Well, I will solve it by scripting the shortcut and mouse click. I was hoping for a more direct solution. Thanks.
Also, here’s an idea for the UI - Mouse Gestures.
Add it to our discussion for - A complete UI overhaul of Rhino would be a much welcomed move

This is a recording from Vivaldi browser.
Assigning a shortcut plus a mouse gesture would make for an awesome way to invoke shortcuts.
This would especially be useful for all of us that work with graphic pens.