Start hooking up map widget gui

Author: nyalldawson

python/core/layout/qgslayoutitem.sip

@@ -63,6 +63,8 @@ class QgsLayoutItem : QgsLayoutObject, QGraphicsRectItem, QgsLayoutUndoObjectInt
       UndoShapeStyle,
       UndoShapeCornerRadius,
       UndoNodeMove,
+      UndoAtlasMargin,
+      UndoMapRotation,
     };
 
     explicit QgsLayoutItem( QgsLayout *layout, bool manageZValue = true );

python/gui/layout/qgslayoutitemguiregistry.sip

@@ -112,12 +112,21 @@ class QgsLayoutItemAbstractGuiMetadata
  :rtype: QgsLayoutItem
 %End
 
+    virtual void newItemAddedToLayout( QgsLayoutItem *item );
+%Docstring
+ Called when a newly created item of the associated type has been added to a layout.
+
+ This is only called for additions which result from GUI operations - i.e. it is not
+ called for items added from templates.
+%End
+
 };
 
 
 
 
 
+
 class QgsLayoutItemGuiGroup
 {
 %Docstring
@@ -230,6 +239,14 @@ class QgsLayoutItemGuiRegistry : QObject
  :rtype: QgsLayoutItem
 %End
 
+    void newItemAddedToLayout( int metadataId, QgsLayoutItem *item );
+%Docstring
+ Called when a newly created item of the associated metadata ``metadataId`` has been added to a layout.
+
+ This is only called for additions which result from GUI operations - i.e. it is not
+ called for items added from templates.
+%End
+
     QgsLayoutItemBaseWidget *createItemWidget( QgsLayoutItem *item ) const /Factory/;
 %Docstring
  Creates a new instance of a layout item configuration widget for the specified ``item``.

src/app/layout/qgslayoutapputils.cpp

@@ -27,6 +27,8 @@
 #include "qgslayoutitempolyline.h"
 #include "qgslayoutpolygonwidget.h"
 #include "qgslayoutpolylinewidget.h"
+#include "qgisapp.h"
+#include "qgsmapcanvas.h"
 
 void QgsLayoutAppUtils::registerGuiForKnownItemTypes()
 {
@@ -50,11 +52,21 @@ void QgsLayoutAppUtils::registerGuiForKnownItemTypes()
 
   registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutItem + 1002, QStringLiteral( "test" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddLabel.svg" ) ), nullptr, createRubberBand ) );
 
-  registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutMap, QObject::tr( "Map" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddMap.svg" ) ),
-                                      [ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
+  auto mapItemMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata >( QgsLayoutItemRegistry::LayoutMap, QObject::tr( "Map" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddMap.svg" ) ),
+                         [ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
   {
     return new QgsLayoutMapWidget( qobject_cast< QgsLayoutItemMap * >( item ) );
-  }, createRubberBand ) );
+  }, createRubberBand );
+  mapItemMetadata->setItemAddedToLayoutFunction( [ = ]( QgsLayoutItem * item )
+  {
+    QgsLayoutItemMap *map = qobject_cast< QgsLayoutItemMap * >( item );
+    Q_ASSERT( map );
+    if ( QgisApp::instance()->mapCanvas() )
+    {
+      map->zoomToExtent( QgisApp::instance()->mapCanvas()->mapSettings().visibleExtent() );
+    }
+  } );
+  registry->addLayoutItemGuiMetadata( mapItemMetadata.release() );
 
   auto createShapeWidget =
     []( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *