fixup! Auto-toggle TouchControls in-game when receiving touch/mouse i…

…nput

src/defaultsettings.cpp

@@ -107,12 +107,17 @@ void set_default_settings()
 #if defined(__linux__) && !defined (__ANDROID__)
 	// On Linux+X11 (not Linux+Wayland or Linux+XWayland), I've encountered a bug
 	// where fake mouse events were generated from touch events if in relative
-	// mouse, resulting in the touchscreen controls being instantly disabled again
-	// and thus making them unusable. Therefore, I've disabled automatic switching.
-	settings->setDefault("touch_controls", "false");
+	// mouse mode, resulting in the touchscreen controls being instantly disabled
+	// again and thus making them unusable.
+	// => We can't switch based on the last input method used.
+	// => Fall back to hardware detection.
+	settings->setDefault("touch_controls", bool_to_cstr(has_touch));
 #else
 	settings->setDefault("touch_controls", "auto");
 #endif
+	// Since GUI scaling shouldn't suddenly change during a session, we use
+	// hardware detection here instead of switching based on the last input
+	// method used.
 	settings->setDefault("gui_touch", bool_to_cstr(has_touch));
 	settings->setDefault("sound_volume", "0.8");
 	settings->setDefault("sound_volume_unfocused", "0.3");