slider.h

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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
 * 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/>.
 */
 
/* _______ __ __ __ ______ __ __ _______ __ __
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 *
 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
 *
 *
 * Per Larsson a.k.a finalman
 * Olof Naessén a.k.a jansem/yakslem
 *
 * Visit: http://guichan.sourceforge.net
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */
 
#ifndef GUI_WIDGETS_SLIDER_H
#define GUI_WIDGETS_SLIDER_H
 
#include "enums/gui/orientation.h"
 
#include "listeners/keylistener.h"
#include "listeners/mouselistener.h"
 
#include "gui/widgets/widget.h"
 
#include "localconsts.h"
 
class ImageCollection;
 
class Slider final : public Widget,
 public MouseListener,
 public KeyListener
{
 public:
 Slider(Widget2 *const widget,
 const double scaleEnd,
 const double stepLength);
 
 Slider(Widget2 *const widget,
 const double scaleStart,
 const double scaleEnd,
 const double stepLength);
 
 A_DELETE_COPY(Slider)
 
 
 ~Slider() override final;
 
 void updateAlpha();
 
 void draw(Graphics *const graphics) override final A_NONNULL(2);
 
 void safeDraw(Graphics *const graphics) override final A_NONNULL(2);
 
 void mouseEntered(MouseEvent& event) override final;
 
 void mouseExited(MouseEvent& event) override final;
 
 void mousePressed(MouseEvent &event) override final;
 
 void mouseDragged(MouseEvent &event) override final;
 
 void mouseWheelMovedUp(MouseEvent &event) override final;
 
 void mouseWheelMovedDown(MouseEvent &event) override final;
 
 void keyPressed(KeyEvent& event) override final;
 
 void setScale(const double scaleStart, const double scaleEnd);
 
 double getScaleStart() const
 { return mScaleStart; }
 
 void setScaleStart(const double scaleStart)
 { mScaleStart = scaleStart; }
 
 double getScaleEnd() const
 { return mScaleEnd; }
 
 void setScaleEnd(const double scaleEnd)
 { mScaleEnd = scaleEnd; }
 
 void setValue(const double value);
 
 double getValue() const
 { return mValue; }
 
 int getMarkerLength() const
 { return mMarkerLength; }
 
 void setMarkerLength(const int length)
 { mMarkerLength = length; }
 
 void setOrientation(const OrientationT orientation)
 { mOrientation = orientation; }
 
 OrientationT getOrientation() const
 { return mOrientation; }
 
 void setStepLength(const double length)
 { mStepLength = length; }
 
 double getStepLength() const
 { return mStepLength; }
 
 private:
 void init();
 
 double markerPositionToValue(const int position) const;
 
 int valueToMarkerPosition(const double value) const;
 
 int getMarkerPosition() const
 { return valueToMarkerPosition(getValue()); }
 
 static ImageRect buttons[2];
 static float mAlpha;
 static int mInstances;
 
 double mValue;
 
 double mStepLength;
 
 double mScaleStart;
 
 double mScaleEnd;
 
 OrientationT mOrientation;
 
 ImageCollection *mVertexes A_NONNULLPOINTER;
 
 int mMarkerLength;
 
 bool mHasMouse;
};
 
#endif // GUI_WIDGETS_SLIDER_H