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->cmd);
  63     HeapFree(GetProcessHeap(), 0, applet);
  64     return next;
  65 }
  66
  67 CPlApplet*      Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
  68 {
  69     CPlApplet*  applet;
  70     unsigned    i;
  71     CPLINFO     info;
  72     NEWCPLINFOW newinfo;
  73
  74     if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
  75        return applet;
  76
  77     applet->hWnd = hWnd;
  78
  79     if (!(applet->hModule = LoadLibraryW(cmd))) {
  80         WARN("Cannot load control panel applet %s\n", debugstr_w(cmd));
  81         goto theError;
  82     }
  83     if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
  84         WARN("Not a valid control panel applet %s\n", debugstr_w(cmd));
  85         goto theError;
  86     }
  87     if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
  88         WARN("Init of applet has failed\n");
  89         goto theError;
  90     }
  91     if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
  92         WARN("No subprogram in applet\n");
  93         goto theError;
  94     }
  95
  96     applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
  97                          sizeof(*applet) + (applet->count - 1) * sizeof(NEWCPLINFOW));
  98
  99     if (!(applet->cmd = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(cmd)+1) * sizeof(WCHAR)))) {
 100         WARN("Cannot allocate memory for applet path\n");
 101         goto theError;
 102     }
 103
 104     lstrcpyW(applet->cmd, cmd);
 105
 106     for (i = 0; i < applet->count; i++) {
 107        ZeroMemory(&newinfo, sizeof(newinfo));
 108        newinfo.dwSize = sizeof(NEWCPLINFOA);
 109        applet->info[i].dwSize = sizeof(NEWCPLINFOW);
 110        applet->info[i].dwFlags = 0;
 111        applet->info[i].dwHelpContext = 0;
 112        applet->info[i].szHelpFile[0] = '\0';
 113        /* proc is supposed to return a null value upon success for
 114         * CPL_INQUIRE and CPL_NEWINQUIRE
 115         * However, real drivers don't seem to behave like this
 116         * So, use introspection rather than return value
 117         */
 118        applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
 119        applet->info[i].lData = info.lData;
 120        if (info.idIcon != CPL_DYNAMIC_RES)
 121            applet->info[i].hIcon = LoadIconW(applet->hModule,
 122                                              MAKEINTRESOURCEW(info.idIcon));
 123        if (info.idName != CPL_DYNAMIC_RES)
 124            LoadStringW(applet->hModule, info.idName,
 125                        applet->info[i].szName, sizeof(applet->info[i].szName) / sizeof(WCHAR));
 126        if (info.idInfo != CPL_DYNAMIC_RES)
 127            LoadStringW(applet->hModule, info.idInfo,
 128                        applet->info[i].szInfo, sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
 129
 130        /* some broken control panels seem to return incorrect values in CPL_INQUIRE,
 131           but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
 132           icon, see what we can get from CPL_NEWINQUIRE */
 133
 134        if ((applet->info[i].szName == 0) || (lstrlenW(applet->info[i].szName) == 0))
 135            info.idName = CPL_DYNAMIC_RES;
 136
 137        /* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
 138           to check anyway */
 139
 140        if ((applet->info[i].szInfo == 0) || (lstrlenW(applet->info[i].szInfo) == 0))
 141            info.idInfo = CPL_DYNAMIC_RES;
 142
 143        if (applet->info[i].hIcon == NULL)
 144            info.idIcon = CPL_DYNAMIC_RES;
 145
 146        if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
 147            (info.idInfo == CPL_DYNAMIC_RES)) {
 148            applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
 149
 150            applet->info[i].dwFlags = newinfo.dwFlags;
 151            applet->info[i].dwHelpContext = newinfo.dwHelpContext;
 152            applet->info[i].lData = newinfo.lData;
 153            if (info.idIcon == CPL_DYNAMIC_RES) {
 154                if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
 155                applet->info[i].hIcon = newinfo.hIcon;
 156            }
 157            if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
 158                if (info.idName == CPL_DYNAMIC_RES)
 159                    memcpy(applet->info[i].szName, newinfo.szName, sizeof(newinfo.szName));
 160                if (info.idInfo == CPL_DYNAMIC_RES)
 161                    memcpy(applet->info[i].szInfo, newinfo.szInfo, sizeof(newinfo.szInfo));
 162                memcpy(applet->info[i].szHelpFile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
 163            } else {
 164                if (info.idName == CPL_DYNAMIC_RES)
 165                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
 166                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
 167                                        applet->info[i].szName,
 168                                        sizeof(applet->info[i].szName) / sizeof(WCHAR));
 169                if (info.idInfo == CPL_DYNAMIC_RES)
 170                    MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
 171                                        sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
 172                                        applet->info[i].szInfo,
 173                                        sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
 174                MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
 175                                    sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
 176                                    applet->info[i].szHelpFile,
 177                                    sizeof(applet->info[i].szHelpFile) / sizeof(WCHAR));
 178            }
 179        }
 180     }
 181
 182     applet->next = panel->first;
 183     panel->first = applet;
 184
 185     return applet;
 186
 187  theError:
 188     Control_UnloadApplet(applet);
 189     return NULL;
 190 }
 191
 192 #define IDC_LISTVIEW        1000
 193 #define IDC_STATUSBAR       1001
 194
 195 #define NUM_COLUMNS            2
 196 #define LISTVIEW_DEFSTYLE   (WS_CHILD | WS_VISIBLE | WS_TABSTOP |\
 197                              LVS_SORTASCENDING | LVS_AUTOARRANGE | LVS_SINGLESEL)
 198
 199 static BOOL Control_CreateListView (CPanel *panel)
 200 {
 201     RECT ws, sb;
 202     WCHAR empty_string[] = {0};
 203     WCHAR buf[MAX_STRING_LEN];
 204     LVCOLUMNW lvc;
 205
 206     /* Create list view */
 207     GetClientRect(panel->hWndStatusBar, &sb);
 208     GetClientRect(panel->hWnd, &ws);
 209
 210     panel->hWndListView = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 211                           empty_string, LISTVIEW_DEFSTYLE | LVS_ICON,
 212                           0, 0, ws.right - ws.left, ws.bottom - ws.top -
 213                           (sb.bottom - sb.top), panel->hWnd,
 214                           (HMENU) IDC_LISTVIEW, panel->hInst, NULL);
 215
 216     if (!panel->hWndListView)
 217         return FALSE;
 218
 219     /* Create image lists for list view */
 220     panel->hImageListSmall = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
 221         GetSystemMetrics(SM_CYSMICON), ILC_MASK, 1, 1);
 222     panel->hImageListLarge = ImageList_Create(GetSystemMetrics(SM_CXICON),
 223         GetSystemMetrics(SM_CYICON), ILC_MASK, 1, 1);
 224
 225     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)panel->hImageListSmall);
 226     SendMessageW(panel->hWndListView, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)panel->hImageListLarge);
 227
 228     /* Create columns for list view */
 229     lvc.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_WIDTH;
 230     lvc.pszText = buf;
 231     lvc.fmt = LVCFMT_LEFT;
 232
 233     /* Name column */
 234     lvc.iSubItem = 0;
 235     lvc.cx = (ws.right - ws.left) / 3;
 236     LoadStringW(shell32_hInstance, IDS_CPANEL_NAME, buf, sizeof(buf) / sizeof(buf[0]));
 237
 238     if (ListView_InsertColumnW(panel->hWndListView, 0, &lvc) == -1)
 239         return FALSE;
 240
 241     /* Description column */
 242     lvc.iSubItem = 1;
 243     lvc.cx = ((ws.right - ws.left) / 3) * 2;
 244     LoadStringW(shell32_hInstance, IDS_CPANEL_DESCRIPTION, buf, sizeof(buf) /
 245         sizeof(buf[0]));
 246
 247     if (ListView_InsertColumnW(panel->hWndListView, 1, &lvc) == -1)
 248         return FALSE;
 249
 250     return(TRUE);
 251 }
 252
 253 static void      Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
 254 {
 255    CPanel* panel = cs->lpCreateParams;
 256    HMENU hMenu, hSubMenu;
 257    CPlApplet* applet;
 258    MENUITEMINFOW mii;
 259    unsigned int i;
 260    int menucount, index;
 261    CPlItem *item;
 262    LVITEMW lvItem;
 263    INITCOMMONCONTROLSEX icex;
 264    INT sb_parts;
 265    int itemidx;
 266
