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Java example source code file (AWTView.m)
The AWTView.m Java example source code/* * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #import "CGLGraphicsConfig.h" #import <JavaNativeFoundation/JavaNativeFoundation.h> #import <JavaRuntimeSupport/JavaRuntimeSupport.h> #import "ThreadUtilities.h" #import "AWTView.h" #import "AWTEvent.h" #import "AWTWindow.h" #import "LWCToolkit.h" #import "JavaComponentAccessibility.h" #import "JavaTextAccessibility.h" #import "GeomUtilities.h" #import "OSVersion.h" #import "CGLLayer.h" @interface AWTView() @property (retain) CDropTarget *_dropTarget; @property (retain) CDragSource *_dragSource; @end // Uncomment this line to see fprintfs of each InputMethod API being called on this View //#define IM_DEBUG TRUE //#define EXTRA_DEBUG static BOOL shouldUsePressAndHold() { static int shouldUsePressAndHold = -1; if (shouldUsePressAndHold != -1) return shouldUsePressAndHold; shouldUsePressAndHold = !isSnowLeopardOrLower(); return shouldUsePressAndHold; } @implementation AWTView @synthesize _dropTarget; @synthesize _dragSource; @synthesize cglLayer; @synthesize mouseIsOver; // Note: Must be called on main (AppKit) thread only - (id) initWithRect: (NSRect) rect platformView: (jobject) cPlatformView windowLayer: (CALayer*) windowLayer { AWT_ASSERT_APPKIT_THREAD; // Initialize ourselves self = [super initWithFrame: rect]; if (self == nil) return self; m_cPlatformView = cPlatformView; fInputMethodLOCKABLE = NULL; fKeyEventsNeeded = NO; fProcessingKeystroke = NO; fEnablePressAndHold = shouldUsePressAndHold(); fInPressAndHold = NO; fPAHNeedsToSelect = NO; mouseIsOver = NO; [self resetTrackingArea]; [self setAutoresizesSubviews:NO]; if (windowLayer != nil) { self.cglLayer = windowLayer; //Layer hosting view [self setLayer: cglLayer]; [self setWantsLayer: YES]; //Layer backed view //[self.layer addSublayer: (CALayer *)cglLayer]; //[self setLayerContentsRedrawPolicy: NSViewLayerContentsRedrawDuringViewResize]; //[self setLayerContentsPlacement: NSViewLayerContentsPlacementTopLeft]; //[self setAutoresizingMask: NSViewHeightSizable | NSViewWidthSizable]; #ifdef REMOTELAYER CGLLayer *parentLayer = (CGLLayer*)self.cglLayer; parentLayer.parentLayer = NULL; parentLayer.remoteLayer = NULL; if (JRSRemotePort != 0 && remoteSocketFD > 0) { CGLLayer *remoteLayer = [[CGLLayer alloc] initWithJavaLayer: parentLayer.javaLayer]; remoteLayer.target = GL_TEXTURE_2D; NSLog(@"Creating Parent=%p, Remote=%p", parentLayer, remoteLayer); parentLayer.remoteLayer = remoteLayer; remoteLayer.parentLayer = parentLayer; remoteLayer.remoteLayer = NULL; remoteLayer.jrsRemoteLayer = [remoteLayer createRemoteLayerBoundTo:JRSRemotePort]; CFRetain(remoteLayer); // REMIND remoteLayer.frame = CGRectMake(0, 0, 720, 500); // REMIND CFRetain(remoteLayer.jrsRemoteLayer); // REMIND int layerID = [remoteLayer.jrsRemoteLayer layerID]; NSLog(@"layer id to send = %d", layerID); sendLayerID(layerID); } #endif /* REMOTELAYER */ } return self; } - (void) dealloc { AWT_ASSERT_APPKIT_THREAD; self.cglLayer = nil; JNIEnv *env = [ThreadUtilities getJNIEnvUncached]; (*env)->DeleteGlobalRef(env, m_cPlatformView); m_cPlatformView = NULL; if (fInputMethodLOCKABLE != NULL) { JNIEnv *env = [ThreadUtilities getJNIEnvUncached]; JNFDeleteGlobalRef(env, fInputMethodLOCKABLE); fInputMethodLOCKABLE = NULL; } [super dealloc]; } - (void) viewDidMoveToWindow { AWT_ASSERT_APPKIT_THREAD; [AWTToolkit eventCountPlusPlus]; [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^() { [[self window] makeFirstResponder: self]; }]; if ([self window] != NULL) { [self resetTrackingArea]; } } - (BOOL) acceptsFirstMouse: (NSEvent *)event { return YES; } - (BOOL) acceptsFirstResponder { return YES; } - (BOOL) becomeFirstResponder { return YES; } - (BOOL) preservesContentDuringLiveResize { return YES; } /* * Automatically triggered functions. */ - (void)resizeWithOldSuperviewSize:(NSSize)oldBoundsSize { [super resizeWithOldSuperviewSize: oldBoundsSize]; [self deliverResize: [self frame]]; } /* * MouseEvents support */ - (void) mouseDown: (NSEvent *)event { NSInputManager *inputManager = [NSInputManager currentInputManager]; if ([inputManager wantsToHandleMouseEvents]) { #if IM_DEBUG NSLog(@"-> IM wants to handle event"); #endif if (![inputManager handleMouseEvent:event]) { [self deliverJavaMouseEvent: event]; } else { #if IM_DEBUG NSLog(@"-> Event was handled."); #endif } } else { #if IM_DEBUG NSLog(@"-> IM does not want to handle event"); #endif [self deliverJavaMouseEvent: event]; } } - (void) mouseUp: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) rightMouseDown: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) rightMouseUp: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) otherMouseDown: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) otherMouseUp: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) mouseMoved: (NSEvent *)event { // TODO: better way to redirect move events to the "under" view NSPoint eventLocation = [event locationInWindow]; NSPoint localPoint = [self convertPoint: eventLocation fromView: nil]; if ([self mouse: localPoint inRect: [self bounds]]) { [self deliverJavaMouseEvent: event]; } else { [[self nextResponder] mouseDown:event]; } } - (void) mouseDragged: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) rightMouseDragged: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) otherMouseDragged: (NSEvent *)event { [self deliverJavaMouseEvent: event]; } - (void) mouseEntered: (NSEvent *)event { [[self window] setAcceptsMouseMovedEvents:YES]; //[[self window] makeFirstResponder:self]; [self deliverJavaMouseEvent: event]; } - (void) mouseExited: (NSEvent *)event { [[self window] setAcceptsMouseMovedEvents:NO]; [self deliverJavaMouseEvent: event]; //Restore the cursor back. //[CCursorManager _setCursor: [NSCursor arrowCursor]]; } - (void) scrollWheel: (NSEvent*) event { [self deliverJavaMouseEvent: event]; } /* * KeyEvents support */ - (void) keyDown: (NSEvent *)event { fProcessingKeystroke = YES; fKeyEventsNeeded = YES; // Allow TSM to look at the event and potentially send back NSTextInputClient messages. [self interpretKeyEvents:[NSArray arrayWithObject:event]]; if (fEnablePressAndHold && [event willBeHandledByComplexInputMethod]) { fProcessingKeystroke = NO; if (!fInPressAndHold) { fInPressAndHold = YES; fPAHNeedsToSelect = YES; } return; } NSString *eventCharacters = [event characters]; BOOL isDeadKey = (eventCharacters != nil && [eventCharacters length] == 0); if ((![self hasMarkedText] && fKeyEventsNeeded) || isDeadKey) { [self deliverJavaKeyEventHelper: event]; } fProcessingKeystroke = NO; } - (void) keyUp: (NSEvent *)event { [self deliverJavaKeyEventHelper: event]; } - (void) flagsChanged: (NSEvent *)event { [self deliverJavaKeyEventHelper: event]; } - (BOOL) performKeyEquivalent: (NSEvent *) event { [self deliverJavaKeyEventHelper: event]; // Workaround for 8020209: special case for "Cmd =" and "Cmd ." // because Cocoa calls performKeyEquivalent twice for these keystrokes NSUInteger modFlags = [event modifierFlags] & (NSCommandKeyMask | NSAlternateKeyMask | NSShiftKeyMask | NSControlKeyMask); if (modFlags == NSCommandKeyMask) { NSString *eventChars = [event charactersIgnoringModifiers]; if ([eventChars length] == 1) { unichar ch = [eventChars characterAtIndex:0]; if (ch == '=' || ch == '.') { [[NSApp mainMenu] performKeyEquivalent: event]; return YES; } } } return NO; } /** * Utility methods and accessors */ -(void) deliverJavaMouseEvent: (NSEvent *) event { BOOL isEnabled = YES; NSWindow* window = [self window]; if ([window isKindOfClass: [AWTWindow_Panel class]] || [window isKindOfClass: [AWTWindow_Normal class]]) { isEnabled = [(AWTWindow*)[window delegate] isEnabled]; } if (!isEnabled) { return; } NSEventType type = [event type]; // check synthesized mouse entered/exited events if ((type == NSMouseEntered && mouseIsOver) || (type == NSMouseExited && !mouseIsOver)) { return; }else if ((type == NSMouseEntered && !mouseIsOver) || (type == NSMouseExited && mouseIsOver)) { mouseIsOver = !mouseIsOver; } [AWTToolkit eventCountPlusPlus]; JNIEnv *env = [ThreadUtilities getJNIEnv]; NSPoint eventLocation = [event locationInWindow]; NSPoint localPoint = [self convertPoint: eventLocation fromView: nil]; NSPoint absP = [NSEvent mouseLocation]; // Convert global numbers between Cocoa's coordinate system and Java. // TODO: need consitent way for doing that both with global as well as with local coordinates. // The reason to do it here is one more native method for getting screen dimension otherwise. NSRect screenRect = [[NSScreen mainScreen] frame]; absP.y = screenRect.size.height - absP.y; jint clickCount; if (type == NSMouseEntered || type == NSMouseExited || type == NSScrollWheel || type == NSMouseMoved) { clickCount = 0; } else { clickCount = [event clickCount]; } static JNF_CLASS_CACHE(jc_NSEvent, "sun/lwawt/macosx/event/NSEvent"); static JNF_CTOR_CACHE(jctor_NSEvent, jc_NSEvent, "(IIIIIIIIDD)V"); jobject jEvent = JNFNewObject(env, jctor_NSEvent, [event type], [event modifierFlags], clickCount, [event buttonNumber], (jint)localPoint.x, (jint)localPoint.y, (jint)absP.x, (jint)absP.y, [event deltaY], [event deltaX]); if (jEvent == nil) { // Unable to create event by some reason. return; } static JNF_CLASS_CACHE(jc_PlatformView, "sun/lwawt/macosx/CPlatformView"); static JNF_MEMBER_CACHE(jm_deliverMouseEvent, jc_PlatformView, "deliverMouseEvent", "(Lsun/lwawt/macosx/event/NSEvent;)V"); JNFCallVoidMethod(env, m_cPlatformView, jm_deliverMouseEvent, jEvent); } - (void) resetTrackingArea { if (rolloverTrackingArea != nil) { [self removeTrackingArea:rolloverTrackingArea]; [rolloverTrackingArea release]; } int options = (NSTrackingActiveAlways | NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved | NSTrackingEnabledDuringMouseDrag); rolloverTrackingArea = [[NSTrackingArea