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.
1417 lines
40 KiB
1417 lines
40 KiB
//---------------------------------------------------------------------------
|
|
// utils.cpp - theme code utilities (shared in "inc" directory)
|
|
//---------------------------------------------------------------------------
|
|
#include "stdafx.h"
|
|
#include <time.h>
|
|
#include "utils.h"
|
|
#include "cfile.h"
|
|
#include "stringtable.h"
|
|
//---------------------------------------------------------------------------
|
|
HINSTANCE hinstUxCtrl = NULL; // protected by _csUtils
|
|
|
|
IMAGE_DRAWPROC ImageList_DrawProc = NULL; // protected by _csUtils
|
|
IMAGE_LOADPROC ImageList_LoadProc = NULL; // protected by _csUtils
|
|
PFNDRAWSHADOWTEXT CCDrawShadowText = NULL;
|
|
IMAGE_DESTROYPROC ImageList_DestroyProc = NULL; // protected by _csUtils
|
|
|
|
int g_iScreenDpi = THEME_DPI; // only initialized
|
|
//---------------------------------------------------------------------------
|
|
CRITICAL_SECTION _csUtils = {0}; // unprotected (set during init)
|
|
//---------------------------------------------------------------------------
|
|
#define __ascii_towlower(c) ( (((c) >= L'A') && ((c) <= L'Z')) ? ((c) - L'A' + L'a') : (c) )
|
|
|
|
// A string compare that explicitely only works on english characters
|
|
// This avoids locale problems like Hungarian, without a performance hit.
|
|
// NOTE: Intended for theme schema properties. Theme file names, colors styles and size styles
|
|
// shouldn't be passed to this function, nor any display name.
|
|
int AsciiStrCmpI(const WCHAR *dst, const WCHAR *src)
|
|
{
|
|
WCHAR f,l;
|
|
|
|
if (dst == NULL)
|
|
{
|
|
return src == NULL ? 0 : -1;
|
|
}
|
|
if (src == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
do {
|
|
#ifdef DEBUG
|
|
if (*dst > 127 || *src > 127)
|
|
{
|
|
Log(LOG_ERROR, L"AsciiStrCmpI: Non-Ascii comparing %s and %s", dst, src);
|
|
}
|
|
#endif
|
|
f = (WCHAR)__ascii_towlower(*dst);
|
|
l = (WCHAR)__ascii_towlower(*src);
|
|
dst++;
|
|
src++;
|
|
} while ( (f) && (f == l) );
|
|
|
|
return (int)(f - l);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL lstrtoken(LPWSTR psz, WCHAR wch)
|
|
{
|
|
ATLASSERT(psz != NULL);
|
|
|
|
LPWSTR p = psz;
|
|
while (*p)
|
|
{
|
|
if (*p == wch)
|
|
{
|
|
*p = 0;
|
|
return TRUE;
|
|
}
|
|
p = CharNextW(p);
|
|
}
|
|
return FALSE;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL FileExists(LPCWSTR pszFileName)
|
|
{
|
|
DWORD dwMask = GetFileAttributes(pszFileName);
|
|
return (dwMask != 0xffffffff);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL UtilsStartUp()
|
|
{
|
|
BOOL fRet = FALSE;
|
|
hinstUxCtrl = NULL;
|
|
|
|
if( InitializeCriticalSectionAndSpinCount(&_csUtils, 0) )
|
|
{
|
|
//---- set screen dpi (per session) ----
|
|
HDC hdc = GetWindowDC(NULL);
|
|
if (hdc)
|
|
{
|
|
g_iScreenDpi = GetDeviceCaps(hdc, LOGPIXELSX);
|
|
ReleaseDC(NULL, hdc);
|
|
fRet = TRUE;
|
|
}
|
|
else
|
|
{
|
|
SAFE_DELETECRITICALSECTION(&_csUtils);
|
|
}
|
|
}
|
|
|
|
return fRet;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL UtilsShutDown()
|
|
{
|
|
SAFE_DELETECRITICALSECTION(&_csUtils);
|
|
|
|
if (hinstUxCtrl)
|
|
{
|
|
FreeLibrary(hinstUxCtrl);
|
|
hinstUxCtrl = NULL;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HANDLE CmdLineRun(LPCTSTR pszExeName, LPCTSTR pszParams, BOOL fHide)
|
|
{
|
|
STARTUPINFO si;
|
|
memset(&si, 0, sizeof(si));
|
|
si.cb = sizeof(STARTUPINFO);
|
|
si.dwFlags = STARTF_FORCEOFFFEEDBACK; // don't mess with our cursor
|
|
|
|
if (fHide)
|
|
{
|
|
si.dwFlags |= STARTF_USESHOWWINDOW; // hide window
|
|
si.wShowWindow = SW_HIDE;
|
|
}
|
|
|
|
PROCESS_INFORMATION pi;
|
|
TCHAR szExeBuff[_MAX_PATH];
|
|
TCHAR szParmsBuff[_MAX_PATH];
|
|
|
|
// Copy to buffers to avoid AVs
|
|
if (pszParams)
|
|
{
|
|
szParmsBuff[0] = L'"';
|
|
|
|
// -1 for trailing NULL, -2 for quotation marks, -1 for space between EXE and args
|
|
HRESULT hr = SafeStringCchCopyW(szParmsBuff+1, ARRAYSIZE(szParmsBuff) - 4, pszExeName);
|
|
if (FAILED(hr))
|
|
return NULL;
|
|
|
|
int cchUsed = lstrlen(szParmsBuff);
|
|
szParmsBuff[cchUsed++] = L'"'; // closing quotation mark
|
|
szParmsBuff[cchUsed++] = L' '; // We need a space before the cmd line
|
|
hr = SafeStringCchCopyW(szParmsBuff + cchUsed, ARRAYSIZE(szParmsBuff) - cchUsed - 1, pszParams);
|
|
if (FAILED(hr))
|
|
return NULL;
