Elaborate a little more on the welcome dialog

Cargo.lock

@@ -976,6 +976,7 @@ checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
 name = "fitnesstrax"
 version = "0.1.0"
 dependencies = [
+ "emseries",
  "ft-core",
  "gio",
  "glib",

fitnesstrax/app/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 adw             = { version = "0.5", package = "libadwaita", features = [ "v1_2" ] }
+emseries        = { path = "../../emseries" }
 ft-core         = { path = "../core" }
 gio             = { version = "0.18" }
 glib            = { version = "0.18" }

fitnesstrax/app/src/main.rs

@@ -1,16 +1,224 @@
+/*
+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/>.
+*/
+
+mod ui;
+
+use adw::prelude::*;
+use emseries::Series;
+use ft_core::TraxRecord;
 use gio::resources_lookup_data;
-use gtk::{prelude::*, STYLE_PROVIDER_PRIORITY_USER};
-use std::env;
+use glib::Object;
+use gtk::{subclass::prelude::*, STYLE_PROVIDER_PRIORITY_USER};
+use std::{
+    env,
+    sync::{Arc, RwLock},
+};
+use ui::{welcome_modal, Modal};
 
 const APP_ID_DEV: &str = "com.luminescent-dreams.fitnesstrax.dev";
 const APP_ID_PROD: &str = "com.luminescent-dreams.fitnesstrax";
 
 const RESOURCE_BASE_PATH: &str = "/com/luminescent-dreams/fitnesstrax/";
 
-struct AppState {}
+/// 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)),
+        }
+    }
+}
+
+pub struct UnconfiguredViewPrivate {}
+
+#[glib::object_subclass]
+impl ObjectSubclass for UnconfiguredViewPrivate {
+    const NAME: &'static str = "UnconfiguredView";
+    type Type = UnconfiguredView;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        Self {}
+    }
+}
+
+impl ObjectImpl for UnconfiguredViewPrivate {}
+impl WidgetImpl for UnconfiguredViewPrivate {}
+impl BoxImpl for UnconfiguredViewPrivate {}
+
+glib::wrapper! {
+    pub struct UnconfiguredView(ObjectSubclass<UnconfiguredViewPrivate>) @extends gtk::Box, gtk::Widget;
+}
+
+impl UnconfiguredView {
+    pub fn new() -> Self {
+        let s: Self = Object::builder().build();
+
+        let label = gtk::Label::builder()
+            .label("Database is not configured.")
+            .build();
+        s.append(&label);
+        s
+    }
+}
+
+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
+    }
+}
+
+// window setup...
+// main window with all of its layout
+// modals that overlay atop the main window and capture focus
+// menus
+// There is more than one view for the main window. There's the view for data entry, then another
+// view for showing graphs. Then a third view, or maybe a modal, for editing a day.
+//
+// So, the ordinary data view is the history the metrics, and the calendar. Scrollable, and items
+// within the scrolling area can be clicked upon in order to open the edit.
+//
+// I don't need to model the whole thing at once. The graphs will be some time out, and so I can
+// model just the main view, which consists of metrics, the data, and the calendar. Day entries
+// should be summaries of the day, expandable to the details.
+//
+// Then there is the view which notifies the user that the database has not been configured.
+
+/// These are the possible states of the main application view.
+enum MainView {
+    /// The application is not configured yet. This is a basic background widget to take up the
+    /// space when there is no data to be shown.
+    Unconfigured(UnconfiguredView),
+
+    /// The Historical view shows a history of records and whatnot.
+    HistoricalView(HistoricalView),
+}
+
+/// The application window, or the main window, is the main user interface for the app.
 struct AppWindow {
+    app: App,
     window: adw::ApplicationWindow,
+    overlay: gtk::Overlay,
+    current_view: MainView,
+}
+
+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 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 window = adw::ApplicationWindow::builder()
+            .application(adw_app)
+            .width_request(800)
+            .height_request(600)
+            .build();
+
+        let context = window.style_context();
+        context.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
+
+        window.present();
+
+        // GTK overlays aren't all that well documented. The Overlay object needs to be the
+        // content/child of the window. The main content should then be added to the overlay as
+        // `add_overlay`. The overlays/modals should be added as `set_child`.
+        let overlay = gtk::Overlay::new();
+        window.set_content(Some(&overlay));
+
+        let current_view = if app.database.read().unwrap().is_none() {
+            let view = UnconfiguredView::new();
+            overlay.set_child(Some(&view));
+
+            // I have to access the overlay directly here because I haven't fully constructed Self
+            // yet, and so I don't have access to `open_modal` yet.
+            overlay.add_overlay(&welcome_modal());
+
+            MainView::Unconfigured(view)
+        } else {
+            let view = HistoricalView::new();
+            overlay.set_child(Some(&view));
+
+            MainView::HistoricalView(view)
+        };
+
+        Self {
+            app,
+            window,
+            overlay,
+            current_view,
+        }
+    }
+
+    /// Use [modal] as a modal overlay of the application window.
+    fn open_modal(&self, modal: Modal) {
+        self.overlay.set_child(Some(&modal));
+    }
+
+    /// Close the modal by discarding the component.
+    fn close_modal(&self) {
+        let none: Option<&gtk::Widget> = None;
+        self.overlay.set_child(none);
+    }
 }
 
 fn main() {
@@ -31,11 +239,13 @@ fn main() {
 
     println!("database path: {}", settings.string("series-path"));
 
