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/debug.h"
  26 #include "wine/heap.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 static int nav_toolbar_height;
  46 static int pathbox_height;
  47
  48 #define DEFAULT_WIDTH 640
  49 #define DEFAULT_HEIGHT 480
  50 static int default_width;
  51 static int default_height;
  52
  53
  54 static const WCHAR EXPLORER_CLASS[] = {'E','x','p','l','o','r','e','r','W','C','l','a','s','s',0};
  55 static const WCHAR PATH_BOX_NAME[] = {'\0'};
  56
  57 HINSTANCE explorer_hInstance;
  58
  59 typedef struct parametersTAG {
  60     BOOL    explorer_mode;
  61     WCHAR   root[MAX_PATH];
  62     WCHAR   selection[MAX_PATH];
  63 } parameters_struct;
  64
  65 typedef struct
  66 {
  67     IExplorerBrowser *browser;
  68     HWND main_window,path_box;
  69     INT rebar_height;
  70     LPITEMIDLIST pidl;
  71     IImageList *icon_list;
  72     DWORD advise_cookie;
  73
  74     IShellWindows *sw;
  75     LONG sw_cookie;
  76 } explorer_info;
  77
  78 enum
  79 {
  80     BACK_BUTTON,FORWARD_BUTTON,UP_BUTTON
  81 };
  82
  83 static void variant_from_pidl(VARIANT *var, const ITEMIDLIST *pidl)
  84 {
  85     V_VT(var) = VT_ARRAY | VT_UI1;
  86     V_ARRAY(var) = SafeArrayCreateVector(VT_UI1, 0, ILGetSize(pidl));
  87     memcpy(V_ARRAY(var)->pvData, pidl, ILGetSize(pidl));
  88 }
  89
  90 typedef struct
  91 {
  92     IExplorerBrowserEvents IExplorerBrowserEvents_iface;
  93     explorer_info* info;
  94     LONG ref;
  95 } IExplorerBrowserEventsImpl;
  96
  97 static IExplorerBrowserEventsImpl *impl_from_IExplorerBrowserEvents(IExplorerBrowserEvents *iface)
  98 {
  99     return CONTAINING_RECORD(iface, IExplorerBrowserEventsImpl, IExplorerBrowserEvents_iface);
 100 }
 101
 102 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnQueryInterface(IExplorerBrowserEvents *iface, REFIID riid, void **ppvObject)
 103 {
 104     return E_NOINTERFACE;
 105 }
 106
 107 static ULONG WINAPI IExplorerBrowserEventsImpl_fnAddRef(IExplorerBrowserEvents *iface)
 108 {
 109     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 110     return InterlockedIncrement(&This->ref);
 111 }
 112
 113 static ULONG WINAPI IExplorerBrowserEventsImpl_fnRelease(IExplorerBrowserEvents *iface)
 114 {
 115     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 116     ULONG ref = InterlockedDecrement(&This->ref);
 117     if(!ref)
 118         HeapFree(GetProcessHeap(),0,This);
 119     return ref;
 120 }
 121
 122 static BOOL create_combobox_item(IShellFolder *folder, LPCITEMIDLIST child_pidl, IImageList *icon_list, COMBOBOXEXITEMW *item)
 123 {
 124     STRRET strret;
 125     HRESULT hres;
 126     PIDLIST_ABSOLUTE parent_pidl, pidl;
 127     SHFILEINFOW info;
 128     IImageList *list;
 129
 130     strret.uType=STRRET_WSTR;
 131     hres = IShellFolder_GetDisplayNameOf( folder, child_pidl, SHGDN_FORADDRESSBAR, &strret );
 132     if(SUCCEEDED(hres))
 133         hres = StrRetToStrW(&strret, child_pidl, &item->pszText);
 134     if(FAILED(hres))
 135     {
 136         WINE_WARN("Could not get name for pidl\n");
 137         return FALSE;
 138     }
 139
 140     item->mask &= ~CBEIF_IMAGE;
 141     hres = SHGetIDListFromObject( (IUnknown *)folder, &parent_pidl );
 142     if (FAILED(hres)) return FALSE;
 143
 144     pidl = ILCombine( parent_pidl, child_pidl );
 145     if (pidl)
 146     {
 147         list = (IImageList *)SHGetFileInfoW( (WCHAR *)pidl, 0, &info, sizeof(info),
 148                                              SHGFI_PIDL | SHGFI_SMALLICON | SHGFI_SYSICONINDEX );
 149         if (list)
 150         {
 151             IImageList_Release( list );
 152             item->iImage = info.iIcon;
 153             item->mask |= CBEIF_IMAGE;
 154         }
 155         ILFree( pidl );
 156     }
 157     ILFree( parent_pidl );
 158
 159     return TRUE;
 160 }
 161
 162 static void update_path_box(explorer_info *info)
 163 {
 164     COMBOBOXEXITEMW item;
 165     COMBOBOXEXITEMW main_item;
 166     IShellFolder *desktop;
