diff --git a/addons/material_maker/engine/gen_remote.gd b/addons/material_maker/engine/gen_remote.gd
index 42cf317..92e5fc7 100644
--- a/addons/material_maker/engine/gen_remote.gd
+++ b/addons/material_maker/engine/gen_remote.gd
@@ -66,7 +66,11 @@ func set_parameter(p, v):
 				var configurations = widget.configurations.keys()
 				configurations.sort()
 				for w in widget.configurations[configurations[v]]:
-					parent.get_node(w.node).set_parameter(w.widget, w.value)
+					var node = parent.get_node(w.node)
+					if node != null:
+						print(w.value)
+						print(MMType.deserialize_value(w.value))
+						node.set_parameter(w.widget, MMType.deserialize_value(w.value))
 			else:
 				# incorrect configuration index
 				print("error: incorrect config control parameter value")
@@ -126,10 +130,11 @@ func update_configuration(index, config_name):
 		var parent = get_parent()
 		for w in widget.linked_widgets:
 			var g = parent.get_node(w.node)
-			var value = g.parameters[w.widget]
-			if typeof(value) ==  TYPE_ARRAY or typeof(value) ==  TYPE_DICTIONARY:
-				value = value.duplicate()
-			c.push_back({ node=w.node, widget=w.widget, value=value })
+			if g != null:
+				print(g.parameters[w.widget])
+				var value = MMType.serialize_value(g.parameters[w.widget])
+				print(value)
+				c.push_back({ node=w.node, widget=w.widget, value=value })
 		widget.configurations[config_name] = c
 		emit_signal("parameter_changed", "", null)
 
diff --git a/addons/material_maker/engine/loader.gd b/addons/material_maker/engine/loader.gd
index f7842a1..bcd576f 100644
--- a/addons/material_maker/engine/loader.gd
+++ b/addons/material_maker/engine/loader.gd
@@ -51,7 +51,7 @@ static func create_gen(data) -> MMGenBase:
 		generator.set_shader_model(data.model_data)
 	elif data.has("widgets"):
 		generator = MMGenRemote.new()
-		generator.set_widgets(data.widgets)
+		generator.set_widgets(data.widgets.duplicate(true))
 	elif data.has("type"):
 		if data.type == "material":
 			generator = MMGenMaterial.new()
diff --git a/addons/material_maker/library/base.json b/addons/material_maker/library/base.json
index 08bd7b8..730621a 100644
--- a/addons/material_maker/library/base.json
+++ b/addons/material_maker/library/base.json
@@ -259,6 +259,7 @@
 	},
 	{
 		"tree_item":"Miscellaneous/Remote",
-		"type":"remote"
+		"type":"remote",
+		"widgets":[]
 	}
 ]}
\ No newline at end of file
diff --git a/addons/material_maker/nodes/generic.gd b/addons/material_maker/nodes/generic.gd
index 1b4481b..332c03a 100644
--- a/addons/material_maker/nodes/generic.gd
+++ b/addons/material_maker/nodes/generic.gd
@@ -5,7 +5,7 @@ class_name MMGraphNodeGeneric
 var generator = null setget set_generator
 
 var controls = {}
-var ignore_parameter_change = false
+var ignore_parameter_change = ""
 
 func set_generator(g):
 	generator = g
@@ -19,7 +19,7 @@ func on_offset_changed():
 	generator.position = offset
 
 func on_parameter_changed(p, v):
-	if ignore_parameter_change:
+	if ignore_parameter_change == p:
 		return
 	var o = controls[p]
 	if o is LineEdit:
@@ -34,7 +34,7 @@ func on_parameter_changed(p, v):
 		o.pressed = v
 	elif o is ColorPickerButton:
 		o.color = MMType.deserialize_value(v)
-	elif o is Control and o.filename == "res://addons/material_maker/widgets/gradient_editor.tscn":
+	elif o is MMGradientEditor:
 		var gradient : MMGradient = MMGradient.new()
 		gradient.deserialize(v)
 		o.value = gradient
@@ -72,27 +72,27 @@ func update_shaders():
 	get_parent().send_changed_signal()
 
 func _on_text_changed(new_text, variable):
-	ignore_parameter_change = true
+	ignore_parameter_change = variable
 	generator.set_parameter(variable, float(new_text))
-	ignore_parameter_change = false
+	ignore_parameter_change = ""
 	update_shaders()
 
