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c3529a41f527101f05e9e834a19205ee33a3b097
easy7zip/CPP/7zip/UI/Explorer/ContextMenu.cpp
Igor Pavlov c3529a41f5 21.07
2022-01-22 18:43:09 +00:00

1679 lines
41 KiB
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// ContextMenu.cpp
#include "StdAfx.h"
#include "../../../Common/ComTry.h"
#include "../../../Common/IntToString.h"
#include "../../../Common/StringConvert.h"
#include "../../../Windows/COM.h"
#include "../../../Windows/DLL.h"
#include "../../../Windows/FileDir.h"
#include "../../../Windows/FileFind.h"
#include "../../../Windows/FileName.h"
#include "../../../Windows/MemoryGlobal.h"
#include "../../../Windows/Menu.h"
#include "../../../Windows/ProcessUtils.h"
#include "../../../Windows/Shell.h"
#include "../../PropID.h"
#include "../Common/ArchiveName.h"
#include "../Common/CompressCall.h"
#include "../Common/ExtractingFilePath.h"
#include "../Common/ZipRegistry.h"
#include "../FileManager/FormatUtils.h"
#include "../FileManager/PropertyName.h"
#ifdef LANG
#include "../FileManager/LangUtils.h"
#endif
#include "ContextMenu.h"
#include "ContextMenuFlags.h"
#include "MyMessages.h"
#include "resource.h"
// #define SHOW_DEBUG_CTX_MENU
#ifdef SHOW_DEBUG_CTX_MENU
#include <stdio.h>
#endif
using namespace NWindows;
using namespace NFile;
using namespace NDir;
#ifndef UNDER_CE
#define EMAIL_SUPPORT 1
#endif
extern LONG g_DllRefCount;
#ifdef _WIN32
extern HINSTANCE g_hInstance;
#endif
#ifdef SHOW_DEBUG_CTX_MENU
void Print_Ptr(void *p, char *s)
{
char temp[64];
ConvertUInt64ToHex((UInt64)(void *)p, temp);
AString s2;
s2 += temp;
s2.Add_Space();
s2 += s;
OutputDebugStringA(s2);
}
void Print_Number(UInt32 number, char *s)
{
char temp[64];
ConvertUInt64ToString(number, temp);
AString s2;
s2 += temp;
s2.Add_Space();
s2 += s;
OutputDebugStringA(s2);
}
#define ODS(sz) Print_Ptr(this, sz)
#define ODS_U(s) OutputDebugStringW(s);
// #define ODS(sz)
// #define ODS_U(s)
#define ODS2(sz) Print_Ptr(this, sz)
#else
#define Print_Number(number, s)
#define ODS(sz)
#define ODS_U(s)
#define ODS2(sz)
#endif
CZipContextMenu::CZipContextMenu():
_isMenuForFM(false),
_dropMode(false),
_bitmap(NULL),
IsSeparator(false),
IsRoot(true),
CurrentSubCommand(0)
{
ODS("-- CZipContextMenu()");
InterlockedIncrement(&g_DllRefCount);
_bitmap = ::LoadBitmap(g_hInstance, MAKEINTRESOURCE(IDB_MENU_LOGO));
}
CZipContextMenu::~CZipContextMenu()
{
ODS("== ~CZipContextMenu");
if (_bitmap != NULL)
DeleteObject(_bitmap);
InterlockedDecrement(&g_DllRefCount);
}
HRESULT CZipContextMenu::GetFileNames(LPDATAOBJECT dataObject, UStringVector &fileNames)
{
fileNames.Clear();
if (!dataObject)
return E_INVALIDARG;
#ifndef UNDER_CE
FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
NCOM::CStgMedium stgMedium;
HRESULT result = dataObject->GetData(&fmte, &stgMedium);
if (result != S_OK)
return result;
stgMedium._mustBeReleased = true;
NShell::CDrop drop(false);
NMemory::CGlobalLock globalLock(stgMedium->hGlobal);
drop.Attach((HDROP)globalLock.GetPointer());
drop.QueryFileNames(fileNames);
#endif
return S_OK;
}
// IShellExtInit
STDMETHODIMP CZipContextMenu::Initialize(LPCITEMIDLIST pidlFolder, LPDATAOBJECT dataObject, HKEY /* hkeyProgID */)
{
// OutputDebugString(TEXT("::Initialize\r\n"));
_dropMode = false;
_dropPath.Empty();
if (pidlFolder != 0)
{
#ifndef UNDER_CE
if (NShell::GetPathFromIDList(pidlFolder, _dropPath))
{
// OutputDebugString(path);
// OutputDebugString(TEXT("\r\n"));
NName::NormalizeDirPathPrefix(_dropPath);
_dropMode = !_dropPath.IsEmpty();
}
else
#endif
_dropPath.Empty();
}
/*
m_IsFolder = false;
if (pidlFolder == 0)
*/
// pidlFolder is NULL :(
return GetFileNames(dataObject, _fileNames);
}
HRESULT CZipContextMenu::InitContextMenu(const wchar_t * /* folder */, const wchar_t * const *names, unsigned numFiles)
{
_isMenuForFM = true;
_fileNames.Clear();
for (UInt32 i = 0; i < numFiles; i++)
{
// MessageBoxW(0, names[i], NULL, 0);
// OutputDebugStringW(names[i]);
_fileNames.Add(names[i]);
}
_dropMode = false;
return S_OK;
}
/////////////////////////////
// IContextMenu
static LPCSTR const kMainVerb = "SevenZip";
static LPCSTR const kOpenCascadedVerb = "SevenZip.OpenWithType.";
static LPCSTR const kCheckSumCascadedVerb = "SevenZip.Checksum";
struct CContextMenuCommand
{
UInt32 flag;
CZipContextMenu::ECommandInternalID CommandInternalID;
LPCSTR Verb;
UINT ResourceID;
};
#define CMD_REC(cns, verb, ids) { NContextMenuFlags::cns, CZipContextMenu::cns, verb, ids }
static const CContextMenuCommand g_Commands[] =
{
