stack & padding fix sorta, preparing for scroll areas

src/layout/painter.rs

@@ -69,9 +69,19 @@ impl<'a> PainterCtx<'a> {
         };
 
         if let Some((rid, size)) = &active.resize {
-            self.redraw(&rid.duplicate());
-            if self.drawing.contains(id) {
-                return;
+            let checked = &mut HashMap::default();
+            let mut ctx = SizeCtx {
+                checked,
+                text: self.text,
+                textures: self.textures,
+                widgets: self.widgets,
+            };
+            let desired = ctx.size_inner(id);
+            if *size != desired {
+                self.redraw(&rid.duplicate());
+                if self.drawing.contains(id) {
+                    return;
+                }
             }
         }
 
@@ -298,14 +308,17 @@ pub struct SizeCtx<'a> {
 }
 
 impl SizeCtx<'_> {
+    fn size_inner(&mut self, id: &Id) -> UiVec2 {
+        let size = self.widgets.get_dyn_dynamic(id).desired_size(self);
+        self.checked.insert(id.duplicate(), size);
+        size
+    }
     pub fn size<W>(&mut self, id: &WidgetId<W>) -> UiVec2 {
         // TODO: determine if this is useful
         // if let Some(size) = self.checked.get(&id.id) {
         //     return Some(*size);
         // }
-        let size = self.widgets.get_dyn_dynamic(&id.id).desired_size(self);
-        self.checked.insert(id.id.duplicate(), size);
-        size
+        self.size_inner(&id.id)
     }
     pub fn draw_text(
         &mut self,