programs/explorer/explorer.c

   1 /*
   2  * explorer.exe
   3  *
   4  * Copyright 2004 CodeWeavers, Mike Hearn
   5  * Copyright 2005,2006 CodeWeavers, Aric Stewart
   6  * Copyright 2011 Jay Yang
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define COBJMACROS
  24
  25 #include "wine/unicode.h"
  26 #include "wine/debug.h"
  27 #include "explorer_private.h"
  28 #include "resource.h"
  29
  30 #include <initguid.h>
  31 #include <windows.h>
  32 #include <shellapi.h>
  33 #include <shobjidl.h>
  34 #include <shlobj.h>
  35 #include <shlwapi.h>
  36 #include <commoncontrols.h>
  37 #include <commctrl.h>
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(explorer);
  40
  41 #define EXPLORER_INFO_INDEX 0
  42
  43 #define NAV_TOOLBAR_HEIGHT 30
  44 #define PATHBOX_HEIGHT 24
  45
  46 #define DEFAULT_WIDTH 640
  47 #define DEFAULT_HEIGHT 480
  48
  49
  50 static const WCHAR EXPLORER_CLASS[] = {'W','I','N','E','_','E','X','P','L','O','R','E','R','\0'};
  51 static const WCHAR PATH_BOX_NAME[] = {'\0'};
  52
  53 HINSTANCE explorer_hInstance;
  54
  55 typedef struct parametersTAG {
  56     BOOL    explorer_mode;
  57     WCHAR   root[MAX_PATH];
  58     WCHAR   selection[MAX_PATH];
  59 } parameters_struct;
  60
  61 typedef struct
  62 {
  63     IExplorerBrowser *browser;
  64     HWND main_window,path_box;
  65     INT rebar_height;
  66     LPITEMIDLIST pidl;
  67     IImageList *icon_list;
  68     DWORD advise_cookie;
  69 } explorer_info;
  70
  71 enum
  72 {
  73     BACK_BUTTON,FORWARD_BUTTON,UP_BUTTON
  74 };
  75
  76 typedef struct
  77 {
  78     IExplorerBrowserEvents IExplorerBrowserEvents_iface;
  79     explorer_info* info;
  80     LONG ref;
  81 } IExplorerBrowserEventsImpl;
  82
  83 static IExplorerBrowserEventsImpl *impl_from_IExplorerBrowserEvents(IExplorerBrowserEvents *iface)
  84 {
  85     return CONTAINING_RECORD(iface, IExplorerBrowserEventsImpl, IExplorerBrowserEvents_iface);
  86 }
  87
  88 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnQueryInterface(IExplorerBrowserEvents *iface, REFIID riid, void **ppvObject)
  89 {
  90     return E_NOINTERFACE;
  91 }
  92
  93 static ULONG WINAPI IExplorerBrowserEventsImpl_fnAddRef(IExplorerBrowserEvents *iface)
  94 {
  95     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
  96     return InterlockedIncrement(&This->ref);
  97 }
  98
  99 static ULONG WINAPI IExplorerBrowserEventsImpl_fnRelease(IExplorerBrowserEvents *iface)
 100 {
 101     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 102     ULONG ref = InterlockedDecrement(&This->ref);
 103     if(!ref)
 104         HeapFree(GetProcessHeap(),0,This);
 105     return ref;
 106 }
 107
 108 static BOOL create_combobox_item(IShellFolder *folder, LPCITEMIDLIST pidl, IImageList *icon_list, COMBOBOXEXITEMW *item)
 109 {
 110     STRRET strret;
 111     HRESULT hres;
 112     IExtractIconW *extract_icon;
 113     UINT reserved;
 114     WCHAR icon_file[MAX_PATH];
 115     INT icon_index;
 116     UINT icon_flags;
 117     HICON icon;
 118     strret.uType=STRRET_WSTR;
 119     hres = IShellFolder_GetDisplayNameOf(folder,pidl,SHGDN_FORADDRESSBAR,&strret);
 120     if(SUCCEEDED(hres))
 121         hres = StrRetToStrW(&strret, pidl, &item->pszText);
 122     if(FAILED(hres))
 123     {
 124         WINE_WARN("Could not get name for pidl\n");
 125         return FALSE;
 126     }
 127     hres = IShellFolder_GetUIObjectOf(folder,NULL,1,&pidl,&IID_IExtractIconW,
 128                                       &reserved,(void**)&extract_icon);
 129     if(SUCCEEDED(hres))
 130     {
 131         item->mask |= CBEIF_IMAGE;
