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windows-server-2003/shell/shell32/defcm.cpp

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#include "shellprv.h"
#include "ids.h"
#include "pidl.h"
#include "fstreex.h"
#include "views.h"
#include "shlwapip.h"
#include "ole2dup.h"
#include "filetbl.h"
#include "datautil.h"
#include "undo.h"
#include "defview.h"
#include "cowsite.h"
#include "defcm.h"
#include "rpctimeout.h"
#define DEF_FOLDERMENU_MAXHKEYS 16
// used with static defcm elements (pointer from mii.dwItemData)
// and find extensions
typedef struct
{
WCHAR wszMenuText[MAX_PATH];
WCHAR wszHelpText[MAX_PATH];
int iIcon;
} SEARCHEXTDATA;
typedef struct
{
SEARCHEXTDATA* psed;
UINT idCmd;
} SEARCHINFO;
// Defined in fsmenu.obj
BOOL _MenuCharMatch(LPCTSTR psz, TCHAR ch, BOOL fIgnoreAmpersand);
const ICIVERBTOIDMAP c_sDFMCmdInfo[] = {
{ L"delete", "delete", DFM_CMD_DELETE, DCMIDM_DELETE },
{ c_szCut, "cut", DFM_CMD_MOVE, DCMIDM_CUT },
{ c_szCopy, "copy", DFM_CMD_COPY, DCMIDM_COPY },
{ c_szPaste, "paste", DFM_CMD_PASTE, DCMIDM_PASTE },
{ c_szPaste, "paste", DFM_CMD_PASTE, 0 },
{ c_szLink, "link", DFM_CMD_LINK, DCMIDM_LINK },
{ c_szProperties, "properties", DFM_CMD_PROPERTIES, DCMIDM_PROPERTIES },
{ c_szPasteLink, "pastelink", DFM_CMD_PASTELINK, 0 },
{ c_szRename, "rename", DFM_CMD_RENAME, DCMIDM_RENAME },
};
CDefBackgroundMenuCB::CDefBackgroundMenuCB(LPCITEMIDLIST pidlFolder) : _cRef(1)
{
_pidlFolder = ILClone(pidlFolder); // failure handled in the code
}
CDefBackgroundMenuCB::~CDefBackgroundMenuCB()
{
ILFree(_pidlFolder);
}
STDMETHODIMP CDefBackgroundMenuCB::QueryInterface(REFIID riid, void **ppvObj)
{
static const QITAB qit[] = {
QITABENT(CDefBackgroundMenuCB, IContextMenuCB),
{ 0 },
};
return QISearch(this, qit, riid, ppvObj);
}
STDMETHODIMP_(ULONG) CDefBackgroundMenuCB::AddRef()
{
return InterlockedIncrement(&_cRef);
}
STDMETHODIMP_(ULONG) CDefBackgroundMenuCB::Release()
{
ASSERT( 0 != _cRef );
ULONG cRef = InterlockedDecrement(&_cRef);
if ( 0 == cRef )
{
delete this;
}
return cRef;
}
STDMETHODIMP CDefBackgroundMenuCB::CallBack(IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HRESULT hr = S_OK;
switch (uMsg)
{
case DFM_MERGECONTEXTMENU_BOTTOM:
if (!(wParam & (CMF_VERBSONLY | CMF_DVFILE)))
{
DWORD dwAttr = SFGAO_HASPROPSHEET;
if ((NULL == _pidlFolder) ||
FAILED(SHGetAttributesOf(_pidlFolder, &dwAttr)) ||
(SFGAO_HASPROPSHEET & dwAttr))
{
CDefFolderMenu_MergeMenu(HINST_THISDLL, POPUP_PROPERTIES_BG, 0, (LPQCMINFO)lParam);
}
}
break;
case DFM_GETHELPTEXT:
LoadStringA(HINST_THISDLL, LOWORD(wParam) + IDS_MH_FSIDM_FIRST, (LPSTR)lParam, HIWORD(wParam));;
break;
case DFM_GETHELPTEXTW:
LoadStringW(HINST_THISDLL, LOWORD(wParam) + IDS_MH_FSIDM_FIRST, (LPWSTR)lParam, HIWORD(wParam));;
break;
case DFM_VALIDATECMD:
switch (wParam)
{
case DFM_CMD_NEWFOLDER:
break;
default:
hr = S_FALSE;
break;
}
break;
case DFM_INVOKECOMMAND:
switch (wParam)
{
case FSIDM_PROPERTIESBG:
hr = SHPropertiesForUnk(hwndOwner, psf, (LPCTSTR)lParam);
break;
default:
hr = S_FALSE; // view menu items, use the default
break;
}
break;
default:
hr = E_NOTIMPL;
break;
}
return hr;
}
class CDefFolderMenu : public CObjectWithSite,
public IContextMenu3,
public IServiceProvider,
public ISearchProvider,
public IShellExtInit
{
friend HRESULT CDefFolderMenu_CreateHKeyMenu(HWND hwnd, HKEY hkey, IContextMenu **ppcm);
friend HRESULT CDefFolderMenu_Create2Ex(LPCITEMIDLIST pidlFolder, HWND hwnd,
UINT cidl, LPCITEMIDLIST *apidl,
IShellFolder *psf, IContextMenuCB *pcmcb,
UINT nKeys, const HKEY *ahkeys,
IContextMenu **ppcm);
public:
CDefFolderMenu(BOOL fUnderKey);
HRESULT Init(DEFCONTEXTMENU *pdcm);
// IUnknown
STDMETHOD(QueryInterface)(REFIID riid, void **ppv);
STDMETHOD_(ULONG,AddRef)();
STDMETHOD_(ULONG,Release)();
// IContextMenu
STDMETHOD(QueryContextMenu)(HMENU hmenu, UINT indexMenu, UINT idCmdFirst,
UINT idCmdLast, UINT uFlags);
STDMETHOD(InvokeCommand)(LPCMINVOKECOMMANDINFO lpici);
STDMETHOD(GetCommandString)(UINT_PTR idCmd, UINT uType,
UINT *pwRes, LPSTR pszName, UINT cchMax);
// IContextMenu2
STDMETHOD(HandleMenuMsg)(UINT uMsg, WPARAM wParam, LPARAM lParam);
// IContextMenu3
STDMETHOD(HandleMenuMsg2)(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT* plResult);
// IServiceProvider
STDMETHOD(QueryService)(REFGUID guidService, REFIID riid, void **ppvObj);
// ISearchProvider
STDMETHOD(GetSearchGUID)(GUID *pGuid);
// IShellExtInit
STDMETHODIMP Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID);
private:
~CDefFolderMenu();
DWORD _AttributesOfItems(DWORD dwAttrMask);
UINT _AddStatic(HMENU hmenu, UINT idCmd, UINT idCmdLast, HKEY hkey);
void _InvokeStatic(UINT iCmd);
HRESULT _InitDropTarget();
HRESULT _GetMenuVerb(HMENU hmenu, int idFirst, int idMax, int item, LPWSTR psz, DWORD cch);
void _UnduplicateVerbs(HMENU hmenu, int idFirst, int idMax);
void _SetMenuDefault(HMENU hmenu, UINT idCmdFirst, UINT idMax);
HRESULT _ProcessEditPaste(BOOL fPasteLink);
HRESULT _ProcessRename();
void _DrawItem(DRAWITEMSTRUCT *pdi);
LRESULT _MeasureItem(MEASUREITEMSTRUCT *pmi);
private:
LONG _cRef; // Reference count
IDropTarget *_pdtgt; // Drop target of selected item
IContextMenuCB *_pcmcb; // Callback object
IDataObject *_pdtobj; // Data object
IShellFolder *_psf; // Shell folder
HWND _hwnd; // Owner window
UINT _idCmdFirst; // base id
UINT _idStdMax; // standard commands (cut/copy/delete/properties) ID MAX
UINT _idFolderMax; // Folder command ID MAX
UINT _idVerbMax; // Add-in command (verbs) ID MAX
UINT _idDelayInvokeMax;// extensiosn loaded at invoke time
UINT _idFld2Max; // 2nd range of Folder command ID MAX
HDSA _hdsaStatics; // For static menu items.
HDXA _hdxa; // Dynamic menu array
HDSA _hdsaCustomInfo; // array of SEARCHINFO's
LPITEMIDLIST _pidlFolder;
LPITEMIDLIST *_apidl;
UINT _cidl;
IAssociationArray *_paa;
CSafeServiceSite *_psss;
BOOL _bUnderKeys; // Data is directly under key, not
// shellex\ContextMenuHandlers
UINT _nKeys; // Number of class keys
HKEY _hkeyClsKeys[DEF_FOLDERMENU_MAXHKEYS]; // Class keys
HMENU _hmenu;
UINT _uFlags;
BOOL _bInitMenuPopup; // true if we received WM_INITMENUPOPUP and _uFlags & CMF_FINDHACK
int _iStaticInvoked; // index of the invoked static item
IDMAPFORQCMINFO _idMap; // our named separator mapping table
};
#define GetFldFirst(this) (_idStdMax + _idCmdFirst)
HRESULT HDXA_FindByCommand(HDXA hdxa, UINT idCmd, REFIID riid, void **ppv);
STDMETHODIMP CDefFolderMenu::QueryInterface(REFIID riid, void **ppvObj)
{
static const QITAB qit[] = {
QITABENTMULTI(CDefFolderMenu, IContextMenu, IContextMenu3),
QITABENTMULTI(CDefFolderMenu, IContextMenu2, IContextMenu3),
QITABENT(CDefFolderMenu, IContextMenu3),
QITABENT(CDefFolderMenu, IObjectWithSite),
QITABENT(CDefFolderMenu, IServiceProvider),
QITABENT(CDefFolderMenu, ISearchProvider),
QITABENT(CDefFolderMenu, IShellExtInit),
{ 0 },
};
return QISearch(this, qit, riid, ppvObj);
}
STDMETHODIMP_(ULONG) CDefFolderMenu::AddRef()
{
return InterlockedIncrement(&_cRef);
}
CDefFolderMenu::CDefFolderMenu(BOOL fUnderKey)
{
_cRef = 1;
_iStaticInvoked = -1;
_bUnderKeys = fUnderKey;
_psss = new CSafeServiceSite;
if (_psss)
_psss->SetProviderWeakRef(SAFECAST(this, IServiceProvider *));
IDLData_InitializeClipboardFormats();
ASSERT(_pidlFolder == NULL);
ASSERT(_punkSite == NULL);
}
HRESULT CDefFolderMenu::Init(DEFCONTEXTMENU *pdcm)
{
_hwnd = pdcm->hwnd;
_psf = pdcm->psf;
if (_psf)
_psf->AddRef();
_pcmcb = pdcm->pcmcb;
if (_pcmcb)
{
IUnknown_SetSite(_pcmcb, _psss);
_pcmcb->AddRef();
_pcmcb->CallBack(_psf, _hwnd, NULL, DFM_ADDREF, 0, 0);
}
_paa = pdcm->paa;
if (_paa)
_paa->AddRef();
HRESULT hr = CloneIDListArray(pdcm->cidl, pdcm->apidl, &_cidl, &_apidl);
if (SUCCEEDED(hr) && pdcm->pidlFolder)
{
hr = SHILClone(pdcm->pidlFolder, &_pidlFolder);
}
if (SUCCEEDED(hr) && _cidl && _psf)
{
hr = _psf->GetUIObjectOf(_hwnd, _cidl, (LPCITEMIDLIST *)_apidl, IID_PPV_ARG_NULL(IDataObject, &_pdtobj));
}
if (SUCCEEDED(hr))
{
_hdxa = HDXA_Create();
if (NULL == _hdxa)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
if (pdcm->aKeys)
{
ASSERT(pdcm->cKeys <= ARRAYSIZE(_hkeyClsKeys));
for (UINT i = 0; i < pdcm->cKeys; ++i)
{
if (pdcm->aKeys[i])
{
// Make a copy of the key for menu's use
_hkeyClsKeys[_nKeys] = SHRegDuplicateHKey(pdcm->aKeys[i]);
if (_hkeyClsKeys[_nKeys])
{
_nKeys++;
}
else
hr = E_OUTOFMEMORY;
}
}
}
else if (_paa)
{
// we can get it from the _paa
_nKeys = SHGetAssocKeysEx(_paa, ASSOCELEM_MASK_ENUMCONTEXTMENU, _hkeyClsKeys, ARRAYSIZE(_hkeyClsKeys));
}
}
return hr;
}
void ContextMenuInfo_SetSite(ContextMenuInfo *pcmi, IUnknown *pSite)
{
// APPCOMPAT: PGP50 can only be QIed for IContextMenu, IShellExtInit, and IUnknown.
if (!(pcmi->dwCompat & OBJCOMPATF_CTXMENU_LIMITEDQI))
IUnknown_SetSite((IUnknown*)pcmi->pcm, pSite);
}
CDefFolderMenu::~CDefFolderMenu()
{
if (_psss)
{
_psss->SetProviderWeakRef(NULL);
_psss->Release();
}
if (_pcmcb)
{
IUnknown_SetSite(_pcmcb, NULL);
_pcmcb->CallBack(_psf, _hwnd, NULL, DFM_RELEASE, _idStdMax, 0);
_pcmcb->Release();
}
if (_hdxa)
{
for (int i = 0; i < DSA_GetItemCount(_hdxa); i++)
{
ContextMenuInfo_SetSite((ContextMenuInfo *)DSA_GetItemPtr(_hdxa, i), NULL);
}
HDXA_Destroy(_hdxa);
}
ATOMICRELEASE(_psf);
ATOMICRELEASE(_pdtgt);
ATOMICRELEASE(_pdtobj);
ATOMICRELEASE(_paa);
for (UINT i = 0; i < _nKeys; i++)
{
RegCloseKey(_hkeyClsKeys[i]);
}
FreeIDListArray(_apidl, _cidl);
_cidl = 0;
_apidl = NULL;
// if _bInitMenuPopup = true then we changed the dwItemData of the non static items
// so we have to free them. otherwise don't touch them
if (_hdsaCustomInfo)
{
// remove the custom data structures hanging off mii.dwItemData of static menu items
// or all items if _uFlags & CMF_FINDHACK
int cItems = DSA_GetItemCount(_hdsaCustomInfo);
for (int i = 0; i < cItems; i++)
{
SEARCHINFO* psinfo = (SEARCHINFO*)DSA_GetItemPtr(_hdsaCustomInfo, i);
ASSERT(psinfo);
SEARCHEXTDATA* psed = psinfo->psed;
if (psed)
LocalFree(psed);
}
DSA_Destroy(_hdsaCustomInfo);
}
if (_hdsaStatics)
DSA_Destroy(_hdsaStatics);
ILFree(_pidlFolder);
}
STDMETHODIMP_(ULONG) CDefFolderMenu::Release()
{
ASSERT( 0 != _cRef );
ULONG cRef = InterlockedDecrement(&_cRef);
if ( 0 == cRef )
{
delete this;
}
return cRef;
}
int _SHMergePopupMenus(HMENU hmMain, HMENU hmMerge, int idCmdFirst, int idCmdLast)
{
int i, idMax = idCmdFirst;
for (i = GetMenuItemCount(hmMerge) - 1; i >= 0; --i)
{
MENUITEMINFO mii;
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_ID|MIIM_SUBMENU;
mii.cch = 0; // just in case
if (GetMenuItemInfo(hmMerge, i, TRUE, &mii))
{
int idTemp = Shell_MergeMenus(_GetMenuFromID(hmMain, mii.wID),
mii.hSubMenu, (UINT)0, idCmdFirst, idCmdLast,
MM_ADDSEPARATOR | MM_SUBMENUSHAVEIDS);
if (idMax < idTemp)
idMax = idTemp;
}
}
return idMax;
}
void CDefFolderMenu_MergeMenu(HINSTANCE hinst, UINT idMainMerge, UINT idPopupMerge, QCMINFO *pqcm)
{
UINT idMax = pqcm->idCmdFirst;
if (idMainMerge)
{
HMENU hmMerge = SHLoadPopupMenu(hinst, idMainMerge);
if (hmMerge)
{
idMax = Shell_MergeMenus(
pqcm->hmenu, hmMerge, pqcm->indexMenu,
pqcm->idCmdFirst, pqcm->idCmdLast,
MM_ADDSEPARATOR | MM_SUBMENUSHAVEIDS | MM_DONTREMOVESEPS);
DestroyMenu(hmMerge);
}
}
if (idPopupMerge)
{
HMENU hmMerge = LoadMenu(hinst, MAKEINTRESOURCE(idPopupMerge));
if (hmMerge)
{
UINT idTemp = _SHMergePopupMenus(pqcm->hmenu, hmMerge,
pqcm->idCmdFirst, pqcm->idCmdLast);
if (idMax < idTemp)
idMax = idTemp;
DestroyMenu(hmMerge);
}
}
pqcm->idCmdFirst = idMax;
}
DWORD CDefFolderMenu::_AttributesOfItems(DWORD dwAttrMask)
{
if (!_psf || !_cidl || FAILED(_psf->GetAttributesOf(_cidl, (LPCITEMIDLIST *)_apidl, &dwAttrMask)))
dwAttrMask = 0;
return dwAttrMask;
}
void _DisableRemoveMenuItem(HMENU hmInit, UINT uID, BOOL bAvail, BOOL bRemoveUnavail)
{
if (bAvail)
{
EnableMenuItem(hmInit, uID, MF_ENABLED|MF_BYCOMMAND);
}
else if (bRemoveUnavail)
{
DeleteMenu(hmInit, uID, MF_BYCOMMAND);
}
else
{
EnableMenuItem(hmInit, uID, MF_GRAYED|MF_BYCOMMAND);
}
}
// Enable/disable menuitems in the "File" & popup context menu
void Def_InitFileCommands(ULONG dwAttr, HMENU hmInit, UINT idCmdFirst, BOOL bContext)
{
idCmdFirst -= SFVIDM_FIRST;
_DisableRemoveMenuItem(hmInit, SFVIDM_FILE_RENAME + idCmdFirst, dwAttr & SFGAO_CANRENAME, bContext);
_DisableRemoveMenuItem(hmInit, SFVIDM_FILE_DELETE + idCmdFirst, dwAttr & SFGAO_CANDELETE, bContext);
_DisableRemoveMenuItem(hmInit, SFVIDM_FILE_LINK + idCmdFirst, dwAttr & SFGAO_CANLINK, bContext);
_DisableRemoveMenuItem(hmInit, SFVIDM_FILE_PROPERTIES + idCmdFirst, dwAttr & SFGAO_HASPROPSHEET, bContext);
}
STDAPI_(BOOL) IsClipboardOwnerHung(DWORD dwTimeout)
{
HWND hwnd = GetClipboardOwner();
if (!hwnd)
return FALSE;
DWORD_PTR dwResult;
return !SendMessageTimeout(hwnd, WM_NULL, 0, 0, SMTO_ABORTIFHUNG, dwTimeout, &dwResult);
}
STDAPI_(BOOL) Def_IsPasteAvailable(IDropTarget *pdtgt, DWORD *pdwEffect)
{
BOOL fRet = FALSE;
*pdwEffect = 0; // assume none
// Count the number of clipboard formats available, if there are none then there
// is no point making the clipboard available.
if (pdtgt && (CountClipboardFormats() > 0))
{
DECLAREWAITCURSOR;
SetWaitCursor();
// The clipboard owner might be hung, so time him out if he takes too long.
// We don't want context menus to hang just because some app is hung.
CRPCTimeout rpctimeout;
IDataObject *pdtobj;
if (!IsClipboardOwnerHung(1000) && SUCCEEDED(OleGetClipboard(&pdtobj)))
{
POINTL pt = {0, 0};
DWORD dwEffectOffered = DataObj_GetDWORD(pdtobj, g_cfPreferredDropEffect, DROPEFFECT_COPY | DROPEFFECT_LINK);
// Unfortunately, OLE turns RPC errors into generic errors
// so we can't use the HRESULT from IDataObject::GetData
// to tell whether the object is alive and doesn't support
// PreferredDropEffect or is hung and OLE turned the
// error code into DV_E_FORMATETC. So see if our timeout fired.
// This is not foolproof because OLE sometimes caches the "is
// the data object hung" state and returns error immediately
// instead of timing out. But it's better than nothing.
if (rpctimeout.TimedOut())
{
dwEffectOffered = 0;
}
// Check if we can paste.
DWORD dwEffect = (dwEffectOffered & (DROPEFFECT_MOVE | DROPEFFECT_COPY));
if (dwEffect)
{
if (SUCCEEDED(pdtgt->DragEnter(pdtobj, MK_RBUTTON, pt, &dwEffect)))
{
pdtgt->DragLeave();
}
else
{
dwEffect = 0;
}
}
// Check if we can past-link.
DWORD dwEffectLink = (dwEffectOffered & DROPEFFECT_LINK);
if (dwEffectLink)
{
if (SUCCEEDED(pdtgt->DragEnter(pdtobj, MK_RBUTTON, pt, &dwEffectLink)))
{
pdtgt->DragLeave();
dwEffect |= dwEffectLink;
}
}
fRet = (dwEffect & (DROPEFFECT_MOVE | DROPEFFECT_COPY));
*pdwEffect = dwEffect;
pdtobj->Release();
}
ResetWaitCursor();
}
return fRet;
}
void Def_InitEditCommands(ULONG dwAttr, HMENU hmInit, UINT idCmdFirst, IDropTarget *pdtgt, UINT fContext)
{
DWORD dwEffect = 0;
TCHAR szMenuText[80];
idCmdFirst -= SFVIDM_FIRST;
// Do the UNDO stuff only if the menu has an Undo option
if (GetMenuState(hmInit, SFVIDM_EDIT_UNDO + idCmdFirst, MF_BYCOMMAND) != 0xFFFFFFFF)
{
// enable undo if there's an undo history
BOOL bEnableUndo = IsUndoAvailable();
if (bEnableUndo)
{
GetUndoText(szMenuText, ARRAYSIZE(szMenuText), UNDO_MENUTEXT);
}
else
{
szMenuText[0] = 0;
LoadString(HINST_THISDLL, IDS_UNDOMENU, szMenuText, ARRAYSIZE(szMenuText));
}
if (szMenuText[0])
{
ModifyMenu(hmInit, SFVIDM_EDIT_UNDO + idCmdFirst, MF_BYCOMMAND | MF_STRING,
SFVIDM_EDIT_UNDO + idCmdFirst, szMenuText);
}
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_UNDO + idCmdFirst, bEnableUndo, fContext);
}
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_CUT + idCmdFirst, dwAttr & SFGAO_CANMOVE, fContext);
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_COPY + idCmdFirst, dwAttr & SFGAO_CANCOPY, fContext);
// Never remove the "Paste" command
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_PASTE + idCmdFirst, Def_IsPasteAvailable(pdtgt, &dwEffect), fContext & DIEC_SELECTIONCONTEXT);
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_PASTELINK + idCmdFirst, dwEffect & DROPEFFECT_LINK, fContext & DIEC_SELECTIONCONTEXT);
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_MOVETO + idCmdFirst, dwAttr & SFGAO_CANMOVE, fContext);
_DisableRemoveMenuItem(hmInit, SFVIDM_EDIT_COPYTO + idCmdFirst, dwAttr & SFGAO_CANCOPY, fContext);
}
int Static_ExtractIcon(HKEY hkeyMenuItem)
{
HKEY hkeyDefIcon;
int iImage = -1;
if (RegOpenKey(hkeyMenuItem, c_szDefaultIcon, &hkeyDefIcon) == ERROR_SUCCESS)
{
TCHAR szDefIcon[MAX_PATH];
DWORD cb = sizeof(szDefIcon);
if (SHQueryValueEx(hkeyDefIcon, NULL, NULL, NULL, (BYTE*)szDefIcon, &cb) == ERROR_SUCCESS)
{
iImage = Shell_GetCachedImageIndex(szDefIcon, PathParseIconLocation(szDefIcon), 0);
}
RegCloseKey(hkeyDefIcon);
}
return iImage;
}
typedef struct
{
CLSID clsid;
UINT idCmd;
UINT idMenu; // used in cleanup
GUID guidSearch; //used with search extensions only
} STATICITEMINFO;
#define LAST_ITEM (int)0x7FFFFFFF
UINT CDefFolderMenu::_AddStatic(HMENU hmenu, UINT idCmd, UINT idCmdLast, HKEY hkey)
{
if (idCmd > idCmdLast)
{
DebugMsg(DM_ERROR, TEXT("si_a: Out of command ids!"));
return idCmd;
}
ASSERT(!_hdsaStatics);
ASSERT(!_hdsaCustomInfo);
HDSA hdsaCustomInfo = DSA_Create(sizeof(SEARCHINFO), 1);
// Create a hdsaStatics.
