mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
523 lines
15 KiB
523 lines
15 KiB
/******************************************************************************
|
|
|
|
winx.cpp
|
|
Windows utility procedures
|
|
|
|
Copyright (C) Microsoft Corporation, 1997 - 1998
|
|
All rights reserved
|
|
|
|
Notes:
|
|
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
|
|
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
|
|
PURPOSE.
|
|
|
|
******************************************************************************/
|
|
|
|
#include "stillvue.h"
|
|
|
|
#include <math.h> // pow
|
|
|
|
// WINERROR.H - GetLastError errors
|
|
STRINGTABLE StWinerror[] =
|
|
{
|
|
ERROR_SUCCESS, "ERROR_SUCCESS",0,
|
|
ERROR_FILE_NOT_FOUND, "ERROR_FILE_NOT_FOUND",0,
|
|
ERROR_PATH_NOT_FOUND, "ERROR_PATH_NOT_FOUND",0,
|
|
ERROR_INVALID_FUNCTION, "ERROR_INVALID_FUNCTION",0,
|
|
ERROR_ACCESS_DENIED, "ERROR_ACCESS_DENIED",0,
|
|
ERROR_INVALID_HANDLE, "ERROR_INVALID_HANDLE",0,
|
|
ERROR_INVALID_PARAMETER, "ERROR_INVALID_PARAMETER",0,
|
|
ERROR_CALL_NOT_IMPLEMENTED, "ERROR_CALL_NOT_IMPLEMENTED",0,
|
|
ERROR_ALREADY_EXISTS, "ERROR_ALREADY_EXISTS",0,
|
|
ERROR_INVALID_FLAGS, "ERROR_INVALID_FLAGS",0,
|
|
ERROR_INVALID_CATEGORY, "ERROR_INVALID_CATEGORY",0,
|
|
RPC_S_SERVER_UNAVAILABLE, "RPC_S_SERVER_UNAVAILABLE",0,
|
|
0, "See WINERROR.H",-1
|
|
};
|
|
|
|
|
|
/******************************************************************************
|
|
ULONG atox(LPSTR lpHex)
|
|
|
|
Convert string to hexadecimal value.
|
|
******************************************************************************/
|
|
ULONG atox(LPSTR lpHex)
|
|
{
|
|
char *p;
|
|
int x;
|
|
double y;
|
|
ULONG z,ulHex = 0l;
|
|
|
|
|
|
for (p = lpHex,x = 0;p[x];x++)
|
|
;
|
|
|
|
for (x--,y = 0.0;lpHex <= (p + x);x--,y++)
|
|
{
|
|
z = (ULONG) pow(16.0,y);
|
|
|
|
if ((p[x] >= '0')&&(p[x] <= '9'))
|
|
ulHex += ((p[x] - '0') * z);
|
|
if ((p[x] >= 'A')&&(p[x] <= 'F'))
|
|
ulHex += ((p[x] - 'A' + 10) * z);
|
|
if ((p[x] >= 'a')&&(p[x] <= 'f'))
|
|
ulHex += ((p[x] - 'a' + 10) * z);
|
|
}
|
|
|
|
return (ulHex);
|
|
}
|
|
|
|
|
|
#ifdef _DEBUG
|
|
|
|
/******************************************************************************
|
|
void DisplayDebug(LPSTR sz,...)
|
|
|
|
Output text to debugger.
|
|
******************************************************************************/
|
|
void DisplayDebug(LPSTR sz,...)
|
|
{
|
|
char Buffer[512];
|
|
va_list list;
|
|
|
|
|
|
va_start(list,sz);
|
|
vsprintf(Buffer,sz,list);
|
|
|
|
OutputDebugString(Buffer);
|
|
OutputDebugString("\n");
|
|
|
|
return;
|
|
}
|
|
|
|
#else
|
|
|
|
/******************************************************************************
|
|
void DisplayDebug(LPSTR sz,...)
|
|
|
|
Output text to debugger - nonfunctional retail version..
|
|
******************************************************************************/
|
|
void DisplayDebug(LPSTR sz,...)
|
|
{
|
|
return;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/******************************************************************************
|
|
BOOL ErrorMsg(HWND, LPSTR, LPSTR, BOOL)
|
|
Display an error message and send WM_QUIT if error is fatal.
|
|
|
|
Parameters: handle to current window,
|
|
long pointer to string with error message,
|
|
long pointer to string with message box caption,
|
|
error (Fatal if TRUE)
|
|
|
|
Shut down app if bFatal is TRUE, continue if FALSE.
