QGIS API Documentation 3.39.0-Master (d85f3c2a281)
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qgscalloutwidget.cpp
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1/***************************************************************************
2 qgscalloutwidget.cpp
3 ---------------------
4 begin : July 2019
5 copyright : (C) 2019 by Nyall Dawson
6 email : nyall dot dawson at gmail dot 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#include "qgscalloutwidget.h"
17#include "qgsvectorlayer.h"
18#include "qgsexpressioncontextutils.h"
19#include "qgsunitselectionwidget.h"
20#include "qgscallout.h"
21#include "qgsnewauxiliaryfielddialog.h"
22#include "qgsnewauxiliarylayerdialog.h"
23#include "qgsauxiliarystorage.h"
24#include "qgslinesymbol.h"
25#include "qgsfillsymbol.h"
26#include "qgsmarkersymbol.h"
27
28QgsExpressionContext QgsCalloutWidget::createExpressionContext() const
29{
30 if ( auto *lExpressionContext = mContext.expressionContext() )
31 return *lExpressionContext;
32
33 QgsExpressionContext expContext( mContext.globalProjectAtlasMapLayerScopes( layer() ) );
34 QgsExpressionContextScope *symbolScope = QgsExpressionContextUtils::updateSymbolScope( nullptr, new QgsExpressionContextScope() );
35 symbolScope->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_SYMBOL_COLOR, QColor(), true ) );
36 expContext << symbolScope;
37
38 // additional scopes
39 const auto constAdditionalExpressionContextScopes = mContext.additionalExpressionContextScopes();
40 for ( const QgsExpressionContextScope &scope : constAdditionalExpressionContextScopes )
41 {
42 expContext.appendScope( new QgsExpressionContextScope( scope ) );
43 }
44
45 //TODO - show actual value
46 expContext.setOriginalValueVariable( QVariant() );
47
48 expContext.setHighlightedVariables( QStringList() << QgsExpressionContext::EXPR_ORIGINAL_VALUE << QgsExpressionContext::EXPR_SYMBOL_COLOR );
49
50 return expContext;
51}
52
53void QgsCalloutWidget::setContext( const QgsSymbolWidgetContext &context )
54{
55 mContext = context;
56 const auto unitSelectionWidgets = findChildren<QgsUnitSelectionWidget *>();
57 for ( QgsUnitSelectionWidget *unitWidget : unitSelectionWidgets )
58 {
59 unitWidget->setMapCanvas( mContext.mapCanvas() );
60 }
61 const auto symbolButtonWidgets = findChildren<QgsSymbolButton *>();
62 for ( QgsSymbolButton *symbolWidget : symbolButtonWidgets )
63 {
64 symbolWidget->setMapCanvas( mContext.mapCanvas() );
65 symbolWidget->setMessageBar( mContext.messageBar() );
66 }
67}
68
69QgsSymbolWidgetContext QgsCalloutWidget::context() const
70{
71 return mContext;
72}
73
74void QgsCalloutWidget::registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsCallout::Property key )
75{
76 button->init( static_cast< int >( key ), callout()->dataDefinedProperties(), QgsCallout::propertyDefinitions(), qobject_cast< QgsVectorLayer * >( mLayer ), true );
77 connect( button, &QgsPropertyOverrideButton::changed, this, &QgsCalloutWidget::updateDataDefinedProperty );
78 connect( button, &QgsPropertyOverrideButton::createAuxiliaryField, this, &QgsCalloutWidget::createAuxiliaryField );
79
80 button->registerExpressionContextGenerator( this );
81}
82
83void QgsCalloutWidget::createAuxiliaryField()
84{
85 // try to create an auxiliary layer if not yet created
86 QgsVectorLayer *vectorLayer = qobject_cast< QgsVectorLayer * >( mLayer );
87 if ( !vectorLayer )
88 return;
89
90 if ( !vectorLayer->auxiliaryLayer() )
91 {
92 QgsNewAuxiliaryLayerDialog dlg( vectorLayer, this );
93 dlg.exec();
94 }
95
96 // return if still not exists
97 if ( !vectorLayer->auxiliaryLayer() )
98 return;
99
100 QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
101 const QgsCallout::Property key = static_cast< QgsCallout::Property >( button->propertyKey() );
102 const QgsPropertyDefinition def = QgsCallout::propertyDefinitions()[static_cast< int >( key )];
103
104 // create property in auxiliary storage if necessary
105 if ( !vectorLayer->auxiliaryLayer()->exists( def ) )
106 {
107 vectorLayer->auxiliaryLayer()->addAuxiliaryField( def );
108 }
109
110 // update property with join field name from auxiliary storage
111 QgsProperty property = button->toProperty();
112 property.setField( QgsAuxiliaryLayer::nameFromProperty( def, true ) );
113 property.setActive( true );
114 button->updateFieldLists();
115 button->setToProperty( property );
116
117 callout()->dataDefinedProperties().setProperty( key, button->toProperty() );
118
119 emit changed();
120}
121
122void QgsCalloutWidget::updateDataDefinedProperty()
123{
124 QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
125 const QgsCallout::Property key = static_cast< QgsCallout::Property >( button->propertyKey() );
126 callout()->dataDefinedProperties().setProperty( key, button->toProperty() );
127 emit changed();
128}
129
131
132//
133// QgsSimpleLineCalloutWidget
134//
135
136QgsSimpleLineCalloutWidget::QgsSimpleLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
137 : QgsCalloutWidget( parent, vl )
138{
139 setupUi( this );
140
141 // Callout options - to move to custom widgets when multiple callout styles exist
142 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
143 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
144 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
145
146 mCalloutLineStyleButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
147 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
148 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
149 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
150 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
151 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
152 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
153
154 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged );
155 connect( mMinCalloutLengthSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::minimumLengthChanged );
156
157 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
158 connect( mOffsetFromAnchorSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromAnchorChanged );
159 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
160 connect( mOffsetFromLabelSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromLabelChanged );
161
162 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsSimpleLineCalloutWidget::drawToAllPartsToggled );
