Write up a Pie Chart widget

Cargo.lock

@@ -341,6 +341,7 @@ dependencies = [
  "gtk4",
  "ifc",
  "lazy_static",
+ "libadwaita",
  "memorycache",
  "reqwest",
  "serde",
@@ -1263,6 +1264,39 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
 
+[[package]]
+name = "libadwaita"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ab9c0843f9f23ff25634df2743690c3a1faffe0a190e60c490878517eb81abf"
+dependencies = [
+ "bitflags 1.3.2",
+ "gdk-pixbuf",
+ "gdk4",
+ "gio",
+ "glib",
+ "gtk4",
+ "libadwaita-sys",
+ "libc",
+ "pango",
+]
+
+[[package]]
+name = "libadwaita-sys"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4231cb2499a9f0c4cdfa4885414b33e39901ddcac61150bc0bb4ff8a57ede404"
+dependencies = [
+ "gdk4-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "gtk4-sys",
+ "libc",
+ "pango-sys",
+ "system-deps",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.147"

dashboard/Cargo.toml

@@ -6,6 +6,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+adw                 = { package = "libadwaita", version = "0.4", features = ["v1_3"] }
 cairo-rs            = { version = "0.17" }
 chrono              = { version = "0.4", features = ["serde"] }
 fluent-ergonomics   = { path = "../fluent-ergonomics/" }

dashboard/src/main.rs

@@ -9,7 +9,10 @@ use chrono::{Datelike, Duration, NaiveTime};
 use glib::Object;
 use gtk::{prelude::*, subclass::prelude::*, Orientation};
 use ifc::IFC;
-use std::{cell::RefCell, f64::consts::PI, ops::Deref, rc::Rc};
+use std::{cell::RefCell, env, f64::consts::PI, ops::Deref, rc::Rc};
+
+mod ui;
+use ui::{Color, PieChart, Wedge};
 
 /*
 use geo_types::{Latitude, Longitude};
@@ -187,6 +190,12 @@ glib::wrapper! {
 impl Date {
     fn new() -> Self {
         let s: Self = Object::builder().build();
+        s.add_css_class("card");
+        s.add_css_class("activatable");
+        s.set_margin_bottom(8);
+        s.set_margin_top(8);
+        s.set_margin_start(8);
+        s.set_margin_end(8);
 
         let dt = IFC::from(chrono::Local::now().date_naive().with_year(12023).unwrap());
         s.append(&gtk::Label::new(Some(
@@ -203,56 +212,79 @@ impl Date {
     }
 }
 
-#[derive(Default)]
+pub struct TransitClockPrivate {
-pub struct ClockPrivate {
     info: Rc<RefCell<Option<SunMoon>>>,
+    chart: Rc<RefCell<PieChart>>,
+}
+
+impl Default for TransitClockPrivate {
+    fn default() -> Self {
+        Self {
+            info: Rc::new(RefCell::new(None)),
+            chart: Rc::new(RefCell::new(PieChart::builder().rotation(-PI / 2.).build())),
+        }
+    }
 }
 
 #[glib::object_subclass]
-impl ObjectSubclass for ClockPrivate {
+impl ObjectSubclass for TransitClockPrivate {
-    const NAME: &'static str = "Clock";
+    const NAME: &'static str = "TransitClock";
-    type Type = Clock;
+    type Type = TransitClock;
-    type ParentType = gtk::DrawingArea;
+    type ParentType = gtk::Box;
 }
 
-impl ObjectImpl for ClockPrivate {}
+impl ObjectImpl for TransitClockPrivate {}
-impl WidgetImpl for ClockPrivate {}
+impl WidgetImpl for TransitClockPrivate {}
-impl DrawingAreaImpl for ClockPrivate {}
+impl BoxImpl for TransitClockPrivate {}
 
 glib::wrapper! {
-    pub struct Clock(ObjectSubclass<ClockPrivate>) @extends gtk::DrawingArea, gtk::Widget;
+    pub struct TransitClock(ObjectSubclass<TransitClockPrivate>) @extends gtk::Box, gtk::Widget;
 }
 
-impl Clock {
+impl TransitClock {
     pub fn new(sun_moon_info: SunMoon) -> Self {
         let s: Self = Object::builder().build();
         s.set_width_request(500);
         s.set_height_request(500);
 
