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/* -*- c++ -*- */
/*
* Copyright 2013-2014 Sylvain Munaut <tnt@246tNt.com>
*
* This 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 3, or (at your option)
* any later version.
*
* This software 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <QtEvents>
#include <QThread>
#include "QGLSurface.h"
#include "qt_sink_c_impl.h"
#include <stdio.h>
namespace gr {
namespace fosphor {
QGLSurface::QGLSurface(QWidget *parent, qt_sink_c_impl *block)
: QGLWidget(parent), d_block(block)
{
/* Save the pointer to the main GUI thread */
this->d_gui_thread = this->thread();
/* QWidget policies */
this->setFocusPolicy(Qt::StrongFocus);
this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
}
void
QGLSurface::paintEvent(QPaintEvent *pe)
{
/* Don't do anything */
/*
* The default implementation calls makeCurrent but here we want
* _other_ threads to be current, so we need a dummy empty impl
* for the paintEvent
*/
}
void
QGLSurface::resizeEvent(QResizeEvent *re)
{
/*
* The default implementation calls makeCurrent but here we want
* _other_ threads to be current, so don't do that !
*/
/* Call back to main block */
this->d_block->cb_reshape(re->size().width(), re->size().height());
}
void
QGLSurface::keyPressEvent(QKeyEvent *ke)
{
switch (ke->key()) {
case Qt::Key_Up:
this->d_block->execute_ui_action(qt_sink_c_impl::REF_DOWN);
break;
case Qt::Key_Down:
this->d_block->execute_ui_action(qt_sink_c_impl::REF_UP);
break;
case Qt::Key_Left:
this->d_block->execute_ui_action(qt_sink_c_impl::DB_PER_DIV_DOWN);
break;
case Qt::Key_Right:
this->d_block->execute_ui_action(qt_sink_c_impl::DB_PER_DIV_UP);
break;
case Qt::Key_Z:
this->d_block->execute_ui_action(qt_sink_c_impl::ZOOM_TOGGLE);
break;
case Qt::Key_W:
this->d_block->execute_ui_action(qt_sink_c_impl::ZOOM_WIDTH_UP);
break;
case Qt::Key_S:
this->d_block->execute_ui_action(qt_sink_c_impl::ZOOM_WIDTH_DOWN);
break;
case Qt::Key_D:
this->d_block->execute_ui_action(qt_sink_c_impl::ZOOM_CENTER_UP);
break;
case Qt::Key_A:
this->d_block->execute_ui_action(qt_sink_c_impl::ZOOM_CENTER_DOWN);
break;
case Qt::Key_Q:
this->d_block->execute_ui_action(qt_sink_c_impl::RATIO_UP);
break;
case Qt::Key_E:
this->d_block->execute_ui_action(qt_sink_c_impl::RATIO_DOWN);
break;
case Qt::Key_Space:
this->d_block->execute_ui_action(qt_sink_c_impl::FREEZE_TOGGLE);
break;
}
}
void
QGLSurface::grabContext()
{
QMetaObject::invokeMethod(
this,
"giveContext",
Qt::BlockingQueuedConnection,
Q_ARG(QThread*, QThread::currentThread())
);
this->makeCurrent();
}
void
QGLSurface::releaseContext()
{
this->doneCurrent();
this->context()->moveToThread(this->d_gui_thread);
}
void
QGLSurface::giveContext(QThread *thread)
{
this->doneCurrent();
this->context()->moveToThread(thread);
}
} /* namespace fosphor */
} /* namespace gr */
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