1 /*
   2  * Copyright (c) 2011, 2018, 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 #import "jni_util.h"
  27 #import "CGLGraphicsConfig.h"
  28 #import "AWTView.h"
  29 #import "AWTWindow.h"
  30 #import "JavaComponentAccessibility.h"
  31 #import "JavaTextAccessibility.h"
  32 #import "JavaAccessibilityUtilities.h"
  33 #import "GeomUtilities.h"
  34 #import "OSVersion.h"
  35 #import "ThreadUtilities.h"
  36 #import "JNIUtilities.h"
  37 
  38 #import <Carbon/Carbon.h>
  39 
  40 // keyboard layout
  41 static NSString *kbdLayout;
  42 
  43 @interface AWTView()
  44 @property (retain) CDropTarget *_dropTarget;
  45 @property (retain) CDragSource *_dragSource;
  46 
  47 -(void) deliverResize: (NSRect) rect;
  48 -(void) resetTrackingArea;
  49 -(void) deliverJavaKeyEventHelper: (NSEvent*) event;
  50 -(BOOL) isCodePointInUnicodeBlockNeedingIMEvent: (unichar) codePoint;
  51 -(NSMutableString *) parseString : (id) complexString;
  52 @end
  53 
  54 // Uncomment this line to see fprintfs of each InputMethod API being called on this View
  55 //#define IM_DEBUG TRUE
  56 //#define EXTRA_DEBUG
  57 
  58 static BOOL shouldUsePressAndHold() {
  59     static int shouldUsePressAndHold = -1;
  60     if (shouldUsePressAndHold != -1) return shouldUsePressAndHold;
  61     shouldUsePressAndHold = !isSnowLeopardOrLower();
  62     return shouldUsePressAndHold;
  63 }
  64 
  65 @implementation AWTView
  66 
  67 @synthesize _dropTarget;
  68 @synthesize _dragSource;
  69 @synthesize cglLayer;
  70 @synthesize mouseIsOver;
  71 
  72 // Note: Must be called on main (AppKit) thread only
  73 - (id) initWithRect: (NSRect) rect
  74        platformView: (jobject) cPlatformView
  75         windowLayer: (CALayer*) windowLayer
  76 {
  77     AWT_ASSERT_APPKIT_THREAD;
  78     // Initialize ourselves
  79     self = [super initWithFrame: rect];
  80     if (self == nil) return self;
  81 
  82     m_cPlatformView = cPlatformView;
  83     fInputMethodLOCKABLE = NULL;
  84     fKeyEventsNeeded = NO;
  85     fProcessingKeystroke = NO;
  86 
  87     fEnablePressAndHold = shouldUsePressAndHold();
  88     fInPressAndHold = NO;
  89     fPAHNeedsToSelect = NO;
  90 
  91     mouseIsOver = NO;
  92     [self resetTrackingArea];
  93     [self setAutoresizesSubviews:NO];
  94 
  95     if (windowLayer != nil) {
  96         self.cglLayer = windowLayer;
  97         //Layer hosting view
  98         [self setLayer: cglLayer];
  99         [self setWantsLayer: YES];
 100         //Layer backed view
 101         //[self.layer addSublayer: (CALayer *)cglLayer];
 102         //[self setLayerContentsRedrawPolicy: NSViewLayerContentsRedrawDuringViewResize];
 103         //[self setLayerContentsPlacement: NSViewLayerContentsPlacementTopLeft];
 104         //[self setAutoresizingMask: NSViewHeightSizable | NSViewWidthSizable];
 105 
 106 #ifdef REMOTELAYER
 107         CGLLayer *parentLayer = (CGLLayer*)self.cglLayer;
 108         parentLayer.parentLayer = NULL;
 109         parentLayer.remoteLayer = NULL;
 110         if (JRSRemotePort != 0 && remoteSocketFD > 0) {
 111             CGLLayer *remoteLayer = [[CGLLayer alloc] initWithJavaLayer: parentLayer.javaLayer];
 112             remoteLayer.target = GL_TEXTURE_2D;
 113             NSLog(@"Creating Parent=%p, Remote=%p", parentLayer, remoteLayer);
 114             parentLayer.remoteLayer = remoteLayer;
 115             remoteLayer.parentLayer = parentLayer;
 116             remoteLayer.remoteLayer = NULL;
 117             remoteLayer.jrsRemoteLayer = [remoteLayer createRemoteLayerBoundTo:JRSRemotePort];
 118             [remoteLayer retain];  // REMIND
 119             remoteLayer.frame = CGRectMake(0, 0, 720, 500); // REMIND
 120             [remoteLayer.jrsRemoteLayer retain]; // REMIND
 121             int layerID = [remoteLayer.jrsRemoteLayer layerID];
 122             NSLog(@"layer id to send = %d", layerID);
 123             sendLayerID(layerID);
 124         }
 125 #endif /* REMOTELAYER */
 126     }
 127 
 128     return self;
 129 }
 130 
 131 - (void) dealloc {
 132     AWT_ASSERT_APPKIT_THREAD;
 133 
 134     self.cglLayer = nil;
 135 
 136     JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
 137     (*env)->DeleteWeakGlobalRef(env, m_cPlatformView);
 138     m_cPlatformView = NULL;
 139 
 140     if (fInputMethodLOCKABLE != NULL)
 141     {
 142         JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
 143 
 144         (*env)->DeleteGlobalRef(env, fInputMethodLOCKABLE);
 145         fInputMethodLOCKABLE = NULL;
 146     }
 147 
 148     if (rolloverTrackingArea != nil) {
 149         [self removeTrackingArea:rolloverTrackingArea];
 150         [rolloverTrackingArea release];
 151         rolloverTrackingArea = nil;
 152     }
 153 
 154     [super dealloc];
 155 }
 156 
 157 - (void) viewDidMoveToWindow {
 158     AWT_ASSERT_APPKIT_THREAD;
 159 
 160     [AWTToolkit eventCountPlusPlus];
 161 
 162     [ThreadUtilities performOnMainThreadWaiting:NO block:^() {
 163         [[self window] makeFirstResponder: self];
 164     }];
 165     if ([self window] != NULL) {
 166         [self resetTrackingArea];
 167     }
 168 }
 169 
 170 - (BOOL) acceptsFirstMouse: (NSEvent *)event {
 171     return YES;
 172 }
 173 
 174 - (BOOL) acceptsFirstResponder {
 175     return YES;
 176 }
 177 
 178 - (BOOL) becomeFirstResponder {
 179     return YES;
 180 }
 181 
 182 - (BOOL) preservesContentDuringLiveResize {
 183     return YES;
 184 }
 185 
 186 /*
 187  * Automatically triggered functions.
 188  */
 189 
 190 - (void)resizeWithOldSuperviewSize:(NSSize)oldBoundsSize {
 191     [super resizeWithOldSuperviewSize: oldBoundsSize];
 192     [self deliverResize: [self frame]];
 193 }
 194 
 195 /*
 196  * MouseEvents support
 197  */
 198 
 199 - (void) mouseDown: (NSEvent *)event {
 200     NSInputManager *inputManager = [NSInputManager currentInputManager];
 201     if ([inputManager wantsToHandleMouseEvents]) {
 202 #if IM_DEBUG
 203         NSLog(@"-> IM wants to handle event");
 204 #endif
 205         if (![inputManager handleMouseEvent:event]) {
 206             [self deliverJavaMouseEvent: event];
 207         } else {
 208 #if IM_DEBUG
 209             NSLog(@"-> Event was handled.");
 210 #endif
 211         }
 212     } else {
 213 #if IM_DEBUG
 214         NSLog(@"-> IM does not want to handle event");
 215 #endif
 216         [self deliverJavaMouseEvent: event];
 217     }
 218 }
 219 
 220 - (void) mouseUp: (NSEvent *)event {
 221     [self deliverJavaMouseEvent: event];
 222 }
 223 
 224 - (void) rightMouseDown: (NSEvent *)event {
 225     [self deliverJavaMouseEvent: event];
 226 }
 227 
 228 - (void) rightMouseUp: (NSEvent *)event {
 229     [self deliverJavaMouseEvent: event];
 230 }
 231 
 232 - (void) otherMouseDown: (NSEvent *)event {
 233     [self deliverJavaMouseEvent: event];
 234 }
 235 
 236 - (void) otherMouseUp: (NSEvent *)event {
 237     [self deliverJavaMouseEvent: event];
 238 }
 239 
 240 - (void) mouseMoved: (NSEvent *)event {
 241     // TODO: better way to redirect move events to the "under" view
 242 
 243     NSPoint eventLocation = [event locationInWindow];
 244     NSPoint localPoint = [self convertPoint: eventLocation fromView: nil];
 245 
 246     if  ([self mouse: localPoint inRect: [self bounds]]) {
 247         [self deliverJavaMouseEvent: event];
 248     } else {
 249         [[self nextResponder] mouseDown:event];
 250     }
 251 }
 252 
 253 - (void) mouseDragged: (NSEvent *)event {
 254     [self deliverJavaMouseEvent: event];
 255 }
 256 
 257 - (void) rightMouseDragged: (NSEvent *)event {
 258     [self deliverJavaMouseEvent: event];
 259 }
 260 
 261 - (void) otherMouseDragged: (NSEvent *)event {
 262     [self deliverJavaMouseEvent: event];
 263 }
 264 
 265 - (void) mouseEntered: (NSEvent *)event {
 266     [[self window] setAcceptsMouseMovedEvents:YES];
 267     //[[self window] makeFirstResponder:self];
 268     [self deliverJavaMouseEvent: event];
 269 }
 270 
 271 - (void) mouseExited: (NSEvent *)event {
 272     [[self window] setAcceptsMouseMovedEvents:NO];
 273     [self deliverJavaMouseEvent: event];
 274     //Restore the cursor back.
 275     //[CCursorManager _setCursor: [NSCursor arrowCursor]];
 276 }
 277 
 278 - (void) scrollWheel: (NSEvent*) event {
 279     [self deliverJavaMouseEvent: event];
 280 }
 281 
 282 /*
 283  * KeyEvents support
 284  */
 285 
 286 - (void) keyDown: (NSEvent *)event {
 287     fProcessingKeystroke = YES;
 288     fKeyEventsNeeded = YES;
 289 
 290     // Allow TSM to look at the event and potentially send back NSTextInputClient messages.
 291     [self interpretKeyEvents:[NSArray arrayWithObject:event]];
 292 
 293     if (fEnablePressAndHold && [event willBeHandledByComplexInputMethod] &&
 294         fInputMethodLOCKABLE)
 295     {
 296         fProcessingKeystroke = NO;
 297         if (!fInPressAndHold) {
 298             fInPressAndHold = YES;
 299             fPAHNeedsToSelect = YES;
 300         } else {
 301             // Abandon input to reset IM and unblock input after canceling
 302             // input accented symbols
 303 
 304             switch([event keyCode]) {
 305                 case kVK_Escape:
 306                 case kVK_Delete:
 307                 case kVK_Return:
 308                 case kVK_ForwardDelete:
 309                 case kVK_PageUp:
 310                 case kVK_PageDown:
 311                 case kVK_DownArrow:
 312                 case kVK_UpArrow:
 313                 case kVK_Home:
 314                 case kVK_End:
 315                    [self abandonInput];
 316                    break;
 317             }
 318         }
 319         return;
 320     }
 321 
 322     NSString *eventCharacters = [event characters];
 323     BOOL isDeadKey = (eventCharacters != nil && [eventCharacters length] == 0);
 324 
 325     if ((![self hasMarkedText] && fKeyEventsNeeded) || isDeadKey) {
 326         [self deliverJavaKeyEventHelper: event];
 327     }
 328 
 329     fProcessingKeystroke = NO;
 330 }
 331 
 332 - (void) keyUp: (NSEvent *)event {
 333     [self deliverJavaKeyEventHelper: event];
 334 }
 335 
 336 - (void) flagsChanged: (NSEvent *)event {
 337     [self deliverJavaKeyEventHelper: event];
 338 }
 339 
 340 - (BOOL) performKeyEquivalent: (NSEvent *) event {
 341     // if IM is active key events should be ignored
 342     if (![self hasMarkedText] && !fInPressAndHold) {
 343         [self deliverJavaKeyEventHelper: event];
 344     }
 345 
 346     // Workaround for 8020209: special case for "Cmd =" and "Cmd ."
 347     // because Cocoa calls performKeyEquivalent twice for these keystrokes
 348     NSUInteger modFlags = [event modifierFlags] &
 349     (NSCommandKeyMask | NSAlternateKeyMask | NSShiftKeyMask | NSControlKeyMask);
 350     if (modFlags == NSCommandKeyMask) {
 351         NSString *eventChars = [event charactersIgnoringModifiers];
 352         if ([eventChars length] == 1) {
 353             unichar ch = [eventChars characterAtIndex:0];
 354             if (ch == '=' || ch == '.') {
 355                 [[NSApp mainMenu] performKeyEquivalent: event];
 356                 return YES;
 357             }
 358         }
 359 
 360     }
 361 
 362     return NO;
 363 }
 364 
 365 /**
 366  * Utility methods and accessors
 367  */
 368 
 369 -(void) deliverJavaMouseEvent: (NSEvent *) event {
 370     BOOL isEnabled = YES;
 371     NSWindow* window = [self window];
 372     if ([window isKindOfClass: [AWTWindow_Panel class]] || [window isKindOfClass: [AWTWindow_Normal class]]) {
 373         isEnabled = [(AWTWindow*)[window delegate] isEnabled];
 374     }
 375 
 376     if (!isEnabled) {
 377         return;
 378     }
 379 
 380     NSEventType type = [event type];
 381 
 382     // check synthesized mouse entered/exited events
 383     if ((type == NSMouseEntered && mouseIsOver) || (type == NSMouseExited && !mouseIsOver)) {
 384         return;
 385     }else if ((type == NSMouseEntered && !mouseIsOver) || (type == NSMouseExited && mouseIsOver)) {
 386         mouseIsOver = !mouseIsOver;
 387     }
 388 
 389     [AWTToolkit eventCountPlusPlus];
 390 
 391     JNIEnv *env = [ThreadUtilities getJNIEnv];
 392 
 393     NSPoint eventLocation = [event locationInWindow];
 394     NSPoint localPoint = [self convertPoint: eventLocation fromView: nil];
 395     NSPoint absP = [NSEvent mouseLocation];
 396 
 397     // Convert global numbers between Cocoa's coordinate system and Java.
 398     // TODO: need consitent way for doing that both with global as well as with local coordinates.
 399     // The reason to do it here is one more native method for getting screen dimension otherwise.
