libxfce4panel Reference Manual

API Reference
  Writing Plugins —

  Information for plugin writers

  XfcePanelPlugin —

  Panel plugin interface.

  XfceExternalPanelPlugin —

  External plugin widget.

  XfceInternalPanelPlugin —

  Internal panel plugin.

  Convenience Functions —

  Special purpose widgets and utilities.

  XfceArrowButton —

  Toggle button with arrow.

  XfcePanelWindow —

  A toplevel borderless window with optional move handles.

  XfceItembar —

  Container widget with configurable orientation.

  XfceHVBox —

  Container widget with configurable orienation.

  Standard Enumerations —

  Standard enumerations used by the Xfce Panel.