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Merge pull request #505 from slotThe/hl-item

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X.Prompt: Special handling of one highlighted item
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slotThe
2021-04-07 15:26:56 +02:00
committed by GitHub
parent 78b6df0e69 780360abf0
commit c5ccb1a7ef
1 changed files with 4 additions and 3 deletions
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7
XMonad/Prompt.hs
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@@ -410,9 +410,10 @@ highlightedItem st' completions = case complWinDim st' of
(_,_,_,_,xx,yy) = winDim
complMatrix = splitInSubListsAt (length yy) (take (length xx * length yy) completions)
(col_index,row_index) = complIndex st'
in case completions of
[] -> Nothing
_ -> complMatrix !? col_index >>= (!? row_index)
in case length completions of
0 -> Nothing
1 -> Just $ complMatrix !! col_index !! row_index
_ -> complMatrix !? col_index >>= (!? row_index)
where
-- | Safe version of '(!!)'.
(!?) :: [a] -> Int -> Maybe a