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/*
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* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.lwawt;
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import java.awt.*;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.peer.DropTargetPeer;
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import java.awt.event.*;
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import java.awt.image.ColorModel;
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import java.awt.image.ImageObserver;
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import java.awt.image.ImageProducer;
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import java.awt.image.VolatileImage;
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import java.awt.peer.ComponentPeer;
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import java.awt.peer.ContainerPeer;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.lang.reflect.Field;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import sun.awt.*;
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import sun.awt.event.IgnorePaintEvent;
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import sun.awt.image.SunVolatileImage;
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import sun.awt.image.ToolkitImage;
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import sun.java2d.SunGraphics2D;
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import sun.java2d.opengl.OGLRenderQueue;
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import sun.java2d.pipe.Region;
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import javax.swing.JComponent;
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import javax.swing.SwingUtilities;
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import javax.swing.RepaintManager;
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import sun.lwawt.macosx.CDropTarget;
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import com.sun.java.swing.SwingUtilities3;
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public abstract class LWComponentPeer<T extends Component, D extends JComponent>
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implements ComponentPeer, DropTargetPeer {
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// State lock is to be used for modifications to this
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// peer's fields (e.g. bounds, background, font, etc.)
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// It should be the last lock in the lock chain
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private final Object stateLock =
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new StringBuilder("LWComponentPeer.stateLock");
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// The lock to operate with the peers hierarchy. AWT tree
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// lock is not used as there are many peers related ops
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// to be done on the toolkit thread, and we don't want to
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// depend on a public lock on this thread
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private final static Object peerTreeLock =
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new StringBuilder("LWComponentPeer.peerTreeLock");
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/**
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* A custom tree-lock used for the hierarchy of the delegate Swing
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* components.
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* The lock synchronizes access to the delegate
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* internal state. Think of it as a 'virtual EDT'.
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*/
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// private final Object delegateTreeLock =
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// new StringBuilder("LWComponentPeer.delegateTreeLock");
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private T target;
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// Container peer. It may not be the peer of the target's direct
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// parent, for example, in the case of hw/lw mixing. However,
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// let's skip this scenario for the time being. We also assume
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// the container peer is not null, which might also be false if
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// addNotify() is called for a component outside of the hierarchy.
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// The exception is LWWindowPeers: their parents are always null
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private LWContainerPeer containerPeer;
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// Handy reference to the top-level window peer. Window peer is
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// borrowed from the containerPeer in constructor, and should also
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// be updated when the component is reparented to another container
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private LWWindowPeer windowPeer;
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private AtomicBoolean disposed = new AtomicBoolean(false);
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// Bounds are relative to parent peer
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private Rectangle bounds = new Rectangle();
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private Region region;
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// Component state. Should be accessed under the state lock
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private boolean visible = false;
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private boolean enabled = true;
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private Color background;
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private Color foreground;
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private Font font;
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// Paint area to coalesce all the paint events and store
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// the target dirty area
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private RepaintArea targetPaintArea;
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// private volatile boolean paintPending;
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private volatile boolean isLayouting;
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private D delegate = null;
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private Container delegateContainer;
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private Component delegateDropTarget;
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private final Object dropTargetLock = new Object();
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private int fNumDropTargets = 0;
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private CDropTarget fDropTarget = null;
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private PlatformComponent platformComponent;
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private final class DelegateContainer extends Container {
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{
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enableEvents(0xFFFFFFFF);
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}
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DelegateContainer() {
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super();
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}
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@Override
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public boolean isLightweight() {
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return false;
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}
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@Override
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public Point getLocation() {
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return getLocationOnScreen();
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}
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@Override
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public Point getLocationOnScreen() {
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return LWComponentPeer.this.getLocationOnScreen();
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}
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@Override
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public int getX() {
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return getLocation().x;
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}
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@Override
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public int getY() {
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return getLocation().y;
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}
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}
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public LWComponentPeer(T target, PlatformComponent platformComponent) {
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this.target = target;
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this.platformComponent = platformComponent;
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initializeContainerPeer();
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// Container peer is always null for LWWindowPeers, so
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// windowPeer is always null for them as well. On the other
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// hand, LWWindowPeer shouldn't use windowPeer at all
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if (containerPeer != null) {
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windowPeer = containerPeer.getWindowPeerOrSelf();
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}
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// don't bother about z-order here as updateZOrder()
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// will be called from addNotify() later anyway
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if (containerPeer != null) {
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containerPeer.addChildPeer(this);
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}
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// the delegate must be created after the target is set
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AWTEventListener toolkitListener = null;
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synchronized (Toolkit.getDefaultToolkit()) {
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try {
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toolkitListener = getToolkitAWTEventListener();
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setToolkitAWTEventListener(null);
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synchronized (getDelegateLock()) {
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delegate = createDelegate();
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if (delegate != null) {
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delegateContainer = new DelegateContainer();
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delegateContainer.add(delegate);
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delegateContainer.addNotify();
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delegate.addNotify();
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} else {
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return;
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}
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}
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} finally {
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setToolkitAWTEventListener(toolkitListener);
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}
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// todo swing: later on we will probably have one global RM
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SwingUtilities3.setDelegateRepaintManager(delegate, new RepaintManager() {
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@Override
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public void addDirtyRegion(final JComponent c, final int x, final int y, final int w, final int h) {
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if (SunToolkit.isDispatchThreadForAppContext(getTarget())) {
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synchronized (getDelegateLock()) {
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if (getDelegate().isPaintingForPrint()) {
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return;
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}
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}
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}
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Rectangle res = SwingUtilities.convertRectangle(
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c, new Rectangle(x, y, w, h), getDelegate());
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repaintPeer(res);
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}
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});
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}
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}
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/**
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* This method must be called under Toolkit.getDefaultToolkit() lock
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* and followed by setToolkitAWTEventListener()
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*/
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protected final AWTEventListener getToolkitAWTEventListener() {
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return AccessController.doPrivileged(new PrivilegedAction<AWTEventListener>() {
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public AWTEventListener run() {
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Toolkit toolkit = Toolkit.getDefaultToolkit();
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try {
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Field field = Toolkit.class.getDeclaredField("eventListener");
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field.setAccessible(true);
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return (AWTEventListener) field.get(toolkit);
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} catch (Exception e) {
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throw new InternalError(e.toString());
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}
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}
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});
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}
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protected final void setToolkitAWTEventListener(final AWTEventListener listener) {
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AccessController.doPrivileged(new PrivilegedAction<Void>() {
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public Void run() {
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Toolkit toolkit = Toolkit.getDefaultToolkit();
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try {
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Field field = Toolkit.class.getDeclaredField("eventListener");
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field.setAccessible(true);
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field.set(toolkit, listener);
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} catch (Exception e) {
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throw new InternalError(e.toString());
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}
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return null;
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}
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});
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}
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/**
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* This method is called under getDelegateLock().
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* Overridden in subclasses.
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*/
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protected D createDelegate() {
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return null;
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}
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protected final D getDelegate() {
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synchronized (getStateLock()) {
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return delegate;
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}
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}
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protected Component getDelegateFocusOwner() {
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return getDelegate();
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}
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/*
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* Initializes this peer by fetching all the properties from the target.
