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  1. // dialog_options.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // dialog template
  7. #define THIS_DIALOG DIALOG_OPTIONS
  8.  
  9.  
  10. // global variables used in this module only
  11. static void *tab_control;
  12. static wchar_t server_string[MAX_PATH];
  13. static COLORREF custom_colors[16];
  14. static CHOOSECOLOR cc;
  15. static unsigned long selectedcolor_clock;
  16. static unsigned long selectedcolor_history;
  17.  
  18.  
  19. // prototypes of local functions
  20. static void StartThread_ThisDialog (void *thread_parms);
  21. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  22. static void StartThread_DialogBoxLoad (void *thread_parms);
  23.  
  24.  
  25. void DialogBox_Options (void)
  26. {
  27.    // helper function to fire up the modeless dialog box
  28.  
  29.    _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one
  30.  
  31.    return; // return as soon as the thread is fired up
  32. }
  33.  
  34.  
  35. void DialogBox_Options_Validated (void)
  36. {
  37.    // callback function called by the main game thread when the dialog box is validated
  38.  
  39.    // remember this callback is no longer to be called
  40.    is_dialogbox_options_validated = false;
  41.  
  42.    return; // finished
  43. }
  44.  
  45.  
  46. static void StartThread_ThisDialog (void *thread_parms)
  47. {
  48.    // this function runs in a separate thread, for that's the only way (seemingly)
  49.    // to implement a non-modal message box using the Common Controls library.
  50.  
  51.    // display the dialog box
  52.    if (DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog) == 1)
  53.       is_dialogbox_options_validated = true;
  54.  
  55.    TabControl_Destroy (tab_control);
  56.  
  57.    return; // _endthread() implied
  58. }
  59.  
  60.  
  61. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  62. {
  63.    // message handler for the dialog box
  64.  
  65.    static wchar_t temp_string[MAX_PATH];
  66.    static wchar_t value_string[32];
  67.    static WIN32_FIND_DATA wfd;
  68.  
  69.    unsigned short wParam_hiword;
  70.    unsigned short wParam_loword;
  71.    wchar_t *port_string;
  72.    int language_index;
  73.    int wanted_engine;
  74.    int engine_count;
  75.    HANDLE hFind;
  76.    int is_checked;
  77.  
  78.    // filter out the commonly used message values
  79.    wParam_hiword = HIWORD (wParam);
  80.    wParam_loword = LOWORD (wParam);
  81.  
  82.    // have we just fired up this window ?
  83.    if (message == WM_INITDIALOG)
  84.    {
  85.       // center the window
  86.       CenterWindow (hWnd, hMainWnd);
  87.  
  88.       // set dialog icons (small one for title bar & big one for task manager)
  89.       SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  90.       SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  91.  
  92.       // set window title and control texts
  93.       SetWindowText (hWnd, LOCALIZE (L"Options_Title"));
  94.       SetWindowText (GetDlgItem (hWnd, BUTTON_OK), LOCALIZE (L"Button_OK"));
  95.       SetWindowText (GetDlgItem (hWnd, BUTTON_CANCEL), LOCALIZE (L"Button_Cancel"));
  96.  
  97.       // create the tab control and populate it
  98.       tab_control = TabControl_New (GetDlgItem (hWnd, TABBOX_OPTIONS), (WNDPROC) DialogProc_ThisDialog);
  99.       TabControl_AddPage (tab_control, LOCALIZE (L"Options_OfflineGameParameters"), DIALOG_OPTIONS_ENGINE);
  100.       TabControl_AddPage (tab_control, LOCALIZE (L"Options_OnlineGameParameters"), DIALOG_OPTIONS_INTERNET);
  101.       TabControl_AddPage (tab_control, LOCALIZE (L"Options_DisplayParameters"), DIALOG_OPTIONS_DISPLAY);
  102.       TabControl_AddPage (tab_control, LOCALIZE (L"Options_GameplayParameters"), DIALOG_OPTIONS_GAMEPLAY);
  103.  
  104.       // setup page 1 (computer play)
  105.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINEPROGRAMNAME), LOCALIZE (L"Options_EngineProgramName"));
  106.       engine_count = 0;
  107.       wanted_engine = 0;
  108.       swprintf_s (temp_string, sizeof (temp_string), L"%s\\engines\\*.*", app_path); // build the search pattern string out of the path
  109.       hFind = FindFirstFile (temp_string, &wfd); // initiate search from that point
  110.       if (hFind != INVALID_HANDLE_VALUE)
  111.       {
  112.          // start examining search results...