163
164 // Anchor point options
165 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast< int >( QgsCallout::PoleOfInaccessibility ) );
166 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast< int >( QgsCallout::PointOnExterior ) );
167 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast< int >( QgsCallout::PointOnSurface ) );
168 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::Centroid ) );
169 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
170
171 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast< int >( QgsCallout::LabelPointOnExterior ) );
172 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::LabelCentroid ) );
173 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast< int >( QgsCallout::LabelTopLeft ) );
174 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast< int >( QgsCallout::LabelTopMiddle ) );
175 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast< int >( QgsCallout::LabelTopRight ) );
176 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast< int >( QgsCallout::LabelMiddleLeft ) );
177 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast< int >( QgsCallout::LabelMiddleRight ) );
178 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast< int >( QgsCallout::LabelBottomLeft ) );
179 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast< int >( QgsCallout::LabelBottomMiddle ) );
180 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast< int >( QgsCallout::LabelBottomRight ) );
181 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
182
183 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsSimpleLineCalloutWidget::lineSymbolChanged );
184
185 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
186
187 mPlacementDDGroupBox->setVisible( qobject_cast< QgsVectorLayer * >( vl ) );
188}
189
190void QgsSimpleLineCalloutWidget::setCallout( const QgsCallout *callout )
191{
192 if ( !callout )
193 return;
194
195 mCallout.reset( dynamic_cast<QgsSimpleLineCallout *>( callout->clone() ) );
196 if ( !mCallout )
197 return;
198
199 mMinCalloutWidthUnitWidget->blockSignals( true );
200 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
201 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
202 mMinCalloutWidthUnitWidget->blockSignals( false );
203
204 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
205
206 mOffsetFromAnchorUnitWidget->blockSignals( true );
207 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
208 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
209 mOffsetFromAnchorUnitWidget->blockSignals( false );
210 mOffsetFromLabelUnitWidget->blockSignals( true );
211 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
212 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
213 mOffsetFromLabelUnitWidget->blockSignals( false );
214 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
215 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
216
217 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
218
219 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
220
221 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast< int >( callout->anchorPoint() ) ) );
222 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast< int >( callout->labelAnchorPoint() ) ) );
223
224 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
225
226 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
227 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
228 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
229 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
230 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
231 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
232 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
233
234 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
235 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
236 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
237 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
238}
239
240void QgsSimpleLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
241{
242 const bool isPolygon = type == Qgis::GeometryType::Polygon;
243 mAnchorPointLbl->setEnabled( isPolygon );
244 mAnchorPointLbl->setVisible( isPolygon );
245 mAnchorPointComboBox->setEnabled( isPolygon );
246 mAnchorPointComboBox->setVisible( isPolygon );
247 mAnchorPointDDBtn->setEnabled( isPolygon );
248 mAnchorPointDDBtn->setVisible( isPolygon );
249}
250
251QgsCallout *QgsSimpleLineCalloutWidget::callout()
252{
253 return mCallout.get();
254}
255
256void QgsSimpleLineCalloutWidget::minimumLengthChanged()
257{
258 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
259 emit changed();
260}
261
262void QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged()
263{
264 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
265 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
266 emit changed();
267}
268
269void QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
270{
271 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
272 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
273 emit changed();
274}
275
276void QgsSimpleLineCalloutWidget::offsetFromAnchorChanged()
277{
278 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
279 emit changed();
280}
281
282void QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
283{
284 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
285 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
286 emit changed();
287}
288
289void QgsSimpleLineCalloutWidget::offsetFromLabelChanged()
290{
291 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
292 emit changed();
293}
294
295void QgsSimpleLineCalloutWidget::lineSymbolChanged()
296{
297 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol< QgsLineSymbol >() );
298 emit changed();
299}
300
301void QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
302{
303 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
304 emit changed();
305}
306
307void QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
308{
309 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
310 emit changed();
311}
312
313void QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
314{
315 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
316 emit changed();
317}
318
319void QgsSimpleLineCalloutWidget::drawToAllPartsToggled( bool active )
