Examples of ComponentPeer

ae.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.
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.

Examples of java.awt.peer.ComponentPeer

     * @see #isDisplayable
     * @see GraphicsEnvironment#isHeadless
     * @since     JDK1.0
     */
    public Image createImage(int width, int height) {
        ComponentPeer peer = this.peer;
        if (peer instanceof LightweightPeer) {
            if (parent != null) { return parent.createImage(width, height); }
            else { return null;}
        } else {
            return (peer != null) ? peer.createImage(width, height) : null;
        }
    }

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Examples of java.awt.peer.ComponentPeer

     * @see #isDisplayable
     * @see GraphicsEnvironment#isHeadless
     * @since     1.4
     */
    public VolatileImage createVolatileImage(int width, int height) {
        ComponentPeer peer = this.peer;
        if (peer instanceof LightweightPeer) {
            if (parent != null) {
                return parent.createVolatileImage(width, height);
            }
            else { return null;}
        } else {
            return (peer != null) ?
                peer.createVolatileImage(width, height) : null;
        }
    }

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Examples of java.awt.peer.ComponentPeer

     * @see       java.awt.image.ImageObserver
     * @since     JDK1.0
     */
    public boolean prepareImage(Image image, int width, int height,
                                ImageObserver observer) {
        ComponentPeer peer = this.peer;
        if (peer instanceof LightweightPeer) {
            return (parent != null)
                ? parent.prepareImage(image, width, height, observer)
                : getToolkit().prepareImage(image, width, height, observer);
        } else {
            return (peer != null)
                ? peer.prepareImage(image, width, height, observer)
                : getToolkit().prepareImage(image, width, height, observer);
        }
    }

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Examples of java.awt.peer.ComponentPeer

     * @see      java.awt.image.ImageObserver
     * @since    JDK1.0
     */
    public int checkImage(Image image, int width, int height,
                          ImageObserver observer) {
        ComponentPeer peer = this.peer;
        if (peer instanceof LightweightPeer) {
            return (parent != null)
                ? parent.checkImage(image, width, height, observer)
                : getToolkit().checkImage(image, width, height, observer);
        } else {
            return (peer != null)
                ? peer.checkImage(image, width, height, observer)
                : getToolkit().checkImage(image, width, height, observer);
        }
    }

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Examples of java.awt.peer.ComponentPeer

         * Except KeyEvents, they will be processed by peer after
         * all KeyEventPostProcessors
         * (see DefaultKeyboardFocusManager.dispatchKeyEvent())
         */
        if (!(e instanceof KeyEvent)) {
            ComponentPeer tpeer = peer;
            if (e instanceof FocusEvent && (tpeer == null || tpeer instanceof LightweightPeer)) {
                // if focus owner is lightweight then its native container
                // processes event
                Component source = (Component)e.getSource();
                if (source != null) {
                    Container target = source.getNativeContainer();
                    if (target != null) {
                        tpeer = target.getPeer();
                    }
                }
            }
            if (tpeer != null) {
                tpeer.handleEvent(e);
            }
        }
    } // dispatchEventImpl()

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Examples of java.awt.peer.ComponentPeer

     * @deprecated As of JDK version 1.1,
     * replaced by dispatchEvent(AWTEvent).
     */
    @Deprecated
    public boolean postEvent(Event e) {
        ComponentPeer peer = this.peer;


        if (handleEvent(e)) {
            e.consume();
            return true;
        }

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Examples of java.awt.peer.ComponentPeer

     * @see #invalidate
     * @since JDK1.0
     */
    public void addNotify() {
        synchronized (getTreeLock()) {
            ComponentPeer peer = this.peer;
            if (peer == null || peer instanceof LightweightPeer){
                if (peer == null) {
                    // Update both the Component's peer variable and the local
                    // variable we use for thread safety.
                    this.peer = peer = getToolkit().createComponent(this);
                }