CMD_REC( kOpen, "Open", IDS_CONTEXT_OPEN),
CMD_REC( kExtract, "Extract", IDS_CONTEXT_EXTRACT),
CMD_REC( kExtractHere, "ExtractHere", IDS_CONTEXT_EXTRACT_HERE),
CMD_REC( kExtractTo, "ExtractTo", IDS_CONTEXT_EXTRACT_TO),
CMD_REC( kTest, "Test", IDS_CONTEXT_TEST),
CMD_REC( kCompress, "Compress", IDS_CONTEXT_COMPRESS),
CMD_REC( kCompressEmail, "CompressEmail", IDS_CONTEXT_COMPRESS_EMAIL),
CMD_REC( kCompressTo7z, "CompressTo7z", IDS_CONTEXT_COMPRESS_TO),
CMD_REC( kCompressTo7zEmail, "CompressTo7zEmail", IDS_CONTEXT_COMPRESS_TO_EMAIL),
CMD_REC( kCompressToZip, "CompressToZip", IDS_CONTEXT_COMPRESS_TO),
CMD_REC( kCompressToZipEmail, "CompressToZipEmail", IDS_CONTEXT_COMPRESS_TO_EMAIL)
};
struct CHashCommand
{
CZipContextMenu::ECommandInternalID CommandInternalID;
LPCSTR UserName;
LPCSTR MethodName;
};
static const CHashCommand g_HashCommands[] =
{
{ CZipContextMenu::kHash_CRC32, "CRC-32", "CRC32" },
{ CZipContextMenu::kHash_CRC64, "CRC-64", "CRC64" },
{ CZipContextMenu::kHash_SHA1, "SHA-1", "SHA1" },
{ CZipContextMenu::kHash_SHA256, "SHA-256", "SHA256" },
{ CZipContextMenu::kHash_All, "*", "*" },
{ CZipContextMenu::kHash_Generate_SHA256, "SHA-256 -> file.sha256", "SHA256" },
{ CZipContextMenu::kHash_TestArc, "Checksum : Test", "Hash" }
};
static int FindCommand(CZipContextMenu::ECommandInternalID &id)
{
for (unsigned i = 0; i < ARRAY_SIZE(g_Commands); i++)
if (g_Commands[i].CommandInternalID == id)
return i;
return -1;
}
void CZipContextMenu::FillCommand(ECommandInternalID id, UString &mainString, CCommandMapItem &cmi)
{
mainString.Empty();
int i = FindCommand(id);
if (i < 0)
throw 201908;
const CContextMenuCommand &command = g_Commands[(unsigned)i];
cmi.CommandInternalID = command.CommandInternalID;
cmi.Verb = kMainVerb;
cmi.Verb += command.Verb;
// cmi.HelpString = cmi.Verb;
LangString(command.ResourceID, mainString);
cmi.UserString = mainString;
// return true;
}
static UString LangStringAlt(UInt32 id, const char *altString)
{
UString s = LangString(id);
if (s.IsEmpty())
s = altString;
return s;
}
void CZipContextMenu::AddCommand(ECommandInternalID id, UString &mainString, CCommandMapItem &cmi)
{
FillCommand(id, mainString, cmi);
_commandMap.Add(cmi);
}
static void MyInsertMenu(CMenu &menu, int pos, UINT id, const UString &s, HBITMAP bitmap)
{
if (!menu)
return;
CMenuItem mi;
mi.fType = MFT_STRING;
mi.fMask = MIIM_TYPE | MIIM_ID;
if (bitmap)
mi.fMask |= MIIM_CHECKMARKS;
mi.wID = id;
mi.StringValue = s;
mi.hbmpUnchecked = bitmap;
// mi.hbmpChecked = bitmap; // do we need hbmpChecked ???
if (!menu.InsertItem(pos, true, mi))
throw 20190816;
// SetMenuItemBitmaps also works
// ::SetMenuItemBitmaps(menu, pos, MF_BYPOSITION, bitmap, NULL);
}
static void MyAddSubMenu(
CObjectVector<CZipContextMenu::CCommandMapItem> &_commandMap,
const char *verb,
CMenu &menu, int pos, UINT id, const UString &s, HMENU hSubMenu, HBITMAP bitmap)
{
CZipContextMenu::CCommandMapItem cmi;
cmi.CommandInternalID = CZipContextMenu::kCommandNULL;
cmi.Verb = verb;
cmi.IsPopup = true;
// cmi.HelpString = verb;
cmi.UserString = s;
_commandMap.Add(cmi);
if (!menu)
return;
CMenuItem mi;
mi.fType = MFT_STRING;
mi.fMask = MIIM_SUBMENU | MIIM_TYPE | MIIM_ID;
if (bitmap)
mi.fMask |= MIIM_CHECKMARKS;
mi.wID = id;
mi.hSubMenu = hSubMenu;
mi.hbmpUnchecked = bitmap;
mi.StringValue = s;
if (!menu.InsertItem(pos, true, mi))
throw 20190817;
}
static const char * const kArcExts[] =
{
"7z"
, "bz2"
, "gz"
, "rar"
, "zip"
};
static bool IsItArcExt(const UString &ext)
{
for (unsigned i = 0; i < ARRAY_SIZE(kArcExts); i++)
if (ext.IsEqualTo_Ascii_NoCase(kArcExts[i]))
return true;
return false;
}
UString GetSubFolderNameForExtract(const UString &arcName);
UString GetSubFolderNameForExtract(const UString &arcName)
{
int dotPos = arcName.ReverseFind_Dot();
if (dotPos < 0)
return Get_Correct_FsFile_Name(arcName) + L'~';
const UString ext = arcName.Ptr(dotPos + 1);
UString res = arcName.Left(dotPos);
res.TrimRight();
dotPos = res.ReverseFind_Dot();
if (dotPos > 0)
{
const UString ext2 = res.Ptr(dotPos + 1);
if ((ext.IsEqualTo_Ascii_NoCase("001") && IsItArcExt(ext2))
|| (ext.IsEqualTo_Ascii_NoCase("rar") &&
( ext2.IsEqualTo_Ascii_NoCase("part001")
|| ext2.IsEqualTo_Ascii_NoCase("part01")
|| ext2.IsEqualTo_Ascii_NoCase("part1"))))
res.DeleteFrom(dotPos);
res.TrimRight();
}
return Get_Correct_FsFile_Name(res);
}
static void ReduceString(UString &s)
{
const unsigned kMaxSize = 64;
if (s.Len() <= kMaxSize)
return;
s.Delete(kMaxSize / 2, s.Len() - kMaxSize);
s.Insert(kMaxSize / 2, L" ... ");
}
static UString GetQuotedReducedString(const UString &s)
{
UString s2 = s;
ReduceString(s2);
s2.Replace(L"&", L"&&");
return GetQuotedString(s2);
}
static void MyFormatNew_ReducedName(UString &s, const UString &name)
{
s = MyFormatNew(s, GetQuotedReducedString(name));
}
static const char * const kExtractExcludeExtensions =
" 3gp"
" aac ans ape asc asm asp aspx avi awk"
" bas bat bmp"
" c cs cls clw cmd cpp csproj css ctl cxx"
" def dep dlg dsp dsw"
" eps"
" f f77 f90 f95 fla flac frm"
" gif"
" h hpp hta htm html hxx"
" ico idl inc ini inl"
" java jpeg jpg js"
" la lnk log"
" mak manifest wmv mov mp3 mp4 mpe mpeg mpg m4a"
" ofr ogg"
" pac pas pdf php php3 php4 php5 phptml pl pm png ps py pyo"
" ra rb rc reg rka rm rtf"
" sed sh shn shtml sln sql srt swa"
" tcl tex tiff tta txt"
" vb vcproj vbs"
" wav wma wv"
" xml xsd xsl xslt"
" ";
/*
static const char * const kNoOpenAsExtensions =
" 7z arj bz2 cab chm cpio flv gz lha lzh lzma rar swm tar tbz2 tgz wim xar xz z zip ";
*/
static const char * const kOpenTypes[] =
{
""
, "*"
, "#"
, "#:e"
// , "#:a"
, "7z"
, "zip"
, "cab"
, "rar"
};
static bool FindExt(const char *p, const FString &name)
{
int dotPos = name.ReverseFind_Dot();
if (dotPos < 0 || dotPos == (int)name.Len() - 1)
return false;
AString s;
for (unsigned pos = dotPos + 1;; pos++)
{
wchar_t c = name[pos];
if (c == 0)
break;
if (c >= 0x80)
return false;
s += (char)MyCharLower_Ascii((char)c);
}
for (unsigned i = 0; p[i] != 0;)
{
unsigned j;
for (j = i; p[j] != ' '; j++);
if (s.Len() == j - i && memcmp(p + i, (const char *)s, s.Len()) == 0)
return true;
i = j + 1;
}
return false;
}
static bool DoNeedExtract(const FString &name)
{
return !FindExt(kExtractExcludeExtensions, name);
}
// we must use diferent Verbs for Popup subMenu.
void CZipContextMenu::AddMapItem_ForSubMenu(const char *verb)
{
CCommandMapItem cmi;
cmi.CommandInternalID = kCommandNULL;
cmi.Verb = verb;
// cmi.HelpString = verb;
_commandMap.Add(cmi);
}
static HRESULT RETURN_WIN32_LastError_AS_HRESULT()
{
DWORD lastError = ::GetLastError();
if (lastError == 0)
return E_FAIL;
return HRESULT_FROM_WIN32(lastError);
}
/*
we add CCommandMapItem to _commandMap for each new Menu ID.
so then we use _commandMap[offset].
That way we can execute commands that have menu item.
Another non-implemented way:
We can return the number off all possible commands in QueryContextMenu().
so the caller could call InvokeCommand() via string verb even
without using menu items.
*/
STDMETHODIMP CZipContextMenu::QueryContextMenu(HMENU hMenu, UINT indexMenu,
UINT commandIDFirst, UINT commandIDLast, UINT flags)
{
ODS("+ QueryContextMenu()");
COM_TRY_BEGIN
try {
#ifdef SHOW_DEBUG_CTX_MENU
{ char s[256]; sprintf(s, "QueryContextMenu: index=%d first=%d last=%d flags=%x _files=%d",
indexMenu, commandIDFirst, commandIDLast, flags, _fileNames.Size()); OutputDebugStringA(s); }
/*
for (UInt32 i = 0; i < _fileNames.Size(); i++)
{
OutputDebugStringW(_fileNames[i]);
}
*/
#endif
LoadLangOneTime();
if (_fileNames.Size() == 0)
{
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
// return E_INVALIDARG;
}
if (commandIDFirst > commandIDLast)
return E_INVALIDARG;
UINT currentCommandID = commandIDFirst;
if ((flags & 0x000F) != CMF_NORMAL
&& (flags & CMF_VERBSONLY) == 0
&& (flags & CMF_EXPLORE) == 0)
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, currentCommandID - commandIDFirst);
// return MAKE_HRESULT(SEVERITY_SUCCESS, 0, currentCommandID);
// 19.01 : we changed from (currentCommandID) to (currentCommandID - commandIDFirst)
// why it was so before?
_commandMap.Clear();
CMenu popupMenu;
CMenuDestroyer menuDestroyer;
CContextMenuInfo ci;
ci.Load();
_elimDup = ci.ElimDup;
HBITMAP bitmap = NULL;
if (ci.MenuIcons.Val)
bitmap = _bitmap;
UINT subIndex = indexMenu;
ODS("### 50");
if (ci.Cascaded.Val)
{
if (hMenu)
if (!popupMenu.CreatePopup())
return RETURN_WIN32_LastError_AS_HRESULT();
menuDestroyer.Attach(popupMenu);
/* 9.31: we commented the following code. Probably we don't need.
Check more systems. Maybe it was for old Windows? */
/*
AddMapItem_ForSubMenu();
currentCommandID++;
*/
subIndex = 0;
}
else
{
popupMenu.Attach(hMenu);
CMenuItem mi;
mi.fType = MFT_SEPARATOR;
mi.fMask = MIIM_TYPE;
if (hMenu)
popupMenu.InsertItem(subIndex++, true, mi);
}
UInt32 contextMenuFlags = ci.Flags;
NFind::CFileInfo fi0;
FString folderPrefix;
if (_fileNames.Size() > 0)
{
const UString &fileName = _fileNames.Front();
#if defined(_WIN32) && !defined(UNDER_CE)
if (NName::IsDevicePath(us2fs(fileName)))
{
// CFileInfo::Find can be slow for device files. So we don't call it.
