git.oblomov.eu Git - wine/blob - 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/winbase16.h"
  33 #include "wownt32.h"
  34 #include "wine/debug.h"
  35 #include "cpl.h"
  36 #include "wine/unicode.h"
  37 #include "commctrl.h"
  38
  39 #define NO_SHLWAPI_REG
  40 #include "shlwapi.h"
  41
  42 #include "cpanel.h"
  43 #include "shresdef.h"
  44 #include "shell32_main.h"
  45
  46 #define MAX_STRING_LEN      1024
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
  49
  50 CPlApplet*      Control_UnloadApplet(CPlApplet* applet)
  51 {
  52     unsigned    i;
  53     CPlApplet*  next;
  54
  55     for (i = 0; i < applet->count; i++) {
  56         if (!applet->info[i].dwSize) continue;
  57         applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].lData);
  58     }
  59     if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
  60     FreeLibrary(applet->hModule);
  61     next = applet->next;
  62     HeapFree(GetProcessHeap(), 0, applet);
  63     return next;
  64 }
  65
  66 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
  67 {
  68     CPlApplet*  applet;
  69     unsigned    i;
  70     CPLINFO     info;
  71     NEWCPLINFOW newinfo;
  72
  73     if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
  74        return applet;
  75
  76     applet->hWnd = hWnd;
  77
  78     if (!(applet->hModule = LoadLibraryW(cmd))) {
  79         WARN("Cannot load control panel applet %s\n", debugstr_w(cmd));
  80         goto theError;
  81     }
  82     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
  83         WARN("Not a valid control panel applet %s\n", debugstr_w(cmd));
  84         goto theError;
  85     }
  86     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
  87         WARN("Init of applet has failed\n");
  88         goto theError;
  89     }
  90     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
  91         WARN("No subprogram in applet\n");
  92         goto theError;
  93     }
  94
  95     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
  96                          sizeof(*applet) + (applet->count - 1) * sizeof(NEWCPLINFOW));
  97
  98     for (i = 0; i < applet->count; i++) {
  99        ZeroMemory(&newinfo, sizeof(newinfo));
 100        newinfo.dwSize = sizeof(NEWCPLINFOA);
 101        applet->info[i].dwSize = sizeof(NEWCPLINFOW);
 102        applet->info[i].dwFlags = 0;
 103        applet->info[i].dwHelpContext = 0;
 104        applet->info[i].szHelpFile[0] = '\0';
 105        /* proc is supposed to return a null value upon success for
 106         * CPL_INQUIRE and CPL_NEWINQUIRE
 107         * However, real drivers don't seem to behave like this
 108         * So, use introspection rather than return value
 109         */
 110        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
 111        applet->info[i].lData = info.lData;
 112        if (info.idIcon != CPL_DYNAMIC_RES)
 113            applet->info[i].hIcon = LoadIconW(applet->hModule,
 114                                              MAKEINTRESOURCEW(info.idIcon));
 115        if (info.idName != CPL_DYNAMIC_RES)
 116            LoadStringW(applet->hModule, info.idName,
 117                        applet->info[i].szName, sizeof(applet->info[i].szName) / sizeof(WCHAR));
 118        if (info.idInfo != CPL_DYNAMIC_RES)
 119            LoadStringW(applet->hModule, info.idInfo,
 120                        applet->info[i].szInfo, sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
 121
 122        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
 123           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
 124           icon, see what we can get from CPL_NEWINQUIRE */
 125
 126        if ((applet->info[i].szName == 0) || (lstrlenW(applet->info[i].szName) == 0))
 127            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].szInfo == 0) || (lstrlenW(applet->info[i].szInfo) == 0))
 133            info.idInfo = CPL_DYNAMIC_RES;
 134
 135        if (applet->info[i].hIcon == NULL)
 136            info.idIcon = CPL_DYNAMIC_RES;
 137
 138        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
 139            (info.idInfo == CPL_DYNAMIC_RES)) {
 140            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
 141
 142            applet->info[i].dwFlags = newinfo.dwFlags;
 143            applet->info[i].dwHelpContext = newinfo.dwHelpContext;
 144            applet->info[i].lData = newinfo.lData;
 145            if (info.idIcon == CPL_DYNAMIC_RES) {
 146                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
