Run clang-tidy code readability fixits

src/analysis/vector/geometry_checker/qgsgeometryareacheck.cpp

@@ -173,7 +173,7 @@ bool QgsGeometryAreaCheck::mergeWithNeighbor( const QString &layerId, QgsFeature
 
   if ( !matchFound && maxVal == 0. )
   {
-    return method == MergeIdenticalAttribute ? true : false;
+    return method == MergeIdenticalAttribute;
   }
 
   // Merge geometries

src/analysis/vector/geometry_checker/qgsgeometrycheck.cpp

@@ -97,7 +97,7 @@ bool QgsGeometryCheckError::handleChanges( const QgsGeometryCheck::Changes &chan
         // If the check is checking the feature at geometry nodes level, the
         // error almost certainly invalid after a geometry change. In the other
         // cases, it might likely still be valid.
-        return mCheck->getCheckType() == QgsGeometryCheck::FeatureNodeCheck ? false : true;
+        return mCheck->getCheckType() != QgsGeometryCheck::FeatureNodeCheck;
       }
     }
     else if ( change.what == QgsGeometryCheck::ChangePart )

src/analysis/vector/geometry_checker/qgsgeometrypointcoveredbylinecheck.cpp

@@ -53,12 +53,12 @@ void QgsGeometryPointCoveredByLineCheck::collectErrors( QList<QgsGeometryCheckEr
             break;
           }
         }
-        if ( touches == true )
+        if ( touches )
         {
           break;
         }
       }
-      if ( touches == true )
+      if ( touches )
       {
         continue;
       }

src/app/qgsmaptooldeletepart.cpp

@@ -112,7 +112,6 @@ void QgsMapToolDeletePart::canvasReleaseEvent( QgsMapMouseEvent *e )
   {
     emit messageEmitted( tr( "Couldn't remove the selected part." ) );
   }
-  return;
 }
 
 QgsGeometry QgsMapToolDeletePart::partUnderPoint( QPoint point, QgsFeatureId &fid, int &partNum )

src/app/qgswelcomepageitemsmodel.cpp

@@ -77,7 +77,7 @@ void QgsWelcomePageItemDelegate::paint( QPainter *painter, const QStyleOptionVie
 
   doc.setHtml( QStringLiteral( "<div style='font-size:%1px;'><span style='font-size:%2px;font-weight:bold;'>%3%4</span><br>%5<br>%6</div>" ).arg( textSize ).arg( titleSize )
                .arg( index.data( QgsWelcomePageItemsModel::TitleRole ).toString(),
-                     index.data( QgsWelcomePageItemsModel::PinRole ).toBool() == true ? QStringLiteral( "<img src=\"qrc:/images/themes/default/pin.svg\">" ) : QString(),
+                     index.data( QgsWelcomePageItemsModel::PinRole ).toBool() ? QStringLiteral( "<img src=\"qrc:/images/themes/default/pin.svg\">" ) : QString(),
                      index.data( QgsWelcomePageItemsModel::NativePathRole ).toString(),
                      index.data( QgsWelcomePageItemsModel::CrsRole ).toString() ) );
   doc.setTextWidth( option.rect.width() - ( !icon.isNull() ? icon.width() + 35 : 35 ) );
@@ -114,7 +114,7 @@ QSize QgsWelcomePageItemDelegate::sizeHint( const QStyleOptionViewItem &option,
 
   doc.setHtml( QStringLiteral( "<div style='font-size:%1px;'><span style='font-size:%2px;font-weight:bold;'>%3%4</span><br>%5<br>%6</div>" ).arg( textSize ).arg( titleSize )
                .arg( index.data( QgsWelcomePageItemsModel::TitleRole ).toString(),
-                     index.data( QgsWelcomePageItemsModel::PinRole ).toBool() == true ? QStringLiteral( "<img src=\"qrc:/images/themes/default/pin.svg\">" ) : QString(),
+                     index.data( QgsWelcomePageItemsModel::PinRole ).toBool() ? QStringLiteral( "<img src=\"qrc:/images/themes/default/pin.svg\">" ) : QString(),
                      index.data( QgsWelcomePageItemsModel::NativePathRole ).toString(),
                      index.data( QgsWelcomePageItemsModel::CrsRole ).toString() ) );
   doc.setTextWidth( width - ( !icon.isNull() ? icon.width() + 35 : 35 ) );

