/*********************************************************************
MLDemos: A User-Friendly visualization toolkit for machine learning
Copyright (C) 2010  Basilio Noris
Contact: mldemos@b4silio.com

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License,
version 3 as published by the Free Software Foundation.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*********************************************************************/
#ifndef QNamedWindow_H
#define QNamedWindow_H

//typedef struct _IplImage IplImage;
//#include <opencv/cv.h>
//#include <opencv/highgui.h>

#include <QWidget>
//#include <QGLWidget>
#include <QSize>

enum
{
    EVENT_MOUSEMOVE      =0,
    EVENT_LBUTTONDOWN    =1,
    EVENT_RBUTTONDOWN    =2,
    EVENT_MBUTTONDOWN    =3,
    EVENT_LBUTTONUP      =4,
    EVENT_RBUTTONUP      =5,
    EVENT_MBUTTONUP      =6,
    EVENT_LBUTTONDBLCLK  =7,
    EVENT_RBUTTONDBLCLK  =8,
    EVENT_MBUTTONDBLCLK  =9
};

enum
{
    EVENT_FLAG_LBUTTON   =1,
    EVENT_FLAG_RBUTTON   =2,
    EVENT_FLAG_MBUTTON   =4,
    EVENT_FLAG_CTRLKEY   =8,
    EVENT_FLAG_SHIFTKEY  =16,
    EVENT_FLAG_ALTKEY    =32
};


class QNamedWindow : public QWidget
{
	Q_OBJECT
	
private:
	QString name;
	QTimer *timer;
	QPixmap pixmap;
	QImage qimg;
	QPoint mouse;
	bool bResizable;
	bool bBorderless;
	

protected:
	void paintEvent(QPaintEvent *event);
	void resizeEvent(QResizeEvent *event);
	void mousePressEvent(QMouseEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);
	void dragEnterEvent(QDragEnterEvent *event);
	void dropEvent(QDropEvent *event);

public:
	bool bNewImage;
	QNamedWindow(QString name, bool bResizable = false, QWidget *parent = 0);
//	void ShowImage(IplImage *image);
	void ShowImage(QPixmap pixmap);
	void SetMouseCallback(void (*mouseCallback)(int, int, int, int));
	void (*mouseCallback)(int, int, int, int);
	QPixmap Pixmap() {return pixmap;};
//	static QPixmap toPixmap(IplImage *src);
//	static IplImage *toImage(QImage image);

signals:
	void MouseMoveEvent(QMouseEvent *event);
	void MousePressEvent(QMouseEvent *event);
	void MouseReleaseEvent(QMouseEvent *event);
	void DragEnterEvent(QDragEnterEvent *event);
	void DropEvent(QDropEvent *event);
	void ResizeEvent(QResizeEvent *event);
};
#endif
