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module Chelleport where
import Chelleport.AppShell (Action (AppAction, SysQuit), hideWindow, setupAppShell, shutdownApp)
import Chelleport.Control (isKeyPress, isKeyPressWith, moveMouse, triggerMouseLeftClick)
import Chelleport.KeySequence (eventToKeycode, findMatchPosition, generateKeyCells, isValidKey, nextChars, toKeyChar)
import Chelleport.Types
import qualified Chelleport.View
import qualified SDL
import Unsafe.Coerce (unsafeCoerce)
open :: IO ()
open = setupAppShell initialState update eventToAction Chelleport.View.render
initialState :: DrawContext -> IO State
initialState _ctx = do
let cells = generateKeyCells (rows, columns) hintKeys
pure $ State {stateCells = cells, stateKeySequence = []}
where
rows = 16
columns = 16
hintKeys = "ABCDEFGHIJKLMNOPRSTUVWXYZ1234567890"
update :: State -> DrawContext -> AppAction -> IO State
update state _ctx SetupGrid = pure state
update state ctx TriggerLeftClick = do
hideWindow ctx
triggerMouseLeftClick ctx
shutdownApp ctx
pure state
update state ctx (FilterSequence key) =
case validChars >>= (\chars -> (,chars) <$> toKeyChar key) of
Just (keyChar, validChars')
| keyChar `elem` validChars' -> do
(SDL.V2 width height) <- SDL.get $ SDL.windowSize $ ctxWindow ctx
let newKeySequence = stateKeySequence state ++ [keyChar]
let rows = stateCells state
let wcell = width `div` unsafeCoerce (length $ head rows)
let hcell = height `div` unsafeCoerce (length rows)
case findMatchPosition newKeySequence rows of
Just (row, col) -> do
moveMouse ctx (wcell * unsafeCoerce col) (hcell * unsafeCoerce row)
Nothing -> pure ()
pure state {stateKeySequence = newKeySequence}
_ -> pure state
where
validChars = nextChars (stateKeySequence state) (stateCells state)
eventToAction :: State -> SDL.Event -> Maybe (Action AppAction)
eventToAction _state event =
case SDL.eventPayload event of
-- SDL.WindowShownEvent _ -> Just $ AppAction SetupGrid
SDL.QuitEvent -> Just SysQuit
SDL.KeyboardEvent ev
| isKeyPressWith ev SDL.KeycodeQ -> Just SysQuit
| isKeyPressWith ev SDL.KeycodeEscape -> Just SysQuit
| isKeyPressWith ev SDL.KeycodeSpace -> Just $ AppAction TriggerLeftClick
| isKeyPress ev && isValidKey (eventToKeycode ev) ->
Just $ AppAction $ FilterSequence $ eventToKeycode ev
_ -> Nothing
|
