/*

 RDP Keyboard helper

 Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz

 This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.

 If a copy of the MPL was not distributed with this file, You can obtain one at

 http://mozilla.org/MPL/2.0/.

 */

#import <Foundation/Foundation.h>

#import "RDPSession.h"

@class RDPKeyboard;

@protocol RDPKeyboardDelegate <NSObject>

@optional

- (void)modifiersChangedForKeyboard:(RDPKeyboard *)keyboard;

@end

@interface RDPKeyboard : NSObject

{

	RDPSession *_session;

	int _virtual_key_map[256];

	int _unicode_map[256];

	NSDictionary *_special_keys;

	NSObject<RDPKeyboardDelegate> *_delegate;

	BOOL _ctrl_pressed;

	BOOL _alt_pressed;

	BOOL _shift_pressed;

	BOOL _win_pressed;

}

@property(assign) id<RDPKeyboardDelegate> delegate;

@property(readonly) BOOL ctrlPressed;

@property(readonly) BOOL altPressed;

@property(readonly) BOOL shiftPressed;

@property(readonly) BOOL winPressed;

// returns a keyboard instance

+ (RDPKeyboard *)getSharedRDPKeyboard;

// init the keyboard and assign the given rdp session and delegate

- (void)initWithSession:(RDPSession *)session delegate:(NSObject<RDPKeyboardDelegate> *)delegate;

// called to reset any pending key states (i.e. pressed modifier keys)

- (void)reset;

// sends the given unicode character to the server

- (void)sendUnicode:(int)character;

// send a key stroke event using the given virtual key code

- (void)sendVirtualKeyCode:(int)keyCode;

// toggle ctrl key, returns true if pressed, otherwise false

- (void)toggleCtrlKey;

// toggle alt key, returns true if pressed, otherwise false

- (void)toggleAltKey;

// toggle shift key, returns true if pressed, otherwise false

- (void)toggleShiftKey;

// toggle windows key, returns true if pressed, otherwise false

- (void)toggleWinKey;

// send key strokes

- (void)sendEnterKeyStroke;

- (void)sendEscapeKeyStroke;

- (void)sendBackspaceKeyStroke;

@end