Async terminal construction

This commit is contained in:
Lukas Wirth 2025-08-18 20:01:40 +02:00
parent 87863b369f
commit 985df3736e
6 changed files with 206 additions and 95 deletions

View file

@ -1,9 +1,8 @@
use crate::Project;
use anyhow::Result;
use collections::HashMap;
use gpui::{App, AppContext as _, Context, Entity, WeakEntity};
use itertools::Itertools;
use gpui::{App, AppContext as _, Context, Entity, Task, WeakEntity};
use itertools::Itertools as _;
use language::LanguageName;
use remote::{SshInfo, ssh_session::SshArgs};
use settings::{Settings, SettingsLocation};
use smol::channel::bounded;
@ -16,7 +15,12 @@ use task::{Shell, ShellBuilder, SpawnInTerminal};
use terminal::{
TaskState, TaskStatus, Terminal, TerminalBuilder, terminal_settings::TerminalSettings,
};
use util::paths::{PathStyle, RemotePathBuf};
use util::{
maybe,
paths::{PathStyle, RemotePathBuf},
};
use crate::{Project, ProjectPath};
pub struct Terminals {
pub(crate) local_handles: Vec<WeakEntity<terminal::Terminal>>,
@ -239,7 +243,8 @@ impl Project {
&mut self,
cwd: Option<PathBuf>,
cx: &mut Context<Self>,
) -> Result<Entity<Terminal>> {
project_path_context: Option<ProjectPath>,
) -> Task<Result<Entity<Terminal>>> {
let path = cwd.map(|p| Arc::from(&*p));
let this = &mut *self;
let ssh_details = this.ssh_details(cx);
@ -305,23 +310,66 @@ impl Project {
None => (None, settings.shell),
}
};
TerminalBuilder::new(
local_path.map(|path| path.to_path_buf()),
spawn_task,
shell,
env,
settings.cursor_shape.unwrap_or_default(),
settings.alternate_scroll,
settings.max_scroll_history_lines,
is_ssh_terminal,
cx.entity_id().as_u64(),
None,
cx,
)
.map(|builder| {
let toolchain =
project_path_context.map(|p| self.active_toolchain(p, LanguageName::new("Python"), cx));
cx.spawn(async move |project, cx| {
let toolchain = maybe!(async {
let toolchain = toolchain?.await?;
Some(())
})
.await;
project.update(cx, move |this, cx| {
TerminalBuilder::new(
local_path.map(|path| path.to_path_buf()),
spawn_task,
shell,
env,
settings.cursor_shape.unwrap_or_default(),
settings.alternate_scroll,
settings.max_scroll_history_lines,
is_ssh_terminal,
cx.entity_id().as_u64(),
None,
cx,
)
.map(|builder| {
let terminal_handle = cx.new(|cx| builder.subscribe(cx));
this.terminals
.local_handles
.push(terminal_handle.downgrade());
let id = terminal_handle.entity_id();
cx.observe_release(&terminal_handle, move |project, _terminal, cx| {
let handles = &mut project.terminals.local_handles;
if let Some(index) = handles
.iter()
.position(|terminal| terminal.entity_id() == id)
{
handles.remove(index);
cx.notify();
}
})
.detach();
terminal_handle
})
})?
})
}
pub fn clone_terminal(
&mut self,
terminal: &Entity<Terminal>,
cx: &mut Context<'_, Project>,
cwd: impl FnOnce() -> Option<PathBuf>,
) -> Result<Entity<Terminal>> {
terminal.read(cx).clone_builder(cx, cwd).map(|builder| {
let terminal_handle = cx.new(|cx| builder.subscribe(cx));
this.terminals
self.terminals
.local_handles
.push(terminal_handle.downgrade());

View file

@ -427,13 +427,10 @@ impl TerminalBuilder {
.clone()
.or_else(|| Some(home_dir().to_path_buf())),
drain_on_exit: true,
env: env.into_iter().collect(),
env: env.clone().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.
@ -520,6 +517,14 @@ impl TerminalBuilder {
last_hyperlink_search_position: None,
#[cfg(windows)]
shell_program,
template: CopyTemplate {
shell,
env,
cursor_shape,
alternate_scroll,
max_scroll_history_lines,
window_id,
},
};
Ok(TerminalBuilder {
@ -704,6 +709,16 @@ pub struct Terminal {
last_hyperlink_search_position: Option<Point<Pixels>>,
#[cfg(windows)]
shell_program: Option<String>,
template: CopyTemplate,
}
struct CopyTemplate {
shell: Shell,
env: HashMap<String, String>,
cursor_shape: CursorShape,
alternate_scroll: AlternateScroll,
max_scroll_history_lines: Option<usize>,
window_id: u64,
}
pub struct TaskState {
@ -1949,6 +1964,27 @@ impl Terminal {
pub fn vi_mode_enabled(&self) -> bool {
self.vi_mode_enabled
}
pub fn clone_builder(
&self,
cx: &App,
cwd: impl FnOnce() -> Option<PathBuf>,
) -> Result<TerminalBuilder> {
let working_directory = self.working_directory().or_else(cwd);
TerminalBuilder::new(
working_directory,
None,
self.template.shell.clone(),
self.template.env.clone(),
self.template.cursor_shape,
self.template.alternate_scroll,
self.template.max_scroll_history_lines,
self.is_ssh_terminal,
self.template.window_id,
None,
cx,
)
}
}
// Helper function to convert a grid row to a string