 167     IPersistFolder2 *persist;
 168     LPITEMIDLIST desktop_pidl;
 169     IEnumIDList *ids;
 170
 171     SendMessageW(info->path_box,CB_RESETCONTENT,0,0);
 172     SHGetDesktopFolder(&desktop);
 173     IShellFolder_QueryInterface(desktop,&IID_IPersistFolder2,(void**)&persist);
 174     IPersistFolder2_GetCurFolder(persist,&desktop_pidl);
 175     IPersistFolder2_Release(persist);
 176     persist = NULL;
 177     /*Add Desktop*/
 178     item.iItem = -1;
 179     item.mask = CBEIF_TEXT | CBEIF_INDENT | CBEIF_LPARAM;
 180     item.iIndent = 0;
 181     create_combobox_item(desktop,desktop_pidl,info->icon_list,&item);
 182     item.lParam = (LPARAM)desktop_pidl;
 183     SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 184     if(ILIsEqual(info->pidl,desktop_pidl))
 185         main_item = item;
 186     else
 187         CoTaskMemFree(item.pszText);
 188     /*Add all direct subfolders of Desktop*/
 189     if(SUCCEEDED(IShellFolder_EnumObjects(desktop,NULL,SHCONTF_FOLDERS,&ids))
 190        && ids!=NULL)
 191     {
 192         LPITEMIDLIST curr_pidl=NULL;
 193         HRESULT hres;
 194
 195         item.iIndent = 1;
 196         while(1)
 197         {
 198             ILFree(curr_pidl);
 199             curr_pidl=NULL;
 200             hres = IEnumIDList_Next(ids,1,&curr_pidl,NULL);
 201             if(FAILED(hres) || hres == S_FALSE)
 202                 break;
 203             if(!create_combobox_item(desktop,curr_pidl,info->icon_list,&item))
 204                 WINE_WARN("Could not create a combobox item\n");
 205             else
 206             {
 207                 LPITEMIDLIST full_pidl = ILCombine(desktop_pidl,curr_pidl);
 208                 item.lParam = (LPARAM)full_pidl;
 209                 SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 210                 if(ILIsEqual(full_pidl,info->pidl))
 211                     main_item = item;
 212                 else if(ILIsParent(full_pidl,info->pidl,FALSE))
 213                 {
 214                     /*add all parents of the pidl passed in*/
 215                     LPITEMIDLIST next_pidl = ILFindChild(full_pidl,info->pidl);
 216                     IShellFolder *curr_folder = NULL, *temp;
 217                     hres = IShellFolder_BindToObject(desktop,curr_pidl,NULL,
 218                                                      &IID_IShellFolder,
 219                                                      (void**)&curr_folder);
 220                     if(FAILED(hres))
 221                         WINE_WARN("Could not get an IShellFolder\n");
 222                     while(!ILIsEmpty(next_pidl))
 223                     {
 224                         LPITEMIDLIST first = ILCloneFirst(next_pidl);
 225                         CoTaskMemFree(item.pszText);
 226                         if(!create_combobox_item(curr_folder,first,
 227                                                  info->icon_list,&item))
 228                         {
 229                             WINE_WARN("Could not create a combobox item\n");
 230                             break;
 231                         }
 232                         ++item.iIndent;
 233                         full_pidl = ILCombine(full_pidl,first);
 234                         item.lParam = (LPARAM)full_pidl;
 235                         SendMessageW(info->path_box,CBEM_INSERTITEMW,0,(LPARAM)&item);
 236                         temp=NULL;
 237                         hres = IShellFolder_BindToObject(curr_folder,first,NULL,
 238                                                          &IID_IShellFolder,
 239                                                          (void**)&temp);
 240                         if(FAILED(hres))
 241                         {
 242                             WINE_WARN("Could not get an IShellFolder\n");
 243                             break;
 244                         }
 245                         IShellFolder_Release(curr_folder);
 246                         curr_folder = temp;
 247
