axmol/cocos/2d/platform/mac/CCEventDispatcherMac.mm

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/****************************************************************************
Copyright (c) 2010 Ricardo Quesada
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2011 Zynga Inc.
Copyright (c) 2013-2014 Chukong Technologies Inc.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
// Only compile this code on Mac. These files should not be included on your iOS project.
// But in case they are included, it won't be compiled.
#import <Availability.h>
#import "CCEventDispatcherMac.h"
#import "ccConfig.h"
#include "utlist.h"
#include "CCDirector.h"
//NS_CC_BEGIN;
static CCEventDispatcher *sharedDispatcher = nil;
enum {
// mouse
kImplementsMouseDown = 1 << 0,
kImplementsMouseMoved = 1 << 1,
kImplementsMouseDragged = 1 << 2,
kImplementsMouseUp = 1 << 3,
kImplementsRightMouseDown = 1 << 4,
kImplementsRightMouseDragged = 1 << 5,
kImplementsRightMouseUp = 1 << 6,
kImplementsOtherMouseDown = 1 << 7,
kImplementsOtherMouseDragged = 1 << 8,
kImplementsOtherMouseUp = 1 << 9,
kImplementsScrollWheel = 1 << 10,
kImplementsMouseEntered = 1 << 11,
kImplementsMouseExited = 1 << 12,
kImplementsTouchesBegan = 1 << 13,
kImplementsTouchesMoved = 1 << 14,
kImplementsTouchesEnded = 1 << 15,
kImplementsTouchesCancelled = 1 << 16,
// keyboard
kImplementsKeyUp = 1 << 0,
kImplementsKeyDown = 1 << 1,
kImplementsFlagsChanged = 1 << 2,
};
typedef struct _listEntry
{
struct _listEntry *prev, *next;
id delegate;
NSInteger priority;
NSUInteger flags;
} tListEntry;
#if CC_DIRECTOR_MAC_USE_DISPLAY_LINK_THREAD
#define QUEUE_EVENT_MAX 128
struct _eventQueue {
SEL selector;
NSEvent *event;
};
static struct _eventQueue eventQueue[QUEUE_EVENT_MAX];
static int eventQueueCount;
#endif // CC_DIRECTOR_MAC_USE_DISPLAY_LINK_THREAD
@implementation CCEventDispatcher
@synthesize dispatchEvents=dispatchEvents_;
+(CCEventDispatcher*) sharedDispatcher
{
@synchronized(self) {
if (sharedDispatcher == nil)
sharedDispatcher = [[self alloc] init]; // assignment not done here
}
return sharedDispatcher;
}
+(id) allocWithZone:(NSZone *)zone
{
@synchronized(self) {
NSAssert(sharedDispatcher == nil, @"Attempted to allocate a second instance of a singleton.");
return [super allocWithZone:zone];
}
return nil; // on subsequent allocation attempts return nil
}
-(id) init
{
if( (self = [super init]) )
{
// events enabled by default
dispatchEvents_ = YES;
// delegates
keyboardDelegates_ = nullptr;
mouseDelegates_ = nullptr;
touchDelegates_ = nullptr;
#if CC_DIRECTOR_MAC_USE_DISPLAY_LINK_THREAD
eventQueueCount = 0;
#endif
}
return self;
}
- (void) dealloc
{
[super dealloc];
}
#pragma mark EventDispatcher - add / remove delegates
-(void) addDelegate:(id)delegate priority:(NSInteger)priority flags:(NSUInteger)flags list:(tListEntry**)list
{
tListEntry *listElement = (tListEntry *)malloc( sizeof(*listElement) );
listElement->delegate = [delegate retain];
listElement->priority = priority;
listElement->flags = flags;
listElement->next = listElement->prev = nullptr;
// empty list ?
if( ! *list ) {
DL_APPEND( *list, listElement );
} else {
BOOL added = NO;
for( tListEntry *elem = *list; elem ; elem = elem->next ) {
if( priority < elem->priority ) {
if( elem == *list )
DL_PREPEND(*list, listElement);
else {
listElement->next = elem;
listElement->prev = elem->prev;
elem->prev->next = listElement;
elem->prev = listElement;
}
added = YES;
break;
}
}
// Not added? priority has the higher value. Append it.
