DROPDOWN_Private.h

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/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2015  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.28 - 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        : DROPDOWN_Private.h
Purpose     : DROPDOWN private header file
--------------------END-OF-HEADER-------------------------------------
*/

#ifndef DROPDOWN_PRIVATE_H
#define DROPDOWN_PRIVATE_H

#include "DROPDOWN.h"
#include "WIDGET.h"
#include "GUI_ARRAY.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
#define DROPDOWN_SF_AUTOSCROLLBAR DROPDOWN_CF_AUTOSCROLLBAR

/*********************************************************************
*
*       Object definition
*
**********************************************************************
*/
typedef struct {
  WIDGET_DRAW_ITEM_FUNC * pfDrawSkin;
} DROPDOWN_SKIN_PRIVATE;

typedef struct {
  const GUI_FONT * pFont;
  GUI_COLOR aBackColor[3];
  GUI_COLOR aTextColor[3];
  GUI_COLOR aColor[2];
  GUI_COLOR aScrollbarColor[3];
  DROPDOWN_SKIN_PRIVATE SkinPrivate;
  I16       TextBorderSize;
  I16       Align;
} DROPDOWN_PROPS;

typedef struct {
  WIDGET  Widget;
  I16     Sel;        // Current selection
  I16     ySizeLB;    // ySize of assigned LISTBOX in expanded state
  I16     TextHeight;
  GUI_ARRAY Handles;
  WM_SCROLL_STATE ScrollState;
  DROPDOWN_PROPS Props;
  WIDGET_SKIN const * pWidgetSkin;
  WM_HWIN hListWin;
  U8      Flags;
  U16     ItemSpacing;
  U8      ScrollbarWidth;
  char  IsPressed;
  WM_HMEM hDisabled;
} DROPDOWN_Obj;

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

#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  DROPDOWN_Obj * DROPDOWN_LockH(DROPDOWN_Handle h);
  #define DROPDOWN_LOCK_H(h)   DROPDOWN_LockH(h)
#else
  #define DROPDOWN_LOCK_H(h)   (DROPDOWN_Obj *)GUI_LOCK_H(h)
#endif

/*********************************************************************
*
*       Private (module internal) data
*
**********************************************************************
*/

extern DROPDOWN_PROPS DROPDOWN__DefaultProps;

extern const WIDGET_SKIN DROPDOWN__SkinClassic;
extern       WIDGET_SKIN DROPDOWN__Skin;

extern WIDGET_SKIN const * DROPDOWN__pSkinDefault;

/*********************************************************************
*
*       Private functions
*
**********************************************************************
*/

void DROPDOWN__AdjustHeight(DROPDOWN_Handle hObj);
int  DROPDOWN__GetNumItems (DROPDOWN_Obj * pObj);
const char * DROPDOWN__GetpItemLocked(DROPDOWN_Handle hObj, int Index);

#endif // GUI_WINSUPPORT
#endif // DROPDOWN_PRIVATE_H