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reactos/dll/win32/shell32/COpenWithMenu.cpp
Mark Jansen 75cabb07be
[SHELL32] Properly release an StgMedium
2019-10-20 17:10:11 +02:00

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/*
* Open With Context Menu extension
*
* Copyright 2007 Johannes Anderwald <johannes.anderwald@reactos.org>
* Copyright 2009 Andrew Hill
* Copyright 2012 Rafal Harabien
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "precomp.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
//
// [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]
// "NoInternetOpenWith"=dword:00000001
//
EXTERN_C BOOL PathIsExeW(LPCWSTR lpszPath);
class COpenWithList
{
public:
struct SApp
{
WCHAR wszFilename[MAX_PATH];
WCHAR wszCmd[MAX_PATH];
//WCHAR wszManufacturer[256];
WCHAR wszName[256];
BOOL bHidden;
BOOL bRecommended;
BOOL bMRUList;
HICON hIcon;
};
COpenWithList();
~COpenWithList();
BOOL Load();
SApp *Add(LPCWSTR pwszPath);
static BOOL SaveApp(SApp *pApp);
SApp *Find(LPCWSTR pwszFilename);
static LPCWSTR GetName(SApp *pApp);
static HICON GetIcon(SApp *pApp);
static BOOL Execute(SApp *pApp, LPCWSTR pwszFilePath);
static BOOL IsHidden(SApp *pApp);
inline BOOL IsNoOpen(VOID) { return m_bNoOpen; }
BOOL LoadRecommended(LPCWSTR pwszFilePath);
BOOL SetDefaultHandler(SApp *pApp, LPCWSTR pwszFilename);
inline SApp *GetList() { return m_pApp; }
inline UINT GetCount() { return m_cApp; }
inline UINT GetRecommendedCount() { return m_cRecommended; }
private:
typedef struct _LANGANDCODEPAGE
{
WORD lang;
WORD code;
} LANGANDCODEPAGE, *LPLANGANDCODEPAGE;
SApp *m_pApp;
UINT m_cApp, m_cRecommended;
BOOL m_bNoOpen;
SApp *AddInternal(LPCWSTR pwszFilename);
static BOOL LoadInfo(SApp *pApp);
static VOID GetPathFromCmd(LPWSTR pwszAppPath, LPCWSTR pwszCmd);
BOOL LoadProgIdList(HKEY hKey, LPCWSTR pwszExt);
static HANDLE OpenMRUList(HKEY hKey);
BOOL LoadMRUList(HKEY hKey);
BOOL LoadAppList(HKEY hKey);
VOID LoadFromProgIdKey(HKEY hKey, LPCWSTR pwszExt);
VOID LoadRecommendedFromHKCR(LPCWSTR pwszExt);
VOID LoadRecommendedFromHKCU(LPCWSTR pwszExt);
static BOOL AddAppToMRUList(SApp *pApp, LPCWSTR pwszFilename);
inline VOID SetRecommended(SApp *pApp)
{
if (!pApp->bRecommended)
++m_cRecommended;
pApp->bRecommended = TRUE;
}
};
COpenWithList::COpenWithList():
m_pApp(NULL), m_cApp(0), m_cRecommended(0), m_bNoOpen(FALSE) {}
COpenWithList::~COpenWithList()
{
for (UINT i = 0; i < m_cApp; ++i)
if (m_pApp[i].hIcon)
DestroyIcon(m_pApp[i].hIcon);
HeapFree(GetProcessHeap(), 0, m_pApp);
}
BOOL COpenWithList::Load()
{
HKEY hKey;
WCHAR wszName[256], wszBuf[100];;
DWORD i = 0, cchName, dwSize;
SApp *pApp;
if (RegOpenKeyEx(HKEY_CLASSES_ROOT, L"Applications", 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
ERR("RegOpenKeyEx HKCR\\Applications failed!\n");
return FALSE;
}
while (TRUE)
{
cchName = _countof(wszName);
if (RegEnumKeyEx(hKey, i++, wszName, &cchName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
break;
pApp = AddInternal(wszName);
if (pApp)
{
StringCbPrintfW(wszBuf, sizeof(wszBuf), L"%s\\shell\\open\\command", wszName);
dwSize = sizeof(pApp->wszCmd);
if (RegGetValueW(hKey, wszBuf, L"", RRF_RT_REG_SZ, NULL, pApp->wszCmd, &dwSize) != ERROR_SUCCESS)
{
ERR("Failed to add app %ls\n", wszName);
pApp->bHidden = TRUE;
}
else
TRACE("App added %ls\n", pApp->wszCmd);
}
else
ERR("AddInternal failed\n");
}
RegCloseKey(hKey);
return TRUE;
}
COpenWithList::SApp *COpenWithList::Add(LPCWSTR pwszPath)
{
SApp *pApp = AddInternal(PathFindFileNameW(pwszPath));
if (pApp)
{
StringCbPrintfW(pApp->wszCmd, sizeof(pApp->wszCmd), L"\"%s\" %%1", pwszPath);
SaveApp(pApp);
}
return pApp;
}
BOOL COpenWithList::SaveApp(SApp *pApp)
{
WCHAR wszBuf[256];
HKEY hKey;
StringCbPrintfW(wszBuf, sizeof(wszBuf), L"Applications\\%s\\shell\\open\\command", pApp->wszFilename);
if (RegCreateKeyEx(HKEY_CLASSES_ROOT, wszBuf, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
{
ERR("RegOpenKeyEx failed\n");
return FALSE;
}
if (RegSetValueEx(hKey, L"", 0, REG_SZ, (PBYTE)pApp->wszCmd, (wcslen(pApp->wszCmd)+1)*sizeof(WCHAR)) != ERROR_SUCCESS)
ERR("Cannot add app to registry\n");
RegCloseKey(hKey);
return TRUE;
}
