OPTION GUI TRUE
PRAGMA GUI gtk3

DECLARE text TYPE STRING
DECLARE data TYPE FLOATING

gui = GUIDEFINE(" \
    { type=WINDOW name=window callback=delete-event title=\"Rosetta Code\" width-request=300 } \
    { type=BOX name=box parent=window orientation=GTK_ORIENTATION_VERTICAL } \
    { type=ENTRY name=entry parent=box margin=4 callback=activate } \
    { type=SPIN_BUTTON name=spin parent=box margin=4 numeric=TRUE } \
    { type=BUTTON_BOX name=bbox parent=box } \
    { type=BUTTON name=button parent=bbox margin=4 callback=clicked label=\"Exit\" }")

CALL GUISET(gui, "spin", "adjustment", gtk_adjustment_new(75000, 0, 100000, 1, 1, 0))

REPEAT
    event$ = GUIEVENT$(gui)
UNTIL event$ = "button" OR event$ = "window"

CALL GUIGET(gui, "entry", "text", &text)
PRINT text FORMAT "Entered: %s\n"

CALL GUIGET(gui, "spin", "value", &data)
PRINT data FORMAT "Entered: %g\n"