src/core/pal/rtree.hpp

@@ -389,11 +389,7 @@ namespace pal
           fclose( m_file );
 
         m_file = fopen( a_fileName, "rb" );
-        if ( !m_file )
+        return m_file != nullptr;
-        {
-          return false;
-        }
-        return true;
       }
 
       bool OpenWrite( const char *a_fileName )
@@ -402,11 +398,7 @@ namespace pal
           fclose( m_file );
 
         m_file = fopen( a_fileName, "wb" );
-        if ( !m_file )
+        return m_file != nullptr;
-        {
-          return false;
-        }
-        return true;
       }
 
       void Close()

src/core/qgsproject.cpp

@@ -2262,7 +2262,7 @@ QList<QgsMapLayer *> QgsProject::addMapLayers(
       QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( mlayer );
       if ( vl )
       {
-        vl->loadAuxiliaryLayer( *mAuxiliaryStorage.get() );
+        vl->loadAuxiliaryLayer( *mAuxiliaryStorage );
       }
     }
   }

src/core/qgsvectorlayerjoinbuffer.cpp

@@ -667,8 +667,5 @@ bool QgsVectorLayerJoinBuffer::isAuxiliaryJoin( const QgsVectorLayerJoinInfo &in
 {
   const QgsAuxiliaryLayer *al = mLayer->auxiliaryLayer();
 
-  if ( al && al->id() == info.joinLayerId() )
+  return al && al->id() == info.joinLayerId();
-    return true;
-  else
-    return false;
 }

src/gui/qgsmetadatawidget.cpp

@@ -508,7 +508,7 @@ bool QgsMetadataWidget::checkMetadata() const
   bool results = validator.validate( metadata, validationResults );
 
   QString errors;
-  if ( results == false )
+  if ( !results )
   {
     for ( const QgsMetadataValidator::ValidationResult &result : qgis::as_const( validationResults ) )
     {

src/plugins/topology/topolTest.cpp

@@ -1732,14 +1732,7 @@ ErrorList topolTest::runTest( const QString &testName, QgsVectorLayer *layer1, Q
 
   //call test routine
   bool isValidatingExtent;
-  if ( type == ValidateExtent )
+  isValidatingExtent = type == ValidateExtent;
-  {
-    isValidatingExtent = true;
-  }
-  else
-  {
-    isValidatingExtent = false;
-  }
 
   return ( this->*( mTopologyRuleMap[testName].f ) )( tolerance, layer1, layer2, isValidatingExtent );
 }

src/providers/arcgisrest/qgsamsprovider.cpp

@@ -347,7 +347,6 @@ void QgsAmsProvider::draw( const QgsRectangle &viewExtent, int pixelWidth, int p
       mCachedImage = mCachedImage.convertToFormat( QImage::Format_ARGB32 );
     }
   }
-  return;
 }
 
 QImage QgsAmsProvider::getLegendGraphic( double /*scale*/, bool forceRefresh, const QgsRectangle * /*visibleExtent*/ )

src/providers/grass/qgsgrassvectormap.cpp

@@ -103,7 +103,6 @@ void QgsGrassVectorMap::close()
   closeMap();
   mOpen = false;
   unlockOpenClose();
-  return;
 }
 
 bool QgsGrassVectorMap::openMap()

src/providers/grass/qgsgrassvectormaplayer.cpp

@@ -548,8 +548,7 @@ void QgsGrassVectorMapLayer::executeSql( const QString &sql, QString &error )
     QgsDebugMsg( error );
   }
 
-  db_free_string( &dbstr );  //if ( index < 0 || index > )
+  db_free_string( &dbstr );
-  return;
 }
 
 void QgsGrassVectorMapLayer::createTable( const QgsFields &fields, QString &error )

src/providers/wfs/qgswfsprovider.cpp

@@ -1484,14 +1484,7 @@ bool QgsWFSProvider::transactionSuccess( const QDomDocument &serverResponse ) co
     return false;
   }
 
