Updated hledger-ui to use brick-0.16 (#479)

brick-0.16 uses Brick.BChan.BChan instead of Control.Concurrent.Chan.Chan.

hledger-ui/Hledger/UI/Main.hs

@@ -3,6 +3,7 @@ hledger-ui - a hledger add-on providing a curses-style interface.
 Copyright (c) 2007-2015 Simon Michael <simon@joyful.com>
 Released under GPL version 3 or later.
 -}
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
@@ -11,7 +12,7 @@ module Hledger.UI.Main where
 
 -- import Control.Applicative
 -- import Lens.Micro.Platform ((^.))
-import Control.Concurrent
+import Control.Concurrent (threadDelay)
 import Control.Concurrent.Async
 import Control.Monad
 -- import Control.Monad.IO.Class (liftIO)
@@ -30,6 +31,12 @@ import System.FilePath
 import System.FSNotify
 import Brick
 
+#if MIN_VERSION_brick(0,16,0)
+import qualified Brick.BChan as BC
+#else
+import Control.Concurrent.Chan (newChan, writeChan)
+#endif
+
 import Hledger
 import Hledger.Cli hiding (progname,prognameandversion,green)
 import Hledger.UI.UIOptions
@@ -41,6 +48,15 @@ import Hledger.UI.RegisterScreen
 
 ----------------------------------------------------------------------
 
+#if MIN_VERSION_brick(0,16,0)
+newChan :: IO (BC.BChan a)
+newChan = BC.newBChan 10
+
+writeChan :: BC.BChan a -> a -> IO ()
+writeChan = BC.writeBChan
+#endif
+
+
 main :: IO ()
 main = do
   opts <- getHledgerUIOpts

hledger-ui/hledger-ui.cabal

@@ -85,7 +85,7 @@ executable hledger-ui
     buildable: False
   else
     build-depends:
-        brick >= 0.12 && < 0.16
+        brick >= 0.12 && < 0.17
       , vty >= 5.5 && < 5.15
   if flag(threaded)
     ghc-options: -threaded

hledger-ui/package.yaml

@@ -88,7 +88,7 @@ executables:
           buildable: false
         else:
           dependencies:
-            - brick >= 0.12 && < 0.16
+            - brick >= 0.12 && < 0.17
             - vty >= 5.5 && < 5.15
       - condition: flag(threaded)
         ghc-options: -threaded

stack.yaml

@@ -11,7 +11,7 @@ packages:
 
 extra-deps:
 # for hledger-ui:
-- brick-0.15.2
+- brick-0.16
 - vty-5.14
 - text-zipper-0.8.1
 # for hledger-web: