Sweden-Number/programs/notepad/dialog.c

/*
 *  Notepad (dialog.c)
 *
 *  Copyright 1998,99 Marcel Baur <mbaur@g26.ethz.ch>
 *  Copyright 2002 Sylvain Petreolle <spetreolle@yahoo.fr>
 *  Copyright 2002 Andriy Palamarchuk
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#define UNICODE

#include <assert.h>
#include <stdio.h>
#include <windows.h>
#include <commdlg.h>

#include "main.h"
#include "license.h"
#include "dialog.h"

static const WCHAR helpfileW[] = { 'n','o','t','e','p','a','d','.','h','l','p',0 };

static INT_PTR WINAPI DIALOG_PAGESETUP_DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam);

VOID ShowLastError(void)
{
    DWORD error = GetLastError();
    if (error != NO_ERROR)
    {
        LPWSTR lpMsgBuf;
        WCHAR szTitle[MAX_STRING_LEN];

        LoadString(Globals.hInstance, STRING_ERROR, szTitle, SIZEOF(szTitle));
        FormatMessage(
            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
            NULL, error, 0,
            (LPTSTR) &lpMsgBuf, 0, NULL);
        MessageBox(NULL, lpMsgBuf, szTitle, MB_OK | MB_ICONERROR);
        LocalFree(lpMsgBuf);
    }
}

/**
 * Sets the caption of the main window according to Globals.szFileTitle:
 *    Notepad - (untitled)      if no file is open
 *    Notepad - [filename]      if a file is given
 */
static void UpdateWindowCaption(void)
{
  WCHAR szCaption[MAX_STRING_LEN];
  WCHAR szUntitled[MAX_STRING_LEN];

  LoadString(Globals.hInstance, STRING_NOTEPAD, szCaption, SIZEOF(szCaption));

  if (Globals.szFileTitle[0] != '\0') {
      static const WCHAR bracket_lW[] = { ' ','-',' ','[',0 };
      static const WCHAR bracket_rW[] = { ']',0 };
      lstrcat(szCaption, bracket_lW);
      lstrcat(szCaption, Globals.szFileTitle);
      lstrcat(szCaption, bracket_rW);
  }
  else
  {
      static const WCHAR hyphenW[] = { ' ','-',' ',0 };
      LoadString(Globals.hInstance, STRING_UNTITLED, szUntitled, SIZEOF(szUntitled));
      lstrcat(szCaption, hyphenW);
      lstrcat(szCaption, szUntitled);
  }

  SetWindowText(Globals.hMainWnd, szCaption);
}

static void AlertFileNotFound(LPCWSTR szFileName)
{
   WCHAR szMessage[MAX_STRING_LEN];
   WCHAR szResource[MAX_STRING_LEN];

   /* Load and format szMessage */
   LoadString(Globals.hInstance, STRING_NOTFOUND, szResource, SIZEOF(szResource));
   wsprintf(szMessage, szResource, szFileName);

   /* Load szCaption */
   LoadString(Globals.hInstance, STRING_ERROR,  szResource, SIZEOF(szResource));

   /* Display Modal Dialog */
   MessageBox(Globals.hMainWnd, szMessage, szResource, MB_ICONEXCLAMATION);
}

static int AlertFileNotSaved(LPCWSTR szFileName)
{
   WCHAR szMessage[MAX_STRING_LEN];
   WCHAR szResource[MAX_STRING_LEN];
   WCHAR szUntitled[MAX_STRING_LEN];

   LoadString(Globals.hInstance, STRING_UNTITLED, szUntitled, SIZEOF(szUntitled));

   /* Load and format Message */
   LoadString(Globals.hInstance, STRING_NOTSAVED, szResource, SIZEOF(szResource));
   wsprintf(szMessage, szResource, szFileName[0] ? szFileName : szUntitled);

   /* Load Caption */
   LoadString(Globals.hInstance, STRING_ERROR, szResource, SIZEOF(szResource));

   /* Display modal */
   return MessageBox(Globals.hMainWnd, szMessage, szResource, MB_ICONEXCLAMATION|MB_YESNOCANCEL);
}

