Improved Godot SpinBox node

CustomSpinBox.gd

extends Button

export var value: int = 0
export var step: int = 1
export var min_value: int = 0
export var max_value: int = 999
export var prefix: String
export var suffix: String


func _ready():
    _update_value(value)


func _input(event):
    if self.has_focus():
        if event.is_action_released("ui_left"):
            _update_value(self.value - self.step)
        elif event.is_action_released("ui_right"):
            _update_value(self.value + self.step)


func _update_value(new_value: int) -> void:
    value = int(clamp(new_value, min_value, max_value))
    $HBoxContainer/Label.text = prefix + String(value) + suffix


func _on_LeftButton_pressed():
    _update_value(self.value - self.step)


func _on_RightButton_pressed():
    _update_value(self.value + self.step)

CustomSpinBox.tscn

[gd_scene load_steps=4 format=2]

[ext_resource path="res://CustomSpinBox.gd" type="Script" id=1]
[ext_resource path="res://triangle.png" type="Texture" id=2]
[ext_resource path="res://triangle-flip-h.png" type="Texture" id=3]

[node name="CustomSpinBox" type="Button"]
anchor_right = 1.0
anchor_bottom = 1.0
text = "Label"
align = 0
script = ExtResource( 1 )

[node name="HBoxContainer" type="HBoxContainer" parent="."]
anchor_left = 0.78
anchor_right = 1.0
anchor_bottom = 1.0

[node name="LeftButton" type="Button" parent="HBoxContainer"]
margin_right = 29.0
margin_bottom = 1080.0
focus_mode = 0
enabled_focus_mode = 0
icon = ExtResource( 3 )
flat = true
icon_align = 1

[node name="Label" type="Label" parent="HBoxContainer"]
margin_left = 33.0
margin_top = 533.0
margin_right = 389.0
margin_bottom = 547.0
size_flags_horizontal = 3
align = 1

[node name="RightButton" type="Button" parent="HBoxContainer"]
margin_left = 393.0
margin_right = 422.0
margin_bottom = 1080.0
focus_mode = 0
enabled_focus_mode = 0
icon = ExtResource( 2 )
flat = true
icon_align = 1

[connection signal="pressed" from="HBoxContainer/LeftButton" to="." method="_on_LeftButton_pressed"]
[connection signal="pressed" from="HBoxContainer/RightButton" to="." method="_on_RightButton_pressed"]

triangle-flip-h.png

triangle.png

This is a custom SpinBox node for Godot Engine. The builtin SpinBox does not work with a gamepad, so I made this one using Buttons and Labels that should have full gamepad support. Also works with keyboard and mouse.