use super::super::*;
impl App {
fn locate_config(&self, kind: configs::Kind) -> Result<configs::Located, String> {
match &self.config_places {
Some((home, config)) => configs::locate(
kind,
&configs::Facts {
home,
config_home: config,
settings: None,
command_center: None,
store: Path::new("/nix/store"),
},
),
None if self.examine_here => configs::here(kind),
None => Err("configurations are not read here".to_string()),
}
}
fn copies_folder(&self) -> Option<PathBuf> {
self.config_folder.clone().or_else(configs::private_folder)
}
fn no_copies_folder(&mut self) {
self.cannot_config(
"There is no state folder for Helix Toolbox's private copies; nothing is saved.".into(),
);
}
fn config_check(&self) -> fn(&Path) -> Option<(bool, String)> {
if self.examine_here {
configs::ghostty_here
} else {
|_| None
}
}
pub(in crate::tui::app) fn read_configs(&mut self) {
let check = self.config_check();
self.config_parts = configs::Kind::ALL
.into_iter()
.map(|kind| {
let found = self.locate_config(kind);
let (loaded, checked, history) = match &found {
Ok(located) => {
let loaded = configs::read(located);
let checked = loaded.as_ref().ok().map(|loaded| {
configs::validate(
kind,
&loaded.content,
&check,
self.copies_folder().as_deref(),
)
});
(Some(loaded), checked, configs::history(located))
}
Err(_) => (None, None, Vec::new()),
};
ConfigPart {
kind,
found,
loaded,
checked,
history,
draft: None,
draft_checked: None,
}
})
.collect();
self.build_config_rows();
}
fn config_part(&self, kind: configs::Kind) -> Option<&ConfigPart> {
self.config_parts.iter().find(|part| part.kind == kind)
}
fn config_ready(
&self,
kind: configs::Kind,
) -> Result<(configs::Located, configs::Loaded), String> {
let part = self.config_part(kind).ok_or("it has not been read")?;
let located = part.found.clone()?;
let loaded = part.loaded.clone().ok_or("it has not been read")??;
Ok((located, loaded))
}
fn selected_config_row(&self) -> Option<ConfigRow> {
self.config_rows.get(self.main_state.selected()?).cloned()
}
fn selected_config_kind(&self) -> Option<configs::Kind> {
let at = self.main_state.selected()?;
self.config_rows[..=at.min(self.config_rows.len().saturating_sub(1))]
.iter()
.rev()
.find_map(|row| match row {
ConfigRow::Field(kind, _) | ConfigRow::Edit(kind) | ConfigRow::Backup(kind, _) => {
Some(*kind)
}
ConfigRow::Heading(text) => configs::Kind::ALL
.into_iter()
.find(|kind| text.starts_with(kind.label())),
ConfigRow::Text(_) => None,
})
}
pub(in crate::tui::app) fn config_key(&mut self, code: KeyCode) {
match code {
KeyCode::Enter | KeyCode::Char('l') | KeyCode::Right => {
match self.selected_config_row() {
Some(ConfigRow::Field(kind, index)) => self.ask_config_field(kind, index),
Some(ConfigRow::Edit(kind)) => self.start_edit(kind),
Some(ConfigRow::Backup(kind, index)) => self.restore_config(kind, index),
_ => self.describe_config(),
}
}
KeyCode::Char('E') => {
if let Some(kind) = self.selected_config_kind() {
self.start_edit(kind);
}
}
KeyCode::Char('d') => self.describe_config(),
KeyCode::Char('c') => {
if let Some(kind) = self.selected_config_kind() {
self.check_config(kind);
}
}
KeyCode::Char('s') => {
if let Some(kind) = self.selected_config_kind() {
self.save_draft(kind);
}
}
KeyCode::Char('x') => {
if let Some(kind) = self.selected_config_kind() {
self.discard_draft(kind);
}
}
KeyCode::Char('v') | KeyCode::Char('r') => self.read_configs(),
KeyCode::Char('h') | KeyCode::Left => self.focus = Focus::Sidebar,
_ => {}
}
}
pub(in crate::tui::app) fn config_hints(&self, list: &mut Vec<Hint>) {
list.push(Hint::new(&["↑↓"], "Navigate"));
match self.selected_config_row() {
Some(ConfigRow::Field(..)) => list.push(Hint::new(&["Enter"], "Change")),
Some(ConfigRow::Backup(..)) => list.push(Hint::new(&["Enter"], "Put back")),
_ => {}
}
if let Some(kind) = self.selected_config_kind() {
list.push(Hint::new(&["c"], "Check"));
if self
.config_part(kind)
.is_some_and(|part| part.draft.is_some())
{
list.push(Hint::new(&["s"], "Save"));
list.push(Hint::new(&["x"], "Discard changes"));
}
list.push(Hint::new(&["E"], "Edit in your editor"));
}
list.push(Hint::new(&["d"], "Details"));
list.push(Hint::new(&["r"], "Read again"));
}
fn cannot_config(&mut self, why: String) {
self.popup = Some(Popup::Text(TextPopup::new("Cannot change it", why, true)));
}
fn ask_config_field(&mut self, kind: configs::Kind, index: usize) {
let Some(field) = kind.fields().get(index) else {
return;
};
let (_, loaded) = match self.config_ready(kind) {
Ok(ready) => ready,
Err(why) => return self.cannot_config(why),
};
let text = self
.config_part(kind)
.and_then(|part| part.draft.clone())
.unwrap_or(loaded.content);
let now = configs::values(kind, &text)
.into_iter()
.find(|(key, _)| *key == field.key)
.and_then(|(_, value)| value)
.unwrap_or_default();
self.popup = Some(Popup::Ask(
InputPopup::new(
format!("{}: {}", kind.label(), field.label),
format!("{} ({}):", field.key, field.hint),
)
.with_value(now)
.answering("Change"),
Asked::ConfigField(kind, field.key),
));
}
pub(in crate::tui::app) fn set_config(&mut self, kind: configs::Kind, key: &str, value: &str) {
let (_, loaded) = match self.config_ready(kind) {
Ok(ready) => ready,
Err(why) => return self.cannot_config(why),
};
let text = self
.config_part(kind)
.and_then(|part| part.draft.clone())
.unwrap_or_else(|| loaded.content.clone());
match configs::set(kind, &text, key, value) {
Ok(after) => self.set_draft(kind, &loaded, after),
Err(why) => self.cannot_config(why),
}
}
fn set_draft(&mut self, kind: configs::Kind, loaded: &configs::Loaded, after: String) {
if let Some(part) = self.config_parts.iter_mut().find(|part| part.kind == kind) {
part.draft = (after != loaded.content).then_some(after);
part.draft_checked = None;
}
self.build_config_rows();
}
fn check_config(&mut self, kind: configs::Kind) {
let (_, loaded) = match self.config_ready(kind) {
Ok(ready) => ready,
Err(why) => return self.cannot_config(why),
};
let check = self.config_check();
let folder = self.copies_folder();
if let Some(part) = self.config_parts.iter_mut().find(|part| part.kind == kind) {
let checked = configs::validate(
kind,
part.draft.as_deref().unwrap_or(&loaded.content),
&check,
folder.as_deref(),
);
if part.draft.is_some() {
part.draft_checked = Some(checked);
} else {
part.checked = Some(checked);
}
}
self.build_config_rows();
}
fn save_draft(&mut self, kind: configs::Kind) {
let (located, loaded) = match self.config_ready(kind) {
Ok(ready) => ready,
Err(why) => return self.cannot_config(why),
};
let draft = self
.config_part(kind)
.and_then(|part| part.draft.clone())
.unwrap_or_else(|| loaded.content.clone());
self.save_config(&located, &loaded, &draft);
}
fn discard_draft(&mut self, kind: configs::Kind) {
if let Some(part) = self.config_parts.iter_mut().find(|part| part.kind == kind) {
part.draft = None;
part.draft_checked = None;
}
self.build_config_rows();
}
fn save_config(&mut self, located: &configs::Located, loaded: &configs::Loaded, after: &str) {
let Some(folder) = self.copies_folder() else {
return self.no_copies_folder();
};
let checked = configs::validate(located.kind, after, &self.config_check(), Some(&folder));
if let Checked::Invalid(why) = &checked {
return self.cannot_config(format!("Not saved: {why}."));
}
if loaded.content == after {
self.popup = Some(Popup::Text(TextPopup::new(
"Nothing changed",
"The file is as it was; nothing is saved.",
true,
)));
return;
}
match configs::plan_save(located, &loaded.revision, after, &checked, &folder) {
Ok(planned) => self.confirm_plan(Ok(planned)),
Err(why) => self.cannot_config(why),
}
}
fn start_edit(&mut self, kind: configs::Kind) {
let (located, loaded) = match self.config_ready(kind) {
Ok(ready) => ready,
Err(why) => return self.cannot_config(why),
};
let Some(folder) = self.copies_folder() else {
return self.no_copies_folder();
};
let text = self
.config_part(kind)
.and_then(|part| part.draft.clone())
.unwrap_or_else(|| loaded.content.clone());
let copy = match configs::private_copy(kind, "edit", &text, &folder) {
Ok(copy) => copy,
Err(why) => return self.cannot_config(why),
};
let editor = ["VISUAL", "EDITOR"]
.iter()
.filter_map(|name| std::env::var(name).ok())
.find(|editor| !editor.trim().is_empty())
.unwrap_or_else(|| "nano".to_string());
self.edit_request = Some(EditRequest {
copy,
editor,
located,
loaded,
});
}
pub fn take_edit(&mut self) -> Option<EditRequest> {
self.edit_request.take()
}
pub fn edited(&mut self, request: EditRequest, closed: Result<(), String>) {
let after = std::fs::read_to_string(&request.copy);
let _ = std::fs::remove_file(&request.copy);
if let Err(why) = closed {
return self.cannot_config(format!("{why}; nothing is saved."));
}
match after {
Ok(after) => {
self.set_draft(request.located.kind, &request.loaded, after.clone());
self.save_config(&request.located, &request.loaded, &after)
}
Err(error) => self.cannot_config(format!(
"The edited copy cannot be read: {error}; nothing is saved."
)),
}
}
fn restore_config(&mut self, kind: configs::Kind, index: usize) {
let Some(backup) = self
.config_part(kind)
.and_then(|part| part.history.get(index))
.cloned()
else {
return;
};
self.confirm_plan(Ok(backups::plan_restore(&backup)));
}
fn describe_config(&mut self) {
let Some(kind) = self.selected_config_kind() else {
return;
};
let Some(part) = self.config_part(kind) else {
return;
};
let text = match (&part.found, &part.loaded) {
(Err(why), _) => format!("{why}."),
(Ok(located), loaded) => {
let mut text = format!(
"{}, named by {}.\n\n{} reads {}{}.",
helix_toolbox_core::printable(&located.path.display().to_string()),
located.origin.label(),
kind.label(),
helix_toolbox_core::printable(&located.live.display().to_string()),
if located.managed {
", a Home Manager link into the Nix store"
} else {
""
}
);
if let Some(Ok(loaded)) = loaded {
text.push_str(&format!(
"\n\n{} bytes; SHA-256 {}.",
loaded.content.len(),
loaded.revision
));
}
if let Some(flake) = &located.flake {
text.push_str(&format!(
"\n\nIt is part of the Home Manager flake in {}: run Home Manager after a change to make it live.",
helix_toolbox_core::printable(&flake.display().to_string())
));
}
text.push_str("\n\nA save keeps the file there now as a backup beside it, which Backups and helix-toolbox restore can put back.");
text
}
};
self.popup = Some(Popup::Text(TextPopup::new(
format!("{}'s configuration", kind.label()),
text,
true,
)));
}
fn build_config_rows(&mut self) {
let mut rows = Vec::new();
for part in &self.config_parts {
let kind = part.kind;
let located = match &part.found {
Ok(located) => located,
Err(why) => {
rows.push(ConfigRow::Heading(kind.label().to_string()));
rows.push(ConfigRow::Text(format!("{why}.")));
continue;
}
};
rows.push(ConfigRow::Heading(format!(
"{} {}",
kind.label(),
located.path.display()
)));
let mut about = format!("named by {}", located.origin.label());
if located.managed {
about.push_str("; the live file is a Home Manager link");
}
if located.flake.is_some() {
about.push_str("; run Home Manager after a change");
}
rows.push(ConfigRow::Text(about));
match &part.loaded {
Some(Err(why)) => {
rows.push(ConfigRow::Text(format!("{why}.")));
continue;
}
Some(Ok(loaded)) if !loaded.exists => {
rows.push(ConfigRow::Text(
"not there yet; a change makes it".to_string(),
));
}
_ => {}
}
if let Some(checked) = &part.checked {
rows.push(ConfigRow::Text(match checked {
Checked::Valid => "Checks: valid".to_string(),
Checked::Unchecked(why) | Checked::Invalid(why) => {
format!("Checks: {}: {why}", checked.label())
}
}));
}
if part.draft.is_some() {
rows.push(ConfigRow::Text(
"Draft: changed, not saved yet. c checks it, s saves it after review, x discards it."
