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reactos/dll/win32/userenv/desktop.c

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/*
* ReactOS kernel
* Copyright (C) 2004 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: dll/win32/userenv/desktop.c
* PURPOSE: Desktop and start menu support functions.
* PROGRAMMER: Eric Kohl
*/
#include "precomp.h"
#include <shlobj.h>
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ***************************************************************/
static
BOOL
GetDesktopPath(BOOL bCommonPath,
LPWSTR lpDesktopPath)
{
WCHAR szPath[MAX_PATH];
DWORD dwLength;
DWORD dwType;
HKEY hKey;
LONG Error;
DPRINT("GetDesktopPath() called\n");
Error = RegOpenKeyExW(HKEY_CURRENT_USER,
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\User Shell Folders",
0,
KEY_QUERY_VALUE,
&hKey);
if (Error != ERROR_SUCCESS)
{
DPRINT1("RegOpenKeyExW() failed\n");
SetLastError((DWORD)Error);
return FALSE;
}
dwLength = MAX_PATH * sizeof(WCHAR);
Error = RegQueryValueExW(hKey,
bCommonPath ? L"Common Desktop" : L"Desktop",
0,
&dwType,
(LPBYTE)szPath,
&dwLength);
if (Error != ERROR_SUCCESS)
{
DPRINT1("RegQueryValueExW() failed\n");
RegCloseKey(hKey);
SetLastError((DWORD)Error);
return FALSE;
}
RegCloseKey(hKey);
if (dwType == REG_EXPAND_SZ)
{
ExpandEnvironmentStringsW(szPath,
lpDesktopPath,
MAX_PATH);
}
else
{
wcscpy(lpDesktopPath, szPath);
}
DPRINT("GetDesktopPath() done\n");
return TRUE;
}
static
BOOL
GetProgramsPath(BOOL bCommonPath,
LPWSTR lpProgramsPath)
{
WCHAR szPath[MAX_PATH];
DWORD dwLength;
DWORD dwType;
HKEY hKey;
LONG Error;
DPRINT("GetProgramsPath() called\n");
Error = RegOpenKeyExW(HKEY_CURRENT_USER,
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\User Shell Folders",
0,
KEY_QUERY_VALUE,
&hKey);
if (Error != ERROR_SUCCESS)
{
DPRINT1("RegOpenKeyExW() failed\n");
SetLastError((DWORD)Error);
return FALSE;
}
dwLength = MAX_PATH * sizeof(WCHAR);
Error = RegQueryValueExW(hKey,
bCommonPath ? L"Common Programs" : L"Programs",
0,
&dwType,
(LPBYTE)szPath,
&dwLength);
if (Error != ERROR_SUCCESS)
{
DPRINT1("RegQueryValueExW() failed\n");
RegCloseKey(hKey);
SetLastError((DWORD)Error);
return FALSE;
}
RegCloseKey(hKey);
if (dwType == REG_EXPAND_SZ)
{
ExpandEnvironmentStringsW(szPath,
lpProgramsPath,
MAX_PATH);
}
else
{
wcscpy(lpProgramsPath,
szPath);
}
DPRINT("GetProgramsPath() done\n");
return TRUE;
}
BOOL
WINAPI
AddDesktopItemA(BOOL bCommonItem,
LPCSTR lpItemName,
LPCSTR lpArguments,
LPCSTR lpIconLocation,
INT iIcon,
LPCSTR lpWorkingDirectory, /* Optional */
WORD wHotKey,
INT iShowCmd)
{
UNICODE_STRING ItemName;
UNICODE_STRING Arguments;
UNICODE_STRING IconLocation;
UNICODE_STRING WorkingDirectory;
BOOL bResult;
if (!RtlCreateUnicodeStringFromAsciiz(&ItemName,
(LPSTR)lpItemName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (!RtlCreateUnicodeStringFromAsciiz(&Arguments,
(LPSTR)lpArguments))
{
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (!RtlCreateUnicodeStringFromAsciiz(&IconLocation,
(LPSTR)lpIconLocation))
{
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (lpWorkingDirectory != NULL)
{
if (!RtlCreateUnicodeStringFromAsciiz(&WorkingDirectory,
(LPSTR)lpWorkingDirectory))
{
RtlFreeUnicodeString(&IconLocation);
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
}
bResult = AddDesktopItemW(bCommonItem,
ItemName.Buffer,
Arguments.Buffer,
IconLocation.Buffer,
iIcon,
(lpWorkingDirectory != NULL) ? WorkingDirectory.Buffer : NULL,
wHotKey,
iShowCmd);
if (lpWorkingDirectory != NULL)
{
RtlFreeUnicodeString(&WorkingDirectory);
}
RtlFreeUnicodeString(&IconLocation);
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
return bResult;
}
BOOL
WINAPI
AddDesktopItemW(BOOL bCommonDesktop,
LPCWSTR lpItemName,
LPCWSTR lpArguments,
LPCWSTR lpIconLocation,
INT iIcon,
LPCWSTR lpWorkingDirectory, /* Optional */
WORD wHotKey,
INT iShowCmd)
{
DYN_FUNCS Ole32;
WCHAR szLinkPath[MAX_PATH];
WCHAR szArguments[MAX_PATH];
WCHAR szCommand[MAX_PATH];
WIN32_FIND_DATAW FindData;
HANDLE hFind;
LPWSTR Ptr;
DWORD dwLength;
IShellLinkW* psl;
IPersistFile* ppf;
HRESULT hr;
BOOL bResult;
DPRINT("AddDesktopItemW() called\n");
bResult = FALSE;
if (!GetDesktopPath(bCommonDesktop, szLinkPath))
{
DPRINT1("GetDesktopPath() failed\n");
return FALSE;
}
DPRINT("Desktop path: '%S'\n", szLinkPath);
/* Make sure the path exists */
hFind = FindFirstFileW(szLinkPath,
&FindData);
if (hFind == INVALID_HANDLE_VALUE)
{
DPRINT("'%S' does not exist\n", szLinkPath);
/* Create directory path */
if (!CreateDirectoryPath(szLinkPath, NULL))
return FALSE;
}
else
{
DPRINT("'%S' exists\n", szLinkPath);
FindClose(hFind);
}
/* Append backslash, item name and ".lnk" extension */
wcscat(szLinkPath, L"\\");
wcscat(szLinkPath, lpItemName);
wcscat(szLinkPath, L".lnk");
DPRINT("Link path: '%S'\n", szLinkPath);
/* Split 'lpArguments' string into command and arguments */
Ptr = wcschr(lpArguments, L' ');
DPRINT("Ptr %p lpArguments %p\n", Ptr, lpArguments);
if (Ptr != NULL)
{
dwLength = (DWORD)(Ptr - lpArguments);
DPRINT("dwLength %lu\n", dwLength);
memcpy(szCommand, lpArguments, dwLength * sizeof(WCHAR));
szCommand[dwLength] = 0;
Ptr++;
wcscpy(szArguments, Ptr);
}
else
{
wcscpy(szCommand, lpArguments);
szArguments[0] = 0;
}
DPRINT("szCommand: '%S'\n", szCommand);
DPRINT("szArguments: '%S'\n", szArguments);
/* Dynamically load ole32.dll */
if (!LoadDynamicImports(&DynOle32, &Ole32))
{
DPRINT1("USERENV: Unable to load OLE32.DLL\n");
return FALSE;
}
Ole32.fn.CoInitialize(NULL);
hr = Ole32.fn.CoCreateInstance(&CLSID_ShellLink,
NULL,
CLSCTX_INPROC_SERVER,
&IID_IShellLinkW,
(LPVOID*)&psl);
if (!SUCCEEDED(hr))
{
Ole32.fn.CoUninitialize();
UnloadDynamicImports(&Ole32);
return FALSE;
}
hr = psl->lpVtbl->QueryInterface(psl,
&IID_IPersistFile,
(LPVOID*)&ppf);
if (SUCCEEDED(hr))
{
psl->lpVtbl->SetDescription(psl,
lpItemName);
psl->lpVtbl->SetPath(psl,
szCommand);
psl->lpVtbl->SetArguments(psl,
szArguments);
psl->lpVtbl->SetIconLocation(psl,
lpIconLocation,
iIcon);
if (lpWorkingDirectory != NULL)
{
psl->lpVtbl->SetWorkingDirectory(psl,
lpWorkingDirectory);
}
else
{
psl->lpVtbl->SetWorkingDirectory(psl,
L"%HOMEDRIVE%%HOMEPATH%");
}
psl->lpVtbl->SetHotkey(psl,
wHotKey);
psl->lpVtbl->SetShowCmd(psl,
iShowCmd);
hr = ppf->lpVtbl->Save(ppf,
szLinkPath,
TRUE);
if (SUCCEEDED(hr))
bResult = TRUE;
ppf->lpVtbl->Release(ppf);
}
psl->lpVtbl->Release(psl);
Ole32.fn.CoUninitialize();
UnloadDynamicImports(&Ole32);
DPRINT("AddDesktopItemW() done\n");
return bResult;
}
BOOL
WINAPI
DeleteDesktopItemA(BOOL bCommonItem,
LPCSTR lpItemName)
{
UNICODE_STRING ItemName;
BOOL bResult;
if (!RtlCreateUnicodeStringFromAsciiz(&ItemName,
(LPSTR)lpItemName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
bResult = DeleteDesktopItemW(bCommonItem,
ItemName.Buffer);
RtlFreeUnicodeString(&ItemName);
return bResult;
}
BOOL
WINAPI
DeleteDesktopItemW(BOOL bCommonItem,
LPCWSTR lpItemName)
{
WCHAR szLinkPath[MAX_PATH];
DPRINT("DeleteDesktopItemW() called\n");
if (!GetDesktopPath(bCommonItem, szLinkPath))
{
DPRINT1("GetDesktopPath() failed\n");
return FALSE;
}
wcscat(szLinkPath, L"\\");
wcscat(szLinkPath, lpItemName);
wcscat(szLinkPath, L".lnk");
DPRINT("Link path: '%S'\n", szLinkPath);
return DeleteFileW (szLinkPath);
}
BOOL
WINAPI
CreateGroupA(LPCSTR lpGroupName,
BOOL bCommonGroup)
{
UNICODE_STRING GroupName;
BOOL bResult;
if (!RtlCreateUnicodeStringFromAsciiz(&GroupName,
(LPSTR)lpGroupName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
bResult = CreateGroupW(GroupName.Buffer, bCommonGroup);
RtlFreeUnicodeString(&GroupName);
return bResult;
}
BOOL
WINAPI
CreateGroupW(LPCWSTR lpGroupName,
BOOL bCommonGroup)
{
WCHAR szGroupPath[MAX_PATH];
DPRINT1("CreateGroupW() called\n");
if (lpGroupName == NULL || *lpGroupName == 0)
return TRUE;
if (!GetProgramsPath(bCommonGroup, szGroupPath))
{
DPRINT1("GetProgramsPath() failed\n");
return FALSE;
}
DPRINT1("Programs path: '%S'\n", szGroupPath);
wcscat(szGroupPath, L"\\");
wcscat(szGroupPath, lpGroupName);
DPRINT1("Group path: '%S'\n", szGroupPath);
/* Create directory path */
if (!CreateDirectoryPath (szGroupPath, NULL))
return FALSE;
/* FIXME: Notify the shell */
DPRINT1("CreateGroupW() done\n");
return TRUE;
}
BOOL
WINAPI
DeleteGroupA(LPCSTR lpGroupName,
BOOL bCommonGroup)
{
UNICODE_STRING GroupName;
BOOL bResult;
if (!RtlCreateUnicodeStringFromAsciiz(&GroupName,
(LPSTR)lpGroupName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
bResult = DeleteGroupW(GroupName.Buffer, bCommonGroup);
RtlFreeUnicodeString(&GroupName);
return bResult;
}
BOOL
WINAPI
DeleteGroupW(LPCWSTR lpGroupName,
BOOL bCommonGroup)
{
WCHAR szGroupPath[MAX_PATH];
DPRINT("DeleteGroupW() called\n");
if (lpGroupName == NULL || *lpGroupName == 0)
return TRUE;
if (!GetProgramsPath(bCommonGroup, szGroupPath))
{
DPRINT1("GetProgramsPath() failed\n");
return FALSE;
}
DPRINT("Programs path: '%S'\n", szGroupPath);
wcscat(szGroupPath, L"\\");
wcscat(szGroupPath, lpGroupName);
DPRINT("Group path: '%S'\n", szGroupPath);
/* Remove directory path */
if (!RemoveDirectoryPath (szGroupPath))
return FALSE;
/* FIXME: Notify the shell */
DPRINT("DeleteGroupW() done\n");
return TRUE;
}
BOOL
WINAPI
AddItemA(LPCSTR lpGroupName, /* Optional */
BOOL bCommonGroup,
LPCSTR lpItemName,
LPCSTR lpArguments,
LPCSTR lpIconLocation,
