Add dynamic render call to Frame

src/terminal.rs

@@ -101,6 +101,10 @@ where
         widget.render(area, self.terminal.current_buffer_mut());
     }
 
+    pub fn render_widget_dynamic(&mut self, widget : &dyn Widget, area: Rect) {
+        widget.render(area, self.terminal.current_buffer_mut());
+    }
+
     /// Render a [`StatefulWidget`] to the current buffer using [`StatefulWidget::render`].
     ///
     /// The last argument should be an instance of the [`StatefulWidget::State`] associated to the
@@ -321,4 +325,4 @@ where
     pub fn size(&self) -> io::Result<Rect> {
         self.backend.size()
     }
-}
+}

src/widgets/mod.rs

@@ -64,7 +64,7 @@ bitflags! {
 pub trait Widget {
     /// Draws the current state of the widget in the given buffer. That is the only method required
     /// to implement a custom widget.
-    fn render(self, area: Rect, buf: &mut Buffer);
+    fn render(&self, area: Rect, buf: &mut Buffer);
 }
 
 /// A `StatefulWidget` is a widget that can take advantage of some local state to remember things
@@ -181,4 +181,4 @@ pub trait Widget {
 pub trait StatefulWidget {
     type State;
     fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State);
-}
+}