Upgrading from ace to monaco

code_editor.py

@@ -1,7 +1,7 @@
 # code_editor.py
 
 import streamlit as st
-import streamlit_ace as st_ace
+from streamlit_monaco import st_monaco    # import streamlit_ace as st_ace
 import os
 import time, psutil
 from pathlib import Path
@@ -82,19 +82,45 @@ def render_code_editor(ace_theme):
         st.session_state.prev_language = selected_lang
 
     # ── ACE Code Editor ──────────────────────────────
-    code = st_ace.st_ace(
+    monaco_lang_map = {
+        "Python": "python",
+        "Java": "java",
+        "C": "c",
+        "C++": "cpp",
+        "JavaScript": "javascript",
+        "C#": "csharp"
+    }
+    language = monaco_lang_map.get(st.session_state.selected_lang, "python")
+    theme = "vs-dark" if st.session_state.dark_mode else "vs"
+    
+    # Display editor
+    code = st_monaco(
         value=st.session_state.code,
-        placeholder=f"Start typing your {selected_lang} code…",
-        language=selected_lang.lower() if selected_lang != "C++" else "c_cpp",
-        theme=ace_theme,
-        keybinding="vscode",
-        font_size=14,
-        min_lines=20,
-        show_gutter=True,
-        wrap=True,
-        auto_update=True,
-        key=editor_key
+        language=language,
+        theme=theme,
+        height=400,
+        key=st.session_state.editor_key,
+        options={
+            "fontSize": 14,
+            "minimap": {"enabled": False},
+            "automaticLayout": True,
+            "wordWrap": "on",
+            "ariaLabel": f"Start typing your {st.session_state.selected_lang} code…"
+        }
     )
+    # code = st_ace.st_ace(
+    #     value=st.session_state.code,
+    #     placeholder=f"Start typing your {selected_lang} code…",
+    #     language=selected_lang.lower() if selected_lang != "C++" else "c_cpp",
+    #     theme=ace_theme,
+    #     keybinding="vscode",
+    #     font_size=14,
+    #     min_lines=20,
+    #     show_gutter=True,
+    #     wrap=True,
+    #     auto_update=True,
+    #     key=editor_key
+    # )
 
     if code != st.session_state.code:
         st.session_state.code = code