320{
321 mCallout->setDrawCalloutToAllParts( active );
322 emit changed();
323}
324
325
326//
327// QgsManhattanLineCalloutWidget
328//
329
330QgsManhattanLineCalloutWidget::QgsManhattanLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
331 : QgsSimpleLineCalloutWidget( vl, parent )
332{
333
334}
335
336
337//
338// QgsCurvedLineCalloutWidget
339//
340
341QgsCurvedLineCalloutWidget::QgsCurvedLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
342 : QgsCalloutWidget( parent, vl )
343{
344 setupUi( this );
345
346 // Callout options - to move to custom widgets when multiple callout styles exist
347 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
348 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
349 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
350
351 mCalloutLineStyleButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
352 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
353 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
354 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
355 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
356 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
357 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
358
359 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged );
360 connect( mMinCalloutLengthSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::minimumLengthChanged );
361
362 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
363 connect( mOffsetFromAnchorSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromAnchorChanged );
364 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
365 connect( mOffsetFromLabelSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromLabelChanged );
366
367 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsCurvedLineCalloutWidget::drawToAllPartsToggled );
368
369 mOrientationComboBox->addItem( tr( "Automatic" ), static_cast< int >( QgsCurvedLineCallout::Automatic ) );
370 mOrientationComboBox->addItem( tr( "Clockwise" ), static_cast< int >( QgsCurvedLineCallout::Clockwise ) );
371 mOrientationComboBox->addItem( tr( "Counter Clockwise" ), static_cast< int >( QgsCurvedLineCallout::CounterClockwise ) );
372 connect( mOrientationComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [ = ]( int index )
373 {
374 mCallout->setOrientation( static_cast<QgsCurvedLineCallout::Orientation>( mOrientationComboBox->itemData( index ).toInt() ) );
375 emit changed();
376 } );
377
378 // Anchor point options
379 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast< int >( QgsCallout::PoleOfInaccessibility ) );
380 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast< int >( QgsCallout::PointOnExterior ) );
381 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast< int >( QgsCallout::PointOnSurface ) );
382 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::Centroid ) );
383 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
384
385 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast< int >( QgsCallout::LabelPointOnExterior ) );
386 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::LabelCentroid ) );
387 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast< int >( QgsCallout::LabelTopLeft ) );
388 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast< int >( QgsCallout::LabelTopMiddle ) );
389 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast< int >( QgsCallout::LabelTopRight ) );
390 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast< int >( QgsCallout::LabelMiddleLeft ) );
391 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast< int >( QgsCallout::LabelMiddleRight ) );
392 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast< int >( QgsCallout::LabelBottomLeft ) );
393 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast< int >( QgsCallout::LabelBottomMiddle ) );
394 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast< int >( QgsCallout::LabelBottomRight ) );
395 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
396
397 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsCurvedLineCalloutWidget::lineSymbolChanged );
398
399 connect( mCurvatureSlider, &QSlider::valueChanged, this, [ = ]( int value ) { mCurvatureSpinBox->setValue( value / 10.0 ); } );
400 connect( mCurvatureSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, [ = ]( double value ) { whileBlocking( mCurvatureSlider )->setValue( value * 10 ); } );
401 connect( mCurvatureSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, [ = ]( double value )
402 {
403 mCallout->setCurvature( value / 100.0 );
404 emit changed();
405 } );
406
407 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
408
409 mPlacementDDGroupBox->setVisible( qobject_cast< QgsVectorLayer * >( vl ) );
410}
411
412void QgsCurvedLineCalloutWidget::setCallout( const QgsCallout *callout )
413{
414 if ( !callout )
415 return;
416
417 mCallout.reset( dynamic_cast<QgsCurvedLineCallout *>( callout->clone() ) );
418 if ( !mCallout )
419 return;
420
421 mMinCalloutWidthUnitWidget->blockSignals( true );
422 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
423 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
424 mMinCalloutWidthUnitWidget->blockSignals( false );
425
426 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
427
428 mOffsetFromAnchorUnitWidget->blockSignals( true );
429 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
430 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
431 mOffsetFromAnchorUnitWidget->blockSignals( false );
432 mOffsetFromLabelUnitWidget->blockSignals( true );
433 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
434 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
435 mOffsetFromLabelUnitWidget->blockSignals( false );
436 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
437 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
438
439 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
440
441 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
442
443 whileBlocking( mOrientationComboBox )->setCurrentIndex( mOrientationComboBox->findData( static_cast< int >( mCallout->orientation() ) ) );
444
445 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast< int >( callout->anchorPoint() ) ) );
446 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast< int >( callout->labelAnchorPoint() ) ) );
447
