parttext.h

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.
    
    QElectroTech 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.
    
    QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PART_TEXT_H
#define PART_TEXT_H
#include <QtWidgets>
#include "customelementpart.h"
#include "qetapp.h"
class TextEditor;
class ElementPrimitiveDecorator;
class PartText : public QGraphicsTextItem, public CustomElementPart
{
    Q_OBJECT

    Q_PROPERTY(qreal real_size READ realSize WRITE setRealSize)
    Q_PROPERTY(QColor color READ defaultTextColor WRITE setDefaultTextColor NOTIFY colorChanged)
    Q_PROPERTY(QString text READ toPlainText WRITE setPlainText NOTIFY plainTextChanged)
    Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)

    signals:
        void fontChanged(const QFont &font);
        void colorChanged(const QColor &color);
        void plainTextChanged(const QString &text);
    
        // constructors, destructor
    public:
        PartText(QETElementEditor *, QGraphicsItem * = nullptr);
        ~PartText() override;
    
    private:
        PartText(const PartText &);
    
        // methods
    public:
        enum { Type = UserType + 1107 };
        int type() const override { return Type; }
        QString name() const override { return(QObject::tr("texte", "element part name")); }
        QString xmlName() const override { return(QString("text")); }
        void fromXml(const QDomElement &) override;
        const QDomElement toXml(QDomDocument &) const override;
        void setRotation(qreal angle) {(QGraphicsObject::setRotation(QET::correctAngle(angle)));}
        bool isUseless() const override;
        QRectF sceneGeometricRect() const override;
        void startUserTransformation(const QRectF &) override;
        void handleUserTransformation(const QRectF &, const QRectF &) override;

        void setProperty(const char *name, const QVariant &value) override {QGraphicsTextItem::setProperty(name, value);}
        QVariant property(const char *name) const override {return QGraphicsTextItem::property(name);}

        qreal realSize() const {return real_font_size_;}
        void setRealSize(qreal rs) {real_font_size_ = rs;}
        void setDefaultTextColor(const QColor &color);
        void setPlainText(const QString &text);
        void setFont(const QFont &font);
    
    public slots:
        void adjustItemPosition(int = 0);
        void setEditable(bool);
        void startEdition();
        void endEdition();
    
    protected:
        void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
        void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
        void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
        void focusInEvent(QFocusEvent *) override;
        void focusOutEvent(QFocusEvent *) override;
        void keyPressEvent(QKeyEvent *) override;
        void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *) override;
        QVariant itemChange(GraphicsItemChange, const QVariant &) override;
        QRectF boundingRect() const override;
    
    private:
        QPointF margin() const;
        QString previous_text;
        qreal real_font_size_;
        QPointF saved_point_;
        qreal saved_font_size_;
        QGraphicsItem *decorator_;
        QPointF m_origine_pos;
};
#endif