feat(xanthous): Add a command to describe an item in the inventory r/2680

Add a new DescribeInventory command, bound to I, to prompt for an item
in the inventory (anywhere in the inventory, including wielded) and
display a (new) panel describing it in detail. This description includes
the description, the long description, and the item's physical
properties (volume, density, and weight).

Change-Id: Idc1a05ab16b4514728d42aa6b520f93bea807c07
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3227
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI

1 files changed, 8 insertions, 2 deletions

diff --git a/users/grfn/xanthous/src/Xanthous/Data/App.hs b/users/grfn/xanthous/src/Xanthous/Data/App.hs
index 0361d2a59e..a2cfcb8001 100644
--- a/users/grfn/xanthous/src/Xanthous/Data/App.hs
+++ b/users/grfn/xanthous/src/Xanthous/Data/App.hs
@@ -8,6 +8,7 @@ module Xanthous.Data.App
 import Xanthous.Prelude
 --------------------------------------------------------------------------------
 import Test.QuickCheck
+import Test.QuickCheck.Instances.Text ()
 import Data.Aeson (ToJSON, FromJSON)
 --------------------------------------------------------------------------------
 import Xanthous.Util.QuickCheck
@@ -15,8 +16,13 @@ import Xanthous.Util.QuickCheck
 
 -- | Enum for "panels" displayed in the game's UI.
 data Panel
-  = InventoryPanel -- ^ A panel displaying the character's inventory
-  deriving stock (Show, Eq, Ord, Generic, Enum, Bounded)
+  = -- | A panel displaying the character's inventory
+    InventoryPanel
+  | -- | A panel describing an item in the inventory in detail
+    --
+    -- The argument is the full description of the item
+    ItemDescriptionPanel Text
+  deriving stock (Show, Eq, Ord, Generic)
   deriving anyclass (NFData, CoArbitrary, Function, ToJSON, FromJSON)
   deriving Arbitrary via GenericArbitrary Panel