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Motif and CDE 2.1 Style Guide Reference
Drop-Down Combination Box (Control)
Reference
Description
A drop-down combination box is a combination text-list control in which the
text field is a text-entry field that is always visible, but the list box is
hidden until the user performs an action to display it.
Figure 15 illustrates a drop-down text-entry field and
Figure 16 illustrates a drop-down list.
Figure 15. Drop-Down Text-Entry Field.
Figure 16. Drop-Down List.
When to Use
- Recommended
- Use a drop-down combination box when a window does not have enough space
to contain a combination box.
Guidelines
- Required
- If the drop-down combination box has focus and the list box is displayed,
remove the list box if the user presses Cancel or Escape and leave focus in
the text-entry field.
- Required
- Do not allow the list box in a drop-down combination box to take focus.
Essential Related Topics
For more information, see the Combination Box (Control), Combination
Text-List Control (Control Type), Control, Drop-Down List (Control), and List
Box (Control) reference pages.
Supplemental Related Topics
For more information, see the Emphasis (Cue) and Text-Entry Field
(Control) reference pages.
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