From 0ea095f6e0adc36c8b7986860c57e55ec6ec8f86 Mon Sep 17 00:00:00 2001
From: Ivan Mahonin <bh@icystar.com>
Date: Oct 14 2019 12:21:38 +0000
Subject: fix copy/paste bug (fixes #640)


---

diff --git a/synfig-core/src/modules/lyr_freetype/lyr_freetype.cpp b/synfig-core/src/modules/lyr_freetype/lyr_freetype.cpp
index 125f59c..1893f0b 100644
--- a/synfig-core/src/modules/lyr_freetype/lyr_freetype.cpp
+++ b/synfig-core/src/modules/lyr_freetype/lyr_freetype.cpp
@@ -141,6 +141,7 @@ Layer_Freetype::~Layer_Freetype()
 void
 Layer_Freetype::on_canvas_set()
 {
+	Layer_Composite::on_canvas_set();
 	synfig::String family=param_family.get(synfig::String());
 	int style=param_style.get(int());
 	int weight=param_weight.get(int());
diff --git a/synfig-core/src/modules/lyr_std/import.cpp b/synfig-core/src/modules/lyr_std/import.cpp
index 1321e26..3c137a3 100644
--- a/synfig-core/src/modules/lyr_std/import.cpp
+++ b/synfig-core/src/modules/lyr_std/import.cpp
@@ -90,6 +90,7 @@ Import::~Import()
 void
 Import::on_canvas_set()
 {
+	Layer_Bitmap::on_canvas_set();
 	if(get_canvas())set_param("filename",param_filename);
 }
 
diff --git a/synfig-core/src/synfig/layer.cpp b/synfig-core/src/synfig/layer.cpp
index bd36d49..3ce1fc3 100644
--- a/synfig-core/src/synfig/layer.cpp
+++ b/synfig-core/src/synfig/layer.cpp
@@ -229,7 +229,13 @@ synfig::Layer::set_canvas(etl::loose_handle<Canvas> x)
 
 void
 synfig::Layer::on_canvas_set()
-	{ }
+{
+	// update canvas for all non-exported child ValueNodes
+	if (get_canvas())
+		for(DynamicParamList::const_iterator i = dynamic_param_list().begin(); i != dynamic_param_list().end(); ++i)
+			if (!i->second->is_exported())
+				i->second->set_parent_canvas(get_canvas());
+}
 
 void
 synfig::Layer::on_static_param_changed(const String & /* param */)
diff --git a/synfig-core/src/synfig/layers/layer_pastecanvas.cpp b/synfig-core/src/synfig/layers/layer_pastecanvas.cpp
index c9def27..0d713c1 100644
--- a/synfig-core/src/synfig/layers/layer_pastecanvas.cpp
+++ b/synfig-core/src/synfig/layers/layer_pastecanvas.cpp
@@ -283,9 +283,8 @@ void
 Layer_PasteCanvas::on_canvas_set()
 {
 	if(get_canvas() && sub_canvas && sub_canvas->is_inline() && sub_canvas->parent()!=get_canvas())
-	{
 		sub_canvas->set_inline(get_canvas());
-	}
+	Layer_Composite::on_canvas_set();
 }
 
 ValueBase