/*
 This file is part of StroQ, Copyright (C) 2005 Luc Vo Van
 
 StroQ 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, or (at your option) any
 later version.
 
 StroQ 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 StroQ; see the file COPYING.  If not, write to
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.
 
 Class          :   MainWindow
 Author         :   Luc Vo Van
 Original Date  :   18.05.2005
 Description    :   The main game window.
 
 */

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <qmainwindow.h>
#include <qcanvas.h>
#include <qtoolbutton.h>
#include <qhttp.h>

#include "playarea.h"

class QLabel;
class QProgressBar;
class QPopupMenu;
class QAction;
class QBuffer;

class MainWindow : public QMainWindow
{
	Q_OBJECT

public:
	/**
	* Creates the main window, with no border
	*/
	MainWindow(QWidget *parent = 0, const char *name = 0);
	~MainWindow();

public slots:
	/**
	* Called when the puzzle is changed, usually after a call to
	* PlayArea.loadPuzzle()
	* @param puzzle The puzzle that was just loaded
	* @param canvasSize Size of the canvas used to display the puzzle
	*/
	void puzzleChanged(Puzzle* puzzle, QSize canvasSize);

	/**
	 * Called when the player is moving to the next puzzle
	 */
    void loadNextPuzzle();

	/**
	 * Called when the stroke changes its length
	 * @param length New length of the stroke
	 */
	void strokeLengthChanged(int length);
	
protected:
	void resizeEvent(QResizeEvent *);
	void closeEvent(QCloseEvent *event);

private slots:
	// Puzzle stuff
	/**
	* To be called when a the player wants to select a new puzzle
	*/
	void selectPuzzle();
	
	/**
	* To be called when the player wants to enter a puzzle code
	*/
	void enterPuzzleCode();
	
	/**
	* To be called when the player wants to download a puzzle from
	* the Internet
	*/
	void downloadPuzzleOfTheDay();
	
	/**
	* To be called when switching from/to puzzle edit mode
	*/
	void toggleEditMode();
	
	/**
	* To be called to copy the current puzzle's code to the system's
	* clipboard
	*/
	void copyPuzzleCode();
	
	/**
	* To be called to quit the game
	*/
	void quit();
	
	// About stuff
	/**
	* To be called to display StroQ's about window
	*/
	void about();
	
	/**
	* To be called to displays Qt's about window
	*/
	void aboutQt();
	
	/**
	* Slot called when the transfer from the web server is finished
	*/
	void downloadPuzzleOfTheDayFinished(bool error);
	 
	/**
	 * Sets the number of the current puzzle
	 * @param puzzlenumber Number of the puzzle currently loaded
	 */
	void setPuzzleNumber(int puzzlenumber);
	
	/**
 	 * Returns the number of the current puzzle
	 * @return the number of the current puzzle
	 */
	int getPuzzleNumber();
	
private:
	void createActions();
	void createMenus();
	void createGameArea();

	/**
	* Loads the first puzzle into the PlayArea
	*/
	void loadFirstPuzzle();
	
	// About menu
	QPopupMenu *aboutMenu;
	QAction *aboutStroQAct;
	QAction *aboutQtAct;
	
	
	// Puzzle menu
	QPopupMenu *puzzleMenu;
	QAction *selectPuzzleAct;
	QAction *enterPuzzleCodeAct;
	QAction *downloadPuzzleOfTheDayAct;
	QAction *editPuzzleAct;
	QAction *quitAct;
	
	// Play menu
	QPopupMenu *playMenu;
	QAction *resetPuzzleAct;
	QAction *runPuzzleAct;
	QAction *copyPuzzleCodeAct;
	
	// Edit menu
	QPopupMenu *editMenu;
	QAction *newEditPuzzleAct;
	QAction *invertPuzzleAct;
	
	// Game area
	QCanvas *mainCanvas;
	PlayArea *playArea;

	// Game Toolbar
    QLabel *m_lPuzzleNumber;
    QLabel *m_lCurrentStrokeLength;
    QToolButton *m_bNextPuzzle;                                   
		
	QString m_sCurrentCode;
	
	int m_iPuzzleNumber;
	int m_iBestStrokeLength;
	
	bool m_bFirstDisplay; /**< used to resize the window properly */

	QBuffer *potdBuffer;
	QHttp potdHttp;
};

#endif