AppleScript UI Scripting

[Alexander Taylor (Mailing List)]

Hello all,

I’ve made some progress and have QLab scripting mostly working with Blackmagic Media Express. I’m using keyboard commands to switch to the correct pane and then start recording. It works as you would expect, but the commands get passed into QLab as well. So I get an empty audio cue added after I run this script cue. Does anyone have an idea on what I’m missing?

Thanks,
Alexander

> activate application "Blackmagic Media Express"
> tell application "System Events" to tell process "Blackmagic Media Express"
> keystroke "1" using {command down} -- Command-1
> end tell
> delay 5
> tell application "System Events" to tell process "Blackmagic Media Express"
> key code 15 using {command down} -- Command-r
> end tell

[Rich Walsh]

That implies the cmd-1 keystroke is hitting QLab not your other app. Is the other app running and becoming active fast enough? Are you running this script as a separate process? I'd recommend not, as you want QLab to wait for the script to finish before coming back into focus when you're throwing keystrokes around.

You don't need to tell processes about keystrokes: you only need to tell processes when scripting UI elements; keystroke and key code can be used directly (in the absence of anything in the language guide, this thread covers the basics pretty well: http://apple.stackexchange.com/questions/36943/how-do-i-automate-a-key-press-in-applescript). I guess keyboard interaction is sent to the active application, whereas clicking can be done on any process you can see, active or not.

Try this form and see if it helps:

tell application "Blackmagic Media Express"

activate

tell application "System Events"

keystroke "1" using {command down} -- Command-1

delay 5

key code 15 using {command down} -- Command-r

end tell

end tell

Are you 100% sure the pane switch is happening, and your other app doesn't just happen to be on the correct pane already? If the cmd-1 is sent before the other app activates – which it does during the delay – then this would create your phantom Audio Cue.

Rich

[Alexander Taylor (Mailing List)]

Here’s the strange part - the other program becomes active, and does the correct command-1 action.  QLab does it at the same time, in the background.  That’s what’s so confusing to me!

I can definitely see the pane switching, I’ll try your code and see how it goes.  As I said, the Media Express side works correctly, just don’t want QLab doing it in the background...

Thanks again,

Alexander

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[Alexander Taylor (Mailing List)]

Just tried that new code, worked quite well!

Thanks,

Alexander

[crccpro...@gmail.com]

Thia code works well to start the process....is the there one to stop the recording? and does anyone know how to automatically "keep" the existing file and not overwrite the recording?