|
|
}
|
|
|
|
LPTSTR lpFilePart;
|
|
|
|
if (0 == SearchPath(NULL, pszExeName, NULL, ARRAYSIZE(szExeBuff), szExeBuff, &lpFilePart))
|
|
return NULL;
|
|
|
|
BOOL bSuccess = CreateProcess(szExeBuff, pszParams ? szParmsBuff : NULL, NULL, NULL,
|
|
FALSE, 0, NULL, NULL, &si, &pi);
|
|
if (! bSuccess)
|
|
return NULL;
|
|
|
|
return pi.hProcess;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT SyncCmdLineRun(LPCTSTR pszExeName, LPCTSTR pszParams)
|
|
{
|
|
HANDLE hInst;
|
|
|
|
hInst = CmdLineRun(pszExeName, pszParams);
|
|
if (! hInst)
|
|
{
|
|
Log(LOG_ALWAYS, L"CmdLineRun failed to create hInst. Cmd=%s", pszExeName);
|
|
return MakeError32(E_FAIL); // could not run program
|
|
}
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
//---- wait for packthem to terminate ----
|
|
DWORD dwVal;
|
|
dwVal = WaitForSingleObject(hInst, INFINITE);
|
|
|
|
if (dwVal != WAIT_OBJECT_0)
|
|
{
|
|
Log(LOG_ERROR, L"CmdLineRun timed out. Cmd=%s", pszExeName);
|
|
hr = MakeError32(E_FAIL); // timed out
|
|
goto exit;
|
|
}
|
|
|
|
DWORD dwExitCode;
|
|
if (! GetExitCodeProcess(hInst, &dwExitCode))
|
|
{
|
|
Log(LOG_ALWAYS, L"CmdLineRun failed to get exit code. Cmd=%s", pszExeName);
|
|
hr = MakeError32(E_FAIL); // could not get exit code
|
|
goto exit;
|
|
}
|
|
|
|
if (dwExitCode)
|
|
{
|
|
Log(LOG_ALWAYS, L"CmdLineRun returned error. Cmd=%s, ExitCode=%d", pszExeName, dwExitCode);
|
|
hr = MakeError32(E_FAIL); // did not complete successfully
|
|
goto exit;
|
|
}
|
|
|
|
exit:
|
|
|
|
CloseHandle(hInst);
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL TokenHasPrivilege( IN OPTIONAL HANDLE hToken, DWORD dwPrivilege )
|
|
{
|
|
BOOL fRet = FALSE;
|
|
HANDLE hTokenRelease = NULL;
|
|
|
|
if( NULL == hToken )
|
|
{
|
|
if( !OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hTokenRelease) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
hToken = hTokenRelease;
|
|
}
|
|
|
|
ASSERT(hToken != NULL);
|
|
|
|
DWORD cbRet = 0;
|
|
|
|
GetTokenInformation(hToken, TokenPrivileges, NULL, 0, &cbRet );
|
|
if( cbRet > 0 )
|
|
{
|
|
PVOID pvPrivs = LocalAlloc(LMEM_FIXED, cbRet);
|
|
if( pvPrivs )
|
|
{
|
|
if( GetTokenInformation(hToken, TokenPrivileges, pvPrivs, cbRet, &cbRet) )
|
|
{
|
|
TOKEN_PRIVILEGES* pTokenPrivs = (TOKEN_PRIVILEGES*)pvPrivs;
|
|
LUID luidPrivilege;
|
|
|
|
luidPrivilege.LowPart = dwPrivilege;
|
|
luidPrivilege.HighPart = 0;
|
|
|
|
for (UINT i = 0; i < pTokenPrivs->PrivilegeCount; i++)
|
|
{
|
|
if( RtlEqualLuid(&pTokenPrivs->Privileges[i].Luid, &luidPrivilege) )
|
|
{
|
|
fRet = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
LocalFree(pvPrivs);
|
|
}
|
|
}
|
|
|
|
if( hTokenRelease )
|
|
{
|
|
CloseHandle(hTokenRelease);
|
|
}
|
|
return fRet;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
// color conversion routines copied from comdlg\color2.c
|
|
//---------------------------------------------------------------------------
|
|
#define HLSMAX 240
|
|
#define RGBMAX 255
|
|
#define UNDEFINED (HLSMAX * 2 / 3)
|
|
//---------------------------------------------------------------------------
|
|
void RGBtoHLS(COLORREF rgb, WORD *pwHue, WORD *pwLum, WORD *pwSat)
|
|
{
|
|
WORD R, G, B; // input RGB values
|
|
WORD cMax,cMin; // max and min RGB values
|
|
WORD cSum,cDif;
|
|
SHORT Rdelta, Gdelta, Bdelta; // intermediate value: % of spread from max
|
|
|
|
WORD bHue, bLum, bSat;
|
|
//
|
|
// get R, G, and B out of DWORD.
|
|
//
|
|
R = GetRValue(rgb);
|
|
G = GetGValue(rgb);
|
|
B = GetBValue(rgb);
|
|
|
|
//
|
|
// Calculate lightness.
|
|
//
|
|
cMax = max(max(R, G), B);
|
|
cMin = min(min(R, G), B);
|
|
cSum = cMax + cMin;
|
|
bLum = (WORD)(((cSum * (DWORD)HLSMAX) + RGBMAX) / (2 * RGBMAX));
|
|
|
|
cDif = cMax - cMin;
|
|
if (!cDif)
|
|
{
|
|
//
|
|
// r = g = b --> Achromatic case.
|
|
//
|
|
bSat = 0; // saturation
|
|
bHue = UNDEFINED; // hue
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Chromatic case.
|
|
//
|
|
|
|
//
|
|
// Saturation.
|
|
//
|
|
// Note: Division by cSum is not a problem, as cSum can only
|
|
// be 0 if the RGB value is 0L, and that is achromatic.
|
|
//
|
|
if (bLum <= (HLSMAX / 2))
|
|
{
|
|
bSat = (WORD)(((cDif * (DWORD) HLSMAX) + (cSum / 2) ) / cSum);
|
|
}
|
|
else
|
|
{
|
|
bSat = (WORD)((DWORD)((cDif * (DWORD)HLSMAX) +
|
|
(DWORD)((2 * RGBMAX - cSum) / 2)) /
|
|
(2 * RGBMAX - cSum));
|
|
}
|
|
|
|
//
|
|
// Hue.
