1 /*
2 * Copyright (c) 2012, 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 package com.sun.glass.ui.swt;
26
27 import java.nio.IntBuffer;
28 import java.util.Map;
29
30 import com.sun.glass.events.*;
31 import com.sun.glass.ui.*;
32
33 import org.eclipse.swt.*;
34 import org.eclipse.swt.widgets.*;
35 import org.eclipse.swt.dnd.DropTarget;
36 import org.eclipse.swt.graphics.*;
37 //import org.eclipse.swt.internal.cocoa.OS;
38
39 final class SWTView extends View {
40 Canvas canvas;
41 DropTarget dropTarget;
42
43 static Shell hiddenShell;
44
45 public SWTView() {
46 super();
47 }
48
49 //TODO - implement IME
50 @Override protected void _enableInputMethodEvents(long ptr, boolean enable) { }
51
52 @Override
53 protected int _getNativeFrameBuffer(long ptr) {
54 return 0;
55 }
56
57 @Override protected long _create(Map caps) {
58 if (hiddenShell == null) {
59 hiddenShell = new Shell(Display.getDefault(), SWT.SHELL_TRIM);
60 Display.getDefault().disposeExec(() -> {
61 hiddenShell.dispose();
62 hiddenShell = null;
63 });
64 }
65 int bits = SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE | SWT.LEFT_TO_RIGHT;// | SWT.NO_FOCUS;
66 if (SWT.getPlatform().equals("cocoa")) {
67 canvas = SWTApplication.createGLCanvas(hiddenShell, bits, caps);
68
69 // NSView view = canvas.view;
70 // long setWantsLayer_SEL = OS.sel_registerName("setWantsLayer:");
71 // OS.objc_msgSend(view.id, setWantsLayer_SEL, true);
72 } else {
73 canvas = new Canvas(hiddenShell, bits);
74 }
75 canvas.setData(this);
76 Listener keyListener = event -> sendKeyEvent(event);
77 int [] keyEvents = new int[] {
78 SWT.KeyDown,
79 SWT.KeyUp,
80 };
81 for (int i=0; i<keyEvents.length; i++) {
82 canvas.addListener (keyEvents[i], keyListener);
83 }
84 Listener mouseListener = event -> sendMouseEvent(event);
85 int [] mouseEvents = new int[] {
86 SWT.MouseDown,
87 SWT.MouseUp,
88 SWT.MouseMove,
89 SWT.MouseEnter,
90 SWT.MouseExit,
91 SWT.MouseHorizontalWheel,
92 SWT.MouseVerticalWheel,
93 SWT.MenuDetect,
94 };
95 for (int i=0; i<mouseEvents.length; i++) {
96 canvas.addListener (mouseEvents[i], mouseListener);
97 }
98 canvas.addListener(SWT.Paint, event -> notifyRepaint(event.x, event.y, event.width, event.height));
99 canvas.addListener(SWT.Resize, event -> {
100 Rectangle rect = canvas.getClientArea();
101 notifyResize(rect.width, rect.height);
102 });
103
104 //TODO - refactor to drop target creation in a better place
105 dropTarget = SWTClipboard.createDropTarget(canvas);
106
107 return SWTApplication.getHandle(canvas);
108 }
109
110 long layerID = 0;
111 @Override public int getNativeRemoteLayerId(String serverName) {
112 if (layerID != 0) return (int)layerID;
113 // used when run inside plugin
114 /*
115 // long JRSRemoteLayer_class = OS.objc_getClass("JRSRenderServer");
116
117 Class<?> OS = Class.forName("org.eclipse.swt.internal.cocoa.OS");
118 Method objc_getClass = OS.getDeclaredMethod("objc_getClass", String.class);
119 long JRSRemoteLayer_class = (Long)objc_getClass.invoke(OS, "JRSRenderServer");
120
121
122 //RemoteLayerStartServer
123 // long startRenderServer_SEL = OS.sel_registerName("startRenderServer");
124 // long result = OS.objc_msgSend(JRSRemoteLayer_class, startRenderServer_SEL);
125 // System.out.println("sent startRenderServer="+result);
126
127 //RemoteLayerGetServerPort
128 System.out.println("connecting to " + serverName);
129 NSString str = (NSString) new NSString().alloc();
130 str = NSString.stringWith(serverName);
131 System.out.println("class="+JRSRemoteLayer_class);
132 long recieveRenderServer_SEL = OS.sel_registerName("recieveRenderServer:");
133 System.out.println("SEL="+recieveRenderServer_SEL);
134 System.out.println("sending msg getPort");
135 long port = OS.objc_msgSend(JRSRemoteLayer_class, recieveRenderServer_SEL, str.id);
136 System.out.println("port="+port);
137
138 //RemoteLayerGetRemoteFromLocal
139 // long localLayer = getNativeLayer();
