diff --git a/src/windowing/builder.rs b/src/windowing/builder.rs
new file mode 100644
index 0000000..ef2b312
--- /dev/null
+++ b/src/windowing/builder.rs
@@ -0,0 +1,92 @@
+use anyhow::Result;
+use slint_interpreter::ComponentDefinition;
+use smithay_client_toolkit::reexports::protocols_wlr::layer_shell::v1::client::{
+    zwlr_layer_shell_v1::{self},
+    zwlr_layer_surface_v1::{Anchor, KeyboardInteractivity},
+};
+
+use super::{config::WindowConfig, WindowingSystem};
+
+pub struct WindowingSystemBuilder {
+    config: WindowConfig,
+}
+
+impl Default for WindowingSystemBuilder {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl WindowingSystemBuilder {
+    #[inline]
+    #[must_use]
+    pub fn new() -> Self {
+        Self {
+            config: WindowConfig::default(),
+        }
+    }
+
+    #[must_use]
+    pub const fn with_height(mut self, height: u32) -> Self {
+        self.config.height = height;
+        self
+    }
+
+    #[must_use]
+    pub const fn with_layer(mut self, layer: zwlr_layer_shell_v1::Layer) -> Self {
+        self.config.layer = layer;
+        self
+    }
+
+    #[must_use]
+    pub const fn with_margin(mut self, top: i32, right: i32, bottom: i32, left: i32) -> Self {
+        self.config.margin = (top, right, bottom, left);
+        self
+    }
+
+    #[must_use]
+    pub const fn with_anchor(mut self, anchor: Anchor) -> Self {
+        self.config.anchor = anchor;
+        self
+    }
+
+    #[must_use]
+    pub const fn with_keyboard_interactivity(
+        mut self,
+        interactivity: KeyboardInteractivity,
+    ) -> Self {
+        self.config.keyboard_interactivity = interactivity;
+        self
+    }
+
+    #[must_use]
+    pub const fn with_exclusive_zone(mut self, zone: i32) -> Self {
+        self.config.exclusive_zone = zone;
+        self
+    }
+
+    #[must_use]
+    pub fn with_namespace(mut self, namespace: String) -> Self {
+        self.config.namespace = namespace;
+        self
+    }
+
+    #[must_use]
+    pub const fn with_scale_factor(mut self, scale_factor: f32) -> Self {
+        self.config.scale_factor = scale_factor;
+        self
+    }
+
+    #[must_use]
+    pub fn with_component_definition(mut self, component: ComponentDefinition) -> Self {
+        self.config.component_definition = Some(component);
+        self
+    }
+
+    pub fn build(self) -> Result<WindowingSystem> {
+        match self.config.component_definition {
+            Some(_) => WindowingSystem::new(self.config),
+            None => Err(anyhow::anyhow!("Slint component not set")),
+        }
+    }
+}
diff --git a/src/windowing/config.rs b/src/windowing/config.rs
new file mode 100644
index 0000000..3d7618e
--- /dev/null
+++ b/src/windowing/config.rs
@@ -0,0 +1,33 @@
+use slint_interpreter::ComponentDefinition;
+use smithay_client_toolkit::reexports::protocols_wlr::layer_shell::v1::client::{
+    zwlr_layer_shell_v1::{self},
+    zwlr_layer_surface_v1::{Anchor, KeyboardInteractivity},
+};
+
+pub struct WindowConfig {
+    pub height: u32,
+    pub layer: zwlr_layer_shell_v1::Layer,
+    pub margin: (i32, i32, i32, i32),
+    pub anchor: Anchor,
+    pub keyboard_interactivity: KeyboardInteractivity,
+    pub exclusive_zone: i32,
+    pub scale_factor: f32,
+    pub namespace: String,
+    pub component_definition: Option<ComponentDefinition>,
+}
+
+impl Default for WindowConfig {
+    fn default() -> Self {
+        Self {
+            height: 30,
+            layer: zwlr_layer_shell_v1::Layer::Top,
+            margin: (0, 0, 0, 0),
+            anchor: Anchor::Top | Anchor::Left | Anchor::Right,
+            keyboard_interactivity: KeyboardInteractivity::OnDemand,
+            exclusive_zone: -1,
+            namespace: "layer-shika".to_owned(),