448 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
449
450 whileBlocking( mCurvatureSpinBox )->setValue( mCallout->curvature() * 100.0 );
451 whileBlocking( mCurvatureSlider )->setValue( mCallout->curvature() * 1000.0 );
452
453 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
454 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
455 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
456 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
457 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
458 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
459 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
460 registerDataDefinedButton( mCalloutCurvatureDDBtn, QgsCallout::Property::Curvature );
461 registerDataDefinedButton( mCalloutOrientationDDBtn, QgsCallout::Property::Orientation );
462
463 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
464 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
465 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
466 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
467}
468
469void QgsCurvedLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
470{
471 const bool isPolygon = type == Qgis::GeometryType::Polygon;
472 mAnchorPointLbl->setEnabled( isPolygon );
473 mAnchorPointLbl->setVisible( isPolygon );
474 mAnchorPointComboBox->setEnabled( isPolygon );
475 mAnchorPointComboBox->setVisible( isPolygon );
476 mAnchorPointDDBtn->setEnabled( isPolygon );
477 mAnchorPointDDBtn->setVisible( isPolygon );
478}
479
480QgsCallout *QgsCurvedLineCalloutWidget::callout()
481{
482 return mCallout.get();
483}
484
485void QgsCurvedLineCalloutWidget::minimumLengthChanged()
486{
487 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
488 emit changed();
489}
490
491void QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged()
492{
493 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
494 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
495 emit changed();
496}
497
498void QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
499{
500 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
501 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
502 emit changed();
503}
504
505void QgsCurvedLineCalloutWidget::offsetFromAnchorChanged()
506{
507 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
508 emit changed();
509}
510
511void QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
512{
513 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
514 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
515 emit changed();
516}
517
518void QgsCurvedLineCalloutWidget::offsetFromLabelChanged()
519{
520 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
521 emit changed();
522}
523
524void QgsCurvedLineCalloutWidget::lineSymbolChanged()
525{
526 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol< QgsLineSymbol >() );
527 emit changed();
528}
529
530void QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
531{
532 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
533 emit changed();
534}
535
536void QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
537{
538 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
539 emit changed();
540}
541
542void QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
543{
544 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
545 emit changed();
546}
547
548void QgsCurvedLineCalloutWidget::drawToAllPartsToggled( bool active )
549{
550 mCallout->setDrawCalloutToAllParts( active );
551 emit changed();
552}
553
554
555//
556// QgsBalloonCalloutWidget
557//
558
559QgsBalloonCalloutWidget::QgsBalloonCalloutWidget( QgsMapLayer *vl, QWidget *parent )
560 : QgsCalloutWidget( parent, vl )
561{
562 setupUi( this );
563
564 // Callout options - to move to custom widgets when multiple callout styles exist
565 mCalloutFillStyleButton->setSymbolType( Qgis::SymbolType::Fill );
566 mCalloutFillStyleButton->setDialogTitle( tr( "Balloon Symbol" ) );
567 mCalloutFillStyleButton->registerExpressionContextGenerator( this );
568
569 mMarkerSymbolButton->setSymbolType( Qgis::SymbolType::Marker );
570 mMarkerSymbolButton->setDialogTitle( tr( "Marker Symbol" ) );
571 mMarkerSymbolButton->registerExpressionContextGenerator( this );
572 mMarkerSymbolButton->setShowNull( true );
573 mMarkerSymbolButton->setToNull();
574
575 mCalloutFillStyleButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
576 mMarkerSymbolButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
577 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
578 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
579 mMarginUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
580 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
581 mWedgeWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
582 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
583 mCornerRadiusUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
584 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
585
586 mSpinBottomMargin->setClearValue( 0 );
587 mSpinTopMargin->setClearValue( 0 );
588 mSpinRightMargin->setClearValue( 0 );
589 mSpinLeftMargin->setClearValue( 0 );
590 mWedgeWidthSpin->setClearValue( 2.64 );
591 mCornerRadiusSpin->setClearValue( 0.0 );
592
593 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged );
594 connect( mOffsetFromAnchorSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsBalloonCalloutWidget::offsetFromAnchorChanged );
595
596 // Anchor point options
597 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast< int >( QgsCallout::PoleOfInaccessibility ) );
598 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast< int >( QgsCallout::PointOnExterior ) );
599 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast< int >( QgsCallout::PointOnSurface ) );
600 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::Centroid ) );
601 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
602
603 connect( mCalloutFillStyleButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::fillSymbolChanged );
604 connect( mMarkerSymbolButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::markerSymbolChanged );
605
606 connect( mSpinBottomMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
607 {
608 QgsMargins margins = mCallout->margins();
609 margins.setBottom( value );
610 mCallout->setMargins( margins );
