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/*
* Copyright 2008-2009 Ben Boeckel <MathStuf@gmail.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
// Header include
#include "MapItem.h"
// Sigmod includes
#include <sigmod/Map.h>
// KDE includes
#include <KColorScheme>
// Qt includes
#include <QtGui/QGraphicsScene>
#include <QtGui/QGraphicsSceneMouseEvent>
#include <QtGui/QGraphicsSimpleTextItem>
#include <QtGui/QPainter>
#include <QtGui/QStyleOptionGraphicsItem>
using namespace Sigmod;
using namespace Sigmodr::Widgets;
MapItem::MapItem(Map* map, QGraphicsScene* parent) :
QObject(parent),
m_map(map),
m_tag(new QGraphicsSimpleTextItem(this)),
m_label(new QGraphicsSimpleTextItem(this))
{
setAcceptHoverEvents(true);
setFlags(ItemIsMovable | ItemIsSelectable | ItemDoesntPropagateOpacityToChildren);
m_tag->setPos(-5, -8);
m_label->hide();
}
MapItem::~MapItem()
{
}
void MapItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
Q_UNUSED(widget)
if (option->state & QStyle::State_MouseOver)
{
painter->setPen(QPen(KStatefulBrush(KColorScheme::View, KColorScheme::HoverColor).brush(QPalette::Active), 3));
painter->drawRect(boundingRect());
}
if (option->state & QStyle::State_Selected)
{
painter->setPen(QPen(KStatefulBrush(KColorScheme::Selection, KColorScheme::ActiveBackground).brush(QPalette::Active), 3));
painter->drawRect(boundingRect());
}
}
void MapItem::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
{
m_label->show();
QGraphicsItem::hoverEnterEvent(event);
update();
}
void MapItem::hoverLeaveEvent(QGraphicsSceneHoverEvent* event)
{
m_label->hide();
QGraphicsItem::hoverLeaveEvent(event);
update();
}
void MapItem::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
QRectF mapRect = QRect(0, 0, m_map->width(), m_map->height());
QRectF rect = QRectF(event->scenePos() - event->buttonDownPos(Qt::LeftButton), boundingRect().size());
if (!mapRect.contains(rect))
{
if (rect.left() < 0)
rect.moveLeft(0);
else if (mapRect.right() < rect.right())
rect.moveRight(mapRect.right());
if (rect.top() < 0)
rect.moveTop(0);
else if (mapRect.bottom() < rect.bottom())
rect.moveBottom(mapRect.bottom());
setPos(rect.topLeft().toPoint());
event->accept();
}
else
QGraphicsItem::mouseMoveEvent(event);
moveTo(scenePos().toPoint());
update();
}
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