dlls/shell32/shv_bg_cmenu.c

   1 /*
   2  *      IContextMenu
   3  *      ShellView Background Context Menu (shv_bg_cm)
   4  *
   5  *      Copyright 1999  Juergen Schmied <juergen.schmied@metronet.de>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 #include <string.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26
  27 #include "wine/debug.h"
  28
  29 #include "windef.h"
  30 #include "wingdi.h"
  31 #include "pidl.h"
  32 #include "shlobj.h"
  33
  34 #include "shell32_main.h"
  35 #include "shellfolder.h"
  36 #include "undocshell.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  39
  40 /**************************************************************************
  41 *  IContextMenu Implementation
  42 */
  43 typedef struct
  44 {
  45         const IContextMenu2Vtbl *lpVtbl;
  46         IShellFolder*   pSFParent;
  47         LONG            ref;
  48         BOOL            bDesktop;
  49 } BgCmImpl;
  50
  51
  52 static const IContextMenu2Vtbl cmvt;
  53
  54 /**************************************************************************
  55 *   ISVBgCm_Constructor()
  56 */
  57 IContextMenu2 *ISvBgCm_Constructor(IShellFolder* pSFParent, BOOL bDesktop)
  58 {
  59         BgCmImpl* cm;
  60
  61         cm = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(BgCmImpl));
  62         cm->lpVtbl = &cmvt;
  63         cm->ref = 1;
  64         cm->pSFParent = pSFParent;
  65         cm->bDesktop = bDesktop;
  66         if(pSFParent) IShellFolder_AddRef(pSFParent);
  67
  68         TRACE("(%p)->()\n",cm);
  69         return (IContextMenu2*)cm;
  70 }
  71
  72 /**************************************************************************
  73 *  ISVBgCm_fnQueryInterface
  74 */
  75 static HRESULT WINAPI ISVBgCm_fnQueryInterface(IContextMenu2 *iface, REFIID riid, LPVOID *ppvObj)
  76 {
  77         BgCmImpl *This = (BgCmImpl *)iface;
  78
  79         TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
  80
  81         *ppvObj = NULL;
  82
  83         if(IsEqualIID(riid, &IID_IUnknown) ||
  84            IsEqualIID(riid, &IID_IContextMenu) ||
  85            IsEqualIID(riid, &IID_IContextMenu2))
  86         {
  87           *ppvObj = This;
  88         }
  89         else if(IsEqualIID(riid, &IID_IShellExtInit))  /*IShellExtInit*/
  90         {
  91           FIXME("-- LPSHELLEXTINIT pointer requested\n");
  92         }
  93
  94         if(*ppvObj)
  95         {
  96           IUnknown_AddRef((IUnknown*)*ppvObj);
  97           TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
  98           return S_OK;
  99         }
 100         TRACE("-- Interface: E_NOINTERFACE\n");
 101         return E_NOINTERFACE;
 102 }
 103
 104 /**************************************************************************
 105 *  ISVBgCm_fnAddRef
 106 */
 107 static ULONG WINAPI ISVBgCm_fnAddRef(IContextMenu2 *iface)
 108 {
 109         BgCmImpl *This = (BgCmImpl *)iface;
 110         ULONG refCount = InterlockedIncrement(&This->ref);
 111
 112         TRACE("(%p)->(count=%u)\n", This, refCount - 1);
 113
 114         return refCount;
 115 }
 116
 117 /**************************************************************************
 118 *  ISVBgCm_fnRelease
 119 */
 120 static ULONG WINAPI ISVBgCm_fnRelease(IContextMenu2 *iface)
 121 {
 122         BgCmImpl *This = (BgCmImpl *)iface;
 123         ULONG refCount = InterlockedDecrement(&This->ref);
 124
 125         TRACE("(%p)->(count=%i)\n", This, refCount + 1);
 126
 127         if (!refCount)
 128         {
 129           TRACE(" destroying IContextMenu(%p)\n",This);
 130
 131           if(This->pSFParent)
 132             IShellFolder_Release(This->pSFParent);
 133
 134           HeapFree(GetProcessHeap(),0,This);
 135         }
 136         return refCount;
 137 }
 138
 139 /**************************************************************************
 140 * ISVBgCm_fnQueryContextMenu()
 141 */
 142
 143 static HRESULT WINAPI ISVBgCm_fnQueryContextMenu(
 144         IContextMenu2 *iface,
 145         HMENU hMenu,
 146         UINT indexMenu,
 147         UINT idCmdFirst,
 148         UINT idCmdLast,
 149         UINT uFlags)
 150 {
 151     HMENU       hMyMenu;
 152     UINT        idMax;
 153     HRESULT hr;
 154
 155     BgCmImpl *This = (BgCmImpl *)iface;
 156
 157     TRACE("(%p)->(hmenu=%p indexmenu=%x cmdfirst=%x cmdlast=%x flags=%x )\n",
 158           This, hMenu, indexMenu, idCmdFirst, idCmdLast, uFlags);
 159
 160
 161     hMyMenu = LoadMenuA(shell32_hInstance, "MENU_002");
 162     if (uFlags & CMF_DEFAULTONLY)
 163     {
 164         HMENU ourMenu = GetSubMenu(hMyMenu,0);
 165         UINT oldDef = GetMenuDefaultItem(hMenu,TRUE,GMDI_USEDISABLED);
 166         UINT newDef = GetMenuDefaultItem(ourMenu,TRUE,GMDI_USEDISABLED);
 167         if (newDef != oldDef)
 168             SetMenuDefaultItem(hMenu,newDef,TRUE);
 169         if (newDef!=0xFFFFFFFF)
 170             hr =  MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, newDef+1);
 171         else
 172             hr =  MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, 0);
 173     }
 174     else
 175     {
 176         idMax = Shell_MergeMenus (hMenu, GetSubMenu(hMyMenu,0), indexMenu,
 177                                   idCmdFirst, idCmdLast, MM_SUBMENUSHAVEIDS);
 178         hr =  MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, idMax-idCmdFirst+1);
 179     }
 180     DestroyMenu(hMyMenu);
 181
 182     TRACE("(%p)->returning 0x%x\n",This,hr);
 183     return hr;
 184 }
 185
 186 /**************************************************************************
 187 * DoNewFolder
 188 */
 189 static void DoNewFolder(
 190         IContextMenu2 *iface,
 191         IShellView *psv)
 192 {
 193         BgCmImpl *This = (BgCmImpl *)iface;
 194         ISFHelper * psfhlp;
 195         WCHAR wszName[MAX_PATH];
 196
 197         IShellFolder_QueryInterface(This->pSFParent, &IID_ISFHelper, (LPVOID*)&psfhlp);
 198         if (psfhlp)
 199         {
 200           LPITEMIDLIST pidl;
 201           ISFHelper_GetUniqueName(psfhlp, wszName, MAX_PATH);
 202           ISFHelper_AddFolder(psfhlp, 0, wszName, &pidl);
 203
 204           if(psv)
 205           {
 206             /* if we are in a shellview do labeledit */
 207             IShellView_SelectItem(psv,
 208                     pidl,(SVSI_DESELECTOTHERS | SVSI_EDIT | SVSI_ENSUREVISIBLE
 209                     |SVSI_FOCUSED|SVSI_SELECT));
 210           }
 211           SHFree(pidl);
 212
 213           ISFHelper_Release(psfhlp);
 214         }
 215 }
 216
 217 /**************************************************************************
 218 * DoPaste
 219 */
 220 static BOOL DoPaste(
 221         IContextMenu2 *iface)
 222 {
 223         BgCmImpl *This = (BgCmImpl *)iface;
 224         BOOL bSuccess = FALSE;
 225         IDataObject * pda;
 226
 227         TRACE("\n");
 228
 229         if(SUCCEEDED(OleGetClipboard(&pda)))
 230         {
 231           STGMEDIUM medium;
 232           FORMATETC formatetc;
 233
 234           TRACE("pda=%p\n", pda);
 235
 236           /* Set the FORMATETC structure*/
 237           InitFormatEtc(formatetc, RegisterClipboardFormatW(CFSTR_SHELLIDLISTW), TYMED_HGLOBAL);
 238
 239           /* Get the pidls from IDataObject */
 240           if(SUCCEEDED(IDataObject_GetData(pda,&formatetc,&medium)))
 241           {
 242             LPITEMIDLIST * apidl;
 243             LPITEMIDLIST pidl;
 244             IShellFolder *psfFrom = NULL, *psfDesktop;
 245
 246             LPIDA lpcida = GlobalLock(medium.u.hGlobal);
 247             TRACE("cida=%p\n", lpcida);
 248
 249             apidl = _ILCopyCidaToaPidl(&pidl, lpcida);
 250
 251             /* bind to the source shellfolder */
 252             SHGetDesktopFolder(&psfDesktop);
 253             if(psfDesktop)
 254             {
 255               IShellFolder_BindToObject(psfDesktop, pidl, NULL, &IID_IShellFolder, (LPVOID*)&psfFrom);
 256               IShellFolder_Release(psfDesktop);
 257             }
 258
 259             if (psfFrom)
 260             {
 261               /* get source and destination shellfolder */
 262               ISFHelper *psfhlpdst, *psfhlpsrc;
 263               IShellFolder_QueryInterface(This->pSFParent, &IID_ISFHelper, (LPVOID*)&psfhlpdst);
 264               IShellFolder_QueryInterface(psfFrom, &IID_ISFHelper, (LPVOID*)&psfhlpsrc);
 265
 266               /* do the copy/move */
 267               if (psfhlpdst && psfhlpsrc)
 268               {
 269                 ISFHelper_CopyItems(psfhlpdst, psfFrom, lpcida->cidl, (LPCITEMIDLIST*)apidl);
 270                 /* FIXME handle move
 271                 ISFHelper_DeleteItems(psfhlpsrc, lpcida->cidl, apidl);
 272                 */
 273               }
 274               if(psfhlpdst) ISFHelper_Release(psfhlpdst);
 275               if(psfhlpsrc) ISFHelper_Release(psfhlpsrc);
 276               IShellFolder_Release(psfFrom);
 277             }
 278
 279             _ILFreeaPidl(apidl, lpcida->cidl);
 280             SHFree(pidl);
 281
 282             /* release the medium*/
 283             ReleaseStgMedium(&medium);
 284           }
 285           IDataObject_Release(pda);
 286         }
 287 #if 0
 288         HGLOBAL  hMem;
 289
 290         OpenClipboard(NULL);
 291         hMem = GetClipboardData(CF_HDROP);
 292
 293         if(hMem)
 294         {
 295           char * pDropFiles = GlobalLock(hMem);
 296           if(pDropFiles)
 297           {
 298             int len, offset = sizeof(DROPFILESTRUCT);
 299
 300             while( pDropFiles[offset] != 0)
 301             {
 302               len = strlen(pDropFiles + offset);
 303               TRACE("%s\n", pDropFiles + offset);
 304               offset += len+1;
 305             }
 306           }
 307           GlobalUnlock(hMem);
 308         }
 309         CloseClipboard();
 310 #endif
 311         return bSuccess;
 312 }
 313
 314 /**************************************************************************
 315 * ISVBgCm_fnInvokeCommand()
 316 */
 317 static HRESULT WINAPI ISVBgCm_fnInvokeCommand(
 318         IContextMenu2 *iface,
 319         LPCMINVOKECOMMANDINFO lpcmi)
 320 {
 321         BgCmImpl *This = (BgCmImpl *)iface;
 322
 323         LPSHELLBROWSER  lpSB;
 324         LPSHELLVIEW lpSV = NULL;
 325         HWND hWndSV = 0;
 326
 327         TRACE("(%p)->(invcom=%p verb=%p wnd=%p)\n",This,lpcmi,lpcmi->lpVerb, lpcmi->hwnd);
 328
 329         /* get the active IShellView */
 330         if((lpSB = (LPSHELLBROWSER)SendMessageA(lpcmi->hwnd, CWM_GETISHELLBROWSER,0,0)))
 331         {
 332           if(SUCCEEDED(IShellBrowser_QueryActiveShellView(lpSB, &lpSV)))
 333           {
 334             IShellView_GetWindow(lpSV, &hWndSV);
 335           }
 336         }
 337
 338           if(HIWORD(lpcmi->lpVerb))
 339           {
 340             TRACE("%s\n",lpcmi->lpVerb);
 341
 342             if (! strcmp(lpcmi->lpVerb,CMDSTR_NEWFOLDERA))
 343             {
 344                 DoNewFolder(iface, lpSV);
 345             }
 346             else if (! strcmp(lpcmi->lpVerb,CMDSTR_VIEWLISTA))
 347             {
 348               if(hWndSV) SendMessageA(hWndSV, WM_COMMAND, MAKEWPARAM(FCIDM_SHVIEW_LISTVIEW,0),0 );
 349             }
 350             else if (! strcmp(lpcmi->lpVerb,CMDSTR_VIEWDETAILSA))
 351             {
 352               if(hWndSV) SendMessageA(hWndSV, WM_COMMAND, MAKEWPARAM(FCIDM_SHVIEW_REPORTVIEW,0),0 );
 353             }
 354             else
 355             {
 356               FIXME("please report: unknown verb %s\n",lpcmi->lpVerb);
 357             }
 358           }
 359           else
 360           {
 361             switch(LOWORD(lpcmi->lpVerb))
 362             {
 363               case FCIDM_SHVIEW_REFRESH:
 364                 if (lpSV) IShellView_Refresh(lpSV);
 365                 break;
 366
 367               case FCIDM_SHVIEW_NEWFOLDER:
 368                 DoNewFolder(iface, lpSV);
 369                 break;
 370
 371               case FCIDM_SHVIEW_INSERT:
 372                 DoPaste(iface);
 373                 break;
 374
 375               case FCIDM_SHVIEW_PROPERTIES:
 376                 if (This->bDesktop) {
 377                     ShellExecuteA(lpcmi->hwnd, "open", "rundll32.exe shell32.dll,Control_RunDLL desk.cpl", NULL, NULL, SW_SHOWNORMAL);
 378                 } else {
 379                     FIXME("launch item properties dialog\n");
 380                 }
 381                 break;
 382
 383               default:
 384                 /* if it's an id just pass it to the parent shv */
 385                 if (hWndSV) SendMessageA(hWndSV, WM_COMMAND, MAKEWPARAM(LOWORD(lpcmi->lpVerb), 0),0 );
 386                 break;
 387             }
 388           }
 389
 390         if (lpSV)
 391           IShellView_Release(lpSV);     /* QueryActiveShellView does AddRef */
 392
 393         return NOERROR;
 394 }
 395
 396 /**************************************************************************
 397  *  ISVBgCm_fnGetCommandString()
 398  *
 399  */
 400 static HRESULT WINAPI ISVBgCm_fnGetCommandString(
 401         IContextMenu2 *iface,
 402         UINT_PTR idCommand,
 403         UINT uFlags,
 404         UINT* lpReserved,
 405         LPSTR lpszName,
 406         UINT uMaxNameLen)
 407 {
 408         BgCmImpl *This = (BgCmImpl *)iface;
 409
 410         TRACE("(%p)->(idcom=%lx flags=%x %p name=%p len=%x)\n",This, idCommand, uFlags, lpReserved, lpszName, uMaxNameLen);
 411
 412         /* test the existence of the menu items, the file dialog enables
 413            the buttons according to this */
 414         if (uFlags == GCS_VALIDATEA)
 415         {
 416           if(HIWORD(idCommand))
 417           {
 418             if (!strcmp((LPSTR)idCommand, CMDSTR_VIEWLISTA) ||
 419                 !strcmp((LPSTR)idCommand, CMDSTR_VIEWDETAILSA) ||
 420                 !strcmp((LPSTR)idCommand, CMDSTR_NEWFOLDERA))
 421             {
 422               return NOERROR;
 423             }
 424           }
 425         }
 426
 427         FIXME("unknown command string\n");
 428         return E_FAIL;
 429 }
 430
 431 /**************************************************************************
 432 * ISVBgCm_fnHandleMenuMsg()
 433 */
 434 static HRESULT WINAPI ISVBgCm_fnHandleMenuMsg(
 435         IContextMenu2 *iface,
 436         UINT uMsg,
 437         WPARAM wParam,
 438         LPARAM lParam)
 439 {
 440         BgCmImpl *This = (BgCmImpl *)iface;
 441
 442         FIXME("(%p)->(msg=%x wp=%lx lp=%lx)\n",This, uMsg, wParam, lParam);
 443
 444         return E_NOTIMPL;
 445 }
 446
 447 /**************************************************************************
 448 * IContextMenu2 VTable
 449 *
 450 */
 451 static const IContextMenu2Vtbl cmvt =
 452 {
 453         ISVBgCm_fnQueryInterface,
 454         ISVBgCm_fnAddRef,
 455         ISVBgCm_fnRelease,
 456         ISVBgCm_fnQueryContextMenu,
 457         ISVBgCm_fnInvokeCommand,
 458         ISVBgCm_fnGetCommandString,
 459         ISVBgCm_fnHandleMenuMsg
 460 };