this is not optimal, as the embedded subwindows do not resize but at least it
is usable on smaller displays
wm geometry $win 1200x900+0+0
#wm positionfrom $win user
wm withdraw $win
wm geometry $win 1200x900+0+0
#wm positionfrom $win user
wm withdraw $win
-#wm maxsize $win $screenwidth $screenheight
-#wm minsize $win 100 100
+wm maxsize $win $screenwidth $screenheight
+wm minsize $win 100 100
wm protocol $win delete "DeleteHeadWindow $win ;"
wm fullscreen $win on
wm protocol $win delete "DeleteHeadWindow $win ;"
wm fullscreen $win on