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"write failure creating $CONFIG_STATUS" "$LINENO" 5 # configure is writing to config.log, and then calls config.status. # config.status does its own redirection, appending to config.log. # Unfortunately, on DOS this fails, as config.log is still kept open # by configure, so config.status won't be able to write to it; its # output is simply discarded. So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || as_fn_exit 1 fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi terminfo-0.3.2.5/configure.ac0000644000000000000000000000341712010622464014160 0ustar0000000000000000AC_INIT([Haskell terminfo package], [0.2], [judah dot jacobson at gmail dot com], [terminfo]) AC_ARG_WITH([curses-includes], [AC_HELP_STRING([--with-curses-includes], [directory containing curses.h])], [curses_includes=$withval], [curses_includes=NONE]) AC_ARG_WITH([curses-libraries], [AC_HELP_STRING([--with-curses-libraries], [directory containing curses library])], [curses_libraries=$withval], [curses_libraries=NONE]) TERMINFO_INCLUDE_DIRS= TERMINFO_LIB_DIRS= if test "x$curses_libraries" != "xNONE"; then LDFLAGS="-L$curses_libraries $LDFLAGS" TERMINFO_LIB_DIRS=$curses_libraries fi if test "x$curses_includes" != "xNONE"; then CPPFLAGS="-I$curses_includes $CPPFLAGS" TERMINFO_INCLUDE_DIRS=$curses_includes fi AC_ARG_WITH([cc], [C compiler], [CC=$withval]) AC_PROG_CC() AC_CHECK_HEADER(ncurses.h, CursesIncludes='ncurses.h', [AC_CHECK_HEADER(curses.h, CursesIncludes='curses.h', HaveCursesH=NO)]) # on Solaris, curses.h must be imported before term.h. if test "x$HaveCursesH" = xNO ; then AC_MSG_FAILURE([curses headers could not be found, so this package cannot be built]) else TERMINFO_INCLUDES="$CursesIncludes term.h" fi AC_CHECK_LIB(ncursesw, setupterm, HaveLibCurses=YES; LibCurses=ncursesw, [AC_CHECK_LIB(ncurses, setupterm, HaveLibCurses=YES; LibCurses=ncurses, [AC_CHECK_LIB(curses, setupterm, HaveLibCurses=YES; LibCurses=curses, HaveLibCurses=NO; LibCurses=not-installed)])]) if test "x$HaveLibCurses" = "xNO" ; then AC_MSG_FAILURE([curses library not found, so this package cannot be built]) else TERMINFO_LIB=$LibCurses fi AC_SUBST(TERMINFO_INCLUDES) AC_SUBST(TERMINFO_INCLUDE_DIRS) AC_SUBST(TERMINFO_LIB_DIRS) AC_SUBST(TERMINFO_LIB) AC_CONFIG_FILES([terminfo.buildinfo]) AC_OUTPUT terminfo-0.3.2.5/LICENSE0000644000000000000000000000236312010622464012676 0ustar0000000000000000Copyright 2007, Judah Jacobson. All Rights Reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistribution of source code must retain the above copyright notice, this list of conditions and the following disclamer. - Redistribution in binary form must reproduce the above copyright notice, this list of conditions and the following disclamer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. terminfo-0.3.2.5/Setup.lhs0000644000000000000000000000017612010622464013501 0ustar0000000000000000#!/usr/local/bin/runhaskell \begin{code} import Distribution.Simple main = defaultMainWithHooks autoconfUserHooks \end{code} terminfo-0.3.2.5/terminfo.buildinfo.in0000644000000000000000000000021012010622464016003 0ustar0000000000000000includes: @TERMINFO_INCLUDES@ include-dirs: @TERMINFO_INCLUDE_DIRS@ extra-lib-dirs: @TERMINFO_LIB_DIRS@ extra-libraries: @TERMINFO_LIB@ terminfo-0.3.2.5/terminfo.cabal0000644000000000000000000000265312010622464014502 0ustar0000000000000000Name: terminfo Cabal-Version: >=1.4 Version: 0.3.2.5 Category: User Interfaces License: BSD3 License-File: LICENSE Copyright: (c) Judah Jacobson Author: Judah Jacobson Maintainer: Judah Jacobson Category: User Interfaces Synopsis: Haskell bindings to the terminfo library. Description: This library provides an interface to the terminfo database (via bindings to the curses library). Terminfo allows POSIX systems to interact with a variety of terminals using a standard set of capabilities. Homepage: http://code.haskell.org/terminfo Stability: Experimental Build-type: Configure extra-source-files: configure.ac configure terminfo.buildinfo.in extra-tmp-files: config.log config.status autom4te.cache terminfo.buildinfo Library Build-depends: base >= 4.0 && < 5 Extensions: CPP, ForeignFunctionInterface, DeriveDataTypeable, EmptyDataDecls, ScopedTypeVariables, FlexibleInstances