Factor out TUI code.

src/main.rs

@@ -5,11 +5,7 @@ use std::process::{Command, Stdio};
 use structopt::StructOpt;
 
 pub mod gui;
-
-fn run_tui(root_path: std::path::PathBuf) -> Result<(), Box<dyn Error>> {
-    println!("Starting the TUI editor at {:?}", root_path);
-    Ok(())
-}
+pub mod tui;
 
 /// Command line interface IDE with full GUI and headless modes.
 /// If no flags are provided the GUI editor is launched in a separate process.
@@ -46,7 +42,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         true => gui::run(root_path),
         false => match args.tui {
             // Open the TUI editor if requested, otherwise use the QML GUI by default.
-            true => run_tui(root_path),
+            true => tui::run(root_path),
             false => {
                 // Relaunch the CLIDE GUI in a separate process.
                 Command::new(std::env::current_exe()?)

src/tui.rs

@@ -0,0 +1,6 @@
+use std::error::Error;
+
+pub fn run(root_path: std::path::PathBuf) -> Result<(), Box<dyn Error>> {
+    println!("Starting the TUI editor at {:?}", root_path);
+    Ok(())
+}