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Bubble shape changes from circle to rounded rectangle showing two stacked horizontal bars — top: session (5h), bottom: weekly (7d) — each followed by a right-aligned "X% · Yh Zm" string (percent + countdown). Bubble surface: - BubbleConfig/BubbleState carry session+weekly percents and texts (mirrors PanelData); update_percentage renamed to update_data - Aspect ratio fixed at 3:1; size_logical is interpreted as width with height derived. Clamp is 120..360 (was 32..128 square) - Hit-testing uses a rounded-rect predicate (point_in_rounded_rect) shared with the alpha mask so paint and click area can't drift - New rgb_to_dib helper for direct DIB writes — BI_RGB 32bpp stores B,G,R,X in memory which is the opposite of COLORREF. The previous code wrote COLORREF-packed u32 straight into DIB pixels; invisible while every color was gray, but the new orange/red bar fills would have rendered blue - bar_h capped at h/4 (range 6..18) so the text font derived from it stays small enough that "100% · 23h" fits in right_text_w (= 6×bar_h, min 56); the first iteration had a 19-px font in a 60-px column and ellipsized away the countdown - Initial session_text/weekly_text seeded with "…" so the bubble has visible feedback during the first poll instead of two empty grey tracks Compile + cleanup needed to make the port build at all: - Color::from_hex added back as an infallible wrapper around parse_hex (15 call sites in bubble.rs/panel.rs assumed the old infallible API) - Color::to_colorref → into_colorref at 5 call sites - GetModuleFileNameW added to the LibraryLoader import in bubble.rs - usage::Error gains Creds(#[from] creds::Error) so `?` works in the Anthropic and ChatGPT providers - FlattenBoxed::flatten renamed to flatten_box — the std Option::flatten was shadowing it and yielding Option<Box<T>> instead of Option<T> - PanelState marked unsafe Send (HWND has *mut c_void; state is only touched from the UI thread, Mutex is for OnceLock satisfaction) - Crate-level #![allow(dead_code)] for in-progress port API surface (creds, usage, update, os::dpi); unused pub-use re-exports removed App wiring: - propagate_to_ui now feeds both windows + their formatted texts into update_data (was a single percent)
Claude Code Usage Bubble
A floating, draggable circular bubble that shows your Claude Code and/or Codex usage on Windows — inspired by the floating "memory boost ball" UX of 360 Security and IObit Advanced SystemCare.
Drop it anywhere on screen, drag it around, snap it to a monitor edge, left-click for a panel with both your 5-hour and 7-day windows, right-click for the menu.
Acknowledgements
Inspired by CodeZeno/Claude-Code-Usage-Monitor, which solves the same "how close am I to the Claude Code limit?" problem with a horizontal taskbar widget. This project takes the UX in a different direction — a floating, draggable circular bubble that the user can place anywhere on screen — and is a clean-room implementation: the HTTP client, provider polling, credential discovery, localisation, tray rendering, and self-updater are all written from scratch against the same public APIs (Anthropic, ChatGPT, GitHub Releases).
What you get
- A circular floating bubble showing your current 5-hour Claude Code or Codex usage as a percentage and a colored progress ring
- Drag anywhere — the bubble snaps to monitor work-area edges when released
- Resize with
Ctrl + MouseWheelon the bubble (32–128 pixels) - Left-click the bubble for an expanded panel with both 5h and 7d bars plus reset countdowns
- Right-click for refresh, displayed models, update frequency, language, startup, updates, exit
- Optional system tray icons (one per enabled model)
- Auto-hide when a fullscreen app is in the foreground (games, video, presentations) — reappears when you leave fullscreen
Who this is for
Windows 10/11 users who already have Claude Code (CLI or App) installed and signed in. Codex support is optional — install and sign in to the Codex CLI, then enable Codex from the right-click Models menu.
If you use Claude Code through WSL, that is supported too. The monitor can read your Claude Code credentials from Windows or from your WSL environment.
Requirements
- Windows 10 or Windows 11
- Claude Code (CLI or App) installed and authenticated
- Optional: Codex CLI installed and authenticated, if you want Codex usage
Install
Until packaged binaries are published, build from source:
git clone https://github.com/<your-fork>/claude-code-usage-bubble
cd claude-code-usage-bubble
cargo build --release
The binary lands at target/release/claude-code-usage-bubble.exe.
Use
Run claude-code-usage-bubble.exe. The bubble appears near the bottom-right
corner of your primary monitor on first launch. Drag it where you want it,
release to snap to the nearest edge if you let go close to one.
- Left-click the bubble to open the expanded panel (5h + 7d + countdowns)
- Right-click for refresh, models, update frequency, language, "Start with Windows", updates, exit
- Drag anywhere — it floats on top of all other windows
- Ctrl + MouseWheel on the bubble to resize it
- Tray icon (if enabled): left-click toggles the bubble visibility, right-click opens the same menu
Models
Use the right-click Models menu to choose what is shown:
- Claude Code is enabled by default
- Codex can be enabled alongside Claude Code or shown by itself
When both models are shown, each gets its own bubble that you can position independently.
Diagnostics
claude-code-usage-bubble.exe --diagnose
This writes a log file to:
%TEMP%\claude-code-usage-bubble.log
Settings are saved to:
%APPDATA%\ClaudeCodeUsageBubble\settings.json
Privacy and security
What the app reads:
- Your local Claude Code OAuth credentials from
~/.claude/.credentials.json - If needed, the same credentials file inside an installed WSL distro
- If Codex is enabled, your local Codex credentials from
$CODEX_HOME/auth.jsonor~/.codex/auth.json
What the app sends over the network:
- Requests to Anthropic's Claude endpoints to read your usage
- Requests to ChatGPT's Codex usage endpoint, if Codex is enabled
- Requests to GitHub only if you use the app's update-check feature
What the app stores locally:
- Bubble position(s) per model
- Bubble size
- Polling frequency
- Language preference
- Last update check time
- Displayed model preferences
What it does not do: send credentials to any third-party server, run a
backend service, collect analytics, upload your project files, or write to
your Codex auth.json directly.
License
Apache License 2.0 — see LICENSE.