-  if ( statusList.at( 0 ).firstChildElement().localName() == QLatin1String( "SUCCESS" ) )
+  return statusList.at( 0 ).firstChildElement().localName() == QLatin1String( "SUCCESS" );
-  {
-    return true;
-  }
-  else
-  {
-    return false;
-  }
 }
 
 QStringList QgsWFSProvider::insertedFeatureIds( const QDomDocument &serverResponse ) const

src/server/qgsserverprojectutils.cpp

@@ -114,36 +114,24 @@ bool QgsServerProjectUtils::wmsInfoFormatSia2045( const QgsProject &project )
 {
   QString sia2045 = project.readEntry( QStringLiteral( "WMSInfoFormatSIA2045" ), QStringLiteral( "/" ), "" );
 
-  if ( sia2045.compare( QLatin1String( "enabled" ), Qt::CaseInsensitive ) == 0
+  return sia2045.compare( QLatin1String( "enabled" ), Qt::CaseInsensitive ) == 0
-       || sia2045.compare( QLatin1String( "true" ), Qt::CaseInsensitive ) == 0 )
+         || sia2045.compare( QLatin1String( "true" ), Qt::CaseInsensitive ) == 0;
-  {
-    return true;
-  }
-  return false;
 }
 
 bool QgsServerProjectUtils::wmsFeatureInfoAddWktGeometry( const QgsProject &project )
 {
   QString wktGeom = project.readEntry( QStringLiteral( "WMSAddWktGeometry" ), QStringLiteral( "/" ), "" );
 
-  if ( wktGeom.compare( QLatin1String( "enabled" ), Qt::CaseInsensitive ) == 0
+  return wktGeom.compare( QLatin1String( "enabled" ), Qt::CaseInsensitive ) == 0
-       || wktGeom.compare( QLatin1String( "true" ), Qt::CaseInsensitive ) == 0 )
+         || wktGeom.compare( QLatin1String( "true" ), Qt::CaseInsensitive ) == 0;
-  {
-    return true;
-  }
-  return false;
 }
 
 bool QgsServerProjectUtils::wmsFeatureInfoSegmentizeWktGeometry( const QgsProject &project )
 {
   QString segmGeom = project.readEntry( QStringLiteral( "WMSSegmentizeFeatureInfoGeometry" ), QStringLiteral( "/" ), "" );
 
-  if ( segmGeom.compare( QLatin1String( "enabled" ), Qt::CaseInsensitive ) == 0
+  return segmGeom.compare( QLatin1String( "enabled" ), Qt::CaseInsensitive ) == 0
-       || segmGeom.compare( QLatin1String( "true" ), Qt::CaseInsensitive ) == 0 )
+         || segmGeom.compare( QLatin1String( "true" ), Qt::CaseInsensitive ) == 0;
-  {
-    return true;
-  }
-  return false;
 }
 
 int QgsServerProjectUtils::wmsFeatureInfoPrecision( const QgsProject &project )

src/server/services/wms/qgswmsrenderer.cpp

@@ -317,7 +317,7 @@ namespace QgsWms
     removeUnwantedLayers( layers );
 
     // configure each layer with opacity, selection filter, ...
-    bool updateMapExtent = mWmsParameters.bbox().isEmpty() ? true : false;
+    bool updateMapExtent = mWmsParameters.bbox().isEmpty();
     Q_FOREACH ( QgsMapLayer *layer, layers )
     {
       Q_FOREACH ( QgsWmsParametersLayer param, params )
@@ -720,7 +720,7 @@ namespace QgsWms
     removeUnwantedLayers( layers );
 
     // configure each layer with opacity, selection filter, ...
-    bool updateMapExtent = mWmsParameters.bbox().isEmpty() ? true : false;
+    bool updateMapExtent = mWmsParameters.bbox().isEmpty();
     Q_FOREACH ( QgsMapLayer *layer, layers )
     {
       Q_FOREACH ( QgsWmsParametersLayer param, params )
@@ -760,7 +760,7 @@ namespace QgsWms
     mapSettings.setLayers( layers );
 
     // rendering step for layers
-    painter.reset( layersRendering( mapSettings, *image.get(), hitTest ) );
+    painter.reset( layersRendering( mapSettings, *image, hitTest ) );
 
     // rendering step for annotations
     annotationsRendering( painter.get() );

tests/src/analysis/testqgsprocessing.cpp

@@ -1173,7 +1173,7 @@ void TestQgsProcessing::createIndex()
   // disable selected features check
   std::unique_ptr< QgsFeatureSource > source( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
   QVERIFY( source.get() );
-  QgsSpatialIndex index( *source.get() );
+  QgsSpatialIndex index( *source );
   QList<QgsFeatureId> ids = index.nearestNeighbor( QgsPointXY( 2.1, 2 ), 1 );
   QCOMPARE( ids, QList<QgsFeatureId>() << 2 );
 
@@ -1183,7 +1183,7 @@ void TestQgsProcessing::createIndex()
   bool caught = false;
   try
   {
-    index = QgsSpatialIndex( *source.get() );
+    index = QgsSpatialIndex( *source );
     ids = index.nearestNeighbor( QgsPointXY( 2.1, 2 ), 1 );
   }
   catch ( ... )
@@ -1195,14 +1195,14 @@ void TestQgsProcessing::createIndex()
   // create selection
   layer->selectByIds( QgsFeatureIds() << 4 << 5 );
   source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
-  index = QgsSpatialIndex( *source.get() );
+  index = QgsSpatialIndex( *source );
   ids = index.nearestNeighbor( QgsPointXY( 2.1, 2 ), 1 );
   QCOMPARE( ids, QList<QgsFeatureId>() << 4 );
 
   // selection but not using selection mode
   params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), false ) ) );
   source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
-  index = QgsSpatialIndex( *source.get() );
+  index = QgsSpatialIndex( *source );
   ids = index.nearestNeighbor( QgsPointXY( 2.1, 2 ), 1 );
   QCOMPARE( ids, QList<QgsFeatureId>() << 2 );
 }

tests/src/core/testqgsauthmanager.cpp

@@ -209,7 +209,7 @@ void TestQgsAuthManager::testMasterPassword()
   QCOMPARE( spy.count(), 1 );
   spyargs = spy.takeFirst();
   QVERIFY( spyargs.at( 0 ).type() == QVariant::Bool );
-  QVERIFY( spyargs.at( 0 ).toBool() == true );
+  QVERIFY( spyargs.at( 0 ).toBool() );
 
   authm->clearMasterPassword();
   QVERIFY( !authm->masterPasswordIsSet() );
@@ -218,7 +218,7 @@ void TestQgsAuthManager::testMasterPassword()
   QCOMPARE( spy.count(), 1 );
   spyargs = spy.takeFirst();
   QVERIFY( spyargs.at( 0 ).type() == QVariant::Bool );
-  QVERIFY( spyargs.at( 0 ).toBool() == false );
+  QVERIFY( !spyargs.at( 0 ).toBool() );
 
   authm->clearMasterPassword();
   QVERIFY( !authm->masterPasswordIsSet() );
@@ -227,7 +227,7 @@ void TestQgsAuthManager::testMasterPassword()
   QCOMPARE( spy.count(), 1 );
   spyargs = spy.takeFirst();
   QVERIFY( spyargs.at( 0 ).type() == QVariant::Bool );
-  QVERIFY( spyargs.at( 0 ).toBool() == true );
+  QVERIFY( spyargs.at( 0 ).toBool() );
 }
 
 void TestQgsAuthManager::testAuthConfigs()

tests/src/gui/testqgsrelationreferencewidget.cpp

@@ -79,7 +79,7 @@ void TestQgsRelationReferenceWidget::init()
   mRelation->setReferencedLayer( mLayer2->id() );
   mRelation->addFieldPair( QStringLiteral( "fk" ), QStringLiteral( "pk" ) );
   QVERIFY( mRelation->isValid() );
-  QgsProject::instance()->relationManager()->addRelation( *mRelation.get() );
+  QgsProject::instance()->relationManager()->addRelation( *mRelation );
 
   // add features
   QgsFeature ft0( mLayer1->fields() );