{-# LANGUAGE CPP             #-}
{-# LANGUAGE LambdaCase      #-}
{-# LANGUAGE TupleSections   #-}
{-# LANGUAGE RecordWildCards #-}
-----------------------------------------------------------------------------
-- |
-- Module      :  XMonad.Util.XUtils
-- Description :  A module for painting on the screen.
-- Copyright   :  (c) 2007 Andrea Rossato
--                    2010 Alejandro Serrano
-- License     :  BSD-style (see xmonad/LICENSE)
--
-- Maintainer  :  andrea.rossato@unibz.it
-- Stability   :  unstable
-- Portability :  unportable
--
-- A module for painting on the screen
--
-----------------------------------------------------------------------------

module XMonad.Util.XUtils
    ( -- * Usage:
      -- $usage
      withSimpleWindow
    , showSimpleWindow
    , WindowConfig(..)
    , WindowRect(..)
    , averagePixels
    , createNewWindow
    , showWindow
    , showWindows
    , hideWindow
    , hideWindows
    , deleteWindow
    , deleteWindows
    , paintWindow
    , paintAndWrite
    , paintTextAndIcons
    , stringToPixel
    , pixelToString
    , fi
    ) where

import XMonad.Prelude
import XMonad
import XMonad.Util.Font
import XMonad.Util.Image
import qualified XMonad.StackSet as W
import Data.Bits ((.&.))

-- $usage
-- See "XMonad.Layout.Tabbed" or "XMonad.Layout.DragPane" or
-- "XMonad.Layout.Decoration" for usage examples

-- | Compute the weighted average the colors of two given 'Pixel' values.
--
-- This function masks out any alpha channel in the passed pixels, and the
-- result has no alpha channel. X11 mishandles @Pixel@ values with alpha
-- channels and throws errors while producing black pixels.
averagePixels :: Pixel -> Pixel -> Double -> X Pixel
averagePixels :: Atom -> Atom -> Double -> X Atom
averagePixels Atom
p1' Atom
p2' Double
f =
    do Display
d <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
       let cm :: Atom
cm = Display -> Dimension -> Atom
defaultColormap Display
d (Display -> Dimension
defaultScreen Display
d)
           mask :: a -> a
mask a
p = a
p a -> a -> a
forall a. Bits a => a -> a -> a
.&. a
0x00FFFFFF
           p1 :: Atom
p1 = Atom -> Atom
forall {a}. (Bits a, Num a) => a -> a
mask Atom
p1'
           p2 :: Atom
p2 = Atom -> Atom
forall {a}. (Bits a, Num a) => a -> a
mask Atom
p2'
       [Color Atom
_ Word16
r1 Word16
g1 Word16
b1 Word8
_,Color Atom
_ Word16
r2 Word16
g2 Word16
b2 Word8
_] <- IO [Color] -> X [Color]
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO [Color] -> X [Color]) -> IO [Color] -> X [Color]
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> [Color] -> IO [Color]
queryColors Display
d Atom
cm [Atom -> Word16 -> Word16 -> Word16 -> Word8 -> Color
Color Atom
p1 Word16
0 Word16
0 Word16
0 Word8
0,Atom -> Word16 -> Word16 -> Word16 -> Word8 -> Color
Color Atom
p2 Word16
0 Word16
0 Word16
0 Word8
0]
       let mn :: a -> a -> b
mn a
x1 a
x2 = Double -> b
forall b. Integral b => Double -> b
forall a b. (RealFrac a, Integral b) => a -> b
round (a -> Double
forall a b. (Integral a, Num b) => a -> b
fromIntegral a
x1 Double -> Double -> Double
forall a. Num a => a -> a -> a
* Double
f Double -> Double -> Double
forall a. Num a => a -> a -> a
+ a -> Double
forall a b. (Integral a, Num b) => a -> b
fromIntegral a
x2 Double -> Double -> Double
forall a. Num a => a -> a -> a
* (Double
1Double -> Double -> Double
forall a. Num a => a -> a -> a
-Double
f))
       Color Atom
p Word16
_ Word16
_ Word16
_ Word8
_ <- IO Color -> X Color
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO Color -> X Color) -> IO Color -> X Color
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> Color -> IO Color
allocColor Display
d Atom
cm (Atom -> Word16 -> Word16 -> Word16 -> Word8 -> Color
Color Atom
0 (Word16 -> Word16 -> Word16
forall {b} {a} {a}.
(Integral b, Integral a, Integral a) =>
a -> a -> b
mn Word16
r1 Word16
r2) (Word16 -> Word16 -> Word16
forall {b} {a} {a}.
(Integral b, Integral a, Integral a) =>
a -> a -> b
mn Word16
g1 Word16
g2) (Word16 -> Word16 -> Word16
forall {b} {a} {a}.
(Integral b, Integral a, Integral a) =>
a -> a -> b
mn Word16
b1 Word16
b2) Word8
0)
       Atom -> X Atom
forall a. a -> X a
forall (m :: * -> *) a. Monad m => a -> m a
return Atom
p

