111 }
112
113
114 public int getNumberOfScreens() {
115 return numScreens;
116 }
117
118 void select(long extra_mask) {
119 eventMask = extra_mask;
120 for (int screen = 0; screen < numScreens ; screen ++) {
121 selectPerScreen(screen,extra_mask);
122 }
123 }
124
125 void resetOwner(long owner, final int screen) {
126 XToolkit.awtLock();
127 try {
128 long display = XToolkit.getDisplay();
129 synchronized(this) {
130 setOwner(owner, screen);
131 if (log.isLoggable(PlatformLogger.FINE)) {
132 log.fine("New Selection Owner for screen " + screen + " = " + owner );
133 }
134 XlibWrapper.XSelectInput(display, owner, XConstants.StructureNotifyMask | eventMask);
135 XToolkit.addEventDispatcher(owner,
136 new XEventDispatcher() {
137 public void dispatchEvent(XEvent ev) {
138 dispatchSelectionEvent(ev, screen);
139 }
140 });
141
142 }
143 } finally {
144 XToolkit.awtUnlock();
145 }
146 }
147
148 void selectPerScreen(final int screen, long extra_mask) {
149 XToolkit.awtLock();
150 try {
151 try {
152 long display = XToolkit.getDisplay();
153 if (log.isLoggable(PlatformLogger.FINE)) {
154 log.fine("Grabbing XServer");
155 }
156 XlibWrapper.XGrabServer(display);
157
158 synchronized(this) {
159 String selection_name = getName()+"_S"+screen;
160 if (log.isLoggable(PlatformLogger.FINE)) {
161 log.fine("Screen = " + screen + " selection name = " + selection_name);
162 }
163 XAtom atom = XAtom.get(selection_name);
164 selectionMap.put(Long.valueOf(atom.getAtom()),this); // add mapping from atom to the instance of XMSelection
165 setAtom(atom,screen);
166 long owner = XlibWrapper.XGetSelectionOwner(display, atom.getAtom());
167 if (owner != 0) {
168 setOwner(owner, screen);
169 if (log.isLoggable(PlatformLogger.FINE)) {
170 log.fine("Selection Owner for screen " + screen + " = " + owner );
171 }
172 XlibWrapper.XSelectInput(display, owner, XConstants.StructureNotifyMask | extra_mask);
173 XToolkit.addEventDispatcher(owner,
174 new XEventDispatcher() {
175 public void dispatchEvent(XEvent ev) {
176 dispatchSelectionEvent(ev, screen);
177 }
178 });
179 }
180 }
181 }
182 catch (Exception e) {
183 e.printStackTrace();
184 }
185 finally {
186 if (log.isLoggable(PlatformLogger.FINE)) {
187 log.fine("UnGrabbing XServer");
188 }
189 XlibWrapper.XUngrabServer(XToolkit.getDisplay());
190 }
191 } finally {
192 XToolkit.awtUnlock();
193 }
194 }
195
196
197 static boolean processClientMessage(XEvent xev, int screen) {
198 XClientMessageEvent xce = xev.get_xclient();
199 if (xce.get_message_type() == XA_MANAGER.getAtom()) {
200 if (log.isLoggable(PlatformLogger.FINE)) {
201 log.fine("client messags = " + xce);
202 }
203 long timestamp = xce.get_data(0);
204 long atom = xce.get_data(1);
205 long owner = xce.get_data(2);
206 long data = xce.get_data(3);
207
208 XMSelection sel = getInstance(atom);
209 if (sel != null) {
210 sel.resetOwner(owner,screen);
211 sel.dispatchOwnerChangedEvent(xev,screen,owner,data, timestamp);
212 }
213 }
214 return false;
215 }
216
217 static boolean processRootEvent(XEvent xev, int screen) {
218 switch (xev.get_type()) {
219 case XConstants.ClientMessage: {
220 return processClientMessage(xev, screen);
289
290 synchronized long getOwner(int screen) {
291 if (owners != null) {
292 return owners[screen];
293 }
294 return 0;
295 }
296
297 synchronized void setOwner(long owner, int screen) {
298 if (owners != null) {
299 owners[screen] = owner;
300 }
301 }
302
303 synchronized String getName() {
304 return selectionName;
305 }
306
307
