30#include <QColorDialog>
34#include "moc_qgslayoutscalebarwidget.cpp"
38 , mScalebar( scaleBar )
42 mNumberOfSubdivisionsSpinBox->setClearValue( 1 );
44 connect( mHeightSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mHeightSpinBox_valueChanged );
45 connect( mSegmentSizeSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mSegmentSizeSpinBox_valueChanged );
46 connect( mSegmentsLeftSpinBox,
static_cast<void ( QSpinBox::* )(
int )
>( &QSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mSegmentsLeftSpinBox_valueChanged );
47 connect( mNumberOfSegmentsSpinBox,
static_cast<void ( QSpinBox::* )(
int )
>( &QSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mNumberOfSegmentsSpinBox_valueChanged );
48 connect( mNumberOfSubdivisionsSpinBox,
static_cast<void ( QSpinBox::* )(
int )
>( &QSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mNumberOfSubdivisionsSpinBox_valueChanged );
49 connect( mSubdivisionsHeightSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mSubdivisionsHeightSpinBox_valueChanged );
50 connect( mUnitLabelLineEdit, &QLineEdit::textChanged,
this, &QgsLayoutScaleBarWidget::mUnitLabelLineEdit_textChanged );
51 connect( mMapUnitsPerBarUnitSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mMapUnitsPerBarUnitSpinBox_valueChanged );
52 connect( mStyleComboBox, &QComboBox::currentTextChanged,
this, &QgsLayoutScaleBarWidget::mStyleComboBox_currentIndexChanged );
53 connect( mLabelBarSpaceSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mLabelBarSpaceSpinBox_valueChanged );
54 connect( mBoxSizeSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mBoxSizeSpinBox_valueChanged );
56 connect( mDistanceLabelPlacementComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
this, &QgsLayoutScaleBarWidget::mDistanceLabelPlacementComboBox_currentIndexChanged );
57 connect( mUnitsComboBox,
static_cast<void ( QComboBox::* )(
int )
>( &QComboBox::currentIndexChanged ),
this, &QgsLayoutScaleBarWidget::mUnitsComboBox_currentIndexChanged );
58 connect( mMinWidthSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mMinWidthSpinBox_valueChanged );
59 connect( mMaxWidthSpinBox,
static_cast<void ( QDoubleSpinBox::* )(
double )
>( &QDoubleSpinBox::valueChanged ),
this, &QgsLayoutScaleBarWidget::mMaxWidthSpinBox_valueChanged );
60 connect( mNumberFormatPushButton, &QPushButton::clicked,
this, &QgsLayoutScaleBarWidget::changeNumberFormat );
67 disconnectUpdateSignal();
68 mScalebar->beginCommand( tr(
"Set Scalebar Method" ) );
69 mScalebar->setMethod( mScaleMethodWidget->scaleMethod() );
71 connectUpdateSignal();
72 mScalebar->endCommand();
84 mSegmentsLeftDDBtn->registerEnabledWidget( mSegmentsLeftSpinBox,
false );
85 mSegmentsRightDDBtn->registerEnabledWidget( mNumberOfSegmentsSpinBox,
false );
86 mSegmentSizeDDBtn->registerEnabledWidget( mSegmentSizeSpinBox,
false );
87 mMinWidthDDBtn->registerEnabledWidget( mMinWidthSpinBox,
false );
88 mMaxWidthDDBtn->registerEnabledWidget( mMaxWidthSpinBox,
false );
92 mFontButton->registerExpressionContextGenerator(
this );
94 connectUpdateSignal();
98 mainLayout->addWidget( mItemPropertiesWidget );
100 mSegmentSizeRadioGroup.addButton( mFixedSizeRadio );
101 mSegmentSizeRadioGroup.addButton( mFitWidthRadio );
