1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 /*
24  * This file is based on WME Lite.
25  * http://dead-code.org/redir.php?target=wmelite
26  * Copyright (c) 2011 Jan Nedoma
27  */
28 
29 #ifndef WINTERMUTE_BASE_KEYBOARD_STATE_H
30 #define WINTERMUTE_BASE_KEYBOARD_STATE_H
31 
32 
33 #include "engines/wintermute/base/base.h"
34 #include "engines/wintermute/base/base_scriptable.h"
35 #include "common/keyboard.h"
36 #include "common/events.h"
37 
38 namespace Wintermute {
39 
40 struct keyCodeMapping {
41 	Common::KeyCode commonKeycode;
42 	uint32 engineKeycode;
43 };
44 
45 class BaseKeyboardState : public BaseScriptable {
46 public:
47 	DECLARE_PERSISTENT(BaseKeyboardState, BaseScriptable)
48 	BaseKeyboardState(BaseGame *inGame);
49 	~BaseKeyboardState() override;
50 	bool readKey(Common::Event *event);
51 
52 	void handleKeyPress(Common::Event *event);
53 	void handleKeyRelease(Common::Event *event);
54 	static bool isShiftDown();
55 	static bool isControlDown();
56 	static bool isAltDown();
57 	bool isCurrentPrintable() const;
58 
59 	// scripting interface
60 	ScValue *scGetProperty(const Common::String &name) override;
61 	bool scSetProperty(const char *name, ScValue *value) override;
62 	bool scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) override;
63 	const char *scToString() override;
64 
65 private:
66 	void init();
67 
68 	bool _currentPrintable;
69 	uint32 _currentKeyData;
70 	uint32 _currentCharCode;
71 
72 	bool _currentShift;
73 	bool _currentAlt;
74 	bool _currentControl;
75 
76 	uint8 *_keyStates;
77 
78 	const keyCodeMapping *_mapping;
79 	uint32 _mappingSize;
80 };
81 
82 } // End of namespace Wintermute
83 
84 #endif
85