From 49dfb2bc9f965b398aa12e711148696d28443eaf Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 13 Mar 2021 16:05:21 +0800
Subject: feat: Scrollbar auto collapse.

---
 include/cru/platform/gui/UiApplication.hpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include/cru/platform/gui/UiApplication.hpp')

diff --git a/include/cru/platform/gui/UiApplication.hpp b/include/cru/platform/gui/UiApplication.hpp
index ba85020a..5a5b0b13 100644
--- a/include/cru/platform/gui/UiApplication.hpp
+++ b/include/cru/platform/gui/UiApplication.hpp
@@ -79,6 +79,9 @@ class TimerAutoCanceler {
   }
 
   TimerAutoCanceler& operator=(TimerAutoCanceler&& other) {
+    if (&other == this) {
+      return *this;
+    }
     Reset(other.id_);
     other.id_ = 0;
     return *this;
@@ -101,6 +104,8 @@ class TimerAutoCanceler {
     id_ = id;
   }
 
+  explicit operator bool() const { return id_; }
+
  private:
   long long id_;
 };
-- 
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