1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards, TypeSynonymInstances #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.Tabbed
-- Copyright : (c) 2007 David Roundy, Andrea Rossato
-- License : BSD-style (see xmonad/LICENSE)
--
-- Maintainer : droundy@darcs.net, andrea.rossato@unibz.it
-- Stability : unstable
-- Portability : unportable
--
-- A tabbed layout for the Xmonad Window Manager
--
-----------------------------------------------------------------------------
module XMonadContrib.Tabbed (
-- * Usage:
-- $usage
tabbed
, shrinkText
, TConf (..), defaultTConf
) where
import Control.Monad.State ( gets )
import Control.Monad.Reader
import Data.Maybe
import Data.Bits
import Data.List
import Graphics.X11.Xlib
import Graphics.X11.Xlib.Extras
import XMonad
import Operations
import qualified StackSet as W
import XMonadContrib.NamedWindows
import XMonadContrib.Invisible
import XMonadContrib.XUtils
-- $usage
-- You can use this module with the following in your configuration file:
--
-- > import XMonadContrib.Tabbed
--
-- > layouts :: [Layout Window]
-- > layouts = [ Layout tiled
-- > , Layout $ Mirror tiled
-- > , Layout Full
-- >
-- > -- Extension-provided layouts
-- > , Layout $ tabbed shrinkText defaultTConf
-- > ]
-- >
-- > , ... ]
--
-- You can also edit the default configuration options.
--
-- > myTabConfig = defaultTConf { inactiveBorderColor = "#FF0000"
-- > , activeTextColor = "#00FF00"}
--
-- and
--
-- > layouts = [ ...
-- > , Layout $ tabbed shrinkText myTabConfig ]
-- %import XMonadContrib.Tabbed
-- %layout , tabbed shrinkText defaultTConf
tabbed :: Shrinker -> TConf -> Tabbed a
tabbed s t = Tabbed (I Nothing) (I (Just s)) t
data TConf =
TConf { activeColor :: String
, inactiveColor :: String
, activeBorderColor :: String
, inactiveTextColor :: String
, inactiveBorderColor :: String
, activeTextColor :: String
, fontName :: String
, tabSize :: Int
} deriving (Show, Read)
defaultTConf :: TConf
defaultTConf =
TConf { activeColor = "#999999"
, inactiveColor = "#666666"
, activeBorderColor = "#FFFFFF"
, inactiveBorderColor = "#BBBBBB"
, activeTextColor = "#FFFFFF"
, inactiveTextColor = "#BFBFBF"
, fontName = "-misc-fixed-*-*-*-*-10-*-*-*-*-*-*-*"
, tabSize = 20
}
data TabState =
TabState { tabsWindows :: [(Window,Window)]
, scr :: Rectangle
, fontS :: FontStruct -- FontSet
}
data Tabbed a =
Tabbed (Invisible Maybe TabState) (Invisible Maybe Shrinker) TConf
deriving (Show, Read)
instance LayoutClass Tabbed Window where
doLayout (Tabbed ist ishr conf) = doLay ist ishr conf
handleMessage = handleMess
description _ = "Tabbed"
doLay :: Invisible Maybe TabState -> Invisible Maybe Shrinker -> TConf
-> Rectangle -> W.Stack Window -> X ([(Window, Rectangle)], Maybe (Tabbed Window))
doLay ist ishr c sc (W.Stack w [] []) = do
whenIJust ist $ \st -> mapM_ deleteWindow (map fst $ tabsWindows st)
return ([(w,sc)], Just $ Tabbed (I Nothing) ishr c)
doLay ist ishr conf sc@(Rectangle _ _ wid _) s@(W.Stack w _ _) = do
let ws = W.integrate s
width = wid `div` fromIntegral (length ws)
-- initialize state
st <- case ist of
(I Nothing ) -> initState conf sc ws
(I (Just ts)) -> if map snd (tabsWindows ts) == ws && scr ts == sc
then return ts
else do mapM_ deleteWindow (map fst $ tabsWindows ts)
tws <- createTabs conf sc ws
return (ts {scr = sc, tabsWindows = zip tws ws})
mapM_ showWindow $ map fst $ tabsWindows st
mapM_ (updateTab ishr conf (fontS st) width) $ tabsWindows st
