Adaptive attrmap

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - ghc: "9.6.6"
+        - ghc: "9.12.2"
           yaml: "stack.yaml"
 
     steps:

app/Main.hs

@@ -33,7 +33,7 @@ import Sauron.Setup.ReposFromConfigFile
 import Sauron.Setup.ReposFromCurrentDirectory
 import Sauron.Types
 import Sauron.UI
-import Sauron.UI.AttrMap
+import Sauron.UI.AttrMap (buildAdaptiveAttrMap)
 import System.IO.Error (userError)
 import UnliftIO.Async
 import UnliftIO.Concurrent
@@ -47,19 +47,19 @@ refreshPeriod = 100000
 defaultHealthCheckPeriodUs :: PeriodSpec
 defaultHealthCheckPeriodUs = PeriodSpec (1_000_000 * 60 * 10)
 
-app :: App AppState AppEvent ClickableName
-app = App {
+mkApp :: V.ColorMode -> App AppState AppEvent ClickableName
+mkApp colorMode = App {
   appDraw = drawUI
   , appChooseCursor = showFirstCursor
   , appHandleEvent = \event -> get >>= \s -> appEvent s event
   , appStartEvent = return ()
-  , appAttrMap = const mainAttrMap
+  , appAttrMap = const (buildAdaptiveAttrMap colorMode)
   }
 
 
 main :: IO ()
 main = do
-  CliArgs {cliConfigFile, cliShowAllRepos} <- parseCliArgs
+  CliArgs {cliConfigFile, cliShowAllRepos, cliColorMode} <- parseCliArgs
 
   baseContext@(BaseContext {..}) <- buildBaseContext
 
@@ -97,6 +97,8 @@ main = do
 
           , _appForm = Nothing
           , _appAnimationCounter = 0
+
+          , _appColorMode = V.FullColor
         }
 
 
@@ -123,14 +125,14 @@ main = do
         threadDelay refreshPeriod
 
   let buildVty = do
-        v <- V.mkVty V.defaultConfig
-        let output = V.outputIface v
-        when (V.supportsMode output V.Mouse) $
-          V.setMode output V.Mouse True
+        v <- V.userConfig >>= V.mkVty
+        when (V.supportsMode (V.outputIface v) V.Mouse) $
+          V.setMode (V.outputIface v) V.Mouse True
         return v
   initialVty <- buildVty
+  let colorMode = fromMaybe (V.outputColorMode (V.outputIface initialVty)) cliColorMode
   flip onException (cancel eventAsync) $
-    void $ customMain initialVty buildVty (Just eventChan) app initialState
+    void $ customMain initialVty buildVty (Just eventChan) (mkApp colorMode) (initialState { _appColorMode = colorMode })
 
 
 buildBaseContext :: IO BaseContext

app/Sauron/Event.hs

@@ -175,7 +175,7 @@ getNodeUrl _repoBaseUrl (SingleJobNode (EntityData {_state})) = case fetchableCu
   Nothing -> ""
 getNodeUrl repoBaseUrl (SingleBranchNode (EntityData {_static=branch})) = repoBaseUrl <> "/tree/" <> toString (branchName branch)
 getNodeUrl repoBaseUrl (SingleCommitNode (EntityData {_static=commit})) = repoBaseUrl <> "/commit/" <> toString (untagName (commitSha commit))
-getNodeUrl _repoBaseUrl (SingleNotificationNode (EntityData {_static=notification})) =
+getNodeUrl _repoBaseUrl (SingleNotificationNode (EntityData {_static=_notification})) =
   -- We need to make API calls to get proper html_url fields, but getNodeUrl is pure
   -- This should be handled asynchronously when the notification is opened
   "placeholder://notification-url"

app/Sauron/Options.hs

@@ -22,6 +22,7 @@ import Data.Aeson as A
 import Data.Aeson.TH
 import Data.String.Interpolate
 import Data.Text as T
+import qualified Graphics.Vty as V
 import Options.Applicative
 import Relude
 import Sauron.Aeson
@@ -36,6 +37,7 @@ data CliArgs = CliArgs {
   , cliDebugFile :: Maybe FilePath
   , cliForceAuth :: Bool
   , cliShowAllRepos :: Bool
+  , cliColorMode :: Maybe V.ColorMode
   } deriving (Show)
 
 cliArgsParser :: Parser CliArgs
@@ -46,6 +48,7 @@ cliArgsParser = CliArgs
   <*> optional (strOption (long "debug-file" <> help "Debug file path (for optional logging)" <> metavar "STRING"))
   <*> switch (long "auth" <> help "Force OAuth authentication flow")
   <*> switch (long "all" <> help "Show all repositories for the authenticated user")
+  <*> optional (option (maybeReader parseColorMode) (long "color-mode" <> help "Force a specific color mode (full, 240, 16, 8, none)" <> metavar "MODE"))
 
 parseCliArgs :: IO CliArgs
 parseCliArgs = execParser opts
@@ -56,6 +59,16 @@ parseCliArgs = execParser opts
       <> header "hello - a test for optparse-applicative"
       )
 
+-- * Color mode
+
+parseColorMode :: String -> Maybe V.ColorMode
+parseColorMode "full" = Just V.FullColor
+parseColorMode "240" = Just (V.ColorMode240 240)
+parseColorMode "16" = Just V.ColorMode16
+parseColorMode "8" = Just V.ColorMode8
+parseColorMode "none" = Just V.NoColor
+parseColorMode _ = Nothing
+
 -- * Config file
 
 newtype PeriodSpec = PeriodSpec Int

src/Sauron/Types.hs

@@ -20,6 +20,7 @@ import Data.Time
 import Data.Typeable
 import qualified Data.Vector as V
 import GitHub hiding (Status)
+import qualified Graphics.Vty as V
 import Lens.Micro
 import Lens.Micro.TH
 import Network.HTTP.Client (Manager)
@@ -354,6 +355,8 @@ data AppState = AppState {
 
   , _appForm :: Maybe (Form Text AppEvent ClickableName, Int)
   , _appAnimationCounter :: Int
+
+  , _appColorMode :: V.ColorMode
   }
 
 makeLenses ''AppState

src/Sauron/UI/AttrMap.hs

@@ -16,75 +16,71 @@ import qualified Skylighting.Styles as Sky
 mkAttrName :: String -> AttrName
 mkAttrName = attrName
 
-mainAttrMap :: AttrMap
-mainAttrMap = attrMap V.defAttr ([
-  -- (listAttr, V.white `on` V.blue)
-  -- (listSelectedAttr, V.blue `on` V.white)
-  -- (listSelectedAttr, bg (V.Color240 $ V.rgbColorToColor240 0 1 0))
-  -- (selectedAttr, bg (V.Color240 $ V.rgbColorToColor240 0 1 0))
-
+buildAdaptiveAttrMap :: V.ColorMode -> AttrMap
+buildAdaptiveAttrMap colorMode = attrMap V.defAttr ([
   -- Statuses
   (iconAttr, fg V.white)
   , (normalAttr, fg V.white)
-  , (notFetchedAttr, fg midGray)
+  , (notFetchedAttr, fg (select midGray))
   , (fetchingAttr, fg V.blue)
   , (erroredAttr, fg V.red)
 
   -- Pagination
-
-  , (searchAttr, fg midGray)
-  , (selectedPageAttr, fg solarizedGreen & flip V.withStyle V.bold)
-  , (notSelectedPageAttr, fg midGray & flip V.withStyle V.dim)
-  , (pageEllipsesAttr, fg midGray)
+  , (searchAttr, fg (select midGray))
+  , (selectedPageAttr, fg (select solarizedGreen) & flip V.withStyle V.bold)
+  , (notSelectedPageAttr, fg (select midGray) & flip V.withStyle V.dim)
+  , (pageEllipsesAttr, fg (select midGray))
 
   -- Stats box
   , (starsAttr, fg V.yellow)
 
   -- Workflow icons
-  , (cancelledAttr, fg midGray)
+  , (cancelledAttr, fg (select midGray))
   , (greenCheckAttr, fg V.green)
   , (redXAttr, fg V.red)
-  , (ellipsesAttr, fg midGray)
-  , (neutralAttr, fg midGray)
+  , (ellipsesAttr, fg (select midGray))
+  , (neutralAttr, fg (select midGray))
   , (unknownAttr, fg V.white)
-  , (queuedAttr, fg githubOrange)
+  , (queuedAttr, fg (select githubOrange))
 
   -- Progress bar
-  , (progressCompleteAttr, bg (V.Color240 235))
-  , (progressIncompleteAttr, bg (V.Color240 225))
+  , (progressCompleteAttr, bg (select (V.Color240 235, V.Color240 235, V.brightBlack, V.black, V.black)))
+  , (progressIncompleteAttr, bg (select (V.Color240 225, V.Color240 225, V.black, V.black, V.black)))
 
