programs/winecfg/libraries.c

   1 /*
   2  * WineCfg libraries tabsheet
   3  *
   4  * Copyright 2004 Robert van Herk
   5  * Copyright 2004 Mike Hearn
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #define NONAMELESSUNION
  27 #define WIN32_LEAN_AND_MEAN
  28 #include <windows.h>
  29 #include <commdlg.h>
  30 #include <wine/library.h>
  31 #include <wine/debug.h>
  32 #include <stdio.h>
  33 #include <dirent.h>
  34 #include <assert.h>
  35 #include <stdlib.h>
  36 #ifdef HAVE_SYS_STAT_H
  37 #include <sys/stat.h>
  38 #endif
  39 #ifdef HAVE_UNISTD_H
  40 #include <unistd.h>
  41 #endif
  42
  43 #include "winecfg.h"
  44 #include "resource.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(winecfg);
  47
  48 /* dlls that shouldn't be configured anything other than builtin; list must be sorted*/
  49 static const char * const builtin_only[] =
  50 {
  51     "advapi32",
  52     "capi2032",
  53     "dbghelp",
  54     "ddraw",
  55     "gdi32",
  56     "glu32",
  57     "icmp",
  58     "gphoto2.ds",
  59     "iphlpapi",
  60     "kernel32",
  61     "mountmgr.sys",
  62     "mswsock",
  63     "ntdll",
  64     "ntoskrnl.exe",
  65     "opengl32",
  66     "sane.ds",
  67     "twain_32",
  68     "unicows",
  69     "user32",
  70     "vdmdbg",
  71     "w32skrnl",
  72     "winealsa.drv",
  73     "wineaudioio.drv",
  74     "wined3d",
  75     "winedos",
  76     "wineesd.drv",
  77     "winejack.drv",
  78     "winejoystick.drv",
  79     "winemp3.acm",
  80     "winenas.drv",
  81     "wineoss.drv",
  82     "wineps",
  83     "wineps.drv",
  84     "winex11.drv",
  85     "winmm",
  86     "wintab32",
  87     "wnaspi32",
  88     "wow32",
  89     "ws2_32",
  90     "wsock32",
  91 };
  92
  93 enum dllmode
  94 {
  95         BUILTIN_NATIVE,
  96         NATIVE_BUILTIN,
  97         BUILTIN,
  98         NATIVE,
  99         DISABLE,
 100         UNKNOWN /* Special value indicating an erroneous DLL override mode */
 101 };
 102
 103 struct dll
 104 {
 105         char *name;
 106         enum dllmode mode;
 107 };
 108
 109 /* Convert a registry string to a dllmode */
 110 static enum dllmode string_to_mode(char *in)
 111 {
 112     int i, j, len;
 113     char *out;
 114     enum dllmode res;
 115
 116     len = strlen(in);
 117     out = HeapAlloc(GetProcessHeap(), 0, len);
 118
 119     /* remove the spaces */
 120     for (i = j = 0; i <= len; ++i) {
 121         if (in[i] != ' ') {
 122             out[j++] = in[i];
 123         }
 124     }
 125
 126     /* parse the string */
 127     res = UNKNOWN;
 128     if (strcmp(out, "builtin,native") == 0) res = BUILTIN_NATIVE;
 129     if (strcmp(out, "native,builtin") == 0) res = NATIVE_BUILTIN;
 130     if (strcmp(out, "builtin") == 0) res = BUILTIN;
 131     if (strcmp(out, "native") == 0) res = NATIVE;
 132     if (strcmp(out, "") == 0) res = DISABLE;
 133
 134     HeapFree(GetProcessHeap(), 0, out);
 135     return res;
 136 }
 137
 138 /* Convert a dllmode to a registry string. */
 139 static const char* mode_to_string(enum dllmode mode)
 140 {
 141     switch( mode )
 142     {
 143         case NATIVE: return "native";
 144         case BUILTIN: return "builtin";
 145         case NATIVE_BUILTIN: return "native,builtin";
 146         case BUILTIN_NATIVE: return "builtin,native";
 147         case DISABLE: return "";
 148         default: assert(FALSE); return "";
 149     }
 150 }
 151
 152 /* Convert a dllmode to a pretty string for display. TODO: use translations. */
