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Kellermorph
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/*
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Copyright 2006-2026 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 PARTPLCTABLE_H
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#define PARTPLCTABLE_H
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#include "customelementgraphicpart.h"
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#include "../../QetGraphicsItemModeler/qetgraphicshandleritem.h"
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#include <QVector>
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/**
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@brief The PartPlcTable class
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This class represents a PLC I/O table preview in the element editor.
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It shows the user where the PLC table will appear at runtime, so they
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can position other element parts (rectangles, terminals, etc.) around it.
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The actual PLC data is read from ElementScene::elementData().
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*/
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class PartPlcTable : public CustomElementGraphicPart
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{
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Q_OBJECT
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Q_PROPERTY(QRectF rect READ rect WRITE setRect)
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public:
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PartPlcTable(QETElementEditor *editor, QGraphicsItem *parent = nullptr);
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~PartPlcTable() override;
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enum { Type = UserType + 1120 };
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int type () const override { return Type; }
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void paint (QPainter *, const QStyleOptionGraphicsItem *, QWidget * = nullptr) override;
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QString name () const override { return QObject::tr("table PLC", "element part name"); }
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QString xmlName () const override { return QString("plc_table"); }
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const QDomElement toXml (QDomDocument &) const override;
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void fromXml (const QDomElement &) override;
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QRectF rect() const;
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void setRect(const QRectF &rect);
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QRectF sceneGeometricRect() const override;
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QPainterPath shape () const override;
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QPainterPath shadowShape() const override;
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QRectF boundingRect() const override;
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bool isUseless() const override;
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void startUserTransformation(const QRectF &) override;
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void handleUserTransformation(const QRectF &, const QRectF &) override;
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void addHandler() override;
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void removeHandler() override;
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protected:
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
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QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
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bool sceneEventFilter(QGraphicsItem *watched, QEvent *event) override;
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private:
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void switchResizeMode();
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void adjustHandlerPos();
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void handlerMousePressEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
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void handlerMouseMoveEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
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void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
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QSizeF calculateTableSize() const;
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private:
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QRectF m_rect,
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m_old_rect;
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QList<QPointF> saved_points_;
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int m_resize_mode = 1,
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m_vector_index = -1;
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QVector<QetGraphicsHandlerItem *> m_handler_vector;
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};
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#endif // PARTPLCTABLE_H
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