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     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
 218     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
 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 = cs->lpCreateParams;
 248    HMENU hMenu, hSubMenu;
 249    CPlApplet* applet;
 250    MENUITEMINFOW mii;
 251    unsigned int i;
 252    int menucount, index;
 253    CPlItem *item;
 254    LVITEMW lvItem;
 255    INITCOMMONCONTROLSEX icex;
 256    INT sb_parts;
 257    int itemidx;
 258
 259    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 260    panel->hWnd = hWnd;
 261
 262    /* Initialise common control DLL */
 263    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 264    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 265    InitCommonControlsEx(&icex);
 266
 267    /* create the status bar */
 268    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 269        return;
 270
 271    sb_parts = -1;
 272    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 273
 274    /* create the list view */
 275    if (!Control_CreateListView(panel))
 276        return;
 277
 278    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 279
 280    /* insert menu items for applets */
 281    hSubMenu = GetSubMenu(hMenu, 0);
 282    menucount = 0;
 283
 284    for (applet = panel->first; applet; applet = applet->next) {
 285       for (i = 0; i < applet->count; i++) {
 286          if (!applet->info[i].dwSize)
 287             continue;
 288
 289          /* set up a CPlItem for this particular subprogram */
 290          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
 291
 292          if (!item)
 293             continue;
 294
 295          item->applet = applet;
 296          item->id = i;
 297
 298          mii.cbSize = sizeof(MENUITEMINFOW);
 299          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
 300          mii.dwTypeData = applet->info[i].szName;
 301          mii.cch = sizeof(applet->info[i].szName) / sizeof(applet->info[i].szName[0]);
 302          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 303          mii.dwItemData = (ULONG_PTR)item;
 304
 305          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 306             /* add the list view item */
 307             index = ImageList_AddIcon(panel->hImageListLarge, applet->info[i].hIcon);
 308             ImageList_AddIcon(panel->hImageListSmall, applet->info[i].hIcon);
 309
 310             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 311             lvItem.iItem = menucount;
 312             lvItem.iSubItem = 0;
 313             lvItem.pszText = applet->info[i].szName;
 314             lvItem.iImage = index;
 315             lvItem.lParam = (LPARAM) item;
 316
 317             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 318
 319             /* add the description */
 320             ListView_SetItemTextW(panel->hWndListView, itemidx, 1,
 321                 applet->info[i].szInfo);
 322
 323             /* update menu bar, increment count */
 324             DrawMenuBar(hWnd);
 325             menucount++;
 326          }
 327       }
 328    }
 329
 330    panel->total_subprogs = menucount;
 331
 332    /* check the "large items" icon in the View menu */
 333    hSubMenu = GetSubMenu(hMenu, 1);
 334    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 335       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 336
 337    SetMenu(hWnd, hMenu);
 338 }
 339
 340 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 341 {
 342     HMENU hMenu, hSubMenu;
 343     MENUITEMINFOW mii;
 344     unsigned int i;
 345
 346     /* get the File menu */
 347     hMenu = GetMenu(hWnd);
 348
 349     if (!hMenu)
 350         return;
 351
 352     hSubMenu = GetSubMenu(hMenu, 0);
 353
 354     if (!hSubMenu)
 355         return;
 356
 357     /* loop and free the item data */
 358     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 359     {
 360         mii.cbSize = sizeof(MENUITEMINFOW);
 361         mii.fMask = MIIM_DATA;
 362
 363         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 364             continue;
 365
 366         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
 367     }
 368 }
 369
 370 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 371 {
 372     HMENU hMenu, hSubMenu;
 373
 374     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 375
 376     /* update the menu */
 377     hMenu = GetMenu(panel->hWnd);
 378     hSubMenu = GetSubMenu(hMenu, 1);
 379
 380     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 381         id, MF_BYCOMMAND);
 382 }
 383
 384 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 385 {
 386     HMENU hMenu, hSubMenu;
 387     MENUITEMINFOW mii;
 388
 389     /* retrieve the CPlItem structure from the menu item data */
 390     hMenu = GetMenu(hWnd);
 391
 392     if (!hMenu)
 393         return NULL;
 394
 395     hSubMenu = GetSubMenu(hMenu, 0);
 396
 397     if (!hSubMenu)
 398         return NULL;
 399
 400     mii.cbSize = sizeof(MENUITEMINFOW);
 401     mii.fMask = MIIM_DATA;
 402
 403     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 404         return NULL;
 405
 406     return (CPlItem *) mii.dwItemData;
 407 }
 408
 409 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 410 {
 411     LVITEMW lvItem;
 412     int selitem;
