QGIS API Documentation 3.41.0-Master (af5edcb665c)
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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 << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
149 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
150 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
151
152 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged );
153 connect( mMinCalloutLengthSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::minimumLengthChanged );
154
155 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
156 connect( mOffsetFromAnchorSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromAnchorChanged );
157 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
158 connect( mOffsetFromLabelSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromLabelChanged );
159
160 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsSimpleLineCalloutWidget::drawToAllPartsToggled );
161
162 // Anchor point options
163 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast<int>( QgsCallout::PoleOfInaccessibility ) );
164 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast<int>( QgsCallout::PointOnExterior ) );
165 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast<int>( QgsCallout::PointOnSurface ) );
166 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::Centroid ) );
167 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
168
169 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast<int>( QgsCallout::LabelPointOnExterior ) );
170 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::LabelCentroid ) );
171 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast<int>( QgsCallout::LabelTopLeft ) );
172 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast<int>( QgsCallout::LabelTopMiddle ) );
173 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast<int>( QgsCallout::LabelTopRight ) );
174 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast<int>( QgsCallout::LabelMiddleLeft ) );
175 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast<int>( QgsCallout::LabelMiddleRight ) );
176 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast<int>( QgsCallout::LabelBottomLeft ) );
177 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast<int>( QgsCallout::LabelBottomMiddle ) );
178 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast<int>( QgsCallout::LabelBottomRight ) );
179 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
180
181 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsSimpleLineCalloutWidget::lineSymbolChanged );
182
183 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
184
185 mPlacementDDGroupBox->setVisible( qobject_cast<QgsVectorLayer *>( vl ) );
186}
187
188void QgsSimpleLineCalloutWidget::setCallout( const QgsCallout *callout )
189{
190 if ( !callout )
191 return;
192
193 mCallout.reset( dynamic_cast<QgsSimpleLineCallout *>( callout->clone() ) );
194 if ( !mCallout )
195 return;
196
197 mMinCalloutWidthUnitWidget->blockSignals( true );
198 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
199 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
200 mMinCalloutWidthUnitWidget->blockSignals( false );
201
202 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
203
204 mOffsetFromAnchorUnitWidget->blockSignals( true );
205 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
206 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
207 mOffsetFromAnchorUnitWidget->blockSignals( false );
208 mOffsetFromLabelUnitWidget->blockSignals( true );
209 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
210 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
211 mOffsetFromLabelUnitWidget->blockSignals( false );
212 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
213 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
214
215 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
216
217 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
218
219 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast<int>( callout->anchorPoint() ) ) );
220 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast<int>( callout->labelAnchorPoint() ) ) );
221
222 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
223
224 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
225 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
226 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
227 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
228 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
229 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
230 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
231
232 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
233 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
234 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
235 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
236}
237
238void QgsSimpleLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
239{
240 const bool isPolygon = type == Qgis::GeometryType::Polygon;
241 mAnchorPointLbl->setEnabled( isPolygon );
242 mAnchorPointLbl->setVisible( isPolygon );
243 mAnchorPointComboBox->setEnabled( isPolygon );
244 mAnchorPointComboBox->setVisible( isPolygon );
245 mAnchorPointDDBtn->setEnabled( isPolygon );
