worked on storing widgets in HashMap and referencing via Id
incorporated Pioneers monad into ui operations !!still WIP, does not compile (TODO: UIOperations, Callbacks, Main?, Types?)!!
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tpajenka
parent
a9a97f7544
commit
6879201c53
@ -5,12 +5,14 @@ import Control.Concurrent.STM (TQueue)
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import qualified Graphics.Rendering.OpenGL.GL as GL
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import Graphics.UI.SDL as SDL (Event, Window)
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import Foreign.C (CFloat)
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import qualified Data.HashMap.Strict as Map
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import Data.Time (UTCTime)
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import Linear.Matrix (M44)
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import Control.Monad.RWS.Strict (RWST)
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import Control.Lens
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import Graphics.Rendering.OpenGL.GL.Texturing.Objects (TextureObject)
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import Render.Types
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import UI.UIBaseData
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--Static Read-Only-State
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@ -112,6 +114,7 @@ data GLState = GLState
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data UIState = UIState
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{ _uiHasChanged :: !Bool
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, _uiMap :: Map.HashMap UIId (GUIAny Pioneers)
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}
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data State = State
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@ -125,6 +128,9 @@ data State = State
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, _ui :: !UIState
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}
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type Pioneers = RWST Env () State IO
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-- when using TemplateHaskell order of declaration matters
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$(makeLenses ''State)
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$(makeLenses ''GLState)
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$(makeLenses ''GLMapState)
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@ -140,5 +146,3 @@ $(makeLenses ''Position)
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$(makeLenses ''Env)
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$(makeLenses ''UIState)
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type Pioneers = RWST Env () State IO
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@ -4,7 +4,9 @@ module UI.Callbacks where
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import Control.Monad.Trans (liftIO)
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import Types
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import UI.UITypes
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import UI.UIBaseData
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import UI.UIClasses
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import UI.UIOperations
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import qualified Graphics.Rendering.OpenGL.GL as GL
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import Control.Lens ((^.), (.~), (%~))
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@ -1,17 +1,15 @@
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{-# LANGUAGE InstanceSigs, MultiParamTypeClasses, FlexibleInstances #-}
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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
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module UI.UIBaseData where
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import Data.Hashable
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import Data.List
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import Foreign.C (CFloat)
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import Linear.Matrix (M44)
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import Data.Ix
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-- |Unit of screen/window
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type ScreenUnit = Int
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newtype UIId = Int deriving (Eq,Ord,Show,Read,Bounded,Ix,Hashable)
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newtype UIId = UId Int deriving (Eq,Ord,Show,Read,Bounded,Ix,Hashable)
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-- |The state of a clickable ui widget.
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data UIButtonState = UIButtonState
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@ -31,12 +29,12 @@ data UIButtonState = UIButtonState
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-- |Switches primary and secondary mouse actions.
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-- "monad type" "widget type" "original handler"
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data MouseHandlerSwitch w h = MouseHandlerSwitch h deriving (Eq, Show)
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data MouseHandlerSwitch h = MouseHandlerSwitch h deriving (Eq, Show)
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-- |A 'UI.UIClasses.MouseHandler' with button behaviour.
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data ButtonHandler m w = ButtonHandler
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{ _action :: (w -> ScreenUnit -> ScreenUnit -> m w) }
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instance Show (ButtonHandler w) where
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instance Show (ButtonHandler m w) where
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show _ = "ButtonHandler ***"
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-- |A collection data type that may hold any usable ui element. @m@ is a monad.
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@ -48,10 +46,10 @@ data GUIAny m = GUIAnyC GUIContainer
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-- |A 'GUIContainer' is a widget that may contain additional widgets but does not have a
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-- functionality itself.
