[openbox] Openbox + flightgear

[Dana Jansens]

On Sat, Aug 14, 2010 at 2:06 PM, Yan Seiner <yan at seiner.com> wrote:
> Yan Seiner wrote:
>>
>> I am trying to build an "appliance" that runs flightgear (flightgear.org)
>> among other things. Flightgear is a flying simulator.
>>
>> I seem to be getting hit with a triple whammy:
>>
>> I am trying to play fg on a large screen TV, which has significant
>> overscan.  Something like 60 pixels disappear from the top left corner.
>>
>> I can specify the correct size using the --geometry option in flightgear
>> but that does not allow me to set the position, just the size, so I lose the
>> top left corner of the image.   Flightgear does not recognize the HxW+X+Y
>> format for geometry; it ignores the X+Y offset.
>>
>> I can configure openbox to override an application's "wishes" and set its
>> size and location, but I need the WM_CLASS property set.  Alas, fg doesn't
>> set the WM_CLASS property, just the WM_NAME property.  I don't think openbox
>> allows me to id windows by WM_NAME.

Git version of openbox can do this.

>> I've tried the --prop option on the off-chance that it might help but it
>> doesn't seem to have anything to do with the window properties.
>>
>> Is anyone else in this boat?  How do I position the fg window in a
>> specific location on the screen and not just in the top left corner?
>>
> A slight bit of progress:
>
> I can add the WM_CLASS property with xprop:
>
> xprop -name FlightGear -f WM_CLASS 8s -set WM_CLASS FlightGear
>
> And then restart openbox:
>
> openbox --restart
>
> and the flightgear window loses its decorations and everything - except that
> it doesn't move.  Here's the pertinent section from the rc.xml file:
>
>  <application name="FlightGear">
>         <decor>no</decor>
>         <shade>no</shade>
>         <position force="yes">
>                 <x>center</x>
>                 <y>140</y>
>                 <monitor>1</monitor>
>         </position>
>         <focus>yes</focus>
>         <desktop>1</desktop>
>         <layer>above</layer>
>         <iconic>no</iconic>
>         <skip_pager>no</skip_pager>
>         <skip_taskbar>no</skip_taskbar>
>         <fullscreen>no</fullscreen>
>         <maximized>false</maximized>
>  </application>
>
> Everything happens except for moving the window.  It loses its decorations,
> moves on top, gets focus - and stays right where it is.  It's like the
> position thing is being ignored.

Position flag is only applied to new windows.

If this is the only window that will be appearing, or there are few
others.  You could use a "*" mask and then add further rules for
non-flightgear windows as needed.  Or try grab our git version.

- dana