From 6c77f107084908af8d10ded015ccd03663cdc893 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 29 Oct 2020 00:21:54 +0800
Subject: ...

---
 src/ui/controls/TextControlService.hpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'src/ui/controls/TextControlService.hpp')

diff --git a/src/ui/controls/TextControlService.hpp b/src/ui/controls/TextControlService.hpp
index 33a6bc36..3c082bad 100644
--- a/src/ui/controls/TextControlService.hpp
+++ b/src/ui/controls/TextControlService.hpp
@@ -223,11 +223,13 @@ class TextControlService : public Object {
   }
 
   void ScrollToCaret() {
-    this->control_->GetWindowHost()->RunAfterLayoutStable([this]() {
-      const auto caret_rect = this->GetTextRenderObject()->GetCaretRect();
-      this->GetScrollRenderObject()->ScrollToContain(caret_rect,
-                                                     Thickness{5.f});
-    });
+    if (const auto scroll_render_object = this->GetScrollRenderObject()) {
+      this->control_->GetWindowHost()->RunAfterLayoutStable(
+          [this, scroll_render_object]() {
+            const auto caret_rect = this->GetTextRenderObject()->GetCaretRect();
+            scroll_render_object->ScrollToContain(caret_rect, Thickness{5.f});
+          });
+    }
   }
 
  private:
-- 
cgit v1.2.3