611 emit changed();
612 } );
613 connect( mSpinTopMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
614 {
615 QgsMargins margins = mCallout->margins();
616 margins.setTop( value );
617 mCallout->setMargins( margins );
618 emit changed();
619 } );
620 connect( mSpinLeftMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
621 {
622 QgsMargins margins = mCallout->margins();
623 margins.setLeft( value );
624 mCallout->setMargins( margins );
625 emit changed();
626 } );
627 connect( mSpinRightMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
628 {
629 QgsMargins margins = mCallout->margins();
630 margins.setRight( value );
631 mCallout->setMargins( margins );
632 emit changed();
633 } );
634 connect( mMarginUnitWidget, &QgsUnitSelectionWidget::changed, this, [ = ]
635 {
636 mCallout->setMarginsUnit( mMarginUnitWidget->unit() );
637 emit changed();
638 } );
639
640 connect( mWedgeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, [ = ]
641 {
642 mCallout->setWedgeWidthUnit( mWedgeWidthUnitWidget->unit() );
643 mCallout->setWedgeWidthMapUnitScale( mWedgeWidthUnitWidget->getMapUnitScale() );
644 emit changed();
645 } );
646 connect( mWedgeWidthSpin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
647 {
648 mCallout->setWedgeWidth( value );
649 emit changed();
650 } );
651
652 connect( mCornerRadiusUnitWidget, &QgsUnitSelectionWidget::changed, this, [ = ]
653 {
654 mCallout->setCornerRadiusUnit( mCornerRadiusUnitWidget->unit() );
655 mCallout->setCornerRadiusMapUnitScale( mCornerRadiusUnitWidget->getMapUnitScale() );
656 emit changed();
657 } );
658 connect( mCornerRadiusSpin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
659 {
660 mCallout->setCornerRadius( value );
661 emit changed();
662 } );
663
664 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
665
666 mPlacementDDGroupBox->setVisible( qobject_cast< QgsVectorLayer * >( vl ) );
667}
668
669void QgsBalloonCalloutWidget::setCallout( const QgsCallout *callout )
670{
671 if ( !callout )
672 return;
673
674 mCallout.reset( dynamic_cast<QgsBalloonCallout *>( callout->clone() ) );
675 if ( !mCallout )
676 return;
677
678 mOffsetFromAnchorUnitWidget->blockSignals( true );
679 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
680 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
681 mOffsetFromAnchorUnitWidget->blockSignals( false );
682 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
683
684 whileBlocking( mSpinBottomMargin )->setValue( mCallout->margins().bottom() );
685 whileBlocking( mSpinTopMargin )->setValue( mCallout->margins().top() );
686 whileBlocking( mSpinLeftMargin )->setValue( mCallout->margins().left() );
687 whileBlocking( mSpinRightMargin )->setValue( mCallout->margins().right() );
688 whileBlocking( mMarginUnitWidget )->setUnit( mCallout->marginsUnit() );
689
690 mWedgeWidthUnitWidget->blockSignals( true );
691 mWedgeWidthUnitWidget->setUnit( mCallout->wedgeWidthUnit() );
692 mWedgeWidthUnitWidget->setMapUnitScale( mCallout->wedgeWidthMapUnitScale() );
693 mWedgeWidthUnitWidget->blockSignals( false );
694 whileBlocking( mWedgeWidthSpin )->setValue( mCallout->wedgeWidth() );
695
696 mCornerRadiusUnitWidget->blockSignals( true );
697 mCornerRadiusUnitWidget->setUnit( mCallout->cornerRadiusUnit() );
698 mCornerRadiusUnitWidget->setMapUnitScale( mCallout->cornerRadiusMapUnitScale() );
699 mCornerRadiusUnitWidget->blockSignals( false );
700 whileBlocking( mCornerRadiusSpin )->setValue( mCallout->cornerRadius() );
701
702 whileBlocking( mCalloutFillStyleButton )->setSymbol( mCallout->fillSymbol()->clone() );
703 if ( QgsMarkerSymbol *marker = mCallout->markerSymbol() )
704 whileBlocking( mMarkerSymbolButton )->setSymbol( marker->clone() );
705 else
706 whileBlocking( mMarkerSymbolButton )->setToNull();
707
708 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast< int >( callout->anchorPoint() ) ) );
709
710 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
711
712 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
713 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
714 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
715
716 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
717 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
718 registerDataDefinedButton( mMarginsDDBtn, QgsCallout::Property::Margins );
719 registerDataDefinedButton( mWedgeWidthDDBtn, QgsCallout::Property::WedgeWidth );
720 registerDataDefinedButton( mCornerRadiusDDBtn, QgsCallout::Property::CornerRadius );
721}
722
723void QgsBalloonCalloutWidget::setGeometryType( Qgis::GeometryType type )
724{
725 const bool isPolygon = type == Qgis::GeometryType::Polygon;
726 mAnchorPointLbl->setEnabled( isPolygon );
727 mAnchorPointLbl->setVisible( isPolygon );
728 mAnchorPointComboBox->setEnabled( isPolygon );
729 mAnchorPointComboBox->setVisible( isPolygon );
730 mAnchorPointDDBtn->setEnabled( isPolygon );
731 mAnchorPointDDBtn->setVisible( isPolygon );
732}
733
734QgsCallout *QgsBalloonCalloutWidget::callout()
735{
736 return mCallout.get();
737}
738
739void QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged()
740{
741 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
742 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
743 emit changed();
744}
745
746void QgsBalloonCalloutWidget::offsetFromAnchorChanged()
747{
748 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
749 emit changed();
750}
751
752void QgsBalloonCalloutWidget::fillSymbolChanged()
753{
754 mCallout->setFillSymbol( mCalloutFillStyleButton->clonedSymbol< QgsFillSymbol >() );
755 emit changed();
756}
757
758void QgsBalloonCalloutWidget::markerSymbolChanged()
759{
760 mCallout->setMarkerSymbol( mMarkerSymbolButton->isNull() ? nullptr : mMarkerSymbolButton->clonedSymbol< QgsMarkerSymbol >() );
761 emit changed();
762}
763
764void QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
765{
766 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
767 emit changed();
768}
769
770void QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
771{
772 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
773 emit changed();
774}
775
777
Qgis::GeometryType
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
Definition qgis.h:337
Qgis::GeometryType::Polygon
@ Polygon
Polygons.
Qgis::RenderUnit::Millimeters
@ Millimeters
Millimeters.