HDSA hdsaStatics = DSA_Create(sizeof(STATICITEMINFO), 1);
if (hdsaStatics && hdsaCustomInfo)
{
HKEY hkeyStatic;
// Try to open the "Static" subkey.
if (RegOpenKey(hkey, TEXT("Static"), &hkeyStatic) == ERROR_SUCCESS)
{
TCHAR szClass[MAX_PATH];
BOOL bFindFilesInserted = FALSE;
// For each subkey of static.
for (int i = 0; RegEnumKey(hkeyStatic, i, szClass, ARRAYSIZE(szClass)) == ERROR_SUCCESS; i++)
{
HKEY hkeyClass;
// Record the GUID.
if (RegOpenKey(hkeyStatic, szClass, &hkeyClass) == ERROR_SUCCESS)
{
TCHAR szCLSID[MAX_PATH];
DWORD cb = sizeof(szCLSID);
// HACKHACK: (together with bWebSearchInserted above
// we need to have On the Internet as the first menu item
// and Find Files or Folders as second
BOOL bWebSearch = lstrcmp(szClass, TEXT("WebSearch")) == 0;
BOOL bFindFiles = FALSE;
if (SHQueryValueEx(hkeyClass, NULL, NULL, NULL, (BYTE*)szCLSID, &cb) == ERROR_SUCCESS)
{
HKEY hkeyMenuItem;
TCHAR szSubKey[32];
// enum the sub keys 0..N
for (int iMenuItem = 0; wnsprintf(szSubKey, ARRAYSIZE(szSubKey), TEXT("%d"), iMenuItem),
RegOpenKey(hkeyClass, szSubKey, &hkeyMenuItem) == ERROR_SUCCESS;
iMenuItem++)
{
TCHAR szMenuText[MAX_PATH];
if (SUCCEEDED(SHLoadLegacyRegUIString(hkeyMenuItem, NULL, szMenuText, ARRAYSIZE(szMenuText))))
{
STATICITEMINFO sii;
SEARCHINFO sinfo;
TCHAR szHelpText[MAX_PATH];
SHLoadLegacyRegUIString(hkeyMenuItem, TEXT("HelpText"), szHelpText, ARRAYSIZE(szHelpText));
SHCLSIDFromString(szCLSID, &sii.clsid); // store it
sii.idCmd = iMenuItem;
sii.idMenu = idCmd;
// get the search guid if any...
TCHAR szSearchGUID[MAX_PATH];
cb = sizeof(szSearchGUID);
if (SHGetValue(hkeyMenuItem, TEXT("SearchGUID"), NULL, NULL, (BYTE*)szSearchGUID, &cb) == ERROR_SUCCESS)
SHCLSIDFromString(szSearchGUID, &sii.guidSearch);
else
sii.guidSearch = GUID_NULL;
// cleanup -- allow non-static
// find extensions to specify a search guid and then we can
// remove this static "Find Computer" business...
//
// if this is FindComputer item and the restriction is not set
// don't add it to the menu
if (IsEqualGUID(sii.guidSearch, SRCID_SFindComputer) &&
!SHRestricted(REST_HASFINDCOMPUTERS))
continue;
bFindFiles = IsEqualGUID(sii.guidSearch, SRCID_SFileSearch);
if (bFindFiles && SHRestricted(REST_NOFIND))
continue;
if (IsEqualGUID(sii.guidSearch, SRCID_SFindPrinter))
continue;
DSA_AppendItem(hdsaStatics, &sii);
SEARCHEXTDATA *psed = (SEARCHEXTDATA *)LocalAlloc(LPTR, sizeof(*psed));
if (psed)
{
psed->iIcon = Static_ExtractIcon(hkeyMenuItem);
SHTCharToUnicode(szHelpText, psed->wszHelpText, ARRAYSIZE(psed->wszHelpText));
SHTCharToUnicode(szMenuText, psed->wszMenuText, ARRAYSIZE(psed->wszMenuText));
}
MENUITEMINFO mii;
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_DATA | MIIM_TYPE | MIIM_ID;
mii.fType = MFT_OWNERDRAW;
mii.wID = idCmd;
mii.dwItemData = (DWORD_PTR)psed;
sinfo.psed = psed;
sinfo.idCmd = idCmd;
if (DSA_AppendItem(hdsaCustomInfo, &sinfo) != -1)
{
// insert Files or Folders in the first place (see HACKHACK above)
if (!bFindFilesInserted && bFindFiles)
bFindFilesInserted = InsertMenuItem(hmenu, 0, TRUE, &mii);
else
{
UINT uiPos = LAST_ITEM;
// if this is Find Files or Folders insert it after
// On the Internet or in the first place if OtI is
// not inserted yet
if (bWebSearch)
uiPos = bFindFilesInserted ? 1 : 0;
// we don't free psed if Insert fails because it's
// in dsa and it's going to be freed on destroy
InsertMenuItem(hmenu, uiPos, TRUE, &mii);
}
}
// Next command.
idCmd++;
if (idCmd > idCmdLast)
{
DebugMsg(DM_ERROR, TEXT("si_a: Out of command ids!"));
break;
}
}
RegCloseKey(hkeyMenuItem);
}
}
RegCloseKey(hkeyClass);
}
}
RegCloseKey(hkeyStatic);
}
_hdsaStatics = hdsaStatics;
_hdsaCustomInfo = hdsaCustomInfo;
}
return idCmd;
}
void CDefFolderMenu::_InvokeStatic(UINT iCmd)
{
if (_hdsaStatics)
{
STATICITEMINFO *psii = (STATICITEMINFO *)DSA_GetItemPtr(_hdsaStatics, iCmd);
if (psii)
{
IContextMenu *pcm;
if (SUCCEEDED(SHExtCoCreateInstance(NULL, &psii->clsid, NULL, IID_PPV_ARG(IContextMenu, &pcm))))
{
HMENU hmenu = CreatePopupMenu();
if (hmenu)
{
CMINVOKECOMMANDINFO ici;
CHAR szSearchGUID[GUIDSTR_MAX];
LPSTR psz = NULL;
_iStaticInvoked = iCmd;
IUnknown_SetSite(pcm, _psss);
pcm->QueryContextMenu(hmenu, 0, CONTEXTMENU_IDCMD_FIRST, CONTEXTMENU_IDCMD_LAST, CMF_NORMAL);
ici.cbSize = sizeof(ici);
ici.fMask = 0;
ici.hwnd = NULL;
ici.lpVerb = (LPSTR)MAKEINTRESOURCE(psii->idCmd);
if (!IsEqualGUID(psii->guidSearch, GUID_NULL))
{
SHStringFromGUIDA(psii->guidSearch, szSearchGUID, ARRAYSIZE(szSearchGUID));
psz = szSearchGUID;
}
ici.lpParameters = psz;
ici.lpDirectory = NULL;
ici.nShow = SW_NORMAL;
pcm->InvokeCommand(&ici);
DestroyMenu(hmenu);
IUnknown_SetSite(pcm, NULL);
}
pcm->Release();
}
}
}
}
HRESULT CDefFolderMenu::_InitDropTarget()
{
HRESULT hr;
if (_pdtgt)
hr = S_OK; // have cached version
else
{
// try to create _pdtgt
if (_cidl)
{
ASSERT(NULL != _psf); // _pdtobj came from _psf
hr = _psf->GetUIObjectOf(_hwnd, 1, (LPCITEMIDLIST *)_apidl, IID_PPV_ARG_NULL(IDropTarget, &_pdtgt));
}
else if (_psf)
{
hr = _psf->CreateViewObject(_hwnd, IID_PPV_ARG(IDropTarget, &_pdtgt));
}
else
hr = E_FAIL;
}
return hr;
}
// Note on context menus ranges:
// Standard Items // DFM_MERGECONTEXTMENU, context menu extensions, DFM_MERGECONTEXTMENU_TOP
// Separator
// View Items // context menu extensions can get here
// Separator
// (defcm S_FALSE "default" items, if applicable)
// Separator
// Folder Items // context menu extensions can get here
// Separator
// Bottom Items // DFM_MERGECONTEXTMENU_BOTTOM
// Separator
// ("File" menu, if applicable)
//
// Defcm uses names separators to do this magic. Unfortunately _SHPrettyMenu
// removes duplicate separators and we don't always control when that happens.
// So we build up the above empty menu first, and then insert into appropriate ranges.
//
// If you call SHPrepareMenuForDefcm, you must call SHPrettyMenuForDefcm before you return/TrackPopupMenu
//
#define DEFCM_RANGE 5 // the number of FSIDMs belor
#define IS_VALID_DEFCM_RANGE(idCmdFirst, idCmdLast) (((idCmdLast)-(DEFCM_RANGE))>(idCmdFirst))
#define FSIDM_FOLDER_SEP(idCmdLast) ((idCmdLast)-1)
#define FSIDM_VIEW_SEP(idCmdLast) ((idCmdLast)-2)
#define FSIDM_PLACE_SEP(idCmdLast) ((idCmdLast)-3)
#define FSIDM_PLACE_VAL(idCmdLast) ((idCmdLast)-4)
HRESULT SHPrepareMenuForDefcm(HMENU hmenu, UINT indexMenu, UINT uFlags, UINT idCmdFirst, UINT idCmdLast)
{
HRESULT hr = S_OK;
if (!(uFlags & CMF_DEFAULTONLY) && IS_VALID_DEFCM_RANGE(idCmdFirst, idCmdLast))
{
UINT uPosView = GetMenuPosFromID(hmenu, FSIDM_VIEW_SEP(idCmdLast));
UINT uPosFolder = GetMenuPosFromID(hmenu, FSIDM_FOLDER_SEP(idCmdLast));
if (-1 != uPosView && -1 != uPosFolder)
{
// Menu is already set up correctly
}
else if (-1 == uPosView && -1 == uPosFolder)
{
// Insert everything backwords at position indexMenu
//
InsertMenu(hmenu, indexMenu, MF_BYPOSITION, FSIDM_PLACE_VAL(idCmdLast), TEXT("placeholder"));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_PLACE_SEP(idCmdLast), TEXT(""));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION, FSIDM_PLACE_VAL(idCmdLast), TEXT("placeholder"));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_FOLDER_SEP(idCmdLast), TEXT(""));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION, FSIDM_PLACE_VAL(idCmdLast), TEXT("placeholder"));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_PLACE_SEP(idCmdLast), TEXT(""));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION, FSIDM_PLACE_VAL(idCmdLast), TEXT("placeholder"));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_VIEW_SEP(idCmdLast), TEXT(""));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION, FSIDM_PLACE_VAL(idCmdLast), TEXT("placeholder"));
hr = S_FALSE;
}
else
{
TraceMsg(TF_ERROR, "Some context menu removed a single named separator, we're in a screwy state");
if (-1 == uPosFolder)
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_FOLDER_SEP(idCmdLast), TEXT(""));
if (-1 == uPosView)
{
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_PLACE_SEP(idCmdLast), TEXT(""));
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, FSIDM_VIEW_SEP(idCmdLast), TEXT(""));
}
}
}
return hr;
}
HRESULT SHPrettyMenuForDefcm(HMENU hmenu, UINT uFlags, UINT idCmdFirst, UINT idCmdLast, HRESULT hrPrepare)
{
if (!(uFlags & CMF_DEFAULTONLY) && IS_VALID_DEFCM_RANGE(idCmdFirst, idCmdLast))
{
if (S_FALSE == hrPrepare)
{
while (DeleteMenu(hmenu, FSIDM_PLACE_VAL(idCmdLast), MF_BYCOMMAND))
{
// Remove all our non-separator menu items
}
}
}
_SHPrettyMenu(hmenu);
return S_OK;
}
HRESULT SHUnprepareMenuForDefcm(HMENU hmenu, UINT idCmdFirst, UINT idCmdLast)
{
if (IS_VALID_DEFCM_RANGE(idCmdFirst, idCmdLast))
{
// Remove all the named separators we may have added
DeleteMenu(hmenu, FSIDM_VIEW_SEP(idCmdLast), MF_BYCOMMAND);
DeleteMenu(hmenu, FSIDM_FOLDER_SEP(idCmdLast), MF_BYCOMMAND);
while (DeleteMenu(hmenu, FSIDM_PLACE_SEP(idCmdLast), MF_BYCOMMAND))
{
// Remove all our placeholder separators
}
}
return S_OK;
}
void CDefFolderMenu::_SetMenuDefault(HMENU hmenu, UINT idCmdFirst, UINT idMax)
{
// we are about to set the default menu id, give the callback a chance
// to override and set one of the static entries instead of the
// first entry in the menu.