-- | Create a simple window given a rectangle. If Nothing is given
-- only the exposureMask will be set, otherwise the Just value.
-- Use 'showWindow' to map and hideWindow to unmap.
createNewWindow :: Rectangle -> Maybe EventMask -> String -> Bool -> X Window
createNewWindow :: Rectangle -> Maybe Atom -> String -> Bool -> X Atom
createNewWindow (Rectangle Position
x Position
y Dimension
w Dimension
h) Maybe Atom
m String
col Bool
o = do
  Display
d   <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
  Atom
rw  <- (XConf -> Atom) -> X Atom
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Atom
theRoot
  Atom
c   <- Display -> String -> X Atom
forall (m :: * -> *).
(Functor m, MonadIO m) =>
Display -> String -> m Atom
stringToPixel Display
d String
col
  Atom
win <- IO Atom -> X Atom
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO Atom -> X Atom) -> IO Atom -> X Atom
forall a b. (a -> b) -> a -> b
$ Display
-> Screen
-> Atom
-> Position
-> Position
-> Dimension
-> Dimension
-> Atom
-> Bool
-> IO Atom
mkWindow Display
d (Display -> Screen
defaultScreenOfDisplay Display
d) Atom
rw Position
x Position
y Dimension
w Dimension
h Atom
c Bool
o
  case Maybe Atom
m of
    Just Atom
em -> IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> Atom -> IO ()
selectInput Display
d Atom
win Atom
em
    Maybe Atom
Nothing -> IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> Atom -> IO ()
selectInput Display
d Atom
win Atom
exposureMask
  -- @@@ ugly hack to prevent compositing
  X Bool -> X () -> X ()
whenX (Bool -> X Bool
forall a. a -> X a
forall (m :: * -> *) a. Monad m => a -> m a
return (Bool -> X Bool) -> Bool -> X Bool
forall a b. (a -> b) -> a -> b
$ Maybe Atom -> Bool
forall a. Maybe a -> Bool
isJust Maybe Atom
m) (X () -> X ()) -> X () -> X ()
forall a b. (a -> b) -> a -> b
$ (X () -> X () -> X ()) -> X () -> X () -> X ()
forall a b c. (a -> b -> c) -> b -> a -> c
flip X () -> X () -> X ()
forall a. X a -> X a -> X a
catchX (() -> X ()
forall a. a -> X a
forall (m :: * -> *) a. Monad m => a -> m a
return ()) (X () -> X ()) -> X () -> X ()
forall a b. (a -> b) -> a -> b
$ do
    Atom
wINDOW_TYPE <- String -> X Atom
getAtom String
"_NET_WM_WINDOW_TYPE"
    Atom
dESKTOP <- String -> X Atom
getAtom String
"_NET_WM_WINDOW_TYPE_DESKTOP"
    IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> Atom -> Atom -> CInt -> [CLong] -> IO ()
changeProperty32 Display
d Atom
win Atom
wINDOW_TYPE Atom
aTOM CInt
propModeReplace [Atom -> CLong
forall a b. (Integral a, Num b) => a -> b
fi Atom
dESKTOP]
  Atom -> X Atom
forall a. a -> X a
forall (m :: * -> *) a. Monad m => a -> m a
return Atom
win

-- | Map a window
showWindow :: Window -> X ()
showWindow :: Atom -> X ()
showWindow Atom
w = do
  Display
d <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> IO ()
mapWindow Display
d Atom
w

-- | the list version
showWindows :: [Window] -> X ()
showWindows :: [Atom] -> X ()
showWindows = (Atom -> X ()) -> [Atom] -> X ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ Atom -> X ()
showWindow

-- | unmap a window
hideWindow :: Window -> X ()
hideWindow :: Atom -> X ()
hideWindow Atom
w = do
  Display
d <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> IO ()
unmapWindow Display
d Atom
w

-- | the list version
hideWindows :: [Window] -> X ()
hideWindows :: [Atom] -> X ()
hideWindows = (Atom -> X ()) -> [Atom] -> X ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ Atom -> X ()
hideWindow

-- | destroy a window
deleteWindow :: Window -> X ()
deleteWindow :: Atom -> X ()
deleteWindow Atom
w = do
  Display
d <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> IO ()
destroyWindow Display
d Atom
w

-- | the list version
deleteWindows :: [Window] -> X ()
deleteWindows :: [Atom] -> X ()
deleteWindows = (Atom -> X ()) -> [Atom] -> X ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ Atom -> X ()
deleteWindow

