implemented proton drive prompt

crates/pdfs-gui/Cargo.toml

@@ -14,6 +14,10 @@ path = "src/main.rs"
 name = "pdfs-app"
 path = "src/app.rs"
 
+[[bin]]
+name = "pdfs-prompt"
+path = "src/prompt.rs"
+
 [dependencies]
 pdfs-core.workspace = true
 tracing.workspace = true

crates/pdfs-gui/src/prompt.rs

@@ -0,0 +1,716 @@
+//! `pdfs-prompt` — a fast, Google Drive-style launcher prompt for searching
+//! and opening files or folders in Proton Drive.
+//!
+//! Designed to be bound to a system shortcut (e.g. in Hyprland) for quick HUD search.
+
+use std::cell::{Cell, RefCell};
+use std::path::{Path, PathBuf};
+use std::process::Command;
+use std::rc::Rc;
+use std::time::Duration;
+
+use adw::prelude::*;
+use gtk4::glib;
+
+use pdfs_core::config::AppDirs;
+use pdfs_core::control::{Request, Response, SearchHit, send};
+
+const APP_ID: &str = "io.narl.proton-drive-linux-prompt";
+const PROTON_PURPLE: &str = "#6d4aff";
+const SEARCH_DEBOUNCE: Duration = Duration::from_millis(150);
+
+/// Run one blocking control-socket round-trip on a worker thread, returning a
+/// channel that yields the [`Response`] once.
+fn spawn_request(
+    socket: PathBuf,
+    req: Request,
+) -> async_channel::Receiver<Result<Response, String>> {
+    let (tx, rx) = async_channel::bounded(1);
+    std::thread::spawn(move || {
+        let result = send(&socket, &req).map_err(|e| e.to_string());
+        let _ = tx.send_blocking(result);
+    });
+    rx
+}
+
+fn main() -> glib::ExitCode {
+    tracing_subscriber::fmt()
+        .with_env_filter(
+            tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| "info".into()),
+        )
+        .init();
+
+    let app = adw::Application::builder().application_id(APP_ID).build();
+
+    app.connect_startup(|_| {
+        load_prompt_theme();
+    });
+
+    app.connect_activate(build_window);
+
+    app.run()
+}
+
+/// Override accent colors and style the launcher for a premium HUD look.
+fn load_prompt_theme() {
+    let css = format!(
+        "@define-color accent_bg_color {PROTON_PURPLE};\n\
+         @define-color accent_color {PROTON_PURPLE};\n\
+         \n\
+         window.launcher-window {{\n\
+             background-color: transparent;\n\
+         }}\n\
+         \n\
+         .launcher-container {{\n\
+             background-color: @window_bg_color;\n\
+             border: 2px solid {PROTON_PURPLE};\n\
+             border-radius: 12px;\n\
+             padding: 12px;\n\
+             box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);\n\
+         }}\n\
+         \n\
+         .launcher-header-box {{\n\
+             padding: 6px 12px;\n\
+             background-color: alpha(@view_bg_color, 0.4);\n\
+             border-radius: 8px;\n\
+             border: 1px solid alpha({PROTON_PURPLE}, 0.2);\n\
+         }}\n\
+         \n\
+         .launcher-entry {{\n\
+             font-size: 1.15rem;\n\
+             background: transparent;\n\
+             border: none;\n\
+             box-shadow: none;\n\
+         }}\n\
+         \n\
+         .launcher-listbox {{\n\
+             background: transparent;\n\
+         }}\n\
+         \n\
+         .launcher-row {{\n\
+             padding: 10px 14px;\n\
+             border-radius: 6px;\n\
+             margin: 2px 0px;\n\
+             transition: background-color 0.15s ease, color 0.15s ease;\n\
+         }}\n\
+         \n\
+         .launcher-row:hover {{\n\
+             background-color: alpha({PROTON_PURPLE}, 0.1);\n\
+         }}\n\
+         \n\
+         .launcher-row:selected {{\n\
+             background-color: {PROTON_PURPLE};\n\
+             color: white;\n\
+         }}\n\
+         \n\
+         .launcher-row:selected .dim-label {{\n\
+             color: alpha(white, 0.7);\n\
+         }}\n\
+         \n\
+         .launcher-footer {{\n\
+             padding: 6px 12px 0px 12px;\n\
+             font-size: 0.85rem;\n\
+             border-top: 1px solid alpha({PROTON_PURPLE}, 0.1);\n\
