Files
cantata/widgets/ratingwidget.h
Craig Drummond b6bd94c236 Update (c) year
2022-01-08 21:24:07 +00:00

85 lines
2.1 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.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 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef RATINGWIDGET_H
#define RATINGWIDGET_H
#include <QWidget>
#include <QPixmap>
class RatingPainter
{
public:
RatingPainter(int s);
void paint(QPainter *p, const QRect &r, int rating);
int starSize() const { return starSz; }
void setColor(const QColor &c);
const QColor & color() const { return col; }
const QSize & size() const { return pixmapSize; }
bool isNull() const { return pixmaps[0].isNull(); }
private:
int starSz;
QSize pixmapSize;
QColor col;
QPixmap pixmaps[3];
};
class RatingWidget : public QWidget
{
Q_OBJECT
public:
RatingWidget(QWidget *parent = nullptr);
QSize sizeHint() const override { return rp.size(); }
int value() const { return val; }
void setValue(int v);
void setColor(const QColor &c);
void setShowZeroForNull(bool s) { showZeroForNull=s; }
Q_SIGNALS:
void valueChanged(int v);
protected:
void paintEvent(QPaintEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void leaveEvent(QEvent *e) override;
private:
QRect contentsRect() const;
int valueForPos(const QPoint &pos) const;
QColor getColor() const;
private:
RatingPainter rp;
int val;
int hoverVal;
bool showZeroForNull;
};
#endif