Keep terminal windows open after code execution, add Xcode-like theme

Ensure terminal windows remain open after running code and implement Xcode themes, plus add initial code completion.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 4b8798a8-38de-4dd7-aaf5-140b7fb5f89a
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/aa3e5e71-caa3-4177-9fd1-f688261f9d58/beab18a4-8e2a-45ea-933b-202a52df0add.jpg

Author: yashdoneria06

chix/ui/theme.py

@@ -0,0 +1,204 @@
+"""
+Theme management for ChiX Editor
+"""
+
+import customtkinter as ctk
+import json
+import os
+
+# Define color schemes
+THEMES = {
+    # VS Code Dark+ inspired theme
+    "vscode_dark": {
+        "bg_primary": "#1e1e1e",
+        "bg_secondary": "#252526",
+        "bg_tertiary": "#2d2d30",
+        "bg_hover": "#3e3e42",
+        "fg_primary": "#d4d4d4",
+        "fg_secondary": "#9e9e9e",
+        "accent_primary": "#007acc",
+        "accent_secondary": "#3794ff",
+        "error": "#f44747",
+        "warning": "#ff8800",
+        "success": "#35af74",
+        "string": "#ce9178",
+        "keyword": "#569cd6",
+        "comment": "#6A9955",
+        "function": "#dcdcaa",
+        "type": "#4ec9b0",
+        "number": "#b5cea8",
+        "operator": "#d4d4d4",
+        "variable": "#9cdcfe",
+        "class": "#4ec9b0",
+        "parameter": "#9cdcfe",
+        "line_highlight": "#2a2d2e",
+        "selection": "#264f78",
+    },
+    
+    # Xcode Dark theme (inspired by Xcode's dark mode)
+    "xcode_dark": {
+        "bg_primary": "#292a30",
+        "bg_secondary": "#1e1e1e",
+        "bg_tertiary": "#252528",
+        "bg_hover": "#3a3a3c",
+        "fg_primary": "#dfdfe0",
+        "fg_secondary": "#9d9d9f",
+        "accent_primary": "#4f87ff",
+        "accent_secondary": "#6699ff",
+        "error": "#ff3b30",
+        "warning": "#ff9500",
+        "success": "#34c759",
+        "string": "#fc6a5d",
+        "keyword": "#fc5fa3",
+        "comment": "#6c7986",
+        "function": "#a167e6",
+        "type": "#67b7a4",
+        "number": "#d0bf69",
+        "operator": "#a9b7c6",
+        "variable": "#41a1c0",
+        "class": "#5dd8ff",
+        "parameter": "#8ec4e6",
+        "line_highlight": "#2f3239",
+        "selection": "#3f638b",
+    },
+    
+    # Xcode Light theme (inspired by Xcode's light mode)
+    "xcode_light": {
+        "bg_primary": "#ffffff",
+        "bg_secondary": "#f4f4f4",
+        "bg_tertiary": "#e8e8e8",
+        "bg_hover": "#d9d9d9",
+        "fg_primary": "#262626",
+        "fg_secondary": "#5b5b5b",
+        "accent_primary": "#0f68a0",
+        "accent_secondary": "#3a87b4",
+        "error": "#d12f1b",
+        "warning": "#cf8500",
+        "success": "#23882b",
+        "string": "#c41a16",
+        "keyword": "#9b2393",
+        "comment": "#536579",
+        "function": "#6c36a9",
+        "type": "#0f68a0",
+        "number": "#1c00cf",
+        "operator": "#000000",
+        "variable": "#326d74",
+        "class": "#0f68a0",
+        "parameter": "#2e6399",
+        "line_highlight": "#ecf5ff",
+        "selection": "#b2d7ff",
+    },
+    
+    # Dark theme with blue accents
+    "dark_blue": {
+        "bg_primary": "#1a1a1a",
+        "bg_secondary": "#252525",
+        "bg_tertiary": "#2d2d2d",
+        "bg_hover": "#3e3e42",
+        "fg_primary": "#d4d4d4",
+        "fg_secondary": "#9e9e9e",
+        "accent_primary": "#1e90ff",
+        "accent_secondary": "#5b9bd5",
+        "error": "#f44747",
+        "warning": "#ff8800",
+        "success": "#35af74",
