refactor: extract renderable window trait

adapters/src/rendering/femtovg/main_window.rs

@@ -1,3 +1,4 @@
+use super::renderable_window::{RenderState, RenderableWindow};
 use crate::errors::{RenderingError, Result};
 use core::ops::Deref;
 use log::info;
@@ -8,11 +9,6 @@ use slint::{
 use std::cell::Cell;
 use std::rc::{Rc, Weak};
 
-pub enum RenderState {
-    Clean,
-    Dirty,
-}
-
 pub struct FemtoVGWindow {
     window: Window,
     renderer: FemtoVGRenderer,
@@ -35,8 +31,10 @@ impl FemtoVGWindow {
             }
         })
     }
+}
 
-    pub fn render_frame_if_dirty(&self) -> Result<()> {
+impl RenderableWindow for FemtoVGWindow {
+    fn render_frame_if_dirty(&self) -> Result<()> {
         if matches!(
             self.render_state.replace(RenderState::Clean),
             RenderState::Dirty
@@ -50,16 +48,28 @@ impl FemtoVGWindow {
         Ok(())
     }
 
-    pub fn set_scale_factor(&self, scale_factor: f32) {
+    fn set_scale_factor(&self, scale_factor: f32) {
         info!("Setting scale factor to {scale_factor}");
         self.scale_factor.set(scale_factor);
         self.window()
             .dispatch_event(WindowEvent::ScaleFactorChanged { scale_factor });
     }
 
-    pub fn scale_factor(&self) -> f32 {
+    fn scale_factor(&self) -> f32 {
         self.scale_factor.get()
     }
+
+    fn render_state(&self) -> &Cell<RenderState> {
+        &self.render_state
+    }
+
+    fn size_cell(&self) -> &Cell<PhysicalSize> {
+        &self.size
+    }
+
+    fn scale_factor_cell(&self) -> &Cell<f32> {
+        &self.scale_factor
+    }
 }
 
 impl WindowAdapter for FemtoVGWindow {
@@ -72,18 +82,15 @@ impl WindowAdapter for FemtoVGWindow {
     }
 
     fn size(&self) -> PhysicalSize {
-        self.size.get()
+        self.size_impl()
     }
 
     fn set_size(&self, size: WindowSize) {
-        self.size.set(size.to_physical(self.scale_factor()));
-        self.window.dispatch_event(WindowEvent::Resized {
-            size: size.to_logical(self.scale_factor()),
-        });
+        self.set_size_impl(size);
     }
 
     fn request_redraw(&self) {
-        self.render_state.set(RenderState::Dirty);
+        RenderableWindow::request_redraw(self);
     }
 }
 

adapters/src/rendering/femtovg/mod.rs

@@ -1,2 +1,3 @@
 pub mod main_window;
 pub mod popup_window;
+pub mod renderable_window;

adapters/src/rendering/femtovg/popup_window.rs

@@ -1,3 +1,4 @@
+use super::renderable_window::{RenderState, RenderableWindow};
 use crate::errors::{RenderingError, Result};
 use crate::wayland::surfaces::popup_manager::{OnCloseCallback, PopupId};
 use core::ops::Deref;
@@ -10,8 +11,6 @@ use slint_interpreter::ComponentInstance;
 use std::cell::{Cell, OnceCell};
 use std::rc::{Rc, Weak};
 
-use super::main_window::RenderState;
-
 pub struct PopupWindow {
     window: Window,
     renderer: FemtoVGRenderer,
@@ -73,7 +72,35 @@ impl PopupWindow {
         info!("Popup window cleanup complete");
     }
 
-    pub fn render_frame_if_dirty(&self) -> Result<()> {
+    pub fn popup_key(&self) -> Option<usize> {
+        self.popup_id.get().map(PopupId::key)
+    }
+
+    pub fn mark_configured(&self) {
+        info!("Popup window marked as configured");
+        self.configured.set(true);
+    }
+
+    pub fn is_configured(&self) -> bool {
+        self.configured.get()
+    }
+
+    pub fn set_component_instance(&self, instance: ComponentInstance) {
+        info!("Setting component instance for popup window");
+        if self.component_instance.set(instance).is_err() {
+            info!("Component instance already set for popup window");
+        }
+    }
+
+    pub fn request_resize(&self, width: f32, height: f32) {
+        info!("Requesting popup resize to {}x{}", width, height);
+        self.set_size(WindowSize::Logical(slint::LogicalSize::new(width, height)));
+        RenderableWindow::request_redraw(self);
+    }
+}
+
+impl RenderableWindow for PopupWindow {
+    fn render_frame_if_dirty(&self) -> Result<()> {
         if !self.configured.get() {
             info!("Popup not yet configured, skipping render");
             return Ok(());
@@ -98,41 +125,27 @@ impl PopupWindow {
         Ok(())
     }
 
-    pub fn set_scale_factor(&self, scale_factor: f32) {
+    fn set_scale_factor(&self, scale_factor: f32) {
         info!("Setting popup scale factor to {scale_factor}");
         self.scale_factor.set(scale_factor);
         self.window()
             .dispatch_event(WindowEvent::ScaleFactorChanged { scale_factor });
     }
 
-    pub fn scale_factor(&self) -> f32 {
+    fn scale_factor(&self) -> f32 {
         self.scale_factor.get()
     }
 
-    pub fn popup_key(&self) -> Option<usize> {
-        self.popup_id.get().map(PopupId::key)
+    fn render_state(&self) -> &Cell<RenderState> {
+        &self.render_state
     }
 
-    pub fn mark_configured(&self) {
-        info!("Popup window marked as configured");
-        self.configured.set(true);
+    fn size_cell(&self) -> &Cell<PhysicalSize> {
+        &self.size
     }
 
-    pub fn is_configured(&self) -> bool {
-        self.configured.get()
-    }
-
-    pub fn set_component_instance(&self, instance: ComponentInstance) {
-        info!("Setting component instance for popup window");
-        if self.component_instance.set(instance).is_err() {
-            info!("Component instance already set for popup window");
-        }
-    }
-
-    pub fn request_resize(&self, width: f32, height: f32) {
-        info!("Requesting popup resize to {}x{}", width, height);
-        self.set_size(WindowSize::Logical(slint::LogicalSize::new(width, height)));
-        self.request_redraw();
+    fn scale_factor_cell(&self) -> &Cell<f32> {
+        &self.scale_factor
     }
 }
 
@@ -146,18 +159,15 @@ impl WindowAdapter for PopupWindow {
     }
 
     fn size(&self) -> PhysicalSize {
-        self.size.get()
+        self.size_impl()
     }
 
     fn set_size(&self, size: WindowSize) {
-        self.size.set(size.to_physical(self.scale_factor()));
-        self.window.dispatch_event(WindowEvent::Resized {
-            size: size.to_logical(self.scale_factor()),
-        });
+        self.set_size_impl(size);
     }
 
     fn request_redraw(&self) {
-        self.render_state.set(RenderState::Dirty);
+        RenderableWindow::request_redraw(self);
     }
 }
 

adapters/src/rendering/femtovg/renderable_window.rs

@@ -0,0 +1,35 @@
+use crate::errors::Result;
+use slint::{
+    PhysicalSize, WindowSize,
+    platform::{WindowAdapter, WindowEvent},
+};
+use std::cell::Cell;
+
+pub enum RenderState {
+    Clean,
+    Dirty,
+}
+
+pub trait RenderableWindow: WindowAdapter {
+    fn render_frame_if_dirty(&self) -> Result<()>;
+    fn set_scale_factor(&self, scale_factor: f32);
+    fn scale_factor(&self) -> f32;
+    fn render_state(&self) -> &Cell<RenderState>;
+    fn size_cell(&self) -> &Cell<PhysicalSize>;
+    fn scale_factor_cell(&self) -> &Cell<f32>;
+
+    fn request_redraw(&self) {
+        self.render_state().set(RenderState::Dirty);
+    }
+
+    fn size_impl(&self) -> PhysicalSize {
+        self.size_cell().get()
+    }
+
+    fn set_size_impl(&self, size: WindowSize) {
+        self.size_cell().set(size.to_physical(self.scale_factor()));
+        self.window().dispatch_event(WindowEvent::Resized {
+            size: size.to_logical(self.scale_factor()),
+        });
+    }
+}

adapters/src/wayland/shell_adapter.rs

@@ -11,7 +11,8 @@ use crate::wayland::{
 use crate::{
     errors::{EventLoopError, LayerShikaError, RenderingError, Result},
     rendering::{
-        egl::context::EGLContext, femtovg::main_window::FemtoVGWindow,
+        egl::context::EGLContext,
+        femtovg::{main_window::FemtoVGWindow, renderable_window::RenderableWindow},
         slint_integration::platform::CustomSlintPlatform,
     },
 };

adapters/src/wayland/surfaces/popup_manager.rs

@@ -1,6 +1,6 @@
 use crate::errors::{LayerShikaError, Result};
 use crate::rendering::egl::context::EGLContext;
-use crate::rendering::femtovg::popup_window::PopupWindow;
+use crate::rendering::femtovg::{popup_window::PopupWindow, renderable_window::RenderableWindow};
 use crate::wayland::surfaces::display_metrics::SharedDisplayMetrics;
 use layer_shika_domain::value_objects::popup_config::PopupConfig;
 use layer_shika_domain::value_objects::popup_positioning_mode::PopupPositioningMode;

adapters/src/wayland/surfaces/rendering_state.rs

@@ -1,18 +1,18 @@
 use std::rc::Rc;
 use crate::errors::Result;
-use crate::rendering::femtovg::main_window::FemtoVGWindow;
+use crate::rendering::femtovg::renderable_window::RenderableWindow;
 use crate::wayland::surfaces::window_renderer::{WindowRenderer, WindowRendererParams};
 use slint::PhysicalSize;
 use smithay_client_toolkit::reexports::protocols_wlr::layer_shell::v1::client::zwlr_layer_surface_v1::ZwlrLayerSurfaceV1;
 use crate::wayland::managed_proxies::ManagedWpFractionalScaleV1;
 
-pub struct RenderingState {
-    renderer: WindowRenderer,
+pub struct RenderingState<W: RenderableWindow> {
+    renderer: WindowRenderer<W>,
 }
 
-impl RenderingState {
+impl<W: RenderableWindow> RenderingState<W> {
     #[must_use]
-    pub fn new(params: WindowRendererParams) -> Self {
+    pub fn new(params: WindowRendererParams<W>) -> Self {
         Self {
             renderer: WindowRenderer::new(params),
         }
@@ -38,7 +38,7 @@ impl RenderingState {
         self.renderer.height()
     }
 
-    pub const fn window(&self) -> &Rc<FemtoVGWindow> {
+    pub const fn window(&self) -> &Rc<W> {
         self.renderer.window()
     }
 

adapters/src/wayland/surfaces/surface_state.rs

@@ -25,7 +25,7 @@ use wayland_protocols::wp::fractional_scale::v1::client::wp_fractional_scale_v1:
 
 pub struct WindowState {
     component: ComponentState,
-    rendering: RenderingState,
+    rendering: RenderingState<FemtoVGWindow>,
     event_context: EventContext,
     display_metrics: SharedDisplayMetrics,
     #[allow(dead_code)]

adapters/src/wayland/surfaces/window_renderer.rs

@@ -1,5 +1,5 @@
 use crate::errors::Result;
-use crate::rendering::femtovg::main_window::FemtoVGWindow;
+use crate::rendering::femtovg::renderable_window::RenderableWindow;
 use crate::wayland::managed_proxies::{
     ManagedWlSurface, ManagedZwlrLayerSurfaceV1, ManagedWpFractionalScaleV1, ManagedWpViewport,
 };
@@ -17,8 +17,8 @@ enum ScalingMode {
     Integer,
 }
 
-pub struct WindowRendererParams {
-    pub window: Rc<FemtoVGWindow>,
+pub struct WindowRendererParams<W: RenderableWindow> {
+    pub window: Rc<W>,
     pub surface: ManagedWlSurface,
     pub layer_surface: ManagedZwlrLayerSurfaceV1,
     pub viewport: Option<ManagedWpViewport>,
@@ -28,8 +28,8 @@ pub struct WindowRendererParams {
     pub size: PhysicalSize,
 }
 
-pub struct WindowRenderer {
-    window: Rc<FemtoVGWindow>,
+pub struct WindowRenderer<W: RenderableWindow> {
+    window: Rc<W>,
     surface: ManagedWlSurface,
     layer_surface: ManagedZwlrLayerSurfaceV1,
     viewport: Option<ManagedWpViewport>,
@@ -40,9 +40,9 @@ pub struct WindowRenderer {
     logical_size: PhysicalSize,
 }
 
-impl WindowRenderer {
+impl<W: RenderableWindow> WindowRenderer<W> {
     #[must_use]
-    pub fn new(params: WindowRendererParams) -> Self {
+    pub fn new(params: WindowRendererParams<W>) -> Self {
         Self {
             window: params.window,
             surface: params.surface,
@@ -60,7 +60,7 @@ impl WindowRenderer {
         self.window.render_frame_if_dirty()
     }
 
-    pub const fn window(&self) -> &Rc<FemtoVGWindow> {
+    pub const fn window(&self) -> &Rc<W> {
         &self.window
     }
 
@@ -176,7 +176,7 @@ impl WindowRenderer {
 
         self.size = dimensions.to_slint_physical_size();
         self.logical_size = dimensions.to_slint_logical_size();
-        self.window.request_redraw();
+        RenderableWindow::request_redraw(self.window.as_ref());
     }
 
     pub const fn logical_size(&self) -> PhysicalSize {