Elle Stone authored Dec 11, 2017 and Michael Natterer committed Jan 02, 2018

...to allow more space for the channel values

to allow the Pointer, Sample Points, and Color Picker Information
dialogs to be narrower and still show the channel value, without the
channel value running over the top of the channel identifier.

Mitch: did even more and also split the coordinates display to two
lines, because on large images the widget's width was flickering
or the labels were overwriting each other.