From af892ad2081f7e38be5795539a0b6caa18fd1edd Mon Sep 17 00:00:00 2001
From: chixi4 <borlorful123@gmail.com>
Date: Sun, 1 Feb 2026 14:16:29 +0800
Subject: [PATCH] Fix duplicate key events on Windows

On Windows, crossterm reports both KeyPress and KeyRelease events,
causing each keystroke to be registered twice. Filter events to only
handle KeyEventKind::Press to fix this issue.

See: https://github.com/crossterm-rs/crossterm/issues/797
---
 src/app/game.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/app/game.rs b/src/app/game.rs
index 272325a..c59db16 100644
--- a/src/app/game.rs
+++ b/src/app/game.rs
@@ -1,4 +1,4 @@
-use crossterm::event::{self, Event, KeyCode};
+use crossterm::event::{self, Event, KeyCode, KeyEventKind};
 use ratatui::backend::CrosstermBackend;
 use ratatui::Terminal;
 use std::io;
@@ -32,7 +32,8 @@ impl Game {
 
             if crossterm::event::poll(timeout)? {
                 if let Event::Key(key) = event::read()? {
-                    if !self.handle_input(key.code) {
+                    // Only handle key press events, ignore key release (fixes Windows double input bug)
+                    if key.kind == KeyEventKind::Press && !self.handle_input(key.code) {
                         return Ok(());
                     }
                 }