Implement screen clearing with Ctrl+l

src/lib.rs

@@ -522,13 +522,6 @@ pub mod shell {
                     }
                 },
 
-                Key::Ctrl('x') => {
-                    clear_line(&max_pos, &current_pos);
-                    mycommand.clear();
-                    current_pos = 0;
-                    max_pos = 0;
-                }
-
                 Key::Left => {
                     if current_pos > 0 {
                         current_pos -= 1;
@@ -543,6 +536,12 @@ pub mod shell {
                     }
                 },
 
+                Key::Ctrl('l') => {
+                    write!(stdout, "{}{}", termion::clear::All, termion::cursor::Goto(1,1));
+                    write!(stdout, "{}{}", conf.promptline, mycommand);
+
+                },
+
                 Key::Ctrl('p') => {
                     let steps = find_next_space(&current_pos, &max_pos, &mycommand);
                     //println!("steps: {:?} cur {:?} max {:?}", steps, current_pos, max_pos);