void CListCtrlComboBox::ShowEdit(int nItem,int nSubItem) {
if (nItem < 0 || nSubItem < 0) return;
if (m_pParentList == NULL) return ;
CListCtrl *pCtrl = m_pParentList;
CRect rect;
m_pParentList = pCtrl;
// m_pParentList->GetSubItemRect(nItem,nIndex,LVIR_LABEL,rcCtrl);
// 列可见
CHeaderCtrl* pHeader = (CHeaderCtrl*)pCtrl->GetDlgItem(0);
int nColumnCount = pHeader->GetItemCount();
if( nSubItem >= nColumnCount || pCtrl->GetColumnWidth(nSubItem) < 5 )
return ;
// 列偏移
int offset = 0;
for( int i = 0; i < nSubItem; i++ )
offset += pCtrl->GetColumnWidth( i );
pCtrl->GetItemRect( nItem, &rect, LVIR_BOUNDS );
rect.top -= 2;
if (rect.top < 0) rect.top = 0;
// 滚动列，便于操作
CRect rcClient;
CSize size;
pCtrl->GetClientRect( &rcClient );
// if( offset + rect.left < 0 || offset + rect.left > rcClient.right )
if( offset + rect.left < 0 ) {
size.cx = offset + rect.left;
size.cy = 0;
pCtrl->Scroll( size );
rect.left -= size.cx;
} else if(offset + rect.left > rcClient.right ) {
size.cx = offset + rect.left;
size.cy = 0;
pCtrl->Scroll( size );
rect.left -= size.cx;
}
// 获取列的对齐方式
LV_COLUMN lvcol;
lvcol.mask = LVCF_FMT;
pCtrl->GetColumn( nSubItem, &lvcol );
DWORD dwStyle;
if((lvcol.fmt&LVCFMT_JUSTIFYMASK) == LVCFMT_LEFT)
dwStyle = ES_LEFT;
else if((lvcol.fmt&LVCFMT_JUSTIFYMASK) == LVCFMT_RIGHT)
dwStyle = ES_RIGHT;
else dwStyle = ES_CENTER;
rect.left += offset + 1;
if (nSubItem > 0)
rect.right = rect.left + pCtrl->GetColumnWidth( nSubItem );
else
rect.right = rect.left + pCtrl->GetColumnWidth( nSubItem );
if( rect.right > rcClient.right)
rect.right = rcClient.right;
rect.bottom = rect.top + 12 * rect.Height();
CString strItem = pCtrl->GetItemText(nItem,nSubItem);
pCtrl->ClientToScreen(rect);
GetParent()->ScreenToClient(rect);
MoveWindow(rect);
// SetWindowPos(NULL, rect.left,rect.top,rect.Width(),rect.Height(), SWP_SHOWWINDOW);
// pCtrl->ClientToScreen(rcClient);
// GetParent()->ScreenToClient(rcClient);
// pCtrl->SetWindowPos(this, rcClient.left,rcClient.top,rcClient.Width(),rcClient.Height(), SWP_SHOWWINDOW);
ShowWindow(SW_SHOW);
SetWindowText(strItem);
::SetFocus(GetSafeHwnd());
SetItemHeight(-1,13);
//设置对应选项
int nIndex = FindStringExact(0, strItem);
if (nIndex < 0) nIndex = 0;
SetCurSel(nIndex);
m_nCurrentItem = nItem;
m_nCurrentSubItem = nSubItem;
}
