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2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
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6 | ** This file is part of the QtTest module of the Qt Toolkit. |
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29 | ** GNU General Public License Usage |
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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QTESTEVENTLOOP_H |
43 | #define QTESTEVENTLOOP_H |
44 | |
45 | #include <QtTest/qtest_global.h> |
46 | |
47 | #include <QtCore/qcoreapplication.h> |
48 | #include <QtCore/qeventloop.h> |
49 | #include <QtCore/qobject.h> |
50 | #include <QtCore/qpointer.h> |
51 | |
52 | QT_BEGIN_HEADER |
53 | |
54 | QT_BEGIN_NAMESPACE |
55 | |
56 | QT_MODULE(Test) |
57 | |
58 | class Q_TESTLIB_EXPORT QTestEventLoop : public QObject |
59 | { |
60 | Q_OBJECT |
61 | |
62 | public: |
63 | inline QTestEventLoop(QObject *aParent = 0) |
64 | : QObject(aParent), inLoop(false), _timeout(false), timerId(-1), loop(0) {} |
65 | inline void enterLoop(int secs); |
66 | |
67 | |
68 | inline void changeInterval(int secs) |
69 | { killTimer(timerId); timerId = startTimer(secs * 1000); } |
70 | |
71 | inline bool timeout() const |
72 | { return _timeout; } |
73 | |
74 | inline static QTestEventLoop &instance() |
75 | { |
76 | static QPointer<QTestEventLoop> testLoop; |
77 | if (testLoop.isNull()) |
78 | testLoop = new QTestEventLoop(QCoreApplication::instance()); |
79 | return *static_cast<QTestEventLoop *>(testLoop); |
80 | } |
81 | |
82 | public Q_SLOTS: |
83 | inline void exitLoop(); |
84 | |
85 | protected: |
86 | inline void timerEvent(QTimerEvent *e); |
87 | |
88 | private: |
89 | bool inLoop; |
90 | bool _timeout; |
91 | int timerId; |
92 | |
93 | QEventLoop *loop; |
94 | }; |
95 | |
96 | inline void QTestEventLoop::enterLoop(int secs) |
97 | { |
98 | Q_ASSERT(!loop); |
99 | |
100 | QEventLoop l; |
101 | |
102 | inLoop = true; |
103 | _timeout = false; |
104 | |
105 | timerId = startTimer(secs * 1000); |
106 | |
107 | loop = &l; |
108 | l.exec(); |
109 | loop = 0; |
110 | } |
111 | |
112 | inline void QTestEventLoop::exitLoop() |
113 | { |
114 | if (timerId != -1) |
115 | killTimer(timerId); |
116 | timerId = -1; |
117 | |
118 | if (loop) |
119 | loop->exit(); |
120 | |
121 | inLoop = false; |
122 | } |
123 | |
124 | inline void QTestEventLoop::timerEvent(QTimerEvent *e) |
125 | { |
126 | if (e->timerId() != timerId) |
127 | return; |
128 | _timeout = true; |
129 | exitLoop(); |
130 | } |
131 | |
132 | QT_END_NAMESPACE |
133 | |
134 | QT_END_HEADER |
135 | |
136 | #endif |
137 |
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