1 /* 2 * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.awt.windows; 27 28 import java.awt.*; 29 import java.awt.im.InputMethodHighlight; 30 import java.awt.im.spi.InputMethodDescriptor; 31 import java.awt.image.*; 32 import java.awt.peer.*; 33 import java.awt.event.KeyEvent; 34 import java.awt.datatransfer.Clipboard; 35 import java.awt.TrayIcon; 36 import java.beans.PropertyChangeListener; 37 import java.security.AccessController; 38 import java.security.PrivilegedAction; 39 40 import sun.awt.AWTAccessor; 41 import sun.awt.AppContext; 42 import sun.awt.AWTAutoShutdown; 43 import sun.awt.AWTPermissions; 44 import sun.awt.AppContext; 45 import sun.awt.LightweightFrame; 46 import sun.awt.SunToolkit; 47 import sun.awt.util.ThreadGroupUtils; 48 import sun.awt.Win32GraphicsDevice; 49 import sun.awt.Win32GraphicsEnvironment; 50 import sun.awt.datatransfer.DataTransferer; 51 import sun.java2d.d3d.D3DRenderQueue; 52 import sun.java2d.opengl.OGLRenderQueue; 53 54 import sun.misc.ManagedLocalsThread; 55 import sun.print.PrintJob2D; 56 57 import java.awt.dnd.DragSource; 58 import java.awt.dnd.DragGestureListener; 59 import java.awt.dnd.DragGestureEvent; 60 import java.awt.dnd.DragGestureRecognizer; 61 import java.awt.dnd.MouseDragGestureRecognizer; 62 import java.awt.dnd.InvalidDnDOperationException; 63 import java.awt.dnd.peer.DragSourceContextPeer; 64 65 import java.util.Hashtable; 66 import java.util.Locale; 67 import java.util.Map; 68 import java.util.Properties; 69 70 import sun.font.FontManager; 71 import sun.font.FontManagerFactory; 72 import sun.font.SunFontManager; 73 import sun.misc.PerformanceLogger; 74 import sun.util.logging.PlatformLogger; 75 76 public final class WToolkit extends SunToolkit implements Runnable { 77 78 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.windows.WToolkit"); 79 80 // Desktop property which specifies whether XP visual styles are in effect 81 public static final String XPSTYLE_THEME_ACTIVE = "win.xpstyle.themeActive"; 82 83 static GraphicsConfiguration config; 84 85 // System clipboard. 86 WClipboard clipboard; 87 88 // cache of font peers 89 private Hashtable<String,FontPeer> cacheFontPeer; 90 91 // Windows properties 92 private WDesktopProperties wprops; 93 94 // Dynamic Layout Resize client code setting 95 protected boolean dynamicLayoutSetting = false; 96 97 //Is it allowed to generate events assigned to extra mouse buttons. 98 //Set to true by default. 99 private static boolean areExtraMouseButtonsEnabled = true; 100 101 /** 102 * Initialize JNI field and method IDs 103 */ 104 private static native void initIDs(); 105 private static boolean loaded = false; 106 public static void loadLibraries() { 107 if (!loaded) { 108 java.security.AccessController.doPrivileged( 109 new java.security.PrivilegedAction<Void>() { 110 @Override 111 public Void run() { 112 System.loadLibrary("awt"); 113 return null; 114 } 115 }); 116 loaded = true; 117 } 118 } 119 120 private static native String getWindowsVersion(); 121 122 static { 123 loadLibraries(); 124 initIDs(); 125 126 // Print out which version of Windows is running 127 if (log.isLoggable(PlatformLogger.Level.FINE)) { 128 log.fine("Win version: " + getWindowsVersion()); 129 } 130 131 AccessController.doPrivileged( 132 new PrivilegedAction <Void> () 133 { 134 @Override 135 public Void run() { 136 String browserProp = System.getProperty("browser"); 137 if (browserProp != null && browserProp.equals("sun.plugin")) { 138 disableCustomPalette(); 139 } 140 return null; 141 } 142 }); 143 } 144 145 private static native void disableCustomPalette(); 146 147 /* 148 * Reset the static GraphicsConfiguration to the default. Called on 149 * startup and when display settings have changed. 150 */ 151 public static void resetGC() { 152 if (GraphicsEnvironment.isHeadless()) { 153 config = null; 154 } else { 155 config = (GraphicsEnvironment 156 .getLocalGraphicsEnvironment() 157 .getDefaultScreenDevice() 158 .getDefaultConfiguration()); 159 } 160 } 161 162 /* 163 * NOTE: The following embedded*() methods are non-public API intended 164 * for internal use only. The methods are unsupported and could go 165 * away in future releases. 166 * 167 * New hook functions for using the AWT as an embedded service. These 168 * functions replace the global C function AwtInit() which was previously 169 * exported by awt.dll. 170 * 171 * When used as an embedded service, the AWT does NOT have its own 172 * message pump. It instead relies on the parent application to provide 173 * this functionality. embeddedInit() assumes that the thread on which it 174 * is called is the message pumping thread. Violating this assumption 175 * will lead to undefined behavior. 176 * 177 * embeddedInit must be called before the WToolkit() constructor. 178 * embeddedDispose should be called before the applicaton terminates the 179 * Java VM. It is currently unsafe to reinitialize the toolkit again 180 * after it has been disposed. Instead, awt.dll must be reloaded and the 181 * class loader which loaded WToolkit must be finalized before it is 182 * safe to reuse AWT. Dynamic reusability may be added to the toolkit in 183 * the future. 184 */ 185 186 /** 187 * Initializes the Toolkit for use in an embedded environment. 188 * 189 * @return true if the initialization succeeded; false if it failed. 190 * The function will fail if the Toolkit was already initialized. 191 * @since 1.3 192 */ 193 public static native boolean embeddedInit(); 194 195 /** 196 * Disposes the Toolkit in an embedded environment. This method should 197 * not be called on exit unless the Toolkit was constructed with 198 * embeddedInit. 199 * 200 * @return true if the disposal succeeded; false if it failed. The 201 * function will fail if the calling thread is not the same 202 * thread which called embeddedInit(), or if the Toolkit was 203 * already disposed. 204 * @since 1.3 205 */ 206 public static native boolean embeddedDispose(); 207 208 /** 209 * To be called after processing the event queue by users of the above 210 * embeddedInit() function. The reason for this additional call is that 211 * there are some operations performed during idle time in the AwtToolkit 212 * event loop which should also be performed during idle time in any 213 * other native event loop. Failure to do so could result in 214 * deadlocks. 215 * 216 * This method was added at the last minute of the jdk1.4 release 217 * to work around a specific customer problem. As with the above 218 * embedded*() class, this method is non-public and should not be 219 * used by external applications. 220 * 221 * See bug #4526587 for more information. 222 */ 223 public native void embeddedEventLoopIdleProcessing(); 224 225 static class ToolkitDisposer implements sun.java2d.DisposerRecord { 226 @Override 227 public void dispose() { 228 WToolkit.postDispose(); 229 } 230 } 231 232 private final Object anchor = new Object(); 233 234 private static native void postDispose(); 235 236 private static native boolean startToolkitThread(Runnable thread, ThreadGroup rootThreadGroup); 237 238 public WToolkit() { 239 // Startup toolkit threads 240 if (PerformanceLogger.loggingEnabled()) { 241 PerformanceLogger.setTime("WToolkit construction"); 242 } 243 244 sun.java2d.Disposer.addRecord(anchor, new ToolkitDisposer()); 245 246 /* 247 * Fix for 4701990. 248 * AWTAutoShutdown state must be changed before the toolkit thread 249 * starts to avoid race condition. 250 */ 251 AWTAutoShutdown.notifyToolkitThreadBusy(); 252 253 // Find a root TG and attach toolkit thread to it 254 ThreadGroup rootTG = AccessController.doPrivileged( 255 (PrivilegedAction<ThreadGroup>) ThreadGroupUtils::getRootThreadGroup); 256 if (!startToolkitThread(this, rootTG)) { 257 String name = "AWT-Windows"; 258 Thread toolkitThread = new ManagedLocalsThread(rootTG, this, name); 259 toolkitThread.setDaemon(true); 260 toolkitThread.start(); 261 } 262 263 try { 264 synchronized(this) { 265 while(!inited) { 266 wait(); 267 } 268 } 269 } catch (InterruptedException x) { 270 // swallow the exception 271 } 272 273 // Enabled "live resizing" by default. It remains controlled 274 // by the native system though. 