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XMonad
Actions
AfterDrag.hs
BluetileCommands.hs
Commands.hs
ConstrainedResize.hs
CopyWindow.hs
CycleRecentWS.hs
CycleSelectedLayouts.hs
CycleWS.hs
CycleWindows.hs
CycleWorkspaceByScreen.hs
DeManage.hs
DwmPromote.hs
DynamicProjects.hs
DynamicWorkspaceGroups.hs
DynamicWorkspaceOrder.hs
DynamicWorkspaces.hs
FindEmptyWorkspace.hs
FlexibleManipulate.hs
FlexibleResize.hs
FloatKeys.hs
FloatSnap.hs
FocusNth.hs
GridSelect.hs
GroupNavigation.hs
KeyRemap.hs
Launcher.hs
LinkWorkspaces.hs
MessageFeedback.hs
Minimize.hs
MouseGestures.hs
MouseResize.hs
Navigation2D.hs
NoBorders.hs
OnScreen.hs
PerWorkspaceKeys.hs
PhysicalScreens.hs
Plane.hs
Promote.hs
RandomBackground.hs
RotSlaves.hs
Search.hs
ShowText.hs
SimpleDate.hs
SinkAll.hs
SpawnOn.hs
Submap.hs
SwapPromote.hs
SwapWorkspaces.hs
TagWindows.hs
TopicSpace.hs
TreeSelect.hs
UpdateFocus.hs
UpdatePointer.hs
Warp.hs
WindowBringer.hs
WindowGo.hs
WindowMenu.hs
WindowNavigation.hs
WithAll.hs
Workscreen.hs
WorkspaceCursors.hs
WorkspaceNames.hs
Config
Doc
Hooks
Layout
Prompt
Util
Doc.hs
Prompt.hs
scripts
tests
.gitignore
.mailmap
.travis.yml
CHANGES.md
LICENSE
README.md
Setup.lhs
cabal.project
stack.yaml
xmonad-contrib.cabal
xmonad-contrib/XMonad/Actions/UpdateFocus.hs
2013-05-28 00:58:25 +00:00

61 lines
2.1 KiB
Haskell

-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Actions.UpdateFocus
-- Copyright : (c) Daniel Schoepe
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : Daniel Schoepe <asgaroth_@gmx.de>
-- Stability : unstable
-- Portability : unportable
--
-- Updates the focus on mouse move in unfocused windows.
--
-----------------------------------------------------------------------------
module XMonad.Actions.UpdateFocus (
-- * Usage
-- $usage
focusOnMouseMove,
adjustEventInput
) where
import XMonad
import qualified XMonad.StackSet as W
import Control.Monad (when)
import Data.Monoid
-- $usage
-- To make the focus update on mouse movement within an unfocused window, add the
-- following to your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Actions.UpdateFocus
-- > xmonad $ def {
-- > ..
-- > startupHook = adjustEventInput
-- > handleEventHook = focusOnMouseMove
-- > ..
-- > }
--
-- This module is probably only useful when focusFollowsMouse is set to True(default).
-- | Changes the focus if the mouse is moved within an unfocused window.
focusOnMouseMove :: Event -> X All
focusOnMouseMove (MotionEvent { ev_x = x, ev_y = y, ev_window = root }) = do
-- check only every 15 px to avoid excessive calls to translateCoordinates
when (x `mod` 15 == 0 || y `mod` 15 == 0) $ do
dpy <- asks display
foc <- withWindowSet $ return . W.peek
-- get the window under the pointer:
(_,_,_,w) <- io $ translateCoordinates dpy root root (fromIntegral x) (fromIntegral y)
when (foc /= Just w) $ focus w
return (All True)
focusOnMouseMove _ = return (All True)
-- | Adjusts the event mask to pick up pointer movements.
adjustEventInput :: X ()
adjustEventInput = withDisplay $ \dpy -> do
rootw <- asks theRoot
io $ selectInput dpy rootw $ substructureRedirectMask .|. substructureNotifyMask
.|. enterWindowMask .|. leaveWindowMask .|. structureNotifyMask
.|. buttonPressMask .|. pointerMotionMask