devicehandlerlist_p.h

Enable keyboard shortcuts

// Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H

#define QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QString>

#include <private/qglobal_p.h>

#include <vector>

#include <memory>

namespace QtInputSupport {

template <typename Handler>

class DeviceHandlerList {

public:

    struct Device {

    #ifndef __cpp_aggregate_paren_init

        Q_IMPLICIT Device(QString s, std::unique_ptr<Handler> p)

            : deviceNode(std::move(s)), handler(std::move(p)) {}

    #endif

        QString deviceNode;

        std::unique_ptr<Handler> handler;

};

    void add(QString deviceNode, std::unique_ptr<Handler> handler)

        v.emplace_back(std::move(deviceNode), std::move(handler));

    bool remove(const QString &deviceNode)

        const auto deviceNodeMatches = [&] (const Device &d) { return d.deviceNode == deviceNode; };

        const auto it = std::find_if(v.cbegin(), v.cend(), deviceNodeMatches);

        if (it == v.cend())

            return false;

        v.erase(it);

        return true;

    int count() const noexcept { return static_cast<int>(v.size()); }

    typename std::vector<Device>::const_iterator begin() const noexcept { return v.begin(); }

    typename std::vector<Device>::const_iterator end() const  noexcept { return v.end(); }

private:

    std::vector<Device> v;

};

} // QtInputSupport

#endif // QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H