First version0.1.1

9 files changed, 1894 insertions, 0 deletions

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+authors = ["Weicao-CatilGrass"]
+description = "Just a progress display tool"
+version = "0.1.1"
+edition = "2024"
+
+readme = "README.md"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/catilgrass/just_progress"
+
+[dependencies]
+tokio = { version = "1", features = ["sync"] }
+
+[dev-dependencies]
+tokio = { version = "1", features = ["full"] }
diff --git a/LICENSE-APACHE b/LICENSE-APACHE
new file mode 100644
index 0000000..51eefef
--- /dev/null
+++ b/LICENSE-APACHE
@@ -0,0 +1,202 @@
+
+                                 Apache License
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diff --git a/LICENSE-MIT b/LICENSE-MIT
new file mode 100644
index 0000000..4ff38a3
--- /dev/null
+++ b/LICENSE-MIT
@@ -0,0 +1,9 @@
+# The MIT License (MIT)
+
+Copyright © 2026 Weicao-CatilGrass
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..517ae53
--- /dev/null
+++ b/README.md
@@ -0,0 +1,97 @@
+# just_progress
+
+> Just a progress display tool
+
+## Usage
+
+```rust
+use just_progress::progress;
+use just_progress::renderer::ProgressSimpleRenderer;
+use tokio::time::{sleep, Duration};
+use tokio::join;
+
+#[tokio::main]
+async fn main() {
+    // Initialize the progress center
+    let center = progress::init();
+    
+    // Create a renderer and enable subprogress display
+    let renderer = ProgressSimpleRenderer::new().with_subprogress(true);
+    
+    // Bind the renderer callback function
+    let bind = progress::bind(center, move |name, state| renderer.update(name, state));
+    
+    // Concurrently execute progress binding and business logic
+    join!(bind, proc());
+}
+
+async fn proc() {
+    println!("Starting package download!");
+    sleep(Duration::from_millis(500)).await;
+    
+    // Define multiple concurrent download tasks
+    let download_task = async {
+        for i in 1..21 {
+            sleep(Duration::from_millis(50)).await;
+            progress::update_progress("Download/Data", i as f32 * 0.05);
+        }
+    };
+
+    let extract_task = async {
+        for i in 1..11 {
+            sleep(Duration::from_millis(100)).await;
+            progress::update_progress("Download/Extract", i as f32 * 0.1);
+        }
+    };
+
+    let verify_sha256_task = async {
+        for i in 1..6 {
+            sleep(Duration::from_millis(300)).await;
+            progress::update_progress("Download/Verify/SHA256", i as f32 * 0.2);
+        }
+    };
+
+    let verify_md5_task = async {
+        for i in 1..6 {
+            sleep(Duration::from_millis(100)).await;
+            progress::update_progress("Download/Verify/MD5", i as f32 * 0.2);
+        }
+    };
+
+    let verify_blake3_task = async {
+        for i in 1..6 {
+            sleep(Duration::from_millis(500)).await;
+            progress::update_progress("Download/Verify/Blake3", i as f32 * 0.2);
+        }
+    };
+
+    // Concurrently execute all download tasks
+    join!(
+        download_task,
+        extract_task,
+        verify_sha256_task,
+        verify_blake3_task,
+        verify_md5_task
+    );
+
+    sleep(Duration::from_millis(500)).await;
+    progress::clear_all(); // Clear all progress after download completes
+    println!("Package download complete!");
+
+    progress::close(); // Close the progress channel, ending the program
+}
+```
+
+## Installation
+
+Add this to your `Cargo.toml`:
+
+```toml
+[dependencies]
+just_progress = "0.1"
+```
+
+## License
+
+This project is dual-licensed under MIT and Apache 2.0.
+See the LICENSE file for details.
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..2875c41
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,223 @@
+//! Progress Management Library
+//!
+//! This library provides flexible progress management functionality, supporting multi-level progress display and custom renderers.
+//!
+//! # Quick Start
+//!
+//! The following is a simple usage example demonstrating how to create a progress center, bind a renderer, and update progress for multiple concurrent tasks:
+//!
+//! ```rust
+//! use just_progress::progress;
+//! use just_progress::renderer::ProgressSimpleRenderer;
+//! use tokio::time::{sleep, Duration};
+//! use tokio::join;
+//!
+//! #[tokio::main]
+//! async fn main() {
+//!     // Initialize the progress center
+//!     let center = progress::init();
+//!     // Create a renderer and enable subprogress display
+//!     let renderer = ProgressSimpleRenderer::new().with_subprogress(true);
+//!     // Bind the renderer callback function
+//!     let bind = progress::bind(center, move |name, state| renderer.update(name, state));
+//!
+//!     // Concurrently execute progress binding and business logic
+//!     join!(bind, proc());
+//! }
+//!
+//! async fn proc() {
+//!     println!("Starting package download!");
+//!     sleep(Duration::from_millis(500)).await;
+//!
+//!     // Define multiple concurrent download tasks
+//!     let download_task = async {
+//!         for i in 1..21 {
+//!             sleep(Duration::from_millis(50)).await;
+//!             progress::update_progress("Download/Data", i as f32 * 0.05);
+//!         }
+//!     };
+//!
+//!     let extract_task = async {
+//!         for i in 1..11 {
+//!             sleep(Duration::from_millis(100)).await;
+//!             progress::update_progress("Download/Extract", i as f32 * 0.1);
+//!         }
+//!     };
+//!
