input_handler.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef TITANIC_INPUT_HANDLER_H
#define TITANIC_INPUT_HANDLER_H

#include "titanic/support/rect.h"

namespace Titanic {

class CGameObject;
class CGameManager;
class CInputTranslator;
class CMessage;
class CTreeItem;

class CInputHandler {
private:
    bool processMessage(CMessage *msg);

    bool dispatchMessage(CMessage *msg);

    CGameObject *dragEnd(const Point &pt, CTreeItem *dragItem);
public:
    CGameManager *_gameManager;
    CInputTranslator *_inputTranslator;
    bool _dragging;
    bool _buttonDown;
    CTreeItem *_dragItem;
    Point _dragStartPos;
    Point _mousePos;
    int _lockCount;
    bool _abortMessage;
public:
    CInputHandler(CGameManager *owner);
    ~CInputHandler();

    void setTranslator(CInputTranslator *translator);

    void incLockCount();

    void decLockCount();

    bool handleMessage(CMessage &msg, bool respectLock = true);

    bool isLocked() const { return _lockCount > 0; }
};

} // End of namespace Titanic

#endif /* TITANIC_INPUT_HANDLER_H */