多语言软件实现

// MultiLanguage.h : main header file for the MULTILANGUAGE application
//


#if !defined(AFX_MULTILANGUAGE_H__1FA8EA4E_14F0_43D6_905B_882C8922AD22__INCLUDED_)
#define AFX_MULTILANGUAGE_H__1FA8EA4E_14F0_43D6_905B_882C8922AD22__INCLUDED_


#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


#ifndef __AFXWIN_H__
#error include 'stdafx.h' before including this file for PCH
#endif


#include "resource.h" // main symbols


/////////////////////////////////////////////////////////////////////////////
// CMultiLanguageApp:
// See MultiLanguage.cpp for the implementation of this class
//


class CMultiLanguageApp : public CWinApp
{
public:
bool MakeResource(int nID,CString szPathName);
void LoadLanguage(CString szLangSel = "");
CMultiLanguageApp();


// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CMultiLanguageApp)
public:
virtual BOOL InitInstance();
//}}AFX_VIRTUAL


// Implementation


//{{AFX_MSG(CMultiLanguageApp)
// NOTE - the ClassWizard will add and remove member functions here.
//    DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};




/////////////////////////////////////////////////////////////////////////////


//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_MULTILANGUAGE_H__1FA8EA4E_14F0_43D6_905B_882C8922AD22__INCLUDED_)

// MultiLanguage.cpp : Defines the class behaviors for the application.
//


#include "stdafx.h"
#include "MultiLanguage.h"
#include "MultiLanguageDlg.h"


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


/////////////////////////////////////////////////////////////////////////////
// CMultiLanguageApp


BEGIN_MESSAGE_MAP(CMultiLanguageApp, CWinApp)
//{{AFX_MSG_MAP(CMultiLanguageApp)
// NOTE - the ClassWizard will add and remove mapping macros here.
//    DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG
ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CMultiLanguageApp construction


CMultiLanguageApp::CMultiLanguageApp()
{
// TODO: add construction code here,
// Place all significant initialization in InitInstance
}


/////////////////////////////////////////////////////////////////////////////
// The one and only CMultiLanguageApp object


CMultiLanguageApp theApp;




CString g_szLanguagePath; //保存语言文件的路径
CString g_szSettingPath; //保存设置的文件路径
CString g_szCurPath;//保存当前路径


BOOL CMultiLanguageApp::InitInstance()
{
//获取当前路径
CString szCurPath("");
GetModuleFileName(NULL,szCurPath.GetBuffer(MAX_PATH),MAX_PATH);
szCurPath.ReleaseBuffer();
g_szCurPath = szCurPath.Left(szCurPath.ReverseFind('\\') + 1);


//设置文件在当前路径下 
g_szSettingPath = g_szCurPath + "setting.ini";
CFileFind find;
if(!find.FindFile(g_szSettingPath)) MakeResource(IDR_SETTING,g_szSettingPath);
find.Close();


//装入语言
LoadLanguage();


CMultiLanguageDlg dlg;
m_pMainWnd = &dlg;
dlg.DoModal();


return FALSE;
}




/*********************************************************************
 * 函数名称:g_LoadString
 * 说明: 根据标识 szID到选定的语言文件中加载字符串
 * 作者: Geng 
*********************************************************************/
CString g_LoadString(CString szID)
{
CString szValue;
DWORD dwSize = 1000;
GetPrivateProfileString("String",szID,"Not found",
szValue.GetBuffer(dwSize),dwSize,g_szLanguagePath);
szValue.ReleaseBuffer();


szValue.Replace("\\n","\n");//替换回换行符号


return szValue;
}


/*********************************************************************
* 函数名称:g_SetDialogStrings(CDialog *pDlg,UINT uDlgID)
* 说明: 当对话框运行时获取其所有可得到的字符串，并保存到语言文件中
每个控件用对话框ID和控件ID唯一标识


  * 入口参数:
  * CDialog *pDlg -- 对话框的指针
  *  UINT uDlgID -- 该对话框的ID
  * 作者: Geng 
*********************************************************************/
void g_SetDialogStrings(CDialog *pDlg,UINT uDlgID)
{
CString szSection = "String";
CString szKey,szText;
bool bSetText = 1;//1:从文件读，设置对话框
//0:从对话框读，保存到文件


if(bSetText) //1:从文件读，设置对话框
{
CString szDefault = "";
DWORD dwSize = 1000;
char* pData = (char*)malloc(dwSize);


//读对话框标题
szKey.Format("IDD%d_Title",uDlgID);
if(GetPrivateProfileString(szSection,szKey,szDefault,
pData,dwSize,g_szLanguagePath) != 0)
{
pDlg->SetWindowText(pData);
}


