Only call editor::refresh_screen on a key press

src/editor.rs

@@ -737,7 +737,7 @@ impl Editor {
 
         loop {
             self.set_status_message(&format!("{} {}", prompt, buffer));
-            self.refresh_screen();
+            self.refresh_screen(false);
 
             let ch = self.read_key();
             if ch.is_some() {
@@ -1053,7 +1053,7 @@ impl Editor {
             &self.filename
         };
 
-        let modified = if self.dirty > 0 { "(modified}" } else { "" };
+        let modified = if self.dirty > 0 { "(modified)" } else { "" };
 
         let mut left_message = format!("{:.80} - {} lines {}", filename, self.rows.len(), modified);
         let file_type = match &self.syntax {
@@ -1094,12 +1094,16 @@ impl Editor {
         }
     }
 
-    pub fn refresh_screen(&mut self) {
+    pub fn refresh_screen(&mut self, skip_refresh: bool) {
+        if skip_refresh {
+            return;
+        }
+
         self.scroll();
         self.output_buffer.clear();
 
         //  Hide cursor, reposition cursor
-        // self.append_out("\x1b[?25l");
+        self.append_out("\x1b[?25l");
         self.append_out("\x1b[H");
 
         self.draw_rows();
@@ -1113,7 +1117,7 @@ impl Editor {
         self.append_out(&cursor_code.as_str());
 
         // Show cursor
-        // self.append_out("\x1b[?25h");
+        self.append_out("\x1b[?25h");
 
         let stdout = io::stdout();
         let mut handle = stdout.lock();

src/main.rs

@@ -38,19 +38,24 @@ fn main() -> Result<(), Error> {
 
     editor.set_status_message("HELP: Ctrl-S = save | Ctrl-Q = quit | Ctrl-F = find");
 
+    let mut skip_refresh: bool = false;
+
     // Main input loop. Editor::process_keypress uses an Option Enum as a sentinel.
     // `None` is returned on a quit action, in other cases, `Some(())` is returned,
     // continuing the loop
     loop {
-        editor.refresh_screen();
+        editor.refresh_screen(skip_refresh);
 
         match editor.process_keypress() {
             Some(key) => {
                 match key {
-                    editor::KeyCode::OtherKey('\0') => (),
+                    editor::KeyCode::OtherKey('\0') => {
-
+                        skip_refresh = true;
-                    // Just for debugging
+                    }
-                    _ => (), //println!("{:?}\r\n", key)
+                    _ => {
+                        skip_refresh = false;
+                        //println!("{:?}\r\n", key)
+                    }
                 }
             }
             None => break,