View file

@ -5,7 +5,7 @@ use futures::{StreamExt as _, stream::FuturesUnordered};
use gpui::{AppContext as _, AsyncWindowContext, Axis, Entity, Task, WeakEntity};
use project::Project;
use serde::{Deserialize, Serialize};
use std::path::{Path, PathBuf};
use std::path::PathBuf;
use ui::{App, Context, Pixels, Window};
use util::ResultExt as _;
@ -243,10 +243,7 @@ async fn deserialize_pane_group(
.ok()
.flatten();
let terminal = project.update(cx, |project, cx| {
project.create_terminal_shell(
working_directory.as_deref().map(Path::to_path_buf),
cx,
)
project.create_terminal_shell(working_directory, cx, None)
});
Some(Some(terminal))
} else {
@ -256,7 +253,7 @@ async fn deserialize_pane_group(
.ok()
.flatten()?;
if let Some(terminal) = terminal {
let terminal = terminal.ok()?;
let terminal = terminal.await.ok()?;
pane.update_in(cx, |pane, window, cx| {
let terminal_view = Box::new(cx.new(|cx| {
TerminalView::new(

View file

@ -376,14 +376,19 @@ impl TerminalPanel {
}
self.serialize(cx);
}
pane::Event::Split(direction) => {
let Some(new_pane) = self.new_pane_with_cloned_active_terminal(window, cx) else {
return;
};
&pane::Event::Split(direction) => {
let fut = self.new_pane_with_cloned_active_terminal(window, cx);
let pane = pane.clone();
let direction = *direction;
self.center.split(&pane, &new_pane, direction).log_err();
window.focus(&new_pane.focus_handle(cx));
cx.spawn_in(window, async move |panel, cx| {
let Some(new_pane) = fut.await else {
return;
};
_ = panel.update_in(cx, |panel, window, cx| {
panel.center.split(&pane, &new_pane, direction).log_err();
window.focus(&new_pane.focus_handle(cx));
});
})
.detach();
}
pane::Event::Focus => {
self.active_pane = pane.clone();
@ -400,14 +405,16 @@ impl TerminalPanel {
&mut self,
window: &mut Window,
cx: &mut Context<Self>,
) -> Option<Entity<Pane>> {
let workspace = self.workspace.upgrade()?;
) -> Task<Option<Entity<Pane>>> {
let Some(workspace) = self.workspace.upgrade() else {
return Task::ready(None);
};
let workspace = workspace.read(cx);
let database_id = workspace.database_id();
let weak_workspace = self.workspace.clone();
let project = workspace.project().clone();
let working_directory = self
.active_pane
let active_pane = &self.active_pane;
let working_directory = active_pane
.read(cx)
.active_item()
.and_then(|item| item.downcast::<TerminalView>())
@ -418,35 +425,38 @@ impl TerminalPanel {
.or_else(|| default_working_directory(workspace, cx))
})
.unwrap_or(None);
let terminal = project
.update(cx, |project, cx| {
project.create_terminal_shell(working_directory, cx)
})
.ok()?;
let is_zoomed = active_pane.read(cx).is_zoomed();
cx.spawn_in(window, async move |panel, cx| {
let terminal = project
.update(cx, |project, cx| {
project.create_terminal_shell(working_directory, cx, None)
})
.ok()?
.await
.ok()?;
let terminal_view = Box::new(cx.new(|cx| {
TerminalView::new(
terminal.clone(),
weak_workspace.clone(),
database_id,
project.downgrade(),
window,
cx,
)
}));
let pane = new_terminal_pane(
weak_workspace,
project,
self.active_pane.read(cx).is_zoomed(),
window,
cx,
);
self.apply_tab_bar_buttons(&pane, cx);
pane.update(cx, |pane, cx| {
pane.add_item(terminal_view, true, true, None, window, cx);
});
Some(pane)
panel
.update_in(cx, move |terminal_panel, window, cx| {
let terminal_view = Box::new(cx.new(|cx| {
TerminalView::new(
terminal.clone(),
weak_workspace.clone(),
database_id,
project.downgrade(),
window,
cx,
)
}));
let pane = new_terminal_pane(weak_workspace, project, is_zoomed, window, cx);
terminal_panel.apply_tab_bar_buttons(&pane, cx);
pane.update(cx, |pane, cx| {
pane.add_item(terminal_view, true, true, None, window, cx);
});
Some(pane)
})
.ok()
.flatten()
})
}
pub fn open_terminal(
@ -561,7 +571,7 @@ impl TerminalPanel {
.workspace
