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Edit key - the interaction is different, causing the action on the key release
event.
Certain keys, possibly in certain contexts only, may perform key repeat. Key
repeat starts after long key press timeout when the key is continuously being
held down, and the associated function is performed according to the key repeat
frequency, for example 3 times/second. (The repeat frequency may be user
adjustable.) Moving the cursor in an editor is a typical case where key repeat can
be used.
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Long key press action and key repeat actions are not defined at the same time;
only one of those can occur in the given context.
The primary key press action should not be conflicting with the long key press
action or key repeat action.
With some input hardware, long key presses and key repeat may not be possible.
The roller is an example of such an input device. The long key press actions and
key repeat actions should be designed so that this does not cause harm: the
long key press must never be the only way to do a function.
Keypad tone
A tone can be generated whenever a key event occurs. The tones for short key press
(actually a key down event) and long key press are different; a key repeat event uses
the long key press tone.
Keypad tone can be adjusted or turned off by the user.
Typical functions of the standard keys
Scroll up / Scroll down - Move focus one item up/down in lists and grids.
- Move cursor one line up/down in editors.
- Scroll view one page up/down in viewers.
Scroll left / Scroll right - Move focus one item left/right in grids.
- Move cursor one character left/right in editors.
- Move to previous/next view in tabbed views.
- Move to previous/next folder view in hierarchical
folder structures.
- Move to previous/next document or view in
certain document viewers.
- Adjust sound volume during calls and sound
playback.
- Changes the value in pop-up field immediately.
Select - Open the focused item (e.g. document or folder) in
selection lists and grids.
- Select an option in menus and lists.
- Open a context - specific options menu when
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