WPARAM idStatic;
if (_pcmcb && SUCCEEDED(_pcmcb->CallBack(_psf, _hwnd, _pdtobj,
DFM_GETDEFSTATICID,
0, (LPARAM)&idStatic)))
{
for (int i = 0; i < ARRAYSIZE(c_sDFMCmdInfo); i++)
{
if (idStatic == c_sDFMCmdInfo[i].idDFMCmd)
{
SetMenuDefaultItem(hmenu, idCmdFirst + c_sDFMCmdInfo[i].idDefCmd, MF_BYCOMMAND);
break;
}
}
}
if (GetMenuDefaultItem(hmenu, MF_BYPOSITION, 0) == -1)
{
int i = 0;
int cMenu = GetMenuItemCount(hmenu);
for (; i < cMenu; i++)
{
// fallback to openas so that files that have progids
// dont endup using AFSO or * for their default verbs
WCHAR szi[CCH_KEYMAX];
HRESULT hr = _GetMenuVerb(hmenu, idCmdFirst, idMax, i, szi, ARRAYSIZE(szi));
if (hr == S_OK && *szi && 0 == StrCmpI(szi, TEXT("openas")))
{
SetMenuDefaultItem(hmenu, i, MF_BYPOSITION);
break;
}
}
if (i == cMenu)
{
ASSERT(GetMenuDefaultItem(hmenu, MF_BYPOSITION, 0) == -1);
SetMenuDefaultItem(hmenu, 0, MF_BYPOSITION);
}
}
}
STDMETHODIMP CDefFolderMenu::QueryContextMenu(HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags)
{
QCMINFO qcm = { hmenu, indexMenu, idCmdFirst, idCmdLast };
DECLAREWAITCURSOR;
BOOL fUseDefExt;
SetWaitCursor();
_idCmdFirst = idCmdFirst;
_hmenu = hmenu;
_uFlags = uFlags;
_bInitMenuPopup = FALSE;
// Set up the menu for defcm
HRESULT hrPrepare = SHPrepareMenuForDefcm(hmenu, indexMenu, uFlags, idCmdFirst, idCmdLast);
if (IS_VALID_DEFCM_RANGE(idCmdFirst, idCmdLast))
{
_idMap.max = 2;
_idMap.list[0].id = FSIDM_FOLDER_SEP(idCmdLast);
_idMap.list[0].fFlags = QCMINFO_PLACE_BEFORE;
_idMap.list[1].id = FSIDM_VIEW_SEP(idCmdLast);
_idMap.list[1].fFlags = QCMINFO_PLACE_AFTER;
qcm.pIdMap = (const QCMINFO_IDMAP *)&_idMap;
qcm.idCmdLast = idCmdLast - DEFCM_RANGE;
}
// first add in the folder commands like cut/copy/paste
if (_pdtobj && !(uFlags & (CMF_VERBSONLY | CMF_DVFILE)))
{
if (!(CMF_DEFAULTONLY & uFlags))
{
ATOMICRELEASE(_pdtgt); // If we previously got the drop target, release it.
_InitDropTarget(); // ignore failure, NULL _pdtgt is handled below
}
// We're going to merge two HMENUs into the context menu,
// but we want only one id range for them... Remember the idCmdFirst.
//
UINT idCmdFirstTmp = qcm.idCmdFirst;
UINT indexMenuTmp = qcm.indexMenu;
UINT uPos = GetMenuPosFromID(hmenu, FSIDM_FOLDER_SEP(idCmdLast));
// POPUP_DCM_ITEM2 goes after FSIDM_FOLDER_SEP(idCmdLast)
if (-1 != uPos)
qcm.indexMenu = uPos + 1;
CDefFolderMenu_MergeMenu(HINST_THISDLL, POPUP_DCM_ITEM2, 0, &qcm);
UINT idCmdFirstMax = qcm.idCmdFirst;
qcm.idCmdFirst = idCmdFirstTmp;
// POPUP_DCM_ITEM goes TWO before FSIDM_FOLDER_SEP(idCmdLast)
if (-1 != uPos)
qcm.indexMenu = uPos - 1;
CDefFolderMenu_MergeMenu(HINST_THISDLL, POPUP_DCM_ITEM, 0, &qcm);
qcm.indexMenu = indexMenuTmp;
qcm.idCmdFirst = max(idCmdFirstTmp, qcm.idCmdFirst);
ULONG dwAttr = _AttributesOfItems(
SFGAO_CANRENAME | SFGAO_CANDELETE |
SFGAO_CANLINK | SFGAO_HASPROPSHEET |
SFGAO_CANCOPY | SFGAO_CANMOVE);
if (!(uFlags & CMF_CANRENAME))
dwAttr &= ~SFGAO_CANRENAME;
Def_InitFileCommands(dwAttr, hmenu, idCmdFirst, TRUE);
// Don't try to figure out paste if we're just going to invoke the default
// (Figuring out paste is expensive)
if (CMF_DEFAULTONLY & uFlags)
{
ASSERT(_pdtgt == NULL);
}
Def_InitEditCommands(dwAttr, hmenu, idCmdFirst, _pdtgt, DIEC_SELECTIONCONTEXT);
}
_idStdMax = qcm.idCmdFirst - idCmdFirst;
// DFM_MERGECONTEXTMENU returns S_FALSE if we should not add any verbs.
if (_pcmcb)
{
HRESULT hr = _pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_MERGECONTEXTMENU, uFlags, (LPARAM)&qcm);
fUseDefExt = (hr == S_OK);
UINT indexMenuTmp = qcm.indexMenu;
UINT uPos = GetMenuPosFromID(hmenu, FSIDM_FOLDER_SEP(idCmdLast));
if (-1 != uPos)
qcm.indexMenu = uPos + 1;
hr = _pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_MERGECONTEXTMENU_BOTTOM, uFlags, (LPARAM)&qcm);
if (!fUseDefExt)
fUseDefExt = (hr == S_OK);
qcm.indexMenu = indexMenuTmp;
}
else
{
fUseDefExt = FALSE;
}
_idFolderMax = qcm.idCmdFirst - idCmdFirst;
// add registry verbs
if ((!(uFlags & CMF_NOVERBS)) ||
(!_pdtobj && !_psf && _nKeys)) // this second case is for find extensions
{
// HACK: Default Extenstions EXPECT a selection, Let's hope all don't
if (!_pdtobj)
fUseDefExt = FALSE;
// Put the separator between container menuitems and object menuitems
// only if we don't have the separator at the insertion point.
MENUITEMINFO mii = {0};
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_TYPE;
mii.fType = MFT_SEPARATOR; // to avoid ramdom result.
if (GetMenuItemInfo(hmenu, indexMenu, TRUE, &mii) && !(mii.fType & MFT_SEPARATOR))
{
InsertMenu(hmenu, indexMenu, MF_BYPOSITION | MF_SEPARATOR, (UINT)-1, NULL);
}
HDCA hdca = DCA_Create();
if (hdca)
{
// Add default extensions, only if the folder callback returned
// S_OK. The Printer and Control folder returns S_FALSE
// indicating that they don't need any default extension.
if (fUseDefExt)
{
// Always add this default extention at the top.
DCA_AddItem(hdca, CLSID_ShellFileDefExt);
}
// Append menus for all extensions
for (UINT nKeys = 0; nKeys < _nKeys; ++nKeys)
{
DCA_AddItemsFromKey(hdca, _hkeyClsKeys[nKeys],
_bUnderKeys ? NULL : STRREG_SHEX_MENUHANDLER);
}
// Work Around:
// first time we call this _hdxa is empty
// after that it has the same items as before but will not add any new ones
// if user keeps right clicking we will eventually run out of menu item ids
// read comment in HDXA_AppendMenuItems2. to prevent it we empty _hdxa
HDXA_DeleteAll(_hdxa);
// (lamadio) For background context menu handlers, the pidlFolder
// should be a valid pidl, but, for backwards compatilility, this
// parameter should be NULL, if the Dataobject is NOT NULL.
qcm.idCmdFirst = HDXA_AppendMenuItems2(_hdxa, _pdtobj,
_nKeys, _hkeyClsKeys,
!_pdtobj ? _pidlFolder : NULL,
&qcm, uFlags, hdca, _psss);
DCA_Destroy(hdca);
}
_idVerbMax = qcm.idCmdFirst - idCmdFirst;
// menu extensions that are loaded at invoke time
if (uFlags & CMF_INCLUDESTATIC)
{
qcm.idCmdFirst = _AddStatic(hmenu, qcm.idCmdFirst, qcm.idCmdLast, _hkeyClsKeys[0]);
}
_idDelayInvokeMax = qcm.idCmdFirst - idCmdFirst;
// Remove the separator if we did not add any.
if (_idDelayInvokeMax == _idFolderMax)
{
if (GetMenuState(hmenu, 0, MF_BYPOSITION) & MF_SEPARATOR)
DeleteMenu(hmenu, 0, MF_BYPOSITION);
}
}
// if no default menu got set, choose the first one.
if (_pdtobj && !(uFlags & CMF_NODEFAULT) &&
GetMenuDefaultItem(hmenu, MF_BYPOSITION, 0) == -1)
{
_SetMenuDefault(hmenu, idCmdFirst, qcm.idCmdFirst);
}
// And now we give the callback the option to put (more) commands on top
// of everything else
if (_pcmcb)
_pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_MERGECONTEXTMENU_TOP, uFlags, (LPARAM)&qcm);
_idFld2Max = qcm.idCmdFirst - idCmdFirst;
SHPrettyMenuForDefcm(hmenu, uFlags, idCmdFirst, idCmdLast, hrPrepare);
_UnduplicateVerbs(hmenu, idCmdFirst, qcm.idCmdFirst);
ResetWaitCursor();
return ResultFromShort(_idFld2Max);
}
HRESULT CDefFolderMenu::_GetMenuVerb(HMENU hmenu, int idFirst, int idMax, int item, LPWSTR psz, DWORD cch)
{
MENUITEMINFO mii = {0};
mii.cbSize = sizeof(MENUITEMINFO);
mii.fMask = MIIM_TYPE | MIIM_ID;
*psz = 0;
if (GetMenuItemInfo(hmenu, item, TRUE, &mii)
&& ((int)mii.wID >= idFirst && (int)mii.wID < idMax))
{
if (mii.fType & MFT_SEPARATOR)
return S_FALSE;
else
return GetCommandString(mii.wID - idFirst, GCS_VERBW, NULL, (LPSTR)psz, cch);
}
return E_FAIL;
}
void CDefFolderMenu::_UnduplicateVerbs(HMENU hmenu, int idFirst, int idMax)
{
HRESULT hr = S_OK;
int iDefault = GetMenuDefaultItem(hmenu, MF_BYPOSITION, 0);
for (int i = 0; i < GetMenuItemCount(hmenu); i++)
{
WCHAR szi[CCH_KEYMAX];
hr = _GetMenuVerb(hmenu, idFirst, idMax, i, szi, ARRAYSIZE(szi));
if (hr == S_OK && *szi)
{
for (int j = i + 1; j < GetMenuItemCount(hmenu); j++)
{
WCHAR szj[CCH_KEYMAX];
hr = _GetMenuVerb(hmenu, idFirst, idMax, j, szj, ARRAYSIZE(szj));
if (hr == S_OK && *szj)
{
if (0 == StrCmpIW(szj, szi))
{
if (j != iDefault)
{
DeleteMenu(hmenu, j, MF_BYPOSITION);
j--;
}
}
}
}
}
}
}
HRESULT CDefFolderMenu::_ProcessEditPaste(BOOL fPasteLink)
{
DECLAREWAITCURSOR;
SetWaitCursor();
HRESULT hr = _InitDropTarget();
if (SUCCEEDED(hr))
{
IDataObject *pdtobj;
hr = OleGetClipboard(&pdtobj);
if (SUCCEEDED(hr))
{
DWORD grfKeyState;
DWORD dwEffect = DataObj_GetDWORD(pdtobj, g_cfPreferredDropEffect, DROPEFFECT_COPY | DROPEFFECT_LINK);
if (fPasteLink)
{
// MK_FAKEDROP to avoid drag/drop pop up menu
grfKeyState = MK_LBUTTON | MK_CONTROL | MK_SHIFT | MK_FAKEDROP;
dwEffect &= DROPEFFECT_LINK;
}
else
{
grfKeyState = MK_LBUTTON;
dwEffect &= ~DROPEFFECT_LINK;
}
hr = SimulateDropWithPasteSucceeded(_pdtgt, pdtobj, grfKeyState, NULL, dwEffect, _psss, TRUE);
pdtobj->Release();
}
}
ResetWaitCursor();
if (FAILED(hr))
MessageBeep(0);
return hr;
}
HRESULT CDefFolderMenu::_ProcessRename()
{
IDefViewFrame3 *dvf3;
HRESULT hr = IUnknown_QueryService(_punkSite, SID_DefView, IID_PPV_ARG(IDefViewFrame3, &dvf3));
if (SUCCEEDED(hr))
{
hr = dvf3->DoRename();
dvf3->Release();
}
return hr;
}
// deal with the versioning of this structure...
