{-# LINE 1 "UI/HSCurses/Curses.hsc" #-} {-# LANGUAGE ForeignFunctionInterface, GeneralizedNewtypeDeriving #-} {-# LINE 2 "UI/HSCurses/Curses.hsc" #-} -- glaexts needed for newtype deriving -- Copyright (c) 2002-2004 John Meacham (john at repetae dot net) -- Copyright (c) 2004 Don Stewart - http://www.cse.unsw.edu.au/~dons -- Copyright (c) 2005-2011 Stefan Wehr - http://www.stefanwehr.de -- -- This library is free software; you can redistribute it and/or -- modify it under the terms of the GNU Lesser General Public -- License as published by the Free Software Foundation; either -- version 2.1 of the License, or (at your option) any later version. -- -- This library is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -- Lesser General Public License for more details. -- -- You should have received a copy of the GNU Lesser General Public -- License along with this library; if not, write to the Free Software -- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -- -- | Binding to the [wn]curses library. From the ncurses man page: -- -- > The curses library routines give the user a terminal-inde- -- > pendent method of updating character screens with reason- -- > able optimization. -- -- Sections of the quoted documentation are from the OpenBSD man pages, which -- are distributed under a BSD license. -- -- A useful reference is: -- /Writing Programs with NCURSES/, by Eric S. Raymond and Zeyd -- M. Ben-Halim, <http://dickey.his.com/ncurses/> -- -- N.B attrs don't work with Irix curses.h. This should be fixed. -- module UI.HSCurses.Curses ( -- * Basic Functions stdScr, -- :: Window initScr, -- :: IO Window initCurses, -- :: IO () resetParams, endWin, -- :: IO () scrSize, -- :: IO (Int, Int) -- * Windows and Pads Window, -- data Window deriving Eq touchWin, newPad, pRefresh, delWin, newWin, -- * Refresh Routines refresh, -- :: IO () update, resizeTerminal, timeout, -- :: Int -> IO () noqiflush, -- :: IO () -- * Navigation move, -- :: Int -> Int -> IO () getYX, -- * Input getCh, getch, decodeKey, ungetCh, keyResizeCode, -- * Input Options cBreak, -- :: Bool -> IO () raw, -- :: Bool -> IO () echo, -- :: Bool -> IO () intrFlush, -- :: Bool -> IO () keypad, -- :: Window -> Bool -> IO () noDelay, -- :: Window -> Bool -> IO () -- * Output wAddStr, -- :: Window -> String -> IO () addLn, -- :: IO () mvWAddStr, mvAddCh, -- :: Int -> Int -> ChType -> IO () wMove, bkgrndSet, -- :: Attr -> Pair -> IO () erase, -- :: IO () wclear, -- :: Window -> IO () clrToEol, -- :: IO () wClrToEol, beep, waddch, waddchnstr, -- :: Window -> CString -> CInt -> IO CInt -- * Output Options clearOk, leaveOk, nl, -- :: Bool -> IO () -- * Cursor Routines CursorVisibility(..), cursSet, -- * Color Support hasColors, -- :: IO Bool startColor, -- :: IO () useDefaultColors, -- :: IO () Pair(..), -- newtype Pair = Pair Int deriving (Eq, Ord, Ix) colorPairs, -- :: IO Int Color(..), -- newtype Color = Color Int deriving (Eq, Ord, Ix) colors, -- :: IO Int color, -- :: String -> Maybe Color -- black, red, green, yellow, blue, magenta, cyan, white, -- :: Color initPair, -- :: Pair -> Color -> Color -> IO () pairContent, -- :: Pair -> IO (Color, Color) canChangeColor, -- :: IO Bool initColor, -- :: Color -> (Int, Int, Int) -> IO () colorContent, -- :: Color -> IO (Int, Int, Int) defaultBackground, defaultForeground, -- * Attributes attrPlus, Attr, attr0, -- :: Attr isAltCharset, isBlink, isBold, isDim, isHorizontal, isInvis, isLeft, isLow, isProtect, isReverse, isRight, isStandout, isTop, isUnderline, isVertical, -- :: Attr -> Bool setAltCharset, setBlink, setBold, setDim, setHorizontal, setInvis, setLeft, setLow, setProtect, setReverse, setRight, setStandout, setTop, setUnderline, setVertical, -- :: Attr -> Bool -> Attr attrSet, -- :: Attr -> Pair -> IO () attrOn, attrOff, standout,standend, attrDim, attrBold, attrDimOn, attrDimOff, attrBoldOn, attrBoldOff, wAttrOn, wAttrOff, wAttrSet, wAttrGet, -- * Mouse Routines withMouseEventMask, ButtonEvent(..), MouseEvent(..), -- * Keys Key(..), cERR, cKEY_UP, cKEY_DOWN, cKEY_LEFT, cKEY_RIGHT, cTRUE, -- cACS_BLOCK, -- * Lines vline, ulCorner, llCorner, urCorner, lrCorner, rTee, lTee, bTee, tTee, hLine, vLine, plus, s1, s9, diamond, ckBoard, degree, plMinus, bullet, lArrow, rArrow, dArrow, uArrow, board, lantern, block, s3, s7, lEqual, gEqual, pi, nEqual, sterling, -- * Signals cursesSigWinch, -- * Misc cursesTest, throwIfErr, throwIfErr_, errI, -- :: IO CInt -> IO () flushinp, recognize, ChType, NBool ) where {-# LINE 181 "UI/HSCurses/Curses.hsc" #-} {-# LINE 183 "UI/HSCurses/Curses.hsc" #-} {-# LINE 184 "UI/HSCurses/Curses.hsc" #-} {-# LINE 185 "UI/HSCurses/Curses.hsc" #-} import UI.HSCurses.CWString ( withLCStringLen ) import UI.HSCurses.Logging import Prelude hiding ( pi ) import Data.Char import Data.List import Data.Ix ( Ix ) import Control.Monad ( when, liftM ) import Control.Monad.Trans import Control.Concurrent import Control.Concurrent.Chan import Foreign import Foreign.C.String import Foreign.C.Types import Foreign.C.Error {-# LINE 205 "UI/HSCurses/Curses.hsc" #-} import System.Posix.Signals {-# LINE 207 "UI/HSCurses/Curses.hsc" #-} {-# LINE 211 "UI/HSCurses/Curses.hsc" #-} ------------------------------------------------------------------------ -- -- | @initCurses fn@ does all initialization necessary for a Curses -- application. -- initCurses :: IO () initCurses = do initScr b <- hasColors when b $ startColor >> useDefaultColors resetParams :: IO () resetParams = do raw True -- raw mode please echo False nl False intrFlush True leaveOk False keypad stdScr True {-# LINE 233 "UI/HSCurses/Curses.hsc" #-} defineKey (259) "\x1b[1;2A" {-# LINE 234 "UI/HSCurses/Curses.hsc" #-} defineKey (258) "\x1b[1;2B" {-# LINE 235 "UI/HSCurses/Curses.hsc" #-} defineKey (393) "\x1b[1;2D" {-# LINE 236 "UI/HSCurses/Curses.hsc" #-} defineKey (402) "\x1b[1;2C" {-# LINE 237 "UI/HSCurses/Curses.hsc" #-} {-# LINE 238 "UI/HSCurses/Curses.hsc" #-} ------------------------------------------------------------------------ fi :: (Integral a, Num b) => a -> b fi = fromIntegral throwIfErr :: Num a => String -> IO a -> IO a --throwIfErr name act = do -- res <- act -- if res == (cERR) -- then ioError (userError ("Curses: "++name++" failed")) -- else return res throwIfErr s = throwIf (== (-1)) (\a -> "Curses[" ++ show a ++ "]:" ++ s) {-# LINE 251 "UI/HSCurses/Curses.hsc" #-} throwIfErr_ :: Num a => String -> IO a -> IO () throwIfErr_ name act = void $ throwIfErr name act errI :: IO CInt -> IO () errI f = do r <- f if r == cERR then do _ <- endwin error "curses returned an error" else return () ------------------------------------------------------------------------ type WindowTag = () type Window = Ptr WindowTag type ChType = Word32 {-# LINE 266 "UI/HSCurses/Curses.hsc" #-} type NBool = Word8 {-# LINE 267 "UI/HSCurses/Curses.hsc" #-} -- -- | The standard screen -- stdScr :: Window stdScr = unsafePerformIO (peek stdscr) foreign import ccall "static HSCurses.h &stdscr" stdscr :: Ptr Window -- -- | initscr is normally the first curses routine to call when -- initializing a program. curs_initscr(3): -- -- > To initialize the routines, the routine initscr or newterm -- > must be called before any of the other routines that deal -- > with windows and screens are used. -- -- > The initscr code determines the terminal type and initial- -- > izes all curses data structures. initscr also causes the -- > first call to refresh to clear the screen. If errors -- > occur, initscr writes an appropriate error message to -- > standard error and exits; otherwise, a pointer is returned -- > to stdscr. -- initScr :: IO Window initScr = throwIfNull "initscr" initscr foreign import ccall unsafe "HSCurses.h initscr" initscr :: IO Window -- -- | > The cbreak routine -- > disables line buffering and erase/kill character-process- -- > ing (interrupt and flow control characters are unaf- -- > fected), making characters typed by the user immediately -- > available to the program. The nocbreak routine returns -- > the terminal to normal (cooked) mode. -- cBreak :: Bool -> IO () cBreak True = throwIfErr_ "cbreak" cbreak cBreak False = throwIfErr_ "nocbreak" nocbreak foreign import ccall unsafe "HSCurses.h cbreak" cbreak :: IO CInt foreign import ccall unsafe "HSCurses.h nocbreak" nocbreak :: IO CInt -- -- |> The raw and noraw routines place the terminal into or out -- > of raw mode. Raw mode is similar to cbreak mode, in that -- > characters typed are immediately passed through to the -- > user program. The differences are that in raw mode, the -- > interrupt, quit, suspend, and flow control characters are -- > all passed through uninterpreted, instead of generating a -- > signal. The behavior of the BREAK key depends on other -- > bits in the tty driver that are not set by curses. -- raw :: Bool -> IO () raw False = throwIfErr_ "noraw" noraw raw True = throwIfErr_ "raw" raw_c foreign import ccall unsafe "HSCurses.h noraw" noraw :: IO CInt foreign import ccall unsafe "HSCurses.h raw" raw_c :: IO CInt -- -- |> The echo and noecho routines control whether characters -- > typed by the user are echoed by getch as they are typed. -- > Echoing by the tty driver is always disabled, but ini- -- > tially getch is in echo mode, so characters typed are -- > echoed. Authors of most interactive programs prefer to do -- > their own echoing in a controlled area of the screen, or -- > not to echo at all, so they disable echoing by calling -- > noecho. [See curs_getch(3) for a discussion of how these -- > routines interact with cbreak and nocbreak.] -- > -- echo :: Bool -> IO () echo False = throwIfErr_ "noecho" noecho echo True = throwIfErr_ "echo" echo_c foreign import ccall unsafe "HSCurses.h noecho" noecho :: IO CInt foreign import ccall unsafe "HSCurses.h echo" echo_c :: IO CInt -- -- |> The nl and nonl routines control whether the underlying -- > display device translates the return key into newline on -- > input, and whether it translates newline into return and -- > line-feed on output (in either case, the call addch('\n') -- > does the equivalent of return and line feed on the virtual -- > screen). Initially, these translations do occur. If you -- > disable them using nonl, curses will be able to make bet- -- > ter use of the line-feed capability, resulting in faster -- > cursor motion. Also, curses will then be able to detect -- > the return key. -- > nl :: Bool -> IO () nl True = throwIfErr_ "nl" nl_c nl False = throwIfErr_ "nonl" nonl foreign import ccall unsafe "HSCurses.h nl" nl_c :: IO CInt foreign import ccall unsafe "HSCurses.h nonl" nonl :: IO CInt -- |> If the intrflush option is enabled, (bf is TRUE), when an -- > interrupt key is pressed on the keyboard (interrupt, -- > break, quit) all output in the tty driver queue will be -- > flushed, giving the effect of faster response to the -- > interrupt, but causing curses to have the wrong idea of -- > what is on the screen. Disabling (bf is FALSE), the -- > option prevents the flush. -- > intrFlush :: Bool -> IO () intrFlush bf = throwIfErr_ "intrflush" $ intrflush stdScr (if bf then 1 else 0) foreign import ccall unsafe "HSCurses.h intrflush" intrflush :: Window -> (Word8) -> IO CInt {-# LINE 378 "UI/HSCurses/Curses.hsc" #-} -- -- | Enable the keypad of the user's terminal. -- keypad :: Window -> Bool -> IO () keypad win bf = throwIfErr_ "keypad" $ keypad_c win (if bf then 1 else 0) foreign import ccall unsafe "HSCurses.h keypad" keypad_c :: Window -> (Word8) -> IO CInt {-# LINE 386 "UI/HSCurses/Curses.hsc" #-} noDelay :: Window -> Bool -> IO () noDelay win bf = throwIfErr_ "nodelay" $ nodelay win (if bf then 1 else 0) foreign import ccall unsafe "HSCurses.h nodelay" nodelay :: Window -> (Word8) -> IO CInt {-# LINE 393 "UI/HSCurses/Curses.hsc" #-} -- -- | Normally, the hardware cursor is left at the location of -- the window cursor being refreshed. The leaveok option -- allows the cursor to be left wherever the update happens -- to