 132         IExtractIconW_GetIconLocation(extract_icon,GIL_FORSHELL,icon_file,
 133                                       sizeof(icon_file)/sizeof(WCHAR),
 134                                       &icon_index,&icon_flags);
 135         IExtractIconW_Extract(extract_icon,icon_file,icon_index,NULL,&icon,20);
 136         item->iImage = ImageList_AddIcon((HIMAGELIST)icon_list,icon);
 137         IExtractIconW_Release(extract_icon);
 138     }
 139     else
 140     {
 141         item->mask &= ~CBEIF_IMAGE;
 142         WINE_WARN("Could not get an icon for %s\n",wine_dbgstr_w(item->pszText));
 143     }
 144     return TRUE;
 145 }
 146
 147 static void update_path_box(explorer_info *info)
 148 {
 149     COMBOBOXEXITEMW item;
 150     COMBOBOXEXITEMW main_item;
 151     IShellFolder *desktop;
 152     IPersistFolder2 *persist;
 153     LPITEMIDLIST desktop_pidl;
 154     IEnumIDList *ids;
 155
 156     ImageList_Remove((HIMAGELIST)info->icon_list,-1);
 157     SendMessageW(info->path_box,CB_RESETCONTENT,0,0);
 158     SHGetDesktopFolder(&desktop);
 159     IShellFolder_QueryInterface(desktop,&IID_IPersistFolder2,(void**)&persist);
 160     IPersistFolder2_GetCurFolder(persist,&desktop_pidl);
 161     IPersistFolder2_Release(persist);
 162     persist = NULL;
 163     /*Add Desktop*/
 164     item.iItem = -1;
 165     item.mask = CBEIF_TEXT | CBEIF_INDENT | CBEIF_LPARAM;
 166     item.iIndent = 0;
 167     create_combobox_item(desktop,desktop_pidl,info->icon_list,&item);
 168     item.lParam = (LPARAM)desktop_pidl;
 169     SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 170     if(ILIsEqual(info->pidl,desktop_pidl))
 171         main_item = item;
 172     else
 173         CoTaskMemFree(item.pszText);
 174     /*Add all direct subfolders of Desktop*/
 175     if(SUCCEEDED(IShellFolder_EnumObjects(desktop,NULL,SHCONTF_FOLDERS,&ids))
 176        && ids!=NULL)
 177     {
 178         LPITEMIDLIST curr_pidl=NULL;
 179         HRESULT hres;
 180
 181         item.iIndent = 1;
 182         while(1)
 183         {
 184             ILFree(curr_pidl);
 185             curr_pidl=NULL;
 186             hres = IEnumIDList_Next(ids,1,&curr_pidl,NULL);
 187             if(FAILED(hres) || hres == S_FALSE)
 188                 break;
 189             if(!create_combobox_item(desktop,curr_pidl,info->icon_list,&item))
 190                 WINE_WARN("Could not create a combobox item\n");
 191             else
 192             {
 193                 LPITEMIDLIST full_pidl = ILCombine(desktop_pidl,curr_pidl);
 194                 item.lParam = (LPARAM)full_pidl;
 195                 SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 196                 if(ILIsEqual(full_pidl,info->pidl))
 197                     main_item = item;
 198                 else if(ILIsParent(full_pidl,info->pidl,FALSE))
 199                 {
 200                     /*add all parents of the pidl passed in*/
 201                     LPITEMIDLIST next_pidl = ILFindChild(full_pidl,info->pidl);
 202                     IShellFolder *curr_folder = NULL, *temp;
 203                     hres = IShellFolder_BindToObject(desktop,curr_pidl,NULL,
 204                                                      &IID_IShellFolder,
 205                                                      (void**)&curr_folder);
 206                     if(FAILED(hres))
 207                         WINE_WARN("Could not get an IShellFolder\n");
 208                     while(!ILIsEmpty(next_pidl))
 209                     {
 210                         LPITEMIDLIST first = ILCloneFirst(next_pidl);
 211                         CoTaskMemFree(item.pszText);