 153 static const char* mode_to_label(enum dllmode mode)
 154 {
 155     static char buffer[256];
 156     UINT id = 0;
 157
 158     switch( mode )
 159     {
 160     case NATIVE: id = IDS_DLL_NATIVE; break;
 161     case BUILTIN: id = IDS_DLL_BUILTIN; break;
 162     case NATIVE_BUILTIN: id = IDS_DLL_NATIVE_BUILTIN; break;
 163     case BUILTIN_NATIVE: id = IDS_DLL_BUILTIN_NATIVE; break;
 164     case DISABLE: id = IDS_DLL_DISABLED; break;
 165     default: assert(FALSE);
 166     }
 167     if (!LoadStringA( GetModuleHandleA(NULL), id, buffer, sizeof(buffer) )) buffer[0] = 0;
 168     return buffer;
 169 }
 170
 171 /* Convert a control id (IDC_ constant) to a dllmode */
 172 static enum dllmode id_to_mode(DWORD id)
 173 {
 174     switch( id )
 175     {
 176         case IDC_RAD_BUILTIN: return BUILTIN;
 177         case IDC_RAD_NATIVE: return NATIVE;
 178         case IDC_RAD_NATIVE_BUILTIN: return NATIVE_BUILTIN;
 179         case IDC_RAD_BUILTIN_NATIVE: return BUILTIN_NATIVE;
 180         case IDC_RAD_DISABLE: return DISABLE;
 181         default: assert( FALSE ); return 0; /* should not be reached  */
 182     }
 183 }
 184
 185 /* Convert a dllmode to a control id (IDC_ constant) */
 186 static DWORD mode_to_id(enum dllmode mode)
 187 {
 188     switch( mode )
 189     {
 190         case BUILTIN: return IDC_RAD_BUILTIN;
 191         case NATIVE: return IDC_RAD_NATIVE;
 192         case NATIVE_BUILTIN: return IDC_RAD_NATIVE_BUILTIN;
 193         case BUILTIN_NATIVE: return IDC_RAD_BUILTIN_NATIVE;
 194         case DISABLE: return IDC_RAD_DISABLE;
 195         default: assert( FALSE ); return 0; /* should not be reached  */
 196     }
 197 }
 198
 199 /* helper for is_builtin_only */
 200 static int compare_dll( const void *ptr1, const void *ptr2 )
 201 {
 202     const char * const *name1 = ptr1;
 203     const char * const *name2 = ptr2;
 204     return strcmp( *name1, *name2 );
 205 }
 206
 207 /* check if dll is recommended as builtin only */
 208 static inline int is_builtin_only( const char *name )
 209 {
 210     const char *ext = strrchr( name, '.' );
 211
 212     if (ext)
 213     {
 214         if (!strcmp( ext, ".vxd" ) ||
 215             !strcmp( ext, ".drv" ) ||
 216             !strcmp( ext, ".tlb" ))
 217             return TRUE;
 218     }
 219     return bsearch( &name, builtin_only, sizeof(builtin_only)/sizeof(builtin_only[0]),
 220                     sizeof(builtin_only[0]), compare_dll ) != NULL;
 221 }
 222
 223 /* check if dll should be offered in the drop-down list */
 224 static int show_dll_in_list( const char *name )
 225 {
 226     const char *ext = strrchr( name, '.' );
 227
 228     if (ext)
 229     {
 230         /* skip 16-bit dlls */
 231         if (strlen(ext) > 2 && !strcmp( ext + strlen(ext) - 2, "16" )) return FALSE;
 232         /* skip exes */
 233         if (!strcmp( ext, ".exe" )) return FALSE;
 234     }
 235     /* skip dlls that should always be builtin */
 236     return !is_builtin_only( name );
 237 }
 238
 239 static void set_controls_from_selection(HWND dialog)
 240 {
 241     /* FIXME: display/update some information about the selected dll (purpose, recommended loadorder) maybe? */
 242 }
 243
 244 static void clear_settings(HWND dialog)
 245 {
 246     int count = SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETCOUNT, 0, 0);
 247     int i;
 248
 249     WINE_TRACE("count=%d\n", count);
 250
 251     for (i = 0; i < count; i++)
 252     {
 253         struct dll *dll = (struct dll *) SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETITEMDATA, 0, 0);