 400 
 401     NSRect screenRect = [[[NSScreen screens] objectAtIndex:0] frame];
 402     absP.y = screenRect.size.height - absP.y;
 403     jint clickCount;
 404 
 405     if (type == NSMouseEntered ||
 406         type == NSMouseExited ||
 407         type == NSScrollWheel ||
 408         type == NSMouseMoved) {
 409         clickCount = 0;
 410     } else {
 411         clickCount = [event clickCount];
 412     }
 413 
 414     jdouble deltaX = [event deltaX];
 415     jdouble deltaY = [event deltaY];
 416     if ([AWTToolkit hasPreciseScrollingDeltas: event]) {
 417         deltaX = [event scrollingDeltaX] * 0.1;
 418         deltaY = [event scrollingDeltaY] * 0.1;
 419     }
 420 
 421     DECLARE_CLASS(jc_NSEvent, "sun/lwawt/macosx/NSEvent");
 422     DECLARE_METHOD(jctor_NSEvent, jc_NSEvent, "<init>", "(IIIIIIIIDDI)V");
 423     jobject jEvent = (*env)->NewObject(env, jc_NSEvent, jctor_NSEvent,
 424                                   [event type],
 425                                   [event modifierFlags],
 426                                   clickCount,
 427                                   [event buttonNumber],
 428                                   (jint)localPoint.x, (jint)localPoint.y,
 429                                   (jint)absP.x, (jint)absP.y,
 430                                   deltaY,
 431                                   deltaX,
 432                                   [AWTToolkit scrollStateWithEvent: event]);
 433     CHECK_NULL(jEvent);
 434 
 435     DECLARE_CLASS(jc_PlatformView, "sun/lwawt/macosx/CPlatformView");
 436     DECLARE_METHOD(jm_deliverMouseEvent, jc_PlatformView, "deliverMouseEvent", "(Lsun/lwawt/macosx/NSEvent;)V");
 437     jobject jlocal = (*env)->NewLocalRef(env, m_cPlatformView);
 438     if (!(*env)->IsSameObject(env, jlocal, NULL)) {
 439         (*env)->CallVoidMethod(env, jlocal, jm_deliverMouseEvent, jEvent);
 440         CHECK_EXCEPTION();
 441         (*env)->DeleteLocalRef(env, jlocal);
 442     }
 443     (*env)->DeleteLocalRef(env, jEvent);
 444 }
 445 
 446 - (void) resetTrackingArea {
 447     if (rolloverTrackingArea != nil) {
 448         [self removeTrackingArea:rolloverTrackingArea];
 449         [rolloverTrackingArea release];
 450     }
 451 
 452     int options = (NSTrackingActiveAlways | NSTrackingMouseEnteredAndExited |
 453                    NSTrackingMouseMoved | NSTrackingEnabledDuringMouseDrag);
 454 
 455     rolloverTrackingArea = [[NSTrackingArea alloc] initWithRect:[self visibleRect]
 456                                                         options: options
 457                                                           owner:self
 458                                                        userInfo:nil
 459                             ];
 460     [self addTrackingArea:rolloverTrackingArea];
 461 }
 462 
 463 - (void)updateTrackingAreas {
 464     [super updateTrackingAreas];
 465     [self resetTrackingArea];
 466 }
 467 
 468 - (void) resetCursorRects {
 469     [super resetCursorRects];
 470     [self resetTrackingArea];
 471 }
 472 
 473 -(void) deliverJavaKeyEventHelper: (NSEvent *) event {
 474     static NSEvent* sLastKeyEvent = nil;
 475     if (event == sLastKeyEvent) {
 476         // The event is repeatedly delivered by keyDown: after performKeyEquivalent:
 477         return;
 478     }
 479     [sLastKeyEvent release];
 480     sLastKeyEvent = [event retain];
 481 
 482     [AWTToolkit eventCountPlusPlus];
 483     JNIEnv *env = [ThreadUtilities getJNIEnv];
 484 
 485     jstring characters = NULL;
 486     jstring charactersIgnoringModifiers = NULL;
 487     if ([event type] != NSFlagsChanged) {
 488         characters = NSStringToJavaString(env, [event characters]);
 489         charactersIgnoringModifiers = NSStringToJavaString(env, [event charactersIgnoringModifiers]);
 490     }
 491 
 492     DECLARE_CLASS(jc_NSEvent, "sun/lwawt/macosx/NSEvent");
 493     DECLARE_METHOD(jctor_NSEvent, jc_NSEvent, "<init>", "(IISLjava/lang/String;Ljava/lang/String;)V");
 494     jobject jEvent = (*env)->NewObject(env, jc_NSEvent, jctor_NSEvent,
 495                                   [event type],
 496                                   [event modifierFlags],
 497                                   [event keyCode],
 498                                   characters,
 499                                   charactersIgnoringModifiers);
 500     CHECK_NULL(jEvent);
 501 
 502     DECLARE_CLASS(jc_PlatformView, "sun/lwawt/macosx/CPlatformView");
 503     DECLARE_METHOD(jm_deliverKeyEvent, jc_PlatformView,
 504                             "deliverKeyEvent", "(Lsun/lwawt/macosx/NSEvent;)V");
 505     jobject jlocal = (*env)->NewLocalRef(env, m_cPlatformView);
 506     if (!(*env)->IsSameObject(env, jlocal, NULL)) {
 507         (*env)->CallVoidMethod(env, jlocal, jm_deliverKeyEvent, jEvent);
 508         CHECK_EXCEPTION();
 509         (*env)->DeleteLocalRef(env, jlocal);
 510     }
 511     if (characters != NULL) {
 512         (*env)->DeleteLocalRef(env, characters);
 513     }
 514     (*env)->DeleteLocalRef(env, jEvent);
 515 }
 516 
 517 -(void) deliverResize: (NSRect) rect {
 518     jint x = (jint) rect.origin.x;
 519     jint y = (jint) rect.origin.y;
 520     jint w = (jint) rect.size.width;
 521     jint h = (jint) rect.size.height;
 522     JNIEnv *env = [ThreadUtilities getJNIEnv];
 523     DECLARE_CLASS(jc_PlatformView, "sun/lwawt/macosx/CPlatformView");
 524     DECLARE_METHOD(jm_deliverResize, jc_PlatformView, "deliverResize", "(IIII)V");
 525 
 526     jobject jlocal = (*env)->NewLocalRef(env, m_cPlatformView);
 527     if (!(*env)->IsSameObject(env, jlocal, NULL)) {
 528         (*env)->CallVoidMethod(env, jlocal, jm_deliverResize, x,y,w,h);
 529         CHECK_EXCEPTION();
 530         (*env)->DeleteLocalRef(env, jlocal);
 531     }
 532 }
 533 
 534 
 535 - (void) drawRect:(NSRect)dirtyRect {
 536     AWT_ASSERT_APPKIT_THREAD;
 537 
 538     [super drawRect:dirtyRect];
 539     JNIEnv *env = [ThreadUtilities getJNIEnv];
 540     if (env != NULL) {
 541         /*
 542          if ([self inLiveResize]) {
 543          NSRect rs[4];
 544          NSInteger count;
 545          [self getRectsExposedDuringLiveResize:rs count:&count];
 546          for (int i = 0; i < count; i++) {
 547          JNU_CallMethodByName(env, NULL, [m_awtWindow cPlatformView],
 548          "deliverWindowDidExposeEvent", "(FFFF)V",
 549          (jfloat)rs[i].origin.x, (jfloat)rs[i].origin.y,
 550          (jfloat)rs[i].size.width, (jfloat)rs[i].size.height);
 551          if ((*env)->ExceptionOccurred(env)) {
 552          (*env)->ExceptionDescribe(env);
 553          (*env)->ExceptionClear(env);
 554          }
 555          }
 556          } else {
 557          */
 558         DECLARE_CLASS(jc_CPlatformView, "sun/lwawt/macosx/CPlatformView");
 559         DECLARE_METHOD(jm_deliverWindowDidExposeEvent, jc_CPlatformView, "deliverWindowDidExposeEvent", "()V");
 560         jobject jlocal = (*env)->NewLocalRef(env, m_cPlatformView);
 561         if (!(*env)->IsSameObject(env, jlocal, NULL)) {
 562             (*env)->CallVoidMethod(env, jlocal, jm_deliverWindowDidExposeEvent);
 563             CHECK_EXCEPTION();
 564             (*env)->DeleteLocalRef(env, jlocal);
 565         }
 566         /*
 567          }
 568          */
 569     }
 570 }
 571 
 572 -(BOOL) isCodePointInUnicodeBlockNeedingIMEvent: (unichar) codePoint {
 573     if ((codePoint == 0x0024) || (codePoint == 0x00A3) ||
 574         (codePoint == 0x00A5) ||
 575         ((codePoint >= 0x20A3) && (codePoint <= 0x20BF)) ||
 576         ((codePoint >= 0x3000) && (codePoint <= 0x303F)) ||
 577         ((codePoint >= 0xFF00) && (codePoint <= 0xFFEF))) {
 578         // Code point is in 'CJK Symbols and Punctuation' or
 579         // 'Halfwidth and Fullwidth Forms' Unicode block or
 580         // currency symbols unicode
 581         return YES;
 582     }
 583     return NO;