-- | Fill a window with a rectangle and a border
paintWindow :: Window     -- ^ The window where to draw
            -> Dimension  -- ^ Window width
            -> Dimension  -- ^ Window height
            -> Dimension  -- ^ Border width
            -> String     -- ^ Window background color
            -> String     -- ^ Border color
            -> X ()
paintWindow :: Atom
-> Dimension -> Dimension -> Dimension -> String -> String -> X ()
paintWindow Atom
w Dimension
wh Dimension
ht Dimension
bw String
c String
bc =
    Atom
-> Rectangle
-> Dimension
-> String
-> String
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe (String, String, [((Position, Position), [[Bool]])])
-> X ()
paintWindow' Atom
w (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 Dimension
wh Dimension
ht) Dimension
bw String
c String
bc Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
forall a. Maybe a
Nothing Maybe (String, String, [((Position, Position), [[Bool]])])
forall a. Maybe a
Nothing

-- | Fill a window with a rectangle and a border, and write
-- | a number of strings to given positions
paintAndWrite :: Window     -- ^ The window where to draw
              -> XMonadFont -- ^ XMonad Font for drawing
              -> Dimension  -- ^ Window width
              -> Dimension  -- ^ Window height
              -> Dimension  -- ^ Border width
              -> String     -- ^ Window background color
              -> String     -- ^ Border color
              -> String     -- ^ String color
              -> String     -- ^ String background color
              -> [Align]    -- ^ String 'Align'ments
              -> [String]   -- ^ Strings to be printed
              -> X ()
paintAndWrite :: Atom
-> XMonadFont
-> Dimension
-> Dimension
-> Dimension
-> String
-> String
-> String
-> String
-> [Align]
-> [String]
-> X ()
paintAndWrite Atom
w XMonadFont
fs Dimension
wh Dimension
ht Dimension
bw String
bc String
borc String
ffc String
fbc [Align]
als [String]
strs = do
    Display
d <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
    [(Position, Position)]
strPositions <- [(Align, String)]
-> ((Align, String) -> X (Position, Position))
-> X [(Position, Position)]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
t a -> (a -> m b) -> m (t b)
forM ([Align] -> [String] -> [(Align, String)]
forall a b. [a] -> [b] -> [(a, b)]
zip [Align]
als [String]
strs) (((Align, String) -> X (Position, Position))
 -> X [(Position, Position)])
-> ((Align, String) -> X (Position, Position))
-> X [(Position, Position)]
forall a b. (a -> b) -> a -> b
$
        (Align -> String -> X (Position, Position))
-> (Align, String) -> X (Position, Position)
forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry (Display
-> XMonadFont
-> Rectangle
-> Align
-> String
-> X (Position, Position)
forall (m :: * -> *).
(Functor m, MonadIO m) =>
Display
-> XMonadFont
-> Rectangle
-> Align
-> String
-> m (Position, Position)
stringPosition Display
d XMonadFont
fs (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 Dimension
wh Dimension
ht))
    let ms :: Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
ms = (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
forall a. a -> Maybe a
Just (XMonadFont
fs,String
ffc,String
fbc, [String]
-> [(Position, Position)] -> [(String, (Position, Position))]
forall a b. [a] -> [b] -> [(a, b)]
zip [String]
strs [(Position, Position)]
strPositions)
    Atom
-> Rectangle
-> Dimension
-> String
-> String
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe (String, String, [((Position, Position), [[Bool]])])
-> X ()
paintWindow' Atom
w (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 Dimension
wh Dimension
ht) Dimension
bw String
bc String
borc Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
ms Maybe (String, String, [((Position, Position), [[Bool]])])
forall a. Maybe a
Nothing