                // This is a lightweight component which means it won't be
                // able to get window-related events by itself.  If any
                // have been enabled, then the nearest native container must
                // be enabled.
                if (parent != null) {
                    long mask = 0;
                    if ((mouseListener != null) || ((eventMask & AWTEvent.MOUSE_EVENT_MASK) != 0)) {
                        mask |= AWTEvent.MOUSE_EVENT_MASK;
                    }
                    if ((mouseMotionListener != null) ||
                        ((eventMask & AWTEvent.MOUSE_MOTION_EVENT_MASK) != 0)) {
                        mask |= AWTEvent.MOUSE_MOTION_EVENT_MASK;
                    }
                    if ((mouseWheelListener != null ) ||
                        ((eventMask & AWTEvent.MOUSE_WHEEL_EVENT_MASK) != 0)) {
                        mask |= AWTEvent.MOUSE_WHEEL_EVENT_MASK;
                    }
                    if (focusListener != null || (eventMask & AWTEvent.FOCUS_EVENT_MASK) != 0) {
                        mask |= AWTEvent.FOCUS_EVENT_MASK;
                    }
                    if (keyListener != null || (eventMask & AWTEvent.KEY_EVENT_MASK) != 0) {
                        mask |= AWTEvent.KEY_EVENT_MASK;
                    }
                    if (mask != 0) {
                        parent.proxyEnableEvents(mask);
                    }
                }
            } else {
                // It's native. If the parent is lightweight it will need some
                // help.
                Container parent = getContainer();
                if (parent != null && parent.isLightweight()) {
                    relocateComponent();
                    if (!parent.isRecursivelyVisibleUpToHeavyweightContainer())
                    {
                        peer.setVisible(false);
                    }
                }
            }
            invalidate();

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Examples of java.awt.peer.ComponentPeer

                if (inputContext != null) {
                    inputContext.removeNotify(this);
                }
            }


            ComponentPeer p = peer;
            if (p != null) {
                boolean isLightweight = isLightweight();


                if (bufferStrategy instanceof FlipBufferStrategy) {
                    ((FlipBufferStrategy)bufferStrategy).destroyBuffers();
                }


                if (dropTarget != null) dropTarget.removeNotify(peer);


                // Hide peer first to stop system events such as cursor moves.
                if (visible) {
                    p.setVisible(false);
                }


                peer = null; // Stop peer updates.
                peerFont = null;


                Toolkit.getEventQueue().removeSourceEvents(this, false);
                KeyboardFocusManager.getCurrentKeyboardFocusManager().
                    discardKeyEvents(this);


                p.dispose();


                mixOnHiding(isLightweight);


                isAddNotifyComplete = false;
                // Nullifying compoundShape means that the component has normal shape

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Examples of java.awt.peer.ComponentPeer

                return false;
            }
            window = window.parent;
        }


        ComponentPeer peer = this.peer;
        Component heavyweight = (peer instanceof LightweightPeer)
            ? getNativeContainer() : this;
        if (heavyweight == null || !heavyweight.isVisible()) {
            if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
                focusLog.finest("Component is not a part of visible hierarchy");
            }
            return false;
        }
        peer = heavyweight.peer;
        if (peer == null) {
            if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
                focusLog.finest("Peer is null");
            }
            return false;
        }


        // Focus this Component
        long time = 0;
        if (EventQueue.isDispatchThread()) {
            time = Toolkit.getEventQueue().getMostRecentKeyEventTime();
        } else {
            // A focus request made from outside EDT should not be associated with any event
            // and so its time stamp is simply set to the current time.
            time = System.currentTimeMillis();
        }


        boolean success = peer.requestFocus
            (this, temporary, focusedWindowChangeAllowed, time, cause);
        if (!success) {
            KeyboardFocusManager.getCurrentKeyboardFocusManager
                (appContext).dequeueKeyEvents(time, this);
            if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {

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Examples of java.awt.peer.ComponentPeer

                focusLog.finest("Not focusable or not visible");
            }
            return false;
        }


        ComponentPeer peer = this.peer;
        if (peer == null) {
            if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
                focusLog.finest("peer is null");
            }
            return false;

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