Currently, the color of the item selection border, and the category foreground color are hard-coded, limiting the ways in which the listbox appearance can be changed (for example, a dark background can't be used). This PR solves the issue by making those colors modifiable by the user.
Currently, the color of the item selection border, and the category foreground color are hard-coded, limiting the ways in which the listbox appearance can be changed (for example, a dark background can't be used). This PR solves the issue by making those colors modifiable by the user.