/**
 * Returns:
 *   TRUE  - if file exists
 *   FALSE - if file does not exist
 */
BOOL FileExists(LPCWSTR szFilename)
{
   WIN32_FIND_DATA entry;
   HANDLE hFile;

   hFile = FindFirstFile(szFilename, &entry);
   FindClose(hFile);

   return (hFile != INVALID_HANDLE_VALUE);
}


static VOID DoSaveFile(VOID)
{
    HANDLE hFile;
    DWORD dwNumWrite;
    LPSTR pTemp;
    DWORD size;

    hFile = CreateFile(Globals.szFileName, GENERIC_WRITE, FILE_SHARE_WRITE,
                       NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    if(hFile == INVALID_HANDLE_VALUE)
    {
        ShowLastError();
        return;
    }

    size = GetWindowTextLengthA(Globals.hEdit) + 1;
    pTemp = HeapAlloc(GetProcessHeap(), 0, size);
    if (!pTemp)
    {
	CloseHandle(hFile);
        ShowLastError();
        return;
    }
    size = GetWindowTextA(Globals.hEdit, pTemp, size);

    if (!WriteFile(hFile, pTemp, size, &dwNumWrite, NULL))
        ShowLastError();
    else
        SendMessage(Globals.hEdit, EM_SETMODIFY, FALSE, 0);

    CloseHandle(hFile);
    HeapFree(GetProcessHeap(), 0, pTemp);
}

/**
 * Returns:
 *   TRUE  - User agreed to close (both save/don't save)
 *   FALSE - User cancelled close by selecting "Cancel"
 */
BOOL DoCloseFile(void)
{
    int nResult;
    static const WCHAR empty_strW[] = { 0 };

    if (SendMessage(Globals.hEdit, EM_GETMODIFY, 0, 0))
    {
        /* prompt user to save changes */
        nResult = AlertFileNotSaved(Globals.szFileName);
        switch (nResult) {
            case IDYES:     DIALOG_FileSave();
                            break;

            case IDNO:      break;

            case IDCANCEL:  return(FALSE);
                            break;

            default:        return(FALSE);
                            break;
        } /* switch */
    } /* if */

    SetFileName(empty_strW);

    UpdateWindowCaption();
    return(TRUE);
}


void DoOpenFile(LPCWSTR szFileName)
{
    HANDLE hFile;
    LPSTR pTemp;
    DWORD size;
    DWORD dwNumRead;

    /* Close any files and prompt to save changes */
    if (!DoCloseFile())
	return;

    hFile = CreateFile(szFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
	OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if(hFile == INVALID_HANDLE_VALUE)
    {
	ShowLastError();
	return;
    }

    size = GetFileSize(hFile, NULL);
    if (size == INVALID_FILE_SIZE)
    {
	CloseHandle(hFile);
	ShowLastError();
	return;
    }
    size++;

    pTemp = HeapAlloc(GetProcessHeap(), 0, size);
    if (!pTemp)
    {
	CloseHandle(hFile);
	ShowLastError();
	return;
    }

    if (!ReadFile(hFile, pTemp, size, &dwNumRead, NULL))
    {
	CloseHandle(hFile);
	HeapFree(GetProcessHeap(), 0, pTemp);
	ShowLastError();
	return;
    }

    CloseHandle(hFile);
    pTemp[dwNumRead] = 0;

    if (IsTextUnicode(pTemp, dwNumRead, NULL))
    {
	LPWSTR p = (LPWSTR)pTemp;
	/* We need to strip BOM Unicode character, SetWindowTextW won't do it for us. */
	if (*p == 0xFEFF || *p == 0xFFFE) p++;
	SetWindowTextW(Globals.hEdit, p);
    }
    else
	SetWindowTextA(Globals.hEdit, pTemp);

    HeapFree(GetProcessHeap(), 0, pTemp);

    SendMessage(Globals.hEdit, EM_SETMODIFY, FALSE, 0);
    SendMessage(Globals.hEdit, EM_EMPTYUNDOBUFFER, 0, 0);
    SetFocus(Globals.hEdit);

    SetFileName(szFileName);
    UpdateWindowCaption();
}

VOID DIALOG_FileNew(VOID)
{
    static const WCHAR empty_strW[] = { 0 };

    /* Close any files and promt to save changes */
    if (DoCloseFile()) {
        SetWindowText(Globals.hEdit, empty_strW);
        SendMessage(Globals.hEdit, EM_EMPTYUNDOBUFFER, 0, 0);
        SetFocus(Globals.hEdit);
    }
}

VOID DIALOG_FileOpen(VOID)
{
    OPENFILENAME openfilename;
    WCHAR szPath[MAX_PATH];
    WCHAR szDir[MAX_PATH];
    static const WCHAR szDefaultExt[] = { 't','x','t',0 };
    static const WCHAR txt_files[] = { '*','.','t','x','t',0 };

    ZeroMemory(&openfilename, sizeof(openfilename));

    GetCurrentDirectory(SIZEOF(szDir), szDir);
    lstrcpy(szPath, txt_files);

    openfilename.lStructSize       = sizeof(openfilename);
    openfilename.hwndOwner         = Globals.hMainWnd;
    openfilename.hInstance         = Globals.hInstance;
    openfilename.lpstrFilter       = Globals.szFilter;
    openfilename.lpstrFile         = szPath;
    openfilename.nMaxFile          = SIZEOF(szPath);
    openfilename.lpstrInitialDir   = szDir;
    openfilename.Flags             = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST |
        OFN_HIDEREADONLY;
    openfilename.lpstrDefExt       = szDefaultExt;


    if (GetOpenFileName(&openfilename)) {
        if (FileExists(openfilename.lpstrFile))
            DoOpenFile(openfilename.lpstrFile);
        else
            AlertFileNotFound(openfilename.lpstrFile);
    }
}


VOID DIALOG_FileSave(VOID)
{
    if (Globals.szFileName[0] == '\0')
        DIALOG_FileSaveAs();
    else
        DoSaveFile();
}

VOID DIALOG_FileSaveAs(VOID)
{
    OPENFILENAME saveas;
    WCHAR szPath[MAX_PATH];
    WCHAR szDir[MAX_PATH];
    static const WCHAR szDefaultExt[] = { 't','x','t',0 };
    static const WCHAR txt_files[] = { '*','.','t','x','t',0 };

    ZeroMemory(&saveas, sizeof(saveas));

    GetCurrentDirectory(SIZEOF(szDir), szDir);
    lstrcpy(szPath, txt_files);

    saveas.lStructSize       = sizeof(OPENFILENAME);
    saveas.hwndOwner         = Globals.hMainWnd;
    saveas.hInstance         = Globals.hInstance;
    saveas.lpstrFilter       = Globals.szFilter;
    saveas.lpstrFile         = szPath;
    saveas.nMaxFile          = SIZEOF(szPath);
    saveas.lpstrInitialDir   = szDir;
    saveas.Flags             = OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT |
        OFN_HIDEREADONLY;
    saveas.lpstrDefExt       = szDefaultExt;

    if (GetSaveFileName(&saveas)) {
        SetFileName(szPath);
        UpdateWindowCaption();
        DoSaveFile();
    }
}

VOID DIALOG_FilePrint(VOID)
{
    DOCINFO di;
    PRINTDLG printer;
    SIZE szMetric;
    int cWidthPels, cHeightPels, border;
    int xLeft, yTop, pagecount, dopage, copycount;
    unsigned int i;
    LOGFONT hdrFont;
    HFONT font, old_font=0;
    DWORD size;
    LPWSTR pTemp;
    static const WCHAR times_new_romanW[] = { 'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n',0 };

    /* Get a small font and print some header info on each page */
    hdrFont.lfHeight = 100;
    hdrFont.lfWidth = 0;
    hdrFont.lfEscapement = 0;
    hdrFont.lfOrientation = 0;
    hdrFont.lfWeight = FW_BOLD;
    hdrFont.lfItalic = 0;
    hdrFont.lfUnderline = 0;
    hdrFont.lfStrikeOut = 0;
    hdrFont.lfCharSet = ANSI_CHARSET;
    hdrFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
    hdrFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
    hdrFont.lfQuality = PROOF_QUALITY;
    hdrFont.lfPitchAndFamily = VARIABLE_PITCH | FF_ROMAN;
    lstrcpy(hdrFont.lfFaceName, times_new_romanW);
    
    font = CreateFontIndirect(&hdrFont);
    
    /* Get Current Settings */
    ZeroMemory(&printer, sizeof(printer));
    printer.lStructSize           = sizeof(printer);
    printer.hwndOwner             = Globals.hMainWnd;
    printer.hInstance             = Globals.hInstance;
    
    /* Set some default flags */
    printer.Flags                 = PD_RETURNDC;
    printer.nFromPage             = 0;
    printer.nMinPage              = 1;
    /* we really need to calculate number of pages to set nMaxPage and nToPage */
    printer.nToPage               = 0;
    printer.nMaxPage              = -1;

    /* Let commdlg manage copy settings */
    printer.nCopies               = (WORD)PD_USEDEVMODECOPIES;

    if (!PrintDlg(&printer)) return;

    assert(printer.hDC != 0);

    /* initialize DOCINFO */
    di.cbSize = sizeof(DOCINFO);
    di.lpszDocName = Globals.szFileTitle;
    di.lpszOutput = NULL;
    di.lpszDatatype = NULL;
    di.fwType = 0; 

    if (StartDoc(printer.hDC, &di) <= 0) return;
    
    /* Get the page dimensions in pixels. */
    cWidthPels = GetDeviceCaps(printer.hDC, HORZRES);
    cHeightPels = GetDeviceCaps(printer.hDC, VERTRES);

    /* Get the file text */
    size = GetWindowTextLength(Globals.hEdit) + 1;
    pTemp = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
    if (!pTemp)
    {
        ShowLastError();
        return;
    }
    size = GetWindowText(Globals.hEdit, pTemp, size);
    
    border = 150;
    for (copycount=1; copycount <= printer.nCopies; copycount++) {
        i = 0;
        pagecount = 1;
        do {
            static const WCHAR letterM[] = { 'M',0 };

            if (pagecount >= printer.nFromPage &&
    /*          ((printer.Flags & PD_PAGENUMS) == 0 ||  pagecount <= printer.nToPage))*/
            pagecount <= printer.nToPage)
                dopage = 1;
            else
                dopage = 0;
            
            old_font = SelectObject(printer.hDC, font);
            GetTextExtentPoint32(printer.hDC, letterM, 1, &szMetric);
                
            if (dopage) {
                if (StartPage(printer.hDC) <= 0) {
                    static const WCHAR failedW[] = { 'S','t','a','r','t','P','a','g','e',' ','f','a','i','l','e','d',0 };
                    static const WCHAR errorW[] = { 'P','r','i','n','t',' ','E','r','r','o','r',0 };
                    MessageBox(Globals.hMainWnd, failedW, errorW, MB_ICONEXCLAMATION);
                    return;
                }
                /* Write a rectangle and header at the top of each page */
                Rectangle(printer.hDC, border, border, cWidthPels-border, border+szMetric.cy*2);
                /* I don't know what's up with this TextOut command. This comes out
                kind of mangled.
                */
                TextOut(printer.hDC, border*2, border+szMetric.cy/2, Globals.szFileTitle, lstrlen(Globals.szFileTitle));
            }
            
            /* The starting point for the main text */
            xLeft = border*2;
            yTop = border+szMetric.cy*4;
            
            SelectObject(printer.hDC, old_font);
            GetTextExtentPoint32(printer.hDC, letterM, 1, &szMetric); 
            
            /* Since outputting strings is giving me problems, output the main
            text one character at a time.
            */
            do {
                if (pTemp[i] == '\n') {
                    xLeft = border*2;
                    yTop += szMetric.cy;
                }
                else if (pTemp[i] != '\r') {
                    if (dopage)
                        TextOut(printer.hDC, xLeft, yTop, &pTemp[i], 1);
                    xLeft += szMetric.cx;
                }
            } while (i++<size && yTop<(cHeightPels-border*2));
            
            if (dopage)
                EndPage(printer.hDC);
            pagecount++;
        } while (i<size);
    }

    EndDoc(printer.hDC);
    DeleteDC(printer.hDC);
    HeapFree(GetProcessHeap(), 0, pTemp);
}

VOID DIALOG_FilePrinterSetup(VOID)
{
    PRINTDLG printer;

    ZeroMemory(&printer, sizeof(printer));
    printer.lStructSize         = sizeof(printer);
    printer.hwndOwner           = Globals.hMainWnd;
    printer.hInstance           = Globals.hInstance;
    printer.Flags               = PD_PRINTSETUP;
    printer.nCopies             = 1;

