Subversion Repositories Games.Chess Giants

// dialog_quit.cpp

#include "../common.h"

// dialog template

#define THIS_DIALOG DIALOG_QUIT

// 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_Quit (void)

{

   // helper function to fire up the modeless dialog box

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

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

}

void DialogBox_Quit_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_quit_validated = false;

   // destroy the main window, which in turn will raise the "terminate_everything" global flag

   DestroyWindow (hMainWnd);

   return; // finished, we're now quitting the program

}

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.

   // display the dialog box

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

      is_dialogbox_quit_validated = true;

   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;

   // 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"Quit_Title"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_QUIT_QUESTION), LOCALIZE (L"Quit_Question"));

      SetWindowText (GetDlgItem (hWnd, BUTTON_GIVEUPANDQUIT), LOCALIZE (L"Quit_GiveUpAndQuit"));

      SetWindowText (GetDlgItem (hWnd, BUTTON_BACKTOGAME), LOCALIZE (L"Quit_BackToGame"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_QUIT_STATUSBAR), LOCALIZE (L"Quit_StatusBar"));

      // convert the status bar message to a hyperlink

      ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_QUIT_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)

      if (wParam_loword == IDCANCEL)

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

      // else was it the quit button ?

      else if (wParam_loword == BUTTON_GIVEUPANDQUIT)

         EndDialog (hWnd, 1); // close the dialog box and return a success value

      // else was it the back to game button ?

      else if (wParam_loword == BUTTON_BACKTOGAME)

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

      // else was it the status bar hyperlink ?

      else if (wParam_loword == STATICTEXT_QUIT_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);

}