// BDE - (C) Copyright 1994 by Borland International

#include "address.h"

static bReset = FALSE;

//=================================================================
//  Name:   WinMain(hInstance, hPrevInstance, lpCmdLine, nCmdShow)
//
//  Input:  hInstance - The handle that represents the applications
//                      unique instance ID.
//          hPrevInstance - Indicates if this is the first instance
//                          of the app.
//          lpCmdLine - Command line parameters (up to the app to parse).
//          nCmdShow - TRUE = Show as non-icon application
//
//  Return: ???
//
//  Description:    This is the application entry point for the
//                   Windows driver. It will set up the app, init
//                  the Windows instance, process all event driven
//                  messages, and clean up the suite prior to
//                  returning to Windows.
//=================================================================
int _pascal
WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
            int nCmdShow)
{
    MSG     msg;

    lpCmdLine = lpCmdLine;
    nCmdShow = nCmdShow;

    // Register CTL3D
    Ctl3dRegister(hInstance);
    Ctl3dAutoSubclass(hInstance);
    Ctl3dColorChange();


    // Make this a single instance program
    if (hPrevInstance)
    {
        MessageBox(GetFocus(), "This application is already running!",
                   "AddressBook Manager", MB_OK | MB_ICONHAND);
        return(FALSE);
    }

    // Start the application, and set the main dialog to no show until
    // everything is setup.
    hInst = hInstance;
    if (InitApp(SW_HIDE) == FALSE)
    {
        return(FALSE);
    }

    // Process all event driven messages...
    while (GetMessage(&msg, NULL, NULL, NULL))
    {
        if (! IsDialogMessage(hMainWnd, &msg))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    // Unregister CTL3D
    Ctl3dUnregister(hInstance);
    
    return msg.wParam;
}

//====================================================================
//  Name:   InitApp();
//
//  Input:  None.
//
//  Return: TRUE - Init worked
//          FALSE - Init failed
//
//  Description:    Create the application window & init any default
//  of the main window.
//====================================================================
BOOL
InitApp (int nCmdShow)
{
    WNDCLASS    wc;
    unsigned    uCount;

    // Make certain to allocate enough space for the message.
    char        szMessage[(DBIMAXMSGLEN * 2) + 1];
    char        szRelativeTblDirectory[DBIMAXPATHLEN+1];

    // Init the application & create the needed windows
    wc.style         = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc   = MainWndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = DLGWINDOWEXTRA;
    wc.hInstance     = hInst;
    wc.hIcon         = LoadIcon(hInst, MAKEINTRESOURCE(9999));
    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
    wc.lpszMenuName  = NULL;
    wc.lpszClassName = "MainWindowClass";

    // Register the class
    if(!RegisterClass(&wc))
    {
        MessageBox(NULL, "RegisterClass failed!",  "System Error",
                   MB_OK | MB_ICONHAND);
        return(FALSE);
    }

    // Increase the number of file handles that are available to the
    // system.  
    uCount = SetHandleCount(FILEHANDLESNEEDED);
    if (uCount < FILEHANDLESNEEDED)
    {
        MessageBox(NULL, "Not enough file handles available. 'Set files=40'"
                   " in CONFIG.SYS.",  "System Error", MB_OK | MB_ICONHAND);
        return FALSE;
    }

    // Get the directory which contains the tables. 
    GetPrivateProfileString("ADDRESS", "TblDir",
                            "..\\..\\TABLES",
                            (LPSTR)szRelativeTblDirectory,
                            sizeof(szRelativeTblDirectory),
                            "bde.ini");

    // Create a fully qualified pathname for the table directory
    if (MakeFullPath(szTblDirectory, szRelativeTblDirectory))
    {
        sprintf(szMessage,"Table Directory does not exist: %s",
                szTblDirectory);
        MessageBox(NULL, szMessage,  "System Error", MB_OK | MB_ICONHAND);
        return FALSE;
    }

    // Get the private directory. Needed in case example is run off a
    // CD-ROM.
    GetPrivateProfileString("ADDRESS", "PrivateDir",
                            ".", (LPSTR)szRelativeTblDirectory,
                            sizeof(szRelativeTblDirectory),
                            "bde.ini");

    // Create a fully qualified path for the table private.
    if (MakeFullPath(szPrivDirectory, szRelativeTblDirectory))
    {
        sprintf(szMessage,"Private Directory does not exist: %s",
                szPrivDirectory);
        MessageBox(NULL, szMessage,  "System Error", MB_OK | MB_ICONHAND);
        return FALSE;
    }

    // Create the dialog that serves as the main window
    hMainWnd = CreateDialog(hInst, "MainDlg", 0, NULL);
    if (hMainWnd == NULL)
    {
        MessageBox(NULL, "CreateDialog failed!",  "System Error",
                   MB_OK | MB_ICONHAND);
        return(FALSE);
    }

    _wpOrigWndProc = SubClassWindow(GetDlgItem(hMainWnd, IDE_COMMENTS),
                                    EditSubClassProc);

    ShowWindow(hMainWnd, nCmdShow);
    return(TRUE);
}

// ===============================================================
//  Name:   MainWndProc(hWnd, msg, wParam, lParam);
//
//  Desc:   This routine will process all messaged for the primary
//          application window. Included in this are all menu
//          commands.
// ===============================================================
LRESULT CALLBACK
MainWndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    UINT32      lRet = FALSE;
    pCHAR       pszTableInfo = NULL;
    UINT16      iSize;
    CHAR        szInitIndex[]="FullName";
    CHAR        szMdxName[DBIMAXPATHLEN];
    UINT16      iRangeVal = 0;
    UINT16      i;
    CHAR        szABType[DBIMAXNAMELEN];
    CHAR        szTable[DBIMAXNAMELEN];
    CHAR        szMsg[150];
    UINT16      iType;
    BOOL        bFlag;
    ABHANDLES   AbHandle;
    pCS         pCreate = NULL;    
    DLGPROC     lpProc;
    HWND        hwnd;
    HBRUSH      hBrush;

    // The following variables are static so that the original state that
    // is passed into the window proc is kept after we fall through it.
    static  hDBIDb      hDb;
    static  hDBICur     hCur;
    static  hDBIDb      hTempDb;
    static  hDBICur     hTempCur;
    static  CHAR        szTempName[DBIMAXNAMELEN];
    static  CHAR        szTempDir[DBIMAXPATHLEN];

    // These variables are used for the FileOpen/FileSave dialogs
    LPFOCHUNK   lpFOChunk;
    hErrorWnd = hWnd;

    switch (msg)
    {
        case WM_CREATE:
            if((lpfnFileHook = (FARHOOK)MakeProcInstance(
                                    (FARPROC)FileHook, hInst))==NULL)
            {
                 WinMsg("Could not create Common Dialog Hook",
                        MB_ICONHAND, MB_OK);
            }
            PostMessage(hWnd, WM_DBIINIT, 0, 0);
            break;

        case WM_DBIINIT:
            hwnd = GetWindow(hWnd, GW_CHILD);
            while (hwnd != NULL)
            {
                Ctl3dSubclassCtl(hwnd);
                hwnd = GetWindow(hwnd, GW_HWNDNEXT);
            }
            // Check to see if the engine could not initialize.
            if(DbInit()!=DBIERR_NONE)
            {
                // There was an error so shut down.
                PostQuitMessage(0);
                break;
            }

            // Get the length of the table name plus the path plus 10 bytes.
            iSize = strlen(szTblDirectory) + strlen(szTblName) + 10;

            // Create the two tables - the Paradox Business table and the
            // dBASE personal table.
            for(i=0; i<2; i++)
            {
                // Get memory to hold the full table name with path.
                if((pszTableInfo = (pCHAR)malloc(iSize * sizeof(CHAR)))
                                 ==NULL)
                {
                    WinMsg("You have run out of memory!", MB_ICONHAND,
                           MB_OK);
                    SendMessage(hWnd, WM_DESTROY, 0, 0L);
                }

                if(i==1)
                {
                    strcpy((pCHAR)szTblName, szPERSONAL);
                    strcpy((pCHAR)szTblType, szDBASE);
                    strcpy(szABType, szPERSONAL);
                }
                else
                {
                    strcpy((pCHAR)szTblName, szBUSINESS);
                    strcpy((pCHAR)szTblType, szPARADOX);
                    strcpy(szABType, szBUSINESS);
                }

                // Check if the table exists or empty.
                if(!TableExist(pszTableInfo))
                {
                    OpenDB(&hDb, NULL, NULL, NULL);
                    if(CreateTable(hDb, &hCur, szABType)==DBIERR_NONE)
                    {
                        // Fill it with the data that is inside the resource
                        // file.
                        if(FillTable(hCur, szABType))
                        {
                            CloseTable(&hCur);
                        }
                    }
                    CloseDb(&hDb);
                }
                free(pszTableInfo);
            }

            OpenDB(&hDb, NULL, NULL, NULL);
            if(!GetTable(hDb, &hCur))
            {
                // Get the Production index's name.
                GetMdxName(hCur, szMdxName);

                // Switch to the an index.  This is done because we are
                // using a dBASE table which defaults to no index upon being
                // opened.  You can choose any index by changing the
                // szInitIndex variable.
                SetIndex(&hCur, szInitIndex);

                // Goto the top of the table and move forward one record.
                GoTop(hCur, TRUE);
            }
            else
            {
                wsprintf(szMsg, "The following table: %s is corrupt - please"
                         " delete it and rerun the program.", szTblName);
                WinMsg(szMsg, MB_ICONHAND, MB_OK);
                PostMessage(hWnd, WM_DESTROY, 0, 0L);
                return FALSE;
            }

            if(hCur==NULL)
            {
                WinMsg("Error opening tables!", MB_ICONHAND, MB_OK);
                PostMessage(hWnd, WM_DESTROY, 0, 0L);
            }
            else
            {
                ShowWindow(hWnd, SW_SHOW);

                // Display the field names for this table in the main
                // window.
                SetFieldNames(hCur);

                // Get the message number for the common dialog hook.
                iMSGFileOK = RegisterWindowMessage(FILEOKSTRING);

                // Display the first record.
                PostMessage(hWnd, WM_DISPLAY, 0, 0L);
            }
            break;

        case WM_CTLCOLOR:
            hBrush = Ctl3dCtlColorEx(msg, wParam, lParam);
            if (hBrush != (HBRUSH)0)
            {
                return (long)(WORD)hBrush;
            }
            else
            {
                return DefWindowProc(hWnd, msg, wParam, lParam);
            }

        case WM_SYSCOLORCHANGE:
            Ctl3dColorChange();
            return TRUE;

        case WM_NCPAINT:
        case WM_NCACTIVATE:
        case WM_SETTEXT:
            return Ctl3dDlgFramePaint(hWnd, msg, wParam, lParam);

        case WM_SETFOCUS:
            SetFNameFocus();
            break;

        case WM_DISPLAY:

            // Check the navigational buttons.
            CheckButtons(hCur);

            // Display the current record.
            DisplayTable(hCur);

            // Setup the edit controls so that the user can only
            // enter the correct amount of information.
            SetupEdits();
            break;

        case WM_ABFILECREATE:
            iType = wParam;
            if(iType == 1)
            {
                strcpy((pCHAR)szABType, szBUSINESS);
            }
            else
            {
                strcpy((pCHAR)szABType, szPERSONAL);
            }

            if(bIsServer)
            {
                strcpy((pCHAR)szTable, (pCHAR)lParam);

                // Strip out any periods.
                StripChar((pCHAR)szTblName, szTable, 46);
            }

            if(CreateTable(hTempDb, &hTempCur, szABType)==DBIERR_NONE)
            {
                if(FillTable(hTempCur, szABType))
                {
                    if(CloseTable(&hTempCur)==DBIERR_NONE)
                    {
                        SendMessage(hWnd, WM_ABFILEOPEN, 0, lParam);
                    }
                }
            }
            else
            {
                strcpy((pCHAR)szTblName, szTempName);
                strcpy((pCHAR)szTblDirectory, szTempDir);
                if(hTempDb)
                {
                    CloseDb(&hTempDb);
                }
                hTempCur = 0;
                hTempDb = 0;
                if(hCur)
                {
                    GetTblType(hCur, (pCHAR)szTblType);
                }
            }
            break;

        case WM_ABFILEOPEN:
            if(!CanContinue("Do you wish to save your changes"
                            " before opening the new table", ID_UNDO_REC))
            {
                SaveRec(hCur, FALSE);
            }

            if(bIsServer)
            {
                strcpy((pCHAR)szTable, (pCHAR)lParam);
            }
            else
            {
                strcpy((pCHAR)szTblName, (pCHAR)lParam);
            }

            if(GetTable(hTempDb, &hTempCur) == DBIERR_NONE)
            {
                CheckTable(hTempCur, &bFlag);
                if(bFlag)
                {
                    EnableMenuItem(GetMenu(hMainWnd),ID_CLEAR_RANGE,
                                   MF_GRAYED);
                    if(hDb)
                    {
                        CloseDb(&hDb);
                    }
                    hDb = hTempDb;
                    hCur = hTempCur;
                    hTempCur = 0;
                    hTempDb = 0;
                    if(AtBOF(hCur) && AtEOF(hCur))
                    {
                        WinMsg("Filling the empty table with the default "
                               "data.", MB_ICONHAND, MB_OK);
                        FillTable(hCur, szBUSINESS);
                    }
                    GoTop(hCur, TRUE);
                    InitIndex1(&hCur);
                    SetAll(TRUE);

                    // Display the field names for this table in the
                    // main window.
                    SetFieldNames(hCur);

                    // Display the current record.
                    PostMessage(hWnd, WM_DISPLAY, 0, 0L);
                }
                else
                {
                    wsprintf(szMsg, "The Table named: %s is not a valid "
                             "AddressBook table.  Please try again",
                             szTblName);

                    WinMsg(szMsg, MB_ICONHAND, MB_OK);
                    strcpy((pCHAR)szTblName, szTempName);
                    strcpy((pCHAR)szTblDirectory, szTempDir);
                    if(hTempDb)
                    {
                        CloseDb(&hTempDb);
                    }
                    hTempCur = 0;
                    hTempDb = 0;
                    if(hCur!=NULL)
                    {
                        GetTblType(hCur, (pCHAR)szTblType);
                    }    
                }
            }
            else
            {
                strcpy((pCHAR)szTblName, szTempName);
                strcpy((pCHAR)szTblDirectory, szTempDir);
                if(hTempDb)
                {
                    CloseDb(&hTempDb);
                }
                if(hCur)
                {
                    GetTblType(hCur, (pCHAR)szTblType);
                }
                hTempDb = 0;
            }
            break;

        case WM_COMMAND:
            switch(wParam)
            {
                // These messages are two buttons that are not visible
                // until the user sends an ID_ADD_REC message by pressing
                // the add button or choosing the add menu option.  Once
                // that is done the OK button will stay dimmed until the
                // user has input valid data.  Which consists of some first
                // and last name and a valid date.
                case IDOK:

                    // Insert the record.
                    HourGlassCursor(TRUE);
                    SaveRec(hCur, TRUE);
                    HourGlassCursor(FALSE);

                    // Reset the controls back to normal. 
                    EndNewRec(hCur);
                    SetFNameFocus();
                    break;

                case IDCANCEL:
                     // Confirm if the data will be lost.
                    if(CanContinue("Data not saved cancel anyway?", IDOK))
                    {
                        // Reset the controls and cancel any data.
                        EndNewRec(hCur);
                    }
                    break;

                // Check all the edits at once for any changes.  Then
                // check if the data is valid.
                case IDE_FIRST_NAME:
                case IDE_LAST_NAME:
                case IDE_LAST_DATE:
                case IDE_ADDRESS1:
                case IDE_ADDRESS2:
                case IDE_CITY:
                case IDE_STATE:
                case IDE_ZIP:
                case IDE_PHONE1:
                case IDE_PHONE2:
                case IDE_COMMENTS:
                    if (HIWORD(lParam) == EN_UPDATE && !bReset)
                    {
                        if(Varified())
                        {
                            // If in add mode enable the OK button.
                            if(NewRecMode)
                            {
                                EnableWindow(GetDlgItem(hMainWnd, IDOK),
                                             TRUE);
                            }
                            else
                            {
                                SetControl(ID_MOD_REC, TRUE);
                                SetControl(ID_UNDO_REC, TRUE);
                            }
                        }
                        else
                        {
                            if(NewRecMode)
                            {
                                // Disable the OK button, so that the
                                // user cannot save the invalid data.
                                EnableWindow(GetDlgItem(hMainWnd, IDOK),
                                             FALSE);
                            }
                            else
                            {
                                // Disable the save button but do not
                                // disable the Undo button.
                                SetControl(ID_MOD_REC, FALSE);
                                SetControl(ID_UNDO_REC, TRUE);
                            }
                        }
                    }
                    break;

                case ID_DELETETABLE:
                    if(WinMsg("Delete This table?", MB_ICONHAND,
                              MB_YESNO)==IDYES)
                    {
                        HourGlassCursor(TRUE);
                        if((DeleteTable(&hCur, hDb, (pCHAR)szTblName,
                                        (pCHAR)szTblType)) == DBIERR_NONE)
                        {
                            ClearDlg();
                            SetAll(FALSE);
                        }
                        HourGlassCursor(FALSE);
                    }
                    break;

                case ID_NEW:
                    if((lpFOChunk = (LPFOCHUNK) malloc(sizeof(FOCHUNK)))
                                                == NULL)
                    {
                        return 0;
                    }

                    if((pCreate = (pCS) malloc(sizeof(ABCREATESTRUCT)))
                                                == NULL)
                    {
                        return 0;
                    }

                    pCreate->phDb = &hTempDb;
                    pCreate->uType = 1;

