vcs.maemo.org Git - situare/blob - src/ui/mapviewscreen.cpp

   1 /*
   2    Situare - A location system for Facebook
   3    Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5       Kaj Wallin - kaj.wallin@ixonos.com
   6
   7    Situare is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public License
   9    version 2 as published by the Free Software Foundation.
  10
  11    Situare is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with Situare; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  19    USA.
  20 */
  21
  22 #include "mapviewscreen.h"
  23 #include "map/mapview.h"
  24 #include "panelcommon.h"
  25 #include "panelsidebar.h"
  26
  27 MapViewScreen::MapViewScreen(QWidget *parent)
  28    : QWidget(parent),
  29      m_autoCenteringEnabled(false)
  30 {
  31     MapView *mapView = new MapView(this);
  32     m_mapEngine = new MapEngine(this);
  33     mapView->setScene(m_mapEngine->scene());
  34
  35     m_friendsListPanel = new FriendListPanel(this);
  36     m_userPanel = new UserInfoPanel(this);
  37     PanelSideBar *userPanelSidebar = new PanelSideBar(this, LEFT);
  38     PanelSideBar *friendsListPanelSidebar = new PanelSideBar(this, RIGHT);
  39
  40     m_zoomButtonPanel = new ZoomButtonPanel(this, ZOOM_BUTTON_PANEL_POSITION_X,
  41                                             ZOOM_BUTTON_PANEL_POSITION_Y);
  42
  43     m_ownLocationCrosshair = 0;
  44
  45     connect(mapView, SIGNAL(viewScrolled(QPoint)),
  46             m_mapEngine, SLOT(setLocation(QPoint)));
  47     connect(m_mapEngine, SIGNAL(locationChanged(QPoint)),
  48             mapView, SLOT(centerToSceneCoordinates(QPoint)));
  49     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
  50             mapView, SLOT(setZoomLevel(int)));
  51     connect(mapView, SIGNAL(viewResized(QSize)),
  52             m_mapEngine, SLOT(viewResized(QSize)));
  53     connect(mapView, SIGNAL(updateViewContent(QRect)),
  54             m_mapEngine, SLOT(receiveViewSceneRect(QRect)));
  55     connect(mapView, SIGNAL(viewZoomFinished()),
  56             m_mapEngine, SLOT(viewZoomFinished()));
  57
  58     connect(this, SIGNAL(zoomInKeyPressed()),
  59             m_mapEngine, SLOT(zoomIn()));
  60     connect(this, SIGNAL(zoomOutKeyPressed()),
  61             m_mapEngine, SLOT(zoomOut()));
  62
  63     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  64             this, SLOT(drawOsmLicense(int, int)));
  65     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  66             m_friendsListPanel, SLOT(reDrawFriendsPanel(int, int)));
  67     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  68             m_userPanel, SLOT(reDrawUserPanel(int, int)));
  69     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  70             friendsListPanelSidebar, SLOT(reDrawSidebar(int, int)));
  71
  72     connect(m_zoomButtonPanel->m_zoomInBtn, SIGNAL(clicked()),
  73             m_mapEngine, SLOT(zoomIn()));
  74     connect(m_zoomButtonPanel->m_zoomOutBtn, SIGNAL(clicked()),
  75             m_mapEngine, SLOT(zoomOut()));
  76
  77     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
  78             m_friendsListPanel, SLOT(friendInfoReceived(QList<User*>&)));
  79     connect(m_friendsListPanel, SIGNAL(findFriend(QPointF)),
  80             m_mapEngine, SLOT(setViewLocation(QPointF)));
  81
  82     connect(this, SIGNAL(userLocationReady(User*)),
  83             m_mapEngine, SLOT(receiveOwnLocation(User*)));
  84     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
  85             m_mapEngine, SIGNAL(friendsLocationsReady(QList<User*>&)));
  86
  87     connect(m_mapEngine, SIGNAL(mapScrolled()),
  88             this, SLOT(locationChanged()));
  89
  90     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  91             this, SLOT(drawOwnLocationCrosshair(int, int)));
  92
