test(startup): isolate Windows startup reveal (#37)

scripts/smoke-packaged-app.js

@@ -30,6 +30,7 @@ const child = spawn(executable, [], {
   env: {
     ...process.env,
     FIRELINK_SMOKE_TEST: '1',
+    FIRELINK_SKIP_STARTUP_REVEAL: '1',
     WEBKIT_DISABLE_COMPOSITING_MODE: '1',
     GDK_BACKEND: 'x11',
   },

src-tauri/src/lib.rs

@@ -3996,6 +3996,9 @@ fn mark_main_window_startup_complete(app_handle: &tauri::AppHandle) {
 #[cfg(target_os = "windows")]
 fn reveal_main_window(app_handle: &tauri::AppHandle) {
     if let Some(window) = app_handle.get_webview_window("main") {
+        if let Err(error) = window.set_focusable(true) {
+            log::warn!("Could not make the main window focusable: {error}");
+        }
         if let Err(error) = window.show() {
             eprintln!("Failed to reveal the main window: {error}");
         }
@@ -18555,7 +18558,8 @@ pub fn run() {
                 // re-enter that handler during native construction.
                 main_window_builder = main_window_builder
                     .visible(false)
-                    .focused(false);
+                    .focused(false)
+                    .focusable(false);
             }
             main_window_builder
                 .build()
@@ -19895,7 +19899,9 @@ pub fn run() {
             tauri::RunEvent::Ready => {
                 mark_main_window_startup_complete(app_handle);
                 #[cfg(target_os = "windows")]
-                reveal_main_window(app_handle);
+                if std::env::var_os("FIRELINK_SKIP_STARTUP_REVEAL").is_none() {
+                    reveal_main_window(app_handle);
+                }
                 #[cfg(not(target_os = "windows"))]
                 restore_pending_main_window(app_handle);
             }