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data GUIContainer = GUIContainer { _screenX :: ScreenUnit, _screenY :: ScreenUnit
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, _width :: ScreenUnit, _height :: ScreenUnit
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, _children :: [UIId]
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, _priority :: Int
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data GUIContainer = GUIContainer { _uiScreenX :: ScreenUnit, _uiScreenY :: ScreenUnit
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, _uiWidth :: ScreenUnit, _uiHeight :: ScreenUnit
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, _uiChildren :: [UIId]
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, _uiPriority :: Int
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} deriving (Show)
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-- |A 'GUIPanel' is much like a 'GUIContainer' but it resizes automatically according to its
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@ -60,16 +58,16 @@ data GUIPanel = GUIPanel { _panelContainer :: GUIContainer} deriving (Show)
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-- |A 'GUIButton' is a clickable 'GUIWidget'. Its functinality must be
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-- provided by an appropriate 'MouseHanlder'.
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data GUIButton = GUIButton { _screenXB :: ScreenUnit, _screenYB :: ScreenUnit
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, _widthB :: ScreenUnit, _heightB :: ScreenUnit
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, _priorityB :: Int
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, _buttonState :: UIButtonState
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data GUIButton = GUIButton { _uiScreenXB :: ScreenUnit, _uiScreenYB :: ScreenUnit
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, _uiWidthB :: ScreenUnit, _uiHeightB :: ScreenUnit
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, _uiPriorityB :: Int
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, _uiButtonState :: UIButtonState
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} deriving ()
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instance Show GUIButton where
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show w = "GUIButton {_screenXB = " ++ show (_screenXB w)
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++ " _screenYB = " ++ show (_screenYB w)
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++ " _widthB = " ++ show (_widthB w)
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++ " _heightB = " ++ show (_heightB w)
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++ " _priorityB = " ++ show (_screenYB w)
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++ " _buttonState = " ++ show (_buttonState w)
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show w = "GUIButton {_screenXB = " ++ show (_uiScreenXB w)
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++ " _screenYB = " ++ show (_uiScreenYB w)
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++ " _widthB = " ++ show (_uiWidthB w)
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++ " _heightB = " ++ show (_uiHeightB w)
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++ " _priorityB = " ++ show (_uiScreenYB w)
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++ " _buttonState = " ++ show (_uiButtonState w)
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++ "}"
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@ -2,21 +2,30 @@
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module UI.UIClasses where
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import Types
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import Control.Lens ((^.))
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import Control.Monad
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--import Control.Monad.IO.Class -- MonadIO
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import Control.Monad.RWS.Strict (get)
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import Data.List
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import Data.Maybe
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import qualified Data.HashMap.Strict as Map
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class GUIAnyMap w where
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guiAnyMap :: (w -> b) -> GUIAny -> b
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import qualified Types as T
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import UI.UIBaseData
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class (GUIAnyMap uiw) => GUIWidget m uiw where
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class GUIAnyMap m w where
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guiAnyMap :: (w -> b) -> GUIAny m -> b
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class (Monad m) => GUIWidget m uiw where
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-- |The 'getBoundary' function gives the outer extents of the 'UIWidget'.
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-- The bounding box wholly contains all children components.
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getBoundary :: uiw -> m (ScreenUnit, ScreenUnit, ScreenUnit ,ScreenUnit) -- ^@(x, y, width, height)@ in pixels (screen coordinates)
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getBoundary :: uiw -> m (ScreenUnit, ScreenUnit, ScreenUnit, ScreenUnit) -- ^@(x, y, width, height)@ in pixels (screen coordinates)
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-- |The 'getChildren' function returns all children associated with this widget.
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--
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-- All children must be wholly inside the parent's bounding box specified by 'getBoundary'.
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getChildren :: uiw -> m [UIId]
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getChildren _ = []
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getChildren _ = return []
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-- |The function 'isInsideSelf' tests whether a point is inside the widget itself.
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-- A screen position may be inside the bounding box of a widget but not considered part of the
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@ -28,13 +37,14 @@ class (GUIAnyMap uiw) => GUIWidget m uiw where
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-> ScreenUnit -- ^screen y coordinate
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-> uiw -- ^the parent widget
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-> m Bool
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isInsideSelf x' y' wg = let (x, y, w, h) = getBoundary wg
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in (x' - x <= w) && (x' - x >= 0) && (y' - y <= h) && (y' - y >= 0)
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isInsideSelf x' y' wg = do
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(x, y, w, h) <- getBoundary wg
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return $ (x' - x <= w) && (x' - x >= 0) && (y' - y <= h) && (y' - y >= 0)
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-- |The 'getPriority' function returns the priority score of a 'GUIWidget'.
