1340 lines
44 KiB
Rust
1340 lines
44 KiB
Rust
pub mod mappings;
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pub mod terminal_container_view;
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pub mod terminal_element;
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pub mod terminal_view;
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use alacritty_terminal::{
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ansi::{ClearMode, Handler},
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config::{Config, Program, PtyConfig, Scrolling},
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event::{Event as AlacTermEvent, EventListener, Notify, WindowSize},
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event_loop::{EventLoop, Msg, Notifier},
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grid::{Dimensions, Scroll as AlacScroll},
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index::{Column, Direction as AlacDirection, Line, Point},
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selection::{Selection, SelectionRange, SelectionType},
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sync::FairMutex,
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term::{
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cell::Cell,
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color::Rgb,
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search::{Match, RegexIter, RegexSearch},
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RenderableCursor, TermMode,
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},
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tty::{self, setup_env},
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Term,
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};
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use anyhow::{bail, Result};
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use futures::{
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channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender},
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FutureExt,
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};
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use mappings::mouse::{
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alt_scroll, grid_point, mouse_button_report, mouse_moved_report, mouse_side, scroll_report,
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};
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use procinfo::LocalProcessInfo;
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use settings::{AlternateScroll, Settings, Shell, TerminalBlink};
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use util::ResultExt;
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use std::{
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cmp::min,
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collections::{HashMap, VecDeque},
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fmt::Display,
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io,
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ops::{Deref, Index, RangeInclusive, Sub},
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os::unix::{prelude::AsRawFd, process::CommandExt},
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path::PathBuf,
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process::Command,
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sync::Arc,
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time::{Duration, Instant},
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};
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use thiserror::Error;
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use gpui::{
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geometry::vector::{vec2f, Vector2F},
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keymap::Keystroke,
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scene::{DownRegionEvent, DragRegionEvent, ScrollWheelRegionEvent, UpRegionEvent},
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ClipboardItem, Entity, ModelContext, MouseButton, MouseMovedEvent, MutableAppContext, Task,
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};
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use crate::mappings::{
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colors::{get_color_at_index, to_alac_rgb},
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keys::to_esc_str,
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};
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use lazy_static::lazy_static;
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///Initialize and register all of our action handlers
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pub fn init(cx: &mut MutableAppContext) {
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terminal_view::init(cx);
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terminal_container_view::init(cx);
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}
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///Scrolling is unbearably sluggish by default. Alacritty supports a configurable
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///Scroll multiplier that is set to 3 by default. This will be removed when I
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///Implement scroll bars.
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const SCROLL_MULTIPLIER: f32 = 4.;
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const MAX_SEARCH_LINES: usize = 100;
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const DEBUG_TERMINAL_WIDTH: f32 = 500.;
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const DEBUG_TERMINAL_HEIGHT: f32 = 30.;
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const DEBUG_CELL_WIDTH: f32 = 5.;
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const DEBUG_LINE_HEIGHT: f32 = 5.;
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// Regex Copied from alacritty's ui_config.rs
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lazy_static! {
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static ref URL_REGEX: RegexSearch = RegexSearch::new("(ipfs:|ipns:|magnet:|mailto:|gemini:|gopher:|https:|http:|news:|file:|git:|ssh:|ftp:)[^\u{0000}-\u{001F}\u{007F}-\u{009F}<>\"\\s{-}\\^⟨⟩`]+").unwrap();
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}
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///Upward flowing events, for changing the title and such
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#[derive(Clone, Copy, Debug)]
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pub enum Event {
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TitleChanged,
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BreadcrumbsChanged,
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CloseTerminal,
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Bell,
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Wakeup,
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BlinkChanged,
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SelectionsChanged,
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}
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#[derive(Clone)]
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enum InternalEvent {
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ColorRequest(usize, Arc<dyn Fn(Rgb) -> String + Sync + Send + 'static>),
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Resize(TerminalSize),
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Clear,
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// FocusNextMatch,
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Scroll(AlacScroll),
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ScrollToPoint(Point),
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SetSelection(Option<(Selection, Point)>),
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UpdateSelection(Vector2F),
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// Adjusted mouse position, should open
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FindHyperlink(Vector2F, bool),
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Copy,
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}
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///A translation struct for Alacritty to communicate with us from their event loop
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#[derive(Clone)]
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pub struct ZedListener(UnboundedSender<AlacTermEvent>);
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impl EventListener for ZedListener {
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fn send_event(&self, event: AlacTermEvent) {
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self.0.unbounded_send(event).ok();
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}
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}
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#[derive(Clone, Copy, Debug)]
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pub struct TerminalSize {
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cell_width: f32,
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line_height: f32,
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height: f32,
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width: f32,
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}
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impl TerminalSize {
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pub fn new(line_height: f32, cell_width: f32, size: Vector2F) -> Self {
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TerminalSize {
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cell_width,
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line_height,
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width: size.x(),
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height: size.y(),
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}
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}
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pub fn num_lines(&self) -> usize {
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(self.height / self.line_height).floor() as usize
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}
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pub fn num_columns(&self) -> usize {
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(self.width / self.cell_width).floor() as usize
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}
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pub fn height(&self) -> f32 {
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self.height
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}
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pub fn width(&self) -> f32 {
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self.width
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}
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pub fn cell_width(&self) -> f32 {
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self.cell_width
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}
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pub fn line_height(&self) -> f32 {
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self.line_height
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}
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}
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impl Default for TerminalSize {
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fn default() -> Self {
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TerminalSize::new(
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DEBUG_LINE_HEIGHT,
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DEBUG_CELL_WIDTH,
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vec2f(DEBUG_TERMINAL_WIDTH, DEBUG_TERMINAL_HEIGHT),
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)
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}
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}
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impl From<TerminalSize> for WindowSize {
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fn from(val: TerminalSize) -> Self {
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WindowSize {
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num_lines: val.num_lines() as u16,
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num_cols: val.num_columns() as u16,
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cell_width: val.cell_width() as u16,
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cell_height: val.line_height() as u16,
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}
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}
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}
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impl Dimensions for TerminalSize {
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/// Note: this is supposed to be for the back buffer's length,
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/// but we exclusively use it to resize the terminal, which does not
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/// use this method. We still have to implement it for the trait though,
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/// hence, this comment.
