1 /*
2 * Copyright (c) 2003, 2008, 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 /**
28 * Ported from awt_wm.c, SCCS v1.11, author Valeriy Ushakov
29 * Author: Denis Mikhalkin
30 */
31 package sun.awt.X11;
32
33 import sun.misc.Unsafe;
34 import java.awt.Insets;
35 import java.awt.Frame;
36 import java.awt.Rectangle;
37 import java.util.Collection;
38 import java.util.HashMap;
39 import java.util.LinkedList;
40 import java.util.regex.Matcher;
41 import java.util.regex.Pattern;
42 import sun.util.logging.PlatformLogger;
43
44
45 /**
46 * Class incapsulating knowledge about window managers in general
47 * Descendants should provide some information about specific window manager.
48 */
49 final class XWM
50 {
51
52 private final static PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XWM");
53 private final static PlatformLogger insLog = PlatformLogger.getLogger("sun.awt.X11.insets.XWM");
54 private final static PlatformLogger stateLog = PlatformLogger.getLogger("sun.awt.X11.states.XWM");
55
56 static final XAtom XA_MWM_HINTS = new XAtom();
57
58 private static Unsafe unsafe = XlibWrapper.unsafe;
59
60
61 /* Good old ICCCM */
62 static XAtom XA_WM_STATE = new XAtom();
63
64
65 XAtom XA_UTF8_STRING = XAtom.get("UTF8_STRING"); /* like STRING but encoding is UTF-8 */
66
67 /* Currently we only care about max_v and max_h in _NET_WM_STATE */
68 final static int AWT_NET_N_KNOWN_STATES=2;
69
70 /* Enlightenment */
71 final static XAtom XA_E_FRAME_SIZE = new XAtom();
72
73 /* KWin (KDE2) */
74 final static XAtom XA_KDE_NET_WM_FRAME_STRUT = new XAtom();
75
76 /* KWM (KDE 1.x) OBSOLETE??? */
77 final static XAtom XA_KWM_WIN_ICONIFIED = new XAtom();
78 final static XAtom XA_KWM_WIN_MAXIMIZED = new XAtom();
79
80 /* OpenLook */
81 final static XAtom XA_OL_DECOR_DEL = new XAtom();
82 final static XAtom XA_OL_DECOR_HEADER = new XAtom();
83 final static XAtom XA_OL_DECOR_RESIZE = new XAtom();
84 final static XAtom XA_OL_DECOR_PIN = new XAtom();
85 final static XAtom XA_OL_DECOR_CLOSE = new XAtom();
86
87 /* EWMH */
88 final static XAtom XA_NET_FRAME_EXTENTS = new XAtom();
89 final static XAtom XA_NET_REQUEST_FRAME_EXTENTS = new XAtom();
90
91 final static int
92 UNDETERMINED_WM = 1,
93 NO_WM = 2,
94 OTHER_WM = 3,
95 OPENLOOK_WM = 4,
96 MOTIF_WM = 5,
97 CDE_WM = 6,
98 ENLIGHTEN_WM = 7,
99 KDE2_WM = 8,
100 SAWFISH_WM = 9,
101 ICE_WM = 10,
102 METACITY_WM = 11,
103 COMPIZ_WM = 12,
104 LG3D_WM = 13,
105 CWM_WM = 14,
106 MUTTER_WM = 15;
107 public String toString() {
108 switch (WMID) {
109 case NO_WM:
110 return "NO WM";
111 case OTHER_WM:
112 return "Other WM";
113 case OPENLOOK_WM:
114 return "OPENLOOK";
115 case MOTIF_WM:
116 return "MWM";
117 case CDE_WM:
118 return "DTWM";
119 case ENLIGHTEN_WM:
120 return "Enlightenment";
121 case KDE2_WM:
122 return "KWM2";
123 case SAWFISH_WM:
124 return "Sawfish";
125 case ICE_WM:
126 return "IceWM";
127 case METACITY_WM:
128 return "Metacity";
129 case COMPIZ_WM:
130 return "Compiz";
131 case LG3D_WM:
132 return "LookingGlass";
133 case CWM_WM:
134 return "CWM";
135 case MUTTER_WM:
136 return "Mutter";
137 case UNDETERMINED_WM:
138 default:
139 return "Undetermined WM";
140 }
141 }
142
143
144 int WMID;
145 static final Insets zeroInsets = new Insets(0, 0, 0, 0);
146 static final Insets defaultInsets = new Insets(25, 5, 5, 5);
147
148 XWM(int WMID) {
149 this.WMID = WMID;
150 initializeProtocols();
151 if (log.isLoggable(PlatformLogger.FINE)) {
152 log.fine("Window manager: " + toString());
153 }
154 }
155 int getID() {
156 return WMID;
157 }
158
159
160 static Insets normalize(Insets insets) {
161 if (insets.top > 64 || insets.top < 0) {
162 insets.top = 28;
163 }
164 if (insets.left > 32 || insets.left < 0) {
165 insets.left = 6;
166 }
167 if (insets.right > 32 || insets.right < 0) {
168 insets.right = 6;
169 }
170 if (insets.bottom > 32 || insets.bottom < 0) {
171 insets.bottom = 6;
172 }
173 return insets;
174 }
175
176 static XNETProtocol g_net_protocol = null;
177 static XWINProtocol g_win_protocol = null;
178 static boolean isNetWMName(String name) {
179 if (g_net_protocol != null) {
180 return g_net_protocol.isWMName(name);
181 } else {
182 return false;
183 }
184 }
185
186 static void initAtoms() {
187 final Object[][] atomInitList ={
188 { XA_WM_STATE, "WM_STATE" },
189
190 { XA_KDE_NET_WM_FRAME_STRUT, "_KDE_NET_WM_FRAME_STRUT" },
191
192 { XA_E_FRAME_SIZE, "_E_FRAME_SIZE" },
193
194 { XA_KWM_WIN_ICONIFIED, "KWM_WIN_ICONIFIED" },
195 { XA_KWM_WIN_MAXIMIZED, "KWM_WIN_MAXIMIZED" },
196
197 { XA_OL_DECOR_DEL, "_OL_DECOR_DEL" },
198 { XA_OL_DECOR_HEADER, "_OL_DECOR_HEADER" },
199 { XA_OL_DECOR_RESIZE, "_OL_DECOR_RESIZE" },
200 { XA_OL_DECOR_PIN, "_OL_DECOR_PIN" },
201 { XA_OL_DECOR_CLOSE, "_OL_DECOR_CLOSE" },
202 { XA_MWM_HINTS, "_MOTIF_WM_HINTS" },
203 { XA_NET_FRAME_EXTENTS, "_NET_FRAME_EXTENTS" },
204 { XA_NET_REQUEST_FRAME_EXTENTS, "_NET_REQUEST_FRAME_EXTENTS" },
205 };
206
207 String[] names = new String[atomInitList.length];
208 for (int index = 0; index < names.length; index++) {
209 names[index] = (String)atomInitList[index][1];
210 }
211
212 int atomSize = XAtom.getAtomSize();
213 long atoms = unsafe.allocateMemory(names.length*atomSize);
214 XToolkit.awtLock();
215 try {
216 int status = XlibWrapper.XInternAtoms(XToolkit.getDisplay(), names, false, atoms);
217 if (status == 0) {
218 return;
219 }
220 for (int atom = 0, atomPtr = 0; atom < names.length; atom++, atomPtr += atomSize) {
221 ((XAtom)(atomInitList[atom][0])).setValues(XToolkit.getDisplay(), names[atom], XAtom.getAtom(atoms + atomPtr));
222 }
223 } finally {
224 XToolkit.awtUnlock();
225 unsafe.freeMemory(atoms);
226 }
227 }
228
229 /*
230 * MUST BE CALLED UNDER AWTLOCK.
231 *
232 * If *any* window manager is running?
233 *
234 * According to ICCCM 2.0 section 4.3.
235 * WM will acquire ownership of a selection named WM_Sn, where n is
236 * the screen number.
