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Motif and CDE 2.1 Style Guide Reference
Area Adjust Swipe Technique
Reference
Description
The area adjust swipe technique is an adjustment selection technique in
which an area of elements already identified as the current selection region
can be adjusted by identifying initial and final adjustment points in a single
continuous action. The following describes the steps for mouse-based and
keyboard-based techniques:
- Mouse-based area adjust swipe technique
-
- Press the ADJUST button at the initial adjustment point.
- Move the mouse to the final adjustment point.
- Release the ADJUST button at that point.
- Keyboard-based area adjust swipe technique
- With the cursor at the initial adjustment point, hold Shift down while
pressing a navigation key to move the cursor to the final adjustment point.
When to Use
- Required
- Support the keyboard-based area adjust swipe technique when the last
operation within the scope used an area-based selection technique.
Guidelines
- Required
- When using the area adjust swipe technique, and the adjustment policy is
to reselect:
- Determine the new selection region to be the area determined by
the anchor point and the final 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 final
adjustment point.
- Required
- When using the area adjust swipe technique, and the adjustment policy is
to enlarge, make the new selection region larger than the following:
- The current selection region
- The region determined using the reselect adjustment policy
-
- Required
- When using the area adjust swipe technique, and the adjustment policy is
to balance:
- When using the keyboard-based technique, and the final adjustment
point is not within the current selection region, move (if necessary)
the anchor point so that it is at the end of the current selection
region farthest from either the initial or the final adjustment point.
(The use of the final adjustment point is recommended.)
- When using the keyboard-based technique, and the final adjustment
point is within the current selection region, or when using the
mouse-based technique, move (if necessary) the anchor point so that it
is at the end of the current selection region farthest from the initial
adjustment point.
- Determine the new selection region to be the area determined by the
new anchor point and the final 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 final
adjustment point.
- Required
- 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.
- Required
- After a mouse-based area adjust swipe 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 released
- 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
Essential Related Topics
For more information, see the Adjustment Techniques, Selection
Policies, and Selection Techniques reference pages.
Supplemental Related Topics
For more information, see the Area Adjust Click Technique, Area Click
Technique, Area Swipe Technique, Range Adjust Swipe Technique, Selection
Models, Selection Modes, and Touch Adjust Swipe Technique reference pages.
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