|
|
******************************************************************************/
|
|
BOOL ErrorMsg(HWND hWnd, LPSTR lpzMsg, LPSTR lpzCaption, BOOL bFatal)
|
|
{
|
|
MessageBox(hWnd, lpzMsg, lpzCaption, MB_ICONEXCLAMATION | MB_OK);
|
|
if (bFatal)
|
|
PostMessage (hWnd, WM_QUIT, 0, 0L);
|
|
|
|
return (bFatal);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
fDialog(id,hwnd,fpfn)
|
|
|
|
Description:
|
|
This function displays a dialog box and returns the exit code.
|
|
the function passed will have a proc instance made for it.
|
|
|
|
Parameters:
|
|
id resource id of dialog to display
|
|
hwnd parent window of dialog
|
|
fpfn dialog message function
|
|
|
|
Returns:
|
|
exit code of dialog (what was passed to EndDialog)
|
|
|
|
******************************************************************************/
|
|
BOOL fDialog(int id,HWND hWnd,FARPROC fPfn)
|
|
{
|
|
BOOL f;
|
|
HINSTANCE hInst;
|
|
|
|
hInst = (HINSTANCE) GetWindowLong(hWnd,GWL_HINSTANCE);
|
|
fPfn = MakeProcInstance(fPfn,hInst);
|
|
f = DialogBox(hInst,MAKEINTRESOURCE(id),hWnd,(DLGPROC)fPfn);
|
|
FreeProcInstance(fPfn);
|
|
|
|
return (f);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
void FormatHex(unsigned char *szSource, char *szDest)
|
|
|
|
take first 16 bytes from szSource,
|
|
format into a hex dump string,
|
|
then copy the string into szDest
|
|
szDest must have room for at least 66 bytes
|
|
|
|
sample code fragment showing use:
|
|
char szOut[128], // output string
|
|
|
|
// print header
|
|
sprintf(szOut,
|
|
"Offset --------------------- hex --------------------- ---- ascii -----");
|
|
puts(szOut);
|
|
|
|
// dump 512 bytes (32 lines, 16 bytes per line)
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
// get next 16 bytes
|
|
_fmemcpy(szDbgMsg,fpSector + (i*16),16);
|
|
|
|
// get current offset into data block
|
|
sprintf(szOut,"%03xh(%03d) ",i*16,i*16);
|
|
|
|
// append debug string after data block offset message
|
|
FormatHex(szDbgMsg, szOut + strlen(szOut));
|
|
puts(szOut);
|
|
}
|
|
|
|
******************************************************************************/
|
|
void FormatHex(unsigned char *szSource, char *szDest)
|
|
{
|
|
unsigned short j;
|
|
|
|
|
|
sprintf(szDest,
|
|
"%02x %02x %02x %02x %02x %02x %02x %02x:"\
|
|
"%02x %02x %02x %02x %02x %02x %02x %02x ",
|
|
szSource[0],
|
|
szSource[1],
|
|
szSource[2],
|
|
szSource[3],
|
|
szSource[4],
|
|
szSource[5],
|
|
szSource[6],
|
|
szSource[7],
|
|
szSource[8],
|
|
szSource[9],
|
|
szSource[10],
|
|
szSource[11],
|
|
szSource[12],
|
|
szSource[13],
|
|
szSource[14],
|
|
szSource[15]);
|
|
|
|
// replace bytes with undesirable Sprintf side effects with SPACE
|
|
for (j = 0; j < 16; j++)
|
|
{
|
|
if ((0x00 == szSource[j]) ||
|
|
(0x07 == szSource[j]) ||
|
|
(0x09 == szSource[j]) ||
|
|
(0x0a == szSource[j]) ||
|
|
(0x0d == szSource[j]) ||
|
|
(0x1a == szSource[j]))
|
|
szSource[j] = 0x20;
|
|
}
|
|
|
|
sprintf(szDest + strlen(szDest),
|
|
"%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",
|
|
szSource[0],
|
|
szSource[1],
|
|
szSource[2],
|
|
szSource[3],
|
|
szSource[4],
|
|
szSource[5],
|
|
szSource[6],
|
|
szSource[7],
|
|
szSource[8],
|
|
szSource[9],
|
|
szSource[10],
|
|
szSource[11],
|
|
szSource[12],
|
|
szSource[13],
|
|
szSource[14],
|
|
szSource[15]);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
BOOL GetFinalWindow(HANDLE, LPRECT, LPSTR, LPSTR)
|
|
Retrieve the last window size & location from a private INI
|
|
|
|
Parameters: handle to current instance,
|
|
long pointer to a rectangle with window size/shape,
|
|
string with INI filename,
|
|
string with Section name
|
|
|
|
Returns: success/failure (never fails)
|
|
|
|
Get display size in pixels and private INI saved width and height.
|
|
Default width (for no previous INI) is 1/3 display width.
