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 #define NONAMELESSUNION
  25
  26 #include "wine/unicode.h"
  27 #include "wine/debug.h"
  28 #include "explorer_private.h"
  29 #include "resource.h"
  30
  31 #include <initguid.h>
  32 #include <windows.h>
  33 #include <shellapi.h>
  34 #include <shobjidl.h>
  35 #include <shlobj.h>
  36 #include <shlwapi.h>
  37 #include <commoncontrols.h>
  38 #include <commctrl.h>
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(explorer);
  41
  42 #define EXPLORER_INFO_INDEX 0
  43
  44 #define NAV_TOOLBAR_HEIGHT 30
  45 #define PATHBOX_HEIGHT 24
  46
  47 #define DEFAULT_WIDTH 640
  48 #define DEFAULT_HEIGHT 480
  49
  50
  51 static const WCHAR EXPLORER_CLASS[] = {'W','I','N','E','_','E','X','P','L','O','R','E','R','\0'};
  52 static const WCHAR PATH_BOX_NAME[] = {'\0'};
  53
  54 HINSTANCE explorer_hInstance;
  55
  56 typedef struct parametersTAG {
  57     BOOL    explorer_mode;
  58     WCHAR   root[MAX_PATH];
  59     WCHAR   selection[MAX_PATH];
  60 } parameters_struct;
  61
  62 typedef struct
  63 {
  64     IExplorerBrowser *browser;
  65     HWND main_window,path_box;
  66     INT rebar_height;
  67     LPITEMIDLIST pidl;
  68     IImageList *icon_list;
  69     DWORD advise_cookie;
  70 } explorer_info;
  71
  72 enum
  73 {
  74     BACK_BUTTON,FORWARD_BUTTON,UP_BUTTON
  75 };
  76
  77 typedef struct
  78 {
  79     IExplorerBrowserEvents IExplorerBrowserEvents_iface;
  80     explorer_info* info;
  81     LONG ref;
  82 } IExplorerBrowserEventsImpl;
  83
  84 static IExplorerBrowserEventsImpl *impl_from_IExplorerBrowserEvents(IExplorerBrowserEvents *iface)
  85 {
  86     return CONTAINING_RECORD(iface, IExplorerBrowserEventsImpl, IExplorerBrowserEvents_iface);
  87 }
  88
  89 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnQueryInterface(IExplorerBrowserEvents *iface, REFIID riid, void **ppvObject)
  90 {
  91     return E_NOINTERFACE;
  92 }
  93
  94 static ULONG WINAPI IExplorerBrowserEventsImpl_fnAddRef(IExplorerBrowserEvents *iface)
  95 {
  96     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
  97     return InterlockedIncrement(&This->ref);
  98 }
  99
 100 static ULONG WINAPI IExplorerBrowserEventsImpl_fnRelease(IExplorerBrowserEvents *iface)
 101 {
 102     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 103     ULONG ref = InterlockedDecrement(&This->ref);
 104     if(!ref)
 105         HeapFree(GetProcessHeap(),0,This);
 106     return ref;
 107 }
 108
 109 static BOOL create_combobox_item(IShellFolder *folder, LPCITEMIDLIST pidl, IImageList *icon_list, COMBOBOXEXITEMW *item)
 110 {
 111     STRRET strret;
 112     HRESULT hres;
 113     IExtractIconW *extract_icon;
 114     UINT reserved;
 115     WCHAR icon_file[MAX_PATH];
 116     INT icon_index;
 117     UINT icon_flags;
 118     HICON icon;
 119     strret.uType=STRRET_WSTR;
 120     hres = IShellFolder_GetDisplayNameOf(folder,pidl,SHGDN_FORADDRESSBAR,&strret);
 121     if(FAILED(hres))
 122     {
 123         WINE_WARN("Could not get name for pidl\n");
 124         return FALSE;
 125     }
 126     switch(strret.uType)
 127     {
 128     case STRRET_WSTR:
 129         item->pszText = strret.u.pOleStr;
 130         break;
 131     default:
 132         WINE_FIXME("Unimplemented STRRET type:%u\n",strret.uType);
 133         break;
 134     }
 135     hres = IShellFolder_GetUIObjectOf(folder,NULL,1,&pidl,&IID_IExtractIconW,
 136                                       &reserved,(void**)&extract_icon);
 137     if(SUCCEEDED(hres))
 138     {
 139         item->mask |= CBEIF_IMAGE;
 140         IExtractIconW_GetIconLocation(extract_icon,GIL_FORSHELL,icon_file,
