leksah-0.4: src/IDE/Leksah.hs
{-# OPTIONS_GHC -XScopedTypeVariables #-}
-----------------------------------------------------------------------------
--
-- Module : IDE.Leksah
-- Copyright : (c) Juergen Nicklisch-Franken (aka Jutaro)
-- License : GNU-GPL
--
-- Maintainer : Juergen Nicklisch-Franken <info at leksah.org>
-- Stability : experimental
-- Portability : portable
--
--
-- Main function of Leksah, an Haskell IDE written in Haskell
--
---------------------------------------------------------------------------------
module IDE.Leksah (
runMain
) where
import Graphics.UI.Gtk
import Graphics.UI.Gtk.Gdk.Events
import qualified Graphics.UI.Gtk.Gdk.Events as GdkEvents
import Control.Monad.Reader
import Control.Concurrent
import Data.IORef
import Data.Maybe
import Data.List(sort)
import qualified Data.Map as Map
import System.Console.GetOpt
import System.Environment
import GHC
import HscTypes hiding (liftIO)
import Config
import Data.Version
import Prelude hiding(catch)
import System.FilePath
import System.Directory
import Debug.Trace
import Paths_leksah
import IDE.SaveSession
import IDE.Core.State
import Control.Event
import IDE.SourceCandy
import IDE.FileUtils
import Graphics.UI.Editor.MakeEditor
import Graphics.UI.Editor.Parameters
import IDE.Menu
import IDE.Pane.Preferences
import IDE.Keymap
import IDE.Pane.SourceBuffer
import IDE.SpecialEditors
import IDE.Metainfo.Provider
import IDE.Metainfo.SourceCollector
import IDE.Metainfo.InterfaceCollector
import IDE.Pane.Log
import IDE.Pane.Info
import IDE.Pane.Modules
import IDE.GUIHistory
import IDE.Pane.Search(setChoices,searchMetaGUI)
import IDE.Find
-- ---------------------------------------------------------------------
-- Command line options
--
data Flag = UninstalledProject String | Collect | Rebuild | Sources | VersionF | DebugF
| SessionN String | NoGUI
deriving (Show,Eq)
options :: [OptDescr Flag]
options = [Option ['r'] ["Rebuild"] (NoArg Rebuild)
"Cleans all .pack files and rebuild everything"
, Option ['c'] ["Collect"] (NoArg Collect)
"Collects new information in .pack files"
, Option ['u'] ["Uninstalled"] (ReqArg UninstalledProject "FILE")
"Gather info about an uninstalled package"
, Option ['s'] ["Sources"] (NoArg Sources)
"Gather info about pathes to sources"
, Option ['v'] ["Version"] (NoArg VersionF)
"Show the version number of ide"
, Option ['d'] ["Debug"] (NoArg DebugF)
"Write ascii pack files"
, Option ['l'] ["LoadSession"] (ReqArg SessionN "NAME")
"Load session"
, Option ['n'] ["NoGUI"] (NoArg NoGUI)
"Don't start the leksah GUI"]
ideOpts :: [String] -> IO ([Flag], [String])
ideOpts argv =
case getOpt Permute options argv of
(o,n,[] ) -> return (o,n)
(_,_,errs) -> ioError $userError $concat errs ++ usageInfo header options
where header = "Usage: ide [OPTION...] files..."
-- ---------------------------------------------------------------------
-- | Main function
--
runMain = handleTopExceptions $ do
args <- getArgs
(o,_) <- ideOpts args
let uninstalled = filter (\x -> case x of
UninstalledProject _ -> True
_ -> False) o
let sessions = filter (\x -> case x of
SessionN _ -> True
_ -> False) o
let sessionFilename = if not (null sessions)
then (head $ map (\ (SessionN x) -> x) sessions) ++ ".session"
else "Current.session"
when (elem VersionF o)
(sysMessage Normal $ "Leksah an IDE for Haskell, version " ++ showVersion version)
when (elem Sources o) (do
buildSourceForPackageDB
sysMessage Normal "rebuild SourceForPackageDB")
when (elem Rebuild o || elem Collect o || not (null uninstalled)) $ do
libDir <- getSysLibDir
runGhc (Just libDir) $ do
getSessionDynFlags >>= setSessionDynFlags
let version = cProjectVersion
let uninstalled = filter (\x -> case x of
UninstalledProject _ -> True
_ -> False) o
let writeAscii = elem DebugF o
if length uninstalled > 0
then mapM_ (collectUninstalled writeAscii version)
$ map (\ (UninstalledProject x) -> x) uninstalled
else do
sources <- liftIO $ getSourcesMap
collectInstalled' writeAscii version (elem Rebuild o) sources
when (not (elem NoGUI o) && not (elem VersionF o)) (startGUI sessionFilename)
-- ---------------------------------------------------------------------
-- | Start the GUI
startGUI :: String -> IO ()
startGUI sessionFilename = do
trace "start gui called" $ return ()
st <- unsafeInitGUIForThreadedRTS -- initGUI
