dll/win32/shell32/wine/control.c

   1 /* Control Panel management
   2  *
   3  * Copyright 2001 Eric Pouech
   4  * Copyright 2008 Owen Rudge
   5  * Copyright 2022 Raymond Czerny
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <assert.h>
  23
  24 #define WIN32_NO_STATUS
  25 #define _INC_WINDOWS
  26
  27 #include <windef.h>
  28 #include <winbase.h>
  29 #define NO_SHLWAPI_REG
  30 #include <shlwapi.h>
  31 #include <shellapi.h>
  32 #define COBJMACROS
  33 #include <shobjidl.h>
  34 #include <wine/debug.h>
  35
  36 #include <strsafe.h>
  37
  38 #include "cpanel.h"
  39 #include "wine/unicode.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
  42
  43 void Control_UnloadApplet(CPlApplet* applet)
  44 {
  45     unsigned    i;
  46
  47     for (i = 0; i < applet->count; i++)
  48         applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].data);
  49
  50     if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
  51     FreeLibrary(applet->hModule);
  52 #ifndef __REACTOS__
  53     list_remove( &applet->entry );
  54 #endif
  55     HeapFree(GetProcessHeap(), 0, applet->cmd);
  56     HeapFree(GetProcessHeap(), 0, applet);
  57 }
  58
  59 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
  60 {
  61 #ifdef __REACTOS__
  62     ACTCTXW ActCtx = {sizeof(ACTCTX), ACTCTX_FLAG_RESOURCE_NAME_VALID};
  63     ULONG_PTR cookie;
  64     BOOL bActivated;
  65     WCHAR fileBuffer[MAX_PATH];
  66 #endif
  67     CPlApplet*  applet;
  68     DWORD len;
  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     len = ExpandEnvironmentStringsW(cmd, NULL, 0);
  77     if (len > 0)
  78     {
  79         if (!(applet->cmd = HeapAlloc(GetProcessHeap(), 0, (len+1) * sizeof(WCHAR))))
  80         {
  81             WARN("Cannot allocate memory for applet path\n");
  82             goto theError;
  83         }
  84         ExpandEnvironmentStringsW(cmd, applet->cmd, len+1);
  85     }
  86     else
  87     {
  88         WARN("Cannot expand applet path\n");
  89         goto theError;
  90     }
  91
  92     applet->hWnd = hWnd;
  93
  94 #ifdef __REACTOS__
  95     StringCchCopy(fileBuffer, MAX_PATH, applet->cmd);
  96     if (PathIsFileSpecW(fileBuffer))
  97         SearchPath(NULL, fileBuffer, NULL, MAX_PATH, fileBuffer, NULL);
  98     ActCtx.lpSource = fileBuffer;
  99     ActCtx.lpResourceName = (LPCWSTR)123;
 100     applet->hActCtx = CreateActCtx(&ActCtx);
 101     bActivated = (applet->hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(applet->hActCtx, &cookie) : FALSE);
 102 #endif
 103
 104     if (!(applet->hModule = LoadLibraryW(applet->cmd))) {
 105         WARN("Cannot load control panel applet %s\n", debugstr_w(applet->cmd));
 106         goto theError;
 107     }
 108     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
 109         WARN("Not a valid control panel applet %s\n", debugstr_w(applet->cmd));
 110         goto theError;
 111     }
 112     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
 113         WARN("Init of applet has failed\n");
 114         goto theError;
 115     }
 116     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
 117         WARN("No subprogram in applet\n");
 118         applet->proc(applet->hWnd, CPL_EXIT, 0, 0);
 119         goto theError;
 120     }
 121
 122     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
 123                          FIELD_OFFSET( CPlApplet, info[applet->count] ));
 124
 125     for (i = 0; i < applet->count; i++) {
 126        ZeroMemory(&newinfo, sizeof(newinfo));
 127        newinfo.dwSize = sizeof(NEWCPLINFOA);
 128        applet->info[i].helpfile[0] = 0;
 129        /* proc is supposed to return a null value upon success for
 130         * CPL_INQUIRE and CPL_NEWINQUIRE
 131         * However, real drivers don't seem to behave like this
 132         * So, use introspection rather than return value
 133         */
 134        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
 135        applet->info[i].data = info.lData;
 136 #ifdef __REACTOS__
 137        applet->info[i].idIcon = info.idIcon;
 138 #endif
 139
 140        if (info.idIcon != CPL_DYNAMIC_RES)
 141            applet->info[i].icon = LoadIconW(applet->hModule, MAKEINTRESOURCEW(info.idIcon));
 142        if (info.idName != CPL_DYNAMIC_RES)
 143            LoadStringW(applet->hModule, info.idName,
 144                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
 145        if (info.idInfo != CPL_DYNAMIC_RES)
 146            LoadStringW(applet->hModule, info.idInfo,
 147                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
 148
 149        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
 150           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
 151           icon, see what we can get from CPL_NEWINQUIRE */
 152
 153        if (!applet->info[i].name[0]) info.idName = CPL_DYNAMIC_RES;
 154
 155        /* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
 156           to check anyway */
 157
 158        if (!applet->info[i].info[0]) info.idInfo = CPL_DYNAMIC_RES;
 159
 160        if (applet->info[i].icon == NULL)
 161            info.idIcon = CPL_DYNAMIC_RES;
 162
 163        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
 164            (info.idInfo == CPL_DYNAMIC_RES)) {
 165            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
 166
 167            applet->info[i].data = newinfo.lData;
 168            if (info.idIcon == CPL_DYNAMIC_RES) {
 169                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
 170                applet->info[i].icon = newinfo.hIcon;
 171            }
 172            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
 173                if (info.idName == CPL_DYNAMIC_RES)
 174                    memcpy(applet->info[i].name, newinfo.szName, sizeof(newinfo.szName));
 175                if (info.idInfo == CPL_DYNAMIC_RES)
 176                    memcpy(applet->info[i].info, newinfo.szInfo, sizeof(newinfo.szInfo));
 177                memcpy(applet->info[i].helpfile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
 178            } else {
 179                if (info.idName == CPL_DYNAMIC_RES)
 180                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
 181                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
 182                                        applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
 183                if (info.idInfo == CPL_DYNAMIC_RES)
 184                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
 185                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
 186                                        applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
 187                MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
 188                                    sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
 189                                    applet->info[i].helpfile,
 190                                    sizeof(applet->info[i].helpfile) / sizeof(WCHAR));
 191            }
 192        }
 193     }
 194
 195 #ifdef __REACTOS__
 196     if (bActivated)
 197         DeactivateActCtx(0, cookie);
 198 #endif
 199
 200 #ifndef __REACTOS__
 201     list_add_head( &panel->applets, &applet->entry );
 202 #endif
 203
 204     return applet;
 205
 206  theError:
 207     FreeLibrary(applet->hModule);
 208     HeapFree(GetProcessHeap(), 0, applet->cmd);
 209     HeapFree(GetProcessHeap(), 0, applet);
 210     return NULL;
 211 }
 212
 213 #ifndef __REACTOS__
 214
 215 #define IDC_LISTVIEW        1000
 216 #define IDC_STATUSBAR       1001
 217
 218 #define NUM_COLUMNS            2
 219 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
 220                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
 221
 222 static BOOL Control_CreateListView (CPanel *panel)
 223 {
 224     RECT ws, sb;
 225     WCHAR empty_string[] = {0};
 226     WCHAR buf[MAX_STRING_LEN];
 227     LVCOLUMNW lvc;
 228
 229     /* Create list view */
 230     GetClientRect(panel->hWndStatusBar, &sb);
 231     GetClientRect(panel->hWnd, &ws);
 232
 233     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 234                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
 235                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
 236                           (sb.bottom - sb.top), panel->hWnd,
 237                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
 238
 239     if (!panel->hWndListView)
 240         return FALSE;
 241
 242     /* Create image lists for list view */
 243     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
 244         GetSystemMetrics(SM_CYSMICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 245     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
 246         GetSystemMetrics(SM_CYICON), ILC_COLOR32 | ILC_MASK, 1, 1);
 247
 248     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
 249     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
 250
 251     /* Create columns for list view */
 252     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 253     lvc.pszText = buf;
 254     lvc.fmt = LVCFMT_LEFT;
 255
 256     /* Name column */
 257     lvc.iSubItem = 0;
 258     lvc.cx = (ws.right - ws.left) / 3;
 259     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, sizeof(buf) / sizeof(buf[0]));
 260
 261     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
 262         return FALSE;
 263
 264     /* Description column */
 265     lvc.iSubItem = 1;
 266     lvc.cx = ((ws.right - ws.left) / 3) * 2;
 267     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, sizeof(buf) /
 268         sizeof(buf[0]));
 269
 270     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
 271         return FALSE;
 272
 273     return(TRUE);
 274 }
 275
 276 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
 277 {
 278    CPanel* panel = cs->lpCreateParams;
 279    HMENU hMenu, hSubMenu;
 280    CPlApplet* applet;
 281    MENUITEMINFOW mii;
 282    unsigned int i;
 283    int menucount, index;
 284    CPlItem *item;
 285    LVITEMW lvItem;
 286    INITCOMMONCONTROLSEX icex;
 287    INT sb_parts;
 288    int itemidx;
 289
 290    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 291    panel->hWnd = hWnd;
 292
 293    /* Initialise common control DLL */
 294    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 295    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 296    InitCommonControlsEx(&icex);
