qt5base-lts/examples/network/googlesuggest/googlesuggest.h

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#ifndef GOOGLESUGGEST_H
#define GOOGLESUGGEST_H

#include <QtWidgets>
#include <QtNetwork>
#include <QObject>

QT_BEGIN_NAMESPACE
class QLineEdit;
class QNetworkReply;
class QTimer;
class QTreeWidget;
QT_END_NAMESPACE

//! [1]
class GSuggestCompletion : public QObject
{
    Q_OBJECT

public:
    GSuggestCompletion(QLineEdit *parent = 0);
    ~GSuggestCompletion();
    bool eventFilter(QObject *obj, QEvent *ev) Q_DECL_OVERRIDE;
    void showCompletion(const QStringList &choices);

public slots:

    void doneCompletion();
    void preventSuggest();
    void autoSuggest();
    void handleNetworkData(QNetworkReply *networkReply);

private:
    QLineEdit *editor;
    QTreeWidget *popup;
    QTimer *timer;
    QNetworkAccessManager networkManager;
};
//! [1]
#endif // GOOGLESUGGEST_H