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import
gdk2, glib2, gtk2
proc destroy(widget: pWidget, data: pgpointer){.cdecl.} =
main_quit()
const
Inside: cstring = "Mouse is over label"
OutSide: cstring = "Mouse is not over label"
var
OverLabel: bool
nimrod_init()
var window = window_new(gtk2.WINDOW_TOPLEVEL)
var stackbox = vbox_new(TRUE, 10)
var box1 = event_box_new()
var label1 = label_new("Move mouse over label")
add(box1, label1)
var box2 = event_box_new()
var label2 = label_new(OutSide)
add(box2, label2)
pack_start(stackbox, box1, TRUE, TRUE, 0)
pack_start(stackbox, box2, TRUE, TRUE, 0)
set_border_width(Window, 5)
add(window, stackbox)
discard signal_connect(window, "destroy",
SIGNAL_FUNC(ex7.destroy), nil)
overlabel = False
proc ChangeLabel(P: PWidget, Event: gdk2.PEventCrossing,
Data: var bool){.cdecl.} =
if not Data: set_text(Label1, Inside)
else: set_text(Label2, Outside)
Data = not Data
discard signal_connect(box1, "enter_notify_event",
SIGNAL_FUNC(ChangeLabel), addr(Overlabel))
discard signal_connect(box1, "leave_notify_event",
SIGNAL_FUNC(ChangeLabel), addr(Overlabel))
show_all(window)
main()
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