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