CPoint CuStaticRuler::RemoveHeaderMarker(CPoint p)
{
CPoint point = p;
if (ExistHeaderMarker(point))
{
point = p;
AdjustPoint(point);
CaHeaderMarker* pHeader = NULL;
POSITION px, pos = m_listHeader.GetHeadPosition();
while (pos != NULL)
{
px = pos;
pHeader = m_listHeader.GetNext (pos);
CPoint c = pHeader->GetPoint();
if (c.x == point.x)
{
m_listHeader.RemoveAt (px);
delete pHeader;
Invalidate();
return c;
}
}
}
Invalidate();
return point;
}
CPoint CuStaticRuler::ChangePoint(CaHeaderMarker* pHeader, CPoint newPoint)
{
CPoint point = newPoint;
AdjustPoint(point);
pHeader->SetPoint (point);
return point;
}
//寻找在某个坐标上的控件
XUI_Wnd* XUI_Wnd::FindChildInPoint(const iPoint &pt )
{
if( !IsVisible() )
return NULL;
iPoint adjust( pt );
AdjustPoint( adjust, true );
for( size_t i = 0; i < m_pChildren.size(); ++i )
{
XUI_Wnd* pElement = m_pChildren[i];
if( pElement->IsPointIn(adjust) )
return pElement->FindChildInPoint( adjust - m_WindowPosition );
}
return this;
}
CPoint CuStaticRuler::AddHeaderMarker(CPoint p)
{
CPoint point = p;
if (!ExistHeaderMarker(point))
{
point = p;
AdjustPoint(point);
CaHeaderMarker* pHeader = new CaHeaderMarker(point);
m_listHeader.AddTail (pHeader);
CClientDC dc(this);
DrawHeaderMarker(&dc, pHeader);
}
return point;
}
BOOL CuStaticRuler::ExistHeaderMarker(CPoint& point)
{
CPoint p = point;
AdjustPoint (p);
CaHeaderMarker* pHeader = NULL;
POSITION pos = m_listHeader.GetHeadPosition();
while (pos != NULL)
{
pHeader = m_listHeader.GetNext (pos);
CPoint c = pHeader->GetPoint();
if (c.x == p.x)
return TRUE;
}
return FALSE;
}
CaHeaderMarker* CuStaticRuler::GetHeaderMarkerAt(CPoint point)
{
AdjustPoint(point);
CaHeaderMarker* pHeader = NULL;
POSITION pos = m_listHeader.GetHeadPosition();
while (pos != NULL)
{
pHeader = m_listHeader.GetNext (pos);
CPoint c(pHeader->GetPoint());
if (c.x == point.x)
{
return pHeader;
}
}
return NULL;
}
