1 /* 2 * Copyright (c) 2003, 2010, 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.awt.X11; 27 28 import java.awt.*; 29 import sun.awt.*; 30 import java.util.*; 31 import sun.util.logging.PlatformLogger; 32 33 public class XBaseWindow { 34 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XBaseWindow"); 35 private static final PlatformLogger insLog = PlatformLogger.getLogger("sun.awt.X11.insets.XBaseWindow"); 36 private static final PlatformLogger eventLog = PlatformLogger.getLogger("sun.awt.X11.event.XBaseWindow"); 37 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XBaseWindow"); 38 private static final PlatformLogger grabLog = PlatformLogger.getLogger("sun.awt.X11.grab.XBaseWindow"); 39 40 public static final String 41 PARENT_WINDOW = "parent window", // parent window, Long 42 BOUNDS = "bounds", // bounds of the window, Rectangle 43 OVERRIDE_REDIRECT = "overrideRedirect", // override_redirect setting, Boolean 44 EVENT_MASK = "event mask", // event mask, Integer 45 VALUE_MASK = "value mask", // value mask, Long 46 BORDER_PIXEL = "border pixel", // border pixel value, Integer 47 COLORMAP = "color map", // color map, Long 48 DEPTH = "visual depth", // depth, Integer 49 VISUAL_CLASS = "visual class", // visual class, Integer 50 VISUAL = "visual", // visual, Long 51 EMBEDDED = "embedded", // is embedded?, Boolean 52 DELAYED = "delayed", // is creation delayed?, Boolean 53 PARENT = "parent", // parent peer 54 BACKGROUND_PIXMAP = "pixmap", // background pixmap 55 VISIBLE = "visible", // whether it is visible by default 56 SAVE_UNDER = "save under", // save content under this window 57 BACKING_STORE = "backing store", // enables double buffering 58 BIT_GRAVITY = "bit gravity"; // copy old content on geometry change 59 private XCreateWindowParams delayedParams; 60 61 Set<Long> children = new HashSet<Long>(); 62 long window; 63 boolean visible; 64 boolean mapped; 65 boolean embedded; 66 Rectangle maxBounds; 67 volatile XBaseWindow parentWindow; 68 69 private boolean disposed; 70 71 private long screen; 72 private XSizeHints hints; 73 private XWMHints wmHints; 74 75 final static int MIN_SIZE = 1; 76 final static int DEF_LOCATION = 1; 77 78 private static XAtom wm_client_leader; 79 80 static enum InitialiseState { 81 INITIALISING, 82 NOT_INITIALISED, 83 INITIALISED, 84 FAILED_INITIALISATION 85 }; 86 87 private InitialiseState initialising; 88 89 int x; 90 int y; 91 int width; 92 int height; 93 94 void awtLock() { 95 XToolkit.awtLock(); 96 } 97 98 void awtUnlock() { 99 XToolkit.awtUnlock(); 100 } 101 102 void awtLockNotifyAll() { 103 XToolkit.awtLockNotifyAll(); 104 } 105 106 void awtLockWait() throws InterruptedException { 107 XToolkit.awtLockWait(); 108 } 109 110 // To prevent errors from overriding obsolete methods 111 protected final void init(long parentWindow, Rectangle bounds) {} 112 protected final void preInit() {} 113 protected final void postInit() {} 114 115 // internal lock for synchronizing state changes and paint calls, initialized in preInit. 116 // the order with other locks: AWTLock -> stateLock 117 static class StateLock extends Object { } 118 protected StateLock state_lock; 119 120 /** 121 * Called for delayed inits during construction 122 */ 123 void instantPreInit(XCreateWindowParams params) { 124 state_lock = new StateLock(); 125 initialising = InitialiseState.NOT_INITIALISED; 126 } 127 128 /** 129 * Called before window creation, descendants should override to initialize the data, 130 * initialize params. 131 */ 132 void preInit(XCreateWindowParams params) { 133 state_lock = new StateLock(); 134 initialising = InitialiseState.NOT_INITIALISED; 135 embedded = Boolean.TRUE.equals(params.get(EMBEDDED)); 136 visible = Boolean.TRUE.equals(params.get(VISIBLE)); 137 138 Object parent = params.get(PARENT); 139 if (parent instanceof XBaseWindow) { 140 parentWindow = (XBaseWindow)parent; 141 } else { 142 Long parentWindowID = (Long)params.get(PARENT_WINDOW); 143 if (parentWindowID != null) { 144 parentWindow = XToolkit.windowToXWindow(parentWindowID); 145 } 146 } 147 148 Long eventMask = (Long)params.get(EVENT_MASK); 149 if (eventMask != null) { 150 long mask = eventMask.longValue(); 151 mask |= XConstants.SubstructureNotifyMask; 152 params.put(EVENT_MASK, mask); 153 } 154 155 screen = -1; 156 } 157 158 /** 159 * Called after window creation, descendants should override to initialize Window 160 * with class-specific values and perform post-initialization actions. 