// 鼠标滚轮消息处理
BOOL CDlgPopup::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt)
{
ScreenToClient(&pt);
zDelta /= WHEEL_DELTA;
UINT nFlag = (zDelta>0) ? SB_LINEUP : SB_LINEDOWN;
zDelta = abs(zDelta);
BOOL bResponse = FALSE;
for(short i = 0; i < zDelta; i++)
{
if (m_pControl && m_pControl->OnScroll(TRUE, nFlag, pt))
{
bResponse = TRUE;
continue;
}else
{
// 窗口控件事件处理
for (size_t i = 0; i < m_vecControl.size(); i++)
{
CControlBase * pControlBase = m_vecControl.at(i);
if (pControlBase && pControlBase->OnScroll(TRUE, nFlag, pt))
{
bResponse = TRUE;
break;
}
}
}
}
return bResponse;
}
// 滚动事件处理
BOOL CControlBase::OnScroll(BOOL bVertical, UINT nFlags, CPoint point)
{
if(!m_bIsVisible || !m_bRresponse) return false;
BOOL bRresponse = false;
if(m_pControl)
{
// 判断当前活动控件
if(m_pControl->PtInRect(point) && m_pControl->OnCheckMouseResponse(nFlags, point))
{
if(m_pControl->OnScroll(bVertical, nFlags, point))
{
return true;
}
return false;
}
}
if(PtInRect(point))
{
// 在此控件范围内,先判断此控件是否能处理
if(OnControlScroll(bVertical, nFlags, point))
{
return true;
}else
{
// 此控件没有处理,则遍历子控件看是否能处理
for (size_t i = 0; i < m_vecControl.size(); i++)
{
CControlBase * pControlBase = m_vecControl.at(i);
if (pControlBase && pControlBase->PtInRect(point))
{
if(pControlBase->OnScroll(bVertical, nFlags, point))
{
return true;
}
}
}
}
}
return false;
}
