bookmark.cpp

ebook实现上下翻页

// Bookmark.cpp : implementation file
//

#include "stdafx.h"
#include "ebook.h"
#include "Bookmark.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
static CString liststr1;
DWORD ebookmark;
int kk;
/////////////////////////////////////////////////////////////////////////////
// Bookmark dialog


Bookmark::Bookmark(CWnd* pParent /*=NULL*/)
	: CDialog(Bookmark::IDD, pParent)
{
	//{{AFX_DATA_INIT(Bookmark)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void Bookmark::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Bookmark)
	DDX_Control(pDX, IDC_LIST1, m_listbox);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Bookmark, CDialog)
	//{{AFX_MSG_MAP(Bookmark)
	ON_WM_PAINT()
	ON_WM_LBUTTONUP()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Bookmark message handlers

BOOL Bookmark::OnInitDialog() 
{
	CDialog::OnInitDialog();
	SetWindowPos(NULL,0,0,450,320,SWP_SHOWWINDOW );
	ebookmark = RegisterWindowMessage(liststr1);//注册一个消息
	CString flstr;
	flstr.Format(L"%d",kk);
    file=fopen("NandFlash\\11.txt","a+");//打开文件
	DWORD aa;
	fseek(file,0,SEEK_END );//把文件指针移到最后;
	aa=ftell(file);//统计文件字节数
	fseek(file,0,SEEK_SET );//把文件指针移到最前
	int count=aa/20;//计算存储书签个数
	for (int jj=0;jj<count;jj++)//读取文件数据是数据在listbox插入
	{
        char*p1;
		p1=new char[20];
		memset(p1,0,20);
		fread(p1,sizeof(char),20,file);
		CString liststr;
		liststr=p1;
		m_listbox.AddString(liststr);
		
	}
	fclose(file);
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}
//********画背景*******//
void Bookmark::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	CDC memory;
	mycbitmap=new CBitmap;
	mycbitmap->LoadBitmap(IDB_BITMAP2);
	memory.CreateCompatibleDC(&dc);
	memory.SelectObject(mycbitmap);
	RECT myrect;
	GetWindowRect(&myrect);
	dc.BitBlt(0,0,myrect.right-myrect.left,myrect.bottom-myrect.top,&memory,0,0,SRCCOPY);
	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages
}
//************设置按钮区域*********//
BOOL Bookmark::InRect(int left, int top, int right, int bottom, int px, int py)
{
	if((left < 0) || (left > 800))
		return FALSE;
	if((right < 0) || (right > 800))
		return FALSE;
	if((top < 0) || (top > 480))
		return FALSE;
	if((bottom < 0) || (bottom > 480))
		return FALSE;
	if((px < 0) || (px > 800))
		return FALSE;
	if((py < 0) || (py > 480))
		return FALSE;
	
	if((px>=left)&&(px<=right) && (py>=top)&&(py<=bottom))
		return TRUE;
	return FALSE;

}

void Bookmark::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if (InRect(375,42,403,66,point.x,point.y))
	{
		OnButton1();
	}
	if (InRect(376,103,407,131,point.x,point.y))
	{
		OnButton2();
	}
	if (InRect(376,186,403,212,point.x,point.y))
	{
		OnButton3();
	}
	if (InRect(375,262,406,288,point.x,point.y))
	{
		OnButton4();
	}
	
	CDialog::OnLButtonUp(nFlags, point);
}


void Bookmark::GetPage(int a)
{
		 kk=a;
}
//******添加书签*********//
void Bookmark::OnButton1() 
{
	// TODO: Add your control notification handler code here
	CString flstr;
	flstr.Format(L"%d",kk);
    file=fopen("NandFlash\\11.txt","a+");//创建文件，把书签信息保存
    char*pp;
	pp=new char[20];
	_itoa(kk,pp,10);//把整形转换为字符型
	fwrite(pp,sizeof(char),20,file);//写文件
	fseek(file,-20,SEEK_END );//把指针移到最后向上偏移20个字节
    char*p1;
    p1=new char[20];
	memset(p1,0,20);
	fread(p1,sizeof(char),20,file);//对添加的数据进行阅读
	CString liststr;
	liststr=p1;
    m_listbox.AddString(liststr);//把字符串添加到listbox
	fclose(file);
	
	
}
//******删除书签*********//
void Bookmark::OnButton2() 
{
	// TODO: Add your control notification handler code here
	int b=m_listbox.GetCurSel();
	m_listbox.DeleteString(b);//在listbox列表上删除
	int c=b+1;
	file=fopen("NandFlash\\11.txt","a+");//打开文件
	DWORD aa;
	fseek(file,0,SEEK_END );
	aa=ftell(file);
	int count1=aa/20;
	if (c==1)
	{
		char*p4;
		p4=new char[(count1-1)*20+1];
		memset(p4,0,(count1-1)*20+1);
		fseek(file,20,SEEK_SET );
		fread(p4,sizeof(char),(count1-1)*20,file);//把需要的文件内容保存在p4
		fclose(file);
		file=fopen("NandFlash\\11.txt","w");//对文件清空，创建新的空文件覆盖
		fclose(file);
		file=fopen("NandFlash\\11.txt","a+");
		fwrite(p4,sizeof(char),(count1-1)*20,file);//对文件进行重写
		fclose(file);
		
	}
	if (c>1&&c<count1)
	{
		char*p5;
		p5=new char[(c-1)*20+1];
		memset(p5,0,(c-1)*20+1);
		char*p6;
		p6=new char[(count1-c)*20+1];
		memset(p6,0,(count1-c)*20+1);
		fseek(file,0,SEEK_SET );
		fread(p5,sizeof(char),(c-1)*20,file);//把需要的文件内容保存在p5
		fseek(file,20*c,SEEK_SET );
		fread(p6,sizeof(char),(count1-c)*20,file);//把需要的文件内容保存在p6
		fclose(file);
		file=fopen("NandFlash\\11.txt","w");//对文件清空，创建新的空文件覆盖
		fclose(file);
		file=fopen("NandFlash\\11.txt","a+");
		fwrite(p5,sizeof(char),(c-1)*20,file);//对文件进行重写
		fwrite(p6,sizeof(char),(count1-c)*20,file);//在后面对文件进行重写
		fclose(file);
	}
	if (c==count1)
	{
		char*p8;
		p8=new char[(c-1)*20+1];
		memset(p8,0,(c-1)*20+1);
		fseek(file,0,SEEK_SET );
		fread(p8,sizeof(char),(c-1)*20,file);
		fclose(file);
		file=fopen("NandFlash\\11.txt","w");
		fclose(file);
		file=fopen("NandFlash\\11.txt","a+");
		fwrite(p8,sizeof(char),(c-1)*20,file);
		fclose(file);
	}
  
	
}
//********书签跳转***********//
void Bookmark::OnButton3() 
{
	// TODO: Add your control notification handler code here
	HWND hWnd; 
    int b=m_listbox.GetCurSel() ;
	int n = m_listbox.GetTextLen( b );
	m_listbox.GetText(b,liststr1);
	char *p2;
	p2=new char[n+1];
	wcstombs(p2,liststr1,n);
	hWnd=::FindWindow(0,L"电子书");
    ::PostMessage(hWnd,ebookmark,0,(LPARAM)p2);
    DestroyWindow();
	
}
//*******关闭窗口*******//
void Bookmark::OnButton4() 
{
	// TODO: Add your control notification handler code here
	DestroyWindow();
}