From aa2a870c357284630045b05186fa7a6313c27693 Mon Sep 17 00:00:00 2001
From: KENZ <KENZ.gelsoft@gmail.com>
Date: Sat, 18 Apr 2026 13:23:01 +0900
Subject: [PATCH] fix: Forward wayland IME events in SCTK only when
 `single-instance` feature enabled

---
 winit/Cargo.toml                                           | 2 ++
 winit/src/platform_specific/wayland/handlers/text_input.rs | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/winit/Cargo.toml b/winit/Cargo.toml
index 1208cc17..41e4a582 100644
--- a/winit/Cargo.toml
+++ b/winit/Cargo.toml
@@ -37,6 +37,8 @@ cctk = [
     "xkeysym",
     "dep:cctk",
 ]
+# Prevents multiple separate process instances.
+single-instance = []
 
 
 [dependencies]
diff --git a/winit/src/platform_specific/wayland/handlers/text_input.rs b/winit/src/platform_specific/wayland/handlers/text_input.rs
index bb0c38da..eb1ed596 100644
--- a/winit/src/platform_specific/wayland/handlers/text_input.rs
+++ b/winit/src/platform_specific/wayland/handlers/text_input.rs
@@ -69,6 +69,10 @@ impl Dispatch<ZwpTextInputV3, (), SctkState> for TextInputManager {
         _conn: &Connection,
         _qhandle: &QueueHandle<SctkState>,
     ) {
+        if cfg!(not(feature = "single-instance")) {
+            return;
+        }
+
         let kbd_focus =
             match state.seats.iter_mut().find_map(|s| s.kbd_focus.clone()) {
                 Some(surface) => surface,