  113.          do
  114.          {
  115.             if (!(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) || (wfd.cFileName[0] == L'.'))
  116.                continue; // skip everything that is NOT a directory, and every directories that begin with a dot
  117.             ComboBox_AddString (TabControl_GetItem (tab_control, COMBOBOX_ENGINE), wfd.cFileName); // add it to the combo box
  118.             if (wcscmp (wfd.cFileName, options.engine.program) == 0)
  119.                wanted_engine = engine_count;
  120.             engine_count++; // we've identified one engine more
  121.          } while (FindNextFile (hFind, &wfd)); // ...and don't stop as long as there are files to go
  122.          FindClose (hFind); // close the search handle
  123.       }
  124.       ComboBox_SetCurSel (TabControl_GetItem (tab_control, COMBOBOX_ENGINE), wanted_engine); // select the right entry
  125.  
  126.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINESEARCHDEPTH), LOCALIZE (L"Options_EnginePredictionLevel"));
  127.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_EASY), LOCALIZE (L"Options_Easy"));
  128.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_HARD), LOCALIZE (L"Options_Hard"));
  129.       swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d", options.engine.depth);
  130.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINESEARCHDEPTHVALUE), value_string);
  131.  
  132.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINEBLUNDERS), LOCALIZE (L"Options_AllowEngineBlunders"));
  133.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_1PCCHANCE), LOCALIZE (L"Options_1PercentChance"));
  134.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_100PCCHANCE), LOCALIZE (L"Options_100PercentChance"));
  135.       if (options.engine.blunder_chances > 0)
  136.          swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d %%", options.engine.blunder_chances);
  137.       else
  138.          value_string[0] = 0;
  139.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINEBLUNDERSVALUE), value_string);
  140.  
  141.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINERESIGNS), LOCALIZE (L"Options_AllowEngineResigns"));
  142.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_YIELDING), LOCALIZE (L"Options_Yielding"));
  143.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OBSTINATE), LOCALIZE (L"Options_Obstinate"));
  144.       if (options.engine.obstinacy_level != -1)
  145.          swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d", 1 + options.engine.obstinacy_level);
  146.       else
  147.          value_string[0] = 0;
  148.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINERESIGNVALUE), value_string);
  149.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_EXPERTSETTINGS), LOCALIZE (L"Options_ExpertSettingsHelpText"));
  150.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_IAMANEXPERT), LOCALIZE (L"Options_IAmAnExpert"));
  151.       SetWindowText (TabControl_GetItem (tab_control, BUTTON_EXPERTSETTINGS), LOCALIZE (L"Options_ExpertSettings"));
  152.  
  153.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINEBLUNDERS), (options.engine.blunder_chances > 0 ? BST_CHECKED : BST_UNCHECKED));
  154.       EnableWindow (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), (options.engine.blunder_chances > 0));
  155.       EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_1PCCHANCE), (options.engine.blunder_chances > 0));
  156.       EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_100PCCHANCE), (options.engine.blunder_chances > 0));
  157.       EnableWindow (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), (options.engine.blunder_chances > 0));
  158.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINERESIGNS), (options.engine.obstinacy_level >= 0 ? BST_CHECKED : BST_UNCHECKED));
  159.       EnableWindow (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), (options.engine.obstinacy_level >= 0));
  160.       EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_YIELDING), (options.engine.obstinacy_level >= 0));
  161.       EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_OBSTINATE), (options.engine.obstinacy_level >= 0));
  162.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_IAMANEXPERT), (options.engine.is_expert_mode ? BST_CHECKED : BST_UNCHECKED));
  163.       EnableWindow (TabControl_GetItem (tab_control, BUTTON_EXPERTSETTINGS), options.engine.is_expert_mode);
  164.       SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_DIFFICULTYLEVEL), TBM_SETRANGE, true, MAKELONG (1, options.engine.max_depth * (options.engine.is_expert_mode ? 3 : 1)));
  165.       SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_DIFFICULTYLEVEL), TBM_SETPOS, true, options.engine.depth);
  166.       SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), TBM_SETRANGE, true, MAKELONG (1, 100));
  167.       SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), TBM_SETPOS, true, (options.engine.blunder_chances > 0 ? options.engine.blunder_chances : 1));
  168.       SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), TBM_SETRANGE, true, MAKELONG (0, 9));
  169.       SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), TBM_SETPOS, true, (options.engine.obstinacy_level >= 0 ? options.engine.obstinacy_level : 9));
  170.  
