dlls/shell32/shv_item_cmenu.c

   1 /*
   2  *      IContextMenu for items in the shellview
   3  *
   4  * Copyright 1998, 2000 Juergen Schmied <juergen.schmied@debitel.net>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <string.h>
  22
  23 #define NONAMELESSUNION
  24 #define NONAMELESSSTRUCT
  25 #include "winerror.h"
  26 #include "wine/debug.h"
  27
  28 #include "pidl.h"
  29 #include "shlguid.h"
  30 #include "undocshell.h"
  31 #include "shlobj.h"
  32
  33 #include "shell32_main.h"
  34 #include "shellfolder.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  37
  38 /**************************************************************************
  39 *  IContextMenu Implementation
  40 */
  41 typedef struct
  42 {       ICOM_VFIELD(IContextMenu);
  43         DWORD           ref;
  44         IShellFolder*   pSFParent;
  45         LPITEMIDLIST    pidl;           /* root pidl */
  46         LPITEMIDLIST    *apidl;         /* array of child pidls */
  47         UINT            cidl;
  48         BOOL            bAllValues;
  49 } ItemCmImpl;
  50
  51
  52 static struct ICOM_VTABLE(IContextMenu) cmvt;
  53
  54 /**************************************************************************
  55 * ISvItemCm_CanRenameItems()
  56 */
  57 static BOOL ISvItemCm_CanRenameItems(ItemCmImpl *This)
  58 {       UINT  i;
  59         DWORD dwAttributes;
  60
  61         TRACE("(%p)->()\n",This);
  62
  63         if(This->apidl)
  64         {
  65           for(i = 0; i < This->cidl; i++){}
  66           if(i > 1) return FALSE;               /* can't rename more than one item at a time*/
  67           dwAttributes = SFGAO_CANRENAME;
  68           IShellFolder_GetAttributesOf(This->pSFParent, 1, This->apidl, &dwAttributes);
  69           return dwAttributes & SFGAO_CANRENAME;
  70         }
  71         return FALSE;
  72 }
  73
  74 /**************************************************************************
  75 *   ISvItemCm_Constructor()
  76 */
  77 IContextMenu *ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, LPCITEMIDLIST *apidl, UINT cidl)
  78 {       ItemCmImpl* cm;
  79         UINT  u;
  80
  81         cm = (ItemCmImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ItemCmImpl));
  82         cm->lpVtbl = &cmvt;
  83         cm->ref = 1;
  84         cm->pidl = ILClone(pidl);
  85         cm->pSFParent = pSFParent;
  86
  87         if(pSFParent) IShellFolder_AddRef(pSFParent);
  88
  89         cm->apidl = _ILCopyaPidl(apidl, cidl);
  90         cm->cidl = cidl;
  91
  92         cm->bAllValues = 1;
  93         for(u = 0; u < cidl; u++)
  94         {
  95           cm->bAllValues &= (_ILIsValue(apidl[u]) ? 1 : 0);
  96         }
  97
  98         TRACE("(%p)->()\n",cm);
  99
 100         return (IContextMenu*)cm;
 101 }
 102
 103 /**************************************************************************
 104 *  ISvItemCm_fnQueryInterface
 105 */
 106 static HRESULT WINAPI ISvItemCm_fnQueryInterface(IContextMenu *iface, REFIID riid, LPVOID *ppvObj)
 107 {
 108         ICOM_THIS(ItemCmImpl, iface);
 109
 110         TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
 111
 112         *ppvObj = NULL;
 113
 114         if(IsEqualIID(riid, &IID_IUnknown))          /*IUnknown*/
 115         {
 116           *ppvObj = This;
 117         }
 118         else if(IsEqualIID(riid, &IID_IContextMenu))  /*IContextMenu*/
 119         {
 120           *ppvObj = This;
 121         }
 122         else if(IsEqualIID(riid, &IID_IShellExtInit))  /*IShellExtInit*/
 123         {
 124           FIXME("-- LPSHELLEXTINIT pointer requested\n");
 125         }
 126
 127         if(*ppvObj)
 128         {
 129           IUnknown_AddRef((IUnknown*)*ppvObj);
