qgsadvanceddigitizingdockwidget.cpp

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/***************************************************************************
    qgsadvanceddigitizingdockwidget.cpp  -  dock for CAD tools
    ----------------------
    begin                : October 2014
    copyright            : (C) Denis Rouzaud
    email                : [email protected]
 ***************************************************************************
 *                                                                         *
 *   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 <QMenu>
#include <QEvent>
#include <QCoreApplication>
 
#include <cmath>
 
#include "qgsadvanceddigitizingdockwidget.h"
#include "moc_qgsadvanceddigitizingdockwidget.cpp"
#include "qgsadvanceddigitizingfloater.h"
#include "qgsadvanceddigitizingcanvasitem.h"
#include "qgsadvanceddigitizingtoolsregistry.h"
#include "qgsbearingnumericformat.h"
#include "qgscadutils.h"
#include "qgsexpression.h"
#include "qgsgui.h"
#include "qgsmapcanvas.h"
#include "qgsmaptooledit.h"
#include "qgsmaptooladvanceddigitizing.h"
#include "qgsmessagebaritem.h"
#include "qgsfocuswatcher.h"
#include "qgssettings.h"
#include "qgssnappingutils.h"
#include "qgsproject.h"
#include "qgsmapmouseevent.h"
#include "qgsmeshlayer.h"
#include "qgsunittypes.h"
#include "qgssettingsentryimpl.h"
#include "qgssettingstree.h"
#include "qgsuserinputwidget.h"
 
#include <QActionGroup>
 
 
const QgsSettingsEntryBool *QgsAdvancedDigitizingDockWidget::settingsCadSnappingPriorityPrioritizeFeature = new QgsSettingsEntryBool( QStringLiteral( "cad-snapping-prioritize-feature" ), QgsSettingsTree::sTreeDigitizing, false, tr( "Determines if snapping to features has priority over snapping to common angles." ) ) ;
const QgsSettingsEntryBool *QgsAdvancedDigitizingDockWidget::settingsCadRecordConstructionGuides = new QgsSettingsEntryBool( QStringLiteral( "cad-record-construction-guides" ), QgsSettingsTree::sTreeDigitizing, false, tr( "Determines if construction guides are being recorded." ) ) ;
const QgsSettingsEntryBool *QgsAdvancedDigitizingDockWidget::settingsCadShowConstructionGuides = new QgsSettingsEntryBool( QStringLiteral( "cad-show-construction-guides" ), QgsSettingsTree::sTreeDigitizing, true, tr( "Determines whether construction guides are shown." ) ) ;
const QgsSettingsEntryBool *QgsAdvancedDigitizingDockWidget::settingsCadSnapToConstructionGuides = new QgsSettingsEntryBool( QStringLiteral( "cad-snap-to-construction-guides" ), QgsSettingsTree::sTreeDigitizing, false, tr( "Determines if points will snap to construction guides." ) ) ;
 
 
QgsAdvancedDigitizingDockWidget::QgsAdvancedDigitizingDockWidget( QgsMapCanvas *canvas, QWidget *parent, QgsUserInputWidget *userInputWidget )
  : QgsDockWidget( parent )
  , mMapCanvas( canvas )
  , mUserInputWidget( userInputWidget )
  , mSnapIndicator( std::make_unique< QgsSnapIndicator>( canvas ) )
  , mCommonAngleConstraint( QgsSettings().value( QStringLiteral( "/Cad/CommonAngle" ), 0.0 ).toDouble() )
{
  setupUi( this );
 
  mCadPaintItem = new QgsAdvancedDigitizingCanvasItem( canvas, this );
 
  mAngleConstraint.reset( new CadConstraint( mAngleLineEdit, mLockAngleButton, mRelativeAngleButton, mRepeatingLockAngleButton ) );
  mAngleConstraint->setCadConstraintType( Qgis::CadConstraintType::Angle );
  mAngleConstraint->setMapCanvas( mMapCanvas );
  mDistanceConstraint.reset( new CadConstraint( mDistanceLineEdit, mLockDistanceButton, nullptr, mRepeatingLockDistanceButton ) );
  mDistanceConstraint->setCadConstraintType( Qgis::CadConstraintType::Distance );
  mDistanceConstraint->setMapCanvas( mMapCanvas );
  mXConstraint.reset( new CadConstraint( mXLineEdit, mLockXButton, mRelativeXButton, mRepeatingLockXButton ) );
  mXConstraint->setCadConstraintType( Qgis::CadConstraintType::XCoordinate );
  mXConstraint->setMapCanvas( mMapCanvas );
  mYConstraint.reset( new CadConstraint( mYLineEdit, mLockYButton, mRelativeYButton, mRepeatingLockYButton ) );
  mYConstraint->setCadConstraintType( Qgis::CadConstraintType::YCoordinate );
  mYConstraint->setMapCanvas( mMapCanvas );
  mZConstraint.reset( new CadConstraint( mZLineEdit, mLockZButton, mRelativeZButton, mRepeatingLockZButton ) );
  mZConstraint->setCadConstraintType( Qgis::CadConstraintType::ZValue );
  mZConstraint->setMapCanvas( mMapCanvas );
  mMConstraint.reset( new CadConstraint( mMLineEdit, mLockMButton, mRelativeMButton, mRepeatingLockMButton ) );
  mMConstraint->setCadConstraintType( Qgis::CadConstraintType::MValue );
  mMConstraint->setMapCanvas( mMapCanvas );
 
  mLineExtensionConstraint.reset( new CadConstraint( new QLineEdit(), new QToolButton() ) );
  mXyVertexConstraint.reset( new CadConstraint( new QLineEdit(), new QToolButton() ) );
  mXyVertexConstraint->setMapCanvas( mMapCanvas );
 
  mBetweenLineConstraint = Qgis::BetweenLineConstraint::NoConstraint;
 
  mMapCanvas->installEventFilter( this );
  mAngleLineEdit->installEventFilter( this );
  mDistanceLineEdit->installEventFilter( this );
  mXLineEdit->installEventFilter( this );
  mYLineEdit->installEventFilter( this );
  mZLineEdit->installEventFilter( this );
  mMLineEdit->installEventFilter( this );
 
  // Connect the UI to the event filter to update constraints
  connect( mEnableAction, &QAction::triggered, this, &QgsAdvancedDigitizingDockWidget::activateCad );
  connect( mConstructionModeAction, &QAction::triggered, this, &QgsAdvancedDigitizingDockWidget::setConstructionMode );
  connect( mParallelAction, &QAction::triggered, this, &QgsAdvancedDigitizingDockWidget::betweenLineConstraintClicked );
  connect( mPerpendicularAction, &QAction::triggered, this, &QgsAdvancedDigitizingDockWidget::betweenLineConstraintClicked );
  connect( mLockAngleButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::lockConstraint );
  connect( mLockDistanceButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::lockConstraint );
  connect( mLockXButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::lockConstraint );
  connect( mLockYButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::lockConstraint );
  connect( mLockZButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::lockConstraint );
  connect( mLockMButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::lockConstraint );
  connect( mRelativeAngleButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRelative );
  connect( mRelativeXButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRelative );
  connect( mRelativeYButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRelative );
  connect( mRelativeZButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRelative );
  connect( mRelativeMButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRelative );
  connect( mRepeatingLockDistanceButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock );
  connect( mRepeatingLockAngleButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock );
  connect( mRepeatingLockXButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock );
  connect( mRepeatingLockYButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock );
  connect( mRepeatingLockZButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock );
  connect( mRepeatingLockMButton, &QAbstractButton::clicked, this, &QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock );
  connect( mAngleLineEdit, &QLineEdit::returnPressed, this, [ = ]() { lockConstraint(); } );
  connect( mDistanceLineEdit, &QLineEdit::returnPressed, this, [ = ]() { lockConstraint(); } );
  connect( mXLineEdit, &QLineEdit::returnPressed, this, [ = ]() { lockConstraint(); } );
  connect( mYLineEdit, &QLineEdit::returnPressed, this, [ = ]() { lockConstraint(); } );
  connect( mZLineEdit, &QLineEdit::returnPressed, this, [ = ]() { lockConstraint(); } );
  connect( mMLineEdit, &QLineEdit::returnPressed, this, [ = ]() { lockConstraint(); } );
  connect( mAngleLineEdit, &QLineEdit::textEdited, this, &QgsAdvancedDigitizingDockWidget::constraintTextEdited );
  connect( mDistanceLineEdit, &QLineEdit::textEdited, this, &QgsAdvancedDigitizingDockWidget::constraintTextEdited );
  connect( mXLineEdit, &QLineEdit::textEdited, this, &QgsAdvancedDigitizingDockWidget::constraintTextEdited );
  connect( mYLineEdit, &QLineEdit::textEdited, this, &QgsAdvancedDigitizingDockWidget::constraintTextEdited );
  connect( mZLineEdit, &QLineEdit::textEdited, this, &QgsAdvancedDigitizingDockWidget::constraintTextEdited );
  connect( mMLineEdit, &QLineEdit::textEdited, this, &QgsAdvancedDigitizingDockWidget::constraintTextEdited );
  //also watch for focus out events on these widgets
  QgsFocusWatcher *angleWatcher = new QgsFocusWatcher( mAngleLineEdit );
  connect( angleWatcher, &QgsFocusWatcher::focusOut, this, &QgsAdvancedDigitizingDockWidget::constraintFocusOut );
  connect( angleWatcher, &QgsFocusWatcher::focusIn, this, [ = ]()
  {
    const QString cleanedInputValue { QgsAdvancedDigitizingDockWidget::CadConstraint::removeSuffix( mAngleLineEdit->text(), Qgis::CadConstraintType::Angle ) };
    whileBlocking( mAngleLineEdit )->setText( cleanedInputValue );
  } );
  QgsFocusWatcher *distanceWatcher = new QgsFocusWatcher( mDistanceLineEdit );
  connect( distanceWatcher, &QgsFocusWatcher::focusOut, this, &QgsAdvancedDigitizingDockWidget::constraintFocusOut );
  connect( distanceWatcher, &QgsFocusWatcher::focusIn, this, [ = ]()
  {
    const QString cleanedInputValue { QgsAdvancedDigitizingDockWidget::CadConstraint::removeSuffix( mDistanceLineEdit->text(), Qgis::CadConstraintType::Distance ) };
    whileBlocking( mDistanceLineEdit )->setText( cleanedInputValue );
  } );
  QgsFocusWatcher *xWatcher = new QgsFocusWatcher( mXLineEdit );
  connect( xWatcher, &QgsFocusWatcher::focusOut, this, &QgsAdvancedDigitizingDockWidget::constraintFocusOut );
  QgsFocusWatcher *yWatcher = new QgsFocusWatcher( mYLineEdit );
  connect( yWatcher, &QgsFocusWatcher::focusOut, this, &QgsAdvancedDigitizingDockWidget::constraintFocusOut );
  QgsFocusWatcher *zWatcher = new QgsFocusWatcher( mZLineEdit );
  connect( zWatcher, &QgsFocusWatcher::focusOut, this, &QgsAdvancedDigitizingDockWidget::constraintFocusOut );
  QgsFocusWatcher *mWatcher = new QgsFocusWatcher( mMLineEdit );
  connect( mWatcher, &QgsFocusWatcher::focusOut, this, &QgsAdvancedDigitizingDockWidget::constraintFocusOut );
 
  // Common angle snapping menu
  mCommonAngleActionsMenu = new QMenu( this );
  // Suppress warning: Potential leak of memory pointed to by 'angleButtonGroup' [clang-analyzer-cplusplus.NewDeleteLeaks]
#ifndef __clang_analyzer__
  QActionGroup *angleButtonGroup = new QActionGroup( mCommonAngleActionsMenu ); // actions are exclusive for common angles NOLINT
#endif
  QList< QPair< double, QString > > commonAngles;
  const QList<double> anglesDouble( { 0.0, 0.1, 0.5, 1.0, 5.0, 10.0, 15.0, 18.0, 22.5, 30.0, 45.0, 90.0} );
  for ( QList<double>::const_iterator it = anglesDouble.constBegin(); it != anglesDouble.constEnd(); ++it )
  {
    commonAngles << QPair<double, QString>( *it, formatCommonAngleSnapping( *it ) );
  }
 
  {
    QMenu *snappingPriorityMenu = new QMenu( tr( "Snapping Priority" ), mCommonAngleActionsMenu );
    QActionGroup *snappingPriorityActionGroup = new QActionGroup( snappingPriorityMenu );
    QAction *featuresAction = new QAction( tr( "Prioritize Snapping to Features" ), snappingPriorityActionGroup );
    featuresAction->setCheckable( true );
    QAction *anglesAction = new QAction( tr( "Prioritize Snapping to Common Angles" ), snappingPriorityActionGroup );
    anglesAction->setCheckable( true );
    snappingPriorityActionGroup->addAction( featuresAction );
    snappingPriorityActionGroup->addAction( anglesAction );
    snappingPriorityMenu->addAction( anglesAction );
    snappingPriorityMenu->addAction( featuresAction );
    connect( anglesAction, &QAction::changed, this, [ = ]
    {
      mSnappingPrioritizeFeatures = featuresAction->isChecked();
      settingsCadSnappingPriorityPrioritizeFeature->setValue( featuresAction->isChecked() );
    } );
    featuresAction->setChecked( settingsCadSnappingPriorityPrioritizeFeature->value( ) );
    anglesAction->setChecked( ! featuresAction->isChecked() );
    mCommonAngleActionsMenu->addMenu( snappingPriorityMenu );
  }
 
  for ( QList< QPair<double, QString > >::const_iterator it = commonAngles.constBegin(); it != commonAngles.constEnd(); ++it )
  {
    QAction *action = new QAction( it->second, mCommonAngleActionsMenu );
    action->setCheckable( true );
    action->setChecked( it->first == mCommonAngleConstraint );
    mCommonAngleActionsMenu->addAction( action );
    // Suppress warning: Potential leak of memory pointed to by 'angleButtonGroup' [clang-analyzer-cplusplus.NewDeleteLeaks]
#ifndef __clang_analyzer__
    angleButtonGroup->addAction( action );
#endif
    mCommonAngleActions.insert( it->first, action );
  }
 
  // Construction modes
  QMenu *constructionSettingsMenu = new QMenu( this );
 
  mRecordConstructionGuides = new QAction( tr( "Record Construction Guides" ), constructionSettingsMenu );
  mRecordConstructionGuides->setCheckable( true );
  mRecordConstructionGuides->setChecked( settingsCadRecordConstructionGuides->value() );
  constructionSettingsMenu->addAction( mRecordConstructionGuides );
  connect( mRecordConstructionGuides, &QAction::triggered, this, [ = ]() { settingsCadRecordConstructionGuides->setValue( mRecordConstructionGuides->isChecked() ); } );
 
  mShowConstructionGuides = new QAction( tr( "Show Construction Guides" ), constructionSettingsMenu );
  mShowConstructionGuides->setCheckable( true );
  mShowConstructionGuides->setChecked( settingsCadShowConstructionGuides->value() );
  constructionSettingsMenu->addAction( mShowConstructionGuides );
  connect( mShowConstructionGuides, &QAction::triggered, this, [ = ]()
  {
    settingsCadShowConstructionGuides->setValue( mShowConstructionGuides->isChecked() );
    updateCadPaintItem();
  } );
 
  mSnapToConstructionGuides = new QAction( tr( "Snap to Visible Construction Guides" ), constructionSettingsMenu );
  mSnapToConstructionGuides->setCheckable( true );
  mSnapToConstructionGuides->setChecked( settingsCadSnapToConstructionGuides->value() );
  constructionSettingsMenu->addAction( mSnapToConstructionGuides );
  connect( mSnapToConstructionGuides, &QAction::triggered, this, [ = ]() { settingsCadSnapToConstructionGuides->setValue( mSnapToConstructionGuides->isChecked() ); } );
 
  constructionSettingsMenu->addSeparator();
 
  mClearConstructionGuides = new QAction( tr( "Clear Construction Guides" ), constructionSettingsMenu );
  constructionSettingsMenu->addAction( mClearConstructionGuides );
  connect( mClearConstructionGuides, &QAction::triggered, this, [ = ]()
  {
    resetConstructionGuides();
    updateCadPaintItem();
  } );
 
  QToolButton *constructionModeToolButton = qobject_cast< QToolButton *>( mToolbar->widgetForAction( mConstructionModeAction ) );
  constructionModeToolButton->setPopupMode( QToolButton::MenuButtonPopup );
  constructionModeToolButton->setMenu( constructionSettingsMenu );
  constructionModeToolButton->setObjectName( QStringLiteral( "ConstructionModeButton" ) );
 
  // Tools
  QMenu *toolsMenu = new QMenu( this );
  connect( toolsMenu, &QMenu::aboutToShow, this, [ = ]()
  {
    toolsMenu->clear();
    const QStringList toolMetadataNames = QgsGui::instance()->advancedDigitizingToolsRegistry()->toolMetadataNames();
    for ( const QString &name : toolMetadataNames )
    {
      QgsAdvancedDigitizingToolAbstractMetadata *toolMetadata = QgsGui::instance()->advancedDigitizingToolsRegistry()->toolMetadata( name );
      QAction *toolAction = new QAction( toolMetadata->icon(), toolMetadata->visibleName(), toolsMenu );
      connect( toolAction, &QAction::triggered, this, [ = ]()
      {
        setTool( toolMetadata->createTool( mMapCanvas, this ) );
      } );
      toolsMenu->addAction( toolAction );
    }
  } );
  qobject_cast< QToolButton *>( mToolbar->widgetForAction( mToolsAction ) )->setPopupMode( QToolButton::InstantPopup );
  mToolsAction->setMenu( toolsMenu );
 
  qobject_cast< QToolButton *>( mToolbar->widgetForAction( mSettingsAction ) )->setPopupMode( QToolButton::InstantPopup );
  mSettingsAction->setMenu( mCommonAngleActionsMenu );
  mSettingsAction->setCheckable( true );
  mSettingsAction->setToolTip( "<b>" + tr( "Snap to common angles" ) + "</b><br>(" + tr( "press n to cycle through the options" ) + ")" );
  mSettingsAction->setChecked( mCommonAngleConstraint != 0 );
  connect( mCommonAngleActionsMenu, &QMenu::triggered, this, &QgsAdvancedDigitizingDockWidget::settingsButtonTriggered );
 
  // Construction modes
  QMenu *constructionMenu = new QMenu( this );
 
  mLineExtensionAction = new QAction( tr( "Line Extension" ), constructionMenu );
  mLineExtensionAction->setCheckable( true );
  constructionMenu->addAction( mLineExtensionAction );
  connect( mLineExtensionAction, &QAction::triggered, this, &QgsAdvancedDigitizingDockWidget::lockParameterlessConstraint );
 
  mXyVertexAction = new QAction( tr( "X/Y Point" ), constructionMenu );
  mXyVertexAction->setCheckable( true );
  constructionMenu->addAction( mXyVertexAction );
  connect( mXyVertexAction, &QAction::triggered, this, &QgsAdvancedDigitizingDockWidget::lockParameterlessConstraint );
 
  auto constructionToolBar = qobject_cast< QToolButton *>( mToolbar->widgetForAction( mConstructionAction ) );
  constructionToolBar->setPopupMode( QToolButton::InstantPopup );
  constructionToolBar->setMenu( constructionMenu );
  constructionToolBar->setObjectName( QStringLiteral( "ConstructionButton" ) );
 
  mConstructionAction->setMenu( mCommonAngleActionsMenu );
  mConstructionAction->setCheckable( true );
  mConstructionAction->setToolTip( tr( "Construction Tools" ) );
//  connect( constructionMenu, &QMenu::triggered, this, &QgsAdvancedDigitizingDockWidget::settingsButtonTriggered );
 
  // set tooltips
  mConstructionModeAction->setToolTip( "<b>" + tr( "Construction mode" ) + "</b><br>(" + tr( "press c to toggle on/off" ) + ")" );
  mDistanceLineEdit->setToolTip( "<b>" + tr( "Distance" ) + "</b><br>(" + tr( "press d for quick access" ) + ")" );
  mLockDistanceButton->setToolTip( "<b>" + tr( "Lock distance" ) + "</b><br>(" + tr( "press Ctrl + d for quick access" ) + ")" );
  mRepeatingLockDistanceButton->setToolTip( "<b>" + tr( "Continuously lock distance" ) + "</b>" );
 
  mRelativeAngleButton->setToolTip( "<b>" + tr( "Toggles relative angle to previous segment" ) + "</b><br>(" + tr( "press Shift + a for quick access" ) + ")" );
  mAngleLineEdit->setToolTip( "<b>" + tr( "Angle" ) + "</b><br>(" + tr( "press a for quick access" ) + ")" );
  mLockAngleButton->setToolTip( "<b>" + tr( "Lock angle" ) + "</b><br>(" + tr( "press Ctrl + a for quick access" ) + ")" );
  mRepeatingLockAngleButton->setToolTip( "<b>" + tr( "Continuously lock angle" ) + "</b>" );
 
  mRelativeXButton->setToolTip( "<b>" + tr( "Toggles relative x to previous node" ) + "</b><br>(" + tr( "press Shift + x for quick access" ) + ")" );
  mXLineEdit->setToolTip( "<b>" + tr( "X coordinate" ) + "</b><br>(" + tr( "press x for quick access" ) + ")" );
  mLockXButton->setToolTip( "<b>" + tr( "Lock x coordinate" ) + "</b><br>(" + tr( "press Ctrl + x for quick access" ) + ")" );
  mRepeatingLockXButton->setToolTip( "<b>" + tr( "Continuously lock x coordinate" ) + "</b>" );
 
  mRelativeYButton->setToolTip( "<b>" + tr( "Toggles relative y to previous node" ) + "</b><br>(" + tr( "press Shift + y for quick access" ) + ")" );
  mYLineEdit->setToolTip( "<b>" + tr( "Y coordinate" ) + "</b><br>(" + tr( "press y for quick access" ) + ")" );
  mLockYButton->setToolTip( "<b>" + tr( "Lock y coordinate" ) + "</b><br>(" + tr( "press Ctrl + y for quick access" ) + ")" );
  mRepeatingLockYButton->setToolTip( "<b>" + tr( "Continuously lock y coordinate" ) + "</b>" );
 
  mRelativeZButton->setToolTip( "<b>" + tr( "Toggles relative z to previous node" ) + "</b><br>(" + tr( "press Shift + z for quick access" ) + ")" );
  mZLineEdit->setToolTip( "<b>" + tr( "Z coordinate" ) + "</b><br>(" + tr( "press z for quick access" ) + ")" );
  mLockZButton->setToolTip( "<b>" + tr( "Lock z coordinate" ) + "</b><br>(" + tr( "press Ctrl + z for quick access" ) + ")" );
  mRepeatingLockZButton->setToolTip( "<b>" + tr( "Continuously lock z coordinate" ) + "</b>" );
 
  mRelativeMButton->setToolTip( "<b>" + tr( "Toggles relative m to previous node" ) + "</b><br>(" + tr( "press Shift + m for quick access" ) + ")" );
  mMLineEdit->setToolTip( "<b>" + tr( "M coordinate" ) + "</b><br>(" + tr( "press m for quick access" ) + ")" );
  mLockMButton->setToolTip( "<b>" + tr( "Lock m coordinate" ) + "</b><br>(" + tr( "press Ctrl + m for quick access" ) + ")" );
  mRepeatingLockMButton->setToolTip( "<b>" + tr( "Continuously lock m coordinate" ) + "</b>" );
 