void CopyInvokeInfo(CMINVOKECOMMANDINFOEX *pici, const CMINVOKECOMMANDINFO *piciIn)
{
ASSERT(piciIn->cbSize >= sizeof(*piciIn));
ZeroMemory(pici, sizeof(*pici));
memcpy(pici, piciIn, min(sizeof(*pici), piciIn->cbSize));
pici->cbSize = sizeof(*pici);
}
#ifdef UNICODE
#define IS_UNICODE_ICI(pici) ((pici->cbSize >= CMICEXSIZE_NT4) && ((pici->fMask & CMIC_MASK_UNICODE) == CMIC_MASK_UNICODE))
#else
#define IS_UNICODE_ICI(pici) (FALSE)
#endif
typedef int (WINAPI * PFN_LSTRCMPIW)(LPCWSTR, LPCWSTR);
HRESULT SHMapICIVerbToCmdID(LPCMINVOKECOMMANDINFO pici, const ICIVERBTOIDMAP* pmap, UINT cmap, UINT* pid)
{
HRESULT hr = E_FAIL;
if (!IS_INTRESOURCE(pici->lpVerb))
{
PFN_LSTRCMPIW pfnCompare;
LPCWSTR pszVerb;
BOOL fUnicode;
if (IS_UNICODE_ICI(pici) && ((LPCMINVOKECOMMANDINFOEX)pici)->lpVerbW)
{
pszVerb = ((LPCMINVOKECOMMANDINFOEX)pici)->lpVerbW;
pfnCompare = lstrcmpiW;
fUnicode = TRUE;
}
else
{
pszVerb = (LPCWSTR)(pici->lpVerb);
pfnCompare = (PFN_LSTRCMPIW)lstrcmpiA;
fUnicode = FALSE;
}
for (UINT i = 0; i < cmap ; i++)
{
LPCWSTR pszCompare = (fUnicode) ? pmap[i].pszCmd : (LPCWSTR)(pmap[i].pszCmdA);
if (!pfnCompare(pszVerb, pszCompare))
{
*pid = pmap[i].idDFMCmd;
hr = S_OK;
break;
}
}
}
else
{
*pid = LOWORD((UINT_PTR)pici->lpVerb);
hr = S_OK;
}
return hr;
}
HRESULT SHMapCmdIDToVerb(UINT_PTR idCmd, const ICIVERBTOIDMAP* pmap, UINT cmap, LPSTR pszName, UINT cchMax, BOOL bUnicode)
{
LPCWSTR pszNull = L"";
LPCSTR pszVerb = (LPCSTR)pszNull;
for (UINT i = 0 ; i < cmap ; i++)
{
if (pmap[i].idDefCmd == idCmd)
{
pszVerb = (bUnicode) ? (LPCSTR)pmap[i].pszCmd : pmap[i].pszCmdA;
break;
}
}
if (bUnicode)
StrCpyNW((LPWSTR)pszName, (LPWSTR)pszVerb, cchMax);
else
StrCpyNA(pszName, pszVerb, cchMax);
return (pszVerb == (LPCSTR)pszNull) ? E_NOTIMPL : S_OK;
}
STDMETHODIMP CDefFolderMenu::InvokeCommand(LPCMINVOKECOMMANDINFO pici)
{
HRESULT hr = S_OK;
UINT idCmd = (UINT)-1;
UINT idCmdLocal; // this is used within each if block for the local idCmd value
LPCMINVOKECOMMANDINFOEX picix = (LPCMINVOKECOMMANDINFOEX)pici; // This value is only usable when fCmdInfoEx is true
BOOL fUnicode = IS_UNICODE_ICI(pici);
if (pici->cbSize < sizeof(CMINVOKECOMMANDINFO))
return E_INVALIDARG;
if (!IS_INTRESOURCE(pici->lpVerb))
{
if (SUCCEEDED(SHMapICIVerbToCmdID(pici, c_sDFMCmdInfo, ARRAYSIZE(c_sDFMCmdInfo), &idCmdLocal)))
{
// We need to use goto because idFolderMax might not be initialized
// yet (QueryContextMenu might have not been called).
goto ProcessCommand;
}
// see if this is a command provided by name by the callback
LPCTSTR pszVerb;
WCHAR szVerb[MAX_PATH];
if (!fUnicode || picix->lpVerbW == NULL)
{
SHAnsiToUnicode(picix->lpVerb, szVerb, ARRAYSIZE(szVerb));
pszVerb = szVerb;
}
else
pszVerb = picix->lpVerbW;
idCmdLocal = idCmd;
if (*pszVerb && SUCCEEDED(_pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_MAPCOMMANDNAME, (WPARAM)&idCmdLocal, (LPARAM)pszVerb)))
{
goto ProcessCommand;
}
// we need to give the verbs a chance in case they asked for it by string
goto ProcessVerb;
}
else
{
idCmd = LOWORD((UINT_PTR)pici->lpVerb);
}
if (idCmd < _idStdMax)
{
idCmdLocal = idCmd;
for (int i = 0; i < ARRAYSIZE(c_sDFMCmdInfo); i++)
{
if (idCmdLocal == c_sDFMCmdInfo[i].idDefCmd)
{
idCmdLocal = c_sDFMCmdInfo[i].idDFMCmd;
goto ProcessCommand;
}
}
hr = E_INVALIDARG;
}
else if (idCmd < _idFolderMax)
{
DFMICS dfmics;
LPARAM lParam;
WCHAR szLParamBuffer[MAX_PATH];
idCmdLocal = idCmd - _idStdMax;
ProcessCommand:
if (!fUnicode || picix->lpParametersW == NULL)
{
if (pici->lpParameters == NULL)
{
lParam = (LPARAM)NULL;
}
else
{
SHAnsiToUnicode(pici->lpParameters, szLParamBuffer, ARRAYSIZE(szLParamBuffer));
lParam = (LPARAM)szLParamBuffer;
}
}
else
lParam = (LPARAM)picix->lpParametersW;
switch (idCmdLocal)
{
case DFM_CMD_LINK:
if (!fUnicode || picix->lpDirectoryW == NULL)
{
if (pici->lpDirectory == NULL)
{
lParam = (LPARAM)NULL;
}
else
{
SHAnsiToUnicode(pici->lpDirectory, szLParamBuffer, ARRAYSIZE(szLParamBuffer));
lParam = (LPARAM)szLParamBuffer;
}
}
else
lParam = (LPARAM)picix->lpDirectoryW;
break;
case DFM_CMD_PROPERTIES:
if (SHRestricted(REST_NOVIEWCONTEXTMENU))
{
// This is what the NT4 QFE returned, but I wonder
// if HRESULT_FROM_WIN32(E_ACCESSDENIED) would be better?
return hr;
}
break;
}
// try to use a DFM_INVOKECOMMANDEX first so the callback can see
// the INVOKECOMMANDINFO struct (for stuff like the 'no ui' flag)
dfmics.cbSize = sizeof(dfmics);
dfmics.fMask = pici->fMask;
dfmics.lParam = lParam;
dfmics.idCmdFirst = _idCmdFirst;
dfmics.idDefMax = _idStdMax;
dfmics.pici = pici;
// this for the property pages to show up right at
// the POINT where they were activated.
if ((idCmdLocal == DFM_CMD_PROPERTIES) && (pici->fMask & CMIC_MASK_PTINVOKE) && _pdtobj)
{
ASSERT(pici->cbSize >= sizeof(CMINVOKECOMMANDINFOEX));
POINT *ppt = (POINT *)GlobalAlloc(GPTR, sizeof(*ppt));
if (ppt)
{
*ppt = picix->ptInvoke;
if (FAILED(DataObj_SetGlobal(_pdtobj, g_cfOFFSETS, ppt)))
GlobalFree(ppt);
}
}
hr = _pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_INVOKECOMMANDEX, idCmdLocal, (LPARAM)&dfmics);
if (hr == E_NOTIMPL)
{
// the callback didn't understand the DFM_INVOKECOMMANDEX
// fall back to a regular DFM_INVOKECOMMAND instead
hr = _pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_INVOKECOMMAND, idCmdLocal, lParam);
}
// Check if we need to execute the default code.
if (hr == S_FALSE)
{
hr = S_OK; // assume no error
if (_pdtobj)
{
switch (idCmdLocal)
{
case DFM_CMD_MOVE:
case DFM_CMD_COPY:
DataObj_SetDWORD(_pdtobj, g_cfPreferredDropEffect,
(idCmdLocal == DFM_CMD_MOVE) ?
DROPEFFECT_MOVE : (DROPEFFECT_COPY | DROPEFFECT_LINK));
IShellFolderView *psfv;
if (SUCCEEDED(IUnknown_QueryService(_punkSite, SID_SFolderView, IID_PPV_ARG(IShellFolderView, &psfv))))
psfv->SetPoints(_pdtobj);
OleSetClipboard(_pdtobj);
if (psfv)
{
// notify view so it can setup itself in the
// clipboard viewer chain
psfv->SetClipboard(DFM_CMD_MOVE == idCmdLocal);
psfv->Release();
}
break;
case DFM_CMD_LINK:
SHCreateLinks(pici->hwnd, NULL, _pdtobj, lParam ? SHCL_USETEMPLATE | SHCL_USEDESKTOP : SHCL_USETEMPLATE, NULL);
break;
case DFM_CMD_PASTE:
case DFM_CMD_PASTELINK:
hr = _ProcessEditPaste(idCmdLocal == DFM_CMD_PASTELINK);
break;
case DFM_CMD_RENAME:
hr = _ProcessRename();
break;
default:
DebugMsg(TF_WARNING, TEXT("DefCM item command not processed in %s at %d (%x)"),
__FILE__, __LINE__, idCmdLocal);
break;
}
}
else
{
// This is a background menu. Process common command ids.
switch(idCmdLocal)
{
case DFM_CMD_PASTE:
case DFM_CMD_PASTELINK:
hr = _ProcessEditPaste(idCmdLocal == DFM_CMD_PASTELINK);
break;
default:
// Only our commands should come here
DebugMsg(TF_WARNING, TEXT("DefCM background command not processed in %s at %d (%x)"),
__FILE__, __LINE__, idCmdLocal);
break;
}
}
}
}
else if (idCmd < _idVerbMax)
{
idCmdLocal = idCmd - _idFolderMax;
ProcessVerb:
{
CMINVOKECOMMANDINFOEX ici;
UINT_PTR idCmdSave;
CopyInvokeInfo(&ici, pici);
if (IS_INTRESOURCE(pici->lpVerb))
ici.lpVerb = (LPSTR)MAKEINTRESOURCE(idCmdLocal);
// One of extension menu is selected.
idCmdSave = (UINT_PTR)ici.lpVerb;
UINT_PTR idCmd = 0;
hr = HDXA_LetHandlerProcessCommandEx(_hdxa, &ici, &idCmd);
if (SUCCEEDED(hr) && (idCmd == idCmdSave))
{
// hdxa failed to handle it
hr = E_INVALIDARG;
}
}
}
else if (idCmd < _idDelayInvokeMax)
{
_InvokeStatic((UINT)(idCmd-_idVerbMax));
}
else if (idCmd < _idFld2Max)
{
idCmdLocal = idCmd - _idDelayInvokeMax;
goto ProcessCommand;
}
else
{
hr = E_INVALIDARG;
}
return hr;
}
STDMETHODIMP CDefFolderMenu::GetCommandString(UINT_PTR idCmd, UINT uType, UINT *pwReserved, LPSTR pszName, UINT cchMax)
{
HRESULT hr = E_INVALIDARG;
UINT_PTR idCmdLocal;
int i;
if (!IS_INTRESOURCE(idCmd))
{
// This must be a string
if (HDXA_GetCommandString(_hdxa, idCmd, uType, pwReserved, pszName, cchMax) == S_OK)
{
return S_OK;
}
// String can either be Ansi or Unicode. Since shell32 is built unicode, we need to compare
// idCmd against the ansi version of the verb string.
LPTSTR pCmd;
LPSTR pCmdA;
pCmd = (LPTSTR)idCmd;
pCmdA = (LPSTR)idCmd;
// Convert the string into an ID
for (i = 0; i < ARRAYSIZE(c_sDFMCmdInfo); i++)
{
if (!lstrcmpi(pCmd, c_sDFMCmdInfo[i].pszCmd) || !StrCmpIA(pCmdA, c_sDFMCmdInfo[i].pszCmdA))
{
idCmdLocal = (UINT) c_sDFMCmdInfo[i].idDFMCmd;
goto ProcessCommand;
}
}
return E_INVALIDARG;
}
if (idCmd < _idStdMax)
{
idCmdLocal = idCmd;
switch (uType)
{
case GCS_HELPTEXTA:
// HACK: DCM commands are in the same order as SFV commands
return(LoadStringA(HINST_THISDLL,
(UINT) idCmdLocal + (UINT)(SFVIDM_FIRST + SFVIDS_MH_FIRST),
(LPSTR)pszName, cchMax) ? S_OK : E_OUTOFMEMORY);
break;
case GCS_HELPTEXTW:
// HACK: DCM commands are in the same order as SFV commands
return(LoadStringW(HINST_THISDLL,
(UINT) idCmdLocal + (UINT)(SFVIDM_FIRST + SFVIDS_MH_FIRST),
(LPWSTR)pszName, cchMax) ? S_OK : E_OUTOFMEMORY);
break;
case GCS_VERBA:
case GCS_VERBW:
return SHMapCmdIDToVerb(idCmdLocal, c_sDFMCmdInfo, ARRAYSIZE(c_sDFMCmdInfo), pszName, cchMax, uType == GCS_VERBW);
case GCS_VALIDATEA:
case GCS_VALIDATEW:
default:
return E_NOTIMPL;
}
}
else if (idCmd < _idFolderMax)
{
idCmdLocal = idCmd - _idStdMax;
ProcessCommand:
if (!_pcmcb)
return E_NOTIMPL; // REVIEW: If no callback, how can idFolderMax be > 0?
// This is a folder menu
switch (uType)
{
case GCS_HELPTEXTA:
return _pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_GETHELPTEXT,
(WPARAM)MAKELONG(idCmdLocal, cchMax), (LPARAM)pszName);
case GCS_HELPTEXTW:
return _pcmcb->CallBack(_psf, _hwnd, _pdtobj, DFM_GETHELPTEXTW,
(WPARAM)MAKELONG(idCmdLocal, cchMax), (LPARAM)pszName);
case GCS_VALIDATEA:
case GCS_VALIDATEW:
return _pcmcb->CallBack(_psf, _hwnd, _pdtobj,
DFM_VALIDATECMD, idCmdLocal, 0);
case GCS_VERBA:
return _pcmcb->CallBack(_psf, _hwnd, _pdtobj,
DFM_GETVERBA, (WPARAM)MAKELONG(idCmdLocal, cchMax), (LPARAM)pszName);
case GCS_VERBW:
return _pcmcb->CallBack(_psf, _hwnd, _pdtobj,
DFM_GETVERBW, (WPARAM)MAKELONG(idCmdLocal, cchMax), (LPARAM)pszName);
default:
return E_NOTIMPL;
}
}
else if (idCmd < _idVerbMax)
{
idCmdLocal = idCmd - _idFolderMax;
// One of extension menu is selected.
hr = HDXA_GetCommandString(_hdxa, idCmdLocal, uType, pwReserved, pszName, cchMax);
}
else if (idCmd < _idDelayInvokeMax)
{
// menu extensions that are loaded at invoke time don't support this
}
else if (idCmd < _idFld2Max)
{
idCmdLocal = idCmd - _idDelayInvokeMax;
goto ProcessCommand;
}
return hr;
}
STDMETHODIMP CDefFolderMenu::HandleMenuMsg2(UINT uMsg, WPARAM wParam,
LPARAM lParam,LRESULT* plResult)
{
UINT uMsgFld = 0; // must zero init these since _pcmb->Callback() call at bottom passes these through even if uMsg doesn't match anything in the switch statement
WPARAM wParamFld = 0; // map the folder call back params to these
LPARAM lParamFld = 0;
UINT idCmd;
UINT id; //temp var
switch (uMsg) {
case WM_MEASUREITEM:
idCmd = GET_WM_COMMAND_ID(((MEASUREITEMSTRUCT *)lParam)->itemID, 0);
// cannot use InRange because _idVerbMax can be equal to _idDelayInvokeMax
id = idCmd-_idCmdFirst;
if ((_bInitMenuPopup || (_hdsaStatics && _idVerbMax <= id)) && id < _idDelayInvokeMax)
{
_MeasureItem((MEASUREITEMSTRUCT *)lParam);
return S_OK;
}
uMsgFld = DFM_WM_MEASUREITEM;
wParamFld = GetFldFirst(this);
lParamFld = lParam;
break;
case WM_DRAWITEM:
idCmd = GET_WM_COMMAND_ID(((LPDRAWITEMSTRUCT)lParam)->itemID, 0);
// cannot use InRange because _idVerbMax can be equal to _idDelayInvokeMax
id = idCmd-_idCmdFirst;
if ((_bInitMenuPopup || (_hdsaStatics && _idVerbMax <= id)) && id < _idDelayInvokeMax)
{
_DrawItem((LPDRAWITEMSTRUCT)lParam);
return S_OK;
}
uMsgFld = DFM_WM_DRAWITEM;
wParamFld = GetFldFirst(this);
lParamFld = lParam;
break;
case WM_INITMENUPOPUP:
idCmd = GetMenuItemID((HMENU)wParam, 0);
if (_uFlags & CMF_FINDHACK)
{
HMENU hmenu = (HMENU)wParam;
int cItems = GetMenuItemCount(hmenu);
_bInitMenuPopup = TRUE;
if (!_hdsaCustomInfo)
_hdsaCustomInfo = DSA_Create(sizeof(SEARCHINFO), 1);
if (_hdsaCustomInfo && cItems > 0)
{
// need to go bottom up because we may delete some items
for (int i = cItems - 1; i >= 0; i--)
{
MENUITEMINFO mii = {0};
TCHAR szMenuText[MAX_PATH];
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_TYPE | MIIM_DATA | MIIM_ID;
mii.dwTypeData = szMenuText;
mii.cch = ARRAYSIZE(szMenuText);
if (GetMenuItemInfo(hmenu, i, TRUE, &mii) && (MFT_STRING == mii.fType))
{
SEARCHINFO sinfo;
// static items already have correct dwItemData (pointer to SEARCHEXTDATA added in _AddStatic)
// we now have to change other find extension's dwItemData from having an index into the icon
// cache to pointer to SEARCHEXTDATA
// cannot use InRange because _idVerbMax can be equal to _idDelayInvokeMax
id = mii.wID - _idCmdFirst;
if (!(_hdsaStatics && _idVerbMax <= id && id < _idDelayInvokeMax))
{
UINT iIcon = (UINT) mii.dwItemData;
SEARCHEXTDATA *psed = (SEARCHEXTDATA *)LocalAlloc(LPTR, sizeof(*psed));
if (psed)
{
psed->iIcon = iIcon;
SHTCharToUnicode(szMenuText, psed->wszMenuText, ARRAYSIZE(psed->wszMenuText));
}
mii.fMask = MIIM_DATA | MIIM_TYPE;
mii.fType = MFT_OWNERDRAW;
mii.dwItemData = (DWORD_PTR)psed;
sinfo.psed = psed;
sinfo.idCmd = mii.wID;
if (DSA_AppendItem(_hdsaCustomInfo, &sinfo) == -1)
{
DeleteMenu(hmenu, i, MF_BYPOSITION);
if (psed)
LocalFree(psed);
}
else
SetMenuItemInfo(hmenu, i, TRUE, &mii);
}
}
}
}
else if (!_hdsaCustomInfo)
{
// we could not allocate space for _hdsaCustomInfo
// delete all items because there will be no pointer hanging off dwItemData
// so start | search will fault
for (int i = 0; i < cItems; i++)
DeleteMenu(hmenu, i, MF_BYPOSITION);
}
}
uMsgFld = DFM_WM_INITMENUPOPUP;
wParamFld = wParam;
lParamFld = GetFldFirst(this);
break;
case WM_MENUSELECT:
idCmd = (UINT) LOWORD(wParam);
// cannot use InRange because _idVerbMax can be equal to _idDelayInvokeMax
id = idCmd-_idCmdFirst;
if (_punkSite && (_bInitMenuPopup || (_hdsaStatics && _idVerbMax <= id)) && id < _idDelayInvokeMax)
{
IShellBrowser *psb;
if (SUCCEEDED(IUnknown_QueryService(_punkSite, SID_STopLevelBrowser, IID_PPV_ARG(IShellBrowser, &psb))))
{
MENUITEMINFO mii;
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_DATA;
mii.cch = 0; //just in case
if (GetMenuItemInfo(_hmenu, idCmd, FALSE, &mii))
{
SEARCHEXTDATA *psed = (SEARCHEXTDATA *)mii.dwItemData;
psb->SetStatusTextSB(psed->wszHelpText);
}
psb->Release();
}
}
return S_OK;
case WM_MENUCHAR:
if ((_uFlags & CMF_FINDHACK) && _hdsaCustomInfo)
{
int cItems = DSA_GetItemCount(_hdsaCustomInfo);
for (int i = 0; i < cItems; i++)
{
SEARCHINFO* psinfo = (SEARCHINFO*)DSA_GetItemPtr(_hdsaCustomInfo, i);
ASSERT(psinfo);
SEARCHEXTDATA* psed = psinfo->psed;
if (psed)
{
TCHAR szMenu[MAX_PATH];
SHUnicodeToTChar(psed->wszMenuText, szMenu, ARRAYSIZE(szMenu));
if (_MenuCharMatch(szMenu, (TCHAR)LOWORD(wParam), FALSE))
{
if (plResult)
*plResult = MAKELONG(GetMenuPosFromID((HMENU)lParam, psinfo->idCmd), MNC_EXECUTE);
return S_OK;
}
}
}
if (plResult)
*plResult = MAKELONG(0, MNC_IGNORE);
return S_FALSE;
}
else
{
// TODO: this should probably get the idCmd of the MFS_HILITE item so we forward to the correct hdxa...
idCmd = GetMenuItemID((HMENU)lParam, 0);
}
break;
default:
return E_FAIL;
}
// bias this down to the extension range (comes right after the folder range)
idCmd -= _idCmdFirst + _idFolderMax;
// Only forward along on IContextMenu3 as some shell extensions say they support
// IContextMenu2, but fail and bring down the shell...
