fix: translate the wayland event position for content inside a scrollable

Author: wash2

core/src/event/wayland/mod.rs

@@ -43,3 +43,20 @@ pub enum Event {
     /// Frame events
     Frame(Instant, WlSurface, Id),
 }
+
+impl Event {
+    /// Translate the event by some vector
+    pub fn translate(&mut self, vector: crate::vector::Vector) {
+        match self {
+            Event::DndOffer(DndOfferEvent::Enter { x, y, .. }) => {
+                *x += vector.x as f64;
+                *y += vector.y as f64;
+            }
+            Event::DndOffer(DndOfferEvent::Motion { x, y }) => {
+                *x += vector.x as f64;
+                *y += vector.y as f64;
+            }
+            _ => {}
+        }
+    }
+}

widget/src/scrollable.rs

@@ -657,7 +657,7 @@ pub fn layout<Renderer>(
 /// accordingly.
 pub fn update<Message>(
     state: &mut State,
-    event: Event,
+    #[allow(unused_mut)] mut event: Event,
     layout: Layout<'_>,
     cursor: mouse::Cursor,
     clipboard: &mut dyn Clipboard,
@@ -699,6 +699,14 @@ pub fn update<Message>(
 
         let translation = state.translation(direction, bounds, content_bounds);
 
+        #[cfg(feature = "wayland")]
+        if let Event::PlatformSpecific(
+            iced_runtime::core::event::PlatformSpecific::Wayland(e),
+        ) = &mut event
+        {
+            e.translate(translation);
+        }
+
         update_content(
             event.clone(),
             content,