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I have a program that interprets the input from my mouse and provides multitouch gestures. I wrote it using a game engine, which always creates a window when it runs. I'd like to run this program without seeing the window, so this is the point of the questions:

Can invoke a graphical program but have the window hidden?

By hidden I mean anything that keeps me from encountering the window on my desktop. So I would accept something like, "open on a different, previously non-existant screen."

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Which Desktop Environment? What language did you use to write the code? –  wojox Mar 31 '12 at 18:45
    
I am interested in both Gnome and Ubuntu Unity desktop environments. As for languages, I will accept nearly anything, as I don't mind writing a tool in one that I can invoke in another. If you must have one, assume BASH. –  Willi Ballenthin Apr 1 '12 at 20:10
    
Are you still looking for help with this or have you solved the problem? –  coversnail Apr 5 '12 at 15:27
    
I would still like to know if this is possible. –  Willi Ballenthin Apr 5 '12 at 18:01
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1 Answer 1

The tool devilspie (available in 12.04 from repository) can act on new or already present windows, in a way at least similar to what you want.

You will need to create a configuration file, by convention something like .devilspie/my-app.ds. The configuration language is funky lisp-style poorly-documented abomination, but should be able to do what you want.

You need a way to (i) identify your window and (ii) decide on the action. If, for example, your window's title happened to contain "my-app" and you wanted to always put that window on 2nd workspace, this file would contain:

(if (contains (application_name) "my-app") (set_workspace 2))

Next, start it: devilspie -a ~/.devilspie/my-app.ds, and it should act on current and future windows (without -a only on future windows).

This might not be exactly what you want, for example (minimize) instead of (set_workspace 2) perhaps suits you better. The man page has a listing of all the symbols and their meanings, I hope you find a solution there.

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