 147                applet->info[i].hIcon = newinfo.hIcon;
 148            }
 149            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
 150                if (info.idName == CPL_DYNAMIC_RES)
 151                    memcpy(applet->info[i].szName, newinfo.szName, sizeof(newinfo.szName));
 152                if (info.idInfo == CPL_DYNAMIC_RES)
 153                    memcpy(applet->info[i].szInfo, newinfo.szInfo, sizeof(newinfo.szInfo));
 154                memcpy(applet->info[i].szHelpFile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
 155            } else {
 156                if (info.idName == CPL_DYNAMIC_RES)
 157                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
 158                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
 159                                        applet->info[i].szName,
 160                                        sizeof(applet->info[i].szName) / sizeof(WCHAR));
 161                if (info.idInfo == CPL_DYNAMIC_RES)
 162                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
 163                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
 164                                        applet->info[i].szInfo,
 165                                        sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
 166                MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
 167                                    sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
 168                                    applet->info[i].szHelpFile,
 169                                    sizeof(applet->info[i].szHelpFile) / sizeof(WCHAR));
 170            }
 171        }
 172     }
 173
 174     applet->next = panel->first;
 175     panel->first = applet;
 176
 177     return applet;
 178
 179  theError:
 180     Control_UnloadApplet(applet);
 181     return NULL;
 182 }
 183
 184 #define IDC_LISTVIEW        1000
 185 #define IDC_STATUSBAR       1001
 186
 187 #define NUM_COLUMNS            2
 188 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
 189                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
 190
 191 static BOOL Control_CreateListView (CPanel *panel)
 192 {
 193     RECT ws, sb;
 194     WCHAR empty_string[] = {0};
 195     WCHAR buf[MAX_STRING_LEN];
 196     LVCOLUMNW lvc;
 197
 198     /* Create list view */
 199     GetClientRect(panel->hWndStatusBar, &sb);
 200     GetClientRect(panel->hWnd, &ws);
 201
 202     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 203                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
 204                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
 205                           (sb.bottom - sb.top), panel->hWnd,
 206                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
 207
 208     if (!panel->hWndListView)
 209         return FALSE;
 210
 211     /* Create image lists for list view */
 212     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
 213         GetSystemMetrics(SM_CYSMICON), ILC_MASK, 1, 1);
 214     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
 215         GetSystemMetrics(SM_CYICON), ILC_MASK, 1, 1);
 216
 217     (void) ListView_SetImageList(panel->hWndListView, panel->hImageListSmall, LVSIL_SMALL);
 218     (void) ListView_SetImageList(panel->hWndListView, panel->hImageListLarge, LVSIL_NORMAL);
 219
 220     /* Create columns for list view */
 221     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 222     lvc.pszText = buf;
 223     lvc.fmt = LVCFMT_LEFT;
 224
 225     /* Name column */
 226     lvc.iSubItem = 0;
 227     lvc.cx = (ws.right - ws.left) / 3;
 228     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, sizeof(buf) / sizeof(buf[0]));
 229
 230     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
 231         return FALSE;
 232
 233     /* Description column */
 234     lvc.iSubItem = 1;
 235     lvc.cx = ((ws.right - ws.left) / 3) * 2;
 236     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, sizeof(buf) /
 237         sizeof(buf[0]));
 238
 239     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
 240         return FALSE;
 241
 242     return(TRUE);
 243 }
 244
 245 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
 246 {
 247    CPanel*      panel = (CPanel*)cs->lpCreateParams;
 248    HMENU hMenu, hSubMenu;
 249    CPlApplet*   applet;
 250    MENUITEMINFOW mii;
 251    int menucount, i, index;
 252    CPlItem *item;
 253    LVITEMW lvItem;
 254    INITCOMMONCONTROLSEX icex;
 255    INT sb_parts;
 256    int itemidx;
 257
