author | serb |
Thu, 03 May 2012 18:29:00 +0400 | |
changeset 12639 | c1634bcec0a8 |
parent 12416 | 7f39181f3c6e |
child 12662 | 184d8d3b7fff |
permissions | -rw-r--r-- |
12047 | 1 |
/* |
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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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repaintPeer(SwingUtilities.convertRectangle( |
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c, new Rectangle(x, y, w, h), getDelegate())); |
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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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12639
c1634bcec0a8
7160623: [macosx] Editable TextArea/TextField are blocking GUI applications from exit
serb
parents:
12416
diff
changeset
|
375 |
public final void dispose() { |
12047 | 376 |
if (disposed.compareAndSet(false, true)) { |
377 |
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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390 |
public final boolean isDisposed() { |
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return disposed.get(); |
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} |
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393 |
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394 |
/* |
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395 |
* GraphicsConfiguration is borrowed from the parent peer. The |
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* return value must not be null. |
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397 |
* |
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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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407 |
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408 |
/* |
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* Overridden in LWWindowPeer to replace its surface |
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* data and back buffer. |
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411 |
*/ |
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412 |
@Override |
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413 |
public boolean updateGraphicsData(GraphicsConfiguration gc) { |
|
414 |
// TODO: not implemented |
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415 |
// throw new RuntimeException("Has not been implemented yet."); |
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416 |
return false; |
|
417 |
} |
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418 |
||
419 |
@Override |
|
420 |
public final Graphics getGraphics() { |
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421 |
Graphics g = getWindowPeerOrSelf().isOpaque() ? getOnscreenGraphics() |
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422 |
: getOffscreenGraphics(); |
|
423 |
if (g != null) { |
|
424 |
synchronized (getPeerTreeLock()){ |
|
425 |
applyConstrain(g); |
|
426 |
} |
|
427 |
} |
|
428 |
return g; |
|
429 |
} |
|
430 |
||
431 |
/* |
|
432 |
* Peer Graphics is borrowed from the parent peer, while |
|
433 |
* foreground and background colors and font are specific to |
|
434 |
* this peer. |
|
435 |
*/ |
|
436 |
public final Graphics getOnscreenGraphics() { |
|
437 |
final LWWindowPeer wp = getWindowPeerOrSelf(); |
|
438 |
return wp.getOnscreenGraphics(getForeground(), getBackground(), |
|
439 |
getFont()); |
|
440 |
} |
|
441 |
||
442 |
public final Graphics getOffscreenGraphics() { |
|
443 |
final LWWindowPeer wp = getWindowPeerOrSelf(); |
|
444 |
||
445 |
return wp.getOffscreenGraphics(getForeground(), getBackground(), |
|
446 |
getFont()); |
|
447 |
} |
|
448 |
||
449 |
private void applyConstrain(final Graphics g) { |
|
450 |
final SunGraphics2D sg2d = (SunGraphics2D) g; |
|
451 |
final Rectangle constr = localToWindow(getSize()); |
|
452 |
// translate and set rectangle constrain. |
|
453 |
sg2d.constrain(constr.x, constr.y, constr.width, constr.height); |
|
454 |
// set region constrain. |
|
455 |
//sg2d.constrain(getVisibleRegion()); |
|
456 |
SG2DConstraint(sg2d, getVisibleRegion()); |
|
457 |
} |
|
458 |
||
459 |
//TODO Move this method to SG2D? |
|
460 |
private void SG2DConstraint(final SunGraphics2D sg2d, Region r) { |
|
461 |
sg2d.constrainX = sg2d.transX; |
|
462 |
sg2d.constrainY = sg2d.transY; |
|
463 |
||
464 |
Region c = sg2d.constrainClip; |
|
465 |
if ((sg2d.constrainX | sg2d.constrainY) != 0) { |
|
466 |
r = r.getTranslatedRegion(sg2d.constrainX, sg2d.constrainY); |
|
467 |
} |
|
468 |
if (c == null) { |
|
469 |
c = r; |
|
470 |
} else { |
|
471 |
c = c.getIntersection(r); |
|
472 |
if (c == sg2d.constrainClip) { |
|
473 |
// Common case to ignore |
|
474 |
return; |
|
475 |
} |
|
476 |
} |
|
477 |
sg2d.constrainClip = c; |
|
478 |
//validateCompClip() forced call. |
|
479 |
sg2d.setDevClip(r.getLoX(), r.getLoY(), r.getWidth(), r.getHeight()); |
|
480 |
} |
|
481 |
||
482 |
public Region getVisibleRegion() { |
|
483 |
return computeVisibleRect(this, getRegion()); |
|
484 |
} |
|
485 |
||
486 |
static final Region computeVisibleRect(LWComponentPeer c, Region region) { |
|
487 |
final LWContainerPeer p = c.getContainerPeer(); |
|
488 |
if (p != null) { |
|
489 |
final Rectangle r = c.getBounds(); |
|
490 |
region = region.getTranslatedRegion(r.x, r.y); |
|
491 |
region = region.getIntersection(p.getRegion()); |
|
492 |
region = region.getIntersection(p.getContentSize()); |
|
493 |
region = p.cutChildren(region, c); |
|
494 |
region = computeVisibleRect(p, region); |
|
495 |
region = region.getTranslatedRegion(-r.x, -r.y); |
|
496 |
} |
|
497 |
return region; |
|
498 |
} |
|
499 |
||
500 |
@Override |
|
501 |
public ColorModel getColorModel() { |
|
502 |
// Is it a correct implementation? |
|
503 |
return getGraphicsConfiguration().getColorModel(); |
|
504 |
} |
|
505 |
||
506 |
@Override |
|
507 |
public void createBuffers(int numBuffers, BufferCapabilities caps) |
|
508 |
throws AWTException { |
|
509 |
throw new AWTException("Back buffers are only supported for " + |
|
510 |
"Window or Canvas components."); |
|
511 |
} |
|
512 |
||
513 |
/* |
|
514 |
* To be overridden in LWWindowPeer and LWCanvasPeer. |
|
515 |
*/ |
|
516 |
@Override |
|
517 |
public Image getBackBuffer() { |
|
518 |
// Return null or throw AWTException? |
|
519 |
return null; |
|
520 |
} |
|
521 |
||
522 |
@Override |
|
523 |
public void flip(int x1, int y1, int x2, int y2, |
|
524 |
BufferCapabilities.FlipContents flipAction) { |
|
525 |
// Skip silently or throw AWTException? |
|
526 |
} |
|
527 |
||
528 |
@Override |
|
529 |
public void destroyBuffers() { |
|
530 |
// Do nothing |
|
531 |
} |
|
532 |
||
533 |
// Helper method |
|
534 |
public void setBounds(Rectangle r) { |
|
535 |
setBounds(r.x, r.y, r.width, r.height, SET_BOUNDS); |
|
536 |
} |
|
537 |
||
538 |
/** |
|
539 |
* This method could be called on the toolkit thread. |
|
540 |
*/ |
|
541 |
@Override |
|
542 |
public void setBounds(int x, int y, int w, int h, int op) { |
|
543 |
setBounds(x, y, w, h, op, true, false); |
|
544 |
} |
|
545 |
||
546 |
protected void setBounds(int x, int y, int w, int h, int op, boolean notify, |
|
547 |
final boolean updateTarget) { |
|
548 |
Rectangle oldBounds; |
|
549 |
synchronized (getStateLock()) { |
|
550 |
oldBounds = new Rectangle(bounds); |
|
551 |
if ((op & (SET_LOCATION | SET_BOUNDS)) != 0) { |
|
552 |
bounds.x = x; |
|
553 |
bounds.y = y; |
|
554 |
} |
|
555 |
if ((op & (SET_SIZE | SET_BOUNDS)) != 0) { |
|
556 |
bounds.width = w; |
|
557 |
bounds.height = h; |
|
558 |
} |
|
559 |
} |
|
560 |
boolean moved = (oldBounds.x != x) || (oldBounds.y != y); |
|
561 |
boolean resized = (oldBounds.width != w) || (oldBounds.height != h); |
|
562 |
if (!moved && !resized) { |
|
563 |
return; |
|
564 |
} |
|
565 |
final D delegate = getDelegate(); |
|
566 |
if (delegate != null) { |
|
567 |
synchronized (getDelegateLock()) { |
|
568 |
delegateContainer.setBounds(0, 0, w, h); |
|
569 |
delegate.setBounds(delegateContainer.getBounds()); |
|
570 |
// TODO: the following means that the delegateContainer NEVER gets validated. That's WRONG! |
|
571 |
delegate.validate(); |
|
572 |
} |
|
573 |
} |
|
574 |
||
575 |
final Point locationInWindow = localToWindow(0, 0); |
|
576 |
platformComponent.setBounds(locationInWindow.x, locationInWindow.y, w, |
|
577 |
h); |
|
578 |
if (notify) { |
|
579 |
repaintOldNewBounds(oldBounds); |
|
580 |
if (resized) { |
|
581 |
handleResize(w, h, updateTarget); |
|
582 |
} |
|
583 |
if (moved) { |
|
584 |
handleMove(x, y, updateTarget); |
|
585 |
} |
|
586 |
} |
|
587 |
} |
|
588 |
||
589 |
public final Rectangle getBounds() { |
|
590 |
synchronized (getStateLock()) { |
|
591 |
// Return a copy to prevent subsequent modifications |
|
592 |
return bounds.getBounds(); |
|
593 |
} |
|
594 |
} |
|
595 |
||
596 |
public final Rectangle getSize() { |
|
597 |
synchronized (getStateLock()) { |
|
598 |
// Return a copy to prevent subsequent modifications |
|
599 |
return new Rectangle(bounds.width, bounds.height); |
|
600 |
} |
|
601 |
} |
|
602 |
||
603 |
@Override |
|
604 |
public Point getLocationOnScreen() { |
|
605 |
Point windowLocation = getWindowPeer().getLocationOnScreen(); |
|
606 |
Point locationInWindow = localToWindow(0, 0); |
|
607 |
return new Point(windowLocation.x + locationInWindow.x, |
|
608 |
windowLocation.y + locationInWindow.y); |
|
609 |
} |
|
610 |
||
12396
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
611 |
/** |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
612 |
* Returns the cursor of the peer, which is cursor of the target by default, |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
613 |
* but peer can override this behavior. |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
614 |
* |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
615 |
* @param p Point relative to the peer. |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
616 |
* @return Cursor of the peer or null if default cursor should be used. |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
617 |
*/ |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
618 |
protected Cursor getCursor(final Point p) { |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
619 |
return getTarget().getCursor(); |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
620 |
} |
79c64c6eb61e
7150105: [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.
