Initial commit (version 0.2.1)

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+/*
+ * cocos2d for iPhone: http://www.cocos2d-iphone.org
+ *
+ * Copyright (c) 2008-2010 Ricardo Quesada
+ * Copyright (c) 2011 Zynga Inc.
+ * 
+ * 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.
+ *
+ */
+
+
+
+#import "CCMenu.h"
+#import "CCDirector.h"
+#import "Support/CGPointExtension.h"
+#import "ccMacros.h"
+
+#import <Availability.h>
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#import "Platforms/iOS/CCDirectorIOS.h"
+#import "Platforms/iOS/CCTouchDispatcher.h"
+#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
+#import "Platforms/Mac/MacGLView.h"
+#import "Platforms/Mac/CCDirectorMac.h"
+#endif
+
+enum {
+        kDefaultPadding =  5,
+};
+
+@implementation CCMenu
+
+@synthesize opacity = opacity_, color = color_;
+
+- (id) init
+{
+        NSAssert(NO, @"CCMenu: Init not supported.");
+        [self release];
+        return nil;     
+}
+
++(id) menuWithItems: (CCMenuItem*) item, ...
+{
+        va_list args;
+        va_start(args,item);
+        
+        id s = [[[self alloc] initWithItems: item vaList:args] autorelease];
+        
+        va_end(args);
+        return s;
+}
+
+-(id) initWithItems: (CCMenuItem*) item vaList: (va_list) args
+{
+        if( (self=[super init]) ) {
+
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+                self.isTouchEnabled = YES;
+#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
+                self.isMouseEnabled = YES;
+#endif
+                
+                // menu in the center of the screen
+                CGSize s = [[CCDirector sharedDirector] winSize];
+                
+                self.isRelativeAnchorPoint = NO;
+                anchorPoint_ = ccp(0.5f, 0.5f);
+                [self setContentSize:s];
+                
+                // XXX: in v0.7, winSize should return the visible size
+                // XXX: so the bar calculation should be done there
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+                CGRect r = [[UIApplication sharedApplication] statusBarFrame];
+                ccDeviceOrientation orientation = [[CCDirector sharedDirector] deviceOrientation];
+                if( orientation == CCDeviceOrientationLandscapeLeft || orientation == CCDeviceOrientationLandscapeRight )
+                        s.height -= r.size.width;
+                else
+                        s.height -= r.size.height;
+#endif
+                self.position = ccp(s.width/2, s.height/2);
+
+                int z=0;
+                
+                if (item) {
+                        [self addChild: item z:z];
+                        CCMenuItem *i = va_arg(args, CCMenuItem*);
+                        while(i) {
+                                z++;
+                                [self addChild: i z:z];
+                                i = va_arg(args, CCMenuItem*);
+                        }
+                }
+        //      [self alignItemsVertically];
+                
+                selectedItem_ = nil;
+                state_ = kCCMenuStateWaiting;
+        }
+        
+        return self;
+}
+
+-(void) dealloc
+{
+        [super dealloc];
+}
+
+/*
+ * override add:
+ */
+-(void) addChild:(CCMenuItem*)child z:(NSInteger)z tag:(NSInteger) aTag
+{
+        NSAssert( [child isKindOfClass:[CCMenuItem class]], @"Menu only supports MenuItem objects as children");
+        [super addChild:child z:z tag:aTag];
+}
+
+- (void) onExit
+{
+        if(state_ == kCCMenuStateTrackingTouch)
+        {
+                [selectedItem_ unselected];             
+                state_ = kCCMenuStateWaiting;
+                selectedItem_ = nil;
+        }
+        [super onExit];
+}
+        
+#pragma mark Menu - Touches
+
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+-(void) registerWithTouchDispatcher
+{
+        [[CCTouchDispatcher sharedDispatcher] addTargetedDelegate:self priority:kCCMenuTouchPriority swallowsTouches:YES];
+}
+
+-(CCMenuItem *) itemForTouch: (UITouch *) touch
+{
+        CGPoint touchLocation = [touch locationInView: [touch view]];
+        touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];