161 */ 162 void postInit(XCreateWindowParams params) { 163 if (log.isLoggable(PlatformLogger.FINE)) log.fine("WM name is " + getWMName()); 164 updateWMName(); 165 166 // Set WM_CLIENT_LEADER property 167 initClientLeader(); 168 } 169 170 /** 171 * Creates window using parameters <code>params</code> 172 * If params contain flag DELAYED doesn't do anything. 173 * Note: Descendants can call this method to create the window 174 * at the time different to instance construction. 175 */ 176 protected final void init(XCreateWindowParams params) { 177 awtLock(); 178 initialising = InitialiseState.INITIALISING; 179 awtUnlock(); 180 181 try { 182 if (!Boolean.TRUE.equals(params.get(DELAYED))) { 183 preInit(params); 184 create(params); 185 postInit(params); 186 } else { 187 instantPreInit(params); 188 delayedParams = params; 189 } 190 awtLock(); 191 initialising = InitialiseState.INITIALISED; 192 awtLockNotifyAll(); 193 awtUnlock(); 194 } catch (RuntimeException re) { 195 awtLock(); 196 initialising = InitialiseState.FAILED_INITIALISATION; 197 awtLockNotifyAll(); 198 awtUnlock(); 199 throw re; 200 } catch (Throwable t) { 201 log.warning("Exception during peer initialization", t); 202 awtLock(); 203 initialising = InitialiseState.FAILED_INITIALISATION; 204 awtLockNotifyAll(); 205 awtUnlock(); 206 } 207 } 208 209 public boolean checkInitialised() { 210 awtLock(); 211 try { 212 switch (initialising) { 213 case INITIALISED: 214 return true; 215 case INITIALISING: 216 try { 217 while (initialising != InitialiseState.INITIALISED) { 218 awtLockWait(); 219 } 220 } catch (InterruptedException ie) { 221 return false; 222 } 223 return true; 224 case NOT_INITIALISED: 225 case FAILED_INITIALISATION: 226 return false; 227 default: 228 return false; 229 } 230 } finally { 231 awtUnlock(); 232 } 233 } 234 235 /* 236 * Creates an invisible InputOnly window without an associated Component. 237 */ 238 XBaseWindow() { 239 this(new XCreateWindowParams()); 240 } 241 242 /** 243 * Creates normal child window 244 */ 245 XBaseWindow(long parentWindow, Rectangle bounds) { 246 this(new XCreateWindowParams(new Object[] { 247 BOUNDS, bounds, 248 PARENT_WINDOW, Long.valueOf(parentWindow)})); 249 } 250 251 /** 252 * Creates top-level window 253 */ 254 XBaseWindow(Rectangle bounds) { 255 this(new XCreateWindowParams(new Object[] { 256 BOUNDS, bounds 257 })); 258 } 259 260 public XBaseWindow (XCreateWindowParams params) { 261 init(params); 262 } 263 264 /* This create is used by the XEmbeddedFramePeer since it has to create the window 265 as a child of the netscape window. This netscape window is passed in as wid */ 266 XBaseWindow(long parentWindow) { 267 this(new XCreateWindowParams(new Object[] { 268 PARENT_WINDOW, Long.valueOf(parentWindow), 269 EMBEDDED, Boolean.TRUE 270 })); 271 } 272 273 /** 274 * Verifies that all required parameters are set. If not, sets them to default values. 275 * Verifies values of critical parameters, adjust their values when needed. 276 * @throws IllegalArgumentException if params is null 277 */ 278 protected void checkParams(XCreateWindowParams params) { 279 if (params == null) { 280 throw new IllegalArgumentException("Window creation parameters are null"); 281 } 282 params.putIfNull(PARENT_WINDOW, Long.valueOf(XToolkit.getDefaultRootWindow())); 283 params.putIfNull(BOUNDS, new Rectangle(DEF_LOCATION, DEF_LOCATION, MIN_SIZE, MIN_SIZE)); 284 params.putIfNull(DEPTH, Integer.valueOf((int)XConstants.CopyFromParent)); 285 params.putIfNull(VISUAL, Long.valueOf(XConstants.CopyFromParent)); 286 params.putIfNull(VISUAL_CLASS, Integer.valueOf((int)XConstants.InputOnly)); 287 params.putIfNull(VALUE_MASK, Long.valueOf(XConstants.CWEventMask)); 288 Rectangle bounds = (Rectangle)params.get(BOUNDS); 289 bounds.width = Math.max(MIN_SIZE, bounds.width); 290 bounds.height = Math.max(MIN_SIZE, bounds.height); 291 292 Long eventMaskObj = (Long)params.get(EVENT_MASK); 293 long eventMask = eventMaskObj != null ? eventMaskObj.longValue() : 0; 294 // We use our own synthetic grab see XAwtState.getGrabWindow() 295 // (see X vol. 1, 8.3.3.2) 296 eventMask |= XConstants.PropertyChangeMask | XConstants.OwnerGrabButtonMask; 297 params.put(EVENT_MASK, Long.valueOf(eventMask)); 298 } 299 300 /** 301 * Creates window with parameters specified by <code>params</code> 302 * @see #init 303 */ 304 private final void create(XCreateWindowParams params) { 305 XToolkit.awtLock(); 306 try { 307 XSetWindowAttributes xattr = new