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