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Motif and CDE 2.1 Style Guide Reference
Area Swipe Technique
Reference
Description
The area swipe technique is a group selection technique in which a
rectangular area of elements can be selected or deselected by indicating the
corners of the area in a single continuous action. The following describes the
steps for mouse-based and keyboard-based techniques:
- Mouse-based area swipe technique
-
- Press the SELECT button at the initial corner of a rectangular
area.
- Move the mouse to the opposite corner of the area.
- Release the SELECT button at that opposite corner.
- Mouse-based area swipe technique, forcing toggle mode
-
- Press Ctrl SELECT at the initial corner of a rectangular area.
- Move the mouse to the opposite corner of the area.
- Release the SELECT button at that opposite corner.
- Keyboard-based area swipe technique
- Hold Shift down while pressing a navigation key. The area is determined by
the initial and final cursor positions.
When to Use
- Required
- Support the area swipe technique only when a common selection in the scope
consists of a set of spatially adjacent elements.
- Required
- Support the area swipe technique only when discontiguous selections are
allowed.
Guidelines
- Required
- Define the current selection region to consist of the specified area as
follows:
- Enlarged, if indicated by the end-point inclusion policy, to
include the element, if any, at the initial corner of the area
- Enlarged, if indicated by the end-point inclusion policy, to
include the element, if any, at the opposite corner of the area
- Required
- After a mouse-based area swipe technique is used:
- Identify the anchor point to be the point at which the SELECT
button was pressed.
- Identify the anchor element to be the element, if any, within the
selection region nearest to the anchor point.
- Required
- After a mouse-based area swipe technique, place the active cursor as
follows:
- At the point at which the SELECT button was released, if it can be
placed there
- If using an element cursor, on some element within the region
- If there are no elements in the region, where the cursor previously
was in the scope
- Required
- When using the area swipe technique in select mode:
- Select all the elements in the selection region.
- Deselect all other elements in the scope.
- Required
- If currently in select mode, pressing Ctrl SELECT instead of SELECT causes
the area swipe technique to act as if toggle mode were in use.
- Required
- When using the area swipe technique in toggle mode:
- Toggle all elements in the selection region, based on the toggling
policy.
- Do not change the selection state of the other elements.
- Required
- After a keyboard-based area swipe technique is used:
- Define the current selection region to consist of the identified
range.
- Identify the anchor point to be the initial point at which the
Shift navigation key was pressed.
- Identify the anchor element to be the element, if any, within the
selection region nearest to the anchor point.
- Required
- When using the keyboard-based area swipe technique in normal mode:
- Select all the elements in the indicated area.
- Deselect all other elements in the scope.
- Required
- When using the keyboard-based range swipe technique in add mode:
- Toggle all elements in the indicated range, based on the toggling
policy.
- Do not change the selection state of the other elements in the
scope.
Essential Related Topics
For more information, see the Selection Modes, Selection Policies, and
Selection Techniques reference pages.
Supplemental Related Topics
For more information, see the Area Adjust Click Technique, Area Adjust
Swipe Technique, Area Click Technique, Range Swipe Technique, Selection
Models, and Touch Swipe Technique reference pages.
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