/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#ifndef SCI_EVENT_H
#define SCI_EVENT_H

#include "common/list.h"
#include "common/rect.h"

namespace Sci {

struct SciEvent {
	uint16 type;
	uint16 modifiers;
	/**
	 * For keyboard events: the actual character of the key that was pressed
	 * For 'Alt', characters are interpreted by their
	 * PC keyboard scancodes.
	 */
	uint16 character;

	/**
	 * The mouse position at the time the event was created,
	 * in display coordinates.
	 */
	Common::Point mousePos;

#ifdef ENABLE_SCI32
	/**
	 * The mouse position at the time the event was created,
	 * in script coordinates.
	 */
	Common::Point mousePosSci;

	int16 hotRectangleIndex;
#endif
};

/*Values for type*/
#define SCI_EVENT_NONE            0
#define SCI_EVENT_MOUSE_PRESS     (1 << 0)
#define SCI_EVENT_MOUSE_RELEASE   (1 << 1)
#define SCI_EVENT_KEYBOARD        (1 << 2)
#define SCI_EVENT_DIRECTION       (1 << 6)
#define SCI_EVENT_SAID            (1 << 7)
#ifdef ENABLE_SCI32
#define SCI_EVENT_HOT_RECTANGLE   (1 << 10)
#endif
/*Fake values for other events*/
#define SCI_EVENT_QUIT            (1 << 11)
#define SCI_EVENT_PEEK            (1 << 15)
#define SCI_EVENT_ANY             0x7fff

/* Keycodes of special keys: */
#ifdef ENABLE_SCI32
#define SCI_KEY_ETX           3
#endif
#define SCI_KEY_ESC          27
#define SCI_KEY_BACKSPACE     8
#define SCI_KEY_ENTER        13
#define SCI_KEY_TAB        '\t'
#define SCI_KEY_SHIFT_TAB  (0xf << 8)

#define SCI_KEY_HOME   (71 << 8)	// 7
#define SCI_KEY_UP     (72 << 8)	// 8
#define SCI_KEY_PGUP   (73 << 8)	// 9
//
#define SCI_KEY_LEFT   (75 << 8)	// 4
#define SCI_KEY_CENTER (76 << 8)	// 5
#define SCI_KEY_RIGHT  (77 << 8)	// 6
//
#define SCI_KEY_END    (79 << 8)	// 1
#define SCI_KEY_DOWN   (80 << 8)	// 2
#define SCI_KEY_PGDOWN (81 << 8)	// 3
//
#define SCI_KEY_INSERT (82 << 8)	// 0
#define SCI_KEY_DELETE (83 << 8)	// .

#define SCI_KEY_F1   (59 << 8)
#define SCI_KEY_F2   (60 << 8)
#define SCI_KEY_F3   (61 << 8)
#define SCI_KEY_F4   (62 << 8)
#define SCI_KEY_F5   (63 << 8)
#define SCI_KEY_F6   (64 << 8)
#define SCI_KEY_F7   (65 << 8)
#define SCI_KEY_F8   (66 << 8)
#define SCI_KEY_F9   (67 << 8)
#define SCI_KEY_F10  (68 << 8)

#define SCI_KEY_SHIFT_F1   (84 << 8)
#define SCI_KEY_SHIFT_F2   (85 << 8)
#define SCI_KEY_SHIFT_F3   (86 << 8)
#define SCI_KEY_SHIFT_F4   (87 << 8)
#define SCI_KEY_SHIFT_F5   (88 << 8)
#define SCI_KEY_SHIFT_F6   (89 << 8)
#define SCI_KEY_SHIFT_F7   (90 << 8)
#define SCI_KEY_SHIFT_F8   (91 << 8)
#define SCI_KEY_SHIFT_F9   (92 << 8)
#define SCI_KEY_SHIFT_F10  (93 << 8)

/*Values for buckybits */
#define SCI_KEYMOD_RSHIFT    (1 << 0)
#define SCI_KEYMOD_LSHIFT    (1 << 1)
#define SCI_KEYMOD_CTRL      (1 << 2)
#define SCI_KEYMOD_ALT       (1 << 3)
#define SCI_KEYMOD_SCRLOCK   (1 << 4)
#define SCI_KEYMOD_NUMLOCK   (1 << 5)
#define SCI_KEYMOD_CAPSLOCK  (1 << 6)
#define SCI_KEYMOD_INSERT    (1 << 7)

#define SCI_KEYMOD_NON_STICKY      (SCI_KEYMOD_RSHIFT | SCI_KEYMOD_LSHIFT | SCI_KEYMOD_CTRL | SCI_KEYMOD_ALT)
#define SCI_KEYMOD_NO_FOOLOCK      (~(SCI_KEYMOD_SCRLOCK | SCI_KEYMOD_NUMLOCK | SCI_KEYMOD_CAPSLOCK | SCI_KEYMOD_INSERT))
#define SCI_KEYMOD_ALL             0xFF

class EventManager {
public:
	EventManager(bool fontIsExtended);
	~EventManager();

	void updateScreen();
	SciEvent getSciEvent(uint32 mask);

private:
	SciEvent getScummVMEvent();

	const bool _fontIsExtended;
	Common::List<SciEvent> _events;
#ifdef ENABLE_SCI32
public:
	void setHotRectanglesActive(const bool active);
	void setHotRectangles(const Common::Array<Common::Rect> &rects);
	void checkHotRectangles(const Common::Point &mousePosition);

private:
	bool _hotRectanglesActive;
	Common::Array<Common::Rect> _hotRects;
	int16 _activeRectIndex;
#endif
};

} // End of namespace Sci

#endif