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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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c801c3e0a5
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4091 bfdf4180-ca20-0410-9c96-a3a8aa849046
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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Copyright 2006-2015 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 DIAGRAM_TEXT_ITEM_H
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#define DIAGRAM_TEXT_ITEM_H
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#include <QGraphicsTextItem>
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class Diagram;
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class QDomElement;
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class QDomDocument;
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/**
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This class represents a selectable, movable and editable text field on a
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diagram.
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@see QGraphicsItem::GraphicsItemFlags
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*/
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class DiagramTextItem : public QGraphicsTextItem
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{
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Q_OBJECT
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public:
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DiagramTextItem(QGraphicsItem * = 0);
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DiagramTextItem(const QString &, QGraphicsItem * = 0);
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private:
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void build();
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public:
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enum { Type = UserType + 1004 };
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virtual int type() const { return Type; }
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Diagram *diagram() const;
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virtual void fromXml(const QDomElement &) = 0;
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virtual QDomElement toXml(QDomDocument &) const;
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qreal rotationAngle() const;
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void setRotationAngle(const qreal &);
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void rotateBy(const qreal &);
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void edit();
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QPointF mapMovementToScene (const QPointF &) const;
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QPointF mapMovementFromScene (const QPointF &) const;
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QPointF mapMovementToParent (const QPointF &) const;
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QPointF mapMovementFromParent (const QPointF &) const;
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void setFontSize(int &s);
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void setNoEditable(bool e = true) {no_editable = e;}
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protected:
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virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
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virtual void focusInEvent(QFocusEvent *);
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virtual void focusOutEvent(QFocusEvent *);
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virtual void mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event);
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virtual void mousePressEvent (QGraphicsSceneMouseEvent *event);
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virtual void mouseMoveEvent (QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
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virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
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virtual void applyRotation(const qreal &);
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signals:
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/// signal emitted after text was changed
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void diagramTextChanged(DiagramTextItem *, const QString &, const QString &);
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protected:
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bool m_mouse_hover;
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QString previous_text_;
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qreal rotation_angle_;
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bool no_editable;
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bool m_first_move;
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QPointF m_mouse_to_origin_movement;
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};
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#endif
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