275 setDynamicLayout(true); 276 277 areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true")); 278 //set system property if not yet assigned 279 System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled); 280 setExtraMouseButtonsEnabledNative(areExtraMouseButtonsEnabled); 281 } 282 283 private void registerShutdownHook() { 284 AccessController.doPrivileged((PrivilegedAction<Void>) () -> { 285 Thread shutdown = new ManagedLocalsThread( 286 ThreadGroupUtils.getRootThreadGroup(), this::shutdown); 287 shutdown.setContextClassLoader(null); 288 Runtime.getRuntime().addShutdownHook(shutdown); 289 return null; 290 }); 291 } 292 293 @Override 294 public void run() { 295 AccessController.doPrivileged((PrivilegedAction<Void>) () -> { 296 Thread.currentThread().setContextClassLoader(null); 297 Thread.currentThread().setPriority(Thread.NORM_PRIORITY + 1); 298 return null; 299 }); 300 301 boolean startPump = init(); 302 303 if (startPump) { 304 registerShutdownHook(); 305 } 306 307 synchronized(this) { 308 inited = true; 309 notifyAll(); 310 } 311 312 if (startPump) { 313 eventLoop(); // will Dispose Toolkit when shutdown hook executes 314 } 315 } 316 317 /* 318 * eventLoop() begins the native message pump which retrieves and processes 319 * native events. 320 * 321 * When shutdown() is called by the ShutdownHook added in run(), a 322 * WM_QUIT message is posted to the Toolkit thread indicating that 323 * eventLoop() should Dispose the toolkit and exit. 324 */ 325 private native boolean init(); 326 private boolean inited = false; 327 328 private native void eventLoop(); 329 private native void shutdown(); 330 331 /* 332 * Instead of blocking the "AWT-Windows" thread uselessly on a semaphore, 333 * use these functions. startSecondaryEventLoop() corresponds to wait() 334 * and quitSecondaryEventLoop() corresponds to notify. 335 * 336 * These functions simulate blocking while allowing the AWT to continue 337 * processing native events, eliminating a potential deadlock situation 338 * with SendMessage. 339 * 340 * WARNING: startSecondaryEventLoop must only be called from the "AWT- 341 * Windows" thread. 342 */ 343 static native void startSecondaryEventLoop(); 344 static native void quitSecondaryEventLoop(); 345 346 /* 347 * Create peer objects. 348 */ 349 350 @Override 351 public ButtonPeer createButton(Button target) { 352 ButtonPeer peer = new WButtonPeer(target); 353 targetCreatedPeer(target, peer); 354 return peer; 355 } 356 357 @Override 358 public TextFieldPeer createTextField(TextField target) { 359 TextFieldPeer peer = new WTextFieldPeer(target); 360 targetCreatedPeer(target, peer); 361 return peer; 362 } 363 364 @Override 365 public LabelPeer createLabel(Label target) { 366 LabelPeer peer = new WLabelPeer(target); 367 targetCreatedPeer(target, peer); 368 return peer; 369 } 370 371 @Override 372 public ListPeer createList(List target) { 373 ListPeer peer = new WListPeer(target); 374 targetCreatedPeer(target, peer); 375 return peer; 376 } 377 378 @Override 379 public CheckboxPeer createCheckbox(Checkbox target) { 380 CheckboxPeer peer = new WCheckboxPeer(target); 381 targetCreatedPeer(target, peer); 382 return peer; 383 } 384 385 @Override 386 public ScrollbarPeer createScrollbar(Scrollbar target) { 387 ScrollbarPeer peer = new WScrollbarPeer(target); 388 targetCreatedPeer(target, peer); 389 return peer; 390 } 391 392 @Override 393 public ScrollPanePeer createScrollPane(ScrollPane target) { 394 ScrollPanePeer peer = new WScrollPanePeer(target); 395 targetCreatedPeer(target, peer); 396 return peer; 397 } 398 399 @Override 400 public TextAreaPeer createTextArea(TextArea target) { 401 TextAreaPeer peer = new WTextAreaPeer(target); 402 targetCreatedPeer(target, peer); 403 return peer; 404 } 405 406 @Override 407 public ChoicePeer createChoice(Choice target) { 408 ChoicePeer peer = new WChoicePeer(target); 409 targetCreatedPeer(target, peer); 410 return peer; 411 } 412 413 @Override 414 public FramePeer createFrame(Frame target) { 415 FramePeer peer = new WFramePeer(target); 416 targetCreatedPeer(target, peer); 417 return peer; 418 } 419 420 @Override 421 public FramePeer createLightweightFrame(LightweightFrame target) { 422 FramePeer peer = new WLightweightFramePeer(target); 423 targetCreatedPeer(target, peer); 424 return peer; 425 } 426 427 @Override 428 public CanvasPeer createCanvas(Canvas target) { 429 CanvasPeer peer = new WCanvasPeer(target); 430 targetCreatedPeer(target, peer); 431 return peer; 432 } 433 434 @Override 435 public void disableBackgroundErase(Canvas canvas) { 436 WCanvasPeer peer = AWTAccessor.getComponentAccessor().getPeer(canvas); 437 if (peer == null) { 438 throw new IllegalStateException("Canvas must have a valid peer"); 439 } 440 peer.disableBackgroundErase(); 441 } 442 443 @Override 444 public PanelPeer createPanel(Panel target) { 445 PanelPeer peer = new WPanelPeer(target); 446 targetCreatedPeer(target, peer); 447 return peer; 448 } 449 450 @Override 451 public WindowPeer createWindow(Window target) { 452 WindowPeer peer = new WWindowPeer(target); 453 targetCreatedPeer(target, peer); 454 return peer; 455 } 456 457 @Override 458 public DialogPeer createDialog(Dialog target) { 459 DialogPeer peer = new WDialogPeer(target); 460 targetCreatedPeer(target, peer); 461 return peer; 462 } 463 464 @Override 465 public FileDialogPeer createFileDialog(FileDialog target) { 466 FileDialogPeer peer = new WFileDialogPeer(target); 467 targetCreatedPeer(target, peer); 468 return peer; 469 } 470 471 @Override 472 public MenuBarPeer createMenuBar(MenuBar target) { 473 MenuBarPeer peer = new WMenuBarPeer(target); 474 targetCreatedPeer(target, peer); 475 return peer; 476 } 477 478 @Override 479 public MenuPeer createMenu(Menu target) { 480 MenuPeer peer = new WMenuPeer(target); 481 targetCreatedPeer(target, peer); 482 return peer; 483 } 484 485 @Override 486 public PopupMenuPeer createPopupMenu(PopupMenu target) { 487 PopupMenuPeer peer = new WPopupMenuPeer(target); 488 targetCreatedPeer(target, peer); 489 return peer; 490 } 491 492 @Override 493 public MenuItemPeer createMenuItem(MenuItem target) { 494 MenuItemPeer peer = new WMenuItemPeer(target); 495 targetCreatedPeer(target, peer); 496 return peer; 497 } 498 499 @Override 500 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) { 501 CheckboxMenuItemPeer peer = new WCheckboxMenuItemPeer(target); 502 targetCreatedPeer(target, peer); 503 return peer; 504 } 505 506 @Override 507 public RobotPeer createRobot(Robot target, GraphicsDevice screen) { 508 // (target is unused for now) 509 // Robot's don't need to go in the peer map since 510 // they're not Component's 511 return new WRobotPeer(screen); 512 } 513 514 public WEmbeddedFramePeer createEmbeddedFrame(WEmbeddedFrame target) { 515 WEmbeddedFramePeer peer = new WEmbeddedFramePeer(target); 516 targetCreatedPeer(target, peer); 517 return peer; 518 } 519 520 WPrintDialogPeer createWPrintDialog(WPrintDialog target) { 521 WPrintDialogPeer peer = new WPrintDialogPeer(target); 522 targetCreatedPeer(target, peer); 523 return peer; 524 } 525 526 WPageDialogPeer createWPageDialog(WPageDialog target) { 527 WPageDialogPeer peer = new WPageDialogPeer(target); 528 targetCreatedPeer(target, peer); 529 return peer; 530 } 531 532 @Override 533 public TrayIconPeer createTrayIcon(TrayIcon target) { 534 WTrayIconPeer peer = new WTrayIconPeer(target); 535 targetCreatedPeer(target, peer); 536 return peer; 537 } 538 539 @Override 540 public SystemTrayPeer createSystemTray(SystemTray target) { 541 return new WSystemTrayPeer(target); 542 } 543 544 @Override 545 public boolean isTraySupported() { 546 return true; 547 } 548 549 @Override 550 public DataTransferer getDataTransferer() { 551 return WDataTransferer.getInstanceImpl(); 552 } 553 554 @Override 555 public KeyboardFocusManagerPeer getKeyboardFocusManagerPeer() 556 throws HeadlessException 557 { 558 return WKeyboardFocusManagerPeer.getInstance(); 559 } 560 561 private native void setDynamicLayoutNative(boolean b); 562 563 @Override 564 public void setDynamicLayout(boolean b) { 565 if (b == dynamicLayoutSetting) { 566 return; 567 } 568 569 dynamicLayoutSetting = b; 570 setDynamicLayoutNative(b); 571 } 572 573 @Override 574 protected boolean isDynamicLayoutSet() { 575 return dynamicLayoutSetting; 576 } 577 578 /* 579 * Called from lazilyLoadDynamicLayoutSupportedProperty because 580 * Windows doesn't always send WM_SETTINGCHANGE when it should. 581 */ 582 private native boolean isDynamicLayoutSupportedNative(); 583 584 @Override 585 public boolean isDynamicLayoutActive() { 586 return (isDynamicLayoutSet() && isDynamicLayoutSupported()); 587 } 588 589 /** 590 * Returns <code>true</code> if this frame state is supported. 