Hide joypad controls if joypad 0 is not connected

Author: wjt

scenes/control_legend.gd

@@ -0,0 +1,16 @@
+extends Control
+
+@onready var _grid: GridContainer = $PanelContainer/Grid
+
+func _ready() -> void:
+	_toggle_joypad_controls(false)
+	Input.joy_connection_changed.connect(_on_joy_connection_changed_cb)
+
+func _toggle_joypad_controls(connected: bool):
+	_grid.columns = (3 if connected else 2)
+	for child in $PanelContainer/Grid.get_children():
+		if child.is_in_group("joypad"):
+			child.visible = connected
+
+func _on_joy_connection_changed_cb(_device: int, _connected: bool):
+	_toggle_joypad_controls(not Input.get_connected_joypads().is_empty())

scenes/control_legend.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=10 format=3 uid="uid://b4upvm74gte5"]
+[gd_scene load_steps=11 format=3 uid="uid://b4upvm74gte5"]
 
 [ext_resource type="Texture2D" uid="uid://csuaoaclr7fyb" path="res://assets/kenney_input-prompts/Steam Deck/Default/steamdeck_stick_l_horizontal.png" id="1_6u7qc"]
+[ext_resource type="Script" path="res://scenes/control_legend.gd" id="1_hbahy"]
 [ext_resource type="Texture2D" uid="uid://ffs8ne7b7ijc" path="res://assets/kenney_input-prompts/Keyboard & Mouse/Default/keyboard_arrows_horizontal.png" id="2_w3q02"]
 [ext_resource type="Texture2D" uid="uid://blprvur1vdmtb" path="res://assets/kenney_input-prompts/Steam Deck/Default/steamdeck_stick_l_vertical.png" id="3_kfgte"]
 [ext_resource type="Texture2D" uid="uid://ibjkhn23vq8e" path="res://assets/kenney_input-prompts/Keyboard & Mouse/Default/keyboard_arrows_vertical.png" id="4_r850h"]
@@ -25,6 +26,7 @@ grow_horizontal = 2
 grow_vertical = 2
 size_flags_horizontal = 8
 size_flags_vertical = 8
+script = ExtResource("1_hbahy")
 
 [node name="PanelContainer" type="PanelContainer" parent="."]
 layout_mode = 1
@@ -52,7 +54,7 @@ horizontal_alignment = 2
 layout_mode = 2
 texture = ExtResource("1_6u7qc")
 
-[node name="KeyboardLeftRight" type="TextureRect" parent="PanelContainer/Grid" groups=["joypad"]]
+[node name="KeyboardLeftRight" type="TextureRect" parent="PanelContainer/Grid"]
 layout_mode = 2
 texture = ExtResource("2_w3q02")
 
@@ -65,7 +67,7 @@ horizontal_alignment = 2
 layout_mode = 2
 texture = ExtResource("3_kfgte")
 
-[node name="KeyboardUpDown" type="TextureRect" parent="PanelContainer/Grid" groups=["joypad"]]
+[node name="KeyboardUpDown" type="TextureRect" parent="PanelContainer/Grid"]
 layout_mode = 2
 texture = ExtResource("4_r850h")
 
@@ -78,7 +80,7 @@ horizontal_alignment = 2
 layout_mode = 2
 texture = ExtResource("5_hnd0v")
 
-[node name="KeyboardEnter" type="TextureRect" parent="PanelContainer/Grid" groups=["joypad"]]
+[node name="KeyboardEnter" type="TextureRect" parent="PanelContainer/Grid"]
 layout_mode = 2
 texture = ExtResource("10_kj4r4")
 
@@ -87,7 +89,7 @@ layout_mode = 2
 text = "Start visitor timer"
 horizontal_alignment = 2
 
-[node name="JoypadB" type="TextureRect" parent="PanelContainer/Grid"]
+[node name="JoypadB" type="TextureRect" parent="PanelContainer/Grid" groups=["joypad"]]
 layout_mode = 2
 texture = ExtResource("6_ycckv")