|
|
//
|
|
Rdelta = (SHORT)((((cMax - R) * (DWORD)(HLSMAX / 6)) + (cDif / 2) ) / cDif);
|
|
Gdelta = (SHORT)((((cMax - G) * (DWORD)(HLSMAX / 6)) + (cDif / 2) ) / cDif);
|
|
Bdelta = (SHORT)((((cMax - B) * (DWORD)(HLSMAX / 6)) + (cDif / 2) ) / cDif);
|
|
|
|
if (R == cMax)
|
|
{
|
|
bHue = Bdelta - Gdelta;
|
|
}
|
|
else if (G == cMax)
|
|
{
|
|
bHue = (WORD)((HLSMAX / 3) + Rdelta - Bdelta);
|
|
}
|
|
else // (B == cMax)
|
|
{
|
|
bHue = (WORD)(((2 * HLSMAX) / 3) + Gdelta - Rdelta);
|
|
}
|
|
|
|
if ((short)bHue < 0)
|
|
{
|
|
//
|
|
// This can occur when R == cMax and G is > B.
|
|
//
|
|
bHue += HLSMAX;
|
|
}
|
|
if (bHue >= HLSMAX)
|
|
{
|
|
bHue -= HLSMAX;
|
|
}
|
|
}
|
|
|
|
if (pwHue)
|
|
*pwHue = bHue;
|
|
|
|
if (pwLum)
|
|
*pwLum = bLum;
|
|
|
|
if (pwSat)
|
|
*pwSat = bSat;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
WORD HueToRGB(WORD n1, WORD n2, WORD hue)
|
|
{
|
|
if (hue >= HLSMAX)
|
|
{
|
|
hue -= HLSMAX;
|
|
}
|
|
|
|
//
|
|
// Return r, g, or b value from this tridrant.
|
|
//
|
|
if (hue < (HLSMAX / 6))
|
|
{
|
|
return ((WORD)(n1 + (((n2 - n1) * hue + (HLSMAX / 12)) / (HLSMAX / 6))));
|
|
}
|
|
if (hue < (HLSMAX/2))
|
|
{
|
|
return (n2);
|
|
}
|
|
if (hue < ((HLSMAX*2)/3))
|
|
{
|
|
return ((WORD)(n1 + (((n2 - n1) * (((HLSMAX * 2) / 3) - hue) +
|
|
(HLSMAX / 12)) / (HLSMAX / 6))));
|
|
}
|
|
else
|
|
{
|
|
return (n1);
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
DWORD HLStoRGB(WORD hue, WORD lum, WORD sat)
|
|
{
|
|
WORD R, G, B; // RGB component values
|
|
WORD Magic1, Magic2; // calculated magic numbers
|
|
|
|
if (sat == 0)
|
|
{
|
|
//
|
|
// Achromatic case.
|
|
//
|
|
R = G = B = (WORD)((lum * RGBMAX) / HLSMAX);
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Chromatic case
|
|
//
|
|
|
|
//
|
|
// Set up magic numbers.
|
|
//
|
|
if (lum <= (HLSMAX / 2))
|
|
{
|
|
Magic2 = (WORD)((lum * ((DWORD)HLSMAX + sat) + (HLSMAX / 2)) / HLSMAX);
|
|
}
|
|
else
|
|
{
|
|
Magic2 = lum + sat -
|
|
(WORD)(((lum * sat) + (DWORD)(HLSMAX / 2)) / HLSMAX);
|
|
}
|
|
Magic1 = (WORD)(2 * lum - Magic2);
|
|
|
|
//
|
|
// Get RGB, change units from HLSMAX to RGBMAX.
|
|
//
|
|
R = (WORD)(((HueToRGB(Magic1, Magic2, (WORD)(hue + (HLSMAX / 3))) *
|
|
(DWORD)RGBMAX + (HLSMAX / 2))) / HLSMAX);
|
|
G = (WORD)(((HueToRGB(Magic1, Magic2, hue) *
|
|
(DWORD)RGBMAX + (HLSMAX / 2))) / HLSMAX);
|
|
B = (WORD)(((HueToRGB(Magic1, Magic2, (WORD)(hue - (HLSMAX / 3))) *
|
|
(DWORD)RGBMAX + (HLSMAX / 2))) / HLSMAX);
|
|
}
|
|
return (RGB(R, G, B));
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT GetPtrToResource(HINSTANCE hInst, LPCWSTR pszResType, LPCWSTR pszResName,
|
|
OUT void **ppBytes, OPTIONAL OUT DWORD *pdwBytes)
|
|
{
|
|
HRSRC hRsc = FindResource(hInst, pszResName, pszResType);
|
|
if (! hRsc)
|
|
return MakeErrorLast();
|
|
|
|
DWORD dwBytes = SizeofResource(hInst, hRsc);
|
|
if (! dwBytes)
|
|
return MakeErrorLast();
|
|
|
|
HGLOBAL hGlobal = LoadResource(hInst, hRsc);
|
|
if (! hGlobal)
|
|
return MakeErrorLast();
|
|
|
|
void *v = (WCHAR *)LockResource(hGlobal);
|
|
if (! v)
|
|
return MakeErrorLast();
|
|
|
|
*ppBytes = v;
|
|
|
|
if (pdwBytes)
|
|
*pdwBytes = dwBytes;
|
|
|
|
return S_OK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT GetResString(HINSTANCE hInst, LPCWSTR pszResType, int id, LPWSTR pszBuff,
|
|
DWORD cchBuff)
|
|
{
|
|
WCHAR *p;
|
|
|
|
HRESULT hr = GetPtrToResource(hInst, pszResType, MAKEINTRESOURCE(1), (void **)&p);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
while ((*p) && (id))
|
|
{
|
|
p += (1 + lstrlen(p));
|
|
id--;
|
|
}
|
|
|
|
if (*p)
|
|
{
|
|
hr = SafeStringCchCopyW(pszBuff, cchBuff, p);
|
|
}
|
|
else
|
|
{
|
|
hr = MakeError32(ERROR_NOT_FOUND);
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT AllocateTextResource(HINSTANCE hInst, LPCWSTR pszResName, WCHAR **ppszText)
|
|
{
|
|
WCHAR *p, *q;
|
|
DWORD dwBytes, dwChars;
|
|
HRESULT hr;
|
|
|
|
//---- allocate so that we can add a NULL at the end of the file string ----
|
|
|
|
hr = GetPtrToResource(hInst, L"TEXTFILE", pszResName, (void **)&p, &dwBytes);
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
dwChars = (dwBytes+1)/2;
|
|
|
|
if ((dwChars) && (p[0] == 0xfeff)) // remove UNICODE hdr
|
|
{
|
|
dwChars--;
|
|
p++;
|
|
}
|
|
|
|
q = new WCHAR[dwChars+1];
|
|
if (!q)
|
|
{
|
|
hr = MakeError32(E_OUTOFMEMORY);
|
|
goto exit;
|
|
}
|
|
|
|
CopyMemory(q, p, dwChars*sizeof(WCHAR));
|
|
q[dwChars] = 0;
|
|
|
|
*ppszText = q;
|
|
|
|
exit:
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void ApplyStringProp(HWND hwnd, LPCWSTR pszStringVal, ATOM atom)
|
|
{
|
|
if (hwnd)
|
|
{
|
|
//---- remove previous value ----
|
|
ATOM atomStringVal = (ATOM)GetProp(hwnd, (LPCTSTR)atom);
|
|
if (atomStringVal)