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* The call to initialize() is not placed to LWComponentPeer ctor to
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* let the subclass ctor to finish completely first. Instead, it's the
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* LWToolkit object who is responsible for initialization.
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*/
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public void initialize() {
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platformComponent.initialize(target, this, getPlatformWindow());
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targetPaintArea = new LWRepaintArea();
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if (getDelegate() != null) {
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synchronized (getDelegateLock()) {
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resetColorsAndFont(delegate);
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getDelegate().setOpaque(true);
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}
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}
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setBackground(target.getBackground());
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setForeground(target.getForeground());
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setFont(target.getFont());
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setBounds(target.getBounds());
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setEnabled(target.isEnabled());
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setVisible(target.isVisible());
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}
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private static void resetColorsAndFont(final Container c) {
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c.setBackground(null);
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c.setForeground(null);
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c.setFont(null);
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for (int i = 0; i < c.getComponentCount(); i++) {
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resetColorsAndFont((Container) c.getComponent(i));
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}
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}
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final Object getStateLock() {
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return stateLock;
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}
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// Synchronize all operations with the Swing delegates under
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// AWT tree lock, using a new separate lock to synchronize
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// access to delegates may lead deadlocks
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final Object getDelegateLock() {
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//return delegateTreeLock;
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return getTarget().getTreeLock();
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}
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protected final static Object getPeerTreeLock() {
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return peerTreeLock;
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}
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final T getTarget() {
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return target;
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}
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// Just a helper method
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// Returns the window peer or null if this is a window peer
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protected final LWWindowPeer getWindowPeer() {
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return windowPeer;
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}
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// Returns the window peer or 'this' if this is a window peer
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protected LWWindowPeer getWindowPeerOrSelf() {
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return getWindowPeer();
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}
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// Just a helper method
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protected final LWContainerPeer getContainerPeer() {
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return containerPeer;
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}
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// Just a helper method
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// Overridden in LWWindowPeer to skip containerPeer initialization
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protected void initializeContainerPeer() {
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Container parent = LWToolkit.getNativeContainer(target);
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if (parent != null) {
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containerPeer = (LWContainerPeer) LWToolkit.targetToPeer(parent);
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}
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}
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public PlatformWindow getPlatformWindow() {
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LWWindowPeer windowPeer = getWindowPeer();
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return windowPeer.getPlatformWindow();
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}
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protected AppContext getAppContext() {
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return SunToolkit.targetToAppContext(getTarget());
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}
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// ---- PEER METHODS ---- //
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@Override
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public Toolkit getToolkit() {
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return LWToolkit.getLWToolkit();
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}
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// Just a helper method
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public LWToolkit getLWToolkit() {
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return LWToolkit.getLWToolkit();
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}
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@Override
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public void dispose() {
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if (disposed.compareAndSet(false, true)) {
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disposeImpl();
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}
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}
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protected void disposeImpl() {
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LWContainerPeer cp = getContainerPeer();
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if (cp != null) {
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cp.removeChildPeer(this);
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}
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platformComponent.dispose();
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LWToolkit.targetDisposedPeer(getTarget(), this);
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}
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public final boolean isDisposed() {
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return disposed.get();
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}
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/*
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* GraphicsConfiguration is borrowed from the parent peer. The
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* return value must not be null.
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*
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* Overridden in LWWindowPeer.
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*/
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@Override
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public GraphicsConfiguration getGraphicsConfiguration() {
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// Don't check windowPeer for null as it can only happen
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// for windows, but this method is overridden in
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// LWWindowPeer and doesn't call super()
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return getWindowPeer().getGraphicsConfiguration();
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}
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/*
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* Overridden in LWWindowPeer to replace its surface
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* data and back buffer.
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*/
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@Override
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public boolean updateGraphicsData(GraphicsConfiguration gc) {
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// TODO: not implemented
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// throw new RuntimeException("Has not been implemented yet.");
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return false;
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}
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@Override
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public final Graphics getGraphics() {
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Graphics g = getWindowPeerOrSelf().isOpaque() ? getOnscreenGraphics()
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: getOffscreenGraphics();
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if (g != null) {
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synchronized (getPeerTreeLock()){
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applyConstrain(g);
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}
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}
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return g;
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}
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/*
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* Peer Graphics is borrowed from the parent peer, while
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* foreground and background colors and font are specific to
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* this peer.
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*/
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public final Graphics getOnscreenGraphics() {
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final LWWindowPeer wp = getWindowPeerOrSelf();
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return wp.getOnscreenGraphics(getForeground(), getBackground(),
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getFont());
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}
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public final Graphics getOffscreenGraphics() {
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final LWWindowPeer wp = getWindowPeerOrSelf();
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|
453 |
return wp.getOffscreenGraphics(getForeground(), getBackground(),
|
|
454 |
getFont());
|
|
455 |
}
|
|
456 |
|
|
457 |
private void applyConstrain(final Graphics g) {
|
|
458 |
final SunGraphics2D sg2d = (SunGraphics2D) g;
|
|
459 |
final Rectangle constr = localToWindow(getSize());
|
|
460 |
// translate and set rectangle constrain.
|
|
461 |
sg2d.constrain(constr.x, constr.y, constr.width, constr.height);
|
|
462 |
// set region constrain.
|
|
463 |
//sg2d.constrain(getVisibleRegion());
|
|
464 |
SG2DConstraint(sg2d, getVisibleRegion());
|
|
465 |
}
|
|
466 |
|
|
467 |
//TODO Move this method to SG2D?
|
|
468 |
private void SG2DConstraint(final SunGraphics2D sg2d, Region r) {
|
|
469 |
sg2d.constrainX = sg2d.transX;
|
|
470 |
sg2d.constrainY = sg2d.transY;
|
|
471 |
|
|
472 |
Region c = sg2d.constrainClip;
|
|
473 |
if ((sg2d.constrainX | sg2d.constrainY) != 0) {
|
|
474 |
r = r.getTranslatedRegion(sg2d.constrainX, sg2d.constrainY);
|
|
475 |
}
|
|
476 |
if (c == null) {
|
|
477 |
c = r;
|
|
478 |
} else {
|
|
479 |
c = c.getIntersection(r);
|
|
480 |
if (c == sg2d.constrainClip) {
|
|
481 |
// Common case to ignore
|
|
482 |
return;
|
|
483 |
}
|
|
484 |
}
|
|
485 |
sg2d.constrainClip = c;
|
|
486 |
//validateCompClip() forced call.
|
|
487 |
sg2d.setDevClip(r.getLoX(), r.getLoY(), r.getWidth(), r.getHeight());
|
|
488 |
}
|
|
489 |
|
|
490 |
public Region getVisibleRegion() {
|
|
491 |
return computeVisibleRect(this, getRegion());
|
|
492 |
}
|
|
493 |
|
|
494 |
static final Region computeVisibleRect(LWComponentPeer c, Region region) {
|
|
495 |
final LWContainerPeer p = c.getContainerPeer();
|
|
496 |
if (p != null) {
|
|
497 |
final Rectangle r = c.getBounds();
|
|
498 |
region = region.getTranslatedRegion(r.x, r.y);
|
|
499 |
region = region.getIntersection(p.getRegion());
|
|
500 |
region = region.getIntersection(p.getContentSize());
|
|
501 |
region = p.cutChildren(region, c);
|
|
502 |
region = computeVisibleRect(p, region);
|
|
503 |
region = region.getTranslatedRegion(-r.x, -r.y);
|
|
504 |
}
|
|
505 |
return region;
|
|
506 |
}
|
|
507 |
|
|
508 |
@Override
|
|
509 |
public ColorModel getColorModel() {
|
|
510 |
// Is it a correct implementation?
