Walker - A Modern Application Launcher

A fast, customizable application launcher built with GTK4 and Rust, designed for Linux desktop environments. Walker provides a clean, modern interface for launching applications, running commands, performing calculations, and more.

Features

Walker offers multiple provider types for different use cases:

• Desktop Applications: Launch installed GUI applications
• Calculator: Perform mathematical calculations with = prefix
• File Browser: Navigate and open files with / prefix
• Command Runner: Execute shell commands
• Websearch: Search the web with custom-defined engines
• Clipboard History: Access clipboard history with : prefix
• Symbol Picker: Insert special symbols with . prefix
• Provider List: Switch between providers with ; prefix
• Menu Integration: Create custom menus with elephant and let walker display them
• Dmenu: Your good old dmenu ... with seamless menus!
• Arch Linux Packages: Search through available packages (official and aur), install or delete a target! List all exlusively installed packages.

Installation

Build from Source

# Clone the repository
git clone https://github.com/abenz1267/walker.git
cd walker

# Build with Cargo
cargo build --release

# Run Walker
./target/release/walker

Install using Nix

You have two options of installing walker using Nix.

1. Using the package exposed by this flake

   1. Add to your flake inputs.walker.url = "github:abenz1267/walker";
   2. Add inputs.walker.packages.<system>.default to environment.systemPackages or home.packages

2. Using the home-manager module exposed by this flake:

   1. Add to your flake inputs.walker.url = "github:abenz1267/walker";
   2. Add imports = [inputs.walker.homeManagerModules.default]; into your home-manager config
   3. Configure walker using:

programs.walker = {
  enable = true;
  runAsService = true;

  # All options from the config.json can be used here.
  config = {
    search.placeholder = "Example";
    ui.fullscreen = true;
    list = {
      height = 200;
    };
    websearch.prefix = "?";
    switcher.prefix = "/";
  };

  # If this is not set the default styling is used.
  theme.style = ''
    * {
      color: #dcd7ba;
    }
  '';
};

Additionally, there is a binary caches at https://walker.cachix.org and https://walker-git.cachix.org which you can use with the following:

nix.settings = {
  substituters = ["https://walker.cachix.org"];
  trusted-public-keys = ["walker.cachix.org-1:fG8q+uAaMqhsMxWjwvk0IMb4mFPFLqHjuvfwQxE4oJM="];
};

nix.settings = {
  substituters = ["https://walker-git.cachix.org"];
  trusted-public-keys = ["walker-git.cachix.org-1:vmC0ocfPWh0S/vRAQGtChuiZBTAe4wiKDeyyXM0/7pM="];
};

Dependencies

• GTK4 (version 4.6+)
• gtk4-layer-shell
• Protocol Buffers compiler
• cairo
• poppler-glib
• make sure elephant is running before starting Walker

Usage

Basic Usage

Launch Walker with:

walker --gapplication-service

To open it, simply call:

walker

Theming

You can customize Walker's appearance by creating a custom theme. Checkout resources/themes/default for the default theme. Themes inherit the default theme by default, so if you just want to change the CSS, you can just create themes/yours/style.css.

You can customize rendering of list items for each provider individually, f.e. "item_files.xml" will define the layout for items sourced from the files provider.

Please refer to the GTK4 docs to checkout how to write *.xml files for GTK4.

THE DEFAULT THEME CANNOT BE CHANGED.

License

This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.

Development Status

This is a beta version (1.0.0-beta) undergoing active development. Features and APIs may change before the stable 1.0 release.