atlcontrols.h

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

		ATLASSERT(::IsWindow(m_hWnd)); ::SendMessage(m_hWnd, LB_SETCOLUMNWIDTH, cxWidth, 0L);
	}
	BOOL SetTabStops(int nTabStops, LPINT rgTabStops)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, LB_SETTABSTOPS, nTabStops, (LPARAM)rgTabStops);
	}
	BOOL SetTabStops()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, LB_SETTABSTOPS, 0, 0L);
	}
	BOOL SetTabStops(const int& cxEachStop)    // takes an 'int'
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, LB_SETTABSTOPS, 1, (LPARAM)(LPINT)&cxEachStop);
	}

	int SetItemHeight(int nIndex, UINT cyItemHeight)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_SETITEMHEIGHT, nIndex, MAKELONG(cyItemHeight, 0));
	}
	int GetItemHeight(int nIndex) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_GETITEMHEIGHT, nIndex, 0L);
	}
	int FindStringExact(int nIndexStart, LPCTSTR lpszFind) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_FINDSTRINGEXACT, nIndexStart, (LPARAM)lpszFind);
	}
	int GetCaretIndex() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_GETCARETINDEX, 0, 0);
	}
	int SetCaretIndex(int nIndex, BOOL bScroll = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_SETCARETINDEX, nIndex, MAKELONG(bScroll, 0));
	}

// Operations
	// manipulating listbox items
	int AddString(LPCTSTR lpszItem)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_ADDSTRING, 0, (LPARAM)lpszItem);
	}
	int DeleteString(UINT nIndex)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_DELETESTRING, nIndex, 0L);
	}
	int InsertString(int nIndex, LPCTSTR lpszItem)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_INSERTSTRING, nIndex, (LPARAM)lpszItem);
	}
	void ResetContent()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, LB_RESETCONTENT, 0, 0L);
	}
	int Dir(UINT attr, LPCTSTR lpszWildCard)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_DIR, attr, (LPARAM)lpszWildCard);
	}

	// selection helpers
	int FindString(int nStartAfter, LPCTSTR lpszItem) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_FINDSTRING, nStartAfter, (LPARAM)lpszItem);
	}
	int SelectString(int nStartAfter, LPCTSTR lpszItem)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, LB_SELECTSTRING, nStartAfter, (LPARAM)lpszItem);
	}
	int SelItemRange(BOOL bSelect, int nFirstItem, int nLastItem)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return bSelect ? (int)::SendMessage(m_hWnd, LB_SELITEMRANGEEX, nFirstItem, nLastItem) : (int)::SendMessage(m_hWnd, LB_SELITEMRANGEEX, nLastItem, nFirstItem);
	}
};

typedef CListBoxT<CWindow>  CListBox;

/////////////////////////////////////////////////////////////////////////////
// CComboBox - client side for a Windows COMBOBOX control

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

	CComboBoxT< 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("COMBOBOX");
	}

	// for entire combo box
	int GetCount() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETCOUNT, 0, 0L);
	}
	int GetCurSel() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETCURSEL, 0, 0L);
	}
	int SetCurSel(int nSelect)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SETCURSEL, nSelect, 0L);
	}
	LCID GetLocale() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (LCID)::SendMessage(m_hWnd, CB_GETLOCALE, 0, 0L);
	}
	LCID SetLocale(LCID nNewLocale)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (LCID)::SendMessage(m_hWnd, CB_SETLOCALE, (WPARAM)nNewLocale, 0L);
	}
	int GetTopIndex() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETTOPINDEX, 0, 0L);
	}
	int SetTopIndex(int nIndex)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SETTOPINDEX, nIndex, 0L);
	}
	int InitStorage(int nItems, UINT nBytes)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_INITSTORAGE, (WPARAM)nItems, nBytes);
	}
	void SetHorizontalExtent(UINT nExtent)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, CB_SETHORIZONTALEXTENT, nExtent, 0L);
	}
	UINT GetHorizontalExtent() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (UINT)::SendMessage(m_hWnd, CB_GETHORIZONTALEXTENT, 0, 0L);
	}
	int SetDroppedWidth(UINT nWidth)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SETDROPPEDWIDTH, nWidth, 0L);
	}
	int GetDroppedWidth() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETDROPPEDWIDTH, 0, 0L);
	}

	// for edit control
	DWORD GetEditSel() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SendMessage(m_hWnd, CB_GETEDITSEL, 0, 0L);
	}
	BOOL LimitText(int nMaxChars)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, CB_LIMITTEXT, nMaxChars, 0L);
	}
	BOOL SetEditSel(int nStartChar, int nEndChar)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, CB_SETEDITSEL, 0, MAKELONG(nStartChar, nEndChar));
	}