//写入各个子控件的标题文字
CWnd* pWnd = pDlg->GetWindow(GW_CHILD);
while(pWnd != NULL)
{
szKey.Format("IDD%d_%d",uDlgID,pWnd->GetDlgCtrlID());
if(GetPrivateProfileString(szSection,szKey,szDefault,
pData,dwSize,g_szLanguagePath) != 0)
{
pWnd->SetWindowText(pData);
}


pWnd = pWnd->GetWindow(GW_HWNDNEXT);
}


//释放内存
free(pData);
}
else //0:从对话框读，保存到文件
{
//写入对话框标题
szKey.Format("IDD%d_Title",uDlgID);
pDlg->GetWindowText(szText);
WritePrivateProfileString(szSection,szKey,szText,g_szLanguagePath);


//写入各个子控件的标题文字
CWnd* pWnd = pDlg->GetWindow(GW_CHILD);
while(pWnd != NULL)
{
szKey.Format("IDD%d_%d",uDlgID,pWnd->GetDlgCtrlID());
pWnd->GetWindowText(szText);
WritePrivateProfileString(szSection,szKey,szText,g_szLanguagePath);


pWnd = pWnd->GetWindow(GW_HWNDNEXT);
}
}
}


/*********************************************************************
 * 函数名称:CMultiLanguageApp::LoadLanguage
 * 说明: 装入或者设置语言 如果 szLangSel为空则装入语言，否则设置语言
 * 作者: Geng 
*********************************************************************/
void CMultiLanguageApp::LoadLanguage(CString szLangSel /*= ""*/)
{
//查找语言
CString szSection = "Setting";
CString szKey = "Language",szLang;
DWORD dwSize = 1000;

if(!szLangSel.IsEmpty())//保存语言
{
szLang = szLangSel;
}
else //读取语言设置
{
//获取设置的语言
GetPrivateProfileString(szSection,szKey,"English",szLang.GetBuffer(dwSize),dwSize,g_szSettingPath);
szLang.ReleaseBuffer();
}

//查找是否存在
CFileFind find;
bool bRet = find.FindFile(g_szCurPath + "Language\\*.ini");
bool bFound = false;
CString szEng = "";
while(bRet)
{
bRet = find.FindNextFile();
if(find.IsDots() || find.IsDirectory()) continue;


CString szValue;
CString szFilePath = find.GetFilePath();
if(GetPrivateProfileString(szSection,szKey,"",szValue.GetBuffer(dwSize),
dwSize,szFilePath) != 0)
{
szValue.ReleaseBuffer();
if(szValue == szLang)
{
g_szLanguagePath = szFilePath;
bFound = true;
break;
}
}
}
find.Close();


//未找到设定的语言
if(!bFound)
{
int nLangID[2] = {IDR_LANG_ENG,IDR_LANG_CH};
CString szFileName[2] = {"\\Multi_eng.ini","\\Multi_ch.ini"};
CString szPath = g_szCurPath + "Language";
CreateDirectory(szPath,NULL);
for(int i = 0;i < 2;i++)
{
MakeResource(nLangID[i],szPath + szFileName[i]);
}
//默认使用英文
g_szLanguagePath = szPath + szFileName[0];
szLang = "English";
}


//保存语言设置
WritePrivateProfileString(szSection,szKey,szLang,g_szSettingPath);
}


/*********************************************************************
 * 函数名称:CMultiLanguageApp::MakeResource
 * 说明: 如果未找到所需的资源文件(如设置文件，语言文件等)，从程序中产生
 * 作者: Geng 
*********************************************************************/
bool CMultiLanguageApp::MakeResource(int nID, CString szPathName)
{
HRSRC hSrc = FindResource(NULL,MAKEINTRESOURCE(nID),_T("OWNER_DATA"));
if(hSrc == NULL)return false;


HGLOBAL hGlobal = LoadResource(NULL,hSrc);
if(hGlobal == NULL)return false;

LPVOID lp = LockResource(hGlobal);
DWORD dwSize = SizeofResource(NULL,hSrc);


CFile file;
if(file.Open(szPathName,CFile::modeCreate|CFile::modeWrite))
{
file.Write(lp,dwSize);
file.Close();
}
FreeResource(hGlobal);


return true;
}

// MultiLanguageDlg.h : header file
//


#if !defined(AFX_MULTILANGUAGEDLG_H__1FE6C280_03FD_44A5_9848_543A5CE375F8__INCLUDED_)
#define AFX_MULTILANGUAGEDLG_H__1FE6C280_03FD_44A5_9848_543A5CE375F8__INCLUDED_


#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


/////////////////////////////////////////////////////////////////////////////
// CMultiLanguageDlg dialog


class CMultiLanguageDlg : public CDialog
{


CMenu m_menuMain;
// Construction
public:
void LoadAllLanguage();
void SetMenuStrings();
CMultiLanguageDlg(CWnd* pParent = NULL);// standard constructor


// Dialog Data
//{{AFX_DATA(CMultiLanguageDlg)
enum { IDD = IDD_MULTILANGUAGE_DIALOG };
CComboBox m_cmbLang;
//}}AFX_DATA


// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CMultiLanguageDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX);// DDX/DDV support
//}}AFX_VIRTUAL


// Implementation
protected:
HICON m_hIcon;


// Generated message map functions
//{{AFX_MSG(CMultiLanguageDlg)
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
afx_msg void OnSelChangeLang();
afx_msg void OnHelpAbout();
afx_msg void OnAbout();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};


//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.