XSetWindowAttributes(); 308 try { 309 checkParams(params); 310 311 long value_mask = ((Long)params.get(VALUE_MASK)).longValue(); 312 313 Long eventMask = (Long)params.get(EVENT_MASK); 314 xattr.set_event_mask(eventMask.longValue()); 315 value_mask |= XConstants.CWEventMask; 316 317 Long border_pixel = (Long)params.get(BORDER_PIXEL); 318 if (border_pixel != null) { 319 xattr.set_border_pixel(border_pixel.longValue()); 320 value_mask |= XConstants.CWBorderPixel; 321 } 322 323 Long colormap = (Long)params.get(COLORMAP); 324 if (colormap != null) { 325 xattr.set_colormap(colormap.longValue()); 326 value_mask |= XConstants.CWColormap; 327 } 328 Long background_pixmap = (Long)params.get(BACKGROUND_PIXMAP); 329 if (background_pixmap != null) { 330 xattr.set_background_pixmap(background_pixmap.longValue()); 331 value_mask |= XConstants.CWBackPixmap; 332 } 333 334 Long parentWindow = (Long)params.get(PARENT_WINDOW); 335 Rectangle bounds = (Rectangle)params.get(BOUNDS); 336 Integer depth = (Integer)params.get(DEPTH); 337 Integer visual_class = (Integer)params.get(VISUAL_CLASS); 338 Long visual = (Long)params.get(VISUAL); 339 Boolean overrideRedirect = (Boolean)params.get(OVERRIDE_REDIRECT); 340 if (overrideRedirect != null) { 341 xattr.set_override_redirect(overrideRedirect.booleanValue()); 342 value_mask |= XConstants.CWOverrideRedirect; 343 } 344 345 Boolean saveUnder = (Boolean)params.get(SAVE_UNDER); 346 if (saveUnder != null) { 347 xattr.set_save_under(saveUnder.booleanValue()); 348 value_mask |= XConstants.CWSaveUnder; 349 } 350 351 Integer backingStore = (Integer)params.get(BACKING_STORE); 352 if (backingStore != null) { 353 xattr.set_backing_store(backingStore.intValue()); 354 value_mask |= XConstants.CWBackingStore; 355 } 356 357 Integer bitGravity = (Integer)params.get(BIT_GRAVITY); 358 if (bitGravity != null) { 359 xattr.set_bit_gravity(bitGravity.intValue()); 360 value_mask |= XConstants.CWBitGravity; 361 } 362 363 if (log.isLoggable(PlatformLogger.FINE)) { 364 log.fine("Creating window for " + this + " with the following attributes: \n" + params); 365 } 366 window = XlibWrapper.XCreateWindow(XToolkit.getDisplay(), 367 parentWindow.longValue(), 368 bounds.x, bounds.y, // location 369 bounds.width, bounds.height, // size 370 0, // border 371 depth.intValue(), // depth 372 visual_class.intValue(), // class 373 visual.longValue(), // visual 374 value_mask, // value mask 375 xattr.pData); // attributes 376 377 if (window == 0) { 378 throw new IllegalStateException("Couldn't create window because of wrong parameters. Run with NOISY_AWT to see details"); 379 } 380 XToolkit.addToWinMap(window, this); 381 } finally { 382 xattr.dispose(); 383 } 384 } finally { 385 XToolkit.awtUnlock(); 386 } 387 } 388 389 public XCreateWindowParams getDelayedParams() { 390 return delayedParams; 391 } 392 393 protected String getWMName() { 394 return XToolkit.getCorrectXIDString(getClass().getName()); 395 } 396 397 protected void initClientLeader() { 398 XToolkit.awtLock(); 399 try { 400 if (wm_client_leader == null) { 401 wm_client_leader = XAtom.get("WM_CLIENT_LEADER"); 402 } 403 wm_client_leader.setWindowProperty(this, getXAWTRootWindow()); 404 } finally { 405 XToolkit.awtUnlock(); 406 } 407 } 408 409 static XRootWindow getXAWTRootWindow() { 410 return XRootWindow.getInstance(); 411 } 412 413 void destroy() { 414 XToolkit.awtLock(); 415 try { 416 if (hints != null) { 417 XlibWrapper.XFree(hints.pData); 418 hints = null; 419 } 420 XToolkit.removeFromWinMap(getWindow(), this); 421 XlibWrapper.XDestroyWindow(XToolkit.getDisplay(), getWindow()); 422 if (XPropertyCache.isCachingSupported()) { 423 XPropertyCache.clearCache(window); 424 } 425 window = -1; 426 if( !isDisposed() ) { 427 setDisposed( true ); 428 } 429 430 XAwtState.getGrabWindow(); // Magic - getGrabWindow clear state if grabbing window is disposed of. 431 } finally { 432 XToolkit.awtUnlock(); 433 } 434 } 435 436 void flush() { 437 XToolkit.awtLock(); 438 try { 439 XlibWrapper.XFlush(XToolkit.getDisplay()); 440 } finally { 441 XToolkit.awtUnlock(); 442 } 443 } 444 445 /** 446 * Helper function to set W 447 */ 448 public final void setWMHints(XWMHints hints) { 449 XToolkit.awtLock(); 450 try { 451 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData); 452 } finally { 453 XToolkit.awtUnlock(); 454 } 455 } 456 457 public XWMHints getWMHints() { 458 if (wmHints == null) { 459 wmHints = new XWMHints(XlibWrapper.XAllocWMHints()); 460 // XlibWrapper.XGetWMHints(XToolkit.getDisplay(), 461 // getWindow(), 462 // wmHints.pData); 463 } 464 return wmHints; 465 } 466 467 468 /* 469 * Call this method under AWTLock. 