 248                         ILFree(first);
 249                         next_pidl = ILGetNext(next_pidl);
 250                     }
 251                     memcpy(&main_item,&item,sizeof(item));
 252                     if(curr_folder)
 253                         IShellFolder_Release(curr_folder);
 254                     item.iIndent = 1;
 255                 }
 256                 else
 257                     CoTaskMemFree(item.pszText);
 258             }
 259         }
 260         ILFree(curr_pidl);
 261         IEnumIDList_Release(ids);
 262     }
 263     else
 264         WINE_WARN("Could not enumerate the desktop\n");
 265     SendMessageW(info->path_box,CBEM_SETITEMW,0,(LPARAM)&main_item);
 266     CoTaskMemFree(main_item.pszText);
 267 }
 268
 269 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationComplete(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 270 {
 271     IExplorerBrowserEventsImpl *This = impl_from_IExplorerBrowserEvents(iface);
 272     IShellFolder *parent;
 273     PCUITEMID_CHILD child_pidl;
 274     HRESULT hres;
 275     STRRET strret;
 276     WCHAR *name;
 277
 278     if (This->info->sw)
 279     {
 280         VARIANT var;
 281
 282         variant_from_pidl(&var, pidl);
 283         IShellWindows_OnNavigate(This->info->sw, This->info->sw_cookie, &var);
 284         VariantClear(&var);
 285     }
 286
 287     ILFree(This->info->pidl);
 288     This->info->pidl = ILClone(pidl);
 289     update_path_box(This->info);
 290
 291     hres = SHBindToParent(pidl, &IID_IShellFolder, (void **)&parent, &child_pidl);
 292     if (SUCCEEDED(hres))
 293     {
 294         hres = IShellFolder_GetDisplayNameOf(parent, child_pidl, SHGDN_FORADDRESSBAR, &strret);
 295         if (SUCCEEDED(hres))
 296             hres = StrRetToStrW(&strret, child_pidl, &name);
 297         if (SUCCEEDED(hres))
 298         {
 299             SetWindowTextW(This->info->main_window, name);
 300             CoTaskMemFree(name);
 301         }
 302
 303         IShellFolder_Release(parent);
 304     }
 305
 306     return hres;
 307 }
 308
 309 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationFailed(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 310 {
 311     return S_OK;
 312 }
 313
 314 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationPending(IExplorerBrowserEvents *iface, PCIDLIST_ABSOLUTE pidl)
 315 {
 316     return S_OK;
 317 }
 318
 319 static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnViewCreated(IExplorerBrowserEvents *iface, IShellView *psv)
 320 {
 321     return S_OK;
 322 }
 323
 324 static IExplorerBrowserEventsVtbl vt_IExplorerBrowserEvents =
 325 {
 326     IExplorerBrowserEventsImpl_fnQueryInterface,
 327     IExplorerBrowserEventsImpl_fnAddRef,
 328     IExplorerBrowserEventsImpl_fnRelease,
 329     IExplorerBrowserEventsImpl_fnOnNavigationPending,
 330     IExplorerBrowserEventsImpl_fnOnViewCreated,
 331     IExplorerBrowserEventsImpl_fnOnNavigationComplete,
 332     IExplorerBrowserEventsImpl_fnOnNavigationFailed
 333 };
 334
 335 static IExplorerBrowserEvents *make_explorer_events(explorer_info *info)
 336 {
 337     IExplorerBrowserEventsImpl *ret
 338         = HeapAlloc(GetProcessHeap(), 0, sizeof(IExplorerBrowserEventsImpl));
 339     ret->IExplorerBrowserEvents_iface.lpVtbl = &vt_IExplorerBrowserEvents;
 340     ret->info = info;
 341     ret->ref = 1;
 342     SHGetImageList(SHIL_SMALL,&IID_IImageList,(void**)&(ret->info->icon_list));
 343     SendMessageW(info->path_box,CBEM_SETIMAGELIST,0,(LPARAM)ret->info->icon_list);
 344     return &ret->IExplorerBrowserEvents_iface;
 345 }
 346
 347 static IShellFolder *get_starting_shell_folder(WCHAR *path)
 348 {
 349     IShellFolder* desktop,*folder;
 350     LPITEMIDLIST root_pidl;
 351     HRESULT hres;
 352
 353     SHGetDesktopFolder(&desktop);
 354
 355     if (!path)
 356         return desktop;
 357
 358     hres = IShellFolder_ParseDisplayName(desktop, NULL, NULL, path, NULL, &root_pidl, NULL);
 359     if(FAILED(hres))
 360     {
 361         return desktop;
 362     }
 363     hres = IShellFolder_BindToObject(desktop,root_pidl,NULL,
 364                                      &IID_IShellFolder,
 365                                      (void**)&folder);
 366     ILFree(root_pidl);
 367     if(FAILED(hres))
 368     {
 369         return desktop;
 370     }
 371     IShellFolder_Release(desktop);
 372     return folder;
 373 }
 374
 375 static void make_explorer_window(parameters_struct *params)
 376 {
 377     RECT rect;
 378     HWND rebar,nav_toolbar;
 379     FOLDERSETTINGS fs;
 380     IExplorerBrowserEvents *events;
 381     explorer_info *info;
 382     HRESULT hres;
 383     WCHAR explorer_title[100];
 384     WCHAR pathbox_label[50];
 385     TBADDBITMAP bitmap_info;
 386     TBBUTTON nav_buttons[3];
 387     int hist_offset,view_offset;
 388     REBARBANDINFOW band_info;
 389     VARIANT var, empty_var;
 390     IShellFolder *folder;
 391     IDispatch *dispatch;
 392     WCHAR *path = NULL;
 393     IShellWindows *sw;
 394     ITEMIDLIST *pidl;
 395     UINT dpix, dpiy;
 396     DWORD size;
 397     LONG hwnd;
 398     HDC hdc;
 399     MSG msg;
 400
 401     CoCreateInstance(&CLSID_ShellWindows, NULL, CLSCTX_LOCAL_SERVER,
 402             &IID_IShellWindows, (void **)&sw);
 403
 404     if (params->root[0])
 405     {
 406         size = GetFullPathNameW(params->root, 0, NULL, NULL);
 407         path = malloc(size);
 408         GetFullPathNameW(params->root, size, path, NULL);
 409     }
 410
 411     if (sw && path)
 412     {
 413         if (!(pidl = ILCreateFromPathW(path)))
 414         {
 415             ERR("Failed to create PIDL for %s.\n", debugstr_w(path));
 416             IShellWindows_Release(sw);
 417             return;
 418         }
 419
 420         variant_from_pidl(&var, pidl);
 421         V_VT(&empty_var) = VT_EMPTY;
 422         if (IShellWindows_FindWindowSW(sw, &var, &empty_var, SWC_EXPLORER, &hwnd, 0, &dispatch) == S_OK)
 423         {
 424             TRACE("Found window %#x already browsing path %s.\n", hwnd, debugstr_w(path));
 425             SetForegroundWindow((HWND)(LONG_PTR)hwnd);
 426             IShellWindows_Release(sw);
 427             return;
 428         }
 429         ILFree(pidl);
 430         VariantClear(&var);
 431     }
 432
 433     memset(nav_buttons,0,sizeof(nav_buttons));
 434
 435     LoadStringW(explorer_hInstance,IDS_EXPLORER_TITLE,explorer_title, ARRAY_SIZE( explorer_title ));
 436     LoadStringW(explorer_hInstance,IDS_PATHBOX_LABEL,pathbox_label, ARRAY_SIZE( pathbox_label ));
 437
 438     hdc = GetDC(0);
 439     dpix = GetDeviceCaps(hdc, LOGPIXELSX);
 440     dpiy = GetDeviceCaps(hdc, LOGPIXELSY);
 441     ReleaseDC(0, hdc);
 442     nav_toolbar_height = MulDiv(NAV_TOOLBAR_HEIGHT, dpiy, USER_DEFAULT_SCREEN_DPI);
 443     pathbox_height = MulDiv(PATHBOX_HEIGHT, dpiy, USER_DEFAULT_SCREEN_DPI);
 444     default_width = MulDiv(DEFAULT_WIDTH, dpix, USER_DEFAULT_SCREEN_DPI);
 445     default_height = MulDiv(DEFAULT_HEIGHT, dpiy, USER_DEFAULT_SCREEN_DPI);
 446
 447     info = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(explorer_info));
 448     if(!info)
 449     {
 450         WINE_ERR("Could not allocate an explorer_info struct\n");
 451         return;
 452     }
 453     hres = CoCreateInstance(&CLSID_ExplorerBrowser,NULL,CLSCTX_INPROC_SERVER,
 454                             &IID_IExplorerBrowser,(LPVOID*)&info->browser);
 455     if(FAILED(hres))
 456     {
 457         WINE_ERR("Could not obtain an instance of IExplorerBrowser\n");
 458         HeapFree(GetProcessHeap(),0,info);
 459         return;
 460     }
 461     info->rebar_height=0;
 462     info->main_window
 463         = CreateWindowW(EXPLORER_CLASS,explorer_title,WS_OVERLAPPEDWINDOW,
 464                         CW_USEDEFAULT,CW_USEDEFAULT,default_width,
 465                         default_height,NULL,NULL,explorer_hInstance,NULL);
 466
 467     if (sw)
 468     {
 469         IShellWindows_Register(sw, NULL, (LONG_PTR)info->main_window, SWC_EXPLORER, &info->sw_cookie);
 470         info->sw = sw;
 471     }
 472
 473     fs.ViewMode = FVM_DETAILS;
 474     fs.fFlags = FWF_AUTOARRANGE;
 475
 476     SetRect(&rect, 0, 0, default_width, default_height);
 477     IExplorerBrowser_Initialize(info->browser,info->main_window,&rect,&fs);
 478     IExplorerBrowser_SetOptions(info->browser,EBO_SHOWFRAMES);
 479     SetWindowLongPtrW(info->main_window,EXPLORER_INFO_INDEX,(LONG_PTR)info);
 480
 481     /*setup navbar*/
 482     rebar = CreateWindowExW(WS_EX_TOOLWINDOW,REBARCLASSNAMEW,NULL,
 483                             WS_CHILD|WS_VISIBLE|RBS_VARHEIGHT|CCS_TOP|CCS_NODIVIDER,
 484                             0,0,0,0,info->main_window,NULL,explorer_hInstance,NULL);
 485     nav_toolbar
 486         = CreateWindowExW(TBSTYLE_EX_MIXEDBUTTONS,TOOLBARCLASSNAMEW,NULL,
 487                           WS_CHILD|WS_VISIBLE|TBSTYLE_FLAT,0,0,0,0,rebar,NULL,
 488                           explorer_hInstance,NULL);
 489
 490     bitmap_info.hInst = HINST_COMMCTRL;
 491     bitmap_info.nID = IDB_HIST_LARGE_COLOR;
 492     hist_offset= SendMessageW(nav_toolbar,TB_ADDBITMAP,0,(LPARAM)&bitmap_info);
 493     bitmap_info.nID = IDB_VIEW_LARGE_COLOR;
 494     view_offset= SendMessageW(nav_toolbar,TB_ADDBITMAP,0,(LPARAM)&bitmap_info);
 495
 496     nav_buttons[0].iBitmap=hist_offset+HIST_BACK;
 497     nav_buttons[0].idCommand=BACK_BUTTON;
 498     nav_buttons[0].fsState=TBSTATE_ENABLED;
 499     nav_buttons[0].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 500     nav_buttons[1].iBitmap=hist_offset+HIST_FORWARD;
 501     nav_buttons[1].idCommand=FORWARD_BUTTON;
 502     nav_buttons[1].fsState=TBSTATE_ENABLED;
 503     nav_buttons[1].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 504     nav_buttons[2].iBitmap=view_offset+VIEW_PARENTFOLDER;
 505     nav_buttons[2].idCommand=UP_BUTTON;
 506     nav_buttons[2].fsState=TBSTATE_ENABLED;
 507     nav_buttons[2].fsStyle=BTNS_BUTTON|BTNS_AUTOSIZE;
 508     SendMessageW(nav_toolbar,TB_BUTTONSTRUCTSIZE,sizeof(TBBUTTON),0);
 509     SendMessageW(nav_toolbar,TB_ADDBUTTONSW,ARRAY_SIZE( nav_buttons ),(LPARAM)nav_buttons);
 510
 511     band_info.cbSize = sizeof(band_info);
 512     band_info.fMask = RBBIM_STYLE|RBBIM_CHILD|RBBIM_CHILDSIZE|RBBIM_SIZE;
 513     band_info.hwndChild = nav_toolbar;
 514     band_info.fStyle=RBBS_GRIPPERALWAYS|RBBS_CHILDEDGE;
 515     band_info.cyChild=nav_toolbar_height;
 516     band_info.cx=0;
 517     band_info.cyMinChild=nav_toolbar_height;
 518     band_info.cxMinChild=0;
 519     SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
 520     info->path_box = CreateWindowW(WC_COMBOBOXEXW,PATH_BOX_NAME,
 521                                    WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
 522                                    0,0,default_width,pathbox_height,rebar,NULL,
 523                                    explorer_hInstance,NULL);
 524     GetWindowRect(info->path_box, &rect);
 525     band_info.cyChild = rect.bottom - rect.top;
 526     band_info.cx=0;
 527     band_info.cyMinChild = rect.bottom - rect.top;
 528     band_info.cxMinChild=0;
 529     band_info.fMask|=RBBIM_TEXT;
 530     band_info.lpText=pathbox_label;
 531     band_info.fStyle|=RBBS_BREAK;
 532     band_info.hwndChild=info->path_box;
 533     SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
 534     events = make_explorer_events(info);
 535     IExplorerBrowser_Advise(info->browser,events,&info->advise_cookie);
 536
 537     folder = get_starting_shell_folder(path);
 538     IExplorerBrowser_BrowseToObject(info->browser, (IUnknown *)folder, SBSP_ABSOLUTE);
 539     IShellFolder_Release(folder);
 540
 541     ShowWindow(info->main_window,SW_SHOWDEFAULT);
 542     UpdateWindow(info->main_window);
 543     IExplorerBrowserEvents_Release(events);
 544
 545     while (GetMessageW(&msg, NULL, 0, 0))
 546     {
 547         TranslateMessage(&msg);
 548         DispatchMessageW(&msg);
 549     }
 550 }
 551
 552 static void update_window_size(explorer_info *info, int height, int width)
 553 {
 554     RECT new_rect;
 555     new_rect.left = 0;
 556     new_rect.top = info->rebar_height;
 557     new_rect.right = width;
 558     new_rect.bottom = height;
 559     IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
 560 }
 561
 562 static void do_exit(int code)
 563 {
 564     OleUninitialize();
 565     ExitProcess(code);
 566 }
 567
 568 static LRESULT explorer_on_end_edit(explorer_info *info,NMCBEENDEDITW *edit_info)
 569 {
 570     LPITEMIDLIST pidl = NULL;
 571
 572     WINE_TRACE("iWhy=%x\n",edit_info->iWhy);
 573     switch(edit_info->iWhy)
 574     {
 575     case CBENF_DROPDOWN:
 576         if(edit_info->iNewSelection!=CB_ERR)
 577             pidl = (LPITEMIDLIST)SendMessageW(edit_info->hdr.hwndFrom,
 578                                               CB_GETITEMDATA,
 579                                               edit_info->iNewSelection,0);
 580         break;
 581     case CBENF_RETURN:
 582         {
 583             WCHAR path[MAX_PATH];
 584             HWND edit_ctrl = (HWND)SendMessageW(edit_info->hdr.hwndFrom,
 585                                                 CBEM_GETEDITCONTROL,0,0);
 586             *((WORD*)path)=MAX_PATH;
 587             SendMessageW(edit_ctrl,EM_GETLINE,0,(LPARAM)path);
 588             pidl = ILCreateFromPathW(path);
 589             break;
 590         }
 591     case CBENF_ESCAPE:
 592         /*make sure the that the path box resets*/
 593         update_path_box(info);
 594         return 0;
 595     default:
 596         return 0;
 597     }
 598     if(pidl)
 599         IExplorerBrowser_BrowseToIDList(info->browser,pidl,SBSP_ABSOLUTE);
 600     if(edit_info->iWhy==CBENF_RETURN)
 601         ILFree(pidl);
 602     return 0;
 603 }
 604
 605 static LRESULT update_rebar_size(explorer_info* info,NMRBAUTOSIZE *size_info)
 606 {
 607     RECT new_rect;
 608     RECT window_rect;
 609     info->rebar_height = size_info->rcTarget.bottom-size_info->rcTarget.top;
 610     GetWindowRect(info->main_window,&window_rect);
 611     new_rect.left = 0;
 612     new_rect.top = info->rebar_height;
 613     new_rect.right = window_rect.right-window_rect.left;
 614     new_rect.bottom = window_rect.bottom-window_rect.top;
 615     IExplorerBrowser_SetRect(info->browser,NULL,new_rect);
 616     return 0;
 617 }
 618
 619 static LRESULT explorer_on_notify(explorer_info* info,NMHDR* notification)
 620 {
 621     WINE_TRACE("code=%i\n",notification->code);
 622     switch(notification->code)
 623     {
 624     case CBEN_BEGINEDIT:
 625         {
 626             WCHAR path[MAX_PATH];
 627             HWND edit_ctrl = (HWND)SendMessageW(notification->hwndFrom,
 628                                                 CBEM_GETEDITCONTROL,0,0);
 629             SHGetPathFromIDListW(info->pidl,path);
 630             SetWindowTextW(edit_ctrl,path);
 631             break;
 632         }
 633     case CBEN_ENDEDITA:
 634         {
 635             NMCBEENDEDITA *edit_info_a = (NMCBEENDEDITA*)notification;
 636             NMCBEENDEDITW edit_info_w;
 637             edit_info_w.hdr = edit_info_a->hdr;
 638             edit_info_w.fChanged = edit_info_a->fChanged;
 639             edit_info_w.iNewSelection = edit_info_a->iNewSelection;
 640             MultiByteToWideChar(CP_ACP,0,edit_info_a->szText,-1,
 641                                 edit_info_w.szText,CBEMAXSTRLEN);
 642             edit_info_w.iWhy = edit_info_a->iWhy;
 643             return explorer_on_end_edit(info,&edit_info_w);
 644         }
 645     case CBEN_ENDEDITW:
 646         return explorer_on_end_edit(info,(NMCBEENDEDITW*)notification);
 647     case CBEN_DELETEITEM:
 648         {
 649             NMCOMBOBOXEXW *entry = (NMCOMBOBOXEXW*)notification;
 650             if(entry->ceItem.lParam)
 651                 ILFree((LPITEMIDLIST)entry->ceItem.lParam);
 652             break;
 653         }
 654     case RBN_AUTOSIZE:
 655         return update_rebar_size(info,(NMRBAUTOSIZE*)notification);
 656     default:
 657         break;
 658     }
 659     return 0;
 660 }
 661
