QGIS API Documentation
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src
gui
editorwidgets
qgstextwidgetwrapper.h
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/***************************************************************************
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qgstextwidgetwrapper.h
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---------------------
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begin : 28.12.2022
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copyright : (C) 2022 by Alessandro Pasotti
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email : elpaso at itopen dot it
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSTEXTWIDGETWRAPPER_H
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#define QGSTEXTWIDGETWRAPPER_H
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#include "
qgswidgetwrapper.h
"
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#include "qgis_gui.h"
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#include <QLabel>
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class
GUI_EXPORT
QgsTextWidgetWrapper
:
public
QgsWidgetWrapper
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{
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Q_OBJECT
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public
:
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QgsTextWidgetWrapper
(
QgsVectorLayer
*layer, QWidget *editor, QWidget *parent );
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bool
valid
()
const override
;
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QWidget *
createWidget
( QWidget *parent )
override
;
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void
initWidget
( QWidget *editor )
override
;
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void
reinitWidget();
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void
setText(
const
QString &text );
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bool
needsGeometry()
const
;
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private
slots:
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void
updateTextContext( );
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public
slots:
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void
setFeature
(
const
QgsFeature
&feature )
override
;
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private
:
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QString mText;
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QLabel *mWidget =
nullptr
;
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QgsFeature
mFeature;
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QgsFeature
mFormFeature;
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bool
mRequiresFormScope =
false
;
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QgsExpressionContext
mTextContext;
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bool
mNeedsGeometry =
false
;
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friend
class
TestQgsTextWidgetWrapper;
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};
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#endif
// QGSTEXTWIDGETWRAPPER_H
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition
qgsexpressioncontext.h:471
QgsFeature
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition
qgsfeature.h:58
QgsTextWidgetWrapper
Wraps a label widget to display text.
Definition
qgstextwidgetwrapper.h:29
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition
qgsvectorlayer.h:401
QgsWidgetWrapper
Manages an editor widget Widget and wrapper share the same parent.
Definition
qgswidgetwrapper.h:53
QgsWidgetWrapper::setFeature
virtual void setFeature(const QgsFeature &feature)=0
Is called when the value of the widget needs to be changed.
QgsWidgetWrapper::valid
virtual bool valid() const =0
Returns true if the widget has been properly initialized.
QgsWidgetWrapper::initWidget
virtual void initWidget(QWidget *editor)
This method should initialize the editor widget with runtime data.
Definition
qgswidgetwrapper.cpp:107
QgsWidgetWrapper::createWidget
virtual QWidget * createWidget(QWidget *parent)=0
This method should create a new widget with the provided parent.
qgswidgetwrapper.h
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