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-- A widget with a high score is more in the front than a low scored widget.
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getPriority :: uiw -> m Int
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getPriority _ = 0
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getPriority _ = return 0
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-- |The 'getShorthand' function returns a descriptive 'String' mainly for debuggin prupose.
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-- The shorthand should be unique for each instance.
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@ -50,7 +60,7 @@ class GUIClickable w where
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setButtonState s = updateButtonState (\_ -> s)
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getButtonState :: w -> UIButtonState
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class MouseHandler a m w where
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class Monad m => MouseHandler a m w where
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-- |The function 'onMousePressed' is called when the primary button is pressed
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-- while inside a screen coordinate within the widget ('isInside').
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onMousePressed :: ScreenUnit -- ^screen x coordinate
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@ -111,7 +121,7 @@ class MouseHandler a m w where
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-> a -> m (w, a) -- ^widget after the event and the altered handler
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onMouseLeave _ _ wg a = return (wg, a)
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instance (MouseHandler h m w) => MouseHandler (MouseHandlerSwitch w h) w where
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instance (MouseHandler h m w) => MouseHandler (MouseHandlerSwitch h) m w where
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onMousePressed x y w (MouseHandlerSwitch h) = do
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(w', h') <- onMousePressedAlt x y w h
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return (w', MouseHandlerSwitch h')
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@ -134,9 +144,9 @@ instance (MouseHandler h m w) => MouseHandler (MouseHandlerSwitch w h) w where
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(w', h') <- onMouseLeave x y w h
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return (w', MouseHandlerSwitch h')
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instance (GUIClickable w) => MouseHandler (ButtonHandler m w) w where
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instance (Monad m, GUIClickable w) => MouseHandler (ButtonHandler m w) m w where
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-- |Change 'UIButtonState's '_buttonstateIsFiring' to @True@.
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onMousePressed _ _ wg h = do
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onMousePressed _ _ wg h =
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return (updateButtonState (\s -> s {_buttonstateIsFiring = True}) wg, h)
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-- |Change 'UIButtonState's '_buttonstateIsFiring' to @False@ and
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@ -173,10 +183,10 @@ instance (GUIClickable w) => MouseHandler (ButtonHandler m w) w where
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}) wg
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, h)
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instance GUIAnyMap (GUIAny m) where
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instance (Monad m) => GUIAnyMap m (GUIAny m) where
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guiAnyMap f w = f w
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instance GUIWidget m (GUIAny m) where
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instance GUIWidget T.Pioneers (GUIAny T.Pioneers) where
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getBoundary (GUIAnyC w) = getBoundary w
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getBoundary (GUIAnyP w) = getBoundary w
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getBoundary (GUIAnyB w _) = getBoundary w
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@ -186,36 +196,35 @@ instance GUIWidget m (GUIAny m) where
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isInsideSelf x y (GUIAnyC w) = (isInsideSelf x y) w
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isInsideSelf x y (GUIAnyP w) = (isInsideSelf x y) w
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isInsideSelf x y (GUIAnyB w _) = (isInsideSelf x y) w
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isInside x y (GUIAnyC w) = (isInside x y) w
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isInside x y (GUIAnyP w) = (isInside x y) w
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isInside x y (GUIAnyB w _) = (isInside x y) w
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getPriority (GUIAnyC w) = getPriority w
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getPriority (GUIAnyP w) = getPriority w
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getPriority (GUIAnyB w _) = getPriority w
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getShorthand (GUIAnyC w) = "A" ++ getShorthand w
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getShorthand (GUIAnyP w) = "A" ++ getShorthand w
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getShorthand (GUIAnyB w _) = "A" ++ getShorthand w
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getShorthand (GUIAnyC w) = do { str <- getShorthand w; return $ "A" ++ str }
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getShorthand (GUIAnyP w) = do { str <- getShorthand w; return $ "A" ++ str }
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getShorthand (GUIAnyB w _) = do { str <- getShorthand w; return $ "A" ++ str }
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instance GUIAnyMap GUIContainer where
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instance (Monad m) => GUIAnyMap m GUIContainer where
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guiAnyMap f (GUIAnyC c) = f c
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guiAnyMap _ _ = error "invalid types in guiAnyMap"
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instance GUIWidget m GUIContainer where
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instance (Monad m) => GUIWidget m GUIContainer where
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getBoundary :: GUIContainer -> m (ScreenUnit, ScreenUnit, ScreenUnit ,ScreenUnit)
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getBoundary cnt = return (_screenX cnt, _screenY cnt, _width cnt, _height cnt)
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getChildren cnt = return $ _children cnt
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getPriority cnt = return $ _priority cnt
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getBoundary cnt = return (_uiScreenX cnt, _uiScreenY cnt, _uiWidth cnt, _uiHeight cnt)
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getChildren cnt = return $ _uiChildren cnt
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getPriority cnt = return $ _uiPriority cnt
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getShorthand _ = return $ "CNT"
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-- |A 'GUIPanel' is much like a 'GUIContainer' but it resizes automatically according to its
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-- children components.