|
|
511 |
return getGraphicsConfiguration().getColorModel();
|
|
512 |
}
|
|
513 |
|
|
514 |
@Override
|
|
515 |
public void createBuffers(int numBuffers, BufferCapabilities caps)
|
|
516 |
throws AWTException {
|
|
517 |
throw new AWTException("Back buffers are only supported for " +
|
|
518 |
"Window or Canvas components.");
|
|
519 |
}
|
|
520 |
|
|
521 |
/*
|
|
522 |
* To be overridden in LWWindowPeer and LWCanvasPeer.
|
|
523 |
*/
|
|
524 |
@Override
|
|
525 |
public Image getBackBuffer() {
|
|
526 |
// Return null or throw AWTException?
|
|
527 |
return null;
|
|
528 |
}
|
|
529 |
|
|
530 |
@Override
|
|
531 |
public void flip(int x1, int y1, int x2, int y2,
|
|
532 |
BufferCapabilities.FlipContents flipAction) {
|
|
533 |
// Skip silently or throw AWTException?
|
|
534 |
}
|
|
535 |
|
|
536 |
@Override
|
|
537 |
public void destroyBuffers() {
|
|
538 |
// Do nothing
|
|
539 |
}
|
|
540 |
|
|
541 |
// Helper method
|
|
542 |
public void setBounds(Rectangle r) {
|
|
543 |
setBounds(r.x, r.y, r.width, r.height, SET_BOUNDS);
|
|
544 |
}
|
|
545 |
|
|
546 |
/**
|
|
547 |
* This method could be called on the toolkit thread.
|
|
548 |
*/
|
|
549 |
@Override
|
|
550 |
public void setBounds(int x, int y, int w, int h, int op) {
|
|
551 |
setBounds(x, y, w, h, op, true, false);
|
|
552 |
}
|
|
553 |
|
|
554 |
protected void setBounds(int x, int y, int w, int h, int op, boolean notify,
|
|
555 |
final boolean updateTarget) {
|
|
556 |
Rectangle oldBounds;
|
|
557 |
synchronized (getStateLock()) {
|
|
558 |
oldBounds = new Rectangle(bounds);
|
|
559 |
if ((op & (SET_LOCATION | SET_BOUNDS)) != 0) {
|
|
560 |
bounds.x = x;
|
|
561 |
bounds.y = y;
|
|
562 |
}
|
|
563 |
if ((op & (SET_SIZE | SET_BOUNDS)) != 0) {
|
|
564 |
bounds.width = w;
|
|
565 |
bounds.height = h;
|
|
566 |
}
|
|
567 |
}
|
|
568 |
boolean moved = (oldBounds.x != x) || (oldBounds.y != y);
|
|
569 |
boolean resized = (oldBounds.width != w) || (oldBounds.height != h);
|
|
570 |
if (!moved && !resized) {
|
|
571 |
return;
|
|
572 |
}
|
|
573 |
final D delegate = getDelegate();
|
|
574 |
if (delegate != null) {
|
|
575 |
synchronized (getDelegateLock()) {
|
|
576 |
delegateContainer.setBounds(0, 0, w, h);
|
|
577 |
delegate.setBounds(delegateContainer.getBounds());
|
|
578 |
// TODO: the following means that the delegateContainer NEVER gets validated. That's WRONG!
|
|
579 |
delegate.validate();
|
|
580 |
}
|
|
581 |
}
|
|
582 |
|
|
583 |
final Point locationInWindow = localToWindow(0, 0);
|
|
584 |
platformComponent.setBounds(locationInWindow.x, locationInWindow.y, w,
|
|
585 |
h);
|
|
586 |
if (notify) {
|
|
587 |
repaintOldNewBounds(oldBounds);
|
|
588 |
if (resized) {
|
|
589 |
handleResize(w, h, updateTarget);
|
|
590 |
}
|
|
591 |
if (moved) {
|
|
592 |
handleMove(x, y, updateTarget);
|
|
593 |
}
|
|
594 |
}
|
|
595 |
}
|
|
596 |
|
|
597 |
public final Rectangle getBounds() {
|
|
598 |
synchronized (getStateLock()) {
|
|
599 |
// Return a copy to prevent subsequent modifications
|
|
600 |
return bounds.getBounds();
|
|
601 |
}
|
|
602 |
}
|
|
603 |
|
|
604 |
public final Rectangle getSize() {
|
|
605 |
synchronized (getStateLock()) {
|
|
606 |
// Return a copy to prevent subsequent modifications
|
|
607 |
return new Rectangle(bounds.width, bounds.height);
|
|
608 |
}
|
|
609 |
}
|
|
610 |
|
|
611 |
@Override
|
|
612 |
public Point getLocationOnScreen() {
|
|
613 |
Point windowLocation = getWindowPeer().getLocationOnScreen();
|
|
614 |
Point locationInWindow = localToWindow(0, 0);
|
|
615 |
return new Point(windowLocation.x + locationInWindow.x,
|
|
616 |
windowLocation.y + locationInWindow.y);
|
|
617 |
}
|
|
618 |
|
|
619 |
@Override
|
|
620 |
public void setBackground(final Color c) {
|
|
621 |
final Color oldBg = getBackground();
|
|
622 |
if (oldBg == c || (oldBg != null && oldBg.equals(c))) {
|
|
623 |
return;
|
|
624 |
}
|
|
625 |
synchronized (getStateLock()) {
|
|
626 |
background = c;
|
|
627 |
}
|
|
628 |
final D delegate = getDelegate();
|
|
629 |
if (delegate != null) {
|
|
630 |
synchronized (getDelegateLock()) {
|
|
631 |
// delegate will repaint the target
|
|
632 |
delegate.setBackground(c);
|
|
633 |
}
|
|
634 |
} else {
|
|
635 |
repaintPeer();
|
|
636 |
}
|
|
637 |
}
|
|
638 |
|
|
639 |
protected final Color getBackground() {
|
|
640 |
synchronized (getStateLock()) {
|
|
641 |
return background;
|
|
642 |
}
|
|
643 |
}
|
|
644 |
|
|
645 |
@Override
|
|
646 |
public void setForeground(final Color c) {
|
|
647 |
final Color oldFg = getForeground();
|
|
648 |
if (oldFg == c || (oldFg != null && oldFg.equals(c))) {
|
|
649 |
return;
|
|
650 |
}
|
|
651 |
synchronized (getStateLock()) {
|
|
652 |
foreground = c;
|
|
653 |
}
|
|
654 |
final D delegate = getDelegate();
|
|
655 |
if (delegate != null) {
|
|
656 |
synchronized (getDelegateLock()) {
|
|
657 |
// delegate will repaint the target
|
|
658 |
delegate.setForeground(c);
|
|
659 |
}
|
|
660 |
} else {
|
|
661 |
repaintPeer();
|
|
662 |
}
|
|
663 |
}
|
|
664 |
|
|
665 |
protected final Color getForeground() {
|
|
666 |
synchronized (getStateLock()) {
|
|
667 |
return foreground;
|
|
668 |
}
|
|
669 |
}
|
|
670 |
|
|
671 |
@Override
|
|
672 |
public void setFont(final Font f) {
|
|
673 |
final Font oldF = getFont();
|
|
674 |
if (oldF == f || (oldF != null && oldF.equals(f))) {
|
|
675 |
return;
|
|
676 |
}
|
|
677 |
synchronized (getStateLock()) {
|
|
678 |
font = f;
|
|
679 |
}
|
|
680 |
final D delegate = getDelegate();
|
|
681 |
if (delegate != null) {
|
|
682 |
synchronized (getDelegateLock()) {
|
|
683 |
// delegate will repaint the target
|
|
684 |
delegate.setFont(f);
|
|
685 |
}
|
|
686 |
} else {
|
|
687 |
repaintPeer();
|
|
688 |
}
|
|
689 |
}
|
|
690 |
|
|
691 |
protected final Font getFont() {
|
|
692 |
synchronized (getStateLock()) {
|
|
693 |
return font;
|
|
694 |
}
|
|
695 |
}
|
|
696 |
|
|
697 |
@Override
|
|
698 |
public FontMetrics getFontMetrics(Font f) {
|
|
699 |
// Borrow the metrics from the top-level window
|
|
700 |
// return getWindowPeer().getFontMetrics(f);
|
|
701 |
// Obtain the metrics from the offscreen window where this peer is
|
|
702 |
// mostly drawn to.