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fn total_lines(&self) -> usize {
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self.screen_lines()
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}
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fn screen_lines(&self) -> usize {
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self.num_lines()
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}
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fn columns(&self) -> usize {
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self.num_columns()
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}
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}
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#[derive(Error, Debug)]
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pub struct TerminalError {
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pub directory: Option<PathBuf>,
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pub shell: Option<Shell>,
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pub source: std::io::Error,
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}
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impl TerminalError {
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pub fn fmt_directory(&self) -> String {
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self.directory
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.clone()
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.map(|path| {
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match path
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.into_os_string()
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.into_string()
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.map_err(|os_str| format!("<non-utf8 path> {}", os_str.to_string_lossy()))
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{
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Ok(s) => s,
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Err(s) => s,
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}
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})
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.unwrap_or_else(|| {
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let default_dir =
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dirs::home_dir().map(|buf| buf.into_os_string().to_string_lossy().to_string());
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match default_dir {
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Some(dir) => format!("<none specified, using home directory> {}", dir),
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None => "<none specified, could not find home directory>".to_string(),
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}
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})
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}
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pub fn shell_to_string(&self) -> Option<String> {
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self.shell.as_ref().map(|shell| match shell {
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Shell::System => "<system shell>".to_string(),
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Shell::Program(p) => p.to_string(),
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Shell::WithArguments { program, args } => format!("{} {}", program, args.join(" ")),
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})
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}
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pub fn fmt_shell(&self) -> String {
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self.shell
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.clone()
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.map(|shell| match shell {
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Shell::System => "<system defined shell>".to_string(),
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Shell::Program(s) => s,
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Shell::WithArguments { program, args } => format!("{} {}", program, args.join(" ")),
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})
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.unwrap_or_else(|| "<none specified, using system defined shell>".to_string())
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}
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}
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impl Display for TerminalError {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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let dir_string: String = self.fmt_directory();
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let shell = self.fmt_shell();
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write!(
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f,
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"Working directory: {} Shell command: `{}`, IOError: {}",
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dir_string, shell, self.source
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)
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}
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}
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pub struct TerminalBuilder {
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terminal: Terminal,
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events_rx: UnboundedReceiver<AlacTermEvent>,
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}
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impl TerminalBuilder {
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pub fn new(
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working_directory: Option<PathBuf>,
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shell: Option<Shell>,
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env: Option<HashMap<String, String>>,
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blink_settings: Option<TerminalBlink>,
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alternate_scroll: &AlternateScroll,
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window_id: usize,
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) -> Result<TerminalBuilder> {
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let pty_config = {
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let alac_shell = shell.clone().and_then(|shell| match shell {
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Shell::System => None,
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Shell::Program(program) => Some(Program::Just(program)),
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Shell::WithArguments { program, args } => Some(Program::WithArgs { program, args }),
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});
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PtyConfig {
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shell: alac_shell,
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working_directory: working_directory.clone(),
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hold: false,
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}
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};
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let mut env = env.unwrap_or_default();
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//TODO: Properly set the current locale,
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env.insert("LC_ALL".to_string(), "en_US.UTF-8".to_string());
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let alac_scrolling = Scrolling::default();
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// alac_scrolling.set_history((BACK_BUFFER_SIZE * 2) as u32);
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let config = Config {
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pty_config: pty_config.clone(),
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env,
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scrolling: alac_scrolling,
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..Default::default()
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};
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setup_env(&config);
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//Spawn a task so the Alacritty EventLoop can communicate with us in a view context
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//TODO: Remove with a bounded sender which can be dispatched on &self
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let (events_tx, events_rx) = unbounded();
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//Set up the terminal...
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let mut term = Term::new(
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&config,
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&TerminalSize::default(),
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ZedListener(events_tx.clone()),
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);
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//Start off blinking if we need to
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if let Some(TerminalBlink::On) = blink_settings {
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term.set_mode(alacritty_terminal::ansi::Mode::BlinkingCursor)
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}
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//Alacritty defaults to alternate scrolling being on, so we just need to turn it off.
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if let AlternateScroll::Off = alternate_scroll {
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term.unset_mode(alacritty_terminal::ansi::Mode::AlternateScroll)
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}
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let term = Arc::new(FairMutex::new(term));
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//Setup the pty...
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let pty = match tty::new(
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&pty_config,
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TerminalSize::default().into(),
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window_id as u64,
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) {
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Ok(pty) => pty,
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Err(error) => {
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bail!(TerminalError {
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directory: working_directory,
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shell,
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source: error,
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});
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}
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};
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let fd = pty.file().as_raw_fd();
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let shell_pid = pty.child().id();
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//And connect them together
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let event_loop = EventLoop::new(
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term.clone(),
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ZedListener(events_tx.clone()),
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pty,
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pty_config.hold,
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false,
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);
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//Kick things off
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let pty_tx = event_loop.channel();
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let _io_thread = event_loop.spawn();
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let terminal = Terminal {
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pty_tx: Notifier(pty_tx),
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term,
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events: VecDeque::with_capacity(10), //Should never get this high.