591 */ 592 @Override 593 public boolean isFrameStateSupported(int state) { 594 switch (state) { 595 case Frame.NORMAL: 596 case Frame.ICONIFIED: 597 case Frame.MAXIMIZED_BOTH: 598 return true; 599 default: 600 return false; 601 } 602 } 603 604 static native ColorModel makeColorModel(); 605 static ColorModel screenmodel; 606 607 static ColorModel getStaticColorModel() { 608 if (GraphicsEnvironment.isHeadless()) { 609 throw new IllegalArgumentException(); 610 } 611 if (config == null) { 612 resetGC(); 613 } 614 return config.getColorModel(); 615 } 616 617 @Override 618 public ColorModel getColorModel() { 619 return getStaticColorModel(); 620 } 621 622 @Override 623 public Insets getScreenInsets(GraphicsConfiguration gc) 624 { 625 return getScreenInsets(((Win32GraphicsDevice) gc.getDevice()).getScreen()); 626 } 627 628 @Override 629 public int getScreenResolution() { 630 Win32GraphicsEnvironment ge = (Win32GraphicsEnvironment) 631 GraphicsEnvironment.getLocalGraphicsEnvironment(); 632 return ge.getXResolution(); 633 } 634 @Override 635 protected native int getScreenWidth(); 636 @Override 637 protected native int getScreenHeight(); 638 private native Insets getScreenInsets(int screen); 639 640 641 @Override 642 public FontMetrics getFontMetrics(Font font) { 643 // This is an unsupported hack, but left in for a customer. 644 // Do not remove. 645 FontManager fm = FontManagerFactory.getInstance(); 646 if (fm instanceof SunFontManager 647 && ((SunFontManager) fm).usePlatformFontMetrics()) { 648 return WFontMetrics.getFontMetrics(font); 649 } 650 return super.getFontMetrics(font); 651 } 652 653 @Override 654 public FontPeer getFontPeer(String name, int style) { 655 FontPeer retval = null; 656 String lcName = name.toLowerCase(); 657 if (null != cacheFontPeer) { 658 retval = cacheFontPeer.get(lcName + style); 659 if (null != retval) { 660 return retval; 661 } 662 } 663 retval = new WFontPeer(name, style); 664 if (retval != null) { 665 if (null == cacheFontPeer) { 666 cacheFontPeer = new Hashtable<>(5, 0.9f); 667 } 668 if (null != cacheFontPeer) { 669 cacheFontPeer.put(lcName + style, retval); 670 } 671 } 672 return retval; 673 } 674 675 private native void nativeSync(); 676 677 @Override 678 public void sync() { 679 // flush the GDI/DD buffers 680 nativeSync(); 681 // now flush the OGL pipeline (this is a no-op if OGL is not enabled) 682 OGLRenderQueue.sync(); 683 // now flush the D3D pipeline (this is a no-op if D3D is not enabled) 684 D3DRenderQueue.sync(); 685 } 686 687 @Override 688 public PrintJob getPrintJob(Frame frame, String doctitle, 689 Properties props) { 690 return getPrintJob(frame, doctitle, null, null); 691 } 692 693 @Override 694 public PrintJob getPrintJob(Frame frame, String doctitle, 695 JobAttributes jobAttributes, 696 PageAttributes pageAttributes) 697 { 698 if (frame == null) { 699 throw new NullPointerException("frame must not be null"); 700 } 701 702 PrintJob2D printJob = new PrintJob2D(frame, doctitle, 703 jobAttributes, pageAttributes); 704 705 if (printJob.printDialog() == false) { 706 printJob = null; 707 } 708 709 return printJob; 710 } 711 712 @Override 713 public native void beep(); 714 715 @Override 716 public boolean getLockingKeyState(int key) { 717 if (! (key == KeyEvent.VK_CAPS_LOCK || key == KeyEvent.VK_NUM_LOCK || 718 key == KeyEvent.VK_SCROLL_LOCK || key == KeyEvent.VK_KANA_LOCK)) { 719 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState"); 720 } 721 return getLockingKeyStateNative(key); 722 } 723 724 private native boolean getLockingKeyStateNative(int key); 725 726 @Override 727 public void setLockingKeyState(int key, boolean on) { 728 if (! (key == KeyEvent.VK_CAPS_LOCK || key == KeyEvent.VK_NUM_LOCK || 729 key == KeyEvent.VK_SCROLL_LOCK || key == KeyEvent.VK_KANA_LOCK)) { 730 throw new IllegalArgumentException("invalid key for Toolkit.setLockingKeyState"); 731 } 732 setLockingKeyStateNative(key, on); 733 } 734 735 private native void setLockingKeyStateNative(int key, boolean on); 736 737 @Override 738 public Clipboard getSystemClipboard() { 739 SecurityManager security = System.getSecurityManager(); 740 if (security != null) { 741 security.checkPermission(AWTPermissions.ACCESS_CLIPBOARD_PERMISSION); 742 } 743 synchronized (this) { 744 if (clipboard == null) { 745 clipboard = new WClipboard(); 746 } 747 } 748 return clipboard; 749 } 750 751 @Override 752 protected native void loadSystemColors(int[] systemColors); 753 754 public static Object targetToPeer(Object target) { 755 return SunToolkit.targetToPeer(target); 756 } 757 758 public static void targetDisposedPeer(Object target, Object peer) { 759 SunToolkit.targetDisposedPeer(target, peer); 760 } 761 762 /** 763 * Returns a new input method adapter descriptor for native input methods. 