atlctrls.h

Windows Templete Library 7.5

// class CMyEdit : public CWindowImpl<CMyEdit, CEdit>,
//                 public CEditCommands<CMyEdit>
// {
// public:
//      BEGIN_MSG_MAP(CMyEdit)
//              // your handlers...
//              CHAIN_MSG_MAP_ALT(CEditCommands<CMyEdit>, 1)
//      END_MSG_MAP()
//      // other stuff...
// };

template <class T>
class CEditCommands
{
public:
	BEGIN_MSG_MAP(CEditCommands< T >)
	ALT_MSG_MAP(1)
		COMMAND_ID_HANDLER(ID_EDIT_CLEAR, OnEditClear)
		COMMAND_ID_HANDLER(ID_EDIT_CLEAR_ALL, OnEditClearAll)
		COMMAND_ID_HANDLER(ID_EDIT_COPY, OnEditCopy)
		COMMAND_ID_HANDLER(ID_EDIT_CUT, OnEditCut)
		COMMAND_ID_HANDLER(ID_EDIT_PASTE, OnEditPaste)
		COMMAND_ID_HANDLER(ID_EDIT_SELECT_ALL, OnEditSelectAll)
		COMMAND_ID_HANDLER(ID_EDIT_UNDO, OnEditUndo)
	END_MSG_MAP()

	LRESULT OnEditClear(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->Clear();
		return 0;
	}

	LRESULT OnEditClearAll(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->SetSel(0, -1);
		pT->Clear();
		return 0;
	}

	LRESULT OnEditCopy(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->Copy();
		return 0;
	}

	LRESULT OnEditCut(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->Cut();
		return 0;
	}

	LRESULT OnEditPaste(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->Paste();
		return 0;
	}

	LRESULT OnEditSelectAll(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->SetSel(0, -1);
		return 0;
	}

	LRESULT OnEditUndo(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		T* pT = static_cast<T*>(this);
		pT->Undo();
		return 0;
	}

// State (update UI) helpers
	BOOL CanCut() const
	{ return HasSelection(); }

	BOOL CanCopy() const
	{ return HasSelection(); }

	BOOL CanClear() const
	{ return HasSelection(); }

	BOOL CanSelectAll() const
	{ return HasText(); }

	BOOL CanFind() const
	{ return HasText(); }

	BOOL CanRepeat() const
	{ return HasText(); }

	BOOL CanReplace() const
	{ return HasText(); }

	BOOL CanClearAll() const
	{ return HasText(); }

// Implementation
	BOOL HasSelection() const
	{
		const T* pT = static_cast<const T*>(this);
		int nMin, nMax;
		::SendMessage(pT->m_hWnd, EM_GETSEL, (WPARAM)&nMin, (LPARAM)&nMax);
		return (nMin != nMax);
	}

	BOOL HasText() const
	{
		const T* pT = static_cast<const T*>(this);
		return (pT->GetWindowTextLength() > 0);
	}
};


///////////////////////////////////////////////////////////////////////////////
// CScrollBar - client side for a Windows SCROLLBAR control

template <class TBase>
class CScrollBarT : public TBase
{
public:
// Constructors
	CScrollBarT(HWND hWnd = NULL) : TBase(hWnd)
	{ }

	CScrollBarT< TBase >& operator =(HWND hWnd)
	{
		m_hWnd = hWnd;
		return *this;
	}

	HWND Create(HWND hWndParent, ATL::_U_RECT rect = NULL, LPCTSTR szWindowName = NULL,
			DWORD dwStyle = 0, DWORD dwExStyle = 0,
			ATL::_U_MENUorID MenuOrID = 0U, LPVOID lpCreateParam = NULL)
	{
		return TBase::Create(GetWndClassName(), hWndParent, rect.m_lpRect, szWindowName, dwStyle, dwExStyle, MenuOrID.m_hMenu, lpCreateParam);
	}

// Attributes
	static LPCTSTR GetWndClassName()
	{
		return _T("SCROLLBAR");
	}

#ifndef _WIN32_WCE
	int GetScrollPos() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::GetScrollPos(m_hWnd, SB_CTL);
	}
#endif // !_WIN32_WCE

	int SetScrollPos(int nPos, BOOL bRedraw = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SetScrollPos(m_hWnd, SB_CTL, nPos, bRedraw);
	}

#ifndef _WIN32_WCE
	void GetScrollRange(LPINT lpMinPos, LPINT lpMaxPos) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::GetScrollRange(m_hWnd, SB_CTL, lpMinPos, lpMaxPos);
	}
#endif // !_WIN32_WCE

	void SetScrollRange(int nMinPos, int nMaxPos, BOOL bRedraw = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SetScrollRange(m_hWnd, SB_CTL, nMinPos, nMaxPos, bRedraw);
	}

	BOOL GetScrollInfo(LPSCROLLINFO lpScrollInfo) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::GetScrollInfo(m_hWnd, SB_CTL, lpScrollInfo);
	}

	int SetScrollInfo(LPSCROLLINFO lpScrollInfo, BOOL bRedraw = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SetScrollInfo(m_hWnd, SB_CTL, lpScrollInfo, bRedraw);
	}

#ifndef _WIN32_WCE
	int GetScrollLimit() const
	{
		int nMin = 0, nMax = 0;
		::GetScrollRange(m_hWnd, SB_CTL, &nMin, &nMax);
		SCROLLINFO info = { 0 };
		info.cbSize = sizeof(SCROLLINFO);
		info.fMask = SIF_PAGE;
		if(::GetScrollInfo(m_hWnd, SB_CTL, &info))
			nMax -= ((info.nPage - 1) > 0) ? (info.nPage - 1) : 0;

		return nMax;
	}

#if (WINVER >= 0x0500)
	BOOL GetScrollBarInfo(PSCROLLBARINFO pScrollBarInfo) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
#if (_WIN32_WINNT >= 0x0501)
		return (BOOL)::SendMessage(m_hWnd, SBM_GETSCROLLBARINFO, 0, (LPARAM)pScrollBarInfo);
#else // !(_WIN32_WINNT >= 0x0501)
		return ::GetScrollBarInfo(m_hWnd, OBJID_CLIENT, pScrollBarInfo);
#endif // !(_WIN32_WINNT >= 0x0501)
	}
#endif // (WINVER >= 0x0500)

// Operations
	void ShowScrollBar(BOOL bShow = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::ShowScrollBar(m_hWnd, SB_CTL, bShow);
	}

	BOOL EnableScrollBar(UINT nArrowFlags = ESB_ENABLE_BOTH)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::EnableScrollBar(m_hWnd, SB_CTL, nArrowFlags);
	}
#endif // !_WIN32_WCE
};

typedef CScrollBarT<ATL::CWindow>   CScrollBar;


// --- Windows Common Controls ---

///////////////////////////////////////////////////////////////////////////////
// CImageList

class CImageList
{
public:
	HIMAGELIST m_hImageList;

// Constructor
	CImageList(HIMAGELIST hImageList = NULL) : m_hImageList(hImageList)
	{ }

// Operators, etc.
	CImageList& operator =(HIMAGELIST hImageList)
	{
		m_hImageList = hImageList;
		return *this;
	}

	operator HIMAGELIST() const { return m_hImageList; }

	void Attach(HIMAGELIST hImageList)
	{
		ATLASSERT(m_hImageList == NULL);
		ATLASSERT(hImageList != NULL);
		m_hImageList = hImageList;
	}

	HIMAGELIST Detach()
	{
		HIMAGELIST hImageList = m_hImageList;
		m_hImageList = NULL;
		return hImageList;
	}

	bool IsNull() const { return (m_hImageList == NULL); }

// Attributes
	int GetImageCount() const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetImageCount(m_hImageList);
	}

