diff --git a/scenes/button-flat.gdshader b/scenes/button-flat.gdshader
index 9d9a608..8f0b8a1 100644
--- a/scenes/button-flat.gdshader
+++ b/scenes/button-flat.gdshader
@@ -11,14 +11,6 @@ uniform bool disabled = false;
 void fragment()
 {
 	float w = cos(angle) * UV.x + sin(angle) * UV.y - speed * TIME;
-	if ((floor(mod(w * divisions, stripe_bias)) < 0.0001) && disabled)
-    {
-		COLOR = color_gap;
-	}
-    else
-    {
-		COLOR = color_stripe;
-	}
+    float rc = floor(float(mod(w * divisions, stripe_bias) < 0.0001)) * float(disabled);
+	COLOR = color_gap * rc + color_stripe * (1.0 - rc);
 }
-
-
diff --git a/scenes/canvas.tscn b/scenes/canvas.tscn
index ea06dbd..812b39a 100644
--- a/scenes/canvas.tscn
+++ b/scenes/canvas.tscn
@@ -1,6 +1,6 @@
 [gd_scene load_steps=7 format=3 uid="uid://b5kjdyxuwsot5"]
 
-[ext_resource type="Material" uid="uid://s6xe8igevnv2" path="res://shaders/shader_edu.tres" id="1_itkeo"]
+[ext_resource type="Material" uid="uid://s6xe8igevnv2" path="res://shaders/antenas.tres" id="1_itkeo"]
 [ext_resource type="Script" path="res://scenes/canvas.gd" id="2_clpjo"]
 [ext_resource type="PackedScene" uid="uid://c73ahpv8uiuc7" path="res://scenes/sector.tscn" id="3_kddns"]
 [ext_resource type="Shader" path="res://shaders/sector.gdshader" id="4_q0nxn"]
diff --git a/shaders/shader_edu.tres b/shaders/antenas.tres
similarity index 100%
rename from shaders/shader_edu.tres
rename to shaders/antenas.tres
diff --git a/table/table.gd b/table/table.gd
index 32c6dc0..2595a15 100644
--- a/table/table.gd
+++ b/table/table.gd
@@ -96,6 +96,14 @@ func selector_down():
     emit_signal('selected_changed', i_row)
 
 
+## Делает ряд [param i_row] видимым.
+func ensure_row_visible(i_row: int):
+    assert(scroll is ScrollContainer, 'Таблица должна быть дочерней к ScrollContainer')
+    var key: = get_node_key(NODE_KEY_FORMAT, 0, i_row)
+    var node = nodes[key]
+    scroll.ensure_control_visible(node)
+
+
 ## Устанавливает выравнивание из массива [param alignments] для всех колонок.
 func set_columns_alignments(alignments: Array):
     assert(columns == alignments.size())