void CPropTreeList::OnLButtonDblClk(UINT, CPoint point)
{
ASSERT(m_pProp!=NULL);
m_pProp->SendNotify(NM_DBLCLK);
CPropTreeItem* pItem;
CPropTreeItem* pOldFocus;
if ((pItem = m_pProp->FindItem(point))!=NULL && pItem->GetChild())
{
switch (m_pProp->HitTest(point))
{
case HTCOLUMN:
break;
case HTCHECKBOX:
pItem->Check(!pItem->IsChecked());
m_pProp->SendNotify(PTN_CHECKCLICK, pItem);
Invalidate();
break;
case HTATTRIBUTE:
if (!pItem->IsRootLevel())
break;
// pass thru to default
default:
pOldFocus = m_pProp->GetFocusedItem();
m_pProp->SelectItems(NULL, FALSE);
m_pProp->SetFocusedItem(pItem);
pItem->Select();
if (pItem!=pOldFocus)
m_pProp->SendNotify(PTN_SELCHANGE, pItem);
// pass thru to HTEXPAND
case HTEXPAND:
if (!m_pProp->SendNotify(PTN_ITEMEXPANDING, pItem))
{
pItem->Expand(!pItem->IsExpanded());
UpdateResize();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
}
break;
}
}
}
void CPropTreeList::CheckVisibleFocus()
{
ASSERT(m_pProp!=NULL);
CPropTreeItem *pItem;
if ((pItem = m_pProp->GetFocusedItem())==NULL)
return;
if (!m_pProp->IsItemVisible(pItem)) {
if (m_pProp->IsSingleSelection())
pItem->Select(FALSE);
m_pProp->SetFocusedItem(NULL);
m_pProp->SendNotify(PTN_SELCHANGE, NULL);
Invalidate();
}
}
void CPropTreeList::OnLButtonDown(UINT, CPoint point)
{
ASSERT(m_pProp!=NULL);
if (m_pProp->IsDisableInput())
return;
m_pProp->SendNotify(NM_CLICK);
if (!m_pProp->IsWindowEnabled())
return;
SetFocus();
LONG nHit = m_pProp->HitTest(point);
CPropTreeItem* pItem;
CRect rc;
CDC* pDC;
switch (nHit)
{
case HTCOLUMN:
if (m_pProp->SendNotify(PTN_COLUMNCLICK))
break;
m_bColDrag = TRUE;
SetCapture();
m_nPrevCol = m_pProp->GetOrigin().x;
// paint drag line
pDC = GetDC();
GetClientRect(rc);
pDC->PatBlt(m_nPrevCol - PROPTREEITEM_COLRNG/2, 0, PROPTREEITEM_COLRNG, rc.bottom, PATINVERT);
ReleaseDC(pDC);
break;
case HTCHECKBOX:
if ((pItem = m_pProp->FindItem(point))!=NULL)
{
pItem->Check(!pItem->IsChecked());
m_pProp->SendNotify(PTN_CHECKCLICK, pItem);
Invalidate();
}
break;
case HTEXPAND:
if ((pItem = m_pProp->FindItem(point))!=NULL)
{
if (pItem->GetChild() && !m_pProp->SendNotify(PTN_ITEMEXPANDING, pItem))
{
pItem->Expand(!pItem->IsExpanded());
UpdateResize();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
}
}
break;
default:
if ((pItem = m_pProp->FindItem(point))!=NULL)
{
CPropTreeItem* pOldFocus = m_pProp->GetFocusedItem();
m_pProp->SelectItems(NULL, FALSE);
m_pProp->SetFocusedItem(pItem);
pItem->Select();
Invalidate();
if (pItem!=pOldFocus)
m_pProp->SendNotify(PTN_SELCHANGE, pItem);
if (nHit==HTATTRIBUTE && !pItem->IsRootLevel())
{
if (!m_pProp->SendNotify(PTN_PROPCLICK, pItem) && !pItem->IsReadOnly())
pItem->Activate();
}
}
else
{
m_pProp->SelectItems(NULL, FALSE);
m_pProp->SetFocusedItem(NULL);
m_pProp->SendNotify(PTN_SELCHANGE);
Invalidate();
}
break;
}
}