1 /*
2 * Copyright (c) 2011, 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.macosx;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.awt.image.VolatileImage;
31
32 import sun.awt.CGraphicsConfig;
33 import sun.lwawt.LWWindowPeer;
34 import sun.lwawt.macosx.event.NSEvent;
35
36 import sun.java2d.SurfaceData;
37 import sun.java2d.opengl.CGLLayer;
38 import sun.java2d.opengl.CGLSurfaceData;
39
40 public class CPlatformView extends CFRetainedResource {
41 private native long nativeCreateView(int x, int y, int width, int height, long windowLayerPtr);
42
43 private LWWindowPeer peer;
44 private SurfaceData surfaceData;
45 private CGLLayer windowLayer;
46 private CPlatformResponder responder;
47
48 public CPlatformView() {
49 super(0, true);
50 }
51
52 public void initialize(LWWindowPeer peer) {
53 this.peer = peer;
54 this.responder = new CPlatformResponder(peer, false);
55
56 if (!LWCToolkit.getSunAwtDisableCALayers()) {
57 this.windowLayer = new CGLLayer(peer);
58 }
59 setPtr(nativeCreateView(0, 0, 0, 0, getWindowLayerPtr()));
60 }
61
62 public long getAWTView() {
63 return ptr;
64 }
65
66 public boolean isOpaque() {
67 return peer.isOpaque();
68 }
69
70 /*
71 * All coordinates passed to the method should be based on the origin being in the bottom-left corner (standard
72 * Cocoa coordinates).
73 */
74 public void setBounds(int x, int y, int width, int height) {
75 CWrapper.NSView.setFrame(ptr, x, y, width, height);
76 }
77
78 // REMIND: CGLSurfaceData expects top-level's size
79 public Rectangle getBounds() {
80 return peer.getBounds();
81 }
82
83 public Object getDestination() {
84 return peer;
85 }
86
87 // ----------------------------------------------------------------------
88 // PAINTING METHODS
89 // ----------------------------------------------------------------------
90
91 public void drawImageOnPeer(VolatileImage xBackBuffer, int x1, int y1, int x2, int y2) {
92 Graphics g = peer.getGraphics();
93 try {
94 g.drawImage(xBackBuffer, x1, y1, x2, y2, x1, y1, x2, y2, null);
95 } finally {
96 g.dispose();
97 }
98 }
99
100 public Image createBackBuffer() {
101 Rectangle r = peer.getBounds();
102 Image im = null;
103 if (!r.isEmpty()) {
104 int transparency = (isOpaque() ? Transparency.OPAQUE : Transparency.TRANSLUCENT);
105 im = peer.getGraphicsConfiguration().createCompatibleImage(r.width, r.height, transparency);
106 }
107 return im;
108 }
109
110 public SurfaceData replaceSurfaceData() {
111 if (!LWCToolkit.getSunAwtDisableCALayers()) {
112 surfaceData = windowLayer.replaceSurfaceData();
113 } else {
114 if (surfaceData == null) {
115 CGraphicsConfig graphicsConfig = (CGraphicsConfig)peer.getGraphicsConfiguration();
116 surfaceData = graphicsConfig.createSurfaceData(this);
117 } else {
118 validateSurface();
119 }
120 }
121 return surfaceData;
122 }
123
124 private void validateSurface() {
125 if (surfaceData != null) {
126 ((CGLSurfaceData)surfaceData).validate();
127 }
128 }
129
130 public GraphicsConfiguration getGraphicsConfiguration() {
131 return peer.getGraphicsConfiguration();
132 }
133
134 public SurfaceData getSurfaceData() {
135 return surfaceData;
136 }
137
138 @Override
139 public void dispose() {
140 if (!LWCToolkit.getSunAwtDisableCALayers()) {
141 windowLayer.dispose();
142 }
143 super.dispose();
144 }
145
146 public long getWindowLayerPtr() {
147 if (!LWCToolkit.getSunAwtDisableCALayers()) {
148 return windowLayer.getPointer();
149 } else {
150 return 0;
151 }
152 }
153
154 // ----------------------------------------------------------------------
155 // NATIVE CALLBACKS
156 // ----------------------------------------------------------------------
157
158 private void deliverMouseEvent(NSEvent event) {
159 int x = event.getX();
160 int y = getBounds().height - event.getY();
161
162 if (event.getType() == CocoaConstants.NSScrollWheel) {
163 responder.handleScrollEvent(x, y, event.getModifierFlags(),
164 event.getScrollDeltaX(), event.getScrollDeltaY());
165 } else {
166 responder.handleMouseEvent(event.getType(), event.getModifierFlags(), event.getButtonNumber(),
167 event.getClickCount(), x, y, event.getAbsX(), event.getAbsY());
168 }
169 }
170
171 private void deliverKeyEvent(NSEvent event) {
172 responder.handleKeyEvent(event.getType(), event.getModifierFlags(),
173 event.getCharactersIgnoringModifiers(), event.getKeyCode());
174 }
175
176 private void deliverWindowDidExposeEvent() {
177 Rectangle r = peer.getBounds();
178 peer.notifyExpose(0, 0, r.width, r.height);
179 }
180
181 private void deliverWindowDidExposeEvent(float x, float y, float w, float h) {
182 peer.notifyExpose((int)x, (int)y, (int)w, (int)h);
183 }
184 }