diff options
Diffstat (limited to 'src/XMonad/Actions/FloatSnapSpaced.hs')
| -rw-r--r-- | src/XMonad/Actions/FloatSnapSpaced.hs | 221 |
1 files changed, 129 insertions, 92 deletions
diff --git a/src/XMonad/Actions/FloatSnapSpaced.hs b/src/XMonad/Actions/FloatSnapSpaced.hs index f43558a..ad14016 100644 --- a/src/XMonad/Actions/FloatSnapSpaced.hs +++ b/src/XMonad/Actions/FloatSnapSpaced.hs @@ -8,110 +8,147 @@ -- module XMonad.Actions.FloatSnapSpaced - ( snapSpacedMagicMove - ) where + ( snapSpacedMagicMove + ) where import Data.List import Data.Maybe -import Data.Set (fromList) +import Data.Set ( fromList ) import XMonad import XMonad.Hooks.ManageDocks -import qualified XMonad.StackSet as S +import qualified XMonad.StackSet as S snapSpacedMagicMove :: Int -> Maybe Int -> Maybe Int -> Window -> X () -snapSpacedMagicMove spacing collidedist snapdist w = whenX (isClient w) $ withDisplay $ \d -> do +snapSpacedMagicMove spacing collidedist snapdist w = + whenX (isClient w) $ withDisplay $ \d -> do io $ raiseWindow d w wa <- io $ getWindowAttributes d w - nx <- handleAxis True d wa + nx <- handleAxis True d wa ny <- handleAxis False d wa io $ moveWindow d w (fromIntegral nx) (fromIntegral ny) float w - where - handleAxis horiz d wa = do - ((mbl, mbr, bs), (mfl, mfr, fs)) <- getSnap horiz collidedist d w - return $ if bs || fs - then wpos wa - else let b = case (mbl, mbr) of - (Just bl, Just br) -> if wpos wa - bl < br - wpos wa - then bl + spacing - else br + spacing - (Just bl, Nothing) -> bl + spacing - (Nothing, Just br) -> br + spacing - (Nothing, Nothing) -> wpos wa + spacing - - f = case (mfl, mfr) of - (Just fl, Just fr) -> if wpos wa + wdim wa - fl < fr - wpos wa - wdim wa - then fl - spacing - else fr - spacing - (Just fl, Nothing) -> fl - spacing - (Nothing, Just fr) -> fr - spacing - (Nothing, Nothing) -> wpos wa - spacing - - newpos = if abs (b - wpos wa) <= abs (f - wpos wa - wdim wa) - then b - else f - wdim wa - - in if isNothing snapdist || abs (newpos - wpos wa) <= fromJust snapdist - then newpos - else wpos wa - where - (wpos, wdim, _, _) = constructors horiz - -getSnap :: Bool -> Maybe Int -> Display -> Window -> X ((Maybe Int, Maybe Int, Bool), (Maybe Int, Maybe Int, Bool)) + where + handleAxis horiz d wa = do + ((mbl, mbr, bs), (mfl, mfr, fs)) <- getSnap horiz collidedist d w + return $ if bs || fs + then wpos wa + else + let + b = case (mbl, mbr) of + (Just bl, Just br) -> + if wpos wa - bl < br - wpos wa then bl + spacing else br + spacing + (Just bl, Nothing) -> bl + spacing + (Nothing, Just br) -> br + spacing + (Nothing, Nothing) -> wpos wa + spacing + + f = case (mfl, mfr) of + (Just fl, Just fr) -> + if wpos wa + wdim wa - fl < fr - wpos wa - wdim wa + then fl - spacing + else fr - spacing + (Just fl, Nothing) -> fl - spacing + (Nothing, Just fr) -> fr - spacing + (Nothing, Nothing) -> wpos wa - spacing + + newpos = if abs (b - wpos wa) <= abs (f - wpos wa - wdim wa) + then b + else f - wdim wa + in + if isNothing snapdist || abs (newpos - wpos wa) <= fromJust snapdist + then newpos + else wpos wa + where (wpos, wdim, _, _) = constructors horiz + +getSnap + :: Bool + -> Maybe Int + -> Display + -> Window + -> X ((Maybe Int, Maybe Int, Bool), (Maybe Int, Maybe Int, Bool)) getSnap horiz collidedist d w = do - wa <- io $ getWindowAttributes d w - screen <- S.current <$> gets windowset - let sr = screenRect $ S.screenDetail screen - wl = S.integrate' . S.stack $ S.workspace screen - gr <- fmap ($ sr) $ calcGap $ fromList [minBound .. maxBound] - wla <- filter (collides wa) <$> io (mapM (getWindowAttributes d) $ filter (/= w) wl) - - return ( neighbours (back wa sr gr wla) (wpos wa) - , neighbours (front wa sr gr wla) (wpos wa + wdim wa) - ) - where - wborder = fromIntegral.wa_border_width - - (wpos, wdim, rpos, rdim) = constructors horiz - (refwpos, refwdim, _, _) = constructors $ not horiz - - back wa sr gr wla = dropWhile (< rpos sr) - $ takeWhile (< rpos sr + rdim sr) - $ sort - $ rpos sr : - rpos gr : - (rpos gr + rdim gr) : - foldr (\a as -> wpos a : (wpos a + wdim a + wborder a + wborder wa) : as) [] wla - - front wa sr gr wla = dropWhile (<= rpos sr) - $ takeWhile (<= rpos sr + rdim sr) - $ sort - $ (rpos gr - 2 * wborder wa) : - (rpos gr + rdim gr - 2 * wborder wa) : - (rpos sr + rdim sr - 2 * wborder wa) : - foldr (\a as -> (wpos a - wborder a - wborder wa) : (wpos a + wdim a) : as) [] wla - - neighbours l v = ( listToMaybe $ reverse $ takeWhile (< v) l - , listToMaybe $ dropWhile (<= v) l - , v `elem` l - ) - - collides wa oa = case collidedist of - Nothing -> True - Just dist -> refwpos oa - wborder oa < refwpos wa + refwdim wa + wborder wa + dist - && refwpos wa - wborder wa - dist < refwpos oa + refwdim oa + wborder oa - - -constructors :: Bool -> (WindowAttributes -> Int, WindowAttributes -> Int, Rectangle -> Int, Rectangle -> Int) -constructors True = ( fromIntegral.wa_x - , fromIntegral.wa_width - , fromIntegral.rect_x - , fromIntegral.rect_width - ) -constructors False = ( fromIntegral.wa_y - , fromIntegral.wa_height - , fromIntegral.rect_y - , fromIntegral.rect_height - ) + wa <- io $ getWindowAttributes d w + screen <- S.current <$> gets windowset + let sr = screenRect $ S.screenDetail screen + wl = S.integrate' . S.stack $ S.workspace screen + gr <- fmap ($ sr) $ calcGap $ fromList [minBound .. maxBound] + wla <- filter (collides wa) + <$> io (mapM (getWindowAttributes d) $ filter (/= w) wl) + + return + ( neighbours (back wa sr gr wla) (wpos wa) + , neighbours (front wa sr gr wla) (wpos wa + wdim wa) + ) + where + wborder = fromIntegral . wa_border_width + + (wpos , wdim , rpos, rdim) = constructors horiz + (refwpos, refwdim, _ , _ ) = constructors $ not horiz + + back wa sr gr wla = + dropWhile (< rpos sr) + $ takeWhile (< rpos sr + rdim sr) + $ sort + $ rpos sr + : rpos gr + : (rpos gr + rdim gr) + : foldr + (\a as -> wpos a : (wpos a + wdim a + wborder a + wborder wa) : as) + [] + wla + + front wa sr gr wla = + dropWhile (<= rpos sr) + $ takeWhile (<= rpos sr + rdim sr) + $ sort + $ (rpos gr - 2 * wborder wa) + : (rpos gr + rdim gr - 2 * wborder wa) + : (rpos sr + rdim sr - 2 * wborder wa) + : foldr + (\a as -> (wpos a - wborder a - wborder wa) : (wpos a + wdim a) : as) + [] + wla + + neighbours l v = + ( listToMaybe $ reverse $ takeWhile (< v) l + , listToMaybe $ dropWhile (<= v) l + , v `elem` l + ) + + collides wa oa = case collidedist of + Nothing -> True + Just dist -> + refwpos oa + - wborder oa + < refwpos wa + + refwdim wa + + wborder wa + + dist + && refwpos wa + - wborder wa + - dist + < refwpos oa + + refwdim oa + + wborder oa + + +constructors + :: Bool + -> ( WindowAttributes -> Int + , WindowAttributes -> Int + , Rectangle -> Int + , Rectangle -> Int + ) +constructors True = + ( fromIntegral . wa_x + , fromIntegral . wa_width + , fromIntegral . rect_x + , fromIntegral . rect_width + ) +constructors False = + ( fromIntegral . wa_y + , fromIntegral . wa_height + , fromIntegral . rect_y + , fromIntegral . rect_height + ) |