+        {
+            let mut chart = s.imp().chart.borrow_mut();
+            s.append(&*chart);
+            {
+                let full_day = Duration::days(1).num_seconds() as f64;
+                let sunrise = sun_moon_info.sunrise - NaiveTime::from_hms_opt(0, 0, 0).unwrap();
+                let sunset = sun_moon_info.sunset - NaiveTime::from_hms_opt(0, 0, 0).unwrap();
+
+                println!("{:?} -> {:?}", sunrise, sunset);
+
+                chart.add_wedge(Wedge {
+                    start_angle: (PI * 2.) * sunset.num_seconds() as f64 / full_day,
+                    end_angle: (PI * 2.) * sunrise.num_seconds() as f64 / full_day,
+                    color: Color {
+                        r: 0.1,
+                        g: 0.1,
+                        b: 0.8,
+                    },
+                });
+            }
+        }
+
         *s.imp().info.borrow_mut() = Some(sun_moon_info);
+
+        /*
         s.set_draw_func({
             let s = s.clone();
             move |_, context, width, height| {
                 let info = s.imp().info.borrow();
 
-                // context.set_source_rgb(240., 240., 240.);
+                context.set_source_rgba(0., 0., 0., 0.);
-                context.set_source_rgb(0., 0., 0.);
                 let _ = context.paint();
 
-                context.set_line_width(5.);
+                context.set_line_width(2.);
                 context.set_source_rgb(0.7, 0., 0.9);
                 context.arc(width as f64 / 2., height as f64 / 2., 200., 0., PI * 2.);
                 let _ = context.stroke();
 
-                (0..24).for_each(|hour| {
-                    context.translate(width as f64 / 2., height as f64 / 2.);
-                    context.rotate(PI / 12. * hour as f64);
-                    context.move_to(210., 0.);
-                    context.line_to(230., 0.);
-                    context.identity_matrix();
-                    let _ = context.stroke();
-                });
-
                 if let Some(info) = info.deref() {
                     context.move_to(width as f64 / 2., height as f64 / 2.);
                     let full_day = Duration::days(1).num_seconds() as f64;
@@ -266,13 +298,34 @@ impl Clock {
                     context.arc(width as f64 / 2., height as f64 / 2., 200., start, end);
                     let _ = context.fill();
                 }
+
+                (0..24).for_each(|hour| {
+                    context.translate(width as f64 / 2., height as f64 / 2.);
+                    context.rotate(PI / 12. * hour as f64);
+                    context.move_to(185., 0.);
+                    context.line_to(195., 0.);
+                    context.identity_matrix();
+                    let _ = context.stroke();
+                });
             }
         });
+        */
 
         s
     }
 }
 
+/*
+pub struct AppPrivate {
+}
+
+impl AppPrivate {
+    const NAME: &'static str = "App";
+    type Type = App;
+    type ParentType = adw::Application;
+}
+*/
+
 pub fn main() {
     /*
     let runtime = Arc::new(
@@ -284,6 +337,7 @@ pub fn main() {
     */
     let app = gtk::Application::builder()
         .application_id("com.luminescent-dreams.dashboard")
+        .resource_base_path("/com/luminescent-dreams/dashboard")
         .build();
 
     app.connect_activate(
@@ -294,22 +348,36 @@ pub fn main() {
 
             let layout = gtk::Box::builder()
                 .orientation(Orientation::Vertical)
+                .hexpand(true)
+                .vexpand(true)
                 .build();
             let date = Date::new();
-            let day = Clock::new(SunMoon {
+            layout.append(&date);
-                sunrise: NaiveTime::from_hms_opt(6, 0, 0).unwrap(),
+
-                sunset: NaiveTime::from_hms_opt(0, 0, 0).unwrap(),
+            let button = gtk::Button::builder()
+                .label("Text")
+                .margin_bottom(8)
+                .margin_top(8)
+                .margin_start(8)
+                .margin_end(8)
+                .build();
+            layout.append(&button);
+
+            let day = TransitClock::new(SunMoon {
+                sunrise: NaiveTime::from_hms_opt(7, 0, 0).unwrap(),
+                sunset: NaiveTime::from_hms_opt(22, 0, 0).unwrap(),
                 moonrise: NaiveTime::from_hms_opt(15, 0, 0),
                 moonset: NaiveTime::from_hms_opt(5, 0, 0),
                 moon_phase: LunarPhase::WaningCrescent,
             });
-            layout.append(&date);
             layout.append(&day);
+
             window.set_child(Some(&layout));
         },
     );
 
-    app.run();
+    let args: Vec<String> = env::args().collect();
+    ApplicationExtManual::run_with_args(&app, &args);
 
