Subversion Repositories Games.Chess Giants

// dialog_takeback.cpp

#include "../common.h"

// dialog template

#define THIS_DIALOG DIALOG_TAKEBACK

// global variables used in this module only

static bool is_takebackaccepted = false;

// 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_Takeback (int howmany_halfmoves)

{

   // helper function to fire up the modeless dialog box

   _beginthread (StartThread_ThisDialog, 0, (void *) howmany_halfmoves); // fire up the thread

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

}

void DialogBox_Takeback_Validated (void)

{

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

   player_t *network_player;

   // remember this callback is no longer to be called

   is_dialogbox_takeback_validated = false;

   network_player = Player_FindByType (PLAYER_INTERNET); // quick access to network player

   if (network_player == NULL)

      return; // consistency check

   // did we accept the challenge ? if so, send an accept reply, else decline it

   if (is_takebackaccepted)

      Player_SendBuffer_Add (network_player, 1000, L"accept %s\n", network_player->name); // send the accept notification

   else

      Player_SendBuffer_Add (network_player, 1000, L"decline %s\n", network_player->name); // send the decline notification

   return; // finished, challenge has been either accepted or declined

}

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.

   player_t *network_player;

   int interlocutor_index;

   int howmany_halfmoves;

   HWND hParentWnd;

   int retval;

   int error;

   howmany_halfmoves = (int) thread_parms;

   network_player = Player_FindByType (PLAYER_INTERNET); // quick access to network player

   if (network_player == NULL)

      return; // consistency check

   // see if we are already talking to this interlocutor, loop through all of them...

   hParentWnd = hMainWnd; // assume parent window will be the main window, until told otherwise

   for (interlocutor_index = 0; interlocutor_index < interlocutor_count; interlocutor_index++)

      if (interlocutors[interlocutor_index].is_active && (_wcsicmp (network_player->name, interlocutors[interlocutor_index].nickname) == 0))

      {

         hParentWnd = interlocutors[interlocutor_index].hWnd; // if found, parent window will be this interlocutor's chat window

         break; // break as soon as we find it

      }

   // display the dialog box

   retval = DialogBoxParam (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hParentWnd, DialogProc_ThisDialog, (LPARAM) howmany_halfmoves);

   error = GetLastError ();

   is_takebackaccepted = (retval != 0);

   is_dialogbox_takeback_validated = true;

   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

   unsigned short wParam_hiword;

   unsigned short wParam_loword;

   int howmany_halfmoves;

   player_t *network_player;

   wchar_t temp_string[256];

   // 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)

   {

      howmany_halfmoves = (int) lParam;

      network_player = Player_FindByType (PLAYER_INTERNET); // quick access to network player

      if (network_player == NULL)

         return (false); // consistency check

      // center the window

      CenterWindow (hWnd, hMainWnd);

      // set window title and control texts

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

      swprintf_s (temp_string, WCHAR_SIZEOF (temp_string), LOCALIZE (L"Chat_TakebackRequestReceived"), network_player->name, howmany_halfmoves);

      SetDlgItemText (hWnd, STATICTEXT_TAKEBACK_QUESTION, temp_string);

      SetDlgItemText (hWnd, BUTTON_ACCEPT, LOCALIZE (L"Button_Accept"));

      SetDlgItemText (hWnd, BUTTON_DECLINE, LOCALIZE (L"Button_Decline"));

      SetDlgItemText (hWnd, STATICTEXT_TAKEBACK_STATUSBAR, LOCALIZE (L"Chat_StatusBar"));

      // convert the status bar message to a hyperlink

      ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_TAKEBACK_STATUSBAR));

   }

   // 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)

   {

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

      // OR was it the "decline" button ?

      if ((wParam_loword == IDCANCEL) || (wParam_loword == BUTTON_DECLINE))

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

      // else was it the "accept" button ?

      else if (wParam_loword == BUTTON_ACCEPT)

         EndDialog (hWnd, 1); // close the dialog box and return OK

      // else was it the status bar hyperlink ?

      else if (wParam_loword == STATICTEXT_CHALLENGE_STATUSBAR)

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

   }

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

   return (false);

}