// we need only name here.
fi0.Name = us2fs(fileName.Ptr(NName::kDevicePathPrefixSize)); // change it 4 - must be constant
folderPrefix =
#ifdef UNDER_CE
"\\";
#else
"C:\\";
#endif
}
else
#endif
{
if (!fi0.Find(us2fs(fileName)))
{
throw 20190820;
// return RETURN_WIN32_LastError_AS_HRESULT();
}
GetOnlyDirPrefix(us2fs(fileName), folderPrefix);
}
}
ODS("### 100");
UString mainString;
if (_fileNames.Size() == 1 && currentCommandID + 14 <= commandIDLast)
{
if (!fi0.IsDir() && DoNeedExtract(fi0.Name))
{
// Open
bool thereIsMainOpenItem = ((contextMenuFlags & NContextMenuFlags::kOpen) != 0);
if (thereIsMainOpenItem)
{
CCommandMapItem cmi;
AddCommand(kOpen, mainString, cmi);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, mainString, bitmap);
}
if ((contextMenuFlags & NContextMenuFlags::kOpenAs) != 0
// && (!thereIsMainOpenItem || !FindExt(kNoOpenAsExtensions, fi0.Name))
&& hMenu // we want to reduce number of menu items below 16
)
{
CMenu subMenu;
if (!hMenu || subMenu.CreatePopup())
{
MyAddSubMenu(_commandMap, kOpenCascadedVerb, popupMenu, subIndex++, currentCommandID++, LangString(IDS_CONTEXT_OPEN), subMenu, bitmap);
_commandMap.Back().CtxCommandType = CtxCommandType_OpenRoot;
UINT subIndex2 = 0;
for (unsigned i = (thereIsMainOpenItem ? 1 : 0); i < ARRAY_SIZE(kOpenTypes); i++)
{
CCommandMapItem cmi;
if (i == 0)
FillCommand(kOpen, mainString, cmi);
else
{
mainString = kOpenTypes[i];
cmi.CommandInternalID = kOpen;
cmi.Verb = kMainVerb;
cmi.Verb += ".Open.";
cmi.Verb += mainString;
// cmi.HelpString = cmi.Verb;
cmi.ArcType = mainString;
cmi.CtxCommandType = CtxCommandType_OpenChild;
}
_commandMap.Add(cmi);
Set_UserString_in_LastCommand(mainString);
MyInsertMenu(subMenu, subIndex2++, currentCommandID++, mainString, bitmap);
}
subMenu.Detach();
}
}
}
}
if (_fileNames.Size() > 0 && currentCommandID + 10 <= commandIDLast)
{
bool needExtract = (!fi0.IsDir() && DoNeedExtract(fi0.Name));
if (!needExtract)
{
for (unsigned i = 1; i < _fileNames.Size(); i++)
{
NFind::CFileInfo fi;
if (!fi.Find(us2fs(_fileNames[i])))
{
throw 20190821;
// return RETURN_WIN32_LastError_AS_HRESULT();
}
if (!fi.IsDir() && DoNeedExtract(fi.Name))
{
needExtract = true;
break;
}
}
}
// const UString &fileName = _fileNames.Front();
if (needExtract)
{
{
UString baseFolder = fs2us(folderPrefix);
if (_dropMode)
baseFolder = _dropPath;
UString specFolder ('*');
if (_fileNames.Size() == 1)
specFolder = GetSubFolderNameForExtract(fs2us(fi0.Name));
specFolder.Add_PathSepar();
if ((contextMenuFlags & NContextMenuFlags::kExtract) != 0)
{
// Extract
CCommandMapItem cmi;
cmi.Folder = baseFolder + specFolder;
AddCommand(kExtract, mainString, cmi);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, mainString, bitmap);
}
if ((contextMenuFlags & NContextMenuFlags::kExtractHere) != 0)
{
// Extract Here
CCommandMapItem cmi;
cmi.Folder = baseFolder;
AddCommand(kExtractHere, mainString, cmi);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, mainString, bitmap);
}
if ((contextMenuFlags & NContextMenuFlags::kExtractTo) != 0)
{
// Extract To
CCommandMapItem cmi;
UString s;
cmi.Folder = baseFolder + specFolder;
AddCommand(kExtractTo, s, cmi);
MyFormatNew_ReducedName(s, specFolder);
Set_UserString_in_LastCommand(s);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, s, bitmap);
}
}
if ((contextMenuFlags & NContextMenuFlags::kTest) != 0)
{
// Test
CCommandMapItem cmi;
AddCommand(kTest, mainString, cmi);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, mainString, bitmap);
}
}
const UString arcName = CreateArchiveName(_fileNames, _fileNames.Size() == 1 ? &fi0 : NULL);
UString arcName7z = arcName;
arcName7z += ".7z";
UString arcNameZip = arcName;
arcNameZip += ".zip";
// Compress
if ((contextMenuFlags & NContextMenuFlags::kCompress) != 0)
{
CCommandMapItem cmi;
if (_dropMode)
cmi.Folder = _dropPath;
else
cmi.Folder = fs2us(folderPrefix);
cmi.ArcName = arcName;
AddCommand(kCompress, mainString, cmi);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, mainString, bitmap);
}
#ifdef EMAIL_SUPPORT
// CompressEmail
if ((contextMenuFlags & NContextMenuFlags::kCompressEmail) != 0 && !_dropMode)
{
CCommandMapItem cmi;
cmi.ArcName = arcName;
AddCommand(kCompressEmail, mainString, cmi);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, mainString, bitmap);
}
#endif
// CompressTo7z
if (contextMenuFlags & NContextMenuFlags::kCompressTo7z &&
!arcName7z.IsEqualTo_NoCase(fs2us(fi0.Name)))
{
CCommandMapItem cmi;
UString s;
if (_dropMode)
cmi.Folder = _dropPath;
else
cmi.Folder = fs2us(folderPrefix);
cmi.ArcName = arcName7z;
cmi.ArcType = "7z";
AddCommand(kCompressTo7z, s, cmi);
MyFormatNew_ReducedName(s, arcName7z);
