QGIS API Documentation 3.38.0-Grenoble (exported)
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qgslayerpropertieswidget.h
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1/***************************************************************************
2 qgslayerpropertieswidget.h
3 ---------------------
4 begin : June 2012
5 copyright : (C) 2012 by Martin Dobias
6 email : aruntheguy at gmail.com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSLAYERPROPERTIESWIDGET_H
17#define QGSLAYERPROPERTIESWIDGET_H
18
19#include "ui_widget_layerproperties.h"
22#include "qgssymbollayer.h"
23
24class QgsSymbol;
25class QgsSymbolLayer;
27class QgsVectorLayer;
28class QgsMapCanvas;
29class QgsPanelWidget;
30
31#include <QMap>
32#include <QStandardItemModel>
33#include "qgis_gui.h"
34
39class GUI_EXPORT QgsLayerPropertiesWidget : public QgsPanelWidget, public QgsExpressionContextGenerator, private Ui::LayerPropertiesWidget
40{
41 Q_OBJECT
42
43 public:
44
52 QgsLayerPropertiesWidget( QgsSymbolLayer *layer, const QgsSymbol *symbol, QgsVectorLayer *vl, QWidget *parent SIP_TRANSFERTHIS = nullptr );
53
59 void setContext( const QgsSymbolWidgetContext &context );
60
65 QgsSymbolWidgetContext context() const;
66
72 void setDockMode( bool dockMode ) override;
73
74 public slots:
75 void layerTypeChanged();
76 void emitSignalChanged();
77
78 signals:
79 void changed();
81
82 protected:
83 void populateLayerTypes();
84 void updateSymbolLayerWidget( QgsSymbolLayer *layer );
85
87
93 void registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsSymbolLayer::Property key );
94
95 protected: // data
96 QgsSymbolLayer *mLayer = nullptr;
97
98 const QgsSymbol *mSymbol = nullptr;
99 QgsVectorLayer *mVectorLayer = nullptr;
100
101 private slots:
102 void reloadLayer();
103 void mEnabledCheckBox_toggled( bool enabled );
104 void updateProperty();
105
106 private:
107
108 QgsSymbolWidgetContext mContext;
109
110};
111
112#endif //QGSLAYERPROPERTIESWIDGET_H
Abstract interface for generating an expression context.
virtual QgsExpressionContext createExpressionContext() const =0
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
void changeLayer(QgsSymbolLayer *)
Map canvas is a class for displaying all GIS data types on a canvas.
Base class for any widget that can be shown as a inline panel.
virtual void setDockMode(bool dockMode)
Set the widget in dock mode which tells the widget to emit panel widgets and not open dialogs.
A button for controlling property overrides which may apply to a widget.
Property
Data definable properties.
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
Abstract base class for all rendered symbols.
Definition qgssymbol.h:94
Represents a vector layer which manages a vector based data sets.
#define SIP_TRANSFERTHIS
Definition qgis_sip.h:53