Cleaner approach to decorations about labwc

[Consolatis]

Nice write-up of the current situation, thanks for that.

I think one use-case missing in the above list is people that want to *always* have full SSD decorations around the windows, even if they additionally use client side ones.

Just throwing another random idea around: We do have the If action, we could add a query argument for the current SSD state, e.g. CSD|borders|full|none. That in combination with a SetDecorations action which directly addresses the different states should allow users to use it for any scenario they want.

Something like:

<!-- Use borders by default for non-csd views -->
<windowRule identifier="*">
	<action name="If">
		<query decorations="csd" />
		<else>
			<action name="SetDecorations" decorations="borders" />
		</else>
	</action>
</windowRule>

or

<!-- Use full decorations by default, even for CSD views -->
<windowRule identifier="*">
	<action name="SetDecorations" decorations="full" />
</windowRule>

[Vladimir-csp]

Please add an option to preserve window size for SetDecorations and ToggleDecorations.

[Consolatis]

The window size (the underlying client generated surface) should be kept (unless the window is snapped to some edge / region or maximized), so I assume you are referring to modifying the window size when changing the SSD decoration state?

[Vladimir-csp]

Yes. Preserve window's external dimensions.