BOOL GetScrollInfoEx(HWND hWnd, int iSBar, LPSCROLLINFO lpsi) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
if( lpsi->fMask & SIF_RANGE )
{
lpsi->nMin = pSBar->minPos;
lpsi->nMax = pSBar->maxPos;
}
if( lpsi->fMask & SIF_POS )
{
lpsi->nPos = pSBar->curPos;
}
if( lpsi->fMask & SIF_PAGE )
lpsi->nPage = pSBar->pageStep;
return TRUE;
}
BOOL SetScrollRangeEx (HWND hWnd, int iSBar, int iMinPos, int iMaxPos) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
RECT rcBar;
DWORD dwStyle; /* jmt:2k0820 */
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
pSBar->minPos = (iMinPos < iMaxPos)?iMinPos:iMaxPos;
pSBar->maxPos = (iMinPos > iMaxPos)?iMinPos:iMaxPos;
/* validate parameters. */
if (pSBar->curPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
if (pSBar->pageStep <= 0)
pSBar->pageStep = 0;
else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1))
pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */
if (dwStyle == SBS_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
wndScrollBarPos (pWin, dwStyle == SBS_HORZ, &rcBar);
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintScrollbars(hWnd,NULL,dwStyle); /* a must */
#endif
return TRUE;
}
BOOL ShowScrollBar (HWND hWnd, int iSBar, BOOL bShow)
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
BOOL bPrevState;
RECT rcBar;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
bPrevState = !(pSBar->status & SBS_HIDE);
if (bShow && !bPrevState)
pSBar->status &= ~SBS_HIDE;
else if (!bShow && bPrevState)
pSBar->status |= SBS_HIDE;
else
return FALSE;
#if 0//fix: no WM_CHANGESIZE
SendMessage (hWnd, WM_CHANGESIZE, 0, 0);
#endif
if (iSBar == SB_VERT)
wndGetVScrollBarRect (pWin, &rcBar);
else
wndGetHScrollBarRect (pWin, &rcBar);
{
RECT rcWin, rcClient;
memcpy (&rcWin, &pWin->winrect.left, sizeof (RECT));
rcClient.left = 0;
rcClient.top = 0;
rcClient.right = pWin->clirect.right - pWin->clirect.left;
rcClient.bottom = pWin->clirect.bottom - pWin->clirect.top;
#if 0//fix: no WM_SIZECHANGED
SendMessage/*SendAsyncMessage*/ (hWnd, WM_SIZECHANGED,
(WPARAM)&rcWin, (LPARAM)&rcClient);
#endif
}
if (bShow) {
SendMessage (hWnd, WM_NCPAINT, 0, 0);
}
else {
rcBar.left -= pWin->clirect.left;
rcBar.top -= pWin->clirect.top;
rcBar.right -= pWin->clirect.left;
rcBar.bottom -= pWin->clirect.top;
SendMessage (hWnd, WM_NCPAINT, 0, 0);
InvalidateRect (hWnd, &rcBar, TRUE);
}
return TRUE;
}
BOOL SetScrollRange (HWND hWnd, int iSBar, int iMinPos, int iMaxPos)
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
RECT rcBar;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
pSBar->minPos = (iMinPos < iMaxPos)?iMinPos:iMaxPos;
pSBar->maxPos = (iMinPos > iMaxPos)?iMinPos:iMaxPos;
// validate parameters.
if (pSBar->curPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
if (pSBar->pageStep <= 0)
pSBar->pageStep = 0;
else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1))
pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
if (iSBar == SB_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
wndScrollBarPos (pWin, iSBar == SB_HORZ, &rcBar);
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintNCScrollbars(hWnd,NULL);//a must
#endif
return TRUE;
}
BOOL GetScrollPosEx (HWND hWnd, int iSBar, int* pPos) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
*pPos = pSBar->curPos;
return TRUE;
}
BOOL GetScrollPos (HWND hWnd, int iSBar, int* pPos)
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
*pPos = pSBar->curPos;
return TRUE;
}
BOOL GetScrollRangeEx (HWND hWnd, int iSBar, int* pMinPos, int* pMaxPos) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
*pMinPos = pSBar->minPos;
*pMaxPos = pSBar->maxPos;
return TRUE;
}
BOOL SetScrollPos (HWND hWnd, int iSBar, int iNewPos)//ok
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
RECT rcBar;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
if (iNewPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
else
pSBar->curPos = iNewPos;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
if (iSBar == SB_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
wndScrollBarPos (pWin, iSBar == SB_HORZ, &rcBar);
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintNCScrollbars(hWnd,NULL);//a must
#endif
return TRUE;
}
BOOL EnableScrollBarEx (HWND hWnd, int iSBar, BOOL bEnable) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
BOOL bPrevState;
RECT rcBar;
DWORD dwStyle; /* jmt:2k0820 */
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
bPrevState = !(pSBar->status & SBS_DISABLED);
