From ca2fde0c55aae63cb0460d1df46c2eed73e6546f Mon Sep 17 00:00:00 2001
From: shutingrz <shu@shuttle.ne.jp>
Date: Thu, 18 Jul 2019 08:22:20 -0700
Subject: [PATCH] fix null pointer access

---
 frameplaybackwindow.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/frameplaybackwindow.cpp b/frameplaybackwindow.cpp
index a156adb..7da98ef 100644
--- a/frameplaybackwindow.cpp
+++ b/frameplaybackwindow.cpp
@@ -275,7 +275,11 @@ void FramePlaybackWindow::loadFilters()
 
 void FramePlaybackWindow::refreshIDList()
 {
-    if (currentSeqNum < 0 || currentSeqItem == NULL) return;
+    if (currentSeqNum < 0 || currentSeqItem == NULL)
+    {
+        ui->listID->clear();
+        return;
+    }
 
     ui->tblSequence->setCurrentCell(currentSeqNum, 0);
 
@@ -461,6 +465,7 @@ void FramePlaybackWindow::btnDeleteCurrSeq()
         currentSeqNum = -1;
         currentSeqItem = NULL;
     }
+    refreshIDList();
     updateFrameLabel();
 }