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|
{-# LANGUAGE PatternGuards #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Actions.CopyWindow
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- Provides a binding to duplicate a window on multiple workspaces,
-- providing dwm-like tagging functionality.
--
-----------------------------------------------------------------------------
module XMonad.Actions.CopyWindow (
-- * Usage
-- $usage
copy, copyWindow, kill1
) where
import Prelude hiding ( filter )
import qualified Data.List as L
import XMonad hiding (modify)
import XMonad.StackSet
-- $usage
--
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@ file:
--
-- > import XMonad.Actions.CopyWindow
--
-- Then add something like this to your keybindings:
--
-- > -- mod-[1..9] @@ Switch to workspace N
-- > -- mod-shift-[1..9] @@ Move client to workspace N
-- > -- mod-control-shift-[1..9] @@ Copy client to workspace N
-- > [((m .|. modMask x, k), windows $ f i)
-- > | (i, k) <- zip (workspaces x) [xK_1 ..]
-- > , (f, m) <- [(W.view, 0), (W.shift, shiftMask), (copy, shiftMask .|. controlMask)]]
--
-- To use the above key bindings you need also to import
-- "XMonad.StackSet":
--
-- > import qualified XMonad.StackSet as W
--
-- You may also wish to redefine the binding to kill a window so it only
-- removes it from the current workspace, if it's present elsewhere:
--
-- > , ((modMask x .|. shiftMask, xK_c ), kill1) -- @@ Close the focused window
--
-- For detailed instructions on editing your key bindings, see
-- "XMonad.Doc.Extending#Editing_key_bindings".
-- | copy. Copy the focussed window to a new workspace.
copy :: WorkspaceId -> WindowSet -> WindowSet
copy n s | Just w <- peek s = copyWindow w n s
| otherwise = s
-- | copyWindow. Copy a window to a new workspace
copyWindow :: Window -> WorkspaceId -> WindowSet -> WindowSet
copyWindow w n = copy'
where copy' s = if n `tagMember` s
then view (tag (workspace (current s))) $ insertUp' w $ view n s
else s
insertUp' a s = modify (Just $ Stack a [] [])
(\(Stack t l r) -> if a `elem` t:l++r
then Just $ Stack t l r
else Just $ Stack a (L.delete a l) (L.delete a (t:r))) s
-- | Remove the focused window from this workspace. If it's present in no
-- other workspace, then kill it instead. If we do kill it, we'll get a
-- delete notify back from X.
--
-- There are two ways to delete a window. Either just kill it, or if it
-- supports the delete protocol, send a delete event (e.g. firefox)
--
kill1 :: X ()
kill1 = do ss <- gets windowset
whenJust (peek ss) $ \w -> if member w $ delete'' w ss
then windows $ delete'' w
else kill
where delete'' w = modify Nothing (filter (/= w))
|