.update(cx, |workspace, cx| {
Self::add_center_terminal(workspace, window, cx, |project, cx| {
project.create_terminal_task(spawn_task, cx)
Task::ready(project.create_terminal_task(spawn_task, cx))
})
})
.unwrap_or_else(|e| Task::ready(Err(e))),
@ -651,7 +661,10 @@ impl TerminalPanel {
workspace: &mut Workspace,
window: &mut Window,
cx: &mut Context<Workspace>,
create_terminal: impl FnOnce(&mut Project, &mut Context<Project>) -> Result<Entity<Terminal>>
create_terminal: impl FnOnce(
&mut Project,
&mut Context<Project>,
) -> Task<Result<Entity<Terminal>>>
+ 'static,
) -> Task<Result<WeakEntity<Terminal>>> {
if !is_enabled_in_workspace(workspace, cx) {
@ -661,7 +674,7 @@ impl TerminalPanel {
}
let project = workspace.project().downgrade();
cx.spawn_in(window, async move |workspace, cx| {
let terminal = project.update(cx, create_terminal)??;
let terminal = project.update(cx, create_terminal)?.await?;
workspace.update_in(cx, |workspace, window, cx| {
let terminal_view = cx.new(|cx| {
@ -755,8 +768,11 @@ impl TerminalPanel {
terminal_panel.active_pane.clone()
})?;
let project = workspace.read_with(cx, |workspace, _| workspace.project().clone())?;
let terminal =
project.update(cx, |project, cx| project.create_terminal_shell(cwd, cx))??;
let terminal = project
.update(cx, |project, cx| {
project.create_terminal_shell(cwd, cx, None)
})?
.await?;
let result = workspace.update_in(cx, |workspace, window, cx| {
let terminal_view = Box::new(cx.new(|cx| {
TerminalView::new(
@ -1291,18 +1307,29 @@ impl Render for TerminalPanel {
let panes = terminal_panel.center.panes();
if let Some(&pane) = panes.get(action.0) {
window.focus(&pane.read(cx).focus_handle(cx));
} else if let Some(new_pane) =
terminal_panel.new_pane_with_cloned_active_terminal(window, cx)
{
terminal_panel
.center
.split(
&terminal_panel.active_pane,
&new_pane,
SplitDirection::Right,
)
.log_err();
window.focus(&new_pane.focus_handle(cx));
} else {
let future =
terminal_panel.new_pane_with_cloned_active_terminal(window, cx);
cx.spawn_in(window, async move |terminal_panel, cx| {
if let Some(new_pane) = future.await {
_ = terminal_panel.update_in(
cx,
|terminal_panel, window, cx| {
terminal_panel
.center
.split(
&terminal_panel.active_pane,
&new_pane,
SplitDirection::Right,
)
.log_err();
let new_pane = new_pane.read(cx);
window.focus(&new_pane.focus_handle(cx));
},
);
}
})
.detach();
}
}),
)

View file

@ -408,6 +408,7 @@ mod tests {
.update(cx, |project: &mut Project, cx| {
project.create_terminal_shell(None, cx, None)
})
.await
.expect("Failed to create a terminal");
let workspace_a = workspace.clone();

View file

@ -205,7 +205,7 @@ impl TerminalView {
) {
let working_directory = default_working_directory(workspace, cx);
TerminalPanel::add_center_terminal(workspace, window, cx, |project, cx| {
project.create_terminal_shell(working_directory, cx)
project.create_terminal_shell(working_directory, cx, None)
})
.detach_and_log_err(cx);
}
@ -1330,11 +1330,10 @@ impl Item for TerminalView {
let terminal = self
.project
.update(cx, |project, cx| {
let terminal = self.terminal().read(cx);
let working_directory = terminal
.working_directory()
.or_else(|| Some(project.active_project_directory(cx)?.to_path_buf()));
project.create_terminal_shell(working_directory, cx)
let cwd = project
.active_project_directory(cx)
.map(|it| it.to_path_buf());
project.clone_terminal(self.terminal(), cx, || cwd)
})
.ok()?
.log_err()?;
@ -1489,8 +1488,11 @@ impl SerializableItem for TerminalView {
.ok()
.flatten();
let terminal =
project.update(cx, |project, cx| project.create_terminal_shell(cwd, cx))??;
let terminal = project
.update(cx, |project, cx| {
project.create_terminal_shell(cwd, cx, None)
})?
.await?;
cx.update(|window, cx| {
cx.new(|cx| {
TerminalView::new(