1 files changed, 72 insertions, 0 deletions
diff --git a/bindgen/rust/celeritas-sys/src/egui_utils.rs b/bindgen/rust/celeritas-sys/src/egui_utils.rs
new file mode 100644
index 0000000..5432d81
--- /dev/null
+++ b/bindgen/rust/celeritas-sys/src/egui_utils.rs
@@ -0,0 +1,72 @@
+// use egui_overlay::{EguiOverlay, OverlayApp};
+// use egui_render_three_d::ThreeDBackend;
+// use egui_window_glfw_passthrough::glfw::Context;
+// use egui_window_glfw_passthrough::{GlfwBackend, GlfwConfig};
+
+// use crate::Core_Bringup;
+
+// // struct CustomEguiOverlay {
+// //   backend:
+// // }
+
+// fn init() {
+//     let mut glfw_backend = GlfwBackend::new(GlfwConfig::default());
+//     let mut glfw_window_ptr = glfw_backend.window.window_ptr();
+
+//     unsafe {
+//         // Cast the window pointer to the expected type
+//         let window_ptr = glfw_window_ptr as *mut crate::GLFWwindow;
+//         Core_Bringup(window_ptr);
+//     };
+// }
+
+// /// After implementing [`EguiOverlay`], just call this function with your app data
+// pub fn start<T: EguiOverlay + 'static>(user_data: T) {
+//     let mut glfw_backend = GlfwBackend::new(GlfwConfig {
+//         // this closure will be called before creating a window
+//         glfw_callback: Box::new(|gtx| {
+//             // some defualt hints. it is empty atm, but in future we might add some convenience hints to it.
+//             (egui_window_glfw_passthrough::GlfwConfig::default().glfw_callback)(gtx);
+//             // scale the window size based on monitor scale. as 800x600 looks too small on a 4k screen, compared to a hd screen in absolute pixel sizes.
+//             gtx.window_hint(egui_window_glfw_passthrough::glfw::WindowHint::ScaleToMonitor(true));
+//         }),
+//         opengl_window: Some(true), // macos doesn't support opengl.
+//         transparent_window: Some(false),
+//         window_title: "Celeritas egui".into(),
+//         ..Default::default()
+//     });
+
+//     // always on top
+//     // glfw_backend.window.set_floating(true);
+//     // disable borders/titlebar
+//     // glfw_backend.window.set_decorated(false);
+
+//     let latest_size = glfw_backend.window.get_framebuffer_size();
+//     let latest_size = [latest_size.0 as _, latest_size.1 as _];
+
+//     let default_gfx_backend = {
+//         ThreeDBackend::new(
+//             egui_render_three_d::ThreeDConfig {
+//                 ..Default::default()
+//             },
+//             |s| glfw_backend.get_proc_address(s),
+//             latest_size,
+//         )
+//     };
+
+//     let glfw_window_ptr = glfw_backend.window.window_ptr();
+//     unsafe {
+//         // Cast the window pointer to the expected type
+//         let window_ptr = glfw_window_ptr as *mut crate::GLFWwindow;
+//         Core_Bringup(window_ptr);
+//     };
+
+//     let overlap_app = OverlayApp {
+//         user_data,
+//         egui_context: Default::default(),
+//         default_gfx_backend,
+//         glfw_backend,
+//     };
+
+//     overlap_app.enter_event_loop();
+// }