1 /* 2 * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package java.awt; 26 27 import java.awt.event.*; 28 import java.awt.geom.Path2D; 29 import java.awt.geom.Point2D; 30 import java.awt.im.InputContext; 31 import java.awt.image.BufferStrategy; 32 import java.awt.image.BufferedImage; 33 import java.awt.peer.ComponentPeer; 34 import java.awt.peer.WindowPeer; 35 import java.beans.PropertyChangeListener; 36 import java.io.IOException; 37 import java.io.ObjectInputStream; 38 import java.io.ObjectOutputStream; 39 import java.io.OptionalDataException; 40 import java.io.Serializable; 41 import java.lang.ref.WeakReference; 42 import java.lang.reflect.InvocationTargetException; 43 import java.security.AccessController; 44 import java.util.ArrayList; 45 import java.util.Arrays; 46 import java.util.EventListener; 47 import java.util.Locale; 48 import java.util.ResourceBundle; 49 import java.util.Set; 50 import java.util.Vector; 51 import java.util.concurrent.atomic.AtomicBoolean; 52 import javax.accessibility.*; 53 import sun.awt.AWTAccessor; 54 import sun.awt.AppContext; 55 import sun.awt.CausedFocusEvent; 56 import sun.awt.SunToolkit; 57 import sun.awt.util.IdentityArrayList; 58 import sun.java2d.Disposer; 59 import sun.java2d.pipe.Region; 60 import sun.security.action.GetPropertyAction; 61 import sun.security.util.SecurityConstants; 62 import sun.util.logging.PlatformLogger; 63 64 /** 65 * A <code>Window</code> object is a top-level window with no borders and no 66 * menubar. 67 * The default layout for a window is <code>BorderLayout</code>. 68 * <p> 69 * A window must have either a frame, dialog, or another window defined as its 70 * owner when it's constructed. 71 * <p> 72 * In a multi-screen environment, you can create a <code>Window</code> 73 * on a different screen device by constructing the <code>Window</code> 74 * with {@link #Window(Window, GraphicsConfiguration)}. The 75 * <code>GraphicsConfiguration</code> object is one of the 76 * <code>GraphicsConfiguration</code> objects of the target screen device. 77 * <p> 78 * In a virtual device multi-screen environment in which the desktop 79 * area could span multiple physical screen devices, the bounds of all 80 * configurations are relative to the virtual device coordinate system. 81 * The origin of the virtual-coordinate system is at the upper left-hand 82 * corner of the primary physical screen. Depending on the location of 83 * the primary screen in the virtual device, negative coordinates are 84 * possible, as shown in the following figure. 85 * <p> 86 * <img src="doc-files/MultiScreen.gif" 87 * alt="Diagram shows virtual device containing 4 physical screens. Primary physical screen shows coords (0,0), other screen shows (-80,-100)." 88 * ALIGN=center HSPACE=10 VSPACE=7> 89 * <p> 90 * In such an environment, when calling <code>setLocation</code>, 91 * you must pass a virtual coordinate to this method. Similarly, 92 * calling <code>getLocationOnScreen</code> on a <code>Window</code> returns 93 * virtual device coordinates. Call the <code>getBounds</code> method 94 * of a <code>GraphicsConfiguration</code> to find its origin in the virtual 95 * coordinate system. 96 * <p> 97 * The following code sets the location of a <code>Window</code> 98 * at (10, 10) relative to the origin of the physical screen 99 * of the corresponding <code>GraphicsConfiguration</code>. If the 100 * bounds of the <code>GraphicsConfiguration</code> is not taken 101 * into account, the <code>Window</code> location would be set 102 * at (10, 10) relative to the virtual-coordinate system and would appear 103 * on the primary physical screen, which might be different from the 104 * physical screen of the specified <code>GraphicsConfiguration</code>. 105 * 106 * <pre> 107 * Window w = new Window(Window owner, GraphicsConfiguration gc); 108 * Rectangle bounds = gc.getBounds(); 109 * w.setLocation(10 + bounds.x, 10 + bounds.y); 110 * </pre> 111 * 112 * <p> 113 * Note: the location and size of top-level windows (including 114 * <code>Window</code>s, <code>Frame</code>s, and <code>Dialog</code>s) 115 * are under the control of the desktop's window management system. 116 * Calls to <code>setLocation</code>, <code>setSize</code>, and 117 * <code>setBounds</code> are requests (not directives) which are 118 * forwarded to the window management system. Every effort will be 119 * made to honor such requests. However, in some cases the window 120 * management system may ignore such requests, or modify the requested 121 * geometry in order to place and size the <code>Window</code> in a way 122 * that more closely matches the desktop settings. 123 * <p> 124 * Due to the asynchronous nature of native event handling, the results 125 * returned by <code>getBounds</code>, <code>getLocation</code>, 126 * <code>getLocationOnScreen</code>, and <code>getSize</code> might not 127 * reflect the actual geometry of the Window on screen until the last 128 * request has been processed. During the processing of subsequent 129 * requests these values might change accordingly while the window 130 * management system fulfills the requests. 131 * <p> 132 * An application may set the size and location of an invisible 133 * {@code Window} arbitrarily, but the window management system may 134 * subsequently change its size and/or location when the 135 * {@code Window} is made visible. One or more {@code ComponentEvent}s 136 * will be generated to indicate the new geometry. 137 * <p> 138 * Windows are capable of generating the following WindowEvents: 139 * WindowOpened, WindowClosed, WindowGainedFocus, WindowLostFocus. 140 * 141 * @author Sami Shaio 142 * @author Arthur van Hoff 143 * @see WindowEvent 144 * @see #addWindowListener 145 * @see java.awt.BorderLayout 146 * @since JDK1.0 147 */ 148 public class Window extends Container implements Accessible { 149 150 /** 151 * Enumeration of available <i>window types</i>. 152 * 153 * A window type defines the generic visual appearance and behavior of a 154 * top-level window. For example, the type may affect the kind of 155 * decorations of a decorated {@code Frame} or {@code Dialog} instance. 156 * <p> 157 * Some platforms may not fully support a certain window type. Depending on 158 * the level of support, some properties of the window type may be 159 * disobeyed. 160 * 161 * @see #getType 162 * @see #setType 163 * @since 1.7 164 */ 165 public static enum Type { 166 /** 167 * Represents a <i>normal</i> window. 168 * 169 * This is the default type for objects of the {@code Window} class or 170 * its descendants. Use this type for regular top-level windows. 171 */ 172 NORMAL, 173 174 /** 175 * Represents a <i>utility</i> window. 176 * 177 * A utility window is usually a small window such as a toolbar or a 178 * palette. The native system may render the window with smaller 179 * title-bar if the window is either a {@code Frame} or a {@code 180 * Dialog} object, and if it has its decorations enabled. 181 */ 182 UTILITY, 183 184 /** 185 * Represents a <i>popup</i> window. 186 * 187 * A popup window is a temporary window such as a drop-down menu or a 188 * tooltip. On some platforms, windows of that type may be forcibly 189 * made undecorated even if they are instances of the {@code Frame} or 190 * {@code Dialog} class, and have decorations enabled. 191 */ 192 POPUP 193 } 194 195 /** 196 * This represents the warning message that is 197 * to be displayed in a non secure window. ie : 198 * a window that has a security manager installed for 199 * which calling SecurityManager.checkTopLevelWindow() 200 * is false. This message can be displayed anywhere in 201 * the window. 202 * 203 * @serial 204 * @see #getWarningString 205 */ 206 String warningString; 207 208 /** 209 * {@code icons} is the graphical way we can 210 * represent the frames and dialogs. 211 * {@code Window} can't display icon but it's 212 * being inherited by owned {@code Dialog}s. 213 * 214 * @serial 215 * @see #getIconImages 216 * @see #setIconImages(List<? extends Image>) 217 */ 218 transient java.util.List<Image> icons; 219 220 /** 221 * Holds the reference to the component which last had focus in this window 222 * before it lost focus. 223 */ 224 private transient Component temporaryLostComponent; 225 226 static boolean systemSyncLWRequests = false; 227 boolean syncLWRequests = false; 228 transient boolean beforeFirstShow = true; 229 private transient boolean disposing = false; 230 231 static final int OPENED = 0x01; 232 233 /** 234 * An Integer value representing the Window State. 235 * 236 * @serial 237 * @since 1.2 238 * @see #show 239 */ 240 int state; 241 242 /** 243 * A boolean value representing Window always-on-top state 244 * @since 1.5 245 * @serial 246 * @see #setAlwaysOnTop 247 * @see #isAlwaysOnTop 248 */ 249 private boolean alwaysOnTop; 250 251 /** 252 * Contains all the windows that have a peer object associated, 253 * i. e. between addNotify() and removeNotify() calls. The list 254 * of all Window instances can be obtained from AppContext object. 255 * 256 * @since 1.6 257 */ 258 private static final IdentityArrayList<Window> allWindows = new IdentityArrayList<Window>(); 259 260 /** 261 * A vector containing all the windows this 262 * window currently owns. 263 * @since 1.2 264 * @see #getOwnedWindows 265 */ 266 transient Vector<WeakReference<Window>> ownedWindowList = 267 new Vector<WeakReference<Window>>(); 268 269 /* 270 * We insert a weak reference into the Vector of all Windows in AppContext 271 * instead of 'this' so that garbage collection can still take place 272 * correctly. 273 */ 274 private transient WeakReference<Window> weakThis; 275 276 transient boolean showWithParent; 277 278 /** 279 * Contains the modal dialog that blocks this window, or null 280 * if the window is unblocked. 281 * 282 * @since 1.6 283 */ 284 transient Dialog modalBlocker; 285 286 /** 287 * @serial 288 * 289 * @see java.awt.Dialog.ModalExclusionType 290 * @see #getModalExclusionType 291 * @see #setModalExclusionType 292 * 293 * @since 1.6 294 */ 295 Dialog.ModalExclusionType modalExclusionType; 296 297 transient WindowListener windowListener; 298 transient WindowStateListener windowStateListener; 299 transient WindowFocusListener windowFocusListener; 300 301 transient InputContext inputContext; 302 private transient Object inputContextLock = new Object(); 303 304 /** 305 * Unused. Maintained for serialization backward-compatibility. 306 * 307 * @serial 308 * @since 1.2 309 */ 310 private FocusManager focusMgr; 311 312 /** 313 * Indicates whether this Window can become the focused Window. 314 * 315 * @serial 316 * @see #getFocusableWindowState 317 * @see #setFocusableWindowState 318 * @since 1.4 319 */ 320 private boolean focusableWindowState = true; 321 322 /** 323 * Indicates whether this window should receive focus on 324 * subsequently being shown (with a call to {@code setVisible(true)}), or 325 * being moved to the front (with a call to {@code toFront()}). 326 * 327 * @serial 328 * @see #setAutoRequestFocus 329 * @see #isAutoRequestFocus 330 * @since 1.7 331 */ 332 private volatile boolean autoRequestFocus = true; 333 334 /* 335 * Indicates that this window is being shown. This flag is set to true at 336 * the beginning of show() and to false at the end of show(). 337 * 338 * @see #show() 339 * @see Dialog#shouldBlock 340 */ 341 transient boolean isInShow = false; 342 343 /* 344 * The opacity level of the window 345 * 346 * @serial 347 * @see #setOpacity(float) 348 * @see #getOpacity() 349 * @since 1.7 350 */ 351 private float opacity = 1.0f; 352 353 /* 354 * The shape assigned to this window. This field is set to {@code null} if 355 * no shape is set (rectangular window). 356 * 357 * @serial 358 * @see #getShape() 359 * @see #setShape(Shape) 360 * @since 1.7 361 */ 362 private Shape shape = null; 363 364 private static final String base = "win"; 365 private static int nameCounter = 0; 366 367 /* 368 * JDK 1.1 serialVersionUID 369 */ 370 private static final long serialVersionUID = 4497834738069338734L; 371 372 private static final PlatformLogger log = PlatformLogger.getLogger("java.awt.Window"); 373 374 private static final boolean locationByPlatformProp; 375 376 transient boolean isTrayIconWindow = false; 377 378 /** 379 * These fields are initialized in the native peer code 380 * or via AWTAccessor's WindowAccessor. 381 */ 382 private transient volatile int securityWarningWidth = 0; 383 private transient volatile int securityWarningHeight = 0; 384 385 /** 386 * These fields represent the desired location for the security 387 * warning if this window is untrusted. 388 * See com.sun.awt.SecurityWarning for more details. 389 */ 390 private transient double securityWarningPointX = 2.0; 391 private transient double securityWarningPointY = 0.0; 392 private transient float securityWarningAlignmentX = RIGHT_ALIGNMENT; 393 private transient float securityWarningAlignmentY = TOP_ALIGNMENT; 394 395 static { 396 /* ensure that the necessary native libraries are loaded */ 397 Toolkit.loadLibraries(); 398 if (!GraphicsEnvironment.isHeadless()) { 399 initIDs(); 400 } 401 402 String s = (String) java.security.AccessController.doPrivileged( 403 new GetPropertyAction("java.awt.syncLWRequests")); 404 systemSyncLWRequests = (s != null && s.equals("true")); 405 s = (String) java.security.AccessController.doPrivileged( 406 new GetPropertyAction("java.awt.Window.locationByPlatform")); 407 locationByPlatformProp = (s != null && s.equals("true")); 408 } 409 410 /** 411 * Initialize JNI field and method IDs for fields that may be 412 accessed from C. 413 */ 414 private static native void initIDs(); 415 416 /** 417 * Constructs a new, initially invisible window in default size with the 418 * specified <code>GraphicsConfiguration</code>. 419 * <p> 420 * If there is a security manager, this method first calls 421 * the security manager's <code>checkTopLevelWindow</code> 422 * method with <code>this</code> 423 * as its argument to determine whether or not the window 424 * must be displayed with a warning banner. 425 * 426 * @param gc the <code>GraphicsConfiguration</code> of the target screen 427 * device. If <code>gc</code> is <code>null</code>, the system default 428 * <code>GraphicsConfiguration</code> is assumed 429 * @exception IllegalArgumentException if <code>gc</code> 430 * is not from a screen device 431 * @exception HeadlessException when 432 * <code>GraphicsEnvironment.isHeadless()</code> returns <code>true</code> 433 * 434 * @see java.awt.GraphicsEnvironment#isHeadless 435 * @see java.lang.SecurityManager#checkTopLevelWindow 436 */ 437 Window(GraphicsConfiguration gc) { 438 init(gc); 439 } 440 441 transient Object anchor = new Object(); 442 static class WindowDisposerRecord implements sun.java2d.DisposerRecord { 443 final WeakReference<Window> owner; 444 final WeakReference weakThis; 445 final WeakReference<AppContext> context; 446 WindowDisposerRecord(AppContext context, Window victim) { 447 owner = new WeakReference<Window>(victim.getOwner()); 448 weakThis = victim.weakThis; 449 this.context = new WeakReference<AppContext>(context); 450 } 451 public void dispose() { 452 Window parent = owner.get(); 453 if (parent != null) { 454 parent.removeOwnedWindow(weakThis); 455 } 456 AppContext ac = context.get(); 457 if (null != ac) { 458 Window.removeFromWindowList(ac, weakThis); 459 } 460 } 461 } 462 463 private GraphicsConfiguration initGC(GraphicsConfiguration gc) { 464 GraphicsEnvironment.checkHeadless(); 465 466 if (gc == null) { 467 gc = GraphicsEnvironment.getLocalGraphicsEnvironment(). 468 getDefaultScreenDevice().getDefaultConfiguration(); 469 } 470 setGraphicsConfiguration(gc); 471 472 return gc; 473 } 474 475 private void init(GraphicsConfiguration gc) { 476 GraphicsEnvironment.checkHeadless(); 477 478 syncLWRequests = systemSyncLWRequests; 479 480 weakThis = new WeakReference<Window>(this); 481 addToWindowList(); 482 483 setWarningString(); 484 this.cursor = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR); 485 this.visible = false; 486 487 gc = initGC(gc); 488 489 if (gc.getDevice().getType() != 490 GraphicsDevice.TYPE_RASTER_SCREEN) { 491 throw new IllegalArgumentException("not a screen device"); 492 } 493 setLayout(new BorderLayout()); 494 495 /* offset the initial location with the original of the screen */ 496 /* and any insets */ 497 Rectangle screenBounds = gc.getBounds(); 498 Insets screenInsets = getToolkit().getScreenInsets(gc); 499 int x = getX() + screenBounds.x + screenInsets.left; 500 int y = getY() + screenBounds.y + screenInsets.top; 501 if (x != this.x || y != this.y) { 502 setLocation(x, y); 503 /* reset after setLocation */ 504 setLocationByPlatform(locationByPlatformProp); 505 } 506 507 modalExclusionType = Dialog.ModalExclusionType.NO_EXCLUDE; 508 509 SunToolkit.checkAndSetPolicy(this, false); 510 } 511 512 /** 513 * Constructs a new, initially invisible window in the default size. 514 * 515 * <p>First, if there is a security manager, its 516 * <code>checkTopLevelWindow</code> 517 * method is called with <code>this</code> 518 * as its argument 519 * to see if it's ok to display the window without a warning banner. 520 * If the default implementation of <code>checkTopLevelWindow</code> 521 * is used (that is, that method is not overriden), then this results in 522 * a call to the security manager's <code>checkPermission</code> method 523 * with an <code>AWTPermission("showWindowWithoutWarningBanner")</code> 524 * permission. It that method raises a SecurityException, 525 * <code>checkTopLevelWindow</code> returns false, otherwise it 526 * returns true. If it returns false, a warning banner is created. 527 * 528 * @exception HeadlessException when 529 * <code>GraphicsEnvironment.isHeadless()</code> returns <code>true</code> 530 * 531 * @see java.awt.GraphicsEnvironment#isHeadless 532 * @see java.lang.SecurityManager#checkTopLevelWindow 533 */ 534 Window() throws HeadlessException { 535 GraphicsEnvironment.checkHeadless(); 536 init((GraphicsConfiguration)null); 537 } 538 539 /** 540 * Constructs a new, initially invisible window with the specified 541 * <code>Frame</code> as its owner. The window will not be focusable 542 * unless its owner is showing on the screen. 