feat: Add a lot more features

- Add new system.rs module for system monitoring via D-Bus:
  - Battery status (UPower)
  - Media player controls and metadata (MPRIS)
  - WiFi/Bluetooth status (NetworkManager)
  - Keyboard layout tracking
- Add media key support (XF86 Play/Pause/Next/Prev)
- Add function keys F1-F3 for Suspend/Reboot/PowerOff
- Replace deprecated timer.rs with async system management
- Add GitHub Actions CI/CD workflows (CI + Release)
- Update dependencies and add optional networking feature

README.md

@@ -2,7 +2,6 @@
 
 [![License](https://img.shields.io/badge/license-AGPL--3.0%2B-blue.svg)](https://github.com/yourusername/rustlock/blob/main/LICENSE)
 [![Version](https://img.shields.io/badge/version-0.1.0-green.svg)](https://github.com/yourusername/rustlock/releases)
-[![Updated](https://img.shields.io/badge/updated-2026--03--07-blue.svg)](https://github.com/yourusername/rustlock/commits/main)
 
 A high-performance Wayland screen locker written in Rust, inspired by `swaylock-effects`.
 
@@ -10,26 +9,40 @@ A high-performance Wayland screen locker written in Rust, inspired by `swaylock-
 
 ## ✨ Features
 
-- ⚡ **Performance**: Written in safe Rust with minimal dependencies
+- ⚡ **Performance**: Written in safe Rust, optimized binary size (~2.4MB without networking, ~4MB with)
 - 🎨 **Visual Effects**:
   - Gaussian blur (configurable radius and passes)
   - Vignette effect (configurable base and factor)
+  - Pixelate, Swirl, and Melting effects
   - Smooth fade-in animation
 - 🔐 **Password Indicator**:
   - Circular ring with configurable radius and thickness
   - Dynamic key highlight segments that rotate with each keystroke
-  - Customizable colors (ring, inside, separator, highlight)
+  - Caps lock indicator
 - 🕐 **Information Display**:
   - Centered clock (HH:MM format)
   - Full date
   - System uptime
+- 📻 **Media & System Status** (optional):
+  - MPRIS media player integration with album art
+  - Battery percentage and charging status
+  - WiFi SSID and signal strength
+  - Bluetooth connected devices
+  - Keyboard layout indicator
+- 🔑 **Session Management**:
+  - F1: Suspend
+  - F2: Reboot  
+  - F3: Power Off
 - 📸 **Screenshot Support**:
   - Captures desktop background before locking
-  - Applies visual effects to background
-- 🔑 **Authentication**:
+  - Custom background image support
+- 🔐 **Authentication**:
   - PAM-based authentication
   - Configurable grace period (any key press within N seconds unlocks without password)
-- 📝 **Logging**: Verbose debug logs written to `~/.rustlock.log`
+- 🎯 **Customization**:
+  - Custom icons for WiFi, Bluetooth, Battery
+  - Theme presets (dark, light, nord, dracula)
+  - Configuration via config file or CLI
 
 ---
 
@@ -61,67 +74,119 @@ rustlock \
     --fade-in 0.2
 ```
 
+### Session Controls
+
+When locked, use function keys to control the system:
+- **F1**: Suspend to RAM
+- **F2**: Reboot
+- **F3**: Power Off
+
 ---
 
 ## ⚙️ Configuration
 
-Options can be provided via command line or a configuration file at `~/.config/rustlock/config.toml`. CLI arguments take precedence.
+Options can be provided via command line or a configuration file at `~/.config/rustlock/config.toml`. CLI arguments take precedence over config file, which takes precedence over theme defaults.
 
 ### Options
 
 | Option | Description |
 |--------|-------------|
+| **General** | |
 | `--screenshots` | Capture desktop background before locking |
+| `--image <PATH>` | Use custom background image instead of screenshot |
 | `--clock` | Display centered clock and date |
 | `--indicator` | Show password entry ring (default: true) |
 | `--indicator-radius <N>` | Ring radius in pixels (default: 100) |
 | `--indicator-thickness <N>` | Ring thickness in pixels (default: 7) |
+| **Effects** | |
 | `--effect-blur <R>x<P>` | Gaussian blur: radius x passes (e.g., `7x5`) |
+| `--effect-pixelate` | Pixelate effect |
+| `--effect-swirl` | Swirl distortion effect |
+| `--effect-melting` | Melting distortion effect |
 | `--effect-vignette <B>:<F>` | Vignette: base:factor (e.g., `0.5:0.5`) |
+| **Colors** | |
 | `--ring-color <RRGGBB[AA]>` | Outer ring color (hex, optional alpha) |
 | `--key-hl-color <RRGGBB[AA]>` | Key highlight segment color |
 | `--line-color <RRGGBB[AA]>` | Separator line color |
 | `--inside-color <RRGGBB[AA]>` | Inner circle color |
 | `--separator-color <RRGGBB[AA]>` | Ring separator color |
+| **Display Options** | |
+| `--show-media` | Show MPRIS media info (default: true) |
+| `--show-battery` | Show battery status (default: true) |
+| `--show-network` | Show WiFi status (default: true) |
+| `--show-bluetooth` | Show Bluetooth status (default: true) |
+| `--show-keyboard-layout` | Show keyboard layout indicator (default: true) |
+| `--show-album-art` | Show album art (default: true) |
+| **Custom Icons** | |
+| `--wifi-icon <PATH>` | Custom WiFi icon (PNG/SVG) |
+| `--bluetooth-icon <PATH>` | Custom Bluetooth icon (PNG/SVG) |
+| `--battery-icon <PATH>` | Custom battery icon (PNG/SVG) |
+| **Other** | |
 | `--grace <SECONDS>` | Grace period in seconds (default: 2) |
 | `--fade-in <SECONDS>` | Fade-in animation duration (default: 0.2) |
 | `--pam-service <NAME>` | PAM service name (default: "rustlock") |
 | `--config <PATH>` | Path to config file |
+| `--theme <NAME>` | Theme preset: dark, light, nord, dracula |
 | `--debug` | Enable debug logging |
 | `--log-file` | Write logs to `~/.rustlock.log` |
-| `--temp-screenshot` | Enable peek feature (press 'p' to temporarily show background) |
 
 ---
 
 ## 📦 Installation
 
+### Using Nix (Recommended)
+
+```bash
+nix-shell -p rustlock
+```
+
+Or with flakes:
+```bash
+nix run github:yourusername/rustlock
+```
+
+### From Source
+
 ```bash
 cargo build --release
 ```
 
 The binary will be available at `target/release/rustlock`.
 
+### Build Options
+
+- **With networking** (default): Includes reqwest for album art fetching
+  ```bash
+  cargo build --release --features networking
+  ```
+
+- **Without networking**: Smaller binary (~2.4MB)
+  ```bash
+  cargo build --release --no-default-features
+  ```
+
 ---
 
 ## ✅ Completed
 
 - [x] PAM-based authentication
 - [x] Grace period (any key unlocks within N seconds)
-- [x] Screenshot capture with blur/vignette effects
-- [x] Configuration file support (`~/.config/rustlock/config.toml`)
+- [x] Screenshot capture with blur/vignette/pixelate/swirl/melting effects
+- [x] Configuration file support (`~/.config/rustlock/config.toml`) with schema validation
 - [x] Debug logging to `~/.rustlock.log`
 - [x] Clock and date display
 - [x] Password indicator ring with rotating highlights
-
-## 🚧 TODO
-
-- [ ] Don't hardcode screen resolution (detect dynamically)
-- [ ] Add multi-monitor support (handle multiple outputs)
-- [ ] Automatically install PAM configuration file
-- [ ] Configuration file schema validation
-- [ ] Additional visual effects (pixelate, swirl, etc.)
-- [ ] Theme/profile support with presets
-- [ ] Wayland protocol stability updates
+- [x] Dynamic screen resolution detection
+- [x] Full multi-monitor support with different resolutions
+- [x] Theme/profile support with presets (dark, light, nord, dracula)
+- [x] Wayland protocol stability fixes
+- [x] Media control integration (MPRIS support with Album Art)
+- [x] Battery, WiFi, and Bluetooth status indicators
+- [x] Custom background image support
+- [x] Custom icons for status indicators
+- [x] Keyboard layout indicator
+- [x] Session management (F1-F3 keys)
+- [x] Caps lock indicator
 
 ---