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/*
* 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.
*/
#include "sun_lwawt_macosx_CCursorManager.h"
#include <Cocoa/Cocoa.h>
#include <JavaNativeFoundation/JavaNativeFoundation.h>
#include "GeomUtilities.h"
#include "ThreadUtilities.h"
#include "java_awt_Cursor.h"
static SEL lookupCursorSelectorForType(jint type) {
switch (type) {
case java_awt_Cursor_DEFAULT_CURSOR: return @selector(arrowCursor);
case java_awt_Cursor_CROSSHAIR_CURSOR: return @selector(crosshairCursor);
case java_awt_Cursor_TEXT_CURSOR: return @selector(IBeamCursor);
case java_awt_Cursor_WAIT_CURSOR: return @selector(javaBusyButClickableCursor);
case java_awt_Cursor_SW_RESIZE_CURSOR: return @selector(javaResizeSWCursor);
case java_awt_Cursor_SE_RESIZE_CURSOR: return @selector(javaResizeSECursor);
case java_awt_Cursor_NW_RESIZE_CURSOR: return @selector(javaResizeNWCursor);
case java_awt_Cursor_NE_RESIZE_CURSOR: return @selector(javaResizeNECursor);
case java_awt_Cursor_N_RESIZE_CURSOR: return @selector(resizeUpDownCursor);
case java_awt_Cursor_S_RESIZE_CURSOR: return @selector(resizeUpDownCursor);
case java_awt_Cursor_W_RESIZE_CURSOR: return @selector(resizeLeftRightCursor);
case java_awt_Cursor_E_RESIZE_CURSOR: return @selector(resizeLeftRightCursor);
case java_awt_Cursor_HAND_CURSOR: return @selector(pointingHandCursor);
case java_awt_Cursor_MOVE_CURSOR: return @selector(javaMoveCursor);
}
return nil;
}
static SEL lookupCursorSelectorForName(NSString *name) {
if ([@"DnD.Cursor.CopyDrop" isEqual:name]) return @selector(dragCopyCursor);
if ([@"DnD.Cursor.LinkDrop" isEqual:name]) return @selector(dragLinkCursor);
if ([@"DnD.Cursor.MoveDrop" isEqual:name]) return @selector(_genericDragCursor);
if ([@"DnD.Cursor.CopyNoDrop" isEqual:name]) return @selector(operationNotAllowedCursor);
if ([@"DnD.Cursor.LinkNoDrop" isEqual:name]) return @selector(operationNotAllowedCursor);
if ([@"DnD.Cursor.MoveNoDrop" isEqual:name]) return @selector(operationNotAllowedCursor);
return nil;
}
static void setCursorOnAppKitThread(NSCursor *cursor) {
[cursor set];
}
JNIEXPORT void JNICALL
Java_sun_lwawt_macosx_CCursorManager_nativeSetBuiltInCursor
(JNIEnv *env, jclass class, jint type, jstring name)
{
JNF_COCOA_ENTER(env);
NSString *cursorName = JNFJavaToNSString(env, name);
SEL cursorSelector = (type == sun_lwawt_macosx_CCursorManager_NAMED_CURSOR) ? lookupCursorSelectorForName(cursorName) : lookupCursorSelectorForType(type);
if (cursorSelector == nil) {
NSString *reason = [NSString stringWithFormat:@"unimplemented built-in cursor type: %d / %@", type, cursorName];
[JNFException raise:env as:kIllegalArgumentException reason:[reason UTF8String]];
}
if (![[NSCursor class] respondsToSelector:cursorSelector]) {
[JNFException raise:env as:kNoSuchMethodException reason:"missing NSCursor selector"];
}
[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
setCursorOnAppKitThread([[NSCursor class] performSelector:cursorSelector]);
}];
JNF_COCOA_EXIT(env);
}
JNIEXPORT void JNICALL
Java_sun_lwawt_macosx_CCursorManager_nativeSetCustomCursor
(JNIEnv *env, jclass class, jlong imgPtr, jdouble x, jdouble y)
{
JNF_COCOA_ENTER(env);
NSImage *image = (NSImage *)jlong_to_ptr(imgPtr);
[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
NSCursor *cursor = [[NSCursor alloc] initWithImage:image
hotSpot:(NSPoint){ x, y }];
setCursorOnAppKitThread(cursor);
[cursor release];
}];
JNF_COCOA_EXIT(env);
}
JNIEXPORT jobject JNICALL
Java_sun_lwawt_macosx_CCursorManager_nativeGetCursorPosition
(JNIEnv *env, jclass class)
{
jobject jpt = NULL;
JNF_COCOA_ENTER(env);
CGEventRef event = CGEventCreate(NULL);
CGPoint globalPos = CGEventGetLocation(event);
CFRelease(event);
jpt = NSToJavaPoint(env, globalPos);
JNF_COCOA_EXIT(env);
return jpt;
}
JNIEXPORT void JNICALL
Java_sun_lwawt_macosx_CCursorManager_nativeSetAllowsCursorSetInBackground
(JNIEnv *env, jclass class, jboolean allows)
{
JNF_COCOA_ENTER(env);
SEL allowsSetInBackground_SEL = @selector(javaSetAllowsCursorSetInBackground:);
if ([[NSCursor class] respondsToSelector:allowsSetInBackground_SEL]) {
[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
NSMethodSignature *allowsSetInBackground_sig =
[[NSCursor class] methodSignatureForSelector:allowsSetInBackground_SEL];
NSInvocation *invocation =
[NSInvocation invocationWithMethodSignature:allowsSetInBackground_sig];
BOOL arg = (BOOL)allows;
[invocation setSelector:allowsSetInBackground_SEL];
[invocation setArgument:&arg atIndex:2];
[invocation invokeWithTarget:[NSCursor class]];
}];
}
JNF_COCOA_EXIT(env);
}
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