                    // Clear the variable before re-using the variable.
                    memset(szTempName, '\0', DBIMAXNAMELEN);
                    memset(szTempDir, '\0', DBIMAXPATHLEN);
                    memset(szTable, '\0', DBIMAXNAMELEN);

                    OpenDB(&hTempDb, NULL, NULL, NULL);

                    InitializeStruct((LPSTR)lpFOChunk, pCreate);

                    strcpy((pCHAR)szTable, szTblName);

                    if ( GetSaveFileName( &(lpFOChunk->ofn) ) )
                    {
                        strcpy(szTempDir, szTblDirectory);
                        memset((pCHAR)szTblDirectory, '\0', DBIMAXPATHLEN);
                        if(bIsServer)
                        {
                            strcpy((pCHAR)szTempName, szTable);
                            strcpy((pCHAR)szTblType, "");
                        }
                        else
                        {
                            strcpy((pCHAR)szTempName, szTblName);
                            memset((pCHAR)szTblName, '\0', DBIMAXNAMELEN);
                            GetFileTitle(lpFOChunk->ofn.lpstrFile,
                                    (pCHAR)szTblName, DBIMAXTBLNAMELEN - 1);
                            strncpy((pCHAR)szTblDirectory,
                                        lpFOChunk->ofn.lpstrFile,
                                        (lpFOChunk->ofn.nFileOffset)-1);

                            strlwr((pCHAR)szTblName);
                            if(strstr(szTblName, ".dbf")==NULL)
                            {
                                strcpy((pCHAR)szTblType, szPARADOX);
                            }
                            else
                            {
                                strcpy((pCHAR)szTblType, szDBASE);
                            }
                        }
                        iType = pCreate->uType;
                        SendMessage(hWnd, WM_ABFILECREATE, iType,
                                                (LPARAM)szTblName);
                    }
                    else
                    {
                        ProcessCDError(CommDlgExtendedError());

                        // The user pressed cancel so we must close the
                        // temporary database handle.
                        if(hTempDb)
                        {
                            CloseDb(&hTempDb);
                        }
                        strcpy((pCHAR)szTblName, szTable);
                    }

                    free(lpFOChunk);
                    free(pCreate);
                    break;

                case ID_OPEN:

                    if((lpFOChunk = (LPFOCHUNK) malloc(sizeof(FOCHUNK)))
                                                == NULL)
                    {
                        return 0;
                    }

                    if((pCreate = (pCS) malloc(sizeof(ABCREATESTRUCT)))
                                                == NULL)
                    {
                        return 0;
                    }

                    pCreate->phDb = &hTempDb;
                    pCreate->uType = 0;

                    // Clear the variable before re-using the variable.
                    memset(szTempName, '\0', DBIMAXNAMELEN);
                    memset(szTempDir, '\0', DBIMAXPATHLEN);
                    memset(szTable, '\0', DBIMAXNAMELEN);

                    OpenDB(&hTempDb, NULL, NULL, NULL);

                    InitializeStruct((LPSTR)lpFOChunk, pCreate);

                    strcpy((pCHAR)szTable, szTblName);

                    if((lpfnFileHook = (FARHOOK)MakeProcInstance(
                                    (FARPROC)FileHook, hInst))==NULL)
                    {
                            WinMsg("Could not create Common Dialog Hook",
                            MB_ICONHAND, MB_OK);
                    }

                    if ( GetOpenFileName( &(lpFOChunk->ofn) ) )
                    {
                        strcpy(szTempDir, szTblDirectory);
                        memset((pCHAR)szTblDirectory, '\0', DBIMAXPATHLEN);
                        if(bIsServer)
                        {
                            strcpy((pCHAR)szTempName, szTable);
                        }
                        else
                        {
                            strcpy((pCHAR)szTempName, szTblName);
                            memset((pCHAR)szTblName, '\0', DBIMAXNAMELEN);
                            GetFileTitle(lpFOChunk->ofn.lpstrFile,
                                    (pCHAR)szTblName, DBIMAXTBLNAMELEN - 1);
                            strncpy((pCHAR)szTblDirectory,
                                        lpFOChunk->ofn.lpstrFile,
                                        (lpFOChunk->ofn.nFileOffset)-1);
                        }
                        SendMessage(hWnd, WM_ABFILEOPEN, 0,
                                                (LPARAM)szTblName);
                    }
                    else
                    {
                        // The user pressed cancel so we must close the
                        // temporary database handle.
                        if(hTempDb != NULL)
                        {
                            CloseDb(&hTempDb);
                        }
                        strcpy((pCHAR)szTblName, szTable);
                    }

                    free(lpFOChunk);
                    free(pCreate);
                    break;


                // Display the About dialog box.
                case ID_ABOUT:
                    lpProc = (DLGPROC)MakeProcInstance((FARPROC) AboutDlg,
                                                       hInst);
                    DialogBox(hInst, "AboutDlg", hMainWnd, lpProc);
                    FreeProcInstance((FARPROC) lpProc);
                    SetFNameFocus();
                    break;

                // Display the Order dialog box.
                case ID_ORDER:
                    lpProc = (DLGPROC)MakeProcInstance((FARPROC) OrderDlg,
                                                       hInst);

                    AbHandle.phCur = &hCur;
                    AbHandle.hDb = hDb;

                    // Pass the pointer to the ABHandle structure so it
                    // can be modified inside the dialogbox.
                    if(DialogBoxParam(hInst, "OrderDlg", hMainWnd, lpProc,
                                   (LONG)(void far*)&AbHandle)==IDOK)
                    {
                        // Display the current record.
                        DisplayTable(hCur);
                        CheckButtons(hCur);
                    }
                    FreeProcInstance((FARPROC) lpProc);
                    SetFNameFocus();
                    break;

                // Display the Range dialog box.
                case ID_RANGE:
                    lpProc = (DLGPROC)MakeProcInstance((FARPROC)RangeDlg,
                                                       hInst);

                    AbHandle.phCur = &hCur;
                    AbHandle.hDb = hDb;

                    // Pass the pointer to the ABHandle structure so it
                    // can be modified inside the dialogbox.
                    iRangeVal = DialogBoxParam(hInst, "RangeDlg", hMainWnd,
                                              lpProc,
                                              (LONG)(void far*)&AbHandle);
                    if(iRangeVal == IDOK)
                    {
                        // Set the global variable RangeSet to TRUE as
                        // we did set a range for the present cursor.
                        RangeSet = TRUE;

                        // Display the current record.
                        DisplayTable(hCur);
                        CheckButtons(hCur);

                        // Enable the Clear Range menu option.
                        EnableMenuItem(GetMenu(hMainWnd), ID_CLEAR_RANGE,
                                       MF_ENABLED);
                    }
                    else
                    {
                        SetFNameFocus();
                    }
                    FreeProcInstance((FARPROC) lpProc);
                    break;

                // This menu option is enabled ONLY after a range has
                // been set.
                case ID_CLEAR_RANGE:

                    ResetRange(hCur);

                    // Go to the first record in the table.
                    GoTop(hCur, TRUE);

                    // Disable the Reset Range menu option.
                    EnableMenuItem(GetMenu(hMainWnd), ID_CLEAR_RANGE,
                                   MF_GRAYED);

                    // Set the global variable to FALSE.
                    RangeSet = FALSE;

                    // Display the current record.
                    DisplayTable(hCur);
                    CheckButtons(hCur);
                    break;

