From 13dd1ca0a83cc95eea52e2106da9dc1ee1f37958 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Thu, 4 Aug 2022 03:55:41 +0200
Subject: Implement `scrollable::snap_to` operation

---
 native/src/widget/operation/scrollable.rs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 native/src/widget/operation/scrollable.rs

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

diff --git a/native/src/widget/operation/scrollable.rs b/native/src/widget/operation/scrollable.rs
new file mode 100644
index 00000000..ed609d67
--- /dev/null
+++ b/native/src/widget/operation/scrollable.rs
@@ -0,0 +1,30 @@
+use crate::widget::{Id, Operation};
+
+pub trait Scrollable {
+    fn snap_to(&mut self, percentage: f32);
+}
+
+pub fn snap_to<T>(target: Id, percentage: f32) -> impl Operation<T> {
+    struct SnapTo {
+        target: Id,
+        percentage: f32,
+    }
+
+    impl<T> Operation<T> for SnapTo {
+        fn scrollable(&mut self, state: &mut dyn Scrollable, id: Option<&Id>) {
+            if Some(&self.target) == id {
+                state.snap_to(self.percentage);
+            }
+        }
+
+        fn container(
+            &mut self,
+            _id: Option<&Id>,
+            operate_on_children: &mut dyn FnMut(&mut dyn Operation<T>),
+        ) {
+            operate_on_children(self)
+        }
+    }
+
+    SnapTo { target, percentage }
+}
-- 
cgit 


From 66f7d43dc98df96c8b19cfd2aef6dcdd4187316c Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Fri, 5 Aug 2022 05:15:41 +0200
Subject: Write missing documentation in `iced_native`

---
 native/src/widget/operation/scrollable.rs | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/native/src/widget/operation/scrollable.rs b/native/src/widget/operation/scrollable.rs
index ed609d67..2210137d 100644
--- a/native/src/widget/operation/scrollable.rs
+++ b/native/src/widget/operation/scrollable.rs
@@ -1,9 +1,14 @@
+//! Operate on widgets that can be scrolled.
 use crate::widget::{Id, Operation};
 
+/// The internal state of a widget that can be scrolled.
 pub trait Scrollable {
+    /// Snaps the scroll of the widget to the given `percentage`.
     fn snap_to(&mut self, percentage: f32);
 }
 
+/// Produces an [`Operation`] that snaps the widget with the given [`Id`] to
+/// the provided `percentage`.
 pub fn snap_to<T>(target: Id, percentage: f32) -> impl Operation<T> {
     struct SnapTo {
         target: Id,
-- 
cgit