From efed6f7e30ee85014c77caa19276bd11f2566612 Mon Sep 17 00:00:00 2001
From: Khoa Vo <vndangkhoa@gmail.com>
Date: Wed, 1 Jul 2026 16:11:45 +0700
Subject: [PATCH] debug: trace space handling in grab mode

---
 daemon/src/main.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/daemon/src/main.rs b/daemon/src/main.rs
index 0cfd143..cd326cb 100644
--- a/daemon/src/main.rs
+++ b/daemon/src/main.rs
@@ -1375,7 +1375,15 @@ fn run_with_evdev(
                             }
                             let buf_before = daemon.engine.buffer().chars().count();
                             let commands = daemon.process_key(ch);
+                            if ch == ' ' {
+                                eprintln!("[space] buf_before={} flushed={}",
+                                    buf_before, commands.len());
+                            }
                             if !commands.is_empty() {
+                                if ch == ' ' {
+                                    eprintln!("[space] injected via commands, enabled={}",
+                                        daemon.engine.is_enabled());
+                                }
                                 consumed_keys.insert(keycode);
                                 execute_commands(&*injector, &commands, false);
                                 // Flush chars: forward raw key after injection.
@@ -1397,8 +1405,10 @@ fn run_with_evdev(
                                 // letter (e.g. leading "x", the "r" in "tr"), the
                                 // buffer grows and we must forward it like any
                                 // other character so it reaches the screen.
+                                if ch == ' ' { eprintln!("[space] consumed as vn_control"); }
                                 consumed_keys.insert(keycode);
                             } else {
+                                if ch == ' ' { eprintln!("[space] forwarded as raw press"); }
                                 injector.send_key_event(keycode, 1);
                             }
                         } else {