when rtsSupportsBoundThreads
(sysMessage Normal "Linked with -threaded")
timeoutAddFull (yield >> return True) priorityHigh 25
mapM_ (sysMessage Normal) st
uiManager <- uiManagerNew
newIcons
hasConfigDir' <- hasConfigDir
when (not hasConfigDir') firstStart
prefsPath <- getConfigFilePathForLoad "Default.prefs"
prefs <- readPrefs prefsPath
keysPath <- getConfigFilePathForLoad $keymapName prefs ++ ".keymap"
keyMap <- parseKeymap keysPath
let accelActions = setKeymap (keyMap :: KeymapI) actions
specialKeys <- buildSpecialKeys keyMap accelActions
candyPath <- getConfigFilePathForLoad
(case sourceCandy prefs of
Nothing -> "Default.candy"
Just name -> name ++ ".candy")
candySt <- parseCandy candyPath
win <- windowNew
dataDir <- getDataDir
let iconPath = dataDir </> "data" </> "leksah.png"
iconExists <- doesFileExist iconPath
when iconExists $
windowSetIconFromFile win iconPath
findBar <- liftIO $ toolbarNew
toolbarSetStyle findBar ToolbarIcons
let ide = IDE
{ window = win
, uiManager = uiManager
, panes = Map.empty
, activePane = Nothing
, lastActiveBufferPane = Nothing
, paneMap = Map.empty
, layout = (TerminalP Nothing (-1))
, specialKeys = specialKeys
, specialKey = Nothing
, candy = candySt
, prefs = prefs
, activePack = Nothing
, errors = []
, currentErr = Nothing
, accessibleInfo = Nothing
, currentInfo = Nothing
, handlers = Map.empty
, isShuttingDown = False
, guiHistory = (False,[],-1)
, findbar = findBar
, toolbar = Nothing
, findbarVisible = True
, toolbarVisible = True
}
ideR <- newIORef ide
libDir <- getSysLibDir
runGhc (Just libDir) (do
getSessionDynFlags >>= setSessionDynFlags
reifyGhc (\session -> do
menuDescription' <- menuDescription
(acc,menus) <- reflectIDE (makeMenu uiManager accelActions menuDescription') ideR session
when (length menus /= 2) $ throwIDE ("Failed to build menu" ++ show (length menus))
let toolbar = castToToolbar (menus !! 1)
reflectIDE (do
constructFindReplace findBar
modifyIDE_ (\ide -> return ide{toolbar = Just toolbar})
initInfo :: IDEAction) ideR session
sep0 <- separatorToolItemNew
separatorToolItemSetDraw sep0 False
toolItemSetExpand sep0 True
toolbarInsert toolbar sep0 (-1)
closeButton <- toolButtonNewFromStock "gtk-close"
toolbarInsert toolbar closeButton (-1)
closeButton `onToolButtonClicked` do
reflectIDE hideToolbar ideR session
windowAddAccelGroup win acc
nb <- newNotebook
afterSwitchPage nb (\i -> reflectIDE (handleNotebookSwitch nb i) ideR session)
widgetSetName nb $"root"
statusBar <- buildStatusbar ideR
vb <- vBoxNew False 1 -- Top-level vbox
widgetSetName vb "topBox"
toolbarSetStyle (castToToolbar (menus !! 1)) ToolbarIcons
boxPackStart vb (menus !! 0) PackNatural 0
boxPackStart vb (menus !! 1) PackNatural 0
boxPackStart vb nb PackGrow 0
boxPackStart vb findBar PackNatural 0
boxPackEnd vb statusBar PackNatural 0
win `onDelete` (\ _ -> do reflectIDE quit ideR session; return True)
win `onKeyPress` (\ e -> reflectIDE (handleSpecialKeystrokes e) ideR session)
containerAdd win vb
reflectIDE (setCandyState (isJust (sourceCandy prefs))) ideR session
let (x,y) = defaultSize prefs
windowSetDefaultSize win x y
sessionPath <- getConfigFilePathForLoad sessionFilename
(tbv,fbv) <- reflectIDE (do
registerEvents menus
recoverSession sessionPath
) ideR session
widgetShowAll win
reflectIDE (do
if tbv
then showToolbar
else hideToolbar
if fbv
then showFindbar
else hideFindbar) ideR session
mainGUI))
--
-- | Callback function for onKeyPress of the main window, so preprocess any key
--
handleSpecialKeystrokes :: GdkEvents.Event -> IDEM Bool
handleSpecialKeystrokes (Key _ _ _ mods _ _ _ keyVal name mbChar) = do
bs <- getCandyState
when bs $ editKeystrokeCandy mbChar
sk <- readIDE specialKey
sks <- readIDE specialKeys
sb <- getSBSpecialKeys
case sk of
Nothing -> do
case Map.lookup (keyVal,sort mods) sks of
Nothing -> do
liftIO $statusbarPop sb 1
liftIO $statusbarPush sb 1 ""
return False
Just map -> do
sb <- getSBSpecialKeys
let sym = printMods mods ++ name
liftIO $statusbarPop sb 1
liftIO $statusbarPush sb 1 sym
modifyIDE_ (\ide -> return (ide{specialKey = Just (map,sym)}))
return True
Just (map,sym) -> do
case Map.lookup (keyVal,sort mods) map of
Nothing -> do
sb <- getSBSpecialKeys
liftIO $statusbarPop sb 1
liftIO $statusbarPush sb 1 $sym ++ printMods mods ++ name ++ "?"
return ()
Just (AD actname _ _ _ ideAction _ _) -> do
sb <- getSBSpecialKeys
liftIO $statusbarPop sb 1
liftIO $statusbarPush sb 1
$sym ++ " " ++ printMods mods ++ name ++ "=" ++ actname
ideAction
modifyIDE_ (\ide -> return (ide{specialKey = Nothing}))
return True
where
printMods :: [Modifier] -> String
printMods [] = ""
printMods (m:r) = show m ++ printMods r
handleSpecialKeystrokes _ = return True
--
-- | Register handlers for IDE events
--
registerEvents :: [Widget] -> IDEAction
registerEvents tbl = do
stRef <- ask
registerEvent stRef "LogMessage" (Left logHandler)
registerEvent stRef "SelectInfo" (Left siHandler)
registerEvent stRef "SelectIdent" (Left sidHandler)
registerEvent stRef "CurrentInfo" (Left ciuHandler)
registerEvent stRef "ActivePack" (Left apHandler)
registerEvent stRef "RecordHistory" (Left rhHandler)
registerEvent stRef "Sensitivity" (Left sHandler)
registerEvent stRef "DescrChoice" (Left dcHandler)
registerEvent stRef "SearchMeta" (Left smHandler)
registerEvent stRef "LoadSession" (Left lsHandler)
registerEvent stRef "SaveSession" (Left ssHandler)
return ()
where
logHandler e@(LogMessage s t) = do
(log :: IDELog) <- getLog
liftIO $ appendLog log s t
return e
logHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
siHandler e@(SelectInfo str) = do
setSymbol str
return e
siHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
sidHandler e@(SelectIdent id) = do
selectIdentifier id
return e
sidHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
ciuHandler CurrentInfo = do
reloadKeepSelection
return CurrentInfo
ciuHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
apHandler ActivePack = do
infoForActivePackage :: IDEAction
return ActivePack
apHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
rhHandler rh@(RecordHistory h) = do
recordHistory h
return rh
rhHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
sHandler s@(Sensitivity h) = do
setSensitivity h
return s
sHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
dcHandler e@(DescrChoice descrs) = do
setChoices descrs
return e
dcHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
smHandler e@(SearchMeta string) = searchMetaGUI string >> return e
smHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
lsHandler e@(LoadSession fp) = loadSession fp >> return e
lsHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
ssHandler e@(SaveSession fp) = saveSessionAs fp >> return e
ssHandler _ = throwIDE "Leksah>>registerEvents: Impossible event"
fDescription :: FieldDescription Prefs
fDescription =
mkField
(paraName <<<- ParaName "Paths under which haskell sources may be found"
$ paraDirection <<<- ParaDirection Vertical
$ emptyParams)
sourceDirectories
(\b a -> a{sourceDirectories = b})
(filesEditor Nothing FileChooserActionSelectFolder "Select folders")
--
-- | Called when leksah ist first called (the .leksah directory does not exist)
--
firstStart :: IO ()
firstStart = do
prefsPath <- getConfigFilePathForLoad "Default.prefs"
prefs <- readPrefs prefsPath
dialog <- windowNew
vb <- vBoxNew False 0
bb <- hButtonBoxNew
ok <- buttonNewFromStock "gtk-ok"
cancel <- buttonNewFromStock "gtk-cancel"
boxPackStart bb ok PackNatural 0
boxPackStart bb cancel PackNatural 0
label <- labelNew (Just ("Welcome to Leksah, an IDE for Haskell.\n" ++
"At the first start, Leksah will collect metadata about your installed haskell packages.\n" ++
"Select folders under which you have installed Haskell packages with sources below and click add.\n" ++
"It may take some time before Leksah starts up."))
(widget, setInj, getExt,notifier)
<- buildEditor fDescription prefs
ok `onClicked` (do
mbNewPrefs <- extract prefs [getExt]
case mbNewPrefs of
Nothing -> return ()
Just newPrefs -> do
fp <- getConfigFilePathForSave "Default.prefs"
writePrefs fp newPrefs
widgetDestroy dialog
mainQuit
firstBuild)
cancel `onClicked` (do
widgetDestroy dialog
mainQuit)
dialog `onDelete` (\_ -> do
widgetDestroy dialog
mainQuit
return True)
boxPackStart vb label PackGrow 7
boxPackStart vb widget PackGrow 7
boxPackEnd vb bb PackNatural 7
containerAdd dialog vb
widgetSetSizeRequest dialog 700 400
widgetShowAll dialog
mainGUI
return ()
firstBuild :: IO ()
firstBuild = let version = cProjectVersion in do
buildSourceForPackageDB
sources <- getSourcesMap
libDir <- getSysLibDir
runGhc (Just libDir) $ collectInstalled' False version True sources