2012/2/6 martin rudalics
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> 1. at initialization it starts a grep and looks for something in background
How do you communicate to the tab what the "something" is?
execute 'grep -i foo *' in background , example
> 2. The 'show event should commute to the buffer *grep*
This is the standard buffer switching functionality.
I know how to commute a buffer. In this case of tab, I want the show event to commute to a given buffer.
> 3. when grep finds something, and the tab is hidden , the tab widget to
> change the color
What sense does it make to have a hidden tab change color? And what
kind of event is this in your nomenclature?
Tabs should register a callback for an event , for example, when i/o arrives in the given process...
> 4. The 'close event should kill the *grep* buffer, and the process , if it
> had not finished yet
> Could you do this using buttons in toolbar or menubar, as you insist ?
So far I'd only insist that saving and restoring window configurations
should be done with the menubar rather than with a tab. I never ever
use toolbars but I think that mail handling routines using the toolbar
(could) do such things routinely (inform of new mail, kill a buffer and
remove the associated button when mail has been sent , ...).
Quite so, you can do this functionality using only M-x and calling lisp functions. Or menu entries. But I am sure most people would be happy to be able to define a tab that shows a 'grep process.