 258    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 259    panel->hWnd = hWnd;
 260
 261    /* Initialise common control DLL */
 262    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 263    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 264    InitCommonControlsEx(&icex);
 265
 266    /* create the status bar */
 267    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 268        return;
 269
 270    sb_parts = -1;
 271    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 272
 273    /* create the list view */
 274    if (!Control_CreateListView(panel))
 275        return;
 276
 277    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 278
 279    /* insert menu items for applets */
 280    hSubMenu = GetSubMenu(hMenu, 0);
 281    menucount = 0;
 282
 283    for (applet = panel->first; applet; applet = applet->next) {
 284       for (i = 0; i < applet->count; i++) {
 285          if (!applet->info[i].dwSize)
 286             continue;
 287
 288          /* set up a CPlItem for this particular subprogram */
 289          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
 290
 291          if (!item)
 292             continue;
 293
 294          item->applet = (CPlApplet *) 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].szName;
 300          mii.cch = sizeof(applet->info[i].szName) / sizeof(applet->info[i].szName[0]);
 301          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 302          mii.dwItemData = (DWORD) item;
 303
 304          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 305             /* add the list view item */
 306             index = ImageList_AddIcon(panel->hImageListLarge, applet->info[i].hIcon);
 307             ImageList_AddIcon(panel->hImageListSmall, applet->info[i].hIcon);
 308
 309             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 310             lvItem.iItem = menucount;
 311             lvItem.iSubItem = 0;
 312             lvItem.pszText = applet->info[i].szName;
 313             lvItem.iImage = index;
 314             lvItem.lParam = (LPARAM) item;
 315
 316             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 317
 318             /* add the description */
 319             ListView_SetItemTextW(panel->hWndListView, itemidx, 1,
 320                 applet->info[i].szInfo);
 321
 322             /* update menu bar, increment count */
 323             DrawMenuBar(hWnd);
 324             menucount++;
 325          }
 326       }
 327    }
 328
 329    panel->total_subprogs = menucount;
 330
 331    /* check the "large items" icon in the View menu */
 332    hSubMenu = GetSubMenu(hMenu, 1);
 333    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 334       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 335
 336    SetMenu(hWnd, hMenu);
 337 }
 338
 339 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 340 {
 341     HMENU hMenu, hSubMenu;
 342     MENUITEMINFOW mii;
 343     int i;
 344
 345     /* get the File menu */
 346     hMenu = GetMenu(hWnd);
 347
 348     if (!hMenu)
 349         return;
 350
 351     hSubMenu = GetSubMenu(hMenu, 0);
 352
 353     if (!hSubMenu)
 354         return;
 355
 356     /* loop and free the item data */
 357     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 358     {
 359         mii.cbSize = sizeof(MENUITEMINFOW);
 360         mii.fMask = MIIM_DATA;
 361
 362         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 363             continue;
 364
 365         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
 366     }
 367 }
 368
 369 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 370 {
 371     HMENU hMenu, hSubMenu;
 372
 373     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 374
 375     /* update the menu */
 376     hMenu = GetMenu(panel->hWnd);
 377     hSubMenu = GetSubMenu(hMenu, 1);
 378
 379     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 380         id, MF_BYCOMMAND);
 381 }
 382
 383 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 384 {
 385     HMENU hMenu, hSubMenu;
 386     MENUITEMINFOW mii;
 387
 388     /* retrieve the CPlItem structure from the menu item data */
 389     hMenu = GetMenu(hWnd);
 390
 391     if (!hMenu)
 392         return NULL;
 393
 394     hSubMenu = GetSubMenu(hMenu, 0);
 395
 396     if (!hSubMenu)
 397         return NULL;
 398
 399     mii.cbSize = sizeof(MENUITEMINFOW);
 400     mii.fMask = MIIM_DATA;
 401
 402     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 403         return NULL;
 404
 405     return (CPlItem *) mii.dwItemData;
 406 }
 407
