Init the project using gtk-rs-template

.editorconfig

+root = true
+[*]
+indent_style = space
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.build]
+indent_size = 2
+
+[*.{json,py}]
+indent_size = 4
+

.gitignore

+target/
+build/
+_build/
+build-aux/app
+build-aux/.flatpak-builder/
+src/config.rs
+src/static_resources.rs
+*.ui.in~
+*.ui~
+

.gitlab-ci.yml

+stages:
+  - lint
+  - test
+  - review
+
+variables:
+    BUNDLE: "gnome-tour-nightly.flatpak"
+
+flatpak:
+    image: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/rust_bundle:master"
+    stage: "test"
+    variables:
+        MANIFEST_PATH: "build-aux/org.gnome.TourDevel.json"
+        FLATPAK_MODULE: "gnome-tour"
+        MESON_ARGS: "-Dprofile=development"
+        APP_ID: "org.gnome.TourDevel"
+
+    script:
+        - flatpak-builder --stop-at=${FLATPAK_MODULE} app ${MANIFEST_PATH}
+        # Build the flatpak repo
+        - flatpak-builder --run app ${MANIFEST_PATH} meson --prefix=/app ${MESON_ARGS} _build
+        - flatpak-builder --run app ${MANIFEST_PATH} ninja -C _build install
+
+        # Run the tests
+        - flatpak-builder --finish-only app ${MANIFEST_PATH}
+        - >
+          xvfb-run -a -s "-screen 0 1024x768x24"
+          flatpak build
+          --env=LANG=C.UTF-8
+          --env=NO_AT_BRIDGE=1
+          app
+          dbus-run-session
+          meson test -C _build --no-stdsplit --print-errorlogs
+
+        # Create a flatpak bundle
+        - flatpak build-export repo app
+        - flatpak build-bundle repo ${BUNDLE} ${APP_ID}
+
+    artifacts:
+        paths:
+            - $BUNDLE
+        expire_in: 5 days
+
+    cache:
+        key: "flatpak"
+        paths:
+          - .flatpak-builder/downloads/
+          - .flatpak-builder/git/
+          - target/
+          - target_test/
+
+review:
+    stage: review
+    dependencies:
+        - flatpak
+    script:
+        - echo "Generating flatpak deployment"
+    artifacts:
+        paths:
+            - $BUNDLE
+        expire_in: 30 days
+    environment:
+        name: review/$CI_COMMIT_REF_NAME
+        url: https://gitlab.gnome.org/$CI_PROJECT_PATH/-/jobs/$CI_JOB_ID/artifacts/raw/${BUNDLE}
+        on_stop: stop_review
+
+stop_review:
+    stage: review
+    script:
+        - echo "Stopping flatpak deployment"
+    when: manual
+    environment:
+        name: review/$CI_COMMIT_REF_NAME
+        action: stop
+
+# Configure and run rustfmt
+# Exits and builds fails if on bad format
+rustfmt:
+  image: "rust:slim"
+  stage: "lint"
+  script:
+    - rustup component add rustfmt
+    # Create blank versions of our configured files
+    # so rustfmt does not yell about non-existent files or completely empty files
+    - echo -e "" >> src/config.rs
+    - echo -e "" >> src/static_resources.rs
+    - rustc -Vv && cargo -Vv
+    - cargo fmt --version
+    - cargo fmt --all -- --color=always --check
+

Cargo.lock

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Cargo.toml

+[package]
+name = "gnome-tour"
+version = "0.0.1"
+authors = ["Bilal Elmoussaoui <bil.elmoussaoui@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+glib = { git = "https://github.com/gtk-rs/glib.git" }
+gio = { git = "https://github.com/gtk-rs/gio.git"  }
+log = "0.4"
+gettext-rs= { version = "0.4", features = ["gettext-system"] }
+
+
+[dependencies.gdk]
+package = "gdk4"
+git = "https://github.com/gtk-rs/gdk4"
+
+[dependencies.gtk]
+package = "gtk4"
+git = "https://github.com/gtk-rs/gtk4.git"
+

LICENSE.md

+Copyright © 2019, Bilal Elmoussaoui
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+The Software is provided “as is”, without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders X be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the Software.
+Except as contained in this notice, the name of the Bilal Elmoussaoui shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the Bilal Elmoussaoui.
\ No newline at end of file

README.md

+# GNOME Greeter & Tour
\ No newline at end of file

build-aux/cargo.sh

+#!/bin/sh
+
+export MESON_BUILD_ROOT="$1"
+export MESON_SOURCE_ROOT="$2"
+export CARGO_TARGET_DIR="$MESON_BUILD_ROOT"/target
+export CARGO_HOME="$CARGO_TARGET_DIR"/cargo-home
+
+if [[ $4 = "Devel" ]]
+then
+    echo "DEBUG MODE"
+    cargo build --manifest-path \
+        "$MESON_SOURCE_ROOT"/Cargo.toml --verbose && \
+        cp "$CARGO_TARGET_DIR"/debug/$5 $3
+else
+    echo "RELEASE MODE"
+    cargo build --manifest-path \
+        "$MESON_SOURCE_ROOT"/Cargo.toml --release && \
+        cp "$CARGO_TARGET_DIR"/release/$5 $3
+fi
+

build-aux/dist-vendor.sh

+#!/bin/bash
+export DIST="$1"
+export SOURCE_ROOT="$2"
+
+cd "$SOURCE_ROOT"
+mkdir "$DIST"/.cargo
+cargo vendor | sed 's/^directory = ".*"/directory = "vendor"/g' > $DIST/.cargo/config
+# Move vendor into dist tarball directory
+mv vendor "$DIST"
+

build-aux/meson_post_install.py

+#!/usr/bin/env python3
+
+from os import environ, path
+from subprocess import call
+
+if not environ.get('DESTDIR', ''):
+    PREFIX = environ.get('MESON_INSTALL_PREFIX', '/usr/local')
+    DATA_DIR = path.join(PREFIX, 'share')
+    print('Updating icon cache...')
+    call(['gtk-update-icon-cache', '-qtf', path.join(DATA_DIR, 'icons/hicolor')])
+    print("Compiling new schemas...")
+    call(["glib-compile-schemas", path.join(DATA_DIR, 'glib-2.0/schemas')])
+    print("Updating desktop database...")
+    call(["update-desktop-database", path.join(DATA_DIR, 'applications')])

build-aux/org.gnome.TourDevel.json

+{
+    "app-id": "org.gnome.TourDevel",
+    "runtime" : "org.gnome.Platform",
+    "runtime-version" : "master",
+    "sdk" : "org.gnome.Sdk",
+    "sdk-extensions" : [
+        "org.freedesktop.Sdk.Extension.rust-stable"
+    ],
+    "command" : "gnome-tour",
+    "tags" : [
+        "nightly"
+    ],
+    "desktop-file-name-suffix" : " (Devel)",
+    "finish-args" : [
+        "--filesystem=xdg-run/dconf",
+        "--filesystem=~/.config/dconf:ro",
+        "--talk-name=ca.desrt.dconf",
+        "--env=DCONF_USER_CONFIG_DIR=.config/dconf",
+        "--share=ipc",
+        "--socket=fallback-x11",
+        "--socket=wayland",
+        "--device=dri"
+    ],
+    "build-options" : {
+        "append-path" : "/usr/lib/sdk/rust-stable/bin",
+        "build-args" : [
+            "--share=network"
+        ],
+        "env" : {
+            "RUSTFLAGS" : "--remap-path-prefix =../",
+            "CARGO_HOME" : "/run/build/gnome-tour/cargo",
+            "RUST_BACKTRACE" : "1"
+        }
+    },
+    "modules" : [
+        {
+            "name" : "gnome-tour",
+            "buildsystem" : "meson",
+            "config-opts" : [
+                "-Dprofile=development"
+            ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/bilelmoussaoui/gnome-tour.git"
+                }
+            ]
+        }
+    ]
+}
+

data/icons/meson.build

+install_data(
+  '@0@.svg'.format(application_id),
+  install_dir: iconsdir / 'hicolor' / 'scalable' / 'apps'
+)
+
+install_data(
+  '@0@-symbolic.svg'.format(base_id),
+  install_dir: iconsdir / 'hicolor' / 'symbolic' / 'apps',
+  rename: '@0@-symbolic.svg'.format(application_id)
+)

