Ctrl+A and Ctrl+E to move between the begin and end of line

2 files changed, 35 insertions, 0 deletions

diff --git a/src/linebuf.rs b/src/linebuf.rs
index 836cfee..86c4f95 100644
--- a/src/linebuf.rs
+++ b/src/linebuf.rs
@@ -49,6 +49,18 @@ impl LineBuf {
         }
     }
 
+    pub fn all_left(&mut self) -> usize {
+        let n = self.pre.len();
+        while self.left() {}
+        n
+    }
+
+    pub fn all_right(&mut self) -> usize {
+        let n = self.post.len();
+        while self.right() {}
+        n
+    }
+
     pub fn add(&mut self, chr: u8) {
         self.dirty = true;
         self.pre.push(chr);
diff --git a/src/main.rs b/src/main.rs
index aacdb56..e270acf 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -165,6 +165,16 @@ impl Session {
         self.line.del_right();
         self.line.display_post(b" ");
     }
+
+    fn move_to_begin(&mut self) {
+        cursor::move_cursor(Direction::Left, self.line.all_left());
+        io::stdout().flush().unwrap();
+    }
+
+    fn move_to_end(&mut self) {
+        cursor::move_cursor(Direction::Right, self.line.all_right());
+        io::stdout().flush().unwrap();
+    }
 }
 
 fn read1() -> u8 {
@@ -203,10 +213,23 @@ fn event_loop() {
         };
 
         match buf[0] {
+            // Ctrl+A
+            1 => {
+                se.move_to_begin();
+                continue;
+            }
+
+            // Ctrl+E
+            5 => {
+                se.move_to_end();
+                continue;
+            }
+
             // Ctrl+C
             3 => {
                 se.clear_prompt();
                 se.history_visit = 0;
+                continue;
             }
 
             // EOF