Set_UserString_in_LastCommand(s);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, s, bitmap);
}
#ifdef EMAIL_SUPPORT
// CompressTo7zEmail
if ((contextMenuFlags & NContextMenuFlags::kCompressTo7zEmail) != 0 && !_dropMode)
{
CCommandMapItem cmi;
UString s;
cmi.ArcName = arcName7z;
cmi.ArcType = "7z";
AddCommand(kCompressTo7zEmail, s, cmi);
MyFormatNew_ReducedName(s, arcName7z);
Set_UserString_in_LastCommand(s);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, s, bitmap);
}
#endif
// CompressToZip
if (contextMenuFlags & NContextMenuFlags::kCompressToZip &&
!arcNameZip.IsEqualTo_NoCase(fs2us(fi0.Name)))
{
CCommandMapItem cmi;
UString s;
if (_dropMode)
cmi.Folder = _dropPath;
else
cmi.Folder = fs2us(folderPrefix);
cmi.ArcName = arcNameZip;
cmi.ArcType = "zip";
AddCommand(kCompressToZip, s, cmi);
MyFormatNew_ReducedName(s, arcNameZip);
Set_UserString_in_LastCommand(s);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, s, bitmap);
}
#ifdef EMAIL_SUPPORT
// CompressToZipEmail
if ((contextMenuFlags & NContextMenuFlags::kCompressToZipEmail) != 0 && !_dropMode)
{
CCommandMapItem cmi;
UString s;
cmi.ArcName = arcNameZip;
cmi.ArcType = "zip";
AddCommand(kCompressToZipEmail, s, cmi);
MyFormatNew_ReducedName(s, arcNameZip);
Set_UserString_in_LastCommand(s);
MyInsertMenu(popupMenu, subIndex++, currentCommandID++, s, bitmap);
}
#endif
}
// don't use InsertMenu: See MSDN:
// PRB: Duplicate Menu Items In the File Menu For a Shell Context Menu Extension
// ID: Q214477
if (ci.Cascaded.Val)
{
CMenu menu;
menu.Attach(hMenu);
menuDestroyer.Disable();
MyAddSubMenu(_commandMap, kMainVerb, menu, indexMenu++, currentCommandID++, (UString)"7-Zip",
popupMenu, // popupMenu.Detach(),
bitmap);
}
else
{
// popupMenu.Detach();
indexMenu = subIndex;
}
const bool needCrc = ((contextMenuFlags &
(NContextMenuFlags::kCRC |
NContextMenuFlags::kCRC_Cascaded)) != 0);
if (
// !_isMenuForFM && // 21.04: we don't hide CRC SHA menu in 7-Zip FM
needCrc
&& currentCommandID + 1 < commandIDLast)
{
CMenu subMenu;
// CMenuDestroyer menuDestroyer_CRC;
UINT subIndex_CRC = 0;
if (!hMenu || subMenu.CreatePopup())
{
// menuDestroyer_CRC.Attach(subMenu);
const bool insertHashMenuTo7zipMenu = (ci.Cascaded.Val
&& (contextMenuFlags & NContextMenuFlags::kCRC_Cascaded) != 0);
CMenu menu;
{
int indexInParent;
if (insertHashMenuTo7zipMenu)
{
indexInParent = subIndex;
menu.Attach(popupMenu);
}
else
{
indexInParent = indexMenu;
menu.Attach(hMenu);
// menuDestroyer_CRC.Disable();
}
MyAddSubMenu(_commandMap, kCheckSumCascadedVerb, menu, indexInParent++, currentCommandID++, (UString)"CRC SHA", subMenu,
/* insertHashMenuTo7zipMenu ? NULL : */ bitmap);
_commandMap.Back().CtxCommandType = CtxCommandType_CrcRoot;
if (!insertHashMenuTo7zipMenu)
indexMenu = indexInParent;
}
for (unsigned i = 0; i < ARRAY_SIZE(g_HashCommands); i++)
{
if (currentCommandID >= commandIDLast)
break;
const CHashCommand &hc = g_HashCommands[i];
CCommandMapItem cmi;
cmi.CommandInternalID = hc.CommandInternalID;
cmi.Verb = kCheckSumCascadedVerb;
cmi.Verb += '.';
cmi.Verb += hc.MethodName;
UString s;
s += hc.UserName;
if (hc.CommandInternalID == kHash_Generate_SHA256)
{
{
popupMenu.Attach(hMenu);
CMenuItem mi;
mi.fType = MFT_SEPARATOR;
mi.fMask = MIIM_TYPE;
subMenu.InsertItem(subIndex_CRC++, true, mi);
}
UString name;
if (_fileNames.Size() > 1)
name = CreateArchiveName(_fileNames, _fileNames.Size() == 1 ? &fi0 : NULL);
else
name = fs2us(fi0.Name);
name += ".sha256";
cmi.Folder = fs2us(folderPrefix);
cmi.ArcName = name;
s = "SHA-256 -> ";
s += name;
}
else if (hc.CommandInternalID == kHash_TestArc)
{
s = LangStringAlt(IDS_CONTEXT_TEST, "Test archive");
s += " : ";
s += GetNameOfProperty(kpidChecksum, UString("Checksum"));
}
// cmi.HelpString = cmi.Verb;
cmi.UserString = s;
cmi.CtxCommandType = CtxCommandType_CrcChild;
_commandMap.Add(cmi);
MyInsertMenu(subMenu, subIndex_CRC++, currentCommandID++, s, bitmap);
}
subMenu.Detach();
}
}
popupMenu.Detach();
/*
if (!ci.Cascaded.Val)
indexMenu = subIndex;
*/
ODS("### 400");
#ifdef SHOW_DEBUG_CTX_MENU
{ char s[256]; sprintf(s, "Commands=%d currentCommandID - commandIDFirst = %d",
_commandMap.Size(), currentCommandID - commandIDFirst); OutputDebugStringA(s); }
#endif
if (_commandMap.Size() != currentCommandID - commandIDFirst)
throw 20190818;
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, currentCommandID - commandIDFirst);
}
catch(...)
{
/* we added some menu items already : num_added_menu_items,
So we MUST return (number_of_defined_ids), where (number_of_defined_ids >= num_added_menu_items)
This will prevent incorrect menu working, when same IDs can be
assigned in multiple menu items from different subhandlers.
And we must add items to _commandMap before adding to menu.
*/
#ifdef SHOW_DEBUG_CTX_MENU
{ char s[256]; sprintf(s, "catch() exception: Commands=%d",
_commandMap.Size()); OutputDebugStringA(s); }
#endif
// if (_commandMap.Size() != 0)
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, _commandMap.Size());
// throw;
}
COM_TRY_END
}
int CZipContextMenu::FindVerb(const UString &verb)
{
FOR_VECTOR (i, _commandMap)
if (_commandMap[i].Verb == verb)
return i;
return -1;
}
static UString Get7zFmPath()
{
return fs2us(NWindows::NDLL::GetModuleDirPrefix()) + L"7zFM.exe";
}
#ifdef UNDER_CE
#define MY__IS_INTRESOURCE(_r) ((((ULONG_PTR)(_r)) >> 16) == 0)
#else
#define MY__IS_INTRESOURCE(_r) IS_INTRESOURCE(_r)
#endif
#ifdef SHOW_DEBUG_CTX_MENU
static void PrintStringA(const char *name, LPCSTR ptr)
{
AString m;
m += name;
m += ": ";
char s[32];
sprintf(s, "%p", ptr);
m += s;
if (!MY__IS_INTRESOURCE(ptr))
{
m += ": \"";
m += ptr;
m += "\"";
}
OutputDebugStringA(m);
}
#if !defined(UNDER_CE)
static void PrintStringW(const char *name, LPCWSTR ptr)
{
UString m;
m += name;
m += ": ";
char s[32];
sprintf(s, "%p", ptr);
m += s;
if (!MY__IS_INTRESOURCE(ptr))
{
m += ": \"";
m += ptr;
m += "\"";
}
OutputDebugStringW(m);
}
#endif
#endif
STDMETHODIMP CZipContextMenu::InvokeCommand(LPCMINVOKECOMMANDINFO commandInfo)
{
COM_TRY_BEGIN
#ifdef SHOW_DEBUG_CTX_MENU
{ char s[1280]; sprintf(s,
#ifdef _WIN64
"64"
#else
"32"
#endif
": InvokeCommand: cbSize=%d flags=%x "
, commandInfo->cbSize, commandInfo->fMask); OutputDebugStringA(s); }
PrintStringA("Verb", commandInfo->lpVerb);
PrintStringA("Parameters", commandInfo->lpParameters);
PrintStringA("Directory", commandInfo->lpDirectory);
#endif
int commandOffset = -1;
// xp64 / Win10 : explorer.exe sends 0 in lpVerbW
// MSDN: if (IS_INTRESOURCE(lpVerbW)), we must use LOWORD(lpVerb) as sommand offset
// FIXME: MINGW doesn't define CMINVOKECOMMANDINFOEX
#if !defined(UNDER_CE) /* && defined(_MSC_VER) */
bool unicodeVerb = false;
if (commandInfo->cbSize == sizeof(CMINVOKECOMMANDINFOEX) &&
(commandInfo->fMask & CMIC_MASK_UNICODE) != 0)
{
LPCMINVOKECOMMANDINFOEX commandInfoEx = (LPCMINVOKECOMMANDINFOEX)commandInfo;
if (!MY__IS_INTRESOURCE(commandInfoEx->lpVerbW))
{
unicodeVerb = true;
commandOffset = FindVerb(commandInfoEx->lpVerbW);
}
#ifdef SHOW_DEBUG_CTX_MENU
PrintStringW("VerbW", commandInfoEx->lpVerbW);
PrintStringW("ParametersW", commandInfoEx->lpParametersW);
PrintStringW("DirectoryW", commandInfoEx->lpDirectoryW);
PrintStringW("TitleW", commandInfoEx->lpTitleW);
PrintStringA("Title", commandInfoEx->lpTitle);
#endif
}
if (!unicodeVerb)
#endif
{
#ifdef SHOW_DEBUG_CTX_MENU
OutputDebugStringA("use non-UNICODE verb");
#endif
// if (HIWORD(commandInfo->lpVerb) == 0)
if (MY__IS_INTRESOURCE(commandInfo->lpVerb))
commandOffset = LOWORD(commandInfo->lpVerb);
else
commandOffset = FindVerb(GetUnicodeString(commandInfo->lpVerb));
}
#ifdef SHOW_DEBUG_CTX_MENU
{ char s[128]; sprintf(s, "commandOffset=%d",
commandOffset); OutputDebugStringA(s); }
#endif
if (commandOffset < 0 || (unsigned)commandOffset >= _commandMap.Size())
return E_INVALIDARG;
const CCommandMapItem &cmi = _commandMap[(unsigned)commandOffset];
return InvokeCommandCommon(cmi);
COM_TRY_END
}
HRESULT CZipContextMenu::InvokeCommandCommon(const CCommandMapItem &cmi)
{
const ECommandInternalID cmdID = cmi.CommandInternalID;
try
{
switch (cmdID)
{
case kOpen:
{
UString params;
params = GetQuotedString(_fileNames[0]);
if (!cmi.ArcType.IsEmpty())
{
params += " -t";
params += cmi.ArcType;
}
MyCreateProcess(Get7zFmPath(), params);
break;
}
case kExtract:
case kExtractHere:
case kExtractTo:
{
ExtractArchives(_fileNames, cmi.Folder,
(cmdID == kExtract), // showDialog
(cmdID == kExtractTo) && _elimDup.Val // elimDup
);
break;
}
case kTest:
{
TestArchives(_fileNames);
break;
}
case kCompress:
case kCompressEmail:
case kCompressTo7z:
case kCompressTo7zEmail:
case kCompressToZip:
case kCompressToZipEmail:
{
const bool email =
(cmdID == kCompressEmail) ||
(cmdID == kCompressTo7zEmail) ||
(cmdID == kCompressToZipEmail);
const bool showDialog =
(cmdID == kCompress) ||
(cmdID == kCompressEmail);
const bool addExtension = (cmdID == kCompress || cmdID == kCompressEmail);
CompressFiles(cmi.Folder,
cmi.ArcName, cmi.ArcType,
addExtension,
_fileNames, email, showDialog,
false // waitFinish
);
break;
}
case kHash_CRC32:
case kHash_CRC64:
case kHash_SHA1:
case kHash_SHA256:
case kHash_All:
case kHash_Generate_SHA256:
case kHash_TestArc:
{
for (unsigned i = 0; i < ARRAY_SIZE(g_HashCommands); i++)
{
const CHashCommand &hc = g_HashCommands[i];
if (hc.CommandInternalID == cmdID)
{
if (cmdID == kHash_TestArc)
{
TestArchives(_fileNames, true); // hashMode
break;
}
UString generateName;
if (cmdID == kHash_Generate_SHA256)
generateName = cmi.ArcName;
CalcChecksum(_fileNames, (UString)hc.MethodName,
cmi.Folder, generateName);
break;
}
}
break;
}
case kCommandNULL:
break;
}
}
catch(...)
{
::MessageBoxW(0, L"Error", L"7-Zip", MB_ICONERROR);
}
return S_OK;
}
static void MyCopyString(void *dest, const UString &src, bool writeInUnicode, UINT size)
{
if (size != 0)
size--;
if (writeInUnicode)
{
UString s = src;
s.DeleteFrom(size);
MyStringCopy((wchar_t *)dest, s);
}
else
{
AString s = GetAnsiString(src);
s.DeleteFrom(size);
MyStringCopy((char *)dest, s);
}
}
STDMETHODIMP CZipContextMenu::GetCommandString(UINT_PTR commandOffset, UINT uType,
UINT * /* pwReserved */ , LPSTR pszName, UINT cchMax)
{
COM_TRY_BEGIN
const int cmdOffset = (int)commandOffset;
#ifdef SHOW_DEBUG_CTX_MENU
{ char s[256]; sprintf(s, "GetCommandString: cmdOffset=%d uType=%d cchMax = %d",
cmdOffset, uType, cchMax); OutputDebugStringA(s); }
#endif
if (uType == GCS_VALIDATEA || uType == GCS_VALIDATEW)
{
if (cmdOffset < 0 || (unsigned)cmdOffset >= _commandMap.Size())
return S_FALSE;
else
return S_OK;
}
if (cmdOffset < 0 || (unsigned)cmdOffset >= _commandMap.Size())
{
#ifdef SHOW_DEBUG_CTX_MENU
OutputDebugStringA("---------------- cmdOffset: E_INVALIDARG");
#endif
return E_INVALIDARG;
}
const CCommandMapItem &cmi = _commandMap[(unsigned)cmdOffset];
if (uType == GCS_HELPTEXTA || uType == GCS_HELPTEXTW)
{
// we can return "Verb" here for debug purposes.
// HelpString;
MyCopyString(pszName, cmi.Verb, uType == GCS_HELPTEXTW, cchMax);
return S_OK;
}
if (uType == GCS_VERBA || uType == GCS_VERBW)
{
MyCopyString(pszName, cmi.Verb, uType == GCS_VERBW, cchMax);
return S_OK;
}
return E_INVALIDARG;
COM_TRY_END
}
// ---------- IExplorerCommand ----------
static HRESULT WINAPI My_SHStrDupW(LPCWSTR src, LPWSTR *dest)
{
if (src)
{
const SIZE_T size = (wcslen(src) + 1) * sizeof(WCHAR);
WCHAR *p = (WCHAR *)CoTaskMemAlloc(size);
if (p)
{
memcpy(p, src, size);
*dest = p;
return S_OK;
}
}
*dest = NULL;
return E_OUTOFMEMORY;
}
#define CZipExplorerCommand CZipContextMenu
class CCoTaskWSTR
{
LPWSTR m_str;
CLASS_NO_COPY(CCoTaskWSTR)
public:
CCoTaskWSTR(): m_str(NULL) {}
~CCoTaskWSTR() { ::CoTaskMemFree(m_str); }
LPWSTR* operator&() { return &m_str; }
operator LPCWSTR () const { return m_str; }
// operator LPCOLESTR() const { return m_str; }
operator bool() const { return m_str != NULL; }
// bool operator!() const { return m_str == NULL; }
/*
void Wipe_and_Free()
{
if (m_str)
{
memset(m_str, 0, ::SysStringLen(m_str) * sizeof(*m_str));
Empty();
}
}
*/
private:
/*
CCoTaskWSTR(LPCOLESTR src) { m_str = ::CoTaskMemAlloc(src); }
CCoTaskWSTR& operator=(LPCOLESTR src)
{
::CoTaskMemFree(m_str);
m_str = ::SysAllocString(src);
return *this;
}
void Empty()
{
::CoTaskMemFree(m_str);
m_str = NULL;
}
*/
};
static void LoadPaths(IShellItemArray *psiItemArray, UStringVector &paths)
{
if (psiItemArray)
{
DWORD numItems = 0;
if (psiItemArray->GetCount(&numItems) == S_OK)
{
for (DWORD i = 0; i < numItems; i++)
{
CMyComPtr<IShellItem> item;
if (psiItemArray->GetItemAt(i, &item) == S_OK && item)
{
CCoTaskWSTR displayName;
if (item->GetDisplayName(SIGDN_FILESYSPATH, &displayName) == S_OK
&& (bool)displayName)
{
OutputDebugStringW(displayName);
paths.Add((LPCWSTR)displayName);
}
}
}
}
}
}
void CZipExplorerCommand::LoadItems(IShellItemArray *psiItemArray)
{
SubCommands.Clear();
UStringVector paths;
LoadPaths(psiItemArray, paths);
_fileNames = paths;
HRESULT res = QueryContextMenu(
NULL, // hMenu,
0, // indexMenu,
0, // commandIDFirst,
0 + 999, // commandIDLast,
CMF_NORMAL);
if (FAILED(res))
return /* res */;
CZipExplorerCommand *crcHandler = NULL;
CZipExplorerCommand *openHandler = NULL;
bool useCascadedCrc = true; // false;
bool useCascadedOpen = true; // false;
for (unsigned i = 0; i < _commandMap.Size(); i++)
{
const CCommandMapItem &cmi = _commandMap[i];
if (cmi.IsPopup)
if (!cmi.IsSubMenu())
continue;
// if (cmi.IsSubMenu()) continue // for debug
CZipContextMenu *shellExt = new CZipContextMenu();
shellExt->IsRoot = false;
if (cmi.CtxCommandType == CtxCommandType_CrcRoot && !useCascadedCrc)
shellExt->IsSeparator = true;
{
CZipExplorerCommand *handler = this;
if (cmi.CtxCommandType == CtxCommandType_CrcChild && crcHandler)
handler = crcHandler;
else if (cmi.CtxCommandType == CtxCommandType_OpenChild && openHandler)
handler = openHandler;
handler->SubCommands.AddNew() = shellExt;
