matsuri (empty) → 0.0.1
raw patch · 17 files changed
+1677/−0 lines, 17 filesdep +ConfigFiledep +XMPPdep +basesetup-changed
Dependencies added: ConfigFile, XMPP, base, containers, directory, mtl, network, old-locale, split, time, vty, vty-ui
Files
- Buffers.hs +103/−0
- Config.hs +98/−0
- Help.hs +20/−0
- Jabber.hs +107/−0
- LICENSE +674/−0
- Main.hs +146/−0
- README +31/−0
- Setup.hs +2/−0
- UI.hs +87/−0
- Utils.hs +21/−0
- Widgets/EditBox.hs +74/−0
- Widgets/PrettyBorders.hs +42/−0
- Widgets/TextBox.hs +54/−0
- Widgets/Tree.hs +179/−0
- debug.sh +3/−0
- matsuri.cabal +27/−0
- matsurirc.example +9/−0
+ Buffers.hs view
@@ -0,0 +1,103 @@+-- | Buffers.hs+-- A module which contain buffer structures (structures which contain+-- text and info about opened rooms and privates).++module Buffers where++import Network.XMPP (TCPConnection)+import Network.XMPP.Roster (RosterItem(..))+import Network.XMPP.Presence (Status(..), StatusType(..))+import Control.Concurrent (ThreadId)+import Graphics.Vty (Event)+import qualified Data.Map as M+import Data.List+++type Buffers = M.Map Key Buffer+type Key = String+data Buffer = BufHelp [Content]+ | BufAccount Account+ | BufChat Chat+ | BufGroupchat Groupchat++-- Show instances+instance Show Buffer where+ show (BufHelp _) = "[help]"+ show (BufAccount acc) =+ case connection acc of+ OK _ _ -> c:" [o] "++accName acc+ NoConnection -> c:" [_] "++accName acc+ Trying -> c:" [c] "++accName acc+ where c = if accCollapsed acc then '+' else '-'+ show (BufChat chat) = " "++(show $ status chat)+++ " "++(itemJid $ item chat)+ show (BufGroupchat _) = ""++instance Show Status where+ show (Status StatusOnline _) = "[o]"+ show (Status StatusAway _) = "[a]"+ show (Status StatusChat _) = "[c]"+ show (Status StatusDND _) = "[d]"+ show (Status StatusXA _) = "[n]"+ show (Status StatusOffline _) = "[_]"+++data Account = Account+ { accName :: String+ , username :: String+ , server :: String+ , password :: String+ , resource :: String+ , defaultNick :: String+ , connection :: Connection+ , accCollapsed :: Bool+ }++data Connection = OK TCPConnection ThreadId+ | NoConnection+ | Trying++data Chat = Chat+ { item :: RosterItem+ , status :: Status+ , chatName :: String+ , chatConn :: TCPConnection+ , chatContents :: [Content]+ }++data Groupchat = Groupchat+ { groupchatContents :: [Content]+ , groupchatNick :: String+ }++-- | New contents goes at top for more eaiser insert.+data Content = Msg String+ | MyMsg String+ | HistoryMsg String+ | InfoMsg String+++data MEvent = VtyEvent Event+ | InsBuffer Key Buffer+ | NewMsg Key Content+ | NewStatus Key Status+++insElem :: Key -> Buffer -> Buffers -> Buffers+insElem k = M.insert k++getAccount :: Key -> Buffers -> Maybe Account+getAccount cur buffers =+ case M.lookup cur buffers of+ Just (BufAccount account) -> Just account+ _ -> Nothing++getBuf :: Key -> Buffers -> Buffer+getBuf cur buffers =+ case M.lookup cur buffers of+ Just buf -> buf+ _ -> BufHelp []++killBuffers :: String -> Buffers -> Buffers+killBuffers startswith =+ M.filterWithKey (\k _ -> not $ startswith `isPrefixOf` k)
+ Config.hs view
@@ -0,0 +1,98 @@+-- | Config.hs+-- A module which parse config file and contain Config structure for+-- further usage.++module Config (+ Config,+ readConfig,+ getCF,+ setCF+) where++import Buffers++import Data.ConfigFile+import qualified Data.Map as M+import System.Directory+import Control.Monad.Error+import Control.OldException+import Data.List+++type Config = M.Map OptionSpec String++-- | Default config. If no value in config file, then default value+-- will be used.+defaultConfig = [ ("client", "matsuri")+ , ("version", "unknown")+ , ("OS", "unknown")+ , ("roster_width", "30")+ , ("show_roster", "1")+ ]+++-- | Reading "main" and "account_*" sections of config file.+readConfig :: FilePath -> IO (Config, Buffers)+readConfig filePath = do+ home <- getHomeDirectory+ fileCnt <- handle (\_ -> return "[main]") (readFile (home++"/"++filePath))+ let def_conf = M.fromList defaultConfig+ confs <- runErrorT $ do+ conf <- readstring emptyCP fileCnt++ -- reading and updating main options+ mainOptions <- items conf "main"+ let config = foldr updateValue def_conf mainOptions++ -- reading account_* sections+ let sects = filter (\acc -> take 8 acc == "account_") (sections conf)+ accountsList <- forM sects $ \account -> do+ accountItems <- items conf account+ return (drop 8 account, accountItems)+ let start = M.singleton "help" (BufHelp [])+ accounts = foldr updateAccount start accountsList++ return (config, accounts)+ case confs of+ Left _ -> error "can't parse config file (wrong format)"+ Right conf -> return conf++-- | Update option's value or exit with error if no such option.+updateValue :: (OptionSpec, String) -> Config -> Config+updateValue (option, value) config =+ let (value', config') = M.updateLookupWithKey+ (\_ _ -> Just value)+ option+ config+ in case value' of+ Just _ -> config'+ Nothing -> error $ "can't parse config file\+ \ (unknown \"" ++ option ++ "\" option)"++-- | Update account in HashTable or exit with error if wrong options.+updateAccount :: (String, [(OptionSpec, String)]) -> Buffers -> Buffers+updateAccount (accountName, accountItems) =+ M.insert+ accountName+ (BufAccount Account+ { accName = accountName+ , username = findItem "username"+ , server = findItem "server"+ , password = findItem "password"+ , resource = findItem "resource"+ , defaultNick = findItem "nick"+ , connection = NoConnection+ , accCollapsed = False+ })+ where findItem itemName =+ case find (\(name, _) -> name == itemName) accountItems of+ Just value -> snd value+ _ -> error $ "can't parse config file\+ \ (wrong \"" ++ accountName ++ "\" account options)"+++getCF :: String -> Config -> String+getCF k = maybe "" id . M.lookup k++setCF :: String -> String -> Config -> Config+setCF k v = M.adjust (const v) k
+ Help.hs view
@@ -0,0 +1,20 @@+module Help (+ help_all+) where++help_all :: String+help_all = "\+\Commands:\n\+\\n\+\/help -- this help message\n\+\/c -- connect account\n\+\/d -- disconnect account\n\+\/q -- exit\n\+\\n\+\Hotkeys:\n\+\\n\+\C-n C-p -- moves in roster\n\+\C-a C-f C-b C-e -- moves in edit box\n\+\C-v -- show/hide roster\n\+\RET -- collapse/expand group\n\+\C-q -- exit"
+ Jabber.hs view
@@ -0,0 +1,107 @@+-- | Jabber.hs+-- A module for interaction with XMPP.++module Jabber where++import Buffers+import Config+import Utils++import Network+import Network.XMPP+import Network.XMPP.Presence+import Network.XMPP.Roster+import Network.XMPP.MUC+import Control.Concurrent+import Control.Concurrent.MVar+import Data.Maybe+++connect :: MVar MEvent -> Config -> Account -> IO Buffer+connect mev config acc =+ case connection acc of+ NoConnection -> do+ forkIO $ do+ c <- openStream (server acc)+ getStreamStart c+ runXMPP c $ do+ err <- startAuth (username acc)+ (server acc)+ (password acc)+ (resource acc)+ if err == 0+ then do+ tId <- liftIO $ myThreadId+ insConn (OK c