+//!     let verify_sha256_task = async {
+//!         for i in 1..6 {
+//!             sleep(Duration::from_millis(300)).await;
+//!             progress::update_progress("Download/Verify/SHA256", i as f32 * 0.2);
+//!         }
+//!     };
+//!
+//!     let verify_md5_task = async {
+//!         for i in 1..6 {
+//!             sleep(Duration::from_millis(100)).await;
+//!             progress::update_progress("Download/Verify/MD5", i as f32 * 0.2);
+//!         }
+//!     };
+//!
+//!     let verify_blake3_task = async {
+//!         for i in 1..6 {
+//!             sleep(Duration::from_millis(500)).await;
+//!             progress::update_progress("Download/Verify/Blake3", i as f32 * 0.2);
+//!         }
+//!     };
+//!
+//!     // Concurrently execute all download tasks
+//!     join!(
+//!         download_task,
+//!         extract_task,
+//!         verify_sha256_task,
+//!         verify_blake3_task,
+//!         verify_md5_task
+//!     );
+//!
+//!     sleep(Duration::from_millis(500)).await;
+//!     progress::clear_all(); // Clear all progress after download completes
+//!     println!("Package download complete!");
+//!
+//!     progress::close(); // Close the progress channel, ending the program
+//! }
+//! ```
+//!
+
+/// Progress Module
+///
+/// Provides core functionality for progress management, including progress center initialization,
+/// status updates, and callback binding.
+///
+/// # Usage
+///
+/// 1. Initialize the progress center:
+/// ```rust
+/// # use just_progress::progress;
+/// let progress_center = progress::init();
+/// ```
+///
+/// 2. Bind a renderer callback:
+/// ```rust
+/// # use just_progress::progress;
+/// # use just_progress::renderer::ProgressSimpleRenderer;
+/// let center = progress::init();
+/// let renderer = ProgressSimpleRenderer::new().with_subprogress(true);
+/// let bind = progress::bind(center, move |name, state| renderer.update(name, state));
+/// // Run `bind` and business logic in an async context
+/// ```
+///
+/// 3. Update progress status:
+/// ```rust
+/// # use just_progress::progress::{self, ProgressInfo};
+/// // Update progress value
+/// progress::update_progress("download/file1", 0.5);
+///
+/// // Update status information
+/// progress::update_info("download/file1", ProgressInfo::Info("Downloading..."));
+///
+/// // Update both progress and status simultaneously
+/// progress::update("download/file1", 0.75, ProgressInfo::Warning("Slow network"));
+///
+/// // Mark as complete
+/// // Equivalent to progress::update_progress("download/file1", 1.0);
+/// progress::complete("download/file1");
+///
+/// // Clear all progress items
+/// progress::clear_all();
+///
+/// // Close the progress channel
+/// progress::close();
+/// ```
+///
+/// # Special Flags
+///
+/// The module uses two special flags internally to control the flow:
+/// - `_clear`: Clears all progress items
+/// - `_close`: Closes the binding channel, stopping callbacks
+///
+/// # Asynchronous Binding
+///
+/// The `bind` function creates an asynchronous Future that listens for progress changes and invokes the callback.
+/// The callback receives the progress name and state, making it suitable for use with renderers.
+///
+/// # Hierarchical Progress
+///
+/// Progress names can use slashes (`/`) to represent hierarchical relationships, e.g., `"parent/child"`.
+/// Renderers can leverage this structure to display indentation or calculate the average progress of parent tasks.
+///
+/// # Notes
+///
+/// - `init()` must be called before using any other functions.
+/// - The Future returned by `bind()` needs to be polled or awaited for callbacks to execute.
+/// - `clear_all()` sends a clear signal but does not immediately clear messages in the channel.
+/// - `close()` stops all `bind()` calls; progress updates are no longer possible afterward.
+///
+pub mod progress;
+
+/// Renderer Module
+///
+/// Provides the `ProgressSimpleRenderer` for displaying progress bars and status information.
+///
+/// # Usage
+///
+/// 1. Create a renderer instance:
+/// ```rust
+/// # use just_progress::renderer::ProgressSimpleRenderer;
+/// let renderer = ProgressSimpleRenderer::new();
+/// ```
+///
+/// 2. Configure the renderer (optional):
+/// ```rust
+/// # use just_progress::renderer::ProgressSimpleRenderer;
+/// # use just_progress::renderer::RendererSortingRule;
+/// let renderer = ProgressSimpleRenderer::new()
+///     .with_subprogress(true)                              // Enable subprogress
+///     .with_auto_remove_completed(true)                    // Automatically remove completed items
+///     .with_sorting(RendererSortingRule::AlphabeticalAsc); // Sort alphabetically ascending
+/// ```
+///
+/// 3. Trigger rendering:
+/// ```rust
+/// # use just_progress::renderer::ProgressSimpleRenderer;
+/// # use just_progress::renderer::RendererSortingRule;
+/// # use just_progress::progress::{ProgressState, ProgressInfo};
+/// # let renderer = ProgressSimpleRenderer::new();
+/// renderer.render_all();
+/// ```
+///
+/// # Subprogress
+///
+/// When `subprogress` is enabled, progress names can be separated by slashes (`/`) to represent hierarchical relationships:
+/// - `"parent"` - Top-level progress
+/// - `"parent/child"` - Subprogress, automatically indented when displayed
+/// - `"parent/child/grandchild"` - Deeper level progress
+///
+/// If a parent node does not have a directly corresponding progress state, the renderer will automatically calculate the average progress of its child nodes as the display value.
