2389 lines
84 KiB
Rust
2389 lines
84 KiB
Rust
pub mod mappings;
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pub use alacritty_terminal;
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mod pty_info;
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pub mod terminal_settings;
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use alacritty_terminal::{
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Term,
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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, Grid, Row, Scroll as AlacScroll},
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index::{Boundary, Column, Direction as AlacDirection, Line, Point as AlacPoint},
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selection::{Selection, SelectionRange, SelectionType},
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sync::FairMutex,
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term::{
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Config, RenderableCursor, TermMode,
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cell::{Cell, Flags},
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search::{Match, RegexIter, RegexSearch},
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},
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tty::{self},
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vi_mode::{ViModeCursor, ViMotion},
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vte::ansi::{
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ClearMode, CursorStyle as AlacCursorStyle, Handler, NamedPrivateMode, PrivateMode,
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},
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};
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use anyhow::{Result, bail};
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use futures::{
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FutureExt,
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channel::mpsc::{UnboundedReceiver, UnboundedSender, unbounded},
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};
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use mappings::mouse::{
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alt_scroll, grid_point, grid_point_and_side, mouse_button_report, mouse_moved_report,
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scroll_report,
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};
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use collections::{HashMap, VecDeque};
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use futures::StreamExt;
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use pty_info::PtyProcessInfo;
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use regex::Regex;
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use serde::{Deserialize, Serialize};
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use settings::Settings;
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use smol::channel::{Receiver, Sender};
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use task::{HideStrategy, Shell, TaskId};
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use terminal_settings::{AlternateScroll, CursorShape, TerminalSettings};
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use theme::{ActiveTheme, Theme};
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use util::{paths::home_dir, truncate_and_trailoff};
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use std::{
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cmp::{self, min},
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fmt::Display,
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ops::{Deref, Index, RangeInclusive},
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path::PathBuf,
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process::ExitStatus,
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sync::{Arc, LazyLock},
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time::Duration,
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};
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use thiserror::Error;
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use gpui::{
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AnyWindowHandle, App, AppContext as _, Bounds, ClipboardItem, Context, EventEmitter, Hsla,
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Keystroke, Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels, Point,
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Rgba, ScrollWheelEvent, SharedString, Size, Task, TouchPhase, Window, actions, black, px,
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};
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use crate::mappings::{colors::to_alac_rgb, keys::to_esc_str};
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actions!(
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terminal,
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[
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Clear,
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Copy,
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Paste,
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ShowCharacterPalette,
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SearchTest,
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ScrollLineUp,
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ScrollLineDown,
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ScrollPageUp,
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ScrollPageDown,
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ScrollToTop,
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ScrollToBottom,
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ToggleViMode,
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]
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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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#[cfg(target_os = "macos")]
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const SCROLL_MULTIPLIER: f32 = 4.;
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#[cfg(not(target_os = "macos"))]
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const SCROLL_MULTIPLIER: f32 = 1.;
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const MAX_SEARCH_LINES: usize = 100;
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const DEBUG_TERMINAL_WIDTH: Pixels = px(500.);
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const DEBUG_TERMINAL_HEIGHT: Pixels = px(30.);
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const DEBUG_CELL_WIDTH: Pixels = px(5.);
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const DEBUG_LINE_HEIGHT: Pixels = px(5.);
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///Upward flowing events, for changing the title and such
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#[derive(Clone, 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(bool),
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SelectionsChanged,
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NewNavigationTarget(Option<MaybeNavigationTarget>),
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Open(MaybeNavigationTarget),
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}
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#[derive(Clone, Debug)]
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pub struct PathLikeTarget {
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/// File system path, absolute or relative, existing or not.
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/// Might have line and column number(s) attached as `file.rs:1:23`
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pub maybe_path: String,
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/// Current working directory of the terminal
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pub terminal_dir: Option<PathBuf>,
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}
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/// A string inside terminal, potentially useful as a URI that can be opened.
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#[derive(Clone, Debug)]
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pub enum MaybeNavigationTarget {
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/// HTTP, git, etc. string determined by the `URL_REGEX` regex.
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Url(String),
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/// File system path, absolute or relative, existing or not.
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/// Might have line and column number(s) attached as `file.rs:1:23`
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PathLike(PathLikeTarget),
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}
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#[derive(Clone)]
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enum InternalEvent {
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Resize(TerminalBounds),
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Clear,
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// FocusNextMatch,
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Scroll(AlacScroll),
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ScrollToAlacPoint(AlacPoint),
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SetSelection(Option<(Selection, AlacPoint)>),
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UpdateSelection(Point<Pixels>),
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// Adjusted mouse position, should open
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FindHyperlink(Point<Pixels>, bool),
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Copy,
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// Vi mode events
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ToggleViMode,
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ViMotion(ViMotion),
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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(pub 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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pub fn init(cx: &mut App) {
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TerminalSettings::register(cx);
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}
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#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
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pub struct TerminalBounds {
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pub cell_width: Pixels,
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pub line_height: Pixels,
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pub bounds: Bounds<Pixels>,
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}
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impl TerminalBounds {
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pub fn new(line_height: Pixels, cell_width: Pixels, bounds: Bounds<Pixels>) -> Self {
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TerminalBounds {
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cell_width,
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line_height,
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bounds,
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}
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}
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pub fn num_lines(&self) -> usize {
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(self.bounds.size.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.bounds.size.width / self.cell_width).floor() as usize
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}
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pub fn height(&self) -> Pixels {
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self.bounds.size.height
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}
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pub fn width(&self) -> Pixels {
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self.bounds.size.width
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}
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pub fn cell_width(&self) -> Pixels {
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self.cell_width
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}
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pub fn line_height(&self) -> Pixels {
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self.line_height
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}
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}
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impl Default for TerminalBounds {
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fn default() -> Self {
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TerminalBounds::new(
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DEBUG_LINE_HEIGHT,
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DEBUG_CELL_WIDTH,
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Bounds {
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origin: Point::default(),
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size: Size {
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width: DEBUG_TERMINAL_WIDTH,
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height: DEBUG_TERMINAL_HEIGHT,
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},
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},
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)
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}
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}
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impl From<TerminalBounds> for WindowSize {
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fn from(val: TerminalBounds) -> 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: f32::from(val.cell_width()) as u16,
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cell_height: f32::from(val.line_height()) as u16,
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}
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}
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}
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impl Dimensions for TerminalBounds {
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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: 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(|| match dirs::home_dir() {
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Some(dir) => format!(
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"<none specified, using home directory> {}",
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dir.into_os_string().to_string_lossy()
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),
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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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pub fn fmt_shell(&self) -> String {
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match &self.shell {
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Shell::System => "<system defined shell>".to_string(),
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Shell::Program(s) => s.to_string(),
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Shell::WithArguments {
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program,
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args,
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title_override,
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} => {
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if let Some(title_override) = title_override {
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format!("{} {} ({})", program, args.join(" "), title_override)
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} else {
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format!("{} {}", program, args.join(" "))
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}
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}
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}
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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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// https://github.com/alacritty/alacritty/blob/cb3a79dbf6472740daca8440d5166c1d4af5029e/extra/man/alacritty.5.scd?plain=1#L207-L213
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const DEFAULT_SCROLL_HISTORY_LINES: usize = 10_000;
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pub const MAX_SCROLL_HISTORY_LINES: usize = 100_000;
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const URL_REGEX: &str = r#"(ipfs:|ipns:|magnet:|mailto:|gemini://|gopher://|https://|http://|news:|file://|git://|ssh:|ftp://)[^\u{0000}-\u{001F}\u{007F}-\u{009F}<>"\s{-}\^⟨⟩`]+"#;
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// Optional suffix matches MSBuild diagnostic suffixes for path parsing in PathLikeWithPosition
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// https://learn.microsoft.com/en-us/visualstudio/msbuild/msbuild-diagnostic-format-for-tasks
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const WORD_REGEX: &str =
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r#"[\$\+\w.\[\]:/\\@\-~()]+(?:\((?:\d+|\d+,\d+)\))|[\$\+\w.\[\]:/\\@\-~()]+"#;
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const PYTHON_FILE_LINE_REGEX: &str = r#"File "(?P<file>[^"]+)", line (?P<line>\d+)"#;
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static PYTHON_FILE_LINE_MATCHER: LazyLock<Regex> =
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LazyLock::new(|| Regex::new(PYTHON_FILE_LINE_REGEX).unwrap());
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fn python_extract_path_and_line(input: &str) -> Option<(&str, u32)> {
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if let Some(captures) = PYTHON_FILE_LINE_MATCHER.captures(input) {
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let path_part = captures.name("file")?.as_str();
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let line_number: u32 = captures.name("line")?.as_str().parse().ok()?;
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return Some((path_part, line_number));
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}
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None
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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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python_venv_directory: Option<PathBuf>,
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task: Option<TaskState>,
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shell: Shell,
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mut env: HashMap<String, String>,
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cursor_shape: CursorShape,
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alternate_scroll: AlternateScroll,
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max_scroll_history_lines: Option<usize>,
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is_ssh_terminal: bool,
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window: AnyWindowHandle,
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completion_tx: Sender<Option<ExitStatus>>,
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cx: &App,
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) -> Result<TerminalBuilder> {
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// If the parent environment doesn't have a locale set
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// (As is the case when launched from a .app on MacOS),
|
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// and the Project doesn't have a locale set, then
|
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// set a fallback for our child environment to use.
|
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if std::env::var("LANG").is_err() {
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env.entry("LANG".to_string())
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.or_insert_with(|| "en_US.UTF-8".to_string());
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}
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env.insert("ZED_TERM".to_string(), "true".to_string());
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env.insert("TERM_PROGRAM".to_string(), "zed".to_string());
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env.insert("TERM".to_string(), "xterm-256color".to_string());
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env.insert(
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"TERM_PROGRAM_VERSION".to_string(),
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release_channel::AppVersion::global(cx).to_string(),
|
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);
|
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let mut terminal_title_override = None;
|
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|
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let pty_options = {
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let alac_shell = match shell.clone() {
|
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Shell::System => {
|
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#[cfg(target_os = "windows")]
|
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{
|
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Some(alacritty_terminal::tty::Shell::new(
|
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util::get_windows_system_shell(),
|
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Vec::new(),
|
||
))
|
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}
|
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#[cfg(not(target_os = "windows"))]
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{
|
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None
|
||
}
|
||
}
|
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Shell::Program(program) => {
|
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Some(alacritty_terminal::tty::Shell::new(program, Vec::new()))
|
||
}
|
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Shell::WithArguments {
|
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program,
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args,
|
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title_override,
|
||
} => {
|
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terminal_title_override = title_override;
|
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Some(alacritty_terminal::tty::Shell::new(program, args))
|
||
}
|
||
};
|
||
|
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alacritty_terminal::tty::Options {
|
||
shell: alac_shell,
|
||
working_directory: working_directory
|
||
.clone()
|
||
.or_else(|| Some(home_dir().to_path_buf())),
|
||
drain_on_exit: true,
|
||
env: env.into_iter().collect(),
|
||
}
|
||
};
|
||
|
||
// Setup Alacritty's env, which modifies the current process's environment
|
||
alacritty_terminal::tty::setup_env();
|
||
|
||
let default_cursor_style = AlacCursorStyle::from(cursor_shape);
|
||
let scrolling_history = if task.is_some() {
|
||
// Tasks like `cargo build --all` may produce a lot of output, ergo allow maximum scrolling.
|
||
// After the task finishes, we do not allow appending to that terminal, so small tasks output should not
|
||
// cause excessive memory usage over time.
|
||
MAX_SCROLL_HISTORY_LINES
|
||
} else {
|
||
max_scroll_history_lines
|
||
.unwrap_or(DEFAULT_SCROLL_HISTORY_LINES)
|
||
.min(MAX_SCROLL_HISTORY_LINES)
|
||
};
|
||
let config = Config {
|
||
scrolling_history,
|
||
default_cursor_style,
|
||
..Config::default()
|
||
};
|
||
|
||
//Spawn a task so the Alacritty EventLoop can communicate with us
|
||
//TODO: Remove with a bounded sender which can be dispatched on &self
|
||
let (events_tx, events_rx) = unbounded();
|
||
//Set up the terminal...
|
||
let mut term = Term::new(
|
||
config.clone(),
|
||
&TerminalBounds::default(),
|
||
ZedListener(events_tx.clone()),
|
||
);
|
||
|
||
//Alacritty defaults to alternate scrolling being on, so we just need to turn it off.
|
||
if let AlternateScroll::Off = alternate_scroll {
|
||
term.unset_private_mode(PrivateMode::Named(NamedPrivateMode::AlternateScroll));
|
||
}
|
||
|
||
let term = Arc::new(FairMutex::new(term));
|
||
|
||
//Setup the pty...
|
||
let pty = match tty::new(
|
||
&pty_options,
|
||
TerminalBounds::default().into(),
|
||
window.window_id().as_u64(),
|
||
) {
|
||
Ok(pty) => pty,
|
||
Err(error) => {
|
||
bail!(TerminalError {
|
||
directory: working_directory,
|
||
shell,
|
||
source: error,
|
||
});
|
||
}
|
||
};
|
||
|
||
let pty_info = PtyProcessInfo::new(&pty);
|
||
|
||
//And connect them together
|
||
let event_loop = EventLoop::new(
|
||
term.clone(),
|
||
ZedListener(events_tx.clone()),
|
||
pty,
|
||
pty_options.drain_on_exit,
|
||
false,
|
||
)?;
|
||
|
||
//Kick things off
|
||
let pty_tx = event_loop.channel();
|
||
let _io_thread = event_loop.spawn(); // DANGER
|
||
|
||
let terminal = Terminal {
|
||
task,
|
||
pty_tx: Notifier(pty_tx),
|
||
completion_tx,
|
||
term,
|
||
term_config: config,
|
||
title_override: terminal_title_override,
|
||
events: VecDeque::with_capacity(10), //Should never get this high.
|
||
last_content: Default::default(),
|
||
last_mouse: None,
|
||
matches: Vec::new(),
|
||
selection_head: None,
|
||
pty_info,
|
||
breadcrumb_text: String::new(),
|
||
scroll_px: px(0.),
|
||
next_link_id: 0,
|
||
selection_phase: SelectionPhase::Ended,
|
||
// hovered_word: false,
|
||
url_regex: RegexSearch::new(URL_REGEX).unwrap(),
|
||
word_regex: RegexSearch::new(WORD_REGEX).unwrap(),
|
||
python_file_line_regex: RegexSearch::new(PYTHON_FILE_LINE_REGEX).unwrap(),
|
||
vi_mode_enabled: false,
|
||
is_ssh_terminal,
|
||
python_venv_directory,
|
||
};
|
||
|
||
Ok(TerminalBuilder {
|
||
terminal,
|
||
events_rx,
|
||
})
|
||
}
|
||
|
||
pub fn subscribe(mut self, cx: &Context<Terminal>) -> Terminal {
|
||
//Event loop
|
||
cx.spawn(async move |terminal, cx| {
|
||
while let Some(event) = self.events_rx.next().await {
|
||
terminal.update(cx, |terminal, cx| {
|
||
//Process the first event immediately for lowered latency
|
||
terminal.process_event(&event, cx);
|
||
})?;
|
||
|
||
'outer: loop {
|
||
let mut events = Vec::new();
|
||
let mut timer = cx
|
||
.background_executor()
|
||
.timer(Duration::from_millis(4))
|
||
.fuse();
|
||
let mut wakeup = false;
|
||
loop {
|
||
futures::select_biased! {
|
||
_ = timer => break,
|
||
event = self.events_rx.next() => {
|
||
if let Some(event) = event {
|
||
if matches!(event, AlacTermEvent::Wakeup) {
|
||
wakeup = true;
|
||
} else {
|
||
events.push(event);
|
||
}
|
||
|
||
if events.len() > 100 {
|
||
break;
|
||
}
|
||
} else {
|
||
break;
|
||
}
|
||
},
|
||
}
|
||
}
|
||
|
||
if events.is_empty() && !wakeup {
|
||
smol::future::yield_now().await;
|
||
break 'outer;
|
||
}
|
||
|
||
terminal.update(cx, |this, cx| {
|
||
if wakeup {
|
||
this.process_event(&AlacTermEvent::Wakeup, cx);
|
||
}
|
||
|
||
for event in events {
|
||
this.process_event(&event, cx);
|
||
}
|
||
})?;
|
||
smol::future::yield_now().await;
|
||
}
|
||
}
|
||
|
||
anyhow::Ok(())
|
||
})
|
||
.detach();
|
||
|
||
self.terminal
|
||
}
|
||
}
|
||
|
||
#[derive(Debug, Clone, Deserialize, Serialize)]
|
||
pub struct IndexedCell {
|
||
pub point: AlacPoint,
|
||
pub cell: Cell,
|
||
}
|
||
|
||
impl Deref for IndexedCell {
|
||
type Target = Cell;
|
||
|
||
#[inline]
|
||
fn deref(&self) -> &Cell {
|
||
&self.cell
|
||
}
|
||
}
|
||
|
||
// TODO: Un-pub
|
||
#[derive(Clone)]
|
||
pub struct TerminalContent {
|
||
pub cells: Vec<IndexedCell>,
|
||
pub mode: TermMode,
|
||
pub display_offset: usize,
|
||
pub selection_text: Option<String>,
|
||
pub selection: Option<SelectionRange>,
|
||
pub cursor: RenderableCursor,
|
||
pub cursor_char: char,
|
||
pub terminal_bounds: TerminalBounds,
|
||
pub last_hovered_word: Option<HoveredWord>,
|
||
pub scrolled_to_top: bool,
|
||
pub scrolled_to_bottom: bool,
|
||
}
|
||
|
||
#[derive(Debug, Clone, Eq, PartialEq)]
|
||
pub struct HoveredWord {
|
||
pub word: String,
|
||
pub word_match: RangeInclusive<AlacPoint>,
|
||
pub id: usize,
|
||
}
|
||
|
||
impl Default for TerminalContent {
|
||
fn default() -> Self {
|
||
TerminalContent {
|
||
cells: Default::default(),
|
||
mode: Default::default(),
|
||
display_offset: Default::default(),
|
||
selection_text: Default::default(),
|
||
selection: Default::default(),
|
||
cursor: RenderableCursor {
|
||
shape: alacritty_terminal::vte::ansi::CursorShape::Block,
|
||
point: AlacPoint::new(Line(0), Column(0)),
|
||
},
|
||
cursor_char: Default::default(),
|
||
terminal_bounds: Default::default(),
|
||
last_hovered_word: None,
|
||
scrolled_to_top: false,
|
||
scrolled_to_bottom: false,
|
||
}
|
||
}
|
||
}
|
||
|
||
#[derive(PartialEq, Eq)]
|
||
pub enum SelectionPhase {
|
||
Selecting,
|
||
Ended,
|
||
}
|
||
|
||
pub struct Terminal {
|
||
pty_tx: Notifier,
|
||
completion_tx: Sender<Option<ExitStatus>>,
|
||
term: Arc<FairMutex<Term<ZedListener>>>,
|
||
term_config: Config,
|
||
events: VecDeque<InternalEvent>,
|
||
/// This is only used for mouse mode cell change detection
|
||
last_mouse: Option<(AlacPoint, AlacDirection)>,
|
||
pub matches: Vec<RangeInclusive<AlacPoint>>,
|
||
pub last_content: TerminalContent,
|
||
pub selection_head: Option<AlacPoint>,
|
||
pub breadcrumb_text: String,
|
||
pub pty_info: PtyProcessInfo,
|
||
title_override: Option<SharedString>,
|
||
pub python_venv_directory: Option<PathBuf>,
|
||
scroll_px: Pixels,
|
||
next_link_id: usize,
|
||
selection_phase: SelectionPhase,
|
||
url_regex: RegexSearch,
|
||
word_regex: RegexSearch,
|
||
python_file_line_regex: RegexSearch,
|
||
task: Option<TaskState>,
|
||
vi_mode_enabled: bool,
|
||
is_ssh_terminal: bool,
|
||
}
|
||
|
||
pub struct TaskState {
|
||
pub id: TaskId,
|
||
pub full_label: String,
|
||
pub label: String,
|
||
pub command_label: String,
|
||
pub status: TaskStatus,
|
||
pub completion_rx: Receiver<Option<ExitStatus>>,
|
||
pub hide: HideStrategy,
|
||
pub show_summary: bool,
|
||
pub show_command: bool,
|
||
pub show_rerun: bool,
|
||
}
|
||
|
||
/// A status of the current terminal tab's task.
