On Tue, 6 May 2025 19:26:11 GMT, Andy Goryachev <ango...@openjdk.org> wrote:
>> That would be okay, except that `Scene` is allowed to be created on a >> background thread (it's in the class documentation), so we can't completely >> enforce it to be single-threaded. Once a scene is created, a user can also >> request its preferences. This is when we need some way to get the current >> platform preferences on a background thread, as otherwise users would >> potentially see the scene preferences suddenly change once the scene is >> shown. > > That's why I am against this background thread nonsense. Create - yes (even > though I am against this). Access and modify properties, especially those > that interact with other parts of the FX - no. > > I think we should enforce the FX application thread access. This would be a significant change, as currently `Scene` is explicitly allowed to be created _and modified_ on a background thread. This was probably always a very bad idea (because it makes the implementation so much more difficult), but how do you think we should change that? ------------- PR Review Comment: https://git.openjdk.org/jfx/pull/1655#discussion_r2076223572
