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| -rw-r--r-- | FlexibleResize.hs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/FlexibleResize.hs b/FlexibleResize.hs new file mode 100644 index 0000000..9d5d098 --- /dev/null +++ b/FlexibleResize.hs @@ -0,0 +1,63 @@ +----------------------------------------------------------------------------- +-- | +-- Module : XMonadContrib.FlexibleResize +-- Copyright : (c) Lukas Mai +-- License : BSD3-style (see LICENSE) +-- +-- Maintainer : <l.mai@web.de> +-- Stability : unstable +-- Portability : unportable +-- +-- Lets you resize floating windows from any corner. +-- +----------------------------------------------------------------------------- + +module XMonadContrib.FlexibleResize ( + -- * Usage + -- $usage + XMonadContrib.FlexibleResize.mouseResizeWindow +) where + +import XMonad +import Operations +import Graphics.X11.Xlib +import Graphics.X11.Xlib.Extras +import Foreign.C.Types + +-- $usage +-- Put something like this in your Config.hs file: +-- +-- > import qualified XMonadContrib.FlexibleResize as Flex +-- > mouseBindings = M.fromList +-- > [ ... +-- > , ((modMask, button3), (\w -> focus w >> Flex.mouseResizeWindow w)) ] + +mouseResizeWindow :: Window -> X () +mouseResizeWindow w = whenX (isClient w) $ withDisplay $ \d -> do + io $ raiseWindow d w + wa <- io $ getWindowAttributes d w + sh <- io $ getWMNormalHints d w + (_, _, _, _, _, ix, iy, _) <- io $ queryPointer d w + let + [pos_x, pos_y, width, height] = map (fromIntegral . ($ wa)) [wa_x, wa_y, wa_width, wa_height] + west = firstHalf ix width + north = firstHalf iy height + (cx, fx, gx) = mkSel west width pos_x + (cy, fy, gy) = mkSel north height pos_y + io $ warpPointer d none w 0 0 0 0 cx cy + mouseDrag $ \(_, _, _, ex, ey, _, _, _, _, _) -> do + wa' <- getWindowAttributes d w + let [px, py] = map (fromIntegral . ($ wa')) [wa_x, wa_y] + moveResizeWindow d w (fromIntegral $ fx px ex) (fromIntegral $ fy py ey) + `uncurry` applySizeHints sh (gx ex, gy ey) + float w + where + firstHalf :: CInt -> Position -> Bool + firstHalf a b = fromIntegral a * 2 <= b + cfst = curry fst + csnd = curry snd + mkSel :: Bool -> Position -> Position -> (Position, a -> a -> a, CInt -> Dimension) + mkSel b k p = + if b + then (0, csnd, fromIntegral . max 1 . ((k + p) -) . fromIntegral) + else (k, cfst, fromIntegral . max 1 . subtract p . fromIntegral) |