470 * The lock should be acquired untill all operations with XSizeHints are completed. 471 */ 472 public XSizeHints getHints() { 473 if (hints == null) { 474 long p_hints = XlibWrapper.XAllocSizeHints(); 475 hints = new XSizeHints(p_hints); 476 // XlibWrapper.XGetWMNormalHints(XToolkit.getDisplay(), getWindow(), p_hints, XlibWrapper.larg1); 477 // TODO: Shouldn't we listen for WM updates on this property? 478 } 479 return hints; 480 } 481 482 public void setSizeHints(long flags, int x, int y, int width, int height) { 483 if (insLog.isLoggable(PlatformLogger.FINER)) insLog.finer("Setting hints, flags " + XlibWrapper.hintsToString(flags)); 484 XToolkit.awtLock(); 485 try { 486 XSizeHints hints = getHints(); 487 // Note: if PPosition is not set in flags this means that 488 // we want to reset PPosition in hints. This is necessary 489 // for locationByPlatform functionality 490 if ((flags & XUtilConstants.PPosition) != 0) { 491 hints.set_x(x); 492 hints.set_y(y); 493 } 494 if ((flags & XUtilConstants.PSize) != 0) { 495 hints.set_width(width); 496 hints.set_height(height); 497 } else if ((hints.get_flags() & XUtilConstants.PSize) != 0) { 498 flags |= XUtilConstants.PSize; 499 } 500 if ((flags & XUtilConstants.PMinSize) != 0) { 501 hints.set_min_width(width); 502 hints.set_min_height(height); 503 } else if ((hints.get_flags() & XUtilConstants.PMinSize) != 0) { 504 flags |= XUtilConstants.PMinSize; 505 //Fix for 4320050: Minimum size for java.awt.Frame is not being enforced. 506 //We don't need to reset minimum size if it's already set 507 } 508 if ((flags & XUtilConstants.PMaxSize) != 0) { 509 if (maxBounds != null) { 510 if (maxBounds.width != Integer.MAX_VALUE) { 511 hints.set_max_width(maxBounds.width); 512 } else { 513 hints.set_max_width(XToolkit.getDefaultScreenWidth()); 514 } 515 if (maxBounds.height != Integer.MAX_VALUE) { 516 hints.set_max_height(maxBounds.height); 517 } else { 518 hints.set_max_height(XToolkit.getDefaultScreenHeight()); 519 } 520 } else { 521 hints.set_max_width(width); 522 hints.set_max_height(height); 523 } 524 } else if ((hints.get_flags() & XUtilConstants.PMaxSize) != 0) { 525 flags |= XUtilConstants.PMaxSize; 526 if (maxBounds != null) { 527 if (maxBounds.width != Integer.MAX_VALUE) { 528 hints.set_max_width(maxBounds.width); 529 } else { 530 hints.set_max_width(XToolkit.getDefaultScreenWidth()); 531 } 532 if (maxBounds.height != Integer.MAX_VALUE) { 533 hints.set_max_height(maxBounds.height); 534 } else { 535 hints.set_max_height(XToolkit.getDefaultScreenHeight()); 536 } 537 } else { 538 // Leave intact 539 } 540 } 541 flags |= XUtilConstants.PWinGravity; 542 hints.set_flags(flags); 543 hints.set_win_gravity((int)XConstants.NorthWestGravity); 544 if (insLog.isLoggable(PlatformLogger.FINER)) insLog.finer("Setting hints, resulted flags " + XlibWrapper.hintsToString(flags) + 545 ", values " + hints); 546 XlibWrapper.XSetWMNormalHints(XToolkit.getDisplay(), getWindow(), hints.pData); 547 } finally { 548 XToolkit.awtUnlock(); 549 } 550 } 551 552 public boolean isMinSizeSet() { 553 XSizeHints hints = getHints(); 554 long flags = hints.get_flags(); 555 return ((flags & XUtilConstants.PMinSize) == XUtilConstants.PMinSize); 556 } 557 558 /** 559 * This lock object can be used to protect instance data from concurrent access 560 * by two threads. If both state lock and AWT lock are taken, AWT Lock should be taken first. 561 */ 562 Object getStateLock() { 563 return state_lock; 564 } 565 566 public long getWindow() { 567 return window; 568 } 569 public long getContentWindow() { 570 return window; 571 } 572 573 public XBaseWindow getContentXWindow() { 574 return XToolkit.windowToXWindow(getContentWindow()); 575 } 576 577 public Rectangle getBounds() { 578 return new Rectangle(x, y, width, height); 579 } 580 public Dimension getSize() { 581 return new Dimension(width, height); 582 } 583 584 585 public void toFront() { 586 XToolkit.awtLock(); 587 try { 588 XlibWrapper.XRaiseWindow(XToolkit.getDisplay(), getWindow()); 589 } finally { 590 XToolkit.awtUnlock(); 591 } 592 } 593 public void xRequestFocus(long time) { 594 XToolkit.awtLock(); 595 try { 596 if (focusLog.isLoggable(PlatformLogger.FINER)) focusLog.finer("XSetInputFocus on " + Long.toHexString(getWindow()) + " with time " + time); 597 