int FilterListCtrl::HitTestEx(CPoint &point, int *col) const
{
if (col) *col = 0;
int row = HitTest(CPoint(0, point.y), NULL);
if ((GetWindowLong(m_hWnd, GWL_STYLE) & LVS_TYPEMASK) != LVS_REPORT) return row;
int nColumnCount = ((CHeaderCtrl*)GetDlgItem(0))->GetItemCount();
for(int top = GetTopIndex(), bottom = GetBottomIndex(); top <= bottom; top++) {
CRect r;
GetItemRect(top, &r, LVIR_BOUNDS);
if (r.top <= point.y && point.y < r.bottom) {
for (int colnum = 0; colnum < nColumnCount; colnum++) {
int colwidth = GetColumnWidth(colnum);
if (point.x >= r.left && point.x <= (r.left + colwidth)) {
if(col) *col = colnum;
return top;
}
r.left += colwidth;
}
}
}
return -1;
}
BOOL CDropListBox::Expand(PLIST_ITEM pItem, UINT nCode)
{
if(pItem == NULL)
{
return FALSE;
}
BOOL bResult = FALSE;
if(nCode == LBE_COLLAPSE)
{
bResult = Collapse(pItem);
}
else if(nCode == LBE_EXPAND)
{
bResult = Expand(pItem);
}
else if(nCode == LBE_TOGGLE)
{
if(pItem->state & ACBIS_COLLAPSED)
{
bResult = Expand(pItem);
}
else
{
bResult = Collapse(pItem);
}
}
if(bResult)
{
SCROLLINFO info;
info.cbSize = sizeof(SCROLLINFO);
if( m_pDropWnd->GetScrollBarPtr()->GetScrollInfo( &info, SIF_ALL|SIF_DISABLENOSCROLL ) )
{
info.nPage = GetBottomIndex() - GetTopIndex();
info.nMax = GetCount()-1;
info.nMin = 0;
m_pDropWnd->GetScrollBarPtr()->SetScrollInfo( &info );
}
}
return bResult;
}
CImageList* CPlayerListCtrl::CreateDragImageEx(LPPOINT lpPoint)
{
if (GetSelectedCount() <= 0) {
return nullptr;
}
CRect cSingleRect, cCompleteRect(0, 0, 0, 0);
GetClientRect(cSingleRect);
int nWidth = cSingleRect.Width();
// Start and Stop index in view area
int nIndex = GetTopIndex() - 1;
int nBottomIndex = GetBottomIndex();
// Determine the size of the drag image (limited for
// rows visible and Client width)
while ((nIndex = GetNextItem(nIndex, LVNI_SELECTED)) != -1 && nIndex <= nBottomIndex) {
GetItemRect(nIndex, cSingleRect, LVIR_BOUNDS);
/*
CRect r;
GetItemRect(nIndex, r, LVIR_LABEL);
cSingleRect.left = r.left;
*/
if (cSingleRect.left < 0) {
cSingleRect.left = 0;
}
if (cSingleRect.right > nWidth) {
cSingleRect.right = nWidth;
}
cCompleteRect |= cSingleRect;
}
//
// Create bitmap in memory DC
//
CClientDC cDc(this);
CDC cMemDC;
CBitmap cBitmap;
if (!cMemDC.CreateCompatibleDC(&cDc)) {
return nullptr;
}
if (!cBitmap.CreateCompatibleBitmap(&cDc, cCompleteRect.Width(), cCompleteRect.Height())) {
return nullptr;
}
CBitmap* pOldMemDCBitmap = cMemDC.SelectObject(&cBitmap);
// Here green is used as mask color
cMemDC.FillSolidRect(0, 0, cCompleteRect.Width(), cCompleteRect.Height(), RGB(0, 255, 0));
// Paint each DragImage in the DC
nIndex = GetTopIndex() - 1;
while ((nIndex = GetNextItem(nIndex, LVNI_SELECTED)) != -1 && nIndex <= nBottomIndex) {
CPoint pt;
CImageList* pSingleImageList = CreateDragImage(nIndex, &pt);
if (pSingleImageList) {
GetItemRect(nIndex, cSingleRect, LVIR_BOUNDS);
pSingleImageList->Draw(&cMemDC,
0,
CPoint(cSingleRect.left - cCompleteRect.left, cSingleRect.top - cCompleteRect.top),
ILD_MASK);
pSingleImageList->DeleteImageList();
delete pSingleImageList;
}
}
cMemDC.SelectObject(pOldMemDCBitmap);
//
// Create the image list with the merged drag images
//
CImageList* pCompleteImageList = DEBUG_NEW CImageList;
pCompleteImageList->Create(cCompleteRect.Width(),
cCompleteRect.Height(),
ILC_COLOR | ILC_MASK, 0, 1);
// Here green is used as mask color
pCompleteImageList->Add(&cBitmap, RGB(0, 255, 0));
//
// as an optional service:
// Find the offset of the current mouse cursor to the image list
// this we can use in BeginDrag()
//
if (lpPoint) {
lpPoint->x = cCompleteRect.left;
lpPoint->y = cCompleteRect.top;
}
return pCompleteImageList;
}
