35 lines
1.1 KiB
Haskell
35 lines
1.1 KiB
Haskell
{- |
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mtlstats
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Copyright (C) Rhéal Lamothe
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<rheal.lamothe@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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-}
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module Mtlstats.Handlers (ynHandler) where
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import Brick.Types (BrickEvent (VtyEvent))
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import Data.Char (toUpper)
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import Graphics.Vty.Input.Events (Event (EvKey), Key (KChar))
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-- | Handler for a yes/no prompt
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ynHandler :: BrickEvent () () -> Maybe Bool
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ynHandler (VtyEvent (EvKey (KChar c) _)) = case toUpper c of
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'Y' -> Just True
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'N' -> Just False
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_ -> Nothing
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ynHandler _ = Nothing
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