/usr/include/qwt-qt4/qwt_magnifier.h is in libqwt5-qt4-dev 5.2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_MAGNIFIER_H
#define QWT_MAGNIFIER_H 1
#include "qwt_global.h"
#include <qobject.h>
class QWidget;
class QMouseEvent;
class QWheelEvent;
class QKeyEvent;
/*!
\brief QwtMagnifier provides zooming, by magnifying in steps.
Using QwtMagnifier a plot can be zoomed in/out in steps using
keys, the mouse wheel or moving a mouse button in vertical direction.
*/
class QWT_EXPORT QwtMagnifier: public QObject
{
Q_OBJECT
public:
explicit QwtMagnifier(QWidget *);
virtual ~QwtMagnifier();
QWidget *parentWidget();
const QWidget *parentWidget() const;
void setEnabled(bool);
bool isEnabled() const;
// mouse
void setMouseFactor(double);
double mouseFactor() const;
void setMouseButton(int button, int buttonState = Qt::NoButton);
void getMouseButton(int &button, int &buttonState) const;
// mouse wheel
void setWheelFactor(double);
double wheelFactor() const;
void setWheelButtonState(int buttonState);
int wheelButtonState() const;
// keyboard
void setKeyFactor(double);
double keyFactor() const;
void setZoomInKey(int key, int modifiers);
void getZoomInKey(int &key, int &modifiers) const;
void setZoomOutKey(int key, int modifiers);
void getZoomOutKey(int &key, int &modifiers) const;
virtual bool eventFilter(QObject *, QEvent *);
protected:
/*!
Rescale the parent widget
\param factor Scale factor
*/
virtual void rescale(double factor) = 0;
virtual void widgetMousePressEvent(QMouseEvent *);
virtual void widgetMouseReleaseEvent(QMouseEvent *);
virtual void widgetMouseMoveEvent(QMouseEvent *);
virtual void widgetWheelEvent(QWheelEvent *);
virtual void widgetKeyPressEvent(QKeyEvent *);
virtual void widgetKeyReleaseEvent(QKeyEvent *);
private:
class PrivateData;
PrivateData *d_data;
};
#endif
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