listbox_scrollstep.c

来自「STM32F103ZET6+UCOSII+UCGUI源码」· C语言 代码 · 共 61 行

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI 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 redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : LISTBOX_ScrollStep.c
Purpose     : Implementation of listbox widget
---------------------------END-OF-HEADER------------------------------
*/

#include <stdlib.h>
#include "LISTBOX_Private.h"
#include "GUIDebug.h"
#include "GUI_Protected.h"
#include "WM_Intern.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       LISTBOX_SetScrollStepH
*/
void LISTBOX_SetScrollStepH(LISTBOX_Handle hObj, int Value) {
  if (hObj) {
    LISTBOX_Obj * pObj;
    WM_LOCK();
    pObj = LISTBOX_H2P(hObj);
    pObj->Props.ScrollStepH = Value;
    WM_UNLOCK();
  }
}

/*********************************************************************
*
*       LISTBOX_GetScrollStepH
*/
int LISTBOX_GetScrollStepH(LISTBOX_Handle hObj) {
  int Value = 0;
  if (hObj) {
    LISTBOX_Obj * pObj;
    WM_LOCK();
    pObj = LISTBOX_H2P(hObj);
    Value = pObj->Props.ScrollStepH;
    WM_UNLOCK();
  }
  return Value;
}

#else                            /* Avoid problems with empty object modules */
  void LISTBOX_ScrollStep_C(void) {}
#endif