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mirror of https://bitbucket.org/librepilot/librepilot.git synced 2024-12-12 20:08:48 +01:00
LibrePilot/ground/openpilotgcs/src/plugins/magicwaypoint/positionfield.cpp
stac 7195862d77 build: Move openpilotgcs into its own subdirectory
This will allow us to build a parent project for
qt-creator that sits above both openpilotgcs and
uavobjgenerator so that we can build both projects
at the same time.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2528 ebee16cc-31ac-478f-84a7-5cbb03baadba
2011-01-22 17:40:26 +00:00

151 lines
4.5 KiB
C++

/**
******************************************************************************
*
* @file joystickcontrol.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @addtogroup GCSPlugins GCS Plugins
* @{
* @addtogroup GCSControlGadgetPlugin GCSControl Gadget Plugin
* @{
* @brief A that mimics a transmitter joystick and updates the MCC
*****************************************************************************/
/*
* 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 3 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "positionfield.h"
#include "extensionsystem/pluginmanager.h"
#include <QDebug>
#include <QStringList>
#include <QtGui/QWidget>
#include <QtGui/QTextEdit>
#include <QtGui/QVBoxLayout>
#include <QtGui/QPushButton>
#include <QtGui/QMessageBox>
#include <QMouseEvent>
#include <QtGlobal>
/**
* @brief Constructor for JoystickControl widget. Sets up the image of a joystick
*/
PositionField::PositionField(QWidget *parent) :
QGraphicsView(parent)
{
setMinimumSize(64,64);
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
setScene(new QGraphicsScene(this));
setRenderHints(QPainter::Antialiasing);
m_renderer = new QSvgRenderer();
Q_ASSERT( m_renderer->load(QString(":/magicwaypoint/images/positionfield.svg")) != 0 );
m_background = new QGraphicsSvgItem();
m_background->setSharedRenderer(m_renderer);
m_background->setElementId(QString("background"));
m_positiondesired = new QGraphicsSvgItem();
m_positiondesired->setSharedRenderer(m_renderer);
m_positiondesired->setElementId(QString("desiredPosition"));
m_positiondesired->setPos(0,0);
m_positionactual = new QGraphicsSvgItem();
m_positionactual->setSharedRenderer(m_renderer);
m_positionactual->setElementId(QString("actualPosition"));
m_positionactual->setPos(0,0);
QGraphicsScene *l_scene = scene();
l_scene->clear(); // This also deletes all items contained in the scene.
l_scene->addItem(m_background);
l_scene->addItem(m_positiondesired);
l_scene->addItem(m_positionactual);
l_scene->setSceneRect(m_background->boundingRect());
}
PositionField::~PositionField()
{
}
/**
* @brief Update aircraft position on image (values go from -1 to 1)
*/
void PositionField::updateDesiredIndicator(double north, double east)
{
QRectF sceneSize = scene()->sceneRect();
m_positiondesired->setPos(
(east+1)/2*sceneSize.width() - m_positiondesired->boundingRect().width() / 2,
(-north+1)/2*sceneSize.height() - m_positiondesired->boundingRect().height() / 2);
}
void PositionField::updateActualIndicator(double north, double east)
{
QRectF sceneSize = scene()->sceneRect();
m_positionactual->setPos(
(east+1)/2*sceneSize.width() - m_positionactual->boundingRect().width() / 2,
(-north+1)/2*sceneSize.height() - m_positionactual->boundingRect().height() / 2);
}
/**
* @brief Redirect mouse move events to control position
*/
void PositionField::mouseMoveEvent(QMouseEvent *event)
{
QPointF point = mapToScene(event->pos());
QRectF sceneSize = scene()->sceneRect();
double north = - (point.y() / sceneSize.height() - .5) * 2;
double east = (point.x() / sceneSize.width() - .5) * 2;
emit positionClicked(north, east);
}
/**
* @brief Redirect mouse move clicks to control position
*/
void PositionField::mousePressEvent(QMouseEvent *event)
{
if( event->button() == Qt::LeftButton ) {
mouseMoveEvent(event);
}
}
void PositionField::paint()
{
update();
}
void PositionField::paintEvent(QPaintEvent *event)
{
// Skip painting until the dial file is loaded
if (! m_renderer->isValid()) {
qDebug()<<"Image file not loaded, not rendering";
}
QGraphicsView::paintEvent(event);
}
void PositionField::resizeEvent(QResizeEvent *event)
{
Q_UNUSED(event);
fitInView(m_background, Qt::IgnoreAspectRatio );
}
/**
* @}
* @}
*/