  // Create the slots/signals
  connect( mXLineEdit, &QLineEdit::textChanged, this, &QgsAdvancedDigitizingDockWidget::valueXChanged );
  connect( mYLineEdit, &QLineEdit::textChanged, this, &QgsAdvancedDigitizingDockWidget::valueYChanged );
  connect( mZLineEdit, &QLineEdit::textChanged, this, &QgsAdvancedDigitizingDockWidget::valueZChanged );
  connect( mMLineEdit, &QLineEdit::textChanged, this, &QgsAdvancedDigitizingDockWidget::valueMChanged );
  connect( mDistanceLineEdit, &QLineEdit::textChanged, this, &QgsAdvancedDigitizingDockWidget::valueDistanceChanged );
  connect( mAngleLineEdit, &QLineEdit::textChanged, this, &QgsAdvancedDigitizingDockWidget::valueAngleChanged );
 
  // Create the floater
  mFloaterActionsMenu = new QMenu( this );
  qobject_cast< QToolButton *>( mToolbar->widgetForAction( mFloaterAction ) )->setPopupMode( QToolButton::InstantPopup );
  mFloaterAction->setMenu( mFloaterActionsMenu );
  mFloaterAction->setCheckable( true );
  mFloater = new QgsAdvancedDigitizingFloater( canvas, this );
  mFloaterAction->setChecked( mFloater->active() );
 
  // Add floater config actions
  {
    QAction *action = new QAction( tr( "Show floater" ), mFloaterActionsMenu );
    action->setCheckable( true );
    action->setChecked( mFloater->active() );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setActive( checked );
      mFloaterAction->setChecked( checked );
    } );
  }
 
  mFloaterActionsMenu->addSeparator();
 
  {
    QAction *action = new QAction( tr( "Show distance" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::Distance, checked );
    } );
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/DistanceShowInFloater" ), true ).toBool() );
  }
 
  {
    QAction *action = new QAction( tr( "Show angle" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::Angle, checked );
    } );
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/AngleShowInFloater" ), true ).toBool() );
  }
 
  {
    QAction *action = new QAction( tr( "Show XY coordinates" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::XCoordinate, checked );
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::YCoordinate, checked );
    } );
    // There is no separate menu option for X and Y so let's check for X only.
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/XCoordinateShowInFloater" ), true ).toBool() );
  }
 
  {
    QAction *action = new QAction( tr( "Show Z value" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::ZCoordinate, checked );
    } );
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/ZCoordinateShowInFloater" ), true ).toBool() );
  }
 
  {
    QAction *action = new QAction( tr( "Show M value" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::MCoordinate, checked );
    } );
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/MCoordinateShowInFloater" ), true ).toBool() );
  }
 
  {
    QAction *action = new QAction( tr( "Show bearing/azimuth" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::Bearing, checked );
    } );
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/BearingShowInFloater" ), false ).toBool() );
  }
 
  {
    QAction *action = new QAction( tr( "Show common snapping angle" ), mFloaterActionsMenu );
    action->setCheckable( true );
    mFloaterActionsMenu->addAction( action );
    connect( action, &QAction::toggled, this, [ = ]( bool checked )
    {
      mFloater->setItemVisibility( QgsAdvancedDigitizingFloater::FloaterItem::CommonAngleSnapping, checked );
    } );
    action->setChecked( QgsSettings().value( QStringLiteral( "/Cad/CommonAngleSnappingShowInFloater" ), false ).toBool() );
  }
 
  updateCapacity( true );
  connect( QgsProject::instance(), &QgsProject::snappingConfigChanged, this, [ = ] { updateCapacity( true ); } );
 
  connect( QgsProject::instance(), &QgsProject::cleared, this, [ = ]()
  {
    mConstructionGuidesLayer.reset();
  } );
  connect( mMapCanvas, &QgsMapCanvas::destinationCrsChanged, this, [ = ] { updateConstructionGuidesCrs(); } );
 
  disable();
}
 
QgsAdvancedDigitizingDockWidget::~QgsAdvancedDigitizingDockWidget()
{
  if ( mCurrentTool )
  {
    mCurrentTool->deleteLater();
  }
}
 
QString QgsAdvancedDigitizingDockWidget::formatCommonAngleSnapping( double angle )
{
  if ( angle == 0 )
    return  tr( "Do Not Snap to Common Angles" );
  else
    return QString( tr( "%1, %2, %3, %4°…" ) ).arg( angle, 0, 'f', 1 ).arg( angle * 2, 0, 'f', 1 ).arg( angle * 3, 0, 'f', 1 ).arg( angle * 4, 0, 'f', 1 );
}
 
void QgsAdvancedDigitizingDockWidget::setX( const QString &value, WidgetSetMode mode )
{
  mXLineEdit->setText( value );
  if ( mode == WidgetSetMode::ReturnPressed )
  {
    emit mXLineEdit->returnPressed();
  }
  else if ( mode == WidgetSetMode::FocusOut )
  {
    QEvent *e = new QEvent( QEvent::FocusOut );
    QCoreApplication::postEvent( mXLineEdit, e );
  }
  else if ( mode == WidgetSetMode::TextEdited )
  {
    emit mXLineEdit->textEdited( value );
  }
}
void QgsAdvancedDigitizingDockWidget::setY( const QString &value, WidgetSetMode mode )
{
  mYLineEdit->setText( value );
  if ( mode == WidgetSetMode::ReturnPressed )
  {
    emit mYLineEdit->returnPressed();
  }
  else if ( mode == WidgetSetMode::FocusOut )
  {
    QEvent *e = new QEvent( QEvent::FocusOut );
    QCoreApplication::postEvent( mYLineEdit, e );
  }
  else if ( mode == WidgetSetMode::TextEdited )
  {
    emit mYLineEdit->textEdited( value );
  }
}
void QgsAdvancedDigitizingDockWidget::setZ( const QString &value, WidgetSetMode mode )
{
  mZLineEdit->setText( value );
  if ( mode == WidgetSetMode::ReturnPressed )
  {
    emit mZLineEdit->returnPressed();
  }
  else if ( mode == WidgetSetMode::FocusOut )
  {
    QEvent *e = new QEvent( QEvent::FocusOut );
    QCoreApplication::postEvent( mZLineEdit, e );
  }
  else if ( mode == WidgetSetMode::TextEdited )
  {
    emit mZLineEdit->textEdited( value );
  }
}
void QgsAdvancedDigitizingDockWidget::setM( const QString &value, WidgetSetMode mode )
{
  mMLineEdit->setText( value );
  if ( mode == WidgetSetMode::ReturnPressed )
  {
    emit mMLineEdit->returnPressed();
  }
  else if ( mode == WidgetSetMode::FocusOut )
  {
    QEvent *e = new QEvent( QEvent::FocusOut );
    QCoreApplication::postEvent( mMLineEdit, e );
  }
  else if ( mode == WidgetSetMode::TextEdited )
  {
    emit mMLineEdit->textEdited( value );
  }
}
void QgsAdvancedDigitizingDockWidget::setAngle( const QString &value, WidgetSetMode mode )
{
  mAngleLineEdit->setText( value );
  if ( mode == WidgetSetMode::ReturnPressed )
  {
    emit mAngleLineEdit->returnPressed();
  }
  else if ( mode == WidgetSetMode::FocusOut )
  {
    emit mAngleLineEdit->textEdited( value );
  }
}
void QgsAdvancedDigitizingDockWidget::setDistance( const QString &value, WidgetSetMode mode )
{
  mDistanceLineEdit->setText( value );
  if ( mode == WidgetSetMode::ReturnPressed )
  {
    emit mDistanceLineEdit->returnPressed();
  }
  else if ( mode == WidgetSetMode::FocusOut )
  {
    QEvent *e = new QEvent( QEvent::FocusOut );
    QCoreApplication::postEvent( mDistanceLineEdit, e );
  }
  else if ( mode == WidgetSetMode::TextEdited )
  {
    emit mDistanceLineEdit->textEdited( value );
  }
}
 
 
void QgsAdvancedDigitizingDockWidget::setCadEnabled( bool enabled )
{
  mCadEnabled = enabled;
  mEnableAction->setChecked( enabled );
  mConstructionModeAction->setEnabled( enabled );
  mSettingsAction->setEnabled( enabled );
  mInputWidgets->setEnabled( enabled );
  mFloaterAction->setEnabled( enabled );
  mConstructionAction->setEnabled( enabled );
  mToolsAction->setEnabled( enabled );
 
  if ( !enabled )
  {
    // uncheck at deactivation
    mLineExtensionAction->setChecked( false );
    mXyVertexAction->setChecked( false );
    // will be reactivated in updateCapacities
    mParallelAction->setEnabled( false );
    mPerpendicularAction->setEnabled( false );
    if ( mCurrentTool )
    {
      mCurrentTool->deleteLater();
    }
  }
 
 
  clear();
  clearLockedSnapVertices();
  setConstructionMode( false );
 
  switchZM();
  emit cadEnabledChanged( enabled );
 
  if ( enabled )
  {
    emit valueCommonAngleSnappingChanged( mCommonAngleConstraint );
  }
 
  mLastSnapMatch = QgsPointLocator::Match();
}
 
 
void QgsAdvancedDigitizingDockWidget::switchZM( )
{
  bool enableZ = false;
  bool enableM = false;
 
  if ( QgsMapLayer *layer = targetLayer() )
  {
    switch ( layer->type() )
    {
      case Qgis::LayerType::Vector:
      {
        QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( layer );
        const Qgis::WkbType type = vlayer->wkbType();
        enableZ = QgsWkbTypes::hasZ( type );
        enableM = QgsWkbTypes::hasM( type );
        break;
      }
 
      case Qgis::LayerType::Mesh:
      {
        QgsMeshLayer *mlayer = qobject_cast<QgsMeshLayer *>( layer );
        enableZ = mlayer->isEditable();
        break;
      }
 
      case Qgis::LayerType::Raster:
      case Qgis::LayerType::Plugin:
      case Qgis::LayerType::VectorTile:
      case Qgis::LayerType::Annotation:
      case Qgis::LayerType::PointCloud:
      case Qgis::LayerType::Group:
      case Qgis::LayerType::TiledScene:
        break;
    }
  }
 
  setEnabledZ( enableZ );
  setEnabledM( enableM );
}
 
void QgsAdvancedDigitizingDockWidget::setEnabledZ( bool enable )
{
  mRelativeZButton->setEnabled( enable );
  mZLabel->setEnabled( enable );
  mZLineEdit->setEnabled( enable );
  if ( mZLineEdit->isEnabled() )
    mZLineEdit->setText( QLocale().toString( QgsMapToolEdit::defaultZValue(), 'f', 6 ) );
  else
    mZLineEdit->clear();
  mLockZButton->setEnabled( enable );
  emit enabledChangedZ( enable );
}
 
void QgsAdvancedDigitizingDockWidget::setEnabledM( bool enable )
{
  mRelativeMButton->setEnabled( enable );
  mMLabel->setEnabled( enable );
  mMLineEdit->setEnabled( enable );
  if ( mMLineEdit->isEnabled() )
    mMLineEdit->setText( QLocale().toString( QgsMapToolEdit::defaultMValue(), 'f', 6 ) );
  else
    mMLineEdit->clear();
  mLockMButton->setEnabled( enable );
  emit enabledChangedM( enable );
}
 
void QgsAdvancedDigitizingDockWidget::activateCad( bool enabled )
{
  enabled &= mCurrentMapToolSupportsCad;
 
  mSessionActive = enabled;
 
  if ( enabled && !isVisible() )
  {
    show();
  }
 
  setCadEnabled( enabled );
}
 
void QgsAdvancedDigitizingDockWidget::setTool( QgsAdvancedDigitizingTool *tool )
{
  if ( mCurrentTool )
  {
    mCurrentTool->deleteLater();
    mCurrentTool = nullptr;
  }
 
  mCurrentTool = tool;
 
  if ( mCurrentTool )
  {
    if ( QWidget *toolWidget = mCurrentTool->createWidget() )
    {
      toolWidget->setParent( mUserInputWidget );
      mUserInputWidget->addUserInputWidget( toolWidget );
    }
    connect( mCurrentTool.data(), &QgsAdvancedDigitizingTool::paintRequested, this, &QgsAdvancedDigitizingDockWidget::updateCadPaintItem );
  }
}
 
