Add disable-hclip function

yi-core/src/Yi/Clip.hs

@@ -0,0 +1,52 @@
+{-# OPTIONS_HADDOCK show-extensions #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+-- |
+-- Module      :  Yi.Clip
+-- License     :  GPL-2
+-- Maintainer  :  [email protected]
+-- Stability   :  experimental
+-- Portability :  portable
+--
+-- A proxy of clipboard.
+
+module Yi.Clip ( setClipboard
+               , getClipboard
+               )
+    where
+
+import qualified System.Hclip        as H (getClipboard, setClipboard)
+import           Data.IORef
+import           System.IO.Unsafe
+
+import           Yi.Types            (configDisableSystemClipboard, askCfg)
+import           Yi.Utils            (io)
+import           Yi.Keymap           (YiM)
+import qualified Yi.Rope             as R (YiString, fromString, toString)
+
+
+-- |
+-- This is just used for emulating system clipbord.
+-- Do not release this IORef variable outside this module.
+clipboard :: IORef R.YiString
+clipboard = unsafePerformIO $ newIORef ""
+
+getClipboard' :: IO R.YiString
+getClipboard' = readIORef clipboard
+
+setClipboard' :: R.YiString -> IO ()
+setClipboard' = writeIORef clipboard
+
+getClipboard :: YiM R.YiString
+getClipboard = do
+  config <- askCfg
+  if configDisableSystemClipboard config
+  then io getClipboard'
+  else io $ fmap R.fromString $ H.getClipboard
+
+setClipboard :: R.YiString -> YiM ()
+setClipboard text = do
+  config <- askCfg
+  if configDisableSystemClipboard config
+  then io $ setClipboard' text
+  else io $ H.setClipboard $ R.toString text

yi-core/src/Yi/Config/Default.hs

@@ -108,6 +108,7 @@ defaultConfig =
          , bufferUpdateHandler = mempty
          , layoutManagers = [hPairNStack 1, vPairNStack 1, tall, wide]
          , configVars = mempty
+         , configDisableSystemClipboard = False
          }
 
 nilKeymap :: Keymap

yi-core/src/Yi/Config/Simple.hs

@@ -148,7 +148,8 @@ import           Yi.Config(Config, UIConfig, startFrontEndA, configUIA,
                            CursorStyle(..), configLeftSideScrollBarA,
                            configAutoHideScrollBarA, configAutoHideTabBarA,
                            configLineWrapA, configWindowFillA, configThemeA,
-                           layoutManagersA, configVarsA, configLineNumbersA
+                           layoutManagersA, configVarsA, configLineNumbersA,
+                           configDisableSystemClipboardA
                            )
 
 

yi-core/src/Yi/Types.hs

@@ -434,8 +434,11 @@ data Config = Config {startFrontEnd :: UIBoot,
                       bufferUpdateHandler :: !(S.Seq (S.Seq Update -> BufferM ())),
                       layoutManagers :: ![AnyLayoutManager],
                       -- ^ List of layout managers for 'cycleLayoutManagersNext'
-                      configVars :: !ConfigState.DynamicState
+                      configVars :: !ConfigState.DynamicState,
                       -- ^ Custom configuration, containing the 'YiConfigVariable's. Configure with 'configVariableA'.
+                      configDisableSystemClipboard :: !Bool
+                      -- ^ Set to 'True' not to use system clipboard.
+                      -- When vty-mode, system clipboard is not available in some environments.
                      }
 
 

yi-core/yi-core.cabal

@@ -54,6 +54,7 @@ library
     , yi-language >= 0.17
     , yi-rope >= 0.10
     , exceptions
+    , Hclip
   if flag(hint)
     cpp-options: -DHINT
     build-depends:
@@ -74,6 +75,7 @@ library
       Yi.Buffer.Region
       Yi.Buffer.TextUnit
       Yi.Buffer.Undo
+      Yi.Clip
       Yi.Command
       Yi.Command.Help
       Yi.Completion

