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qgssymbollayerwidget.cpp
4337 lines (3752 loc) · 173 KB
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qgssymbollayerwidget.cpp
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/***************************************************************************
qgssymbollayerwidget.cpp - symbol layer widgets
---------------------
begin : November 2009
copyright : (C) 2009 by Martin Dobias
email : wonder dot sk at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgssymbollayerwidget.h"
#include "qgslinesymbollayer.h"
#include "qgsmarkersymbollayer.h"
#include "qgsfillsymbollayer.h"
#include "qgsgeometrygeneratorsymbollayer.h"
#include "qgssymbolslistwidget.h"
#include "qgsexpressioncontextutils.h"
#include "characterwidget.h"
#include "qgsdashspacedialog.h"
#include "qgssymbolselectordialog.h"
#include "qgssvgcache.h"
#include "qgssymbollayerutils.h"
#include "qgscolorramp.h"
#include "qgscolorrampbutton.h"
#include "qgsfontutils.h"
#include "qgsgradientcolorrampdialog.h"
#include "qgsproperty.h"
#include "qgsstyle.h" //for symbol selector dialog
#include "qgsmapcanvas.h"
#include "qgsapplication.h"
#include "qgsvectorlayer.h"
#include "qgssvgselectorwidget.h"
#include "qgslogger.h"
#include "qgssettings.h"
#include "qgsnewauxiliarylayerdialog.h"
#include "qgsnewauxiliaryfielddialog.h"
#include "qgsauxiliarystorage.h"
#include "qgsimagecache.h"
#include <QAbstractButton>
#include <QButtonGroup>
#include <QColorDialog>
#include <QCursor>
#include <QDir>
#include <QFileDialog>
#include <QPainter>
#include <QStandardItemModel>
#include <QSvgRenderer>
#include <QMessageBox>
#include <QMenu>
#include <QAction>
#include <QInputDialog>
QgsExpressionContext QgsSymbolLayerWidget::createExpressionContext() const
{
if ( mContext.expressionContext() )
return *mContext.expressionContext();
QgsExpressionContext expContext( mContext.globalProjectAtlasMapLayerScopes( vectorLayer() ) );
QgsExpressionContextScope *symbolScope = QgsExpressionContextUtils::updateSymbolScope( nullptr, new QgsExpressionContextScope() );
if ( const QgsSymbolLayer *symbolLayer = const_cast< QgsSymbolLayerWidget * >( this )->symbolLayer() )
{
//cheat a bit - set the symbol color variable to match the symbol layer's color (when we should really be using the *symbols*
//color, but that's not accessible here). 99% of the time these will be the same anyway
symbolScope->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_SYMBOL_COLOR, symbolLayer->color(), true ) );
}
expContext << symbolScope;
expContext.lastScope()->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_GEOMETRY_PART_COUNT, 1, true ) );
expContext.lastScope()->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_GEOMETRY_PART_NUM, 1, true ) );
expContext.lastScope()->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_GEOMETRY_POINT_COUNT, 1, true ) );
expContext.lastScope()->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_GEOMETRY_POINT_NUM, 1, true ) );
// additional scopes
const auto constAdditionalExpressionContextScopes = mContext.additionalExpressionContextScopes();
for ( const QgsExpressionContextScope &scope : constAdditionalExpressionContextScopes )
{
expContext.appendScope( new QgsExpressionContextScope( scope ) );
}
//TODO - show actual value
expContext.setOriginalValueVariable( QVariant() );
expContext.setHighlightedVariables( QStringList() << QgsExpressionContext::EXPR_ORIGINAL_VALUE << QgsExpressionContext::EXPR_SYMBOL_COLOR
<< QgsExpressionContext::EXPR_GEOMETRY_PART_COUNT << QgsExpressionContext::EXPR_GEOMETRY_PART_NUM
<< QgsExpressionContext::EXPR_GEOMETRY_POINT_COUNT << QgsExpressionContext::EXPR_GEOMETRY_POINT_NUM
<< QgsExpressionContext::EXPR_CLUSTER_COLOR << QgsExpressionContext::EXPR_CLUSTER_SIZE );
return expContext;
}
void QgsSymbolLayerWidget::setContext( const QgsSymbolWidgetContext &context )
{
mContext = context;
const auto unitSelectionWidgets = findChildren<QgsUnitSelectionWidget *>();
for ( QgsUnitSelectionWidget *unitWidget : unitSelectionWidgets )
{
unitWidget->setMapCanvas( mContext.mapCanvas() );
}
}
QgsSymbolWidgetContext QgsSymbolLayerWidget::context() const
{
return mContext;
}
void QgsSymbolLayerWidget::registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsSymbolLayer::Property key )
{
button->init( key, symbolLayer()->dataDefinedProperties(), QgsSymbolLayer::propertyDefinitions(), mVectorLayer, true );
connect( button, &QgsPropertyOverrideButton::changed, this, &QgsSymbolLayerWidget::updateDataDefinedProperty );
connect( button, &QgsPropertyOverrideButton::createAuxiliaryField, this, &QgsSymbolLayerWidget::createAuxiliaryField );
button->registerExpressionContextGenerator( this );
}
void QgsSymbolLayerWidget::createAuxiliaryField()
{
// try to create an auxiliary layer if not yet created
if ( !mVectorLayer->auxiliaryLayer() )
{
QgsNewAuxiliaryLayerDialog dlg( mVectorLayer, this );
dlg.exec();
}
// return if still not exists
if ( !mVectorLayer->auxiliaryLayer() )
return;
QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
QgsSymbolLayer::Property key = static_cast< QgsSymbolLayer::Property >( button->propertyKey() );
QgsPropertyDefinition def = QgsSymbolLayer::propertyDefinitions()[key];
// create property in auxiliary storage if necessary
if ( !mVectorLayer->auxiliaryLayer()->exists( def ) )
{
QgsNewAuxiliaryFieldDialog dlg( def, mVectorLayer, true, this );
if ( dlg.exec() == QDialog::Accepted )
def = dlg.propertyDefinition();
}
// return if still not exist
if ( !mVectorLayer->auxiliaryLayer()->exists( def ) )
return;
// update property with join field name from auxiliary storage
QgsProperty property = button->toProperty();
property.setField( QgsAuxiliaryLayer::nameFromProperty( def, true ) );
property.setActive( true );
button->updateFieldLists();
button->setToProperty( property );
symbolLayer()->setDataDefinedProperty( key, button->toProperty() );
emit changed();
}
void QgsSymbolLayerWidget::updateDataDefinedProperty()
{
QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
QgsSymbolLayer::Property key = static_cast< QgsSymbolLayer::Property >( button->propertyKey() );
symbolLayer()->setDataDefinedProperty( key, button->toProperty() );
emit changed();
}
QgsSimpleLineSymbolLayerWidget::QgsSimpleLineSymbolLayerWidget( QgsVectorLayer *vl, QWidget *parent )
: QgsSymbolLayerWidget( parent, vl )
{
mLayer = nullptr;
setupUi( this );
connect( mCustomCheckBox, &QCheckBox::stateChanged, this, &QgsSimpleLineSymbolLayerWidget::mCustomCheckBox_stateChanged );
connect( mChangePatternButton, &QPushButton::clicked, this, &QgsSimpleLineSymbolLayerWidget::mChangePatternButton_clicked );
connect( mPenWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineSymbolLayerWidget::mPenWidthUnitWidget_changed );
connect( mOffsetUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineSymbolLayerWidget::mOffsetUnitWidget_changed );
connect( mDashPatternUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineSymbolLayerWidget::mDashPatternUnitWidget_changed );
connect( mDrawInsideCheckBox, &QCheckBox::stateChanged, this, &QgsSimpleLineSymbolLayerWidget::mDrawInsideCheckBox_stateChanged );
mPenWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mOffsetUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mDashPatternUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
btnChangeColor->setAllowOpacity( true );
btnChangeColor->setColorDialogTitle( tr( "Select Line Color" ) );
btnChangeColor->setContext( QStringLiteral( "symbology" ) );
mColorDDBtn->registerLinkedWidget( btnChangeColor );
mRingFilterComboBox->addItem( QgsApplication::getThemeIcon( QStringLiteral( "mIconAllRings.svg" ) ), tr( "All Rings" ), QgsLineSymbolLayer::AllRings );
mRingFilterComboBox->addItem( QgsApplication::getThemeIcon( QStringLiteral( "mIconExteriorRing.svg" ) ), tr( "Exterior Ring Only" ), QgsLineSymbolLayer::ExteriorRingOnly );
mRingFilterComboBox->addItem( QgsApplication::getThemeIcon( QStringLiteral( "mIconInteriorRings.svg" ) ), tr( "Interior Rings Only" ), QgsLineSymbolLayer::InteriorRingsOnly );
connect( mRingFilterComboBox, qgis::overload< int >::of( &QComboBox::currentIndexChanged ), this, [ = ]( int )
{
if ( mLayer )
{
mLayer->setRingFilter( static_cast< QgsLineSymbolLayer::RenderRingFilter >( mRingFilterComboBox->currentData().toInt() ) );
emit changed();
}
} );
spinOffset->setClearValue( 0.0 );
if ( vl && vl->geometryType() != QgsWkbTypes::PolygonGeometry )
{
//draw inside polygon checkbox only makes sense for polygon layers
mDrawInsideCheckBox->hide();
mRingFilterComboBox->hide();
mRingsLabel->hide();
}
//make a temporary symbol for the size assistant preview
mAssistantPreviewSymbol.reset( new QgsLineSymbol() );
if ( vectorLayer() )
mPenWidthDDBtn->setSymbol( mAssistantPreviewSymbol );
connect( spinWidth, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineSymbolLayerWidget::penWidthChanged );
connect( btnChangeColor, &QgsColorButton::colorChanged, this, &QgsSimpleLineSymbolLayerWidget::colorChanged );
connect( cboPenStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineSymbolLayerWidget::penStyleChanged );
connect( spinOffset, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineSymbolLayerWidget::offsetChanged );
connect( cboCapStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineSymbolLayerWidget::penStyleChanged );
connect( cboJoinStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineSymbolLayerWidget::penStyleChanged );
updatePatternIcon();
