status icon plugin: mouse wheel volume control

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@678 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 59 insertions, 0 deletions

diff --git a/src/plugins/General/statusicon/qmmptrayicon.cpp b/src/plugins/General/statusicon/qmmptrayicon.cpp
new file mode 100644
index 000000000..1d8605af5
--- /dev/null
+++ b/src/plugins/General/statusicon/qmmptrayicon.cpp
@@ -0,0 +1,59 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <QEvent>
+#include <QWheelEvent>
+
+#include <qmmp/soundcore.h>
+
+#include "qmmptrayicon.h"
+
+QmmpTrayIcon::QmmpTrayIcon(QObject *parent)
+        : QSystemTrayIcon(parent)
+{
+}
+
+
+QmmpTrayIcon::~QmmpTrayIcon()
+{
+}
+
+bool QmmpTrayIcon::event(QEvent *e)
+{
+    if (e->type() == QEvent::Wheel )
+    {
+        wheelEvent((QWheelEvent *) e);
+        e->accept();
+        return TRUE;
+    }
+    return QSystemTrayIcon::event(e);
+}
+
+void QmmpTrayIcon::wheelEvent(QWheelEvent *e)
+{
+    SoundCore *core = SoundCore::instance();
+    int volume = qMax(core->leftVolume(), core->rightVolume());
+    int balance = (core->rightVolume() - core->leftVolume()) * 100 / volume;
+    volume += e->delta()/20;
+    volume = qMax(volume,0);
+    volume = qMin(volume,100);
+    core->setVolume(volume - qMax(balance,0)*volume/100,
+                    volume + qMin(balance,0)*volume/100);
+}