 212                         if(!create_combobox_item(curr_folder,first,
 213                                                  info->icon_list,&item))
 214                         {
 215                             WINE_WARN("Could not create a combobox item\n");
 216                             break;
 217                         }
 218                         ++item.iIndent;
 219                         full_pidl = ILCombine(full_pidl,first);
 220                         item.lParam = (LPARAM)full_pidl;
 221                         SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 222                         temp=NULL;
 223                         hres = IShellFolder_BindToObject(curr_folder,first,NULL,
 224                                                          &IID_IShellFolder,
 225                                                          (void**)&temp);
 226                         if(FAILED(hres))
 227                         {
 228                             WINE_WARN("Could not get an IShellFolder\n");
 229                             break;
 230                         }
 231                         IShellFolder_Release(curr_folder);
 232                         curr_folder = temp;
 233
 234                         ILFree(first);
 235                         next_pidl = ILGetNext(next_pidl);
 236                     }
 237                     memcpy(&main_item,&item,sizeof(item));
 238                     if(curr_folder)
 239                         IShellFolder_Release(curr_folder);
 240                     item.iIndent = 1;
 241                 }
 242                 else
 243                     CoTaskMemFree(item.pszText);
 244             }
 245         }
 246         ILFree(curr_pidl);
 247         IEnumIDList_Release(ids);
 248     }
 249     else
 250         WINE_WARN("Could not enumerate the desktop\n");
 251     SendMessageW(info->path_box,CBEM_SETITEMW,0,(LPARAM)&main_item);
 252     CoTaskMemFree(main_item.pszText);
 253 }
 254
 255 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationComplete(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 256 {
 257     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 258     ILFree(This->info->pidl);
 259     This->info->pidl = ILClone(pidl);
 260     update_path_box(This->info);
 261     return S_OK;
 262 }
 263
 264 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationFailed(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 265 {
 266     return S_OK;
 267 }
 268
 269 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationPending(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 270 {
 271     return S_OK;
 272 }
 273
 274 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnViewCreated(IExplorerBrowserEvents *iface, IShellView *psv)
 275 {
 276     return S_OK;
 277 }
 278
 279 static IExplorerBrowserEventsVtbl vt_IExplorerBrowserEvents =
 280 {
 281     IExplorerBrowserEventsImpl_fnQueryInterface,
 282     IExplorerBrowserEventsImpl_fnAddRef,
 283     IExplorerBrowserEventsImpl_fnRelease,
 284     IExplorerBrowserEventsImpl_fnOnNavigationPending,
 285     IExplorerBrowserEventsImpl_fnOnViewCreated,
 286     IExplorerBrowserEventsImpl_fnOnNavigationComplete,
 287     IExplorerBrowserEventsImpl_fnOnNavigationFailed
 288 };
 289
 290 static IExplorerBrowserEvents *make_explorer_events(explorer_info *info)
 291 {
 292     IExplorerBrowserEventsImpl *ret
 293         = HeapAlloc(GetProcessHeap(), 0, sizeof(IExplorerBrowserEventsImpl));
 294     ret->IExplorerBrowserEvents_iface.lpVtbl = &vt_IExplorerBrowserEvents;
 295     ret->info = info;
 296     ret->ref = 1;
