From 5cfd000a7d41c92d3503d0870020f5da015b0fb6 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 27 Dec 2020 11:07:26 +0900
Subject: [PATCH] =?UTF-8?q?=E3=83=87=E3=83=83=E3=82=AD=E3=81=AE=E3=82=AB?=
 =?UTF-8?q?=E3=83=A9=E3=83=A0=E3=81=8C=E3=83=89=E3=83=A9=E3=83=83=E3=82=B0?=
 =?UTF-8?q?=E3=81=A7=E3=81=8D=E3=81=AA=E3=81=84=E5=95=8F=E9=A1=8C=E3=82=92?=
 =?UTF-8?q?=E4=BF=AE=E6=AD=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/client/ui/deck/column.vue | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/client/ui/deck/column.vue b/src/client/ui/deck/column.vue
index 80d72e65e9..1dc9901275 100644
--- a/src/client/ui/deck/column.vue
+++ b/src/client/ui/deck/column.vue
@@ -223,7 +223,12 @@ export default defineComponent({
 		onDragstart(e) {
 			e.dataTransfer.effectAllowed = 'move';
 			e.dataTransfer.setData(_DATA_TRANSFER_DECK_COLUMN_, this.column.id);
-			this.dragging = true;
+
+			// Chromeのバグで、Dragstartハンドラ内ですぐにDOMを変更する(=リアクティブなプロパティを変更する)とDragが終了してしまう
+			// SEE: https://stackoverflow.com/questions/19639969/html5-dragend-event-firing-immediately
+			setTimeout(() => {
+				this.dragging = true;
+			}, 10);
 		},
 
 		onDragend(e) {