|
|
{
|
|
DeleteAtom(atomStringVal); // decrement refcnt
|
|
RemoveProp(hwnd, (LPCTSTR)atom);
|
|
}
|
|
|
|
//---- add new string as an atom ----
|
|
if (pszStringVal)
|
|
{
|
|
//---- if string is empty, change it since AddAtom() doesn't ----
|
|
//---- support empty strings (returns NULL) ----
|
|
if (! *pszStringVal)
|
|
pszStringVal = L"$"; // should never compare equal to a class name
|
|
|
|
atomStringVal = AddAtom(pszStringVal);
|
|
if (atomStringVal)
|
|
SetProp(hwnd, (LPCTSTR)atom, (void *)atomStringVal);
|
|
}
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT EnsureUxCtrlLoaded()
|
|
{
|
|
CAutoCS cs(&_csUtils);
|
|
|
|
if (! hinstUxCtrl)
|
|
{
|
|
TCHAR szPath[MAX_PATH];
|
|
GetModuleFileName(GetModuleHandle(TEXT("UxTheme.dll")), szPath, ARRAYSIZE(szPath));
|
|
|
|
ACTCTX act = {0};
|
|
act.cbSize = sizeof(act);
|
|
act.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID;
|
|
act.lpResourceName = MAKEINTRESOURCE(1);
|
|
act.lpSource = szPath;
|
|
HANDLE hActCtx = CreateActCtx(&act);
|
|
ULONG_PTR ulCookie = 0;
|
|
if (hActCtx != INVALID_HANDLE_VALUE)
|
|
ActivateActCtx(hActCtx, &ulCookie);
|
|
|
|
hinstUxCtrl = LoadLibrary(L"comctl32.dll");
|
|
|
|
if (ulCookie)
|
|
DeactivateActCtx(0, ulCookie);
|
|
|
|
if (hActCtx != INVALID_HANDLE_VALUE)
|
|
ReleaseActCtx(hActCtx);
|
|
}
|
|
|
|
if ((hinstUxCtrl) && (! ImageList_DrawProc))
|
|
{
|
|
ImageList_DrawProc = (IMAGE_DRAWPROC)GetProcAddress(hinstUxCtrl, "ImageList_DrawIndirect");
|
|
#if 1 // testing DrawThemeIcon()
|
|
ImageList_LoadProc = (IMAGE_LOADPROC)GetProcAddress(hinstUxCtrl, "ImageList_LoadImage");
|
|
ImageList_DestroyProc = (IMAGE_DESTROYPROC)GetProcAddress(hinstUxCtrl, "ImageList_Destroy");
|
|
#endif
|
|
|
|
CCDrawShadowText = (PFNDRAWSHADOWTEXT)GetProcAddress(hinstUxCtrl, "DrawShadowText");
|
|
}
|
|
|
|
if ((ImageList_DrawProc) && (CCDrawShadowText))
|
|
return S_OK;
|
|
|
|
return MakeError32(E_FAIL); // something went wrong
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL IsUnicode(LPCSTR pszBuff, int *piUnicodeStartOffset)
|
|
{
|
|
int iOffset = 0;
|
|
BOOL fUnicode = FALSE;
|
|
|
|
if ((pszBuff[0] == 0xff) && (pszBuff[1] == 0xfe)) // unicode marker
|
|
{
|
|
iOffset = 2;
|
|
fUnicode = TRUE;
|
|
}
|
|
else if (! pszBuff[1])
|
|
{
|
|
// this check works well for .ini files because of the limited
|
|
// legal chars it can start with
|
|
fUnicode = TRUE;
|
|
}
|
|
|
|
if (piUnicodeStartOffset)
|
|
*piUnicodeStartOffset = iOffset;
|
|
|
|
return fUnicode;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT AnsiToUnicode(LPSTR pszSource, LPWSTR pszDest, DWORD cchDest)
|
|
{
|
|
int len = 1 + static_cast<int>(strlen(pszSource));
|
|
|
|
int retval = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, pszSource, len,
|
|
pszDest, cchDest);
|
|
if (! retval)
|
|
return MakeErrorLast();
|
|
|
|
return S_OK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT AllocateTextFile(LPCWSTR szFileName, OUT LPWSTR *ppszFileText,
|
|
OUT OPTIONAL BOOL *pfWasAnsi)
|
|
{
|
|
HRESULT hr;
|
|
CSimpleFile infile;
|
|
|
|
hr = infile.Open(szFileName);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
//---- read the file ----
|
|
DWORD len = infile.GetFileSize();
|
|
|
|
//---- assume ANSI; adjust if UNICODE ----
|
|
DWORD dw;
|
|
LPSTR pOrig = (LPSTR) LocalAlloc(0, 2+len); // space for 2-byte UNICODE NULL
|
|
if (! pOrig)
|
|
return MakeErrorLast();
|
|
|
|
if (len)
|
|
{
|
|
hr = infile.Read((LPSTR)pOrig, len, &dw);
|
|
if (FAILED(hr))
|
|
{
|
|
LocalFree(pOrig);
|
|
return hr;
|
|
}
|
|
|
|
if (dw != len)
|
|
{
|
|
LocalFree(pOrig);
|
|
return MakeError32(E_FAIL);
|
|
}
|
|
}
|
|
|
|
infile.Close();
|
|
|
|
//---- null terminate for both cases ----
|
|
pOrig[len] = 0;
|
|
pOrig[len+1] = 0;
|
|
|
|
int iOffset;
|
|
|
|
if (IsUnicode(pOrig, &iOffset))
|
|
{
|
|
if ((iOffset) && (len)) // shift away the UNICODE signature bits
|
|
memmove(pOrig, pOrig+iOffset, len-iOffset);
|
|
|
|
*ppszFileText = (LPWSTR)pOrig;
|
|
|
|
if (pfWasAnsi)
|
|
*pfWasAnsi = FALSE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//---- need to translate to UNICODE ----
|
|
LPWSTR pUnicode = (LPWSTR) LocalAlloc(0, sizeof(WCHAR)*(len+1));
|
|
if (! pUnicode)
|
|
{
|
|
hr = MakeErrorLast();
|
|
LocalFree(pOrig);
|
|
return hr;
|
|
}
|
|
|
|
hr = AnsiToUnicode((LPSTR)pOrig, pUnicode, len+1);
|
|
if (FAILED(hr))
|
|
{
|
|
LocalFree(pOrig);
|
|
LocalFree(pUnicode);
|
|
return hr;
|
|
}
|
|
|
|
LocalFree(pOrig);
|
|
*ppszFileText = pUnicode;
|
|
|
|
if (pfWasAnsi)
|
|
*pfWasAnsi = TRUE;
|
|
|
|
return S_OK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT TextToFile(LPCWSTR szFileName, LPCWSTR szText)
|
|
{
|
|
CSimpleFile outfile;
|
|
HRESULT hr = outfile.Create(szFileName);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = outfile.Write((void*)szText, lstrlenW(szText)*sizeof(WCHAR));
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
outfile.Close();
|
|
|
|
return S_OK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT AddPathIfNeeded(
|
|
LPCWSTR pszFileName,
|
|
LPCWSTR pszPath,
|
|
LPWSTR pszFullName,
|
|
ULONG cchFullName)
|
|
{
|
|
HRESULT hr;
|
|
|
|
if (! pszFileName)
|
|
return MakeError32(E_FAIL);
|
|
|
|
DWORD len = lstrlen(pszFileName);
|
|
BOOL fQualified = ((*pszFileName == L'\\') || ((len > 1) && (pszFileName[1] == ':')));
|
|
|
|
if (fQualified)
|
|
{
|
|
if (cchFullName < len+1)
|
|
return MakeError32(E_FAIL);
|
|
|
|
hr = SafeStringCchCopyW(pszFullName, cchFullName, pszFileName);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
}
|
|
else
|
|
{
|
|
DWORD len2 = lstrlen(pszPath);
|
|
if (cchFullName < len+len2+2)
|
|
return MakeError32(E_FAIL);
|
|
|
|
if ((len2) && (pszPath[len2-1] == '\\'))
|
|
StringCchPrintfW(pszFullName, cchFullName, L"%s%psz", pszPath, pszFileName);
|
|
else
|
|
StringCchPrintfW(pszFullName, cchFullName, L"%s\\%s", pszPath, pszFileName);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HICON _GetWindowIcon(HWND hwnd, BOOL fPerferLargeIcon)
|
|
{
|
|
const WPARAM rgGetIconParam[] = { ICON_SMALL2, ICON_SMALL, ICON_BIG };
|
|
const WPARAM rgGetIconParamLarge[] = { ICON_BIG, ICON_SMALL2, ICON_SMALL };
|
|
const int rgClassIconParam[] = { GCLP_HICONSM, GCLP_HICON };
|
|
HICON hicon = NULL;
|
|
const WPARAM * pIcons = (fPerferLargeIcon ? rgGetIconParamLarge : rgGetIconParam);
|
|
int i;
|
|
|
|
// try WM_GETICON
|
|
for( i = 0; i < ARRAYSIZE(rgGetIconParam) && NULL == hicon; i++ )
|
|
{
|
|
SendMessageTimeout(hwnd, WM_GETICON, pIcons[i], 0, SMTO_ABORTIFHUNG | SMTO_BLOCK,
|
|
500, (PULONG_PTR)&hicon);
|
|
}
|
|
|
|
// try GetClassLong
|
|
for( i = 0; i < ARRAYSIZE(rgClassIconParam) && NULL == hicon; i++ )
|
|
{
|
|
// next we try the small class icon
|
|
hicon = (HICON)GetClassLongPtr(hwnd, rgClassIconParam[i]);
|
|
}
|
|
|
|
return hicon;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT SafeStringCchCopyW( LPWSTR pszDest, ULONG cchDest, LPCWSTR pszSrc )
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
|
|
if( pszDest )
|
|
{
|
|
if( cchDest )
|
|
{
|
|
if( pszSrc )
|
|
{
|
|
hr = StringCchCopyW(pszDest, cchDest, pszSrc);
|
|
}
|
|
else
|
|
{
|
|
*pszDest = 0;
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
ASSERT(hr != E_INVALIDARG);
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT SafeStringCmpIW( LPCWSTR psz1, LPCWSTR psz2, UINT cchMax, OUT int* piCompare )
|
|
{
|
|
*piCompare = 0;
|
|
size_t cch;
|
|
|
|
HRESULT hr = StringCchLengthW((LPWSTR)psz1, cchMax, &cch);
|
|
if( FAILED(hr) )
|
|
{
|
|
*piCompare = 1;
|
|
return hr;
|
|
}
|
|
|
|
hr = StringCchLengthW((LPWSTR)psz2, cchMax, &cch);
|
|
if( FAILED(hr) )
|
|
{
|
|
*piCompare = -1;
|
|
return hr;
|
|
}
|
|
|
|
*piCompare = lstrcmpiW(psz1, psz2);
|
|
return S_OK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
int string2number(LPCWSTR psz)
|
|
{
|
|
int temp = 0, base = 10;
|
|
int nNeg = 1;
|
|
|
|
if (*psz == L'-')
|
|
{
|
|
nNeg = -1;
|
|
psz++;
|
|
}
|
|
else if (*psz == L'+')
|
|
psz++;
|
|
if (*psz == '0')
|
|
{
|
|
++psz;
|
|
switch(*psz)
|
|
{
|
|
case L'X':
|
|
case L'x':
|
|
++psz;
|
|
base = 16;
|
|
break;
|
|
}
|
|
}
|
|
while (*psz)
|
|
{
|
|
switch (*psz)
|
|
{
|
|
case L'0': case L'1': case L'2': case L'3': case L'4':
|
|
case L'5': case L'6': case L'7': case L'8': case L'9':
|
|
temp = (temp * base) + (*psz++ - L'0');
|
|
break;
|
|
case L'a': case L'b': case L'c': case L'd': case L'e': case L'f':
|
|
if (base == 10)
|
|
return (nNeg*temp);
|
|
temp = (temp * base) + (*psz++ - L'a' + 10);
|
|
break;
|
|
case L'A': case L'B': case L'C': case L'D': case L'E': case L'F':
|
|
if (base == 10)
|
|
return (nNeg*temp);
|
|
temp = (temp * base) + (*psz++ - L'A' + 10);
|
|
break;
|
|
default:
|
|
return (nNeg*temp);
|
|
}
|
|
}
|
|
return (nNeg*temp);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL AsciiScanStringList(
|
|
LPCWSTR pwszString,
|
|
LPCWSTR* rgpwszList,
|
|
int cStrings,
|
|
BOOL fIgnoreCase )
|
|
{
|
|
int (* pfnCompare)( LPCWSTR, LPCWSTR ) =
|
|
fIgnoreCase ? AsciiStrCmpI : lstrcmp;
|
|
|
|
for( int i = 0; i < cStrings; i++ )
|
|
{
|
|
if( 0 == pfnCompare( pwszString, rgpwszList[i] ) )
|
|
{
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL UnExpandEnvironmentString(LPCWSTR pszPath, LPCWSTR pszEnvVar, LPWSTR pszResult, UINT cchResult)
|
|
{
|
|
DWORD nToCmp;
|
|
WCHAR szEnvVar[MAX_PATH];
|
|
szEnvVar[0] = 0;
|
|
|
|
ExpandEnvironmentStringsW(pszEnvVar, szEnvVar, ARRAYSIZE(szEnvVar)); // don't count the NULL
|
|