  93     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  94              this, SLOT(setViewPortSize(int, int)));
  95
  96     connect(m_mapEngine, SIGNAL(requestToGetViewPortContents()),
  97             mapView, SLOT(viewportContent()));
  98     connect(mapView, SIGNAL(updateViewContent(QRect)),
  99             m_mapEngine, SLOT(receiveViewSceneRect(QRect)));
 100     connect(this, SIGNAL(requestOwnLocation()),
 101             m_mapEngine, SLOT(ownLocation()));
 102     connect(m_mapEngine, SIGNAL(ownLocation(QPointF)),
 103             this, SIGNAL(ownLocation(QPointF)));
 104
 105     QHBoxLayout *mapViewLayout = new QHBoxLayout;
 106
 107     m_osmLicense = new QLabel(this);
 108     m_osmLicense->setAttribute(Qt::WA_TranslucentBackground, true);
 109     m_osmLicense->setAttribute(Qt::WA_TransparentForMouseEvents, true);
 110     m_osmLicense->setText("<font color='black'>" + OSM_LICENSE + "</font>");
 111     m_osmLicense->setFont(QFont("Nokia Sans", 9));
 112     m_osmLicense->resize(m_osmLicense->fontMetrics().width(OSM_LICENSE),
 113                          m_osmLicense->fontMetrics().height());
 114
 115     m_friendsListPanel->stackUnder(friendsListPanelSidebar);
 116     userPanelSidebar->stackUnder(m_friendsListPanel);
 117     m_userPanel->stackUnder(userPanelSidebar);
 118     m_zoomButtonPanel->stackUnder(m_userPanel);
 119     m_osmLicense->stackUnder(m_zoomButtonPanel);
 120     mapView->stackUnder(m_osmLicense);
 121
 122     mapViewLayout->addWidget(mapView);
 123     setLayout(mapViewLayout);
 124
 125     mapViewLayout->setMargin(0);
 126
 127     m_mapEngine->init();
 128
 129     setObjectName("Map view");
 130 }
 131
 132 void MapViewScreen::drawOsmLicense(int width, int height)
 133 {
 134     qDebug() << __PRETTY_FUNCTION__ << width << "x" << height;
 135     m_osmLicense->move(width - m_osmLicense->fontMetrics().width(OSM_LICENSE) - PANEL_PEEK_AMOUNT,
 136                         height - m_osmLicense->fontMetrics().height());
 137 }
 138
 139 void MapViewScreen::locationChanged()
 140 {
 141     qDebug() << __PRETTY_FUNCTION__;
 142
 143     if (m_autoCenteringEnabled)
 144         emit mapLocationChanged();
 145 }
 146
 147 void MapViewScreen::positionReceived(QPointF position, qreal accuracy)
 148 {
 149     qDebug() << __PRETTY_FUNCTION__;
 150
 151     if (m_autoCenteringEnabled)
 152         m_mapEngine->setViewLocation(position);
 153 }
 154
 155 void MapViewScreen::enableAutoCentering(bool enabled)
 156 {
 157     qDebug() << __PRETTY_FUNCTION__;
 158
 159     m_autoCenteringEnabled = enabled;
 160     m_mapEngine->setAutoCentering(enabled);
 161 }
 162
 163 void MapViewScreen::drawOwnLocationCrosshair(int width, int height)
 164 {
 165     qDebug() << __PRETTY_FUNCTION__;
 166
 167     if (m_drawOwnLocationCrosshair) {
 168         m_ownLocationCrosshair->move(width/2 - m_ownLocationCrosshair->pixmap()->width()/2,
 169                             height/2 - m_ownLocationCrosshair->pixmap()->height()/2);
 170     }
 171 }
 172
 173 void MapViewScreen::setOwnLocationCrosshairVisibility(bool visibility)
 174 {
 175     if (visibility == false) {
 176
 177         if (m_ownLocationCrosshair == 0) {
 178             m_ownLocationCrosshair = new QLabel(this);
 179             QPixmap crosshairImage(":/res/images/sight.png");
 180             m_ownLocationCrosshair->setPixmap(crosshairImage);
 181             m_ownLocationCrosshair->setFixedSize(crosshairImage.size());
 182         }
 183
 184         m_ownLocationCrosshair->show();
 185         m_drawOwnLocationCrosshair = true;
 186         drawOwnLocationCrosshair(m_viewPortWidth, m_viewPortHeight);
 187     }
 188
 189     else {
 190         m_ownLocationCrosshair->hide();
 191         m_drawOwnLocationCrosshair = false;
 192     }
 193 }
 194
 195 void MapViewScreen::setViewPortSize(int width, int height)
 196 {
 197     m_viewPortWidth = width;
 198     m_viewPortHeight = height;
 199 }