Mickael,
I might be off base on this observation, but if I recall
correctly (from getting Oomph things to behave correctly with dark
theme), if one subclasses Composite, your subclass is no longer
styled as a composite. And there's no simple way to mark it the
instance so that it's styled according to some existing style
definition. I.e., a feature to "please treat this instance as a
composite" would definitely have been helpful.
It was also my observation that trying to set colors during
construction is kind of a losing battle because the styling comes
back later and changes the colors. All the theme support is
generally super complicated...
Regards,
Ed
On 28.09.2018 08:24, Mickael Istria
wrote:
Hi,
You can directly ask this to the platform-ui-dev
mailing-list. This e4 one isn't really relevant now.
About your custom widget, I guess by Custom you mean that
you're actually taking care of some parts of their drawing? If
so, then I believe it's up to you in your drawing routines to
read the widget style and to choose the right colors for
background/foreground accordingly. One possibility if you wish
really dynamic results is that instead of reading the style,
you simply rely on the background color of the parent
composite, so you don't have to deal with CSS and your widget
would be portable in any composite and integrate well in it
without tweak
HTH.
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