cursorman.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_AURORA_CURSORMAN_H
#define GRAPHICS_AURORA_CURSORMAN_H

#include <map>

#include "src/common/types.h"
#include "src/common/ustring.h"
#include "src/common/singleton.h"
#include "src/common/mutex.h"

namespace Graphics {

namespace Aurora {

class Cursor;

class CursorManager : public Common::Singleton<CursorManager> {
public:
    CursorManager();
    ~CursorManager();

    void clear();

    bool add(const Common::UString &name, const Common::UString &group,
             const Common::UString &state = "", int hotspotX = -1, int hotspotY = -1);

    void setDefault(const Common::UString &group, const Common::UString &state = "");

    void set(const Common::UString &group, const Common::UString &state = "");

    void setGroup(const Common::UString &group);
    void setState(const Common::UString &state);

    void set();

    void reset();

    void hideCursor(); 
    void showCursor(); 

    uint8 getPosition(int &x, int &y) const;
    void  setPosition(int  x, int  y);

    void toScreenCoordinates(int x, int y, float &sX, float &sY);
    void fromScreenCoordinates(float sX, float sY, int &x, int &y);

    bool isVisible() const; 

    const Common::UString &getCurrentGroup() const;
    const Common::UString &getCurrentState() const;

private:
    typedef std::map<Common::UString, Cursor *> StateMap;
    typedef std::map<Common::UString, StateMap> CursorMap;

    CursorMap _cursors;

    Common::UString _currentGroup;
    Common::UString _currentState;

    Common::UString _defaultGroup;
    Common::UString _defaultState;

    bool _hidden;

    Cursor *_currentCursor;

    Common::Mutex _mutex;


    Cursor *find(Common::UString &group, Common::UString &state, bool def = false) const;

    void update();
};

} // End of namespace Aurora

} // End of namespace Graphics

#define CursorMan Graphics::Aurora::CursorManager::instance()

#endif // GRAPHICS_AURORA_CURSORMAN_H