Source code of Windows XP (NT5)
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#ifndef _INC_MLUISUPP
#define _INC_MLUISUPP
#include <shlwapi.h>
#include <shlwapip.h>
#ifdef __cplusplus
extern "C"
{
#endif
//+------------------------------------------------------------------
// Multilang Pluggable UI support
// inline functions defs (to centralize code)
//+------------------------------------------------------------------
#ifdef UNICODE
#define MLLoadString MLLoadStringW
#define MLLoadShellLangString MLLoadShellLangStringW
#define MLBuildResURLWrap MLBuildResURLWrapW
#define MLLoadResources MLLoadResourcesW
#define SHHtmlHelpOnDemandWrap SHHtmlHelpOnDemandWrapW
#define SHWinHelpOnDemandWrap SHWinHelpOnDemandWrapW
#else
#define MLLoadString MLLoadStringA
#define MLLoadShellLangString MLLoadShellLangStringA
#define MLBuildResURLWrap MLBuildResURLWrapA
#define MLLoadResources MLLoadResourcesA
#define SHHtmlHelpOnDemandWrap SHHtmlHelpOnDemandWrapA
#define SHWinHelpOnDemandWrap SHWinHelpOnDemandWrapA
#endif
void MLFreeResources(HINSTANCE hinstParent);
HINSTANCE MLGetHinst();
HINSTANCE MLLoadShellLangResources();
#ifdef MLUI_MESSAGEBOX
int MLShellMessageBox(HWND hWnd, LPCTSTR pszMsg, LPCTSTR pszTitle, UINT fuStyle, ...);
#endif
//
// The following should be both A and W suffixed
//
int MLLoadStringA(UINT id, LPSTR sz, UINT cchMax);
int MLLoadStringW(UINT id, LPWSTR sz, UINT cchMax);
int MLLoadShellLangStringA(UINT id, LPSTR sz, UINT cchMax);
int MLLoadShellLangStringW(UINT id, LPWSTR sz, UINT cchMax);
HRESULT MLBuildResURLWrapA(LPSTR pszLibFile,
HMODULE hModule,
DWORD dwCrossCodePage,
LPSTR pszResName,
LPSTR pszResURL,
int nBufSize,
LPSTR pszParentDll);
HRESULT MLBuildResURLWrapW(LPWSTR pszLibFile,
HMODULE hModule,
DWORD dwCrossCodePage,
LPWSTR pszResName,
LPWSTR pszResURL,
int nBufSize,
LPWSTR pszParentDll);
void MLLoadResourcesA(HINSTANCE hinstParent, LPSTR pszLocResDll);
void MLLoadResourcesW(HINSTANCE hinstParent, LPWSTR pszLocResDll);
HWND SHHtmlHelpOnDemandWrapA(HWND hwndCaller, LPCSTR pszFile, UINT uCommand, DWORD_PTR dwData, DWORD dwCrossCodePage);
HWND SHHtmlHelpOnDemandWrapW(HWND hwndCaller, LPCWSTR pszFile, UINT uCommand, DWORD_PTR dwData, DWORD dwCrossCodePage);
BOOL SHWinHelpOnDemandWrapA(HWND hwndCaller, LPCSTR lpszHelp, UINT uCommand, DWORD_PTR dwData);
BOOL SHWinHelpOnDemandWrapW(HWND hwndCaller, LPCWSTR lpszHelp, UINT uCommand, DWORD_PTR dwData);
//
// End of: The following should be both A and W suffixed
//
#ifdef MLUI_INIT
// WARNING: do not attempt to access any of these members directly
// these members may not be initialized until appropriate accessors
// are called, for example hinstLocRes won't be intialized until
// you call MLGetHinst()... so just call the accessor.
struct tagMLUI_INFO
{
HINSTANCE hinstLocRes;
HINSTANCE hinstParent;
WCHAR szLocResDll[MAX_PATH];
DWORD dwCrossCodePage;
} g_mluiInfo;
// REARCHITECT: These aren't thread safe... Do they need to be?