|
|
703 |
// TODO: check for "use platform metrics" settings
|
|
704 |
Graphics g = getWindowPeer().getOffscreenGraphics();
|
|
705 |
try {
|
|
706 |
if (g != null) {
|
|
707 |
return g.getFontMetrics(f);
|
|
708 |
} else {
|
|
709 |
synchronized (getDelegateLock()) {
|
|
710 |
return delegateContainer.getFontMetrics(f);
|
|
711 |
}
|
|
712 |
}
|
|
713 |
} finally {
|
|
714 |
if (g != null) {
|
|
715 |
g.dispose();
|
|
716 |
}
|
|
717 |
}
|
|
718 |
}
|
|
719 |
|
|
720 |
@Override
|
|
721 |
public void setEnabled(final boolean e) {
|
|
722 |
boolean status = e;
|
|
723 |
final LWComponentPeer cp = getContainerPeer();
|
|
724 |
if (cp != null) {
|
|
725 |
status &= cp.isEnabled();
|
|
726 |
}
|
|
727 |
synchronized (getStateLock()) {
|
|
728 |
if (enabled == status) {
|
|
729 |
return;
|
|
730 |
}
|
|
731 |
enabled = status;
|
|
732 |
}
|
|
733 |
|
|
734 |
final D delegate = getDelegate();
|
|
735 |
|
|
736 |
if (delegate != null) {
|
|
737 |
synchronized (getDelegateLock()) {
|
|
738 |
delegate.setEnabled(status);
|
|
739 |
}
|
|
740 |
} else {
|
|
741 |
repaintPeer();
|
|
742 |
}
|
|
743 |
}
|
|
744 |
|
|
745 |
// Helper method
|
|
746 |
public final boolean isEnabled() {
|
|
747 |
synchronized (getStateLock()) {
|
|
748 |
return enabled;
|
|
749 |
}
|
|
750 |
}
|
|
751 |
|
|
752 |
@Override
|
|
753 |
public void setVisible(boolean v) {
|
|
754 |
synchronized (getStateLock()) {
|
|
755 |
if (visible == v) {
|
|
756 |
return;
|
|
757 |
}
|
|
758 |
visible = v;
|
|
759 |
}
|
|
760 |
|
|
761 |
final D delegate = getDelegate();
|
|
762 |
|
|
763 |
if (delegate != null) {
|
|
764 |
synchronized (getDelegateLock()) {
|
|
765 |
delegate.setVisible(v);
|
|
766 |
}
|
|
767 |
}
|
|
768 |
if (visible) {
|
|
769 |
repaintPeer();
|
|
770 |
} else {
|
|
771 |
repaintParent(getBounds());
|
|
772 |
}
|
|
773 |
}
|
|
774 |
|
|
775 |
// Helper method
|
|
776 |
public final boolean isVisible() {
|
|
777 |
synchronized (getStateLock()) {
|
|
778 |
return visible;
|
|
779 |
}
|
|
780 |
}
|
|
781 |
|
|
782 |
@Override
|
|
783 |
public void paint(final Graphics g) {
|
|
784 |
getTarget().paint(g);
|
|
785 |
}
|
|
786 |
|
|
787 |
@Override
|
|
788 |
public void print(final Graphics g) {
|
|
789 |
getTarget().print(g);
|
|
790 |
}
|
|
791 |
|
|
792 |
@Override
|
|
793 |
public void reparent(ContainerPeer newContainer) {
|
|
794 |
// TODO: not implemented
|
|
795 |
throw new UnsupportedOperationException("ComponentPeer.reparent()");
|
|
796 |
}
|
|
797 |
|
|
798 |
@Override
|
|
799 |
public boolean isReparentSupported() {
|
|
800 |
// TODO: not implemented
|
|
801 |
return false;
|
|
802 |
}
|
|
803 |
|
|
804 |
@Override
|
|
805 |
public void setZOrder(ComponentPeer above) {
|
|
806 |
LWContainerPeer cp = getContainerPeer();
|
|
807 |
// Don't check containerPeer for null as it can only happen
|
|
808 |
// for windows, but this method is overridden in
|
|
809 |
// LWWindowPeer and doesn't call super()
|
|
810 |
cp.setChildPeerZOrder(this, (LWComponentPeer) above);
|
|
811 |
}
|
|
812 |
|
|
813 |
@Override
|
|
814 |
public void coalescePaintEvent(PaintEvent e) {
|
|
815 |
if (!(e instanceof IgnorePaintEvent)) {
|
|
816 |
Rectangle r = e.getUpdateRect();
|
|
817 |
if ((r != null) && !r.isEmpty()) {
|
|
818 |
targetPaintArea.add(r, e.getID());
|
|
819 |
}
|
|
820 |
}
|
|
821 |
}
|
|
822 |
|
|
823 |
/*
|
|
824 |
* Should be overridden in subclasses which use complex Swing components.
|
|
825 |
*/
|
|
826 |
@Override
|
|
827 |
public void layout() {
|
|
828 |
// TODO: not implemented
|
|
829 |
}
|
|
830 |
|
|
831 |
@Override
|
|
832 |
public boolean isObscured() {
|
|
833 |
// TODO: not implemented
|
|
834 |
return false;
|
|
835 |
}
|
|
836 |
|
|
837 |
@Override
|
|
838 |
public boolean canDetermineObscurity() {
|
|
839 |
// TODO: not implemented
|
|
840 |
return false;
|
|
841 |
}
|
|
842 |
|
|
843 |
/**
|
|
844 |
* Should be overridden in subclasses to forward the request
|
|
845 |
* to the Swing helper component, if required.
