Subversion Repositories Games.Chess Giants

// dialog_pawnpromotion.cpp

#include "../common.h"

// dialog template

#define THIS_DIALOG DIALOG_PAWNPROMOTION

// global variables used in this module only

static int promotion_type = PART_NONE;

// 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_PawnPromotion (void)

{

   // helper function to fire up the modeless dialog box

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

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

}

void DialogBox_PawnPromotion_Validated (void)

{

   // callback function called by the main game thread when the dialog box is validated

   boardmove_t *currentmove;

   // remember this callback is no longer to be called

   is_dialogbox_pawnpromotion_validated = false;

   currentmove = &the_board.moves[the_board.move_count - 1]; // quick access to previous move

   // save promotion type and promote the part to the desired type

   currentmove->promotion_type = promotion_type;

   Move_SetSlot (currentmove, currentmove->target[0], currentmove->target[1], currentmove->color, currentmove->promotion_type);

   // evaluate new check and stalemate status

   currentmove->is_check = Move_IsCheck (currentmove, 1 - currentmove->color); // save whether opponent is in check or not

   currentmove->is_stalemate = Move_IsStaleMate (currentmove, 1 - currentmove->color); // save whether opponent is stalemate

   // re-describe our move in Standard Abbreviated Notation and describe the resulting table in Forsyth-Edwards Notation

   Move_DescribeInSAN (currentmove);

   Move_DescribeInFEN (currentmove);

   // forget the hovered and selected positions

   Board_SetSelectedAndHovered (&the_board, -1, -1, -1, -1);

   the_board.has_playerchanged = true; // pawn promotion is complete, we can switch players now

   the_board.reevaluate = true; // evaluate the new board

   the_scene.update = true; // and redraw the scene

   return; // finished, pawn has been promoted to the desired part type

}

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

   promotion_type = DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog);

   if (promotion_type > 0)

      is_dialogbox_pawnpromotion_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;

   // 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"PawnPromotion_Title"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_PAWNPROMOTION_QUESTION), LOCALIZE (L"PawnPromotion_Question"));

      Static_SetText (GetDlgItem (hWnd, STATICTEXT_PAWNPROMOTION_STATUSBAR), LOCALIZE (L"PawnPromotion_StatusBar"));

      // convert the bitmaps to clickable things

      ConvertStaticToHyperlink (GetDlgItem (hWnd, BUTTON_ROOK));

      ConvertStaticToHyperlink (GetDlgItem (hWnd, BUTTON_KNIGHT));

      ConvertStaticToHyperlink (GetDlgItem (hWnd, BUTTON_BISHOP));

      ConvertStaticToHyperlink (GetDlgItem (hWnd, BUTTON_QUEEN));

      // convert the status bar message to a hyperlink

      ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_PAWNPROMOTION_STATUSBAR));

   }

   // else did we take action on one of the controls ?

   else if (message == WM_COMMAND)

   {

      // was it the "rook" button ?

      if (wParam_loword == BUTTON_ROOK)

         EndDialog (hWnd, PART_ROOK); // close the dialog box and return a "promote to rook" value

      // else was it the "knight" button ?

      else if (wParam_loword == BUTTON_KNIGHT)

         EndDialog (hWnd, PART_KNIGHT); // close the dialog box and return a "promote to knight" value

      // else was it the "bishop" button ?

      else if (wParam_loword == BUTTON_BISHOP)

         EndDialog (hWnd, PART_BISHOP); // close the dialog box and return a "promote to bishop" value

      // else was it the "queen" button ?

      else if (wParam_loword == BUTTON_QUEEN)

         EndDialog (hWnd, PART_QUEEN); // close the dialog box and return a "promote to queen" value

      // else was it the status bar hyperlink ?

      else if (wParam_loword == STATICTEXT_PAWNPROMOTION_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);

}