working general mode only with canvas, removing highlight, readonly or edit

client/src/tui/terminal/core.rs

@@ -5,6 +5,7 @@ use crossterm::{
     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
     cursor::{SetCursorStyle, EnableBlinking, Show, Hide, MoveTo},
 };
+use crossterm::ExecutableCommand;
 use ratatui::{backend::CrosstermBackend, Terminal};
 use std::io::{self, stdout, Write};
 use anyhow::Result;
@@ -81,6 +82,12 @@ impl TerminalCore {
         )?;
         Ok(())
     }
+
+    /// Move the cursor to a specific (x, y) position on screen.
+    pub fn set_cursor_position(&mut self, x: u16, y: u16) -> io::Result<()> {
+        self.terminal.backend_mut().execute(MoveTo(x, y))?;
+        Ok(())
+    }
 }
 
 impl Drop for TerminalCore {