/******************************************************************************
|
Module: CmnHdr.h
|
Notices: Copyright (c) 2000 Jeffrey Richter
|
Purpose: Common header file containing handy macros and definitions
|
used throughout all the applications in the book.
|
See Appendix A.
|
******************************************************************************/
|
|
|
#pragma once // Include this header file once per compilation unit
|
|
|
//////////////////////// Windows Version Build Option /////////////////////////
|
|
|
#define _WIN32_WINNT 0x0500
|
//#define WINVER 0x0500
|
|
|
//////////////////////////// Unicode Build Option /////////////////////////////
|
|
|
// If we are not compiling for an x86 CPU, we always compile using Unicode.
|
#ifndef _M_IX86
|
#define UNICODE
|
#endif
|
|
// To compile using Unicode on the x86 CPU, uncomment the line below.
|
//#define UNICODE
|
|
// When using Unicode Windows functions, use Unicode C-Runtime functions too.
|
#ifdef UNICODE
|
#define _UNICODE
|
#endif
|
|
|
///////////////////////// Include Windows Definitions /////////////////////////
|
|
|
#pragma warning(push, 3)
|
#include <Windows.h>
|
#pragma warning(pop)
|
#pragma warning(push, 4)
|
|
|
///////////// Verify that the proper header files are being used //////////////
|
|
|
#ifndef WT_EXECUTEINPERSISTENTIOTHREAD
|
#pragma message("You are not using the latest Platform SDK header/library ")
|
#pragma message("files. This may prevent the project from building correctly.")
|
#endif
|
|
|
////////////// Allow code to compile cleanly at warning level 4 ///////////////
|
|
|
/* nonstandard extension 'single line comment' was used */
|
#pragma warning(disable:4001)
|
|
// unreferenced formal parameter
|
#pragma warning(disable:4100)
|
|
// Note: Creating precompiled header
|
#pragma warning(disable:4699)
|
|
// function not inlined
|
#pragma warning(disable:4710)
|
|
// unreferenced inline function has been removed
|
#pragma warning(disable:4514)
|
|
// assignment operator could not be generated
|
#pragma warning(disable:4512)
|
|
|
///////////////////////// Pragma message helper macro /////////////////////////
|
|
|
/*
|
When the compiler sees a line like this:
|
#pragma chMSG(Fix this later)
|
|
it outputs a line like this:
|
|
c:\CD\CmnHdr.h(82):Fix this later
|
|
You can easily jump directly to this line and examine the surrounding code.
|
*/
|
|
#define chSTR2(x) #x
|
#define chSTR(x) chSTR2(x)
|
#define chMSG(desc) message(__FILE__ "(" chSTR(__LINE__) "):" #desc)
|
|
|
////////////////////////////// chINRANGE Macro ////////////////////////////////
|
|
|
// This macro returns TRUE if a number is between two others
|
#define chINRANGE(low, Num, High) (((low) <= (Num)) && ((Num) <= (High)))
|
|
|
//////////////////////////////// chDIMOF Macro ////////////////////////////////
|
|
|
// This macro evaluates to the number of elements in an array.
|
#define chDIMOF(Array) (sizeof(Array) / sizeof(Array[0]))
|
|
|
///////////////////////////// chBEGINTHREADEX Macro ///////////////////////////
|
|
|
// This macro function calls the C runtime's _beginthreadex function.
|
// The C runtime library doesn't want to have any reliance on Windows' data
|
// types such as HANDLE. This means that a Windows programmer needs to cast
|
// values when using _beginthreadex. Since this is terribly inconvenient,
|
// I created this macro to perform the casting.
|
typedef unsigned (__stdcall *PTHREAD_START) (void *);
|
|
#define chBEGINTHREADEX(psa, cbStack, pfnStartAddr, \
|
pvParam, fdwCreate, pdwThreadId) \
|
((HANDLE)_beginthreadex( \
|
(void *) (psa), \
|
(unsigned) (cbStack), \
|
(PTHREAD_START) (pfnStartAddr), \
|
(void *) (pvParam), \
|
(unsigned) (fdwCreate), \
|
(unsigned *) (pdwThreadId)))
|
|
|
////////////////// DebugBreak Improvement for x86 platforms ///////////////////
|
|
|
#ifdef _X86_
|
#define DebugBreak() _asm { int 3 }
|
#endif
|
|
|
/////////////////////////// Software Exception Macro //////////////////////////
|
|
|
// Useful macro for creating your own software exception codes
|
#define MAKESOFTWAREEXCEPTION(Severity, Facility, Exception) \
|
((DWORD) ( \
|
/* Severity code */ (Severity ) | \
|
/* MS(0) or Cust(1) */ (1 << 29) | \
|
/* Reserved(0) */ (0 << 28) | \
|
/* Facility code */ (Facility << 16) | \
|
/* Exception code */ (Exception << 0)))
|
|
|
/////////////////////////// Quick MessageBox Macro ////////////////////////////
|
|
|
inline void chMB(PCSTR s) {
|
char szTMP[128];
|
GetModuleFileNameA(NULL, szTMP, chDIMOF(szTMP));
|
MessageBoxA(GetActiveWindow(), s, szTMP, MB_OK);
|
}
|
|
|
//////////////////////////// Assert/Verify Macros /////////////////////////////
|
|
|
inline void chFAIL(PSTR szMsg) {
|
chMB(szMsg);
|
DebugBreak();
|
}
|
|
|
// Put up an assertion failure message box.
