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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QEVENTDISPATCHER_WIN_P_H
#define QEVENTDISPATCHER_WIN_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 "QtCore/qabstracteventdispatcher.h"
#include "QtCore/qt_windows.h"
#include "QtCore/qhash.h"
#include "QtCore/qatomic.h"
#include "qabstracteventdispatcher_p.h"
QT_BEGIN_NAMESPACE
class QEventDispatcherWin32Private;
// forward declaration
LRESULT QT_WIN_CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp);
quint64 qt_msectime();
class Q_CORE_EXPORT QEventDispatcherWin32 : public QAbstractEventDispatcher
{
Q_OBJECT
Q_DECLARE_PRIVATE(QEventDispatcherWin32)
public:
explicit QEventDispatcherWin32(QObject *parent = nullptr);
~QEventDispatcherWin32();
bool QT_ENSURE_STACK_ALIGNED_FOR_SSE processEvents(QEventLoop::ProcessEventsFlags flags) override;
void registerSocketNotifier(QSocketNotifier *notifier) override;
void unregisterSocketNotifier(QSocketNotifier *notifier) override;
void registerTimer(int timerId, qint64 interval, Qt::TimerType timerType, QObject *object) override;
bool unregisterTimer(int timerId) override;
bool unregisterTimers(QObject *object) override;
QList<TimerInfo> registeredTimers(QObject *object) const override;
int remainingTime(int timerId) override;
void wakeUp() override;
void interrupt() override;
void startingUp() override;
void closingDown() override;
bool event(QEvent *e) override;
HWND internalHwnd();
protected:
QEventDispatcherWin32(QEventDispatcherWin32Private &dd, QObject *parent = nullptr);
virtual void sendPostedEvents();
void doUnregisterSocketNotifier(QSocketNotifier *notifier);
private:
friend LRESULT QT_WIN_CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp);
};
struct QSockNot {
QSocketNotifier *obj;
int fd;
};
typedef QHash<int, QSockNot *> QSNDict;
struct QSockFd {
long event;
long mask;
bool selected;
explicit inline QSockFd(long ev = 0, long ma = 0) : event(ev), mask(ma), selected(false) { }
};
typedef QHash<int, QSockFd> QSFDict;
struct WinTimerInfo { // internal timer info
QObject *dispatcher;
int timerId;
qint64 interval;
Qt::TimerType timerType;
quint64 timeout; // - when to actually fire
QObject *obj; // - object to receive events
bool inTimerEvent;
UINT fastTimerId;
};
class QZeroTimerEvent : public QTimerEvent
{
public:
explicit inline QZeroTimerEvent(int timerId)
: QTimerEvent(timerId)
{ t = QEvent::ZeroTimerEvent; }
};
typedef QHash<int, WinTimerInfo*> WinTimerDict; // fast dict of timers
class Q_CORE_EXPORT QEventDispatcherWin32Private : public QAbstractEventDispatcherPrivate
{
Q_DECLARE_PUBLIC(QEventDispatcherWin32)
public:
QEventDispatcherWin32Private();
~QEventDispatcherWin32Private();
QAtomicInt interrupt;
// internal window handle used for socketnotifiers/timers/etc
HWND internalHwnd;
// for controlling when to send posted events
UINT_PTR sendPostedEventsTimerId;
QAtomicInt wakeUps;
void startPostedEventsTimer();
// timers
WinTimerDict timerDict;
void registerTimer(WinTimerInfo *t);
void unregisterTimer(WinTimerInfo *t);
void sendTimerEvent(int timerId);
// socket notifiers
QSNDict sn_read;
QSNDict sn_write;
QSNDict sn_except;
QSFDict active_fd;
bool activateNotifiersPosted;
void postActivateSocketNotifiers();
void doWsaAsyncSelect(int socket, long event);
bool closingDown = false;
QList<MSG> queuedUserInputEvents;
QList<MSG> queuedSocketEvents;
};
QT_END_NAMESPACE
#endif // QEVENTDISPATCHER_WIN_P_H
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