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::centerToSceneCoordinates(QPoint sceneCoordinate)
46 qDebug() << __PRETTY_FUNCTION__ << "sceneCoordinate" << sceneCoordinate;
48 centerOn(sceneCoordinate);
51 void MapView::mouseMoveEvent(QMouseEvent *event)
53 m_scenePosition += m_mousePosition - mapToScene(event->pos()).toPoint();
55 qDebug() << __PRETTY_FUNCTION__ << "m_scenePosition:" << m_scenePosition;
57 emit viewScrolled(m_scenePosition);
59 m_mousePosition = mapToScene(event->pos()).toPoint();
62 void MapView::mousePressEvent(QMouseEvent *event)
64 qDebug() << __PRETTY_FUNCTION__;
66 QGraphicsView::mousePressEvent(event); // Temporary solution
68 m_mousePosition = mapToScene(event->pos()).toPoint();
69 m_scenePosition = mapToScene(width() / 2 - 1, height() / 2 - 1).toPoint();
72 void MapView::resizeEvent(QResizeEvent *event)
74 qDebug() << __PRETTY_FUNCTION__ << "Resize:" << event->size();
76 emit viewResized(event->size());
79 void MapView::setViewScale(qreal viewScale)
81 qDebug() << __PRETTY_FUNCTION__;
84 transform.scale(viewScale, viewScale);
85 setTransform(transform);
88 void MapView::setZoomLevel(int zoomLevel)
90 qDebug() << __PRETTY_FUNCTION__;
92 if (m_zoomAnimation) {
93 m_zoomAnimation->stop();
94 m_zoomAnimation->setDuration(ZOOM_TIME);
95 m_zoomAnimation->setStartValue(viewScale());
96 m_zoomAnimation->setEndValue(pow(2, zoomLevel - MAX_MAP_ZOOM_LEVEL));
98 m_zoomAnimation->start();
102 qreal MapView::viewScale()
104 qDebug() << __PRETTY_FUNCTION__;
106 return transform().m11();