diff options
Diffstat (limited to 'src/corelib/thread/qfuturewatcher.cpp')
| -rw-r--r-- | src/corelib/thread/qfuturewatcher.cpp | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/corelib/thread/qfuturewatcher.cpp b/src/corelib/thread/qfuturewatcher.cpp index 06bc4740f9..6be624d234 100644 --- a/src/corelib/thread/qfuturewatcher.cpp +++ b/src/corelib/thread/qfuturewatcher.cpp @@ -114,8 +114,8 @@ QFutureWatcherBase::QFutureWatcherBase(QObject *parent) /*! \fn template <typename T> void QFutureWatcher<T>::cancel() Cancels the asynchronous computation represented by the future(). Note that - the cancelation is asynchronous. Use waitForFinished() after calling - cancel() when you need synchronous cancelation. + the cancellation is asynchronous. Use waitForFinished() after calling + cancel() when you need synchronous cancellation. Currently available results may still be accessed on a canceled QFuture, but new results will \e not become available after calling this function. @@ -511,9 +511,15 @@ void QFutureWatcherBasePrivate::sendCallOutEvent(QFutureCallOutEvent *event) Starts watching the given \a future. - One of the signals might be emitted for the current state of the - \a future. For example, if the future is already stopped, the - finished signal will be emitted. + If \a future has already started, the watcher will initially emit signals + that bring their listeners up to date about the future's state. The + following signals will, if applicable, be emitted in the given order: + started(), progressRangeChanged(), progressValueChanged(), + progressTextChanged(), resultsReadyAt(), resultReadyAt(), paused(), + canceled(), and finished(). Of these, resultsReadyAt() and + resultReadyAt() may be emitted several times to cover all available + results. progressValueChanged() and progressTextChanged() will only be + emitted once for the latest available progress value and text. To avoid a race condition, it is important to call this function \e after doing the connections. |