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[smlnj] View of /sml/trunk/src/eXene/widgets/composite/scrollport-sig.sml
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View of /sml/trunk/src/eXene/widgets/composite/scrollport-sig.sml

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Revision 2 - (download) (annotate)
Sat Oct 4 23:33:09 1997 UTC (23 years ago) by monnier
File size: 633 byte(s)
Initial revision
(* scrollport-sig.sml
 *
 * COPYRIGHT (c) 1994 by AT&T Bell Laboratories  See COPYRIGHT file for details.
 *
 * ScrollPort widget, for panning over a child widget using scrollbars.
 *
 * TODO:
 *   granularity
 *)

signature SCROLL_PORT =
  sig

    structure W : WIDGET

    type scroll_port

    val scrollPort : (W.root * W.view * W.arg list) -> W.widget -> scroll_port

    val mkScrollPort : {
	    widget : W.widget,
	    continuous : bool,
	    color : W.EXB.color option,
	    hsb : {top : bool} option,
	    vsb : {left : bool} option
	  } -> scroll_port

    val widgetOf : scroll_port -> W.widget

  end (* SCROLL_PORT *)

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