COpenWithList::SApp *COpenWithList::Find(LPCWSTR pwszFilename)
{
for (UINT i = 0; i < m_cApp; ++i)
if (wcsicmp(m_pApp[i].wszFilename, pwszFilename) == 0)
return &m_pApp[i];
return NULL;
}
LPCWSTR COpenWithList::GetName(SApp *pApp)
{
if (!pApp->wszName[0])
{
if (!LoadInfo(pApp))
{
WARN("Failed to load %ls info\n", pApp->wszFilename);
StringCbCopyW(pApp->wszName, sizeof(pApp->wszName), pApp->wszFilename);
}
}
TRACE("%ls name: %ls\n", pApp->wszFilename, pApp->wszName);
return pApp->wszName;
}
HICON COpenWithList::GetIcon(SApp *pApp)
{
if (!pApp->hIcon)
{
WCHAR wszPath[MAX_PATH];
GetPathFromCmd(wszPath, pApp->wszCmd);
ExtractIconExW(wszPath, 0, NULL, &pApp->hIcon, 1);
}
TRACE("%ls icon: %p\n", pApp->wszFilename, pApp->hIcon);
return pApp->hIcon;
}
BOOL COpenWithList::Execute(COpenWithList::SApp *pApp, LPCWSTR pwszFilePath)
{
WCHAR wszBuf[256];
HKEY hKey;
/* Add app to registry if it wasnt there before */
SaveApp(pApp);
if (!pApp->bMRUList)
AddAppToMRUList(pApp, pwszFilePath);
/* Get a handle to the reg key */
StringCbPrintfW(wszBuf, sizeof(wszBuf), L"Applications\\%s", pApp->wszFilename);
if (RegCreateKeyEx(HKEY_CLASSES_ROOT, wszBuf, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
{
ERR("RegOpenKeyEx failed\n");
return FALSE;
}
/* Let ShellExecuteExW do the work */
SHELLEXECUTEINFOW sei = {sizeof(SHELLEXECUTEINFOW), SEE_MASK_CLASSKEY};
sei.nShow = SW_SHOWNORMAL;
sei.hkeyClass = hKey;
sei.lpFile = pwszFilePath;
ShellExecuteExW(&sei);
return TRUE;
}
BOOL COpenWithList::IsHidden(SApp *pApp)
{
WCHAR wszBuf[100];
DWORD dwSize = 0;
if (pApp->bHidden)
return pApp->bHidden;
if (FAILED(StringCbPrintfW(wszBuf, sizeof(wszBuf), L"Applications\\%s", pApp->wszFilename)))
{
ERR("insufficient buffer\n");
return FALSE;
}
if (RegGetValueW(HKEY_CLASSES_ROOT, wszBuf, L"NoOpenWith", RRF_RT_REG_SZ, NULL, NULL, &dwSize) != ERROR_SUCCESS)
return FALSE;
pApp->bHidden = TRUE;
return TRUE;
}
COpenWithList::SApp *COpenWithList::AddInternal(LPCWSTR pwszFilename)
{
/* Check for duplicate */
SApp *pApp = Find(pwszFilename);
if (pApp)
return pApp;
/* Create new item */
if (!m_pApp)
m_pApp = static_cast<SApp *>(HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(m_pApp[0])));
else
m_pApp = static_cast<SApp *>(HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, m_pApp, (m_cApp + 1)*sizeof(m_pApp[0])));
if (!m_pApp)
{
ERR("Allocation failed\n");
return NULL;
}
pApp = &m_pApp[m_cApp++];
wcscpy(pApp->wszFilename, pwszFilename);
return pApp;
}
BOOL COpenWithList::LoadInfo(COpenWithList::SApp *pApp)
{
UINT cbSize, cchLen;
LPVOID pBuf;
WORD wLang = 0, wCode = 0;
LPLANGANDCODEPAGE lpLangCode;
WCHAR wszBuf[100];
WCHAR *pResult;
WCHAR wszPath[MAX_PATH];
GetPathFromCmd(wszPath, pApp->wszCmd);
TRACE("LoadInfo %ls\n", wszPath);
/* query version info size */
cbSize = GetFileVersionInfoSizeW(wszPath, NULL);
if (!cbSize)
{
ERR("GetFileVersionInfoSizeW %ls failed: %lu\n", wszPath, GetLastError());
return FALSE;
}
/* allocate buffer */
pBuf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cbSize + 200);
if (!pBuf)
{
ERR("HeapAlloc failed\n");
return FALSE;
}
/* query version info */
if (!GetFileVersionInfoW(wszPath, 0, cbSize, pBuf))
{
ERR("GetFileVersionInfoW %ls failed: %lu\n", wszPath, GetLastError());
HeapFree(GetProcessHeap(), 0, pBuf);
return FALSE;
}
/* query lang code */
if (VerQueryValueW(pBuf, L"VarFileInfo\\Translation", (LPVOID*)&lpLangCode, &cbSize))
{
/* FIXME: find language from current locale / if not available,
* default to english
* for now default to first available language
*/
wLang = lpLangCode->lang;
wCode = lpLangCode->code;
}
/* Query name */
swprintf(wszBuf, L"\\StringFileInfo\\%04x%04x\\FileDescription", wLang, wCode);
if (VerQueryValueW(pBuf, wszBuf, (LPVOID *)&pResult, &cchLen))
StringCchCopyNW(pApp->wszName, _countof(pApp->wszName), pResult, cchLen);
else
ERR("Cannot get app name\n");
/* Query manufacturer */
/*swprintf(wszBuf, L"\\StringFileInfo\\%04x%04x\\CompanyName", wLang, wCode);
if (VerQueryValueW(pBuf, wszBuf, (LPVOID *)&pResult, &cchLen))
StringCchCopyNW(pApp->wszManufacturer, _countof(pApp->wszManufacturer), pResult, cchLen);*/
HeapFree(GetProcessHeap(), 0, pBuf);
