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