From d2b7991cfa11166ec7f0b818c8f9aa462553243e Mon Sep 17 00:00:00 2001
From: Alan Griffiths <alan@octopull.co.uk>
Date: Fri, 17 Nov 2023 17:59:08 +0000
Subject: [PATCH] Don't allow client to resize fullscreen surfaces

---
 src/miral/basic_window_manager.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/miral/basic_window_manager.cpp b/src/miral/basic_window_manager.cpp
index 8a373df1ed2..66cfe788a01 100644
--- a/src/miral/basic_window_manager.cpp
+++ b/src/miral/basic_window_manager.cpp
@@ -202,6 +202,10 @@ void miral::BasicWindowManager::modify_surface(
     WindowSpecification mods{modifications};
     validate_modification_request(mods, info);
     place_and_size_for_state(mods, info);
+    if (!mods.state() && info.state() == mir_window_state_fullscreen)
+    {
+        if (mods.size().is_set()) mods.size().consume();
+    }
     policy->handle_modify_window(info, mods);
 }