alloc] initWithRect:[self visibleRect] options: options owner:self userInfo:nil ]; [self addTrackingArea:rolloverTrackingArea]; } - (void)updateTrackingAreas { [super updateTrackingAreas]; [self resetTrackingArea]; } - (void) resetCursorRects { [super resetCursorRects]; [self resetTrackingArea]; } -(void) deliverJavaKeyEventHelper: (NSEvent *) event { static NSEvent* sLastKeyEvent = nil; if (event == sLastKeyEvent) { // The event is repeatedly delivered by keyDown: after performKeyEquivalent: return; } [sLastKeyEvent release]; sLastKeyEvent = [event retain]; [AWTToolkit eventCountPlusPlus]; JNIEnv *env = [ThreadUtilities getJNIEnv]; jstring characters = NULL; if ([event type] != NSFlagsChanged) { characters = JNFNSToJavaString(env, [event characters]); } static JNF_CLASS_CACHE(jc_NSEvent, "sun/lwawt/macosx/event/NSEvent"); static JNF_CTOR_CACHE(jctor_NSEvent, jc_NSEvent, "(IISLjava/lang/String;)V"); jobject jevent = JNFNewObject(env, jctor_NSEvent, [event type], [event modifierFlags], [event keyCode], characters); static JNF_CLASS_CACHE(jc_PlatformView, "sun/lwawt/macosx/CPlatformView"); static JNF_MEMBER_CACHE(jm_deliverKeyEvent, jc_PlatformView, "deliverKeyEvent", "(Lsun/lwawt/macosx/event/NSEvent;)V"); JNFCallVoidMethod(env, m_cPlatformView, jm_deliverKeyEvent, jevent); if (characters != NULL) { (*env)->DeleteLocalRef(env, characters); } } -(void) deliverResize: (NSRect) rect { jint x = (jint) rect.origin.x; jint y = (jint) rect.origin.y; jint w = (jint) rect.size.width; jint h = (jint) rect.size.height; JNIEnv *env = [ThreadUtilities getJNIEnv]; static JNF_CLASS_CACHE(jc_PlatformView, "sun/lwawt/macosx/CPlatformView"); static JNF_MEMBER_CACHE(jm_deliverResize, jc_PlatformView, "deliverResize", "(IIII)V"); JNFCallVoidMethod(env, m_cPlatformView, jm_deliverResize, x,y,w,h); } - (void) drawRect:(NSRect)dirtyRect { AWT_ASSERT_APPKIT_THREAD; [super drawRect:dirtyRect]; JNIEnv *env = [ThreadUtilities getJNIEnv]; if (env != NULL) { /* if ([self inLiveResize]) { NSRect rs[4]; NSInteger count; [self getRectsExposedDuringLiveResize:rs count:&count]; for (int i = 0; i < count; i++) { JNU_CallMethodByName(env, NULL, [m_awtWindow cPlatformView], "deliverWindowDidExposeEvent", "(FFFF)V", (jfloat)rs[i].origin.x, (jfloat)rs[i].origin.y, (jfloat)rs[i].size.width, (jfloat)rs[i].size.height); if ((*env)->ExceptionOccurred(env)) { (*env)->ExceptionDescribe(env); (*env)->ExceptionClear(env); } } } else { */ static JNF_CLASS_CACHE(jc_CPlatformView, "sun/lwawt/macosx/CPlatformView"); static JNF_MEMBER_CACHE(jm_deliverWindowDidExposeEvent, jc_CPlatformView, "deliverWindowDidExposeEvent", "()V"); JNFCallVoidMethod(env, m_cPlatformView, jm_deliverWindowDidExposeEvent); /* } */ } } // NSAccessibility support - (jobject)awtComponent:(JNIEnv*)env { static JNF_CLASS_CACHE(jc_CPlatformView, "sun/lwawt/macosx/CPlatformView"); static JNF_MEMBER_CACHE(jf_Peer, jc_CPlatformView, "peer", "Lsun/lwawt/LWWindowPeer;"); if ((env == NULL) || (m_cPlatformView == NULL)) { NSLog(@"Apple AWT : Error AWTView:awtComponent given bad parameters."); if (env != NULL) { JNFDumpJavaStack(env); } return NULL; } jobject peer = JNFGetObjectField(env, m_cPlatformView, jf_Peer); static JNF_CLASS_CACHE(jc_LWWindowPeer, "sun/lwawt/LWWindowPeer"); static JNF_MEMBER_CACHE(jf_Target, jc_LWWindowPeer, "target", "Ljava/awt/Component;"); if (peer == NULL) { NSLog(@"Apple AWT : Error AWTView:awtComponent got null peer from CPlatformView"); JNFDumpJavaStack(env); return NULL; } return JNFGetObjectField(env, peer, jf_Target); } - (id)getAxData:(JNIEnv*)env { return [[[JavaComponentAccessibility alloc] initWithParent:self withEnv:env withAccessible:[self awtComponent:env] withIndex:-1 withView:self withJavaRole:nil] autorelease]; } - (NSArray *)accessibilityAttributeNames { return [[super accessibilityAttributeNames] arrayByAddingObject:NSAccessibilityChildrenAttribute]; } // NSAccessibility messages // attribute methods - (id)accessibilityAttributeValue:(NSString *)attribute { AWT_ASSERT_APPKIT_THREAD; if ([attribute isEqualToString:NSAccessibilityChildrenAttribute]) { JNIEnv *env = [ThreadUtilities getJNIEnv]; (*env)->PushLocalFrame(env, 4); id result = NSAccessibilityUnignoredChildrenForOnlyChild([self getAxData:env]); (*env)->PopLocalFrame(env, NULL); return result; } else { return [super accessibilityAttributeValue:attribute]; } } - (BOOL)accessibilityIsIgnored { return YES; } - (id)accessibilityHitTest:(NSPoint)point { AWT_ASSERT_APPKIT_THREAD; JNIEnv *env = [ThreadUtilities getJNIEnv]; (*env)->PushLocalFrame(env, 4); id result = [[self getAxData:env] accessibilityHitTest:point withEnv:env]; (*env)->PopLocalFrame(env, NULL); return result; } - (id)accessibilityFocusedUIElement { AWT_ASSERT_APPKIT_THREAD; JNIEnv *env = [ThreadUtilities getJNIEnv]; (*env)->PushLocalFrame(env, 4); id result = [[self getAxData:env] accessibilityFocusedUIElement]; (*env)->PopLocalFrame(env, NULL); return result; } // --- Services menu