dlls/shell32/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 #include <stdarg.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "wine/debug.h"
  33 #include "cpl.h"
  34 #include "wine/unicode.h"
  35 #include "commctrl.h"
  36
  37 #define NO_SHLWAPI_REG
  38 #include "shlwapi.h"
  39
  40 #include "cpanel.h"
  41 #include "shresdef.h"
  42 #include "shell32_main.h"
  43
  44 #define MAX_STRING_LEN      1024
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
  47
  48 void Control_UnloadApplet(CPlApplet* applet)
  49 {
  50     unsigned    i;
  51
  52     for (i = 0; i < applet->count; i++)
  53         applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].data);
  54
  55     if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
  56     FreeLibrary(applet->hModule);
  57     list_remove( &applet->entry );
  58     heap_free(applet->cmd);
  59     heap_free(applet);
  60 }
  61
  62 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
  63 {
  64     CPlApplet*  applet;
  65     DWORD len;
  66     unsigned    i;
  67     CPLINFO     info;
  68     NEWCPLINFOW newinfo;
  69
  70     if (!(applet = heap_alloc_zero(sizeof(*applet))))
  71        return applet;
  72
  73     len = ExpandEnvironmentStringsW(cmd, NULL, 0);
  74     if (len > 0)
  75     {
  76         if (!(applet->cmd = heap_alloc((len+1) * sizeof(WCHAR))))
  77         {
  78             WARN("Cannot allocate memory for applet path\n");
  79             goto theError;
  80         }
  81         ExpandEnvironmentStringsW(cmd, applet->cmd, len+1);
  82     }
  83     else
  84     {
  85         WARN("Cannot expand applet path\n");
  86         goto theError;
  87     }
  88
  89     applet->hWnd = hWnd;
  90
  91     if (!(applet->hModule = LoadLibraryW(applet->cmd))) {
  92         WARN("Cannot load control panel applet %s\n", debugstr_w(applet->cmd));
  93         goto theError;
  94     }
  95     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
  96         WARN("Not a valid control panel applet %s\n", debugstr_w(applet->cmd));
  97         goto theError;
  98     }
  99     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
 100         WARN("Init of applet has failed\n");
 101         goto theError;
 102     }
 103     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
 104         WARN("No subprogram in applet\n");
 105         applet->proc(applet->hWnd, CPL_EXIT, 0, 0);
 106         goto theError;
 107     }
 108
 109     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
 110                          FIELD_OFFSET( CPlApplet, info[applet->count] ));
 111
 112     for (i = 0; i < applet->count; i++) {
 113        ZeroMemory(&newinfo, sizeof(newinfo));
 114        newinfo.dwSize = sizeof(NEWCPLINFOA);
 115        applet->info[i].helpfile[0] = 0;
 116        /* proc is supposed to return a null value upon success for
 117         * CPL_INQUIRE and CPL_NEWINQUIRE
 118         * However, real drivers don't seem to behave like this
 119         * So, use introspection rather than return value
 120         */
 121        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
 122        applet->info[i].data = info.lData;
 123        if (info.idIcon != CPL_DYNAMIC_RES)
 124            applet->info[i].icon = LoadIconW(applet->hModule, MAKEINTRESOURCEW(info.idIcon));
 125        if (info.idName != CPL_DYNAMIC_RES)
 126            LoadStringW(applet->hModule, info.idName,
 127                        applet->info[i].name, ARRAY_SIZE(applet->info[i].name));
 128        if (info.idInfo != CPL_DYNAMIC_RES)
 129            LoadStringW(applet->hModule, info.idInfo,
 130                        applet->info[i].info, ARRAY_SIZE(applet->info[i].info));
 131
 132        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
 133           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
 134           icon, see what we can get from CPL_NEWINQUIRE */
 135
 136        if (!applet->info[i].name[0]) info.idName = CPL_DYNAMIC_RES;
 137
 138        /* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
 139           to check anyway */
 140
 141        if (!applet->info[i].info[0]) info.idInfo = CPL_DYNAMIC_RES;
 142
 143        if (applet->info[i].icon == NULL)
 144            info.idIcon = CPL_DYNAMIC_RES;
 145
 146        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
 147            (info.idInfo == CPL_DYNAMIC_RES)) {
 148            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
 149
 150            applet->info[i].data = newinfo.lData;
 151            if (info.idIcon == CPL_DYNAMIC_RES) {
 152                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
 153                applet->info[i].icon = newinfo.hIcon;
 154            }
 155            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
 156                if (info.idName == CPL_DYNAMIC_RES)
 157                    memcpy(applet->info[i].name, newinfo.szName, sizeof(newinfo.szName));
 158                if (info.idInfo == CPL_DYNAMIC_RES)
 159                    memcpy(applet->info[i].info, newinfo.szInfo, sizeof(newinfo.szInfo));