                // Display the Search dialog box.
                case ID_SEARCH:
                    lpProc = (DLGPROC)MakeProcInstance((FARPROC) SearchDlg,
                                                       hInst);

                    AbHandle.phCur = &hCur;
                    AbHandle.hDb = hDb;

                    // Pass the pointer to the ABHandle structure so it
                    // can be modified inside the dialogbox.
                    if(DialogBoxParam(hInst, "SearchDlg", hMainWnd, lpProc,
                                      (LONG)(void far*)&AbHandle)==IDOK)
                    {
                        // Move one record past the crack that the Search
                        // function leaves you at.
                        CHKERR(GetNextRec(hCur));
                    }
                    FreeProcInstance((FARPROC) lpProc);

                    // Display the current record.
                    DisplayTable(hCur);
                    CheckButtons(hCur);
                    break;

                case ID_ADD_REC:
                    // Change the "mode" of the main window so as to allow
                    // for a new name to be entered. This "mode" will not
                    // be deactivated until the IDOK and IDCANCEL messages
                    // are processed in this message switch!
                    ChangeEntryMode(hCur);

                    // Clear the edit controls to allow the user to input
                    // the new data easily.
                    ClearDlg();

                    // Enable the Cancel button.
                    EnableWindow(GetDlgItem(hMainWnd, IDCANCEL), TRUE);

                    // Disable the OK button until valid data has been
                    // input.
                    EnableWindow(GetDlgItem(hMainWnd, IDOK), FALSE);

                    // Put the current date into the Date Edit control.
                    SetDefaultDate();
                    SetFNameFocus();
                    break;

                case ID_NEXT_REC:
                    // Move one record forward.
                    MoveRec(hCur, NEXT_REC);
                    break;

                case ID_PREV_REC:
                    // Move back one record.
                    MoveRec(hCur, PREV_REC);
                    break;

                case ID_FIRST_REC:
                    // Move to the first record in the table.
                    MoveRec(hCur, TOP);
                    break;

                case ID_LAST_REC:
                    // Move to the last record in the table.
                    MoveRec(hCur, BOTTOM);
                    break;

                case ID_MOD_REC:
                    if(CanContinue("Do you want to modify this record?",
                                   ID_UNDO_REC))
                    {
                        // Modify record.
                        SaveRec(hCur, FALSE);

                        // Set the navigational controls.
                        CheckButtons(hCur);
                        SetControl(ID_MOD_REC, FALSE);
                        SetControl(ID_UNDO_REC, FALSE);
                    }
                    break;

                case ID_DEL_REC:
                    if(WinMsg("Do you want to delete this record?",
                              MB_ICONHAND, MB_YESNO)== IDYES)
                    {
                        // Delete the record.
                        DeleteRecord(hCur);
                        CheckButtons(hCur);
                    }
                    break;

                case ID_UNDO_REC:
                    if(CanContinue("All changes will be lost - Undo "
                                   "anyway?", ID_UNDO_REC))
                    {
                        // Redisplay the original data from the table.
                        PostMessage(hWnd, WM_DISPLAY, 0, 0L);
                    }
                    break;

                case ID_EXIT:
                    PostMessage(hWnd, WM_CLOSE, 0, 0L);
                    break;

                default:
                    lRet = DefWindowProc(hWnd, msg, wParam, lParam);
                    break;

            }
            break;

        case WM_CLOSE:
            if(CanContinue("Data not saved quit anyway?", IDOK))
            {
                DestroyWindow(hWnd);
            }
            else
            {
                SetFNameFocus();
            }
            break;

        case WM_DESTROY:
            if(hCur)
            {
                CloseTable(&hCur);
            }
            if(hDb)
            {
                CloseDb(&hDb);
            } 
            DbExit();

            // Quit the application.
            PostQuitMessage(0);
            break;

        default:
            // Otherwise default to the DefWindowProc.
            lRet = DefWindowProc(hWnd, msg, wParam, lParam);
            break;
    }
    return(lRet);
}

//======================================================================
//  Name:   FillStruct()
//
//  Input:  Record structure pointer (RecordType *), Starting Resource ID
//          (UINT16), AddressBook type (pCHAR).
//
//  Return: TRUE -  The structure is filled.
//
//  Desc:   This routine will fill the structure with the strings that start
//          at Offset and are found in the resource file.
//======================================================================
BOOL
FillStruct (RecordType *pRec, UINT16 iOffSet, pCHAR pszABType)
{
    // Used to keep count of the resource ID.  We add one to the uNumFields
    // to take into account the extra #define for the Bussiness/Spouse pair.
    UINT16      j=IDS_FIRST_NAME_1 + (iOffSet*(uNumFields + 1));

    memset(pRec, 0, sizeof(RecordType));

    // Get the string into the structure
    LoadString(hInst, j++, (pCHAR)pRec->FName, sizeof(pRec->FName));
    LoadString(hInst, j++, (pCHAR)pRec->LName, sizeof(pRec->LName));

    // Check if this is a personal addressbook.
    if(strcmpi(pszABType, szPERSONAL) == 0)
    {
        LoadString(hInst, j++, (pCHAR)pRec->Spouse, sizeof(pRec->Spouse));

        // Increment j to get past the Business data.
        j++;
    }
    else
    {
        j++;
        LoadString(hInst, j++, (pCHAR)pRec->Spouse, sizeof(pRec->Spouse));
    }
        
    LoadString(hInst, j++, (pCHAR)pRec->Addrs1, sizeof(pRec->Addrs1));
    LoadString(hInst, j++, (pCHAR)pRec->Addrs2, sizeof(pRec->Addrs2));
    LoadString(hInst, j++, (pCHAR)pRec->City, sizeof(pRec->City));
    LoadString(hInst, j++, (pCHAR)pRec->State, sizeof(pRec->State));
    LoadString(hInst, j++, (pCHAR)pRec->Zip, sizeof(pRec->Zip));
    LoadString(hInst, j++, (pCHAR)pRec->Phone1, sizeof(pRec->Phone1));
    LoadString(hInst, j++, (pCHAR)pRec->Phone2, sizeof(pRec->Phone2));
    LoadString(hInst, j++, (pCHAR)pRec->Date1, sizeof(pRec->Date1));
    LoadString(hInst, j++, (pCHAR)pRec->Comment, sizeof(pRec->Comment));

    return TRUE;
}

//======================================================================
//  Name:   DisplayTable()
//
//  Input:  Cursor handle (hDBICur).
//
//  Return: TRUE -  The record is displayed.
//          FALSE - The record Structure allocation failed.
//
//  Desc:   This routine will fill a structure with the record pointed
//          to by the cursor and then display the record in the main Window.
//======================================================================
BOOL
DisplayTable (hDBICur hCur)
{                                                                       
    RecordType *pRecord = NULL;

    // Allocate a temporary buffer to read information that is pointed
    // to by the cursor.
    if((pRecord = (RecordType *) malloc(1 * sizeof(RecordType))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return FALSE;
    }

    memset(pRecord, 0, sizeof(RecordType));

    // Set the Reset Variable to TRUE.
    bReset = TRUE;

    // Fill the structure with the record.
    GetData(hCur, pRecord);

    // Display the record.
    DispRec(pRecord);

    // Set the Reset Variable to FALSE.
    bReset = FALSE;
    SetControl(ID_MOD_REC, FALSE);
    SetControl(ID_UNDO_REC, FALSE);
    SetFNameFocus();
    free(pRecord);
    return TRUE;
}

//======================================================================
//  Name:   TableExist()
//
//  Input:  Char string that holds the table's FULL name and path (pCHAR).
//
//  Return: TRUE -  The table exists and IS NOT empty.
//          FALSE - The table is empty or does not exist.
//
//  Desc:   This routine takes in a table name and checks if the table
//          exists.  If it exists it checks if the table is empty.
//======================================================================
BOOL
TableExist (pCHAR pszTableInfo)
{
    BOOL    bRetVal;
    INT16   iExist = 0;
    hDBIDb  hDb;
    hDBICur hCur;

    // Create the full path string of the table.
    strcpy(pszTableInfo, szTblDirectory);
    strcat(pszTableInfo, "\\");
    strcat(pszTableInfo, szTblName);

    if(strcmpi(szTblType, szDBASE)==0)
    {
        strcat(pszTableInfo, ".dbf");
        strcat((pCHAR)szTblName, ".dbf");
    }
    else
    {
        strcat(pszTableInfo, ".db");
        strcat((pCHAR)szTblName, ".db");        
    }
    iExist = access(pszTableInfo, 00); // Check if the table exists
    if(iExist == -1)
    {
        bRetVal = FALSE;
    }
    else
    {
        OpenDB(&hDb, NULL, NULL, NULL);
        GetTable(hDb, &hCur);