leave it. It is useful for applications where the cur- -- sor is not used, since it reduces the need for cursor -- motions. If possible, the cursor is made invisible when -- this option is enabled. -- leaveOk :: Bool -> IO CInt leaveOk True = leaveok_c stdScr 1 leaveOk False = leaveok_c stdScr 0 foreign import ccall unsafe "HSCurses.h leaveok" leaveok_c :: Window -> (Word8) -> IO CInt {-# LINE 409 "UI/HSCurses/Curses.hsc" #-} clearOk :: Bool -> IO CInt clearOk True = clearok_c stdScr 1 clearOk False = clearok_c stdScr 0 foreign import ccall unsafe "HSCurses.h clearok" clearok_c :: Window -> (Word8) -> IO CInt {-# LINE 416 "UI/HSCurses/Curses.hsc" #-} ------------------------------------------------------------------------ foreign import ccall unsafe "HSCurses.h use_default_colors" useDefaultColors :: IO () defaultBackground, defaultForeground :: Color defaultBackground = Color (-1) defaultForeground = Color (-1) ------------------------------------------------------------------------ {-# LINE 429 "UI/HSCurses/Curses.hsc" #-} defineKey :: CInt -> String -> IO () defineKey k s = withCString s (\s' -> define_key s' k) >> return () foreign import ccall unsafe "HSCurses.h define_key" define_key :: Ptr CChar -> CInt -> IO () {-# LINE 435 "UI/HSCurses/Curses.hsc" #-} -- -- | > The program must call endwin for each terminal being used before -- > exiting from curses. -- endWin :: IO () endWin = throwIfErr_ "endwin" endwin foreign import ccall unsafe "HSCurses.h endwin" endwin :: IO CInt ------------------------------------------------------------------------ -- -- | get the dimensions of the screen -- scrSize :: IO (Int, Int) scrSize = do lnes <- peek linesPtr cols <- peek colsPtr return (fromIntegral lnes, fromIntegral cols) foreign import ccall "HSCurses.h &LINES" linesPtr :: Ptr CInt foreign import ccall "HSCurses.h &COLS" colsPtr :: Ptr CInt -- -- | refresh curses windows and lines. curs_refresh(3) -- refresh :: IO () refresh = throwIfErr_ "refresh" refresh_c foreign import ccall unsafe "HSCurses.h refresh" refresh_c :: IO CInt -- -- | Do an actual update. Used after endWin on linux to restore the terminal -- update :: IO () update = throwIfErr_ "update" update_c foreign import ccall unsafe "HSCurses.h doupdate" update_c :: IO CInt foreign import ccall unsafe "static curses.h timeout" timeout_c :: CInt -> IO () -- | Set a delay in milliseconds. timeout :: Int -> IO () timeout = timeout_c . fromIntegral ------------------------------------------------------------------------ hasColors :: IO Bool hasColors = liftM (/= 0) has_colors foreign import ccall unsafe "HSCurses.h has_colors" has_colors :: IO (Word8) {-# LINE 486 "UI/HSCurses/Curses.hsc" #-} -- -- | Initialise the color settings, also sets the screen to the -- default colors (white on black) -- startColor :: IO () startColor = throwIfErr_ "start_color" start_color foreign import ccall unsafe start_color :: IO CInt newtype Pair = Pair Int deriving (Eq, Ord, Ix, Show) -- -- | colorPairs defines the maximum number of color-pairs the terminal -- can support). -- colorPairs :: IO Int colorPairs = fmap fromIntegral $ peek colorPairsPtr foreign import ccall "HSCurses.h &COLOR_PAIRS" colorPairsPtr :: Ptr CInt newtype Color = Color Int deriving (Eq, Ord, Ix) colors :: IO Int colors = liftM fromIntegral $ peek colorsPtr foreign import ccall "HSCurses.h &COLORS" colorsPtr :: Ptr CInt --black, red, green, yellow, blue, magenta, cyan, white :: Color color :: String -> Maybe Color color "default" = Just $ Color (-1) color "black" = Just $ Color (0) {-# LINE 519 "UI/HSCurses/Curses.hsc" #-} color "red" = Just $ Color (1) {-# LINE 520 "UI/HSCurses/Curses.hsc" #-} color "green" = Just $ Color (2) {-# LINE 521 "UI/HSCurses/Curses.hsc" #-} color "yellow" = Just $ Color (3) {-# LINE 522 "UI/HSCurses/Curses.hsc" #-} color "blue" = Just $ Color (4) {-# LINE 523 "UI/HSCurses/Curses.hsc" #-} color "magenta" = Just $ Color (5) {-# LINE 524 "UI/HSCurses/Curses.hsc" #-} color "cyan" = Just $ Color (6) {-# LINE 525 "UI/HSCurses/Curses.hsc" #-} color "white" = Just $ Color (7) {-# LINE 526 "UI/HSCurses/Curses.hsc" #-} color _ = Nothing -- -- | curses support color attributes on terminals with that -- capability. To use these routines start_color must be -- called, usually right after initscr. Colors are always -- used in pairs (referred to as color-pairs). A color-pair -- consists of a foreground color (for characters) and a -- background color (for the blank field on which the charac- -- ters are displayed). A programmer initializes a color- -- pair with the routine init_pair. After it has been ini- -- tialized, COLOR_PAIR(n), a macro defined in <curses.h>, -- can be used as a new video attribute. -- -- If a terminal is capable of redefining colors, the pro- -- grammer can use the routine init_color to change the defi- -- nition of a color. -- -- The init_pair routine changes the definition of a color- -- pair. It takes three arguments: the number of the color- -- pair to be changed, the foreground color number, and the -- background color number. For portable applications: -- -- - The value of the first argument must be between 1 and -- COLOR_PAIRS-1. -- -- - The value of the second and third arguments must be -- between 0 and COLORS (the 0 color pair is wired to -- white on black and cannot be changed). -- -- initPair :: Pair -> Color -> Color -> IO () initPair (Pair p) (Color f) (Color b) = throwIfErr_ "init_pair" $ init_pair (fromIntegral p) (fromIntegral f) (fromIntegral b) foreign import ccall unsafe init_pair :: CShort -> CShort -> CShort -> IO CInt pairContent :: Pair -> IO (Color, Color) pairContent (Pair p) = alloca $ \fPtr -> alloca $ \bPtr -> do throwIfErr "pair_content" $ pair_content (fromIntegral p) fPtr bPtr f <- peek fPtr b <- peek bPtr return (Color (fromIntegral f), Color (fromIntegral b)) foreign import ccall unsafe pair_content :: CShort -> Ptr CShort -> Ptr CShort -> IO CInt canChangeColor :: IO Bool canChangeColor = liftM (/= 0) can_change_color foreign import ccall unsafe can_change_color :: IO (Word8) {-# LINE 582 "UI/HSCurses/Curses.hsc" #-} initColor :: Color -> (Int, Int, Int) -> IO () initColor (Color c) (r, g, b) = throwIfErr_ "init_color" $ init_color (fromIntegral c) (fromIntegral r) (fromIntegral g) (fromIntegral b) foreign import ccall unsafe init_color :: CShort -> CShort -> CShort -> CShort -> IO CInt colorContent :: Color -> IO (Int, Int, Int) colorContent (Color c) = alloca $ \rPtr -> alloca $ \gPtr -> alloca $ \bPtr -> do throwIfErr "color_content" $ color_content (fromIntegral c) rPtr gPtr bPtr r <- peek rPtr g <- peek gPtr b <- peek bPtr return (fromIntegral r, fromIntegral g, fromIntegral b) foreign import ccall unsafe color_content :: CShort -> Ptr CShort -> Ptr CShort -> Ptr CShort -> IO CInt foreign import ccall unsafe "HSCurses.h hs_curses_color_pair" colorPair :: Pair -> ChType ------------- -- Attributes ------------- foreign import ccall unsafe "HSCurses.h attr_set" attr_set :: Attr -> CShort -> Ptr a -> IO Int -- foreign import ccall unsafe "HSCurses.h attr_get" :: Attr -> CShort -> Ptr a -> IO Int foreign import ccall unsafe "HSCurses.h wattr_set" wattr_set :: Window -> Attr -> CInt -> Ptr a -> IO CInt foreign import ccall unsafe "HSCurses.h wattr_get" wattr_get :: Window -> Ptr Attr -> Ptr CShort -> Ptr a -> IO CInt foreign import ccall "HSCurses.h attr_on" attr_on :: (Word32) -> Ptr a -> IO Int {-# LINE 621 "UI/HSCurses/Curses.hsc" #-} foreign import ccall "HSCurses.h attr_off" attr_off :: (Word32) -> Ptr a -> IO Int {-# LINE 622 "UI/HSCurses/Curses.hsc" #-} foreign import ccall "HSCurses.h attron" attron :: Int -> IO Int foreign import ccall "HSCurses.h attroff" attroff :: Int -> IO Int foreign import ccall unsafe "HSCurses.h wattron" wattron :: Window -> CInt -> IO CInt foreign import ccall unsafe "HSCurses.h wattroff" wattroff :: Window -> CInt -> IO CInt foreign import ccall standout :: IO Int foreign import ccall standend :: IO Int -- -- | -- wAttrSet :: Window -> (Attr,Pair) -> IO () wAttrSet w (a,(Pair p)) = throwIfErr_ "wattr_set" $ wattr_set w a (fromIntegral p) nullPtr -- -- | manipulate the current attributes of the named window. see curs_attr(3) -- wAttrGet :: Window -> IO (Attr,Pair) wAttrGet w = alloca $ \pa -> alloca $ \pp -> do throwIfErr_ "wattr_get" $ wattr_get w pa pp nullPtr a <- peek pa p <- peek pp return (a,Pair $ fromIntegral p) newtype Attr = Attr (Word32) deriving (Eq,Storable,Bits, Num, Show) {-# LINE 650 "UI/HSCurses/Curses.hsc" #-} -- -- | Normal display (no highlight) -- attr0 :: Attr {-# LINE 656 "UI/HSCurses/Curses.hsc" #-} attr0 = Attr (0) {-# LINE 657 "UI/HSCurses/Curses.hsc" #-} {-# LINE 660 "UI/HSCurses/Curses.hsc" #-} isAltCharset, isBlink, isBold, isDim, isHorizontal, isInvis, isLeft, isLow, isProtect, isReverse, isRight, isStandout, isTop, isUnderline, isVertical :: Attr -> Bool isAltCharset = isAttr (4194304) {-# LINE 666 "UI/HSCurses/Curses.hsc" #-} isBlink = isAttr (524288) {-# LINE 667 "UI/HSCurses/Curses.hsc" #-} isBold = isAttr (2097152) {-# LINE 668 "UI/HSCurses/Curses.hsc" #-} isDim = isAttr (1048576) {-# LINE 669 "UI/HSCurses/Curses.hsc" #-} isHorizontal = isAttr (33554432) {-# LINE 670 "UI/HSCurses/Curses.hsc" #-} isInvis = isAttr (8388608) {-# LINE 671 "UI/HSCurses/Curses.hsc" #-} isLeft = isAttr (67108864) {-# LINE 672 "UI/HSCurses/Curses.hsc" #-} isLow = isAttr (134217728) {-# LINE 673 "UI/HSCurses/Curses.hsc" #-} isProtect = isAttr (16777216) {-# LINE 674 "UI/HSCurses/Curses.hsc" #-} isReverse = isAttr (262144) {-# LINE 675 "UI/HSCurses/Curses.hsc" #-} isRight = isAttr (268435456) {-# LINE 676 "UI/HSCurses/Curses.hsc" #-} isStandout = isAttr (65536) {-# LINE 677 "UI/HSCurses/Curses.hsc" #-} isTop = isAttr (536870912) {-# LINE 678 "UI/HSCurses/Curses.hsc" #-} isUnderline = isAttr (131072) {-# LINE 679 "UI/HSCurses/Curses.hsc" #-} isVertical = isAttr (1073741824) {-# LINE 680 "UI/HSCurses/Curses.hsc" #-} isAttr :: (Word32) -> Attr -> Bool {-# LINE 682 "UI/HSCurses/Curses.hsc" #-} isAttr b (Attr a) = a .&. b /= 0 -- -- | Setting attributes -- setAltCharset, setBlink, setBold, setDim, setHorizontal, setInvis, setLeft, setLow, setProtect, setReverse, setRight, setStandout, setTop, setUnderline, setVertical :: Attr -> Bool -> Attr setAltCharset = setAttr (4194304) {-# LINE 692 "UI/HSCurses/Curses.hsc" #-} setBlink = setAttr (524288) {-# LINE 693 "UI/HSCurses/Curses.hsc" #-} setBold = setAttr (2097152) {-# LINE 694 "UI/HSCurses/Curses.hsc" #-} setDim = setAttr (1048576) {-# LINE 695 "UI/HSCurses/Curses.hsc" #-} setHorizontal = setAttr (33554432) {-# LINE 696 "UI/HSCurses/Curses.hsc" #-} setInvis = setAttr (8388608) {-# LINE 697 "UI/HSCurses/Curses.hsc" #-} setLeft = setAttr (67108864) {-# LINE 698 "UI/HSCurses/Curses.hsc" #-} setLow = setAttr (134217728) {-# LINE 699 "UI/HSCurses/Curses.hsc" #-} setProtect = setAttr (16777216) {-# LINE 700 "UI/HSCurses/Curses.hsc" #-} setReverse = setAttr (262144) {-# LINE 701 "UI/HSCurses/Curses.hsc" #-} setRight = setAttr (268435456) {-# LINE 702 "UI/HSCurses/Curses.hsc" #-} setStandout = setAttr (65536) {-# LINE 703 "UI/HSCurses/Curses.hsc" #-} setTop = setAttr (536870912) {-# LINE 704 "UI/HSCurses/Curses.hsc" #-} setUnderline = setAttr (131072) {-# LINE 705 "UI/HSCurses/Curses.hsc" #-} setVertical = setAttr (1073741824) {-# LINE 706 "UI/HSCurses/Curses.hsc" #-} setAttr :: (Word32) -> Attr -> Bool -> Attr {-# LINE 708 "UI/HSCurses/Curses.hsc" #-} setAttr b (Attr a) False = Attr (a .&. complement b) setAttr b (Attr a) True = Attr (a .|. b) attrPlus :: Attr -> Attr -> Attr attrPlus (Attr a) (Attr b) = Attr (a .