|
||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||
pub enum TaskStatus {
|
||
/// The task had been started, but got cancelled or somehow otherwise it did not
|
||
/// report its exit code before the terminal event loop was shut down.
|
||
Unknown,
|
||
/// The task is started and running currently.
|
||
Running,
|
||
/// After the start, the task stopped running and reported its error code back.
|
||
Completed { success: bool },
|
||
}
|
||
|
||
impl TaskStatus {
|
||
fn register_terminal_exit(&mut self) {
|
||
if self == &Self::Running {
|
||
*self = Self::Unknown;
|
||
}
|
||
}
|
||
|
||
fn register_task_exit(&mut self, error_code: i32) {
|
||
*self = TaskStatus::Completed {
|
||
success: error_code == 0,
|
||
};
|
||
}
|
||
}
|
||
|
||
impl Terminal {
|
||
fn process_event(&mut self, event: &AlacTermEvent, cx: &mut Context<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_string(data.to_string()))
|
||
}
|
||
AlacTermEvent::ClipboardLoad(_, format) => {
|
||
self.write_to_pty(
|
||
match &cx.read_from_clipboard().and_then(|item| item.text()) {
|
||
// The terminal only supports pasting strings, not images.
|
||
Some(text) => format(text),
|
||
_ => format(""),
|
||
},
|
||
)
|
||
}
|
||
AlacTermEvent::PtyWrite(out) => self.write_to_pty(out.clone()),
|
||
AlacTermEvent::TextAreaSizeRequest(format) => {
|
||
self.write_to_pty(format(self.last_content.terminal_bounds.into()))
|
||
}
|
||
AlacTermEvent::CursorBlinkingChange => {
|
||
let terminal = self.term.lock();
|
||
let blinking = terminal.cursor_style().blinking;
|
||
cx.emit(Event::BlinkChanged(blinking));
|
||
}
|
||
AlacTermEvent::Bell => {
|
||
cx.emit(Event::Bell);
|
||
}
|
||
AlacTermEvent::Exit => self.register_task_finished(None, cx),
|
||
AlacTermEvent::MouseCursorDirty => {
|
||
//NOOP, Handled in render
|
||
}
|
||
AlacTermEvent::Wakeup => {
|
||
cx.emit(Event::Wakeup);
|
||
|
||
if self.pty_info.has_changed() {
|
||
cx.emit(Event::TitleChanged);
|
||
}
|
||
}
|
||
AlacTermEvent::ColorRequest(index, format) => {
|
||
// It's important that the color request is processed here to retain relative order
|
||
// with other PTY writes. Otherwise applications might witness out-of-order
|
||
// responses to requests. For example: An application sending `OSC 11 ; ? ST`
|
||
// (color request) followed by `CSI c` (request device attributes) would receive
|
||
// the response to `CSI c` first.
|
||
// Instead of locking, we could store the colors in `self.last_content`. But then
|
||
// we might respond with out of date value if a "set color" sequence is immediately
|
||
// followed by a color request sequence.
|
||
let color = self.term.lock().colors()[*index].unwrap_or_else(|| {
|
||
to_alac_rgb(get_color_at_index(*index, cx.theme().as_ref()))
|
||
});
|
||
self.write_to_pty(format(color));
|
||
}
|
||
AlacTermEvent::ChildExit(error_code) => {
|
||
self.register_task_finished(Some(*error_code), cx);
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn selection_started(&self) -> bool {
|
||
self.selection_phase == SelectionPhase::Selecting
|
||
}
|
||
|
||
fn process_terminal_event(
|
||
&mut self,
|
||
event: &InternalEvent,
|
||
term: &mut Term<ZedListener>,
|
||
window: &mut Window,
|
||
cx: &mut Context<Self>,
|
||
) {
|
||
match event {
|
||
&InternalEvent::Resize(mut new_bounds) => {
|
||
new_bounds.bounds.size.height =
|
||
cmp::max(new_bounds.line_height, new_bounds.height());
|
||
new_bounds.bounds.size.width = cmp::max(new_bounds.cell_width, new_bounds.width());
|
||
|
||
self.last_content.terminal_bounds = new_bounds;
|
||
|
||
self.pty_tx.0.send(Msg::Resize(new_bounds.into())).ok();
|
||
|
||
term.resize(new_bounds);
|
||
}
|
||
InternalEvent::Clear => {
|
||
// Clear back buffer
|
||
term.clear_screen(ClearMode::Saved);
|
||
|
||
let cursor = term.grid().cursor.point;
|
||
|
||
// Clear the lines above
|
||
term.grid_mut().reset_region(..cursor.line);
|
||
|
||
// Copy the current line up
|
||
let line = term.grid()[cursor.line][..Column(term.grid().columns())]
|
||
.iter()
|
||
.cloned()
|
||
.enumerate()
|
||
.collect::<Vec<(usize, Cell)>>();
|
||
|
||
for (i, cell) in line {
|
||
term.grid_mut()[Line(0)][Column(i)] = cell;
|
||
}
|
||
|
||
// Reset the cursor
|
||
term.grid_mut().cursor.point =
|
||
AlacPoint::new(Line(0), term.grid_mut().cursor.point.column);
|
||
let new_cursor = term.grid().cursor.point;
|
||
|
||
// Clear the lines below the new cursor
|
||
if (new_cursor.line.0 as usize) < term.screen_lines() - 1 {
|
||
term.grid_mut().reset_region((new_cursor.line + 1)..);
|
||
}
|
||
|
||
cx.emit(Event::Wakeup);
|
||
}
|
||
InternalEvent::Scroll(scroll) => {
|
||
term.scroll_display(*scroll);
|
||
self.refresh_hovered_word(window);
|
||
|
||
if self.vi_mode_enabled {
|
||
match *scroll {
|
||
AlacScroll::Delta(delta) => {
|
||
term.vi_mode_cursor = term.vi_mode_cursor.scroll(&term, delta);
|
||
}
|
||
AlacScroll::PageUp => {
|
||
let lines = term.screen_lines() as i32;
|
||
term.vi_mode_cursor = term.vi_mode_cursor.scroll(&term, lines);
|
||
}
|
||
AlacScroll::PageDown => {
|
||
let lines = -(term.screen_lines() as i32);
|
||
term.vi_mode_cursor = term.vi_mode_cursor.scroll(&term, lines);
|
||
}
|
||
AlacScroll::Top => {
|
||
let point = AlacPoint::new(term.topmost_line(), Column(0));
|
||
term.vi_mode_cursor = ViModeCursor::new(point);
|
||
}
|
||
AlacScroll::Bottom => {
|
||
let point = AlacPoint::new(term.bottommost_line(), Column(0));
|
||
term.vi_mode_cursor = ViModeCursor::new(point);
|
||
}
|
||
}
|
||
if let Some(mut selection) = term.selection.take() {
|
||
let point = term.vi_mode_cursor.point;
|
||
selection.update(point, AlacDirection::Right);
|
||
term.selection = Some(selection);
|
||
|
||
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
|
||
if let Some(selection_text) = term.selection_to_string() {
|
||
cx.write_to_primary(ClipboardItem::new_string(selection_text));
|
||
}
|
||
|
||
self.selection_head = Some(point);
|
||
cx.emit(Event::SelectionsChanged)
|
||
}
|
||
}
|
||
}
|
||
InternalEvent::SetSelection(selection) => {
|
||
term.selection = selection.as_ref().map(|(sel, _)| sel.clone());
|
||
|
||
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
|
||
if let Some(selection_text) = term.selection_to_string() {
|
||
cx.write_to_primary(ClipboardItem::new_string(selection_text));
|
||
}
|
||
|
||
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, side) = grid_point_and_side(
|
||
*position,
|
||
self.last_content.terminal_bounds,
|
||
term.grid().display_offset(),
|
||
);
|
||
|
||
selection.update(point, side);
|
||
term.selection = Some(selection);
|
||
|
||
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
|
||
if let Some(selection_text) = term.selection_to_string() {
|
||
cx.write_to_primary(ClipboardItem::new_string(selection_text));
|
||
}
|
||
|
||
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_string(txt))
|
||
}
|
||
}
|
||
InternalEvent::ScrollToAlacPoint(point) => {
|
||
term.scroll_to_point(*point);
|
||
self.refresh_hovered_word(window);
|
||
}
|
||
InternalEvent::ToggleViMode => {
|
||
self.vi_mode_enabled = !self.vi_mode_enabled;
|
||
term.toggle_vi_mode();
|
||
}
|
||
InternalEvent::ViMotion(motion) => {
|
||
term.vi_motion(*motion);
|
||
}
|
||
InternalEvent::FindHyperlink(position, open) => {
|
||
let prev_hovered_word = self.last_content.last_hovered_word.take();
|
||
|
||
let point = grid_point(
|
||
*position,
|
||
self.last_content.terminal_bounds,
|
||
term.grid().display_offset(),
|
||
)
|
||
.grid_clamp(term, Boundary::Grid);
|
||
|
||
let link = term.grid().index(point).hyperlink();
|
||
let found_word = if link.is_some() {
