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/************************************************************************
* This file has been generated automatically from *
* *
* src/gui/qgshistogramwidget.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.py again *
************************************************************************/
typedef QPointF QwtDoublePoint;
class QgsHistogramWidget : QWidget
{
%Docstring(signature="appended")
Graphical histogram for displaying distributions of field values.
%End
%TypeHeaderCode
#include "qgshistogramwidget.h"
%End
public:
QgsHistogramWidget( QWidget *parent /TransferThis/ = 0, QgsVectorLayer *layer = 0, const QString &fieldOrExp = QString() );
%Docstring
QgsHistogramWidget constructor. If layer and fieldOrExp are specified
then the histogram will be initially populated with the corresponding
values.
:param parent: parent widget
:param layer: source vector layer
:param fieldOrExp: field name or expression string
%End
~QgsHistogramWidget();
QgsVectorLayer *layer();
%Docstring
Returns the layer currently associated with the widget.
.. seealso:: :py:func:`setLayer`
.. seealso:: :py:func:`sourceFieldExp`
%End
QString sourceFieldExp() const;
%Docstring
Returns the source field name or expression used to calculate values
displayed in the histogram.
.. seealso:: :py:func:`setSourceFieldExp`
.. seealso:: :py:func:`layer`
%End
void setPen( const QPen &pen );
%Docstring
Sets the pen to use when drawing histogram bars. If set to Qt.NoPen then
the pen will be automatically calculated. If ranges have been set using
:py:func:`~QgsHistogramWidget.setGraduatedRanges` then the pen and brush
will have no effect.
:param pen: histogram pen
.. seealso:: :py:func:`pen`
.. seealso:: :py:func:`setBrush`
%End
QPen pen() const;
%Docstring
Returns the pen used when drawing histogram bars.
.. seealso:: :py:func:`setPen`
.. seealso:: :py:func:`brush`
%End
void setBrush( const QBrush &brush );
%Docstring
Sets the brush used for drawing histogram bars. If ranges have been set
using :py:func:`~QgsHistogramWidget.setGraduatedRanges` then the pen and
brush will have no effect.
:param brush: histogram brush
.. seealso:: :py:func:`brush`
.. seealso:: :py:func:`setPen`
%End
QBrush brush() const;
%Docstring
Returns the brush used when drawing histogram bars.
.. seealso:: :py:func:`setBrush`
.. seealso:: :py:func:`pen`
%End
void setGraduatedRanges( const QgsRangeList &ranges );
%Docstring
Sets the graduated ranges associated with the histogram. If set, the
ranges will be used to color the histogram bars and for showing vertical
dividers at the histogram breaks.
:param ranges: graduated range list
.. seealso:: :py:func:`graduatedRanges`
%End
QgsRangeList graduatedRanges() const;
%Docstring
Returns the graduated ranges associated with the histogram. If set, the
ranges will be used to color the histogram bars and for showing vertical
dividers at the histogram breaks.
:return: graduated range list
.. seealso:: :py:func:`setGraduatedRanges`
%End
QString xAxisTitle() const;
%Docstring
Returns the title for the histogram's x-axis.
.. seealso:: :py:func:`setXAxisTitle`
.. seealso:: :py:func:`yAxisTitle`
%End
void setXAxisTitle( const QString &title );
%Docstring
Sets the title for the histogram's x-axis.
:param title: x-axis title, or empty string to remove title
.. seealso:: :py:func:`xAxisTitle`
.. seealso:: :py:func:`setYAxisTitle`
%End
QString yAxisTitle() const;
%Docstring
Returns the title for the histogram's y-axis.
.. seealso:: :py:func:`setYAxisTitle`
.. seealso:: :py:func:`xAxisTitle`
%End
void setYAxisTitle( const QString &title );
%Docstring
Sets the title for the histogram's y-axis.
:param title: y-axis title, or empty string to remove title
.. seealso:: :py:func:`yAxisTitle`
.. seealso:: :py:func:`setXAxisTitle`
%End
public slots:
void refreshValues();
%Docstring
Refreshes the values for the histogram by fetching them from the layer.
%End
void refresh();
%Docstring
Redraws the histogram. Calling this slot does not update the values for
the histogram, use :py:func:`~QgsHistogramWidget.refreshValues` to do
this.
%End
void setLayer( QgsVectorLayer *layer );
%Docstring
Sets the vector layer associated with the histogram.
:param layer: source vector layer
.. seealso:: :py:func:`setSourceFieldExp`
%End
void setSourceFieldExp( const QString &fieldOrExp );
%Docstring
Sets the source field or expression to use for values in the histogram.
:param fieldOrExp: field name or expression string
.. seealso:: :py:func:`setLayer`
%End
protected:
virtual void drawHistogram();
%Docstring
Updates and redraws the histogram.
%End
};
/************************************************************************
* This file has been generated automatically from *
* *
* src/gui/qgshistogramwidget.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.py again *
************************************************************************/
|
