From effdec75bde7765ce612f3dacd2cba1982430736 Mon Sep 17 00:00:00 2001
From: Liam Treacy <liam.treacy@gmail.com>
Date: Thu, 6 Dec 2018 09:32:21 +0000
Subject: [PATCH] Fix crash when changing wxQt wxScrollBar position

wxScrollBar::SetScrollbar() now blocks the signals of QScrollBar before
setting a value, which avoids behaviour where slots are called before
the QScrollBar is displayed.

Closes https://github.com/wxWidgets/wxWidgets/pull/1050
---
 src/qt/scrolbar.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/qt/scrolbar.cpp b/src/qt/scrolbar.cpp
index 99db6cc451..e848bf2c0c 100644
--- a/src/qt/scrolbar.cpp
+++ b/src/qt/scrolbar.cpp
@@ -100,7 +100,9 @@ void wxScrollBar::SetScrollbar(int position, int WXUNUSED(thumbSize),
     {
         m_qtScrollBar->setRange( 0, range - pageSize );
         m_qtScrollBar->setPageStep( pageSize );
+        m_qtScrollBar->blockSignals(true);
         m_qtScrollBar->setValue( position );
+        m_qtScrollBar->blockSignals(false);
         m_qtScrollBar->show();
     }
     else