102 connect( &mSegmentSizeRadioGroup,
static_cast<void ( QButtonGroup::* )( QAbstractButton * )
>( &QButtonGroup::buttonClicked ),
this, &QgsLayoutScaleBarWidget::segmentSizeRadioChanged );
104 blockMemberSignals(
true );
108 for (
const QString &renderer : renderers )
114 mDistanceLabelPlacementComboBox->addItem( tr(
"Above Segment Edges" ),
static_cast<int>( DistanceLabelPlacement::CenteredAboveSegmentEdges ) );
115 mDistanceLabelPlacementComboBox->addItem( tr(
"Above Segment Centers" ),
static_cast<int>( DistanceLabelPlacement::CenteredAboveSegmentCenters ) );
116 mDistanceLabelPlacementComboBox->addItem( tr(
"Below Segment Edges" ),
static_cast<int>( DistanceLabelPlacement::CenteredBelowSegmentEdges ) );
117 mDistanceLabelPlacementComboBox->addItem( tr(
"Below Segment Centers" ),
static_cast<int>( DistanceLabelPlacement::CenteredBelowSegmentCenters ) );
120 mAlignmentComboBox->setAvailableAlignments( Qt::AlignLeft | Qt::AlignHCenter | Qt::AlignRight );
142 connect( mSubdivisionStyleButton, &
QgsSymbolButton::changed,
this, &QgsLayoutScaleBarWidget::subdivisionSymbolChanged );
150 mFontButton->setDialogTitle( tr(
"Scalebar Font" ) );
155 QgsLayout *scaleBarLayout = mScalebar->layout();
156 if ( scaleBarLayout )
158 mMapItemComboBox->setCurrentLayout( scaleBarLayout );
165 blockMemberSignals(
false );
168 mLineStyleButton->registerExpressionContextGenerator( mScalebar );
170 mDivisionStyleButton->registerExpressionContextGenerator( mScalebar );
172 mSubdivisionStyleButton->registerExpressionContextGenerator( mScalebar );
174 mFillSymbol1Button->registerExpressionContextGenerator( mScalebar );
176 mFillSymbol2Button->registerExpressionContextGenerator( mScalebar );
181 if ( mScalebar->layout() )
194 if ( mItemPropertiesWidget )
195 mItemPropertiesWidget->setMasterLayout( masterLayout );
213 disconnectUpdateSignal();
215 mScalebar = qobject_cast<QgsLayoutItemScaleBar *>( item );
216 mItemPropertiesWidget->setItem( mScalebar );
220 connectUpdateSignal();
221 mFillSymbol1Button->registerExpressionContextGenerator( mScalebar );
222 mFillSymbol2Button->registerExpressionContextGenerator( mScalebar );
223 mLineStyleButton->registerExpressionContextGenerator( mScalebar );
224 mDivisionStyleButton->registerExpressionContextGenerator( mScalebar );
225 mSubdivisionStyleButton->registerExpressionContextGenerator( mScalebar );
233void QgsLayoutScaleBarWidget::lineSymbolChanged()
239 mScalebar->setLineSymbol( mLineStyleButton->clonedSymbol<
QgsLineSymbol>() );
241 mScalebar->layout()->undoStack()->endCommand();
244void QgsLayoutScaleBarWidget::divisionSymbolChanged()
250 mScalebar->setDivisionLineSymbol( mDivisionStyleButton->clonedSymbol<QgsLineSymbol>() );
252 mScalebar->layout()->undoStack()->endCommand();
255void QgsLayoutScaleBarWidget::subdivisionSymbolChanged()
261 mScalebar->setSubdivisionLineSymbol( mSubdivisionStyleButton->clonedSymbol<QgsLineSymbol>() );
263 mScalebar->layout()->undoStack()->endCommand();
266void QgsLayoutScaleBarWidget::fillSymbol1Changed()
272 mScalebar->setFillSymbol( mFillSymbol1Button->clonedSymbol<QgsFillSymbol>() );
274 mScalebar->layout()->undoStack()->endCommand();
277void QgsLayoutScaleBarWidget::fillSymbol2Changed()