140 NSView view = canvas.view;
141 //
142 // long setWantsLayer_SEL = OS.sel_registerName("setWantsLayer:");
143 // OS.objc_msgSend(view.id, setWantsLayer_SEL, true);
144
145 long layer_SEL = OS.sel_registerName("layer");
146 long localLayer = OS.objc_msgSend(view.id, layer_SEL);
147 System.out.println("localLayer="+localLayer);
148 long createRemoteLayer_SEL = OS.sel_registerName("createRemoteLayerBoundTo:");
149 System.out.println("sending msg createRemoteLayerBoundTo");
150 long remoteLayer = OS.objc_msgSend(localLayer, createRemoteLayer_SEL, port);
151 System.out.println("remoter layer =" + remoteLayer);
152
153 //RemoteLayerGetIdForRemote
154 long layerID_SEL = OS.sel_registerName("layerID");
155 System.out.println("sending msg layerID_SEL");
156 layerID = OS.objc_msgSend(remoteLayer, layerID_SEL);
157 System.out.println("returning layerID="+layerID);
158
159 String s = Display.getAppVersion();
160 if (s==null) s = "";
161 s+= " create remote layer " + layerID;
162 Display.setAppVersion(s);
163 */
164
165 return (int)layerID;
166 }
167
168 @Override protected long _getNativeView(long ptr) {
169 return ptr;
170 }
171
172 @Override protected int _getX(long ptr) {
173 //TODO - implement offset in parent
174 return 0;
175 }
176 @Override protected int _getY(long ptr) {
177 //TODO - implement offset in parent
178 return 0;
179 }
180
181 @Override protected boolean _close(long ptr) {
182 //TODO - implement destroy of a view
183 return false;
184 }
185
186 @Override protected void _scheduleRepaint(long ptr) {
187 canvas.redraw();
188 }
189
190 @Override protected void _begin(final long ptr) {
191 SWTApplication.lockFocus(canvas);
192 }
193
194 @Override protected void _end(final long ptr) {
195 SWTApplication.unlockFocus(canvas);
196 }
197
198 @Override protected boolean _enterFullscreen(long ptr, boolean animate, boolean keepRatio, boolean hideCursor) {
199 canvas.getShell().setFullScreen(true);
200 if (canvas.getShell().getFullScreen()) {
201 notifyView(ViewEvent.FULLSCREEN_ENTER);
202 return true;
203 }
204 return false;
205 };
206 @Override protected void _exitFullscreen(long ptr, boolean animate) {
207 canvas.getShell().setFullScreen(false);
208 if (!canvas.getShell().getFullScreen()) {
209 notifyView(ViewEvent.FULLSCREEN_EXIT);
210 }
211 };
212
213 @Override protected void _setParent(long ptr, long parentPtr) {
214 //TODO - implement set parent (is this necessary?)
215 //throw new RuntimeException("SWTView._setParent not implemented.");
216 }
217
218 @Override protected void _uploadPixels(long ptr, Pixels pixels) {
219 //TODO - optimize pixel uploading
220 int width = pixels.getWidth(), height = pixels.getHeight();
221 int [] bytes = ((IntBuffer)pixels.getPixels()).array();
222 PaletteData palette = new PaletteData(0x00ff0000, 0x0000ff00, 0x000000ff);
223
224 //long t0 = System.currentTimeMillis();
225 ImageData imageData = new ImageData(width, height, 32, palette);
226 //long t1 = System.currentTimeMillis();
227 //System.out.println("new ImageData: " + (t1-t0));
228
229 imageData.setPixels(0, 0, width * height, bytes, 0);
230 //long t2 = System.currentTimeMillis();
231 //System.out.println("setPixels: " + (t2-t1));
232
233 Image image = new Image(canvas.getDisplay(), imageData);
234 //long t3 = System.currentTimeMillis();
235 //System.out.println("new Image: " + (t3-t2));
236
237 GC gc = new GC (canvas);
238 //long t4 = System.currentTimeMillis();
239 //System.out.println("new GC: " + (t4-t3));
240
241 gc.drawImage(image, 0, 0);
242 //long t5 = System.currentTimeMillis();
243 //System.out.println("drawImage: " + (t5-t4));
244
245 image.dispose();
246 //long t6 = System.currentTimeMillis();
247 //System.out.println("image.dispose(): " + (t6-t5));
248
249 gc.dispose();
250 //long t7 = System.currentTimeMillis();
251 //System.out.println("gc.dispose(): " + (t7-t6));
252 }
253
254 void sendKeyEvent (Event event) {
255 //TODO - should the notifyXXX be called instead?