	// for combobox item
	DWORD GetItemData(int nIndex) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SendMessage(m_hWnd, CB_GETITEMDATA, nIndex, 0L);
	}
	int SetItemData(int nIndex, DWORD dwItemData)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SETITEMDATA, nIndex, (LPARAM)dwItemData);
	}
	void* GetItemDataPtr(int nIndex) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (LPVOID)GetItemData(nIndex);
	}
	int SetItemDataPtr(int nIndex, void* pData)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return SetItemData(nIndex, (DWORD)(LPVOID)pData);
	}
	int GetLBText(int nIndex, LPTSTR lpszText) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETLBTEXT, nIndex, (LPARAM)lpszText);
	}
#ifndef _ATL_NO_COM
	BOOL GetLBTextBSTR(int nIndex, BSTR& bstrText) const
	{
		USES_CONVERSION;
		ATLASSERT(::IsWindow(m_hWnd));
		ATLASSERT(bstrText == NULL);

		int nLen = GetLBTextLen(nIndex);
		if(nLen == CB_ERR)
			return FALSE;

		LPTSTR lpszText = (LPTSTR)_alloca((nLen + 1) * sizeof(TCHAR));

		if(GetLBText(nIndex, lpszText) == CB_ERR)
			return FALSE;

		bstrText = ::SysAllocString(T2OLE(lpszText));
		return (bstrText != NULL) ? TRUE : FALSE;
	}
#endif //!_ATL_NO_COM
	int GetLBTextLen(int nIndex) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETLBTEXTLEN, nIndex, 0L);
	}

	int SetItemHeight(int nIndex, UINT cyItemHeight)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SETITEMHEIGHT, nIndex, MAKELONG(cyItemHeight, 0));
	}
	int GetItemHeight(int nIndex) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_GETITEMHEIGHT, nIndex, 0L);
	}
	int FindStringExact(int nIndexStart, LPCTSTR lpszFind) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_FINDSTRINGEXACT, nIndexStart, (LPARAM)lpszFind);
	}
	int SetExtendedUI(BOOL bExtended = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SETEXTENDEDUI, bExtended, 0L);
	}
	BOOL GetExtendedUI() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, CB_GETEXTENDEDUI, 0, 0L);
	}
	void GetDroppedControlRect(LPRECT lprect) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, CB_GETDROPPEDCONTROLRECT, 0, (DWORD)lprect);
	}
	BOOL GetDroppedState() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, CB_GETDROPPEDSTATE, 0, 0L);
	}

// Operations
	// for drop-down combo boxes
	void ShowDropDown(BOOL bShowIt = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, CB_SHOWDROPDOWN, bShowIt, 0L);
	}

	// manipulating listbox items
	int AddString(LPCTSTR lpszString)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_ADDSTRING, 0, (LPARAM)lpszString);
	}
	int DeleteString(UINT nIndex)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_DELETESTRING, nIndex, 0L);
	}
	int InsertString(int nIndex, LPCTSTR lpszString)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_INSERTSTRING, nIndex, (LPARAM)lpszString);
	}
	void ResetContent()
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, CB_RESETCONTENT, 0, 0L);
	}
	int Dir(UINT attr, LPCTSTR lpszWildCard)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_DIR, attr, (LPARAM)lpszWildCard);
	}

	// selection helpers
	int FindString(int nStartAfter, LPCTSTR lpszString) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_FINDSTRING, nStartAfter, (LPARAM)lpszString);
	}
	int SelectString(int nStartAfter, LPCTSTR lpszString)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, CB_SELECTSTRING, nStartAfter, (LPARAM)lpszString);
	}

	// Clipboard operations
	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);
	}
};

typedef CComboBoxT<CWindow> CComboBox;

/////////////////////////////////////////////////////////////////////////////
// CEdit - client side for a Windows EDIT control

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

	CEditT< 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("EDIT");
	}

	BOOL CanUndo() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_CANUNDO, 0, 0L);
	}
	int GetLineCount() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (int)::SendMessage(m_hWnd, EM_GETLINECOUNT, 0, 0L);
	}
	BOOL GetModify() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (BOOL)::SendMessage(m_hWnd, EM_GETMODIFY, 0, 0L);
	}
	void SetModify(BOOL bModified = TRUE)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETMODIFY, bModified, 0L);
	}
	void GetRect(LPRECT lpRect) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_GETRECT, 0, (LPARAM)lpRect);
	}
	DWORD GetSel() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return ::SendMessage(m_hWnd, EM_GETSEL, 0, 0L);
	}
	void GetSel(int& nStartChar, int& nEndChar) const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_GETSEL, (WPARAM)&nStartChar, (LPARAM)&nEndChar);
	}
	HLOCAL GetHandle() const
	{
		ATLASSERT(::IsWindow(m_hWnd));
		return (HLOCAL)::SendMessage(m_hWnd, EM_GETHANDLE, 0, 0L);
	}
	void SetHandle(HLOCAL hBuffer)
	{
		ATLASSERT(::IsWindow(m_hWnd));
		::SendMessage(m_hWnd, EM_SETHANDLE, (WPARAM)hBuffer, 0L);
	}
	void SetMargins(UINT nLeft, UINT nRight)