From 8380edc00c7eb1d3b24dd3615b91d670c10ee801 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Fri, 13 Jan 2017 15:22:08 +0800
Subject: [PATCH] For each cell setting ignore wheel events. Closes #866.

---
 src/gui/advancedsettings.cpp |  4 ++++
 src/gui/advancedsettings.h   | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/gui/advancedsettings.cpp b/src/gui/advancedsettings.cpp
index c6d850991..20a9ee0a8 100644
--- a/src/gui/advancedsettings.cpp
+++ b/src/gui/advancedsettings.cpp
@@ -391,6 +391,10 @@ void AdvancedSettings::loadAdvancedSettings()
 template <typename T>
 void AdvancedSettings::addRow(int row, const QString &rowText, T* widget)
 {
+    // ignore mouse wheel event
+    static WheelEventEater filter;
+    widget->installEventFilter(&filter);
+
     setItem(row, PROPERTY, new QTableWidgetItem(rowText));
     setCellWidget(row, VALUE, widget);
 
diff --git a/src/gui/advancedsettings.h b/src/gui/advancedsettings.h
index 74fc45fab..7f4ba70cb 100644
--- a/src/gui/advancedsettings.h
+++ b/src/gui/advancedsettings.h
@@ -29,6 +29,7 @@
 #ifndef ADVANCEDSETTINGS_H
 #define ADVANCEDSETTINGS_H
 
+#include <QEvent>
 #include <QLabel>
 #include <QSpinBox>
 #include <QCheckBox>
@@ -37,6 +38,22 @@
 #include <QTableWidget>
 
 
+class WheelEventEater: public QObject
+{
+    Q_OBJECT
+
+private:
+    bool eventFilter(QObject *obj, QEvent *event)
+    {
+        switch (event->type()) {
+        case QEvent::Wheel:
+            return true;
+        default:
+            return QObject::eventFilter(obj, event);
+        }
+    }
+};
+
 class AdvancedSettings: public QTableWidget
 {
     Q_OBJECT