  171.       // setup page 2 (Internet play)
  172.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_SERVERADDRESS), LOCALIZE (L"Options_ServerAddress"));
  173.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_SERVERLOGIN), LOCALIZE (L"Options_ServerLogin"));
  174.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_SERVERPASSWORD), LOCALIZE (L"Options_ServerPassword"));
  175.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWSERVERMESSAGES), LOCALIZE (L"Options_ShowServerMessages"));
  176.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWPUBLICCHAT), LOCALIZE (L"Options_ShowPublicChat"));
  177.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_SERVERURL), LOCALIZE (L"Options_CreateAccount"));
  178.       ConvertStaticToHyperlink (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_SERVERURL));
  179.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_SERVERWARNING), LOCALIZE (L"Options_ServerWarning"));
  180.  
  181.       swprintf_s (server_string, WCHAR_SIZEOF (server_string), L"%s:%d", options.network.server_address, options.network.server_port);
  182.       SetWindowText (TabControl_GetItem (tab_control, EDITBOX_SERVERADDRESS), server_string);
  183.       EnableWindow (TabControl_GetItem (tab_control, EDITBOX_SERVERADDRESS), false); // FIXME: as long as we don't support ICC, don't allow users to change server address
  184.       SetWindowText (TabControl_GetItem (tab_control, EDITBOX_LOGIN), options.network.login);
  185.       SetWindowText (TabControl_GetItem (tab_control, EDITBOX_PASSWORD), options.network.password);
  186.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWPUBLICCHAT), (options.network.want_publicchat ? BST_CHECKED : BST_UNCHECKED));
  187.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWSERVERMESSAGES), (options.network.want_servermessages ? BST_CHECKED : BST_UNCHECKED));
  188.  
  189.       // setup page 3 (display)
  190.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_LANGUAGE), LOCALIZE (L"Options_Language"));
  191.       for (language_index = 0; language_index < language_count; language_index++)
  192.          ComboBox_AddString (TabControl_GetItem (tab_control, COMBOBOX_LANGUAGE), languages[language_index].name); // add it to the combo box
  193.       ComboBox_SetCurSel (TabControl_GetItem (tab_control, COMBOBOX_LANGUAGE), language_id); // select the right entry
  194.  
  195.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_FULLSCREEN), LOCALIZE (L"Options_Fullscreen"));
  196.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_TEXTUREFILTERING), LOCALIZE (L"Options_TextureFiltering"));
  197.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_HIGHQUALITYFILTERING), LOCALIZE (L"Options_HiQualityFiltering"));
  198.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SPECULARLIGHTING), LOCALIZE (L"Options_SpecularLighting"));
  199.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWREFLECTIONS), LOCALIZE (L"Options_ShowReflections"));
  200.  
  201.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_FULLSCREEN), (options.want_fullscreen ? BST_CHECKED : BST_UNCHECKED));
  202.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_TEXTUREFILTERING), (options.want_filtering ? BST_CHECKED : BST_UNCHECKED));
  203.       EnableWindow (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_HIGHQUALITYFILTERING), options.want_filtering);
  204.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_HIGHQUALITYFILTERING), (options.want_hiquality ? BST_CHECKED : BST_UNCHECKED));
  205.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SPECULARLIGHTING), (options.want_specularlighting ? BST_CHECKED : BST_UNCHECKED));
  206.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWREFLECTIONS), (options.want_reflections ? BST_CHECKED : BST_UNCHECKED));
  207.  
