QGIS API Documentation 3.41.0-Master (45a0abf3bec)
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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 "moc_qgscalloutwidget.cpp"
18#include "qgsvectorlayer.h"
19#include "qgsexpressioncontextutils.h"
20#include "qgsunitselectionwidget.h"
21#include "qgscallout.h"
22#include "qgsnewauxiliaryfielddialog.h"
23#include "qgsnewauxiliarylayerdialog.h"
24#include "qgsauxiliarystorage.h"
25#include "qgslinesymbol.h"
26#include "qgsfillsymbol.h"
27#include "qgsmarkersymbol.h"
28
29QgsExpressionContext QgsCalloutWidget::createExpressionContext() const
30{
31 if ( auto *lExpressionContext = mContext.expressionContext() )
32 return *lExpressionContext;
33
34 QgsExpressionContext expContext( mContext.globalProjectAtlasMapLayerScopes( layer() ) );
35 QgsExpressionContextScope *symbolScope = QgsExpressionContextUtils::updateSymbolScope( nullptr, new QgsExpressionContextScope() );
36 symbolScope->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_SYMBOL_COLOR, QColor(), true ) );
37 expContext << symbolScope;
38
39 // additional scopes
40 const auto constAdditionalExpressionContextScopes = mContext.additionalExpressionContextScopes();
41 for ( const QgsExpressionContextScope &scope : constAdditionalExpressionContextScopes )
42 {
43 expContext.appendScope( new QgsExpressionContextScope( scope ) );
44 }
45
46 //TODO - show actual value
47 expContext.setOriginalValueVariable( QVariant() );
48
49 expContext.setHighlightedVariables( QStringList() << QgsExpressionContext::EXPR_ORIGINAL_VALUE << QgsExpressionContext::EXPR_SYMBOL_COLOR );
50
51 return expContext;
52}
53
54void QgsCalloutWidget::setContext( const QgsSymbolWidgetContext &context )
55{
56 mContext = context;
57 const auto unitSelectionWidgets = findChildren<QgsUnitSelectionWidget *>();
58 for ( QgsUnitSelectionWidget *unitWidget : unitSelectionWidgets )
59 {
60 unitWidget->setMapCanvas( mContext.mapCanvas() );
61 }
62 const auto symbolButtonWidgets = findChildren<QgsSymbolButton *>();
63 for ( QgsSymbolButton *symbolWidget : symbolButtonWidgets )
64 {
65 symbolWidget->setMapCanvas( mContext.mapCanvas() );
66 symbolWidget->setMessageBar( mContext.messageBar() );
67 }
68}
69
70QgsSymbolWidgetContext QgsCalloutWidget::context() const
71{
72 return mContext;
73}
74
75void QgsCalloutWidget::registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsCallout::Property key )
76{
77 button->init( static_cast< int >( key ), callout()->dataDefinedProperties(), QgsCallout::propertyDefinitions(), qobject_cast< QgsVectorLayer * >( mLayer ), true );
78 connect( button, &QgsPropertyOverrideButton::changed, this, &QgsCalloutWidget::updateDataDefinedProperty );
79 connect( button, &QgsPropertyOverrideButton::createAuxiliaryField, this, &QgsCalloutWidget::createAuxiliaryField );
80
81 button->registerExpressionContextGenerator( this );
82}
83
84void QgsCalloutWidget::createAuxiliaryField()
85{
86 // try to create an auxiliary layer if not yet created
87 QgsVectorLayer *vectorLayer = qobject_cast< QgsVectorLayer * >( mLayer );
88 if ( !vectorLayer )
89 return;
90
91 if ( !vectorLayer->auxiliaryLayer() )
92 {
93 QgsNewAuxiliaryLayerDialog dlg( vectorLayer, this );
94 dlg.exec();
95 }
96
97 // return if still not exists
98 if ( !vectorLayer->auxiliaryLayer() )
99 return;
100
101 QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
102 const QgsCallout::Property key = static_cast< QgsCallout::Property >( button->propertyKey() );
103 const QgsPropertyDefinition def = QgsCallout::propertyDefinitions()[static_cast< int >( key )];
104
105 // create property in auxiliary storage if necessary
106 if ( !vectorLayer->auxiliaryLayer()->exists( def ) )
107 {
108 vectorLayer->auxiliaryLayer()->addAuxiliaryField( def );
109 }
110
111 // update property with join field name from auxiliary storage
112 QgsProperty property = button->toProperty();
113 property.setField( QgsAuxiliaryLayer::nameFromProperty( def, true ) );
114 property.setActive( true );
115 button->updateFieldLists();
116 button->setToProperty( property );
117
118 callout()->dataDefinedProperties().setProperty( key, button->toProperty() );
119
120 emit changed();
121}
122
123void QgsCalloutWidget::updateDataDefinedProperty()
124{
125 QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
126 const QgsCallout::Property key = static_cast< QgsCallout::Property >( button->propertyKey() );
127 callout()->dataDefinedProperties().setProperty( key, button->toProperty() );
128 emit changed();
129}
130
132
133//
134// QgsSimpleLineCalloutWidget
135//
136
137QgsSimpleLineCalloutWidget::QgsSimpleLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
138 : QgsCalloutWidget( parent, vl )
139{
140 setupUi( this );
141
142 // Callout options - to move to custom widgets when multiple callout styles exist
143 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
144 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
145 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
146
147 mCalloutLineStyleButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
148 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
149 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
150 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
151 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
152 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
153 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
154
155 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged );
156 connect( mMinCalloutLengthSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::minimumLengthChanged );
157
158 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
159 connect( mOffsetFromAnchorSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromAnchorChanged );
160 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
161 connect( mOffsetFromLabelSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromLabelChanged );
162
163 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsSimpleLineCalloutWidget::drawToAllPartsToggled );
164
165 // Anchor point options
166 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast< int >( QgsCallout::PoleOfInaccessibility ) );
167 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast< int >( QgsCallout::PointOnExterior ) );
168 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast< int >( QgsCallout::PointOnSurface ) );
169 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::Centroid ) );
170 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
171
172 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast< int >( QgsCallout::LabelPointOnExterior ) );
173 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::LabelCentroid ) );
174 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast< int >( QgsCallout::LabelTopLeft ) );
175 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast< int >( QgsCallout::LabelTopMiddle ) );
176 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast< int >( QgsCallout::LabelTopRight ) );
177 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast< int >( QgsCallout::LabelMiddleLeft ) );
178 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast< int >( QgsCallout::LabelMiddleRight ) );
179 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast< int >( QgsCallout::LabelBottomLeft ) );
180 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast< int >( QgsCallout::LabelBottomMiddle ) );
181 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast< int >( QgsCallout::LabelBottomRight ) );
182 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
183
184 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsSimpleLineCalloutWidget::lineSymbolChanged );
185
186 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
187
188 mPlacementDDGroupBox->setVisible( qobject_cast< QgsVectorLayer * >( vl ) );
189}
190
191void QgsSimpleLineCalloutWidget::setCallout( const QgsCallout *callout )
192{
193 if ( !callout )
194 return;
195
196 mCallout.reset( dynamic_cast<QgsSimpleLineCallout *>( callout->clone() ) );
197 if ( !mCallout )
198 return;
199
200 mMinCalloutWidthUnitWidget->blockSignals( true );
201 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
202 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
203 mMinCalloutWidthUnitWidget->blockSignals( false );
204
205 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
206
207 mOffsetFromAnchorUnitWidget->blockSignals( true );
208 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
209 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
210 mOffsetFromAnchorUnitWidget->blockSignals( false );
211 mOffsetFromLabelUnitWidget->blockSignals( true );
212 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
213 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
214 mOffsetFromLabelUnitWidget->blockSignals( false );
215 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
216 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
217
218 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
219
220 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
221
222 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast< int >( callout->anchorPoint() ) ) );
223 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast< int >( callout->labelAnchorPoint() ) ) );
224
225 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
226
227 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
228 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
229 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
230 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
231 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
232 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
233 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
234
235 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
236 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
237 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
238 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
239}
240
241void QgsSimpleLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
242{
243 const bool isPolygon = type == Qgis::GeometryType::Polygon;
244 mAnchorPointLbl->setEnabled( isPolygon );
245 mAnchorPointLbl->setVisible( isPolygon );
246 mAnchorPointComboBox->setEnabled( isPolygon );
247 mAnchorPointComboBox->setVisible( isPolygon );
248 mAnchorPointDDBtn->setEnabled( isPolygon );
249 mAnchorPointDDBtn->setVisible( isPolygon );
250}
251
252QgsCallout *QgsSimpleLineCalloutWidget::callout()
253{
254 return mCallout.get();
255}
256
257void QgsSimpleLineCalloutWidget::minimumLengthChanged()
258{
259 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
260 emit changed();
261}
262
263void QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged()
264{
265 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
266 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
