qtcolorpicker.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
#include <QColor>
#include <QEvent>
#include <QFocusEvent>
#include <QLabel>
#include <QPushButton>
#include <QString>
 
#include "../qPCL.h"
 
namespace Widgets {
 
class ColorPickerPopup;
 
class QPCL_ENGINE_LIB_API QtColorPicker : public QPushButton {
    Q_OBJECT
 
    Q_PROPERTY(bool colorDialog READ colorDialogEnabled WRITE
                       setColorDialogEnabled)
 
public:
    QtColorPicker(QWidget *parent = 0,
                  int columns = -1,
                  bool enableColorDialog = true);
 
    ~QtColorPicker();
 
    void insertColor(const QColor &color,
                     const QString &text = QString(),
                     int index = -1);
 
    QColor currentColor() const;
 
    QColor color(int index) const;
 
    void setColorDialogEnabled(bool enabled);
    bool colorDialogEnabled() const;
 
    void setStandardColors();
 
    static QColor GetColor(const QPoint &pos, bool allowCustomColors = true);
 
public Q_SLOTS:
    void setCurrentColor(const QColor &col);
 
Q_SIGNALS:
    void colorChanged(const QColor &);
 
protected:
    void paintEvent(QPaintEvent *e);
 
private Q_SLOTS:
    void buttonPressed(bool toggled);
    void popupClosed();
 
private:
    ColorPickerPopup *popup;
    QColor col;
    bool withColorDialog;
    bool dirty;
    bool firstInserted;
};
 
}  // namespace Widgets