notepaddlg.cpp

在EVC下的记事本程序

// NotepadDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Notepad.h"
#include "NotepadDlg.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CNotepadDlg dialog

#define Width			480
#define Height			272
#define TEXT_LEFT		160
#define TEXT_TOP		63
#define TEXT_RIGHT		405
#define TEXT_BOTTOM		210


_MYNOTEBTN g_notebtn[] = {
	{UP, IDB_EXITUNSEL,		IDB_EXITSEL,		IDB_EXITUNSEL,		{384,0,480,31}},
//	{UP, IDB_NOTEPADTITLE,	IDB_NOTEPADTITLE,	IDB_NOTEPADTITLE,	{20,50,120,220}},
	{UP, IDB_TITLEUP,	IDB_TITLEUP,	IDB_TITLEUP,	{23,40,117,87}},
	{UP, IDB_TITLEBAR,	IDB_TITLEBAR,	IDB_TITLEBAR,	{23,77,117,114}},
	{UP, IDB_TITLEBAR,	IDB_TITLEBAR,	IDB_TITLEBAR,	{23,114,117,151}},
	{UP, IDB_TITLEBAR,	IDB_TITLEBAR,	IDB_TITLEBAR,	{23,151,117,188}},
	{UP, IDB_TITLEDOWN,	IDB_TITLEDOWN,	IDB_TITLEDOWN,	{23,188,117,225}},
	{UP, IDB_NOTEPADTEXT,	IDB_NOTEPADTEXT,	IDB_NOTEPADTEXT,	{143,50,413,220}},
	{DISABLE, IDB_UPPAGEUNSEL,	IDB_UPPAGESEL,	IDB_UPPAGEDISABLE,	{414,50,460,96}},
	{DISABLE, IDB_DOWNPAGEUNSEL, IDB_DOWNPAGESEL,IDB_DOWNPAGEDISABLE, {414,174,460,220}},
	{UP, IDB_NOTEBTNUNSEL, IDB_NOTEBTNSEL, IDB_NOTEBTNUNSEL,	{50,230,118,264}},
	{UP, IDB_NOTEBTNUNSEL, IDB_NOTEBTNSEL, IDB_NOTEBTNUNSEL,	{150,230,218,264}},
	{UP, IDB_NOTEBTNUNSEL, IDB_NOTEBTNSEL, IDB_NOTEBTNUNSEL,	{250,230,318,264}},
	{UP, IDB_NOTEBTNUNSEL, IDB_NOTEBTNSEL, IDB_NOTEBTNUNSEL,	{350,230,418,264}},
};

CNotepadDlg::CNotepadDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CNotepadDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CNotepadDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_Firstflag = true;
	pInputDlg = NULL;

	g_UpPageflag = false;
	g_DownPageflag = false;
	g_Row = 1;
	g_col = 1;
	g_DownRowflag = 0;
	g_Notetextlen = 0;
	g_templen = 0;
	ptext = 0;
	pArray = NULL;

	g_TitleCount = 0;
	g_downtitleflag = 0;
	memset(NoteFileName, 0, sizeof(NoteFileName));
	memset(m_Titleone, 0, sizeof(m_Titleone));
	memset(m_Titletwo, 0, sizeof(m_Titletwo));
	memset(m_Titlethree, 0, sizeof(m_Titlethree));

}

void CNotepadDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CNotepadDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CNotepadDlg, CDialog)
	//{{AFX_MSG_MAP(CNotepadDlg)
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	ON_WM_LBUTTONUP()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNotepadDlg message handlers

BOOL CNotepadDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	SetCursorPos(500,500);
	InitResource();
	m_Text = new TCHAR[5000];
	memset(m_Text, 0, 5000);
	pArray = new int;
	pArray[0] = g_templen;
	if (m_Firstflag)
	{
		for (int i = 0; i < NOTEPAD_END; i ++)	
			g_notebtn[i].status = UP;
		
		g_notebtn[NOTE_UPPAGE].status = DISABLE;
		g_notebtn[NOTE_DOWNPAGE].status = DISABLE;
		m_Firstflag = false;
	}

	HKEY hkey;
	DWORD dwType,dwSize;
	DWORD dwState1 = 0;
	if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER, _T("ControlPanel\\NotePad"),0,0,&hkey))
	{
		dwSize = sizeof(dwSize);
		RegQueryValueEx(hkey, _T("TitleCount"), 0, &dwType, (LPBYTE)&dwState1, &dwSize);
		RegCloseKey(hkey);
	}
	if (dwState1 > 0)
		g_TitleCount = dwState1;
	if (g_TitleCount > 0)
	{
		FILE * pFile = _wfopen(_T("\\ResidentFlash\\FileName.txt"),_T("rb"));
		if (pFile == NULL)
		{
			MessageBox(_T("Fail"), _T("Open file Fail"));
			return FALSE;
		}	
		else 
		{	
			TCHAR TitleName[50] = {0};
			int len = fread(TitleName, 1, 3*16, pFile);
			TitleName[len] = 0;
			CString str = TitleName;
			int length = str.GetLength();
			if (g_TitleCount == 1)
				wcscpy(m_Titleone, str.Left(6));
			else if (g_TitleCount == 2)
			{	
				wcscpy(m_Titleone, str.Left(6));
				str = str.Right(8);
				wcscpy(m_Titletwo, str.Left(6));
			}	
			else
			{
				wcscpy(m_Titleone, str.Left(6));
				str = str.Right(16);
				wcscpy(m_Titletwo, str.Left(6));
				str = str.Right(8);
				wcscpy(m_Titlethree, str.Left(6));
			}			
			fclose(pFile);
		}
	}

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CNotepadDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages
}

void CNotepadDlg::InitResource()
{
	bitmapback.LoadBitmap(IDB_BMPBACK);
	ExitbmpSel.LoadBitmap(IDB_EXITSEL);
	ExitbmpUnsel.LoadBitmap(IDB_EXITUNSEL);
	NoteTextbmp.LoadBitmap(IDB_NOTEPADTEXT);
	DownpagebmpSel.LoadBitmap(IDB_DOWNPAGESEL);
	DownpagebmpUnsel.LoadBitmap(IDB_DOWNPAGEUNSEL);
	DownpagebmpDis.LoadBitmap(IDB_DOWNPAGEDISABLE);
	UppagebmpSel.LoadBitmap(IDB_UPPAGESEL);
	UppagebmpUnsel.LoadBitmap(IDB_UPPAGEUNSEL);
	UppagebmpDis.LoadBitmap(IDB_UPPAGEDISABLE);
	TitleDownbmp.LoadBitmap(IDB_TITLEDOWN);
	TitleUpbmp.LoadBitmap(IDB_TITLEUP);
	TitleBarbmp.LoadBitmap(IDB_TITLEBAR);
	NoteBtnSel.LoadBitmap(IDB_NOTEBTNSEL);
	NoteBtnUnsel.LoadBitmap(IDB_NOTEBTNUNSEL);
}

BOOL CNotepadDlg::OnEraseBkgnd(CDC * pDC)
{

	if (9 < g_Row)
	{	
		g_DownPageflag = true;
		g_notebtn[NOTE_DOWNPAGE].status = DOWN;
	}
	CBitmap membitmap;
	membitmap.CreateCompatibleBitmap(pDC, Width, Height);
	
	CDC memDC, tempDC;
	tempDC.CreateCompatibleDC(pDC);
	memDC.CreateCompatibleDC(pDC);
	
	CBitmap * tOldbitmap = tempDC.SelectObject(&bitmapback);
	CBitmap * pOldbitmap = memDC.SelectObject(&membitmap);

	memDC.BitBlt(0, 0, Width, Height, &tempDC, 0, 0, SRCCOPY);
	tempDC.SelectObject(tOldbitmap);	
	tempDC.DeleteDC();
	
	CBitmap * btn_bmp = NULL;
	for (int i = 0; i < NOTEPAD_END; i++)
	{
		int top,left,bottom,right;
		if (i == NOTE_EXIT)
		{
			right = 96;
			bottom = 31;
			if (UP == g_notebtn[i].status)
				btn_bmp = &ExitbmpUnsel;
			else if (DOWN == g_notebtn[i].status)
				btn_bmp = &ExitbmpSel;
			else
				btn_bmp = &ExitbmpUnsel;	
		}
		else if (i == NOTE_UPPAGE || i == NOTE_DOWNPAGE)
		{
			right = 46;
			bottom = 46;
			if (i == NOTE_UPPAGE)
				if (UP == g_notebtn[i].status)
					btn_bmp = &UppagebmpUnsel;
				else if (DOWN == g_notebtn[i].status)
					btn_bmp = &UppagebmpSel;
				else
					btn_bmp = &UppagebmpDis;
			else
				if (UP == g_notebtn[i].status)
					btn_bmp = &DownpagebmpUnsel;
				else if (DOWN == g_notebtn[i].status)
					btn_bmp = &DownpagebmpSel;
				else
					btn_bmp = &DownpagebmpDis;
		}
		else if (i == NOTE_TEXT)
		{
			right = 270;
			bottom = 170;
			btn_bmp = &NoteTextbmp;

		}
		else if (i >= NOTE_NEW && i <= NOTE_DEL)
		{
			right = 68;
			bottom = 34;
			if (UP == g_notebtn[i].status)
				btn_bmp = &NoteBtnUnsel;
			else if (DOWN == g_notebtn[i].status)
				btn_bmp = &NoteBtnSel;
			else
				btn_bmp = &NoteBtnUnsel;
		}
		else
		{
			right = 94;
			bottom = 37;
			if (i == NOTE_TITLEUP)
			{	
				if (UP == g_notebtn[i].status)
					btn_bmp = &TitleUpbmp;
				else if (DOWN == g_notebtn[i].status)
					btn_bmp = &TitleUpbmp;
				else
					btn_bmp = &TitleUpbmp;
			}
			else if (i == NOTE_TITLEDOWN)
			{
				if (UP == g_notebtn[i].status)
					btn_bmp = &TitleDownbmp;
				else if (DOWN == g_notebtn[i].status)
					btn_bmp = &TitleDownbmp;
				else
					btn_bmp = &TitleDownbmp;
			}
			else
			{
				if (UP == g_notebtn[i].status)
					btn_bmp = &TitleBarbmp;
				else if (DOWN == g_notebtn[i].status)
					btn_bmp = &TitleBarbmp;
				else
					btn_bmp = &TitleBarbmp;
			}
		}
		top = g_notebtn[i].rectbtn.top;
		left = g_notebtn[i].rectbtn.left;
		
		CDC btn_memDC;
		btn_memDC.CreateCompatibleDC(&memDC);
		CBitmap * pbtn_Oldbmp = btn_memDC.SelectObject(btn_bmp);
		if (i == NOTE_UPPAGE || i == NOTE_DOWNPAGE)
			TransparentImage(memDC.GetSafeHdc(), left, top, right, bottom,
			btn_memDC.GetSafeHdc(), 0, 0, right, bottom, btn_memDC.GetPixel(1,1));
		else	
			memDC.BitBlt(left, top, right, bottom, &btn_memDC, 0, 0, SRCCOPY);
		btn_memDC.SelectObject(pbtn_Oldbmp);
		btn_memDC.DeleteDC();		

		CPoint m_ptOrigin = CPoint(TEXT_LEFT,TEXT_TOP);
		if (i == NOTE_TEXT)
		{
			if (0 < g_Notetextlen)	//GetTextExtent
			{
				memDC.SetTextColor(RGB(255,255,255));