+///
+/// # Theme
+///
+/// Customize the rendering style via the `RendererTheme` struct:
+/// ```rust
+/// use just_progress::renderer::{RendererTheme, ProgressSimpleRenderer};
+/// let theme = RendererTheme {
+///  layout: "{name},{progress},{percent}",
+///  show_state: false,
+///  progress_content_len: 30,
+///  progress_filled_char: "█",
+///  progress_empty_char: "░",
+///  ..RendererTheme::default()
+/// };
+/// let renderer = ProgressSimpleRenderer::new().with_theme(theme);
+/// ```
+///
+/// # Layout
+///
+/// The `layout` field uses a comma-separated template string, supporting the following placeholders:
+/// - `{name}`: Progress name (supports indentation)
+/// - `{state}`: Status information (INFO/WARN/ERROR)
+/// - `{progress}`: Progress bar
+/// - `{percent}`: Percentage
+///
+/// Example: `"{name},{state},{progress},{percent}"`
+///
+pub mod renderer;
diff --git a/src/progress.rs b/src/progress.rs
new file mode 100644
index 0000000..a5509ef
--- /dev/null
+++ b/src/progress.rs
@@ -0,0 +1,200 @@
+use std::{collections::HashMap, fmt::Display, sync::OnceLock};
+use tokio::sync::watch;
+
+pub static PROGRESS_CENTER: OnceLock<ProgressCenter> = OnceLock::new();
+
+const SPECIAL_FLAG_CLEAR: &str = "_clear";
+const SPECIAL_FLAG_CLOSE: &str = "_close";
+
+#[derive(Debug)]
+pub struct ProgressCenter {
+    tx: watch::Sender<HashMap<String, ProgressState>>,
+    rx: watch::Receiver<HashMap<String, ProgressState>>,
+}
+
+/// Initialize `ProgressCenter` early in the program
+///
+/// ``` rust
+/// use just_progress::progress;
+///
+/// fn main() {
+///     // Initialize
+///     let progress_center = progress::init();
+/// }
+/// ```
+pub fn init() -> &'static ProgressCenter {
+    let (tx, rx) = watch::channel::<HashMap<String, ProgressState>>(HashMap::new());
+    PROGRESS_CENTER.get_or_init(|| ProgressCenter { tx, rx })
+}
+
+/// Bind a callback to ProgressCenter and create a Future for receiving and rendering messages
+///
+///
+/// ```rust
+/// use just_progress::progress;
+///
+/// #[tokio::main]
+/// async fn main() {
+///     // Initialize
+///     let progress_center = progress::init();
+///     let bind_future = progress::bind(progress_center, |name, state| {
+///        println!("Update progress `{}` state to `{}`", name, state);
+///     });
+/// }
+/// ```
+pub fn bind<F>(
+    center: &'static ProgressCenter,
+    mut callback: F,
+) -> impl std::future::Future<Output = ()> + Send
+where
+    F: FnMut(String, ProgressState) + Send + 'static,
+{
+    let mut rx = center.rx.clone();
+    async move {
+        while rx.changed().await.is_ok() {
+            let state = rx.borrow().clone();
+
+            // If it's a close flag, break
+            if let Some(_) = state.get(SPECIAL_FLAG_CLOSE) {
+                break;
+            }
+            // Clear flag
+            if let Some(_) = state.get(SPECIAL_FLAG_CLEAR) {
+                // Send all known names + progress 0 + EmptyState
+                for (name, _) in state.iter().filter(|(k, _)| *k != SPECIAL_FLAG_CLEAR) {
+                    callback(
+                        name.clone(),
+                        ProgressState {
+                            progress: 0.0,
+                            info: ProgressInfo::Empty,
+                        },
+                    );
+                }
+                // Clear the entire HashMap
+                let _ = center.tx.send(HashMap::new());
+            } else {
+                for (name, progress_state) in state {
+                    callback(name, progress_state);
+                }
+            }
+        }
+    }
+}
+
+#[derive(Debug, Default, Clone, Copy)]
+pub struct ProgressState {
+    pub(crate) progress: f32,
+    pub(crate) info: ProgressInfo,
+}
+
+impl ProgressState {
+    /// Get the progress value (0.0 to 1.0)
+    pub fn progress(&self) -> f32 {
+        self.progress
+    }
+
+    /// Get the progress info
+    pub fn info(&self) -> ProgressInfo {
+        self.info
+    }
+}
+
+impl Display for ProgressState {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let space = if !matches!(self.info, ProgressInfo::Empty) {
+            " "
+        } else {
+            ""
+        };
+        write!(f, "{}{}({:.1}%)", self.info, space, self.progress * 100.0)
+    }
+}
+
+#[derive(Debug, Default, Clone, Copy)]
+pub enum ProgressInfo {
+    #[default]
+    Empty,
+    Info(&'static str),
+    Warning(&'static str),
+    Error(&'static str),
+}
+
+impl Display for ProgressInfo {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ProgressInfo::Empty => write!(f, ""),
+            ProgressInfo::Info(msg) => write!(f, "Info: `{}`", msg),
+            ProgressInfo::Warning(msg) => write!(f, "Warning: `{}`", msg),
+            ProgressInfo::Error(msg) => write!(f, "Error: `{}`", msg),
+        }
+    }
+}
+
+/// Complete an item
+///
+/// Set an item's progress to 100% so it disappears from progress rendering
+pub fn complete(name: &str) {
+    update_progress(name, 1.);
+}
+
+/// Clear all
+///
+/// Send a message to clear all items, ensuring no progress remains
+pub fn clear_all() {
+    update(SPECIAL_FLAG_CLEAR, 0., ProgressInfo::Empty);
+}
+
+/// Close the channel
+///
+/// Send a close message to stop bind() from running
+pub fn close() {
+    update(SPECIAL_FLAG_CLOSE, 0., ProgressInfo::Empty);
+}
+
+/// Update
+///
+/// Update a progress item's information
+pub fn update(name: &str, progress: f32, info: ProgressInfo) {
+    let Some(center) = PROGRESS_CENTER.get() else {
+        return;
+    };
+    let mut state = center.tx.borrow().clone();
+    state.insert(name.to_string(), ProgressState { progress, info });
+    let _ = center.tx.send(state);
+}
+
+/// Update progress
+///
+/// Modify a progress item's value
+pub fn update_progress(name: &str, progress: f32) {
+    let Some(center) = PROGRESS_CENTER.get() else {
+        return;
+    };
+    let mut state = center.tx.borrow().clone();
+    let entry = state
+        .entry(name.to_string())
+        .or_insert_with(|| ProgressState {
+            progress: 0.0,
+            info: ProgressInfo::default(),
+        });
+    entry.progress = progress;
+    let _ = center.tx.send(state);
+}
+
+/// Update info
+///
+/// Modify a progress item's status information
+pub fn update_info(name: &str, info: ProgressInfo) {
+    let Some(center) = PROGRESS_CENTER.get() else {
+        return;
+    };
+    let mut state = center.tx.borrow().clone();
+    let entry = state
+        .entry(name.to_string())
+        .or_insert_with(|| ProgressState {
+            progress: 0.0,
+            info: ProgressInfo::default(),
+        });
+    entry.info = info;
+    let _ = center.tx.send(state);
+}
diff --git a/src/renderer.rs b/src/renderer.rs
new file mode 100644
index 0000000..ccd083b
--- /dev/null
+++ b/src/renderer.rs
@@ -0,0 +1,854 @@
+use crate::progress::ProgressInfo;
+use crate::progress::ProgressState;
+use std::collections::HashMap;
+use std::io::{self, Write};
+use std::sync::{Arc, Mutex};
+
+pub struct ProgressSimpleRenderer<'a> {
+    /// Use sub-progress (split by "/", indent by level)
+    /// If no relevant parent node exists, show parent progress as overall percentage of child progress
+    pub subprogress: bool,
+
+    /// Sorting rule
+    pub sorting: RendererSortingRule,
+
+    /// Theme
+    pub theme: RendererTheme<'a>,
+
+    /// Whether to automatically remove completed (100%) progress items
+    pub auto_remove_completed: bool,
+
+    /// Internal state storage
+    states: Arc<Mutex<HashMap<String, ProgressState>>>,
+
+    /// Number of lines rendered last time
+    last_line_count: Arc<Mutex<usize>>,
+}
+
+impl<'a> ProgressSimpleRenderer<'a> {
+    /// Create a new renderer
+    pub fn new() -> Self {
+        Self {
+            subprogress: false,
+            sorting: RendererSortingRule::Append,
+            theme: RendererTheme::default(),
+            auto_remove_completed: true,
+            states: Arc::new(Mutex::new(HashMap::new())),
+            last_line_count: Arc::new(Mutex::new(0)),
+        }
+    }
+
+    /// Set whether to use sub-progress
+    pub fn with_subprogress(mut self, subprogress: bool) -> Self {
+        self.subprogress = subprogress;
+        self
+    }
+
+    /// Set sorting rule
+    pub fn with_sorting(mut self, sorting: RendererSortingRule) -> Self {
+        self.sorting = sorting;
+        self
+    }
+
+    /// Set theme
+    pub fn with_theme(mut self, theme: RendererTheme<'a>) -> Self {
+        self.theme = theme;
+        self
+    }
+
+    /// Set whether to automatically remove completed (100%) progress items
+    pub fn with_auto_remove_completed(mut self, auto_remove: bool) -> Self {
+        self.auto_remove_completed = auto_remove;
+        self
+    }
+
+    /// Update progress state and render
+    pub fn update(&self, name: String, state: ProgressState) {
+        {
+            let mut states = self.states.lock().unwrap();
+
+            if self.auto_remove_completed && state.progress() >= 1.0 {
+                states.remove(&name);
+            } else {
+                states.insert(name.clone(), state);
+            }
+        }
+
+        // Render all states
+        self.render_all();
+    }
+
+    /// Clear the previously rendered content in the terminal
+    fn clear_previous_output(&self) {
+        let line_count = *self.last_line_count.lock().unwrap();
+        if line_count > 0 {
+            print!("\x1B[{}A\x1B[0J", line_count);
+        }
+    }
+
+    /// Save the number of lines rendered this time
+    fn save_line_count(&self, count: usize) {
+        let mut last_line_count = self.last_line_count.lock().unwrap();
+        *last_line_count = count;
+    }
+
+    /// Render all progress states
+    pub fn render_all(&self) {
+        let states = self.states.lock().unwrap();
+
+        if states.is_empty() {
+            self.clear_previous_output();
+            self.save_line_count(0);
+            return;
+        }
+
+        // Collect all progress items
+        let mut items: Vec<ProgressItem> = Vec::new();
+
+        for (name, state) in states.iter() {
+            // If `auto_remove_completed` is enabled, skip 100% progress items
+            if self.auto_remove_completed && state.progress() >= 1.0 {
+                continue;
+            }
+
+            items.push(ProgressItem {
+                name: name.clone(),
+                progress: state.progress(),
+                info: state.info(),
+                depth: 0,
+                is_parent: false,
+            });
+        }
+
+        // If `subprogress` is enabled, compute hierarchy
+        if self.subprogress {
+            self.process_subprogress(&mut items);
+        }
+
+        // Sort
+        self.sort_items(&mut items);
+
+        // Render and save line count
+        let line_count = self.render_items(&items);
+        self.save_line_count(line_count);
+    }
+
+    /// Clear all progress states
+    pub fn clear(&self) {
+        // Clear previous output
+        self.clear_previous_output();
+
+        let mut states = self.states.lock().unwrap();
+        states.clear();
+
+        // Reset line count
+        self.save_line_count(0);
+    }
+
