cargo fmt (#132)

examples/alternate_screen.rs

@@ -1,7 +1,7 @@
 extern crate crossterm;
 
 use crossterm::{style, AlternateScreen, ClearType, Color, Crossterm};
-use std::{thread, time, io};
+use std::{io, thread, time};
 
 fn print_wait_screen() -> io::Result<()> {
     let crossterm = Crossterm::new();

examples/crossterm.rs

@@ -1,21 +1,76 @@
 extern crate crossterm;
 
-use crossterm::{Color, Crossterm};
+//use crossterm::{Color, Crossterm};
 
-/// use the `Crossterm` to get an instance to the cursor module | demonstration.
-pub fn main() {
-    // Create the crossterm type to access different modules.
-    let crossterm = Crossterm::new();
+use crossterm::{
+    AlternateScreen, Attribute, ClearType, Crossterm, InputEvent, KeyEvent, Styler, TerminalCursor,
+};
+use std::io::Write;
+use std::{io, thread, time};
 
-    // pass a reference to the current screen.
-    let cursor = crossterm.cursor();
-    let color = crossterm.color();
+fn run() -> io::Result<()> {
+    let alternate_screen = AlternateScreen::to_alternate(true)?;
+    let crossterm = crossterm::Crossterm::new();
+    let input = crossterm.input();
+    let mut crossterm_events = input.read_sync();
+    loop {
+        if let Some(event) = crossterm_events.next() {
             let terminal = crossterm.terminal();
-    let terminal = crossterm.input();
-    let style = crossterm
-        .style("Black font on green background")
-        .with(Color::Black)
-        .on(Color::Green);
-
-    // TODO: perform some actions with the instances above.
+            let cursor = crossterm.cursor();
+            cursor.goto(1, 1)?;
+            terminal.clear(ClearType::UntilNewLine)?;
+            if let InputEvent::Keyboard(key) = &event {
+                match key {
+                    KeyEvent::Ctrl('q') => {
+                        println!("quitting...");
+                        ::std::io::stdout().flush();
+                        break;
                     }
+                    _ => {
+                        let s = "event";
+                        println!(
+                            " {}{}{} : {:?}",
+                            Attribute::Bold,
+                            s,
+                            Attribute::Reset,
+                            event
+                        );
+                    }
+                }
+            } else {
+                println!("disregarding unrelevant event: {:?}", event);
+            }
+        }
+    }
+    thread::sleep(time::Duration::from_secs(1));
+    Ok(())
+}
+
+fn main() {
+    match run() {
+        Ok(_) => {
+            println!("ok");
+        }
+        Err(e) => {
+            println!("error {:?}", e);
+        }
+    }
+}
+
+// use the `Crossterm` to get an instance to the cursor module | demonstration.
+//pub fn main() {
+//    // Create the crossterm type to access different modules.
+//    let crossterm = Crossterm::new();
+//
+//    // pass a reference to the current screen.
+//    let cursor = crossterm.cursor();
+//    let color = crossterm.color();
+//    let terminal = crossterm.terminal();
+//    let terminal = crossterm.input();
+//    let style = crossterm
+//        .style("Black font on green background")
+//        .with(Color::Black)
+//        .on(Color::Green);
+//
+//    // TODO: perform some actions with the instances above.
+//}