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Motif and CDE 2.1 Style Guide Reference


Command Area (Area)

Reference

Description

A command area is an area in a window that provides a place for users to enter commands. Figure 7 illustrates a command area.

Figure 7. Command Area.




View figure.

When to Use

Recommended
Provide a command area for entering commands if a task analysis of the user's tasks shows that the user will need to enter commands.

Recommended
Use a command area with a text-entry field if commands are simple textual strings or are unique and not usually repeated.

Recommended
Use a command area with a command box if the user could use a history list of past commands for repetition or for composing a new command.

Recommended
Use a command area consisting of push buttons if the user will issue commands from only a small set (from two to ten) of fixed commands.

Recommended
Do not use a command area consisting of push buttons if the user will issue commands from a medium-sized set (from ten to twenty) of commands. Instead, place a critical subset in the command area as push buttons and place the rest in a palette area or in menus.

Guidelines

Required
If you include a command area, provide a text-entry field or a command box or a group of push buttons or both for common actions.

Required
Do not scroll the command area when the viewing areas of the window are scrolled.

Recommended
If you include a command area, design it to run from border to border across the width of the window.

Recommended
If you include a command area in a window that has an information area, place the command area just above the information area. Otherwise, place the command area at the bottom of the window.

Essential Related Topics

For more information, see the Command Box (Control) and Push Button (Control) reference pages.

Supplemental Related Topics

For more information, see the Information and Message Areas (Area) reference page.


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