 584 }
 585 
 586 -(NSMutableString *) parseString : (id) complexString {
 587     if ([complexString isKindOfClass:[NSString class]]) {
 588         return [complexString mutableCopy];
 589     }
 590     else {
 591         return [complexString mutableString];
 592     }
 593 }
 594 
 595 // NSAccessibility support
 596 - (jobject)awtComponent:(JNIEnv*)env
 597 {
 598     DECLARE_CLASS_RETURN(jc_CPlatformView, "sun/lwawt/macosx/CPlatformView", NULL);
 599     DECLARE_FIELD_RETURN(jf_Peer, jc_CPlatformView, "peer", "Lsun/lwawt/LWWindowPeer;", NULL);
 600     if ((env == NULL) || (m_cPlatformView == NULL)) {
 601         NSLog(@"Apple AWT : Error AWTView:awtComponent given bad parameters.");
 602         NSLog(@"%@",[NSThread callStackSymbols]);
 603         return NULL;
 604     }
 605 
 606     jobject peer = NULL;
 607     jobject jlocal = (*env)->NewLocalRef(env, m_cPlatformView);
 608     if (!(*env)->IsSameObject(env, jlocal, NULL)) {
 609         peer = (*env)->GetObjectField(env, jlocal, jf_Peer);
 610         (*env)->DeleteLocalRef(env, jlocal);
 611     }
 612     DECLARE_CLASS_RETURN(jc_LWWindowPeer, "sun/lwawt/LWWindowPeer", NULL);
 613     DECLARE_FIELD_RETURN(jf_Target, jc_LWWindowPeer, "target", "Ljava/awt/Component;", NULL);
 614     if (peer == NULL) {
 615         NSLog(@"Apple AWT : Error AWTView:awtComponent got null peer from CPlatformView");
 616         NSLog(@"%@",[NSThread callStackSymbols]);
 617         return NULL;
 618     }
 619     jobject comp = (*env)->GetObjectField(env, peer, jf_Target);
 620     (*env)->DeleteLocalRef(env, peer);
 621     return comp;
 622 }
 623 
 624 + (AWTView *) awtView:(JNIEnv*)env ofAccessible:(jobject)jaccessible
 625 {
 626     DECLARE_CLASS_RETURN(sjc_CAccessibility, "sun/lwawt/macosx/CAccessibility", NULL);
 627     DECLARE_STATIC_METHOD_RETURN(jm_getAWTView, sjc_CAccessibility, "getAWTView", "(Ljavax/accessibility/Accessible;)J", NULL);
 628 
 629     jlong jptr = (*env)->CallStaticLongMethod(env, sjc_CAccessibility, jm_getAWTView, jaccessible);
 630     CHECK_EXCEPTION();
 631     if (jptr == 0) return nil;
 632 
 633     return (AWTView *)jlong_to_ptr(jptr);
 634 }
 635 
 636 - (id)getAxData:(JNIEnv*)env
 637 {
 638     jobject jcomponent = [self awtComponent:env];
 639     id ax = [[[JavaComponentAccessibility alloc] initWithParent:self withEnv:env withAccessible:jcomponent withIndex:-1 withView:self withJavaRole:nil] autorelease];
 640     (*env)->DeleteLocalRef(env, jcomponent);
 641     return ax;
 642 }
 643 
 644 - (NSArray *)accessibilityAttributeNames
 645 {
 646     return [[super accessibilityAttributeNames] arrayByAddingObject:NSAccessibilityChildrenAttribute];
 647 }
 648 
 649 // NSAccessibility messages
 650 // attribute methods
 651 - (id)accessibilityAttributeValue:(NSString *)attribute
 652 {
 653     AWT_ASSERT_APPKIT_THREAD;
 654 
 655     if ([attribute isEqualToString:NSAccessibilityChildrenAttribute])
 656     {
 657         JNIEnv *env = [ThreadUtilities getJNIEnv];
 658 
 659         (*env)->PushLocalFrame(env, 4);
 660 
 661         id result = NSAccessibilityUnignoredChildrenForOnlyChild([self getAxData:env]);
 662 
 663         (*env)->PopLocalFrame(env, NULL);
 664 
 665         return result;
 666     }
 667     else
 668     {
 669         return [super accessibilityAttributeValue:attribute];
 670     }
 671 }
 672 - (BOOL)accessibilityIsIgnored
 673 {
 674     return YES;
 675 }
 676 
 677 - (id)accessibilityHitTest:(NSPoint)point
 678 {
 679     AWT_ASSERT_APPKIT_THREAD;
 680     JNIEnv *env = [ThreadUtilities getJNIEnv];
 681 
 682     (*env)->PushLocalFrame(env, 4);
 683 
 684     id result = [[self getAxData:env] accessibilityHitTest:point withEnv:env];
 685 
 686     (*env)->PopLocalFrame(env, NULL);
 687 
 688     return result;
 689 }
 690 
 691 - (id)accessibilityFocusedUIElement
 692 {
 693     AWT_ASSERT_APPKIT_THREAD;
 694 
 695     JNIEnv *env = [ThreadUtilities getJNIEnv];
 696 
 697     (*env)->PushLocalFrame(env, 4);
 698 
 699     id result = [[self getAxData:env] accessibilityFocusedUIElement];
 700 
 701     (*env)->PopLocalFrame(env, NULL);
 702 
 703     return result;
 704 }
 705 
 706 // --- Services menu support for lightweights ---
 707 
 708 // finds the focused accessible element, and if it is a text element, obtains the text from it
 709 - (NSString *)accessibleSelectedText
 710 {
 711     id focused = [self accessibilityFocusedUIElement];
 712     if (![focused isKindOfClass:[JavaTextAccessibility class]]) return nil;
 713     return [(JavaTextAccessibility *)focused accessibilitySelectedTextAttribute];
 714 }
 715 
 716 // same as above, but converts to RTFD
 717 - (NSData *)accessibleSelectedTextAsRTFD
 718 {
 719     NSString *selectedText = [self accessibleSelectedText];
 720     NSAttributedString *styledText = [[NSAttributedString alloc] initWithString:selectedText];
 721     NSData *rtfdData = [styledText RTFDFromRange:NSMakeRange(0, [styledText length])
 722                               documentAttributes:
 723                                 @{NSDocumentTypeDocumentAttribute: NSRTFTextDocumentType}];
 724     [styledText release];
 725     return rtfdData;
 726 }
 727 
 728 // finds the focused accessible element, and if it is a text element, sets the text in it
 729 - (BOOL)replaceAccessibleTextSelection:(NSString *)text
 730 {
 731     id focused = [self accessibilityFocusedUIElement];
 732     if (![focused isKindOfClass:[JavaTextAccessibility class]]) return NO;
 733     [(JavaTextAccessibility *)focused accessibilitySetSelectedTextAttribute:text];
 734     return YES;
 735 }
 736 
 737 // called for each service in the Services menu - only handle text for now
 738 - (id)validRequestorForSendType:(NSString *)sendType returnType:(NSString *)returnType
 739 {
 740     if ([[self window] firstResponder] != self) return nil; // let AWT components handle themselves
 741 
 742     if ([sendType isEqual:NSStringPboardType] || [returnType isEqual:NSStringPboardType]) {
 743         NSString *selectedText = [self accessibleSelectedText];
 744         if (selectedText) return self;
 745     }
 746 
 747     return nil;
 748 }
 749 
 750 // fetch text from Java and hand off to the service
 751 - (BOOL)writeSelectionToPasteboard:(NSPasteboard *)pboard types:(NSArray *)types
 752 {
 753     if ([types containsObject:NSStringPboardType])
 754     {
 755         [pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
 756         return [pboard setString:[self accessibleSelectedText] forType:NSStringPboardType];
 757     }
 758 
 759     if ([types containsObject:NSRTFDPboardType])
 760     {
 761         [pboard declareTypes:[NSArray arrayWithObject:NSRTFDPboardType] owner:nil];
 762         return [pboard setData:[self accessibleSelectedTextAsRTFD] forType:NSRTFDPboardType];
 763     }
 764 
 765     return NO;
 766 }
 767 
 768 // write text back to Java from the service
 769 - (BOOL)readSelectionFromPasteboard:(NSPasteboard *)pboard
 770 {
 771     if ([[pboard types] containsObject:NSStringPboardType])
 772     {
 773         NSString *text = [pboard stringForType:NSStringPboardType];
 774         return [self replaceAccessibleTextSelection:text];
 775     }
 776 
 777     if ([[pboard types] containsObject:NSRTFDPboardType])
 778     {
 779         NSData *rtfdData = [pboard dataForType:NSRTFDPboardType];
 780         NSAttributedString *styledText = [[NSAttributedString alloc] initWithRTFD:rtfdData documentAttributes:NULL];
 781         NSString *text = [styledText string];
 782         [styledText release];
 783 
 784         return [self replaceAccessibleTextSelection:text];
 785     }
 786 
 787     return NO;
 788 }
 789 
 790 
 791 -(void) setDragSource:(CDragSource *)source {
 792     self._dragSource = source;
 793 }
 794 
 795 
 796 - (void) setDropTarget:(CDropTarget *)target {
 797     self._dropTarget = target;
