Is creating a window

crates/egui/src/containers/window.rs

@@ -6,7 +6,7 @@ use epaint::*;
 
 use super::*;
 
-#[derive(Hash, PartialEq, Clone, Default)]
+#[derive(Hash, PartialEq, Clone)]
 pub struct WindowBuilder {
     pub title: String,
     pub name: Option<String>,
@@ -28,6 +28,31 @@ pub struct WindowBuilder {
     pub drag_and_drop: bool,
 }
 
+impl Default for WindowBuilder {
+    fn default() -> Self {
+        Self {
+            title: "Dummy EGUI Window".into(),
+            name: None,
+            position: None,
+            inner_size: Some((600, 500)),
+            fullscreen: false,
+            maximized: false,
+            resizable: true,
+            transparent: false,
+            decorations: true,
+            icon: None,
+            active: true,
+            visible: true,
+            title_hidden: false,
+            titlebar_transparent: false,
+            fullsize_content_view: false,
+            min_inner_size: None,
+            max_inner_size: None,
+            drag_and_drop: true,
+        }
+    }
+}
+
 impl WindowBuilder {
     pub fn with_title(mut self, title: impl Into<String>) -> Self {
         self.title = title.into();
@@ -396,8 +421,8 @@ impl<'open> Window<'open> {
         ctx: &Context,
         add_contents: Box<dyn FnOnce(&mut Ui) -> R + 'c>,
     ) -> Option<InnerResponse<Option<R>>> {
-        let window_id =
-            ctx.data_mut(|data| *data.get_temp_mut_or(self.area.id.with("window_id"), 0));
+        let window_id = ctx.create_window(WindowBuilder::default().with_title(self.title.text()));
+        println!("Window id: {}", window_id);
         let Window {
             title,
             open,

crates/egui/src/context.rs

@@ -1268,10 +1268,10 @@ impl Context {
         let repaint_after = self.write(|ctx| ctx.repaint.end_frame());
         let shapes = self.drain_paint_lists();
 
-        let windows = self.write(|ctx| {
+        let windows = self.read(|ctx| {
             ctx.windows
-                .drain()
-                .map(|(_, (builder, id, _))| (id, builder))
+                .iter()
+                .map(|(_, (builder, id, _))| (*id, builder.clone()))
                 .collect()
         });