 160                memcpy(applet->info[i].helpfile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
 161            } else {
 162                NEWCPLINFOA *infoA = (NEWCPLINFOA *)&newinfo;
 163
 164                if (info.idName == CPL_DYNAMIC_RES)
 165                    MultiByteToWideChar(CP_ACP, 0, infoA->szName, ARRAY_SIZE(infoA->szName),
 166                        applet->info[i].name, ARRAY_SIZE(applet->info[i].name));
 167                if (info.idInfo == CPL_DYNAMIC_RES)
 168                    MultiByteToWideChar(CP_ACP, 0, infoA->szInfo, ARRAY_SIZE(infoA->szInfo),
 169                        applet->info[i].info, ARRAY_SIZE(applet->info[i].info));
 170                MultiByteToWideChar(CP_ACP, 0, infoA->szHelpFile, ARRAY_SIZE(infoA->szHelpFile),
 171                        applet->info[i].helpfile, ARRAY_SIZE(applet->info[i].helpfile));
 172            }
 173        }
 174     }
 175
 176     list_add_head( &panel->applets, &applet->entry );
 177     return applet;
 178
 179  theError:
 180     FreeLibrary(applet->hModule);
 181     heap_free(applet->cmd);
 182     heap_free(applet);
 183     return NULL;
 184 }
 185
 186 #define IDC_LISTVIEW        1000
 187 #define IDC_STATUSBAR       1001
 188
 189 #define NUM_COLUMNS            2
 190 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
 191                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
 192
 193 static BOOL Control_CreateListView (CPanel *panel)
 194 {
 195     static const WCHAR empty_string[] = {0};
 196     RECT ws, sb;
 197     WCHAR buf[MAX_STRING_LEN];
 198     LVCOLUMNW lvc;
 199
 200     /* Create list view */
 201     GetClientRect(panel->hWndStatusBar, &sb);
 202     GetClientRect(panel->hWnd, &ws);
 203
 204     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 205                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
 206                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
 207                           (sb.bottom - sb.top), panel->hWnd,
 208                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
 209
 210     if (!panel->hWndListView)
 211         return FALSE;
 212
 213     /* Create image lists for list view */
 214     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
 215         GetSystemMetrics(SM_CYSMICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 216     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
 217         GetSystemMetrics(SM_CYICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 218
 219     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
 220     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
 221
 222     /* Create columns for list view */
 223     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 224     lvc.pszText = buf;
 225     lvc.fmt = LVCFMT_LEFT;
 226
 227     /* Name column */
 228     lvc.iSubItem = 0;
 229     lvc.cx = (ws.right - ws.left) / 3;
 230     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, ARRAY_SIZE(buf));
 231
 232     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
 233         return FALSE;
 234
 235     /* Description column */
 236     lvc.iSubItem = 1;
 237     lvc.cx = ((ws.right - ws.left) / 3) * 2;
 238     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, ARRAY_SIZE(buf));
 239
 240     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
 241         return FALSE;
 242
 243     return(TRUE);
 244 }
 245
 246 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
 247 {
 248    CPanel* panel = cs->lpCreateParams;
 249    HMENU hMenu, hSubMenu;
 250    CPlApplet* applet;
 251    MENUITEMINFOW mii;
 252    unsigned int i;
 253    int menucount, index;
 254    CPlItem *item;
 255    LVITEMW lvItem;
 256    INITCOMMONCONTROLSEX icex;
 257    INT sb_parts;
 258    int itemidx;
 259
 260    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 261    panel->hWnd = hWnd;
 262
 263    /* Initialise common control DLL */
 264    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 265    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 266    InitCommonControlsEx(&icex);
 267
 268    /* create the status bar */
 269    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 270        return;
 271
 272    sb_parts = -1;
 273    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 274
 275    /* create the list view */
 276    if (!Control_CreateListView(panel))
 277        return;
 278
 279    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 280
 281    /* insert menu items for applets */
 282    hSubMenu = GetSubMenu(hMenu, 0);
 283    menucount = 0;
 284
 285    LIST_FOR_EACH_ENTRY( applet, &panel->applets, CPlApplet, entry )
 286    {
 287       for (i = 0; i < applet->count; i++) {
 288          /* set up a CPlItem for this particular subprogram */
 289          item = heap_alloc(sizeof(CPlItem));
 290
 291          if (!item)
 292             continue;
 293
 294          item->applet = applet;
 295          item->id = i;
 296
 297          mii.cbSize = sizeof(MENUITEMINFOW);
 298          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
