atlcontrols.h

The source code of Travelling Salesman Problem. Implement in Visual C++.

	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETMARGINS, EC_LEFTMARGIN|EC_RIGHTMARGIN, MAKELONG(nLeft, nRight));
	}
	DWORD GetMargins() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (DWORD)::SendMessage(m_hWnd, EM_GETMARGINS, 0, 0L);
	}
	void SetLimitText(UINT nMax)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETLIMITTEXT, nMax, 0L);
	}
	UINT GetLimitText() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (UINT)::SendMessage(m_hWnd, EM_GETLIMITTEXT, 0, 0L);
	}
	POINT PosFromChar(UINT nChar) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		POINT point;
		::SendMessage(m_hWnd, EM_POSFROMCHAR, (WPARAM)&point, (LPARAM)nChar);
		return point;
	}
	int CharFromPos(POINT pt) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_CHARFROMPOS, 0, MAKELPARAM(pt.x, pt.y));
	}

	// NOTE: first word in lpszBuffer must contain the size of the buffer!
	int GetLine(int nIndex, LPTSTR lpszBuffer) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_GETLINE, nIndex, (LPARAM)lpszBuffer);
	}
	int GetLine(int nIndex, LPTSTR lpszBuffer, int nMaxLength) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		*(LPWORD)lpszBuffer = (WORD)nMaxLength;
		return (int)::SendMessage(m_hWnd, EM_GETLINE, nIndex, (LPARAM)lpszBuffer);
	}

// Operations
	void EmptyUndoBuffer()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_EMPTYUNDOBUFFER, 0, 0L);
	}
	BOOL FmtLines(BOOL bAddEOL)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_FMTLINES, bAddEOL, 0L);
	}
	void LimitText(int nChars = 0)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_LIMITTEXT, nChars, 0L);
	}
	int LineFromChar(int nIndex = -1) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_LINEFROMCHAR, nIndex, 0L);
	}
	int LineIndex(int nLine = -1) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_LINEINDEX, nLine, 0L);
	}
	int LineLength(int nLine = -1) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_LINELENGTH, nLine, 0L);
	}
	void LineScroll(int nLines, int nChars = 0)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_LINESCROLL, nChars, nLines);
	}
	void ReplaceSel(LPCTSTR lpszNewText, BOOL bCanUndo = FALSE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_REPLACESEL, (WPARAM) bCanUndo, (LPARAM)lpszNewText);
	}
	void SetPasswordChar(TCHAR ch)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETPASSWORDCHAR, ch, 0L);
	}
	void SetRect(LPCRECT lpRect)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETRECT, 0, (LPARAM)lpRect);
	}
	void SetRectNP(LPCRECT lpRect)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETRECTNP, 0, (LPARAM)lpRect);
	}
	void SetSel(DWORD dwSelection, BOOL bNoScroll = FALSE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETSEL, LOWORD(dwSelection), HIWORD(dwSelection));
		if(!bNoScroll)
			::SendMessage(m_hWnd, EM_SCROLLCARET, 0, 0L);
	}
	void SetSel(int nStartChar, int nEndChar, BOOL bNoScroll = FALSE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETSEL, nStartChar, nEndChar);
		if(!bNoScroll)
			::SendMessage(m_hWnd, EM_SCROLLCARET, 0, 0L);
	}
	BOOL SetTabStops(int nTabStops, LPINT rgTabStops)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_SETTABSTOPS, nTabStops, (LPARAM)rgTabStops);
	}
	BOOL SetTabStops()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SendMessage(m_hWnd, EM_SETTABSTOPS, 0, 0L);
	}
	BOOL SetTabStops(const int& cxEachStop)    // takes an 'int'
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_SETTABSTOPS, 1, (LPARAM)(LPINT)&cxEachStop);
	}

	// Additional operations
	void ScrollCaret()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SCROLLCARET, 0, 0L);
	}
	void InsertText(int nInsertAfterChar, LPCTSTR lpstrText, BOOL bNoScroll = FALSE, BOOL bCanUndo = FALSE)
	{
		SetSel(nInsertAfterChar, nInsertAfterChar, bNoScroll);
		ReplaceSel(lpstrText, bCanUndo);
	}
	void AppendText(LPCTSTR lpstrText, BOOL bNoScroll = FALSE, BOOL bCanUndo = FALSE)
	{
		InsertText(GetWindowTextLength(), lpstrText, bNoScroll, bCanUndo);
	}

	// Clipboard operations
	BOOL Undo()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_UNDO, 0, 0L);
	}
	void Clear()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, WM_CLEAR, 0, 0L);
	}
	void Copy()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, WM_COPY, 0, 0L);
	}
	void Cut()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, WM_CUT, 0, 0L);
	}
	void Paste()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, WM_PASTE, 0, 0L);
	}

	BOOL SetReadOnly(BOOL bReadOnly = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_SETREADONLY, bReadOnly, 0L);
	}
	int GetFirstVisibleLine() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_GETFIRSTVISIBLELINE, 0, 0L);
	}
	TCHAR GetPasswordChar() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (TCHAR)::SendMessage(m_hWnd, EM_GETPASSWORDCHAR, 0, 0L);
	}
};

typedef CEditT<CWindow>     CEdit;

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

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

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

	HWND Create(HWND hWndParent, RECT& rcPos, LPCTSTR szWindowName = NULL,
			DWORD dwStyle = 0, DWORD dwExStyle = 0,
			UINT nID = 0, LPVOID lpCreateParam = NULL)
	{
		return CWindow::Create(GetWndClassName(), hWndParent, rcPos, szWindowName, dwStyle, dwExStyle, nID, lpCreateParam);
	}
	HWND Create(HWND hWndParent, LPRECT lpRect = NULL, LPCTSTR szWindowName = NULL,
			DWORD dwStyle = 0, DWORD dwExStyle = 0,
			HMENU hMenu = NULL, LPVOID lpCreateParam = NULL)
	{
		return CWindow::Create(GetWndClassName(), hWndParent, lpRect, szWindowName, dwStyle, dwExStyle, hMenu, lpCreateParam);
	}

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

	int GetScrollPos() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::GetScrollPos(m_hWnd, SB_CTL);
	}
	int SetScrollPos(int nPos, BOOL bRedraw = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SetScrollPos(m_hWnd, SB_CTL, nPos, bRedraw);
	}
	void GetScrollRange(LPINT lpMinPos, LPINT lpMaxPos) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::GetScrollRange(m_hWnd, SB_CTL, lpMinPos, lpMaxPos);
	}
	void SetScrollRange(int nMinPos, int nMaxPos, BOOL bRedraw = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SetScrollRange(m_hWnd, SB_CTL, nMinPos, nMaxPos, bRedraw);
	}
	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);
	}

	BOOL SetScrollInfo(LPSCROLLINFO lpScrollInfo, BOOL bRedraw = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SetScrollInfo(m_hWnd, SB_CTL, lpScrollInfo, bRedraw);
	}
	BOOL GetScrollInfo(LPSCROLLINFO lpScrollInfo)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::GetScrollInfo(m_hWnd, SB_CTL, lpScrollInfo);
	}
	int GetScrollLimit()
	{
		int nMin, nMax;
		::GetScrollRange(m_hWnd, SB_CTL, &nMin, &nMax);
		SCROLLINFO info;
		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;
	}
};

typedef CScrollBarT<CWindow>    CScrollBar;


// --- Windows Common Controls ---

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

class CImageList
{
public:
	HIMAGELIST m_hImageList;

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

	CImageList& operator=(HIMAGELIST hImageList)
	{
		m_hImageList = hImageList;
		return *this;
	}

	operator HIMAGELIST() const { return m_hImageList; }

	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(UINT nBitmapID, int cx, int nGrow, COLORREF crMask)
	{
		ATLASSERT(m_hImageList == NULL);
		ATLASSERT(HIWORD(nBitmapID) == 0);
		m_hImageList = ImageList_LoadBitmap(_Module.GetModuleInstance(), MAKEINTRESOURCE(nBitmapID), cx, nGrow, crMask);
		return (m_hImageList != NULL) ? TRUE : FALSE;
	}
	BOOL Create(LPCTSTR lpszBitmapID, int cx, int nGrow, COLORREF crMask)
	{
		ATLASSERT(m_hImageList == NULL);
		m_hImageList = ImageList_LoadBitmap(_Module.GetModuleInstance(), lpszBitmapID, cx, nGrow, crMask);
		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;
	}

// Attributes

	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;
	}

	int GetImageCount() const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetImageCount(m_hImageList);
	}
	COLORREF SetBkColor(COLORREF cr)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetBkColor(m_hImageList, cr);
	}
	COLORREF GetBkColor() const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetBkColor(m_hImageList);
	}
	BOOL GetImageInfo(int nImage, IMAGEINFO* pImageInfo) const
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_GetImageInfo(m_hImageList, nImage, pImageInfo);
	}

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

	int Add(HBITMAP hBitmap, HBITMAP hBitmapMask)
	{
		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 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, 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 SetOverlayImage(int nImage, int nOverlay)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_SetOverlayImage(m_hImageList, nImage, nOverlay);
	}

// Drag APIs
	BOOL BeginDrag(int nImage, POINT ptHotSpot)
	{
		ATLASSERT(m_hImageList != NULL);
		return ImageList_BeginDrag(m_hImageList, nImage, ptHotSpot.x, ptHotSpot.y);
	}
	static void PASCAL EndDrag()
	{
		ImageList_EndDrag();
	}
	static BOOL PASCAL DragMove(POINT pt)
	{
		return ImageList_DragMove(pt.x, pt.y);