void ExtFrame::IncrementSpin(CSpinButtonCtrl& spin, CEdit& edit, unsigned int val)
{
char num[33];
_ultoa_s(val, num, sizeof(num), 10);
spin.SetPos(val);
edit.SetWindowText(num);
ScrollEnd(edit);
}
BOOL ScrollImage( HWND hWnd, BOOL fVScroll, UINT code, int pos )
/************************************************************************/
{
int fy, dy, fx, dx;
RECT rScroll;
BOOL bScrollWindow;
#define SCROLLPIXELS 10
LPIMAGE lpImage;
LPDISPLAY lpDisplay;
lpImage = GetImagePtr(hWnd);
lpDisplay = GetDisplayPtr(hWnd);
if (IsIconic(hWnd))
return( NO );
bScrollWindow = NO;
rScroll = lpDisplay->DispRect;
rScroll.bottom++; rScroll.right++;
if (fVScroll &&
( lpImage->nlin - RectHeight( &lpDisplay->FileRect ) > 0 ) )
{
switch ( code )
{
case SB_ENDSCROLL:
ScrollEnd( hWnd );
break;
case SB_TOP:
case SB_BOTTOM:
MessageBeep(0);
break;
case SB_PAGEUP:
case SB_PAGEDOWN:
case SB_LINEUP:
case SB_LINEDOWN:
fy = SCROLLPIXELS;
if ( code == SB_PAGEUP || code == SB_PAGEDOWN )
fy *= 10;
if ( !(fy = FMUL( fy, lpDisplay->FileRate )) )
fy = 1;
if ( code == SB_LINEDOWN || code == SB_PAGEDOWN )
{
fy = -fy;
dy = lpDisplay->FileRect.bottom - lpImage->nlin + 1;
}
else
// ( code == SB_LINEUP || code == SB_PAGEUP )
dy = lpDisplay->FileRect.top;
if ( !dy )
break;
if ( abs(fy) > abs(dy) )
fy = dy;
if ( !(dy = FMUL( fy, lpDisplay->DispRate )) )
break;
ScrollStart( hWnd );
lpDisplay->FileRect.top -= fy;
lpDisplay->FileRect.bottom -= fy;
lpDisplay->yDiva -= dy;
ScrollWindow( hWnd, 0 /*x*/, dy, &rScroll, &rScroll );
AstralUpdateWindow(hWnd);
bScrollWindow = YES;
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
if ( !(fy = GetDisplayScrollDelta( hWnd, lpDisplay, SB_VERT, pos) ) )
break;
if ( !(dy = FMUL( fy, lpDisplay->DispRate )) )
break;
ScrollStart( hWnd );
lpDisplay->FileRect.top -= fy;
lpDisplay->FileRect.bottom -= fy;
lpDisplay->yDiva -= dy;
ScrollWindow( hWnd, 0 /*x*/, dy, &rScroll, &rScroll );
AstralUpdateWindow(hWnd);
bScrollWindow = YES;
break;
}
}
if (!fVScroll &&
( lpImage->npix - RectWidth( &lpDisplay->FileRect ) > 0 ) )
{
switch ( code )
{
case SB_ENDSCROLL:
ScrollEnd( hWnd );
break;
case SB_TOP:
case SB_BOTTOM:
MessageBeep(0);
break;
case SB_PAGEUP:
case SB_PAGEDOWN:
case SB_LINEUP:
case SB_LINEDOWN:
fx = SCROLLPIXELS;
if ( code == SB_PAGEUP || code == SB_PAGEDOWN )
fx *= 10;
if ( !(fx = FMUL( fx, lpDisplay->FileRate )) )
fx = 1;
if ( code == SB_LINEDOWN || code == SB_PAGEDOWN )
{
fx = -fx;
dx = lpDisplay->FileRect.right - lpImage->npix + 1;
}
else
// ( code == SB_LINEUP || code == SB_PAGEUP )
dx = lpDisplay->FileRect.left;
if ( !dx )
break;
if ( abs(fx) > abs(dx) )
fx = dx;
if ( !(dx = FMUL( fx, lpDisplay->DispRate )) )
break;
ScrollStart( hWnd );
lpDisplay->FileRect.left -= fx;
lpDisplay->FileRect.right -= fx;
lpDisplay->xDiva -= dx;
ScrollWindow( hWnd, dx, 0 /*y*/, &rScroll, &rScroll );
AstralUpdateWindow(hWnd);
bScrollWindow = YES;
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
if ( !(fx = GetDisplayScrollDelta( hWnd, lpDisplay, SB_HORZ, pos )) )
break;
if ( !(dx = FMUL( fx, lpDisplay->DispRate )) )
break;
ScrollStart( hWnd );
lpDisplay->FileRect.left -= fx;
lpDisplay->FileRect.right -= fx;
lpDisplay->xDiva -= dx;
ScrollWindow( hWnd, dx, 0 /*y*/, &rScroll, &rScroll );
AstralUpdateWindow(hWnd);
bScrollWindow = YES;
break;
}
}
return( bScrollWindow );
}
