Port more scalebar functionality

Author: nyalldawson

python/core/layout/qgslayoutitem.sip

@@ -105,6 +105,20 @@ class QgsLayoutItem : QgsLayoutObject, QGraphicsRectItem, QgsLayoutUndoObjectInt
       UndoLegendGroupFont,
       UndoLegendLayerFont,
       UndoLegendItemFont,
+      UndoScaleBarLineWidth,
+      UndoScaleBarSegmentSize,
+      UndoScaleBarSegmentsLeft,
+      UndoScaleBarSegments,
+      UndoScaleBarHeight,
+      UndoScaleBarFontColor,
+      UndoScaleBarFillColor,
+      UndoScaleBarFillColor2,
+      UndoScaleBarStrokeColor,
+      UndoScaleBarUnitText,
+      UndoScaleBarMapUnitsSegment,
+      UndoScaleBarLabelBarSize,
+      UndoScaleBarBoxContentSpace,
+
       UndoCustomCommand,
     };
 

python/core/layout/qgslayoutitemscalebar.sip

@@ -24,7 +24,6 @@ class QgsLayoutItemScaleBar: QgsLayoutItem
 %Docstring
  Constructor for QgsLayoutItemScaleBar, with the specified parent ``layout``.
 %End
-    ~QgsLayoutItemScaleBar();
 
     virtual int type() const;
 
@@ -38,6 +37,8 @@ class QgsLayoutItemScaleBar: QgsLayoutItem
  The caller takes responsibility for deleting the returned object.
  :rtype: QgsLayoutItemScaleBar
 %End
+    virtual QgsLayoutSize minimumSize() const;
+
 
     int numberOfSegments() const;
 %Docstring
@@ -413,15 +414,11 @@ class QgsLayoutItemScaleBar: QgsLayoutItem
  :rtype: str
 %End
 
-    void adjustBoxSize();
-%Docstring
- Sets the scale bar box size to a size suitable for the scalebar content.
-%End
-
     void update();
 %Docstring
  Adjusts the scale bar box size and updates the item.
 %End
+
     virtual void refreshDataDefinedProperty( const QgsLayoutObject::DataDefinedProperty property = QgsLayoutObject::AllProperties );
 
 

src/app/CMakeLists.txt

@@ -193,6 +193,7 @@ SET(QGIS_APP_SRCS
   layout/qgslayoutpolygonwidget.cpp
   layout/qgslayoutpolylinewidget.cpp
   layout/qgslayoutpropertieswidget.cpp
+  layout/qgslayoutscalebarwidget.cpp
   layout/qgslayoutshapewidget.cpp
 
   locator/qgsinbuiltlocatorfilters.cpp
@@ -402,6 +403,7 @@ SET (QGIS_APP_MOC_HDRS
   layout/qgslayoutpolygonwidget.h
   layout/qgslayoutpolylinewidget.h
   layout/qgslayoutpropertieswidget.h
+  layout/qgslayoutscalebarwidget.h
   layout/qgslayoutshapewidget.h
 
   locator/qgsinbuiltlocatorfilters.h

src/app/layout/qgslayoutapputils.cpp

@@ -37,6 +37,7 @@
 #include "qgslayoutframe.h"
 #include "qgslayoutitemhtml.h"
 #include "qgslayouthtmlwidget.h"
+#include "qgslayoutscalebarwidget.h"
 #include "qgisapp.h"
 #include "qgsmapcanvas.h"
 
@@ -143,10 +144,10 @@ void QgsLayoutAppUtils::registerGuiForKnownItemTypes()
 
   // scalebar item
 
-  auto scalebarItemMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata >( QgsLayoutItemRegistry::LayoutScaleBar, QObject::tr( "Scale Bar" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddScalebar.svg" ) ),
+  auto scalebarItemMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata >( QgsLayoutItemRegistry::LayoutScaleBar, QObject::tr( "Scale Bar" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionScaleBar.svg" ) ),
                               [ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
   {
-    return nullptr;//new QgsLayoutLegendWidget( qobject_cast< QgsLayoutItemLegend * >( item ) );
+    return new QgsLayoutScaleBarWidget( qobject_cast< QgsLayoutItemScaleBar * >( item ) );
   }, createRubberBand );
   scalebarItemMetadata->setItemAddedToLayoutFunction( [ = ]( QgsLayoutItem * item )
   {