yi-keymap-emacs/src/Yi/Keymap/Emacs/KillRing.hs

@@ -19,10 +19,10 @@ import           Yi.Buffer
 import           Yi.Editor           (EditorM, killringA, withCurrentBuffer)
 import           Yi.Keymap           (YiM)
 import           Yi.KillRing         (Killring (_krContents), krKilled, krPut)
-import qualified Yi.Rope             as R (YiString, fromString, toString)
+import           Yi.Clip             (getClipboard, setClipboard)
+import qualified Yi.Rope             as R (YiString)
 import           Yi.Types            (withEditor)
 import           Yi.Utils            (io)
-import           System.Hclip        (getClipboard, setClipboard)
 
 uses :: forall a b f s. MonadState s f => Getting a s a -> (a -> b) -> f b
 uses l f = f <$> use l
@@ -32,7 +32,7 @@ uses l f = f <$> use l
 -- | Adds system clipboard's contents on top of the killring if not already there
 clipboardToKillring :: YiM ()
 clipboardToKillring = do
-  text <- fmap R.fromString $ io getClipboard
+  text <- getClipboard
   withEditor $ do
     text' <- killringGet
     when (text' /= text) $ killringPut Forward text
@@ -41,7 +41,7 @@ clipboardToKillring = do
 killringToClipboard :: YiM ()
 killringToClipboard = do
   text <- withEditor killringGet
-  io . setClipboard $ R.toString text
+  setClipboard text
 
 -- This is like @kill-region-or-backward-word@.
 killRegionB :: BufferM ()

yi-keymap-emacs/yi-keymap-emacs.cabal

@@ -21,7 +21,6 @@ library
       base >= 4.8 && < 5
     , containers
     , filepath
-    , Hclip
     , microlens-platform
     , mtl
     , oo-prototypes

yi-keymap-vim/src/Yi/Keymap/Vim/Ex/Commands/Copy.hs

@@ -23,7 +23,7 @@ import           Yi.Types                         (YiM, BufferM)
 import           Yi.Rope                          (toString)
 import           Yi.Buffer.Region                 (readRegionB, Region)
 import           Control.Monad.Base               (liftBase)
-import           System.Hclip                     (setClipboard)
+import           Yi.Clip                          (setClipboard)
 import           Yi.Core                          (errorEditor)
 
 parse :: EventString -> Maybe ExCommand
@@ -38,5 +38,5 @@ parse = Common.parse $ do
 copy :: Maybe (BufferM Region) -> YiM ()
 copy maybeGetRegion = case maybeGetRegion of
     Nothing -> errorEditor "Cannot copy: No region"
-    Just getRegion -> liftBase . setClipboard . toString 
+    Just getRegion -> setClipboard
       =<< withCurrentBuffer (readRegionB =<< getRegion)

yi-keymap-vim/src/Yi/Keymap/Vim/Utils.hs

@@ -50,7 +50,7 @@ import           Yi.Monad                 (whenM)
 import           Yi.Rope                  (YiString, countNewLines, last)
 import qualified Yi.Rope                  as R (replicateChar, snoc, toString, fromString)
 import           Yi.Utils                 (io)
-import           System.Hclip             (getClipboard, setClipboard)
+import           Yi.Clip                  (getClipboard, setClipboard)
 
 -- 'mkBindingE' and 'mkBindingY' are helper functions for bindings
 -- where VimState mutation is not dependent on action performed
@@ -208,11 +208,10 @@ addNewLineIfNecessary rope =
 
 pasteFromClipboard :: YiM ()
 pasteFromClipboard = do
-  text <- fmap R.fromString $ io getClipboard
+  text <- getClipboard
   withCurrentBuffer $ insertRopeWithStyleB text Inclusive
 
 exportRegisterToClipboard :: RegisterName -> YiM ()
 exportRegisterToClipboard name = do
   mbr <- withEditor $ getRegisterE name
-  io . setClipboard $ maybe "" (R.toString . regContent) mbr
-
+  setClipboard $ maybe "" regContent mbr

yi-keymap-vim/yi-keymap-vim.cabal

@@ -56,7 +56,6 @@ library
     , data-default
     , directory
     , filepath
-    , Hclip
     , microlens-platform
     , mtl
     , oo-prototypes
@@ -141,7 +140,6 @@ test-suite spec
     , data-default
     , directory
     , filepath
-    , Hclip
     , microlens-platform
     , mtl
     , oo-prototypes