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 {
  30     MapView *mapView = new MapView(this);
  31     m_mapEngine = new MapEngine(this);
  32     mapView->setScene(m_mapEngine->scene());
  33
  34     m_friendsListPanel = new FriendListPanel(this);
  35     m_userPanel = new UserInfoPanel(this);
  36     PanelSideBar *userPanelSidebar = new PanelSideBar(this, LEFT);
  37     PanelSideBar *friendsListPanelSidebar = new PanelSideBar(this, RIGHT);
  38
  39     m_zoomButtonPanel = new ZoomButtonPanel(this, ZOOM_BUTTON_PANEL_POSITION_X,
  40                                             ZOOM_BUTTON_PANEL_POSITION_Y);
  41
  42     m_ownLocationCrosshair = 0;
  43
  44     connect(mapView, SIGNAL(viewScrolled(QPoint)),
  45             m_mapEngine, SLOT(setLocation(QPoint)));
  46     connect(m_mapEngine, SIGNAL(locationChanged(QPoint)),
  47             mapView, SLOT(centerToSceneCoordinates(QPoint)));
  48     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
  49             mapView, SLOT(setZoomLevel(int)));
  50     connect(mapView, SIGNAL(viewResized(QSize)),
  51             m_mapEngine, SLOT(viewResized(QSize)));
  52     connect(mapView, SIGNAL(updateViewContent(QRect)),
  53             m_mapEngine, SLOT(receiveViewSceneRect(QRect)));
  54     connect(mapView, SIGNAL(viewZoomFinished()),
  55             m_mapEngine, SLOT(viewZoomFinished()));
  56
  57     connect(this, SIGNAL(zoomInKeyPressed()),
  58             m_mapEngine, SLOT(zoomIn()));
  59     connect(this, SIGNAL(zoomOutKeyPressed()),
  60             m_mapEngine, SLOT(zoomOut()));
  61
  62     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  63             this, SLOT(drawOsmLicense(int, int)));
  64     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  65             m_friendsListPanel, SLOT(reDrawFriendsPanel(int, int)));
  66     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  67             m_userPanel, SLOT(reDrawUserPanel(int, int)));
  68     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
  69             friendsListPanelSidebar, SLOT(reDrawSidebar(int, int)));
  70
  71     connect(m_zoomButtonPanel->m_zoomInButton, SIGNAL(clicked()),
  72             m_mapEngine, SLOT(zoomIn()));
  73     connect(m_zoomButtonPanel->m_zoomOutButton, SIGNAL(clicked()),
  74             m_mapEngine, SLOT(zoomOut()));
  75     connect(m_mapEngine, SIGNAL(zoomLevelChanged(int)),
  76             m_zoomButtonPanel, SLOT(resetButtons()));
  77     connect(m_mapEngine, SIGNAL(maxZoomLevelReached()),
  78             m_zoomButtonPanel, SLOT(disableZoomInButton()));
  79     connect(m_mapEngine, SIGNAL(minZoomLevelReached()),
  80             m_zoomButtonPanel, SLOT(disableZoomOutButton()));
  81
  82     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
  83             m_friendsListPanel, SLOT(friendInfoReceived(QList<User*>&)));
  84     connect(m_friendsListPanel, SIGNAL(findFriend(QPointF)),
  85             m_mapEngine, SLOT(setViewLocation(QPointF)));
  86
  87     connect(this, SIGNAL(userLocationReady(User*)),
  88             m_mapEngine, SLOT(receiveOwnLocation(User*)));
  89     connect(this, SIGNAL(friendsLocationsReady(QList<User*>&)),
  90             m_mapEngine, SIGNAL(friendsLocationsReady(QList<User*>&)));
  91
  92     connect(m_mapEngine, SIGNAL(mapScrolledManually()),
  93             this, SIGNAL(mapLocationChanged()));
  94
  95     connect(this, SIGNAL(positionReceived(QPointF,qreal)),
  96             m_mapEngine, SLOT(gpsPositionUpdate(QPointF,qreal)));
  97     connect(this, SIGNAL(enableAutoCentering(bool)),