nToCmp = lstrlenW(szEnvVar);
|
|
|
|
if (CSTR_EQUAL == CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, szEnvVar, nToCmp, pszPath, nToCmp))
|
|
{
|
|
if (lstrlenW(pszPath) - (int)nToCmp + lstrlenW(pszEnvVar) < (int)cchResult)
|
|
{
|
|
StringCchCopyW(pszResult, cchResult, pszEnvVar);
|
|
StringCchCopyW(pszResult + lstrlenW(pszResult), cchResult, pszPath + nToCmp);
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT RegistryIntWrite(HKEY hKey, LPCWSTR pszValueName, int iValue)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
WCHAR valbuff[_MAX_PATH+1];
|
|
|
|
StringCchPrintfW(valbuff, ARRAYSIZE(valbuff), L"%d", iValue);
|
|
int len = (1 + lstrlen(valbuff)) * sizeof(WCHAR);
|
|
|
|
int code32 = RegSetValueEx(hKey, pszValueName, NULL, REG_SZ,
|
|
(BYTE *)valbuff, len);
|
|
|
|
if (code32 != ERROR_SUCCESS)
|
|
hr = MakeError32(code32);
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT RegistryStrWrite(HKEY hKey, LPCWSTR pszValueName, LPCWSTR pszValue)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
int len = (1 + lstrlen(pszValue)) * (sizeof(WCHAR));
|
|
|
|
int code32 = RegSetValueEx(hKey, pszValueName, NULL, REG_SZ,
|
|
(BYTE *)pszValue, len);
|
|
|
|
if (code32 != ERROR_SUCCESS)
|
|
hr = MakeError32(code32);
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT RegistryStrWriteExpand(HKEY hKey, LPCWSTR pszValueName, LPCWSTR pszValue)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
int len;
|
|
WCHAR szResult[_MAX_PATH + 1];
|
|
LPCWSTR pszPath = pszValue;
|
|
|
|
if (UnExpandEnvironmentString(pszValue, L"%SystemRoot%", szResult, ARRAYSIZE(szResult)))
|
|
pszPath = szResult;
|
|
|
|
len = (1 + lstrlen(pszPath)) * (sizeof(WCHAR));
|
|
|
|
int code32 = RegSetValueEx(hKey, pszValueName, NULL, REG_EXPAND_SZ,
|
|
(BYTE *)pszPath, len);
|
|
|
|
if (code32 != ERROR_SUCCESS)
|
|
hr = MakeError32(code32);
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT RegistryIntRead(HKEY hKey, LPCWSTR pszValueName, int *piValue)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
DWORD dwValType;
|
|
WCHAR valbuff[_MAX_PATH+1];
|
|
DWORD dwByteSize = sizeof(valbuff); // bytes, not chars
|
|
|
|
int code32 = RegQueryValueEx(hKey, pszValueName, NULL, &dwValType,
|
|
(BYTE *)valbuff, &dwByteSize);
|
|
|
|
if (code32 == ERROR_SUCCESS)
|
|
{
|
|
*piValue = string2number(valbuff);
|
|
}
|
|
else
|
|
hr = MakeError32(code32);
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT RegistryStrRead(HKEY hKey, LPCWSTR pszValueName, LPWSTR pszBuff, DWORD cchMax)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
DWORD dwValType = 0;
|
|
DWORD dwByteSize = cchMax * sizeof(WCHAR); // in bytes
|
|
|
|
int code32 = RegQueryValueEx(hKey, pszValueName, NULL, &dwValType,
|
|
(BYTE *)pszBuff, &dwByteSize);
|
|
|
|
if (code32 != ERROR_SUCCESS)
|
|
{
|
|
hr = MakeError32(code32);
|
|
goto exit;
|
|
}
|
|
|
|
if (dwValType == REG_EXPAND_SZ || wcschr(pszBuff, L'%'))
|
|
{
|
|
int cch = sizeof(WCHAR) * (1 + lstrlen(pszBuff));
|
|
LPWSTR pszTemp = new WCHAR[cch];
|
|
if (pszTemp)
|
|
{
|
|
StringCchCopyW(pszTemp, cch, pszBuff);
|
|
|
|
DWORD cchExpanded = ExpandEnvironmentStrings(pszTemp, pszBuff, cchMax);
|
|
if (cchExpanded > cchMax) // caller's buffer too small
|
|
{
|
|
hr = MakeError32(ERROR_INSUFFICIENT_BUFFER);
|
|
}
|
|
|
|
delete [] pszTemp;
|
|
}
|
|
}
|
|
|
|
exit:
|
|
return hr;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
BOOL PreMultiplyAlpha(DWORD *pPixelBuff, UINT iWidth, UINT iHeight)
|
|
{
|
|
BOOL fTrueAlpha = FALSE;
|
|
|
|
DWORD *pdw = pPixelBuff;
|
|
|
|
for (int i = iWidth * iHeight - 1; i >= 0; i--)
|
|
{
|
|
COLORREF cr = *pdw;
|
|
int iAlpha = ALPHACHANNEL(cr);
|
|
|
|
if ((iAlpha != 255) && (iAlpha != 0))
|
|
fTrueAlpha = TRUE;
|
|
|
|
pdw++;
|
|
}
|
|
|
|
pdw = pPixelBuff;
|
|
|
|
if (fTrueAlpha)
|
|
{
|
|
for (UINT r=0; r < iHeight; r++)
|
|
{
|
|
for (UINT c=0; c < iWidth; c++)
|
|
{
|
|
COLORREF cr = *pdw;
|
|
int iAlpha = ALPHACHANNEL(cr);
|
|
|
|
int iRed = (RED(cr)*iAlpha)/255;
|
|
int iGreen = (GREEN(cr)*iAlpha)/255;
|
|
int iBlue = (BLUE(cr)*iAlpha)/255;
|
|
|
|
*pdw++ = (RGB(iRed, iGreen, iBlue) | (iAlpha << 24));
|
|
}
|
|
}
|
|
}
|
|
|
|
return fTrueAlpha;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// IsBiDiLocalizedSystem is taken from stockthk.lib and simplified
|
|
// (it's only a wrapper for GetUserDefaultUILanguage and GetLocaleInfo)
|
|
//---------------------------------------------------------------------------
|
|
typedef struct {
|
|
LANGID LangID;
|
|
BOOL bInstalled;
|
|
} MUIINSTALLLANG, *LPMUIINSTALLLANG;
|
|
|
|
/***************************************************************************\
|
|
* ConvertHexStringToIntW
|
|
*
|
|
* Converts a hex numeric string into an integer.
