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module Chelleport where
import Chelleport.AppShell (Action (AppAction, SysQuit), EventHandler, Update, hideWindow, setupAppShell)
import Chelleport.Control (isKeyPress, isKeyPressWith, moveMouse, triggerMouseLeftClick)
import Chelleport.Draw (windowSize)
import Chelleport.KeySequence (eventToKeycode, findMatchPosition, generateKeyCells, isValidKey, nextChars, toKeyChar)
import Chelleport.Types
import Chelleport.Utils (intToCInt)
import qualified Chelleport.View
import qualified SDL
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 = 12
columns = 12
hintKeys = "ABCDEFGHIJKLMNOPRSTUVWXYZ1234567890"
update :: Update State AppAction
update state _ctx (FilterSequence key) =
case liftA2 (,) (toKeyChar key) validChars of
Just (keyChar, validChars')
| keyChar `elem` validChars' -> do
let newKeySequence = stateKeySequence state ++ [keyChar]
let matchPosition = findMatchPosition newKeySequence $ stateCells state
pure
( state {stateKeySequence = newKeySequence},
AppAction . MoveMousePosition <$> matchPosition
)
_ -> pure (state, Nothing)
where
validChars = nextChars (stateKeySequence state) (stateCells state)
update state ctx (MoveMousePosition (row, col)) = do
(x, y) <- getPosition
moveMouse ctx x y
pure (state, Nothing)
where
cellDimensions = do
(SDL.V2 width height) <- windowSize ctx
let rows = stateCells state
let wcell = width `div` intToCInt (length $ head rows)
let hcell = height `div` intToCInt (length rows)
pure (wcell, hcell)
getPosition = do
(wcell, hcell) <- cellDimensions
let x = (wcell `div` 2) + wcell * intToCInt col
let y = (hcell `div` 2) + hcell * intToCInt row
pure (x, y)
update state _ctx ResetKeys = pure (state {stateKeySequence = []}, Nothing)
update state ctx TriggerLeftClick = do
hideWindow ctx
triggerMouseLeftClick ctx
pure (state, Just SysQuit)
eventToAction :: EventHandler State AppAction
eventToAction _state event =
case SDL.eventPayload event of
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
| isKeyPressWith ev SDL.KeycodeTab -> Just $ AppAction ResetKeys
| isKeyPress ev && isValidKey (eventToKeycode ev) ->
Just $ AppAction $ FilterSequence $ eventToKeycode ev
_ -> Nothing
|