connect( this, &QgsSymbolLayerWidget::changed, this, &QgsSimpleLineSymbolLayerWidget::updateAssistantSymbol );
}
void QgsSimpleLineSymbolLayerWidget::updateAssistantSymbol()
{
for ( int i = mAssistantPreviewSymbol->symbolLayerCount() - 1 ; i >= 0; --i )
{
mAssistantPreviewSymbol->deleteSymbolLayer( i );
}
mAssistantPreviewSymbol->appendSymbolLayer( mLayer->clone() );
QgsProperty ddWidth = mLayer->dataDefinedProperties().property( QgsSymbolLayer::PropertyStrokeWidth );
if ( ddWidth )
mAssistantPreviewSymbol->setDataDefinedWidth( ddWidth );
}
void QgsSimpleLineSymbolLayerWidget::setSymbolLayer( QgsSymbolLayer *layer )
{
if ( !layer || layer->layerType() != QLatin1String( "SimpleLine" ) )
return;
// layer type is correct, we can do the cast
mLayer = static_cast<QgsSimpleLineSymbolLayer *>( layer );
// set units
mPenWidthUnitWidget->blockSignals( true );
mPenWidthUnitWidget->setUnit( mLayer->widthUnit() );
mPenWidthUnitWidget->setMapUnitScale( mLayer->widthMapUnitScale() );
mPenWidthUnitWidget->blockSignals( false );
mOffsetUnitWidget->blockSignals( true );
mOffsetUnitWidget->setUnit( mLayer->offsetUnit() );
mOffsetUnitWidget->setMapUnitScale( mLayer->offsetMapUnitScale() );
mOffsetUnitWidget->blockSignals( false );
mDashPatternUnitWidget->blockSignals( true );
mDashPatternUnitWidget->setUnit( mLayer->customDashPatternUnit() );
mDashPatternUnitWidget->setMapUnitScale( mLayer->customDashPatternMapUnitScale() );
mDashPatternUnitWidget->setMapUnitScale( mLayer->customDashPatternMapUnitScale() );
mDashPatternUnitWidget->blockSignals( false );
// set values
spinWidth->blockSignals( true );
spinWidth->setValue( mLayer->width() );
spinWidth->blockSignals( false );
btnChangeColor->blockSignals( true );
btnChangeColor->setColor( mLayer->color() );
btnChangeColor->blockSignals( false );
spinOffset->blockSignals( true );
spinOffset->setValue( mLayer->offset() );
spinOffset->blockSignals( false );
cboPenStyle->blockSignals( true );
cboJoinStyle->blockSignals( true );
cboCapStyle->blockSignals( true );
cboPenStyle->setPenStyle( mLayer->penStyle() );
cboJoinStyle->setPenJoinStyle( mLayer->penJoinStyle() );
cboCapStyle->setPenCapStyle( mLayer->penCapStyle() );
cboPenStyle->blockSignals( false );
cboJoinStyle->blockSignals( false );
cboCapStyle->blockSignals( false );
//use a custom dash pattern?
bool useCustomDashPattern = mLayer->useCustomDashPattern();
mChangePatternButton->setEnabled( useCustomDashPattern );
label_3->setEnabled( !useCustomDashPattern );
cboPenStyle->setEnabled( !useCustomDashPattern );
mCustomCheckBox->blockSignals( true );
mCustomCheckBox->setCheckState( useCustomDashPattern ? Qt::Checked : Qt::Unchecked );
mCustomCheckBox->blockSignals( false );
//make sure height of custom dash button looks good under different platforms
QSize size = mChangePatternButton->minimumSizeHint();
int fontHeight = static_cast< int >( Qgis::UI_SCALE_FACTOR * fontMetrics().height() * 1.4 );
mChangePatternButton->setMinimumSize( QSize( size.width(), std::max( size.height(), fontHeight ) ) );
//draw inside polygon?
const bool drawInsidePolygon = mLayer->drawInsidePolygon();
whileBlocking( mDrawInsideCheckBox )->setCheckState( drawInsidePolygon ? Qt::Checked : Qt::Unchecked );
whileBlocking( mRingFilterComboBox )->setCurrentIndex( mRingFilterComboBox->findData( mLayer->ringFilter() ) );
updatePatternIcon();
registerDataDefinedButton( mColorDDBtn, QgsSymbolLayer::PropertyStrokeColor );
registerDataDefinedButton( mPenWidthDDBtn, QgsSymbolLayer::PropertyStrokeWidth );
registerDataDefinedButton( mOffsetDDBtn, QgsSymbolLayer::PropertyOffset );
registerDataDefinedButton( mDashPatternDDBtn, QgsSymbolLayer::PropertyCustomDash );
registerDataDefinedButton( mPenStyleDDBtn, QgsSymbolLayer::PropertyStrokeStyle );
registerDataDefinedButton( mJoinStyleDDBtn, QgsSymbolLayer::PropertyJoinStyle );
registerDataDefinedButton( mCapStyleDDBtn, QgsSymbolLayer::PropertyCapStyle );
updateAssistantSymbol();
}
QgsSymbolLayer *QgsSimpleLineSymbolLayerWidget::symbolLayer()
{
return mLayer;
}
void QgsSimpleLineSymbolLayerWidget::penWidthChanged()
{
mLayer->setWidth( spinWidth->value() );
updatePatternIcon();
emit changed();
}
void QgsSimpleLineSymbolLayerWidget::colorChanged( const QColor &color )
{
mLayer->setColor( color );
emit changed();
}
void QgsSimpleLineSymbolLayerWidget::penStyleChanged()
{
mLayer->setPenStyle( cboPenStyle->penStyle() );
mLayer->setPenJoinStyle( cboJoinStyle->penJoinStyle() );
mLayer->setPenCapStyle( cboCapStyle->penCapStyle() );
updatePatternIcon();
emit changed();
}
void QgsSimpleLineSymbolLayerWidget::offsetChanged()
{
mLayer->setOffset( spinOffset->value() );
updatePatternIcon();
emit changed();
}
void QgsSimpleLineSymbolLayerWidget::mCustomCheckBox_stateChanged( int state )
{
bool checked = ( state == Qt::Checked );