 267    SetWindowLongPtrW(hWnd, 0, (LONG_PTR)panel);
 268    panel->hWnd = hWnd;
 269
 270    /* Initialise common control DLL */
 271    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 272    icex.dwICC = ICC_LISTVIEW_CLASSES | ICC_BAR_CLASSES;
 273    InitCommonControlsEx(&icex);
 274
 275    /* create the status bar */
 276    if (!(panel->hWndStatusBar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM | SBARS_SIZEGRIP, NULL, hWnd, IDC_STATUSBAR)))
 277        return;
 278
 279    sb_parts = -1;
 280    SendMessageW(panel->hWndStatusBar, SB_SETPARTS, 1, (LPARAM) &sb_parts);
 281
 282    /* create the list view */
 283    if (!Control_CreateListView(panel))
 284        return;
 285
 286    hMenu = LoadMenuW(shell32_hInstance, MAKEINTRESOURCEW(MENU_CPANEL));
 287
 288    /* insert menu items for applets */
 289    hSubMenu = GetSubMenu(hMenu, 0);
 290    menucount = 0;
 291
 292    for (applet = panel->first; applet; applet = applet->next) {
 293       for (i = 0; i < applet->count; i++) {
 294          if (!applet->info[i].dwSize)
 295             continue;
 296
 297          /* set up a CPlItem for this particular subprogram */
 298          item = HeapAlloc(GetProcessHeap(), 0, sizeof(CPlItem));
 299
 300          if (!item)
 301             continue;
 302
 303          item->applet = applet;
 304          item->id = i;
 305
 306          mii.cbSize = sizeof(MENUITEMINFOW);
 307          mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
 308          mii.dwTypeData = applet->info[i].szName;
 309          mii.cch = sizeof(applet->info[i].szName) / sizeof(applet->info[i].szName[0]);
 310          mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
 311          mii.dwItemData = (ULONG_PTR)item;
 312
 313          if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
 314             /* add the list view item */
 315             index = ImageList_AddIcon(panel->hImageListLarge, applet->info[i].hIcon);
 316             ImageList_AddIcon(panel->hImageListSmall, applet->info[i].hIcon);
 317
 318             lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
 319             lvItem.iItem = menucount;
 320             lvItem.iSubItem = 0;
 321             lvItem.pszText = applet->info[i].szName;
 322             lvItem.iImage = index;
 323             lvItem.lParam = (LPARAM) item;
 324
 325             itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
 326
 327             /* add the description */
 328             ListView_SetItemTextW(panel->hWndListView, itemidx, 1,
 329                 applet->info[i].szInfo);
 330
 331             /* update menu bar, increment count */
 332             DrawMenuBar(hWnd);
 333             menucount++;
 334          }
 335       }
 336    }
 337
 338    panel->total_subprogs = menucount;
 339
 340    /* check the "large items" icon in the View menu */
 341    hSubMenu = GetSubMenu(hMenu, 1);
 342    CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 343       FCIDM_SHVIEW_BIGICON, MF_BYCOMMAND);
 344
 345    SetMenu(hWnd, hMenu);
 346 }
 347
 348 static void Control_FreeCPlItems(HWND hWnd, CPanel *panel)
 349 {
 350     HMENU hMenu, hSubMenu;
 351     MENUITEMINFOW mii;
 352     unsigned int i;
 353
 354     /* get the File menu */
 355     hMenu = GetMenu(hWnd);
 356
 357     if (!hMenu)
 358         return;
 359
 360     hSubMenu = GetSubMenu(hMenu, 0);
 361
 362     if (!hSubMenu)
 363         return;
 364
 365     /* loop and free the item data */
 366     for (i = IDM_CPANEL_APPLET_BASE; i <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs; i++)
 367     {
 368         mii.cbSize = sizeof(MENUITEMINFOW);
 369         mii.fMask = MIIM_DATA;
 370
 371         if (!GetMenuItemInfoW(hSubMenu, i, FALSE, &mii))
 372             continue;
 373
 374         HeapFree(GetProcessHeap(), 0, (LPVOID) mii.dwItemData);
 375     }
 376 }
 377
 378 static void Control_UpdateListViewStyle(CPanel *panel, UINT style, UINT id)
 379 {
 380     HMENU hMenu, hSubMenu;
 381
 382     SetWindowLongW(panel->hWndListView, GWL_STYLE, LISTVIEW_DEFSTYLE | style);
 383
 384     /* update the menu */
 385     hMenu = GetMenu(panel->hWnd);
 386     hSubMenu = GetSubMenu(hMenu, 1);
 387
 388     CheckMenuRadioItem(hSubMenu, FCIDM_SHVIEW_BIGICON, FCIDM_SHVIEW_REPORTVIEW,
 389         id, MF_BYCOMMAND);
 390 }
 391
 392 static CPlItem* Control_GetCPlItem_From_MenuID(HWND hWnd, UINT id)
 393 {
 394     HMENU hMenu, hSubMenu;
 395     MENUITEMINFOW mii;
 396
 397     /* retrieve the CPlItem structure from the menu item data */
 398     hMenu = GetMenu(hWnd);
 399
 400     if (!hMenu)
 401         return NULL;
 402
 403     hSubMenu = GetSubMenu(hMenu, 0);
 404
 405     if (!hSubMenu)
 406         return NULL;
 407
 408     mii.cbSize = sizeof(MENUITEMINFOW);
 409     mii.fMask = MIIM_DATA;
 410
 411     if (!GetMenuItemInfoW(hSubMenu, id, FALSE, &mii))
 412         return NULL;
 413
 414     return (CPlItem *) mii.dwItemData;
 415 }
 416
 417 static CPlItem* Control_GetCPlItem_From_ListView(CPanel *panel)
 418 {
 419     LVITEMW lvItem;
 420     int selitem;
 421
 422     selitem = SendMessageW(panel->hWndListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED
 423         | LVNI_SELECTED);
 424
 425     if (selitem != -1)
 426     {
 427         lvItem.iItem = selitem;
 428         lvItem.mask = LVIF_PARAM;
 429
 430         if (SendMessageW(panel->hWndListView, LVM_GETITEMW, 0, (LPARAM) &lvItem))
 431             return (CPlItem *) lvItem.lParam;
 432     }
 433
 434     return NULL;
 435 }
 436
 437 static void Control_StartApplet(HWND hWnd, CPlItem *item)
 438 {
 439     WCHAR verbOpen[] = {'c','p','l','o','p','e','n',0};
 440     WCHAR format[] = {'@','%','d',0};
 441     WCHAR param[MAX_PATH];
 442
 443     /* execute the applet if item is valid */
 444     if (item)
 445     {
 446         wsprintfW(param, format, item->id);
 447         ShellExecuteW(hWnd, verbOpen, item->applet->cmd, param, NULL, SW_SHOW);
 448     }
 449 }
 450
 451 static LRESULT WINAPI   Control_WndProc(HWND hWnd, UINT wMsg,
 452                                         WPARAM lParam1, LPARAM lParam2)
 453 {
 454    CPanel*      panel = (CPanel*)GetWindowLongPtrW(hWnd, 0);
 455
 456    if (panel || wMsg == WM_CREATE) {
 457       switch (wMsg) {
 458       case WM_CREATE:
 459          Control_WndProc_Create(hWnd, (CREATESTRUCTW*)lParam2);
 460          return 0;
 461       case WM_DESTROY:
 462          {
 463             CPlApplet*  applet = panel->first;
 464             while (applet)
 465                applet = Control_UnloadApplet(applet);
 466          }
 467          Control_FreeCPlItems(hWnd, panel);
 468          PostQuitMessage(0);
 469          break;
 470       case WM_COMMAND:
 471          switch (LOWORD(lParam1))
 472          {
 473              case IDM_CPANEL_EXIT:
 474                  SendMessageW(hWnd, WM_CLOSE, 0, 0);
 475                  return 0;
 476
 477              case IDM_CPANEL_ABOUT:
 478                  {
 479                      WCHAR appName[MAX_STRING_LEN];
 480
 481                      LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName,
 482                          sizeof(appName) / sizeof(appName[0]));
 483                      ShellAboutW(hWnd, appName, NULL, NULL);
 484
 485                      return 0;
 486                  }
 487
 488              case FCIDM_SHVIEW_BIGICON:
 489                  Control_UpdateListViewStyle(panel, LVS_ICON, FCIDM_SHVIEW_BIGICON);
 490                  return 0;
 491
 492              case FCIDM_SHVIEW_SMALLICON:
 493                  Control_UpdateListViewStyle(panel, LVS_SMALLICON, FCIDM_SHVIEW_SMALLICON);
 494                  return 0;
 495
 496              case FCIDM_SHVIEW_LISTVIEW:
 497                  Control_UpdateListViewStyle(panel, LVS_LIST, FCIDM_SHVIEW_LISTVIEW);
 498                  return 0;
 499
 500              case FCIDM_SHVIEW_REPORTVIEW:
 501                  Control_UpdateListViewStyle(panel, LVS_REPORT, FCIDM_SHVIEW_REPORTVIEW);
 502                  return 0;
 503
 504              default:
 505                  /* check if this is an applet */
 506                  if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 507                      (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 508                  {
 509                      Control_StartApplet(hWnd, Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1)));
 510                      return 0;
 511                  }
 512
 513                  break;
 514          }
 515
 516          break;
 517
 518       case WM_NOTIFY:
 519       {
 520           LPNMHDR nmh = (LPNMHDR) lParam2;
 521
 522           switch (nmh->idFrom)
 523           {
 524               case IDC_LISTVIEW:
 525                   switch (nmh->code)
 526                   {
 527                       case NM_RETURN:
 528                       case NM_DBLCLK:
 529                       {
