Correctly set context for annotation items (map canvas, message bar)

python/gui/auto_generated/annotations/qgsannotationitemcommonpropertieswidget.sip.in

@@ -36,6 +36,20 @@ Sets the ``item`` whose properties should be shown in the widget.
     void updateItem( QgsAnnotationItem *item );
 %Docstring
 Updates an ``item``, setting the properties defined in the widget.
+%End
+
+    void setContext( const QgsSymbolWidgetContext &context );
+%Docstring
+Sets the ``context`` in which the widget is shown, e.g., the associated map canvas and expression contexts.
+
+.. seealso:: :py:func:`context`
+%End
+
+    QgsSymbolWidgetContext context() const;
+%Docstring
+Returns the context in which the widget is shown, e.g., the associated map canvas and expression contexts.
+
+.. seealso:: :py:func:`setContext`
 %End
 
   signals:

python/gui/auto_generated/annotations/qgsannotationitemwidget.sip.in

@@ -49,6 +49,19 @@ If ``False`` is returned, then the widget could not be successfully updated
 to show the properties of ``item``.
 %End
 
+    virtual void setContext( const QgsSymbolWidgetContext &context );
+%Docstring
+Sets the ``context`` in which the widget is shown, e.g., the associated map canvas and expression contexts.
+
+.. seealso:: :py:func:`context`
+%End
+
+    QgsSymbolWidgetContext context() const;
+%Docstring
+Returns the context in which the widget is shown, e.g., the associated map canvas and expression contexts.
+
+.. seealso:: :py:func:`setContext`
+%End
 
   signals:
 

src/app/annotations/qgsannotationitempropertieswidget.cpp

@@ -73,6 +73,14 @@ void QgsAnnotationItemPropertiesWidget::setMapLayerConfigWidgetContext( const Qg
 {
   QgsMapLayerConfigWidget::setMapLayerConfigWidgetContext( context );
   setItemId( context.annotationId() );
+
+  if ( mItemWidget )
+  {
+    QgsSymbolWidgetContext symbolWidgetContext;
+    symbolWidgetContext.setMapCanvas( context.mapCanvas() );
+    symbolWidgetContext.setMessageBar( context.messageBar() );
+    mItemWidget->setContext( symbolWidgetContext );
+  }
 }
 
 void QgsAnnotationItemPropertiesWidget::setDockMode( bool dockMode )
@@ -143,6 +151,11 @@ void QgsAnnotationItemPropertiesWidget::setItemId( const QString &itemId )
         connect( mItemWidget, &QgsAnnotationItemBaseWidget::itemChanged, this, &QgsAnnotationItemPropertiesWidget::onChanged );
         mItemWidget->setDockMode( dockMode() );
         connect( mItemWidget, &QgsPanelWidget::showPanel, this, &QgsPanelWidget::openPanel );
+
+        QgsSymbolWidgetContext symbolWidgetContext;
+        symbolWidgetContext.setMapCanvas( mMapLayerConfigWidgetContext.mapCanvas() );
+        symbolWidgetContext.setMessageBar( mMapLayerConfigWidgetContext.messageBar() );
+        mItemWidget->setContext( symbolWidgetContext );
       }
     }
   }

src/gui/annotations/qgsannotationitemcommonpropertieswidget.cpp

@@ -53,3 +53,16 @@ void QgsAnnotationItemCommonPropertiesWidget::updateItem( QgsAnnotationItem *ite
   item->setUseSymbologyReferenceScale( mReferenceScaleGroup->isChecked() );
   item->setSymbologyReferenceScale( mReferenceScaleWidget->scale() );
 }
+
+void QgsAnnotationItemCommonPropertiesWidget::setContext( const QgsSymbolWidgetContext &context )
+{
+  mContext = context;
+  mReferenceScaleWidget->setMapCanvas( context.mapCanvas() );
+  if ( context.mapCanvas() )
+    mReferenceScaleWidget->setShowCurrentScaleButton( true );
+}
+
+QgsSymbolWidgetContext QgsAnnotationItemCommonPropertiesWidget::context() const
+{
+  return mContext;
+}

src/gui/annotations/qgsannotationitemcommonpropertieswidget.h

@@ -19,6 +19,7 @@
 #include "qgis_sip.h"
 
 #include "ui_qgsannotationcommonpropertieswidgetbase.h"
+#include "qgssymbolwidgetcontext.h"
 
 class QgsAnnotationItem;
 
@@ -51,6 +52,18 @@ class GUI_EXPORT QgsAnnotationItemCommonPropertiesWidget: public QWidget, privat
      */
     void updateItem( QgsAnnotationItem *item );
 
+    /**
+     * Sets the \a context in which the widget is shown, e.g., the associated map canvas and expression contexts.
+     * \see context()
+     */
+    void setContext( const QgsSymbolWidgetContext &context );
+
+    /**
+     * Returns the context in which the widget is shown, e.g., the associated map canvas and expression contexts.
+     * \see setContext()
+     */
+    QgsSymbolWidgetContext context() const;
+
   signals:
 
     /**
@@ -62,6 +75,8 @@ class GUI_EXPORT QgsAnnotationItemCommonPropertiesWidget: public QWidget, privat
 
     bool mBlockChangedSignal = false;
 
+    //! Context in which widget is shown
+    QgsSymbolWidgetContext mContext;
 };
 
 #endif // QGSANNOTATIONITEMCOMMONPROPERTIESWIDGET_H

src/gui/annotations/qgsannotationitemwidget.cpp

@@ -26,6 +26,16 @@ bool QgsAnnotationItemBaseWidget::setItem( QgsAnnotationItem *item )
   return setNewItem( item );
 }
 
+void QgsAnnotationItemBaseWidget::setContext( const QgsSymbolWidgetContext &context )
+{
+  mContext = context;
+}
+
+QgsSymbolWidgetContext QgsAnnotationItemBaseWidget::context() const
+{
+  return mContext;
+}
+
 bool QgsAnnotationItemBaseWidget::setNewItem( QgsAnnotationItem * )
 {
   return false;

src/gui/annotations/qgsannotationitemwidget.h

@@ -18,6 +18,7 @@
 #include "qgis_gui.h"
 #include "qgis_sip.h"
 #include "qgspanelwidget.h"
+#include "qgssymbolwidgetcontext.h"
 
 class QgsAnnotationItem;
 
@@ -62,6 +63,17 @@ class GUI_EXPORT QgsAnnotationItemBaseWidget: public QgsPanelWidget
      */
     bool setItem( QgsAnnotationItem *item );
 
+    /**
+     * Sets the \a context in which the widget is shown, e.g., the associated map canvas and expression contexts.
+     * \see context()
+     */
+    virtual void setContext( const QgsSymbolWidgetContext &context );
+
+    /**
+     * Returns the context in which the widget is shown, e.g., the associated map canvas and expression contexts.
+     * \see setContext()
+     */
+    QgsSymbolWidgetContext context() const;
 
   signals:
 
@@ -83,6 +95,8 @@ class GUI_EXPORT QgsAnnotationItemBaseWidget: public QgsPanelWidget
      */
     virtual bool setNewItem( QgsAnnotationItem *item );
 
+    //! Context in which widget is shown
+    QgsSymbolWidgetContext mContext;
 };
 
 #endif // QGSANNOTATIONITEMWIDGET_H

src/gui/annotations/qgsannotationitemwidget_impl.cpp

@@ -77,6 +77,14 @@ void QgsAnnotationPolygonItemWidget::setDockMode( bool dockMode )
     mSelector->setDockMode( dockMode );
 }
 
+void QgsAnnotationPolygonItemWidget::setContext( const QgsSymbolWidgetContext &context )
+{
+  QgsAnnotationItemBaseWidget::setContext( context );
+  if ( mSelector )
+    mSelector->setContext( context );
+  mPropertiesWidget->setContext( context );
+}
+
 QgsAnnotationPolygonItemWidget::~QgsAnnotationPolygonItemWidget() = default;
 
 bool QgsAnnotationPolygonItemWidget::setNewItem( QgsAnnotationItem *item )
@@ -158,6 +166,14 @@ void QgsAnnotationLineItemWidget::setDockMode( bool dockMode )
     mSelector->setDockMode( dockMode );
 }
 
