Qt busy indicator

Question

I want to include a native Qt busy indicator in my app, but I'm not sure how to add it, because it is a part of QML, and I write my app in c++.

http://wiki.qt.io/Busy-Indicator-for-QML

Answer 1

I have found that QML components can be included with QQuickWidget. That way, QML BusyIndicator is easily added to C++ applications. http://doc.qt.io/qt-5/qquickwidget.html

Answer 2

Without recurring to third-party implementations or subclassing a widget, the only way I know to display a busy indicator with standard QWidgets is:

QProgressBar* bar = new QProgressBar();
bar->setRange(0,0);

This will show an "indeterminate" progress bar.