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