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Bug #11974

Color correction module does not work with a trackpad.

Added by August Schwerdfeger 20 days ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
Darkroom
Target version:
-
Start date:
01/28/2018
Due date:
% Done:

0%

Affected Version:
2.4.1
System:
all
bitness:
64-bit
hardware architecture:
amd64/x86

Description

The "color correction" module allows the value on its saturation slider to be changed in increments of 0.1 by scrolling over the color board area. With a trackpad, this feature is usable in Darktable 2.2.5 and prior versions, but not in Darktable 2.4.1. The specific behavior varies by platform:

  • On MacOS, the sensitivity has increased to an unusable degree: the slightest hint of a scroll gesture on a trackpad will send the slider's value hurtling very quickly to 3 or +3 - but still in increments of 0.1.
  • On Linux (Fedora), the sensitivity has also increased (but to a lesser degree) and the slider value changes in increments of 0.01 rather than 0.1.

On both platforms, behavior is as expected when using a mouse with an ordinary scroll wheel.

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