XlibWrapper.XSetInputFocus2(XToolkit.getDisplay(), getWindow(), time); 598 } finally { 599 XToolkit.awtUnlock(); 600 } 601 } 602 public void xRequestFocus() { 603 XToolkit.awtLock(); 604 try { 605 if (focusLog.isLoggable(PlatformLogger.FINER)) focusLog.finer("XSetInputFocus on " + Long.toHexString(getWindow())); 606 XlibWrapper.XSetInputFocus(XToolkit.getDisplay(), getWindow()); 607 } finally { 608 XToolkit.awtUnlock(); 609 } 610 } 611 612 public static long xGetInputFocus() { 613 XToolkit.awtLock(); 614 try { 615 return XlibWrapper.XGetInputFocus(XToolkit.getDisplay()); 616 } finally { 617 XToolkit.awtUnlock(); 618 } 619 } 620 621 public void xSetVisible(boolean visible) { 622 if (log.isLoggable(PlatformLogger.FINE)) log.fine("Setting visible on " + this + " to " + visible); 623 XToolkit.awtLock(); 624 try { 625 this.visible = visible; 626 if (visible) { 627 XlibWrapper.XMapWindow(XToolkit.getDisplay(), getWindow()); 628 } 629 else { 630 XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), getWindow()); 631 } 632 XlibWrapper.XFlush(XToolkit.getDisplay()); 633 } finally { 634 XToolkit.awtUnlock(); 635 } 636 } 637 638 boolean isMapped() { 639 return mapped; 640 } 641 642 void updateWMName() { 643 String name = getWMName(); 644 XToolkit.awtLock(); 645 try { 646 if (name == null) { 647 name = " "; 648 } 649 XAtom nameAtom = XAtom.get(XAtom.XA_WM_NAME); 650 nameAtom.setProperty(getWindow(), name); 651 XAtom netNameAtom = XAtom.get("_NET_WM_NAME"); 652 netNameAtom.setPropertyUTF8(getWindow(), name); 653 } finally { 654 XToolkit.awtUnlock(); 655 } 656 } 657 void setWMClass(String[] cl) { 658 if (cl.length != 2) { 659 throw new IllegalArgumentException("WM_CLASS_NAME consists of exactly two strings"); 660 } 661 XToolkit.awtLock(); 662 try { 663 XAtom xa = XAtom.get(XAtom.XA_WM_CLASS); 664 xa.setProperty8(getWindow(), cl[0] + '\0' + cl[1]); 665 } finally { 666 XToolkit.awtUnlock(); 667 } 668 } 669 670 boolean isVisible() { 671 return visible; 672 } 673 674 static long getScreenOfWindow(long window) { 675 XToolkit.awtLock(); 676 try { 677 return XlibWrapper.getScreenOfWindow(XToolkit.getDisplay(), window); 678 } finally { 679 XToolkit.awtUnlock(); 680 } 681 } 682 long getScreenNumber() { 683 XToolkit.awtLock(); 684 try { 685 return XlibWrapper.XScreenNumberOfScreen(getScreen()); 686 } finally { 687 XToolkit.awtUnlock(); 688 } 689 } 690 691 long getScreen() { 692 if (screen == -1) { // Not initialized 693 screen = getScreenOfWindow(window); 694 } 695 return screen; 696 } 697 698 public void xSetBounds(Rectangle bounds) { 699 xSetBounds(bounds.x, bounds.y, bounds.width, bounds.height); 700 } 701 702 public void xSetBounds(int x, int y, int width, int height) { 703 if (getWindow() == 0) { 704 insLog.warning("Attempt to resize uncreated window"); 705 throw new IllegalStateException("Attempt to resize uncreated window"); 706 } 707 insLog.fine("Setting bounds on " + this + " to (" + x + ", " + y + "), " + width + "x" + height); 708 width = Math.max(MIN_SIZE, width); 709 height = Math.max(MIN_SIZE, height); 710 XToolkit.awtLock(); 711 try { 712 XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), getWindow(), x,y,width,height); 713 } finally { 714 XToolkit.awtUnlock(); 715 } 716 } 717 718 /** 719 * Translate coordinates from one window into another. Optimized 720 * for XAWT - uses cached data when possible. Preferable over 721 * pure XTranslateCoordinates. 722 * @return coordinates relative to dst, or null if error happened 723 */ 724 static Point toOtherWindow(long src, long dst, int x, int y) { 725 Point rpt = new Point(0, 0); 726 727 // Check if both windows belong to XAWT - then no X calls are necessary 728 729 XBaseWindow srcPeer = XToolkit.windowToXWindow(src); 730 XBaseWindow dstPeer = XToolkit.windowToXWindow(dst); 731 732 if (srcPeer != null && dstPeer != null) { 733 // (x, y) is relative to src 734 rpt.x = x + srcPeer.getAbsoluteX() - dstPeer.getAbsoluteX(); 735 rpt.y = y + srcPeer.getAbsoluteY() - dstPeer.getAbsoluteY(); 736 } else if (dstPeer != null && XlibUtil.isRoot(src, dstPeer.getScreenNumber())) { 737 // from root into peer 738 rpt.x = x - dstPeer.getAbsoluteX(); 739 rpt.y = y - dstPeer.getAbsoluteY(); 740 } else if (srcPeer != null && XlibUtil.isRoot(dst, srcPeer.getScreenNumber())) { 741 // from peer into root 742 rpt.x = x + srcPeer.getAbsoluteX(); 743 rpt.y = y + srcPeer.getAbsoluteY(); 744 } else { 745 rpt = XlibUtil.translateCoordinates(src, dst, new Point(x, y)); 746 } 747 return rpt; 748 } 749 750 /* 751 * Convert to global coordinates. 