modularize

1 files changed, 23 insertions, 0 deletions

diff --git a/src/TextViewport/Render/RenderItem.hs b/src/TextViewport/Render/RenderItem.hs
new file mode 100644
index 0000000..6c9cbc3
--- /dev/null
+++ b/src/TextViewport/Render/RenderItem.hs
@@ -0,0 +1,23 @@
+module TextViewport.Render.RenderItem where
+
+import TextViewport.Buffer.Item (Item(..))
+import TextViewport.Render.CachedRender
+import TextViewport.Render.RenderedItem
+import TextViewport.Render.Segmentation (applyStrategy)
+
+renderItem :: Int -> Int -> Item -> Maybe CachedRender -> CachedRender
+renderItem width itemIx (Item txt strategy) mOld =
+  case mOld of
+    Just old
+      | crWidth old == width
+      , crText old  == txt
+      -> old
+    _ ->
+      let linesV   = applyStrategy strategy width itemIx txt
+          rendered = RenderedItem linesV
+      in CachedRender
+           { crWidth    = width
+           , crStrategy = strategy
+           , crText     = txt
+           , crRendered = rendered
+           }