minicrossterm/crossterm_terminal/src/terminal/mod.rs
Timon 1a60924abd
Command API experiment (#175)
- Command API to introduce easier usability, better performance, and more control over to which buffer to write, and when to flush the buffer to the terminal.
2019-07-24 20:10:27 +02:00

54 lines
1.9 KiB
Rust

//! A module that contains all the actions related to the terminal. like clearing, resizing, pausing and scrolling the terminal.
#[cfg(test)]
mod test;
mod terminal;
mod ansi_terminal;
#[cfg(windows)]
mod winapi_terminal;
use self::ansi_terminal::AnsiTerminal;
#[cfg(windows)]
use self::winapi_terminal::WinApiTerminal;
pub use self::terminal::{terminal, Clear, ScrollDown, ScrollUp, SetSize, Terminal};
use crossterm_utils::Result;
/// Enum with the different values to clear the terminal.
#[derive(Clone)]
pub enum ClearType {
/// clear all cells in terminal.
All,
/// clear all cells from the cursor position downwards in terminal.
FromCursorDown,
/// clear all cells from the cursor position upwards in terminal.
FromCursorUp,
/// clear current line cells in terminal.
CurrentLine,
/// clear all cells from cursor position until new line in terminal.
UntilNewLine,
}
/// This trait defines the actions that can be performed with the terminal color.
/// This trait can be implemented so that an concrete implementation of the ITerminalColor can fulfill.
/// the wishes to work on an specific platform.
///
/// ## For example:
///
/// This trait is implemented for `WinApi` (Windows specific) and `ANSI` (Unix specific),
/// so that terminal related actions can be performed on both Unix and Windows systems.
trait ITerminal {
/// Clear the current cursor by specifying the clear type
fn clear(&self, clear_type: ClearType) -> Result<()>;
/// Get the terminal size (x,y)
fn terminal_size(&self) -> (u16, u16);
/// Scroll `n` lines up in the current terminal.
fn scroll_up(&self, count: i16) -> Result<()>;
/// Scroll `n` lines down in the current terminal.
fn scroll_down(&self, count: i16) -> Result<()>;
/// Resize terminal to the given width and height.
fn set_size(&self, width: i16, height: i16) -> Result<()>;
}