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reactos/dll/win32/shell32/CDefaultContextMenu.cpp

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/*
* PROJECT: shell32
* LICENSE: GPL - See COPYING in the top level directory
* FILE: dll/win32/shell32/shv_item_new.c
* PURPOSE: provides default context menu implementation
* PROGRAMMERS: Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "precomp.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmenu);
typedef struct _DynamicShellEntry_
{
UINT iIdCmdFirst;
UINT NumIds;
CLSID ClassID;
CComPtr<IContextMenu> pCM;
} DynamicShellEntry, *PDynamicShellEntry;
typedef struct _StaticShellEntry_
{
CStringW Verb;
HKEY hkClass;
} StaticShellEntry, *PStaticShellEntry;
//
// verbs for InvokeCommandInfo
//
struct _StaticInvokeCommandMap_
{
LPCSTR szStringVerb;
UINT IntVerb;
} g_StaticInvokeCmdMap[] =
{
{ "RunAs", 0 }, // Unimplemented
{ "Print", 0 }, // Unimplemented
{ "Preview", 0 }, // Unimplemented
{ "Open", FCIDM_SHVIEW_OPEN },
{ CMDSTR_NEWFOLDERA, FCIDM_SHVIEW_NEWFOLDER },
{ "cut", FCIDM_SHVIEW_CUT},
{ "copy", FCIDM_SHVIEW_COPY},
{ "paste", FCIDM_SHVIEW_INSERT},
{ "link", FCIDM_SHVIEW_CREATELINK},
{ "delete", FCIDM_SHVIEW_DELETE},
{ "properties", FCIDM_SHVIEW_PROPERTIES},
{ "rename", FCIDM_SHVIEW_RENAME},
{ "copyto", FCIDM_SHVIEW_COPYTO },
{ "moveto", FCIDM_SHVIEW_MOVETO },
};
class CDefaultContextMenu :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IContextMenu3,
public IObjectWithSite
{
private:
CComPtr<IUnknown> m_site;
CComPtr<IShellFolder> m_psf;
CComPtr<IContextMenuCB> m_pmcb;
LPFNDFMCALLBACK m_pfnmcb;
UINT m_cidl;
PCUITEMID_CHILD_ARRAY m_apidl;
CComPtr<IDataObject> m_pDataObj;
HKEY* m_aKeys;
UINT m_cKeys;
PIDLIST_ABSOLUTE m_pidlFolder;
DWORD m_bGroupPolicyActive;
CAtlList<DynamicShellEntry> m_DynamicEntries;
UINT m_iIdSHEFirst; /* first used id */
UINT m_iIdSHELast; /* last used id */
CAtlList<StaticShellEntry> m_StaticEntries;
UINT m_iIdSCMFirst; /* first static used id */
UINT m_iIdSCMLast; /* last static used id */
UINT m_iIdCBFirst; /* first callback used id */
UINT m_iIdCBLast; /* last callback used id */
UINT m_iIdDfltFirst; /* first default part id */
UINT m_iIdDfltLast; /* last default part id */
HRESULT _DoCallback(UINT uMsg, WPARAM wParam, LPVOID lParam);
void AddStaticEntry(const HKEY hkeyClass, const WCHAR *szVerb);
void AddStaticEntriesForKey(HKEY hKey);
BOOL IsShellExtensionAlreadyLoaded(REFCLSID clsid);
HRESULT LoadDynamicContextMenuHandler(HKEY hKey, REFCLSID clsid);
BOOL EnumerateDynamicContextHandlerForKey(HKEY hRootKey);
UINT AddShellExtensionsToMenu(HMENU hMenu, UINT* pIndexMenu, UINT idCmdFirst, UINT idCmdLast);
UINT AddStaticContextMenusToMenu(HMENU hMenu, UINT* IndexMenu, UINT iIdCmdFirst, UINT iIdCmdLast);
HRESULT DoPaste(LPCMINVOKECOMMANDINFO lpcmi, BOOL bLink);
HRESULT DoOpenOrExplore(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT DoCreateLink(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT DoDelete(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT DoCopyOrCut(LPCMINVOKECOMMANDINFO lpcmi, BOOL bCopy);
HRESULT DoRename(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT DoProperties(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT DoUndo(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT DoCreateNewFolder(LPCMINVOKECOMMANDINFO lpici);
HRESULT DoCopyToMoveToFolder(LPCMINVOKECOMMANDINFO lpici, BOOL bCopy);
HRESULT InvokeShellExt(LPCMINVOKECOMMANDINFO lpcmi);
HRESULT InvokeRegVerb(LPCMINVOKECOMMANDINFO lpcmi);
DWORD BrowserFlagsFromVerb(LPCMINVOKECOMMANDINFO lpcmi, PStaticShellEntry pEntry);
HRESULT TryToBrowse(LPCMINVOKECOMMANDINFO lpcmi, LPCITEMIDLIST pidl, DWORD wFlags);
HRESULT InvokePidl(LPCMINVOKECOMMANDINFO lpcmi, LPCITEMIDLIST pidl, PStaticShellEntry pEntry);
PDynamicShellEntry GetDynamicEntry(UINT idCmd);
BOOL MapVerbToCmdId(PVOID Verb, PUINT idCmd, BOOL IsUnicode);
public:
CDefaultContextMenu();
~CDefaultContextMenu();
HRESULT WINAPI Initialize(const DEFCONTEXTMENU *pdcm, LPFNDFMCALLBACK lpfn);
// IContextMenu
virtual HRESULT WINAPI QueryContextMenu(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
virtual HRESULT WINAPI InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi);
virtual HRESULT WINAPI GetCommandString(UINT_PTR idCommand, UINT uFlags, UINT *lpReserved, LPSTR lpszName, UINT uMaxNameLen);
// IContextMenu2
virtual HRESULT WINAPI HandleMenuMsg(UINT uMsg, WPARAM wParam, LPARAM lParam);
// IContextMenu3
virtual HRESULT WINAPI HandleMenuMsg2(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *plResult);
// IObjectWithSite
virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite);
virtual HRESULT STDMETHODCALLTYPE GetSite(REFIID riid, void **ppvSite);
BEGIN_COM_MAP(CDefaultContextMenu)
COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
COM_INTERFACE_ENTRY_IID(IID_IContextMenu2, IContextMenu2)
COM_INTERFACE_ENTRY_IID(IID_IContextMenu3, IContextMenu3)
COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
END_COM_MAP()
};
CDefaultContextMenu::CDefaultContextMenu() :
m_psf(NULL),
m_pmcb(NULL),
m_pfnmcb(NULL),
m_cidl(0),
m_apidl(NULL),
m_pDataObj(NULL),
m_aKeys(NULL),
m_cKeys(NULL),
m_pidlFolder(NULL),
m_bGroupPolicyActive(0),
m_iIdSHEFirst(0),
m_iIdSHELast(0),
m_iIdSCMFirst(0),
m_iIdSCMLast(0),
m_iIdCBFirst(0),
m_iIdCBLast(0),
m_iIdDfltFirst(0),
m_iIdDfltLast(0)
{
}
CDefaultContextMenu::~CDefaultContextMenu()
{
m_DynamicEntries.RemoveAll();
m_StaticEntries.RemoveAll();
for (UINT i = 0; i < m_cKeys; i++)
RegCloseKey(m_aKeys[i]);
HeapFree(GetProcessHeap(), 0, m_aKeys);
if (m_pidlFolder)
CoTaskMemFree(m_pidlFolder);
_ILFreeaPidl(const_cast<PITEMID_CHILD *>(m_apidl), m_cidl);
}
HRESULT WINAPI CDefaultContextMenu::Initialize(const DEFCONTEXTMENU *pdcm, LPFNDFMCALLBACK lpfn)
{
TRACE("cidl %u\n", pdcm->cidl);
if (!pdcm->pcmcb && !lpfn)
{
ERR("CDefaultContextMenu needs a callback!\n");
return E_INVALIDARG;
}
m_cidl = pdcm->cidl;
m_apidl = const_cast<PCUITEMID_CHILD_ARRAY>(_ILCopyaPidl(pdcm->apidl, m_cidl));
if (m_cidl && !m_apidl)
return E_OUTOFMEMORY;
m_psf = pdcm->psf;
m_pmcb = pdcm->pcmcb;
m_pfnmcb = lpfn;
m_cKeys = pdcm->cKeys;
if (pdcm->cKeys)
{
m_aKeys = (HKEY*)HeapAlloc(GetProcessHeap(), 0, sizeof(HKEY) * pdcm->cKeys);
if (!m_aKeys)
return E_OUTOFMEMORY;
memcpy(m_aKeys, pdcm->aKeys, sizeof(HKEY) * pdcm->cKeys);
}
m_psf->GetUIObjectOf(pdcm->hwnd, m_cidl, m_apidl, IID_NULL_PPV_ARG(IDataObject, &m_pDataObj));
if (pdcm->pidlFolder)
{
m_pidlFolder = ILClone(pdcm->pidlFolder);
}
else
{
CComPtr<IPersistFolder2> pf = NULL;
if (SUCCEEDED(m_psf->QueryInterface(IID_PPV_ARG(IPersistFolder2, &pf))))
{
if (FAILED(pf->GetCurFolder(&m_pidlFolder)))
ERR("GetCurFolder failed\n");
}
TRACE("pidlFolder %p\n", m_pidlFolder);
}
return S_OK;
}
HRESULT CDefaultContextMenu::_DoCallback(UINT uMsg, WPARAM wParam, LPVOID lParam)
{
if (m_pmcb)
{
return m_pmcb->CallBack(m_psf, NULL, m_pDataObj, uMsg, wParam, (LPARAM)lParam);
}
else if(m_pfnmcb)
{
return m_pfnmcb(m_psf, NULL, m_pDataObj, uMsg, wParam, (LPARAM)lParam);
}
return E_FAIL;
}
void CDefaultContextMenu::AddStaticEntry(const HKEY hkeyClass, const WCHAR *szVerb)
{
POSITION it = m_StaticEntries.GetHeadPosition();
while (it != NULL)
{
const StaticShellEntry& info = m_StaticEntries.GetNext(it);
if (info.Verb.CompareNoCase(szVerb) == 0)
{
/* entry already exists */
return;
}
}
TRACE("adding verb %s\n", debugstr_w(szVerb));
if (!wcsicmp(szVerb, L"open"))
{
/* open verb is always inserted in front */
m_StaticEntries.AddHead({ szVerb, hkeyClass });
}
else
{
m_StaticEntries.AddTail({ szVerb, hkeyClass });
}
}
void CDefaultContextMenu::AddStaticEntriesForKey(HKEY hKey)
{
WCHAR wszName[40];
DWORD cchName, dwIndex = 0;
HKEY hShellKey;
LRESULT lres = RegOpenKeyExW(hKey, L"shell", 0, KEY_READ, &hShellKey);
if (lres != STATUS_SUCCESS)
return;
while(TRUE)
{
cchName = _countof(wszName);
if (RegEnumKeyExW(hShellKey, dwIndex++, wszName, &cchName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
break;
AddStaticEntry(hKey, wszName);
}
RegCloseKey(hShellKey);
}
static
BOOL
HasClipboardData()
{
BOOL bRet = FALSE;
CComPtr<IDataObject> pDataObj;
if (SUCCEEDED(OleGetClipboard(&pDataObj)))
{
FORMATETC formatetc;
TRACE("pDataObj=%p\n", pDataObj.p);
/* Set the FORMATETC structure*/
InitFormatEtc(formatetc, RegisterClipboardFormatW(CFSTR_SHELLIDLIST), TYMED_HGLOBAL);
bRet = SUCCEEDED(pDataObj->QueryGetData(&formatetc));
}
return bRet;
}
BOOL
CDefaultContextMenu::IsShellExtensionAlreadyLoaded(REFCLSID clsid)
{
POSITION it = m_DynamicEntries.GetHeadPosition();
while (it != NULL)
{
const DynamicShellEntry& info = m_DynamicEntries.GetNext(it);
if (info.ClassID == clsid)
return TRUE;
}
return FALSE;
}
HRESULT
CDefaultContextMenu::LoadDynamicContextMenuHandler(HKEY hKey, REFCLSID clsid)
{
HRESULT hr;
TRACE("LoadDynamicContextMenuHandler entered with This %p hKey %p pclsid %s\n", this, hKey, wine_dbgstr_guid(&clsid));
if (IsShellExtensionAlreadyLoaded(clsid))
return S_OK;
CComPtr<IContextMenu> pcm;
hr = SHCoCreateInstance(NULL, &clsid, NULL, IID_PPV_ARG(IContextMenu, &pcm));
if (FAILED(hr))
{
ERR("SHCoCreateInstance(IContextMenu) failed.clsid %s hr 0x%x\n", wine_dbgstr_guid(&clsid), hr);
return hr;
}
CComPtr<IShellExtInit> pExtInit;
hr = pcm->QueryInterface(IID_PPV_ARG(IShellExtInit, &pExtInit));
if (FAILED(hr))
{
ERR("IContextMenu->QueryInterface(IShellExtInit) failed.clsid %s hr 0x%x\n", wine_dbgstr_guid(&clsid), hr);
return hr;
}
hr = pExtInit->Initialize(m_pidlFolder, m_pDataObj, hKey);
if (FAILED(hr))
{
WARN("IShellExtInit::Initialize failed.clsid %s hr 0x%x\n", wine_dbgstr_guid(&clsid), hr);
return hr;
}
if (m_site)
IUnknown_SetSite(pcm, m_site);
m_DynamicEntries.AddTail({ 0, 0, clsid, pcm });
return S_OK;
}
BOOL
CDefaultContextMenu::EnumerateDynamicContextHandlerForKey(HKEY hRootKey)
{
WCHAR wszName[MAX_PATH], wszBuf[MAX_PATH], *pwszClsid;
DWORD cchName;
HRESULT hr;
HKEY hKey;
if (RegOpenKeyExW(hRootKey, L"shellex\\ContextMenuHandlers", 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
TRACE("RegOpenKeyExW failed\n");
return FALSE;
}
DWORD dwIndex = 0;
while (TRUE)
{
cchName = _countof(wszName);
if (RegEnumKeyExW(hKey, dwIndex++, wszName, &cchName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
break;
/* Key name or key value is CLSID */
CLSID clsid;
hr = CLSIDFromString(wszName, &clsid);
if (hr == S_OK)
pwszClsid = wszName;
else
{
DWORD cchBuf = _countof(wszBuf);
if (RegGetValueW(hKey, wszName, NULL, RRF_RT_REG_SZ, NULL, wszBuf, &cchBuf) == ERROR_SUCCESS)
hr = CLSIDFromString(wszBuf, &clsid);
pwszClsid = wszBuf;
}
if (FAILED(hr))
{
ERR("CLSIDFromString failed for clsid %S hr 0x%x\n", pwszClsid, hr);
continue;
}
if (m_bGroupPolicyActive)
{
if (RegGetValueW(HKEY_LOCAL_MACHINE,
L"Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved",
pwszClsid,
RRF_RT_REG_SZ,
NULL,
NULL,
NULL) != ERROR_SUCCESS)
{
ERR("Shell extension %s not approved!\n", pwszClsid);
continue;
}
}
hr = LoadDynamicContextMenuHandler(hKey, clsid);
if (FAILED(hr))
WARN("Failed to get context menu entires from shell extension! clsid: %S\n", pwszClsid);
}
RegCloseKey(hKey);
return TRUE;
}
UINT
CDefaultContextMenu::AddShellExtensionsToMenu(HMENU hMenu, UINT* pIndexMenu, UINT idCmdFirst, UINT idCmdLast)
{
UINT cIds = 0;
if (m_DynamicEntries.IsEmpty())
return cIds;
POSITION it = m_DynamicEntries.GetHeadPosition();
while (it != NULL)
{
DynamicShellEntry& info = m_DynamicEntries.GetNext(it);
HRESULT hr = info.pCM->QueryContextMenu(hMenu, *pIndexMenu, idCmdFirst + cIds, idCmdLast, CMF_NORMAL);
if (SUCCEEDED(hr))
{
info.iIdCmdFirst = cIds;
info.NumIds = LOWORD(hr);
(*pIndexMenu) += info.NumIds;
cIds += info.NumIds;
if (idCmdFirst + cIds >= idCmdLast)
break;
}
TRACE("pEntry hr %x contextmenu %p cmdfirst %x num ids %x\n", hr, info.pCM.p, info.iIdCmdFirst, info.NumIds);
}
return cIds;
}
UINT
CDefaultContextMenu::AddStaticContextMenusToMenu(
HMENU hMenu,
UINT* pIndexMenu,
UINT iIdCmdFirst,
UINT iIdCmdLast)
{
MENUITEMINFOW mii;
UINT idResource;
WCHAR wszVerb[40];
UINT fState;
UINT cIds = 0;
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE | MIIM_DATA;
mii.fType = MFT_STRING;
mii.dwTypeData = NULL;
POSITION it = m_StaticEntries.GetHeadPosition();
bool first = true;
while (it != NULL)
{
StaticShellEntry& info = m_StaticEntries.GetNext(it);
fState = MFS_ENABLED;
mii.dwTypeData = NULL;
/* set first entry as default */
if (first)
{
fState |= MFS_DEFAULT;
first = false;
}
if (info.Verb.CompareNoCase(L"open") == 0)
{
/* override default when open verb is found */
fState |= MFS_DEFAULT;
idResource = IDS_OPEN_VERB;
}
else if (info.Verb.CompareNoCase(L"explore") == 0)
idResource = IDS_EXPLORE_VERB;
else if (info.Verb.CompareNoCase(L"runas") == 0)
idResource = IDS_RUNAS_VERB;
else if (info.Verb.CompareNoCase(L"edit") == 0)
idResource = IDS_EDIT_VERB;
else if (info.Verb.CompareNoCase(L"find") == 0)
idResource = IDS_FIND_VERB;
else if (info.Verb.CompareNoCase(L"print") == 0)
idResource = IDS_PRINT_VERB;
else if (info.Verb.CompareNoCase(L"printto") == 0)
{
continue;
}
else
idResource = 0;
/* By default use verb for menu item name */
mii.dwTypeData = (LPWSTR)info.Verb.GetString();
WCHAR wszKey[256];
HRESULT hr;
hr = StringCbPrintfW(wszKey, sizeof(wszKey), L"shell\\%s", info.Verb.GetString());
if (FAILED_UNEXPECTEDLY(hr))
{
continue;
}
BOOL Extended = FALSE;
HKEY hkVerb;
if (idResource > 0)
{
if (LoadStringW(shell32_hInstance, idResource, wszVerb, _countof(wszVerb)))
mii.dwTypeData = wszVerb; /* use translated verb */
else
ERR("Failed to load string\n");
LONG res = RegOpenKeyW(info.hkClass, wszKey, &hkVerb);
if (res == ERROR_SUCCESS)
{
res = RegQueryValueExW(hkVerb, L"Extended", NULL, NULL, NULL, NULL);
Extended = (res == ERROR_SUCCESS);
RegCloseKey(hkVerb);
}
}
else
{
LONG res = RegOpenKeyW(info.hkClass, wszKey, &hkVerb);
if (res == ERROR_SUCCESS)
{
DWORD cbVerb = sizeof(wszVerb);
res = RegLoadMUIStringW(hkVerb, NULL, wszVerb, cbVerb, NULL, 0, NULL);
if (res == ERROR_SUCCESS)
{
/* use description for the menu entry */
mii.dwTypeData = wszVerb;
}
res = RegQueryValueExW(hkVerb, L"Extended", NULL, NULL, NULL, NULL);
Extended = (res == ERROR_SUCCESS);
RegCloseKey(hkVerb);
}
}
if (!Extended || GetAsyncKeyState(VK_SHIFT) < 0)
{
mii.cch = wcslen(mii.dwTypeData);
mii.fState = fState;
mii.wID = iIdCmdFirst + cIds;
InsertMenuItemW(hMenu, *pIndexMenu, TRUE, &mii);
(*pIndexMenu)++;
cIds++;
}
if (mii.wID >= iIdCmdLast)
break;
}
return cIds;
}
void WINAPI _InsertMenuItemW(
HMENU hMenu,
UINT indexMenu,
BOOL fByPosition,
UINT wID,
UINT fType,
LPCWSTR dwTypeData,
UINT fState)
{
MENUITEMINFOW mii;
WCHAR wszText[100];
ZeroMemory(&mii, sizeof(mii));
mii.cbSize = sizeof(mii);
if (fType == MFT_SEPARATOR)
mii.fMask = MIIM_ID | MIIM_TYPE;
