allows finder to be instantiated for an explicit alignment panel and viewport.
private boolean focusfixed;
/**
- * checks that av and ap are valid, and if not,
- * gets the topmost alignment window and sets av and ap accordingly
+ * if !focusfixed and not in a desktop environment, checks that av and ap are
+ * valid. Otherwise, gets the topmost alignment window and sets av and ap
+ * accordingly
*
* @return false if no alignment window was found
*/