}
shellExt->_commandMap_Cur.Add(cmi);
ODS_U(cmi.UserString);
if (cmi.CtxCommandType == CtxCommandType_CrcRoot && useCascadedCrc)
crcHandler = shellExt;
if (cmi.CtxCommandType == CtxCommandType_OpenRoot && useCascadedOpen)
{
// ODS2("cmi.CtxCommandType == CtxCommandType_OpenRoot");
openHandler = shellExt;
}
}
}
STDMETHODIMP CZipExplorerCommand::GetTitle(IShellItemArray *psiItemArray, LPWSTR *ppszName)
{
ODS("- GetTitle()");
// COM_TRY_BEGIN
if (IsSeparator)
{
*ppszName = NULL;
return S_FALSE;
}
UString name;
if (IsRoot)
{
LoadItems(psiItemArray);
name = "7-Zip"; // "New"
}
else
name = "7-Zip item";
if (!_commandMap_Cur.IsEmpty())
{
const CCommandMapItem &mi = _commandMap_Cur[0];
// s += mi.Verb;
// s += " : ";
name = mi.UserString;
}
return My_SHStrDupW(name, ppszName);
// return S_OK;
// COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::GetIcon(IShellItemArray * /* psiItemArray */, LPWSTR *ppszIcon)
{
ODS("- GetIcon()");
// COM_TRY_BEGIN
*ppszIcon = NULL;
// return E_NOTIMPL;
UString imageName = fs2us(NWindows::NDLL::GetModuleDirPrefix());
// imageName += "7zG.exe";
imageName += "7-zip.dll";
// imageName += ",190";
return My_SHStrDupW(imageName, ppszIcon);
// COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::GetToolTip (IShellItemArray * /* psiItemArray */, LPWSTR *ppszInfotip)
{
// COM_TRY_BEGIN
ODS("- GetToolTip()");
*ppszInfotip = NULL;
return E_NOTIMPL;
// COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::GetCanonicalName(GUID *pguidCommandName)
{
// COM_TRY_BEGIN
ODS("- GetCanonicalName()");
*pguidCommandName = GUID_NULL;
return E_NOTIMPL;
// COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::GetState(IShellItemArray * /* psiItemArray */, BOOL /* fOkToBeSlow */, EXPCMDSTATE *pCmdState)
{
// COM_TRY_BEGIN
ODS("- GetState()");
*pCmdState = ECS_ENABLED;
return S_OK;
// COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::Invoke(IShellItemArray *psiItemArray, IBindCtx * /* pbc */)
{
COM_TRY_BEGIN
if (_commandMap_Cur.IsEmpty())
return E_INVALIDARG;
ODS("- Invoke()");
UStringVector paths;
LoadPaths(psiItemArray, paths);
_fileNames = paths;
return InvokeCommandCommon(_commandMap_Cur[0]);
COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::GetFlags(EXPCMDFLAGS *pFlags)
{
ODS("- GetFlags()");
// COM_TRY_BEGIN
EXPCMDFLAGS f = ECF_DEFAULT;
if (IsSeparator)
f = ECF_ISSEPARATOR;
else if (IsRoot)
f = ECF_HASSUBCOMMANDS;
else
{
if (!_commandMap_Cur.IsEmpty())
{
// const CCommandMapItem &cmi = ;
if (_commandMap_Cur[0].IsSubMenu())
{
// ODS("ECF_HASSUBCOMMANDS");
f = ECF_HASSUBCOMMANDS;
}
}
}
*pFlags = f;
return S_OK;
// COM_TRY_END
}
STDMETHODIMP CZipExplorerCommand::EnumSubCommands(IEnumExplorerCommand **ppEnum)
{
ODS("- EnumSubCommands()");
// COM_TRY_BEGIN
*ppEnum = NULL;
if (!_commandMap_Cur.IsEmpty() && _commandMap_Cur[0].IsSubMenu())
{
}
else
{
if (!IsRoot)
return E_NOTIMPL;
if (SubCommands.IsEmpty())
{
return E_NOTIMPL;
}
}
// shellExt->
return QueryInterface(IID_IEnumExplorerCommand, (void **)ppEnum);
// return S_OK;
// COM_TRY_END
}
STDMETHODIMP CZipContextMenu::Next(ULONG celt, IExplorerCommand **pUICommand, ULONG *pceltFetched)
{
ODS("CZipContextMenu::Next()");
Print_Number(celt, "celt");
Print_Number(CurrentSubCommand, "CurrentSubCommand");
Print_Number(SubCommands.Size(), "SubCommands.Size()");
COM_TRY_BEGIN
ULONG fetched = 0;
ULONG i;
for (i = 0; i < celt; i++)
{
pUICommand[i] = NULL;
}
for (i = 0; i < celt && CurrentSubCommand < SubCommands.Size(); i++)
{
pUICommand[i] = SubCommands[CurrentSubCommand++];
pUICommand[i]->AddRef();
fetched++;
}
if (pceltFetched)
*pceltFetched = fetched;
ODS(fetched == celt ? " === OK === " : "=== ERROR ===");
// we return S_FALSE for (fetched == 0)
return (fetched == celt) ? S_OK : S_FALSE;
COM_TRY_END
}
STDMETHODIMP CZipContextMenu::Skip(ULONG celt)
{
ODS("CZipContextMenu::Skip()");
celt = celt;
return E_NOTIMPL;
}
STDMETHODIMP CZipContextMenu::Reset(void)
{
ODS("CZipContextMenu::Reset()");
CurrentSubCommand = 0;
return S_OK;
}
STDMETHODIMP CZipContextMenu::Clone(IEnumExplorerCommand **ppenum)
{
ODS("CZipContextMenu::Clone()");
*ppenum = NULL;
return E_NOTIMPL;
}
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