summaryrefslogtreecommitdiffstats
path: root/src/TextViewport/Viewport/Instance.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src/TextViewport/Viewport/Instance.hs')
-rw-r--r--src/TextViewport/Viewport/Instance.hs52
1 files changed, 26 insertions, 26 deletions
diff --git a/src/TextViewport/Viewport/Instance.hs b/src/TextViewport/Viewport/Instance.hs
index 3d0568e..1bafcbd 100644
--- a/src/TextViewport/Viewport/Instance.hs
+++ b/src/TextViewport/Viewport/Instance.hs
@@ -12,65 +12,65 @@ import TextViewport.Viewport.Viewport (Viewport, clampViewport, mkViewport)
import TextViewport.Viewport.Viewport qualified as Viewport
-data ViewportInstance = ViewportInstance
+data Instance = Instance
{ viRender :: RenderState
, viView :: Viewport
} deriving (Show)
-mkViewportInstance :: Int -> Int -> Buffer -> ViewportInstance
-mkViewportInstance width height buf =
+mkInstance :: Int -> Int -> Buffer -> Instance
+mkInstance width height buf =
let rs = mkRenderState width buf
vp = mkViewport width height rs
- in ViewportInstance rs vp
+ in Instance rs vp
-visibleLines :: ViewportInstance -> [RenderedLine]
-visibleLines (ViewportInstance rs vp) =
+visibleLines :: Instance -> [RenderedLine]
+visibleLines (Instance rs vp) =
take (Viewport.vpHeight vp) . drop (Viewport.vpOffset vp) . RenderedBuffer.flatten $ RenderState.rsRendered rs
-applyToInstance :: (Viewport -> Viewport) -> ViewportInstance -> ViewportInstance
-applyToInstance f (ViewportInstance rs vp) =
+applyToInstance :: (Viewport -> Viewport) -> Instance -> Instance
+applyToInstance f (Instance rs vp) =
let vp' = f vp
- in ViewportInstance rs (clampViewport rs vp')
+ in Instance rs (clampViewport rs vp')
-applyToInstanceRS :: (RenderState -> Viewport -> Viewport) -> ViewportInstance -> ViewportInstance
-applyToInstanceRS f (ViewportInstance rs vp) =
+applyToInstanceRS :: (RenderState -> Viewport -> Viewport) -> Instance -> Instance
+applyToInstanceRS f (Instance rs vp) =
let vp' = f rs vp
- in ViewportInstance rs (clampViewport rs vp')
+ in Instance rs (clampViewport rs vp')
-scrollByI :: Int -> ViewportInstance -> ViewportInstance
+scrollByI :: Int -> Instance -> Instance
scrollByI delta = applyToInstance (Viewport.scrollBy delta)
-scrollUpI :: Int -> ViewportInstance -> ViewportInstance
+scrollUpI :: Int -> Instance -> Instance
scrollUpI delta = applyToInstance (Viewport.scrollUp delta)
-scrollDownI :: Int -> ViewportInstance -> ViewportInstance
+scrollDownI :: Int -> Instance -> Instance
scrollDownI delta = applyToInstance (Viewport.scrollDown delta)
-pageUpI :: ViewportInstance -> ViewportInstance
+pageUpI :: Instance -> Instance
pageUpI = applyToInstance Viewport.pageUp
-pageDownI :: ViewportInstance -> ViewportInstance
+pageDownI :: Instance -> Instance
pageDownI = applyToInstance Viewport.pageDown
-alignTopI :: ViewportInstance -> ViewportInstance
+alignTopI :: Instance -> Instance
alignTopI = applyToInstance Viewport.alignTop
-alignBottomI :: ViewportInstance -> ViewportInstance
+alignBottomI :: Instance -> Instance
alignBottomI = applyToInstanceRS Viewport.alignBottom
-modifyItemI :: Int -> (Item -> Item) -> ViewportInstance -> ViewportInstance
-modifyItemI ix f (ViewportInstance rs vp) =
+modifyItemI :: Int -> (Item -> Item) -> Instance -> Instance
+modifyItemI ix f (Instance rs vp) =
let buf' = Buffer.modifyItem ix f (RenderState.rsBuffer rs)
rs' = mkRenderState (RenderState.rsWidth rs) buf'
vp' = clampViewport rs' vp
- in ViewportInstance rs' vp'
+ in Instance rs' vp'
-lookupPositionI :: Int -> Int -> ViewportInstance -> Maybe (Int, Int)
-lookupPositionI x y (ViewportInstance rs vp) =
+lookupPositionI :: Int -> Int -> Instance -> Maybe (Int, Int)
+lookupPositionI x y (Instance rs vp) =
lookupPosition x y vp (RenderState.rsRendered rs)
---debugVI :: ViewportInstance -> IO ()
---debugVI (ViewportInstance rs vp) = do
+--debugVI :: Instance -> IO ()
+--debugVI (Instance rs vp) = do
-- putStrLn ("offset = " ++ show (Viewport.vpOffset vp))
-- putStrLn ("height = " ++ show (Viewport.vpHeight vp))
-- putStrLn ("lineCount = " ++ show (RenderState.rsLineCount rs))