        // Go to the top of the table and stay at the BOF crack.
        GoTop(hCur, FALSE);

        // If we are at the EOF as well we have an empty table.
        if(AtEOF(hCur))
        {
            bRetVal = FALSE;
        }
        else
        {
            bRetVal = TRUE;
        }
        
        // Close up and return the bool RetVal.
        CloseDb(&hDb);
    }

    return bRetVal;
}

//======================================================================
//  Name:   FillTable()
//
//  Input:  Cursor handle (hDBICur), and AddressBook Type (pCHAR).
//
//  Return: TRUE -  The record was added to the table.
//          FALSE - The record Structure allocation failed.
//
//  Desc:   This function fills the table with all the strings that are
//          in the resource file.
//======================================================================
BOOL
FillTable (hDBICur hCur, pCHAR pszABType)
{
    RecordType  *pRecord = NULL;
    UINT16      i;
    BOOL        bRet = FALSE;

    // Allocate a temporary buffer to read information sitting in
    // the resource file.
    if((pRecord = (RecordType *) malloc(1 * sizeof(RecordType))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return FALSE;
    }

    for(i=0; i<uNumRecs; i++)
    {
        memset(pRecord, 0, sizeof(RecordType));

        // Fill a structure with the data sitting in the resource file.
        if(FillStruct(pRecord, i, pszABType))
        {
            // Add the record to the table and insert it rather than
            // overwriting an old record (TRUE parameter).
            if(AddRecord(hCur, pRecord, TRUE)==DBIERR_NONE)
            {
                bRet = TRUE;
            }
        }
    }
    free(pRecord);
    return bRet;
}

//======================================================================
//  Name:   DispRec()
//
//  Input:  Record structure pointer (RecordType *).
//
//  Return: TRUE -  The record was displayed.
//
//  Desc:   This function displays the data in the record structure
//          into the main Window.
//======================================================================
BOOL DispRec(RecordType *pRecord)
{
    SetDlgItemText(hMainWnd, IDE_FIRST_NAME, pRecord->FName);
    SetDlgItemText(hMainWnd, IDE_LAST_NAME, pRecord->LName);
    SetDlgItemText(hMainWnd, IDE_SP_COMP, pRecord->Spouse);    
    SetDlgItemText(hMainWnd, IDE_ADDRESS1, pRecord->Addrs1);
    SetDlgItemText(hMainWnd, IDE_ADDRESS2, pRecord->Addrs2);
    SetDlgItemText(hMainWnd, IDE_CITY, pRecord->City);
    SetDlgItemText(hMainWnd, IDE_STATE, pRecord->State);
    SetDlgItemText(hMainWnd, IDE_ZIP, pRecord->Zip);
    SetDlgItemText(hMainWnd, IDE_PHONE1, pRecord->Phone1);
    SetDlgItemText(hMainWnd, IDE_PHONE2, pRecord->Phone2);
    SetDlgItemText(hMainWnd, IDE_LAST_DATE, pRecord->Date1);
    SetDlgItemText(hMainWnd, IDE_COMMENTS, pRecord->Comment);
    return TRUE;
}

//======================================================================
//  Name:   MoveRec()
//
//  Input:  Cursor handle (hDBICur) and Movement (INT16).
//
//  Return: None.
//
//  Desc:   This function moves the cursor to the bottom or the top
//          of the table.  Or it moves it a record forward or backwards.
//======================================================================
DBIResult
MoveRec (hDBICur hCur, INT16 iMovement)
{                                                                       
    // Check if data has been changed by looking at the status of the Undo
    // button.  Then ask if the user wishes to lose the data by moving.
    if(CanContinue("Data not saved move to next record anyway?",
                   ID_UNDO_REC))
    {

        HourGlassCursor(TRUE);
        switch(iMovement)
        {
            // These macros are defined in the header file.
            case TOP:
                GoTop(hCur, TRUE);
                break;
            case BOTTOM:
                GoBottom(hCur, TRUE);
                break;
            case NEXT_REC:
                if(!AtEOF(hCur))
                {
                    CHKERR(GetNextRec(hCur));
                }
                break;
            case PREV_REC:
                if(!AtBOF(hCur))
                {
                    GetPrevRec(hCur);
                }
                break;
            default:
                return DBIERR_NOTSUPPORTED;
        }

        // Check the navigational controls and display the current record.
        CheckButtons(hCur);
        DisplayTable(hCur);
    }
    else
    {
        SetFNameFocus();
    }

    HourGlassCursor(FALSE);

    return DBIERR_NONE;
}

//======================================================================
//  Name:   CheckButtons()
//
//  Input:  Cursor handle (hDBICur).
//
//  Return: None.
//
//  Desc:   This function checks the position of the cursor and then
//          enables or disables the naviagtional buttons AND menu options.
//======================================================================
void
CheckButtons (hDBICur hCur)
{
    if(AtEOF(hCur))
    {
        // If at EOF disable the Next and Last record buttons and
        // menu options.
        SetControl(ID_NEXT_REC, FALSE);
        SetControl(ID_LAST_REC, FALSE);
    }
    else
    {
        // Else enable them.
        SetControl(ID_NEXT_REC, TRUE);
        SetControl(ID_LAST_REC, TRUE);
    }

    if(AtBOF(hCur))
    {
        // If at BOF disable the Prev and First record buttons
        // and menu options.
        SetControl(ID_PREV_REC, FALSE);
        SetControl(ID_FIRST_REC, FALSE);
    }
    else
    {
        // Else enable them.
        SetControl(ID_PREV_REC, TRUE);
        SetControl(ID_FIRST_REC, TRUE);
    }

    // If the table is empty.
    if(AtBOF(hCur) && AtEOF(hCur))
    {
        if(GetPrevRec(hCur)==DBIERR_BOF && GetNextRec(hCur)==DBIERR_EOF)
        {
            SetControl(ID_DEL_REC, FALSE);
            SetControl(ID_ORDER, FALSE);
            SetControl(ID_RANGE, FALSE);
            SetControl(ID_SEARCH, FALSE);
        }
        else
        {
            SetControl(ID_DEL_REC, TRUE);
            SetControl(ID_ORDER, TRUE);
            SetControl(ID_RANGE, TRUE);
            SetControl(ID_SEARCH, TRUE);
        }
    }
    else
    {
        SetControl(ID_DEL_REC, TRUE);
        SetControl(ID_ORDER, TRUE);
        SetControl(ID_RANGE, TRUE);
        SetControl(ID_SEARCH, TRUE);
    }

    SetFNameFocus();
}

//======================================================================
//  Name:   SetupEdits()
//
//  Input:  None.
//
//  Return: None.
//
//  Desc:   This function sets the text input limit of each of the edit
//          controls that are in the main window.
//======================================================================
void
SetupEdits (void)
{
    // Use the constants -1 to allow room for the NULL terminator.
    SendDlgItemMessage(hMainWnd, IDE_FIRST_NAME, EM_LIMITTEXT,
                       (WPARAM)NAMELEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_LAST_NAME, EM_LIMITTEXT,
                       (WPARAM)NAMELEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_SP_COMP, EM_LIMITTEXT,
                       (WPARAM)ADDRESSLEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_COMMENTS, EM_LIMITTEXT,
                       (WPARAM)COMMENTLEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_ADDRESS1, EM_LIMITTEXT,
                       (WPARAM)ADDRESSLEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_ADDRESS2, EM_LIMITTEXT,
                       (WPARAM)ADDRESSLEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_CITY, EM_LIMITTEXT,
                       (WPARAM)CITYLEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_STATE, EM_LIMITTEXT,
                       (WPARAM)STATELEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_ZIP, EM_LIMITTEXT,
                       (WPARAM)ZIPLEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_PHONE1, EM_LIMITTEXT,
                       (WPARAM)PHONELEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_PHONE2, EM_LIMITTEXT,
                       (WPARAM)PHONELEN-1, 0L);
    SendDlgItemMessage(hMainWnd, IDE_LAST_DATE, EM_LIMITTEXT,
                       (WPARAM)DATELEN-1, 0L);

