2 Situare - A location system for Facebook
3 Copyright (C) 2010 Ixonos Plc. Authors:
5 Sami Rämö - sami.ramo@ixonos.com
6 Pekka Nissinen - pekka.nissinen@ixonos.com
8 Situare is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License
10 version 2 as published by the Free Software Foundation.
12 Situare is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Situare; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
26 #include <QMouseEvent>
28 #include "mapcommon.h"
31 MapView::MapView(QWidget *parent)
32 : QGraphicsView(parent)
34 qDebug() << __PRETTY_FUNCTION__;
36 setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
37 setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
39 m_zoomAnimation = new QPropertyAnimation(this, "viewScale", this);
40 connect(m_zoomAnimation, SIGNAL(finished()),
41 this, SIGNAL(viewZoomFinished()));
44 void MapView::setZoomLevel(int zoomLevel)
46 qDebug() << __PRETTY_FUNCTION__;
48 if (m_zoomAnimation) {
49 m_zoomAnimation->stop();
50 m_zoomAnimation->setDuration(ZOOM_TIME);
51 m_zoomAnimation->setStartValue(viewScale());
52 m_zoomAnimation->setEndValue(pow(2, zoomLevel - MAX_MAP_ZOOM_LEVEL));
54 m_zoomAnimation->start();
58 qreal MapView::viewScale()
60 qDebug() << __PRETTY_FUNCTION__;
62 return transform().m11();
65 void MapView::setViewScale(qreal viewScale)
67 qDebug() << __PRETTY_FUNCTION__;
70 transform.scale(viewScale, viewScale);
71 setTransform(transform);
72 emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
75 void MapView::mouseMoveEvent(QMouseEvent *event)
77 m_scenePosition += m_mousePosition - mapToScene(event->pos()).toPoint();
79 qDebug() << __PRETTY_FUNCTION__ << "m_scenePosition:" << m_scenePosition;
81 emit viewScrolled(m_scenePosition);
83 m_mousePosition = mapToScene(event->pos()).toPoint();
84 emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
87 void MapView::mousePressEvent(QMouseEvent *event)
89 qDebug() << __PRETTY_FUNCTION__;
91 QGraphicsView::mousePressEvent(event); // Temporary solution
93 m_mousePosition = mapToScene(event->pos()).toPoint();
94 m_scenePosition = mapToScene(width() / 2 - 1, height() / 2 - 1).toPoint();
97 void MapView::centerToSceneCoordinates(QPoint sceneCoordinate)
99 qDebug() << __PRETTY_FUNCTION__ << "sceneCoordinate" << sceneCoordinate;
101 centerOn(sceneCoordinate);
104 void MapView::resizeEvent(QResizeEvent *event)
106 qDebug() << __PRETTY_FUNCTION__ << "Resize:" << event->size();
108 emit viewResized(event->size());
109 emit viewResizedNewSize(viewport()->width(), viewport()->height());
110 emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
113 void MapView::showEvent(QShowEvent *event)
115 qDebug() << __PRETTY_FUNCTION__;
117 QGraphicsView::showEvent(event);
118 emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());