#include <windows.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("HexCalc") ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = DLGWINDOWEXTRA ; // Note!
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (hInstance, szAppName) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateDialog (hInstance, szAppName, 0, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
void ShowNumber (HWND hwnd, UINT iNumber)
{
TCHAR szBuffer[20] ;
wsprintf (szBuffer, TEXT ("%X"), iNumber) ;
SetDlgItemText (hwnd, VK_ESCAPE, szBuffer) ;
}
DWORD CalcIt (UINT iFirstNum, int iOperation, UINT iNum)
{
switch (iOperation)
{
case '=': return iNum ;
case '+': return iFirstNum + iNum ;
case '-': return iFirstNum - iNum ;
case '*': return iFirstNum * iNum ;
case '&': return iFirstNum & iNum ;
case '|': return iFirstNum | iNum ;
case '^': return iFirstNum ^ iNum ;
case '<': return iFirstNum << iNum ;
case '>': return iFirstNum >> iNum ;
case '/': return iNum ? iFirstNum / iNum: MAXDWORD ;
case '%': return iNum ? iFirstNum % iNum: MAXDWORD ;
default : return 0 ;
}
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static BOOL bNewNumber = TRUE ;
static int iOperation = '=' ;
static UINT iNumber, iFirstNum ;
HWND hButton ;
switch (message)
{
case WM_KEYDOWN: // left arrow --> backspace
if (wParam != VK_LEFT)
break ;
wParam = VK_BACK ;
// fall through
case WM_CHAR:
if ((wParam = (WPARAM) CharUpper ((TCHAR *) wParam)) == VK_RETURN)
wParam = '=' ;
if (hButton = GetDlgItem (hwnd, wParam))
{
SendMessage (hButton, BM_SETSTATE, 1, 0) ;
Sleep (100) ;
SendMessage (hButton, BM_SETSTATE, 0, 0) ;
}
else
{
MessageBeep (0) ;
break ;
}
// fall through
case WM_COMMAND:
SetFocus (hwnd) ;
if (LOWORD (wParam) == VK_BACK) //backspace
ShowNumber (hwnd, iNumber /= 16) ;
else if (LOWORD (wParam) == VK_ESCAPE) // escape
ShowNumber (hwnd, iNumber = 0) ;
else if (isxdigit (LOWORD (wParam))) // hex digit
{
if (bNewNumber)
{
iFirstNum = iNumber ;
iNumber = 0 ;
}
bNewNumber = FALSE ;
if (iNumber <= MAXDWORD >> 4)
ShowNumber (hwnd, iNumber = 16 * iNumber + wParam -
(isdigit (wParam) ? '0': 'A' - 10)) ;
else
MessageBeep (0) ;
}
else // operation
{
if (!bNewNumber)
ShowNumber (hwnd, iNumber =
CalcIt (iFirstNum, iOperation, iNumber)) ;
bNewNumber = TRUE ;
iOperation = LOWORD (wParam) ;
}
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
//.RC
//Microsoft Developer Studio generated resource script.
//
#include "resrc1.h"
#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
// Chinese (中国) resources
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_CHS)
#ifdef _WIN32
LANGUAGE LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED
#pragma code_page(936)
#endif //_WIN32
/////////////////////////////////////////////////////////////////////////////
//
// Dialog
//
HEXCALC DIALOG DISCARDABLE 65535, 65535, 102, 122
STYLE WS_MINIMIZEBOX | WS_CAPTION | WS_SYSMENU
CAPTION "Hex Calculator"
CLASS "HexCalc"
BEGIN
PUSHBUTTON "D",68,8,24,14,14
PUSHBUTTON "A",65,8,40,14,14
PUSHBUTTON "7",55,8,56,14,14
PUSHBUTTON "4",52,8,72,14,14
PUSHBUTTON "1",49,8,88,14,14
PUSHBUTTON "0",48,8,104,14,14
PUSHBUTTON "0",27,26,4,50,14
PUSHBUTTON "E",69,26,24,14,14
PUSHBUTTON "B",66,26,40,14,14
PUSHBUTTON "8",56,26,56,14,14
PUSHBUTTON "5",53,26,72,14,14
PUSHBUTTON "2",50,26,88,14,14
PUSHBUTTON "Back",8,26,104,32,14
PUSHBUTTON "C",67,44,40,14,14
PUSHBUTTON "F",70,44,24,14,14
PUSHBUTTON "9",57,44,56,14,14
PUSHBUTTON "6",54,44,72,14,14
PUSHBUTTON "3",51,44,88,14,14
PUSHBUTTON "+",43,62,24,14,14
PUSHBUTTON "-",45,62,40,14,14
PUSHBUTTON "*",42,62,56,14,14
PUSHBUTTON "/",47,62,72,14,14
PUSHBUTTON "%",37,62,88,14,14
PUSHBUTTON "Equals",61,62,104,32,14
PUSHBUTTON "&&",38,80,24,14,14
PUSHBUTTON "|",124,80,40,14,14
PUSHBUTTON "^",94,80,56,14,14
PUSHBUTTON "<",60,80,72,14,14
PUSHBUTTON ">",62,80,88,14,14
END
#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//
1 TEXTINCLUDE DISCARDABLE
BEGIN
"resrc1.h\0"
END
2 TEXTINCLUDE DISCARDABLE
BEGIN
"#include ""resource.h""\r\n"
"#include ""afxres.h""\r\n"
"\0"
END
3 TEXTINCLUDE DISCARDABLE
BEGIN
"\r\n"
"\0"
END
#endif // APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Icon
//
// Icon with lowest ID value placed first to ensure application icon
// remains consistent on all systems.
HexCalc ICON DISCARDABLE "HexCalc.ico"
#endif // Chinese (中国) resources
/////////////////////////////////////////////////////////////////////////////
#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//
/////////////////////////////////////////////////////////////////////////////
#endif // not APSTUDIO_INVOKED
