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39
40 #ifndef QBASICTIMER_H
41 #define QBASICTIMER_H
42
43 #include <QtCore/qglobal.h>
44 #include <QtCore/qnamespace.h>
45
46 QT_BEGIN_NAMESPACE
47
48
49 class QObject;
50
51 class Q_CORE_EXPORT QBasicTimer
52 {
53 int id;
54 #if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
Q_DISABLE_COPY(QBasicTimer)55 Q_DISABLE_COPY(QBasicTimer)
56 #elif QT_DEPRECATED_SINCE(5, 14)
57 public:
58 // Just here to preserve BC, we can't remove them yet
59 QT_DEPRECATED_X("copy-construction is unsupported; use move-construction instead")
60 QBasicTimer(const QBasicTimer &);
61 QT_DEPRECATED_X("copy-assignment is unsupported; use move-assignment instead")
62 QBasicTimer &operator=(const QBasicTimer &);
63 #endif
64
65 public:
66 constexpr QBasicTimer() noexcept : id{0} {}
~QBasicTimer()67 inline ~QBasicTimer() { if (id) stop(); }
68
QBasicTimer(QBasicTimer && other)69 QBasicTimer(QBasicTimer &&other) noexcept
70 : id{qExchange(other.id, 0)}
71 {}
72
73 QBasicTimer& operator=(QBasicTimer &&other) noexcept
74 {
75 QBasicTimer{std::move(other)}.swap(*this);
76 return *this;
77 }
78
swap(QBasicTimer & other)79 void swap(QBasicTimer &other) noexcept { qSwap(id, other.id); }
80
isActive()81 bool isActive() const noexcept { return id != 0; }
timerId()82 int timerId() const noexcept { return id; }
83
84 void start(int msec, QObject *obj);
85 void start(int msec, Qt::TimerType timerType, QObject *obj);
86 void stop();
87 };
88 Q_DECLARE_TYPEINFO(QBasicTimer, Q_MOVABLE_TYPE);
89
swap(QBasicTimer & lhs,QBasicTimer & rhs)90 inline void swap(QBasicTimer &lhs, QBasicTimer &rhs) noexcept { lhs.swap(rhs); }
91
92 QT_END_NAMESPACE
93
94 #endif // QBASICTIMER_H
95