[egui_glium] refactor

egui_glium/src/backend.rs

@@ -20,35 +20,40 @@ impl egui::app::TextureAllocator for Painter {
     }
 }
 
-/// Run an egui app
-pub fn run(
+fn create_display(
     title: &str,
-    mut storage: Box<dyn egui::app::Storage>,
-    mut app: impl App + 'static,
-) -> ! {
-    let event_loop = glutin::event_loop::EventLoop::new();
-    let mut window = glutin::window::WindowBuilder::new()
+    window_settings: Option<WindowSettings>,
+    event_loop: &glutin::event_loop::EventLoop<()>,
+) -> glium::Display {
+    let mut window_builder = glutin::window::WindowBuilder::new()
         .with_decorations(true)
         .with_resizable(true)
         .with_title(title)
         .with_transparent(false);
 
-    let window_settings: Option<WindowSettings> =
-        egui::app::get_value(storage.as_ref(), WINDOW_KEY);
     if let Some(window_settings) = &window_settings {
-        window = window_settings.initialize_size(window);
+        window_builder = window_settings.initialize_size(window_builder);
     }
 
-    let context = glutin::ContextBuilder::new()
+    let context_builder = glutin::ContextBuilder::new()
         .with_depth_buffer(0)
         .with_srgb(true)
         .with_stencil_buffer(0)
         .with_vsync(true);
-    let display = glium::Display::new(window, context, &event_loop).unwrap();
 
-    if let Some(window_settings) = &window_settings {
-        window_settings.restore_positions(&display);
-    }
+    glium::Display::new(window_builder, context_builder, &event_loop).unwrap()
+}
+
+/// Run an egui app
+pub fn run(
+    title: &str,
+    mut storage: Box<dyn egui::app::Storage>,
+    mut app: impl App + 'static,
+) -> ! {
+    let window_settings: Option<WindowSettings> =
+        egui::app::get_value(storage.as_ref(), WINDOW_KEY);
+    let event_loop = glutin::event_loop::EventLoop::new();
+    let display = create_display(title, window_settings, &event_loop);
 
     let mut ctx = egui::Context::new();
     *ctx.memory() = egui::app::get_value(storage.as_ref(), EGUI_MEMORY_KEY).unwrap_or_default();