+        
+        CCMenuItem* item;
+        CCARRAY_FOREACH(children_, item){
+                // ignore invisible and disabled items: issue #779, #866
+                if ( [item visible] && [item isEnabled] ) {
+                        
+                        CGPoint local = [item convertToNodeSpace:touchLocation];
+                        CGRect r = [item rect];
+                        r.origin = CGPointZero;
+                        
+                        if( CGRectContainsPoint( r, local ) )
+                                return item;
+                }
+        }
+        return nil;
+}
+
+-(BOOL) ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event
+{
+        if( state_ != kCCMenuStateWaiting || !visible_ )
+                return NO;
+        
+        selectedItem_ = [self itemForTouch:touch];
+        [selectedItem_ selected];
+        
+        if( selectedItem_ ) {
+                state_ = kCCMenuStateTrackingTouch;
+                return YES;
+        }
+        return NO;
+}
+
+-(void) ccTouchEnded:(UITouch *)touch withEvent:(UIEvent *)event
+{
+        NSAssert(state_ == kCCMenuStateTrackingTouch, @"[Menu ccTouchEnded] -- invalid state");
+        
+        [selectedItem_ unselected];
+        [selectedItem_ activate];
+        
+        state_ = kCCMenuStateWaiting;
+}
+
+-(void) ccTouchCancelled:(UITouch *)touch withEvent:(UIEvent *)event
+{
+        NSAssert(state_ == kCCMenuStateTrackingTouch, @"[Menu ccTouchCancelled] -- invalid state");
+        
+        [selectedItem_ unselected];
+        
+        state_ = kCCMenuStateWaiting;
+}
+
+-(void) ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event
+{
+        NSAssert(state_ == kCCMenuStateTrackingTouch, @"[Menu ccTouchMoved] -- invalid state");
+        
+        CCMenuItem *currentItem = [self itemForTouch:touch];
+        
+        if (currentItem != selectedItem_) {
+                [selectedItem_ unselected];
+                selectedItem_ = currentItem;
+                [selectedItem_ selected];
+        }
+}
+
+#pragma mark Menu - Mouse
+
+#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
+
+-(NSInteger) mouseDelegatePriority
+{
+        return kCCMenuMousePriority+1;
+}
+
+-(CCMenuItem *) itemForMouseEvent: (NSEvent *) event
+{
+        CGPoint location = [(CCDirectorMac*)[CCDirector sharedDirector] convertEventToGL:event];
+        
+        CCMenuItem* item;
+        CCARRAY_FOREACH(children_, item){
+                // ignore invisible and disabled items: issue #779, #866
+                if ( [item visible] && [item isEnabled] ) {
+                        
+                        CGPoint local = [item convertToNodeSpace:location];
+                        
+                        CGRect r = [item rect];
+                        r.origin = CGPointZero;
+                        
+                        if( CGRectContainsPoint( r, local ) )
+                                return item;
+                }
+        }
+        return nil;
+}
+
+-(BOOL) ccMouseUp:(NSEvent *)event
+{
+        if( ! visible_ )
+                return NO;
+
+        if(state_ == kCCMenuStateTrackingTouch) {
+                if( selectedItem_ ) {
+                        [selectedItem_ unselected];
+                        [selectedItem_ activate];
+                }
+                state_ = kCCMenuStateWaiting;
+                
+                return YES;
+        }
+        return NO;
+}
+
+-(BOOL) ccMouseDown:(NSEvent *)event
+{
+        if( ! visible_ )
+                return NO;
+        
+        selectedItem_ = [self itemForMouseEvent:event];
+        [selectedItem_ selected];
+
+        if( selectedItem_ ) {
+                state_ = kCCMenuStateTrackingTouch;
+                return YES;
+        }
+
+        return NO;      
+}
+
+-(BOOL) ccMouseDragged:(NSEvent *)event
+{
+        if( ! visible_ )
+                return NO;
+
+        if(state_ == kCCMenuStateTrackingTouch) {
+                CCMenuItem *currentItem = [self itemForMouseEvent:event];
+                
+                if (currentItem != selectedItem_) {
+                        [selectedItem_ unselected];
+                        selectedItem_ = currentItem;
