CI only: libinput: add rotationAngle option - #2
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RyoheiHashimoto wants to merge 1 commit into
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RyoheiHashimoto wants to merge 1 commit into
RyoheiHashimoto wants to merge 1 commit into
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libinput can rotate the motion events of a device by an angle, which is useful for a device mounted at an angle, such as a trackball turned on its side. labwc had no way to set it. This adds <rotationAngle>, taking 0-359 degrees clockwise. The full libinput range is accepted rather than the [0|90|180|270] vocabulary of <tablet rotate>, because libinput does apply arbitrary angles on devices which support rotation, and restricting to multiples of 90 would drop that. <tablet rotate> is a separate mechanism which maps to coordinate transforms rather than to libinput. The value is parsed with strtol() and a terminator check, matching the calibrationMatrix parsing above it: 0 is a valid angle here, so atoi() would silently accept a malformed value as "no rotation". The setting is skipped where libinput_device_config_rotation_is_available() reports no support. Part of labwc#1079
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Not for upstream; runs CI before proposing to labwc#1079.