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  1. // dialog_load.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // local prototypes
  7. static void StartThread_ThisDialog (void *thread_parms);
  8.  
  9.  
  10. void DialogBox_Load (void)
  11. {
  12.    // helper function to fire up the modeless dialog box
  13.  
  14.    _beginthread (StartThread_ThisDialog, 0, NULL); // fire up a new one
  15.  
  16.    return; // return as soon as the thread is fired up
  17. }
  18.  
  19.  
  20. void DialogBox_Load_Validated (void)
  21. {
  22.    // callback function called by the main game thread when the dialog box is validated
  23.  
  24.    wchar_t fen_string[128];
  25.    int length;
  26.  
  27.    // remember this callback is no longer to be called
  28.    is_dialogbox_load_validated = false;
  29.  
  30.    length = wcslen (load_pathname); // get pathname length
  31.  
  32.    // is it a FEN or a PGN filename ?
  33.    if ((length > 4) && (_wcsicmp (&load_pathname[length - 4], L".fen") == 0))
  34.    {
  35.       //////////////////////////////
  36.       // load the requested FEN game
  37.       if (FENFile_Load (load_pathname, fen_string, WCHAR_SIZEOF (fen_string))
  38.           && Board_Reset (&the_board, fen_string))
  39.       {
  40.          animation_endtime = current_time + ANIMATION_DURATION; // start with an animation
  41.          sound_playtime = current_time + ANIMATION_DURATION - 0.1f; // play sound near the end of animation
  42.          the_board.reevaluate = true; // evaluate the new board
  43.          the_scene.update = true; // update scene
  44.       }
  45.       else
  46.       {
  47.          messagebox.hWndParent = hMainWnd;
  48.          wcscpy_s (messagebox.title, WCHAR_SIZEOF (messagebox.title), LOCALIZE (L"ImportantMessage"));
  49.          wcscpy_s (messagebox.text, WCHAR_SIZEOF (messagebox.text), LOCALIZE (L"Error_LoadFailed"));
  50.          messagebox.flags = MB_ICONWARNING | MB_OK;
  51.          DialogBox_Message (&messagebox); // on error, display a modeless error message box
  52.       }
  53.    }
  54.    else
  55.    {
  56.       //////////////////////////////
  57.       // load the requested PGN file
  58.       if (PGNFile_Load (load_pathname))
  59.       {
  60.          // is there only one game in this PGN file ?
  61.          if (game_count == 1)
  62.          {
  63.             if (PGNFile_LoadGame (&the_board, load_pathname, &games[0])) // then automatically choose the first one
  64.             {
  65.                animation_endtime = current_time + ANIMATION_DURATION; // start with an animation
  66.                sound_playtime = current_time + ANIMATION_DURATION - 0.1f; // play sound near the end of animation
  67.                the_board.reevaluate = true; // evaluate the new board
  68.                the_scene.update = true; // update scene
  69.             }
  70.             else
  71.             {
  72.                messagebox.hWndParent = hMainWnd;
  73.                wcscpy_s (messagebox.title, WCHAR_SIZEOF (messagebox.title), LOCALIZE (L"ImportantMessage"));
  74.                wcscpy_s (messagebox.text, WCHAR_SIZEOF (messagebox.text), LOCALIZE (L"Error_LoadFailed"));
  75.                messagebox.flags = MB_ICONWARNING | MB_OK;
  76.                DialogBox_Message (&messagebox); // on error, display a modeless error message box
  77.             }
  78.          }
  79.  
  80.          // else is there more than one game in this PGN file ?
  81.          else if (game_count > 1)
  82.             Window_Games (); // if so, show the PGN games window
  83.       }
  84.       else
  85.       {
  86.          messagebox.hWndParent = hMainWnd;
  87.          wcscpy_s (messagebox.title, WCHAR_SIZEOF (messagebox.title), LOCALIZE (L"ImportantMessage"));
  88.          wcscpy_s (messagebox.text, WCHAR_SIZEOF (messagebox.text), LOCALIZE (L"Error_LoadFailed"));
  89.          messagebox.flags = MB_ICONWARNING | MB_OK;
  90.          DialogBox_Message (&messagebox); // on error, display a modeless error message box
  91.       }
  92.    }
  93.  
  94.    return; // finished, game is loaded
  95. }
  96.  
  97.  
  98. static void StartThread_ThisDialog (void *thread_parms)
  99. {
  100.    // this function runs in a separate thread, for that's the only way (seemingly)
  101.    // to implement a non-modal Open dialog box using the Common Controls library.
  102.  
  103.    OPENFILENAME ofn;
  104.  
  105.    // reset and prepare the open file name structure
  106.    memset (&ofn, 0, sizeof (ofn));
  107.    ofn.lStructSize = sizeof (ofn);
  108.    ofn.hwndOwner = hMainWnd;
  109.    ofn.lpstrFilter = LOCALIZE (L"GameFileFilter");
  110.    ofn.nFilterIndex = 1; // first filter (list is 1-based)
  111.    ofn.lpstrFile = load_pathname;
  112.    ofn.nMaxFile = WCHAR_SIZEOF (load_pathname);
  113.    ofn.Flags = OFN_ENABLESIZING | OFN_EXPLORER | OFN_ENABLEHOOK | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
  114.  
  115.    // display the dialog box and get the file name
  116.    if (GetOpenFileName (&ofn) != 0)
  117.       is_dialogbox_load_validated = true;
  118.  
  119.    the_board.reevaluate = true; // refresh the GUI buttons if needed
  120.    return; // _endthread() implied
  121. }
  122.