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43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
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/** \ingroup gui
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* \class QgsGraduatedHistogramWidget
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* \brief Graphical histogram for displaying distribution of field values and
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* editing range breaks for a QgsGraduatedSymbolRendererV2 renderer.
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*
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* \note Added in version 2.9
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*/
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class QgsGraduatedHistogramWidget : QWidget
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{
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%TypeHeaderCode
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#include <qgsgraduatedhistogramwidget.h>
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%End
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public:
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/** QgsGraduatedHistogramWidget constructor
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* @param parent parent widget
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*/
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QgsGraduatedHistogramWidget( QWidget *parent /TransferThis/ = 0 );
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~QgsGraduatedHistogramWidget();
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/** Sets the QgsGraduatedSymbolRendererV2 renderer associated with the histogram.
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* The histogram will fetch the ranges from the renderer before every refresh.
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* @param renderer associated QgsGraduatedSymbolRendererV2
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*/
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void setRenderer( QgsGraduatedSymbolRendererV2* renderer );
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signals:
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/** Emitted when the user modifies the graduated ranges using the histogram widget.
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* @param rangesAdded true if the user has added ranges, false if the user has just
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* modified existing range breaks
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*/
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void rangesModified( bool rangesAdded );
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protected:
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virtual void drawHistogram();
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};
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