 130           TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 131           return S_OK;
 132         }
 133         TRACE("-- Interface: E_NOINTERFACE\n");
 134         return E_NOINTERFACE;
 135 }
 136
 137 /**************************************************************************
 138 *  ISvItemCm_fnAddRef
 139 */
 140 static ULONG WINAPI ISvItemCm_fnAddRef(IContextMenu *iface)
 141 {
 142         ICOM_THIS(ItemCmImpl, iface);
 143
 144         TRACE("(%p)->(count=%lu)\n",This, This->ref);
 145
 146         return ++(This->ref);
 147 }
 148
 149 /**************************************************************************
 150 *  ISvItemCm_fnRelease
 151 */
 152 static ULONG WINAPI ISvItemCm_fnRelease(IContextMenu *iface)
 153 {
 154         ICOM_THIS(ItemCmImpl, iface);
 155
 156         TRACE("(%p)->()\n",This);
 157
 158         if (!--(This->ref))
 159         {
 160           TRACE(" destroying IContextMenu(%p)\n",This);
 161
 162           if(This->pSFParent)
 163             IShellFolder_Release(This->pSFParent);
 164
 165           if(This->pidl)
 166             SHFree(This->pidl);
 167
 168           /*make sure the pidl is freed*/
 169           _ILFreeaPidl(This->apidl, This->cidl);
 170
 171           HeapFree(GetProcessHeap(),0,This);
 172           return 0;
 173         }
 174         return This->ref;
 175 }
 176
 177 /**************************************************************************
 178 *  ICM_InsertItem()
 179 */
 180 void WINAPI _InsertMenuItem (
 181         HMENU hmenu,
 182         UINT indexMenu,
 183         BOOL fByPosition,
 184         UINT wID,
 185         UINT fType,
 186         LPSTR dwTypeData,
 187         UINT fState)
 188 {
 189         MENUITEMINFOA   mii;
 190
 191         ZeroMemory(&mii, sizeof(mii));
 192         mii.cbSize = sizeof(mii);
 193         if (fType == MFT_SEPARATOR)
 194         {
 195           mii.fMask = MIIM_ID | MIIM_TYPE;
 196         }
 197         else
 198         {
 199           mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE;
 200           mii.dwTypeData = dwTypeData;
 201           mii.fState = fState;
 202         }
 203         mii.wID = wID;
 204         mii.fType = fType;
 205         InsertMenuItemA( hmenu, indexMenu, fByPosition, &mii);
 206 }
 207 /**************************************************************************
 208 * ISvItemCm_fnQueryContextMenu()
 209 */
 210
 211 static HRESULT WINAPI ISvItemCm_fnQueryContextMenu(
 212         IContextMenu *iface,
 213         HMENU hmenu,
 214         UINT indexMenu,
 215         UINT idCmdFirst,
 216         UINT idCmdLast,
 217         UINT uFlags)
 218 {
 219         ICOM_THIS(ItemCmImpl, iface);
 220
 221         TRACE("(%p)->(hmenu=%p indexmenu=%x cmdfirst=%x cmdlast=%x flags=%x )\n",This, hmenu, indexMenu, idCmdFirst, idCmdLast, uFlags);
 222
 223         if(!(CMF_DEFAULTONLY & uFlags))
 224         {
 225           if(uFlags & CMF_EXPLORE)
 226           {
 227             if(This->bAllValues)
 228             {
 229               _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_OPEN, MFT_STRING, "&Open", MFS_ENABLED);
 230               _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_EXPLORE, MFT_STRING, "&Explore", MFS_ENABLED|MFS_DEFAULT);
 231             }
 232             else
 233             {
 234               _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_EXPLORE, MFT_STRING, "&Explore", MFS_ENABLED|MFS_DEFAULT);
 235               _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_OPEN, MFT_STRING, "&Open", MFS_ENABLED);
 236             }
 237           }
 238           else
 239           {
 240             _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_OPEN, MFT_STRING, "&Select", MFS_ENABLED|MFS_DEFAULT);
