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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <string.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26
  27 #include "winerror.h"
  28 #include "wine/debug.h"
  29
  30 #include "windef.h"
  31 #include "wingdi.h"
  32 #include "pidl.h"
  33 #include "undocshell.h"
  34 #include "shlobj.h"
  35
  36 #include "shell32_main.h"
  37 #include "shellfolder.h"
  38
  39 #include "shresdef.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  42
  43 /**************************************************************************
  44 *  IContextMenu Implementation
  45 */
  46 typedef struct
  47 {       const IContextMenu2Vtbl *lpVtbl;
  48         LONG            ref;
  49         IShellFolder*   pSFParent;
  50         LPITEMIDLIST    pidl;           /* root pidl */
  51         LPITEMIDLIST    *apidl;         /* array of child pidls */
  52         UINT            cidl;
  53         BOOL            bAllValues;
  54 } ItemCmImpl;
  55
  56
  57 static const IContextMenu2Vtbl cmvt;
  58
  59 /**************************************************************************
  60 * ISvItemCm_CanRenameItems()
  61 */
  62 static BOOL ISvItemCm_CanRenameItems(ItemCmImpl *This)
  63 {       UINT  i;
  64         DWORD dwAttributes;
  65
  66         TRACE("(%p)->()\n",This);
  67
  68         if(This->apidl)
  69         {
  70           for(i = 0; i < This->cidl; i++){}
  71           if(i > 1) return FALSE;               /* can't rename more than one item at a time*/
  72           dwAttributes = SFGAO_CANRENAME;
  73           IShellFolder_GetAttributesOf(This->pSFParent, 1, (LPCITEMIDLIST*)This->apidl, &dwAttributes);
  74           return dwAttributes & SFGAO_CANRENAME;
  75         }
  76         return FALSE;
  77 }
  78
  79 /**************************************************************************
  80 *   ISvItemCm_Constructor()
  81 */
  82 IContextMenu2 *ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, const LPCITEMIDLIST *apidl, UINT cidl)
  83 {       ItemCmImpl* cm;
  84         UINT  u;
  85
  86         cm = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ItemCmImpl));
  87         cm->lpVtbl = &cmvt;
  88         cm->ref = 1;
  89         cm->pidl = ILClone(pidl);
  90         cm->pSFParent = pSFParent;
  91
  92         if(pSFParent) IShellFolder_AddRef(pSFParent);
  93
  94         cm->apidl = _ILCopyaPidl(apidl, cidl);
  95         cm->cidl = cidl;
  96
  97         cm->bAllValues = 1;
  98         for(u = 0; u < cidl; u++)
  99         {
 100           cm->bAllValues &= (_ILIsValue(apidl[u]) ? 1 : 0);
 101         }
 102
 103         TRACE("(%p)->()\n",cm);
 104
 105         return (IContextMenu2*)cm;
 106 }
 107
 108 /**************************************************************************
 109 *  ISvItemCm_fnQueryInterface
 110 */
 111 static HRESULT WINAPI ISvItemCm_fnQueryInterface(IContextMenu2 *iface, REFIID riid, LPVOID *ppvObj)
 112 {
 113         ItemCmImpl *This = (ItemCmImpl *)iface;
 114
 115         TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
 116
 117         *ppvObj = NULL;
 118
 119         if(IsEqualIID(riid, &IID_IUnknown) ||
 120            IsEqualIID(riid, &IID_IContextMenu) ||
 121            IsEqualIID(riid, &IID_IContextMenu2))
 122         {
 123           *ppvObj = This;
 124         }
 125         else if(IsEqualIID(riid, &IID_IShellExtInit))  /*IShellExtInit*/
 126         {
 127           FIXME("-- LPSHELLEXTINIT pointer requested\n");
 128         }
 129
 130         if(*ppvObj)
 131         {
 132           IUnknown_AddRef((IUnknown*)*ppvObj);
 133           TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 134           return S_OK;
 135         }
 136         TRACE("-- Interface: E_NOINTERFACE\n");
 137         return E_NOINTERFACE;
 138 }
 139
 140 /**************************************************************************
 141 *  ISvItemCm_fnAddRef
 142 */
 143 static ULONG WINAPI ISvItemCm_fnAddRef(IContextMenu2 *iface)
 144 {
 145         ItemCmImpl *This = (ItemCmImpl *)iface;
 146         ULONG refCount = InterlockedIncrement(&This->ref);
 147
 148         TRACE("(%p)->(count=%u)\n", This, refCount - 1);
 149
 150         return refCount;
 151 }
 152
 153 /**************************************************************************
 154 *  ISvItemCm_fnRelease
 155 */
 156 static ULONG WINAPI ISvItemCm_fnRelease(IContextMenu2 *iface)
 157 {
 158         ItemCmImpl *This = (ItemCmImpl *)iface;
 159         ULONG refCount = InterlockedDecrement(&This->ref);
 160
 161         TRACE("(%p)->(count=%i)\n", This, refCount + 1);
 162
 163         if (!refCount)
 164         {
 165           TRACE(" destroying IContextMenu(%p)\n",This);
 166
 167           if(This->pSFParent)
 168             IShellFolder_Release(This->pSFParent);
 169
 170           SHFree(This->pidl);
 171
 172           /*make sure the pidl is freed*/
 173           _ILFreeaPidl(This->apidl, This->cidl);
 174
 175           HeapFree(GetProcessHeap(),0,This);
 176         }
 177         return refCount;
 178 }
 179
 180 static void _InsertMenuItemW (
 181         HMENU hmenu,
 182         UINT indexMenu,
 183         BOOL fByPosition,
 184         UINT wID,
 185         UINT fType,
 186         LPWSTR dwTypeData,
 187         UINT fState)
 188 {
 189         MENUITEMINFOW   mii;
 190
 191         mii.cbSize = sizeof(mii);
 192         if (fType == MFT_SEPARATOR)
 193         {
 194           mii.fMask = MIIM_ID | MIIM_TYPE;
 195         }
 196         else
 197         {
 198           mii.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE;
 199           mii.dwTypeData = dwTypeData;
 200           mii.fState = fState;
 201         }
 202         mii.wID = wID;
 203         mii.fType = fType;
 204         InsertMenuItemW( hmenu, indexMenu, fByPosition, &mii);
 205 }
 206
 207 /**************************************************************************
 208 * ISvItemCm_fnQueryContextMenu()
 209 */
 210 static HRESULT WINAPI ISvItemCm_fnQueryContextMenu(
 211         IContextMenu2 *iface,
 212         HMENU hmenu,
 213         UINT indexMenu,
 214         UINT idCmdFirst,
 215         UINT idCmdLast,
 216         UINT uFlags)
 217 {
 218         ItemCmImpl *This = (ItemCmImpl *)iface;
 219
 220         TRACE("(%p)->(hmenu=%p indexmenu=%x cmdfirst=%x cmdlast=%x flags=%x )\n",This, hmenu, indexMenu, idCmdFirst, idCmdLast, uFlags);
 221
 222         if (idCmdFirst != 0)
 223           FIXME("We should use idCmdFirst=%d and idCmdLast=%d for command ids\n", idCmdFirst, idCmdLast);
 224
 225         if(!(CMF_DEFAULTONLY & uFlags) && This->cidl>0)
 226         {
 227           HMENU hmenures = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_SHV_FILE));
 228
 229           if(uFlags & CMF_EXPLORE)
 230             RemoveMenu(hmenures, FCIDM_SHVIEW_OPEN, MF_BYCOMMAND);
 231
