reactos/dll/win32/shell32/wine/control.c

   1 /* Control Panel management
   2  *
   3  * Copyright 2001 Eric Pouech
   4  * Copyright 2008 Owen Rudge
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <assert.h>
  22
  23 #define WIN32_NO_STATUS
  24 #define _INC_WINDOWS
  25
  26 #include <windef.h>
  27 #include <winbase.h>
  28 #define NO_SHLWAPI_REG
  29 #include <shlwapi.h>
  30 #include <shellapi.h>
  31 #include <wine/debug.h>
  32
  33 #include "cpanel.h"
  34 #include "wine/unicode.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
  37
  38 void Control_UnloadApplet(CPlApplet* applet)
  39 {
  40     unsigned    i;
  41
  42     for (i = 0; i < applet->count; i++)
  43         applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].data);
  44
  45     if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
  46     FreeLibrary(applet->hModule);
  47 #ifndef __REACTOS__
  48     list_remove( &applet->entry );
  49 #endif
  50     HeapFree(GetProcessHeap(), 0, applet->cmd);
  51     HeapFree(GetProcessHeap(), 0, applet);
  52 }
  53
  54 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
  55 {
  56 #ifdef __REACTOS__
  57     ACTCTXW ActCtx = {sizeof(ACTCTX), ACTCTX_FLAG_RESOURCE_NAME_VALID};
  58     ULONG_PTR cookie;
  59     BOOL bActivated;
  60 #endif
  61     CPlApplet*  applet;
  62     DWORD len;
  63     unsigned    i;
  64     CPLINFO     info;
  65     NEWCPLINFOW newinfo;
  66
  67     if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
  68        return applet;
  69
  70     len = ExpandEnvironmentStringsW(cmd, NULL, 0);
  71     if (len > 0)
  72     {
  73         if (!(applet->cmd = HeapAlloc(GetProcessHeap(), 0, (len+1) * sizeof(WCHAR))))
  74         {
  75             WARN("Cannot allocate memory for applet path\n");
  76             goto theError;
  77         }
  78         ExpandEnvironmentStringsW(cmd, applet->cmd, len+1);
  79     }
  80     else
  81     {
  82         WARN("Cannot expand applet path\n");
  83         goto theError;
  84     }
  85
  86     applet->hWnd = hWnd;
  87
  88 #ifdef __REACTOS__
  89     ActCtx.lpSource = applet->cmd;
  90     ActCtx.lpResourceName = (LPCWSTR)123;
  91     applet->hActCtx = CreateActCtx(&ActCtx);
  92     bActivated = (applet->hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(applet->hActCtx, &cookie) : FALSE);
  93 #endif
  94
  95     if (!(applet->hModule = LoadLibraryW(applet->cmd))) {
  96         WARN("Cannot load control panel applet %s\n", debugstr_w(applet->cmd));
  97         goto theError;
  98     }
  99     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
 100         WARN("Not a valid control panel applet %s\n", debugstr_w(applet->cmd));
 101         goto theError;
 102     }
 103     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
 104         WARN("Init of applet has failed\n");
 105         goto theError;
 106     }
 107     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
 108         WARN("No subprogram in applet\n");
 109         applet->proc(applet->hWnd, CPL_EXIT, 0, 0);
 110         goto theError;
 111     }
 112
 113     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
 114                          FIELD_OFFSET( CPlApplet, info[applet->count] ));
 115
 116     for (i = 0; i < applet->count; i++) {
 117        ZeroMemory(&newinfo, sizeof(newinfo));
 118        newinfo.dwSize = sizeof(NEWCPLINFOA);
 119        applet->info[i].helpfile[0] = 0;
 120        /* proc is supposed to return a null value upon success for
 121         * CPL_INQUIRE and CPL_NEWINQUIRE
 122         * However, real drivers don't seem to behave like this
 123         * So, use introspection rather than return value
 124         */
 125        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
 126        applet->info[i].data = info.lData;
 127 #ifdef __REACTOS__
 128        applet->info[i].idIcon = info.idIcon;
 129 #endif
 130
 131        if (info.idIcon != CPL_DYNAMIC_RES)
 132            applet->info[i].icon = LoadIconW(applet->hModule, MAKEINTRESOURCEW(info.idIcon));
 133        if (info.idName != CPL_DYNAMIC_RES)
 134            LoadStringW(applet->hModule, info.idName,
 135                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
 136        if (info.idInfo != CPL_DYNAMIC_RES)
 137            LoadStringW(applet->hModule, info.idInfo,
 138                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
 139
 140        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
 141           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
 142           icon, see what we can get from CPL_NEWINQUIRE */
 143
 144        if (!applet->info[i].name[0]) info.idName = CPL_DYNAMIC_RES;
 145
 146        /* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
 147           to check anyway */
 148
 149        if (!applet->info[i].info[0]) info.idInfo = CPL_DYNAMIC_RES;
 150
 151        if (applet->info[i].icon == NULL)
 152            info.idIcon = CPL_DYNAMIC_RES;
 153
 154        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
 155            (info.idInfo == CPL_DYNAMIC_RES)) {
 156            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
 157
 158            applet->info[i].data = newinfo.lData;
 159            if (info.idIcon == CPL_DYNAMIC_RES) {
 160                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