237 *
238 * No selection owner, but, perhaps it is not ICCCM compliant WM
239 * (e.g. CDE/Sawfish).
240 * Try selecting for SubstructureRedirect, that only one client
241 * can select for, and if the request fails, than some other WM is
242 * already running.
243 *
244 * We also treat eXcursion as NO_WM.
245 */
246 private static boolean isNoWM() {
247 /*
248 * Quick checks for specific servers.
249 */
250 String vendor_string = XlibWrapper.ServerVendor(XToolkit.getDisplay());
251 if (vendor_string.indexOf("eXcursion") != -1) {
252 /*
253 * Use NO_WM since in all other aspects eXcursion is like not
254 * having a window manager running. I.e. it does not reparent
255 * top level shells.
256 */
257 if (insLog.isLoggable(PlatformLogger.FINER)) {
258 insLog.finer("eXcursion means NO_WM");
259 }
260 return true;
261 }
262
263 XSetWindowAttributes substruct = new XSetWindowAttributes();
264 try {
265 /*
266 * Let's check an owner of WM_Sn selection for the default screen.
267 */
268 final long default_screen_number =
269 XlibWrapper.DefaultScreen(XToolkit.getDisplay());
270 final String selection_name = "WM_S" + default_screen_number;
271
272 long selection_owner =
273 XlibWrapper.XGetSelectionOwner(XToolkit.getDisplay(),
274 XAtom.get(selection_name).getAtom());
275 if (insLog.isLoggable(PlatformLogger.FINER)) {
276 insLog.finer("selection owner of " + selection_name
277 + " is " + selection_owner);
278 }
279
280 if (selection_owner != XConstants.None) {
281 return false;
282 }
283
284 winmgr_running = false;
285 substruct.set_event_mask(XConstants.SubstructureRedirectMask);
286
287 XToolkit.WITH_XERROR_HANDLER(detectWMHandler);
288 XlibWrapper.XChangeWindowAttributes(XToolkit.getDisplay(),
289 XToolkit.getDefaultRootWindow(),
290 XConstants.CWEventMask,
291 substruct.pData);
292 XToolkit.RESTORE_XERROR_HANDLER();
293
294 /*
295 * If no WM is running then our selection for SubstructureRedirect
296 * succeeded and needs to be undone (hey we are *not* a WM ;-).
297 */
298 if (!winmgr_running) {
299 substruct.set_event_mask(0);
300 XlibWrapper.XChangeWindowAttributes(XToolkit.getDisplay(),
301 XToolkit.getDefaultRootWindow(),
302 XConstants.CWEventMask,
303 substruct.pData);
304 if (insLog.isLoggable(PlatformLogger.FINER)) {
305 insLog.finer("It looks like there is no WM thus NO_WM");
306 }
307 }
308
309 return !winmgr_running;
310 } finally {
311 substruct.dispose();
312 }
313 }
314
315 static XAtom XA_ENLIGHTENMENT_COMMS = new XAtom("ENLIGHTENMENT_COMMS", false);
316 /*
317 * Helper function for isEnlightenment().
318 * Enlightenment uses STRING property for its comms window id. Gaaa!
319 * The property is ENLIGHTENMENT_COMMS, STRING/8 and the string format
320 * is "WINID %8x". Gee, I haven't been using scanf for *ages*... :-)
321 */
322 static long getECommsWindowIDProperty(long window) {
323
324 if (!XA_ENLIGHTENMENT_COMMS.isInterned()) {
325 return 0;
326 }
327
328 WindowPropertyGetter getter =
329 new WindowPropertyGetter(window, XA_ENLIGHTENMENT_COMMS, 0, 14, false,
330 XAtom.XA_STRING);
331 try {
332 int status = getter.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance());
333 if (status != XConstants.Success || getter.getData() == 0) {
334 return 0;
335 }
336
337 if (getter.getActualType() != XAtom.XA_STRING
338 || getter.getActualFormat() != 8
339 || getter.getNumberOfItems() != 14 || getter.getBytesAfter() != 0)
340 {
341 return 0;
342 }
343
344 // Convert data to String, ASCII
345 byte[] bytes = XlibWrapper.getStringBytes(getter.getData());
346 String id = new String(bytes);
347
348 if (log.isLoggable(PlatformLogger.FINER)) {
349 log.finer("ENLIGHTENMENT_COMMS is " + id);
350 }
351
352 // Parse WINID
353 Pattern winIdPat = Pattern.compile("WINID\\s+(\\p{XDigit}{0,8})");
354 try {
355 Matcher match = winIdPat.matcher(id);
356 if (match.matches()) {
357 if (log.isLoggable(PlatformLogger.FINEST)) {
358 log.finest("Match group count: " + match.groupCount());
359 }
360 String longId = match.group(1);
361 if (log.isLoggable(PlatformLogger.FINEST)) {
362 log.finest("Match group 1 " + longId);
363 }
364 long winid = Long.parseLong(longId, 16);
365 if (log.isLoggable(PlatformLogger.FINER)) {
366 log.finer("Enlightenment communication window " + winid);
367 }
368 return winid;
369 } else {
370 log.finer("ENLIGHTENMENT_COMMS has wrong format");
371 return 0;
372 }
373 } catch (Exception e) {
374 if (log.isLoggable(PlatformLogger.FINER)) {
375 e.printStackTrace();
376 }
377 return 0;
378 }
379 } finally {
380 getter.dispose();
381 }
382 }
383
384 /*
385 * Is Enlightenment WM running? Congruent to awt_wm_checkAnchor, but
386 * uses STRING property peculiar to Enlightenment.
387 */
388 static boolean isEnlightenment() {
389
390 long root_xref = getECommsWindowIDProperty(XToolkit.getDefaultRootWindow());
391 if (root_xref == 0) {
392 return false;
393 }
394
395 long self_xref = getECommsWindowIDProperty(root_xref);
396 if (self_xref != root_xref) {
397 return false;
398 }
399
400 return true;
401 }
402
403 /*
404 * Is CDE running?
405 *
406 * XXX: This is hairy... CDE is MWM as well. It seems we simply test
407 * for default setup and will be bitten if user changes things...
408 *
409 * Check for _DT_SM_WINDOW_INFO(_DT_SM_WINDOW_INFO) on root. Take the
410 * second element of the property and check for presence of
411 * _DT_SM_STATE_INFO(_DT_SM_STATE_INFO) on that window.
412 *
413 * XXX: Any header that defines this structures???
414 */
415 static final XAtom XA_DT_SM_WINDOW_INFO = new XAtom("_DT_SM_WINDOW_INFO", false);
416 static final XAtom XA_DT_SM_STATE_INFO = new XAtom("_DT_SM_STATE_INFO", false);
417 static boolean isCDE() {
418
419 if (!XA_DT_SM_WINDOW_INFO.isInterned()) {
420 log.finer("{0} is not interned", XA_DT_SM_WINDOW_INFO);
421 return false;
422 }
423
424 WindowPropertyGetter getter =
425 new WindowPropertyGetter(XToolkit.getDefaultRootWindow(),
426 XA_DT_SM_WINDOW_INFO, 0, 2,
427 false, XA_DT_SM_WINDOW_INFO);
428 try {
429 int status = getter.execute();
430 if (status != XConstants.Success || getter.getData() == 0) {
431 log.finer("Getting of _DT_SM_WINDOW_INFO is not successfull");
432 return false;
433 }
434 if (getter.getActualType() != XA_DT_SM_WINDOW_INFO.getAtom()
435 || getter.getActualFormat() != 32
436 || getter.getNumberOfItems() != 2 || getter.getBytesAfter() != 0)
437 {
438 log.finer("Wrong format of _DT_SM_WINDOW_INFO");
439 return false;
440 }
441
442 long wmwin = Native.getWindow(getter.getData(), 1); //unsafe.getInt(getter.getData()+4);
443
444 if (wmwin == 0) {
445 log.fine("WARNING: DT_SM_WINDOW_INFO exists but returns zero windows");
446 return false;
447 }
448
449 /* Now check that this window has _DT_SM_STATE_INFO (ignore contents) */
450 if (!XA_DT_SM_STATE_INFO.isInterned()) {
451 log.finer("{0} is not interned", XA_DT_SM_STATE_INFO);
452 return false;
453 }
454 WindowPropertyGetter getter2 =
455 new WindowPropertyGetter(wmwin, XA_DT_SM_STATE_INFO, 0, 1,
456 false, XA_DT_SM_STATE_INFO);
457 try {
458 status = getter2.execute(XErrorHandler.IgnoreBadWindowHandler.getInstance());
459
460
461 if (status != XConstants.Success || getter2.getData() == 0) {
462 log.finer("Getting of _DT_SM_STATE_INFO is not successfull");
463 return false;
464 }
465 if (getter2.getActualType() != XA_DT_SM_STATE_INFO.getAtom()
466 || getter2.getActualFormat() != 32)
467 {
468 log.finer("Wrong format of _DT_SM_STATE_INFO");
469 return false;
470 }
471
472 return true;
473 } finally {
474 getter2.dispose();
475 }
476 } finally {
477 getter.dispose();
478 }
479 }
480
481 /*
482 * Is MWM running? (Note that CDE will test positive as well).
483 *
484 * Check for _MOTIF_WM_INFO(_MOTIF_WM_INFO) on root. Take the
485 * second element of the property and check for presence of
486 * _DT_SM_STATE_INFO(_DT_SM_STATE_INFO) on that window.
487 */
488 static final XAtom XA_MOTIF_WM_INFO = new XAtom("_MOTIF_WM_INFO", false);
489 static final XAtom XA_DT_WORKSPACE_CURRENT = new XAtom("_DT_WORKSPACE_CURRENT", false);
490 static boolean isMotif() {
491
492 if (!(XA_MOTIF_WM_INFO.isInterned()/* && XA_DT_WORKSPACE_CURRENT.isInterned()*/) ) {
493 return false;
494 }
495
496 WindowPropertyGetter getter =
497 new WindowPropertyGetter(XToolkit.getDefaultRootWindow(),
498 XA_MOTIF_WM_INFO, 0,
499 MWMConstants.PROP_MOTIF_WM_INFO_ELEMENTS,
500 false, XA_MOTIF_WM_INFO);
501 try {
502 int status = getter.execute();
503
504 if (status != XConstants.Success || getter.getData() == 0) {
505 return false;
506 }
507
508 if (getter.getActualType() != XA_MOTIF_WM_INFO.getAtom()
509 || getter.getActualFormat() != 32
510 || getter.getNumberOfItems() != MWMConstants.PROP_MOTIF_WM_INFO_ELEMENTS
511 || getter.getBytesAfter() != 0)
512 {
513 return false;
514 }
515
516 long wmwin = Native.getLong(getter.getData(), 1);
517 if (wmwin != 0) {
518 if (XA_DT_WORKSPACE_CURRENT.isInterned()) {
519 /* Now check that this window has _DT_WORKSPACE_CURRENT */
520 XAtom[] curws = XA_DT_WORKSPACE_CURRENT.getAtomListProperty(wmwin);
521 if (curws.length == 0) {
522 return false;
523 }
524 return true;
525 } else {
526 // No DT_WORKSPACE, however in our tests MWM sometimes can be without desktop -
527 // and that is still MWM. So simply check for the validity of this window
528 // (through WM_STATE property).
529 WindowPropertyGetter state_getter =
530 new WindowPropertyGetter(wmwin,
531 XA_WM_STATE,
532 0, 1, false,
533 XA_WM_STATE);
534 try {
535 if (state_getter.execute() == XConstants.Success &&
536 state_getter.getData() != 0 &&
537 state_getter.getActualType() == XA_WM_STATE.getAtom())
538 {
539 return true;
540 }
541 } finally {
542 state_getter.dispose();
543 }
544 }
545 }
546 } finally {
547 getter.dispose();
548 }
549 return false;
550 }
551
552 /*
553 * Is Sawfish running?
554 */
555 static boolean isSawfish() {
556 return isNetWMName("Sawfish");
557 }
558
559 /*
560 * Is KDE2 (KWin) running?
561 */
562 static boolean isKDE2() {
563 return isNetWMName("KWin");
564 }
565
566 static boolean isCompiz() {
567 return isNetWMName("compiz");
568 }
569
570 static boolean isLookingGlass() {
571 return isNetWMName("LG3D");
572 }
573
574 static boolean isCWM() {
575 return isNetWMName("CWM");
576 }
577
578 /*
579 * Is Metacity running?
580 */
581 static boolean isMetacity() {
582 return isNetWMName("Metacity");
583 // || (
584 // XA_NET_SUPPORTING_WM_CHECK.
585 // getIntProperty(XToolkit.getDefaultRootWindow(), XA_NET_SUPPORTING_WM_CHECK.
586 // getIntProperty(XToolkit.getDefaultRootWindow(), XAtom.XA_CARDINAL)) == 0);
587 }
588
589 static boolean isMutter() {
590 return isNetWMName("Mutter");
591 }
592
593 static boolean isNonReparentingWM() {
594 return (XWM.getWMID() == XWM.COMPIZ_WM || XWM.getWMID() == XWM.LG3D_WM || XWM.getWMID() == XWM.CWM_WM);
595 }
596
597 /*
598 * Prepare IceWM check.
599 *
600 * The only way to detect IceWM, seems to be by setting
601 * _ICEWM_WINOPTHINT(_ICEWM_WINOPTHINT/8) on root and checking if it
602 * was immediately deleted by IceWM.
603 *
604 * But messing with PropertyNotify here is way too much trouble, so
605 * approximate the check by setting the property in this function and
606 * checking if it still exists later on.
607 *
608 * Gaa, dirty dances...
609 */
610 static final XAtom XA_ICEWM_WINOPTHINT = new XAtom("_ICEWM_WINOPTHINT", false);
611 static final char opt[] = {
612 'A','W','T','_','I','C','E','W','M','_','T','E','S','T','\0',
613 'a','l','l','W','o','r','k','s','p','a','c','e','s','\0',
614 '0','\0'
615 };
616 static boolean prepareIsIceWM() {
617 /*
618 * Choose something innocuous: "AWT_ICEWM_TEST allWorkspaces 0".
619 * IceWM expects "class\0option\0arg\0" with zero bytes as delimiters.
620 */
621
622 if (!XA_ICEWM_WINOPTHINT.isInterned()) {
623 log.finer("{0} is not interned", XA_ICEWM_WINOPTHINT);
624 return false;
625 }
626
627 XToolkit.awtLock();
628 try {
629 XToolkit.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance());
630 XlibWrapper.XChangePropertyS(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
631 XA_ICEWM_WINOPTHINT.getAtom(),
632 XA_ICEWM_WINOPTHINT.getAtom(),
633 8, XConstants.PropModeReplace,
634 new String(opt));
635 XToolkit.RESTORE_XERROR_HANDLER();
636
637 if (XToolkit.saved_error != null && XToolkit.saved_error.get_error_code() != XConstants.Success) {
638 log.finer("Erorr getting XA_ICEWM_WINOPTHINT property");
639 return false;
640 }
641 log.finer("Prepared for IceWM detection");
642 return true;
643 } finally {
644 XToolkit.awtUnlock();
645 }
646 }
647
648 /*
649 * Is IceWM running?
650 *
651 * Note well: Only call this if awt_wm_prepareIsIceWM succeeded, or a
652 * false positive will be reported.
653 */
654 static boolean isIceWM() {
655 if (!XA_ICEWM_WINOPTHINT.isInterned()) {
656 log.finer("{0} is not interned", XA_ICEWM_WINOPTHINT);
657 return false;
658 }
659
660 WindowPropertyGetter getter =
661 new WindowPropertyGetter(XToolkit.getDefaultRootWindow(),
662 XA_ICEWM_WINOPTHINT, 0, 0xFFFF,
663 true, XA_ICEWM_WINOPTHINT);
664 try {
665 int status = getter.execute();
666 boolean res = (status == XConstants.Success && getter.getActualType() != 0);
667 if (log.isLoggable(PlatformLogger.FINER)) {
668 log.finer("Status getting XA_ICEWM_WINOPTHINT: " + !res);
669 }
670 return !res || isNetWMName("IceWM");
671 } finally {
672 getter.dispose();
673 }
674 }
675
676 /*
677 * Is OpenLook WM running?
678 *
679 * This one is pretty lame, but the only property peculiar to OLWM is
680 * _SUN_WM_PROTOCOLS(ATOM[]). Fortunately, olwm deletes it on exit.
681 */
682 static final XAtom XA_SUN_WM_PROTOCOLS = new XAtom("_SUN_WM_PROTOCOLS", false);
683 static boolean isOpenLook() {
684 if (!XA_SUN_WM_PROTOCOLS.isInterned()) {
685 return false;
686 }
687
688 XAtom[] list = XA_SUN_WM_PROTOCOLS.getAtomListProperty(XToolkit.getDefaultRootWindow());
689 return (list.length != 0);
690 }
691
692 /*
693 * Temporary error handler that checks if selecting for
694 * SubstructureRedirect failed.
695 */
696 private static boolean winmgr_running = false;
697 private static XErrorHandler detectWMHandler = new XErrorHandler.XBaseErrorHandler() {
698 @Override
699 public int handleError(long display, XErrorEvent err) {
700 if ((err.get_request_code() == XProtocolConstants.X_ChangeWindowAttributes) &&
701 (err.get_error_code() == XConstants.BadAccess))
702 {
703 winmgr_running = true;
704 return 0;
705 }
706 return super.handleError(display, err);
707 }
708 };
709
710 /*
711 * Make an educated guess about running window manager.
712 * XXX: ideally, we should detect wm restart.
713 */
714 static int awt_wmgr = XWM.UNDETERMINED_WM;
715 static XWM wm;
716 static XWM getWM() {
717 if (wm == null) {
718 wm = new XWM(awt_wmgr = getWMID()/*XWM.OTHER_WM*/);
719 }
720 return wm;
721 }
722 static int getWMID() {
723 if (insLog.isLoggable(PlatformLogger.FINEST)) {
724 insLog.finest("awt_wmgr = " + awt_wmgr);
725 }
726 /*
727 * Ideally, we should support cases when a different WM is started
728 * during a Java app lifetime.
729 */
730
731 if (awt_wmgr != XWM.UNDETERMINED_WM) {
732 return awt_wmgr;
733 }
734
735 XSetWindowAttributes substruct = new XSetWindowAttributes();
736 XToolkit.awtLock();
737 try {
738 if (isNoWM()) {
739 awt_wmgr = XWM.NO_WM;
740 return awt_wmgr;
741 }
742
743 // Initialize _NET protocol - used to detect Window Manager.
744 // Later, WM will initialize its own version of protocol
745 XNETProtocol l_net_protocol = g_net_protocol = new XNETProtocol();
746 l_net_protocol.detect();
747 if (log.isLoggable(PlatformLogger.FINE) && l_net_protocol.active()) {
748 log.fine("_NET_WM_NAME is " + l_net_protocol.getWMName());
749 }
750 XWINProtocol win = g_win_protocol = new XWINProtocol();
751 win.detect();
752
753 /* actual check for IceWM to follow below */
754 boolean doIsIceWM = prepareIsIceWM(); /* and let IceWM to act */
755
756 /*
757 * Ok, some WM is out there. Check which one by testing for
758 * "distinguishing" atoms.
759 */
760 if (isEnlightenment()) {
761 awt_wmgr = XWM.ENLIGHTEN_WM;
762 } else if (isMetacity()) {
763 awt_wmgr = XWM.METACITY_WM;
764 } else if (isMutter()) {
765 awt_wmgr = XWM.MUTTER_WM;
766 } else if (isSawfish()) {
767 awt_wmgr = XWM.SAWFISH_WM;
768 } else if (isKDE2()) {
769 awt_wmgr =XWM.KDE2_WM;
770 } else if (isCompiz()) {
771 awt_wmgr = XWM.COMPIZ_WM;
772 } else if (isLookingGlass()) {
773 awt_wmgr = LG3D_WM;
774 } else if (isCWM()) {
775 awt_wmgr = CWM_WM;
776 } else if (doIsIceWM && isIceWM()) {
777 awt_wmgr = XWM.ICE_WM;
778 }
779 /*
780 * We don't check for legacy WM when we already know that WM
781 * supports WIN or _NET wm spec.
782 */
783 else if (l_net_protocol.active()) {
784 awt_wmgr = XWM.OTHER_WM;
785 } else if (win.active()) {
786 awt_wmgr = XWM.OTHER_WM;
787 }
788 /*
789 * Check for legacy WMs.
790 */
791 else if (isCDE()) { /* XXX: must come before isMotif */
792 awt_wmgr = XWM.CDE_WM;
793 } else if (isMotif()) {
794 awt_wmgr = XWM.MOTIF_WM;
795 } else if (isOpenLook()) {
796 awt_wmgr = XWM.OPENLOOK_WM;
797 } else {
798 awt_wmgr = XWM.OTHER_WM;
799 }
800
801 return awt_wmgr;
802 } finally {
803 XToolkit.awtUnlock();
804 substruct.dispose();
805 }
806 }
807
808
809 /*****************************************************************************\
810 *
811 * Size and decoration hints ...
812 *
813 \*****************************************************************************/
814
815
816 /*
817 * Remove size hints specified by the mask.
818 * XXX: Why do we need this in the first place???
819 */
820 static void removeSizeHints(XDecoratedPeer window, long mask) {
821 mask &= XUtilConstants.PMaxSize | XUtilConstants.PMinSize;
822
823 XToolkit.awtLock();
824 try {
825 XSizeHints hints = window.getHints();
826 if ((hints.get_flags() & mask) == 0) {
827 return;
828 }
829
830 hints.set_flags(hints.get_flags() & ~mask);
831 if (insLog.isLoggable(PlatformLogger.FINER)) {
832 insLog.finer("Setting hints, flags " + XlibWrapper.hintsToString(hints.get_flags()));
833 }
834 XlibWrapper.XSetWMNormalHints(XToolkit.getDisplay(),
835 window.getWindow(),
836 hints.pData);
837 } finally {
838 XToolkit.awtUnlock();
839 }
840 }
841
842 /*
843 * If MWM_DECOR_ALL bit is set, then the rest of the bit-mask is taken
844 * to be subtracted from the decorations. Normalize decoration spec
845 * so that we can map motif decor to something else bit-by-bit in the
846 * rest of the code.
847 */
848 static int normalizeMotifDecor(int decorations) {
849 if ((decorations & MWMConstants.MWM_DECOR_ALL) == 0) {
850 return decorations;
851 }
852 int d = MWMConstants.MWM_DECOR_BORDER | MWMConstants.MWM_DECOR_RESIZEH
853 | MWMConstants.MWM_DECOR_TITLE
854 | MWMConstants.MWM_DECOR_MENU | MWMConstants.MWM_DECOR_MINIMIZE
855 | MWMConstants.MWM_DECOR_MAXIMIZE;
856 d &= ~decorations;
857 return d;
858 }
859
860 /*
861 * If MWM_FUNC_ALL bit is set, then the rest of the bit-mask is taken
862 * to be subtracted from the functions. Normalize function spec
863 * so that we can map motif func to something else bit-by-bit in the
864 * rest of the code.
865 */
866 static int normalizeMotifFunc(int functions) {
867 if ((functions & MWMConstants.MWM_FUNC_ALL) == 0) {
868 return functions;
869 }
870 int f = MWMConstants.MWM_FUNC_RESIZE |
871 MWMConstants.MWM_FUNC_MOVE |
872 MWMConstants.MWM_FUNC_MAXIMIZE |
873 MWMConstants.MWM_FUNC_MINIMIZE |
874 MWMConstants.MWM_FUNC_CLOSE;
875 f &= ~functions;
876 return f;
877 }
878
879 /*
880 * Infer OL properties from MWM decorations.
881 * Use _OL_DECOR_DEL(ATOM[]) to remove unwanted ones.
882 */
883 static void setOLDecor(XWindow window, boolean resizable, int decorations) {
884 if (window == null) {
885 return;
886 }
887
888 XAtomList decorDel = new XAtomList();
889 decorations = normalizeMotifDecor(decorations);
890 if (insLog.isLoggable(PlatformLogger.FINER)) {
891 insLog.finer("Setting OL_DECOR to " + Integer.toBinaryString(decorations));
892 }
893 if ((decorations & MWMConstants.MWM_DECOR_TITLE) == 0) {
894 decorDel.add(XA_OL_DECOR_HEADER);
895 }
896 if ((decorations & (MWMConstants.MWM_DECOR_RESIZEH | MWMConstants.MWM_DECOR_MAXIMIZE)) == 0) {
897 decorDel.add(XA_OL_DECOR_RESIZE);
898 }
899 if ((decorations & (MWMConstants.MWM_DECOR_MENU |
900 MWMConstants.MWM_DECOR_MAXIMIZE |
901 MWMConstants.MWM_DECOR_MINIMIZE)) == 0)
902 {
903 decorDel.add(XA_OL_DECOR_CLOSE);
904 }
905 if (decorDel.size() == 0) {
906 insLog.finer("Deleting OL_DECOR");
907 XA_OL_DECOR_DEL.DeleteProperty(window);
908 } else {
909 if (insLog.isLoggable(PlatformLogger.FINER)) {
910 insLog.finer("Setting OL_DECOR to " + decorDel);
911 }
912 XA_OL_DECOR_DEL.setAtomListProperty(window, decorDel);
913 }
914 }
915
916 /*
917 * Set MWM decorations. Set MWM functions depending on resizability.
918 */
919 static void setMotifDecor(XWindow window, boolean resizable, int decorations, int functions) {
920 /* Apparently some WMs don't implement MWM_*_ALL semantic correctly */
921 if ((decorations & MWMConstants.MWM_DECOR_ALL) != 0
922 && (decorations != MWMConstants.MWM_DECOR_ALL))
923 {
924 decorations = normalizeMotifDecor(decorations);
925 }
926 if ((functions & MWMConstants.MWM_FUNC_ALL) != 0
927 && (functions != MWMConstants.MWM_FUNC_ALL))
928 {
929 functions = normalizeMotifFunc(functions);
930 }
931
932 PropMwmHints hints = window.getMWMHints();
933 hints.set_flags(hints.get_flags() |
934 MWMConstants.MWM_HINTS_FUNCTIONS |
935 MWMConstants.MWM_HINTS_DECORATIONS);
936 hints.set_functions(functions);
937 hints.set_decorations(decorations);
938
939 if (stateLog.isLoggable(PlatformLogger.FINER)) {
940 stateLog.finer("Setting MWM_HINTS to " + hints);
941 }
942 window.setMWMHints(hints);
943 }
944
945 /*
946 * Under some window managers if shell is already mapped, we MUST
947 * unmap and later remap in order to effect the changes we make in the
948 * window manager decorations.
949 *
950 * N.B. This unmapping / remapping of the shell exposes a bug in
951 * X/Motif or the Motif Window Manager. When you attempt to map a
952 * widget which is positioned (partially) off-screen, the window is
953 * relocated to be entirely on screen. Good idea. But if both the x
954 * and the y coordinates are less than the origin (0,0), the first
955 * (re)map will move the window to the origin, and any subsequent
956 * (re)map will relocate the window at some other point on the screen.
957 * I have written a short Motif test program to discover this bug.
958 * This should occur infrequently and it does not cause any real
959 * problem. So for now we'll let it be.
960 */
961 static boolean needRemap(XDecoratedPeer window) {
962 // Don't remap EmbeddedFrame,
963 // e.g. for TrayIcon it causes problems.
964 return !window.isEmbedded();
965 }
966
967 /*
968 * Set decoration hints on the shell to wdata->decor adjusted
969 * appropriately if not resizable.
970 */
971 static void setShellDecor(XDecoratedPeer window) {
972 int decorations = window.getDecorations();
973 int functions = window.getFunctions();
974 boolean resizable = window.isResizable();
975
976 if (!resizable) {
977 if ((decorations & MWMConstants.MWM_DECOR_ALL) != 0) {
978 decorations |= MWMConstants.MWM_DECOR_RESIZEH | MWMConstants.MWM_DECOR_MAXIMIZE;
979 } else {
980 decorations &= ~(MWMConstants.MWM_DECOR_RESIZEH | MWMConstants.MWM_DECOR_MAXIMIZE);
981 }
982 }
983 setMotifDecor(window, resizable, decorations, functions);
984 setOLDecor(window, resizable, decorations);
985
986 /* Some WMs need remap to redecorate the window */
987 if (window.isShowing() && needRemap(window)) {
988 /*
989 * Do the re/mapping at the Xlib level. Since we essentially
990 * work around a WM bug we don't want this hack to be exposed
991 * to Intrinsics (i.e. don't mess with grabs, callbacks etc).
992 */
993 window.xSetVisible(false);
994 XToolkit.XSync();
995 window.xSetVisible(true);
996 }
997 }
998
999 /*
1000 * Make specified shell resizable.
1001 */
1002 static void setShellResizable(XDecoratedPeer window) {
1003 if (insLog.isLoggable(PlatformLogger.FINE)) {
1004 insLog.fine("Setting shell resizable " + window);
1005 }
1006 XToolkit.awtLock();
1007 try {
1008 Rectangle shellBounds = window.getShellBounds();
1009 shellBounds.translate(-window.currentInsets.left, -window.currentInsets.top);
1010 window.updateSizeHints(window.getDimensions());
1011 requestWMExtents(window.getWindow());
1012 XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), window.getShell(),
1013 shellBounds.x, shellBounds.y, shellBounds.width, shellBounds.height);
1014 /* REMINDER: will need to revisit when setExtendedStateBounds is added */
1015 //Fix for 4320050: Minimum size for java.awt.Frame is not being enforced.
1016 //We need to update frame's minimum size, not to reset it
1017 removeSizeHints(window, XUtilConstants.PMaxSize);
1018 window.updateMinimumSize();
1019
1020 /* Restore decorations */
1021 setShellDecor(window);
1022 } finally {
1023 XToolkit.awtUnlock();
1024 }
1025 }
1026
1027 /*
1028 * Make specified shell non-resizable.
1029 * If justChangeSize is false, update decorations as well.
1030 * @param shellBounds bounds of the shell window
1031 */
1032 static void setShellNotResizable(XDecoratedPeer window, WindowDimensions newDimensions, Rectangle shellBounds,
1033 boolean justChangeSize)
1034 {
1035 if (insLog.isLoggable(PlatformLogger.FINE)) {
1036 insLog.fine("Setting non-resizable shell " + window + ", dimensions " + newDimensions +
1037 ", shellBounds " + shellBounds +", just change size: " + justChangeSize);
1038 }
1039 XToolkit.awtLock();
1040 try {
1041 /* Fix min/max size hints at the specified values */
1042 if (!shellBounds.isEmpty()) {
1043 window.updateSizeHints(newDimensions);
1044 requestWMExtents(window.getWindow());
1045 XToolkit.XSync();
1046 XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), window.getShell(),
1047 shellBounds.x, shellBounds.y, shellBounds.width, shellBounds.height);
1048 }
1049 if (!justChangeSize) { /* update decorations */
1050 setShellDecor(window);
1051 }
1052 } finally {
1053 XToolkit.awtUnlock();
1054 }
1055 }
1056
1057 /*****************************************************************************\
1058 * Protocols support
1059 */
1060 private HashMap<Class<?>, Collection<?>> protocolsMap = new HashMap<Class<?>, Collection<?>>();
1061 /**
1062 * Returns all protocols supporting given protocol interface
1063 */
1064 <T> Collection<T> getProtocols(Class<T> protocolInterface) {
1065 Collection<T> res = (Collection<T>) protocolsMap.get(protocolInterface);
1066 if (res != null) {
1067 return res;
1068 } else {
1069 return new LinkedList<T>();
1070 }
1071 }
1072
1073 private <T> void addProtocol(Class<T> protocolInterface, T protocol) {
1074 Collection<T> protocols = getProtocols(protocolInterface);
1075 protocols.add(protocol);
1076 protocolsMap.put(protocolInterface, protocols);
1077 }
1078
1079 boolean supportsDynamicLayout() {
1080 int wm = getWMID();
1081 switch (wm) {
1082 case XWM.ENLIGHTEN_WM:
1083 case XWM.KDE2_WM:
1084 case XWM.SAWFISH_WM:
1085 case XWM.ICE_WM:
1086 case XWM.METACITY_WM:
1087 return true;
1088 case XWM.OPENLOOK_WM:
1089 case XWM.MOTIF_WM:
1090 case XWM.CDE_WM:
1091 return false;
1092 default:
1093 return false;
1094 }
1095 }
1096
1097
1098 /**
1099 * Check if state is supported.
1100 * Note that a compound state is always reported as not supported.
1101 * Note also that MAXIMIZED_BOTH is considered not a compound state.
1102 * Therefore, a compound state is just ICONIFIED | anything else.
1103 *
1104 */
1105 boolean supportsExtendedState(int state) {
1106 switch (state) {
1107 case Frame.MAXIMIZED_VERT:
1108 case Frame.MAXIMIZED_HORIZ:
1109 /*
1110 * WMs that talk NET/WIN protocol, but do not support
1111 * unidirectional maximization.
1112 */
1113 if (getWMID() == METACITY_WM) {
1114 /* "This is a deliberate policy decision." -hp */
1115 return false;
1116 }
1117 /* FALLTROUGH */
1118 case Frame.MAXIMIZED_BOTH:
1119 for (XStateProtocol proto : getProtocols(XStateProtocol.class)) {
1120 if (proto.supportsState(state)) {
1121 return true;
1122 }
1123 }
1124 default:
1125 return false;
1126 }
1127 }
1128
1129 /*****************************************************************************\
1130 *
1131 * Reading state from different protocols
1132 *
1133 \*****************************************************************************/
1134
1135
1136 int getExtendedState(XWindowPeer window) {
1137 int state = 0;
1138 for (XStateProtocol proto : getProtocols(XStateProtocol.class)) {
1139 state |= proto.getState(window);
1140 }
1141 if (state != 0) {
1142 return state;
1143 } else {
1144 return Frame.NORMAL;
1145 }
1146 }
1147
1148 /*****************************************************************************\
1149 *
1150 * Notice window state change when WM changes a property on the window ...
1151 *
1152 \*****************************************************************************/
1153
1154
1155 /*
1156 * Check if property change is a window state protocol message.
1157 */
1158 boolean isStateChange(XDecoratedPeer window, XPropertyEvent e) {
1159 if (!window.isShowing()) {
1160 stateLog.finer("Window is not showing");
1161 return false;
1162 }
1163
1164 int wm_state = window.getWMState();
1165 if (wm_state == XUtilConstants.WithdrawnState) {
1166 stateLog.finer("WithdrawnState");
1167 return false;
1168 } else {
1169 if (stateLog.isLoggable(PlatformLogger.FINER)) {
1170 stateLog.finer("Window WM_STATE is " + wm_state);
1171 }
1172 }
1173 boolean is_state_change = false;
1174 if (e.get_atom() == XA_WM_STATE.getAtom()) {
1175 is_state_change = true;
1176 }
1177
1178 for (XStateProtocol proto : getProtocols(XStateProtocol.class)) {
1179 is_state_change |= proto.isStateChange(e);
1180 if (stateLog.isLoggable(PlatformLogger.FINEST)) {
1181 stateLog.finest(proto + ": is state changed = " + is_state_change);
1182 }
1183 }
1184 return is_state_change;
1185 }
1186
1187 /*
1188 * Returns current state (including extended) of a given window.
1189 */
1190 int getState(XDecoratedPeer window) {
1191 int res = 0;
1192 final int wm_state = window.getWMState();
1193 if (wm_state == XUtilConstants.IconicState) {
1194 res = Frame.ICONIFIED;
1195 } else {
1196 res = Frame.NORMAL;
1197 }
1198 res |= getExtendedState(window);
1199 return res;
1200 }
1201
1202 /*****************************************************************************\
1203 *
1204 * Setting/changing window state ...
1205 *
1206 \*****************************************************************************/
1207
1208 /**
1209 * Moves window to the specified layer, layer is one of the constants defined
1210 * in XLayerProtocol
1211 */
1212 void setLayer(XWindowPeer window, int layer) {
1213 for (XLayerProtocol proto : getProtocols(XLayerProtocol.class)) {
1214 if (proto.supportsLayer(layer)) {
1215 proto.setLayer(window, layer);
1216 }
1217 }
1218 XToolkit.XSync();
1219 }
1220
1221 void setExtendedState(XWindowPeer window, int state) {
1222 for (XStateProtocol proto : getProtocols(XStateProtocol.class)) {
1223 if (proto.supportsState(state)) {
1224 proto.setState(window, state);
1225 break;
1226 }
1227 }
1228
1229 if (!window.isShowing()) {
1230 /*
1231 * Purge KWM bits.
1232 * Not really tested with KWM, only with WindowMaker.
1233 */
1234 XToolkit.awtLock();
1235 try {
1236 XlibWrapper.XDeleteProperty(XToolkit.getDisplay(),
1237 window.getWindow(),
1238 XA_KWM_WIN_ICONIFIED.getAtom());
1239 XlibWrapper.XDeleteProperty(XToolkit.getDisplay(),
1240 window.getWindow(),
1241 XA_KWM_WIN_MAXIMIZED.getAtom());
1242 }
1243 finally {
1244 XToolkit.awtUnlock();
1245 }
1246 }
1247 XToolkit.XSync();
1248 }
1249
1250
1251 /*
1252 * Work around for 4775545.
1253 *
1254 * If WM exits while the top-level is shaded, the shaded hint remains
1255 * on the top-level properties. When WM restarts and sees the shaded
1256 * window it can reparent it into a "pre-shaded" decoration frame
1257 * (Metacity does), and our insets logic will go crazy, b/c it will
1258 * see a huge nagative bottom inset. There's no clean solution for
1259 * this, so let's just be weasels and drop the shaded hint if we
1260 * detect that WM exited. NB: we are in for a race condition with WM
1261 * restart here. NB2: e.g. WindowMaker saves the state in a private
1262 * property that this code knows nothing about, so this workaround is
1263 * not effective; other WMs might play similar tricks.