tId)++ mapM_ (liftIO . putMVar mev . insBuf c) =<< getRoster+ sendPresence+ -- set handlers+ handleVersion (getCF "client" config)+ (getCF "version" config)+ (getCF "OS" config)+ addHandler isChat (chatCB mev k) True+ addHandler isPresence (presenceCB mev k) True+ ---+ else insConn NoConnection+ return $ doBuf Trying+ _ -> return (BufAccount acc)+ where+ insConn = liftIO . putMVar mev . InsBuffer (accName acc) . doBuf+ doBuf conn = BufAccount acc{connection=conn}++ k = accName acc+ insBuf c item = InsBuffer (chatName' item) (item2buf c item)+ item2buf c item = BufChat (Chat item offline (chatName' item) c [])+ offline = Status StatusOffline []+ chatName' item = k++"|"++itemJid item+++-- | Close account connection.+disconnect :: Account -> IO Buffer+disconnect account =+ case connection account of+ OK c tId -> do+ killThread tId+ closeConnection c+ return (BufAccount account{connection=NoConnection})+ _ -> return (BufAccount account)+++-- | Status changes.+presenceCB :: MVar MEvent -> String -> StanzaHandler+presenceCB mev acc stanza = do+ let (jid, res) = getJidRes stanza+ presence = doPresence stanza+ case presence of+ Available status' -> putStatus jid status'+ Unavailable status' -> putStatus jid status'+ _ -> return ()+ where+ putStatus jid = liftIO . putMVar mev . NewStatus (acc++"|"++jid)+++-- | Send chat message.+sendChatMessage :: Chat -> String -> IO Buffer+sendChatMessage chat msg = do+ runXMPP (chatConn chat) $ sendMessage (itemJid $ item chat) msg+ time <- nowTime+ let msg' = MyMsg $ time++" => "++msg+ return $ BufChat chat{chatContents=msg':(chatContents chat)}+++-- | Callback for chat messages.+chatCB :: MVar MEvent -> String -> StanzaHandler+chatCB mev acc stanza = do+ let stamp = getMessageStamp stanza+ isHistory = isJust stamp+ time <- liftIO $ if isHistory+ then utcToZoned $ maybe "" id stamp+ else nowTime++ let (jid, res) = getJidRes stanza+ body = maybe "" id (getMessageBody stanza)+ msg = time++" <= "++body+ msg' = if isHistory then HistoryMsg msg else Msg msg++ liftIO $ putMVar mev $ NewMsg (acc++"|"++jid) msg'
+ LICENSE view
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+ Main.hs view
@@ -0,0 +1,146 @@+{-# LANGUAGE RecordWildCards #-}++-- | Main.hs+-- Main program module.++import Buffers+import Config+import Help+import Jabber+import UI++import Network+import Control.Concurrent+import Control.Concurrent.MVar+import qualified Data.Map as M+import Graphics.Vty+import Graphics.Vty.Widgets.All+import qualified Widgets.Tree as T+import qualified Widgets.EditBox as E+++-- | Read configs and start main loop.+main = withSocketsDo $ do+ -- read config+ (config, buffers) <- readConfig ".matsurirc"+ vty <- mkVty+ mev <- newEmptyMVar+ -- main loop+ forkIO $ loopGetEvent mev vty+ rerender mev vty (defaultUI buffers) config buffers+ -- disconnect all accounts+ mapM_ disconnect $ [acc | BufAccount acc <- (M.elems buffers)]+ -- shutdown && exiting+ shutdown vty+ where+ loopGetEvent mev vty = do+ event <- next_event vty+ putMVar mev (VtyEvent event)+ loopGetEvent mev vty+++-- | Get event and process it.+mainLoop mev vty st@(UIState {..