Subversion Repositories Games.Chess Giants

// dialog_endgame.cpp

#include "../common.h"

// dialog template

#define THIS_DIALOG DIALOG_GOTOMOVE

// global variables used in this module only

static int wanted_move = 0;

// 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_GoToMove (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_GoToMove_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_gotomove_validated = false;

   // enter view mode and set the viewed move to the one we want (with sanity checks)

   if (wanted_move < 0)

      the_board.viewed_move = 0; // clamp min to start state

   else if ((the_board.move_count > 1) && (wanted_move > the_board.move_count - 1))

      the_board.viewed_move = the_board.move_count - 1; // clamp max to last move

   else

      the_board.viewed_move = wanted_move; // else any move in between

   the_board.reevaluate = true; // evaluate board again

   return; // finished, invitation is sent

}

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_gotomove_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"GoToMove_Title"));

      SetDlgItemText (hWnd, BUTTON_OK, LOCALIZE (L"Button_OK"));

      SetDlgItemText (hWnd, STATICTEXT_GOTOMOVE, LOCALIZE (L"GoToMove"));

      SetDlgItemInt (hWnd, EDITBOX_GOTOMOVE, MOVEINDEX_TO_PGNMOVENUMBER (the_board.viewed_move), false);

      SetDlgItemText (hWnd, RADIOBUTTON_GOTOMOVE_WHITE, LOCALIZE (L"Games_White"));

      SetDlgItemText (hWnd, RADIOBUTTON_GOTOMOVE_BLACK, LOCALIZE (L"Games_Black"));

      SetDlgItemText (hWnd, STATICTEXT_GOTOMOVE_STATUSBAR, LOCALIZE (L"GoToMove_StatusBar"));

      // initialize the radio buttons

      Button_SetCheck (GetDlgItem (hWnd, RADIOBUTTON_GOTOMOVE_WHITE), (1 - the_board.viewed_move % 2 == COLOR_WHITE ? BST_CHECKED : BST_UNCHECKED));

      Button_SetCheck (GetDlgItem (hWnd, RADIOBUTTON_GOTOMOVE_BLACK), (1 - the_board.viewed_move % 2 == COLOR_BLACK ? BST_CHECKED : BST_UNCHECKED));

      // convert the status bar message to a hyperlink

      ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_GOTOMOVE_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)

   {

      // was it the OK button ?

      if (wParam_loword == BUTTON_OK)

      {

         // translate the wanted move number into a move array index

         wanted_move = PGNMOVENUMBER_TO_MOVEINDEX (GetDlgItemInt (hWnd, EDITBOX_GOTOMOVE, NULL, false),

                                                   (Button_GetCheck (GetDlgItem (hWnd, RADIOBUTTON_GOTOMOVE_BLACK)) == BST_CHECKED ? COLOR_BLACK : COLOR_WHITE));

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

      }

      // 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

      // else is it a radio button ?

      else if (wParam_loword == RADIOBUTTON_GOTOMOVE_WHITE)

         Button_SetCheck (GetDlgItem (hWnd, RADIOBUTTON_GOTOMOVE_BLACK), BST_UNCHECKED);

      else if (wParam_loword == RADIOBUTTON_GOTOMOVE_BLACK)

         Button_SetCheck (GetDlgItem (hWnd, RADIOBUTTON_GOTOMOVE_WHITE), BST_UNCHECKED);

      // else was it the status bar hyperlink ?

      else if (wParam_loword == STATICTEXT_ENDGAME_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);

}