xbmc/guilib/ISliderCallback.h

   1 /*
   2  *  Copyright (C) 2013-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 class CGUISliderControl;
  12
  13 /*!
  14  \brief Interface class for callback from the slider dialog
  15
  16  Used to pass feedback from the slider dialog to a caller.  Users of the
  17  slider dialog should derive from this class if they wish to respond to changes
  18  in the slider by the user as they happen.  OnSliderChange is called in response
  19  to the user moving the slider.  The caller may then update the text on the slider
  20  and update anything that should be changed as the slider is adjusted.
  21
  22  \sa CGUIDialogSlider
  23  */
  24 class ISliderCallback
  25 {
  26 public:
  27   virtual ~ISliderCallback() = default;
  28
  29   /*!
  30    \brief Callback function called whenever the user moves the slider
  31
  32    \param data pointer of callbackData
  33    \param slider pointer to the slider control
  34    */
  35   virtual void OnSliderChange(void *data, CGUISliderControl *slider) = 0;
  36 };