1 /*
2 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27 package sun.lwawt;
28
29 import java.awt.*;
30
31 import java.awt.dnd.DropTarget;
32 import java.awt.dnd.peer.DropTargetPeer;
33 import java.awt.event.*;
34
35 import java.awt.image.ColorModel;
36 import java.awt.image.ImageObserver;
37 import java.awt.image.ImageProducer;
38 import java.awt.image.VolatileImage;
39
40 import java.awt.peer.ComponentPeer;
41 import java.awt.peer.ContainerPeer;
42
43 import java.awt.peer.KeyboardFocusManagerPeer;
44 import java.util.concurrent.atomic.AtomicBoolean;
45 import java.lang.reflect.Field;
46 import java.security.AccessController;
47 import java.security.PrivilegedAction;
48
49 import sun.awt.*;
50
51 import sun.awt.event.IgnorePaintEvent;
52
53 import sun.awt.image.SunVolatileImage;
54 import sun.awt.image.ToolkitImage;
55
56 import sun.java2d.SunGraphics2D;
57 import sun.java2d.opengl.OGLRenderQueue;
58 import sun.java2d.pipe.Region;
59
60 import sun.util.logging.PlatformLogger;
61
62 import javax.swing.JComponent;
63 import javax.swing.SwingUtilities;
64 import javax.swing.RepaintManager;
65
66 import com.sun.java.swing.SwingUtilities3;
67
68 public abstract class LWComponentPeer<T extends Component, D extends JComponent>
69 implements ComponentPeer, DropTargetPeer
70 {
71 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWComponentPeer");
72
73 /**
74 * State lock is to be used for modifications to this peer's fields (e.g.
75 * bounds, background, font, etc.) It should be the last lock in the lock
76 * chain
77 */
78 private final Object stateLock = new Object();
79
80 /**
81 * The lock to operate with the peers hierarchy. AWT tree lock is not used
82 * as there are many peers related ops to be done on the toolkit thread, and
83 * we don't want to depend on a public lock on this thread
84 */
85 private static final Object peerTreeLock = new Object();
86
87 /**
1088 } else
1089 System.err.println("CComponent.removeDropTarget(): current drop target is null.");
1090 }
1091 }
1092 }
1093 }
1094
1095 // ---- PEER NOTIFICATIONS ---- //
1096
1097 /**
1098 * Called when this peer's location has been changed either as a result
1099 * of target.setLocation() or as a result of user actions (window is
1100 * dragged with mouse).
1101 *
1102 * This method could be called on the toolkit thread.
1103 */
1104 protected final void handleMove(final int x, final int y,
1105 final boolean updateTarget) {
1106 if (updateTarget) {
1107 AWTAccessor.getComponentAccessor().setLocation(getTarget(), x, y);
1108 }
1109 postEvent(new ComponentEvent(getTarget(),
1110 ComponentEvent.COMPONENT_MOVED));
1111 }
1112
1113 /**
1114 * Called when this peer's size has been changed either as a result of
1115 * target.setSize() or as a result of user actions (window is resized).
1116 *
1117 * This method could be called on the toolkit thread.
1118 */
1119 protected final void handleResize(final int w, final int h,
1120 final boolean updateTarget) {
1121 Image oldBB = null;
1122 synchronized (getStateLock()) {
1123 if (backBuffer != null) {
1124 oldBB = backBuffer;
1125 backBuffer = getLWGC().createBackBuffer(this);
1126 }
1127 }
1128 getLWGC().destroyBackBuffer(oldBB);
1129
1130 if (updateTarget) {
1131 AWTAccessor.getComponentAccessor().setSize(getTarget(), w, h);
1132 }
1133 postEvent(new ComponentEvent(getTarget(),
1134 ComponentEvent.COMPONENT_RESIZED));
1135 }
1136
1137 protected final void repaintOldNewBounds(final Rectangle oldB) {
1138 repaintParent(oldB);
1139 repaintPeer(getSize());
1140 }
1141
1142 protected final void repaintParent(final Rectangle oldB) {
1143 final LWContainerPeer<?, ?> cp = getContainerPeer();
1144 if (cp != null) {
1145 // Repaint unobscured part of the parent
1146 cp.repaintPeer(cp.getContentSize().intersection(oldB));
1147 }
1148 }
1149
1150 // ---- EVENTS ---- //
1151
1152 /**
1153 * Post an event to the proper Java EDT.
