1 /*
2 * Copyright (c) 2011, 2015, 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.geom.Rectangle2D;
30
31 import sun.awt.CGraphicsConfig;
32 import sun.awt.CGraphicsEnvironment;
33 import sun.lwawt.LWWindowPeer;
34
35 import sun.java2d.SurfaceData;
36 import sun.java2d.opengl.CGLLayer;
37 import sun.java2d.opengl.CGLSurfaceData;
38
39 public class CPlatformView extends CFRetainedResource {
40 private native long nativeCreateView(int x, int y, int width, int height, long windowLayerPtr);
41 private static native void nativeSetAutoResizable(long awtView, boolean toResize);
42 private static native int nativeGetNSViewDisplayID(long awtView);
43 private static native Rectangle2D nativeGetLocationOnScreen(long awtView);
44 private static native boolean nativeIsViewUnderMouse(long ptr);
45
46 private LWWindowPeer peer;
47 private SurfaceData surfaceData;
48 private CGLLayer windowLayer;
49 private CPlatformResponder responder;
50
51 public CPlatformView() {
52 super(0, true);
53 }
54
55 public void initialize(LWWindowPeer peer, CPlatformResponder responder) {
56 initializeBase(peer, responder);
57
58 if (!LWCToolkit.getSunAwtDisableCALayers()) {
59 this.windowLayer = createCGLayer();
60 }
61 setPtr(nativeCreateView(0, 0, 0, 0, getWindowLayerPtr()));
62 }
63
64 public CGLLayer createCGLayer() {
65 return new CGLLayer(peer);
66 }
67
68 protected void initializeBase(LWWindowPeer peer, CPlatformResponder responder) {
69 this.peer = peer;
70 this.responder = responder;
71 }
72
73 public long getAWTView() {
74 return ptr;
75 }
76
77 public boolean isOpaque() {
78 return !peer.isTranslucent();
79 }
80
81 /*
82 * All coordinates passed to the method should be based on the origin being in the bottom-left corner (standard
83 * Cocoa coordinates).
84 */
85 public void setBounds(int x, int y, int width, int height) {
86 CWrapper.NSView.setFrame(ptr, x, y, width, height);
87 }
88
89 // REMIND: CGLSurfaceData expects top-level's size
90 public Rectangle getBounds() {
91 return peer.getBounds();
92 }
93
94 public Object getDestination() {
95 return peer;
96 }
97
98 public void setToolTip(String msg) {
99 CWrapper.NSView.setToolTip(ptr, msg);
100 }
101
102 // ----------------------------------------------------------------------
103 // PAINTING METHODS
104 // ----------------------------------------------------------------------
105 public SurfaceData replaceSurfaceData() {
106 if (!LWCToolkit.getSunAwtDisableCALayers()) {
107 surfaceData = windowLayer.replaceSurfaceData();
108 } else {
109 if (surfaceData == null) {
110 CGraphicsConfig graphicsConfig = (CGraphicsConfig)getGraphicsConfiguration();
111 surfaceData = graphicsConfig.createSurfaceData(this);
112 } else {
113 validateSurface();
114 }
115 }
116 return surfaceData;
117 }
118
119 private void validateSurface() {
120 if (surfaceData != null) {
121 ((CGLSurfaceData)surfaceData).validate();
122 }
123 }
124
125 public GraphicsConfiguration getGraphicsConfiguration() {
126 return peer.getGraphicsConfiguration();
127 }
128
129 public SurfaceData getSurfaceData() {
130 return surfaceData;
131 }
132
133 @Override
134 public void dispose() {
135 if (!LWCToolkit.getSunAwtDisableCALayers()) {
136 windowLayer.dispose();
137 }
138 super.dispose();
139 }
140
141 public long getWindowLayerPtr() {
142 if (!LWCToolkit.getSunAwtDisableCALayers()) {
143 return windowLayer.getPointer();
144 } else {
145 return 0;
146 }
147 }
148
149 public void setAutoResizable(boolean toResize) {
150 nativeSetAutoResizable(this.getAWTView(), toResize);
151 }
152
153 public boolean isUnderMouse() {
154 return nativeIsViewUnderMouse(getAWTView());
155 }
156
157 public GraphicsDevice getGraphicsDevice() {
158 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
159 CGraphicsEnvironment cge = (CGraphicsEnvironment)ge;
160 int displayID = nativeGetNSViewDisplayID(getAWTView());
161 GraphicsDevice gd = cge.getScreenDevice(displayID);
162 if (gd == null) {
163 // this could possibly happen during device removal
164 // use the default screen device in this case
165 gd = ge.getDefaultScreenDevice();
166 }
167 return gd;
168 }
169
170 public Point getLocationOnScreen() {
171 Rectangle r = nativeGetLocationOnScreen(this.getAWTView()).getBounds();
172 return new Point(r.x, r.y);
173 }
174
175 // ----------------------------------------------------------------------
176 // NATIVE CALLBACKS
177 // ----------------------------------------------------------------------
178
179 /*
180 * The callback is called only in the embedded case when the view is
181 * automatically resized by the superview.
182 * In normal mode this method is never called.
183 */
184 private void deliverResize(int x, int y, int w, int h) {
185 peer.notifyReshape(x, y, w, h);
186 }
187
188
189 private void deliverMouseEvent(final NSEvent event) {
190 int x = event.getX();
191 int y = getBounds().height - event.getY();
192 int absX = event.getAbsX();
193 int absY = event.getAbsY();
194
195 if (event.getType() == CocoaConstants.NSScrollWheel) {
196 responder.handleScrollEvent(x, y, absX, absY, event.getModifierFlags(),
197 event.getScrollDeltaX(), event.getScrollDeltaY());
198 } else {
199 responder.handleMouseEvent(event.getType(), event.getModifierFlags(), event.getButtonNumber(),
200 event.getClickCount(), x, y,
201 absX, absY);
202 }
203 }
204
205 private void deliverKeyEvent(NSEvent event) {
206 responder.handleKeyEvent(event.getType(), event.getModifierFlags(), event.getCharacters(),
207 event.getCharactersIgnoringModifiers(), event.getKeyCode(), true, false);
208 }
209
210 /**
211 * Called by the native delegate in layer backed view mode or in the simple
212 * NSView mode. See NSView.drawRect().
213 */
214 private void deliverWindowDidExposeEvent() {
215 peer.notifyExpose(peer.getSize());
216 }
217 }