return TRUE;
}
VOID COpenWithList::GetPathFromCmd(LPWSTR pwszAppPath, LPCWSTR pwszCmd)
{
WCHAR wszBuf[MAX_PATH], *pwszDest = wszBuf;
/* Remove arguments */
if (pwszCmd[0] == '"')
{
for(LPCWSTR pwszSrc = pwszCmd + 1; *pwszSrc && *pwszSrc != '"'; ++pwszSrc)
*(pwszDest++) = *pwszSrc;
}
else
{
for(LPCWSTR pwszSrc = pwszCmd; *pwszSrc && *pwszSrc != ' '; ++pwszSrc)
*(pwszDest++) = *pwszSrc;
}
*pwszDest = 0;
/* Expand evn vers and optionally search for path */
ExpandEnvironmentStrings(wszBuf, pwszAppPath, MAX_PATH);
if (!PathFileExists(pwszAppPath))
SearchPath(NULL, pwszAppPath, NULL, MAX_PATH, pwszAppPath, NULL);
}
BOOL COpenWithList::LoadRecommended(LPCWSTR pwszFilePath)
{
LPCWSTR pwszExt;
pwszExt = PathFindExtensionW(pwszFilePath);
if (!pwszExt[0])
return FALSE;
/* load programs directly associated from HKCU */
LoadRecommendedFromHKCU(pwszExt);
/* load programs associated from HKCR\Extension */
LoadRecommendedFromHKCR(pwszExt);
return TRUE;
}
BOOL COpenWithList::LoadProgIdList(HKEY hKey, LPCWSTR pwszExt)
{
HKEY hSubkey, hSubkey2;
WCHAR wszProgId[256];
DWORD i = 0, cchProgId;
if (RegOpenKeyExW(hKey, L"OpenWithProgIDs", 0, KEY_READ, &hSubkey) != ERROR_SUCCESS)
return FALSE;
while (TRUE)
{
/* Enumerate values - value name is ProgId */
cchProgId = _countof(wszProgId);
if (RegEnumValue(hSubkey, i++, wszProgId, &cchProgId, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
break;
/* If ProgId exists load it */
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, wszProgId, 0, KEY_READ, &hSubkey2) == ERROR_SUCCESS)
{
LoadFromProgIdKey(hSubkey2, pwszExt);
RegCloseKey(hSubkey2);
}
}
RegCloseKey(hSubkey);
return TRUE;
}
HANDLE COpenWithList::OpenMRUList(HKEY hKey)
{
CREATEMRULISTW Info;
/* Initialize mru list info */
Info.cbSize = sizeof(Info);
Info.nMaxItems = 32;
Info.dwFlags = MRU_STRING;
Info.hKey = hKey;
Info.lpszSubKey = L"OpenWithList";
Info.lpfnCompare = NULL;
return CreateMRUListW(&Info);
}
BOOL COpenWithList::LoadMRUList(HKEY hKey)
{
HANDLE hList;
int nItem, nCount, nResult;
WCHAR wszAppFilename[MAX_PATH];
/* Open MRU list */
hList = OpenMRUList(hKey);
if (!hList)
{
TRACE("OpenMRUList failed\n");
return FALSE;
}
/* Get list count */
nCount = EnumMRUListW(hList, -1, NULL, 0);
for(nItem = 0; nItem < nCount; nItem++)
{
nResult = EnumMRUListW(hList, nItem, wszAppFilename, _countof(wszAppFilename));
if (nResult <= 0)
continue;
/* Insert item */
SApp *pApp = Find(wszAppFilename);
TRACE("Recommended app %ls: %p\n", wszAppFilename, pApp);
if (pApp)
{
pApp->bMRUList = TRUE;
SetRecommended(pApp);
}
}
/* Free the MRU list */
FreeMRUList(hList);
return TRUE;
}
BOOL COpenWithList::LoadAppList(HKEY hKey)
{
WCHAR wszAppFilename[MAX_PATH];
HKEY hSubkey;
DWORD i = 0, cchAppFilename;
if (RegOpenKeyExW(hKey, L"OpenWithList", 0, KEY_READ, &hSubkey) != ERROR_SUCCESS)
return FALSE;
while (TRUE)
{
/* Enum registry keys - each of them is app name */
cchAppFilename = _countof(wszAppFilename);
if (RegEnumKeyExW(hSubkey, i++, wszAppFilename, &cchAppFilename, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
break;
/* Set application as recommended */
SApp *pApp = Find(wszAppFilename);
TRACE("Recommended app %ls: %p\n", wszAppFilename, pApp);
if (pApp)
SetRecommended(pApp);
}
RegCloseKey(hSubkey);
return TRUE;
}
VOID COpenWithList::LoadFromProgIdKey(HKEY hKey, LPCWSTR pwszExt)
{
WCHAR wszCmd[MAX_PATH], wszPath[MAX_PATH];
DWORD dwSize = 0;
/* Check if NoOpen value exists */
if (RegGetValueW(hKey, NULL, L"NoOpen", RRF_RT_REG_SZ, NULL, NULL, &dwSize) == ERROR_SUCCESS)
{
/* Display warning dialog */
m_bNoOpen = TRUE;
}
/* Check if there is a directly available execute key */
dwSize = sizeof(wszCmd);
if (RegGetValueW(hKey, L"shell\\open\\command", NULL, RRF_RT_REG_SZ, NULL, (PVOID)wszCmd, &dwSize) == ERROR_SUCCESS)
{
/* Erase extra arguments */
GetPathFromCmd(wszPath, wszCmd);
/* Add application */
SApp *pApp = AddInternal(PathFindFileNameW(wszPath));
TRACE("Add app %ls: %p\n", wszPath, pApp);
if (pApp)
{
StringCbCopyW(pApp->wszCmd, sizeof(pApp->wszCmd), wszCmd);
SetRecommended(pApp);
if (!pApp->bMRUList)
AddAppToMRUList(pApp, pwszExt);
}
}
}
VOID COpenWithList::LoadRecommendedFromHKCR(LPCWSTR pwszExt)