-    let app = adw::Application::builder()
+    let adw_app = adw::Application::builder()
         .application_id(app_id)
         .resource_base_path(RESOURCE_BASE_PATH)
         .build();
 
+    let app = App::new();
+
     /*
     let runtime = tokio::runtime::Builder::new_multi_thread()
         .enable_all()
@@ -43,32 +253,15 @@ fn main() {
         .unwrap();
         */
 
-    let app = adw::Application::builder()
+    let adw_app = adw::Application::builder()
         .application_id(app_id)
         .resource_base_path(RESOURCE_BASE_PATH)
         .build();
 
-    app.connect_activate(move |app| {
-        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 window = adw::ApplicationWindow::new(app);
-        let context = window.style_context();
-        context.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
-
-        window.present();
+    adw_app.connect_activate(move |adw_app| {
+        AppWindow::new(adw_app, app.clone());
     });
 
     let args: Vec<String> = env::args().collect();
-    ApplicationExtManual::run_with_args(&app, &args);
+    ApplicationExtManual::run_with_args(&adw_app, &args);
 }

fitnesstrax/app/src/ui/mod.rs

@@ -0,0 +1,2 @@
+mod modal;
+pub use modal::{welcome_modal, Modal};

fitnesstrax/app/src/ui/modal.rs

@@ -0,0 +1,127 @@
+//! The Modal is a reusable component with a title, arbitrary content, and up to three action
+//! buttons. It does not itself enforce being a modal, but is meant to become a child of an Overlay
+//! component.
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::cell::RefCell;
+
+pub struct ModalPrivate {
+    title: gtk::Label,
+    content: RefCell<gtk::Widget>,
+    primary_action: RefCell<gtk::Button>,
+    secondary_action: RefCell<Option<gtk::Button>>,
+    tertiary_action: RefCell<Option<gtk::Button>>,
+
+    footer: gtk::Box,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for ModalPrivate {
+    const NAME: &'static str = "Modal";
+    type Type = Modal;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        let title = gtk::Label::builder().label("Modal").build();
+        let content = gtk::Box::new(gtk::Orientation::Vertical, 0);
+        let actions = gtk::Box::new(gtk::Orientation::Horizontal, 0);
+        let primary_action = gtk::Button::builder().label("Primary").build();
+
+        let footer = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .hexpand(true)
+            .build();
+        footer.append(&primary_action);
+
+        Self {
+            title,
+            content: RefCell::new(content.upcast()),
+            primary_action: RefCell::new(primary_action),
+            secondary_action: RefCell::new(None),
+            tertiary_action: RefCell::new(None),
+
+            footer,
+        }
+    }
+}
+
+impl ObjectImpl for ModalPrivate {}
+impl WidgetImpl for ModalPrivate {}
+impl BoxImpl for ModalPrivate {}
+
+glib::wrapper! {
+    pub struct Modal(ObjectSubclass<ModalPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl Modal {
+    pub fn new() -> Self {
+        let s: Self = Object::builder().build();
+
+        s.set_margin_start(100);
+        s.set_margin_end(100);
+        s.set_margin_top(100);
+        s.set_margin_bottom(100);
+        s.set_orientation(gtk::Orientation::Vertical);
+
+        s.append(&s.imp().title);
+        s.append(&*s.imp().content.borrow());
+        s.append(&s.imp().footer);
+
+        s
+    }
+
+    pub fn set_title(&self, text: &str) {
+        self.imp().title.set_text(text);
+    }
+
+    pub fn set_content(&self, content: gtk::Widget) {
+        self.remove(&*self.imp().content.borrow());
+        self.insert_child_after(&content, Some(&self.imp().title));
+        *self.imp().content.borrow_mut() = content;
+    }
+
+    pub fn set_primary_action(&self, action: gtk::Button) {
+        self.imp()
+            .footer
+            .remove(&*self.imp().primary_action.borrow());
+        *self.imp().primary_action.borrow_mut() = action;
+        self.imp()
+            .footer
+            .append(&*self.imp().primary_action.borrow());
+    }
+}
+
+/// The welcome modal is the first thing the user will see when FitnessTrax starts up if the
+/// database has not been configured yet.
+///
+/// This is a [Modal] component with all of the welcome content.
+pub fn welcome_modal() -> Modal {
+    let modal = Modal::new();
+    modal.set_title("Welcome to FitnessTrax");
+
+    // The content should be a friendly dialog that explains to the user that they're going to set
+    // up the database.
+    let content = gtk::Box::builder()
+        .orientation(gtk::Orientation::Vertical)
+        .build();
+
+    content.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());
+
+    modal.set_content(content.upcast());
+    modal.set_primary_action(gtk::Button::builder().label("Save Settings").build());
+    modal
+}

fitnesstrax/core/src/lib.rs

@@ -4,3 +4,4 @@ use emseries::DateTimeTz;
 
 mod legacy;
 mod types;
+pub use types::TraxRecord;