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zed/crates/terminal_view/src/terminal_view.rs

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Rust
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mod persistence;
pub mod terminal_element;
pub mod terminal_panel;
use crate::{persistence::TERMINAL_DB, terminal_element::TerminalElement};
use anyhow::Context;
use context_menu::{ContextMenu, ContextMenuItem};
use dirs::home_dir;
use editor::{scroll::autoscroll::Autoscroll, Editor};
use gpui::{
actions,
elements::{AnchorCorner, ChildView, Flex, Label, ParentElement, Stack},
geometry::vector::Vector2F,
impl_actions,
keymap_matcher::{KeymapContext, Keystroke},
platform::{KeyDownEvent, ModifiersChangedEvent},
AnyElement, AnyViewHandle, AppContext, Element, Entity, ModelHandle, Task, View, ViewContext,
ViewHandle, WeakViewHandle,
};
use language::Bias;
use project::{search::SearchQuery, LocalWorktree, Project};
use serde::Deserialize;
use smallvec::{smallvec, SmallVec};
use smol::Timer;
use std::{
borrow::Cow,
ops::RangeInclusive,
path::{Path, PathBuf},
sync::Arc,
time::Duration,
};
use terminal::{
alacritty_terminal::{
index::Point,
term::{search::RegexSearch, TermMode},
},
terminal_settings::{TerminalBlink, TerminalSettings, WorkingDirectory},
Event, MaybeNavigationTarget, Terminal,
};
use util::{paths::PathLikeWithPosition, ResultExt};
use workspace::{
item::{BreadcrumbText, Item, ItemEvent},
notifications::NotifyResultExt,
pane, register_deserializable_item,
searchable::{SearchEvent, SearchOptions, SearchableItem, SearchableItemHandle},
NewCenterTerminal, Pane, ToolbarItemLocation, Workspace, WorkspaceId,
};
const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
///Event to transmit the scroll from the element to the view
#[derive(Clone, Debug, PartialEq)]
pub struct ScrollTerminal(pub i32);
#[derive(Clone, Default, Deserialize, PartialEq)]
pub struct SendText(String);
#[derive(Clone, Default, Deserialize, PartialEq)]
pub struct SendKeystroke(String);
actions!(
terminal,
[Clear, Copy, Paste, ShowCharacterPalette, SearchTest]
);
impl_actions!(terminal, [SendText, SendKeystroke]);
pub fn init(cx: &mut AppContext) {
terminal_panel::init(cx);
terminal::init(cx);
register_deserializable_item::<TerminalView>(cx);
cx.add_action(TerminalView::deploy);
//Useful terminal views
cx.add_action(TerminalView::send_text);
cx.add_action(TerminalView::send_keystroke);
cx.add_action(TerminalView::copy);
cx.add_action(TerminalView::paste);
cx.add_action(TerminalView::clear);
cx.add_action(TerminalView::show_character_palette);
cx.add_action(TerminalView::select_all)
}
///A terminal view, maintains the PTY's file handles and communicates with the terminal
pub struct TerminalView {
terminal: ModelHandle<Terminal>,
has_new_content: bool,
//Currently using iTerm bell, show bell emoji in tab until input is received
has_bell: bool,
context_menu: ViewHandle<ContextMenu>,
blink_state: bool,
blinking_on: bool,
blinking_paused: bool,
blink_epoch: usize,
can_navigate_to_selected_word: bool,
workspace_id: WorkspaceId,
}
impl Entity for TerminalView {
type Event = Event;
}
impl TerminalView {
///Create a new Terminal in the current working directory or the user's home directory
pub fn deploy(
workspace: &mut Workspace,
_: &NewCenterTerminal,
cx: &mut ViewContext<Workspace>,
) {
let strategy = settings::get::<TerminalSettings>(cx);
let working_directory =
get_working_directory(workspace, cx, strategy.working_directory.clone());
let window = cx.window();
let terminal = workspace
.project()
.update(cx, |project, cx| {
project.create_terminal(working_directory, window, cx)
})
.notify_err(workspace, cx);
