C++ (Cpp) CControlBase::GetPrevFocusableControl Examples

Example #1

File: DlgPopup.cpp Project: blueantstudio/DuiVision

// 获取上一个可以获取焦点的子控件
CControlBase* CDlgPopup::GetPrevFocusableControl()
{
	BOOL bStartSearch = FALSE;
	// 先按照焦点控件查找一次
	for (int i = m_vecControl.size()-1; i >= 0; i--)
	{
		CControlBase* pControlBase = m_vecControl.at(i);
		if (pControlBase && pControlBase->GetVisible() && !pControlBase->GetDisable() && bStartSearch && pControlBase->IsTabStop())
		{
			return pControlBase;			
		}else
		if (pControlBase && (pControlBase == m_pFocusControl))
		{
			bStartSearch = TRUE;
		}
	}

	// 再遍历子控件查找
	if(m_pFocusControl == NULL)
	{
		bStartSearch = TRUE;
	}
	for (int i = m_vecControl.size()-1; i >= 0; i--)
	{
		CControlBase* pControlBase = m_vecControl.at(i);
		if(m_pControl == NULL)
		{
			m_pControl = pControlBase;
		}
		if (pControlBase && pControlBase->GetVisible() && !pControlBase->GetDisable() && bStartSearch && pControlBase->IsTabStop())
		{
			return pControlBase;			
		}else
		if (pControlBase && (pControlBase == m_pControl))
		{
			// 查找子控件
			pControlBase = pControlBase->GetPrevFocusableControl(m_pFocusControl);
			if(pControlBase != NULL)
			{
				return pControlBase;
			}
			//bStartSearch = TRUE;
		}
	}

	return NULL;
}