Code "cleanup": Functions that create a button now return its address.
This helps reduce the number of files that use the globals "Fenetre_Liste_boutons_*"
git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@642 416bcca6-2ee7-4201-b75f-2eb2f807beb1
2 shortcuts per function. You can use keys, MouseWheel, Middlebutton, joystick buttons,
in combination with Alt, Shift, Control.
git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@609 416bcca6-2ee7-4201-b75f-2eb2f807beb1