mirror of
https://github.com/elkowar/dots-of-war.git
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88 lines
2.9 KiB
Haskell
88 lines
2.9 KiB
Haskell
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{-# LANGUAGE TypeSynonymInstances, MultiParamTypeClasses, ScopedTypeVariables #-}
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module FancyBorders
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( FancyBordersTheme(..)
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, FancyBorders
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, fancyBorders
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, defaultFancyBorders
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, defaultFancyTheme
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)
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where
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import XMonad
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import XMonad.Layout.LayoutModifier
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defaultFancyTheme :: FancyBordersTheme
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defaultFancyTheme = FancyBordersTheme "#303030" 1
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data FancyBordersTheme = FancyBordersTheme {
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outerColor :: String,
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intBorderWidth:: Integer
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} deriving (Show, Read)
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newtype FancyBorders a = FancyBorders FancyBordersTheme
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deriving (Show, Read)
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instance LayoutModifier FancyBorders Window where
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handleMess (FancyBorders cfg) m
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| Just (_ :: Event) <- fromMessage m = withFocused (drawFocusedWindow cfg)
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>> return Nothing
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| otherwise = return Nothing
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redoLayout (FancyBorders cfg) _ _ wrs = do
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mapM_ (flip (drawFancyBorder cfg) False) wrs
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return (wrs, Nothing)
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defaultFancyBorders :: l a -> ModifiedLayout FancyBorders l a
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defaultFancyBorders = ModifiedLayout (FancyBorders defaultFancyTheme)
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fancyBorders :: FancyBordersTheme -> l a -> ModifiedLayout FancyBorders l a
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fancyBorders t = ModifiedLayout (FancyBorders t)
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drawFocusedWindow :: FancyBordersTheme -> Window -> X ()
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drawFocusedWindow cfg win = do
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dpy <- asks display
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bw <- asks (borderWidth . config)
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(_, x, y, w, h, _, _) <- io $ getGeometry dpy win
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drawFancyBorder cfg (win, Rectangle x y (w + 2 * bw) (h + 2 * bw)) True
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drawFancyBorder :: FancyBordersTheme -> (Window, Rectangle) -> Bool -> X ()
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drawFancyBorder cfg (win, rect) active = do
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bw <- asks (borderWidth . config)
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dpy <- asks display
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nbc <- asks normalBorder
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fbc <- asks focusedBorder
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let w = rect_width rect - 2 * bw
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h = rect_height rect - 2 * bw
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fw = rect_width rect
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fh = rect_height rect
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ibw' = fromIntegral $ intBorderWidth cfg
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ibw = if ibw' >= bw then 1 else ibw'
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rects =
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[ Rectangle (fromIntegral w) 0 ibw (h + ibw)
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, Rectangle (fromIntegral fw - fromIntegral ibw) 0 ibw (h + ibw)
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, Rectangle 0 (fromIntegral h) (w + ibw) ibw
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, Rectangle 0 (fromIntegral fh - fromIntegral ibw) (w + ibw) ibw
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, Rectangle (fromIntegral fw - fromIntegral ibw)
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(fromIntegral fh - fromIntegral ibw)
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ibw
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ibw
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]
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io $ do
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pix <- createPixmap dpy win fw fh 24
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gc <- createGC dpy win
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(Just outerPixel) <- io $ initColor dpy $ outerColor cfg
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-- outer border
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setForeground dpy gc outerPixel
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fillRectangle dpy pix gc 0 0 fw fh
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-- inner border
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setForeground dpy gc $ if active then fbc else nbc
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io $ fillRectangles dpy pix gc rects
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setWindowBorderPixmap dpy win pix
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freeGC dpy gc
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freePixmap dpy pix
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