|
|
846 |
*/
|
|
847 |
@Override
|
|
848 |
public Dimension getPreferredSize() {
|
|
849 |
// It looks like a default implementation for all toolkits
|
|
850 |
return getMinimumSize();
|
|
851 |
}
|
|
852 |
|
|
853 |
/*
|
|
854 |
* Should be overridden in subclasses to forward the request
|
|
855 |
* to the Swing helper component.
|
|
856 |
*/
|
|
857 |
@Override
|
|
858 |
public Dimension getMinimumSize() {
|
|
859 |
D delegate = getDelegate();
|
|
860 |
|
|
861 |
if (delegate == null) {
|
|
862 |
// Is it a correct default value?
|
|
863 |
return getBounds().getSize();
|
|
864 |
} else {
|
|
865 |
synchronized (getDelegateLock()) {
|
|
866 |
return delegate.getMinimumSize();
|
|
867 |
}
|
|
868 |
}
|
|
869 |
}
|
|
870 |
|
|
871 |
@Override
|
|
872 |
public void updateCursorImmediately() {
|
|
873 |
getLWToolkit().getCursorManager().updateCursor();
|
|
874 |
}
|
|
875 |
|
|
876 |
@Override
|
|
877 |
public boolean isFocusable() {
|
|
878 |
// Overridden in focusable subclasses like buttons
|
|
879 |
return false;
|
|
880 |
}
|
|
881 |
|
|
882 |
@Override
|
|
883 |
public boolean requestFocus(Component lightweightChild, boolean temporary,
|
|
884 |
boolean focusedWindowChangeAllowed, long time,
|
|
885 |
CausedFocusEvent.Cause cause) {
|
|
886 |
if (LWKeyboardFocusManagerPeer.getInstance(getAppContext()).
|
|
887 |
processSynchronousLightweightTransfer(getTarget(), lightweightChild, temporary,
|
|
888 |
focusedWindowChangeAllowed, time)) {
|
|
889 |
return true;
|
|
890 |
}
|
|
891 |
|
|
892 |
int result = LWKeyboardFocusManagerPeer.getInstance(getAppContext()).
|
|
893 |
shouldNativelyFocusHeavyweight(getTarget(), lightweightChild, temporary,
|
|
894 |
focusedWindowChangeAllowed, time, cause);
|
|
895 |
switch (result) {
|
|
896 |
case LWKeyboardFocusManagerPeer.SNFH_FAILURE:
|
|
897 |
return false;
|
|
898 |
case LWKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED:
|
|
899 |
Window parentWindow = SunToolkit.getContainingWindow(getTarget());
|
|
900 |
if (parentWindow == null) {
|
|
901 |
LWKeyboardFocusManagerPeer.removeLastFocusRequest(getTarget());
|
|
902 |
return false;
|
|
903 |
}
|
|
904 |
LWWindowPeer parentPeer = (LWWindowPeer) parentWindow.getPeer();
|
|
905 |
if (parentPeer == null) {
|
|
906 |
LWKeyboardFocusManagerPeer.removeLastFocusRequest(getTarget());
|
|
907 |
return false;
|
|
908 |
}
|
|
909 |
|
|
910 |
boolean res = parentPeer.requestWindowFocus(cause);
|
|
911 |
// If parent window can be made focused and has been made focused (synchronously)
|
|
912 |
// then we can proceed with children, otherwise we retreat
|
|
913 |
if (!res || !parentWindow.isFocused()) {
|
|
914 |
LWKeyboardFocusManagerPeer.removeLastFocusRequest(getTarget());
|
|
915 |
return false;
|
|
916 |
}
|
|
917 |
|
|
918 |
LWComponentPeer focusOwnerPeer =
|
|
919 |
LWKeyboardFocusManagerPeer.getInstance(getAppContext()).
|
|
920 |
getFocusOwner();
|
|
921 |
Component focusOwner = (focusOwnerPeer != null) ? focusOwnerPeer.getTarget() : null;
|
|
922 |
return LWKeyboardFocusManagerPeer.deliverFocus(lightweightChild,
|
|
923 |
getTarget(), temporary,
|
|
924 |
focusedWindowChangeAllowed,
|
|
925 |
time, cause, focusOwner);
|
|
926 |
case LWKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:
|
|
927 |
return true;
|
|
928 |
}
|
|
929 |
|
|
930 |
return false;
|
|
931 |
}
|
|
932 |
|
|
933 |
@Override
|
|
934 |
public Image createImage(ImageProducer producer) {
|
|
935 |
return new ToolkitImage(producer);
|
|
936 |
}
|
|
937 |
|
|
938 |
@Override
|
|
939 |
public Image createImage(int w, int h) {
|
|
940 |
// TODO: accelerated image
|
|
941 |
return getGraphicsConfiguration().createCompatibleImage(w, h);
|
|
942 |
}
|
|
943 |
|
|
944 |
@Override
|
|
945 |
public VolatileImage createVolatileImage(int w, int h) {
|
|
946 |
// TODO: is it a right/complete implementation?
|
|
947 |
return new SunVolatileImage(getTarget(), w, h);
|
|
948 |
}
|
|
949 |
|
|
950 |
@Override
|
|
951 |
public boolean prepareImage(Image img, int w, int h, ImageObserver o) {
|
|
952 |
// TODO: is it a right/complete implementation?
|
|
953 |
return getToolkit().prepareImage(img, w, h, o);
|
|
954 |
}
|
|
955 |
|
|
956 |
@Override
|
|
957 |
public int checkImage(Image img, int w, int h, ImageObserver o) {
|
|
958 |
// TODO: is it a right/complete implementation?
|
|
959 |
return getToolkit().checkImage(img, w, h, o);
|
|
960 |
}
|
|
961 |
|
|
962 |
@Override
|
|
963 |
public boolean handlesWheelScrolling() {
|
|
964 |
// TODO: not implemented
|
|
965 |
return false;
|
|
966 |
}
|
|
967 |
|
|
968 |
@Override
|
|
969 |
public final void applyShape(final Region shape) {
|
|
970 |
synchronized (getStateLock()) {
|
|
971 |
region = shape;
|
|
972 |
}
|
|
973 |
repaintParent(getBounds());
|
|
974 |
}
|
|
975 |
|
|
976 |
protected final Region getRegion() {
|
|
977 |
synchronized (getStateLock()) {
|
|
978 |
return region == null ? Region.getInstance(getSize()) : region;
|
|
979 |
}
|
|
980 |
}
|
|
981 |
|
|
982 |
// DropTargetPeer Method
|
|
983 |
@Override
|
|
984 |
public void addDropTarget(DropTarget dt) {
|
|
985 |
synchronized (dropTargetLock){
|
|
986 |
// 10-14-02 VL: Windows WComponentPeer would add (or remove) the drop target only
|
|
987 |
// if it's the first (or last) one for the component. Otherwise this call is a no-op.
