Draft web runtime and widgets

web/src/widget/column.rs

@@ -0,0 +1,48 @@
+use crate::{Align, Element, Widget};
+
+pub struct Column<'a, Message> {
+    children: Vec<Element<'a, Message>>,
+}
+
+impl<'a, Message> Column<'a, Message> {
+    pub fn new() -> Self {
+        Self {
+            children: Vec::new(),
+        }
+    }
+
+    pub fn spacing(self, _spacing: u16) -> Self {
+        self
+    }
+
+    pub fn padding(self, _padding: u16) -> Self {
+        self
+    }
+
+    pub fn max_width(self, _max_width: u16) -> Self {
+        self
+    }
+
+    pub fn align_items(self, _align: Align) -> Self {
+        self
+    }
+
+    pub fn push<E>(mut self, element: E) -> Self
+    where
+        E: Into<Element<'a, Message>>,
+    {
+        self.children.push(element.into());
+        self
+    }
+}
+
+impl<'a, Message> Widget<Message> for Column<'a, Message> {}
+
+impl<'a, Message> From<Column<'a, Message>> for Element<'a, Message>
+where
+    Message: 'static,
+{
+    fn from(column: Column<'a, Message>) -> Element<'a, Message> {
+        Element::new(column)
+    }
+}