A tool button that allows enabling or disabling legend filter by contents of the map. More...

#include <qgslegendfilterbutton.h>

Inheritance diagram for QgsLegendFilterButton:

Signals
void	expressionTextChanged ()
	Emitted when the expression text changes. More...

Public Member Functions
	QgsLegendFilterButton (QWidget *parent=nullptr)
	Construct a new filter legend button. More...

QString	expressionText () const
	Returns the current text used as filter expression. More...

void	setExpressionText (const QString &expression)
	Sets the current text used as filter expression. More...

void	setVectorLayer (QgsVectorLayer *layer)
	Sets the associated vectorLayer May be `nullptr`. More...

QgsVectorLayer *	vectorLayer () const
	Returns the current associated vectorLayer May be `nullptr`. More...

Detailed Description

A tool button that allows enabling or disabling legend filter by contents of the map.

An additional pop down menu allows defining a boolean expression to refine the filtering.

Since: QGIS 2.14

Definition at line 31 of file qgslegendfilterbutton.h.

Constructor & Destructor Documentation

◆ QgsLegendFilterButton()

QgsLegendFilterButton::QgsLegendFilterButton ( QWidget * parent = nullptr )

Construct a new filter legend button.

Parameters

parent The parent QWidget

Definition at line 24 of file qgslegendfilterbutton.cpp.

Member Function Documentation

◆ expressionText()

QString QgsLegendFilterButton::expressionText ( ) const

Returns the current text used as filter expression.

Definition at line 104 of file qgslegendfilterbutton.cpp.

◆ expressionTextChanged

void QgsLegendFilterButton::expressionTextChanged ( )

signal

Emitted when the expression text changes.

◆ setExpressionText()

void QgsLegendFilterButton::setExpressionText ( const QString & expression )

Sets the current text used as filter expression.

This will update the menu

Definition at line 109 of file qgslegendfilterbutton.cpp.

◆ setVectorLayer()

void QgsLegendFilterButton::setVectorLayer ( QgsVectorLayer * layer )

Sets the associated vectorLayer May be nullptr.

Definition at line 120 of file qgslegendfilterbutton.cpp.

◆ vectorLayer()

QgsVectorLayer * QgsLegendFilterButton::vectorLayer ( ) const

Returns the current associated vectorLayer May be nullptr.

Definition at line 115 of file qgslegendfilterbutton.cpp.

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

/build/qgis-3.20.0+99unstable/src/gui/qgslegendfilterbutton.h
/build/qgis-3.20.0+99unstable/src/gui/qgslegendfilterbutton.cpp

Signals

Public Member Functions