From e4dfc80979968b6e1d0c10a798fae0623f8eedc8 Mon Sep 17 00:00:00 2001
From: Developer <dev@epub-read.local>
Date: Sun, 24 May 2026 07:47:07 +0800
Subject: [PATCH] fix: persist settings_visible toggle state to data store

---
 src/reader.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/reader.rs b/src/reader.rs
index 220feb3..3f2a5b4 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -281,7 +281,7 @@ pub fn reading_view(
     let mut sidebar_tab: usize = ui.data_mut(|d| *d.get_temp_mut_or_default::<usize>(sidebar_tab_id));
 
     let settings_visible_id = ui.make_persistent_id("settings_visible");
-    let mut settings_visible: bool = ui.data_mut(|d| *d.get_temp_mut_or_default::<bool>(settings_visible_id));
+    let mut settings_visible = ui.data_mut(|d| *d.get_temp_mut_or_default::<bool>(settings_visible_id));
 
     if *sidebar_open {
         egui::SidePanel::left("toc_sidebar")
@@ -330,6 +330,10 @@ pub fn reading_view(
                 ui.with_layout(egui::Layout::right_to_left(egui::Align::Center), |ui| {
                     let toggle_label = if settings_visible { "⚙ ▲" } else { "⚙" };
                     if ui.button(toggle_label).on_hover_text("显示/隐藏设置").clicked() {
+                        ui.ctx().data_mut(|d| {
+                            let val = d.get_temp_mut_or_default::<bool>(settings_visible_id);
+                            *val = !*val;
+                        });
                         settings_visible = !settings_visible;
                     }
                     if settings_visible {