Fix #110853: Trackpad: support for 'ui_colorpicker_small_wheel_cb' #110928

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YimingWu wants to merge 4 commits from ChengduLittleA/blender:fix-110853 into main

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Author	SHA1	Message	Date
YimingWu	f934470476	Remove interface_handlers.cc	2023-08-19 16:41:53 +08:00
YimingWu	0586c8fbc1	Misunderstood UI_SCALE_FAC, correcting.	2023-08-09 22:10:54 +08:00
YimingWu	37401ec264	Use `U.scale_factor / UI_SCALE_FAC` to replace `U.dpi_fac`	2023-08-09 10:18:20 +08:00
YimingWu	1880cbd782	Fix #110853 : Trackpad: support for 'ui_colorpicker_small_wheel_cb' Allow change values with Trackpad for Color Picker buttons. Adds the ability to change values with Trackpad, in addition to the Mouse Wheel, inside the colorpicker box with MOUSEPAN. Fix CTRL+MOUSEPAN over color button. This patch was originally authored by Yevgeny Makarov (@jenkm) as https://archive.blender.org/developer/D8811 , now porting this as a PR.	2023-08-08 21:31:18 +08:00