scummvm/engines/ags/events.h
2021-04-11 19:55:21 -07:00

89 lines
2.1 KiB
C++

/* 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 AGS_EVENTS_H
#define AGS_EVENTS_H
#include "lib/allegro/keyboard.h"
#include "common/array.h"
#include "common/queue.h"
#include "common/events.h"
namespace AGS {
class EventsManager {
private:
Common::Queue<Common::Event> _pendingEvents;
Common::Queue<Common::KeyState> _pendingKeys;
Common::Array<bool> _keys;
bool isModifierKey(const Common::KeyCode &keycode) const;
bool isExtendedKey(const Common::KeyCode &keycode) const;
int getScancode(Common::KeyCode keycode) const;
void updateKeys(const Common::KeyState &keyState, bool isDown);
public:
EventsManager();
~EventsManager();
/**
* Poll any pending events
*/
void pollEvents();
/**
* Returns true if a keypress is pending
*/
bool keypressed();
/**
* Returns the next keypress, if any is pending
*/
int readKey();
/**
* Returns the next event, if any
*/
Common::Event readEvent();
/**
* Sets the mouse position
*/
void warpMouse(const Common::Point &newPos);
/**
* Returns true if a given key is pressed
*/
bool isKeyPressed(AGS3::AllegroKbdKeycode keycode) const;
/**
* Returns the bitset of currently pressed modifier keys
*/
uint getModifierFlags() const;
};
extern EventsManager *g_events;
} // namespace AGS
#endif