Qgis::RenderUnit::Points
@ Points
Points (e.g., for font sizes)
Qgis::RenderUnit::MapUnits
@ MapUnits
Map units.
Qgis::RenderUnit::MetersInMapUnits
@ MetersInMapUnits
Meters value as Map units.
Qgis::SymbolType::Marker
@ Marker
Marker symbol.
Qgis::SymbolType::Line
@ Line
Line symbol.
Qgis::SymbolType::Fill
@ Fill
Fill symbol.
QgsAuxiliaryLayer::nameFromProperty
static QString nameFromProperty(const QgsPropertyDefinition &def, bool joined=false)
Returns the name of the auxiliary field for a property definition.
QgsAuxiliaryLayer::addAuxiliaryField
bool addAuxiliaryField(const QgsPropertyDefinition &definition)
Adds an auxiliary field for the given property.
QgsAuxiliaryLayer::exists
bool exists(const QgsPropertyDefinition &definition) const
Returns true if the property is stored in the layer already, false otherwise.
QgsBalloonCallout
A cartoon talking bubble callout style.
Definition qgscallout.h:880
QgsCalloutWidget
Base class for widgets which allow control over the properties of callouts.
Definition qgscalloutwidget.h:35
QgsCalloutWidget::context
QgsSymbolWidgetContext context() const
Returns the context in which the symbol widget is shown, e.g., the associated map canvas and expressi...
Definition qgscalloutwidget.cpp:69
QgsCalloutWidget::createExpressionContext
QgsExpressionContext createExpressionContext() const override
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Definition qgscalloutwidget.cpp:28
QgsCalloutWidget::setContext
virtual void setContext(const QgsSymbolWidgetContext &context)
Sets the context in which the symbol widget is shown, e.g., the associated map canvas and expression ...
Definition qgscalloutwidget.cpp:53
QgsCalloutWidget::callout
virtual QgsCallout * callout()=0
Returns the callout defined by the current settings in the widget.
QgsCalloutWidget::layer
const QgsMapLayer * layer() const
Returns the vector layer associated with the widget.
Definition qgscalloutwidget.h:88
QgsCalloutWidget::changed
void changed()
Should be emitted whenever configuration changes happened on this symbol layer configuration.
QgsCalloutWidget::vectorLayer
Q_DECL_DEPRECATED const QgsVectorLayer * vectorLayer() const
Returns the vector layer associated with the widget.
Definition qgscalloutwidget.h:81
QgsCalloutWidget::registerDataDefinedButton
void registerDataDefinedButton(QgsPropertyOverrideButton *button, QgsCallout::Property key)
Registers a data defined override button.
Definition qgscalloutwidget.cpp:74
QgsCallout
Abstract base class for callout renderers.
Definition qgscallout.h:54
QgsCallout::clone
virtual QgsCallout * clone() const =0
Duplicates a callout by creating a deep copy of the callout.
QgsCallout::dataDefinedProperties
QgsPropertyCollection & dataDefinedProperties()
Returns a reference to the callout's property collection, used for data defined overrides.
Definition qgscallout.h:334
QgsCallout::propertyDefinitions
static QgsPropertiesDefinition propertyDefinitions()
Returns the definitions for data defined properties available for use in callouts.
Definition qgscallout.cpp:194
QgsCallout::anchorPoint
AnchorPoint anchorPoint() const
Returns the feature's anchor point position.
Definition qgscallout.h:364
QgsCallout::labelAnchorPoint
LabelAnchorPoint labelAnchorPoint() const
Returns the label's anchor point position.
Definition qgscallout.h:397
QgsCallout::AnchorPoint
AnchorPoint
Feature's anchor point position.
Definition qgscallout.h:115
QgsCallout::PointOnExterior
@ PointOnExterior
A point on the surface's outline closest to the label is used as anchor for polygon geometries.
Definition qgscallout.h:117
QgsCallout::Centroid
@ Centroid
The surface's centroid is used as anchor for polygon geometries.
Definition qgscallout.h:119
QgsCallout::PointOnSurface
@ PointOnSurface
A point guaranteed to be on the surface is used as anchor for polygon geometries.
Definition qgscallout.h:118
QgsCallout::PoleOfInaccessibility
@ PoleOfInaccessibility
The surface's pole of inaccessibility used as anchor for polygon geometries.
Definition qgscallout.h:116
QgsCallout::LabelAnchorPoint
LabelAnchorPoint
Label's anchor point position.
Definition qgscallout.h:127
QgsCallout::LabelPointOnExterior
@ LabelPointOnExterior
The point on the label's boundary closest to the feature.
Definition qgscallout.h:128
QgsCallout::LabelBottomLeft
@ LabelBottomLeft
Bottom left corner of the label's boundary.
Definition qgscallout.h:135
QgsCallout::LabelBottomMiddle
@ LabelBottomMiddle
Bottom middle of the label's boundary.
Definition qgscallout.h:136
QgsCallout::LabelMiddleLeft
@ LabelMiddleLeft
Middle left of the label's boundary.
Definition qgscallout.h:133
QgsCallout::LabelBottomRight
@ LabelBottomRight
Bottom right corner of the label's boundary.
Definition qgscallout.h:137
QgsCallout::LabelMiddleRight
@ LabelMiddleRight
Middle right of the label's boundary.
