module Graphics.Gloss.Internals.Interface.Display
(displayInWindow)
where
import Graphics.Gloss.Data.Color
import Graphics.Gloss.Data.Picture
import Graphics.Gloss.Internals.Render.Picture
import Graphics.Gloss.Internals.Render.ViewPort
import Graphics.Gloss.Internals.Interface.Window
import Graphics.Gloss.Internals.Interface.Common.Exit
import Graphics.Gloss.Internals.Interface.ViewPort
import Graphics.Gloss.Internals.Interface.ViewPort.KeyMouse
import Graphics.Gloss.Internals.Interface.ViewPort.Motion
import Graphics.Gloss.Internals.Interface.ViewPort.Reshape
import qualified Graphics.Gloss.Internals.Render.Options as RO
import qualified Graphics.Gloss.Internals.Interface.ViewPort.ControlState as VPC
import qualified Graphics.Gloss.Internals.Interface.Callback as Callback
import Data.IORef
import Control.Concurrent
displayInWindow
:: String
-> (Int, Int)
-> (Int, Int)
-> Color
-> Picture
-> IO ()
displayInWindow name size pos background picture
= do
viewSR <- newIORef viewPortInit
viewControlSR <- newIORef VPC.stateInit
renderSR <- newIORef RO.optionsInit
let renderFun = do
view <- readIORef viewSR
options <- readIORef renderSR
withViewPort
view
(renderPicture options view picture)
let callbacks
= [ Callback.Display renderFun
, Callback.Idle (threadDelay 1000)
, callback_exit ()
, callback_viewPort_keyMouse viewSR viewControlSR
, callback_viewPort_motion viewSR viewControlSR
, callback_viewPort_reshape ]
createWindow name size pos background callbacks