 297
 298    /* create the status bar */
 299    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 300        return;
 301
 302    sb_parts = -1;
 303    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 304
 305    /* create the list view */
 306    if (!Control_CreateListView(panel))
 307        return;
 308
 309    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 310
 311    /* insert menu items for applets */
 312    hSubMenu = GetSubMenu(hMenu, 0);
 313    menucount = 0;
 314
 315    LIST_FOR_EACH_ENTRY( applet, &panel->applets, CPlApplet, entry )
 316    {
 317       for (i = 0; i < applet->count; i++) {
 318          /* set up a CPlItem for this particular subprogram */
 319          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
 320
 321          if (!item)
 322             continue;
 323
 324          item->applet = applet;
 325          item->id = i;
 326
 327          mii.cbSize = sizeof(MENUITEMINFOW);
 328          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
 329          mii.dwTypeData = applet->info[i].name;
 330          mii.cch = sizeof(applet->info[i].name) / sizeof(WCHAR);
 331          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 332          mii.dwItemData = (ULONG_PTR)item;
 333
 334          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 335             /* add the list view item */
 336             HICON icon = applet->info[i].icon;
 337             if (!icon) icon = LoadImageW( 0, (LPCWSTR)IDI_WINLOGO, IMAGE_ICON, 0, 0, LR_SHARED );
 338             index = ImageList_AddIcon(panel->hImageListLarge, icon);
 339             ImageList_AddIcon(panel->hImageListSmall, icon);
 340
 341             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 342             lvItem.iItem = menucount;
 343             lvItem.iSubItem = 0;
 344             lvItem.pszText = applet->info[i].name;
 345             lvItem.iImage = index;
 346             lvItem.lParam = (LPARAM) item;
 347
 348             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 349
 350             /* add the description */
 351             ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
 352
 353             /* update menu bar, increment count */
 354             DrawMenuBar(hWnd);
 355             menucount++;
 356          }
 357       }
 358    }
 359
 360    panel->total_subprogs = menucount;
 361
 362    /* check the "large items" icon in the View menu */
 363    hSubMenu = GetSubMenu(hMenu, 1);
 364    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 365       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 366
 367    SetMenu(hWnd, hMenu);
 368 }
 369
 370 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 371 {
 372     HMENU hMenu, hSubMenu;
 373     MENUITEMINFOW mii;
 374     unsigned int i;
 375
 376     /* get the File menu */
 377     hMenu = GetMenu(hWnd);
 378
 379     if (!hMenu)
 380         return;
 381
 382     hSubMenu = GetSubMenu(hMenu, 0);
 383
 384     if (!hSubMenu)
 385         return;
 386
 387     /* loop and free the item data */
 388     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 389     {
 390         mii.cbSize = sizeof(MENUITEMINFOW);
 391         mii.fMask = MIIM_DATA;
 392
 393         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 394             continue;
 395
 396         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
 397     }
 398 }
 399
 400 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 401 {
 402     HMENU hMenu, hSubMenu;
 403
 404     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 405
 406     /* update the menu */
 407     hMenu = GetMenu(panel->hWnd);
 408     hSubMenu = GetSubMenu(hMenu, 1);
 409
 410     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 411         id, MF_BYCOMMAND);
 412 }
 413
 414 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 415 {
 416     HMENU hMenu, hSubMenu;
 417     MENUITEMINFOW mii;
 418
 419     /* retrieve the CPlItem structure from the menu item data */
 420     hMenu = GetMenu(hWnd);
 421
 422     if (!hMenu)
 423         return NULL;
 424
 425     hSubMenu = GetSubMenu(hMenu, 0);
 426
 427     if (!hSubMenu)
 428         return NULL;
 429
 430     mii.cbSize = sizeof(MENUITEMINFOW);
 431     mii.fMask = MIIM_DATA;
 432
 433     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 434         return NULL;
 435
 436     return (CPlItem *) mii.dwItemData;
 437 }
 438
 439 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 440 {
 441     LVITEMW lvItem;
 442     int selitem;
 443
 444     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 445         | LVNI_SELECTED);
 446
 447     if (selitem != -1)
 448     {
 449         lvItem.iItem = selitem;
 450         lvItem.mask = LVIF_PARAM;
 451
 452         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 453             return (CPlItem *) lvItem.lParam;
 454     }
 455
 456     return NULL;
 457 }
 458
 459 static void Control_StartApplet(HWND hWnd, CPlItem *item)
 460 {
 461     WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
 462     WCHAR format[] = {'@','%','d',0};
 463     WCHAR param[MAX_PATH];
 464
