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/*
* BoardWindow class: Responsible for the game window and the GDI+ drawing.
* Listens to notifications from the Board.
* Owns the EyeX host.
*
* Copyright 2013 Tobii Technology AB. All rights reserved.
*/
#pragma once
#include <Windows.h>
#include <objidl.h>
#include <gdiplus.h>
#include "Observer.h"
#include "EyeXHost.h"
class Board;
class BoardWindow : Observer
{
public:
BoardWindow(Board& board, HINSTANCE hInstance, int nCmdShow);
virtual ~BoardWindow();
// registers the window class; must be called once at application initialization.
static void RegisterWindowClass(HINSTANCE hInstance);
// From Observer
void SubjectChanged();
private:
// window procedure for the main window.
static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
// window procedure for the About dialog.
static INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
// GDI+ drawing methods.
void OnDraw(HDC hdc);
void DrawGrid(Gdiplus::Graphics *graphics);
void DrawHighlight(Gdiplus::Graphics* graphics, int row, int column);
void DrawXMarker(Gdiplus::Graphics* graphics, Gdiplus::Pen* pen, int row, int column);
void DrawOMarker(Gdiplus::Graphics* graphics, Gdiplus::Pen* pen, int row, int column);
void DrawGameOver(Gdiplus::Graphics* graphics, WCHAR* message, const Gdiplus::Color& messageColor);
// coordinate/board position mapping methods.
int BoardToClientAreaX(int column);
int BoardToClientAreaY(int row);
int ClientAreaToBoardColumn(int x);
int ClientAreaToBoardRow(int y);
// region id/board position mapping methods.
int BoardPositionToRegionId(int row, int column);
int RegionIdToBoardRow(int regionId);
int RegionIdToBoardColumn(int regionId);
// re-calculates the margins based on the size of the window.
void UpdateMargins();
// reports all vacant board positions as activatable regions to the EyeX host.
void UpdateActivatableRegions();
// makes a move at the given position.
void MakeHumanPlayerMove(int row, int column);
// event handlers.
void OnSquareClicked(POINTS point);
void OnSquareActivated(UINT regionId);
void OnNewGameClicked();
static const Gdiplus::Color BackgroundGazeInteractionFunctionalColor;
static const Gdiplus::Color BackgroundMouseOnlyColor;
static const Gdiplus::Color GridColor;
static const Gdiplus::Color MarkerColor;
static const Gdiplus::Color HighlightColor;
static const Gdiplus::Color WonMessageColor;
static const Gdiplus::Color LostMessageColor;
static const int SquareSize;
static const int MarkerMargin;
static const int MarkerDiameter;
static const TCHAR* WindowClassName;
Board& _board;
EyeXHost _eyeXHost;
HINSTANCE _hInstance;
HWND _hWnd;
HMENU _hMenu;
int _leftMargin;
int _upperMargin;
// private copy constructor and operator making the class non-copyable (declared but not implemented).
BoardWindow(const BoardWindow&);
BoardWindow& operator = (const BoardWindow&);
};
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