{
HKEY hKey, hSubkey;
WCHAR wszBuf[MAX_PATH], wszBuf2[MAX_PATH];
DWORD dwSize;
/* Check if extension exists */
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, pwszExt, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
/* Load items from SystemFileAssociations\Ext key */
StringCbPrintfW(wszBuf, sizeof(wszBuf), L"SystemFileAssociations\\%s", pwszExt);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, wszBuf, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
return;
}
/* Load programs referenced from HKCR\ProgId */
dwSize = sizeof(wszBuf);
if (RegGetValueW(hKey, NULL, L"", RRF_RT_REG_SZ, NULL, wszBuf, &dwSize) == ERROR_SUCCESS &&
RegOpenKeyExW(HKEY_CLASSES_ROOT, wszBuf, 0, KEY_READ, &hSubkey) == ERROR_SUCCESS)
{
LoadFromProgIdKey(hSubkey, pwszExt);
RegCloseKey(hSubkey);
}
else
LoadFromProgIdKey(hKey, pwszExt);
/* Load items from HKCR\Ext\OpenWithList */
LoadAppList(hKey);
/* Load items from HKCR\Ext\OpenWithProgIDs */
if (RegOpenKeyExW(hKey, L"OpenWithProgIDs", 0, KEY_READ, &hSubkey) == ERROR_SUCCESS)
{
LoadProgIdList(hSubkey, pwszExt);
RegCloseKey(hSubkey);
}
/* Load additional items from referenced PerceivedType */
dwSize = sizeof(wszBuf);
if (RegGetValueW(hKey, NULL, L"PerceivedType", RRF_RT_REG_SZ, NULL, wszBuf, &dwSize) == ERROR_SUCCESS)
{
StringCbPrintfW(wszBuf2, sizeof(wszBuf2), L"SystemFileAssociations\\%s", wszBuf);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, wszBuf2, 0, KEY_READ | KEY_WRITE, &hSubkey) == ERROR_SUCCESS)
{
/* Load from OpenWithList key */
LoadAppList(hSubkey);
RegCloseKey(hSubkey);
}
}
/* Close the key */
RegCloseKey(hKey);
}
VOID COpenWithList::LoadRecommendedFromHKCU(LPCWSTR pwszExt)
{
WCHAR wszBuf[MAX_PATH];
HKEY hKey;
StringCbPrintfW(wszBuf, sizeof(wszBuf),
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\%s",
pwszExt);
if (RegOpenKeyExW(HKEY_CURRENT_USER, wszBuf, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
/* Load MRU and ProgId lists */
LoadMRUList(hKey);
LoadProgIdList(hKey, pwszExt);
/* Handle "Aplication" value */
DWORD cbBuf = sizeof(wszBuf);
if (RegGetValueW(hKey, NULL, L"Application", RRF_RT_REG_SZ, NULL, wszBuf, &cbBuf) == ERROR_SUCCESS)
{
SApp *pApp = Find(wszBuf);
if (pApp)
SetRecommended(pApp);
}
/* Close the key */
RegCloseKey(hKey);
}
}
BOOL COpenWithList::AddAppToMRUList(SApp *pApp, LPCWSTR pwszFilename)
{
WCHAR wszBuf[100];
LPCWSTR pwszExt;
HKEY hKey;
HANDLE hList;
/* Get file extension */
pwszExt = PathFindExtensionW(pwszFilename);
if (!pwszExt[0])
return FALSE;
/* Build registry key */
if (FAILED(StringCbPrintfW(wszBuf, sizeof(wszBuf),
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\%s",
pwszExt)))
{
ERR("insufficient buffer\n");
return FALSE;
}
/* Open base key for this file extension */
if (RegCreateKeyExW(HKEY_CURRENT_USER, wszBuf, 0, NULL, 0, KEY_WRITE | KEY_READ, NULL, &hKey, NULL) != ERROR_SUCCESS)
return FALSE;
/* Open MRU list */
hList = OpenMRUList(hKey);
if (hList)
{
/* Insert the entry */
AddMRUStringW(hList, pApp->wszFilename);
/* Close MRU list */
FreeMRUList(hList);
}
RegCloseKey(hKey);
return TRUE;
}
BOOL COpenWithList::SetDefaultHandler(SApp *pApp, LPCWSTR pwszFilename)
{
HKEY hKey, hSrcKey, hDestKey;
WCHAR wszBuf[256];
TRACE("SetDefaultHandler %ls %ls\n", pApp->wszFilename, pwszFilename);
/* Extract file extension */
LPCWSTR pwszExt = PathFindExtensionW(pwszFilename);
if (!pwszExt[0] || !pwszExt[1])
return FALSE;
/* Create file extension key */
if (RegCreateKeyExW(HKEY_CLASSES_ROOT, pwszExt, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
{
ERR("Cannot open ext key");
return FALSE;
}
DWORD dwSize = sizeof(wszBuf);
LONG lResult = RegGetValueW(hKey, NULL, L"", RRF_RT_REG_SZ, NULL, wszBuf, &dwSize);
if (lResult == ERROR_FILE_NOT_FOUND)
{
/* A new entry was created or the default key is not set: set the prog key id */
StringCbPrintfW(wszBuf, sizeof(wszBuf), L"%s_auto_file", pwszExt + 1);
if (RegSetValueExW(hKey, L"", 0, REG_SZ, (const BYTE*)wszBuf, (wcslen(wszBuf) + 1) * sizeof(WCHAR)) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
ERR("RegSetValueExW failed\n");
return FALSE;
}
}
else if (lResult != ERROR_SUCCESS)
{
RegCloseKey(hKey);