data/icons/org.gnome.Tour-symbolic.svg

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+</mask>
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+</clipPath>
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+</g>
+<mask id="mask3">
+  <g filter="url(#alpha)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.1;stroke:none;"/>
+  </g>
+</mask>
+<clipPath id="clip4">
+  <rect x="0" y="0" width="192" height="152"/>
+</clipPath>
+<g id="surface10735" clip-path="url(#clip4)">
+<path style="fill:none;stroke-width:0.99;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(0%,0%,0%);stroke-opacity:1;stroke-dasharray:0.99,0.99;stroke-miterlimit:4;" d="M 16.425781 200.496094 L 111.574219 200.496094 C 115.953125 200.496094 119.503906 204.390625 119.503906 209.195312 L 119.503906 278.804688 C 119.503906 283.609375 115.953125 287.503906 111.574219 287.503906 L 16.425781 287.503906 C 12.046875 287.503906 8.496094 283.609375 8.496094 278.804688 L 8.496094 209.195312 C 8.496094 204.390625 12.046875 200.496094 16.425781 200.496094 Z M 16.425781 200.496094 " transform="matrix(1,0,0,1,8,-156)"/>
+</g>
+<mask id="mask5">
+  <g filter="url(#alpha)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.1;stroke:none;"/>
+  </g>
+</mask>
+<clipPath id="clip7">
+  <rect x="0" y="0" width="192" height="152"/>
+</clipPath>
+<g id="surface10726" clip-path="url(#clip7)">
+<path style="fill:none;stroke-width:0.99;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(0%,0%,0%);stroke-opacity:1;stroke-dasharray:0.99,0.99;stroke-miterlimit:4;" d="M 123.503906 236 C 123.503906 268.863281 96.863281 295.503906 64 295.503906 C 31.136719 295.503906 4.496094 268.863281 4.496094 236 C 4.496094 203.136719 31.136719 176.496094 64 176.496094 C 96.863281 176.496094 123.503906 203.136719 123.503906 236 Z M 123.503906 236 " transform="matrix(1,0,0,1,8,-156)"/>
+</g>
+<mask id="mask6">
+  <g filter="url(#alpha)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.1;stroke:none;"/>
+  </g>
+</mask>
+<clipPath id="clip8">
+  <rect x="0" y="0" width="192" height="152"/>
+</clipPath>
+<g id="surface10729" clip-path="url(#clip8)">
+<path style="fill:none;stroke-width:0.99;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(0%,0%,0%);stroke-opacity:1;stroke-dasharray:0.99,0.99;stroke-miterlimit:4;" d="M 29.195312 180.496094 L 98.804688 180.496094 C 103.609375 180.496094 107.503906 184.046875 107.503906 188.425781 L 107.503906 283.574219 C 107.503906 287.953125 103.609375 291.503906 98.804688 291.503906 L 29.195312 291.503906 C 24.390625 291.503906 20.496094 287.953125 20.496094 283.574219 L 20.496094 188.425781 C 20.496094 184.046875 24.390625 180.496094 29.195312 180.496094 Z M 29.195312 180.496094 " transform="matrix(1,0,0,1,8,-156)"/>
+</g>
+<mask id="mask7">
+  <g filter="url(#alpha)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.1;stroke:none;"/>
+  </g>
+</mask>
+<clipPath id="clip9">
+  <rect x="0" y="0" width="192" height="152"/>
+</clipPath>
+<g id="surface10732" clip-path="url(#clip9)">
+<path style="fill:none;stroke-width:0.99;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(0%,0%,0%);stroke-opacity:1;stroke-dasharray:0.99,0.99;stroke-miterlimit:4;" d="M 20.417969 184.496094 L 107.582031 184.496094 C 111.957031 184.496094 115.503906 188.042969 115.503906 192.417969 L 115.503906 279.582031 C 115.503906 283.957031 111.957031 287.503906 107.582031 287.503906 L 20.417969 287.503906 C 16.042969 287.503906 12.496094 283.957031 12.496094 279.582031 L 12.496094 192.417969 C 12.496094 188.042969 16.042969 184.496094 20.417969 184.496094 Z M 20.417969 184.496094 " transform="matrix(1,0,0,1,8,-156)"/>
+</g>
+<mask id="mask8">
+  <g filter="url(#alpha)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.1;stroke:none;"/>
+  </g>
+</mask>
+<clipPath id="clip10">
+  <rect x="0" y="0" width="192" height="152"/>
+</clipPath>
+<g id="surface10735" clip-path="url(#clip10)">
+<path style="fill:none;stroke-width:0.99;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(0%,0%,0%);stroke-opacity:1;stroke-dasharray:0.99,0.99;stroke-miterlimit:4;" d="M 16.425781 200.496094 L 111.574219 200.496094 C 115.953125 200.496094 119.503906 204.390625 119.503906 209.195312 L 119.503906 278.804688 C 119.503906 283.609375 115.953125 287.503906 111.574219 287.503906 L 16.425781 287.503906 C 12.046875 287.503906 8.496094 283.609375 8.496094 278.804688 L 8.496094 209.195312 C 8.496094 204.390625 12.046875 200.496094 16.425781 200.496094 Z M 16.425781 200.496094 " transform="matrix(1,0,0,1,8,-156)"/>
+</g>
+<clipPath id="clip6">
+  <rect x="0" y="0" width="128" height="128"/>
+</clipPath>
+<g id="surface10750" clip-path="url(#clip6)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(94.117647%,94.117647%,94.117647%);fill-opacity:1;stroke:none;"/>
+<use xlink:href="#surface10726" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask5)"/>
+<use xlink:href="#surface10729" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask6)"/>
+<use xlink:href="#surface10732" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask7)"/>
+<use xlink:href="#surface10735" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask8)"/>
+<path style="fill:none;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(38.431373%,62.7451%,91.764706%);stroke-opacity:1;stroke-miterlimit:4;" d="M 0 289 L 128 289 " transform="matrix(1,0,0,1,0,-172)"/>
+</g>
+<clipPath id="clip5">
+  <rect x="0" y="0" width="128" height="128"/>
+</clipPath>
+<g id="surface10753" clip-path="url(#clip5)" filter="url(#alpha)">
+<use xlink:href="#surface10750"/>
+</g>
+<mask id="mask4">
+<use xlink:href="#surface10753"/>
+</mask>
+<mask id="mask9">
+  <g filter="url(#alpha)">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.8;stroke:none;"/>
+  </g>
+</mask>
+<linearGradient id="linear0" gradientUnits="userSpaceOnUse" x1="300" y1="235" x2="428" y2="235" gradientTransform="matrix(0.000000000000000023,0.37,-0.98462,0.00000000000000006,295.38501,-30.360001)">
+<stop offset="0" style="stop-color:rgb(97.647059%,94.117647%,41.960785%);stop-opacity:1;"/>
+<stop offset="1" style="stop-color:rgb(96.078432%,76.078433%,6.666667%);stop-opacity:1;"/>
+</linearGradient>
+<clipPath id="clip12">
+  <rect x="0" y="0" width="128" height="128"/>
+</clipPath>
+<g id="surface10747" clip-path="url(#clip12)">
+<path style=" stroke:none;fill-rule:nonzero;fill:url(#linear0);" d="M 128 80.640625 L 128 128 L 0 128 L 0 80.640625 Z M 128 80.640625 "/>
+<path style=" stroke:none;fill-rule:nonzero;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 13.308594 80.640625 L 60.664062 128 L 81.878906 128 L 34.519531 80.640625 Z M 55.730469 80.640625 L 103.09375 128 L 124.308594 128 L 76.945312 80.640625 Z M 98.160156 80.640625 L 128 110.480469 L 128 89.269531 L 119.371094 80.640625 Z M 0 88.546875 L 0 109.761719 L 18.238281 128 L 39.453125 128 Z M 0 88.546875 "/>
+</g>
+<clipPath id="clip11">
+  <rect x="0" y="0" width="128" height="128"/>
+</clipPath>
+<g id="surface10752" clip-path="url(#clip11)">
+<use xlink:href="#surface10747" mask="url(#mask9)"/>
+</g>
+</defs>
+<g id="surface10672">
+<rect x="0" y="0" width="128" height="128" style="fill:rgb(94.117647%,94.117647%,94.117647%);fill-opacity:1;stroke:none;"/>
+<use xlink:href="#surface10726" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask0)"/>
+<use xlink:href="#surface10729" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask1)"/>
+<use xlink:href="#surface10732" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask2)"/>
+<use xlink:href="#surface10735" transform="matrix(1,0,0,1,-8,-16)" mask="url(#mask3)"/>
+<path style="fill:none;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(38.431373%,62.7451%,91.764706%);stroke-opacity:1;stroke-miterlimit:4;" d="M 0 289 L 128 289 " transform="matrix(1,0,0,1,0,-172)"/>
+<use xlink:href="#surface10752" mask="url(#mask4)"/>
+</g>
+</svg>

data/meson.build

+subdir('icons')
+# Desktop file
+desktop_conf = configuration_data()
+desktop_conf.set('icon', application_id)
+desktop_file = i18n.merge_file (
+  type: 'desktop',
+  input: configure_file(
+    input: '@0@.desktop.in.in'.format(base_id),
+    output: '@BASENAME@',
+    configuration: desktop_conf
+  ),
+  output: '@0@.desktop'.format(application_id),
+  po_dir: podir,
+  install: true,
+  install_dir: datadir / 'applications'
+)
+# Validate Desktop file
+if desktop_file_validate.found()
+  test(
+    'validate-desktop',
+    desktop_file_validate,
+    args: [
+      desktop_file.full_path()
+    ]
+  )
+endif
+
+# Appdata
+appdata_conf = configuration_data()
+appdata_conf.set('app-id', application_id)
+appdata_conf.set('gettext-package', gettext_package)
+appdata_file = i18n.merge_file (
+  input: configure_file(
+    input: '@0@.metainfo.xml.in.in'.format(base_id),
+    output: '@BASENAME@',
+    configuration: appdata_conf
+  ),
+  output: '@0@.metainfo.xml'.format(application_id),
+  po_dir: podir,
+  install: true,
+  install_dir: datadir / 'metainfo'
+)
+# Validate Appdata
+if appstream_util.found()
+  test(
+    'validate-appdata', appstream_util,
+    args: [
+      'validate', '--nonet', appdata_file.full_path()
+    ]
+  )
+endif
+
+# GSchema
+gschema_conf = configuration_data()
+gschema_conf.set('app-id', application_id)
+gschema_conf.set('gettext-package', gettext_package)
+configure_file(
+    input: '@0@.gschema.xml.in'.format(base_id),
+    output: '@0@.gschema.xml'.format(application_id),
+    configuration: gschema_conf,
+    install: true,
+    install_dir: datadir / 'glib-2.0' / 'schemas'
+)
+
+# Validata GSchema
+if glib_compile_schemas.found()
+  test(
+    'validate-gschema', glib_compile_schemas,
+    args: [
+      '--strict', '--dry-run', meson.current_source_dir()
+    ]
+  )
+endif
+
+# Resources
+resources = gnome.compile_resources(
+  'resources',
+  'resources.gresource.xml',
+  gresource_bundle: true,
+  source_dir: meson.current_build_dir()
+)
+

data/org.gnome.Tour.desktop.in.in

+[Desktop Entry]
+Name=Tour
+GenericName=Greeter & Tour
+Type=Application
+Exec=gnome-tour
+Terminal=false
+Categories=GNOME;GTK;
+Keywords=Gnome;GTK;
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
+Icon=@icon@
+StartupNotify=true

data/org.gnome.Tour.gschema.xml.in

+<?xml version="1.0" encoding="utf-8"?>
+<schemalist>
+  <schema path="/org/gnome/Tour/" id="@app-id@" gettext-domain="@gettext-package@">
+    <key name="window-width" type="i">
+      <default>-1</default>
+      <summary>Default window width</summary>
+      <description>Default window width</description>
+    </key>
+    <key name="window-height" type="i">
+      <default>-1</default>
+      <summary>Default window height</summary>
+      <description>Default window height</description>
+    </key>
+    <key name="window-x" type="i">
+      <default>-1</default>
+      <summary>Default window x position</summary>
+      <description>Default window x position</description>
+    </key>
+    <key name="window-y" type="i">
+      <default>-1</default>
+      <summary>Default window y position</summary>
+      <description>Default window y position</description>
+    </key>
+    <key name="is-maximized" type="b">
+      <default>false</default>
+      <summary>Default window maximized behaviour</summary>
+      <description></description>
+    </key>
+  </schema>
+</schemalist>

data/org.gnome.Tour.metainfo.xml.in.in

+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Bilal Elmoussaoui 2019 <bilal.elmoussaoui@gnome.org> -->
+<component type="desktop-application">
+  <id>@app-id@</id>
+  <metadata_license>CC0</metadata_license>
+  <project_license>GPL-3.0+</project_license>
+  <name>GNOME Tour</name>
+  <summary>A GTK + Rust application template.</summary>
+  <description>
+    <p>A boilerplate template for GTK + Rust. It uses Meson as a build system and has flatpak support by default.</p>
+  </description>
+  <screenshots>
+      <screenshot type="default">
+        <image>https://gitlab.gnome.org/bilelmoussaoui/gtk-rust-template/raw/master/data/resources/screenshots/screenshot1.png</image>
+        <caption>Main Window</caption>
+      </screenshot>
+
+  </screenshots>
+  <url type="homepage">https://gitlab.gnome.org/bilelmoussaoui/gtk-rust-template</url>
+  <url type="bugtracker">https://gitlab.gnome.org/bilelmoussaoui/gtk-rust-template/issues</url>
+  <url type="donation">https://liberapay.com/bielmoussaoui</url>
+  <content_rating type="oars-1.0" />
+  <releases>
+    <release version="0.0.1" date="2019-07-11" />
+  </releases>
+  <kudos>
+      <!--
+        GNOME Software kudos:
+        https://gitlab.gnome.org/GNOME/gnome-software/blob/master/doc/kudos.md
+      -->
+      <kudo>ModernToolkit</kudo>
+      <kudo>HiDpiIcon</kudo>
+  </kudos>
+  <project_group>GNOME</project_group>
+  <developer_name>Bilal Elmoussaoui</developer_name>
+  <update_contact>bilal.elmoussaoui@gnome.org</update_contact>
+  <translation type="gettext">@gettext-package@</translation>
+  <launchable type="desktop-id">@app-id@.desktop</launchable>
+</component>
+

data/resources.gresource.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/org/gnome/Tour/">
+      <file compressed="true" alias="style.css">resources/style.css</file>
+  </gresource>
+</gresources>

data/resources/style.css

+
+.large-title {
+   font-weight: 300;
+   font-size: 24pt;
+   letter-spacing: 0.2rem;
+}
+.title-1 {
+   font-weight: 800;
+   font-size: 20pt;
+}
+.title-2 {
+   font-weight: 800;
+   font-size: 15pt;
+}
+.title-3 {
+   font-weight: 700;
+   font-size: 15pt;
+}
+.title-4 {
+   font-weight: 700;
+   font-size: 13pt;
+}
+.heading {
+   font-weight: 700;
+   font-size: 11pt;
+}
+.body {
+   font-weight: 400;
+   font-size: 11pt;
+}
+.caption-heading {
+   font-weight: 700;
+   font-size: 9pt;
+}
+.caption {
+   font-weight: 400;
+   font-size: 9pt;
+}
+
+

gnome-tour.doap

+<?xml version="1.0" encoding="UTF-8"?>
+<Project
+    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
+    xmlns:foaf="http://xmlns.com/foaf/0.1/"
+    xmlns:gnome="http://api.gnome.org/doap-extensions#"
+    xmlns="http://usefulinc.com/ns/doap#">
+  <name xml:lang="en">GNOME Tour</name>
+  <shortdesc xml:lang="en">
+  GNOME Tour and Greeter
+  </shortdesc>
+  <bug-database rdf:resource="https://gitlab.gnome.org/World/design/contrast" />
+  <category rdf:resource="http://api.gnome.org/doap-extensions#apps" />
+  <programming-language>Rust</programming-language>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Bilal Elmoussaoui</foaf:name>
+      <foaf:mbox rdf:resource="mailto:bilal.elmoussaoui@gnome.org" />
+      <gnome:userid>bilelmoussaoui</gnome:userid>
+    </foaf:Person>
+  </maintainer>
+</Project>
+
+