 141                                       sizeof(icon_file)/sizeof(WCHAR),
 142                                       &icon_index,&icon_flags);
 143         IExtractIconW_Extract(extract_icon,icon_file,icon_index,NULL,&icon,20);
 144         item->iImage = ImageList_AddIcon((HIMAGELIST)icon_list,icon);
 145         IExtractIconW_Release(extract_icon);
 146     }
 147     else
 148     {
 149         item->mask &= ~CBEIF_IMAGE;
 150         WINE_WARN("Could not get an icon for %s\n",wine_dbgstr_w(item->pszText));
 151     }
 152     return TRUE;
 153 }
 154
 155 static void update_path_box(explorer_info *info)
 156 {
 157     COMBOBOXEXITEMW item;
 158     COMBOBOXEXITEMW main_item;
 159     IShellFolder *desktop;
 160     IPersistFolder2 *persist;
 161     LPITEMIDLIST desktop_pidl;
 162     IEnumIDList *ids;
 163
 164     ImageList_Remove((HIMAGELIST)info->icon_list,-1);
 165     SendMessageW(info->path_box,CB_RESETCONTENT,0,0);
 166     SHGetDesktopFolder(&desktop);
 167     IShellFolder_QueryInterface(desktop,&IID_IPersistFolder2,(void**)&persist);
 168     IPersistFolder2_GetCurFolder(persist,&desktop_pidl);
 169     IPersistFolder2_Release(persist);
 170     persist = NULL;
 171     /*Add Desktop*/
 172     item.iItem = -1;
 173     item.mask = CBEIF_TEXT | CBEIF_INDENT | CBEIF_LPARAM;
 174     item.iIndent = 0;
 175     create_combobox_item(desktop,desktop_pidl,info->icon_list,&item);
 176     item.lParam = (LPARAM)desktop_pidl;
 177     SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 178     if(ILIsEqual(info->pidl,desktop_pidl))
 179         main_item = item;
 180     else
 181         CoTaskMemFree(item.pszText);
 182     /*Add all direct subfolders of Desktop*/
 183     if(SUCCEEDED(IShellFolder_EnumObjects(desktop,NULL,SHCONTF_FOLDERS,&ids))
 184        && ids!=NULL)
 185     {
 186         LPITEMIDLIST curr_pidl=NULL;
 187         HRESULT hres;
 188
 189         item.iIndent = 1;
 190         while(1)
 191         {
 192             ILFree(curr_pidl);
 193             curr_pidl=NULL;
 194             hres = IEnumIDList_Next(ids,1,&curr_pidl,NULL);
 195             if(FAILED(hres) || hres == S_FALSE)
 196                 break;
 197             if(!create_combobox_item(desktop,curr_pidl,info->icon_list,&item))
 198                 WINE_WARN("Could not create a combobox item\n");
 199             else
 200             {
 201                 LPITEMIDLIST full_pidl = ILCombine(desktop_pidl,curr_pidl);
 202                 item.lParam = (LPARAM)full_pidl;
 203                 SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 204                 if(ILIsEqual(full_pidl,info->pidl))
 205                     main_item = item;
 206                 else if(ILIsParent(full_pidl,info->pidl,FALSE))
 207                 {
 208                     /*add all parents of the pidl passed in*/
 209                     LPITEMIDLIST next_pidl = ILFindChild(full_pidl,info->pidl);
 210                     IShellFolder *curr_folder = NULL, *temp;
 211                     hres = IShellFolder_BindToObject(desktop,curr_pidl,NULL,
 212                                                      &IID_IShellFolder,
 213                                                      (void**)&curr_folder);
 214                     if(FAILED(hres))
 215                         WINE_WARN("Could not get an IShellFolder\n");
 216                     while(!ILIsEmpty(next_pidl))
 217                     {
 218                         LPITEMIDLIST first = ILCloneFirst(next_pidl);
 219                         CoTaskMemFree(item.pszText);
 220                         if(!create_combobox_item(curr_folder,first,
