bar + overlaybackend refactor

wlx-overlay-s/src/overlays/keyboard/builder.rs

@@ -1,6 +1,6 @@
 use std::{collections::HashMap, rc::Rc};
 
-use glam::{Affine2, Mat4, Vec2, Vec3, vec2, vec3a};
+use glam::{Mat4, Vec2, Vec3, vec2, vec3a};
 use wgui::{
     animation::{Animation, AnimationEasing},
     drawing::Color,
@@ -260,12 +260,6 @@ where
 
     panel.layout.update(vec2(2048., 2048.), 0.0)?;
 
-    let interaction_transform = Affine2::from_translation(vec2(0.5, 0.5))
-        * Affine2::from_scale(vec2(
-            1.,
-            -panel.layout.content_size.x / panel.layout.content_size.y,
-        ));
-
     let width = layout.row_size * 0.05 * app.session.config.keyboard_scale;
 
     Ok(OverlayData {
@@ -277,11 +271,9 @@ where
             interactable: true,
             spawn_scale: width,
             spawn_point: vec3a(0., -0.5, 0.),
-            interaction_transform,
             ..Default::default()
         },
-        backend: Box::new(KeyboardBackend { panel }),
-        ..Default::default()
+        ..OverlayData::from_backend(Box::new(KeyboardBackend { panel }))
     })
 }