 662 static LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 663 {
 664     explorer_info *info
 665         = (explorer_info*)GetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX);
 666     IExplorerBrowser *browser = NULL;
 667
 668     WINE_TRACE("(hwnd=%p,uMsg=%u,wParam=%lx,lParam=%lx)\n",hwnd,uMsg,wParam,lParam);
 669     if(info)
 670         browser = info->browser;
 671     switch(uMsg)
 672     {
 673     case WM_DESTROY:
 674         IShellWindows_Revoke(info->sw, info->sw_cookie);
 675         IShellWindows_Release(info->sw);
 676
 677         IExplorerBrowser_Unadvise(browser,info->advise_cookie);
 678         IExplorerBrowser_Destroy(browser);
 679         IExplorerBrowser_Release(browser);
 680         ILFree(info->pidl);
 681         IImageList_Release(info->icon_list);
 682         HeapFree(GetProcessHeap(),0,info);
 683         SetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX,0);
 684         PostQuitMessage(0);
 685         break;
 686     case WM_QUIT:
 687         do_exit(wParam);
 688     case WM_NOTIFY:
 689         return explorer_on_notify(info,(NMHDR*)lParam);
 690     case WM_COMMAND:
 691         if(HIWORD(wParam)==BN_CLICKED)
 692         {
 693             switch(LOWORD(wParam))
 694             {
 695             case BACK_BUTTON:
 696                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_NAVIGATEBACK);
 697                 break;
 698             case FORWARD_BUTTON:
 699                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_NAVIGATEFORWARD);
 700                 break;
 701             case UP_BUTTON:
 702                 IExplorerBrowser_BrowseToObject(browser,NULL,SBSP_PARENT);
 703                 break;
 704             }
 705         }
 706         break;
 707     case WM_SIZE:
 708         update_window_size(info,HIWORD(lParam),LOWORD(lParam));
 709         break;
 710     default:
 711         return DefWindowProcW(hwnd,uMsg,wParam,lParam);
 712     }
 713     return 0;
 714 }
 715
 716 static void register_explorer_window_class(void)
 717 {
 718     WNDCLASSEXW window_class;
 719     window_class.cbSize = sizeof(WNDCLASSEXW);
 720     window_class.style = 0;
 721     window_class.cbClsExtra = 0;
 722     window_class.cbWndExtra = sizeof(LONG_PTR);
 723     window_class.lpfnWndProc = explorer_wnd_proc;
 724     window_class.hInstance = explorer_hInstance;
 725     window_class.hIcon = NULL;
 726     window_class.hCursor = NULL;
 727     window_class.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
 728     window_class.lpszMenuName = NULL;
 729     window_class.lpszClassName = EXPLORER_CLASS;
 730     window_class.hIconSm = NULL;
 731     RegisterClassExW(&window_class);
 732 }
 733
 734 static WCHAR *copy_path_string(WCHAR *target, WCHAR *source)
 735 {
 736     INT i = 0;
 737
 738     while (iswspace(*source)) source++;
 739
 740     if (*source == '\"')
 741     {
 742         source ++;
 743         while (*source && *source != '\"') target[i++] = *source++;
 744         target[i] = 0;
 745         if (*source) source++;
 746     }
 747     else
 748     {
 749         while (*source && *source != ',') target[i++] = *source++;
 750         target[i] = 0;
 751     }
 752     PathRemoveBackslashW(target);
 753     return source;
 754 }
 755
 756
 757 static void copy_path_root(LPWSTR root, LPWSTR path)
 758 {
 759     LPWSTR p,p2;
 760     INT i = 0;
 761
 762     p = path;
 763     while (*p!=0)
 764         p++;
 765
 766     while (*p!='\\' && p > path)
 767         p--;
 768
 769     if (p == path)
 770         return;
 771
 772     p2 = path;
 773     while (p2 != p)
 774     {
 775         root[i] = *p2;
 776         i++;
 777         p2++;
 778     }
 779     root[i] = 0;
 780 }
 781
 782 /*
 783  * Command Line parameters are:
 784  * [/n]  Opens in single-paned view for each selected items. This is default
 785  * [/e,] Uses Windows Explorer View
 786  * [/cd,object] Specifies the root level of the view
 787  * [/root,object] Specifies the root level of the view
