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/***************************************************************************
* Copyright (C) 2005-2019 by the FIFE team *
* http://www.fifengine.net *
* This file is part of FIFE. *
* *
* FIFE is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef FIFE_GUI_LIBROCKETINPUTPROCESSOR_H
#define FIFE_GUI_LIBROCKETINPUTPROCESSOR_H
// Standard C++ library includes
#include <map>
// 3rd party library includes
#include <Rocket/Core/Input.h>
#include <Rocket/Core/Types.h>
#include <SDL_events.h>
// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "util/base/fife_stdint.h"
namespace Rocket {
namespace Core {
class Context;
}
}
namespace FIFE {
class LibRocketInputProcessor {
public:
/** Constructor
*/
LibRocketInputProcessor(Rocket::Core::Context* context);
/** Destructor
*/
~LibRocketInputProcessor();
/** Processes SDL input and converts it to librocket input, then forwards it to
* the librocket context.
*
* NOTE There is no way to get, if an event is consumed by Rocket currently.
* This is for in case it gets implemented in the future.
*
* @param evt The SDL input.
* @return A boolean value indicating if the event was consumed by librocket or not.
*/
bool onSdlEvent(SDL_Event &evt);
/**
* Called each frame to perform update operations.
*/
void turn();
private:
/** Updates the key mod state bitmask.
*/
void updateKeyModState();
/** Process a mouse motion event.
*/
bool processMouseMotion(SDL_Event& event);
/** Process a mouse input event.
*/
bool processMouseInput(SDL_Event& event);
/** Process a mouse wheel motion event.
*/
bool processMouseWheelMotion(SDL_Event& event);
/** Process a key input event.
*/
bool processKeyInput(SDL_Event& event);
/** Process a text input event.
*/
bool processTextInput(SDL_Event& event);
/** Creates the key map.
*/
void populateKeyMap();
/** Reference to librocket's context.
*/
Rocket::Core::Context* m_context;
/** Bitmask that stores key modifiers.
*/
uint32_t m_keyModState;
/** Counts how many times the wheel has been moved. Negative
* value means that the wheel has been moved abs(m_wheelCounter) upwards,
* positive value means that the wheel has been moved m_wheelCounter times downwards.
*/
int32_t m_wheelCounter;
/** Keymap to convert SDL key to Librocket key.
*/
std::map<SDL_Keycode, Rocket::Core::Input::KeyIdentifier> m_keyMap;
};
};
#endif //FIFE_GUI_LIBROCKETINPUTPROCESSOR_H
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