|. b) attrSet :: Attr -> Pair -> IO () attrSet attr (Pair p) = throwIfErr_ "attrset" $ attr_set attr (fromIntegral p) nullPtr attrOn :: Attr -> IO () attrOn (Attr attr) = throwIfErr_ "attr_on" $ attr_on attr nullPtr attrOff :: Attr -> IO () attrOff (Attr attr) = throwIfErr_ "attr_off" $ attr_off attr nullPtr wAttrOn :: Window -> Int -> IO () wAttrOn w x = throwIfErr_ "wattron" $ wattron w (fi x) wAttrOff :: Window -> Int -> IO () wAttrOff w x = throwIfErr_ "wattroff" $ wattroff w (fi x) attrDimOn :: IO () attrDimOn = throwIfErr_ "attron A_DIM" $ attron (1048576) {-# LINE 738 "UI/HSCurses/Curses.hsc" #-} attrDimOff :: IO () attrDimOff = throwIfErr_ "attroff A_DIM" $ attroff (1048576) {-# LINE 742 "UI/HSCurses/Curses.hsc" #-} attrBoldOn :: IO () attrBoldOn = throwIfErr_ "attron A_BOLD" $ attron (2097152) {-# LINE 746 "UI/HSCurses/Curses.hsc" #-} attrBoldOff :: IO () attrBoldOff = throwIfErr_ "attroff A_BOLD" $ attroff (2097152) {-# LINE 750 "UI/HSCurses/Curses.hsc" #-} attrDim :: Int attrDim = (1048576) {-# LINE 754 "UI/HSCurses/Curses.hsc" #-} attrBold :: Int attrBold = (2097152) {-# LINE 756 "UI/HSCurses/Curses.hsc" #-} ------------------------------------------------------------------------ foreign import ccall safe waddch :: Window -> ChType -> IO CInt foreign import ccall safe waddchnstr :: Window -> CString -> CInt -> IO CInt foreign import ccall safe "static curses.h mvaddch" mvaddch_c :: CInt -> CInt -> ChType -> IO () mvWAddStr :: Window -> Int -> Int -> String -> IO () mvWAddStr w y x str = wMove w y x >> wAddStr w str mvAddCh :: Int -> Int -> ChType -> IO () mvAddCh l m n = mvaddch_c (fromIntegral l) (fromIntegral m) (fromIntegral n) addLn :: IO () addLn = wAddStr stdScr "\n" -- -- | normalise the string, stripping \\r and making control chars -- printable. Called over all output(?) {- normalise :: String -> String normalise [] = [] normalise ('\r':cs) = normalise cs normalise (c:cs) | isControl c = '@' : normalise cs | otherwise = c : normalise cs {-# INLINE normalise #-} -} {- normalise s = map f . filter (/= '\r') s where f c | isPrint c = c f c = '@' -} ------------------------------------------------------------------------ {-# LINE 799 "UI/HSCurses/Curses.hsc" #-} --wAddStr :: Window -> String -> IO () --wAddStr w str = throwIfErr_ ("waddnwstr: " ++ show str) $ withCWStringLen (normalise str) (\(ws,len) -> waddnwstr w ws (fi len)) foreign import ccall unsafe waddnwstr :: Window -> CWString -> CInt -> IO CInt wAddStr :: Window -> String -> IO () wAddStr win str = do let convStr f = case f [] of [] -> return () s -> throwIfErr_ "waddnstr" $ withCWStringLen (s) (\(ws,len) -> (waddnwstr win ws (fi len))) loop [] acc = convStr acc loop (ch:str') acc = recognize ch (loop str' (acc . (ch:))) (\ch' -> do convStr acc throwIfErr "waddch" $ waddch win ch' loop str' id) loop str id {-# LINE 846 "UI/HSCurses/Curses.hsc" #-} foreign import ccall safe vline :: Char -> Int -> IO () ------------------------------------------------------------------------ -- -- what ? -- {-# LINE 859 "UI/HSCurses/Curses.hsc" #-} bkgrndSet :: Attr -> Pair -> IO () bkgrndSet (Attr a) p = bkgdset $ fromIntegral (ord ' ') .|. (if a .&. 4194304 /= 0 then 4194304 else 0) .|. {-# LINE 864 "UI/HSCurses/Curses.hsc" #-} (if a .&. 524288 /= 0 then 524288 else 0) .|. {-# LINE 865 "UI/HSCurses/Curses.hsc" #-} (if a .&. 2097152 /= 0 then 2097152 else 0) .|. {-# LINE 866 "UI/HSCurses/Curses.hsc" #-} (if a .&. 1048576 /= 0 then 1048576 else 0) .|. {-# LINE 867 "UI/HSCurses/Curses.hsc" #-} (if a .&. 8388608 /= 0 then 8388608 else 0) .|. {-# LINE 868 "UI/HSCurses/Curses.hsc" #-} (if a .&. 16777216 /= 0 then 16777216 else 0) .|. {-# LINE 869 "UI/HSCurses/Curses.hsc" #-} (if a .&. 262144 /= 0 then 262144 else 0) .|. {-# LINE 870 "UI/HSCurses/Curses.hsc" #-} (if a .&. 65536 /= 0 then 65536 else 0) .|. {-# LINE 871 "UI/HSCurses/Curses.hsc" #-} (if a .&. 131072 /= 0 then 131072 else 0) .|. {-# LINE 872 "UI/HSCurses/Curses.hsc" #-} colorPair p foreign import ccall unsafe bkgdset :: ChType -> IO () erase :: IO () erase = throwIfErr_ "erase" $ werase_c stdScr foreign import ccall unsafe "werase" werase_c :: Window -> IO CInt wclear :: Window -> IO () wclear w = throwIfErr_ "wclear" $ wclear_c w foreign import ccall unsafe "wclear" wclear_c :: Window -> IO CInt clrToEol :: IO () clrToEol = throwIfErr_ "clrtoeol" clrtoeol foreign import ccall unsafe clrtoeol :: IO CInt -- -- | > move the cursor associated with the window -- > to line y and column x. This routine does not move the -- > physical cursor of the terminal until refresh is called. -- > The position specified is relative to the upper left-hand -- > corner of the window, which is (0,0). -- -- Note that 'move_c' may be a macro. -- move :: Int -> Int -> IO () move y x = throwIfErr_ "move" $ move_c (fromIntegral y) (fromIntegral x) foreign import ccall unsafe "move" move_c :: CInt -> CInt -> IO CInt -- -- | > move the cursor associated with the window -- > to line y and column x. This routine does not move the -- > physical cursor of the terminal until refresh is called. -- > The position specified is relative to the upper left-hand -- > corner of the window, which is (0,0). -- wMove :: Window -> Int -> Int -> IO () wMove w y x = throwIfErr_ "wmove" $ wmove w (fi y) (fi x) foreign import ccall unsafe wmove :: Window -> CInt -> CInt -> IO CInt ------------------ -- Cursor routines ------------------ data CursorVisibility = CursorInvisible | CursorVisible | CursorVeryVisible vis_c :: CursorVisibility -> CInt vis_c vis = case vis of CursorInvisible -> 0 CursorVisible -> 1 CursorVeryVisible -> 2 c_vis :: CInt -> CursorVisibility c_vis 0 = CursorInvisible c_vis 1 = CursorVisible c_vis 2 = CursorVeryVisible c_vis n = error ("Illegal C value for cursor visibility: " ++ show n) -- -- | Set the cursor state -- -- > The curs_set routine sets the cursor state is set to -- > invisible, normal, or very visible for visibility equal to -- > 0, 1, or 2 respectively. If the terminal supports the -- > visibility requested, the previous cursor state is -- > returned; otherwise, ERR is returned. -- cursSet :: CursorVisibility -> IO CursorVisibility cursSet CursorInvisible = do leaveOk True old <- curs_set 0 return $ c_vis old cursSet v = do leaveOk False old <- curs_set (vis_c v) return $ c_vis old foreign import ccall unsafe "HSCurses.h curs_set" curs_set :: CInt -> IO CInt -- -- | Get the current cursor coordinates -- getYX :: Window -> IO (Int, Int) getYX w = alloca $ \py -> -- allocate two ints on the stack alloca $ \px -> do nomacro_getyx w py px -- writes current cursor coords y <- peek py x <- peek px return (fromIntegral y, fromIntegral x) -- -- | Get the current cursor coords, written into the two argument ints. -- -- > The getyx macro places the current cursor position of the given -- > window in the two integer variables y and x. -- -- void getyx(WINDOW *win, int y, int x); -- foreign import ccall unsafe "HSCursesUtils.h hscurses_nomacro_getyx" nomacro_getyx :: Window -> Ptr CInt -> Ptr CInt -> IO () ------------------------------------------------------------------------ touchWin :: Window -> IO () touchWin w = throwIfErr_ "touchwin" $ touchwin w foreign import ccall touchwin :: Window -> IO CInt newPad :: Int -> Int -> IO Window newPad nlines ncols = throwIfNull "newpad" $ newpad (fromIntegral nlines) (fromIntegral ncols) pRefresh :: Window -> Int -> Int -> Int -> Int -> Int -> Int -> IO () pRefresh pad pminrow pmincol sminrow smincol smaxrow smaxcol = throwIfErr_ "prefresh" $ prefresh pad (fromIntegral pminrow) (fromIntegral pmincol) (fromIntegral sminrow) (fromIntegral smincol) (fromIntegral smaxrow) (fromIntegral smaxcol) delWin :: Window -> IO () delWin w = throwIfErr_ "delwin" $ delwin w foreign import ccall unsafe prefresh :: Window -> CInt -> CInt -> CInt -> CInt -> CInt -> CInt -> IO CInt foreign import ccall unsafe newpad :: CInt -> CInt -> IO Window foreign import ccall unsafe delwin :: Window -> IO CInt newWin :: Int -> Int -> Int -> Int -> IO Window newWin nlines ncolumn begin_y begin_x = throwIfNull "newwin" $ newwin (fi nlines) (fi ncolumn) (fi begin_y) (fi begin_x) foreign import ccall unsafe newwin :: CInt -> CInt -> CInt -> CInt -> IO Window wClrToEol :: Window -> IO () wClrToEol w = throwIfErr_ "wclrtoeol" $ wclrtoeol w foreign import ccall unsafe wclrtoeol :: Window -> IO CInt -- -- | > The getch, wgetch, mvgetch and mvwgetch, routines read a -- > character from the window. -- {-# LINE 1032 "UI/HSCurses/Curses.hsc" #-} foreign import ccall unsafe "HSCurses.h getch" getch :: IO CInt {-# LINE 1034 "UI/HSCurses/Curses.hsc" #-} --foreign import ccall unsafe def_prog_mode :: IO CInt --foreign import ccall unsafe reset_prog_mode :: IO CInt foreign import ccall unsafe flushinp :: IO CInt foreign import ccall unsafe "HSCurses.h noqiflush" noqiflush :: IO () foreign import ccall unsafe "HSCurses.h beep" c_beep :: IO CInt foreign import ccall unsafe "HSCurses.h flash" c_flash :: IO CInt beep :: IO () beep = do br <- c_beep when (br /= (0)) (c_flash >> return ()) {-# LINE 1048 "UI/HSCurses/Curses.hsc" #-} ------------------------------------------------------------------------ -- -- | Map curses keys to key abstraction -- data Key = KeyChar Char | KeyBreak | KeyDown | KeyUp | KeyLeft | KeyRight | KeyHome | KeyBackspace | KeyF Int | KeyDL | KeyIL | KeyDC | KeyIC | KeyEIC | KeyClear | KeyEOS | KeyEOL | KeySF | KeySR | KeyNPage | KeyPPage | KeySTab | KeyCTab | KeyCATab | KeyEnter | KeySReset | KeyReset | KeyPrint | KeyLL | KeyA1 | KeyA3 | KeyB2 | KeyC1 | KeyC3 | KeyBTab | KeyBeg | KeyCancel | KeyClose | KeyCommand | KeyCopy | KeyCreate | KeyEnd | KeyExit | KeyFind | KeyHelp | KeyMark | KeyMessage | KeyMove | KeyNext | KeyOpen | KeyOptions | KeyPrevious | KeyRedo | KeyReference | KeyRefresh | KeyReplace | KeyRestart | KeyResume | KeySave | KeySBeg | KeySCancel | KeySCommand | KeySCopy | KeySCreate | KeySDC | KeySDL | KeySelect | KeySEnd | KeySEOL | KeySExit | KeySFind | KeySHelp | KeySHome | KeySIC | KeySLeft | KeySMessage | KeySMove | KeySNext | KeySOptions | KeySPrevious | KeySPrint | KeySRedo | KeySReplace | KeySRight | KeySRsume | KeySSave | KeySSuspend | KeySUndo | KeySuspend | KeyUndo | KeyResize | KeyMouse | KeyUnknown Int deriving (Eq,Show) decodeKey :: CInt -> Key decodeKey key = case key of _ | key >= 0 && key <= 255 -> KeyChar (chr (fromIntegral key)) (257) -> KeyBreak {-# LINE 1077 "UI/HSCurses/Curses.hsc" #-} (258) -> KeyDown {-# LINE 1078 "UI/HSCurses/Curses.hsc" #-} (259) -> KeyUp {-# LINE 1079 "UI/HSCurses/Curses.hsc" #-} (260) -> KeyLeft {-# LINE 1080 "UI/HSCurses/Curses.hsc" #-} (261) -> KeyRight {-# LINE 1081 "UI/HSCurses/Curses.hsc" #-} (262) -> KeyHome {-# LINE 1082 "UI/HSCurses/Curses.hsc" #-} (263) -> KeyBackspace {-# LINE 1083 "UI/HSCurses/Curses.hsc" #-} _ | key >= (264) && key <= (327) {-# LINE 1084 "UI/HSCurses/Curses.hsc" #-} -> KeyF (fromIntegral (key - 264)) {-# LINE 1085 "UI/HSCurses/Curses.hsc" #-} (328) -> KeyDL {-# LINE 1086 "UI/HSCurses/Curses.hsc" #-} (329) -> KeyIL {-# LINE 1087 "UI/HSCurses/Curses.hsc" #-} (330) -> KeyDC {-# LINE 1088 "UI/HSCurses/Curses.hsc" #-} (331) -> KeyIC {-# LINE 1089 "UI/HSCurses/Curses.hsc" #-} (332) -> KeyEIC {-# LINE 1090 "UI/HSCurses/Curses.hsc" #-} (333) -> KeyClear {-# LINE 1091 "UI/HSCurses/Curses.hsc" #-} (334) -> KeyEOS {-# LINE 1092 "UI/HSCurses/Curses.hsc" #-} (335) -> KeyEOL {-# LINE 1093 "UI/HSCurses/Curses.hsc" #-} (336) -> KeySF {-# LINE 1094 "UI/HSCurses/Curses.hsc" #-} (337) -> KeySR {-# LINE 1095 "UI/HSCurses/Curses.hsc" #-} (338) -> KeyNPage {-# LINE 1096 "UI/HSCurses/Curses.hsc" #-} (339) -> KeyPPage {-# LINE 1097 "UI/HSCurses/Curses.hsc" #-} (340) -> KeySTab {-# LINE 1098 "UI/HSCurses/Curses.hsc" #-} (341) -> KeyCTab {-# LINE 1099 "UI/HSCurses/Curses.hsc" #-} (342) -> KeyCATab {-# LINE 1100 "UI/HSCurses/Curses.hsc" #-} (343) -> KeyEnter {-# LINE 1101 "UI/HSCurses/Curses.hsc" #-} (344) -> KeySReset {-# LINE 1102 "UI/HSCurses/Curses.hsc" #-} (345) -> KeyReset {-# LINE 1103 "UI/HSCurses/Curses.hsc" #-} (346) -> KeyPrint {-# LINE 1104 "UI/HSCurses/Curses.hsc" #-} (347) -> KeyLL {-# LINE 1105 "UI/HSCurses/Curses.hsc" #-} (348) -> KeyA1 {-# LINE 1106 "UI/HSCurses/Curses.hsc" #-} (349) -> KeyA3 {-# LINE 1107 "UI/HSCurses/Curses.hsc" #-} (350) -> KeyB2 {-# LINE 1108 "UI/HSCurses/Curses.hsc" #-} (351) -> KeyC1 {-# LINE 1109 "UI/HSCurses/Curses.hsc" #-} (352) -> KeyC3 {-# LINE 1110 "UI/HSCurses/Curses.hsc" #-} (353) -> KeyBTab {-# LINE 1111 "UI/HSCurses/Curses.hsc" #-} (354) -> KeyBeg {-# LINE 1112 "UI/HSCurses/Curses.hsc" #-} (355) -> KeyCancel {-# LINE 1113 "UI/HSCurses/Curses.hsc" #-} (356) -> KeyClose {-# LINE 1114 "UI/HSCurses/Curses.hsc" #-} (357) -> KeyCommand {-# LINE 1115 "UI/HSCurses/Curses.hsc" #-} (358) -> KeyCopy {-# LINE 1116 "UI/HSCurses/Curses.hsc" #-} (359) -> KeyCreate {-# LINE 1117 "UI/HSCurses/Curses.hsc" #-} (360) -> KeyEnd {-# LINE 1118 "UI/HSCurses/Curses.hsc" #-} (361) -> KeyExit {-# LINE 1119 "UI/HSCurses/Curses.hsc" #-} (362) -> KeyFind {-# LINE 1120 "UI/HSCurses/Curses.hsc" #-} (363) -> KeyHelp {-# LINE 1121 "UI/HSCurses/Curses.hsc" #-} (364) -> KeyMark {-# LINE 1122 "UI/HSCurses/Curses.hsc" #-} (365) -> KeyMessage {-# LINE 1123 "UI/HSCurses/Curses.hsc" #-} (366) -> KeyMove {-# LINE 1124 "UI/HSCurses/Curses.hsc" #-} (367) -> KeyNext {-# LINE 1125 "UI/HSCurses/Curses.hsc" #-} (368) -> KeyOpen {-# LINE 1126 "UI/HSCurses/Curses.hsc" #-} (369) -> KeyOptions {-# LINE 1127 "UI/HSCurses/Curses.hsc" #-} (370) -> KeyPrevious {-# LINE 1128 "UI/HSCurses/Curses.hsc" #-} (371) -> KeyRedo {-# LINE 1129 "UI/HSCurses/Curses.hsc" #-} (372) -> KeyReference {-# LINE 1130 "UI/HSCurses/Curses.hsc" #-} (373) -> KeyRefresh {-# LINE 1131 "UI/HSCurses/Curses.hsc" #-} (374) -> KeyReplace {-# LINE 1132 "UI/HSCurses/Curses.hsc" #-} (375) -> KeyRestart {-# LINE 1133 "UI/HSCurses/Curses.hsc" #-} (376) -> KeyResume {-# LINE 1134 "UI/HSCurses/Curses.hsc" #-} (377) -> KeySave {-# LINE 1135 "UI/HSCurses/Curses.hsc" #-} (378) -> KeySBeg {-# LINE 1136 "UI/HSCurses/Curses.hsc" #-} (379) -> KeySCancel {-# LINE 1137 "UI/HSCurses/Curses.hsc" #-} (380) -> KeySCommand {-# LINE 1138 "UI/HSCurses/Curses.hsc" #-} (381) -> KeySCopy {-# LINE 1139 "UI/HSCurses/Curses.hsc" #-} (382) -> KeySCreate {-# LINE 1140 "UI/HSCurses/Curses.hsc" #-} (383) -> KeySDC {-# LINE 1141 "UI/HSCurses/Curses.hsc" #-} (384) -> KeySDL {-# LINE 1142 "UI/HSCurses/Curses.hsc" #-} (385) -> KeySelect {-# LINE 1143 "UI/HSCurses/Curses.hsc" #-} (386) -> KeySEnd {-# LINE 1144 "UI/HSCurses/Curses.hsc" #-} (387) -> KeySEOL {-# LINE 1145 "UI/HSCurses/Curses.hsc" #-} (388) -> KeySExit {-# LINE 1146 "UI/HSCurses/Curses.hsc" #-} (389) -> KeySFind {-# LINE 1147 "UI/HSCurses/Curses.hsc" #-} (390) -> KeySHelp {-# LINE 1148 "UI/HSCurses/Curses.hsc" #-} (391) -> KeySHome {-# LINE 1149 "UI/HSCurses/Curses.hsc" #-} (392) -> KeySIC {-# LINE 1150 "UI/HSCurses/Curses.hsc" #-} (393) -> KeySLeft {-# LINE 1151 "UI/HSCurses/Curses.hsc" #-} (394) -> KeySMessage {-# LINE 1152 "UI/HSCurses/Curses.hsc" #-} (395) -> KeySMove {-# LINE 1153 "UI/HSCurses/Curses.hsc" #-} (396) -> KeySNext {-# LINE 1154 "UI/HSCurses/Curses.hsc" #-} (397) -> KeySOptions {-# LINE 1155 "UI/HSCurses/Curses.hsc" #-} (398) -> KeySPrevious {-# LINE 1156 "UI/HSCurses/Curses.hsc" #-} (399) -> KeySPrint {-# LINE 1157 "UI/HSCurses/Curses.hsc" #-} (400) -> KeySRedo {-# LINE 1158 "UI/HSCurses/Curses.hsc" #-} (401) -> KeySReplace {-# LINE 1159 "UI/HSCurses/Curses.hsc" #-} (402) -> KeySRight {-# LINE 1160 "UI/HSCurses/Curses.hsc" #-} (403) -> KeySRsume {-# LINE 1161 "UI/HSCurses/Curses.hsc" #-} (404) -> KeySSave {-# LINE 1162 "UI/HSCurses/Curses.hsc" #-} (405) -> KeySSuspend {-# LINE 1163 "UI/HSCurses/Curses.hsc" #-} (406) -> KeySUndo {-# LINE 1164 "UI/HSCurses/Curses.hsc" #-} (407) -> KeySuspend {-# LINE 1165 "UI/HSCurses/Curses.hsc" #-} (408) -> KeyUndo {-# LINE 1166 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1167 "UI/HSCurses/Curses.hsc" #-} (410) -> KeyResize {-# LINE 1168 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1169 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1170 "UI/HSCurses/Curses.hsc" #-} (409) -> KeyMouse {-# LINE 1171 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1172 "UI/HSCurses/Curses.hsc" #-} _ -> KeyUnknown (fromIntegral key) keyResizeCode :: Maybe CInt {-# LINE 1176 "UI/HSCurses/Curses.hsc" #-} keyResizeCode = Just (410) {-# LINE 1177 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1180 "UI/HSCurses/Curses.hsc" #-} cERR :: CInt cERR = -1 {-# LINE 1183 "UI/HSCurses/Curses.hsc" #-} cKEY_UP, cKEY_DOWN, cKEY_LEFT, cKEY_RIGHT :: ChType cKEY_UP = 259 {-# LINE 1186 "UI/HSCurses/Curses.hsc" #-} cKEY_DOWN = 258 {-# LINE 1187 "UI/HSCurses/Curses.hsc" #-} cKEY_LEFT = 260 {-# LINE 1188 "UI/HSCurses/Curses.hsc" #-} cKEY_RIGHT = 261 {-# LINE 1189 "UI/HSCurses/Curses.hsc" #-} -- cACS_BLOCK :: ChType -- cACS_BLOCK = #const ACS_BLOCK cTRUE :: NBool cTRUE = 1 {-# LINE 1195 "UI/HSCurses/Curses.hsc" #-} -- --------------------------------------------------------------------- -- get char -- -- ncurses ungetch and Haskell's threadWaitRead do not work together well. -- So I decided to implement my own input queue. ungetCh :: (Integral a) => a -> IO () ungetCh i = do debug "ungetCh called" writeChan inputBuf (BufDirect (fi i)) data BufData = BufDirect CInt -- data directly available | DataViaGetch -- data can be obtained by calling getch inputBuf :: Chan BufData inputBuf = unsafePerformIO newChan {-# NOINLINE inputBuf #-} getchToInputBuf :: IO () getchToInputBuf = do threadWaitRead (fi (0::Int)) {- From the (n)curses manpage: Programmers concerned about portability should be prepared for either of two cases: (a) signal receipt does not interrupt getch; (b) signal receipt interrupts getch and causes it to return ERR with errno set to EINTR. Under the ncurses implementation, handled signals never inter$B!