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module Chelleport where
import Chelleport.AppShell (setupAppShell)
import qualified Chelleport.AppState as AppState
import Chelleport.Context (initializeContext)
import Chelleport.Control (anyAlphabetic, anyDigit, checkKey, ctrl, eventToKeycode, hjkl, hjklDirection, key, pressed, released, shift)
import Chelleport.KeySequence (keycodeToInt, toKeyChar)
import Chelleport.Types
import Chelleport.Utils ((<||>))
import qualified Chelleport.View as View
import Control.Monad.IO.Class (MonadIO)
import Control.Monad.Reader (ReaderT (runReaderT))
import Data.Maybe (fromMaybe)
import qualified SDL
run :: IO ()
run = do
ctx <- initializeContext
-- Cosplaying as elm
runAppWithCtx ctx $
setupAppShell ctx AppState.initialState AppState.update eventHandler View.render
where
runAppWithCtx :: (MonadIO m) => DrawContext -> AppM m x -> m x
runAppWithCtx ctx = (`runReaderT` ctx) . runAppM
eventHandler :: State -> SDL.Event -> Maybe AppAction
eventHandler state event =
case SDL.eventPayload event of
SDL.QuitEvent -> Just ShutdownApp
SDL.KeyboardEvent ev
-- Esc: Quit
| checkKey [key SDL.KeycodeEscape, pressed] ev ->
Just ShutdownApp
-- <C-s>: Enable search mode
| checkKey [ctrl, key SDL.KeycodeS, pressed] ev ->
Just $ SetMode defaultSearchMode
-- <C-t>: Enable hints mode
| checkKey [ctrl, key SDL.KeycodeT, pressed] ev ->
Just $ SetMode defaultHintsMode
-- <C-n>, <C-p>: Search increment next/prev
| checkKey [ctrl, key SDL.KeycodeN, pressed] ev ->
Just $ IncrementHighlightIndex (stateRepetition state)
| checkKey [ctrl, key SDL.KeycodeP, pressed] ev ->
Just $ IncrementHighlightIndex (-1 * stateRepetition state)
-- <C-hjkl>: Movement
| checkKey [ctrl, hjkl, pressed] ev ->
MoveMouseInDirection . hjklDirection <$> toKeyChar (eventToKeycode ev)
-- Space / Shift+Space : Left click/chain left click
| checkKey [key SDL.KeycodeSpace, pressed] ev ->
if shift ev
then Just $ ChainMouseClick LeftClick
else Just $ TriggerMouseClick LeftClick
-- Backspace: Reset keys
| checkKey [key SDL.KeycodeBackspace, pressed] ev ->
Just ResetKeys
-- <C-v>: Toggle mouse dragging
| checkKey [ctrl, key SDL.KeycodeV, pressed] ev ->
Just MouseDragToggle
-- minus / underscore: Right click/chain right click
| checkKey [key SDL.KeycodeMinus <||> key SDL.KeycodeUnderscore, pressed] ev ->
if shift ev
then Just $ ChainMouseClick RightClick
else Just $ TriggerMouseClick RightClick
-- 0-9: Repetition digit
| checkKey [anyDigit, not . ctrl, pressed] ev ->
Just $ UpdateRepetition (fromMaybe 0 $ keycodeToInt $ eventToKeycode ev)
-- A-Z: hint keys and search text
| checkKey [anyAlphabetic, not . ctrl, pressed] ev ->
Just $ HandleKeyInput $ eventToKeycode ev
-- Shift press/release: Toggle shift mode
| checkKey [pressed, key SDL.KeycodeRShift <||> key SDL.KeycodeLShift] ev ->
Just $ UpdateShiftState True
| checkKey [released, key SDL.KeycodeRShift <||> key SDL.KeycodeLShift] ev ->
Just $ UpdateShiftState False
_ -> Nothing
|