-- | Fill a window with a rectangle and a border, and write
-- | a number of strings and a number of icons to given positions
paintTextAndIcons :: Window      -- ^ The window where to draw
                  -> XMonadFont  -- ^ XMonad Font for drawing
                  -> Dimension   -- ^ Window width
                  -> Dimension   -- ^ Window height
                  -> Dimension   -- ^ Border width
                  -> String      -- ^ Window background color
                  -> String      -- ^ Border color
                  -> String      -- ^ String color
                  -> String      -- ^ String background color
                  -> [Align]     -- ^ String 'Align'ments
                  -> [String]    -- ^ Strings to be printed
                  -> [Placement] -- ^ Icon 'Placements'
                  -> [[[Bool]]]  -- ^ Icons to be printed
                  -> X ()
paintTextAndIcons :: Atom
-> XMonadFont
-> Dimension
-> Dimension
-> Dimension
-> String
-> String
-> String
-> String
-> [Align]
-> [String]
-> [Placement]
-> [[[Bool]]]
-> X ()
paintTextAndIcons Atom
w XMonadFont
fs Dimension
wh Dimension
ht Dimension
bw String
bc String
borc String
ffc String
fbc [Align]
als [String]
strs [Placement]
i_als [[[Bool]]]
icons = do
    Display
d <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
    [(Position, Position)]
strPositions <- [(Align, String)]
-> ((Align, String) -> X (Position, Position))
-> X [(Position, Position)]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
t a -> (a -> m b) -> m (t b)
forM ([Align] -> [String] -> [(Align, String)]
forall a b. [a] -> [b] -> [(a, b)]
zip [Align]
als [String]
strs) (((Align, String) -> X (Position, Position))
 -> X [(Position, Position)])
-> ((Align, String) -> X (Position, Position))
-> X [(Position, Position)]
forall a b. (a -> b) -> a -> b
$ (Align -> String -> X (Position, Position))
-> (Align, String) -> X (Position, Position)
forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry (Display
-> XMonadFont
-> Rectangle
-> Align
-> String
-> X (Position, Position)
forall (m :: * -> *).
(Functor m, MonadIO m) =>
Display
-> XMonadFont
-> Rectangle
-> Align
-> String
-> m (Position, Position)
stringPosition Display
d XMonadFont
fs (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 Dimension
wh Dimension
ht))
    let iconPositions :: [(Position, Position)]
iconPositions = (Placement -> [[Bool]] -> (Position, Position))
-> [Placement] -> [[[Bool]]] -> [(Position, Position)]
forall a b c. (a -> b -> c) -> [a] -> [b] -> [c]
zipWith (Rectangle -> Placement -> [[Bool]] -> (Position, Position)
iconPosition (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 Dimension
wh Dimension
ht)) [Placement]
i_als [[[Bool]]]
icons
        ms :: Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
ms = (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
forall a. a -> Maybe a
Just (XMonadFont
fs,String
ffc,String
fbc, [String]
-> [(Position, Position)] -> [(String, (Position, Position))]
forall a b. [a] -> [b] -> [(a, b)]
zip [String]
strs [(Position, Position)]
strPositions)
        is :: Maybe (String, String, [((Position, Position), [[Bool]])])
is = (String, String, [((Position, Position), [[Bool]])])
-> Maybe (String, String, [((Position, Position), [[Bool]])])
forall a. a -> Maybe a
Just (String
ffc, String
fbc, [(Position, Position)]
-> [[[Bool]]] -> [((Position, Position), [[Bool]])]
forall a b. [a] -> [b] -> [(a, b)]
zip [(Position, Position)]
iconPositions [[[Bool]]]
icons)
    Atom
-> Rectangle
-> Dimension
-> String
-> String
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe (String, String, [((Position, Position), [[Bool]])])
-> X ()
paintWindow' Atom
w (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 Dimension
wh Dimension
ht) Dimension
bw String
bc String
borc Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
ms Maybe (String, String, [((Position, Position), [[Bool]])])
is

-- | The config for a window, as interpreted by 'showSimpleWindow'.
--
-- The font @winFont@ can either be specified in the TODO format or as an
-- xft font.  For example:
--
-- > winFont = "xft:monospace-20"
--
-- or
--
-- > winFont = "-misc-fixed-*-*-*-*-20-*-*-*-*-*-*-*"
data WindowConfig = WindowConfig
  { WindowConfig -> String
winFont :: !String      -- ^ Font to use.
  , WindowConfig -> String
winBg   :: !String      -- ^ Background color.
  , WindowConfig -> String
winFg   :: !String      -- ^ Foreground color.
  , WindowConfig -> WindowRect
winRect :: !WindowRect  -- ^ Position and size of the rectangle.
  }

instance Default WindowConfig where
  def :: WindowConfig
def = WindowConfig
    {
#ifdef XFT
      winFont :: String
winFont = String
"xft:monospace-20"
#else
      winFont = "-misc-fixed-*-*-*-*-20-*-*-*-*-*-*-*"
#endif
    , winBg :: String
winBg   = String
"black"
    , winFg :: String
winFg   = String
"white"
    , winRect :: WindowRect
winRect = WindowRect
CenterWindow
    }

-- | What kind of window we should be.
data WindowRect
  = CenterWindow         -- ^ Centered, big enough to fit all the text.
  | CustomRect Rectangle -- ^ Completely custom dimensions.