 465     /* execute the applet if item is valid */
 466     if (item)
 467     {
 468         wsprintfW(param, format, item->id);
 469         ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
 470     }
 471 }
 472
 473 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 474                                         WPARAM lParam1, LPARAM lParam2)
 475 {
 476    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 477
 478    if (panel || wMsg == WM_CREATE) {
 479       switch (wMsg) {
 480       case WM_CREATE:
 481          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 482          return 0;
 483       case WM_DESTROY:
 484          {
 485              CPlApplet *applet, *next;
 486              LIST_FOR_EACH_ENTRY_SAFE( applet, next, &panel->applets, CPlApplet, entry )
 487                  Control_UnloadApplet(applet);
 488          }
 489          Control_FreeCPlItems(hWnd, panel);
 490          PostQuitMessage(0);
 491          break;
 492       case WM_COMMAND:
 493          switch (LOWORD(lParam1))
 494          {
 495              case IDM_CPANEL_EXIT:
 496                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 497                  return 0;
 498
 499              case IDM_CPANEL_ABOUT:
 500                  {
 501                      WCHAR appName[MAX_STRING_LEN];
 502                      HICON icon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL),
 503                                              IMAGE_ICON, 48, 48, LR_SHARED);
 504
 505                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
 506                          sizeof(appName) / sizeof(appName[0]));
 507                      ShellAboutW(hWnd, appName, NULL, icon);
 508
 509                      return 0;
 510                  }
 511
 512              case FCIDM_SHVIEW_BIGICON:
 513                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 514                  return 0;
 515
 516              case FCIDM_SHVIEW_SMALLICON:
 517                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 518                  return 0;
 519
 520              case FCIDM_SHVIEW_LISTVIEW:
 521                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 522                  return 0;
 523
 524              case FCIDM_SHVIEW_REPORTVIEW:
 525                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 526                  return 0;
 527
 528              default:
 529                  /* check if this is an applet */
 530                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 531                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 532                  {
 533                      Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
 534                      return 0;
 535                  }
 536
 537                  break;
 538          }
 539
 540          break;
 541
 542       case WM_NOTIFY:
 543       {
 544           LPNMHDR nmh = (LPNMHDR) lParam2;
 545
 546           switch (nmh->idFrom)
 547           {
 548               case IDC_LISTVIEW:
 549                   switch (nmh->code)
 550                   {
 551                       case NM_RETURN:
 552                       case NM_DBLCLK:
 553                       {
 554                           Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
 555                           return 0;
 556                       }
 557                       case LVN_ITEMCHANGED:
 558                       {
 559                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 560
 561                           /* update the status bar if item is valid */
 562                           if (item)
 563                               SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 564                           else
 565                               SetWindowTextW(panel->hWndStatusBar, NULL);
 566
 567                           return 0;
 568                       }
 569                   }
 570
 571                   break;
 572           }
 573
 574           break;
 575       }
 576
 577       case WM_MENUSELECT:
 578           /* check if this is an applet */
 579           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 580               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 581           {
 582               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 583
 584               /* update the status bar if item is valid */
 585               if (item)
 586                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 587           }
 588           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
 589           {
 590               /* reset status bar description to that of the selected icon */
 591               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 592
 593               if (item)
 594                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
 595               else
 596                   SetWindowTextW(panel->hWndStatusBar, NULL);
 597
 598               return 0;
 599           }
 600           else
 601               SetWindowTextW(panel->hWndStatusBar, NULL);
 602
 603           return 0;
 604
 605       case WM_SIZE:
 606       {
 607           HDWP hdwp;
 608           RECT sb;