+         }}\n\
+         \n\
+         .dim-label {{\n\
+             color: @view_fg_color;\n\
+             opacity: 0.6;\n\
+             font-size: 0.85rem;\n\
+         }}\n\
+         \n\
+         .error-box {{\n\
+             padding: 24px;\n\
+         }}\n\
+         \n\
+         .error-title {{\n\
+             font-size: 1.25rem;\n\
+             font-weight: bold;\n\
+             margin-bottom: 8px;\n\
+         }}\n"
+    );
+
+    let provider = gtk4::CssProvider::new();
+    provider.load_from_string(&css);
+    if let Some(display) = gtk4::gdk::Display::default() {
+        gtk4::style_context_add_provider_for_display(
+            &display,
+            &provider,
+            gtk4::STYLE_PROVIDER_PRIORITY_APPLICATION,
+        );
+    }
+}
+
+fn build_window(app: &adw::Application) {
+    let dirs = match AppDirs::new() {
+        Ok(d) => d,
+        Err(e) => {
+            tracing::error!("cannot resolve app dirs: {e}");
+            return;
+        }
+    };
+    let socket = dirs.control_socket();
+    let default_mountpoint = dirs.default_mountpoint();
+
+    let window = adw::ApplicationWindow::builder()
+        .application(app)
+        .title("Proton Drive Launcher")
+        .default_width(650)
+        .default_height(450)
+        .decorated(false)
+        .build();
+
+    window.add_css_class("launcher-window");
+
+    // Prefer dark mode for high-tech HUD look
+    let style_manager = adw::StyleManager::default();
+    style_manager.set_color_scheme(adw::ColorScheme::PreferDark);
+
+    let container = gtk4::Box::new(gtk4::Orientation::Vertical, 8);
+    container.add_css_class("launcher-container");
+    window.set_content(Some(&container));
+
+    // Header box: search icon, entry field, and loading spinner
+    let header_box = gtk4::Box::new(gtk4::Orientation::Horizontal, 8);
+    header_box.add_css_class("launcher-header-box");
+
+    let search_icon = gtk4::Image::from_icon_name("system-search-symbolic");
+    header_box.append(&search_icon);
+
+    let entry = gtk4::Entry::builder()
+        .placeholder_text("Search Proton Drive...")
+        .hexpand(true)
+        .build();
+    entry.add_css_class("launcher-entry");
+    header_box.append(&entry);
+
+    let spinner = gtk4::Spinner::new();
+    spinner.set_visible(false);
+    header_box.append(&spinner);
+
+    container.append(&header_box);
+
+    let separator = gtk4::Separator::new(gtk4::Orientation::Horizontal);
+    container.append(&separator);
+
+    // View stack to transition between results list and warning page
+    let stack = adw::ViewStack::new();
+    container.append(&stack);
+
+    // Page 1: Scrolled window and listbox for results
+    let list_box = gtk4::ListBox::new();
+    list_box.add_css_class("launcher-listbox");
+
+    let scrolled_window = gtk4::ScrolledWindow::builder()
+        .hscrollbar_policy(gtk4::PolicyType::Never)
+        .vscrollbar_policy(gtk4::PolicyType::Automatic)
+        .vexpand(true)
+        .child(&list_box)
+        .build();
+    stack.add_named(&scrolled_window, Some("search"));
+
+    // Page 2: Error screen if daemon is offline
+    let error_box = gtk4::Box::new(gtk4::Orientation::Vertical, 12);
+    error_box.add_css_class("error-box");
+    error_box.set_valign(gtk4::Align::Center);
+    error_box.set_halign(gtk4::Align::Center);
+
+    let error_icon = gtk4::Image::from_icon_name("dialog-warning-symbolic");
+    error_icon.set_pixel_size(48);
+    error_icon.add_css_class("brand-icon");
+    error_box.append(&error_icon);
+
+    let error_title = gtk4::Label::builder()
+        .label("Daemon Offline")
+        .justify(gtk4::Justification::Center)
+        .build();
+    error_title.add_css_class("error-title");
+    error_box.append(&error_title);
+
+    let error_desc = gtk4::Label::builder()
+        .label("Proton Drive mount daemon is not running.\nStart the daemon or run `pdfs mount` to connect.")
