void CPropTreeList::OnKeyDown(UINT nChar, UINT, UINT)
{
CPropTreeItem* pItem;
ASSERT(m_pProp!=NULL);
if (m_pProp->IsDisableInput() || !m_pProp->IsWindowEnabled())
return;
switch (nChar)
{
case VK_RETURN:
if ((pItem = m_pProp->GetFocusedItem())!=NULL && !pItem->IsRootLevel() && !pItem->IsReadOnly())
{
pItem->Activate();
}
break;
case VK_HOME:
if (m_pProp->FocusFirst())
Invalidate();
break;
case VK_END:
if (m_pProp->FocusLast())
Invalidate();
break;
case VK_LEFT:
if ((pItem = m_pProp->GetFocusedItem())!=NULL)
{
if (!m_pProp->SendNotify(PTN_ITEMEXPANDING, pItem))
{
if (pItem->GetChild() && pItem->IsExpanded())
{
pItem->Expand(FALSE);
UpdateResize();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
break;
}
}
}
else
break;
// pass thru to next case VK_UP
case VK_UP:
if (m_pProp->FocusPrev())
Invalidate();
break;
case VK_RIGHT:
if ((pItem = m_pProp->GetFocusedItem())!=NULL)
{
if (!m_pProp->SendNotify(PTN_ITEMEXPANDING, pItem))
{
if (pItem->GetChild() && !pItem->IsExpanded())
{
pItem->Expand();
UpdateResize();
Invalidate();
UpdateWindow();
CheckVisibleFocus();
break;
}
}
}
else
break;
// pass thru to next case VK_DOWN
case VK_DOWN:
if (m_pProp->FocusNext())
Invalidate();
break;
}
}
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;
}
}
