// 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);
}