On macOS, references to “Ctrl”, CTRL , Key_Control and ControlModifier correspond to the Command keys on the Macintosh keyboard, and references to “Meta”, META , Key_Meta and MetaModifier correspond to the Control keys. Developers on macOS can use the same shortcut descriptions across all platforms, and their applications will automatically work as expected on macOS.

### 参考

https://doc.qt.io/qtforpython-5/PySide2/QtGui/QKeySequence.html#more

PyQt QShortcut

Quick Colour Changing

PyQt print event