308 synchronized void dispatchSelectionChanged( XPropertyEvent ev, int screen) {
309 if (log.isLoggable(PlatformLogger.FINE)) {
310 log.fine("Selection Changed : Screen = " + screen + "Event =" + ev);
311 }
312 if (listeners != null) {
313 Iterator iter = listeners.iterator();
314 while (iter.hasNext()) {
315 XMSelectionListener disp = (XMSelectionListener) iter.next();
316 disp.selectionChanged(screen, this, ev.get_window(), ev);
317 }
318 }
319 }
320
321 synchronized void dispatchOwnerDeath(XDestroyWindowEvent de, int screen) {
322 if (log.isLoggable(PlatformLogger.FINE)) {
323 log.fine("Owner dead : Screen = " + screen + "Event =" + de);
324 }
325 if (listeners != null) {
326 Iterator iter = listeners.iterator();
327 while (iter.hasNext()) {
328 XMSelectionListener disp = (XMSelectionListener) iter.next();
329 disp.ownerDeath(screen, this, de.get_window());
330
331 }
332 }
333 }
334
335 void dispatchSelectionEvent(XEvent xev, int screen) {
336 if (log.isLoggable(PlatformLogger.FINE)) {
337 log.fine("Event =" + xev);
338 }
339 if (xev.get_type() == XConstants.DestroyNotify) {
340 XDestroyWindowEvent de = xev.get_xdestroywindow();
341 dispatchOwnerDeath( de, screen);
342 }
343 else if (xev.get_type() == XConstants.PropertyNotify) {
344 XPropertyEvent xpe = xev.get_xproperty();
345 dispatchSelectionChanged( xpe, screen);
346 }
347 }
348
349
350 synchronized void dispatchOwnerChangedEvent(XEvent ev, int screen, long owner, long data, long timestamp) {
351 if (listeners != null) {
352 Iterator iter = listeners.iterator();
353 while (iter.hasNext()) {
354 XMSelectionListener disp = (XMSelectionListener) iter.next();
355 disp.ownerChanged(screen,this, owner, data, timestamp);
356 }
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111 }
112
113
114 public int getNumberOfScreens() {
115 return numScreens;
116 }
117
118 void select(long extra_mask) {
119 eventMask = extra_mask;
120 for (int screen = 0; screen < numScreens ; screen ++) {
121 selectPerScreen(screen,extra_mask);
122 }
123 }
124
125 void resetOwner(long owner, final int screen) {
126 XToolkit.awtLock();
127 try {
128 long display = XToolkit.getDisplay();
129 synchronized(this) {
130 setOwner(owner, screen);
131 if (log.isLoggable(PlatformLogger.Level.FINE)) {
132 log.fine("New Selection Owner for screen " + screen + " = " + owner );
133 }
134 XlibWrapper.XSelectInput(display, owner, XConstants.StructureNotifyMask | eventMask);
135 XToolkit.addEventDispatcher(owner,
136 new XEventDispatcher() {
137 public void dispatchEvent(XEvent ev) {
138 dispatchSelectionEvent(ev, screen);
139 }
140 });
141
142 }
143 } finally {
144 XToolkit.awtUnlock();
145 }
146 }
147
148 void selectPerScreen(final int screen, long extra_mask) {
149 XToolkit.awtLock();
150 try {
151 try {
152 long display = XToolkit.getDisplay();
153 if (log.isLoggable(PlatformLogger.Level.FINE)) {
154 log.fine("Grabbing XServer");
155 }
156 XlibWrapper.XGrabServer(display);
157
158 synchronized(this) {
159 String selection_name = getName()+"_S"+screen;
160 if (log.isLoggable(PlatformLogger.Level.FINE)) {
161 log.fine("Screen = " + screen + " selection name = " + selection_name);
162 }
163 XAtom atom = XAtom.get(selection_name);
164 selectionMap.put(Long.valueOf(atom.getAtom()),this); // add mapping from atom to the instance of XMSelection
165 setAtom(atom,screen);
166 long owner = XlibWrapper.XGetSelectionOwner(display, atom.getAtom());
167 if (owner != 0) {
168 setOwner(owner, screen);
169 if (log.isLoggable(PlatformLogger.Level.FINE)) {
170 log.fine("Selection Owner for screen " + screen + " = " + owner );
171 }
172 XlibWrapper.XSelectInput(display, owner, XConstants.StructureNotifyMask | extra_mask);
173 XToolkit.addEventDispatcher(owner,
174 new XEventDispatcher() {
175 public void dispatchEvent(XEvent ev) {
176 dispatchSelectionEvent(ev, screen);
177 }
178 });
179 }
180 }
181 }
182 catch (Exception e) {
183 e.printStackTrace();
184 }
185 finally {
186 if (log.isLoggable(PlatformLogger.Level.FINE)) {
187 log.fine("UnGrabbing XServer");
188 }
189 XlibWrapper.XUngrabServer(XToolkit.getDisplay());
190 }
191 } finally {
192 XToolkit.awtUnlock();
193 }
194 }
195
196
197 static boolean processClientMessage(XEvent xev, int screen) {
198 XClientMessageEvent xce = xev.get_xclient();
199 if (xce.get_message_type() == XA_MANAGER.getAtom()) {
200 if (log.isLoggable(PlatformLogger.Level.FINE)) {
201 log.fine("client messags = " + xce);
202 }
203 long timestamp = xce.get_data(0);
204 long atom = xce.get_data(1);
205 long owner = xce.get_data(2);
206 long data = xce.get_data(3);
207
208 XMSelection sel = getInstance(atom);
209 if (sel != null) {
210 sel.resetOwner(owner,screen);
211 sel.dispatchOwnerChangedEvent(xev,screen,owner,data, timestamp);
212 }
213 }
214 return false;
215 }
216
217 static boolean processRootEvent(XEvent xev, int screen) {
218 switch (xev.get_type()) {
219 case XConstants.ClientMessage: {
220 return processClientMessage(xev, screen);
289
290 synchronized long getOwner(int screen) {
291 if (owners != null) {
292 return owners[screen];
293 }
294 return 0;
295 }
296
297 synchronized void setOwner(long owner, int screen) {
298 if (owners != null) {
299 owners[screen] = owner;
300 }
301 }
302
303 synchronized String getName() {
304 return selectionName;
305 }
306
307
308 synchronized void dispatchSelectionChanged( XPropertyEvent ev, int screen) {
309 if (log.isLoggable(PlatformLogger.Level.FINE)) {
310 log.fine("Selection Changed : Screen = " + screen + "Event =" + ev);
311 }
312 if (listeners != null) {
313 Iterator iter = listeners.iterator();
314 while (iter.hasNext()) {
315 XMSelectionListener disp = (XMSelectionListener) iter.next();
316 disp.selectionChanged(screen, this, ev.get_window(), ev);
317 }
318 }
319 }
320
321 synchronized void dispatchOwnerDeath(XDestroyWindowEvent de, int screen) {
322 if (log.isLoggable(PlatformLogger.Level.FINE)) {
323 log.fine("Owner dead : Screen = " + screen + "Event =" + de);
324 }
325 if (listeners != null) {
326 Iterator iter = listeners.iterator();
327 while (iter.hasNext()) {
328 XMSelectionListener disp = (XMSelectionListener) iter.next();
329 disp.ownerDeath(screen, this, de.get_window());
330
331 }
332 }
333 }
334
335 void dispatchSelectionEvent(XEvent xev, int screen) {
336 if (log.isLoggable(PlatformLogger.Level.FINE)) {
337 log.fine("Event =" + xev);
338 }
339 if (xev.get_type() == XConstants.DestroyNotify) {
340 XDestroyWindowEvent de = xev.get_xdestroywindow();
341 dispatchOwnerDeath( de, screen);
342 }
343 else if (xev.get_type() == XConstants.PropertyNotify) {
344 XPropertyEvent xpe = xev.get_xproperty();
345 dispatchSelectionChanged( xpe, screen);
346 }
347 }
348
349
350 synchronized void dispatchOwnerChangedEvent(XEvent ev, int screen, long owner, long data, long timestamp) {
351 if (listeners != null) {
352 Iterator iter = listeners.iterator();
353 while (iter.hasNext()) {
354 XMSelectionListener disp = (XMSelectionListener) iter.next();
355 disp.ownerChanged(screen,this, owner, data, timestamp);
356 }
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