fix keyboard scaling, fix openvr spawn

src/backend/openvr/lines.rs

@@ -63,7 +63,6 @@ impl LinePool {
             state: OverlayState {
                 name: Arc::from(format!("wlx-line{}", id)),
                 show_hide: true,
-                spawn_scale: 0.002,
                 size: (0, 0),
                 ..Default::default()
             },
@@ -73,6 +72,10 @@ impl LinePool {
                 }),
                 ..Default::default()
             }),
+            data: OpenVrOverlayData {
+                width: 0.002,
+                ..Default::default()
+            },
             ..Default::default()
         };
         data.data.sort_order = 69;

src/backend/openvr/overlay.rs

@@ -12,16 +12,15 @@ use crate::{
     state::AppState,
 };
 
-const WIDTH: f32 = 1.0;
-
 #[derive(Default)]
 pub(super) struct OpenVrOverlayData {
-    handle: Option<OverlayHandle>,
-    last_image: Option<u64>,
+    pub(super) handle: Option<OverlayHandle>,
+    pub(super) last_image: Option<u64>,
     pub(super) visible: bool,
     pub(super) color: Vec4,
     pub(super) curvature: f32,
     pub(super) sort_order: u32,
+    pub(crate) width: f32,
     pub(super) relative_to: RelativeTo,
 }
 
@@ -49,6 +48,11 @@ impl OverlayData<OpenVrOverlayData> {
         self.data.color = Vec4::ONE;
 
         self.init(app);
+        self.upload_transform(overlay);
+
+        if self.data.width < f32::EPSILON {
+            self.data.width = 1.0;
+        }
 
         self.upload_width(overlay);
         self.upload_color(overlay);
@@ -125,7 +129,7 @@ impl OverlayData<OpenVrOverlayData> {
             log::debug!("{}: No overlay handle", self.state.name);
             return;
         };
-        if let Err(e) = overlay.set_width(handle, WIDTH) {
+        if let Err(e) = overlay.set_width(handle, self.data.width) {
             panic!("Failed to set overlay width: {}", e);
         }
     }

src/backend/overlay.rs

@@ -98,16 +98,14 @@ impl OverlayState {
         }
     }
     pub fn reset(&mut self, app: &mut AppState) {
-        if let RelativeTo::None = self.relative_to {
-            let translation = app.input_state.hmd.transform_point3a(self.spawn_point);
-            self.transform = Affine3A::from_scale_rotation_translation(
-                Vec3::ONE * self.spawn_scale,
-                Quat::IDENTITY,
-                translation.into(),
-            );
+        let translation = app.input_state.hmd.transform_point3a(self.spawn_point);
+        self.transform = Affine3A::from_scale_rotation_translation(
+            Vec3::ONE * self.spawn_scale,
+            Quat::IDENTITY,
+            translation.into(),
+        );
 
-            self.realign(&app.input_state.hmd);
-        }
+        self.realign(&app.input_state.hmd);
     }
     pub fn realign(&mut self, hmd: &Affine3A) {
         let to_hmd = hmd.translation - self.transform.translation;

src/overlays/keyboard.rs

@@ -106,13 +106,10 @@ where
 
     let canvas = canvas.build();
 
+    let interaction_transform = Affine2::from_translation(vec2(0.5, 0.5))
+        * Affine2::from_scale(vec2(1., -size.x as f32 / size.y as f32));
+
     let width = LAYOUT.row_size * 0.05;
-    let width_inv = 1.0 / width;
-    let aspect_ratio = size.x / size.y;
-    let t_w = width_inv;
-    let t_h = -(width_inv) * aspect_ratio;
-    let interaction_transform =
-        Affine2::from_scale_angle_translation(vec2(t_w, t_h), 0.0, vec2(0.5, 0.5));
 
     OverlayData {
         state: OverlayState {