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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/*
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Copyright 2006-2024 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech 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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QElectroTech 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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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ELEMENT_VIEW_H
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#define ELEMENT_VIEW_H
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#include <QGraphicsView>
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#include "elementscene.h"
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/**
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This class provides a widget to render an ElementScene instance, i.e. the
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edition class for electrical elements.
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*/
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class ElementView : public QGraphicsView {
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Q_OBJECT
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friend class PastePartsCommand;
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// constructors, destructor
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public:
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ElementView(ElementScene *, QWidget * = nullptr);
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~ElementView() override;
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private:
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ElementView(const ElementView &);
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// methods
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public:
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ElementScene *scene() const;
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void setScene(ElementScene *);
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QRectF viewedSceneRect() const;
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protected:
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void mousePressEvent(QMouseEvent *) override;
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void mouseMoveEvent(QMouseEvent *) override;
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void mouseReleaseEvent(QMouseEvent *) override;
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bool gestureEvent(QGestureEvent *event);
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bool event(QEvent *event) override;
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void wheelEvent(QWheelEvent *) override;
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void drawBackground(QPainter *, const QRectF &) override;
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private:
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QRectF applyMovement(const QRectF &, const QPointF &);
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public slots:
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void setVisualisationMode();
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void setSelectionMode();
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void zoomIn();
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void zoomOut();
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void zoomInSlowly();
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void zoomOutSlowly();
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void zoomFit();
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void zoomReset();
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void adjustSceneRect();
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void resetSceneRect ();
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void cut();
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void copy();
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void paste();
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void pasteInArea();
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signals:
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/// Signal emitted after the mode changed
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void modeChanged();
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private slots:
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void getPasteArea(const QRectF &);
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ElementContent pasteAreaDefined(const QRectF &);
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ElementContent paste(const QPointF &);
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ElementContent paste(const QDomDocument &, const QPointF &);
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ElementContent pasteWithOffset(const QDomDocument &);
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// attributes
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private:
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ElementScene *m_scene;
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QString to_paste_in_area_;
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int offset_paste_count_;
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QPointF start_top_left_corner_;
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QPointF reference_view_;
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bool gestures() const;
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};
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#endif
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