else if (fType == MFT_STRING)
{
mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE;
if ((ULONG_PTR)HIWORD((ULONG_PTR)dwTypeData) == 0)
{
if (LoadStringW(shell32_hInstance, LOWORD((ULONG_PTR)dwTypeData), wszText, _countof(wszText)))
mii.dwTypeData = wszText;
else
{
ERR("failed to load string %p\n", dwTypeData);
return;
}
}
else
mii.dwTypeData = (LPWSTR)dwTypeData;
mii.fState = fState;
}
mii.wID = wID;
mii.fType = fType;
InsertMenuItemW(hMenu, indexMenu, fByPosition, &mii);
}
HRESULT
WINAPI
CDefaultContextMenu::QueryContextMenu(
HMENU hMenu,
UINT IndexMenu,
UINT idCmdFirst,
UINT idCmdLast,
UINT uFlags)
{
HRESULT hr;
UINT idCmdNext = idCmdFirst;
UINT cIds = 0;
TRACE("BuildShellItemContextMenu entered\n");
/* Load static verbs and shell extensions from registry */
for (UINT i = 0; i < m_cKeys; i++)
{
AddStaticEntriesForKey(m_aKeys[i]);
EnumerateDynamicContextHandlerForKey(m_aKeys[i]);
}
/* Add static context menu handlers */
cIds = AddStaticContextMenusToMenu(hMenu, &IndexMenu, idCmdFirst, idCmdLast);
m_iIdSCMFirst = 0;
m_iIdSCMLast = cIds;
idCmdNext = idCmdFirst + cIds;
/* Add dynamic context menu handlers */
cIds += AddShellExtensionsToMenu(hMenu, &IndexMenu, idCmdNext, idCmdLast);
m_iIdSHEFirst = m_iIdSCMLast;
m_iIdSHELast = cIds;
idCmdNext = idCmdFirst + cIds;
TRACE("SH_LoadContextMenuHandlers first %x last %x\n", m_iIdSHEFirst, m_iIdSHELast);
/* Now let the callback add its own items */
QCMINFO qcminfo = {hMenu, IndexMenu, idCmdNext, idCmdLast, NULL};
if (SUCCEEDED(_DoCallback(DFM_MERGECONTEXTMENU, uFlags, &qcminfo)))
{
cIds += qcminfo.idCmdFirst;
IndexMenu += qcminfo.idCmdFirst;
m_iIdCBFirst = m_iIdSHELast;
m_iIdCBLast = cIds;
idCmdNext = idCmdFirst + cIds;
}
if (uFlags & CMF_VERBSONLY)
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, cIds);
/* If this is a background context menu we are done */
if (!m_cidl)
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, cIds);
/* Get the attributes of the items */
SFGAOF rfg = SFGAO_BROWSABLE | SFGAO_CANCOPY | SFGAO_CANLINK | SFGAO_CANMOVE | SFGAO_CANDELETE | SFGAO_CANRENAME | SFGAO_HASPROPSHEET | SFGAO_FILESYSTEM | SFGAO_FOLDER;
hr = m_psf->GetAttributesOf(m_cidl, m_apidl, &rfg);
if (FAILED_UNEXPECTEDLY(hr))
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, cIds);
/* Add the default part of the menu */
HMENU hmenuDefault = LoadMenu(_AtlBaseModule.GetResourceInstance(), L"MENU_SHV_FILE");
/* Remove uneeded entries */
if (!(rfg & SFGAO_CANMOVE))
DeleteMenu(hmenuDefault, IDM_CUT, MF_BYCOMMAND);
if (!(rfg & SFGAO_CANCOPY))
DeleteMenu(hmenuDefault, IDM_COPY, MF_BYCOMMAND);
if (!((rfg & SFGAO_FILESYSTEM) && HasClipboardData()))
DeleteMenu(hmenuDefault, IDM_INSERT, MF_BYCOMMAND);
if (!(rfg & SFGAO_CANLINK))
DeleteMenu(hmenuDefault, IDM_CREATELINK, MF_BYCOMMAND);
if (!(rfg & SFGAO_CANDELETE))
DeleteMenu(hmenuDefault, IDM_DELETE, MF_BYCOMMAND);
if (!(rfg & SFGAO_CANRENAME))
DeleteMenu(hmenuDefault, IDM_RENAME, MF_BYCOMMAND);
if (!(rfg & SFGAO_HASPROPSHEET))
DeleteMenu(hmenuDefault, IDM_PROPERTIES, MF_BYCOMMAND);
UINT idMax = Shell_MergeMenus(hMenu, GetSubMenu(hmenuDefault, 0), IndexMenu, idCmdNext, idCmdLast, 0);
m_iIdDfltFirst = cIds;
cIds += idMax - idCmdNext;
m_iIdDfltLast = cIds;
DestroyMenu(hmenuDefault);
return MAKE_HRESULT(SEVERITY_SUCCESS, 0, cIds);
}
HRESULT CDefaultContextMenu::DoPaste(LPCMINVOKECOMMANDINFO lpcmi, BOOL bLink)
{
HRESULT hr;
CComPtr<IDataObject> pda;
hr = OleGetClipboard(&pda);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
FORMATETC formatetc2;
STGMEDIUM medium2;
InitFormatEtc(formatetc2, RegisterClipboardFormatW(CFSTR_PREFERREDDROPEFFECT), TYMED_HGLOBAL);
DWORD dwKey= 0;
if (SUCCEEDED(pda->GetData(&formatetc2, &medium2)))
{
DWORD * pdwFlag = (DWORD*)GlobalLock(medium2.hGlobal);
if (pdwFlag)
{
if (*pdwFlag == DROPEFFECT_COPY)
dwKey = MK_CONTROL;
else
dwKey = MK_SHIFT;
}
else
{
ERR("No drop effect obtained\n");
}
GlobalUnlock(medium2.hGlobal);
}
if (bLink)
{
dwKey = MK_CONTROL|MK_SHIFT;
}
CComPtr<IDropTarget> pdrop;
if (m_cidl)
hr = m_psf->GetUIObjectOf(NULL, 1, &m_apidl[0], IID_NULL_PPV_ARG(IDropTarget, &pdrop));
else
hr = m_psf->CreateViewObject(NULL, IID_PPV_ARG(IDropTarget, &pdrop));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
SHSimulateDrop(pdrop, pda, dwKey, NULL, NULL);
TRACE("CP result %x\n", hr);
return S_OK;
}
HRESULT
CDefaultContextMenu::DoOpenOrExplore(LPCMINVOKECOMMANDINFO lpcmi)
{
UNIMPLEMENTED;
return E_FAIL;
}
HRESULT CDefaultContextMenu::DoCreateLink(LPCMINVOKECOMMANDINFO lpcmi)
{
if (!m_cidl || !m_pDataObj)
return E_FAIL;
CComPtr<IDropTarget> pDT;
HRESULT hr = m_psf->CreateViewObject(NULL, IID_PPV_ARG(IDropTarget, &pDT));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
SHSimulateDrop(pDT, m_pDataObj, MK_CONTROL|MK_SHIFT, NULL, NULL);
return S_OK;
}
HRESULT CDefaultContextMenu::DoDelete(LPCMINVOKECOMMANDINFO lpcmi)
{
if (!m_cidl || !m_pDataObj)
return E_FAIL;
CComPtr<IDropTarget> pDT;
HRESULT hr = CRecyclerDropTarget_CreateInstance(IID_PPV_ARG(IDropTarget, &pDT));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
DWORD grfKeyState = (lpcmi->fMask & CMIC_MASK_SHIFT_DOWN) ? MK_SHIFT : 0;
SHSimulateDrop(pDT, m_pDataObj, grfKeyState, NULL, NULL);
return S_OK;
}
HRESULT CDefaultContextMenu::DoCopyOrCut(LPCMINVOKECOMMANDINFO lpcmi, BOOL bCopy)
{
if (!m_cidl || !m_pDataObj)
return E_FAIL;
FORMATETC formatetc;
InitFormatEtc(formatetc, RegisterClipboardFormatW(CFSTR_PREFERREDDROPEFFECT), TYMED_HGLOBAL);
STGMEDIUM medium = {0};
medium.tymed = TYMED_HGLOBAL;
medium.hGlobal = GlobalAlloc(GHND, sizeof(DWORD));
DWORD* pdwFlag = (DWORD*)GlobalLock(medium.hGlobal);
if (pdwFlag)
*pdwFlag = bCopy ? DROPEFFECT_COPY : DROPEFFECT_MOVE;
GlobalUnlock(medium.hGlobal);
m_pDataObj->SetData(&formatetc, &medium, TRUE);
HRESULT hr = OleSetClipboard(m_pDataObj);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
HRESULT CDefaultContextMenu::DoRename(LPCMINVOKECOMMANDINFO lpcmi)
{
CComPtr<IShellBrowser> psb;
HRESULT hr;
if (!m_site || !m_cidl)
return E_FAIL;
/* Get a pointer to the shell browser */
hr = IUnknown_QueryService(m_site, SID_IShellBrowser, IID_PPV_ARG(IShellBrowser, &psb));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
CComPtr<IShellView> lpSV;
hr = psb->QueryActiveShellView(&lpSV);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
SVSIF selFlags = SVSI_DESELECTOTHERS | SVSI_EDIT | SVSI_ENSUREVISIBLE | SVSI_FOCUSED | SVSI_SELECT;
hr = lpSV->SelectItem(m_apidl[0], selFlags);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
HRESULT
CDefaultContextMenu::DoProperties(
LPCMINVOKECOMMANDINFO lpcmi)
{
HRESULT hr = _DoCallback(DFM_INVOKECOMMAND, DFM_CMD_PROPERTIES, NULL);
// We are asked to run the default property sheet
if (hr == S_FALSE)
{
return Shell_DefaultContextMenuCallBack(m_psf, m_pDataObj);
}
return hr;
}
HRESULT
CDefaultContextMenu::DoUndo(LPCMINVOKECOMMANDINFO lpcmi)
{
ERR("TODO: Undo\n");
return E_NOTIMPL;
}
HRESULT
CDefaultContextMenu::DoCopyToMoveToFolder(LPCMINVOKECOMMANDINFO lpici, BOOL bCopy)
{
HRESULT hr = E_FAIL;
if (!m_pDataObj)
{
ERR("m_pDataObj is NULL\n");
return hr;
}
CComPtr<IContextMenu> pContextMenu;
if (bCopy)
hr = SHCoCreateInstance(NULL, &CLSID_CopyToMenu, NULL,
IID_PPV_ARG(IContextMenu, &pContextMenu));
else
hr = SHCoCreateInstance(NULL, &CLSID_MoveToMenu, NULL,
IID_PPV_ARG(IContextMenu, &pContextMenu));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
CComPtr<IShellExtInit> pInit;
hr = pContextMenu->QueryInterface(IID_PPV_ARG(IShellExtInit, &pInit));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = pInit->Initialize(m_pidlFolder, m_pDataObj, NULL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (bCopy)
lpici->lpVerb = "copyto";
else
lpici->lpVerb = "moveto";
return pContextMenu->InvokeCommand(lpici);
}
// This code is taken from CNewMenu and should be shared between the 2 classes
HRESULT
CDefaultContextMenu::DoCreateNewFolder(
LPCMINVOKECOMMANDINFO lpici)
{
WCHAR wszPath[MAX_PATH];
WCHAR wszName[MAX_PATH];
WCHAR wszNewFolder[25];
HRESULT hr;
/* Get folder path */
hr = SHGetPathFromIDListW(m_pidlFolder, wszPath);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (!LoadStringW(shell32_hInstance, IDS_NEWFOLDER, wszNewFolder, _countof(wszNewFolder)))
return E_FAIL;
/* Create the name of the new directory */
if (!PathYetAnotherMakeUniqueName(wszName, wszPath, NULL, wszNewFolder))
return E_FAIL;
/* Create the new directory and show the appropriate dialog in case of error */
if (SHCreateDirectory(lpici->hwnd, wszName) != ERROR_SUCCESS)
return E_FAIL;
/* Show and select the new item in the def view */
LPITEMIDLIST pidl;
PITEMID_CHILD pidlNewItem;
CComPtr<IShellView> psv;
/* Notify the view object about the new item */
SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, (LPCVOID)wszName, NULL);
if (!m_site)
return S_OK;
/* Get a pointer to the shell view */
hr = IUnknown_QueryService(m_site, SID_IFolderView, IID_PPV_ARG(IShellView, &psv));
if (FAILED_UNEXPECTEDLY(hr))
return S_OK;
/* Attempt to get the pidl of the new item */
hr = SHILCreateFromPathW(wszName, &pidl, NULL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
pidlNewItem = ILFindLastID(pidl);
hr = psv->SelectItem(pidlNewItem, SVSI_DESELECTOTHERS | SVSI_EDIT | SVSI_ENSUREVISIBLE |
SVSI_FOCUSED | SVSI_SELECT);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
SHFree(pidl);
return S_OK;
}
PDynamicShellEntry CDefaultContextMenu::GetDynamicEntry(UINT idCmd)
{
POSITION it = m_DynamicEntries.GetHeadPosition();
while (it != NULL)
{
DynamicShellEntry& info = m_DynamicEntries.GetNext(it);
if (idCmd >= info.iIdCmdFirst + info.NumIds)
continue;
if (idCmd < info.iIdCmdFirst || idCmd > info.iIdCmdFirst + info.NumIds)
return NULL;
return &info;
}
return NULL;
}
// FIXME: 260 is correct, but should this be part of the SDK or just MAX_PATH?
#define MAX_VERB 260
BOOL
CDefaultContextMenu::MapVerbToCmdId(PVOID Verb, PUINT idCmd, BOOL IsUnicode)
{
WCHAR UnicodeStr[MAX_VERB];
/* Loop through all the static verbs looking for a match */
for (UINT i = 0; i < _countof(g_StaticInvokeCmdMap); i++)
{
/* We can match both ANSI and unicode strings */
if (IsUnicode)
{
/* The static verbs are ANSI, get a unicode version before doing the compare */
SHAnsiToUnicode(g_StaticInvokeCmdMap[i].szStringVerb, UnicodeStr, MAX_VERB);
if (!wcscmp(UnicodeStr, (LPWSTR)Verb))
{
/* Return the Corresponding Id */
*idCmd = g_StaticInvokeCmdMap[i].IntVerb;
return TRUE;
}
}
else
{
if (!strcmp(g_StaticInvokeCmdMap[i].szStringVerb, (LPSTR)Verb))
{
*idCmd = g_StaticInvokeCmdMap[i].IntVerb;
return TRUE;
}
}
}
return FALSE;
}
HRESULT
CDefaultContextMenu::InvokeShellExt(
LPCMINVOKECOMMANDINFO lpcmi)
{
TRACE("verb %p first %x last %x\n", lpcmi->lpVerb, m_iIdSHEFirst, m_iIdSHELast);
UINT idCmd = LOWORD(lpcmi->lpVerb);
PDynamicShellEntry pEntry = GetDynamicEntry(idCmd);
if (!pEntry)
return E_FAIL;
/* invoke the dynamic context menu */
lpcmi->lpVerb = MAKEINTRESOURCEA(idCmd - pEntry->iIdCmdFirst);
return pEntry->pCM->InvokeCommand(lpcmi);
}
DWORD
CDefaultContextMenu::BrowserFlagsFromVerb(LPCMINVOKECOMMANDINFO lpcmi, PStaticShellEntry pEntry)
{
CComPtr<IShellBrowser> psb;
HWND hwndTree;
LPCWSTR FlagsName;
WCHAR wszKey[256];
HRESULT hr;
DWORD wFlags;
DWORD cbVerb;
if (!m_site)
return 0;
/* Get a pointer to the shell browser */
hr = IUnknown_QueryService(m_site, SID_IShellBrowser, IID_PPV_ARG(IShellBrowser, &psb));
if (FAILED_UNEXPECTEDLY(hr))
return 0;
/* See if we are in Explore or Browse mode. If the browser's tree is present, we are in Explore mode.*/
if (SUCCEEDED(psb->GetControlWindow(FCW_TREE, &hwndTree)) && hwndTree)
FlagsName = L"ExplorerFlags";
else
FlagsName = L"BrowserFlags";
/* Try to get the flag from the verb */
hr = StringCbPrintfW(wszKey, sizeof(wszKey), L"shell\\%s", pEntry->Verb.GetString());
if (FAILED_UNEXPECTEDLY(hr))
return 0;
cbVerb = sizeof(wFlags);
if (RegGetValueW(pEntry->hkClass, wszKey, FlagsName, RRF_RT_REG_DWORD, NULL, &wFlags, &cbVerb) == ERROR_SUCCESS)
{
return wFlags;
}
return 0;
}
HRESULT
CDefaultContextMenu::TryToBrowse(
LPCMINVOKECOMMANDINFO lpcmi, LPCITEMIDLIST pidl, DWORD wFlags)
{
CComPtr<IShellBrowser> psb;
HRESULT hr;
if (!m_site)
return E_FAIL;
/* Get a pointer to the shell browser */
hr = IUnknown_QueryService(m_site, SID_IShellBrowser, IID_PPV_ARG(IShellBrowser, &psb));
if (FAILED_UNEXPECTEDLY(hr))
return 0;
return psb->BrowseObject(ILCombine(m_pidlFolder, pidl), wFlags);
}
HRESULT
CDefaultContextMenu::InvokePidl(LPCMINVOKECOMMANDINFO lpcmi, LPCITEMIDLIST pidl, PStaticShellEntry pEntry)
{
LPITEMIDLIST pidlFull = ILCombine(m_pidlFolder, pidl);
if (pidlFull == NULL)
{
return E_FAIL;
}
WCHAR wszPath[MAX_PATH];
BOOL bHasPath = SHGetPathFromIDListW(pidlFull, wszPath);
WCHAR wszDir[MAX_PATH];
if (bHasPath)
{
wcscpy(wszDir, wszPath);
PathRemoveFileSpec(wszDir);
}
else
{
SHGetPathFromIDListW(m_pidlFolder, wszDir);
}
SHELLEXECUTEINFOW sei;
ZeroMemory(&sei, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.hwnd = lpcmi->hwnd;
sei.nShow = SW_SHOWNORMAL;
sei.lpVerb = pEntry->Verb;
sei.lpDirectory = wszDir;
sei.lpIDList = pidlFull;
sei.hkeyClass = pEntry->hkClass;
sei.fMask = SEE_MASK_CLASSKEY | SEE_MASK_IDLIST;
if (bHasPath)
{
sei.lpFile = wszPath;
}
ShellExecuteExW(&sei);
ILFree(pidlFull);
return S_OK;
}
HRESULT
CDefaultContextMenu::InvokeRegVerb(
LPCMINVOKECOMMANDINFO lpcmi)
{
INT iCmd = LOWORD(lpcmi->lpVerb);
HRESULT hr;
UINT i;
POSITION it = m_StaticEntries.FindIndex(iCmd);
if (it == NULL)
return E_INVALIDARG;
PStaticShellEntry pEntry = &m_StaticEntries.GetAt(it);
/* Get the browse flags to see if we need to browse */
DWORD wFlags = BrowserFlagsFromVerb(lpcmi, pEntry);
BOOL bBrowsed = FALSE;
for (i=0; i < m_cidl; i++)
{
/* Check if we need to browse */
if (wFlags > 0)
{
/* In xp if we have browsed, we don't open any more folders.