#endif // !defined(AFX_MULTILANGUAGEDLG_H__1FE6C280_03FD_44A5_9848_543A5CE375F8__INCLUDED_)

// MultiLanguageDlg.cpp : implementation file
//


#include "stdafx.h"
#include "MultiLanguage.h"
#include "MultiLanguageDlg.h"




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




CString g_LoadString(CString szID);
void g_SetDialogStrings(CDialog *pDlg,UINT uDlgID);


extern CString g_szCurPath;
extern CString g_szSettingPath; //保存设置的文件路径


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About


class CAboutDlg : public CDialog
{
public:
CAboutDlg();


// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA


// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
//}}AFX_VIRTUAL


// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
virtual BOOL OnInitDialog();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};


CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}


void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()




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

g_SetDialogStrings(this,IDD);

return TRUE;  // return TRUE unless you set the focus to a control
             // EXCEPTION: OCX Property Pages should return FALSE
}


/////////////////////////////////////////////////////////////////////////////
// CMultiLanguageDlg dialog


CMultiLanguageDlg::CMultiLanguageDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMultiLanguageDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMultiLanguageDlg)
// 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);
}


void CMultiLanguageDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMultiLanguageDlg)
DDX_Control(pDX, IDC_COMBO1, m_cmbLang);
//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CMultiLanguageDlg, CDialog)
//{{AFX_MSG_MAP(CMultiLanguageDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_CBN_SELCHANGE(IDC_COMBO1, OnSelChangeLang)
ON_COMMAND(ID_HELP_ABOUT, OnHelpAbout)
ON_BN_CLICKED(IDC_ABOUT, OnAbout)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CMultiLanguageDlg message handlers


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


// Add "About..." menu item to system menu.


// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);


CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}


// 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

// TODO: Add extra initialization here
//查找所有可用语言，装入下拉列表框
LoadAllLanguage();


m_menuMain.LoadMenu(IDR_MENU_MAIN);
SetMenu(&m_menuMain);


SetMenuStrings();//设置菜单上的文字


//设置对话框上控件的语言文字
g_SetDialogStrings(this,IDD);


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


void CMultiLanguageDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}


// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.


void CMultiLanguageDlg::OnPaint() 
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting


SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);


// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;


// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
GetDlgItem(IDC_STC_DEMO)->SetWindowText(g_LoadString("IDS_DEMO"));
CDialog::OnPaint();
}
}


// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMultiLanguageDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}


void CMultiLanguageDlg::SetMenuStrings()
{
int nCurPos = 0;
CMenu* subMenu = m_menuMain.GetSubMenu(nCurPos);


//文件菜单
m_menuMain.ModifyMenu(nCurPos,MF_BYPOSITION,nCurPos,g_LoadString("IDS_MENU_FILE"));
subMenu->ModifyMenu(ID_FILE_NEW,MF_BYCOMMAND,ID_FILE_NEW,g_LoadString("IDS_MENU_FILE_NEW"));
subMenu->ModifyMenu(ID_FILE_OPEN,MF_BYCOMMAND,ID_FILE_OPEN,g_LoadString("IDS_MENU_FILE_OPEN"));
subMenu->ModifyMenu(ID_FILE_CLOSE,MF_BYCOMMAND,ID_FILE_CLOSE,g_LoadString("IDS_MENU_FILE_CLOSE"));
subMenu->ModifyMenu(ID_FILE_EXIT,MF_BYCOMMAND,ID_FILE_EXIT,g_LoadString("IDS_MENU_FILE_EXIT"));


//编辑菜单
subMenu = m_menuMain.GetSubMenu(++nCurPos);
m_menuMain.ModifyMenu(nCurPos,MF_BYPOSITION,nCurPos,g_LoadString("IDS_MENU_EDIT"));
subMenu->ModifyMenu(ID_EDIT_CUT,MF_BYCOMMAND,ID_EDIT_CUT,g_LoadString("IDS_MENU_EDIT_CUT"));
subMenu->ModifyMenu(ID_EDIT_COPY,MF_BYCOMMAND,ID_EDIT_COPY,g_LoadString("IDS_MENU_EDIT_COPY"));
subMenu->ModifyMenu(ID_EDIT_PASTE,MF_BYCOMMAND,ID_EDIT_PASTE,g_LoadString("IDS_MENU_EDIT_PASTE"));