>(B rupt getch. -} -- we only signalize that getch can now called without getting blocked. -- directly calling `getch' might result in losing the character just -- read (race condition). debug "now input available on stdin" writeChan inputBuf DataViaGetch -- -- | read a character from the window -- getCh :: IO Key getCh = do debug "getCh called" tid <- forkIO getchToInputBuf d <- readChan inputBuf killThread tid -- we can kill the thread savely, because the thread does -- not read any data via getch v <- case d of BufDirect x -> do debug "getCh: getting data directly from buffer" return x DataViaGetch -> do debug "getCh: getting data via getch" getch -- won't block! case v of (-1) -> -- NO CODE IN THIS LINE {-# LINE 1249 "UI/HSCurses/Curses.hsc" #-} do e <- getErrno if e `elem` [eAGAIN, eINTR] then do debug "Curses.getCh returned eAGAIN or eINTR" getCh else throwErrno "HSCurses.Curses.getch" k -> let k' = decodeKey k in do debug ("getCh: result = " ++ show k') return k' resizeTerminal :: Int -> Int -> IO () {-# LINE 1267 "UI/HSCurses/Curses.hsc" #-} resizeTerminal _ _ = return () {-# LINE 1269 "UI/HSCurses/Curses.hsc" #-} -- -- | The SIGWINCH signal is sent whenever the terminal size changes. -- This signal is not available on all platforms, so it is a |Maybe| value. -- {-# LINE 1278 "UI/HSCurses/Curses.hsc" #-} cursesSigWinch :: Maybe Signal {-# LINE 1281 "UI/HSCurses/Curses.hsc" #-} cursesSigWinch = Just (28) {-# LINE 1282 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1285 "UI/HSCurses/Curses.hsc" #-} ------------ -- Test case ------------ cursesTest :: IO () cursesTest = do initScr hc <- hasColors when hc startColor ccc <- canChangeColor (ys,xs) <- scrSize cp <- colorPairs cs <- colors endWin putStrLn $ "ScreenSize: " ++ show (xs,ys) putStrLn $ "hasColors: " ++ show hc putStrLn $ "canChangeColor: " ++ show ccc putStrLn $ "colorPairs: " ++ show cp putStrLn $ "colors: " ++ show cs ----------------- -- Mouse Routines ----------------- data MouseEvent = MouseEvent { mouseEventId :: Int, mouseEventX :: Int, mouseEventY :: Int, mouseEventZ :: Int, mouseEventButton :: [ButtonEvent] } deriving(Show) data ButtonEvent = ButtonPressed Int | ButtonReleased Int | ButtonClicked Int | ButtonDoubleClicked Int | ButtonTripleClicked Int | ButtonShift | ButtonControl | ButtonAlt deriving(Eq,Show) withMouseEventMask :: MonadIO m => [ButtonEvent] -> m a -> m a {-# LINE 1328 "UI/HSCurses/Curses.hsc" #-} foreign import ccall unsafe "HSCurses.h mousemask" mousemask :: (Word32) -> Ptr (Word32) -> IO (Word32) {-# LINE 1331 "UI/HSCurses/Curses.hsc" #-} withMouseEventMask bes action = do ov <- liftIO $ alloca (\a -> mousemask (besToMouseMask bes) a >> peek a) r <- action liftIO $ mousemask ov nullPtr return r besToMouseMask :: [ButtonEvent] -> (Word32) {-# LINE 1339 "UI/HSCurses/Curses.hsc" #-} besToMouseMask bes = foldl' (.|.) 0 (map cb bes) where cb (ButtonPressed 1) = (2) {-# LINE 1341 "UI/HSCurses/Curses.hsc" #-} cb (ButtonPressed 2) = (128) {-# LINE 1342 "UI/HSCurses/Curses.hsc" #-} cb (ButtonPressed 3) = (8192) {-# LINE 1343 "UI/HSCurses/Curses.hsc" #-} cb (ButtonPressed 4) = (524288) {-# LINE 1344 "UI/HSCurses/Curses.hsc" #-} cb (ButtonReleased 1) = (1) {-# LINE 1345 "UI/HSCurses/Curses.hsc" #-} cb (ButtonReleased 2) = (64) {-# LINE 1346 "UI/HSCurses/Curses.hsc" #-} cb (ButtonReleased 3) = (4096) {-# LINE 1347 "UI/HSCurses/Curses.hsc" #-} cb (ButtonReleased 4) = (262144) {-# LINE 1348 "UI/HSCurses/Curses.hsc" #-} cb (ButtonClicked 1) = (4) {-# LINE 1349 "UI/HSCurses/Curses.hsc" #-} cb (ButtonClicked 2) = (256) {-# LINE 1350 "UI/HSCurses/Curses.hsc" #-} cb (ButtonClicked 3) = (16384) {-# LINE 1351 "UI/HSCurses/Curses.hsc" #-} cb (ButtonClicked 4) = (1048576) {-# LINE 1352 "UI/HSCurses/Curses.hsc" #-} cb ButtonShift = (33554432) {-# LINE 1353 "UI/HSCurses/Curses.hsc" #-} cb ButtonAlt = (67108864) {-# LINE 1354 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1355 "UI/HSCurses/Curses.hsc" #-} cb ButtonControl = (16777216) {-# LINE 1356 "UI/HSCurses/Curses.hsc" #-} {-# LINE 1359 "UI/HSCurses/Curses.hsc" #-} cb _ = 0 {-# LINE 1366 "UI/HSCurses/Curses.hsc" #-} ulCorner, llCorner, urCorner, lrCorner, rTee, lTee, bTee, tTee, hLine, vLine, plus, s1, s9, diamond, ckBoard, degree, plMinus, bullet, lArrow, rArrow, dArrow, uArrow, board, lantern, block, s3, s7, lEqual, gEqual, pi, nEqual, sterling :: Char ulCorner = chr 0x250C llCorner = chr 0x2514 urCorner = chr 0x2510 lrCorner = chr 0x2518 rTee = chr 0x2524 lTee = chr 0x251C bTee = chr 0x2534 tTee = chr 0x252C hLine = chr 0x2500 vLine = chr 0x2502 plus = chr 0x253C s1 = chr 0x23BA -- was: 0xF800 s9 = chr 0x23BD -- was: 0xF804 diamond = chr 0x25C6 ckBoard = chr 0x2592 degree = chr 0x00B0 plMinus = chr 0x00B1 bullet = chr 0x00B7 lArrow = chr 0x2190 rArrow = chr 0x2192 dArrow = chr 0x2193 uArrow = chr 0x2191 board = chr 0x2591 lantern = chr 0x256C block = chr 0x2588 s3 = chr 0x23BB -- was: 0xF801 s7 = chr 0x23BC -- was: 0xF803 lEqual = chr 0x2264 gEqual = chr 0x2265 pi = chr 0x03C0 nEqual = chr 0x2260 sterling = chr 0x00A3 {- -- haddock doesn't like these commented out with -- #if defined(__STDC_ISO_10646__) && defined(HAVE_WADDNWSTR) #else -} recognize :: Char -> IO a -> (ChType -> IO a) -> IO a recognize _ch noConvert _convert = noConvert -- Handle the most common case first. -- --------------------------------------------------------------------- -- code graveyard -- {- addStr :: String -> IO () addStr str = throwIfErr_ "addstr" $ withCStringConv (readIORef cursesOutConv) str addstr foreign import ccall unsafe addstr :: Ptr CChar -> IO CInt addStrLn :: String -> IO () addStrLn str = addStr str >> addLn -- -- | add a string of characters to a curses window and advance cursor -- curs_addstr(3) -- wAddStr :: Window -> String -> IO () wAddStr w str = throwIfErr_ "waddstr" $ withCStringConv (readIORef cursesOutConv) str (waddstr w) foreign import ccall unsafe waddstr :: Window -> Ptr CChar -> IO CInt addGraphStr :: String -> IO () addGraphStr str = do conv <- readIORef cursesOutConv let convStr f = case f [] of [] -> return () s -> throwIfErr_ "addstr" $ withCStringConv (return conv) s addstr loop [] acc = convStr acc loop (ch:str') acc = recognize ch (loop str' (acc . (ch:))) (\ch' -> do convStr acc throwIfErr "addch" $ addch ch' loop str' id) loop str id addGraphStrLn :: String -> IO () addGraphStrLn str = do addGraphStr str; addLn -} -- vim: sw=4 ts=4