Remove Q_FOREACH in favor of range-based for loops in the gui library

src/gui/CMakeLists.txt

@@ -1064,6 +1064,8 @@ IF(ENABLE_MODELTEST)
   TARGET_LINK_LIBRARIES(qgis_gui ${Qt5Test_LIBRARIES})
 ENDIF(ENABLE_MODELTEST)
 
+TARGET_COMPILE_DEFINITIONS(qgis_gui PRIVATE "-DQT_NO_FOREACH")
+
 IF(WIN32)
   ADD_DEFINITIONS(-DQWT_DLL)
   ADD_DEFINITIONS(-DQSCINTILLA_DLL)

src/gui/attributetable/qgsattributetablefiltermodel.cpp

@@ -141,7 +141,8 @@ void QgsAttributeTableFilterModel::setAttributeTableConfig( const QgsAttributeTa
   }
 
   QVector<int> newColumnMapping;
-  Q_FOREACH ( const QgsAttributeTableConfig::ColumnConfig &columnConfig, mConfig.columns() )
+  const auto constColumns = mConfig.columns();
+  for ( const QgsAttributeTableConfig::ColumnConfig &columnConfig : constColumns )
   {
     // Hidden? Forget about this column
     if ( columnConfig.hidden )
@@ -504,7 +505,8 @@ QModelIndex QgsAttributeTableFilterModel::fidToIndex( QgsFeatureId fid )
 QModelIndexList QgsAttributeTableFilterModel::fidToIndexList( QgsFeatureId fid )
 {
   QModelIndexList indexes;
-  Q_FOREACH ( const QModelIndex &idx, masterModel()->idToIndexList( fid ) )
+  const auto constIdToIndexList = masterModel()->idToIndexList( fid );
+  for ( const QModelIndex &idx : constIdToIndexList )
   {
     indexes.append( mapFromMaster( idx ) );
   }

src/gui/attributetable/qgsattributetablemodel.cpp

@@ -105,7 +105,8 @@ void QgsAttributeTableModel::featuresDeleted( const QgsFeatureIds &fids )
 {
   QList<int> rows;
 
-  Q_FOREACH ( QgsFeatureId fid, fids )
+  const auto constFids = fids;
+  for ( QgsFeatureId fid : constFids )
   {
     QgsDebugMsgLevel( QStringLiteral( "(%2) fid: %1, size: %3" ).arg( fid ).arg( mFeatureRequest.filterType() ).arg( mIdRowMap.size() ), 4 );
 
@@ -122,7 +123,8 @@ void QgsAttributeTableModel::featuresDeleted( const QgsFeatureIds &fids )
   int removedRows = 0;
   bool reset = false;
 
-  Q_FOREACH ( int row, rows )
+  const auto constRows = rows;
+  for ( int row : constRows )
   {
 #if 0
     qDebug() << "Row: " << row << ", begin " << beginRow << ", last " << lastRow << ", current " << currentRowCount << ", removed " << removedRows;

src/gui/attributetable/qgsattributetableview.cpp

@@ -89,7 +89,8 @@ bool QgsAttributeTableView::eventFilter( QObject *object, QEvent *event )
 void QgsAttributeTableView::setAttributeTableConfig( const QgsAttributeTableConfig &config )
 {
   int i = 0;
-  Q_FOREACH ( const QgsAttributeTableConfig::ColumnConfig &columnConfig, config.columns() )
+  const auto constColumns = config.columns();
+  for ( const QgsAttributeTableConfig::ColumnConfig &columnConfig : constColumns )
   {
     if ( columnConfig.hidden )
       continue;
@@ -201,7 +202,8 @@ QWidget *QgsAttributeTableView::createActionWidget( QgsFeatureId fid )
 
   // first add user created layer actions
   QList<QgsAction> actions = mFilterModel->layer()->actions()->actions( QStringLiteral( "Feature" ) );
-  Q_FOREACH ( const QgsAction &action, actions )
+  const auto constActions = actions;
+  for ( const QgsAction &action : constActions )
   {
     if ( !mFilterModel->layer()->isEditable() && action.isEnabledOnlyWhenEditable() )
       continue;
@@ -219,10 +221,9 @@ QWidget *QgsAttributeTableView::createActionWidget( QgsFeatureId fid )
       defaultAction = act;
   }
 
