semi-working dib

src/elements/div.rs

@@ -0,0 +1,50 @@
+use std::sync::Arc;
+
+use crate::{
+    render::RenderScope,
+    widget::{Element, Widget},
+};
+
+pub struct Div(Vec<Arc<Widget>>);
+
+impl Element for Div {
+    fn render(&mut self, scope_parent: &mut crate::render::RenderScope) {
+        let (w, h) = scope_parent.get_size_or_parent();
+        let mut scope = RenderScope::new(w, h);
+
+        for elem in &self.0 {
+            scope.clear();
+
+            if let Some(t) = elem.get() {
+                scope.set_transform(&t);
+            }
+
+            elem.0.lock().unwrap().render(&mut scope);
+
+            if let Some(t) = elem.get() {
+                scope.set_transform(&t);
+            }
+
+            scope.draw_buf(scope_parent.get_buffer_mut());
+        }
+    }
+
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
+
+    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
+        self
+    }
+}
+
+impl Div {
+    pub fn new() -> Self {
+        Self(Vec::new())
+    }
+
+    pub fn draw<E: Element + 'static>(&mut self, element: E) -> &Arc<Widget> {
+        self.0.push(Arc::new(Widget::new(Box::new(element))));
+        self.0.last().unwrap()
+    }
+}