C++ CControlBase类代码示例

void CScrollV::SetControlRect(CRect rc)
{
	m_rc = rc;
	SetRange();
	CRect rcTemp;
	for (size_t i = 0; i < m_vecControl.size(); i++)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase)
		{
			pControlBase->SetVisible(m_bShowScroll);

			UINT uControlID = pControlBase->GetControlID();
			if (BT_UP == uControlID)
			{
				rcTemp = m_rc;
				rcTemp.bottom = m_rc.top + 20;
			}
			else if(BT_DOWN == uControlID)
			{
				rcTemp = m_rc;
				rcTemp.top = m_rc.bottom - 20;
			}
			else
			{
				continue;
			}
			pControlBase->SetRect(rcTemp);			
		}
	}
}

void CDlgPopup::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	// 当前控件是否能处理
	if (m_pControl && m_pControl->OnKeyDown(nChar, nRepCnt, nFlags))
	{
		return;
	}
	
	// 子控件是否能处理
	for (size_t i = 0; i < m_vecControl.size(); i++)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase && pControlBase->OnKeyDown(nChar, nRepCnt, nFlags))
		{
			return;
		}	
	}

	if(OnControlKeyDown(nChar, nRepCnt, nFlags))
	{
		return;
	}

	CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
}

// 清除指定名字的子控件
BOOL CControlBase::RemoveControl(CString strControlName, UINT uControlID)
{
	vector<CControlBase*>::iterator it;
	for(it=m_vecControl.begin();it!=m_vecControl.end();++it)
	{
		CControlBase* pControlBase = *it;
		if (pControlBase && pControlBase->IsThisObject(uControlID, strControlName))
		{
			// 如果是焦点控件,则需要先将焦点设置为空
			if(pControlBase->IsFocusControl())
			{
				CDlgBase* pDlg = GetParentDialog(FALSE);
				if(pDlg)
				{
					pDlg->SetFocusControlPtr(NULL);
				}
			}
			m_vecControl.erase(it);
			delete pControlBase;
			return TRUE;
		}
	}

	return FALSE;
}

// 重载设置控件可见性的函数，需要调用子控件的函数
void CDuiPanel::SetControlVisible(BOOL bIsVisible)
{
	__super::SetControlVisible(bIsVisible);

	// 设置每个子控件的原生Windows控件的可见性
	for (size_t i = 0; i < m_vecControl.size(); i++)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase)
		{
			if(pControlBase->IsClass(_T("div")) || pControlBase->IsClass(_T("tabctrl")))
			{
				pControlBase->SetControlVisible(bIsVisible);
			}else
			{
				// Panel可见性变化时候,只会隐藏原生控件,不主动显示原生控件
				//if(!bIsVisible)
				{
					pControlBase->SetControlWndVisible(bIsVisible);
				}
			}
		}
	}

	if(m_pDuiPluginObject)
	{
		m_pDuiPluginObject->SetVisible(bIsVisible);
	}
}

void CDuiText::SetControlRect(CRect rc)
{
	m_rc = rc;

	CRect rcTemp;
	for (size_t i = 0; i < m_vecControl.size(); i++)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase)
		{
			UINT uControlID = pControlBase->GetControlID();
			if((SCROLL_V == uControlID) && m_bScrollV)
			{
				rcTemp = m_rc;
				rcTemp.left = rcTemp.right - m_nScrollWidth;
			}else
			if(LISTBK_AREA == uControlID)
			{
				rcTemp = m_rc;
				rcTemp.right -= m_nScrollWidth;
			}else
			{
				continue;
			}
			pControlBase->SetRect(rcTemp);			
		}
	}
}

// UI初始化,此函数在窗口的OnCreate函数中调用
void CDuiMenu::InitUI(CRect rcClient)
{
	// 如果有菜单项的预设置值,则设置相应的值到控件
	if(m_vecMenuItemValue.size() > 0)
	{
		for (size_t i = 0; i < m_vecMenuItemValue.size(); i++)
		{
			MenuItemValue& itemValue = m_vecMenuItemValue.at(i);
			CControlBase* pControlBase = GetControl(itemValue.strName);
			if(pControlBase)
			{
				if(!itemValue.strTitle.IsEmpty())
				{
					((CControlBaseFont*)pControlBase)->SetTitle(itemValue.strTitle);
				}
				if(!itemValue.bVisible)
				{
					pControlBase->SetVisible(FALSE);
				}
				if(itemValue.bDisable)
				{
					pControlBase->SetDisable(TRUE);
				}
				if(itemValue.nCheck != -1)
				{
					((CMenuItem*)pControlBase)->SetCheck(itemValue.nCheck);
				}
			}
		}

		// 刷新菜单项位置信息
		SetMenuPoint();
	}
}

// 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;
}

// 键盘事件处理
BOOL CControlBase::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	if(!m_bIsVisible || !m_bRresponse) return false;
	
	BOOL bRresponse = false;
	// 判断当前活动控件
	if(m_pControl && m_pControl->OnKeyDown(nChar, nRepCnt, nFlags))
	{
		return true;
	}

	// 控件自身是否可以处理此事件
	if(OnControlKeyDown(nChar, nRepCnt, nFlags))
	{
		return true;
	}

	// 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->OnKeyDown(nChar, nRepCnt, nFlags))
		{
			return true;
		}
	}

	return false;
}

void CALLBACK CControlBase::TimerCallProc(UINT TimerID2, UINT msg, DWORD dwUser, DWORD dwa, DWORD dwb)
{
	CControlBase *pControlBase = (CControlBase *)dwUser;
	if (pControlBase)
	{
		pControlBase->OnTimer();
	}
}

// 鼠标左键按下事件处理
BOOL CControlBase::OnLButtonDown(UINT nFlags, CPoint point)
{
	if(!m_bIsVisible || !m_bRresponse) return false;

	// 保存原始的鼠标位置,并进行位置变换
	CPoint oldPoint = point;
	OnMousePointChange(point);

	m_bMouseDown = m_rc.PtInRect(point);

	// 查找鼠标是否在某个内部控件位置,如果是的话就更新当前子控件(按照反向顺序查找,因为定义在后面的控件是优先级更高的)
	// 找到第一个符合条件的就结束查找
	for (int i = m_vecControl.size()-1; i >= 0; i--)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase && pControlBase->PtInRect(point))
		{
			if(pControlBase->GetVisible() && !pControlBase->GetDisable() && pControlBase->GetRresponse())
			{
				m_pControl = pControlBase;
				break;
			}
		}
	}

	if(m_pControl != NULL)
	{
		// 如果是控件内置滚动条子控件,则不进行位置变换,因为滚动条位置是不需要变换的
		UINT uControlID = m_pControl->GetControlID();
		if((SCROLL_V == uControlID) || (SCROLL_H == uControlID))
		{
			point = oldPoint;
		}
		if(m_pControl->OnLButtonDown(nFlags, point))
		{
			return true;
		}		
	}
	else
	{
		// 切换对话框中的当前焦点控件(暂不处理Popup窗口的切换)
		CDlgBase* pDlg = GetParentDialog(FALSE);
		if(pDlg)
		{
			pDlg->SetFocusControl(this);
		}

		// 发送鼠标左键按下DUI消息
		if(m_bDuiMsgMouseLDown && m_rc.PtInRect(point))
		{
			SendMessage(MSG_MOUSE_LDOWN, (WPARAM)nFlags, (LPARAM)(&point));
		}

		return OnControlLButtonDown(nFlags, point);
	}

	return false;
}

// 禁用控件
CControlBase * CDlgPopup::SetControlDisable(UINT uControlID, BOOL bDisable)
{
	CControlBase *pControlBase = GetControl(uControlID);
	if(pControlBase)
	{
		pControlBase->SetDisable(bDisable);
		UpdateHover();
	}
	return pControlBase;
}

// 初始化窗口控件
void CDuiPanel::InitUI(CRect rcClient, DuiXmlNode pNode)
{
	CRect rcTemp;
	int nStartX = 0;
	int nStartY = 0;
	CControlBase * pControlBase = NULL;

