System/Win32/WindowsString/Console.hsc
-----------------------------------------------------------------------------
-- |
-- Module : System.Win32.WindowsString.Console
-- Copyright : (c) University of Glasgow 2023
-- License : BSD-style (see the file LICENSE)
--
-- Maintainer : Esa Ilari Vuokko <ei@vuokko.info>
-- Stability : provisional
-- Portability : portable
--
-- A collection of FFI declarations for interfacing with Win32 Console API (WindowsString variant)
--
-----------------------------------------------------------------------------
module System.Win32.WindowsString.Console (
-- * Console mode
getConsoleMode,
setConsoleMode,
eNABLE_ECHO_INPUT,
eNABLE_EXTENDED_FLAGS,
eNABLE_INSERT_MODE,
eNABLE_LINE_INPUT,
eNABLE_MOUSE_INPUT,
eNABLE_PROCESSED_INPUT,
eNABLE_QUICK_EDIT_MODE,
eNABLE_WINDOW_INPUT,
eNABLE_VIRTUAL_TERMINAL_INPUT,
eNABLE_PROCESSED_OUTPUT,
eNABLE_WRAP_AT_EOL_OUTPUT,
eNABLE_VIRTUAL_TERMINAL_PROCESSING,
dISABLE_NEWLINE_AUTO_RETURN,
eNABLE_LVB_GRID_WORLDWIDE,
-- * Console code pages
getConsoleCP,
setConsoleCP,
getConsoleOutputCP,
setConsoleOutputCP,
-- * Ctrl events
CtrlEvent, cTRL_C_EVENT, cTRL_BREAK_EVENT,
generateConsoleCtrlEvent,
-- * Command line
commandLineToArgv,
getCommandLineW,
getArgs,
-- * Screen buffer
CONSOLE_SCREEN_BUFFER_INFO(..),
CONSOLE_SCREEN_BUFFER_INFOEX(..),
COORD(..),
SMALL_RECT(..),
COLORREF,
getConsoleScreenBufferInfo,
getCurrentConsoleScreenBufferInfo,
getConsoleScreenBufferInfoEx,
getCurrentConsoleScreenBufferInfoEx
) where
#include <windows.h>
#include "alignment.h"
##include "windows_cconv.h"
#include "wincon_compat.h"
import System.Win32.WindowsString.Types
import System.Win32.Console.Internal
import System.Win32.Console hiding (getArgs, commandLineToArgv)
import System.OsString.Windows
import Foreign.Storable (Storable(..))
import Foreign.Marshal.Array (peekArray)
import Foreign.Marshal.Alloc (alloca)
-- | This function can be used to parse command line arguments and return
-- the split up arguments as elements in a list.
commandLineToArgv :: WindowsString -> IO [WindowsString]
commandLineToArgv arg
| arg == mempty = return []
| otherwise = withTString arg $ \c_arg -> do
alloca $ \c_size -> do
res <- c_CommandLineToArgvW c_arg c_size
size <- peek c_size
args <- peekArray (fromIntegral size) res
_ <- localFree res
mapM peekTString args
-- | Based on 'GetCommandLineW'. This behaves slightly different
-- than 'System.Environment.getArgs'. See the online documentation:
-- <https://learn.microsoft.com/en-us/windows/win32/api/processenv/nf-processenv-getcommandlinew>
getArgs :: IO [WindowsString]
getArgs = do
getCommandLineW >>= peekTString >>= commandLineToArgv