Working

bertos/emul/emul.cpp

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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2006 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2000, 2001, 2008 Bernie Innocenti <bernie@codewiz.org>
+ * -->
+ *
+ * \brief Qt-based emulator framework for embedded applications (implementation)
+ *
+ * \author Bernie Innocenti <bernie@codewiz.org>
+ */
+
+#include "emul.h"
+#include "emulwin.h"
+
+#include <cfg/module.h>
+
+#include <QtGui/qapplication.h>
+#include <cstdlib> // std::exit()
+
+
+/// The global emulator instance.
+Emulator *emul;
+
+Emulator::Emulator(int &argc, char **argv) :
+	emulApp(new QApplication(argc, argv)),
+	emulWin(new EmulWin(this))
+{
+	emulWin->show();
+}
+
+
+Emulator::~Emulator()
+{
+	// we don't delete emulWin because it automatically
+	// deletes itself when closed
+	delete emulApp;
+}
+
+
+NORETURN void Emulator::quit()
+{
+	// WHAT A KLUDGE!
+	this->~Emulator();
+	emul = NULL;
+
+	// do we have a better way to shut down the emulation?
+	exit(0);
+}
+
+MOD_DEFINE(emul)
+
+/// Main emulator entry point.
+extern "C" void emul_init(int *argc, char *argv[])
+{
+	// setup global emulator pointer
+	emul = new Emulator(*argc, argv);
+
+	MOD_INIT(emul);
+}
+
+extern "C" void emul_cleanup()
+{
+	MOD_CLEANUP(emul);
+
+	// Timer must be made inactive before we destroy the emulator
+	extern bool timer_initialized;
+	ASSERT(!timer_initialized);
+
+	delete emul;
+	emul = NULL;
+}
+
+extern "C" void emul_idle()
+{
+	// We process GUI events when the application is idle.
+	emul->emulApp->processEvents();
+}
+