 408 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 409 {
 410     LVITEMW lvItem;
 411     int selitem;
 412
 413     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 414         | LVNI_SELECTED);
 415
 416     if (selitem != -1)
 417     {
 418         lvItem.iItem = selitem;
 419         lvItem.mask = LVIF_PARAM;
 420
 421         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 422             return (CPlItem *) lvItem.lParam;
 423     }
 424
 425     return NULL;
 426 }
 427
 428 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 429                                         WPARAM lParam1, LPARAM lParam2)
 430 {
 431    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 432
 433    if (panel || wMsg == WM_CREATE) {
 434       switch (wMsg) {
 435       case WM_CREATE:
 436          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 437          return 0;
 438       case WM_DESTROY:
 439          {
 440             CPlApplet*  applet = panel->first;
 441             while (applet)
 442                applet = Control_UnloadApplet(applet);
 443          }
 444          Control_FreeCPlItems(hWnd, panel);
 445          PostQuitMessage(0);
 446          break;
 447       case WM_COMMAND:
 448          switch (LOWORD(lParam1))
 449          {
 450              case IDM_CPANEL_EXIT:
 451                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 452                  return 0;
 453
 454              case IDM_CPANEL_ABOUT:
 455                  {
 456                      WCHAR appName[MAX_STRING_LEN];
 457
 458                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
 459                          sizeof(appName) / sizeof(appName[0]));
 460                      ShellAboutW(hWnd, appName, NULL, NULL);
 461
 462                      return 0;
 463                  }
 464
 465              case FCIDM_SHVIEW_BIGICON:
 466                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 467                  return 0;
 468
 469              case FCIDM_SHVIEW_SMALLICON:
 470                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 471                  return 0;
 472
 473              case FCIDM_SHVIEW_LISTVIEW:
 474                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 475                  return 0;
 476
 477              case FCIDM_SHVIEW_REPORTVIEW:
 478                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 479                  return 0;
 480
 481              default:
 482                  /* check if this is an applet */
 483                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 484                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 485                  {
 486                      CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 487
 488                      /* execute the applet if item is valid */
 489                      if (item)
 490                          item->applet->proc(item->applet->hWnd, CPL_DBLCLK, item->id,
 491                              item->applet->info[item->id].lData);
 492
 493                      return 0;
 494                  }
 495
 496                  break;
 497          }
 498
 499          break;
 500
 501       case WM_NOTIFY:
 502       {
 503           LPNMHDR nmh = (LPNMHDR) lParam2;
 504
 505           switch (nmh->idFrom)
 506           {
 507               case IDC_LISTVIEW:
 508                   switch (nmh->code)
 509                   {
 510                       case NM_RETURN:
 511                       case NM_DBLCLK:
 512                       {
 513                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 514
 515                           /* execute the applet if item is valid */
 516                           if (item)
 517                               item->applet->proc(item->applet->hWnd, CPL_DBLCLK,
 518                                   item->id, item->applet->info[item->id].lData);
 519
 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,
 529                                   item->applet->info[item->id].szInfo);
 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].szInfo);
 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].szInfo);
 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     WNDCLASSW   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.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 = 0;
 620     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 621     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 622     wc.lpszMenuName = NULL;
 623     wc.lpszClassName = className;
 624
 625     if (!RegisterClassW(&wc)) return;
 626
 627     CreateWindowExW(0, wc.lpszClassName, appName,
 628                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 629                     CW_USEDEFAULT, CW_USEDEFAULT,
 630                     CW_USEDEFAULT, CW_USEDEFAULT,
 631                     hWnd, NULL, hInst, panel);
 632     if (!panel->hWnd) return;
 633
 634     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 635         TranslateMessage(&msg);
 636         DispatchMessageW(&msg);
 637     }
 638 }
 639
 640 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 641 {
 642     WCHAR name[MAX_PATH];
 643     WCHAR value[MAX_PATH];
 644     HKEY hkey;
 645
 646     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 647     {
 648         int idx = 0;
 649
 650         for(;; ++idx)
 651         {
 652             DWORD nameLen = MAX_PATH;
 653             DWORD valueLen = MAX_PATH;
 654
 655             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 656                 break;
 657
 658             Control_LoadApplet(hWnd, value, panel);
 659         }
 660         RegCloseKey(hkey);
 661     }
 662 }
 663
 664 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 665 {
 666     HANDLE              h;
 667     WIN32_FIND_DATAW    fd;
 668     WCHAR               buffer[MAX_PATH];
 669     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
 670     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
 671             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 672             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
 673     WCHAR *p;
 674
 675     /* first add .cpl files in the system directory */
 676     GetSystemDirectoryW( buffer, MAX_PATH );
 677     p = buffer + strlenW(buffer);
 678     *p++ = '\\';
 679     lstrcpyW(p, wszAllCpl);
 680
 681     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 682         do {
 683            lstrcpyW(p, fd.cFileName);
 684            Control_LoadApplet(hWnd, buffer, panel);
 685         } while (FindNextFileW(h, &fd));
 686         FindClose(h);
 687     }
 688
 689     /* now check for cpls in the registry */
 690     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 691     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 692
 693     Control_DoInterface(panel, hWnd, hInst);
 694 }
 695
 696 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 697    /* forms to parse:
 698     *   foo.cpl,@sp,str
 699     *   foo.cpl,@sp
 700     *   foo.cpl,,str
 701     *   foo.cpl @sp
 702     *   foo.cpl str
 703     *   "a path\foo.cpl"
 704     */
 705 {
 706     LPWSTR      buffer;
 707     LPWSTR      beg = NULL;
 708     LPWSTR      end;
 709     WCHAR       ch;
 710     LPWSTR       ptr;
 711     signed      sp = -1;
 712     LPWSTR      extraPmtsBuf = NULL;
 713     LPWSTR      extraPmts = NULL;
 714     int        quoted = 0;
 715
 716     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 717     if (!buffer) return;
 718
 719     end = lstrcpyW(buffer, wszCmd);
 720
 721     for (;;) {
 722         ch = *end;
 723         if (ch == '"') quoted = !quoted;
 724         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 725             *end = '\0';
 726             if (beg) {
 727                 if (*beg == '@') {
 728                     sp = atoiW(beg + 1);
 729                 } else if (*beg == '\0') {
 730                     sp = -1;
 731                 } else {
 732                     extraPmtsBuf = beg;
 733                 }
 734             }
 735             if (ch == '\0') break;
 736             beg = end + 1;
 737             if (ch == ' ') while (end[1] == ' ') end++;
 738         }
 739         end++;
 740     }
 741     while ((ptr = StrChrW(buffer, '"')))
 742         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 743
 744     /* now check for any quotes in extraPmtsBuf and remove */
 745     if (extraPmtsBuf != NULL)
 746     {
 747         beg = end = extraPmtsBuf;
 748         quoted = 0;
 749
 750         for (;;) {
 751             ch = *end;
 752             if (ch == '"') quoted = !quoted;
 753             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 754                 *end = '\0';
 755                 if (beg) {
 756                     if (*beg != '\0') {
 757                         extraPmts = beg;
 758                     }
 759                 }
 760                 if (ch == '\0') break;
 761                     beg = end + 1;
 762                 if (ch == ' ') while (end[1] == ' ') end++;
 763             }
 764             end++;
 765         }
 766
 767         while ((ptr = StrChrW(extraPmts, '"')))
 768             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 769
 770         if (extraPmts == NULL)
 771             extraPmts = extraPmtsBuf;
 772     }
 773
 774     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 775
 776     Control_LoadApplet(hWnd, buffer, panel);
 777
 778     if (panel->first) {
 779         CPlApplet* applet = panel->first;
 780
 781         assert(applet && applet->next == NULL);
 782
 783         /* we've been given a textual parameter (or none at all) */
 784         if (sp == -1) {
 785             while ((++sp) != applet->count) {
 786                 if (applet->info[sp].dwSize) {
 787                     TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].szName));
 788
 789                     if (StrCmpIW(extraPmts, applet->info[sp].szName) == 0)
 790                         break;
 791                 }
 792             }
 793         }
 794
 795         if (sp >= applet->count) {
 796             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 797             sp = 0;
 798         }
 799
 800         if (applet->info[sp].dwSize) {
 801             if (!applet->proc(applet->hWnd, CPL_STARTWPARMSA, sp, (LPARAM)extraPmts))
 802                 applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
 803         }
 804
 805         Control_UnloadApplet(applet);
 806     }
 807
 808     HeapFree(GetProcessHeap(), 0, buffer);
 809 }
 810
 811 /*************************************************************************
 812  * Control_RunDLLW                      [SHELL32.@]
 813  *
 814  */
 815 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
 816 {
 817     CPanel      panel;
 818
 819     TRACE("(%p, %p, %s, 0x%08x)\n",
 820           hWnd, hInst, debugstr_w(cmd), nCmdShow);
 821
 822     memset(&panel, 0, sizeof(panel));
 823
 824     if (!cmd || !*cmd) {
 825         Control_DoWindow(&panel, hWnd, hInst);
 826     } else {
 827         Control_DoLaunch(&panel, hWnd, cmd);
 828     }
 829 }
 830
 831 /*************************************************************************
 832  * Control_RunDLLA                      [SHELL32.@]
 833  *
 834  */
 835 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
 836 {
 837     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
 838     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 839     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
 840     {
 841         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
 842     }
 843     HeapFree(GetProcessHeap(), 0, wszCmd);
 844 }
 845
 846 /*************************************************************************
 847  * Control_FillCache_RunDLLW                    [SHELL32.@]
 848  *
 849  */
 850 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 851 {
 852     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
 853     return 0;
 854 }
 855
 856 /*************************************************************************
 857  * Control_FillCache_RunDLLA                    [SHELL32.@]
 858  *
 859  */
 860 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 861 {
 862     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
 863 }
 864
 865
 866 /*************************************************************************
 867  * RunDLL_CallEntry16                           [SHELL32.122]
 868  * the name is probably wrong
 869  */
 870 void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
 871                                 LPCSTR cmdline, INT cmdshow )
 872 {
 873     WORD args[5];
 874     SEGPTR cmdline_seg;
 875
 876     TRACE( "proc %x hwnd %p inst %p cmdline %s cmdshow %d\n",
 877            proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
 878
 879     cmdline_seg = MapLS( cmdline );
 880     args[4] = HWND_16(hwnd);
 881     args[3] = MapHModuleLS(inst);
 882     args[2] = SELECTOROF(cmdline_seg);
 883     args[1] = OFFSETOF(cmdline_seg);
 884     args[0] = cmdshow;
 885     WOWCallback16Ex( proc, WCB16_PASCAL, sizeof(args), args, NULL );
 886     UnMapLS( cmdline_seg );
 887 }
 888
 889 /*************************************************************************
 890  * CallCPLEntry16                               [SHELL32.166]
 891  *
 892  * called by desk.cpl on "Advanced" with:
 893  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 894  *
 895  */
 896 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
 897 {
 898     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
 899     return 0x0deadbee;
 900 }