/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

	Sam Lantinga, mods for Hedgewars by Vittorio Giovara
	slouken@libsdl.org, vittorio.giovara@gmail.com
*/

#import <UIKit/UIKit.h>
#include "SDL_stdinc.h"
#include "SDL_mouse.h"
#include "SDL_mouse_c.h"
#include "SDL_events.h"

#import "CGPointUtils.h"

#if SDL_IPHONE_MULTIPLE_MICE
#define MAX_SIMULTANEOUS_TOUCHES 5
#else
#define MAX_SIMULTANEOUS_TOUCHES 1
#endif

// constants for telling which input has been received
#define kMinimumPinchDelta		100
#define kMinimumGestureLength	25
#define kMaximumVariance		5

/* *INDENT-OFF* */
#if SDL_IPHONE_KEYBOARD
@interface SDL_uikitview : UIView<UITextFieldDelegate> {
#else
@interface SDL_uikitview : UIView {
#endif
	
	SDL_Mouse mice[MAX_SIMULTANEOUS_TOUCHES];
	CGFloat initialDistance;
	CGPoint gestureStartPoint;
	
#if SDL_IPHONE_KEYBOARD
	UITextField *textField;
	BOOL keyboardVisible;
#endif
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;

@property CGFloat initialDistance;
@property CGPoint gestureStartPoint;

#if SDL_IPHONE_KEYBOARD
- (void)showKeyboard;
- (void)hideKeyboard;
- (void)initializeKeyboard;
@property (readonly) BOOL keyboardVisible;
#endif 
	
@end
/* *INDENT-ON* */