Visual Renamer Pro (C++ / GTK)
A high-performance, multi-threaded GUI tool for batch renaming images on Linux. Built with C++17 and gtkmm-3.0.

Features
- ⚡ Blazing Fast: Uses C++ threads to load and process thumbnails without freezing the UI.
- 🖼️ Visual Reordering: Drag and drop images to rearrange their sequence before renaming.
- 🔢 Natural Sorting: Correctly sorts
image_1.jpg, image_2.jpg, image_10.jpg automatically.
- 📂 Drag-and-Drop Support: Drag folders directly from your file manager into the window.
- 📐 Resizable Thumbnails: Switch between Small (100px), Medium (250px), and Large (500px) views instantly.
- 🛡️ Safe Renaming: Uses a two-step rename process to prevent file collisions.
Prerequisites
You need a C++ compiler and the GTKmm development libraries.
Debian / Ubuntu / Mint:
```bash
sudo apt-get update
sudo apt-get install build-essential libgtkmm-3.0-dev pkg-config