 161                applet->info[i].icon = newinfo.hIcon;
 162            }
 163            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
 164                if (info.idName == CPL_DYNAMIC_RES)
 165                    memcpy(applet->info[i].name, newinfo.szName, sizeof(newinfo.szName));
 166                if (info.idInfo == CPL_DYNAMIC_RES)
 167                    memcpy(applet->info[i].info, newinfo.szInfo, sizeof(newinfo.szInfo));
 168                memcpy(applet->info[i].helpfile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
 169            } else {
 170                if (info.idName == CPL_DYNAMIC_RES)
 171                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
 172                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
 173                                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
 174                if (info.idInfo == CPL_DYNAMIC_RES)
 175                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
 176                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
 177                                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
 178                MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
 179                                    sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
 180                                    applet->info[i].helpfile,
 181                                    sizeof(applet->info[i].helpfile) / sizeof(WCHAR));
 182            }
 183        }
 184     }
 185
 186 #ifdef __REACTOS__
 187     if (bActivated)
 188         DeactivateActCtx(0, cookie);
 189 #endif
 190
 191 #ifndef __REACTOS__
 192     list_add_head( &panel->applets, &applet->entry );
 193 #endif
 194
 195     return applet;
 196
 197  theError:
 198     FreeLibrary(applet->hModule);
 199     HeapFree(GetProcessHeap(), 0, applet->cmd);
 200     HeapFree(GetProcessHeap(), 0, applet);
 201     return NULL;
 202 }
 203
 204 #ifndef __REACTOS__
 205
 206 #define IDC_LISTVIEW        1000
 207 #define IDC_STATUSBAR       1001
 208
 209 #define NUM_COLUMNS            2
 210 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
 211                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
 212
 213 static BOOL Control_CreateListView (CPanel *panel)
 214 {
 215     RECT ws, sb;
 216     WCHAR empty_string[] = {0};
 217     WCHAR buf[MAX_STRING_LEN];
 218     LVCOLUMNW lvc;
 219
 220     /* Create list view */
 221     GetClientRect(panel->hWndStatusBar, &sb);
 222     GetClientRect(panel->hWnd, &ws);
 223
 224     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 225                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
 226                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
 227                           (sb.bottom - sb.top), panel->hWnd,
 228                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
 229
 230     if (!panel->hWndListView)
 231         return FALSE;
 232
 233     /* Create image lists for list view */
 234     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
 235         GetSystemMetrics(SM_CYSMICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 236     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
 237         GetSystemMetrics(SM_CYICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 238
 239     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
 240     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
 241
 242     /* Create columns for list view */
 243     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 244     lvc.pszText = buf;
 245     lvc.fmt = LVCFMT_LEFT;
 246
 247     /* Name column */
 248     lvc.iSubItem = 0;
 249     lvc.cx = (ws.right - ws.left) / 3;
 250     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, sizeof(buf) / sizeof(buf[0]));
 251
 252     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
 253         return FALSE;
 254
 255     /* Description column */
 256     lvc.iSubItem = 1;
 257     lvc.cx = ((ws.right - ws.left) / 3) * 2;
 258     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, sizeof(buf) /
 259         sizeof(buf[0]));
 260
 261     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
 262         return FALSE;
 263
 264     return(TRUE);
 265 }
 266
 267 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
 268 {
 269    CPanel* panel = cs->lpCreateParams;
 270    HMENU hMenu, hSubMenu;
 271    CPlApplet* applet;
 272    MENUITEMINFOW mii;
 273    unsigned int i;
 274    int menucount, index;
 275    CPlItem *item;
 276    LVITEMW lvItem;
 277    INITCOMMONCONTROLSEX icex;
 278    INT sb_parts;
 279    int itemidx;
 280
 281    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 282    panel->hWnd = hWnd;
 283
 284    /* Initialise common control DLL */
 285    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 286    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 287    InitCommonControlsEx(&icex);
 288
 289    /* create the status bar */
 290    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 291        return;
 292
 293    sb_parts = -1;
 294    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 295
 296    /* create the list view */
 297    if (!Control_CreateListView(panel))
 298        return;
 299
 300    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 301