  98             m_mapEngine, SLOT(setAutoCentering(bool)));
  99     connect(this, SIGNAL(gpsEnabled(bool)),
 100             m_mapEngine, SLOT(gpsEnabled(bool)));
 101
 102     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
 103             this, SLOT(drawOwnLocationCrosshair(int, int)));
 104
 105     connect(mapView, SIGNAL(viewResizedNewSize(int, int)),
 106              this, SLOT(setViewPortSize(int, int)));
 107
 108     connect(m_mapEngine, SIGNAL(requestToGetViewPortContents()),
 109             mapView, SLOT(viewportContent()));
 110     connect(mapView, SIGNAL(updateViewContent(QRect)),
 111             m_mapEngine, SLOT(receiveViewSceneRect(QRect)));
 112     connect(this, SIGNAL(requestOwnLocation()),
 113             m_mapEngine, SLOT(ownLocation()));
 114     connect(m_mapEngine, SIGNAL(ownLocation(QPointF)),
 115             this, SIGNAL(ownLocation(QPointF)));
 116
 117     QHBoxLayout *mapViewLayout = new QHBoxLayout;
 118
 119     m_osmLicense = new QLabel(this);
 120     m_osmLicense->setAttribute(Qt::WA_TranslucentBackground, true);
 121     m_osmLicense->setAttribute(Qt::WA_TransparentForMouseEvents, true);
 122     m_osmLicense->setText("<font color='black'>" + OSM_LICENSE + "</font>");
 123     m_osmLicense->setFont(QFont("Nokia Sans", 9));
 124     m_osmLicense->resize(m_osmLicense->fontMetrics().width(OSM_LICENSE),
 125                          m_osmLicense->fontMetrics().height());
 126
 127     m_friendsListPanel->stackUnder(friendsListPanelSidebar);
 128     userPanelSidebar->stackUnder(m_friendsListPanel);
 129     m_userPanel->stackUnder(userPanelSidebar);
 130     m_zoomButtonPanel->stackUnder(m_userPanel);
 131     m_osmLicense->stackUnder(m_zoomButtonPanel);
 132     mapView->stackUnder(m_osmLicense);
 133
 134     mapViewLayout->addWidget(mapView);
 135     setLayout(mapViewLayout);
 136
 137     mapViewLayout->setMargin(0);
 138
 139     m_mapEngine->init();
 140
 141     setObjectName("Map view");
 142 }
 143
 144 void MapViewScreen::drawOsmLicense(int width, int height)
 145 {
 146     qDebug() << __PRETTY_FUNCTION__ << width << "x" << height;
 147     m_osmLicense->move(width - m_osmLicense->fontMetrics().width(OSM_LICENSE) - PANEL_PEEK_AMOUNT,
 148                         height - m_osmLicense->fontMetrics().height());
 149 }
 150
 151
 152 void MapViewScreen::drawOwnLocationCrosshair(int width, int height)
 153 {
 154     qDebug() << __PRETTY_FUNCTION__;
 155
 156     if (m_drawOwnLocationCrosshair) {
 157         m_ownLocationCrosshair->move(width/2 - m_ownLocationCrosshair->pixmap()->width()/2,
 158                             height/2 - m_ownLocationCrosshair->pixmap()->height()/2);
 159     }
 160 }
 161
 162 void MapViewScreen::setOwnLocationCrosshairVisibility(bool visibility)
 163 {
 164     if (visibility == false) {
 165
 166         if (m_ownLocationCrosshair == 0) {
 167             m_ownLocationCrosshair = new QLabel(this);
 168             QPixmap crosshairImage(":/res/images/sight.png");
 169             m_ownLocationCrosshair->setPixmap(crosshairImage);
 170             m_ownLocationCrosshair->setFixedSize(crosshairImage.size());
 171         }
 172
 173         m_ownLocationCrosshair->show();
 174         m_drawOwnLocationCrosshair = true;
 175         drawOwnLocationCrosshair(m_viewPortWidth, m_viewPortHeight);
 176     }
 177
 178     else {
 179         m_ownLocationCrosshair->hide();
 180         m_drawOwnLocationCrosshair = false;
 181     }
 182 }
 183
 184 void MapViewScreen::setViewPortSize(int width, int height)
 185 {
 186     m_viewPortWidth = width;
 187     m_viewPortHeight = height;
 188 }