From d328b07b3937c968fc8139f0b5c61903ebb893e7 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Tue, 18 Aug 2020 03:37:32 +0200
Subject: Introduce `viewport` to `Widget::draw`

This should eventually allow us to only generate primitives that are
visible.
---
 native/src/widget/scrollable.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'native/src/widget/scrollable.rs')

diff --git a/native/src/widget/scrollable.rs b/native/src/widget/scrollable.rs
index cb181899..60ec2d7d 100644
--- a/native/src/widget/scrollable.rs
+++ b/native/src/widget/scrollable.rs
@@ -303,6 +303,7 @@ where
         defaults: &Renderer::Defaults,
         layout: Layout<'_>,
         cursor_position: Point,
+        _viewport: &Rectangle,
     ) -> Renderer::Output {
         let bounds = layout.bounds();
         let content_layout = layout.children().next().unwrap();
@@ -335,6 +336,10 @@ where
                 defaults,
                 content_layout,
                 cursor_position,
+                &Rectangle {
+                    y: bounds.y + offset as f32,
+                    ..bounds
+                },
             )
         };
 
-- 
cgit