dropdown_private.h

来自「An Demo of uCGUI from SEGGER」· C头文件 代码 · 共 115 行

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2004  SEGGER Microcontroller Systeme GmbH        *
*                                                                    *
*        Internet: www.segger.com    Support:  [e-mail]    *
*                                                                    *
**********************************************************************

***** emWin - Graphical user interface for embedded applications *****
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 a license and should not be re-
distributed in any way. 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 {
  const GUI_FONT GUI_UNI_PTR * pFont;
  GUI_COLOR aBackColor[3];
  GUI_COLOR aTextColor[3];
  GUI_COLOR aColor[2];
  GUI_COLOR aScrollbarColor[3];
  I16       TextBorderSize;
  I16       Align;
} DROPDOWN_PROPS;

typedef struct {
  WIDGET  Widget;
  I16     Sel;                        /* current selection */
  I16     ySizeEx;                    /* Drop down size */
  I16     TextHeight;
  GUI_ARRAY Handles;
  WM_SCROLL_STATE ScrollState;
  DROPDOWN_PROPS Props;
  WM_HWIN hListWin;
  U8      Flags;
  U16     ItemSpacing;
  U8      ScrollbarWidth;
  char  IsPressed;
  WM_HMEM hDisabled;
  #if GUI_DEBUG_LEVEL >1
    int DebugId;
  #endif  
} DROPDOWN_Obj;

/*********************************************************************
*
*       Macros for internal use
*
**********************************************************************
*/
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  #define DROPDOWN_INIT_ID(p) p->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;

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

void DROPDOWN__AdjustHeight(DROPDOWN_Handle hObj);
int  DROPDOWN__GetNumItems (DROPDOWN_Obj * pObj);

#endif /* GUI_WINSUPPORT */
#endif /* DROPDOWN_PRIVATE_H */