From 9bebda0dc13ee465b9f5ee86fdc6ddc8132598ec Mon Sep 17 00:00:00 2001
From: Andrea Rossato <andrea.rossato@unibz.it>
Date: Sat, 16 Feb 2008 12:41:59 +0100
Subject: Prompt.Theme: display all theme information and handle completion
 accordingly

darcs-hash:20080216114159-32816-3a53fcae3f880fcd243f0ed2f967dc0f5a506068.gz
---
 XMonad/Prompt/Theme.hs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'XMonad/Prompt/Theme.hs')

diff --git a/XMonad/Prompt/Theme.hs b/XMonad/Prompt/Theme.hs
index a1f25be..cf67a36 100644
--- a/XMonad/Prompt/Theme.hs
+++ b/XMonad/Prompt/Theme.hs
@@ -20,6 +20,7 @@ module XMonad.Prompt.Theme
 import Control.Arrow ( (&&&) )
 import qualified Data.Map as M
 import Data.Maybe ( fromMaybe )
+import Data.List
 import XMonad
 import XMonad.Prompt
 import XMonad.Layout.Decoration
@@ -43,10 +44,15 @@ data ThemePrompt = ThemePrompt
 
 instance XPrompt ThemePrompt where
     showXPrompt ThemePrompt = "Select a theme: "
+    commandToComplete _ c = c
+    nextCompletion _ c l = l !! idx
+        where idx = case c `elemIndex` l of
+                      Just i  -> if i >= length l - 1 then 0 else i + 1
+                      Nothing -> 0
 
 themePrompt :: XPConfig -> X ()
-themePrompt c = mkXPrompt ThemePrompt c (const . return . map themeName $ listOfThemes) changeTheme
+themePrompt c = mkXPrompt ThemePrompt c (const . return . map ppThemeInfo $ listOfThemes) changeTheme
     where changeTheme t = sendMessage . SetTheme . fromMaybe defaultTheme $ M.lookup t mapOfThemes
 
 mapOfThemes :: M.Map String Theme
-mapOfThemes = M.fromList . uncurry zip . (map themeName &&& map theme) $ listOfThemes
+mapOfThemes = M.fromList . uncurry zip . (map ppThemeInfo &&& map theme) $ listOfThemes
-- 
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