256 EventHandler eventHandler = getEventHandler();
257 if (eventHandler == null) return;
258 long time = System.nanoTime();
259 int keyCode = SWTApplication.getKeyCode(event);
260 int modifiers = SWTApplication.getModifiers(event);
261 int action = event.type == SWT.KeyDown ? KeyEvent.PRESS : KeyEvent.RELEASE;
262 char[] chars = new char[] { event.character };
263 eventHandler.handleKeyEvent(this, time, action, keyCode, chars, modifiers);
264 if (event.character != '\0' && event.type == SWT.KeyDown) {
265 eventHandler.handleKeyEvent(this, time, KeyEvent.TYPED, keyCode, chars, modifiers);
266 }
267 }
268
269 void sendMouseEvent (Event event) {
270 //TODO - should the notifyXXX be called instead?
271 EventHandler eventHandler = getEventHandler();
272 if (eventHandler == null) return;
273 long time = System.nanoTime();
274 int type = 0;
275 switch (event.type) {
276 case SWT.MouseDown:
277 type = MouseEvent.DOWN;
278 if ((canvas.getShell().getStyle() & SWT.NO_FOCUS) != 0) {
279 canvas.forceFocus();
280 }
281 break;
282 case SWT.MouseUp:
283 type = MouseEvent.UP;
284 break;
285 case SWT.MouseMove:
286 if ((event.stateMask & SWT.BUTTON_MASK) != 0) {
287 type = MouseEvent.DRAG;
288 } else {
289 type = MouseEvent.MOVE;
290 }
291 break;
292 case SWT.MouseEnter:
293 type = MouseEvent.ENTER;
294 break;
295 case SWT.MouseExit:
296 type = MouseEvent.EXIT;
297 break;
298 case SWT.MouseHorizontalWheel:
299 type = MouseEvent.WHEEL;
300 break;
301 case SWT.MouseVerticalWheel:
302 type = MouseEvent.WHEEL;
303 break;
304 case SWT.MenuDetect:
305 break;
306 }
307 int button = SWTApplication.getButton(event);
308 int modifiers = SWTApplication.getModifiers(event);
309 switch (event.type) {
310 case SWT.MouseHorizontalWheel:
311 //TODO - horizontal mouse wheel not implemented
312 break;
313 case SWT.MouseVerticalWheel: {
314 //TODO - mouse wheel not implemented, these values are hard coded
315 Point point = canvas.toDisplay(event.x, event.y);
316 eventHandler.handleScrollEvent(this, time, event.x, event.y, point.x, point.y, 0, event.count, modifiers, 1, 1, 1, 1, 1, 1);
317 break;
318 }
319 case SWT.MenuDetect: {
320 //TODO - compute trigger, don't hard code
321 boolean isKeyboardTrigger = false;
322 Point point = canvas.toControl(event.x, event.y);
323 eventHandler.handleMenuEvent(this, point.x, point.y, event.x, event.y, isKeyboardTrigger);
324 break;
325 }
326 default: {
327 //TODO - compute trigger, don't hard code
328 boolean isPopupTrigger = false;
329 Point point = canvas.toDisplay(event.x, event.y);
330 eventHandler.handleMouseEvent(this, time, type, button, event.x, event.y, point.x, point.y, modifiers, isPopupTrigger, false);
331 }
332 }
333 }
334
335 //TODO - fix visibility
336 public void notifyDragStart(int button, int x, int y, int xAbs, int yAbs) {
337 super. notifyDragStart(button, x, y, xAbs, yAbs);
338 }
339
340 //TODO - fix visibility
341 public void notifyDragEnd(int performedAction) {
342 super.notifyDragEnd(performedAction) ;
343 }
344
345 //TODO - fix visibility
346 public int notifyDragEnter(int x, int y, int xAbs, int yAbs, int recommendedDropAction) {
347 return super.notifyDragEnter(x, y, xAbs, yAbs, recommendedDropAction);
348 }
349
350 //TODO - fix visibility
351 public int notifyDragOver(int x, int y, int xAbs, int yAbs, int recommendedDropAction) {
352 return super.notifyDragOver(x, y, xAbs, yAbs, recommendedDropAction);
353 }
354
355 //TODO - fix visibility
356 public void notifyDragLeave() {
357 super.notifyDragLeave();
358 }
359
360 //TODO - fix visibility
361 public int notifyDragDrop(int x, int y, int xAbs, int yAbs, int recommendedDropAction) {
362 return super.notifyDragDrop(x, y, xAbs, yAbs, recommendedDropAction);
363 }
364 }
365