#ifndef JOY_LAYOUT_H
#define JOY_LAYOUT_H


//to allow for interprocess communications (ie, signaling a running instance of
//qjoypad by running "qjoypad layout-name", etc.) QJoyPad uses signals to
//triger certain events. This is for signaling the main program to update
//the joystick device list.
#include <signal.h>

#include <QAction>
#include <QDir>
#include <QMenu>
#include <QApplication>
#include <QDialog>
#include <QInputDialog>
#include <QSystemTrayIcon>
#include <poll.h>

//a layout handles several joypads
#include "joypad.h"
//for errors
#include "error.h"
//so we know which joypads have RL equivalents
#include "device.h"
//For displaying a floating icon instead of a tray icon
#include "icon.h"
//So we can know if there is a graphical version of the Layout Manager displayed
#include "layout_edit.h"

//for recognizing when the special empty layout is in use
#define NL "[NO LAYOUT]"

//where QJoyPad saves its settings!
const QString settingsDir(QDir::homePath() + "/.qjoypad3/");

//handles loading, saving, and changing of layouts
class LayoutManager : public QObject {
	friend class LayoutEdit;
	Q_OBJECT
	public:
		LayoutManager( bool useTrayIcon);
		//produces a list of the names of all the available layout.
		QStringList getLayoutNames();
        void leWindowClosed();
	public slots:
		//load a layout with a given name
		bool load(const QString& name);
		//look for the last loaded layout and try to load that.
		bool load();
		//load the current layout, overwriting any changes made to it.
		bool reload();
		//reset to a blank, empty layout
		void clear();
		
		//save the current layout with its current name
		void save();
		//save the current layout with a new name
		void saveAs();
		//save the currently loaded layout so it can be recalled later
		void saveDefault();

		//get rid of a layout
		void remove();
		
		//when the tray icon is clicked
		void iconClick();
        void trayClick(QSystemTrayIcon::ActivationReason reason);
		//when the user selects an item on the tray's popup menu
		void trayMenu(QAction* menuItemAction);
		//rebuild the popup menu with the current information
		void fillPopup();
		//update the list of available joystick devices
		void updateJoyDevs();
	private:
		//change to the given layout name and make all the necesary adjustments
		void setLayoutName(QString name);
		//get the file name for a layout name
		QString getFileName( QString layoutname );
		//the layout that is currently in use
		QString CurrentLayout;
		//the popup menu from the tray/floating icon
		QMenu* Popup;

		//if there is a LayoutEdit open, this points to it. Otherwise, NULL.	
		LayoutEdit* le;
};

#endif