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added mirrorLayout to mirror arbitrary layouts

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This commit is contained in:
Jason Creighton
2007-05-04 01:46:53 +00:00
parent a5e0e2458d
commit 7a89f431b1
2 changed files with 11 additions and 18 deletions
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19
Operations.hs
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@@ -82,13 +82,15 @@ tile r (Rectangle sx sy sw sh) (w:s)
rh = fromIntegral sh `div` fromIntegral (length s)
f i a = (a, Rectangle (sx + lw) i rw (fromIntegral rh))
-- | vtile. Tile vertically.
vtile :: Rational -> Rectangle -> [Window] -> [(Window, Rectangle)]
vtile r rect = map (second flipRect) . tile r (flipRect rect)
-- | Mirror a rectangle
mirrorRect :: Rectangle -> Rectangle
mirrorRect (Rectangle rx ry rw rh) = (Rectangle ry rx rh rw)
-- | Flip rectangles around
flipRect :: Rectangle -> Rectangle
flipRect (Rectangle rx ry rw rh) = (Rectangle ry rx rh rw)
-- | Mirror a layout
mirrorLayout :: Layout -> Layout
mirrorLayout (Layout { doLayout = dl, modifyLayout = ml })
= Layout { doLayout = (\sc ws -> map (second mirrorRect) $ dl (mirrorRect sc) ws)
, modifyLayout = fmap mirrorLayout . ml }
-- | switchLayout. Switch to another layout scheme. Switches the
-- current workspace. By convention, a window set as master in Tall mode
@@ -114,10 +116,7 @@ tall delta tileFrac = Layout { doLayout = \sc -> tile tileFrac sc
where m Shrink = tall delta (tileFrac-delta)
m Expand = tall delta (tileFrac+delta)
wide delta tileFrac = Layout { doLayout = \sc -> vtile tileFrac sc
, modifyLayout = (fmap m) . fromDynamic }
where m Shrink = wide delta (tileFrac-delta)
m Expand = wide delta (tileFrac+delta)
wide delta tileFrac = mirrorLayout (tall delta tileFrac)
-- | layout. Modify the current workspace's layout with a pure
-- function and refresh.