Add QgsIconUtils::iconForLayerType

python/core/auto_generated/qgsiconutils.sip.in

@@ -75,6 +75,13 @@ Returns an icon representing point cloud layers.
     static QIcon iconForLayer( const QgsMapLayer *layer );
 %Docstring
 Returns the icon corresponding to a specified map ``layer``.
+%End
+
+    static QIcon iconForLayerType( QgsMapLayerType type );
+%Docstring
+Returns the default icon for the specified layer ``type``.
+
+.. versionadded:: 3.22
 %End
 
 };

src/core/qgsiconutils.cpp

@@ -91,23 +91,13 @@ QIcon QgsIconUtils::iconForLayer( const QgsMapLayer *layer )
   switch ( layer->type() )
   {
     case QgsMapLayerType::RasterLayer:
-    {
-      return QgsIconUtils::iconRaster();
-    }
-
     case QgsMapLayerType::MeshLayer:
-    {
-      return QgsIconUtils::iconMesh();
-    }
-
     case QgsMapLayerType::VectorTileLayer:
-    {
-      return QgsIconUtils::iconVectorTile();
-    }
-
     case QgsMapLayerType::PointCloudLayer:
+    case QgsMapLayerType::PluginLayer:
+    case QgsMapLayerType::AnnotationLayer:
     {
-      return QgsIconUtils::iconPointCloud();
+      return QgsIconUtils::iconForLayerType( layer->type() );
     }
 
     case QgsMapLayerType::VectorLayer:
@@ -142,11 +132,33 @@ QIcon QgsIconUtils::iconForLayer( const QgsMapLayer *layer )
         }
       }
     }
-
-    default:
-    {
-      return QIcon();
-    }
   }
+  return QIcon();
+}
+
+QIcon QgsIconUtils::iconForLayerType( QgsMapLayerType type )
+{
+  switch ( type )
+  {
+    case QgsMapLayerType::RasterLayer:
+      return QgsIconUtils::iconRaster();
+
+    case QgsMapLayerType::MeshLayer:
+      return QgsIconUtils::iconMesh();
+
+    case QgsMapLayerType::VectorTileLayer:
+      return QgsIconUtils::iconVectorTile();
+
+    case QgsMapLayerType::PointCloudLayer:
+      return QgsIconUtils::iconPointCloud();
+
+    case QgsMapLayerType::VectorLayer:
+      return QgsIconUtils::iconPolygon();
+
+    case QgsMapLayerType::PluginLayer:
+    case QgsMapLayerType::AnnotationLayer:
+      break;
+  }
+  return QIcon();
 }
 

src/core/qgsiconutils.h

@@ -90,6 +90,13 @@ class CORE_EXPORT QgsIconUtils
      */
     static QIcon iconForLayer( const QgsMapLayer *layer );
 
+    /**
+     * Returns the default icon for the specified layer \a type.
+     *
+     * \since QGIS 3.22
+     */
+    static QIcon iconForLayerType( QgsMapLayerType type );
+
 };
 
 #endif // QGSICONUTILS_H