 302    /* insert menu items for applets */
 303    hSubMenu = GetSubMenu(hMenu, 0);
 304    menucount = 0;
 305
 306    LIST_FOR_EACH_ENTRY( applet, &panel->applets, CPlApplet, entry )
 307    {
 308       for (i = 0; i < applet->count; i++) {
 309          /* set up a CPlItem for this particular subprogram */
 310          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
 311
 312          if (!item)
 313             continue;
 314
 315          item->applet = applet;
 316          item->id = i;
 317
 318          mii.cbSize = sizeof(MENUITEMINFOW);
 319          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
 320          mii.dwTypeData = applet->info[i].name;
 321          mii.cch = sizeof(applet->info[i].name) / sizeof(WCHAR);
 322          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 323          mii.dwItemData = (ULONG_PTR)item;
 324
 325          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 326             /* add the list view item */
 327             HICON icon = applet->info[i].icon;
 328             if (!icon) icon = LoadImageW( 0, (LPCWSTR)IDI_WINLOGO, IMAGE_ICON, 0, 0, LR_SHARED );
 329             index = ImageList_AddIcon(panel->hImageListLarge, icon);
 330             ImageList_AddIcon(panel->hImageListSmall, icon);
 331
 332             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 333             lvItem.iItem = menucount;
 334             lvItem.iSubItem = 0;
 335             lvItem.pszText = applet->info[i].name;
 336             lvItem.iImage = index;
 337             lvItem.lParam = (LPARAM) item;
 338
 339             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 340
 341             /* add the description */
 342             ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
 343
 344             /* update menu bar, increment count */
 345             DrawMenuBar(hWnd);
 346             menucount++;
 347          }
 348       }
 349    }
 350
 351    panel->total_subprogs = menucount;
 352
 353    /* check the "large items" icon in the View menu */
 354    hSubMenu = GetSubMenu(hMenu, 1);
 355    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 356       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 357
 358    SetMenu(hWnd, hMenu);
 359 }
 360
 361 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 362 {
 363     HMENU hMenu, hSubMenu;
 364     MENUITEMINFOW mii;
 365     unsigned int i;
 366
 367     /* get the File menu */
 368     hMenu = GetMenu(hWnd);
 369
 370     if (!hMenu)
 371         return;
 372
 373     hSubMenu = GetSubMenu(hMenu, 0);
 374
 375     if (!hSubMenu)
 376         return;
 377
 378     /* loop and free the item data */
 379     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 380     {
 381         mii.cbSize = sizeof(MENUITEMINFOW);
 382         mii.fMask = MIIM_DATA;
 383
 384         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 385             continue;
 386
 387         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
 388     }
 389 }
 390
 391 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 392 {
 393     HMENU hMenu, hSubMenu;
 394
 395     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 396
 397     /* update the menu */
 398     hMenu = GetMenu(panel->hWnd);
 399     hSubMenu = GetSubMenu(hMenu, 1);
 400
 401     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 402         id, MF_BYCOMMAND);
 403 }
 404
 405 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 406 {
 407     HMENU hMenu, hSubMenu;
 408     MENUITEMINFOW mii;
 409
 410     /* retrieve the CPlItem structure from the menu item data */
 411     hMenu = GetMenu(hWnd);
 412
 413     if (!hMenu)
 414         return NULL;
 415
 416     hSubMenu = GetSubMenu(hMenu, 0);
 417
 418     if (!hSubMenu)
 419         return NULL;
 420
 421     mii.cbSize = sizeof(MENUITEMINFOW);
 422     mii.fMask = MIIM_DATA;
 423
 424     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 425         return NULL;
 426
 427     return (CPlItem *) mii.dwItemData;
 428 }
 429
 430 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 431 {
 432     LVITEMW lvItem;
 433     int selitem;
 434
 435     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 436         | LVNI_SELECTED);
 437
 438     if (selitem != -1)
 439     {
 440         lvItem.iItem = selitem;
 441         lvItem.mask = LVIF_PARAM;
 442
 443         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 444             return (CPlItem *) lvItem.lParam;
 445     }
 446
 447     return NULL;
 448 }
 449
 450 static void Control_StartApplet(HWND hWnd, CPlItem *item)
 451 {
 452     WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
 453     WCHAR format[] = {'@','%','d',0};
 454     WCHAR param[MAX_PATH];
 455
 456     /* execute the applet if item is valid */
 457     if (item)
 458     {
 459         wsprintfW(param, format, item->id);
 460         ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
 461     }
 462 }
 463
 464 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 465                                         WPARAM lParam1, LPARAM lParam2)
 466 {
 467    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 468
 469    if (panel || wMsg == WM_CREATE) {
 470       switch (wMsg) {
 471       case WM_CREATE:
 472          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 473          return 0;
 474       case WM_DESTROY:
 475          {
 476              CPlApplet *applet, *next;
 477              LIST_FOR_EACH_ENTRY_SAFE( applet, next, &panel->applets, CPlApplet, entry )
 478                  Control_UnloadApplet(applet);
 479          }
 480          Control_FreeCPlItems(hWnd, panel);
 481          PostQuitMessage(0);
 482          break;
 483       case WM_COMMAND:
 484          switch (LOWORD(lParam1))
 485          {
 486              case IDM_CPANEL_EXIT:
 487                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 488                  return 0;
 489
 490              case IDM_CPANEL_ABOUT:
 491                  {
 492                      WCHAR appName[MAX_STRING_LEN];
 493                      HICON icon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL),
 494                                              IMAGE_ICON, 48, 48, LR_SHARED);
 495
 496                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
 497                          sizeof(appName) / sizeof(appName[0]));
 498                      ShellAboutW(hWnd, appName, NULL, icon);
 499
 500                      return 0;
 501                  }
 502
 503              case FCIDM_SHVIEW_BIGICON:
 504                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 505                  return 0;
 506
 507              case FCIDM_SHVIEW_SMALLICON:
 508                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 509                  return 0;
 510
 511              case FCIDM_SHVIEW_LISTVIEW:
 512                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 513                  return 0;
 514
 515              case FCIDM_SHVIEW_REPORTVIEW:
 516                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 517                  return 0;
 518
 519              default:
 520                  /* check if this is an applet */
 521                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 522                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 523                  {
 524                      Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
 525                      return 0;
 526                  }
 527
 528                  break;
 529          }
 530
 531          break;
 532
 533       case WM_NOTIFY:
 534       {
 535           LPNMHDR nmh = (LPNMHDR) lParam2;
 536
 537           switch (nmh->idFrom)
 538           {
 539               case IDC_LISTVIEW:
 540                   switch (nmh->code)
 541                   {
 542                       case NM_RETURN:
 543                       case NM_DBLCLK:
 544                       {
 545                           Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
 546                           return 0;
 547                       }
 548                       case LVN_ITEMCHANGED:
 549                       {
 550                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 551
 552                           /* update the status bar if item is valid */
 553                           if (item)
 554                               SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 555                           else
 556                               SetWindowTextW(panel->hWndStatusBar, NULL);
 557
 558                           return 0;
 559                       }
 560                   }
 561
 562                   break;
 563           }
 564
 565           break;
 566       }
 567
 568       case WM_MENUSELECT:
 569           /* check if this is an applet */
 570           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 571               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 572           {
 573               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 574
 575               /* update the status bar if item is valid */
 576               if (item)
 577                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 578           }
 579           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
 580           {
 581               /* reset status bar description to that of the selected icon */
 582               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 583
 584               if (item)
 585                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 586               else
 587                   SetWindowTextW(panel->hWndStatusBar, NULL);
 588
 589               return 0;
 590           }
 591           else
 592               SetWindowTextW(panel->hWndStatusBar, NULL);
 593
 594           return 0;
 595
 596       case WM_SIZE:
 597       {
 598           HDWP hdwp;
 599           RECT sb;
 600
 601           hdwp = BeginDeferWindowPos(2);
 602
 603           if (hdwp == NULL)
 604               break;
 605
 606           GetClientRect(panel->hWndStatusBar, &sb);
 607
 608           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
 609               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
 610               SWP_NOZORDER | SWP_NOMOVE);
 611
 612           if (hdwp == NULL)
 613               break;
 614
 615           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
 616               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
 617
 618           if (hdwp != NULL)
 619               EndDeferWindowPos(hdwp);
 620
 621           return 0;
 622       }
 623      }
 624    }
