/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2017  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.40 - 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  to STMicroelectronics International
N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
troller products commercialized by Licensee only, sublicensed and dis_
tributed under the terms and conditions of the End User License Agree_
ment supplied by STMicroelectronics International N.V.
Full source code is available at: www.segger.com

We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : KNOB.h
Purpose     : KNOB include
--------------------END-OF-HEADER-------------------------------------
*/

/**
  ******************************************************************************
  * @attention
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */
  
#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