543 * <p> 544 * If there is a security manager, this method first calls 545 * the security manager's <code>checkTopLevelWindow</code> 546 * method with <code>this</code> 547 * as its argument to determine whether or not the window 548 * must be displayed with a warning banner. 549 * 550 * @param owner the <code>Frame</code> to act as owner or <code>null</code> 551 * if this window has no owner 552 * @exception IllegalArgumentException if the <code>owner</code>'s 553 * <code>GraphicsConfiguration</code> is not from a screen device 554 * @exception HeadlessException when 555 * <code>GraphicsEnvironment.isHeadless</code> returns <code>true</code> 556 * 557 * @see java.awt.GraphicsEnvironment#isHeadless 558 * @see java.lang.SecurityManager#checkTopLevelWindow 559 * @see #isShowing 560 */ 561 public Window(Frame owner) { 562 this(owner == null ? (GraphicsConfiguration)null : 563 owner.getGraphicsConfiguration()); 564 ownedInit(owner); 565 } 566 567 /** 568 * Constructs a new, initially invisible window with the specified 569 * <code>Window</code> as its owner. This window will not be focusable 570 * unless its nearest owning <code>Frame</code> or <code>Dialog</code> 571 * is showing on the screen. 572 * <p> 573 * If there is a security manager, this method first calls 574 * the security manager's <code>checkTopLevelWindow</code> 575 * method with <code>this</code> 576 * as its argument to determine whether or not the window 577 * must be displayed with a warning banner. 578 * 579 * @param owner the <code>Window</code> to act as owner or 580 * <code>null</code> if this window has no owner 581 * @exception IllegalArgumentException if the <code>owner</code>'s 582 * <code>GraphicsConfiguration</code> is not from a screen device 583 * @exception HeadlessException when 584 * <code>GraphicsEnvironment.isHeadless()</code> returns 585 * <code>true</code> 586 * 587 * @see java.awt.GraphicsEnvironment#isHeadless 588 * @see java.lang.SecurityManager#checkTopLevelWindow 589 * @see #isShowing 590 * 591 * @since 1.2 592 */ 593 public Window(Window owner) { 594 this(owner == null ? (GraphicsConfiguration)null : 595 owner.getGraphicsConfiguration()); 596 ownedInit(owner); 597 } 598 599 /** 600 * Constructs a new, initially invisible window with the specified owner 601 * <code>Window</code> and a <code>GraphicsConfiguration</code> 602 * of a screen device. The Window will not be focusable unless 603 * its nearest owning <code>Frame</code> or <code>Dialog</code> 604 * is showing on the screen. 605 * <p> 606 * If there is a security manager, this method first calls 607 * the security manager's <code>checkTopLevelWindow</code> 608 * method with <code>this</code> 609 * as its argument to determine whether or not the window 610 * must be displayed with a warning banner. 611 * 612 * @param owner the window to act as owner or <code>null</code> 613 * if this window has no owner 614 * @param gc the <code>GraphicsConfiguration</code> of the target 615 * screen device; if <code>gc</code> is <code>null</code>, 616 * the system default <code>GraphicsConfiguration</code> is assumed 617 * @exception IllegalArgumentException if <code>gc</code> 618 * is not from a screen device 619 * @exception HeadlessException when 620 * <code>GraphicsEnvironment.isHeadless()</code> returns 621 * <code>true</code> 622 * 623 * @see java.awt.GraphicsEnvironment#isHeadless 624 * @see java.lang.SecurityManager#checkTopLevelWindow 625 * @see GraphicsConfiguration#getBounds 626 * @see #isShowing 627 * @since 1.3 628 */ 629 public Window(Window owner, GraphicsConfiguration gc) { 630 this(gc); 631 ownedInit(owner); 632 } 633 634 private void ownedInit(Window owner) { 635 this.parent = owner; 636 if (owner != null) { 637 owner.addOwnedWindow(weakThis); 638 } 639 640 // Fix for 6758673: this call is moved here from init(gc), because 641 // WindowDisposerRecord requires a proper value of parent field. 642 Disposer.addRecord(anchor, new WindowDisposerRecord(appContext, this)); 643 } 644 645 /** 646 * Construct a name for this component. Called by getName() when the 647 * name is null. 648 */ 649 String constructComponentName() { 650 synchronized (Window.class) { 651 return base + nameCounter++; 652 } 653 } 654 655 /** 656 * Returns the sequence of images to be displayed as the icon for this window. 657 * <p> 658 * This method returns a copy of the internally stored list, so all operations 659 * on the returned object will not affect the window's behavior. 660 * 661 * @return the copy of icon images' list for this window, or 662 * empty list if this window doesn't have icon images. 663 * @see #setIconImages 664 * @see #setIconImage(Image) 665 * @since 1.6 666 */ 667 public java.util.List<Image> getIconImages() { 668 java.util.List<Image> icons = this.icons; 669 if (icons == null || icons.size() == 0) { 670 return new ArrayList<Image>(); 671 } 672 return new ArrayList<Image>(icons); 673 } 674 675 /** 676 * Sets the sequence of images to be displayed as the icon 677 * for this window. Subsequent calls to {@code getIconImages} will 678 * always return a copy of the {@code icons} list. 679 * <p> 680 * Depending on the platform capabilities one or several images 681 * of different dimensions will be used as the window's icon. 682 * <p> 683 * The {@code icons} list is scanned for the images of most 684 * appropriate dimensions from the beginning. If the list contains 685 * several images of the same size, the first will be used. 686 * <p> 687 * Ownerless windows with no icon specified use platfrom-default icon. 688 * The icon of an owned window may be inherited from the owner 689 * unless explicitly overridden. 690 * Setting the icon to {@code null} or empty list restores 691 * the default behavior. 692 * <p> 693 * Note : Native windowing systems may use different images of differing 694 * dimensions to represent a window, depending on the context (e.g. 695 * window decoration, window list, taskbar, etc.). They could also use 696 * just a single image for all contexts or no image at all. 697 * 698 * @param icons the list of icon images to be displayed. 699 * @see #getIconImages() 700 * @see #setIconImage(Image) 701 * @since 1.6 702 */ 703 public synchronized void setIconImages(java.util.List<? extends Image> icons) { 704 this.icons = (icons == null) ? new ArrayList<Image>() : 705 new ArrayList<Image>(icons); 706 WindowPeer peer = (WindowPeer)this.peer; 707 if (peer != null) { 708 peer.updateIconImages(); 709 } 710 // Always send a property change event 711 firePropertyChange("iconImage", null, null); 712 } 713 714 /** 715 * Sets the image to be displayed as the icon for this window. 716 * <p> 717 * This method can be used instead of {@link #setIconImages setIconImages()} 718 * to specify a single image as a window's icon. 719 * <p> 720 * The following statement: 721 * <pre> 722 * setIconImage(image); 723 * </pre> 724 * is equivalent to: 725 * <pre> 726 * ArrayList<Image> imageList = new ArrayList<Image>(); 727 * imageList.add(image); 728 * setIconImages(imageList); 729 * </pre> 730 * <p> 731 * Note : Native windowing systems may use different images of differing 732 * dimensions to represent a window, depending on the context (e.g. 733 * window decoration, window list, taskbar, etc.). They could also use 734 * just a single image for all contexts or no image at all. 735 * 736 * @param image the icon image to be displayed. 737 * @see #setIconImages 738 * @see #getIconImages() 739 * @since 1.6 740 */ 741 public void setIconImage(Image image) { 742 ArrayList<Image> imageList = new ArrayList<Image>(); 743 if (image != null) { 744 imageList.add(image); 745 } 746 setIconImages(imageList); 747 } 748 749 /** 750 * Makes this Window displayable by creating the connection to its 751 * native screen resource. 752 * This method is called internally by the toolkit and should 753 * not be called directly by programs. 754 * @see Component#isDisplayable 755 * @see Container#removeNotify 756 * @since JDK1.0 757 */ 758 public void addNotify() { 759 synchronized (getTreeLock()) { 760 Container parent = this.parent; 761 if (parent != null && parent.getPeer() == null) { 762 parent.addNotify(); 763 } 764 if (peer == null) { 765 peer = getToolkit().createWindow(this); 766 } 767 synchronized (allWindows) { 768 allWindows.add(this); 769 } 770 super.addNotify(); 771 } 772 } 773 774 /** 775 * {@inheritDoc} 776 */ 777 public void removeNotify() { 778 synchronized (getTreeLock()) { 779 synchronized (allWindows) { 780 allWindows.remove(this); 781 } 782 super.removeNotify(); 783 } 784 } 785 786 /** 787 * Causes this Window to be sized to fit the preferred size 788 * and layouts of its subcomponents. The resulting width and 789 * height of the window are automatically enlarged if either 790 * of dimensions is less than the minimum size as specified 791 * by the previous call to the {@code setMinimumSize} method. 792 * <p> 793 * If the window and/or its owner are not displayable yet, 794 * both of them are made displayable before calculating 795 * the preferred size. The Window is validated after its 796 * size is being calculated. 797 * 798 * @see Component#isDisplayable 799 * @see #setMinimumSize 800 */ 801 public void pack() { 802 Container parent = this.parent; 803 if (parent != null && parent.getPeer() == null) { 804 parent.addNotify(); 805 } 806 if (peer == null) { 807 addNotify(); 808 } 809 Dimension newSize = getPreferredSize(); 810 if (peer != null) { 811 setClientSize(newSize.width, newSize.height); 812 } 813 814 if(beforeFirstShow) { 815 isPacked = true; 816 } 817 818 validateUnconditionally(); 819 } 820 821 /** 822 * Sets the minimum size of this window to a constant 823 * value. Subsequent calls to {@code getMinimumSize} 824 * will always return this value. If current window's 825 * size is less than {@code minimumSize} the size of the 826 * window is automatically enlarged to honor the minimum size. 827 * <p> 828 * If the {@code setSize} or {@code setBounds} methods 829 * are called afterwards with a width or height less than 830 * that was specified by the {@code setMinimumSize} method 831 * the window is automatically enlarged to meet 832 * the {@code minimumSize} value. The {@code minimumSize} 833 * value also affects the behaviour of the {@code pack} method. 834 * <p> 835 * The default behavior is restored by setting the minimum size 836 * parameter to the {@code null} value. 837 * <p> 838 * Resizing operation may be restricted if the user tries 839 * to resize window below the {@code minimumSize} value. 840 * This behaviour is platform-dependent. 841 * 842 * @param minimumSize the new minimum size of this window 843 * @see Component#setMinimumSize 844 * @see #getMinimumSize 845 * @see #isMinimumSizeSet 846 * @see #setSize(Dimension) 847 * @see #pack 848 * @since 1.6 849 */ 850 public void setMinimumSize(Dimension minimumSize) { 851 synchronized (getTreeLock()) { 852 super.setMinimumSize(minimumSize); 853 Dimension size = getSize(); 854 if (isMinimumSizeSet()) { 855 if (size.width < minimumSize.width || size.height < minimumSize.height) { 856 int nw = Math.max(width, minimumSize.width); 857 int nh = Math.max(height, minimumSize.height); 858 setSize(nw, nh); 859 } 860 } 861 if (peer != null) { 862 ((WindowPeer)peer).updateMinimumSize(); 863 } 864 } 865 } 866 867 /** 868 * {@inheritDoc} 869 * <p> 870 * The {@code d.width} and {@code d.height} values 871 * are automatically enlarged if either is less than 872 * the minimum size as specified by previous call to 873 * {@code setMinimumSize}. 874 * <p> 875 * The method changes the geometry-related data. Therefore, 876 * the native windowing system may ignore such requests, or it may modify 877 * the requested data, so that the {@code Window} object is placed and sized 878 * in a way that corresponds closely to the desktop settings. 879 * 880 * @see #getSize 881 * @see #setBounds 882 * @see #setMinimumSize 883 * @since 1.6 884 */ 885 public void setSize(Dimension d) { 886 super.setSize(d); 887 } 888 889 /** 890 * {@inheritDoc} 891 * <p> 892 * The {@code width} and {@code height} values 893 * are automatically enlarged if either is less than 894 * the minimum size as specified by previous call to 895 * {@code setMinimumSize}. 896 * <p> 897 * The method changes the geometry-related data. Therefore, 898 * the native windowing system may ignore such requests, or it may modify 899 * the requested data, so that the {@code Window} object is placed and sized 900 * in a way that corresponds closely to the desktop settings. 901 * 902 * @see #getSize 903 * @see #setBounds 904 * @see #setMinimumSize 905 * @since 1.6 906 */ 907 public void setSize(int width, int height) { 908 super.setSize(width, height); 909 } 910 911 /** 912 * {@inheritDoc} 913 * <p> 914 * The method changes the geometry-related data. Therefore, 915 * the native windowing system may ignore such requests, or it may modify 916 * the requested data, so that the {@code Window} object is placed and sized 917 * in a way that corresponds closely to the desktop settings. 918 */ 919 @Override 920 public void setLocation(int x, int y) { 921 super.setLocation(x, y); 922 } 923 924 /** 925 * {@inheritDoc} 926 * <p> 927 * The method changes the geometry-related data. Therefore, 928 * the native windowing system may ignore such requests, or it may modify 929 * the requested data, so that the {@code Window} object is placed and sized 930 * in a way that corresponds closely to the desktop settings. 931 */ 932 @Override 933 public void setLocation(Point p) { 934 super.setLocation(p); 935 } 936 937 /** 938 * @deprecated As of JDK version 1.1, 939 * replaced by <code>setBounds(int, int, int, int)</code>. 940 */ 941 @Deprecated 942 public void reshape(int x, int y, int width, int height) { 943 if (isMinimumSizeSet()) { 944 Dimension minSize = getMinimumSize(); 945 if (width < minSize.width) { 946 width = minSize.width; 947 } 948 if (height < minSize.height) { 949 height = minSize.height; 950 } 951 } 952 super.reshape(x, y, width, height); 953 } 954 955 void setClientSize(int w, int h) { 956 synchronized (getTreeLock()) { 957 setBoundsOp(ComponentPeer.SET_CLIENT_SIZE); 958 setBounds(x, y, w, h); 959 } 960 } 961 962 static private final AtomicBoolean 963 beforeFirstWindowShown = new AtomicBoolean(true); 964 965 final void closeSplashScreen() { 966 if (isTrayIconWindow) { 967 return; 968 } 969 if (beforeFirstWindowShown.getAndSet(false)) { 970 // We don't use SplashScreen.getSplashScreen() to avoid instantiating 971 // the object if it hasn't been requested by user code explicitly 972 SunToolkit.closeSplashScreen(); 973 SplashScreen.markClosed(); 974 } 975 } 976 977 /** 978 * Shows or hides this {@code Window} depending on the value of parameter 979 * {@code b}. 980 * <p> 981 * If the method shows the window then the window is also made 982 * focused under the following conditions: 983 * <ul> 984 * <li> The {@code Window} meets the requirements outlined in the 985 * {@link #isFocusableWindow} method. 986 * <li> The {@code Window}'s {@code autoRequestFocus} property is of the {@code true} value. 987 * <li> Native windowing system allows the {@code Window} to get focused. 988 * </ul> 989 * There is an exception for the second condition (the value of the 990 * {@code autoRequestFocus} property). The property is not taken into account if the 991 * window is a modal dialog, which blocks the currently focused window. 992 * <p> 993 * Developers must never assume that the window is the focused or active window 994 * until it receives a WINDOW_GAINED_FOCUS or WINDOW_ACTIVATED event. 995 * @param b if {@code true}, makes the {@code Window} visible, 996 * otherwise hides the {@code Window}. 997 * If the {@code Window} and/or its owner 998 * are not yet displayable, both are made displayable. The 999 * {@code Window} will be validated prior to being made visible. 1000 * If the {@code Window} is already visible, this will bring the 1001 * {@code Window} to the front.<p> 1002 * If {@code false}, hides this {@code Window}, its subcomponents, and all 1003 * of its owned children. 1004 * The {@code Window} and its subcomponents can be made visible again 1005 * with a call to {@code #setVisible(true)}. 1006 * @see java.awt.Component#isDisplayable 1007 * @see java.awt.Component#setVisible 1008 * @see java.awt.Window#toFront 1009 * @see java.awt.Window#dispose 1010 * @see java.awt.Window#setAutoRequestFocus 1011 * @see java.awt.Window#isFocusableWindow 1012 */ 1013 public void setVisible(boolean b) { 1014 super.setVisible(b); 1015 } 1016 1017 /** 1018 * Makes the Window visible. If the Window and/or its owner 1019 * are not yet displayable, both are made displayable. The 1020 * Window will be validated prior to being made visible. 1021 * If the Window is already visible, this will bring the Window 1022 * to the front. 1023 * @see Component#isDisplayable 1024 * @see #toFront 1025 * @deprecated As of JDK version 1.5, replaced by 1026 * {@link #setVisible(boolean)}. 1027 */ 1028 @Deprecated 1029 public void show() { 1030 if (peer == null) { 1031 addNotify(); 1032 } 1033 validateUnconditionally(); 1034 1035 isInShow = true; 1036 if (visible) { 1037 toFront(); 1038 } else { 1039 beforeFirstShow = false; 1040 closeSplashScreen(); 1041 Dialog.checkShouldBeBlocked(this); 1042 super.show(); 1043 locationByPlatform = false; 1044 for (int i = 0; i < ownedWindowList.size(); i++) { 1045 Window child = ownedWindowList.elementAt(i).get(); 1046 if ((child != null) && child.showWithParent) { 1047 child.show(); 1048 child.showWithParent = false; 1049 } // endif 1050 } // endfor 1051 if (!isModalBlocked()) { 1052 updateChildrenBlocking(); 1053 } else { 1054 // fix for 6532736: after this window is shown, its blocker 1055 // should be raised to front 1056 modalBlocker.toFront_NoClientCode(); 1057 } 1058 if (this instanceof Frame || this instanceof Dialog) { 1059 updateChildFocusableWindowState(this); 1060 } 1061 } 1062 isInShow = false; 1063 1064 // If first time shown, generate WindowOpened event 1065 if ((state & OPENED) == 0) { 1066 postWindowEvent(WindowEvent.WINDOW_OPENED); 1067 state |= OPENED; 1068 } 1069 } 1070 1071 static void updateChildFocusableWindowState(Window w) { 1072 if (w.getPeer() != null && w.isShowing()) { 1073 ((WindowPeer)w.getPeer()).updateFocusableWindowState(); 1074 } 1075 for (int i = 0; i < w.ownedWindowList.size(); i++) { 1076 Window child = w.ownedWindowList.elementAt(i).get(); 1077 if (child != null) { 1078 updateChildFocusableWindowState(child); 1079 } 1080 } 1081 } 1082 1083 synchronized void postWindowEvent(int id) { 1084 if (windowListener != null 1085 || (eventMask & AWTEvent.WINDOW_EVENT_MASK) != 0 1086 || Toolkit.enabledOnToolkit(AWTEvent.WINDOW_EVENT_MASK)) { 1087 WindowEvent e = new WindowEvent(this, id); 1088 Toolkit.getEventQueue().postEvent(e); 1089 } 1090 } 1091 1092 /** 1093 * Hide this Window, its subcomponents, and all of its owned children. 1094 * The Window and its subcomponents can be made visible again 1095 * with a call to {@code show}. 1096 * </p> 1097 * @see #show 1098 * @see #dispose 1099 * @deprecated As of JDK version 1.5, replaced by 1100 * {@link #setVisible(boolean)}. 1101 */ 1102 @Deprecated 1103 public void hide() { 1104 synchronized(ownedWindowList) { 1105 for (int i = 0; i < ownedWindowList.size(); i++) { 1106 Window child = ownedWindowList.elementAt(i).get(); 1107 if ((child != null) && child.visible) { 1108 child.hide(); 1109 child.showWithParent = true; 1110 } 1111 } 1112 } 1113 if (isModalBlocked()) { 1114 modalBlocker.unblockWindow(this); 1115 } 1116 super.hide(); 1117 } 1118 1119 final void clearMostRecentFocusOwnerOnHide() { 1120 /* do nothing */ 1121 } 1122 1123 /** 1124 * Releases all of the native screen resources used by this 1125 * <code>Window</code>, its subcomponents, and all of its owned 1126 * children. That is, the resources for these <code>Component</code>s 1127 * will be destroyed, any memory they consume will be returned to the 1128 * OS, and they will be marked as undisplayable. 1129 * <p> 1130 * The <code>Window</code> and its subcomponents can be made displayable 1131 * again by rebuilding the native resources with a subsequent call to 1132 * <code>pack</code> or <code>show</code>. The states of the recreated 1133 * <code>Window</code> and its subcomponents will be identical to the 1134 * states of these objects at the point where the <code>Window</code> 1135 * was disposed (not accounting for additional modifications between 1136 * those actions). 1137 * <p> 1138 * <b>Note</b>: When the last displayable window 1139 * within the Java virtual machine (VM) is disposed of, the VM may 1140 * terminate. See <a href="doc-files/AWTThreadIssues.html#Autoshutdown"> 1141 * AWT Threading Issues</a> for more information. 1142 * @see Component#isDisplayable 1143 * @see #pack 1144 * @see #show 1145 */ 1146 public void dispose() { 1147 doDispose(); 1148 } 1149 1150 /* 1151 * Fix for 4872170. 1152 * If dispose() is called on parent then its children have to be disposed as well 1153 * as reported in javadoc. So we need to implement this functionality even if a 1154 * child overrides dispose() in a wrong way without calling super.dispose(). 1155 */ 1156 void disposeImpl() { 1157 dispose(); 1158 if (getPeer() != null) { 1159 doDispose(); 1160 } 1161 } 1162 1163 void doDispose() { 1164 class DisposeAction implements Runnable { 1165 public void run() { 1166 disposing = true; 1167 // Check if this window is the fullscreen window for the 1168 // device. Exit the fullscreen mode prior to disposing 1169 // of the window if that's the case. 1170 GraphicsDevice gd = getGraphicsConfiguration().getDevice(); 1171 if (gd.getFullScreenWindow() == Window.this) { 1172 gd.setFullScreenWindow(null); 1173 } 1174 1175 Object[] ownedWindowArray; 1176 synchronized(ownedWindowList) { 1177 ownedWindowArray = new Object[ownedWindowList.size()]; 1178 ownedWindowList.copyInto(ownedWindowArray); 1179 } 1180 for (int i = 0; i < ownedWindowArray.length; i++) { 1181 Window child = (Window) (((WeakReference) 1182 (ownedWindowArray[i])).get()); 1183 if (child != null) { 1184 child.disposeImpl(); 1185 } 1186 } 1187 hide(); 1188 beforeFirstShow = true; 1189 removeNotify(); 1190 synchronized (inputContextLock) { 1191 if (inputContext != null) { 1192 inputContext.dispose(); 1193 inputContext = null; 1194 } 1195 } 1196 clearCurrentFocusCycleRootOnHide(); 1197 disposing = false; 1198 } 1199 } 1200 DisposeAction action = new DisposeAction(); 1201 if (EventQueue.isDispatchThread()) { 1202 action.run(); 1203 } 1204 else { 1205 try { 1206 EventQueue.invokeAndWait(action); 1207 } 1208 catch (InterruptedException e) { 1209 System.err.println("Disposal was interrupted:"); 1210 e.printStackTrace(); 1211 } 1212 catch (InvocationTargetException e) { 1213 System.err.println("Exception during disposal:"); 1214 e.printStackTrace(); 1215 } 1216 } 1217 // Execute outside the Runnable because postWindowEvent is 1218 // synchronized on (this). We don't need to synchronize the call 1219 // on the EventQueue anyways. 1220 postWindowEvent(WindowEvent.WINDOW_CLOSED); 1221 } 1222 1223 /* 1224 * Should only be called while holding the tree lock. 1225 * It's overridden here because parent == owner in Window, 1226 * and we shouldn't adjust counter on owner 1227 */ 1228 void adjustListeningChildrenOnParent(long mask, int num) { 1229 } 1230 1231 // Should only be called while holding tree lock 1232 void adjustDecendantsOnParent(int num) { 1233 // do nothing since parent == owner and we shouldn't 1234 // ajust counter on owner 1235 } 1236 1237 /** 1238 * If this Window is visible, brings this Window to the front and may make 1239 * it the focused Window. 1240 * <p> 1241 * Places this Window at the top of the stacking order and shows it in 1242 * front of any other Windows in this VM. No action will take place if this 1243 * Window is not visible. Some platforms do not allow Windows which own 1244 * other Windows to appear on top of those owned Windows. Some platforms 1245 * may not permit this VM to place its Windows above windows of native 1246 * applications, or Windows of other VMs. This permission may depend on 1247 * whether a Window in this VM is already focused. Every attempt will be 1248 * made to move this Window as high as possible in the stacking order; 1249 * however, developers should not assume that this method will move this 1250 * Window above all other windows in every situation. 1251 * <p> 1252 * Developers must never assume that this Window is the focused or active 1253 * Window until this Window receives a WINDOW_GAINED_FOCUS or WINDOW_ACTIVATED 1254 * event. On platforms where the top-most window is the focused window, this 1255 * method will <b>probably</b> focus this Window (if it is not already focused) 1256 * under the following conditions: 1257 * <ul> 1258 * <li> The window meets the requirements outlined in the 1259 * {@link #isFocusableWindow} method. 1260 * <li> The window's property {@code autoRequestFocus} is of the 1261 * {@code true} value. 1262 * <li> Native windowing system allows the window to get focused. 1263 * </ul> 1264 * On platforms where the stacking order does not typically affect the focused 1265 * window, this method will <b>probably</b> leave the focused and active 1266 * Windows unchanged. 1267 * <p> 1268 * If this method causes this Window to be focused, and this Window is a 1269 * Frame or a Dialog, it will also become activated. If this Window is 1270 * focused, but it is not a Frame or a Dialog, then the first Frame or 1271 * Dialog that is an owner of this Window will be activated. 1272 * <p> 1273 * If this window is blocked by modal dialog, then the blocking dialog 1274 * is brought to the front and remains above the blocked window. 1275 * 1276 * @see #toBack 1277 * @see #setAutoRequestFocus 1278 * @see #isFocusableWindow 1279 */ 1280 public void toFront() { 1281 toFront_NoClientCode(); 1282 } 1283 1284 // This functionality is implemented in a final package-private method 1285 // to insure that it cannot be overridden by client subclasses. 1286 final void toFront_NoClientCode() { 1287 if (visible) { 1288 WindowPeer peer = (WindowPeer)this.peer; 1289 if (peer != null) { 1290 peer.toFront(); 1291 } 1292 if (isModalBlocked()) { 1293 modalBlocker.toFront_NoClientCode(); 1294 } 1295 } 1296 } 1297 1298 /** 1299 * If this Window is visible, sends this Window to the back and may cause 1300 * it to lose focus or activation if it is the focused or active Window. 1301 * <p> 1302 * Places this Window at the bottom of the stacking order and shows it 1303 * behind any other Windows in this VM. No action will take place is this 1304 * Window is not visible. Some platforms do not allow Windows which are 1305 * owned by other Windows to appear below their owners. Every attempt will 1306 * be made to move this Window as low as possible in the stacking order; 1307 * however, developers should not assume that this method will move this 1308 * Window below all other windows in every situation. 1309 * <p> 1310 * Because of variations in native windowing systems, no guarantees about 1311 * changes to the focused and active Windows can be made. Developers must 1312 * never assume that this Window is no longer the focused or active Window 1313 * until this Window receives a WINDOW_LOST_FOCUS or WINDOW_DEACTIVATED 1314 * event. On platforms where the top-most window is the focused window, 1315 * this method will <b>probably</b> cause this Window to lose focus. In 1316 * that case, the next highest, focusable Window in this VM will receive 1317 * focus. On platforms where the stacking order does not typically affect 1318 * the focused window, this method will <b>probably</b> leave the focused 1319 * and active Windows unchanged. 1320 * 1321 * @see #toFront 1322 */ 1323 public void toBack() { 1324 toBack_NoClientCode(); 1325 } 1326 1327 // This functionality is implemented in a final package-private method 1328 // to insure that it cannot be overridden by client subclasses. 1329 final void toBack_NoClientCode() { 1330 if(isAlwaysOnTop()) { 1331 try { 1332 setAlwaysOnTop(false); 1333 }catch(SecurityException e) { 1334 } 1335 } 1336 if (visible) { 1337 WindowPeer peer = (WindowPeer)this.peer; 1338 if (peer != null) { 1339 peer.toBack(); 1340 } 1341 } 1342 } 1343 1344 /** 1345 * Returns the toolkit of this frame. 1346 * @return the toolkit of this window. 1347 * @see Toolkit 1348 * @see Toolkit#getDefaultToolkit 1349 * @see Component#getToolkit 1350 */ 1351 public Toolkit getToolkit() { 1352 return Toolkit.getDefaultToolkit(); 1353 } 1354 1355 /** 1356 * Gets the warning string that is displayed with this window. 1357 * If this window is insecure, the warning string is displayed 1358 * somewhere in the visible area of the window. A window is 1359 * insecure if there is a security manager, and the security 1360 * manager's <code>checkTopLevelWindow</code> method returns 1361 * <code>false</code> when this window is passed to it as an 1362 * argument. 1363 * <p> 1364 * If the window is secure, then <code>getWarningString</code> 1365 * returns <code>null</code>. If the window is insecure, this 1366 * method checks for the system property 1367 * <code>awt.appletWarning</code> 1368 * and returns the string value of that property. 1369 * @return the warning string for this window. 1370 * @see java.lang.SecurityManager#checkTopLevelWindow(java.lang.Object) 1371 */ 1372 public final String getWarningString() { 1373 return warningString; 1374 } 1375 1376 private void setWarningString() { 1377 warningString = null; 1378 SecurityManager sm = System.getSecurityManager(); 1379 if (sm != null) { 1380 if (!sm.checkTopLevelWindow(this)) { 1381 // make sure the privileged action is only 1382 // for getting the property! We don't want the 1383 // above checkTopLevelWindow call to always succeed! 1384 warningString = (String) AccessController.doPrivileged( 1385 new GetPropertyAction("awt.appletWarning", 1386 "Java Applet Window")); 1387 } 1388 } 1389 } 1390 1391 /** 1392 * Gets the <code>Locale</code> object that is associated 1393 * with this window, if the locale has been set. 1394 * If no locale has been set, then the default locale 1395 * is returned. 1396 * @return the locale that is set for this window. 1397 * @see java.util.Locale 1398 * @since JDK1.1 1399 */ 1400 public Locale getLocale() { 1401 if (this.locale == null) { 1402 return Locale.getDefault(); 1403 } 1404 return this.locale; 1405 } 1406 1407 /** 1408 * Gets the input context for this window. A window always has an input context, 1409 * which is shared by subcomponents unless they create and set their own. 1410 * @see Component#getInputContext 1411 * @since 1.2 1412 */ 1413 public InputContext getInputContext() { 1414 synchronized (inputContextLock) { 1415 if (inputContext == null) { 1416 inputContext = InputContext.getInstance(); 1417 } 1418 } 1419 return inputContext; 1420 } 1421 1422 /** 1423 * Set the cursor image to a specified cursor. 1424 * <p> 1425 * The method may have no visual effect if the Java platform 1426 * implementation and/or the native system do not support 1427 * changing the mouse cursor shape. 1428 * @param cursor One of the constants defined 1429 * by the <code>Cursor</code> class. If this parameter is null 1430 * then the cursor for this window will be set to the type 1431 * Cursor.DEFAULT_CURSOR. 1432 * @see Component#getCursor 1433 * @see Cursor 1434 * @since JDK1.1 1435 */ 1436 public void setCursor(Cursor cursor) { 1437 if (cursor == null) { 1438 cursor = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR); 1439 } 1440 super.setCursor(cursor); 1441 } 1442 1443 /** 1444 * Returns the owner of this window. 1445 * @since 1.2 1446 */ 1447 public Window getOwner() { 1448 return getOwner_NoClientCode(); 1449 } 1450 final Window getOwner_NoClientCode() { 1451 return (Window)parent; 1452 } 1453 1454 /** 1455 * Return an array containing all the windows this 1456 * window currently owns. 1457 * @since 1.2 1458 */ 1459 public Window[] getOwnedWindows() { 1460 return getOwnedWindows_NoClientCode(); 1461 } 1462 final Window[] getOwnedWindows_NoClientCode() { 1463 Window realCopy[]; 1464 1465 synchronized(ownedWindowList) { 1466 // Recall that ownedWindowList is actually a Vector of 1467 // WeakReferences and calling get() on one of these references 1468 // may return null. Make two arrays-- one the size of the 1469 // Vector (fullCopy with size fullSize), and one the size of 1470 // all non-null get()s (realCopy with size realSize). 1471 int fullSize = ownedWindowList.size(); 1472 int realSize = 0; 1473 Window fullCopy[] = new Window[fullSize]; 1474 1475 for (int i = 0; i < fullSize; i++) { 1476 fullCopy[realSize] = ownedWindowList.elementAt(i).get(); 1477 1478 if (fullCopy[realSize] != null) { 1479 realSize++; 1480 } 1481 } 1482 1483 if (fullSize != realSize) { 1484 realCopy = Arrays.copyOf(fullCopy, realSize); 1485 } else { 1486 realCopy = fullCopy; 1487 } 1488 } 1489 1490 return realCopy; 1491 } 1492 1493 boolean isModalBlocked() { 1494 return modalBlocker != null; 1495 } 1496 1497 void setModalBlocked(Dialog blocker, boolean blocked, boolean peerCall) { 1498 this.modalBlocker = blocked ? blocker : null; 1499 if (peerCall) { 1500 WindowPeer peer = (WindowPeer)this.peer; 1501 if (peer != null) { 1502 peer.setModalBlocked(blocker, blocked); 1503 } 1504 } 1505 } 1506 1507 Dialog getModalBlocker() { 1508 return modalBlocker; 1509 } 1510 1511 /* 1512 * Returns a list of all displayable Windows, i. e. all the 1513 * Windows which peer is not null. 1514 * 1515 * @see #addNotify 1516 * @see #removeNotify 1517 */ 1518 static IdentityArrayList<Window> getAllWindows() { 1519 synchronized (allWindows) { 1520 IdentityArrayList<Window> v = new IdentityArrayList<Window>(); 1521 v.addAll(allWindows); 1522 return v; 1523 } 1524 } 1525 1526 static IdentityArrayList<Window> getAllUnblockedWindows() { 1527 synchronized (allWindows) { 1528 IdentityArrayList<Window> unblocked = new IdentityArrayList<Window>(); 1529 for (int i = 0; i < allWindows.size(); i++) { 1530 Window w = allWindows.get(i); 1531 if (!w.isModalBlocked()) { 1532 unblocked.add(w); 1533 } 1534 } 1535 return unblocked; 1536 } 1537 } 1538 1539 private static Window[] getWindows(AppContext appContext) { 1540 synchronized (Window.class) { 1541 Window realCopy[]; 1542 Vector<WeakReference<Window>> windowList = 1543 (Vector<WeakReference<Window>>)appContext.get(Window.class); 1544 if (windowList != null) { 1545 int fullSize = windowList.size(); 1546 int realSize = 0; 1547 Window fullCopy[] = new Window[fullSize]; 1548 for (int i = 0; i < fullSize; i++) { 1549 Window w = windowList.get(i).get(); 1550 if (w != null) { 1551 fullCopy[realSize++] = w; 1552 } 1553 } 1554 if (fullSize != realSize) { 1555 realCopy = Arrays.copyOf(fullCopy, realSize); 1556 } else { 1557 realCopy = fullCopy; 1558 } 1559 } else { 1560 realCopy = new Window[0]; 1561 } 1562 return realCopy; 1563 } 1564 } 1565 1566 /** 1567 * Returns an array of all {@code Window}s, both owned and ownerless, 1568 * created by this application. 1569 * If called from an applet, the array includes only the {@code Window}s 1570 * accessible by that applet. 1571 * <p> 1572 * <b>Warning:</b> this method may return system created windows, such 1573 * as a print dialog. Applications should not assume the existence of 1574 * these dialogs, nor should an application assume anything about these 1575 * dialogs such as component positions, <code>LayoutManager</code>s 1576 * or serialization. 1577 * 1578 * @see Frame#getFrames 1579 * @see Window#getOwnerlessWindows 1580 * 1581 * @since 1.6 1582 */ 1583 public static Window[] getWindows() { 1584 return getWindows(AppContext.getAppContext()); 1585 } 1586 1587 /** 1588 * Returns an array of all {@code Window}s created by this application 1589 * that have no owner. They include {@code Frame}s and ownerless 1590 * {@code Dialog}s and {@code Window}s. 1591 * If called from an applet, the array includes only the {@code Window}s 1592 * accessible by that applet. 1593 * <p> 1594 * <b>Warning:</b> this method may return system created windows, such 1595 * as a print dialog. Applications should not assume the existence of 1596 * these dialogs, nor should an application assume anything about these 1597 * dialogs such as component positions, <code>LayoutManager</code>s 1598 * or serialization. 1599 * 1600 * @see Frame#getFrames 1601 * @see Window#getWindows() 1602 * 1603 * @since 1.6 1604 */ 1605 public static Window[] getOwnerlessWindows() { 1606 Window[] allWindows = Window.getWindows(); 1607 1608 int ownerlessCount = 0; 1609 for (Window w : allWindows) { 1610 if (w.getOwner() == null) { 1611 ownerlessCount++; 1612 } 1613 } 1614 1615 Window[] ownerless = new Window[ownerlessCount]; 1616 int c = 0; 1617 for (Window w : allWindows) { 1618 if (w.getOwner() == null) { 1619 ownerless[c++] = w; 1620 } 1621 } 1622 1623 return ownerless; 1624 } 1625 1626 Window getDocumentRoot() { 1627 synchronized (getTreeLock()) { 1628 Window w = this; 1629 while (w.getOwner() != null) { 1630 w = w.getOwner(); 1631 } 1632 return w; 1633 } 1634 } 1635 1636 /** 1637 * Specifies the modal exclusion type for this window. If a window is modal 1638 * excluded, it is not blocked by some modal dialogs. See {@link 1639 * java.awt.Dialog.ModalExclusionType Dialog.ModalExclusionType} for 1640 * possible modal exclusion types. 1641 * <p> 1642 * If the given type is not supported, <code>NO_EXCLUDE</code> is used. 1643 * <p> 1644 * Note: changing the modal exclusion type for a visible window may have no 1645 * effect until it is hidden and then shown again. 1646 * 1647 * @param exclusionType the modal exclusion type for this window; a <code>null</code> 1648 * value is equivivalent to {@link Dialog.ModalExclusionType#NO_EXCLUDE 1649 * NO_EXCLUDE} 1650 * @throws SecurityException if the calling thread does not have permission 1651 * to set the modal exclusion property to the window with the given 1652 * <code>exclusionType</code> 1653 * @see java.awt.Dialog.ModalExclusionType 1654 * @see java.awt.Window#getModalExclusionType 1655 * @see java.awt.Toolkit#isModalExclusionTypeSupported 1656 * 1657 * @since 1.6 1658 */ 1659 public void setModalExclusionType(Dialog.ModalExclusionType exclusionType) { 1660 if (exclusionType == null) { 1661 exclusionType = Dialog.ModalExclusionType.NO_EXCLUDE; 1662 } 1663 if (!Toolkit.getDefaultToolkit().isModalExclusionTypeSupported(exclusionType)) { 1664 exclusionType = Dialog.ModalExclusionType.NO_EXCLUDE; 1665 } 1666 if (modalExclusionType == exclusionType) { 1667 return; 1668 } 1669 if (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE) { 1670 SecurityManager sm = System.getSecurityManager(); 1671 if (sm != null) { 1672 sm.checkPermission(SecurityConstants.AWT.TOOLKIT_MODALITY_PERMISSION); 1673 } 1674 } 1675 modalExclusionType = exclusionType; 1676 1677 // if we want on-fly changes, we need to uncomment the lines below 1678 // and override the method in Dialog to use modalShow() instead 1679 // of updateChildrenBlocking() 1680 /* 1681 if (isModalBlocked()) { 1682 modalBlocker.unblockWindow(this); 1683 } 1684 Dialog.checkShouldBeBlocked(this); 1685 updateChildrenBlocking(); 1686 */ 1687 } 1688 1689 /** 1690 * Returns the modal exclusion type of this window. 1691 * 1692 * @return the modal exclusion type of this window 1693 * 1694 * @see java.awt.Dialog.ModalExclusionType 1695 * @see java.awt.Window#setModalExclusionType 1696 * 1697 * @since 1.6 1698 */ 1699 public Dialog.ModalExclusionType getModalExclusionType() { 1700 return modalExclusionType; 1701 } 1702 1703 boolean isModalExcluded(Dialog.ModalExclusionType exclusionType) { 1704 if ((modalExclusionType != null) && 1705 modalExclusionType.compareTo(exclusionType) >= 0) 1706 { 1707 return true; 1708 } 1709 Window owner = getOwner_NoClientCode(); 1710 return (owner != null) && owner.isModalExcluded(exclusionType); 1711 } 1712 1713 void updateChildrenBlocking() { 1714 Vector<Window> childHierarchy = new Vector<Window>(); 1715 Window[] ownedWindows = getOwnedWindows(); 1716 for (int i = 0; i < ownedWindows.length; i++) { 1717 childHierarchy.add(ownedWindows[i]); 1718 } 1719 int k = 0; 1720 while (k < childHierarchy.size()) { 1721 Window w = childHierarchy.get(k); 1722 if (w.isVisible()) { 1723 if (w.isModalBlocked()) { 1724 Dialog blocker = w.getModalBlocker(); 1725 blocker.unblockWindow(w); 1726 } 1727 Dialog.checkShouldBeBlocked(w); 1728 Window[] wOwned = w.getOwnedWindows(); 1729 for (int j = 0; j < wOwned.length; j++) { 1730 childHierarchy.add(wOwned[j]); 1731 } 1732 } 1733 k++; 1734 } 1735 } 1736 1737 /** 1738 * Adds the specified window listener to receive window events from 1739 * this window. 1740 * If l is null, no exception is thrown and no action is performed. 1741 * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" 1742 * >AWT Threading Issues</a> for details on AWT's threading model. 1743 * 1744 * @param l the window listener 1745 * @see #removeWindowListener 1746 * @see #getWindowListeners 1747 */ 1748 public synchronized void addWindowListener(WindowListener l) { 1749 if (l == null) { 1750 return; 1751 } 1752 newEventsOnly = true; 1753 windowListener = AWTEventMulticaster.add(windowListener, l); 1754 } 1755 1756 /** 1757 * Adds the specified window state listener to receive window 1758 * events from this window. If <code>l</code> is <code>null</code>, 1759 * no exception is thrown and no action is performed. 1760 * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" 1761 * >AWT Threading Issues</a> for details on AWT's threading model. 1762 * 1763 * @param l the window state listener 1764 * @see #removeWindowStateListener 1765 * @see #getWindowStateListeners 1766 * @since 1.4 1767 */ 1768 public synchronized void addWindowStateListener(WindowStateListener l) { 1769 if (l == null) { 1770 return; 1771 } 1772 windowStateListener = AWTEventMulticaster.add(windowStateListener, l); 1773 newEventsOnly = true; 1774 } 1775 1776 /** 1777 * Adds the specified window focus listener to receive window events 1778 * from this window. 1779 * If l is null, no exception is thrown and no action is performed. 1780 * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" 1781 * >AWT Threading Issues</a> for details on AWT's threading model. 1782 * 1783 * @param l the window focus listener 1784 * @see #removeWindowFocusListener 1785 * @see #getWindowFocusListeners 1786 * @since 1.4 1787 */ 1788 public synchronized void addWindowFocusListener(WindowFocusListener l) { 1789 if (l == null) { 1790 return; 1791 } 1792 windowFocusListener = AWTEventMulticaster.add(windowFocusListener, l); 1793 newEventsOnly = true; 1794 } 1795 1796 /** 1797 * Removes the specified window listener so that it no longer 1798 * receives window events from this window. 1799 * If l is null, no exception is thrown and no action is performed. 1800 * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" 1801 * >AWT Threading Issues</a> for details on AWT's threading model. 1802 * 1803 * @param l the window listener 1804 * @see #addWindowListener 1805 * @see #getWindowListeners 1806 */ 1807 public synchronized void removeWindowListener(WindowListener l) { 1808 if (l == null) { 1809 return; 1810 } 1811 windowListener = AWTEventMulticaster.remove(windowListener, l); 1812 } 1813 1814 /** 1815 * Removes the specified window state listener so that it no 1816 * longer receives window events from this window. If 1817 * <code>l</code> is <code>null</code>, no exception is thrown and 1818 * no action is performed. 1819 * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" 1820 * >AWT Threading Issues</a> for details on AWT's threading model. 1821 * 1822 * @param l the window state listener 1823 * @see #addWindowStateListener 1824 * @see #getWindowStateListeners 1825 * @since 1.4 1826 */ 1827 public synchronized void removeWindowStateListener(WindowStateListener l) { 1828 if (l == null) { 1829 return; 1830 } 1831 windowStateListener = AWTEventMulticaster.remove(windowStateListener, l); 1832 } 1833 1834 /** 1835 * Removes the specified window focus listener so that it no longer 1836 * receives window events from this window. 1837 * If l is null, no exception is thrown and no action is performed. 1838 * <p>Refer to <a href="doc-files/AWTThreadIssues.html#ListenersThreads" 1839 * >AWT Threading Issues</a> for details on AWT's threading model. 1840 * 1841 * @param l the window focus listener 1842 * @see #addWindowFocusListener 1843 * @see #getWindowFocusListeners 1844 * @since 1.4 1845 */ 1846 public synchronized void removeWindowFocusListener(WindowFocusListener l) { 1847 if (l == null) { 1848 return; 1849 } 1850 windowFocusListener = AWTEventMulticaster.remove(windowFocusListener, l); 1851 } 1852 1853 /** 1854 * Returns an array of all the window listeners 1855 * registered on this window. 1856 * 1857 * @return all of this window's <code>WindowListener</code>s 1858 * or an empty array if no window 1859 * listeners are currently registered 1860 * 1861 * @see #addWindowListener 1862 * @see #removeWindowListener 1863 * @since 1.4 1864 */ 1865 public synchronized WindowListener[] getWindowListeners() { 1866 return (WindowListener[])(getListeners(WindowListener.class)); 1867 } 1868 1869 /** 1870 * Returns an array of all the window focus listeners 1871 * registered on this window. 1872 * 1873 * @return all of this window's <code>WindowFocusListener</code>s 1874 * or an empty array if no window focus 1875 * listeners are currently registered 1876 * 1877 * @see #addWindowFocusListener 1878 * @see #removeWindowFocusListener 1879 * @since 1.4 1880 */ 1881 public synchronized WindowFocusListener[] getWindowFocusListeners() { 1882 return (WindowFocusListener[])(getListeners(WindowFocusListener.class)); 1883 } 1884 1885 /** 1886 * Returns an array of all the window state listeners 1887 * registered on this window. 1888 * 1889 * @return all of this window's <code>WindowStateListener</code>s 1890 * or an empty array if no window state 1891 * listeners are currently registered 1892 * 1893 * @see #addWindowStateListener 1894 * @see #removeWindowStateListener 1895 * @since 1.4 1896 */ 1897 public synchronized WindowStateListener[] getWindowStateListeners() { 1898 return (WindowStateListener[])(getListeners(WindowStateListener.class)); 1899 } 1900 1901 1902 /** 1903 * Returns an array of all the objects currently registered 1904 * as <code><em>Foo</em>Listener</code>s 1905 * upon this <code>Window</code>. 1906 * <code><em>Foo</em>Listener</code>s are registered using the 1907 * <code>add<em>Foo</em>Listener</code> method. 1908 * 1909 * <p> 1910 * 1911 * You can specify the <code>listenerType</code> argument 1912 * with a class literal, such as 1913 * <code><em>Foo</em>Listener.class</code>. 1914 * For example, you can query a 1915 * <code>Window</code> <code>w</code> 1916 * for its window listeners with the following code: 1917 * 1918 * <pre>WindowListener[] wls = (WindowListener[])(w.getListeners(WindowListener.class));</pre> 1919 * 1920 * If no such listeners exist, this method returns an empty array. 1921 * 1922 * @param listenerType the type of listeners requested; this parameter 1923 * should specify an interface that descends from 1924 * <code>java.util.EventListener</code> 1925 * @return an array of all objects registered as 1926 * <code><em>Foo</em>Listener</code>s on this window, 1927 * or an empty array if no such 1928 * listeners have been added 1929 * @exception ClassCastException if <code>listenerType</code> 1930 * doesn't specify a class or interface that implements 1931 * <code>java.util.EventListener</code> 1932 * @exception NullPointerException if {@code listenerType} is {@code null} 1933 * 1934 * @see #getWindowListeners 1935 * @since 1.3 1936 */ 1937 public <T extends EventListener> T[] getListeners(Class<T> listenerType) { 1938 EventListener l = null; 1939 if (listenerType == WindowFocusListener.class) { 1940 l = windowFocusListener; 1941 } else if (listenerType == WindowStateListener.class) { 1942 l = windowStateListener; 1943 } else if (listenerType == WindowListener.class) { 1944 l = windowListener; 1945 } else { 1946 return super.getListeners(listenerType); 1947 } 1948 return AWTEventMulticaster.getListeners(l, listenerType); 1949 } 1950 1951 // REMIND: remove when filtering is handled at lower level 1952 boolean eventEnabled(AWTEvent e) { 1953 switch(e.id) { 1954 case WindowEvent.WINDOW_OPENED: 1955 case WindowEvent.WINDOW_CLOSING: 1956 case WindowEvent.WINDOW_CLOSED: 1957 case WindowEvent.WINDOW_ICONIFIED: 1958 case WindowEvent.WINDOW_DEICONIFIED: 1959 case WindowEvent.WINDOW_ACTIVATED: 1960 case WindowEvent.WINDOW_DEACTIVATED: 1961 if ((eventMask & AWTEvent.WINDOW_EVENT_MASK) != 0 || 1962 windowListener != null) { 1963 return true; 1964 } 1965 return false; 1966 case WindowEvent.WINDOW_GAINED_FOCUS: 1967 case WindowEvent.WINDOW_LOST_FOCUS: 1968 if ((eventMask & AWTEvent.WINDOW_FOCUS_EVENT_MASK) != 0 || 1969 windowFocusListener != null) { 1970 return true; 1971 } 1972 return false; 1973 case WindowEvent.WINDOW_STATE_CHANGED: 1974 if ((eventMask & AWTEvent.WINDOW_STATE_EVENT_MASK) != 0 || 1975 windowStateListener != null) { 1976 return true; 1977 } 1978 return false; 1979 default: 1980 break; 1981 } 1982 return super.eventEnabled(e); 1983 } 1984 1985 /** 1986 * Processes events on this window. If the event is an 1987 * <code>WindowEvent</code>, it invokes the 1988 * <code>processWindowEvent</code> method, else it invokes its 1989 * superclass's <code>processEvent</code>. 1990 * <p>Note that if the event parameter is <code>null</code> 1991 * the behavior is unspecified and may result in an 1992 * exception. 1993 * 1994 * @param e the event 1995 */ 1996 protected void processEvent(AWTEvent e) { 1997 if (e instanceof WindowEvent) { 1998 switch (e.getID()) { 1999 case WindowEvent.WINDOW_OPENED: 2000 case WindowEvent.WINDOW_CLOSING: 2001 case WindowEvent.WINDOW_CLOSED: 2002 case WindowEvent.WINDOW_ICONIFIED: 2003 case WindowEvent.WINDOW_DEICONIFIED: 2004 case WindowEvent.WINDOW_ACTIVATED: 2005 case WindowEvent.WINDOW_DEACTIVATED: 2006 processWindowEvent((WindowEvent)e); 2007 break; 2008 case WindowEvent.WINDOW_GAINED_FOCUS: 2009 case WindowEvent.WINDOW_LOST_FOCUS: 2010 processWindowFocusEvent((WindowEvent)e); 2011 break; 2012 case WindowEvent.WINDOW_STATE_CHANGED: 2013 processWindowStateEvent((WindowEvent)e); 2014 default: 2015 break; 2016 } 2017 return; 2018 } 2019 super.processEvent(e); 2020 } 2021 2022 /** 2023 * Processes window events occurring on this window by 2024 * dispatching them to any registered WindowListener objects. 2025 * NOTE: This method will not be called unless window events 2026 * are enabled for this component; this happens when one of the 2027 * following occurs: 2028 * <ul> 2029 * <li>A WindowListener object is registered via 2030 * <code>addWindowListener</code> 2031 * <li>Window events are enabled via <code>enableEvents</code> 2032 * </ul> 2033 * <p>Note that if the event parameter is <code>null</code> 2034 * the behavior is unspecified and may result in an 2035 * exception. 2036 * 2037 * @param e the window event 2038 * @see Component#enableEvents 2039 */ 2040 protected void processWindowEvent(WindowEvent e) { 2041 WindowListener listener = windowListener; 2042 if (listener != null) { 2043 switch(e.getID()) { 2044 case WindowEvent.WINDOW_OPENED: 2045 listener.windowOpened(e); 2046 break; 2047 case WindowEvent.WINDOW_CLOSING: 2048 listener.windowClosing(e); 2049 break; 2050 case WindowEvent.WINDOW_CLOSED: 2051 listener.windowClosed(e); 2052 break; 2053 case WindowEvent.WINDOW_ICONIFIED: 2054 listener.windowIconified(e); 2055 break; 2056 case WindowEvent.WINDOW_DEICONIFIED: 2057 listener.windowDeiconified(e); 2058 break; 2059 case WindowEvent.WINDOW_ACTIVATED: 2060 listener.windowActivated(e); 2061 break; 2062 case WindowEvent.WINDOW_DEACTIVATED: 2063 listener.windowDeactivated(e); 2064 break; 2065 default: 2066 break; 2067 } 2068 } 2069 } 2070 2071 /** 2072 * Processes window focus event occuring on this window by 2073 * dispatching them to any registered WindowFocusListener objects. 2074 * NOTE: this method will not be called unless window focus events 2075 * are enabled for this window. This happens when one of the 2076 * following occurs: 2077 * <ul> 2078 * <li>a WindowFocusListener is registered via 2079 * <code>addWindowFocusListener</code> 2080 * <li>Window focus events are enabled via <code>enableEvents</code> 2081 * </ul> 2082 * <p>Note that if the event parameter is <code>null</code> 2083 * the behavior is unspecified and may result in an 2084 * exception. 2085 * 2086 * @param e the window focus event 2087 * @see Component#enableEvents 2088 * @since 1.4 2089 */ 2090 protected void processWindowFocusEvent(WindowEvent e) { 2091 WindowFocusListener listener = windowFocusListener; 2092 if (listener != null) { 2093 switch (e.getID()) { 2094 case WindowEvent.WINDOW_GAINED_FOCUS: 2095 listener.windowGainedFocus(e); 2096 break; 2097 case WindowEvent.WINDOW_LOST_FOCUS: 2098 listener.windowLostFocus(e); 2099 break; 2100 default: 2101 break; 2102 } 2103 } 2104 } 2105 2106 /** 2107 * Processes window state event occuring on this window by 2108 * dispatching them to any registered <code>WindowStateListener</code> 2109 * objects. 2110 * NOTE: this method will not be called unless window state events 2111 * are enabled for this window. This happens when one of the 2112 * following occurs: 2113 * <ul> 2114 * <li>a <code>WindowStateListener</code> is registered via 2115 * <code>addWindowStateListener</code> 2116 * <li>window state events are enabled via <code>enableEvents</code> 2117 * </ul> 2118 * <p>Note that if the event parameter is <code>null</code> 2119 * the behavior is unspecified and may result in an 2120 * exception. 2121 * 2122 * @param e the window state event 2123 * @see java.awt.Component#enableEvents 2124 * @since 1.4 2125 */ 2126 protected void processWindowStateEvent(WindowEvent e) { 2127 WindowStateListener listener = windowStateListener; 2128 if (listener != null) { 2129 switch (e.getID()) { 2130 case WindowEvent.WINDOW_STATE_CHANGED: 2131 listener.windowStateChanged(e); 2132 break; 2133 default: 2134 break; 2135 } 2136 } 2137 } 2138 2139 /** 2140 * Implements a debugging hook -- checks to see if 2141 * the user has typed <i>control-shift-F1</i>. If so, 2142 * the list of child windows is dumped to <code>System.out</code>. 2143 * @param e the keyboard event 2144 */ 2145 void preProcessKeyEvent(KeyEvent e) { 2146 // Dump the list of child windows to System.out. 2147 if (e.isActionKey() && e.getKeyCode() == KeyEvent.VK_F1 && 2148 e.isControlDown() && e.isShiftDown() && 2149 e.getID() == KeyEvent.KEY_PRESSED) { 2150 list(System.out, 0); 2151 } 2152 } 2153 2154 void postProcessKeyEvent(KeyEvent e) { 2155 // Do nothing 2156 } 2157 2158 2159 /** 2160 * Sets whether this window should always be above other windows. If 2161 * there are multiple always-on-top windows, their relative order is 2162 * unspecified and platform dependent. 2163 * <p> 2164 * If some other window is already always-on-top then the 2165 * relative order between these windows is unspecified (depends on 2166 * platform). No window can be brought to be over the always-on-top 2167 * window except maybe another always-on-top window. 2168 * <p> 2169 * All windows owned by an always-on-top window inherit this state and 2170 * automatically become always-on-top. If a window ceases to be 2171 * always-on-top, the windows that it owns will no longer be 2172 * always-on-top. When an always-on-top window is sent {@link #toBack 2173 * toBack}, its always-on-top state is set to <code>false</code>. 2174 * 2175 * <p> When this method is called on a window with a value of 2176 * <code>true</code>, and the window is visible and the platform 2177 * supports always-on-top for this window, the window is immediately 2178 * brought forward, "sticking" it in the top-most position. If the 2179 * window isn`t currently visible, this method sets the always-on-top 2180 * state to <code>true</code> but does not bring the window forward. 2181 * When the window is later shown, it will be always-on-top. 2182 * 2183 * <p> When this method is called on a window with a value of 2184 * <code>false</code> the always-on-top state is set to normal. The 2185 * window remains in the top-most position but it`s z-order can be 2186 * changed as for any other window. Calling this method with a value 2187 * of <code>false</code> on a window that has a normal state has no 2188 * effect. Setting the always-on-top state to false has no effect on 2189 * the relative z-order of the windows if there are no other 2190 * always-on-top windows. 2191 * 2192 * <p><b>Note</b>: some platforms might not support always-on-top 2193 * windows. To detect if always-on-top windows are supported by the 2194 * current platform, use {@link Toolkit#isAlwaysOnTopSupported()} and 2195 * {@link Window#isAlwaysOnTopSupported()}. If always-on-top mode 2196 * isn't supported by the toolkit or for this window, calling this 2197 * method has no effect. 2198 * <p> 2199 * If a SecurityManager is installed, the calling thread must be 2200 * granted the AWTPermission "setWindowAlwaysOnTop" in 2201 * order to set the value of this property. If this 2202 * permission is not granted, this method will throw a 2203 * SecurityException, and the current value of the property will 2204 * be left unchanged. 2205 * 2206 * @param alwaysOnTop true if the window should always be above other 2207 * windows 2208 * @throws SecurityException if the calling thread does not have 2209 * permission to set the value of always-on-top property 2210 * @see #isAlwaysOnTop 2211 * @see #toFront 2212 * @see #toBack 2213 * @see AWTPermission 2214 * @see #isAlwaysOnTopSupported 2215 * @see Toolkit#isAlwaysOnTopSupported 2216 * @since 1.5 2217 */ 2218 public final void setAlwaysOnTop(boolean alwaysOnTop) throws SecurityException { 2219 SecurityManager security = System.getSecurityManager(); 2220 if (security != null) { 2221 security.checkPermission(SecurityConstants.AWT.SET_WINDOW_ALWAYS_ON_TOP_PERMISSION); 2222 } 2223 2224 boolean oldAlwaysOnTop; 2225 synchronized(this) { 2226 oldAlwaysOnTop = this.alwaysOnTop; 2227 this.alwaysOnTop = alwaysOnTop; 2228 } 2229 if (oldAlwaysOnTop != alwaysOnTop ) { 2230 if (isAlwaysOnTopSupported()) { 2231 WindowPeer peer = (WindowPeer)this.peer; 2232 synchronized(getTreeLock()) { 2233 if (peer != null) { 2234 peer.setAlwaysOnTop(alwaysOnTop); 2235 } 2236 } 2237 } 2238 firePropertyChange("alwaysOnTop", oldAlwaysOnTop, alwaysOnTop); 2239 } 2240 } 2241 2242 /** 2243 * Returns whether the always-on-top mode is supported for this 2244 * window. Some platforms may not support always-on-top windows, some 2245 * may support only some kinds of top-level windows; for example, 2246 * a platform may not support always-on-top modal dialogs. 2247 * @return <code>true</code>, if the always-on-top mode is 2248 * supported by the toolkit and for this window, 2249 * <code>false</code>, if always-on-top mode is not supported 2250 * for this window or toolkit doesn't support always-on-top windows. 2251 * @see #setAlwaysOnTop(boolean) 2252 * @see Toolkit#isAlwaysOnTopSupported 2253 * @since 1.6 2254 */ 2255 public boolean isAlwaysOnTopSupported() { 2256 return Toolkit.getDefaultToolkit().isAlwaysOnTopSupported(); 2257 } 2258 2259 2260 /** 2261 * Returns whether this window is an always-on-top window. 2262 * @return <code>true</code>, if the window is in always-on-top state, 2263 * <code>false</code> otherwise 2264 * @see #setAlwaysOnTop 2265 * @since 1.5 2266 */ 2267 public final boolean isAlwaysOnTop() { 2268 return alwaysOnTop; 2269 } 2270 2271 2272 /** 2273 * Returns the child Component of this Window that has focus if this Window 2274 * is focused; returns null otherwise. 2275 * 2276 * @return the child Component with focus, or null if this Window is not 2277 * focused 2278 * @see #getMostRecentFocusOwner 2279 * @see #isFocused 2280 */ 2281 public Component getFocusOwner() { 2282 return (isFocused()) 2283 ? KeyboardFocusManager.getCurrentKeyboardFocusManager(). 2284 getFocusOwner() 2285 : null; 2286 } 2287 2288 /** 2289 * Returns the child Component of this Window that will receive the focus 2290 * when this Window is focused. If this Window is currently focused, this 2291 * method returns the same Component as <code>getFocusOwner()</code>. If 2292 * this Window is not focused, then the child Component that most recently 2293 * requested focus will be returned. If no child Component has ever 2294 * requested focus, and this is a focusable Window, then this Window's 2295 * initial focusable Component is returned. If no child Component has ever 2296 * requested focus, and this is a non-focusable Window, null is returned. 2297 * 2298 * @return the child Component that will receive focus when this Window is 2299 * focused 2300 * @see #getFocusOwner 2301 * @see #isFocused 2302 * @see #isFocusableWindow 2303 * @since 1.4 2304 */ 2305 public Component getMostRecentFocusOwner() { 2306 if (isFocused()) { 2307 return getFocusOwner(); 2308 } else { 2309 Component mostRecent = 2310 KeyboardFocusManager.getMostRecentFocusOwner(this); 2311 if (mostRecent != null) { 2312 return mostRecent; 2313 } else { 2314 return (isFocusableWindow()) 2315 ? getFocusTraversalPolicy().getInitialComponent(this) 2316 : null; 2317 } 2318 } 2319 } 2320 2321 /** 2322 * Returns whether this Window is active. Only a Frame or a Dialog may be 2323 * active. The native windowing system may denote the active Window or its 2324 * children with special decorations, such as a highlighted title bar. The 2325 * active Window is always either the focused Window, or the first Frame or 2326 * Dialog that is an owner of the focused Window. 2327 * 2328 * @return whether this is the active Window. 2329 * @see #isFocused 2330 * @since 1.4 2331 */ 2332 public boolean isActive() { 2333 return (KeyboardFocusManager.getCurrentKeyboardFocusManager(). 2334 getActiveWindow() == this); 2335 } 2336 2337 /** 2338 * Returns whether this Window is focused. If there exists a focus owner, 2339 * the focused Window is the Window that is, or contains, that focus owner. 2340 * If there is no focus owner, then no Window is focused. 2341 * <p> 2342 * If the focused Window is a Frame or a Dialog it is also the active 2343 * Window. Otherwise, the active Window is the first Frame or Dialog that 2344 * is an owner of the focused Window. 2345 * 2346 * @return whether this is the focused Window. 2347 * @see #isActive 2348 * @since 1.4 2349 */ 2350 public boolean isFocused() { 2351 return (KeyboardFocusManager.getCurrentKeyboardFocusManager(). 2352 getGlobalFocusedWindow() == this); 2353 } 2354 2355 /** 2356 * Gets a focus traversal key for this Window. (See <code> 2357 * setFocusTraversalKeys</code> for a full description of each key.) 2358 * <p> 2359 * If the traversal key has not been explicitly set for this Window, 2360 * then this Window's parent's traversal key is returned. If the 2361 * traversal key has not been explicitly set for any of this Window's 2362 * ancestors, then the current KeyboardFocusManager's default traversal key 2363 * is returned. 2364 * 2365 * @param id one of KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, 2366 * KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, 2367 * KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, or 2368 * KeyboardFocusManager.DOWN_CYCLE_TRAVERSAL_KEYS 2369 * @return the AWTKeyStroke for the specified key 2370 * @see Container#setFocusTraversalKeys 2371 * @see KeyboardFocusManager#FORWARD_TRAVERSAL_KEYS 2372 * @see KeyboardFocusManager#BACKWARD_TRAVERSAL_KEYS 2373 * @see KeyboardFocusManager#UP_CYCLE_TRAVERSAL_KEYS 2374 * @see KeyboardFocusManager#DOWN_CYCLE_TRAVERSAL_KEYS 2375 * @throws IllegalArgumentException if id is not one of 2376 * KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, 2377 * KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, 2378 * KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, or 2379 * KeyboardFocusManager.DOWN_CYCLE_TRAVERSAL_KEYS 2380 * @since 1.4 2381 */ 2382 public Set<AWTKeyStroke> getFocusTraversalKeys(int id) { 2383 if (id < 0 || id >= KeyboardFocusManager.TRAVERSAL_KEY_LENGTH) { 2384 throw new IllegalArgumentException("invalid focus traversal key identifier"); 2385 } 2386 2387 // Okay to return Set directly because it is an unmodifiable view 2388 Set keystrokes = (focusTraversalKeys != null) 2389 ? focusTraversalKeys[id] 2390 : null; 2391 2392 if (keystrokes != null) { 2393 return keystrokes; 2394 } else { 2395 return KeyboardFocusManager.getCurrentKeyboardFocusManager(). 2396 getDefaultFocusTraversalKeys(id); 2397 } 2398 } 2399 2400 /** 2401 * Does nothing because Windows must always be roots of a focus traversal 2402 * cycle. The passed-in value is ignored. 2403 * 2404 * @param focusCycleRoot this value is ignored 2405 * @see #isFocusCycleRoot 2406 * @see Container#setFocusTraversalPolicy 2407 * @see Container#getFocusTraversalPolicy 2408 * @since 1.4 2409 */ 2410 public final void setFocusCycleRoot(boolean focusCycleRoot) { 2411 } 2412 2413 /** 2414 * Always returns <code>true</code> because all Windows must be roots of a 2415 * focus traversal cycle. 2416 * 2417 * @return <code>true</code> 2418 * @see #setFocusCycleRoot 2419 * @see Container#setFocusTraversalPolicy 2420 * @see Container#getFocusTraversalPolicy 2421 * @since 1.4 2422 */ 2423 public final boolean isFocusCycleRoot() { 2424 return true; 2425 } 2426 2427 /** 2428 * Always returns <code>null</code> because Windows have no ancestors; they 2429 * represent the top of the Component hierarchy. 2430 * 2431 * @return <code>null</code> 2432 * @see Container#isFocusCycleRoot() 2433 * @since 1.4 2434 */ 2435 public final Container getFocusCycleRootAncestor() { 2436 return null; 2437 } 2438 2439 /** 2440 * Returns whether this Window can become the focused Window, that is, 2441 * whether this Window or any of its subcomponents can become the focus 2442 * owner. For a Frame or Dialog to be focusable, its focusable Window state 2443 * must be set to <code>true</code>. For a Window which is not a Frame or 2444 * Dialog to be focusable, its focusable Window state must be set to 2445 * <code>true</code>, its nearest owning Frame or Dialog must be 2446 * showing on the screen, and it must contain at least one Component in 2447 * its focus traversal cycle. If any of these conditions is not met, then 2448 * neither this Window nor any of its subcomponents can become the focus 2449 * owner. 2450 * 2451 * @return <code>true</code> if this Window can be the focused Window; 2452 * <code>false</code> otherwise 2453 * @see #getFocusableWindowState 2454 * @see #setFocusableWindowState 2455 * @see #isShowing 2456 * @see Component#isFocusable 2457 * @since 1.4 2458 */ 2459 public final boolean isFocusableWindow() { 2460 // If a Window/Frame/Dialog was made non-focusable, then it is always 2461 // non-focusable. 2462 if (!getFocusableWindowState()) { 2463 return false; 2464 } 2465 2466 // All other tests apply only to Windows. 2467 if (this instanceof Frame || this instanceof Dialog) { 2468 return true; 2469 } 2470 2471 // A Window must have at least one Component in its root focus 2472 // traversal cycle to be focusable. 2473 if (getFocusTraversalPolicy().getDefaultComponent(this) == null) { 2474 return false; 2475 } 2476 2477 // A Window's nearest owning Frame or Dialog must be showing on the 2478 // screen. 2479 for (Window owner = getOwner(); owner != null; 2480 owner = owner.getOwner()) 2481 { 2482 if (owner instanceof Frame || owner instanceof Dialog) { 2483 return owner.isShowing(); 2484 } 2485 } 2486 2487 return false; 2488 } 2489 2490 /** 2491 * Returns whether this Window can become the focused Window if it meets 2492 * the other requirements outlined in <code>isFocusableWindow</code>. If 2493 * this method returns <code>false</code>, then 2494 * <code>isFocusableWindow</code> will return <code>false</code> as well. 2495 * If this method returns <code>true</code>, then 2496 * <code>isFocusableWindow</code> may return <code>true</code> or 2497 * <code>false</code> depending upon the other requirements which must be 2498 * met in order for a Window to be focusable. 2499 * <p> 2500 * By default, all Windows have a focusable Window state of 2501 * <code>true</code>. 2502 * 2503 * @return whether this Window can be the focused Window 2504 * @see #isFocusableWindow 2505 * @see #setFocusableWindowState 2506 * @see #isShowing 2507 * @see Component#setFocusable 2508 * @since 1.4 2509 */ 2510 public boolean getFocusableWindowState() { 2511 return focusableWindowState; 2512 } 2513 2514 /** 2515 * Sets whether this Window can become the focused Window if it meets 2516 * the other requirements outlined in <code>isFocusableWindow</code>. If 2517 * this Window's focusable Window state is set to <code>false</code>, then 2518 * <code>isFocusableWindow</code> will return <code>false</code>. If this 2519 * Window's focusable Window state is set to <code>true</code>, then 2520 * <code>isFocusableWindow</code> may return <code>true</code> or 2521 * <code>false</code> depending upon the other requirements which must be 2522 * met in order for a Window to be focusable. 2523 * <p> 2524 * Setting a Window's focusability state to <code>false</code> is the 2525 * standard mechanism for an application to identify to the AWT a Window 2526 * which will be used as a floating palette or toolbar, and thus should be 2527 * a non-focusable Window. 2528 * 2529 * Setting the focusability state on a visible <code>Window</code> 2530 * can have a delayed effect on some platforms — the actual 2531 * change may happen only when the <code>Window</code> becomes 2532 * hidden and then visible again. To ensure consistent behavior 2533 * across platforms, set the <code>Window</code>'s focusable state 2534 * when the <code>Window</code> is invisible and then show it. 2535 * 2536 * @param focusableWindowState whether this Window can be the focused 2537 * Window 2538 * @see #isFocusableWindow 2539 * @see #getFocusableWindowState 2540 * @see #isShowing 2541 * @see Component#setFocusable 2542 * @since 1.4 2543 */ 2544 public void setFocusableWindowState(boolean focusableWindowState) { 2545 boolean oldFocusableWindowState; 2546 synchronized (this) { 2547 oldFocusableWindowState = this.focusableWindowState; 2548 this.focusableWindowState = focusableWindowState; 2549 } 2550 WindowPeer peer = (WindowPeer)this.peer; 2551 if (peer != null) { 2552 peer.updateFocusableWindowState(); 2553 } 2554 firePropertyChange("focusableWindowState", oldFocusableWindowState, 2555 focusableWindowState); 2556 if (oldFocusableWindowState && !focusableWindowState && isFocused()) { 2557 for (Window owner = getOwner(); 2558 owner != null; 2559 owner = owner.getOwner()) 2560 { 2561 Component toFocus = 2562 KeyboardFocusManager.getMostRecentFocusOwner(owner); 2563 if (toFocus != null && toFocus.requestFocus(false, CausedFocusEvent.Cause.ACTIVATION)) { 2564 return; 2565 } 2566 } 2567 KeyboardFocusManager.getCurrentKeyboardFocusManager(). 2568 clearGlobalFocusOwner(); 2569 } 2570 } 2571 2572 /** 2573 * Sets whether this window should receive focus on 2574 * subsequently being shown (with a call to {@link #setVisible setVisible(true)}), 2575 * or being moved to the front (with a call to {@link #toFront}). 2576 * <p> 2577 * Note that {@link #setVisible setVisible(true)} may be called indirectly 2578 * (e.g. when showing an owner of the window makes the window to be shown). 2579 * {@link #toFront} may also be called indirectly (e.g. when 2580 * {@link #setVisible setVisible(true)} is called on already visible window). 2581 * In all such cases this property takes effect as well. 2582 * <p> 2583 * The value of the property is not inherited by owned windows. 2584 * 2585 * @param autoRequestFocus whether this window should be focused on 2586 * subsequently being shown or being moved to the front 2587 * @see #isAutoRequestFocus 2588 * @see #isFocusableWindow 2589 * @see #setVisible 2590 * @see #toFront 2591 * @since 1.7 2592 */ 2593 public void setAutoRequestFocus(boolean autoRequestFocus) { 2594 this.autoRequestFocus = autoRequestFocus; 2595 } 2596 2597 /** 2598 * Returns whether this window should receive focus on subsequently being shown 2599 * (with a call to {@link #setVisible setVisible(true)}), or being moved to the front 2600 * (with a call to {@link #toFront}). 2601 * <p> 2602 * By default, the window has {@code autoRequestFocus} value of {@code true}. 2603 * 2604 * @return {@code autoRequestFocus} value 2605 * @see #setAutoRequestFocus 2606 * @since 1.7 2607 */ 2608 public boolean isAutoRequestFocus() { 2609 return autoRequestFocus; 2610 } 2611 2612 /** 2613 * Adds a PropertyChangeListener to the listener list. The listener is 2614 * registered for all bound properties of this class, including the 2615 * following: 2616 * <ul> 2617 * <li>this Window's font ("font")</li> 2618 * <li>this Window's background color ("background")</li> 2619 * <li>this Window's foreground color ("foreground")</li> 2620 * <li>this Window's focusability ("focusable")</li> 2621 * <li>this Window's focus traversal keys enabled state 2622 * ("focusTraversalKeysEnabled")</li> 2623 * <li>this Window's Set of FORWARD_TRAVERSAL_KEYS 2624 * ("forwardFocusTraversalKeys")</li> 2625 * <li>this Window's Set of BACKWARD_TRAVERSAL_KEYS 2626 * ("backwardFocusTraversalKeys")</li> 2627 * <li>this Window's Set of UP_CYCLE_TRAVERSAL_KEYS 2628 * ("upCycleFocusTraversalKeys")</li> 2629 * <li>this Window's Set of DOWN_CYCLE_TRAVERSAL_KEYS 2630 * ("downCycleFocusTraversalKeys")</li> 2631 * <li>this Window's focus traversal policy ("focusTraversalPolicy") 2632 * </li> 2633 * <li>this Window's focusable Window state ("focusableWindowState") 2634 * </li> 2635 * <li>this Window's always-on-top state("alwaysOnTop")</li> 2636 * </ul> 2637 * Note that if this Window is inheriting a bound property, then no 2638 * event will be fired in response to a change in the inherited property. 2639 * <p> 2640 * If listener is null, no exception is thrown and no action is performed. 2641 * 2642 * @param listener the PropertyChangeListener to be added 2643 * 2644 * @see Component#removePropertyChangeListener 2645 * @see #addPropertyChangeListener(java.lang.String,java.beans.PropertyChangeListener) 2646 */ 2647 public void addPropertyChangeListener(PropertyChangeListener listener) { 2648 super.addPropertyChangeListener(listener); 2649 } 2650 2651 /** 2652 * Adds a PropertyChangeListener to the listener list for a specific 2653 * property. The specified property may be user-defined, or one of the 2654 * following: 2655 * <ul> 2656 * <li>this Window's font ("font")</li> 2657 * <li>this Window's background color ("background")</li> 2658 * <li>this Window's foreground color ("foreground")</li> 2659 * <li>this Window's focusability ("focusable")</li> 2660 * <li>this Window's focus traversal keys enabled state 2661 * ("focusTraversalKeysEnabled")</li> 2662 * <li>this Window's Set of FORWARD_TRAVERSAL_KEYS 2663 * ("forwardFocusTraversalKeys")</li> 2664 * <li>this Window's Set of BACKWARD_TRAVERSAL_KEYS 2665 * ("backwardFocusTraversalKeys")</li> 2666 * <li>this Window's Set of UP_CYCLE_TRAVERSAL_KEYS 2667 * ("upCycleFocusTraversalKeys")</li> 2668 * <li>this Window's Set of DOWN_CYCLE_TRAVERSAL_KEYS 2669 * ("downCycleFocusTraversalKeys")</li> 2670 * <li>this Window's focus traversal policy ("focusTraversalPolicy") 2671 * </li> 2672 * <li>this Window's focusable Window state ("focusableWindowState") 2673 * </li> 2674 * <li>this Window's always-on-top state("alwaysOnTop")</li> 2675 * </ul> 2676 * Note that if this Window is inheriting a bound property, then no 2677 * event will be fired in response to a change in the inherited property. 2678 * <p> 2679 * If listener is null, no exception is thrown and no action is performed. 2680 * 2681 * @param propertyName one of the property names listed above 2682 * @param listener the PropertyChangeListener to be added 2683 * 2684 * @see #addPropertyChangeListener(java.beans.PropertyChangeListener) 2685 * @see Component#removePropertyChangeListener 2686 */ 2687 public void addPropertyChangeListener(String propertyName, 2688 PropertyChangeListener listener) { 2689 super.addPropertyChangeListener(propertyName, listener); 2690 } 2691 2692 /** 2693 * Indicates if this container is a validate root. 2694 * <p> 2695 * {@code Window} objects are the validate roots, and, therefore, they 2696 * override this method to return {@code true}. 2697 * 2698 * @return {@code true} 2699 * @since 1.7 2700 * @see java.awt.Container#isValidateRoot 2701 */ 2702 @Override 2703 public boolean isValidateRoot() { 2704 return true; 2705 } 2706 2707 /** 2708 * Dispatches an event to this window or one of its sub components. 2709 * @param e the event 2710 */ 2711 void dispatchEventImpl(AWTEvent e) { 2712 if (e.getID() == ComponentEvent.COMPONENT_RESIZED) { 2713 invalidate(); 2714 validate(); 2715 } 2716 super.dispatchEventImpl(e); 2717 } 2718 2719 /** 2720 * @deprecated As of JDK version 1.1 2721 * replaced by <code>dispatchEvent(AWTEvent)</code>. 2722 */ 2723 @Deprecated 2724 public boolean postEvent(Event e) { 2725 if (handleEvent(e)) { 2726 e.consume(); 2727 return true; 2728 } 2729 return false; 2730 } 2731 2732 /** 2733 * Checks if this Window is showing on screen. 2734 * @see Component#setVisible 2735 */ 2736 public boolean isShowing() { 2737 return visible; 2738 } 2739 2740 boolean isDisposing() { 2741 return disposing; 2742 } 2743 2744 /** 2745 * @deprecated As of J2SE 1.4, replaced by 2746 * {@link Component#applyComponentOrientation Component.applyComponentOrientation}. 2747 */ 2748 @Deprecated 2749 public void applyResourceBundle(ResourceBundle rb) { 2750 applyComponentOrientation(ComponentOrientation.getOrientation(rb)); 2751 } 2752 2753 /** 2754 * @deprecated As of J2SE 1.4, replaced by 2755 * {@link Component#applyComponentOrientation Component.applyComponentOrientation}. 2756 */ 2757 @Deprecated 2758 public void applyResourceBundle(String rbName) { 2759 applyResourceBundle(ResourceBundle.getBundle(rbName)); 2760 } 2761 2762 /* 2763 * Support for tracking all windows owned by this window 2764 */ 2765 void addOwnedWindow(WeakReference weakWindow) { 2766 if (weakWindow != null) { 2767 synchronized(ownedWindowList) { 2768 // this if statement should really be an assert, but we don't 2769 // have asserts... 2770 if (!ownedWindowList.contains(weakWindow)) { 2771 ownedWindowList.addElement(weakWindow); 2772 } 2773 } 2774 } 2775 } 2776 2777 void removeOwnedWindow(WeakReference weakWindow) { 2778 if (weakWindow != null) { 2779 // synchronized block not required since removeElement is 2780 // already synchronized 2781 ownedWindowList.removeElement(weakWindow); 2782 } 2783 } 2784 2785 void connectOwnedWindow(Window child) { 2786 child.parent = this; 2787 addOwnedWindow(child.weakThis); 2788 } 2789 2790 private void addToWindowList() { 2791 synchronized (Window.class) { 2792 Vector<WeakReference<Window>> windowList = (Vector<WeakReference<Window>>)appContext.get(Window.class); 2793 if (windowList == null) { 2794 windowList = new Vector<WeakReference<Window>>(); 2795 appContext.put(Window.class, windowList); 2796 } 2797 windowList.add(weakThis); 2798 } 2799 } 2800 2801 private static void removeFromWindowList(AppContext context, WeakReference weakThis) { 2802 synchronized (Window.class) { 2803 Vector<WeakReference<Window>> windowList = (Vector<WeakReference<Window>>)context.get(Window.class); 2804 if (windowList != null) { 2805 windowList.remove(weakThis); 2806 } 2807 } 2808 } 2809 2810 private void removeFromWindowList() { 2811 removeFromWindowList(appContext, weakThis); 2812 } 2813 2814 /** 2815 * Window type. 2816 * 2817 * Synchronization: ObjectLock 2818 */ 2819 private Type type = Type.NORMAL; 2820 2821 /** 2822 * Sets the type of the window. 2823 * 2824 * This method can only be called while the window is not displayable. 2825 * 2826 * @throws IllegalComponentStateException if the window 2827 * is displayable. 2828 * @throws IllegalArgumentException if the type is {@code null} 2829 * @see Component#isDisplayable 2830 * @see #getType 2831 * @since 1.7 2832 */ 2833 public void setType(Type type) { 2834 if (type == null) { 2835 throw new IllegalArgumentException("type should not be null."); 2836 } 2837 synchronized (getTreeLock()) { 2838 if (isDisplayable()) { 2839 throw new IllegalComponentStateException( 2840 "The window is displayable."); 2841 } 2842 synchronized (getObjectLock()) { 2843 this.type = type; 2844 } 2845 } 2846 } 2847 2848 /** 2849 * Returns the type of the window. 2850 * 2851 * @see #setType 2852 * @since 1.7 2853 */ 2854 public Type getType() { 2855 synchronized (getObjectLock()) { 2856 return type; 2857 } 2858 } 2859 2860 /** 2861 * The window serialized data version. 2862 * 2863 * @serial 2864 */ 2865 private int windowSerializedDataVersion = 2; 2866 2867 /** 2868 * Writes default serializable fields to stream. Writes 2869 * a list of serializable <code>WindowListener</code>s and 2870 * <code>WindowFocusListener</code>s as optional data. 2871 * Writes a list of child windows as optional data. 2872 * Writes a list of icon images as optional data 2873 * 2874 * @param s the <code>ObjectOutputStream</code> to write 2875 * @serialData <code>null</code> terminated sequence of 2876 * 0 or more pairs; the pair consists of a <code>String</code> 2877 * and and <code>Object</code>; the <code>String</code> 2878 * indicates the type of object and is one of the following: 2879 * <code>windowListenerK</code> indicating a 2880 * <code>WindowListener</code> object; 2881 * <code>windowFocusWindowK</code> indicating a 2882 * <code>WindowFocusListener</code> object; 2883 * <code>ownedWindowK</code> indicating a child 2884 * <code>Window</code> object 2885 * 2886 * @see AWTEventMulticaster#save(java.io.ObjectOutputStream, java.lang.String, java.util.EventListener) 2887 * @see Component#windowListenerK 2888 * @see Component#windowFocusListenerK 2889 * @see Component#ownedWindowK 2890 * @see #readObject(ObjectInputStream) 2891 */ 2892 private void writeObject(ObjectOutputStream s) throws IOException { 2893 synchronized (this) { 2894 // Update old focusMgr fields so that our object stream can be read 2895 // by previous releases 2896 focusMgr = new FocusManager(); 2897 focusMgr.focusRoot = this; 2898 focusMgr.focusOwner = getMostRecentFocusOwner(); 2899 2900 s.defaultWriteObject(); 2901 2902 // Clear fields so that we don't keep extra references around 2903 focusMgr = null; 2904 2905 AWTEventMulticaster.save(s, windowListenerK, windowListener); 2906 AWTEventMulticaster.save(s, windowFocusListenerK, windowFocusListener); 2907 AWTEventMulticaster.save(s, windowStateListenerK, windowStateListener); 2908 } 2909 2910 s.writeObject(null); 2911 2912 synchronized (ownedWindowList) { 2913 for (int i = 0; i < ownedWindowList.size(); i++) { 2914 Window child = ownedWindowList.elementAt(i).get(); 2915 if (child != null) { 2916 s.writeObject(ownedWindowK); 2917 s.writeObject(child); 2918 } 2919 } 2920 } 2921 s.writeObject(null); 2922 2923 //write icon array 2924 if (icons != null) { 2925 for (Image i : icons) { 2926 if (i instanceof Serializable) { 2927 s.writeObject(i); 2928 } 2929 } 2930 } 2931 s.writeObject(null); 2932 } 2933 2934 // 2935 // Part of deserialization procedure to be called before 2936 // user's code. 2937 // 2938 private void initDeserializedWindow() { 2939 setWarningString(); 2940 inputContextLock = new Object(); 2941 2942 // Deserialized Windows are not yet visible. 2943 visible = false; 2944 2945 weakThis = new WeakReference(this); 2946 2947 anchor = new Object(); 2948 sun.java2d.Disposer.addRecord(anchor, new WindowDisposerRecord(appContext, this)); 2949 2950 addToWindowList(); 2951 initGC(null); 2952 } 2953 2954 private void deserializeResources(ObjectInputStream s) 2955 throws ClassNotFoundException, IOException, HeadlessException { 2956 ownedWindowList = new Vector(); 2957 2958 if (windowSerializedDataVersion < 2) { 2959 // Translate old-style focus tracking to new model. For 1.4 and 2960 // later releases, we'll rely on the Window's initial focusable 2961 // Component. 2962 if (focusMgr != null) { 2963 if (focusMgr.focusOwner != null) { 2964 KeyboardFocusManager. 2965 setMostRecentFocusOwner(this, focusMgr.focusOwner); 2966 } 2967 } 2968 2969 // This field is non-transient and relies on default serialization. 2970 // However, the default value is insufficient, so we need to set 2971 // it explicitly for object data streams prior to 1.4. 2972 focusableWindowState = true; 2973 2974 2975 } 2976 2977 Object keyOrNull; 2978 while(null != (keyOrNull = s.readObject())) { 2979 String key = ((String)keyOrNull).intern(); 2980 2981 if (windowListenerK == key) { 2982 addWindowListener((WindowListener)(s.readObject())); 2983 } else if (windowFocusListenerK == key) { 2984 addWindowFocusListener((WindowFocusListener)(s.readObject())); 2985 } else if (windowStateListenerK == key) { 2986 addWindowStateListener((WindowStateListener)(s.readObject())); 2987 } else // skip value for unrecognized key 2988 s.readObject(); 2989 } 2990 2991 try { 2992 while (null != (keyOrNull = s.readObject())) { 2993 String key = ((String)keyOrNull).intern(); 2994 2995 if (ownedWindowK == key) 2996 connectOwnedWindow((Window) s.readObject()); 2997 2998 else // skip value for unrecognized key 2999 s.readObject(); 3000 } 3001 3002 //read icons 3003 Object obj = s.readObject(); //Throws OptionalDataException 3004 //for pre1.6 objects. 3005 icons = new ArrayList<Image>(); //Frame.readObject() assumes 3006 //pre1.6 version if icons is null. 3007 while (obj != null) { 3008 if (obj instanceof Image) { 3009 icons.add((Image)obj); 3010 } 3011 obj = s.readObject(); 3012 } 3013 } 3014 catch (OptionalDataException e) { 3015 // 1.1 serialized form 3016 // ownedWindowList will be updated by Frame.readObject 3017 } 3018 3019 } 3020 3021 /** 3022 * Reads the <code>ObjectInputStream</code> and an optional 3023 * list of listeners to receive various events fired by 3024 * the component; also reads a list of 3025 * (possibly <code>null</code>) child windows. 3026 * Unrecognized keys or values will be ignored. 3027 * 3028 * @param s the <code>ObjectInputStream</code> to read 3029 * @exception HeadlessException if 3030 * <code>GraphicsEnvironment.isHeadless</code> returns 3031 * <code>true</code> 3032 * @see java.awt.GraphicsEnvironment#isHeadless 3033 * @see #writeObject 3034 */ 3035 private void readObject(ObjectInputStream s) 3036 throws ClassNotFoundException, IOException, HeadlessException 3037 { 3038 GraphicsEnvironment.checkHeadless(); 3039 initDeserializedWindow(); 3040 ObjectInputStream.GetField f = s.readFields(); 3041 3042 syncLWRequests = f.get("syncLWRequests", systemSyncLWRequests); 3043 state = f.get("state", 0); 3044 focusableWindowState = f.get("focusableWindowState", true); 3045 windowSerializedDataVersion = f.get("windowSerializedDataVersion", 1); 3046 locationByPlatform = f.get("locationByPlatform", locationByPlatformProp); 3047 // Note: 1.4 (or later) doesn't use focusMgr 3048 focusMgr = (FocusManager)f.get("focusMgr", null); 3049 Dialog.ModalExclusionType et = (Dialog.ModalExclusionType) 3050 f.get("modalExclusionType", Dialog.ModalExclusionType.NO_EXCLUDE); 3051 setModalExclusionType(et); // since 6.0 3052 boolean aot = f.get("alwaysOnTop", false); 3053 if(aot) { 3054 setAlwaysOnTop(aot); // since 1.5; subject to permission check 3055 } 3056 shape = (Shape)f.get("shape", null); 3057 opacity = (Float)f.get("opacity", 1.0f); 3058 3059 this.securityWarningWidth = 0; 3060 this.securityWarningHeight = 0; 3061 this.securityWarningPointX = 2.0; 3062 this.securityWarningPointY = 0.0; 3063 this.securityWarningAlignmentX = RIGHT_ALIGNMENT; 3064 this.securityWarningAlignmentY = TOP_ALIGNMENT; 3065 3066 deserializeResources(s); 3067 } 3068 3069 /* 3070 * --- Accessibility Support --- 3071 * 3072 */ 3073 3074 /** 3075 * Gets the AccessibleContext associated with this Window. 3076 * For windows, the AccessibleContext takes the form of an 3077 * AccessibleAWTWindow. 3078 * A new AccessibleAWTWindow instance is created if necessary. 3079 * 3080 * @return an AccessibleAWTWindow that serves as the 3081 * AccessibleContext of this Window 3082 * @since 1.3 3083 */ 3084 public AccessibleContext getAccessibleContext() { 3085 if (accessibleContext == null) { 3086 accessibleContext = new AccessibleAWTWindow(); 3087 } 3088 return accessibleContext; 3089 } 3090 3091 /** 3092 * This class implements accessibility support for the 3093 * <code>Window</code> class. It provides an implementation of the 3094 * Java Accessibility API appropriate to window user-interface elements. 3095 * @since 1.3 3096 */ 3097 protected class AccessibleAWTWindow extends AccessibleAWTContainer 3098 { 3099 /* 3100 * JDK 1.3 serialVersionUID 3101 */ 3102 private static final long serialVersionUID = 4215068635060671780L; 3103 3104 /** 3105 * Get the role of this object. 3106 * 3107 * @return an instance of AccessibleRole describing the role of the 3108 * object 3109 * @see javax.accessibility.AccessibleRole 3110 */ 3111 public AccessibleRole getAccessibleRole() { 3112 return AccessibleRole.WINDOW; 3113 } 3114 3115 /** 3116 * Get the state of this object. 3117 * 3118 * @return an instance of AccessibleStateSet containing the current 3119 * state set of the object 3120 * @see javax.accessibility.AccessibleState 3121 */ 3122 public AccessibleStateSet getAccessibleStateSet() { 3123 AccessibleStateSet states = super.getAccessibleStateSet(); 3124 if (getFocusOwner() != null) { 3125 states.add(AccessibleState.ACTIVE); 3126 } 3127 return states; 3128 } 3129 3130 } // inner class AccessibleAWTWindow 3131 3132 @Override 3133 void setGraphicsConfiguration(GraphicsConfiguration gc) { 3134 if (gc == null) { 3135 gc = GraphicsEnvironment. 3136 getLocalGraphicsEnvironment(). 3137 getDefaultScreenDevice(). 3138 getDefaultConfiguration(); 3139 } 3140 synchronized (getTreeLock()) { 3141 super.setGraphicsConfiguration(gc); 3142 if (log.isLoggable(PlatformLogger.FINER)) { 3143 log.finer("+ Window.setGraphicsConfiguration(): new GC is \n+ " + getGraphicsConfiguration_NoClientCode() + "\n+ this is " + this); 3144 } 3145 } 3146 } 3147 3148 /** 3149 * Sets the location of the window relative to the specified 3150 * component according to the following scenarios. 