Sweden-Number/dlls/shell32/classes.c

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/*
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* file type mapping
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* (HKEY_CLASSES_ROOT - Stuff)
*
* Copyright 1998, 1999, 2000 Juergen Schmied
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*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
#include "wine/port.h"
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#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#define COBJMACROS
#include "wine/debug.h"
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#include "winerror.h"
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wingdi.h"
#include "winuser.h"
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#include "shlobj.h"
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#include "shell32_main.h"
#include "shlguid.h"
#include "shresdef.h"
#include "shlwapi.h"
#include "pidl.h"
#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
#define MAX_EXTENSION_LENGTH 20
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BOOL HCR_MapTypeToValueW(LPCWSTR szExtension, LPWSTR szFileType, LONG len, BOOL bPrependDot)
{
HKEY hkey;
WCHAR szTemp[MAX_EXTENSION_LENGTH + 2];
TRACE("%s %p\n", debugstr_w(szExtension), debugstr_w(szFileType));
/* added because we do not want to have double dots */
if (szExtension[0] == '.')
bPrependDot = 0;
if (bPrependDot)
szTemp[0] = '.';
lstrcpynW(szTemp + (bPrependDot?1:0), szExtension, MAX_EXTENSION_LENGTH);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, szTemp, 0, 0x02000000, &hkey))
{
return FALSE;
}
if (RegQueryValueW(hkey, NULL, szFileType, &len))
{
RegCloseKey(hkey);
return FALSE;
}
RegCloseKey(hkey);
TRACE("--UE;\n} %s\n", debugstr_w(szFileType));
return TRUE;
}
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BOOL HCR_MapTypeToValueA(LPCSTR szExtension, LPSTR szFileType, LONG len, BOOL bPrependDot)
{
HKEY hkey;
char szTemp[MAX_EXTENSION_LENGTH + 2];
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TRACE("%s %p\n", szExtension, szFileType);
/* added because we do not want to have double dots */
if (szExtension[0] == '.')
bPrependDot = 0;
if (bPrependDot)
szTemp[0] = '.';
lstrcpynA(szTemp + (bPrependDot?1:0), szExtension, MAX_EXTENSION_LENGTH);
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if (RegOpenKeyExA(HKEY_CLASSES_ROOT, szTemp, 0, 0x02000000, &hkey))
{
return FALSE;
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}
if (RegQueryValueA(hkey, NULL, szFileType, &len))
{
RegCloseKey(hkey);
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return FALSE;
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}
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RegCloseKey(hkey);
TRACE("--UE;\n} %s\n", szFileType);
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return TRUE;
}
BOOL HCR_GetExecuteCommandW( HKEY hkeyClass, LPCWSTR szClass, LPCWSTR szVerb, LPWSTR szDest, DWORD len )
{
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static const WCHAR swShell[] = {'s','h','e','l','l','\\',0};
static const WCHAR swCommand[] = {'\\','c','o','m','m','a','n','d',0};
BOOL ret = FALSE;
TRACE("%p %s %s %p\n", hkeyClass, debugstr_w(szClass), debugstr_w(szVerb), szDest);
if (szClass)
RegOpenKeyExW(HKEY_CLASSES_ROOT, szClass, 0, 0x02000000, &hkeyClass);
if (hkeyClass)
{
WCHAR sTemp[MAX_PATH];
lstrcpyW(sTemp, swShell);
lstrcatW(sTemp, szVerb);
lstrcatW(sTemp, swCommand);
ret = (ERROR_SUCCESS == SHGetValueW(hkeyClass, sTemp, NULL, NULL, szDest, &len));
if (szClass)
RegCloseKey(hkeyClass);
}
TRACE("-- %s\n", debugstr_w(szDest) );
return ret;
}
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/***************************************************************************************
* HCR_GetDefaultIcon [internal]
*
* Gets the icon for a filetype
*/
static BOOL HCR_RegOpenClassIDKey(REFIID riid, HKEY *hkey)
{
char xriid[50];
sprintf( xriid, "CLSID\\{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
riid->Data1, riid->Data2, riid->Data3,
riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7] );
TRACE("%s\n",xriid );
return !RegOpenKeyExA(HKEY_CLASSES_ROOT, xriid, 0, KEY_READ, hkey);
}
static BOOL HCR_RegGetDefaultIconW(HKEY hkey, LPWSTR szDest, DWORD len, int* picon_idx)
{
DWORD dwType;
WCHAR sTemp[MAX_PATH];
WCHAR sNum[5];
if (!RegQueryValueExW(hkey, NULL, 0, &dwType, (LPBYTE)szDest, &len))
{
if (dwType == REG_EXPAND_SZ)
{
ExpandEnvironmentStringsW(szDest, sTemp, MAX_PATH);
lstrcpynW(szDest, sTemp, len);
}
if (ParseFieldW (szDest, 2, sNum, 5))
*picon_idx = atoiW(sNum);
else
*picon_idx=0; /* sometimes the icon number is missing */
ParseFieldW (szDest, 1, szDest, len);
PathUnquoteSpacesW(szDest);
return TRUE;
}
return FALSE;
}
static BOOL HCR_RegGetDefaultIconA(HKEY hkey, LPSTR szDest, DWORD len, int* picon_idx)
{
DWORD dwType;
char sTemp[MAX_PATH];
char sNum[5];
if (!RegQueryValueExA(hkey, NULL, 0, &dwType, (LPBYTE)szDest, &len))
{
if (dwType == REG_EXPAND_SZ)
{
ExpandEnvironmentStringsA(szDest, sTemp, MAX_PATH);
lstrcpynA(szDest, sTemp, len);
}
if (ParseFieldA (szDest, 2, sNum, 5))
*picon_idx=atoi(sNum);
else
*picon_idx=0; /* sometimes the icon number is missing */
ParseFieldA (szDest, 1, szDest, len);
PathUnquoteSpacesA(szDest);
return TRUE;
}
return FALSE;
}
BOOL HCR_GetDefaultIconW(LPCWSTR szClass, LPWSTR szDest, DWORD len, int* picon_idx)
{
static const WCHAR swDefaultIcon[] = {'\\','D','e','f','a','u','l','t','I','c','o','n',0};
HKEY hkey;
WCHAR sTemp[MAX_PATH];
BOOL ret = FALSE;
TRACE("%s\n",debugstr_w(szClass) );
lstrcpynW(sTemp, szClass, MAX_PATH);
lstrcatW(sTemp, swDefaultIcon);
if (!RegOpenKeyExW(HKEY_CLASSES_ROOT, sTemp, 0, 0x02000000, &hkey))
{
ret = HCR_RegGetDefaultIconW(hkey, szDest, len, picon_idx);
RegCloseKey(hkey);
}
if(ret)
TRACE("-- %s %i\n", debugstr_w(szDest), *picon_idx);
else
TRACE("-- not found\n");
return ret;
}
BOOL HCR_GetDefaultIconA(LPCSTR szClass, LPSTR szDest, DWORD len, int* picon_idx)
{
HKEY hkey;
char sTemp[MAX_PATH];
BOOL ret = FALSE;
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TRACE("%s\n",szClass );
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sprintf(sTemp, "%s\\DefaultIcon",szClass);
if (!RegOpenKeyExA(HKEY_CLASSES_ROOT, sTemp, 0, 0x02000000, &hkey))
{
ret = HCR_RegGetDefaultIconA(hkey, szDest, len, picon_idx);
RegCloseKey(hkey);
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}
TRACE("-- %s %i\n", szDest, *picon_idx);
return ret;
}
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BOOL HCR_GetDefaultIconFromGUIDW(REFIID riid, LPWSTR szDest, DWORD len, int* picon_idx)
{
HKEY hkey;
BOOL ret = FALSE;
if (HCR_RegOpenClassIDKey(riid, &hkey))
{
ret = HCR_RegGetDefaultIconW(hkey, szDest, len, picon_idx);
RegCloseKey(hkey);
}
TRACE("-- %s %i\n", debugstr_w(szDest), *picon_idx);
return ret;
}
/***************************************************************************************
* HCR_GetClassName [internal]
*
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* Gets the name of a registered class
*/
static const WCHAR swEmpty[] = {0};
BOOL HCR_GetClassNameW(REFIID riid, LPWSTR szDest, DWORD len)
{
HKEY hkey;
BOOL ret = FALSE;
DWORD buflen = len;
szDest[0] = 0;
if (HCR_RegOpenClassIDKey(riid, &hkey))
{
if (!RegQueryValueExW(hkey, swEmpty, 0, NULL, (LPBYTE)szDest, &len))
{
ret = TRUE;
}
RegCloseKey(hkey);
}
if (!ret || !szDest[0])
{
if(IsEqualIID(riid, &CLSID_ShellDesktop))
{
if (LoadStringW(shell32_hInstance, IDS_DESKTOP, szDest, buflen))
ret = TRUE;
}
else if (IsEqualIID(riid, &CLSID_MyComputer))
{
if(LoadStringW(shell32_hInstance, IDS_MYCOMPUTER, szDest, buflen))
ret = TRUE;
}
}
TRACE("-- %s\n", debugstr_w(szDest));
return ret;
}
BOOL HCR_GetClassNameA(REFIID riid, LPSTR szDest, DWORD len)
{ HKEY hkey;
BOOL ret = FALSE;
DWORD buflen = len;
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szDest[0] = 0;
if (HCR_RegOpenClassIDKey(riid, &hkey))
{
if (!RegQueryValueExA(hkey,"",0,NULL,(LPBYTE)szDest,&len))
{
ret = TRUE;
}
RegCloseKey(hkey);
}
if (!ret || !szDest[0])
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{
if(IsEqualIID(riid, &CLSID_ShellDesktop))
{
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if (LoadStringA(shell32_hInstance, IDS_DESKTOP, szDest, buflen))
ret = TRUE;
}
else if (IsEqualIID(riid, &CLSID_MyComputer))
{
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if(LoadStringA(shell32_hInstance, IDS_MYCOMPUTER, szDest, buflen))
ret = TRUE;
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}
}
TRACE("-- %s\n", szDest);
return ret;
}
/******************************************************************************
* HCR_GetFolderAttributes [Internal]
*
* Query the registry for a shell folders' attributes
*
* PARAMS
* pidlFolder [I] A simple pidl of type PT_GUID.
* pdwAttributes [IO] In: Attributes to be queried, OUT: Resulting attributes.
*
* RETURNS
* TRUE: Found information for the attributes in the registry
* FALSE: No attribute information found
*
* NOTES
* If queried for an attribute, which is set in the CallForAttributes registry
* value, the function binds to the shellfolder objects and queries it.
*/
BOOL HCR_GetFolderAttributes(LPCITEMIDLIST pidlFolder, LPDWORD pdwAttributes)
{
HKEY hSFKey;
LPOLESTR pwszCLSID;
LONG lResult;
DWORD dwTemp, dwLen;
static const WCHAR wszAttributes[] = { 'A','t','t','r','i','b','u','t','e','s',0 };
static const WCHAR wszCallForAttributes[] = {
'C','a','l','l','F','o','r','A','t','t','r','i','b','u','t','e','s',0 };
WCHAR wszShellFolderKey[] = { 'C','L','S','I','D','\\','{','0','0','0','2','1','4','0','0','-',
'0','0','0','0','-','0','0','0','0','-','C','0','0','0','-','0','0','0','0','0','0','0',
'0','0','0','4','6','}','\\','S','h','e','l','l','F','o','l','d','e','r',0 };
TRACE("(pidlFolder=%p, pdwAttributes=%p)\n", pidlFolder, pdwAttributes);
if (!_ILIsPidlSimple(pidlFolder)) {
ERR("HCR_GetFolderAttributes should be called for simple PIDL's only!\n");
return FALSE;
}
if (!_ILIsDesktop(pidlFolder)) {
if (FAILED(StringFromCLSID(_ILGetGUIDPointer(pidlFolder), &pwszCLSID))) return FALSE;
memcpy(&wszShellFolderKey[6], pwszCLSID, 38 * sizeof(WCHAR));
CoTaskMemFree(pwszCLSID);
}
lResult = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszShellFolderKey, 0, KEY_READ, &hSFKey);
if (lResult != ERROR_SUCCESS) return FALSE;
dwLen = sizeof(DWORD);
lResult = RegQueryValueExW(hSFKey, wszCallForAttributes, 0, NULL, (LPBYTE)&dwTemp, &dwLen);
if ((lResult == ERROR_SUCCESS) && (dwTemp & *pdwAttributes)) {
LPSHELLFOLDER psfDesktop, psfFolder;
HRESULT hr;
RegCloseKey(hSFKey);
hr = SHGetDesktopFolder(&psfDesktop);
if (SUCCEEDED(hr)) {
hr = IShellFolder_BindToObject(psfDesktop, pidlFolder, NULL, &IID_IShellFolder,
(LPVOID*)&psfFolder);
if (SUCCEEDED(hr)) {
hr = IShellFolder_GetAttributesOf(psfFolder, 0, NULL, pdwAttributes);
IShellFolder_Release(psfFolder);
}
IShellFolder_Release(psfDesktop);
}
if (FAILED(hr)) return FALSE;
} else {
lResult = RegQueryValueExW(hSFKey, wszAttributes, 0, NULL, (LPBYTE)&dwTemp, &dwLen);
RegCloseKey(hSFKey);
if (lResult == ERROR_SUCCESS) {
*pdwAttributes &= dwTemp;
} else {
return FALSE;
}
}
TRACE("-- *pdwAttributes == 0x%08lx\n", *pdwAttributes);
return TRUE;
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}