   -- Main list
-  , (toggleMarkerAttr, fg midGray)
-  , (openMarkerAttr, fg midGray)
+  , (toggleMarkerAttr, fg (select midGray))
+  , (openMarkerAttr, fg (select midGray))
 
   -- Hotkey stuff
   , (hotkeyAttr, fg V.blue)
-  , (disabledHotkeyAttr, fg midGray)
-  , (hotkeyMessageAttr, fg brightWhite)
-  , (disabledHotkeyMessageAttr, fg brightGray)
+  , (disabledHotkeyAttr, fg (select midGray))
+  , (hotkeyMessageAttr, fg (select brightWhite))
+  , (disabledHotkeyMessageAttr, fg (select brightGray))
 
   -- Spinner
-  , (circleSpinnerAttr, fg brightGray)
+  , (circleSpinnerAttr, fg (select brightGray))
 
   -- General UI
-  , (branchAttr, fg solarizedBlue)
-  , (hashAttr, fg midGray)
-  , (hashNumberAttr, fg solarizedViolet)
-  , (usernameAttr, fg solarizedBlue)
+  , (branchAttr, fg (select solarizedBlue))
+  , (hashAttr, fg (select midGray))
+  , (hashNumberAttr, fg (select solarizedViolet))
+  , (usernameAttr, fg (select solarizedBlue))
 
   -- Markdown
   , (italicText, style V.italic)
   , (underlineText, style V.underline)
   , (boldText, style V.bold)
   , (boldUnderlineText, V.defAttr `V.withStyle` V.bold `V.withStyle` V.underline)
   , (strikeoutText, style V.strikethrough)
-  , (codeText, brightWhite `on` dimGray)
-  , (codeBlockText, fg midGray)
-  , (horizontalRuleAttr, fg midGray)
+  , (codeText, select brightWhite `on` select dimGray)
+  , (codeBlockText, fg (select midGray))
+  , (horizontalRuleAttr, fg (select midGray))
 
   -- Forms
   , (E.editFocusedAttr, V.black `on` V.yellow)
   ] <> attrMappingsForStyle Sky.breezeDark)
+  where
+    select = selectColor colorMode
 
 iconAttr = mkAttrName "icon"
 normalAttr = mkAttrName "normal"
@@ -141,32 +137,87 @@ codeText = mkAttrName "code-text"
 codeBlockText = mkAttrName "code-block-text"
 horizontalRuleAttr = mkAttrName "horizontal-rule"
 
--- * Colors
-
-solarizedBase03 = V.rgbColor 0x00 0x2b 0x36
-solarizedBase02 = V.rgbColor 0x07 0x36 0x42
-solarizedBase01 = V.rgbColor 0x58 0x6e 0x75
-solarizedbase00 = V.rgbColor 0x65 0x7b 0x83
-solarizedBase0 = V.rgbColor 0x83 0x94 0x96
-solarizedBase1 = V.rgbColor 0x93 0xa1 0xa1
-solarizedBase2 = V.rgbColor 0xee 0xe8 0xd5
-solarizedBase3 = V.rgbColor 0xfd 0xf6 0xe3
-solarizedYellow = V.rgbColor 0xb5 0x89 0x00
-solarizedOrange = V.rgbColor 0xcb 0x4b 0x16
-solarizedRed = V.rgbColor 0xdc 0x32 0x2f
-solarizedMagenta = V.rgbColor 0xd3 0x36 0x82
-solarizedViolet = V.rgbColor 0x6c 0x71 0xc4
-solarizedBlue = V.rgbColor 0x26 0x8b 0xd2
-solarizedCyan = V.rgbColor 0x2a 0xa1 0x98
-solarizedGreen = V.rgbColor 0x85 0x99 0x00
-
-githubOrange = V.rgbColor 0xd2 0x99 0x22
-
-dimGray = grayAt 25
-midGray = grayAt 50
-brightGray = grayAt 80
-midWhite = grayAt 140
-brightWhite = grayAt 200
-
-grayAt level = V.rgbColor level level level
--- grayAt level = V.Color240 $ V.rgbColorToColor240 level level level
+-- * Color Fallback System
+
+-- Type alias for color fallbacks: (FullColor, ColorMode240, ColorMode16, ColorMode8, NoColor)
+type ColorFallback = (V.Color, V.Color, V.Color, V.Color, V.Color)
+
+-- Color selection function based on detected terminal capabilities
+selectColor :: V.ColorMode -> ColorFallback -> V.Color
+selectColor colorMode (fullColor, color240, color16, color8, noColor) = case colorMode of
+  V.FullColor      -> fullColor
+  V.ColorMode240 _ -> color240
+  V.ColorMode16    -> color16
+  V.ColorMode8     -> color8
+  V.NoColor        -> noColor
+
+-- * Color Definitions with Fallbacks
+
+solarizedBase03 :: ColorFallback
+solarizedBase03 = (V.rgbColor 0x00 0x2b 0x36, V.Color240 234, V.black, V.black, V.black)
+
+solarizedBase02 :: ColorFallback
+solarizedBase02 = (V.rgbColor 0x07 0x36 0x42, V.Color240 235, V.black, V.black, V.black)
+
+solarizedBase01 :: ColorFallback
+solarizedBase01 = (V.rgbColor 0x58 0x6e 0x75, V.Color240 240, V.brightBlack, V.black, V.black)
+
+solarizedbase00 :: ColorFallback
+solarizedbase00 = (V.rgbColor 0x65 0x7b 0x83, V.Color240 241, V.brightBlack, V.black, V.black)
+
+solarizedBase0 :: ColorFallback
+solarizedBase0 = (V.rgbColor 0x83 0x94 0x96, V.Color240 244, V.brightBlack, V.white, V.white)
+
+solarizedBase1 :: ColorFallback
+solarizedBase1 = (V.rgbColor 0x93 0xa1 0xa1, V.Color240 245, V.brightWhite, V.white, V.white)
+
+solarizedBase2 :: ColorFallback
+solarizedBase2 = (V.rgbColor 0xee 0xe8 0xd5, V.Color240 254, V.brightWhite, V.white, V.white)
+
+solarizedBase3 :: ColorFallback
+solarizedBase3 = (V.rgbColor 0xfd 0xf6 0xe3, V.Color240 230, V.brightWhite, V.white, V.white)
+
+solarizedYellow :: ColorFallback
+solarizedYellow = (V.rgbColor 0xb5 0x89 0x00, V.Color240 136, V.brightYellow, V.yellow, V.white)
+
+solarizedOrange :: ColorFallback
+solarizedOrange = (V.rgbColor 0xcb 0x4b 0x16, V.Color240 166, V.brightRed, V.red, V.white)
+
+solarizedRed :: ColorFallback
+solarizedRed = (V.rgbColor 0xdc 0x32 0x2f, V.Color240 160, V.brightRed, V.red, V.white)
+
+solarizedMagenta :: ColorFallback
+solarizedMagenta = (V.rgbColor 0xd3 0x36 0x82, V.Color240 125, V.brightMagenta, V.magenta, V.white)
+
+solarizedViolet :: ColorFallback
+solarizedViolet = (V.rgbColor 0x6c 0x71 0xc4, V.Color240 61, V.brightBlue, V.blue, V.white)
+
+solarizedBlue :: ColorFallback
+solarizedBlue = (V.rgbColor 0x26 0x8b 0xd2, V.Color240 33, V.brightBlue, V.blue, V.white)
+
+solarizedCyan :: ColorFallback
+solarizedCyan = (V.rgbColor 0x2a 0xa1 0x98, V.Color240 37, V.brightCyan, V.cyan, V.white)
+
+solarizedGreen :: ColorFallback
+solarizedGreen = (V.rgbColor 0x85 0x99 0x00, V.Color240 106, V.brightGreen, V.green, V.white)
+
+githubOrange :: ColorFallback
+githubOrange = (V.rgbColor 0xd2 0x99 0x22, V.Color240 178, V.brightYellow, V.yellow, V.white)
+
+dimGray :: ColorFallback
+dimGray = (grayAtRGB 25, V.Color240 236, V.black, V.black, V.black)
+
+midGray :: ColorFallback
+midGray = (grayAtRGB 50, V.Color240 238, V.brightBlack, V.black, V.black)
+
+brightGray :: ColorFallback
+brightGray = (grayAtRGB 80, V.Color240 244, V.brightBlack, V.white, V.white)
+
+midWhite :: ColorFallback
+midWhite = (grayAtRGB 140, V.Color240 249, V.brightWhite, V.white, V.white)
+
+brightWhite :: ColorFallback
+brightWhite = (grayAtRGB 200, V.Color240 253, V.brightWhite, V.white, V.white)
+
+grayAtRGB :: Word8 -> V.Color
+grayAtRGB level = V.rgbColor level level level