 241           }
 242           _InsertMenuItem(hmenu, indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
 243           _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_COPY, MFT_STRING, "&Copy", MFS_ENABLED);
 244           _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_CUT, MFT_STRING, "&Cut", MFS_ENABLED);
 245
 246           _InsertMenuItem(hmenu, indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
 247           _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_DELETE, MFT_STRING, "&Delete", MFS_ENABLED);
 248
 249           if(uFlags & CMF_CANRENAME)
 250             _InsertMenuItem(hmenu, indexMenu++, TRUE, FCIDM_SHVIEW_RENAME, MFT_STRING, "&Rename", ISvItemCm_CanRenameItems(This) ? MFS_ENABLED : MFS_DISABLED);
 251
 252           return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (FCIDM_SHVIEWLAST));
 253         }
 254         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 255 }
 256
 257 /**************************************************************************
 258 * DoOpenExplore
 259 *
 260 *  for folders only
 261 */
 262
 263 static void DoOpenExplore(
 264         IContextMenu *iface,
 265         HWND hwnd,
 266         LPCSTR verb)
 267 {
 268         ICOM_THIS(ItemCmImpl, iface);
 269
 270         UINT i, bFolderFound = FALSE;
 271         LPITEMIDLIST    pidlFQ;
 272         SHELLEXECUTEINFOA       sei;
 273
 274         /* Find the first item in the list that is not a value. These commands
 275             should never be invoked if there isn't at least one folder item in the list.*/
 276
 277         for(i = 0; i<This->cidl; i++)
 278         {
 279           if(!_ILIsValue(This->apidl[i]))
 280           {
 281             bFolderFound = TRUE;
 282             break;
 283           }
 284         }
 285
 286         if (!bFolderFound) return;
 287
 288         pidlFQ = ILCombine(This->pidl, This->apidl[i]);
 289
 290         ZeroMemory(&sei, sizeof(sei));
 291         sei.cbSize = sizeof(sei);
 292         sei.fMask = SEE_MASK_IDLIST | SEE_MASK_CLASSNAME;
 293         sei.lpIDList = pidlFQ;
 294         sei.lpClass = "folder";
 295         sei.hwnd = hwnd;
 296         sei.nShow = SW_SHOWNORMAL;
 297         sei.lpVerb = verb;
 298         ShellExecuteExA(&sei);
 299         SHFree(pidlFQ);
 300 }
 301
 302 /**************************************************************************
 303 * DoRename
 304 */
 305 static void DoRename(
 306         IContextMenu *iface,
 307         HWND hwnd)
 308 {
 309         ICOM_THIS(ItemCmImpl, iface);
 310
 311         LPSHELLBROWSER  lpSB;
 312         LPSHELLVIEW     lpSV;
 313
 314         TRACE("(%p)->(wnd=%p)\n",This, hwnd);
 315
 316         /* get the active IShellView */
 317         if ((lpSB = (LPSHELLBROWSER)SendMessageA(hwnd, CWM_GETISHELLBROWSER,0,0)))
 318         {
 319           if(SUCCEEDED(IShellBrowser_QueryActiveShellView(lpSB, &lpSV)))
 320           {
 321             TRACE("(sv=%p)\n",lpSV);
 322             IShellView_SelectItem(lpSV, This->apidl[0],
 323               SVSI_DESELECTOTHERS|SVSI_EDIT|SVSI_ENSUREVISIBLE|SVSI_FOCUSED|SVSI_SELECT);
 324             IShellView_Release(lpSV);
 325           }
 326         }
 327 }
 328
 329 /**************************************************************************
 330  * DoDelete
 331  *
 332  * deletes the currently selected items
 333  */
 334 static void DoDelete(IContextMenu *iface)
 335 {
 336         ICOM_THIS(ItemCmImpl, iface);
 337         ISFHelper * psfhlp;
 338
 339         IShellFolder_QueryInterface(This->pSFParent, &IID_ISFHelper, (LPVOID*)&psfhlp);
 340         if (psfhlp)
 341         {
 342           ISFHelper_DeleteItems(psfhlp, This->cidl, This->apidl);