mChangePatternButton->setEnabled( checked );
label_3->setEnabled( !checked );
cboPenStyle->setEnabled( !checked );
mLayer->setUseCustomDashPattern( checked );
emit changed();
}
void QgsSimpleLineSymbolLayerWidget::mChangePatternButton_clicked()
{
QgsPanelWidget *panel = QgsPanelWidget::findParentPanel( this );
if ( panel && panel->dockMode() )
{
QgsDashSpaceWidget *widget = new QgsDashSpaceWidget( mLayer->customDashVector(), panel );
widget->setPanelTitle( tr( "Custom Dash Pattern" ) );
widget->setUnit( mDashPatternUnitWidget->unit() );
connect( widget, &QgsPanelWidget::widgetChanged, this, [ this, widget ]()
{
mLayer->setCustomDashVector( widget->dashDotVector() );
updatePatternIcon();
} );
connect( widget, &QgsPanelWidget::widgetChanged, this, &QgsSymbolLayerWidget::changed );
panel->openPanel( widget );
return;
}
QgsDashSpaceDialog d( mLayer->customDashVector() );
d.setUnit( mDashPatternUnitWidget->unit() );
if ( d.exec() == QDialog::Accepted )
{
mLayer->setCustomDashVector( d.dashDotVector() );
updatePatternIcon();
emit changed();
}
}
void QgsSimpleLineSymbolLayerWidget::mPenWidthUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setWidthUnit( mPenWidthUnitWidget->unit() );
mLayer->setWidthMapUnitScale( mPenWidthUnitWidget->getMapUnitScale() );
updatePatternIcon();
emit changed();
}
}
void QgsSimpleLineSymbolLayerWidget::mOffsetUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setOffsetUnit( mOffsetUnitWidget->unit() );
mLayer->setOffsetMapUnitScale( mOffsetUnitWidget->getMapUnitScale() );
emit changed();
}
}
void QgsSimpleLineSymbolLayerWidget::mDashPatternUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setCustomDashPatternUnit( mDashPatternUnitWidget->unit() );
mLayer->setCustomDashPatternMapUnitScale( mDashPatternUnitWidget->getMapUnitScale() );
updatePatternIcon();
emit changed();
}
}
void QgsSimpleLineSymbolLayerWidget::mDrawInsideCheckBox_stateChanged( int state )
{
bool checked = ( state == Qt::Checked );
mLayer->setDrawInsidePolygon( checked );
emit changed();
}
void QgsSimpleLineSymbolLayerWidget::updatePatternIcon()
{
if ( !mLayer )
{
return;
}
std::unique_ptr< QgsSimpleLineSymbolLayer > layerCopy( mLayer->clone() );
if ( !layerCopy )
{
return;
}
QColor color = qApp->palette().color( QPalette::WindowText );
layerCopy->setColor( color );
// reset offset, we don't want to show that in the preview
layerCopy->setOffset( 0 );
layerCopy->setUseCustomDashPattern( true );
QSize currentIconSize;
//icon size is button size with a small margin
#ifdef Q_OS_WIN
currentIconSize = QSize( mChangePatternButton->width() - 10, mChangePatternButton->height() - 6 );
#else
currentIconSize = QSize( mChangePatternButton->width() - 10, mChangePatternButton->height() - 12 );
#endif
if ( !currentIconSize.isValid() || currentIconSize.width() <= 0 || currentIconSize.height() <= 0 )
{
return;
}
//create an icon pixmap
std::unique_ptr< QgsLineSymbol > previewSymbol = qgis::make_unique< QgsLineSymbol >( QgsSymbolLayerList() << layerCopy.release() );
const QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( previewSymbol.get(), currentIconSize );
mChangePatternButton->setIconSize( currentIconSize );
mChangePatternButton->setIcon( icon );
// set tooltip
// create very large preview image
#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
int width = static_cast< int >( Qgis::UI_SCALE_FACTOR * fontMetrics().width( 'X' ) * 23 );
#else
int width = static_cast< int >( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 23 );
#endif
int height = static_cast< int >( width / 1.61803398875 ); // golden ratio
QPixmap pm = QgsSymbolLayerUtils::symbolPreviewPixmap( previewSymbol.get(), QSize( width, height ), height / 20 );
QByteArray data;
QBuffer buffer( &data );
pm.save( &buffer, "PNG", 100 );
mChangePatternButton->setToolTip( QStringLiteral( "<img src='data:image/png;base64, %3'>" ).arg( QString( data.toBase64() ) ) );
}
void QgsSimpleLineSymbolLayerWidget::resizeEvent( QResizeEvent *event )
{
QgsSymbolLayerWidget::resizeEvent( event );
// redraw custom dash pattern icon -- the button size has changed
updatePatternIcon();
}
///////////
QgsSimpleMarkerSymbolLayerWidget::QgsSimpleMarkerSymbolLayerWidget( QgsVectorLayer *vl, QWidget *parent )
: QgsSymbolLayerWidget( parent, vl )
{
mLayer = nullptr;
setupUi( this );
connect( mSizeUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleMarkerSymbolLayerWidget::mSizeUnitWidget_changed );
connect( mOffsetUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleMarkerSymbolLayerWidget::mOffsetUnitWidget_changed );
connect( mStrokeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleMarkerSymbolLayerWidget::mStrokeWidthUnitWidget_changed );
