From 90669b6b8ab18978955a2d148ccdd1abb0b38c49 Mon Sep 17 00:00:00 2001
From: Jonathan Johnson <jon@khonsulabs.com>
Date: Sat, 7 Sep 2024 07:05:43 -0700
Subject: [PATCH] WindowBehavior::moved

---
 CHANGELOG.md  |  1 +
 src/window.rs | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d197b3f..8c3ff26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `PendingApp::on_startup` accepts a callback that will be invoked once the
   event loop is executing.
+- `WindowBehavior::moved` is called when the window moves.
 
 ### Changed
 
diff --git a/src/window.rs b/src/window.rs
index c7c0ae5..d3488aa 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -581,7 +581,10 @@ where
                     }
                 }
                 WindowEvent::Moved(position) => {
-                    self.position = position;
+                    if self.position != position {
+                        self.position = position;
+                        behavior.moved(self);
+                    }
                 }
                 WindowEvent::Destroyed => {
                     return HandleMessageResult::Destroyed;
@@ -979,6 +982,11 @@ where
     #[allow(unused_variables)]
     fn resized(&mut self, window: &mut RunningWindow<AppMessage>) {}
 
+    /// The window has been moved. [`RunningWindow::position()`] returns the
+    /// current position.
+    #[allow(unused_variables)]
+    fn moved(&mut self, window: &mut RunningWindow<AppMessage>) {}
+
     /// The window's theme has been updated. [`RunningWindow::theme()`]
     /// returns the current theme.
     #[allow(unused_variables)]