+        .justify(gtk4::Justification::Center)
+        .build();
+    error_desc.add_css_class("dim-label");
+    error_box.append(&error_desc);
+
+    let retry_button = gtk4::Button::builder()
+        .label("Retry Connection")
+        .halign(gtk4::Align::Center)
+        .build();
+    retry_button.add_css_class("suggested-action");
+    retry_button.add_css_class("pill");
+    error_box.append(&retry_button);
+
+    stack.add_named(&error_box, Some("error"));
+
+    // Footer box: status label
+    let footer_box = gtk4::Box::new(gtk4::Orientation::Horizontal, 8);
+    footer_box.add_css_class("launcher-footer");
+
+    let status_label = gtk4::Label::builder()
+        .label("Initialising...")
+        .halign(gtk4::Align::Start)
+        .ellipsize(gtk4::pango::EllipsizeMode::End)
+        .hexpand(true)
+        .build();
+    status_label.add_css_class("dim-label");
+    footer_box.append(&status_label);
+
+    container.append(&footer_box);
+
+    // Shared state variables
+    let hits = Rc::new(RefCell::new(Vec::<SearchHit>::new()));
+    let mountpoint = Rc::new(RefCell::new(default_mountpoint.display().to_string()));
+    let is_opening = Rc::new(Cell::new(false));
+
+    // Handle retry on connection failure
+    let stack_clone = stack.clone();
+    let socket_clone = socket.clone();
+    let mountpoint_clone = mountpoint.clone();
+    let status_label_clone = status_label.clone();
+    let spinner_clone = spinner.clone();
+    let list_box_clone = list_box.clone();
+    let hits_clone = hits.clone();
+    let entry_clone = entry.clone();
+
+    let check_connection = move || {
+        status_label_clone.set_text("Connecting to daemon...");
+        match send(&socket_clone, &Request::Status) {
+            Ok(Response::Status { mountpoint: mp, .. }) => {
+                *mountpoint_clone.borrow_mut() = mp;
+                stack_clone.set_visible_child_name("search");
+                entry_clone.set_sensitive(true);
+                load_initial_pins(
+                    &list_box_clone,
+                    &hits_clone,
+                    &socket_clone,
+                    &status_label_clone,
+                    &spinner_clone,
+                );
+                true
+            }
+            _ => {
+                stack_clone.set_visible_child_name("error");
+                entry_clone.set_sensitive(false);
+                status_label_clone.set_text("Daemon offline.");
+                false
+            }
+        }
+    };
+
+    let check_conn = check_connection.clone();
+    retry_button.connect_clicked(move |_| {
+        check_conn();
+    });
+
+    window.connect_is_active_notify(move |w| {
+        if !w.is_active() {
+            w.close();
+        }
+    });
+
+    // Auto-focus search entry on window show
+    let entry_focus = entry.clone();
+    window.connect_map(move |_| {
+        entry_focus.grab_focus();
+    });
+
+    // Event key controller on entry field for keyboard shortcuts
+    let key_controller = gtk4::EventControllerKey::new();
+    let list_box_keys = list_box.clone();
+    let window_keys = window.clone();
+    let entry_keys = entry.clone();
+    let hits_keys = hits.clone();
+    let is_opening_keys = is_opening.clone();
+
+    key_controller.connect_key_pressed(move |_, key, _keycode, _state| {
+        if is_opening_keys.get() {
+            return glib::Propagation::Stop;
+        }
+
+        match key {
+            gtk4::gdk::Key::Escape => {
+                window_keys.close();
+                glib::Propagation::Stop
+            }
+            gtk4::gdk::Key::Down => {
+                let count = hits_keys.borrow().len();
+                if count > 0 {
+                    let selected = list_box_keys.selected_row();
+                    let next_idx = if let Some(row) = selected {
+                        (row.index() + 1) % count as i32
+                    } else {
+                        0
+                    };
+                    if let Some(row) = list_box_keys.row_at_index(next_idx) {
+                        list_box_keys.select_row(Some(&row));
+                        row.grab_focus();
+                        entry_keys.grab_focus();
+                    }
+                }
+                glib::Propagation::Stop
+            }
+            gtk4::gdk::Key::Up => {
+                let count = hits_keys.borrow().len();
+                if count > 0 {
+                    let selected = list_box_keys.selected_row();
+                    let next_idx = if let Some(row) = selected {
+                        (row.index() - 1 + count as i32) % count as i32