serb
parents:
12047
diff
changeset
|
621 |
|
12047 | 622 |
@Override |
623 |
public void setBackground(final Color c) { |
|
624 |
final Color oldBg = getBackground(); |
|
625 |
if (oldBg == c || (oldBg != null && oldBg.equals(c))) { |
|
626 |
return; |
|
627 |
} |
|
628 |
synchronized (getStateLock()) { |
|
629 |
background = c; |
|
630 |
} |
|
631 |
final D delegate = getDelegate(); |
|
632 |
if (delegate != null) { |
|
633 |
synchronized (getDelegateLock()) { |
|
634 |
// delegate will repaint the target |
|
635 |
delegate.setBackground(c); |
|
636 |
} |
|
637 |
} else { |
|
638 |
repaintPeer(); |
|
639 |
} |
|
640 |
} |
|
641 |
||
642 |
protected final Color getBackground() { |
|
643 |
synchronized (getStateLock()) { |
|
644 |
return background; |
|
645 |
} |
|
646 |
} |
|
647 |
||
648 |
@Override |
|
649 |
public void setForeground(final Color c) { |
|
650 |
final Color oldFg = getForeground(); |
|
651 |
if (oldFg == c || (oldFg != null && oldFg.equals(c))) { |
|
652 |
return; |
|
653 |
} |
|
654 |
synchronized (getStateLock()) { |
|
655 |
foreground = c; |
|
656 |
} |
|
657 |
final D delegate = getDelegate(); |
|
658 |
if (delegate != null) { |
|
659 |
synchronized (getDelegateLock()) { |
|
660 |
// delegate will repaint the target |
|
661 |
delegate.setForeground(c); |
|
662 |
} |
|
663 |
} else { |
|
664 |
repaintPeer(); |
|
665 |
} |
|
666 |
} |
|
667 |
||
668 |
protected final Color getForeground() { |
|
669 |
synchronized (getStateLock()) { |
|
670 |
return foreground; |
|
671 |
} |
|
672 |
} |
|
673 |
||
674 |
@Override |
|
675 |
public void setFont(final Font f) { |
|
676 |
final Font oldF = getFont(); |
|
677 |
if (oldF == f || (oldF != null && oldF.equals(f))) { |
|
678 |
return; |
|
679 |
} |
|
680 |
synchronized (getStateLock()) { |
|
681 |
font = f; |
|
682 |
} |
|
683 |
final D delegate = getDelegate(); |
|
684 |
if (delegate != null) { |
|
685 |
synchronized (getDelegateLock()) { |
|
686 |
// delegate will repaint the target |
|
687 |
delegate.setFont(f); |
|
688 |
} |
|
689 |
} else { |
|
690 |
repaintPeer(); |
|
691 |
} |
|
692 |
} |
|
693 |
||
694 |
protected final Font getFont() { |
|
695 |
synchronized (getStateLock()) { |
|
696 |
return font; |
|
697 |
} |
|
698 |
} |
|
699 |
||
700 |
@Override |
|
701 |
public FontMetrics getFontMetrics(Font f) { |
|
702 |
// Borrow the metrics from the top-level window |
|
703 |
// return getWindowPeer().getFontMetrics(f); |
|
704 |
// Obtain the metrics from the offscreen window where this peer is |
|
705 |
// mostly drawn to. |
|
706 |
// TODO: check for "use platform metrics" settings |
|
707 |
Graphics g = getWindowPeer().getOffscreenGraphics(); |
|
708 |
try { |
|
709 |
if (g != null) { |
|
710 |
return g.getFontMetrics(f); |
|
711 |
} else { |
|
712 |
synchronized (getDelegateLock()) { |
|
713 |
return delegateContainer.getFontMetrics(f); |
|
714 |
} |
|
715 |
} |
|
716 |
} finally { |
|
717 |
if (g != null) { |
|
718 |
g.dispose(); |
|
719 |
} |
|
720 |
} |
|
721 |
} |
|
722 |
||
723 |
@Override |
|
724 |
public void setEnabled(final boolean e) { |
|
725 |
boolean status = e; |
|
726 |
final LWComponentPeer cp = getContainerPeer(); |
|
727 |
if (cp != null) { |
|
728 |
status &= cp.isEnabled(); |
|
729 |
} |
|
730 |
synchronized (getStateLock()) { |
|
731 |
if (enabled == status) { |
|
732 |
return; |
|
733 |
} |
|
734 |
enabled = status; |
|
735 |
} |
|
736 |
||
737 |
final D delegate = getDelegate(); |
|
738 |
||
739 |
if (delegate != null) { |
|
740 |
synchronized (getDelegateLock()) { |
|
741 |
delegate.setEnabled(status); |
|
742 |
} |
|
743 |
} else { |
|
744 |
repaintPeer(); |
|
745 |
} |
|
746 |
} |
|
747 |
||
748 |
// Helper method |
|
749 |
public final boolean isEnabled() { |
|
750 |
synchronized (getStateLock()) { |
|
751 |
return enabled; |
|
752 |
} |
|
753 |
} |
|
754 |
||
755 |
@Override |
|
756 |
public void setVisible(boolean v) { |
|
757 |
synchronized (getStateLock()) { |
|
758 |
if (visible == v) { |
|
759 |
return; |
|
760 |
} |
|
761 |
visible = v; |
|
762 |
} |
|
763 |
||
764 |
final D delegate = getDelegate(); |
|
765 |
||
766 |
if (delegate != null) { |
|
767 |
synchronized (getDelegateLock()) { |
|
768 |
delegate.setVisible(v); |
|
769 |
} |
|
770 |
} |
|
771 |
if (visible) { |
|
772 |
repaintPeer(); |
|
773 |
} else { |
|
774 |
repaintParent(getBounds()); |
|
775 |
} |
|
776 |
} |
|
777 |
||
778 |
// Helper method |
|
779 |
public final boolean isVisible() { |
|
780 |
synchronized (getStateLock()) { |
|
781 |
return visible; |
|
782 |
} |
|
783 |
} |
|
784 |
||
785 |
@Override |
|
786 |
public void paint(final Graphics g) { |
|
787 |
getTarget().paint(g); |
|
788 |
} |
|
789 |
||
790 |
@Override |
|
791 |
public void print(final Graphics g) { |
|
792 |
getTarget().print(g); |
|
793 |
} |
|
794 |
||
795 |
@Override |
|
796 |
public void reparent(ContainerPeer newContainer) { |
|
797 |
// TODO: not implemented |
|
798 |
throw new UnsupportedOperationException("ComponentPeer.reparent()"); |
|
799 |
} |
|
800 |
||
801 |
@Override |
|
802 |
public boolean isReparentSupported() { |
|
803 |
// TODO: not implemented |
|
804 |
return false; |
|
805 |
} |
|
806 |
||
807 |
@Override |
|
808 |
public void setZOrder(ComponentPeer above) { |
|
809 |
LWContainerPeer cp = getContainerPeer(); |
|
810 |
// Don't check containerPeer for null as it can only happen |
|
811 |
// for windows, but this method is overridden in |
|
812 |
// LWWindowPeer and doesn't call super() |
|
813 |
cp.setChildPeerZOrder(this, (LWComponentPeer) above); |
|
814 |
} |
|
815 |
||
816 |
@Override |
|
817 |
public void coalescePaintEvent(PaintEvent e) { |
|
818 |
if (!(e instanceof IgnorePaintEvent)) { |
|
819 |
Rectangle r = e.getUpdateRect(); |
|
820 |
if ((r != null) && !r.isEmpty()) { |
|
821 |
targetPaintArea.add(r, e.getID()); |
|
822 |
} |
|
823 |
} |
|
824 |
} |
|
825 |
||
826 |
/* |
|
827 |
* Should be overridden in subclasses which use complex Swing components. |
|
828 |
*/ |
|
829 |
@Override |
|
830 |
public void layout() { |
|
831 |
// TODO: not implemented |
|
832 |
} |
|
833 |
||
834 |
@Override |
|
835 |
public boolean isObscured() { |
|
836 |
// TODO: not implemented |
|
837 |
return false; |
|
838 |
} |
|
839 |
||
840 |
@Override |
|
841 |
public boolean canDetermineObscurity() { |
|
842 |
// TODO: not implemented |
|
843 |
return false; |
|
844 |
} |
|
845 |
||
846 |
/** |
|
847 |
* Should be overridden in subclasses to forward the request |
|
848 |
* to the Swing helper component, if required. |
|
849 |
*/ |
|
850 |
@Override |
|
851 |
public Dimension getPreferredSize() { |
|
852 |
// It looks like a default implementation for all toolkits |
|
853 |
return getMinimumSize(); |
|
854 |
} |
|
855 |
||
856 |
/* |
|
857 |
* Should be overridden in subclasses to forward the request |
|
858 |
* to the Swing helper component. |
|
859 |
*/ |
|
860 |
@Override |
|
861 |
public Dimension getMinimumSize() { |
|
862 |
D delegate = getDelegate(); |
|
863 |
||
864 |
if (delegate == null) { |
|
865 |
// Is it a correct default value? |
|
866 |
return getBounds().getSize(); |
|
867 |
} else { |
|
868 |
synchronized (getDelegateLock()) { |
|
869 |
return delegate.getMinimumSize(); |
|
870 |
} |
|
871 |
} |
|
872 |
} |
|
873 |
||
874 |
@Override |
|
875 |
public void updateCursorImmediately() { |
|
876 |
getLWToolkit().getCursorManager().updateCursor(); |
|
877 |
} |
|
878 |
||
879 |
@Override |
|
880 |
public boolean isFocusable() { |
|
881 |
// Overridden in focusable subclasses like buttons |
|
882 |
return false; |
|
883 |
} |
|
884 |
||
885 |
@Override |
|
886 |
public boolean requestFocus(Component lightweightChild, boolean temporary, |
|
887 |
boolean focusedWindowChangeAllowed, long time, |
|
888 |
CausedFocusEvent.Cause cause) { |
|
889 |
if (LWKeyboardFocusManagerPeer.getInstance(getAppContext()). |
|
890 |
processSynchronousLightweightTransfer(getTarget(), lightweightChild, temporary, |
|
891 |
focusedWindowChangeAllowed, time)) { |
|
892 |
return true; |
|
893 |
} |
|
894 |
||
895 |
int result = LWKeyboardFocusManagerPeer.getInstance(getAppContext()). |
|
896 |
shouldNativelyFocusHeavyweight(getTarget(), lightweightChild, temporary, |
|
897 |
focusedWindowChangeAllowed, time, cause); |
|
898 |
switch (result) { |
|
899 |
case LWKeyboardFocusManagerPeer.SNFH_FAILURE: |
|
900 |
return false; |
|
901 |
case LWKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED: |
|
902 |
Window parentWindow = SunToolkit.getContainingWindow(getTarget()); |
|
903 |
if (parentWindow == null) { |
|
904 |
LWKeyboardFocusManagerPeer.removeLastFocusRequest(getTarget()); |
|
905 |
return false; |
|
906 |
} |
|
907 |
LWWindowPeer parentPeer = (LWWindowPeer) parentWindow.getPeer(); |
|
908 |
if (parentPeer == null) { |
|
909 |
LWKeyboardFocusManagerPeer.removeLastFocusRequest(getTarget()); |
|
910 |
return false; |
|
911 |
} |
|
912 |
||
913 |
boolean res = parentPeer.requestWindowFocus(cause); |
|
914 |
// If parent window can be made focused and has been made focused (synchronously) |
|
915 |
// then we can proceed with children, otherwise we retreat |
|
916 |
if (!res || !parentWindow.isFocused()) { |
|
917 |
LWKeyboardFocusManagerPeer.removeLastFocusRequest(getTarget()); |
|
918 |
return false; |
|
919 |
} |
|
920 |
||
921 |
LWComponentPeer focusOwnerPeer = |
|
922 |
LWKeyboardFocusManagerPeer.getInstance(getAppContext()). |
|
923 |
getFocusOwner(); |
|
924 |
Component focusOwner = (focusOwnerPeer != null) ? focusOwnerPeer.getTarget() : null; |
|
925 |
return LWKeyboardFocusManagerPeer.deliverFocus(lightweightChild, |
|
926 |
getTarget(), temporary, |
|
927 |
focusedWindowChangeAllowed, |
|
928 |
time, cause, focusOwner); |
|
929 |
case LWKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED: |
|
930 |
return true; |
|
931 |
} |
|
932 |
||
933 |
return false; |
|
934 |
} |
|
935 |
||
936 |
@Override |
|
937 |
public Image createImage(ImageProducer producer) { |
|
938 |
return new ToolkitImage(producer); |
|
939 |
} |
|
940 |
||
941 |
@Override |
|
942 |
public Image createImage(int w, int h) { |
|
943 |
// TODO: accelerated image |
|
944 |
return getGraphicsConfiguration().createCompatibleImage(w, h); |
|
945 |
} |
|
946 |
||
947 |
@Override |
|
948 |
public VolatileImage createVolatileImage(int w, int h) { |
|
949 |
// TODO: is it a right/complete implementation? |
|
950 |
return new SunVolatileImage(getTarget(), w, h); |
|
951 |
} |
|
952 |
||
953 |
@Override |
|
954 |
public boolean prepareImage(Image img, int w, int h, ImageObserver o) { |
|
955 |
// TODO: is it a right/complete implementation? |
|
956 |
return getToolkit().prepareImage(img, w, h, o); |
|
957 |
} |
|
958 |
||
959 |
@Override |
|
960 |
public int checkImage(Image img, int w, int h, ImageObserver o) { |
|
961 |
// TODO: is it a right/complete implementation? |
|
962 |
return getToolkit().checkImage(img, w, h, o); |
|
963 |
} |
|
964 |
||
965 |
@Override |
|
966 |
public boolean handlesWheelScrolling() { |
|
967 |
// TODO: not implemented |
|
968 |
return false; |
|
969 |
} |
|
970 |
||
971 |
@Override |
|
972 |
public final void applyShape(final Region shape) { |
|
973 |
synchronized (getStateLock()) { |
|
974 |
region = shape; |
|
975 |
} |
|
976 |
repaintParent(getBounds()); |
|
977 |
} |
|
978 |
||
979 |
protected final Region getRegion() { |
|
980 |
synchronized (getStateLock()) { |
|
981 |
return region == null ? Region.getInstance(getSize()) : region; |
|
982 |
} |
|
983 |
} |
|
984 |
||
985 |
// DropTargetPeer Method |
|
986 |
@Override |
|
987 |
public void addDropTarget(DropTarget dt) { |
|
12416
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changeset
|
988 |
LWWindowPeer winPeer = getWindowPeerOrSelf(); |
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changeset
|
989 |
if (winPeer != null && winPeer != this) { |
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changeset
|
990 |
// We need to register the DropTarget in the |
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changeset
|
991 |
// peer of the window ancestor of the component |
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changeset
|
992 |
winPeer.addDropTarget(dt); |
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changeset
|
993 |
} else { |
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changeset
|
994 |
synchronized (dropTargetLock) { |
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changeset
|
995 |
// 10-14-02 VL: Windows WComponentPeer would add (or remove) the drop target only |
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changeset
|
996 |
// if it's the first (or last) one for the component. Otherwise this call is a no-op. |
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changeset
|
997 |
if (++fNumDropTargets == 1) { |
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diff
changeset
|
998 |
// Having a non-null drop target would be an error but let's check just in case: |
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diff
changeset
|
999 |
if (fDropTarget != null) |
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diff
changeset
|
1000 |
System.err.println("CComponent.addDropTarget(): current drop target is non-null."); |
12047 | 1001 |
|
12416
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diff
changeset
|
1002 |
// Create a new drop target: |
7f39181f3c6e
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diff
changeset
|
1003 |
fDropTarget = CDropTarget.createDropTarget(dt, target, this); |
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diff
changeset
|
1004 |
} |
12047 | 1005 |
} |
1006 |
} |
|
1007 |
} |
|
1008 |
||
1009 |
// DropTargetPeer Method |
|
1010 |
@Override |
|
1011 |
public void removeDropTarget(DropTarget dt) { |
|
12416
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changeset
|
1012 |
LWWindowPeer winPeer = getWindowPeerOrSelf(); |
7f39181f3c6e
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diff
changeset
|
1013 |
if (winPeer != null && winPeer != this) { |
7f39181f3c6e
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parents:
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diff
changeset
|
1014 |
// We need to unregister the DropTarget in the |
7f39181f3c6e
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parents:
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diff
changeset
|
1015 |
// peer of the window ancestor of the component |
7f39181f3c6e
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diff
changeset
|
1016 |
winPeer.removeDropTarget(dt); |
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diff
changeset
|
1017 |
} else { |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
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diff
changeset
|
1018 |
synchronized (dropTargetLock){ |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
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parents:
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diff
changeset
|
1019 |
// 10-14-02 VL: Windows WComponentPeer would add (or remove) the drop target only |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
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parents:
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diff
changeset
|
1020 |
// if it's the first (or last) one for the component. Otherwise this call is a no-op. |
7f39181f3c6e
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diff
changeset
|
1021 |
if (--fNumDropTargets == 0) { |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
