Merge pull request #614 from hecrj/feature/event-capturing

Event capturing

2 files changed, 8 insertions, 4 deletions

diff --git a/graphics/src/widget/canvas/event.rs b/graphics/src/widget/canvas/event.rs
index 0e66f0ff..ede2fd73 100644
--- a/graphics/src/widget/canvas/event.rs
+++ b/graphics/src/widget/canvas/event.rs
@@ -1,6 +1,9 @@
+//! Handle events of a canvas.
 use iced_native::keyboard;
 use iced_native::mouse;
 
+pub use iced_native::event::Status;
+
 /// A [`Canvas`] event.
 ///
 /// [`Canvas`]: struct.Event.html
diff --git a/graphics/src/widget/canvas/program.rs b/graphics/src/widget/canvas/program.rs
index 725d9d72..e8f43380 100644
--- a/graphics/src/widget/canvas/program.rs
+++ b/graphics/src/widget/canvas/program.rs
@@ -1,4 +1,5 @@
-use crate::canvas::{Cursor, Event, Geometry};
+use crate::canvas::event::{self, Event};
+use crate::canvas::{Cursor, Geometry};
 use iced_native::{mouse, Rectangle};
 
 /// The state and logic of a [`Canvas`].
@@ -27,8 +28,8 @@ pub trait Program<Message> {
         _event: Event,
         _bounds: Rectangle,
         _cursor: Cursor,
-    ) -> Option<Message> {
-        None
+    ) -> (event::Status, Option<Message>) {
+        (event::Status::Ignored, None)
     }
 
     /// Draws the state of the [`Program`], producing a bunch of [`Geometry`].
@@ -67,7 +68,7 @@ where
         event: Event,
         bounds: Rectangle,
         cursor: Cursor,
-    ) -> Option<Message> {
+    ) -> (event::Status, Option<Message>) {
         T::update(self, event, bounds, cursor)
     }