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Fractional scaling is a way of scaling user interfaces that allows for non-integer scaling factors. In order to support multiple displays with different fractional scaling factors properly and prevent size mismatches in all relevant situations, multiple coordinate spaces need to be used. This commit adds a protocol that adds the ability for compositor and client to change the coordinate space of their communication for that purpose.
I opted to make all coordinates be scaled, including input, to have all of them still be in a unified coordinate space and possibly reduce some confusion. Because it shouldn't matter in practice though, if anyone prefers to not scale input, I'd be willing to change that as well.
Advantages of this approach:
Disadvantages of this approach:
Signed-off-by: Xaver Hugl xaver.hugl@gmail.com
cc #47 (closed)
Implementations: