Support rebinding gamepad inputs

src/app.rs

@@ -8,7 +8,7 @@ use egui::{
 use gilrs::{EventType, Gilrs};
 use winit::{
     application::ApplicationHandler,
-    event::{KeyEvent, WindowEvent},
+    event::WindowEvent,
     event_loop::{ActiveEventLoop, EventLoopProxy},
     window::Window,
 };
@@ -83,7 +83,7 @@ impl ApplicationHandler<UserEvent> for Application {
         match &event {
             WindowEvent::KeyboardInput { event, .. } => {
                 self.controllers.handle_key_event(event);
-                viewport.handle_key_event(event);
+                viewport.app.handle_key_event(event);
             }
             WindowEvent::Focused(new_focused) => {
                 self.focused = new_focused.then_some(viewport_id);
@@ -143,7 +143,17 @@ impl ApplicationHandler<UserEvent> for Application {
 
     fn user_event(&mut self, event_loop: &ActiveEventLoop, event: UserEvent) {
         match event {
-            UserEvent::GamepadEvent(event) => self.controllers.handle_gamepad_event(&event),
+            UserEvent::GamepadEvent(event) => {
+                self.controllers.handle_gamepad_event(&event);
+                let Some(viewport) = self
+                    .focused
+                    .as_ref()
+                    .and_then(|id| self.viewports.get_mut(id))
+                else {
+                    return;
+                };
+                viewport.app.handle_gamepad_event(&event);
+            }
             UserEvent::OpenInput => {
                 let input = InputWindow::new(self.mappings.clone());
                 self.open(event_loop, Box::new(input));
@@ -248,10 +258,6 @@ impl Viewport {
         }
     }
 
-    pub fn handle_key_event(&mut self, event: &KeyEvent) {
-        self.app.handle_key_event(event);
-    }
-
     fn redraw(&mut self, event_loop: &ActiveEventLoop) -> Option<Action> {
         let mut input = self.state.take_egui_input(&self.window);
         input.viewports = std::iter::once((ViewportId::ROOT, self.info.clone())).collect();