EVENT_RESULT CGUIControlGroupList::SendMouseEvent(const CPoint &point, const CMouseEvent &event)
{
  // transform our position into child coordinates
  CPoint childPoint(point);
  m_transform.InverseTransformPosition(childPoint.x, childPoint.y);
  if (CGUIControl::CanFocus())
  {
    float pos = 0;
    float alignOffset = GetAlignOffset();
    for (ciControls i = m_children.begin(); i != m_children.end(); ++i)
    {
      CGUIControl *child = *i;
      if (child->IsVisible())
      {
        if (IsControlOnScreen(pos, child))
        { // we're on screen
          float offsetX = m_orientation == VERTICAL ? m_posX : m_posX + alignOffset + pos - m_scroller.GetValue();
          float offsetY = m_orientation == VERTICAL ? m_posY + alignOffset + pos - m_scroller.GetValue() : m_posY;
          EVENT_RESULT ret = child->SendMouseEvent(childPoint - CPoint(offsetX, offsetY), event);
          if (ret)
          { // we've handled the action, and/or have focused an item
            return ret;
          }
        }
        pos += Size(child) + m_itemGap;
      }
    }
    // none of our children want the event, but we may want it.
    EVENT_RESULT ret;
    if (HitTest(childPoint) && (ret = OnMouseEvent(childPoint, event)))
      return ret;
  }
  m_focusedControl = 0;
  return EVENT_RESULT_UNHANDLED;
}
void CGUIControlGroupList::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
  if (m_scroller.Update(currentTime))
    MarkDirtyRegion();

  // first we update visibility of all our items, to ensure our size and
  // alignment computations are correct.
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    CGUIControl *control = *it;
    GUIPROFILER_VISIBILITY_BEGIN(control);
    control->UpdateVisibility();
    GUIPROFILER_VISIBILITY_END(control);
  }

  ValidateOffset();
  if (m_pageControl && m_lastScrollerValue != m_scroller.GetValue())
  {
    CGUIMessage message(GUI_MSG_LABEL_RESET, GetParentID(), m_pageControl, (int)Size(), (int)m_totalSize);
    SendWindowMessage(message);
    CGUIMessage message2(GUI_MSG_ITEM_SELECT, GetParentID(), m_pageControl, (int)m_scroller.GetValue());
    SendWindowMessage(message2);
    m_lastScrollerValue = m_scroller.GetValue();
  }
  // we run through the controls, rendering as we go
  int index = 0;
  float pos = GetAlignOffset();
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    // note we render all controls, even if they're offscreen, as then they'll be updated
    // with respect to animations
    CGUIControl *control = *it;
    if (m_orientation == VERTICAL)
      g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_scroller.GetValue());
    else
      g_graphicsContext.SetOrigin(m_posX + pos - m_scroller.GetValue(), m_posY);
    control->DoProcess(currentTime, dirtyregions);

    if (control->IsVisible())
    {
      if (IsControlOnScreen(pos, control))
      {
        if (control->HasFocus())
          m_focusedPosition = index;
        index++;
      }

      pos += Size(control) + m_itemGap;
    }
    g_graphicsContext.RestoreOrigin();
  }
  CGUIControl::Process(currentTime, dirtyregions);
}
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void CGUIControlGroupList::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
  if (m_scrollSpeed != 0)
  {
    MarkDirtyRegion();
    m_offset += m_scrollSpeed * (currentTime - m_scrollLastTime);
    if ((m_scrollSpeed < 0 && m_offset < m_scrollOffset) ||
        (m_scrollSpeed > 0 && m_offset > m_scrollOffset))
    {
      m_offset = m_scrollOffset;
      m_scrollSpeed = 0;
    }
  }
  m_scrollLastTime = currentTime;

  // first we update visibility of all our items, to ensure our size and
  // alignment computations are correct.
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    CGUIControl *control = *it;
    GUIPROFILER_VISIBILITY_BEGIN(control);
    control->UpdateVisibility();
    GUIPROFILER_VISIBILITY_END(control);
  }

  ValidateOffset();
  if (m_pageControl)
  {
    CGUIMessage message(GUI_MSG_LABEL_RESET, GetParentID(), m_pageControl, (int)m_height, (int)m_totalSize);
    SendWindowMessage(message);
    CGUIMessage message2(GUI_MSG_ITEM_SELECT, GetParentID(), m_pageControl, (int)m_offset);
    SendWindowMessage(message2);
  }
  // we run through the controls, rendering as we go
  float pos = GetAlignOffset();
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    // note we render all controls, even if they're offscreen, as then they'll be updated
    // with respect to animations
    CGUIControl *control = *it;
    if (m_orientation == VERTICAL)
      g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_offset);
    else
      g_graphicsContext.SetOrigin(m_posX + pos - m_offset, m_posY);
    control->DoProcess(currentTime, dirtyregions);