764 */ 765 @Override 766 public InputMethodDescriptor getInputMethodAdapterDescriptor() { 767 return new WInputMethodDescriptor(); 768 } 769 770 /** 771 * Returns a style map for the input method highlight. 772 */ 773 @Override 774 public Map<java.awt.font.TextAttribute,?> mapInputMethodHighlight( 775 InputMethodHighlight highlight) 776 { 777 return WInputMethod.mapInputMethodHighlight(highlight); 778 } 779 780 /** 781 * Returns whether enableInputMethods should be set to true for peered 782 * TextComponent instances on this platform. 783 */ 784 @Override 785 public boolean enableInputMethodsForTextComponent() { 786 return true; 787 } 788 789 /** 790 * Returns the default keyboard locale of the underlying operating system 791 */ 792 @Override 793 public Locale getDefaultKeyboardLocale() { 794 Locale locale = WInputMethod.getNativeLocale(); 795 796 if (locale == null) { 797 return super.getDefaultKeyboardLocale(); 798 } else { 799 return locale; 800 } 801 } 802 803 /** 804 * Returns a new custom cursor. 805 */ 806 @Override 807 public Cursor createCustomCursor(Image cursor, Point hotSpot, String name) 808 throws IndexOutOfBoundsException { 809 return new WCustomCursor(cursor, hotSpot, name); 810 } 811 812 /** 813 * Returns the supported cursor size (Win32 only has one). 814 */ 815 @Override 816 public Dimension getBestCursorSize(int preferredWidth, int preferredHeight) { 817 return new Dimension(WCustomCursor.getCursorWidth(), 818 WCustomCursor.getCursorHeight()); 819 } 820 821 @Override 822 public native int getMaximumCursorColors(); 823 824 static void paletteChanged() { 825 ((Win32GraphicsEnvironment)GraphicsEnvironment 826 .getLocalGraphicsEnvironment()) 827 .paletteChanged(); 828 } 829 830 /* 831 * Called from Toolkit native code when a WM_DISPLAYCHANGE occurs. 832 * Have Win32GraphicsEnvironment execute the display change code on the 833 * Event thread. 834 */ 835 public static void displayChanged() { 836 EventQueue.invokeLater(new Runnable() { 837 @Override 838 public void run() { 839 ((Win32GraphicsEnvironment)GraphicsEnvironment 840 .getLocalGraphicsEnvironment()) 841 .displayChanged(); 842 } 843 }); 844 } 845 846 /** 847 * create the peer for a DragSourceContext 848 */ 849 850 @Override 851 public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException { 852 final LightweightFrame f = SunToolkit.getLightweightFrame(dge.getComponent()); 853 if (f != null) { 854 return f.createDragSourceContextPeer(dge); 855 } 856 857 return WDragSourceContextPeer.createDragSourceContextPeer(dge); 858 } 859 860 @Override 861 @SuppressWarnings("unchecked") 862 public <T extends DragGestureRecognizer> T 863 createDragGestureRecognizer(Class<T> abstractRecognizerClass, 864 DragSource ds, Component c, int srcActions, 865 DragGestureListener dgl) 866 { 867 final LightweightFrame f = SunToolkit.getLightweightFrame(c); 868 if (f != null) { 869 return f.createDragGestureRecognizer(abstractRecognizerClass, ds, c, srcActions, dgl); 870 } 871 872 if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass)) 873 return (T)new WMouseDragGestureRecognizer(ds, c, srcActions, dgl); 874 else 875 return null; 876 } 877 878 /** 879 * 880 */ 881 882 private static final String prefix = "DnD.Cursor."; 883 private static final String postfix = ".32x32"; 884 private static final String awtPrefix = "awt."; 885 private static final String dndPrefix = "DnD."; 886 887 @Override 888 protected Object lazilyLoadDesktopProperty(String name) { 889 if (name.startsWith(prefix)) { 890 String cursorName = name.substring(prefix.length(), name.length()) + postfix; 891 892 try { 893 return Cursor.getSystemCustomCursor(cursorName); 894 } catch (AWTException awte) { 895 throw new RuntimeException("cannot load system cursor: " + cursorName, awte); 896 } 897 } 898 899 if (name.equals("awt.dynamicLayoutSupported")) { 900 return Boolean.valueOf(isDynamicLayoutSupported()); 901 } 902 903 if (WDesktopProperties.isWindowsProperty(name) || 904 name.startsWith(awtPrefix) || name.startsWith(dndPrefix)) 905 { 906 synchronized(this) { 907 lazilyInitWProps(); 908 return desktopProperties.get(name); 909 } 910 } 911 912 return super.lazilyLoadDesktopProperty(name); 913 } 914 915 private synchronized void lazilyInitWProps() { 916 if (wprops == null) { 917 wprops = new WDesktopProperties(this); 918 updateProperties(wprops.getProperties()); 919 } 920 } 921 922 /* 923 * Called from lazilyLoadDesktopProperty because Windows doesn't 924 * always send WM_SETTINGCHANGE when it should. 