 221                                                  info->icon_list,&item))
 222                         {
 223                             WINE_WARN("Could not create a combobox item\n");
 224                             break;
 225                         }
 226                         ++item.iIndent;
 227                         full_pidl = ILCombine(full_pidl,first);
 228                         item.lParam = (LPARAM)full_pidl;
 229                         SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 230                         temp=NULL;
 231                         hres = IShellFolder_BindToObject(curr_folder,first,NULL,
 232                                                          &IID_IShellFolder,
 233                                                          (void**)&temp);
 234                         if(FAILED(hres))
 235                         {
 236                             WINE_WARN("Could not get an IShellFolder\n");
 237                             break;
 238                         }
 239                         IShellFolder_Release(curr_folder);
 240                         curr_folder = temp;
 241
 242                         ILFree(first);
 243                         next_pidl = ILGetNext(next_pidl);
 244                     }
 245                     memcpy(&main_item,&item,sizeof(item));
 246                     if(curr_folder)
 247                         IShellFolder_Release(curr_folder);
 248                     item.iIndent = 1;
 249                 }
 250                 else
 251                     CoTaskMemFree(item.pszText);
 252             }
 253         }
 254         ILFree(curr_pidl);
 255         IEnumIDList_Release(ids);
 256     }
 257     else
 258         WINE_WARN("Could not enumerate the desktop\n");
 259     SendMessageW(info->path_box,CBEM_SETITEMW,0,(LPARAM)&main_item);
 260     CoTaskMemFree(main_item.pszText);
 261 }
 262
 263 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationComplete(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 264 {
 265     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 266     ILFree(This->info->pidl);
 267     This->info->pidl = ILClone(pidl);
 268     update_path_box(This->info);
 269     return S_OK;
 270 }
 271
 272 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationFailed(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 273 {
 274     return S_OK;
 275 }
 276
 277 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationPending(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 278 {
 279     return S_OK;
 280 }
 281
 282 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnViewCreated(IExplorerBrowserEvents *iface, IShellView *psv)
 283 {
 284     return S_OK;
 285 }
 286
 287 static IExplorerBrowserEventsVtbl vt_IExplorerBrowserEvents =
 288 {
 289     IExplorerBrowserEventsImpl_fnQueryInterface,
 290     IExplorerBrowserEventsImpl_fnAddRef,
 291     IExplorerBrowserEventsImpl_fnRelease,
 292     IExplorerBrowserEventsImpl_fnOnNavigationPending,
 293     IExplorerBrowserEventsImpl_fnOnViewCreated,
 294     IExplorerBrowserEventsImpl_fnOnNavigationComplete,
 295     IExplorerBrowserEventsImpl_fnOnNavigationFailed
 296 };
 297
 298 static IExplorerBrowserEvents *make_explorer_events(explorer_info *info)
 299 {
 300     IExplorerBrowserEventsImpl *ret
 301         = HeapAlloc(GetProcessHeap(), 0, sizeof(IExplorerBrowserEventsImpl));
 302     ret->IExplorerBrowserEvents_iface.lpVtbl = &vt_IExplorerBrowserEvents;
 303     ret->info = info;
 304     ret->ref = 1;
 305     SHGetImageList(SHIL_SMALL,&IID_IImageList,(void**)&(ret->info->icon_list));