    PrintDlg(&printer);
}

VOID DIALOG_FileExit(VOID)
{
    PostMessage(Globals.hMainWnd, WM_CLOSE, 0, 0l);
}

VOID DIALOG_EditUndo(VOID)
{
    SendMessage(Globals.hEdit, EM_UNDO, 0, 0);
}

VOID DIALOG_EditCut(VOID)
{
    SendMessage(Globals.hEdit, WM_CUT, 0, 0);
}

VOID DIALOG_EditCopy(VOID)
{
    SendMessage(Globals.hEdit, WM_COPY, 0, 0);
}

VOID DIALOG_EditPaste(VOID)
{
    SendMessage(Globals.hEdit, WM_PASTE, 0, 0);
}

VOID DIALOG_EditDelete(VOID)
{
    SendMessage(Globals.hEdit, WM_CLEAR, 0, 0);
}

VOID DIALOG_EditSelectAll(VOID)
{
    SendMessage(Globals.hEdit, EM_SETSEL, 0, (LPARAM)-1);
}

VOID DIALOG_EditTimeDate(VOID)
{
    SYSTEMTIME   st;
    WCHAR        szDate[MAX_STRING_LEN];
    static const WCHAR spaceW[] = { ' ',0 };

    GetLocalTime(&st);

    GetTimeFormat(LOCALE_USER_DEFAULT, 0, &st, NULL, szDate, MAX_STRING_LEN);
    SendMessage(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM)szDate);

    SendMessage(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM)spaceW);

    GetDateFormat(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, NULL, szDate, MAX_STRING_LEN);
    SendMessage(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM)szDate);
}

VOID DIALOG_EditWrap(VOID)
{
    static const WCHAR editW[] = { 'e','d','i','t',0 };
    DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL |
                    ES_AUTOVSCROLL | ES_MULTILINE;
    RECT rc;
    DWORD size;
    LPWSTR pTemp;

    size = GetWindowTextLength(Globals.hEdit) + 1;
    pTemp = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
    if (!pTemp)
    {
        ShowLastError();
        return;
    }
    GetWindowText(Globals.hEdit, pTemp, size);
    DestroyWindow(Globals.hEdit);
    GetClientRect(Globals.hMainWnd, &rc);
    if( Globals.bWrapLongLines ) dwStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
    Globals.hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, editW, NULL, dwStyle,
                         0, 0, rc.right, rc.bottom, Globals.hMainWnd,
                         NULL, Globals.hInstance, NULL);
    SendMessage(Globals.hEdit, WM_SETFONT, (WPARAM)Globals.hFont, (LPARAM)FALSE);
    SetWindowTextW(Globals.hEdit, pTemp);
    SetFocus(Globals.hEdit);
    HeapFree(GetProcessHeap(), 0, pTemp);
    
    Globals.bWrapLongLines = !Globals.bWrapLongLines;
    CheckMenuItem(GetMenu(Globals.hMainWnd), CMD_WRAP,
        MF_BYCOMMAND | (Globals.bWrapLongLines ? MF_CHECKED : MF_UNCHECKED));
}

VOID DIALOG_SelectFont(VOID)
{
    CHOOSEFONT cf;
    LOGFONT lf=Globals.lfFont;

    ZeroMemory( &cf, sizeof(cf) );
    cf.lStructSize=sizeof(cf);
    cf.hwndOwner=Globals.hMainWnd;
    cf.lpLogFont=&lf;
    cf.Flags=CF_SCREENFONTS;

    if( ChooseFont(&cf) )
    {
        HFONT currfont=Globals.hFont;

        Globals.hFont=CreateFontIndirect( &lf );
        Globals.lfFont=lf;
        SendMessage( Globals.hEdit, WM_SETFONT, (WPARAM)Globals.hFont, (LPARAM)TRUE );
        if( currfont!=NULL )
            DeleteObject( currfont );
    }
}

VOID DIALOG_Search(VOID)
{
        ZeroMemory(&Globals.find, sizeof(Globals.find));
        Globals.find.lStructSize      = sizeof(Globals.find);
        Globals.find.hwndOwner        = Globals.hMainWnd;
        Globals.find.hInstance        = Globals.hInstance;
        Globals.find.lpstrFindWhat    = Globals.szFindText;
        Globals.find.wFindWhatLen     = SIZEOF(Globals.szFindText);
        Globals.find.Flags            = FR_DOWN;