//
void MLLoadResourcesA(HINSTANCE hinstParent, LPSTR pszLocResDll)
{
#ifdef RIP
RIP(hinstParent != NULL);
RIP(pszLocResDll != NULL);
#endif
if (g_mluiInfo.hinstLocRes == NULL)
{
#ifdef MLUI_SUPPORT
// plugUI: resource dll == ?
// resource dll must be dynamically determined and loaded.
// but we are NOT allowed to LoadLibrary during process attach.
// therefore we cache the info we need and load later when
// the first resource is requested.
SHAnsiToUnicode(pszLocResDll, g_mluiInfo.szLocResDll, sizeof(g_mluiInfo.szLocResDll)/sizeof(g_mluiInfo.szLocResDll[0]));
g_mluiInfo.hinstParent = hinstParent;
g_mluiInfo.dwCrossCodePage = ML_CROSSCODEPAGE;
#else
// non-plugUI: resource dll == parent dll
g_mluiInfo.hinstLocRes = hinstParent;
#endif
}
}
void MLLoadResourcesW(HINSTANCE hinstParent, LPWSTR pszLocResDll)
{
#ifdef RIP
RIP(hinstParent != NULL);
RIP(pszLocResDll != NULL);
#endif
if (g_mluiInfo.hinstLocRes == NULL)
{
#ifdef MLUI_SUPPORT
// plugUI: resource dll == ?
// resource dll must be dynamically determined and loaded.
// but we are NOT allowed to LoadLibrary during process attach.
// therefore we cache the info we need and load later when
// the first resource is requested.
StrCpyNW(g_mluiInfo.szLocResDll, pszLocResDll, sizeof(g_mluiInfo.szLocResDll)/sizeof(g_mluiInfo.szLocResDll[0]));
g_mluiInfo.hinstParent = hinstParent;
g_mluiInfo.dwCrossCodePage = ML_CROSSCODEPAGE;
#else
// non-plugUI: resource dll == parent dll
g_mluiInfo.hinstLocRes = hinstParent;
#endif
}
}
void
MLFreeResources(HINSTANCE hinstParent)
{
if (g_mluiInfo.hinstLocRes != NULL &&
g_mluiInfo.hinstLocRes != hinstParent)
{
MLClearMLHInstance(g_mluiInfo.hinstLocRes);
g_mluiInfo.hinstLocRes = NULL;
}
}
// this is a private internal helper.
// don't you dare call it from anywhere except at
// the beginning of new ML* functions in this file
__inline void
_MLResAssure()
{
#ifdef MLUI_SUPPORT
if(g_mluiInfo.hinstLocRes == NULL)
{
g_mluiInfo.hinstLocRes = MLLoadLibraryW(g_mluiInfo.szLocResDll,
g_mluiInfo.hinstParent,
g_mluiInfo.dwCrossCodePage);
// we're guaranteed to at least have resources in the install language
ASSERT(g_mluiInfo.hinstLocRes != NULL);
}
#endif
}
int
MLLoadStringA(UINT id, LPSTR sz, UINT cchMax)
{
_MLResAssure();
return LoadStringA(g_mluiInfo.hinstLocRes, id, sz, cchMax);
}
int
MLLoadStringW(UINT id, LPWSTR sz, UINT cchMax)
{
_MLResAssure();
return LoadStringWrapW(g_mluiInfo.hinstLocRes, id, sz, cchMax);
}
int
MLLoadShellLangStringA(UINT id, LPSTR sz, UINT cchMax)
{
HINSTANCE hinstShellLangRes;
int nRet;
hinstShellLangRes = MLLoadShellLangResources();
nRet = LoadStringA(hinstShellLangRes, id, sz, cchMax);
MLFreeLibrary(hinstShellLangRes);
return nRet;
}
int
MLLoadShellLangStringW(UINT id, LPWSTR sz, UINT cchMax)
{
HINSTANCE hinstShellLangRes;
int nRet;
hinstShellLangRes = MLLoadShellLangResources();
nRet = LoadStringWrapW(hinstShellLangRes, id, sz, cchMax);
MLFreeLibrary(hinstShellLangRes);
return nRet;
}
HINSTANCE
MLGetHinst()
{
_MLResAssure();
return g_mluiInfo.hinstLocRes;
}
HINSTANCE
MLLoadShellLangResources()
{
HINSTANCE hinst;
hinst = MLLoadLibraryW(g_mluiInfo.szLocResDll,
g_mluiInfo.hinstParent,
ML_SHELL_LANGUAGE);
// we're guaranteed to at least have resources in the install language
// unless we're 100% toasted
return hinst;
}
#ifdef MLUI_MESSAGEBOX
int MLShellMessageBox(HWND hWnd, LPCTSTR pszMsg, LPCTSTR pszTitle, UINT fuStyle, ...)