283 mScalebar->setAlternateFillSymbol( mFillSymbol2Button->clonedSymbol<QgsFillSymbol>() );
285 mScalebar->layout()->undoStack()->endCommand();
288void QgsLayoutScaleBarWidget::setGuiElements()
295 blockMemberSignals(
true );
296 mNumberOfSegmentsSpinBox->setValue( mScalebar->numberOfSegments() );
297 mSegmentsLeftSpinBox->setValue( mScalebar->numberOfSegmentsLeft() );
298 mSegmentSizeSpinBox->setValue( mScalebar->unitsPerSegment() );
299 mHeightSpinBox->setValue( mScalebar->height() );
300 mNumberOfSubdivisionsSpinBox->setValue( mScalebar->numberOfSubdivisions() );
301 mSubdivisionsHeightSpinBox->setValue( mScalebar->subdivisionsHeight() );
302 mMapUnitsPerBarUnitSpinBox->setValue( mScalebar->mapUnitsPerScaleBarUnit() );
303 mLabelBarSpaceSpinBox->setValue( mScalebar->labelBarSpace() );
304 mBoxSizeSpinBox->setValue( mScalebar->boxContentSpace() );
305 mUnitLabelLineEdit->setText( mScalebar->unitLabel() );
306 mFontButton->setTextFormat( mScalebar->textFormat() );
308 whileBlocking( mLineStyleButton )->setSymbol( mScalebar->lineSymbol()->clone() );
309 whileBlocking( mDivisionStyleButton )->setSymbol( mScalebar->divisionLineSymbol()->clone() );
310 whileBlocking( mSubdivisionStyleButton )->setSymbol( mScalebar->subdivisionLineSymbol()->clone() );
311 whileBlocking( mFillSymbol1Button )->setSymbol( mScalebar->fillSymbol()->clone() );
312 whileBlocking( mFillSymbol2Button )->setSymbol( mScalebar->alternateFillSymbol()->clone() );
315 mMapItemComboBox->setItem( mScalebar->linkedMap() );
318 const QString style = mScalebar->style();
319 mStyleComboBox->setCurrentIndex( mStyleComboBox->findData( style ) );
320 toggleStyleSpecificControls( style );
323 mDistanceLabelPlacementComboBox->setCurrentIndex( mDistanceLabelPlacementComboBox->findData(
static_cast<int>(
324 distanceLabelPlacement( mScalebar->labelHorizontalPlacement(), mScalebar->labelVerticalPlacement() )
329 Qt::Alignment a = Qt::AlignLeft;
330 switch ( mScalebar->alignment() )
339 a = Qt::AlignHCenter;
342 mAlignmentComboBox->setCurrentAlignment( a );
345 mUnitsComboBox->setCurrentIndex( mUnitsComboBox->findData(
static_cast<int>( mScalebar->units() ) ) );
347 switch ( mScalebar->segmentSizeMode() )
351 mFixedSizeRadio->setChecked(
true );
352 mSegmentSizeWidget->setEnabled(
true );
353 mMinWidthWidget->setEnabled(
false );
354 mMaxWidthWidget->setEnabled(
false );
360 mFitWidthRadio->setChecked(
true );
361 mSegmentSizeWidget->setEnabled(
false );
362 mMinWidthWidget->setEnabled(
true );
363 mMaxWidthWidget->setEnabled(
true );
367 mMinWidthSpinBox->setValue( mScalebar->minimumBarWidth() );
368 mMaxWidthSpinBox->setValue( mScalebar->maximumBarWidth() );
370 mScaleMethodWidget->setScaleMethod( mScalebar->method() );
372 populateDataDefinedButtons();
374 blockMemberSignals(
false );
379void QgsLayoutScaleBarWidget::mSegmentSizeSpinBox_valueChanged(
double d )
387 disconnectUpdateSignal();
388 mScalebar->setUnitsPerSegment( d );
390 connectUpdateSignal();
391 mScalebar->endCommand();
394void QgsLayoutScaleBarWidget::mSegmentsLeftSpinBox_valueChanged(
int i )
402 disconnectUpdateSignal();
403 mScalebar->setNumberOfSegmentsLeft( i );
405 connectUpdateSignal();
406 mScalebar->endCommand();
409void QgsLayoutScaleBarWidget::mNumberOfSegmentsSpinBox_valueChanged(
int i )
417 disconnectUpdateSignal();
418 mScalebar->setNumberOfSegments( i );
420 connectUpdateSignal();
421 mScalebar->endCommand();
424void QgsLayoutScaleBarWidget::mHeightSpinBox_valueChanged(
double d )
431 disconnectUpdateSignal();
432 mScalebar->setHeight( d );
434 connectUpdateSignal();
435 mScalebar->endCommand();
438void QgsLayoutScaleBarWidget::mNumberOfSubdivisionsSpinBox_valueChanged(
int i )
446 disconnectUpdateSignal();
447 mScalebar->setNumberOfSubdivisions( i );
449 connectUpdateSignal();
450 mScalebar->endCommand();
453void QgsLayoutScaleBarWidget::mSubdivisionsHeightSpinBox_valueChanged(
double d )
460 disconnectUpdateSignal();
461 mScalebar->setSubdivisionsHeight( d );
463 connectUpdateSignal();
464 mScalebar->endCommand();
467void QgsLayoutScaleBarWidget::textFormatChanged()
474 mScalebar->beginCommand( tr(
"Set Scalebar Font" ) );
475 disconnectUpdateSignal();
476 mScalebar->setTextFormat( mFontButton->textFormat() );
477 connectUpdateSignal();
478 mScalebar->endCommand();
482void QgsLayoutScaleBarWidget::changeNumberFormat()
489 QgsNumericFormatSelectorWidget *widget =
new QgsNumericFormatSelectorWidget(
this );
491 widget->
setFormat( mScalebar->numericFormat() );
493 mScalebar->beginCommand( tr(
"Set Scalebar Number Format" ) );
494 disconnectUpdateSignal();
495 mScalebar->setNumericFormat( widget->
format() );
496 connectUpdateSignal();
497 mScalebar->endCommand();
506 switch ( horizontalPlacement )
509 switch ( verticalPlacement )
512 return DistanceLabelPlacement::CenteredAboveSegmentEdges;
514 return DistanceLabelPlacement::CenteredBelowSegmentEdges;
519 switch ( verticalPlacement )
522 return DistanceLabelPlacement::CenteredAboveSegmentCenters;
524 return DistanceLabelPlacement::CenteredBelowSegmentCenters;
531void QgsLayoutScaleBarWidget::mUnitLabelLineEdit_textChanged(
const QString &text )
539 disconnectUpdateSignal();
540 mScalebar->setUnitLabel( text );
542 connectUpdateSignal();
543 mScalebar->endCommand();
546void QgsLayoutScaleBarWidget::mMapUnitsPerBarUnitSpinBox_valueChanged(
double d )
554 disconnectUpdateSignal();
555 mScalebar->setMapUnitsPerScaleBarUnit( d );
557 connectUpdateSignal();
558 mScalebar->endCommand();
561void QgsLayoutScaleBarWidget::mStyleComboBox_currentIndexChanged(
const QString & )
568 const QString rendererId = mStyleComboBox->currentData().toString();
569 if ( rendererId == mScalebar->style() )
572 mScalebar->beginCommand( tr(
"Set Scalebar Style" ) );
573 disconnectUpdateSignal();
575 bool defaultsApplied =
false;
578 defaultsApplied = mScalebar->applyDefaultRendererSettings( renderer.get() );
581 toggleStyleSpecificControls( rendererId );
583 mScalebar->setStyle( rendererId );
585 connectUpdateSignal();
586 mScalebar->endCommand();
588 if ( defaultsApplied )
592void QgsLayoutScaleBarWidget::toggleStyleSpecificControls(
const QString &style )
608 if ( !mGroupBoxUnits->isEnabled() )
609 mGroupBoxSegments->setCollapsed(
true );
628void QgsLayoutScaleBarWidget::mLabelBarSpaceSpinBox_valueChanged(
double d )
636 disconnectUpdateSignal();
637 mScalebar->setLabelBarSpace( d );
639 connectUpdateSignal();
640 mScalebar->endCommand();
