I see.  I had assumed there was a simple way to tell. I'm coming from
the Windows platform where a console application has one bit set in
the program's header by the linker (or not set if it's a GUI app.)
Maybe I'll just leave this one as a terminal app, at least for now.  I
just think it sucks that if you double-click on it, nothing happens.



On Sep 22, 12:17 am, Joe Wollard <[email protected]> wrote:
> Ah, I see what you're asking now. Sorry about that. The only thing  
> that comes to mind is an examination of the process lineage. This is  
> shooting from the hip, but perhaps if the program is launched from the  
> terminal, its immediate parent would be bash or sh or similar. I'm not  
> sure what the parent process would be in gnome though. Maybe gnome-
> session?
>
> Like I said, I'm shooting from the hip on this one. There's bound to  
> be a more elegant way of doing what you need. You might look at some  
> of the system-config-* scripts from the fedora project. I believe they  
> kind of do what you need. They are written in python, but they might  
> be a good starting point if nothing else.
>
> ---
> Joe Wollard
>
> On Sep 22, 2009, at 1:01 AM, Dos-Man 64 <[email protected]> wrote:
>
>
>
>
>
> > Is it that complicated just for the application to tell if the user
> > executed it from a terminal session?  I can easily write wrap 2
> > versions of the app (C++) in the same executable, the problem is I
> > can't tell which version to "run" if I can't tell if the program was
> > invoked from a shell session.
>
> > On Sep 21, 11:53 pm, Joe Wollard <[email protected]> wrote:
> >> You need to research the MVC (model, view, controller) pattern. Using
> >> that programing pattern is going to help you write code that can use
> >> the exact same bacground logic yet still use the native display
> >> language. e.g. Qt for KDE, gtk for Gnome, or good ol text for the
> >> terminal.
>
> >> It's tough to wrap your head around it at first, but once you've got
> >> it you won't want to program any other way.
>
> >> Happy coding!
>
> >> ---
> >> Joe Wollard
>
> >> On Sep 22, 2009, at 12:05 AM, Dos-Man 64 <[email protected]> wrote:
>
> >>> I'm just finishing up my first utility that shows the amount of  
> >>> memory
> >>> and the amount of free memory.  It's a terminal app.  I'm  
> >>> wondering if
> >>> it can also be a GUI app or is it common to create 2 different
> >>> versions?   From a programming perspective, I'm not sure how to tell
> >>> if the application is executing in a shell session or not...
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