atlctrlx.h

是WTL的开发包,直接包括在路径中,最好放在VC目录中,要更新的包请到官方网站去下载

		return -1;	// not found
	}
};

class CMultiPaneStatusBarCtrl : public CMultiPaneStatusBarCtrlImpl<CMultiPaneStatusBarCtrl>
{
public:
	DECLARE_WND_SUPERCLASS(_T("WTL_MultiPaneStatusBar"), GetWndClassName())
};


/////////////////////////////////////////////////////////////////////////////
// CPaneContainer - provides header with title and close button for panes

// pane container extended styles
#define PANECNT_NOCLOSEBUTTON	0x00000001
#define PANECNT_VERTICAL	0x00000002

template <class T, class TBase = CWindow, class TWinTraits = CControlWinTraits>
class ATL_NO_VTABLE CPaneContainerImpl : public CWindowImpl< T, TBase, TWinTraits >, public CCustomDraw< T >
{
public:
	DECLARE_WND_CLASS_EX(NULL, 0, -1)

// Constants
	enum
	{
		m_cxyBorder = 2,
		m_cxyTextOffset = 4,
		m_cxyBtnOffset = 1,

		m_cchTitle = 80,

		m_cxImageTB = 13,
		m_cyImageTB = 11,
		m_cxyBtnAddTB = 7,

		m_cxToolBar = m_cxImageTB + m_cxyBtnAddTB + m_cxyBorder + m_cxyBtnOffset,

		m_xBtnImageLeft = 6,
		m_yBtnImageTop = 5,
		m_xBtnImageRight = 12,
		m_yBtnImageBottom = 11,

		m_nCloseBtnID = ID_PANE_CLOSE
	};

// Data members
	CToolBarCtrl m_tb;
	CWindow m_wndClient;
	int m_cxyHeader;
	TCHAR m_szTitle[m_cchTitle];
	DWORD m_dwExtendedStyle;	// Pane container specific extended styles


// Constructor
	CPaneContainerImpl() : m_cxyHeader(0), m_dwExtendedStyle(0)
	{
		m_szTitle[0] = 0;
	}

// Attributes
	DWORD GetPaneContainerExtendedStyle() const
	{
		return m_dwExtendedStyle;
	}

	DWORD SetPaneContainerExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
	{
		DWORD dwPrevStyle = m_dwExtendedStyle;
		if(dwMask == 0)
			m_dwExtendedStyle = dwExtendedStyle;
		else
			m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);
		if(m_hWnd != NULL)
		{
			T* pT = static_cast<T*>(this);
			bool bUpdate = false;

			if(((dwPrevStyle & PANECNT_NOCLOSEBUTTON) != 0) && ((dwExtendedStyle & PANECNT_NOCLOSEBUTTON) == 0))	// add close button
			{
				pT->CreateCloseButton();
				bUpdate = true;
			}
			else if(((dwPrevStyle & PANECNT_NOCLOSEBUTTON) == 0) && ((dwExtendedStyle & PANECNT_NOCLOSEBUTTON) != 0))	// remove close button
			{
				pT->DestroyCloseButton();
				bUpdate = true;
			}

			if((dwPrevStyle & PANECNT_VERTICAL) != (dwExtendedStyle & PANECNT_VERTICAL))	// change orientation
			{
				CalcSize();
				bUpdate = true;
			}

			if(bUpdate)
				pT->UpdateLayout();
		}
		return dwPrevStyle;
	}

	HWND GetClient() const
	{
		return m_wndClient;
	}

	HWND SetClient(HWND hWndClient)
	{
		HWND hWndOldClient = m_wndClient;
		m_wndClient = hWndClient;
		if(m_hWnd != NULL)
		{
			T* pT = static_cast<T*>(this);
			pT->UpdateLayout();
		}
		return hWndOldClient;
	}

	BOOL GetTitle(LPTSTR lpstrTitle, int cchLength) const
	{
		ATLASSERT(lpstrTitle != NULL);
		return (lstrcpyn(lpstrTitle, m_szTitle, cchLength) != NULL);
	}

	BOOL SetTitle(LPCTSTR lpstrTitle)
	{
		ATLASSERT(lpstrTitle != NULL);
		BOOL bRet = (lstrcpyn(m_szTitle, lpstrTitle, m_cchTitle) != NULL);
		if(bRet && m_hWnd != NULL)
		{
			T* pT = static_cast<T*>(this);
			pT->UpdateLayout();
		}
		return bRet;
	}

	int GetTitleLength() const
	{
		return lstrlen(m_szTitle);
	}

// Methods
	HWND Create(HWND hWndParent, LPCTSTR lpstrTitle = NULL, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
			DWORD dwExStyle = 0, UINT nID = 0, LPVOID lpCreateParam = NULL)
	{
		if(lpstrTitle != NULL)
			lstrcpyn(m_szTitle, lpstrTitle, m_cchTitle);
		return CWindowImpl< T, TBase, TWinTraits >::Create(hWndParent, rcDefault, NULL, dwStyle, dwExStyle, nID, lpCreateParam);
	}

	HWND Create(HWND hWndParent, UINT uTitleID, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
			DWORD dwExStyle = 0, UINT nID = 0, LPVOID lpCreateParam = NULL)
	{
		if(uTitleID != 0U)
			::LoadString(_Module.GetResourceInstance(), uTitleID, m_szTitle, m_cchTitle);
		return CWindowImpl< T, TBase, TWinTraits >::Create(hWndParent, rcDefault, NULL, dwStyle, dwExStyle, nID, lpCreateParam);
	}

	BOOL EnableCloseButton(BOOL bEnable)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		T* pT = static_cast<T*>(this);
		pT;	// avoid level 4 warning
		return (m_tb.m_hWnd != NULL) ? m_tb.EnableButton(pT->m_nCloseBtnID, bEnable) : FALSE;
	}

	void UpdateLayout()
	{
		RECT rcClient;
		GetClientRect(&rcClient);
		T* pT = static_cast<T*>(this);
		pT->UpdateLayout(rcClient.right, rcClient.bottom);
	}

// Message map and handlers
	BEGIN_MSG_MAP(CPaneContainerImpl)
		MESSAGE_HANDLER(WM_CREATE, OnCreate)
		MESSAGE_HANDLER(WM_SIZE, OnSize)
		MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
		MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
		MESSAGE_HANDLER(WM_PAINT, OnPaint)
		MESSAGE_HANDLER(WM_NOTIFY, OnNotify)
		MESSAGE_HANDLER(WM_COMMAND, OnCommand)
		FORWARD_NOTIFICATIONS()
	END_MSG_MAP()

	LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->CalcSize();

		if((m_dwExtendedStyle & PANECNT_NOCLOSEBUTTON) == 0)
			pT->CreateCloseButton();

		return 0;
	}

	LRESULT OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->UpdateLayout(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
		return 0;
	}

	LRESULT OnSetFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		if(m_wndClient.m_hWnd != NULL)
			m_wndClient.SetFocus();
		return 0;
	}

	LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		return 1;	// no background needed
	}

	LRESULT OnPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		CPaintDC dc(m_hWnd);

		T* pT = static_cast<T*>(this);
		pT->DrawPaneTitle(dc.m_hDC);

		if(m_wndClient.m_hWnd == NULL)	// no client window
			pT->DrawPane(dc.m_hDC);

		return 0;
	}

	LRESULT OnNotify(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
	{
		if(m_tb.m_hWnd == NULL)
		{
			bHandled = FALSE;
			return 1;
		}

		T* pT = static_cast<T*>(this);
		LPNMHDR lpnmh = (LPNMHDR)lParam;
		LRESULT lRet = 0;

		// pass toolbar custom draw notifications to the base class
		if(lpnmh->code == NM_CUSTOMDRAW && lpnmh->hwndFrom == m_tb.m_hWnd)
			lRet = CCustomDraw< T >::OnCustomDraw(0, lpnmh, bHandled);
		// tooltip notifications come with the tooltip window handle and button ID,
		// pass them to the parent if we don't handle them
		else if(lpnmh->code == TTN_GETDISPINFO && lpnmh->idFrom == pT->m_nCloseBtnID)
			bHandled = pT->GetToolTipText(lpnmh);
		// only let notifications not from the toolbar go to the parent
		else if(lpnmh->hwndFrom != m_tb.m_hWnd && lpnmh->idFrom != pT->m_nCloseBtnID)
			bHandled = FALSE;

		return lRet;
	}

	LRESULT OnCommand(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
	{
		// if command comes from the close button, substitute HWND of the pane container instead
		if(m_tb.m_hWnd != NULL && (HWND)lParam == m_tb.m_hWnd)
			return ::SendMessage(GetParent(), WM_COMMAND, wParam, (LPARAM)m_hWnd);

		bHandled = FALSE;
		return 1;
	}

// Custom draw overrides
	DWORD OnPrePaint(int /*idCtrl*/, LPNMCUSTOMDRAW /*lpNMCustomDraw*/)
	{
		return CDRF_NOTIFYITEMDRAW;	// we need per-item notifications
	}