 func _on_value_changed(new_value, variable):
-	ignore_parameter_change = true
+	ignore_parameter_change = variable
 	generator.set_parameter(variable, new_value)
-	ignore_parameter_change = false
+	ignore_parameter_change = ""
 	update_shaders()
 
 func _on_color_changed(new_color, variable):
-	ignore_parameter_change = true
+	ignore_parameter_change = variable
 	generator.set_parameter(variable, new_color)
-	ignore_parameter_change = false
+	ignore_parameter_change = ""
 	update_shaders()
 
 func _on_gradient_changed(new_gradient, variable):
-	ignore_parameter_change = true
-	generator.set_parameter(variable, new_gradient)
-	ignore_parameter_change = false
+	ignore_parameter_change = variable
+	generator.set_parameter(variable, MMType.serialize_value(new_gradient))
+	ignore_parameter_change = ""
 	update_shaders()
 
 func create_parameter_control(p : Dictionary):
@@ -240,6 +240,7 @@ func edit_generator():
 func update_generator(shader_model):
 	generator.set_shader_model(shader_model)
 	update_node()
+	update_shaders()
 
 func load_generator():
 	var dialog = FileDialog.new()
diff --git a/addons/material_maker/nodes/remote.gd b/addons/material_maker/nodes/remote.gd
index 332e48e..a85609a 100644
--- a/addons/material_maker/nodes/remote.gd
+++ b/addons/material_maker/nodes/remote.gd
@@ -2,24 +2,30 @@ tool
 extends MMGraphNodeGeneric
 class_name MMGraphNodeRemote
 
+var links = {}
+
+onready var grid = $Controls
+
 func add_control(text, control):
-	var index = $Controls.get_child_count() / 4
+	var index = grid.get_child_count() / 4
 	var label = preload("res://addons/material_maker/widgets/linked_widgets/editable_label.tscn").instance()
 	label.set_text(text)
-	$Controls.add_child(label)
-	$Controls.add_child(control)
+	grid.add_child(label)
+	grid.add_child(control)
+	control.connect("mouse_entered", self, "on_enter_widget", [ control ])
+	control.connect("mouse_exited", self, "on_exit_widget", [ control ])
 	var button = Button.new()
 	button.icon = preload("res://addons/material_maker/icons/link.png")
-	$Controls.add_child(button)
+	grid.add_child(button)
 	button.connect("pressed", self, "_on_Link_pressed", [ index ])
 	button = Button.new()
 	button.icon = preload("res://addons/material_maker/icons/remove.png")
-	$Controls.add_child(button)
+	grid.add_child(button)
 	button.connect("pressed", generator, "remove_parameter", [ index ])
 
 func update_node():
 	var i : int = 0
-	for c in $Controls.get_children():
+	for c in grid.get_children():
 		c.queue_free()
 	yield(get_tree(), "idle_frame")
 	controls = {}
@@ -49,7 +55,7 @@ func _on_value_changed(new_value, variable):
 	var widget = generator.widgets[param_index]
 	if widget.type == "config_control":
 		var configuration_count = widget.configurations.size()
-		var control = $Controls.get_child(param_index*4+1)
+		var control = grid.get_child(param_index*4+1)
 		if new_value < configuration_count:
 			._on_value_changed(new_value, variable)
 			var current = control.get_item_text(new_value)
@@ -92,7 +98,7 @@ func _on_AddConfig_pressed():
 
 func _on_Link_pressed(index):
 	var link = MMNodeLink.new(get_parent())
-	link.pick($Controls.get_child(index*4+1), generator, index)
+	link.pick(grid.get_child(index*4+1), generator, index)
 
 func _on_Remote_resize_request(new_minsize):
 	print("_on_Remote_resize_request")
@@ -102,7 +108,32 @@ func _on_HBoxContainer_minimum_size_changed():
 	print("_on_HBoxContainer_minimum_size_changed "+str($HBoxContainer.rect_min_size))
 
 func on_parameter_changed(p, v):
+	print("remote.parameter_changed "+str(p)+" "+str(v))
 	if p == "":
 		update_node()
 	else:
-		.on_parameter_changed(p, v)
\ No newline at end of file
+		.on_parameter_changed(p, v)
+
+func on_enter_widget(widget):
+	print("enter_widget "+widget.name)
+	var param_index = widget.name.trim_prefix("param").to_int()
+	var w = generator.widgets[param_index]
+	var new_links = []
+	for l in w.linked_widgets:
+		var graph_node = get_parent().get_node("node_"+l.node)
+		if graph_node != null:
+			var control = graph_node.controls[l.widget]
+			if control != null:
+				var link = MMNodeLink.new(get_parent())
+				link.show_link(widget, control)
+				new_links.push_back(link)
+	# free existing links if any
+	on_exit_widget(widget)
+	# store new links
+	links[widget] = new_links
+
+func on_exit_widget(widget):
+	if links.has(widget):
+		for l in links[widget]:
+			l.queue_free()
+		links.erase(widget)
diff --git a/addons/material_maker/nodes/remote.tscn b/addons/material_maker/nodes/remote.tscn
index 941f019..c0219f8 100644
--- a/addons/material_maker/nodes/remote.tscn
+++ b/addons/material_maker/nodes/remote.tscn
@@ -53,5 +53,7 @@ margin_right = 60.0
 margin_bottom = 22.0
 hint_tooltip = "Add configurations"
 icon = ExtResource( 3 )
+[connection signal="close_request" from="." to="." method="on_close_request"]
+[connection signal="offset_changed" from="." to="." method="on_offset_changed"]
 [connection signal="pressed" from="HBoxContainer/AddLink" to="." method="_on_AddLink_pressed"]
 [connection signal="pressed" from="HBoxContainer/AddConfig" to="." method="_on_AddConfig_pressed"]
diff --git a/addons/material_maker/types/gradient.gd b/addons/material_maker/types/gradient.gd
index c56a6d4..ddbb1ec 100644
--- a/addons/material_maker/types/gradient.gd
+++ b/addons/material_maker/types/gradient.gd
@@ -100,3 +100,5 @@ func deserialize(v):
 		clear()
 		for p in v.points:
 			add_point(p.v, p.c)
+	else:
+		print("Cannot deserialize gradient")
diff --git a/addons/material_maker/widgets/gradient_editor.gd b/addons/material_maker/widgets/gradient_editor.gd
index e79453a..66a343f 100644
--- a/addons/material_maker/widgets/gradient_editor.gd
+++ b/addons/material_maker/widgets/gradient_editor.gd
@@ -1,5 +1,6 @@
 tool
 extends Control
+class_name MMGradientEditor
 
 class GradientCursor:
 	extends ColorRect
@@ -50,9 +51,10 @@ func _ready():
 	set_value(MMGradient.new())
 
 func set_value(v):
+	print("GradientEditor.set_value")
 	value = v
 	for c in get_children():
-		if c != $Gradient && c != $Background:
+		if c != $Gradient and c != $Background:
 			remove_child(c)
 			c.free()
 	for p in value.points:
diff --git a/addons/material_maker/widgets/gradient_editor.tscn b/addons/material_maker/widgets/gradient_editor.tscn
index ee0fe5d..01e47ec 100644
--- a/addons/material_maker/widgets/gradient_editor.tscn
+++ b/addons/material_maker/widgets/gradient_editor.tscn
@@ -2,21 +2,17 @@
 
 [ext_resource path="res://addons/material_maker/widgets/gradient_editor.gd" type="Script" id=1]
 
-[sub_resource type="Shader" id=3]
-
+[sub_resource type="Shader" id=1]
 code = "shader_type canvas_item;
 
 void fragment() {
 	COLOR = vec4(vec3(2.0*fract(0.5*(floor(10.0*UV.x)+floor(2.0*UV.y)))), 1.0);
 }"
 
-[sub_resource type="ShaderMaterial" id=4]
-
-render_priority = 0
-shader = SubResource( 3 )
-
-[sub_resource type="Shader" id=1]
+[sub_resource type="ShaderMaterial" id=2]
+shader = SubResource( 1 )
 
+[sub_resource type="Shader" id=3]
 code = "shader_type canvas_item;
 vec4 gradient(float x) {
   if (x < 0.000000000) {
@@ -28,113 +24,42 @@ vec4 gradient(float x) {
 }
 void fragment() { COLOR = gradient(UV.x); }"
 
-[sub_resource type="ShaderMaterial" id=2]
-
-render_priority = 0
-shader = SubResource( 1 )
+[sub_resource type="ShaderMaterial" id=4]
+shader = SubResource( 3 )
 
 [sub_resource type="Theme" id=5]
 
-
 [node name="Control" type="Control"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
 margin_right = 120.0
 margin_bottom = 30.0
 rect_min_size = Vector2( 120, 30 )
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
 script = ExtResource( 1 )
-_sections_unfolded = [ "Rect" ]
-
-[node name="Background" type="ColorRect" parent="." index="0"]
-
-material = SubResource( 4 )
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
-margin_right = 120.0
-margin_bottom = 20.0
-rect_min_size = Vector2( 120, 20 )
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-color = Color( 1, 1, 1, 1 )
-_sections_unfolded = [ "Material", "Rect" ]
-
-[node name="Gradient" type="ColorRect" parent="." index="1"]
 
+[node name="Background" type="ColorRect" parent="."]
 material = SubResource( 2 )
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
 margin_right = 120.0
 margin_bottom = 20.0
 rect_min_size = Vector2( 120, 20 )
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
+mouse_filter = 2
+
+[node name="Gradient" type="ColorRect" parent="."]
+material = SubResource( 4 )
+margin_right = 120.0
+margin_bottom = 20.0
+rect_min_size = Vector2( 120, 20 )
+mouse_filter = 2
 theme = SubResource( 5 )
-color = Color( 1, 1, 1, 1 )
-_sections_unfolded = [ "Material", "Theme" ]
 
-[node name="Popup" type="Popup" parent="Gradient" index="0"]
-
-visible = false
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="Popup" type="Popup" parent="Gradient"]
 margin_left = 47.0
 margin_top = 33.0
 margin_right = 353.0
 margin_bottom = 475.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-popup_exclusive = false
 
-[node name="ColorPicker" type="ColorPicker" parent="Gradient/Popup" index="0"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="ColorPicker" type="ColorPicker" parent="Gradient/Popup"]
 margin_left = 4.0
 margin_top = 4.0
 margin_right = 4.0
 margin_bottom = 4.0
 rect_scale = Vector2( 0.75, 0.75 )
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 1
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-alignment = 0
-color = Color( 1, 1, 1, 1 )
-edit_alpha = true
-raw_mode = false
-_sections_unfolded = [ "Rect" ]
-
 [connection signal="popup_hide" from="Gradient/Popup" to="." method="_on_Popup_popup_hide"]
-
-
diff --git a/addons/material_maker/widgets/linked_widgets/link.gd b/addons/material_maker/widgets/linked_widgets/link.gd
index 7d3df28..5e4bf5c 100644
--- a/addons/material_maker/widgets/linked_widgets/link.gd
+++ b/addons/material_maker/widgets/linked_widgets/link.gd
@@ -46,8 +46,8 @@ func find_control(gp):
 	return null
 
 func _draw():
-	draw_rect(Rect2(rect_position, rect_size), Color(1.0, 0.0, 0.0, 0.2))
-	draw_rect(Rect2(rect_position, rect_size), Color(1.0, 1.0, 0.0), false)
+	#draw_rect(Rect2(rect_position, rect_size), Color(1.0, 0.0, 0.0, 0.2))
+	#draw_rect(Rect2(rect_position, rect_size), Color(1.0, 1.0, 0.0), false)
 	var start = get_global_transform().xform_inv(source.get_global_transform().xform(0.5*source.rect_size))
 	var color = Color(1, 0.5, 0.5, 0.5)
 	var rect
diff --git a/project.godot b/project.godot
index e488d5a..ae19cfd 100644
--- a/project.godot
+++ b/project.godot
@@ -84,6 +84,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/material_maker/types/gradient.gd"
 }, {
+"base": "Control",
+"class": "MMGradientEditor",
+"language": "GDScript",
+"path": "res://addons/material_maker/widgets/gradient_editor.gd"
+}, {
 "base": "GraphNode",
 "class": "MMGraphNodeGeneric",
 "language": "GDScript",
@@ -120,6 +125,7 @@ _global_script_class_icons={
 "MMGenSwitch": "",
 "MMGenTexture": "",
 "MMGradient": "",
+"MMGradientEditor": "",
 "MMGraphNodeGeneric": "",
 "MMGraphNodeRemote": "",
 "MMNodeLink": "",