scroll.h

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#pragma once
 
typedef VOID (NEAR NTAPI *PFN_SCROLLBAR)(PWND, UINT, WPARAM, LPARAM, PSBCALC);
 
typedef struct tagSBTRACK
{
    ULONG    fHitOld:1;
    ULONG    fTrackVert:1;
    ULONG    fCtlSB:1;
    ULONG    fTrackRecalc:1;
    PWND     spwndTrack;
    PWND     spwndSB;
    PWND     spwndSBNotify;
    RECT     rcTrack;
    PFN_SCROLLBAR xxxpfnSB;
    UINT     cmdSB;
    UINT_PTR hTimerSB;
    INT      dpxThumb;
    INT      pxOld;
    INT      posOld;
    INT      posNew;
    INT      nBar;
    PSBCALC  pSBCalc;
} SBTRACK, *PSBTRACK;
 
/*
typedef struct _SBINFOEX
{
  SCROLLBARINFO ScrollBarInfo;
  SCROLLINFO ScrollInfo;
} SBINFOEX, *PSBINFOEX;
*/
#define IntGetScrollbarInfoFromWindow(Window, i) \
  ((PSCROLLBARINFO)(&((Window)->pSBInfoex + i)->ScrollBarInfo))
 
#define IntGetScrollInfoFromWindow(Window, i) \
  ((LPSCROLLINFO)(&((Window)->pSBInfoex + i)->ScrollInfo))
 
#define SBOBJ_TO_SBID(Obj)  ((Obj) - OBJID_HSCROLL)
#define SBID_IS_VALID(id)   (id == SB_HORZ || id == SB_VERT || id == SB_CTL)
 
BOOL FASTCALL co_IntCreateScrollBars(PWND);
BOOL FASTCALL IntDestroyScrollBars(PWND);
DWORD FASTCALL co_UserShowScrollBar(PWND,int,BOOL,BOOL);
BOOL FASTCALL co_IntGetScrollBarInfo(PWND,LONG,PSCROLLBARINFO);
BOOL FASTCALL co_IntSetScrollBarInfo(PWND,LONG,PSETSCROLLBARINFO);
void IntDrawScrollBar(PWND,HDC,INT);
BOOL FASTCALL IntScrollWindow(PWND,int,int,CONST RECT*,CONST RECT*);
DWORD FASTCALL IntScrollWindowEx(PWND,INT,INT,const RECT*,const RECT*,HRGN,LPRECT,UINT);