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41
42#ifndef QABSTRACTEVENTDISPATCHER_H
43#define QABSTRACTEVENTDISPATCHER_H
44
45#include <QtCore/qobject.h>
46#include <QtCore/qeventloop.h>
47
48QT_BEGIN_HEADER
49
50QT_BEGIN_NAMESPACE
51
52QT_MODULE(Core)
53
54class QAbstractEventDispatcherPrivate;
55class QSocketNotifier;
56template <typename T1, typename T2> struct QPair;
57
58class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject
59{
60 Q_OBJECT
61 Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
62
63public:
64 typedef QPair<int, int> TimerInfo;
65
66 explicit QAbstractEventDispatcher(QObject *parent = 0);
67 ~QAbstractEventDispatcher();
68
69 static QAbstractEventDispatcher *instance(QThread *thread = 0);
70
71 virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;
72 virtual bool hasPendingEvents() = 0;
73
74 virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;
75 virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;
76
77 int registerTimer(int interval, QObject *object);
78 virtual void registerTimer(int timerId, int interval, QObject *object) = 0;
79 virtual bool unregisterTimer(int timerId) = 0;
80 virtual bool unregisterTimers(QObject *object) = 0;
81 virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;
82
83 virtual void wakeUp() = 0;
84 virtual void interrupt() = 0;
85 virtual void flush() = 0;
86
87 virtual void startingUp();
88 virtual void closingDown();
89
90 typedef bool(*EventFilter)(void *message);
91 EventFilter setEventFilter(EventFilter filter);
92 bool filterEvent(void *message);
93
94Q_SIGNALS:
95 void aboutToBlock();
96 void awake();
97
98protected:
99 QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,
100 QObject *parent);
101};
102
103QT_END_NAMESPACE
104
105QT_END_HEADER
106
107#endif // QABSTRACTEVENTDISPATCHER_H
108