From b7619d6e638522929ed3fafc515e018a330c00d1 Mon Sep 17 00:00:00 2001
From: Kaur Kuut <strom@nevermore.ee>
Date: Tue, 14 Apr 2020 14:05:39 +0300
Subject: [PATCH] Mark layout/paint request in the children_changed method.
 (#839)

---
 druid/src/contexts.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/druid/src/contexts.rs b/druid/src/contexts.rs
index d514d76178..3cc2795d7a 100644
--- a/druid/src/contexts.rs
+++ b/druid/src/contexts.rs
@@ -158,6 +158,8 @@ impl<'a> EventCtx<'a> {
     /// Widgets must call this method after adding a new child.
     pub fn children_changed(&mut self) {
         self.base_state.children_changed = true;
+        self.base_state.needs_layout = true;
+        self.base_state.needs_inval = true;
     }
 
     /// Get an object which can create text layouts.
@@ -451,6 +453,8 @@ impl<'a> LifeCycleCtx<'a> {
     /// Widgets must call this method after adding a new child.
     pub fn children_changed(&mut self) {
         self.base_state.children_changed = true;
+        self.base_state.needs_layout = true;
+        self.base_state.needs_inval = true;
     }
 
     /// Request an animation frame.
@@ -504,6 +508,8 @@ impl<'a> UpdateCtx<'a> {
     /// Widgets must call this method after adding a new child.
     pub fn children_changed(&mut self) {
         self.base_state.children_changed = true;
+        self.base_state.needs_layout = true;
+        self.base_state.needs_inval = true;
     }
 
     /// Get an object which can create text layouts.