 232           Shell_MergeMenus(hmenu, GetSubMenu(hmenures, 0), indexMenu, idCmdFirst, idCmdLast, MM_SUBMENUSHAVEIDS);
 233
 234           DestroyMenu(hmenures);
 235
 236           if(This->bAllValues)
 237           {
 238             MENUITEMINFOW mi;
 239             WCHAR str[255];
 240             mi.cbSize = sizeof(mi);
 241             mi.fMask = MIIM_ID | MIIM_STRING | MIIM_FTYPE;
 242             mi.dwTypeData = str;
 243             mi.cch = 255;
 244             GetMenuItemInfoW(hmenu, FCIDM_SHVIEW_EXPLORE, MF_BYCOMMAND, &mi);
 245             RemoveMenu(hmenu, FCIDM_SHVIEW_EXPLORE, MF_BYCOMMAND);
 246             _InsertMenuItemW(hmenu, (uFlags & CMF_EXPLORE) ? 1 : 2, MF_BYPOSITION, FCIDM_SHVIEW_EXPLORE, MFT_STRING, str, MFS_ENABLED);
 247           }
 248
 249           SetMenuDefaultItem(hmenu, 0, MF_BYPOSITION);
 250
 251           if(uFlags & ~CMF_CANRENAME)
 252             RemoveMenu(hmenu, FCIDM_SHVIEW_RENAME, MF_BYCOMMAND);
 253           else
 254             EnableMenuItem(hmenu, FCIDM_SHVIEW_RENAME, MF_BYCOMMAND | ISvItemCm_CanRenameItems(This) ? MFS_ENABLED : MFS_DISABLED);
 255
 256           return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (FCIDM_SHVIEWLAST));
 257         }
 258         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 259 }
 260
 261 /**************************************************************************
 262 * DoOpenExplore
 263 *
 264 *  for folders only
 265 */
 266
 267 static void DoOpenExplore(
 268         IContextMenu2 *iface,
 269         HWND hwnd,
 270         LPCSTR verb)
 271 {
 272         ItemCmImpl *This = (ItemCmImpl *)iface;
 273
 274         UINT i, bFolderFound = FALSE;
 275         LPITEMIDLIST    pidlFQ;
 276         SHELLEXECUTEINFOA       sei;
 277
 278         /* Find the first item in the list that is not a value. These commands
 279             should never be invoked if there isn't at least one folder item in the list.*/
 280
 281         for(i = 0; i<This->cidl; i++)
 282         {
 283           if(!_ILIsValue(This->apidl[i]))
 284           {
 285             bFolderFound = TRUE;
 286             break;
 287           }
 288         }
 289
 290         if (!bFolderFound) return;
 291
 292         pidlFQ = ILCombine(This->pidl, This->apidl[i]);
 293
 294         ZeroMemory(&sei, sizeof(sei));
 295         sei.cbSize = sizeof(sei);
 296         sei.fMask = SEE_MASK_IDLIST | SEE_MASK_CLASSNAME;
 297         sei.lpIDList = pidlFQ;
 298         sei.lpClass = "Folder";
 299         sei.hwnd = hwnd;
 300         sei.nShow = SW_SHOWNORMAL;
 301         sei.lpVerb = verb;
 302         ShellExecuteExA(&sei);
 303         SHFree(pidlFQ);
 304 }
 305
 306 /**************************************************************************
 307 * DoRename
 308 */
 309 static void DoRename(
 310         IContextMenu2 *iface,
 311         HWND hwnd)
 312 {
 313         ItemCmImpl *This = (ItemCmImpl *)iface;
 314
 315         LPSHELLBROWSER  lpSB;
 316         LPSHELLVIEW     lpSV;
 317
 318         TRACE("(%p)->(wnd=%p)\n",This, hwnd);
 319
 320         /* get the active IShellView */
 321         if ((lpSB = (LPSHELLBROWSER)SendMessageA(hwnd, CWM_GETISHELLBROWSER,0,0)))
 322         {
 323           if(SUCCEEDED(IShellBrowser_QueryActiveShellView(lpSB, &lpSV)))
 324           {
 325             TRACE("(sv=%p)\n",lpSV);
 326             IShellView_SelectItem(lpSV, This->apidl[0],