|
|
Default height (for no previous INI) is 1/3 display height.
|
|
If saved size or postion would put part or all the window
|
|
off the desktop, first change the position then the size until
|
|
the window is completely on the desktop.
|
|
|
|
******************************************************************************/
|
|
BOOL GetFinalWindow (HANDLE hInst,
|
|
LPRECT lprRect,
|
|
LPSTR lpzINI,
|
|
LPSTR lpzSection)
|
|
{
|
|
int x, nDisplayWidth, nDisplayHeight;
|
|
RECT rect;
|
|
|
|
|
|
nDisplayWidth = GetSystemMetrics(SM_CXSCREEN);
|
|
nDisplayHeight = GetSystemMetrics(SM_CYSCREEN);
|
|
|
|
rect.left = GetPrivateProfileInt(lpzSection, "Left",
|
|
(nDisplayWidth/10) * 7,lpzINI);
|
|
rect.top = GetPrivateProfileInt(lpzSection, "Top",
|
|
(nDisplayHeight/10) * 8,lpzINI);
|
|
rect.right = GetPrivateProfileInt(lpzSection, "Right",
|
|
nDisplayWidth,lpzINI);
|
|
rect.bottom = GetPrivateProfileInt(lpzSection, "Bottom",
|
|
nDisplayHeight,lpzINI);
|
|
|
|
|
|
/*/////////////////////////////////////////////////////////////////////////////
|
|
if window hangs off top or left of display, change location to
|
|
edge of display and preserve size.
|
|
/////////////////////////////////////////////////////////////////////////////*/
|
|
if (rect.top < 0)
|
|
{
|
|
rect.bottom += rect.top * -1;
|
|
rect.top = 0;
|
|
}
|
|
|
|
if (rect.left < 0)
|
|
{
|
|
rect.right += rect.left * -1;
|
|
rect.left = 0;
|
|
}
|
|
|
|
/*/////////////////////////////////////////////////////////////////////////////
|
|
if window hangs off bottom or right of display, change location
|
|
to bring it back onscreen. If window dimension is greater than
|
|
display, reduce to size of display.
|
|
/////////////////////////////////////////////////////////////////////////////*/
|
|
if (rect.bottom > nDisplayHeight)
|
|
{
|
|
if (rect.bottom > nDisplayHeight * 2)
|
|
{
|
|
rect.top = 0;
|
|
rect.bottom = nDisplayHeight;
|
|
}
|
|
else
|
|
{
|
|
x = rect.bottom - nDisplayHeight;
|
|
rect.bottom -= x;
|
|
rect.top -= x;
|
|
}
|
|
}
|
|
|
|
if (rect.right > nDisplayWidth)
|
|
{
|
|
if (rect.right > nDisplayWidth * 2)
|
|
{
|
|
rect.left = 0;
|
|
rect.right = nDisplayWidth;
|
|
}
|
|
else
|
|
{
|
|
x = rect.right - nDisplayWidth;
|
|
rect.right -= x;
|
|
rect.left -= x;
|
|
}
|
|
}
|
|
|
|
/*/////////////////////////////////////////////////////////////////////////////
|
|
GetWindowRect() returns a rect where right and bottom are absolute
|
|
(measured from 0,0 of display). However, CreateWindow requires
|
|
right and bottom to be relative (measured from 0,0 of the window
|
|
to be created). SaveFinalWindow saves an absolute rect, and
|
|
GetFinalRect converts these to relative measurements.
|
|
/////////////////////////////////////////////////////////////////////////////*/
|
|
SetRect(lprRect,
|
|
rect.left,
|
|
rect.top,
|
|
rect.right - rect.left,
|
|
rect.bottom - rect.top);
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
BOOL LastError(BOOL)
|
|
|
|
Calls GetLastError and displays result in a nice string
|
|
|
|
Parameters: bNewOnly == TRUE if you only want changed error displayed
|
|
Returns: TRUE if it found an error, else FALSE
|
|
******************************************************************************/
|
|
BOOL LastError(BOOL bNewOnly)
|
|
{
|
|
static DWORD dwLast = 0;
|
|
DWORD dwError;
|
|
|
|
|
|
if (dwError = GetLastError())
|
|
{
|
|
// if user asked for only new errors
|
|
if (bNewOnly)
|
|
{
|
|
// not a new error
|
|
if (dwLast == dwError)
|
|
return FALSE;
|
|
// new error, save it
|
|
dwLast = dwError;
|
|
}
|
|
DisplayOutput("*GetLastError %xh %d \"%s\"",
|
|
dwError,dwError,StrFromTable(dwError,StWinerror));
|
|
return (TRUE);
|
|
}
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
int NextToken(char *pDest,char *pSrc)
|
|
|
|
Return next token from a command line string.