+    /// Process sub-progress, compute levels and indentation
+    fn process_subprogress(&self, items: &mut Vec<ProgressItem>) {
+        // Find parent nodes
+        let mut parent_items: Vec<String> = Vec::new();
+
+        for item in items.iter() {
+            let parts: Vec<&str> = item.name.split('/').collect();
+            if parts.len() > 1 {
+                // Build parent node path
+                for i in 1..parts.len() {
+                    let parent_path = parts[0..i].join("/");
+                    if !parent_items.contains(&parent_path) {
+                        parent_items.push(parent_path);
+                    }
+                }
+            }
+        }
+
+        // Compute depth for each item
+        for item in items.iter_mut() {
+            item.depth = item.name.matches('/').count();
+        }
+
+        // Add missing parent nodes
+        for parent_path in parent_items {
+            if !items.iter().any(|item| item.name == parent_path) {
+                // Compute parent node progress
+                let child_progress: Vec<f32> = items
+                    .iter()
+                    .filter(|item| item.name.starts_with(&format!("{}/", parent_path)))
+                    .map(|item| item.progress)
+                    .collect();
+
+                let avg_progress = if !child_progress.is_empty() {
+                    child_progress.iter().sum::<f32>() / child_progress.len() as f32
+                } else {
+                    0.0
+                };
+
+                items.push(ProgressItem {
+                    name: parent_path.clone(),
+                    progress: avg_progress,
+                    info: ProgressInfo::Empty,
+                    depth: parent_path.matches('/').count(),
+                    is_parent: true,
+                });
+            }
+        }
+
+        // Mark parent nodes
+        let item_names: Vec<String> = items.iter().map(|item| item.name.clone()).collect();
+        for item in items.iter_mut() {
+            if item_names.iter().any(|other_name| {
+                other_name != &item.name && other_name.starts_with(&format!("{}/", item.name))
+            }) {
+                item.is_parent = true;
+            }
+        }
+    }
+
+    /// Sort items according to sorting rule
+    fn sort_items(&self, items: &mut Vec<ProgressItem>) {
+        if self.subprogress {
+            items.sort_by(|a, b| match self.sorting {
+                RendererSortingRule::Append => a.name.cmp(&b.name),
+                RendererSortingRule::AlphabeticalAsc => a.name.cmp(&b.name),
+                RendererSortingRule::AlphabeticalDesc => b.name.cmp(&a.name),
+            });
+        } else {
+            match self.sorting {
+                RendererSortingRule::AlphabeticalAsc => {
+                    items.sort_by(|a, b| a.name.cmp(&b.name));
+                }
+                RendererSortingRule::AlphabeticalDesc => {
+                    items.sort_by(|a, b| b.name.cmp(&a.name));
+                }
+                RendererSortingRule::Append => {}
+            }
+        }
+    }
+
+    /// Render all items, return the number of lines rendered
+    fn render_items(&self, items: &[ProgressItem]) -> usize {
+        // Compute maximum width for alignment
+        let max_name_width = items
+            .iter()
+            .map(|item| {
+                let indent = if self.subprogress {
+                    item.depth * self.theme.indent_spaces
+                } else {
+                    0
+                };
+                let display_name_len = if self.subprogress {
+                    // For sub-progress, only show the last part
+                    item.name.split('/').last().unwrap_or(&item.name).len()
+                } else {
+                    item.name.len()
+                };
+                display_name_len + indent
+            })
+            .max()
+            .unwrap_or(0);
+
+        let max_state_width = if self.theme.show_state {
+            items
+                .iter()
+                .map(|item| self.format_state(item.info).len())
+                .max()
+                .unwrap_or(0)
+        } else {
+            0
+        };
+
+        // Build complete output string
+        let mut output = String::new();
+
+        // Add clear command
+        let line_count = *self.last_line_count.lock().unwrap();
+        if line_count > 0 {
+            output.push_str(&format!("\x1B[{}A\x1B[0J", line_count));
+        }
+
+        // Add all lines
+        for item in items {
+            let line = self.format_item(item, max_name_width, max_state_width);
+            output.push_str(&line);
+            output.push('\n');
+        }
+
+        // Disable buffering, output immediately
+        let _ = io::stdout().write_all(output.as_bytes());
+        let _ = io::stdout().flush();
+
+        items.len()
+    }
+
+    /// Format a single item
+    fn format_item(
+        &self,
+        item: &ProgressItem,
+        max_name_width: usize,
+        max_state_width: usize,
+    ) -> String {
+        let mut result = String::new();
+        let layout = self.theme.layout;
+
+        // Parse layout template
+        for part in layout.split(',') {
+            match part.trim() {
+                "{name}" => {
+                    let name = self.format_name(item, max_name_width);
+                    result.push_str(&name);
+                }
+                "{state}" => {
+                    if self.theme.show_state {
+                        let state = self.format_state(item.info);
