New window doesn't open even though I initialize QMainWindow parent class

(PyQt) QSortFilterProxyModel very slow when sorting

PyQt5 5.15.2 Raspberry Pi issues

Issue when passing a pointer to a SLOT from a SIGNAL with QObject::connect

display multimedia camera in QT3D

How to change the selected row's color in TreeView of QML?

Custom Plot Picker Design

When searching all files in project don't include binaries (e.g. .exe)

Qt finding header files

Remove tab in event not thread safe? Having an assert making the app crashing.

New window doesn't open even though I initialize QMainWindow parent class

Hello there!

I'm currently working on a project for my resumé that is supposed to be a GUI based login system. It's been going pretty well until now. I want to open a new window for the LoggedIn...

(PyQt) QSortFilterProxyModel very slow when sorting

Hi, I have a table with two columns and approx. 50.000 rows of data. When I use the QSortFilterProxyModel, sorting is painfully slow.
I implemented a test model with one column and 500.000 string...

Re: The problem of paint() function in Qgraphicsitem?

I have no idea what you mean by "draw the process".



What do you expect? You apparently have two images, each of them with 100 million pixels, and you are using an interpreted language to draw...

The problem of paint() function in Qgraphicsitem?

I want to make a function of drawing image content after pressing the mouse. You can draw color and transparent channels

1:The painter parameter in the paint() function can only display images,...

Re: Issue occurring with successive calls to QX11EmbedContainer::embedClient()

Seems like there should be a call to discardClient() when you close the external application. My guess is that the container is still reserving space for the client because it may not know that the...