 299          mii.dwTypeData = applet->info[i].name;
 300          mii.cch = ARRAY_SIZE(applet->info[i].name);
 301          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 302          mii.dwItemData = (ULONG_PTR)item;
 303
 304          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 305             /* add the list view item */
 306             HICON icon = applet->info[i].icon;
 307             if (!icon) icon = LoadImageW( 0, (LPCWSTR)IDI_WINLOGO, IMAGE_ICON, 0, 0, LR_SHARED );
 308             index = ImageList_AddIcon(panel->hImageListLarge, icon);
 309             ImageList_AddIcon(panel->hImageListSmall, icon);
 310
 311             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 312             lvItem.iItem = menucount;
 313             lvItem.iSubItem = 0;
 314             lvItem.pszText = applet->info[i].name;
 315             lvItem.iImage = index;
 316             lvItem.lParam = (LPARAM) item;
 317
 318             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 319
 320             /* add the description */
 321             ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
 322
 323             /* update menu bar, increment count */
 324             DrawMenuBar(hWnd);
 325             menucount++;
 326          }
 327       }
 328    }
 329
 330    panel->total_subprogs = menucount;
 331
 332    /* check the "large items" icon in the View menu */
 333    hSubMenu = GetSubMenu(hMenu, 1);
 334    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 335       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 336
 337    SetMenu(hWnd, hMenu);
 338 }
 339
 340 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 341 {
 342     HMENU hMenu, hSubMenu;
 343     MENUITEMINFOW mii;
 344     unsigned int i;
 345
 346     /* get the File menu */
 347     hMenu = GetMenu(hWnd);
 348
 349     if (!hMenu)
 350         return;
 351
 352     hSubMenu = GetSubMenu(hMenu, 0);
 353
 354     if (!hSubMenu)
 355         return;
 356
 357     /* loop and free the item data */
 358     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 359     {
 360         mii.cbSize = sizeof(MENUITEMINFOW);
 361         mii.fMask = MIIM_DATA;
 362
 363         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 364             continue;
 365
 366         heap_free((void *)mii.dwItemData);
 367     }
 368 }
 369
 370 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 371 {
 372     HMENU hMenu, hSubMenu;
 373
 374     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 375
 376     /* update the menu */
 377     hMenu = GetMenu(panel->hWnd);
 378     hSubMenu = GetSubMenu(hMenu, 1);
 379
 380     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 381         id, MF_BYCOMMAND);
 382 }
 383
 384 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 385 {
 386     HMENU hMenu, hSubMenu;
 387     MENUITEMINFOW mii;
 388
 389     /* retrieve the CPlItem structure from the menu item data */
 390     hMenu = GetMenu(hWnd);
 391
 392     if (!hMenu)
 393         return NULL;
 394
 395     hSubMenu = GetSubMenu(hMenu, 0);
 396
 397     if (!hSubMenu)
 398         return NULL;
 399
 400     mii.cbSize = sizeof(MENUITEMINFOW);
 401     mii.fMask = MIIM_DATA;
 402
 403     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 404         return NULL;
 405
 406     return (CPlItem *) mii.dwItemData;
 407 }
 408
 409 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 410 {
 411     LVITEMW lvItem;
 412     int selitem;
 413
 414     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 415         | LVNI_SELECTED);
 416
 417     if (selitem != -1)
 418     {
 419         lvItem.iItem = selitem;
 420         lvItem.mask = LVIF_PARAM;
 421
 422         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 423             return (CPlItem *) lvItem.lParam;
 424     }
 425
 426     return NULL;
 427 }
 428
 429 static void Control_StartApplet(HWND hWnd, CPlItem *item)
 430 {
 431     static const WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
 432     static const WCHAR format[] = {'@','%','d',0};
 433     WCHAR param[MAX_PATH];
 434
 435     /* execute the applet if item is valid */
 436     if (item)
 437     {
 438         wsprintfW(param, format, item->id);
 439         ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
 440     }
 441 }
 442
 443 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 444                                         WPARAM lParam1, LPARAM lParam2)
 445 {
 446    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 447
 448    if (panel || wMsg == WM_CREATE) {
 449       switch (wMsg) {
 450       case WM_CREATE:
 451          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 452          return 0;
 453       case WM_DESTROY:
 454          {
 455              CPlApplet *applet, *next;
 456              LIST_FOR_EACH_ENTRY_SAFE( applet, next, &panel->applets, CPlApplet, entry )
 457                  Control_UnloadApplet(applet);
 458          }
 459          Control_FreeCPlItems(hWnd, panel);
 460          PostQuitMessage(0);
 461          break;
 462       case WM_COMMAND:
