feat: 新增 Linux 绝对鼠标兼容模式 #266；新增 CH9329 描述符设置

src/web/handlers/config/hid.rs

@@ -1,7 +1,7 @@
 use axum::{extract::State, Json};
 use std::sync::Arc;
 
-use crate::config::HidConfig;
+use crate::config::{HidBackend, HidConfig};
 use crate::error::Result;
 use crate::state::AppState;
 
@@ -21,10 +21,20 @@ pub async fn update_hid_config(
     let _apply_guard = try_apply_lock(&state.config_apply_locks.otg, "otg")?;
     let old_hid_config = state.config.get().hid.clone();
 
+    let mut staged_hid_config = old_hid_config.clone();
+    req.apply_to(&mut staged_hid_config);
+    let descriptor_update = req
+        .ch9329_descriptor
+        .as_ref()
+        .map(|_| staged_hid_config.ch9329_descriptor.clone());
+    if descriptor_update.is_some() {
+        staged_hid_config.ch9329_descriptor = old_hid_config.ch9329_descriptor.clone();
+    }
+
     state
         .config
         .update(|config| {
-            req.apply_to(&mut config.hid);
+            config.hid = staged_hid_config.clone();
             config.enforce_invariants();
         })
         .await?;
@@ -39,5 +49,21 @@ pub async fn update_hid_config(
     )
     .await?;
 
+    if let Some(descriptor) = descriptor_update {
+        if new_hid_config.backend != HidBackend::Ch9329 {
+            return Ok(Json(new_hid_config));
+        }
+
+        let actual = state.hid.apply_ch9329_descriptor(&descriptor).await?;
+        state
+            .config
+            .update(|config| {
+                config.hid.ch9329_descriptor = actual.descriptor.clone();
+                config.enforce_invariants();
+            })
+            .await?;
+        return Ok(Json(state.config.get().hid.clone()));
+    }
+
     Ok(Json(new_hid_config))
 }