|
||
let mut min_index = point;
|
||
loop {
|
||
let new_min_index = min_index.sub(term, Boundary::Cursor, 1);
|
||
if new_min_index == min_index
|
||
|| 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, Boundary::Cursor, 1);
|
||
if new_max_index == max_index
|
||
|| 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, true, url_match))
|
||
} else if let Some(url_match) = regex_match_at(term, point, &mut self.url_regex) {
|
||
let url = term.bounds_to_string(*url_match.start(), *url_match.end());
|
||
Some((url, true, url_match))
|
||
} else if let Some(python_match) =
|
||
regex_match_at(term, point, &mut self.python_file_line_regex)
|
||
{
|
||
let matching_line =
|
||
term.bounds_to_string(*python_match.start(), *python_match.end());
|
||
python_extract_path_and_line(&matching_line).map(|(file_path, line_number)| {
|
||
(format!("{file_path}:{line_number}"), false, python_match)
|
||
})
|
||
} else if let Some(word_match) = regex_match_at(term, point, &mut self.word_regex) {
|
||
let file_path = term.bounds_to_string(*word_match.start(), *word_match.end());
|
||
|
||
let (sanitized_match, sanitized_word) = 'sanitize: {
|
||
let mut word_match = word_match;
|
||
let mut file_path = file_path;
|
||
|
||
if is_path_surrounded_by_common_symbols(&file_path) {
|
||
word_match = Match::new(
|
||
word_match.start().add(term, Boundary::Grid, 1),
|
||
word_match.end().sub(term, Boundary::Grid, 1),
|
||
);
|
||
file_path = file_path[1..file_path.len() - 1].to_owned();
|
||
}
|
||
|
||
while file_path.ends_with(':') {
|
||
file_path.pop();
|
||
word_match = Match::new(
|
||
*word_match.start(),
|
||
word_match.end().sub(term, Boundary::Grid, 1),
|
||
);
|
||
}
|
||
let mut colon_count = 0;
|
||
for c in file_path.chars() {
|
||
if c == ':' {
|
||
colon_count += 1;
|
||
}
|
||
}
|
||
// strip trailing comment after colon in case of
|
||
// file/at/path.rs:row:column:description or error message
|
||
// so that the file path is `file/at/path.rs:row:column`
|
||
if colon_count > 2 {
|
||
let last_index = file_path.rfind(':').unwrap();
|
||
let prev_is_digit = last_index > 0
|
||
&& file_path
|
||
.chars()
|
||
.nth(last_index - 1)
|
||
.map_or(false, |c| c.is_ascii_digit());
|
||
let next_is_digit = last_index < file_path.len() - 1
|
||
&& file_path
|
||
.chars()
|
||
.nth(last_index + 1)
|
||
.map_or(true, |c| c.is_ascii_digit());
|
||
if prev_is_digit && !next_is_digit {
|
||
let stripped_len = file_path.len() - last_index;
|
||
word_match = Match::new(
|
||
*word_match.start(),
|
||
word_match.end().sub(term, Boundary::Grid, stripped_len),
|
||
);
|
||
file_path = file_path[0..last_index].to_owned();
|
||
}
|
||
}
|
||
|
||
break 'sanitize (word_match, file_path);
|
||
};
|
||
|
||
Some((sanitized_word, false, sanitized_match))
|
||
} else {
|
||
None
|
||
};
|
||
|
||
match found_word {
|
||
Some((maybe_url_or_path, is_url, url_match)) => {
|
||
let target = if is_url {
|
||
// Treat "file://" URLs like file paths to ensure
|
||
// that line numbers at the end of the path are
|
||
// handled correctly
|
||
if let Some(path) = maybe_url_or_path.strip_prefix("file://") {
|
||
MaybeNavigationTarget::PathLike(PathLikeTarget {
|
||
maybe_path: path.to_string(),
|
||
terminal_dir: self.working_directory(),
|
||
})
|
||
} else {
|
||
MaybeNavigationTarget::Url(maybe_url_or_path.clone())
|
||
}
|
||
} else {
|
||
MaybeNavigationTarget::PathLike(PathLikeTarget {
|
||
maybe_path: maybe_url_or_path.clone(),
|
||
terminal_dir: self.working_directory(),
|
||
})
|
||
};
|
||
if *open {
|
||
cx.emit(Event::Open(target));
|
||
} else {
|
||
self.update_selected_word(
|
||
prev_hovered_word,
|
||
url_match,
|
||
maybe_url_or_path,
|
||
target,
|
||
cx,
|
||
);
|
||
}
|
||
}
|
||
None => {
|
||
cx.emit(Event::NewNavigationTarget(None));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
fn update_selected_word(
|
||
&mut self,
|
||
prev_word: Option<HoveredWord>,
|
||
word_match: RangeInclusive<AlacPoint>,
|
||
word: String,
|
||
navigation_target: MaybeNavigationTarget,
|
||
cx: &mut Context<Self>,
|
||
) {
|
||
if let Some(prev_word) = prev_word {
|
||
if prev_word.word == word && prev_word.word_match == word_match {
|
||
self.last_content.last_hovered_word = Some(HoveredWord {
|
||
word,
|
||
word_match,
|
||
id: prev_word.id,
|
||
});
|
||
return;
|
||
}
|
||
}
|
||
|
||
self.last_content.last_hovered_word = Some(HoveredWord {
|
||
word: word.clone(),
|
||
word_match,
|
||
id: self.next_link_id(),
|
||
});
|
||
cx.emit(Event::NewNavigationTarget(Some(navigation_target)));
|
||
cx.notify()
|
||
}
|
||
|
||
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
|
||
}
|
||
|
||
pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape) {
|
||
self.term_config.default_cursor_style = cursor_shape.into();
|
||
self.term.lock().set_options(self.term_config.clone());
|
||
}
|
||
|
||
pub fn total_lines(&self) -> usize {
|
||
let term = self.term.clone();
|
||
let terminal = term.lock_unfair();
|
||
terminal.total_lines()
|
||
}
|
||
|
||
pub fn viewport_lines(&self) -> usize {
|
||
let term = self.term.clone();
|
||
let terminal = term.lock_unfair();
|
||
terminal.screen_lines()
|
||
}
|
||
|
||
//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::ScrollToAlacPoint(*search_match.start()));
|
||
}
|
||
}
|
||
|
||
pub fn select_matches(&mut self, matches: &[RangeInclusive<AlacPoint>]) {
|
||
let matches_to_select = self
|
||
.matches
|
||
.iter()
|
||
.filter(|self_match| matches.contains(self_match))
|
||
.cloned()
|
||
.collect::<Vec<_>>();
|
||
for match_to_select in matches_to_select {
|
||
self.set_selection(Some((
|
||
make_selection(&match_to_select),
|
||
*match_to_select.end(),
|
||
)));
|
||
}
|
||
}
|
||
|
||
pub fn select_all(&mut self) {
|
||
let term = self.term.lock();
|
||
let start = AlacPoint::new(term.topmost_line(), Column(0));
|
||
let end = AlacPoint::new(term.bottommost_line(), term.last_column());
|
||
drop(term);
|
||
self.set_selection(Some((make_selection(&(start..=end)), end)));
|
||
}
|
||
|
||
fn set_selection(&mut self, selection: Option<(Selection, AlacPoint)>) {
|
||
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)
|
||
}
|
||
|
||
pub fn scroll_line_up(&mut self) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Delta(1)));
|
||
}
|
||
|
||
pub fn scroll_up_by(&mut self, lines: usize) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Delta(lines as i32)));
|
||
}
|
||
|
||
pub fn scroll_line_down(&mut self) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Delta(-1)));
|
||
}
|
||
|
||
pub fn scroll_down_by(&mut self, lines: usize) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Delta(-(lines as i32))));
|
||
}
|
||
|
||
pub fn scroll_page_up(&mut self) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::PageUp));
|
||
}
|
||
|
||
pub fn scroll_page_down(&mut self) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::PageDown));
|
||
}
|
||
|
||
pub fn scroll_to_top(&mut self) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Top));
|
||
}
|
||
|
||
pub fn scroll_to_bottom(&mut self) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Bottom));
|
||
}
|
||
|
||
pub fn scrolled_to_top(&self) -> bool {
|
||
self.last_content.scrolled_to_top
|
||
}
|
||
|
||
pub fn scrolled_to_bottom(&self) -> bool {
|
||
self.last_content.scrolled_to_bottom
|
||
}
|
||
|
||
///Resize the terminal and the PTY.
|
||
pub fn set_size(&mut self, new_bounds: TerminalBounds) {
|
||
if self.last_content.terminal_bounds != new_bounds {
|
||
self.events.push_back(InternalEvent::Resize(new_bounds))
|
||
}
|
||
}
|
||
|
||
///Write the Input payload to the tty.
|
||
fn write_to_pty(&self, input: impl Into<Vec<u8>>) {
|
||
self.pty_tx.notify(input.into());
|
||
}
|
||
|
||
pub fn input(&mut self, input: impl Into<Vec<u8>>) {
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Bottom));
|
||
self.events.push_back(InternalEvent::SetSelection(None));
|
||
|
||
self.write_to_pty(input);
|
||
}
|
||
|
||
pub fn toggle_vi_mode(&mut self) {
|
||
self.events.push_back(InternalEvent::ToggleViMode);
|
||
}
|
||
|
||
pub fn vi_motion(&mut self, keystroke: &Keystroke) {
|
||
if !self.vi_mode_enabled {
|
||
return;
|
||
}
|
||
|
||
let mut key = keystroke.key.clone();
|
||
if keystroke.modifiers.shift {
|
||
key = key.to_uppercase();
|
||
}
|
||
|
||
let motion: Option<ViMotion> = match key.as_str() {
|
||
"h" | "left" => Some(ViMotion::Left),
|
||
"j" | "down" => Some(ViMotion::Down),
|
||
"k" | "up" => Some(ViMotion::Up),
|
||
"l" | "right" => Some(ViMotion::Right),
|
||
"w" => Some(ViMotion::WordRight),
|
||
"b" if !keystroke.modifiers.control => Some(ViMotion::WordLeft),
|
||
"e" => Some(ViMotion::WordRightEnd),
|
||
"%" => Some(ViMotion::Bracket),
|
||
"$" => Some(ViMotion::Last),
|
||
"0" => Some(ViMotion::First),
|
||
"^" => Some(ViMotion::FirstOccupied),
|
||
"H" => Some(ViMotion::High),
|
||
"M" => Some(ViMotion::Middle),
|
||
"L" => Some(ViMotion::Low),
|
||
_ => None,
|
||
};
|
||
|
||
if let Some(motion) = motion {
|
||
let cursor = self.last_content.cursor.point;
|
||
let cursor_pos = Point {
|
||
x: cursor.column.0 as f32 * self.last_content.terminal_bounds.cell_width,
|
||
y: cursor.line.0 as f32 * self.last_content.terminal_bounds.line_height,
|
||
};
|
||
self.events
|
||
.push_back(InternalEvent::UpdateSelection(cursor_pos));
|
||
self.events.push_back(InternalEvent::ViMotion(motion));
|
||
return;
|
||
}
|
||
|
||
let scroll_motion = match key.as_str() {
|
||
"g" => Some(AlacScroll::Top),
|
||
"G" => Some(AlacScroll::Bottom),
|
||
"b" if keystroke.modifiers.control => Some(AlacScroll::PageUp),
|
||
"f" if keystroke.modifiers.control => Some(AlacScroll::PageDown),
|
||
"d" if keystroke.modifiers.control => {
|
||
let amount = self.last_content.terminal_bounds.line_height().to_f64() as i32 / 2;
|
||
Some(AlacScroll::Delta(-amount))
|
||
}
|
||
"u" if keystroke.modifiers.control => {
|
||
let amount = self.last_content.terminal_bounds.line_height().to_f64() as i32 / 2;
|
||
Some(AlacScroll::Delta(amount))
|
||
}
|
||
_ => None,
|
||
};
|
||
|
||
if let Some(scroll_motion) = scroll_motion {
|
||
self.events.push_back(InternalEvent::Scroll(scroll_motion));
|
||
return;
|
||
}
|
||
|
||
match key.as_str() {
|
||
"v" => {
|
||
let point = self.last_content.cursor.point;
|
||
let selection_type = SelectionType::Simple;
|
||
let side = AlacDirection::Right;
|
||
let selection = Selection::new(selection_type, point, side);
|
||
self.events
|
||
.push_back(InternalEvent::SetSelection(Some((selection, point))));
|
||
return;
|
||
}
|
||
|
||
"escape" => {
|
||
self.events.push_back(InternalEvent::SetSelection(None));
|
||
return;
|
||
}
|
||
|
||
"y" => {
|
||
self.events.push_back(InternalEvent::Copy);
|
||
self.events.push_back(InternalEvent::SetSelection(None));
|
||
return;
|
||
}
|
||
|
||
"i" => {
|
||
self.scroll_to_bottom();
|
||
self.toggle_vi_mode();
|
||
return;
|
||
}
|
||
_ => {}
|
||
}
|
||
}
|
||
|
||
pub fn try_keystroke(&mut self, keystroke: &Keystroke, alt_is_meta: bool) -> bool {
|
||
if self.vi_mode_enabled {
|
||
self.vi_motion(keystroke);
|
||
return true;
|
||
}
|
||
|
||
// Keep default terminal behavior
|
||
let esc = to_esc_str(keystroke, &self.last_content.mode, alt_is_meta);
|
||
if let Some(esc) = esc {
|
||
self.input(esc);
|
||
true
|
||
} else {
|
||
false
|
||
}
|
||
}
|
||
|
||
pub fn try_modifiers_change(
|
||
&mut self,
|
||
modifiers: &Modifiers,
|
||
window: &Window,
|
||
cx: &mut Context<Self>,
|
||
) {
|
||
if self
|
||
.last_content
|
||
.terminal_bounds
|
||
.bounds
|
||
.contains(&window.mouse_position())
|
||
&& modifiers.secondary()
|
||
{
|
||
self.refresh_hovered_word(window);
|
||
}
|
||
cx.notify();
|
||
}
|
||
|
||
///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 sync(&mut self, window: &mut Window, cx: &mut Context<Self>) {
|
||
let term = self.term.clone();
|
||
let mut terminal = term.lock_unfair();
|
||
//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, window, cx)
|
||
}
|
||
|
||
self.last_content = Self::make_content(&terminal, &self.last_content);
|
||
}
|
||
|
||
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,
|
||
terminal_bounds: last_content.terminal_bounds,
|
||
last_hovered_word: last_content.last_hovered_word.clone(),
|
||
scrolled_to_top: content.display_offset == term.history_size(),
|
||
scrolled_to_bottom: content.display_offset == 0,
|
||
}
|
||
}
|
||
|
||
pub fn get_content(&self) -> String {
|
||
let term = self.term.lock_unfair();
|
||
let start = AlacPoint::new(term.topmost_line(), Column(0));
|
||
let end = AlacPoint::new(term.bottommost_line(), term.last_column());
|
||
term.bounds_to_string(start, end)
|
||
}
|
||
|
||
pub fn last_n_non_empty_lines(&self, n: usize) -> Vec<String> {
|
||
let term = self.term.clone();
|
||
let terminal = term.lock_unfair();
|
||
let grid = terminal.grid();
|
||
let mut lines = Vec::new();
|
||
|
||
let mut current_line = grid.bottommost_line().0;
|
||
let topmost_line = grid.topmost_line().0;
|
||
|
||
while current_line >= topmost_line && lines.len() < n {
|
||
let logical_line_start = self.find_logical_line_start(grid, current_line, topmost_line);
|
||
let logical_line = self.construct_logical_line(grid, logical_line_start, current_line);
|
||
|
||
if let Some(line) = self.process_line(logical_line) {
|
||
lines.push(line);
|
||
}
|
||
|
||
// Move to the line above the start of the current logical line
|
||
current_line = logical_line_start - 1;
|
||
}
|
||
|
||
lines.reverse();
|
||
lines
|
||
}
|
||
|
||
fn find_logical_line_start(&self, grid: &Grid<Cell>, current: i32, topmost: i32) -> i32 {
|
||
let mut line_start = current;
|
||
while line_start > topmost {
|
||
let prev_line = Line(line_start - 1);
|
||
let last_cell = &grid[prev_line][Column(grid.columns() - 1)];
|
||
if !last_cell.flags.contains(Flags::WRAPLINE) {
|
||
break;
|
||
}
|
||
line_start -= 1;
|
||
}
|
||
line_start
|
||
}
|
||
|
||
fn construct_logical_line(&self, grid: &Grid<Cell>, start: i32, end: i32) -> String {
|
||
let mut logical_line = String::new();
|
||
for row in start..=end {
|
||
let grid_row = &grid[Line(row)];
|
||
logical_line.push_str(&row_to_string(grid_row));
|
||
}
|
||
logical_line
|
||
}
|
||
|
||
fn process_line(&self, line: String) -> Option<String> {
|
||
let trimmed = line.trim_end().to_string();
|
||
if !trimmed.is_empty() {
|
||
Some(trimmed)
|
||
} else {
|
||
None
|
||
}
|
||
}
|
||
|
||
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) {
|
||
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: AlacPoint, 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: &MouseMoveEvent, cx: &mut Context<Self>) {
|
||
let position = e.position - self.last_content.terminal_bounds.bounds.origin;
|
||
if self.mouse_mode(e.modifiers.shift) {
|
||
let (point, side) = grid_point_and_side(
|
||
position,
|
||
self.last_content.terminal_bounds,
|
||
self.last_content.display_offset,
|
||
);
|
||
|
||
if self.mouse_changed(point, side) {
|
||
if let Some(bytes) =
|
||
mouse_moved_report(point, e.pressed_button, e.modifiers, self.last_content.mode)
|
||
{
|
||
self.pty_tx.notify(bytes);
|
||
}
|
||
}
|
||
} else if e.modifiers.secondary() {
|
||
self.word_from_position(e.position);
|
||
}
|
||
cx.notify();
|
||
}
|
||
|
||
fn word_from_position(&mut self, position: Point<Pixels>) {
|
||
if self.selection_phase == SelectionPhase::Selecting {
|
||
self.last_content.last_hovered_word = None;
|
||
} else if self.last_content.terminal_bounds.bounds.contains(&position) {
|
||
self.events.push_back(InternalEvent::FindHyperlink(
|
||
position - self.last_content.terminal_bounds.bounds.origin,
|
||
false,
|
||
));
|
||
} else {
|
||
self.last_content.last_hovered_word = None;
|
||
}
|
||
}
|
||
|
||
pub fn select_word_at_event_position(&mut self, e: &MouseDownEvent) {
|
||
let position = e.position - self.last_content.terminal_bounds.bounds.origin;
|
||
let (point, side) = grid_point_and_side(
|
||
position,
|
||
self.last_content.terminal_bounds,
|
||
self.last_content.display_offset,
|
||
);
|
||
let selection = Selection::new(SelectionType::Semantic, point, side);
|
||
self.events
|
||
.push_back(InternalEvent::SetSelection(Some((selection, point))));
|
||
}
|
||
|
||
pub fn mouse_drag(
|
||
&mut self,
|
||
e: &MouseMoveEvent,
|
||
region: Bounds<Pixels>,
|
||
cx: &mut Context<Self>,
|
||
) {
|
||
let position = e.position - self.last_content.terminal_bounds.bounds.origin;
|
||
if !self.mouse_mode(e.modifiers.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_lines = match self.drag_line_delta(e, region) {
|
||
Some(value) => value,
|
||
None => return,
|
||
};
|
||
|
||
self.events
|
||
.push_back(InternalEvent::Scroll(AlacScroll::Delta(scroll_lines)));