 625
 626    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
 627 }
 628
 629 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 630 {
 631     WNDCLASSEXW wc;
 632     MSG         msg;
 633     WCHAR appName[MAX_STRING_LEN];
 634     const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
 635         'l','_','W','n','d','C','l','a','s','s',0};
 636
 637     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
 638
 639     wc.cbSize = sizeof(wc);
 640     wc.style = CS_HREDRAW|CS_VREDRAW;
 641     wc.lpfnWndProc = Control_WndProc;
 642     wc.cbClsExtra = 0;
 643     wc.cbWndExtra = sizeof(CPlApplet*);
 644     wc.hInstance = panel->hInst = hInst;
 645     wc.hIcon = LoadIconW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL) );
 646     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 647     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 648     wc.lpszMenuName = NULL;
 649     wc.lpszClassName = className;
 650     wc.hIconSm = LoadImageW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL), IMAGE_ICON,
 651                              GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
 652
 653     if (!RegisterClassExW(&wc)) return;
 654
 655     CreateWindowExW(0, wc.lpszClassName, appName,
 656                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 657                     CW_USEDEFAULT, CW_USEDEFAULT,
 658                     CW_USEDEFAULT, CW_USEDEFAULT,
 659                     hWnd, NULL, hInst, panel);
 660     if (!panel->hWnd) return;
 661
 662     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 663         TranslateMessage(&msg);
 664         DispatchMessageW(&msg);
 665     }
 666 }
 667
 668 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 669 {
 670     WCHAR name[MAX_PATH];
 671     WCHAR value[MAX_PATH];
 672     HKEY hkey;
 673
 674     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 675     {
 676         int idx = 0;
 677
 678         for(;; ++idx)
 679         {
 680             DWORD nameLen = MAX_PATH;
 681             DWORD valueLen = MAX_PATH;
 682
 683             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 684                 break;
 685
 686             Control_LoadApplet(hWnd, value, panel);
 687         }
 688         RegCloseKey(hkey);
 689     }
 690 }
 691
 692 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 693 {
 694     HANDLE              h;
 695     WIN32_FIND_DATAW    fd;
 696     WCHAR               buffer[MAX_PATH];
 697     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
 698     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
 699             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 700             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
 701     WCHAR *p;
 702
 703     /* first add .cpl files in the system directory */
 704     GetSystemDirectoryW( buffer, MAX_PATH );
 705     p = buffer + strlenW(buffer);
 706     *p++ = '\\';
 707     lstrcpyW(p, wszAllCpl);
 708
 709     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 710         do {
 711            lstrcpyW(p, fd.cFileName);
 712            Control_LoadApplet(hWnd, buffer, panel);
 713         } while (FindNextFileW(h, &fd));
 714         FindClose(h);
 715     }
 716
 717     /* now check for cpls in the registry */
 718     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 719     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 720
 721     Control_DoInterface(panel, hWnd, hInst);
 722 }
 723
 724 #else
 725 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 726 {
 727     ShellExecuteW(NULL,
 728                   L"open",
 729                   L"explorer.exe",
 730                   L"::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}",
 731                   NULL,
 732                   SW_SHOWDEFAULT);
 733 }
 734 #endif
 735
 736 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 737    /* forms to parse:
 738     *   foo.cpl,@sp,str
 739     *   foo.cpl,@sp
 740     *   foo.cpl,,str
 741     *   foo.cpl @sp
 742     *   foo.cpl str
 743     *   "a path\foo.cpl"
 744     */
 745 {
 746     LPWSTR      buffer;
 747     LPWSTR      beg = NULL;
 748     LPWSTR      end;
 749     WCHAR       ch;
 750     LPWSTR       ptr;
 751     signed      sp = -1;
 752     LPWSTR      extraPmtsBuf = NULL;
 753     LPWSTR      extraPmts = NULL;
 754     BOOL        quoted = FALSE;
 755     CPlApplet *applet;
 756
 757     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 758     if (!buffer) return;
 759
 760     end = lstrcpyW(buffer, wszCmd);
 761
 762     for (;;) {
 763         ch = *end;
 764         if (ch == '"') quoted = !quoted;
 765         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 766             *end = '\0';
 767             if (beg) {
 768                 if (*beg == '@') {
 769                     sp = atoiW(beg + 1);
 770                 } else if (*beg == '\0') {
 771                     sp = -1;
 772                 } else {
 773                     extraPmtsBuf = beg;
 774                 }
 775             }
 776             if (ch == '\0') break;
 777             beg = end + 1;
 778             if (ch == ' ') while (end[1] == ' ') end++;
 779         }
 780         end++;
 781     }
 782     while ((ptr = StrChrW(buffer, '"')))
 783         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 784