+                    } else {
+                        (count - 1) as i32
+                    };
+                    if let Some(row) = list_box_keys.row_at_index(next_idx) {
+                        list_box_keys.select_row(Some(&row));
+                        row.grab_focus();
+                        entry_keys.grab_focus();
+                    }
+                }
+                glib::Propagation::Stop
+            }
+            _ => glib::Propagation::Proceed,
+        }
+    });
+    entry.add_controller(key_controller);
+
+    // Entry activation (pressing Return/Enter)
+    let list_box_activate = list_box.clone();
+    let hits_activate = hits.clone();
+    let window_activate = window.clone();
+    let socket_activate = socket.clone();
+    let mountpoint_activate = mountpoint.clone();
+    let status_label_activate = status_label.clone();
+    let spinner_activate = spinner.clone();
+    let is_opening_activate = is_opening.clone();
+
+    entry.connect_activate(move |_| {
+        if is_opening_activate.get() {
+            return;
+        }
+        if let Some(row) = list_box_activate.selected_row() {
+            let idx = row.index() as usize;
+            let hits_borrow = hits_activate.borrow();
+            if idx < hits_borrow.len() {
+                let hit = &hits_borrow[idx];
+                open_hit(
+                    &window_activate,
+                    hit,
+                    &socket_activate,
+                    &mountpoint_activate,
+                    &status_label_activate,
+                    &spinner_activate,
+                    is_opening_activate.clone(),
+                );
+            }
+        }
+    });
+
+    // List box row activation (mouse clicks / touch taps)
+    let hits_act = hits.clone();
+    let window_act = window.clone();
+    let socket_act = socket.clone();
+    let mountpoint_act = mountpoint.clone();
+    let status_label_act = status_label.clone();
+    let spinner_act = spinner.clone();
+    let is_opening_act = is_opening.clone();
+
+    list_box.connect_row_activated(move |_, row| {
+        if is_opening_act.get() {
+            return;
+        }
+        let idx = row.index() as usize;
+        let hits_borrow = hits_act.borrow();
+        if idx < hits_borrow.len() {
+            let hit = &hits_borrow[idx];
+            open_hit(
+                &window_act,
+                hit,
+                &socket_act,
+                &mountpoint_act,
+                &status_label_act,
+                &spinner_act,
+                is_opening_act.clone(),
+            );
+        }
+    });
+
+    // Debounced search text entry listener
+    let search_source = Rc::new(RefCell::new(None::<glib::SourceId>));
+    let search_source_changed = search_source.clone();
+    let list_box_search = list_box.clone();
+    let hits_search = hits.clone();
+    let socket_search = socket.clone();
+    let status_label_search = status_label.clone();
+    let spinner_search = spinner.clone();
+
+    entry.connect_changed(move |ent| {
+        if let Some(src) = search_source_changed.borrow_mut().take() {
+            src.remove();
+        }
+
+        let ent_clone = ent.clone();
+        let list_box_clone = list_box_search.clone();
+        let hits_clone = hits_search.clone();
+        let socket_clone = socket_search.clone();
+        let status_label_clone = status_label_search.clone();
+        let spinner_clone = spinner_search.clone();
+        let search_source_cb = search_source_changed.clone();
+
+        let src = glib::timeout_add_local_once(SEARCH_DEBOUNCE, move || {
+            search_source_cb.borrow_mut().take();
+            let query = ent_clone.text().trim().to_string();
+            if query.is_empty() {
+                load_initial_pins(
+                    &list_box_clone,
+                    &hits_clone,
+                    &socket_clone,
+                    &status_label_clone,
+                    &spinner_clone,
+                );
+            } else {
+                run_prompt_search(
+                    &list_box_clone,
+                    &hits_clone,
+                    &socket_clone,
+                    &query,
+                    &status_label_clone,
+                    &spinner_clone,
+                );
+            }
+        });
+        *search_source_changed.borrow_mut() = Some(src);
+    });
+
+    // Perform the initial connection and load check
+    check_connection();
+
+    window.present();
+}
+
+/// Retrieve pinned files from the daemon and render them in the results list.
