scummvm/engines/titanic/input_handler.h
2020-01-16 19:27:49 -08:00

94 lines
2.3 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 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:
/**
* Process and dispatch a passed message
* @returns True if message was handled
*/
bool processMessage(CMessage *msg);
/**
* Dispatches a message to the project
* @returns True if message was handled
*/
bool dispatchMessage(CMessage *msg);
/**
* Called when a drag operation has ended
*/
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);
/**
* Increment the lock count
*/
void incLockCount();
/**
* Decrement the lock count on the input handler
*/
void decLockCount();
/**
* Handles a genereated mouse message
*/
bool handleMessage(CMessage &msg, bool respectLock = true);
/**
* Returns true if input is locked
*/
bool isLocked() const { return _lockCount > 0; }
};
} // End of namespace Titanic
#endif /* TITANIC_INPUT_HANDLER_H */