 254
 255         SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_DELETESTRING, 0, 0);
 256
 257         HeapFree(GetProcessHeap(), 0, dll->name);
 258         HeapFree(GetProcessHeap(), 0, dll);
 259     }
 260 }
 261
 262 /* load the list of available libraries from a given dir */
 263 static void load_library_list_from_dir( HWND dialog, const char *dir_path, int check_subdirs )
 264 {
 265     char *buffer = NULL, name[256];
 266     struct dirent *de;
 267     DIR *dir = opendir( dir_path );
 268
 269     if (!dir) return;
 270
 271     if (check_subdirs)
 272         buffer = HeapAlloc( GetProcessHeap(), 0, strlen(dir_path) + 2 * sizeof(name) + 10 );
 273
 274     while ((de = readdir( dir )))
 275     {
 276         size_t len = strlen(de->d_name);
 277         if (len > sizeof(name)) continue;
 278         if (len > 3 && !strcmp( de->d_name + len - 3, ".so"))
 279         {
 280             len -= 3;
 281             if (len > 4 && !strcmp( de->d_name + len - 4, ".dll.so")) len -= 4;
 282             memcpy( name, de->d_name, len );
 283             name[len] = 0;
 284             if (!show_dll_in_list( name )) continue;
 285             SendDlgItemMessageA( dialog, IDC_DLLCOMBO, CB_ADDSTRING, 0, (LPARAM)name );
 286         }
 287         else if (check_subdirs)
 288         {
 289             struct stat st;
 290             if (!show_dll_in_list( de->d_name )) continue;
 291             sprintf( buffer, "%s/%s/%s.dll.so", dir_path, de->d_name, de->d_name );
 292             if (!stat( buffer, &st ))
 293             {
 294                 SendDlgItemMessageA( dialog, IDC_DLLCOMBO, CB_ADDSTRING, 0, (LPARAM)de->d_name );
 295                 continue;
 296             }
 297             sprintf( buffer, "%s/%s/%s.so", dir_path, de->d_name, de->d_name );
 298             if (!stat( buffer, &st ))
 299             {
 300                 SendDlgItemMessageA( dialog, IDC_DLLCOMBO, CB_ADDSTRING, 0, (LPARAM)de->d_name );
 301                 continue;
 302             }
 303         }
 304     }
 305     closedir( dir );
 306     HeapFree( GetProcessHeap(), 0, buffer );
 307 }
 308
 309 /* load the list of available libraries */
 310 static void load_library_list( HWND dialog )
 311 {
 312     unsigned int i = 0;
 313     const char *path, *build_dir = wine_get_build_dir();
 314     char item1[256], item2[256];
 315     HCURSOR old_cursor = SetCursor( LoadCursor(0, IDC_WAIT) );
 316
 317     if (build_dir)
 318     {
 319         char *dir = HeapAlloc( GetProcessHeap(), 0, strlen(build_dir) + sizeof("/dlls") );
 320         strcpy( dir, build_dir );
 321         strcat( dir, "/dlls" );
 322         load_library_list_from_dir( dialog, dir, TRUE );
 323         HeapFree( GetProcessHeap(), 0, dir );
 324     }
 325
 326     while ((path = wine_dll_enum_load_path( i++ )))
 327         load_library_list_from_dir( dialog, path, FALSE );
 328
 329     /* get rid of duplicate entries */
 330
 331     SendDlgItemMessageA( dialog, IDC_DLLCOMBO, CB_GETLBTEXT, 0, (LPARAM)item1 );
 332     i = 1;
 333     while (SendDlgItemMessageA( dialog, IDC_DLLCOMBO, CB_GETLBTEXT, i, (LPARAM)item2 ) >= 0)
 334     {
 335         if (!strcmp( item1, item2 ))
 336         {
 337             SendDlgItemMessageA( dialog, IDC_DLLCOMBO, CB_DELETESTRING, i, 0 );
 338         }
 339         else
 340         {
 341             strcpy( item1, item2 );
 342             i++;
 343         }
 344     }
 345     SetCursor( old_cursor );
 346 }
 347
 348 static void load_library_settings(HWND dialog)
 349 {
 350     char **overrides = enumerate_values(config_key, keypath("DllOverrides"));
 351     char **p;
 352     int sel, count = 0;
 353
 354     sel = SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETCURSEL, 0, 0);
 355
 356     WINE_TRACE("sel=%d\n", sel);
 357
 358     clear_settings(dialog);
 359
 360     if (!overrides || *overrides == NULL)
 361     {
 362         set_controls_from_selection(dialog);
 363         disable(IDC_DLLS_EDITDLL);
 364         disable(IDC_DLLS_REMOVEDLL);
 365         HeapFree(GetProcessHeap(), 0, overrides);
 366         return;
 367     }
 368
 369     enable(IDC_DLLS_EDITDLL);
 370     enable(IDC_DLLS_REMOVEDLL);
 371
 372     for (p = overrides; *p != NULL; p++)
 373     {
 374         int index;
 375         char *str, *value;
 376         const char *label;
 377         struct dll *dll;
 378
 379         value = get_reg_key(config_key, keypath("DllOverrides"), *p, NULL);
 380
 381         label = mode_to_label(string_to_mode(value));
 382
 383         str = HeapAlloc(GetProcessHeap(), 0, strlen(*p) + 2 + strlen(label) + 2);
 384         strcpy(str, *p);
 385         strcat(str, " (");
 386         strcat(str, label);
 387         strcat(str, ")");
 388
 389         dll = HeapAlloc(GetProcessHeap(), 0, sizeof(struct dll));
 390         dll->name = *p;
 391         dll->mode = string_to_mode(value);
 392
 393         index = SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_ADDSTRING, (WPARAM) -1, (LPARAM) str);
 394         SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_SETITEMDATA, index, (LPARAM) dll);
 395
 396         HeapFree(GetProcessHeap(), 0, str);
 397
 398         count++;
 399     }
 400
 401     HeapFree(GetProcessHeap(), 0, overrides);
 402
 403     /* restore the previous selection, if possible  */
 404     if (sel >= count - 1) sel = count - 1;
 405     else if (sel == -1) sel = 0;
 406
 407     SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_SETCURSEL, sel, 0);
 408
 409     set_controls_from_selection(dialog);
 410 }
 411
 412 /* Called when the application is initialized (cannot reinit!)  */
 413 static void init_libsheet(HWND dialog)
 414 {
 415     /* clear the add dll controls  */
 416     SendDlgItemMessage(dialog, IDC_DLLCOMBO, WM_SETTEXT, 1, (LPARAM) "");
 417     load_library_list( dialog );
 418     disable(IDC_DLLS_ADDDLL);
 419 }
 420
 421 static void on_add_combo_change(HWND dialog)
 422 {
 423     char buffer[1024];
 424     int sel, len;
 425
 426     SendDlgItemMessage(dialog, IDC_DLLCOMBO, WM_GETTEXT, sizeof(buffer), (LPARAM) buffer);
 427     /* if lib was chosen from combobox, we receive an empty buffer, check manually */
 428     sel=SendDlgItemMessage(dialog, IDC_DLLCOMBO, CB_GETCURSEL, 0, 0);
 429     len=SendDlgItemMessage(dialog, IDC_DLLCOMBO, CB_GETLBTEXTLEN, sel, 0);
 430
 431     if (strlen(buffer)>0 || len>0)
 432         enable(IDC_DLLS_ADDDLL)
 433     else
 434         disable(IDC_DLLS_ADDDLL);
 435 }
 436
 437 static void set_dllmode(HWND dialog, DWORD id)
 438 {
 439     enum dllmode mode;
 440     struct dll *dll;
 441     int sel;
 442     const char *str;
 443
 444     mode = id_to_mode(id);
 445
 446     sel = SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETCURSEL, 0, 0);
 447     if (sel == -1) return;
 448
 449     dll = (struct dll *) SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETITEMDATA, sel, 0);
 450
 451     str = mode_to_string(mode);
 452     WINE_TRACE("Setting %s to %s\n", dll->name, str);
 453