ERR("RegGetValueExW failed: 0x%08x\n", lResult);
return FALSE;
}
/* Close file extension key */
RegCloseKey(hKey);
/* Create prog id key */
if (RegCreateKeyExW(HKEY_CLASSES_ROOT, wszBuf, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
{
ERR("RegCreateKeyExW failed\n");
return FALSE;
}
/* Check if there already verbs existing for that app */
StringCbPrintfW(wszBuf, sizeof(wszBuf), L"Applications\\%s\\shell", pApp->wszFilename);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, wszBuf, 0, KEY_READ, &hSrcKey) != ERROR_SUCCESS)
{
ERR("RegOpenKeyExW %ls failed\n", wszBuf);
RegCloseKey(hKey);
return FALSE;
}
/* Open destination key */
if (RegCreateKeyExW(hKey, L"shell", 0, NULL, 0, KEY_WRITE, NULL, &hDestKey, NULL) != ERROR_SUCCESS)
{
ERR("RegCreateKeyExW failed\n");
RegCloseKey(hSrcKey);
RegCloseKey(hKey);
return FALSE;
}
/* Copy static verbs from Classes\Applications key */
/* FIXME: SHCopyKey does not copy the security attributes of the keys */
LSTATUS Result = SHCopyKeyW(hSrcKey, NULL, hDestKey, 0);
RegCloseKey(hDestKey);
RegCloseKey(hSrcKey);
RegCloseKey(hKey);
if (Result != ERROR_SUCCESS)
{
ERR("SHCopyKeyW failed\n");
return FALSE;
}
return TRUE;
}
class COpenWithDialog
{
public:
COpenWithDialog(const OPENASINFO *pInfo, COpenWithList *pAppList);
~COpenWithDialog();
static INT_PTR CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL IsNoOpen(HWND hwnd);
private:
VOID Init(HWND hwnd);
VOID AddApp(COpenWithList::SApp *pApp, BOOL bSelected);
VOID Browse();
VOID Accept();
static INT_PTR CALLBACK NoOpenDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);
COpenWithList::SApp *GetCurrentApp();
const OPENASINFO *m_pInfo;
COpenWithList *m_pAppList;
BOOL m_bListAllocated;
HWND m_hDialog, m_hTreeView;
HTREEITEM m_hRecommend;
HTREEITEM m_hOther;
HIMAGELIST m_hImgList;
BOOL m_bNoOpen;
};
COpenWithDialog::COpenWithDialog(const OPENASINFO *pInfo, COpenWithList *pAppList = NULL):
m_pInfo(pInfo), m_pAppList(pAppList), m_hImgList(NULL), m_bNoOpen(FALSE)
{
if (!m_pAppList)
{
m_pAppList = new COpenWithList;
m_bListAllocated = TRUE;
}
else
m_bListAllocated = FALSE;
}
COpenWithDialog::~COpenWithDialog()
{
if (m_bListAllocated && m_pAppList)
delete m_pAppList;
if (m_hImgList)
ImageList_Destroy(m_hImgList);
}
INT_PTR CALLBACK COpenWithDialog::NoOpenDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
switch(Message)
{
case WM_INITDIALOG:
{
return TRUE;
}
case WM_CLOSE:
EndDialog(hwnd, IDNO);
break;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDYES:
EndDialog(hwnd, IDYES);
break;
case IDNO:
EndDialog(hwnd, IDNO);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
BOOL COpenWithDialog::IsNoOpen(HWND hwnd)
{
/* Only do the actual check if the file type has the 'NoOpen' flag. */
if (m_bNoOpen)
{
int dReturnValue = DialogBox(shell32_hInstance, MAKEINTRESOURCE(IDD_NOOPEN), hwnd, NoOpenDlgProc);
if (dReturnValue == IDNO)
return TRUE;
else if (dReturnValue == -1)
{
ERR("IsNoOpen failed to load the dialog box.");
return TRUE;
}
}
return FALSE;
}
VOID COpenWithDialog::AddApp(COpenWithList::SApp *pApp, BOOL bSelected)
{
LPCWSTR pwszName = m_pAppList->GetName(pApp);
HICON hIcon = m_pAppList->GetIcon(pApp);
TRACE("AddApp Cmd %ls Name %ls\n", pApp->wszCmd, pwszName);
/* Add item to the list */
TVINSERTSTRUCT tvins;
if (pApp->bRecommended)
tvins.hParent = tvins.hInsertAfter = m_hRecommend;
else
tvins.hParent = tvins.hInsertAfter = m_hOther;
tvins.item.mask = TVIF_TEXT|TVIF_PARAM;
tvins.item.pszText = (LPWSTR)pwszName;
tvins.item.lParam = (LPARAM)pApp;
if (hIcon)
{
tvins.item.mask |= TVIF_IMAGE | TVIF_SELECTEDIMAGE;
tvins.item.iImage = tvins.item.iSelectedImage = ImageList_AddIcon(m_hImgList, hIcon);
}
HTREEITEM hItem = TreeView_InsertItem(m_hTreeView, &tvins);
if (bSelected)
TreeView_SelectItem(m_hTreeView, hItem);
}
VOID COpenWithDialog::Browse()
{
WCHAR wszTitle[64];
WCHAR wszFilter[256];
WCHAR wszPath[MAX_PATH];
OPENFILENAMEW ofn;
/* Initialize OPENFILENAMEW structure */
ZeroMemory(&ofn, sizeof(OPENFILENAMEW));
ofn.lStructSize = sizeof(OPENFILENAMEW);
ofn.hInstance = shell32_hInstance;
ofn.hwndOwner = m_hDialog;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