IContextMenu3 *pcmItem;
if (SUCCEEDED(HDXA_FindByCommand(_hdxa, idCmd, IID_PPV_ARG(IContextMenu3, &pcmItem))))
{
HRESULT hr = pcmItem->HandleMenuMsg2(uMsg, wParam, lParam, plResult);
pcmItem->Release();
return hr;
}
// redirect to the folder callback
if (_pcmcb)
return _pcmcb->CallBack(_psf, _hwnd, _pdtobj, uMsgFld, wParamFld, lParamFld);
return E_FAIL;
}
STDMETHODIMP CDefFolderMenu::HandleMenuMsg(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return HandleMenuMsg2(uMsg,wParam,lParam,NULL);
}
STDMETHODIMP CDefFolderMenu::QueryService(REFGUID guidService, REFIID riid, void **ppvObj)
{
if (IsEqualGUID(guidService, SID_CtxQueryAssociations))
{
if (_paa)
return _paa->QueryInterface(riid, ppvObj);
else
{
*ppvObj = NULL;
return E_NOINTERFACE;
}
}
else
return IUnknown_QueryService(_punkSite, guidService, riid, ppvObj);
}
STDMETHODIMP CDefFolderMenu::GetSearchGUID(GUID *pGuid)
{
HRESULT hr = E_FAIL;
if (_iStaticInvoked != -1)
{
STATICITEMINFO *psii = (STATICITEMINFO *)DSA_GetItemPtr(_hdsaStatics, _iStaticInvoked);
if (psii)
{
*pGuid = psii->guidSearch;
hr = S_OK;
}
}
return hr;
}
STDMETHODIMP CDefFolderMenu::Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID)
{
IUnknown_Set((IUnknown **)&_pdtobj, pdtobj); // just grab this guy
for (int i = 0; i < DSA_GetItemCount(_hdxa); i++)
{
ContextMenuInfo *pcmi = (ContextMenuInfo *)DSA_GetItemPtr(_hdxa, i);
IShellExtInit *psei;
if (SUCCEEDED(pcmi->pcm->QueryInterface(IID_PPV_ARG(IShellExtInit, &psei))))
{
psei->Initialize(pidlFolder, pdtobj, hkeyProgID);
psei->Release();
}
}
return S_OK;
}
//=============================================================================
// HDXA stuff
//=============================================================================
//
// This function enumerate all the context menu handlers and let them
// append menuitems. Each context menu handler will create an object
// which support IContextMenu interface. We call QueryContextMenu()
// member function of all those IContextMenu object to let them append
// menuitems. For each IContextMenu object, we create ContextMenuInfo
// struct and append it to hdxa (which is a dynamic array of ContextMenuInfo).
//
// The caller will release all those IContextMenu objects, by calling
// its Release() member function.
//
// Arguments:
// hdxa -- Handler of the dynamic ContextMenuInfo struct array
// pdata -- Specifies the selected items (files)
// hkeyShellEx -- Specifies the reg.dat class we should enumurate handlers
// hkeyProgID -- Specifies the program identifier of the selected file/directory
// pszHandlerKey -- Specifies the reg.dat key to the handler list
// pidlFolder -- Specifies the folder (drop target)
// hmenu -- Specifies the menu to be modified
// uInsert -- Specifies the position to be insert menuitems
// idCmdFirst -- Specifies the first menuitem ID to be used
// idCmdLast -- Specifies the last menuitem ID to be used
//
// Returns:
// The first menuitem ID which is not used.
//
// History:
// 02-25-93 SatoNa Created
//
// 06-30-97 lAmadio Modified to add ID mapping support.
UINT HDXA_AppendMenuItems(HDXA hdxa, IDataObject *pdtobj,
UINT nKeys, HKEY *ahkeys, LPCITEMIDLIST pidlFolder,
HMENU hmenu, UINT uInsert, UINT idCmdFirst, UINT idCmdLast,
UINT fFlags, HDCA hdca)
{
QCMINFO qcm = {hmenu, uInsert, idCmdFirst, idCmdLast, NULL};
return HDXA_AppendMenuItems2(hdxa, pdtobj, nKeys, ahkeys, pidlFolder, &qcm, fFlags, hdca, NULL);
}
UINT HDXA_AppendMenuItems2(HDXA hdxa, IDataObject *pdtobj,
UINT nKeys, HKEY *ahkeys, LPCITEMIDLIST pidlFolder,
QCMINFO* pqcm, UINT fFlags, HDCA hdca, IUnknown* pSite)
{
const UINT idCmdBase = pqcm->idCmdFirst;
UINT idCmdFirst = pqcm->idCmdFirst;
// Apparently, somebody has already called into here with this object. We
// need to keep the ID ranges separate, so we'll put the new ones at the
// end.
// If QueryContextMenu is called too many times, we will run out of
// ID range and not add anything. We could try storing the information
// used to create each pcm (HKEY, GUID, and fFlags) and reuse some of them,
// but then we would have to worry about what if the number of commands
// grows and other details; this is just not worth the effort since
// probably nobody will ever have a problem. The rule of thumb is to
// create an IContextMenu, do the QueryContextMenu and InvokeCommand, and
// then Release it.
int idca = DSA_GetItemCount(hdxa);
if (idca > 0)
{
ContextMenuInfo *pcmi = (ContextMenuInfo *)DSA_GetItemPtr(hdxa, idca-1);
idCmdFirst += pcmi->idCmdMax;
}
// Note that we need to reverse the order because each extension
// will insert menuitems "above" uInsert.
UINT uInsertOffset = 0;
for (idca = DCA_GetItemCount(hdca) - 1; idca >= 0; idca--)
{
TCHAR szCLSID[GUIDSTR_MAX];
TCHAR szRegKey[GUIDSTR_MAX + 40];
CLSID clsid = *DCA_GetItem(hdca, idca);
SHStringFromGUID(clsid, szCLSID, ARRAYSIZE(szCLSID));
// avoid creating an instance (loading the DLL) when:
// 1. fFlags has CMF_DEFAULTONLY and
// 2. CLSID\clsid\MayChangeDefault does not exist
if ((fFlags & CMF_DEFAULTONLY) && (clsid != CLSID_ShellFileDefExt))
{
wnsprintf(szRegKey, ARRAYSIZE(szRegKey), TEXT("CLSID\\%s\\shellex\\MayChangeDefaultMenu"), szCLSID);
if (!SHRegSubKeyExists(HKEY_CLASSES_ROOT, szRegKey))
{
DebugMsg(TF_MENU, TEXT("HDXA_AppendMenuItems skipping %s"), szCLSID);
continue;
}
}
IShellExtInit *psei = NULL;
IContextMenu *pcm = NULL;
// Try all the class keys in order
for (UINT nCurKey = 0; nCurKey < nKeys; nCurKey++)
{
// These cam from HKCR so need to go through administrator approval
if (!psei && FAILED(DCA_ExtCreateInstance(hdca, idca, IID_PPV_ARG(IShellExtInit, &psei))))
break;
if (FAILED(psei->Initialize(pidlFolder, pdtobj, ahkeys[nCurKey])))
continue;
// Only get the pcm after initializing
if (!pcm && FAILED(psei->QueryInterface(IID_PPV_ARG(IContextMenu, &pcm))))
continue;
wnsprintf(szRegKey, ARRAYSIZE(szRegKey), TEXT("CLSID\\%s"), szCLSID);
// Webvw needs the site in order to do its QueryContextMenu
ContextMenuInfo cmi;
cmi.pcm = pcm;
cmi.dwCompat = SHGetObjectCompatFlags(NULL, &clsid);
ContextMenuInfo_SetSite(&cmi, pSite);
HRESULT hr;
int cMenuItemsLast = GetMenuItemCount(pqcm->hmenu);
DWORD dwExtType, dwType, dwSize = sizeof(dwExtType);
if (SHGetValue(HKEY_CLASSES_ROOT, szRegKey, TEXT("flags"), &dwType, (BYTE*)&dwExtType, &dwSize) == ERROR_SUCCESS &&
dwType == REG_DWORD &&
(NULL != pqcm->pIdMap) &&
dwExtType < pqcm->pIdMap->nMaxIds)
{
//Explanation:
//Here we are trying to add a context menu extension to an already
//existing menu, owned by the sister object of DefView. We used the callback
//to get a list of extension "types" and their place within the menu, relative
//to IDs that the sister object inserted already. That object also told us
//where to put extensions, before or after the ID. Since they are IDs and not
//positions, we have to convert using GetMenuPosFromID.
hr = pcm->QueryContextMenu(
pqcm->hmenu,
GetMenuPosFromID(pqcm->hmenu, pqcm->pIdMap->pIdList[dwExtType].id) +
((pqcm->pIdMap->pIdList[dwExtType].fFlags & QCMINFO_PLACE_AFTER) ? 1 : 0),
idCmdFirst,
pqcm->idCmdLast, fFlags);
}
else
hr = pcm->QueryContextMenu(pqcm->hmenu, pqcm->indexMenu + uInsertOffset, idCmdFirst, pqcm->idCmdLast, fFlags);
UINT citems = HRESULT_CODE(hr);
if (SUCCEEDED(hr) && citems)
{
cmi.idCmdFirst = idCmdFirst - idCmdBase;
cmi.idCmdMax = cmi.idCmdFirst + citems;
cmi.clsid = clsid; // for debugging
if (DSA_AppendItem(hdxa, &cmi) == -1)
{
// There is no "clean" way to remove menu items, so
// we should check the add to the DSA before adding the
// menu items
DebugMsg(DM_ERROR, TEXT("filemenu.c ERROR: DSA_GetItemPtr failed (memory overflow)"));
}
else
{
pcm->AddRef();
}
idCmdFirst += citems;
FullDebugMsg(TF_MENU, TEXT("HDXA_Append: %d, %d"), idCmdFirst, citems);
// keep going if it is our internal handler
if (clsid == CLSID_ShellFileDefExt)
{
//
// for static registry verbs, make sure that
// they are added in priority of their specificity.
//
// the first key needs its verbs at the top
// unless it is not the default handler.
// so if the default hasnt been set,
// then we dont push down the insert position.
//
// like "Directory" is more specific than "Folder"
// but the default verb is on "Folder". so "Directory"
// wont set the default verb, but "Folder" will.
//
if (-1 != GetMenuDefaultItem(pqcm->hmenu, TRUE, 0))
{
// a default has been set, so each subsequent
// key is less important.
uInsertOffset += GetMenuItemCount(pqcm->hmenu) - cMenuItemsLast;
}
}
else
{
// try to bubble up the default to the top if possible,
// since some apps just invoke the 0th index on the menu
// instead of querying the menu for the default
if (0 == uInsertOffset && (0 == GetMenuDefaultItem(pqcm->hmenu, TRUE, 0)))
uInsertOffset++;
// only CLSID_ShellFileDefExt gets a shot
// at every key. the rest are assumed
// to do most of their work from the IDataObject
break;
}
pcm->Release();
pcm = NULL;
psei->Release();
psei = NULL;
continue; // next hkey
}
}
if (pcm)
pcm->Release();
if (psei)
psei->Release();
}
return idCmdFirst;
}
// This function is called after the user select one of add-in menu items.
// This function calls IncokeCommand method of corresponding context menu
// object.
//
// hdxa -- Handler of the dynamic ContextMenuInfo struct array
// idCmd -- Specifies the menu item ID
// hwndParent -- Specifies the parent window.
// pszWorkingDir -- Specifies the working directory.
//
// Returns:
// IDCMD_PROCESSED, if InvokeCommand method is called; idCmd, otherwise
HRESULT HDXA_LetHandlerProcessCommandEx(HDXA hdxa, LPCMINVOKECOMMANDINFOEX pici, UINT_PTR * pidCmd)
{
HRESULT hr = S_OK;
UINT_PTR idCmd;
if (!pidCmd)
pidCmd = &idCmd;
*pidCmd = (UINT_PTR)pici->lpVerb;
// try handlers in order, the first to take it wins
for (int i = 0; i < DSA_GetItemCount(hdxa); i++)
{
ContextMenuInfo *pcmi = (ContextMenuInfo *)DSA_GetItemPtr(hdxa, i);
if (!IS_INTRESOURCE(pici->lpVerb))
{
// invoke by cannonical name case
// app compat: some ctx menu extension always succeed regardless
// if it is theirs or not. better to never pass them a string
if (!(pcmi->dwCompat & OBJCOMPATF_CTXMENU_NOVERBS))
{
hr = pcmi->pcm->InvokeCommand((LPCMINVOKECOMMANDINFO)pici);
if (SUCCEEDED(hr))
{
*pidCmd = IDCMD_PROCESSED;
break;
}
}
else
hr = E_FAIL;
}
else if ((*pidCmd >= pcmi->idCmdFirst) && (*pidCmd < pcmi->idCmdMax))
{
CMINVOKECOMMANDINFOEX ici;
CopyInvokeInfo(&ici, (CMINVOKECOMMANDINFO *)pici);
ici.lpVerb = (LPSTR)MAKEINTRESOURCE(*pidCmd - pcmi->idCmdFirst);
hr = pcmi->pcm->InvokeCommand((LPCMINVOKECOMMANDINFO)&ici);
if (SUCCEEDED(hr))
{
*pidCmd = IDCMD_PROCESSED;
}
break;
}
}
// It's OK if (idCmd != IDCMD_PROCESSED) because some callers will try to use several
// IContextMenu implementations in order to get the IContextMenu for the selected items,
// the IContextMenu for the background, etc. CBackgrndMenu::InvokeCommand() does this.