+fn load_initial_pins(
+    list_box: &gtk4::ListBox,
+    hits: &Rc<RefCell<Vec<SearchHit>>>,
+    socket: &Path,
+    status_label: &gtk4::Label,
+    spinner: &gtk4::Spinner,
+) {
+    status_label.set_text("Loading pinned files...");
+    spinner.set_visible(true);
+    spinner.start();
+
+    let rx = spawn_request(socket.to_path_buf(), Request::ListPins);
+    let list_box = list_box.clone();
+    let hits = hits.clone();
+    let status_label = status_label.clone();
+    let spinner = spinner.clone();
+
+    glib::spawn_future_local(async move {
+        let res = rx.recv().await;
+        spinner.stop();
+        spinner.set_visible(false);
+
+        match res {
+            Ok(Ok(Response::Pins { pins })) => {
+                let mapped_hits: Vec<SearchHit> = pins
+                    .into_iter()
+                    .map(|p| {
+                        let path_obj = Path::new(&p.path);
+                        let name = path_obj
+                            .file_name()
+                            .and_then(|s| s.to_str())
+                            .unwrap_or(&p.path)
+                            .to_string();
+                        SearchHit {
+                            name,
+                            path: p.path,
+                            is_dir: p.recursive,
+                            size: 0,
+                            modified: 0,
+                            pinned: true,
+                            uid: p.uid,
+                        }
+                    })
+                    .collect();
+
+                repaint_prompt_results(&list_box, &hits, &mapped_hits);
+                if mapped_hits.is_empty() {
+                    status_label.set_text("No pinned files. Type to search.");
+                } else {
+                    status_label.set_text("Showing pinned files. Type to search.");
+                }
+            }
+            _ => {
+                status_label.set_text("Failed to load pinned files. Type to search.");
+            }
+        }
+    });
+}
+
+/// Run search on the daemon and update the results list.
+fn run_prompt_search(
+    list_box: &gtk4::ListBox,
+    hits: &Rc<RefCell<Vec<SearchHit>>>,
+    socket: &Path,
+    query: &str,
+    status_label: &gtk4::Label,
+    spinner: &gtk4::Spinner,
+) {
+    status_label.set_text("Searching...");
+    spinner.set_visible(true);
+    spinner.start();
+
+    let rx = spawn_request(
+        socket.to_path_buf(),
+        Request::Search {
+            query: query.to_string(),
+            limit: 30,
+        },
+    );
+    let list_box = list_box.clone();
+    let hits = hits.clone();
+    let status_label = status_label.clone();
+    let spinner = spinner.clone();
+
+    glib::spawn_future_local(async move {
+        let res = rx.recv().await;
+        spinner.stop();
+        spinner.set_visible(false);
+
+        match res {
+            Ok(Ok(Response::SearchResults { hits: search_hits })) => {
+                repaint_prompt_results(&list_box, &hits, &search_hits);
+                if search_hits.is_empty() {
+                    status_label.set_text("No matches found.");
+                } else {
+                    status_label.set_text(&format!("Found {} matches.", search_hits.len()));
+                }
+            }
+            Ok(Ok(Response::Error { message })) => {
+                status_label.set_text(&format!("Search error: {message}"));
+            }
+            _ => {
+                status_label.set_text("Search request failed.");
+            }
+        }
+    });
+}
+
+/// Render the provided search hits into the ListBox.
