QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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qgspointclusterrendererwidget.h
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1/***************************************************************************
2 qgspointclusterrendererwidget.h
3 -------------------------------
4 begin : February 2016
5 copyright : (C) 2016 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef QGSPOINTCLUSTERRENDERERWIDGET_H
19#define QGSPOINTCLUSTERRENDERERWIDGET_H
20
21#include "ui_qgspointclusterrendererwidgetbase.h"
22#include "qgis_sip.h"
23#include "qgsrendererwidget.h"
25#include "qgis_gui.h"
26
28
35class GUI_EXPORT QgsPointClusterRendererWidget: public QgsRendererWidget, private Ui::QgsPointClusterRendererWidgetBase
36{
37 Q_OBJECT
38
39 public:
40
48 static QgsRendererWidget *create( QgsVectorLayer *layer, QgsStyle *style, QgsFeatureRenderer *renderer ) SIP_FACTORY;
49
57
59
60 QgsFeatureRenderer *renderer() override;
61 void setContext( const QgsSymbolWidgetContext &context ) override;
62
64
65 private:
66 std::unique_ptr< QgsPointClusterRenderer > mRenderer;
67
68 void blockAllSignals( bool block );
69 void setupBlankUi( const QString &layerName );
70
71 private slots:
72
73 void mRendererComboBox_currentIndexChanged( int index );
74 void mDistanceSpinBox_valueChanged( double d );
75 void mDistanceUnitWidget_changed();
76 void mRendererSettingsButton_clicked();
77 void centerSymbolChanged();
78 void updateRendererFromWidget();
79};
80
81#endif // QGSPOINTCLUSTERRENDERERWIDGET_H
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Abstract base class for all 2D vector feature renderers.
A widget which allows configuration of the properties for a QgsPointClusterRenderer.
~QgsPointClusterRendererWidget() override
A renderer that automatically clusters points with the same geographic position.
Base class for renderer settings widgets.
virtual void setContext(const QgsSymbolWidgetContext &context)
Sets the context in which the renderer widget is shown, e.g., the associated map canvas and expressio...
virtual QgsFeatureRenderer * renderer()=0
Returns pointer to the renderer (no transfer of ownership)
QgsExpressionContext createExpressionContext() const override
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
Represents a vector layer which manages a vector based data sets.
#define SIP_FACTORY
Definition qgis_sip.h:76