added drop disable

examples/examples.rs

@@ -19,6 +19,5 @@ use std::io::Write;
 use std::{thread,time};
 fn main()
 {
-   terminal::raw_mode::print_wait_screen_on_alternate_window();
-    thread::sleep(time::Duration::from_millis(2000));
+
 }

examples/input/keyboard/async_input.rs

@@ -86,7 +86,7 @@ pub fn read_async_demo() {
 
         // get the next pressed key
         let pressed_key = stdin.next();
-        terminal.write(format!("\r{:?}    <- Character pressed", pressed_key));
+        terminal.write(format!("{:?}    <- Character pressed", pressed_key));
 
         // check if pressed key is enter (\r)
         if let Some(Ok(b'\r')) = pressed_key {
@@ -123,7 +123,7 @@ pub fn async_reading_on_alternate_screen() {
             // get the next pressed key
             let pressed_key = stdin.next();
 
-            terminal.write(format!("\r{:?}    <- Character pressed", pressed_key));
+            terminal.write(format!("{:?}    <- Character pressed", pressed_key));
 
             // check if pressed key is enter (\r)
             if let Some(Ok(b'\r')) = pressed_key {

src/common/screen/screen.rs

@@ -45,6 +45,7 @@ pub struct Screen
 {
     buffer: Vec<u8>,
     pub stdout: Arc<TerminalOutput>,
+    drop: bool,
 }
 
 impl Screen
@@ -90,13 +91,19 @@ impl Screen
         self.stdout.write_buf(&self.buffer);
         self.stdout.flush()
     }
+
+    // this will disable the drop which will cause raw modes not to be undone on drop of `Screen`.
+    pub fn disable_drop(&self)
+    {
+        self.drop = false;
+    }
 }
 
 impl From<TerminalOutput> for Screen
 {
     /// Create an screen with the given `Stdout`
     fn from(stdout: TerminalOutput) -> Self {
-        return Screen { stdout: Arc::new(stdout), buffer: Vec::new() };
+        return Screen { stdout: Arc::new(stdout), buffer: Vec::new(), drop: true};
     }
 }
 
@@ -104,7 +111,7 @@ impl From<Arc<TerminalOutput>> for Screen
 {
     /// Create an screen with the given 'Arc<Stdout>'
     fn from(stdout: Arc<TerminalOutput>) -> Self {
-        return Screen { stdout: stdout, buffer: Vec::new() };
+        return Screen { stdout: stdout, buffer: Vec::new() drop: true};
     }
 }
 
@@ -112,7 +119,7 @@ impl Default for Screen
 {
     /// Create an new screen which will not be in raw mode or alternate mode.
     fn default() -> Self {
-        return Screen { stdout: Arc::new(TerminalOutput::new(false)), buffer: Vec::new() };
+        return Screen { stdout: Arc::new(TerminalOutput::new(false)), buffer: Vec::new(), drop: true};
     }
 }
 
@@ -120,7 +127,7 @@ impl Drop for Screen
 {
     /// If the current screen is in raw mode whe need to disable it when the instance goes out of scope.
     fn drop(&mut self) {
-        if self.stdout.is_in_raw_mode
+        if self.stdout.is_in_raw_mode && self.drop
         {
             RawScreen::disable_raw_modes();
         }