 463          switch (LOWORD(lParam1))
 464          {
 465              case IDM_CPANEL_EXIT:
 466                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 467                  return 0;
 468
 469              case IDM_CPANEL_ABOUT:
 470                  {
 471                      WCHAR appName[MAX_STRING_LEN];
 472                      HICON icon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL),
 473                                              IMAGE_ICON, 48, 48, LR_SHARED);
 474
 475                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, ARRAY_SIZE(appName));
 476                      ShellAboutW(hWnd, appName, NULL, icon);
 477
 478                      return 0;
 479                  }
 480
 481              case FCIDM_SHVIEW_BIGICON:
 482                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 483                  return 0;
 484
 485              case FCIDM_SHVIEW_SMALLICON:
 486                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 487                  return 0;
 488
 489              case FCIDM_SHVIEW_LISTVIEW:
 490                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 491                  return 0;
 492
 493              case FCIDM_SHVIEW_REPORTVIEW:
 494                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 495                  return 0;
 496
 497              default:
 498                  /* check if this is an applet */
 499                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 500                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 501                  {
 502                      Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
 503                      return 0;
 504                  }
 505
 506                  break;
 507          }
 508
 509          break;
 510
 511       case WM_NOTIFY:
 512       {
 513           LPNMHDR nmh = (LPNMHDR) lParam2;
 514
 515           switch (nmh->idFrom)
 516           {
 517               case IDC_LISTVIEW:
 518                   switch (nmh->code)
 519                   {
 520                       case NM_RETURN:
 521                       case NM_DBLCLK:
 522                       {
 523                           Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
 524                           return 0;
 525                       }
 526                       case LVN_ITEMCHANGED:
 527                       {
 528                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 529
 530                           /* update the status bar if item is valid */
 531                           if (item)
 532                               SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 533                           else
 534                               SetWindowTextW(panel->hWndStatusBar, NULL);
 535
 536                           return 0;
 537                       }
 538                   }
 539
 540                   break;
 541           }
 542
 543           break;
 544       }
 545
 546       case WM_MENUSELECT:
 547           /* check if this is an applet */
 548           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 549               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 550           {
 551               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 552
 553               /* update the status bar if item is valid */
 554               if (item)
 555                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 556           }
 557           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
 558           {
 559               /* reset status bar description to that of the selected icon */
 560               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 561
 562               if (item)
 563                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 564               else
 565                   SetWindowTextW(panel->hWndStatusBar, NULL);
 566
 567               return 0;
 568           }
 569           else
 570               SetWindowTextW(panel->hWndStatusBar, NULL);
 571
 572           return 0;
 573
 574       case WM_SIZE:
 575       {
 576           HDWP hdwp;
 577           RECT sb;
 578
 579           hdwp = BeginDeferWindowPos(2);
 580
 581           if (hdwp == NULL)
 582               break;
 583
 584           GetClientRect(panel->hWndStatusBar, &sb);
 585
 586           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
 587               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
 588               SWP_NOZORDER | SWP_NOMOVE);
 589
 590           if (hdwp == NULL)
 591               break;
 592
 593           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
 594               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
 595
 596           if (hdwp != NULL)
 597               EndDeferWindowPos(hdwp);
 598
 599           return 0;
 600       }
 601      }
 602    }
 603
 604    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
 605 }
 606
 607 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 608 {