if( !added )
DL_APPEND(*list, listElement);
}
}
-(void) removeDelegate:(id)delegate fromList:(tListEntry**)list
{
tListEntry *entry, *tmp;
// updates with priority < 0
DL_FOREACH_SAFE( *list, entry, tmp ) {
if( entry->delegate == delegate ) {
DL_DELETE( *list, entry );
[delegate release];
free(entry);
break;
}
}
}
-(void) removeAllDelegatesFromList:(tListEntry**)list
{
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( *list, entry, tmp ) {
DL_DELETE( *list, entry );
free(entry);
}
}
-(void) addMouseDelegate:(id<CCMouseEventDelegate>) delegate priority:(NSInteger)priority
{
NSUInteger flags = 0;
flags |= ( [delegate respondsToSelector:@selector(ccMouseDown:)] ? kImplementsMouseDown : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccMouseDragged:)] ? kImplementsMouseDragged : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccMouseMoved:)] ? kImplementsMouseMoved : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccMouseUp:)] ? kImplementsMouseUp : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccRightMouseDown:)] ? kImplementsRightMouseDown : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccRightMouseDragged:)] ? kImplementsRightMouseDragged : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccRightMouseUp:)] ? kImplementsRightMouseUp : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccOtherMouseDown:)] ? kImplementsOtherMouseDown : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccOtherMouseDragged:)] ? kImplementsOtherMouseDragged : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccOtherMouseUp:)] ? kImplementsOtherMouseUp : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccMouseEntered:)] ? kImplementsMouseEntered : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccMouseExited:)] ? kImplementsMouseExited : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccScrollWheel:)] ? kImplementsScrollWheel : 0 );
[self addDelegate:delegate priority:priority flags:flags list:&mouseDelegates_];
}
-(void) removeMouseDelegate:(id) delegate
{
[self removeDelegate:delegate fromList:&mouseDelegates_];
}
-(void) removeAllMouseDelegates
{
[self removeAllDelegatesFromList:&mouseDelegates_];
}
-(void) addKeyboardDelegate:(id<CCKeyboardEventDelegate>) delegate priority:(NSInteger)priority
{
NSUInteger flags = 0;
flags |= ( [delegate respondsToSelector:@selector(ccKeyUp:)] ? kImplementsKeyUp : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccKeyDown:)] ? kImplementsKeyDown : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccFlagsChanged:)] ? kImplementsFlagsChanged : 0 );
[self addDelegate:delegate priority:priority flags:flags list:&keyboardDelegates_];
}
-(void) removeKeyboardDelegate:(id) delegate
{
[self removeDelegate:delegate fromList:&keyboardDelegates_];
}
-(void) removeAllKeyboardDelegates
{
[self removeAllDelegatesFromList:&keyboardDelegates_];
}
-(void) addTouchDelegate:(id<CCTouchEventDelegate>) delegate priority:(NSInteger)priority
{
NSUInteger flags = 0;
flags |= ( [delegate respondsToSelector:@selector(ccTouchesBeganWithEvent:)] ? kImplementsTouchesBegan : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccTouchesMovedWithEvent:)] ? kImplementsTouchesMoved : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccTouchesEndedWithEvent:)] ? kImplementsTouchesEnded : 0 );
flags |= ( [delegate respondsToSelector:@selector(ccTouchesCancelledWithEvent:)] ? kImplementsTouchesCancelled : 0 );
[self addDelegate:delegate priority:priority flags:flags list:&touchDelegates_];
}
-(void) removeTouchDelegate:(id) delegate
{
[self removeDelegate:delegate fromList:&touchDelegates_];
}
-(void) removeAllTouchDelegates
{
[self removeAllDelegatesFromList:&touchDelegates_];
}
#pragma mark EventDispatcher - Mouse events
//
// Mouse events
//
//
// Left
//
- (void)mouseDown:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsMouseDown ) {
void *swallows = [entry->delegate performSelector:@selector(ccMouseDown:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)mouseMoved:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsMouseMoved ) {
void *swallows = [entry->delegate performSelector:@selector(ccMouseMoved:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)mouseDragged:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsMouseDragged ) {
void *swallows = [entry->delegate performSelector:@selector(ccMouseDragged:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)mouseUp:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsMouseUp ) {
void *swallows = [entry->delegate performSelector:@selector(ccMouseUp:) withObject:event];
if( swallows )
break;
}
}
}
}
//
// Mouse Right
//
- (void)rightMouseDown:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsRightMouseDown ) {
void *swallows = [entry->delegate performSelector:@selector(ccRightMouseDown:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)rightMouseDragged:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsRightMouseDragged ) {