support for lightweights --- // finds the focused accessible element, and if it is a text element, obtains the text from it - (NSString *)accessibleSelectedText { id focused = [self accessibilityFocusedUIElement]; if (![focused isKindOfClass:[JavaTextAccessibility class]]) return nil; return [(JavaTextAccessibility *)focused accessibilitySelectedTextAttribute]; } // same as above, but converts to RTFD - (NSData *)accessibleSelectedTextAsRTFD { NSString *selectedText = [self accessibleSelectedText]; NSAttributedString *styledText = [[NSAttributedString alloc] initWithString:selectedText]; NSData *rtfdData = [styledText RTFDFromRange:NSMakeRange(0, [styledText length]) documentAttributes:nil]; [styledText release]; return rtfdData; } // finds the focused accessible element, and if it is a text element, sets the text in it - (BOOL)replaceAccessibleTextSelection:(NSString *)text { id focused = [self accessibilityFocusedUIElement]; if (![focused isKindOfClass:[JavaTextAccessibility class]]) return NO; [(JavaTextAccessibility *)focused accessibilitySetSelectedTextAttribute:text]; return YES; } // called for each service in the Services menu - only handle text for now - (id)validRequestorForSendType:(NSString *)sendType returnType:(NSString *)returnType { if ([[self window] firstResponder] != self) return nil; // let AWT components handle themselves if ([sendType isEqual:NSStringPboardType] || [returnType isEqual:NSStringPboardType]) { NSString *selectedText = [self accessibleSelectedText]; if (selectedText) return self; } return nil; } // fetch text from Java and hand off to the service - (BOOL)writeSelectionToPasteboard:(NSPasteboard *)pboard types:(NSArray *)types { if ([types containsObject:NSStringPboardType]) { [pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil]; return [pboard setString:[self accessibleSelectedText] forType:NSStringPboardType]; } if ([types containsObject:NSRTFDPboardType]) { [pboard declareTypes:[NSArray arrayWithObject:NSRTFDPboardType] owner:nil]; return [pboard setData:[self accessibleSelectedTextAsRTFD] forType:NSRTFDPboardType]; } return NO; } // write text back to Java from the service - (BOOL)readSelectionFromPasteboard:(NSPasteboard *)pboard { if ([[pboard types] containsObject:NSStringPboardType]) { NSString *text = [pboard stringForType:NSStringPboardType]; return [self replaceAccessibleTextSelection:text]; } if ([[pboard types] containsObject:NSRTFDPboardType]) { NSData *rtfdData = [pboard dataForType:NSRTFDPboardType]; NSAttributedString *styledText = [[NSAttributedString alloc] initWithRTFD:rtfdData documentAttributes:nil]; NSString *text = [styledText string]; [styledText release]; return [self replaceAccessibleTextSelection:text]; } return NO; } -(void) setDragSource:(CDragSource *)source { self._dragSource = source; } - (void) setDropTarget:(CDropTarget *)target { self._dropTarget = target; [ThreadUtilities performOnMainThread:@selector(controlModelControlValid) on:self._dropTarget withObject:nil waitUntilDone:YES]; } /******************************** BEGIN NSDraggingSource Interface ********************************/ - (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)flag { // If draggingSource is nil route the message to the superclass (if responding to the selector): CDragSource *dragSource = self._dragSource; NSDragOperation dragOp = NSDragOperationNone; if (dragSource != nil) dragOp = [dragSource draggingSourceOperationMaskForLocal:flag]; else if ([super respondsToSelector:@selector(draggingSourceOperationMaskForLocal:)]) dragOp = [super draggingSourceOperationMaskForLocal:flag]; return dragOp; } - (NSArray *)namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination { // If draggingSource is nil route the message to the superclass (if responding to the selector): CDragSource *dragSource = self._dragSource; NSArray* array = nil; if (dragSource != nil) array = [dragSource namesOfPromisedFilesDroppedAtDestination:dropDestination]; else if ([super respondsToSelector:@selector(namesOfPromisedFilesDroppedAtDestination:)]) array = [super namesOfPromisedFilesDroppedAtDestination:dropDestination]; return array; } - (void)draggedImage:(NSImage *)image beganAt:(NSPoint)screenPoint { // If draggingSource is nil route the message to the superclass (if responding to the selector): CDragSource *dragSource = self._dragSource; if (dragSource != nil) [dragSource draggedImage:image beganAt:screenPoint]; else if ([super respondsToSelector:@selector(draggedImage::)]) [super draggedImage:image beganAt:screenPoint]; } - (void)draggedImage:(NSImage *)image endedAt:(NSPoint)screenPoint operation:(NSDragOperation)operation { // If draggingSource is nil route the message to the superclass (if responding to the selector): CDragSource *dragSource = self._dragSource; if (dragSource != nil) [dragSource draggedImage:image endedAt:screenPoint operation:operation]; else if ([super respondsToSelector:@selector(draggedImage:::)]) [super