 306     SendMessageW(info->path_box,CBEM_SETIMAGELIST,0,(LPARAM)ret->info->icon_list);
 307     return &ret->IExplorerBrowserEvents_iface;
 308 }
 309
 310 static void make_explorer_window(IShellFolder* startFolder)
 311 {
 312     RECT explorerRect;
 313     HWND rebar,nav_toolbar;
 314     FOLDERSETTINGS fs;
 315     IExplorerBrowserEvents *events;
 316     explorer_info *info;
 317     HRESULT hres;
 318     WCHAR explorer_title[100];
 319     WCHAR pathbox_label[50];
 320     TBADDBITMAP bitmap_info;
 321     TBBUTTON nav_buttons[3];
 322     int hist_offset,view_offset;
 323     REBARBANDINFOW band_info;
 324     memset(nav_buttons,0,sizeof(nav_buttons));
 325     LoadStringW(explorer_hInstance,IDS_EXPLORER_TITLE,explorer_title,
 326                 sizeof(explorer_title)/sizeof(WCHAR));
 327     LoadStringW(explorer_hInstance,IDS_PATHBOX_LABEL,pathbox_label,
 328                 sizeof(pathbox_label)/sizeof(WCHAR));
 329     info = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(explorer_info));
 330     if(!info)
 331     {
 332         WINE_ERR("Could not allocate a explorer_info struct\n");
 333         return;
 334     }
 335     hres = CoCreateInstance(&CLSID_ExplorerBrowser,NULL,CLSCTX_INPROC_SERVER,
 336                             &IID_IExplorerBrowser,(LPVOID*)&info->browser);
 337     if(FAILED(hres))
 338     {
 339         WINE_ERR("Could not obtain an instance of IExplorerBrowser\n");
 340         HeapFree(GetProcessHeap(),0,info);
 341         return;
 342     }
 343     info->rebar_height=0;
 344     info->main_window
 345         = CreateWindowW(EXPLORER_CLASS,explorer_title,WS_OVERLAPPEDWINDOW,
 346                         CW_USEDEFAULT,CW_USEDEFAULT,DEFAULT_WIDTH,
 347                         DEFAULT_HEIGHT,NULL,NULL,explorer_hInstance,NULL);
 348
 349     fs.ViewMode = FVM_DETAILS;
 350     fs.fFlags = FWF_AUTOARRANGE;
 351     explorerRect.left = 0;
 352     explorerRect.top = 0;
 353     explorerRect.right = DEFAULT_WIDTH;
 354     explorerRect.bottom = DEFAULT_HEIGHT;
 355
 356     IExplorerBrowser_Initialize(info->browser,info->main_window,&explorerRect,&fs);
 357     IExplorerBrowser_SetOptions(info->browser,EBO_SHOWFRAMES);
 358     SetWindowLongPtrW(info->main_window,EXPLORER_INFO_INDEX,(LONG_PTR)info);
 359
 360     /*setup navbar*/
 361     rebar = CreateWindowExW(WS_EX_TOOLWINDOW,REBARCLASSNAMEW,NULL,
 362                             WS_CHILD|WS_VISIBLE|RBS_VARHEIGHT|CCS_TOP|CCS_NODIVIDER,
 363                             0,0,0,0,info->main_window,NULL,explorer_hInstance,NULL);
 364     nav_toolbar
 365         = CreateWindowExW(TBSTYLE_EX_MIXEDBUTTONS,TOOLBARCLASSNAMEW,NULL,
 366                           WS_CHILD|WS_VISIBLE|TBSTYLE_FLAT,0,0,0,0,rebar,NULL,
 367                           explorer_hInstance,NULL);
 368
 369     bitmap_info.hInst = HINST_COMMCTRL;
 370     bitmap_info.nID = IDB_HIST_LARGE_COLOR;
 371     hist_offset= SendMessageW(nav_toolbar,TB_ADDBITMAP,0,(LPARAM)&bitmap_info);
 372     bitmap_info.nID = IDB_VIEW_LARGE_COLOR;
 373     view_offset= SendMessageW(nav_toolbar,TB_ADDBITMAP,0,(LPARAM)&bitmap_info);
 374
 375     nav_buttons[0].iBitmap=hist_offset+HIST_BACK;
 376     nav_buttons[0].idCommand=BACK_BUTTON;
 377     nav_buttons[0].fsState=TBSTATE_ENABLED;
 378     nav_buttons[0].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 379     nav_buttons[1].iBitmap=hist_offset+HIST_FORWARD;
 380     nav_buttons[1].idCommand=FORWARD_BUTTON;
 381     nav_buttons[1].fsState=TBSTATE_ENABLED;
 382     nav_buttons[1].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 383     nav_buttons[2].iBitmap=view_offset+VIEW_PARENTFOLDER;