 327               SVSI_DESELECTOTHERS|SVSI_EDIT|SVSI_ENSUREVISIBLE|SVSI_FOCUSED|SVSI_SELECT);
 328             IShellView_Release(lpSV);
 329           }
 330         }
 331 }
 332
 333 /**************************************************************************
 334  * DoDelete
 335  *
 336  * deletes the currently selected items
 337  */
 338 static void DoDelete(IContextMenu2 *iface)
 339 {
 340         ItemCmImpl *This = (ItemCmImpl *)iface;
 341         ISFHelper * psfhlp;
 342
 343         IShellFolder_QueryInterface(This->pSFParent, &IID_ISFHelper, (LPVOID*)&psfhlp);
 344         if (psfhlp)
 345         {
 346           ISFHelper_DeleteItems(psfhlp, This->cidl, (LPCITEMIDLIST *)This->apidl);
 347           ISFHelper_Release(psfhlp);
 348         }
 349 }
 350
 351 /**************************************************************************
 352  * DoCopyOrCut
 353  *
 354  * copies the currently selected items into the clipboard
 355  */
 356 static BOOL DoCopyOrCut(
 357         IContextMenu2 *iface,
 358         HWND hwnd,
 359         BOOL bCut)
 360 {
 361         ItemCmImpl *This = (ItemCmImpl *)iface;
 362
 363         LPSHELLBROWSER  lpSB;
 364         LPSHELLVIEW     lpSV;
 365         LPDATAOBJECT    lpDo;
 366
 367         TRACE("(%p)->(wnd=%p,bCut=0x%08x)\n",This, hwnd, bCut);
 368
 369         /* get the active IShellView */
 370         if ((lpSB = (LPSHELLBROWSER)SendMessageA(hwnd, CWM_GETISHELLBROWSER,0,0)))
 371         {
 372           if (SUCCEEDED(IShellBrowser_QueryActiveShellView(lpSB, &lpSV)))
 373           {
 374             if (SUCCEEDED(IShellView_GetItemObject(lpSV, SVGIO_SELECTION, &IID_IDataObject, (LPVOID*)&lpDo)))
 375             {
 376               OleSetClipboard(lpDo);
 377               IDataObject_Release(lpDo);
 378             }
 379             IShellView_Release(lpSV);
 380           }
 381         }
 382         return TRUE;
 383 }
 384 /**************************************************************************
 385 * ISvItemCm_fnInvokeCommand()
 386 */
 387 static HRESULT WINAPI ISvItemCm_fnInvokeCommand(
 388         IContextMenu2 *iface,
 389         LPCMINVOKECOMMANDINFO lpcmi)
 390 {
 391     ItemCmImpl *This = (ItemCmImpl *)iface;
 392
 393     if (lpcmi->cbSize != sizeof(CMINVOKECOMMANDINFO))
 394         FIXME("Is an EX structure\n");
 395
 396     TRACE("(%p)->(invcom=%p verb=%p wnd=%p)\n",This,lpcmi,lpcmi->lpVerb, lpcmi->hwnd);
 397
 398     if( HIWORD(lpcmi->lpVerb)==0 && LOWORD(lpcmi->lpVerb) > FCIDM_SHVIEWLAST)
 399     {
 400         TRACE("Invalid Verb %x\n",LOWORD(lpcmi->lpVerb));
 401         return E_INVALIDARG;
 402     }
 403
 404     if (HIWORD(lpcmi->lpVerb) == 0)
 405     {
 406         switch(LOWORD(lpcmi->lpVerb))
 407         {
 408         case FCIDM_SHVIEW_EXPLORE:
 409             TRACE("Verb FCIDM_SHVIEW_EXPLORE\n");
 410             DoOpenExplore(iface, lpcmi->hwnd, "explore");
 411             break;
 412         case FCIDM_SHVIEW_OPEN:
 413             TRACE("Verb FCIDM_SHVIEW_OPEN\n");
 414             DoOpenExplore(iface, lpcmi->hwnd, "open");
 415             break;
 416         case FCIDM_SHVIEW_RENAME:
 417             TRACE("Verb FCIDM_SHVIEW_RENAME\n");
 418             DoRename(iface, lpcmi->hwnd);
 419             break;
 420         case FCIDM_SHVIEW_DELETE:
 421             TRACE("Verb FCIDM_SHVIEW_DELETE\n");
 422             DoDelete(iface);
 423             break;
 424         case FCIDM_SHVIEW_COPY:
 425             TRACE("Verb FCIDM_SHVIEW_COPY\n");
 426             DoCopyOrCut(iface, lpcmi->hwnd, FALSE);
 427             break;
 428         case FCIDM_SHVIEW_CUT:
 429             TRACE("Verb FCIDM_SHVIEW_CUT\n");
 430             DoCopyOrCut(iface, lpcmi->hwnd, TRUE);
 431             break;
 432         default:
 433             FIXME("Unhandled Verb %xl\n",LOWORD(lpcmi->lpVerb));
 434         }
 435     }
 436     else
 437     {
 438         TRACE("Verb is %s\n",debugstr_a(lpcmi->lpVerb));
 439         if (strcmp(lpcmi->lpVerb,"delete")==0)
 440             DoDelete(iface);
 441         else
 442             FIXME("Unhandled string verb %s\n",debugstr_a(lpcmi->lpVerb));
 443     }
 444     return NOERROR;
 445 }
 446
 447 /**************************************************************************
 448 *  ISvItemCm_fnGetCommandString()
 449 */
 450 static HRESULT WINAPI ISvItemCm_fnGetCommandString(
 451         IContextMenu2 *iface,
 452         UINT_PTR idCommand,
 453         UINT uFlags,
 454         UINT* lpReserved,
 455         LPSTR lpszName,
 456         UINT uMaxNameLen)
 457 {
 458         ItemCmImpl *This = (ItemCmImpl *)iface;
 459
 460         HRESULT  hr = E_INVALIDARG;
 461
 462         TRACE("(%p)->(idcom=%lx flags=%x %p name=%p len=%x)\n",This, idCommand, uFlags, lpReserved, lpszName, uMaxNameLen);
 463
 464         switch(uFlags)
 465         {
 466           case GCS_HELPTEXTA:
 467           case GCS_HELPTEXTW:
 468             hr = E_NOTIMPL;
 469             break;
 470
 471           case GCS_VERBA:
 472             switch(idCommand)
 473             {
 474               case FCIDM_SHVIEW_RENAME:
 475                 strcpy(lpszName, "rename");
 476                 hr = NOERROR;
 477                 break;
 478             }
 479             break;
 480
 481              /* NT 4.0 with IE 3.0x or no IE will always call This with GCS_VERBW. In This
 482              case, you need to do the lstrcpyW to the pointer passed.*/
 483           case GCS_VERBW:
 484             switch(idCommand)
 485             { case FCIDM_SHVIEW_RENAME:
 486                 MultiByteToWideChar( CP_ACP, 0, "rename", -1, (LPWSTR)lpszName, uMaxNameLen );
 487                 hr = NOERROR;
 488                 break;
 489             }
 490             break;
 491
 492           case GCS_VALIDATEA:
 493           case GCS_VALIDATEW:
 494             hr = NOERROR;
 495             break;
 496         }
 497         TRACE("-- (%p)->(name=%s)\n",This, lpszName);
 498         return hr;
 499 }
 500
 501 /**************************************************************************
 502 * ISvItemCm_fnHandleMenuMsg()
 503 * NOTES
 504 *  should be only in IContextMenu2 and IContextMenu3
 505 *  is nevertheless called from word95
 506 */
 507 static HRESULT WINAPI ISvItemCm_fnHandleMenuMsg(
 508         IContextMenu2 *iface,
 509         UINT uMsg,
 510         WPARAM wParam,
 511         LPARAM lParam)
 512 {
 513         ItemCmImpl *This = (ItemCmImpl *)iface;
 514
 515         TRACE("(%p)->(msg=%x wp=%lx lp=%lx)\n",This, uMsg, wParam, lParam);
 516
 517         return E_NOTIMPL;
 518 }
 519
 520 static const IContextMenu2Vtbl cmvt =
 521 {
 522         ISvItemCm_fnQueryInterface,
 523         ISvItemCm_fnAddRef,
 524         ISvItemCm_fnRelease,
 525         ISvItemCm_fnQueryContextMenu,
 526         ISvItemCm_fnInvokeCommand,
 527         ISvItemCm_fnGetCommandString,
 528         ISvItemCm_fnHandleMenuMsg
 529 };