+                        if !state.is_empty() {
+                            let state = if self.theme.align {
+                                self.align_component(&state, max_state_width, false)
+                            } else {
+                                state
+                            };
+                            result.push_str(&state);
+                        }
+                    }
+                }
+                "{progress}" => {
+                    if self.theme.show_progress {
+                        let progress = self.format_progress(item.progress);
+                        if !progress.is_empty() {
+                            let progress = if self.theme.align {
+                                self.align_component(&progress, 0, false)
+                            } else {
+                                progress
+                            };
+                            result.push_str(&progress);
+                        }
+                    }
+                }
+                "{percent}" => {
+                    if self.theme.show_percent {
+                        let percent = self.format_percent(item.progress);
+                        if !percent.is_empty() {
+                            let percent = if self.theme.align {
+                                self.align_component(&percent, 0, false)
+                            } else {
+                                percent
+                            };
+                            result.push_str(&percent);
+                        }
+                    }
+                }
+                _ => {
+                    // Output as-is
+                    result.push_str(part);
+                }
+            }
+        }
+
+        result
+    }
+
+    /// Format name (including indentation)
+    fn format_name(&self, item: &ProgressItem, max_width: usize) -> String {
+        let indent = if self.subprogress {
+            " ".repeat(item.depth * self.theme.indent_spaces)
+        } else {
+            String::new()
+        };
+
+        // Only show the last part of the path
+        let display_name = if self.subprogress {
+            item.name
+                .split('/')
+                .last()
+                .unwrap_or(&item.name)
+                .to_string()
+        } else {
+            item.name.clone()
+        };
+
+        let name = format!("{}{}", indent, display_name);
+
+        if self.theme.align {
+            self.align_component(&name, max_width, true)
+        } else {
+            name
+        }
+    }
+
+    /// Format state
+    fn format_state(&self, info: ProgressInfo) -> String {
+        match info {
+            ProgressInfo::Empty => self.theme.state_empty.to_string(),
+            ProgressInfo::Info(msg) => self.theme.state_info.replace("{}", msg),
+            ProgressInfo::Warning(msg) => self.theme.state_warning.replace("{}", msg),
+            ProgressInfo::Error(msg) => self.theme.state_error.replace("{}", msg),
+        }
+    }
+
+    /// Format progress bar
+    fn format_progress(&self, progress: f32) -> String {
+        let filled_len = (progress * self.theme.progress_content_len as f32).round() as usize;
+        let empty_len = self.theme.progress_content_len - filled_len;
+
+        let filled = self.theme.progress_filled_char.repeat(filled_len);
+        let empty = self.theme.progress_empty_char.repeat(empty_len);
+
+        self.theme
+            .progress
+            .replace("{}", &format!("{}{}", filled, empty))
+    }
+
+    /// Format percentage
+    fn format_percent(&self, progress: f32) -> String {
+        let percent = progress * 100.0;
+        let formatted = format!("{:.1$}", percent, self.theme.percent_decimal_places);
+        self.theme.percent.replace("{}", &formatted)
+    }
+
+    /// Align component
+    fn align_component(
+        &self,
+        component: &str,
+        max_width: usize,
+        is_first_component: bool,
+    ) -> String {
+        let trimmed = if is_first_component {
+            // For the first component, only trim the end, not the beginning
+            component.trim_end()
+        } else {
+            component.trim()
+        };
+
+        if trimmed.is_empty() {
+            // Empty component is not aligned, return empty string
+            String::new()
+        } else {
+            let padding = max_width.saturating_sub(trimmed.len());
+            let before_padding = " ".repeat(self.theme.align_padding_before);
+            let after_padding = " ".repeat(self.theme.align_padding_after);
+            format!(
+                "{}{}{}{}",
+                before_padding,
+                trimmed,
+                " ".repeat(padding),
+                after_padding
+            )
+        }
+    }
+}
+
+struct ProgressItem {
+    name: String,
+    progress: f32,
+    info: ProgressInfo,
+    depth: usize,
+    is_parent: bool,
+}
+
+pub enum RendererSortingRule {
+    /// Append, newly added progress items are always at the end
+    Append,
+
+    /// Sort by name in ascending alphabetical order
+    AlphabeticalAsc,
+
+    /// Sort by name in descending alphabetical order
+    AlphabeticalDesc,
+}
+
+pub struct RendererTheme<'a> {
+    /// Alignment
+    /// When enabled, ensures the first character of each component of each item is aligned
+    /// At the same time, each component will be trimmed before and after
+    pub align: bool,
+
+    /// Number of spaces before a component when aligning
+    pub align_padding_before: usize,
+
+    /// Number of spaces after a component when aligning