if (bEnable && !bPrevState)
pSBar->status &= ~SBS_DISABLED;
else if (!bEnable && bPrevState)
pSBar->status |= SBS_DISABLED;
else
return FALSE;
dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */
if (dwStyle == SBS_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintScrollbars(hWnd,NULL,dwStyle); /* a must */
#endif
return TRUE;
}
BOOL EnableScrollBar (HWND hWnd, int iSBar, BOOL bEnable)//ok
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
BOOL bPrevState;
RECT rcBar;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )//ok
return FALSE;
bPrevState = !(pSBar->status & SBS_DISABLED);
if (bEnable && !bPrevState)
pSBar->status &= ~SBS_DISABLED;
else if (!bEnable && bPrevState)
pSBar->status |= SBS_DISABLED;
else
return FALSE;
if (iSBar == SB_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintNCScrollbars(hWnd,NULL);//a must
#endif
return TRUE;
}
BOOL ShowScrollBarEx (HWND hWnd, int iSBar, BOOL bShow) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
BOOL bPrevState;
RECT rcBar;
DWORD dwStyle; /* jmt:2k0820 */
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
bPrevState = !(pSBar->status & SBS_HIDE);
if (bShow && !bPrevState)
pSBar->status &= ~SBS_HIDE;
else if (!bShow && bPrevState)
pSBar->status |= SBS_HIDE;
else
return FALSE;
#if 0 /* fix: no WM_CHANGESIZE */
SendMessage (hWnd, WM_CHANGESIZE, 0, 0);
#endif
dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */
if (dwStyle == SBS_VERT)
wndGetVScrollBarRect (pWin, &rcBar);
else
wndGetHScrollBarRect (pWin, &rcBar);
{
RECT rcWin, rcClient;
memcpy (&rcWin, &pWin->winrect.left, sizeof (RECT));
rcClient.left = 0;
rcClient.top = 0;
rcClient.right = pWin->clirect.right - pWin->clirect.left;
rcClient.bottom = pWin->clirect.bottom - pWin->clirect.top;
#if 0 /* fix: no WM_SIZECHANGED */
SendMessage (hWnd, WM_SIZECHANGED,
(WPARAM)&rcWin, (LPARAM)&rcClient);
#endif
}
if (bShow) {
SendMessage (hWnd, WM_NCPAINT, 0, 0);
}
else {
rcBar.left -= pWin->clirect.left;
rcBar.top -= pWin->clirect.top;
rcBar.right -= pWin->clirect.left;
rcBar.bottom -= pWin->clirect.top;
SendMessage (hWnd, WM_NCPAINT, 0, 0);
InvalidateRect (hWnd, &rcBar, TRUE);
}
return TRUE;
}
BOOL SetScrollInfoEx (HWND hWnd, int iSBar,
LPCSCROLLINFO lpsi, BOOL fRedraw) /* jmt: iSBar not used */
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
RECT rcBar;
DWORD dwStyle; /* jmt:2k0820 */
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin)) )
return FALSE;
if( lpsi->fMask & SIF_RANGE )
{
pSBar->minPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMin:lpsi->nMax;
pSBar->maxPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMax:lpsi->nMin;
}
if( lpsi->fMask & SIF_POS )
pSBar->curPos = lpsi->nPos;
if( lpsi->fMask & SIF_PAGE )
pSBar->pageStep = lpsi->nPage;
/* validate parameters. */
if (pSBar->curPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
if (pSBar->pageStep <= 0)
pSBar->pageStep = 0;
else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1))
pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
dwStyle = (GetWindowStyle (hWnd) & SBS_TYPEMASK); /* jmt: 2k0820 */
if(fRedraw)
{
if (dwStyle == SBS_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
wndScrollBarPos (pWin, dwStyle == SBS_HORZ, &rcBar);
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintScrollbars(hWnd,NULL,dwStyle); /* a must */
#endif
}
return TRUE;
}
BOOL SetScrollInfo (HWND hWnd, int iSBar,
LPCSCROLLINFO lpsi, BOOL fRedraw)//ok
{
PMWSCROLLBARINFO pSBar;
HWND pWin;
RECT rcBar;
pWin = (HWND)hWnd;
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
if( lpsi->fMask & SIF_RANGE )
{
pSBar->minPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMin:lpsi->nMax;
pSBar->maxPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMax:lpsi->nMin;
}
if( lpsi->fMask & SIF_POS )
pSBar->curPos = lpsi->nPos;
if( lpsi->fMask & SIF_PAGE )
pSBar->pageStep = lpsi->nPage;
// validate parameters.
if (pSBar->curPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
if (pSBar->pageStep <= 0)
pSBar->pageStep = 0;
else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1))
pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
if(fRedraw)
{
if (iSBar == SB_VERT)
{
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.left --;
rcBar.right --;
}
else
{
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.top --;
rcBar.bottom --;
}
wndScrollBarPos (pWin, iSBar == SB_HORZ, &rcBar);
#if 0
SendMessage (hWnd, WM_NCPAINT, 0, (LPARAM)(&rcBar));
#else
MwPaintNCScrollbars(hWnd,NULL);//a must
#endif
}
return TRUE;
}
