PZWindowController.h

//
//  PZWindowController.h
//  PzzApp
//
//  Created by Ana Ca–izares on 27.03.12.
//  Copyright 2012 Pil Pel Soft. All rights reserved.
//

#import <Cocoa/Cocoa.h>
#import "PZModel.h"


extern NSString* PZWindowPreferencesUpdated;

typedef enum {
    none, restartSheet, shuffleSheet,
    changeLevelSheet, changeSizeSheet,
    chooseEmptyBlockSheet, chooseImageSheet
} SheetModes;


    // This is a block (an Obj-C closure)
    // We use them for the sheet dialogs;ü
typedef void (^AlertBlock)(void);


@interface PZButtonCell : NSButtonCell {
    CGFloat imageAlpha;   // 1.0 = no transparency
}

@property CGFloat imageAlpha;

- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView;

@end


/*!
 */
@interface PZWindowController : NSWindowController <NSAnimationDelegate> {
    PZModel*                    puzz;
    NSMutableDictionary* puzzlePrefs;
    IBOutlet NSMatrix*        matrix;
    NSColor*           matrixBgColor;
    
    IBOutlet NSPanel*       alertSheet;
    IBOutlet NSButton* alertSheetCheck;
    SheetModes           currSheetMode;
}

- (id) initWithPrefs: (NSMutableDictionary*) prefs;
- (void) changeSizeWithRows: (int) r columns: (int) c;

    //- (IBAction) changeImage: (id) sender;
- (BOOL) changeImage: (NSImage*) newImage;  // still necessary?

    //// UI actions fired through the responder chain

- (void) doShuffle: (id) sender;
- (void) doRestart: (id) sender;
- (void) doChangeSize: (id) sender;
- (void) doChangeLevel: (id) sender;
    //// These two together implement "empty cell editing mode"
- (void) doChangeEmptyCell: (id) sender;
- (void) doTakePieceOff: (id) sender;

- (void) doChangeBackgroundColor: (id) sender;

    //// The matrix has this as an action (WARNING! don't set the action of the
    // cells or the matrix' action won't get called after a click.)
- (void) doMovePiece: (id) sender;

- (IBAction) showOrNotAgain: (id) sender;
- (IBAction) alertSheetOK: (id) sender;
- (IBAction) alertSheetCancel: (id) sender;
- (void) openAlertSheet: (AlertBlock) code;
- (void) alertSheetDidEnd: (NSWindow *) sheet
               returnCode: (int) returnCode contextInfo: (void *) contextInfo;

@end