     /*
     let now = Local::now();

dashboard/src/ui/mod.rs

@@ -0,0 +1,2 @@
+mod pie_chart;
+pub use pie_chart::{Color, PieChart, Wedge};

dashboard/src/ui/pie_chart.rs

@@ -0,0 +1,141 @@
+use chrono::{Duration, NaiveTime};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::{cell::RefCell, f64::consts::PI, rc::Rc};
+
+#[derive(Clone, Debug)]
+pub struct Color {
+    pub r: f64,
+    pub g: f64,
+    pub b: f64,
+}
+
+#[derive(Clone, Debug)]
+pub struct Wedge {
+    pub start_angle: f64,
+    pub end_angle: f64,
+    pub color: Color,
+}
+
+#[derive(Default)]
+pub struct PieChartPrivate {
+    rotation: Rc<RefCell<f64>>,
+    wedges: Rc<RefCell<Vec<Wedge>>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for PieChartPrivate {
+    const NAME: &'static str = "PieChart";
+    type Type = PieChart;
+    type ParentType = gtk::DrawingArea;
+}
+
+impl ObjectImpl for PieChartPrivate {}
+impl WidgetImpl for PieChartPrivate {}
+impl DrawingAreaImpl for PieChartPrivate {}
+
+glib::wrapper! {
+    pub struct PieChart(ObjectSubclass<PieChartPrivate>) @extends gtk::DrawingArea, gtk::Widget;
+}
+
+impl PieChart {
+    pub fn new(builder: PieChartBuilder) -> Self {
+        let s: Self = Object::builder().build();
+        s.set_content_width(500);
+        s.set_content_height(500);
+
+        *s.imp().rotation.borrow_mut() = builder.rotation;
+        *s.imp().wedges.borrow_mut() = builder.wedges;
+
+        s.set_draw_func({
+            let s = s.clone();
+            move |_, context, width, height| {
+                println!("redrawing: {} {}", width, height);
+                let radius = width.min(height) as f64 / 2. * 0.9;
+                let center_x = (width / 2) as f64;
+                let center_y = (height / 2) as f64;
+
+                let rotation = s.imp().rotation.borrow().clone();
+                let wedges = s.imp().wedges.borrow().clone();
+
+                context.set_source_rgba(0., 0., 0., 0.);
+                let _ = context.paint();
+
+                context.set_line_width(2.);
+
+                wedges.iter().for_each(
+                    |Wedge {
+                         start_angle,
+                         end_angle,
+                         color,
+                     }| {
+                        println!(
+                            "wedge: {:.02?} {:.02?} {:.02?}",
+                            start_angle, end_angle, color
+                        );
+                        println!(
+                            "wedge: {:.02?} {:.02?} [{:.02?}]",
+                            start_angle + rotation,
+                            end_angle + rotation,
+                            rotation
+                        );
+                        context.move_to(center_x, center_y);
+                        context.set_source_rgb(color.r, color.g, color.b);
+                        context.arc(
+                            center_x,
+                            center_y,
+                            radius,
+                            start_angle + rotation,
+                            end_angle + rotation,
+                        );
+                        let _ = context.fill();
+                    },
+                );
+
+                context.set_source_rgb(1., 1., 1.);
+                context.arc(center_x, center_y, radius, 0., 2. * PI);
+                let _ = context.stroke();
+            }
+        });
+
+        s
+    }
+
+    pub fn set_rotation(&mut self, rotation: f64) {
+        *self.imp().rotation.borrow_mut() = rotation;
+        self.queue_draw();
+    }
+
+    pub fn add_wedge(&mut self, wedge: Wedge) {
+        (*self.imp().wedges.borrow_mut()).push(wedge);
+        self.queue_draw();
+    }
+
+    pub fn builder() -> PieChartBuilder {
+        PieChartBuilder {
+            rotation: 0.,
+            wedges: vec![],
+        }
+    }
+}
+
+pub struct PieChartBuilder {
+    rotation: f64,
+    wedges: Vec<Wedge>,
+}
+
+impl PieChartBuilder {
+    pub fn rotation(mut self, rotation: f64) -> Self {
+        self.rotation = rotation;
+        self
+    }
+
+    pub fn wedges(mut self, wedges: Vec<Wedge>) -> Self {
+        self.wedges = wedges;
+        self
+    }
+
+    pub fn build(self) -> PieChart {
+        PieChart::new(self)
+    }
+}

flake.lock

@@ -51,16 +51,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1688392541,
+        "lastModified": 1691421349,
-        "narHash": "sha256-lHrKvEkCPTUO+7tPfjIcb7Trk6k31rz18vkyqmkeJfY=",
+        "narHash": "sha256-RRJyX0CUrs4uW4gMhd/X4rcDG8PTgaaCQM5rXEJOx6g=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b",
+        "rev": "011567f35433879aae5024fc6ec53f2a0568a6c4",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.05",
         "type": "indirect"
       }
     },

flake.nix

@@ -2,7 +2,7 @@
   description = "Lumenescent Dreams Tools";
 
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-22.11";
+    nixpkgs.url = "nixpkgs/nixos-23.05";
     unstable.url = "nixpkgs/nixos-unstable";
     pkgs-cargo2nix.url = "github:cargo2nix/cargo2nix";
     typeshare.url = "github:1Password/typeshare";