  208.       // setup page 4 (gameplay)
  209.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWLASTMOVE), LOCALIZE (L"Options_ShowLastMove"));
  210.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWPOSSIBLEMOVES), LOCALIZE (L"Options_ShowPossibleMoves"));
  211.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTHREATS), LOCALIZE (L"Options_ShowThreats"));
  212.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWANIMATIONS), LOCALIZE (L"Options_ShowAnimations"));
  213.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTAKENPARTS), LOCALIZE (L"Options_ShowTakenParts"));
  214.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTURN), LOCALIZE (L"Options_ShowTurn"));
  215.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWCLOCK), LOCALIZE (L"Options_ShowClock"));
  216.       SetWindowText (TabControl_GetItem (tab_control, BUTTON_COLORCLOCK), LOCALIZE (L"Button_Color"));
  217.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWHISTORY), LOCALIZE (L"Options_ShowHistory"));
  218.       SetWindowText (TabControl_GetItem (tab_control, BUTTON_COLORHISTORY), LOCALIZE (L"Button_Color"));
  219.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_USESEPIAFORHISTORY), LOCALIZE (L"Options_UseSepiaForHistory"));
  220.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ROTATEBOARD), LOCALIZE (L"Options_RotateBoard"));
  221.       SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_ROTATESPEED), LOCALIZE (L"Options_RotateSpeed"));
  222.       SetWindowText (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_PLAYSOUNDS), LOCALIZE (L"Options_PlaySounds"));
  223.  
  224.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWLASTMOVE), (options.want_lastmove ? BST_CHECKED : BST_UNCHECKED));
  225.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWPOSSIBLEMOVES), (options.want_possiblemoves ? BST_CHECKED : BST_UNCHECKED));
  226.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTHREATS), (options.want_threats ? BST_CHECKED : BST_UNCHECKED));
  227.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWANIMATIONS), (options.want_animations ? BST_CHECKED : BST_UNCHECKED));
  228.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTAKENPARTS), (options.want_takenparts ? BST_CHECKED : BST_UNCHECKED));
  229.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTURN), (options.want_turn ? BST_CHECKED : BST_UNCHECKED));
  230.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWCLOCK), (options.want_clock ? BST_CHECKED : BST_UNCHECKED));
  231.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWHISTORY), (options.want_history ? BST_CHECKED : BST_UNCHECKED));
  232.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_USESEPIAFORHISTORY), (options.want_sepiafilter ? BST_CHECKED : BST_UNCHECKED));
  233.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ROTATEBOARD), (options.want_autorotateon1vs1 ? BST_CHECKED : BST_UNCHECKED));
  234.       Button_SetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_PLAYSOUNDS), (options.want_sounds ? BST_CHECKED : BST_UNCHECKED));
  235.       SendMessage (TabControl_GetItem (tab_control, SLIDER_OPTIONS_ROTATESPEED), TBM_SETRANGE, true, MAKELONG (5, 80));
  236.       SendMessage (TabControl_GetItem (tab_control, SLIDER_OPTIONS_ROTATESPEED), TBM_SETPOS, true, options.rotate_speed);
  237.  
  238.       // set the selected color to the current game clock color (convert from RGBA to GDI BGR)
  239.       selectedcolor_clock = ((options.clock_color & 0x0000ff00) << 8)
  240.                             | ((options.clock_color & 0x00ff0000) >> 8)
  241.                             | ((options.clock_color & 0xff000000) >> 24);
  242.  
  243.       // set the selected color to the current game history color (convert from RGBA to GDI BGR)
  244.       selectedcolor_history = ((options.history_color & 0x0000ff00) << 8)
  245.                               | ((options.history_color & 0x00ff0000) >> 8)
  246.                               | ((options.history_color & 0xff000000) >> 24);
  247.  
  248.       // set focus on the first settable item
  249.       SendMessage (TabControl_GetItem (tab_control, EDITBOX_LOGIN), EM_SETSEL, 0, -1); // select all text
  250.       SetFocus (TabControl_GetItem (tab_control, EDITBOX_LOGIN));
  251.    }
  252.  
  253.    // else did we click the close button on the title bar ?
  254.    else if (message == WM_CLOSE)
  255.       EndDialog (hWnd, 0); // close the dialog box
  256.  
  257.    // else did we take action on one of the controls ?
  258.    else if (message == WM_COMMAND)
  259.    {
  260.       // did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)
  261.       if (wParam_loword == IDCANCEL)
  262.          EndDialog (hWnd, 0); // close the dialog box
  263.  
  264.       // else was it the OK button ?
  265.       else if (wParam_loword == BUTTON_OK)
  266.       {
  267.          // grab the new parameters and close the dialog box
  268.  
