From be3c02104600e5bba8e3af7bc9787e62cba30183 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Mon, 7 Dec 2020 15:18:37 +0900
Subject: snapshot

---
 helix-term/src/compositor.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'helix-term/src/compositor.rs')

diff --git a/helix-term/src/compositor.rs b/helix-term/src/compositor.rs
index 187c5692..f859f947 100644
--- a/helix-term/src/compositor.rs
+++ b/helix-term/src/compositor.rs
@@ -18,9 +18,17 @@ use crossterm::event::Event;
 use smol::Executor;
 use tui::buffer::Buffer as Surface;
 
+pub(crate) type Callback = Box<dyn Fn(&mut Compositor)>;
+
+// Cursive-inspired
+pub(crate) enum EventResult {
+    Ignored,
+    Consumed(Option<Callback>),
+}
+
 pub(crate) trait Component {
     /// Process input events, return true if handled.
-    fn handle_event(&mut self, event: Event, executor: &Executor) -> bool;
+    fn handle_event(&mut self, event: Event, executor: &Executor) -> EventResult;
     // , args: ()
 
     /// Should redraw? Useful for saving redraw cycles if we know component didn't change.
-- 
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