+        "string": "#ce9178",
+        "keyword": "#569cd6",
+        "comment": "#6A9955",
+        "function": "#dcdcaa",
+        "type": "#4ec9b0",
+        "number": "#b5cea8",
+        "operator": "#d4d4d4",
+        "variable": "#9cdcfe",
+        "class": "#4ec9b0",
+        "parameter": "#9cdcfe",
+        "line_highlight": "#2a2d2e",
+        "selection": "#264f78",
+    }
+}
+
+# Current theme - can be changed at runtime
+current_theme = "xcode_dark"
+
+def get_theme():
+    """Get the current theme colors"""
+    return THEMES[current_theme]
+
+def get_color(color_key):
+    """Get a specific color from the current theme"""
+    theme = get_theme()
+    return theme.get(color_key, "#ffffff")
+
+def set_theme(theme_name):
+    """Set the active theme"""
+    global current_theme
+    if theme_name in THEMES:
+        current_theme = theme_name
+        return True
+    return False
+
+def cycle_theme():
+    """Cycle through available themes"""
+    global current_theme
+    theme_keys = list(THEMES.keys())
+    current_index = theme_keys.index(current_theme)
+    next_index = (current_index + 1) % len(theme_keys)
+    current_theme = theme_keys[next_index]
+    return current_theme
+
+def setup_theme():
+    """Set up the initial theme configuration"""
+    # Set appearance mode 
+    ctk.set_appearance_mode("dark")
+    ctk.set_default_color_theme("blue")
+    
+    try:
+        # Customize button appearance
+        ctk.ThemeManager.theme["CTkButton"]["corner_radius"] = 4
+        ctk.ThemeManager.theme["CTkButton"]["border_width"] = 0
+        
+        # Apply theme colors
+        theme = get_theme()
+        
+        # Apply to standard widgets
+        ctk.ThemeManager.theme["CTkFrame"]["fg_color"] = [theme["bg_secondary"], theme["bg_secondary"]]
+        ctk.ThemeManager.theme["CTkButton"]["fg_color"] = [theme["accent_primary"], theme["accent_primary"]]
+        ctk.ThemeManager.theme["CTkButton"]["hover_color"] = [theme["accent_secondary"], theme["accent_secondary"]]
+        ctk.ThemeManager.theme["CTkButton"]["text_color"] = [theme["fg_primary"], theme["fg_primary"]]
+        
+        # Apply to text-based widgets
+        ctk.ThemeManager.theme["CTkTextbox"]["fg_color"] = [theme["bg_primary"], theme["bg_primary"]]
+        ctk.ThemeManager.theme["CTkTextbox"]["text_color"] = [theme["fg_primary"], theme["fg_primary"]]
+        
+        # Apply to entry widgets
+        ctk.ThemeManager.theme["CTkEntry"]["fg_color"] = [theme["bg_tertiary"], theme["bg_tertiary"]]
+        ctk.ThemeManager.theme["CTkEntry"]["text_color"] = [theme["fg_primary"], theme["fg_primary"]]
+        
+    except (KeyError, AttributeError) as e:
+        print(f"Warning: Error setting up theme: {e}")
+        pass
+
+def save_theme_preferences(file_path="theme_prefs.json"):
+    """Save theme preferences to a file"""
+    prefs = {
+        "theme": current_theme,
+    }
+    
+    try:
+        with open(file_path, 'w') as f:
+            json.dump(prefs, f)
+    except Exception as e:
+        print(f"Error saving theme preferences: {e}")
+
+def load_theme_preferences(file_path="theme_prefs.json"):
+    """Load theme preferences from a file"""
+    global current_theme
+    
+    try:
+        if os.path.exists(file_path):
+            with open(file_path, 'r') as f:
+                prefs = json.load(f)
+                if "theme" in prefs and prefs["theme"] in THEMES:
+                    current_theme = prefs["theme"]
+    except Exception as e:
+        print(f"Error loading theme preferences: {e}")