}) config buffers = do+ event <- takeMVar mev+ case event of+ InsBuffer k buffer -> insElem' k buffer+ ---+ NewMsg k msg ->+ case getBuf k buffers of+ BufChat chat -> do+ let contents = msg:(chatContents chat)+ insElem' k $ BufChat chat{chatContents=contents}+ _ -> skip+ ---+ NewStatus k status' ->+ case getBuf k buffers of+ BufChat chat -> insElem' k $ BufChat chat{status=status'}+ _ -> skip+ ---+ VtyEvent event' -> case event' of+ -- tree+ EvKey (KASCII 'p') [MCtrl] -> rerender' $ st { roster = T.moveUp roster }+ EvKey (KASCII 'n') [MCtrl] -> rerender' $ st { roster = T.moveDn roster }+ EvKey KEnter [] | E.contents edit == "" ->+ case getAccount cur buffers of+ Just acc ->+ let buf = BufAccount acc{accCollapsed = not $ accCollapsed acc}+ in insElem' cur buf+ _ -> skip++ -- show/hide+ EvKey (KASCII 'v') [MCtrl] ->+ let isShow = getCF "show_roster" config+ isShow' = if null isShow then "1"+ else ""+ config' = setCF "show_roster" isShow' config+ in rerender mev vty st config' buffers++ -- edit box+ EvKey (KASCII c ) [] -> rerender' $ st { edit = E.insert c edit }+ EvKey (KASCII 'a') [MCtrl] -> rerender' $ st { edit = E.moveToHome edit }+ EvKey (KASCII 'f') [MCtrl] -> rerender' $ st { edit = E.moveRight edit }+ EvKey (KASCII 'b') [MCtrl] -> rerender' $ st { edit = E.moveLeft edit }+ EvKey (KASCII 'e') [MCtrl] -> rerender' $ st { edit = E.moveToEnd edit }+ EvKey KBS [] -> rerender' $ st { edit = E.backSpace edit }+ EvKey KDel [] -> rerender' $ st { edit = E.delete edit }+ -- parse command || send message+ EvKey KEnter [] -> case E.contents edit of+ "/q" -> return ()+ ('/':cmd) -> do+ buffers' <- parseCmd cmd+ let st' = st { edit = E.empty+ , roster = mkTree roster buffers'+ }+ rerender mev vty st' config buffers'+ msg -> case getBuf cur buffers of+ BufChat chat -> do+ buffer <- sendChatMessage chat (E.contents edit)+ let buffers' = insElem cur buffer buffers+ st' = st { edit = E.empty }+ rerender mev vty st' config buffers'+ _ -> skip++ -- other+ EvResize w h -> rerender' st+ EvKey (KASCII 'q') [MCtrl] -> return ()+ _ -> skip+ where+ skip = mainLoop mev vty st config buffers+ rerender' st = rerender mev vty st config buffers+ -- insert new element in buffer (or simply replace old element)+ -- and re-create roster tree+ insElem' k buffer =+ let buffers' = insElem k buffer buffers+ st' = st { roster = mkTree roster buffers' }+ in rerender mev vty st' config buffers'+ -- connect+ parseCmd "c" = case getAccount cur buffers of+ Just acc -> do+ buffer <- connect mev config acc+ return $ insElem (accName acc) buffer buffers+ _ -> ins2help (InfoMsg "can't connect: not an account")+ -- disconnect+ parseCmd "d" = case getAccount cur buffers of+ Just acc -> do+ buffer <- disconnect acc+ let buffers' = insElem cur buffer buffers+ buffers'' = killBuffers (accName acc++"|") buffers'+ return buffers''+ _ -> ins2help (InfoMsg "can't disconnect: not an account")+ where cur = T.cur roster+ -- help+ parseCmd "help" = ins2help (InfoMsg help_all)+ parseCmd unknown_cmd = ins2help (InfoMsg $ "unknown `"++unknown_cmd+++ "' command, try `/help'")+ ---+ cur = T.cur roster+ ins2help cnt = return $ case getBuf "help" buffers of+ BufHelp cnts -> insElem "help" (BufHelp $ cnt:cnts) buffers+ _ -> buffers+++rerender mev vty st config buffers+ = mkImage vty (mkUI st config buffers) >>=+ update vty . pic_for_image >>+ mainLoop mev vty st config buffers
+ README view
@@ -0,0 +1,31 @@+* Install++% cabal install++from dir with sources or++% cabal update && cabal install matsuri++to download from hackage.+++* Config++Edit matsurirc.example (set your account's username, password, etc)+and copy it to ~/.matsurirc+++* Using++Run++% ~/.cabal/bin/matsuri++and type `/help'.+++* More info++web-page: http://kagami.touhou.ru/projects/show/matsuri+e-mail: newanon@yandex.ru+xmpp: anon0@jabber.ru