{
va_list vaList;
int nRet = 0;
LPTSTR pszFormattedMsg = NULL;
TCHAR szTitleBuf[256];
TCHAR szBuffer[1024];
//
// prepare the message
//
if (IS_INTRESOURCE(pszMsg))
{
if (MLLoadShellLangString(LOWORD((DWORD_PTR)pszMsg), szBuffer, ARRAYSIZE(szBuffer)))
{
pszMsg = szBuffer;
}
}
if (!IS_INTRESOURCE(pszMsg) && // the string load might have failed
pszMsg != NULL)
{
va_start(vaList, fuStyle);
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
pszMsg, 0, 0, (LPTSTR)&pszFormattedMsg, 0, &vaList))
{
pszMsg = pszFormattedMsg;
}
va_end(vaList);
}
//
// prepare the title
//
if (!IS_INTRESOURCE(pszTitle) && pszTitle != NULL)
{
// do nothing
}
else if (pszTitle != NULL && MLLoadShellLangString(LOWORD((DWORD_PTR)pszTitle), szTitleBuf, ARRAYSIZE(szTitleBuf)))
{
pszTitle = szTitleBuf;
}
else if (hWnd && GetWindowText(hWnd, szTitleBuf, ARRAYSIZE(szTitleBuf)))
{
pszTitle = szTitleBuf;
}
else
{
pszTitle = TEXT("");
}
//
// launch a MessageBox
//
#ifdef SHFUSION_H
ULONG_PTR uCookie = 0;
SHActivateContext(&uCookie);
#endif
nRet = MessageBox(hWnd, pszFormattedMsg, pszTitle, fuStyle | MB_SETFOREGROUND);
#ifdef SHFUSION_H
if (uCookie)
{
SHDeactivateContext(uCookie);
}
#endif
if (pszFormattedMsg != NULL)
{
LocalFree(pszFormattedMsg);
}
return nRet;
}
#endif // MLUI_MESSAGEBOX
#include "htmlhelp.h"
HWND
SHHtmlHelpOnDemandWrapA(HWND hwndCaller,
LPCSTR pszFile,
UINT uCommand,
DWORD_PTR dwData,
DWORD dwCrossCodePage)
{
BOOL fEnabled;
ULONG_PTR uCookie = 0;
HWND hwnd = NULL;
#ifdef MLUI_SUPPORT
fEnabled = TRUE;
#else
fEnabled = FALSE;
#endif
#ifdef SHFUSION_H
SHActivateContext(&uCookie);
#endif
hwnd = SHHtmlHelpOnDemandA(hwndCaller,
pszFile,
uCommand,
dwData,
dwCrossCodePage,
fEnabled);
#ifdef SHFUSION_H
if (uCookie)
{
SHDeactivateContext(uCookie);
}
#endif
return hwnd;
}
HWND
SHHtmlHelpOnDemandWrapW(HWND hwndCaller,
LPCWSTR pszFile,
UINT uCommand,
DWORD_PTR dwData,
DWORD dwCrossCodePage)
{
BOOL fEnabled;
ULONG_PTR uCookie = 0;
HWND hwnd = NULL;
#ifdef MLUI_SUPPORT
fEnabled = TRUE;
#else
fEnabled = FALSE;
#endif
#ifdef SHFUSION_H
SHActivateContext(&uCookie);
#endif
hwnd = SHHtmlHelpOnDemandW(hwndCaller,
pszFile,
uCommand,
dwData,
dwCrossCodePage,
fEnabled);
