From 9797ed86f0091e9dc2d3c2f1e1bab6c626cf5c3b Mon Sep 17 00:00:00 2001
From: dAxpeDDa <daxpedda@gmail.com>
Date: Wed, 7 Jun 2023 21:59:01 +0200
Subject: [PATCH] Fix unable to ignore scale factor resize suggestion

---
 CHANGELOG.md                               |  1 +
 src/platform_impl/web/event_loop/runner.rs | 18 ++++++++++--------
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 037d5c2e..9eea1dc0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -78,6 +78,7 @@ And please only add new entries to the top of this list, right below the `# Unre
   instead of using the output bitmap size.
 - On Web, scale factor and dark mode detection are now more robust.
 - On Web, fix the bfcache by not using the `beforeunload` event.
+- On Web, fix scale factor resize suggestion always overwriting the canvas size.
 
 # 0.28.6
 
diff --git a/src/platform_impl/web/event_loop/runner.rs b/src/platform_impl/web/event_loop/runner.rs
index f14b212e..f6340830 100644
--- a/src/platform_impl/web/event_loop/runner.rs
+++ b/src/platform_impl/web/event_loop/runner.rs
@@ -349,14 +349,16 @@ impl<T: 'static> Shared<T> {
             );
 
             // Then we resize the canvas to the new size and send a `Resized` event:
-            backend::set_canvas_size(&canvas, crate::dpi::Size::Physical(new_size));
-            self.handle_single_event_sync(
-                Event::WindowEvent {
-                    window_id: id,
-                    event: crate::event::WindowEvent::Resized(new_size),
-                },
-                &mut control,
-            );
+            if current_size != new_size {
+                backend::set_canvas_size(&canvas, crate::dpi::Size::Physical(new_size));
+                self.handle_single_event_sync(
+                    Event::WindowEvent {
+                        window_id: id,
+                        event: crate::event::WindowEvent::Resized(new_size),
+                    },
+                    &mut control,
+                );
+            }
         }
 
         // Process the destroy-pending windows again.