 343           ISFHelper_Release(psfhlp);
 344         }
 345 }
 346
 347 /**************************************************************************
 348  * DoCopyOrCut
 349  *
 350  * copies the currently selected items into the clipboard
 351  */
 352 static BOOL DoCopyOrCut(
 353         IContextMenu *iface,
 354         HWND hwnd,
 355         BOOL bCut)
 356 {
 357         ICOM_THIS(ItemCmImpl, iface);
 358
 359         LPSHELLBROWSER  lpSB;
 360         LPSHELLVIEW     lpSV;
 361         LPDATAOBJECT    lpDo;
 362
 363         TRACE("(%p)->(wnd=%p,bCut=0x%08x)\n",This, hwnd, bCut);
 364
 365         if(GetShellOle())
 366         {
 367           /* get the active IShellView */
 368           if ((lpSB = (LPSHELLBROWSER)SendMessageA(hwnd, CWM_GETISHELLBROWSER,0,0)))
 369           {
 370             if (SUCCEEDED(IShellBrowser_QueryActiveShellView(lpSB, &lpSV)))
 371             {
 372               if (SUCCEEDED(IShellView_GetItemObject(lpSV, SVGIO_SELECTION, &IID_IDataObject, (LPVOID*)&lpDo)))
 373               {
 374                 pOleSetClipboard(lpDo);
 375                 IDataObject_Release(lpDo);
 376               }
 377               IShellView_Release(lpSV);
 378             }
 379           }
 380         }
 381         return TRUE;
 382 #if 0
 383 /*
 384   the following code does the copy operation witout ole32.dll
 385   we might need this possibility too (js)
 386 */
 387         BOOL bSuccess = FALSE;
 388
 389         TRACE("(%p)\n", iface);
 390
 391         if(OpenClipboard(NULL))
 392         {
 393           if(EmptyClipboard())
 394           {
 395             IPersistFolder2 * ppf2;
 396             IShellFolder_QueryInterface(This->pSFParent, &IID_IPersistFolder2, (LPVOID*)&ppf2);
 397             if (ppf2)
 398             {
 399               LPITEMIDLIST pidl;
 400               IPersistFolder2_GetCurFolder(ppf2, &pidl);
 401               if(pidl)
 402               {
 403                 HGLOBAL hMem;
 404
 405                 hMem = RenderHDROP(pidl, This->apidl, This->cidl);
 406
 407                 if(SetClipboardData(CF_HDROP, hMem))
 408                 {
 409                   bSuccess = TRUE;
 410                 }
 411                 SHFree(pidl);
 412               }
 413               IPersistFolder2_Release(ppf2);
 414             }
 415
 416           }
 417           CloseClipboard();
 418         }
 419         return bSuccess;
 420 #endif
 421 }
 422 /**************************************************************************
 423 * ISvItemCm_fnInvokeCommand()
 424 */
 425 static HRESULT WINAPI ISvItemCm_fnInvokeCommand(
 426         IContextMenu *iface,
 427         LPCMINVOKECOMMANDINFO lpcmi)
 428 {
 429     ICOM_THIS(ItemCmImpl, iface);
 430
 431     if (lpcmi->cbSize != sizeof(CMINVOKECOMMANDINFO))
 432         FIXME("Is an EX structure\n");
 433
 434     TRACE("(%p)->(invcom=%p verb=%p wnd=%p)\n",This,lpcmi,lpcmi->lpVerb, lpcmi->hwnd);
 435
 436     if( HIWORD(lpcmi->lpVerb)==0 && LOWORD(lpcmi->lpVerb) > FCIDM_SHVIEWLAST)
 437     {
 438         TRACE("Invalid Verb %x\n",LOWORD(lpcmi->lpVerb));
 439         return E_INVALIDARG;
 440     }
 441
 442     if (HIWORD(lpcmi->lpVerb) == 0)
 443     {
 444         switch(LOWORD(lpcmi->lpVerb))
 445         {
 446         case FCIDM_SHVIEW_EXPLORE:
 447             TRACE("Verb FCIDM_SHVIEW_EXPLORE\n");
 448             DoOpenExplore(iface, lpcmi->hwnd, "explore");
 449             break;
 450         case FCIDM_SHVIEW_OPEN:
 451             TRACE("Verb FCIDM_SHVIEW_OPEN\n");
 452             DoOpenExplore(iface, lpcmi->hwnd, "open");
 453             break;
 454         case FCIDM_SHVIEW_RENAME:
 455             TRACE("Verb FCIDM_SHVIEW_RENAME\n");
 456             DoRename(iface, lpcmi->hwnd);
