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Touch bar on Macbook inserts invisible characters?

W. Craig Carter, MIT
Posted 6 years ago

On a Mac with a touchbar, if my finger slips and hits any of F2-F12, an invisible character .00 is entered. It would be ok if I could see the character and find the error. But, I can't see it as it is, ummm, invisible. (I've been copying and pasting every input to a vi buffer to look for the .00, or showing the cell contents with Shift-Control-E)

Is there any way to make .00 show up as a visible character? Or better yet, map F2-12 to something other than entering a visible character?

I've tried adding to KeyEventsTranslations.tr:

Item[KeyEvent["F3"], SelectionHelpDialog[False]]

etc

Item[KeyEvent["F12"], SelectionHelpDialog[False]]

Mathematica 12 doesn't show the touch bar in ControllerState[].

I'm completely stuck. My only solution so far is to attach an external keyboard.

This is a repost of https://mathematica.stackexchange.com/questions/197419/mac-touch-bar-and-hidden-characters?noredirect=1#comment511567_197419
POSTED BY: W. Craig Carter
4 Replies
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Thank you @vitaliy (as always, helpful) and thank you very much @Neil Singer
POSTED BY: W. Craig Carter

@W. Craig Carter, thanks for the report, - I've passed this to our teams. @Neil Singer, thank you for the advice!
POSTED BY: Vitaliy Kaurov

The other thing you can do is go to the keyboard settings and make the touchbar show something other than the function keys and have the fn key show the function keys when pressed. (this is what I use as a default)

enter image description here
POSTED BY: Neil Singer

Craig,

Go to SystemPreferences->Keyboard->shortcuts. Click on App Shortcuts and click on +. In the dialog you choose "Mathematica" and assign the function keys you hit to an innocuous function or keystroke. For example you can set F2->Evaluate Cell. Now if you hit the function key by mistake it will evaluate a cell and not add any keystrokes.

I also use this to assign menu items without any shortcuts to my own shortcuts. For example, there is no shortcut for making a cell Evaluatable -- so I made one.

enter image description here

Regards,

Neil
POSTED BY: Neil Singer
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