From 911f801ece9d077e057744a23c8ec6654301a456 Mon Sep 17 00:00:00 2001
From: drendog <dwenya@dren.dog>
Date: Fri, 14 Nov 2025 22:42:57 +0100
Subject: [PATCH] refactor: remove unused event bus

---
 .../src/wayland/surfaces/event_bus.rs         | 31 -------------------
 .../src/wayland/surfaces/event_context.rs     | 24 --------------
 crates/adapters/src/wayland/surfaces/mod.rs   |  2 --
 .../src/wayland/surfaces/window_events.rs     | 21 -------------
 4 files changed, 78 deletions(-)
 delete mode 100644 crates/adapters/src/wayland/surfaces/event_bus.rs
 delete mode 100644 crates/adapters/src/wayland/surfaces/window_events.rs

diff --git a/crates/adapters/src/wayland/surfaces/event_bus.rs b/crates/adapters/src/wayland/surfaces/event_bus.rs
deleted file mode 100644
index 84ada31..0000000
--- a/crates/adapters/src/wayland/surfaces/event_bus.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-use super::window_events::WindowStateEvent;
-use std::cell::RefCell;
-use std::rc::Rc;
-
-type EventHandlerFn = Box<dyn Fn(&WindowStateEvent)>;
-
-#[derive(Clone)]
-pub struct EventBus {
-    handlers: Rc<RefCell<Vec<EventHandlerFn>>>,
-}
-
-impl Default for EventBus {
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-impl EventBus {
-    pub fn new() -> Self {
-        Self {
-            handlers: Rc::new(RefCell::new(Vec::new())),
-        }
-    }
-
-    pub fn publish(&self, event: &WindowStateEvent) {
-        let handlers = self.handlers.borrow();
-        for handler in handlers.iter() {
-            handler(event);
-        }
-    }
-}
diff --git a/crates/adapters/src/wayland/surfaces/event_context.rs b/crates/adapters/src/wayland/surfaces/event_context.rs
index 51b9d14..10acd54 100644
--- a/crates/adapters/src/wayland/surfaces/event_context.rs
+++ b/crates/adapters/src/wayland/surfaces/event_context.rs
@@ -1,8 +1,6 @@
 use crate::rendering::femtovg::main_window::FemtoVGWindow;
 use crate::wayland::surfaces::display_metrics::SharedDisplayMetrics;
-use crate::wayland::surfaces::event_bus::EventBus;
 use crate::wayland::surfaces::popup_manager::{ActiveWindow, PopupManager};
-use crate::wayland::surfaces::window_events::{ScaleSource, WindowStateEvent};
 use slint::platform::{WindowAdapter, WindowEvent};
 use slint::{LogicalPosition, PhysicalSize};
 use std::cell::Cell;
@@ -40,7 +38,6 @@ pub struct EventContext {
     main_window: Rc<FemtoVGWindow>,
     main_surface_id: ObjectId,
     popup_manager: Option<Rc<PopupManager>>,
-    event_bus: EventBus,
     display_metrics: SharedDisplayMetrics,
     current_pointer_position: LogicalPosition,
     last_pointer_serial: u32,
@@ -58,7 +55,6 @@ impl EventContext {
             main_window,
             main_surface_id,
             popup_manager: None,
-            event_bus: EventBus::new(),
             display_metrics,
             current_pointer_position: LogicalPosition::new(0.0, 0.0),
             last_pointer_serial: 0,
@@ -68,8 +64,6 @@ impl EventContext {
 
     pub fn set_popup_manager(&mut self, popup_manager: Rc<PopupManager>) {
         self.popup_manager = Some(popup_manager);
-        self.event_bus
-            .publish(&WindowStateEvent::PopupConfigurationChanged);
     }
 
     pub const fn popup_manager(&self) -> Option<&Rc<PopupManager>> {
@@ -92,12 +86,6 @@ impl EventContext {
             popup_manager.update_scale_factor(new_scale_factor);
         }
 
-        self.event_bus
-            .publish(&WindowStateEvent::ScaleFactorChanged {
-                new_scale: new_scale_factor,
-                source: ScaleSource::FractionalScale,
-            });
-
         new_scale_factor
     }
 
@@ -119,12 +107,6 @@ impl EventContext {
             )
         };
         self.current_pointer_position = logical_position;
-
-        self.event_bus
-            .publish(&WindowStateEvent::PointerPositionChanged {
-                physical_x,
-                physical_y,
-            });
     }
 
     pub const fn last_pointer_serial(&self) -> u32 {
@@ -136,9 +118,6 @@ impl EventContext {
         if let Some(ref shared_serial) = self.shared_pointer_serial {
             shared_serial.update(serial);
         }
-
-        self.event_bus
-            .publish(&WindowStateEvent::PointerSerialUpdated { serial });
     }
 
     pub fn set_shared_pointer_serial(&mut self, shared_serial: Rc<SharedPointerSerial>) {
@@ -165,9 +144,6 @@ impl EventContext {
         if let Some(popup_manager) = &self.popup_manager {
             popup_manager.update_output_size(output_size);
         }
-
-        self.event_bus
-            .publish(&WindowStateEvent::OutputSizeChanged { output_size });
     }
 
     pub fn update_scale_for_fractional_scale_object(
diff --git a/crates/adapters/src/wayland/surfaces/mod.rs b/crates/adapters/src/wayland/surfaces/mod.rs
index ae4c36c..48c0fd6 100644
--- a/crates/adapters/src/wayland/surfaces/mod.rs
+++ b/crates/adapters/src/wayland/surfaces/mod.rs
@@ -1,7 +1,6 @@
 pub mod component_state;
 pub mod dimensions;
 pub mod display_metrics;
-pub mod event_bus;
 pub mod event_context;
 pub mod layer_surface;
 pub mod popup_manager;
@@ -9,5 +8,4 @@ pub mod popup_surface;
 pub mod rendering_state;
 pub mod surface_builder;
 pub mod surface_state;
-pub mod window_events;
 pub mod window_renderer;
diff --git a/crates/adapters/src/wayland/surfaces/window_events.rs b/crates/adapters/src/wayland/surfaces/window_events.rs
deleted file mode 100644
index 07ed6c3..0000000
--- a/crates/adapters/src/wayland/surfaces/window_events.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-use slint::PhysicalSize;
-
-#[allow(dead_code)]
-#[derive(Debug, Clone)]
-pub enum WindowStateEvent {
-    ScaleFactorChanged { new_scale: f32, source: ScaleSource },
-
-    OutputSizeChanged { output_size: PhysicalSize },
-
-    PointerPositionChanged { physical_x: f64, physical_y: f64 },
-
-    PointerSerialUpdated { serial: u32 },
-
-    PopupConfigurationChanged,
-}
-
-#[allow(dead_code)]
-#[derive(Debug, Clone, Copy)]
-pub enum ScaleSource {
-    FractionalScale,
-}