|
|
988 |
if (++fNumDropTargets == 1) {
|
|
989 |
// Having a non-null drop target would be an error but let's check just in case:
|
|
990 |
if (fDropTarget != null)
|
|
991 |
System.err.println("CComponent.addDropTarget(): current drop target is non-null.");
|
|
992 |
|
|
993 |
// Create a new drop target:
|
|
994 |
fDropTarget = CDropTarget.createDropTarget(dt, target, this);
|
|
995 |
}
|
|
996 |
}
|
|
997 |
}
|
|
998 |
|
|
999 |
// DropTargetPeer Method
|
|
1000 |
@Override
|
|
1001 |
public void removeDropTarget(DropTarget dt) {
|
|
1002 |
synchronized (dropTargetLock){
|
|
1003 |
// 10-14-02 VL: Windows WComponentPeer would add (or remove) the drop target only
|
|
1004 |
// if it's the first (or last) one for the component. Otherwise this call is a no-op.
|
|
1005 |
if (--fNumDropTargets == 0) {
|
|
1006 |
// Having a null drop target would be an error but let's check just in case:
|
|
1007 |
if (fDropTarget != null) {
|
|
1008 |
// Dispose of the drop target:
|
|
1009 |
fDropTarget.dispose();
|
|
1010 |
fDropTarget = null;
|
|
1011 |
} else
|
|
1012 |
System.err.println("CComponent.removeDropTarget(): current drop target is null.");
|
|
1013 |
}
|
|
1014 |
}
|
|
1015 |
}
|
|
1016 |
|
|
1017 |
// ---- PEER NOTIFICATIONS ---- //
|
|
1018 |
|
|
1019 |
/**
|
|
1020 |
* Called when this peer's location has been changed either as a result
|
|
1021 |
* of target.setLocation() or as a result of user actions (window is
|
|
1022 |
* dragged with mouse).
|
|
1023 |
*
|
|
1024 |
* To be overridden in LWWindowPeer to update its GraphicsConfig.
|
|
1025 |
*
|
|
1026 |
* This method could be called on the toolkit thread.
|
|
1027 |
*/
|
|
1028 |
protected final void handleMove(final int x, final int y,
|
|
1029 |
final boolean updateTarget) {
|
|
1030 |
if (updateTarget) {
|
|
1031 |
AWTAccessor.getComponentAccessor().setLocation(getTarget(), x, y);
|
|
1032 |
}
|
|
1033 |
postEvent(new ComponentEvent(getTarget(),
|
|
1034 |
ComponentEvent.COMPONENT_MOVED));
|
|
1035 |
}
|
|
1036 |
|
|
1037 |
/**
|
|
1038 |
* Called when this peer's size has been changed either as a result of
|
|
1039 |
* target.setSize() or as a result of user actions (window is resized).
|
|
1040 |
*
|
|
1041 |
* To be overridden in LWWindowPeer to update its SurfaceData and
|
|
1042 |
* GraphicsConfig.
|
|
1043 |
*
|
|
1044 |
* This method could be called on the toolkit thread.
|
|
1045 |
*/
|
|
1046 |
protected final void handleResize(final int w, final int h,
|
|
1047 |
final boolean updateTarget) {
|
|
1048 |
if (updateTarget) {
|
|
1049 |
AWTAccessor.getComponentAccessor().setSize(getTarget(), w, h);
|
|
1050 |
}
|
|
1051 |
postEvent(new ComponentEvent(getTarget(),
|
|
1052 |
ComponentEvent.COMPONENT_RESIZED));
|
|
1053 |
}
|
|
1054 |
|
|
1055 |
protected final void repaintOldNewBounds(final Rectangle oldB) {
|
|
1056 |
repaintParent(oldB);
|
|
1057 |
repaintPeer(getSize());
|
|
1058 |
}
|
|
1059 |
|
|
1060 |
protected final void repaintParent(final Rectangle oldB) {
|
|
1061 |
final LWContainerPeer cp = getContainerPeer();
|
|
1062 |
if (cp != null) {
|
|
1063 |
// Repaint unobscured part of the parent
|
|
1064 |
cp.repaintPeer(cp.getContentSize().intersection(oldB));
|
|
1065 |
}
|
|
1066 |
}
|
|
1067 |
|
|
1068 |
// ---- EVENTS ---- //
|
|
1069 |
|
|
1070 |
/**
|
|
1071 |
* Post an event to the proper Java EDT.
|
|
1072 |
*/
|
|
1073 |
public void postEvent(AWTEvent event) {
|
|
1074 |
SunToolkit.postEvent(getAppContext(), event);
|
|
1075 |
}
|
|
1076 |
|
|
1077 |
protected void postPaintEvent(int x, int y, int w, int h) {
|
|
1078 |
// TODO: call getIgnoreRepaint() directly with the right ACC
|
|
1079 |
if (AWTAccessor.getComponentAccessor().getIgnoreRepaint(target)) {
|
|
1080 |
return;
|
|
1081 |
}
|
|
1082 |
PaintEvent event = PaintEventDispatcher.getPaintEventDispatcher().
|
|
1083 |
createPaintEvent(getTarget(), x, y, w, h);
|
|
1084 |
if (event != null) {
|
|
1085 |
postEvent(event);
|
|
1086 |
}
|
|
1087 |
}
|
|
1088 |
|
|
1089 |
/*
|
|
1090 |
* Gives a chance for the peer to handle the event after it's been
|
|
1091 |
* processed by the target.