+  const auto mapLayerActions {QgsGui::mapLayerActionRegistry()->mapLayerActions( mFilterModel->layer(), QgsMapLayerAction::SingleFeature ) };
   // next add any registered actions for this layer
-  Q_FOREACH ( QgsMapLayerAction *mapLayerAction,
-              QgsGui::mapLayerActionRegistry()->mapLayerActions( mFilterModel->layer(),
-                  QgsMapLayerAction::SingleFeature ) )
+  for ( QgsMapLayerAction *mapLayerAction : mapLayerActions )
   {
     QAction *action = new QAction( mapLayerAction->icon(), mapLayerAction->text(), container );
     action->setData( "map_layer_action" );
@@ -240,7 +241,8 @@ QWidget *QgsAttributeTableView::createActionWidget( QgsFeatureId fid )
   if ( !defaultAction && !actionList.isEmpty() )
     defaultAction = actionList.at( 0 );
 
-  Q_FOREACH ( QAction *act, actionList )
+  const auto constActionList = actionList;
+  for ( QAction *act : constActionList )
   {
     if ( attributeTableConfig.actionWidgetStyle() == QgsAttributeTableConfig::DropDown )
     {
@@ -325,7 +327,8 @@ void QgsAttributeTableView::keyPressEvent( QKeyEvent *event )
 
 void QgsAttributeTableView::repaintRequested( const QModelIndexList &indexes )
 {
-  Q_FOREACH ( const QModelIndex &index, indexes )
+  const auto constIndexes = indexes;
+  for ( const QModelIndex &index : constIndexes )
   {
     update( index );
   }

src/gui/attributetable/qgsdualview.cpp

@@ -131,7 +131,8 @@ void QgsDualView::columnBoxInit()
   mFeatureListPreviewButton->addAction( mActionExpressionPreview );
   mFeatureListPreviewButton->addAction( mActionPreviewColumnsMenu );
 
-  Q_FOREACH ( const QgsField &field, fields )
+  const auto constFields = fields;
+  for ( const QgsField &field : constFields )
   {
     int fieldIndex = mLayer->fields().lookupField( field.name() );
     if ( fieldIndex == -1 )
@@ -564,7 +565,8 @@ void QgsDualView::viewWillShowContextMenu( QMenu *menu, const QModelIndex &atInd
     QAction *a = menu->addAction( tr( "Run Layer Action" ) );
     a->setEnabled( false );
 
-    Q_FOREACH ( const QgsAction &action, actions )
+    const auto constActions = actions;
+    for ( const QgsAction &action : constActions )
     {
       if ( !action.runable() )
         continue;
@@ -584,7 +586,8 @@ void QgsDualView::viewWillShowContextMenu( QMenu *menu, const QModelIndex &atInd
     //add a separator between user defined and standard actions
     menu->addSeparator();
 
-    Q_FOREACH ( QgsMapLayerAction *action, registeredActions )
+    const auto constRegisteredActions = registeredActions;
+    for ( QgsMapLayerAction *action : constRegisteredActions )
     {
       QgsAttributeTableMapLayerAction *a = new QgsAttributeTableMapLayerAction( action->text(), this, action, sourceIndex );
       menu->addAction( action->text(), a, &QgsAttributeTableMapLayerAction::execute );

src/gui/attributetable/qgsfeaturelistview.cpp

@@ -185,7 +185,8 @@ void QgsFeatureListView::setEditSelection( const QgsFeatureIds &fids )
 {
   QItemSelection selection;
 
