Greying out buttons

[KenSingleton]

In traditional GUI environments there is usually a simple way to grey out a button when it is not meant to be used and an equally simple way to reveal it so that it can be used. How would one do such a thing in VID?

I know that you can show and hide buttons, but is there a way to hide buttons at the first viewing of a face and then reveal only the buttons as needed through the show word in a button's action block?

The reason I need this is to create a step by step process where the next step can only work when the previous step has been completed. Only at that point should the next button be revealed.

Regards, Ken.

[Sunanda]

Try this:

Code:

  view/new layout [a: button "hello"]
  hide/show a
  do-events

The view/new displays the layout but allows the script to continue.
The hide adjusts the layout to how you want it (in this case, hiding a button)
The do-events drops you into the GUI event loop in the same way that the usual view would do.

[KenSingleton]

Wow! Fastest reply ever, and it works! Thanks, Sunanda, you're a star.

[Anton]

If you want to keep it in spec:

Code:

view layout [button with [show?: false]]