Definition qgscallout.h:134
QgsCallout::LabelTopMiddle
@ LabelTopMiddle
Top middle of the label's boundary.
Definition qgscallout.h:131
QgsCallout::LabelTopLeft
@ LabelTopLeft
Top left corner of the label's boundary.
Definition qgscallout.h:130
QgsCallout::LabelCentroid
@ LabelCentroid
The labe's centroid.
Definition qgscallout.h:129
QgsCallout::LabelTopRight
@ LabelTopRight
Top right corner of the label's boundary.
Definition qgscallout.h:132
QgsCallout::Property
Property
Data definable properties.
Definition qgscallout.h:86
QgsCallout::Property::MinimumCalloutLength
@ MinimumCalloutLength
Minimum length of callouts.
QgsCallout::Property::LabelAnchorPointPosition
@ LabelAnchorPointPosition
Label's anchor point position.
QgsCallout::Property::CornerRadius
@ CornerRadius
Balloon callout corner radius.
QgsCallout::Property::OffsetFromAnchor
@ OffsetFromAnchor
Distance to offset lines from anchor points.
QgsCallout::Property::OffsetFromLabel
@ OffsetFromLabel
Distance to offset lines from label area.
QgsCallout::Property::DestinationX
@ DestinationX
X-coordinate of callout destination (feature anchor)
QgsCallout::Property::DestinationY
@ DestinationY
Y-coordinate of callout destination (feature anchor)
QgsCallout::Property::WedgeWidth
@ WedgeWidth
Balloon callout wedge width.
QgsCallout::Property::AnchorPointPosition
@ AnchorPointPosition
Feature's anchor point position.
QgsCallout::Property::OriginX
@ OriginX
X-coordinate of callout origin (label anchor)
QgsCallout::Property::OriginY
@ OriginY
Y-coordinate of callout origin (label anchor)
QgsCallout::Property::Curvature
@ Curvature
Curvature of curved line callouts.
QgsCallout::Property::BlendMode
@ BlendMode
Callout blend mode.
QgsCallout::Property::Orientation
@ Orientation
Orientation of curved line callouts.
QgsCallout::Property::Margins
@ Margins
Margin from text.
QgsCallout::Property::DrawCalloutToAllParts
@ DrawCalloutToAllParts
Whether callout lines should be drawn to all feature parts.
QgsCurvedLineCallout
Draws curved lines as callouts.
Definition qgscallout.h:785
QgsCurvedLineCallout::Orientation
Orientation
Curve orientation.
Definition qgscallout.h:792
QgsCurvedLineCallout::Clockwise
@ Clockwise
Curve lines in a clockwise direction.
Definition qgscallout.h:794
QgsCurvedLineCallout::CounterClockwise
@ CounterClockwise
Curve lines in a counter-clockwise direction.
Definition qgscallout.h:795
QgsCurvedLineCallout::Automatic
@ Automatic
Automatically choose most cartographically pleasing orientation based on label and callout arrangemen...
Definition qgscallout.h:793
QgsDoubleSpinBox
The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value.
Definition qgsdoublespinbox.h:43
QgsExpressionContextScope
Single scope for storing variables and functions for use within a QgsExpressionContext.
Definition qgsexpressioncontext.h:115
QgsExpressionContextScope::addVariable
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
Definition qgsexpressioncontext.cpp:102
QgsExpressionContextUtils::updateSymbolScope
static QgsExpressionContextScope * updateSymbolScope(const QgsSymbol *symbol, QgsExpressionContextScope *symbolScope=nullptr)
Updates a symbol scope related to a QgsSymbol to an expression context.
Definition qgsexpressioncontextutils.cpp:587
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition qgsexpressioncontext.h:471
QgsExpressionContext::setOriginalValueVariable
void setOriginalValueVariable(const QVariant &value)
Sets the original value variable value for the context.
Definition qgsexpressioncontext.cpp:708
QgsExpressionContext::EXPR_SYMBOL_COLOR
static const QString EXPR_SYMBOL_COLOR
Inbuilt variable name for symbol color variable.
Definition qgsexpressioncontext.h:884
QgsExpressionContext::appendScope
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
Definition qgsexpressioncontext.cpp:602
QgsExpressionContext::setHighlightedVariables
void setHighlightedVariables(const QStringList &variableNames)
Sets the list of variable names within the context intended to be highlighted to the user.
Definition qgsexpressioncontext.cpp:412
QgsExpressionContext::EXPR_ORIGINAL_VALUE
static const QString EXPR_ORIGINAL_VALUE
Inbuilt variable name for value original value variable.
Definition qgsexpressioncontext.h:882
QgsFillSymbol
A fill symbol type, for rendering Polygon and MultiPolygon geometries.
Definition qgsfillsymbol.h:30
QgsLineSymbol
A line symbol type, for rendering LineString and MultiLineString geometries.
Definition qgslinesymbol.h:30
QgsMapLayer
Base class for all map layer types.
Definition qgsmaplayer.h:76
QgsMargins
The QgsMargins class defines the four margins of a rectangle.
Definition qgsmargins.h:37
QgsMargins::setBottom
void setBottom(double bottom)
Sets the bottom margin to bottom.
