.menubar.file.menu add command -label "Open  (Gnuplot plot file)"    -command open_plotfile
.menubar.file.menu add command -label "Save  (Gnuplot plot file)"    -command save_plotfile
.menubar.file.menu add separator
.menubar.file.menu add command -label "Print (PostScript file)"	     -command print_postscript
.menubar.file.menu add separator
.menubar.file.menu add command -label "Quit"			     -command exit

button .menubar.xmtt  -text "xMTT" -relief flat		 -command { exec xmtt }
button .menubar.quit  -text "Quit" -relief flat		 -command exit 

pack .menubar.file    -expand false -fill x -side left
pack .menubar.xmtt    -expand false -fill x -side left
pack .menubar.quit    -expand false -fill x -side right

# status bar
canvas .statusbar

radiobutton .statusbar.states  -text "States"      -value states  -variable view      -relief solid -command { raise .cx }
radiobutton .statusbar.outputs -text "Outputs"     -value outputs -variable view      -relief solid -command { raise .cy }