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parents:
12398
diff
changeset
|
1022 |
// Having a null drop target would be an error but let's check just in case: |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
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parents:
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diff
changeset
|
1023 |
if (fDropTarget != null) { |
7f39181f3c6e
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parents:
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diff
changeset
|
1024 |
// Dispose of the drop target: |
7f39181f3c6e
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parents:
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diff
changeset
|
1025 |
fDropTarget.dispose(); |
7f39181f3c6e
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parents:
12398
diff
changeset
|
1026 |
fDropTarget = null; |
7f39181f3c6e
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parents:
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diff
changeset
|
1027 |
} else |
7f39181f3c6e
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parents:
12398
diff
changeset
|
1028 |
System.err.println("CComponent.removeDropTarget(): current drop target is null."); |
7f39181f3c6e
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parents:
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diff
changeset
|
1029 |
} |
12047 | 1030 |
} |
1031 |
} |
|
1032 |
} |
|
1033 |
||
1034 |
// ---- PEER NOTIFICATIONS ---- // |
|
1035 |
||
1036 |
/** |
|
1037 |
* Called when this peer's location has been changed either as a result |
|
1038 |
* of target.setLocation() or as a result of user actions (window is |
|
1039 |
* dragged with mouse). |
|
1040 |
* |
|
1041 |
* To be overridden in LWWindowPeer to update its GraphicsConfig. |
|
1042 |
* |
|
1043 |
* This method could be called on the toolkit thread. |
|
1044 |
*/ |
|
1045 |
protected final void handleMove(final int x, final int y, |
|
1046 |
final boolean updateTarget) { |
|
1047 |
if (updateTarget) { |
|
1048 |
AWTAccessor.getComponentAccessor().setLocation(getTarget(), x, y); |
|
1049 |
} |
|
1050 |
postEvent(new ComponentEvent(getTarget(), |
|
1051 |
ComponentEvent.COMPONENT_MOVED)); |
|
1052 |
} |
|
1053 |
||
1054 |
/** |
|
1055 |
* Called when this peer's size has been changed either as a result of |
|
1056 |
* target.setSize() or as a result of user actions (window is resized). |
|
1057 |
* |
|
1058 |
* To be overridden in LWWindowPeer to update its SurfaceData and |
|
1059 |
* GraphicsConfig. |
|
1060 |
* |
|
1061 |
* This method could be called on the toolkit thread. |
|
1062 |
*/ |
|
1063 |
protected final void handleResize(final int w, final int h, |
|
1064 |
final boolean updateTarget) { |
|
1065 |
if (updateTarget) { |
|
1066 |
AWTAccessor.getComponentAccessor().setSize(getTarget(), w, h); |
|
1067 |
} |
|
1068 |
postEvent(new ComponentEvent(getTarget(), |
|
1069 |
ComponentEvent.COMPONENT_RESIZED)); |
|
1070 |
} |
|
1071 |
||
1072 |
protected final void repaintOldNewBounds(final Rectangle oldB) { |
|
1073 |
repaintParent(oldB); |
|
1074 |
repaintPeer(getSize()); |
|
1075 |
} |
|
1076 |
||
1077 |
protected final void repaintParent(final Rectangle oldB) { |
|
1078 |
final LWContainerPeer cp = getContainerPeer(); |
|
1079 |
if (cp != null) { |
|
1080 |
// Repaint unobscured part of the parent |
|
1081 |
cp.repaintPeer(cp.getContentSize().intersection(oldB)); |
|
1082 |
} |
|
1083 |
} |
|
1084 |
||
1085 |
// ---- EVENTS ---- // |
|
1086 |
||
1087 |
/** |
|
1088 |
* Post an event to the proper Java EDT. |
|
1089 |
*/ |
|
1090 |
public void postEvent(AWTEvent event) { |
|
1091 |
SunToolkit.postEvent(getAppContext(), event); |
|
1092 |
} |
|
1093 |
||
1094 |
protected void postPaintEvent(int x, int y, int w, int h) { |
|
1095 |
// TODO: call getIgnoreRepaint() directly with the right ACC |
|
1096 |
if (AWTAccessor.getComponentAccessor().getIgnoreRepaint(target)) { |
|
1097 |
return; |
|
1098 |
} |
|
1099 |
PaintEvent event = PaintEventDispatcher.getPaintEventDispatcher(). |
|
1100 |
createPaintEvent(getTarget(), x, y, w, h); |
|
1101 |
if (event != null) { |
|
1102 |
postEvent(event); |
|
1103 |
} |
|
1104 |
} |
|
1105 |
||
1106 |
/* |
|
1107 |
* Gives a chance for the peer to handle the event after it's been |
|
1108 |
* processed by the target. |
|
1109 |
*/ |
|
1110 |
@Override |
|
1111 |
public void handleEvent(AWTEvent e) { |
|
1112 |
if ((e instanceof InputEvent) && ((InputEvent) e).isConsumed()) { |
|
1113 |
return; |
|
1114 |
} |
|
1115 |
switch (e.getID()) { |
|
1116 |
case FocusEvent.FOCUS_GAINED: |
|
1117 |
case FocusEvent.FOCUS_LOST: |
|
1118 |
handleJavaFocusEvent((FocusEvent) e); |
|
1119 |
break; |
|
1120 |
case PaintEvent.PAINT: |
|
1121 |
// Got a native paint event |
|
1122 |
// paintPending = false; |
|
1123 |
// fall through to the next statement |
|
1124 |
case PaintEvent.UPDATE: |
|
1125 |
handleJavaPaintEvent(); |
|
1126 |
break; |
|
1127 |
case MouseEvent.MOUSE_PRESSED: |
|
1128 |
handleJavaMouseEvent((MouseEvent)e); |
|
1129 |
} |
|
1130 |
||
1131 |
sendEventToDelegate(e); |
|
1132 |
} |
|
1133 |
||
1134 |
private void sendEventToDelegate(final AWTEvent e) { |
|
1135 |
synchronized (getDelegateLock()) { |
|
1136 |
if (getDelegate() == null || !isShowing() || !isEnabled()) { |
|
1137 |
return; |
|
1138 |
} |
|
1139 |
AWTEvent delegateEvent = createDelegateEvent(e); |
|
1140 |
if (delegateEvent != null) { |
|
1141 |
AWTAccessor.getComponentAccessor() |
|
1142 |
.processEvent((Component) delegateEvent.getSource(), |
|
1143 |
delegateEvent); |
|
1144 |
if (delegateEvent instanceof KeyEvent) { |
|
1145 |
KeyEvent ke = (KeyEvent) delegateEvent; |
|
1146 |
SwingUtilities.processKeyBindings(ke); |
|
1147 |
} |
|
1148 |
} |
|
1149 |
} |
|
1150 |
} |
|
1151 |
||
1152 |
protected AWTEvent createDelegateEvent(AWTEvent e) { |
|
1153 |
AWTEvent delegateEvent = null; |
|
1154 |
if (e instanceof MouseWheelEvent) { |
|
1155 |
MouseWheelEvent me = (MouseWheelEvent) e; |
|
1156 |
delegateEvent = new MouseWheelEvent( |
|
1157 |
delegate, me.getID(), me.getWhen(), |
|
1158 |
me.getModifiers(), |
|
1159 |
me.getX(), me.getY(), |
|
1160 |
me.getClickCount(), |
|
1161 |
me.isPopupTrigger(), |
|
1162 |
me.getScrollType(), |
|
1163 |
me.getScrollAmount(), |
|
1164 |
me.getWheelRotation()); |
|
1165 |
} else if (e instanceof MouseEvent) { |
|
1166 |
MouseEvent me = (MouseEvent) e; |
|
1167 |
||
1168 |
Component eventTarget = SwingUtilities.getDeepestComponentAt(delegate, me.getX(), me.getY()); |
|
1169 |
||
1170 |
if (me.getID() == MouseEvent.MOUSE_DRAGGED) { |
|
1171 |
if (delegateDropTarget == null) { |
|
1172 |
delegateDropTarget = eventTarget; |
|
1173 |
} else { |
|
1174 |
eventTarget = delegateDropTarget; |
|
1175 |
} |
|
1176 |
} |
|
1177 |
if (me.getID() == MouseEvent.MOUSE_RELEASED && delegateDropTarget != null) { |
|
1178 |
eventTarget = delegateDropTarget; |
|
1179 |
delegateDropTarget = null; |
|
1180 |
} |
|
1181 |
if (eventTarget == null) { |
|
1182 |
eventTarget = delegate; |
|
1183 |
} |
|
1184 |
delegateEvent = SwingUtilities.convertMouseEvent(getTarget(), me, eventTarget); |
|
1185 |
} else if (e instanceof KeyEvent) { |
|
1186 |
KeyEvent ke = (KeyEvent) e; |
|
1187 |
delegateEvent = new KeyEvent(getDelegateFocusOwner(), ke.getID(), ke.getWhen(), |
|
1188 |
ke.getModifiers(), ke.getKeyCode(), ke.getKeyChar(), ke.getKeyLocation()); |
|
1189 |
} else if (e instanceof FocusEvent) { |
|
1190 |
FocusEvent fe = (FocusEvent) e; |
|
1191 |
delegateEvent = new FocusEvent(getDelegateFocusOwner(), fe.getID(), fe.isTemporary()); |
|
1192 |
} |
|
1193 |
return delegateEvent; |
|
1194 |
} |
|
1195 |
||
1196 |
protected void handleJavaMouseEvent(MouseEvent e) { |
|
1197 |
Component target = getTarget(); |
|
1198 |
assert (e.getSource() == target); |
|
1199 |
||
1200 |
if (!target.isFocusOwner() && LWKeyboardFocusManagerPeer.shouldFocusOnClick(target)) { |
|
1201 |
LWKeyboardFocusManagerPeer.requestFocusFor(target, CausedFocusEvent.Cause.MOUSE_EVENT); |
|
1202 |
} else { |
|
1203 |
// Anyway request focus to the toplevel. |
|
1204 |
getWindowPeerOrSelf().requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT); |
|
1205 |
} |
|
1206 |
} |
|
1207 |
||
1208 |
/** |
|
1209 |
* Handler for FocusEvents. |
|
1210 |
*/ |
|
1211 |
protected void handleJavaFocusEvent(FocusEvent e) { |
|
1212 |
// Note that the peer receives all the FocusEvents from |
|
1213 |
// its lightweight children as well |
|
1214 |
LWKeyboardFocusManagerPeer.getInstance(getAppContext()). |
|
1215 |
setFocusOwner(e.getID() == FocusEvent.FOCUS_GAINED ? this : null); |
|
1216 |
} |
|
1217 |
||
1218 |
/** |
|
1219 |
* All peers should clear background before paint. |
|
1220 |
* |
|
1221 |
* @return false on components that DO NOT require a clearRect() before |
|
1222 |
* painting. |
|
1223 |
*/ |
|
1224 |
protected final boolean shouldClearRectBeforePaint() { |
|
1225 |
// TODO: sun.awt.noerasebackground |
|
1226 |
return true; |
|
1227 |
} |
|
1228 |
||
1229 |
/** |
|
1230 |
* Handler for PAINT and UPDATE PaintEvents. |
|
1231 |
*/ |
|
1232 |
private void handleJavaPaintEvent() { |
|
1233 |
// Skip all painting while layouting and all UPDATEs |
|
1234 |
// while waiting for native paint |
|
1235 |
// if (!isLayouting && !paintPending) { |
|
1236 |
if (!isLayouting()) { |
|
1237 |
targetPaintArea.paint(getTarget(), shouldClearRectBeforePaint()); |
|
1238 |
} |
|
1239 |
} |
|
1240 |
||
1241 |
// ---- UTILITY METHODS ---- // |
|
1242 |
||
1243 |
/** |
|
1244 |
* Finds a top-most visible component for the given point. The location is |
|
1245 |
* specified relative to the peer's parent. |
|
1246 |
*/ |
|
1247 |
public LWComponentPeer findPeerAt(final int x, final int y) { |
|
1248 |
final Rectangle r = getBounds(); |
|
1249 |
final Region sh = getRegion(); |
|
1250 |
final boolean found = isVisible() && sh.contains(x - r.x, y - r.y); |
|
1251 |
return found ? this : null; |
|
1252 |
} |
|
1253 |
||
1254 |
/* |
|
1255 |
* Translated the given point in Window coordinates to the point in |
|
1256 |
* coordinates local to this component. The given window peer must be |
|
1257 |
* the window where this component is in. |
|
1258 |
*/ |
|
1259 |
public Point windowToLocal(int x, int y, LWWindowPeer wp) { |
|
1260 |
return windowToLocal(new Point(x, y), wp); |
|
1261 |
} |
|
1262 |
||
1263 |