	DWORD OnItemPrePaint(int /*idCtrl*/, LPNMCUSTOMDRAW lpNMCustomDraw)
	{
		CDCHandle dc = lpNMCustomDraw->hdc;
#if (_WIN32_IE >= 0x0400)
		RECT& rc = lpNMCustomDraw->rc;
#else //!(_WIN32_IE >= 0x0400)
		RECT rc;
		m_tb.GetItemRect(0, &rc);
#endif //!(_WIN32_IE >= 0x0400)

		dc.FillRect(&rc, COLOR_3DFACE);

		return CDRF_NOTIFYPOSTPAINT;
	}

	DWORD OnItemPostPaint(int /*idCtrl*/, LPNMCUSTOMDRAW lpNMCustomDraw)
	{
		CDCHandle dc = lpNMCustomDraw->hdc;
#if (_WIN32_IE >= 0x0400)
		RECT& rc = lpNMCustomDraw->rc;
#else //!(_WIN32_IE >= 0x0400)
		RECT rc;
		m_tb.GetItemRect(0, &rc);
#endif //!(_WIN32_IE >= 0x0400)

		RECT rcImage = { m_xBtnImageLeft, m_yBtnImageTop, m_xBtnImageRight + 1, m_yBtnImageBottom + 1 };
		::OffsetRect(&rcImage, rc.left, rc.top);
		T* pT = static_cast<T*>(this);

		if((lpNMCustomDraw->uItemState & CDIS_DISABLED) != 0)
		{
			RECT rcShadow = rcImage;
			::OffsetRect(&rcShadow, 1, 1);
			CPen pen1;
			pen1.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_3DHILIGHT));
			pT->DrawButtonImage(dc, rcShadow, pen1);
			CPen pen2;
			pen2.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_3DSHADOW));
			pT->DrawButtonImage(dc, rcImage, pen2);
		}
		else
		{
			if((lpNMCustomDraw->uItemState & CDIS_SELECTED) != 0)
				::OffsetRect(&rcImage, 1, 1);
			CPen pen;
			pen.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_BTNTEXT));
			pT->DrawButtonImage(dc, rcImage, pen);
		}

		return CDRF_DODEFAULT;	// continue with the default item painting
	}

// Implementation - overrideable methods
	void UpdateLayout(int cxWidth, int cyHeight)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		RECT rect;

		if(IsVertical())
		{
			::SetRect(&rect, 0, 0, m_cxyHeader, cyHeight);
			if(m_tb.m_hWnd != NULL)
				m_tb.SetWindowPos(NULL, m_cxyBorder, m_cxyBorder + m_cxyBtnOffset, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);

			if(m_wndClient.m_hWnd != NULL)
				m_wndClient.SetWindowPos(NULL, m_cxyHeader, 0, cxWidth - m_cxyHeader, cyHeight, SWP_NOZORDER);
			else
				rect.right = cxWidth;
		}
		else
		{
			::SetRect(&rect, 0, 0, cxWidth, m_cxyHeader);
			if(m_tb.m_hWnd != NULL)
				m_tb.SetWindowPos(NULL, rect.right - m_cxToolBar, m_cxyBorder + m_cxyBtnOffset, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);

			if(m_wndClient.m_hWnd != NULL)
				m_wndClient.SetWindowPos(NULL, 0, m_cxyHeader, cxWidth, cyHeight - m_cxyHeader, SWP_NOZORDER);
			else
				rect.bottom = cyHeight;
		}

		InvalidateRect(&rect);
	}

	void CreateCloseButton()
	{
		ATLASSERT(m_tb.m_hWnd == NULL);
		// create toolbar for the "x" button
		m_tb.Create(m_hWnd, rcDefault, NULL, WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | CCS_NODIVIDER | CCS_NORESIZE | CCS_NOPARENTALIGN | CCS_NOMOVEY | TBSTYLE_TOOLTIPS | TBSTYLE_FLAT, 0);
		ATLASSERT(m_tb.IsWindow());

		if(m_tb.m_hWnd != NULL)
		{
			T* pT = static_cast<T*>(this);
			pT;	// avoid level 4 warning

			m_tb.SetButtonStructSize();

