diff --git a/libs/ui/input/KisQtWidgetsTweaker.cpp b/libs/ui/input/KisQtWidgetsTweaker.cpp
index a21b3a3..8c25cca 100644
--- a/libs/ui/input/KisQtWidgetsTweaker.cpp
+++ b/libs/ui/input/KisQtWidgetsTweaker.cpp
@@ -56,6 +56,48 @@ KisQtWidgetsTweaker::~KisQtWidgetsTweaker()
 
 }
 
+QKeySequence toKeySequence(const QKeyEvent& event)
+{
+    return QKeySequence(event.key() | event.modifiers());
+}
+
+struct StandardSequence
+{
+    QVector<QLatin1String> widgetTypes;
+    QVector<QKeySequence::StandardKey> sequences;
+
+    bool matches(QKeyEvent *event, QKeySequence::StandardKey key) {
+        return event->matches(key);
+    }
+};
+
+struct CustomSequence
+{
+    QVector<QLatin1String> widgetTypes;
+    QVector<QKeySequence> sequences;
+
+    bool matches(QKeyEvent *event, QKeySequence key) {
+        return key.matches(toKeySequence(*event)) == QKeySequence::ExactMatch;
+    }
+};
+
+template <class SequenceMap>
+bool tryAcceptSequence(QObject *receiver, QEvent *event, const SequenceMap &sequenceMap)
+{
+    Q_FOREACH (const QLatin1String &type, sequenceMap.widgetTypes) {
+        if (receiver->inherits(type.data())) {
+            QKeyEvent* key = static_cast<QKeyEvent*>(event);
+            Q_FOREACH (QKeySequence seq, sequenceMap.sequences) {
+                if (sequenceMap.matches(key, seq)) {
+                    event->accept();
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
+
 bool KisQtWidgetsTweaker::eventFilter(QObject *receiver, QEvent *event)
 {