C++ (Cpp) QFutureWatcher::cancel Examples

Example #1

File: basefilefind.cpp Project: KDE/android-qt-creator

void BaseFileFind::cancel()
{
    SearchResult *search = qobject_cast<SearchResult *>(sender());
    QTC_ASSERT(search, return);
    QFutureWatcher<FileSearchResultList> *watcher = m_watchers.key(search);
    QTC_ASSERT(watcher, return);
    watcher->cancel();
}

Example #2

File: task_dispatcher.cpp Project: fanxiaochen/Lily

void TaskDispatcher::cancelRunningTasks(bool wait)
{
  QMutexLocker locker(&mutex_);

  for (size_t i = 0, i_end = active_watchers_.size(); i < i_end; ++ i)
  {
    QFutureWatcher<void>* watcher = dynamic_cast<QFutureWatcher<void>*>(active_watchers_[i]);
    watcher->cancel();
    if (wait)
      watcher->waitForFinished();
  }

  return;
}

Example #3

File: symbolsfindfilter.cpp Project: Gardenya/qtcreator

void SymbolsFindFilter::addResults(int begin, int end)
{
    QFutureWatcher<SearchResultItem> *watcher =
            static_cast<QFutureWatcher<SearchResultItem> *>(sender());
    SearchResult *search = m_watchers.value(watcher);
    if (!search) {
        // search was removed from search history while the search is running
        watcher->cancel();
        return;
    }
    QList<SearchResultItem> items;
    for (int i = begin; i < end; ++i)
        items << watcher->resultAt(i);
    search->addResults(items, SearchResult::AddSorted);
}

Example #4

File: basefilefind.cpp Project: KeeganRen/qt-creator

void BaseFileFind::displayResult(int index) {
    QFutureWatcher<FileSearchResultList> *watcher =
            static_cast<QFutureWatcher<FileSearchResultList> *>(sender());
    SearchResult *search = d->m_watchers.value(watcher);
    if (!search) {
        // search was removed from search history while the search is running
        watcher->cancel();
        return;
    }
    FileSearchResultList results = watcher->resultAt(index);
    QList<SearchResultItem> items;
    foreach (const FileSearchResult &result, results) {
        SearchResultItem item;
        item.path = QStringList() << QDir::toNativeSeparators(result.fileName);
        item.lineNumber = result.lineNumber;
        item.text = result.matchingLine;
        item.textMarkLength = result.matchLength;
        item.textMarkPos = result.matchStart;
        item.useTextEditorFont = true;
        item.userData = result.regexpCapturedTexts;
        items << item;
    }

Example #5

File: tst_qfuturewatcher.cpp Project: Drakey83/steamlink-sdk

void tst_QFutureWatcher::canceled()
{
    const int listSize = 20;
    QList<int> list = createList(listSize);

    QFutureWatcher<void> futureWatcher;
    QFuture<void> future;
    CancelObject cancelObject;

    QObject::connect(&futureWatcher, SIGNAL(canceled()), &cancelObject, SLOT(cancel()));
    QObject::connect(&futureWatcher, SIGNAL(canceled()),
        &QTestEventLoop::instance(), SLOT(exitLoop()), Qt::QueuedConnection);

    future = QtConcurrent::map(list, mapSleeper);
    futureWatcher.setFuture(future);
    futureWatcher.cancel();
    QTestEventLoop::instance().enterLoop(5);
    QVERIFY(!QTestEventLoop::instance().timeout());

    QVERIFY(future.isCanceled());
    QVERIFY(cancelObject.wasCanceled);
    futureWatcher.disconnect();
    future.waitForFinished();
}