|
|
*
|
|
* History:
|
|
* 14-June-1998 msadek Created
|
|
\***************************************************************************/
|
|
BOOL ConvertHexStringToIntW( WCHAR *pszHexNum , int *piNum )
|
|
{
|
|
int n=0L;
|
|
WCHAR *psz=pszHexNum;
|
|
|
|
for(n=0 ; ; psz=CharNextW(psz))
|
|
{
|
|
if( (*psz>='0') && (*psz<='9') )
|
|
n = 0x10 * n + *psz - '0';
|
|
else
|
|
{
|
|
WCHAR ch = *psz;
|
|
int n2;
|
|
|
|
if(ch >= 'a')
|
|
ch -= 'a' - 'A';
|
|
|
|
n2 = ch - 'A' + 0xA;
|
|
if (n2 >= 0xA && n2 <= 0xF)
|
|
n = 0x10 * n + n2;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Update results
|
|
*/
|
|
*piNum = n;
|
|
|
|
return (psz != pszHexNum);
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* Mirror_EnumUILanguagesProc
|
|
*
|
|
* Enumerates MUI installed languages on W2k
|
|
* History:
|
|
* 14-June-1999 msadek Created
|
|
\***************************************************************************/
|
|
|
|
BOOL CALLBACK Mirror_EnumUILanguagesProc(LPTSTR lpUILanguageString, LONG_PTR lParam)
|
|
{
|
|
int langID = 0;
|
|
|
|
ConvertHexStringToIntW(lpUILanguageString, &langID);
|
|
|
|
if((LANGID)langID == ((LPMUIINSTALLLANG)lParam)->LangID)
|
|
{
|
|
((LPMUIINSTALLLANG)lParam)->bInstalled = TRUE;
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* Mirror_IsUILanguageInstalled
|
|
*
|
|
* Verifies that the User UI language is installed on W2k
|
|
*
|
|
* History:
|
|
* 14-June-1999 msadek Created
|
|
\***************************************************************************/
|
|
BOOL Mirror_IsUILanguageInstalled( LANGID langId )
|
|
{
|
|
MUIINSTALLLANG MUILangInstalled = {0};
|
|
MUILangInstalled.LangID = langId;
|
|
|
|
EnumUILanguagesW(Mirror_EnumUILanguagesProc, 0, (LONG_PTR)&MUILangInstalled);
|
|
|
|
return MUILangInstalled.bInstalled;
|
|
}
|
|
|
|
/***************************************************************************\
|
|
* IsBiDiLocalizedSystemEx
|
|
*
|
|
* returns TRUE if running on a lozalized BiDi (Arabic/Hebrew) NT5 or Memphis.
|
|
* Should be called whenever SetProcessDefaultLayout is to be called.
|
|
*
|
|
* History:
|
|
* 02-Feb-1998 samera Created
|
|
\***************************************************************************/
|
|
BOOL IsBiDiLocalizedSystemEx( LANGID *pLangID )
|
|
{
|
|
int iLCID=0L;
|
|
static BOOL bRet = (BOOL)(DWORD)-1;
|
|
static LANGID langID = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);
|
|
|
|
if (bRet != (BOOL)(DWORD)-1)
|
|
{
|
|
if (bRet && pLangID)
|
|
{
|
|
*pLangID = langID;
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
bRet = FALSE;
|
|
/*
|
|
* Need to use NT5 detection method (Multiligual UI ID)
|
|
*/
|
|
langID = GetUserDefaultUILanguage();
|
|
|
|
if( langID )
|
|
{
|
|
WCHAR wchLCIDFontSignature[16];
|
|
iLCID = MAKELCID( langID , SORT_DEFAULT );
|
|
|
|
/*
|
|
* Let's verify this is a RTL (BiDi) locale. Since reg value is a hex string, let's
|
|
* convert to decimal value and call GetLocaleInfo afterwards.
|
|
* LOCALE_FONTSIGNATURE always gives back 16 WCHARs.
