Is it time for a rethink of the style system? It seems that the style
command and a few builtin commands manipulate a windows appearance and
behaviour but they don't do a complete job. We could generalize them and
provide a means to do more selective control with some additional commands.
Commands like Stick alter the windows sticky behaviour. Style <pattern>
Sticky does the same thing for a set of windows and also maintains a
list of patterns to apply to newly created windows.
A lot of style types do not have matching builtin commands.
How about a new command: WindowStyle? It would apply to the current
window or could be used as part of a selective command e.g.
WindowStyle Sticky
All (*Buttons*) WindowStyle Layer 5
WindowId ??? WindowStyle Iconic
The simple built-ins like Stick could be aliases e.g.
Stick On = WindowStyle Sticky
Stick Off = WindowStyle Slippery
The Style command could be aliased also e.g.
Style <pattern> ResizeOpaque = All (<pattern>) WindowStyle ResizeOpaque
Style <pattern> <style-args> = All (<pattern>) WindowStyle <style-args>
plus the pattern to apply to new windows could be written as a function
AddToFunc StyleFunction I WindowId $0 (<pattern>) WindowStyle ResizeOpaque
The StyleFunction function would be called with the newly-created
window's id as the first parameter.
Additional style commands would just add to StyleFunction in
a similar way to the way the style list build up. I think we may be able
to remove the style list altogether with this. The only problem being
the DestroyStyle command which would have to selectively remove parts of
StyleFunction! DestroyStyle * would be the same a
DestroyFunc StyleFunction.
Doing this would require moving most of the style parsing code from the
Style command to the new WindowStyle command and rewriting the simple
commands like Stick.
Benefits:
* possible to control every style on a per window basis
* extending the conditions for Next/All also extends the ability to set
styles e.g.
`All (class=*Fvwm*) WindowStyle Sticky' is better than `style *Fvwm*
Sticky'
* possible to obsolete commands like Stick in the future
* Larrys suggestion for conditions would work with this e.g.
`Style (Condition=Terminal) Colorset 2' is aliased to
`All (Condition=Terminal) WindowStyle Colorset 2'
Cheers,
Tim.
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