Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/client/iOS/Models/RDPKeyboard.h

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+/*
+ 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