123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2020 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QABSTRACTEVENTDISPATCHER_H
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#define QABSTRACTEVENTDISPATCHER_H
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#include <QtCore/qobject.h>
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#include <QtCore/qeventloop.h>
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QT_BEGIN_NAMESPACE
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class QAbstractNativeEventFilter;
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class QAbstractEventDispatcherPrivate;
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class QSocketNotifier;
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#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
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class QWinEventNotifier;
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#endif
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class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
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public:
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struct TimerInfo
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{
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int timerId;
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int interval;
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Qt::TimerType timerType;
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inline TimerInfo(int id, int i, Qt::TimerType t)
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: timerId(id), interval(i), timerType(t)
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{ }
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};
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explicit QAbstractEventDispatcher(QObject *parent = nullptr);
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~QAbstractEventDispatcher();
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static QAbstractEventDispatcher *instance(QThread *thread = nullptr);
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virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;
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virtual bool hasPendingEvents() = 0; // ### Qt6: remove, mark final or make protected
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virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;
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virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;
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// ### Qt6: change interval range to qint64 (or use QDeadlineTimer)
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int registerTimer(int interval, Qt::TimerType timerType, QObject *object);
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virtual void registerTimer(int timerId, int interval, Qt::TimerType timerType, QObject *object) = 0;
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virtual bool unregisterTimer(int timerId) = 0;
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virtual bool unregisterTimers(QObject *object) = 0;
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virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;
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virtual int remainingTime(int timerId) = 0;
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#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
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virtual bool registerEventNotifier(QWinEventNotifier *notifier) = 0;
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virtual void unregisterEventNotifier(QWinEventNotifier *notifier) = 0;
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#endif
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virtual void wakeUp() = 0;
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virtual void interrupt() = 0;
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virtual void flush() = 0; // ### Qt6: remove, mark final or make protected
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virtual void startingUp();
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virtual void closingDown();
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void installNativeEventFilter(QAbstractNativeEventFilter *filterObj);
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void removeNativeEventFilter(QAbstractNativeEventFilter *filterObj);
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bool filterNativeEvent(const QByteArray &eventType, void *message, qintptr *result);
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Q_SIGNALS:
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void aboutToBlock();
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void awake();
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protected:
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QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,
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QObject *parent);
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};
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Q_DECLARE_TYPEINFO(QAbstractEventDispatcher::TimerInfo, Q_PRIMITIVE_TYPE);
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QT_END_NAMESPACE
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#endif // QABSTRACTEVENTDISPATCHER_H
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