hooks/pre-commit.hook

+#!/bin/sh
+# Source: https://gitlab.gnome.org/GNOME/fractal/blob/master/hooks/pre-commit.hook
+
+if ! which rustup &> /dev/null; then
+    curl https://sh.rustup.rs -sSf  | sh -s -- -y
+    export PATH=$PATH:$HOME/.cargo/bin
+    if ! which rustup &> /dev/null; then
+        echo "Failed to install rustup"
+    fi
+fi
+
+if ! rustup component list|grep rustfmt &> /dev/null; then
+    echo "Installing rustfmt.."
+    rustup component add rustfmt
+fi
+
+echo "--Checking style--"
+cargo fmt --all -- --check
+if test $? != 0; then
+    echo "--Checking style fail--"
+    echo "Please fix the above issues, either manually or by running: cargo fmt --all"
+
+    exit -1
+else
+    echo "--Checking style pass--"
+fi
+

meson.build

+project('gnome-tour',
+        'rust',
+        version: '0.0.1',
+        license: 'MIT',
+	meson_version : '>= 0.50')
+
+i18n = import('i18n')
+gnome = import('gnome')
+
+base_id = 'org.gnome.Tour'
+
+dependency('glib-2.0', version: '>= 2.56')
+dependency('gio-2.0', version: '>= 2.56')
+dependency('gdk-pixbuf-2.0')
+dependency('gtk+-3.0', version: '>= 3.24.7')
+
+
+glib_compile_resources = find_program('glib-compile-resources', required: true)
+glib_compile_schemas = find_program('glib-compile-schemas', required: true)
+desktop_file_validate = find_program('desktop-file-validate', required: false)
+appstream_util = find_program('appstream-util', required: false)
+cargo = find_program('cargo', required: false)
+cargo_script = find_program('build-aux/cargo.sh')
+
+
+version = meson.project_version()
+version_array = version.split('.')
+major_version = version_array[0].to_int()
+minor_version = version_array[1].to_int()
+version_micro = version_array[2].to_int()
+
+prefix = get_option('prefix')
+bindir = prefix / get_option('bindir')
+localedir = prefix / get_option('localedir')
+
+datadir = prefix / get_option('datadir')
+pkgdatadir = datadir / meson.project_name()
+iconsdir = datadir / 'icons'
+podir =meson.source_root () / 'po'
+gettext_package = meson.project_name()
+
+
+if get_option('profile') == 'development'
+  profile = 'Devel'
+  name_suffix = ' (Devel)'
+  vcs_tag = run_command('git', 'rev-parse', '--short', 'HEAD').stdout().strip()
+  if vcs_tag == ''
+    version_suffix = '-devel'
+  else
+    version_suffix = '-@0@'.format (vcs_tag)
+  endif
+else
+  profile = ''
+  name_suffix = ''
+  version_suffix = ''
+endif
+
+application_id = '@0@@1@'.format(base_id, profile)
+
+
+meson.add_dist_script(
+  'build-aux/dist-vendor.sh',
+  meson.build_root() / 'meson-dist' / meson.project_name() + '-' + version,
+  meson.source_root()
+)
+
+if get_option('profile') == 'development'
+    # Setup pre-commit hook for ensuring coding style is always consistent
+    message('Setting up git pre-commit hook..')
+    run_command('cp', '-f', 'hooks/pre-commit.hook', '.git/hooks/pre-commit')
+endif
+
+subdir('data')
+subdir('po')
+subdir('src')
+
+meson.add_install_script('build-aux/meson_post_install.py')

meson_options.txt

+option (
+  'profile',
+  type: 'combo',
+  choices: [
+    'default',
+    'development'
+  ],
+  value: 'default',
+  description: 'The build profile for GNOME Tour. One of "default" or "development".'
+)

po/POTFILES.in

+data/org.gnome.Tour.metainfo.xml.in.in
+data/org.gnome.Tour.desktop.in.in
+data/org.gnome.Tour.gschema.xml.in
+data/resources/ui/about_dialog.ui.in
+data/resources/ui/menu.ui
+data/resources/ui/shortcuts.ui
+data/resources/ui/window.ui.in

po/meson.build

+i18n.gettext(gettext_package, preset: 'glib')

rustfmt.toml

+max_width = 200
+edition = "2018"

