From a9558215aef3b0ad67dc73788305e1b46bc872b5 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 10 Mar 2022 19:07:28 +0800
Subject: ...

---
 src/ui/host/WindowHost.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/ui/host/WindowHost.cpp')

diff --git a/src/ui/host/WindowHost.cpp b/src/ui/host/WindowHost.cpp
index 42d0945f..f4a9a928 100644
--- a/src/ui/host/WindowHost.cpp
+++ b/src/ui/host/WindowHost.cpp
@@ -150,10 +150,12 @@ std::unique_ptr<platform::gui::INativeWindow> WindowHost::CreateNativeWindow() {
   return std::unique_ptr<INativeWindow>(native_window);
 }
 
-void WindowHost::InvalidatePaint() { layout_paint_cycler_->InvalidatePaint(); }
+void WindowHost::InvalidatePaint() {
+  if (layout_paint_cycler_) layout_paint_cycler_->InvalidatePaint();
+}
 
 void WindowHost::InvalidateLayout() {
-  layout_paint_cycler_->InvalidateLayout();
+  if (layout_paint_cycler_) layout_paint_cycler_->InvalidateLayout();
 }
 
 bool WindowHost::IsLayoutPreferToFillWindow() const {
@@ -190,8 +192,7 @@ void WindowHost::RelayoutWithSize(const Size& available_size,
   for (auto& action : after_layout_stable_action_) action();
   after_layout_event_.Raise(AfterLayoutEventArgs{});
   after_layout_stable_action_.clear();
-  if constexpr (debug_flags::layout)
-    CRU_LOG_DEBUG(u"A relayout is finished.");
+  if constexpr (debug_flags::layout) CRU_LOG_DEBUG(u"A relayout is finished.");
 }
 
 void WindowHost::Repaint() {
-- 
cgit v1.2.3