246 mAnchorPointDDBtn->setVisible( isPolygon );
247}
248
249QgsCallout *QgsSimpleLineCalloutWidget::callout()
250{
251 return mCallout.get();
252}
253
254void QgsSimpleLineCalloutWidget::minimumLengthChanged()
255{
256 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
257 emit changed();
258}
259
260void QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged()
261{
262 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
263 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
264 emit changed();
265}
266
267void QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
268{
269 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
270 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
271 emit changed();
272}
273
274void QgsSimpleLineCalloutWidget::offsetFromAnchorChanged()
275{
276 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
277 emit changed();
278}
279
280void QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
281{
282 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
283 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
284 emit changed();
285}
286
287void QgsSimpleLineCalloutWidget::offsetFromLabelChanged()
288{
289 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
290 emit changed();
291}
292
293void QgsSimpleLineCalloutWidget::lineSymbolChanged()
294{
295 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol<QgsLineSymbol>() );
296 emit changed();
297}
298
299void QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
300{
301 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
302 emit changed();
303}
304
305void QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
306{
307 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
308 emit changed();
309}
310
311void QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
312{
313 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
314 emit changed();
315}
316
317void QgsSimpleLineCalloutWidget::drawToAllPartsToggled( bool active )
318{
319 mCallout->setDrawCalloutToAllParts( active );
320 emit changed();
321}
322
323
324//
325// QgsManhattanLineCalloutWidget
326//
327
328QgsManhattanLineCalloutWidget::QgsManhattanLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
329 : QgsSimpleLineCalloutWidget( vl, parent )
330{
331}
332
333
334//
335// QgsCurvedLineCalloutWidget
336//
337
338QgsCurvedLineCalloutWidget::QgsCurvedLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
339 : QgsCalloutWidget( parent, vl )
340{
341 setupUi( this );
342
343 // Callout options - to move to custom widgets when multiple callout styles exist
344 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
345 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
346 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
347
348 mCalloutLineStyleButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
349 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
350 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
351 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
352
353 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged );
354 connect( mMinCalloutLengthSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::minimumLengthChanged );
355
356 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
357 connect( mOffsetFromAnchorSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromAnchorChanged );
358 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
359 connect( mOffsetFromLabelSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromLabelChanged );
360
361 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsCurvedLineCalloutWidget::drawToAllPartsToggled );
362
363 mOrientationComboBox->addItem( tr( "Automatic" ), static_cast<int>( QgsCurvedLineCallout::Automatic ) );
364 mOrientationComboBox->addItem( tr( "Clockwise" ), static_cast<int>( QgsCurvedLineCallout::Clockwise ) );
365 mOrientationComboBox->addItem( tr( "Counter Clockwise" ), static_cast<int>( QgsCurvedLineCallout::CounterClockwise ) );
366 connect( mOrientationComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [=]( int index ) {
367 mCallout->setOrientation( static_cast<QgsCurvedLineCallout::Orientation>( mOrientationComboBox->itemData( index ).toInt() ) );
368 emit changed();
369 } );
370
371 // Anchor point options
372 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast<int>( QgsCallout::PoleOfInaccessibility ) );
373 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast<int>( QgsCallout::PointOnExterior ) );
374 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast<int>( QgsCallout::PointOnSurface ) );
375 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::Centroid ) );
376 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
377
378 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast<int>( QgsCallout::LabelPointOnExterior ) );
379 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::LabelCentroid ) );
380 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast<int>( QgsCallout::LabelTopLeft ) );
381 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast<int>( QgsCallout::LabelTopMiddle ) );
382 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast<int>( QgsCallout::LabelTopRight ) );
383 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast<int>( QgsCallout::LabelMiddleLeft ) );
384 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast<int>( QgsCallout::LabelMiddleRight ) );
385 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast<int>( QgsCallout::LabelBottomLeft ) );
386 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast<int>( QgsCallout::LabelBottomMiddle ) );
387 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast<int>( QgsCallout::LabelBottomRight ) );
388 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
389
390 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsCurvedLineCalloutWidget::lineSymbolChanged );
391
392 connect( mCurvatureSlider, &QSlider::valueChanged, this, [=]( int value ) { mCurvatureSpinBox->setValue( value / 10.0 ); } );
393 connect( mCurvatureSpinBox, static_cast<void ( QgsDoubleSpinBox::* )( double )>( &QgsDoubleSpinBox::valueChanged ), this, [=]( double value ) { whileBlocking( mCurvatureSlider )->setValue( value * 10 ); } );
394 connect( mCurvatureSpinBox, static_cast<void ( QgsDoubleSpinBox::* )( double )>( &QgsDoubleSpinBox::valueChanged ), this, [=]( double value ) {
395 mCallout->setCurvature( value / 100.0 );
396 emit changed();
397 } );
398
399 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
400
401 mPlacementDDGroupBox->setVisible( qobject_cast<QgsVectorLayer *>( vl ) );
402}
403
404void QgsCurvedLineCalloutWidget::setCallout( const QgsCallout *callout )
405{
406 if ( !callout )
407 return;
408
409 mCallout.reset( dynamic_cast<QgsCurvedLineCallout *>( callout->clone() ) );
410 if ( !mCallout )
411 return;
412
413 mMinCalloutWidthUnitWidget->blockSignals( true );
414 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
415 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
416 mMinCalloutWidthUnitWidget->blockSignals( false );
417
418 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
419
420 mOffsetFromAnchorUnitWidget->blockSignals( true );
421 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
422 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
423 mOffsetFromAnchorUnitWidget->blockSignals( false );
424 mOffsetFromLabelUnitWidget->blockSignals( true );
425 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
426 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
427 mOffsetFromLabelUnitWidget->blockSignals( false );
428 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
429 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
430
431 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
432
433 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
434
435 whileBlocking( mOrientationComboBox )->setCurrentIndex( mOrientationComboBox->findData( static_cast<int>( mCallout->orientation() ) ) );
436
437 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast<int>( callout->anchorPoint() ) ) );
438 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast<int>( callout->labelAnchorPoint() ) ) );
439
440 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
441
442 whileBlocking( mCurvatureSpinBox )->setValue( mCallout->curvature() * 100.0 );
443 whileBlocking( mCurvatureSlider )->setValue( mCallout->curvature() * 1000.0 );
444
445 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
446 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
447 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
448 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
449 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
450 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
451 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
452 registerDataDefinedButton( mCalloutCurvatureDDBtn, QgsCallout::Property::Curvature );
453 registerDataDefinedButton( mCalloutOrientationDDBtn, QgsCallout::Property::Orientation );
454
455 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
456 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
457 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
458 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
459}
460
461void QgsCurvedLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
462{
463 const bool isPolygon = type == Qgis::GeometryType::Polygon;
464 mAnchorPointLbl->setEnabled( isPolygon );
465 mAnchorPointLbl->setVisible( isPolygon );
466 mAnchorPointComboBox->setEnabled( isPolygon );
467 mAnchorPointComboBox->setVisible( isPolygon );
468 mAnchorPointDDBtn->setEnabled( isPolygon );
469 mAnchorPointDDBtn->setVisible( isPolygon );
470}
471
472QgsCallout *QgsCurvedLineCalloutWidget::callout()
473{
474 return mCallout.get();
475}
476
477void QgsCurvedLineCalloutWidget::minimumLengthChanged()
478{
479 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
480 emit changed();
481}
482
483void QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged()
484{
485 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
486 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
487 emit changed();
488}
489
490void QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
491{
492 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
493 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
494 emit changed();
495}
496
497void QgsCurvedLineCalloutWidget::offsetFromAnchorChanged()
498{
499 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
500 emit changed();
501}
502
503void QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
504{
505 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
506 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
507 emit changed();
508}
509
510void QgsCurvedLineCalloutWidget::offsetFromLabelChanged()
511{
512 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
513 emit changed();
514}
515
516void QgsCurvedLineCalloutWidget::lineSymbolChanged()
517{
518 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol<QgsLineSymbol>() );
519 emit changed();
520}
521
522void QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
523{
524 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
525 emit changed();
526}
527
528void QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
529{
530 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
531 emit changed();
532}
533
534void QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
535{
536 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
537 emit changed();
538}
539
540void QgsCurvedLineCalloutWidget::drawToAllPartsToggled( bool active )
541{
542 mCallout->setDrawCalloutToAllParts( active );
543 emit changed();
544}
545
546
547//
548// QgsBalloonCalloutWidget
549//
550
551QgsBalloonCalloutWidget::QgsBalloonCalloutWidget( QgsMapLayer *vl, QWidget *parent )
552 : QgsCalloutWidget( parent, vl )
553{
554 setupUi( this );
555
556 // Callout options - to move to custom widgets when multiple callout styles exist
557 mCalloutFillStyleButton->setSymbolType( Qgis::SymbolType::Fill );
558 mCalloutFillStyleButton->setDialogTitle( tr( "Balloon Symbol" ) );
559 mCalloutFillStyleButton->registerExpressionContextGenerator( this );
560
561 mMarkerSymbolButton->setSymbolType( Qgis::SymbolType::Marker );
562 mMarkerSymbolButton->setDialogTitle( tr( "Marker Symbol" ) );
563 mMarkerSymbolButton->registerExpressionContextGenerator( this );
564 mMarkerSymbolButton->setShowNull( true );
565 mMarkerSymbolButton->setToNull();
566
567 mCalloutFillStyleButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
568 mMarkerSymbolButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
569 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
570 mMarginUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
571 mWedgeWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
572 mCornerRadiusUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
573
574 mSpinBottomMargin->setClearValue( 0 );
575 mSpinTopMargin->setClearValue( 0 );
576 mSpinRightMargin->setClearValue( 0 );
577 mSpinLeftMargin->setClearValue( 0 );
578 mWedgeWidthSpin->setClearValue( 2.64 );
579 mCornerRadiusSpin->setClearValue( 0.0 );
580
581 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged );
582 connect( mOffsetFromAnchorSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsBalloonCalloutWidget::offsetFromAnchorChanged );
583
584 // Anchor point options
585 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast<int>( QgsCallout::PoleOfInaccessibility ) );
586 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast<int>( QgsCallout::PointOnExterior ) );
587 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast<int>( QgsCallout::PointOnSurface ) );
588 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::Centroid ) );
589 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
590
591 connect( mCalloutFillStyleButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::fillSymbolChanged );
592 connect( mMarkerSymbolButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::markerSymbolChanged );
593
594 connect( mSpinBottomMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [=]( double value ) {
595 QgsMargins margins = mCallout->margins();
596 margins.setBottom( value );
597 mCallout->setMargins( margins );
598 emit changed();
599 } );
600 connect( mSpinTopMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [=]( double value ) {
601 QgsMargins margins = mCallout->margins();
602 margins.setTop( value );
603 mCallout->setMargins( margins );
604 emit changed();
605 } );
606 connect( mSpinLeftMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [=]( double value ) {
607 QgsMargins margins = mCallout->margins();
608 margins.setLeft( value );
609 mCallout->setMargins( margins );
610 emit changed();
611 } );
612 connect( mSpinRightMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [=]( double value ) {
613 QgsMargins margins = mCallout->margins();
614 margins.setRight( value );
615 mCallout->setMargins( margins );
616 emit changed();
617 } );
618 connect( mMarginUnitWidget, &QgsUnitSelectionWidget::changed, this, [=] {
619 mCallout->setMarginsUnit( mMarginUnitWidget->unit() );
620 emit changed();
621 } );
622
623 connect( mWedgeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, [=] {
624 mCallout->setWedgeWidthUnit( mWedgeWidthUnitWidget->unit() );
625 mCallout->setWedgeWidthMapUnitScale( mWedgeWidthUnitWidget->getMapUnitScale() );
626 emit changed();
627 } );
628 connect( mWedgeWidthSpin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [=]( double value ) {
629 mCallout->setWedgeWidth( value );
630 emit changed();
631 } );
632
633 connect( mCornerRadiusUnitWidget, &QgsUnitSelectionWidget::changed, this, [=] {
634 mCallout->setCornerRadiusUnit( mCornerRadiusUnitWidget->unit() );
635 mCallout->setCornerRadiusMapUnitScale( mCornerRadiusUnitWidget->getMapUnitScale() );