|
||
}
|
||
|
||
cx.notify();
|
||
}
|
||
}
|
||
|
||
fn drag_line_delta(&self, e: &MouseMoveEvent, region: Bounds<Pixels>) -> Option<i32> {
|
||
let top = region.origin.y;
|
||
let bottom = region.bottom_left().y;
|
||
|
||
let scroll_lines = if e.position.y < top {
|
||
let scroll_delta = (top - e.position.y).pow(1.1);
|
||
(scroll_delta / self.last_content.terminal_bounds.line_height).ceil() as i32
|
||
} else if e.position.y > bottom {
|
||
let scroll_delta = -((e.position.y - bottom).pow(1.1));
|
||
(scroll_delta / self.last_content.terminal_bounds.line_height).floor() as i32
|
||
} else {
|
||
return None;
|
||
};
|
||
|
||
Some(scroll_lines.clamp(-3, 3))
|
||
}
|
||
|
||
pub fn mouse_down(&mut self, e: &MouseDownEvent, _cx: &mut Context<Self>) {
|
||
let position = e.position - self.last_content.terminal_bounds.bounds.origin;
|
||
let point = grid_point(
|
||
position,
|
||
self.last_content.terminal_bounds,
|
||
self.last_content.display_offset,
|
||
);
|
||
|
||
if self.mouse_mode(e.modifiers.shift) {
|
||
if let Some(bytes) =
|
||
mouse_button_report(point, e.button, e.modifiers, true, self.last_content.mode)
|
||
{
|
||
self.pty_tx.notify(bytes);
|
||
}
|
||
} else {
|
||
match e.button {
|
||
MouseButton::Left => {
|
||
let (point, side) = grid_point_and_side(
|
||
position,
|
||
self.last_content.terminal_bounds,
|
||
self.last_content.display_offset,
|
||
);
|
||
|
||
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,
|
||
};
|
||
|
||
if selection_type == Some(SelectionType::Simple) && e.modifiers.shift {
|
||
self.events
|
||
.push_back(InternalEvent::UpdateSelection(position));
|
||
return;
|
||
}
|
||
|
||
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))));
|
||
}
|
||
}
|
||
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
|
||
MouseButton::Middle => {
|
||
if let Some(item) = _cx.read_from_primary() {
|
||
let text = item.text().unwrap_or_default().to_string();
|
||
self.input(text);
|
||
}
|
||
}
|
||
_ => {}
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn mouse_up(&mut self, e: &MouseUpEvent, cx: &Context<Self>) {
|
||
let setting = TerminalSettings::get_global(cx);
|
||
|
||
let position = e.position - self.last_content.terminal_bounds.bounds.origin;
|
||
if self.mouse_mode(e.modifiers.shift) {
|
||
let point = grid_point(
|
||
position,
|
||
self.last_content.terminal_bounds,
|
||
self.last_content.display_offset,
|
||
);
|
||
|
||
if let Some(bytes) =
|
||
mouse_button_report(point, e.button, e.modifiers, false, self.last_content.mode)
|
||
{
|
||
self.pty_tx.notify(bytes);
|
||
}
|
||
} else {
|
||
if e.button == MouseButton::Left && setting.copy_on_select {
|
||
self.copy();
|
||
}
|
||
|
||
//Hyperlinks
|
||
if self.selection_phase == SelectionPhase::Ended {
|
||
let mouse_cell_index =
|
||
content_index_for_mouse(position, &self.last_content.terminal_bounds);
|
||
if let Some(link) = self.last_content.cells[mouse_cell_index].hyperlink() {
|
||
cx.open_url(link.uri());
|
||
} else if e.modifiers.secondary() {
|
||
self.events
|
||
.push_back(InternalEvent::FindHyperlink(position, true));
|
||
}
|
||
}
|
||
}
|
||
|
||
self.selection_phase = SelectionPhase::Ended;
|
||
self.last_mouse = None;
|
||
}
|
||
|
||
///Scroll the terminal
|
||
pub fn scroll_wheel(&mut self, e: &ScrollWheelEvent) {
|
||
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 - self.last_content.terminal_bounds.bounds.origin,
|
||
self.last_content.terminal_bounds,
|
||
self.last_content.display_offset,
|
||
);
|
||
|
||
if let Some(scrolls) = scroll_report(point, scroll_lines, 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));
|
||
}
|
||
}
|
||
}
|
||
|
||
fn refresh_hovered_word(&mut self, window: &Window) {
|
||
self.word_from_position(window.mouse_position());
|
||
}
|
||
|
||
fn determine_scroll_lines(&mut self, e: &ScrollWheelEvent, mouse_mode: bool) -> Option<i32> {
|
||
let scroll_multiplier = if mouse_mode { 1. } else { SCROLL_MULTIPLIER };
|
||
let line_height = self.last_content.terminal_bounds.line_height;
|
||
match e.touch_phase {
|
||
/* Reset scroll state on started */
|
||
TouchPhase::Started => {
|
||
self.scroll_px = px(0.);
|
||
None
|
||
}
|
||
/* Calculate the appropriate scroll lines */
|
||
TouchPhase::Moved => {
|
||
let old_offset = (self.scroll_px / line_height) as i32;
|
||
|
||
self.scroll_px += e.delta.pixel_delta(line_height).y * scroll_multiplier;
|
||
|
||
let new_offset = (self.scroll_px / 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.terminal_bounds.height();
|
||
|
||
Some(new_offset - old_offset)
|
||
}
|
||
TouchPhase::Ended => None,
|
||
}
|
||
}
|
||
|
||
pub fn find_matches(
|
||
&self,
|
||
mut searcher: RegexSearch,
|
||
cx: &Context<Self>,
|
||
) -> Task<Vec<RangeInclusive<AlacPoint>>> {
|
||
let term = self.term.clone();
|
||
cx.background_spawn(async move {
|
||
let term = term.lock();
|
||
|
||
all_search_matches(&term, &mut searcher).collect()
|
||
})
|
||
}
|
||
|
||
pub fn working_directory(&self) -> Option<PathBuf> {
|
||
if self.is_ssh_terminal {
|
||
// We can't yet reliably detect the working directory of a shell on the
|
||
// SSH host. Until we can do that, it doesn't make sense to display
|
||
// the working directory on the client and persist that.
|
||
None
|
||
} else {
|
||
self.client_side_working_directory()
|
||
}
|
||
}
|
||
|
||
/// Returns the working directory of the process that's connected to the PTY.
|
||
/// That means it returns the working directory of the local shell or program
|
||
/// that's running inside the terminal.
|
||
///
|
||
/// This does *not* return the working directory of the shell that runs on the
|
||
/// remote host, in case Zed is connected to a remote host.
|
||
fn client_side_working_directory(&self) -> Option<PathBuf> {
|
||
self.pty_info
|
||
.current
|
||
.as_ref()
|
||
.map(|process| process.cwd.clone())
|
||
}
|
||
|
||
pub fn title(&self, truncate: bool) -> String {
|
||
const MAX_CHARS: usize = 25;
|
||
match &self.task {
|
||
Some(task_state) => {
|
||
if truncate {
|
||
truncate_and_trailoff(&task_state.label, MAX_CHARS)
|
||
} else {
|
||
task_state.full_label.clone()
|
||
}
|
||
}
|
||
None => self
|
||
.title_override
|
||
.as_ref()
|
||
.map(|title_override| title_override.to_string())
|
||
.unwrap_or_else(|| {
|
||
self.pty_info
|
||
.current
|
||
.as_ref()
|
||
.map(|fpi| {
|
||
let process_file = fpi
|
||
.cwd
|
||
.file_name()
|
||
.map(|name| name.to_string_lossy().to_string())
|
||
.unwrap_or_default();
|
||
|
||
let argv = fpi.argv.clone();
|
||
let process_name = format!(
|
||
"{}{}",
|
||
fpi.name,
|
||
if !argv.is_empty() {
|
||
format!(" {}", (argv[1..]).join(" "))
|
||
} else {
|
||
"".to_string()
|
||
}
|
||
);
|
||
let (process_file, process_name) = if truncate {
|
||
(
|
||
truncate_and_trailoff(&process_file, MAX_CHARS),
|
||
truncate_and_trailoff(&process_name, MAX_CHARS),
|
||
)
|
||
} else {
|
||
(process_file, process_name)
|
||
};
|
||
format!("{process_file} — {process_name}")
|
||
})
|
||
.unwrap_or_else(|| "Terminal".to_string())
|
||
}),
|
||
}
|
||
}
|
||
|
||
pub fn task(&self) -> Option<&TaskState> {
|
||
self.task.as_ref()
|
||
}
|
||
|
||
pub fn wait_for_completed_task(&self, cx: &App) -> Task<Option<ExitStatus>> {
|
||
if let Some(task) = self.task() {
|
||
if task.status == TaskStatus::Running {
|
||
let completion_receiver = task.completion_rx.clone();
|
||
return cx.spawn(async move |_| completion_receiver.recv().await.ok().flatten());
|
||
} else if let Ok(status) = task.completion_rx.try_recv() {
|
||
return Task::ready(status);
|
||
}
|
||
}
|
||
Task::ready(None)
|
||
}
|
||
|
||
fn register_task_finished(&mut self, error_code: Option<i32>, cx: &mut Context<Terminal>) {
|
||
let e: Option<ExitStatus> = error_code.map(|code| {
|
||
#[cfg(unix)]
|
||
{
|
||
return std::os::unix::process::ExitStatusExt::from_raw(code);
|
||
}
|
||
#[cfg(windows)]
|
||
{
|
||
return std::os::windows::process::ExitStatusExt::from_raw(code as u32);
|
||
}
|
||
});
|
||
|
||
self.completion_tx.try_send(e).ok();
|
||
let task = match &mut self.task {
|
||
Some(task) => task,
|
||
None => {
|
||
if error_code.is_none() {
|
||
cx.emit(Event::CloseTerminal);
|
||
}
|
||
return;
|
||
}
|
||
};
|
||
if task.status != TaskStatus::Running {
|
||
return;
|
||
}
|
||
match error_code {
|
||
Some(error_code) => {
|
||
task.status.register_task_exit(error_code);
|
||
}
|
||
None => {
|
||
task.status.register_terminal_exit();
|
||
}
|
||
};
|
||
|
||
let (finished_successfully, task_line, command_line) = task_summary(task, error_code);
|
||
let mut lines_to_show = Vec::new();
|
||
if task.show_summary {
|
||
lines_to_show.push(task_line.as_str());
|
||
}
|
||
if task.show_command {
|
||
lines_to_show.push(command_line.as_str());
|
||
}
|
||
|
||
if !lines_to_show.is_empty() {
|
||
// SAFETY: the invocation happens on non `TaskStatus::Running` tasks, once,
|
||
// after either `AlacTermEvent::Exit` or `AlacTermEvent::ChildExit` events that are spawned
|
||
// when Zed task finishes and no more output is made.
|
||
// After the task summary is output once, no more text is appended to the terminal.
|
||
unsafe { append_text_to_term(&mut self.term.lock(), &lines_to_show) };
|
||
}
|
||
|
||
match task.hide {
|
||
HideStrategy::Never => {}
|
||
HideStrategy::Always => {
|
||
cx.emit(Event::CloseTerminal);
|
||
}
|
||
HideStrategy::OnSuccess => {
|
||
if finished_successfully {
|
||
cx.emit(Event::CloseTerminal);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn vi_mode_enabled(&self) -> bool {
|
||
self.vi_mode_enabled
|
||
}
|
||
}
|
||
|
||
// Helper function to convert a grid row to a string
|
||
pub fn row_to_string(row: &Row<Cell>) -> String {
|
||
row[..Column(row.len())]
|
||
.iter()
|
||
.map(|cell| cell.c)
|
||
.collect::<String>()
|
||
}
|
||
|
||
fn is_path_surrounded_by_common_symbols(path: &str) -> bool {
|
||
// Avoid detecting `[]` or `()` strings as paths, surrounded by common symbols
|
||
path.len() > 2
|
||
// The rest of the brackets and various quotes cannot be matched by the [`WORD_REGEX`] hence not checked for.
|
||
&& (path.starts_with('[') && path.ends_with(']')
|
||
|| path.starts_with('(') && path.ends_with(')'))
|
||
}
|
||
|
||
const TASK_DELIMITER: &str = "⏵ ";
|
||
fn task_summary(task: &TaskState, error_code: Option<i32>) -> (bool, String, String) {
|
||
let escaped_full_label = task.full_label.replace("\r\n", "\r").replace('\n', "\r");
|
||
let (success, task_line) = match error_code {
|
||
Some(0) => (
|
||
true,
|
||
format!("{TASK_DELIMITER}Task `{escaped_full_label}` finished successfully"),
|
||
),
|
||
Some(error_code) => (
|
||
false,
|
||
format!(
|
||
"{TASK_DELIMITER}Task `{escaped_full_label}` finished with non-zero error code: {error_code}"
|
||
),
|
||
),
|
||
None => (
|
||
false,
|
||
format!("{TASK_DELIMITER}Task `{escaped_full_label}` finished"),
|
||
),
|
||
};
|
||
let escaped_command_label = task.command_label.replace("\r\n", "\r").replace('\n', "\r");
|
||
let command_line = format!("{TASK_DELIMITER}Command: {escaped_command_label}");
|
||
(success, task_line, command_line)
|
||
}
|
||
|
||
/// Appends a stringified task summary to the terminal, after its output.
|
||
///
|
||
/// SAFETY: This function should only be called after terminal's PTY is no longer alive.
|
||
/// New text being added to the terminal here, uses "less public" APIs,
|
||
/// which are not maintaining the entire terminal state intact.
|
||
///
|
||
///
|
||
/// The library
|
||
///
|
||
/// * does not increment inner grid cursor's _lines_ on `input` calls
|
||
/// (but displaying the lines correctly and incrementing cursor's columns)
|
||
///
|
||
/// * ignores `\n` and \r` character input, requiring the `newline` call instead
|
||
///
|
||
/// * does not alter grid state after `newline` call
|
||
/// so its `bottommost_line` is always the same additions, and
|
||
/// the cursor's `point` is not updated to the new line and column values
|
||
///
|
||
/// * ??? there could be more consequences, and any further "proper" streaming from the PTY might bug and/or panic.
|
||
/// Still, subsequent `append_text_to_term` invocations are possible and display the contents correctly.
|
||
///
|
||
/// Despite the quirks, this is the simplest approach to appending text to the terminal: its alternative, `grid_mut` manipulations,
|
||
/// do not properly set the scrolling state and display odd text after appending; also those manipulations are more tedious and error-prone.
|
||
/// The function achieves proper display and scrolling capabilities, at a cost of grid state not properly synchronized.
|
||
/// This is enough for printing moderately-sized texts like task summaries, but might break or perform poorly for larger texts.
|
||
unsafe fn append_text_to_term(term: &mut Term<ZedListener>, text_lines: &[&str]) {
|
||
term.newline();
|
||
term.grid_mut().cursor.point.column = Column(0);
|
||
for line in text_lines {
|
||
for c in line.chars() {
|
||
term.input(c);
|
||
}
|
||
term.newline();
|
||
term.grid_mut().cursor.point.column = Column(0);
|
||
}
|
||
}
|
||
|
||
impl Drop for Terminal {
|
||
fn drop(&mut self) {
|
||
self.pty_tx.0.send(Msg::Shutdown).ok();
|
||
}
|
||
}
|
||
|
||
impl EventEmitter<Event> for Terminal {}
|
||
|
||
/// 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: AlacPoint, regex: &mut 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 mut 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(AlacPoint::new(viewport_start, Column(0)));
|
||
let mut end = term.line_search_right(AlacPoint::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<AlacPoint>) -> 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 mut RegexSearch,
|
||
) -> impl Iterator<Item = Match> + 'a {
|
||
let start = AlacPoint::new(term.grid().topmost_line(), Column(0));
|
||
let end = AlacPoint::new(term.grid().bottommost_line(), term.grid().last_column());
|
||
RegexIter::new(start, end, AlacDirection::Right, term, regex)
|
||
}
|
||
|
||
fn content_index_for_mouse(pos: Point<Pixels>, terminal_bounds: &TerminalBounds) -> usize {
|
||
let col = (pos.x / terminal_bounds.cell_width()).round() as usize;
|
||
let clamped_col = min(col, terminal_bounds.columns() - 1);
|
||
let row = (pos.y / terminal_bounds.line_height()).round() as usize;
|
||
let clamped_row = min(row, terminal_bounds.screen_lines() - 1);
|
||
clamped_row * terminal_bounds.columns() + clamped_col
|
||
}
|
||
|
||
/// Converts an 8 bit ANSI color to its GPUI equivalent.
|
||
/// Accepts `usize` for compatibility with the `alacritty::Colors` interface,
|
||
/// Other than that use case, should only be called with values in the `[0,255]` range
|
||
pub fn get_color_at_index(index: usize, theme: &Theme) -> Hsla {
|
||
let colors = theme.colors();
|
||
|
||
match index {
|
||
// 0-15 are the same as the named colors above
|
||
0 => colors.terminal_ansi_black,
|
||
1 => colors.terminal_ansi_red,
|
||
2 => colors.terminal_ansi_green,
|
||
3 => colors.terminal_ansi_yellow,
|
||
4 => colors.terminal_ansi_blue,
|
||
5 => colors.terminal_ansi_magenta,
|
||
6 => colors.terminal_ansi_cyan,
|
||
7 => colors.terminal_ansi_white,
|
||
8 => colors.terminal_ansi_bright_black,
|
||
9 => colors.terminal_ansi_bright_red,
|
||
10 => colors.terminal_ansi_bright_green,
|
||
11 => colors.terminal_ansi_bright_yellow,
|
||
12 => colors.terminal_ansi_bright_blue,
|
||
13 => colors.terminal_ansi_bright_magenta,
|
||
14 => colors.terminal_ansi_bright_cyan,
|
||
15 => colors.terminal_ansi_bright_white,
|
||
// 16-231 are mapped to their RGB colors on a 0-5 range per channel
|
||
16..=231 => {
|
||
let (r, g, b) = rgb_for_index(index as u8); // Split the index into its ANSI-RGB components
|
||
let step = (u8::MAX as f32 / 5.).floor() as u8; // Split the RGB range into 5 chunks, with floor so no overflow
|
||
rgba_color(r * step, g * step, b * step) // Map the ANSI-RGB components to an RGB color
|
||
}
|
||
// 232-255 are a 24 step grayscale from black to white
|
||
232..=255 => {
|
||
let i = index as u8 - 232; // Align index to 0..24
|
||
let step = (u8::MAX as f32 / 24.).floor() as u8; // Split the RGB grayscale values into 24 chunks
|
||
rgba_color(i * step, i * step, i * step) // Map the ANSI-grayscale components to the RGB-grayscale
|
||
}
|
||
// For compatibility with the alacritty::Colors interface
|
||
// See: https://github.com/alacritty/alacritty/blob/master/alacritty_terminal/src/term/color.rs
|
||
256 => colors.terminal_foreground,
|
||
257 => colors.terminal_background,
|
||
258 => theme.players().local().cursor,
|
||
259 => colors.terminal_ansi_dim_black,
|
||
260 => colors.terminal_ansi_dim_red,
|
||
261 => colors.terminal_ansi_dim_green,
|
||
262 => colors.terminal_ansi_dim_yellow,
|
||
263 => colors.terminal_ansi_dim_blue,
|
||
264 => colors.terminal_ansi_dim_magenta,
|
||
265 => colors.terminal_ansi_dim_cyan,
|
||
266 => colors.terminal_ansi_dim_white,
|
||
267 => colors.terminal_bright_foreground,
|
||
268 => colors.terminal_ansi_black, // 'Dim Background', non-standard color
|
||
|
||
_ => black(),
|
||
}
|
||
}
|
||
|
||
/// Generates the RGB channels in [0, 5] for a given index into the 6x6x6 ANSI color cube.