ofn.nMaxFile = (sizeof(wszPath) / sizeof(WCHAR));
ofn.lpstrFile = wszPath;
ofn.lpstrInitialDir = L"%programfiles%";
/* Init title */
if (LoadStringW(shell32_hInstance, IDS_OPEN_WITH, wszTitle, sizeof(wszTitle) / sizeof(WCHAR)))
{
ofn.lpstrTitle = wszTitle;
ofn.nMaxFileTitle = wcslen(wszTitle);
}
/* Init the filter string */
if (LoadStringW(shell32_hInstance, IDS_OPEN_WITH_FILTER, wszFilter, sizeof(wszFilter) / sizeof(WCHAR)))
ofn.lpstrFilter = wszFilter;
ZeroMemory(wszPath, sizeof(wszPath));
/* Create OpenFile dialog */
if (!GetOpenFileNameW(&ofn))
return;
/* Setup context for insert proc */
COpenWithList::SApp *pApp = m_pAppList->Add(wszPath);
AddApp(pApp, TRUE);
}
COpenWithList::SApp *COpenWithDialog::GetCurrentApp()
{
TVITEM tvi;
tvi.hItem = TreeView_GetSelection(m_hTreeView);
if (!tvi.hItem)
return NULL;
tvi.mask = TVIF_PARAM;
if (!TreeView_GetItem(m_hTreeView, &tvi))
return NULL;
return (COpenWithList::SApp*)tvi.lParam;
}
VOID COpenWithDialog::Init(HWND hwnd)
{
TRACE("COpenWithDialog::Init hwnd %p\n", hwnd);
m_hDialog = hwnd;
SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)this);
/* Handle register checkbox */
HWND hRegisterCheckbox = GetDlgItem(hwnd, 14003);
if (!(m_pInfo->oaifInFlags & OAIF_ALLOW_REGISTRATION))
EnableWindow(hRegisterCheckbox, FALSE);
if (m_pInfo->oaifInFlags & OAIF_FORCE_REGISTRATION)
SendMessage(hRegisterCheckbox, BM_SETCHECK, BST_CHECKED, 0);
if (m_pInfo->oaifInFlags & OAIF_HIDE_REGISTRATION)
ShowWindow(hRegisterCheckbox, SW_HIDE);
if (m_pInfo->pcszFile)
{
WCHAR wszBuf[MAX_PATH];
UINT cchBuf;
/* Add filename to label */
cchBuf = GetDlgItemTextW(hwnd, 14001, wszBuf, _countof(wszBuf));
StringCchCopyW(wszBuf + cchBuf, _countof(wszBuf) - cchBuf, PathFindFileNameW(m_pInfo->pcszFile));
SetDlgItemTextW(hwnd, 14001, wszBuf);
/* Load applications from registry */
m_pAppList->Load();
m_pAppList->LoadRecommended(m_pInfo->pcszFile);
/* Determine if the type of file can be opened directly from the shell */
if (m_pAppList->IsNoOpen() != FALSE)
m_bNoOpen = TRUE;
/* Init treeview */
m_hTreeView = GetDlgItem(hwnd, 14002);
m_hImgList = ImageList_Create(16, 16, ILC_COLOR32 | ILC_MASK, m_pAppList->GetCount() + 1, m_pAppList->GetCount() + 1);
(void)TreeView_SetImageList(m_hTreeView, m_hImgList, TVSIL_NORMAL);
/* If there are some recommendations add parent nodes: Recommended and Others */
UINT cRecommended = m_pAppList->GetRecommendedCount();
if (cRecommended > 0)
{
TVINSERTSTRUCT tvins;
HICON hFolderIcon;
tvins.hParent = tvins.hInsertAfter = TVI_ROOT;
tvins.item.mask = TVIF_TEXT|TVIF_STATE|TVIF_IMAGE|TVIF_SELECTEDIMAGE;
tvins.item.pszText = (LPWSTR)wszBuf;
tvins.item.state = tvins.item.stateMask = TVIS_EXPANDED;
hFolderIcon = (HICON)LoadImage(shell32_hInstance, MAKEINTRESOURCE(IDI_SHELL_PROGRAMS_FOLDER), IMAGE_ICON, 0, 0, 0);
tvins.item.iImage = tvins.item.iSelectedImage = ImageList_AddIcon(m_hImgList, hFolderIcon);
LoadStringW(shell32_hInstance, IDS_OPEN_WITH_RECOMMENDED, wszBuf, _countof(wszBuf));
m_hRecommend = TreeView_InsertItem(m_hTreeView, &tvins);
LoadStringW(shell32_hInstance, IDS_OPEN_WITH_OTHER, wszBuf, _countof(wszBuf));
m_hOther = TreeView_InsertItem(m_hTreeView, &tvins);
}
else
m_hRecommend = m_hOther = TVI_ROOT;
/* Add all applications */
BOOL bNoAppSelected = TRUE;
COpenWithList::SApp *pAppList = m_pAppList->GetList();
for (UINT i = 0; i < m_pAppList->GetCount(); ++i)
{
if (!COpenWithList::IsHidden(&pAppList[i]))
{
if (bNoAppSelected && (pAppList[i].bRecommended || !cRecommended))
{
AddApp(&pAppList[i], TRUE);
bNoAppSelected = FALSE;
}
else
AddApp(&pAppList[i], FALSE);
}
}
}
}
VOID COpenWithDialog::Accept()
{
COpenWithList::SApp *pApp = GetCurrentApp();
if (pApp)
{
/* Set programm as default handler */
if (SendDlgItemMessage(m_hDialog, 14003, BM_GETCHECK, 0, 0) == BST_CHECKED)
m_pAppList->SetDefaultHandler(pApp, m_pInfo->pcszFile);
/* Execute program */
if (m_pInfo->oaifInFlags & OAIF_EXEC)
m_pAppList->Execute(pApp, m_pInfo->pcszFile);
EndDialog(m_hDialog, 1);
}
}
INT_PTR CALLBACK COpenWithDialog::DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
COpenWithDialog *pThis = reinterpret_cast<COpenWithDialog *>(GetWindowLongPtr(hwndDlg, DWLP_USER));
switch(uMsg)