ghc-options: -Wall Exposed-Modules: System.Console.Terminfo System.Console.Terminfo.Base System.Console.Terminfo.Cursor System.Console.Terminfo.Color System.Console.Terminfo.Edit System.Console.Terminfo.Effects System.Console.Terminfo.Keys terminfo-0.3.2.5/System/0000755000000000000000000000000012010622464013151 5ustar0000000000000000terminfo-0.3.2.5/System/Console/0000755000000000000000000000000012010622464014553 5ustar0000000000000000terminfo-0.3.2.5/System/Console/Terminfo.hs0000644000000000000000000000125112010622464016671 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Safe #-} #endif {- | Maintainer : judah.jacobson@gmail.com Stability : experimental Portability : portable (FFI) -} module System.Console.Terminfo( module System.Console.Terminfo.Base, module System.Console.Terminfo.Keys, module System.Console.Terminfo.Cursor, module System.Console.Terminfo.Effects, module System.Console.Terminfo.Edit, module System.Console.Terminfo.Color ) where import System.Console.Terminfo.Base import System.Console.Terminfo.Keys import System.Console.Terminfo.Cursor import System.Console.Terminfo.Edit import System.Console.Terminfo.Effects import System.Console.Terminfo.Color terminfo-0.3.2.5/System/Console/Terminfo/0000755000000000000000000000000012010622464016336 5ustar0000000000000000terminfo-0.3.2.5/System/Console/Terminfo/Base.hs0000644000000000000000000003211712010622464017550 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Trustworthy #-} #endif -- | -- Maintainer : judah.jacobson@gmail.com -- Stability : experimental -- Portability : portable (FFI) -- -- This module provides a low-level interface to the C functions of the -- terminfo library. -- -- NOTE: Since this library is built on top of the curses interface, it is not thread-safe. module System.Console.Terminfo.Base( -- * Initialization Terminal(), setupTerm, setupTermFromEnv, SetupTermError, -- * Capabilities Capability, getCapability, tiGetFlag, tiGuardFlag, tiGetNum, tiGetStr, -- * Output -- $outputdoc tiGetOutput1, OutputCap, TermStr, -- ** TermOutput TermOutput(), runTermOutput, hRunTermOutput, termText, tiGetOutput, LinesAffected, -- ** Monoid functions Monoid(..), (<#>), ) where import Control.Monad import Data.Monoid import Foreign.C import Foreign.ForeignPtr import Foreign.Ptr import Foreign.Marshal import Foreign.Storable (peek,poke) import System.Environment (getEnv) import System.IO.Unsafe (unsafePerformIO) import System.IO import Control.Exception import Data.Typeable data TERMINAL newtype Terminal = Terminal (ForeignPtr TERMINAL) foreign import ccall "&" cur_term :: Ptr (Ptr TERMINAL) foreign import ccall set_curterm :: Ptr TERMINAL -> IO (Ptr TERMINAL) foreign import ccall "&" del_curterm :: FunPtr (Ptr TERMINAL -> IO ()) foreign import ccall setupterm :: CString -> CInt -> Ptr CInt -> IO () -- | Initialize the terminfo library to the given terminal entry. -- -- Throws a 'SetupTermError' if the terminfo database could not be read. setupTerm :: String -> IO Terminal setupTerm term = bracket (peek cur_term) (poke cur_term) $ \_ -> withCString term $ \c_term -> with 0 $ \ret_ptr -> do -- NOTE: I believe that for the way we use terminfo -- (i.e. custom output function) -- this parameter does not affect anything. let stdOutput = 1 {-- Force ncurses to return a new struct rather than a copy of the current one (which it would do if the terminal names are the same). This prevents problems when calling del_term on a struct shared by more than one Terminal. --} poke cur_term nullPtr -- Call setupterm and check the return value. setupterm c_term stdOutput ret_ptr ret <- peek ret_ptr if (ret /=1) then throwIO $ SetupTermError $ "Couldn't look up terminfo entry " ++ show term else do cterm <- peek cur_term fmap Terminal $ newForeignPtr del_curterm cterm data SetupTermError = SetupTermError String deriving Typeable instance Show SetupTermError where show (SetupTermError str) = "setupTerm: " ++ str instance Exception SetupTermError where -- | Initialize the terminfo library, using the @TERM@ environmental variable. -- If @TERM@ is not set, we use the generic, minimal entry @dumb@. -- -- Throws a 'SetupTermError' if the terminfo database could not be read. setupTermFromEnv :: IO Terminal setupTermFromEnv = do env_term <- handle handleBadEnv $ getEnv "TERM" let term = if null env_term then "dumb" else env_term setupTerm term where handleBadEnv :: IOException -> IO String handleBadEnv _ = return "" -- TODO: this isn't really thread-safe... withCurTerm :: Terminal -> IO a -> IO a withCurTerm (Terminal term) f = withForeignPtr term $ \cterm -> do old_term <- peek cur_term if old_term /= cterm then do _ <- set_curterm cterm x <- f _ <- set_curterm old_term return x else f ---------------------- -- Note I'm relying on this working even for strings with unset parameters. strHasPadding :: String -> Bool strHasPadding [] = False strHasPadding ('$':'<':_) = True strHasPadding (_:cs) = strHasPadding cs -- | An action which sends output to the terminal. That output may mix plain text with control -- characters and escape sequences, along with delays (called \"padding\") required by some older -- terminals. -- We structure this similarly to ShowS, so that appends don't cause space leaks. newtype TermOutput = TermOutput ([TermOutputType] -> [TermOutputType]) data TermOutputType = TOCmd LinesAffected String | TOStr String instance Monoid TermOutput where mempty = TermOutput id TermOutput xs `mappend` TermOutput ys = TermOutput (xs . ys) termText :: String -> TermOutput termText str = TermOutput (TOStr str :) -- | Write the terminal output to the standard output device. runTermOutput :: Terminal -> TermOutput -> IO () runTermOutput = hRunTermOutput stdout -- | Write the terminal output to the terminal or file managed by the given -- 'Handle'. hRunTermOutput :: Handle -> Terminal -> TermOutput -> IO () hRunTermOutput h term (TermOutput to) = do putc_ptr <- mkCallback putc withCurTerm term $ mapM_ (writeToTerm putc_ptr h) (to []) freeHaskellFunPtr putc_ptr hFlush h where putc c = let c' = toEnum $ fromEnum c in hPutChar h c' >> hFlush h >> return c -- NOTE: Currently, the output is checked every time tparm is called. -- It might be faster to check for padding once in tiGetOutput1. writeToTerm :: FunPtr CharOutput -> Handle -> TermOutputType -> IO () writeToTerm putc h (TOCmd numLines s) | strHasPadding s = tPuts s numLines putc | otherwise = hPutStr h s writeToTerm _ h (TOStr s) = hPutStr h s infixl 2 <#> -- | An operator version of 'mappend'. (<#>) :: Monoid m => m -> m -> m (<#>) = mappend --------------------------------- -- | A feature or operation which a 'Terminal' may define. newtype Capability a = Capability (Terminal -> IO (Maybe a)) getCapability :: Terminal -> Capability a -> Maybe a getCapability term (Capability f) = unsafePerformIO $ withCurTerm term (f term) -- Note that the instances for Capability of Functor, Monad and MonadPlus -- use the corresponding instances for Maybe. instance Functor Capability where fmap f (Capability g) = Capability $ \t -> fmap (fmap f) (g t) instance Monad Capability where return = Capability . const . return . Just Capability f >>= g = Capability $ \t -> do mx <- f t case mx of Nothing -> return Nothing Just x -> let Capability g' = g x in g' t instance MonadPlus Capability where mzero = Capability (const $ return Nothing) Capability f `mplus` Capability g = Capability $ \t -> do mx <- f t case mx of Nothing -> g t _ -> return mx foreign import ccall tigetnum :: CString -> IO CInt -- | Look up a numeric capability in the terminfo database. tiGetNum :: String -> Capability Int tiGetNum cap = Capability $ const $ do n <- fmap fromEnum (withCString cap tigetnum) if n >= 0 then return (Just n) else return Nothing foreign import ccall tigetflag :: CString -> IO CInt -- | Look up a boolean capability in the terminfo database. -- -- Unlike 'tiGuardFlag', this capability never fails; it returns 'False' if the -- capability is absent or set to false, and returns 'True' otherwise. -- tiGetFlag :: String -> Capability Bool tiGetFlag cap = Capability $ const $ fmap (Just . (>0)) $ withCString cap tigetflag -- | Look up a boolean capability in the terminfo database, and fail if -- it\'s not defined. tiGuardFlag :: String -> Capability () tiGuardFlag cap = tiGetFlag cap >>= guard foreign import ccall tigetstr :: CString -> IO CString {-# DEPRECATED tiGetStr "use tiGetOutput instead." #-} -- | Look