Show each file's slug as a file-list hover tooltip
Hovering a file in the left pane now shows its `# Slug:` line as a tooltip — a one-line synopsis per chapter. Slugs are cached per file (name -> slug), filled when the workspace opens (snapshot_slugs) and refreshed on save; the selected file is parsed live from the buffer so unsaved slug edits show immediately. The cache is kept consistent on rename and delete. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01N9kRuP7JvXoUGdNNeg5ZSs
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landon
@@ -4,7 +4,8 @@ A small desktop application for Debian that treats a directory of markdown files
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as an ordered manuscript.
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* **Left pane** — every `*.md` file in the workspace directory, in a manual order
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you set by **dragging the `⠿` handle** up and down.
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you set by **dragging the `⠿` handle** up and down. **Hover a file** to see its
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`# Slug:` line as a tooltip — a handy one-line synopsis of each chapter.
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* **Right pane** — a markdown text editor for the selected file (optional live
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preview via the *Preview* checkbox).
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* **Order + contents are saved and version-controlled with git.** The order lives
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+54
-7
@@ -74,6 +74,10 @@ pub struct App {
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/// Each file's word count captured when the workspace was opened, used as the
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/// per-file baseline for the "this session" delta.
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session_start_counts: HashMap<String, usize>,
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/// Cached `# Slug:` value per file (name -> slug) for the file-list hover
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/// tooltip. Filled when the workspace opens and refreshed on save; the
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/// selected file is read live from the buffer instead.
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slugs: HashMap<String, String>,
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/// Grammar/spelling issues from the last LanguageTool check.
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lt_matches: Vec<crate::langtool::Match>,
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/// The exact buffer text the current `lt_matches` were computed against;
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@@ -159,6 +163,7 @@ impl App {
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repo_root: None,
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pending_repo: None,
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session_start_counts: HashMap::new(),
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slugs: HashMap::new(),
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lt_matches: Vec::new(),
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lt_checked_text: String::new(),
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lt_status: String::new(),
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@@ -216,6 +221,7 @@ impl App {
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self.pending_delete = false;
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self.clear_lt();
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self.session_start_counts = self.snapshot_counts();
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self.slugs = self.snapshot_slugs();
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if !self.files.is_empty() {
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self.select(0);
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}
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@@ -289,6 +295,19 @@ impl App {
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.collect()
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}
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/// Read every file and return its `# Slug:` header value (only for files that
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/// have one), for the file-list hover tooltip.
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fn snapshot_slugs(&self) -> HashMap<String, String> {
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self.files
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.iter()
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.filter_map(|name| {
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let text = std::fs::read_to_string(self.path_for(name)).unwrap_or_default();
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let header = crate::preprocess::parse(&text, &self.config.draft_marker);
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header.slug.map(|slug| (name.clone(), slug))
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})
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.collect()
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}
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fn persist_order(&self) {
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let _ = order::write_order(self.workspace(), &self.files);
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}
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@@ -321,12 +340,26 @@ impl App {
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fn save_current(&mut self) {
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if let Some(idx) = self.selected {
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if self.dirty {
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if let Some(name) = self.files.get(idx) {
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let path = self.path_for(name);
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if let Some(name) = self.files.get(idx).cloned() {
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let path = self.path_for(&name);
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match std::fs::write(&path, &self.buffer) {
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Ok(_) => {
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self.dirty = false;
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self.status = format!("Saved {name}");
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// Keep the hover-tooltip slug cache in step.
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let slug = crate::preprocess::parse(
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&self.buffer,
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&self.config.draft_marker,
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)
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.slug;
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match slug {
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Some(s) => {
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self.slugs.insert(name, s);
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}
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None => {
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self.slugs.remove(&name);
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}
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}
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}
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Err(e) => self.status = format!("Save failed: {e}"),
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}
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@@ -412,6 +445,7 @@ impl App {
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self.files.remove(idx);
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self.titles.remove(&name);
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self.session_start_counts.remove(&name);
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self.slugs.remove(&name);
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self.persist_titles();
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self.persist_order();
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self.selected = None;
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@@ -463,6 +497,9 @@ impl App {
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if let Some(words) = self.session_start_counts.remove(&old_name) {
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self.session_start_counts.insert(new_name.clone(), words);
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}
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if let Some(slug) = self.slugs.remove(&old_name) {
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self.slugs.insert(new_name.clone(), slug);
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}
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self.persist_order();
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self.status = format!("Renamed to {new_name}");
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}
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@@ -1288,6 +1325,15 @@ impl App {
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for idx in 0..self.files.len() {
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let name = self.files[idx].clone();
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let selected = self.selected == Some(idx);
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// The selected file's slug is read live from the
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// buffer (so unsaved edits show); others come from the
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// cache filled on open/save.
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let slug = if selected {
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crate::preprocess::parse(&self.buffer, &self.config.draft_marker)
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.slug
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} else {
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self.slugs.get(&name).cloned()
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};
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let row = ui
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.horizontal(|ui| {
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ui.dnd_drag_source(
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@@ -1299,13 +1345,14 @@ impl App {
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);
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},
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);
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if ui
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.add_sized(
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let mut label = ui.add_sized(
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[ui.available_width(), 20.0],
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egui::SelectableLabel::new(selected, &name),
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)
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.clicked()
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{
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);
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if let Some(slug) = &slug {
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label = label.on_hover_text(slug);
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}
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if label.clicked() {
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clicked = Some(idx);
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}
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})
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