2024-02-09 Fred Gleason <fredg@paravelsystems.com>

* Added a 'RDEventFilter' class.
	* Fixed bugs in rdairplay(1) that caused scroll bars to appear when
	loading web content into the message widget.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>

lib/rdeventfilter.cpp

@@ -0,0 +1,59 @@
+// rdeventfilter.cpp
+//
+// Filter one or more window system events
+//
+//   (C) Copyright 2024 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#include <QKeyEvent>
+
+#include <stdio.h>
+
+#include "rdeventfilter.h"
+
+RDEventFilter::RDEventFilter(QObject *parent)
+{
+}
+
+
+QList<QEvent::Type> RDEventFilter::filterList() const
+{
+  return d_filter_types;
+}
+
+
+void RDEventFilter::addFilter(QEvent::Type type)
+{
+  if(!d_filter_types.contains(type)) {
+    d_filter_types.push_back(type);
+  }
+}
+
+
+void RDEventFilter::removeFilter(QEvent::Type type)
+{
+  d_filter_types.removeAll(type);
+}
+
+
+bool RDEventFilter::eventFilter(QObject *obj,QEvent *e)
+{
+  if(d_filter_types.contains(e->type())) {
+    // Block it
+    return true;
+  }
+  return QObject::eventFilter(obj,e);
+}