idf — Apollo

8.0;idf (icon_default) *DM*, revision 8.0, 84/03/11
IDF (ICON_DEFAULT) -- Set the icon default positioning and offset.
usage:  idf


FORMAT

  IDF


  The  IDF  command  is  used  to set the position of an icon on your screen, to
  determine where the following icons will be positioned (the  offset),  and  to
  specifiy  the  icon  shift  vector  when  the  icon  allocation  begins to use
  positions already in use by other icons.  Each time you issue the IDF  command
  you reset the position where any subsequent icons appear.

  By  default,  icons  appear  in  a  horizontal  line along the top of portrait
  displays, and in a vertical line along the right side of  landscape  displays.
  The  default  offset is set at the width of one icon (60 bits) horizontally or
  vertically, depending on the display.  You can use IDF to change this  default
  positioning  and  offset,  to  establish  the position of an icon created in a
  script, or to set your personal icon positioning and offset in  a  DM  startup
  script (STARTUP_DM).  The IDF command can be used in the following ways:

     - Move  the  cursor  to  the new default icon position.  Issue the IDF
       command.

       This operation sets the first icon position; the offset of the  next
       icon  will  be  0,0  (bits) and the shift vector will be 0,0 (bits).
       Therefore, all subsequent icons will appear on top of one another at
       the first icon position.

     - Move the cursor to the new default icon position.   Use  the  <MARK>
       key  or  issue the DR command to mark the cursor position.  Move the
       cursor to indicate the offset for the next  icon.    Issue  the  IDF
       command.

       This  operation  sets  the first icon position and next icon offset.
       The shift vector is 0,0 (bits). Therefore, when icons  need  to  use
       already  used  positions, the DM places new icons directly on top of
       pre-existing icons.

     - Move the cursor to the new default icon position.   Use  the  <MARK>
       key  or  issue the DR command to mark the cursor position.  Move the
       cursor to indicate the offset for the next icon and once again issue
       a <MARK> or DR command.  Then move the cursor again in order to  set
       the shift vector for reused icon positions.

       This  operation  sets  the  first  icon  position  and the next icon
       offset.  It also establishes a shift vector so that icons  will  not
       appear  directly  on top of one another if the DM needs to place New
       icons over pre-existing ones.

     - Specify the icon position, offset, and shift explicitly in a command
       line.  The format is as follows:

       (initial_xy_position)DR;(next_xy_position)DR;(shift_xy_position);IDF

       For example, the command line:

       Command:  (800,10) DR; (850,60) DR; (820,10); IDF

       places the upper left corner of  the  first  icon  at  bit  position
       (800,10),   sets  the  icon  offset  vector  to  (50,50)  (found  by
       subtracting the 'initial' from the 'next' bit positions),  and  sets
       the  shift vector to (20,0) (found by subtracting the 'initial' from
       the 'shift' bit positions).  The next icon would, therefore,  appear
       at  bit positions (850,60), the next at (900,110) etc...  If an icon
       must be placed on top of the first icon, then it will be  positioned
       at (820,10), the next at (870,60), etc..

  The IDF command requires no arguments or options.


RELATED TOPICS

  More information is available.  Type:

  - HELP ICON
    for more information on icons.
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