void *swallows = [entry->delegate performSelector:@selector(ccRightMouseDragged:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)rightMouseUp:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsRightMouseUp ) {
void *swallows = [entry->delegate performSelector:@selector(ccRightMouseUp:) withObject:event];
if( swallows )
break;
}
}
}
}
//
// Mouse Other
//
- (void)otherMouseDown:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsOtherMouseDown ) {
void *swallows = [entry->delegate performSelector:@selector(ccOtherMouseDown:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)otherMouseDragged:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsOtherMouseDragged ) {
void *swallows = [entry->delegate performSelector:@selector(ccOtherMouseDragged:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)otherMouseUp:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsOtherMouseUp ) {
void *swallows = [entry->delegate performSelector:@selector(ccOtherMouseUp:) withObject:event];
if( swallows )
break;
}
}
}
}
//
// Scroll Wheel
//
- (void)scrollWheel:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsScrollWheel ) {
void *swallows = [entry->delegate performSelector:@selector(ccScrollWheel:) withObject:event];
if( swallows )
break;
}
}
}
}
//
// Mouse enter / exit
- (void)mouseExited:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsMouseEntered ) {
void *swallows = [entry->delegate performSelector:@selector(ccMouseEntered:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)mouseEntered:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( mouseDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsMouseExited) {
void *swallows = [entry->delegate performSelector:@selector(ccMouseExited:) withObject:event];
if( swallows )
break;
}
}
}
}
#pragma mark EventDispatcher - Keyboard events
// Keyboard events
- (void)keyDown:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
// cocos2d::Director::getInstance()->getKeyboardDispatcher()->dispatchKeyboardEvent(event.keyCode, true);
DL_FOREACH_SAFE( keyboardDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsKeyDown ) {
void *swallows = [entry->delegate performSelector:@selector(ccKeyDown:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)keyUp:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
// cocos2d::Director::getInstance()->getKeyboardDispatcher()->dispatchKeyboardEvent(event.keyCode, false);
DL_FOREACH_SAFE( keyboardDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsKeyUp ) {
void *swallows = [entry->delegate performSelector:@selector(ccKeyUp:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)flagsChanged:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( keyboardDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsFlagsChanged ) {
void *swallows = [entry->delegate performSelector:@selector(ccFlagsChanged:) withObject:event];
if( swallows )
break;
}
}
}
}
#pragma mark EventDispatcher - Touch events
- (void)touchesBeganWithEvent:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( touchDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsTouchesBegan) {
void *swallows = [entry->delegate performSelector:@selector(ccTouchesBeganWithEvent:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)touchesMovedWithEvent:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( touchDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsTouchesMoved) {
void *swallows = [entry->delegate performSelector:@selector(ccTouchesMovedWithEvent:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)touchesEndedWithEvent:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( touchDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsTouchesEnded) {
void *swallows = [entry->delegate performSelector:@selector(ccTouchesEndedWithEvent:) withObject:event];
if( swallows )
break;
}
}
}
}
- (void)touchesCancelledWithEvent:(NSEvent *)event
{
if( dispatchEvents_ ) {
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( touchDelegates_, entry, tmp ) {
if ( entry->flags & kImplementsTouchesCancelled) {
void *swallows = [entry->delegate performSelector:@selector(ccTouchesCancelledWithEvent:) withObject:event];
if( swallows )
break;
}
}
}
}
#pragma mark EventDispatcher - queue events
#if CC_DIRECTOR_MAC_USE_DISPLAY_LINK_THREAD
-(void) queueEvent:(NSEvent*)event selector:(SEL)selector
{
NSAssert( eventQueueCount < QUEUE_EVENT_MAX, @"CCEventDispatcher: recompile. Increment QUEUE_EVENT_MAX value");
@synchronized (self) {
eventQueue[eventQueueCount].selector = selector;
eventQueue[eventQueueCount].event = [event copy];
eventQueueCount++;
}
}
-(void) dispatchQueuedEvents
{
@synchronized (self) {
for( int i=0; i < eventQueueCount; i++ ) {
SEL sel = eventQueue[i].selector;
NSEvent *event = eventQueue[i].event;
[self performSelector:sel withObject:event];
[event release];
}
eventQueueCount = 0;
}
}
#endif // CC_DIRECTOR_MAC_USE_DISPLAY_LINK_THREAD
//NS_CC_END;
@end