Class representing a piechart widget. More...

#include <piechart.h>

Inheritance diagram for QSint::PieChart:

Public Slots
void	setActiveIndex (int index)
	Sets active column to the index.

void	setActiveIndex (const QModelIndex &index)
	Sets active column to the index.column().

Public Member Functions
void	setMargin (int margin)
	Sets margins between the widget borders and piechart to margin (default is 3).

int	margin () const
	Retrieves current value of the margins between the widget borders and piechart.

Public Member Functions inherited from QSint::PlotterBase
void	setBorderPen (const QPen &pen)
	Sets pen of the plotter's border to pen.

const QPen &	borderPen () const
	Retrieves plotter's border pen.

void	setBackground (const QBrush &brush)
	Sets plotter's background to brush.

const QBrush &	background () const
	Retrieves plotter background.

void	setFont (const QFont &font)
	Sets font of the data item to font.

const QFont &	font () const
	Retrieves data item font.

void	setItemPen (const QPen &pen)
	Sets pen of the data item to pen.

void	setHighlightTextColor (const QColor &color)
	Sets color of the highlighted data item text to color.

const QColor &	highlightTextColor () const
	Retrieves highlighted data item text color.

void	setHighlightPen (const QPen &pen)
	Sets pen of the highlighted data item to pen.

const QPen &	highlightPen () const
	Retrieves highlighted data item pen.

void	setHighlightBrush (const QBrush &brush)
	Sets brush of the highlighted data item to brush.

const QBrush &	highlightBrush () const
	Retrieves highlighted data item brush.

void	setHighlightAlpha (double alpha)

double	highlightAlpha () const
	Retrieves highlighted data item opacity.

void	setAntiAliasing (bool set)
	Enables (set=true, the default) or disables (set=false) painter's antialiasing.

AxisBase *	axisX () const
	Retrieves X axis object.

AxisBase *	axisY () const
	Retrieves Y axis object.

void	setModel (QAbstractItemModel *model)
	Sets data model to model.

QAbstractItemModel *	model () const
	Retrieves active data model or NULL if not set.

QRect	dataRect () const
	Retrieves data rectangle (excluding margins and axes).

const QPoint &	mousePos () const
	Retrieves current mouse cursor position in local coordinates.

QPoint	globalMousePos () const
	Retrieves current mouse cursor position in global coordinates.

const QModelIndex &	highlightedIndex () const
	Retrieves highlighted data model index, or invalid QModelIndex if nothing highlighted.

Protected Member Functions
virtual void	drawContent (QPainter &p)
	Draws content of the plotter.

virtual void	drawSegment (QPainter &p, const QRect &pieRect, const QModelIndex &index, double value, double angle1, double angle2, bool isHighlighted)

virtual void	drawValue (QPainter &p, const QRect &pieRect, const QModelIndex &index, double value, double angle1, double angle2, bool isHighlighted)

Protected Member Functions inherited from QSint::PlotterBase
virtual void	drawBackground (QPainter &p)
	Draws default background of the plotter.

virtual void	drawForeground (QPainter &p)
	Draws default foreground of the plotter.

virtual void	drawAxes (QPainter &p)
	Draws axes of the plotter.

Additional Inherited Members
Signals inherited from QSint::PlotterBase
void	entered (const QModelIndex &index)

void	pressed (const QModelIndex &index)
	Emitted when the mouse button has been pressed over the data item at index.

void	clicked (const QModelIndex &index)
	Emitted when the mouse button has been clicked over the data item at index.

void	doubleClicked (const QModelIndex &index)
	Emitted when the mouse button has been double clicked over the data item at index.

Detailed Description

Class representing a piechart widget.

Since: 0.2.1

An example of PieChart

PieChart represents single column of the model as a pie chart diagram. Use setActiveIndex() method to choose the active column within the model.

Member Function Documentation

void QSint::PieChart::drawSegment	(	QPainter &	p,
		const QRect &	pieRect,
		const QModelIndex &	index,
		double	value,
		double	angle1,
		double	angle2,
		bool	isHighlighted
	)

protectedvirtual

Draws a signle pie chart segment using QPainter p. Chart is to be drawn in the rectangle pieRect. Current model index of the segment in index, current value is value. angle1 and angle2 are start and end angles of the segment (in gradus). isHighlighted is true when the segment is highlighted.

void QSint::PieChart::drawValue	(	QPainter &	p,
		const QRect &	pieRect,
		const QModelIndex &	index,
		double	value,
		double	angle1,
		double	angle2,
		bool	isHighlighted
	)

protectedvirtual

Draws value signle pie chart segment using QPainter p. Chart is to be drawn in the rectangle pieRect. Current model index of the segment in index, current value is value. angle1 and angle2 are start and end angles of the segment (in gradus). isHighlighted is true when the segment is highlighted.

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

src/Charts/piechart.h
src/Charts/piechart.cpp

Public Slots

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation