qtcolorbutton.h

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/****************************************************************************
**
** Copied from Qt 4.6.0 sources, directory tools/shared/qtgradienteditor
** with small modifications to allow compilation with Qt 4.4
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#ifndef QTCOLORBUTTON_H
#define QTCOLORBUTTON_H

#include <QToolButton>

QT_BEGIN_NAMESPACE

class QtColorButton : public QToolButton
{
    Q_OBJECT
    Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)
public:
    QtColorButton(QWidget *parent = 0);
    ~QtColorButton();

    bool isBackgroundCheckered() const;
    void setBackgroundCheckered(bool checkered);

    QColor color() const;

public slots:

    void setColor(const QColor &color);

signals:
    void colorChanged(const QColor &color);
protected:
    void paintEvent(QPaintEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
#ifndef QT_NO_DRAGANDDROP
    void dragEnterEvent(QDragEnterEvent *event);
    void dragLeaveEvent(QDragLeaveEvent *event);
    void dropEvent(QDropEvent *event);
#endif
private:
    class QtColorButtonPrivate* d_ptr;
    Q_DECLARE_PRIVATE(QtColorButton)
    Q_DISABLE_COPY(QtColorButton)
    Q_PRIVATE_SLOT(d_func(), void slotEditColor())
};

QT_END_NAMESPACE

#endif