working center

src/render_scope.rs

@@ -10,8 +10,6 @@ enum RenderMethod {
 pub struct RenderScope {
     transform: RawTransform,
     render_stack: Vec<RenderMethod>,
-    width: u16,
-    height: u16,
     parent_width: u16,
     parent_height: u16,
 }
@@ -21,22 +19,22 @@ impl RenderScope {
         RenderScope {
             transform: RawTransform::new(),
             render_stack: Vec::new(),
-            width: 0,
-            height: 0,
             parent_width: 0,
             parent_height: 0,
         }
     }
 
     pub fn set_transform(&mut self, transform: &Transform) {
+        (self.parent_width, self.parent_height) = crossterm::terminal::size().unwrap();
         transform.use_dimensions(&mut self.transform);
+        transform.use_position(self.parent_width, self.parent_height, &mut self.transform);
     }
 
     pub fn draw_text(&mut self, text: &str) {
         self.render_stack.push(RenderMethod::Text(text.to_string()));
         let (w, h) = utils::str_size(text);
-        self.width = std::cmp::max(self.width, w);
-        self.height = std::cmp::max(self.height, h);
+        self.transform.width = self.transform.width.max(w);
+        self.transform.height = self.transform.height.max(h);
     }
 
     pub fn draw(&self) {