if let Some(terminal) = terminal {
let view = cx.add_view(|cx| {
TerminalView::new(
terminal,
workspace.weak_handle(),
workspace.database_id(),
cx,
)
});
workspace.add_item(Box::new(view), cx)
}
}
pub fn new(
terminal: ModelHandle<Terminal>,
workspace: WeakViewHandle<Workspace>,
workspace_id: WorkspaceId,
cx: &mut ViewContext<Self>,
) -> Self {
let view_id = cx.view_id();
cx.observe(&terminal, |_, _, cx| cx.notify()).detach();
cx.subscribe(&terminal, move |this, _, event, cx| match event {
Event::Wakeup => {
if !cx.is_self_focused() {
this.has_new_content = true;
}
cx.notify();
cx.emit(Event::Wakeup);
}
Event::Bell => {
this.has_bell = true;
cx.emit(Event::Wakeup);
}
Event::BlinkChanged => this.blinking_on = !this.blinking_on,
Event::TitleChanged => {
if let Some(foreground_info) = &this.terminal().read(cx).foreground_process_info {
let cwd = foreground_info.cwd.clone();
let item_id = cx.view_id();
let workspace_id = this.workspace_id;
cx.background()
.spawn(async move {
TERMINAL_DB
.save_working_directory(item_id, workspace_id, cwd)
.await
.log_err();
})
.detach();
}
}
Event::NewNavigationTarget(maybe_navigation_target) => {
this.can_navigate_to_selected_word = match maybe_navigation_target {
Some(MaybeNavigationTarget::Url(_)) => true,
Some(MaybeNavigationTarget::PathLike(maybe_path)) => {
!possible_open_targets(&workspace, maybe_path, cx).is_empty()
}
None => false,
}
}
Event::Open(maybe_navigation_target) => match maybe_navigation_target {
MaybeNavigationTarget::Url(url) => cx.platform().open_url(url),
MaybeNavigationTarget::PathLike(maybe_path) => {
if !this.can_navigate_to_selected_word {
return;
}
let potential_abs_paths = possible_open_targets(&workspace, maybe_path, cx);
if let Some(path) = potential_abs_paths.into_iter().next() {
let is_dir = path.path_like.is_dir();
let task_workspace = workspace.clone();
cx.spawn(|_, mut cx| async move {
let opened_items = task_workspace
.update(&mut cx, |workspace, cx| {
workspace.open_paths(vec![path.path_like], is_dir, cx)
})
.context("workspace update")?
.await;
anyhow::ensure!(
opened_items.len() == 1,
"For a single path open, expected single opened item"
);
let opened_item = opened_items
.into_iter()
.next()
.unwrap()
.transpose()
.context("path open")?;
if is_dir {
task_workspace.update(&mut cx, |workspace, cx| {
workspace.project().update(cx, |_, cx| {
cx.emit(project::Event::ActivateProjectPanel);
})
})?;
} else {
if let Some(row) = path.row {
let col = path.column.unwrap_or(0);
if let Some(active_editor) =
opened_item.and_then(|item| item.downcast::<Editor>())
{
active_editor
.downgrade()
.update(&mut cx, |editor, cx| {
let snapshot = editor.snapshot(cx).display_snapshot;
let point = snapshot.buffer_snapshot.clip_point(
language::Point::new(
row.saturating_sub(1),
col.saturating_sub(1),
),
Bias::Left,
);
editor.change_selections(
Some(Autoscroll::center()),
cx,
|s| s.select_ranges([point..point]),
);
})
.log_err();
}
}
}
anyhow::Ok(())
})
.detach_and_log_err(cx);
}
}
},
_ => cx.emit(event.clone()),
})
.detach();
Self {
terminal,
has_new_content: true,
has_bell: false,
context_menu: cx.add_view(|cx| ContextMenu::new(view_id, cx)),
blink_state: true,
blinking_on: false,
blinking_paused: false,
blink_epoch: 0,
can_navigate_to_selected_word: false,
workspace_id,
}
}
pub fn model(&self) -> &ModelHandle<Terminal> {
&self.terminal
}
pub fn has_new_content(&self) -> bool {
self.has_new_content
}
pub fn has_bell(&self) -> bool {
self.has_bell
}
pub fn clear_bel(&mut self, cx: &mut ViewContext<TerminalView>) {
self.has_bell = false;
cx.emit(Event::Wakeup);
}
pub fn deploy_context_menu(&mut self, position: Vector2F, cx: &mut ViewContext<Self>) {
let menu_entries = vec![
ContextMenuItem::action("Clear", Clear),
ContextMenuItem::action("Close", pane::CloseActiveItem { save_intent: None }),
];
self.context_menu.update(cx, |menu, cx| {
menu.show(position, AnchorCorner::TopLeft, menu_entries, cx)
});
cx.notify();
}
fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
if !self
.terminal
.read(cx)
.last_content
.mode
.contains(TermMode::ALT_SCREEN)
{
cx.show_character_palette();
} else {
self.terminal.update(cx, |term, cx| {
term.try_keystroke(
&Keystroke::parse("ctrl-cmd-space").unwrap(),
settings::get::<TerminalSettings>(cx).option_as_meta,
)
});
}
}
fn select_all(&mut self, _: &editor::SelectAll, cx: &mut ViewContext<Self>) {
self.terminal.update(cx, |term, _| term.select_all());
cx.notify();
}
fn clear(&mut self, _: &Clear, cx: &mut ViewContext<Self>) {
self.terminal.update(cx, |term, _| term.clear());
cx.notify();
}
pub fn should_show_cursor(&self, focused: bool, cx: &mut gpui::ViewContext<Self>) -> bool {
//Don't blink the cursor when not focused, blinking is disabled, or paused
if !focused
|| !self.blinking_on
|| self.blinking_paused
|| self
.terminal
.read(cx)
.last_content
.mode
.contains(TermMode::ALT_SCREEN)
{
return true;
}
match settings::get::<TerminalSettings>(cx).blinking {
//If the user requested to never blink, don't blink it.
TerminalBlink::Off => true,
//If the terminal is controlling it, check terminal mode
TerminalBlink::TerminalControlled | TerminalBlink::On => self.blink_state,
}
}
fn blink_cursors(&mut self, epoch: usize, cx: &mut ViewContext<Self>) {
if epoch == self.blink_epoch && !self.blinking_paused {
self.blink_state = !self.blink_state;
cx.notify();
let epoch = self.next_blink_epoch();
cx.spawn(|this, mut cx| async move {
Timer::after(CURSOR_BLINK_INTERVAL).await;
this.update(&mut cx, |this, cx| this.blink_cursors(epoch, cx))
.log_err();
})
.detach();
}
}
pub fn pause_cursor_blinking(&mut self, cx: &mut ViewContext<Self>) {
self.blink_state = true;
cx.notify();
let epoch = self.next_blink_epoch();
cx.spawn(|this, mut cx| async move {
Timer::after(CURSOR_BLINK_INTERVAL).await;
this.update(&mut cx, |this, cx| this.resume_cursor_blinking(epoch, cx))
.ok();
})
.detach();
}
pub fn find_matches(
&mut self,
query: Arc<project::search::SearchQuery>,
cx: &mut ViewContext<Self>,
) -> Task<Vec<RangeInclusive<Point>>> {
let searcher = regex_search_for_query(&query);
if let Some(searcher) = searcher {
self.terminal
.update(cx, |term, cx| term.find_matches(searcher, cx))
} else {
cx.background().spawn(async { Vec::new() })
}
}
pub fn terminal(&self) -> &ModelHandle<Terminal> {
&self.terminal
}
fn next_blink_epoch(&mut self) -> usize {
self.blink_epoch += 1;
self.blink_epoch
}
fn resume_cursor_blinking(&mut self, epoch: usize, cx: &mut ViewContext<Self>) {
if epoch == self.blink_epoch {
self.blinking_paused = false;
self.blink_cursors(epoch, cx);
}
}
///Attempt to paste the clipboard into the terminal
fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
self.terminal.update(cx, |term, _| term.copy())
}
///Attempt to paste the clipboard into the terminal
fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
if let Some(item) = cx.read_from_clipboard() {
self.terminal
.update(cx, |terminal, _cx| terminal.paste(item.text()));
}
}
fn send_text(&mut self, text: &SendText, cx: &mut ViewContext<Self>) {
self.clear_bel(cx);
self.terminal.update(cx, |term, _| {
term.input(text.0.to_string());
});
}
fn send_keystroke(&mut self, text: &SendKeystroke, cx: &mut ViewContext<Self>) {
if let Some(keystroke) = Keystroke::parse(&text.0).log_err() {
self.clear_bel(cx);
self.terminal.update(cx, |term, cx| {
term.try_keystroke(
&keystroke,
settings::get::<TerminalSettings>(cx).option_as_meta,
);
});
}
}
}
fn possible_open_targets(
workspace: &WeakViewHandle<Workspace>,
maybe_path: &String,
cx: &mut ViewContext<'_, '_, TerminalView>,
) -> Vec<PathLikeWithPosition<PathBuf>> {
let path_like = PathLikeWithPosition::parse_str(maybe_path.as_str(), |path_str| {
Ok::<_, std::convert::Infallible>(Path::new(path_str).to_path_buf())
})
.expect("infallible");
let maybe_path = path_like.path_like;
let potential_abs_paths = if maybe_path.is_absolute() {
vec![maybe_path]
} else if maybe_path.starts_with("~") {
if let Some(abs_path) = maybe_path
.strip_prefix("~")
.ok()
.and_then(|maybe_path| Some(dirs::home_dir()?.join(maybe_path)))
{
vec![abs_path]
} else {
Vec::new()
}
} else if let Some(workspace) = workspace.upgrade(cx) {
workspace.update(cx, |workspace, cx| {
workspace
.worktrees(cx)
.map(|worktree| worktree.read(cx).abs_path().join(&maybe_path))
.collect()
})
} else {
Vec::new()
};
potential_abs_paths
.into_iter()
.filter(|path| path.exists())
.map(|path| PathLikeWithPosition {
path_like: path,
row: path_like.row,
column: path_like.column,
})
.collect()
}
pub fn regex_search_for_query(query: &project::search::SearchQuery) -> Option<RegexSearch> {
let query = query.as_str();
let searcher = RegexSearch::new(&query);
searcher.ok()
}
impl View for TerminalView {
fn ui_name() -> &'static str {
"Terminal"
}
fn render(&mut self, cx: &mut gpui::ViewContext<Self>) -> AnyElement<Self> {
let terminal_handle = self.terminal.clone().downgrade();
let self_id = cx.view_id();
let focused = cx
.focused_view_id()
.filter(|view_id| *view_id == self_id)
.is_some();
Stack::new()
.with_child(
TerminalElement::new(
terminal_handle,
focused,
self.should_show_cursor(focused, cx),
self.can_navigate_to_selected_word,
)
.contained(),
)
.with_child(ChildView::new(&self.context_menu, cx))
.into_any()
}
fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
self.has_new_content = false;
self.terminal.read(cx).focus_in();
self.blink_cursors(self.blink_epoch, cx);
cx.notify();
}
fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
self.terminal.update(cx, |terminal, _| {
terminal.focus_out();
});
cx.notify();
}
fn modifiers_changed(
&mut self,
event: &ModifiersChangedEvent,
cx: &mut ViewContext<Self>,
) -> bool {
let handled = self
.terminal()
.update(cx, |term, _| term.try_modifiers_change(&event.modifiers));
if handled {
cx.notify();
}
handled
}
fn key_down(&mut self, event: &KeyDownEvent, cx: &mut ViewContext<Self>) -> bool {
self.clear_bel(cx);
self.pause_cursor_blinking(cx);
self.terminal.update(cx, |term, cx| {
term.try_keystroke(
&event.keystroke,
settings::get::<TerminalSettings>(cx).option_as_meta,
)
})
}
//IME stuff
fn selected_text_range(&self, cx: &AppContext) -> Option<std::ops::Range<usize>> {
if self
.terminal
.read(cx)
.last_content
.mode
.contains(TermMode::ALT_SCREEN)
{
None
} else {
Some(0..0)
}
}
fn replace_text_in_range(
&mut self,
_: Option<std::ops::Range<usize>>,
text: &str,
cx: &mut ViewContext<Self>,
) {
self.terminal.update(cx, |terminal, _| {
terminal.input(text.into());
});
}
fn update_keymap_context(&self, keymap: &mut KeymapContext, cx: &gpui::AppContext) {
Self::reset_to_default_keymap_context(keymap);
let mode = self.terminal.read(cx).last_content.mode;
keymap.add_key(
"screen",
if mode.contains(TermMode::ALT_SCREEN) {
"alt"
} else {
"normal"
},
);
if mode.contains(TermMode::APP_CURSOR) {
keymap.add_identifier("DECCKM");
}
if mode.contains(TermMode::APP_KEYPAD) {
keymap.add_identifier("DECPAM");
} else {
keymap.add_identifier("DECPNM");
}
if mode.contains(TermMode::SHOW_CURSOR) {
keymap.add_identifier("DECTCEM");
}
if mode.contains(TermMode::LINE_WRAP) {