752 */ 753 Rectangle toGlobal(Rectangle rec) { 754 Point p = toGlobal(rec.getLocation()); 755 Rectangle newRec = new Rectangle(rec); 756 if (p != null) { 757 newRec.setLocation(p); 758 } 759 return newRec; 760 } 761 762 Point toGlobal(Point pt) { 763 Point p = toGlobal(pt.x, pt.y); 764 if (p != null) { 765 return p; 766 } else { 767 return new Point(pt); 768 } 769 } 770 771 Point toGlobal(int x, int y) { 772 long root; 773 XToolkit.awtLock(); 774 try { 775 root = XlibWrapper.RootWindow(XToolkit.getDisplay(), 776 getScreenNumber()); 777 } finally { 778 XToolkit.awtUnlock(); 779 } 780 Point p = toOtherWindow(getContentWindow(), root, x, y); 781 if (p != null) { 782 return p; 783 } else { 784 return new Point(x, y); 785 } 786 } 787 788 /* 789 * Convert to local coordinates. 790 */ 791 Point toLocal(Point pt) { 792 Point p = toLocal(pt.x, pt.y); 793 if (p != null) { 794 return p; 795 } else { 796 return new Point(pt); 797 } 798 } 799 800 Point toLocal(int x, int y) { 801 long root; 802 XToolkit.awtLock(); 803 try { 804 root = XlibWrapper.RootWindow(XToolkit.getDisplay(), 805 getScreenNumber()); 806 } finally { 807 XToolkit.awtUnlock(); 808 } 809 Point p = toOtherWindow(root, getContentWindow(), x, y); 810 if (p != null) { 811 return p; 812 } else { 813 return new Point(x, y); 814 } 815 } 816 817 /** 818 * We should always grab both keyboard and pointer to control event flow 819 * on popups. This also simplifies synthetic grab implementation. 820 * The active grab overrides activated automatic grab. 821 */ 822 public boolean grabInput() { 823 grabLog.fine("Grab input on {0}", this); 824 825 XToolkit.awtLock(); 826 try { 827 if (XAwtState.getGrabWindow() == this && 828 XAwtState.isManualGrab()) 829 { 830 grabLog.fine(" Already Grabbed"); 831 return true; 832 } 833 //6273031: PIT. Choice drop down does not close once it is right clicked to show a popup menu 834 //remember previous window having grab and if it's not null ungrab it. 835 XBaseWindow prevGrabWindow = XAwtState.getGrabWindow(); 836 final int eventMask = (int) (XConstants.ButtonPressMask | XConstants.ButtonReleaseMask 837 | XConstants.EnterWindowMask | XConstants.LeaveWindowMask | XConstants.PointerMotionMask 838 | XConstants.ButtonMotionMask); 839 final int ownerEvents = 1; 840 841 842 //6714678: IDE (Netbeans, Eclipse, JDeveloper) Debugger hangs 843 //process on Linux 844 //The user must pass the sun.awt.disablegrab property to disable 845 //taking grabs. This prevents hanging of the GUI when a breakpoint 846 //is hit while a popup window taking the grab is open. 847 if (!XToolkit.getSunAwtDisableGrab()) { 848 int ptrGrab = XlibWrapper.XGrabPointer(XToolkit.getDisplay(), 849 getContentWindow(), ownerEvents, eventMask, XConstants.GrabModeAsync, 850 XConstants.GrabModeAsync, XConstants.None, (XWM.isMotif() ? XToolkit.arrowCursor : XConstants.None), 851 XConstants.CurrentTime); 852 // Check grab results to be consistent with X server grab 853 if (ptrGrab != XConstants.GrabSuccess) { 854 XlibWrapper.XUngrabPointer(XToolkit.getDisplay(), XConstants.CurrentTime); 855 XAwtState.setGrabWindow(null); 856 grabLog.fine(" Grab Failure - mouse"); 857 return false; 858 } 859 860 int keyGrab = XlibWrapper.XGrabKeyboard(XToolkit.getDisplay(), 861 getContentWindow(), ownerEvents, XConstants.GrabModeAsync, XConstants.GrabModeAsync, 862 XConstants.CurrentTime); 863 if (keyGrab != XConstants.GrabSuccess) { 864 XlibWrapper.XUngrabPointer(XToolkit.getDisplay(), XConstants.CurrentTime); 865 XlibWrapper.XUngrabKeyboard(XToolkit.getDisplay(), XConstants.CurrentTime); 866 XAwtState.setGrabWindow(null); 867 grabLog.fine(" Grab Failure - keyboard"); 868 return false; 869 } 870 } 871 if (prevGrabWindow != null) { 872 prevGrabWindow.ungrabInputImpl(); 873 } 874 XAwtState.setGrabWindow(this); 875 grabLog.fine(" Grab - success"); 876 return true; 877 } finally { 878 XToolkit.awtUnlock(); 879 } 880 } 881 882 static void ungrabInput() { 883 XToolkit.awtLock(); 884 try { 885 XBaseWindow grabWindow = XAwtState.getGrabWindow(); 886 grabLog.fine("UnGrab input on {0}", grabWindow); 887 if (grabWindow != null) { 888 grabWindow.ungrabInputImpl(); 889 if (!XToolkit.getSunAwtDisableGrab()) { 890 XlibWrapper.XUngrabPointer(XToolkit.getDisplay(), XConstants.CurrentTime); 891 XlibWrapper.XUngrabKeyboard(XToolkit.getDisplay(), XConstants.CurrentTime); 892 } 893 XAwtState.setGrabWindow(null); 894 // we need to call XFlush() here to force ungrab 895 // see 6384219 for details 896 XlibWrapper.XFlush(XToolkit.getDisplay()); 897 } 898 } finally { 899 XToolkit.awtUnlock(); 900 } 901 } 902 903 // called from ungrabInput, used in popup windows to hide theirselfs in ungrabbing 904 void ungrabInputImpl() { 905 } 906 907 static void checkSecurity() { 908 if (XToolkit.isSecurityWarningEnabled() && XToolkit.isToolkitThread()) { 909 StackTraceElement stack[] = (new Throwable()).getStackTrace(); 910 log.warning(stack[1] + ": Security violation: calling user code on toolkit thread"); 911 } 912 } 913 914 public Set<Long> getChildren() { 915 synchronized (getStateLock()) { 916 return new HashSet<Long>(children); 917 } 918 } 919 920 // -------------- Event handling ---------------- 921 public void handleMapNotifyEvent(XEvent xev) { 922 mapped = true; 923 } 924 public void handleUnmapNotifyEvent(XEvent xev) { 925 mapped = false; 926 } 927 public void handleReparentNotifyEvent(XEvent xev) { 928 if (eventLog.isLoggable(PlatformLogger.FINER)) { 929 XReparentEvent msg = xev.get_xreparent(); 930 eventLog.finer(msg.toString()); 931 } 932 } 933 public void handlePropertyNotify(XEvent xev) { 934 XPropertyEvent msg = xev.get_xproperty(); 935 if (XPropertyCache.isCachingSupported()) { 936 XPropertyCache.clearCache(window, XAtom.get(msg.get_atom())); 937 } 938 if (eventLog.isLoggable(PlatformLogger.FINER)) { 939 eventLog.finer("{0}", msg); 940 } 941 } 942 943 public void handleDestroyNotify(XEvent xev) { 944 XAnyEvent xany = xev.get_xany(); 945 if (xany.get_window() == getWindow()) { 946 XToolkit.removeFromWinMap(getWindow(), this); 947 if (XPropertyCache.isCachingSupported()) { 948 XPropertyCache.clearCache(getWindow()); 949 } 950 } 951 if (xany.get_window() != getWindow()) { 952 synchronized (getStateLock()) { 953 children.remove(xany.get_window()); 954 } 955 } 956 } 957 958 public void handleCreateNotify(XEvent xev) { 959 XAnyEvent xany = xev.get_xany(); 960 if (xany.get_window() != getWindow()) { 961 synchronized (getStateLock()) { 962 children.add(xany.get_window()); 963 } 964 } 965 } 966 967 public void handleClientMessage(XEvent xev) { 968 if (eventLog.isLoggable(PlatformLogger.FINER)) { 969 XClientMessageEvent msg = xev.get_xclient(); 970 eventLog.finer(msg.toString()); 971 } 972 } 973 974 public void handleVisibilityEvent(XEvent xev) { 975 } 976 public void handleKeyPress(XEvent xev) { 977 } 978 public void handleKeyRelease(XEvent xev) { 979 } 980 public void handleExposeEvent(XEvent xev) { 981 } 982 /** 983 * Activate automatic grab on first ButtonPress, 984 * deactivate on full mouse release 985 */ 986 public void handleButtonPressRelease(XEvent xev) { 987 XButtonEvent xbe = xev.get_xbutton(); 988 /* 989 * Ignore the buttons above 20 due to the bit limit for 990 * InputEvent.BUTTON_DOWN_MASK. 991 * One more bit is reserved for FIRST_HIGH_BIT. 992 */ 993 if (xbe.get_button() > SunToolkit.MAX_BUTTONS_SUPPORTED) { 994 return; 995 } 996 int buttonState = 0; 997 buttonState = xbe.get_state() & XConstants.ALL_BUTTONS_MASK; 998 switch (xev.get_type()) { 999 case XConstants.ButtonPress: 1000 if (buttonState == 0) { 1001 XWindowPeer parent = getToplevelXWindow(); 1002 // See 6385277, 6981400. 1003 if (parent != null && parent.isFocusableWindow()) { 1004 // A click in a client area drops the actual focused window retaining. 1005 parent.setActualFocusedWindow(null); 1006 parent.requestWindowFocus(xbe.get_time(), true); 1007 } 1008 XAwtState.setAutoGrabWindow(this); 1009 } 1010 break; 1011 case XConstants.ButtonRelease: 1012 if (isFullRelease(buttonState, xbe.get_button())) { 1013 XAwtState.setAutoGrabWindow(null); 1014 } 1015 break; 1016 } 1017 } 1018 public void handleMotionNotify(XEvent xev) { 1019 } 1020 public void handleXCrossingEvent(XEvent xev) { 1021 } 1022 public void handleConfigureNotifyEvent(XEvent xev) { 1023 XConfigureEvent xe = xev.get_xconfigure(); 1024 insLog.finer("Configure, {0}", xe); 1025 x = xe.get_x(); 1026 y = xe.get_y(); 1027 width = xe.get_width(); 1028 height = xe.get_height(); 1029 } 1030 /** 1031 * Checks ButtonRelease released all Mouse buttons 1032 */ 1033 static boolean isFullRelease(int buttonState, int button) { 1034 final int buttonsNumber = XToolkit.getNumberOfButtonsForMask(); 1035 1036 if (button < 0 || button > buttonsNumber) { 1037 return buttonState == 0; 1038 } else { 1039 return buttonState == XlibUtil.getButtonMask(button); 1040 } 1041 } 1042 1043 static boolean isGrabbedEvent(XEvent ev, XBaseWindow target) { 1044 switch (ev.get_type()) { 1045 case XConstants.ButtonPress: 1046 case XConstants.ButtonRelease: 1047 case XConstants.MotionNotify: 1048 case XConstants.KeyPress: 1049 case XConstants.KeyRelease: 1050 return true; 1051 case XConstants.LeaveNotify: 1052 case XConstants.EnterNotify: 1053 // We shouldn't dispatch this events to the grabbed components (see 6317481) 1054 // But this logic is important if the grabbed component is top-level (see realSync) 1055 return (target instanceof XWindowPeer); 1056 default: 1057 return false; 1058 } 1059 } 1060 /** 1061 * Dispatches event to the grab Window or event source window depending 1062 * on whether the grab is active and on the event type 1063 */ 1064 static void dispatchToWindow(XEvent ev) { 1065 XBaseWindow target = XAwtState.getGrabWindow(); 1066 if (target == null || !isGrabbedEvent(ev, target)) { 1067 target = XToolkit.windowToXWindow(ev.get_xany().get_window()); 1068 } 1069 if (target != null && target.checkInitialised()) { 1070 target.dispatchEvent(ev); 1071 } 1072 } 1073 1074 public void dispatchEvent(XEvent xev) { 1075 if (eventLog.isLoggable(PlatformLogger.FINEST)) eventLog.finest(xev.toString()); 1076 int type = xev.get_type(); 1077 1078 if (isDisposed()) { 1079 return; 1080 } 1081 1082 switch (type) 1083 { 1084 case XConstants.VisibilityNotify: 1085 handleVisibilityEvent(xev); 1086 break; 1087 case XConstants.ClientMessage: 1088 handleClientMessage(xev); 1089 break; 1090 case XConstants.Expose : 1091 case XConstants.GraphicsExpose : 1092 handleExposeEvent(xev); 1093 break; 1094 case XConstants.ButtonPress: 1095 case XConstants.ButtonRelease: 1096 handleButtonPressRelease(xev); 1097 break; 1098 1099 case XConstants.MotionNotify: 1100 handleMotionNotify(xev); 1101 break; 1102 case XConstants.KeyPress: 1103 handleKeyPress(xev); 1104 break; 1105 case XConstants.KeyRelease: 1106 handleKeyRelease(xev); 1107 break; 1108 case XConstants.EnterNotify: 1109 case XConstants.LeaveNotify: 1110 handleXCrossingEvent(xev); 1111 break; 1112 case XConstants.ConfigureNotify: 1113 handleConfigureNotifyEvent(xev); 1114 break; 1115 case XConstants.MapNotify: 1116 handleMapNotifyEvent(xev); 1117 break; 1118 case XConstants.UnmapNotify: 1119 handleUnmapNotifyEvent(xev); 1120 break; 1121 case XConstants.ReparentNotify: 1122 handleReparentNotifyEvent(xev); 1123 break; 1124 case XConstants.PropertyNotify: 1125 handlePropertyNotify(xev); 1126 break; 1127 case XConstants.DestroyNotify: 1128 handleDestroyNotify(xev); 1129 break; 1130 case XConstants.CreateNotify: 1131 handleCreateNotify(xev); 1132 break; 1133 } 1134 } 1135 protected boolean isEventDisabled(XEvent e) { 1136 return false; 1137 } 1138 1139 int getX() { 1140 return x; 1141 } 1142 1143 int getY() { 1144 return y; 1145 } 1146 1147 int getWidth() { 1148 return width; 1149 } 1150 1151 int getHeight() { 1152 return height; 1153 } 1154 1155 void setDisposed(boolean d) { 1156 disposed = d; 1157 } 1158 1159 boolean isDisposed() { 1160 return disposed; 1161 } 1162 1163 public int getAbsoluteX() { 1164 XBaseWindow pw = getParentWindow(); 1165 if (pw != null) { 1166 return pw.getAbsoluteX() + getX(); 1167 } else { 1168 // Overridden for top-levels as their (x,y) is Java (x, y), not native location 1169 return getX(); 1170 } 1171 } 1172 1173 public int getAbsoluteY() { 1174 XBaseWindow pw = getParentWindow(); 1175 if (pw != null) { 1176 return pw.getAbsoluteY() + getY(); 1177 } else { 1178 return getY(); 1179 } 1180 } 1181 1182 public XBaseWindow getParentWindow() { 1183 return parentWindow; 1184 } 1185 1186 public XWindowPeer getToplevelXWindow() { 1187 XBaseWindow bw = this; 1188 while (bw != null && !(bw instanceof XWindowPeer)) { 1189 bw = bw.getParentWindow(); 1190 } 1191 return (XWindowPeer)bw; 1192 } 1193 public String toString() { 1194 return super.toString() + "(" + Long.toString(getWindow(), 16) + ")"; 1195 } 1196 1197 /** 1198 * Returns whether the given point is inside of the window. Coordinates are local. 1199 */ 1200 public boolean contains(int x, int y) { 1201 return x >= 0 && y >= 0 && x < getWidth() && y < getHeight(); 1202 } 1203 1204 /** 1205 * Returns whether the given point is inside of the window. Coordinates are global. 1206 */ 1207 public boolean containsGlobal(int x, int y) { 1208 return x >= getAbsoluteX() && y >= getAbsoluteY() && x < (getAbsoluteX()+getWidth()) && y < (getAbsoluteY()+getHeight()); 1209 } 1210 1211 }