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module Chelleport.AppState (initialState, update) where
import Chelleport.AppShell (MonadAppShell (hideWindow, showWindow, shutdownApp))
import Chelleport.Control (MonadControl (..), directionalIncrement, hjklDirection)
import Chelleport.Draw (MonadDraw (windowPosition, windowSize), pointerPositionIncrement, screenPositionFromCellPosition, wordPosition)
import Chelleport.KeySequence (findMatchPosition, generateGrid, nextChars, toKeyChar)
import Chelleport.OCR (MonadOCR (captureScreenshot), getWordsInImage)
import Chelleport.Types
import Chelleport.Utils (cIntToInt, clamp, intToCInt, isEmpty, itemAt)
import Control.Monad (replicateM_)
import Data.Char (toLower)
import Data.List (isInfixOf)
import Data.Maybe (fromMaybe, isJust)
initialState :: (Monad m) => m (State, Maybe AppAction)
initialState = do
let cells = fromMaybe (pure undefined) $ generateGrid 0 (rows, columns) hintKeys
pure (defaultAppState {stateGrid = cells}, Just $ SetMode defaultHintsMode)
where
rows = 9
columns = 16
hintKeys = ['A' .. 'Z']
update :: (MonadAppShell m, MonadDraw m, MonadControl m, MonadOCR m) => State -> AppAction -> m (State, Maybe AppAction)
-- Chain clicks
update state (ChainMouseClick btn) = do
hideWindow
replicateM_ (stateRepetition state) $ clickMouseButton btn
showWindow
pure (state {stateRepetition = 1}, Just ResetKeys)
-- HINTS MODE: Act on key inputs
update state@(State {stateMode = ModeHints}) (HandleKeyInput keycode) = do
case (toKeyChar keycode, validNextKeys) of
(Just keyChar, Just validChars')
| stateIsMatched state && keyChar `elem` ("HJKL" :: String) -> do
pure (state, Just $ MoveMouseInDirection $ hjklDirection keyChar)
| keyChar `elem` validChars' -> do
let newKeySequence = stateKeySequence state ++ [keyChar]
let matchPosition = findMatchPosition newKeySequence $ stateGrid state
let state' = state {stateKeySequence = newKeySequence, stateIsMatched = isJust matchPosition}
action <- traverse (fmap MoveMousePosition . screenPositionFromCellPosition state) matchPosition
pure (state', action)
_ -> pure (state, Nothing)
where
validNextKeys = nextChars (stateKeySequence state) (stateGrid state)
-- SEARCH MODE: Act on key inputs
update state@(State {stateMode = ModeSearch {searchWords, searchInputText}}) (HandleKeyInput keycode) = do
case toKeyChar keycode of
Just keyChar -> do
let searchText = searchInputText ++ [toLower keyChar]
let matches = filterMatches searchText
let highlightedIndex = clamp (0, length matches - 1) (searchHighlightedIndex mode)
let updatedMode =
mode
{ searchInputText = searchText,
searchFilteredWords = matches,
searchHighlightedIndex = highlightedIndex
}
let highlightedWord = matches `itemAt` highlightedIndex
action <- traverse (fmap MoveMousePosition . wordPosition) highlightedWord
pure (state {stateMode = updatedMode}, action)
_ -> do
pure (state, Nothing)
where
mode = stateMode state
filterMatches text
| isEmpty text = searchWords
| otherwise = filter (isInfixOf text . map toLower . matchText) searchWords
-- Increment highlighted index for search mode
update state (IncrementHighlightIndex n) = do
case stateMode state of
ModeSearch {} -> do
action <- traverse (fmap MoveMousePosition . wordPosition) highlightedWord
pure (state {stateRepetition = 1, stateMode = mode {searchHighlightedIndex = highlightedIndexClamped}}, action)
where
highlightedWord = searchFilteredWords mode `itemAt` highlightedIndex
highlightedIndex = searchHighlightedIndex mode + n
highlightedIndexClamped =
if highlightedIndex < 0
then length (searchFilteredWords mode) - 1
else highlightedIndex `mod` length (searchFilteredWords mode)
mode = stateMode state
_ -> pure (state, Nothing)
-- Move mouse incrementally
update state (IncrementMouseCursor (incX, incY)) = do
(curX, curY) <- getMousePointerPosition
let count = stateRepetition state
let pos = (cIntToInt curX + count * incX, cIntToInt curY + count * incY)
pure (state {stateRepetition = 1}, Just $ MoveMousePosition pos)
-- Mouse button release
update state MouseDragEnd = do
hideWindow
releaseMouseButton
showWindow
pure (state {stateRepetition = 1}, Nothing)
-- Mouse button press
update state MouseDragStart = do
hideWindow
pressMouseButton
showWindow
pure (state {stateRepetition = 1}, Nothing)
-- Mouse dragging
update state MouseDragToggle
| stateIsDragging state = pure (state {stateIsDragging = False}, Just MouseDragEnd)
| otherwise = do pure (state {stateIsDragging = True}, Just MouseDragStart)
-- Apply movement in given direction
update state (MoveMouseInDirection direction) = do
incr <- pointerPositionIncrement state
pure (state, Just $ IncrementMouseCursor $ directionalIncrement incr direction)
-- Move mouse to given position
update state (MoveMousePosition (x, y)) = do
moveMousePointer (intToCInt x) (intToCInt y)
pure (state, Nothing)
-- Reset entered key sequence and state
update state ResetKeys = do
pure
( state
{ stateKeySequence = [],
stateIsMatched = False,
stateRepetition = 1,
stateMode = resetMode (stateMode state)
},
Nothing
)
where
resetMode mode@ModeHints = mode
resetMode (ModeSearch {searchWords}) =
defaultSearchMode {searchWords = searchWords, searchFilteredWords = searchWords}
-- Set mode
update state (SetMode mode) = do
case mode of
ModeHints -> pure (state {stateMode = mode}, Nothing)
ModeSearch {} -> do
position <- windowPosition
size <- windowSize
screenshot <- hideWindow >> captureScreenshot position size <* showWindow
matches <- getWordsInImage screenshot
let updatedMode = mode {searchWords = matches, searchFilteredWords = matches}
pure (state {stateMode = updatedMode}, Nothing)
-- Cleanup everything and exit
update state ShutdownApp = do
shutdownApp
pure (state, Nothing)
-- Trigger click
update state (TriggerMouseClick btn) = do
hideWindow
replicateM_ (stateRepetition state) $ clickMouseButton btn
pure (state {stateRepetition = 1}, Just ShutdownApp)
-- Set repetition count
update state (UpdateRepetition count) = do
pure (state {stateRepetition = max 1 count}, Nothing)
-- Set/unset whether shift is pressed
update state (UpdateShiftState shiftPressed) =
pure (state {stateIsShiftPressed = shiftPressed}, Nothing)
|
