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
|
-----------------------------------------------------------------------------
-- |
-- Module : Window
-- Copyright : (c) 2011-18, 2020-22 Jose A. Ortega Ruiz
-- : (c) 2012 Jochen Keil
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- Window manipulation functions
--
-----------------------------------------------------------------------------
module Xmobar.X11.Window where
import qualified Control.Monad as CM
import qualified Data.Function as DF
import qualified Data.List as DL
import qualified Data.Maybe as DM
import qualified Graphics.X11.Xlib as X
import qualified Graphics.X11.Xlib.Extras as Xx
import qualified Graphics.X11.Xinerama as Xi
import qualified Foreign.C.Types as C
import qualified System.Posix.Process as PP
import qualified Xmobar.Config.Types as T
import qualified Xmobar.X11.Text as Txt
-- $window
-- | Creates a window with the attribute override_redirect set to True.
-- Windows Managers should not touch this kind of windows.
newWindow ::
X.Display -> X.Screen -> X.Window -> X.Rectangle -> Bool -> IO X.Window
newWindow dpy scr rw (X.Rectangle x y w h) o = do
let visual = X.defaultVisualOfScreen scr
attrmask = if o then X.cWOverrideRedirect else 0
X.allocaSetWindowAttributes $
\attributes -> do
X.set_override_redirect attributes o
X.createWindow dpy rw x y w h 0 (X.defaultDepthOfScreen scr)
X.inputOutput visual attrmask attributes
-- | The function to create the initial window
createWin :: X.Display -> Txt.XFont -> T.Config -> IO (X.Rectangle, X.Window)
createWin d fs c = do
let dflt = X.defaultScreen d
srs <- Xi.getScreenInfo d
rootw <- X.rootWindow d dflt
(as,ds) <- Txt.textExtents fs "0"
let ht = as + ds + 4
r = setPosition c (T.position c) srs (fromIntegral ht)
win <- newWindow d (X.defaultScreenOfDisplay d) rootw r (T.overrideRedirect c)
setProperties c d win
setStruts r c d win srs
CM.when (T.lowerOnStart c) $ X.lowerWindow d win
CM.unless (T.hideOnStart c) $ showWindow r c d win
return (r,win)
-- | Updates the size and position of the window
repositionWin :: X.Display -> X.Window -> Txt.XFont -> T.Config -> IO X.Rectangle
repositionWin d win fs c = do
srs <- Xi.getScreenInfo d
(as,ds) <- Txt.textExtents fs "0"
let ht = as + ds + 4
r = setPosition c (T.position c) srs (fromIntegral ht)
X.moveResizeWindow d win
(X.rect_x r) (X.rect_y r) (X.rect_width r) (X.rect_height r)
setStruts r c d win srs
X.sync d False
return r
fi :: (Integral a, Num b) => a -> b
fi = fromIntegral
setPosition ::
T.Config -> T.XPosition -> [X.Rectangle] -> X.Dimension -> X.Rectangle
setPosition c p rs ht =
case p' of
T.Top -> X.Rectangle rx ry rw h
T.TopP l r -> X.Rectangle (rx + fi l) ry (rw - fi l - fi r) h
T.TopH ch -> X.Rectangle rx ry rw (mh ch)
T.TopW a i -> X.Rectangle (ax a i) ry (nw i) h
T.TopSize a i ch -> X.Rectangle (ax a i) ry (nw i) (mh ch)
T.Bottom -> X.Rectangle rx ny rw h
T.BottomH ch -> X.Rectangle rx (ny' ch) rw (mh ch)
T.BottomW a i -> X.Rectangle (ax a i) ny (nw i) h
T.BottomP l r -> X.Rectangle (rx + fi l) ny (rw - fi l - fi r) h
T.BottomSize a i ch -> X.Rectangle (ax a i) (ny' ch) (nw i) (mh ch)
T.Static cx cy cw ch -> X.Rectangle (fi cx) (fi cy) (fi cw) (fi ch)
T.OnScreen _ p'' -> setPosition c p'' [scr] ht
where
(scr@(X.Rectangle rx ry rw rh), p') =
case p of T.OnScreen i x -> (DM.fromMaybe (picker rs) $ safeIndex i rs, x)
_ -> (picker rs, p)
ny = ry + fi (rh - ht)
center i = rx + fi (div (remwid i) 2)
right i = rx + fi (remwid i)
remwid i = rw - pw (fi i)
ax T.L = const rx
ax T.R = right
ax T.C = center
pw i = rw * min 100 i `div` 100
nw = fi . pw . fi
h = fi ht
mh h' = max (fi h') h
ny' h' = ry + fi (rh - mh h')
safeIndex i = lookup i . zip [0..]
