// -*-c++-*-
//------------------------------------------------------------------------------
// xword - (http://xword.sourceforge.net)
// Copyright 2001 Patrick Crosby <pcrosby@pobox.com>
//------------------------------------------------------------------------------
// GridWidget.h
//
// $Id: GridWidget.h,v 1.10 2002/01/23 19:43:03 pcrosby Exp $
//------------------------------------------------------------------------------
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 59 Temple
// Place, Suite 330, Boston, MA  02111-1307  USA
//------------------------------------------------------------------------------

#ifndef __GridWidget__
#define __GridWidget__

#include <gtk--/drawingarea.h>

#include "Puzzle.h"

#include "Namespace.h"

NAMESPACE_OPEN

//------------------------------------------------------------------------------

class GridWidget: public Gtk::DrawingArea
{
	// Constants
	private:
		static const int s_nGridSize;
		static const int s_nBackColorRed;
		static const int s_nBackColorGreen;
		static const int s_nBackColorBlue;
		static const int s_nOffset;
		
	// Types
		//	typedef std::vector<std::string> StringVec;
		
	// Variables
	private:
		Gdk_Pixmap m_pixBack;
		// Puzzle::SquareGrid m_Grid;
		int m_nSizeX;
		int m_nSizeY;

		int m_nCursorX;
		int m_nCursorY;

		// StringVec m_vecLetters;

		bool m_bAcross;

		Puzzle* m_pPuzzle;
		
	// Methods
	public:
		GridWidget();
		~GridWidget();

		gint expose_event_impl(GdkEventExpose* pEvent);
		gint key_press_event_impl(GdkEventKey* pEvent);
		gint button_press_event_impl(GdkEventButton* pEvent);

		void SetGrid(/*const Puzzle::SquareGrid& grid*/);
		void SetPuzzle(Puzzle* pPuzzle);

		SigC::Signal0<void> CursorMoved;

		int GetCursorX() const { return m_nCursorX; }
		int GetCursorY() const { return m_nCursorY; }

		int GetWidth() const;
		int GetHeight() const;
	
	private:
		void Draw();
		void DrawGrid();
		void DrawCursor();
		void DrawLetters();
		void SetColor(Gdk_GC& gc, int nRed, int nGreen, int nBlue);
		void GetFont(Gdk_Font& font);

		int GetCenterX();
		int GetCenterY();
		int GetMaxX();
		int GetMaxY();

		bool MoveRight(bool bBlank);
		bool MoveLeft(bool bBlank);
		bool MoveDown(bool bBlank);
		bool MoveUp(bool bBlank);

		bool PrevClue(bool bAcross);
		bool NextClue(bool bAcross);
};

//------------------------------------------------------------------------------

NAMESPACE_CLOSE

#endif

//------------------------------------------------------------------------------