|
|
******************************************************************************/
|
|
int NextToken(char *pDest,char *pSrc)
|
|
{
|
|
char *pA,*pB;
|
|
int x;
|
|
|
|
|
|
// point pArg to start of token in string pSrc
|
|
for (pA = pSrc;*pA && isspace((int) *pA);pA++)
|
|
;
|
|
|
|
// find end of token in string pSrc
|
|
for (pB = pA;((*pB) && (! isspace((int) *pB)));pB++)
|
|
;
|
|
|
|
// count of chars to next token or end of string
|
|
x = (min((pB - pA),(int) strlen(pSrc))) + 1;
|
|
|
|
// pszDest now contains the arg
|
|
lstrcpyn(pDest,pA,x);
|
|
|
|
// return sizeof token
|
|
return (x);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
BOOL SaveFinalWindow(HANDLE, HWND, LPSTR, LPSTR)
|
|
Save the current window size & location to a private INI
|
|
|
|
Parameters: handle to current instance,
|
|
handle to current window,
|
|
string with INI filename,
|
|
string with Section name
|
|
|
|
Returns: success/failure (fails if window is MIN or MAX)
|
|
******************************************************************************/
|
|
BOOL SaveFinalWindow (HANDLE hInst,
|
|
HWND hWnd,
|
|
LPSTR lpzINI,
|
|
LPSTR lpzSection)
|
|
{
|
|
PSTR pszValue;
|
|
RECT rectWnd, rectINI;
|
|
|
|
|
|
// if the window is minimized OR maximised, don't save anything
|
|
if (IsIconic(hWnd) || IsZoomed(hWnd))
|
|
return (FALSE);
|
|
|
|
GetWindowRect (hWnd, &rectWnd);
|
|
|
|
// get INI data. If there isn't any, we'll get the default and
|
|
// save the current Window data.
|
|
rectINI.left = GetPrivateProfileInt(lpzSection, "Left", 0, lpzINI);
|
|
rectINI.top = GetPrivateProfileInt(lpzSection, "Top", 0, lpzINI);
|
|
rectINI.right = GetPrivateProfileInt(lpzSection, "Right", 0, lpzINI);
|
|
rectINI.bottom = GetPrivateProfileInt(lpzSection, "Bottom", 0, lpzINI);
|
|
|
|
// if current window is same as in INI, don't change INI
|
|
if ( rectINI.left == rectWnd.left &&
|
|
rectINI.top == rectWnd.top &&
|
|
rectINI.right == rectWnd.right &&
|
|
rectINI.bottom == rectWnd.bottom)
|
|
return (TRUE);
|
|
|
|
// EXIT if we can't local alloc our string stuffer
|
|
if ((pszValue = (PSTR) LocalAlloc(LPTR, 80)) == NULL)
|
|
return (FALSE);
|
|
|
|
// it's different, so save
|
|
sprintf(pszValue, "%d", rectWnd.left);
|
|
WritePrivateProfileString(lpzSection, "Left", pszValue, lpzINI);
|
|
sprintf(pszValue, "%d", rectWnd.top);
|
|
WritePrivateProfileString(lpzSection, "Top", pszValue, lpzINI);
|
|
sprintf(pszValue, "%d", rectWnd.right);
|
|
WritePrivateProfileString(lpzSection, "Right", pszValue, lpzINI);
|
|
sprintf(pszValue, "%d", rectWnd.bottom);
|
|
WritePrivateProfileString(lpzSection, "Bottom", pszValue, lpzINI);
|
|
LocalFree((HANDLE) pszValue);
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
char * StrFromTable(long number,PSTRINGTABLE pstrTable)
|
|
|
|
Return string associated with a value from a string table.
|
|
******************************************************************************/
|
|
char * StrFromTable(long number,PSTRINGTABLE pstrTable)
|
|
{
|
|
for (;pstrTable->end != -1;pstrTable++)
|
|
{
|
|
if (number == pstrTable->number)
|
|
break;
|
|
}
|
|
|
|
return (pstrTable->szString);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
BOOL Wait32(DWORD)
|
|
|
|
wait DWORD milliseconds, then return
|
|
|
|
******************************************************************************/
|
|
BOOL Wait32(DWORD dwTime)
|
|
{
|
|
DWORD dwNewTime,
|
|
dwOldTime;
|
|
|
|
|
|
// wait dwTime, then exit
|
|
dwOldTime = GetCurrentTime();
|
|
while (TRUE)
|
|
{
|
|
dwNewTime = GetCurrentTime();
|
|
if (dwNewTime > dwOldTime + dwTime)
|
|
break;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|