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Fix compilation with Qt older then 5.7

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This commit is contained in:
Gioacchino Mazzurco 2018-11-01 15:27:46 +01:00
parent 367c5182cf
commit 7aaf29c3de
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GPG Key ID: A1FBCA3872E87051
1 changed files with 16 additions and 0 deletions
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16
retroshare-gui/src/util/qtthreadsutils.h
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@ -31,6 +31,9 @@ namespace RsQThreadUtils {
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
/**
* @brief execute given function in the QThread where given QObject belongs
*/
template <typename F>
void postToObject(F &&fun, QObject *obj = qApp)
{
@ -46,6 +49,9 @@ void postToObject(F &&fun, QObject *obj = qApp)
}, Qt::QueuedConnection );
}
/**
* @brief execute given function in the given QThread
*/
template <typename F>
void postToThread(F &&fun, QThread *thread = qApp->thread())
{
@ -75,11 +81,18 @@ struct FEvent : QEvent
QEvent(QEvent::None), obj(obj), fun(std::forward<Fun>(fun)) {}
~FEvent()
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
// ensure that the object is not being destructed
if (obj->metaObject()->inherits(type)) fun();
#else // QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
fun();
#endif // QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
}
};
/**
* @brief execute given function in the QThread where given QObject belongs
*/
template <typename F>
static void postToObject(F &&fun, QObject *obj = qApp)
{
@ -88,6 +101,9 @@ static void postToObject(F &&fun, QObject *obj = qApp)
QCoreApplication::postEvent(obj, new FEvent<F>(obj, std::forward<F>(fun)));
}
/**
* @brief execute given function in the given QThread
*/
template <typename F>
static void postToThread(F &&fun, QThread *thread = qApp->thread())
{