ncurses-0.2.16/0000755000000000000000000000000012760705521011455 5ustar0000000000000000ncurses-0.2.16/Setup.hs0000644000000000000000000000005612760705521013112 0ustar0000000000000000import Distribution.Simple main = defaultMain ncurses-0.2.16/ncurses.cabal0000644000000000000000000000656012760705521014132 0ustar0000000000000000name: ncurses version: 0.2.16 license: GPL-3 license-file: license.txt author: John Millikin maintainer: John Millikin build-type: Simple cabal-version: >= 1.6 category: User Interfaces, Foreign stability: experimental homepage: https://john-millikin.com/software/haskell-ncurses/ bug-reports: mailto:jmillikin@gmail.com synopsis: Modernised bindings to GNU ncurses description: GNU ncurses is a library for creating command-line application with pseudo-graphical interfaces. This package is a nice, modern binding to GNU ncurses. . The following example is a program that displays the message \"Hello world!\" until the user hits Q: . @ import UI.NCurses . main :: IO () main = runCurses $ do setEcho False w <- defaultWindow updateWindow w $ do moveCursor 1 10 drawString \"Hello world!\" moveCursor 3 10 drawString \"(press q to quit)\" moveCursor 0 0 render waitFor w (\\ev -> ev == EventCharacter \'q\' || ev == EventCharacter \'Q\') . waitFor :: Window -> (Event -> Bool) -> Curses () waitFor w p = loop where loop = do ev <- getEvent w Nothing case ev of Nothing -> loop Just ev' -> if p ev' then return () else loop @ extra-source-files: cbits/hsncurses-shim.c cbits/hsncurses-shim.h cbits/mavericks-c2hs-workaround.h source-repository head type: git location: https://john-millikin.com/code/haskell-ncurses/ source-repository this type: git location: https://john-millikin.com/code/haskell-ncurses/ tag: haskell-ncurses_0.2.16 -- Do not use default to using pkg-config to find ncurses libraries, because -- the .pc files are missing or broken in many installations. flag use-pkgconfig default: False manual: True description: Use pkg-config to set linker and include flags. flag force-narrow-library default: False manual: True description: Force including and linking against ncurses instead of ncursesw. This is only useful on systems that have the ncursesw package installed incorrectly. On most systems this will cause compile- or run-time errors. library hs-source-dirs: lib ghc-options: -Wall -O2 include-dirs: . build-depends: base >= 4.0 && < 5.0 , containers >= 0.2 , text >= 0.7 , transformers >= 0.2 build-tools: c2hs >= 0.15 if flag(use-pkgconfig) if flag(force-narrow-library) cc-options: -DHSNCURSES_NARROW_HEADER pkgconfig-depends: ncurses, panel else pkgconfig-depends: ncursesw, panelw else -- MacOS has a version of ncurses where the narrow- and wide-character -- builds have been merged into a single header/dylib. -- -- Explicitly linking against libpthread.so fixes a build problem on -- platforms where the linker doesn't automatically follow dependencies. if os(darwin) || os(freebsd) || flag(force-narrow-library) cc-options: -DHSNCURSES_NARROW_HEADER if os(darwin) || flag(force-narrow-library) extra-libraries: panel ncurses pthread else extra-libraries: panelw ncursesw pthread c-sources: cbits/hsncurses-shim.c exposed-modules: UI.NCurses UI.NCurses.Panel other-modules: UI.NCurses.Enums UI.NCurses.Compat UI.NCurses.Types ncurses-0.2.16/license.txt0000644000000000000000000010451312760705521013644 0ustar0000000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . ncurses-0.2.16/cbits/0000755000000000000000000000000012760705521012561 5ustar0000000000000000ncurses-0.2.16/cbits/mavericks-c2hs-workaround.h0000644000000000000000000000102012760705521017735 0ustar0000000000000000#ifndef HASKELL_NCURSES_MAVERICKS_C2HS_WORKAROUND_H #define HASKELL_NCURSES_MAVERICKS_C2HS_WORKAROUND_H /** * OS X 10.9 (Mavericks) has some fancy macros in its that prevent * c2hs from parsing it. If we define those macros early to have no effect, * c2hs is able to proceed. **/ #ifdef __APPLE__ #define _ANSI_SOURCE #define __AVAILABILITY__ #define __OSX_AVAILABLE_STARTING(_mac, _iphone) #define __OSX_AVAILABLE_BUT_DEPRECATED(_macIntro, _macDep, _iphoneIntro, _iphoneDep) #endif #include #endif ncurses-0.2.16/cbits/hsncurses-shim.h0000644000000000000000000000067212760705521015712 0ustar0000000000000000#ifndef HASKELL_NCURSES_SHIM_H #define HASKELL_NCURSES_SHIM_H #include #define NCURSES_ENABLE_STDBOOL_H 0 #define _XOPEN_SOURCE_EXTENDED #define NCURSES_NOMACROS #ifdef HSNCURSES_NARROW_HEADER #include #else #include #endif int hsncurses_has_mouse(); int hsncurses_wget_wch(WINDOW *, wint_t *); void hsncurses_init_cchar_t(cchar_t *wch, attr_t attr, wchar_t *chars, size_t chars_len); #endif ncurses-0.2.16/cbits/hsncurses-shim.c0000644000000000000000000000226512760705521015705 0ustar0000000000000000#include #include #include "hsncurses-shim.h" #if NCURSES_VERSION_PATCH < 20081122 int _nc_has_mouse(); #endif int hsncurses_has_mouse() { #if NCURSES_VERSION_PATCH >= 20081122 return has_mouse(); #else return _nc_has_mouse(); #endif } int hsncurses_wget_wch(WINDOW *w, wint_t *out) { /* Haskell's runtime system uses alarm signals to implement thread scheduling. These signals can interrupt system calls such as accept(). ncurses doesn't handle interrupted system calls gracefully, so all the alarms can cause wget_wch() to return much earlier than expected. As a workaround, we block alarms for the duration of wget_wch(). */ int rc; sigset_t signal_alarm, old_mask; sigemptyset(&signal_alarm); sigaddset(&signal_alarm, SIGALRM); sigaddset(&signal_alarm, SIGVTALRM); pthread_sigmask(SIG_BLOCK, &signal_alarm, &old_mask); rc = wget_wch(w, out); pthread_sigmask(SIG_SETMASK, &old_mask, NULL); return rc; } void hsncurses_init_cchar_t(cchar_t *wch, attr_t attr, wchar_t *chars, size_t chars_len) { size_t ii; memset(wch, 0, sizeof(cchar_t)); wch->attr = attr; for (ii = 0; ii < chars_len && ii < CCHARW_MAX; ii++) { wch->chars[ii] = chars[ii]; } } ncurses-0.2.16/lib/0000755000000000000000000000000012760705521012223 5ustar0000000000000000ncurses-0.2.16/lib/UI/0000755000000000000000000000000012760705521012540 5ustar0000000000000000ncurses-0.2.16/lib/UI/NCurses.chs0000644000000000000000000011214412760705521014624 0ustar0000000000000000{-# LANGUAGE ForeignFunctionInterface #-} -- Copyright (C) 2010 John Millikin -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- any later version. -- -- This program 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 General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program. If not, see . module UI.NCurses ( -- * Primary types Curses , Update , Window , CursesException -- * Initialization , runCurses , defaultWindow -- * Window management , newWindow , closeWindow , cloneWindow , moveWindow , windowPosition , resizeWindow , windowSize , updateWindow -- ** Copying window content , OverlayMode(..) , overlay , copyWindow -- ** Virtual windows (pads) , Pad , newPad , closePad , updatePad -- * The cursor , moveCursor , cursorPosition , getCursor -- * Drawing to the screen , render , setColor , drawString , drawText , drawGlyph , drawBorder , drawBox , drawLineH , drawLineV , clear , clearLine , setBackground -- * Attributes , Attribute (..) , setAttribute , setAttributes -- * Colors , Color (..) , maxColor , ColorID , supportsColor , canDefineColor , defineColor , queryColor , defaultColorID , newColorID , setColorID , maxColorID -- * Glyphs , Glyph (..) -- ** VT100 drawing glyphs , glyphCornerUL , glyphCornerLL , glyphCornerUR , glyphCornerLR , glyphTeeL , glyphTeeR , glyphTeeB , glyphTeeT , glyphLineH , glyphLineV , glyphPlus , glyphScan1 , glyphScan9 , glyphDiamond , glyphStipple , glyphDegree , glyphPlusMinus , glyphBullet -- ** Teletype 5410v1 symbols , glyphArrowL , glyphArrowR , glyphArrowD , glyphArrowU , glyphBoard , glyphLantern , glyphBlock -- ** Other glyphs , glyphS3 , glyphS7 , glyphNE , glyphLTE , glyphGTE , glyphPi , glyphSterling -- * Event handling , Event (..) , getEvent -- ** Keyboard events , Key (..) -- ** Mouse events , ButtonState (..) , MouseState (..) -- * Cursor mode , CursorMode(CursorInvisible, CursorVisible, CursorVeryVisible) , setCursorMode -- * Error handling , tryCurses , catchCurses , throwCurses -- * misc , setRaw , setCBreak , setEcho , baudrate , beep , flash , hasMouse , enclosed , screenSize , setTouched , setRowsTouched , setKeypad , resizeTerminal ) where import Control.Exception (bracket_, catch, throwIO, try) import Control.Monad (when, unless) import qualified Control.Monad.Trans.Reader as R import Data.Char (chr, ord) import Data.List (foldl') import Data.Maybe (catMaybes) import qualified Data.Map as M import qualified Data.Text as T import Foreign hiding (shift, void) import Foreign.C import qualified UI.NCurses.Enums as E import UI.NCurses.Compat import UI.NCurses.Types #include "cbits/mavericks-c2hs-workaround.h" -- Note: c2hs has a hard time with the ncurses macros, and will choke on -- waddwstr() if NCURSES_NOMACROS is not defined prior to including -- ncurses.h in this file. -- -- Transitive includes from hsncurses-shim.h are not sufficient. #define NCURSES_ENABLE_STDBOOL_H 0 #define _XOPEN_SOURCE_EXTENDED #define NCURSES_NOMACROS #ifdef HSNCURSES_NARROW_HEADER #include #else #include #endif #include "cbits/hsncurses-shim.h" {# pointer *WINDOW as Window nocode #} {# pointer *cchar_t as CCharT newtype #} {# pointer *wchar_t as CWString nocode #} type AttrT = {# type attr_t #} type MMaskT = {# type mmask_t #} -- | Put the terminal in graphical mode, including enabling special keys, -- colors, and mouse events (if supported). -- -- After the 'Curses' block has finished running, the terminal is reset -- to text mode. runCurses :: Curses a -> IO a runCurses = bracket_ initCurses {# call endwin #} . unCurses where allEvents = fromInteger (E.fromEnum E.ALL_MOUSE_EVENTS) initCurses = do void {# call initscr #} void {# call cbreak #} void $ {# call mousemask #} allEvents nullPtr hasColor <- {# call has_colors #} when (hasColor == 1) $ do void {# call start_color #} void {# call use_default_colors #} stdscr <- peek c_stdscr void $ {# call keypad #} (Window stdscr) 1 void $ {# call meta #} (Window stdscr) 1 {# call wtimeout #} (Window stdscr) (- 1) -- | The default window created when @ncurses@ is initialized, also known -- as @stdscr@. defaultWindow :: Curses Window defaultWindow = Curses (Window `fmap` peek c_stdscr) foreign import ccall "static &stdscr" c_stdscr :: Ptr (Ptr Window) -- | Create a new 'Window', with the given dimensions. To create a -- fullscreen window, use @'newWindow' 0 0 0 0@. -- -- When the window is no longer needed, call 'closeWindow'. Windows are not -- garbage–collected, because there’s no way to know if -- they’re still in use (as a background, or event source, etc). newWindow :: Integer -- ^ Rows -> Integer -- ^ Columns -> Integer -- ^ Begin Y -> Integer -- ^ Begin X -> Curses Window newWindow rows cols x y = Curses $ do win <- {# call newwin #} (fromInteger rows) (fromInteger cols) (fromInteger x) (fromInteger y) if windowPtr win == nullPtr then throwIO (CursesException "newWindow: newwin() returned NULL") else do void $ {# call keypad #} win 1 void $ {# call meta #} win 1 {# call wtimeout #} win (- 1) return win -- | Close a window, and free all resources associated with it. Once a -- window has been closed, it is no longer safe to use. -- -- Note: this computation will not automatically clear the window from the -- screen. closeWindow :: Window -> Curses () closeWindow win = Curses ({# call delwin #} win >>= checkRC "closeWindow") -- | Create a separate window, initialised with the state of an existing -- window. cloneWindow :: Window -> Curses Window cloneWindow old = Curses $ do win <- {# call dupwin #} old if windowPtr win == nullPtr then throwIO (CursesException "cloneWindow: dupwin() returned NULL") else return win -- | Apply a window update to the window. After all of an -- application’s windows have been updated, call 'render' to update -- the terminal’s contents. updateWindow :: Window -> Update a -> Curses a updateWindow win (Update reader) = do a <- R.runReaderT reader win Curses ({# call wnoutrefresh #} win >>= checkRC "updateWindow") return a -- | Moves the window to the given (row,column) coordinate. moveWindow :: Integer -> Integer -> Update () moveWindow row col = withWindow_ "moveWindow" $ \win -> {# call mvwin #} win (fromInteger row) (fromInteger col) -- | Returns the current (row, column) coordinates of the window. windowPosition :: Update (Integer, Integer) windowPosition = withWindow $ \win -> do row <- {# call getbegy #} win col <- {# call getbegx #} win return (toInteger row, toInteger col) -- | Resizes the window to the given row and column dimensions. resizeWindow :: Integer -> Integer -> Update () resizeWindow rows cols = withWindow_ "resizeWindow" $ \win -> {# call wresize #} win (fromInteger rows) (fromInteger cols) -- Returns the current (row, column) dimensions of the window. windowSize :: Update (Integer, Integer) windowSize = withWindow $ \win -> do rows <- {# call getmaxy #} win cols <- {# call getmaxx #} win return (toInteger rows, toInteger cols) data OverlayMode -- | Overlay only non-blank characters. = OverlayMerge -- | Overlay all characters, including blanks. | OverlayReplace deriving (Show, Eq) -- | Overlay the entire content of another window onto this window. -- -- The overlay mode specifies whether to copy blank characters. -- -- Use 'copyWindow' if precise control over coordinates is required. overlay :: Window -> OverlayMode -> Update () overlay src mode = withWindow_ "overlay" $ \dst -> case mode of OverlayMerge -> {# call overlay as c_overlay #} src dst OverlayReplace -> {# call overwrite #} src dst -- | Overlay a region of another window onto this window. -- -- Use 'overlay' for copying the entire area of a window. copyWindow :: Window -> OverlayMode -- Whether to copy blank characters. -> Integer -- Top-most row of the source window's overlay region (sminrow). -> Integer -- Left-most column of the source window's overlay region (smincol). -> Integer -- Top-most row of the destination window's overlay region (dminrow). -> Integer -- Left-most column of the destination window's overlay region (dmincol). -> Integer -- Bottom-most row of the destination window's overlay region (dmaxrow). -> Integer -- Right-most column of the destination window's overlay region (dmaxcol). -> Update () copyWindow src mode sminrow smincol dminrow dmincol dmaxrow dmaxcol = withWindow_ "copyWindow" $ \dst -> do {# call copywin #} src dst (fromInteger sminrow) (fromInteger smincol) (fromInteger dminrow) (fromInteger dmincol) (fromInteger dmaxrow) (fromInteger dmaxcol) (cFromBool (mode /= OverlayReplace)) -- | A Pad is a 'Window' that is not associated with the screen. newtype Pad = Pad Window -- | Create a new 'Pad' with the given dimensions. -- -- When the pad is no longer needed, call 'closePad'. Pads are not -- garbage–collected, because there’s no way to know if -- they’re still in use. newPad :: Integer -- ^ Rows -> Integer -- ^ Columns -> Curses Pad newPad rows cols = Curses $ do win <- {# call newpad #} (fromInteger rows) (fromInteger cols) if windowPtr win == nullPtr then throwIO (CursesException "newPad: newpad() returned NULL") else do void $ {# call keypad #} win 1 void $ {# call meta #} win 1 {# call wtimeout #} win (- 1) return (Pad win) -- | Close a pad, and free all resources associated with it. Once a -- pad has been closed, it is no longer safe to use. closePad :: Pad -> Curses () closePad (Pad win) = Curses ({# call delwin #} win >>= checkRC "closePad") updatePad :: Pad -> Integer -- Top-most row of the pad's update region (pminrow). -> Integer -- Left-most column of the pad's update region (pmincol). -> Integer -- Top-most row of the screen's update region (sminrow). -> Integer -- Left-most column of the screen's update region (smincol). -> Integer -- Bottom-most row of the screen's update region (smaxrow). -> Integer -- Right-most column of the screen's update region (smaxcol). -> Update a -> Curses a updatePad (Pad win) pminrow pmincol sminrow smincol smaxrow smaxcol (Update reader) = do a <- R.runReaderT reader win Curses $ ({# call pnoutrefresh #} win (fromInteger pminrow) (fromInteger pmincol) (fromInteger sminrow) (fromInteger smincol) (fromInteger smaxrow) (fromInteger smaxcol)) >>= checkRC "updatePad" return a -- | Move the window’s cursor position to the given row and column. moveCursor :: Integer -- ^ Row -> Integer -- ^ Column -> Update () moveCursor row col = withWindow_ "moveCursor" $ \win -> {# call wmove #} win (fromInteger row) (fromInteger col) -- | Returns the current (row,column) coordinates of the cursor. -- -- This is the same as 'getCursor', but is usable within an Update. cursorPosition :: Update (Integer, Integer) cursorPosition = withWindow $ \win -> do row <- {# call getcury #} win col <- {# call getcurx #} win return (toInteger row, toInteger col) -- | Return current cursor position as (row, column). -- -- This is the same as 'cursorPosition', but is usable outside -- of an Update. getCursor :: Window -> Curses (Integer, Integer) getCursor win = Curses $ do row <- {# call getcury #} win col <- {# call getcurx #} win return (toInteger row, toInteger col) -- | Re–draw any portions of the screen which have changed since the -- last render. render :: Curses () render = Curses ({# call doupdate #} >>= checkRC "render") -- | Set the current foreground and background colors. See 'newColorID' -- for how to create color IDs. setColor :: ColorID -> Update () setColor (ColorID pair) = withWindow_ "setColor" $ \win -> {# call wcolor_set #} win pair nullPtr -- | Add some text to the window, at the current cursor position. drawString :: String -> Update () drawString str = withWindow_ "drawString" $ \win -> withCWString str ({# call waddwstr #} win) -- | Add some text to the window, at the current cursor position. drawText :: T.Text -> Update () drawText txt = withWindow_ "drawText" $ \win -> withCWString (T.unpack txt) ({# call waddwstr #} win) drawGlyph :: Glyph -> Update () drawGlyph glyph = withWindow_ "drawGlyph" $ \win -> withGlyph glyph $ \pGlyph -> {# call wadd_wch #} win pGlyph -- | Draw a border around the edge of the window. For any edge, passing -- 'Nothing' means to use the default glyph. drawBorder :: Maybe Glyph -- ^ Left edge -> Maybe Glyph -- ^ Right edge -> Maybe Glyph -- ^ Top edge -> Maybe Glyph -- ^ Bottom edge -> Maybe Glyph -- ^ Top left corner -> Maybe Glyph -- ^ Top right corner -> Maybe Glyph -- ^ Bottom left corner -> Maybe Glyph -- ^ Bottom right corner -> Update () drawBorder le re te be tl tr bl br = withWindow_ "drawBorder" $ \win -> withMaybeGlyph le $ \pLE -> withMaybeGlyph re $ \pRE -> withMaybeGlyph te $ \pTE -> withMaybeGlyph be $ \pBE -> withMaybeGlyph tl $ \pTL -> withMaybeGlyph tr $ \pTR -> withMaybeGlyph bl $ \pBL -> withMaybeGlyph br $ \pBR -> {# call wborder_set #} win pLE pRE pTE pBE pTL pTR pBL pBR -- | @drawBox v h = drawBorder v v h h Nothing Nothing Nothing Nothing@ drawBox :: Maybe Glyph -> Maybe Glyph -> Update () drawBox v h = drawBorder v v h h Nothing Nothing Nothing Nothing -- | Draw a horizontal line from left to right, using the given glyph and -- maximum character count. The cursor position is not changed. drawLineH :: Maybe Glyph -> Integer -> Update () drawLineH g n = withWindow_ "drawLineH" $ \win -> withMaybeGlyph g $ \pChar -> {# call whline_set #} win pChar (fromInteger n) -- | Draw a vertical line from top to bottom, using the given glyph and -- maximum character count. The cursor position is not changed. drawLineV :: Maybe Glyph -> Integer -> Update () drawLineV g n = withWindow_ "drawLineV" $ \win -> withMaybeGlyph g $ \pChar -> {# call wvline_set #} win pChar (fromInteger n) -- | Clear the window content by drawing blanks to every position. clear :: Update () clear = withWindow_ "clear" {# call wclear #} -- | Clear the current line starting from the current cursor position -- (inclusive) to the end of the line. clearLine :: Update () clearLine = withWindow_ "clear" {# call wclrtoeol #} -- | Set the window’s background glyph. The glyph will be drawn in -- place of any blank characters, and the glyph’s attributes will be -- combined with those of every character. setBackground :: Glyph -> Update () setBackground g = withWindow_ "setBackground" $ \win -> withMaybeGlyph (Just g) $ \pChar -> {# call wbkgrndset #} win pChar >> return 0 data Attribute = AttributeColor ColorID -- ^ A_COLOR | AttributeStandout -- ^ A_STANDOUT | AttributeUnderline -- ^ A_UNDERLINE | AttributeReverse -- ^ A_REVERSE | AttributeBlink -- ^ A_BLINK | AttributeDim -- ^ A_DIM | AttributeBold -- ^ A_BOLD | AttributeAltCharset -- ^ A_ALTCHARSET | AttributeInvisible -- ^ A_INVISIBLE | AttributeProtect -- ^ A_PROTECT | AttributeHorizontal -- ^ A_HORIZONTAL | AttributeLeft -- ^ A_LEFT | AttributeLow -- ^ A_LOW | AttributeRight -- ^ A_RIGHT | AttributeTop -- ^ A_TOP | AttributeVertical -- ^ A_VERTICAL deriving (Show, Eq) attrEnum :: E.Attribute -> AttrT attrEnum = fromInteger . E.fromEnum