|
|
1092 |
*/
|
|
1093 |
@Override
|
|
1094 |
public void handleEvent(AWTEvent e) {
|
|
1095 |
if ((e instanceof InputEvent) && ((InputEvent) e).isConsumed()) {
|
|
1096 |
return;
|
|
1097 |
}
|
|
1098 |
switch (e.getID()) {
|
|
1099 |
case FocusEvent.FOCUS_GAINED:
|
|
1100 |
case FocusEvent.FOCUS_LOST:
|
|
1101 |
handleJavaFocusEvent((FocusEvent) e);
|
|
1102 |
break;
|
|
1103 |
case PaintEvent.PAINT:
|
|
1104 |
// Got a native paint event
|
|
1105 |
// paintPending = false;
|
|
1106 |
// fall through to the next statement
|
|
1107 |
case PaintEvent.UPDATE:
|
|
1108 |
handleJavaPaintEvent();
|
|
1109 |
break;
|
|
1110 |
case MouseEvent.MOUSE_PRESSED:
|
|
1111 |
handleJavaMouseEvent((MouseEvent)e);
|
|
1112 |
}
|
|
1113 |
|
|
1114 |
sendEventToDelegate(e);
|
|
1115 |
}
|
|
1116 |
|
|
1117 |
private void sendEventToDelegate(final AWTEvent e) {
|
|
1118 |
synchronized (getDelegateLock()) {
|
|
1119 |
if (getDelegate() == null || !isShowing() || !isEnabled()) {
|
|
1120 |
return;
|
|
1121 |
}
|
|
1122 |
AWTEvent delegateEvent = createDelegateEvent(e);
|
|
1123 |
if (delegateEvent != null) {
|
|
1124 |
AWTAccessor.getComponentAccessor()
|
|
1125 |
.processEvent((Component) delegateEvent.getSource(),
|
|
1126 |
delegateEvent);
|
|
1127 |
if (delegateEvent instanceof KeyEvent) {
|
|
1128 |
KeyEvent ke = (KeyEvent) delegateEvent;
|
|
1129 |
SwingUtilities.processKeyBindings(ke);
|
|
1130 |
}
|
|
1131 |
}
|
|
1132 |
}
|
|
1133 |
}
|
|
1134 |
|
|
1135 |
protected AWTEvent createDelegateEvent(AWTEvent e) {
|
|
1136 |
AWTEvent delegateEvent = null;
|
|
1137 |
if (e instanceof MouseWheelEvent) {
|
|
1138 |
MouseWheelEvent me = (MouseWheelEvent) e;
|
|
1139 |
delegateEvent = new MouseWheelEvent(
|
|
1140 |
delegate, me.getID(), me.getWhen(),
|
|
1141 |
me.getModifiers(),
|
|
1142 |
me.getX(), me.getY(),
|
|
1143 |
me.getClickCount(),
|
|
1144 |
me.isPopupTrigger(),
|
|
1145 |
me.getScrollType(),
|
|
1146 |
me.getScrollAmount(),
|
|
1147 |
me.getWheelRotation());
|
|
1148 |
} else if (e instanceof MouseEvent) {
|
|
1149 |
MouseEvent me = (MouseEvent) e;
|
|
1150 |
|
|
1151 |
Component eventTarget = SwingUtilities.getDeepestComponentAt(delegate, me.getX(), me.getY());
|
|
1152 |
|
|
1153 |
if (me.getID() == MouseEvent.MOUSE_DRAGGED) {
|
|
1154 |
if (delegateDropTarget == null) {
|
|
1155 |
delegateDropTarget = eventTarget;
|
|
1156 |
} else {
|
|
1157 |
eventTarget = delegateDropTarget;
|
|
1158 |
}
|
|
1159 |
}
|
|
1160 |
if (me.getID() == MouseEvent.MOUSE_RELEASED && delegateDropTarget != null) {
|
|
1161 |
eventTarget = delegateDropTarget;
|
|
1162 |
delegateDropTarget = null;
|
|
1163 |
}
|
|
1164 |
if (eventTarget == null) {
|
|
1165 |
eventTarget = delegate;
|
|
1166 |
}
|
|
1167 |
delegateEvent = SwingUtilities.convertMouseEvent(getTarget(), me, eventTarget);
|
|
1168 |
} else if (e instanceof KeyEvent) {
|
|
1169 |
KeyEvent ke = (KeyEvent) e;
|
|
1170 |
delegateEvent = new KeyEvent(getDelegateFocusOwner(), ke.getID(), ke.getWhen(),
|
|
1171 |
ke.getModifiers(), ke.getKeyCode(), ke.getKeyChar(), ke.getKeyLocation());
|
|
1172 |
} else if (e instanceof FocusEvent) {
|
|
1173 |
FocusEvent fe = (FocusEvent) e;
|
|
1174 |
delegateEvent = new FocusEvent(getDelegateFocusOwner(), fe.getID(), fe.isTemporary());
|
|
1175 |
}
|
|
1176 |
return delegateEvent;
|
|
1177 |
}
|
|
1178 |
|
|
1179 |
protected void handleJavaMouseEvent(MouseEvent e) {
|
|
1180 |
Component target = getTarget();
|
|
1181 |
assert (e.getSource() == target);
|
|
1182 |
|
|
1183 |
if (!target.isFocusOwner() && LWKeyboardFocusManagerPeer.shouldFocusOnClick(target)) {
|
|
1184 |
LWKeyboardFocusManagerPeer.requestFocusFor(target, CausedFocusEvent.Cause.MOUSE_EVENT);
|
|
1185 |
} else {
|
|
1186 |
// Anyway request focus to the toplevel.
|
|
1187 |
getWindowPeerOrSelf().requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT);
|
|
1188 |
}
|
|
1189 |
}
|
|
1190 |
|
|
1191 |
/**
|
|
1192 |
* Handler for FocusEvents.
|
|
1193 |
*/
|
|
1194 |
protected void handleJavaFocusEvent(FocusEvent e) {
|
|
1195 |
// Note that the peer receives all the FocusEvents from
|
|
1196 |
// its lightweight children as well
|
|
1197 |
LWKeyboardFocusManagerPeer.getInstance(getAppContext()).
|
|
1198 |
setFocusOwner(e.getID() == FocusEvent.FOCUS_GAINED ? this : null);
|
|
1199 |
}
|
|
1200 |
|
|
1201 |
/**
|
|
1202 |
* All peers should clear background before paint.
|
|
1203 |
*
|
|
1204 |
* @return false on components that DO NOT require a clearRect() before
|
|
1205 |
* painting.
|
|
1206 |
*/
|
|
1207 |
protected final boolean shouldClearRectBeforePaint() {
|
|
1208 |
// TODO: sun.awt.noerasebackground
|
|
1209 |
return true;
|
|
1210 |
}
|
|
1211 |
|
|
1212 |
/**
|
|
1213 |
* Handler for PAINT and UPDATE PaintEvents.
|
|
1214 |
*/
|
|
1215 |
private void handleJavaPaintEvent() {
|
|
1216 |
// Skip all painting while layouting and all UPDATEs
|
|
1217 |
// while waiting for native paint
|
|
1218 |
// if (!isLayouting && !paintPending) {
|
|
1219 |
if (!isLayouting()) {
|
|
1220 |
targetPaintArea.paint(getTarget(), shouldClearRectBeforePaint());
|
|
1221 |
}
|
|
1222 |
}
|
|
1223 |
|
|
1224 |
// ---- UTILITY METHODS ---- //
|
|
1225 |
|
|
1226 |
/**
|
|
1227 |
* Finds a top-most visible component for the given point. The location is
|
|
1228 |
* specified relative to the peer's parent.
|
|
1229 |
*/
|
|
1230 |
public LWComponentPeer findPeerAt(final int x, final int y) {
|
|
1231 |
final Rectangle r = getBounds();
|
|
1232 |
final Region sh = getRegion();
|
|
1233 |
final boolean found = isVisible() && sh.contains(x - r.x, y - r.y);
|
|
1234 |
return found ? this : null;
|
|
1235 |
}
|
|
1236 |
|
|
1237 |
/*
|
|
1238 |
* Translated the given point in Window coordinates to the point in
|
|
1239 |
* coordinates local to this component. The given window peer must be
|
|
1240 |
* the window where this component is in.
