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75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/***************************************************************************
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* Copyright 2009 by Davide Bettio <davide.bettio@kdemail.net> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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#ifndef BLACKBOARDWIDGET_H
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#define BLACKBOARDWIDGET_H
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#include <QGraphicsWidget>
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#include <QPainter>
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#include <QPixmap>
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#include <QtCore/qpoint.h>
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class QGraphicsSceneMouseEvent;
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class QStyleOptionGraphicsItem;
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namespace Plasma
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{
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class Applet;
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}
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class BlackBoardWidget : public QGraphicsWidget
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{
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Q_OBJECT
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public:
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BlackBoardWidget(Plasma::Applet *parent);
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~BlackBoardWidget();
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseMoveEvent ( QGraphicsSceneMouseEvent *event );
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void mouseReleaseEvent ( QGraphicsSceneMouseEvent *event );
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void resizeEvent(QGraphicsSceneResizeEvent *event);
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void setBrushColor(QColor color);
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protected:
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bool event(QEvent *event);
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public Q_SLOTS:
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void saveImage();
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void erase();
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private Q_SLOTS:
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void loadImage();
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private:
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QString imagePath();
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void drawSegment(QPointF point0, QPointF point1, qreal penRadius);
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bool m_changed;
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Plasma::Applet *m_parentApplet;
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QString m_id;
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QColor m_color;
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QPixmap m_pixmap;
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QPointF m_oldPoint;
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QPainter m_painter;
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};
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#endif
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