Work in progress on slider redesign

This WIP focuses on redesigning sliders used in tools' filters' options.

Existing implementations

Executive summary

Is there a single most common implementation people expect?

Is GIMP's current implementation matched by any other application?

As far as we can tell, not. In fact, Inkscape developers, who reused our slider widget, specifically got rid of the horizontal separation and introduced key modifiers instead.

Inkscape

Drag = regular changes

Alt + Drag = very small changes

Ctrl + Drag = Constraint to a step of 10

Click to set to position = yes

Numeric input = by editing an entry field next to the slider

Increment buttons = to the right of the entry field

Blender

The label is to the left of the slider, outside.

Drag = regular changes

Ctrl + Drag = Constraint to a large step

Shift + Drag = Smallest changes

Click to set to position = no, enables numeric input instead

Numeric input = by single/double-clicking inside the slider

Increment buttons = to the left (decrease) and to the right (increase), visible only on hover (not always available though)