  269.          // set the server address, login and password
  270.          GetWindowText (TabControl_GetItem (tab_control, EDITBOX_SERVERADDRESS), server_string, WCHAR_SIZEOF (server_string));
  271.          options.network.server_address[0] = 0; // default values
  272.          options.network.server_port = 0;
  273.          port_string = wcschr (server_string, L':'); // find the address:port separator
  274.          if (port_string != NULL)
  275.          {
  276.             port_string[0] = 0; // split the string
  277.             options.network.server_port = _wtoi (&port_string[1]); // and read the port
  278.          }
  279.          wcscpy_s (options.network.server_address, WCHAR_SIZEOF (options.network.server_address), server_string); // now read the address
  280.          GetWindowText (TabControl_GetItem (tab_control, EDITBOX_LOGIN), options.network.login, WCHAR_SIZEOF (options.network.login));
  281.          GetWindowText (TabControl_GetItem (tab_control, EDITBOX_PASSWORD), options.network.password, WCHAR_SIZEOF (options.network.password));
  282.  
  283.          // display
  284.          language_id = ComboBox_GetCurSel (TabControl_GetItem (tab_control, COMBOBOX_LANGUAGE));
  285.          CreateOrUpdateApplicationMenu (); // on language change, update the application menu
  286.          options.want_fullscreen = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_FULLSCREEN)) != 0);
  287.          options.want_filtering = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_TEXTUREFILTERING)) != 0);
  288.          options.want_specularlighting = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SPECULARLIGHTING)) != 0);
  289.          options.want_reflections = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWREFLECTIONS)) != 0);
  290.  
  291.          // gameplay
  292.          options.network.want_servermessages = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWSERVERMESSAGES)) != 0);
  293.          options.network.want_publicchat = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWPUBLICCHAT)) != 0);
  294.          options.want_lastmove = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWLASTMOVE)) != 0);
  295.          options.want_possiblemoves = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWPOSSIBLEMOVES)) != 0);
  296.          options.want_threats = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTHREATS)) != 0);
  297.          options.want_animations = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWANIMATIONS)) != 0);
  298.          options.want_takenparts = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTAKENPARTS)) != 0);
  299.          options.want_turn = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWTURN)) != 0);
  300.          options.want_clock = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWCLOCK)) != 0);
  301.          options.clock_color = 0 | ((selectedcolor_clock & 0x000000ff) << 24)
  302.                                  | ((selectedcolor_clock & 0x0000ff00) << 8)
  303.                                  | ((selectedcolor_clock & 0x00ff0000) >> 8); // convert from GDI BGR to RGBA
  304.          options.want_history = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWHISTORY)) != 0);
  305.          options.history_color = 0 | ((selectedcolor_history & 0x000000ff) << 24)
  306.                                    | ((selectedcolor_history & 0x0000ff00) << 8)
  307.                                    | ((selectedcolor_history & 0x00ff0000) >> 8); // convert from GDI BGR to RGBA
  308.          options.want_sepiafilter = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_USESEPIAFORHISTORY)) != 0);
  309.          options.want_autorotateon1vs1 = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ROTATEBOARD)) != 0);
  310.          options.want_sounds = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_PLAYSOUNDS)) != 0);
  311.          options.rotate_speed = SendMessage (TabControl_GetItem (tab_control, SLIDER_OPTIONS_ROTATESPEED), TBM_GETPOS, 0, 0);
  312.  
  313.          // engine options
  314.          ComboBox_GetLBText (TabControl_GetItem (tab_control, COMBOBOX_ENGINE), ComboBox_GetCurSel (TabControl_GetItem (tab_control, COMBOBOX_ENGINE)), temp_string);
  315.          if (wcscmp (temp_string, options.engine.program) != 0)
  316.          {
  317.             wcscpy_s (options.engine.program, temp_string);
  318.             MessageBox (hWnd, LOCALIZE (L"Options_ChessEngineChangeWillAffectNextGame"), LOCALIZE (L"ImportantMessage"), MB_ICONINFORMATION | MB_OK);
  319.          }
  320.  
  321.          options.engine.depth = SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_DIFFICULTYLEVEL), TBM_GETPOS, 0, 0);
  322.          if (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINEBLUNDERS)))
  323.             options.engine.blunder_chances = SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), TBM_GETPOS, 0, 0);
  324.          else
  325.             options.engine.blunder_chances = 0;
  326.          if (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINERESIGNS)))
  327.             options.engine.obstinacy_level = SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), TBM_GETPOS, 0, 0);
  328.          else
  329.             options.engine.obstinacy_level = -1;
  330.  
