From 4866f2e367dfcf22a9591231ba40948826a1b438 Mon Sep 17 00:00:00 2001
From: Spencer Janssen <sjanssen@cse.unl.edu>
Date: Thu, 1 Nov 2007 21:10:59 +0100
Subject: Hierarchify

darcs-hash:20071101201059-a5988-fc1f1262bec1b69e13ba18ae7cefeafc8c4471d4.gz
---
 XMonad/Actions/WindowBringer.hs | 84 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 XMonad/Actions/WindowBringer.hs

(limited to 'XMonad/Actions/WindowBringer.hs')

diff --git a/XMonad/Actions/WindowBringer.hs b/XMonad/Actions/WindowBringer.hs
new file mode 100644
index 0000000..bec4f0a
--- /dev/null
+++ b/XMonad/Actions/WindowBringer.hs
@@ -0,0 +1,84 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  XMonad.Actions.WindowBringer
+-- Copyright   :  Devin Mullins <me@twifkak.com>
+-- License     :  BSD-style (see LICENSE)
+--
+-- Maintainer  :  Devin Mullins <me@twifkak.com>
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- dmenu operations to bring windows to you, and bring you to windows.
+-- That is to say, it pops up a dmenu with window names, in case you forgot
+-- where you left your XChat.
+--
+-----------------------------------------------------------------------------
+
+module XMonad.Actions.WindowBringer (
+                                    -- * Usage
+                                    -- $usage
+                                    gotoMenu, bringMenu, windowMapWith
+                                   ) where
+
+import Control.Monad.State (gets)
+import Data.Char (toLower)
+import qualified Data.Map as M
+import Graphics.X11.Xlib (Window())
+
+import XMonad.Operations (windows)
+import qualified XMonad.StackSet as W
+import XMonad (X)
+import qualified XMonad as X
+import XMonad.Util.Dmenu (dmenuMap)
+import XMonad.Util.NamedWindows (getName)
+
+-- $usage
+--
+-- Place in your Config.hs:
+--
+-- > import XMonad.Actions.WindowBringer
+--
+-- and in the keys definition:
+--
+-- > , ((modMask .|. shiftMask, xK_g     ), gotoMenu)
+-- > , ((modMask .|. shiftMask, xK_b     ), bringMenu)
+
+-- %import XMonad.Actions.WindowBringer
+-- %keybind , ((modMask .|. shiftMask, xK_g     ), gotoMenu)
+-- %keybind , ((modMask .|. shiftMask, xK_b     ), bringMenu)
+
+-- | Pops open a dmenu with window titles. Choose one, and you will be
+--   taken to the corresponding workspace.
+gotoMenu :: X ()
+gotoMenu = workspaceMap >>= actionMenu (windows . W.greedyView)
+ where workspaceMap = windowMapWith (W.tag . fst)
+
+-- | Pops open a dmenu with window titles. Choose one, and it will be
+--   dragged, kicking and screaming, into your current workspace.
+bringMenu :: X ()
+bringMenu = windowMap >>= actionMenu (windows . bringWindow)
+ where windowMap = windowMapWith snd
+       bringWindow w ws = W.shiftWin (W.tag . W.workspace . W.current $ ws) w ws
+
+-- | Calls dmenuMap to grab the appropriate element from the Map, and hands it
+--   off to action if found.
+actionMenu :: (a -> X ()) -> M.Map String a -> X ()
+actionMenu action windowMap = dmenuMap windowMap >>= flip X.whenJust action
+
+-- | Generates a Map from window name to <whatever you specify>. For use with
+--   dmenuMap.
+windowMapWith :: ((X.WindowSpace, Window) -> a) -> X (M.Map String a)
+windowMapWith value = do -- TODO: extract the pure, creamy center.
+  ws <- gets X.windowset
+  M.fromList `fmap` concat `fmap` mapM keyValuePairs (W.workspaces ws)
+ where keyValuePairs ws = mapM (keyValuePair ws) $ W.integrate' (W.stack ws)
+       keyValuePair ws w = flip (,) (value (ws, w)) `fmap` decorateName ws w
+
+-- | Returns the window name as will be listed in dmenu.
+--   Lowercased, for your convenience (since dmenu is case-sensitive).
+--   Tagged with the workspace ID, to guarantee uniqueness, and to let the user
+--   know where he's going.
+decorateName :: X.WindowSpace -> Window -> X String
+decorateName ws w = do
+  name <- fmap (map toLower . show) $ getName w
+  return $ name ++ " [" ++ W.tag ws ++ "]"
-- 
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