3151 * <p> 3152 * The target screen mentioned below is a screen to which 3153 * the window should be placed after the setLocationRelativeTo 3154 * method is called. 3155 * <ul> 3156 * <li>If the component is {@code null}, or the {@code 3157 * GraphicsConfiguration} associated with this component is 3158 * {@code null}, the window is placed in the center of the 3159 * screen. The center point can be obtained with the {@link 3160 * GraphicsEnvironment#getCenterPoint 3161 * GraphicsEnvironment.getCenterPoint} method. 3162 * <li>If the component is not {@code null}, but it is not 3163 * currently showing, the window is placed in the center of 3164 * the target screen defined by the {@code 3165 * GraphicsConfiguration} associated with this component. 3166 * <li>If the component is not {@code null} and is shown on 3167 * the screen, then the window is located in such a way that 3168 * the center of the window coincides with the center of the 3169 * component. 3170 * </ul> 3171 * <p> 3172 * If the screens configuration does not allow the window to 3173 * be moved from one screen to another, then the window is 3174 * only placed at the location determined according to the 3175 * above conditions and its {@code GraphicsConfiguration} is 3176 * not changed. 3177 * <p> 3178 * <b>Note</b>: If the lower edge of the window is out of the screen, 3179 * then the window is placed to the side of the <code>Component</code> 3180 * that is closest to the center of the screen. So if the 3181 * component is on the right part of the screen, the window 3182 * is placed to its left, and vice versa. 3183 * <p> 3184 * If after the window location has been calculated, the upper, 3185 * left, or right edge of the window is out of the screen, 3186 * then the window is located in such a way that the upper, 3187 * left, or right edge of the window coincides with the 3188 * corresponding edge of the screen. If both left and right 3189 * edges of the window are out of the screen, the window is 3190 * placed at the left side of the screen. The similar placement 3191 * will occur if both top and bottom edges are out of the screen. 3192 * In that case, the window is placed at the top side of the screen. 3193 * <p> 3194 * The method changes the geometry-related data. Therefore, 3195 * the native windowing system may ignore such requests, or it may modify 3196 * the requested data, so that the {@code Window} object is placed and sized 3197 * in a way that corresponds closely to the desktop settings. 3198 * 3199 * @param c the component in relation to which the window's location 3200 * is determined 3201 * @see java.awt.GraphicsEnvironment#getCenterPoint 3202 * @since 1.4 3203 */ 3204 public void setLocationRelativeTo(Component c) { 3205 // target location 3206 int dx = 0, dy = 0; 3207 // target GC 3208 GraphicsConfiguration gc = getGraphicsConfiguration_NoClientCode(); 3209 Rectangle gcBounds = gc.getBounds(); 3210 3211 Dimension windowSize = getSize(); 3212 3213 // search a top-level of c 3214 Window componentWindow = SunToolkit.getContainingWindow(c); 3215 if ((c == null) || (componentWindow == null)) { 3216 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); 3217 gc = ge.getDefaultScreenDevice().getDefaultConfiguration(); 3218 gcBounds = gc.getBounds(); 3219 Point centerPoint = ge.getCenterPoint(); 3220 dx = centerPoint.x - windowSize.width / 2; 3221 dy = centerPoint.y - windowSize.height / 2; 3222 } else if (!c.isShowing()) { 3223 gc = componentWindow.getGraphicsConfiguration(); 3224 gcBounds = gc.getBounds(); 3225 dx = gcBounds.x + (gcBounds.width - windowSize.width) / 2; 3226 dy = gcBounds.y + (gcBounds.height - windowSize.height) / 2; 3227 } else { 3228 gc = componentWindow.getGraphicsConfiguration(); 3229 gcBounds = gc.getBounds(); 3230 Dimension compSize = c.getSize(); 3231 Point compLocation = c.getLocationOnScreen(); 3232 dx = compLocation.x + ((compSize.width - windowSize.width) / 2); 3233 dy = compLocation.y + ((compSize.height - windowSize.height) / 2); 3234 3235 // Adjust for bottom edge being offscreen 3236 if (dy + windowSize.height > gcBounds.y + gcBounds.height) { 3237 dy = gcBounds.y + gcBounds.height - windowSize.height; 3238 if (compLocation.x - gcBounds.x + compSize.width / 2 < gcBounds.width / 2) { 3239 dx = compLocation.x + compSize.width; 3240 } else { 3241 dx = compLocation.x - windowSize.width; 3242 } 3243 } 3244 } 3245 3246 // Avoid being placed off the edge of the screen: 3247 // bottom 3248 if (dy + windowSize.height > gcBounds.y + gcBounds.height) { 3249 dy = gcBounds.y + gcBounds.height - windowSize.height; 3250 } 3251 // top 3252 if (dy < gcBounds.y) { 3253 dy = gcBounds.y; 3254 } 3255 // right 3256 if (dx + windowSize.width > gcBounds.x + gcBounds.width) { 3257 dx = gcBounds.x + gcBounds.width - windowSize.width; 3258 } 3259 // left 3260 if (dx < gcBounds.x) { 3261 dx = gcBounds.x; 3262 } 3263 3264 setLocation(dx, dy); 3265 } 3266 3267 /** 3268 * Overridden from Component. Top-level Windows should not propagate a 3269 * MouseWheelEvent beyond themselves into their owning Windows. 3270 */ 3271 void deliverMouseWheelToAncestor(MouseWheelEvent e) {} 3272 3273 /** 3274 * Overridden from Component. Top-level Windows don't dispatch to ancestors 3275 */ 3276 boolean dispatchMouseWheelToAncestor(MouseWheelEvent e) {return false;} 3277 3278 /** 3279 * Creates a new strategy for multi-buffering on this component. 3280 * Multi-buffering is useful for rendering performance. This method 3281 * attempts to create the best strategy available with the number of 3282 * buffers supplied. It will always create a <code>BufferStrategy</code> 3283 * with that number of buffers. 3284 * A page-flipping strategy is attempted first, then a blitting strategy 3285 * using accelerated buffers. Finally, an unaccelerated blitting 3286 * strategy is used. 3287 * <p> 3288 * Each time this method is called, 3289 * the existing buffer strategy for this component is discarded. 3290 * @param numBuffers number of buffers to create 3291 * @exception IllegalArgumentException if numBuffers is less than 1. 3292 * @exception IllegalStateException if the component is not displayable 3293 * @see #isDisplayable 3294 * @see #getBufferStrategy 3295 * @since 1.4 3296 */ 3297 public void createBufferStrategy(int numBuffers) { 3298 super.createBufferStrategy(numBuffers); 3299 } 3300 3301 /** 3302 * Creates a new strategy for multi-buffering on this component with the 3303 * required buffer capabilities. This is useful, for example, if only 3304 * accelerated memory or page flipping is desired (as specified by the 3305 * buffer capabilities). 3306 * <p> 3307 * Each time this method 3308 * is called, the existing buffer strategy for this component is discarded. 3309 * @param numBuffers number of buffers to create, including the front buffer 3310 * @param caps the required capabilities for creating the buffer strategy; 3311 * cannot be <code>null</code> 3312 * @exception AWTException if the capabilities supplied could not be 3313 * supported or met; this may happen, for example, if there is not enough 3314 * accelerated memory currently available, or if page flipping is specified 3315 * but not possible. 3316 * @exception IllegalArgumentException if numBuffers is less than 1, or if 3317 * caps is <code>null</code> 3318 * @see #getBufferStrategy 3319 * @since 1.4 3320 */ 3321 public void createBufferStrategy(int numBuffers, 3322 BufferCapabilities caps) throws AWTException { 3323 super.createBufferStrategy(numBuffers, caps); 3324 } 3325 3326 /** 3327 * Returns the <code>BufferStrategy</code> used by this component. This 3328 * method will return null if a <code>BufferStrategy</code> has not yet 3329 * been created or has been disposed. 3330 * 3331 * @return the buffer strategy used by this component 3332 * @see #createBufferStrategy 3333 * @since 1.4 3334 */ 3335 public BufferStrategy getBufferStrategy() { 3336 return super.getBufferStrategy(); 3337 } 3338 3339 Component getTemporaryLostComponent() { 3340 return temporaryLostComponent; 3341 } 3342 Component setTemporaryLostComponent(Component component) { 3343 Component previousComp = temporaryLostComponent; 3344 // Check that "component" is an acceptable focus owner and don't store it otherwise 3345 // - or later we will have problems with opposite while handling WINDOW_GAINED_FOCUS 3346 if (component == null || component.canBeFocusOwner()) { 3347 temporaryLostComponent = component; 3348 } else { 3349 temporaryLostComponent = null; 3350 } 3351 return previousComp; 3352 } 3353 3354 /** 3355 * Checks whether this window can contain focus owner. 3356 * Verifies that it is focusable and as container it can container focus owner. 3357 * @since 1.5 3358 */ 3359 boolean canContainFocusOwner(Component focusOwnerCandidate) { 3360 return super.canContainFocusOwner(focusOwnerCandidate) && isFocusableWindow(); 3361 } 3362 3363 private boolean locationByPlatform = locationByPlatformProp; 3364 3365 3366 /** 3367 * Sets whether this Window should appear at the default location for the 3368 * native windowing system or at the current location (returned by 3369 * <code>getLocation</code>) the next time the Window is made visible. 3370 * This behavior resembles a native window shown without programmatically 3371 * setting its location. Most windowing systems cascade windows if their 3372 * locations are not explicitly set. The actual location is determined once the 3373 * window is shown on the screen. 3374 * <p> 3375 * This behavior can also be enabled by setting the System Property 3376 * "java.awt.Window.locationByPlatform" to "true", though calls to this method 3377 * take precedence. 3378 * <p> 3379 * Calls to <code>setVisible</code>, <code>setLocation</code> and 3380 * <code>setBounds</code> after calling <code>setLocationByPlatform</code> clear 3381 * this property of the Window. 3382 * <p> 3383 * For example, after the following code is executed: 3384 * <pre><blockquote> 3385 * setLocationByPlatform(true); 3386 * setVisible(true); 3387 * boolean flag = isLocationByPlatform(); 3388 * </blockquote></pre> 3389 * The window will be shown at platform's default location and 3390 * <code>flag</code> will be <code>false</code>. 3391 * <p> 3392 * In the following sample: 3393 * <pre><blockquote> 3394 * setLocationByPlatform(true); 3395 * setLocation(10, 10); 3396 * boolean flag = isLocationByPlatform(); 3397 * setVisible(true); 3398 * </blockquote></pre> 3399 * The window will be shown at (10, 10) and <code>flag</code> will be 3400 * <code>false</code>. 3401 * 3402 * @param locationByPlatform <code>true</code> if this Window should appear 3403 * at the default location, <code>false</code> if at the current location 3404 * @throws <code>IllegalComponentStateException</code> if the window 3405 * is showing on screen and locationByPlatform is <code>true</code>. 3406 * @see #setLocation 3407 * @see #isShowing 3408 * @see #setVisible 3409 * @see #isLocationByPlatform 3410 * @see java.lang.System#getProperty(String) 3411 * @since 1.5 3412 */ 3413 public void setLocationByPlatform(boolean locationByPlatform) { 3414 synchronized (getTreeLock()) { 3415 if (locationByPlatform && isShowing()) { 3416 throw new IllegalComponentStateException("The window is showing on screen."); 3417 } 3418 this.locationByPlatform = locationByPlatform; 3419 } 3420 } 3421 3422 /** 3423 * Returns <code>true</code> if this Window will appear at the default location 3424 * for the native windowing system the next time this Window is made visible. 3425 * This method always returns <code>false</code> if the Window is showing on the 3426 * screen. 3427 * 3428 * @return whether this Window will appear at the default location 3429 * @see #setLocationByPlatform 3430 * @see #isShowing 3431 * @since 1.5 3432 */ 3433 public boolean isLocationByPlatform() { 3434 synchronized (getTreeLock()) { 3435 return locationByPlatform; 3436 } 3437 } 3438 3439 /** 3440 * {@inheritDoc} 3441 * <p> 3442 * The {@code width} or {@code height} values 3443 * are automatically enlarged if either is less than 3444 * the minimum size as specified by previous call to 3445 * {@code setMinimumSize}. 3446 * <p> 3447 * The method changes the geometry-related data. Therefore, 3448 * the native windowing system may ignore such requests, or it may modify 3449 * the requested data, so that the {@code Window} object is placed and sized 3450 * in a way that corresponds closely to the desktop settings. 3451 * 3452 * @see #getBounds 3453 * @see #setLocation(int, int) 3454 * @see #setLocation(Point) 3455 * @see #setSize(int, int) 3456 * @see #setSize(Dimension) 3457 * @see #setMinimumSize 3458 * @see #setLocationByPlatform 3459 * @see #isLocationByPlatform 3460 * @since 1.6 3461 */ 3462 public void setBounds(int x, int y, int width, int height) { 3463 synchronized (getTreeLock()) { 3464 if (getBoundsOp() == ComponentPeer.SET_LOCATION || 3465 getBoundsOp() == ComponentPeer.SET_BOUNDS) 3466 { 3467 locationByPlatform = false; 3468 } 3469 super.setBounds(x, y, width, height); 3470 } 3471 } 3472 3473 /** 3474 * {@inheritDoc} 3475 * <p> 3476 * The {@code r.width} or {@code r.height} values 3477 * will be automatically enlarged if either is less than 3478 * the minimum size as specified by previous call to 3479 * {@code setMinimumSize}. 3480 * <p> 3481 * The method changes the geometry-related data. Therefore, 3482 * the native windowing system may ignore such requests, or it may modify 3483 * the requested data, so that the {@code Window} object is placed and sized 3484 * in a way that corresponds closely to the desktop settings. 3485 * 3486 * @see #getBounds 3487 * @see #setLocation(int, int) 3488 * @see #setLocation(Point) 3489 * @see #setSize(int, int) 3490 * @see #setSize(Dimension) 3491 * @see #setMinimumSize 3492 * @see #setLocationByPlatform 3493 * @see #isLocationByPlatform 3494 * @since 1.6 3495 */ 3496 public void setBounds(Rectangle r) { 3497 setBounds(r.x, r.y, r.width, r.height); 3498 } 3499 3500 /** 3501 * Determines whether this component will be displayed on the screen. 3502 * @return <code>true</code> if the component and all of its ancestors 3503 * until a toplevel window are visible, <code>false</code> otherwise 3504 */ 3505 boolean isRecursivelyVisible() { 3506 // 5079694 fix: for a toplevel to be displayed, its parent doesn't have to be visible. 3507 // We're overriding isRecursivelyVisible to implement this policy. 3508 return visible; 3509 } 3510 3511 3512 // ******************** SHAPES & TRANSPARENCY CODE ******************** 3513 3514 /** 3515 * Returns the opacity of the window. 3516 * 3517 * @return the opacity of the window 3518 * 3519 * @see Window#setOpacity(float) 3520 * @see GraphicsDevice.WindowTranslucency 3521 * 3522 * @since 1.7 3523 */ 3524 public float getOpacity() { 3525 synchronized (getTreeLock()) { 3526 return opacity; 3527 } 3528 } 3529 3530 /** 3531 * Sets the opacity of the window. 3532 * <p> 3533 * The opacity value is in the range [0..1]. Note that setting the opacity 3534 * level of 0 may or may not disable the mouse event handling on this 3535 * window. This is a platform-dependent behavior. 3536 * <p> 3537 * The following conditions must be met in order to set the opacity value 3538 * less than {@code 1.0f}: 3539 * <ul> 3540 * <li>The {@link GraphicsDevice.WindowTranslucency#TRANSLUCENT TRANSLUCENT} 3541 * translucency must be supported by the underlying system 3542 * <li>The window must be undecorated (see {@link Frame#setUndecorated} 3543 * and {@link Dialog#setUndecorated}) 3544 * <li>The window must not be in full-screen mode (see {@link 3545 * GraphicsDevice#setFullScreenWindow(Window)}) 3546 * </ul> 3547 * <p> 3548 * If the requested opacity value is less than {@code 1.0f}, and any of the 3549 * above conditions are not met, the window opacity will not change, 3550 * and the {@code IllegalComponentStateException} will be thrown. 3551 * <p> 3552 * The translucency levels of individual pixels may also be effected by the 3553 * alpha component of their color (see {@link Window#setBackground(Color)}) and the 3554 * current shape of this window (see {@link #setShape(Shape)}). 3555 * 3556 * @param opacity the opacity level to set to the window 3557 * 3558 * @throws IllegalArgumentException if the opacity is out of the range 3559 * [0..1] 3560 * @throws IllegalComponentStateException if the window is decorated and 3561 * the opacity is less than {@code 1.0f} 3562 * @throws IllegalComponentStateException if the window is in full screen 3563 * mode, and the opacity is less than {@code 1.0f} 3564 * @throws UnsupportedOperationException if the {@code 3565 * GraphicsDevice.WindowTranslucency#TRANSLUCENT TRANSLUCENT} 3566 * translucency is not supported and the opacity is less than 3567 * {@code 1.0f} 3568 * 3569 * @see Window#getOpacity 3570 * @see Window#setBackground(Color) 3571 * @see Window#setShape(Shape) 3572 * @see Frame#isUndecorated 3573 * @see Dialog#isUndecorated 3574 * @see GraphicsDevice.WindowTranslucency 3575 * @see GraphicsDevice#isWindowTranslucencySupported(GraphicsDevice.WindowTranslucency) 3576 * 3577 * @since 1.7 3578 */ 3579 public void setOpacity(float opacity) { 3580 synchronized (getTreeLock()) { 3581 if (opacity < 0.0f || opacity > 1.0f) { 3582 throw new IllegalArgumentException( 3583 "The value of opacity should be in the range [0.0f .. 1.0f]."); 3584 } 3585 if (opacity < 1.0f) { 3586 GraphicsConfiguration gc = getGraphicsConfiguration(); 3587 GraphicsDevice gd = gc.getDevice(); 3588 if (gc.getDevice().getFullScreenWindow() == this) { 3589 throw new IllegalComponentStateException( 3590 "Setting opacity for full-screen window is not supported."); 3591 } 3592 if (!gd.isWindowTranslucencySupported( 3593 GraphicsDevice.WindowTranslucency.TRANSLUCENT)) 3594 { 3595 throw new UnsupportedOperationException( 3596 "TRANSLUCENT translucency is not supported."); 3597 } 3598 } 3599 this.opacity = opacity; 3600 WindowPeer peer = (WindowPeer)getPeer(); 3601 if (peer != null) { 3602 peer.setOpacity(opacity); 3603 } 3604 } 3605 } 3606 3607 /** 3608 * Returns the shape of the window. 