 454     SendMessage(GetParent(dialog), PSM_CHANGED, 0, 0);
 455     set_reg_key(config_key, keypath("DllOverrides"), dll->name, str);
 456
 457     load_library_settings(dialog);  /* ... and refresh  */
 458 }
 459
 460 static void on_add_click(HWND dialog)
 461 {
 462     static const char dotDll[] = ".dll";
 463     char buffer[1024], *ptr;
 464
 465     ZeroMemory(buffer, sizeof(buffer));
 466
 467     SendDlgItemMessage(dialog, IDC_DLLCOMBO, WM_GETTEXT, sizeof(buffer), (LPARAM) buffer);
 468     if (lstrlenA(buffer) >= sizeof(dotDll))
 469     {
 470         ptr = buffer + lstrlenA(buffer) - sizeof(dotDll) + 1;
 471         if (!lstrcmpiA(ptr, dotDll))
 472         {
 473             WINE_TRACE("Stripping dll extension\n");
 474             *ptr = '\0';
 475         }
 476     }
 477
 478     /* check if dll is in the builtin-only list */
 479     if (!(ptr = strrchr( buffer, '\\' )))
 480     {
 481         ptr = buffer;
 482         if (*ptr == '*') ptr++;
 483     }
 484     else ptr++;
 485     if (is_builtin_only( ptr ))
 486     {
 487         MSGBOXPARAMSA params;
 488         params.cbSize = sizeof(params);
 489         params.hwndOwner = dialog;
 490         params.hInstance = GetModuleHandleA( NULL );
 491         params.lpszText = MAKEINTRESOURCEA( IDS_DLL_WARNING );
 492         params.lpszCaption = MAKEINTRESOURCEA( IDS_DLL_WARNING_CAPTION );
 493         params.dwStyle = MB_ICONWARNING | MB_YESNO;
 494         params.lpszIcon = NULL;
 495         params.dwContextHelpId = 0;
 496         params.lpfnMsgBoxCallback = NULL;
 497         params.dwLanguageId = 0;
 498         if (MessageBoxIndirectA( &params ) != IDYES) return;
 499     }
 500
 501     SendDlgItemMessage(dialog, IDC_DLLCOMBO, WM_SETTEXT, 0, (LPARAM) "");
 502     disable(IDC_DLLS_ADDDLL);
 503
 504     WINE_TRACE("Adding %s as native, builtin\n", buffer);
 505
 506     SendMessage(GetParent(dialog), PSM_CHANGED, 0, 0);
 507     set_reg_key(config_key, keypath("DllOverrides"), buffer, "native,builtin");
 508
 509     load_library_settings(dialog);
 510
 511     SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_SELECTSTRING, 0, (LPARAM) buffer);
 512
 513     set_controls_from_selection(dialog);
 514 }
 515
 516 static INT_PTR CALLBACK loadorder_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 517 {
 518     static WORD sel;
 519
 520     switch(uMsg)
 521     {
 522     case WM_INITDIALOG:
 523         CheckRadioButton(hwndDlg, IDC_RAD_BUILTIN, IDC_RAD_DISABLE, lParam);
 524         sel = lParam;
 525         return TRUE;
 526
 527     case WM_COMMAND:
 528         if(HIWORD(wParam) != BN_CLICKED) break;
 529         switch (LOWORD(wParam))
 530         {
 531         case IDC_RAD_BUILTIN:
 532         case IDC_RAD_NATIVE:
 533         case IDC_RAD_BUILTIN_NATIVE:
 534         case IDC_RAD_NATIVE_BUILTIN:
 535         case IDC_RAD_DISABLE:
 536             sel = LOWORD(wParam);
 537             return TRUE;
 538         case IDOK:
 539             EndDialog(hwndDlg, sel);
 540             return TRUE;
 541         case IDCANCEL:
 542             EndDialog(hwndDlg, wParam);
 543             return TRUE;
 544         }
 545     }
 546     return FALSE;
 547 }
 548
 549 static void on_edit_click(HWND hwnd)
 550 {
 551     INT_PTR ret;
 552     int index = SendDlgItemMessage(hwnd, IDC_DLLS_LIST, LB_GETCURSEL, 0, 0);
 553     struct dll *dll;
 554     DWORD id;
 555
 556     /* if no override is selected the edit button should be disabled... */
 557     assert(index != -1);
 558
