clean up

src/layout/painter.rs

@@ -6,7 +6,7 @@ use crate::{
         WidgetInstance, Widgets,
     },
     render::{Primitive, PrimitiveHandle, Primitives},
-    util::{HashMap, Id},
+    util::Id,
 };
 
 struct State {
@@ -26,7 +26,6 @@ pub struct Painter<'a, Ctx: 'static> {
     pub(super) primitives: &'a mut Primitives,
     textures: &'a mut Textures,
     text: &'a mut TextData,
-    labels: &'a HashMap<Id, String>,
     screen_size: Vec2,
     /// state of what's currently being drawn
     state: State,
@@ -43,7 +42,6 @@ impl<'a, Ctx> Painter<'a, Ctx> {
         text: &'a mut TextData,
         textures: &'a mut Textures,
         screen_size: Vec2,
-        labels: &'a HashMap<Id, String>,
     ) -> Self {
         Self {
             widgets: nodes,
@@ -54,7 +52,6 @@ impl<'a, Ctx> Painter<'a, Ctx> {
             text,
             textures,
             screen_size,
-            labels,
             state: State {
                 region: UiRegion::full(),
                 children: Vec::new(),
@@ -165,6 +162,10 @@ impl<'a, Ctx> Painter<'a, Ctx> {
         self.ctx
     }
 
+    pub fn region_size(&self) -> Vec2 {
+        self.state.region.in_size(self.screen_size)
+    }
+
     pub(crate) fn redraw(&mut self, id: &Id) {
         if !self.active.widgets.contains_key(id) {
             return;