colorbutton.h

来自「奇趣公司比较新的qt/emd版本」· C头文件 代码 · 共 82 行

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#ifndef COLORBUTTON_H
#define COLORBUTTON_H

#include <QAbstractButton>

class ColorButton : public QAbstractButton
{
    Q_OBJECT

public:
    ColorButton(QWidget *);
    ColorButton(const QColor &, QWidget *);

    const QColor &color() const { return col; }

    void setColor(const QColor &);
    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    void mousePressEvent(QMouseEvent *);
    void mouseReleaseEvent(QMouseEvent *);
    void mouseMoveEvent(QMouseEvent *);
    void dragEnterEvent(QDragEnterEvent *);
    void dragMoveEvent(QDragMoveEvent *);
    void dropEvent(QDropEvent *);

signals:
    void colorChanged(const QColor &);

protected:
    void paintEvent(QPaintEvent *);
    void drawButton(QPainter *);
    void drawButtonLabel(QPainter *);

private slots:
    void changeColor();


private:
    QColor col;
    QPoint presspos;
    bool mousepressed;
};

#endif // COLORBUTTON_H