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-rw-r--r--tv/5pkgs/haskell/th-env/default.nix10
-rw-r--r--tv/5pkgs/haskell/th-env/src/THEnv.hs49
-rw-r--r--tv/5pkgs/haskell/th-env/th-env.cabal20
-rw-r--r--tv/5pkgs/haskell/xmonad-tv/default.nix9
-rw-r--r--tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs18
-rw-r--r--tv/5pkgs/haskell/xmonad-tv/src/main.hs21
-rw-r--r--tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal7
7 files changed, 126 insertions, 8 deletions
diff --git a/tv/5pkgs/haskell/th-env/default.nix b/tv/5pkgs/haskell/th-env/default.nix
new file mode 100644
index 000000000..474a63b85
--- /dev/null
+++ b/tv/5pkgs/haskell/th-env/default.nix
@@ -0,0 +1,10 @@
+{ mkDerivation, base, stdenv, template-haskell, text }:
+mkDerivation {
+ pname = "th-env";
+ version = "1.0.0";
+ src = ./.;
+ libraryHaskellDepends = [ base template-haskell text ];
+ homepage = "https://stackoverflow.com/q/57635686";
+ license = "unknown";
+ hydraPlatforms = stdenv.lib.platforms.none;
+}
diff --git a/tv/5pkgs/haskell/th-env/src/THEnv.hs b/tv/5pkgs/haskell/th-env/src/THEnv.hs
new file mode 100644
index 000000000..b04f2ce0b
--- /dev/null
+++ b/tv/5pkgs/haskell/th-env/src/THEnv.hs
@@ -0,0 +1,49 @@
+{-# LANGUAGE TemplateHaskell #-}
+module THEnv
+ (
+ -- * Compile-time configuration
+ lookupCompileEnv
+ , lookupCompileEnvExp
+ , getCompileEnv
+ , getCompileEnvExp
+ , fileAsString
+ ) where
+
+import Control.Monad
+import qualified Data.Text as T
+import qualified Data.Text.IO as T
+import Language.Haskell.TH
+import Language.Haskell.TH.Syntax (Lift(..))
+import System.Environment (getEnvironment)
+
+-- Functions that work with compile-time configuration
+
+-- | Looks up a compile-time environment variable.
+lookupCompileEnv :: String -> Q (Maybe String)
+lookupCompileEnv key = lookup key `liftM` runIO getEnvironment
+
+-- | Looks up a compile-time environment variable. The result is a TH
+-- expression of type @Maybe String@.
+lookupCompileEnvExp :: String -> Q Exp
+lookupCompileEnvExp = (`sigE` [t| Maybe String |]) . lift <=< lookupCompileEnv
+ -- We need to explicly type the result so that things like `print Nothing`
+ -- work.
+
+-- | Looks up an compile-time environment variable and fail, if it's not
+-- present.
+getCompileEnv :: String -> Q String
+getCompileEnv key =
+ lookupCompileEnv key >>=
+ maybe (fail $ "Environment variable " ++ key ++ " not defined") return
+
+-- | Looks up an compile-time environment variable and fail, if it's not
+-- present. The result is a TH expression of type @String@.
+getCompileEnvExp :: String -> Q Exp
+getCompileEnvExp = lift <=< getCompileEnv
+
+-- | Loads the content of a file as a string constant expression.
+-- The given path is relative to the source directory.