-- | Create a window, then fill and show it with the given text.  If you
-- are looking for a version of this function that also takes care of
-- destroying the window, refer to 'withSimpleWindow'.
showSimpleWindow :: WindowConfig -- ^ Window config.
                 -> [String]     -- ^ Lines of text to show.
                 -> X Window
showSimpleWindow :: WindowConfig -> [String] -> X Atom
showSimpleWindow WindowConfig{String
WindowRect
winFont :: WindowConfig -> String
winBg :: WindowConfig -> String
winFg :: WindowConfig -> String
winRect :: WindowConfig -> WindowRect
winFont :: String
winBg :: String
winFg :: String
winRect :: WindowRect
..} [String]
strs = do
  let pad :: Position
pad = Position
20
  XMonadFont
font <- String -> X XMonadFont
initXMF String
winFont
  Display
dpy  <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
  Rectangle Position
sx Position
sy Dimension
sw Dimension
sh <- WindowRect -> X Rectangle
getRectangle WindowRect
winRect

  -- Text extents for centering all fonts
  Position
extends <- [Position] -> Position
forall a. Ord a => [a] -> a
forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
maximum ([Position] -> Position)
-> ([(Position, Position)] -> [Position])
-> [(Position, Position)]
-> Position
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((Position, Position) -> Position)
-> [(Position, Position)] -> [Position]
forall a b. (a -> b) -> [a] -> [b]
map ((Position -> Position -> Position)
-> (Position, Position) -> Position
forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Position -> Position -> Position
forall a. Num a => a -> a -> a
(+)) ([(Position, Position)] -> Position)
-> X [(Position, Position)] -> X Position
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (String -> X (Position, Position))
-> [String] -> X [(Position, Position)]
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
forall (f :: * -> *) a b.
Applicative f =>
(a -> f b) -> [a] -> f [b]
traverse (XMonadFont -> String -> X (Position, Position)
forall (m :: * -> *).
MonadIO m =>
XMonadFont -> String -> m (Position, Position)
textExtentsXMF XMonadFont
font) [String]
strs
  -- Height and width of entire window
  Position
height <- Position -> X Position
forall a. a -> X a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Position -> X Position) -> (Int -> Position) -> Int -> X Position
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> Position
forall a b. (Integral a, Num b) => a -> b
fi (Int -> X Position) -> Int -> X Position
forall a b. (a -> b) -> a -> b
$ (Int
1 Int -> Int -> Int
forall a. Num a => a -> a -> a
+ [String] -> Int
forall a. [a] -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length [String]
strs) Int -> Int -> Int
forall a. Num a => a -> a -> a
* Position -> Int
forall a b. (Integral a, Num b) => a -> b
fi Position
extends
  Position
width  <- (Position -> Position -> Position
forall a. Num a => a -> a -> a
+ Position
pad) (Position -> Position) -> ([Int] -> Position) -> [Int] -> Position
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> Position
forall a b. (Integral a, Num b) => a -> b
fi (Int -> Position) -> ([Int] -> Int) -> [Int] -> Position
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Int] -> Int
forall a. Ord a => [a] -> a
forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
maximum ([Int] -> Position) -> X [Int] -> X Position
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (String -> X Int) -> [String] -> X [Int]
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
forall (f :: * -> *) a b.
Applicative f =>
(a -> f b) -> [a] -> f [b]
traverse (Display -> XMonadFont -> String -> X Int
forall (m :: * -> *).
MonadIO m =>
Display -> XMonadFont -> String -> m Int
textWidthXMF Display
dpy XMonadFont
font) [String]
strs

  let -- x and y coordinates that specify the upper left corner of the window
      x :: Position
x = Position
sx Position -> Position -> Position
forall a. Num a => a -> a -> a
+ (Dimension -> Position
forall a b. (Integral a, Num b) => a -> b
fi Dimension
sw Position -> Position -> Position
forall a. Num a => a -> a -> a
- Position
width  Position -> Position -> Position
forall a. Num a => a -> a -> a
+ Position
2) Position -> Position -> Position
forall a. Integral a => a -> a -> a
`div` Position
2
      y :: Position
y = Position
sy Position -> Position -> Position
forall a. Num a => a -> a -> a
+ (Dimension -> Position
forall a b. (Integral a, Num b) => a -> b
fi Dimension
sh Position -> Position -> Position
forall a. Num a => a -> a -> a
- Position
height Position -> Position -> Position
forall a. Num a => a -> a -> a
+ Position
2) Position -> Position -> Position
forall a. Integral a => a -> a -> a
`div` Position
2
      -- y position of first string
      yFirst :: Position
yFirst = (Position
height Position -> Position -> Position
forall a. Num a => a -> a -> a
+ Position
2 Position -> Position -> Position
forall a. Num a => a -> a -> a
* Position
extends) Position -> Position -> Position
forall a. Integral a => a -> a -> a
`div` Int -> Position
forall a b. (Integral a, Num b) => a -> b
fi (Int
2 Int -> Int -> Int
forall a. Num a => a -> a -> a
+ [String] -> Int
forall a. [a] -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length [String]
strs)
      -- (x starting, y starting) for all strings
      strPositions :: [(Position, Position)]
strPositions = (Position -> (Position, Position))
-> [Position] -> [(Position, Position)]
forall a b. (a -> b) -> [a] -> [b]
map (Position
pad Position -> Position -> Position
forall a. Integral a => a -> a -> a
`div` Position
2, ) [Position
yFirst, Position
yFirst Position -> Position -> Position
forall a. Num a => a -> a -> a
+ Position
extends ..]

