File content as of revision 10:c8165817d92a:

/*********************************************************************
*                 SEGGER Software GmbH                               *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.48 - Graphical user interface for embedded applications **
All  Intellectual Property rights in the Software belongs to  SEGGER.
emWin is protected by  international copyright laws.  Knowledge of the
source code may not be used to write a similar product. This file may
only be used in accordance with the following terms:

The  software has  been licensed by SEGGER Software GmbH to Nuvoton Technology Corporationat the address: No. 4, Creation Rd. III, Hsinchu Science Park, Taiwan
for the purposes  of  creating  libraries  for its 
Arm Cortex-M and  Arm9 32-bit microcontrollers, commercialized and distributed by Nuvoton Technology Corporation
under  the terms and conditions  of  an  End  User  
License  Agreement  supplied  with  the libraries.
Full source code is available at: www.segger.com

We appreciate your understanding and fairness.
----------------------------------------------------------------------
Licensing information
Licensor:                 SEGGER Software GmbH
Licensed to:              Nuvoton Technology Corporation, No. 4, Creation Rd. III, Hsinchu Science Park, 30077 Hsinchu City, Taiwan
Licensed SEGGER software: emWin
License number:           GUI-00735
License model:            emWin License Agreement, signed February 27, 2018
Licensed platform:        Cortex-M and ARM9 32-bit series microcontroller designed and manufactured by or for Nuvoton Technology Corporation
----------------------------------------------------------------------
Support and Update Agreement (SUA)
SUA period:               2018-03-26 - 2019-03-27
Contact to extend SUA:    sales@segger.com
----------------------------------------------------------------------
File        : KNOB.h
Purpose     : KNOB include
--------------------END-OF-HEADER-------------------------------------
*/

#ifndef KNOB_PRIVATE_H
#define KNOB_PRIVATE_H

#include "KNOB.h"
#include "GUI_Private.h"

#if (GUI_SUPPORT_MEMDEV && GUI_WINSUPPORT)

/*********************************************************************
*
*       Object definition
*
**********************************************************************
*/
typedef struct {
  I32 Snap;          // Position where the knob snaps
  I32 Period;        // Time it takes to stop the knob in ms
  GUI_COLOR BkColor; // The Bk color
  I32 Offset;        // the offset
  I32 MinRange;
  I32 MaxRange;
  I32 TickSize;      // Minimum movement range in 1/10 of degree
  I32 KeyValue;      // Range of movement for one key push
} KNOB_PROPS;

typedef struct {
  WIDGET Widget;
  KNOB_PROPS Props;
  WM_HMEM hContext;
  I32 Angle;
  I32 Value;
  int xSize;
  int ySize;
  GUI_MEMDEV_Handle hMemSrc;
  GUI_MEMDEV_Handle hMemDst;
  GUI_MEMDEV_Handle hMemBk;
} KNOB_OBJ;

/*********************************************************************
*
*       Macros for internal use
*
**********************************************************************
*/
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  #define KNOB_INIT_ID(p) p->Widget.DebugId = KNOB_ID
#else
  #define KNOB_INIT_ID(p)
#endif

#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  KNOB_OBJ * KNOB_LockH(KNOB_Handle h);
  #define KNOB_LOCK_H(h)   KNOB_LockH(h)
#else
  #define KNOB_LOCK_H(h)   (KNOB_OBJ *)GUI_LOCK_H(h)
#endif

/*********************************************************************
*
*       Module internal data
*
**********************************************************************
*/
extern KNOB_PROPS KNOB__DefaultProps;

#endif   // (GUI_SUPPORT_MEMDEV && GUI_WINSUPPORT)
#endif   // KNOB_PRIVATE_H