+(defun adjustment-new (value lower upper step-increment page-increment page-size)
+ (make-instance 'adjustment
+ :value value :lower lower :upper upper :step-increment step-increment
+ :page-increment page-increment :page-size page-size))
+
+(defun create-action (name &optional stock-id label accelerator tooltip
+ callback &rest initargs)
+ (let ((action (apply #'make-instance 'action
+ :name (string name) :stock-id stock-id :label label
+ :tooltip tooltip :accelerator accelerator initargs)))
+ (when callback
+ (signal-connect action 'activate callback))
+ action))
+
+(defun create-toggle-action (name &optional stock-id label accelerator
+ tooltip active callback &rest initargs)
+ (let ((action (apply #'make-instance 'toggle-action
+ :name (string name) :stock-id stock-id :label label
+ :tooltip tooltip :active active :accelerator accelerator
+ initargs)))
+ (when callback
+ (signal-connect action 'activate
+ #'(lambda ()
+ (funcall callback (toggle-action-active-p action))))
+ (funcall callback active))
+ action))
+
+(defun create-radio-actions (specs &optional active callback &rest initargs)
+ (loop
+ with group = nil
+ for spec in specs
+ collect (destructuring-bind (name &optional stock-id label accelerator
+ tooltip (value name))
+ (mklist spec)
+ (let ((action (apply #'make-instance 'radio-action
+ :name (string name) :stock-id stock-id
+ :label label :tooltip tooltip
+ :accelerator accelerator initargs)))
+ (when (equal active value)
+ (setf (toggle-action-active-p action) t)
+ (when callback
+ (funcall callback value)))
+
+ (if (not group)
+ (setq group action)
+ (radio-action-add-to-group action group))
+ (when callback
+ (signal-connect action 'activate
+ #'(lambda ()
+ (funcall callback value))))
+ action))))