public Point windowToLocal(Point p, LWWindowPeer wp) { |
|
1264 |
LWComponentPeer cp = this; |
|
1265 |
while (cp != wp) { |
|
1266 |
Rectangle cpb = cp.getBounds(); |
|
1267 |
p.x -= cpb.x; |
|
1268 |
p.y -= cpb.y; |
|
1269 |
cp = cp.getContainerPeer(); |
|
1270 |
} |
|
1271 |
// Return a copy to prevent subsequent modifications |
|
1272 |
return new Point(p); |
|
1273 |
} |
|
1274 |
||
1275 |
public Rectangle windowToLocal(Rectangle r, LWWindowPeer wp) { |
|
1276 |
Point p = windowToLocal(r.getLocation(), wp); |
|
1277 |
return new Rectangle(p, r.getSize()); |
|
1278 |
} |
|
1279 |
||
1280 |
public Point localToWindow(int x, int y) { |
|
1281 |
return localToWindow(new Point(x, y)); |
|
1282 |
} |
|
1283 |
||
1284 |
public Point localToWindow(Point p) { |
|
1285 |
LWComponentPeer cp = getContainerPeer(); |
|
1286 |
Rectangle r = getBounds(); |
|
1287 |
while (cp != null) { |
|
1288 |
p.x += r.x; |
|
1289 |
p.y += r.y; |
|
1290 |
r = cp.getBounds(); |
|
1291 |
cp = cp.getContainerPeer(); |
|
1292 |
} |
|
1293 |
// Return a copy to prevent subsequent modifications |
|
1294 |
return new Point(p); |
|
1295 |
} |
|
1296 |
||
1297 |
public Rectangle localToWindow(Rectangle r) { |
|
1298 |
Point p = localToWindow(r.getLocation()); |
|
1299 |
return new Rectangle(p, r.getSize()); |
|
1300 |
} |
|
1301 |
||
1302 |
public final void repaintPeer() { |
|
1303 |
repaintPeer(getSize()); |
|
1304 |
} |
|
1305 |
||
1306 |
public void repaintPeer(final Rectangle r) { |
|
1307 |
final Rectangle toPaint = getSize().intersection(r); |
|
1308 |
if (!isShowing() || toPaint.isEmpty()) { |
|
1309 |
return; |
|
1310 |
} |
|
1311 |
||
1312 |
postPaintEvent(toPaint.x, toPaint.y, toPaint.width, toPaint.height); |
|
1313 |
} |
|
1314 |
||
1315 |
/** |
|
1316 |
* Determines whether this peer is showing on screen. This means that the |
|
1317 |
* peer must be visible, and it must be in a container that is visible and |
|
1318 |
* showing. |
|
1319 |
* |
|
1320 |
* @see #isVisible() |
|
1321 |
*/ |
|
1322 |
protected boolean isShowing() { |
|
1323 |
synchronized (getPeerTreeLock()) { |
|
1324 |
if (isVisible()) { |
|
1325 |
final LWContainerPeer container = getContainerPeer(); |
|
1326 |
return (container == null) || container.isShowing(); |
|
1327 |
} |
|
1328 |
} |
|
1329 |
return false; |
|
1330 |
} |
|
1331 |
||
1332 |
/** |
|
1333 |
* Paints the peer. Overridden in subclasses to delegate the actual painting |
|
1334 |
* to Swing components. |
|
1335 |
*/ |
|
1336 |
protected final void paintPeer(final Graphics g) { |
|
1337 |
final D delegate = getDelegate(); |
|
1338 |
if (delegate != null) { |
|
1339 |
if (!SwingUtilities.isEventDispatchThread()) { |
|
1340 |
throw new InternalError("Painting must be done on EDT"); |
|
1341 |
} |
|
1342 |
synchronized (getDelegateLock()) { |
|
1343 |
// JComponent.print() is guaranteed to not affect the double buffer |
|
1344 |
getDelegate().print(g); |
|
1345 |
} |
|
1346 |
} |
|
1347 |
} |
|
1348 |
||
1349 |
// Just a helper method, thus final |
|
1350 |
protected final void flushOffscreenGraphics() { |
|
1351 |
flushOffscreenGraphics(getSize()); |
|
1352 |
} |
|
1353 |
||
1354 |
protected static final void flushOnscreenGraphics(){ |
|
1355 |
final OGLRenderQueue rq = OGLRenderQueue.getInstance(); |
|
1356 |
rq.lock(); |
|
1357 |
try { |
|
1358 |
rq.flushNow(); |
|
1359 |
} finally { |
|
1360 |
rq.unlock(); |
|
1361 |
} |
|
1362 |
} |
|
1363 |
||
1364 |
/* |
|
1365 |
* Flushes the given rectangle from the back buffer to the screen. |
|
1366 |
*/ |
|
1367 |
protected void flushOffscreenGraphics(Rectangle r) { |
|
1368 |
flushOffscreenGraphics(r.x, r.y, r.width, r.height); |
|
1369 |
} |
|
1370 |
||
1371 |
private void flushOffscreenGraphics(int x, int y, int width, int height) { |
|
1372 |
Image bb = getWindowPeerOrSelf().getBackBuffer(); |
|
1373 |
if (bb != null) { |
|
1374 |
// g is a screen Graphics from the delegate |
|
1375 |
final Graphics g = getOnscreenGraphics(); |
|
1376 |
||
1377 |
if (g != null && g instanceof Graphics2D) { |
|
1378 |
try { |
|
1379 |
Graphics2D g2d = (Graphics2D)g; |
|
1380 |
Point p = localToWindow(new Point(0, 0)); |
|
1381 |
Composite composite = g2d.getComposite(); |
|
1382 |
g2d.setComposite(AlphaComposite.Src); |
|
1383 |
g.drawImage(bb, x, y, x + width, y + height, p.x + x, |
|
1384 |
p.y + y, p.x + x + width, p.y + y + height, |
|
1385 |
null); |
|
1386 |
g2d.setComposite(composite); |
|
1387 |
} finally { |
|
1388 |
g.dispose(); |
|
1389 |
} |
|
1390 |
} |
|
1391 |
} |
|
1392 |
} |
|
1393 |
||
1394 |
/** |
|
1395 |
* Used by ContainerPeer to skip all the paint events during layout. |
|
1396 |
* |
|
1397 |
* @param isLayouting layouting state. |
|
1398 |
*/ |
|
1399 |
protected final void setLayouting(final boolean isLayouting) { |
|
1400 |
this.isLayouting = isLayouting; |
|
1401 |
} |
|
1402 |
||
1403 |
/** |
|
1404 |
* Returns layouting state. Used by ComponentPeer to skip all the paint |
|
1405 |
* events during layout. |
|
1406 |
* |
|
1407 |
* @return true during layout, false otherwise. |
|
1408 |
*/ |
|
1409 |
private final boolean isLayouting() { |
|
1410 |
return isLayouting; |
|
1411 |
} |
|
1412 |
} |