comparison widgets/NotifyingComboBox.h @ 0:fc9323a41f5a

start base : Sonic Visualiser sv1-1.0rc1

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2007 QMUL.
+    
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _NOTIFYING_COMBO_BOX_H_
+#define _NOTIFYING_COMBO_BOX_H_
+
+#include <QComboBox>
+
+/**
+ * Very trivial enhancement to QComboBox to make it emit signals when
+ * the mouse enters and leaves (for context help).
+ */
+
+class NotifyingComboBox : public QComboBox
+{
+    Q_OBJECT
+public:
+
+    NotifyingComboBox(QWidget *parent = 0) :
+        QComboBox(parent) { }
+
+    virtual ~NotifyingComboBox();
+
+signals:
+    void mouseEntered();
+    void mouseLeft();
+
+protected:
+    virtual void enterEvent(QEvent *);
+    virtual void leaveEvent(QEvent *);
+};
+
+#endif
+