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last_content: Default::default(),
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last_mouse: None,
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matches: Vec::new(),
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last_synced: Instant::now(),
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sync_task: None,
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selection_head: None,
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shell_fd: fd as u32,
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shell_pid,
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foreground_process_info: None,
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breadcrumb_text: String::new(),
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scroll_px: 0.,
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last_mouse_position: None,
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next_link_id: 0,
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selection_phase: SelectionPhase::Ended,
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};
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Ok(TerminalBuilder {
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terminal,
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events_rx,
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})
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}
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pub fn subscribe(mut self, cx: &mut ModelContext<Terminal>) -> Terminal {
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//Event loop
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cx.spawn_weak(|this, mut cx| async move {
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use futures::StreamExt;
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while let Some(event) = self.events_rx.next().await {
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this.upgrade(&cx)?.update(&mut cx, |this, cx| {
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//Process the first event immediately for lowered latency
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this.process_event(&event, cx);
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});
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'outer: loop {
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let mut events = vec![];
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let mut timer = cx.background().timer(Duration::from_millis(4)).fuse();
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let mut wakeup = false;
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loop {
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futures::select_biased! {
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_ = timer => break,
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event = self.events_rx.next() => {
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if let Some(event) = event {
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if matches!(event, AlacTermEvent::Wakeup) {
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wakeup = true;
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} else {
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events.push(event);
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}
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if events.len() > 100 {
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break;
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}
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} else {
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break;
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}
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},
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}
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}
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if events.is_empty() {
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smol::future::yield_now().await;
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break 'outer;
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} else {
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this.upgrade(&cx)?.update(&mut cx, |this, cx| {
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for event in events {
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this.process_event(&event, cx);
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}
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if wakeup {
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this.process_event(&AlacTermEvent::Wakeup, cx);
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}
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});
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smol::future::yield_now().await;
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}
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}
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}
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Some(())
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})
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.detach();
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self.terminal
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}
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}
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|
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#[derive(Debug, Clone)]
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struct IndexedCell {
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point: Point,
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cell: Cell,
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}
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|
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impl Deref for IndexedCell {
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type Target = Cell;
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|
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#[inline]
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fn deref(&self) -> &Cell {
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&self.cell
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}
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}
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|
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#[derive(Clone)]
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pub struct TerminalContent {
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cells: Vec<IndexedCell>,
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mode: TermMode,
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display_offset: usize,
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selection_text: Option<String>,
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selection: Option<SelectionRange>,
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cursor: RenderableCursor,
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cursor_char: char,
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size: TerminalSize,
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last_hovered_hyperlink: Option<(String, RangeInclusive<Point>, usize)>,
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}
|
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|
|
impl Default for TerminalContent {
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fn default() -> Self {
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TerminalContent {
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cells: Default::default(),
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mode: Default::default(),
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display_offset: Default::default(),
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selection_text: Default::default(),
|
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selection: Default::default(),
|
|
cursor: RenderableCursor {
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shape: alacritty_terminal::ansi::CursorShape::Block,
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point: Point::new(Line(0), Column(0)),
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},
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cursor_char: Default::default(),
|
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size: Default::default(),
|
|
last_hovered_hyperlink: None,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(PartialEq, Eq)]
|
|
pub enum SelectionPhase {
|
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Selecting,
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|
Ended,
|
|
}
|
|
|
|
pub struct Terminal {
|
|
pty_tx: Notifier,
|
|
term: Arc<FairMutex<Term<ZedListener>>>,
|
|
events: VecDeque<InternalEvent>,
|
|
/// This is only used for mouse mode cell change detection
|
|
last_mouse: Option<(Point, AlacDirection)>,
|
|
/// This is only used for terminal hyperlink checking
|
|
last_mouse_position: Option<Vector2F>,
|
|
pub matches: Vec<RangeInclusive<Point>>,
|
|
last_content: TerminalContent,
|
|
last_synced: Instant,
|
|
sync_task: Option<Task<()>>,
|
|
selection_head: Option<Point>,
|
|
breadcrumb_text: String,
|
|
shell_pid: u32,
|
|
shell_fd: u32,
|
|
foreground_process_info: Option<LocalProcessInfo>,
|
|
scroll_px: f32,
|
|
next_link_id: usize,
|
|
selection_phase: SelectionPhase,
|
|
}
|
|
|
|
impl Terminal {
|
|
fn process_event(&mut self, event: &AlacTermEvent, cx: &mut ModelContext<Self>) {
|
|
match event {
|
|
AlacTermEvent::Title(title) => {
|
|
self.breadcrumb_text = title.to_string();
|
|
cx.emit(Event::BreadcrumbsChanged);
|
|
}
|
|
AlacTermEvent::ResetTitle => {
|
|
self.breadcrumb_text = String::new();
|
|
cx.emit(Event::BreadcrumbsChanged);
|
|
}
|
|
AlacTermEvent::ClipboardStore(_, data) => {
|
|
cx.write_to_clipboard(ClipboardItem::new(data.to_string()))
|
|
}
|
|
AlacTermEvent::ClipboardLoad(_, format) => self.write_to_pty(format(
|
|
&cx.read_from_clipboard()
|
|
.map(|ci| ci.text().to_string())
|
|
.unwrap_or_else(|| "".to_string()),
|
|
)),
|
|
AlacTermEvent::PtyWrite(out) => self.write_to_pty(out.clone()),
|
|
AlacTermEvent::TextAreaSizeRequest(format) => {
|
|
self.write_to_pty(format(self.last_content.size.into()))
|
|
}
|
|
AlacTermEvent::CursorBlinkingChange => {
|
|
cx.emit(Event::BlinkChanged);
|
|
}
|
|
AlacTermEvent::Bell => {
|
|
cx.emit(Event::Bell);
|
|
}
|
|
AlacTermEvent::Exit => cx.emit(Event::CloseTerminal),
|
|
AlacTermEvent::MouseCursorDirty => {
|
|
//NOOP, Handled in render
|
|
}
|
|
AlacTermEvent::Wakeup => {
|
|
cx.emit(Event::Wakeup);
|
|
|
|
if self.update_process_info() {
|
|
cx.emit(Event::TitleChanged)
|
|
}
|
|
}
|
|
AlacTermEvent::ColorRequest(idx, fun_ptr) => {
|
|
self.events
|
|
.push_back(InternalEvent::ColorRequest(*idx, fun_ptr.clone()));
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Update the cached process info, returns whether the Zed-relevant info has changed
|
|
fn update_process_info(&mut self) -> bool {
|
|
let mut pid = unsafe { libc::tcgetpgrp(self.shell_fd as i32) };
|
|
if pid < 0 {
|
|
pid = self.shell_pid as i32;
|
|
}
|
|
|
|
if let Some(process_info) = LocalProcessInfo::with_root_pid(pid as u32) {
|
|
let res = self
|
|
.foreground_process_info
|
|
.as_ref()
|
|
.map(|old_info| {
|
|
process_info.cwd != old_info.cwd || process_info.name != old_info.name
|
|
})
|
|
.unwrap_or(true);
|
|
|
|
self.foreground_process_info = Some(process_info.clone());
|
|
|
|
res
