127 lines
5.5 KiB
Markdown
127 lines
5.5 KiB
Markdown
# Lite XL
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A lightweight text editor written in Lua, adapted from [lite](https://github.com/rxi/lite)
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* **[Get Lite XL](https://github.com/franko/lite-xl/releases/latest)** — Download
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for Windows, Linux and Mac OS (notarized app).
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* **[Get started](doc/usage.md)** — A quick overview on how to get started
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* **[Get plugins](https://github.com/franko/lite-plugins)** — Add additional
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functionality, adapted for Lite XL
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* **[Get color themes](https://github.com/rxi/lite-colors)** — Add additional colors
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themes
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Lite XL has support for high DPI display on Windows and Linux and, since 1.16.7 release, it supports **retina displays** on Mac OS.
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Please note that Lite XL is compatible with lite for most plugins and all color themes.
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We provide a separate lite-plugins repository for Lite XL, because in some cases some adaptations may be needed to make them work better with Lite XL.
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The repository with modified plugins is http://github.com/franko/lite-plugins.
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The changes and differences between Lite XL and rxi/lite are listed in the [changelog](https://github.com/franko/lite-xl/blob/master/changelog.md).
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## Overview
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Lite XL is derived from lite. It is a lightweight text editor written mostly in Lua — it aims to provide
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something practical, pretty, *small* and fast easy to modify and extend, or to use without doing either.
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The aim of Lite XL compared to lite is to be more user friendly, improve the quality of font rendering, and reduce CPU usage.
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## Customization
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Additional functionality can be added through plugins which are available in
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the [plugins repository](https://github.com/rxi/lite-plugins) or in the [Lite XL-specific plugins repository](https://github.com/franko/lite-plugins).
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Additional color themes can be found in the [colors repository](https://github.com/rxi/lite-colors).
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These color themes are bundled with all releases of Lite XL by default.
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The editor can be customized by making changes to the [user module](data/user/init.lua).
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## Building
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You can build Lite XL yourself using Meson.
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In addition, the `build-packages.sh` script can be used to compile Lite XL and create an OS-specific package for Linux, Windows or Mac OS.
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The following libraries are required:
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- freetype2
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- SDL2
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The following libraries are **optional**:
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- libagg
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- Lua 5.2
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If they are not found, they will be downloaded and compiled by Meson.
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Otherwise, if they are present, they will be used to compile Lite XL.
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On Debian-based systems the required libraries and Meson can be installed using the following commands:
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```sh
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# To install the required libraries:
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sudo apt install libfreetype6-dev libsdl2-dev
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# To install Meson:
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sudo apt install meson
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# or pip3 install --user meson
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```
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To build Lite XL with Meson the commands below can be used:
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```sh
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meson setup --buildtype=release build
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meson compile -C build
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meson install -C build
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```
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If you are using a version of Meson below 0.54 you need to use diffent commands to compile and install:
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```sh
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meson setup --buildtype=release build
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ninja -C build
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ninja -C build install
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```
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When performing the `meson setup` command you may enable the `-Dportable=true` option to specify whether files should be installed as in a portable application.
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If `portable` is enabled, Lite XL is built to use a `data` directory placed next to the executable.
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Otherwise, Lite XL will use unix-like directory locations.
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In this case, the `data` directory will be `$prefix/share/lite-xl` and the executable will be located in `$prefix/bin`.
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`$prefix` is determined when the application starts as a directory such that `$prefix/bin` corresponds to the location of the executable.
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The `user` directory does not depend on the `portable` option and will always be `$HOME/.config/lite-xl`.
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`$HOME` is determined from the corresponding environment variable.
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As a special case on Windows the variable `$USERPROFILE` will be used instead.
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If you compile Lite XL yourself, it is recommended to use the script `build-packages.sh`:
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```sh
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bash build-packages.sh <arch>
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```
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The script will run Meson and create a zip file with the application or, for linux, a tar compressed archive.
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Lite XL can be easily installed by unpacking the archive in any directory of your choice.
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On Windows two packages will be created, one called "portable" using the "data" folder next to the executable and
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the other one using a unix-like file layout. Both packages works correctly. The one with unix-like file layout
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is meant for people using a unix-like shell and the command line.
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Please note that there aren't any hard-coded directories in the executable, so that the
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package can be extracted and used in any directory.
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Mac OS X is fully supported and a notarized app disk image is provided in the [release page](https://github.com/franko/lite-xl/releases).
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In addition the application can be compiled using the generic instructions given above.
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## Contributing
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Any additional functionality that can be added through a plugin should be done
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as a plugin, after which a pull request to the
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[plugins repository](https://github.com/rxi/lite-plugins) can be made.
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If the plugin uses any Lite XL-specific functionality, please open a pull request to the
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[Lite XL plugins repository](https://github.com/franko/lite-plugins).
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Pull requests to improve or modify the editor itself are welcome.
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## License
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This project is free software; you can redistribute it and/or modify it under
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the terms of the MIT license. See [LICENSE](LICENSE) for details.
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