 384     nav_buttons[2].idCommand=UP_BUTTON;
 385     nav_buttons[2].fsState=TBSTATE_ENABLED;
 386     nav_buttons[2].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 387     SendMessageW(nav_toolbar,TB_BUTTONSTRUCTSIZE,sizeof(TBBUTTON),0);
 388     SendMessageW(nav_toolbar,TB_ADDBUTTONSW,sizeof(nav_buttons)/sizeof(TBBUTTON),(LPARAM)nav_buttons);
 389
 390     band_info.cbSize = sizeof(band_info);
 391     band_info.fMask = RBBIM_STYLE|RBBIM_CHILD|RBBIM_CHILDSIZE|RBBIM_SIZE;
 392     band_info.hwndChild = nav_toolbar;
 393     band_info.fStyle=RBBS_GRIPPERALWAYS|RBBS_CHILDEDGE;
 394     band_info.cyChild=NAV_TOOLBAR_HEIGHT;
 395     band_info.cx=0;
 396     band_info.cyMinChild=NAV_TOOLBAR_HEIGHT;
 397     band_info.cxMinChild=0;
 398     SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
 399     info->path_box = CreateWindowW(WC_COMBOBOXEXW,PATH_BOX_NAME,
 400                                    WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
 401                                    0,0,DEFAULT_WIDTH,PATHBOX_HEIGHT,rebar,NULL,
 402                                    explorer_hInstance,NULL);
 403     band_info.cyChild=PATHBOX_HEIGHT;
 404     band_info.cx=0;
 405     band_info.cyMinChild=PATHBOX_HEIGHT;
 406     band_info.cxMinChild=0;
 407     band_info.fMask|=RBBIM_TEXT;
 408     band_info.lpText=pathbox_label;
 409     band_info.fStyle|=RBBS_BREAK;
 410     band_info.hwndChild=info->path_box;
 411     SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
 412     events = make_explorer_events(info);
 413     IExplorerBrowser_Advise(info->browser,events,&info->advise_cookie);
 414     IExplorerBrowser_BrowseToObject(info->browser,(IUnknown*)startFolder,
 415                                     SBSP_ABSOLUTE);
 416     ShowWindow(info->main_window,SW_SHOWDEFAULT);
 417     UpdateWindow(info->main_window);
 418     IExplorerBrowserEvents_Release(events);
 419 }
 420
 421 static void update_window_size(explorer_info *info, int height, int width)
 422 {
 423     RECT new_rect;
 424     new_rect.left = 0;
 425     new_rect.top = info->rebar_height;
 426     new_rect.right = width;
 427     new_rect.bottom = height;
 428     IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
 429 }
 430
 431 static void do_exit(int code)
 432 {
 433     OleUninitialize();
 434     ExitProcess(code);
 435 }
 436
 437 static LRESULT explorer_on_end_edit(explorer_info *info,NMCBEENDEDITW *edit_info)
 438 {
 439     LPITEMIDLIST pidl = NULL;
 440
 441     WINE_TRACE("iWhy=%x\n",edit_info->iWhy);
 442     switch(edit_info->iWhy)
 443     {
 444     case CBENF_DROPDOWN:
 445         if(edit_info->iNewSelection!=CB_ERR)
 446             pidl = (LPITEMIDLIST)SendMessageW(edit_info->hdr.hwndFrom,
 447                                               CB_GETITEMDATA,
 448                                               edit_info->iNewSelection,0);
 449         break;
 450     case CBENF_RETURN:
 451         {
 452             WCHAR path[MAX_PATH];
 453             HWND edit_ctrl = (HWND)SendMessageW(edit_info->hdr.hwndFrom,
 454                                                 CBEM_GETEDITCONTROL,0,0);
 455             *((WORD*)path)=MAX_PATH;
 456             SendMessageW(edit_ctrl,EM_GETLINE,0,(LPARAM)path);
 457             pidl = ILCreateFromPathW(path);
 458             break;
 459         }
 460     case CBENF_ESCAPE:
 461         /*make sure the that the path box resets*/
 462         update_path_box(info);
 463         return 0;
 464     default:
 465         return 0;
 466     }
 467     if(pidl)
 468         IExplorerBrowser_BrowseToIDList(info->browser,pidl,SBSP_ABSOLUTE);
