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  1. // dialog_quit.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // dialog template
  7. #define THIS_DIALOG DIALOG_QUIT
  8.  
  9.  
  10. // prototypes of local functions
  11. static void StartThread_ThisDialog (void *thread_parms);
  12. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  13.  
  14.  
  15. void DialogBox_Quit (void)
  16. {
  17.    // helper function to fire up the modeless dialog box
  18.  
  19.    _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new thread to display the dialog box
  20.  
  21.    return; // return as soon as the thread is fired up
  22. }
  23.  
  24.  
  25. void DialogBox_Quit_Validated (void)
  26. {
  27.    // callback function called by the main game thread when the dialog box is validated
  28.  
  29.    // remember this callback is no longer to be called
  30.    is_dialogbox_quit_validated = false;
  31.  
  32.    // destroy the main window, which in turn will raise the "terminate_everything" global flag
  33.    DestroyWindow (hMainWnd);
  34.  
  35.    return; // finished, we're now quitting the program
  36. }
  37.  
  38.  
  39. static void StartThread_ThisDialog (void *thread_parms)
  40. {
  41.    // this function runs in a separate thread, for that's the only way (seemingly)
  42.    // to implement a non-modal message box using the Common Controls library.
  43.  
  44.    int retval;
  45.  
  46.    // display the dialog box and grab its return value
  47.    retval = DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog);
  48.    if (retval == 1)
  49.       is_dialogbox_quit_validated = true; // if we simply want to quit, flag the quit dialog box as confirmed
  50.    else if (retval == 2)
  51.       DialogBox_Save (true); // else if we want to save THEN quit, fire up the save dialog box first (and tell it to raise the quit confirmation flag after it returns)
  52.  
  53.    return; // _endthread() implied
  54. }
  55.  
  56.  
  57. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  58. {
  59.    // message handler for the dialog box
  60.  
  61.    unsigned short wParam_hiword;
  62.    unsigned short wParam_loword;
  63.  
  64.    // filter out the commonly used message values
  65.    wParam_hiword = HIWORD (wParam);
  66.    wParam_loword = LOWORD (wParam);
  67.  
  68.    // have we just fired up this window ?
  69.    if (message == WM_INITDIALOG)
  70.    {
  71.       // center the window
  72.       CenterWindow (hWnd, hMainWnd);
  73.  
  74.       // set dialog icons (small one for title bar & big one for task manager)
  75.       SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  76.       SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  77.  
  78.       // set window title and control texts
  79.       SetWindowText (hWnd, LOCALIZE (L"Quit_Title"));
  80.  
  81.       // are we online AND has a game started, or are we playing locally in which case it is acceptable to simply quit now ?
  82.       if ((Player_FindByType (PLAYER_INTERNET) != NULL) && (the_board.move_count > 1))
  83.       {
  84.          Static_SetText (GetDlgItem (hWnd, STATICTEXT_QUIT_QUESTION), LOCALIZE (L"Quit_OnlineQuestion"));
  85.          SetWindowText (GetDlgItem (hWnd, BUTTON_GIVEUPANDQUIT), LOCALIZE (L"Quit_GiveUpAndQuit"));
  86.          SetWindowText (GetDlgItem (hWnd, BUTTON_BACKTOGAME), LOCALIZE (L"Quit_BackToGame"));
  87.       }
  88.       else
  89.       {
  90.          Static_SetText (GetDlgItem (hWnd, STATICTEXT_QUIT_QUESTION), LOCALIZE (L"Quit_OfflineQuestion"));
  91.          SetWindowText (GetDlgItem (hWnd, BUTTON_GIVEUPANDQUIT), LOCALIZE (L"Quit_SaveAndQuit"));
  92.          SetWindowText (GetDlgItem (hWnd, BUTTON_BACKTOGAME), LOCALIZE (L"Quit_SimplyQuit"));
  93.       }
  94.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_QUIT_STATUSBAR), LOCALIZE (L"Quit_StatusBar"));
  95.  
  96.       // play the "question" system sound
  97.       PlaySound ((LPCWSTR) SND_ALIAS_SYSTEMASTERISK, NULL, SND_ALIAS_ID | SND_ASYNC);
  98.  
  99.       // convert the status bar message to a hyperlink
  100.       ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_QUIT_STATUSBAR));
  101.    }
  102.  
  103.    // else did we click the close button on the title bar ?
  104.    else if (message == WM_CLOSE)
  105.       EndDialog (hWnd, 0); // close the dialog box
  106.  
  107.    // else did we take action on one of the controls ?
  108.    else if (message == WM_COMMAND)
  109.    {
  110.       // did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)
  111.       if (wParam_loword == IDCANCEL)
  112.          EndDialog (hWnd, 0); // close the dialog box
  113.  
  114.       // else was it the "give up and quit" or "save and quit" button ?
  115.       else if (wParam_loword == BUTTON_GIVEUPANDQUIT)
  116.       {
  117.          // are we online AND has a game started, or are we playing locally ?
  118.          if ((Player_FindByType (PLAYER_INTERNET) != NULL) && (the_board.move_count > 1))
  119.             EndDialog (hWnd, 1); // when playing remotely, button is labeled "give up and quit" --> close the dialog box and return a value that tells to quit
  120.          else
  121.             EndDialog (hWnd, 2); // when playing locally, button is labeled "save and quit" --> close the dialog box and return a value that tells to display a "save" dialog box
  122.       }
  123.  
  124.       // else was it the "back to game" or "simply quit" button ?
  125.       else if (wParam_loword == BUTTON_BACKTOGAME)
  126.       {
  127.          // are we online AND has a game started, or are we playing locally ?
  128.          if ((Player_FindByType (PLAYER_INTERNET) != NULL) && (the_board.move_count > 1))
  129.             EndDialog (hWnd, 0); // when playing remotely, button is labeled "back to game" --> close the dialog box and return a value that tells to do nothing
  130.          else
  131.             EndDialog (hWnd, 1); // when playing locally, button is labeled "just quit" --> close the dialog box and return a value that tells to quit
  132.       }
  133.  
  134.       // else was it the status bar hyperlink ?
  135.       else if (wParam_loword == STATICTEXT_QUIT_STATUSBAR)
  136.          ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the donation page in the default browser, maximized
  137.    }
  138.  
  139.    // call the default dialog message processing function to keep things going
  140.    return (false);
  141. }
  142.