I was glad that my father came to see me=Me alegré de que mi padre viniera a verme but
I was glad because my father came to see me=Me alegré porque mi padre vino a verme
and
It saddens me that my father came to see me=Me entristece que mi padre viniera a verme
but
It saddens me because my father came to see me=Me entristece porque mi padre vino a verme
I have seen this with other expressions of feeling and when I put it into various translators I always get the same thing. I realize that changing from "that" to "because" slightly changes the meaning but why does it go from subjunctive to indicative in going from "que" to "porque?"