I'm a girl and like another girl. what does it mean when she pats you on the thigh?

we hung out at a bar, first off I invited her last minute and she showed up and didn't know anyone else but me. we sat on a couch at this bar and talked the whole time. she patted me on the thigh a few different times, she didn't leave the hand lingering too long but she didn't pull away right away either. later that evening we hugged good bye. a few days later we hung out at her place and watched a movie, she sat down on one end of the couch and I wanted to sit next to her but was afraid to, so I sat on the other end of the couch. while we watched the movie she kept looking at me and making comments about the movie and sometimes our glances lingered. what does any of this mean? I hope she likes me more than just a friend. she has dated a guy though so I don't know if she is straight or bi, or what. they have been broken up for over a year. also she gave me a hug when I got to her place and a hug when I left. please help me figure out what any of this means.