add flatpak manifest

src/backend/openxr/helpers.rs

@@ -1,6 +1,6 @@
 use anyhow::{bail, ensure};
 use glam::{Affine3A, Quat, Vec3, Vec3A};
-use openxr::{self as xr, SessionCreateFlags};
+use openxr::{self as xr, SessionCreateFlags, Version};
 use xr::OverlaySessionCreateFlagsEXTX;
 
 pub(super) fn init_xr() -> Result<(xr::Instance, xr::SystemId), anyhow::Error> {
@@ -54,6 +54,7 @@ pub(super) fn init_xr() -> Result<(xr::Instance, xr::SystemId), anyhow::Error> {
 
     let Ok(xr_instance) = entry.create_instance(
         &xr::ApplicationInfo {
+            api_version: Version::new(1, 1, 37),
             application_name: "wlx-overlay-s",
             application_version: 0,
             engine_name: "wlx-overlay-s",

src/main.rs

@@ -34,6 +34,7 @@ use std::{
     },
 };
 
+use backend::notifications::DbusNotificationSender;
 use clap::Parser;
 use sysinfo::Pid;
 use tracing::level_filters::LevelFilter;
@@ -127,12 +128,17 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     Ok(())
 }
 
+#[allow(unused_mut)]
 fn auto_run(running: Arc<AtomicBool>, args: Args) {
     use backend::common::BackendError;
 
+    let mut tried_xr = false;
+    let mut tried_vr = false;
+
     #[cfg(feature = "openxr")]
     if !args_get_openvr(&args) {
         use crate::backend::openxr::openxr_run;
+        tried_xr = true;
         match openxr_run(running.clone(), args.show) {
             Ok(()) => return,
             Err(BackendError::NotSupported) => (),
@@ -146,6 +152,7 @@ fn auto_run(running: Arc<AtomicBool>, args: Args) {
     #[cfg(feature = "openvr")]
     if !args_get_openxr(&args) {
         use crate::backend::openvr::openvr_run;
+        tried_vr = true;
         match openvr_run(running, args.show) {
             Ok(()) => return,
             Err(BackendError::NotSupported) => (),
@@ -158,6 +165,18 @@ fn auto_run(running: Arc<AtomicBool>, args: Args) {
 
     log::error!("No more backends to try");
 
+    let instructions = match (tried_xr, tried_vr) {
+        (true, true) => "Make sure that Monado, WiVRn or SteamVR is running.",
+        (false, true) => "Make sure that SteamVR is running.",
+        (true, false) => "Make sure that Monado or WiVRn is running.",
+        _ => "Check your launch arguments.",
+    };
+
+    let instructions = format!("Could not connect to runtime.\n{instructions}");
+
+    let _ = DbusNotificationSender::new()
+        .and_then(|s| s.notify_send("WlxOverlay-S", &instructions, 1, 0, 0, false));
+
     #[cfg(not(any(feature = "openvr", feature = "openxr")))]
     compile_error!("No VR support! Enable either openvr or openxr features!");