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drawString :: DrawingArea -> RGB -> Coordinate -> String -> IO () | |
drawString drawArea (r, g, b) (x, y) str = do | |
drawWin <- widgetGetDrawWindow drawArea | |
let gcVal = newGCValues {foreground = Color r g b} | |
gc <- gcNewWithValues drawWin gcVal | |
layout <- widgetCreateLayout drawArea str | |
layoutSetText layout str | |
layoutSetWrap layout WrapWholeWords | |
layoutSetWidth layout . Just $ 300 | |
lineCount <- layoutGetLineCount layout |
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-- タイムラインのフィールドにデータを描画 | |
drawTimelineData :: GUI -> [Tweet] -> IO () | |
drawTimelineData gui tweets = do | |
let home = homeTimeline gui | |
field = timelineField home | |
tlText = foldl (\s -> \t -> s ++ (show t) ++ "\n") "" tweets | |
-- 描画イベントを発生させる | |
GUI.drawString field (0, 0, 0) (0, 0) tlText | |
return () |
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drawString :: DrawingArea -> DrawWindow -> RGB -> Coordinate -> String -> IO () | |
drawString drawArea drawWin (r, g, b) (x, y) str = do | |
let gcVal = newGCValues {foreground = Color r g b} | |
gc <- gcNewWithValues drawWin gcVal | |
layout <- widgetCreateLayout drawArea str | |
layoutSetText layout str | |
layoutSetWrap layout WrapWholeWords | |
layoutSetWidth layout . Just $ 300 | |
lineCount <- layoutGetLineCount layout | |
widgetSetSizeRequest drawArea 300 1000 |
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{-# LANGUAGE TemplateHaskell, QuasiQuotes #-} | |
module THUtility where | |
import Language.Haskell.TH | |
import Control.Monad | |
import Control.Applicative | |
mapT :: Int -> ExpQ -> ExpQ | |
mapT count f = do | |
vars <- replicateM count $ newName "x" | |
lamE [tupP $ map varP vars] (tupE $ map (appE f . varE) vars) |
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{-# LANGUAGE TemplateHaskell, QuasiQuotes #-} | |
import Language.Haskell.TH | |
import Control.Monad | |
mapT :: Int -> ExpQ -> ExpQ | |
mapT count f = do | |
vars <- replicateM count $ newName "x" | |
lamE [tupP $ map varP vars] (tupE $ map (appE f . varE) vars) |
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{-# LANGUAGE TemplateHaskell, QuasiQuotes #-} | |
import Language.Haskell.TH | |
import Control.Monad | |
import Control.Applicative | |
mapMT :: Int -> ExpQ -> ExpQ | |
mapMT count f = do | |
vars <- replicateM count $ newName "x" | |
let ops = '(<$>):repeat '(<*>) | |
lamE [tupP $ map varP vars] $ foldl (\x -> \(op, y) -> (appE (appE (varE op) x) (appE f (varE y)))) (conE $ tupleDataName count) (zip ops vars) |
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{-# LANGUAGE TemplateHaskell, QuasiQuotes, NoMonomorphismRestriction #-} | |
module THUtility where | |
import Language.Haskell.TH | |
import Control.Monad | |
import Data.IORef | |
import Graphics.UI.Gtk hiding (add) | |
import Graphics.Rendering.Cairo | |
import Graphics.UI.Gtk.Gdk.GC | |
import Graphics.UI.Gtk.Glade | |
import Control.Applicative |
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-- GUILibrary.hs | |
-- アイコン画像を取得 | |
getIcon :: String -> IO String | |
getIcon url = do | |
let outFile = "./icon/" ++ urlEncode url | |
fileExist <- doesFileExist outFile | |
if fileExist | |
then return outFile | |
else do | |
let request = defaultGETRequest $ fromJust $ parseURI url |
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-- GUILibrary.hs | |
-- アイコン画像を取得 | |
getIcon :: String -> IO String | |
getIcon url = do | |
let outFile = "./icon/" ++ urlEncode url | |
fileExist <- doesFileExist outFile | |
if fileExist | |
then return outFile | |
else do | |
let request = defaultGETRequest $ fromJust $ parseURI url |
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> (define $f (lambda [$x $pat] (match-all x (Multiset Integer) [pat m]))) | |
f | |
> (define $pat1 <cons $m <cons ,m _>>) | |
pat1 | |
> (define $pat2 <cons $m <cons ,(- m 1) _>>) | |
pat2 | |
> (define $x {2 3 3 4 5}) | |
x | |
> (test (f x pat1)) | |
{3} |
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