Basic popup code

alarm_widg/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    slint_build::compile("ui/widget-popup.slint").unwrap();
+}

alarm_widg/src/main.rs

@@ -1,3 +1,6 @@
-fn main() {
-    println!("Hello, world!");
+mod show_popup;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    show_popup::show_popup()?;
+    Ok(())
 }

alarm_widg/src/show_popup.rs

@@ -0,0 +1,58 @@
+use slint::{Color, LogicalPosition, LogicalSize, SharedString};
+
+use i_slint_backend_winit::{
+    Backend,
+    winit::{
+        platform::x11::{WindowAttributesExtX11, WindowType},
+        window::WindowAttributes,
+    },
+};
+
+slint::include_modules!();
+
+fn set_ui_props(ui: &MainWindow) {
+	// Window placement
+    ui.window().set_position(LogicalPosition::new(200.0, 35.0));
+
+    // Window size
+    ui.window().set_size(LogicalSize::new(300.0, 124.0));
+
+	// Alarm properties
+    ui.set_alarm_name(SharedString::from("Sample alarm"));
+    ui.set_alarm_time(SharedString::from("11:45AM"));
+    ui.set_alarm_color(Color::from_argb_encoded(0xff232323));
+    ui.set_popup_width(300);
+    ui.set_popup_height(124);
+    ui.set_default_font(SharedString::from("IosevkaTermSlab Nerd Font Mono"));
+    ui.set_alarm_icon(SharedString::from("🕓"));
+}
+
+pub fn show_popup() -> Result<(), Box<dyn std::error::Error>> {
+    // Closure to configure X11 window attributes before Slint creates the window.
+    let window_attrs = |attrs: WindowAttributes| {
+        attrs
+            // Present the window as a dock so most WMs avoid decorations and normal window rules.
+            .with_x11_window_type(vec![WindowType::Dock])
+            // Make the window unmanaged. This prevents tiling WMs from reserving space or moving it.
+            .with_override_redirect(true)
+    };
+
+    // Build a Slint backend that applies this attribute hook to all windows.
+    let backend = Backend::builder()
+        .with_window_attributes_hook(window_attrs) // Register the hook
+        .build()?; // Construct backend
+
+    // Activate this customized backend for all Slint window creation and events.
+    slint::platform::set_platform(Box::new(backend))?;
+
+    // Create window
+    let ui = MainWindow::new()?;
+
+    // Send the alarm data to the UI as properties
+    set_ui_props(&ui);
+
+    // Run the UI
+    ui.run()?;
+
+    Ok(())
+}