1154 */
1155 public void postEvent(final AWTEvent event) {
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1 /*
2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.lwawt;
27
28 import java.awt.AWTEvent;
29 import java.awt.AWTException;
30 import java.awt.BufferCapabilities;
31 import java.awt.Color;
32 import java.awt.Component;
33 import java.awt.Container;
34 import java.awt.Cursor;
35 import java.awt.Dimension;
36 import java.awt.Font;
37 import java.awt.FontMetrics;
38 import java.awt.Graphics;
39 import java.awt.GraphicsConfiguration;
40 import java.awt.Image;
41 import java.awt.Point;
42 import java.awt.Rectangle;
43 import java.awt.Toolkit;
44 import java.awt.Window;
45 import java.awt.dnd.DropTarget;
46 import java.awt.dnd.peer.DropTargetPeer;
47 import java.awt.event.AWTEventListener;
48 import java.awt.event.ComponentEvent;
49 import java.awt.event.FocusEvent;
50 import java.awt.event.InputEvent;
51 import java.awt.event.KeyEvent;
52 import java.awt.event.MouseEvent;
53 import java.awt.event.MouseWheelEvent;
54 import java.awt.event.PaintEvent;
55 import java.awt.image.ColorModel;
56 import java.awt.image.ImageObserver;
57 import java.awt.image.ImageProducer;
58 import java.awt.image.VolatileImage;
59 import java.awt.peer.ComponentPeer;
60 import java.awt.peer.ContainerPeer;
61 import java.awt.peer.KeyboardFocusManagerPeer;
62 import java.lang.reflect.Field;
63 import java.security.AccessController;
64 import java.security.PrivilegedAction;
65 import java.util.concurrent.atomic.AtomicBoolean;
66
67 import javax.swing.JComponent;
68 import javax.swing.RepaintManager;
69 import javax.swing.SwingUtilities;
70
71 import com.sun.java.swing.SwingUtilities3;
72 import sun.awt.AWTAccessor;
73 import sun.awt.PaintEventDispatcher;
74 import sun.awt.RepaintArea;
75 import sun.awt.SunToolkit;
76 import sun.awt.event.IgnorePaintEvent;
77 import sun.awt.image.SunVolatileImage;
78 import sun.awt.image.ToolkitImage;
79 import sun.java2d.SunGraphics2D;
80 import sun.java2d.opengl.OGLRenderQueue;
81 import sun.java2d.pipe.Region;
82 import sun.util.logging.PlatformLogger;
83
84 public abstract class LWComponentPeer<T extends Component, D extends JComponent>
85 implements ComponentPeer, DropTargetPeer
86 {
87 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWComponentPeer");
88
89 /**
90 * State lock is to be used for modifications to this peer's fields (e.g.
91 * bounds, background, font, etc.) It should be the last lock in the lock
92 * chain
93 */
94 private final Object stateLock = new Object();
95
96 /**
97 * The lock to operate with the peers hierarchy. AWT tree lock is not used
98 * as there are many peers related ops to be done on the toolkit thread, and
99 * we don't want to depend on a public lock on this thread
100 */
101 private static final Object peerTreeLock = new Object();
102
103 /**
1104 } else
1105 System.err.println("CComponent.removeDropTarget(): current drop target is null.");
1106 }
1107 }
1108 }
1109 }
1110
1111 // ---- PEER NOTIFICATIONS ---- //
1112
1113 /**
1114 * Called when this peer's location has been changed either as a result
1115 * of target.setLocation() or as a result of user actions (window is
1116 * dragged with mouse).
1117 *
1118 * This method could be called on the toolkit thread.
1119 */
1120 protected final void handleMove(final int x, final int y,
1121 final boolean updateTarget) {
1122 if (updateTarget) {
1123 AWTAccessor.getComponentAccessor().setLocation(getTarget(), x, y);
1124 postEvent(new ComponentEvent(getTarget(),
1125 ComponentEvent.COMPONENT_MOVED));
1126 }
1127 }
1128
1129 /**
1130 * Called when this peer's size has been changed either as a result of
1131 * target.setSize() or as a result of user actions (window is resized).
1132 *
1133 * This method could be called on the toolkit thread.
1134 */
1135 protected final void handleResize(final int w, final int h,
1136 final boolean updateTarget) {
1137 Image oldBB = null;
1138 synchronized (getStateLock()) {
1139 if (backBuffer != null) {
1140 oldBB = backBuffer;
1141 backBuffer = getLWGC().createBackBuffer(this);
1142 }
1143 }
1144 getLWGC().destroyBackBuffer(oldBB);
1145
1146 if (updateTarget) {
1147 AWTAccessor.getComponentAccessor().setSize(getTarget(), w, h);
1148 postEvent(new ComponentEvent(getTarget(),
1149 ComponentEvent.COMPONENT_RESIZED));
1150 }
1151 }
1152
1153 protected final void repaintOldNewBounds(final Rectangle oldB) {
1154 repaintParent(oldB);
1155 repaintPeer(getSize());
1156 }
1157
1158 protected final void repaintParent(final Rectangle oldB) {
1159 final LWContainerPeer<?, ?> cp = getContainerPeer();
1160 if (cp != null) {
1161 // Repaint unobscured part of the parent
1162 cp.repaintPeer(cp.getContentSize().intersection(oldB));
1163 }
1164 }
1165
1166 // ---- EVENTS ---- //
1167
1168 /**
1169 * Post an event to the proper Java EDT.
1170 */
1171 public void postEvent(final AWTEvent event) {
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