Initial check-in into Mercurial. Branched from 1.0 release of Apple's sample code. No longer requires garbage collection. Fixed some memory leaks of CG objects. Fixed a bug when advancing to the 8th row in the Checkers game.
1 /* This code is based on Apple's "GeekGameBoard" sample code, version 1.0.
2 http://developer.apple.com/samplecode/GeekGameBoard/
3 Copyright © 2007 Apple Inc. Copyright © 2008 Jens Alfke. All Rights Reserved.
5 Redistribution and use in source and binary forms, with or without modification, are permitted
6 provided that the following conditions are met:
8 * Redistributions of source code must retain the above copyright notice, this list of conditions
9 and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright notice, this list of
11 conditions and the following disclaimer in the documentation and/or other materials provided
12 with the distribution.
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
15 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
17 BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
19 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
20 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
21 THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 #import <Cocoa/Cocoa.h>
24 @class Bit, Card, Grid, Game;
28 /** NSView that hosts a game. */
29 @interface BoardView : NSView
32 Game *_game; // Current Game
33 CALayer *_gameboard; // Game's main layer
35 // Used during mouse-down tracking:
36 NSPoint _dragStartPos; // Starting position of mouseDown
37 Bit *_dragBit; // Bit being dragged
38 id<BitHolder> _oldHolder; // Bit's original holder
39 CALayer *_oldSuperlayer; // Bit's original superlayer
40 int _oldLayerIndex; // Bit's original index in _oldSuperlayer.layers
41 CGPoint _oldPos; // Bit's original x/y position
42 CGPoint _dragOffset; // Offset of mouse position from _dragBit's origin
43 BOOL _dragMoved; // Has the mouse moved more than 3 pixels since mouseDown?
44 id<BitHolder> _dropTarget; // Current BitHolder the cursor is over
46 // Used while handling incoming drags:
47 CALayer *_viewDropTarget; // Current drop target during an incoming drag-n-drop
48 NSDragOperation _viewDropOp; // Current drag operation
51 - (void) startGameNamed: (NSString*)gameClassName;
53 - (IBAction) enterFullScreen: (id)sender;
55 @property (readonly) Game *game;
56 @property (readonly) CALayer *gameboard;
58 - (CGRect) gameBoardFrame;