 413
 414     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 415         | LVNI_SELECTED);
 416
 417     if (selitem != -1)
 418     {
 419         lvItem.iItem = selitem;
 420         lvItem.mask = LVIF_PARAM;
 421
 422         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 423             return (CPlItem *) lvItem.lParam;
 424     }
 425
 426     return NULL;
 427 }
 428
 429 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 430                                         WPARAM lParam1, LPARAM lParam2)
 431 {
 432    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 433
 434    if (panel || wMsg == WM_CREATE) {
 435       switch (wMsg) {
 436       case WM_CREATE:
 437          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 438          return 0;
 439       case WM_DESTROY:
 440          {
 441             CPlApplet*  applet = panel->first;
 442             while (applet)
 443                applet = Control_UnloadApplet(applet);
 444          }
 445          Control_FreeCPlItems(hWnd, panel);
 446          PostQuitMessage(0);
 447          break;
 448       case WM_COMMAND:
 449          switch (LOWORD(lParam1))
 450          {
 451              case IDM_CPANEL_EXIT:
 452                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 453                  return 0;
 454
 455              case IDM_CPANEL_ABOUT:
 456                  {
 457                      WCHAR appName[MAX_STRING_LEN];
 458
 459                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
 460                          sizeof(appName) / sizeof(appName[0]));
 461                      ShellAboutW(hWnd, appName, NULL, NULL);
 462
 463                      return 0;
 464                  }
 465
 466              case FCIDM_SHVIEW_BIGICON:
 467                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 468                  return 0;
 469
 470              case FCIDM_SHVIEW_SMALLICON:
 471                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 472                  return 0;
 473
 474              case FCIDM_SHVIEW_LISTVIEW:
 475                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 476                  return 0;
 477
 478              case FCIDM_SHVIEW_REPORTVIEW:
 479                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 480                  return 0;
 481
 482              default:
 483                  /* check if this is an applet */
 484                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 485                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 486                  {
 487                      CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 488
 489                      /* execute the applet if item is valid */
 490                      if (item)
 491                          item->applet->proc(item->applet->hWnd, CPL_DBLCLK, item->id,
 492                              item->applet->info[item->id].lData);
 493
 494                      return 0;
 495                  }
 496
 497                  break;
 498          }
 499
 500          break;
 501
 502       case WM_NOTIFY:
 503       {
 504           LPNMHDR nmh = (LPNMHDR) lParam2;
 505
 506           switch (nmh->idFrom)
 507           {
 508               case IDC_LISTVIEW:
 509                   switch (nmh->code)
 510                   {
 511                       case NM_RETURN:
 512                       case NM_DBLCLK:
 513                       {
 514                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 515
 516                           /* execute the applet if item is valid */
 517                           if (item)
 518                               item->applet->proc(item->applet->hWnd, CPL_DBLCLK,
 519                                   item->id, item->applet->info[item->id].lData);
 520
 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,
 530                                   item->applet->info[item->id].szInfo);
 531                           else
 532                               SetWindowTextW(panel->hWndStatusBar, NULL);
 533
 534                           return 0;
 535                       }
 536                   }
 537
 538                   break;
 539           }
 540
 541           break;
 542       }
 543
 544       case WM_MENUSELECT:
 545           /* check if this is an applet */
 546           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 547               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 548           {
 549               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 550
 551               /* update the status bar if item is valid */
 552               if (item)
 553                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].szInfo);
 554           }
 555           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
 556           {
 557               /* reset status bar description to that of the selected icon */
 558               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 559
 560               if (item)
 561                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].szInfo);
 562               else
 563                   SetWindowTextW(panel->hWndStatusBar, NULL);
 564
 565               return 0;
 566           }
 567           else
 568               SetWindowTextW(panel->hWndStatusBar, NULL);
 569
 570           return 0;
 571
 572       case WM_SIZE:
 573       {
 574           HDWP hdwp;
 575           RECT sb;
 576
 577           hdwp = BeginDeferWindowPos(2);
 578
 579           if (hdwp == NULL)
 580               break;
 581
 582           GetClientRect(panel->hWndStatusBar, &sb);
 583
 584           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
 585               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
 586               SWP_NOZORDER | SWP_NOMOVE);
 587
 588           if (hdwp == NULL)
 589               break;
 590
 591           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
 592               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
 593
 594           if (hdwp != NULL)
 595               EndDeferWindowPos(hdwp);
 596
 597           return 0;
 598       }
 599      }
 600    }
 601
 602    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
 603 }
 604
 605 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 606 {
 607     WNDCLASSW   wc;
 608     MSG         msg;
 609     WCHAR appName[MAX_STRING_LEN];
 610     const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
 611         'l','_','W','n','d','C','l','a','s','s',0};
 612
 613     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
 614
 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 = 0;
 621     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 622     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 623     wc.lpszMenuName = NULL;
 624     wc.lpszClassName = className;
 625
 626     if (!RegisterClassW(&wc)) return;
 627
 628     CreateWindowExW(0, wc.lpszClassName, appName,
 629                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 630                     CW_USEDEFAULT, CW_USEDEFAULT,
 631                     CW_USEDEFAULT, CW_USEDEFAULT,
 632                     hWnd, NULL, hInst, panel);
 633     if (!panel->hWnd) return;
 634
 635     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 636         TranslateMessage(&msg);
 637         DispatchMessageW(&msg);
 638     }
 639 }
 640
 641 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 642 {
 643     WCHAR name[MAX_PATH];
 644     WCHAR value[MAX_PATH];
 645     HKEY hkey;
 646
 647     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 648     {
 649         int idx = 0;
 650
 651         for(;; ++idx)
 652         {
 653             DWORD nameLen = MAX_PATH;
 654             DWORD valueLen = MAX_PATH;
 655
 656             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 657                 break;
 658
 659             Control_LoadApplet(hWnd, value, panel);
 660         }
 661         RegCloseKey(hkey);
 662     }
 663 }
 664
 665 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 666 {
 667     HANDLE              h;
 668     WIN32_FIND_DATAW    fd;
 669     WCHAR               buffer[MAX_PATH];
 670     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
 671     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
 672             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 673             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
 674     WCHAR *p;
 675
 676     /* first add .cpl files in the system directory */
 677     GetSystemDirectoryW( buffer, MAX_PATH );
 678     p = buffer + strlenW(buffer);
 679     *p++ = '\\';
 680     lstrcpyW(p, wszAllCpl);
 681
 682     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 683         do {
 684            lstrcpyW(p, fd.cFileName);
 685            Control_LoadApplet(hWnd, buffer, panel);
 686         } while (FindNextFileW(h, &fd));
 687         FindClose(h);
 688     }
 689
 690     /* now check for cpls in the registry */
 691     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 692     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 693
 694     Control_DoInterface(panel, hWnd, hInst);
 695 }
 696
 697 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 698    /* forms to parse:
 699     *   foo.cpl,@sp,str
 700     *   foo.cpl,@sp
 701     *   foo.cpl,,str
 702     *   foo.cpl @sp
 703     *   foo.cpl str
 704     *   "a path\foo.cpl"
 705     */
 706 {
 707     LPWSTR      buffer;
 708     LPWSTR      beg = NULL;
 709     LPWSTR      end;
 710     WCHAR       ch;
 711     LPWSTR       ptr;
 712     signed      sp = -1;
 713     LPWSTR      extraPmtsBuf = NULL;
 714     LPWSTR      extraPmts = NULL;
 715     int        quoted = 0;
 716
 717     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 718     if (!buffer) return;
 719
 720     end = lstrcpyW(buffer, wszCmd);
 721
 722     for (;;) {
 723         ch = *end;
 724         if (ch == '"') quoted = !quoted;
 725         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 726             *end = '\0';
 727             if (beg) {
 728                 if (*beg == '@') {
 729                     sp = atoiW(beg + 1);
 730                 } else if (*beg == '\0') {
 731                     sp = -1;
 732                 } else {
 733                     extraPmtsBuf = beg;
 734                 }
 735             }
 736             if (ch == '\0') break;
 737             beg = end + 1;
 738             if (ch == ' ') while (end[1] == ' ') end++;
 739         }
 740         end++;
 741     }
 742     while ((ptr = StrChrW(buffer, '"')))