  Atom
w <- Rectangle -> Maybe Atom -> String -> Bool -> X Atom
createNewWindow (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
x Position
y (Position -> Dimension
forall a b. (Integral a, Num b) => a -> b
fi Position
width) (Position -> Dimension
forall a b. (Integral a, Num b) => a -> b
fi Position
height)) Maybe Atom
forall a. Maybe a
Nothing String
"" Bool
True
  let ms :: Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
ms = (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
forall a. a -> Maybe a
Just (XMonadFont
font, String
winFg, String
winBg, [String]
-> [(Position, Position)] -> [(String, (Position, Position))]
forall a b. [a] -> [b] -> [(a, b)]
zip [String]
strs [(Position, Position)]
strPositions)
  Atom -> X ()
showWindow Atom
w
  Atom
-> Rectangle
-> Dimension
-> String
-> String
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe (String, String, [((Position, Position), [[Bool]])])
-> X ()
paintWindow' Atom
w (Position -> Position -> Dimension -> Dimension -> Rectangle
Rectangle Position
0 Position
0 (Position -> Dimension
forall a b. (Integral a, Num b) => a -> b
fi Position
width) (Position -> Dimension
forall a b. (Integral a, Num b) => a -> b
fi Position
height)) Dimension
0 String
winBg String
"" Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
ms Maybe (String, String, [((Position, Position), [[Bool]])])
forall a. Maybe a
Nothing
  XMonadFont -> X ()
releaseXMF XMonadFont
font
  Atom -> X Atom
forall a. a -> X a
forall (f :: * -> *) a. Applicative f => a -> f a
pure Atom
w
 where
  getRectangle :: WindowRect -> X Rectangle
  getRectangle :: WindowRect -> X Rectangle
getRectangle = \case
    WindowRect
CenterWindow -> (XState -> Rectangle) -> X Rectangle
forall s (m :: * -> *) a. MonadState s m => (s -> a) -> m a
gets ((XState -> Rectangle) -> X Rectangle)
-> (XState -> Rectangle) -> X Rectangle
forall a b. (a -> b) -> a -> b
$ ScreenDetail -> Rectangle
screenRect (ScreenDetail -> Rectangle)
-> (XState -> ScreenDetail) -> XState -> Rectangle
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Screen String (Layout Atom) Atom ScreenId ScreenDetail
-> ScreenDetail
forall i l a sid sd. Screen i l a sid sd -> sd
W.screenDetail (Screen String (Layout Atom) Atom ScreenId ScreenDetail
 -> ScreenDetail)
-> (XState
    -> Screen String (Layout Atom) Atom ScreenId ScreenDetail)
-> XState
-> ScreenDetail
forall b c a. (b -> c) -> (a -> b) -> a -> c
. StackSet String (Layout Atom) Atom ScreenId ScreenDetail
-> Screen String (Layout Atom) Atom ScreenId ScreenDetail
forall i l a sid sd. StackSet i l a sid sd -> Screen i l a sid sd
W.current (StackSet String (Layout Atom) Atom ScreenId ScreenDetail
 -> Screen String (Layout Atom) Atom ScreenId ScreenDetail)
-> (XState
    -> StackSet String (Layout Atom) Atom ScreenId ScreenDetail)
-> XState
-> Screen String (Layout Atom) Atom ScreenId ScreenDetail
forall b c a. (b -> c) -> (a -> b) -> a -> c
. XState -> StackSet String (Layout Atom) Atom ScreenId ScreenDetail
windowset
    CustomRect Rectangle
r -> Rectangle -> X Rectangle
forall a. a -> X a
forall (f :: * -> *) a. Applicative f => a -> f a
pure Rectangle
r

-- | Like 'showSimpleWindow', but fully manage the window; i.e., destroy
-- it after the given function finishes its execution.
withSimpleWindow :: WindowConfig -> [String] -> X a -> X a
withSimpleWindow :: forall a. WindowConfig -> [String] -> X a -> X a
withSimpleWindow WindowConfig
wc [String]
strs X a
doStuff = do
  Atom
w <- WindowConfig -> [String] -> X Atom
showSimpleWindow WindowConfig
wc [String]
strs
  X a
doStuff X a -> X () -> X a
forall a b. X a -> X b -> X a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* (Display -> X ()) -> X ()
forall a. (Display -> X a) -> X a
withDisplay (IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> (Display -> IO ()) -> Display -> X ()
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Display -> Atom -> IO ()
`destroyWindow` Atom
w))

