autoscroll man page on MacOSX

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autoscroll(n)		Automatic mapping of scrollbars		 autoscroll(n)


       autoscroll  -  Provides	for  a	scrollbar  to automatically mapped and
       unmapped as needed

       package require Tcl

       package require autoscroll  ?1.1?

       ::autoscroll::autoscroll scrollbar

       ::autoscroll::unautoscroll scrollbar




       This package allows scrollbars to be  mapped  and  unmapped  as	needed
       depending  on  the  size and content of the scrollbars scrolled widget.
       The scrollbar must be managed by either pack or	grid,  other  geometry
       managers are not supported.

       When  managed by pack, any geometry changes made in the scrollbars par‐
       ent between the time a scrollbar is unmapped, and  when	it  is	mapped
       will  be lost. It is an error to destroy any of the scrollbars siblings
       while the scrollbar is unmapped. When  managed  by  grid,  if  anything
       becomes	gridded	 in  the same row and column the scrollbar occupied it
       will be replaced by the scrollbar when remapped.

       This package may be used on any scrollbar-like widget  as  long	as  it
       supports	 the set subcommand in the same style as scrollbar. If the set
       subcommand is not used then this package will have no effect.

       ::autoscroll::autoscroll scrollbar
	      Arranges for the already	existing  scrollbar  scrollbar	to  be
	      mapped and unmapped as needed.

       ::autoscroll::unautoscroll scrollbar
	      Returns the named scrollbar to its original static state.

	      Arranges for all scrollbars created after this command is run to
	      be automatically mapped and unmapped as needed.

	      Turns off the automatic autoscrolling  of	 all  new  scrollbars.
	      Does not effect existing scrollbars

       text .t -yscrollcommand ".scrolly set"
       scrollbar .scrolly -orient v -command ".t yview"
       pack .scrolly -side right -fill y
       pack .t -side left -fill both -expand 1
       ::autoscroll::autoscroll .scrolly

       scroll, scrollbar

autoscroll			      1.1			 autoscroll(n)

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