151 lines
5.2 KiB
Haskell
151 lines
5.2 KiB
Haskell
{-# LANGUAGE CPP #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TypeApplications #-}
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{-# LANGUAGE RankNTypes #-}
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{-# LANGUAGE ViewPatterns #-}
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{-# OPTIONS_GHC -Wno-unused-record-wildcards #-}
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{-# OPTIONS_GHC -Wno-unused-matches #-}
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{-# OPTIONS_GHC -Wno-missing-signatures #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE BangPatterns #-}
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{-# LANGUAGE InstanceSigs #-}
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{-# LANGUAGE PatternSynonyms #-}
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{-
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This module contains common values used across the library. Crucially it contains two important types for the brick app:
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- Name: List all resources (widgets) used by the app. see https://github.com/jtdaugherty/brick/blob/master/docs/guide.rst#resource-names
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- Mode: Use to dispatch events and drawings. see: https://github.com/jtdaugherty/brick/issues/476#issuecomment-1629151920
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-}
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module GHCup.Brick.Common where
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import GHCup.List ( ListResult )
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import GHCup.Types ( Tool, KeyCombination (KeyCombination) )
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import Data.List (intercalate)
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import Prelude hiding ( appendFile )
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import qualified Graphics.Vty as Vty
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import Optics.TH (makeLenses)
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import Optics.Lens (toLensVL)
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import qualified Brick
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import qualified Brick.Widgets.Border as Border
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import Brick ((<+>))
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import qualified Data.Text as T
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import qualified Brick.Widgets.Center as Brick
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import qualified Brick.Widgets.Border.Style as Border
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-- We could use regular ADTs but different menus share the same options.
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-- example: all of ghcup compile ghc, ghcup compile hls, ghcup install cabal, etc...
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-- all have a --set, --force, etc... common arguments. If we went for the ADT we'd end up
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-- with SetCompileHLSOption, SetCompileGHCOption, SetInstallCabalOption, etc...
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-- which isn't terrible, but verbose enough to reject it.
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-- | A newtype for labeling resources in menus. It is bundled along with pattern synonyms
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newtype ResourceId = ResourceId Int deriving (Eq, Ord, Show)
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pattern OkButton = ResourceId 0
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pattern AdvanceInstallButton = ResourceId 100
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pattern CompilieButton = ResourceId 101
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pattern UrlEditBox = ResourceId 1
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pattern SetCheckBox = ResourceId 2
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pattern IsolateEditBox = ResourceId 3
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pattern ForceCheckBox = ResourceId 4
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pattern AdditionalEditBox = ResourceId 5
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-- | Name data type. Uniquely identifies each widget in the TUI.
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-- some constructors might end up unused, but still is a good practise
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-- to have all of them defined, just in case
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data Name = AllTools -- ^ The main list widget
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| Singular Tool -- ^ The particular list for each tool
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| KeyInfoBox -- ^ The text box widget with action informacion
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| TutorialBox -- ^ The tutorial widget
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| ContextBox -- ^ The Context Menu for a Tool
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| AdvanceInstallBox -- ^ The Menu for AdvanceInstall
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| MenuElement ResourceId -- ^ Each element in a Menu. Resources must not be share for visible
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-- Menus, but MenuA and MenuB can share resources if they both are
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-- invisible, or just one of them is visible.
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deriving (Eq, Ord, Show)
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-- | Mode type. It helps to dispatch events to different handlers.
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data Mode = Navigation
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| KeyInfo
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| Tutorial
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| ContextPanel
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| AdvanceInstallPanel
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deriving (Eq, Show, Ord)
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installedSign :: String
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#if IS_WINDOWS
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installedSign = "I "
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#else
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installedSign = "✓ "
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#endif
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setSign :: String
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#if IS_WINDOWS
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setSign = "IS"
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#else
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setSign = "✔✔"
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#endif
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notInstalledSign :: String
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#if IS_WINDOWS
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notInstalledSign = "X "
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#else
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notInstalledSign = "✗ "
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#endif
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showKey :: Vty.Key -> String
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showKey (Vty.KChar c) = [c]
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showKey Vty.KUp = "↑"
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showKey Vty.KDown = "↓"
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showKey key = tail (show key)
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showMod :: Vty.Modifier -> String
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showMod = tail . show
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-- | Given a KeyComb, produces a string widget with and user friendly text
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keyToWidget :: KeyCombination -> Brick.Widget n
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keyToWidget (KeyCombination key mods) = Brick.str $ intercalate "+" (showKey key : (showMod <$> mods))
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-- | A section separator with max width. Looks like this: -------- o --------
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separator :: Brick.Widget n
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separator = Border.hBorder <+> Brick.str " o " <+> Border.hBorder
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-- | Used to create a layer on top of the main navigation widget (tutorial, info, menus...)
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frontwardLayer :: T.Text -> Brick.Widget n -> Brick.Widget n
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frontwardLayer layer_name =
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Brick.centerLayer
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. Brick.hLimitPercent 75
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. Brick.vLimitPercent 50
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. Brick.withBorderStyle Border.unicode
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. Border.borderWithLabel (Brick.txt layer_name)
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-- I refuse to give this a type signature.
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-- | Given a lens, zoom on it. It is needed because Brick uses microlens but GHCup uses optics.
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zoom l = Brick.zoom (toLensVL l)
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data BrickData = BrickData
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{ _lr :: [ListResult]
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}
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deriving Show
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makeLenses ''BrickData
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data BrickSettings = BrickSettings { _showAllVersions :: Bool}
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--deriving Show
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makeLenses ''BrickSettings
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defaultAppSettings :: BrickSettings
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defaultAppSettings = BrickSettings False
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