+            scale_factor: 1.0,
+            component_definition: None,
+        }
+    }
+}
diff --git a/src/windowing/mod.rs b/src/windowing/mod.rs
index 4fedcb8..14374f8 100644
--- a/src/windowing/mod.rs
+++ b/src/windowing/mod.rs
@@ -6,6 +6,7 @@ use crate::{
     },
 };
 use anyhow::{Context, Result};
+use config::WindowConfig;
 use log::{debug, info};
 use slint::{platform::femtovg_renderer::FemtoVGRenderer, ComponentHandle, LogicalPosition};
 use slint_interpreter::{ComponentDefinition, ComponentInstance};
@@ -29,122 +30,12 @@ use wayland_client::{
     Connection, EventQueue, Proxy, QueueHandle,
 };
 
+pub mod builder;
+mod config;
 mod event_loop;
 mod macros;
 mod state;
 
-pub struct WindowConfig {
-    height: u32,
-    layer: zwlr_layer_shell_v1::Layer,
-    margin: (i32, i32, i32, i32),
-    anchor: Anchor,
-    keyboard_interactivity: KeyboardInteractivity,
-    exclusive_zone: i32,
-    scale_factor: f32,
-    namespace: String,
-    component_definition: Option<ComponentDefinition>,
-}
-
-impl Default for WindowConfig {
-    fn default() -> Self {
-        Self {
-            height: 30,
-            layer: zwlr_layer_shell_v1::Layer::Top,
-            margin: (0, 0, 0, 0),
-            anchor: Anchor::Top | Anchor::Left | Anchor::Right,
-            keyboard_interactivity: KeyboardInteractivity::OnDemand,
-            exclusive_zone: -1,
-            namespace: "layer-shika".to_owned(),
-            scale_factor: 1.0,
-            component_definition: None,
-        }
-    }
-}
-
-pub struct WindowingSystemBuilder {
-    config: WindowConfig,
-}
-
-impl Default for WindowingSystemBuilder {
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-impl WindowingSystemBuilder {
-    #[inline]
-    #[must_use]
-    pub fn new() -> Self {
-        Self {
-            config: WindowConfig::default(),
-        }
-    }
-
-    #[must_use]
-    pub const fn with_height(mut self, height: u32) -> Self {
-        self.config.height = height;
-        self
-    }
-
-    #[must_use]
-    pub const fn with_layer(mut self, layer: zwlr_layer_shell_v1::Layer) -> Self {
-        self.config.layer = layer;
-        self
-    }
-
-    #[must_use]
-    pub const fn with_margin(mut self, top: i32, right: i32, bottom: i32, left: i32) -> Self {
-        self.config.margin = (top, right, bottom, left);
-        self
-    }
-
-    #[must_use]
-    pub const fn with_anchor(mut self, anchor: Anchor) -> Self {
-        self.config.anchor = anchor;
-        self
-    }
-
-    #[must_use]
-    pub const fn with_keyboard_interactivity(
-        mut self,
-        interactivity: KeyboardInteractivity,
-    ) -> Self {
-        self.config.keyboard_interactivity = interactivity;
-        self
-    }
-
-    #[must_use]
-    pub const fn with_exclusive_zone(mut self, zone: i32) -> Self {
-        self.config.exclusive_zone = zone;
-        self
-    }
-
-    #[must_use]
-    pub fn with_namespace(mut self, namespace: String) -> Self {
-        self.config.namespace = namespace;
-        self
-    }
-
-    #[must_use]
-    pub const fn with_scale_factor(mut self, scale_factor: f32) -> Self {
-        self.config.scale_factor = scale_factor;
-        self
-    }
-
-    #[must_use]
-    pub fn with_component_definition(mut self, component: ComponentDefinition) -> Self {
-        self.config.component_definition = Some(component);
-        self
-    }
-
-    pub fn build(self) -> Result<WindowingSystem> {
-        match self.config.component_definition {
-            Some(_) => WindowingSystem::new(self.config),
-            None => Err(anyhow::anyhow!("Slint component not set")),
-        }
-    }
-}
-
 pub struct WindowingSystem {
     state: Rc<RefCell<WindowState>>,
     connection: Rc<Connection>,