+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ UI.hs view
@@ -0,0 +1,87 @@+{-# LANGUAGE RecordWildCards #-}++-- | UI.hs+-- User interface.+module UI (+ UIState(..),+ mkUI,+ mkTree,+ defaultUI+) where++import Buffers+import Config+import qualified Widgets.Tree as T+import qualified Widgets.EditBox as E+import Widgets.PrettyBorders+import Widgets.TextBox++import Graphics.Vty+import Graphics.Vty.Widgets.All+import Data.Tree+import qualified Data.Map as M+import Data.List+++data UIState+ = UIState+ { roster :: T.Tree+ , textBox :: TextBox+ , edit :: E.EditBox+ }+++mkUI :: UIState -> Config -> Buffers -> Box+mkUI (UIState {..}) config buffers =+ (if null $ getCF "show_roster" config+ then tb <--> text def_attr ""+ else roster <++> pVBorder def_attr <++> tb)+ <--> text (back blue) "info"+ <--> edit+ where+ tb = case getBuf (T.cur roster) buffers of+ BufHelp cnts -> mkTextBox cnts config+ BufChat chat -> mkTextBox (chatContents chat) config+ _ -> mkTextBox [] config+++mkTextBox :: [Content] -> Config -> TextBox+mkTextBox cnts config = TextBox $ map cnt2line cnts+ where+ -- todo: read colors from config+ cnt2line (Msg msg) = (def_attr, msg)+ cnt2line (MyMsg msg) = (fore yellow, msg)+ cnt2line (HistoryMsg msg) = (fore cyan, msg)+ cnt2line (InfoMsg msg) = (fore cyan, msg)+++mkTree :: T.Tree -> Buffers -> T.Tree+mkTree roster buffers =+ roster { T.nodes = ns }+ where+ -- all nodes+ ns = (Node (T.NodeData False ("[help]", "help")) []):(map mkAcc accs)+ -- accounts+ accs = [ buf | buf@(BufAccount _) <- M.elems buffers ]+ ---+ mkAcc buf@(BufAccount acc)+ = Node (T.NodeData (accCollapsed acc) (show buf, accName acc))+ $ map (mkChat (accCollapsed acc)) (chats acc)+ mkChat coll buf@(BufChat chat)+ = Node (T.NodeData coll (show buf, chatName chat)) []+ -- get all chats account+ chats acc+ = M.elems $ M.filterWithKey (filt (accName acc++"|")) buffers+ filt prefix k _ = prefix `isPrefixOf` k+++defaultUI :: Buffers -> UIState+defaultUI buffers+ = UIState { roster = mkTree (T.defaultTree []) buffers+ , textBox = TextBox []+ , edit = E.empty+ }++---+fore = (def_attr `with_fore_color`)+back = (def_attr `with_back_color`)
+ Utils.hs view
@@ -0,0 +1,21 @@+-- | Utils.hs+-- A module for some helper functions.++module Utils (+ nowTime,+ utcToZoned+) where++import System.Locale+import Data.Time.LocalTime+import Data.Time.Format++-- | Print current time.+nowTime = getZonedTime >>= format++-- | Convert UTC string (from jabber:x:delay) to zoned.+utcToZoned :: String -> IO String+utcToZoned t = (utcToLocalZonedTime $+ readTime defaultTimeLocale "%Y%m%dT%H:%M:%S" t) >>= format++format = return . formatTime defaultTimeLocale "%H:%M:%S"
+ Widgets/EditBox.hs view
@@ -0,0 +1,74 @@+{-# LANGUAGE RecordWildCards #-}+{-# LANGUAGE NamedFieldPuns #-}++-- | EditBox.hs+-- Multiline edit box widget.+module Widgets.EditBox where++import Graphics.Vty+import Graphics.Vty.Widgets.Base+import Graphics.Vty.Widgets.WrappedText+++-- | TODO: multiline+data EditBox = EditBox { front, back :: String }+++----------------------------------------------------------------------+-- | Create empty edit box.+empty :: EditBox+empty = EditBox "" ""++-- | Get contents.+contents :: EditBox -> String+contents (EditBox{..}) = reverse front ++ back++-- | Insert new symbol.+insert :: Char -> EditBox -> EditBox+insert c box = box {front = c : front box}++resize w h = id+++----------------------------------------------------------------------+-- editing commands+-- TODO: more text editing commands (delete-world, delete-line and so on).++moveLeft box@(EditBox{front = c:front', back}) = box {front = front', back = c:back}+moveLeft box = box++moveRight box@(EditBox{front, back = c:back'}) = box {front = c:front, back = back'}+moveRight box = box++moveToHome box = box {front = "", back = contents box}+moveToEnd box = box {front = reverse $ contents box, back = ""}++backSpace box@(EditBox{front = c:front'}) = box {front = front'}+backSpace box = box++delete box@(EditBox{back = c:back'}) = box {back = back'}+delete box = box+++----------------------------------------------------------------------+-- render++instance Widget EditBox where+ growHorizontal _ = True+ growVertical _ = False+ primaryAttribute _ = def_attr+ withAttribute w _ = w++ -- TODO: convert empty lines to hFill's+ render rgn box@(EditBox{front, back})+ = render rgn $ case back of+ c : back' -> text def_attr (reverse front)+ <++> cursor c+ <++> text def_attr back'+ <++> hFill def_attr ' ' 1+ [] -> text def_attr (reverse front)+ <++> cursor ' '+ <++> hFill def_attr ' ' 1+ where+ cursorAttr = def_attr `with_style` reverse_video+ cursor c = text cursorAttr [c]
+ Widgets/PrettyBorders.hs view
@@ -0,0 +1,42 @@+-- | PrettyBorders.hs+-- Graphics.Vty.Widgets.Borders with simple replacing border char.++module Widgets.PrettyBorders (+ pVBorder,+ pHBorder+) where++import Graphics.Vty+import Graphics.Vty.Widgets.All+++-- |A horizontal or vertical border to be placed between widgets. See+-- 'pHBorder' and 'pVBorder'.+data PrettyBorder = VBorder Attr+ | HBorder Attr++instance Widget PrettyBorder where+ growVertical (VBorder _) = True+ growVertical (HBorder _) = False++ growHorizontal (VBorder _) = False+ growHorizontal (HBorder _) = True++ primaryAttribute (VBorder a) = a+ primaryAttribute (HBorder a) = a++ render s (VBorder att) =+ char_fill att '│' 1 (region_height s)+ render s (HBorder att) =+ char_fill att '-' (region_width s) 1++ withAttribute (VBorder _) att = VBorder att+ withAttribute (HBorder _) att = HBorder att++-- |Create a single-column vertical border.+pVBorder :: Attr -> PrettyBorder+pVBorder = VBorder++-- |Create a single-row horizontal border.+pHBorder :: Attr -> PrettyBorder+pHBorder = HBorder
+ Widgets/TextBox.hs view
@@ -0,0 +1,54 @@+-- | TextBox.hs+-- A widget which contain mutlicolored text lines with ability of+-- scrolling.++module Widgets.TextBox (+ TextBox(..),+ TextLine+) where++import Graphics.Vty+import Graphics.Vty.Widgets.All+import Data.List.Split+++-- | At first goes bottom lines of text for more efficience insert.+--+-- line3+-- [line1, line2, line3] -> line2+-- line1+--+-- TODO: scrolling, box sizes+data TextBox = TextBox [TextLine]+type TextLine = (Attr, String)+++instance Widget TextBox where+ growVertical _ = True+ growHorizontal _ = True+ primaryAttribute _ = def_attr+ withAttribute w _ = w++ -- wrap long lines by screen width and render required part+ render rgn (TextBox ls)+ = vert_cat $ (map (uncurry string) ls') ++ [fill]+ where+ fill = char_fill def_attr ' ' w (h - (length ls'))+ ls' = reverse $ take h $ concat $ map wrapLine ls+ -- do text lines with fixed width+ wrapLine (a, str) =+ reverse $ map (\s -> (a, doLong s w)) $ wrapped str+ -- wrap on newlines then wrap long lines+ wrapped = concat . map (chunk w) . map processNull . sepBy "\n"++ processNull "" = replicate w ' '+ processNull s = s+ w = fromIntegral (region_width rgn)+ h = fromIntegral (region_height rgn)++---+doLong s w =+ let len = length s+ in if len < w+ then s ++ replicate (w-len) ' '+ else s
+ Widgets/Tree.hs view
@@ -0,0 +1,179 @@+{-# LANGUAGE RecordWildCards #-}++-- | Tree.hs+-- Tree widget.+module Widgets.Tree (+ Tree(..),+ NodeData(..),+ defaultTree,+ moveUp,+ moveDn,+ cur+) where++import Prelude hiding (sequence, mapM)+import Control.Monad.State.Lazy hiding (sequence, mapM)+import Data.Traversable (sequence, mapM)+import Data.Tree hiding (Tree)+import Data.Maybe+import Graphics.Vty+import Graphics.Vty.Widgets.Base+++-- | Дерево хранится в виде Forest (NodeData a).+-- Поскольку используется готовое дерево, приходится вручную везде+-- проверять инвариант "если дочерних узлов нет, то узел считается+-- развёрнутым".+data Tree+ = Tree+ { selectedAttr :: Attr+ , nodeAttr :: Attr+ , selectedIndex :: Int+ , windowStart :: Int+ , treeWidth :: Maybe Int+ , treeHeight :: Maybe Int+ , nodes :: Forest NodeData+ }++data NodeData = NodeData {collapsed :: Bool, value :: (String, Value)}+type Value = String++defaultTree tree+ = Tree+ { selectedAttr = def_attr `with_back_color` cyan `with_fore_color` blue+ , nodeAttr = def_attr+ , selectedIndex = 0+ , windowStart = 0+ , treeWidth = Just 30+ , treeHeight = Nothing+ , nodes = tree+ }+++----------------------------------------------------------------------+-- moves+-- TODO: first, end, pageup, pagedn++moveUp t@(Tree {windowStart = ws, selectedIndex = sIx})+ | sIx == ws && ws == 0 = t+ | sIx == ws = t { windowStart = ws-1, selectedIndex = sIx-1 }+ | otherwise = t { selectedIndex = sIx-1 }++moveDn t@(Tree {selectedIndex = sIx})+ | sIx == treeSize - 1 = t+ | otherwise = t { selectedIndex = sIx+1 }+ where+ treeSize = length $ concatMap (flatten . filterVisible) $ nodes t+++----------------------------------------------------------------------+-- collapse/expand++-- | If tree expanded then collapse it, else expand.+collapseOrExpand t+ = if collapsed $ current t then expand t+ else collapse t++-- | Collapse or expand only current node.+collapse t@(Tree {..}) = t {nodes = setCollapsed True selectedIndex nodes}+expand t@(Tree {..}) = t {nodes = setCollapsed False selectedIndex nodes}++-- FIXME: работает совсем неправильно+-- | Collapse current node or if already collapsed then collapse+-- parent.+collapse' t@(Tree {..}) = t+ { selectedIndex = parentIx+ , nodes = setCollapsed True parentIx nodes+ }+ where+ -- ищем узел, который нужно свернуть. Это может быть:+ -- - выбранный узел, если у него есть вложенные узлы и он сам+ -- развёрнут+ -- - иначе, сворачиваем родителя выбранного узла+ parentIx = fst $ foldl getParent1 (0, 0) nodes++ -- для самого верхнего уровня логика немного отличается:+ -- если узел свёрнут или он лист, то ничего не происходит (потому+ -- как родительского узла нет)+ getParent1 (p,ix) n = if ix <= selectedIndex then getParent' (ix,ix) n else (p,ix)+ -- у вложенных узлов всегда есть родитель которого можно свернуть+ getParent2 (p,ix) n = if ix <= selectedIndex then getParent' (p,ix) n else (p,ix)++ getParent' (p,ix) (Node n ns)+ -- если выбран лист дерева или свёрнутый узел, нужно сворачивать+ -- ветку на которой он висит+ -- если выбран развёрнутый узел дерева, значит его самого и+ -- сворачиваем+ | ix == selectedIndex = if null ns || collapsed n then (p,ix+1) else (ix,ix+1)+ -- до выбранного узла ещё не добрались, встретили развёрнутый,+ -- запоминаем его как родительский и заходим внутрь+ | (not.collapsed) n && (not.null) ns = foldl getParent2 (ix,ix+1) ns+ -- встретили лист или свёрнутый узел, проходим мимо+ | otherwise = (p,ix+1)++setCollapsed value nodeIx nodes = evalState (mapM setCollapsed' nodes) 0+ where+ setCollapsed' (Node n ns) = do+ ix <- get+ put $ ix + 1+ if ix == nodeIx+ -- проверяем null ns, чтобы не было крестиков около листьев+ then return $ Node (n {collapsed = value && (not.null) ns}) ns+ else if collapsed n || ix > nodeIx+ then return $ Node n ns+ else Node n `fmap` mapM setCollapsed' ns++{- TODO: сделать monad transformer+appendIndex nodes = evalState (mapM (mapNode index) nodes) 0+ where+ index = getIndex >>= \ix -> put (Index $ ix+1) >> return ix+ noIndex = return $ Index (-1)++ mapNode indexProvider (Node n ns) = do+ ix <- indexProvider+ ns' <- mapM (mapNode $ if collapsed n then noIndex else index) ns+ return $ Node (ix,n) ns'+-}+++----------------------------------------------------------------------+-- rendering++instance Widget Tree where+ growHorizontal t = isNothing (treeWidth t)+ growVertical t = isNothing (treeHeight t)+ primaryAttribute _ = def_attr+ withAttribute w _ = w++ render rgn t@(Tree {..})+ = vert_cat+ $ map (renderNode width nodeAttr) a+ ++ [renderNode width selectedAttr n]+ ++ map (renderNode width nodeAttr) b+ where+ width = maybe (fromIntegral $ region_width rgn) id treeWidth+ height = maybe (fromIntegral $ region_height rgn) id treeHeight+ Tree {windowStart = start} = resize width height t+ (a, n:b) = splitAt (selectedIndex - start) $ window start height t++renderNode width attr (depth, n) = string attr $ take' width ' ' $ fst $ value n++resize _ h t@(Tree {windowStart = ws, selectedIndex = sIx})+ -- current node is out of view => scroll up until it is visible+ | sIx > ws + h - 1 = t { windowStart = sIx - h + 1 }+ -- we have free space after last node => scroll down to fill it+ | wl < h = t { windowStart = max 0 $ ws - (h - wl) }+ | otherwise = t+ where+ wl = length $ window ws h t+++---+cur = snd . value . current+current t = (concatMap flatten $ map filterVisible $ nodes t) !! selectedIndex t+window start sz = take sz . drop start . concatMap (flatten . appendDepths 0 . filterVisible) . nodes+appendDepths d (Node n ns) = Node (d,n) $ map (appendDepths (d+1)) ns+filterVisible (Node n ns) = Node n $ if collapsed n then [] else map filterVisible ns+take' n add lst = if length lst < n+ then lst ++ replicate (n - length lst) add+ else take n lst
+ debug.sh view
@@ -0,0 +1,3 @@+#!/bin/sh++runghc Main.hs $*
+ matsuri.cabal view
@@ -0,0 +1,27 @@+Name: matsuri+Version: 0.0.1+Category: Network+License: GPL+License-File: LICENSE+Author: Kagami <newanon@yandex.ru>,+ Grigory Holomiev <omever@gmail.com>,+ Maxim Taldykin <jorpic@gmail.com>+Maintainer: newanon@yandex.ru+Homepage: http://kagami.touhou.ru/projects/show/matsuri+Build-Type: Simple+Cabal-Version: >=1.2+Description: ncurses XMPP client. Read README file before use.++Data-Files: README, matsurirc.example+Extra-Source-Files: debug.sh++Executable matsuri+ Main-Is: Main.hs++ Other-Modules: Buffers, Config, Help, Jabber, UI, Utils,+ Widgets.EditBox, Widgets.PrettyBorders,+ Widgets.TextBox, Widgets.Tree++ Build-Depends: base >= 4 && < 5, vty >= 4, vty-ui >= 0.2,+ containers, mtl, network, split, directory,+ ConfigFile, XMPP==0.0.4, time, old-locale
+ matsurirc.example view
@@ -0,0 +1,9 @@+[main]+version = 0.0.1++[account_test]+username = test_username+server = jabber.ru+password = pass+resource = matsuri+nick = test_nick