 609     static const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
 610         'l','_','W','n','d','C','l','a','s','s',0};
 611     WNDCLASSEXW wc;
 612     MSG         msg;
 613     WCHAR appName[MAX_STRING_LEN];
 614
 615     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, ARRAY_SIZE(appName));
 616
 617     wc.cbSize = sizeof(wc);
 618     wc.style = CS_HREDRAW|CS_VREDRAW;
 619     wc.lpfnWndProc = Control_WndProc;
 620     wc.cbClsExtra = 0;
 621     wc.cbWndExtra = sizeof(CPlApplet*);
 622     wc.hInstance = panel->hInst = hInst;
 623     wc.hIcon = LoadIconW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL) );
 624     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 625     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 626     wc.lpszMenuName = NULL;
 627     wc.lpszClassName = className;
 628     wc.hIconSm = LoadImageW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL), IMAGE_ICON,
 629                              GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
 630
 631     if (!RegisterClassExW(&wc)) return;
 632
 633     CreateWindowExW(0, wc.lpszClassName, appName,
 634                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 635                     CW_USEDEFAULT, CW_USEDEFAULT,
 636                     CW_USEDEFAULT, CW_USEDEFAULT,
 637                     hWnd, NULL, hInst, panel);
 638     if (!panel->hWnd) return;
 639
 640     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 641         TranslateMessage(&msg);
 642         DispatchMessageW(&msg);
 643     }
 644 }
 645
 646 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 647 {
 648     WCHAR name[MAX_PATH];
 649     WCHAR value[MAX_PATH];
 650     HKEY hkey;
 651
 652     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 653     {
 654         int idx = 0;
 655
 656         for(;; ++idx)
 657         {
 658             DWORD nameLen = MAX_PATH;
 659             DWORD valueLen = MAX_PATH;
 660
 661             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 662                 break;
 663
 664             Control_LoadApplet(hWnd, value, panel);
 665         }
 666         RegCloseKey(hkey);
 667     }
 668 }
 669
 670 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 671 {
 672     HANDLE              h;
 673     WIN32_FIND_DATAW    fd;
 674     WCHAR               buffer[MAX_PATH];
 675     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
 676     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
 677             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 678             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
 679     WCHAR *p;
 680
 681     /* first add .cpl files in the system directory */
 682     GetSystemDirectoryW( buffer, MAX_PATH );
 683     p = buffer + strlenW(buffer);
 684     *p++ = '\\';
 685     lstrcpyW(p, wszAllCpl);
 686
 687     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 688         do {
 689            lstrcpyW(p, fd.cFileName);
 690            Control_LoadApplet(hWnd, buffer, panel);
 691         } while (FindNextFileW(h, &fd));
 692         FindClose(h);
 693     }
 694
 695     /* now check for cpls in the registry */
 696     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 697     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 698
 699     Control_DoInterface(panel, hWnd, hInst);
 700 }
 701
 702 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 703    /* forms to parse:
 704     *   foo.cpl,@sp,str
 705     *   foo.cpl,@sp
 706     *   foo.cpl,,str
 707     *   foo.cpl @sp
 708     *   foo.cpl str
 709     *   "a path\foo.cpl"
 710     */
 711 {
 712     LPWSTR      buffer;
 713     LPWSTR      beg = NULL;
 714     LPWSTR      end;
 715     WCHAR       ch;
 716     LPWSTR       ptr;
 717     signed      sp = -1;
 718     LPWSTR      extraPmtsBuf = NULL;
 719     LPWSTR      extraPmts = NULL;
 720     BOOL        quoted = FALSE;
 721     CPlApplet *applet;
 722
 723     buffer = heap_alloc((lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 724     if (!buffer) return;
 725
 726     end = lstrcpyW(buffer, wszCmd);
 727
 728     for (;;) {
 729         ch = *end;
 730         if (ch == '"') quoted = !quoted;
 731         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 732             *end = '\0';
 733             if (beg) {
 734                 if (*beg == '@') {
 735                     sp = atoiW(beg + 1);
 736                 } else if (*beg == '\0') {
 737                     sp = -1;
 738                 } else {
 739                     extraPmtsBuf = beg;
 740                 }
 741             }
 742             if (ch == '\0') break;
 743             beg = end + 1;
 744             if (ch == ' ') while (end[1] == ' ') end++;
 745         }
 746         end++;
 747     }
 748     while ((ptr = StrChrW(buffer, '"')))
 749         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 750
 751     /* now check for any quotes in extraPmtsBuf and remove */
 752     if (extraPmtsBuf != NULL)
 753     {
 754         beg = end = extraPmtsBuf;
 755         quoted = FALSE;