#ifdef SHFUSION_H
if (uCookie)
{
SHDeactivateContext(uCookie);
}
#endif
return hwnd;
}
HWND
MLHtmlHelpWrap(HWND hwndCaller,
LPCTSTR pszFile,
UINT uCommand,
DWORD dwData,
DWORD dwCrossCodePage)
{
HWND hwnd;
ULONG_PTR uCookie = 0;
#ifdef SHFUSION_H
SHActivateContext(&uCookie);
#endif
#ifdef MLUI_SUPPORT
hwnd = MLHtmlHelp(hwndCaller,
pszFile,
uCommand,
dwData,
dwCrossCodePage);
#else
hwnd = HtmlHelp(hwndCaller,
pszFile,
uCommand,
dwData);
#endif
#ifdef SHFUSION_H
if (uCookie)
{
SHDeactivateContext(uCookie);
}
#endif
return hwnd;
}
BOOL
SHWinHelpOnDemandWrapA(HWND hwndCaller,
LPCSTR lpszHelp,
UINT uCommand,
DWORD_PTR dwData)
{
BOOL fEnabled;
#ifdef MLUI_SUPPORT
fEnabled = TRUE;
#else
fEnabled = FALSE;
#endif
return SHWinHelpOnDemandA(hwndCaller,
lpszHelp,
uCommand,
dwData,
fEnabled);
}
BOOL
SHWinHelpOnDemandWrapW(HWND hwndCaller,
LPCWSTR lpszHelp,
UINT uCommand,
DWORD_PTR dwData)
{
BOOL fEnabled;
#ifdef MLUI_SUPPORT
fEnabled = TRUE;
#else
fEnabled = FALSE;
#endif
return SHWinHelpOnDemandW(hwndCaller,
lpszHelp,
uCommand,
dwData,
fEnabled);
}
BOOL
MLWinHelpWrap(HWND hwndCaller,
LPCTSTR lpszHelp,
UINT uCommand,
DWORD dwData)
{
BOOL fRet;
#ifdef MLUI_SUPPORT
fRet = MLWinHelp(hwndCaller,
lpszHelp,
uCommand,
dwData);
#else
fRet = WinHelp(hwndCaller,
lpszHelp,
uCommand,
dwData);
#endif
return fRet;
}
HRESULT
MLBuildResURLWrapA(LPSTR pszLibFile,
HMODULE hModule,
DWORD dwCrossCodePage,
LPSTR pszResName,
LPSTR pszResURL,
int nBufSize,
LPSTR pszParentDll)
{
HRESULT hr;
#ifdef MLUI_SUPPORT
hr = MLBuildResURLA(pszLibFile,
hModule,
dwCrossCodePage,
pszResName,
pszResURL,
nBufSize);
#else
wnsprintfA(pszResURL, nBufSize, "res://%s/%s", pszParentDll, pszResName);
hr = S_OK;
#endif
return hr;
}
HRESULT
MLBuildResURLWrapW(LPWSTR pszLibFile,
HMODULE hModule,
DWORD dwCrossCodePage,
LPWSTR pszResName,
LPWSTR pszResURL,
int nBufSize,
LPWSTR pszParentDll)
{
HRESULT hr;
#ifdef MLUI_SUPPORT
hr = MLBuildResURLW(pszLibFile,
hModule,
dwCrossCodePage,
pszResName,
pszResURL,
nBufSize);
#else
wnsprintfW(pszResURL, nBufSize, L"res://%s/%s", pszParentDll, pszResName);
hr = S_OK;
#endif
return hr;
}
#endif // MLUI_INIT
#ifdef __cplusplus
};
#endif
#endif // _INC_MLUISUPP