 798     [ThreadUtilities performOnMainThread:@selector(controlModelControlValid) on:self._dropTarget withObject:nil waitUntilDone:YES];
 799 }
 800 
 801 /********************************  BEGIN NSDraggingSource Interface  ********************************/
 802 
 803 - (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)flag
 804 {
 805     // If draggingSource is nil route the message to the superclass (if responding to the selector):
 806     CDragSource *dragSource = self._dragSource;
 807     NSDragOperation dragOp = NSDragOperationNone;
 808 
 809     if (dragSource != nil) {
 810         dragOp = [dragSource draggingSourceOperationMaskForLocal:flag];
 811     }
 812     return dragOp;
 813 }
 814 
 815 - (NSArray *)namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination
 816 {
 817     // If draggingSource is nil route the message to the superclass (if responding to the selector):
 818     CDragSource *dragSource = self._dragSource;
 819     NSArray* array = nil;
 820 
 821     if (dragSource != nil) {
 822         array = [dragSource namesOfPromisedFilesDroppedAtDestination:dropDestination];
 823     }
 824     return array;
 825 }
 826 
 827 - (void)draggedImage:(NSImage *)image beganAt:(NSPoint)screenPoint
 828 {
 829     // If draggingSource is nil route the message to the superclass (if responding to the selector):
 830     CDragSource *dragSource = self._dragSource;
 831 
 832     if (dragSource != nil) {
 833         [dragSource draggedImage:image beganAt:screenPoint];
 834     }
 835 }
 836 
 837 - (void)draggedImage:(NSImage *)image endedAt:(NSPoint)screenPoint operation:(NSDragOperation)operation
 838 {
 839     // If draggingSource is nil route the message to the superclass (if responding to the selector):
 840     CDragSource *dragSource = self._dragSource;
 841 
 842     if (dragSource != nil) {
 843         [dragSource draggedImage:image endedAt:screenPoint operation:operation];
 844     }
 845 }
 846 
 847 - (void)draggedImage:(NSImage *)image movedTo:(NSPoint)screenPoint
 848 {
 849     // If draggingSource is nil route the message to the superclass (if responding to the selector):
 850     CDragSource *dragSource = self._dragSource;
 851 
 852     if (dragSource != nil) {
 853         [dragSource draggedImage:image movedTo:screenPoint];
 854     }
 855 }
 856 
 857 - (BOOL)ignoreModifierKeysWhileDragging
 858 {
 859     // If draggingSource is nil route the message to the superclass (if responding to the selector):
 860     CDragSource *dragSource = self._dragSource;
 861     BOOL result = FALSE;
 862 
 863     if (dragSource != nil) {
 864         result = [dragSource ignoreModifierKeysWhileDragging];
 865     }
 866     return result;
 867 }
 868 
 869 /********************************  END NSDraggingSource Interface  ********************************/
 870 
 871 /********************************  BEGIN NSDraggingDestination Interface  ********************************/
 872 
 873 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
 874 {
 875     // If draggingDestination is nil route the message to the superclass:
 876     CDropTarget *dropTarget = self._dropTarget;
 877     NSDragOperation dragOp = NSDragOperationNone;
 878 
 879     if (dropTarget != nil) {
 880         dragOp = [dropTarget draggingEntered:sender];
 881     }
 882     return dragOp;
 883 }
 884 
 885 - (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender
 886 {
 887     // If draggingDestination is nil route the message to the superclass:
 888     CDropTarget *dropTarget = self._dropTarget;
 889     NSDragOperation dragOp = NSDragOperationNone;
 890 
 891     if (dropTarget != nil) {
 892         dragOp = [dropTarget draggingUpdated:sender];
 893     }
 894     return dragOp;
 895 }
 896 
 897 - (void)draggingExited:(id <NSDraggingInfo>)sender
 898 {
 899     // If draggingDestination is nil route the message to the superclass:
 900     CDropTarget *dropTarget = self._dropTarget;
 901 
 902     if (dropTarget != nil) {
 903         [dropTarget draggingExited:sender];
 904     }
 905 }
 906 
 907 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
 908 {
 909     // If draggingDestination is nil route the message to the superclass:
 910     CDropTarget *dropTarget = self._dropTarget;
 911     BOOL result = FALSE;
 912 
 913     if (dropTarget != nil) {
 914         result = [dropTarget prepareForDragOperation:sender];
 915     }
 916     return result;
 917 }
 918 
 919 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 920 {
 921     // If draggingDestination is nil route the message to the superclass:
 922     CDropTarget *dropTarget = self._dropTarget;
 923     BOOL result = FALSE;
 924 
 925     if (dropTarget != nil) {
 926         result = [dropTarget performDragOperation:sender];
 927     }
 928     return result;
 929 }
 930 
 931 - (void)concludeDragOperation:(id <NSDraggingInfo>)sender
 932 {
 933     // If draggingDestination is nil route the message to the superclass:
 934     CDropTarget *dropTarget = self._dropTarget;
 935 
 936     if (dropTarget != nil) {
 937         [dropTarget concludeDragOperation:sender];
 938     }
 939 }
 940 
 941 - (void)draggingEnded:(id <NSDraggingInfo>)sender
 942 {
 943     // If draggingDestination is nil route the message to the superclass:
 944     CDropTarget *dropTarget = self._dropTarget;
 945 
 946     if (dropTarget != nil) {
 947         [dropTarget draggingEnded:sender];
 948     }
 949 }
 950 
 951 /********************************  END NSDraggingDestination Interface  ********************************/
 952 
 953 /********************************  BEGIN NSTextInputClient Protocol  ********************************/
 954 
 955 
 956 static jclass jc_CInputMethod = NULL;
 957 
 958 #define GET_CIM_CLASS() \
 959     GET_CLASS(jc_CInputMethod, "sun/lwawt/macosx/CInputMethod");
 960 
 961 #define GET_CIM_CLASS_RETURN(ret) \
 962     GET_CLASS_RETURN(jc_CInputMethod, "sun/lwawt/macosx/CInputMethod", ret);
 963 
 964 - (void) insertText:(id)aString replacementRange:(NSRange)replacementRange
 965 {
 966 #ifdef IM_DEBUG
 967     fprintf(stderr, "AWTView InputMethod Selector Called : [insertText]: %s\n", [aString UTF8String]);
 968 #endif // IM_DEBUG
 969 
 970     if (fInputMethodLOCKABLE == NULL) {
 971         return;
 972     }
 973 
 974     // Insert happens at the end of PAH
 975     fInPressAndHold = NO;
 976 
 977     // insertText gets called when the user commits text generated from an input method.  It also gets
 978     // called during ordinary input as well.  We only need to send an input method event when we have marked
 979     // text, or 'text in progress'.  We also need to send the event if we get an insert text out of the blue!
 980     // (i.e., when the user uses the Character palette or Inkwell), or when the string to insert is a complex
 981     // Unicode value.
 982 
 983     NSMutableString * useString = [self parseString:aString];
 984     NSUInteger utf16Length = [useString lengthOfBytesUsingEncoding:NSUTF16StringEncoding];
 985     NSUInteger utf8Length = [useString lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
 986     BOOL aStringIsComplex = NO;
 987 
 988     unichar codePoint = [useString characterAtIndex:0];
 989 
 990 #ifdef IM_DEBUG
 991     NSLog(@"insertText kbdlayout %@ ",(NSString *)kbdLayout);
 992 #endif // IM_DEBUG
 993 
 994     if ((utf16Length > 2) ||
 995         ((utf8Length > 1) && [self isCodePointInUnicodeBlockNeedingIMEvent:codePoint]) ||
 996         ((codePoint == 0x5c) && ([(NSString *)kbdLayout containsString:@"Kotoeri"]))) {
 997         aStringIsComplex = YES;
 998     }
 999 
1000     if ([self hasMarkedText] || !fProcessingKeystroke || aStringIsComplex) {
1001         JNIEnv *env = [ThreadUtilities getJNIEnv];
1002 
1003         GET_CIM_CLASS();
1004         DECLARE_METHOD(jm_selectPreviousGlyph, jc_CInputMethod, "selectPreviousGlyph", "()V");
1005         // We need to select the previous glyph so that it is overwritten.
