//--------------------------------------------------------------
void CBMRegEditView::UpdateRow(int nInvalidRow)
{ int nRowCount = GetRowCount();
if (nRowCount != m_nPrevRowCount) { UpdateScrollSizes(); m_nPrevRowCount = nRowCount; }
CClientDC dc(this);
OnPrepareDC(&dc);
int nFirstRow, nLastRow;
CRect rectClient;
GetClientRect(&rectClient);
dc.DPtoLP(&rectClient);
RectLPtoRowRange(rectClient, nFirstRow, nLastRow, FALSE);
POINT pt;
pt.x = 0;
BOOL bNeedToScroll = TRUE;
if (nInvalidRow < nFirstRow) pt.y = RowToYPos(nInvalidRow);
else
if (nInvalidRow > nLastRow) pt.y=max(0,RowToYPos(nInvalidRow+1) - rectClient.Height());
else bNeedToScroll = FALSE;
if (bNeedToScroll) { ScrollToDevicePosition(pt); OnPrepareDC(&dc); }
CRect rectInvalid = RowToWndRect(&dc, nInvalidRow);
rectInvalid.left=23; rectInvalid.right=37;
InvalidateRect(&rectInvalid);
int nSelectedRow = GetActReg();
if (m_nPrevSelectedRow != nSelectedRow) {
CRect rectOldSelection = RowToWndRect(&dc, m_nPrevSelectedRow);
rectOldSelection.left=23; rectOldSelection.right=37;
InvalidateRect(&rectOldSelection);
m_nPrevSelectedRow = nSelectedRow;
}
}
void CScrollWnd::ScrollToPosition(POINT pt) // logical coordinates
{
ASSERT(m_nMapMode > 0); // not allowed for shrink to fit
if (m_nMapMode != MM_TEXT)
{
CWindowDC dc(NULL);
dc.SetMapMode(m_nMapMode);
dc.LPtoDP((LPPOINT)&pt);
}
// now in device coordinates - limit if out of range
int xMax = GetScrollLimit(SB_HORZ);
int yMax = GetScrollLimit(SB_VERT);
if (pt.x < 0)
pt.x = 0;
else if (pt.x > xMax)
pt.x = xMax;
if (pt.y < 0)
pt.y = 0;
else if (pt.y > yMax)
pt.y = yMax;
ScrollToDevicePosition(pt);
}
void CScrollWnd::UpdateBars()
{
// UpdateBars may cause window to be resized - ignore those resizings
if (m_bInsideUpdate)
return; // Do not allow recursive calls
// Lock out recursion
m_bInsideUpdate = TRUE;
// update the horizontal to reflect reality
// NOTE: turning on/off the scrollbars will cause 'OnSize' callbacks
ASSERT(m_totalDev.cx >= 0 && m_totalDev.cy >= 0);
CRect rectClient;
BOOL bCalcClient = TRUE;
// allow parent to do inside-out layout first
CWnd* pParentWnd = GetParent();
if (pParentWnd != NULL)
{
// if parent window responds to this message, use just
// client area for scroll bar calc -- not "true" client area
if ((BOOL)pParentWnd->SendMessage(WM_RECALCPARENT, 0,
(LPARAM)(LPCRECT)&rectClient) != 0)
{
// use rectClient instead of GetTrueClientSize for
// client size calculation.
bCalcClient = FALSE;
}
}
CSize sizeClient;
CSize sizeSb;
if (bCalcClient)
{
// get client rect
if (!GetTrueClientSize(sizeClient, sizeSb))
{
// no room for scroll bars (common for zero sized elements)
CRect rect;
GetClientRect(&rect);
if (rect.right > 0 && rect.bottom > 0)
{
// if entire client area is not invisible, assume we have
// control over our scrollbars
EnableScrollBarCtrl(SB_BOTH, FALSE);
}
m_bInsideUpdate = FALSE;
return;
}
}
else
{
// let parent window determine the "client" rect
GetScrollBarSizes(sizeSb);
sizeClient.cx = rectClient.right - rectClient.left;
sizeClient.cy = rectClient.bottom - rectClient.top;
}
// enough room to add scrollbars
CSize sizeRange;
CPoint ptMove;
CSize needSb;
// get the current scroll bar state given the true client area
GetScrollBarState(sizeClient, needSb, sizeRange, ptMove, bCalcClient);
if (needSb.cx)
sizeClient.cy -= sizeSb.cy;
if (needSb.cy)
sizeClient.cx -= sizeSb.cx;
// first scroll the window as needed
ScrollToDevicePosition(ptMove); // will set the scroll bar positions too
// this structure needed to update the scrollbar page range
SCROLLINFO info;
info.fMask = SIF_PAGE|SIF_RANGE;
info.nMin = 0;
// now update the bars as appropriate
EnableScrollBarCtrl(SB_HORZ, needSb.cx);
if (needSb.cx)
{
info.nPage = sizeClient.cx;
info.nMax = m_totalDev.cx-1;
if (!SetScrollInfo(SB_HORZ, &info, TRUE))
SetScrollRange(SB_HORZ, 0, sizeRange.cx, TRUE);
}
EnableScrollBarCtrl(SB_VERT, needSb.cy);
if (needSb.cy)
{
info.nPage = sizeClient.cy;
info.nMax = m_totalDev.cy-1;
if (!SetScrollInfo(SB_VERT, &info, TRUE))
SetScrollRange(SB_VERT, 0, sizeRange.cy, TRUE);
}
// remove recursion lockout
m_bInsideUpdate = FALSE;
}
void CXTPPropertyPage::UpdateBars()
{
if (m_totalDev == CSize(0, 0) || !m_bCreated)
return;
// UpdateBars may cause window to be resized - ignore those resizings
if (m_bInsideUpdate)
return; // Do not allow recursive calls
// Lock out recursion
m_bInsideUpdate = TRUE;
// update the horizontal to reflect reality
// NOTE: turning on/off the scrollbars will cause 'OnSize' callbacks
ASSERT(m_totalDev.cx >= 0 && m_totalDev.cy >= 0);
CRect rectClient;
BOOL bCalcClient = TRUE;
CSize sizeClient;
CSize sizeSb;
// get client rect
if (!GetTrueClientSize(sizeClient, sizeSb))
{
// no room for scroll bars (common for zero sized elements)
CRect rect;
GetClientRect(&rect);
if (rect.right > 0 && rect.bottom > 0)
{
// if entire client area is not invisible, assume we have
// control over our scrollbars
EnableScrollBarCtrl(SB_BOTH, FALSE);
}
m_bInsideUpdate = FALSE;
return;
}
// enough room to add scrollbars
CSize sizeRange;
CPoint ptMove;
CSize needSb;
// get the current scroll bar state given the true client area
GetScrollBarState(sizeClient, needSb, sizeRange, ptMove, bCalcClient);
if (needSb.cx)
sizeClient.cy -= sizeSb.cy;
if (needSb.cy)
sizeClient.cx -= sizeSb.cx;
// first scroll the window as needed
ScrollToDevicePosition(ptMove); // will set the scroll bar positions too
// this structure needed to update the scrollbar page range
SCROLLINFO info;
info.fMask = SIF_PAGE|SIF_RANGE;
info.nMin = 0;
// now update the bars as appropriate
EnableScrollBarCtrl(SB_HORZ, needSb.cx);
if (needSb.cx)
{
info.nPage = sizeClient.cx;
info.nMax = m_totalDev.cx-1;
if (!SetScrollInfo(SB_HORZ, &info, TRUE))
SetScrollRange(SB_HORZ, 0, sizeRange.cx, TRUE);
}
EnableScrollBarCtrl(SB_VERT, needSb.cy);
if (needSb.cy)
{
info.nPage = sizeClient.cy;
info.nMax = m_totalDev.cy-1;
if (!SetScrollInfo(SB_VERT, &info, TRUE))
SetScrollRange(SB_VERT, 0, sizeRange.cy, TRUE);
}
// remove recursion lockout
m_bInsideUpdate = FALSE;
}
void CJevView::OnUpdate( CView* pSender, LPARAM lHint, CObject* pHint )
{
