When using the area adjust click technique, and
the adjustment policy is to reselect:
Determine the new selection region
to be the area determined by the anchor point and the adjustment
point.
Enlarge the new selection region to include the
anchor element or anchor region, if indicated by the anchor inclusion
policy.
Enlarge the new selection region, if indicated by
the end-point inclusion policy, to include the element, if any,
at the adjustment point.
[ ]
When using the area adjust click technique, and
the adjustment policy is to enlarge, the new selection region is
larger than the following:
The current selection region
The region determined using the reselect adjustment
policy
[ ]
When using the area adjust click technique, and
the adjustment policy is to balance:
Move (if necessary) the anchor point
so that it is at the corner of the current selection region farthest
from the adjustment point.
Determine the new selection region to be the area
determined by the new anchor point and the adjustment point.
Enlarge the new selection region to include the
anchor element or anchor region, if the anchor point is unchanged
and if indicated by the anchor inclusion policy.
Enlarge the new selection region, if indicated by
the end-point inclusion policy, to include the element, if any,
at the adjustment point.
[ ]
If the current selection region does not include
an anchor element, or if the anchor element is no longer in the
selection region, identify the anchor element to be the element,
if any, in the region nearest the anchor point.
[ ]
After a mouse-based area adjust click technique
is used, place the active cursor as follows:
If it is a text or graphics cursor,
at the point at which the ADJUST button was clicked
If the selection region contains one or more elements,
on some element within the selection region
If neither of the above, on the currently cursored
element in the selection scope
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