keymap.add_identifier("DECAWM");
}
if mode.contains(TermMode::ORIGIN) {
keymap.add_identifier("DECOM");
}
if mode.contains(TermMode::INSERT) {
keymap.add_identifier("IRM");
}
//LNM is apparently the name for this. https://vt100.net/docs/vt510-rm/LNM.html
if mode.contains(TermMode::LINE_FEED_NEW_LINE) {
keymap.add_identifier("LNM");
}
if mode.contains(TermMode::FOCUS_IN_OUT) {
keymap.add_identifier("report_focus");
}
if mode.contains(TermMode::ALTERNATE_SCROLL) {
keymap.add_identifier("alternate_scroll");
}
if mode.contains(TermMode::BRACKETED_PASTE) {
keymap.add_identifier("bracketed_paste");
}
if mode.intersects(TermMode::MOUSE_MODE) {
keymap.add_identifier("any_mouse_reporting");
}
{
let mouse_reporting = if mode.contains(TermMode::MOUSE_REPORT_CLICK) {
"click"
} else if mode.contains(TermMode::MOUSE_DRAG) {
"drag"
} else if mode.contains(TermMode::MOUSE_MOTION) {
"motion"
} else {
"off"
};
keymap.add_key("mouse_reporting", mouse_reporting);
}
{
let format = if mode.contains(TermMode::SGR_MOUSE) {
"sgr"
} else if mode.contains(TermMode::UTF8_MOUSE) {
"utf8"
} else {
"normal"
};
keymap.add_key("mouse_format", format);
}
}
}
impl Item for TerminalView {
fn tab_tooltip_text(&self, cx: &AppContext) -> Option<Cow<str>> {
Some(self.terminal().read(cx).title().into())
}
fn tab_content<T: 'static>(
&self,
_detail: Option<usize>,
tab_theme: &theme::Tab,
cx: &gpui::AppContext,
) -> AnyElement<T> {
let title = self.terminal().read(cx).title();
Flex::row()
.with_child(
gpui::elements::Svg::new("icons/terminal.svg")
.with_color(tab_theme.label.text.color)
.constrained()
.with_width(tab_theme.type_icon_width)
.aligned()
.contained()
.with_margin_right(tab_theme.spacing),
)
.with_child(Label::new(title, tab_theme.label.clone()).aligned())
.into_any()
}
fn clone_on_split(
&self,
_workspace_id: WorkspaceId,
_cx: &mut ViewContext<Self>,
) -> Option<Self> {
//From what I can tell, there's no way to tell the current working
//Directory of the terminal from outside the shell. There might be
//solutions to this, but they are non-trivial and require more IPC
// Some(TerminalContainer::new(
// Err(anyhow::anyhow!("failed to instantiate terminal")),
// workspace_id,
// cx,
// ))
// TODO
None
}
fn is_dirty(&self, _cx: &gpui::AppContext) -> bool {
self.has_bell()
}
fn has_conflict(&self, _cx: &AppContext) -> bool {
false
}
fn as_searchable(&self, handle: &ViewHandle<Self>) -> Option<Box<dyn SearchableItemHandle>> {
Some(Box::new(handle.clone()))
}
fn to_item_events(event: &Self::Event) -> SmallVec<[ItemEvent; 2]> {
match event {
Event::BreadcrumbsChanged => smallvec![ItemEvent::UpdateBreadcrumbs],
Event::TitleChanged | Event::Wakeup => smallvec![ItemEvent::UpdateTab],
Event::CloseTerminal => smallvec![ItemEvent::CloseItem],
_ => smallvec![],
}
}
fn breadcrumb_location(&self) -> ToolbarItemLocation {
ToolbarItemLocation::PrimaryLeft { flex: None }
}
fn breadcrumbs(&self, _: &theme::Theme, cx: &AppContext) -> Option<Vec<BreadcrumbText>> {
Some(vec![BreadcrumbText {
text: self.terminal().read(cx).breadcrumb_text.clone(),
highlights: None,
}])
}
fn serialized_item_kind() -> Option<&'static str> {
Some("Terminal")
}
fn deserialize(
project: ModelHandle<Project>,
workspace: WeakViewHandle<Workspace>,
workspace_id: workspace::WorkspaceId,
item_id: workspace::ItemId,
cx: &mut ViewContext<Pane>,
) -> Task<anyhow::Result<ViewHandle<Self>>> {
let window = cx.window();
cx.spawn(|pane, mut cx| async move {
let cwd = TERMINAL_DB
.get_working_directory(item_id, workspace_id)
.log_err()
.flatten()
.or_else(|| {
cx.read(|cx| {
let strategy = settings::get::<TerminalSettings>(cx)
.working_directory
.clone();
workspace
.upgrade(cx)
.map(|workspace| {
get_working_directory(workspace.read(cx), cx, strategy)
})
.flatten()
})
});
let terminal = project.update(&mut cx, |project, cx| {
project.create_terminal(cwd, window, cx)
})?;
Ok(pane.update(&mut cx, |_, cx| {
cx.add_view(|cx| TerminalView::new(terminal, workspace, workspace_id, cx))
})?)
})
}
fn added_to_workspace(&mut self, workspace: &mut Workspace, cx: &mut ViewContext<Self>) {
cx.background()
.spawn(TERMINAL_DB.update_workspace_id(
workspace.database_id(),
self.workspace_id,
cx.view_id(),
))
.detach();
self.workspace_id = workspace.database_id();
}
}
impl SearchableItem for TerminalView {
type Match = RangeInclusive<Point>;
fn supported_options() -> SearchOptions {
SearchOptions {
case: false,
word: false,
regex: false,
replacement: false,
}
}
/// Convert events raised by this item into search-relevant events (if applicable)
fn to_search_event(
&mut self,
event: &Self::Event,
_: &mut ViewContext<Self>,
) -> Option<SearchEvent> {
match event {
Event::Wakeup => Some(SearchEvent::MatchesInvalidated),
Event::SelectionsChanged => Some(SearchEvent::ActiveMatchChanged),
_ => None,
}
}
/// Clear stored matches
fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
self.terminal().update(cx, |term, _| term.matches.clear())
}
/// Store matches returned from find_matches somewhere for rendering
fn update_matches(&mut self, matches: Vec<Self::Match>, cx: &mut ViewContext<Self>) {
self.terminal().update(cx, |term, _| term.matches = matches)
}
/// Return the selection content to pre-load into this search
fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> String {
self.terminal()
.read(cx)
.last_content
.selection_text
.clone()
.unwrap_or_default()
}
/// Focus match at given index into the Vec of matches
fn activate_match(&mut self, index: usize, _: Vec<Self::Match>, cx: &mut ViewContext<Self>) {
self.terminal()
.update(cx, |term, _| term.activate_match(index));
cx.notify();
}
/// Add selections for all matches given.
fn select_matches(&mut self, matches: Vec<Self::Match>, cx: &mut ViewContext<Self>) {
self.terminal()
.update(cx, |term, _| term.select_matches(matches));
cx.notify();
}
/// Get all of the matches for this query, should be done on the background
fn find_matches(
&mut self,
query: Arc<project::search::SearchQuery>,
cx: &mut ViewContext<Self>,
) -> Task<Vec<Self::Match>> {
if let Some(searcher) = regex_search_for_query(&query) {
self.terminal()
.update(cx, |term, cx| term.find_matches(searcher, cx))
} else {
Task::ready(vec![])
}
}
/// Reports back to the search toolbar what the active match should be (the selection)
fn active_match_index(
&mut self,
matches: Vec<Self::Match>,
cx: &mut ViewContext<Self>,
) -> Option<usize> {
// Selection head might have a value if there's a selection that isn't
// associated with a match. Therefore, if there are no matches, we should
// report None, no matter the state of the terminal
let res = if matches.len() > 0 {
if let Some(selection_head) = self.terminal().read(cx).selection_head {
// If selection head is contained in a match. Return that match
if let Some(ix) = matches
.iter()
.enumerate()
.find(|(_, search_match)| {
search_match.contains(&selection_head)
|| search_match.start() > &selection_head
})
.map(|(ix, _)| ix)
{
Some(ix)
} else {
// If no selection after selection head, return the last match
Some(matches.len().saturating_sub(1))
}
} else {
// Matches found but no active selection, return the first last one (closest to cursor)
Some(matches.len().saturating_sub(1))
}
} else {
None
};
res
}
fn replace(&mut self, _: &Self::Match, _: &SearchQuery, _: &mut ViewContext<Self>) {
// Replacement is not supported in terminal view, so this is a no-op.
}
}
///Get's the working directory for the given workspace, respecting the user's settings.
pub fn get_working_directory(
workspace: &Workspace,
cx: &AppContext,
strategy: WorkingDirectory,
) -> Option<PathBuf> {
let res = match strategy {
WorkingDirectory::CurrentProjectDirectory => current_project_directory(workspace, cx)
.or_else(|| first_project_directory(workspace, cx)),
WorkingDirectory::FirstProjectDirectory => first_project_directory(workspace, cx),
WorkingDirectory::AlwaysHome => None,
WorkingDirectory::Always { directory } => {
shellexpand::full(&directory) //TODO handle this better
.ok()
.map(|dir| Path::new(&dir.to_string()).to_path_buf())
.filter(|dir| dir.is_dir())
}
};
res.or_else(home_dir)
}
///Get's the first project's home directory, or the home directory
fn first_project_directory(workspace: &Workspace, cx: &AppContext) -> Option<PathBuf> {
workspace
.worktrees(cx)
.next()
.and_then(|worktree_handle| worktree_handle.read(cx).as_local())
.and_then(get_path_from_wt)
}
///Gets the intuitively correct working directory from the given workspace
///If there is an active entry for this project, returns that entry's worktree root.
///If there's no active entry but there is a worktree, returns that worktrees root.
///If either of these roots are files, or if there are any other query failures,
/// returns the user's home directory
fn current_project_directory(workspace: &Workspace, cx: &AppContext) -> Option<PathBuf> {
let project = workspace.project().read(cx);
project
.active_entry()
.and_then(|entry_id| project.worktree_for_entry(entry_id, cx))
.or_else(|| workspace.worktrees(cx).next())
.and_then(|worktree_handle| worktree_handle.read(cx).as_local())
.and_then(get_path_from_wt)
}
fn get_path_from_wt(wt: &LocalWorktree) -> Option<PathBuf> {
wt.root_entry()
.filter(|re| re.is_dir())
.map(|_| wt.abs_path().to_path_buf())
}
#[cfg(test)]
mod tests {
use super::*;
use gpui::TestAppContext;
use project::{Entry, Project, ProjectPath, Worktree};
use std::path::Path;
use workspace::AppState;
// Working directory calculation tests
// No Worktrees in project -> home_dir()
#[gpui::test]
async fn no_worktree(cx: &mut TestAppContext) {
let (project, workspace) = init_test(cx).await;
cx.read(|cx| {
let workspace = workspace.read(cx);
let active_entry = project.read(cx).active_entry();
//Make sure environment is as expected
assert!(active_entry.is_none());
assert!(workspace.worktrees(cx).next().is_none());
let res = current_project_directory(workspace, cx);
assert_eq!(res, None);
let res = first_project_directory(workspace, cx);
assert_eq!(res, None);
});
}
// No active entry, but a worktree, worktree is a file -> home_dir()
#[gpui::test]
async fn no_active_entry_worktree_is_file(cx: &mut TestAppContext) {
let (project, workspace) = init_test(cx).await;
create_file_wt(project.clone(), "/root.txt", cx).await;
cx.read(|cx| {
let workspace = workspace.read(cx);
let active_entry = project.read(cx).active_entry();
//Make sure environment is as expected
assert!(active_entry.is_none());
assert!(workspace.worktrees(cx).next().is_some());
let res = current_project_directory(workspace, cx);
assert_eq!(res, None);
let res = first_project_directory(workspace, cx);
assert_eq!(res, None);
});
}
// No active entry, but a worktree, worktree is a folder -> worktree_folder
#[gpui::test]
async fn no_active_entry_worktree_is_dir(cx: &mut TestAppContext) {
let (project, workspace) = init_test(cx).await;
let (_wt, _entry) = create_folder_wt(project.clone(), "/root/", cx).await;
cx.update(|cx| {
let workspace = workspace.read(cx);
