Function

Summary

Sets the input focus to a pane.

Package

capi

Signature

set-pane-focus pane

Arguments

pane

An instance of a subclass of simple-pane or choice.

Description

The function set-pane-focus sets the input focus to pane or one of its children.

Example

When the user specifies a different type in this dialog, the focus moves to the text input pane:

(let* ((tp (make-instance 

            'capi:text-input-pane

            :text ""

            :change-callback 

            :redisplay-interface

            :visible-min-width 

            '(:character 30)))

       (rp (make-instance 

            'capi:radio-button-panel

            :items '(number string)

            :selection 1

            :print-function 

            'string-capitalize

            :layout-class 

            'capi:column-layout

            :callback-type :none

            :selection-callback 

            (lambda ()

              (capi:set-pane-focus tp)))))

  (capi:popup-confirmer 

   (make-instance 'capi:row-layout

                  :description 

                  (list tp rp))

   "Specify type and new value for attribute"

   :ok-check 

   (lambda (layout)

     (declare (ignore layout))

     (let ((txt (capi:text-input-pane-text tp)))

       (plusp (length txt))))

   :ok-function 

   (lambda (layout)

     (declare (ignore layout))

     (list (capi:text-input-pane-text tp)

           (capi:choice-selected-item rp)))))

See also

activate-pane
pane-got-focus