int CGridBtnCellBase::RelPointInCtl( const CPoint& arPoint) // Relative point coords
// returns: Index of control that this point is within bounds of or -1 if no control matches
{
CGridCtrl* pGrid = GetGrid();
ASSERT( pGrid);
CRect RectCell;
if( pGrid->GetCellRect( m_iRow,
m_iCol,
&RectCell) )
{
ASSERT( MAX_NBR_CTLS_INCELL > GetDrawCtlNbrMax() ); // whoa!
CRect RectAry[ MAX_NBR_CTLS_INCELL];
if( CalcDrawCtlRects( RectAry, // returns: CRects with coordinates
// last entry has optional leftover rect
// available for text, etc.
MAX_NBR_CTLS_INCELL,// nbr of Rects in above array
RectCell) ) // cell rectangle to work with
{
const int iCtlNbr = GetDrawCtlNbr();
// make point absolute coord
CPoint pointAbs;
pointAbs.x = arPoint.x + RectCell.left;
pointAbs.y = arPoint.y + RectCell.top;
for( int i1=0; i1 < iCtlNbr; i1++)
{
if( pointAbs.x >= RectAry[i1].left
&& pointAbs.x <= RectAry[i1].right
&& pointAbs.y >= RectAry[i1].top
&& pointAbs.y <= RectAry[i1].bottom)
{
return i1; // found it
}
}
}
}
return -1;
}
BOOL CGridBtnCellBase::HasCellText()
// returns: F=auto-size buttons, only
{
CGridCtrl* pGrid = GetGrid();
ASSERT( pGrid);
CRect RectCell;
if( !pGrid->GetCellRect(m_iRow,
m_iCol,
&RectCell) )
return FALSE;
// rather than see if there is text assigned, check if any
// space allocated for text
CRect RectText( RectCell);
if( !GetTextRect( &RectText) ) // i/o: i=dims of cell rect; o=dims of text rect
return FALSE;
if( RectText.Width() > 0 )
return TRUE;
return FALSE;
}
void CGridBtnCellCombo::OnClick( CPoint PointCellRelative)
{
// immediately edit if user clicked on scroll down button picture
int iCtlHit = RelPointInCtl( PointCellRelative); // Relative point coords
// returns: Index of control that this point is within bounds of or -1 if no control matches
BOOL bHitScrollDown = FALSE;
if( iCtlHit >= 0)
{
// if user clicked on scroll down button picture, then show
// the drop-down, too
UINT uiType = GetDrawCtlType( iCtlHit);
UINT uiState = GetDrawCtlState( iCtlHit);
bHitScrollDown = ( uiType == DFC_SCROLL)
&& uiState & DFCS_SCROLLDOWN;
}
if( bHitScrollDown)
{
// invoke the edit, now -- similar to CGridCtl::OnEditCell() logic
CGridCtrl* pGrid = GetGrid();
ASSERT( pGrid != NULL);
CRect rect;
if (!pGrid->GetCellRect( m_iRow, m_iCol, rect))
return;
SendMessageToParent(m_iRow, m_iCol, GVN_BEGINLABELEDIT);
Edit( m_iRow, m_iCol, rect, PointCellRelative, IDC_INPLACE_CONTROL, VK_LBUTTON);
return;
}
CGridBtnCell::OnClick( PointCellRelative);
}