643void QgsLayoutScaleBarWidget::mBoxSizeSpinBox_valueChanged(
double d )
651 disconnectUpdateSignal();
652 mScalebar->setBoxContentSpace( d );
654 connectUpdateSignal();
655 mScalebar->endCommand();
658void QgsLayoutScaleBarWidget::mDistanceLabelPlacementComboBox_currentIndexChanged(
int index )
665 mScalebar->beginCommand( tr(
"Set Scalebar Label Placement" ) );
666 disconnectUpdateSignal();
668 const DistanceLabelPlacement placement =
static_cast<DistanceLabelPlacement
>( mDistanceLabelPlacementComboBox->itemData( index ).toInt() );
671 case DistanceLabelPlacement::CenteredAboveSegmentEdges:
675 case DistanceLabelPlacement::CenteredAboveSegmentCenters:
679 case DistanceLabelPlacement::CenteredBelowSegmentEdges:
683 case DistanceLabelPlacement::CenteredBelowSegmentCenters:
690 connectUpdateSignal();
691 mScalebar->endCommand();
694void QgsLayoutScaleBarWidget::alignmentChanged()
701 mScalebar->beginCommand( tr(
"Set Scalebar Alignment" ) );
702 disconnectUpdateSignal();
707 mScalebar->setAlignment( a );
709 connectUpdateSignal();
710 mScalebar->endCommand();
713void QgsLayoutScaleBarWidget::mUnitsComboBox_currentIndexChanged(
int index )
720 const QVariant unitData = mUnitsComboBox->itemData( index );
721 if ( unitData.userType() == QMetaType::Type::UnknownType )
726 disconnectUpdateSignal();
727 mScalebar->beginCommand( tr(
"Set Scalebar Units" ) );
731 mNumberOfSegmentsSpinBox->setValue( mScalebar->numberOfSegments() );
732 mSegmentsLeftSpinBox->setValue( mScalebar->numberOfSegmentsLeft() );
733 mUnitLabelLineEdit->setText( mScalebar->unitLabel() );
734 mSegmentSizeSpinBox->setValue( mScalebar->unitsPerSegment() );
735 mMapUnitsPerBarUnitSpinBox->setValue( mScalebar->mapUnitsPerScaleBarUnit() );
737 connectUpdateSignal();
738 mScalebar->endCommand();
741void QgsLayoutScaleBarWidget::blockMemberSignals(
bool block )
743 mSegmentSizeSpinBox->blockSignals( block );
744 mNumberOfSegmentsSpinBox->blockSignals( block );
745 mSegmentsLeftSpinBox->blockSignals( block );
746 mNumberOfSubdivisionsSpinBox->blockSignals( block );
747 mSubdivisionsHeightSpinBox->blockSignals( block );
748 mStyleComboBox->blockSignals( block );
749 mUnitLabelLineEdit->blockSignals( block );
750 mMapUnitsPerBarUnitSpinBox->blockSignals( block );
751 mHeightSpinBox->blockSignals( block );
752 mLineStyleButton->blockSignals( block );
753 mDivisionStyleButton->blockSignals( block );
754 mSubdivisionStyleButton->blockSignals( block );
755 mLabelBarSpaceSpinBox->blockSignals( block );
756 mBoxSizeSpinBox->blockSignals( block );
757 mDistanceLabelPlacementComboBox->blockSignals( block );
758 mAlignmentComboBox->blockSignals( block );
759 mUnitsComboBox->blockSignals( block );
760 mFillSymbol1Button->blockSignals( block );
761 mFillSymbol2Button->blockSignals( block );
762 mSegmentSizeRadioGroup.blockSignals( block );
763 mMapItemComboBox->blockSignals( block );
764 mFontButton->blockSignals( block );
765 mMinWidthSpinBox->blockSignals( block );
766 mMaxWidthSpinBox->blockSignals( block );
767 mScaleMethodWidget->blockSignals( block );
770void QgsLayoutScaleBarWidget::connectUpdateSignal()
778void QgsLayoutScaleBarWidget::disconnectUpdateSignal()
786void QgsLayoutScaleBarWidget::segmentSizeRadioChanged( QAbstractButton *radio )
788 const bool fixedSizeMode = radio == mFixedSizeRadio;
789 mMinWidthWidget->setEnabled( !fixedSizeMode );
790 mMaxWidthWidget->setEnabled( !fixedSizeMode );
791 mSegmentSizeWidget->setEnabled( fixedSizeMode );
799 disconnectUpdateSignal();
800 if ( mFixedSizeRadio->isChecked() )
803 mScalebar->setUnitsPerSegment( mSegmentSizeSpinBox->value() );
810 connectUpdateSignal();
811 mScalebar->endCommand();
814void QgsLayoutScaleBarWidget::mapChanged(
QgsLayoutItem *item )
816 QgsLayoutItemMap *map = qobject_cast<QgsLayoutItemMap *>( item );
823 mScalebar->beginCommand( tr(
"Set Scalebar Map" ) );
824 disconnectUpdateSignal();
825 mScalebar->setLinkedMap( map );
827 connectUpdateSignal();
828 mScalebar->endCommand();
830 mUnitsComboBox->setItemText( mUnitsComboBox->findData(
static_cast<int>(
Qgis::DistanceUnit::Unknown ) ), linkedMapUnitsString( mScalebar ) );
833void QgsLayoutScaleBarWidget::mMinWidthSpinBox_valueChanged(
double )
841 disconnectUpdateSignal();
842 mScalebar->setMinimumBarWidth( mMinWidthSpinBox->value() );
844 connectUpdateSignal();
845 mScalebar->endCommand();
848void QgsLayoutScaleBarWidget::mMaxWidthSpinBox_valueChanged(
double )
856 disconnectUpdateSignal();
857 mScalebar->setMaximumBarWidth( mMaxWidthSpinBox->value() );
859 connectUpdateSignal();
860 mScalebar->endCommand();
863void QgsLayoutScaleBarWidget::populateDataDefinedButtons()
880 if ( QgsLayoutItemMap *map = scalebar->
linkedMap() )
889 return mapUnit.isEmpty() ? tr(
"Map Units" ) : tr(
"Map Units (%1)" ).arg( mapUnit );
ScaleBarDistanceLabelHorizontalPlacement
Scale bar distance label horizontal placement.
@ CenteredSegment
Labels are drawn centered relative to segment.
@ CenteredEdge
Labels are drawn centered relative to segment's edge.
ScaleBarDistanceLabelVerticalPlacement
Scale bar distance label vertical placement.
@ AboveSegment
Labels are drawn above the scalebar.
@ BelowSegment
Labels are drawn below the scalebar.
ScaleBarAlignment
Scalebar alignment.
DistanceUnit
Units of distance.
@ Centimeters
Centimeters.
@ Millimeters
Millimeters.
@ Miles
Terrestrial miles.
@ Unknown
Unknown distance unit.
@ NauticalMiles
Nautical miles.
@ FitWidth
Scale bar segment size is calculated to fit a size range.
@ Fixed
Scale bar segment size is fixed to a map unit.
void changed()
Emitted when the alignment is changed.
static QgsScaleBarRendererRegistry * scaleBarRendererRegistry()
Gets the registry of available scalebar renderers.
Qgis::DistanceUnit mapUnits
Single scope for storing variables and functions for use within a QgsExpressionContext.
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
void setHighlightedVariables(const QStringList &variableNames)
Sets the list of variable names within the context intended to be highlighted to the user.
void itemChanged(QgsLayoutItem *item)
Emitted whenever the currently selected item changes.
QgsCoordinateReferenceSystem crs() const
Returns coordinate reference system used for rendering the map.
@ LayoutScaleBar
Scale bar item.
A layout item subclass for scale bars.
QgsLayoutItemMap * linkedMap() const
Returns the map item linked to the scalebar.
Base class for graphical items within a QgsLayout.