    // Disable the Cancel and OK buttons that are hidden.
    EnableWindow(GetDlgItem(hMainWnd, IDCANCEL), FALSE);
    EnableWindow(GetDlgItem(hMainWnd, IDOK), FALSE);
}

//======================================================================
//  Name:   SaveRec()
//
//  Input:  Cursor handle (hDBICur), Add or Overwrite bool (BOOL).
//
//  Return: TRUE:   If the memory is allocated.
//          FALSE:  If the memory allocation fails.
//
//  Desc:   This function takes the data from off the main window and
//          puts it in a record structure.  Then based upon the bAdd Bool
//          it inserts the record or overwrites the old record.
//======================================================================
BOOL
SaveRec (hDBICur hCur, BOOL bAdd)
{
    RecordType *pRecord=NULL;

    // Allocate a temporary buffer to store data that is inside the
    // main Window.
    if((pRecord = (RecordType *) malloc(1 * sizeof(RecordType))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return FALSE;
    }

    // Clear the record structure.
    memset(pRecord, 0, sizeof(RecordType));

    // Get the data from the main Window and put it into the record
    // structure.
    GetRec(pRecord);

    // Add the record or insert the record based upon the bAdd value.
    AddRecord(hCur, pRecord, bAdd);
    free(pRecord);
    CheckButtons(hCur);
    return TRUE;
}

//======================================================================
//  Name:   GetRec()
//
//  Input:  Record structure pointer (RecordType *).
//
//  Return: TRUE.
//
//  Desc:   This function fills the record structure with the data that
//          is in the main Window.
//======================================================================
BOOL
GetRec (RecordType *pRecord)
{
    GetDlgItemText(hMainWnd, IDE_FIRST_NAME, pRecord->FName, NAMELEN);
    GetDlgItemText(hMainWnd, IDE_LAST_NAME, pRecord->LName, NAMELEN);
    GetDlgItemText(hMainWnd, IDE_SP_COMP, pRecord->Spouse, ADDRESSLEN);
    GetDlgItemText(hMainWnd, IDE_ADDRESS1, pRecord->Addrs1, ADDRESSLEN);
    GetDlgItemText(hMainWnd, IDE_ADDRESS2, pRecord->Addrs2, ADDRESSLEN);
    GetDlgItemText(hMainWnd, IDE_CITY, pRecord->City, CITYLEN);
    GetDlgItemText(hMainWnd, IDE_STATE, pRecord->State, STATELEN);
    GetDlgItemText(hMainWnd, IDE_ZIP, pRecord->Zip, ZIPLEN);
    GetDlgItemText(hMainWnd, IDE_PHONE1, pRecord->Phone1, PHONELEN);
    GetDlgItemText(hMainWnd, IDE_PHONE2, pRecord->Phone2, PHONELEN);
    GetDlgItemText(hMainWnd, IDE_LAST_DATE, pRecord->Date1, DATELEN);
    GetDlgItemText(hMainWnd, IDE_COMMENTS, pRecord->Comment, COMMENTLEN);
    return TRUE;
}

//======================================================================
//  Name:   FillDropList()
//
//  Input:  Window Handle (HWND), Cursor handle(hDBICur), Database Handle
//          (hDBIDb), Resource ID (UINT16), and Active Index name (pCHAR).
//
//  Return: The name of presently active index on the AddressBook table.
//
//  Desc:   This function fills the combobox represented by Id with the all
//          names that are open on the table.  It also returns the name
//          of the currently active index inside of the pszActiveIndex
//          string.
//======================================================================
UINT16
FillDropList (HWND hWnd, UINT16 iId, UINT16 iNumIdxs, pABIDXDESC pABIdxDesc,
              pCHAR pszIndex)
{
    UINT16  i;      // used for loop counter
    UINT32  lOff;
    UINT32  lIndex;

    // Fill the combobox with all the index names that are listed in the
    // pABIdxDesc structure.
    for(i=0; i<iNumIdxs ; i++)
    {
        lOff = SendDlgItemMessage(hWnd, iId, CB_ADDSTRING, 0,
                                  (LPARAM)pABIdxDesc[i].szTagName);

        // Send the listbox item its data.  The data is the offset of the
        // index name inside of the index structure.
        SendDlgItemMessage(hWnd, iId, CB_SETITEMDATA,
                           (WPARAM)lOff, (LPARAM)i);
    }

    // Select the currently active index from the ComboBox.
    lOff=SendDlgItemMessage(hWnd, iId, CB_SELECTSTRING, (WPARAM)-1,
                            (LPARAM)pszIndex);

    lIndex=SendDlgItemMessage(hWnd, iId, CB_GETITEMDATA,
                              (WPARAM)lOff, 0L);
    // Set the description text into the static text box based upon
    // the active index's item data.
    if(iId == IDE_ORDER_COMBOBOX)
    {
         SetWindowText(GetDlgItem(hWnd, IDE_ORDER_INFO),
                                  pABIdxDesc[(UINT16)lIndex].szKeyExp);
    }

    // Return the current index's order inside the index structure array.
    return (UINT16)lIndex;

}

//======================================================================
//  Name:   SetFNameFocus()
//
//  Input:  None.
//
//  Return: None.
//
//  Desc:   This function sets focus to the First Name edit control of
//          the main Window.
//======================================================================
void
SetFNameFocus (void)
{
    SetFocus(GetDlgItem(hMainWnd, IDE_FIRST_NAME));
}

//======================================================================
//  Name:   DeleteRecord()
//
//  Input:  Cursor handle (hDBICur).
//
//  Return: TRUE:   If the record is deleted.
//          FALSE:  If the record is not deleted.
//
//  Desc:   This function simply deletes the record that the cursor is
//          pointing to.  It then moves forward one record to get off the
//          crack that the deleted record created.
//======================================================================
BOOL
DeleteRecord (hDBICur hCur)
{
    BOOL bFlag = TRUE;

    if(DeleteRec(hCur)!=DBIERR_NONE)
    {
        bFlag = FALSE;
    }

    if(!AtEOF(hCur))
    {
        GetNextRec(hCur);
    }
    else
    {
        if(!AtBOF(hCur))
        {
            GetPrevRec(hCur);
        }
    }

    // Display the current record.
    DisplayTable(hCur);
    CheckButtons(hCur);
    return bFlag;
}

//======================================================================
//  Name:   SetControl()
//
//  Input:  Id resource(UINT16), and Set bool(BOOL).
//
//  Return: None.
//
//  Desc:   This function sets the button and menu option of the Id to the
//          bool value.
//======================================================================
void
SetControl (UINT16 iId, BOOL bSetMod)
{
    if(bSetMod)
    {
        if(!IsWindowEnabled(GetDlgItem(hMainWnd, iId)))
        {
            EnableWindow(GetDlgItem(hMainWnd, iId), bSetMod);
            EnableMenuItem(GetMenu(hMainWnd), iId, MF_ENABLED);
        }
    }
    else
    {
        if(IsWindowEnabled(GetDlgItem(hMainWnd, iId)))
        {
            EnableWindow(GetDlgItem(hMainWnd, iId), bSetMod);
            EnableMenuItem(GetMenu(hMainWnd), iId, MF_GRAYED);
        }    
    }
}

//======================================================================
//  Name:   ClearDlg()
//
//  Input:  None.
//
//  Return: TRUE:   If the memory allocation was successful.
//          FALSE:  If the memory allocation was unsuccessful.
//
//  Desc:   This function clears all the edit controls in the main Window.
//======================================================================
BOOL
ClearDlg (void)
{
    RecordType *pRecord=NULL;

    // Allocate a temporary record structure to use in clearing the
    // main Window.
    if((pRecord = (RecordType *) malloc(1 * sizeof(RecordType))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return FALSE;
    }

    // Clear the record structure so that we display an empty structure.
    memset(pRecord, 0, sizeof(RecordType));

    // Display the empty structure so that we clear the main Window.
    DispRec(pRecord);
    SetFNameFocus();
    free(pRecord);
    return TRUE;
}

