Waybar Configuration - Lambda Calculus Theme

A beautiful Waybar configuration for Hyprland with lambda calculus inspired design and Gruvbox Dark color scheme.

中文文档

Screenshots

• Bottom bar with custom workspace indicators
• MPRIS media player with audio visualizer
• System information with lambda symbols
• Custom screenshot and power menus

Features

🎨 Design

• Theme: Gruvbox Dark color palette
• Style: Lambda calculus inspired symbols (λ, τ, Σ, ∅, etc.)
• Font: JetBrains Mono Nerd Font (recommended)
• Position: Bottom bar

📊 Components

Left Side:

• Custom workspace indicators (λ1 - λ10)
• MPRIS media player (μ/π symbols)
• Real-time audio visualizer (cava)

Center:

• Current focused window title

Right Side:

• Audio volume (α)
• Network status (φ/η/χ)
• CPU usage (ψ)
• Memory usage (ω)
• Battery status (β)
• Clock (τ)
• Screenshot tool (Σ)
• System tray
• Power menu (∅)

⚡ Functionality

Screenshot (Σ):

• Left click: Quick area selection (fastest workflow)
• Right click: Full menu (Full screen / Select area / Current window)
• Screenshots are saved as PNG format
• Filename format: Screenshot_YYYYMMDD_HHMMSS.png
• Automatically saved to: ~/Pictures/Screenshots/
• Automatically copied to clipboard (use Ctrl+V to paste)

Media Player (MPRIS):

• Click: Play/pause
• Scroll up: Next track
• Scroll down: Previous track
• Shows inspirational message when no media is playing

System Components:

• Click on any component to open relevant configuration tool

Dependencies

Required

# Core
waybar playerctl hyprctl

# Screenshot
grim slurp rofi wl-clipboard

# Audio visualizer
cava

# System tools
pavucontrol nmtui htop jq notify-send

Font

# Arch Linux
sudo pacman -S ttf-jetbrains-mono-nerd

# Or install from: https://www.nerdfonts.com/

Installation

1. Backup your existing waybar config:

mv ~/.config/waybar ~/.config/waybar.backup

2. Copy this configuration:

cp -r /path/to/this/waybar ~/.config/

3. Install dependencies:

sudo pacman -S waybar playerctl grim slurp rofi cava \
               wl-clipboard pavucontrol nmtui htop jq \
               libnotify ttf-jetbrains-mono-nerd

4. Restart Waybar:

killall waybar && waybar &

File Structure

~/.config/waybar/
├── config                    # Main configuration
├── style.css                 # CSS styling
├── cava-waybar.config        # Audio visualizer config
└── scripts/
    ├── cava-output.sh        # Audio visualizer output
    ├── powermenu.sh          # Power menu
    ├── powermenu.rasi        # Power menu theme
    ├── screenshot.sh         # Screenshot menu
    ├── screenshot-area.sh    # Quick area screenshot
    ├── screenshot-menu.rasi  # Screenshot menu theme
    └── workspace-button.sh   # Workspace indicators

Customization

Change Colors

Edit style.css to modify Gruvbox colors:

• Background: #282828
• Foreground: #ebdbb2
• Accent colors: #98971a (green), #d79921 (yellow), #458588 (blue)

Adjust Components

Edit config file:

• Modify modules-left, modules-center, modules-right to rearrange components
• Change symbols in format strings
• Adjust update intervals

Lambda Symbols Used

• λ (lambda) - Workspace numbers
• τ (tau) - Clock
• Σ (Sigma) - Screenshot
• ∅ (emptyset) - Power
• μ (mu) - Media playing
• π (pi) - Media paused
• ε (epsilon) - Media stopped (shows: "May your life bloom like a flower")
• α (alpha) - Audio volume
• φ (phi) - WiFi
• η (eta) - Ethernet
• χ (chi) - Network disconnected
• ψ (psi) - CPU usage
• ω (omega) - Memory usage
• β (beta) - Battery (β⁺ charging, β∞ plugged)

Troubleshooting

Symbols not displaying correctly:

• Install JetBrains Mono Nerd Font
• Restart Waybar after font installation

Screenshot not working:

• Install grim, slurp, and wl-clipboard
• For window screenshots, install jq
• Check notification: "Screenshot saved and copied to clipboard"

Audio visualizer not showing:

• Install cava
• Check PipeWire is running

Media player not working:

• Install playerctl
• Ensure your media player supports MPRIS

Credits

• Theme: Gruvbox Dark by morhetz
• Inspired by: Lambda calculus and functional programming
• Built for: Hyprland on Arch Linux

License

MIT License - Feel free to use and modify