void COXToolTipCtrl::DisplayToolTip(CPoint& pt, BOOL bExtended /*= FALSE*/)
{
ASSERT(::IsWindow(m_hWnd));
if (!m_bActivated || !m_pCurrentToolTip)
return;
m_bExtended = bExtended;
CString str = GetTooltipText(m_pCurrentToolTip);
if (str.IsEmpty())
return;
//Calculate the width and height of the box dynamically
CRect rect = GetBoundsRect(str, m_pCurrentToolTip->nWidth);
rect = CalculateInfoBoxRect(pt, m_pCurrentToolTip, rect);
ShowWindow(SW_HIDE);
SetWindowPos(NULL,
rect.left, rect.top,
rect.Width(), rect.Height(),
SWP_SHOWWINDOW|SWP_NOCOPYBITS|SWP_NOACTIVATE|SWP_NOZORDER);
// ModifyStyle(0, WS_VISIBLE);
// ShowWindow(SW_SHOWNA);
}
void CMFECToolTip::DisplayInfo( ToolTipInfo* pToolTip )
{
if( pToolTip->nInfoSize <= 0 )
return;
ASSERT(m_pParentWnd);
CDC* pDC = m_pParentWnd->GetDC();
CRect oInfoRect;
CBrush oBrush, *pOldBrush, oBorderBrush;
int nX, nY;
TEXTMETRIC TM;
int nTextHigh;
CFont oFont, *pOldFont;
CWnd* pWnd = NULL;
oBrush.CreateSolidBrush( pToolTip->nBackColor );
pOldBrush = pDC->SelectObject( &oBrush );
pDC->SetTextColor( pToolTip->nTextColor );
//calculate the width and height of the box dynamically
CalculateHeightAndWidth( pToolTip->nControlInfo );
CalculateInfoBoxRect( pToolTip->nControlID, &oInfoRect );
oFont.CreateFont(m_nFontSize, 0, 0, 0, FW_REGULAR, 0, 0, 0, 0, 0, 0, 0, 0, "���ו");
pOldFont = pDC->SelectObject(&oFont);
pDC->FillRect(&oInfoRect, &oBrush);
pDC->SelectObject(pOldBrush);
oBrush.DeleteObject();
oBorderBrush.CreateSolidBrush( pToolTip->nTextColor );
pOldBrush = pDC->SelectObject(&oBorderBrush);
pDC->DrawEdge(&oInfoRect, BDR_RAISEDINNER , BF_RECT);
pDC->SetTextAlign(TA_LEFT);
pDC->GetTextMetrics(&TM);
nTextHigh = TM.tmHeight + TM.tmExternalLeading - 2;
nX = oInfoRect.left + 2;
nY = oInfoRect.top + 3;
for( register UINT i = 0; i < pToolTip->nInfoSize; i++)
{
pDC->TextOut(nX, nY, pToolTip->nControlInfo[i]);
nY += m_nFontSize - 1;
}
pDC->SelectObject(pOldBrush);
oBorderBrush.DeleteObject();
m_pParentWnd->ReleaseDC(pDC);
}
void CMFECToolTip::ErasePreviousToolTipDisplay( UINT nControlID )
{
//This assertion fails because you did not call Create() first.
//m_pParentWnd was not initialized.
ASSERT(m_pParentWnd);
//if erase already, do not do it again
if((m_nHeight == 0) || (m_nWidth == 0))
return;
CRect oInfoRect(0,0,0,0);
CalculateInfoBoxRect(nControlID, &oInfoRect);
m_pParentWnd->InvalidateRect(&oInfoRect);
m_pParentWnd->UpdateWindow();
m_nHeight = 0;
m_nWidth = 0;
}