636 emit changed();
637 } );
638 connect( mCornerRadiusSpin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [=]( double value ) {
639 mCallout->setCornerRadius( value );
640 emit changed();
641 } );
642
643 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
644
645 mPlacementDDGroupBox->setVisible( qobject_cast<QgsVectorLayer *>( vl ) );
646}
647
648void QgsBalloonCalloutWidget::setCallout( const QgsCallout *callout )
649{
650 if ( !callout )
651 return;
652
653 mCallout.reset( dynamic_cast<QgsBalloonCallout *>( callout->clone() ) );
654 if ( !mCallout )
655 return;
656
657 mOffsetFromAnchorUnitWidget->blockSignals( true );
658 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
659 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
660 mOffsetFromAnchorUnitWidget->blockSignals( false );
661 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
662
663 whileBlocking( mSpinBottomMargin )->setValue( mCallout->margins().bottom() );
664 whileBlocking( mSpinTopMargin )->setValue( mCallout->margins().top() );
665 whileBlocking( mSpinLeftMargin )->setValue( mCallout->margins().left() );
666 whileBlocking( mSpinRightMargin )->setValue( mCallout->margins().right() );
667 whileBlocking( mMarginUnitWidget )->setUnit( mCallout->marginsUnit() );
668
669 mWedgeWidthUnitWidget->blockSignals( true );
670 mWedgeWidthUnitWidget->setUnit( mCallout->wedgeWidthUnit() );
671 mWedgeWidthUnitWidget->setMapUnitScale( mCallout->wedgeWidthMapUnitScale() );
672 mWedgeWidthUnitWidget->blockSignals( false );
673 whileBlocking( mWedgeWidthSpin )->setValue( mCallout->wedgeWidth() );
674
675 mCornerRadiusUnitWidget->blockSignals( true );
676 mCornerRadiusUnitWidget->setUnit( mCallout->cornerRadiusUnit() );
677 mCornerRadiusUnitWidget->setMapUnitScale( mCallout->cornerRadiusMapUnitScale() );
678 mCornerRadiusUnitWidget->blockSignals( false );
679 whileBlocking( mCornerRadiusSpin )->setValue( mCallout->cornerRadius() );
680
681 whileBlocking( mCalloutFillStyleButton )->setSymbol( mCallout->fillSymbol()->clone() );
682 if ( QgsMarkerSymbol *marker = mCallout->markerSymbol() )
683 whileBlocking( mMarkerSymbolButton )->setSymbol( marker->clone() );
684 else
685 whileBlocking( mMarkerSymbolButton )->setToNull();
686
687 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast<int>( callout->anchorPoint() ) ) );
688
689 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
690
691 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
692 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
693 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
694
695 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
696 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
697 registerDataDefinedButton( mMarginsDDBtn, QgsCallout::Property::Margins );
698 registerDataDefinedButton( mWedgeWidthDDBtn, QgsCallout::Property::WedgeWidth );
699 registerDataDefinedButton( mCornerRadiusDDBtn, QgsCallout::Property::CornerRadius );
700}
701
702void QgsBalloonCalloutWidget::setGeometryType( Qgis::GeometryType type )
703{
704 const bool isPolygon = type == Qgis::GeometryType::Polygon;
705 mAnchorPointLbl->setEnabled( isPolygon );
706 mAnchorPointLbl->setVisible( isPolygon );
707 mAnchorPointComboBox->setEnabled( isPolygon );
708 mAnchorPointComboBox->setVisible( isPolygon );
709 mAnchorPointDDBtn->setEnabled( isPolygon );
710 mAnchorPointDDBtn->setVisible( isPolygon );
711}
712
713QgsCallout *QgsBalloonCalloutWidget::callout()
714{
715 return mCallout.get();
716}
717
718void QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged()
719{
720 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
721 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
722 emit changed();
723}
724
725void QgsBalloonCalloutWidget::offsetFromAnchorChanged()
726{
727 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
728 emit changed();
729}
730
731void QgsBalloonCalloutWidget::fillSymbolChanged()
732{
733 mCallout->setFillSymbol( mCalloutFillStyleButton->clonedSymbol<QgsFillSymbol>() );
734 emit changed();
735}
736
737void QgsBalloonCalloutWidget::markerSymbolChanged()
738{
739 mCallout->setMarkerSymbol( mMarkerSymbolButton->isNull() ? nullptr : mMarkerSymbolButton->clonedSymbol<QgsMarkerSymbol>() );
740 emit changed();
741}
742
743void QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
744{
745 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
746 emit changed();
747}
748
749void QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
750{
751 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
752 emit changed();
753}
754
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:85
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:78
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: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:952
QgsPropertyOverrideButton::propertyKey
int propertyKey() const
Returns the property key linked to the button.
Definition qgspropertyoverridebutton.h:107
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:160
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:5970
QgsExpressionContextScope::StaticVariable
Single variable definition for use within a QgsExpressionContextScope.
Definition qgsexpressioncontext.h:122
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