 297     SHGetImageList(SHIL_SMALL,&IID_IImageList,(void**)&(ret->info->icon_list));
 298     SendMessageW(info->path_box,CBEM_SETIMAGELIST,0,(LPARAM)ret->info->icon_list);
 299     return &ret->IExplorerBrowserEvents_iface;
 300 }
 301
 302 static void make_explorer_window(IShellFolder* startFolder)
 303 {
 304     RECT explorerRect;
 305     HWND rebar,nav_toolbar;
 306     FOLDERSETTINGS fs;
 307     IExplorerBrowserEvents *events;
 308     explorer_info *info;
 309     HRESULT hres;
 310     WCHAR explorer_title[100];
 311     WCHAR pathbox_label[50];
 312     TBADDBITMAP bitmap_info;
 313     TBBUTTON nav_buttons[3];
 314     int hist_offset,view_offset;
 315     REBARBANDINFOW band_info;
 316     memset(nav_buttons,0,sizeof(nav_buttons));
 317     LoadStringW(explorer_hInstance,IDS_EXPLORER_TITLE,explorer_title,
 318                 sizeof(explorer_title)/sizeof(WCHAR));
 319     LoadStringW(explorer_hInstance,IDS_PATHBOX_LABEL,pathbox_label,
 320                 sizeof(pathbox_label)/sizeof(WCHAR));
 321     info = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(explorer_info));
 322     if(!info)
 323     {
 324         WINE_ERR("Could not allocate an explorer_info struct\n");
 325         return;
 326     }
 327     hres = CoCreateInstance(&CLSID_ExplorerBrowser,NULL,CLSCTX_INPROC_SERVER,
 328                             &IID_IExplorerBrowser,(LPVOID*)&info->browser);
 329     if(FAILED(hres))
 330     {
 331         WINE_ERR("Could not obtain an instance of IExplorerBrowser\n");
 332         HeapFree(GetProcessHeap(),0,info);
 333         return;
 334     }
 335     info->rebar_height=0;
 336     info->main_window
 337         = CreateWindowW(EXPLORER_CLASS,explorer_title,WS_OVERLAPPEDWINDOW,
 338                         CW_USEDEFAULT,CW_USEDEFAULT,DEFAULT_WIDTH,
 339                         DEFAULT_HEIGHT,NULL,NULL,explorer_hInstance,NULL);
 340
 341     fs.ViewMode = FVM_DETAILS;
 342     fs.fFlags = FWF_AUTOARRANGE;
 343     explorerRect.left = 0;
 344     explorerRect.top = 0;
 345     explorerRect.right = DEFAULT_WIDTH;
 346     explorerRect.bottom = DEFAULT_HEIGHT;
 347
 348     IExplorerBrowser_Initialize(info->browser,info->main_window,&explorerRect,&fs);
 349     IExplorerBrowser_SetOptions(info->browser,EBO_SHOWFRAMES);
 350     SetWindowLongPtrW(info->main_window,EXPLORER_INFO_INDEX,(LONG_PTR)info);
 351
 352     /*setup navbar*/
 353     rebar = CreateWindowExW(WS_EX_TOOLWINDOW,REBARCLASSNAMEW,NULL,
 354                             WS_CHILD|WS_VISIBLE|RBS_VARHEIGHT|CCS_TOP|CCS_NODIVIDER,
 355                             0,0,0,0,info->main_window,NULL,explorer_hInstance,NULL);
 356     nav_toolbar
 357         = CreateWindowExW(TBSTYLE_EX_MIXEDBUTTONS,TOOLBARCLASSNAMEW,NULL,
 358                           WS_CHILD|WS_VISIBLE|TBSTYLE_FLAT,0,0,0,0,rebar,NULL,
 359                           explorer_hInstance,NULL);
 360
 361     bitmap_info.hInst = HINST_COMMCTRL;
 362     bitmap_info.nID = IDB_HIST_LARGE_COLOR;
 363     hist_offset= SendMessageW(nav_toolbar,TB_ADDBITMAP,0,(LPARAM)&bitmap_info);
 364     bitmap_info.nID = IDB_VIEW_LARGE_COLOR;
 365     view_offset= SendMessageW(nav_toolbar,TB_ADDBITMAP,0,(LPARAM)&bitmap_info);
 366
 367     nav_buttons[0].iBitmap=hist_offset+HIST_BACK;
 368     nav_buttons[0].idCommand=BACK_BUTTON;
 369     nav_buttons[0].fsState=TBSTATE_ENABLED;
 370     nav_buttons[0].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 371     nav_buttons[1].iBitmap=hist_offset+HIST_FORWARD;
 372     nav_buttons[1].idCommand=FORWARD_BUTTON;
 373     nav_buttons[1].fsState=TBSTATE_ENABLED;
 374     nav_buttons[1].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 375     nav_buttons[2].iBitmap=view_offset+VIEW_PARENTFOLDER;