1006         if (fPAHNeedsToSelect) {
1007             (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_selectPreviousGlyph);
1008             CHECK_EXCEPTION();
1009             fPAHNeedsToSelect = NO;
1010         }
1011 
1012         DECLARE_METHOD(jm_insertText, jc_CInputMethod, "insertText", "(Ljava/lang/String;)V");
1013         jstring insertedText =  NSStringToJavaString(env, useString);
1014         (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_insertText, insertedText);
1015         CHECK_EXCEPTION();
1016         (*env)->DeleteLocalRef(env, insertedText);
1017 
1018         // The input method event will create psuedo-key events for each character in the committed string.
1019         // We also don't want to send the character that triggered the insertText, usually a return. [3337563]
1020         fKeyEventsNeeded = NO;
1021     }
1022     else {
1023         // Need to set back the fKeyEventsNeeded flag so that the string following the
1024         // marked text is not ignored by keyDown
1025         if ([useString length] > 0) {
1026             fKeyEventsNeeded = YES;
1027         }
1028     }
1029     fPAHNeedsToSelect = NO;
1030 
1031     // Abandon input to reset IM and unblock input after entering accented
1032     // symbols
1033 
1034     [self abandonInput];
1035 }
1036 
1037 + (void)keyboardInputSourceChanged:(NSNotification *)notification
1038 {
1039 #ifdef IM_DEBUG
1040     NSLog(@"keyboardInputSourceChangeNotification received");
1041 #endif
1042     NSTextInputContext *curContxt = [NSTextInputContext currentInputContext];
1043     kbdLayout = curContxt.selectedKeyboardInputSource;
1044 }
1045 
1046 - (void) doCommandBySelector:(SEL)aSelector
1047 {
1048 #ifdef IM_DEBUG
1049     fprintf(stderr, "AWTView InputMethod Selector Called : [doCommandBySelector]\n");
1050     NSLog(@"%@", NSStringFromSelector(aSelector));
1051 #endif // IM_DEBUG
1052     if (@selector(insertNewline:) == aSelector || @selector(insertTab:) == aSelector || @selector(deleteBackward:) == aSelector)
1053     {
1054         fKeyEventsNeeded = YES;
1055     }
1056 }
1057 
1058 // setMarkedText: cannot take a nil first argument. aString can be NSString or NSAttributedString
1059 - (void) setMarkedText:(id)aString selectedRange:(NSRange)selectionRange replacementRange:(NSRange)replacementRange
1060 {
1061     if (!fInputMethodLOCKABLE)
1062         return;
1063 
1064     BOOL isAttributedString = [aString isKindOfClass:[NSAttributedString class]];
1065     NSAttributedString *attrString = (isAttributedString ? (NSAttributedString *)aString : nil);
1066     NSString *incomingString = (isAttributedString ? [aString string] : aString);
1067 #ifdef IM_DEBUG
1068     fprintf(stderr, "AWTView InputMethod Selector Called : [setMarkedText] \"%s\", loc=%lu, length=%lu\n", [incomingString UTF8String], (unsigned long)selectionRange.location, (unsigned long)selectionRange.length);
1069 #endif // IM_DEBUG
1070     JNIEnv *env = [ThreadUtilities getJNIEnv];
1071     GET_CIM_CLASS();
1072     DECLARE_METHOD(jm_startIMUpdate, jc_CInputMethod, "startIMUpdate", "(Ljava/lang/String;)V");
1073     DECLARE_METHOD(jm_addAttribute, jc_CInputMethod, "addAttribute", "(ZZII)V");
1074     DECLARE_METHOD(jm_dispatchText, jc_CInputMethod, "dispatchText", "(IIZ)V");
1075 
1076     // NSInputContext already did the analysis of the TSM event and created attributes indicating
1077     // the underlining and color that should be done to the string.  We need to look at the underline
1078     // style and color to determine what kind of Java hilighting needs to be done.
1079     jstring inProcessText = NSStringToJavaString(env, incomingString);
1080     (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_startIMUpdate, inProcessText);
1081     CHECK_EXCEPTION();
1082     (*env)->DeleteLocalRef(env, inProcessText);
1083 
1084     if (isAttributedString) {
1085         NSUInteger length;
1086         NSRange effectiveRange;
1087         NSDictionary *attributes;
1088         length = [attrString length];
1089         effectiveRange = NSMakeRange(0, 0);
1090         while (NSMaxRange(effectiveRange) < length) {
1091             attributes = [attrString attributesAtIndex:NSMaxRange(effectiveRange)
1092                                         effectiveRange:&effectiveRange];
1093             if (attributes) {
1094                 BOOL isThickUnderline, isGray;
1095                 NSNumber *underlineSizeObj =
1096                 (NSNumber *)[attributes objectForKey:NSUnderlineStyleAttributeName];
1097                 NSInteger underlineSize = [underlineSizeObj integerValue];
1098                 isThickUnderline = (underlineSize > 1);
1099 
1100                 NSColor *underlineColorObj =
1101                 (NSColor *)[attributes objectForKey:NSUnderlineColorAttributeName];
1102                 isGray = !([underlineColorObj isEqual:[NSColor blackColor]]);
1103 
1104                 (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_addAttribute, isThickUnderline,
1105                        isGray, effectiveRange.location, effectiveRange.length);
1106                 CHECK_EXCEPTION();
1107             }
1108         }
1109     }
1110 
1111     DECLARE_METHOD(jm_selectPreviousGlyph, jc_CInputMethod, "selectPreviousGlyph", "()V");
1112     // We need to select the previous glyph so that it is overwritten.
1113     if (fPAHNeedsToSelect) {
1114         (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_selectPreviousGlyph);
1115          CHECK_EXCEPTION();
1116         fPAHNeedsToSelect = NO;
1117     }
1118 
1119     (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_dispatchText,
1120             selectionRange.location, selectionRange.length, JNI_FALSE);
1121          CHECK_EXCEPTION();
1122     // If the marked text is being cleared (zero-length string) don't handle the key event.
1123     if ([incomingString length] == 0) {
1124         fKeyEventsNeeded = NO;
1125     }
1126 }
1127 
1128 - (void) unmarkText
1129 {
1130 #ifdef IM_DEBUG
1131     fprintf(stderr, "AWTView InputMethod Selector Called : [unmarkText]\n");
1132 #endif // IM_DEBUG
1133 
1134     if (!fInputMethodLOCKABLE) {
1135         return;
1136     }
1137 
1138     // unmarkText cancels any input in progress and commits it to the text field.
