Add WindowPrompt: the XPrompt equivalent of WindowBringer

darcs-hash:20071009164047-32816-eb2389cce3b8f24a12ccbbdd71eb5ad987ac859d.gz

1 files changed, 88 insertions, 0 deletions

diff --git a/WindowPrompt.hs b/WindowPrompt.hs
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+++ b/WindowPrompt.hs
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+-----------------------------------------------------------------------------
+-- |
+-- Module      :  XMonadContrib.WindowPrompt
+-- Copyright   :  Devin Mullins <me@twifkak.com>
+--                Andrea Rossato <andrea.rossato@unibz.it>
+-- License     :  BSD-style (see LICENSE)
+--
+-- Maintainer  :  Devin  Mullins <me@twifkak.com>
+--                Andrea Rossato <andrea.rossato@unibz.it>
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- xprompt operations to bring windows to you, and bring you to windows.
+--
+-----------------------------------------------------------------------------
+
+module XMonadContrib.WindowPrompt
+    (
+    -- * Usage
+    -- $usage 
+    windowPromptGoto,
+    windowPromptBring
+    ) where
+
+import qualified Data.Map as M
+import Data.List
+
+import qualified StackSet as W
+import XMonad
+import Operations (windows)
+import XMonadContrib.XPrompt
+import XMonadContrib.WindowBringer
+
+-- $usage
+-- WindowPrompt brings windows to you and you to windows.
+-- That is to say, it pops up a dmenu with window names, in case you forgot
+-- where you left your XChat.
+--
+-- Place in your Config.hs:
+--
+-- > import XMonadContrib.XPrompt
+-- > import XMonadContrib.WindowPrompt
+--
+-- and in the keys definition:
+--
+-- > , ((modMask .|. shiftMask, xK_g     ), windowPromptGoto  defaultXPConfig)
+-- > , ((modMask .|. shiftMask, xK_g     ), windowPromptBring defaultXPConfig)
+--
+-- %import XMonadContrib.XPrompt
+-- %import XMonadContrib.WindowPrompt
+-- %keybind ((modMask .|. shiftMask, xK_g     ), windowPromptGoto  defaultXPConfig)
+-- %keybind ((modMask .|. shiftMask, xK_g     ), windowPromptBring defaultXPConfig)
+
+data WindowPrompt = Goto | Bring
+instance XPrompt WindowPrompt where 
+    showXPrompt Goto  = "Go to window:  "
+    showXPrompt Bring = "Bring me here:  "
+
+windowPromptGoto, windowPromptBring :: XPConfig -> X ()
+windowPromptGoto  c = doPrompt Goto  c
+windowPromptBring c = doPrompt Bring c
+
+-- | Pops open a prompt with window titles. Choose one, and you will be
+-- taken to the corresponding workspace.
+doPrompt :: WindowPrompt -> XPConfig -> X ()
+doPrompt t c = do
+  a <- case t of
+         Goto  -> return . gotoAction  =<< windowMapWith (W.tag . fst)                     
+         Bring -> return . bringAction =<< windowMapWith snd
+  wm <- windowMapWith id
+  mkXPrompt t c (compList wm) a
+
+    where
+
+      winAction a m    = flip whenJust (windows . a) . flip M.lookup m . unescape   
+      gotoAction       = winAction W.greedyView
+      bringAction      = winAction bringWindow
+      bringWindow w ws = W.shiftWin (W.tag . W.workspace . W.current $ ws) w ws
+
+      compList m s = return . filter (isPrefixOf s) . map (escape . fst) . M.toList $ m
+
+      escape []       = []
+      escape (' ':xs) = "\\ " ++ escape xs
+      escape (x  :xs) = x : escape xs
+
+      unescape []            = []
+      unescape ('\\':' ':xs) = ' ' : unescape xs
+      unescape (x:xs)        = x   : unescape xs