up a string capability in the terminfo database. NOTE: This function is deprecated; use -- 'tiGetOutput1' instead. tiGetStr :: String -> Capability String tiGetStr cap = Capability $ const $ do result <- withCString cap tigetstr if result == nullPtr || result == neg1Ptr then return Nothing else fmap Just (peekCString result) where -- hack; tigetstr sometimes returns (-1) neg1Ptr = nullPtr `plusPtr` (-1) --------------- foreign import ccall tparm :: CString -> CLong -> CLong -> CLong -> CLong -> CLong -> CLong -> CLong -> CLong -> CLong -- p1,...,p9 -> IO CString -- Note: I may want to cut out the middleman and pipe tGoto/tGetStr together -- with tput without a String marshall in the middle. -- directly without tParm :: String -> Capability ([Int] -> String) tParm cap = Capability $ \t -> return $ Just $ \ps -> unsafePerformIO $ withCurTerm t $ tparm' (map toEnum ps ++ repeat 0) where tparm' (p1:p2:p3:p4:p5:p6:p7:p8:p9:_) = withCString cap $ \c_cap -> do result <- tparm c_cap p1 p2 p3 p4 p5 p6 p7 p8 p9 if result == nullPtr then return "" else peekCString result tparm' _ = fail "tParm: List too short" -- | Look up an output capability in the terminfo database. tiGetOutput :: String -> Capability ([Int] -> LinesAffected -> TermOutput) tiGetOutput cap = do str <- tiGetStr cap f <- tParm str return $ \ps la -> fromStr la $ f ps fromStr :: LinesAffected -> String -> TermOutput fromStr la s = TermOutput (TOCmd la s :) type CharOutput = CInt -> IO CInt foreign import ccall "wrapper" mkCallback :: CharOutput -> IO (FunPtr CharOutput) foreign import ccall tputs :: CString -> CInt -> FunPtr CharOutput -> IO () -- | A parameter to specify the number of lines affected. Some capabilities -- (e.g., @clear@ and @dch1@) use -- this parameter on some terminals to compute variable-length padding. type LinesAffected = Int -- | Output a string capability. Applys padding information to the string if -- necessary. tPuts :: String -> LinesAffected -> FunPtr CharOutput -> IO () tPuts s n putc = withCString s $ \c_str -> tputs c_str (toEnum n) putc -- | Look up an output capability which takes a fixed number of parameters -- (for example, @Int -> Int -> TermOutput@). -- -- For capabilities which may contain variable-length -- padding, use 'tiGetOutput' instead. tiGetOutput1 :: forall f . OutputCap f => String -> Capability f tiGetOutput1 str = do cap <- tiGetStr str guard (hasOkPadding (undefined :: f) cap) f <- tParm cap return $ outputCap f [] -- OK, this is the structure that I want: class OutputCap f where hasOkPadding :: f -> String -> Bool outputCap :: ([Int] -> String) -> [Int] -> f instance OutputCap [Char] where hasOkPadding _ = not . strHasPadding outputCap f xs = f (reverse xs) instance OutputCap TermOutput where hasOkPadding _ = const True outputCap f xs = fromStr 1 $ f $ reverse xs instance (Enum p, OutputCap f) => OutputCap (p -> f) where outputCap f xs = \x -> outputCap f (fromEnum x:xs) hasOkPadding _ = hasOkPadding (undefined :: f) {- $outputdoc Terminfo contains many string capabilities for special effects. For example, the @cuu1@ capability moves the cursor up one line; on ANSI terminals this is accomplished by printing the control sequence @\"\\ESC[A\"@. However, some older terminals also require \"padding\", or short pauses, after certain commands. For example, when @TERM=vt100@ the @cuu1@ capability is @\"\\ESC[A$\<2\>\"@, which instructs terminfo to pause for two milliseconds after outputting the control sequence. The 'TermOutput' monoid abstracts away all padding and control sequence output. Unfortunately, that datatype is difficult to integrate into existing 'String'-based APIs such as pretty-printers. Thus, as a workaround, 'tiGetOutput1' also lets us access the control sequences as 'String's. The one caveat is that it will not allow you to access padded control sequences as Strings. For example: > > t <- setupTerm "vt100" > > isJust (getCapability t (tiGetOutput1 "cuu1") :: Maybe String) > False > > isJust (getCapability t (tiGetOutput1 "cuu1") :: Maybe TermOutput) > True 'String' capabilities will work with software-based terminal types such as @xterm@ and @linux@. However, you should use 'TermOutput' if compatibility with older terminals is important. Additionally, the @visualBell@ capability which flashes the screen usually produces its effect with a padding directive, so it will only work with 'TermOutput'. -} class (Monoid s, OutputCap s) => TermStr s instance TermStr [Char] instance TermStr TermOutput terminfo-0.3.2.5/System/Console/Terminfo/Color.hs0000644000000000000000000000714412010622464017756 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Safe #-} #endif -- | -- Maintainer : judah.jacobson@gmail.com -- Stability : experimental -- Portability : portable (FFI) module System.Console.Terminfo.Color( termColors, Color(..), -- ColorPair, withForegroundColor, withBackgroundColor, -- withColorPair, setForegroundColor, setBackgroundColor, -- setColorPair, restoreDefaultColors ) where import System.Console.Terminfo.Base import Control.Monad (mplus) -- TODOs: -- examples -- try with xterm-256-colors (?) -- Color pairs, and HP terminals. -- TODO: this "white" looks more like a grey. (What does ncurses do?) -- NB: for all the terminals in ncurses' terminfo.src, colors>=8 when it's -- set. So we don't need to perform that check. -- | The maximum number of of colors on the screen. termColors :: Capability Int termColors = tiGetNum "colors" data Color = Black | Red | Green | Yellow | Blue | Magenta | Cyan | White | ColorNumber Int deriving (Show,Eq,Ord) colorIntA, colorInt :: Color -> Int colorIntA c = case c of Black -> 0 Red -> 1 Green -> 2 Yellow -> 3 Blue -> 4 Magenta -> 5 Cyan -> 6 White -> 7 ColorNumber n -> n colorInt c = case c of Black -> 0 Blue -> 1 Green -> 2 Cyan -> 3 Red -> 4 Magenta -> 5 Yellow -> 6 White -> 7 ColorNumber n -> n -- NB these aren't available on HP systems. -- also do we want to handle case when they're not available? -- | This capability temporarily sets the -- terminal's foreground color while outputting the given text, and -- then restores the terminal to its default foreground and background -- colors. withForegroundColor :: TermStr s => Capability (Color -> s -> s) withForegroundColor = withColorCmd setForegroundColor -- | This capability temporarily sets the -- terminal's background color while outputting the given text, and -- then restores the terminal to its default foreground and background -- colors. withBackgroundColor :: TermStr s => Capability (Color -> s -> s) withBackgroundColor = withColorCmd setBackgroundColor withColorCmd :: TermStr s => Capability (a -> s) -> Capability (a -> s -> s) withColorCmd getSet = do set <- getSet restore <- restoreDefaultColors return $ \c t -> set c <#> t <#> restore -- | Sets the foreground color of all further text output, using -- either the @setaf@ or @setf@ capability. setForegroundColor :: TermStr s => Capability (Color -> s) setForegroundColor = setaf `mplus` setf where setaf = fmap (. colorIntA) $ tiGetOutput1 "setaf" setf = fmap (. colorInt) $ tiGetOutput1 "setf" -- | Sets the background color of all further text output, using -- either the @setab@ or @setb@ capability. setBackgroundColor :: TermStr s => Capability (Color -> s) setBackgroundColor = setab `mplus` setb where setab = fmap (. colorIntA) $ tiGetOutput1 "setab" setb = fmap (. colorInt) $ tiGetOutput1 "setb" {- withColorPair :: TermStr s => Capability (ColorPair -> s -> s) withColorPair = withColorCmd setColorPair setColorPair :: TermStr s => Capability (ColorPair -> s) setColorPair = do setf <- setForegroundColor setb <- setBackgroundColor return (\(f,b) -> setf f <#> setb b) type ColorPair = (Color,Color) -} -- | Restores foreground/background colors to their original -- settings. restoreDefaultColors :: TermStr s => Capability s restoreDefaultColors = tiGetOutput1 "op" terminfo-0.3.2.5/System/Console/Terminfo/Cursor.hs0000644000000000000000000001572212010622464020156 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Safe #-} #endif -- | -- Maintainer : judah.jacobson@gmail.com -- Stability : experimental -- Portability : portable (FFI) -- -- This module provides capabilities for moving the cursor on the terminal. module System.Console.Terminfo.Cursor( -- * Terminal dimensions -- | Get the default size of the terminal. For -- resizeable terminals (e.g., @xterm@), these may not -- correspond to the actual dimensions. termLines, termColumns, -- * Cursor flags