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**
** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of Qt Creator.
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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#ifndef LOCATORWIDGET_H
#define LOCATORWIDGET_H

#include "locator.h"

#include <QWidget>

QT_BEGIN_NAMESPACE
class QAction;
class QLabel;
class QLineEdit;
class QMenu;
class QTreeView;
QT_END_NAMESPACE

namespace Utils { class FancyLineEdit; }

namespace Core {
namespace Internal {

class LocatorModel;
class CompletionList;

class LocatorWidget
  : public QWidget
{
    Q_OBJECT

public:
    explicit LocatorWidget(Locator *qop);

    void updateFilterList();

    void show(const QString &text, int selectionStart = -1, int selectionLength = 0);

    void setPlaceholderText(const QString &text);

private slots:
    void showPopup();
    void showPopupNow();
    void acceptCurrentEntry();
    void filterSelected();
    void showConfigureDialog();
    void updateEntries();
    void scheduleAcceptCurrentEntry();
    void setFocusToCurrentMode();

private:
    bool eventFilter(QObject *obj, QEvent *event);

    void showEvent(QShowEvent *e);

    void showCompletionList();
    void updateCompletionList(const QString &text);
    QList<ILocatorFilter*> filtersFor(const QString &text, QString &searchText);

    Locator *m_locatorPlugin;
    LocatorModel *m_locatorModel;

    CompletionList *m_completionList;
    QMenu *m_filterMenu;
    QAction *m_refreshAction;
    QAction *m_configureAction;
    Utils::FancyLineEdit *m_fileLineEdit;
    QTimer *m_showPopupTimer;
    QFutureWatcher<LocatorFilterEntry> *m_entriesWatcher;
    QMap<Core::Id, QAction *> m_filterActionMap;
    QString m_requestedCompletionText;
    bool m_updateRequested;
    bool m_acceptRequested;
    bool m_possibleToolTipRequest;
};

} // namespace Internal
} // namespace Core

#endif // LOCATORWIDGET_H
