For those using wingide 5, you can customize the UI using your normal qt tricks you employ in maya. One thing I hate about wing is its ugly and all the themes make it even uglier. SO with wing5 its in qt, so all I needed to do was get the window and slap on my own CSS:
import sys
import wingapi
## -- Out CSS file we use for our Qt apps
import CSS
## -- Resource file that has icons, etc
import master_rc
win = wingapi.gApplication.fSingletons.fWinMgr.GetActiveWindow()
if win:
qtwin = win.fGtkWindow
qtwin.setStyleSheet(CSS.text()) ## -- Set the stylesheet to ours
Just save this in C:\Users\USER\AppData\Roaming\Wing IDE 5\scripts and you’re all set. This was just a simple proof of concept, i still need to flesh out getting it to work on startup.