UI Improvements (Continued) (Closes #299) (!37) · Merge requests · Xfce / xfwm4

This branch:

Refreshes Glade files for version 3.38, bumps GTK minimum version to 3.22, libxfce4ui to 4.12, and replaces deprecated values and widgets
Improves spacing according to the 6/12/18 standards from the GNOME 2 HIG (and used elsewhere in Xfce)
Removes unnecessary newlines in the Tweaks window
Adds right margin to slider labels on the Compositor tab
Cleans up order of generically-named (e.g. label1) widgets for easier future review

Closes old pull request #299.

Edited Jul 23, 2022 by Sean Davis

UI Improvements (Continued) (Closes #299)