Initial commit

Half-baked state. Most of the UI is mostly done, but the integration
with Grist (or any other data provider) is still missing.

cart_list_entry.tscn

@@ -0,0 +1,28 @@
+[gd_scene load_steps=2 format=3 uid="uid://bhbwvjxkc7wnm"]
+
+[ext_resource type="Script" uid="uid://fqmbfgwbwxyr" path="res://cart_list_entry.gd" id="1_on5si"]
+
+[node name="CartListEntry" type="PanelContainer"]
+offset_right = 40.0
+offset_bottom = 40.0
+size_flags_horizontal = 3
+script = ExtResource("1_on5si")
+
+[node name="HBoxContainer" type="HBoxContainer" parent="."]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="HBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="DeleteButton" type="Button" parent="HBoxContainer"]
+layout_mode = 2
+theme_override_colors/font_hover_pressed_color = Color(1, 0, 0, 1)
+theme_override_colors/font_hover_color = Color(1, 0, 0, 1)
+theme_override_colors/font_color = Color(1, 0, 0, 1)
+theme_override_colors/font_focus_color = Color(1, 0, 0, 1)
+theme_override_colors/font_pressed_color = Color(1, 0, 0, 1)
+text = "X"
+
+[connection signal="pressed" from="HBoxContainer/DeleteButton" to="." method="_on_delete_button"]