only use raw mode

1 files changed, 74 insertions, 9 deletions

diff --git a/src/bin/client/repl.rs b/src/bin/client/repl.rs
index b2f6ecd..4e787cb 100644
--- a/src/bin/client/repl.rs
+++ b/src/bin/client/repl.rs
@@ -6,7 +6,7 @@ use std::time::Instant;
 use crate::connection;
 use crate::database;
 
-use crossterm::{event::{read, Event, KeyCode, KeyModifiers}, terminal::{disable_raw_mode, enable_raw_mode, Clear, ClearType}, cursor::{MoveToColumn, Show}, execute};
+use crossterm::{event::{read, Event, KeyCode, KeyModifiers}, terminal::{disable_raw_mode, enable_raw_mode, Clear, ClearType}, cursor::{MoveToColumn, Show, Hide}, execute};
 
 use sha2::{Sha256, Digest};
 
@@ -172,7 +172,7 @@ impl ClientState {
                                     if username.is_empty() {
                                         continue 'outer;
                                     }
-                                    let password = read_line("Password: ");
+                                    let password = read_password("Password: ");
                                     if password.is_empty() {
                                         continue 'outer;
                                     }
@@ -217,7 +217,7 @@ impl ClientState {
                                         if username.is_empty() {
                                             break;
                                         }
-                                        let password = read_line("Password: ");
+                                        let password = read_password("Password: ");
                                         if password.is_empty() {
                                             break;
                                         }
@@ -268,7 +268,7 @@ impl ClientState {
                                     if username.is_empty() {
                                         continue 'outer;
                                     }
-                                    let password = read_line("Password: ");
+                                    let password = read_password("Password: ");
                                     if password.is_empty() {
                                         continue 'outer;
                                     }
@@ -367,14 +367,13 @@ impl ClientState {
             *current_input = matches[0].clone();
             redraw(current_input);
         } else if matches.len() > 1 {
-            disable_raw_mode().unwrap();
             execute!(stdout(), Show).unwrap();
             println!("\nPossible completions:");
             for m in &matches {
                 print!("{} ", m);
             }
             println!();
-            enable_raw_mode().unwrap();
+            execute!(stdout(), Hide).unwrap();
             redraw(current_input);
         }
         // else do nothing
@@ -420,12 +419,78 @@ fn redraw(current_input: &str) {
 }
 
 fn read_line(prompt: &str) -> String {
-    disable_raw_mode().unwrap();
     execute!(stdout(), Show).unwrap();
     print!("{}", prompt);
     stdout().flush().unwrap();
+    
     let mut input = String::new();
-    std::io::stdin().read_line(&mut input).unwrap();
-    enable_raw_mode().unwrap();
+    let prompt_len = prompt.len();
+    
+    loop {
+        match read().unwrap() {
+            Event::Key(key) => match key.code {
+                KeyCode::Enter => {
+                    println!();
+                    break;
+                }
+                KeyCode::Backspace => {
+                    if !input.is_empty() {
+                        input.pop();
+                        // Move cursor back and clear from current position to end of line
+                        execute!(stdout(), MoveToColumn((prompt_len + input.len() + 1) as u16), 
+                                Clear(ClearType::UntilNewLine)).unwrap();
+                        stdout().flush().unwrap();
+                    }
+                }
+                KeyCode::Char(c) => {
+                    input.push(c);
+                    print!("{}", c);
+                    stdout().flush().unwrap();
+                }
+                _ => {}
+            },
+            _ => {}
+        }
+    }
+    input.trim().to_string()
+}
+
+fn read_password(prompt: &str) -> String {
+    execute!(stdout(), Show).unwrap();
+    print!("{}", prompt);
+    stdout().flush().unwrap();
+    
+    let mut input = String::new();
+    let mut display = String::new();
+    let prompt_len = prompt.len();
+    
+    loop {
+        match read().unwrap() {
+            Event::Key(key) => match key.code {
+                KeyCode::Enter => {
+                    println!();
+                    break;
+                }
+                KeyCode::Backspace => {
+                    if !input.is_empty() {
+                        input.pop();
+                        display.pop();
+                        // Move cursor back and clear from current position to end of line
+                        execute!(stdout(), MoveToColumn((prompt_len + display.len() + 1) as u16), 
+                                Clear(ClearType::UntilNewLine)).unwrap();
+                        stdout().flush().unwrap();
+                    }
+                }
+                KeyCode::Char(c) => {
+                    input.push(c);
+                    display.push('*');
+                    print!("*");
+                    stdout().flush().unwrap();
+                }
+                _ => {}
+            },
+            _ => {}
+        }
+    }
     input.trim().to_string()
 }