+fileAsString :: FilePath -> Q Exp
+fileAsString = do
+ -- addDependentFile path -- works only with template-haskell >= 2.7
+ stringE . T.unpack . T.strip <=< runIO . T.readFile
diff --git a/tv/5pkgs/haskell/th-env/th-env.cabal b/tv/5pkgs/haskell/th-env/th-env.cabal
new file mode 100644
index 000000000..b9a2cff39
--- /dev/null
+++ b/tv/5pkgs/haskell/th-env/th-env.cabal
@@ -0,0 +1,20 @@
+name: th-env
+version: 1.0.0
+-- license: https://creativecommons.org/licenses/by-sa/4.0/
+license: OtherLicense
+author: https://stackoverflow.com/users/9348482
+homepage: https://stackoverflow.com/q/57635686
+maintainer: tv <tv@krebsco.de>
+build-type: Simple
+cabal-version: >=1.10
+
+library
+ hs-source-dirs: src
+ build-depends:
+ base,
+ template-haskell,
+ text
+ exposed-modules:
+ THEnv
+ default-language: Haskell2010
+ ghc-options: -O2 -Wall
diff --git a/tv/5pkgs/haskell/xmonad-tv/default.nix b/tv/5pkgs/haskell/xmonad-tv/default.nix
index 42eb13d41..36dffaa13 100644
--- a/tv/5pkgs/haskell/xmonad-tv/default.nix
+++ b/tv/5pkgs/haskell/xmonad-tv/default.nix
@@ -1,5 +1,6 @@
-{ mkDerivation, base, containers, directory, extra, stdenv, unix
-, X11, xmonad, xmonad-contrib, xmonad-stockholm
+{ mkDerivation, aeson, base, bytestring, containers, directory
+, extra, stdenv, template-haskell, th-env, unix, X11, xmonad
+, xmonad-contrib, xmonad-stockholm
}:
mkDerivation {
pname = "xmonad-tv";
@@ -8,8 +9,8 @@ mkDerivation {
isLibrary = false;
isExecutable = true;
executableHaskellDepends = [
- base containers directory extra unix X11 xmonad xmonad-contrib
- xmonad-stockholm
+ aeson base bytestring containers directory extra template-haskell
+ th-env unix X11 xmonad xmonad-contrib xmonad-stockholm
];
license = stdenv.lib.licenses.mit;
}
diff --git a/tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs b/tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs
new file mode 100644
index 000000000..2a3a0e523
--- /dev/null
+++ b/tv/5pkgs/haskell/xmonad-tv/src/THEnv/JSON.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+
+module THEnv.JSON where
+
+import Data.Aeson (eitherDecode,FromJSON)
+import Data.ByteString.Lazy.Char8 (pack)
+import Language.Haskell.TH.Syntax (Exp,Lift(lift),Q)
+import THEnv (getCompileEnv)
+import Control.Monad
+
+getCompileEnvJSON :: (FromJSON a) => String -> Q a
+getCompileEnvJSON name =
+ either error (id :: a -> a) . eitherDecode . pack <$> getCompileEnv name
+
+getCompileEnvJSONExp ::
+ forall proxy a. (FromJSON a, Lift a) => proxy a -> String -> Q Exp
+getCompileEnvJSONExp _ =
+ (lift :: a -> Q Exp) <=< getCompileEnvJSON
diff --git a/tv/5pkgs/haskell/xmonad-tv/src/main.hs b/tv/5pkgs/haskell/xmonad-tv/src/main.hs
index c83b411bd..b8ddd27e8 100644
--- a/tv/5pkgs/haskell/xmonad-tv/src/main.hs
+++ b/tv/5pkgs/haskell/xmonad-tv/src/main.hs
@@ -1,4 +1,6 @@
{-# LANGUAGE LambdaCase #-}
+{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE TypeApplications #-}
module Main (main) where
@@ -32,10 +34,23 @@ import XMonad.Stockholm.Pager
import XMonad.Stockholm.Shutdown
import qualified Paths
+import THEnv.JSON (getCompileEnvJSONExp)
+
myFont :: String
myFont = "-schumacher-*-*-*-*-*-*-*-*-*-*-*-iso10646-*"
+myScreenWidth :: Dimension
+myScreenWidth =
+ $(getCompileEnvJSONExp (id @Dimension) "XMONAD_BUILD_SCREEN_WIDTH")
+
+myTermFontWidth :: Dimension
+myTermFontWidth =
+ $(getCompileEnvJSONExp (id @Dimension) "XMONAD_BUILD_TERM_FONT_WIDTH")
+
+myTermPadding :: Dimension
+myTermPadding = 2
+
main :: IO ()
main = getArgs >>= \case
@@ -46,7 +61,6 @@ main = getArgs >>= \case
mainNoArgs :: IO ()
mainNoArgs = do
- let width = 1366
workspaces0 <- getWorkspaces0
handleShutdownEvent <- newShutdownEventHandler
launch
@@ -60,8 +74,9 @@ mainNoArgs = do
smartBorders $
ResizableTall
1
- (10 * 6 / width)
- ((80 * 6 + 2 * (1+1+1))/width) []
+ (fromIntegral (10 * myTermFontWidth) / fromIntegral myScreenWidth)
+ (fromIntegral (80 * myTermFontWidth + 2 * (myTermPadding + borderWidth def)) / fromIntegral myScreenWidth)
+ []
|||
Full
, manageHook =
diff --git a/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal b/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal
index f10bc4aeb..d07e2b159 100644
--- a/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal
+++ b/tv/5pkgs/haskell/xmonad-tv/src/xmonad-tv.cabal
@@ -9,10 +9,14 @@ cabal-version: >=1.10
executable xmonad
main-is: main.hs
build-depends:
+ aeson,
base,
+ bytestring,
containers,
directory,
extra,
+ template-haskell,
+ th-env,
unix,
X11,
xmonad,
@@ -20,6 +24,7 @@ executable xmonad
xmonad-stockholm
other-modules:
Helpers.Path,
- Paths
+ Paths,
+ THEnv.JSON
default-language: Haskell2010
ghc-options: -O2 -Wall -threaded