5 files changed, 21 insertions, 9 deletions
diff --git a/src/Chelleport/Control.hs b/src/Chelleport/Control.hs
index 7b58fdf..0fd01cc 100644
--- a/src/Chelleport/Control.hs
+++ b/src/Chelleport/Control.hs
@@ -26,6 +26,16 @@ currentMousePosition _ctx = do
 isKeyPress :: SDL.KeyboardEventData -> Bool
 isKeyPress = (== SDL.Pressed) . SDL.keyboardEventKeyMotion
 
+isKeyRelease :: SDL.KeyboardEventData -> Bool
+isKeyRelease = (== SDL.Released) . SDL.keyboardEventKeyMotion
+
+eventToKeycode :: SDL.KeyboardEventData -> SDL.Keycode
+eventToKeycode = SDL.keysymKeycode . SDL.keyboardEventKeysym
+
 isKeyPressWith :: SDL.KeyboardEventData -> SDL.Keycode -> Bool
 isKeyPressWith keyboardEvent keyCode =
-  isKeyPress keyboardEvent && SDL.keysymKeycode (SDL.keyboardEventKeysym keyboardEvent) == keyCode
+  isKeyPress keyboardEvent && eventToKeycode keyboardEvent == keyCode
+
+isKeyReleaseWith :: SDL.KeyboardEventData -> SDL.Keycode -> Bool
+isKeyReleaseWith keyboardEvent keyCode =
+  isKeyRelease keyboardEvent && eventToKeycode keyboardEvent == keyCode
diff --git a/src/Chelleport/Draw.hs b/src/Chelleport/Draw.hs
index 9ace9da..4ee5b31 100644
--- a/src/Chelleport/Draw.hs
+++ b/src/Chelleport/Draw.hs
@@ -23,7 +23,10 @@ colorHighlight :: SDL.V4 Word8
 colorHighlight = colorAccent
 
 colorGridLines :: SDL.V4 Word8
-colorGridLines = SDL.V4 127 29 29 150
+colorGridLines = colorGray -- SDL.V4 127 29 29 150
+
+colorFocusLines :: SDL.V4 Word8
+colorFocusLines = colorLightGray
 
 colorAxisLines :: SDL.V4 Word8
 colorAxisLines = colorAccent
diff --git a/src/Chelleport/KeySequence.hs b/src/Chelleport/KeySequence.hs
index 9f7b5db..d92fe0e 100644
--- a/src/Chelleport/KeySequence.hs
+++ b/src/Chelleport/KeySequence.hs
@@ -53,9 +53,6 @@ generateGrid seed (rows, columns) hintKeys
 toKeyChar :: SDL.Keycode -> Maybe Char
 toKeyChar = (`Map.lookup` keycodeMapping)
 
-eventToKeycode :: SDL.KeyboardEventData -> SDL.Keycode
-eventToKeycode = SDL.keysymKeycode . SDL.keyboardEventKeysym
-
 keycodeMapping :: Map.Map SDL.Keycode Char
 keycodeMapping =
   Map.fromList
diff --git a/src/Chelleport/Types.hs b/src/Chelleport/Types.hs
index 2238019..15d16f4 100644
--- a/src/Chelleport/Types.hs
+++ b/src/Chelleport/Types.hs
@@ -13,7 +13,8 @@ type KeyGrid = [[Cell]]
 data State = State
   { stateGrid :: KeyGrid,
     stateKeySequence :: KeySequence,
-    stateIsMatched :: Bool
+    stateIsMatched :: Bool,
+    stateIsShiftPressed :: Bool
   }
 
 data AppAction
@@ -22,6 +23,7 @@ data AppAction
   | ResetKeys
   | TriggerLeftClick
   | IncrementMouseCursor (Int, Int)
+  | UpdateShiftState Bool
 
 data DrawContext = DrawContext
   { ctxWindow :: SDL.Window,
diff --git a/src/Chelleport/View.hs b/src/Chelleport/View.hs
index 2ac90a7..1ead214 100644
--- a/src/Chelleport/View.hs
+++ b/src/Chelleport/View.hs
@@ -6,12 +6,12 @@ import Chelleport.Utils (intToCInt, isEmpty, isNotEmpty)
 import Control.Monad (forM_, unless, void, when)
 import Data.IORef (modifyIORef', newIORef, readIORef)
 import Data.List (isPrefixOf)
+import Data.Maybe (isJust)
 import qualified Data.Text as Text
 import qualified Data.Vector.Storable as Vector
 import Foreign.C (CInt)
 import SDL (($=))
 import qualified SDL
-import Data.Maybe (isJust)
 
 render :: State -> DrawContext -> IO ()
 render state ctx = do
@@ -66,12 +66,12 @@ renderGridLines state ctx@(DrawContext {ctxRenderer = renderer}) = do
   let rows = intToCInt $ length grid
   let columns = intToCInt $ length $ head grid
   forM_ [0 .. rows] $ \rowIndex -> do
-    SDL.rendererDrawColor renderer $= colorGray
+    SDL.rendererDrawColor renderer $= colorFocusLines
     drawHorizontalLine ctx (rowIndex * hcell + hcell `div` 2)
     SDL.rendererDrawColor renderer $= colorGridLines
     drawHorizontalLine ctx $ rowIndex * hcell
   forM_ [0 .. columns] $ \colIndex -> do
-    SDL.rendererDrawColor renderer $= colorGray
+    SDL.rendererDrawColor renderer $= colorFocusLines
     drawVerticalLine ctx (colIndex * wcell + wcell `div` 2)
     SDL.rendererDrawColor renderer $= colorGridLines
     drawVerticalLine ctx $ colIndex * wcell