"Press and hold" modifiers in Final Cut Pro not working

[Airy]

@FranckWalden

The problem is that despite the macro to simulate holding down the Alt key, it doesn’t work when I stretch the image.

I think you should read this post:

Macro "Select or show a menu item" + key pressed

If the system sends any events, they will have the modifiers set to the real modifiers. If Keyboard Maestro sends any events, it will have the modifiers set as configured in the action. So Press and Hold a Modifier is generally only useful when other things are happening. Such as launching an application: [image] Even then the application may choose to look at the hardware modifiers. Of course, typing the "Lib" will release the option key. I believe it will then be re-pressed. It's pos…

...which says:

If Keyboard Maestro sends any events, it will have the modifiers set as configured in the action.

I think what that means is that the modifiers are set "if KM sends any events" not "if you press the mouse." In other words, the action to press a modifier effects only keystrokes and mouse clicks that are generated by KM, not by you.

There's a chance I'm wrong about this, but that's how I read the post above. Perhaps I can be corrected by one of the real experts here.