src/application.rs

+use gio::prelude::*;
+use gtk::prelude::*;
+use std::env;
+
+use crate::config;
+use crate::utils;
+use crate::widgets::Window;
+
+pub struct Application {
+    app: gtk::Application,
+    window: Window,
+}
+
+impl Application {
+    pub fn new() -> Self {
+        let app = gtk::Application::new(Some(config::APP_ID), gio::ApplicationFlags::FLAGS_NONE).unwrap();
+        let window = Window::new(&app);
+
+        let application = Self { app, window };
+
+        application.setup_gactions();
+        application.setup_signals();
+        application.setup_css();
+        application
+    }
+
+    fn setup_gactions(&self) {
+        // Quit
+        utils::action(
+            &self.app,
+            "quit",
+            clone!(@strong self.app as app => move |_, _| {
+                app.quit();
+            }),
+        );
+
+        utils::action(
+            &self.app,
+            "skip-tour",
+            clone!(@strong self.app as app => move |_, _| {
+                app.quit();
+            }),
+        );
+        self.app.set_accels_for_action("app.quit", &["<primary>q"]);
+    }
+
+    fn setup_signals(&self) {
+        self.app.connect_activate(clone!(@weak self.window.widget as window => move |app| {
+            app.add_window(&window);
+            window.present();
+        }));
+    }
+
+    fn setup_css(&self) {
+        let p = gtk::CssProvider::new();
+        gtk::CssProvider::load_from_resource(&p, "/org/gnome/Tour/style.css");
+        if let Some(display) = gdk::Display::get_default() {
+            gtk::StyleContext::add_provider_for_display(&display, &p, 500);
+        }
+    }
+
+    pub fn run(&self) {
+        info!("GNOME Tour{} ({})", config::NAME_SUFFIX, config::APP_ID);
+        info!("Version: {} ({})", config::VERSION, config::PROFILE);
+        info!("Datadir: {}", config::PKGDATADIR);
+
+        let args: Vec<String> = env::args().collect();
+        self.app.run(&args);
+    }
+}

src/config.rs.in

+pub static APP_ID: &'static str = @APP_ID@;
+pub static PKGDATADIR: &'static str = @PKGDATADIR@;
+pub static PROFILE: &'static str = @PROFILE@;
+pub static NAME_SUFFIX: &'static str = @NAME_SUFFIX@;
+pub static VERSION: &'static str = @VERSION@;
+pub static GETTEXT_PACKAGE: &'static str = @GETTEXT_PACKAGE@;
+pub static LOCALEDIR: &'static str = @LOCALEDIR@;

src/main.rs

+#[macro_use]
+extern crate log;
+#[macro_use]
+extern crate glib;
+
+use gettextrs::*;
+
+mod application;
+mod config;
+mod static_resources;
+mod utils;
+mod widgets;
+
+use application::Application;
+use config::{GETTEXT_PACKAGE, LOCALEDIR};
+
+fn main() {
+    // Prepare i18n
+    setlocale(LocaleCategory::LcAll, "");
+    bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
+    textdomain(GETTEXT_PACKAGE);
+
+    glib::set_application_name(&format!("Tour{}", config::NAME_SUFFIX));
+    glib::set_prgname(Some("Tour"));
+
+    gtk::init().expect("Unable to start GTK3");
+
+    static_resources::init().expect("Failed to initialize the resource file.");
+
+    let app = Application::new();
+    app.run();
+}

src/meson.build

+global_conf = configuration_data()
+global_conf.set_quoted('APP_ID', application_id)
+global_conf.set_quoted('PKGDATADIR', pkgdatadir)
+global_conf.set_quoted('PROFILE', profile)
+global_conf.set_quoted('NAME_SUFFIX', name_suffix)
+global_conf.set_quoted('VERSION', version + version_suffix)
+global_conf.set_quoted('GETTEXT_PACKAGE', gettext_package)
+global_conf.set_quoted('LOCALEDIR', localedir)
+config = configure_file(
+  input: 'config.rs.in',
+  output: 'config.rs',
+  configuration: global_conf
+)
+# Copy the config.rs output to the source directory.
+run_command(
+  'cp',
+  meson.build_root() / 'src' / 'config.rs',
+  meson.source_root() /  'src' / 'config.rs',
+  check: true
+)
+
+# include_bytes! only takes a string literal
+resource_conf = configuration_data()
+resource_conf.set_quoted('RESOURCEFILE', resources.full_path())
+resource_rs = configure_file(
+  input: 'static_resources.rs.in',
+  output: 'static_resources.rs',
+  configuration: resource_conf
+)
+
+run_command(
+  'cp',
+  resource_rs,
+  meson.current_source_dir(),
+  check: true
+)
+
+sources = files(
+  'widgets/pages/image.rs',
+  'widgets/pages/mod.rs',
+  'widgets/pages/welcome.rs',
+  'widgets/headerbar.rs',
+  'widgets/mod.rs',
+  'widgets/window.rs',
+  'application.rs',
+  'config.rs',
+  'main.rs',
+  'static_resources.rs',
+)
+
+custom_target(
+  'cargo-build',
+  build_by_default: true,
+  input: sources,
+  output: meson.project_name(),
+  console: true,
+  install: true,
+  install_dir: bindir,
+  depends: resources,
+  command: [
+    cargo_script,
+    meson.build_root(),
+    meson.source_root(),
+    '@OUTPUT@',
+    profile,
+    meson.project_name(),
+  ]
+)
+