1139     JNIEnv *env = [ThreadUtilities getJNIEnv];
1140     GET_CIM_CLASS();
1141     DECLARE_METHOD(jm_unmarkText, jc_CInputMethod, "unmarkText", "()V");
1142     (*env)->CallVoidMethod(env, fInputMethodLOCKABLE, jm_unmarkText);
1143     CHECK_EXCEPTION();
1144 }
1145 
1146 - (BOOL) hasMarkedText
1147 {
1148 #ifdef IM_DEBUG
1149     fprintf(stderr, "AWTView InputMethod Selector Called : [hasMarkedText]\n");
1150 #endif // IM_DEBUG
1151 
1152     if (!fInputMethodLOCKABLE) {
1153         return NO;
1154     }
1155 
1156     JNIEnv *env = [ThreadUtilities getJNIEnv];
1157     GET_CIM_CLASS_RETURN(NO);
1158     DECLARE_FIELD_RETURN(jf_fCurrentText, jc_CInputMethod, "fCurrentText", "Ljava/text/AttributedString;", NO);
1159     DECLARE_FIELD_RETURN(jf_fCurrentTextLength, jc_CInputMethod, "fCurrentTextLength", "I", NO);
1160     jobject currentText = (*env)->GetObjectField(env, fInputMethodLOCKABLE, jf_fCurrentText);
1161     CHECK_EXCEPTION();
1162 
1163     jint currentTextLength = (*env)->GetIntField(env, fInputMethodLOCKABLE, jf_fCurrentTextLength);
1164     CHECK_EXCEPTION();
1165 
1166     BOOL hasMarkedText = (currentText != NULL && currentTextLength > 0);
1167 
1168     if (currentText != NULL) {
1169         (*env)->DeleteLocalRef(env, currentText);
1170     }
1171 
1172     return hasMarkedText;
1173 }
1174 
1175 - (NSInteger) conversationIdentifier
1176 {
1177 #ifdef IM_DEBUG
1178     fprintf(stderr, "AWTView InputMethod Selector Called : [conversationIdentifier]\n");
1179 #endif // IM_DEBUG
1180 
1181     return (NSInteger) self;
1182 }
1183 
1184 /* Returns attributed string at the range.  This allows input mangers to
1185  query any range in backing-store (Andy's request)
1186  */
1187 - (NSAttributedString *) attributedSubstringForProposedRange:(NSRange)theRange actualRange:(NSRangePointer)actualRange
1188 {
1189 #ifdef IM_DEBUG
1190     fprintf(stderr, "AWTView InputMethod Selector Called : [attributedSubstringFromRange] location=%lu, length=%lu\n", (unsigned long)theRange.location, (unsigned long)theRange.length);
1191 #endif // IM_DEBUG
1192 
1193     JNIEnv *env = [ThreadUtilities getJNIEnv];
1194     DECLARE_METHOD_RETURN(jm_substringFromRange, jc_CInputMethod, "attributedSubstringFromRange", "(II)Ljava/lang/String;", nil);
1195     jobject theString = (*env)->CallObjectMethod(env, fInputMethodLOCKABLE, jm_substringFromRange, theRange.location, theRange.length);
1196     CHECK_EXCEPTION_NULL_RETURN(theString, nil);
1197 
1198     id result = [[[NSAttributedString alloc] initWithString:JavaStringToNSString(env, theString)] autorelease];
1199 #ifdef IM_DEBUG
1200     NSLog(@"attributedSubstringFromRange returning \"%@\"", result);
1201 #endif // IM_DEBUG
1202 
1203     (*env)->DeleteLocalRef(env, theString);
1204     return result;
1205 }
1206 
1207 /* This method returns the range for marked region.  If hasMarkedText == false,
1208  it'll return NSNotFound location & 0 length range.
1209  */
1210 - (NSRange) markedRange
1211 {
1212 
1213 #ifdef IM_DEBUG
1214     fprintf(stderr, "AWTView InputMethod Selector Called : [markedRange]\n");
1215 #endif // IM_DEBUG
1216 
1217     if (!fInputMethodLOCKABLE) {
1218         return NSMakeRange(NSNotFound, 0);
1219     }
1220 
1221     JNIEnv *env = [ThreadUtilities getJNIEnv];
1222     jarray array;
1223     jboolean isCopy;
1224     jint *_array;
1225     NSRange range = NSMakeRange(NSNotFound, 0);
1226     GET_CIM_CLASS_RETURN(range);
1227     DECLARE_METHOD_RETURN(jm_markedRange, jc_CInputMethod, "markedRange", "()[I", range);
1228 
1229     array = (*env)->CallObjectMethod(env, fInputMethodLOCKABLE, jm_markedRange);
1230     CHECK_EXCEPTION();
1231 
1232     if (array) {
1233         _array = (*env)->GetIntArrayElements(env, array, &isCopy);
1234         if (_array != NULL) {
1235             range.location = _array[0];
1236             range.length = _array[1];
1237 #ifdef IM_DEBUG
1238             fprintf(stderr, "markedRange returning (%lu, %lu)\n",
1239                     (unsigned long)range.location, (unsigned long)range.length);
1240 #endif // IM_DEBUG
1241             (*env)->ReleaseIntArrayElements(env, array, _array, 0);
1242         }
1243         (*env)->DeleteLocalRef(env, array);
1244     }
1245 
1246     return range;
1247 }
1248 
1249 /* This method returns the range for selected region.  Just like markedRange method,
1250  its location field contains char index from the text beginning.
1251  */
1252 - (NSRange) selectedRange
1253 {
1254     if (!fInputMethodLOCKABLE) {
1255         return NSMakeRange(NSNotFound, 0);
1256     }
1257 
1258     JNIEnv *env = [ThreadUtilities getJNIEnv];
1259     jarray array;
1260     jboolean isCopy;
1261     jint *_array;
1262     NSRange range = NSMakeRange(NSNotFound, 0);
1263     GET_CIM_CLASS_RETURN(range);
1264     DECLARE_METHOD_RETURN(jm_selectedRange, jc_CInputMethod, "selectedRange", "()[I", range);
1265 
1266 #ifdef IM_DEBUG
1267     fprintf(stderr, "AWTView InputMethod Selector Called : [selectedRange]\n");
1268 #endif // IM_DEBUG
1269 
1270     array = (*env)->CallObjectMethod(env, fInputMethodLOCKABLE, jm_selectedRange);
1271     CHECK_EXCEPTION();
1272     if (array) {
1273         _array = (*env)->GetIntArrayElements(env, array, &isCopy);
1274         if (_array != NULL) {
1275             range.location = _array[0];
1276             range.length = _array[1];
1277             (*env)->ReleaseIntArrayElements(env, array, _array, 0);
1278         }
1279         (*env)->DeleteLocalRef(env, array);
1280     }
1281 
1282     return range;
1283 }
1284 
1285 /* This method returns the first frame of rects for theRange in screen coordindate system.
1286  */
1287 - (NSRect) firstRectForCharacterRange:(NSRange)theRange actualRange:(NSRangePointer)actualRange
1288 {
1289     if (!fInputMethodLOCKABLE) {
1290         return NSZeroRect;
1291     }
1292 
1293     JNIEnv *env = [ThreadUtilities getJNIEnv];
1294     GET_CIM_CLASS_RETURN(NSZeroRect);
1295     DECLARE_METHOD_RETURN(jm_firstRectForCharacterRange, jc_CInputMethod,
1296                             "firstRectForCharacterRange", "(I)[I", NSZeroRect);
1297     jarray array;
1298     jboolean isCopy;
1299     jint *_array;
1300     NSRect rect;
1301 
1302 #ifdef IM_DEBUG
1303     fprintf(stderr,
1304             "AWTView InputMethod Selector Called : [firstRectForCharacterRange:] location=%lu, length=%lu\n",
1305             (unsigned long)theRange.location, (unsigned long)theRange.length);
1306 #endif // IM_DEBUG
1307 
1308     array = (*env)->CallObjectMethod(env, fInputMethodLOCKABLE, jm_firstRectForCharacterRange,
1309                                 theRange.location);
1310     CHECK_EXCEPTION();
1311 
1312     _array = (*env)->GetIntArrayElements(env, array, &isCopy);
1313     if (_array) {
1314         rect = ConvertNSScreenRect(env, NSMakeRect(_array[0], _array[1], _array[2], _array[3]));
1315         (*env)->ReleaseIntArrayElements(env, array, _array, 0);
1316     } else {
1317         rect = NSZeroRect;
1318     }
1319     (*env)->DeleteLocalRef(env, array);
1320 
1321 #ifdef IM_DEBUG
1322     fprintf(stderr,
1323             "firstRectForCharacterRange returning x=%f, y=%f, width=%f, height=%f\n",
1324             rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
1325 #endif // IM_DEBUG
1326     return rect;
1327 }
1328 
1329 /* This method returns the index for character that is nearest to thePoint.  thPoint is in
1330  screen coordinate system.
