I cannot figure out yet to what extend my program will have to be dipped into the winelib. Mmmh... Looking at it now it might even be easier to just write the whole thing as if it was to run under windows and compile it against the winelib. But I'd actually rather not get my hands too dirty on the windows API ;-)
Well you can make your app a WineLib binary but still use native Linux APIs like GTK or whatever.... using WineLib just *allows* you to use the Win32 API, doesn't force you to