From 1de73c0dc545448dd40829a665c393fab19a5a2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@elmindreda.org>
Date: Sun, 8 Jan 2023 22:13:45 +0100
Subject: [PATCH] Wayland: Emit size event when setting aspect ratio

(cherry picked from commit c1a79c1c41456a6fb0d2490a449eb4b2e0144302)
---
 src/wl_window.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/wl_window.c b/src/wl_window.c
index 5c516e73..123039dd 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -2039,17 +2039,26 @@ void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window,
     if (window->wl.maximized || window->wl.fullscreen)
         return;
 
+    int width = window->wl.width, height = window->wl.height;
+
     if (numer != GLFW_DONT_CARE && denom != GLFW_DONT_CARE)
     {
-        const float aspectRatio = (float) window->wl.width / (float) window->wl.height;
+        const float aspectRatio = (float) width / (float) height;
         const float targetRatio = (float) numer / (float) denom;
         if (aspectRatio < targetRatio)
-            window->wl.height = window->wl.width / targetRatio;
+            height /= targetRatio;
         else if (aspectRatio > targetRatio)
-            window->wl.width = window->wl.height * targetRatio;
+            width *= targetRatio;
+    }
 
+    if (width != window->wl.width || height != window->wl.height)
+    {
+        window->wl.width = width;
+        window->wl.height = height;
         resizeWindow(window);
 
+        _glfwInputWindowSize(window, width, height);
+
         if (window->wl.visible)
             _glfwInputWindowDamage(window);
     }