|
inline void chASSERTFAIL(LPCSTR file, int line, PCSTR expr) {
|
char sz[128];
|
wsprintfA(sz, "File %s, line %d : %s", file, line, expr);
|
chFAIL(sz);
|
}
|
|
|
// Put up a message box if an assertion fails in a debug build.
|
#ifdef _DEBUG
|
#define chASSERT(x) if (!(x)) chASSERTFAIL(__FILE__, __LINE__, #x)
|
#else
|
#define chASSERT(x)
|
#endif
|
|
|
// Assert in debug builds, but don't remove the code in retail builds.
|
#ifdef _DEBUG
|
#define chVERIFY(x) chASSERT(x)
|
#else
|
#define chVERIFY(x) (x)
|
#endif
|
|
|
/////////////////////////// chHANDLE_DLGMSG Macro /////////////////////////////
|
|
|
// The normal HANDLE_MSG macro in WindowsX.h does not work properly for dialog
|
// boxes because DlgProc return a BOOL instead of an LRESULT (like
|
// WndProcs). This chHANDLE_DLGMSG macro corrects the problem:
|
#define chHANDLE_DLGMSG(hwnd, message, fn) \
|
case (message): return (SetDlgMsgResult(hwnd, uMsg, \
|
HANDLE_##message((hwnd), (wParam), (lParam), (fn))))
|
|
|
//////////////////////// Dialog Box Icon Setting Macro ////////////////////////
|
|
|
// Sets the dialog box icons
|
inline void chSETDLGICONS(HWND hwnd, int idi) {
|
SendMessage(hwnd, WM_SETICON, TRUE, (LPARAM)
|
LoadIcon((HINSTANCE) GetWindowLong(hwnd, GWL_HINSTANCE),
|
MAKEINTRESOURCE(idi)));
|
SendMessage(hwnd, WM_SETICON, FALSE, (LPARAM)
|
LoadIcon((HINSTANCE) GetWindowLong(hwnd, GWL_HINSTANCE),
|
MAKEINTRESOURCE(idi)));
|
}
|
|
|
/////////////////////////// OS Version Check Macros ///////////////////////////
|
|
|
inline void chWindows9xNotAllowed()
|
{
|
OSVERSIONINFO vi = { sizeof(vi) };
|
GetVersionEx(&vi);
|
if (vi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
|
{
|
chMB("This application requires features not present in Windows 9x.");
|
ExitProcess(0);
|
}
|
}
|
|
|
inline void chWindows2000Required() {
|
OSVERSIONINFO vi = { sizeof(vi) };
|
GetVersionEx(&vi);
|
if ((vi.dwPlatformId != VER_PLATFORM_WIN32_NT) && (vi.dwMajorVersion < 5)) {
|
chMB("This application requires features present in Windows 2000.");
|
ExitProcess(0);
|
}
|
}
|
|
|
///////////////////////////// UNICODE Check Macro /////////////////////////////
|
|
|
// Since Windows 98 does not support Unicode, issue an error and terminate
|
// the process if this is a native Unicode build running on Windows 98
|
|
// This is accomplished by creating a global C++ object. Its constructor is
|
// executed before WinMain.
|
|
#ifdef UNICODE
|
|
class CUnicodeSupported {
|
public:
|
CUnicodeSupported() {
|
if (GetWindowsDirectoryW(NULL, 0) <= 0) {
|
chMB("This application requires an OS that supports Unicode.");
|
ExitProcess(0);
|
}
|
}
|
};
|
|
// "static" stops the linker from complaining that multiple instances of the
|
// object exist when a single project contains multiple source files.
|
static CUnicodeSupported g_UnicodeSupported;
|
|
#endif
|
|
|
/////////////////////////// Force Windows subsystem ///////////////////////////
|
|
|
#pragma comment(linker, "/subsystem:Windows")
|
|
|
///////////////////////////////// End of File /////////////////////////////////
|