+                        [selectedItem_ selected];
+                }
+                
+                return YES;
+        }
+        return NO;
+}
+
+#endif // Mac Mouse support
+
+#pragma mark Menu - Alignment
+-(void) alignItemsVertically
+{
+        [self alignItemsVerticallyWithPadding:kDefaultPadding];
+}
+-(void) alignItemsVerticallyWithPadding:(float)padding
+{
+        float height = -padding;
+        
+        CCMenuItem *item;
+        CCARRAY_FOREACH(children_, item)
+            height += item.contentSize.height * item.scaleY + padding;
+
+        float y = height / 2.0f;
+        
+        CCARRAY_FOREACH(children_, item) {
+                CGSize itemSize = item.contentSize;
+            [item setPosition:ccp(0, y - itemSize.height * item.scaleY / 2.0f)];
+            y -= itemSize.height * item.scaleY + padding;
+        }
+}
+
+-(void) alignItemsHorizontally
+{
+        [self alignItemsHorizontallyWithPadding:kDefaultPadding];
+}
+
+-(void) alignItemsHorizontallyWithPadding:(float)padding
+{
+        
+        float width = -padding;
+        CCMenuItem *item;
+        CCARRAY_FOREACH(children_, item)
+            width += item.contentSize.width * item.scaleX + padding;
+
+        float x = -width / 2.0f;
+        
+        CCARRAY_FOREACH(children_, item){
+                CGSize itemSize = item.contentSize;
+                [item setPosition:ccp(x + itemSize.width * item.scaleX / 2.0f, 0)];
+                x += itemSize.width * item.scaleX + padding;
+        }
+}
+
+-(void) alignItemsInColumns: (NSNumber *) columns, ...
+{
+        va_list args;
+        va_start(args, columns);
+        
+        [self alignItemsInColumns:columns vaList:args];
+        
+        va_end(args);
+}
+
+-(void) alignItemsInColumns: (NSNumber *) columns vaList: (va_list) args
+{
+        NSMutableArray *rows = [[NSMutableArray alloc] initWithObjects:columns, nil];
+        columns = va_arg(args, NSNumber*);
+        while(columns) {
+        [rows addObject:columns];
+                columns = va_arg(args, NSNumber*);
+        }
+    
+        int height = -5;
+    NSUInteger row = 0, rowHeight = 0, columnsOccupied = 0, rowColumns;
+        CCMenuItem *item;
+        CCARRAY_FOREACH(children_, item){
+                NSAssert( row < [rows count], @"Too many menu items for the amount of rows/columns.");
+        
+                rowColumns = [(NSNumber *) [rows objectAtIndex:row] unsignedIntegerValue];
+                NSAssert( rowColumns, @"Can't have zero columns on a row");
+        
+                rowHeight = fmaxf(rowHeight, item.contentSize.height);
+                ++columnsOccupied;
+        
+                if(columnsOccupied >= rowColumns) {
+                        height += rowHeight + 5;
+
+                        columnsOccupied = 0;
+                        rowHeight = 0;
+                        ++row;
+                }
+        }
+        NSAssert( !columnsOccupied, @"Too many rows/columns for available menu items." );
+
+        CGSize winSize = [[CCDirector sharedDirector] winSize];
+    
+        row = 0; rowHeight = 0; rowColumns = 0;
+        float w, x, y = height / 2;
+        CCARRAY_FOREACH(children_, item) {
+                if(rowColumns == 0) {
+                        rowColumns = [(NSNumber *) [rows objectAtIndex:row] unsignedIntegerValue];
+                        w = winSize.width / (1 + rowColumns);
+                        x = w;
+                }
+
+                CGSize itemSize = item.contentSize;
+                rowHeight = fmaxf(rowHeight, itemSize.height);
+                [item setPosition:ccp(x - winSize.width / 2,
+                                                          y - itemSize.height / 2)];
+            
+                x += w;
+                ++columnsOccupied;
+                
+                if(columnsOccupied >= rowColumns) {
+                        y -= rowHeight + 5;
+                        
+                        columnsOccupied = 0;
+                        rowColumns = 0;
+                        rowHeight = 0;
+                        ++row;
+                }
+        }
+
+        [rows release];
+}
+
+-(void) alignItemsInRows: (NSNumber *) rows, ...
