Graphical fixes

src/app.rs

@@ -2,7 +2,8 @@ use std::{collections::HashSet, num::NonZero, sync::Arc, thread};
 
 use egui::{
     ahash::{HashMap, HashMapExt},
-    Context, TextWrapMode, ViewportBuilder, ViewportCommand, ViewportId, ViewportInfo,
+    Context, FontData, FontDefinitions, FontFamily, TextWrapMode, ViewportBuilder, ViewportCommand,
+    ViewportId, ViewportInfo,
 };
 use gilrs::{EventType, Gilrs};
 use winit::{
@@ -89,20 +90,37 @@ impl ApplicationHandler<UserEvent> for Application {
             }
             _ => {}
         }
+        let mut queue_redraw = false;
+        let mut inactive_viewports = HashSet::new();
         match viewport.on_window_event(event) {
             Some(Action::Redraw) => {
                 for viewport in self.viewports.values_mut() {
-                    viewport.redraw(event_loop);
+                    match viewport.redraw(event_loop) {
+                        Some(Action::Redraw) => {
+                            queue_redraw = true;
+                        }
+                        Some(Action::Close) => {
+                            inactive_viewports.insert(viewport.id());
+                        }
+                        None => {}
+                    }
                 }
             }
             Some(Action::Close) => {
-                self.viewports.remove(&viewport_id);
-                if viewport_id == ViewportId::ROOT {
-                    event_loop.exit();
-                }
+                inactive_viewports.insert(viewport_id);
             }
             None => {}
         }
+        self.viewports
+            .retain(|k, _| !inactive_viewports.contains(k));
+        match self.viewports.get(&ViewportId::ROOT) {
+            Some(viewport) => {
+                if queue_redraw {
+                    viewport.window.request_redraw();
+                }
+            }
+            None => event_loop.exit(),
+        }
     }
 
     fn device_event(
@@ -165,6 +183,17 @@ impl Viewport {
         );
 
         let ctx = Context::default();
+        let mut fonts = FontDefinitions::empty();
+        fonts.font_data.insert(
+            "Selawik".into(),
+            FontData::from_static(include_bytes!("../assets/selawik.ttf")),
+        );
+        fonts
+            .families
+            .get_mut(&FontFamily::Proportional)
+            .unwrap()
+            .insert(0, "Selawik".into());
+        ctx.set_fonts(fonts);
         ctx.style_mut(|s| {
             s.wrap_mode = Some(TextWrapMode::Extend);
             s.visuals.menu_rounding = Default::default();
@@ -242,7 +271,7 @@ impl Viewport {
         self.state
             .handle_platform_output(&self.window, output.platform_output);
 
-        let Some(viewport_output) = output.viewport_output.remove(&ViewportId::ROOT) else {
+        let Some(mut viewport_output) = output.viewport_output.remove(&ViewportId::ROOT) else {
             return Some(Action::Close);
         };
 
@@ -255,6 +284,7 @@ impl Viewport {
             self.state = state;
         }
         self.commands.append(&mut deferred_commands);
+        self.commands.append(&mut viewport_output.commands);
         egui_winit::process_viewport_commands(
             &self.ctx,
             &mut self.info,