//======================================================================
//  Name:   Varified()
//
//  Input:  None.
//
//  Return: TRUE:   If the memory allocation was successful and if the
//                  data is valid.
//
//          FALSE:  If the memory allocation was unsuccessful, or if
//                  the data is not valid.
//
//  Desc:   This function varifies if the data in the edit controls
//          are valid.
//======================================================================
BOOL
Varified (void)
{
    struct      dosdate_t d;
    pCHAR       pszFName;
    pCHAR       pszLName;
    pCHAR       pDate;
    pCHAR       pVal;
    BOOL        bRetVal;
    UINT16      iFName;
    UINT16      iLName;
    DATE        TempDate;
    pFMTDate    pFmtDate;
    DBIResult   rslt;

    if((pszFName = (pCHAR) malloc(NAMELEN * sizeof(CHAR))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return FALSE;
    }

    if((pszLName = (pCHAR) malloc(NAMELEN * sizeof(CHAR))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        free(pszFName);
        return FALSE;
    }

    if((pDate = (pCHAR) malloc(DATELEN * sizeof(CHAR))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        free(pszFName);
        free(pszLName);
        return FALSE;
    }

    if((pFmtDate = (pFMTDate) malloc(sizeof(FMTDate))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        free(pszFName);
        free(pszLName);
        free(pDate);
        return FALSE;
    }

    rslt = GetDateFormat(pFmtDate);
    if(rslt!=DBIERR_NONE)
    {
        free(pszFName);
        free(pszLName);
        free(pDate);
        free(pFmtDate);
        return FALSE;
    }

    iFName = GetDlgItemText(hMainWnd, IDE_FIRST_NAME, pszFName, NAMELEN);
    iLName = GetDlgItemText(hMainWnd, IDE_LAST_NAME, pszLName, NAMELEN);

    // Check if there is data in the First and Last Name edit controls.
    if((iFName > 0) && (iLName >0))
    {
        bRetVal = TRUE;
    }
    else
    {
        bRetVal = FALSE;
    }

    GetDlgItemText(hMainWnd, IDE_LAST_DATE, pDate, DATELEN);

    // Need to convert the string to a Date structure
    pVal = strtok(pDate, pFmtDate->szDateSeparator);
    if(pVal && bRetVal)
    {
        d.month = atoi(pVal);
        pVal = strtok(NULL, pFmtDate->szDateSeparator);
        if(pVal && bRetVal)
        {
            d.day = atoi(pVal);
            pVal = strtok(NULL, pFmtDate->szDateSeparator);
            if(pVal && bRetVal)
            {
                d.year = atoi(pVal);
            }
            else
            {
                bRetVal = FALSE;
            }
        }
        else
        {
            bRetVal = FALSE;
        }

    }
    else
    {
        bRetVal = FALSE;
    }

    if(bRetVal)
    {
        // Check if the date is legal.
        rslt = DateEncode(d.month, d.day, d.year, &TempDate);
        if(rslt == DBIERR_NONE)
        {
            bRetVal = TRUE;
        }
        else
        {
            bRetVal = FALSE;
        }
    }

    free(pszFName);
    free(pszLName);
    free(pDate);
    free(pFmtDate);

    return bRetVal;
}

//======================================================================
//  Name:   SetDefaultDate()
//
//  Input:  None.
//
//  Return: None.
//
//  Desc:   This function puts the current date into the Last Date edit
//          control so that we have a valid date to start.
//======================================================================
DBIResult
SetDefaultDate (void)
{
    struct      dosdate_t d;
    pFMTDate    pFmtDate;
    CHAR        szDateString[DATELEN];

    if((pFmtDate = (pFMTDate) malloc(sizeof(FMTDate))) == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return DBIERR_NOMEMORY;
    }

    CHKERR(GetDateFormat(pFmtDate));
    _dos_getdate(&d);

    if(pFmtDate->iDateMode==0)
    {
        wsprintf(szDateString, "%02d%s%02d%s%02d", d.month,
            pFmtDate->szDateSeparator, d.day, pFmtDate->szDateSeparator,
            d.year);
    }

    if(pFmtDate->iDateMode==1)
    {
        wsprintf(szDateString, "%02d%s%02d%s%02d", d.day,
            pFmtDate->szDateSeparator, d.month, pFmtDate->szDateSeparator,
            d.year);
    }

    if(pFmtDate->iDateMode==2)
    {
        wsprintf(szDateString, "%02d%s%02d%s%02d", d.year,
            pFmtDate->szDateSeparator, d.month, pFmtDate->szDateSeparator,
            d.day);
    }

    SetDlgItemText(hMainWnd, IDE_LAST_DATE, szDateString);
    free(pFmtDate);
    return DBIERR_NONE;
}

//======================================================================
//  Name:   EndNewRec()
//
//  Input:  Cursor handle (hDBICur).
//
//  Return: None.
//
//  Desc:   This function is called during the end of the Add new person
//          function.  It changes the current state of the NewRecMode
//          global variable.  Then it checks the navigational controls
//          and sets focus unto the First Name edit control.
//======================================================================
void
EndNewRec (hDBICur hCur)
{
    ChangeEntryMode(hCur);
    DisplayTable(hCur);
    CheckButtons(hCur);
    SetFNameFocus();
}

//======================================================================
//  Name:   PutField()
//
//  Input:  Record structure pointer (RecordType *), pointer to the input
//          text (pCHAR), and Array element number (UINT16).
//
//  Return: None.
//
//  Desc:   This function puts input text into the correct field of the
//          record structure pointer based upon MemberNum.
//======================================================================
void
PutField (RecordType *pRec, pCHAR pszText, UINT16 iMemberNum)
{

    switch(iMemberNum)
    {
        case 0:
            strcpy(pRec->FName, pszText);
            break;
        case 1:
            strcpy(pRec->LName, pszText);
            break;
        case 2:
            strcpy(pRec->Spouse, pszText);
            break;
        case 3:
            strcpy(pRec->Addrs1, pszText);
            break;
        case 4:
            strcpy(pRec->Addrs2, pszText);
            break;
        case 5:
            strcpy(pRec->City, pszText);
            break;
        case 6:
            strcpy(pRec->State, pszText);
            break;
        case 7:
            strcpy(pRec->Zip, pszText);
            break;
        case 8:
            strcpy(pRec->Phone1, pszText);
            break;
        case 9:
            strcpy(pRec->Phone2, pszText);
            break;
        case 10:
            strcpy(pRec->Date1, pszText);
            break;
    }
}

//======================================================================
//  Name:   GetField()
//
//  Input:  Record structure pointer (RecordType *), pointer to the input
//          text (pCHAR), and Array element number (UINT16).
//
//  Return: None.
//
//  Desc:   This function gets data from the field in the record structure,
//          based upon the input variable - MemberNum.
//======================================================================
void
GetField (RecordType *pRec, pCHAR pszText, UINT16 iMemberNum)
{
    switch(iMemberNum)
    {
        case 0:
            strcpy(pszText, pRec->FName);
            break;
        case 1:
            strcpy(pszText, pRec->LName);
            break;
        case 2:
            strcpy(pszText, pRec->Spouse);
            break;
        case 3:
            strcpy(pszText, pRec->Addrs1);
            break;
        case 4:
            strcpy(pszText, pRec->Addrs2);
            break;
        case 5:
            strcpy(pszText, pRec->City);
            break;
        case 6:
            strcpy(pszText, pRec->State);
            break;
        case 7:
            strcpy(pszText, pRec->Zip);
            break;
        case 8:
            strcpy(pszText, pRec->Phone1);
            break;
        case 9:
            strcpy(pszText, pRec->Phone2);
            break;
        case 10:
            strcpy(pszText, pRec->Date1);
            break;
    }
}


//======================================================================
//  Name:   GetCond()
//
//  Input:  Handle to the window that has the check boxes.
//
//  Return: Which check box is checked.
//
//  Desc:   This function simply returns a number based upon which check
//          box is checked.
//======================================================================
DBISearchCond
GetCond (HWND hWnd)
{
    DBISearchCond   eRet;
    UINT32          iCond=0;
    UINT16          i=IDC_GREATEREQ;

    while(iCond!=1)
    {
        iCond = SendDlgItemMessage(hWnd, i, BM_GETCHECK, 0, 0L);
        i++;
    }

    // Subtract 1 to counteract the last i++
    i--;

    switch(i)
    {
        case IDC_EQUAL:
            eRet = keySEARCHEQ;
            break;
        case IDC_GREATER:
            eRet = keySEARCHGT;
            break;
        case IDC_GREATEREQ:
            eRet = keySEARCHGEQ;
            break;
    }

    return eRet;
}

//======================================================================
//  Name:   CanContinue()
//
//  Input:  Pointer to the string that is to be displayed (pCHAR), and
//          a resource ID (UINT16).
//
//  Return: If the resource is enabled, then it returns the user's response.
//          Otherwise, it returns a TRUE.
//
//  Desc:   This function checks if the Id is enabled.  If it is then it
//          prompts the user with the pString and returns the response.
//          Otherwise it returns a TRUE.
//======================================================================
BOOL
CanContinue (pCHAR pszString, UINT16 iId)
{
    BOOL bRetVal = TRUE;

