/***************************************************************************
 *   Copyright (C) 2004 by Johan Maes - ON4QZ                              *
 *   on4qz@telenet.be                                                      *
 *   http://users.telenet.be/on4qz                                         *
 *                                                                         *
 *   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 EDITORVIEW_H
#define EDITORVIEW_H

#include <qpainter.h>
#include <qcursor.h>
#include <qimage.h>
#include <qfile.h>
#include <qstatusbar.h>
#include <qlabel.h>
#include "canvasitems.h"
#include "mcanvas.h"


/**
@author Johan Maes - ON4QZ
*/
class editorForm;



enum eactionType {SELECT,COLORPICK,RECTANGLE,ELLIPSE,LINE,IMAGE,TEXT};

/** Widegt to disply the various canvasItems */
class editorView : public QCanvasView
{
Q_OBJECT
public:
    editorView(QWidget *parent = 0, const char *name = 0);
    ~editorView();
		//void clear();
		void setEditorForm(editorForm *e)
			{
				ef=e;
			}
		void save(QFile &f,bool templ);
		void open(QFile &f);
		void setImage(QImage *ima);
		QImage *getImage();
		Qt::BrushStyle getBrushStyle() { return brushStyle;}
		void setBrushStyle(int i) { brushStyle= (Qt::BrushStyle)i;}
		QString getFont() { return aFont.toString();}
		void setFont(QString fontDescr) { aFont.fromString(fontDescr);}
		void flattenImage();
		void setRotate(int);
		void setShear(double);
		void setStatusBar(QStatusBar *sp)
		 {
		 	sbp=sp;
			sizingText=new QLabel(sbp);
			tmpText=new QLabel(sbp);
			sbp->addWidget(sizingText,0,TRUE);
			sbp->addWidget(tmpText,0,FALSE);
			}
		bool isModified() { return modified;}
		mcanvas::eImageType getImageType(){return mCanvas->getImageType();}
		void setCanvasSize(int w,int h)
			{
//				mCanvas->resize(w,h);
				slotChangeSize(QSize(w,h));
			}
public slots:
	void slotArrow();
	void slotRectangle();
	void slotCircle();
	void slotColorpicker();
	void slotFgColorChanged(QColor c);
	void slotBgColorChanged(QColor c);
	void slotText();
	void slotPenWidth(int pw);
	void slotImage();
	void slotLine();
	void slotDeleteItem();
	void slotApplyColors();
	void slotChangeFont();
	void slotSetBg();
	void slotClearAll();
	void slotBringToFront();
	void slotSendToBack();
	void slotLock();
	void slotUnlock();
	void slotChangeSize(QSize s);
	void slotCopy();
	void slotPaste();
	void slotExpand();
	void slotHorGradient();
	void slotVerGradient();
	void slotSelectFont();
	void slotTextReturnPressed(const QString &);
	void slotSendForward();
	void slotSendBackward();
signals:
	void setShearRotate(double,int);
	void textLoaded(const QString &);
private:
	
	void contentsMousePressEvent(QMouseEvent* e);
	void contentsMouseMoveEvent(QMouseEvent* e);
	void contentsMouseReleaseEvent(QMouseEvent* e);
	QPoint clickPoint;
	eactionType actionType;
	void setupAction(eactionType at);
	void setupItem(int w=1,int h=1);
	QFont  aFont;
	int lineWidth;
	editorForm *ef;
	QCursor *crsr;
	QImage  im;
	Qt::BrushStyle brushStyle;
	
	void dropEvent(QDropEvent* event);
	void dragEnterEvent(QDragEnterEvent* event);
	void checkResizing();
	void doSizing(QPoint p);
	void execSizing(QPoint s,QPoint e);
	void displaySize();
	eSizing sizing;
	
	
	int rotateValue;
	double shearValue;
	
	QString lineEditString;
	bool modified;
	QStatusBar *sbp;
	mcanvas *mCanvas;
	QLabel *sizingText;
	QLabel *tmpText;
};

#endif