let active_entry = project.read(cx).active_entry();
assert!(active_entry.is_none());
assert!(workspace.worktrees(cx).next().is_some());
let res = current_project_directory(workspace, cx);
assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
let res = first_project_directory(workspace, cx);
assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
});
}
// Active entry with a work tree, worktree is a file -> home_dir()
#[gpui::test]
async fn active_entry_worktree_is_file(cx: &mut TestAppContext) {
let (project, workspace) = init_test(cx).await;
let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
let (wt2, entry2) = create_file_wt(project.clone(), "/root2.txt", cx).await;
insert_active_entry_for(wt2, entry2, project.clone(), cx);
cx.update(|cx| {
let workspace = workspace.read(cx);
let active_entry = project.read(cx).active_entry();
assert!(active_entry.is_some());
let res = current_project_directory(workspace, cx);
assert_eq!(res, None);
let res = first_project_directory(workspace, cx);
assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
});
}
// Active entry, with a worktree, worktree is a folder -> worktree_folder
#[gpui::test]
async fn active_entry_worktree_is_dir(cx: &mut TestAppContext) {
let (project, workspace) = init_test(cx).await;
let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
let (wt2, entry2) = create_folder_wt(project.clone(), "/root2/", cx).await;
insert_active_entry_for(wt2, entry2, project.clone(), cx);
cx.update(|cx| {
let workspace = workspace.read(cx);
let active_entry = project.read(cx).active_entry();
assert!(active_entry.is_some());
let res = current_project_directory(workspace, cx);
assert_eq!(res, Some((Path::new("/root2/")).to_path_buf()));
let res = first_project_directory(workspace, cx);
assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
});
}
/// Creates a worktree with 1 file: /root.txt
pub async fn init_test(
cx: &mut TestAppContext,
) -> (ModelHandle<Project>, ViewHandle<Workspace>) {
let params = cx.update(AppState::test);
cx.update(|cx| {
theme::init((), cx);
Project::init_settings(cx);
language::init(cx);
});
let project = Project::test(params.fs.clone(), [], cx).await;
let workspace = cx
.add_window(|cx| Workspace::test_new(project.clone(), cx))
.root(cx);
(project, workspace)
}
/// Creates a worktree with 1 folder: /root{suffix}/
async fn create_folder_wt(
project: ModelHandle<Project>,
path: impl AsRef<Path>,
cx: &mut TestAppContext,
) -> (ModelHandle<Worktree>, Entry) {
create_wt(project, true, path, cx).await
}
/// Creates a worktree with 1 file: /root{suffix}.txt
async fn create_file_wt(
project: ModelHandle<Project>,
path: impl AsRef<Path>,
cx: &mut TestAppContext,
) -> (ModelHandle<Worktree>, Entry) {
create_wt(project, false, path, cx).await
}
async fn create_wt(
project: ModelHandle<Project>,
is_dir: bool,
path: impl AsRef<Path>,
cx: &mut TestAppContext,
) -> (ModelHandle<Worktree>, Entry) {
let (wt, _) = project
.update(cx, |project, cx| {
project.find_or_create_local_worktree(path, true, cx)
})
.await
.unwrap();
let entry = cx
.update(|cx| {
wt.update(cx, |wt, cx| {
wt.as_local()
.unwrap()
.create_entry(Path::new(""), is_dir, cx)
})
})
.await
.unwrap();
(wt, entry)
}
pub fn insert_active_entry_for(
wt: ModelHandle<Worktree>,
entry: Entry,
project: ModelHandle<Project>,
cx: &mut TestAppContext,
) {
cx.update(|cx| {
let p = ProjectPath {
worktree_id: wt.read(cx).id(),
path: entry.path,
};
project.update(cx, |project, cx| project.set_active_path(Some(p), cx));
});
}
}
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