gr-fosphor/lib/qt_sink_c_impl.cc

116 lines
1.6 KiB
C++

/* -*- c++ -*- */
/*
* Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
*
* This file is part of gr-fosphor
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifdef ENABLE_PYTHON
# include <Python.h>
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "qt_sink_c_impl.h"
#include <QApplication>
#include <QWidget>
#include <QGLWidget>
#include "QGLSurface.h"
namespace gr {
namespace fosphor {
qt_sink_c::sptr
qt_sink_c::make(QWidget *parent)
{
return gnuradio::get_initial_sptr(new qt_sink_c_impl(parent));
}
qt_sink_c_impl::qt_sink_c_impl(QWidget *parent)
: base_sink_c("qt_sink_c")
{
/* QT stuff */
if(qApp != NULL) {
d_qApplication = qApp;
}
else {
int argc=0;
char **argv = NULL;
d_qApplication = new QApplication(argc, argv);
}
this->d_gui = new QGLSurface(parent, this);
}
void
qt_sink_c_impl::glctx_init()
{
this->d_gui->grabContext();
this->d_gui->setFocus();
}
void
qt_sink_c_impl::glctx_swap()
{
this->d_gui->swapBuffers();
}
void
qt_sink_c_impl::glctx_poll()
{
/* Nothing to do */
}
void
qt_sink_c_impl::glctx_fini()
{
this->d_gui->releaseContext();
}
void
qt_sink_c_impl::glctx_update()
{
this->d_gui->makeCurrent();
}
void
qt_sink_c_impl::exec_()
{
d_qApplication->exec();
}
QWidget*
qt_sink_c_impl::qwidget()
{
return dynamic_cast<QWidget*>(this->d_gui);
}
#ifdef ENABLE_PYTHON
PyObject*
qt_sink_c_impl::pyqwidget()
{
PyObject *w = PyLong_FromVoidPtr((void*)dynamic_cast<QWidget*>(this->d_gui));
PyObject *retarg = Py_BuildValue("N", w);
return retarg;
}
#else
void*
qt_sink_c_impl::pyqwidget()
{
return NULL;
}
#endif
} /* namespace fosphor */
} /* namespace gr */