162 lines
4.4 KiB
Rust
162 lines
4.4 KiB
Rust
/*
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* meli
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*
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* Copyright 2017-2018 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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//! Terminal grid cells, keys, colors, etc.
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use serde::{de, de::Visitor, Deserialize, Deserializer};
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mod braille;
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mod color;
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mod screen;
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pub use color::*;
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#[macro_use]
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pub mod position;
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#[macro_use]
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pub mod cells;
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#[macro_use]
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pub mod keys;
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pub mod embed;
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pub mod text_editing;
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use std::io::{BufRead, Write};
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pub use braille::BraillePixelIter;
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pub use screen::{Area, Screen, ScreenGeneration, StateStdout, Tty, Virtual};
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pub use self::{cells::*, keys::*, position::*, text_editing::*};
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/*
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* CSI events we use
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*/
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pub const BRACKET_PASTE_START: &[u8] = b"\x1B[200~";
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pub const BRACKET_PASTE_END: &[u8] = b"\x1B[201~";
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// Some macros taken from termion:
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/// Create a CSI-introduced sequence.
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macro_rules! csi {
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($( $l:expr ),*) => { concat!("\x1b[", $( $l ),*) };
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}
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/// Derive a CSI sequence struct.
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macro_rules! derive_csi_sequence {
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($(#[$outer:meta])*
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($name:ident, $value:expr)) => {
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$(#[$outer])*
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#[derive(Copy, Clone)]
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pub struct $name;
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impl std::fmt::Display for $name {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(f, csi!($value))
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}
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}
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impl AsRef<[u8]> for $name {
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fn as_ref(&self) -> &'static [u8] {
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csi!($value).as_bytes()
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}
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}
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impl AsRef<str> for $name {
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fn as_ref(&self) -> &'static str {
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csi!($value)
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}
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}
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};
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}
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derive_csi_sequence!(
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///Ps = 1 0 0 2 ⇒ Don't use Cell Motion Mouse Tracking, xterm
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(DisableMouse, "?1002l")
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);
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derive_csi_sequence!(
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///Ps = 1 0 0 2 ⇒ Use Cell Motion Mouse Tracking, xterm
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(EnableMouse, "?1002h")
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);
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derive_csi_sequence!(
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///Ps = 1 0 0 6 Enable SGR Mouse Mode, xterm.
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(EnableSGRMouse, "?1006h")
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);
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derive_csi_sequence!(
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///Ps = 1 0 0 6 Disable SGR Mouse Mode, xterm.
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(DisableSGRMouse, "?1006l")
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);
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derive_csi_sequence!(
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#[doc = "`CSI Ps ; Ps ; Ps t`, where `Ps = 2 2 ; 0` -> Save xterm icon and window title on \
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stack."]
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(SaveWindowTitleIconToStack, "22;0t")
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);
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derive_csi_sequence!(
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#[doc = "Restore window title and icon from terminal's title stack. `CSI Ps ; Ps ; Ps t`, \
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where `Ps = 2 3 ; 0` -> Restore xterm icon and window title from stack."]
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(RestoreWindowTitleIconFromStack, "23;0t")
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);
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derive_csi_sequence!(
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#[doc = "Empty struct with a Display implementation that returns the byte sequence to start [Bracketed Paste Mode](http://www.xfree86.org/current/ctlseqs.html#Bracketed%20Paste%20Mode)"]
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(BracketModeStart, "?2004h")
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);
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derive_csi_sequence!(
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#[doc = "Empty struct with a Display implementation that returns the byte sequence to end [Bracketed Paste Mode](http://www.xfree86.org/current/ctlseqs.html#Bracketed%20Paste%20Mode)"]
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(BracketModeEnd, "?2004l")
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);
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pub struct Ask {
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pub message: String,
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}
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impl Ask {
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pub fn run(self) -> bool {
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let mut buffer = String::new();
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let stdin = std::io::stdin();
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let mut handle = stdin.lock();
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print!("{} [Y/n] ", &self.message);
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let _ = std::io::stdout().flush();
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loop {
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buffer.clear();
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handle
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.read_line(&mut buffer)
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.expect("Could not read from stdin.");
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match buffer.trim() {
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"" | "Y" | "y" | "yes" | "YES" | "Yes" => {
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return true;
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}
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"n" | "N" | "no" | "No" | "NO" => {
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return false;
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}
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_ => {
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print!("\n{} [Y/n] ", &self.message);
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let _ = std::io::stdout().flush();
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}
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}
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}
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}
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}
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