autoRightMargin, autoLeftMargin, wraparoundGlitch, -- * Scrolling carriageReturn, newline, scrollForward, scrollReverse, -- * Relative cursor movements -- | The following functions for cursor movement will -- combine the more primitive capabilities. For example, -- 'moveDown' may use either 'cursorDown' or -- 'cursorDown1' depending on the parameter and which of -- @cud@ and @cud1@ are defined. moveDown, moveLeft, moveRight, moveUp, -- ** Primitive movement capabilities -- | These capabilities correspond directly to @cub@, @cud@, -- @cub1@, @cud1@, etc. cursorDown1, cursorLeft1, cursorRight1, cursorUp1, cursorDown, cursorLeft, cursorRight, cursorUp, cursorHome, cursorToLL, -- * Absolute cursor movements cursorAddress, Point(..), rowAddress, columnAddress ) where import System.Console.Terminfo.Base import Control.Monad termLines :: Capability Int termColumns :: Capability Int termLines = tiGetNum "lines" termColumns = tiGetNum "cols" -- | This flag specifies that the cursor wraps automatically from the last -- column of one line to the first column of the next. autoRightMargin :: Capability Bool autoRightMargin = tiGetFlag "am" -- | This flag specifies that a backspace at column 0 wraps the cursor to -- the last column of the previous line. autoLeftMargin :: Capability Bool autoLeftMargin = tiGetFlag "bw" -- | This flag specifies that the terminal does not perform -- 'autoRightMargin'-style wrapping when the character which would cause the -- wraparound is a control character. -- This is also known as the \"newline glitch\" or \"magic wrap\". -- -- For example, in an 80-column terminal with this behavior, the following -- will print single-spaced instead of double-spaced: -- -- > replicateM_ 5 $ putStr $ replicate 80 'x' ++ "\n" -- wraparoundGlitch :: Capability Bool wraparoundGlitch = tiGetFlag "xenl" {-- On many terminals, the @cud1@ ('cursorDown1') capability is the line feed character '\n'. However, @stty@ settings may cause that character to have other effects than intended; e.g. ONLCR turns LF into CRLF, and as a result @cud1@ will always move the cursor to the first column of the next line. Looking at the source code of curses (lib_mvcur.c) and other similar programs, they use @cud@ instead of @cud1@ if it's '\n' and ONLCR is turned on. Since there's no easy way to check for ONLCR at this point, I've just made moveDown only use cud1 if it's not '\n'. Suggestions are welcome. --} cursorDown1Fixed :: TermStr s => Capability s cursorDown1Fixed = do str <- tiGetOutput1 "cud1" guard (str /= "\n") tiGetOutput1 "cud1" cursorDown1 :: TermStr s => Capability s cursorDown1 = tiGetOutput1 "cud1" cursorLeft1 :: TermStr s => Capability s cursorLeft1 = tiGetOutput1 "cub1" cursorRight1 :: TermStr s => Capability s cursorRight1 = tiGetOutput1 "cuf1" cursorUp1 :: TermStr s => Capability s cursorUp1 = tiGetOutput1 "cuu1" cursorDown :: TermStr s => Capability (Int -> s) cursorDown = tiGetOutput1 "cud" cursorLeft :: TermStr s => Capability (Int -> s) cursorLeft = tiGetOutput1 "cub" cursorRight :: TermStr s => Capability (Int -> s) cursorRight = tiGetOutput1 "cuf" cursorUp :: TermStr s => Capability (Int -> s) cursorUp = tiGetOutput1 "cuu" cursorHome :: TermStr s => Capability s cursorHome = tiGetOutput1 "home" cursorToLL :: TermStr s => Capability s cursorToLL = tiGetOutput1 "ll" -- Movements are built out of parametrized and unparam'd movement -- capabilities. -- todo: more complicated logic like ncurses does. move :: TermStr s => Capability s -> Capability (Int -> s) -> Capability (Int -> s) move single param = let tryBoth = do s <- single p <- param return $ \n -> case n of 0 -> mempty 1 -> s _ -> p n manySingle = do s <- single return $ \n -> mconcat $ replicate n s in tryBoth `mplus` param `mplus` manySingle moveLeft :: TermStr s => Capability (Int -> s) moveLeft = move cursorLeft1 cursorLeft moveRight :: TermStr s => Capability (Int -> s) moveRight = move cursorRight1 cursorRight moveUp :: TermStr s => Capability (Int -> s) moveUp = move cursorUp1 cursorUp moveDown :: TermStr s => Capability (Int -> s) moveDown = move cursorDown1Fixed cursorDown -- | The @cr@ capability, which moves the cursor to the first column of the -- current line. carriageReturn :: TermStr s => Capability s carriageReturn = tiGetOutput1 "cr" -- | The @nel@ capability, which moves the cursor to the first column of -- the next line. It behaves like a carriage return followed by a line feed. -- -- If @nel@ is not defined, this may be built out of other capabilities. newline :: TermStr s => Capability s newline = tiGetOutput1 "nel" `mplus` (liftM2 mappend carriageReturn (scrollForward `mplus` tiGetOutput1 "cud1")) -- Note it's OK to use cud1 here, despite the stty problem referenced -- above, because carriageReturn already puts us on the first column. scrollForward :: TermStr s => Capability s scrollForward = tiGetOutput1 "ind" scrollReverse :: TermStr s => Capability s scrollReverse = tiGetOutput1 "ri" data Point = Point {row, col :: Int} cursorAddress :: TermStr s => Capability (Point -> s) cursorAddress = fmap (\g p -> g (row p) (col p)) $ tiGetOutput1 "cup" columnAddress :: TermStr s => Capability (Int -> s) columnAddress = tiGetOutput1 "hpa" rowAddress :: TermStr s => Capability (Int -> s) rowAddress = tiGetOutput1 "vpa" terminfo-0.3.2.5/System/Console/Terminfo/Edit.hs0000644000000000000000000000137712010622464017567 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Safe #-} #endif -- | -- Maintainer : judah.jacobson@gmail.com -- Stability : experimental -- Portability : portable (FFI) module System.Console.Terminfo.Edit where import System.Console.Terminfo.Base -- | Clear the screen, and move the cursor to the upper left. clearScreen :: Capability (LinesAffected -> TermOutput) clearScreen = fmap ($ []) $ tiGetOutput "clear" -- | Clear from beginning of line to cursor. clearBOL :: TermStr s => Capability s clearBOL = tiGetOutput1 "el1" -- | Clear from cursor to end of line. clearEOL :: TermStr s => Capability s clearEOL = tiGetOutput1 "el" -- | Clear display after cursor. clearEOS :: Capability (LinesAffected -> TermOutput) clearEOS = fmap ($ []) $ tiGetOutput "ed" terminfo-0.3.2.5/System/Console/Terminfo/Effects.hs0000644000000000000000000001335512010622464020260 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Safe #-} #endif -- | -- Maintainer : judah.jacobson@gmail.com -- Stability : experimental -- Portability : portable (FFI) module System.Console.Terminfo.Effects( -- * Bell alerts bell,visualBell, -- * Text attributes Attributes(..), defaultAttributes, withAttributes, setAttributes, allAttributesOff, -- ** Mode wrappers withStandout, withUnderline, withBold, -- ** Low-level capabilities enterStandoutMode, exitStandoutMode, enterUnderlineMode, exitUnderlineMode, reverseOn, blinkOn, boldOn, dimOn, invisibleOn, protectedOn ) where import System.Console.Terminfo.Base import Control.Monad wrapWith :: TermStr s => Capability s -> Capability s -> Capability (s -> s) wrapWith start end = do s <- start e <- end return (\t -> s <#> t <#> e) -- | Turns on standout mode before outputting the given -- text, and then turns it off. withStandout :: TermStr s => Capability (s -> s) withStandout = wrapWith enterStandoutMode exitStandoutMode -- | Turns on underline mode before outputting the given -- text, and then turns it off. withUnderline :: TermStr s => Capability (s -> s) withUnderline = wrapWith enterUnderlineMode exitUnderlineMode -- | Turns on bold mode before outputting the given text, and then turns -- all attributes off. withBold :: TermStr s => Capability (s -> s) withBold = wrapWith boldOn allAttributesOff enterStandoutMode :: TermStr s => Capability s enterStandoutMode = tiGetOutput1 "smso" exitStandoutMode :: TermStr s => Capability s exitStandoutMode = tiGetOutput1 "rmso" enterUnderlineMode :: TermStr s => Capability s enterUnderlineMode = tiGetOutput1 "smul" exitUnderlineMode :: TermStr s => Capability s exitUnderlineMode = tiGetOutput1 "rmul" reverseOn :: TermStr s => Capability s reverseOn = tiGetOutput1 "rev" blinkOn:: TermStr s => Capability s blinkOn = tiGetOutput1 "blink" boldOn :: TermStr s => Capability s boldOn = tiGetOutput1 "bold" dimOn :: TermStr s => Capability s dimOn = tiGetOutput1 "dim" invisibleOn :: TermStr s => Capability s invisibleOn = tiGetOutput1 "invis" protectedOn :: TermStr s => Capability s protectedOn = tiGetOutput1 "prot" -- | Turns off all text attributes. This capability will always succeed, but it has -- no