uiscroll.h

嵌入工linux开发的源码

/*********************************************************
    FILE: scroll.h (/rtos/kernel/usrlib/pda_win/include/) 
    Basic Window Widget : ScrollBar
    Copyright (c) 2001, Reality Technology CO. LTD.
    AUTHOR: Cangers <[e-mail]>
    HISTORY: >2001-10-16

**********************************************************/

#ifndef _GUI_SCROLL_H_
#define _GUI_SCROLL_H_

#include <uicontrol.h>

//style
#define SCROLL_HOR              SCROLL_HORIZONTAL
#define SCROLL_VER              SCROLL_VERTICAL //default style

#define SCROLL_VERTICAL             0x00  //default style
#define SCROLL_HORIZONTAL           0x01

// SCROLL_NORMAL                default style
#define SCROLL_SPIN                 0x02
#define SCROLL_3DMODE               0x80

#define SCROLL_SPIN_NONE            0x00  //default style
#define SCROLL_WIN2D                0x00
#define SCROLL_WIN3D                SCROLL_3DMODE

//FOR VPORT  
#define SCROLL_POPUP                0X04
//================================================================
//#define _SCROLLBAR_WIDTH_      7
#define _SCROLLBAR_WIDTH_        8                           // by zhangxp
#define _SCROLL_ICON_WIDTH_    _SCROLLBAR_WIDTH_
#define _SCROLL_ICON_HEIGHT_   _SCROLLBAR_WIDTH_

//===============================================================
#define guiScroll_GetCurrentPos guiScroll_GetPos
#define guiScroll_Draw 			guiScroll_SetPos 

/*********************<<DATA STRUCTURE>>**************************/
typedef struct tagGuiScroll     
{
   TGuiControl base ;   
   // extention attribute 
   WORD total;
   WORD page;
   WORD current;
   WORD Bar_Min;
   WORD Bar_Max;
   short nOld_x;
   short nOld_y; 
   short nOld_Min;  
}TGUISCROLL,*PTGUISCROLL;

/*
*********************************************************************************************************
*      FUNCTION DECLARATION
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*  return the handle of the new scroll
*  return 0 if something wrong !!
*    style =
*    default                    : ext = bottom;
*    SCROLL_SPIN                : ext = (no use);
*    HORIZONTAL                 : ext = right;  
*  EX: total = 100, current絛瞅0 ~ 99
*********************************************************************************************************
*/
DLL_EXP(HNDL) guiScroll_Create(WORD left, WORD top, WORD ext, WORD total, WORD page, WORD style);

/*
*********************************************************************************************************
*      return STATUS_ERR if some wrong happend ,else return the correct Position
*********************************************************************************************************
*/
DLL_EXP(short) guiScroll_GetPos( HNDL handle);

/*
*********************************************************************************************************
*      	return STATUS_ERR if some wrong happend !!
*********************************************************************************************************
*/
DLL_EXP(STATUS)     guiScroll_SetPos( HNDL handle ,WORD currentpos);
/*
*********************************************************************************************************
*    	return STATUS_ERR if some wrong happend !!
*********************************************************************************************************
*/
DLL_EXP(STATUS)     guiScroll_Update(HNDL handle, WORD total, WORD page, WORD current);
/*
*********************************************************************************************************
*      	return STATUS_ERR if some wrong happend !!
*********************************************************************************************************
*/
DLL_EXP(STATUS)     guiScroll_PageDown( HNDL handle );
/*
*********************************************************************************************************
*      	return STATUS_ERR if some wrong happend !!
*********************************************************************************************************
*/
DLL_EXP(STATUS)     guiScroll_PageUp( HNDL handle );

#define guiScroll_Show guiControl_Show
/***************<privary funtion>**********************/

#endif