attrToInt :: Attribute -> AttrT attrToInt x = case x of AttributeStandout -> attrEnum E.WA_STANDOUT AttributeUnderline -> attrEnum E.WA_UNDERLINE AttributeReverse -> attrEnum E.WA_REVERSE AttributeBlink -> attrEnum E.WA_BLINK AttributeDim -> attrEnum E.WA_DIM AttributeBold -> attrEnum E.WA_BOLD AttributeAltCharset -> attrEnum E.WA_ALTCHARSET AttributeInvisible -> attrEnum E.WA_INVIS AttributeProtect -> attrEnum E.WA_PROTECT AttributeHorizontal -> attrEnum E.WA_HORIZONTAL AttributeLeft -> attrEnum E.WA_LEFT AttributeLow -> attrEnum E.WA_LOW AttributeRight -> attrEnum E.WA_RIGHT AttributeTop -> attrEnum E.WA_TOP AttributeVertical -> attrEnum E.WA_VERTICAL -- Colors get special handling: the function COLOR_PAIR converts an -- NCURSES_PAIRS_T to an attr_t. AttributeColor (ColorID cid) -> fromIntegral ({# call pure unsafe COLOR_PAIR as c_COLOR_PAIR #} (fromIntegral cid)) -- | Set a single 'Attribute' on the current window. No other attributes -- are modified. setAttribute :: Attribute -> Bool -> Update () setAttribute attr on = withWindow_ "setAttribute" $ \win -> let c = if on then {# call wattr_on #} else {# call wattr_off #} in c win (attrToInt attr) nullPtr -- | Set all 'Attribute's at once on the current window. Any attributes not -- included in the list will be unset. setAttributes :: [Attribute] -> Update () setAttributes attrs = withWindow_ "setAttributes" $ \win -> let cint = foldl' (\acc a -> acc .|. attrToInt a) 0 attrs in alloca $ \pPair -> do {# call wattr_get #} win nullPtr pPair nullPtr >>= checkRC "setAttributes" colorPair <- peek pPair {# call wattr_set #} win cint colorPair nullPtr data Color = ColorBlack | ColorRed | ColorGreen | ColorYellow | ColorBlue | ColorMagenta | ColorCyan | ColorWhite -- | An unspecified default terminal color, for terminals that support -- ISO/IEC 6429 escape sequences (or equivalent). -- -- This is most useful for terminals with translucent backgrounds. | ColorDefault -- | A color outside of the standard COLOR_* enum space, for terminals -- that support more than eight colors. -- -- Color-related functions may fail if a Color is provided that cannot -- be supported by the current terminal. Users are responsible for -- checking 'maxColor' when using extended colors. | Color Int16 deriving (Show, Eq) -- Get the maximum 'Color' supported by the current terminal. maxColor :: Curses Integer maxColor = Curses $ do count <- toInteger `fmap` peek c_COLORS return (count - 1) foreign import ccall "static &COLORS" c_COLORS :: Ptr CInt -- | A wrapper around 'Integer' to ensure clients don’t use an -- uninitialized color in an attribute. newtype ColorID = ColorID CShort deriving (Show, Eq) colorEnum :: E.Color -> CShort colorEnum = fromInteger . E.fromEnum colorToShort :: Color -> CShort colorToShort x = case x of Color n -> CShort n ColorBlack -> colorEnum E.COLOR_BLACK ColorRed -> colorEnum E.COLOR_RED ColorGreen -> colorEnum E.COLOR_GREEN ColorYellow -> colorEnum E.COLOR_YELLOW ColorBlue -> colorEnum E.COLOR_BLUE ColorMagenta -> colorEnum E.COLOR_MAGENTA ColorCyan -> colorEnum E.COLOR_CYAN ColorWhite -> colorEnum E.COLOR_WHITE ColorDefault -> colorEnum E.COLOR_DEFAULT -- | Check if the terminal supports color. If it doesn’t, -- alternative indicators (such as underlines or bold) should be used. supportsColor :: Curses Bool supportsColor = Curses (fmap cToBool {# call has_colors #}) -- | Check if the terminal supports changing color defintiions. canDefineColor :: Curses Bool canDefineColor = Curses (fmap cToBool {# call can_change_color #}) -- | Change the definition of an existing color. Use 'canDefineColor' to -- determine whether changing color values is possible. defineColor :: Color -> Integer -- ^ Red (0 – 1000) -> Integer -- ^ Green (0 – 1000) -> Integer -- ^ Blue (0 – 1000) -> Curses () defineColor c r g b = Curses $ do rc <- {# call init_color #} (colorToShort c) (fromInteger r) (fromInteger g) (fromInteger b) checkRC "defineColor" rc -- | Query the current definition of the given color (see 'defineColor'). -- The returned tuple is (red, green, blue), with values 0 – 1000. queryColor :: Color -> Curses (Integer, Integer, Integer) queryColor c = Curses $ alloca $ \pRed -> alloca $ \pGreen -> alloca $ \pBlue -> do rc <- {# call color_content #} (colorToShort c) pRed pGreen pBlue checkRC "queryColor" rc red <- fmap toInteger (peek pRed) green <- fmap toInteger (peek pGreen) blue <- fmap toInteger (peek pBlue) return (red, green, blue) -- | The default color ID defaultColorID :: ColorID defaultColorID = ColorID 0 -- | Assign a new 'ColorID' to some (foreground, background) color pair. -- The user may pick which color ID is assigned, but it must be valid. Use -- 'maxColorID' to determine how many colors the current terminal supports. newColorID :: Color -- ^ Foreground -> Color -- ^ Background -> Integer -- ^ A value /n/, such that -- (0 < /n/ ≤ 'maxColorID') -> Curses ColorID newColorID fg bg n = Curses $ do unless (n > 0) $ throwIO (CursesException "newColorID: n must be > 0") maxColor <- unCurses maxColorID unless (n <= maxColor) $ throwIO (CursesException "newColorID: n must be <= maxColorID") checkRC "newColorID" =<< {# call init_pair #} (fromInteger n) (colorToShort fg) (colorToShort bg) return (ColorID (fromInteger n)) -- Change the definition of an existing 'ColorID' setColorID :: Color -- ^ Foreground -> Color -- ^ Background -> ColorID -- ^ The 'ColorID' to change -> Curses () setColorID fg bg (ColorID n) = Curses $ checkRC "setColorID" =<< {# call init_pair #} n (colorToShort fg) (colorToShort bg) -- | Get the maximum color ID supported by the current terminal maxColorID :: Curses Integer maxColorID = Curses $ do pairs <- toInteger `fmap` peek c_COLOR_PAIRS return (pairs - 1) foreign import ccall "static &COLOR_PAIRS" c_COLOR_PAIRS :: Ptr CInt -- | A glyph is a character, typically spacing, combined with a set of -- attributes. data Glyph = Glyph { glyphCharacter :: Char , glyphAttributes :: [Attribute] } deriving (Show, Eq) withMaybeGlyph :: Maybe Glyph -> (CCharT -> IO a) -> IO a withMaybeGlyph Nothing io = io (CCharT nullPtr) withMaybeGlyph (Just g) io = withGlyph g io withGlyph :: Glyph -> (CCharT -> IO a) -> IO a withGlyph (Glyph char attrs) io = let cAttrs = foldl' (\acc a -> acc .