some nice dynamic stuff

src/utils.rs

@@ -1,5 +1,7 @@
 use std::io::{stdout, Write};
 
+use crossterm::terminal::disable_raw_mode;
+
 pub struct Frame {
     used: Vec<u16>,
     width: u16,
@@ -21,9 +23,21 @@ impl Frame {
     pub fn render(&mut self, focused: bool, element: &crate::Element) {
         let style = element.get_style().get(focused);
         if style.visible {
-            let y = style.y.as_position_y(&self.used, self.height);
+            let y = style.y.as_position(
+                &{
+                    let mut y_ = 0;
+                    for n in self.used.iter().rev() {
+                        if *n == 0 {
+                            break;
+                        }
+                        y_ += 1;
+                    }
+                    y_
+                },
+                self.height,
+            );
             if let Some(y_) = self.used.get(y as usize) {
-                let x = style.x.as_position_x(y_, self.width);
+                let x = style.x.as_position(y_, self.width);
                 let mut writer = crate::Writer::new(
                     focused,
                     style.clone(),
@@ -31,9 +45,17 @@ impl Frame {
                     (self.width, self.height),
                 );
                 element.render(&mut writer);
-                let (width, height) = writer.get_size();
+                let (width, height) = writer.get_size_root();
+                if style.outline {
+                    clear();
+                    show_cursor();
+                    disable_raw_mode().unwrap();
+                    panic!("the 'outline' option isn't available right now. please set 'outline' to 'false'")
+                }
                 for i in y..y + height {
-                    *self.used.get_mut(i as usize).unwrap() += x + width;
+                    if let Some(o) = self.used.get_mut(i as usize) {
+                        *o += x + width;
+                    }
                 }
             }
         }