diff options
Diffstat (limited to 'XMonad/Actions')
| -rw-r--r-- | XMonad/Actions/UpdatePointer.hs | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/XMonad/Actions/UpdatePointer.hs b/XMonad/Actions/UpdatePointer.hs index 9360fde..1caf3c2 100644 --- a/XMonad/Actions/UpdatePointer.hs +++ b/XMonad/Actions/UpdatePointer.hs @@ -25,7 +25,7 @@ module XMonad.Actions.UpdatePointer import XMonad import Control.Monad -import XMonad.StackSet (member) +import XMonad.StackSet (member, peek, screenDetail, current) -- $usage -- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@: @@ -53,40 +53,49 @@ import XMonad.StackSet (member) data PointerPosition = Nearest | Relative Rational Rational -- | Update the pointer's location to the currently focused --- window unless it's already there, or unless the user was changing +-- window or empty screen unless it's already there, or unless the user was changing -- focus with the mouse updatePointer :: PointerPosition -> X () -updatePointer p = withFocused $ \w -> do +updatePointer p = do ws <- gets windowset dpy <- asks display + rect <- case peek ws of + Nothing -> return $ (screenRect . screenDetail .current) ws + Just w -> windowAttributesToRectangle `fmap` io (getWindowAttributes dpy w) root <- asks theRoot mouseIsMoving <- asks mouseFocused - wa <- io $ getWindowAttributes dpy w (_sameRoot,_,currentWindow,rootx,rooty,_,_,_) <- io $ queryPointer dpy root - unless (pointWithinRegion rootx rooty (wa_x wa) (wa_y wa) (wa_width wa) (wa_height wa) + unless (pointWithin (fi rootx) (fi rooty) rect || mouseIsMoving - || not (currentWindow `member` ws)) $ + || not (currentWindow `member` ws || currentWindow == none)) $ case p of Nearest -> do - let x = moveWithin rootx (wa_x wa) ((wa_x wa) + (wa_width wa)) - let y = moveWithin rooty (wa_y wa) ((wa_y wa) + (wa_height wa)) - io $ warpPointer dpy none root 0 0 0 0 (fromIntegral x) (fromIntegral y) + let x = moveWithin (fi rootx) (rect_x rect) (fi (rect_x rect) + fi (rect_width rect)) + y = moveWithin (fi rooty) (rect_y rect) (fi (rect_y rect) + fi (rect_height rect)) + io $ warpPointer dpy none root 0 0 0 0 x y Relative h v -> - io $ warpPointer dpy none w 0 0 0 0 - (fraction h (wa_width wa)) (fraction v (wa_height wa)) + io $ warpPointer dpy none root 0 0 0 0 + (rect_x rect + fraction h (rect_width rect)) + (rect_y rect + fraction v (rect_height rect)) where fraction x y = floor (x * fromIntegral y) -moveWithin :: Integral a => a -> a -> a -> a -moveWithin current lower upper = - if current < lower +windowAttributesToRectangle :: WindowAttributes -> Rectangle +windowAttributesToRectangle wa = Rectangle (fi (wa_x wa)) (fi (wa_y wa)) + (fi (wa_width wa)) (fi (wa_height wa)) +moveWithin :: Ord a => a -> a -> a -> a +moveWithin now lower upper = + if now < lower then lower - else if current > upper + else if now > upper then upper - else current + else now + +pointWithin :: Position -> Position -> Rectangle -> Bool +pointWithin x y r = x >= rect_x r && + x < rect_x r + fi (rect_width r) && + y >= rect_y r && + y < rect_y r + fi (rect_height r) + +fi :: (Num b, Integral a) => a -> b +fi = fromIntegral --- Test that a point resides within a region. --- This belongs somewhere more generally accessible than this module. -pointWithinRegion :: Integral a => a -> a -> a -> a -> a -> a -> Bool -pointWithinRegion px py rx ry rw rh = - within px rx (rx + rw) && within py ry (ry + rh) - where within x left right = x >= left && x <= right |