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