INT iIcon,
LPCSTR lpWorkingDirectory, /* Optional */
WORD wHotKey,
INT iShowCmd)
{
UNICODE_STRING GroupName;
UNICODE_STRING ItemName;
UNICODE_STRING Arguments;
UNICODE_STRING IconLocation;
UNICODE_STRING WorkingDirectory;
BOOL bResult;
if (!RtlCreateUnicodeStringFromAsciiz(&ItemName,
(LPSTR)lpItemName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (!RtlCreateUnicodeStringFromAsciiz(&Arguments,
(LPSTR)lpArguments))
{
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (!RtlCreateUnicodeStringFromAsciiz(&IconLocation,
(LPSTR)lpIconLocation))
{
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (lpGroupName != NULL)
{
if (!RtlCreateUnicodeStringFromAsciiz(&GroupName,
(LPSTR)lpGroupName))
{
RtlFreeUnicodeString(&IconLocation);
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
}
if (lpWorkingDirectory != NULL)
{
if (!RtlCreateUnicodeStringFromAsciiz(&WorkingDirectory,
(LPSTR)lpWorkingDirectory))
{
if (lpGroupName != NULL)
{
RtlFreeUnicodeString(&GroupName);
}
RtlFreeUnicodeString(&IconLocation);
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
}
bResult = AddItemW((lpGroupName != NULL) ? GroupName.Buffer : NULL,
bCommonGroup,
ItemName.Buffer,
Arguments.Buffer,
IconLocation.Buffer,
iIcon,
(lpWorkingDirectory != NULL) ? WorkingDirectory.Buffer : NULL,
wHotKey,
iShowCmd);
if (lpGroupName != NULL)
{
RtlFreeUnicodeString(&GroupName);
}
if (lpWorkingDirectory != NULL)
{
RtlFreeUnicodeString(&WorkingDirectory);
}
RtlFreeUnicodeString(&IconLocation);
RtlFreeUnicodeString(&Arguments);
RtlFreeUnicodeString(&ItemName);
return bResult;
}
BOOL
WINAPI
AddItemW(LPCWSTR lpGroupName, /* Optional */
BOOL bCommonGroup,
LPCWSTR lpItemName,
LPCWSTR lpArguments,
LPCWSTR lpIconLocation,
INT iIcon,
LPCWSTR lpWorkingDirectory, /* Optional */
WORD wHotKey,
INT iShowCmd)
{
DYN_FUNCS Ole32;
WCHAR szLinkPath[MAX_PATH];
WCHAR szArguments[MAX_PATH];
WCHAR szCommand[MAX_PATH];
WIN32_FIND_DATAW FindData;
HANDLE hFind;
LPWSTR Ptr;
DWORD dwLength;
IShellLinkW* psl;
IPersistFile* ppf;
HRESULT hr;
BOOL bResult;
DPRINT("AddItemW() called\n");
bResult = FALSE;
if (!GetProgramsPath(bCommonGroup, szLinkPath))
{
DPRINT1("GetProgramsPath() failed\n");
return FALSE;
}
DPRINT("Programs path: '%S'\n", szLinkPath);
if (lpGroupName != NULL && *lpGroupName != 0)
{
wcscat(szLinkPath, L"\\");
wcscat(szLinkPath, lpGroupName);
/* Make sure the path exists */
hFind = FindFirstFileW(szLinkPath,
&FindData);
if (hFind == INVALID_HANDLE_VALUE)
{
DPRINT("'%S' does not exist\n", szLinkPath);
if (!CreateGroupW(lpGroupName,
bCommonGroup))
return FALSE;
}
else
{
DPRINT("'%S' exists\n", szLinkPath);
FindClose(hFind);
}
}
wcscat(szLinkPath, L"\\");
wcscat(szLinkPath, lpItemName);
wcscat(szLinkPath, L".lnk");
DPRINT("Link path: '%S'\n", szLinkPath);
/* Split 'lpArguments' string into command and arguments */
Ptr = wcschr(lpArguments, L' ');
DPRINT("Ptr %p lpArguments %p\n", Ptr, lpArguments);
if (Ptr != NULL)
{
dwLength = (DWORD)(Ptr - lpArguments);
DPRINT("dwLength %lu\n", dwLength);
memcpy(szCommand, lpArguments, dwLength * sizeof(WCHAR));