	// 加载所有窗口控件
	if(pNode)
	{
		m_nVirtualHeight = 0;
		m_nVirtualWidth = 0;
		for (DuiXmlNode pControlElem = pNode.first_child(); pControlElem; pControlElem=pControlElem.next_sibling())
		{
			if(pControlElem != NULL)
			{
				CString strControlName = pControlElem.name();
				CControlBase* pControl = _CreateControlByName(strControlName);
				if(pControl)
				{
					pControl->Load(pControlElem);
					if(pControl->IsClass(CArea::GetClassName()))
					{
						// Area不能响应鼠标,必须加到Area列表中
						m_vecArea.push_back(pControl);
					}else
					{
						m_vecControl.push_back(pControl);
					}

					CRect rcCtrl = pControl->GetRect();
					if(rcCtrl.bottom > m_nVirtualHeight)
					{
						m_nVirtualHeight = rcCtrl.bottom - m_rc.top;
					}
					if(rcCtrl.right > m_nVirtualWidth)
					{
						m_nVirtualWidth = rcCtrl.right - m_rc.left;
					}
				}
			}
		}

		// 需要的总高度大于显示区高度才会显示垂直滚动条
		m_pControScrollV->SetVisible(m_nVirtualHeight > m_rc.Height());
		((CDuiScrollVertical*)m_pControScrollV)->SetScrollMaxRange(m_nVirtualHeight);

		// 需要的总宽度大于显示区宽度才会显示垂直滚动条
		m_pControScrollH->SetVisible(m_nVirtualWidth > m_rc.Width());
		((CDuiScrollHorizontal*)m_pControScrollH)->SetScrollMaxRange(m_nVirtualWidth);
	}

	m_bInit = true;
}

// 清除指定类型的子控件
void CControlBase::RemoveControls(CStringA strClassName)
{
	for (int i = m_vecControl.size()-1; i >= 0; i--)
	{
		CControlBase* pControlBase = m_vecControl.at(i);
		if(pControlBase->IsClass(strClassName))
		{
			RemoveControl(pControlBase);
		}
	}
}

// 设置控件的位置
void CDuiPanel::SetControlRect(CRect rc)
{
	m_rc = rc;

	if(m_pDuiPluginObject)
	{
		m_pDuiPluginObject->SetRect(rc);
	}

	CRect rcTemp;
	for (size_t i = 0; i < m_vecControl.size(); i++)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase)
		{
			UINT uControlID = pControlBase->GetControlID();
			if(SCROLL_V == uControlID)
			{
				rcTemp = m_rc;
				rcTemp.left = rcTemp.right - m_nScrollWidth;
			}else
			if(SCROLL_H == uControlID)
			{
				rcTemp = m_rc;
				rcTemp.top = rcTemp.bottom - m_nScrollWidth;
			}else
			{
				rcTemp = pControlBase->GetRect();
				if(rcTemp.bottom > m_nVirtualHeight)
				{
					// 刷新Panel的虚拟高度
					m_nVirtualHeight = rcTemp.bottom - m_rc.top;
				}
				if(rcTemp.right > m_nVirtualWidth)
				{
					// 刷新Panel的虚拟宽度
					m_nVirtualWidth = rcTemp.right - m_rc.left;
				}
				continue;
			}
			pControlBase->SetRect(rcTemp);			
		}
	}

	// 需要的总高度大于显示区高度才会显示滚动条
	m_pControScrollV->SetVisible(m_nVirtualHeight > m_rc.Height());
	((CDuiScrollVertical*)m_pControScrollV)->SetScrollMaxRange(m_nVirtualHeight);

	// 需要的总宽度大于显示区宽度才会显示垂直滚动条
	m_pControScrollH->SetVisible(m_nVirtualWidth > m_rc.Width());
	((CDuiScrollHorizontal*)m_pControScrollH)->SetScrollMaxRange(m_nVirtualWidth);
}

void CControlBase::SetUpdate(BOOL bUpdate, COLORREF clr/* = 0*/)
{
	m_bUpdate = bUpdate;

	for (size_t i = 0; i < m_vecControl.size(); i++)
	{
		CControlBase * pControlBase = m_vecControl.at(i);
		if (pControlBase)
		{
			pControlBase->SetUpdate(bUpdate, clr);			
		}
	}
}