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GTK + Rust + Relm4 + Meson + Flatpak = <3

This is a fork of gtk-rust-template that adapts the code for Relm4 while trying to change as little as possible.

A boilerplate template to get started with GTK, Rust, Meson, Flatpak made for GNOME. It can be adapted for other desktop environments like elementary.

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Main window

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What does it contains?

How to init a project ?

The template ships a simple python script to init a project easily. It asks you a few questions and replaces & renames all the necessary files.

The script requires having git installed on your system.

If you clone this repository, you can run it with:

python3 create-project.py

If you don't want to clone the repository, you can run it with:

python3 -c "$(wget -q -O - https://raw.githubusercontent.com/Relm4/relm4-template/main/create-project.py)" --online

➜ python3 create-project.py
Welcome to GTK Rust Template
Name: Contrast
Project Name: contrast
Application ID (e.g. org.domain.MyAwesomeApp, see: https://developer.gnome.org/ChooseApplicationID/): org.gnome.design.Contrast
Author: Bilal Elmoussaoui
Email: bil.elmoussaoui@gmail.com

A new directory named contrast containing the generated project

Building the project

Make sure you have flatpak and flatpak-builder installed. Then run the commands below. Replace <application_id> with the value you entered during project creation. Please note that these commands are just for demonstration purposes. Normally this would be handled by your IDE, such as GNOME Builder or VS Code with the Flatpak extension.

flatpak install --user org.gnome.Sdk//46 org.gnome.Platform//46  org.freedesktop.Sdk.Extension.rust-stable//23.08 org.freedesktop.Sdk.Extension.llvm16//23.08
flatpak-builder --user flatpak_app build-aux/<application_id>.Devel.json

Running the project

Once the project is build, run the command below. Replace Replace <application_id> and <project_name> with the values you entered during project creation. Please note that these commands are just for demonstration purposes. Normally this would be handled by your IDE, such as GNOME Builder or VS Code with the Flatpak extension.

flatpak-builder --run flatpak_app build-aux/<application_id>.Devel.json <project_name>

Translations with Gettext

The template uses gettext as a framework for translations using gettext-rs. The basic files for this can be found in the po folder. While meson will take care of building the translations the extraction and translation itself has to be done manually.

Extracting translatable strings

First of all you have to have gettext installed on your system. With that you then are able to use xgettext as following to extract the translatable strings:

xgettext --package-name=<project_name> --package-version=main --msgid-bugs-address=https://github.com/<project_name>/<project_name>/issues --files-from=po/POTFILES.in --output=po/<project_name>.pot

Note that you might need to update the po/POTFILES.in file to reflect the files of your process. This describes where xgettext is going to search for strings to translate.

Translating the translatable strings

To translate the strings you need to use po files. Tools like Poedit allow you to generate these from the po/<project_name>.pot file. It also allows you to sync the po/<project_name>.pot when you rerun xgettext.

When adding a po file also make sure to add the language code to po/LINGUAS.

Community

Join the GNOME and gtk-rs community!

Credits