				TCHAR m_displaytext[5000] = {0};
				if (g_Row > 9)
					wcscpy(m_displaytext, &m_Text[ptext]);
				else
					wcscpy(m_displaytext, m_Text);
				DrawTextToBack(&memDC, 16, 6, TEXT_LEFT, TEXT_TOP, TEXT_RIGHT, TEXT_BOTTOM, RGB(255,255,255),
					DT_LEFT|DT_WORDBREAK|DT_EDITCONTROL, m_displaytext, _T("Arial"));
				if (0 == g_Notetextlen%20)
					m_ptOrigin.x = TEXT_LEFT;
				else
					m_ptOrigin.x = TEXT_LEFT + (g_Notetextlen - (g_Row*20-20)) * 14;
				if (g_Row > 9)
					m_ptOrigin.y = TEXT_TOP + 8 * 17;
				else
					m_ptOrigin.y = TEXT_TOP + (g_Row - 1) * 17;
// 				CRect rect = CRect(TEXT_LEFT, TEXT_TOP, TEXT_RIGHT, TEXT_BOTTOM); 
// 				int len = wcslen(m_Text);
// 				m_Text[len] = 0;
// 				int i = memDC.DrawText(m_Text,-1,rect,DT_CALCRECT);
				
				SetCaretPos(m_ptOrigin);	
				ShowCaret();
			}
			else
			{
				memDC.SetTextColor(RGB(255,255,255));
				TEXTMETRIC tm;
				memDC.GetOutputTextMetrics(&tm);
				tm.tmHeight = 16;
				CreateSolidCaret(2, 16);
				SetCaretPos(m_ptOrigin);
				ShowCaret();
			}	

		}

		if ((i >= NOTE_NEW && i <= NOTE_DEL) || (i >= NOTE_TITLEONE && i <= NOTE_TITLETHREE))
			DrawNotepadBtnText(i, &memDC);

	}
	
	pDC->BitBlt(0, 0, Width, Height, &memDC, 0, 0, SRCCOPY);
	memDC.SelectObject(pOldbitmap);
	membitmap.DeleteObject();
	memDC.DeleteDC();
	return TRUE;
}

void CNotepadDlg::DrawNotepadBtnText(int nID, CDC * pDC)
{
	TCHAR text[7] = {0};
	RECT rect = g_notebtn[nID].rectbtn;
	rect.top += 8; 
	switch(nID)
	{
	case NOTE_NEW:
		wcscpy(text, _T("新建"));
		break;
	case NOTE_OPEN:
		wcscpy(text, _T("打开"));
		break;
	case NOTE_SAVE:
		wcscpy(text, _T("保存"));
	    break;
	case NOTE_DEL:
		wcscpy(text, _T("删除"));
	    break;
	case NOTE_TITLEONE:
		if (0 < wcslen(m_Titleone))
			wcscpy(text, m_Titleone);
		else
			wcscpy(text, _T(""));
		break;
	case NOTE_TITLETWO:
		if (0 < wcslen(m_Titletwo))
			wcscpy(text, m_Titletwo);
		else
			wcscpy(text, _T(""));
		break;
	case NOTE_TITLETHREE:
		if (0 < wcslen(m_Titlethree))
			wcscpy(text, m_Titlethree);
		else
			wcscpy(text, _T(""));	
		break;
	default:
	    break;
	}
	DrawTextToBackforTZ(pDC, 16, 6, rect.left, rect.top, rect.right, rect.bottom,
		RGB(0,0,0), DT_CENTER|DT_TOP|DT_SINGLELINE, text, _T("Arial"));
}

int CNotepadDlg::GetBtnIDFormPoint(POINT pt)
{
	for (int i = 0; i < NOTEPAD_END; i ++)
	{
		if (PtInRect(&g_notebtn[i].rectbtn, pt))
			break;
	}
	return i;
}