effect in terminals which do not support text attributes. allAttributesOff :: TermStr s => Capability s allAttributesOff = tiGetOutput1 "sgr0" `mplus` return mempty data Attributes = Attributes { standoutAttr, underlineAttr, reverseAttr, blinkAttr, dimAttr, boldAttr, invisibleAttr, protectedAttr :: Bool -- NB: I'm not including the "alternate character set." } -- | Sets the attributes on or off before outputting the given text, -- and then turns them all off. This capability will always succeed; properties -- which cannot be set in the current terminal will be ignored. withAttributes :: TermStr s => Capability (Attributes -> s -> s) withAttributes = do set <- setAttributes off <- allAttributesOff return $ \attrs to -> set attrs <#> to <#> off -- | Sets the attributes on or off. This capability will always succeed; -- properties which cannot be set in the current terminal will be ignored. setAttributes :: TermStr s => Capability (Attributes -> s) setAttributes = usingSGR0 `mplus` manualSets where usingSGR0 = do sgr <- tiGetOutput1 "sgr" return $ \a -> let mkAttr f = if f a then 1 else 0 :: Int in sgr (mkAttr standoutAttr) (mkAttr underlineAttr) (mkAttr reverseAttr) (mkAttr blinkAttr) (mkAttr dimAttr) (mkAttr boldAttr) (mkAttr invisibleAttr) (mkAttr protectedAttr) (0::Int) -- for alt. character sets attrCap :: TermStr s => (Attributes -> Bool) -> Capability s -> Capability (Attributes -> s) attrCap f cap = do {to <- cap; return $ \a -> if f a then to else mempty} `mplus` return (const mempty) manualSets = do cs <- sequence [attrCap standoutAttr enterStandoutMode , attrCap underlineAttr enterUnderlineMode , attrCap reverseAttr reverseOn , attrCap blinkAttr blinkOn , attrCap boldAttr boldOn , attrCap dimAttr dimOn , attrCap invisibleAttr invisibleOn , attrCap protectedAttr protectedOn ] return $ \a -> mconcat $ map ($ a) cs -- | These attributes have all properties turned off. defaultAttributes :: Attributes defaultAttributes = Attributes False False False False False False False False -- | Sound the audible bell. bell :: TermStr s => Capability s bell = tiGetOutput1 "bel" -- | Present a visual alert using the @flash@ capability. visualBell :: Capability TermOutput visualBell = tiGetOutput1 "flash" terminfo-0.3.2.5/System/Console/Terminfo/Keys.hs0000644000000000000000000000450012010622464017604 0ustar0000000000000000#if __GLASGOW_HASKELL__ >= 703 {-# LANGUAGE Safe #-} #endif -- | -- Maintainer : judah.jacobson@gmail.com -- Stability : experimental -- Portability : portable (FFI) -- -- The string capabilities in this module are the character sequences -- corresponding to user input such as arrow keys and function keys. module System.Console.Terminfo.Keys( -- * The keypad -- | The following commands -- turn the keypad on\/off (@smkx@ and @rmkx@). -- They have no effect if those capabilities are not defined. -- For portability between terminals, the keypad should be -- explicitly turned on before accepting user key input. keypadOn, keypadOff, -- * Arrow keys keyUp, keyDown, keyLeft, keyRight, -- * Miscellaneous functionKey, keyBackspace, keyDeleteChar, keyHome, keyEnd, keyPageUp, keyPageDown, keyEnter, ) where import System.Console.Terminfo.Base keypadOn :: TermStr s => Capability s keypadOn = tiGetOutput1 "smkx" keypadOff :: TermStr s => Capability s keypadOff = tiGetOutput1 "rmkx" keyUp :: Capability String keyUp = tiGetOutput1 "kcuu1" keyDown :: Capability String keyDown = tiGetOutput1 "kcud1" keyLeft :: Capability String keyLeft = tiGetOutput1 "kcub1" keyRight :: Capability String keyRight = tiGetOutput1 "kcuf1" -- | Look up the control sequence for a given function sequence. For example, -- @functionKey 12@ retrieves the @kf12@ capability. functionKey :: Int -> Capability String functionKey n = tiGetOutput1 ("kf" ++ show n) keyBackspace :: Capability String keyBackspace = tiGetOutput1 "kbs" keyDeleteChar :: Capability String keyDeleteChar = tiGetOutput1 "kdch1" keyHome :: Capability String keyHome = tiGetOutput1 "khome" keyEnd :: Capability String keyEnd = tiGetOutput1 "kend" keyPageUp :: Capability String keyPageUp = tiGetOutput1 "kpp" keyPageDown :: Capability String keyPageDown = tiGetOutput1 "knp" keyEnter :: Capability String keyEnter = tiGetOutput1 "kent"