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