draggedImage:image endedAt:screenPoint operation:operation]; } - (void)draggedImage:(NSImage *)image movedTo:(NSPoint)screenPoint { // If draggingSource is nil route the message to the superclass (if responding to the selector): CDragSource *dragSource = self._dragSource; if (dragSource != nil) [dragSource draggedImage:image movedTo:screenPoint]; else if ([super respondsToSelector:@selector(draggedImage::)]) [super draggedImage:image movedTo:screenPoint]; } - (BOOL)ignoreModifierKeysWhileDragging { // If draggingSource is nil route the message to the superclass (if responding to the selector): CDragSource *dragSource = self._dragSource; BOOL result = FALSE; if (dragSource != nil) result = [dragSource ignoreModifierKeysWhileDragging]; else if ([super respondsToSelector:@selector(ignoreModifierKeysWhileDragging)]) result = [super ignoreModifierKeysWhileDragging]; return result; } /******************************** END NSDraggingSource Interface ********************************/ /******************************** BEGIN NSDraggingDestination Interface ********************************/ - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; NSDragOperation dragOp = NSDragOperationNone; if (dropTarget != nil) dragOp = [dropTarget draggingEntered:sender]; else if ([super respondsToSelector:@selector(draggingEntered:)]) dragOp = [super draggingEntered:sender]; return dragOp; } - (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; NSDragOperation dragOp = NSDragOperationNone; if (dropTarget != nil) dragOp = [dropTarget draggingUpdated:sender]; else if ([super respondsToSelector:@selector(draggingUpdated:)]) dragOp = [super draggingUpdated:sender]; return dragOp; } - (void)draggingExited:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; if (dropTarget != nil) [dropTarget draggingExited:sender]; else if ([super respondsToSelector:@selector(draggingExited:)]) [super draggingExited:sender]; } - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; BOOL result = FALSE; if (dropTarget != nil) result = [dropTarget prepareForDragOperation:sender]; else if ([super respondsToSelector:@selector(prepareForDragOperation:)]) result = [super prepareForDragOperation:sender]; return result; } - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; BOOL result = FALSE; if (dropTarget != nil) result = [dropTarget performDragOperation:sender]; else if ([super respondsToSelector:@selector(performDragOperation:)]) result = [super performDragOperation:sender]; return result; } - (void)concludeDragOperation:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; if (dropTarget != nil) [dropTarget concludeDragOperation:sender]; else if ([super respondsToSelector:@selector(concludeDragOperation:)]) [super concludeDragOperation:sender]; } - (void)draggingEnded:(id <NSDraggingInfo>)sender { // If draggingDestination is nil route the message to the superclass: CDropTarget *dropTarget = self._dropTarget; if (dropTarget != nil) [dropTarget draggingEnded:sender]; else if ([super respondsToSelector:@selector(draggingEnded:)]) [super draggingEnded:sender]; } /******************************** END NSDraggingDestination Interface ********************************/ /******************************** BEGIN NSTextInputClient Protocol ********************************/ JNF_CLASS_CACHE(jc_CInputMethod, "sun/lwawt/macosx/CInputMethod"); - (void) insertText:(id)aString replacementRange:(NSRange)replacementRange { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [insertText]: %s\n", [aString UTF8String]); #endif // IM_DEBUG if (fInputMethodLOCKABLE == NULL) { return; } // Insert happens at the end of PAH fInPressAndHold = NO; // insertText gets called when the user commits text generated from an input method. It also gets // called during ordinary input as well. We only need to send an input method event when we have marked // text, or 'text in progress'. We also need to send the event if we get an insert text out of the blue! // (i.e., when the user uses the Character palette or Inkwell), or when the string to insert is a complex // Unicode value. NSUInteger utf8Length = [aString lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; if ([self hasMarkedText] || !fProcessingKeystroke || (utf8Length > 1)) { JNIEnv *env = [ThreadUtilities getJNIEnv]; static JNF_MEMBER_CACHE(jm_selectPreviousGlyph, jc_CInputMethod, "selectPreviousGlyph", "()V"); // We need to select the previous glyph so that it is overwritten. if (fPAHNeedsToSelect) { JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_selectPreviousGlyph); fPAHNeedsToSelect = NO; } static JNF_MEMBER_CACHE(jm_insertText, jc_CInputMethod, "insertText", "(Ljava/lang/String;)V"); jstring insertedText = JNFNSToJavaString(env, aString); JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_insertText, insertedText); // AWT_THREADING Safe (AWTRunLoopMode) (*env)->DeleteLocalRef(env, insertedText); // The input method event will create psuedo-key events