chore: initial commit

src/modules/clock/mod.rs

@@ -0,0 +1,71 @@
+mod popup;
+
+use self::popup::Popup;
+use crate::modules::{Module, ModuleInfo};
+use crate::popup::PopupAlignment;
+use chrono::Local;
+use glib::Continue;
+use gtk::prelude::*;
+use gtk::{Button, Orientation};
+use serde::Deserialize;
+use tokio::spawn;
+use tokio::time::sleep;
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct ClockModule {
+    /// Date/time format string.
+    /// Default: `%d/%m/%Y %H:%M`
+    ///
+    /// Detail on available tokens can be found here:
+    /// <https://docs.rs/chrono/latest/chrono/format/strftime/index.html>
+    #[serde(default = "default_format")]
+    pub(crate) format: String,
+}
+
+fn default_format() -> String {
+    String::from("%d/%m/%Y %H:%M")
+}
+
+impl Module<Button> for ClockModule {
+    fn into_widget(self, info: &ModuleInfo) -> Button {
+        let button = Button::new();
+
+        let popup = Popup::new("popup-clock", info.app, Orientation::Vertical);
+        popup.add_clock_widgets();
+
+        button.show_all();
+
+        button.connect_clicked(move |button| {
+            let button_w = button.allocation().width();
+
+            let (button_x, _) = button
+                .translate_coordinates(&button.toplevel().unwrap(), 0, 0)
+                .unwrap();
+
+            popup.show();
+            popup.set_pos(f64::from(button_x + button_w), PopupAlignment::Right);
+        });
+
+        let (tx, rx) = glib::MainContext::channel(glib::PRIORITY_DEFAULT);
+        spawn(async move {
+            let format = self.format.as_str();
+            loop {
+                let date = Local::now();
+                let date_string = format!("{}", date.format(format));
+
+                tx.send(date_string).unwrap();
+                sleep(tokio::time::Duration::from_millis(500)).await;
+            }
+        });
+
+        {
+            let button = button.clone();
+            rx.attach(None, move |s| {
+                button.set_label(s.as_str());
+                Continue(true)
+            });
+        }
+
+        button
+    }
+}