monorepo/fitnesstrax/app/src/main.rs

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/*
Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
This file is part of FitnessTrax.
FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
General Public License as published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
*/
use adw::prelude::*;
use emseries::Series;
use ft_core::TraxRecord;
use gio::resources_lookup_data;
use glib::Object;
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use gtk::{subclass::prelude::*, STYLE_PROVIDER_PRIORITY_USER};
use std::{
cell::RefCell,
env,
sync::{Arc, RwLock},
};
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const APP_ID_DEV: &str = "com.luminescent-dreams.fitnesstrax.dev";
const APP_ID_PROD: &str = "com.luminescent-dreams.fitnesstrax";
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const RESOURCE_BASE_PATH: &str = "/com/luminescent-dreams/fitnesstrax/";
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/// The real, headless application. This is where all of the logic will reside.
#[derive(Clone)]
struct App {
database: Arc<RwLock<Option<Series<TraxRecord>>>>,
}
impl App {
pub fn new() -> Self {
Self {
database: Arc::new(RwLock::new(None)),
}
}
}
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/// This is the view to show if the application has not yet been configured. It will walk the user
/// through the most critical setup steps so that we can move on to the other views in the app.
pub struct WelcomeViewPrivate {}
#[glib::object_subclass]
impl ObjectSubclass for WelcomeViewPrivate {
const NAME: &'static str = "WelcomeView";
type Type = WelcomeView;
type ParentType = gtk::Box;
fn new() -> Self {
Self {}
}
}
impl ObjectImpl for WelcomeViewPrivate {}
impl WidgetImpl for WelcomeViewPrivate {}
impl BoxImpl for WelcomeViewPrivate {}
glib::wrapper! {
pub struct WelcomeView(ObjectSubclass<WelcomeViewPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
}
impl WelcomeView {
pub fn new() -> Self {
let s: Self = Object::builder().build();
s.set_orientation(gtk::Orientation::Vertical);
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// Replace this with the welcome screen that we set up in the fitnesstrax/unconfigured-page
// branch.
let label = gtk::Label::builder()
.label("Welcome to FitnessTrax")
.build();
s.append(&label);
s.append(&gtk::Label::new(Some("Welcome to FitnessTrax. The application has not yet been configured, so I will walk you through that. Let's start out by selecting your database.")));
// The database selection row should be a box that shows a default database path, along with a
// button that triggers a file chooser dialog. Once the dialog returns, the box should be
// updated to reflect the chosen path.
let db_row = gtk::Box::builder()
.orientation(gtk::Orientation::Horizontal)
.build();
db_row.append(
&gtk::Label::builder()
.label("No Path Selected")
.hexpand(true)
.build(),
);
db_row.append(&gtk::Button::builder().label("Select Database").build());
s.append(&db_row);
s.append(&gtk::Button::builder().label("Save Settings").build());
s
}
}
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/// The historical view will show a window into the main database. It will show some version of
/// daily summaries, daily details, and will provide all functions the user may need for editing
/// records.
pub struct HistoricalViewPrivate {}
#[glib::object_subclass]
impl ObjectSubclass for HistoricalViewPrivate {
const NAME: &'static str = "HistoricalView";
type Type = HistoricalView;
type ParentType = gtk::Box;
fn new() -> Self {
Self {}
}
}
impl ObjectImpl for HistoricalViewPrivate {}
impl WidgetImpl for HistoricalViewPrivate {}
impl BoxImpl for HistoricalViewPrivate {}
glib::wrapper! {
pub struct HistoricalView(ObjectSubclass<HistoricalViewPrivate>) @extends gtk::Box, gtk::Widget;
}
impl HistoricalView {
pub fn new() -> Self {
let s: Self = Object::builder().build();
let label = gtk::Label::builder()
.label("Database has been configured and now it is time to show data")
.build();
s.append(&label);
s
}
}
/// The application window, or the main window, is the main user interface for the app. Almost
/// everything occurs here.
struct AppWindow {
app: App,
window: adw::ApplicationWindow,
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layout: gtk::Box,
current_view: RefCell<gtk::Widget>,
}
impl AppWindow {
/// Construct a new App Window.
///
/// adw_app is an Adwaita application. Application windows need to have access to this, but
/// otherwise we don't use this.
///
/// app is a core [App] object which encapsulates all of the basic logic.
fn new(adw_app: &adw::Application, app: App) -> AppWindow {
let window = adw::ApplicationWindow::builder()
.application(adw_app)
.width_request(800)
.height_request(600)
.build();
let current_view = if app.database.read().unwrap().is_none() {
WelcomeView::new().upcast()
} else {
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HistoricalView::new().upcast()
};
let stylesheet = String::from_utf8(
resources_lookup_data(
&format!("{}style.css", RESOURCE_BASE_PATH),
gio::ResourceLookupFlags::NONE,
)
.expect("stylesheet must be available in the resources")
.to_vec(),
)
.expect("to parse stylesheet");
let provider = gtk::CssProvider::new();
provider.load_from_data(&stylesheet);
let context = window.style_context();
context.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
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let header = adw::HeaderBar::builder()
.title_widget(&gtk::Label::new(Some("FitnessTrax")))
.build();
let layout = gtk::Box::builder()
.orientation(gtk::Orientation::Vertical)
.build();
layout.append(&header);
layout.append(&current_view);
window.set_content(Some(&layout));
window.present();
let s = Self {
app,
window,
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layout,
current_view: RefCell::new(current_view),
};
s
}
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// Switch views.
//
// This function only replaces the old view with the one which matches the current view state.
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// It is responsible for ensuring that the new view goes into the layout in the correct
// position.
fn change_view(&self, view: gtk::Widget) {
let mut current_view = self.current_view.borrow_mut();
self.layout.remove(&*current_view);
*current_view = view;
self.layout.append(&*current_view);
}
}
fn main() {
// I still don't fully understand gio resources. resources_register_include! is convenient
// because I don't have to deal with filesystem locations at runtime. However, I think other
// GTK applications do that rather than compiling the resources directly into the app. So, I'm
// unclear as to how I want to handle this.
gio::resources_register_include!("com.luminescent-dreams.fitnesstrax.gresource")
.expect("to register resources");
let app_id = if std::env::var_os("ENV") == Some("dev".into()) {
APP_ID_DEV
} else {
APP_ID_PROD
};
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let settings = gio::Settings::new(app_id);
println!("database path: {}", settings.string("series-path"));
let app = App::new();
/*
let runtime = tokio::runtime::Builder::new_multi_thread()
.enable_all()
.build()
.unwrap();
*/
let adw_app = adw::Application::builder()
.application_id(app_id)
.resource_base_path(RESOURCE_BASE_PATH)
.build();
adw_app.connect_activate(move |adw_app| {
AppWindow::new(adw_app, app.clone());
});
let args: Vec<String> = env::args().collect();
ApplicationExtManual::run_with_args(&adw_app, &args);
}