TRACE( "Entering OnUpdate\n" );
int lsr, plsr, par, ar;
CJevDoc* pDoc = GetDocument();
CClientDC dc( this );
OnPrepareDC( &dc );
if( pHint != 0 && pHint->IsKindOf(RUNTIME_CLASS(CUpdateHint)) ) {
CUpdateHint* pCUpdateHint = (CUpdateHint*) pHint;
switch( lHint )
{
TRACE("OnUpdate: lHint-'%d'\n", (int)lHint );
case HINT_DELETE_ACTIVE_RECORD:
UpdateScrollSizes();
InvalidateRecord( &dc, pDoc->njeGetActiveRecord(),
pCUpdateHint->iHint1);
break;
case HINT_INSERT_ACTIVE_RECORD:
//InvalidateRecord( &dc, m_posPrevActiveRecord );
UpdateScrollSizes();
//InvalidateRecord( &dc, pDoc->posGetActiveRecord() );
m_njePrevLastSelectedRecord = pDoc -> njeGetLastSelectedRecord();
Invalidate();
break;
case HINT_CHANGE_ACTIVE_RECORD:
UpdateScrollSizes();
InvalidateRecord( &dc, pDoc->njeGetActiveRecord() );
break;
case HINT_NAVIGATION_KEY:
lsr = pDoc -> njeGetLastSelectedRecord();
par = m_njePrevActiveRecord;
ar = pDoc -> njeGetActiveRecord();
TRACE("lsr=%d, par=%d\n", lsr,par);
if( lsr < par ) {
INVALIDATERANGE( lsr, par-1 );
} else if( lsr > par ) {
INVALIDATERANGE( par+1, lsr);
}
if( ar != par ) {
// Previous
InvalidateRecord( &dc, par );
// Newly actived
InvalidateRecord( &dc, ar );
m_njePrevActiveRecord = ar;
}
break;
case HINT_LAST_SELECTED_RECORD:
plsr = m_njePrevLastSelectedRecord;
lsr = pDoc -> njeGetLastSelectedRecord();
ar = pDoc -> njeGetActiveRecord();
if( plsr > ar ) {
if( lsr > plsr ) { INVALIDATERANGE( plsr+1, lsr);
} else if( lsr >= ar && lsr < plsr ) { INVALIDATERANGE( lsr+1, plsr );
} else if( lsr < ar ) { INVALIDATERANGE( lsr+1, plsr );
} else TRACE( "plsr>ar: no Invalidate Records selected!\n");
} else if( plsr < ar ) {
if( lsr < plsr ) { INVALIDATERANGE( lsr, plsr-1 );
} else if( lsr > plsr && lsr <= ar ) { INVALIDATERANGE( plsr, lsr-1 );
} else if( lsr > ar ) { INVALIDATERANGE( plsr, lsr );
} else TRACE( "plsr<ar: no Invalidate Records selected!\n");
} else if( plsr == ar) {
if( lsr < ar ) { INVALIDATERANGE( lsr, ar-1 );
} else if( lsr > ar ) { INVALIDATERANGE( ar+1, lsr );
} else TRACE(" plsr == ar: no Invalidate Records Selectec!\n");
}
m_njePrevLastSelectedRecord = pDoc -> njeGetLastSelectedRecord();
break;
default:
TRACE("OnUpdate: Unexpected Hint-'%d'\n", (int)lHint );
break;
}
//return;
}
// Get the first and last record index displayed inthe Client area
//
int nyFirstLogicalDisplayLine, nyLastLogicalDisplayLine;
CRect rectClient;
GetClientRect( &rectClient );
dc.DPtoLP( &rectClient );
nyFirstLogicalDisplayLine = rectClient.top / m_cyChar;
nyLastLogicalDisplayLine = (rectClient.bottom-1) / m_cyChar;
TRACE( "FirstRec=%d, LastRec=%d\n", nyFirstLogicalDisplayLine,
nyLastLogicalDisplayLine );
TRACE( "top=%d, bottom=%d\n", rectClient.top, rectClient.bottom);
// Scroll, if necessary, so that the selected row is visible
POINT pt;
pt.x = 0;
pt.y = 0;
BOOL bNeedToScroll = TRUE;
int nyActiveRecordDispLine, njelActiveRecord, nSubAcct;
int NJE = pDoc->njeGetActiveRecord();
pDoc->MapNJEToDispLine( NJE, nyActiveRecordDispLine,
nSubAcct );
TRACE( "nyActiveRecordDispLine=%d, njelActiveRecord=%d, m_njelPrevActiveRecord=%d\n", nyActiveRecordDispLine,
njelActiveRecord, m_njePrevActiveRecord );
if( njelActiveRecord < 0 ) {
bNeedToScroll = FALSE;
} else if( nyActiveRecordDispLine < nyFirstLogicalDisplayLine ) {
pt.y = nyActiveRecordDispLine * m_cyChar;
} else if( nyActiveRecordDispLine > nyLastLogicalDisplayLine ) {
pt.y = max( 0, (nyActiveRecordDispLine+1)*m_cyChar - rectClient.Height() );
} else {
bNeedToScroll = FALSE;
}
TRACE( "bNeedToScroll=%d, pt.y=%d\n", bNeedToScroll, pt.y );
if( bNeedToScroll ) {
TRACE( "OnUpdate: Scrolling\n");
ScrollToDevicePosition( pt );
OnPrepareDC( &dc );
}
TRACE( "Leaving OnUpdate\n" );
}