Subversion Repositories Games.Chess Giants

// dialog_about.cpp

#include "../common.h"

// dialog template

#define THIS_DIALOG DIALOG_ABOUT

// global variables used in this module only

static HFONT hFontBanner;

// prototypes of local functions

static void StartThread_ThisDialog (void *thread_parms);

static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);

void DialogBox_About (void)

{

   // helper function to fire up the modeless dialog box

   is_dialogbox_displayed = true;

   _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one

   return; // return as soon as the thread is fired up

}

void DialogBox_About_Validated (void)

{

   // callback function called by the main game thread when the dialog box is validated

   // remember this callback is no longer to be called

   is_dialogbox_about_validated = false;

   return; // finished

}

static void StartThread_ThisDialog (void *thread_parms)

{

   // this function runs in a separate thread, for that's the only way (seemingly)

   // to implement a non-modal message box using the Common Controls library.

   // create the banner font

   hFontBanner = CreateFont (42, 0, 0, 0, FW_DONTCARE, true, false, false, ANSI_CHARSET, OUT_DEFAULT_PRECIS,

                             CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, L"Papyrus");

   // display the dialog box

   if (DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog) == 1)

      is_dialogbox_about_validated = true;

   is_dialogbox_displayed = false;

   // destroy the font object we used

   DeleteObject (hFontBanner);

   the_board.reevaluate = true; // refresh the GUI buttons if needed

   return; // _endthread() implied

}

static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)

{

   // message handler for the dialog box

   static wchar_t temp_buffer[256];

   static wchar_t wide_version[32];

   static char version[32];

   unsigned short wParam_hiword;

   unsigned short wParam_loword;

   // filter out the commonly used message values

   wParam_hiword = HIWORD (wParam);

   wParam_loword = LOWORD (wParam);

   // have we just fired up this window ?

   if (message == WM_INITDIALOG)

   {

      // center the window

      CenterWindow (hWnd, hMainWnd);

      // set dialog icons (small one for title bar & big one for task manager)

      SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));

      SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));

      // set window title and control texts

      SetWindowText (hWnd, LOCALIZE (L"AboutBox_Title"));

      // set the banner area font

      SendMessage (GetDlgItem (hWnd, STATICTEXT_BANNER), WM_SETFONT, (WPARAM) hFontBanner, false);

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_BANNER), PROGRAM_NAME);

      GenerateVersionNumber (version, sizeof (version));

      ConvertToWideChar (wide_version, WCHAR_SIZEOF (wide_version), version);

      swprintf_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), L"version %s © 2010-%.4s Pierre-Marie Baty - ", wide_version, wide_version);

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_PROGRAMVERSION), temp_buffer);

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_AUTHOREMAIL), AUTHOR_EMAIL);

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_ABOUTBOX_1STPARAGRAPH), LOCALIZE (L"AboutBox_1stParagraph"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_ABOUTBOX_2NDPARAGRAPH), LOCALIZE (L"AboutBox_2ndParagraph"));

      SetWindowText (GetDlgItem (hWnd, BUTTON_WEBSITE), LOCALIZE (L"AboutBox_VisitWebsite"));

#ifndef NO_REGISTRATION

      // build the "registered to:" message and display it

      if (is_registered)

         swprintf_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), LOCALIZE (L"Registration_RegisteredTo"), options.registration.user_email);

      else

         wcscpy_s (temp_buffer, WCHAR_SIZEOF (temp_buffer), LOCALIZE (L"Registration_Unregistered"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_REGISTEREDTO), temp_buffer);

#else // NO_REGISTRATION

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_REGISTEREDTO), L"");

#endif // !NO_REGISTRATION

      // convert the author's email to something clickable

      ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_AUTHOREMAIL));

   }

   // else did we click the close button on the title bar ?

   else if (message == WM_CLOSE)

      EndDialog (hWnd, 0); // close the dialog box

   // else did we take action on one of the controls ?

   else if (message == WM_COMMAND)

   {

      // was it the website button ?

      if (wParam_loword == BUTTON_WEBSITE)

      {

         ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the website in the default browser, maximized

         EndDialog (hWnd, 0); // close the dialog box

      }

      // else was it the author's email ?

      else if (wParam_loword == STATICTEXT_AUTHOREMAIL)

         ShellExecute (NULL, L"open", L"mailto:" AUTHOR_EMAIL, NULL, NULL, SW_MAXIMIZE); // fire up the mail client

      // else did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)

      else if (wParam_loword == IDCANCEL)

         EndDialog (hWnd, 0); // close the dialog box

   }

   // call the default dialog message processing function to keep things going

   return (false);

}