New panel framework

[Benedikt Meurer]

Jasper Huijsmans wrote:
> Brian J. Tarricone schreef:
> ...
> 
>>I think I'm missing something here.  How does the panel know about these
>>external plugins?  Unless I'm misunderstanding, the external plugins
>>don't talk to the panel at all until their binary is run.  But how does
>>the panel find out about external plugins so it can list them in the
>>"Add Item" dialog?  Assuming there's a separate mechanism for this,
>>letting language bindings write plugins shouldn't be a problem at all.
>>
> 
> 
> Hehe, I guess I forgot to mention something here...
> 
> Yeah, you're right. It uses .desktop files (in 
> ${prefix}/share/xfce4/panel-plugins/) to describe the plugins.
> 
> [Xfce Panel]
> Name=Test Plugin
> Comment=This plugin has no purpose
> Icon=xfce-unknown
> External=true
> FullPath=/home/jasper/experimental/libexec/xfce4/panel-plugins/testplugin

Since this is a .desktop file, we should follow the spec here and use
vendor ids for the two non-standard keys:

X-XFCE-External=true
X-XFCE-FullPath=/home/jasper/experimental/libexec/xfce4/panel-plugins/testplugin

Benedikt