update scrollbar scroller on tick, fix Transform mode recursive loop

src/node_scroll.cpp

@@ -24,41 +24,17 @@ void NodeScroll::fix_scroll()
     auto rect = get_children_rect();
     m_offset = glm::clamp(m_offset, - zw(rect) + zw(m_clip_uncut) - padoff, { 0, 0 });
     m_pos_offset_childred = m_offset;
+}
 
+void NodeScroll::on_tick(float dt)
+{
+    auto pad = GetPadding();
+    auto rect = get_children_rect();
     // fix scrollbar
     float sz = m_size.y - (pad[0] + pad[2]);
-    if (rect.w == 0 || rect.w <= sz)
-    {
-        YGNodeStyleSetPadding(y_node, YGEdgeRight, 5);
-        return;
-    }
-    YGNodeStyleSetPadding(y_node, YGEdgeRight, 35);
-}
-
-void NodeScroll::loaded()
-{
-    fix_scroll();
-}
-
-void NodeScroll::added(Node* parent)
-{
-    fix_scroll();
-}
-
-void NodeScroll::on_child_added(Node* child)
-{
-    fix_scroll();
-}
-
-void NodeScroll::on_child_removed(Node* child)
-{
-    fix_scroll();
-}
-
-void NodeScroll::handle_resize(glm::vec2 old_size, glm::vec2 new_size)
-{
-    Node::handle_resize(old_size, new_size);
-    fix_scroll();
+    float new_pad = rect.w == 0 || rect.w <= sz ? 5 : 35;
+    if (pad[1] != new_pad)
+        YGNodeStyleSetPadding(y_node, YGEdgeRight, new_pad);
 }
 
 void NodeScroll::draw()