//*******************************************************************************
HRESULT CBCGPRibbonTabsGroup::accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEndUpAt)
{
pvarEndUpAt->vt = VT_EMPTY;
if (varStart.vt != VT_I4)
{
return E_INVALIDARG;
}
if (m_pRibbonBar->GetSafeHwnd() == NULL)
{
return S_FALSE;
}
switch (navDir)
{
case NAVDIR_FIRSTCHILD:
if (varStart.lVal == CHILDID_SELF)
{
pvarEndUpAt->vt = VT_I4;
pvarEndUpAt->lVal = 1;
return S_OK;
}
break;
case NAVDIR_LASTCHILD:
if (varStart.lVal == CHILDID_SELF)
{
pvarEndUpAt->vt = VT_I4;
pvarEndUpAt->lVal = (long)m_arButtons.GetSize();
return S_OK;
}
break;
case NAVDIR_NEXT:
case NAVDIR_RIGHT:
if (varStart.lVal != CHILDID_SELF)
{
pvarEndUpAt->vt = VT_I4;
pvarEndUpAt->lVal = varStart.lVal + 1;
if (pvarEndUpAt->lVal > m_arButtons.GetSize())
{
pvarEndUpAt->vt = VT_EMPTY;
return S_FALSE;
}
return S_OK;
}
else
{
if (m_pRibbonBar->m_TabElements.GetCount() > 0)
{
CBCGPBaseRibbonElement* pTabElement = m_pRibbonBar->m_TabElements.GetButton(0);
if (pTabElement != NULL)
{
ASSERT_VALID(pTabElement);
pvarEndUpAt->vt = VT_DISPATCH;
pvarEndUpAt->pdispVal = pTabElement->GetIDispatch(TRUE);
return S_OK;
}
}
else
{
CBCGPRibbonCategory* pCatrgory = m_pRibbonBar->GetActiveCategory();
if (pCatrgory != NULL)
{
ASSERT_VALID(pCatrgory);
pvarEndUpAt->vt = VT_DISPATCH;
pvarEndUpAt->pdispVal = pCatrgory->GetIDispatch(TRUE);
return S_OK;
}
}
}
break;
case NAVDIR_PREVIOUS:
case NAVDIR_LEFT:
if (varStart.lVal != CHILDID_SELF)
{
pvarEndUpAt->vt = VT_I4;
pvarEndUpAt->lVal = varStart.lVal - 1;
if (pvarEndUpAt->lVal <= 0)
{
pvarEndUpAt->vt = VT_EMPTY;
return S_FALSE;
}
return S_OK;
}
else
{
if (m_pRibbonBar->m_QAToolbar.IsVisible())
{
pvarEndUpAt->vt = VT_DISPATCH;
pvarEndUpAt->pdispVal = m_pRibbonBar->m_QAToolbar.GetIDispatch(TRUE);
return S_OK;
}
else
{
CBCGPRibbonMainButton* pMainButton = m_pRibbonBar->GetMainButton();
if (pMainButton != NULL)
{
ASSERT_VALID(pMainButton);
pvarEndUpAt->vt = VT_DISPATCH;
pvarEndUpAt->pdispVal = pMainButton->GetIDispatch(TRUE);
return S_OK;
}
}
}
break;
}
return S_FALSE;
}
