Focus game window when it spawns

This fixes rare occasions when launcher fails to focus game properly.
keton · Jan 26, 2024 · eac517f · eac517f
1 parent 2080c3f
commit eac517f
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diff --git a/Chihuahua.cs b/Chihuahua.cs
@@ -183,6 +183,8 @@ await AnsiConsole.Status()
                     Helpers.ExitWithMessage(ctx, "Timed out while waiting for game process");
                 }
 
+                Helpers.focusGameWindow(gameExe);
+
                 ConsoleCtrlEventArgs.gameExe = gameExe;
                 if (SetConsoleCtrlHandler(ConsoleCloseHandler, true) == false) {
                     Helpers.ExitWithMessage(ctx, "Failed to attach console close handler.");

diff --git a/Helpers.cs b/Helpers.cs
@@ -392,4 +392,15 @@ public static bool IsUnrealExecutable(string gameExe) {
 
         return null;
     }
+
+    [System.Runtime.InteropServices.DllImport("user32.dll")]
+    private static extern void SwitchToThisWindow(IntPtr hWnd, bool fAltTab);
+    public static void focusGameWindow(string gameExe) {
+        var mainGameProcess = Helpers.GetMainGameProcess(gameExe);
+        if (mainGameProcess == null) {
+            Logger.Warn($"Failed to find main game process for {gameExe}");
+            return;
+        }
+        SwitchToThisWindow(mainGameProcess.Id, true);
+    }
 }