|
|
1241 |
*/
|
|
1242 |
public Point windowToLocal(int x, int y, LWWindowPeer wp) {
|
|
1243 |
return windowToLocal(new Point(x, y), wp);
|
|
1244 |
}
|
|
1245 |
|
|
1246 |
public Point windowToLocal(Point p, LWWindowPeer wp) {
|
|
1247 |
LWComponentPeer cp = this;
|
|
1248 |
while (cp != wp) {
|
|
1249 |
Rectangle cpb = cp.getBounds();
|
|
1250 |
p.x -= cpb.x;
|
|
1251 |
p.y -= cpb.y;
|
|
1252 |
cp = cp.getContainerPeer();
|
|
1253 |
}
|
|
1254 |
// Return a copy to prevent subsequent modifications
|
|
1255 |
return new Point(p);
|
|
1256 |
}
|
|
1257 |
|
|
1258 |
public Rectangle windowToLocal(Rectangle r, LWWindowPeer wp) {
|
|
1259 |
Point p = windowToLocal(r.getLocation(), wp);
|
|
1260 |
return new Rectangle(p, r.getSize());
|
|
1261 |
}
|
|
1262 |
|
|
1263 |
public Point localToWindow(int x, int y) {
|
|
1264 |
return localToWindow(new Point(x, y));
|
|
1265 |
}
|
|
1266 |
|
|
1267 |
public Point localToWindow(Point p) {
|
|
1268 |
LWComponentPeer cp = getContainerPeer();
|
|
1269 |
Rectangle r = getBounds();
|
|
1270 |
while (cp != null) {
|
|
1271 |
p.x += r.x;
|
|
1272 |
p.y += r.y;
|
|
1273 |
r = cp.getBounds();
|
|
1274 |
cp = cp.getContainerPeer();
|
|
1275 |
}
|
|
1276 |
// Return a copy to prevent subsequent modifications
|
|
1277 |
return new Point(p);
|
|
1278 |
}
|
|
1279 |
|
|
1280 |
public Rectangle localToWindow(Rectangle r) {
|
|
1281 |
Point p = localToWindow(r.getLocation());
|
|
1282 |
return new Rectangle(p, r.getSize());
|
|
1283 |
}
|
|
1284 |
|
|
1285 |
public final void repaintPeer() {
|
|
1286 |
repaintPeer(getSize());
|
|
1287 |
}
|
|
1288 |
|
|
1289 |
public void repaintPeer(final Rectangle r) {
|
|
1290 |
final Rectangle toPaint = getSize().intersection(r);
|
|
1291 |
if (!isShowing() || toPaint.isEmpty()) {
|
|
1292 |
return;
|
|
1293 |
}
|
|
1294 |
|
|
1295 |
postPaintEvent(toPaint.x, toPaint.y, toPaint.width, toPaint.height);
|
|
1296 |
}
|
|
1297 |
|
|
1298 |
/**
|
|
1299 |
* Determines whether this peer is showing on screen. This means that the
|
|
1300 |
* peer must be visible, and it must be in a container that is visible and
|
|
1301 |
* showing.
|
|
1302 |
*
|
|
1303 |
* @see #isVisible()
|
|
1304 |
*/
|
|
1305 |
protected boolean isShowing() {
|
|
1306 |
synchronized (getPeerTreeLock()) {
|
|
1307 |
if (isVisible()) {
|
|
1308 |
final LWContainerPeer container = getContainerPeer();
|
|
1309 |
return (container == null) || container.isShowing();
|
|
1310 |
}
|
|
1311 |
}
|
|
1312 |
return false;
|
|
1313 |
}
|
|
1314 |
|
|
1315 |
/**
|
|
1316 |
* Paints the peer. Overridden in subclasses to delegate the actual painting
|
|
1317 |
* to Swing components.
|
|
1318 |
*/
|
|
1319 |
protected final void paintPeer(final Graphics g) {
|
|
1320 |
final D delegate = getDelegate();
|
|
1321 |
if (delegate != null) {
|
|
1322 |
if (!SwingUtilities.isEventDispatchThread()) {
|
|
1323 |
throw new InternalError("Painting must be done on EDT");
|
|
1324 |
}
|
|
1325 |
synchronized (getDelegateLock()) {
|
|
1326 |
// JComponent.print() is guaranteed to not affect the double buffer
|
|
1327 |
getDelegate().print(g);
|
|
1328 |
}
|
|
1329 |
}
|
|
1330 |
}
|
|
1331 |
|
|
1332 |
// Just a helper method, thus final
|
|
1333 |
protected final void flushOffscreenGraphics() {
|
|
1334 |
flushOffscreenGraphics(getSize());
|
|
1335 |
}
|
|
1336 |
|
|
1337 |
protected static final void flushOnscreenGraphics(){
|
|
1338 |
final OGLRenderQueue rq = OGLRenderQueue.getInstance();
|
|
1339 |
rq.lock();
|
|
1340 |
try {
|
|
1341 |
rq.flushNow();
|
|
1342 |
} finally {
|
|
1343 |
rq.unlock();
|
|
1344 |
}
|
|
1345 |
}
|
|
1346 |
|
|
1347 |
/*
|
|
1348 |
* Flushes the given rectangle from the back buffer to the screen.
|
|
1349 |
*/
|
|
1350 |
protected void flushOffscreenGraphics(Rectangle r) {
|
|
1351 |
flushOffscreenGraphics(r.x, r.y, r.width, r.height);
|
|
1352 |
}
|
|
1353 |
|
|
1354 |
private void flushOffscreenGraphics(int x, int y, int width, int height) {
|
|
1355 |
Image bb = getWindowPeerOrSelf().getBackBuffer();
|
|
1356 |
if (bb != null) {
|
|
1357 |
// g is a screen Graphics from the delegate
|
|
1358 |
final Graphics g = getOnscreenGraphics();
|
|
1359 |
|
|
1360 |
if (g != null && g instanceof Graphics2D) {
|
|
1361 |
try {
|
|
1362 |
Graphics2D g2d = (Graphics2D)g;
|
|
1363 |
Point p = localToWindow(new Point(0, 0));
|
|
1364 |
Composite composite = g2d.getComposite();
|
|
1365 |
g2d.setComposite(AlphaComposite.Src);
|
|
1366 |
g.drawImage(bb, x, y, x + width, y + height, p.x + x,
|
|
1367 |
p.y + y, p.x + x + width, p.y + y + height,
|
|
1368 |
null);
|
|
1369 |
g2d.setComposite(composite);
|
|
1370 |
} finally {
|
|
1371 |
g.dispose();
|
|
1372 |
}
|
|
1373 |
}
|
|
1374 |
}
|
|
1375 |
}
|
|
1376 |
|
|
1377 |
/**
|
|
1378 |
* Used by ContainerPeer to skip all the paint events during layout.
|
|
1379 |
*
|
|
1380 |
* @param isLayouting layouting state.
|
|
1381 |
*/
|
|
1382 |
protected final void setLayouting(final boolean isLayouting) {
|
|
1383 |
this.isLayouting = isLayouting;
|
|
1384 |
}
|
|
1385 |
|
|
1386 |
/**
|
|
1387 |
* Returns layouting state. Used by ComponentPeer to skip all the paint
|
|
1388 |
* events during layout.
|
|
1389 |
*
|
|
1390 |
* @return true during layout, false otherwise.
|
|
1391 |
*/
|
|
1392 |
private final boolean isLayouting() {
|
|
1393 |
return isLayouting;
|
|
1394 |
}
|
|
1395 |
}
|