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  1. // dialog_about.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // dialog template
  7. #define THIS_DIALOG DIALOG_ABOUT
  8.  
  9.  
  10. // global variables used in this module only
  11. static bool is_authordisplayed = false;
  12. static HFONT hFontBanner;
  13.  
  14.  
  15. // prototypes of local functions
  16. static void StartThread_ThisDialog (void *thread_parms);
  17. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  18.  
  19.  
  20. void DialogBox_About (void)
  21. {
  22.    // helper function to fire up the modeless dialog box
  23.  
  24.    is_dialogbox_displayed = true;
  25.    _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one
  26.  
  27.    return; // return as soon as the thread is fired up
  28. }
  29.  
  30.  
  31. void DialogBox_About_Validated (void)
  32. {
  33.    // callback function called by the main game thread when the dialog box is validated
  34.  
  35.    // remember this callback is no longer to be called
  36.    is_dialogbox_about_validated = false;
  37.  
  38.    return; // finished
  39. }
  40.  
  41.  
  42. static void StartThread_ThisDialog (void *thread_parms)
  43. {
  44.    // this function runs in a separate thread, for that's the only way (seemingly)
  45.    // to implement a non-modal message box using the Common Controls library.
  46.  
  47.    // create the banner font
  48.    hFontBanner = CreateFont (42, 0, 0, 0, FW_DONTCARE, true, false, false, ANSI_CHARSET, OUT_DEFAULT_PRECIS,
  49.                              CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, L"Papyrus");
  50.  
  51.    // display the dialog box
  52.    if (DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog) == 1)
  53.       is_dialogbox_about_validated = true;
  54.    is_dialogbox_displayed = false;
  55.  
  56.    // destroy the font object we used
  57.    DeleteObject (hFontBanner);
  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_buffer[256];
  69.  
  70.    unsigned short wParam_hiword;
  71.    unsigned short wParam_loword;
  72.  
  73.    // filter out the commonly used message values
  74.    wParam_hiword = HIWORD (wParam);
  75.    wParam_loword = LOWORD (wParam);
  76.  
  77.    // have we just fired up this window ?
  78.    if (message == WM_INITDIALOG)
  79.    {
  80.       // center the window
  81.       CenterWindow (hWnd, hMainWnd);
  82.  
  83.       // set dialog icons (small one for title bar & big one for task manager)
  84.       SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  85.       SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  86.  
  87.       // set window title and control texts
  88.       SetWindowText (hWnd, LOCALIZE (L"AboutBox_Title"));
  89.  
  90.       // set the banner area font
  91.       SendMessage (GetDlgItem (hWnd, STATICTEXT_BANNER), WM_SETFONT, (WPARAM) hFontBanner, false);
  92.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_BANNER), PROGRAM_NAME);
  93.  
  94.       swprintf_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), L"version %c%c%c%c%s%c%c " PROGRAM_COPYRIGHT L" " AUTHOR_NAME L" - ",
  95.                   __DATE__[7], __DATE__[8], __DATE__[9], __DATE__[10],
  96.                   (strncmp (__DATE__, "Jan", 3) == 0 ? L"01" :
  97.                    (strncmp (__DATE__, "Feb", 3) == 0 ? L"02" :
  98.                     (strncmp (__DATE__, "Mar", 3) == 0 ? L"03" :
  99.                      (strncmp (__DATE__, "Apr", 3) == 0 ? L"04" :
  100.                       (strncmp (__DATE__, "May", 3) == 0 ? L"05" :
  101.                        (strncmp (__DATE__, "Jun", 3) == 0 ? L"06" :
  102.                         (strncmp (__DATE__, "Jul", 3) == 0 ? L"07" :
  103.                          (strncmp (__DATE__, "Aug", 3) == 0 ? L"08" :
  104.                           (strncmp (__DATE__, "Sep", 3) == 0 ? L"09" :
  105.                            (strncmp (__DATE__, "Oct", 3) == 0 ? L"10" :
  106.                             (strncmp (__DATE__, "Nov", 3) == 0 ? L"11" :
  107.                              (strncmp (__DATE__, "Dec", 3) == 0 ? L"12" : L"??")))))))))))),
  108.                   (__DATE__[4] == ' ' ? '0' : __DATE__[4]), __DATE__[5]);
  109.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_PROGRAMVERSION), temp_buffer);
  110.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_AUTHOREMAIL), AUTHOR_EMAIL);
  111.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_ABOUTBOX_1STPARAGRAPH), LOCALIZE (L"AboutBox_1stParagraph"));
  112.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_ABOUTBOX_2NDPARAGRAPH), LOCALIZE (L"AboutBox_2ndParagraph"));
  113.       SetWindowText (GetDlgItem (hWnd, BUTTON_WEBSITE), LOCALIZE (L"AboutBox_VisitWebsite"));
  114.  
  115.       // build the "registered to:" message and display it
  116.       if (is_registered)
  117.          swprintf_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), LOCALIZE (L"Registration_RegisteredTo"), options.registration.user_email);
  118.       else
  119.          wcscpy_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), LOCALIZE (L"Registration_Unregistered"));
  120.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_REGISTEREDTO), temp_buffer);
  121.  
  122.       // convert the bitmaps to clickable things
  123.       ConvertStaticToHyperlink (GetDlgItem (hWnd, BITMAP_ABOUT));
  124.       ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_AUTHOREMAIL));
  125.    }
  126.  
  127.    // else did we click the close button on the title bar ?
  128.    else if (message == WM_CLOSE)
  129.       EndDialog (hWnd, 0); // close the dialog box
  130.  
  131.    // else did we take action on one of the controls ?
  132.    else if (message == WM_COMMAND)
  133.    {
  134.       // was it the website button ?
  135.       if (wParam_loword == BUTTON_WEBSITE)
  136.       {
  137.          ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the website in the default browser, maximized
  138.          EndDialog (hWnd, 0); // close the dialog box
  139.       }
  140.  
  141.       // else was it the author's email ?
  142.       else if (wParam_loword == STATICTEXT_AUTHOREMAIL)
  143.          ShellExecute (NULL, L"open", L"mailto:" AUTHOR_EMAIL, NULL, NULL, SW_MAXIMIZE); // fire up the mail client
  144.  
  145.       // else was it the picture ? change the picture and display our face instead :p
  146.       else if (wParam_loword == BITMAP_ABOUT)
  147.       {
  148.          is_authordisplayed ^= true; // alternate author display with about display picture
  149.          SendMessage (GetDlgItem (hWnd, BITMAP_ABOUT), STM_SETIMAGE, IMAGE_BITMAP, (LPARAM) LoadBitmap (hAppInstance, MAKEINTRESOURCE (is_authordisplayed ? BITMAP_AUTHOR : BITMAP_ABOUT)));
  150.       }
  151.  
  152.       // else did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)
  153.       else if (wParam_loword == IDCANCEL)
  154.          EndDialog (hWnd, 0); // close the dialog box
  155.    }
  156.  
  157.    // call the default dialog message processing function to keep things going
  158.    return (false);
  159. }
  160.