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|
//! Runtime command launching and overlay pane lifecycle helpers for [`App`].
use std::process::{Command, Stdio};
use ratatui::layout::Direction;
use super::{App, Mode};
#[derive(Debug, Clone, Copy)]
pub(super) struct OverlayPaneState {
ws_idx: usize,
tab_idx: usize,
previous_focus: crate::layout::PaneId,
previous_zoomed: bool,
}
impl App {
pub(super) fn launch_custom_command(&mut self, binding: crate::config::CustomCommandKeybind) {
let previous_toast = self.state.toast.clone();
let result = match binding.action {
crate::config::CustomCommandAction::Shell => self.spawn_custom_command(&binding),
crate::config::CustomCommandAction::Pane => self.spawn_pane_command(&binding.command),
};
match result {
Ok(()) => {
if self.state.active.is_some() {
self.state.mode = Mode::Terminal;
}
}
Err(err) => {
self.state.toast = Some(crate::app::state::ToastNotification {
kind: crate::app::state::ToastKind::NeedsAttention,
title: "custom command failed".to_string(),
context: err.to_string(),
});
self.sync_toast_deadline(previous_toast);
}
}
}
fn custom_command_env(&self) -> (Vec<(String, String)>, Option<std::path::PathBuf>) {
let mut env = vec![(
crate::api::SOCKET_PATH_ENV_VAR.to_string(),
crate::api::socket_path().display().to_string(),
)];
if let Ok(current_exe) = std::env::current_exe() {
env.push((
"HERDR_BIN_PATH".to_string(),
current_exe.display().to_string(),
));
}
let mut cwd = None;
if let Some(ws_idx) = self.state.active {
env.push((
"HERDR_ACTIVE_WORKSPACE_ID".to_string(),
self.public_workspace_id(ws_idx),
));
if let Some(workspace) = self.state.workspaces.get(ws_idx) {
let tab_idx = workspace.active_tab_index();
if let Some(tab_id) = self.public_tab_id(ws_idx, tab_idx) {
env.push(("HERDR_ACTIVE_TAB_ID".to_string(), tab_id));
}
if let Some(pane_id) = workspace.focused_pane_id() {
if let Some(public_pane_id) = self.public_pane_id(ws_idx, pane_id) {
env.push(("HERDR_ACTIVE_PANE_ID".to_string(), public_pane_id));
}
if let Some(pane_cwd) = workspace
.active_tab()
.and_then(|tab| tab.cwd_for_pane(pane_id))
{
env.push((
"HERDR_ACTIVE_PANE_CWD".to_string(),
pane_cwd.display().to_string(),
));
if pane_cwd.is_dir() {
cwd = Some(pane_cwd);
}
}
}
}
}
(env, cwd)
}
fn spawn_custom_command(
&self,
binding: &crate::config::CustomCommandKeybind,
) -> std::io::Result<()> {
let mut command = Command::new("/bin/sh");
command
.arg("-lc")
.arg(&binding.command)
.stdin(Stdio::null())
.stdout(Stdio::null())
.stderr(Stdio::null());
let (env, cwd) = self.custom_command_env();
command.envs(env);
if let Some(cwd) = cwd {
command.current_dir(cwd);
}
command.spawn()?;
Ok(())
}
fn spawn_pane_command(&mut self, command: &str) -> std::io::Result<()> {
let Some(ws_idx) = self.state.active else {
return Err(std::io::Error::other("no active workspace"));
};
let (rows, cols) = self.state.estimate_pane_size();
let new_rows = rows.max(4);
let new_cols = cols.max(10);
let (env, _) = self.custom_command_env();
let ws = self
.state
.workspaces
.get_mut(ws_idx)
.ok_or_else(|| std::io::Error::other("active workspace disappeared"))?;
let tab_idx = ws.active_tab_index();
let previous_focus = ws
.focused_pane_id()
.ok_or_else(|| std::io::Error::other("no focused pane"))?;
let previous_zoomed = ws.active_tab().map(|tab| tab.zoomed).unwrap_or(false);
let cwd = ws
.active_tab()
.and_then(|tab| tab.cwd_for_pane(previous_focus));
let new_pane_id = ws.split_focused_command(
Direction::Horizontal,
new_rows,
new_cols,
cwd,
command,
&env,
self.state.pane_scrollback_limit_bytes,
self.state.host_terminal_theme,
)?;
ws.active_tab_mut()
.expect("workspace must have an active tab")
.layout
.focus_pane(new_pane_id);
ws.active_tab_mut()
.expect("workspace must have an active tab")
.zoomed = true;
self.overlay_panes.insert(
new_pane_id,
OverlayPaneState {
ws_idx,
tab_idx,
previous_focus,
previous_zoomed,
},
);
self.state.mode = Mode::Terminal;
Ok(())
}
pub(super) fn restore_overlay_after_exit(&mut self, overlay: OverlayPaneState) {
let Some(ws) = self.state.workspaces.get_mut(overlay.ws_idx) else {
return;
};
if overlay.tab_idx >= ws.tabs.len() {
return;
}
ws.active_tab = overlay.tab_idx;
let tab = &mut ws.tabs[overlay.tab_idx];
if tab.panes.contains_key(&overlay.previous_focus) {
tab.layout.focus_pane(overlay.previous_focus);
}
tab.zoomed = overlay.previous_zoomed;
if self.state.active == Some(overlay.ws_idx) {
self.state.mode = Mode::Terminal;
}
}
}
|