 788  * [/select,object] parent folder is opened and specified object is selected
 789  */
 790 static void parse_command_line(LPWSTR commandline,parameters_struct *parameters)
 791 {
 792     static const WCHAR arg_n[] = {'/','n'};
 793     static const WCHAR arg_e[] = {'/','e',','};
 794     static const WCHAR arg_cd[] = {'/','c','d',','};
 795     static const WCHAR arg_root[] = {'/','r','o','o','t',','};
 796     static const WCHAR arg_select[] = {'/','s','e','l','e','c','t',','};
 797     static const WCHAR arg_desktop[] = {'/','d','e','s','k','t','o','p'};
 798     static const WCHAR arg_desktop_quotes[] = {'"','/','d','e','s','k','t','o','p'};
 799
 800     LPWSTR p = commandline;
 801
 802     while (*p)
 803     {
 804         while (iswspace(*p)) p++;
 805         if (wcsncmp(p, arg_n, ARRAY_SIZE( arg_n ))==0)
 806         {
 807             parameters->explorer_mode = FALSE;
 808             p += ARRAY_SIZE( arg_n );
 809         }
 810         else if (wcsncmp(p, arg_e, ARRAY_SIZE( arg_e ))==0)
 811         {
 812             parameters->explorer_mode = TRUE;
 813             p += ARRAY_SIZE( arg_e );
 814         }
 815         else if (wcsncmp(p, arg_cd, ARRAY_SIZE( arg_cd ))==0)
 816         {
 817             p += ARRAY_SIZE( arg_cd );
 818             p = copy_path_string(parameters->root,p);
 819         }
 820         else if (wcsncmp(p, arg_root, ARRAY_SIZE( arg_root ))==0)
 821         {
 822             p += ARRAY_SIZE( arg_root );
 823             p = copy_path_string(parameters->root,p);
 824         }
 825         else if (wcsncmp(p, arg_select, ARRAY_SIZE( arg_select ))==0)
 826         {
 827             p += ARRAY_SIZE( arg_select );
 828             p = copy_path_string(parameters->selection,p);
 829             if (!parameters->root[0])
 830                 copy_path_root(parameters->root,
 831                                parameters->selection);
 832         }
 833         else if (wcsncmp(p, arg_desktop, ARRAY_SIZE( arg_desktop ))==0)
 834         {
 835             p += ARRAY_SIZE( arg_desktop );
 836             manage_desktop( p );  /* the rest of the command line is handled by desktop mode */
 837         }
 838         /* workaround for Worms Armageddon that hardcodes a /desktop option with quotes */
 839         else if (wcsncmp(p, arg_desktop_quotes, ARRAY_SIZE( arg_desktop_quotes ))==0)
 840         {
 841             p += ARRAY_SIZE( arg_desktop_quotes );
 842             manage_desktop( p );  /* the rest of the command line is handled by desktop mode */
 843         }
 844         else
 845         {
 846             /* left over command line is generally the path to be opened */
 847             copy_path_string(parameters->root,p);
 848             break;
 849         }
 850     }
 851 }
 852
 853 int WINAPI wWinMain(HINSTANCE hinstance,
 854                     HINSTANCE previnstance,
 855                     LPWSTR cmdline,
 856                     int cmdshow)
 857 {
 858
 859     parameters_struct   parameters;
 860     HRESULT hres;
 861     INITCOMMONCONTROLSEX init_info;
 862
 863     memset(&parameters,0,sizeof(parameters));
 864     explorer_hInstance = hinstance;
 865     parse_command_line(cmdline,&parameters);
 866     hres = OleInitialize(NULL);
 867     if(FAILED(hres))
 868     {
 869         WINE_ERR("Could not initialize COM\n");
 870         ExitProcess(EXIT_FAILURE);
 871     }
 872     if(parameters.root[0] && !PathIsDirectoryW(parameters.root))
 873         if(ShellExecuteW(NULL,NULL,parameters.root,NULL,NULL,SW_SHOWDEFAULT) > (HINSTANCE)32)
 874             ExitProcess(EXIT_SUCCESS);
 875     init_info.dwSize = sizeof(INITCOMMONCONTROLSEX);
 876     init_info.dwICC = ICC_USEREX_CLASSES | ICC_BAR_CLASSES | ICC_COOL_CLASSES;
 877     if(!InitCommonControlsEx(&init_info))
 878     {
 879         WINE_ERR("Could not initialize Comctl\n");
 880         ExitProcess(EXIT_FAILURE);
 881     }
 882     register_explorer_window_class();
 883     make_explorer_window(&parameters);
 884     return 0;
 885 }