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
///Takes events from Alacritty and translates them to behavior on this view
|
|
fn process_terminal_event(
|
|
&mut self,
|
|
event: &InternalEvent,
|
|
term: &mut Term<ZedListener>,
|
|
cx: &mut ModelContext<Self>,
|
|
) {
|
|
match event {
|
|
InternalEvent::ColorRequest(index, format) => {
|
|
let color = term.colors()[*index].unwrap_or_else(|| {
|
|
let term_style = &cx.global::<Settings>().theme.terminal;
|
|
to_alac_rgb(get_color_at_index(index, &term_style.colors))
|
|
});
|
|
self.write_to_pty(format(color))
|
|
}
|
|
InternalEvent::Resize(mut new_size) => {
|
|
new_size.height = f32::max(new_size.line_height, new_size.height);
|
|
new_size.width = f32::max(new_size.cell_width, new_size.width);
|
|
|
|
self.last_content.size = new_size.clone();
|
|
|
|
self.pty_tx.0.send(Msg::Resize((new_size).into())).ok();
|
|
|
|
term.resize(new_size);
|
|
}
|
|
InternalEvent::Clear => {
|
|
self.write_to_pty("\x0c".to_string());
|
|
term.clear_screen(ClearMode::Saved);
|
|
}
|
|
InternalEvent::Scroll(scroll) => {
|
|
term.scroll_display(*scroll);
|
|
self.refresh_hyperlink();
|
|
}
|
|
InternalEvent::SetSelection(selection) => {
|
|
term.selection = selection.as_ref().map(|(sel, _)| sel.clone());
|
|
|
|
if let Some((_, head)) = selection {
|
|
self.selection_head = Some(*head);
|
|
}
|
|
cx.emit(Event::SelectionsChanged)
|
|
}
|
|
InternalEvent::UpdateSelection(position) => {
|
|
if let Some(mut selection) = term.selection.take() {
|
|
let point = grid_point(
|
|
*position,
|
|
self.last_content.size,
|
|
term.grid().display_offset(),
|
|
);
|
|
let side = mouse_side(*position, self.last_content.size);
|
|
|
|
selection.update(point, side);
|
|
term.selection = Some(selection);
|
|
|
|
self.selection_head = Some(point);
|
|
cx.emit(Event::SelectionsChanged)
|
|
}
|
|
}
|
|
|
|
InternalEvent::Copy => {
|
|
if let Some(txt) = term.selection_to_string() {
|
|
cx.write_to_clipboard(ClipboardItem::new(txt))
|
|
}
|
|
}
|
|
InternalEvent::ScrollToPoint(point) => {
|
|
term.scroll_to_point(*point);
|
|
self.refresh_hyperlink();
|
|
}
|
|
InternalEvent::FindHyperlink(position, open) => {
|
|
let prev_hyperlink = self.last_content.last_hovered_hyperlink.take();
|
|
|
|
let point = grid_point(
|
|
*position,
|
|
self.last_content.size,
|
|
term.grid().display_offset(),
|
|
)
|
|
.grid_clamp(term, alacritty_terminal::index::Boundary::Cursor);
|
|
|
|
let link = term.grid().index(point).hyperlink();
|
|
let found_url = if link.is_some() {
|
|
let mut min_index = point;
|
|
loop {
|
|
let new_min_index =
|
|
min_index.sub(term, alacritty_terminal::index::Boundary::Cursor, 1);
|
|
if new_min_index == min_index {
|
|
break;
|
|
} else if term.grid().index(new_min_index).hyperlink() != link {
|
|
break;
|
|
} else {
|
|
min_index = new_min_index
|
|
}
|
|
}
|
|
|
|
let mut max_index = point;
|
|
loop {
|
|
let new_max_index =
|
|
max_index.add(term, alacritty_terminal::index::Boundary::Cursor, 1);
|
|
if new_max_index == max_index {
|
|
break;
|
|
} else if term.grid().index(new_max_index).hyperlink() != link {
|
|
break;
|
|
} else {
|
|
max_index = new_max_index
|
|
}
|
|
}
|
|
|
|
let url = link.unwrap().uri().to_owned();
|
|
let url_match = min_index..=max_index;
|
|
|
|
Some((url, url_match))
|
|
} else if let Some(url_match) = regex_match_at(term, point, &URL_REGEX) {
|
|
let url = term.bounds_to_string(*url_match.start(), *url_match.end());
|
|
|
|
Some((url, url_match))
|
|
} else {
|
|
None
|
|
};
|
|
|
|
if let Some((url, url_match)) = found_url {
|
|
if *open {
|
|
open_uri(&url).log_err();
|
|
} else {
|
|
self.update_hyperlink(prev_hyperlink, url, url_match);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn update_hyperlink(
|
|
&mut self,
|
|
prev_hyperlink: Option<(String, RangeInclusive<Point>, usize)>,
|
|
url: String,
|
|
url_match: RangeInclusive<Point>,
|
|
) {
|
|
if let Some(prev_hyperlink) = prev_hyperlink {
|
|
if prev_hyperlink.0 == url && prev_hyperlink.1 == url_match {
|
|
self.last_content.last_hovered_hyperlink = Some((url, url_match, prev_hyperlink.2));
|
|
} else {
|
|
self.last_content.last_hovered_hyperlink =
|
|
Some((url, url_match, self.next_link_id()));
|
|
}
|
|
} else {
|
|
self.last_content.last_hovered_hyperlink = Some((url, url_match, self.next_link_id()));
|
|
}
|
|
}
|
|
|
|
fn next_link_id(&mut self) -> usize {
|
|
let res = self.next_link_id;
|
|
self.next_link_id = self.next_link_id.wrapping_add(1);
|
|
res
|
|
}
|
|
|
|
pub fn last_content(&self) -> &TerminalContent {
|
|
&self.last_content
|
|
}
|
|
|
|
//To test:
|
|
//- Activate match on terminal (scrolling and selection)
|
|
//- Editor search snapping behavior
|
|
|
|
pub fn activate_match(&mut self, index: usize) {
|
|
if let Some(search_match) = self.matches.get(index).cloned() {
|
|
self.set_selection(Some((make_selection(&search_match), *search_match.end())));
|
|
|
|
self.events
|
|
.push_back(InternalEvent::ScrollToPoint(*search_match.start()));
|
|
}
|
|
}
|
|
|
|
fn set_selection(&mut self, selection: Option<(Selection, Point)>) {
|
|
self.events
|
|
.push_back(InternalEvent::SetSelection(selection));
|
|
}
|
|
|
|
pub fn copy(&mut self) {
|
|
self.events.push_back(InternalEvent::Copy);
|
|
}
|
|
|
|
pub fn clear(&mut self) {
|
|
self.events.push_back(InternalEvent::Clear)
|
|
}
|
|
|
|
///Resize the terminal and the PTY.
|
|
pub fn set_size(&mut self, new_size: TerminalSize) {
|
|
self.events.push_back(InternalEvent::Resize(new_size))
|
|
}
|
|
|
|
///Write the Input payload to the tty.
|
|
fn write_to_pty(&self, input: String) {
|
|
self.pty_tx.notify(input.into_bytes());
|
|
}
|
|
|
|
pub fn input(&mut self, input: String) {
|
|
self.events
|
|
.push_back(InternalEvent::Scroll(AlacScroll::Bottom));
|
|
self.events.push_back(InternalEvent::SetSelection(None));
|
|
|
