Slider.h

/*
 * Copyright 2010-2014 OpenXcom Developers.
 *
 * This file is part of OpenXcom.
 *
 * OpenXcom 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.
 *
 * OpenXcom 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 OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef OPENXCOM_SLIDER_H
#define OPENXCOM_SLIDER_H

#include "../Engine/InteractiveSurface.h"

namespace OpenXcom
{

class Font;
class Language;
class Frame;
class TextButton;
class Text;

class Slider : public InteractiveSurface
{
private:
    Frame *_frame;
    Text *_txtMinus, *_txtPlus;
    TextButton *_button;
    double _pos;
    int _min, _max, _value;
    bool _pressed;
    ActionHandler _change;
    int _thickness, _textness, _minX, _maxX, _offsetX;
    
    void setPosition(double pos);
public:
    Slider(int width, int height, int x = 0, int y = 0);
    ~Slider();
    void setX(int x);
    void setY(int y);
    void initText(Font *big, Font *small, Language *lang);
    void setHighContrast(bool contrast);
    void setColor(Uint8 color);
    Uint8 getColor() const;
    void setPalette(SDL_Color *colors, int firstcolor = 0, int ncolors = 256);
    void setRange(int min, int max);
    void setValue(int value);
    int getValue() const;
    void blit(Surface *surface);
    void handle(Action *action, State *state);
    void mousePress(Action *action, State *state);
    void mouseRelease(Action *action, State *state);
    void onChange(ActionHandler handler);
};

}

#endif