 469     if(edit_info->iWhy==CBENF_RETURN)
 470         ILFree(pidl);
 471     return 0;
 472 }
 473
 474 static LRESULT update_rebar_size(explorer_info* info,NMRBAUTOSIZE *size_info)
 475 {
 476     RECT new_rect;
 477     RECT window_rect;
 478     info->rebar_height = size_info->rcTarget.bottom-size_info->rcTarget.top;
 479     GetWindowRect(info->main_window,&window_rect);
 480     new_rect.left = 0;
 481     new_rect.top = info->rebar_height;
 482     new_rect.right = window_rect.right-window_rect.left;
 483     new_rect.bottom = window_rect.bottom-window_rect.top;
 484     IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
 485     return 0;
 486 }
 487
 488 static LRESULT explorer_on_notify(explorer_info* info,NMHDR* notification)
 489 {
 490     WINE_TRACE("code=%i\n",notification->code);
 491     switch(notification->code)
 492     {
 493     case CBEN_BEGINEDIT:
 494         {
 495             WCHAR path[MAX_PATH];
 496             HWND edit_ctrl = (HWND)SendMessageW(notification->hwndFrom,
 497                                                 CBEM_GETEDITCONTROL,0,0);
 498             SHGetPathFromIDListW(info->pidl,path);
 499             SetWindowTextW(edit_ctrl,path);
 500             break;
 501         }
 502     case CBEN_ENDEDITA:
 503         {
 504             NMCBEENDEDITA *edit_info_a = (NMCBEENDEDITA*)notification;
 505             NMCBEENDEDITW edit_info_w;
 506             edit_info_w.hdr = edit_info_a->hdr;
 507             edit_info_w.fChanged = edit_info_a->fChanged;
 508             edit_info_w.iNewSelection = edit_info_a->iNewSelection;
 509             MultiByteToWideChar(CP_ACP,0,edit_info_a->szText,-1,
 510                                 edit_info_w.szText,CBEMAXSTRLEN);
 511             edit_info_w.iWhy = edit_info_a->iWhy;
 512             return explorer_on_end_edit(info,&edit_info_w);
 513         }
 514     case CBEN_ENDEDITW:
 515         return explorer_on_end_edit(info,(NMCBEENDEDITW*)notification);
 516     case CBEN_DELETEITEM:
 517         {
 518             NMCOMBOBOXEXW *entry = (NMCOMBOBOXEXW*)notification;
 519             if(entry->ceItem.lParam)
 520                 ILFree((LPITEMIDLIST)entry->ceItem.lParam);
 521             break;
 522         }
 523     case RBN_AUTOSIZE:
 524         return update_rebar_size(info,(NMRBAUTOSIZE*)notification);
 525     default:
 526         break;
 527     }
 528     return 0;
 529 }
 530
 531 static LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 532 {
 533     explorer_info *info
 534         = (explorer_info*)GetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX);
 535     IExplorerBrowser *browser = NULL;
 536
 537     WINE_TRACE("(hwnd=%p,uMsg=%u,wParam=%lx,lParam=%lx)\n",hwnd,uMsg,wParam,lParam);
 538     if(info)
 539         browser = info->browser;
 540     switch(uMsg)
 541     {
 542     case WM_DESTROY:
 543         IExplorerBrowser_Unadvise(browser,info->advise_cookie);
 544         IExplorerBrowser_Destroy(browser);
 545         IExplorerBrowser_Release(browser);
 546         ILFree(info->pidl);
 547         IImageList_Release(info->icon_list);
 548         HeapFree(GetProcessHeap(),0,info);
 549         SetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX,0);
 550         PostQuitMessage(0);
 551         break;
 552     case WM_QUIT:
 553         do_exit(wParam);
 554     case WM_NOTIFY:
 555         return explorer_on_notify(info,(NMHDR*)lParam);
 556     case WM_COMMAND:
 557         if(HIWORD(wParam)==BN_CLICKED)
 558         {
 559             switch(LOWORD(wParam))
 560             {
 561             case BACK_BUTTON:
 562                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_NAVIGATEBACK);
 563                 break;
 564             case FORWARD_BUTTON:
 565                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_NAVIGATEFORWARD);
 566                 break;
 567             case UP_BUTTON:
 568                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_PARENT);
 569                 break;
 570             }
 571         }
 572         break;
 573     case WM_SIZE:
 574         update_window_size(info,HIWORD(lParam),LOWORD(lParam));
 575         break;
 576     default:
 577         return DefWindowProcW(hwnd,uMsg,wParam,lParam);
 578     }
 579     return 0;
 580 }
 581
 582 static void register_explorer_window_class(void)
 583 {
 584     WNDCLASSEXW window_class;
 585     window_class.cbSize = sizeof(WNDCLASSEXW);
 586     window_class.style = 0;
 587     window_class.cbClsExtra = 0;
 588     window_class.cbWndExtra = sizeof(LONG_PTR);
 589     window_class.lpfnWndProc = explorer_wnd_proc;
 590     window_class.hInstance = explorer_hInstance;
 591     window_class.hIcon = NULL;
 592     window_class.hCursor = NULL;
 593     window_class.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
 594     window_class.lpszMenuName = NULL;
 595     window_class.lpszClassName = EXPLORER_CLASS;
 596     window_class.hIconSm = NULL;
 597     RegisterClassExW(&window_class);
 598 }
 599
 600 static IShellFolder* get_starting_shell_folder(parameters_struct* params)
 601 {
 602     IShellFolder* desktop,*folder;
 603     LPITEMIDLIST root_pidl;
 604     HRESULT hres;
 605
 606     SHGetDesktopFolder(&desktop);
 607     if (!params->root[0])
 608     {
 609         return desktop;
 610     }
 611     hres = IShellFolder_ParseDisplayName(desktop,NULL,NULL,
 612                                          params->root,NULL,
 613                                          &root_pidl,NULL);
 614
 615     if(FAILED(hres))
 616     {
 617         return desktop;
 618     }
 619     hres = IShellFolder_BindToObject(desktop,root_pidl,NULL,
 620                                      &IID_IShellFolder,
 621                                      (void**)&folder);
 622     if(FAILED(hres))
 623     {
 624         return desktop;
 625     }
 626     IShellFolder_Release(desktop);
 627     return folder;
 628 }
 629
 630 static int copy_path_string(LPWSTR target, LPWSTR source)
 631 {
 632     INT i = 0;
 633
 634     while (isspaceW(*source)) source++;
 635
 636     if (*source == '\"')
 637     {
 638         source ++;
 639         while (*source != '\"') target[i++] = *source++;
 640         target[i] = 0;
 641         source ++;
 642         i+=2;
 643     }
 644     else
 645     {
 646         while (*source && !isspaceW(*source)) target[i++] = *source++;
 647         target[i] = 0;
 648     }
 649     return i;
 650 }
 651
 652
 653 static void copy_path_root(LPWSTR root, LPWSTR path)
 654 {
 655     LPWSTR p,p2;
 656     INT i = 0;
 657
 658     p = path;
 659     while (*p!=0)
 660         p++;
 661
 662     while (*p!='\\' && p > path)
 663         p--;
 664
 665     if (p == path)
 666         return;
 667
 668     p2 = path;
 669     while (p2 != p)
 670     {
 671         root[i] = *p2;
 672         i++;
 673         p2++;
 674     }
 675     root[i] = 0;
 676 }
 677
 678 /*
 679  * Command Line parameters are:
 680  * [/n]  Opens in single-paned view for each selected items. This is default
 681  * [/e,] Uses Windows Explorer View
 682  * [/root,object] Specifies the root level of the view
 683  * [/select,object] parent folder is opened and specified object is selected
 684  */
