fixed slider issue in A11y settings, moved script to it's own file

src/logic-scenes/startup/accessibility_container.gd

@@ -0,0 +1,44 @@
+extends TabContainer
+
+var focus_list: Array
+
+func _ready():
+	for child in get_children():
+		focus_list.append(_find_selectable_in(child))
+
+func _find_selectable_in(parent:Control):
+	if parent.focus_mode != FOCUS_NONE: 
+		return parent
+	if parent.get_child_count() == 0: 
+		return self
+	else:
+		for child in parent.get_children():
+			var ret = _find_selectable_in(child)
+			if not ret == self:
+				return ret
+	
+func _unhandled_input(event):
+	
+	if event.is_action_type():
+		if event.is_action_pressed("ui_left"): previous()
+		elif event.is_action_pressed("ui_right"): next()
+
+func next():
+	if current_tab < get_tab_count()-1:
+		if !Input.is_action_just_released("mouse_left"):
+			if not get_viewport().gui_get_focus_owner() == null:
+				focus_list[current_tab] = get_viewport().gui_get_focus_owner()
+			current_tab += 1
+			focus_list[current_tab].grab_focus()
+		else:
+			current_tab += 1
+	
+func previous():
+	if current_tab > 0:
+		if !Input.is_mouse_button_pressed(MOUSE_BUTTON_LEFT):
+			if not get_viewport().gui_get_focus_owner() == null:
+				focus_list[current_tab] = get_viewport().gui_get_focus_owner()
+			current_tab -= 1
+			focus_list[current_tab].grab_focus()
+		else:
+			current_tab -= 1

src/logic-scenes/startup/startup.tscn

@@ -5,7 +5,7 @@
 [ext_resource type="Script" path="res://logic-scenes/startup/volume_sliders.gd" id="3_q2gbh"]
 [ext_resource type="Texture2D" uid="uid://bwicl5q0lw06q" path="res://logic-scenes/startup/start_bottom.png" id="3_s5ssh"]
 
-[sub_resource type="GDScript" id="GDScript_8885d"]
+[sub_resource type="GDScript" id="GDScript_ia432"]
 script/source = "extends TabContainer
 
 var focus_list: Array
@@ -127,9 +127,10 @@ layout_mode = 2
 layout_mode = 2
 tabs_visible = false
 use_hidden_tabs_for_min_size = true
-script = SubResource("GDScript_8885d")
+script = SubResource("GDScript_ia432")
 
 [node name="physical Accessibility" type="VBoxContainer" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer"]
+visible = false
 layout_mode = 2
 
 [node name="Label" type="Label" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer/physical Accessibility"]
@@ -231,7 +232,6 @@ disabled = true
 text = "go back"
 
 [node name="Audio Settings" type="VBoxContainer" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer"]
-visible = false
 layout_mode = 2
 
 [node name="Label" type="Label" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer/Audio Settings"]
@@ -266,8 +266,9 @@ layout_mode = 2
 size_flags_horizontal = 3
 size_flags_vertical = 4
 max_value = 2.0
-step = 0.0
+step = 0.05
 value = 1.0
+ticks_on_borders = true
 script = ExtResource("3_q2gbh")
 
 [node name="Label3" type="Label" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer/Audio Settings/VBoxContainer/GridContainer"]
@@ -279,7 +280,7 @@ layout_mode = 2
 size_flags_horizontal = 3
 size_flags_vertical = 4
 max_value = 2.0
-step = 0.0
+step = 0.05
 value = 1.0
 
 [node name="Label4" type="Label" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer/Audio Settings/VBoxContainer/GridContainer"]
@@ -292,7 +293,7 @@ layout_mode = 2
 size_flags_horizontal = 3
 size_flags_vertical = 4
 max_value = 2.0
-step = 0.0
+step = 0.05
 value = 1.0
 
 [node name="Audio Sliders" type="HBoxContainer" parent="CenterContainer/PanelContainer/VBoxContainer/TabContainer/Audio Settings/VBoxContainer"]