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92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
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/*
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Copyright 2006-2010 Xavier Guerrin
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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 Q_TEXT_ORIENTATION_WIDGET_H
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#define Q_TEXT_ORIENTATION_WIDGET_H
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#include <QtGui>
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/**
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Cette classe permet de representer graphiquement l'orientation d'un texte.
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*/
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class QTextOrientationWidget : public QWidget {
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Q_OBJECT
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// constructeurs, destructeur
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public:
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QTextOrientationWidget(QWidget * = 0);
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virtual ~QTextOrientationWidget();
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private:
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QTextOrientationWidget(const QTextOrientationWidget &);
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QTextOrientationWidget &operator=(const QTextOrientationWidget &);
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// methodes publiques
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public:
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double orientation() const;
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void setFont(const QFont &);
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QFont font() const;
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void setDisplayText(bool);
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bool textDisplayed() const;
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void setUsableTexts(const QStringList &);
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QStringList usableTexts() const;
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bool isReadOnly() const;
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void setReadOnly(bool);
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// slots publics
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public slots:
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void setOrientation(const double &);
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protected:
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virtual QSize sizeHint () const;
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int heightForWidth(int) const;
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virtual void paintEvent(QPaintEvent *);
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void mouseMoveEvent(QMouseEvent *);
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void mouseReleaseEvent(QMouseEvent *);
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// signaux
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signals:
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/**
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Signal emis lorsque l'utilisateur specifie une orientation en cliquant
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sur le widget
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*/
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void orientationChanged(double);
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// attributs prives
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private:
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/// Intervalle entre les petits angles privilegies, en degres
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double squares_interval_;
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/// angle represente
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double current_orientation_;
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/// Booleen indiquant s'il faut afficher ou non un texte
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bool display_text_;
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/// Police utilisee pour le texte affiche
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QFont text_font_;
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/// Hash associant les textes disponible a leur longueur en pixels
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QHash<QString, qreal> text_size_hash_;
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/// Angle specifique a mettre en valeur
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double highlight_angle_;
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/// Booleen indiquant s'il faut mettre en valeur un des angles
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bool must_highlight_angle_;
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/// Booleen indiquant si le widget est en mode "lecture seule" ou non
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bool read_only_;
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// methodes privees
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private:
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QString getMostUsableStringForRadius(const qreal &);
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void generateTextSizeHash();
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bool positionIsASquare(const QPointF &, double * = 0);
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};
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#endif
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