.to_string(),
));
rows.push(ConfigRow::Text(match &part.draft_checked {
None => "Draft checks: not checked yet".to_string(),
Some(Checked::Valid) => "Draft checks: valid".to_string(),
Some(checked @ (Checked::Unchecked(why) | Checked::Invalid(why))) => {
format!("Draft checks: {}: {why}", checked.label())
}
}));
}
rows.extend((0..kind.fields().len()).map(|index| ConfigRow::Field(kind, index)));
rows.push(ConfigRow::Edit(kind));
if !part.history.is_empty() {
rows.push(ConfigRow::Text(format!(
"backups kept ({}), newest first:",
part.history.len()
)));
rows.extend((0..part.history.len()).map(|index| ConfigRow::Backup(kind, index)));
}
}
self.config_rows = rows;
self.clamp_main();
}
pub(in crate::tui::app) fn draw_configs(&mut self, frame: &mut Frame, area: Rect) {
let inner = self.page(
frame,
area,
"Configs",
"Ghostty's and Fastfetch's configuration. Each change is checked and shown before it is saved, and the file there now is kept as a backup.",
);
self.fill(frame, inner);
let focused = self.focus == Focus::Main;
let muted = Style::default().fg(self.theme.muted());
let mut items: Vec<Line> = Vec::new();
for row in &self.config_rows {
items.push(match row {
ConfigRow::Heading(text) => Line::styled(
helix_toolbox_core::printable(text),
Style::default().fg(self.theme.group()).bold(),
),
ConfigRow::Text(text) => {
let color = if text.starts_with("Checks: Invalid")
|| text.starts_with("Draft checks: Invalid")
{
self.theme.failure()
} else {
self.theme.muted()
};
Line::styled(
format!(" {}", helix_toolbox_core::printable(text)),
Style::default().fg(color),
)
}
ConfigRow::Field(kind, index) => {
let field = &kind.fields()[*index];
let value = self.config_part(*kind).and_then(|part| {
let text = match &part.draft {
Some(draft) => draft.as_str(),
None => part.loaded.as_ref()?.as_ref().ok()?.content.as_str(),
};
configs::values(*kind, text)
.into_iter()
.find(|(key, _)| *key == field.key)?
.1
});
Line::from(vec![
Span::styled(
format!(" {:<26}", field.label),
Style::default().fg(self.theme.entry()),
),
Span::styled(
value
.as_deref()
.map(helix_toolbox_core::printable)
.unwrap_or_else(|| "(not set)".to_string()),
muted,
),
])
}
ConfigRow::Edit(_) => Line::styled(
" Edit the whole file in your editor…".to_string(),
Style::default().fg(self.theme.entry()),
),
ConfigRow::Backup(kind, index) => {
let backup = self
.config_part(*kind)
.and_then(|part| part.history.get(*index));
Line::from(vec![
Span::styled(
format!(
" {} ",
backup
.and_then(|backup| backup.taken.clone())
.unwrap_or_default()
),
Style::default().fg(self.theme.entry()),
),
Span::styled(
backup
.map(|backup| {
helix_toolbox_core::printable(
&backup.backup.display().to_string(),
)
})
.unwrap_or_default(),
muted,
),
])
}
});
}
let list = List::new(self.measure(items))
.block(self.card("Configs"))
.highlight_style(self.highlight(focused))
.highlight_symbol(self.marker(focused))
.scroll_padding(1);
bordered_list(frame, list, inner, &mut self.main_state, &self.hits);
}
}