+void QgsAnnotationLineItemWidget::setContext( const QgsSymbolWidgetContext &context )
+{
+  QgsAnnotationItemBaseWidget::setContext( context );
+  if ( mSelector )
+    mSelector->setContext( context );
+  mPropertiesWidget->setContext( context );
+}
+
 QgsAnnotationLineItemWidget::~QgsAnnotationLineItemWidget() = default;
 
 bool QgsAnnotationLineItemWidget::setNewItem( QgsAnnotationItem *item )
@@ -239,6 +255,14 @@ void QgsAnnotationMarkerItemWidget::setDockMode( bool dockMode )
     mSelector->setDockMode( dockMode );
 }
 
+void QgsAnnotationMarkerItemWidget::setContext( const QgsSymbolWidgetContext &context )
+{
+  QgsAnnotationItemBaseWidget::setContext( context );
+  if ( mSelector )
+    mSelector->setContext( context );
+  mPropertiesWidget->setContext( context );
+}
+
 QgsAnnotationMarkerItemWidget::~QgsAnnotationMarkerItemWidget() = default;
 
 bool QgsAnnotationMarkerItemWidget::setNewItem( QgsAnnotationItem *item )
@@ -328,6 +352,14 @@ void QgsAnnotationPointTextItemWidget::setDockMode( bool dockMode )
     mTextFormatWidget->setDockMode( dockMode );
 }
 
+void QgsAnnotationPointTextItemWidget::setContext( const QgsSymbolWidgetContext &context )
+{
+  QgsAnnotationItemBaseWidget::setContext( context );
+  if ( mTextFormatWidget )
+    mTextFormatWidget->setContext( context );
+  mPropertiesWidget->setContext( context );
+}
+
 QgsAnnotationPointTextItemWidget::~QgsAnnotationPointTextItemWidget() = default;
 
 bool QgsAnnotationPointTextItemWidget::setNewItem( QgsAnnotationItem *item )

src/gui/annotations/qgsannotationitemwidget_impl.h

@@ -48,6 +48,7 @@ class QgsAnnotationPolygonItemWidget : public QgsAnnotationItemBaseWidget, priva
     QgsAnnotationItem *createItem() override;
     void updateItem( QgsAnnotationItem *item ) override;
     void setDockMode( bool dockMode ) override;
+    void setContext( const QgsSymbolWidgetContext &context ) override;
 
   protected:
     bool setNewItem( QgsAnnotationItem *item ) override;
@@ -70,6 +71,7 @@ class QgsAnnotationLineItemWidget : public QgsAnnotationItemBaseWidget, private
     QgsAnnotationItem *createItem() override;
     void updateItem( QgsAnnotationItem *item ) override;
     void setDockMode( bool dockMode ) override;
+    void setContext( const QgsSymbolWidgetContext &context ) override;
 
   protected:
     bool setNewItem( QgsAnnotationItem *item ) override;
@@ -92,6 +94,7 @@ class QgsAnnotationMarkerItemWidget : public QgsAnnotationItemBaseWidget, privat
     QgsAnnotationItem *createItem() override;
     void updateItem( QgsAnnotationItem *item ) override;
     void setDockMode( bool dockMode ) override;
+    void setContext( const QgsSymbolWidgetContext &context ) override;
 
   protected:
     bool setNewItem( QgsAnnotationItem *item ) override;
@@ -115,6 +118,7 @@ class QgsAnnotationPointTextItemWidget : public QgsAnnotationItemBaseWidget, pri
     QgsAnnotationItem *createItem() override;
     void updateItem( QgsAnnotationItem *item ) override;
     void setDockMode( bool dockMode ) override;
+    void setContext( const QgsSymbolWidgetContext &context ) override;
 
   protected:
     bool setNewItem( QgsAnnotationItem *item ) override;