 376     nav_buttons[2].idCommand=UP_BUTTON;
 377     nav_buttons[2].fsState=TBSTATE_ENABLED;
 378     nav_buttons[2].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 379     SendMessageW(nav_toolbar,TB_BUTTONSTRUCTSIZE,sizeof(TBBUTTON),0);
 380     SendMessageW(nav_toolbar,TB_ADDBUTTONSW,sizeof(nav_buttons)/sizeof(TBBUTTON),(LPARAM)nav_buttons);
 381
 382     band_info.cbSize = sizeof(band_info);
 383     band_info.fMask = RBBIM_STYLE|RBBIM_CHILD|RBBIM_CHILDSIZE|RBBIM_SIZE;
 384     band_info.hwndChild = nav_toolbar;
 385     band_info.fStyle=RBBS_GRIPPERALWAYS|RBBS_CHILDEDGE;
 386     band_info.cyChild=NAV_TOOLBAR_HEIGHT;
 387     band_info.cx=0;
 388     band_info.cyMinChild=NAV_TOOLBAR_HEIGHT;
 389     band_info.cxMinChild=0;
 390     SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
 391     info->path_box = CreateWindowW(WC_COMBOBOXEXW,PATH_BOX_NAME,
 392                                    WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
 393                                    0,0,DEFAULT_WIDTH,PATHBOX_HEIGHT,rebar,NULL,
 394                                    explorer_hInstance,NULL);
 395     band_info.cyChild=PATHBOX_HEIGHT;
 396     band_info.cx=0;
 397     band_info.cyMinChild=PATHBOX_HEIGHT;
 398     band_info.cxMinChild=0;
 399     band_info.fMask|=RBBIM_TEXT;
 400     band_info.lpText=pathbox_label;
 401     band_info.fStyle|=RBBS_BREAK;
 402     band_info.hwndChild=info->path_box;
 403     SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
 404     events = make_explorer_events(info);
 405     IExplorerBrowser_Advise(info->browser,events,&info->advise_cookie);
 406     IExplorerBrowser_BrowseToObject(info->browser,(IUnknown*)startFolder,
 407                                     SBSP_ABSOLUTE);
 408     ShowWindow(info->main_window,SW_SHOWDEFAULT);
 409     UpdateWindow(info->main_window);
 410     IExplorerBrowserEvents_Release(events);
 411 }
 412
 413 static void update_window_size(explorer_info *info, int height, int width)
 414 {
 415     RECT new_rect;
 416     new_rect.left = 0;
 417     new_rect.top = info->rebar_height;
 418     new_rect.right = width;
 419     new_rect.bottom = height;
 420     IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
 421 }
 422
 423 static void do_exit(int code)
 424 {
 425     OleUninitialize();
 426     ExitProcess(code);
 427 }
 428
 429 static LRESULT explorer_on_end_edit(explorer_info *info,NMCBEENDEDITW *edit_info)
 430 {
 431     LPITEMIDLIST pidl = NULL;
 432
 433     WINE_TRACE("iWhy=%x\n",edit_info->iWhy);
 434     switch(edit_info->iWhy)
 435     {
 436     case CBENF_DROPDOWN:
 437         if(edit_info->iNewSelection!=CB_ERR)
 438             pidl = (LPITEMIDLIST)SendMessageW(edit_info->hdr.hwndFrom,
 439                                               CB_GETITEMDATA,
 440                                               edit_info->iNewSelection,0);
 441         break;
 442     case CBENF_RETURN:
 443         {
 444             WCHAR path[MAX_PATH];
 445             HWND edit_ctrl = (HWND)SendMessageW(edit_info->hdr.hwndFrom,
 446                                                 CBEM_GETEDITCONTROL,0,0);
 447             *((WORD*)path)=MAX_PATH;
 448             SendMessageW(edit_ctrl,EM_GETLINE,0,(LPARAM)path);
 449             pidl = ILCreateFromPathW(path);
 450             break;
 451         }
 452     case CBENF_ESCAPE:
 453         /*make sure the that the path box resets*/
 454         update_path_box(info);
 455         return 0;
 456     default:
 457         return 0;
 458     }
 459     if(pidl)