Definition qgsmargins.h:113
QgsMargins::setLeft
void setLeft(double left)
Sets the left margin to left.
Definition qgsmargins.h:95
QgsMargins::setRight
void setRight(double right)
Sets the right margin to right.
Definition qgsmargins.h:107
QgsMargins::setTop
void setTop(double top)
Sets the top margin to top.
Definition qgsmargins.h:101
QgsMarkerSymbol
A marker symbol type, for rendering Point and MultiPoint geometries.
Definition qgsmarkersymbol.h:31
QgsNewAuxiliaryLayerDialog
A dialog to create a new auxiliary layer.
Definition qgsnewauxiliarylayerdialog.h:34
QgsPropertyCollection::setProperty
void setProperty(int key, const QgsProperty &property)
Adds a property to the collection and takes ownership of it.
Definition qgspropertycollection.cpp:187
QgsPropertyDefinition
Definition for a property.
Definition qgsproperty.h:45
QgsPropertyOverrideButton
A button for controlling property overrides which may apply to a widget.
Definition qgspropertyoverridebutton.h:49
QgsPropertyOverrideButton::toProperty
QgsProperty toProperty() const
Returns a QgsProperty object encapsulating the current state of the widget.
Definition qgspropertyoverridebutton.cpp:198
QgsPropertyOverrideButton::updateFieldLists
void updateFieldLists()
Updates list of fields.
Definition qgspropertyoverridebutton.cpp:158
QgsPropertyOverrideButton::changed
void changed()
Emitted when property definition changes.
QgsPropertyOverrideButton::init
void init(int propertyKey, const QgsProperty &property, const QgsPropertiesDefinition &definitions, const QgsVectorLayer *layer=nullptr, bool auxiliaryStorageEnabled=false)
Initialize a newly constructed property button (useful if button was included in a UI layout).
Definition qgspropertyoverridebutton.cpp:102
QgsPropertyOverrideButton::registerExpressionContextGenerator
void registerExpressionContextGenerator(QgsExpressionContextGenerator *generator)
Register an expression context generator class that will be used to retrieve an expression context fo...
Definition qgspropertyoverridebutton.cpp:959
QgsPropertyOverrideButton::propertyKey
int propertyKey() const
Returns the property key linked to the button.
Definition qgspropertyoverridebutton.h:121
QgsPropertyOverrideButton::setToProperty
void setToProperty(const QgsProperty &property)
Sets the widget to reflect the current state of a QgsProperty.
Definition qgspropertyoverridebutton.cpp:283
QgsPropertyOverrideButton::createAuxiliaryField
void createAuxiliaryField()
Emitted when creating a new auxiliary field.
QgsProperty
A store for object properties.
Definition qgsproperty.h:228
QgsProperty::setField
void setField(const QString &field)
Sets the field name the property references.
Definition qgsproperty.cpp:346
QgsSimpleLineCallout
A simple direct line callout style.
Definition qgscallout.h:514
QgsSymbolButton
A button for creating and modifying QgsSymbol settings.
Definition qgssymbolbutton.h:45
QgsSymbolButton::changed
void changed()
Emitted when the symbol's settings are changed.
QgsSymbolWidgetContext
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
Definition qgssymbolwidgetcontext.h:35
QgsSymbolWidgetContext::additionalExpressionContextScopes
QList< QgsExpressionContextScope > additionalExpressionContextScopes() const
Returns the list of additional expression context scopes to show as available within the layer.
Definition qgssymbolwidgetcontext.cpp:89
QgsSymbolWidgetContext::globalProjectAtlasMapLayerScopes
QList< QgsExpressionContextScope * > globalProjectAtlasMapLayerScopes(const QgsMapLayer *layer) const
Returns list of scopes: global, project, atlas, map, layer.
Definition qgssymbolwidgetcontext.cpp:94
QgsSymbolWidgetContext::expressionContext
QgsExpressionContext * expressionContext() const
Returns the expression context used for the widget, if set.
Definition qgssymbolwidgetcontext.cpp:79
QgsSymbolWidgetContext::mapCanvas
QgsMapCanvas * mapCanvas() const
Returns the map canvas associated with the widget.
Definition qgssymbolwidgetcontext.cpp:56
QgsSymbolWidgetContext::messageBar
QgsMessageBar * messageBar() const
Returns the message bar associated with the widget.
Definition qgssymbolwidgetcontext.cpp:66
QgsUnitSelectionWidget
A widget displaying a combobox allowing the user to choose between various display units,...
Definition qgsunitselectionwidget.h:166
QgsUnitSelectionWidget::changed
void changed()
Emitted when the selected unit is changed, or the definition of the map unit scale is changed.
QgsUnitTypes::RenderUnitList
QList< Qgis::RenderUnit > RenderUnitList
List of render units.
Definition qgsunittypes.h:81
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition qgsvectorlayer.h:401
QgsVectorLayer::auxiliaryLayer
QgsAuxiliaryLayer * auxiliaryLayer()
Returns the current auxiliary layer.
Definition qgsvectorlayer.cpp:6074
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition qgis.h:5761
QgsExpressionContextScope::StaticVariable
Single variable definition for use within a QgsExpressionContextScope.
Definition qgsexpressioncontext.h:122
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