A radio box is a special kind of gadget that constrains one or more toggle buttons. At any one time, only one of the buttons managed by the radio box may be "on." A radio box is responsible for laying out its contents (the buttons that it contains). So that the value of the radio box can be properly computed, it is a client of each of its buttons. As the current selection changes, the previously selected button and the newly selected button both have their value-changed-callback handlers invoked.
Like a radio box, a check box is a gadget that constrains a number of toggle buttons, but unlike a radio box, a check box may have zero or more of its buttons selected at a time.
Summary: The class that implements a radio box. It is a subclass of value-gadget and oriented-gadget-mixin .
Summary: This is used to specify which button, if any, should be initially selected.
radio-box-current-selection [Generic Function]
(setf radio-box-current-selection) [Generic Function]
Summary: Returns (or sets) the current selection for the radio box. The current selection will be one of the toggle buttons in the box.
radio-box-selections [Generic Function]
Summary: Returns a sequence of all the selections in the radio box. The elements of the sequence will be toggle buttons.
gadget-value [Generic Function]
Arguments: (button radio-box )
Summary: Returns the selected button (i.e., returns the same value as radio-box-current-selection).
Summary: The class that implements a portable radio box; it is a subclass of radio-box .
Summary: The class that implements a check box. check-box is a subclass of value-gadget and oriented-gadget-mixin .
Summary: This is used to specify which button, if any, should be initially selected.
check-box-current-selection [Generic Function]
(setf check-box-current-selection) [Generic Function]
Summary: Returns (or sets) the current selection for the check box. The current selection will be a list of zero or more of the toggle buttons in the box.
check-box-selections [Generic Function]
Summary: Returns a sequence of all the selections in the check box. The elements of the sequence will be toggle buttons.
gadget-value [Generic Function]
Arguments: (button check-box )
Summary: Returns the selected buttons as a list (i.e., returns the same value as check-box-current-selection).
Summary: The class that implements a portable check box; it is a subclass of check-box .
with-radio-box [Macro]
Arguments: ( &rest options &key (type one-of ) &allow-other-keys ) &body body
Summary: Creates a radio box whose buttons are created by the forms in body . The macro radio-box-current-selection can be wrapped around one of forms in body in order to indicate that that button is the current selection.
A radio box will be created if type is :one-of , a check box if :some-of .
For example, the following creates a radio box with three buttons in it, the second of which is initially selected.
(with-radio-box ()
(make-pane 'toggle-button :label "Mono")
(radio-box-current-selection
(make-pane 'toggle-button :label "Stereo"))
(make-pane 'toggle-button :label "Quad"))
The following simpler form can be used when you do not need to control the appearance of each button closely.
(with-radio-box () "Mono" "Stereo" "Quad")