	COLORREF GetBkColor() const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetBkColor(m_hImageList);
	}

	COLORREF SetBkColor(COLORREF cr)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetBkColor(m_hImageList, cr);
	}

	BOOL GetImageInfo(int nImage, IMAGEINFO* pImageInfo) const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetImageInfo(m_hImageList, nImage, pImageInfo);
	}

	HICON GetIcon(int nIndex, UINT uFlags = ILD_NORMAL) const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetIcon(m_hImageList, nIndex, uFlags);
	}

	BOOL GetIconSize(int& cx, int& cy) const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetIconSize(m_hImageList, &cx, &cy);
	}

	BOOL GetIconSize(SIZE& size) const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetIconSize(m_hImageList, (int*)&size.cx, (int*)&size.cy);
	}

	BOOL SetIconSize(int cx, int cy)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetIconSize(m_hImageList, cx, cy);
	}

	BOOL SetIconSize(SIZE size)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetIconSize(m_hImageList, size.cx, size.cy);
	}

	BOOL SetImageCount(UINT uNewCount)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetImageCount(m_hImageList, uNewCount);
	}

	BOOL SetOverlayImage(int nImage, int nOverlay)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetOverlayImage(m_hImageList, nImage, nOverlay);
	}

// Operations
	BOOL Create(int cx, int cy, UINT nFlags, int nInitial, int nGrow)
	{
		ATLASSERT(m_hImageList == NULL);
		m_hImageList = ImageList_Create(cx, cy, nFlags, nInitial, nGrow);
		return (m_hImageList != NULL) ? TRUE : FALSE;
	}

	BOOL Create(ATL::_U_STRINGorID bitmap, int cx, int nGrow, COLORREF crMask)
	{
		ATLASSERT(m_hImageList == NULL);
#if (_ATL_VER >= 0x0700)
		m_hImageList = ImageList_LoadBitmap(ATL::_AtlBaseModule.GetResourceInstance(), bitmap.m_lpstr, cx, nGrow, crMask);
#else // !(_ATL_VER >= 0x0700)
		m_hImageList = ImageList_LoadBitmap(_Module.GetResourceInstance(), bitmap.m_lpstr, cx, nGrow, crMask);
#endif // !(_ATL_VER >= 0x0700)
		return (m_hImageList != NULL) ? TRUE : FALSE;
	}

	BOOL CreateFromImage(ATL::_U_STRINGorID image, int cx, int nGrow, COLORREF crMask, UINT uType, UINT uFlags = LR_DEFAULTCOLOR | LR_DEFAULTSIZE)
	{
		ATLASSERT(m_hImageList == NULL);
#if (_ATL_VER >= 0x0700)
		m_hImageList = ImageList_LoadImage(ATL::_AtlBaseModule.GetResourceInstance(), image.m_lpstr, cx, nGrow, crMask, uType, uFlags);
#else // !(_ATL_VER >= 0x0700)
		m_hImageList = ImageList_LoadImage(_Module.GetResourceInstance(), image.m_lpstr, cx, nGrow, crMask, uType, uFlags);
#endif // !(_ATL_VER >= 0x0700)
		return (m_hImageList != NULL) ? TRUE : FALSE;
	}

	BOOL Merge(HIMAGELIST hImageList1, int nImage1, HIMAGELIST hImageList2, int nImage2, int dx, int dy)
	{
		ATLASSERT(m_hImageList == NULL);
		m_hImageList = ImageList_Merge(hImageList1, nImage1, hImageList2, nImage2, dx, dy);
		return (m_hImageList != NULL) ? TRUE : FALSE;
	}

#ifndef _WIN32_WCE
	BOOL CreateFromStream(LPSTREAM lpStream)
	{
		ATLASSERT(m_hImageList == NULL);
		m_hImageList = ImageList_Read(lpStream);
		return (m_hImageList != NULL) ? TRUE : FALSE;
	}
#endif // !_WIN32_WCE

	BOOL Destroy()
	{
		if (m_hImageList == NULL)
			return FALSE;
		BOOL bRet = ImageList_Destroy(m_hImageList);
		if(bRet)
			m_hImageList = NULL;
		return bRet;
	}

	int Add(HBITMAP hBitmap, HBITMAP hBitmapMask = NULL)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_Add(m_hImageList, hBitmap, hBitmapMask);
	}

	int Add(HBITMAP hBitmap, COLORREF crMask)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_AddMasked(m_hImageList, hBitmap, crMask);
	}

	BOOL Remove(int nImage)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_Remove(m_hImageList, nImage);
	}

	BOOL RemoveAll()
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_RemoveAll(m_hImageList);
	}

	BOOL Replace(int nImage, HBITMAP hBitmap, HBITMAP hBitmapMask)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_Replace(m_hImageList, nImage, hBitmap, hBitmapMask);
	}

	int AddIcon(HICON hIcon)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_AddIcon(m_hImageList, hIcon);
	}

	int ReplaceIcon(int nImage, HICON hIcon)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_ReplaceIcon(m_hImageList, nImage, hIcon);
	}

	HICON ExtractIcon(int nImage)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_ExtractIcon(NULL, m_hImageList, nImage);
	}

	BOOL Draw(HDC hDC, int nImage, int x, int y, UINT nStyle)
	{
		ATLASSERT(m_hImageList != NULL);
		ATLASSERT(hDC != NULL);
		return ImageList_Draw(m_hImageList, nImage, hDC, x, y, nStyle);
	}

	BOOL Draw(HDC hDC, int nImage, POINT pt, UINT nStyle)
	{
		ATLASSERT(m_hImageList != NULL);
		ATLASSERT(hDC != NULL);
		return ImageList_Draw(m_hImageList, nImage, hDC, pt.x, pt.y, nStyle);
	}

	BOOL DrawEx(int nImage, HDC hDC, int x, int y, int dx, int dy, COLORREF rgbBk, COLORREF rgbFg, UINT fStyle)
	{
		ATLASSERT(m_hImageList != NULL);
		ATLASSERT(hDC != NULL);
		return ImageList_DrawEx(m_hImageList, nImage, hDC, x, y, dx, dy, rgbBk, rgbFg, fStyle);
	}

	BOOL DrawEx(int nImage, HDC hDC, RECT& rect, COLORREF rgbBk, COLORREF rgbFg, UINT fStyle)
	{
		ATLASSERT(m_hImageList != NULL);
		ATLASSERT(hDC != NULL);
		return ImageList_DrawEx(m_hImageList, nImage, hDC, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, rgbBk, rgbFg, fStyle);
	}

	static BOOL DrawIndirect(IMAGELISTDRAWPARAMS* pimldp)
	{
		return ImageList_DrawIndirect(pimldp);
	}

	BOOL Copy(int nSrc, int nDst, UINT uFlags = ILCF_MOVE)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_Copy(m_hImageList, nDst, m_hImageList, nSrc, uFlags);
	}

#ifndef _WIN32_WCE
	static HIMAGELIST Read(LPSTREAM lpStream)
	{
		return ImageList_Read(lpStream);
	}

	BOOL Write(LPSTREAM lpStream)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_Write(m_hImageList, lpStream);
	}
#endif // !_WIN32_WCE

#if (_WIN32_WINNT >= 0x0501)
	static HRESULT ReadEx(DWORD dwFlags, LPSTREAM lpStream, REFIID riid, PVOID* ppv)
	{
		return ImageList_ReadEx(dwFlags, lpStream, riid, ppv);
	}

	HRESULT WriteEx(DWORD dwFlags, LPSTREAM lpStream)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_WriteEx(m_hImageList, dwFlags, lpStream);