267 emit changed();
268}
269
270void QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
271{
272 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
273 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
274 emit changed();
275}
276
277void QgsSimpleLineCalloutWidget::offsetFromAnchorChanged()
278{
279 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
280 emit changed();
281}
282
283void QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
284{
285 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
286 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
287 emit changed();
288}
289
290void QgsSimpleLineCalloutWidget::offsetFromLabelChanged()
291{
292 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
293 emit changed();
294}
295
296void QgsSimpleLineCalloutWidget::lineSymbolChanged()
297{
298 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol< QgsLineSymbol >() );
299 emit changed();
300}
301
302void QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
303{
304 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
305 emit changed();
306}
307
308void QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
309{
310 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
311 emit changed();
312}
313
314void QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
315{
316 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
317 emit changed();
318}
319
320void QgsSimpleLineCalloutWidget::drawToAllPartsToggled( bool active )
321{
322 mCallout->setDrawCalloutToAllParts( active );
323 emit changed();
324}
325
326
327//
328// QgsManhattanLineCalloutWidget
329//
330
331QgsManhattanLineCalloutWidget::QgsManhattanLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
332 : QgsSimpleLineCalloutWidget( vl, parent )
333{
334
335}
336
337
338//
339// QgsCurvedLineCalloutWidget
340//
341
342QgsCurvedLineCalloutWidget::QgsCurvedLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
343 : QgsCalloutWidget( parent, vl )
344{
345 setupUi( this );
346
347 // Callout options - to move to custom widgets when multiple callout styles exist
348 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
349 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
350 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
351
352 mCalloutLineStyleButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
353 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
354 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
355 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
356 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
357 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
358 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
359
360 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged );
361 connect( mMinCalloutLengthSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::minimumLengthChanged );
362
363 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
364 connect( mOffsetFromAnchorSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromAnchorChanged );
365 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
366 connect( mOffsetFromLabelSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromLabelChanged );
367
368 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsCurvedLineCalloutWidget::drawToAllPartsToggled );
369
370 mOrientationComboBox->addItem( tr( "Automatic" ), static_cast< int >( QgsCurvedLineCallout::Automatic ) );
371 mOrientationComboBox->addItem( tr( "Clockwise" ), static_cast< int >( QgsCurvedLineCallout::Clockwise ) );
372 mOrientationComboBox->addItem( tr( "Counter Clockwise" ), static_cast< int >( QgsCurvedLineCallout::CounterClockwise ) );
373 connect( mOrientationComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [ = ]( int index )
374 {
375 mCallout->setOrientation( static_cast<QgsCurvedLineCallout::Orientation>( mOrientationComboBox->itemData( index ).toInt() ) );
376 emit changed();
377 } );
378
379 // Anchor point options
380 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast< int >( QgsCallout::PoleOfInaccessibility ) );
381 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast< int >( QgsCallout::PointOnExterior ) );
382 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast< int >( QgsCallout::PointOnSurface ) );
383 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::Centroid ) );
384 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
385
386 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast< int >( QgsCallout::LabelPointOnExterior ) );
387 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::LabelCentroid ) );
388 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast< int >( QgsCallout::LabelTopLeft ) );
389 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast< int >( QgsCallout::LabelTopMiddle ) );
390 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast< int >( QgsCallout::LabelTopRight ) );
391 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast< int >( QgsCallout::LabelMiddleLeft ) );
392 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast< int >( QgsCallout::LabelMiddleRight ) );
393 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast< int >( QgsCallout::LabelBottomLeft ) );
394 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast< int >( QgsCallout::LabelBottomMiddle ) );
395 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast< int >( QgsCallout::LabelBottomRight ) );
396 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
397
398 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsCurvedLineCalloutWidget::lineSymbolChanged );
399
400 connect( mCurvatureSlider, &QSlider::valueChanged, this, [ = ]( int value ) { mCurvatureSpinBox->setValue( value / 10.0 ); } );
401 connect( mCurvatureSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, [ = ]( double value ) { whileBlocking( mCurvatureSlider )->setValue( value * 10 ); } );
402 connect( mCurvatureSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, [ = ]( double value )
403 {
404 mCallout->setCurvature( value / 100.0 );
405 emit changed();
406 } );
407
408 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
409
410 mPlacementDDGroupBox->setVisible( qobject_cast< QgsVectorLayer * >( vl ) );
411}
412
413void QgsCurvedLineCalloutWidget::setCallout( const QgsCallout *callout )
414{
415 if ( !callout )
416 return;
417
418 mCallout.reset( dynamic_cast<QgsCurvedLineCallout *>( callout->clone() ) );
419 if ( !mCallout )
420 return;
421
422 mMinCalloutWidthUnitWidget->blockSignals( true );
423 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
424 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
425 mMinCalloutWidthUnitWidget->blockSignals( false );
426
427 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
428
429 mOffsetFromAnchorUnitWidget->blockSignals( true );
430 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
431 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
432 mOffsetFromAnchorUnitWidget->blockSignals( false );
433 mOffsetFromLabelUnitWidget->blockSignals( true );
434 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
435 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
436 mOffsetFromLabelUnitWidget->blockSignals( false );
437 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
438 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
439
440 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
441
442 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
443
444 whileBlocking( mOrientationComboBox )->setCurrentIndex( mOrientationComboBox->findData( static_cast< int >( mCallout->orientation() ) ) );
445
446 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast< int >( callout->anchorPoint() ) ) );
447 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast< int >( callout->labelAnchorPoint() ) ) );
448
449 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
450
451 whileBlocking( mCurvatureSpinBox )->setValue( mCallout->curvature() * 100.0 );
452 whileBlocking( mCurvatureSlider )->setValue( mCallout->curvature() * 1000.0 );
453
454 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
455 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
456 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
457 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
458 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
459 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
460 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
461 registerDataDefinedButton( mCalloutCurvatureDDBtn, QgsCallout::Property::Curvature );
462 registerDataDefinedButton( mCalloutOrientationDDBtn, QgsCallout::Property::Orientation );
463
464 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
465 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
466 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
467 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
468}
469
470void QgsCurvedLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
471{
472 const bool isPolygon = type == Qgis::GeometryType::Polygon;
473 mAnchorPointLbl->setEnabled( isPolygon );
474 mAnchorPointLbl->setVisible( isPolygon );
475 mAnchorPointComboBox->setEnabled( isPolygon );
476 mAnchorPointComboBox->setVisible( isPolygon );
477 mAnchorPointDDBtn->setEnabled( isPolygon );
478 mAnchorPointDDBtn->setVisible( isPolygon );
479}
480
481QgsCallout *QgsCurvedLineCalloutWidget::callout()
482{
483 return mCallout.get();
484}
485
486void QgsCurvedLineCalloutWidget::minimumLengthChanged()
487{
488 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
489 emit changed();
490}
491
492void QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged()
493{
494 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
495 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
496 emit changed();
497}
498
499void QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
500{
501 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
502 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
503 emit changed();
504}
505
506void QgsCurvedLineCalloutWidget::offsetFromAnchorChanged()
507{
508 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
509 emit changed();
510}
511
512void QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
513{
514 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
515 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
516 emit changed();
517}
518
519void QgsCurvedLineCalloutWidget::offsetFromLabelChanged()
520{
521 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
522 emit changed();
523}
524
525void QgsCurvedLineCalloutWidget::lineSymbolChanged()
526{
527 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol< QgsLineSymbol >() );
528 emit changed();
529}
530
531void QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
532{
533 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
534 emit changed();
535}
536
537void QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
538{
539 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
540 emit changed();
541}
542
543void QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
544{
545 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
546 emit changed();
547}
548
549void QgsCurvedLineCalloutWidget::drawToAllPartsToggled( bool active )
550{
551 mCallout->setDrawCalloutToAllParts( active );
552 emit changed();
553}
554
555
556//
557// QgsBalloonCalloutWidget
558//
559
560QgsBalloonCalloutWidget::QgsBalloonCalloutWidget( QgsMapLayer *vl, QWidget *parent )
561 : QgsCalloutWidget( parent, vl )
562{
563 setupUi( this );
564
565 // Callout options - to move to custom widgets when multiple callout styles exist
566 mCalloutFillStyleButton->setSymbolType( Qgis::SymbolType::Fill );
567 mCalloutFillStyleButton->setDialogTitle( tr( "Balloon Symbol" ) );
568 mCalloutFillStyleButton->registerExpressionContextGenerator( this );
569
570 mMarkerSymbolButton->setSymbolType( Qgis::SymbolType::Marker );
571 mMarkerSymbolButton->setDialogTitle( tr( "Marker Symbol" ) );
572 mMarkerSymbolButton->registerExpressionContextGenerator( this );
573 mMarkerSymbolButton->setShowNull( true );
574 mMarkerSymbolButton->setToNull();
575
576 mCalloutFillStyleButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
577 mMarkerSymbolButton->setLayer( qobject_cast< QgsVectorLayer * >( vl ) );
578 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
579 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
580 mMarginUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
581 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
582 mWedgeWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
583 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
584 mCornerRadiusUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels
585 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
586
587 mSpinBottomMargin->setClearValue( 0 );
588 mSpinTopMargin->setClearValue( 0 );
589 mSpinRightMargin->setClearValue( 0 );
590 mSpinLeftMargin->setClearValue( 0 );
591 mWedgeWidthSpin->setClearValue( 2.64 );
592 mCornerRadiusSpin->setClearValue( 0.0 );
593
594 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged );
595 connect( mOffsetFromAnchorSpin, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsBalloonCalloutWidget::offsetFromAnchorChanged );
596
597 // Anchor point options
598 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast< int >( QgsCallout::PoleOfInaccessibility ) );
599 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast< int >( QgsCallout::PointOnExterior ) );
600 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast< int >( QgsCallout::PointOnSurface ) );
601 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast< int >( QgsCallout::Centroid ) );
602 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
603
604 connect( mCalloutFillStyleButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::fillSymbolChanged );
605 connect( mMarkerSymbolButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::markerSymbolChanged );
606
607 connect( mSpinBottomMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
608 {
609 QgsMargins margins = mCallout->margins();
610 margins.setBottom( value );
611 mCallout->setMargins( margins );
612 emit changed();
613 } );
614 connect( mSpinTopMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
615 {
616 QgsMargins margins = mCallout->margins();
617 margins.setTop( value );
618 mCallout->setMargins( margins );
619 emit changed();
620 } );
621 connect( mSpinLeftMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
622 {
623 QgsMargins margins = mCallout->margins();
624 margins.setLeft( value );
625 mCallout->setMargins( margins );
626 emit changed();
627 } );
628 connect( mSpinRightMargin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
629 {
630 QgsMargins margins = mCallout->margins();
631 margins.setRight( value );
632 mCallout->setMargins( margins );
633 emit changed();
634 } );
635 connect( mMarginUnitWidget, &QgsUnitSelectionWidget::changed, this, [ = ]
636 {
637 mCallout->setMarginsUnit( mMarginUnitWidget->unit() );
638 emit changed();
639 } );
640
641 connect( mWedgeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, [ = ]
642 {
643 mCallout->setWedgeWidthUnit( mWedgeWidthUnitWidget->unit() );
644 mCallout->setWedgeWidthMapUnitScale( mWedgeWidthUnitWidget->getMapUnitScale() );
645 emit changed();
646 } );
647 connect( mWedgeWidthSpin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
648 {
649 mCallout->setWedgeWidth( value );
650 emit changed();
651 } );
652
653 connect( mCornerRadiusUnitWidget, &QgsUnitSelectionWidget::changed, this, [ = ]
654 {
655 mCallout->setCornerRadiusUnit( mCornerRadiusUnitWidget->unit() );
656 mCallout->setCornerRadiusMapUnitScale( mCornerRadiusUnitWidget->getMapUnitScale() );
657 emit changed();
658 } );
659 connect( mCornerRadiusSpin, qOverload< double >( &QDoubleSpinBox::valueChanged ), this, [ = ]( double value )
660 {
661 mCallout->setCornerRadius( value );
662 emit changed();
663 } );
664
665 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
666
667 mPlacementDDGroupBox->setVisible( qobject_cast< QgsVectorLayer * >( vl ) );
668}
669
670void QgsBalloonCalloutWidget::setCallout( const QgsCallout *callout )
671{
672 if ( !callout )
673 return;
674
675 mCallout.reset( dynamic_cast<QgsBalloonCallout *>( callout->clone() ) );