QgsAdvancedDigitizingTool *QgsAdvancedDigitizingDockWidget::tool() const
{
  return mCurrentTool.data();
}
 
void QgsAdvancedDigitizingDockWidget::betweenLineConstraintClicked( bool activated )
{
  if ( !activated )
  {
    lockBetweenLineConstraint( Qgis::BetweenLineConstraint::NoConstraint );
  }
  else if ( sender() == mParallelAction )
  {
    lockBetweenLineConstraint( Qgis::BetweenLineConstraint::Parallel );
  }
  else if ( sender() == mPerpendicularAction )
  {
    lockBetweenLineConstraint( Qgis::BetweenLineConstraint::Perpendicular );
  }
}
 
void QgsAdvancedDigitizingDockWidget::setConstraintRelative( bool activate )
{
  if ( sender() == mRelativeAngleButton )
  {
    mAngleConstraint->setRelative( activate );
    emit relativeAngleChanged( activate );
  }
  else if ( sender() == mRelativeXButton )
  {
    mXConstraint->setRelative( activate );
    emit relativeXChanged( activate );
  }
  else if ( sender() == mRelativeYButton )
  {
    mYConstraint->setRelative( activate );
    emit relativeYChanged( activate );
  }
  else if ( sender() == mRelativeZButton )
  {
    mZConstraint->setRelative( activate );
    emit relativeZChanged( activate );
  }
  else if ( sender() == mRelativeMButton )
  {
    mMConstraint->setRelative( activate );
    emit relativeMChanged( activate );
  }
}
 
void QgsAdvancedDigitizingDockWidget::setConstraintRepeatingLock( bool activate )
{
  if ( sender() == mRepeatingLockDistanceButton )
  {
    mDistanceConstraint->setRepeatingLock( activate );
  }
  else if ( sender() == mRepeatingLockAngleButton )
  {
    mAngleConstraint->setRepeatingLock( activate );
  }
  else if ( sender() == mRepeatingLockXButton )
  {
    mXConstraint->setRepeatingLock( activate );
  }
  else if ( sender() == mRepeatingLockYButton )
  {
    mYConstraint->setRepeatingLock( activate );
  }
  else if ( sender() == mRepeatingLockZButton )
  {
    mZConstraint->setRepeatingLock( activate );
  }
  else if ( sender() == mRepeatingLockMButton )
  {
    mMConstraint->setRepeatingLock( activate );
  }
}
 
void QgsAdvancedDigitizingDockWidget::setConstructionMode( bool enabled )
{
  mConstructionMode = enabled;
  mConstructionModeAction->setChecked( enabled );
 
  if ( recordConstructionGuides() )
  {
    if ( enabled && mCadPointList.size() > 1 )
    {
      mConstructionGuideLine.addVertex( mCadPointList.at( 1 ) );
    }
  }
}
 
void QgsAdvancedDigitizingDockWidget::settingsButtonTriggered( QAction *action )
{
  // common angles
  for ( auto it = mCommonAngleActions.cbegin(); it != mCommonAngleActions.cend(); ++it )
  {
    if ( it.value() == action )
    {
      it.value()->setChecked( true );
      mCommonAngleConstraint = it.key();
      QgsSettings().setValue( QStringLiteral( "/Cad/CommonAngle" ), it.key() );
      mSettingsAction->setChecked( mCommonAngleConstraint != 0 );
      emit valueCommonAngleSnappingChanged( mCommonAngleConstraint );
      return;
    }
  }
}
 
QgsMapLayer *QgsAdvancedDigitizingDockWidget::targetLayer() const
{
  if ( QgsMapToolAdvancedDigitizing *advancedTool = qobject_cast< QgsMapToolAdvancedDigitizing * >( mMapCanvas->mapTool() ) )
  {
    return advancedTool->layer();
  }
  else
  {
    return mMapCanvas->currentLayer();
  }
}
 
void QgsAdvancedDigitizingDockWidget::releaseLocks( bool releaseRepeatingLocks )
{
  // release all locks except construction mode
 
  lockBetweenLineConstraint( Qgis::BetweenLineConstraint::NoConstraint );
 
  if ( releaseRepeatingLocks )
  {
    mXyVertexAction->setChecked( false );
    mXyVertexConstraint->setLockMode( CadConstraint::NoLock );
    emit softLockXyChanged( false );
 
    mLineExtensionAction->setChecked( false );
    mLineExtensionConstraint->setLockMode( CadConstraint::NoLock );
    emit softLockLineExtensionChanged( false );
 
    clearLockedSnapVertices();
  }
 
  if ( releaseRepeatingLocks || !mAngleConstraint->isRepeatingLock() )
  {
    mAngleConstraint->setLockMode( CadConstraint::NoLock );
    emit lockAngleChanged( false );
  }
  if ( releaseRepeatingLocks || !mDistanceConstraint->isRepeatingLock() )
  {
    mDistanceConstraint->setLockMode( CadConstraint::NoLock );
    emit lockDistanceChanged( false );
  }
  if ( releaseRepeatingLocks || !mXConstraint->isRepeatingLock() )
  {
    mXConstraint->setLockMode( CadConstraint::NoLock );
    emit lockXChanged( false );
  }
  if ( releaseRepeatingLocks || !mYConstraint->isRepeatingLock() )
  {
    mYConstraint->setLockMode( CadConstraint::NoLock );
    emit lockYChanged( false );
  }
  if ( releaseRepeatingLocks || !mZConstraint->isRepeatingLock() )
  {
    mZConstraint->setLockMode( CadConstraint::NoLock );
    emit lockZChanged( false );
  }
  if ( releaseRepeatingLocks || !mMConstraint->isRepeatingLock() )
  {
    mMConstraint->setLockMode( CadConstraint::NoLock );
    emit lockMChanged( false );
  }
 
  if ( !mCadPointList.empty() )
  {
    if ( !mXConstraint->isLocked() && !mXConstraint->relative() )
    {
      mXConstraint->setValue( mCadPointList.constLast().x(), true );
    }
    if ( !mYConstraint->isLocked() && !mYConstraint->relative() )
    {
      mYConstraint->setValue( mCadPointList.constLast().y(), true );
    }
    if ( !mZConstraint->isLocked() && !mZConstraint->relative() )
    {
      mZConstraint->setValue( mCadPointList.constLast().z(), true );
    }
    if ( !mMConstraint->isLocked() && !mMConstraint->relative() )
    {
      mMConstraint->setValue( mCadPointList.constLast().m(), true );
    }
  }
}
 
#if 0
void QgsAdvancedDigitizingDockWidget::emit pointChanged()
{
  // run a fake map mouse event to update the paint item
  QPoint globalPos = mMapCanvas->cursor().pos();
  QPoint pos = mMapCanvas->mapFromGlobal( globalPos );
  QMouseEvent *e = new QMouseEvent( QEvent::MouseMove, pos, globalPos, Qt::NoButton, Qt::NoButton, Qt::NoModifier );
  mCurrentMapTool->canvasMoveEvent( e );
}
#endif
 
QgsAdvancedDigitizingDockWidget::CadConstraint *QgsAdvancedDigitizingDockWidget::objectToConstraint( const QObject *obj ) const
{
  CadConstraint *constraint = nullptr;
  if ( obj == mAngleLineEdit || obj == mLockAngleButton )
  {
    constraint = mAngleConstraint.get();
  }
  else if ( obj == mDistanceLineEdit || obj == mLockDistanceButton )
  {
    constraint = mDistanceConstraint.get();
  }
  else if ( obj == mXLineEdit  || obj == mLockXButton )
  {
    constraint = mXConstraint.get();
  }
  else if ( obj == mYLineEdit  || obj == mLockYButton )
  {
    constraint = mYConstraint.get();
  }
  else if ( obj == mZLineEdit  || obj == mLockZButton )
  {
    constraint = mZConstraint.get();
  }
  else if ( obj == mMLineEdit  || obj == mLockMButton )
  {
    constraint = mMConstraint.get();
  }
  else if ( obj == mLineExtensionAction )
  {
    constraint = mLineExtensionConstraint.get();
  }
  else if ( obj == mXyVertexAction )
  {
    constraint = mXyVertexConstraint.get();
  }
  return constraint;
}
 
double QgsAdvancedDigitizingDockWidget::parseUserInput( const QString &inputValue, const Qgis::CadConstraintType type, bool &ok ) const
{
  ok = false;
 
  const QString cleanedInputValue { CadConstraint::removeSuffix( inputValue, type ) };
  double value = qgsPermissiveToDouble( cleanedInputValue, ok );
 
  if ( ! ok )
  {
    // try to evaluate expression
    QgsExpression expr( inputValue );
    const QVariant result = expr.evaluate();
    if ( expr.hasEvalError() )
    {
      ok = false;
      QString inputValueC { inputValue };
 
      // First: try removing group separator
      if ( inputValue.contains( QLocale().groupSeparator() ) )
      {
        inputValueC.remove( QLocale().groupSeparator() );
        QgsExpression exprC( inputValueC );
        const QVariant resultC = exprC.evaluate();
        if ( ! exprC.hasEvalError() )
        {
          value = resultC.toDouble( &ok );
        }
      }
 
      // Second: be nice with non-dot locales
      if ( !ok && QLocale().decimalPoint() != QChar( '.' ) && inputValueC.contains( QLocale().decimalPoint() ) )
      {
        QgsExpression exprC( inputValueC .replace( QLocale().decimalPoint(), QChar( '.' ) ) );
        const QVariant resultC = exprC.evaluate();
        if ( ! exprC.hasEvalError() )
        {
          value = resultC.toDouble( &ok );
        }
      }
    }
    else
    {
      value = result.toDouble( &ok );
    }
  }
 
  if ( ok && type == Qgis::CadConstraintType::Distance )
  {
    const Qgis::DistanceUnit displayUnits { QgsProject::instance()->distanceUnits() };
    // Convert to canvas units
    const Qgis::DistanceUnit canvasUnits { mMapCanvas->mapSettings().mapUnits() };
    value *= QgsUnitTypes::fromUnitToUnitFactor( displayUnits, canvasUnits );
  }
 
  return value;
}
 
void QgsAdvancedDigitizingDockWidget::updateConstraintValue( CadConstraint *constraint, const QString &textValue, bool convertExpression )
{
  if ( !constraint || textValue.isEmpty() )
  {
    return;
  }
 
  if ( constraint->lockMode() == CadConstraint::NoLock )
    return;
 
  bool ok;
  const double value = parseUserInput( textValue, constraint->cadConstraintType(), ok );
  if ( !ok )
    return;
 
  constraint->setValue( value, convertExpression );
  // run a fake map mouse event to update the paint item
  emit pointChangedV2( mCadPointList.value( 0 ) );
}
 
void QgsAdvancedDigitizingDockWidget::lockConstraint( bool activate /* default true */ )
{
  CadConstraint *constraint = objectToConstraint( sender() );
  if ( !constraint )
  {
    return;
  }
 
  if ( activate )
  {
    const QString textValue = constraint->lineEdit()->text();
    if ( !textValue.isEmpty() )
    {
      bool ok;
      const double value = parseUserInput( textValue, constraint->cadConstraintType(), ok );
      if ( ok )
      {
        constraint->setValue( value );
      }
      else
      {
        activate = false;
      }
    }
    else
    {
      activate = false;
    }
  }
  constraint->setLockMode( activate ? CadConstraint::HardLock : CadConstraint::NoLock );
 
  if ( constraint == mXConstraint.get() )
  {
    emit lockXChanged( activate );
  }
  else if ( constraint == mYConstraint.get() )
  {
    emit lockYChanged( activate );
  }
  else if ( constraint == mZConstraint.get() )
  {
    emit lockZChanged( activate );
  }
  else if ( constraint == mMConstraint.get() )
  {
    emit lockMChanged( activate );
  }
  else if ( constraint == mDistanceConstraint.get() )
  {
    emit lockDistanceChanged( activate );
  }
  else if ( constraint == mAngleConstraint.get() )
  {
    emit lockAngleChanged( activate );
  }
 
  if ( activate )
  {
    // deactivate perpendicular/parallel if angle has been activated
    if ( constraint == mAngleConstraint.get() )
    {
      lockBetweenLineConstraint( Qgis::BetweenLineConstraint::NoConstraint );
    }
 
    // run a fake map mouse event to update the paint item
    emit pointChangedV2( mCadPointList.value( 0 ) );
  }
}
 
void QgsAdvancedDigitizingDockWidget::constraintTextEdited( const QString &textValue )
{
  CadConstraint *constraint = objectToConstraint( sender() );
  if ( !constraint )
  {
    return;
  }
 
  updateConstraintValue( constraint, textValue, false );
}
 
void QgsAdvancedDigitizingDockWidget::constraintFocusOut()
{
  QLineEdit *lineEdit = qobject_cast< QLineEdit * >( sender()->parent() );
  if ( !lineEdit )
    return;
 
  CadConstraint *constraint = objectToConstraint( lineEdit );
  if ( !constraint )
  {
    return;
  }
 
  updateConstraintValue( constraint, lineEdit->text(), true );
}
 
void QgsAdvancedDigitizingDockWidget::lockBetweenLineConstraint( Qgis::BetweenLineConstraint constraint )
{
  mBetweenLineConstraint = constraint;
  mPerpendicularAction->setChecked( constraint == Qgis::BetweenLineConstraint::Perpendicular );
  mParallelAction->setChecked( constraint == Qgis::BetweenLineConstraint::Parallel );
}
 
void QgsAdvancedDigitizingDockWidget::lockParameterlessConstraint( bool activate /* default true */ )
{
  CadConstraint *constraint = objectToConstraint( sender() );
  if ( !constraint )
  {
    return;
  }
 
  constraint->setLockMode( activate ? CadConstraint::SoftLock : CadConstraint::NoLock );
 
  if ( constraint == mXyVertexConstraint.get() )
  {
    emit softLockXyChanged( activate );
  }
  else if ( constraint == mLineExtensionConstraint.get() )
  {
    emit softLockLineExtensionChanged( activate );
  }
 
  if ( activate )
  {
    // run a fake map mouse event to update the paint item
    emit pointChangedV2( mCadPointList.value( 0 ) );
  }
 
  clearLockedSnapVertices( false );
}
 
void QgsAdvancedDigitizingDockWidget::updateCapacity( bool updateUIwithoutChange )
{
  CadCapacities newCapacities = CadCapacities();
  const bool isGeographic = mMapCanvas->mapSettings().destinationCrs().isGeographic();
 
  // first point is the mouse point (it doesn't count)
  if ( mCadPointList.count() > 1 )
  {
    newCapacities |=  RelativeCoordinates;
    if ( !isGeographic )
    {
      newCapacities |= AbsoluteAngle;
      newCapacities |= Distance;
    }
  }
  if ( mCadPointList.count() > 2 )
  {
    if ( !isGeographic )
      newCapacities |= RelativeAngle;
  }
  if ( !updateUIwithoutChange && newCapacities == mCapacities )
  {
    return;
  }
 
  const bool snappingEnabled = QgsProject::instance()->snappingConfig().enabled();
 
  // update the UI according to new capacities
  // still keep the old to compare
 
  const bool distance =  mCadEnabled && newCapacities.testFlag( Distance );
  const bool relativeAngle = mCadEnabled && newCapacities.testFlag( RelativeAngle );
  const bool absoluteAngle = mCadEnabled && newCapacities.testFlag( AbsoluteAngle );
  const bool relativeCoordinates = mCadEnabled && newCapacities.testFlag( RelativeCoordinates );
 
  mPerpendicularAction->setEnabled( distance && snappingEnabled );
  mParallelAction->setEnabled( distance && snappingEnabled );
 
  mLineExtensionAction->setEnabled( snappingEnabled );
  mXyVertexAction->setEnabled( snappingEnabled );
  clearLockedSnapVertices( false );
 
  //update tooltips on buttons
  if ( !snappingEnabled )
  {
    mPerpendicularAction->setToolTip( tr( "Snapping must be enabled to utilize perpendicular mode." ) );
    mParallelAction->setToolTip( tr( "Snapping must be enabled to utilize parallel mode." ) );
    mLineExtensionAction->setToolTip( tr( "Snapping must be enabled to utilize line extension mode." ) );
    mXyVertexAction->setToolTip( tr( "Snapping must be enabled to utilize xy point mode." ) );
  }
  else if ( mCadPointList.count() <= 1 )
  {
    mPerpendicularAction->setToolTip( tr( "A first vertex should be drawn to utilize perpendicular mode." ) );
    mParallelAction->setToolTip( tr( "A first vertex should be drawn to utilize parallel mode." ) );
  }
  else if ( isGeographic )
  {
    mPerpendicularAction->setToolTip( tr( "Perpendicular mode cannot be used on geographic coordinates. Change the coordinates system in the project properties." ) );
    mParallelAction->setToolTip( tr( "Parallel mode cannot be used on geographic coordinates. Change the coordinates system in the project properties." ) );
  }
  else
  {
    mPerpendicularAction->setToolTip( "<b>" + tr( "Perpendicular" ) + "</b><br>(" + tr( "press p to switch between perpendicular, parallel and normal mode" ) + ")" );
    mParallelAction->setToolTip( "<b>" + tr( "Parallel" ) + "</b><br>(" + tr( "press p to switch between perpendicular, parallel and normal mode" ) + ")" );
  }
 
 
  if ( !absoluteAngle )
  {
    lockBetweenLineConstraint( Qgis::BetweenLineConstraint::NoConstraint );
  }
 
  // absolute angle = azimuth, relative = from previous line
  mLockAngleButton->setEnabled( absoluteAngle );
  mRelativeAngleButton->setEnabled( relativeAngle );
  mAngleLineEdit->setEnabled( absoluteAngle );
  emit enabledChangedAngle( absoluteAngle );
  if ( !absoluteAngle )
  {
    mAngleConstraint->setLockMode( CadConstraint::NoLock );
  }
  if ( !relativeAngle )
  {
    mAngleConstraint->setRelative( false );
    emit relativeAngleChanged( false );
  }
  else if ( relativeAngle && !mCapacities.testFlag( RelativeAngle ) )
  {
    // set angle mode to relative if can do and wasn't available before
    mAngleConstraint->setRelative( true );
    emit relativeAngleChanged( true );
  }
 
  // distance is always relative
  mLockDistanceButton->setEnabled( distance && relativeCoordinates );
  mDistanceLineEdit->setEnabled( distance && relativeCoordinates );
  emit enabledChangedDistance( distance && relativeCoordinates );
  if ( !( distance && relativeCoordinates ) )
  {
    mDistanceConstraint->setLockMode( CadConstraint::NoLock );
  }
 
  mRelativeXButton->setEnabled( relativeCoordinates );
  mRelativeYButton->setEnabled( relativeCoordinates );
  mRelativeZButton->setEnabled( relativeCoordinates );
  mRelativeMButton->setEnabled( relativeCoordinates );
 
  // update capacities
  mCapacities = newCapacities;
  mCadPaintItem->updatePosition();
}
 
 
static QgsCadUtils::AlignMapPointConstraint _constraint( QgsAdvancedDigitizingDockWidget::CadConstraint *c )
{
  QgsCadUtils::AlignMapPointConstraint constr;
  constr.locked = c->isLocked();
  constr.relative = c->relative();
  constr.value = c->value();
  return constr;
}
 
void QgsAdvancedDigitizingDockWidget::toggleLockedSnapVertex( const QgsPointLocator::Match &snapMatch, const QgsPointLocator::Match &previouslySnap )
{
  // do nothing if not activated
  if ( !mLineExtensionConstraint->isLocked() && !mXyVertexConstraint->isLocked() )
  {
    return;
  }
 
  // if the first is same actual, not toggle if previously snapped
  const int lastIndex = mLockedSnapVertices.length() - 1;
  for ( int i = lastIndex ; i >= 0; --i )
  {
    if ( mLockedSnapVertices[i].point() == snapMatch.point() )
    {
      if ( snapMatch.point() != previouslySnap.point() )
      {
        mLockedSnapVertices.removeAt( i );
      }
      return;
    }
  }
 
  if ( snapMatch.point() != previouslySnap.point() )
  {
    mLockedSnapVertices.enqueue( snapMatch );
  }
 
  if ( mLockedSnapVertices.count() > 3 )
  {
    mLockedSnapVertices.dequeue();
  }
}
 
bool QgsAdvancedDigitizingDockWidget::applyConstraints( QgsMapMouseEvent *e )
{
  QgsCadUtils::AlignMapPointContext context;
  context.snappingUtils = mMapCanvas->snappingUtils();
  context.mapUnitsPerPixel = mMapCanvas->mapUnitsPerPixel();
  context.xConstraint = _constraint( mXConstraint.get() );
  context.yConstraint = _constraint( mYConstraint.get() );
  context.zConstraint = _constraint( mZConstraint.get() );
  context.mConstraint = _constraint( mMConstraint.get() );
  context.distanceConstraint = _constraint( mDistanceConstraint.get() );
  context.angleConstraint = _constraint( mAngleConstraint.get() );
  context.snappingToFeaturesOverridesCommonAngle = mSnappingPrioritizeFeatures;
 
  context.lineExtensionConstraint = _constraint( mLineExtensionConstraint.get() );
  context.xyVertexConstraint = _constraint( mXyVertexConstraint.get() );
 
  context.setCadPoints( mCadPointList );
  context.setLockedSnapVertices( mLockedSnapVertices );
 
  if ( snapToConstructionGuides() )
  {
    context.snappingUtils->addExtraSnapLayer( mConstructionGuidesLayer.get() );
  }
 
  context.commonAngleConstraint.locked = !mMapCanvas->mapSettings().destinationCrs().isGeographic();
  context.commonAngleConstraint.relative = context.angleConstraint.relative;
  context.commonAngleConstraint.value = mCommonAngleConstraint;
 
  const QgsCadUtils::AlignMapPointOutput output = QgsCadUtils::alignMapPoint( e->originalMapPoint(), context );
 
  const bool res = output.valid;
  QgsPoint point = pointXYToPoint( output.finalMapPoint );
  mSnappedSegment.clear();
  if ( output.snapMatch.hasEdge() )
  {
    QgsPointXY edgePt0, edgePt1;
    output.snapMatch.edgePoints( edgePt0, edgePt1 );
    mSnappedSegment << edgePt0 << edgePt1;
  }
  if ( mAngleConstraint->lockMode() != CadConstraint::HardLock )
  {
    if ( output.softLockCommonAngle != -1 )
    {
      mAngleConstraint->setLockMode( CadConstraint::SoftLock );
      mAngleConstraint->setValue( output.softLockCommonAngle );
    }
    else
    {
      mAngleConstraint->setLockMode( CadConstraint::NoLock );
    }
  }
 
  mSoftLockLineExtension = output.softLockLineExtension;
  mSoftLockX = output.softLockX;
  mSoftLockY = output.softLockY;
 
  if ( output.snapMatch.isValid() )
  {
    mSnapIndicator->setMatch( output.snapMatch );
    mSnapIndicator->setVisible( true );
  }
  else
  {
    mSnapIndicator->setVisible( false );
  }
 
  /*
   * Ensure that Z and M are passed
   * It will be dropped as needed later.
   */
  point.setZ( QgsMapToolEdit::defaultZValue() );
  point.setM( QgsMapToolEdit::defaultMValue() );
 
  /*
   * Constraints are applied in 2D, they are always called when using the tool
   * but they do not take into account if when you snap on a vertex it has
   * a Z value.
   * To get the value we use the snapPoint method. However, we only apply it
   * when the snapped point corresponds to the constrained point or on an edge
   * if the topological editing is activated. Also, we don't apply it if
   * the point is not linked to a layer.
   */
  e->setMapPoint( point );
 
  mSnapMatch = context.snappingUtils->snapToMap( point, nullptr, true );
  if ( mSnapMatch.layer() )
  {
    // note ND: I'm not 100% sure if the point == mSnapMatch.point() comparison was intended be done using QgsPointXY or QgsPoint objects here!
    // I'm using QgsPointXY here to keep the behavior the same from before a duplicate QgsPointXY == operator was removed...
    if ( ( ( mSnapMatch.hasVertex() || mSnapMatch.hasLineEndpoint() ) && ( QgsPointXY( point ) == mSnapMatch.point() ) )
         || ( mSnapMatch.hasEdge() && QgsProject::instance()->topologicalEditing() ) )
    {
      e->snapPoint();
      point = mSnapMatch.interpolatedPoint( mMapCanvas->mapSettings().destinationCrs() );
    }
  }
 
  context.snappingUtils->removeExtraSnapLayer( mConstructionGuidesLayer.get() );
 
  if ( mSnapMatch.hasVertex() || mSnapMatch.hasLineEndpoint() )
  {
    toggleLockedSnapVertex( mSnapMatch, mLastSnapMatch );
    mLastSnapMatch = mSnapMatch;
  }
  else
  {
    mLastSnapMatch = QgsPointLocator::Match();
  }
 
  /*
   * And if M or Z lock button is activated get the value of the input.
   */
  if ( mLockZButton->isChecked() )
  {
    point.setZ( QLocale().toDouble( mZLineEdit->text() ) );
  }
  if ( mLockMButton->isChecked() )
  {
    point.setM( QLocale().toDouble( mMLineEdit->text() ) );
  }
 
  // update the point list
  updateCurrentPoint( point );
 
  updateUnlockedConstraintValues( point );
 
  if ( res )
  {
    emit popWarning();
  }
  else
  {
    emit pushWarning( tr( "Some constraints are incompatible. Resulting point might be incorrect." ) );
  }
 
  return res;
}
 
 
void QgsAdvancedDigitizingDockWidget::updateUnlockedConstraintValues( const QgsPoint &point )
{
  bool previousPointExist, penulPointExist;
  const QgsPoint previousPt = previousPointV2( &previousPointExist );
  const QgsPoint penultimatePt = penultimatePointV2( &penulPointExist );
 
  // --- angle
  if ( !mAngleConstraint->isLocked() && previousPointExist )
  {
    double prevAngle = 0.0;
 
    if ( penulPointExist && mAngleConstraint->relative() )
    {
      // previous angle
      prevAngle = std::atan2( previousPt.y() - penultimatePt.y(),
                              previousPt.x() - penultimatePt.x() )  * 180 / M_PI;
    }
 
    const double xAngle { std::atan2( point.y() - previousPt.y(),
                                      point.x() - previousPt.x() ) * 180 / M_PI };
 
    // Modulus
    const double angle = std::fmod( xAngle - prevAngle, 360.0 );
    mAngleConstraint->setValue( angle );
 
    // Bearing (azimuth)
    double bearing { std::fmod( xAngle, 360.0 ) };
    bearing = bearing <= 90.0 ? 90.0 - bearing : ( bearing > 90 ? 270.0 + 180.0 - bearing : 270.0 - bearing );
    const QgsNumericFormatContext context;
    const QString bearingText { QgsProject::instance()->displaySettings()->bearingFormat()->formatDouble( bearing, context ) };
    emit valueBearingChanged( bearingText );
 
  }
  // --- distance
  if ( !mDistanceConstraint->isLocked() && previousPointExist )
  {
    mDistanceConstraint->setValue( std::sqrt( previousPt.distanceSquared( point ) ) );
  }
  // --- X
  if ( !mXConstraint->isLocked() )
  {
    if ( previousPointExist && mXConstraint->relative() )
    {
      mXConstraint->setValue( point.x() - previousPt.x() );
    }
    else
    {
      mXConstraint->setValue( point.x() );
    }
  }
  // --- Y
  if ( !mYConstraint->isLocked() )
  {
    if ( previousPointExist && mYConstraint->relative() )
    {
      mYConstraint->setValue( point.y() - previousPt.y() );
    }
    else
    {
      mYConstraint->setValue( point.y() );
    }
  }
  // --- Z
  if ( !mZConstraint->isLocked() )
  {
    if ( previousPointExist && mZConstraint->relative() )
    {
      mZConstraint->setValue( point.z() - previousPt.z() );
    }
    else
    {
      mZConstraint->setValue( point.z() );
    }
  }
  // --- M
  if ( !mMConstraint->isLocked() )
  {
    if ( previousPointExist && mMConstraint->relative() )
    {
      mMConstraint->setValue( point.m() - previousPt.m() );
    }
    else
    {
      mMConstraint->setValue( point.m() );
    }
  }
}
 
 
QList<QgsPointXY> QgsAdvancedDigitizingDockWidget::snapSegmentToAllLayers( const QgsPointXY &originalMapPoint, bool *snapped ) const
{
  QList<QgsPointXY> segment;
  QgsPointXY pt1, pt2;
  QgsPointLocator::Match match;
 
  QgsSnappingUtils *snappingUtils = mMapCanvas->snappingUtils();
 
  const QgsSnappingConfig canvasConfig = snappingUtils->config();
  QgsSnappingConfig localConfig = snappingUtils->config();
 
  localConfig.setMode( Qgis::SnappingMode::AllLayers );
  localConfig.setTypeFlag( Qgis::SnappingType::Segment );
  snappingUtils->setConfig( localConfig );
 
  match = snappingUtils->snapToMap( originalMapPoint, nullptr, true );
 
  snappingUtils->setConfig( canvasConfig );
 
  if ( match.isValid() && match.hasEdge() )
  {
    match.edgePoints( pt1, pt2 );
    segment << pt1 << pt2;
  }
 
  if ( snapped )
  {
    *snapped = segment.count() == 2;
  }
 
  return segment;
}
 
void QgsAdvancedDigitizingDockWidget::processCanvasPressEvent( QgsMapMouseEvent *event )
{
  if ( mCurrentTool )
  {
    mCurrentTool->canvasPressEvent( event );
  }
 
  if ( constructionMode() )
  {
    event->setAccepted( false );
  }
}
 
void QgsAdvancedDigitizingDockWidget::processCanvasMoveEvent( QgsMapMouseEvent *event )
{
  // perpendicular/parallel constraint
  // do a soft lock when snapping to a segment
  alignToSegment( event, QgsAdvancedDigitizingDockWidget::CadConstraint::SoftLock );
 
  if ( mCurrentTool )
  {
    mCurrentTool->canvasMoveEvent( event );
  }
 
  updateCadPaintItem();
}
 
void QgsAdvancedDigitizingDockWidget::processCanvasReleaseEvent( QgsMapMouseEvent *event )
{
  if ( event->button() == Qt::RightButton )
  {
    if ( mCurrentTool )
    {
      mCurrentTool->canvasReleaseEvent( event );
      if ( !event->isAccepted() )
      {
        return;
      }
    }
    clear();
  }
  else
  {
    applyConstraints( event ); // updates event's map point
    if ( alignToSegment( event ) )
    {
      event->setAccepted( false );
      return;
    }
 
    if ( mCurrentTool )
    {
      mCurrentTool->canvasReleaseEvent( event );
      if ( !event->isAccepted() )
      {
        return;
      }
      else
      {
        // update the point list
        QgsPoint point( event->mapPoint() );
        point.setZ( QgsMapToolEdit::defaultZValue() );
        point.setM( QgsMapToolEdit::defaultMValue() );
 
        if ( mLockZButton->isChecked() )
        {
          point.setZ( QLocale().toDouble( mZLineEdit->text() ) );
        }
        if ( mLockMButton->isChecked() )
        {
          point.setM( QLocale().toDouble( mMLineEdit->text() ) );
        }
        updateCurrentPoint( point );
      }
    }
 
    addPoint( event->mapPoint() );
    releaseLocks( false );
 
    if ( constructionMode() )
    {
      event->setAccepted( false );
    }
  }
}
 
bool QgsAdvancedDigitizingDockWidget::alignToSegment( QgsMapMouseEvent *e, CadConstraint::LockMode lockMode )
{
  if ( mBetweenLineConstraint == Qgis::BetweenLineConstraint::NoConstraint )
  {
    return false;
  }
 
  bool previousPointExist, penulPointExist, snappedSegmentExist;
  const QgsPoint previousPt = previousPointV2( &previousPointExist );
  const QgsPoint penultimatePt = penultimatePointV2( &penulPointExist );
  mSnappedSegment = snapSegmentToAllLayers( e->originalMapPoint(), &snappedSegmentExist );
 
  if ( !previousPointExist || !snappedSegmentExist )
  {
    return false;
  }
 
  double angle = std::atan2( mSnappedSegment[0].y() - mSnappedSegment[1].y(), mSnappedSegment[0].x() - mSnappedSegment[1].x() );
 
  if ( mAngleConstraint->relative() && penulPointExist )
  {
    angle -= std::atan2( previousPt.y() - penultimatePt.y(), previousPt.x() - penultimatePt.x() );
  }
 
  if ( mBetweenLineConstraint == Qgis::BetweenLineConstraint::Perpendicular )
  {
    angle += M_PI_2;
  }
 
  angle *= 180 / M_PI;
 
  mAngleConstraint->setValue( angle );
  mAngleConstraint->setLockMode( lockMode );
  if ( lockMode == CadConstraint::HardLock )
  {
    mBetweenLineConstraint = Qgis::BetweenLineConstraint::NoConstraint;
  }
 
  return true;
}
 
bool QgsAdvancedDigitizingDockWidget::canvasKeyPressEventFilter( QKeyEvent *e )
{
  // event on map tool
 
  if ( !mCadEnabled )
    return false;
 
  switch ( e->key() )
  {
    case Qt::Key_Backspace:
    case Qt::Key_Delete:
    {
      removePreviousPoint();
      releaseLocks( false );
      break;
    }
    case Qt::Key_Escape:
    {
      releaseLocks();
      break;
    }
    default:
    {
      keyPressEvent( e );
      break;
    }
  }
  // for map tools, continues with key press in any case
  return false;
}
 
void QgsAdvancedDigitizingDockWidget::clear()
{
  if ( mCurrentTool )
  {
    mCurrentTool->deleteLater();
  }
 
  if ( !mConstructionGuideLine.isEmpty() )
  {
    mConstructionGuideLine.clear();
  }
 
  clearPoints();
  releaseLocks();
}
 
void QgsAdvancedDigitizingDockWidget::keyPressEvent( QKeyEvent *e )
{
  // event on dock (this)
 
  if ( !mCadEnabled )
    return;
 
  switch ( e->key() )
  {
    case Qt::Key_Backspace:
    case Qt::Key_Delete:
    {
      removePreviousPoint();
      releaseLocks( false );
      break;
    }
    case Qt::Key_Escape:
    {
      releaseLocks();
 
      if ( mConstructionGuideLine.numPoints() >= 2 )
      {
        mConstructionGuidesLayer->dataProvider()->deleteFeatures( QgsFeatureIds() << mConstructionGuideId );
        mConstructionGuideLine.clear();
      }
 
      if ( mCurrentTool )
      {
        mCurrentTool->deleteLater();
      }
 
      break;
    }
    default:
    {
      filterKeyPress( e );
      break;
    }
  }
}
 
void QgsAdvancedDigitizingDockWidget::setPoints( const QList<QgsPointXY> &points )
{
  clearPoints();
  const auto constPoints = points;
  for ( const QgsPointXY &pt : constPoints )
  {
    addPoint( pt );
  }
}
 
void QgsAdvancedDigitizingDockWidget::toggleConstraintDistance()
{
  mDistanceConstraint->toggleLocked();
  emit lockDistanceChanged( mDistanceConstraint->isLocked() );
  emit pointChangedV2( mCadPointList.value( 0 ) );
}
 
bool QgsAdvancedDigitizingDockWidget::eventFilter( QObject *obj, QEvent *event )
{
  if ( !cadEnabled() )
  {
    return QgsDockWidget::eventFilter( obj, event );
  }
 
  // event for line edits and map canvas
  // we have to catch both KeyPress events and ShortcutOverride events. This is because
  // the Ctrl+D and Ctrl+A shortcuts for locking distance/angle clash with the global
  // "remove layer" and "select all" shortcuts. Catching ShortcutOverride events allows
  // us to intercept these keystrokes before they are caught by the global shortcuts
  if ( event->type() == QEvent::ShortcutOverride || event->type() == QEvent::KeyPress )
  {
    if ( QKeyEvent *keyEvent = dynamic_cast<QKeyEvent *>( event ) )
    {
      return filterKeyPress( keyEvent );
    }
  }
  return QgsDockWidget::eventFilter( obj, event );
}
 
bool QgsAdvancedDigitizingDockWidget::filterKeyPress( QKeyEvent *e )
{
  // we need to be careful here -- because this method is called on both KeyPress events AND
  // ShortcutOverride events, we have to take care that we don't trigger the handling for BOTH
  // these event types for a single key press. I.e. pressing "A" may first call trigger a
  // ShortcutOverride event (sometimes, not always!) followed immediately by a KeyPress event.
  const QEvent::Type type = e->type();
  switch ( e->key() )
  {
    case Qt::Key_Escape:
    {
      if ( type == QEvent::KeyPress && mCurrentTool )
      {
        mCurrentTool->deleteLater();
      }
      else if ( type == QEvent::KeyPress && mConstructionMode && mConstructionGuideLine.numPoints() >= 2 )
      {
        mConstructionGuidesLayer->dataProvider()->deleteFeatures( QgsFeatureIds() << mConstructionGuideId );
        mConstructionGuideLine.clear();
 
        if ( mCadPointList.size() > 1 )
        {
          mConstructionGuideLine.addVertex( mCadPointList.at( 1 ) );
        }
 
        updateCadPaintItem();
        e->accept();
      }
      else
      {
        e->ignore();
      }
      break;
    }
    case Qt::Key_X:
    {
      // modifier+x ONLY caught for ShortcutOverride events...
      if ( type == QEvent::ShortcutOverride && ( e->modifiers() == Qt::AltModifier || e->modifiers() == Qt::ControlModifier ) )
      {
        mXConstraint->toggleLocked();
        emit lockXChanged( mXConstraint->isLocked() );
        emit pointChangedV2( mCadPointList.value( 0 ) );
        e->accept();
      }
      else if ( type == QEvent::ShortcutOverride && e->modifiers() == Qt::ShiftModifier )
      {
        if ( mCapacities.testFlag( RelativeCoordinates ) )
        {
          mXConstraint->toggleRelative();
          emit relativeXChanged( mXConstraint->relative() );
          emit pointChangedV2( mCadPointList.value( 0 ) );
          e->accept();
        }
      }
      // .. but "X" alone ONLY caught for KeyPress events (see comment at start of function)
      else if ( type == QEvent::KeyPress )
      {
        mXLineEdit->setFocus();
        mXLineEdit->selectAll();
        emit focusOnXRequested();
        e->accept();
      }
      break;
    }
    case Qt::Key_Y:
    {
      // modifier+y ONLY caught for ShortcutOverride events...
      if ( type == QEvent::ShortcutOverride && ( e->modifiers() == Qt::AltModifier || e->modifiers() == Qt::ControlModifier ) )
      {
        mYConstraint->toggleLocked();
        emit lockYChanged( mYConstraint->isLocked() );
        emit pointChangedV2( mCadPointList.value( 0 ) );
        e->accept();
      }
      else if ( type == QEvent::ShortcutOverride &&  e->modifiers() == Qt::ShiftModifier )
      {
        if ( mCapacities.testFlag( RelativeCoordinates ) )
        {
          mYConstraint->toggleRelative();
          emit relativeYChanged( mYConstraint->relative() );
          emit pointChangedV2( mCadPointList.value( 0 ) );
          e->accept();
        }
      }
      // .. but "y" alone ONLY caught for KeyPress events (see comment at start of function)
      else if ( type == QEvent::KeyPress )
      {
        mYLineEdit->setFocus();
        mYLineEdit->selectAll();
        emit focusOnYRequested();
        e->accept();
      }
      break;
    }
    case Qt::Key_Z:
    {
      // modifier+z ONLY caught for ShortcutOverride events...
      if ( type == QEvent::ShortcutOverride && e->modifiers() == Qt::AltModifier )
      {
        mZConstraint->toggleLocked();
        emit lockZChanged( mZConstraint->isLocked() );
        emit pointChangedV2( mCadPointList.value( 0 ) );
        e->accept();
      }
      else if ( type == QEvent::ShortcutOverride &&  e->modifiers() == Qt::ShiftModifier )
      {
        if ( mCapacities.testFlag( RelativeCoordinates ) )
        {
          mZConstraint->toggleRelative();
          emit relativeZChanged( mZConstraint->relative() );
          emit pointChangedV2( mCadPointList.value( 0 ) );
          e->accept();
        }
      }
      // .. but "z" alone ONLY caught for KeyPress events (see comment at start of function)
      else if ( type == QEvent::KeyPress )
      {
        mZLineEdit->setFocus();
        mZLineEdit->selectAll();
        emit focusOnZRequested();
        e->accept();
      }
      break;
    }
    case Qt::Key_M:
    {
      // modifier+m ONLY caught for ShortcutOverride events...
      if ( type == QEvent::ShortcutOverride && ( e->modifiers() == Qt::AltModifier || e->modifiers() == Qt::ControlModifier ) )
      {
        mMConstraint->toggleLocked();
        emit lockMChanged( mMConstraint->isLocked() );
        emit pointChangedV2( mCadPointList.value( 0 ) );
        e->accept();
      }
      else if ( type == QEvent::ShortcutOverride &&  e->modifiers() == Qt::ShiftModifier )
      {
        if ( mCapacities.testFlag( RelativeCoordinates ) )
        {
          mMConstraint->toggleRelative();
          emit relativeMChanged( mMConstraint->relative() );
          emit pointChangedV2( mCadPointList.value( 0 ) );
          e->accept();
        }
      }
      // .. but "m" alone ONLY caught for KeyPress events (see comment at start of function)
      else if ( type == QEvent::KeyPress )
      {
        mMLineEdit->setFocus();
        mMLineEdit->selectAll();
        emit focusOnMRequested();
        e->accept();
      }
      break;
    }
    case Qt::Key_A:
    {
      // modifier+a ONLY caught for ShortcutOverride events...
      if ( type == QEvent::ShortcutOverride && ( e->modifiers() == Qt::AltModifier || e->modifiers() == Qt::ControlModifier ) )
      {
        if ( mCapacities.testFlag( AbsoluteAngle ) )
        {
          mAngleConstraint->toggleLocked();
          emit lockAngleChanged( mAngleConstraint->isLocked() );
          emit pointChangedV2( mCadPointList.value( 0 ) );
          e->accept();
        }
      }
      else if ( type == QEvent::ShortcutOverride && e->modifiers() == Qt::ShiftModifier )
      {
        if ( mCapacities.testFlag( RelativeAngle ) )
        {
          mAngleConstraint->toggleRelative();
          emit relativeAngleChanged( mAngleConstraint->relative() );
          emit pointChangedV2( mCadPointList.value( 0 ) );
          e->accept();
        }
      }
      // .. but "a" alone ONLY caught for KeyPress events (see comment at start of function)
      else if ( type == QEvent::KeyPress )
      {
        mAngleLineEdit->setFocus();
        mAngleLineEdit->selectAll();
        emit focusOnAngleRequested();
        e->accept();
      }
      break;
    }
    case Qt::Key_D:
    {
      // modifier+d ONLY caught for ShortcutOverride events...
      if ( type == QEvent::ShortcutOverride && ( e->modifiers() == Qt::AltModifier || e->modifiers() == Qt::ControlModifier ) )
      {
        if ( mCapacities.testFlag( RelativeCoordinates ) && mCapacities.testFlag( Distance ) )
        {
          toggleConstraintDistance();
          e->accept();
        }
      }
      // .. but "d" alone ONLY caught for KeyPress events (see comment at start of function)
      else if ( type == QEvent::KeyPress )
      {
        mDistanceLineEdit->setFocus();
        mDistanceLineEdit->selectAll();
        emit focusOnDistanceRequested();
        e->accept();
      }
      break;
    }
    case Qt::Key_C:
    {
      if ( type == QEvent::KeyPress )
      {
        setConstructionMode( !mConstructionMode );
        e->accept();
      }
      break;
    }
    case Qt::Key_P:
    {
      if ( type == QEvent::KeyPress )
      {
        const bool parallel = mParallelAction->isChecked();
        const bool perpendicular = mPerpendicularAction->isChecked();
 
        if ( !parallel && !perpendicular )
        {
          lockBetweenLineConstraint( Qgis::BetweenLineConstraint::Perpendicular );
        }
        else if ( perpendicular )
        {
          lockBetweenLineConstraint( Qgis::BetweenLineConstraint::Parallel );
        }
        else
        {
          lockBetweenLineConstraint( Qgis::BetweenLineConstraint::NoConstraint );
        }
        e->accept();
 
        // run a fake map mouse event to update the paint item
        emit pointChangedV2( mCadPointList.value( 0 ) );
      }
      break;
    }
    case Qt::Key_N:
    {
      if ( type == QEvent::ShortcutOverride )
      {
        const QList<double> constActionKeys { mCommonAngleActions.keys() };
        const int currentAngleActionIndex { static_cast<int>( constActionKeys .indexOf( mCommonAngleConstraint ) ) };
        const QList<QAction *> constActions { mCommonAngleActions.values( ) };
        QAction *nextAngleAction;
        if ( e->modifiers() == Qt::ShiftModifier )
        {
          nextAngleAction = currentAngleActionIndex == 0 ? constActions.last() : constActions.at( currentAngleActionIndex - 1 );
        }
        else
        {
          nextAngleAction = currentAngleActionIndex == constActions.count() - 1 ? constActions.first() : constActions.at( currentAngleActionIndex + 1 );
        }
        nextAngleAction->trigger();
        e->accept();
      }
      break;
    }
    default:
    {
      return false; // continues
    }
  }
  return e->isAccepted();
}
 
void QgsAdvancedDigitizingDockWidget::enable()
{
  // most of theses lines can be moved to updateCapacity
  connect( mMapCanvas, &QgsMapCanvas::destinationCrsChanged, this, &QgsAdvancedDigitizingDockWidget::enable, Qt::UniqueConnection );
  if ( mMapCanvas->mapSettings().destinationCrs().isGeographic() )
  {
    mAngleLineEdit->setToolTip( tr( "Angle constraint cannot be used on geographic coordinates. Change the coordinates system in the project properties." ) );
    mDistanceLineEdit->setToolTip( tr( "Distance constraint cannot be used on geographic coordinates. Change the coordinates system in the project properties." ) );
 
    mLabelX->setText( tr( "Long" ) );
    mLabelY->setText( tr( "Lat" ) );
 
    mXConstraint->setPrecision( 8 );
    mYConstraint->setPrecision( 8 );
  }
  else
  {
    mAngleLineEdit->setToolTip( "<b>" + tr( "Angle" ) + "</b><br>(" + tr( "press a for quick access" ) + ")" );
    mAngleLineEdit->setToolTip( QString() );
 
    mDistanceLineEdit->setToolTip( "<b>" + tr( "Distance" ) + "</b><br>(" + tr( "press d for quick access" ) + ")" );
 
    mLabelX->setText( tr( "x" ) );
    mLabelY->setText( tr( "y" ) );
 
    mXConstraint->setPrecision( 6 );
    mYConstraint->setPrecision( 6 );
  }
 
  updateCapacity();
 
  mEnableAction->setEnabled( true );
  mErrorLabel->hide();
  mCadWidget->show();
 
  mCurrentMapToolSupportsCad = true;
 
  if ( mSessionActive && !isVisible() )
  {
    show();
  }
 
  setCadEnabled( mSessionActive );
 
