-*- mode: outline -*-

* About GUI.

* Widgets.

  http://en.wikipedia.org/wiki/GUI_widget

** Menu.

  http://en.wikipedia.org/wiki/Menu_%28computing%29

*** Context menu.

  http://en.wikipedia.org/wiki/Context_menu

** Menubar.

  http://en.wikipedia.org/wiki/Menu_bar

** Toolbar.

  http://en.wikipedia.org/wiki/Toolbar

** Taskbar.

  http://en.wikipedia.org/wiki/Taskbar

** Status bar.

  http://en.wikipedia.org/wiki/Status_bar

** Scrollbar.

  http://en.wikipedia.org/wiki/Scrollbar

** Progress bar.

  http://en.wikipedia.org/wiki/Progress_bar

** Infobar.

  http://en.wikipedia.org/wiki/Infobar

** Tab.

  http://en.wikipedia.org/wiki/Tab_%28GUI%29

** Label.

  http://en.wikipedia.org/wiki/Label_%28control%29

** Text box.

  http://en.wikipedia.org/wiki/Text_box

** Check box.

  http://en.wikipedia.org/wiki/Check_box

** List box.

  http://en.wikipedia.org/wiki/List_box

** Combo box.

  http://en.wikipedia.org/wiki/Combo_box

** Drop-down list.

  http://en.wikipedia.org/wiki/Drop-down_list

** Radio button.

  http://en.wikipedia.org/wiki/Radio_button

** Spinner.

  http://en.wikipedia.org/wiki/Spinner_%28computing%29

** Slider.

  http://en.wikipedia.org/wiki/Slider_%28computing%29

** Balloon help.

  http://en.wikipedia.org/wiki/Balloon_help

** Tooltip.

  http://en.wikipedia.org/wiki/Tooltip

** Toast.

  http://en.wikipedia.org/wiki/Toast_%28computing%29

** Grid view.

  http://en.wikipedia.org/wiki/Grid_view

** Tree view.

  http://en.wikipedia.org/wiki/Tree_view

** Disclosure widget.

  http://en.wikipedia.org/wiki/Disclosure_widget

** Icon.

  http://en.wikipedia.org/wiki/Computer_icon

** Dialog box.

  http://en.wikipedia.org/wiki/Dialog_box

** Splash screen.

  http://en.wikipedia.org/wiki/Splash_screen