grab-help panel, FollowHand align_to_hmd

wlx-overlay-s/src/overlays/anchor.rs

@@ -4,8 +4,8 @@ use wlx_common::windowing::{OverlayWindowState, Positioning};
 
 use crate::gui::panel::GuiPanel;
 use crate::state::AppState;
-use crate::windowing::Z_ORDER_ANCHOR;
 use crate::windowing::window::OverlayWindowConfig;
+use crate::windowing::{Z_ORDER_ANCHOR, Z_ORDER_HELP};
 
 pub static ANCHOR_NAME: LazyLock<Arc<str>> = LazyLock::new(|| Arc::from("anchor"));
 
@@ -31,3 +31,27 @@ pub fn create_anchor(app: &mut AppState) -> anyhow::Result<OverlayWindowConfig>
         ..OverlayWindowConfig::from_backend(Box::new(panel))
     })
 }
+
+pub static GRAB_HELP_NAME: LazyLock<Arc<str>> = LazyLock::new(|| Arc::from("grab-help"));
+
+pub fn create_grab_help(app: &mut AppState) -> anyhow::Result<OverlayWindowConfig> {
+    let mut panel = GuiPanel::new_from_template(app, "gui/grab-help.xml", (), Default::default())?;
+    panel.update_layout()?;
+
+    Ok(OverlayWindowConfig {
+        name: GRAB_HELP_NAME.clone(),
+        z_order: Z_ORDER_HELP,
+        default_state: OverlayWindowState {
+            interactable: false,
+            grabbable: false,
+            transform: Affine3A::from_scale_rotation_translation(
+                Vec3::ONE * 0.15,
+                Quat::IDENTITY,
+                Vec3::ZERO,
+            ),
+            ..OverlayWindowState::default()
+        },
+        global: true,
+        ..OverlayWindowConfig::from_backend(Box::new(panel))
+    })
+}