picker = if T.pickBroadest c
then DL.maximumBy (compare `DF.on` X.rect_width)
else head
setProperties :: T.Config -> X.Display -> X.Window -> IO ()
setProperties c d w = do
let mkatom n = X.internAtom d n False
card <- mkatom "CARDINAL"
atom <- mkatom "ATOM"
X.setTextProperty d w (T.wmClass c) X.wM_CLASS
X.setTextProperty d w (T.wmName c) X.wM_NAME
wtype <- mkatom "_NET_WM_WINDOW_TYPE"
dock <- mkatom "_NET_WM_WINDOW_TYPE_DOCK"
Xx.changeProperty32 d w wtype atom Xx.propModeReplace [fi dock]
CM.when (T.allDesktops c) $ do
desktop <- mkatom "_NET_WM_DESKTOP"
Xx.changeProperty32 d w desktop card Xx.propModeReplace [0xffffffff]
pid <- mkatom "_NET_WM_PID"
PP.getProcessID >>=
Xx.changeProperty32 d w pid card Xx.propModeReplace . return . fi
setStruts' :: X.Display -> X.Window -> [C.CLong] -> IO ()
setStruts' d w svs = do
let mkatom n = X.internAtom d n False
card <- mkatom "CARDINAL"
pstrut <- mkatom "_NET_WM_STRUT_PARTIAL"
strut <- mkatom "_NET_WM_STRUT"
Xx.changeProperty32 d w pstrut card Xx.propModeReplace svs
Xx.changeProperty32 d w strut card Xx.propModeReplace (take 4 svs)
setStruts ::
X.Rectangle -> T.Config -> X.Display -> X.Window -> [X.Rectangle] -> IO ()
setStruts r c d w rs = do
let svs = map fi $ getStrutValues r (T.position c) (getRootWindowHeight rs)
setStruts' d w svs
getRootWindowHeight :: [X.Rectangle] -> Int
getRootWindowHeight srs = maximum (map getMaxScreenYCoord srs)
where
getMaxScreenYCoord sr = fi (X.rect_y sr) + fi (X.rect_height sr)
getStrutValues :: X.Rectangle -> T.XPosition -> Int -> [Int]
getStrutValues r@(X.Rectangle x y w h) p rwh =
case p of
T.OnScreen _ p' -> getStrutValues r p' rwh
T.Top -> [0, 0, st, 0, 0, 0, 0, 0, nx, nw, 0, 0]
T.TopH _ -> [0, 0, st, 0, 0, 0, 0, 0, nx, nw, 0, 0]
T.TopP _ _ -> [0, 0, st, 0, 0, 0, 0, 0, nx, nw, 0, 0]
T.TopW _ _ -> [0, 0, st, 0, 0, 0, 0, 0, nx, nw, 0, 0]
T.TopSize {} -> [0, 0, st, 0, 0, 0, 0, 0, nx, nw, 0, 0]
T.Bottom -> [0, 0, 0, sb, 0, 0, 0, 0, 0, 0, nx, nw]
T.BottomH _ -> [0, 0, 0, sb, 0, 0, 0, 0, 0, 0, nx, nw]
T.BottomP _ _ -> [0, 0, 0, sb, 0, 0, 0, 0, 0, 0, nx, nw]
T.BottomW _ _ -> [0, 0, 0, sb, 0, 0, 0, 0, 0, 0, nx, nw]
T.BottomSize {} -> [0, 0, 0, sb, 0, 0, 0, 0, 0, 0, nx, nw]
T.Static {} -> getStaticStrutValues p rwh
where st = fi y + fi h
sb = rwh - fi y
nx = fi x
nw = fi (x + fi w - 1)
-- get some reaonable strut values for static placement.
getStaticStrutValues :: T.XPosition -> Int -> [Int]
getStaticStrutValues (T.Static cx cy cw ch) rwh
-- if the yPos is in the top half of the screen, then assume a Top
-- placement, otherwise, it's a Bottom placement
| cy < (rwh `div` 2) = [0, 0, st, 0, 0, 0, 0, 0, xs, xe, 0, 0]
| otherwise = [0, 0, 0, sb, 0, 0, 0, 0, 0, 0, xs, xe]
where st = cy + ch
sb = rwh - cy
xs = cx -- a simple calculation for horizontal (x) placement
xe = xs + cw - 1
getStaticStrutValues _ _ = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
hideWindow :: X.Display -> X.Window -> IO ()
hideWindow d w = do
setStruts' d w (replicate 12 0)
Xx.unmapWindow d w >> X.sync d False
showWindow :: X.Rectangle -> T.Config -> X.Display -> X.Window -> IO ()
showWindow r c d w = do
X.mapWindow d w
Xi.getScreenInfo d >>= setStruts r c d w
X.sync d False
isMapped :: X.Display -> X.Window -> IO Bool
isMapped d w = ism <$> Xx.getWindowAttributes d w
where ism Xx.WindowAttributes { Xx.wa_map_state = wms } = wms /= Xx.waIsUnmapped
|