 785     /* now check for any quotes in extraPmtsBuf and remove */
 786     if (extraPmtsBuf != NULL)
 787     {
 788         beg = end = extraPmtsBuf;
 789         quoted = FALSE;
 790
 791         for (;;) {
 792             ch = *end;
 793             if (ch == '"') quoted = !quoted;
 794             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 795                 *end = '\0';
 796                 if (beg) {
 797                     if (*beg != '\0') {
 798                         extraPmts = beg;
 799                     }
 800                 }
 801                 if (ch == '\0') break;
 802                 beg = end + 1;
 803                 if (ch == ' ') while (end[1] == ' ') end++;
 804             }
 805             end++;
 806         }
 807
 808         while ((ptr = StrChrW(extraPmts, '"')))
 809             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 810
 811         if (extraPmts == NULL)
 812             extraPmts = extraPmtsBuf;
 813     }
 814
 815     /* Now check if there had been a numerical value in the extra params */
 816     if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
 817         sp = atoiW(extraPmts + 1);
 818     }
 819
 820     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 821
 822     applet = Control_LoadApplet(hWnd, buffer, panel);
 823     if (applet)
 824     {
 825 #ifdef __REACTOS__
 826     ULONG_PTR cookie;
 827     BOOL bActivated;
 828 #endif
 829         /* we've been given a textual parameter (or none at all) */
 830         if (sp == -1) {
 831             while ((++sp) != applet->count) {
 832                 TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
 833
 834                 if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
 835                     break;
 836             }
 837         }
 838
 839         if (sp >= applet->count) {
 840             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 841             sp = 0;
 842         }
 843
 844 #ifdef __REACTOS__
 845         bActivated = (applet->hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(applet->hActCtx, &cookie) : FALSE);
 846 #endif
 847
 848         if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
 849             applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
 850
 851         Control_UnloadApplet(applet);
 852
 853 #ifdef __REACTOS__
 854     if (bActivated)
 855         DeactivateActCtx(0, cookie);
 856 #endif
 857
 858     }
 859
 860     HeapFree(GetProcessHeap(), 0, buffer);
 861 }
 862
 863 /*************************************************************************
 864  * Control_RunDLLW                      [SHELL32.@]
 865  *
 866  */
 867 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
 868 {
 869     CPanel      panel;
 870
 871     TRACE("(%p, %p, %s, 0x%08x)\n",
 872           hWnd, hInst, debugstr_w(cmd), nCmdShow);
 873
 874 #ifndef __REACTOS__
 875     memset(&panel, 0, sizeof(panel));
 876     list_init( &panel.applets );
 877 #endif
 878
 879     if (!cmd || !*cmd) {
 880         Control_DoWindow(&panel, hWnd, hInst);
 881     } else {
 882         Control_DoLaunch(&panel, hWnd, cmd);
 883     }
 884 }
 885
 886 /*************************************************************************
 887  * Control_RunDLLA                      [SHELL32.@]
 888  *
 889  */
 890 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
 891 {
 892     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
 893     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 894     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
 895     {
 896         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
 897     }
 898     HeapFree(GetProcessHeap(), 0, wszCmd);
 899 }
 900
 901 /*************************************************************************
 902  * Control_FillCache_RunDLLW                    [SHELL32.@]
 903  *
 904  */
 905 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 906 {
 907     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
 908     return S_OK;
 909 }
 910
 911 /*************************************************************************
 912  * Control_FillCache_RunDLLA                    [SHELL32.@]
 913  *
 914  */
 915 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 916 {
 917     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
 918 }
 919
 920
 921 #ifdef __REACTOS__
 922 /*************************************************************************
 923  * RunDll_CallEntry16                [SHELL32.122]
 924  * the name is OK (when written with Dll, and not DLL as in Wine!)
 925  */
 926 void WINAPI RunDll_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
 927                                 LPCSTR cmdline, INT cmdshow )
 928 {
 929     FIXME( "proc %lx hwnd %p inst %p cmdline %s cmdshow %d\n",
 930            proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
 931 }
 932 #endif
 933
 934 /*************************************************************************
 935  * CallCPLEntry16                               [SHELL32.166]
 936  *
 937  * called by desk.cpl on "Advanced" with:
 938  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 939  *
 940  */
 941 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
 942 {
 943     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
 944     return 0x0deadbee;
 945 }