-  Q_FOREACH ( QgsFeatureId fid, fids )
+  const auto constFids = fids;
+  for ( QgsFeatureId fid : constFids )
   {
     selection.append( QItemSelectionRange( mModel->mapToMaster( mModel->fidToIdx( fid ) ) ) );
   }
@@ -213,7 +214,8 @@ void QgsFeatureListView::setEditSelection( const QModelIndex &index, QItemSelect
 
 void QgsFeatureListView::repaintRequested( const QModelIndexList &indexes )
 {
-  Q_FOREACH ( const QModelIndex &index, indexes )
+  const auto constIndexes = indexes;
+  for ( const QModelIndex &index : constIndexes )
   {
     update( index );
   }

src/gui/attributetable/qgsfeatureselectionmodel.cpp

@@ -75,7 +75,8 @@ void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection,
 
   QgsDebugMsg( QStringLiteral( "Index count: %1" ).arg( selection.indexes().size() ) );
 
-  Q_FOREACH ( const QModelIndex &index, selection.indexes() )
+  const auto constIndexes = selection.indexes();
+  for ( const QModelIndex &index : constIndexes )
   {
     QgsFeatureId id = index.model()->data( index, QgsAttributeTableModel::FeatureIdRole ).toLongLong();
 
@@ -89,7 +90,8 @@ void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection,
     if ( !mSyncEnabled )
     {
       mClearAndSelectBuffer = true;
-      Q_FOREACH ( QgsFeatureId id, ids )
+      const auto constIds = ids;
+      for ( QgsFeatureId id : constIds )
       {
         if ( !mDeselectedBuffer.remove( id ) )
         {
@@ -106,7 +108,8 @@ void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection,
   {
     if ( !mSyncEnabled )
     {
-      Q_FOREACH ( QgsFeatureId id, ids )
+      const auto constIds = ids;
+      for ( QgsFeatureId id : constIds )
       {
         if ( !mDeselectedBuffer.remove( id ) )
         {
@@ -123,7 +126,8 @@ void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection,
   {
     if ( !mSyncEnabled )
     {
-      Q_FOREACH ( QgsFeatureId id, ids )
+      const auto constIds = ids;
+      for ( QgsFeatureId id : constIds )
       {
         if ( !mSelectedBuffer.remove( id ) )
         {
@@ -140,7 +144,8 @@ void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection,
   connect( mFeatureSelectionManager, &QgsIFeatureSelectionManager::selectionChanged, this, &QgsFeatureSelectionModel::layerSelectionChanged );
 
   QModelIndexList updatedIndexes;
-  Q_FOREACH ( const QModelIndex &idx, selection.indexes() )
+  const auto indexes = selection.indexes();
+  for ( const QModelIndex &idx : indexes )
   {
     updatedIndexes.append( expandIndexToRow( idx ) );
   }
@@ -164,12 +169,14 @@ void QgsFeatureSelectionModel::layerSelectionChanged( const QgsFeatureIds &selec
   else
   {
     QModelIndexList updatedIndexes;
-    Q_FOREACH ( QgsFeatureId fid, selected )
+    const auto constSelected = selected;
+    for ( QgsFeatureId fid : constSelected )
     {
       updatedIndexes.append( expandIndexToRow( mFeatureModel->fidToIndex( fid ) ) );
     }
 
-    Q_FOREACH ( QgsFeatureId fid, deselected )
+    const auto constDeselected = deselected;
+    for ( QgsFeatureId fid : constDeselected )
     {
       updatedIndexes.append( expandIndexToRow( mFeatureModel->fidToIndex( fid ) ) );
     }

src/gui/attributetable/qgsfieldconditionalformatwidget.cpp

@@ -202,7 +202,8 @@ void QgsFieldConditionalFormatWidget::setPresets( const QList<QgsConditionalStyl
 {
   mPresets.clear();
   mPresetsModel->clear();
-  Q_FOREACH ( const QgsConditionalStyle &style, styles )
+  const auto constStyles = styles;
+  for ( const QgsConditionalStyle &style : constStyles )
   {
     if ( style.isValid() )
     {
@@ -302,7 +303,8 @@ void QgsFieldConditionalFormatWidget::reloadStyles()
 {
   mModel->clear();
 
-  Q_FOREACH ( const QgsConditionalStyle &style, getStyles() )
+  const auto constGetStyles = getStyles();
+  for ( const QgsConditionalStyle &style : constGetStyles )
   {
     QStandardItem *item = new QStandardItem( style.displayText() );
     item->setIcon( QIcon( style.renderPreview() ) );

src/gui/attributetable/qgsorganizetablecolumnsdialog.cpp

@@ -58,7 +58,8 @@ QgsOrganizeTableColumnsDialog::QgsOrganizeTableColumnsDialog( const QgsVectorLay
 
     mFieldsList->clear();
 
-    Q_FOREACH ( const QgsAttributeTableConfig::ColumnConfig &columnConfig, mConfig.columns() )
+    const auto constColumns = mConfig.columns();
+    for ( const QgsAttributeTableConfig::ColumnConfig &columnConfig : constColumns )
     {
       QListWidgetItem *item = nullptr;
       if ( columnConfig.type == QgsAttributeTableConfig::Action )

src/gui/auth/qgsauthauthoritieseditor.cpp

@@ -160,7 +160,8 @@ void QgsAuthAuthoritiesEditor::refreshCaCertsView()
 
 static void removeChildren_( QTreeWidgetItem *item )
 {
-  Q_FOREACH ( QTreeWidgetItem *child, item->takeChildren() )
+  const auto constTakeChildren = item->takeChildren();
+  for ( QTreeWidgetItem *child : constTakeChildren )
   {
     delete child;
   }
@@ -270,7 +271,8 @@ void QgsAuthAuthoritiesEditor::appendCertsToItem( const QList<QSslCertificate> &
   QStringList untrustedids = mCertTrustCache.value( QgsAuthCertUtils::Untrusted );
 
   // Columns: Common Name, Serial #, Expiry Date
-  Q_FOREACH ( const QSslCertificate &cert, certs )
+  const auto constCerts = certs;
+  for ( const QSslCertificate &cert : constCerts )
   {
     QString id( QgsAuthCertUtils::shaHexForCert( cert ) );
 
@@ -452,7 +454,8 @@ void QgsAuthAuthoritiesEditor::btnAddCa_clicked()
 
     if ( dlg->certTrustPolicy() != QgsAuthCertUtils::DefaultTrust )
     {
-      Q_FOREACH ( const QSslCertificate &cert, certs )
+      const auto constCerts = certs;
+      for ( const QSslCertificate &cert : constCerts )
       {
         if ( !QgsApplication::authManager()->storeCertTrustPolicy( cert, dlg->certTrustPolicy() ) )
         {
@@ -688,7 +691,8 @@ void QgsAuthAuthoritiesEditor::btnCaFile_clicked()
     if ( dlg->certTrustPolicy() != QgsAuthCertUtils::DefaultTrust )
     {
       QList<QSslCertificate> certs( QgsApplication::authManager()->extraFileCAs() );
-      Q_FOREACH ( const QSslCertificate &cert, certs )
+      const auto constCerts = certs;
+      for ( const QSslCertificate &cert : constCerts )
       {
         if ( !QgsApplication::authManager()->storeCertTrustPolicy( cert, dlg->certTrustPolicy() ) )
         {

src/gui/auth/qgsauthcertificateinfo.cpp

@@ -42,7 +42,8 @@ static void setItemBold_( QTreeWidgetItem *item )
 
 static void removeChildren_( QTreeWidgetItem *item )
 {
-  Q_FOREACH ( QTreeWidgetItem *child, item->takeChildren() )
+  const auto constTakeChildren = item->takeChildren();
+  for ( QTreeWidgetItem *child : constTakeChildren )
   {
     delete child;
   }
@@ -144,7 +145,8 @@ bool QgsAuthCertInfo::populateQcaCertCollection()
   }
   if ( !mConnectionCAs.isEmpty() )
   {
-    Q_FOREACH ( const QSslCertificate &cert, mConnectionCAs )
+    const auto constMConnectionCAs = mConnectionCAs;
+    for ( const QSslCertificate &cert : constMConnectionCAs )
     {
       QCA::ConvertResult res;
       QCA::Certificate acert = QCA::Certificate::fromPEM( cert.toPem(), &res, QStringLiteral( "qca-ossl" ) );
@@ -201,7 +203,8 @@ bool QgsAuthCertInfo::populateCertChain()
   }
 
   // mirror chain to QSslCertificate
-  Q_FOREACH ( QCA::Certificate cert, mACertChain )
+  const auto constMACertChain = mACertChain;
+  for ( QCA::Certificate cert : constMACertChain )
   {
     QSslCertificate qcert;
     if ( !cert.isNull() )
@@ -777,7 +780,8 @@ void QgsAuthCertInfo::populateInfoDetailsSection()
   QStringList keyusage;
   QStringList extkeyusage;
   QList<QCA::ConstraintType> certconsts = mCurrentACert.constraints();
-  Q_FOREACH ( const QCA::ConstraintType &certconst, certconsts )
+  const auto constCertconsts = certconsts;
+  for ( const QCA::ConstraintType &certconst : constCertconsts )
   {
     if ( certconst.section() == QCA::ConstraintType::KeyUsage )
     {

src/gui/auth/qgsauthconfigedit.cpp

@@ -102,7 +102,8 @@ void QgsAuthConfigEdit::populateAuthMethods()
 
   // sort by auth method description attribute, then populate
   QMap<QString, QgsAuthMethod *> descmap;
-  Q_FOREACH ( const QString &authMethodKey, authMethodKeys )
+  const auto constAuthMethodKeys = authMethodKeys;
+  for ( const QString &authMethodKey : constAuthMethodKeys )
   {
     QgsAuthMethod *authmethod = QgsApplication::authManager()->authMethod( authMethodKey );
     if ( !authmethod )

src/gui/auth/qgsauthidentitieseditor.cpp

@@ -106,7 +106,8 @@ void QgsAuthIdentitiesEditor::setupIdentitiesTree()
 
 static void removeChildren_( QTreeWidgetItem *item )
 {
-  Q_FOREACH ( QTreeWidgetItem *child, item->takeChildren() )
+  const auto constTakeChildren = item->takeChildren();
+  for ( QTreeWidgetItem *child : constTakeChildren )
   {
     delete child;
   }
@@ -193,7 +194,8 @@ void QgsAuthIdentitiesEditor::appendIdentitiesToItem( const QList<QSslCertificat
   QBrush redb( QgsAuthGuiUtils::redColor() );
 
   // Columns: Common Name, Serial #, Expiry Date
-  Q_FOREACH ( const QSslCertificate &cert, certs )
+  const auto constCerts = certs;
+  for ( const QSslCertificate &cert : constCerts )
   {
     QString id( QgsAuthCertUtils::shaHexForCert( cert ) );
 

src/gui/auth/qgsauthimportcertdialog.cpp

@@ -168,7 +168,8 @@ void QgsAuthImportCertDialog::validateCertificates()
 
   int certssize = certs.size();
 
-  Q_FOREACH ( const QSslCertificate &cert, certs )
+  const auto constCerts = certs;
+  for ( const QSslCertificate &cert : constCerts )
   {
     if ( QgsAuthCertUtils::certIsViable( cert ) )
       ++validcerts;
@@ -192,7 +193,8 @@ void QgsAuthImportCertDialog::validateCertificates()
 
   if ( !nixcerts.isEmpty() )
   {
-    Q_FOREACH ( const QSslCertificate &nixcert, nixcerts )
+    const auto constNixcerts = nixcerts;
+    for ( const QSslCertificate &nixcert : constNixcerts )
     {
       certs.removeOne( nixcert );
     }

src/gui/auth/qgsauthimportidentitydialog.cpp

@@ -406,7 +406,8 @@ bool QgsAuthImportIdentityDialog::validatePkiPkcs12()
     QList<QSslCertificate> ca_certs;
     if ( cert_chain.size() > 1 )
     {
-      Q_FOREACH ( const QCA::Certificate &ca_cert, cert_chain )
+      const auto constCert_chain = cert_chain;
+      for ( const QCA::Certificate &ca_cert : constCert_chain )
       {
         if ( ca_cert != cert_chain.primary() )
         {