When the user has set the input focus in the workspace
to track the pointer, use an implicit focus policy to move focus
from window to window by always ensuring that the window under the
pointer has the focus.
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When the user has set the input focus in the workspace
to be explicitly changed, use an explicit focus policy to move focus
from window to window.
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When the user has set the input focus within a window
to track the pointer, use an implicit focus policy to move focus
from control to control within that window by always ensuring that
the control under the pointer has the focus.
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When the user has set the input focus within a window
to be explicitly changed, use an explicit focus policy to move focus
from control to control, except within controls that are spring
sensitive.
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When an explicit focus policy is in use in a workspace,
and the user presses the SELECT button (optionally augmented by
Shift and/or Ctrl)
in a window, move the focus to that window.
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When an explicit focus policy is in use in a window,
and the user presses the SELECT button (possibly augmented by Shift
and/or Ctrl) in a control that
can take focus, in addition to performing any action the control
binds to the button press, move the focus to the control, unless
the control is used to change the visible portion of some area (for
example, a scroll bar).
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When a window that uses an explicit keyboard focus
policy acquires focus through either keyboard navigation or a button
press (but not by pressing SELECT [possibly augmented by Shift
and/or Ctrl ] in a control in
that window) causing that control to take focus, then move the focus
to the control that last had focus in the window if the following
are true:
The window had the focus at some time
in the past (whether or not it has been minimized since then)
The control that last had focus in the window is
still able to receive input focus
Otherwise, move focus to either of the following:
The control with which the user is
most likely to want to interact
The initial control of the first tab group in the
window
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Do not change the state, appearance, or behavior
of a control when the user uses the keyboard to move the input focus
to the control, except for showing focus emphasis. For example,
when the user moves through a set of radio buttons with the directional
keys, do not change the state of any of the radio buttons.
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When the user presses Ctrl
SELECT on a control that can take focus, move focus to the control
but do not perform any other action unless pressing Ctrl
SELECT already has a predefined meaning in that control.