			TBBUTTON tbbtn;
			memset(&tbbtn, 0, sizeof(tbbtn));
			tbbtn.idCommand = pT->m_nCloseBtnID;
			tbbtn.fsState = TBSTATE_ENABLED;
			tbbtn.fsStyle = TBSTYLE_BUTTON;
			m_tb.AddButtons(1, &tbbtn);

			m_tb.SetBitmapSize(m_cxImageTB, m_cyImageTB);
			m_tb.SetButtonSize(m_cxImageTB + m_cxyBtnAddTB, m_cyImageTB + m_cxyBtnAddTB);

			if(IsVertical())
				m_tb.SetWindowPos(NULL, m_cxyBorder + m_cxyBtnOffset, m_cxyBorder + m_cxyBtnOffset, m_cxImageTB + m_cxyBtnAddTB, m_cyImageTB + m_cxyBtnAddTB, SWP_NOZORDER | SWP_NOACTIVATE);
			else
				m_tb.SetWindowPos(NULL, 0, 0, m_cxImageTB + m_cxyBtnAddTB, m_cyImageTB + m_cxyBtnAddTB, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
		}
	}

	void DestroyCloseButton()
	{
		if(m_tb.m_hWnd != NULL)
			m_tb.DestroyWindow();
	}

	void CalcSize()
	{
		T* pT = static_cast<T*>(this);
		CFontHandle font = pT->GetTitleFont();
		LOGFONT lf;
		font.GetLogFont(lf);
		if(IsVertical())
		{
			m_cxyHeader = m_cxImageTB + m_cxyBtnAddTB + m_cxyBorder;
		}
		else
		{
			int cyFont = abs(lf.lfHeight) + m_cxyBorder + 2 * m_cxyTextOffset;
			int cyBtn = m_cyImageTB + m_cxyBtnAddTB + m_cxyBorder + 2 * m_cxyBtnOffset;
			m_cxyHeader = max(cyFont, cyBtn);
		}
	}

	HFONT GetTitleFont() const
	{
		return AtlGetDefaultGuiFont();
	}

	BOOL GetToolTipText(LPNMHDR /*lpnmh*/)
	{
		return FALSE;
	}

	void DrawPaneTitle(CDCHandle dc)
	{
		RECT rect;
		GetClientRect(&rect);

		if(IsVertical())
		{
			rect.right = rect.left + m_cxyHeader;
			dc.DrawEdge(&rect, EDGE_ETCHED, BF_LEFT | BF_TOP | BF_BOTTOM | BF_ADJUST);
			dc.FillRect(&rect, COLOR_3DFACE);
		}
		else
		{
			rect.bottom = rect.top + m_cxyHeader;
			dc.DrawEdge(&rect, EDGE_ETCHED, BF_LEFT | BF_TOP | BF_RIGHT | BF_ADJUST);
			dc.FillRect(&rect, COLOR_3DFACE);
			// draw title only for horizontal pane container
			dc.SetTextColor(::GetSysColor(COLOR_WINDOWTEXT));
			dc.SetBkMode(TRANSPARENT);
			T* pT = static_cast<T*>(this);
			HFONT hFontOld = dc.SelectFont(pT->GetTitleFont());
			rect.left += m_cxyTextOffset;
			rect.right -= m_cxyTextOffset;
			if(m_tb.m_hWnd != NULL)
				rect.right -= m_cxToolBar;;
			dc.DrawText(m_szTitle, -1, &rect, DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_END_ELLIPSIS);
			dc.SelectFont(hFontOld);
		}
	}

	// called only if pane is empty
	void DrawPane(CDCHandle dc)
	{
		RECT rect;
		GetClientRect(&rect);
		if(IsVertical())
			rect.left += m_cxyHeader;
		else
			rect.top += m_cxyHeader;
		if((GetExStyle() & WS_EX_CLIENTEDGE) == 0)
			dc.DrawEdge(&rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
		dc.FillRect(&rect, COLOR_APPWORKSPACE);
	}

	// drawing helper - draws "x" button image
	void DrawButtonImage(CDCHandle dc, RECT& rcImage, HPEN hPen)
	{
		HPEN hPenOld = dc.SelectPen(hPen);

		dc.MoveTo(rcImage.left, rcImage.top);
		dc.LineTo(rcImage.right, rcImage.bottom);
		dc.MoveTo(rcImage.left + 1, rcImage.top);
		dc.LineTo(rcImage.right + 1, rcImage.bottom);

		dc.MoveTo(rcImage.left, rcImage.bottom - 1);
		dc.LineTo(rcImage.right, rcImage.top - 1);
		dc.MoveTo(rcImage.left + 1, rcImage.bottom - 1);
		dc.LineTo(rcImage.right + 1, rcImage.top - 1);

		dc.SelectPen(hPenOld);
	}

	bool IsVertical() const
	{
		return ((m_dwExtendedStyle & PANECNT_VERTICAL) != 0);
	}
};

class CPaneContainer : public CPaneContainerImpl<CPaneContainer>
{
public:
	DECLARE_WND_CLASS_EX(_T("WTL_PaneContainer"), 0, -1)
};

}; //namespace WTL

#endif // __ATLCTRLX_H__