File indexing completed on 2024-05-19 04:36:39

 /* This file is part of the TikZKit project.
  *
  * Copyright (C) 2013-2014 Dominik Haumann <dhaumann@kde.org>
  *
  * This library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library General Public License as published
  * by the Free Software Foundation, either version 2 of the License, or
  * (at your option) any later version.
  *
  * This library 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 Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, see
  * <http://www.gnu.org/licenses/>.
  */
 
 #ifndef TIKZ_UI_RULER_H
 #define TIKZ_UI_RULER_H
 
 #include "tikzui_export.h"
 
 #include <tikz/core/Value.h>
 #include <tikz/core/tikz.h>
 
 #include <QWidget>
 #include <QMouseEvent>
 #include <QPainter>
 
 namespace tikz {
 namespace ui {
 
 class TIKZKITUI_EXPORT Ruler : public QWidget
 {
     Q_OBJECT
     Q_PROPERTY(qreal origin READ origin WRITE setOrigin)
     Q_PROPERTY(tikz::Unit unit READ unit WRITE setUnit)
     Q_PROPERTY(qreal zoom READ zoom WRITE setZoom)
 
 public:
     Ruler(Qt::Orientation orientation, QWidget* parent = nullptr);
 
     QSize minimumSizeHint() const override;
 
     Qt::Orientation orientation() const;
 
     qreal origin() const;
 
     tikz::Unit unit() const;
 
     qreal zoom() const;
 
 public Q_SLOTS:
 
     void setOrigin(qreal origin);
 
     void setUnit(tikz::Unit unit);
 
     void setZoom(qreal zoom);
 
     void setMousePos(const QPoint & cursorPos);
 
 protected:
     /**
      * Reimplement to update mouse position.
      */
     void mouseMoveEvent(QMouseEvent* event) override;
 
     /**
      * Implement painting of the ruler.
      */
     void paintEvent(QPaintEvent* event) override;
 
 private:
     /**
      * Draw indicator for the current mouse position.
      */
     void drawMouseTick(QPainter* painter);
 
     /**
      * Returns physical dpi depending on the orientation.
      */
     qreal physicalDpi() const;
 
 private:
     Qt::Orientation m_orientation;
     qreal m_origin;
     tikz::Unit m_unit;
     qreal m_zoom;
     QPoint m_mousePos;
 };
 
 }
 }
 
 #endif // TIKZ_UI_RULER_H
 
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