    // Check to see if the button is enabled.
    if(IsWindowEnabled(GetDlgItem(hMainWnd, iId)))
    {
        if(WinMsg(pszString, MB_ICONHAND, MB_YESNO) == IDNO)
        {
            bRetVal = FALSE;
        }
    }
    return bRetVal;
}

//=========================================================================
//  Function:   FillAliasCBBox()
//
//  Input:      Pointer to the Alias Structures(pDBDesc), Number of aliases
//              (UINT32), and the Combo Box's ID to fill (UINT16)
//
//  Returns:    None
//
//  Desc:       This function is used to fill the CB whose ID is CBId.  The
//              CB is filled with the Aliases that are available to the
//              client.
//=========================================================================
void
FillAliasCBBox (pDBDesc pAliases, UINT32 lNumAliases, UINT16 iCBId,
                HWND hWnd)
{
    UINT16  i;
    UINT32  lSel;
    CHAR    szString[]="NULL - Std Tables";

    // First put all the aliases into the CB.
    for(i=0; i<(UINT16)lNumAliases; i++)
    {
        SendMessage(GetDlgItem(hWnd, iCBId), CB_ADDSTRING, 0,
                    (LPARAM)pAliases[i].szName);
    }

    // Now add the NULL alias which is the local tables.
    SendMessage(GetDlgItem(hWnd, iCBId), CB_ADDSTRING, 0, (LPARAM)szString);

    // Now get the Paradox item number and display Paradox in the Alias CB.
    lSel = SendMessage(GetDlgItem(hWnd, iCBId), CB_FINDSTRING, (WPARAM)-1,
                       (LPARAM)szString);
    SendMessage(GetDlgItem(hWnd, iCBId), CB_SETCURSEL, (UINT16)lSel, 0L);
}

//=========================================================================
//  Function:   FillFileList()
//
//  Input:      Window handle(HWND), Number of tables to display (UINT32),
//              Handle of the database (hDBIDb).
//
//  Returns:    TRUE if the names of the table are uppercase on the server.
//              FALSE if the names of the table are lowercase on the server.
//
//  Desc:       This function is used to fill the listbox whose ID is LBId
//              with all the table names who are available to the database
//              (hDb).  We use this to fill the list box in the common
//              dialogbox with all the table names in the remote database.
//=========================================================================
BOOL
FillFileList (HWND hWnd, UINT16 iLBId, hDBIDb hDb)
{
    hDBICur     hTblCur;
    BOOL        bRet = TRUE;
    TBLBaseDesc baseDesc;

    HourGlassCursor(TRUE);

    GetTableList(hDb, &hTblCur);

    // Go to the top of the table.
    GoTop(hTblCur, FALSE);

    // Put all the Tablenames into the Filelist.
    while((GetNextTblRec(hTblCur, &baseDesc))!=DBIERR_EOF)
    {
        SendMessage(GetDlgItem(hWnd, iLBId), LB_ADDSTRING, 0,
                    (LPARAM)baseDesc.szName);
    }

    if(islower(baseDesc.szName[0]))
    {
        bRet = FALSE;
    }

    CloseTable(&hTblCur);

    HourGlassCursor(FALSE);

    return bRet;
}

//=========================================================================
//  Function:   SetFieldNames()
//
//  Input:      Cursor handle (hDBICur).
//
//  Returns:    None
//
//  Desc:       This function is used to set the field names into the dialog
//              box.  It gets the field names and displays them in proper
//              format with a trailing :.
//=========================================================================
void
SetFieldNames (hDBICur hCur)
{
    UINT16          i;
    pFIELDName      pFieldNames;
    CHAR            szName[DBIMAXTBLNAMELEN];

    if((pFieldNames = (pFIELDName) malloc(sizeof(FIELDNAME) * uNumFields))
                    == NULL)
    {
        WinMsg("You have run out of memory!", MB_ICONHAND, MB_OK);
        return;
    }

    // Get the field names and the amount of fields.
    GetFldNames(hCur, pFieldNames);

    for(i=0; i<uNumFields; i++)
    {
        strcat(pFieldNames[i].FieldName, ":");
    }

    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD1),
                  Proper(pFieldNames[0].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD2),
                  Proper(pFieldNames[1].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD3),
                  Proper(pFieldNames[2].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD4),
                  Proper(pFieldNames[3].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD5),
                  Proper(pFieldNames[4].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD6),
                  Proper(pFieldNames[5].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD7),
                  Proper(pFieldNames[6].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD8),
                  Proper(pFieldNames[7].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD9),
                  Proper(pFieldNames[8].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD10),
                  Proper(pFieldNames[9].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD11),
                  Proper(pFieldNames[10].FieldName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_FIELD12),
                  Proper(pFieldNames[11].FieldName));

    memset(szName, 0, DBIMAXTBLNAMELEN);
    strcpy(szName, szTblName);
    SetWindowText(GetDlgItem(hMainWnd, IDS_TABLENAME),
                  Proper((pCHAR)szName));
    SetWindowText(GetDlgItem(hMainWnd, IDS_DBTYPE), (pCHAR)szTblType);

    free(pFieldNames);
}

//=========================================================================
//  Function:   Proper()
//
//  Input:      String to properize (pCHAR).
//
//  Returns:    Properized string (pCHAR).
//
//  Desc:       This function is used to change the case of a string.  When
//              the function returns the string - the string will have its
//              first letter put into uppercase while the rest of the
//              letters will be in lowercase.
//=========================================================================
pCHAR
Proper(pCHAR pszString)
{
    CHAR    szFirst[3];

    // First set all the letters lowercase.
    strlwr(pszString);

    // Next clear the temporary string.
    memset(szFirst, '\0', 3);

    // Next get first letter in the string to convert into uppercase.
    szFirst[0] = pszString[0];

    strcat(szFirst, " \0");

    // Uppercase the temporary string.
    strupr(szFirst);

    // Copy the first letter of the temporary string into the first letter
    // of the string to convert.
    pszString[0] = szFirst[0];

    return pszString;
}


//=========================================================================
//  Function:   SetAll()
//
//  Input:      Action to take (BOOL).
//
//  Returns:    None.
//
//  Desc:       This function is used to set the various controls off or on,
//              based upon the the value sent in.
//=========================================================================
void
SetAll(BOOL bAction)
{
    SetControl(ID_FIRST_REC, bAction);
    SetControl(ID_PREV_REC, bAction);
    SetControl(ID_NEXT_REC, bAction);
    SetControl(ID_LAST_REC, bAction);
    SetControl(ID_ADD_REC, bAction);
    SetControl(ID_DEL_REC, bAction);
    SetControl(ID_MOD_REC, bAction);
    SetControl(ID_ORDER, bAction);
    SetControl(ID_RANGE, bAction);
    EnableMenuItem(GetMenu(hMainWnd), ID_CLEAR_RANGE, MF_GRAYED);
    if(bAction)
    {
        EnableMenuItem(GetMenu(hMainWnd), ID_DELETETABLE, MF_ENABLED);
    }
    else
    {
        EnableMenuItem(GetMenu(hMainWnd), ID_DELETETABLE, MF_GRAYED);
        SetWindowText(GetDlgItem(hMainWnd, IDS_TABLENAME), (pCHAR)"");
        SetWindowText(GetDlgItem(hMainWnd, IDS_DBTYPE), (pCHAR)"");
    }
    SetControl(ID_SEARCH, bAction);
    SetControl(ID_UNDO_REC, bAction);
}

//======================================================================
//  Name:   HourGlassCursor()
//
//  Input:  turnOn  - Turn on or off the Hourglass cursor
//
//  Return: TRUE
//
//  Description:
//          Turns the hourglass cursor on or off according to value
//          specified in turnOn.
//======================================================================
BOOL 
HourGlassCursor (BOOL bTurnOn)
{
    if (bTurnOn)
    {
       if (SetCursor(LoadCursor(NULL, IDC_WAIT)))
       {
           ShowCursor(TRUE);
       }
    }
    else
    {
        if (SetCursor(LoadCursor(NULL, IDC_ARROW)))
        {
            ShowCursor(TRUE);
        }
    }
    return TRUE;
}