+{
+        va_list args;
+        va_start(args, rows);
+        
+        [self alignItemsInRows:rows vaList:args];
+        
+        va_end(args);
+}
+
+-(void) alignItemsInRows: (NSNumber *) rows vaList: (va_list) args
+{
+        NSMutableArray *columns = [[NSMutableArray alloc] initWithObjects:rows, nil];
+        rows = va_arg(args, NSNumber*);
+        while(rows) {
+                [columns addObject:rows];
+                rows = va_arg(args, NSNumber*);
+        }
+
+        NSMutableArray *columnWidths = [[NSMutableArray alloc] init];
+        NSMutableArray *columnHeights = [[NSMutableArray alloc] init];
+        
+        int width = -10, columnHeight = -5;
+        NSUInteger column = 0, columnWidth = 0, rowsOccupied = 0, columnRows;
+        CCMenuItem *item;
+        CCARRAY_FOREACH(children_, item){
+                NSAssert( column < [columns count], @"Too many menu items for the amount of rows/columns.");
+                
+                columnRows = [(NSNumber *) [columns objectAtIndex:column] unsignedIntegerValue];
+                NSAssert( columnRows, @"Can't have zero rows on a column");
+                
+                CGSize itemSize = item.contentSize;
+                columnWidth = fmaxf(columnWidth, itemSize.width);
+                columnHeight += itemSize.height + 5;
+                ++rowsOccupied;
+                
+                if(rowsOccupied >= columnRows) {
+                        [columnWidths addObject:[NSNumber numberWithUnsignedInteger:columnWidth]];
+                        [columnHeights addObject:[NSNumber numberWithUnsignedInteger:columnHeight]];
+                        width += columnWidth + 10;
+                        
+                        rowsOccupied = 0;
+                        columnWidth = 0;
+                        columnHeight = -5;
+                        ++column;
+                }
+        }
+        NSAssert( !rowsOccupied, @"Too many rows/columns for available menu items.");
+        
+        CGSize winSize = [[CCDirector sharedDirector] winSize];
+        
+        column = 0; columnWidth = 0; columnRows = 0;
+        float x = -width / 2, y;
+        
+        CCARRAY_FOREACH(children_, item){
+                if(columnRows == 0) {
+                        columnRows = [(NSNumber *) [columns objectAtIndex:column] unsignedIntegerValue];
+                        y = ([(NSNumber *) [columnHeights objectAtIndex:column] intValue] + winSize.height) / 2;
+                }
+                
+                CGSize itemSize = item.contentSize;
+                columnWidth = fmaxf(columnWidth, itemSize.width);
+                [item setPosition:ccp(x + [(NSNumber *) [columnWidths objectAtIndex:column] unsignedIntegerValue] / 2,
+                                                          y - winSize.height / 2)];
+                
+                y -= itemSize.height + 10;
+                ++rowsOccupied;
+                
+                if(rowsOccupied >= columnRows) {
+                        x += columnWidth + 5;
+                        
+                        rowsOccupied = 0;
+                        columnRows = 0;
+                        columnWidth = 0;
+                        ++column;
+                }
+        }
+        
+        [columns release];
+        [columnWidths release];
+        [columnHeights release];
+}
+
+#pragma mark Menu - Opacity Protocol
+
+/** Override synthesized setOpacity to recurse items */
+- (void) setOpacity:(GLubyte)newOpacity
+{
+        opacity_ = newOpacity;
+        
+        id<CCRGBAProtocol> item;
+        CCARRAY_FOREACH(children_, item)
+                [item setOpacity:opacity_];
+}
+
+-(void) setColor:(ccColor3B)color
+{
+        color_ = color;
+        
+        id<CCRGBAProtocol> item;
+        CCARRAY_FOREACH(children_, item)
+                [item setColor:color_];
+}
+@end