1331  */
1332 - (NSUInteger)characterIndexForPoint:(NSPoint)thePoint
1333 {
1334     if (!fInputMethodLOCKABLE) {
1335         return NSNotFound;
1336     }
1337 
1338     JNIEnv *env = [ThreadUtilities getJNIEnv];
1339     GET_CIM_CLASS_RETURN(NSNotFound);
1340     DECLARE_METHOD_RETURN(jm_characterIndexForPoint, jc_CInputMethod,
1341                             "characterIndexForPoint", "(II)I", NSNotFound);
1342 
1343     NSPoint flippedLocation = ConvertNSScreenPoint(env, thePoint);
1344 
1345 #ifdef IM_DEBUG
1346     fprintf(stderr, "AWTView InputMethod Selector Called : [characterIndexForPoint:(NSPoint)thePoint] x=%f, y=%f\n", flippedLocation.x, flippedLocation.y);
1347 #endif // IM_DEBUG
1348 
1349     jint index = (*env)->CallIntMethod(env, fInputMethodLOCKABLE, jm_characterIndexForPoint,
1350                       (jint)flippedLocation.x, (jint)flippedLocation.y);
1351     CHECK_EXCEPTION();
1352 
1353 #ifdef IM_DEBUG
1354     fprintf(stderr, "characterIndexForPoint returning %d\n", index);
1355 #endif // IM_DEBUG
1356 
1357     if (index == -1) {
1358         return NSNotFound;
1359     } else {
1360         return (NSUInteger)index;
1361     }
1362 }
1363 
1364 - (NSArray*) validAttributesForMarkedText
1365 {
1366 #ifdef IM_DEBUG
1367     fprintf(stderr, "AWTView InputMethod Selector Called : [validAttributesForMarkedText]\n");
1368 #endif // IM_DEBUG
1369 
1370     return [NSArray array];
1371 }
1372 
1373 - (void)setInputMethod:(jobject)inputMethod
1374 {
1375 #ifdef IM_DEBUG
1376     fprintf(stderr, "AWTView InputMethod Selector Called : [setInputMethod]\n");
1377 #endif // IM_DEBUG
1378 
1379     JNIEnv *env = [ThreadUtilities getJNIEnv];
1380 
1381     // Get rid of the old one
1382     if (fInputMethodLOCKABLE) {
1383         (*env)->DeleteGlobalRef(env, fInputMethodLOCKABLE);
1384     }
1385 
1386     fInputMethodLOCKABLE = inputMethod; // input method arg must be a GlobalRef
1387 
1388     NSTextInputContext *curContxt = [NSTextInputContext currentInputContext];
1389     kbdLayout = curContxt.selectedKeyboardInputSource;
1390     [[NSNotificationCenter defaultCenter] addObserver:[AWTView class]
1391                                            selector:@selector(keyboardInputSourceChanged:)
1392                                                name:NSTextInputContextKeyboardSelectionDidChangeNotification
1393                                              object:nil];
1394 }
1395 
1396 - (void)abandonInput
1397 {
1398 #ifdef IM_DEBUG
1399     fprintf(stderr, "AWTView InputMethod Selector Called : [abandonInput]\n");
1400 #endif // IM_DEBUG
1401 
1402     [ThreadUtilities performOnMainThread:@selector(markedTextAbandoned:) on:[NSInputManager currentInputManager] withObject:self waitUntilDone:YES];
1403     [self unmarkText];
1404 }
1405 
1406 /********************************   END NSTextInputClient Protocol   ********************************/
1407 
1408 
1409 
1410 
1411 @end // AWTView
1412 
1413 /*
1414  * Class:     sun_lwawt_macosx_CPlatformView
1415  * Method:    nativeCreateView
1416  * Signature: (IIII)J
1417  */
1418 JNIEXPORT jlong JNICALL
1419 Java_sun_lwawt_macosx_CPlatformView_nativeCreateView
1420 (JNIEnv *env, jobject obj, jint originX, jint originY, jint width, jint height, jlong windowLayerPtr)
1421 {
1422     __block AWTView *newView = nil;
1423 
1424     JNI_COCOA_ENTER(env);
1425 
1426     NSRect rect = NSMakeRect(originX, originY, width, height);
1427     jobject cPlatformView = (*env)->NewWeakGlobalRef(env, obj);
1428     CHECK_EXCEPTION();
1429 
1430     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
1431 
1432         CALayer *windowLayer = jlong_to_ptr(windowLayerPtr);
1433         newView = [[AWTView alloc] initWithRect:rect
1434                                    platformView:cPlatformView
1435                                     windowLayer:windowLayer];
1436     }];
1437 
1438     JNI_COCOA_EXIT(env);
1439 
1440     return ptr_to_jlong(newView);
1441 }
1442 
1443 /*
1444  * Class:     sun_lwawt_macosx_CPlatformView
1445  * Method:    nativeSetAutoResizable
1446  * Signature: (JZ)V;
1447  */
1448 
1449 JNIEXPORT void JNICALL
1450 Java_sun_lwawt_macosx_CPlatformView_nativeSetAutoResizable
1451 (JNIEnv *env, jclass cls, jlong viewPtr, jboolean toResize)
1452 {
1453     JNI_COCOA_ENTER(env);
1454 
1455     NSView *view = (NSView *)jlong_to_ptr(viewPtr);
1456 
1457     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
1458 
1459         if (toResize) {
1460             [view setAutoresizingMask: NSViewHeightSizable | NSViewWidthSizable];
1461         } else {
1462             [view setAutoresizingMask: NSViewMinYMargin | NSViewMaxXMargin];
1463         }
1464 
1465         if ([view superview] != nil) {
1466             [[view superview] setAutoresizesSubviews:(BOOL)toResize];
1467         }
1468 
1469     }];
1470     JNI_COCOA_EXIT(env);
1471 }
1472 
1473 /*
1474  * Class:     sun_lwawt_macosx_CPlatformView
1475  * Method:    nativeGetNSViewDisplayID
1476  * Signature: (J)I;
1477  */
1478 
1479 JNIEXPORT jint JNICALL
1480 Java_sun_lwawt_macosx_CPlatformView_nativeGetNSViewDisplayID
1481 (JNIEnv *env, jclass cls, jlong viewPtr)
1482 {
1483     __block jint ret; //CGDirectDisplayID
1484 
1485     JNI_COCOA_ENTER(env);
1486 
1487     NSView *view = (NSView *)jlong_to_ptr(viewPtr);
1488     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
1489         NSWindow *window = [view window];
1490         ret = (jint)[[AWTWindow getNSWindowDisplayID_AppKitThread: window] intValue];
1491     }];
1492 
1493     JNI_COCOA_EXIT(env);
1494 
1495     return ret;
1496 }
1497 
1498 /*
1499  * Class:     sun_lwawt_macosx_CPlatformView
1500  * Method:    nativeGetLocationOnScreen
1501  * Signature: (J)Ljava/awt/Rectangle;
1502  */
1503 
1504 JNIEXPORT jobject JNICALL
1505 Java_sun_lwawt_macosx_CPlatformView_nativeGetLocationOnScreen
1506 (JNIEnv *env, jclass cls, jlong viewPtr)
1507 {
1508     jobject jRect = NULL;
1509 
1510     JNI_COCOA_ENTER(env);
1511 
1512     __block NSRect rect = NSZeroRect;
1513 
1514     NSView *view = (NSView *)jlong_to_ptr(viewPtr);
1515     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
1516 
1517         NSRect viewBounds = [view bounds];
1518         NSRect frameInWindow = [view convertRect:viewBounds toView:nil];
1519         rect = [[view window] convertRectToScreen:frameInWindow];
1520         //Convert coordinates to top-left corner origin
1521         rect = ConvertNSScreenRect(NULL, rect);
1522 
1523     }];
1524     jRect = NSToJavaRect(env, rect);
1525 
1526     JNI_COCOA_EXIT(env);
1527 
1528     return jRect;
1529 }
1530 
1531 /*
1532  * Class:     sun_lwawt_macosx_CPlatformView
1533  * Method:    nativeIsViewUnderMouse
1534  * Signature: (J)Z;
1535  */
1536 
1537 JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CPlatformView_nativeIsViewUnderMouse
1538 (JNIEnv *env, jclass clazz, jlong viewPtr)
1539 {
1540     __block jboolean underMouse = JNI_FALSE;
1541 
1542     JNI_COCOA_ENTER(env);
1543 
1544     NSView *nsView = OBJC(viewPtr);
1545     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
1546         NSPoint ptWindowCoords = [[nsView window] mouseLocationOutsideOfEventStream];
1547         NSPoint ptViewCoords = [nsView convertPoint:ptWindowCoords fromView:nil];
1548         underMouse = [nsView hitTest:ptViewCoords] != nil;
1549     }];
1550 
1551     JNI_COCOA_EXIT(env);
1552 
1553     return underMouse;
1554 }