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