        /* We only need to create the modal FindReplace dialog which will */
        /* notify us of incoming events using hMainWnd Window Messages    */

        Globals.hFindReplaceDlg = FindText(&Globals.find);
        assert(Globals.hFindReplaceDlg !=0);
}

VOID DIALOG_SearchNext(VOID)
{
    /* FIXME: Search Next */
    DIALOG_Search();
}

VOID DIALOG_HelpContents(VOID)
{
    WinHelp(Globals.hMainWnd, helpfileW, HELP_INDEX, 0);
}

VOID DIALOG_HelpSearch(VOID)
{
        /* Search Help */
}

VOID DIALOG_HelpHelp(VOID)
{
    WinHelp(Globals.hMainWnd, helpfileW, HELP_HELPONHELP, 0);
}

VOID DIALOG_HelpLicense(VOID)
{
        WineLicense(Globals.hMainWnd);
}

VOID DIALOG_HelpNoWarranty(VOID)
{
        WineWarranty(Globals.hMainWnd);
}

VOID DIALOG_HelpAboutWine(VOID)
{
    static const WCHAR notepadW[] = { 'N','o','t','e','p','a','d','\n',0 };
    WCHAR szNotepad[MAX_STRING_LEN];

    LoadString(Globals.hInstance, STRING_NOTEPAD, szNotepad, SIZEOF(szNotepad));
    ShellAbout(Globals.hMainWnd, szNotepad, notepadW, 0);
}


/***********************************************************************
 *
 *           DIALOG_FilePageSetup
 */
VOID DIALOG_FilePageSetup(void)
{
  DialogBox(Globals.hInstance, MAKEINTRESOURCE(DIALOG_PAGESETUP),
            Globals.hMainWnd, DIALOG_PAGESETUP_DlgProc);
}


/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *
 *           DIALOG_PAGESETUP_DlgProc
 */

static INT_PTR WINAPI DIALOG_PAGESETUP_DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{

   switch (msg)
    {
    case WM_COMMAND:
      switch (wParam)
        {
        case IDOK:
          /* save user input and close dialog */
          GetDlgItemText(hDlg, 0x141, Globals.szHeader, SIZEOF(Globals.szHeader));
          GetDlgItemText(hDlg, 0x143, Globals.szFooter, SIZEOF(Globals.szFooter));
          GetDlgItemText(hDlg, 0x14A, Globals.szMarginTop, SIZEOF(Globals.szMarginTop));
          GetDlgItemText(hDlg, 0x150, Globals.szMarginBottom, SIZEOF(Globals.szMarginBottom));
          GetDlgItemText(hDlg, 0x147, Globals.szMarginLeft, SIZEOF(Globals.szMarginLeft));
          GetDlgItemText(hDlg, 0x14D, Globals.szMarginRight, SIZEOF(Globals.szMarginRight));
          EndDialog(hDlg, IDOK);
          return TRUE;

        case IDCANCEL:
          /* discard user input and close dialog */
          EndDialog(hDlg, IDCANCEL);
          return TRUE;

        case IDHELP:
        {
          /* FIXME: Bring this to work */
          static const WCHAR sorryW[] = { 'S','o','r','r','y',',',' ','n','o',' ','h','e','l','p',' ','a','v','a','i','l','a','b','l','e',0 };
          static const WCHAR helpW[] = { 'H','e','l','p',0 };
          MessageBox(Globals.hMainWnd, sorryW, helpW, MB_ICONEXCLAMATION);
          return TRUE;
        }

	default:
	    break;
        }
      break;

    case WM_INITDIALOG:
       /* fetch last user input prior to display dialog */
       SetDlgItemText(hDlg, 0x141, Globals.szHeader);
       SetDlgItemText(hDlg, 0x143, Globals.szFooter);
       SetDlgItemText(hDlg, 0x14A, Globals.szMarginTop);
       SetDlgItemText(hDlg, 0x150, Globals.szMarginBottom);
       SetDlgItemText(hDlg, 0x147, Globals.szMarginLeft);
       SetDlgItemText(hDlg, 0x14D, Globals.szMarginRight);
       break;
    }

  return FALSE;
}