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moved rtabmap-ros-pkg project in this project

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git-svn-id: http://rtabmap.googlecode.com/svn/branches/0.3/rtabmap@52 f169173b-cf89-36c8-b27e-44dbe73f0c83
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matlabbe
2011-06-05 14:45:39 +00:00
commit 2d73090f3a
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118
guilib/src/KeypointItem.cpp Normal file
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/*
* Copyright (C) 2010-2011, Mathieu Labbe and IntRoLab - Universite de Sherbrooke
*
* This file is part of RTAB-Map.
*
* RTAB-Map 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.
*
* RTAB-Map 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 RTAB-Map. If not, see <http://www.gnu.org/licenses/>.
*/
#include "KeypointItem.h"
#include <QtGui/QPen>
#include <QtGui/QBrush>
#include <QtGui/QGraphicsScene>
#include "utilite/ULogger.h"
namespace rtabmap {
KeypointItem::KeypointItem(qreal x, qreal y, int r, const QString & info, const QColor & color, QGraphicsItem * parent) :
QGraphicsEllipseItem(x, y, r, r, parent),
_info(info),
_placeHolder(0)
{
this->setPen(QPen(color));
this->setBrush(QBrush(color));
this->setAcceptsHoverEvents(true);
this->setFlag(QGraphicsItem::ItemIsFocusable, true);
_width = pen().width();
}
KeypointItem::~KeypointItem()
{
/*if(_placeHolder)
{
delete _placeHolder;
}*/
}
void KeypointItem::showDescription()
{
if(!_placeHolder)
{
_placeHolder = new QGraphicsRectItem (this);
_placeHolder->setVisible(false);
_placeHolder->setBrush(QBrush(QColor ( 0, 0, 0, 170 ))); // Black transparent background
QGraphicsTextItem * text = new QGraphicsTextItem(_placeHolder);
text->setDefaultTextColor(this->pen().color().rgb());
text->setPlainText(_info);
_placeHolder->setRect(text->boundingRect());
}
if(_placeHolder->parentItem())
{
_placeHolder->setParentItem(0); // Make it a to level item
}
QPen pen = this->pen();
this->setPen(QPen(pen.color(), _width+2));
_placeHolder->setZValue(this->zValue()+1);
_placeHolder->setPos(this->mapFromScene(0,0));
_placeHolder->setVisible(true);
}
void KeypointItem::hideDescription()
{
if(_placeHolder)
{
_placeHolder->setVisible(false);
}
this->setPen(QPen(pen().color(), _width));
}
void KeypointItem::hoverEnterEvent ( QGraphicsSceneHoverEvent * event )
{
QGraphicsScene * scene = this->scene();
if(scene && scene->focusItem() == 0)
{
this->showDescription();
}
else
{
this->setPen(QPen(pen().color(), _width+2));
}
QGraphicsEllipseItem::hoverEnterEvent(event);
}
void KeypointItem::hoverLeaveEvent ( QGraphicsSceneHoverEvent * event )
{
if(!this->hasFocus())
{
this->hideDescription();
}
QGraphicsEllipseItem::hoverEnterEvent(event);
}
void KeypointItem::focusInEvent ( QFocusEvent * event )
{
this->showDescription();
QGraphicsEllipseItem::focusInEvent(event);
}
void KeypointItem::focusOutEvent ( QFocusEvent * event )
{
this->hideDescription();
QGraphicsEllipseItem::focusOutEvent(event);
}
}