|. attrToInt a) 0 attrs in withCWStringLen [char] $ \(cChars, cCharsLen) -> allocaBytes {# sizeof cchar_t #} $ \pBuf -> do {# call hsncurses_init_cchar_t #} (CCharT pBuf) cAttrs cChars (fromIntegral cCharsLen) io (CCharT pBuf) -- | Upper left corner glyphCornerUL :: Glyph glyphCornerUL = Glyph '\x250C' [] -- | Lower left corner glyphCornerLL :: Glyph glyphCornerLL = Glyph '\x2514' [] -- | Upper right corner glyphCornerUR :: Glyph glyphCornerUR = Glyph '\x2510' [] -- | Lower right corner glyphCornerLR :: Glyph glyphCornerLR = Glyph '\x2518' [] -- | Tee pointing right glyphTeeL :: Glyph glyphTeeL = Glyph '\x251C' [] -- | Tee pointing left glyphTeeR :: Glyph glyphTeeR = Glyph '\x2524' [] -- | Tee pointing up glyphTeeB :: Glyph glyphTeeB = Glyph '\x2534' [] -- | Tee pointing down glyphTeeT :: Glyph glyphTeeT = Glyph '\x252C' [] -- | Horizontal line glyphLineH :: Glyph glyphLineH = Glyph '\x2500' [] -- | Vertical line glyphLineV :: Glyph glyphLineV = Glyph '\x2502' [] -- | Large plus or crossover glyphPlus :: Glyph glyphPlus = Glyph '\x253C' [] -- | Scan line 1 glyphScan1 :: Glyph glyphScan1 = Glyph '\x23BA' [] -- | Scan line 9 glyphScan9 :: Glyph glyphScan9 = Glyph '\x23BD' [] -- | Diamond glyphDiamond :: Glyph glyphDiamond = Glyph '\x25C6' [] -- | Stipple, or checker board glyphStipple :: Glyph glyphStipple = Glyph '\x2592' [] -- | Degree symbol glyphDegree :: Glyph glyphDegree = Glyph '\xb0' [] -- | Plus/minus glyphPlusMinus :: Glyph glyphPlusMinus = Glyph '\xb1' [] -- | Bullet glyphBullet :: Glyph glyphBullet = Glyph '\xb7' [] -- | Arrow pointing left glyphArrowL :: Glyph glyphArrowL = Glyph '\x2190' [] -- | Arrow pointing right glyphArrowR :: Glyph glyphArrowR = Glyph '\x2192' [] -- | Arrow pointing down glyphArrowD :: Glyph glyphArrowD = Glyph '\x2193' [] -- | Arrow pointing up glyphArrowU :: Glyph glyphArrowU = Glyph '\x2191' [] -- | Board of squares glyphBoard :: Glyph glyphBoard = Glyph '\x2592' [] -- | Lantern symbol glyphLantern :: Glyph glyphLantern = Glyph '\x2603' [] -- | Solid square block glyphBlock :: Glyph glyphBlock = Glyph '\x25AE' [] -- | Scan line 3 glyphS3 :: Glyph glyphS3 = Glyph '\x23BB' [] -- | Scan line 7 glyphS7 :: Glyph glyphS7 = Glyph '\x23BC' [] -- | Not equal glyphNE :: Glyph glyphNE = Glyph '\x2260' [] -- | Less than or equal glyphLTE :: Glyph glyphLTE = Glyph '\x2264' [] -- | Greater than or equal glyphGTE :: Glyph glyphGTE = Glyph '\x2265' [] -- | Pi glyphPi :: Glyph glyphPi = Glyph '\x3c0' [] -- | UK pounds sterling symbol glyphSterling :: Glyph glyphSterling = Glyph '\xa3' [] data Event = EventCharacter Char | EventSpecialKey Key | EventMouse Integer MouseState | EventResized | EventUnknown Integer deriving (Show, Eq) -- | Get the next 'Event' from a given window. -- -- If the timeout is 'Nothing', @getEvent@ blocks until an event is received. -- -- If the timeout is specified, @getEvent@ blocks for up to that many -- milliseconds. If no event is received before timing out, @getEvent@ returns -- 'Nothing'. -- -- If the timeout is 0 or less, @getEvent@ will not block at all. getEvent :: Window -> Maybe Integer -- ^ Timeout, in milliseconds -> Curses (Maybe Event) getEvent win timeout = Curses io where io = alloca $ \ptr -> do {# call wtimeout #} win $ case timeout of Nothing -> -1 Just n | n <= 0 -> 0 Just n -> fromInteger n rc <- {# call hsncurses_wget_wch #} win ptr if toInteger rc == E.fromEnum E.ERR then return Nothing else fmap Just (parseCode ptr rc) parseCode ptr rc = do code <- toInteger `fmap` peek ptr if rc == 0 then return (charEvent code) else if code == E.fromEnum E.KEY_MOUSE then mouseEvent else if code == E.fromEnum E.KEY_RESIZE then return EventResized else keyEvent code charEvent = EventCharacter . chr . fromInteger mouseEvent = allocaBytes {# sizeof MEVENT #} $ \pEv -> do {# call getmouse #} pEv >>= checkRC "getEvent" evID <- fmap toInteger ({# get MEVENT->id #} pEv) x <- fmap toInteger ({# get MEVENT->x #} pEv) y <- fmap toInteger ({# get MEVENT->y #} pEv) z <- fmap toInteger ({# get MEVENT->z #} pEv) mask <- {# get MEVENT->bstate #} pEv let state = parseMouseState mask return (EventMouse evID (state { mouseCoordinates = (x, y, z) })) codeF0 = E.fromEnum E.KEY_F0 codeF64 = codeF0 + 64 keyEvent code = return $ if code >= codeF0 && code <= codeF64 then EventSpecialKey (KeyFunction (code - codeF0)) else case M.lookup code keyMap of Just key -> EventSpecialKey key Nothing -> EventUnknown code data Key = KeyUpArrow | KeyDownArrow | KeyLeftArrow | KeyRightArrow | KeyHome | KeyBackspace | KeyFunction Integer -- ^ Function keys, F0 – F64 | KeyDeleteLine | KeyInsertLine | KeyDeleteCharacter | KeyInsertCharacter | KeyEIC -- ^ Sent by rmir or smir in insert mode | KeyClear -- ^ Clear screen | KeyEOS -- ^ Clear to end of screen | KeyEOL -- ^ Clear to end of line | KeyScrollForward | KeyScrollBackward | KeyNextPage | KeyPreviousPage | KeySetTab | KeyClearTab | KeyClearAllTabs | KeyEnter | KeyPrint | KeyHomeDown | KeyA1 -- ^ Upper left of keypad | KeyA3 -- ^ Upper right of keypad | KeyB2 -- ^ Center of keypad | KeyC1 -- ^ Lower left of keypad | KeyC3 -- ^ Lower right of keypad | KeyBackTab | KeyBegin | KeyCancel | KeyClose | KeyCommand | KeyCopy | KeyCreate | KeyEnd | KeyExit | KeyFind | KeyHelp | KeyMark | KeyMessage | KeyMove | KeyNext | KeyOpen | KeyOptions | KeyPrevious | KeyRedo | KeyReference | KeyRefresh | KeyReplace | KeyRestart | KeyResume | KeySave | KeyShiftedBegin | KeyShiftedCancel | KeyShiftedCommand | KeyShiftedCopy | KeyShiftedCreate | KeyShiftedDeleteCharacter | KeyShiftedDeleteLine | KeySelect | KeyShiftedEnd | KeyShiftedEOL | KeyShiftedExit | KeyShiftedFind | KeyShiftedHelp | KeyShiftedHome | KeyShiftedInsertCharacter | KeyShiftedLeftArrow | KeyShiftedMessage | KeyShiftedMove | KeyShiftedNext | KeyShiftedOptions | KeyShiftedPrevious | KeyShiftedPrint | KeyShiftedRedo | KeyShiftedReplace | KeyShiftedRightArrow | KeyShiftedResume | KeyShiftedSave | KeyShiftedSuspend | KeyShiftedUndo | KeySuspend | KeyUndo deriving (Show, Eq) keyMap :: M.Map Integer Key keyMap = M.fromList $ map (\(enum, key) -> (E.fromEnum enum, key)) [ (E.KEY_DOWN, KeyDownArrow) , (E.KEY_UP, KeyUpArrow) , (E.KEY_LEFT, KeyLeftArrow) , (E.KEY_RIGHT, KeyRightArrow) , (E.KEY_HOME, KeyHome) , (E.KEY_BACKSPACE, KeyBackspace) , (E.KEY_DL, KeyDeleteLine) , (E.KEY_IL, KeyInsertLine) , (E.KEY_DC, KeyDeleteCharacter) , (E.KEY_IC, KeyInsertCharacter) , (E.KEY_EIC, KeyEIC) , (E.KEY_CLEAR, KeyClear) , (E.KEY_EOS, KeyEOS) , (E.KEY_EOL, KeyEOL) , (E.KEY_SF, KeyScrollForward) , (E.KEY_SR, KeyScrollBackward) , (E.KEY_NPAGE, KeyNextPage) , (E.KEY_PPAGE, KeyPreviousPage) , (E.KEY_STAB, KeySetTab) , (E.KEY_CTAB, KeyClearTab) , (E.KEY_CATAB, KeyClearAllTabs) , (E.KEY_ENTER, KeyEnter) , (E.KEY_PRINT, KeyPrint) , (E.KEY_LL, KeyHomeDown) , (E.KEY_A1, KeyA1) , (E.KEY_A3, KeyA3) , (E.KEY_B2, KeyB2) , (E.KEY_C1, KeyC1) , (E.KEY_C3, KeyC3) , (E.KEY_BTAB, KeyBackTab) , (E.KEY_BEG, KeyBegin) , (E.KEY_CANCEL, KeyCancel) , (E.KEY_CLOSE, KeyClose) , (E.KEY_COMMAND, KeyCommand) , (E.KEY_COPY, KeyCopy) , (E.KEY_CREATE, KeyCreate) , (E.KEY_END, KeyEnd) , (E.KEY_EXIT, KeyExit) , (E.KEY_FIND, KeyFind) , (E.KEY_HELP, KeyHelp) , (E.KEY_MARK, KeyMark) , (E.KEY_MESSAGE, KeyMessage) , (E.KEY_MOVE, KeyMove) , (E.KEY_NEXT, KeyNext) , (E.KEY_OPEN, KeyOpen) , (E.KEY_OPTIONS, KeyOptions) , (E.KEY_PREVIOUS, KeyPrevious) , (E.KEY_REDO, KeyRedo) , (E.KEY_REFERENCE, KeyReference) , (E.KEY_REFRESH, KeyRefresh) , (E.KEY_REPLACE, KeyReplace) , (E.KEY_RESTART, KeyRestart) , (E.KEY_RESUME, KeyResume) , (E.KEY_SAVE, KeySave) , (E.KEY_SBEG, KeyShiftedBegin) , (E.KEY_SCANCEL, KeyShiftedCancel) , (E.KEY_SCOMMAND, KeyShiftedCommand) , (E.KEY_SCOPY, KeyShiftedCopy) , (E.KEY_SCREATE, KeyShiftedCreate) , (E.KEY_SDC, KeyShiftedDeleteCharacter) , (E.KEY_SDL, KeyShiftedDeleteLine) , (E.KEY_SELECT, KeySelect) , (E.KEY_SEND, KeyShiftedEnd) , (E.KEY_SEOL, KeyShiftedEOL) , (E.KEY_SEXIT, KeyShiftedExit) , (E.KEY_SFIND, KeyShiftedFind) , (E.KEY_SHELP, KeyShiftedHelp) , (E.KEY_SHOME, KeyShiftedHome) , (E.KEY_SIC, KeyShiftedInsertCharacter) , (E.KEY_SLEFT, KeyShiftedLeftArrow) , (E.KEY_SMESSAGE, KeyShiftedMessage) , (E.KEY_SMOVE, KeyShiftedMove) , (E.KEY_SNEXT, KeyShiftedNext) , (E.KEY_SOPTIONS, KeyShiftedOptions) , (E.KEY_SPREVIOUS, KeyShiftedPrevious) , (E.KEY_SPRINT, KeyShiftedPrint) , (E.KEY_SREDO, KeyShiftedRedo) , (E.KEY_SREPLACE, KeyShiftedReplace) , (E.KEY_SRIGHT, KeyShiftedRightArrow) , (E.KEY_SRSUME, KeyShiftedResume) , (E.KEY_SSAVE, KeyShiftedSave) , (E.KEY_SSUSPEND, KeyShiftedSuspend) , (E.KEY_SUNDO, KeyShiftedUndo) , (E.KEY_SUSPEND, KeySuspend) , (E.KEY_UNDO, KeyUndo) ] data