szCommand[dwLength] = 0;
Ptr++;
wcscpy(szArguments, Ptr);
}
else
{
wcscpy(szCommand, lpArguments);
szArguments[0] = 0;
}
DPRINT("szCommand: '%S'\n", szCommand);
DPRINT("szArguments: '%S'\n", szArguments);
/* Dynamically load ole32.dll */
if (!LoadDynamicImports(&DynOle32, &Ole32))
{
DPRINT1("USERENV: Unable to load OLE32.DLL\n");
return FALSE;
}
Ole32.fn.CoInitialize(NULL);
hr = Ole32.fn.CoCreateInstance(&CLSID_ShellLink,
NULL,
CLSCTX_INPROC_SERVER,
&IID_IShellLinkW,
(LPVOID*)&psl);
if (!SUCCEEDED(hr))
{
Ole32.fn.CoUninitialize();
UnloadDynamicImports(&Ole32);
return FALSE;
}
hr = psl->lpVtbl->QueryInterface(psl,
&IID_IPersistFile,
(LPVOID*)&ppf);
if (SUCCEEDED(hr))
{
psl->lpVtbl->SetDescription(psl,
lpItemName);
psl->lpVtbl->SetPath(psl,
szCommand);
psl->lpVtbl->SetArguments(psl,
szArguments);
psl->lpVtbl->SetIconLocation(psl,
lpIconLocation,
iIcon);
if (lpWorkingDirectory != NULL)
{
psl->lpVtbl->SetWorkingDirectory(psl,
lpWorkingDirectory);
}
else
{
psl->lpVtbl->SetWorkingDirectory(psl,
L"%HOMEDRIVE%%HOMEPATH%");
}
psl->lpVtbl->SetHotkey(psl,
wHotKey);
psl->lpVtbl->SetShowCmd(psl,
iShowCmd);
hr = ppf->lpVtbl->Save(ppf,
szLinkPath,
TRUE);
if (SUCCEEDED(hr))
bResult = TRUE;
ppf->lpVtbl->Release(ppf);
}
psl->lpVtbl->Release(psl);
Ole32.fn.CoUninitialize();
UnloadDynamicImports(&Ole32);
DPRINT("AddItemW() done\n");
return bResult;
}
BOOL
WINAPI
DeleteItemA(LPCSTR lpGroupName, /* Optional */
BOOL bCommonGroup,
LPCSTR lpItemName,
BOOL bDeleteGroup)
{
UNICODE_STRING GroupName;
UNICODE_STRING ItemName;
BOOL bResult;
if (lpGroupName != NULL)
{
if (!RtlCreateUnicodeStringFromAsciiz(&GroupName,
(LPSTR)lpGroupName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
}
if (!RtlCreateUnicodeStringFromAsciiz(&ItemName,
(LPSTR)lpItemName))
{
if (lpGroupName != NULL)
{
RtlFreeUnicodeString(&GroupName);
}
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
bResult = DeleteItemW((lpGroupName != NULL) ? GroupName.Buffer : NULL,
bCommonGroup,
ItemName.Buffer,
bDeleteGroup);
RtlFreeUnicodeString(&ItemName);
if (lpGroupName != NULL)
{
RtlFreeUnicodeString(&GroupName);
}
return bResult;
}
BOOL
WINAPI
DeleteItemW(LPCWSTR lpGroupName, /* Optional */
BOOL bCommonGroup,
LPCWSTR lpItemName,
BOOL bDeleteGroup)
{
WCHAR szItemPath[MAX_PATH];
LPWSTR Ptr;
DPRINT("DeleteItemW() called\n");
if (!GetProgramsPath(bCommonGroup, szItemPath))
{
DPRINT1("GetProgramsPath() failed\n");
return FALSE;
}
DPRINT("Programs path: '%S'\n", szItemPath);
if (lpGroupName != NULL && *lpGroupName != 0)
{
wcscat(szItemPath, L"\\");
wcscat(szItemPath, lpGroupName);
}
wcscat(szItemPath, L"\\");
wcscat(szItemPath, lpItemName);
wcscat(szItemPath, L".lnk");
DPRINT("Item path: '%S'\n", szItemPath);
if (!DeleteFileW(szItemPath))
return FALSE;
/* FIXME: Notify the shell */
if (bDeleteGroup)
{
Ptr = wcsrchr(szItemPath, L'\\');
if (Ptr == NULL)
return TRUE;
*Ptr = 0;
DPRINT("Item path: '%S'\n", szItemPath);
if (RemoveDirectoryW(szItemPath))
{
/* FIXME: Notify the shell */
}
}
DPRINT("DeleteItemW() done\n");
return TRUE;
}
/* EOF */
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