676 if ( !mCallout )
677 return;
678
679 mOffsetFromAnchorUnitWidget->blockSignals( true );
680 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
681 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
682 mOffsetFromAnchorUnitWidget->blockSignals( false );
683 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
684
685 whileBlocking( mSpinBottomMargin )->setValue( mCallout->margins().bottom() );
686 whileBlocking( mSpinTopMargin )->setValue( mCallout->margins().top() );
687 whileBlocking( mSpinLeftMargin )->setValue( mCallout->margins().left() );
688 whileBlocking( mSpinRightMargin )->setValue( mCallout->margins().right() );
689 whileBlocking( mMarginUnitWidget )->setUnit( mCallout->marginsUnit() );
690
691 mWedgeWidthUnitWidget->blockSignals( true );
692 mWedgeWidthUnitWidget->setUnit( mCallout->wedgeWidthUnit() );
693 mWedgeWidthUnitWidget->setMapUnitScale( mCallout->wedgeWidthMapUnitScale() );
694 mWedgeWidthUnitWidget->blockSignals( false );
695 whileBlocking( mWedgeWidthSpin )->setValue( mCallout->wedgeWidth() );
696
697 mCornerRadiusUnitWidget->blockSignals( true );
698 mCornerRadiusUnitWidget->setUnit( mCallout->cornerRadiusUnit() );
699 mCornerRadiusUnitWidget->setMapUnitScale( mCallout->cornerRadiusMapUnitScale() );
700 mCornerRadiusUnitWidget->blockSignals( false );
701 whileBlocking( mCornerRadiusSpin )->setValue( mCallout->cornerRadius() );
702
703 whileBlocking( mCalloutFillStyleButton )->setSymbol( mCallout->fillSymbol()->clone() );
704 if ( QgsMarkerSymbol *marker = mCallout->markerSymbol() )
705 whileBlocking( mMarkerSymbolButton )->setSymbol( marker->clone() );
706 else
707 whileBlocking( mMarkerSymbolButton )->setToNull();
708
709 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast< int >( callout->anchorPoint() ) ) );
710
711 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
712
713 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
714 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
715 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
716
717 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
718 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
719 registerDataDefinedButton( mMarginsDDBtn, QgsCallout::Property::Margins );
720 registerDataDefinedButton( mWedgeWidthDDBtn, QgsCallout::Property::WedgeWidth );
721 registerDataDefinedButton( mCornerRadiusDDBtn, QgsCallout::Property::CornerRadius );
722}
723
724void QgsBalloonCalloutWidget::setGeometryType( Qgis::GeometryType type )
725{
726 const bool isPolygon = type == Qgis::GeometryType::Polygon;
727 mAnchorPointLbl->setEnabled( isPolygon );
728 mAnchorPointLbl->setVisible( isPolygon );
729 mAnchorPointComboBox->setEnabled( isPolygon );
730 mAnchorPointComboBox->setVisible( isPolygon );
731 mAnchorPointDDBtn->setEnabled( isPolygon );
732 mAnchorPointDDBtn->setVisible( isPolygon );
733}
734
735QgsCallout *QgsBalloonCalloutWidget::callout()
736{
737 return mCallout.get();
738}
739
740void QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged()
741{
742 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
743 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
744 emit changed();
745}
746
747void QgsBalloonCalloutWidget::offsetFromAnchorChanged()
748{
749 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
750 emit changed();
751}
752
753void QgsBalloonCalloutWidget::fillSymbolChanged()
754{
755 mCallout->setFillSymbol( mCalloutFillStyleButton->clonedSymbol< QgsFillSymbol >() );
756 emit changed();
757}
758
759void QgsBalloonCalloutWidget::markerSymbolChanged()
760{
761 mCallout->setMarkerSymbol( mMarkerSymbolButton->isNull() ? nullptr : mMarkerSymbolButton->clonedSymbol< QgsMarkerSymbol >() );
762 emit changed();
763}
764
765void QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
766{
767 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
768 emit changed();
769}
770
771void QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
772{
773 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
774 emit changed();
775}
776
778
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:33
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:70
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:29
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:54
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:86
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:79
QgsCalloutWidget::registerDataDefinedButton
void registerDataDefinedButton(QgsPropertyOverrideButton *button, QgsCallout::Property key)
Registers a data defined override button.
Definition qgscalloutwidget.cpp:75
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:896
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:894
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:199
QgsPropertyOverrideButton::updateFieldLists
void updateFieldLists()
Updates list of fields.
Definition qgspropertyoverridebutton.cpp:159
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:103
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:958
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:284
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:6090
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition qgis.h:5862
QgsExpressionContextScope::StaticVariable
Single variable definition for use within a QgsExpressionContextScope.
Definition qgsexpressioncontext.h:122
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