|
self.write_to_pty(input);
|
|
}
|
|
|
|
pub fn try_keystroke(&mut self, keystroke: &Keystroke, alt_is_meta: bool) -> bool {
|
|
let esc = to_esc_str(keystroke, &self.last_content.mode, alt_is_meta);
|
|
if let Some(esc) = esc {
|
|
self.input(esc);
|
|
true
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
///Paste text into the terminal
|
|
pub fn paste(&mut self, text: &str) {
|
|
let paste_text = if self.last_content.mode.contains(TermMode::BRACKETED_PASTE) {
|
|
format!("{}{}{}", "\x1b[200~", text.replace('\x1b', ""), "\x1b[201~")
|
|
} else {
|
|
text.replace("\r\n", "\r").replace('\n', "\r")
|
|
};
|
|
|
|
self.input(paste_text);
|
|
}
|
|
|
|
pub fn try_sync(&mut self, cx: &mut ModelContext<Self>) {
|
|
let term = self.term.clone();
|
|
|
|
let mut terminal = if let Some(term) = term.try_lock_unfair() {
|
|
term
|
|
} else if self.last_synced.elapsed().as_secs_f32() > 0.25 {
|
|
term.lock_unfair() //It's been too long, force block
|
|
} else if let None = self.sync_task {
|
|
//Skip this frame
|
|
let delay = cx.background().timer(Duration::from_millis(16));
|
|
self.sync_task = Some(cx.spawn_weak(|weak_handle, mut cx| async move {
|
|
delay.await;
|
|
cx.update(|cx| {
|
|
if let Some(handle) = weak_handle.upgrade(cx) {
|
|
handle.update(cx, |terminal, cx| {
|
|
terminal.sync_task.take();
|
|
cx.notify();
|
|
});
|
|
}
|
|
});
|
|
}));
|
|
return;
|
|
} else {
|
|
//No lock and delayed rendering already scheduled, nothing to do
|
|
return;
|
|
};
|
|
|
|
if self.update_process_info() {
|
|
cx.emit(Event::TitleChanged);
|
|
}
|
|
|
|
//Note that the ordering of events matters for event processing
|
|
while let Some(e) = self.events.pop_front() {
|
|
self.process_terminal_event(&e, &mut terminal, cx)
|
|
}
|
|
|
|
self.last_content = Self::make_content(&terminal, &self.last_content);
|
|
self.last_synced = Instant::now();
|
|
}
|
|
|
|
fn make_content(term: &Term<ZedListener>, last_content: &TerminalContent) -> TerminalContent {
|
|
let content = term.renderable_content();
|
|
TerminalContent {
|
|
cells: content
|
|
.display_iter
|
|
//TODO: Add this once there's a way to retain empty lines
|
|
// .filter(|ic| {
|
|
// !ic.flags.contains(Flags::HIDDEN)
|
|
// && !(ic.bg == Named(NamedColor::Background)
|
|
// && ic.c == ' '
|
|
// && !ic.flags.contains(Flags::INVERSE))
|
|
// })
|
|
.map(|ic| IndexedCell {
|
|
point: ic.point,
|
|
cell: ic.cell.clone(),
|
|
})
|
|
.collect::<Vec<IndexedCell>>(),
|
|
mode: content.mode,
|
|
display_offset: content.display_offset,
|
|
selection_text: term.selection_to_string(),
|
|
selection: content.selection,
|
|
cursor: content.cursor,
|
|
cursor_char: term.grid()[content.cursor.point].c,
|
|
size: last_content.size,
|
|
last_hovered_hyperlink: last_content.last_hovered_hyperlink.clone(),
|
|
}
|
|
}
|
|
|
|
pub fn focus_in(&self) {
|
|
if self.last_content.mode.contains(TermMode::FOCUS_IN_OUT) {
|
|
self.write_to_pty("\x1b[I".to_string());
|
|
}
|
|
}
|
|
|
|
pub fn focus_out(&mut self) {
|
|
self.last_mouse_position = None;
|
|
if self.last_content.mode.contains(TermMode::FOCUS_IN_OUT) {
|
|
self.write_to_pty("\x1b[O".to_string());
|
|
}
|
|
}
|
|
|
|
pub fn mouse_changed(&mut self, point: Point, side: AlacDirection) -> bool {
|
|
match self.last_mouse {
|
|
Some((old_point, old_side)) => {
|
|
if old_point == point && old_side == side {
|
|
false
|
|
} else {
|
|
self.last_mouse = Some((point, side));
|
|
true
|
|
}
|
|
}
|
|
None => {
|
|
self.last_mouse = Some((point, side));
|
|
true
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn mouse_mode(&self, shift: bool) -> bool {
|
|
self.last_content.mode.intersects(TermMode::MOUSE_MODE) && !shift
|
|
}
|
|
|
|
pub fn mouse_move(&mut self, e: &MouseMovedEvent, origin: Vector2F) {
|
|
let position = e.position.sub(origin);
|
|
self.last_mouse_position = Some(position);
|
|
if self.mouse_mode(e.shift) {
|
|
let point = grid_point(
|
|
position,
|
|
self.last_content.size,
|
|
self.last_content.display_offset,
|
|
);
|
|
let side = mouse_side(position, self.last_content.size);
|
|
|
|
if self.mouse_changed(point, side) {
|
|
if let Some(bytes) = mouse_moved_report(point, e, self.last_content.mode) {
|
|
self.pty_tx.notify(bytes);
|
|
}
|
|
}
|
|
} else {
|
|
self.hyperlink_from_position(Some(position));
|
|
}
|
|
}
|
|
|
|
fn hyperlink_from_position(&mut self, position: Option<Vector2F>) {
|
|
if self.selection_phase == SelectionPhase::Selecting {
|
|
self.last_content.last_hovered_hyperlink = None;
|
|
} else if let Some(position) = position {
|
|
self.events
|
|
.push_back(InternalEvent::FindHyperlink(position, false));
|
|
}
|
|
}
|
|
|
|
pub fn mouse_drag(&mut self, e: DragRegionEvent, origin: Vector2F) {
|
|
let position = e.position.sub(origin);
|
|
self.last_mouse_position = Some(position);
|
|
|
|
if !self.mouse_mode(e.shift) {
|
|
self.selection_phase = SelectionPhase::Selecting;
|
|
// Alacritty has the same ordering, of first updating the selection
|
|
// then scrolling 15ms later
|
|
self.events
|
|
.push_back(InternalEvent::UpdateSelection(position));
|
|
|
|
// Doesn't make sense to scroll the alt screen
|
|
if !self.last_content.mode.contains(TermMode::ALT_SCREEN) {
|
|
let scroll_delta = match self.drag_line_delta(e) {
|
|
Some(value) => value,
|
|
None => return,
|
|
};
|
|
|
|
let scroll_lines = (scroll_delta / self.last_content.size.line_height) as i32;
|
|
|
|
self.events
|
|
.push_back(InternalEvent::Scroll(AlacScroll::Delta(scroll_lines)));
|
|
}
|
|
}
|
|
}
|
|
|
|
fn drag_line_delta(&mut self, e: DragRegionEvent) -> Option<f32> {
|
|
//TODO: Why do these need to be doubled? Probably the same problem that the IME has
|
|
let top = e.region.origin_y() + (self.last_content.size.line_height * 2.);
|
|
let bottom = e.region.lower_left().y() - (self.last_content.size.line_height * 2.);