|
||
/// See: [8 bit ANSI color](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit).
|
||
///
|
||
/// Wikipedia gives a formula for calculating the index for a given color:
|
||
///
|
||
/// ```
|
||
/// index = 16 + 36 × r + 6 × g + b (0 ≤ r, g, b ≤ 5)
|
||
/// ```
|
||
///
|
||
/// This function does the reverse, calculating the `r`, `g`, and `b` components from a given index.
|
||
fn rgb_for_index(i: u8) -> (u8, u8, u8) {
|
||
debug_assert!((16..=231).contains(&i));
|
||
let i = i - 16;
|
||
let r = (i - (i % 36)) / 36;
|
||
let g = ((i % 36) - (i % 6)) / 6;
|
||
let b = (i % 36) % 6;
|
||
(r, g, b)
|
||
}
|
||
|
||
pub fn rgba_color(r: u8, g: u8, b: u8) -> Hsla {
|
||
Rgba {
|
||
r: (r as f32 / 255.),
|
||
g: (g as f32 / 255.),
|
||
b: (b as f32 / 255.),
|
||
a: 1.,
|
||
}
|
||
.into()
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use alacritty_terminal::{
|
||
index::{Column, Line, Point as AlacPoint},
|
||
term::cell::Cell,
|
||
};
|
||
use gpui::{Pixels, Point, bounds, point, size};
|
||
use rand::{Rng, distributions::Alphanumeric, rngs::ThreadRng, thread_rng};
|
||
|
||
use crate::{
|
||
IndexedCell, TerminalBounds, TerminalContent, content_index_for_mouse,
|
||
python_extract_path_and_line, rgb_for_index,
|
||
};
|
||
|
||
#[test]
|
||
fn test_rgb_for_index() {
|
||
// Test every possible value in the color cube.
|
||
for i in 16..=231 {
|
||
let (r, g, b) = rgb_for_index(i);
|
||
assert_eq!(i, 16 + 36 * r + 6 * g + b);
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_mouse_to_cell_test() {
|
||
let mut rng = thread_rng();
|
||
const ITERATIONS: usize = 10;
|
||
const PRECISION: usize = 1000;
|
||
|
||
for _ in 0..ITERATIONS {
|
||
let viewport_cells = rng.gen_range(15..20);
|
||
let cell_size = rng.gen_range(5 * PRECISION..20 * PRECISION) as f32 / PRECISION as f32;
|
||
|
||
let size = crate::TerminalBounds {
|
||
cell_width: Pixels::from(cell_size),
|
||
line_height: Pixels::from(cell_size),
|
||
bounds: bounds(
|
||
Point::default(),
|
||
size(
|
||
Pixels::from(cell_size * (viewport_cells as f32)),
|
||
Pixels::from(cell_size * (viewport_cells as f32)),
|
||
),
|
||
),
|
||
};
|
||
|
||
let cells = get_cells(size, &mut rng);
|
||
let content = convert_cells_to_content(size, &cells);
|
||
|
||
for row in 0..(viewport_cells - 1) {
|
||
let row = row as usize;
|
||
for col in 0..(viewport_cells - 1) {
|
||
let col = col as usize;
|
||
|
||
let row_offset = rng.gen_range(0..PRECISION) as f32 / PRECISION as f32;
|
||
let col_offset = rng.gen_range(0..PRECISION) as f32 / PRECISION as f32;
|
||
|
||
let mouse_pos = point(
|
||
Pixels::from(col as f32 * cell_size + col_offset),
|
||
Pixels::from(row as f32 * cell_size + row_offset),
|
||
);
|
||
|
||
let content_index =
|
||
content_index_for_mouse(mouse_pos, &content.terminal_bounds);
|
||
let mouse_cell = content.cells[content_index].c;
|
||
let real_cell = cells[row][col];
|
||
|
||
assert_eq!(mouse_cell, real_cell);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_mouse_to_cell_clamp() {
|
||
let mut rng = thread_rng();
|
||
|
||
let size = crate::TerminalBounds {
|
||
cell_width: Pixels::from(10.),
|
||
line_height: Pixels::from(10.),
|
||
bounds: bounds(
|
||
Point::default(),
|
||
size(Pixels::from(100.), Pixels::from(100.)),
|
||
),
|
||
};
|
||
|
||
let cells = get_cells(size, &mut rng);
|
||
let content = convert_cells_to_content(size, &cells);
|
||
|
||
assert_eq!(
|
||
content.cells[content_index_for_mouse(
|
||
point(Pixels::from(-10.), Pixels::from(-10.)),
|
||
&content.terminal_bounds,
|
||
)]
|
||
.c,
|
||
cells[0][0]
|
||
);
|
||
assert_eq!(
|
||
content.cells[content_index_for_mouse(
|
||
point(Pixels::from(1000.), Pixels::from(1000.)),
|
||
&content.terminal_bounds,
|
||
)]
|
||
.c,
|
||
cells[9][9]
|
||
);
|
||
}
|
||
|
||
fn get_cells(size: TerminalBounds, rng: &mut ThreadRng) -> Vec<Vec<char>> {
|
||
let mut cells = Vec::new();
|
||
|
||
for _ in 0..((size.height() / size.line_height()) as usize) {
|
||
let mut row_vec = Vec::new();
|
||
for _ in 0..((size.width() / size.cell_width()) as usize) {
|
||
let cell_char = rng.sample(Alphanumeric) as char;
|
||
row_vec.push(cell_char)
|
||
}
|
||
cells.push(row_vec)
|
||
}
|
||
|
||
cells
|
||
}
|
||
|
||
fn convert_cells_to_content(
|
||
terminal_bounds: TerminalBounds,
|
||
cells: &[Vec<char>],
|
||
) -> TerminalContent {
|
||
let mut ic = Vec::new();
|
||
|
||
for (index, row) in cells.iter().enumerate() {
|
||
for (cell_index, cell_char) in row.iter().enumerate() {
|
||
ic.push(IndexedCell {
|
||
point: AlacPoint::new(Line(index as i32), Column(cell_index)),
|
||
cell: Cell {
|
||
c: *cell_char,
|
||
..Default::default()
|
||
},
|
||
});
|
||
}
|
||
}
|
||
|
||
TerminalContent {
|
||
cells: ic,
|
||
terminal_bounds,
|
||
..Default::default()
|
||
}
|
||
}
|
||
|
||
fn re_test(re: &str, hay: &str, expected: Vec<&str>) {
|
||
let results: Vec<_> = regex::Regex::new(re)
|
||
.unwrap()
|
||
.find_iter(hay)
|
||
.map(|m| m.as_str())
|
||
.collect();
|
||
assert_eq!(results, expected);
|
||
}
|
||
#[test]
|
||
fn test_url_regex() {
|
||
re_test(
|
||
crate::URL_REGEX,
|
||
"test http://example.com test mailto:bob@example.com train",
|
||
vec!["http://example.com", "mailto:bob@example.com"],
|
||
);
|
||
}
|
||
#[test]
|
||
fn test_word_regex() {
|
||
re_test(
|
||
crate::WORD_REGEX,
|
||
"hello, world! \"What\" is this?",
|
||
vec!["hello", "world", "What", "is", "this"],
|
||
);
|
||
}
|
||
#[test]
|
||
fn test_word_regex_with_linenum() {
|
||
// filename(line) and filename(line,col) as used in MSBuild output
|
||
// should be considered a single "word", even though comma is
|
||
// usually a word separator
|
||
re_test(
|
||
crate::WORD_REGEX,
|
||
"a Main.cs(20) b",
|
||
vec!["a", "Main.cs(20)", "b"],
|
||
);
|
||
re_test(
|
||
crate::WORD_REGEX,
|
||
"Main.cs(20,5) Error desc",
|
||
vec!["Main.cs(20,5)", "Error", "desc"],
|
||
);
|
||
// filename:line:col is a popular format for unix tools
|
||
re_test(
|
||
crate::WORD_REGEX,
|
||
"a Main.cs:20:5 b",
|
||
vec!["a", "Main.cs:20:5", "b"],
|
||
);
|
||
// Some tools output "filename:line:col:message", which currently isn't
|
||
// handled correctly, but might be in the future
|
||
re_test(
|
||
crate::WORD_REGEX,
|
||
"Main.cs:20:5:Error desc",
|
||
vec!["Main.cs:20:5:Error", "desc"],
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_python_file_line_regex() {
|
||
re_test(
|
||
crate::PYTHON_FILE_LINE_REGEX,
|
||
"hay File \"/zed/bad_py.py\", line 8 stack",
|
||
vec!["File \"/zed/bad_py.py\", line 8"],
|
||
);
|
||
re_test(crate::PYTHON_FILE_LINE_REGEX, "unrelated", vec![]);
|
||
}
|
||
|
||
#[test]
|
||
fn test_python_file_line() {
|
||
let inputs: Vec<(&str, Option<(&str, u32)>)> = vec![
|
||
(
|
||
"File \"/zed/bad_py.py\", line 8",
|
||
Some(("/zed/bad_py.py", 8u32)),
|
||
),
|
||
("File \"path/to/zed/bad_py.py\"", None),
|
||
("unrelated", None),
|
||
("", None),
|
||
];
|
||
let actual = inputs
|
||
.iter()
|
||
.map(|input| python_extract_path_and_line(input.0))
|
||
.collect::<Vec<_>>();
|
||
let expected = inputs.iter().map(|(_, output)| *output).collect::<Vec<_>>();
|
||
assert_eq!(actual, expected);
|
||
}
|
||
}
|