|
|
*/
|
|
|
|
if( GetLocaleInfoW( iLCID ,
|
|
LOCALE_FONTSIGNATURE ,
|
|
(WCHAR *) &wchLCIDFontSignature[0] ,
|
|
(sizeof(wchLCIDFontSignature)/sizeof(WCHAR))) )
|
|
{
|
|
|
|
/* Let's verify the bits we have a BiDi UI locale */
|
|
if(( wchLCIDFontSignature[7] & (WCHAR)0x0800) && Mirror_IsUILanguageInstalled(langID) )
|
|
{
|
|
bRet = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bRet && pLangID)
|
|
{
|
|
*pLangID = langID;
|
|
}
|
|
return bRet;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
|
|
BOOL IsBiDiLocalizedSystem( void )
|
|
{
|
|
return IsBiDiLocalizedSystemEx(NULL);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
|
|
BOOL GetWindowDesktopName(HWND hwnd, LPWSTR pszName, DWORD cchMax)
|
|
{
|
|
BOOL fGotName = FALSE;
|
|
|
|
DWORD dwThreadId = GetWindowThreadProcessId(hwnd, NULL);
|
|
HDESK hDesk = GetThreadDesktop(dwThreadId);
|
|
if (hDesk)
|
|
{
|
|
fGotName = GetUserObjectInformation(hDesk, UOI_NAME, pszName, cchMax*sizeof(WCHAR), NULL);
|
|
}
|
|
|
|
return fGotName;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void SafeSendMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
DWORD dwFlags = SMTO_BLOCK | SMTO_ABORTIFHUNG;
|
|
DWORD dwTimeout = 250; // .25 secs
|
|
ULONG_PTR puRetVal;
|
|
|
|
if (! SendMessageTimeout(hwnd, uMsg, wParam, lParam, dwFlags, dwTimeout, &puRetVal))
|
|
{
|
|
Log(LOG_TMLOAD, L"SEND TIMEOUT: msg=0x%x being POSTED to hwnd=0x%x",
|
|
uMsg, hwnd);
|
|
|
|
PostMessage(hwnd, uMsg, wParam, lParam);
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
int FontPointSize(int iFontHeight)
|
|
{
|
|
return -MulDiv(iFontHeight, 72, THEME_DPI);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void ScaleFontForHdcDpi(HDC hdc, LOGFONT *plf)
|
|
{
|
|
if (plf->lfHeight < 0) // specified in points
|
|
{
|
|
if (! hdc)
|
|
{
|
|
ScaleFontForScreenDpi(plf);
|
|
}
|
|
else
|
|
{
|
|
int iDpi = GetDeviceCaps(hdc, LOGPIXELSX);
|
|
plf->lfHeight = MulDiv(plf->lfHeight, iDpi, THEME_DPI);
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
int ScaleSizeForHdcDpi(HDC hdc, int iValue)
|
|
{
|
|
int iScaledValue;
|
|
|
|
if (! hdc)
|
|
{
|
|
iScaledValue = ScaleSizeForScreenDpi(iValue);
|
|
}
|
|
else
|
|
{
|
|
int iDpi = GetDeviceCaps(hdc, LOGPIXELSX);
|
|
iScaledValue = MulDiv(iValue, iDpi, THEME_DPI);
|
|
}
|
|
|
|
return iScaledValue;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
// --------------------------------------------------------------------------
|
|
// MinimumDisplayColorDepth
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: DWORD
|
|
//
|
|
// Purpose: Iterates all monitors attached to the system and finds those
|
|
// that are active. Returns the lowest bit depth availabe. This
|
|
// is the lowest common denominator.
|
|
//
|
|
// History: 2001-04-11 lmouton moved from services.cpp
|
|
// 2000-11-11 vtan created (rewritten from themeldr.cpp)
|
|
// --------------------------------------------------------------------------
|
|
|
|
DWORD MinimumDisplayColorDepth (void)
|
|
|
|
{
|
|
DWORD dwMinimumDepth, dwIndex;
|
|
bool fContinue;
|
|
DISPLAY_DEVICE displayDevice;
|
|
|
|
dwMinimumDepth = 0;
|
|
ZeroMemory(&displayDevice, sizeof(displayDevice));
|
|
dwIndex = 0;
|
|
do
|
|
{
|
|
displayDevice.cb = sizeof(displayDevice);
|
|
fContinue = (EnumDisplayDevices(NULL, dwIndex++, &displayDevice, 0) != FALSE);
|
|
if (fContinue)
|
|
{
|
|
if ((displayDevice.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) != 0)
|
|
{
|
|
DEVMODE devMode;
|
|
|
|
ZeroMemory(&devMode, sizeof(devMode));
|
|
devMode.dmSize = sizeof(devMode);
|
|
devMode.dmDriverExtra = 0;
|
|
if (EnumDisplaySettings(displayDevice.DeviceName, ENUM_CURRENT_SETTINGS, &devMode) != FALSE)
|
|
{
|
|
if ((dwMinimumDepth == 0) || (dwMinimumDepth > devMode.dmBitsPerPel))
|
|
{
|
|
dwMinimumDepth = devMode.dmBitsPerPel;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} while (fContinue);
|
|
|
|
// Note: We can fail here (return 0) because when a session is disconnected, the desktop is attached to
|
|
// a hidden display. OK to fail silently then.
|
|
|
|
return(dwMinimumDepth);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CheckMinColorDepth
|
|
//
|
|
// Arguments: hInst msstyle module handle
|
|
// dwCurMinDepth current minimum active screen resolution
|
|
// iIndex index to the color/size combo to test, or
|
|
// -1 to enumerate them all
|
|
//
|
|
// Returns: bool true if at least a color/size combo supports
|
|
// the current screen resolution
|
|
//
|
|
// History: 2001-04-11 lmouton created
|
|
// --------------------------------------------------------------------------
|
|
bool CheckMinColorDepth(HINSTANCE hInst, DWORD dwCurMinDepth, int iIndex)
|
|
{
|
|
BYTE *pBytes = NULL;
|
|
DWORD dwBytes = 0;
|
|
|
|
bool bMatch = true; // OK if the resource doesn't exist
|
|
|
|
if (SUCCEEDED(GetPtrToResource(hInst, L"MINDEPTH", MAKEINTRESOURCE(1), (void**) &pBytes, &dwBytes)) && dwBytes > 0)
|
|
{
|
|
bMatch = false;
|
|
|
|
if (iIndex != -1)
|
|
{
|
|
if (*((WORD*) pBytes + iIndex) <= dwCurMinDepth)
|
|
bMatch = true;
|
|
}
|
|
else
|
|
{
|
|
WORD wDepth = *((WORD*) pBytes);
|
|
|
|
while (wDepth != 0)
|
|
{
|
|
if (wDepth <= (WORD) dwCurMinDepth)
|
|
{
|
|
bMatch = true;
|
|
break;
|
|
}
|
|
pBytes += sizeof(WORD);
|
|
wDepth = *((WORD*) pBytes);
|
|
}
|
|
}
|
|
}
|
|
|
|
return bMatch;
|
|
}
|