@ UndoScaleBarSubdivisionsHeight
Scalebar subdivisions height.
@ UndoScaleBarLabelBarSize
Scalebar label bar size.
@ UndoScaleBarMapUnitsSegment
Scalebar map units per segment.
@ UndoScaleBarBoxContentSpace
Scalebar box context space.
@ UndoScaleBarSegmentSize
Scalebar segment size.
@ UndoScaleBarHeight
Scalebar height.
@ UndoScaleBarSegments
Scalebar number of segments.
@ UndoScaleBarSubdivisions
Scalebar number of subdivisions.
@ UndoShapeStyle
Shape symbol style.
@ UndoScaleBarSegmentsLeft
Scalebar segments left.
@ UndoScaleBarUnitText
Scalebar unit text.
int type() const override
Returns a unique graphics item type identifier.
void changed()
Emitted when the object's properties change.
@ ScalebarMinimumWidth
Scalebar segment minimum width.
@ ScalebarRightSegments
Number of segments on the right of 0.
@ ScalebarRightSegmentSubdivisions
Number of subdivisions per segment on right of 0.
@ ScalebarMaximumWidth
Scalebar segment maximum width.
@ ScalebarHeight
Scalebar height.
@ ScalebarSubdivisionHeight
Scalebar subdivision height.
@ ScalebarLeftSegments
Number of segments on the left of 0.
@ ScalebarSegmentWidth
Scalebar width in map units of a single segment.
void layerChanged(QgsVectorLayer *layer)
Emitted when the context's layer is changed.
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
A line symbol type, for rendering LineString and MultiLineString geometries.
Interface for master layout type objects, such as print layouts and reports.
QStringList sortedRendererList() const
Returns a list of the renderer ids currently contained in the registry, sorted in an order respecting...
@ FlagUsesLabelVerticalPlacement
Renderer uses the QgsScaleBarSettings::labelVerticalPlacement() setting.
@ FlagUsesLabelHorizontalPlacement
Renderer uses the QgsScaleBarSettings::labelHorizontalPlacement() setting.
@ FlagUsesLineSymbol
Renderer utilizes the scalebar line symbol (see QgsScaleBarSettings::lineSymbol() ).
@ FlagUsesUnitLabel
Renderer uses the QgsScaleBarSettings::unitLabel() setting.
@ FlagUsesSubdivisionsHeight
Renderer uses the scalebar subdivisions height (see QgsScaleBarSettings::subdivisionsHeight() ).
@ FlagUsesSubdivisionSymbol
Renderer utilizes the scalebar subdivision symbol (see QgsScaleBarSettings::subdivisionLineSymbol() )...
@ FlagUsesSegments
Renderer uses the scalebar segments.
@ FlagUsesLabelBarSpace
Renderer uses the QgsScaleBarSettings::labelBarSpace() setting.
@ FlagUsesAlignment
Renderer uses the QgsScaleBarSettings::alignment() setting.
@ FlagUsesFillSymbol
Renderer utilizes the scalebar fill symbol (see QgsScaleBarSettings::fillSymbol() ).
@ FlagRespectsMapUnitsPerScaleBarUnit
Renderer respects the QgsScaleBarSettings::mapUnitsPerScaleBarUnit() setting.
@ FlagRespectsUnits
Renderer respects the QgsScaleBarSettings::units() setting.
@ FlagUsesAlternateFillSymbol
Renderer utilizes the alternate scalebar fill symbol (see QgsScaleBarSettings::alternateFillSymbol() ...
@ FlagUsesSubdivisions
Renderer uses the scalebar subdivisions (see QgsScaleBarSettings::numberOfSubdivisions() ).
@ FlagUsesDivisionSymbol
Renderer utilizes the scalebar division symbol (see QgsScaleBarSettings::divisionLineSymbol() ).
static Q_INVOKABLE QString toString(Qgis::DistanceUnit unit)
Returns a translated string representing a distance unit.
#define BUILTIN_UNREACHABLE
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Single variable definition for use within a QgsExpressionContextScope.