Rename Mode to Style

Mode is somewhat ambiguous term, which is often overused, for that reason I want to avoid it. This is a breaking change, but I don't guarantee stability yet, however I'll do my best to not break things.

examples/simple.rs

@@ -1,6 +1,6 @@
 extern crate libterm;
 
-use libterm::{TermControl, IntoRawMode, Color, Mode};
+use libterm::{TermControl, IntoRawMode, Color, Style};
 use std::io::{Read, Write, stdout, stdin};
 
 fn main() {
@@ -10,7 +10,7 @@ fn main() {
 
     stdout.goto(5, 5).unwrap();
     stdout.clear().unwrap();
-    stdout.mode(Mode::Bold).unwrap();
+    stdout.style(Style::Bold).unwrap();
     stdout.write(b"yo, 'q' will exit.").unwrap();
     stdout.reset().unwrap();
     stdout.flush().unwrap();

src/control.rs

@@ -1,5 +1,5 @@
 use std::io::{Write, Result as IoResult};
-use {Color, Mode};
+use {Color, Style};
 
 /// Controlling terminals.
 pub trait TermControl {
@@ -12,10 +12,14 @@ pub trait TermControl {
     fn dsc(&mut self, b: &[u8]) -> IoResult<usize>;
 
 
-    /// Clear the terminal.
+    /// Clear the entire screen.
     fn clear(&mut self) -> IoResult<usize> {
         self.csi(b"2J")
     }
+    /// Clear the current line.
+    fn clear_line(&mut self) -> IoResult<usize> {
+        self.csi(b"2K")
+    }
     /// Show the cursor.
     fn show(&mut self) -> IoResult<usize> {
         self.csi(b"?25h")
@@ -85,7 +89,7 @@ pub trait TermControl {
         ])
     }
     /// Set rendition mode (SGR).
-    fn mode(&mut self, mode: Mode) -> IoResult<usize> {
+    fn style(&mut self, mode: Style) -> IoResult<usize> {
         self.rendition(mode as u8)
     }
 }

src/lib.rs

@@ -21,8 +21,8 @@ pub use size::terminal_size;
 mod color;
 pub use color::Color;
 
-mod mode;
-pub use mode::Mode;
+mod style;
+pub use style::Style;
 
 mod extra;
 pub use extra::ReadExt;

src/style.rs

@@ -1,5 +1,5 @@
 /// A SGR parameter (rendition mode).
-pub enum Mode {
+pub enum Style {
     /// Reset SGR parameters.
     Reset = 0,
     /// Bold text.