Improve performance of protocol decoder

DSView/dsapplication.cpp

+/*
+ * This file is part of the DSView project.
+ * DSView is based on PulseView.
+ *
+ * Copyright (C) 2016 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "dsapplication.h"
+
+#include <QMessageBox>
+
+DSApplication::DSApplication(int &argc, char **argv):
+    QApplication(argc, argv)
+{
+}
+
+bool DSApplication::notify(QObject *receiver_, QEvent *event_)
+{
+    try {
+        return QApplication::notify(receiver_, event_);
+    } catch ( std::exception& e ) {
+        QMessageBox msg(NULL);
+        msg.setText("Application Error");
+        msg.setInformativeText(e.what());
+        msg.setStandardButtons(QMessageBox::Ok);
+        msg.setIcon(QMessageBox::Warning);
+        msg.exec();
+        //QMessageBox::warning(NULL, "Application Error", e.what())
+        return false;
+    }
+}

DSView/dsapplication.h

+/*
+ * This file is part of the DSView project.
+ * DSView is based on PulseView.
+ *
+ * Copyright (C) 2016 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef DSVIEW_DSAPPLICATION_H
+#define DSVIEW_DSAPPLICATION_H
+
+#include <QObject>
+#include <QApplication>
+
+class DSApplication : public QApplication
+{
+public:
+    DSApplication(int &argc, char ** argv);
+    // ~MyApplication();
+private:
+    bool notify(QObject *receiver_, QEvent *event_);
+};
+
+#endif // DSVIEW_DSAPPLICATION_H