != null && heavyParent.isLightweight()) {
            heavyParent = heavyParent.getParent();
        }


        if (heavyParent != null) {
            ComponentPeer peer = heavyParent.getPeer();


            if (peer != null && peer.canDetermineObscurity() &&
                                !peer.isObscured()) {
                // The peer says we aren't obscured, therefore we can assume
                // that we won't later be messaged to paint a portion that
                // we tried to blit that wasn't valid.
                // It is certainly possible that when we blited we were
                // obscured, and by the time this is invoked we aren't, but the

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        boolean focusable = aComponent.isFocusable();
        if (aComponent.isFocusTraversableOverridden()) {
            return focusable;
        }


        ComponentPeer peer = aComponent.getPeer();
        return (peer != null && peer.isFocusable());
    }

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        }


        synchronized (this) {
            source = newSource;
            if (comp != null) {
                ComponentPeer peer = comp.peer;
                if (peer != null) {
                    nativeSetSource(peer);
                }
            }
        }

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    public synchronized void setComponent(Component c) {
        if (component == c || component != null && component.equals(c))
            return;


        Component     old;
        ComponentPeer oldPeer = null;


        if ((old = component) != null) {
            clearAutoscroll();


            component = null;

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