 743         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 744
 745     /* now check for any quotes in extraPmtsBuf and remove */
 746     if (extraPmtsBuf != NULL)
 747     {
 748         beg = end = extraPmtsBuf;
 749         quoted = 0;
 750
 751         for (;;) {
 752             ch = *end;
 753             if (ch == '"') quoted = !quoted;
 754             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 755                 *end = '\0';
 756                 if (beg) {
 757                     if (*beg != '\0') {
 758                         extraPmts = beg;
 759                     }
 760                 }
 761                 if (ch == '\0') break;
 762                     beg = end + 1;
 763                 if (ch == ' ') while (end[1] == ' ') end++;
 764             }
 765             end++;
 766         }
 767
 768         while ((ptr = StrChrW(extraPmts, '"')))
 769             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 770
 771         if (extraPmts == NULL)
 772             extraPmts = extraPmtsBuf;
 773     }
 774
 775     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 776
 777     Control_LoadApplet(hWnd, buffer, panel);
 778
 779     if (panel->first) {
 780         CPlApplet* applet = panel->first;
 781
 782         assert(applet && applet->next == NULL);
 783
 784         /* we've been given a textual parameter (or none at all) */
 785         if (sp == -1) {
 786             while ((++sp) != applet->count) {
 787                 if (applet->info[sp].dwSize) {
 788                     TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].szName));
 789
 790                     if (StrCmpIW(extraPmts, applet->info[sp].szName) == 0)
 791                         break;
 792                 }
 793             }
 794         }
 795
 796         if (sp >= applet->count) {
 797             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 798             sp = 0;
 799         }
 800
 801         if (applet->info[sp].dwSize) {
 802             if (!applet->proc(applet->hWnd, CPL_STARTWPARMSA, sp, (LPARAM)extraPmts))
 803                 applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
 804         }
 805
 806         Control_UnloadApplet(applet);
 807     }
 808
 809     HeapFree(GetProcessHeap(), 0, buffer);
 810 }
 811
 812 /*************************************************************************
 813  * Control_RunDLLW                      [SHELL32.@]
 814  *
 815  */
 816 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
 817 {
 818     CPanel      panel;
 819
 820     TRACE("(%p, %p, %s, 0x%08x)\n",
 821           hWnd, hInst, debugstr_w(cmd), nCmdShow);
 822
 823     memset(&panel, 0, sizeof(panel));
 824
 825     if (!cmd || !*cmd) {
 826         Control_DoWindow(&panel, hWnd, hInst);
 827     } else {
 828         Control_DoLaunch(&panel, hWnd, cmd);
 829     }
 830 }
 831
 832 /*************************************************************************
 833  * Control_RunDLLA                      [SHELL32.@]
 834  *
 835  */
 836 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
 837 {
 838     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
 839     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 840     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
 841     {
 842         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
 843     }
 844     HeapFree(GetProcessHeap(), 0, wszCmd);
 845 }
 846
 847 /*************************************************************************
 848  * Control_FillCache_RunDLLW                    [SHELL32.@]
 849  *
 850  */
 851 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 852 {
 853     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
 854     return 0;
 855 }
 856
 857 /*************************************************************************
 858  * Control_FillCache_RunDLLA                    [SHELL32.@]
 859  *
 860  */
 861 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 862 {
 863     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
 864 }
 865
 866
 867 /*************************************************************************
 868  * RunDLL_CallEntry16                           [SHELL32.122]
 869  * the name is probably wrong
 870  */
 871 void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
 872                                 LPCSTR cmdline, INT cmdshow )
 873 {
 874     WORD args[5];
 875     SEGPTR cmdline_seg;
 876
 877     TRACE( "proc %x hwnd %p inst %p cmdline %s cmdshow %d\n",
 878            proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
 879
 880     cmdline_seg = MapLS( cmdline );
 881     args[4] = HWND_16(hwnd);
 882     args[3] = MapHModuleLS(inst);
 883     args[2] = SELECTOROF(cmdline_seg);
 884     args[1] = OFFSETOF(cmdline_seg);
 885     args[0] = cmdshow;
 886     WOWCallback16Ex( proc, WCB16_PASCAL, sizeof(args), args, NULL );
 887     UnMapLS( cmdline_seg );
 888 }
 889
 890 /*************************************************************************
 891  * CallCPLEntry16                               [SHELL32.166]
 892  *
 893  * called by desk.cpl on "Advanced" with:
 894  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 895  *
 896  */
 897 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
 898 {
 899     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
 900     return 0x0deadbee;
 901 }