3609 * 3610 * The value returned by this method may not be the same as 3611 * previously set with {@code setShape(shape)}, but it is guaranteed 3612 * to represent the same shape. 3613 * 3614 * @return the shape of the window or {@code null} if no 3615 * shape is specified for the window 3616 * 3617 * @see Window#setShape(Shape) 3618 * @see GraphicsDevice.WindowTranslucency 3619 * 3620 * @since 1.7 3621 */ 3622 public Shape getShape() { 3623 synchronized (getTreeLock()) { 3624 return shape == null ? null : new Path2D.Float(shape); 3625 } 3626 } 3627 3628 /** 3629 * Sets the shape of the window. 3630 * <p> 3631 * Setting a shape cuts off some parts of the window. Only the parts that 3632 * belong to the given {@link Shape} remain visible and clickable. If 3633 * the shape argument is {@code null}, this method restores the default 3634 * shape, making the window rectangular on most platforms. 3635 * <p> 3636 * The following conditions must be met to set a non-null shape: 3637 * <ul> 3638 * <li>The {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSPARENT 3639 * PERPIXEL_TRANSPARENT} translucency must be supported by the 3640 * underlying system 3641 * <li>The window must be undecorated (see {@link Frame#setUndecorated} 3642 * and {@link Dialog#setUndecorated}) 3643 * <li>The window must not be in full-screen mode (see {@link 3644 * GraphicsDevice#setFullScreenWindow(Window)}) 3645 * </ul> 3646 * <p> 3647 * If the requested shape is not {@code null}, and any of the above 3648 * conditions are not met, the shape of this window will not change, 3649 * and either the {@code UnsupportedOperationException} or {@code 3650 * IllegalComponentStateException} will be thrown. 3651 * <p> 3652 * The tranlucency levels of individual pixels may also be effected by the 3653 * alpha component of their color (see {@link Window#setBackground(Color)}) and the 3654 * opacity value (see {@link #setOpacity(float)}). See {@link 3655 * GraphicsDevice.WindowTranslucency} for more details. 3656 * 3657 * @param shape the shape to set to the window 3658 * 3659 * @throws IllegalComponentStateException if the shape is not {@code 3660 * null} and the window is decorated 3661 * @throws IllegalComponentStateException if the shape is not {@code 3662 * null} and the window is in full-screen mode 3663 * @throws UnsupportedOperationException if the shape is not {@code 3664 * null} and {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSPARENT 3665 * PERPIXEL_TRANSPARENT} translucency is not supported 3666 * 3667 * @see Window#getShape() 3668 * @see Window#setBackground(Color) 3669 * @see Window#setOpacity(float) 3670 * @see Frame#isUndecorated 3671 * @see Dialog#isUndecorated 3672 * @see GraphicsDevice.WindowTranslucency 3673 * @see GraphicsDevice#isWindowTranslucencySupported(GraphicsDevice.WindowTranslucency) 3674 * 3675 * @since 1.7 3676 */ 3677 public void setShape(Shape shape) { 3678 synchronized (getTreeLock()) { 3679 if (shape != null) { 3680 GraphicsConfiguration gc = getGraphicsConfiguration(); 3681 GraphicsDevice gd = gc.getDevice(); 3682 if (gc.getDevice().getFullScreenWindow() == this) { 3683 throw new IllegalComponentStateException( 3684 "Setting shape for full-screen window is not supported."); 3685 } 3686 if (!gd.isWindowTranslucencySupported( 3687 GraphicsDevice.WindowTranslucency.PERPIXEL_TRANSPARENT)) 3688 { 3689 throw new UnsupportedOperationException( 3690 "PERPIXEL_TRANSPARENT translucency is not supported."); 3691 } 3692 } 3693 this.shape = (shape == null) ? null : new Path2D.Float(shape); 3694 WindowPeer peer = (WindowPeer)getPeer(); 3695 if (peer != null) { 3696 peer.applyShape(shape == null ? null : Region.getInstance(shape, null)); 3697 } 3698 } 3699 } 3700 3701 /** 3702 * Gets the background color of this window. 3703 * <p> 3704 * Note that the alpha component of the returned color indicates whether 3705 * the window is in the non-opaque (per-pixel translucent) mode. 3706 * 3707 * @return this component's background color 3708 * 3709 * @see Window#setBackground(Color) 3710 * @see Window#isOpaque 3711 * @see GraphicsDevice.WindowTranslucency 3712 */ 3713 @Override 3714 public Color getBackground() { 3715 return super.getBackground(); 3716 } 3717 3718 /** 3719 * Sets the background color of this window. 3720 * <p> 3721 * If the windowing system supports the {@link 3722 * GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT PERPIXEL_TRANSLUCENT} 3723 * tranclucency, the alpha component of the given background color 3724 * may effect the mode of operation for this window: it indicates whether 3725 * this window must be opaque (alpha equals {@code 1.0f}) or per-pixel translucent 3726 * (alpha is less than {@code 1.0f}). If the given background color is 3727 * {@code null}, the window is considered completely opaque. 3728 * <p> 3729 * All the following conditions must be met to enable the per-pixel 3730 * transparency mode for this window: 3731 * <ul> 3732 * <li>The {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT 3733 * PERPIXEL_TRANSLUCENT} translucency must be supported by the graphics 3734 * device where this window is located 3735 * <li>The window must be undecorated (see {@link Frame#setUndecorated} 3736 * and {@link Dialog#setUndecorated}) 3737 * <li>The window must not be in full-screen mode (see {@link 3738 * GraphicsDevice#setFullScreenWindow(Window)}) 3739 * </ul> 3740 * <p> 3741 * If the alpha component of the requested background color is less than 3742 * {@code 1.0f}, and any of the above conditions are not met, the background 3743 * color of this window will not change, the alpha component of the given 3744 * background color will not affect the mode of operation for this window, 3745 * and either the {@code UnsupportedOperationException} or {@code 3746 * IllegalComponentStateException} will be thrown. 3747 * <p> 3748 * When the window is per-pixel translucent, the drawing sub-system 3749 * respects the alpha value of each individual pixel. If a pixel gets 3750 * painted with the alpha color component equal to zero, it becomes 3751 * visually transparent. If the alpha of the pixel is equal to 1.0f, the 3752 * pixel is fully opaque. Interim values of the alpha color component make 3753 * the pixel semi-transparent. In this mode, the background of the window 3754 * gets painted with the alpha value of the given background color. If the 3755 * alpha value of the argument of this method is equal to {@code 0}, the 3756 * background is not painted at all. 3757 * <p> 3758 * The actual level of translucency of a given pixel also depends on window 3759 * opacity (see {@link #setOpacity(float)}), as well as the current shape of 3760 * this window (see {@link #setShape(Shape)}). 3761 * <p> 3762 * Note that painting a pixel with the alpha value of {@code 0} may or may 3763 * not disable the mouse event handling on this pixel. This is a 3764 * platform-dependent behavior. To make sure the mouse events do not get 3765 * dispatched to a particular pixel, the pixel must be excluded from the 3766 * shape of the window. 3767 * <p> 3768 * Enabling the per-pixel translucency mode may change the graphics 3769 * configuration of this window due to the native platform requirements. 3770 * 3771 * @param bgColor the color to become this window's background color. 3772 * 3773 * @throws IllegalComponentStateException if the alpha value of the given 3774 * background color is less than {@code 1.0f} and the window is decorated 3775 * @throws IllegalComponentStateException if the alpha value of the given 3776 * background color is less than {@code 1.0f} and the window is in 3777 * full-screen mode 3778 * @throws UnsupportedOperationException if the alpha value of the given 3779 * background color is less than {@code 1.0f} and {@link 3780 * GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT 3781 * PERPIXEL_TRANSLUCENT} translucency is not supported 3782 * 3783 * @see Window#getBackground 3784 * @see Window#isOpaque 3785 * @see Window#setOpacity(float) 3786 * @see Window#setShape(Shape) 3787 * @see Frame#isUndecorated 3788 * @see Dialog#isUndecorated 3789 * @see GraphicsDevice.WindowTranslucency 3790 * @see GraphicsDevice#isWindowTranslucencySupported(GraphicsDevice.WindowTranslucency) 3791 * @see GraphicsConfiguration#isTranslucencyCapable() 3792 */ 3793 @Override 3794 public void setBackground(Color bgColor) { 3795 Color oldBg = getBackground(); 3796 super.setBackground(bgColor); 3797 if (oldBg != null && oldBg.equals(bgColor)) { 3798 return; 3799 } 3800 int oldAlpha = oldBg != null ? oldBg.getAlpha() : 255; 3801 int alpha = bgColor != null ? bgColor.getAlpha() : 255; 3802 if ((oldAlpha == 255) && (alpha < 255)) { // non-opaque window 3803 GraphicsConfiguration gc = getGraphicsConfiguration(); 3804 GraphicsDevice gd = gc.getDevice(); 3805 if (gc.getDevice().getFullScreenWindow() == this) { 3806 throw new IllegalComponentStateException( 3807 "Making full-screen window non opaque is not supported."); 3808 } 3809 if (!gc.isTranslucencyCapable()) { 3810 GraphicsConfiguration capableGC = gd.getTranslucencyCapableGC(); 3811 if (capableGC == null) { 3812 throw new UnsupportedOperationException( 3813 "PERPIXEL_TRANSLUCENT translucency is not supported"); 3814 } 3815 setGraphicsConfiguration(capableGC); 3816 } 3817 setLayersOpaque(this, false); 3818 } else if ((oldAlpha < 255) && (alpha == 255)) { 3819 setLayersOpaque(this, true); 3820 } 3821 WindowPeer peer = (WindowPeer)getPeer(); 3822 if (peer != null) { 3823 peer.setOpaque(alpha == 255); 3824 } 3825 } 3826 3827 /** 3828 * Indicates if the window is currently opaque. 3829 * <p> 3830 * The method returns {@code false} if the background color of the window 3831 * is not {@code null} and the alpha component of the color is less than 3832 * {@code 1.0f}. The method returns {@code true} otherwise. 3833 * 3834 * @return {@code true} if the window is opaque, {@code false} otherwise 3835 * 3836 * @see Window#getBackground 3837 * @see Window#setBackground(Color) 3838 * @since 1.7 3839 */ 3840 @Override 3841 public boolean isOpaque() { 3842 Color bg = getBackground(); 3843 return bg != null ? bg.getAlpha() == 255 : true; 3844 } 3845 3846 private void updateWindow() { 3847 synchronized (getTreeLock()) { 3848 WindowPeer peer = (WindowPeer)getPeer(); 3849 if (peer != null) { 3850 peer.updateWindow(); 3851 } 3852 } 3853 } 3854 3855 /** 3856 * {@inheritDoc} 3857 * 3858 * @since 1.7 3859 */ 3860 @Override 3861 public void paint(Graphics g) { 3862 if (!isOpaque()) { 3863 Graphics gg = g.create(); 3864 try { 3865 if (gg instanceof Graphics2D) { 3866 gg.setColor(getBackground()); 3867 ((Graphics2D)gg).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC)); 3868 gg.fillRect(0, 0, getWidth(), getHeight()); 3869 } 3870 } finally { 3871 gg.dispose(); 3872 } 3873 } 3874 super.paint(g); 3875 } 3876 3877 private static void setLayersOpaque(Component component, boolean isOpaque) { 3878 // Shouldn't use instanceof to avoid loading Swing classes 3879 // if it's a pure AWT application. 3880 if (SunToolkit.isInstanceOf(component, "javax.swing.RootPaneContainer")) { 3881 javax.swing.RootPaneContainer rpc = (javax.swing.RootPaneContainer)component; 3882 javax.swing.JRootPane root = rpc.getRootPane(); 3883 javax.swing.JLayeredPane lp = root.getLayeredPane(); 3884 Container c = root.getContentPane(); 3885 javax.swing.JComponent content = 3886 (c instanceof javax.swing.JComponent) ? (javax.swing.JComponent)c : null; 3887 lp.setOpaque(isOpaque); 3888 root.setOpaque(isOpaque); 3889 if (content != null) { 3890 content.setOpaque(isOpaque); 3891 3892 // Iterate down one level to see whether we have a JApplet 3893 // (which is also a RootPaneContainer) which requires processing 3894 int numChildren = content.getComponentCount(); 3895 if (numChildren > 0) { 3896 Component child = content.getComponent(0); 3897 // It's OK to use instanceof here because we've 3898 // already loaded the RootPaneContainer class by now 3899 if (child instanceof javax.swing.RootPaneContainer) { 3900 setLayersOpaque(child, isOpaque); 3901 } 3902 } 3903 } 3904 } 3905 } 3906 3907 3908 // ************************** MIXING CODE ******************************* 3909 3910 // A window has a parent, but it does NOT have a container 3911 @Override 3912 final Container getContainer() { 3913 return null; 3914 } 3915 3916 /** 3917 * Applies the shape to the component 3918 * @param shape Shape to be applied to the component 3919 */ 3920 @Override 3921 final void applyCompoundShape(Region shape) { 3922 // The shape calculated by mixing code is not intended to be applied 3923 // to windows or frames 3924 } 3925 3926 @Override 3927 final void applyCurrentShape() { 3928 // The shape calculated by mixing code is not intended to be applied 3929 // to windows or frames 3930 } 3931 3932 @Override 3933 final void mixOnReshaping() { 3934 // The shape calculated by mixing code is not intended to be applied 3935 // to windows or frames 3936 } 3937 3938 @Override 3939 final Point getLocationOnWindow() { 3940 return new Point(0, 0); 3941 } 3942 3943 // ****************** END OF MIXING CODE ******************************** 3944 3945 /** 3946 * Limit the given double value with the given range. 3947 */ 3948 private static double limit(double value, double min, double max) { 3949 value = Math.max(value, min); 3950 value = Math.min(value, max); 3951 return value; 3952 } 3953 3954 /** 3955 * Calculate the position of the security warning. 3956 * 3957 * This method gets the window location/size as reported by the native 3958 * system since the locally cached values may represent outdated data. 3959 * 3960 * The method is used from the native code, or via AWTAccessor. 3961 * 3962 * NOTE: this method is invoked on the toolkit thread, and therefore is not 3963 * supposed to become public/user-overridable. 3964 */ 3965 private Point2D calculateSecurityWarningPosition(double x, double y, 3966 double w, double h) 3967 { 3968 // The position according to the spec of SecurityWarning.setPosition() 3969 double wx = x + w * securityWarningAlignmentX + securityWarningPointX; 3970 double wy = y + h * securityWarningAlignmentY + securityWarningPointY; 3971 3972 // First, make sure the warning is not too far from the window bounds 3973 wx = Window.limit(wx, 3974 x - securityWarningWidth - 2, 3975 x + w + 2); 3976 wy = Window.limit(wy, 3977 y - securityWarningHeight - 2, 3978 y + h + 2); 3979 3980 // Now make sure the warning window is visible on the screen 3981 GraphicsConfiguration graphicsConfig = 3982 getGraphicsConfiguration_NoClientCode(); 3983 Rectangle screenBounds = graphicsConfig.getBounds(); 3984 Insets screenInsets = 3985 Toolkit.getDefaultToolkit().getScreenInsets(graphicsConfig); 3986 3987 wx = Window.limit(wx, 3988 screenBounds.x + screenInsets.left, 3989 screenBounds.x + screenBounds.width - screenInsets.right 3990 - securityWarningWidth); 3991 wy = Window.limit(wy, 3992 screenBounds.y + screenInsets.top, 3993 screenBounds.y + screenBounds.height - screenInsets.bottom 3994 - securityWarningHeight); 3995 3996 return new Point2D.Double(wx, wy); 3997 } 3998 3999 static { 4000 AWTAccessor.setWindowAccessor(new AWTAccessor.WindowAccessor() { 4001 public float getOpacity(Window window) { 4002 return window.opacity; 4003 } 4004 public void setOpacity(Window window, float opacity) { 4005 window.setOpacity(opacity); 4006 } 4007 public Shape getShape(Window window) { 4008 return window.getShape(); 4009 } 4010 public void setShape(Window window, Shape shape) { 4011 window.setShape(shape); 4012 } 4013 public void setOpaque(Window window, boolean opaque) { 4014 Color bg = window.getBackground(); 4015 if (bg == null) { 4016 bg = new Color(0, 0, 0, 0); 4017 } 4018 window.setBackground(new Color(bg.getRed(), bg.getGreen(), bg.getBlue(), 4019 opaque ? 255 : 0)); 4020 } 4021 public void updateWindow(Window window) { 4022 window.updateWindow(); 4023 } 4024 4025 public Dimension getSecurityWarningSize(Window window) { 4026 return new Dimension(window.securityWarningWidth, 4027 window.securityWarningHeight); 4028 } 4029 4030 public void setSecurityWarningSize(Window window, int width, int height) 4031 { 4032 window.securityWarningWidth = width; 4033 window.securityWarningHeight = height; 4034 } 4035 4036 public void setSecurityWarningPosition(Window window, 4037 Point2D point, float alignmentX, float alignmentY) 4038 { 4039 window.securityWarningPointX = point.getX(); 4040 window.securityWarningPointY = point.getY(); 4041 window.securityWarningAlignmentX = alignmentX; 4042 window.securityWarningAlignmentY = alignmentY; 4043 4044 synchronized (window.getTreeLock()) { 4045 WindowPeer peer = (WindowPeer)window.getPeer(); 4046 if (peer != null) { 4047 peer.repositionSecurityWarning(); 4048 } 4049 } 4050 } 4051 4052 public Point2D calculateSecurityWarningPosition(Window window, 4053 double x, double y, double w, double h) 4054 { 4055 return window.calculateSecurityWarningPosition(x, y, w, h); 4056 } 4057 4058 public void setLWRequestStatus(Window changed, boolean status) { 4059 changed.syncLWRequests = status; 4060 } 4061 4062 public boolean isAutoRequestFocus(Window w) { 4063 return w.autoRequestFocus; 4064 } 4065 4066 public boolean isTrayIconWindow(Window w) { 4067 return w.isTrayIconWindow; 4068 } 4069 4070 public void setTrayIconWindow(Window w, boolean isTrayIconWindow) { 4071 w.isTrayIconWindow = isTrayIconWindow; 4072 } 4073 }); // WindowAccessor 4074 } // static 4075 4076 // a window doesn't need to be updated in the Z-order. 4077 @Override 4078 void updateZOrder() {} 4079 4080 } // class Window 4081 4082 4083 /** 4084 * This class is no longer used, but is maintained for Serialization 4085 * backward-compatibility. 4086 */ 4087 class FocusManager implements java.io.Serializable { 4088 Container focusRoot; 4089 Component focusOwner; 4090 4091 /* 4092 * JDK 1.1 serialVersionUID 4093 */ 4094 static final long serialVersionUID = 2491878825643557906L; 4095 }