#include <plotmagnifier.h>

Inheritance diagram for PlotMagnifier:

Public Types
enum	AxisMode { X_AXIS, Y_AXIS, BOTH_AXES }

Signals
void	rescaled (QRectF new_size)

Public Member Functions
	PlotMagnifier (QWidget *canvas)

virtual void	rescale (double factor) override

void	rescale (double factor, AxisMode axis)

void	setAxisLimits (int axis, double lower, double upper)

void	setDefaultMode (AxisMode mode)

virtual void	widgetWheelEvent (QWheelEvent *event) override

virtual	~PlotMagnifier () override

Public Member Functions inherited from QwtPlotMagnifier
QWidget *	canvas ()
	Return observed plot canvas. More...

const QWidget *	canvas () const
	Return Observed plot canvas. More...

bool	isAxisEnabled (int axis) const

QwtPlot *	plot ()
	Return plot widget, containing the observed plot canvas. More...

const QwtPlot *	plot () const
	Return plot widget, containing the observed plot canvas. More...

	QwtPlotMagnifier (QWidget *)

void	setAxisEnabled (int axis, bool on)
	En/Disable an axis. More...

virtual	~QwtPlotMagnifier ()
	Destructor. More...

Public Member Functions inherited from QwtMagnifier
virtual bool	eventFilter (QObject , QEvent )
	Event filter. More...

void	getMouseButton (Qt::MouseButton &, Qt::KeyboardModifiers &) const

void	getZoomInKey (int &key, Qt::KeyboardModifiers &) const
	Retrieve the settings of the zoom in key. More...

void	getZoomOutKey (int &key, Qt::KeyboardModifiers &) const
	Retrieve the settings of the zoom out key. More...

bool	isEnabled () const

double	keyFactor () const

double	mouseFactor () const

QWidget *	parentWidget ()

const QWidget *	parentWidget () const

	QwtMagnifier (QWidget *)

void	setEnabled (bool)
	En/disable the magnifier. More...

void	setKeyFactor (double)
	Change the key factor. More...

void	setMouseButton (Qt::MouseButton, Qt::KeyboardModifiers=Qt::NoModifier)

void	setMouseFactor (double)
	Change the mouse factor. More...

void	setWheelFactor (double)
	Change the wheel factor. More...

void	setWheelModifiers (Qt::KeyboardModifiers)

void	setZoomInKey (int key, Qt::KeyboardModifiers=Qt::NoModifier)

void	setZoomOutKey (int key, Qt::KeyboardModifiers=Qt::NoModifier)

double	wheelFactor () const

Qt::KeyboardModifiers	wheelModifiers () const

virtual	~QwtMagnifier ()
	Destructor. More...

Protected Member Functions
virtual void	widgetMousePressEvent (QMouseEvent *event) override

Protected Member Functions inherited from QwtMagnifier
virtual void	widgetKeyPressEvent (QKeyEvent *)

virtual void	widgetKeyReleaseEvent (QKeyEvent *)

virtual void	widgetMouseMoveEvent (QMouseEvent *)

virtual void	widgetMouseReleaseEvent (QMouseEvent *)

Protected Attributes
double	_lower_bounds [QwtPlot::axisCnt]

QPointF	_mouse_position

double	_upper_bounds [QwtPlot::axisCnt]

Private Member Functions
QPointF	invTransform (QPoint pos)

Private Attributes
AxisMode	_default_mode

QTimer	_future_emit

Detailed Description

Definition at line 9 of file plotmagnifier.h.

Member Enumeration Documentation

enum PlotMagnifier::AxisMode

Enumerator
X_AXIS
Y_AXIS
BOTH_AXES

Definition at line 20 of file plotmagnifier.h.

Constructor & Destructor Documentation

PlotMagnifier::PlotMagnifier ( QWidget * canvas )

explicit

Definition at line 8 of file plotmagnifier.cpp.

PlotMagnifier::~PlotMagnifier ( )

overridevirtual

Definition at line 19 of file plotmagnifier.cpp.

Member Function Documentation

QPointF PlotMagnifier::invTransform ( QPoint pos )

private

Definition at line 120 of file plotmagnifier.cpp.

virtual void PlotMagnifier::rescale ( double factor )

inlineoverridevirtual

Zoom in/out the axes scales

Parameters

factor A value < 1.0 zooms in, a value > 1.0 zooms out.

Reimplemented from QwtPlotMagnifier.

Definition at line 22 of file plotmagnifier.h.

void PlotMagnifier::rescale	(	double	factor,
		AxisMode	axis
	)

Definition at line 30 of file plotmagnifier.cpp.

void PlotMagnifier::rescaled ( QRectF new_size )

signal

void PlotMagnifier::setAxisLimits	(	int	axis,
		double	lower,
		double	upper
	)

Definition at line 21 of file plotmagnifier.cpp.

void PlotMagnifier::setDefaultMode ( AxisMode mode )

inline

Definition at line 27 of file plotmagnifier.h.

void PlotMagnifier::widgetMousePressEvent ( QMouseEvent * mouseEvent )

overrideprotectedvirtual

Handle a mouse press event for the observed widget.

Parameters

mouseEvent Mouse event

See also: eventFilter(), widgetMouseReleaseEvent(), widgetMouseMoveEvent()

Reimplemented from QwtMagnifier.

Definition at line 133 of file plotmagnifier.cpp.

void PlotMagnifier::widgetWheelEvent ( QWheelEvent * wheelEvent )

overridevirtual

Handle a wheel event for the observed widget.

Parameters

wheelEvent Wheel event

See also: eventFilter()

Reimplemented from QwtMagnifier.

Definition at line 127 of file plotmagnifier.cpp.

Member Data Documentation

AxisMode PlotMagnifier::_default_mode

private

Definition at line 45 of file plotmagnifier.h.

QTimer PlotMagnifier::_future_emit

private

Definition at line 44 of file plotmagnifier.h.

double PlotMagnifier::_lower_bounds[QwtPlot::axisCnt]

protected

Definition at line 34 of file plotmagnifier.h.

QPointF PlotMagnifier::_mouse_position

protected

Definition at line 37 of file plotmagnifier.h.

double PlotMagnifier::_upper_bounds[QwtPlot::axisCnt]

protected

Definition at line 35 of file plotmagnifier.h.

The documentation for this class was generated from the following files:

Public Types

Signals

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation