Rust Chat Application

A modern TCP chat client with GUI built in Rust using the egui framework.

Example: Connection and Chat Interface

Features ✨

• GUI Interface with egui/eframe
• TCP Networking with threaded I/O
• Connection Management
  • IP/Port configuration
  • Error handling
  • Back button for connection reset
• Real-Time Messaging
  • Message history with auto-scroll
  • Enter-to-send functionality
• Modular Architecture
  • Isolated network layer
  • State-driven UI components

Prerequisites 📦

• Rust 1.72+
• Cargo package manager
• TCP server (for testing: nc -l 127.0.0.1 8080)

Installation ⚙️

git clone https://github.com/yourusername/rust-chat-app.git
cd rust-chat-app
cargo run --release 

Usage 🖥️

Connect to Server

• Enter server IP (default: 127.0.0.1)
• Enter port (default: 8080)
• Click Connect

Chat Interface

• Type messages in bottom input
• Send with Enter or Send button
• History auto-updates

Disconnect

• Click Back to reset connection
• Returns to connection screen

Architecture Diagram 🗺️

%%{init: {'theme': 'dark'}}%%
flowchart TD
    subgraph UI Layer
        A[Connect Screen] -->|IP/Port| B[Chat Screen]
        B -->|Back Button| A
        B --> C[Settings Panel]
    end

    subgraph App Core
        B --> D[State Manager]
        D -->|Update| E[Network Handler]
        E -->|Threads| F[TCP Stream]
    end

    subgraph Server
        F --> G[Remote Server]
        G -->|Response| F
    end

    style A fill:#4CAF50,stroke:#333
    style B fill:#2196F3,stroke:#333
    style D fill:#9C27B0,stroke:#333
    style E fill:#FF9800,stroke:#333

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Key:

• 🟢 Green: Connection interface
• 🔵 Blue: Chat interface
• 🟣 Purple: State controller
• 🟠 Orange: Network module