GUI: Fixes and cleanup when removing games #6701
Merged
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This PR fixes the launcher unnecessarily scrolling the list when removing a game. For a user such as myself with more than a full screen of games, this caused the list to confusingly jump around unpredictably. Now scrolling only occurs when setting a selection if the item isn't already visible, instead of always trying to re-scroll the newly selected item to the center.
While testing the scroll change, I found that list item selection doesn't work when grouping is enabled due an off-by-one bug from last year in da3c3d0, so that's fixed too.
This took a while to figure out because many supporting functions were named
getNextPos
, but there was nothing "next" about them, so I've renamed them.