925 */ 926 private synchronized boolean isDynamicLayoutSupported() { 927 boolean nativeDynamic = isDynamicLayoutSupportedNative(); 928 lazilyInitWProps(); 929 Boolean prop = (Boolean) desktopProperties.get("awt.dynamicLayoutSupported"); 930 931 if (log.isLoggable(PlatformLogger.Level.FINER)) { 932 log.finer("In WTK.isDynamicLayoutSupported()" + 933 " nativeDynamic == " + nativeDynamic + 934 " wprops.dynamic == " + prop); 935 } 936 937 if ((prop == null) || (nativeDynamic != prop.booleanValue())) { 938 // We missed the WM_SETTINGCHANGE, so we pretend 939 // we just got one - fire the propertyChange, etc. 940 windowsSettingChange(); 941 return nativeDynamic; 942 } 943 944 return prop.booleanValue(); 945 } 946 947 /* 948 * Called from native toolkit code when WM_SETTINGCHANGE message received 949 * Also called from lazilyLoadDynamicLayoutSupportedProperty because 950 * Windows doesn't always send WM_SETTINGCHANGE when it should. 951 */ 952 private void windowsSettingChange() { 953 // JDK-8039383: Have to update the value of XPSTYLE_THEME_ACTIVE property 954 // as soon as possible to prevent NPE and other errors because theme data 955 // has become unavailable. 956 final Map<String, Object> props = getWProps(); 957 if (props == null) { 958 // props has not been initialized, so we have nothing to update 959 return; 960 } 961 962 updateXPStyleEnabled(props.get(XPSTYLE_THEME_ACTIVE)); 963 964 if (AppContext.getAppContext() == null) { 965 // We cannot post the update to any EventQueue. Listeners will 966 // be called on EDTs by DesktopPropertyChangeSupport 967 updateProperties(props); 968 } else { 969 // Cannot update on Toolkit thread. 970 // DesktopPropertyChangeSupport will call listeners on Toolkit 971 // thread if it has AppContext (standalone mode) 972 EventQueue.invokeLater(() -> updateProperties(props)); 973 } 974 } 975 976 private synchronized void updateProperties(final Map<String, Object> props) { 977 if (null == props) { 978 return; 979 } 980 981 updateXPStyleEnabled(props.get(XPSTYLE_THEME_ACTIVE)); 982 983 for (String propName : props.keySet()) { 984 Object val = props.get(propName); 985 if (log.isLoggable(PlatformLogger.Level.FINER)) { 986 log.finer("changed " + propName + " to " + val); 987 } 988 setDesktopProperty(propName, val); 989 } 990 } 991 992 private synchronized Map<String, Object> getWProps() { 993 return (wprops != null) ? wprops.getProperties() : null; 994 } 995 996 private void updateXPStyleEnabled(final Object dskProp) { 997 ThemeReader.xpStyleEnabled = Boolean.TRUE.equals(dskProp); 998 } 999 1000 @Override 1001 public synchronized void addPropertyChangeListener(String name, PropertyChangeListener pcl) { 1002 if (name == null) { 1003 // See JavaDoc for the Toolkit.addPropertyChangeListener() method 1004 return; 1005 } 1006 if ( WDesktopProperties.isWindowsProperty(name) 1007 || name.startsWith(awtPrefix) 1008 || name.startsWith(dndPrefix)) 1009 { 1010 // someone is interested in Windows-specific desktop properties 1011 // we should initialize wprops 1012 lazilyInitWProps(); 1013 } 1014 super.addPropertyChangeListener(name, pcl); 1015 } 1016 1017 /* 1018 * initialize only static props here and do not try to initialize props which depends on wprops, 1019 * this should be done in lazilyLoadDesktopProperty() only. 1020 */ 1021 @Override 1022 protected synchronized void initializeDesktopProperties() { 1023 desktopProperties.put("DnD.Autoscroll.initialDelay", 1024 Integer.valueOf(50)); 1025 desktopProperties.put("DnD.Autoscroll.interval", 1026 Integer.valueOf(50)); 1027 desktopProperties.put("DnD.isDragImageSupported", 1028 Boolean.TRUE); 1029 desktopProperties.put("Shell.shellFolderManager", 1030 "sun.awt.shell.Win32ShellFolderManager2"); 1031 } 1032 1033 /* 1034 * This returns the value for the desktop property "awt.font.desktophints" 1035 * This requires that the Windows properties have already been gathered. 