 460         IExplorerBrowser_BrowseToIDList(info->browser,pidl,SBSP_ABSOLUTE);
 461     if(edit_info->iWhy==CBENF_RETURN)
 462         ILFree(pidl);
 463     return 0;
 464 }
 465
 466 static LRESULT update_rebar_size(explorer_info* info,NMRBAUTOSIZE *size_info)
 467 {
 468     RECT new_rect;
 469     RECT window_rect;
 470     info->rebar_height = size_info->rcTarget.bottom-size_info->rcTarget.top;
 471     GetWindowRect(info->main_window,&window_rect);
 472     new_rect.left = 0;
 473     new_rect.top = info->rebar_height;
 474     new_rect.right = window_rect.right-window_rect.left;
 475     new_rect.bottom = window_rect.bottom-window_rect.top;
 476     IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
 477     return 0;
 478 }
 479
 480 static LRESULT explorer_on_notify(explorer_info* info,NMHDR* notification)
 481 {
 482     WINE_TRACE("code=%i\n",notification->code);
 483     switch(notification->code)
 484     {
 485     case CBEN_BEGINEDIT:
 486         {
 487             WCHAR path[MAX_PATH];
 488             HWND edit_ctrl = (HWND)SendMessageW(notification->hwndFrom,
 489                                                 CBEM_GETEDITCONTROL,0,0);
 490             SHGetPathFromIDListW(info->pidl,path);
 491             SetWindowTextW(edit_ctrl,path);
 492             break;
 493         }
 494     case CBEN_ENDEDITA:
 495         {
 496             NMCBEENDEDITA *edit_info_a = (NMCBEENDEDITA*)notification;
 497             NMCBEENDEDITW edit_info_w;
 498             edit_info_w.hdr = edit_info_a->hdr;
 499             edit_info_w.fChanged = edit_info_a->fChanged;
 500             edit_info_w.iNewSelection = edit_info_a->iNewSelection;
 501             MultiByteToWideChar(CP_ACP,0,edit_info_a->szText,-1,
 502                                 edit_info_w.szText,CBEMAXSTRLEN);
 503             edit_info_w.iWhy = edit_info_a->iWhy;
 504             return explorer_on_end_edit(info,&edit_info_w);
 505         }
 506     case CBEN_ENDEDITW:
 507         return explorer_on_end_edit(info,(NMCBEENDEDITW*)notification);
 508     case CBEN_DELETEITEM:
 509         {
 510             NMCOMBOBOXEXW *entry = (NMCOMBOBOXEXW*)notification;
 511             if(entry->ceItem.lParam)
 512                 ILFree((LPITEMIDLIST)entry->ceItem.lParam);
 513             break;
 514         }
 515     case RBN_AUTOSIZE:
 516         return update_rebar_size(info,(NMRBAUTOSIZE*)notification);
 517     default:
 518         break;
 519     }
 520     return 0;
 521 }
 522
 523 static LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 524 {
 525     explorer_info *info
 526         = (explorer_info*)GetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX);
 527     IExplorerBrowser *browser = NULL;
 528
 529     WINE_TRACE("(hwnd=%p,uMsg=%u,wParam=%lx,lParam=%lx)\n",hwnd,uMsg,wParam,lParam);
 530     if(info)
 531         browser = info->browser;
 532     switch(uMsg)
 533     {
 534     case WM_DESTROY:
 535         IExplorerBrowser_Unadvise(browser,info->advise_cookie);
 536         IExplorerBrowser_Destroy(browser);
 537         IExplorerBrowser_Release(browser);
 538         ILFree(info->pidl);
 539         IImageList_Release(info->icon_list);
 540         HeapFree(GetProcessHeap(),0,info);
 541         SetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX,0);
 542         PostQuitMessage(0);
 543         break;
 544     case WM_QUIT:
 545         do_exit(wParam);
 546     case WM_NOTIFY:
 547         return explorer_on_notify(info,(NMHDR*)lParam);
 548     case WM_COMMAND:
 549         if(HIWORD(wParam)==BN_CLICKED)
 550         {
 551             switch(LOWORD(wParam))
 552             {
 553             case BACK_BUTTON:
 554                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_NAVIGATEBACK);
 555                 break;
 556             case FORWARD_BUTTON:
 557                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_NAVIGATEFORWARD);
 558                 break;
 559             case UP_BUTTON:
 560                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_PARENT);
 561                 break;
 562             }
 563         }
 564         break;
 565     case WM_SIZE:
 566         update_window_size(info,HIWORD(lParam),LOWORD(lParam));
 567         break;
 568     default:
 569         return DefWindowProcW(hwnd,uMsg,wParam,lParam);
 570     }
 571     return 0;
 572 }
 573
 574 static void register_explorer_window_class(void)
 575 {
 576     WNDCLASSEXW window_class;
 577     window_class.cbSize = sizeof(WNDCLASSEXW);
 578     window_class.style = 0;
 579     window_class.cbClsExtra = 0;
 580     window_class.cbWndExtra = sizeof(LONG_PTR);
 581     window_class.lpfnWndProc = explorer_wnd_proc;
 582     window_class.hInstance = explorer_hInstance;
 583     window_class.hIcon = NULL;
 584     window_class.hCursor = NULL;
 585     window_class.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
 586     window_class.lpszMenuName = NULL;
 587     window_class.lpszClassName = EXPLORER_CLASS;
 588     window_class.hIconSm = NULL;
 589     RegisterClassExW(&window_class);
 590 }
 591
 592 static IShellFolder* get_starting_shell_folder(parameters_struct* params)
 593 {
 594     IShellFolder* desktop,*folder;
 595     LPITEMIDLIST root_pidl;
 596     HRESULT hres;
 597
 598     SHGetDesktopFolder(&desktop);
 599     if (!params->root[0])
 600     {
 601         return desktop;
 602     }
 603     hres = IShellFolder_ParseDisplayName(desktop,NULL,NULL,
 604                                          params->root,NULL,
 605                                          &root_pidl,NULL);
 606
 607     if(FAILED(hres))
 608     {
 609         return desktop;
 610     }
 611     hres = IShellFolder_BindToObject(desktop,root_pidl,NULL,
 612                                      &IID_IShellFolder,
 613                                      (void**)&folder);
 614     if(FAILED(hres))
 615     {
 616         return desktop;
 617     }
 618     IShellFolder_Release(desktop);
 619     return folder;
 620 }
 621
 622 static int copy_path_string(LPWSTR target, LPWSTR source)
 623 {
 624     INT i = 0;
 625
 626     while (isspaceW(*source)) source++;
 627
 628     if (*source == '\"')
 629     {
 630         source ++;
 631         while (*source != '\"') target[i++] = *source++;
 632         target[i] = 0;
 633         source ++;
 634         i+=2;
 635     }
 636     else
 637     {
 638         while (*source && *source != ',') target[i++] = *source++;
 639         target[i] = 0;
 640     }
 641     PathRemoveBackslashW(target);
 642     return i;
 643 }
 644
 645
 646 static void copy_path_root(LPWSTR root, LPWSTR path)
 647 {
 648     LPWSTR p,p2;
 649     INT i = 0;
 650
 651     p = path;
 652     while (*p!=0)
 653         p++;
 654
 655     while (*p!='\\' && p > path)
 656         p--;
 657
 658     if (p == path)
 659         return;
 660
 661     p2 = path;
 662     while (p2 != p)
 663     {
 664         root[i] = *p2;
 665         i++;
 666         p2++;
 667     }
 668     root[i] = 0;
 669 }
 670
 671 /*
 672  * Command Line parameters are:
 673  * [/n]  Opens in single-paned view for each selected items. This is default
 674  * [/e,] Uses Windows Explorer View
 675  * [/root,object] Specifies the root level of the view
 676  * [/select,object] parent folder is opened and specified object is selected
 677  */
 678 static void parse_command_line(LPWSTR commandline,parameters_struct *parameters)
 679 {
 680     static const WCHAR arg_n[] = {'/','n'};
 681     static const WCHAR arg_e[] = {'/','e',','};
 682     static const WCHAR arg_root[] = {'/','r','o','o','t',','};
 683     static const WCHAR arg_select[] = {'/','s','e','l','e','c','t',','};
 684     static const WCHAR arg_desktop[] = {'/','d','e','s','k','t','o','p'};
 685
 686     LPWSTR p = commandline;
 687
 688     while (*p)
 689     {
 690         while (isspaceW(*p)) p++;
 691         if (strncmpW(p, arg_n, sizeof(arg_n)/sizeof(WCHAR))==0)
 692         {
 693             parameters->explorer_mode = FALSE;
 694             p += sizeof(arg_n)/sizeof(WCHAR);
 695         }
 696         else if (strncmpW(p, arg_e, sizeof(arg_e)/sizeof(WCHAR))==0)
 697         {
 698             parameters->explorer_mode = TRUE;
 699             p += sizeof(arg_e)/sizeof(WCHAR);
 700         }
 701         else if (strncmpW(p, arg_root, sizeof(arg_root)/sizeof(WCHAR))==0)
 702         {
 703             p += sizeof(arg_root)/sizeof(WCHAR);
 704             p+=copy_path_string(parameters->root,p);
 705         }
 706         else if (strncmpW(p, arg_select, sizeof(arg_select)/sizeof(WCHAR))==0)
 707         {
 708             p += sizeof(arg_select)/sizeof(WCHAR);
 709             p+=copy_path_string(parameters->selection,p);
 710             if (!parameters->root[0])
 711                 copy_path_root(parameters->root,
 712                                parameters->selection);
 713         }
 714         else if (strncmpW(p, arg_desktop, sizeof(arg_desktop)/sizeof(WCHAR))==0)
 715         {
 716             p += sizeof(arg_desktop)/sizeof(WCHAR);
 717             manage_desktop( p );  /* the rest of the command line is handled by desktop mode */
 718         }
 719         else
 720         {
 721             /* left over command line is generally the path to be opened */
 722             copy_path_string(parameters->root,p);
 723             break;
 724         }
 725     }
 726 }
 727
 728 int WINAPI wWinMain(HINSTANCE hinstance,
 729                     HINSTANCE previnstance,
 730                     LPWSTR cmdline,
 731                     int cmdshow)
 732 {
 733
 734     parameters_struct   parameters;
 735     HRESULT hres;
 736     MSG msg;
 737     IShellFolder *folder;
 738     INITCOMMONCONTROLSEX init_info;
 739
 740     memset(&parameters,0,sizeof(parameters));
 741     explorer_hInstance = hinstance;
 742     parse_command_line(cmdline,&parameters);
 743     hres = OleInitialize(NULL);
 744     if(FAILED(hres))
 745     {
 746         WINE_ERR("Could not initialize COM\n");
 747         ExitProcess(EXIT_FAILURE);
 748     }
 749     if(parameters.root[0] && !PathIsDirectoryW(parameters.root))
 750         if(ShellExecuteW(NULL,NULL,parameters.root,NULL,NULL,SW_SHOWDEFAULT) > (HINSTANCE)32)
 751             ExitProcess(EXIT_SUCCESS);
 752     init_info.dwSize = sizeof(INITCOMMONCONTROLSEX);
 753     init_info.dwICC = ICC_USEREX_CLASSES | ICC_BAR_CLASSES | ICC_COOL_CLASSES;
 754     if(!InitCommonControlsEx(&init_info))
 755     {
 756         WINE_ERR("Could not initialize Comctl\n");
 757         ExitProcess(EXIT_FAILURE);
 758     }
 759     register_explorer_window_class();
 760     folder = get_starting_shell_folder(&parameters);
 761     make_explorer_window(folder);
 762     IShellFolder_Release(folder);
 763     while(GetMessageW( &msg, NULL, 0, 0 ) != 0)
 764     {
 765             TranslateMessage(&msg);
 766             DispatchMessageW(&msg);
 767     }
 768     return 0;
 769 }