 609
 610           hdwp = BeginDeferWindowPos(2);
 611
 612           if (hdwp == NULL)
 613               break;
 614
 615           GetClientRect(panel->hWndStatusBar, &sb);
 616
 617           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
 618               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
 619               SWP_NOZORDER | SWP_NOMOVE);
 620
 621           if (hdwp == NULL)
 622               break;
 623
 624           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
 625               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
 626
 627           if (hdwp != NULL)
 628               EndDeferWindowPos(hdwp);
 629
 630           return 0;
 631       }
 632      }
 633    }
 634
 635    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
 636 }
 637
 638 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 639 {
 640     WNDCLASSEXW wc;
 641     MSG         msg;
 642     WCHAR appName[MAX_STRING_LEN];
 643     const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
 644         'l','_','W','n','d','C','l','a','s','s',0};
 645
 646     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
 647
 648     wc.cbSize = sizeof(wc);
 649     wc.style = CS_HREDRAW|CS_VREDRAW;
 650     wc.lpfnWndProc = Control_WndProc;
 651     wc.cbClsExtra = 0;
 652     wc.cbWndExtra = sizeof(CPlApplet*);
 653     wc.hInstance = panel->hInst = hInst;
 654     wc.hIcon = LoadIconW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL) );
 655     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 656     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 657     wc.lpszMenuName = NULL;
 658     wc.lpszClassName = className;
 659     wc.hIconSm = LoadImageW( shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_CONTROL_PANEL), IMAGE_ICON,
 660                              GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
 661
 662     if (!RegisterClassExW(&wc)) return;
 663
 664     CreateWindowExW(0, wc.lpszClassName, appName,
 665                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 666                     CW_USEDEFAULT, CW_USEDEFAULT,
 667                     CW_USEDEFAULT, CW_USEDEFAULT,
 668                     hWnd, NULL, hInst, panel);
 669     if (!panel->hWnd) return;
 670
 671     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 672         TranslateMessage(&msg);
 673         DispatchMessageW(&msg);
 674     }
 675 }
 676
 677 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 678 {
 679     WCHAR name[MAX_PATH];
 680     WCHAR value[MAX_PATH];
 681     HKEY hkey;
 682
 683     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 684     {
 685         int idx = 0;
 686
 687         for(;; ++idx)
 688         {
 689             DWORD nameLen = MAX_PATH;
 690             DWORD valueLen = MAX_PATH;
 691
 692             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 693                 break;
 694
 695             Control_LoadApplet(hWnd, value, panel);
 696         }
 697         RegCloseKey(hkey);
 698     }
 699 }
 700
 701 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 702 {
 703     static const WCHAR wszRegPath[] = L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls";
 704     HANDLE              h;
 705     WIN32_FIND_DATAW    fd;
 706     WCHAR               buffer[MAX_PATH];
 707     WCHAR *p;
 708
 709     /* first add .cpl files in the system directory */
 710     GetSystemDirectoryW( buffer, MAX_PATH );
 711     p = buffer + strlenW(buffer);
 712     *p++ = '\\';
 713     lstrcpyW(p, L"*.cpl");
 714
 715     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 716         do {
 717            lstrcpyW(p, fd.cFileName);
 718            Control_LoadApplet(hWnd, buffer, panel);
 719         } while (FindNextFileW(h, &fd));
 720         FindClose(h);
 721     }
 722
 723     /* now check for cpls in the registry */
 724     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 725     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 726
 727     Control_DoInterface(panel, hWnd, hInst);
 728 }
 729
 730 #else
 731 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 732 {
 733     ShellExecuteW(NULL,
 734                   L"open",
 735                   L"explorer.exe",
 736                   L"::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}",
 737                   NULL,
 738                   SW_SHOWDEFAULT);
 739 }
 740 #endif
 741
 742 #ifdef __REACTOS__
 743
 744 /** Structure for in and out data when
 745  *  search for the cpl dialog of first instance
 746  */
 747 typedef struct tagAppDlgFindData
 748 {
 749     PCWSTR    szAppFile;  /**< Full path to applet library as search parameter */
 750     UINT_PTR  sAppletNo;  /**< Number of applet in a system control library as search parameter */
 751     ATOM      aCPLName;   /**< to read window property 'CPLName' */
 752     ATOM      aCPLFlags;  /**< to read window property 'CPLFlags'*/
 753     HWND      hRunDLL;    /**< to skip self instance */
 754     HWND      hDlgResult; /**< Returned dialog handle or NULL if not found */
 755 } AppDlgFindData;
 756
 757 /**
 758  * Callback function to search applet dialog
 759  * @param hwnd A handle to a top-level window.
 760  * @param lParam Pointer of AppDlgFindData
 761  * @return TRUE: continue enumeration, FALSE: stop enumeration
 762  */
 763 static BOOL CALLBACK
 764 Control_EnumWinProc(
 765     _In_ HWND   hwnd,
 766     _In_ LPARAM lParam)
 767 {
 768     AppDlgFindData* pData = (AppDlgFindData*)lParam;
 769     WCHAR szClassName[256] = L"";
 770
 771     if (pData->hRunDLL == hwnd)
 772     {
 773         // Skip self instance
 774         return TRUE;
 775     }
 776
 777     if (GetClassNameW(hwnd, szClassName, _countof(szClassName)))
 778     {
 779         // Note: A comparison on identical is not possible, the class names are different.
 780         // ReactOS: 'rundll32_window'
 781         // WinXP: 'RunDLL'
 782         // other OS: not checked
 783         if (StrStrIW(szClassName, L"rundll32") != NULL)
 784         {
 785             UINT_PTR sAppletNo;
 786
 787             sAppletNo = (UINT_PTR)GetPropW(hwnd, (LPTSTR)MAKEINTATOM(pData->aCPLFlags));
 788             if (sAppletNo == pData->sAppletNo)
 789             {
 790                 HANDLE hRes;
 791                 WCHAR szAppFile[MAX_PATH];
 792
 793                 hRes = GetPropW(hwnd, (LPTSTR)MAKEINTATOM(pData->aCPLName));
 794                 GlobalGetAtomNameW((ATOM)HandleToUlong(hRes), szAppFile, _countof(szAppFile));
 795                 if (wcscmp(szAppFile, pData->szAppFile) == 0)
 796                 {
 797                     HWND hDialog = GetLastActivePopup(hwnd);
 798                     if (IsWindow(hDialog))
 799                     {
 800                         pData->hDlgResult = hDialog;
 801                         return FALSE; // stop enumeration
 802                     }
 803                 }
 804             }
 805         }
 806     }
 807     return TRUE; // continue enumeration
 808 }
 809
 810 /**
 811  * This function makes the system control applet accessible via the taskbar.
 812  *
 813  * @param applet
 814  * Pointer of system control applet.
 815  *
 816  * @param index
 817  * Number of applet in a system control library.
 818  */
 819 static void
 820 Control_ShowAppletInTaskbar(CPlApplet* applet, UINT index)
 821 {
 822     ITaskbarList* pTaskbar = NULL;
 823
 824     SetWindowTextW(applet->hWnd, applet->info[index].name);
 825     SendMessageW(applet->hWnd, WM_SETICON, ICON_SMALL, (LPARAM)applet->info[index].icon);
 826
 827     /* Add button to the taskbar */
 828     ShowWindow(applet->hWnd, SW_SHOWMINNOACTIVE);
 829
 830     /* Activate the corresponding button in the taskbar */
 831     CoInitialize(NULL);
 832     if (CoCreateInstance(&CLSID_TaskbarList,
 833                          NULL, CLSCTX_INPROC_SERVER,
 834                          &IID_ITaskbarList,
 835                          (LPVOID*)&pTaskbar) == S_OK)
 836     {
 837         if (ITaskbarList_HrInit(pTaskbar) == S_OK)
 838         {
 839             ITaskbarList_ActivateTab(pTaskbar, applet->hWnd);
 840         }
 841         ITaskbarList_Release(pTaskbar);
 842     }
 843     CoUninitialize();
 844 }
 845
 846 #endif /* __REACTOS__ */
 847
 848 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 849    /* forms to parse:
 850     *   foo.cpl,@sp,str
 851     *   foo.cpl,@sp
 852     *   foo.cpl,,str
 853     *   foo.cpl @sp
 854     *   foo.cpl str
 855     *   "a path\foo.cpl"
 856     */
 857 {
 858     LPWSTR      buffer;
 859     LPWSTR      beg = NULL;
 860     LPWSTR      end;
 861     WCHAR       ch;
 862     LPWSTR       ptr;
 863     signed      sp = -1;
 864     LPWSTR      extraPmtsBuf = NULL;
 865     LPWSTR      extraPmts = NULL;
 866     BOOL        quoted = FALSE;
 867     CPlApplet *applet;
 868
 869     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 870     if (!buffer) return;
 871
 872     end = lstrcpyW(buffer, wszCmd);
 873
 874     for (;;) {
 875         ch = *end;
 876         if (ch == '"') quoted = !quoted;
 877         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 878             *end = '\0';
 879             if (beg) {
 880                 if (*beg == '@') {
 881                     sp = atoiW(beg + 1);
 882                 } else if (*beg == '\0') {
 883                     sp = -1;
 884                 } else {
 885                     extraPmtsBuf = beg;
 886                 }
 887             }
 888             if (ch == '\0') break;
 889             beg = end + 1;
 890             if (ch == ' ') while (end[1] == ' ') end++;
 891         }
 892         end++;
 893     }
 894     while ((ptr = StrChrW(buffer, '"')))
 895         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 896
 897     /* now check for any quotes in extraPmtsBuf and remove */
 898     if (extraPmtsBuf != NULL)
 899     {
 900         beg = end = extraPmtsBuf;
 901         quoted = FALSE;
 902
 903         for (;;) {
 904             ch = *end;
 905             if (ch == '"') quoted = !quoted;
 906             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 907                 *end = '\0';
 908                 if (beg) {
 909                     if (*beg != '\0') {
 910                         extraPmts = beg;
 911                     }
 912                 }
 913                 if (ch == '\0') break;
 914                 beg = end + 1;
 915                 if (ch == ' ') while (end[1] == ' ') end++;
 916             }
 917             end++;
 918         }
 919
 920         while ((ptr = StrChrW(extraPmts, '"')))
 921             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 922
 923         if (extraPmts == NULL)
 924             extraPmts = extraPmtsBuf;
 925     }
 926
 927     /* Now check if there had been a numerical value in the extra params */
 928     if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
 929         sp = atoiW(extraPmts + 1);
 930     }
 931
 932     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 933
 934     applet = Control_LoadApplet(hWnd, buffer, panel);
 935     if (applet)
 936     {
 937 #ifdef __REACTOS__
 938     ULONG_PTR cookie;
 939     BOOL bActivated;
 940     ATOM aCPLName;
 941     ATOM aCPLFlags;
 942     ATOM aCPLPath;
 943     AppDlgFindData findData;
 944 #endif
 945         /* we've been given a textual parameter (or none at all) */
 946         if (sp == -1) {
 947             while ((++sp) != applet->count) {
 948                 TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
 949
 950                 if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
 951                     break;
 952             }
 953         }
 954
 955         if (sp >= applet->count) {
 956             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 957             sp = 0;
 958         }
 959
 960 #ifdef __REACTOS__
 961         bActivated = (applet->hActCtx != INVALID_HANDLE_VALUE ? ActivateActCtx(applet->hActCtx, &cookie) : FALSE);
 962
 963         aCPLPath = GlobalFindAtomW(applet->cmd);
 964         if (!aCPLPath)
 965         {
 966             aCPLPath = GlobalAddAtomW(applet->cmd);
 967         }
 968
 969         aCPLName = GlobalFindAtomW(L"CPLName");
 970         if (!aCPLName)
 971         {
 972             aCPLName = GlobalAddAtomW(L"CPLName");
 973         }
 974
 975         aCPLFlags = GlobalFindAtomW(L"CPLFlags");
 976         if (!aCPLFlags)
 977         {
 978             aCPLFlags = GlobalAddAtomW(L"CPLFlags");
 979         }
 980
 981         findData.szAppFile = applet->cmd;
 982         findData.sAppletNo = (UINT_PTR)(sp + 1);
 983         findData.aCPLName = aCPLName;
 984         findData.aCPLFlags = aCPLFlags;
 985         findData.hRunDLL = applet->hWnd;
 986         findData.hDlgResult = NULL;
 987         // Find the dialog of this applet in the first instance.