* In win7 we browse to the first folder we find and
* open new windows for each of the rest of the folders */
if (bBrowsed)
continue;
hr = TryToBrowse(lpcmi, m_apidl[i], wFlags);
if (SUCCEEDED(hr))
{
bBrowsed = TRUE;
continue;
}
}
InvokePidl(lpcmi, m_apidl[i], pEntry);
}
return S_OK;
}
HRESULT
WINAPI
CDefaultContextMenu::InvokeCommand(
LPCMINVOKECOMMANDINFO lpcmi)
{
CMINVOKECOMMANDINFO LocalInvokeInfo;
HRESULT Result;
UINT CmdId;
/* Take a local copy of the fixed members of the
struct as we might need to modify the verb */
LocalInvokeInfo = *lpcmi;
/* Check if this is a string verb */
if (HIWORD(LocalInvokeInfo.lpVerb))
{
/* Get the ID which corresponds to this verb, and update our local copy */
if (MapVerbToCmdId((LPVOID)LocalInvokeInfo.lpVerb, &CmdId, FALSE))
LocalInvokeInfo.lpVerb = MAKEINTRESOURCEA(CmdId);
}
CmdId = LOWORD(LocalInvokeInfo.lpVerb);
if (!m_DynamicEntries.IsEmpty() && CmdId >= m_iIdSHEFirst && CmdId < m_iIdSHELast)
{
LocalInvokeInfo.lpVerb -= m_iIdSHEFirst;
Result = InvokeShellExt(&LocalInvokeInfo);
return Result;
}
if (!m_StaticEntries.IsEmpty() && CmdId >= m_iIdSCMFirst && CmdId < m_iIdSCMLast)
{
LocalInvokeInfo.lpVerb -= m_iIdSCMFirst;
Result = InvokeRegVerb(&LocalInvokeInfo);
return Result;
}
if (m_iIdCBFirst != m_iIdCBLast && CmdId >= m_iIdCBFirst && CmdId < m_iIdCBLast)
{
Result = _DoCallback(DFM_INVOKECOMMAND, CmdId - m_iIdCBFirst, NULL);
return Result;
}
if (m_iIdDfltFirst != m_iIdDfltLast && CmdId >= m_iIdDfltFirst && CmdId < m_iIdDfltLast)
{
CmdId -= m_iIdDfltFirst;
/* See the definitions of IDM_CUT and co to see how this works */
CmdId += 0x7000;
}
/* Check if this is a Id */
switch (CmdId)
{
case FCIDM_SHVIEW_INSERT:
Result = DoPaste(&LocalInvokeInfo, FALSE);
break;
case FCIDM_SHVIEW_INSERTLINK:
Result = DoPaste(&LocalInvokeInfo, TRUE);
break;
case FCIDM_SHVIEW_OPEN:
case FCIDM_SHVIEW_EXPLORE:
Result = DoOpenOrExplore(&LocalInvokeInfo);
break;
case FCIDM_SHVIEW_COPY:
case FCIDM_SHVIEW_CUT:
Result = DoCopyOrCut(&LocalInvokeInfo, CmdId == FCIDM_SHVIEW_COPY);
break;
case FCIDM_SHVIEW_CREATELINK:
Result = DoCreateLink(&LocalInvokeInfo);
break;
case FCIDM_SHVIEW_DELETE:
Result = DoDelete(&LocalInvokeInfo);
break;
case FCIDM_SHVIEW_RENAME:
Result = DoRename(&LocalInvokeInfo);
break;
case FCIDM_SHVIEW_PROPERTIES:
Result = DoProperties(&LocalInvokeInfo);
break;
case FCIDM_SHVIEW_NEWFOLDER:
Result = DoCreateNewFolder(&LocalInvokeInfo);
break;
case FCIDM_SHVIEW_COPYTO:
Result = DoCopyToMoveToFolder(&LocalInvokeInfo, TRUE);
break;
case FCIDM_SHVIEW_MOVETO:
Result = DoCopyToMoveToFolder(&LocalInvokeInfo, FALSE);
break;
case FCIDM_SHVIEW_UNDO:
Result = DoUndo(&LocalInvokeInfo);
break;
default:
Result = E_INVALIDARG;
ERR("Unhandled Verb %xl\n", LOWORD(LocalInvokeInfo.lpVerb));
break;
}
return Result;
}
HRESULT
WINAPI
CDefaultContextMenu::GetCommandString(
UINT_PTR idCommand,
UINT uFlags,
UINT* lpReserved,
LPSTR lpszName,
UINT uMaxNameLen)
{
/* We don't handle the help text yet */
if (uFlags == GCS_HELPTEXTA ||
uFlags == GCS_HELPTEXTW ||
HIWORD(idCommand) != 0)
{
return E_NOTIMPL;
}
UINT CmdId = LOWORD(idCommand);
if (!m_DynamicEntries.IsEmpty() && CmdId >= m_iIdSHEFirst && CmdId < m_iIdSHELast)
{
idCommand -= m_iIdSHEFirst;
PDynamicShellEntry pEntry = GetDynamicEntry(idCommand);
if (!pEntry)
return E_FAIL;
idCommand -= pEntry->iIdCmdFirst;
return pEntry->pCM->GetCommandString(idCommand,
uFlags,
lpReserved,
lpszName,
uMaxNameLen);
}
if (!m_StaticEntries.IsEmpty() && CmdId >= m_iIdSCMFirst && CmdId < m_iIdSCMLast)
{
/* Validation just returns S_OK on a match. The id exists. */
if (uFlags == GCS_VALIDATEA || uFlags == GCS_VALIDATEW)
return S_OK;
CmdId -= m_iIdSCMFirst;
POSITION it = m_StaticEntries.FindIndex(CmdId);
if (it == NULL)
return E_INVALIDARG;
PStaticShellEntry pEntry = &m_StaticEntries.GetAt(it);
if (uFlags == GCS_VERBW)
return StringCchCopyW((LPWSTR)lpszName, uMaxNameLen, pEntry->Verb);
if (uFlags == GCS_VERBA)
{
if (SHUnicodeToAnsi(pEntry->Verb, lpszName, uMaxNameLen))
return S_OK;
}
return E_INVALIDARG;
}
//FIXME: Should we handle callbacks here?
