Работа в процессе. Простая кнопка

scenes/button_flat.tscn

@@ -0,0 +1,49 @@
+[gd_scene load_steps=9 format=3 uid="uid://da7w3vkhadfwe"]
+
+[ext_resource type="Script" path="res://scenes/nine-patch-button.gd" id="1_wpbps"]
+[ext_resource type="Texture2D" uid="uid://ct0ajcwno03h7" path="res://data/кнопка-квадрат-0.png" id="2_1xr6o"]
+
+[sub_resource type="StyleBoxEmpty" id="1"]
+
+[sub_resource type="StyleBoxEmpty" id="6"]
+
+[sub_resource type="StyleBoxEmpty" id="2"]
+
+[sub_resource type="StyleBoxEmpty" id="3"]
+
+[sub_resource type="StyleBoxEmpty" id="5"]
+
+[sub_resource type="StyleBoxEmpty" id="4"]
+
+[node name="container" type="PanelContainer"]
+offset_right = 30.0
+offset_bottom = 30.0
+theme_override_styles/panel = SubResource("1")
+script = ExtResource("1_wpbps")
+toggle_mode = true
+
+[node name="state" type="NinePatchRect" parent="."]
+show_behind_parent = true
+layout_mode = 2
+texture = ExtResource("2_1xr6o")
+patch_margin_left = 10
+patch_margin_top = 10
+patch_margin_right = 10
+patch_margin_bottom = 10
+axis_stretch_horizontal = 1
+axis_stretch_vertical = 1
+
+[node name="button" type="Button" parent="."]
+layout_mode = 2
+theme_override_styles/normal = SubResource("6")
+theme_override_styles/hover = SubResource("2")
+theme_override_styles/pressed = SubResource("3")
+theme_override_styles/disabled = SubResource("5")
+theme_override_styles/focus = SubResource("4")
+toggle_mode = true
+clip_text = true
+
+[node name="label" type="Label" parent="."]
+layout_mode = 2
+
+[connection signal="toggled" from="button" to="." method="_on_button_toggled"]