File indexing completed on 2024-05-12 04:52:52 

0001 /*
0002     SPDX-FileCopyrightText: 2013 Meltytech LLC
0003     SPDX-FileCopyrightText: 2013 Dan Dennedy <dan@dennedy.org>
0004 
0005     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0006 */
0007 
0008 #pragma once
0009 
0010 #include "utils/qcolorutils.h"
0011 
0012 #include <QPainter>
0013 #include <QResizeEvent>
0014 #include <QWidget>
0015 
0016 class QDoubleSpinBox;
0017 class QLabel;
0018 
0019 class WheelContainer : public QWidget
0020 {
0021     Q_OBJECT
0022 public:
0023     explicit WheelContainer(QString id, QString name, NegQColor color, int unitSize, QWidget *parent = nullptr);
0024     QSize sizeHint() const override;
0025     QSize minimumSizeHint() const override;
0026     NegQColor color() const;
0027     void setColor(const QList <double> &values);
0028     void setFactorDefaultZero(qreal factor, qreal defvalue, qreal zero);
0029     const QList <double> getNiceParamValues() const;
0030     void setRedColor(double value);
0031     void setGreenColor(double value);
0032     void setBlueColor(double value);
0033 
0034 public Q_SLOTS:
0035     void changeColor(const NegQColor &sourceColor, const NegQColor &color, bool createUndo);
0036 
0037 Q_SIGNALS:
0038     void colorChange(const NegQColor &sourceColor, const NegQColor &color, bool createUndo);
0039 
0040 protected:
0041     void mousePressEvent(QMouseEvent *event) override;
0042     void mouseMoveEvent(QMouseEvent *event) override;
0043     void mouseReleaseEvent(QMouseEvent *event) override;
0044     void focusOutEvent(QFocusEvent *event) override;
0045     void wheelEvent(QWheelEvent *event) override;
0046     void resizeEvent(QResizeEvent *event) override;
0047     void paintEvent(QPaintEvent *event) override;
0048 
0049 private:
0050     QString m_id;
0051     QSize m_initialSize;
0052     QImage m_image;
0053     bool m_isMouseDown;
0054     QPointF m_lastPoint;
0055     int m_margin;
0056     int m_sliderWidth;
0057     int m_sliderBorder;
0058     QRegion m_wheelRegion;
0059     QRegion m_sliderRegion;
0060     NegQColor m_color;
0061     NegQColor m_defaultColor;
0062     NegQColor m_sourceColor;
0063     int m_unitSize;
0064     QString m_name;
0065     bool m_wheelClick;
0066     bool m_sliderClick;
0067     bool m_sliderFocus;
0068 
0069     qreal m_sizeFactor = 1;
0070     qreal m_defaultValue = 1;
0071     qreal m_zeroShift = 0;
0072 
0073     int wheelSize() const;
0074     int sliderHeight() const;
0075     NegQColor colorForPoint(const QPointF &point);
0076     QPointF pointForColor();
0077     double yForColor();
0078     void drawWheel();
0079     void drawWheelDot(QPainter &painter);
0080     void drawSliderBar(QPainter &painter);
0081     void drawSlider();
0082     const QString getParamValues() const;
0083 };
0084 
0085 class ColorWheel : public QWidget
0086 {
0087     Q_OBJECT
0088 public:
0089     explicit ColorWheel(const QString &id, const QString &name, const NegQColor &color, QWidget *parent = nullptr);
0090     NegQColor color() const;
0091     void setColor(const QList <double> &values);
0092     void setFactorDefaultZero(qreal factor, qreal defvalue, qreal zero);
0093 
0094 private:
0095     WheelContainer *m_container;
0096     QLabel *m_wheelName;
0097     QDoubleSpinBox *m_redEdit;
0098     QDoubleSpinBox *m_greenEdit;
0099     QDoubleSpinBox *m_blueEdit;
0100 
0101 Q_SIGNALS:
0102     void colorChange(const NegQColor &sourceColor, const NegQColor &color, bool createUndo);
0103 };