// -BryanSt (04/29/1999)
return hr;
}
HRESULT HDXA_GetCommandString(HDXA hdxa, UINT_PTR idCmd, UINT uType, UINT *pwReserved, LPSTR pszName, UINT cchMax)
{
HRESULT hr = E_INVALIDARG;
LPTSTR pCmd = (LPTSTR)idCmd;
if (!hdxa)
return E_INVALIDARG;
//
// One of add-in menuitems is selected. Let the context
// menu handler process it.
//
for (int i = 0; i < DSA_GetItemCount(hdxa); i++)
{
ContextMenuInfo *pcmi = (ContextMenuInfo *)DSA_GetItemPtr(hdxa, i);
if (!IS_INTRESOURCE(idCmd))
{
// This must be a string command; see if this handler wants it
if (pcmi->pcm->GetCommandString(idCmd, uType,
pwReserved, pszName, cchMax) == S_OK)
{
return S_OK;
}
}
//
// Check if it is for this context menu handler.
//
// Notes: We can't use InRange macro because idCmdFirst might
// be equal to idCmdLast.
// if (InRange(idCmd, pcmi->idCmdFirst, pcmi->idCmdMax-1))
else if (idCmd >= pcmi->idCmdFirst && idCmd < pcmi->idCmdMax)
{
//
// Yes, it is. Let it handle this menuitem.
//
hr = pcmi->pcm->GetCommandString(idCmd-pcmi->idCmdFirst, uType, pwReserved, pszName, cchMax);
break;
}
}
return hr;
}
HRESULT HDXA_FindByCommand(HDXA hdxa, UINT idCmd, REFIID riid, void **ppv)
{
HRESULT hr = E_FAIL;
*ppv = NULL; // bug nt power toy does not properly null out in error cases...
if (hdxa)
{
for (int i = 0; i < DSA_GetItemCount(hdxa); i++)
{
ContextMenuInfo *pcmi = (ContextMenuInfo *)DSA_GetItemPtr(hdxa, i);
if (idCmd >= pcmi->idCmdFirst && idCmd < pcmi->idCmdMax)
{
// APPCOMPAT: PGP50 can only be QIed for IContextMenu, IShellExtInit, and IUnknown.
if (!(pcmi->dwCompat & OBJCOMPATF_CTXMENU_LIMITEDQI))
hr = pcmi->pcm->QueryInterface(riid, ppv);
else
hr = E_FAIL;
break;
}
}
}
return hr;
}
//
// This function releases all the IContextMenu objects in the dynamic
// array of ContextMenuInfo,
//
void HDXA_DeleteAll(HDXA hdxa)
{
if (hdxa)
{
// Release all the IContextMenu objects, then destroy the DSA.
for (int i = 0; i < DSA_GetItemCount(hdxa); i++)
{
ContextMenuInfo *pcmi = (ContextMenuInfo *)DSA_GetItemPtr(hdxa, i);
if (pcmi->pcm)
{
pcmi->pcm->Release();
}
}
DSA_DeleteAllItems(hdxa);
}
}
// This function releases all the IContextMenu objects in the dynamic
// array of ContextMenuInfo, then destroys the dynamic array.
void HDXA_Destroy(HDXA hdxa)
{
if (hdxa)
{
HDXA_DeleteAll(hdxa);
DSA_Destroy(hdxa);
}
}
class CContextMenuCBImpl : public IContextMenuCB
{
public:
CContextMenuCBImpl(LPFNDFMCALLBACK pfn) : _pfn(pfn), _cRef(1) {}
// IUnknown
STDMETHOD(QueryInterface)(REFIID riid, void **ppv)
{
static const QITAB qit[] = {
QITABENT(CContextMenuCBImpl, IContextMenuCB), // IID_IContextMenuCB
{ 0 },
};
return QISearch(this, qit, riid, ppv);
}
STDMETHOD_(ULONG,AddRef)()
{
return InterlockedIncrement(&_cRef);
}
STDMETHOD_(ULONG,Release)()
{
ASSERT( 0 != _cRef );
ULONG cRef = InterlockedDecrement(&_cRef);
if ( 0 == cRef )
{
delete this;
}
return cRef;
}
// IContextMenuCB
STDMETHOD(CallBack)(IShellFolder *psf, HWND hwnd, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return _pfn ? _pfn(psf, hwnd, pdtobj, uMsg, wParam, lParam) : E_FAIL;
}
private:
LONG _cRef;
LPFNDFMCALLBACK _pfn;
};
STDAPI CreateDefaultContextMenu(DEFCONTEXTMENU *pdcm, IContextMenu **ppcm)
{
HRESULT hr = E_OUTOFMEMORY;
*ppcm = 0;
CDefFolderMenu *pmenu = new CDefFolderMenu(FALSE);
if (pmenu)
{
hr = pmenu->Init(pdcm);
if (SUCCEEDED(hr))
hr = pmenu->QueryInterface(IID_PPV_ARG(IContextMenu, ppcm));
pmenu->Release();
}
return hr;
}
STDAPI CDefFolderMenu_CreateHKeyMenu(HWND hwnd, HKEY hkey, IContextMenu **ppcm)
{
HRESULT hr = E_OUTOFMEMORY;
*ppcm = 0;
CDefFolderMenu *pmenu = new CDefFolderMenu(TRUE);
if (pmenu)
{
DEFCONTEXTMENU dcm = {0};
dcm.hwnd = hwnd;
dcm.aKeys = &hkey;
dcm.cKeys = 1;
hr = pmenu->Init(&dcm);
if (SUCCEEDED(hr))
hr = pmenu->QueryInterface(IID_PPV_ARG(IContextMenu, ppcm));
pmenu->Release();
}
return hr;
}
STDAPI CDefFolderMenu_Create2Ex(LPCITEMIDLIST pidlFolder, HWND hwnd,
UINT cidl, LPCITEMIDLIST *apidl,
IShellFolder *psf, IContextMenuCB *pcmcb,
UINT nKeys, const HKEY *ahkeys,
IContextMenu **ppcm)
{
DEFCONTEXTMENU dcm = {
hwnd,
pcmcb,
pidlFolder,
psf,
cidl,
apidl,
NULL,
nKeys,
ahkeys};
return CreateDefaultContextMenu(&dcm, ppcm);
}
STDAPI CDefFolderMenu_CreateEx(LPCITEMIDLIST pidlFolder,
HWND hwnd, UINT cidl, LPCITEMIDLIST *apidl,
IShellFolder *psf, IContextMenuCB *pcmcb,
HKEY hkeyProgID, HKEY hkeyBaseProgID,
IContextMenu **ppcm)
{
HKEY aKeys[2] = { hkeyProgID, hkeyBaseProgID};
DEFCONTEXTMENU dcm = {
hwnd,
pcmcb,
pidlFolder,
psf,
cidl,
apidl,
NULL,
2,
aKeys};
return CreateDefaultContextMenu(&dcm, ppcm);
}
//
// old style CDefFolderMenu_Create and CDefFolderMenu_Create2
//
STDAPI CDefFolderMenu_Create(LPCITEMIDLIST pidlFolder,
HWND hwndOwner,
UINT cidl, LPCITEMIDLIST * apidl,
IShellFolder *psf,
LPFNDFMCALLBACK pfn,
HKEY hkeyProgID, HKEY hkeyBaseProgID,
IContextMenu **ppcm)
{
HRESULT hr;
IContextMenuCB *pcmcb = new CContextMenuCBImpl(pfn);
if (pcmcb)
{
HKEY aKeys[2] = { hkeyProgID, hkeyBaseProgID};
DEFCONTEXTMENU dcm = {
hwndOwner,
pcmcb,
pidlFolder,
psf,
cidl,
apidl,
NULL,
2,
aKeys};
hr = CreateDefaultContextMenu(&dcm, ppcm);
pcmcb->Release();
}
else
{
*ppcm = NULL;
hr = E_OUTOFMEMORY;
}
return hr;
}
STDAPI CDefFolderMenu_Create2(LPCITEMIDLIST pidlFolder, HWND hwnd,
UINT cidl, LPCITEMIDLIST *apidl,
IShellFolder *psf, LPFNDFMCALLBACK pfn,
UINT nKeys, const HKEY *ahkeys,
IContextMenu **ppcm)
{
HRESULT hr;
IContextMenuCB *pcmcb = new CContextMenuCBImpl(pfn);
if (pcmcb)
{
hr = CDefFolderMenu_Create2Ex(pidlFolder, hwnd, cidl, apidl, psf, pcmcb,
nKeys, ahkeys, ppcm);
pcmcb->Release();
}
else
{
*ppcm = NULL;
hr = E_OUTOFMEMORY;
}
return hr;
}
#define CXIMAGEGAP 6
void DrawMenuItem(DRAWITEMSTRUCT* pdi, LPCTSTR pszText, UINT iIcon)
{
if ((pdi->itemAction & ODA_SELECT) || (pdi->itemAction & ODA_DRAWENTIRE))
{
int x, y;
SIZE sz;
RECT rc;
// Draw the image (if there is one).
GetTextExtentPoint(pdi->hDC, pszText, lstrlen(pszText), &sz);
if (pdi->itemState & ODS_SELECTED)
{
SetBkColor(pdi->hDC, GetSysColor(COLOR_HIGHLIGHT));
SetTextColor(pdi->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
FillRect(pdi->hDC,&pdi->rcItem,GetSysColorBrush(COLOR_HIGHLIGHT));
}
else
{
SetTextColor(pdi->hDC, GetSysColor(COLOR_MENUTEXT));
FillRect(pdi->hDC,&pdi->rcItem,GetSysColorBrush(COLOR_MENU));
}
rc = pdi->rcItem;
rc.left += +2 * CXIMAGEGAP + g_cxSmIcon;
DrawText(pdi->hDC,pszText,lstrlen(pszText), &rc, DT_SINGLELINE | DT_VCENTER);
if (iIcon != -1)
{
x = pdi->rcItem.left + CXIMAGEGAP;
y = (pdi->rcItem.bottom+pdi->rcItem.top-g_cySmIcon)/2;
HIMAGELIST himlSmall;
Shell_GetImageLists(NULL, &himlSmall);
ImageList_Draw(himlSmall, iIcon, pdi->hDC, x, y, ILD_TRANSPARENT);
}
else
{
x = pdi->rcItem.left + CXIMAGEGAP;
y = (pdi->rcItem.bottom+pdi->rcItem.top-g_cySmIcon)/2;
}
}
}
LRESULT MeasureMenuItem(MEASUREITEMSTRUCT *pmi, LPCTSTR pszText)
{
LRESULT lres = FALSE;
// Get the rough height of an item so we can work out when to break the
// menu. User should really do this for us but that would be useful.
HDC hdc = GetDC(NULL);
if (hdc)
{
// REVIEW cache out the menu font?
NONCLIENTMETRICS ncm;
ncm.cbSize = sizeof(ncm);
if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, FALSE))
{
HFONT hfont = CreateFontIndirect(&ncm.lfMenuFont);
if (hfont)
{
SIZE sz;
HFONT hfontOld = (HFONT)SelectObject(hdc, hfont);
GetTextExtentPoint(hdc, pszText, lstrlen(pszText), &sz);
pmi->itemHeight = max (g_cySmIcon + CXIMAGEGAP / 2, ncm.iMenuHeight);
pmi->itemWidth = g_cxSmIcon + 2 * CXIMAGEGAP + sz.cx;
pmi->itemWidth = 2 * CXIMAGEGAP + sz.cx;
SelectObject(hdc, hfontOld);
DeleteObject(hfont);
lres = TRUE;
}
}
ReleaseDC(NULL, hdc);
}
return lres;
}
void CDefFolderMenu::_DrawItem(DRAWITEMSTRUCT *pdi)
{
SEARCHEXTDATA *psed = (SEARCHEXTDATA *)pdi->itemData;
if (psed)
{
TCHAR szMenuText[MAX_PATH];
SHUnicodeToTChar(psed->wszMenuText, szMenuText, ARRAYSIZE(szMenuText));
DrawMenuItem(pdi, szMenuText, psed->iIcon);
}
}
LRESULT CDefFolderMenu::_MeasureItem(MEASUREITEMSTRUCT *pmi)
{
SEARCHEXTDATA *psed = (SEARCHEXTDATA *)pmi->itemData;
if (psed)
{
TCHAR szMenuText[MAX_PATH];
SHUnicodeToTChar(psed->wszMenuText, szMenuText, ARRAYSIZE(szMenuText));
return MeasureMenuItem(pmi, szMenuText);
}
return FALSE;
}