return ([(w,shrink conf sc)], Just (Tabbed (I (Just st)) ishr conf))
handleMess :: Tabbed Window -> SomeMessage -> X (Maybe (Tabbed Window))
handleMess (Tabbed (I (Just st@(TabState {tabsWindows = tws}))) ishr conf) m
| Just e <- fromMessage m :: Maybe Event = handleEvent ishr conf st e >> return Nothing
| Just Hide == fromMessage m = mapM_ hideWindow (map fst tws) >> return Nothing
| Just ReleaseResources == fromMessage m = do mapM_ deleteWindow $ map fst tws
releaseFont (fontS st)
return $ Just $ Tabbed (I Nothing) (I Nothing) conf
handleMess _ _ = return Nothing
handleEvent :: Invisible Maybe Shrinker -> TConf -> TabState -> Event -> X ()
-- button press
handleEvent ishr conf (TabState {tabsWindows = tws, scr = screen, fontS = fs })
(ButtonEvent {ev_window = thisw, ev_subwindow = thisbw, ev_event_type = t })
| t == buttonPress, tl <- map fst tws, thisw `elem` tl || thisbw `elem` tl = do
case lookup thisw tws of
Just x -> do focus x
updateTab ishr conf fs width (thisw, x)
Nothing -> return ()
where width = rect_width screen `div` fromIntegral (length tws)
-- propertyNotify
handleEvent ishr conf (TabState {tabsWindows = tws, scr = screen, fontS = fs })
(PropertyEvent {ev_window = thisw })
| thisw `elem` (map snd tws) = do
let tabwin = (fst $ fromJust $ find ((== thisw) . snd) tws, thisw)
updateTab ishr conf fs width tabwin
where width = rect_width screen `div` fromIntegral (length tws)
-- expose
handleEvent ishr conf (TabState {tabsWindows = tws, scr = screen, fontS = fs })
(ExposeEvent {ev_window = thisw })
| thisw `elem` (map fst tws) = do
updateTab ishr conf fs width (thisw, fromJust $ lookup thisw tws)
where width = rect_width screen `div` fromIntegral (length tws)
handleEvent _ _ _ _ = return ()
initState :: TConf -> Rectangle -> [Window] -> X TabState
initState conf sc ws = do
fs <- initFont (fontName conf)
tws <- createTabs conf sc ws
return $ TabState (zip tws ws) sc fs
createTabs :: TConf -> Rectangle -> [Window] -> X [Window]
createTabs _ _ [] = return []
createTabs c (Rectangle x y wh ht) owl@(ow:ows) = do
let wid = wh `div` (fromIntegral $ length owl)
height = fromIntegral $ tabSize c
mask = Just (exposureMask .|. buttonPressMask)
d <- asks display
w <- createNewWindow (Rectangle x y wid height) mask (inactiveColor c)
io $ restackWindows d $ w : [ow]
ws <- createTabs c (Rectangle (x + fromIntegral wid) y (wh - wid) ht) ows
return (w:ws)
updateTab :: Invisible Maybe Shrinker -> TConf -> FontStruct -> Dimension -> (Window,Window) -> X ()
updateTab ishr c fs wh (tabw,ow) = do
nw <- getName ow
let ht = fromIntegral $ tabSize c :: Dimension
focusColor win ic ac = (maybe ic (\focusw -> if focusw == win
then ac else ic) . W.peek)
`fmap` gets windowset
(bc',borderc',tc') <- focusColor ow
(inactiveColor c, inactiveBorderColor c, inactiveTextColor c)
(activeColor c, activeBorderColor c, activeTextColor c)
let s = fromIMaybe shrinkText ishr
name = shrinkWhile s (\n -> textWidth fs n >
fromIntegral wh - fromIntegral (ht `div` 2)) (show nw)
paintAndWrite tabw fs wh ht 1 bc' borderc' tc' bc' AlignCenter name
shrink :: TConf -> Rectangle -> Rectangle
shrink c (Rectangle x y w h) =
Rectangle x (y + fromIntegral (tabSize c)) w (h - fromIntegral (tabSize c))
type Shrinker = String -> [String]
shrinkWhile :: Shrinker -> (String -> Bool) -> String -> String
shrinkWhile sh p x = sw $ sh x
where sw [n] = n
sw [] = ""
sw (n:ns) | p n = sw ns
| otherwise = n
shrinkText :: Shrinker
shrinkText "" = [""]
shrinkText cs = cs : shrinkText (init cs)
|