-- This stuff is not exported

-- | Paints a titlebar with some strings and icons
-- drawn inside it.
-- Not exported.
paintWindow' :: Window -> Rectangle -> Dimension -> String -> String
                -> Maybe (XMonadFont,String,String,[(String, (Position, Position))])
                -> Maybe (String, String, [((Position, Position), [[Bool]])]) -> X ()
paintWindow' :: Atom
-> Rectangle
-> Dimension
-> String
-> String
-> Maybe
     (XMonadFont, String, String, [(String, (Position, Position))])
-> Maybe (String, String, [((Position, Position), [[Bool]])])
-> X ()
paintWindow' Atom
win (Rectangle Position
_ Position
_ Dimension
wh Dimension
ht) Dimension
bw String
color String
b_color Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
strStuff Maybe (String, String, [((Position, Position), [[Bool]])])
iconStuff = do
  Display
d  <- (XConf -> Display) -> X Display
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks XConf -> Display
display
  Atom
p  <- IO Atom -> X Atom
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO Atom -> X Atom) -> IO Atom -> X Atom
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> Dimension -> Dimension -> CInt -> IO Atom
createPixmap Display
d Atom
win Dimension
wh Dimension
ht (Screen -> CInt
defaultDepthOfScreen (Screen -> CInt) -> Screen -> CInt
forall a b. (a -> b) -> a -> b
$ Display -> Screen
defaultScreenOfDisplay Display
d)
  GC
gc <- IO GC -> X GC
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO GC -> X GC) -> IO GC -> X GC
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> IO GC
createGC Display
d Atom
p
  -- draw
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> GC -> Bool -> IO ()
setGraphicsExposures Display
d GC
gc Bool
False
  [Atom
color',Atom
b_color'] <- (String -> X Atom) -> [String] -> X [Atom]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> [a] -> m [b]
mapM (Display -> String -> X Atom
forall (m :: * -> *).
(Functor m, MonadIO m) =>
Display -> String -> m Atom
stringToPixel Display
d) [String
color,String
b_color]
  -- we start with the border
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> GC -> Atom -> IO ()
setForeground Display
d GC
gc Atom
b_color'
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display
-> Atom
-> GC
-> Position
-> Position
-> Dimension
-> Dimension
-> IO ()
fillRectangle Display
d Atom
p GC
gc Position
0 Position
0 Dimension
wh Dimension
ht
  -- and now again
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> GC -> Atom -> IO ()
setForeground Display
d GC
gc Atom
color'
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display
-> Atom
-> GC
-> Position
-> Position
-> Dimension
-> Dimension
-> IO ()
fillRectangle Display
d Atom
p GC
gc (Dimension -> Position
forall a b. (Integral a, Num b) => a -> b
fi Dimension
bw) (Dimension -> Position
forall a b. (Integral a, Num b) => a -> b
fi Dimension
bw) (Dimension
wh Dimension -> Dimension -> Dimension
forall a. Num a => a -> a -> a
- (Dimension
bw Dimension -> Dimension -> Dimension
forall a. Num a => a -> a -> a
* Dimension
2)) (Dimension
ht Dimension -> Dimension -> Dimension
forall a. Num a => a -> a -> a
- (Dimension
bw Dimension -> Dimension -> Dimension
forall a. Num a => a -> a -> a
* Dimension
2))
  -- paint strings
  Bool -> X () -> X ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
-> Bool
forall a. Maybe a -> Bool
isJust Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
strStuff) (X () -> X ()) -> X () -> X ()
forall a b. (a -> b) -> a -> b
$ do
    let (XMonadFont
xmf,String
fc,String
bc,[(String, (Position, Position))]
strAndPos) = Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
-> (XMonadFont, String, String, [(String, (Position, Position))])
forall a. HasCallStack => Maybe a -> a
fromJust Maybe
  (XMonadFont, String, String, [(String, (Position, Position))])
strStuff
    [(String, (Position, Position))]
-> ((String, (Position, Position)) -> X ()) -> X ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
t a -> (a -> m b) -> m ()
forM_ [(String, (Position, Position))]
strAndPos (((String, (Position, Position)) -> X ()) -> X ())
-> ((String, (Position, Position)) -> X ()) -> X ()
forall a b. (a -> b) -> a -> b
$ \(String
s, (Position
x, Position
y)) ->
        Display
-> Atom
-> XMonadFont
-> GC
-> String
-> String
-> Position
-> Position
-> String
-> X ()
forall (m :: * -> *).
(Functor m, MonadIO m) =>
Display
-> Atom
-> XMonadFont
-> GC
-> String
-> String
-> Position
-> Position
-> String
-> m ()
printStringXMF Display
d Atom
p XMonadFont
xmf GC
gc String
fc String
bc Position
x Position
y String
s
  -- paint icons
  Bool -> X () -> X ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Maybe (String, String, [((Position, Position), [[Bool]])]) -> Bool
forall a. Maybe a -> Bool
isJust Maybe (String, String, [((Position, Position), [[Bool]])])
iconStuff) (X () -> X ()) -> X () -> X ()
forall a b. (a -> b) -> a -> b
$ do
    let (String
fc, String
bc, [((Position, Position), [[Bool]])]
iconAndPos) = Maybe (String, String, [((Position, Position), [[Bool]])])
-> (String, String, [((Position, Position), [[Bool]])])
forall a. HasCallStack => Maybe a -> a
fromJust Maybe (String, String, [((Position, Position), [[Bool]])])
iconStuff
    [((Position, Position), [[Bool]])]
-> (((Position, Position), [[Bool]]) -> X ()) -> X ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
t a -> (a -> m b) -> m ()
forM_ [((Position, Position), [[Bool]])]
iconAndPos ((((Position, Position), [[Bool]]) -> X ()) -> X ())
-> (((Position, Position), [[Bool]]) -> X ()) -> X ()
forall a b. (a -> b) -> a -> b
$ \((Position
x, Position
y), [[Bool]]
icon) ->
      Display
-> Atom
-> GC
-> String
-> String
-> Position
-> Position
-> [[Bool]]
-> X ()
forall (m :: * -> *).
(Functor m, MonadIO m) =>
Display
-> Atom
-> GC
-> String
-> String
-> Position
-> Position
-> [[Bool]]
-> m ()
drawIcon Display
d Atom
p GC
gc String
fc String
bc Position
x Position
y [[Bool]]
icon
  -- copy the pixmap over the window
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display
-> Atom
-> Atom
-> GC
-> Position
-> Position
-> Dimension
-> Dimension
-> Position
-> Position
-> IO ()
copyArea      Display
d Atom
p Atom
win GC
gc Position
0 Position
0 Dimension
wh Dimension
ht Position
0 Position
0
  -- free the pixmap and GC
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> Atom -> IO ()
freePixmap    Display
d Atom
p
  IO () -> X ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
io (IO () -> X ()) -> IO () -> X ()
forall a b. (a -> b) -> a -> b
$ Display -> GC -> IO ()
freeGC        Display
d GC
gc

