(ddd.info)Scrolling Data

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7.3.6.2 Scrolling Data
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If the data window becomes too small to hold all displays, scroll bars
are created.  If your DDD is set up to use _panners_ instead, a panner
is created in the lower right edge.  When the panner is moved around,
the window view follows the position of the panner.

   To change from scroll bars to panners, use `Edit => Startup => Data
Scrolling' and choose either `Panner' or `Scrollbars'.  

   This setting is tied to the following resource:

 -- Resource: pannedGraphEditor (class PannedGraphEditor)
     The control to scroll the graph.

        * If this is `on', an Athena panner is used (a kind of
          two-directional scrollbar).

        * If this is `off' (default), two M*tif scrollbars are used.

     Note: Options, for the `--scrolled-graph-editor' and
     `--panned-graph-editor' options.