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about.c
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about.c
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/* ABOUT.C 2.1 7-17-95 */
#define INCL_WIN
#define INCL_DOS
#define INCL_SUB
#include <os2.h>
#include <stdio.h>
#include <dos.h>
#include <stdlib.h>
#include <string.h>
#include <io.h>
#include <direct.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys\stat.h>
#include <process.h>
#include "paddef.h"
VOID about(HWND hwndDlg);
VOID aboutR(HWND hwndDlg);
VOID helpText(HWND hwndDlg);
LONG loadFile (char *fn);
MRESULT EXPENTRY aboutProc( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 );
MRESULT EXPENTRY aboutProcR( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 );
MRESULT EXPENTRY helpProc( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 );
PVOID iobuf;
VOID aboutR(HWND hwndDlg)
{
WinDlgBox(
HWND_DESKTOP,
hwndDlg,
aboutProcR,
(HMODULE)0,
ID_ABOUTR,
NULL);
}
VOID about(HWND hwndDlg)
{
WinDlgBox(
HWND_DESKTOP,
hwndDlg,
aboutProc,
(HMODULE)0,
ID_ABOUT,
NULL);
}
VOID helpText(HWND hwndDlg)
{
WinDlgBox(
HWND_DESKTOP,
hwndDlg,
helpProc,
(HMODULE)0,
ID_HELPBOX,
NULL);
}
MRESULT EXPENTRY aboutProcR( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 )
{
INT i;
switch ( msg )
{
case WM_INITDLG:
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
case WM_COMMAND:
switch( SHORT1FROMMP( mp1 ) )
{
case DID_CANCEL :
WinShowWindow(WinWindowFromID(hwndDlg, DID_CANCEL), FALSE);
for( i=0;i<4;i++ )
{
WinShowWindow(WinWindowFromID(hwndDlg, ID_BEGSCREEN), FALSE);
DosSleep(200);
WinShowWindow(WinWindowFromID(hwndDlg, ID_BEGSCREEN), TRUE);
DosSleep(200);
}
WinDismissDlg( hwndDlg, TRUE );
break;
default :
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
}
break;
default :
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
}
return (MRESULT) FALSE;
}
MRESULT EXPENTRY aboutProc( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 )
{
INT i;
switch ( msg )
{
case WM_INITDLG:
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
case WM_COMMAND:
switch( SHORT1FROMMP( mp1 ) )
{
case DID_CANCEL :
WinDismissDlg( hwndDlg, TRUE );
break;
default :
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
}
break;
default :
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
}
return (MRESULT) FALSE;
}
MRESULT EXPENTRY helpProc( HWND hwndDlg, ULONG msg,
MPARAM mp1, MPARAM mp2 )
{
LONG bytes;
IPT ipt;
switch ( msg )
{
case WM_INITDLG:
WinSendMsg (WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETTEXTLIMIT,
MPFROMLONG (30000L), (MPARAM) 0L);
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETTEXTCOLOR,
MPFROMLONG (CLR_DARKBLUE), 0L);
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETBACKCOLOR,
MPFROMLONG (CLR_WHITE), 0L);
bytes = loadFile("DataPad.DOC");
if( bytes <= 0 )
{
DosFreeMem(iobuf);
WinDismissDlg( hwndDlg, TRUE );
}
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_SETIMPORTEXPORT,
(MPARAM) iobuf,
MPFROMLONG(bytes));
ipt = -1;
WinSendMsg(WinWindowFromID(hwndDlg, ID_HELPENTRY),
MLM_IMPORT,
(MPARAM)&ipt,
MPFROMLONG(bytes));
DosFreeMem(iobuf);
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
default :
return WinDefDlgProc( hwndDlg, msg, mp1, mp2 );
}
}
LONG loadFile (char *fn)
{
HFILE file; /* handle */
ULONG ac; /* action code (from DosOpen) */
APIRET rc; /* return code (from API functions) */
ULONG rd; /* bytes actually read */
ULONG cbSize; /* file size in bytes */
ULONG dummy; /* used when seeking back to beginning of file */
/* try to open existing file -- access */
rc = DosOpen (fn, &file, &ac, 0, 0,
OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_FLAGS_SEQUENTIAL |
OPEN_SHARE_DENYNONE |
OPEN_ACCESS_READONLY,
0);
if (rc != 0) /* failed */
return (0);
DosChgFilePtr (file, 0L, 2, &cbSize); /* determine file size */
if (cbSize > 30000L)
{
DosBeep(3700, 100);
DosClose (file);
return (-1);
}
DosChgFilePtr (file, 0L, 0, &dummy); /* reset pointer to beginning */
rc = DosAllocMem(&iobuf, /* Allocate memory object */
(INT)cbSize, /* Size of memory object */
PAG_COMMIT | /* Commit memory immediately */
PAG_READ | /* Allow read access */
PAG_WRITE); /* Allow write access */
if (rc != 0)
return (0);
/* read entire file into buffer */
DosRead (file, iobuf, cbSize, &rd);
DosClose (file);
return (LONG)cbSize;
}