connect( mStrokeStyleComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::mStrokeStyleComboBox_currentIndexChanged );
connect( mStrokeWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::mStrokeWidthSpinBox_valueChanged );
connect( mHorizontalAnchorComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::mHorizontalAnchorComboBox_currentIndexChanged );
connect( mVerticalAnchorComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::mVerticalAnchorComboBox_currentIndexChanged );
mSizeUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mOffsetUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mStrokeWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
btnChangeColorFill->setAllowOpacity( true );
btnChangeColorFill->setColorDialogTitle( tr( "Select Fill Color" ) );
btnChangeColorFill->setContext( QStringLiteral( "symbology" ) );
btnChangeColorFill->setShowNoColor( true );
btnChangeColorFill->setNoColorString( tr( "Transparent Fill" ) );
btnChangeColorStroke->setAllowOpacity( true );
btnChangeColorStroke->setColorDialogTitle( tr( "Select Stroke Color" ) );
btnChangeColorStroke->setContext( QStringLiteral( "symbology" ) );
btnChangeColorStroke->setShowNoColor( true );
btnChangeColorStroke->setNoColorString( tr( "Transparent Stroke" ) );
mFillColorDDBtn->registerLinkedWidget( btnChangeColorFill );
mStrokeColorDDBtn->registerLinkedWidget( btnChangeColorStroke );
spinOffsetX->setClearValue( 0.0 );
spinOffsetY->setClearValue( 0.0 );
spinAngle->setClearValue( 0.0 );
//make a temporary symbol for the size assistant preview
mAssistantPreviewSymbol.reset( new QgsMarkerSymbol() );
if ( vectorLayer() )
mSizeDDBtn->setSymbol( mAssistantPreviewSymbol );
int size = lstNames->iconSize().width();
#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
size = std::max( 30, static_cast< int >( std::round( Qgis::UI_SCALE_FACTOR * fontMetrics().width( 'X' ) * 3 ) ) );
#else
size = std::max( 30, static_cast< int >( std::round( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 3 ) ) );
#endif
lstNames->setGridSize( QSize( size * 1.2, size * 1.2 ) );
lstNames->setIconSize( QSize( size, size ) );
double markerSize = size * 0.8;
const auto shapes = QgsSimpleMarkerSymbolLayerBase::availableShapes();
for ( QgsSimpleMarkerSymbolLayerBase::Shape shape : shapes )
{
QgsSimpleMarkerSymbolLayer *lyr = new QgsSimpleMarkerSymbolLayer( shape, markerSize );
lyr->setSizeUnit( QgsUnitTypes::RenderPixels );
lyr->setColor( QColor( 200, 200, 200 ) );
lyr->setStrokeColor( QColor( 0, 0, 0 ) );
QIcon icon = QgsSymbolLayerUtils::symbolLayerPreviewIcon( lyr, QgsUnitTypes::RenderPixels, QSize( size, size ) );
QListWidgetItem *item = new QListWidgetItem( icon, QString(), lstNames );
item->setData( Qt::UserRole, static_cast< int >( shape ) );
item->setToolTip( QgsSimpleMarkerSymbolLayerBase::encodeShape( shape ) );
delete lyr;
}
// show at least 3 rows
lstNames->setMinimumHeight( lstNames->gridSize().height() * 3.1 );
connect( lstNames, &QListWidget::currentRowChanged, this, &QgsSimpleMarkerSymbolLayerWidget::setShape );
connect( btnChangeColorStroke, &QgsColorButton::colorChanged, this, &QgsSimpleMarkerSymbolLayerWidget::setColorStroke );
connect( btnChangeColorFill, &QgsColorButton::colorChanged, this, &QgsSimpleMarkerSymbolLayerWidget::setColorFill );
connect( cboJoinStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::penJoinStyleChanged );
connect( spinSize, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::setSize );
connect( spinAngle, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::setAngle );
connect( spinOffsetX, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::setOffset );
connect( spinOffsetY, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleMarkerSymbolLayerWidget::setOffset );
connect( this, &QgsSymbolLayerWidget::changed, this, &QgsSimpleMarkerSymbolLayerWidget::updateAssistantSymbol );
}
void QgsSimpleMarkerSymbolLayerWidget::setSymbolLayer( QgsSymbolLayer *layer )
{
if ( layer->layerType() != QLatin1String( "SimpleMarker" ) )
return;
// layer type is correct, we can do the cast
mLayer = static_cast<QgsSimpleMarkerSymbolLayer *>( layer );
// set values
QgsSimpleMarkerSymbolLayerBase::Shape shape = mLayer->shape();
for ( int i = 0; i < lstNames->count(); ++i )
{
if ( static_cast< QgsSimpleMarkerSymbolLayerBase::Shape >( lstNames->item( i )->data( Qt::UserRole ).toInt() ) == shape )
{
lstNames->setCurrentRow( i );
break;
}
}
btnChangeColorStroke->blockSignals( true );
btnChangeColorStroke->setColor( mLayer->strokeColor() );
btnChangeColorStroke->blockSignals( false );
btnChangeColorFill->blockSignals( true );
btnChangeColorFill->setColor( mLayer->fillColor() );
btnChangeColorFill->setEnabled( QgsSimpleMarkerSymbolLayerBase::shapeIsFilled( mLayer->shape() ) );
btnChangeColorFill->blockSignals( false );
