qvalidatedlineedit.h

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#ifndef QVALIDATEDLINEEDIT_H
#define QVALIDATEDLINEEDIT_H

#include <QLineEdit>

class QValidatedLineEdit : public QLineEdit
{
    Q_OBJECT

public:
    explicit QValidatedLineEdit(QWidget *parent = 0);
    void clear();

protected:
    void focusInEvent(QFocusEvent *evt);

private:
    bool valid;

public slots:
    void setValid(bool valid);

private slots:
    void markValid();
};

#endif // QVALIDATEDLINEEDIT_H