void CDropListBox::OnLButtonDblClk(UINT nFlags, CPoint point)
{
//Click in the client area?
CRect rcClient;
GetClientRect( rcClient );
if( !rcClient.PtInRect( point ) )
{
ReleaseCapture();
GetParent()->SendMessage( WM_VRC_SETCAPTURE );
}
int nPos = PointTest(point);
if(nPos != LB_ERR)
{
PLIST_ITEM pItem = (PLIST_ITEM)GetItemDataPtr(nPos);
if((int)pItem != -1 && pItem != NULL)
{
if(pItem->state & ACBIS_DISABLED)
{
return;
}
if(pItem->GetChildCount() > 0)
{
Expand(pItem, LBE_TOGGLE);
return;
}
}
}
CListBox::OnLButtonDblClk(nFlags, point);
}
void CDropListBox::OnLButtonDown(UINT nFlags, CPoint point)
{
//Click in the client area?
CRect rcClient;
GetClientRect( rcClient );
if( !rcClient.PtInRect( point ) )
{
ReleaseCapture();
GetParent()->SendMessage( WM_VRC_SETCAPTURE );
}
//Click on the disabled item is disallowed
int nPos = PointTest(point);
if(nPos != LB_ERR)
{
PLIST_ITEM pItem = (PLIST_ITEM)GetItemDataPtr(nPos);
if((DWORD)pItem != -1 && pItem != NULL && (pItem->state & ACBIS_DISABLED))
{
return;
}
}
//Get current selected item
nPos = GetCurSel();
if(nPos != LB_ERR)
{
PLIST_ITEM pItem = (PLIST_ITEM)GetItemDataPtr(nPos);
if((DWORD)pItem != -1 && pItem != NULL && (pItem->state & ACBIS_DISABLED))
{
return;
}
//parent node can not be selected
if(pItem->GetChildCount() > 0)
{
CRect rcItem;
GetItemRect(nPos, &rcItem);
if(PointTestState(point, rcItem))
{
Expand(pItem, LBE_TOGGLE);
}
return;
}
//send current selection to combobox
m_pComboParent->PostMessage( WM_SELECTED_ITEM, (WPARAM)nPos, 0 );
}
//Destroy the dropdown list
ReleaseCapture();
m_pComboParent->PostMessage( WM_DESTROY_DROPLIST );
//
// Return so that the listbox can be destroyed
// CListBox::OnLButtonDown(nFlags, point);
}
int main()
{
PointTest();
//VectorTest();
//TrianglePointInsideTest();
//TriangleIntersectLineGreen();
//TriangleIntersectLineRed();
//PlaneIntersectLine();
//DistancePointToLine();
//ClosestPointOnLine();
return 0;
}
void CDropListBox::OnMouseMove(UINT nFlags, CPoint point)
{
//
// Is mouse within listbox
CRect rcClient;
GetClientRect( rcClient );
if( !rcClient.PtInRect( point ) )
{
ReleaseCapture();
GetParent()->SendMessage( WM_VRC_SETCAPTURE );
}
//
// Set selection item under mouse
int nPos = PointTest(point);
PLIST_ITEM pItem = (PLIST_ITEM)GetItemDataPtr(nPos);
if( nPos != LB_ERR && (DWORD)pItem != -1 && pItem != NULL)
{
if( GetCurSel() != nPos && !(pItem->state & ACBIS_DISABLED) )
{
SetCurSel( nPos );
}
}
//
// Check if we have auto scrolled
if( m_nLastTopIdx != GetTopIndex() )
{
int nDiff = m_nLastTopIdx - GetTopIndex();
m_nLastTopIdx = GetTopIndex();
SCROLLINFO info;
info.cbSize = sizeof(SCROLLINFO);
if( m_pDropWnd->GetScrollBarPtr()->GetScrollInfo( &info, SIF_ALL|SIF_DISABLENOSCROLL ) )
{
info.nPos = m_nLastTopIdx;
m_pDropWnd->GetScrollBarPtr()->SetScrollInfo( &info );
}
}
CListBox::OnMouseMove(nFlags, point);
}