  if ( !mConstructionGuidesLayer )
  {
    resetConstructionGuides();
  }
 
  if ( mDeferredUpdateConstructionGuidesCrs )
  {
    updateConstructionGuidesCrs();
  }
 
  updateCadPaintItem();
}
 
void QgsAdvancedDigitizingDockWidget::disable()
{
  disconnect( mMapCanvas, &QgsMapCanvas::destinationCrsChanged, this, &QgsAdvancedDigitizingDockWidget::enable );
 
  mEnableAction->setEnabled( false );
  mErrorLabel->setText( tr( "Advanced digitizing tools are not enabled for the current map tool" ) );
  mErrorLabel->show();
  mCadWidget->hide();
 
  mCurrentMapToolSupportsCad = false;
 
  mSnapIndicator->setVisible( false );
 
  setCadEnabled( false );
}
 
void QgsAdvancedDigitizingDockWidget::updateCadPaintItem()
{
  mCadPaintItem->update();
}
 
void QgsAdvancedDigitizingDockWidget::clearLockedSnapVertices( bool force )
{
  if ( !force && ( mLineExtensionConstraint->isLocked() || mXyVertexConstraint->isLocked() ) )
  {
    return;
  }
 
  mLockedSnapVertices.clear();
}
 
void QgsAdvancedDigitizingDockWidget::addPoint( const QgsPointXY &point )
{
  QgsPoint pt = pointXYToPoint( point );
  if ( !pointsCount() )
  {
    mCadPointList << pt;
  }
  else
  {
    mCadPointList.insert( 0, pt );
  }
 
  if ( recordConstructionGuides() )
  {
    if ( constructionMode() )
    {
      mConstructionGuideLine.addVertex( pt );
 
      if ( mConstructionGuideLine.numPoints() == 2 )
      {
        QgsFeature feature;
        QgsGeometry geom( mConstructionGuideLine.clone() );
        feature.setGeometry( geom );
        mConstructionGuidesLayer->dataProvider()->addFeature( feature );
        mConstructionGuideId = feature.id();
      }
      else if ( mConstructionGuideLine.numPoints() > 2 )
      {
        QgsGeometry geom( mConstructionGuideLine.clone() );
        mConstructionGuidesLayer->dataProvider()->changeGeometryValues( { { mConstructionGuideId, geom } } );
      }
    }
    else
    {
      if ( !mConstructionGuideLine.isEmpty() )
      {
        mConstructionGuideLine.addVertex( pt );
 
        QgsGeometry geom( mConstructionGuideLine.clone() );
        mConstructionGuidesLayer->dataProvider()->changeGeometryValues( { { mConstructionGuideId, geom } } );
        mConstructionGuideLine.clear();
      }
    }
  }
 
  updateCapacity();
  updateCadPaintItem();
}
 
void QgsAdvancedDigitizingDockWidget::removePreviousPoint()
{
  if ( !pointsCount() )
    return;
 
  const int i = pointsCount() > 1 ? 1 : 0;
  mCadPointList.removeAt( i );
  updateCapacity();
  updateCadPaintItem();
}
 
void QgsAdvancedDigitizingDockWidget::clearPoints()
{
  mCadPointList.clear();
  mSnappedSegment.clear();
 
  updateCapacity();
  updateCadPaintItem();
}
 
void QgsAdvancedDigitizingDockWidget::updateCurrentPoint( const QgsPoint &point )
{
  if ( !pointsCount() )
  {
    mCadPointList << point;
    updateCapacity();
  }
  else
  {
    mCadPointList[0] = point;
  }
  updateCadPaintItem();
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setLockMode( LockMode mode )
{
  if ( mode == mLockMode )
  {
    return;
  }
  mLockMode = mode;
  mLockerButton->setChecked( mode == HardLock );
  if ( mRepeatingLockButton )
  {
    if ( mode == HardLock )
    {
      mRepeatingLockButton->setEnabled( true );
    }
    else
    {
      mRepeatingLockButton->setChecked( false );
      mRepeatingLockButton->setEnabled( false );
    }
  }
 
  if ( mode == NoLock )
  {
    mLineEdit->clear();
  }
 
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setRepeatingLock( bool repeating )
{
  mRepeatingLock = repeating;
  if ( mRepeatingLockButton )
    mRepeatingLockButton->setChecked( repeating );
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setRelative( bool relative )
{
  mRelative = relative;
  if ( mRelativeButton )
  {
    mRelativeButton->setChecked( relative );
  }
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setValue( double value, bool updateWidget )
{
  mValue = value;
  if ( updateWidget && mLineEdit->isEnabled() )
    mLineEdit->setText( displayValue() );
}
 
QString QgsAdvancedDigitizingDockWidget::CadConstraint::displayValue() const
{
  switch ( mCadConstraintType )
  {
    case Qgis::CadConstraintType::Angle:
    {
      return QLocale().toString( mValue, 'f', mPrecision ).append( tr( " °" ) );
    }
    case Qgis::CadConstraintType::XCoordinate:
    case Qgis::CadConstraintType::YCoordinate:
    {
      if ( mMapCanvas->mapSettings().destinationCrs().isGeographic() )
      {
        return QLocale().toString( mValue, 'f', mPrecision ).append( tr( " °" ) );
      }
      else
      {
        return QLocale().toString( mValue, 'f', mPrecision );
      }
    }
    case Qgis::CadConstraintType::Distance:
    {
      const Qgis::DistanceUnit displayUnits { QgsProject::instance()->distanceUnits() };
      // Convert from canvas units
      const Qgis::DistanceUnit canvasUnits { mMapCanvas->mapSettings().mapUnits() };
      const double value { QgsUnitTypes::fromUnitToUnitFactor( canvasUnits, displayUnits ) *mValue };
      return QgsDistanceArea::formatDistance( value, mPrecision, displayUnits, true );
    }
    case Qgis::CadConstraintType::Generic:
    case Qgis::CadConstraintType::ZValue:
    case Qgis::CadConstraintType::MValue:
    default:
      break;
  }
  return QLocale().toString( mValue, 'f', mPrecision );
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::toggleLocked()
{
  setLockMode( mLockMode == HardLock ? NoLock : HardLock );
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::toggleRelative()
{
  setRelative( !mRelative );
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setPrecision( int precision )
{
  mPrecision = precision;
  if ( mLineEdit->isEnabled() )
    mLineEdit->setText( displayValue() );
}
 
Qgis::CadConstraintType QgsAdvancedDigitizingDockWidget::CadConstraint::cadConstraintType() const
{
  return mCadConstraintType;
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setCadConstraintType( Qgis::CadConstraintType constraintType )
{
  mCadConstraintType = constraintType;
}
 
void QgsAdvancedDigitizingDockWidget::CadConstraint::setMapCanvas( QgsMapCanvas *mapCanvas )
{
  mMapCanvas = mapCanvas;
}
 
QString QgsAdvancedDigitizingDockWidget::CadConstraint::removeSuffix( const QString &text, Qgis::CadConstraintType constraintType )
{
  QString value { text.trimmed() };
  switch ( constraintType )
  {
    case Qgis::CadConstraintType::Distance:
    {
      // Remove distance unit suffix
      const QString distanceUnit { QgsUnitTypes::toAbbreviatedString( QgsProject::instance()->distanceUnits() ) };
      if ( value.endsWith( distanceUnit ) )
      {
        value.chop( distanceUnit.length() );
      }
      break;
    }
    case Qgis::CadConstraintType::Angle:
    {
      // Remove angle suffix
      const QString angleUnit { tr( "°" ) };
      if ( value.endsWith( angleUnit ) )
      {
        value.chop( angleUnit.length() );
      }
      break;
    }
    default:
      break;
  }
  return value.trimmed();
}
 
QgsPoint QgsAdvancedDigitizingDockWidget::currentPointV2( bool *exist ) const
{
  if ( exist )
    *exist = pointsCount() > 0;
  if ( pointsCount() > 0 )
    return mCadPointList.value( 0 );
  else
    return QgsPoint();
}
 
QgsPoint QgsAdvancedDigitizingDockWidget::currentPointLayerCoordinates( QgsMapLayer *layer ) const
{
  if ( pointsCount() > 0 && layer )
  {
    QgsPoint res = mCadPointList.value( 0 );
    const QgsPointXY layerCoordinates = mMapCanvas->mapSettings().mapToLayerCoordinates( layer, res );
    res.setX( layerCoordinates.x() );
    res.setY( layerCoordinates.y() );
    return res;
  }
  return QgsPoint();
}
 
QgsPoint QgsAdvancedDigitizingDockWidget::previousPointV2( bool *exist ) const
{
  if ( exist )
    *exist = pointsCount() > 1;
  if ( pointsCount() > 1 )
    return mCadPointList.value( 1 );
  else
    return QgsPoint();
}
 
QgsPoint QgsAdvancedDigitizingDockWidget::penultimatePointV2( bool *exist ) const
{
  if ( exist )
    *exist = pointsCount() > 2;
  if ( pointsCount() > 2 )
    return mCadPointList.value( 2 );
  else
    return QgsPoint();
}
 
QgsPoint QgsAdvancedDigitizingDockWidget::pointXYToPoint( const QgsPointXY &point ) const
{
  return QgsPoint( point.x(), point.y(), getLineZ(), getLineM() );
}
 
double QgsAdvancedDigitizingDockWidget::getLineZ( ) const
{
  return mZLineEdit->isEnabled() ? QLocale().toDouble( mZLineEdit->text() ) : std::numeric_limits<double>::quiet_NaN();
}
 
double QgsAdvancedDigitizingDockWidget::getLineM( ) const
{
  return mMLineEdit->isEnabled() ? QLocale().toDouble( mMLineEdit->text() ) : std::numeric_limits<double>::quiet_NaN();
}
 
bool QgsAdvancedDigitizingDockWidget::showConstructionGuides() const
{
  return mShowConstructionGuides ? mShowConstructionGuides->isChecked() : false;
}
 
bool QgsAdvancedDigitizingDockWidget::snapToConstructionGuides() const
{
  return mSnapToConstructionGuides ? mShowConstructionGuides->isChecked() && mSnapToConstructionGuides->isChecked() : false;
}
 
bool QgsAdvancedDigitizingDockWidget::recordConstructionGuides() const
{
  return mRecordConstructionGuides ? mRecordConstructionGuides->isChecked() : false;
}
 
void QgsAdvancedDigitizingDockWidget::updateConstructionGuidesCrs()
{
  if ( !mConstructionGuidesLayer )
  {
    return;
  }
 
  if ( !cadEnabled() )
  {
    mDeferredUpdateConstructionGuidesCrs = true;
  }
 
  QgsCoordinateTransform transform = QgsCoordinateTransform( mConstructionGuidesLayer->crs(), mMapCanvas->mapSettings().destinationCrs(), QgsProject::instance()->transformContext() );
  mConstructionGuidesLayer->setCrs( mMapCanvas->mapSettings().destinationCrs() );
  QgsFeatureIterator it = mConstructionGuidesLayer->getFeatures( QgsFeatureRequest().setNoAttributes() );
  QgsFeature feature;
  while ( it.nextFeature( feature ) )
  {
    QgsGeometry geom = feature.geometry();
    geom.transform( transform );
    mConstructionGuidesLayer->dataProvider()->changeGeometryValues( { { feature.id(), geom } } );
  }
 
  mDeferredUpdateConstructionGuidesCrs = false;
}
 
void QgsAdvancedDigitizingDockWidget::resetConstructionGuides()
{
  if ( mConstructionGuidesLayer )
  {
    mConstructionGuidesLayer.reset();
  }
 
  const QgsVectorLayer::LayerOptions options( QgsProject::instance()->transformContext(), false, false );
  mConstructionGuidesLayer = std::make_unique<QgsVectorLayer>( QStringLiteral( "LineString?crs=%1" ).arg( mMapCanvas->mapSettings().destinationCrs().authid() ),
                             QStringLiteral( "constructionGuides" ),
                             QStringLiteral( "memory" ),
                             options );
}