+fn repaint_prompt_results(
+    list_box: &gtk4::ListBox,
+    hits: &Rc<RefCell<Vec<SearchHit>>>,
+    new_hits: &[SearchHit],
+) {
+    // Clear all rows
+    while let Some(child) = list_box.first_child() {
+        list_box.remove(&child);
+    }
+
+    *hits.borrow_mut() = new_hits.to_vec();
+
+    for hit in new_hits {
+        let row = gtk4::ListBoxRow::new();
+        row.add_css_class("launcher-row");
+
+        let row_box = gtk4::Box::new(gtk4::Orientation::Horizontal, 12);
+
+        let icon_name = if hit.is_dir {
+            "folder-symbolic"
+        } else {
+            "document-symbolic"
+        };
+        let icon = gtk4::Image::from_icon_name(icon_name);
+        row_box.append(&icon);
+
+        let text_box = gtk4::Box::new(gtk4::Orientation::Vertical, 2);
+        text_box.set_hexpand(true);
+
+        let name_label = gtk4::Label::builder()
+            .label(&hit.name)
+            .halign(gtk4::Align::Start)
+            .ellipsize(gtk4::pango::EllipsizeMode::End)
+            .build();
+
+        let path_label = gtk4::Label::builder()
+            .label(&hit.path)
+            .halign(gtk4::Align::Start)
+            .ellipsize(gtk4::pango::EllipsizeMode::End)
+            .build();
+        path_label.add_css_class("dim-label");
+
+        text_box.append(&name_label);
+        text_box.append(&path_label);
+
+        row_box.append(&text_box);
+        row.set_child(Some(&row_box));
+
+        list_box.append(&row);
+    }
+
+    // Automatically select the first item
+    if !new_hits.is_empty()
+        && let Some(row) = list_box.row_at_index(0) {
+            list_box.select_row(Some(&row));
+        }
+}
+
+/// Open the selected search hit. Directories open FUSE directly, files trigger cache download.
+fn open_hit(
+    window: &adw::ApplicationWindow,
+    hit: &SearchHit,
+    socket: &Path,
+    mountpoint: &Rc<RefCell<String>>,
+    status_label: &gtk4::Label,
+    spinner: &gtk4::Spinner,
+    is_opening: Rc<Cell<bool>>,
+) {
+    if hit.is_dir {
+        let mp = mountpoint.borrow();
+        let full_path = Path::new(&*mp).join(&hit.path);
+        tracing::info!("Opening directory: {}", full_path.display());
+        if let Err(e) = Command::new("xdg-open").arg(&full_path).spawn() {
+            tracing::error!("Failed to xdg-open directory: {e}");
+        }
+        window.close();
+    } else {
+        is_opening.set(true);
+        status_label.set_text(&format!("Downloading {}...", hit.name));
+        spinner.set_visible(true);
+        spinner.start();
+
+        let rx = spawn_request(
+            socket.to_path_buf(),
+            Request::OpenFile {
+                path: hit.path.clone(),
+            },
+        );
+        let window_clone = window.clone();
+        let status_label_clone = status_label.clone();
+        let spinner_clone = spinner.clone();
+        let is_opening_clone = is_opening.clone();
+
+        glib::spawn_future_local(async move {
+            let res = rx.recv().await;
+            spinner_clone.stop();
+            spinner_clone.set_visible(false);
+            is_opening_clone.set(false);
+
+            match res {
+                Ok(Ok(Response::FilePath { path })) => {
+                    tracing::info!("Opening file: {}", path);
+                    if let Err(e) = Command::new("xdg-open").arg(&path).spawn() {
+                        tracing::error!("Failed to xdg-open file: {e}");
+                    }
+                    window_clone.close();
+                }
+                Ok(Ok(Response::Error { message })) => {
+                    status_label_clone.set_text(&format!("Error: {message}"));
+                }
+                _ => {
+                    status_label_clone.set_text("Error: Failed to communicate with daemon.");
+                }
+            }
+        });
+    }
+}

packaging/PKGBUILD

@@ -43,7 +43,8 @@ build() {
   cargo build --release --frozen \
     --bin pdfs \
     --bin pdfs-tray \
-    --bin pdfs-app
+    --bin pdfs-app \
+    --bin pdfs-prompt
 }
 
 package() {
@@ -53,6 +54,7 @@ package() {
   install -Dm755 "$rel/pdfs"      "$pkgdir/usr/bin/pdfs"
   install -Dm755 "$rel/pdfs-tray" "$pkgdir/usr/bin/pdfs-tray"
   install -Dm755 "$rel/pdfs-app"  "$pkgdir/usr/bin/pdfs-app"
+  install -Dm755 "$rel/pdfs-prompt" "$pkgdir/usr/bin/pdfs-prompt"
 
   install -Dm644 "packaging/io.narl.proton-drive-linux.desktop" \
     "$pkgdir/usr/share/applications/io.narl.proton-drive-linux.desktop"