From 0b7be9398e3b9b0fbe792c51e019e79914f9fd23 Mon Sep 17 00:00:00 2001
From: Nbiba Bedis <bedisnbiba@gmail.com>
Date: Tue, 19 Jan 2021 18:55:30 +0100
Subject: use alternate mode

---
 src/display/ui.rs |  1 -
 src/main.rs       | 11 ++++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/display/ui.rs b/src/display/ui.rs
index bc459cc..111dfe1 100644
--- a/src/display/ui.rs
+++ b/src/display/ui.rs
@@ -190,7 +190,6 @@ where
         self.ip_to_host.extend(ip_to_host);
     }
     pub fn end(&mut self) {
-        self.terminal.clear().unwrap();
         self.terminal.show_cursor().unwrap();
     }
 }
diff --git a/src/main.rs b/src/main.rs
index dfc8ce9..c64504d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,6 +24,7 @@ use ::ratatui::backend::Backend;
 
 use std::process;
 
+use ::std::io::Write;
 use ::std::net::Ipv4Addr;
 use ::std::time::{Duration, Instant};
 use ::ratatui::backend::CrosstermBackend;
@@ -88,7 +89,9 @@ fn try_main() -> Result<(), failure::Error> {
     } else {
         match terminal::enable_raw_mode() {
             Ok(()) => {
-                let stdout = std::io::stdout();
+                let mut stdout = std::io::stdout();
+                // Ignore enteralternatescreen error
+                let _ = crossterm::execute!(&mut stdout, terminal::EnterAlternateScreen);
                 let terminal_backend = CrosstermBackend::new(stdout);
                 start(terminal_backend, os_input, opts);
             }
@@ -239,6 +242,12 @@ where
                                     Ok(_) => {}
                                     Err(_) => println!("Error could not disable raw input"),
                                 }
+                                let mut stdout = std::io::stdout();
+                                if let Err(_) =
+                                    crossterm::execute!(&mut stdout, terminal::LeaveAlternateScreen)
+                                {
+                                    println!("Error could not leave alternte screen");
+                                };
                                 break;
                             }
                             Event::Key(KeyEvent {
-- 
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