-- | Creates a window with the possibility of setting some attributes.
-- Not exported.
mkWindow :: Display -> Screen -> Window -> Position
         -> Position -> Dimension -> Dimension -> Pixel -> Bool -> IO Window
mkWindow :: Display
-> Screen
-> Atom
-> Position
-> Position
-> Dimension
-> Dimension
-> Atom
-> Bool
-> IO Atom
mkWindow Display
d Screen
s Atom
rw Position
x Position
y Dimension
w Dimension
h Atom
p Bool
o = do
  let visual :: Visual
visual = Screen -> Visual
defaultVisualOfScreen Screen
s
      attrmask :: Atom
attrmask = Atom
cWOverrideRedirect Atom -> Atom -> Atom
forall a. Bits a => a -> a -> a
.|. Atom
cWBackPixel Atom -> Atom -> Atom
forall a. Bits a => a -> a -> a
.|. Atom
cWBorderPixel
  (Ptr SetWindowAttributes -> IO Atom) -> IO Atom
forall a. (Ptr SetWindowAttributes -> IO a) -> IO a
allocaSetWindowAttributes ((Ptr SetWindowAttributes -> IO Atom) -> IO Atom)
-> (Ptr SetWindowAttributes -> IO Atom) -> IO Atom
forall a b. (a -> b) -> a -> b
$
         \Ptr SetWindowAttributes
attributes -> do
           Ptr SetWindowAttributes -> Bool -> IO ()
set_override_redirect Ptr SetWindowAttributes
attributes Bool
o
           Ptr SetWindowAttributes -> Atom -> IO ()
set_border_pixel      Ptr SetWindowAttributes
attributes Atom
p
           Ptr SetWindowAttributes -> Atom -> IO ()
set_background_pixel  Ptr SetWindowAttributes
attributes Atom
p
           Display
-> Atom
-> Position
-> Position
-> Dimension
-> Dimension
-> CInt
-> CInt
-> CInt
-> Visual
-> Atom
-> Ptr SetWindowAttributes
-> IO Atom
createWindow Display
d Atom
rw Position
x Position
y Dimension
w Dimension
h CInt
0 (Screen -> CInt
defaultDepthOfScreen Screen
s)
                        CInt
inputOutput Visual
visual Atom
attrmask Ptr SetWindowAttributes
attributes