+    pub align_padding_after: usize,
+
+    /// Overall layout
+    pub layout: &'a str,
+
+    /// Show state (different from setting in `layout`, it affects whether this component is rendered)
+    pub show_state: bool,
+
+    /// Warning state style
+    pub state_warning: &'a str,
+
+    /// Error state style
+    pub state_error: &'a str,
+
+    /// Info state style
+    pub state_info: &'a str,
+
+    /// Empty state style
+    pub state_empty: &'a str,
+
+    /// Show progress bar (different from setting in `layout`, it affects whether this component is rendered)
+    pub show_progress: bool,
+
+    /// Progress bar style
+    pub progress: &'a str,
+
+    /// Number of content characters in the progress bar
+    pub progress_content_len: usize,
+
+    /// Character for filled part
+    pub progress_filled_char: &'a str,
+
+    /// Character for unfilled part
+    pub progress_empty_char: &'a str,
+
+    /// Show percentage (different from setting in `layout`, it affects whether this component is rendered)
+    pub show_percent: bool,
+
+    /// Percentage style
+    pub percent: &'a str,
+
+    /// Number of decimal places for percentage
+    pub percent_decimal_places: usize,
+
+    /// Number of spaces per indentation level
+    pub indent_spaces: usize,
+}
+
+impl<'a> Default for RendererTheme<'a> {
+    fn default() -> Self {
+        Self {
+            align: true,
+            layout: "{name},{state},{progress},{percent}",
+            show_state: true,
+            state_warning: "  WARN: {}",
+            state_error: "   ERR: {}",
+            state_info: "  INFO: {}",
+            state_empty: "",
+            show_progress: true,
+            progress: "  [{}]",
+            progress_content_len: 20,
+            progress_filled_char: "#",
+            progress_empty_char: " ",
+            show_percent: true,
+            percent: "  ({}%)",
+            percent_decimal_places: 1,
+            indent_spaces: 2,
+            align_padding_before: 0,
+            align_padding_after: 1,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::progress::{ProgressInfo, ProgressState};
+
+    #[test]
+    fn test_renderer_update() {
+        let renderer = ProgressSimpleRenderer::new();
+
+        // Test update and rendering
+        renderer.update(
+            "task1".to_string(),
+            ProgressState {
+                progress: 0.5,
+                info: ProgressInfo::Info("Processing"),
+            },
+        );
+
+        renderer.update(
+            "task2".to_string(),
+            ProgressState {
+                progress: 0.75,
+                info: ProgressInfo::Warning("Almost done"),
+            },
+        );
+
+        // Call render_all to render
+        renderer.render_all();
+    }
+
+    #[test]
+    fn test_renderer_with_subprogress() {
+        let renderer = ProgressSimpleRenderer::new().with_subprogress(true);
+
+        renderer.update(
+            "download/file1".to_string(),
+            ProgressState {
+                progress: 0.5,
+                info: ProgressInfo::Info("Downloading file1"),
+            },
+        );
+
+        renderer.update(
+            "download/file2".to_string(),
+            ProgressState {
+                progress: 0.75,
+                info: ProgressInfo::Info("Downloading file2"),
+            },
+        );
+
+        renderer.render_all();
+    }
+
+    #[test]
+    fn test_auto_remove_completed() {
+        let renderer = ProgressSimpleRenderer::new().with_auto_remove_completed(true);
+
+        // Add an unfinished task
+        renderer.update(
+            "task1".to_string(),
+            ProgressState {
+                progress: 0.5,
+                info: ProgressInfo::Info("Processing"),
+            },
+        );
+
+        // Add a completed task
+        renderer.update(
+            "task2".to_string(),
+            ProgressState {
+                progress: 1.0,
+                info: ProgressInfo::Info("Completed"),
+            },
+        );
+
+        // Render, should only show task1
+        renderer.render_all();
+
+        // Check internal state, task2 should be removed
+        {
+            let states = renderer.states.lock().unwrap();
+            assert!(states.contains_key("task1"));
+            assert!(!states.contains_key("task2"));
+        }
+    }
+
+    #[test]
+    fn test_auto_remove_completed_disabled() {
+        let renderer = ProgressSimpleRenderer::new().with_auto_remove_completed(false);
+
+        // Add a completed task
+        renderer.update(
+            "task1".to_string(),
+            ProgressState {
+                progress: 1.0,
+                info: ProgressInfo::Info("Completed"),
+            },
+        );
+
+        // Check internal state, task1 should still exist
+        {
+            let states = renderer.states.lock().unwrap();
+            assert!(states.contains_key("task1"));
+        }
+    }
+    #[test]
+    fn test_indent_spaces_config() {
+        // Create custom theme, set indent spaces to 4
+        let mut theme = RendererTheme::default();
+        theme.indent_spaces = 4;
+
+        let renderer = ProgressSimpleRenderer::new()
+            .with_subprogress(true)
+            .with_theme(theme);
+
+        // Add multi-level progress
+        renderer.update(
+            "parent".to_string(),
+            ProgressState {
+                progress: 0.5,
+                info: ProgressInfo::Info("Parent task"),
+            },
+        );
+
+        renderer.update(
+            "parent/child".to_string(),
+            ProgressState {