for each character in the committed string. // We also don't want to send the character that triggered the insertText, usually a return. [3337563] fKeyEventsNeeded = NO; } fPAHNeedsToSelect = NO; } - (void) doCommandBySelector:(SEL)aSelector { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [doCommandBySelector]\n"); NSLog(@"%@", NSStringFromSelector(aSelector)); #endif // IM_DEBUG if (@selector(insertNewline:) == aSelector || @selector(insertTab:) == aSelector || @selector(deleteBackward:) == aSelector) { fKeyEventsNeeded = YES; } } // setMarkedText: cannot take a nil first argument. aString can be NSString or NSAttributedString - (void) setMarkedText:(id)aString selectedRange:(NSRange)selectionRange replacementRange:(NSRange)replacementRange { if (!fInputMethodLOCKABLE) return; BOOL isAttributedString = [aString isKindOfClass:[NSAttributedString class]]; NSAttributedString *attrString = (isAttributedString ? (NSAttributedString *)aString : nil); NSString *incomingString = (isAttributedString ? [aString string] : aString); #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [setMarkedText] \"%s\", loc=%lu, length=%lu\n", [incomingString UTF8String], (unsigned long)selectionRange.location, (unsigned long)selectionRange.length); #endif // IM_DEBUG static JNF_MEMBER_CACHE(jm_startIMUpdate, jc_CInputMethod, "startIMUpdate", "(Ljava/lang/String;)V"); static JNF_MEMBER_CACHE(jm_addAttribute, jc_CInputMethod, "addAttribute", "(ZZII)V"); static JNF_MEMBER_CACHE(jm_dispatchText, jc_CInputMethod, "dispatchText", "(IIZ)V"); JNIEnv *env = [ThreadUtilities getJNIEnv]; // NSInputContext already did the analysis of the TSM event and created attributes indicating // the underlining and color that should be done to the string. We need to look at the underline // style and color to determine what kind of Java hilighting needs to be done. jstring inProcessText = JNFNSToJavaString(env, incomingString); JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_startIMUpdate, inProcessText); // AWT_THREADING Safe (AWTRunLoopMode) (*env)->DeleteLocalRef(env, inProcessText); if (isAttributedString) { NSUInteger length; NSRange effectiveRange; NSDictionary *attributes; length = [attrString length]; effectiveRange = NSMakeRange(0, 0); while (NSMaxRange(effectiveRange) < length) { attributes = [attrString attributesAtIndex:NSMaxRange(effectiveRange) effectiveRange:&effectiveRange]; if (attributes) { BOOL isThickUnderline, isGray; NSNumber *underlineSizeObj = (NSNumber *)[attributes objectForKey:NSUnderlineStyleAttributeName]; NSInteger underlineSize = [underlineSizeObj integerValue]; isThickUnderline = (underlineSize > 1); NSColor *underlineColorObj = (NSColor *)[attributes objectForKey:NSUnderlineColorAttributeName]; isGray = !([underlineColorObj isEqual:[NSColor blackColor]]); JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_addAttribute, isThickUnderline, isGray, effectiveRange.location, effectiveRange.length); // AWT_THREADING Safe (AWTRunLoopMode) } } } static JNF_MEMBER_CACHE(jm_selectPreviousGlyph, jc_CInputMethod, "selectPreviousGlyph", "()V"); // We need to select the previous glyph so that it is overwritten. if (fPAHNeedsToSelect) { JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_selectPreviousGlyph); fPAHNeedsToSelect = NO; } JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_dispatchText, selectionRange.location, selectionRange.length, JNI_FALSE); // AWT_THREADING Safe (AWTRunLoopMode) // If the marked text is being cleared (zero-length string) don't handle the key event. if ([incomingString length] == 0) { fKeyEventsNeeded = NO; } } - (void) unmarkText { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [unmarkText]\n"); #endif // IM_DEBUG if (!fInputMethodLOCKABLE) { return; } // unmarkText cancels any input in progress and commits it to the text field. static JNF_MEMBER_CACHE(jm_unmarkText, jc_CInputMethod, "unmarkText", "()V"); JNIEnv *env = [ThreadUtilities getJNIEnv]; JNFCallVoidMethod(env, fInputMethodLOCKABLE, jm_unmarkText); // AWT_THREADING Safe (AWTRunLoopMode) } - (BOOL) hasMarkedText { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [hasMarkedText]\n"); #endif // IM_DEBUG if (!fInputMethodLOCKABLE) { return NO; } static JNF_MEMBER_CACHE(jf_fCurrentText, jc_CInputMethod, "fCurrentText", "Ljava/text/AttributedString;"); static JNF_MEMBER_CACHE(jf_fCurrentTextLength, jc_CInputMethod, "fCurrentTextLength", "I"); JNIEnv *env = [ThreadUtilities getJNIEnv]; jobject currentText = JNFGetObjectField(env, fInputMethodLOCKABLE, jf_fCurrentText); jint currentTextLength = JNFGetIntField(env, fInputMethodLOCKABLE, jf_fCurrentTextLength); BOOL hasMarkedText = (currentText != NULL && currentTextLength > 0); if (currentText != NULL) { (*env)->DeleteLocalRef(env, currentText); } return hasMarkedText; } - (NSInteger) conversationIdentifier { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [conversationIdentifier]\n"); #endif // IM_DEBUG return (NSInteger) self; } /* Returns attributed string at the range. This allows input mangers to query any range in backing-store (Andy's request) */ - (NSAttributedString *) attributedSubstringForProposedRange:(NSRange)theRange actualRange:(NSRangePointer)actualRange { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [attributedSubstringFromRange] location=%lu, length=%lu\n", (unsigned long)theRange.location, (unsigned long)theRange.length); #endif // IM_DEBUG static JNF_MEMBER_CACHE(jm_substringFromRange, jc_CInputMethod, "attributedSubstringFromRange", "(II)Ljava/lang/String;"); JNIEnv *env = [ThreadUtilities getJNIEnv]; jobject theString = JNFCallObjectMethod(env, fInputMethodLOCKABLE, jm_substringFromRange, theRange.location, theRange.length); // AWT_THREADING Safe (AWTRunLoopMode) id result = [[[NSAttributedString alloc] initWithString:JNFJavaToNSString(env, theString)] autorelease]; #ifdef IM_DEBUG NSLog(@"attributedSubstringFromRange returning \"%@\"", result); #endif // IM_DEBUG (*env)->DeleteLocalRef(env, theString); return result; } /* This method returns the range for marked region. If hasMarkedText == false, it'll return NSNotFound location & 0 length range. */ - (NSRange) markedRange { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [markedRange]\n"); #endif // IM_DEBUG if (!fInputMethodLOCKABLE) { return NSMakeRange(NSNotFound, 0); } static JNF_MEMBER_CACHE(jm_markedRange, jc_CInputMethod, "markedRange", "()[I"); JNIEnv *env = [ThreadUtilities getJNIEnv]; jarray array; jboolean isCopy; jint *_array; NSRange range; array = JNFCallObjectMethod(env, fInputMethodLOCKABLE, jm_markedRange); // AWT_THREADING Safe (AWTRunLoopMode) if (array) { _array = (*env)->GetIntArrayElements(env, array, &isCopy); range = NSMakeRange(_array[0], _array[1]); #ifdef IM_DEBUG fprintf(stderr, "markedRange returning (%lu, %lu)\n", (unsigned long)range.location, (unsigned long)range.length); #endif // IM_DEBUG (*env)->ReleaseIntArrayElements(env, array, _array, 0); (*env)->DeleteLocalRef(env, array); } else { range = NSMakeRange(NSNotFound, 0); } return range; } /* This method returns the range for selected region. Just like markedRange method, its location field contains char index from the text beginning. */ - (NSRange) selectedRange { if (!fInputMethodLOCKABLE) { return NSMakeRange(NSNotFound, 0); } static JNF_MEMBER_CACHE(jm_selectedRange, jc_CInputMethod, "selectedRange", "()[I"); JNIEnv *env = [ThreadUtilities getJNIEnv]; jarray array; jboolean isCopy; jint *_array; NSRange range; #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [selectedRange]\n"); #endif // IM_DEBUG array = JNFCallObjectMethod(env, fInputMethodLOCKABLE, jm_selectedRange); // AWT_THREADING Safe (AWTRunLoopMode) if (array) { _array = (*env)->GetIntArrayElements(env, array, &isCopy); range = NSMakeRange(_array[0], _array[1]); (*env)->ReleaseIntArrayElements(env, array, _array, 0); (*env)->DeleteLocalRef(env, array); } else { range = NSMakeRange(NSNotFound, 0); } return range; } /* This method returns the first frame of rects for theRange in screen coordindate system. */ - (NSRect) firstRectForCharacterRange:(NSRange)theRange actualRange:(NSRangePointer)actualRange { if (!fInputMethodLOCKABLE) { return NSMakeRect(0, 0, 0, 0); } static JNF_MEMBER_CACHE(jm_firstRectForCharacterRange, jc_CInputMethod, "firstRectForCharacterRange", "(I)[I"); JNIEnv *env = [ThreadUtilities getJNIEnv]; jarray array; jboolean isCopy; jint *_array; NSRect rect; #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [firstRectForCharacterRange:] location=%lu, length=%lu\n", (unsigned long)theRange.location, (unsigned long)theRange.length); #endif // IM_DEBUG array = JNFCallObjectMethod(env, fInputMethodLOCKABLE, jm_firstRectForCharacterRange, theRange.location); // AWT_THREADING Safe (AWTRunLoopMode) _array = (*env)->GetIntArrayElements(env, array, &isCopy); rect = ConvertNSScreenRect(env, NSMakeRect(_array[0], _array[1], _array[2], _array[3])); (*env)->ReleaseIntArrayElements(env, array, _array, 0); (*env)->DeleteLocalRef(env, array); #ifdef IM_DEBUG fprintf(stderr, "firstRectForCharacterRange returning x=%f, y=%f, width=%f, height=%f\n", rect.origin.x, rect.origin.y, rect.size.width, rect.size.height); #endif // IM_DEBUG return rect; } /* This method returns the index for character that is nearest to thePoint. thPoint is in screen coordinate system. */ - (NSUInteger)characterIndexForPoint:(NSPoint)thePoint { if (!fInputMethodLOCKABLE) { return NSNotFound; } static JNF_MEMBER_CACHE(jm_characterIndexForPoint, jc_CInputMethod, "characterIndexForPoint", "(II)I"); JNIEnv *env = [ThreadUtilities getJNIEnv]; NSPoint flippedLocation = ConvertNSScreenPoint(env, thePoint); #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [characterIndexForPoint:(NSPoint)thePoint] x=%f, y=%f\n", flippedLocation.x, flippedLocation.y); #endif // IM_DEBUG jint index = JNFCallIntMethod(env, fInputMethodLOCKABLE, jm_characterIndexForPoint, (jint)flippedLocation.x, (jint)flippedLocation.y); // AWT_THREADING Safe (AWTRunLoopMode) #ifdef IM_DEBUG fprintf(stderr, "characterIndexForPoint returning %ld\n", index); #endif // IM_DEBUG if (index == -1) { return NSNotFound; } else { return (NSUInteger)index; } } - (NSArray*) validAttributesForMarkedText { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [validAttributesForMarkedText]\n"); #endif // IM_DEBUG return [NSArray array]; } - (void)setInputMethod:(jobject)inputMethod { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [setInputMethod]\n"); #endif // IM_DEBUG JNIEnv *env = [ThreadUtilities getJNIEnv]; // Get rid of the old one if (fInputMethodLOCKABLE) { JNFDeleteGlobalRef(env, fInputMethodLOCKABLE); } // Save a global ref to the new input method. if (inputMethod != NULL) fInputMethodLOCKABLE = JNFNewGlobalRef(env, inputMethod); else fInputMethodLOCKABLE = NULL; } - (void)abandonInput { #ifdef IM_DEBUG fprintf(stderr, "AWTView InputMethod Selector Called : [abandonInput]\n"); #endif // IM_DEBUG [ThreadUtilities performOnMainThread:@selector(markedTextAbandoned:) on:[NSInputManager currentInputManager] withObject:self waitUntilDone:YES]; [self unmarkText]; } /******************************** END NSTextInputClient Protocol ********************************/ @end // AWTView /* * Class: sun_lwawt_macosx_CPlatformView * Method: nativeCreateView * Signature: (IIII)J */ JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CPlatformView_nativeCreateView (JNIEnv *env, jobject obj, jint originX, jint originY, jint width, jint height, jlong windowLayerPtr) { __block AWTView *newView = nil; JNF_COCOA_ENTER(env); NSRect rect = NSMakeRect(originX, originY, width, height); jobject cPlatformView = (*env)->NewGlobalRef(env, obj); [ThreadUtilities performOnMainThreadWaiting:YES block:^(){ CALayer *windowLayer = jlong_to_ptr(windowLayerPtr); AWTView *view = [[AWTView alloc] initWithRect:rect platformView:cPlatformView windowLayer:windowLayer]; CFRetain(view); [view release]; // GC newView = view; }]; JNF_COCOA_EXIT(env); return ptr_to_jlong(newView); } /* * Class: sun_lwawt_macosx_CPlatformView * Method: nativeSetAutoResizable * Signature: (JZ)V; */ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformView_nativeSetAutoResizable (JNIEnv *env, jclass cls, jlong viewPtr, jboolean toResize) { JNF_COCOA_ENTER(env); NSView *view = (NSView *)jlong_to_ptr(viewPtr); [ThreadUtilities performOnMainThreadWaiting:NO block:^(){ if (toResize) { [view setAutoresizingMask: NSViewHeightSizable | NSViewWidthSizable]; } else { [view setAutoresizingMask: NSViewMinYMargin | NSViewMaxXMargin]; } if ([view superview] != nil) { [[view superview] setAutoresizesSubviews:(BOOL)toResize]; } }]; JNF_COCOA_EXIT(env); } /* * Class: sun_lwawt_macosx_CPlatformView * Method: nativeGetNSViewDisplayID * Signature: (J)I; */ JNIEXPORT jint JNICALL Java_sun_lwawt_macosx_CPlatformView_nativeGetNSViewDisplayID (JNIEnv *env, jclass cls, jlong viewPtr) { __block jint ret; //CGDirectDisplayID JNF_COCOA_ENTER(env); NSView *view = (NSView *)jlong_to_ptr(viewPtr); NSWindow *window = [view window]; [ThreadUtilities performOnMainThreadWaiting:YES block:^(){ ret = (jint)[[AWTWindow getNSWindowDisplayID_AppKitThread: window] intValue]; }]; JNF_COCOA_EXIT(env); return ret; } /* * Class: sun_lwawt_macosx_CPlatformView * Method: nativeGetLocationOnScreen * Signature: (J)Ljava/awt/Rectangle; */ JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CPlatformView_nativeGetLocationOnScreen (JNIEnv *env, jclass cls, jlong viewPtr) { jobject jRect = NULL; JNF_COCOA_ENTER(env); __block NSRect rect = NSZeroRect; NSView *view = (NSView *)jlong_to_ptr(viewPtr); [ThreadUtilities performOnMainThreadWaiting:YES block:^(){ NSRect viewBounds = [view bounds]; NSRect frameInWindow = [view convertRect:viewBounds toView:nil]; rect = [[view window] convertRectToScreen:frameInWindow]; NSRect screenRect = [[NSScreen mainScreen] frame]; //Convert coordinates to top-left corner origin rect.origin.y = screenRect.size.height - rect.origin.y - viewBounds.size.height; }]; jRect = NSToJavaRect(env, rect); JNF_COCOA_EXIT(env); return jRect; } /* * Class: sun_lwawt_macosx_CPlatformView * Method: nativeIsViewUnderMouse * Signature: (J)Z; */ JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CPlatformView_nativeIsViewUnderMouse (JNIEnv *env, jclass clazz, jlong viewPtr) { __block jboolean underMouse = JNI_FALSE; JNF_COCOA_ENTER(env); NSView *nsView = OBJC(viewPtr); [ThreadUtilities performOnMainThreadWaiting:YES block:^(){ NSPoint ptWindowCoords = [[nsView window] mouseLocationOutsideOfEventStream]; NSPoint ptViewCoords = [nsView convertPoint:ptWindowCoords fromView:nil]; underMouse = [nsView hitTest:ptViewCoords] != nil; }]; JNF_COCOA_EXIT(env); return underMouse; } Other Java examples (source code examples)Here is a short list of links related to this Java AWTView.m source code file: |
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