ButtonState = ButtonPressed | ButtonReleased | ButtonClicked | ButtonDoubleClicked | ButtonTripleClicked deriving (Show, Eq) data MouseState = MouseState { mouseCoordinates :: (Integer, Integer, Integer) -- ^ (X, Y, Z) -- | If the mouse event was caused by a change in button state, -- the buttons and their new state will be listed here. , mouseButtons :: [(Integer, ButtonState)] , mouseAlt :: Bool , mouseShift :: Bool , mouseControl :: Bool } deriving (Show, Eq) parseMouseState :: MMaskT -> MouseState parseMouseState mask = MouseState (0, 0, 0) buttons alt shift ctrl where maskI = toInteger mask test e = (maskI .&. (E.fromEnum e)) > 0 alt = test E.BUTTON_ALT shift = test E.BUTTON_SHIFT ctrl = test E.BUTTON_CTRL buttons = catMaybes [button1, button2, button3, button4, button5] testButton idx r p c dc tc | test r = Just (idx, ButtonReleased) | test p = Just (idx, ButtonPressed) | test c = Just (idx, ButtonClicked) | test dc = Just (idx, ButtonDoubleClicked) | test tc = Just (idx, ButtonTripleClicked) | otherwise = Nothing button1 = testButton 1 E.BUTTON1_RELEASED E.BUTTON1_PRESSED E.BUTTON1_CLICKED E.BUTTON1_DOUBLE_CLICKED E.BUTTON1_TRIPLE_CLICKED button2 = testButton 2 E.BUTTON2_RELEASED E.BUTTON2_PRESSED E.BUTTON2_CLICKED E.BUTTON2_DOUBLE_CLICKED E.BUTTON2_TRIPLE_CLICKED button3 = testButton 3 E.BUTTON3_RELEASED E.BUTTON3_PRESSED E.BUTTON3_CLICKED E.BUTTON3_DOUBLE_CLICKED E.BUTTON3_TRIPLE_CLICKED button4 = testButton 4 E.BUTTON4_RELEASED E.BUTTON4_PRESSED E.BUTTON4_CLICKED E.BUTTON4_DOUBLE_CLICKED E.BUTTON4_TRIPLE_CLICKED #ifdef BUTTON5_RELEASED button5 = testButton 5 E.BUTTON5_RELEASED E.BUTTON5_PRESSED E.BUTTON5_CLICKED E.BUTTON5_DOUBLE_CLICKED E.BUTTON5_TRIPLE_CLICKED #else button5 = Nothing #endif data CursorMode = CursorInvisible | CursorVisible | CursorVeryVisible | CursorModeUnknown CInt deriving (Eq, Show) -- | Set the current cursor mode to visible, invisible, or \"very visible\". -- The previous cursor mode is returned. setCursorMode :: CursorMode -> Curses CursorMode setCursorMode mode = Curses $ do let intMode = case mode of CursorInvisible -> 0 CursorVisible -> 1 CursorVeryVisible -> 2 CursorModeUnknown n -> n rc <- {# call curs_set #} intMode checkRC "setCursorMode" rc return $ case rc of 0 -> CursorInvisible 1 -> CursorVisible 2 -> CursorVeryVisible _ -> CursorModeUnknown rc -- | Returns Left if a Curses exception occured in the given computation. -- -- See 'try' for more details. tryCurses :: Curses a -> Curses (Either CursesException a) tryCurses (Curses io) = Curses (try io) -- | Handles errors in the given computation by passing them to a callback. -- -- See 'catch' for more details. catchCurses :: Curses a -> (CursesException -> Curses a) -> Curses a catchCurses (Curses io) fn = Curses (catch io (unCurses . fn)) -- | Throws an exception from within Curses handling code. This is useful -- for re-throwing errors from within a 'catchCurses' callback. -- -- See 'throwIO' for more details. throwCurses :: CursesException -> Curses a throwCurses = Curses . throwIO -- | Runs @raw()@ or @noraw()@ setRaw :: Bool -> Curses () setRaw set = Curses (io >>= checkRC "setRaw") where io = if set then {# call raw #} else {# call noraw #} -- | Runs @cbreak()@ or @nocbreak()@ setCBreak :: Bool -> Curses () setCBreak set = Curses (io >>= checkRC "setCBreak") where io = if set then {# call cbreak #} else {# call nocbreak #} -- | Runs @echo()@ or @noecho()@ setEcho :: Bool -> Curses () setEcho set = Curses (io >>= checkRC "setEcho") where io = if set then {# call echo #} else {# call noecho #} -- | Get the output speed of the current terminal, in bits per second. baudrate :: Curses Integer baudrate = Curses $ do rc <- {# call baudrate as c_baudrate #} checkRC "baudrate" rc return (toInteger rc) beep :: Curses () beep = Curses ({# call beep as c_beep #} >>= checkRC "beep") flash :: Curses () flash = Curses ({# call flash as c_flash #} >>= checkRC "flash") -- | Check if the terminal has a mouse hasMouse :: Curses Bool hasMouse = Curses (fmap cToBool c_hasMouse) foreign import ccall unsafe "hsncurses_has_mouse" c_hasMouse :: IO CInt -- | Check if some position is contained within the given 'Window'. enclosed :: Window -> Integer -- ^ Row -> Integer -- ^ Column -> Curses Bool enclosed win row col = Curses . fmap cToBool $ {# call wenclose #} win (fromInteger row) (fromInteger col) -- | Return (rows, columns) of current screen screenSize :: Curses (Integer, Integer) screenSize = Curses $ do rows <- peek c_LINES cols <- peek c_COLS return (toInteger rows, toInteger cols) foreign import ccall "static &LINES" c_LINES :: Ptr CInt foreign import ccall "static &COLS" c_COLS :: Ptr CInt -- | Set whether the entire window has been “touched”; -- touched characters are redrawn on the next refresh. setTouched :: Bool -> Update () setTouched touched = withWindow_ "setTouched" $ if touched then {# call touchwin #} else {# call untouchwin #} -- | Set whether particular rows in the window have been -- “touched”. setRowsTouched :: Bool -> Integer -- ^ Start -> Integer -- ^ Count -> Update () setRowsTouched touched start count = withWindow_ "setRowsTouched" $ \win -> {# call wtouchln #} win (fromInteger start) (fromInteger count) (cFromBool touched) -- | Enable/disable support for special keys. setKeypad :: Window -> Bool -> Curses () setKeypad win set = Curses (io >>= checkRC "setKeypad") where io = {# call keypad #} win (cFromBool set) -- | Attempt to resize the terminal to the given number of lines and columns. resizeTerminal :: Integer -> Integer -> Curses () resizeTerminal lines cols = Curses (io >>= checkRC "resizeTerminal") where io = {# call resizeterm #} (fromInteger lines) (fromInteger cols) withWindow :: (Window -> IO a) -> Update a withWindow io = Update (R.ReaderT (\win -> Curses (io win))) withWindow_ :: String -> (Window -> IO CInt) -> Update () withWindow_ name io = withWindow $ \win -> io win >>= checkRC name ncurses-0.2.16/lib/UI/NCurses/0000755000000000000000000000000012760705521014122 5ustar0000000000000000ncurses-0.2.16/lib/UI/NCurses/Panel.chs0000644000000000000000000001067312760705521015667 0ustar0000000000000000{-# LANGUAGE ForeignFunctionInterface #-} -- Copyright (C) 2010 John Millikin -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- any later version. -- -- This program 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 General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program. If not, see . module UI.NCurses.Panel ( Panel , newPanel , deletePanel , refreshPanels , panelAbove , panelBelow , panelTop , panelBottom , showPanel , hidePanel , panelHidden , movePanel , raisePanel , lowerPanel , getPanelWindow , replacePanelWindow ) where import Control.Exception (throwIO) import Foreign import Foreign.C import UI.NCurses (render) -- for haddock import UI.NCurses.Types #include "cbits/mavericks-c2hs-workaround.h" #ifdef HSNCURSES_NARROW_HEADER #include #else #include #endif {# pointer *PANEL as Panel nocode #} {# pointer *WINDOW as Window nocode #} newtype Panel = Panel { panelPtr :: Ptr Panel } -- | Creates a new 'Panel', on top of the panel stack. newPanel :: Window -> Curses Panel newPanel win = Curses $ do p <- {# call new_panel #} win if panelPtr p == nullPtr then throwIO (CursesException "newPanel: new_panel() returned NULL") else return p -- | Permanently removes the given panel from the panel stack. deletePanel :: Panel -> Curses () deletePanel p = Curses ({# call del_panel #} p >>= checkRC "deletePanel") -- | Updates windows to account for the current panel stack order. The user -- must call 'render' before changes are drawn to the screen. refreshPanels :: Curses () refreshPanels = Curses {#call update_panels #} -- | @panelAbove p@ retrieve the panel above /p/. panelAbove :: Panel -> Curses (Maybe Panel) panelAbove p = Curses $ do ptr <- {# call panel_above #} p return $ if panelPtr ptr == nullPtr then Nothing else Just ptr -- | @panelAbove p@ retrieve the panel below /p/. panelBelow :: Panel -> Curses (Maybe Panel) panelBelow p = Curses $ do ptr <- {# call panel_below #} p return $ if panelPtr ptr == nullPtr then Nothing else Just ptr -- | Retrieve the top–most panel in the stack. panelTop :: Curses (Maybe Panel) panelTop = Curses $ do ptr <- {# call panel_below #} (Panel nullPtr) return $ if panelPtr ptr == nullPtr then Nothing else Just ptr -- | Retrieve the bottom–most panel in the stack. panelBottom :: Curses (Maybe Panel) panelBottom = Curses $ do ptr <- {# call panel_above #} (Panel nullPtr) return $ if panelPtr ptr == nullPtr then Nothing else Just ptr -- | Makes a hidden panel visible, and places it on the top of the stack. showPanel :: Panel -> Curses () showPanel p = Curses ({# call show_panel #} p >>= checkRC "showPanel") -- | Temporarily removes the given panel from the panel stack. Use -- 'showPanel' to restore it. hidePanel :: Panel -> Curses () hidePanel p = Curses ({# call hide_panel #} p >>= checkRC "hidePanel") -- | Checks if the given panel is currently visible. panelHidden :: Panel -> Curses Bool panelHidden p = Curses (cToBool `fmap` {# call panel_hidden #} p) -- | Move the panel so its upper–left corner is at the new -- coordinates. movePanel :: Panel -> Integer -- ^ New upper–left row -> Integer -- ^ New upper–left column -> Curses () movePanel p row col = Curses $ checkRC "movePanel" =<< {# call move_panel #} p (fromInteger row) (fromInteger col) -- | Raise a bottom to the top of the stack. raisePanel :: Panel -> Curses () raisePanel p = Curses ({# call top_panel #} p >>= checkRC "raisePanel") -- | Lower a panel to the bottom of the stack. lowerPanel :: Panel -> Curses () lowerPanel p = Curses ({# call bottom_panel #} p >>= checkRC "lowerPanel") -- | Retrieves which window a panel is drawn to. getPanelWindow :: Panel -> Curses Window getPanelWindow p = Curses ({# call panel_window #} p) -- | Replaces which window a panel is drawn to. replacePanelWindow :: Panel -> Window -> Curses () replacePanelWindow p win = Curses $ {# call replace_panel #} p win >>= checkRC "replacePanelWindow" ncurses-0.2.16/lib/UI/NCurses/Types.hs0000644000000000000000000000471112760705521015565 0ustar0000000000000000{-# LANGUAGE DeriveDataTypeable #-} -- Copyright (C) 2010 John Millikin -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- any later version. -- -- This program 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 General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program. If not, see . module UI.NCurses.Types where import qualified Control.Applicative as A import Control.Exception (Exception, throwIO) import Control.Monad (liftM, ap) import Control.Monad.Fix (MonadFix, mfix) import Control.Monad.IO.Class (MonadIO, liftIO) import Control.Monad.Trans.Reader (ReaderT) import Data.Typeable import qualified Foreign as F import qualified Foreign.C as F import qualified UI.NCurses.Enums as E -- | A small wrapper around 'IO', to ensure the @ncurses@ library is -- initialized while running. newtype Curses a = Curses { unCurses :: IO a } instance Monad Curses where return = Curses . return m >>= f = Curses (unCurses m >>= unCurses . f) instance MonadFix Curses where mfix f = Curses (mfix (unCurses . f)) instance MonadIO Curses where liftIO = Curses instance Functor Curses where fmap = liftM instance A.Applicative Curses where pure = return (<*>) = ap newtype Update a = Update { unUpdate :: ReaderT Window Curses a } instance Monad Update where return = Update . return m >>= f = Update (unUpdate m >>= unUpdate . f) instance MonadFix Update where mfix f = Update (mfix (unUpdate . f)) instance Functor Update where fmap = liftM instance A.Applicative Update where pure = return (<*>) = ap newtype Window = Window { windowPtr :: F.Ptr Window } newtype CursesException = CursesException String deriving (Show, Typeable) instance Exception CursesException checkRC :: String -> F.CInt -> IO () checkRC name rc = if toInteger rc == E.fromEnum E.ERR then throwIO (CursesException (name ++ ": rc == ERR")) else return () cToBool :: Integral a => a -> Bool cToBool 0 = False cToBool _ = True cFromBool :: Integral a => Bool -> a cFromBool False = 0 cFromBool True = 1 ncurses-0.2.16/lib/UI/NCurses/Enums.chs0000644000000000000000000001716712760705521015724 0ustar0000000000000000-- Copyright (C) 2010 John Millikin -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- any later version. -- -- This program 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 General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program. If not, see . -- | This module is a hack to work around c2hs's lack of #define hooks. -- the idea is to create a new class 'Enum' which uses 'Integer' instead -- of 'Int', so integral defines of any size can be retrieved. module UI.NCurses.Enums where import Prelude (Integer, error, show, (++), compare, Ordering(..)) #include "cbits/mavericks-c2hs-workaround.h" #define NCURSES_ENABLE_STDBOOL_H 0 #define _XOPEN_SOURCE_EXTENDED #define NCURSES_NOMACROS #ifdef HSNCURSES_NARROW_HEADER #include #else #include #endif class Enum a where toEnum :: Integer -> a fromEnum :: a -> Integer -- c2hs 0.18.1 additionally defines these in its Enum instances, -- but we don't use them. pred, succ :: a -> a pred = error "ncurses Enum: pred" succ = error "ncurses Enum: succ" enumFrom :: a -> [a] enumFrom = error "ncurses Enum: enumFrom" enumFromThen :: a -> a -> [a] enumFromThen = error "ncurses Enum: enumFromThen" enumFromTo :: a -> a -> [a] enumFromTo = error "ncurses Enum: enumFromTo" enumFromThenTo :: a -> a -> a -> [a] enumFromThenTo = error "ncurses Enum: enumFromThenTo" -- misc enums #c enum hsncurses_EnumWrapper { hsncurses_ALL_MOUSE_EVENTS = ALL_MOUSE_EVENTS , hsncurses_ERR = ERR }; #endc {# enum hsncurses_EnumWrapper as EnumWrapper {} with prefix = "hsncurses_" #} -- attributes #c enum hsncurses_Attribute { hsncurses_WA_STANDOUT = WA_STANDOUT , hsncurses_WA_UNDERLINE = WA_UNDERLINE , hsncurses_WA_REVERSE = WA_REVERSE , hsncurses_WA_BLINK = WA_BLINK , hsncurses_WA_DIM = WA_DIM , hsncurses_WA_BOLD = WA_BOLD , hsncurses_WA_ALTCHARSET = WA_ALTCHARSET , hsncurses_WA_INVIS = WA_INVIS , hsncurses_WA_PROTECT = WA_PROTECT , hsncurses_WA_HORIZONTAL = WA_HORIZONTAL , hsncurses_WA_LEFT = WA_LEFT , hsncurses_WA_LOW = WA_LOW , hsncurses_WA_RIGHT = WA_RIGHT , hsncurses_WA_TOP = WA_TOP , hsncurses_WA_VERTICAL = WA_VERTICAL }; #endc {# enum hsncurses_Attribute as Attribute {} with prefix = "hsncurses_" #} -- colors #c enum hsncurses_Color { hsncurses_COLOR_BLACK = COLOR_BLACK , hsncurses_COLOR_RED = COLOR_RED , hsncurses_COLOR_GREEN = COLOR_GREEN , hsncurses_COLOR_YELLOW = COLOR_YELLOW , hsncurses_COLOR_BLUE = COLOR_BLUE , hsncurses_COLOR_MAGENTA = COLOR_MAGENTA , hsncurses_COLOR_CYAN = COLOR_CYAN , hsncurses_COLOR_WHITE = COLOR_WHITE , hsncurses_COLOR_DEFAULT = -1 }; #endc {# enum hsncurses_Color as Color {} with prefix = "hsncurses_" #} -- keys #c enum hsncurses_Key { hsncurses_KEY_CODE_YES = KEY_CODE_YES , hsncurses_KEY_DOWN = KEY_DOWN , hsncurses_KEY_UP = KEY_UP , hsncurses_KEY_LEFT = KEY_LEFT , hsncurses_KEY_RIGHT = KEY_RIGHT , hsncurses_KEY_HOME = KEY_HOME , hsncurses_KEY_BACKSPACE = KEY_BACKSPACE , hsncurses_KEY_F0 = KEY_F0 , hsncurses_KEY_DL = KEY_DL , hsncurses_KEY_IL = KEY_IL , hsncurses_KEY_DC = KEY_DC , hsncurses_KEY_IC = KEY_IC , hsncurses_KEY_EIC = KEY_EIC , hsncurses_KEY_CLEAR = KEY_CLEAR , hsncurses_KEY_EOS = KEY_EOS , hsncurses_KEY_EOL = KEY_EOL , hsncurses_KEY_SF = KEY_SF , hsncurses_KEY_SR = KEY_SR , hsncurses_KEY_NPAGE = KEY_NPAGE , hsncurses_KEY_PPAGE = KEY_PPAGE , hsncurses_KEY_STAB = KEY_STAB , hsncurses_KEY_CTAB = KEY_CTAB , hsncurses_KEY_CATAB = KEY_CATAB , hsncurses_KEY_ENTER = KEY_ENTER , hsncurses_KEY_PRINT = KEY_PRINT , hsncurses_KEY_LL = KEY_LL , hsncurses_KEY_A1 = KEY_A1 , hsncurses_KEY_A3 = KEY_A3 , hsncurses_KEY_B2 = KEY_B2 , hsncurses_KEY_C1 = KEY_C1 , hsncurses_KEY_C3 = KEY_C3 , hsncurses_KEY_BTAB = KEY_BTAB , hsncurses_KEY_BEG = KEY_BEG , hsncurses_KEY_CANCEL = KEY_CANCEL , hsncurses_KEY_CLOSE = KEY_CLOSE , hsncurses_KEY_COMMAND = KEY_COMMAND , hsncurses_KEY_COPY = KEY_COPY , hsncurses_KEY_CREATE = KEY_CREATE , hsncurses_KEY_END = KEY_END , hsncurses_KEY_EXIT = KEY_EXIT , hsncurses_KEY_FIND = KEY_FIND , hsncurses_KEY_HELP = KEY_HELP , hsncurses_KEY_MARK = KEY_MARK , hsncurses_KEY_MESSAGE = KEY_MESSAGE , hsncurses_KEY_MOVE = KEY_MOVE , hsncurses_KEY_NEXT = KEY_NEXT , hsncurses_KEY_OPEN = KEY_OPEN , hsncurses_KEY_OPTIONS = KEY_OPTIONS , hsncurses_KEY_PREVIOUS = KEY_PREVIOUS , hsncurses_KEY_REDO = KEY_REDO , hsncurses_KEY_REFERENCE = KEY_REFERENCE , hsncurses_KEY_REFRESH = KEY_REFRESH , hsncurses_KEY_REPLACE = KEY_REPLACE , hsncurses_KEY_RESTART = KEY_RESTART , hsncurses_KEY_RESUME = KEY_RESUME , hsncurses_KEY_SAVE = KEY_SAVE , hsncurses_KEY_SBEG = KEY_SBEG , hsncurses_KEY_SCANCEL = KEY_SCANCEL , hsncurses_KEY_SCOMMAND = KEY_SCOMMAND , hsncurses_KEY_SCOPY = KEY_SCOPY , hsncurses_KEY_SCREATE = KEY_SCREATE , hsncurses_KEY_SDC = KEY_SDC , hsncurses_KEY_SDL = KEY_SDL , hsncurses_KEY_SELECT = KEY_SELECT , hsncurses_KEY_SEND = KEY_SEND , hsncurses_KEY_SEOL = KEY_SEOL , hsncurses_KEY_SEXIT = KEY_SEXIT , hsncurses_KEY_SFIND = KEY_SFIND , hsncurses_KEY_SHELP = KEY_SHELP , hsncurses_KEY_SHOME = KEY_SHOME , hsncurses_KEY_SIC = KEY_SIC , hsncurses_KEY_SLEFT = KEY_SLEFT , hsncurses_KEY_SMESSAGE = KEY_SMESSAGE , hsncurses_KEY_SMOVE = KEY_SMOVE , hsncurses_KEY_SNEXT = KEY_SNEXT , hsncurses_KEY_SOPTIONS = KEY_SOPTIONS , hsncurses_KEY_SPREVIOUS = KEY_SPREVIOUS , hsncurses_KEY_SPRINT = KEY_SPRINT , hsncurses_KEY_SREDO = KEY_SREDO , hsncurses_KEY_SREPLACE = KEY_SREPLACE , hsncurses_KEY_SRIGHT = KEY_SRIGHT , hsncurses_KEY_SRSUME = KEY_SRSUME , hsncurses_KEY_SSAVE = KEY_SSAVE , hsncurses_KEY_SSUSPEND = KEY_SSUSPEND , hsncurses_KEY_SUNDO = KEY_SUNDO , hsncurses_KEY_SUSPEND = KEY_SUSPEND , hsncurses_KEY_UNDO = KEY_UNDO , hsncurses_KEY_MOUSE = KEY_MOUSE , hsncurses_KEY_RESIZE = KEY_RESIZE , hsncurses_KEY_EVENT = KEY_EVENT }; #endc {# enum hsncurses_Key as Key {} with prefix = "hsncurses_" #} -- mouse buttons #c enum hsncurses_Button { hsncurses_BUTTON_CTRL = BUTTON_CTRL , hsncurses_BUTTON_SHIFT = BUTTON_SHIFT , hsncurses_BUTTON_ALT = BUTTON_ALT , hsncurses_BUTTON1_RELEASED = BUTTON1_RELEASED , hsncurses_BUTTON1_PRESSED = BUTTON1_PRESSED , hsncurses_BUTTON1_CLICKED = BUTTON1_CLICKED , hsncurses_BUTTON1_DOUBLE_CLICKED = BUTTON1_DOUBLE_CLICKED , hsncurses_BUTTON1_TRIPLE_CLICKED = BUTTON1_TRIPLE_CLICKED , hsncurses_BUTTON2_RELEASED = BUTTON2_RELEASED , hsncurses_BUTTON2_PRESSED = BUTTON2_PRESSED , hsncurses_BUTTON2_CLICKED = BUTTON2_CLICKED , hsncurses_BUTTON2_DOUBLE_CLICKED = BUTTON2_DOUBLE_CLICKED , hsncurses_BUTTON2_TRIPLE_CLICKED = BUTTON2_TRIPLE_CLICKED , hsncurses_BUTTON3_RELEASED = BUTTON3_RELEASED , hsncurses_BUTTON3_PRESSED = BUTTON3_PRESSED , hsncurses_BUTTON3_CLICKED = BUTTON3_CLICKED , hsncurses_BUTTON3_DOUBLE_CLICKED = BUTTON3_DOUBLE_CLICKED , hsncurses_BUTTON3_TRIPLE_CLICKED = BUTTON3_TRIPLE_CLICKED , hsncurses_BUTTON4_RELEASED = BUTTON4_RELEASED , hsncurses_BUTTON4_PRESSED = BUTTON4_PRESSED , hsncurses_BUTTON4_CLICKED = BUTTON4_CLICKED , hsncurses_BUTTON4_DOUBLE_CLICKED = BUTTON4_DOUBLE_CLICKED , hsncurses_BUTTON4_TRIPLE_CLICKED = BUTTON4_TRIPLE_CLICKED #ifdef BUTTON5_RELEASED , hsncurses_BUTTON5_RELEASED = BUTTON5_RELEASED , hsncurses_BUTTON5_PRESSED = BUTTON5_PRESSED , hsncurses_BUTTON5_CLICKED = BUTTON5_CLICKED , hsncurses_BUTTON5_DOUBLE_CLICKED = BUTTON5_DOUBLE_CLICKED , hsncurses_BUTTON5_TRIPLE_CLICKED = BUTTON5_TRIPLE_CLICKED #endif }; #endc {# enum hsncurses_Button as Button {} with prefix = "hsncurses_" #} ncurses-0.2.16/lib/UI/NCurses/Compat.hs0000644000000000000000000000175712760705521015713 0ustar0000000000000000{-# LANGUAGE CPP #-} -- Copyright (C) 2014 John Millikin -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- any later version. -- -- This program 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 General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program. If not, see . -- This is a separate file because c2hs doesn't define MIN_VERSION_* -- macros when it's preprocessing a .chs file. module UI.NCurses.Compat ( void ) where #if MIN_VERSION_base(4,3,0) import Control.Monad (void) #else void :: Functor f => f a -> f () void = fmap (const ()) #endif