1264 */
1265 void unshadeKludge(XDecoratedPeer window) {
1266 assert(window.isShowing());
1267
1268 for (XStateProtocol proto : getProtocols(XStateProtocol.class)) {
1269 proto.unshadeKludge(window);
1270 }
1271 XToolkit.XSync();
1272 }
1273
1274 static boolean inited = false;
1275 static void init() {
1276 if (inited) {
1277 return;
1278 }
1279
1280 initAtoms();
1281 getWM();
1282 inited = true;
1283 }
1284
1285 void initializeProtocols() {
1286 XNETProtocol net_protocol = g_net_protocol;
1287 if (net_protocol != null) {
1288 if (!net_protocol.active()) {
1289 net_protocol = null;
1290 } else {
1291 if (net_protocol.doStateProtocol()) {
1292 addProtocol(XStateProtocol.class, net_protocol);
1293 }
1294 if (net_protocol.doLayerProtocol()) {
1295 addProtocol(XLayerProtocol.class, net_protocol);
1296 }
1297 }
1298 }
1299
1300 XWINProtocol win = g_win_protocol;
1301 if (win != null) {
1302 if (win.active()) {
1303 if (win.doStateProtocol()) {
1304 addProtocol(XStateProtocol.class, win);
1305 }
1306 if (win.doLayerProtocol()) {
1307 addProtocol(XLayerProtocol.class, win);
1308 }
1309 }
1310 }
1311 }
1312
1313 HashMap storedInsets = new HashMap();
1314 Insets guessInsets(XDecoratedPeer window) {
1315 Insets res = (Insets)storedInsets.get(window.getClass());
1316 if (res == null) {
1317 switch (WMID) {
1318 case ENLIGHTEN_WM:
1319 res = new Insets(19, 4, 4, 4);
1320 break;
1321 case CDE_WM:
1322 res = new Insets(28, 6, 6, 6);
1323 break;
1324 case NO_WM:
1325 case LG3D_WM:
1326 res = zeroInsets;
1327 break;
1328 case MOTIF_WM:
1329 case OPENLOOK_WM:
1330 default:
1331 res = defaultInsets;
1332 }
1333 }
1334 if (insLog.isLoggable(PlatformLogger.FINEST)) {
1335 insLog.finest("WM guessed insets: " + res);
1336 }
1337 return res;
1338 }
1339 /*
1340 * Some buggy WMs ignore window gravity when processing
1341 * ConfigureRequest and position window as if the gravity is Static.
1342 * We work around this in MWindowPeer.pReshape().
1343 *
1344 * Starting with 1.5 we have introduced an Environment variable
1345 * _JAVA_AWT_WM_STATIC_GRAVITY that can be set to indicate to Java
1346 * explicitly that the WM has this behaviour, example is FVWM.
1347 */
1348
1349 static int awtWMStaticGravity = -1;
1350 static boolean configureGravityBuggy() {
1351
1352 if (awtWMStaticGravity == -1) {
1353 awtWMStaticGravity = (XToolkit.getEnv("_JAVA_AWT_WM_STATIC_GRAVITY") != null) ? 1 : 0;
1354 }
1355
1356 if (awtWMStaticGravity == 1) {
1357 return true;
1358 }
1359
1360 switch(getWMID()) {
1361 case XWM.ICE_WM:
1362 /*
1363 * See bug #228981 at IceWM's SourceForge pages.
1364 * Latest stable version 1.0.8-6 still has this problem.
1365 */
1366 /**
1367 * Version 1.2.2 doesn't have this problem
1368 */
1369 // Detect IceWM version
1370 if (g_net_protocol != null) {
1371 String wm_name = g_net_protocol.getWMName();
1372 Pattern pat = Pattern.compile("^IceWM (\\d+)\\.(\\d+)\\.(\\d+).*$");
1373 try {
1374 Matcher match = pat.matcher(wm_name);
1375 if (match.matches()) {
1376 int v1 = Integer.parseInt(match.group(1));
1377 int v2 = Integer.parseInt(match.group(2));
1378 int v3 = Integer.parseInt(match.group(3));
1379 return !(v1 > 1 || (v1 == 1 && (v2 > 2 || (v2 == 2 && v3 >=2))));
1380 }
1381 } catch (Exception e) {
1382 return true;
1383 }
1384 }
1385 return true;
1386 case XWM.ENLIGHTEN_WM:
1387 /* At least E16 is buggy. */
1388 return true;
1389 default:
1390 return false;
1391 }
1392 }
1393
1394 /*
1395 * @return if WM implements the insets property - returns insets with values
1396 * specified in that property, null otherwise.
1397 */
1398 public static Insets getInsetsFromExtents(long window) {
1399 if (window == XConstants.None) {
1400 return null;
1401 }
1402 XNETProtocol net_protocol = getWM().getNETProtocol();
1403 if (net_protocol != null && net_protocol.active()) {
1404 Insets insets = getInsetsFromProp(window, XA_NET_FRAME_EXTENTS);
1405 insLog.fine("_NET_FRAME_EXTENTS: {0}", insets);
1406
1407 if (insets != null) {
1408 return insets;
1409 }
1410 }
1411 switch(getWMID()) {
1412 case XWM.KDE2_WM:
1413 return getInsetsFromProp(window, XA_KDE_NET_WM_FRAME_STRUT);
1414 case XWM.ENLIGHTEN_WM:
1415 return getInsetsFromProp(window, XA_E_FRAME_SIZE);
1416 default:
1417 return null;
1418 }
1419 }
1420
1421 /**
1422 * Helper function reads property of type CARDINAL[4] = { left, right, top, bottom }
1423 * and converts it to Insets object.
1424 */
1425 public static Insets getInsetsFromProp(long window, XAtom atom) {
1426 if (window == XConstants.None) {
1427 return null;
1428 }
1429
1430 WindowPropertyGetter getter =
1431 new WindowPropertyGetter(window, atom,
1432 0, 4, false, XAtom.XA_CARDINAL);
1433 try {
1434 if (getter.execute() != XConstants.Success
1435 || getter.getData() == 0
1436 || getter.getActualType() != XAtom.XA_CARDINAL
1437 || getter.getActualFormat() != 32)
1438 {
1439 return null;
1440 } else {
1441 return new Insets((int)Native.getCard32(getter.getData(), 2), // top
1442 (int)Native.getCard32(getter.getData(), 0), // left
1443 (int)Native.getCard32(getter.getData(), 3), // bottom
1444 (int)Native.getCard32(getter.getData(), 1)); // right
1445 }
1446 } finally {
1447 getter.dispose();
1448 }
1449 }
1450
1451 /**
1452 * Asks WM to fill Frame Extents (insets) for the window.
1453 */
1454 public static void requestWMExtents(long window) {
1455 if (window == XConstants.None) { // not initialized
1456 return;
1457 }
1458
1459 log.fine("Requesting FRAME_EXTENTS");
1460
1461 XClientMessageEvent msg = new XClientMessageEvent();
1462 msg.zero();
1463 msg.set_type(XConstants.ClientMessage);
1464 msg.set_display(XToolkit.getDisplay());
1465 msg.set_window(window);
1466 msg.set_format(32);
1467 XToolkit.awtLock();
1468 try {
1469 XNETProtocol net_protocol = getWM().getNETProtocol();
1470 if (net_protocol != null && net_protocol.active()) {
1471 msg.set_message_type(XA_NET_REQUEST_FRAME_EXTENTS.getAtom());
1472 XlibWrapper.XSendEvent(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
1473 false,
1474 XConstants.SubstructureRedirectMask | XConstants.SubstructureNotifyMask,
1475 msg.getPData());
1476 }
1477 if (getWMID() == XWM.KDE2_WM) {
1478 msg.set_message_type(XA_KDE_NET_WM_FRAME_STRUT.getAtom());
1479 XlibWrapper.XSendEvent(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
1480 false,
1481 XConstants.SubstructureRedirectMask | XConstants.SubstructureNotifyMask,
1482 msg.getPData());
1483 }
1484 // XXX: should we wait for response? XIfEvent() would be useful here :)
1485 } finally {
1486 XToolkit.awtUnlock();
1487 msg.dispose();
1488 }
1489 }
1490
1491 /* syncTopLEvelPos() is necessary to insure that the window manager has in
1492 * fact moved us to our final position relative to the reParented WM window.
1493 * We have noted a timing window which our shell has not been moved so we
1494 * screw up the insets thinking they are 0,0. Wait (for a limited period of
1495 * time to let the WM hava a chance to move us.
1496 * @param window window ID of the shell, assuming it is the window
1497 * which will NOT have zero coordinates after the complete
1498 * reparenting
1499 */
1500 boolean syncTopLevelPos(long window, XWindowAttributes attrs) {
1501 int tries = 0;
1502 XToolkit.awtLock();
1503 try {
1504 do {
1505 XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(), window, attrs.pData);
1506 if (attrs.get_x() != 0 || attrs.get_y() != 0) {
1507 return true;
1508 }
1509 tries++;
1510 XToolkit.XSync();
1511 } while (tries < 50);
1512 }
1513 finally {
1514 XToolkit.awtUnlock();
1515 }
1516 return false;
1517 }
1518
1519 Insets getInsets(XDecoratedPeer win, long window, long parent) {
1520 /*
1521 * Unfortunately the concept of "insets" borrowed to AWT
1522 * from Win32 is *absolutely*, *unbelievably* foreign to
1523 * X11. Few WMs provide the size of frame decor
1524 * (i.e. insets) in a property they set on the client
1525 * window, so we check if we can get away with just
1526 * peeking at it. [Future versions of wm-spec might add a
1527 * standardized hint for this].
1528 *
1529 * Otherwise we do some special casing. Actually the
1530 * fallback code ("default" case) seems to cover most of
1531 * the existing WMs (modulo Reparent/Configure order
1532 * perhaps?).
1533 *
1534 * Fallback code tries to account for the two most common cases:
1535 *
1536 * . single reparenting
1537 * parent window is the WM frame
1538 * [twm, olwm, sawfish]
1539 *
1540 * . double reparenting
1541 * parent is a lining exactly the size of the client
1542 * grandpa is the WM frame
1543 * [mwm, e!, kwin, fvwm2 ... ]
1544 */
1545 Insets correctWM = XWM.getInsetsFromExtents(window);
1546 insLog.finer("Got insets from property: {0}", correctWM);
1547
1548 if (correctWM == null) {
1549 correctWM = new Insets(0,0,0,0);
1550
1551 correctWM.top = -1;
1552 correctWM.left = -1;
1553
1554 XWindowAttributes lwinAttr = new XWindowAttributes();
1555 XWindowAttributes pattr = new XWindowAttributes();
1556 try {
1557 switch (XWM.getWMID()) {
1558 /* should've been done in awt_wm_getInsetsFromProp */
1559 case XWM.ENLIGHTEN_WM: {
1560 /* enlightenment does double reparenting */
1561 syncTopLevelPos(parent, lwinAttr);
1562 correctWM.left = lwinAttr.get_x();
1563 correctWM.top = lwinAttr.get_y();
1564 /*
1565 * Now get the actual dimensions of the parent window
1566 * resolve the difference. We can't rely on the left
1567 * to be equal to right or bottom... Enlightment
1568 * breaks that assumption.
1569 */
1570 XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
1571 XlibUtil.getParentWindow(parent),
1572 pattr.pData);
1573 correctWM.right = pattr.get_width() -
1574 (lwinAttr.get_width() + correctWM.left);
1575 correctWM.bottom = pattr.get_height() -
1576 (lwinAttr.get_height() + correctWM.top);
1577
1578 break;
1579 }
1580 case XWM.ICE_WM: // for 1.2.2.
1581 case XWM.KDE2_WM: /* should've been done in getInsetsFromProp */
1582 case XWM.CDE_WM:
1583 case XWM.MOTIF_WM: {
1584 /* these are double reparenting too */
1585 if (syncTopLevelPos(parent, lwinAttr)) {
1586 correctWM.top = lwinAttr.get_y();
1587 correctWM.left = lwinAttr.get_x();
1588 correctWM.right = correctWM.left;
1589 correctWM.bottom = correctWM.left;
1590 } else {
1591 return null;
1592 }
1593 break;
1594 }
1595 case XWM.SAWFISH_WM:
1596 case XWM.OPENLOOK_WM: {
1597 /* single reparenting */
1598 syncTopLevelPos(window, lwinAttr);
1599 correctWM.top = lwinAttr.get_y();
1600 correctWM.left = lwinAttr.get_x();
1601 correctWM.right = correctWM.left;
1602 correctWM.bottom = correctWM.left;
1603 break;
1604 }
1605 case XWM.OTHER_WM:
1606 default: { /* this is very similar to the E! case above */
1607 insLog.finest("Getting correct insets for OTHER_WM/default, parent: {0}", parent);
1608 syncTopLevelPos(parent, lwinAttr);
1609 int status = XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
1610 window, lwinAttr.pData);
1611 status = XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
1612 parent, pattr.pData);
1613 if (lwinAttr.get_root() == parent) {
1614 insLog.finest("our parent is root so insets should be zero");
1615 correctWM = new Insets(0, 0, 0, 0);
1616 break;
1617 }
1618
1619 /*
1620 * Check for double-reparenting WM.
1621 *
1622 * If the parent is exactly the same size as the
1623 * top-level assume taht it's the "lining" window and
1624 * that the grandparent is the actual frame (NB: we
1625 * have already handled undecorated windows).
1626 *
1627 * XXX: what about timing issues that syncTopLevelPos
1628 * is supposed to work around?
1629 */
1630 if (lwinAttr.get_x() == 0 && lwinAttr.get_y() == 0
1631 && lwinAttr.get_width()+2*lwinAttr.get_border_width() == pattr.get_width()
1632 && lwinAttr.get_height()+2*lwinAttr.get_border_width() == pattr.get_height())
1633 {
1634 insLog.finest("Double reparenting detected, pattr({2})={0}, lwinAttr({3})={1}",
1635 lwinAttr, pattr, parent, window);
1636 lwinAttr.set_x(pattr.get_x());
1637 lwinAttr.set_y(pattr.get_y());
1638 lwinAttr.set_border_width(lwinAttr.get_border_width()+pattr.get_border_width());
1639
1640 final long grand_parent = XlibUtil.getParentWindow(parent);
1641
1642 if (grand_parent == lwinAttr.get_root()) {
1643 // This is not double-reparenting in a
1644 // general sense - we simply don't have
1645 // correct insets - return null to try to
1646 // get insets later
1647 return null;
1648 } else {
1649 parent = grand_parent;
1650 XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
1651 parent,
1652 pattr.pData);
1653 }
1654 }
1655 /*
1656 * XXX: To be absolutely correct, we'd need to take
1657 * parent's border-width into account too, but the
1658 * rest of the code is happily unaware about border
1659 * widths and inner/outer distinction, so for the time
1660 * being, just ignore it.
1661 */
1662 insLog.finest("Attrs before calculation: pattr({2})={0}, lwinAttr({3})={1}",
1663 lwinAttr, pattr, parent, window);
1664 correctWM = new Insets(lwinAttr.get_y() + lwinAttr.get_border_width(),
1665 lwinAttr.get_x() + lwinAttr.get_border_width(),
1666 pattr.get_height() - (lwinAttr.get_y() + lwinAttr.get_height() + 2*lwinAttr.get_border_width()),
1667 pattr.get_width() - (lwinAttr.get_x() + lwinAttr.get_width() + 2*lwinAttr.get_border_width()));
1668 break;
1669 } /* default */
1670 } /* switch (runningWM) */
1671 } finally {
1672 lwinAttr.dispose();
1673 pattr.dispose();
1674 }
1675 }
1676 if (storedInsets.get(win.getClass()) == null) {
1677 storedInsets.put(win.getClass(), correctWM);
1678 }
1679 return correctWM;
1680 }
1681 boolean isDesktopWindow( long w ) {
1682 if (g_net_protocol != null) {
1683 XAtomList wtype = XAtom.get("_NET_WM_WINDOW_TYPE").getAtomListPropertyList( w );
1684 return wtype.contains( XAtom.get("_NET_WM_WINDOW_TYPE_DESKTOP") );
1685 } else {
1686 return false;
1687 }
1688 }
1689
1690 public XNETProtocol getNETProtocol() {
1691 return g_net_protocol;
1692 }
1693
1694 /**
1695 * Sets _NET_WN_ICON property on the window using the arrays of
1696 * raster-data for icons. If icons is null, removes _NET_WM_ICON
1697 * property.
1698 * This method invokes XNETProtocol.setWMIcon() for WMs that
1699 * support NET protocol.
1700 *
1701 * @return true if hint was modified successfully, false otherwise
1702 */
1703 public boolean setNetWMIcon(XWindowPeer window, java.util.List<XIconInfo> icons) {
1704 if (g_net_protocol != null && g_net_protocol.active()) {
1705 g_net_protocol.setWMIcons(window, icons);
1706 return getWMID() != ICE_WM;
1707 }
1708 return false;
1709 }
1710 }