From 2a2529bb9c304daca5e4f9f2603a76db5fb13a16 Mon Sep 17 00:00:00 2001
From: icedrocket <114203630+icedrocket@users.noreply.github.com>
Date: Mon, 10 Jul 2023 17:56:24 +0900
Subject: [PATCH] eframe: sleep a bit only when minimized (#3139)

---
 crates/eframe/src/native/run.rs | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/crates/eframe/src/native/run.rs b/crates/eframe/src/native/run.rs
index bd7ccd72..367daea7 100644
--- a/crates/eframe/src/native/run.rs
+++ b/crates/eframe/src/native/run.rs
@@ -914,12 +914,9 @@ mod glow_integration {
 
                 integration.maybe_autosave(app.as_mut(), window);
 
-                if !self.is_focused {
-                    // On Mac, a minimized Window uses up all CPU: https://github.com/emilk/egui/issues/325
-                    // We can't know if we are minimized: https://github.com/rust-windowing/winit/issues/208
-                    // But we know if we are focused (in foreground). When minimized, we are not focused.
-                    // However, a user may want an egui with an animation in the background,
-                    // so we still need to repaint quite fast.
+                if window.is_minimized() == Some(true) {
+                    // On Mac, a minimized Window uses up all CPU:
+                    // https://github.com/emilk/egui/issues/325
                     crate::profile_scope!("bg_sleep");
                     std::thread::sleep(std::time::Duration::from_millis(10));
                 }
@@ -1335,12 +1332,9 @@ mod wgpu_integration {
 
                 integration.maybe_autosave(app.as_mut(), window);
 
-                if !self.is_focused {
-                    // On Mac, a minimized Window uses up all CPU: https://github.com/emilk/egui/issues/325
-                    // We can't know if we are minimized: https://github.com/rust-windowing/winit/issues/208
-                    // But we know if we are focused (in foreground). When minimized, we are not focused.
-                    // However, a user may want an egui with an animation in the background,
-                    // so we still need to repaint quite fast.
+                if window.is_minimized() == Some(true) {
+                    // On Mac, a minimized Window uses up all CPU:
+                    // https://github.com/emilk/egui/issues/325
                     crate::profile_scope!("bg_sleep");
                     std::thread::sleep(std::time::Duration::from_millis(10));
                 }