1036 */ 1037 @Override 1038 protected synchronized RenderingHints getDesktopAAHints() { 1039 if (wprops == null) { 1040 return null; 1041 } else { 1042 return wprops.getDesktopAAHints(); 1043 } 1044 } 1045 1046 @Override 1047 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) { 1048 return (modalityType == null) || 1049 (modalityType == Dialog.ModalityType.MODELESS) || 1050 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) || 1051 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) || 1052 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL); 1053 } 1054 1055 @Override 1056 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) { 1057 return (exclusionType == null) || 1058 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) || 1059 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) || 1060 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE); 1061 } 1062 1063 public static WToolkit getWToolkit() { 1064 WToolkit toolkit = (WToolkit)Toolkit.getDefaultToolkit(); 1065 return toolkit; 1066 } 1067 1068 /** 1069 * There are two reasons why we don't use buffer per window when 1070 * Vista's DWM (aka Aero) is enabled: 1071 * - since with DWM all windows are already double-buffered, the application 1072 * doesn't get expose events so we don't get to use our true back-buffer, 1073 * wasting memory and performance (this is valid for both d3d and gdi 1074 * pipelines) 1075 * - in some cases with buffer per window enabled it is possible for the 1076 * paint manager to redirect rendering to the screen for some operations 1077 * (like copyArea), and since bpw uses its own BufferStrategy the 1078 * d3d onscreen rendering support is disabled and rendering goes through 1079 * GDI. This doesn't work well with Vista's DWM since one 1080 * can not perform GDI and D3D operations on the same surface 1081 * (see 6630702 for more info) 1082 * 1083 * Note: even though DWM composition state can change during the lifetime 1084 * of the application it is a rare event, and it is more often that it 1085 * is temporarily disabled (because of some app) than it is getting 1086 * permanently enabled so we can live with this approach without the 1087 * complexity of dwm state listeners and such. This can be revisited if 1088 * proved otherwise. 1089 */ 1090 @Override 1091 public boolean useBufferPerWindow() { 1092 return !Win32GraphicsEnvironment.isDWMCompositionEnabled(); 1093 } 1094 1095 @Override 1096 public void grab(Window w) { 1097 final Object peer = AWTAccessor.getComponentAccessor().getPeer(w); 1098 if (peer != null) { 1099 ((WWindowPeer) peer).grab(); 1100 } 1101 } 1102 1103 @Override 1104 public void ungrab(Window w) { 1105 final Object peer = AWTAccessor.getComponentAccessor().getPeer(w); 1106 if (peer != null) { 1107 ((WWindowPeer) peer).ungrab(); 1108 } 1109 } 1110 1111 @Override 1112 public native boolean syncNativeQueue(final long timeout); 1113 @Override 1114 public boolean isDesktopSupported() { 1115 return true; 1116 } 1117 1118 @Override 1119 public DesktopPeer createDesktopPeer(Desktop target) { 1120 return new WDesktopPeer(); 1121 } 1122 1123 private static native void setExtraMouseButtonsEnabledNative(boolean enable); 1124 1125 @Override 1126 public boolean areExtraMouseButtonsEnabled() throws HeadlessException { 1127 return areExtraMouseButtonsEnabled; 1128 } 1129 1130 private synchronized native int getNumberOfButtonsImpl(); 1131 1132 @Override 1133 public int getNumberOfButtons(){ 1134 if (numberOfButtons == 0) { 1135 numberOfButtons = getNumberOfButtonsImpl(); 1136 } 1137 return (numberOfButtons > MAX_BUTTONS_SUPPORTED)? MAX_BUTTONS_SUPPORTED : numberOfButtons; 1138 } 1139 1140 @Override 1141 public boolean isWindowOpacitySupported() { 1142 // supported in Win2K and later 1143 return true; 1144 } 1145 1146 @Override 1147 public boolean isWindowShapingSupported() { 1148 return true; 1149 } 1150 1151 @Override 1152 public boolean isWindowTranslucencySupported() { 1153 // supported in Win2K and later 1154 return true; 1155 } 1156 1157 @Override 1158 public boolean isTranslucencyCapable(GraphicsConfiguration gc) { 1159 //XXX: worth checking if 8-bit? Anyway, it doesn't hurt. 1160 return true; 1161 } 1162 1163 // On MS Windows one must use the peer.updateWindow() to implement 1164 // non-opaque windows. 1165 @Override 1166 public boolean needUpdateWindow() { 1167 return true; 1168 } 1169 }