  331.          EndDialog (hWnd, 0); // close the dialog box
  332.       }
  333.  
  334.       // else was it the cancel button ?
  335.       else if (wParam_loword == BUTTON_CANCEL)
  336.          EndDialog (hWnd, 0); // close the dialog box
  337.  
  338.       // else was it the expert settings button ?
  339.       else if (wParam_loword == BUTTON_EXPERTSETTINGS)
  340.       {
  341.          ComboBox_GetLBText (TabControl_GetItem (tab_control, COMBOBOX_ENGINE), ComboBox_GetCurSel (TabControl_GetItem (tab_control, COMBOBOX_ENGINE)), value_string);
  342.          swprintf_s (temp_string, WCHAR_SIZEOF (temp_string), L"%s\\engines\\%s\\init.txt", app_path, value_string);
  343.          ShellExecute (NULL, L"open", temp_string, NULL, NULL, SW_SHOWNORMAL); // open the engine initialization text file
  344.       }
  345.  
  346.       // else is it the rotate board check box ? if so, enable or disable the speed slider
  347.       else if (wParam_loword == CHECKBOX_OPTIONS_ROTATEBOARD)
  348.       {
  349.          EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_OPTIONS_ROTATESPEED), Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ROTATEBOARD)));
  350.          EnableWindow (TabControl_GetItem (tab_control, SLIDER_OPTIONS_ROTATESPEED), Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ROTATEBOARD)));
  351.       }
  352.  
  353.       // else is it the I am an expert check box ? if so, enable or disable the expert settings button and adjust the engine level slider
  354.       else if (wParam_loword == CHECKBOX_OPTIONS_IAMANEXPERT)
  355.       {
  356.          options.engine.is_expert_mode = (Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_IAMANEXPERT)) == BST_CHECKED);
  357.          EnableWindow (TabControl_GetItem (tab_control, BUTTON_EXPERTSETTINGS), options.engine.is_expert_mode);
  358.          SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_DIFFICULTYLEVEL), TBM_SETRANGE, true, MAKELONG (1, options.engine.max_depth * (options.engine.is_expert_mode ? 3 : 1)));
  359.       }
  360.  
  361.       // else is it the allow engine blunders check box ? if so, enable or disable the blunder chance slider
  362.       else if (wParam_loword == CHECKBOX_OPTIONS_ALLOWENGINEBLUNDERS)
  363.       {
  364.          is_checked = Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINEBLUNDERS));
  365.          EnableWindow (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), is_checked);
  366.          EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_1PCCHANCE), is_checked);
  367.          EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_100PCCHANCE), is_checked);
  368.          if (is_checked)
  369.             swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d %%", SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), TBM_GETPOS, 0, 0));
  370.          else
  371.             value_string[0] = 0;
  372.          SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINEBLUNDERSVALUE), value_string);
  373.       }
  374.  
  375.       // else is it the allow engine resigns check box ? if so, enable or disable the blunder chance slider
  376.       else if (wParam_loword == CHECKBOX_OPTIONS_ALLOWENGINERESIGNS)
  377.       {
  378.          is_checked = Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_ALLOWENGINERESIGNS));
  379.          EnableWindow (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), is_checked);
  380.          EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_YIELDING), is_checked);
  381.          EnableWindow (TabControl_GetItem (tab_control, STATICTEXT_OBSTINATE), is_checked);
  382.          if (is_checked)
  383.             swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d", 1 + SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), TBM_GETPOS, 0, 0));
  384.          else
  385.             value_string[0] = 0;
  386.          SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINERESIGNVALUE), value_string);
  387.       }
  388.  
  389.       // else is it the enable filtering check box ? if so, enable or disable the high quality checkbox
  390.       else if (wParam_loword == CHECKBOX_OPTIONS_TEXTUREFILTERING)
  391.          EnableWindow (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_HIGHQUALITYFILTERING), Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_TEXTUREFILTERING)));
  392.  
  393.       // else is it the show game clock check box ? if so, enable or disable the game clock color button
  394.       else if (wParam_loword == CHECKBOX_OPTIONS_SHOWCLOCK)
  395.          EnableWindow (TabControl_GetItem (tab_control, BUTTON_COLORCLOCK), Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWCLOCK)));
  396.  