//帮助菜单
subMenu = m_menuMain.GetSubMenu(++nCurPos);
m_menuMain.ModifyMenu(nCurPos,MF_BYPOSITION,nCurPos,g_LoadString("IDS_MENU_HELP"));
subMenu->ModifyMenu(ID_HELP,MF_BYCOMMAND,ID_HELP,g_LoadString("IDS_MENU_HELP_HELP"));
subMenu->ModifyMenu(ID_HELP_ABOUT,MF_BYCOMMAND,ID_HELP_ABOUT,g_LoadString("IDS_MENU_HELP_ABOUT"));

}


void CMultiLanguageDlg::LoadAllLanguage()
{
CString szKey = "Language",szSection = "Setting";

CFileFind find;
bool ret = find.FindFile(g_szCurPath + "Language\\*.ini");
while(ret)
{
ret = find.FindNextFile();
if(find.IsDots() || find.IsDirectory()) continue;

CString szValue;
DWORD dwSize = 100;
if(GetPrivateProfileString(szSection,szKey,"",
szValue.GetBuffer(dwSize),dwSize,find.GetFilePath()) != 0)
{
m_cmbLang.AddString(szValue);
}
szValue.ReleaseBuffer();
}
find.Close();


DWORD dwSize = 1000;
CString szLang;
GetPrivateProfileString(szSection,szKey,"English",szLang.GetBuffer(dwSize),dwSize,g_szSettingPath);
szLang.ReleaseBuffer();


m_cmbLang.SelectString(-1,szLang);
}


void CMultiLanguageDlg::OnSelChangeLang() 
{
CString szValue;
m_cmbLang.GetLBText(m_cmbLang.GetCurSel(),szValue);
((CMultiLanguageApp*)AfxGetApp())->LoadLanguage(szValue);

//改变菜单语言
SetMenuStrings();
DrawMenuBar();//刷新菜单显示


//刷新对话框的语言显示
g_SetDialogStrings(this,IDD);
Invalidate(false);
}


void CMultiLanguageDlg::OnAbout() 
{
CAboutDlg dlg;
dlg.DoModal();
}


void CMultiLanguageDlg::OnHelpAbout() 
{
OnAbout();
}




langue_ch.ini

[Setting]
Language=Chinese






[String]
IDS_MENU_FILE=文件
IDS_MENU_FILE_NEW=新建(&N)
IDS_MENU_FILE_OPEN=打开(&O)
IDS_MENU_FILE_CLOSE=关闭(&C)
IDS_MENU_FILE_EXIT=退出(&E)



language_en.ini

[Setting]
Language=English






[String]
IDS_MENU_FILE=File
IDS_MENU_FILE_NEW=&New
IDS_MENU_FILE_OPEN=&Open
IDS_MENU_FILE_CLOSE=&Close
IDS_MENU_FILE_EXIT=&Exit




IDS_MENU_EDIT=Edit
IDS_MENU_EDIT_CUT=&Cut
IDS_MENU_EDIT_COPY=&Copy
IDS_MENU_EDIT_PASTE=&Paste




IDS_MENU_HELP=Help
IDS_MENU_HELP_HELP=&Help
IDS_MENU_HELP_ABOUT=&About




IDD102_Title=MultiLanguage
IDD102_2=Exit
IDD102_1000=Language:
IDD102_1006=About


IDD100_Title=About MultiLanguage
IDD100_1=OK
IDD100_1002=MultiLanguage 1.0
IDD100_1003=Copyright (C) 2003
IDD100_1004=Author：genghaizeng
IDD102_1001=English


IDS_DEMO=You can see The Funtion "OnInitDialog" that how I Set the language of the dialog by calling only one Function.\n And you can set your string by calling g_LoadString function.







IDS_MENU_EDIT=编辑
IDS_MENU_EDIT_CUT=剪切(&C)
IDS_MENU_EDIT_COPY=复制(&C)
IDS_MENU_EDIT_PASTE=粘贴(&P)




IDS_MENU_HELP=帮助
IDS_MENU_HELP_HELP=帮助(&H)
IDS_MENU_HELP_ABOUT=关于(&A)




IDD102_Title=程序多国语言动态切换解决方案
IDD102_2=退出
IDD102_1000=语言:
IDD102_1006=关于


IDD100_Title=关于 程序多国语言动态切换解决方案
IDD100_1=确定
IDD100_1002=程序多国语言动态切换解决方案 1.0 版
IDD100_1003=版权所有 (C) 2003
IDD100_1004=作者：耿海增


IDS_DEMO=动态切换对话框上的文字并不需要单独去设置每一个控件的Title。你只要在OnInitDialog中调用g_SetDialogStrings(this,IDD),一切就OK了，我会在这个函数中逐个把需要的文字装上去的。