+                progress: 0.75,
+                info: ProgressInfo::Info("Child task"),
+            },
+        );
+
+        renderer.update(
+            "parent/child/grandchild".to_string(),
+            ProgressState {
+                progress: 0.9,
+                info: ProgressInfo::Info("Grandchild task"),
+            },
+        );
+
+        // Render and check
+        renderer.render_all();
+
+        // Check internal state
+        {
+            let states = renderer.states.lock().unwrap();
+            assert!(states.contains_key("parent"));
+            assert!(states.contains_key("parent/child"));
+            assert!(states.contains_key("parent/child/grandchild"));
+        }
+    }
+
+    #[test]
+    fn test_align_padding_config() {
+        // Create custom theme, set alignment padding before and after
+        let mut theme = RendererTheme::default();
+        theme.align = true;
+        theme.align_padding_before = 2;
+        theme.align_padding_after = 3;
+
+        let renderer = ProgressSimpleRenderer::new().with_theme(theme);
+
+        // Add test data
+        renderer.update(
+            "task1".to_string(),
+            ProgressState {
+                progress: 0.5,
+                info: ProgressInfo::Info("Processing"),
+            },
+        );
+
+        renderer.update(
+            "task2".to_string(),
+            ProgressState {
+                progress: 0.75,
+                info: ProgressInfo::Warning("Almost done"),
+            },
+        );
+
+        // Render and check
+        renderer.render_all();
+
+        // Check internal state
+        {
+            let states = renderer.states.lock().unwrap();
+            assert!(states.contains_key("task1"));
+            assert!(states.contains_key("task2"));
+        }
+    }
+
+    #[test]
+    fn test_align_padding_with_empty_state() {
+        // Create custom theme, set alignment padding before and after
+        let mut theme = RendererTheme::default();
+        theme.align = true;
+        theme.align_padding_before = 1;
+        theme.align_padding_after = 2;
+        theme.show_state = true;
+
+        let renderer = ProgressSimpleRenderer::new().with_theme(theme);
+
+        // Add test data - empty state
+        renderer.update(
+            "task1".to_string(),
+            ProgressState {
+                progress: 0.5,
+                info: ProgressInfo::Empty,
+            },
+        );
+
+        // Add test data - with state
+        renderer.update(
+            "task2".to_string(),
+            ProgressState {
+                progress: 0.75,
+                info: ProgressInfo::Info("Processing"),
+            },
+        );
+
+        // Render and check
+        renderer.render_all();
+
+        // Check internal state
+        {
+            let states = renderer.states.lock().unwrap();
+            assert!(states.contains_key("task1"));
+            assert!(states.contains_key("task2"));
+        }
+    }
+
+    #[test]
+    fn test_align_first_component_no_trim_start() {
+        let renderer = ProgressSimpleRenderer::new();
+
+        // Test that the first component does not trim the start when aligning
+        let component = "  test  ";
+        let aligned = renderer.align_component(component, 10, true);
+
+        // The first component should only trim the end, not the start
+        assert!(aligned.starts_with("  test"));
+        assert!(!aligned.starts_with("test"));
+    }
+
+    #[test]
+    fn test_align_non_first_component_trim_both() {
+        let renderer = ProgressSimpleRenderer::new();
+
+        // Test that non-first components trim both sides when aligning
+        let component = "  test  ";
+        let aligned = renderer.align_component(component, 10, false);
+
+        // Non-first components should trim both sides
+        assert!(aligned.starts_with("test"));
+        assert!(!aligned.starts_with("  test"));
+    }
+
+    #[test]
+    fn test_format_progress() {
+        let renderer = ProgressSimpleRenderer::new();
+        let progress = renderer.format_progress(0.5);
+        assert!(progress.contains("["));
+        assert!(progress.contains("]"));
+    }
+
+    #[test]
+    fn test_format_percent() {
+        let renderer = ProgressSimpleRenderer::new();
+        let percent = renderer.format_percent(0.5);
+        assert!(percent.contains("50"));
+        assert!(percent.contains("%"));
+    }
+
+    #[test]
+    fn test_subprogress_indentation() {
+        let renderer = ProgressSimpleRenderer::new().with_subprogress(true);
+
+        // Add parent and child nodes
+        renderer.update(
+            "progress".to_string(),
+            ProgressState {
+                progress: 0.95,
+                info: ProgressInfo::Info("Processing"),
+            },
+        );
+
+        renderer.update(
+            "progress/2".to_string(),
+            ProgressState {
+                progress: 0.95,
+                info: ProgressInfo::Info("Step 2"),
+            },
+        );
+
+        renderer.update(
+            "progress/3".to_string(),
+            ProgressState {
+                progress: 0.8,
+                info: ProgressInfo::Info("Step 3"),
+            },
+        );
+
+        // Render and check output format
+        renderer.render_all();
+
+        // Check internal state
+        {
+            let states = renderer.states.lock().unwrap();
+            assert!(states.contains_key("progress"));
+            assert!(states.contains_key("progress/2"));
+            assert!(states.contains_key("progress/3"));
+        }
+    }
+}