 756
 757         for (;;) {
 758             ch = *end;
 759             if (ch == '"') quoted = !quoted;
 760             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 761                 *end = '\0';
 762                 if (beg) {
 763                     if (*beg != '\0') {
 764                         extraPmts = beg;
 765                     }
 766                 }
 767                 if (ch == '\0') break;
 768                 beg = end + 1;
 769                 if (ch == ' ') while (end[1] == ' ') end++;
 770             }
 771             end++;
 772         }
 773
 774         while ((ptr = StrChrW(extraPmts, '"')))
 775             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 776
 777         if (extraPmts == NULL)
 778             extraPmts = extraPmtsBuf;
 779     }
 780
 781     /* Now check if there had been a numerical value in the extra params */
 782     if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
 783         sp = atoiW(extraPmts + 1);
 784     }
 785
 786     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 787
 788     applet = Control_LoadApplet(hWnd, buffer, panel);
 789     if (applet)
 790     {
 791         /* we've been given a textual parameter (or none at all) */
 792         if (sp == -1) {
 793             while ((++sp) != applet->count) {
 794                 TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
 795
 796                 if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
 797                     break;
 798             }
 799         }
 800
 801         if (sp >= applet->count) {
 802             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 803             sp = 0;
 804         }
 805
 806         if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
 807             applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
 808
 809         Control_UnloadApplet(applet);
 810     }
 811
 812     heap_free(buffer);
 813 }
 814
 815 /*************************************************************************
 816  * Control_RunDLLW                      [SHELL32.@]
 817  *
 818  */
 819 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
 820 {
 821     CPanel      panel;
 822
 823     TRACE("(%p, %p, %s, 0x%08x)\n",
 824           hWnd, hInst, debugstr_w(cmd), nCmdShow);
 825
 826     memset(&panel, 0, sizeof(panel));
 827     list_init( &panel.applets );
 828
 829     if (!cmd || !*cmd) {
 830         Control_DoWindow(&panel, hWnd, hInst);
 831     } else {
 832         Control_DoLaunch(&panel, hWnd, cmd);
 833     }
 834 }
 835
 836 /*************************************************************************
 837  * Control_RunDLLA                      [SHELL32.@]
 838  *
 839  */
 840 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
 841 {
 842     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
 843     LPWSTR wszCmd = heap_alloc(len * sizeof(WCHAR));
 844     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
 845     {
 846         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
 847     }
 848     heap_free(wszCmd);
 849 }
 850
 851 /*************************************************************************
 852  * Control_FillCache_RunDLLW                    [SHELL32.@]
 853  *
 854  */
 855 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 856 {
 857     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
 858     return S_OK;
 859 }
 860
 861 /*************************************************************************
 862  * Control_FillCache_RunDLLA                    [SHELL32.@]
 863  *
 864  */
 865 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 866 {
 867     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
 868 }
 869
 870 /*************************************************************************
 871  * CallCPLEntry16                               [SHELL32.166]
 872  *
 873  * called by desk.cpl on "Advanced" with:
 874  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 875  *
 876  */
 877 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
 878 {
 879     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
 880     return 0x0deadbee;
 881 }
 882
 883 /*************************************************************************
 884  * RunDLL_CallEntry16        [SHELL32.122]
 885  * Manually relay this function to make Tages Protection v5 happy
 886  */
 887 void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
 888                                 LPCSTR cmdline, INT cmdshow )
 889 {
 890     static HMODULE shell16 = NULL;
 891     static void (WINAPI *pRunDLL_CallEntry16)( DWORD proc, HWND hwnd, HINSTANCE inst,
 892                                                LPCSTR cmdline, INT cmdshow ) = NULL;
 893
 894     if (!pRunDLL_CallEntry16)
 895     {
 896         if (!shell16 && !(shell16 = LoadLibraryA( "shell.dll16" )))
 897             return;
 898         if (!(pRunDLL_CallEntry16 = (void *)GetProcAddress( shell16, "RunDLL_CallEntry16" )))
 899             return;
 900     }
 901
 902     pRunDLL_CallEntry16( proc, hwnd, inst, cmdline, cmdshow );
 903 }