feat: allow conversion of Widget.Box to renderer.Layer.Options

src/tui/Box.zig

@@ -1,4 +1,5 @@
 const Plane = @import("renderer").Plane;
+const Layer = @import("renderer").Layer;
 
 const Self = @This();
 
@@ -35,6 +36,15 @@ pub fn from(n: Plane) Self {
     };
 }
 
+pub fn to_layer(self: Self) Layer.Options {
+    return .{
+        .y = @intCast(self.y),
+        .x = @intCast(self.x),
+        .h = @intCast(self.h),
+        .w = @intCast(self.w),
+    };
+}
+
 pub fn is_abs_coord_inside(self: Self, y: usize, x: usize) bool {
     return y >= self.y and y < self.y + self.h and x >= self.x and x < self.x + self.w;
 }