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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 HFONT hFontBanner;
  12.  
  13.  
  14. // prototypes of local functions
  15. static void StartThread_ThisDialog (void *thread_parms);
  16. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  17.  
  18.  
  19. void DialogBox_About (void)
  20. {
  21.    // helper function to fire up the modeless dialog box
  22.  
  23.    is_dialogbox_displayed = true;
  24.    _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one
  25.  
  26.    return; // return as soon as the thread is fired up
  27. }
  28.  
  29.  
  30. void DialogBox_About_Validated (void)
  31. {
  32.    // callback function called by the main game thread when the dialog box is validated
  33.  
  34.    // remember this callback is no longer to be called
  35.    is_dialogbox_about_validated = false;
  36.  
  37.    return; // finished
  38. }
  39.  
  40.  
  41. static void StartThread_ThisDialog (void *thread_parms)
  42. {
  43.    // this function runs in a separate thread, for that's the only way (seemingly)
  44.    // to implement a non-modal message box using the Common Controls library.
  45.  
  46.    // create the banner font
  47.    hFontBanner = CreateFont (42, 0, 0, 0, FW_DONTCARE, true, false, false, ANSI_CHARSET, OUT_DEFAULT_PRECIS,
  48.                              CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, L"Papyrus");
  49.  
  50.    // display the dialog box
  51.    if (DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog) == 1)
  52.       is_dialogbox_about_validated = true;
  53.    is_dialogbox_displayed = false;
  54.  
  55.    // destroy the font object we used
  56.    DeleteObject (hFontBanner);
  57.  
  58.    the_board.reevaluate = true; // refresh the GUI buttons if needed
  59.    return; // _endthread() implied
  60. }
  61.  
  62.  
  63. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  64. {
  65.    // message handler for the dialog box
  66.  
  67.    static wchar_t temp_buffer[256];
  68.    static wchar_t wide_version[32];
  69.    static char version[32];
  70.  
  71.    unsigned short wParam_hiword;
  72.    unsigned short wParam_loword;
  73.  
  74.    // filter out the commonly used message values
  75.    wParam_hiword = HIWORD (wParam);
  76.    wParam_loword = LOWORD (wParam);
  77.  
  78.    // have we just fired up this window ?
  79.    if (message == WM_INITDIALOG)
  80.    {
  81.       // center the window
  82.       CenterWindow (hWnd, hMainWnd);
  83.  
  84.       // set dialog icons (small one for title bar & big one for task manager)
  85.       SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  86.       SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  87.  
  88.       // set window title and control texts
  89.       SetWindowText (hWnd, LOCALIZE (L"AboutBox_Title"));
  90.  
  91.       // set the banner area font
  92.       SendMessage (GetDlgItem (hWnd, STATICTEXT_BANNER), WM_SETFONT, (WPARAM) hFontBanner, false);
  93.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_BANNER), PROGRAM_NAME);
  94.  
  95.       GenerateVersionNumber (version, sizeof (version));
  96.       ConvertToWideChar (wide_version, WCHAR_SIZEOF (wide_version), version);
  97.       swprintf_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), L"version %s © 2010-%.4s Pierre-Marie Baty - ", wide_version, wide_version);
  98.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_PROGRAMVERSION), temp_buffer);
  99.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_AUTHOREMAIL), AUTHOR_EMAIL);
  100.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_ABOUTBOX_1STPARAGRAPH), LOCALIZE (L"AboutBox_1stParagraph"));
  101.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_ABOUTBOX_2NDPARAGRAPH), LOCALIZE (L"AboutBox_2ndParagraph"));
  102.       SetWindowText (GetDlgItem (hWnd, BUTTON_WEBSITE), LOCALIZE (L"AboutBox_VisitWebsite"));
  103.  
  104.       // build the "registered to:" message and display it
  105.       if (is_registered)
  106.          swprintf_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), LOCALIZE (L"Registration_RegisteredTo"), options.registration.user_email);
  107.       else
  108.          wcscpy_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), LOCALIZE (L"Registration_Unregistered"));
  109.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_REGISTEREDTO), temp_buffer);
  110.  
  111.       // convert the author's email to something clickable
  112.       ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_AUTHOREMAIL));
  113.    }
  114.  
  115.    // else did we click the close button on the title bar ?
  116.    else if (message == WM_CLOSE)
  117.       EndDialog (hWnd, 0); // close the dialog box
  118.  
  119.    // else did we take action on one of the controls ?
  120.    else if (message == WM_COMMAND)
  121.    {
  122.       // was it the website button ?
  123.       if (wParam_loword == BUTTON_WEBSITE)
  124.       {
  125.          ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the website in the default browser, maximized
  126.          EndDialog (hWnd, 0); // close the dialog box
  127.       }
  128.  
  129.       // else was it the author's email ?
  130.       else if (wParam_loword == STATICTEXT_AUTHOREMAIL)
  131.          ShellExecute (NULL, L"open", L"mailto:" AUTHOR_EMAIL, NULL, NULL, SW_MAXIMIZE); // fire up the mail client
  132.  
  133.       // else did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)
  134.       else if (wParam_loword == IDCANCEL)
  135.          EndDialog (hWnd, 0); // close the dialog box
  136.    }
  137.  
  138.    // call the default dialog message processing function to keep things going
  139.    return (false);
  140. }
  141.