apprt/gtk: subscribe to AdwStyleManager::dark for ColorScheme

[tristan957]

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[tristan957]

I couldn't figure out how to get zig-gir variant to compile. Got a compilation error that notify wasn't a signal on adw.StyleManager

[tristan957]

Oops I get it. notify is on gobject.Object. But still, the app has a c.GtkApplication pointer, so I'm not sure it is possible to convert that to an adw.Application pointer.

[jcollie]

Will we get an initial notification at app startup, or only when the style changes?

[jcollie]

Oops I get it. notify is on gobject.Object. But still, the app has a c.GtkApplication pointer, so I'm not sure it is possible to convert that to an adw.Application pointer.

Yeah until we're fully switched over you have to manually cast c.GtkApplication to gtk.Application, then you can use app.as(gobject.Object).

[tristan957]

Good question. Just if it changes. Seems like I need to do the equivalent of the dbus code. One sec.

[tristan957]

Oops I get it. notify is on gobject.Object. But still, the app has a c.GtkApplication pointer, so I'm not sure it is possible to convert that to an adw.Application pointer.

Yeah until we're fully switched over you have to manually cast c.GtkApplication to gtk.Application, then you can use app.as(gobject.Object).

Would you like me to use zig-gir code in this PR?

[jcollie]

Would you like me to use zig-gir code in this PR?

I think that we probably should.