dcolorvalueselector.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_DCOLOR_VALUE_SELECTOR_H
#define DIGIKAM_DCOLOR_VALUE_SELECTOR_H
 
// Qt includes
 
#include <QPixmap>
#include <QAbstractSlider>
 
// Local includes
 
#include "dcolorchoosermode.h"
#include "digikam_export.h"
 
namespace Digikam
{
 
class DIGIKAM_EXPORT DSelector : public QAbstractSlider
{
    Q_OBJECT
    Q_PROPERTY(int value READ value WRITE setValue)
    Q_PROPERTY(int minValue READ minimum WRITE setMinimum)
    Q_PROPERTY(int maxValue READ maximum WRITE setMaximum)
    Q_PROPERTY(bool indent READ indent WRITE setIndent)
    Q_PROPERTY(Qt::ArrowType arrowDirection READ arrowDirection WRITE setArrowDirection)
 
public:
 
    explicit DSelector(QWidget *parent = nullptr);
    explicit DSelector(Qt::Orientation o, QWidget* const parent = nullptr);
    ~DSelector() override;
 
    QRect contentsRect()            const;
 
    void setIndent(bool i);
 
    bool indent()                   const;
 
    void setArrowDirection(Qt::ArrowType direction);
 
    Qt::ArrowType arrowDirection()  const;
 
protected:
 
    virtual void drawContents(QPainter*) {};
 
    virtual void drawArrow(QPainter* painter, const QPoint& pos);
 
    void paintEvent(QPaintEvent*)           override;
    void mousePressEvent(QMouseEvent* e)    override;
    void mouseMoveEvent(QMouseEvent* e)     override;
    void mouseReleaseEvent(QMouseEvent* e)  override;
    void wheelEvent(QWheelEvent*)           override;
 
private:
 
    QPoint calcArrowPos(int val);
    void moveArrow(const QPoint& pos);
 
private:
 
    class Private;
    friend class Private;
    Private* const d;
 
    Q_DISABLE_COPY(DSelector)
};
 
// -----------------------------------------------------------------------------------
 
class DIGIKAM_EXPORT DColorValueSelector : public DSelector
{
    Q_OBJECT
    Q_PROPERTY( int hue        READ hue        WRITE setHue)
    Q_PROPERTY( int saturation READ saturation WRITE setSaturation)
    Q_PROPERTY( int colorValue READ colorValue WRITE setColorValue)
 
public:
 
    explicit DColorValueSelector(QWidget* const parent = nullptr);
    explicit DColorValueSelector(Qt::Orientation o, QWidget* const parent = nullptr);
    ~DColorValueSelector() override;
 
    void updateContents();
 
    int hue()                       const;
 
    void setHue(int hue);
 
    int saturation()                const;
 
    void setSaturation(int saturation);
 
    int colorValue()                const;
 
    void setColorValue(int colorValue);
 
    void setChooserMode(DColorChooserMode chooserMode);
 
    DColorChooserMode chooserMode() const;
 
protected:
 
    virtual void drawPalette(QPixmap*);
    void resizeEvent(QResizeEvent*) override;
 
    void drawContents(QPainter*)    override;
 
private:
 
    class Private;
    friend class Private;
    Private* const d;
 
    Q_DISABLE_COPY(DColorValueSelector)
};
 
} // namespace Digikam
 
#endif // DIGIKAM_DCOLOR_VALUE_SELECTOR_H