mirror of
https://bitbucket.org/librepilot/librepilot.git
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7195862d77
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
151 lines
4.5 KiB
C++
151 lines
4.5 KiB
C++
/**
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******************************************************************************
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*
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* @file joystickcontrol.cpp
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @addtogroup GCSPlugins GCS Plugins
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* @{
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* @addtogroup GCSControlGadgetPlugin GCSControl Gadget Plugin
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* @{
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* @brief A that mimics a transmitter joystick and updates the MCC
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "positionfield.h"
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#include "extensionsystem/pluginmanager.h"
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#include <QDebug>
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#include <QStringList>
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#include <QtGui/QWidget>
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#include <QtGui/QTextEdit>
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#include <QtGui/QVBoxLayout>
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#include <QtGui/QPushButton>
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#include <QtGui/QMessageBox>
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#include <QMouseEvent>
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#include <QtGlobal>
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/**
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* @brief Constructor for JoystickControl widget. Sets up the image of a joystick
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*/
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PositionField::PositionField(QWidget *parent) :
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QGraphicsView(parent)
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{
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setMinimumSize(64,64);
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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setScene(new QGraphicsScene(this));
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setRenderHints(QPainter::Antialiasing);
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m_renderer = new QSvgRenderer();
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Q_ASSERT( m_renderer->load(QString(":/magicwaypoint/images/positionfield.svg")) != 0 );
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m_background = new QGraphicsSvgItem();
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m_background->setSharedRenderer(m_renderer);
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m_background->setElementId(QString("background"));
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m_positiondesired = new QGraphicsSvgItem();
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m_positiondesired->setSharedRenderer(m_renderer);
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m_positiondesired->setElementId(QString("desiredPosition"));
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m_positiondesired->setPos(0,0);
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m_positionactual = new QGraphicsSvgItem();
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m_positionactual->setSharedRenderer(m_renderer);
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m_positionactual->setElementId(QString("actualPosition"));
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m_positionactual->setPos(0,0);
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QGraphicsScene *l_scene = scene();
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l_scene->clear(); // This also deletes all items contained in the scene.
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l_scene->addItem(m_background);
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l_scene->addItem(m_positiondesired);
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l_scene->addItem(m_positionactual);
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l_scene->setSceneRect(m_background->boundingRect());
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}
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PositionField::~PositionField()
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{
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}
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/**
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* @brief Update aircraft position on image (values go from -1 to 1)
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*/
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void PositionField::updateDesiredIndicator(double north, double east)
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{
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QRectF sceneSize = scene()->sceneRect();
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m_positiondesired->setPos(
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(east+1)/2*sceneSize.width() - m_positiondesired->boundingRect().width() / 2,
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(-north+1)/2*sceneSize.height() - m_positiondesired->boundingRect().height() / 2);
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}
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void PositionField::updateActualIndicator(double north, double east)
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{
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QRectF sceneSize = scene()->sceneRect();
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m_positionactual->setPos(
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(east+1)/2*sceneSize.width() - m_positionactual->boundingRect().width() / 2,
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(-north+1)/2*sceneSize.height() - m_positionactual->boundingRect().height() / 2);
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}
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/**
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* @brief Redirect mouse move events to control position
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*/
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void PositionField::mouseMoveEvent(QMouseEvent *event)
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{
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QPointF point = mapToScene(event->pos());
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QRectF sceneSize = scene()->sceneRect();
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double north = - (point.y() / sceneSize.height() - .5) * 2;
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double east = (point.x() / sceneSize.width() - .5) * 2;
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emit positionClicked(north, east);
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}
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/**
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* @brief Redirect mouse move clicks to control position
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*/
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void PositionField::mousePressEvent(QMouseEvent *event)
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{
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if( event->button() == Qt::LeftButton ) {
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mouseMoveEvent(event);
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}
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}
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void PositionField::paint()
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{
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update();
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}
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void PositionField::paintEvent(QPaintEvent *event)
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{
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// Skip painting until the dial file is loaded
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if (! m_renderer->isValid()) {
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qDebug()<<"Image file not loaded, not rendering";
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}
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QGraphicsView::paintEvent(event);
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}
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void PositionField::resizeEvent(QResizeEvent *event)
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{
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Q_UNUSED(event);
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fitInView(m_background, Qt::IgnoreAspectRatio );
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}
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/**
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* @}
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* @}
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*/
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