spinSize->blockSignals( true );
spinSize->setValue( mLayer->size() );
spinSize->blockSignals( false );
spinAngle->blockSignals( true );
spinAngle->setValue( mLayer->angle() );
spinAngle->blockSignals( false );
mStrokeStyleComboBox->blockSignals( true );
mStrokeStyleComboBox->setPenStyle( mLayer->strokeStyle() );
mStrokeStyleComboBox->blockSignals( false );
mStrokeWidthSpinBox->blockSignals( true );
mStrokeWidthSpinBox->setValue( mLayer->strokeWidth() );
mStrokeWidthSpinBox->blockSignals( false );
cboJoinStyle->blockSignals( true );
cboJoinStyle->setPenJoinStyle( mLayer->penJoinStyle() );
cboJoinStyle->blockSignals( false );
// without blocking signals the value gets changed because of slot setOffset()
spinOffsetX->blockSignals( true );
spinOffsetX->setValue( mLayer->offset().x() );
spinOffsetX->blockSignals( false );
spinOffsetY->blockSignals( true );
spinOffsetY->setValue( mLayer->offset().y() );
spinOffsetY->blockSignals( false );
mSizeUnitWidget->blockSignals( true );
mSizeUnitWidget->setUnit( mLayer->sizeUnit() );
mSizeUnitWidget->setMapUnitScale( mLayer->sizeMapUnitScale() );
mSizeUnitWidget->blockSignals( false );
mOffsetUnitWidget->blockSignals( true );
mOffsetUnitWidget->setUnit( mLayer->offsetUnit() );
mOffsetUnitWidget->setMapUnitScale( mLayer->offsetMapUnitScale() );
mOffsetUnitWidget->blockSignals( false );
mStrokeWidthUnitWidget->blockSignals( true );
mStrokeWidthUnitWidget->setUnit( mLayer->strokeWidthUnit() );
mStrokeWidthUnitWidget->setMapUnitScale( mLayer->strokeWidthMapUnitScale() );
mStrokeWidthUnitWidget->blockSignals( false );
//anchor points
mHorizontalAnchorComboBox->blockSignals( true );
mVerticalAnchorComboBox->blockSignals( true );
mHorizontalAnchorComboBox->setCurrentIndex( mLayer->horizontalAnchorPoint() );
mVerticalAnchorComboBox->setCurrentIndex( mLayer->verticalAnchorPoint() );
mHorizontalAnchorComboBox->blockSignals( false );
mVerticalAnchorComboBox->blockSignals( false );
registerDataDefinedButton( mNameDDBtn, QgsSymbolLayer::PropertyName );
registerDataDefinedButton( mFillColorDDBtn, QgsSymbolLayer::PropertyFillColor );
registerDataDefinedButton( mStrokeColorDDBtn, QgsSymbolLayer::PropertyStrokeColor );
registerDataDefinedButton( mStrokeWidthDDBtn, QgsSymbolLayer::PropertyStrokeWidth );
registerDataDefinedButton( mStrokeStyleDDBtn, QgsSymbolLayer::PropertyStrokeStyle );
registerDataDefinedButton( mJoinStyleDDBtn, QgsSymbolLayer::PropertyJoinStyle );
registerDataDefinedButton( mSizeDDBtn, QgsSymbolLayer::PropertySize );
registerDataDefinedButton( mAngleDDBtn, QgsSymbolLayer::PropertyAngle );
registerDataDefinedButton( mOffsetDDBtn, QgsSymbolLayer::PropertyOffset );
registerDataDefinedButton( mHorizontalAnchorDDBtn, QgsSymbolLayer::PropertyHorizontalAnchor );
registerDataDefinedButton( mVerticalAnchorDDBtn, QgsSymbolLayer::PropertyVerticalAnchor );
updateAssistantSymbol();
}
QgsSymbolLayer *QgsSimpleMarkerSymbolLayerWidget::symbolLayer()
{
return mLayer;
}
void QgsSimpleMarkerSymbolLayerWidget::setShape()
{
mLayer->setShape( static_cast< QgsSimpleMarkerSymbolLayerBase::Shape>( lstNames->currentItem()->data( Qt::UserRole ).toInt() ) );
btnChangeColorFill->setEnabled( QgsSimpleMarkerSymbolLayerBase::shapeIsFilled( mLayer->shape() ) );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::setColorStroke( const QColor &color )
{
mLayer->setStrokeColor( color );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::setColorFill( const QColor &color )
{
mLayer->setColor( color );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::penJoinStyleChanged()
{
mLayer->setPenJoinStyle( cboJoinStyle->penJoinStyle() );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::setSize()
{
mLayer->setSize( spinSize->value() );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::setAngle()
{
mLayer->setAngle( spinAngle->value() );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::setOffset()
{
mLayer->setOffset( QPointF( spinOffsetX->value(), spinOffsetY->value() ) );
emit changed();
}
void QgsSimpleMarkerSymbolLayerWidget::mStrokeStyleComboBox_currentIndexChanged( int index )
{
Q_UNUSED( index )
if ( mLayer )
{
mLayer->setStrokeStyle( mStrokeStyleComboBox->penStyle() );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::mStrokeWidthSpinBox_valueChanged( double d )
{
if ( mLayer )
{
mLayer->setStrokeWidth( d );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::mSizeUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setSizeUnit( mSizeUnitWidget->unit() );
mLayer->setSizeMapUnitScale( mSizeUnitWidget->getMapUnitScale() );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::mOffsetUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setOffsetUnit( mOffsetUnitWidget->unit() );
mLayer->setOffsetMapUnitScale( mOffsetUnitWidget->getMapUnitScale() );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::mStrokeWidthUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setStrokeWidthUnit( mStrokeWidthUnitWidget->unit() );
mLayer->setStrokeWidthMapUnitScale( mStrokeWidthUnitWidget->getMapUnitScale() );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::mHorizontalAnchorComboBox_currentIndexChanged( int index )
{
if ( mLayer )
{
mLayer->setHorizontalAnchorPoint( ( QgsMarkerSymbolLayer::HorizontalAnchorPoint ) index );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::mVerticalAnchorComboBox_currentIndexChanged( int index )
{
if ( mLayer )
{
mLayer->setVerticalAnchorPoint( ( QgsMarkerSymbolLayer::VerticalAnchorPoint ) index );
emit changed();
}
}
void QgsSimpleMarkerSymbolLayerWidget::updateAssistantSymbol()
{
for ( int i = mAssistantPreviewSymbol->symbolLayerCount() - 1 ; i >= 0; --i )
{
mAssistantPreviewSymbol->deleteSymbolLayer( i );
}
mAssistantPreviewSymbol->appendSymbolLayer( mLayer->clone() );
QgsProperty ddSize = mLayer->dataDefinedProperties().property( QgsSymbolLayer::PropertySize );
if ( ddSize )
mAssistantPreviewSymbol->setDataDefinedSize( ddSize );
}
///////////
QgsSimpleFillSymbolLayerWidget::QgsSimpleFillSymbolLayerWidget( QgsVectorLayer *vl, QWidget *parent )
: QgsSymbolLayerWidget( parent, vl )
{
mLayer = nullptr;
setupUi( this );
connect( mStrokeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleFillSymbolLayerWidget::mStrokeWidthUnitWidget_changed );
connect( mOffsetUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleFillSymbolLayerWidget::mOffsetUnitWidget_changed );
mStrokeWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mOffsetUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
btnChangeColor->setAllowOpacity( true );
btnChangeColor->setColorDialogTitle( tr( "Select Fill Color" ) );
btnChangeColor->setContext( QStringLiteral( "symbology" ) );
btnChangeColor->setShowNoColor( true );
btnChangeColor->setNoColorString( tr( "Transparent Fill" ) );
btnChangeStrokeColor->setAllowOpacity( true );
btnChangeStrokeColor->setColorDialogTitle( tr( "Select Stroke Color" ) );
btnChangeStrokeColor->setContext( QStringLiteral( "symbology" ) );
btnChangeStrokeColor->setShowNoColor( true );
btnChangeStrokeColor->setNoColorString( tr( "Transparent Stroke" ) );
spinOffsetX->setClearValue( 0.0 );
spinOffsetY->setClearValue( 0.0 );
connect( btnChangeColor, &QgsColorButton::colorChanged, this, &QgsSimpleFillSymbolLayerWidget::setColor );
connect( cboFillStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleFillSymbolLayerWidget::setBrushStyle );
connect( btnChangeStrokeColor, &QgsColorButton::colorChanged, this, &QgsSimpleFillSymbolLayerWidget::setStrokeColor );
connect( spinStrokeWidth, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleFillSymbolLayerWidget::strokeWidthChanged );
connect( cboStrokeStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleFillSymbolLayerWidget::strokeStyleChanged );
connect( cboJoinStyle, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleFillSymbolLayerWidget::strokeStyleChanged );
connect( spinOffsetX, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleFillSymbolLayerWidget::offsetChanged );
connect( spinOffsetY, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleFillSymbolLayerWidget::offsetChanged );
mFillColorDDBtn->registerLinkedWidget( btnChangeColor );
mStrokeColorDDBtn->registerLinkedWidget( btnChangeStrokeColor );
}
void QgsSimpleFillSymbolLayerWidget::setSymbolLayer( QgsSymbolLayer *layer )
{
if ( layer->layerType() != QLatin1String( "SimpleFill" ) )
return;
// layer type is correct, we can do the cast
mLayer = static_cast<QgsSimpleFillSymbolLayer *>( layer );
// set values
btnChangeColor->blockSignals( true );
btnChangeColor->setColor( mLayer->color() );
btnChangeColor->blockSignals( false );
cboFillStyle->blockSignals( true );
cboFillStyle->setBrushStyle( mLayer->brushStyle() );
cboFillStyle->blockSignals( false );
btnChangeStrokeColor->blockSignals( true );
btnChangeStrokeColor->setColor( mLayer->strokeColor() );
btnChangeStrokeColor->blockSignals( false );
cboStrokeStyle->blockSignals( true );
cboStrokeStyle->setPenStyle( mLayer->strokeStyle() );
cboStrokeStyle->blockSignals( false );
spinStrokeWidth->blockSignals( true );
spinStrokeWidth->setValue( mLayer->strokeWidth() );
spinStrokeWidth->blockSignals( false );
cboJoinStyle->blockSignals( true );
cboJoinStyle->setPenJoinStyle( mLayer->penJoinStyle() );
cboJoinStyle->blockSignals( false );
spinOffsetX->blockSignals( true );
spinOffsetX->setValue( mLayer->offset().x() );
spinOffsetX->blockSignals( false );
spinOffsetY->blockSignals( true );
spinOffsetY->setValue( mLayer->offset().y() );
spinOffsetY->blockSignals( false );
mStrokeWidthUnitWidget->blockSignals( true );
mStrokeWidthUnitWidget->setUnit( mLayer->strokeWidthUnit() );
mStrokeWidthUnitWidget->setMapUnitScale( mLayer->strokeWidthMapUnitScale() );
mStrokeWidthUnitWidget->blockSignals( false );
mOffsetUnitWidget->blockSignals( true );
mOffsetUnitWidget->setUnit( mLayer->offsetUnit() );
mOffsetUnitWidget->setMapUnitScale( mLayer->offsetMapUnitScale() );
mOffsetUnitWidget->blockSignals( false );
registerDataDefinedButton( mFillColorDDBtn, QgsSymbolLayer::PropertyFillColor );
registerDataDefinedButton( mStrokeColorDDBtn, QgsSymbolLayer::PropertyStrokeColor );
registerDataDefinedButton( mStrokeWidthDDBtn, QgsSymbolLayer::PropertyStrokeWidth );
registerDataDefinedButton( mFillStyleDDBtn, QgsSymbolLayer::PropertyFillStyle );
registerDataDefinedButton( mStrokeStyleDDBtn, QgsSymbolLayer::PropertyStrokeStyle );
registerDataDefinedButton( mJoinStyleDDBtn, QgsSymbolLayer::PropertyJoinStyle );
}
QgsSymbolLayer *QgsSimpleFillSymbolLayerWidget::symbolLayer()
{
return mLayer;
}
void QgsSimpleFillSymbolLayerWidget::setColor( const QColor &color )
{
mLayer->setColor( color );
emit changed();
}
void QgsSimpleFillSymbolLayerWidget::setStrokeColor( const QColor &color )
{
mLayer->setStrokeColor( color );
emit changed();
}
void QgsSimpleFillSymbolLayerWidget::setBrushStyle()
{
mLayer->setBrushStyle( cboFillStyle->brushStyle() );
emit changed();
}
void QgsSimpleFillSymbolLayerWidget::strokeWidthChanged()
{
mLayer->setStrokeWidth( spinStrokeWidth->value() );
emit changed();
}
void QgsSimpleFillSymbolLayerWidget::strokeStyleChanged()
{
mLayer->setStrokeStyle( cboStrokeStyle->penStyle() );
mLayer->setPenJoinStyle( cboJoinStyle->penJoinStyle() );
emit changed();
}
void QgsSimpleFillSymbolLayerWidget::offsetChanged()
{
mLayer->setOffset( QPointF( spinOffsetX->value(), spinOffsetY->value() ) );
emit changed();
}
void QgsSimpleFillSymbolLayerWidget::mStrokeWidthUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setStrokeWidthUnit( mStrokeWidthUnitWidget->unit() );
mLayer->setStrokeWidthMapUnitScale( mStrokeWidthUnitWidget->getMapUnitScale() );
emit changed();
}
}
void QgsSimpleFillSymbolLayerWidget::mOffsetUnitWidget_changed()
{
if ( mLayer )
{
mLayer->setOffsetUnit( mOffsetUnitWidget->unit() );
mLayer->setOffsetMapUnitScale( mOffsetUnitWidget->getMapUnitScale() );
emit changed();
}
}
///////////
QgsFilledMarkerSymbolLayerWidget::QgsFilledMarkerSymbolLayerWidget( QgsVectorLayer *vl, QWidget *parent )
: QgsSymbolLayerWidget( parent, vl )
{
mLayer = nullptr;
setupUi( this );
connect( mSizeUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsFilledMarkerSymbolLayerWidget::mSizeUnitWidget_changed );
connect( mOffsetUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsFilledMarkerSymbolLayerWidget::mOffsetUnitWidget_changed );
connect( mHorizontalAnchorComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsFilledMarkerSymbolLayerWidget::mHorizontalAnchorComboBox_currentIndexChanged );
connect( mVerticalAnchorComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsFilledMarkerSymbolLayerWidget::mVerticalAnchorComboBox_currentIndexChanged );
mSizeUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
mOffsetUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << QgsUnitTypes::RenderMillimeters << QgsUnitTypes::RenderMetersInMapUnits << QgsUnitTypes::RenderMapUnits << QgsUnitTypes::RenderPixels
<< QgsUnitTypes::RenderPoints << QgsUnitTypes::RenderInches );
spinOffsetX->setClearValue( 0.0 );
spinOffsetY->setClearValue( 0.0 );
spinAngle->setClearValue( 0.0 );
//make a temporary symbol for the size assistant preview
mAssistantPreviewSymbol.reset( new QgsMarkerSymbol() );
if ( vectorLayer() )
mSizeDDBtn->setSymbol( mAssistantPreviewSymbol );
int size = lstNames->iconSize().width();
#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
size = std::max( 30, static_cast< int >( std::round( Qgis::UI_SCALE_FACTOR * fontMetrics().width( 'X' ) * 3 ) ) );
#else
size = std::max( 30, static_cast< int >( std::round( Qgis::UI_SCALE_FACTOR * fontMetrics().horizontalAdvance( 'X' ) * 3 ) ) );
#endif
lstNames->setGridSize( QSize( size * 1.2, size * 1.2 ) );
lstNames->setIconSize( QSize( size, size ) );
double markerSize = size * 0.8;
const auto shapes = QgsSimpleMarkerSymbolLayerBase::availableShapes();
for ( QgsSimpleMarkerSymbolLayerBase::Shape shape : shapes )
{
QgsSimpleMarkerSymbolLayer *lyr = new QgsSimpleMarkerSymbolLayer( shape, markerSize );
lyr->setSizeUnit( QgsUnitTypes::RenderPixels );
lyr->setColor( QColor( 200, 200, 200 ) );
lyr->setStrokeColor( QColor( 0, 0, 0 ) );
QIcon icon = QgsSymbolLayerUtils::symbolLayerPreviewIcon( lyr, QgsUnitTypes::RenderPixels, QSize( size, size ) );
QListWidgetItem *item = new QListWidgetItem( icon, QString(), lstNames );