  397.       // else is it the game clock color button ?
  398.       else if (wParam_loword == BUTTON_COLORCLOCK)
  399.       {
  400.          // prepare a color pick dialog box
  401.          memset (&cc, 0, sizeof (cc));
  402.          cc.lStructSize = sizeof (cc);
  403.          cc.hwndOwner = hWnd;
  404.          cc.lpCustColors = (unsigned long *) custom_colors;
  405.          cc.rgbResult = selectedcolor_clock;
  406.          cc.Flags = CC_FULLOPEN | CC_RGBINIT;
  407.  
  408.          // fire it up
  409.          if (ChooseColor (&cc))
  410.             selectedcolor_clock = cc.rgbResult; // save away returned color
  411.       }
  412.  
  413.       // else is it the show game history check box ? if so, enable or disable the game history color button
  414.       else if (wParam_loword == CHECKBOX_OPTIONS_SHOWHISTORY)
  415.          EnableWindow (TabControl_GetItem (tab_control, BUTTON_COLORHISTORY), Button_GetCheck (TabControl_GetItem (tab_control, CHECKBOX_OPTIONS_SHOWHISTORY)));
  416.  
  417.       // else is it the game history color button ?
  418.       else if (wParam_loword == BUTTON_COLORHISTORY)
  419.       {
  420.          // prepare a color pick dialog box
  421.          memset (&cc, 0, sizeof (cc));
  422.          cc.lStructSize = sizeof (cc);
  423.          cc.hwndOwner = hWnd;
  424.          cc.lpCustColors = (unsigned long *) custom_colors;
  425.          cc.rgbResult = selectedcolor_history;
  426.          cc.Flags = CC_FULLOPEN | CC_RGBINIT;
  427.  
  428.          // fire it up
  429.          if (ChooseColor (&cc))
  430.             selectedcolor_history = cc.rgbResult; // save away returned color
  431.       }
  432.  
  433.       // else is it the create/manage account hyperlink ?
  434.       else if (wParam_loword == STATICTEXT_OPTIONS_SERVERURL)
  435.       {
  436.          swprintf_s (temp_string, WCHAR_SIZEOF (temp_string), ACCOUNTCREATION_URL, languages[language_id].name); // build account creation url
  437.          ShellExecute (NULL, L"open", temp_string, NULL, NULL, SW_MAXIMIZE); // open the accounts page in the default browser, maximized
  438.       }
  439.    }
  440.  
  441.    // else is it a notification for a slider moving ?
  442.    else if (message == WM_HSCROLL)
  443.    {
  444.       // is it the engine prediction level slider ? if so, update the slider value text
  445.       if ((HWND) lParam == TabControl_GetItem (tab_control, SLIDER_ENGINE_DIFFICULTYLEVEL))
  446.       {
  447.          swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d", SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_DIFFICULTYLEVEL), TBM_GETPOS, 0, 0));
  448.          SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINESEARCHDEPTHVALUE), value_string);
  449.       }
  450.  
  451.       // else is it the engine blunders slider ? if so, update the slider value text
  452.       else if ((HWND) lParam == TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE))
  453.       {
  454.          swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d %%", SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_BLUNDERCHANCE), TBM_GETPOS, 0, 0));
  455.          SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINEBLUNDERSVALUE), value_string);
  456.       }
  457.  
  458.       // else is it the engine obstinacy slider ? if so, update the slider value text
  459.       else if ((HWND) lParam == TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY))
  460.       {
  461.          swprintf_s (value_string, WCHAR_SIZEOF (value_string), L"%d", 1 + SendMessage (TabControl_GetItem (tab_control, SLIDER_ENGINE_OBSTINACY), TBM_GETPOS, 0, 0));
  462.          SetWindowText (TabControl_GetItem (tab_control, STATICTEXT_ENGINERESIGNVALUE), value_string);
  463.       }
  464.    }
  465.  
  466.    // else is it a notification for the tab control ?
  467.    else if ((message == WM_NOTIFY) && (((NMHDR *) lParam)->hwndFrom == GetDlgItem (hWnd, TABBOX_OPTIONS)))
  468.       TabControl_Notify ((NMHDR *) lParam);
  469.  
  470.    // call the default dialog message processing function to keep things going
  471.    return (false);
  472. }
  473.