How draw customize toolbar button in QT

[Aleskey]

Hello. Can you please tell me how to create a button marked with attached pictures in this button. This button is needed to quickly customize the control panel.
Thank.

[mrjj]

Hi and welcome to the forums
The normal QToolButton can do it.
You need
a icon and use
https://doc.qt.io/qt-5/qtoolbutton.html#setMenu
to give it the popup menu
and for building the menu you want to set
setCheckable(true) for the QAction you give to menu if you need the checkmark feature.