-- Copyright (c) 2005,2007,2008 Jean-Philippe Bernardy -- | This module aims at a mode that should be (mostly) intuitive to -- emacs users, but mapping things into the Yi world when -- convenient. Hence, do not go into the trouble of trying 100% -- emulation. For example, M-x gives access to Yi (Haskell) functions, -- with their native names. module Yi.Keymap.Emacs (keymap) where import Control.Applicative import Yi.Buffer import Yi.Buffer.HighLevel import Yi.Buffer.Normal import Yi.Core import Yi.Dired import Yi.Editor import Yi.Keymap.Keys import Yi.File import Yi.Misc import Yi.TextCompletion import Yi.Keymap.Keys import Yi.Keymap.Emacs.KillRing import Yi.Keymap.Emacs.UnivArgument import Yi.Keymap.Emacs.Utils ( askQuitEditor , adjIndent , evalRegionE , executeExtendedCommandE , findFile , insertNextC , insertSelf , isearchKeymap , killBufferE , queryReplaceE , readArgC , scrollDownE , scrollUpE , cabalConfigureE , switchBufferE , withMinibuffer ) import Yi.Accessor import Yi.Buffer import Yi.Buffer.Normal import Data.Maybe import Control.Monad import Control.Applicative keymap :: Keymap keymap = selfInsertKeymap <|> emacsKeys <|> completionKm selfInsertKeymap :: Keymap selfInsertKeymap = do c <- printableChar write (adjBlock 1 >> insertSelf c) completionKm :: Keymap completionKm = do some (adjustPriority (-1) (meta (char '/') ?>>! wordComplete)) write resetComplete -- 'adjustPriority' is there to lift the ambiguity between "continuing" completion -- and resetting it (restarting at the 1st completion). placeMark :: BufferM () placeMark = do setA highlightSelectionA True pointB >>= setSelectionMarkPointB deleteB' :: YiM () deleteB' = do (adjBlock (-1) >> withBuffer (deleteN 1)) emacsKeys :: Keymap emacsKeys = choice [ -- First all the special key bindings spec KTab ?>>! (adjIndent DecreaseCycle) , (shift $ spec KTab) ?>>! (adjIndent IncreaseCycle) , spec KEnter ?>>! (repeatingArg $ insertB '\n') , spec KDel ?>>! (repeatingArg deleteB') , spec KBS ?>>! (repeatingArg (adjBlock (-1) >> withBuffer bdeleteB)) , spec KHome ?>>! (repeatingArg moveToSol) , spec KEnd ?>>! (repeatingArg moveToEol) , spec KLeft ?>>! (repeatingArg leftB) , spec KRight ?>>! (repeatingArg rightB) , spec KUp ?>>! (repeatingArg $ moveB VLine Backward) , spec KDown ?>>! (repeatingArg $ moveB VLine Forward) , spec KPageDown ?>>! (repeatingArg downScreenB) , spec KPageUp ?>>! (repeatingArg upScreenB) -- All the keybindings of the form 'Ctrl + special key' , (ctrl $ spec KLeft) ?>>! (repeatingArg prevWordB) , (ctrl $ spec KRight) ?>>! (repeatingArg nextWordB) , (ctrl $ spec KHome) ?>>! (repeatingArg topB) , (ctrl $ spec KEnd) ?>>! (repeatingArg botB) , (ctrl $ spec KUp) ?>>! (repeatingArg $ prevNParagraphs 1) , (ctrl $ spec KDown) ?>>! (repeatingArg $ nextNParagraphs 1) -- All the keybindings of the form "C-c" where 'c' is some character , ctrlCh '@' ?>>! placeMark , ctrlCh ' ' ?>>! placeMark , ctrlCh '/' ?>>! repeatingArg undoB , ctrlCh '_' ?>>! repeatingArg undoB , ctrlCh 'a' ?>>! (repeatingArg (maybeMoveB Line Backward)) , ctrlCh 'b' ?