 530                           Control_StartApplet(hWnd, Control_GetCPlItem_From_ListView(panel));
 531                           return 0;
 532                       }
 533                       case LVN_ITEMCHANGED:
 534                       {
 535                           CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 536
 537                           /* update the status bar if item is valid */
 538                           if (item)
 539                               SetWindowTextW(panel->hWndStatusBar,
 540                                   item->applet->info[item->id].szInfo);
 541                           else
 542                               SetWindowTextW(panel->hWndStatusBar, NULL);
 543
 544                           return 0;
 545                       }
 546                   }
 547
 548                   break;
 549           }
 550
 551           break;
 552       }
 553
 554       case WM_MENUSELECT:
 555           /* check if this is an applet */
 556           if ((LOWORD(lParam1) >= IDM_CPANEL_APPLET_BASE) &&
 557               (LOWORD(lParam1) <= IDM_CPANEL_APPLET_BASE + panel->total_subprogs))
 558           {
 559               CPlItem *item = Control_GetCPlItem_From_MenuID(hWnd, LOWORD(lParam1));
 560
 561               /* update the status bar if item is valid */
 562               if (item)
 563                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].szInfo);
 564           }
 565           else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
 566           {
 567               /* reset status bar description to that of the selected icon */
 568               CPlItem *item = Control_GetCPlItem_From_ListView(panel);
 569
 570               if (item)
 571                   SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].szInfo);
 572               else
 573                   SetWindowTextW(panel->hWndStatusBar, NULL);
 574
 575               return 0;
 576           }
 577           else
 578               SetWindowTextW(panel->hWndStatusBar, NULL);
 579
 580           return 0;
 581
 582       case WM_SIZE:
 583       {
 584           HDWP hdwp;
 585           RECT sb;
 586
 587           hdwp = BeginDeferWindowPos(2);
 588
 589           if (hdwp == NULL)
 590               break;
 591
 592           GetClientRect(panel->hWndStatusBar, &sb);
 593
 594           hdwp = DeferWindowPos(hdwp, panel->hWndListView, NULL, 0, 0,
 595               LOWORD(lParam2), HIWORD(lParam2) - (sb.bottom - sb.top),
 596               SWP_NOZORDER | SWP_NOMOVE);
 597
 598           if (hdwp == NULL)
 599               break;
 600
 601           hdwp = DeferWindowPos(hdwp, panel->hWndStatusBar, NULL, 0, 0,
 602               LOWORD(lParam2), LOWORD(lParam1), SWP_NOZORDER | SWP_NOMOVE);
 603
 604           if (hdwp != NULL)
 605               EndDeferWindowPos(hdwp);
 606
 607           return 0;
 608       }
 609      }
 610    }
 611
 612    return DefWindowProcW(hWnd, wMsg, lParam1, lParam2);
 613 }
 614
 615 static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 616 {
 617     WNDCLASSW   wc;
 618     MSG         msg;
 619     WCHAR appName[MAX_STRING_LEN];
 620     const WCHAR className[] = {'S','h','e','l','l','_','C','o','n','t','r','o',
 621         'l','_','W','n','d','C','l','a','s','s',0};
 622
 623     LoadStringW(shell32_hInstance, IDS_CPANEL_TITLE, appName, sizeof(appName) / sizeof(appName[0]));
 624
 625     wc.style = CS_HREDRAW|CS_VREDRAW;
 626     wc.lpfnWndProc = Control_WndProc;
 627     wc.cbClsExtra = 0;
 628     wc.cbWndExtra = sizeof(CPlApplet*);
 629     wc.hInstance = panel->hInst = hInst;
 630     wc.hIcon = 0;
 631     wc.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
 632     wc.hbrBackground = GetStockObject(WHITE_BRUSH);
 633     wc.lpszMenuName = NULL;
 634     wc.lpszClassName = className;
 635
 636     if (!RegisterClassW(&wc)) return;
 637
 638     CreateWindowExW(0, wc.lpszClassName, appName,
 639                     WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 640                     CW_USEDEFAULT, CW_USEDEFAULT,
 641                     CW_USEDEFAULT, CW_USEDEFAULT,
 642                     hWnd, NULL, hInst, panel);
 643     if (!panel->hWnd) return;
 644
 645     while (GetMessageW(&msg, panel->hWnd, 0, 0)) {
 646         TranslateMessage(&msg);
 647         DispatchMessageW(&msg);
 648     }
 649 }
 650
 651 static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
 652 {
 653     WCHAR name[MAX_PATH];
 654     WCHAR value[MAX_PATH];
 655     HKEY hkey;
 656
 657     if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
 658     {
 659         int idx = 0;
 660
 661         for(;; ++idx)
 662         {
 663             DWORD nameLen = MAX_PATH;
 664             DWORD valueLen = MAX_PATH;
 665
 666             if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)value, &valueLen) != ERROR_SUCCESS)
 667                 break;
 668
 669             Control_LoadApplet(hWnd, value, panel);
 670         }
 671         RegCloseKey(hkey);
 672     }
 673 }
 674
 675 static  void    Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
 676 {
 677     HANDLE              h;
 678     WIN32_FIND_DATAW    fd;
 679     WCHAR               buffer[MAX_PATH];
 680     static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
 681     static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
 682             '\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
 683             '\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
 684     WCHAR *p;
 685
 686     /* first add .cpl files in the system directory */
 687     GetSystemDirectoryW( buffer, MAX_PATH );
 688     p = buffer + strlenW(buffer);
 689     *p++ = '\\';
 690     lstrcpyW(p, wszAllCpl);
 691
 692     if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
 693         do {
 694            lstrcpyW(p, fd.cFileName);
 695            Control_LoadApplet(hWnd, buffer, panel);
 696         } while (FindNextFileW(h, &fd));
 697         FindClose(h);
 698     }
 699
 700     /* now check for cpls in the registry */
 701     Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
 702     Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
 703
 704     Control_DoInterface(panel, hWnd, hInst);
 705 }
 706
 707 static  void    Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
 708    /* forms to parse:
 709     *   foo.cpl,@sp,str
 710     *   foo.cpl,@sp
 711     *   foo.cpl,,str
 712     *   foo.cpl @sp
 713     *   foo.cpl str
 714     *   "a path\foo.cpl"
 715     */
 716 {
 717     LPWSTR      buffer;
 718     LPWSTR      beg = NULL;
 719     LPWSTR      end;
 720     WCHAR       ch;
 721     LPWSTR       ptr;
 722     signed      sp = -1;
 723     LPWSTR      extraPmtsBuf = NULL;
 724     LPWSTR      extraPmts = NULL;
 725     int        quoted = 0;
 726
 727     buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
 728     if (!buffer) return;
 729
 730     end = lstrcpyW(buffer, wszCmd);
 731
 732     for (;;) {
 733         ch = *end;
 734         if (ch == '"') quoted = !quoted;
 735         if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 736             *end = '\0';
 737             if (beg) {
 738                 if (*beg == '@') {
 739                     sp = atoiW(beg + 1);
 740                 } else if (*beg == '\0') {
 741                     sp = -1;
 742                 } else {
 743                     extraPmtsBuf = beg;
 744                 }
 745             }
 746             if (ch == '\0') break;
 747             beg = end + 1;
 748             if (ch == ' ') while (end[1] == ' ') end++;
 749         }
 750         end++;
 751     }
 752     while ((ptr = StrChrW(buffer, '"')))
 753         memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 754
 755     /* now check for any quotes in extraPmtsBuf and remove */
 756     if (extraPmtsBuf != NULL)
 757     {
 758         beg = end = extraPmtsBuf;
 759         quoted = 0;
 760
 761         for (;;) {
 762             ch = *end;
 763             if (ch == '"') quoted = !quoted;
 764             if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
 765                 *end = '\0';
 766                 if (beg) {
 767                     if (*beg != '\0') {
 768                         extraPmts = beg;
 769                     }
 770                 }
 771                 if (ch == '\0') break;
 772                     beg = end + 1;
 773                 if (ch == ' ') while (end[1] == ' ') end++;
 774             }
 775             end++;
 776         }
 777
 778         while ((ptr = StrChrW(extraPmts, '"')))
 779             memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
 780
 781         if (extraPmts == NULL)
 782             extraPmts = extraPmtsBuf;
 783     }
 784
 785     /* Now check if there had been a numerical value in the extra params */
 786     if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