if (m_iIdDfltFirst != m_iIdDfltLast && CmdId >= m_iIdDfltFirst && CmdId < m_iIdDfltLast)
{
CmdId -= m_iIdDfltFirst;
/* See the definitions of IDM_CUT and co to see how this works */
CmdId += 0x7000;
}
/* Loop looking for a matching Id */
for (UINT i = 0; i < _countof(g_StaticInvokeCmdMap); i++)
{
if (g_StaticInvokeCmdMap[i].IntVerb == CmdId)
{
/* Validation just returns S_OK on a match */
if (uFlags == GCS_VALIDATEA || uFlags == GCS_VALIDATEW)
return S_OK;
/* Return a copy of the ANSI verb */
if (uFlags == GCS_VERBA)
return StringCchCopyA(lpszName, uMaxNameLen, g_StaticInvokeCmdMap[i].szStringVerb);
/* Convert the ANSI verb to unicode and return that */
if (uFlags == GCS_VERBW)
{
if (SHAnsiToUnicode(g_StaticInvokeCmdMap[i].szStringVerb, (LPWSTR)lpszName, uMaxNameLen))
return S_OK;
}
}
}
return E_INVALIDARG;
}
HRESULT
WINAPI
CDefaultContextMenu::HandleMenuMsg(
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
/* FIXME: Should we implement this as well? */
return S_OK;
}
HRESULT SHGetMenuIdFromMenuMsg(UINT uMsg, LPARAM lParam, UINT *CmdId)
{
if (uMsg == WM_DRAWITEM)
{
DRAWITEMSTRUCT* pDrawStruct = reinterpret_cast<DRAWITEMSTRUCT*>(lParam);
*CmdId = pDrawStruct->itemID;
return S_OK;
}
else if (uMsg == WM_MEASUREITEM)
{
MEASUREITEMSTRUCT* pMeasureStruct = reinterpret_cast<MEASUREITEMSTRUCT*>(lParam);
*CmdId = pMeasureStruct->itemID;
return S_OK;
}
return E_FAIL;
}
HRESULT SHSetMenuIdInMenuMsg(UINT uMsg, LPARAM lParam, UINT CmdId)
{
if (uMsg == WM_DRAWITEM)
{
DRAWITEMSTRUCT* pDrawStruct = reinterpret_cast<DRAWITEMSTRUCT*>(lParam);
pDrawStruct->itemID = CmdId;
return S_OK;
}
else if (uMsg == WM_MEASUREITEM)
{
MEASUREITEMSTRUCT* pMeasureStruct = reinterpret_cast<MEASUREITEMSTRUCT*>(lParam);
pMeasureStruct->itemID = CmdId;
return S_OK;
}
return E_FAIL;
}
HRESULT
WINAPI
CDefaultContextMenu::HandleMenuMsg2(
UINT uMsg,
WPARAM wParam,
LPARAM lParam,
LRESULT *plResult)
{
if (uMsg == WM_INITMENUPOPUP)
{
POSITION it = m_DynamicEntries.GetHeadPosition();
while (it != NULL)
{
DynamicShellEntry& info = m_DynamicEntries.GetNext(it);
SHForwardContextMenuMsg(info.pCM, uMsg, wParam, lParam, plResult, TRUE);
}
return S_OK;
}
UINT CmdId;
HRESULT hr = SHGetMenuIdFromMenuMsg(uMsg, lParam, &CmdId);
if (FAILED(hr))
return S_FALSE;
if (CmdId < m_iIdSHEFirst || CmdId >= m_iIdSHELast)
return S_FALSE;
CmdId -= m_iIdSHEFirst;
PDynamicShellEntry pEntry = GetDynamicEntry(CmdId);
if (pEntry)
{
SHSetMenuIdInMenuMsg(uMsg, lParam, CmdId - pEntry->iIdCmdFirst);
SHForwardContextMenuMsg(pEntry->pCM, uMsg, wParam, lParam, plResult, TRUE);
}
return S_OK;
}
HRESULT
WINAPI
CDefaultContextMenu::SetSite(IUnknown *pUnkSite)
{
m_site = pUnkSite;
return S_OK;
}
HRESULT
WINAPI
CDefaultContextMenu::GetSite(REFIID riid, void **ppvSite)
{
if (!m_site)
return E_FAIL;
return m_site->QueryInterface(riid, ppvSite);
}
static
HRESULT
CDefaultContextMenu_CreateInstance(const DEFCONTEXTMENU *pdcm, LPFNDFMCALLBACK lpfn, REFIID riid, void **ppv)
{
return ShellObjectCreatorInit<CDefaultContextMenu>(pdcm, lpfn, riid, ppv);
}
/*************************************************************************
* SHCreateDefaultContextMenu [SHELL32.325] Vista API
*
*/
HRESULT
WINAPI
SHCreateDefaultContextMenu(const DEFCONTEXTMENU *pdcm, REFIID riid, void **ppv)
{
HRESULT hr;
if (!ppv)
return E_INVALIDARG;
hr = CDefaultContextMenu_CreateInstance(pdcm, NULL, riid, ppv);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
/*************************************************************************
* CDefFolderMenu_Create2 [SHELL32.701]
*
*/
HRESULT
WINAPI
CDefFolderMenu_Create2(
PCIDLIST_ABSOLUTE pidlFolder,
HWND hwnd,
UINT cidl,
PCUITEMID_CHILD_ARRAY apidl,
IShellFolder *psf,
LPFNDFMCALLBACK lpfn,
UINT nKeys,
const HKEY *ahkeyClsKeys,
IContextMenu **ppcm)
{
DEFCONTEXTMENU dcm;
dcm.hwnd = hwnd;
dcm.pcmcb = NULL;
dcm.pidlFolder = pidlFolder;
dcm.psf = psf;
dcm.cidl = cidl;
dcm.apidl = apidl;
dcm.punkAssociationInfo = NULL;
dcm.cKeys = nKeys;
dcm.aKeys = ahkeyClsKeys;
HRESULT hr = CDefaultContextMenu_CreateInstance(&dcm, lpfn, IID_PPV_ARG(IContextMenu, ppcm));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
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