    if (control->IsVisible())
      pos += Size(control) + m_itemGap;
    g_graphicsContext.RestoreOrigin();
  }
  CGUIControl::Process(currentTime, dirtyregions);
}
void CGUIControlGroupList::UnfocusFromPoint(const CPoint &point)
{
  float pos = 0;
  CPoint controlCoords(point);
  m_transform.InverseTransformPosition(controlCoords.x, controlCoords.y);
  float alignOffset = GetAlignOffset();
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    CGUIControl *child = *it;
    if (child->IsVisible())
    {
      if (IsControlOnScreen(pos, child))
      { // we're on screen
        CPoint offset = (m_orientation == VERTICAL) ? CPoint(m_posX, m_posY + alignOffset + pos - m_scroller.GetValue()) : CPoint(m_posX + alignOffset + pos - m_scroller.GetValue(), m_posY);
        child->UnfocusFromPoint(controlCoords - offset);
      }
      pos += Size(child) + m_itemGap;
    }
  }
  CGUIControl::UnfocusFromPoint(point);
}
void CGUIControlGroupList::Render()
{
  // we run through the controls, rendering as we go
  bool render(g_graphicsContext.SetClipRegion(m_posX, m_posY, m_width, m_height));
  float pos = GetAlignOffset();
  float focusedPos = 0;
  CGUIControl *focusedControl = NULL;
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    // note we render all controls, even if they're offscreen, as then they'll be updated
    // with respect to animations
    CGUIControl *control = *it;
    if (m_renderFocusedLast && control->HasFocus())
    {
      focusedControl = control;
      focusedPos = pos;
    }
    else
    {
      if (m_orientation == VERTICAL)
        g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_scroller.GetValue());
      else
        g_graphicsContext.SetOrigin(m_posX + pos - m_scroller.GetValue(), m_posY);
      control->DoRender();
    }
    if (control->IsVisible())
      pos += Size(control) + m_itemGap;
    g_graphicsContext.RestoreOrigin();
  }
  if (focusedControl)
  {
    if (m_orientation == VERTICAL)
      g_graphicsContext.SetOrigin(m_posX, m_posY + focusedPos - m_scroller.GetValue());
    else
      g_graphicsContext.SetOrigin(m_posX + focusedPos - m_scroller.GetValue(), m_posY);
    focusedControl->DoRender();
  }
  if (render) g_graphicsContext.RestoreClipRegion();
  CGUIControl::Render();
}
void CGUIControlGroupList::Render()
{
  if (m_scrollSpeed != 0)
  {
    m_offset += m_scrollSpeed * (m_renderTime - m_scrollLastTime);
    if ((m_scrollSpeed < 0 && m_offset < m_scrollOffset) ||
        (m_scrollSpeed > 0 && m_offset > m_scrollOffset))
    {
      m_offset = m_scrollOffset;
      m_scrollSpeed = 0;
    }
  }
  m_scrollLastTime = m_renderTime;

  // first we update visibility of all our items, to ensure our size and
  // alignment computations are correct.
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    CGUIControl *control = *it;
    GUIPROFILER_VISIBILITY_BEGIN(control);
    control->UpdateVisibility();
    GUIPROFILER_VISIBILITY_END(control);
  }

  ValidateOffset();
  if (m_pageControl)
  {
    CGUIMessage message(GUI_MSG_LABEL_RESET, GetParentID(), m_pageControl, (int)m_height, (int)m_totalSize);
    SendWindowMessage(message);
    CGUIMessage message2(GUI_MSG_ITEM_SELECT, GetParentID(), m_pageControl, (int)m_offset);
    SendWindowMessage(message2);
  }
  // we run through the controls, rendering as we go
  bool render(g_graphicsContext.SetClipRegion(m_posX, m_posY, m_width, m_height));
  float pos = GetAlignOffset();
  float focusedPos = 0;
  CGUIControl *focusedControl = NULL;
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    // note we render all controls, even if they're offscreen, as then they'll be updated
    // with respect to animations
    CGUIControl *control = *it;
    if (m_renderFocusedLast && control->HasFocus())
    {
      focusedControl = control;
      focusedPos = pos;
    }
    else
    {
      if (m_orientation == VERTICAL)
        g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_offset);
      else
        g_graphicsContext.SetOrigin(m_posX + pos - m_offset, m_posY);
      control->DoRender(m_renderTime);
    }
    if (control->IsVisible())
      pos += Size(control) + m_itemGap;
    g_graphicsContext.RestoreOrigin();
  }
  if (focusedControl)
  {
    if (m_orientation == VERTICAL)
      g_graphicsContext.SetOrigin(m_posX, m_posY + focusedPos - m_offset);
    else
      g_graphicsContext.SetOrigin(m_posX + focusedPos - m_offset, m_posY);
    focusedControl->DoRender(m_renderTime);
  }
  if (render) g_graphicsContext.RestoreClipRegion();
  CGUIControl::Render();
}