 787         sp = atoiW(extraPmts + 1);
 788     }
 789
 790     TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
 791
 792     Control_LoadApplet(hWnd, buffer, panel);
 793
 794     if (panel->first) {
 795         CPlApplet* applet = panel->first;
 796
 797         assert(applet && applet->next == NULL);
 798
 799         /* we've been given a textual parameter (or none at all) */
 800         if (sp == -1) {
 801             while ((++sp) != applet->count) {
 802                 if (applet->info[sp].dwSize) {
 803                     TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].szName));
 804
 805                     if (StrCmpIW(extraPmts, applet->info[sp].szName) == 0)
 806                         break;
 807                 }
 808             }
 809         }
 810
 811         if (sp >= applet->count) {
 812             WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
 813             sp = 0;
 814         }
 815
 816         if (applet->info[sp].dwSize) {
 817             if (!applet->proc(applet->hWnd, CPL_STARTWPARMSA, sp, (LPARAM)extraPmts))
 818                 applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
 819         }
 820
 821         Control_UnloadApplet(applet);
 822     }
 823
 824     HeapFree(GetProcessHeap(), 0, buffer);
 825 }
 826
 827 /*************************************************************************
 828  * Control_RunDLLW                      [SHELL32.@]
 829  *
 830  */
 831 void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
 832 {
 833     CPanel      panel;
 834
 835     TRACE("(%p, %p, %s, 0x%08x)\n",
 836           hWnd, hInst, debugstr_w(cmd), nCmdShow);
 837
 838     memset(&panel, 0, sizeof(panel));
 839
 840     if (!cmd || !*cmd) {
 841         Control_DoWindow(&panel, hWnd, hInst);
 842     } else {
 843         Control_DoLaunch(&panel, hWnd, cmd);
 844     }
 845 }
 846
 847 /*************************************************************************
 848  * Control_RunDLLA                      [SHELL32.@]
 849  *
 850  */
 851 void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
 852 {
 853     DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
 854     LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 855     if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
 856     {
 857         Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
 858     }
 859     HeapFree(GetProcessHeap(), 0, wszCmd);
 860 }
 861
 862 /*************************************************************************
 863  * Control_FillCache_RunDLLW                    [SHELL32.@]
 864  *
 865  */
 866 HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 867 {
 868     FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
 869     return 0;
 870 }
 871
 872 /*************************************************************************
 873  * Control_FillCache_RunDLLA                    [SHELL32.@]
 874  *
 875  */
 876 HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
 877 {
 878     return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
 879 }
 880
 881
 882 /*************************************************************************
 883  * RunDLL_CallEntry16                           [SHELL32.122]
 884  * the name is probably wrong
 885  */
 886 void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
 887                                 LPCSTR cmdline, INT cmdshow )
 888 {
 889 #ifdef __i386__
 890     WORD args[5];
 891     SEGPTR cmdline_seg;
 892
 893     TRACE( "proc %x hwnd %p inst %p cmdline %s cmdshow %d\n",
 894            proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
 895
 896     cmdline_seg = MapLS( cmdline );
 897     args[4] = HWND_16(hwnd);
 898     args[3] = MapHModuleLS(inst);
 899     args[2] = SELECTOROF(cmdline_seg);
 900     args[1] = OFFSETOF(cmdline_seg);
 901     args[0] = cmdshow;
 902     WOWCallback16Ex( proc, WCB16_PASCAL, sizeof(args), args, NULL );
 903     UnMapLS( cmdline_seg );
 904 #endif
 905 }
 906
 907 /*************************************************************************
 908  * CallCPLEntry16                               [SHELL32.166]
 909  *
 910  * called by desk.cpl on "Advanced" with:
 911  * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 912  *
 913  */
 914 DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
 915 {
 916     FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
 917     return 0x0deadbee;
 918 }