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-rw-r--r--examples/qtconcurrent/progressdialog/main.cpp53
1 files changed, 0 insertions, 53 deletions
diff --git a/examples/qtconcurrent/progressdialog/main.cpp b/examples/qtconcurrent/progressdialog/main.cpp
deleted file mode 100644
index 702f59e910..0000000000
--- a/examples/qtconcurrent/progressdialog/main.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include <QtWidgets>
-#include <QtConcurrent>
-
-#include <functional>
-
-using namespace QtConcurrent;
-
-int main(int argc, char **argv)
-{
- QApplication app(argc, argv);
-
- const int iterations = 20;
-
- // Prepare the list.
- QList<int> list;
- for (int i = 0; i < iterations; ++i)
- list.append(i);
-
- // Create a progress dialog.
- QProgressDialog dialog;
- dialog.setLabelText(QString("Progressing using %1 thread(s)...").arg(QThread::idealThreadCount()));
-
- // Create a QFutureWatcher and connect signals and slots.
- QFutureWatcher<void> futureWatcher;
- QObject::connect(&futureWatcher, &QFutureWatcher<void>::finished, &dialog, &QProgressDialog::reset);
- QObject::connect(&dialog, &QProgressDialog::canceled, &futureWatcher, &QFutureWatcher<void>::cancel);
- QObject::connect(&futureWatcher, &QFutureWatcher<void>::progressRangeChanged, &dialog, &QProgressDialog::setRange);
- QObject::connect(&futureWatcher, &QFutureWatcher<void>::progressValueChanged, &dialog, &QProgressDialog::setValue);
-
- // Our function to compute
- std::function<void(int&)> spin = [](int &iteration) {
- const int work = 1000 * 1000 * 40;
- volatile int v = 0;
- for (int j = 0; j < work; ++j)
- ++v;
-
- qDebug() << "iteration" << iteration << "in thread" << QThread::currentThreadId();
- };
-
- // Start the computation.
- futureWatcher.setFuture(QtConcurrent::map(list, spin));
-
- // Display the dialog and start the event loop.
- dialog.exec();
-
- futureWatcher.waitForFinished();
-
- // Query the future to check if was canceled.
- qDebug() << "Canceled?" << futureWatcher.future().isCanceled();
-}