更新

src/components/DirectorySidebar.vue

@@ -149,6 +149,7 @@ const showSettings = ref(false);
               v-if="rootEntry"
               :entry="rootEntry"
               :depth="0"
+              :currentFilePath="currentFilePath"
               @toggle-folder="(path: string) => emit('toggleFolder', path)"
               @open-file="(path: string) => emit('openFile', path)"
           />

src/components/TreeEntry.vue

@@ -4,7 +4,7 @@ export default { name: "TreeEntry" };
 </script>
 
 <script setup lang="ts">
-import { ref, watch } from "vue";
+import { computed, ref, watch } from "vue";
 
 interface DirEntry {
   name: string;
@@ -16,6 +16,7 @@ interface DirEntry {
 const props = defineProps<{
   entry: DirEntry;
   depth: number;
+  currentFilePath?: string | null;
 }>();
 
 const emit = defineEmits<{
@@ -35,13 +36,15 @@ watch(
   },
 );
 
+const isActive = computed(() => {
+  return props.currentFilePath != null && props.currentFilePath === props.entry.path;
+});
+
 function onClick() {
   if (props.entry.is_dir) {
     if (props.entry.children === undefined) {
-      // Not loaded yet — ask parent to load
       emit("toggleFolder", props.entry.path);
     } else {
-      // Already loaded — toggle visibility
       expanded.value = !expanded.value;
     }
   } else {
@@ -51,10 +54,9 @@ function onClick() {
 </script>
 
 <template>
-  <div>
-    <!-- Folder -->
+  <template v-if="entry.is_dir">
+    <!-- Folder label -->
     <div
-      v-if="entry.is_dir"
       class="flex items-center gap-1 px-2 py-1 rounded-md text-sm text-[#5c574e] hover:bg-[#ede8de] cursor-pointer select-none"
       :style="{ paddingLeft: `${depth * 16 + 8}px` }"
       @click="onClick"
@@ -68,26 +70,32 @@ function onClick() {
     </div>
 
     <!-- Children (recursive) -->
-    <template v-if="entry.is_dir && expanded && entry.children">
+    <template v-if="expanded && entry.children">
       <TreeEntry
         v-for="child in entry.children"
         :key="child.path"
         :entry="child"
         :depth="depth + 1"
+        :currentFilePath="currentFilePath"
         @toggle-folder="(path: string) => emit('toggleFolder', path)"
         @open-file="(path: string) => emit('openFile', path)"
       />
     </template>
+  </template>
 
-    <!-- File -->
-    <div
-      v-else-if="!entry.is_dir"
-      class="flex items-center gap-1.5 px-2 py-1 rounded-md text-sm text-[#8c877d] hover:bg-[#ede8de] hover:text-[#38342e] cursor-pointer"
-      :style="{ paddingLeft: `${depth * 16 + 8}px` }"
-      @click="onClick"
-    >
-      <i class="ri-file-line text-sm text-[#bf6a3b]/60 shrink-0"></i>
-      <span class="truncate">{{ entry.name }}</span>
-    </div>
+  <!-- File -->
+  <div
+    v-else
+    :class="[
+      'flex items-center gap-1.5 px-2 py-1 rounded-md text-sm cursor-pointer transition-colors',
+      isActive
+        ? 'bg-[#ede8de] text-[#bf6a3b] font-medium'
+        : 'text-[#8c877d] hover:bg-[#ede8de] hover:text-[#38342e]',
+    ]"
+    :style="{ paddingLeft: `${depth * 16 + 8}px` }"
+    @click="onClick"
+  >
+    <i class="ri-file-line text-sm text-[#bf6a3b]/60 shrink-0"></i>
+    <span class="truncate">{{ entry.name }}</span>
   </div>
 </template>