dhuesaturationselect.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 1997-02-20
 * Description : color chooser widgets
 *
 * Copyright (C)      1997 by Martin Jones (mjones at kde dot org)
 * Copyright (C) 2015-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * 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, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_DHUE_SATURATION_SELECT_H
#define DIGIKAM_DHUE_SATURATION_SELECT_H
 
// Qt includes
 
#include <QWidget>
#include <QPixmap>
 
// Local includes
 
#include "digikam_export.h"
#include "dcolorchoosermode.h"
 
namespace Digikam
{
 
class DIGIKAM_EXPORT DPointSelect : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(int xValue READ xValue WRITE setXValue)
    Q_PROPERTY(int yValue READ yValue WRITE setYValue)
 
public:
 
    explicit DPointSelect(QWidget* const parent);
    ~DPointSelect() override;
 
    void setValues(int xPos, int yPos);
 
    void setXValue(int xPos);
 
    void setYValue(int yPos);
 
    void setRange(int minX, int minY, int maxX, int maxY);
 
    void setMarkerColor(const QColor& col);
 
    int xValue()                    const;
 
    int yValue()                    const;
 
    QRect contentsRect()            const;
 
    QSize minimumSizeHint() const override;
 
Q_SIGNALS:
 
    void valueChanged(int x, int y);
 
protected:
 
    virtual void drawContents(QPainter*) {};
 
    virtual void drawMarker(QPainter* p, int xp, int yp);
 
    void paintEvent(QPaintEvent* e) override;
    void mousePressEvent(QMouseEvent* e) override;
    void mouseMoveEvent(QMouseEvent* e) override;
    void wheelEvent(QWheelEvent*) override;
 
    void valuesFromPosition(int x, int y, int& xVal, int& yVal) const;
 
private:
 
    void setPosition(int xp, int yp);
 
private:
 
    DPointSelect(); // Disable default constructor.
    Q_DISABLE_COPY(DPointSelect)
 
    class Private;
    friend class Private;
    Private* const d;
};
 
// --------------------------------------------------------------------------------
 
class DIGIKAM_EXPORT DHueSaturationSelector : public DPointSelect
{
    Q_OBJECT
 
public:
 
    explicit DHueSaturationSelector(QWidget* const parent = nullptr);
 
    ~DHueSaturationSelector() override;
 
    void setChooserMode(DColorChooserMode chooserMode);
 
    DColorChooserMode chooserMode() const;
 
 
    int hue()                       const;
 
    void setHue(int hue);
 
    int saturation()                const;
 
    void setSaturation(int saturation);
 
    int colorValue()                const;
 
    void setColorValue(int color);
 
    void updateContents();
 
protected:
 
    virtual void drawPalette(QPixmap* pixmap);
    void resizeEvent(QResizeEvent*) override;
 
    void drawContents(QPainter* painter) override;
 
private:
 
    Q_DISABLE_COPY(DHueSaturationSelector)
 
    class Private;
    friend class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_DHUE_SATURATION_SELECT_H