Fix GTK 4 foreground matching and menu labels

internal/atspi/foreground.go

@@ -49,7 +49,17 @@ func foregroundWindowMatches(client xorg.Foreground, pid int, bounds Rectangle)
 	frame := Rectangle{X: int32(client.FrameX), Y: int32(client.FrameY), Width: int32(client.FrameWidth), Height: int32(client.FrameHeight)}
 	return bounds == inner || bounds == outer ||
 		frame.Valid() && bounds == frame ||
-		scaledWindowMatches(bounds, inner) || scaledWindowMatches(bounds, outer) || scaledWindowMatches(bounds, frame)
+		scaledWindowMatches(bounds, inner) || scaledWindowMatches(bounds, outer) || scaledWindowMatches(bounds, frame) ||
+		unpositionedWindowMatches(client, pid, bounds, inner)
+}
+
+// Some GTK 4 X11 frames report screen extents with a 0,0 origin wherever
+// the window really is. Accept such a frame only when both sides name the
+// same process and the size equals the X11 client
+// exactly; a dialog or sibling of a different size still cannot claim it.
+func unpositionedWindowMatches(client xorg.Foreground, pid int, bounds, inner Rectangle) bool {
+	return client.PID > 0 && pid == client.PID && bounds.X == 0 && bounds.Y == 0 &&
+		bounds.Width == inner.Width && bounds.Height == inner.Height
 }
 
 // Some Chromium windows report AT-SPI extents in logical pixels while X11