src/static_resources.rs.in

+// Source: https://gitlab.gnome.org/World/podcasts/blob/master/podcasts-gtk/src/static_resource.rs
+
+use gio::{resources_register, Resource};
+use glib::{Bytes, Error};
+
+pub(crate) fn init() -> Result<(), Error> {
+    // load the gresource binary at build time and include/link it into the final
+    // binary.
+    let res_bytes = include_bytes!(@RESOURCEFILE@);
+
+    // Create Resource it will live as long the value lives.
+    let gbytes = Bytes::from_static(res_bytes.as_ref());
+    let resource = Resource::new_from_data(&gbytes)?;
+
+    // Register the resource so it won't be dropped and will continue to live in
+    // memory.
+    resources_register(&resource);
+
+    Ok(())
+}

src/utils.rs

+pub fn action<T, F>(thing: &T, name: &str, action: F)
+where
+    T: gio::ActionMapExt,
+    for<'r, 's> F: Fn(&'r gio::SimpleAction, Option<&glib::Variant>) + 'static,
+{
+    // Create a stateless, parameterless action
+    let act = gio::SimpleAction::new(name, None);
+    // Connect the handler
+    act.connect_activate(action);
+    // Add it to the map
+    thing.add_action(&act);
+}

src/widgets/headerbar.rs

+use gtk::prelude::*;
+
+pub struct Headerbar {
+    pub widget: gtk::HeaderBar,
+}
+
+impl Headerbar {
+    pub fn new() -> Self {
+        let widget = gtk::HeaderBar::new();
+
+        widget.set_show_title_buttons(true);
+
+        Self { widget }
+    }
+}

src/widgets/mod.rs

+mod headerbar;
+mod pages;
+mod window;
+
+pub use window::Window;

src/widgets/pages/mod.rs

+mod welcome;
+
+pub use welcome::WelcomePageWidget;

src/widgets/pages/welcome.rs

+use gtk::prelude::*;
+
+pub struct WelcomePageWidget {
+    pub widget: gtk::Box,
+}
+
+impl WelcomePageWidget {
+    pub fn new() -> Self {
+        let widget = gtk::Box::new(gtk::Orientation::Vertical, 0);
+
+        let welcome_page = Self { widget };
+
+        welcome_page.init();
+        welcome_page
+    }
+
+    fn init(&self) {
+        self.widget.set_valign(gtk::Align::Center);
+        self.widget.set_halign(gtk::Align::Center);
+        self.widget.set_margin_top(24);
+        self.widget.set_margin_bottom(24);
+
+        let logo = gtk::Image::new_from_icon_name(Some("start-here-symbolic"));
+        logo.set_pixel_size(196);
+        self.widget.add(&logo);
+
+        let title = gtk::Label::new(Some("Welcome to GNOME 3.34"));
+        title.set_margin_top(36);
+        title.get_style_context().add_class("large-title");
+        self.widget.add(&title);
+
+        let text = gtk::Label::new(Some("Take the tour to learn some essential fatures. It only takes a minute."));
+        text.get_style_context().add_class("body");
+        text.set_margin_top(12);
+        self.widget.add(&text);
+
+        let actions_container = gtk::Box::new(gtk::Orientation::Horizontal, 12);
+        actions_container.set_halign(gtk::Align::Center);
+        actions_container.set_margin_top(36);
+
+        let start_tour_btn = gtk::Button::new();
+        start_tour_btn.add(&gtk::Label::new(Some("Take the Tour")));
+        start_tour_btn.get_style_context().add_class("suggested-action");
+        start_tour_btn.set_property_height_request(40);
+        start_tour_btn.set_property_width_request(180);
+
+        let skip_tour_btn = gtk::Button::new();
+        skip_tour_btn.add(&gtk::Label::new(Some("Skip")));
+        skip_tour_btn.set_property_height_request(40);
+        skip_tour_btn.set_property_width_request(180);
+        skip_tour_btn.set_action_name(Some("app.skip-tour"));
+
+        actions_container.add(&skip_tour_btn);
+        actions_container.add(&start_tour_btn);
+
+        self.widget.add(&actions_container);
+    }
+}

src/widgets/window.rs

+use gtk::prelude::*;
+
+use super::headerbar::Headerbar;
+use super::pages::WelcomePageWidget;
+use crate::config::PROFILE;
+
+pub struct Window {
+    pub widget: gtk::ApplicationWindow,
+}
+
+impl Window {
+    pub fn new(app: &gtk::Application) -> Self {
+        let widget = gtk::ApplicationWindow::new(app);
+
+        let window_widget = Window { widget };
+
+        window_widget.init();
+        window_widget
+    }
+
+    fn init(&self) {
+        self.widget.set_default_size(920, 640);
+
+        // Devel Profile
+        if PROFILE == "Devel" {
+            self.widget.get_style_context().add_class("devel");
+        }
+
+        let headerbar = Headerbar::new();
+        self.widget.set_titlebar(Some(&headerbar.widget));
+
+        let container = gtk::Stack::new();
+
+        let welcome_page = WelcomePageWidget::new();
+        container.add_named(&welcome_page.widget, "welcome");
+
+        self.widget.add(&container);
+    }
+}