From fd50b45e6187f6c56156915f408340c1c9bd892f Mon Sep 17 00:00:00 2001
From: Ivan Molodetskikh <yalterz@gmail.com>
Date: Wed, 22 Jan 2020 07:45:25 +0300
Subject: [PATCH] anvil: implement input region check

---
 anvil/src/shell.rs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/anvil/src/shell.rs b/anvil/src/shell.rs
index 6b75b5b..ba63613 100644
--- a/anvil/src/shell.rs
+++ b/anvil/src/shell.rs
@@ -188,5 +188,19 @@ fn contains_point(attrs: &SurfaceAttributes, point: (f64, f64)) -> bool {
         width: w,
         height: h,
     };
-    rect.contains((point.0 as i32, point.1 as i32))
+
+    let point = (point.0 as i32, point.1 as i32);
+
+    // The input region is always within the surface itself, so if the surface itself doesn't contain the
+    // point we can return false.
+    if !rect.contains(point) {
+        return false;
+    }
+
+    // If there's no input region, we're done.
+    if attrs.input_region.is_none() {
+        return true;
+    }
+
+    attrs.input_region.as_ref().unwrap().contains(point)
 }