 457             break;
 458         case FCIDM_SHVIEW_DELETE:
 459             TRACE("Verb FCIDM_SHVIEW_DELETE\n");
 460             DoDelete(iface);
 461             break;
 462         case FCIDM_SHVIEW_COPY:
 463             TRACE("Verb FCIDM_SHVIEW_COPY\n");
 464             DoCopyOrCut(iface, lpcmi->hwnd, FALSE);
 465             break;
 466         case FCIDM_SHVIEW_CUT:
 467             TRACE("Verb FCIDM_SHVIEW_CUT\n");
 468             DoCopyOrCut(iface, lpcmi->hwnd, TRUE);
 469             break;
 470         default:
 471             FIXME("Unhandled Verb %xl\n",LOWORD(lpcmi->lpVerb));
 472         }
 473     }
 474     else
 475     {
 476         TRACE("Verb is %s\n",debugstr_a(lpcmi->lpVerb));
 477         if (strcmp(lpcmi->lpVerb,"delete")==0)
 478             DoDelete(iface);
 479         else
 480             FIXME("Unhandled string verb %s\n",debugstr_a(lpcmi->lpVerb));
 481     }
 482     return NOERROR;
 483 }
 484
 485 /**************************************************************************
 486 *  ISvItemCm_fnGetCommandString()
 487 */
 488 static HRESULT WINAPI ISvItemCm_fnGetCommandString(
 489         IContextMenu *iface,
 490         UINT idCommand,
 491         UINT uFlags,
 492         UINT* lpReserved,
 493         LPSTR lpszName,
 494         UINT uMaxNameLen)
 495 {
 496         ICOM_THIS(ItemCmImpl, iface);
 497
 498         HRESULT  hr = E_INVALIDARG;
 499
 500         TRACE("(%p)->(idcom=%x flags=%x %p name=%p len=%x)\n",This, idCommand, uFlags, lpReserved, lpszName, uMaxNameLen);
 501
 502         switch(uFlags)
 503         {
 504           case GCS_HELPTEXT:
 505             hr = E_NOTIMPL;
 506             break;
 507
 508           case GCS_VERBA:
 509             switch(idCommand)
 510             {
 511               case FCIDM_SHVIEW_RENAME:
 512                 strcpy((LPSTR)lpszName, "rename");
 513                 hr = NOERROR;
 514                 break;
 515             }
 516             break;
 517
 518              /* NT 4.0 with IE 3.0x or no IE will always call This with GCS_VERBW. In This
 519              case, you need to do the lstrcpyW to the pointer passed.*/
 520           case GCS_VERBW:
 521             switch(idCommand)
 522             { case FCIDM_SHVIEW_RENAME:
 523                 MultiByteToWideChar( CP_ACP, 0, "rename", -1, (LPWSTR)lpszName, uMaxNameLen );
 524                 hr = NOERROR;
 525                 break;
 526             }
 527             break;
 528
 529           case GCS_VALIDATE:
 530             hr = NOERROR;
 531             break;
 532         }
 533         TRACE("-- (%p)->(name=%s)\n",This, lpszName);
 534         return hr;
 535 }
 536
 537 /**************************************************************************
 538 * ISvItemCm_fnHandleMenuMsg()
 539 * NOTES
 540 *  should be only in IContextMenu2 and IContextMenu3
 541 *  is nevertheless called from word95
 542 */
 543 static HRESULT WINAPI ISvItemCm_fnHandleMenuMsg(
 544         IContextMenu *iface,
 545         UINT uMsg,
 546         WPARAM wParam,
 547         LPARAM lParam)
 548 {
 549         ICOM_THIS(ItemCmImpl, iface);
 550
 551         TRACE("(%p)->(msg=%x wp=%x lp=%lx)\n",This, uMsg, wParam, lParam);
 552
 553         return E_NOTIMPL;
 554 }
 555
 556 static struct ICOM_VTABLE(IContextMenu) cmvt =
 557 {
 558         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 559         ISvItemCm_fnQueryInterface,
 560         ISvItemCm_fnAddRef,
 561         ISvItemCm_fnRelease,
 562         ISvItemCm_fnQueryContextMenu,
 563         ISvItemCm_fnInvokeCommand,
 564         ISvItemCm_fnGetCommandString,
 565         ISvItemCm_fnHandleMenuMsg,
 566         (void *) 0xdeadbabe     /* just paranoia */
 567 };