💻 **Python GUIs: How to Add Custom Widgets to Qt Designer — Use widget promotion to integrate your own Python widgets into Qt Designer layouts**

Can I use custom widgets in Qt Designer? When you're building Python GUI applications with PyQt6 and Qt Designer, you'll reach a point where the built-in widgets aren't enough. Maybe you've created a custom plotting widget or a specialized input control in Python, and you want to...

🔗 https://www.pythonguis.com/faq/add-widgets-in-a-kind-of-library-show-in-the-qt-designer/

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