finddialog.h Example File
tutorials/addressbook/part5/finddialog.h

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 #ifndef FINDDIALOG_H
 #define FINDDIALOG_H
 #include <QDialog>

 class QLineEdit;
 class QPushButton;

 class FindDialog : public QDialog
 {
     Q_OBJECT

 public:
     FindDialog(QWidget *parent = 0);
     QString getFindText();

 public slots:
     void findClicked();

 private:
     QPushButton *findButton;
     QLineEdit *lineEdit;
     QString findText;
 };
 #endif