 559     dll = (struct dll *) SendDlgItemMessage(hwnd, IDC_DLLS_LIST, LB_GETITEMDATA, index, 0);
 560     id = mode_to_id(dll->mode);
 561
 562     ret = DialogBoxParam(0, MAKEINTRESOURCE(IDD_LOADORDER), hwnd, loadorder_dlgproc, id);
 563
 564     if(ret != IDCANCEL)
 565         set_dllmode(hwnd, ret);
 566 }
 567
 568 static void on_remove_click(HWND dialog)
 569 {
 570     int sel = SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETCURSEL, 0, 0);
 571     struct dll *dll;
 572
 573     if (sel == LB_ERR) return;
 574
 575     dll = (struct dll *) SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETITEMDATA, sel, 0);
 576
 577     SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_DELETESTRING, sel, 0);
 578
 579     SendMessage(GetParent(dialog), PSM_CHANGED, 0, 0);
 580     set_reg_key(config_key, keypath("DllOverrides"), dll->name, NULL);
 581
 582     HeapFree(GetProcessHeap(), 0, dll->name);
 583     HeapFree(GetProcessHeap(), 0, dll);
 584
 585     if (SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_GETCOUNT, 0, 0) > 0)
 586         SendDlgItemMessage(dialog, IDC_DLLS_LIST, LB_SETCURSEL, max(sel - 1, 0), 0);
 587     else
 588     {
 589         disable(IDC_DLLS_EDITDLL);
 590         disable(IDC_DLLS_REMOVEDLL);
 591     }
 592
 593     set_controls_from_selection(dialog);
 594 }
 595
 596 INT_PTR CALLBACK
 597 LibrariesDlgProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 598 {
 599         switch (uMsg)
 600         {
 601         case WM_INITDIALOG:
 602                 init_libsheet(hDlg);
 603                 break;
 604         case WM_SHOWWINDOW:
 605                 set_window_title(hDlg);
 606                 break;
 607         case WM_NOTIFY:
 608                 switch (((LPNMHDR)lParam)->code) {
 609                 case PSN_SETACTIVE:
 610                     load_library_settings(hDlg);
 611                     break;
 612                 }
 613                 break;
 614         case WM_COMMAND:
 615                 switch(HIWORD(wParam)) {
 616
 617                     /* FIXME: when the user hits enter in the DLL combo box we should invoke the add
 618                      * add button, rather than the propsheet OK button. But I don't know how to do that!
 619                      */
 620
 621                 case CBN_EDITCHANGE:
 622                         if(LOWORD(wParam) == IDC_DLLCOMBO)
 623                         {
 624                             on_add_combo_change(hDlg);
 625                             break;
 626                         }
 627
 628                 case BN_CLICKED:
 629                         switch(LOWORD(wParam)) {
 630                         case IDC_DLLS_ADDDLL:
 631                             on_add_click(hDlg);
 632                             break;
 633                         case IDC_DLLS_EDITDLL:
 634                             on_edit_click(hDlg);
 635                             break;
 636                         case IDC_DLLS_REMOVEDLL:
 637                             on_remove_click(hDlg);
 638                             break;
 639                         }
 640                         break;
 641                 case LBN_SELCHANGE:
 642                         if(LOWORD(wParam) == IDC_DLLCOMBO)
 643                             on_add_combo_change(hDlg);
 644                         else
 645                             set_controls_from_selection(hDlg);
 646                         break;
 647                 }
 648                 break;
 649         }
 650
 651         return 0;
 652 }