 685 static void parse_command_line(LPWSTR commandline,parameters_struct *parameters)
 686 {
 687     static const WCHAR arg_n[] = {'/','n'};
 688     static const WCHAR arg_e[] = {'/','e',','};
 689     static const WCHAR arg_root[] = {'/','r','o','o','t',','};
 690     static const WCHAR arg_select[] = {'/','s','e','l','e','c','t',','};
 691     static const WCHAR arg_desktop[] = {'/','d','e','s','k','t','o','p'};
 692
 693     LPWSTR p, p2;
 694
 695     p2 = commandline;
 696     p = strchrW(commandline,'/');
 697     while(p)
 698     {
 699         if (strncmpW(p, arg_n, sizeof(arg_n)/sizeof(WCHAR))==0)
 700         {
 701             parameters->explorer_mode = FALSE;
 702             p += sizeof(arg_n)/sizeof(WCHAR);
 703         }
 704         else if (strncmpW(p, arg_e, sizeof(arg_e)/sizeof(WCHAR))==0)
 705         {
 706             parameters->explorer_mode = TRUE;
 707             p += sizeof(arg_e)/sizeof(WCHAR);
 708         }
 709         else if (strncmpW(p, arg_root, sizeof(arg_root)/sizeof(WCHAR))==0)
 710         {
 711             p += sizeof(arg_root)/sizeof(WCHAR);
 712             p+=copy_path_string(parameters->root,p);
 713         }
 714         else if (strncmpW(p, arg_select, sizeof(arg_select)/sizeof(WCHAR))==0)
 715         {
 716             p += sizeof(arg_select)/sizeof(WCHAR);
 717             p+=copy_path_string(parameters->selection,p);
 718             if (!parameters->root[0])
 719                 copy_path_root(parameters->root,
 720                                parameters->selection);
 721         }
 722         else if (strncmpW(p, arg_desktop, sizeof(arg_desktop)/sizeof(WCHAR))==0)
 723         {
 724             p += sizeof(arg_desktop)/sizeof(WCHAR);
 725             manage_desktop( p );  /* the rest of the command line is handled by desktop mode */
 726         }
 727         else p++;
 728
 729         p2 = p;
 730         p = strchrW(p,'/');
 731     }
 732     if (p2 && *p2)
 733     {
 734         /* left over command line is generally the path to be opened */
 735         copy_path_string(parameters->root,p2);
 736     }
 737 }
 738
 739 int WINAPI wWinMain(HINSTANCE hinstance,
 740                     HINSTANCE previnstance,
 741                     LPWSTR cmdline,
 742                     int cmdshow)
 743 {
 744
 745     parameters_struct   parameters;
 746     HRESULT hres;
 747     MSG msg;
 748     IShellFolder *folder;
 749     INITCOMMONCONTROLSEX init_info;
 750
 751     memset(&parameters,0,sizeof(parameters));
 752     explorer_hInstance = hinstance;
 753     parse_command_line(cmdline,&parameters);
 754     hres = OleInitialize(NULL);
 755     if(FAILED(hres))
 756     {
 757         WINE_ERR("Could not initialize COM\n");
 758         ExitProcess(EXIT_FAILURE);
 759     }
 760     if(parameters.root[0] && !PathIsDirectoryW(parameters.root))
 761         if(ShellExecuteW(NULL,NULL,parameters.root,NULL,NULL,SW_SHOWDEFAULT) > (HINSTANCE)32)
 762             ExitProcess(EXIT_SUCCESS);
 763     init_info.dwSize = sizeof(INITCOMMONCONTROLSEX);
 764     init_info.dwICC = ICC_USEREX_CLASSES | ICC_BAR_CLASSES | ICC_COOL_CLASSES;
 765     if(!InitCommonControlsEx(&init_info))
 766     {
 767         WINE_ERR("Could not initialize Comctl\n");
 768         ExitProcess(EXIT_FAILURE);
 769     }
 770     register_explorer_window_class();
 771     folder = get_starting_shell_folder(&parameters);
 772     make_explorer_window(folder);
 773     IShellFolder_Release(folder);
 774     while(GetMessageW( &msg, NULL, 0, 0 ) != 0)
 775     {
 776             TranslateMessage(&msg);
 777             DispatchMessageW(&msg);
 778     }
 779     return 0;
 780 }