Changeset - d4a271f3d46a
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Hasan Yavuz ÖZDERYA - 9 years ago 2017-04-12 15:49:09
hy@ozderya.net
show zoom selection size in the tracker text
2 files changed with 22 insertions and 2 deletions:
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src/zoomer.cpp
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/*
 
  Copyright © 2016 Hasan Yavuz Özderya
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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.
 
@@ -43,12 +43,28 @@ void Zoomer::zoom(int up)
 
}
 

	
 
void Zoomer::zoom( const QRectF & rect)
 
{
 
    // set the zoom base when user zooms in to first level
 
    if (zoomRectIndex() == 0)
 
    {
 
        this->setZoomBase(false);
 
    }
 

	
 
    ScrollZoomer::zoom(rect);
 
}
 

	
 
QwtText Zoomer::trackerTextF(const QPointF& pos) const
 
{
 
    QwtText b = ScrollZoomer::trackerTextF(pos);
 

	
 
    const QPolygon pa = selection();
 
    const QRectF rect = invTransform(QRect(pa.first(), pa.last()).normalized());
 

	
 
    QString sizeText = QString(" [%1, %2]").\
 
        arg(rect.width(), 0, 'g', 4).\
 
        arg(rect.height(), 0, 'g', 4);
 

	
 
    b.setText(b.text() + sizeText);
 

	
 
    return b;
 
}
src/zoomer.h
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/*
 
  Copyright © 2016 Hasan Yavuz Özderya
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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.
 
@@ -24,15 +24,19 @@
 

	
 
class Zoomer : public ScrollZoomer
 
{
 
    Q_OBJECT
 

	
 
public:
 
    Zoomer(QWidget *, bool doReplot=true);
 
    void zoom(int up);
 
    void zoom( const QRectF & );
 

	
 
signals:
 
    void unzoomed();
 

	
 
protected:
 
    /// Re-implemented to display selection size in the tracker text.
 
    QwtText trackerTextF(const QPointF &pos) const;
 
};
 

	
 
#endif // ZOOMER_H
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