1 files changed, 171 insertions, 0 deletions
diff --git a/engine/src/windowing/window.rs b/engine/src/windowing/window.rs
new file mode 100644
index 0000000..79b2102
--- /dev/null
+++ b/engine/src/windowing/window.rs
@@ -0,0 +1,171 @@
+use std::borrow::Cow;
+
+use ecs::Component;
+
+use crate::data_types::dimens::Dimens;
+
+pub mod platform;
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct Id
+{
+    inner: winit::window::WindowId,
+}
+
+impl Id
+{
+    pub(crate) fn from_inner(inner: winit::window::WindowId) -> Self
+    {
+        Self { inner }
+    }
+}
+
+macro_rules! impl_creation_attributes_field_fns {
+    ($field: ident, ($($getter_ret_pre: tt)?), $getter_ret_type: ty, $field_type: ty) => {
+        impl CreationAttributes
+        {
+            pub fn $field(&self) -> $getter_ret_type
+            {
+                $($getter_ret_pre)? self.attrs.$field
+            }
+
+            paste::paste! {
+                pub fn [<with_ $field>](mut self, $field: impl Into<$field_type>) -> Self {
+                    self.attrs.$field = $field.into();
+                    self
+                }
+            }
+        }
+    };
+}
+
+#[derive(Debug, Component, Clone)]
+#[non_exhaustive]
+pub struct CreationAttributes
+{
+    attrs: winit::window::WindowAttributes,
+}
+
+impl_creation_attributes_field_fns!(title, (&), &str, String);
+impl_creation_attributes_field_fns!(transparent, (), bool, bool);
+
+impl CreationAttributes
+{
+    #[cfg(target_os = "linux")]
+    pub fn with_x11_visual(mut self, visual_id: XVisualID) -> Self
+    {
+        use winit::platform::x11::WindowAttributesExtX11;
+
+        self.attrs = self.attrs.with_x11_visual(visual_id);
+
+        self
+    }
+}
+
+impl CreationAttributes
+{
+    pub(crate) fn into_inner(self) -> winit::window::WindowAttributes
+    {
+        self.attrs
+    }
+}
+
+impl Default for CreationAttributes
+{
+    fn default() -> Self
+    {
+        CreationAttributes {
+            attrs: winit::window::WindowAttributes::default().with_title("Application"),
+        }
+    }
+}
+
+#[derive(Debug, Component, Clone, Copy)]
+pub struct CreationReady;
+
+#[derive(Debug, Component)]
+#[non_exhaustive]
+pub struct Window
+{
+    wid: Id,
+    pub title: Cow<'static, str>,
+    pub cursor_visible: bool,
+    pub cursor_grab_mode: CursorGrabMode,
+    inner_size: Dimens<u32>,
+}
+
+impl Window
+{
+    pub fn wid(&self) -> Id
+    {
+        self.wid
+    }
+
+    pub fn inner_size(&self) -> &Dimens<u32>
+    {
+        &self.inner_size
+    }
+
+    pub(crate) fn new(
+        winit_window: &winit::window::Window,
+        creation_attrs: &CreationAttributes,
+    ) -> Self
+    {
+        Self {
+            wid: Id::from_inner(winit_window.id()),
+            title: creation_attrs.title().to_string().into(),
+            cursor_visible: true,
+            cursor_grab_mode: CursorGrabMode::None,
+            inner_size: winit_window.inner_size().into(),
+        }
+    }
+
+    pub(crate) fn apply(&self, winit_window: &winit::window::Window)
+    {
+        winit_window.set_title(&self.title);
+        winit_window.set_cursor_visible(self.cursor_visible);
+    }
+
+    pub(crate) fn set_inner_size(&mut self, inner_size: Dimens<u32>)
+    {
+        self.inner_size = inner_size;
+    }
+}
+
+#[derive(Debug, Component)]
+pub struct Closed;
+
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub enum CursorGrabMode
+{
+    #[default]
+    None,
+
+    /// The cursor is locked to a specific position in the window.
+    Locked,
+}
+
+/// A unique identifier for an X11 visual.
+pub type XVisualID = u32;
+
+impl<P> From<winit::dpi::PhysicalSize<P>> for Dimens<P>
+{
+    fn from(size: winit::dpi::PhysicalSize<P>) -> Self
+    {
+        Self {
+            width: size.width,
+            height: size.height,
+        }
+    }
+}
+
+impl<P> From<Dimens<P>> for winit::dpi::PhysicalSize<P>
+{
+    fn from(dimens: Dimens<P>) -> Self
+    {
+        Self {
+            width: dimens.width,
+            height: dimens.height,
+        }
+    }
+}