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#ifndef COLORBUTTON_H
#define COLORBUTTON_H
#include <QPushButton>
#include <QColor>
#include <QUndoCommand>
class ColorButton : public QPushButton {
Q_OBJECT
public:
ColorButton(QWidget* parent = 0);
QColor get_color();
void set_color(QColor c);
const QColor& getPreviousValue();
private:
QColor color;
QColor previousColor;
void set_button_color();
signals:
void color_changed();
private slots:
void open_dialog();
};
class ColorCommand : public QUndoCommand {
public:
ColorCommand(ColorButton* s, QColor o, QColor n);
void undo();
void redo();
private:
ColorButton* sender;
QColor old_color;
QColor new_color;
};
#endif // COLORBUTTON_H
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