>>! (repeatingArg leftB) , ctrlCh 'd' ?>>! (repeatingArg deleteB') , ctrlCh 'e' ?>>! (repeatingArg (maybeMoveB Line Forward)) , ctrlCh 'f' ?>>! (repeatingArg rightB) , ctrlCh 'g' ?>>! (setVisibleSelection False) , ctrlCh 'i' ?>>! (adjIndent IncreaseOnly) , ctrlCh 'j' ?>>! (repeatingArg $ insertB '\n') , ctrlCh 'k' ?>>! killLineE , ctrlCh 'm' ?>>! (repeatingArg $ insertB '\n') , ctrlCh 'n' ?>>! (repeatingArg $ moveB VLine Forward) , ctrlCh 'o' ?>>! (repeatingArg (insertB '\n' >> leftB)) , ctrlCh 'p' ?>>! (repeatingArg $ moveB VLine Backward) , ctrlCh 'q' ?>> insertNextC , ctrlCh 'r' ?>> (isearchKeymap Backward) , ctrlCh 's' ?>> (isearchKeymap Forward) , ctrlCh 't' ?>>! (repeatingArg $ swapB) , ctrlCh 'u' ?>> readArgC , ctrlCh 'v' ?>>! scrollDownE , ctrlCh 'w' ?>>! killRegion , ctrlCh 'y' ?>>! yankE , ctrlCh 'z' ?>>! suspendEditor -- All the keybindings of the form "C-M-c" where 'c' is some character , ( ctrl $ metaCh 'w') ?>>! appendNextKillE -- All the key-bindings which are preceded by a 'C-x' , ctrlCh 'x' ?>> ctrlX -- All The key-bindings of the form M-c where 'c' is some character. , metaCh 'v' ?>>! scrollUpE , metaCh '!' ?>>! shellCommandE , metaCh 'p' ?>>! cabalConfigureE , metaCh '<' ?>>! (repeatingArg topB) , metaCh '>' ?>>! (repeatingArg botB) , metaCh '%' ?>>! queryReplaceE -- metaCh 'a' ?>>! (repeatingArg backwardSentenceE) , metaCh 'b' ?>>! (repeatingArg prevWordB) , metaCh 'c' ?>>! (repeatingArg capitaliseWordB) , metaCh 'd' ?>>! (repeatingArg killWordB) -- , metaCh 'e' ?>>! (repeatingArg forwardSentenceE) , metaCh 'f' ?>>! (repeatingArg nextWordB) -- , metaCh 'h' ?>>! (repeatingArg markParagraphE) -- , metaCh 'k' ?>>! (repeatingArg killSentenceE) , metaCh 'l' ?>>! (repeatingArg lowercaseWordB) , metaCh 'q' ?>>! (withSyntax modePrettify) , metaCh 'u' ?>>! (repeatingArg uppercaseWordB) , metaCh 't' ?>>! (repeatingArg $ transposeB Word Forward) , metaCh 'w' ?>>! killRingSaveE , metaCh 'x' ?>>! executeExtendedCommandE , metaCh 'y' ?>>! yankPopE -- Other meta key-bindings , meta (spec KBS) ?>>! (repeatingArg bkillWordB) , metaCh 'g' ?>> char 'g' ?>>! gotoLn ] where -- These keybindings are all preceded by a 'C-x' so for example to -- quit the editor we do a 'C-x C-c' ctrlX = choice [ ctrlCh 'o' ?>>! deleteBlankLinesB , char '^' ?>>! (repeatingArg enlargeWinE) , char '0' ?>>! closeWindow , char '1' ?>>! closeOtherE , char '2' ?>>! splitE , ctrlCh 'c' ?>>! askQuitEditor , ctrlCh 'f' ?>>! findFile , ctrlCh 's' ?>>! fwriteE , ctrlCh 'w' ?>>! (withMinibuffer "Write file: " (matchingFileNames Nothing) fwriteToE ) , ctrlCh 'x' ?>>! (exchangePointAndMarkB >> setA highlightSelectionA True) , char 'b' ?>>! switchBufferE , char 'd' ?>>! dired , char 'e' ?>> char 'e' ?>>! evalRegionE , char 'o' ?>>! nextWinE , char 'k' ?>>! killBufferE -- , char 'r' ?>> -- char 'k' ?>>! killRectE -- , char 'r' ?>> -- char 'o' ?>>! openRectE -- , char 'r' ?>> -- char 't' ?>>! stringRectE -- , char 'r' ?>> -- char 'y' ?>>! yankRectE , char 'u' ?>>! (repeatingArg undoB) , char 'v' ?>>! (repeatingArg shrinkWinE) ]