From 10adef3092d29d6dcd6944e594dfadcbe927bed0 Mon Sep 17 00:00:00 2001
From: "Jeffrey C. Ollie" <jeff@ocjtech.us>
Date: Thu, 2 Oct 2025 13:43:33 -0500
Subject: [PATCH] gtk: fix duplicate signal handlers

---
 src/apprt/gtk/class/window.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/apprt/gtk/class/window.zig b/src/apprt/gtk/class/window.zig
index c0dd6ab1f..31a4cc6ff 100644
--- a/src/apprt/gtk/class/window.zig
+++ b/src/apprt/gtk/class/window.zig
@@ -693,6 +693,10 @@ pub const Window = extern struct {
         self: *Self,
         tree: *const Surface.Tree,
     ) void {
+        // Ensure that all old signal handlers have been removed before adding
+        // them. Otherwise we get duplicate surface handlers.
+        self.disconnectSurfaceHandlers(tree);
+
         const priv = self.private();
         var it = tree.iterator();
         while (it.next()) |entry| {