From 0670b1ec2e002f8881154d10720d7dded0f23b10 Mon Sep 17 00:00:00 2001
From: Glenn Watson <gw@intuitionlibrary.com>
Date: Wed, 25 Mar 2015 12:48:32 +1000
Subject: Add Expose event handler which is needed on some window managers.

---
 src/events.rs         | 3 +++
 src/x11/window/mod.rs | 5 +++++
 2 files changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/events.rs b/src/events.rs
index ac30cfd..957e0c3 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -34,6 +34,9 @@ pub enum Event {
 
     /// The event loop was woken up by another thread.
     Awakened,
+
+    /// The window needs to be redrawn.
+    Refresh,
 }
 
 pub type ScanCode = u8;
diff --git a/src/x11/window/mod.rs b/src/x11/window/mod.rs
index 9f600a8..5b1b42d 100644
--- a/src/x11/window/mod.rs
+++ b/src/x11/window/mod.rs
@@ -161,6 +161,11 @@ impl<'a> Iterator for PollEventsIterator<'a> {
                     }
                 },
 
+                ffi::Expose => {
+                    use events::Event::Refresh;
+                    return Some(Refresh);
+                },
+
                 ffi::MotionNotify => {
                     use events::Event::MouseMoved;
                     let event: &ffi::XMotionEvent = unsafe { mem::transmute(&xev) };
-- 
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