iconbutton.h

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#ifndef WIDGETS_ICONBUTTON_H
#define WIDGETS_ICONBUTTON_H
 
#include "../global.h"
 
#include <QAbstractButton>
#include <QAction>
#include <QPixmap>
#include <QSize>
 
#include <cstdint>
 
namespace QtUtilities {
 
class QT_UTILITIES_EXPORT IconButton : public QAbstractButton {
    Q_OBJECT
    Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)
 
public:
    explicit IconButton(QWidget *parent = nullptr);
    ~IconButton() override;
 
    static IconButton *fromAction(QAction *action, std::uintptr_t id = 0);
    const QPixmap &pixmap() const;
    void setPixmap(const QPixmap &pixmap);
    QSize sizeHint() const override;
 
    static constexpr auto defaultPixmapSize = QSize(16, 16);
 
protected:
    void paintEvent(QPaintEvent *event) override;
    void keyPressEvent(QKeyEvent *event) override;
    void keyReleaseEvent(QKeyEvent *event) override;
 
private Q_SLOTS:
    void assignDataFromActionChangedSignal();
    void assignDataFromAction(const QAction *action);
 
private:
    QPixmap m_pixmap;
};

inline const QPixmap &IconButton::pixmap() const
{
    return m_pixmap;
}

inline void IconButton::setPixmap(const QPixmap &pixmap)
{
    m_pixmap = pixmap;
    update();
}
} // namespace QtUtilities
 
#endif // WIDGETS_ICONBUTTON_H