Dynamic and End aling

pulse-ui/src/widget/align.rs

@@ -18,3 +18,22 @@ impl Widget for Center {
         scope.draw_text((x, y), &self.0);
     }
 }
+
+pub struct End(pub String);
+
+impl Widget for End {
+    fn render(&self, scope: &mut crate::render::RenderScope) {
+        let mut width = 0;
+        let mut height = 0;
+
+        for line in self.0.lines() {
+            height += 1;
+            width = width.max(line.len() as u16);
+        }
+
+        let x = scope.rect.width - width;
+        let y = scope.rect.height - height;
+
+        scope.draw_text((x, y), &self.0);
+    }
+}

pulse-ui/src/widget/dynamic.rs

@@ -0,0 +1,9 @@
+use crate::{unit::Rect, widget::Widget};
+
+pub struct Dynamic(pub fn(Rect) -> Box<dyn Widget>);
+
+impl Widget for Dynamic {
+    fn render(&self, scope: &mut crate::render::RenderScope) {
+        (self.0)(scope.rect).render(scope);
+    }
+}

pulse-ui/src/widget/mod.rs

@@ -1,6 +1,7 @@
-pub mod center;
+pub mod align;
 pub mod outline;
 pub mod spaced;
+pub mod dynamic;
 
 use crate::render::RenderScope;