void CNotepadDlg::OnBtnTitleOne()
{
	memset(NoteFileName, 0, sizeof(NoteFileName));
	wcscpy(NoteFileName, m_Titleone);
	OnNotepadBtnOpen();
}

void CNotepadDlg::OnBtnTitleTwo()
{
	memset(NoteFileName, 0, sizeof(NoteFileName));
	wcscpy(NoteFileName, m_Titletwo);
	OnNotepadBtnOpen();
}

void CNotepadDlg::OnBtnTitleThree()
{
	memset(NoteFileName, 0, sizeof(NoteFileName));
	wcscpy(NoteFileName, m_Titlethree);
	OnNotepadBtnOpen();
}

void CNotepadDlg::OnBtnTitleUp()
{
	if (g_TitleCount > 3 && g_downtitleflag > 0)		
	{
		g_downtitleflag --;
		FILE * pFile = _wfopen(_T("\\ResidentFlash\\FileName.txt"),_T("rb"));
		if (pFile == NULL)
		{
			MessageBox(_T("Fail"), _T("Open file Fail"));
			return ;
		}	
		else 
		{	
			TCHAR TitleName[5000] = {0};
			int len = fread(TitleName, 1, 5000, pFile);
			TitleName[len] = 0;
			CString str = TitleName;
			int length = str.GetLength();			
		
			str = str.Left(24 + g_downtitleflag*8);
			if (g_TitleCount > 4)
				str = str.Right(24);
			wcscpy(m_Titleone, str.Left(6));
			m_Titleone[6] = 0;
			str = str.Right(16);
			wcscpy(m_Titletwo, str.Left(6));
			m_Titletwo[6] = 0;
			str = str.Right(8);
			wcscpy(m_Titlethree, str.Left(6));
			m_Titlethree[6] = 0;
			fclose(pFile);
			InvalidateRect(&g_notebtn[NOTE_TITLEONE].rectbtn, TRUE);
			InvalidateRect(&g_notebtn[NOTE_TITLETWO].rectbtn, TRUE);
			InvalidateRect(&g_notebtn[NOTE_TITLETHREE].rectbtn, TRUE);
		}
	}
}

void CNotepadDlg::OnBtnTitleDown()
{
	if (g_TitleCount >= 4 && (g_TitleCount - 3) > g_downtitleflag)	
	{
		g_downtitleflag ++;		//下移标示
		FILE * pFile = _wfopen(_T("\\ResidentFlash\\FileName.txt"),_T("rb"));
		if (pFile == NULL)
		{
			MessageBox(_T("Fail"), _T("Open file Fail"));
			return ;
		}	
		else 
		{	
			TCHAR TitleName[5000] = {0};
			int len = fread(TitleName, 1, 5000, pFile);
			TitleName[len] = 0;
			CString str = TitleName;
			int length = str.GetLength();

			str = str.Right(length - g_downtitleflag*8);	//从g_downtitleflag+1行开始
			if (g_TitleCount > 4)
				str = str.Left(24);							//只用3组
			wcscpy(m_Titleone, str.Left(6));
			m_Titleone[6] = 0;
			str = str.Right(16);
			wcscpy(m_Titletwo, str.Left(6));
			m_Titletwo[6] = 0;
			str = str.Right(8);
			wcscpy(m_Titlethree, str.Left(6));
			m_Titlethree[6] = 0;
			
			fclose(pFile);
		}
	
		InvalidateRect(&g_notebtn[NOTE_TITLEONE].rectbtn, TRUE);
		InvalidateRect(&g_notebtn[NOTE_TITLETWO].rectbtn, TRUE);
		InvalidateRect(&g_notebtn[NOTE_TITLETHREE].rectbtn, TRUE);
	}
}

void CNotepadDlg::OnBtnUpPage()
{
	if (g_DownRowflag > 0)