{
case WM_INITDIALOG:
{
COpenWithDialog *pThis = reinterpret_cast<COpenWithDialog *>(lParam);
pThis->Init(hwndDlg);
return TRUE;
}
case WM_COMMAND:
switch(LOWORD(wParam))
{
case 14004: /* browse */
{
pThis->Browse();
return TRUE;
}
case IDOK: /* ok */
{
pThis->Accept();
return TRUE;
}
case IDCANCEL: /* cancel */
EndDialog(hwndDlg, 0);
return TRUE;
default:
break;
}
break;
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code)
{
case TVN_SELCHANGED:
EnableWindow(GetDlgItem(hwndDlg, IDOK), pThis->GetCurrentApp() ? TRUE : FALSE);
break;
case NM_DBLCLK:
case NM_RETURN:
pThis->Accept();
break;
}
break;
case WM_CLOSE:
EndDialog(hwndDlg, 0);
return TRUE;
default:
break;
}
return FALSE;
}
COpenWithMenu::COpenWithMenu()
{
m_idCmdFirst = 0;
m_idCmdLast = 0;
m_pAppList = new COpenWithList;
}
COpenWithMenu::~COpenWithMenu()
{
TRACE("Destroying COpenWithMenu(%p)\n", this);
if (m_hSubMenu)
{
INT Count, Index;
MENUITEMINFOW mii;
/* get item count */
Count = GetMenuItemCount(m_hSubMenu);
if (Count == -1)
return;
/* setup menuitem info */
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_DATA | MIIM_FTYPE | MIIM_CHECKMARKS;
for(Index = 0; Index < Count; Index++)
{
if (GetMenuItemInfoW(m_hSubMenu, Index, TRUE, &mii))
{
if (mii.hbmpChecked)
DeleteObject(mii.hbmpChecked);
}
}
}
if (m_pAppList)
delete m_pAppList;
}
HBITMAP COpenWithMenu::IconToBitmap(HICON hIcon)
{
HDC hdc, hdcScr;
HBITMAP hbm, hbmOld;
RECT rc;
hdcScr = GetDC(NULL);
hdc = CreateCompatibleDC(hdcScr);
SetRect(&rc, 0, 0, GetSystemMetrics(SM_CXMENUCHECK), GetSystemMetrics(SM_CYMENUCHECK));
hbm = CreateCompatibleBitmap(hdcScr, rc.right, rc.bottom);
ReleaseDC(NULL, hdcScr);
hbmOld = (HBITMAP)SelectObject(hdc, hbm);
FillRect(hdc, &rc, (HBRUSH)(COLOR_MENU + 1));
if (!DrawIconEx(hdc, 0, 0, hIcon, rc.right, rc.bottom, 0, NULL, DI_NORMAL))
ERR("DrawIcon failed: %x\n", GetLastError());
SelectObject(hdc, hbmOld);
DeleteDC(hdc);
return hbm;
}
VOID COpenWithMenu::AddChooseProgramItem()
{
MENUITEMINFOW mii;
WCHAR wszBuf[128];
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_TYPE | MIIM_ID;
mii.fType = MFT_SEPARATOR;
mii.wID = -1;
InsertMenuItemW(m_hSubMenu, -1, TRUE, &mii);
if (!LoadStringW(shell32_hInstance, IDS_OPEN_WITH_CHOOSE, wszBuf, _countof(wszBuf)))
{
ERR("Failed to load string\n");
return;
}
mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE;
mii.fType = MFT_STRING;
mii.fState = MFS_ENABLED;
mii.wID = m_idCmdLast;
mii.dwTypeData = (LPWSTR)wszBuf;
mii.cch = wcslen(wszBuf);
InsertMenuItemW(m_hSubMenu, -1, TRUE, &mii);
}
VOID COpenWithMenu::AddApp(PVOID pApp)
{
MENUITEMINFOW mii;
LPCWSTR pwszName = m_pAppList->GetName((COpenWithList::SApp*)pApp);
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE | MIIM_DATA;
mii.fType = MFT_STRING;
mii.fState = MFS_ENABLED;
mii.wID = m_idCmdLast;
mii.dwTypeData = (LPWSTR)pwszName;
mii.cch = wcslen(mii.dwTypeData);
mii.dwItemData = (ULONG_PTR)pApp;
HICON hIcon = m_pAppList->GetIcon((COpenWithList::SApp*)pApp);
if (hIcon)
{
mii.fMask |= MIIM_CHECKMARKS;
mii.hbmpChecked = mii.hbmpUnchecked = IconToBitmap(hIcon);
}
if (InsertMenuItemW(m_hSubMenu, -1, TRUE, &mii))
m_idCmdLast++;
}
HRESULT WINAPI COpenWithMenu::QueryContextMenu(
HMENU hMenu,
UINT indexMenu,
UINT idCmdFirst,
UINT idCmdLast,
UINT uFlags)
{
TRACE("hMenu %p indexMenu %u idFirst %u idLast %u uFlags %u\n", hMenu, indexMenu, idCmdFirst, idCmdLast, uFlags);
INT DefaultPos = GetMenuDefaultItem(hMenu, TRUE, 0);
WCHAR wszName[100];
UINT NameId = (DefaultPos == -1 ? IDS_OPEN : IDS_OPEN_WITH);
if (!LoadStringW(shell32_hInstance, NameId, wszName, _countof(wszName)))
{
ERR("Failed to load string\n");
return E_FAIL;
}
/* Init first cmd id and submenu */
m_idCmdFirst = m_idCmdLast = idCmdFirst;
m_hSubMenu = NULL;
/* If we are going to be default item, we shouldn't be submenu */
if (DefaultPos != -1)
{
/* Load applications list */
m_pAppList->Load();
m_pAppList->LoadRecommended(m_wszPath);
/* Create submenu only if there is more than one application and menu has a default item */
if (m_pAppList->GetRecommendedCount() > 1)
{
m_hSubMenu = CreatePopupMenu();
for(UINT i = 0; i < m_pAppList->GetCount(); ++i)
{
COpenWithList::SApp *pApp = m_pAppList->GetList() + i;
if (pApp->bRecommended)
AddApp(pApp);
}
AddChooseProgramItem();
}
}
/* Insert menu item */
MENUITEMINFOW mii;
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE;
if (m_hSubMenu)
{
mii.fMask |= MIIM_SUBMENU;
mii.hSubMenu = m_hSubMenu;
mii.wID = -1;
}
else
mii.wID = m_idCmdLast;
mii.fType = MFT_STRING;
mii.dwTypeData = (LPWSTR)wszName;
mii.cch = wcslen(wszName);
mii.fState = MFS_ENABLED;
if (DefaultPos == -1)
mii.fState |= MFS_DEFAULT;
if (!InsertMenuItemW(hMenu, DefaultPos + 1, TRUE, &mii))
return E_FAIL;
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, m_idCmdLast - m_idCmdFirst + 1);
}
HRESULT WINAPI
COpenWithMenu::InvokeCommand(LPCMINVOKECOMMANDINFO lpici)
{
HRESULT hr = E_FAIL;
TRACE("This %p idFirst %u idLast %u idCmd %u\n", this, m_idCmdFirst, m_idCmdLast, m_idCmdFirst + LOWORD(lpici->lpVerb));
if (HIWORD(lpici->lpVerb) == 0 && m_idCmdFirst + LOWORD(lpici->lpVerb) <= m_idCmdLast)
{
if (m_idCmdFirst + LOWORD(lpici->lpVerb) == m_idCmdLast)
{
OPENASINFO info;
LPCWSTR pwszExt = PathFindExtensionW(m_wszPath);
info.pcszFile = m_wszPath;
info.oaifInFlags = OAIF_EXEC;
if (pwszExt[0])
info.oaifInFlags |= OAIF_REGISTER_EXT | OAIF_ALLOW_REGISTRATION;
info.pcszClass = NULL;
hr = SHOpenWithDialog(lpici->hwnd, &info);
}
else
{
/* retrieve menu item info */
MENUITEMINFOW mii;
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_DATA | MIIM_FTYPE;
if (GetMenuItemInfoW(m_hSubMenu, LOWORD(lpici->lpVerb), TRUE, &mii) && mii.dwItemData)
{
/* launch item with specified app */
COpenWithList::SApp *pApp = (COpenWithList::SApp*)mii.dwItemData;
COpenWithList::Execute(pApp, m_wszPath);
hr = S_OK;
}
}
}
return hr;
}
HRESULT WINAPI
COpenWithMenu::GetCommandString(UINT_PTR idCmd, UINT uType,
UINT* pwReserved, LPSTR pszName, UINT cchMax )
{
FIXME("%p %lu %u %p %p %u\n", this,
idCmd, uType, pwReserved, pszName, cchMax );
return E_NOTIMPL;
}
HRESULT WINAPI COpenWithMenu::HandleMenuMsg(
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
TRACE("This %p uMsg %x\n", this, uMsg);
return E_NOTIMPL;
}
HRESULT WINAPI
COpenWithMenu::Initialize(PCIDLIST_ABSOLUTE pidlFolder,
IDataObject *pdtobj,
HKEY hkeyProgID)
{
STGMEDIUM medium;
FORMATETC fmt;
HRESULT hr;
LPIDA pida;
LPCITEMIDLIST pidlFolder2;
LPCITEMIDLIST pidlChild;
LPCITEMIDLIST pidl;
LPCWSTR pwszExt;
TRACE("This %p\n", this);
if (pdtobj == NULL)
return E_INVALIDARG;
fmt.cfFormat = RegisterClipboardFormatW(CFSTR_SHELLIDLIST);
fmt.ptd = NULL;
fmt.dwAspect = DVASPECT_CONTENT;
fmt.lindex = -1;
fmt.tymed = TYMED_HGLOBAL;
hr = pdtobj->GetData(&fmt, &medium);
if (FAILED(hr))
{
ERR("pdtobj->GetData failed with 0x%x\n", hr);
return hr;
}
pida = (LPIDA)GlobalLock(medium.hGlobal);
ASSERT(pida->cidl >= 1);
pidlFolder2 = (LPCITEMIDLIST) ((LPBYTE)pida + pida->aoffset[0]);
pidlChild = (LPCITEMIDLIST) ((LPBYTE)pida + pida->aoffset[1]);
if (!_ILIsValue(pidlChild))
{
TRACE("pidl is not a file\n");
GlobalUnlock(medium.hGlobal);
ReleaseStgMedium(&medium);
return E_FAIL;
}
pidl = ILCombine(pidlFolder2, pidlChild);
GlobalUnlock(medium.hGlobal);
ReleaseStgMedium(&medium);
if (!pidl)
{
ERR("no mem\n");
return E_OUTOFMEMORY;
}
if (!SHGetPathFromIDListW(pidl, m_wszPath))
{
SHFree((void*)pidl);
ERR("SHGetPathFromIDListW failed\n");
return E_FAIL;
}
SHFree((void*)pidl);
TRACE("szPath %s\n", debugstr_w(m_wszPath));
pwszExt = PathFindExtensionW(m_wszPath);
if (PathIsExeW(pwszExt) || !_wcsicmp(pwszExt, L".lnk"))
{
TRACE("file is a executable or shortcut\n");
return E_FAIL;
}
return S_OK;
}
HRESULT WINAPI
SHOpenWithDialog(HWND hwndParent, const OPENASINFO *poainfo)
{
INT_PTR ret;
TRACE("SHOpenWithDialog hwndParent %p poainfo %p\n", hwndParent, poainfo);
InitCommonControls();
if (poainfo->pcszClass == NULL && poainfo->pcszFile == NULL)
return E_FAIL;
COpenWithDialog pDialog(poainfo);
if (pDialog.IsNoOpen(hwndParent))
return S_OK;
ret = DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCE(IDD_OPEN_WITH), hwndParent,
COpenWithDialog::DialogProc, (LPARAM)&pDialog);
if (ret == (INT_PTR)-1)
{
ERR("Failed to create dialog: %u\n", GetLastError());
return E_FAIL;
}
return S_OK;
}
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