Source code of Windows XP (NT5)
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167 lines
2.9 KiB

/**********/
/* util.c */
/**********/
#define _WINDOWS
#include <windows.h>
#include <port1632.h>
#include "snake.h"
#include "res.h"
#include "pref.h"
#include "util.h"
#include "string.h"
#include "stdio.h"
#include "stdlib.h"
#include "dos.h"
extern INT dypBorder;
extern INT dxpBorder;
extern INT dypCaption;
extern INT dypMenu;
extern CHAR szClass[cchNameMax];
extern HANDLE hInst;
extern HWND hwndMain;
extern HMENU hMenu;
extern BOOL fEGA;
extern PREF Preferences;
VOID APIENTRY AboutWEP(HWND hwnd, HICON hicon, LPSTR lpTitle, LPSTR lpCredit);
/****** R N D ******/
/* Return a random number between 0 and rndMax */
INT Rnd(INT rndMax)
{
return (rand() % rndMax);
}
/****** R E P O R T E R R ******/
/* Report and error and exit */
VOID ReportErr(WORD idErr)
{
CHAR szMsg[cchMsgMax];
CHAR szMsgTitle[cchMsgMax];
if (idErr < ID_ERR_MAX)
LoadString(hInst, idErr, szMsg, cchMsgMax);
else
{
LoadString(hInst, ID_ERR_UNKNOWN, szMsgTitle, cchMsgMax);
wsprintf(szMsg, szMsgTitle, idErr);
}
LoadString(hInst, ID_ERR_TITLE, szMsgTitle, cchMsgMax);
MessageBox(NULL, szMsg, szMsgTitle, MB_OK | MB_ICONHAND);
}
/****** L O A D S Z ******/
VOID LoadSz(WORD id, CHAR * sz)
{
if (LoadString(hInst, id, (LPSTR) sz, cchMsgMax) == 0)
ReportErr(1001);
}
/****** I N I T C O N S T ******/
VOID InitConst(VOID)
{
srand(LOWORD(GetCurrentTime()));
LoadSz(ID_GAMENAME, szClass);
fEGA = GetSystemMetrics(SM_CYSCREEN) == 350;
dypCaption = GetSystemMetrics(SM_CYCAPTION) + 1;
dypMenu = GetSystemMetrics(SM_CYMENU) + 1;
dypBorder = GetSystemMetrics(SM_CYBORDER) + 1;
dxpBorder = GetSystemMetrics(SM_CXBORDER) + 1;
}
/* * * * * * M E N U S * * * * * */
/****** C H E C K E M ******/
VOID CheckEm(WORD idm, BOOL fCheck)
{
CheckMenuItem(hMenu, idm, fCheck ? MF_CHECKED : MF_UNCHECKED);
}
/****** S E T M E N U B A R ******/
VOID SetMenuBar(INT fActive)
{
Preferences.fMenu = fActive;
FixMenus();
SetMenu(hwndMain, FMenuOn() ? hMenu : NULL);
AdjustWindow(fResize);
}
/****** D O A B O U T ******/
VOID DoAbout(VOID)
{
CHAR szVersion[cchMsgMax];
CHAR szCredit[cchMsgMax];
LoadSz(ID_MSG_VERSION, szVersion);
LoadSz(ID_MSG_CREDIT, szCredit);
AboutWEP(hwndMain, LoadIcon(hInst, MAKEINTRESOURCE(ID_ICON_MAIN)),
szVersion, szCredit);
}
/****** D O H E L P ******/
VOID DoHelp(UINT wCommand, ULONG_PTR lParam)
{
CHAR szHelpFile[cchMaxPathname];
CHAR * pch;
pch = szHelpFile + GetModuleFileName(hInst, szHelpFile, cchMaxPathname);
if ( ((pch-szHelpFile) > 4) && (*(pch-4) == '.') )
pch -= 4;
lstrcpy((LPSTR) pch, (LPSTR) ".HLP");
WinHelp(hwndMain, szHelpFile, wCommand, lParam);
}
/****** G E T D L G I N T ******/
INT GetDlgInt(HWND hDlg, INT dlgID, INT numLo, INT numHi)
{
INT num;
BOOL fFlag;
num = GetDlgItemInt(hDlg, dlgID, &fFlag, fFalse);
if (num < numLo)
num = numLo;
else if (num > numHi)
num = numHi;
return num;
}