Finish chapter 5

src/editor.rs

@@ -218,7 +218,7 @@ impl Editor {
                         '6' => PageDown,
                         '7' => HomeKey,
                         '8' => EndKey,
-                        _ => input[1], // Escape,
+                        _ => Escape,
                     };
 
                     return Some(action);
@@ -289,6 +289,16 @@ impl Editor {
             if char.is_some() {
                 let char = char.unwrap();
                 match char {
+                    Backspace => {
+                        buffer.pop();
+                    },
+                    DeleteKey => {
+                        buffer.pop();
+                    },
+                    Escape => {
+                        self.set_status_message("");
+                        return String::from("");
+                    }
                     Enter => {
                         if buffer.len() != 0 {
                             self.set_status_message("");
@@ -810,7 +820,11 @@ impl Editor {
 
     fn save(&mut self) -> io::Result<()> {
         if self.filename.len() == 0 {
-            self.filename = self.prompt("Save as:");
+            self.filename = self.prompt("Save as (ESC to cancel):");
+            if self.filename.len() == 0 {
+                self.set_status_message("Save aborted");
+                return Ok(())
+            }
         }
 
         let mut file = File::create(&self.filename)?;