From 5b6d54cae0e3355d71d86853a5a1350aa63527bb Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Sat, 8 Jun 2024 10:57:37 +0200
Subject: [PATCH] xdg_shell: ignore outdated ack_configure events

---
 src/protocols/XDGShell.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/protocols/XDGShell.cpp b/src/protocols/XDGShell.cpp
index 97de49f6..191a1124 100644
--- a/src/protocols/XDGShell.cpp
+++ b/src/protocols/XDGShell.cpp
@@ -403,8 +403,10 @@ CXDGSurfaceResource::CXDGSurfaceResource(SP<CXdgSurface> resource_, SP<CXDGWMBas
     });
 
     resource->setAckConfigure([this](CXdgSurface* r, uint32_t serial) {
+        if (serial < lastConfigureSerial)
+            return;
+        lastConfigureSerial = serial;
         events.ack.emit(serial);
-        ; // TODO: verify it
     });
 
     resource->setSetWindowGeometry([this](CXdgSurface* r, int32_t x, int32_t y, int32_t w, int32_t h) {