comparison style/AppEventFilter.h @ 668:dac3781826da thorn-cpp

Experimental branch based on Thorn C++ code from RG

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Vect
+    An experimental audio player for plural recordings of a work
+    Centre for Digital Music, Queen Mary, University of London.
+
+    This file is taken from Rosegarden, a MIDI and audio sequencer and
+    musical notation editor. Copyright 2000-2018 the Rosegarden
+    development team. Thorn style developed in stylesheet form by
+    D. Michael McIntyre and reimplemented as a class by David Faure.
+
+    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 SV_THORN_STYLE_APPEVENT_FILTER_H
+#define SV_THORN_STYLE_APPEVENT_FILTER_H
+
+#include "ThornStyle.h"
+
+/**
+ * The AppEventFilter class is notified when a new widget is created
+ * and can decide whether to apply the Thorn Style to it or not.
+ */
+class AppEventFilter : public QObject
+{
+    Q_OBJECT
+    
+public:
+    AppEventFilter();
+    bool eventFilter(QObject *watched, QEvent *event) override;
+    bool shouldIgnoreThornStyle(QWidget *widget) const;
+    void polishWidget(QWidget *widget);
+
+private:
+    ThornStyle m_style;
+    QPalette m_systemPalette;
+    QStyle *m_systemStyle;
+};
+
+#endif