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data GUIPanel = GUIPanel { _panelContainer :: GUIContainer} deriving (Show)
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instance GUIAnyMap GUIPanel where
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instance GUIAnyMap m GUIPanel where
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guiAnyMap f (GUIAnyP p) = f p
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guiAnyMap _ _ = error "invalid types in guiAnyMap"
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instance GUIWidget m GUIPanel where
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getBoundary pnl = case getChildren $ _panelContainer pnl of
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instance GUIWidget T.Pioneers GUIPanel where
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getBoundary pnl = do
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state <- get
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let hmap = state ^. T.ui . T.uiMap
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case _uiChildren $ _panelContainer pnl of
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[] -> getBoundary $ _panelContainer pnl
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cs -> foldl1' determineSize $ map getBoundary cs
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cs -> do
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let widgets = catMaybes $ map (flip Map.lookup hmap) cs
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foldl' (liftM2 determineSize) (getBoundary $ _panelContainer pnl) $ map getBoundary widgets
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where
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determineSize :: (ScreenUnit, ScreenUnit, ScreenUnit ,ScreenUnit) -> (ScreenUnit, ScreenUnit, ScreenUnit ,ScreenUnit) -> (ScreenUnit, ScreenUnit, ScreenUnit ,ScreenUnit)
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determineSize (x, y, w, h) (x', y', w', h') =
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@ -225,18 +234,18 @@ instance GUIWidget m GUIPanel where
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h'' = if y' + h' > y + h then y' + h' - y'' else y + h - y''
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in (x'', y'', w'', h'')
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getChildren pnl = return $ getChildren $ _panelContainer pnl
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getPriority pnl = return $ getPriority $ _panelContainer pnl
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getChildren pnl = getChildren $ _panelContainer pnl
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getPriority pnl = getPriority $ _panelContainer pnl
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getShorthand _ = return $ "PNL"
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instance GUIAnyMap GUIButton where
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instance (Monad m) => GUIAnyMap m GUIButton where
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guiAnyMap f (GUIAnyB btn _) = f btn
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guiAnyMap _ _ = error "invalid types in guiAnyMap"
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instance GUIClickable GUIButton where
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getButtonState = _buttonState
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updateButtonState f btn = btn {_buttonState = f $ _buttonState btn}
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instance GUIWidget m GUIButton where
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getBoundary btn = return (_screenXB btn, _screenYB btn, _widthB btn, _heightB btn)
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getButtonState = _uiButtonState
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updateButtonState f btn = btn {_uiButtonState = f $ _uiButtonState btn}
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instance (Monad m) => GUIWidget m GUIButton where
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getBoundary btn = return (_uiScreenXB btn, _uiScreenYB btn, _uiWidthB btn, _uiHeightB btn)
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getChildren _ = return []
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getPriority btn = return $ _priorityB btn
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getPriority btn = return $ _uiPriorityB btn
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getShorthand _ = return "BTN"
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@ -1,6 +1,6 @@
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module UI.UIOperations where
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import Data.HashMap.Strict
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import qualified Data.HashMap.Strict as Map
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import UI.UIBaseData
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import UI.UIClasses
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Block a user