https://forum.qt.io/topic/24502/qfilesystemmodel-setting-folder-icons-without-using-qfileiconprovider
QFileSystemModel: setting folder icons without using QFileIconProvider | Qt Forum
Feb 21, 2013 - Hi all, I'm currently trying to change the folder icons from my FileSystemModelClass (subclass of QFileSystemModel). I've tried subclassing the QFileIconProv...
folder iconssettingwithoutusingqt