flip arguments of focus{Prev,Next}

2 files changed, 12 insertions, 12 deletions

diff --git a/ThreadView.hs b/ThreadView.hs
index e2b1a4b..091c2d0 100644
--- a/ThreadView.hs
+++ b/ThreadView.hs
@@ -86,17 +86,17 @@ describe (TVMessagePart _ p) = "TVMessagePart " <> show (partID p)
 --  where
 --    msgs = flatten t
 
-focusPrev :: Maybe ThreadView -> Tree ThreadView -> Maybe ThreadView
-focusPrev Nothing v = lastMay (flatten v)
-focusPrev (Just cur) v = do
+focusPrev :: Tree ThreadView -> Maybe ThreadView -> Maybe ThreadView
+focusPrev v Nothing = lastMay (flatten v)
+focusPrev v (Just cur) = do
     i <- elemIndex cur items
     maybe (lastMay items) Just $ atMay items (i - 1)
   where
     items = flatten v
 
-focusNext :: Maybe ThreadView -> Tree ThreadView -> Maybe ThreadView
-focusNext Nothing v = headMay (flatten v)
-focusNext (Just cur) v = do
+focusNext :: Tree ThreadView -> Maybe ThreadView -> Maybe ThreadView
+focusNext v Nothing = headMay (flatten v)
+focusNext v (Just cur) = do
     i <- elemIndex cur items
     maybe (headMay items) Just $ atMay items (i + 1)
   where
diff --git a/test3.hs b/test3.hs
index 3dfa036..f5b600a 100644
--- a/test3.hs
+++ b/test3.hs
@@ -143,25 +143,25 @@ main =
         update vty pic
         nextEvent vty >>= \e -> case e of
             EvKey KUp [] ->
-                --case focusPrev t_cur t of
-                --case focusPrev c v of
+                --case focusPrev t t_cur of
+                --case focusPrev v c of
                 --    Just t_prev ->
                 --        --rec vty t_prev t
                 --        rec vty (i + 1) t_prev v
                 --    Nothing ->
                 --        --rec vty t_cur t
                 --        rec vty (i + 1) c v
-                rec vty (i + 1) (focusPrev c v) v
+                rec vty (i + 1) (focusPrev v c) v
             EvKey KDown [] ->
-                --case focusNext t_cur t of
-                --case focusNext c v of
+                --case focusNext t t_cur of
+                --case focusNext v c of
                 --    Just t_next ->
                 --        --rec vty t_next t
                 --        rec vty (i + 1) t_next v
                 --    Nothing ->
                 --        --rec vty t_cur t
                 --        rec vty (i + 1) c v
-                rec vty (i + 1) (focusNext c v) v
+                rec vty (i + 1) (focusNext v c) v
             EvKey KEnter [] ->
                 case c of
                     Nothing -> error "no cursor"