|
|
let scroll_delta = if e.position.y() < top {
|
|
(top - e.position.y()).powf(1.1)
|
|
} else if e.position.y() > bottom {
|
|
-((e.position.y() - bottom).powf(1.1))
|
|
} else {
|
|
return None; //Nothing to do
|
|
};
|
|
Some(scroll_delta)
|
|
}
|
|
|
|
pub fn mouse_down(&mut self, e: &DownRegionEvent, origin: Vector2F) {
|
|
let position = e.position.sub(origin);
|
|
let point = grid_point(
|
|
position,
|
|
self.last_content.size,
|
|
self.last_content.display_offset,
|
|
);
|
|
// let side = mouse_side(position, self.last_content.size);
|
|
|
|
if self.mouse_mode(e.shift) {
|
|
if let Some(bytes) = mouse_button_report(point, e, true, self.last_content.mode) {
|
|
self.pty_tx.notify(bytes);
|
|
}
|
|
} else if e.button == MouseButton::Left {
|
|
self.left_click(e, origin)
|
|
}
|
|
}
|
|
|
|
pub fn left_click(&mut self, e: &DownRegionEvent, origin: Vector2F) {
|
|
let position = e.position.sub(origin);
|
|
if !self.mouse_mode(e.shift) {
|
|
//Hyperlinks
|
|
{
|
|
let mouse_cell_index = content_index_for_mouse(position, &self.last_content);
|
|
if let Some(link) = self.last_content.cells[mouse_cell_index].hyperlink() {
|
|
open_uri(link.uri()).log_err();
|
|
} else {
|
|
self.events
|
|
.push_back(InternalEvent::FindHyperlink(position, true));
|
|
}
|
|
}
|
|
|
|
// Selections
|
|
{
|
|
let point = grid_point(
|
|
position,
|
|
self.last_content.size,
|
|
self.last_content.display_offset,
|
|
);
|
|
let side = mouse_side(position, self.last_content.size);
|
|
|
|
let selection_type = match e.click_count {
|
|
0 => return, //This is a release
|
|
1 => Some(SelectionType::Simple),
|
|
2 => Some(SelectionType::Semantic),
|
|
3 => Some(SelectionType::Lines),
|
|
_ => None,
|
|
};
|
|
|
|
let selection = selection_type
|
|
.map(|selection_type| Selection::new(selection_type, point, side));
|
|
|
|
if let Some(sel) = selection {
|
|
self.events
|
|
.push_back(InternalEvent::SetSelection(Some((sel, point))));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn mouse_up(&mut self, e: &UpRegionEvent, origin: Vector2F) {
|
|
let position = e.position.sub(origin);
|
|
if self.mouse_mode(e.shift) {
|
|
let point = grid_point(
|
|
position,
|
|
self.last_content.size,
|
|
self.last_content.display_offset,
|
|
);
|
|
|
|
if let Some(bytes) = mouse_button_report(point, e, false, self.last_content.mode) {
|
|
self.pty_tx.notify(bytes);
|
|
}
|
|
} else if e.button == MouseButton::Left {
|
|
// Seems pretty standard to automatically copy on mouse_up for terminals,
|
|
// so let's do that here
|
|
self.copy();
|
|
}
|
|
self.selection_phase = SelectionPhase::Ended;
|
|
self.last_mouse = None;
|
|
}
|
|
|
|
///Scroll the terminal
|
|
pub fn scroll_wheel(&mut self, e: ScrollWheelRegionEvent, origin: Vector2F) {
|
|
let mouse_mode = self.mouse_mode(e.shift);
|
|
|
|
if let Some(scroll_lines) = self.determine_scroll_lines(&e, mouse_mode) {
|
|
if mouse_mode {
|
|
let point = grid_point(
|
|
e.position.sub(origin),
|
|
self.last_content.size,
|
|
self.last_content.display_offset,
|
|
);
|
|
|
|
if let Some(scrolls) =
|
|
scroll_report(point, scroll_lines as i32, &e, self.last_content.mode)
|
|
{
|
|
for scroll in scrolls {
|
|
self.pty_tx.notify(scroll);
|
|
}
|
|
};
|
|
} else if self
|
|
.last_content
|
|
.mode
|
|
.contains(TermMode::ALT_SCREEN | TermMode::ALTERNATE_SCROLL)
|
|
&& !e.shift
|
|
{
|
|
self.pty_tx.notify(alt_scroll(scroll_lines))
|
|
} else {
|
|
if scroll_lines != 0 {
|
|
let scroll = AlacScroll::Delta(scroll_lines);
|
|
|
|
self.events.push_back(InternalEvent::Scroll(scroll));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn refresh_hyperlink(&mut self) {
|
|
self.hyperlink_from_position(self.last_mouse_position);
|
|
}
|
|
|
|
fn determine_scroll_lines(
|
|
&mut self,
|
|
e: &ScrollWheelRegionEvent,
|
|
mouse_mode: bool,
|
|
) -> Option<i32> {
|
|
let scroll_multiplier = if mouse_mode { 1. } else { SCROLL_MULTIPLIER };
|
|
|
|
match e.phase {
|
|
/* Reset scroll state on started */
|
|
Some(gpui::TouchPhase::Started) => {
|
|
self.scroll_px = 0.;
|
|
None
|
|
}
|
|
/* Calculate the appropriate scroll lines */
|
|
Some(gpui::TouchPhase::Moved) => {
|
|
let old_offset = (self.scroll_px / self.last_content.size.line_height) as i32;
|
|
|
|
self.scroll_px += e.delta.y() * scroll_multiplier;
|
|
|
|
let new_offset = (self.scroll_px / self.last_content.size.line_height) as i32;
|
|
|
|
// Whenever we hit the edges, reset our stored scroll to 0
|
|
// so we can respond to changes in direction quickly
|
|
self.scroll_px %= self.last_content.size.height;
|
|
|
|
Some(new_offset - old_offset)
|
|
}
|
|
/* Fall back to delta / line_height */
|
|
None => Some(
|
|
((e.delta.y() * scroll_multiplier) / self.last_content.size.line_height) as i32,
|
|
),
|
|
_ => None,
|
|
}
|
|
}
|
|
|
|
pub fn find_matches(
|
|
&mut self,
|
|
query: project::search::SearchQuery,
|
|
cx: &mut ModelContext<Self>,
|
|
) -> Task<Vec<RangeInclusive<Point>>> {
|
|
let term = self.term.clone();
|
|
cx.background().spawn(async move {
|
|
let searcher = match query {
|
|
project::search::SearchQuery::Text { query, .. } => {
|
|
RegexSearch::new(query.as_ref())
|
|
}
|
|
project::search::SearchQuery::Regex { query, .. } => {
|
|
RegexSearch::new(query.as_ref())
|
|
}
|
|
};
|
|
|
|
if searcher.is_err() {
|
|
return Vec::new();
|
|
}
|
|
let searcher = searcher.unwrap();
|
|
|
|
let term = term.lock();
|
|
|
|
all_search_matches(&term, &searcher).collect()
|
|
})
|
|
}
|
|
}
|
|
|
|
impl Drop for Terminal {
|
|
fn drop(&mut self) {
|
|
self.pty_tx.0.send(Msg::Shutdown).ok();
|
|
}
|
|
}
|
|
|
|
impl Entity for Terminal {
|
|
type Event = Event;
|
|
}
|
|
|
|
/// Based on alacritty/src/display/hint.rs > regex_match_at
|
|
/// Retrieve the match, if the specified point is inside the content matching the regex.
|
|
fn regex_match_at<T>(term: &Term<T>, point: Point, regex: &RegexSearch) -> Option<Match> {
|
|
visible_regex_match_iter(term, regex).find(|rm| rm.contains(&point))
|
|
}
|
|
|
|
/// Copied from alacritty/src/display/hint.rs:
|
|
/// Iterate over all visible regex matches.
|
|
pub fn visible_regex_match_iter<'a, T>(
|
|
term: &'a Term<T>,
|
|
regex: &'a RegexSearch,
|
|
) -> impl Iterator<Item = Match> + 'a {
|
|
let viewport_start = Line(-(term.grid().display_offset() as i32));
|
|
let viewport_end = viewport_start + term.bottommost_line();
|
|
let mut start = term.line_search_left(Point::new(viewport_start, Column(0)));
|
|
let mut end = term.line_search_right(Point::new(viewport_end, Column(0)));
|
|
start.line = start.line.max(viewport_start - MAX_SEARCH_LINES);
|
|
end.line = end.line.min(viewport_end + MAX_SEARCH_LINES);
|
|
|
|
RegexIter::new(start, end, AlacDirection::Right, term, regex)
|
|
.skip_while(move |rm| rm.end().line < viewport_start)
|
|
.take_while(move |rm| rm.start().line <= viewport_end)
|
|
}
|
|
|
|
fn make_selection(range: &RangeInclusive<Point>) -> Selection {
|
|
let mut selection = Selection::new(SelectionType::Simple, *range.start(), AlacDirection::Left);
|
|
selection.update(*range.end(), AlacDirection::Right);
|
|
selection
|
|
}
|
|
|
|
fn all_search_matches<'a, T>(
|
|
term: &'a Term<T>,
|
|
regex: &'a RegexSearch,
|
|
) -> impl Iterator<Item = Match> + 'a {
|
|
let start = Point::new(term.grid().topmost_line(), Column(0));
|
|
let end = Point::new(term.grid().bottommost_line(), term.grid().last_column());
|
|
RegexIter::new(start, end, AlacDirection::Right, term, regex)
|
|
}
|
|
|
|
fn content_index_for_mouse<'a>(pos: Vector2F, content: &'a TerminalContent) -> usize {
|
|
let col = min(
|
|
(pos.x() / content.size.cell_width()) as usize,
|
|
content.size.columns() - 1,
|
|
) as usize;
|
|
let line = min(
|
|
(pos.y() / content.size.line_height()) as usize,
|
|
content.size.screen_lines() - 1,
|
|
) as usize;
|
|
|
|
line * content.size.columns() + col
|
|
}
|
|
|
|
fn open_uri(uri: &str) -> Result<(), std::io::Error> {
|
|
let mut command = Command::new("open");
|
|
command.arg(uri);
|
|
|
|
unsafe {
|
|
command
|
|
.pre_exec(|| {
|
|
match libc::fork() {
|
|
-1 => return Err(io::Error::last_os_error()),
|
|
0 => (),
|
|
_ => libc::_exit(0),
|
|
}
|
|
|
|
if libc::setsid() == -1 {
|
|
return Err(io::Error::last_os_error());
|
|
}
|
|
|
|
Ok(())
|
|
})
|
|
.spawn()?
|
|
.wait()
|
|
.map(|_| ())
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use gpui::geometry::vector::vec2f;
|
|
use rand::{thread_rng, Rng};
|
|
|
|
use crate::content_index_for_mouse;
|
|
|
|
use self::terminal_test_context::TerminalTestContext;
|
|
|
|
pub mod terminal_test_context;
|
|
|
|
#[test]
|
|
fn test_mouse_to_cell() {
|
|
let mut rng = thread_rng();
|
|
|
|
for _ in 0..10 {
|
|
let viewport_cells = rng.gen_range(5..50);
|
|
let cell_size = rng.gen_range(5.0..20.0);
|
|
|
|
let size = crate::TerminalSize {
|
|
cell_width: cell_size,
|
|
line_height: cell_size,
|
|
height: cell_size * (viewport_cells as f32),
|
|
width: cell_size * (viewport_cells as f32),
|
|
};
|
|
|
|
let (content, cells) = TerminalTestContext::create_terminal_content(size, &mut rng);
|
|
|
|
for i in 0..(viewport_cells - 1) {
|
|
let i = i as usize;
|
|
for j in 0..(viewport_cells - 1) {
|
|
let j = j as usize;
|
|
let min_row = i as f32 * cell_size;
|
|
let max_row = (i + 1) as f32 * cell_size;
|
|
let min_col = j as f32 * cell_size;
|
|
let max_col = (j + 1) as f32 * cell_size;
|
|
|
|
let mouse_pos = vec2f(
|
|
rng.gen_range(min_row..max_row),
|
|
rng.gen_range(min_col..max_col),
|
|
);
|
|
|
|
assert_eq!(
|
|
content.cells[content_index_for_mouse(mouse_pos, &content)].c,
|
|
cells[j][i]
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_mouse_to_cell_clamp() {
|
|
let mut rng = thread_rng();
|
|
|
|
let size = crate::TerminalSize {
|
|
cell_width: 10.,
|
|
line_height: 10.,
|
|
height: 100.,
|
|
width: 100.,
|
|
};
|
|
|
|
let (content, cells) = TerminalTestContext::create_terminal_content(size, &mut rng);
|
|
|
|
assert_eq!(
|
|
content.cells[content_index_for_mouse(vec2f(-10., -10.), &content)].c,
|
|
cells[0][0]
|
|
);
|
|
assert_eq!(
|
|
content.cells[content_index_for_mouse(vec2f(1000., 1000.), &content)].c,
|
|
cells[9][9]
|
|
);
|
|
}
|
|
}
|