If you’re coming here from Google and not having luck with the accepted answer, that’s because you’re missing the other secret invocation: QScrollArea::setWidget. You must create and explicitly identify a single widget which is to be scrolled. It’s not enough to just add the item as a child! Adding multiple items directly to the ScrollArea … Read more
This answer is thanks to Matthias BUSSONNIER from the ipython-users mailing list. When I close the window of the running demo application, I see this error: An exception has occurred, use %tb to see the full traceback. SystemExit: 0 Just don’t use sys.exit(0) as you are not exiting python, but still running IPython. Add it … Read more
To get the latest PySide, install one of the official binary wheels from PyPI which includes a bundled Qt and is therefore fully portable. For Qt5 – [Python 2.7 / Python >= 3.5]: pip install pyside2 For Qt6 – [Python >= 3.6]: pip install pyside6 The information presented in the section below relates to PySide-1.2/Qt4 … Read more
It should be enough to create an empty virtualenv and then copy the contents of the …/site-packages/PyQt4 directories into it. I suggest to install PyQt4 once globally, make a copy of the directory, uninstall it and then use this trick to create VEs.
Override the closeEvent method of QWidget in your main window. For example: class MainWindow(QWidget): # or QMainWindow … def closeEvent(self, event): # do stuff if can_exit: event.accept() # let the window close else: event.ignore() Another possibility is to use the QApplication‘s aboutToQuit signal like this: app = QApplication(sys.argv) app.aboutToQuit.connect(myExitHandler) # myExitHandler is a callable
Set the WA_StyledBackground attribute on the container widget: ui = MainWindow() ui.setupUi(mainwindow) ui.widget.setAttribute(QtCore.Qt.WA_StyledBackground, True) (PS: for performance reasons, this attribute isn’t set by default for some widget classes – but the documentation doesn’t seem to specifiy which ones).