 988         // Note: The simpler functions "FindWindow" or "FindWindowEx" does not find this type of dialogs.
 989         EnumWindows(Control_EnumWinProc, (LPARAM)&findData);
 990         if (findData.hDlgResult)
 991         {
 992             BringWindowToTop(findData.hDlgResult);
 993         }
 994         else
 995         {
 996             SetPropW(applet->hWnd, (LPTSTR)MAKEINTATOM(aCPLName), (HANDLE)MAKEINTATOM(aCPLPath));
 997             SetPropW(applet->hWnd, (LPTSTR)MAKEINTATOM(aCPLFlags), UlongToHandle(sp + 1));
 998             Control_ShowAppletInTaskbar(applet, sp);
 999 #endif
1000
1001         if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
1002             applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
1003 #ifdef __REACTOS__
1004             RemovePropW(applet->hWnd, applet->cmd);
1005             GlobalDeleteAtom(aCPLPath);
1006         }
1007 #endif
1008
1009         Control_UnloadApplet(applet);
1010
1011 #ifdef __REACTOS__
1012     if (bActivated)
1013         DeactivateActCtx(0, cookie);
1014 #endif
1015
1016     }
1017
1018     HeapFree(GetProcessHeap(), 0, buffer);
1019 }
1020
1021 /*************************************************************************
1022  * Control_RunDLLW                      [SHELL32.@]
1023  *
1024  */
1025 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
1026 {
1027     CPanel      panel;
1028
1029     TRACE("(%p, %p, %s, 0x%08x)\n",
1030           hWnd, hInst, debugstr_w(cmd), nCmdShow);
1031
1032 #ifndef __REACTOS__
1033     memset(&panel, 0, sizeof(panel));
1034     list_init( &panel.applets );
1035 #endif
1036
1037     if (!cmd || !*cmd) {
1038         Control_DoWindow(&panel, hWnd, hInst);
1039     } else {
1040         Control_DoLaunch(&panel, hWnd, cmd);
1041     }
1042 }
1043
1044 /*************************************************************************
1045  * Control_RunDLLA                      [SHELL32.@]
1046  *
1047  */
1048 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
1049 {
1050     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
1051     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1052     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
1053     {
1054         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
1055     }
1056     HeapFree(GetProcessHeap(), 0, wszCmd);
1057 }
1058
1059 /*************************************************************************
1060  * Control_FillCache_RunDLLW                    [SHELL32.@]
1061  *
1062  */
1063 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
1064 {
1065     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
1066     return S_OK;
1067 }
1068
1069 /*************************************************************************
1070  * Control_FillCache_RunDLLA                    [SHELL32.@]
1071  *
1072  */
1073 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
1074 {
1075     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
1076 }
1077
1078
1079 #ifdef __REACTOS__
1080 /*************************************************************************
1081  * RunDll_CallEntry16                [SHELL32.122]
1082  * the name is OK (when written with Dll, and not DLL as in Wine!)
1083  */
1084 void WINAPI RunDll_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
1085                                 LPCSTR cmdline, INT cmdshow )
1086 {
1087     FIXME( "proc %lx hwnd %p inst %p cmdline %s cmdshow %d\n",
1088            proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
1089 }
1090 #endif
1091
1092 /*************************************************************************
1093  * CallCPLEntry16                               [SHELL32.166]
1094  *
1095  * called by desk.cpl on "Advanced" with:
1096  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
1097  *
1098  */
1099 #ifndef __REACTOS__
1100 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
1101 #else
1102 DECLARE_HANDLE(FARPROC16);
1103 LRESULT WINAPI CallCPLEntry16(HINSTANCE hMod, FARPROC16 pFunc, HWND dw3, UINT dw4, LPARAM dw5, LPARAM dw6)
1104 #endif
1105 {
1106     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
1107     return 0x0deadbee;
1108 }