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    40 ****************************************************************************/

    41 

    42 #include "mainwindow.h"

    43 #include "stationdialog.h"

    44 

    45 #include <QtCore/QSettings>

    46 #include <QtCore/QTimer>

    47 #include <QtGui/QAction>

    48 #include <QtGui/QApplication>

    49 #include <QtGui/QBitmap>

    50 #include <QtGui/QLinearGradient>

    51 #include <QtGui/QMouseEvent>

    52 #include <QtGui/QPainter>

    53 

    54 MainWindow::MainWindow()

    55     : QWidget(0, Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint)

    56 {

    57     QAction *quitAction = new QAction(tr("E&xit"), this);

    58     quitAction->setShortcuts(QKeySequence::Quit);

    59     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));

    60 

    61     QAction *configAction = new QAction(tr("&Select station..."), this);

    62     configAction->setShortcut(tr("Ctrl+C"));

    63     connect(configAction, SIGNAL(triggered()), this, SLOT(configure()));

    64 

    65     addAction(configAction);

    66     addAction(quitAction);

    67 

    68     setContextMenuPolicy(Qt::ActionsContextMenu);

    69 

    70     setWindowTitle(tr("Traffic Info Oslo"));

    71 

    72     const QSettings settings("Qt Traffic Info", "trafficinfo");

    73     m_station = StationInformation(settings.value("stationId", "03012130").toString(),

    74                                    settings.value("stationName", "Nydalen [T-bane] (OSL)").toString());

    75     m_lines = settings.value("lines", QStringList()).toStringList();

    76 

    77     QTimer *timer = new QTimer(this);

    78     connect(timer, SIGNAL(timeout()), this, SLOT(updateTimeInformation()));

    79     timer->start(1000*60*5);

    80     QMetaObject::invokeMethod(this, SLOT(updateTimeInformation()), Qt::QueuedConnection);

    81 }

    82 

    83 MainWindow::~MainWindow()

    84 {

    85     QSettings settings("Qt Traffic Info", "trafficinfo");

    86     settings.setValue("stationId", m_station.id());

    87     settings.setValue("stationName", m_station.name());

    88     settings.setValue("lines", m_lines);

    89 }

    90 

    91 QSize MainWindow::sizeHint() const

    92 {

    93     return QSize(300, 200);

    94 }

    95 

    96 void MainWindow::mouseMoveEvent(QMouseEvent *event)

    97 {

    98     if (event->buttons() & Qt::LeftButton) {

    99         move(event->globalPos() - m_dragPosition);

   100         event->accept();

   101     }

   102 }

   103 

   104 void MainWindow::mousePressEvent(QMouseEvent *event)

   105 {

   106     if (event->button() == Qt::LeftButton) {

   107         m_dragPosition = event->globalPos() - frameGeometry().topLeft();

   108         event->accept();

   109     }

   110 }

   111 

   112 void MainWindow::paintEvent(QPaintEvent*)

   113 {

   114     const QPoint start(width()/2, 0);

   115     const QPoint finalStop(width()/2, height());

   116     QLinearGradient gradient(start, finalStop);

   117     const QColor qtGreen(102, 176, 54);

   118     gradient.setColorAt(0, qtGreen.dark());

   119     gradient.setColorAt(0.5, qtGreen);

   120     gradient.setColorAt(1, qtGreen.dark());

   121 

   122     QPainter p(this);

   123     p.fillRect(0, 0, width(), height(), gradient);

   124 

   125     QFont headerFont("Sans Serif", 12, QFont::Bold);

   126     QFont normalFont("Sans Serif", 9, QFont::Normal);

   127 

   128     // draw it twice for shadow effect

   129     p.setFont(headerFont);

   130     QRect headerRect(1, 1, width(), 25);

   131     p.setPen(Qt::black);

   132     p.drawText(headerRect, Qt::AlignCenter, m_station.name());

   133 

   134     headerRect.moveTopLeft(QPoint(0, 0));

   135     p.setPen(Qt::white);

   136     p.drawText(headerRect, Qt::AlignCenter, m_station.name());

   137 

   138     p.setFont(normalFont);

   139     int pos = 40;

   140     for (int i = 0; i < m_times.count() && i < 9; ++i) {

   141         p.setPen(Qt::black);

   142         p.drawText(51, pos + 1, m_times.at(i).time());

   143         p.drawText(101, pos + 1, m_times.at(i).direction());

   144 

   145         p.setPen(Qt::white);

   146         p.drawText(50, pos, m_times.at(i).time());

   147         p.drawText(100, pos, m_times.at(i).direction());

   148 

   149         pos += 18;

   150     }

   151 }

   152 

   153 void MainWindow::resizeEvent(QResizeEvent*)

   154 {

   155     QBitmap maskBitmap(width(), height());

   156     maskBitmap.clear();

   157 

   158     QPainter p(&maskBitmap);

   159     p.setBrush(Qt::black);

   160     p.drawRoundRect(0, 0, width(), height(), 20, 30);

   161     p.end();

   162 

   163     setMask(maskBitmap);

   164 }

   165 

   166 void MainWindow::updateTimeInformation()

   167 {

   168     m_times = TimeQuery::query(m_station.id(), m_lines, QDateTime::currentDateTime());

   169 

   170     update();

   171 }

   172 

   173 void MainWindow::configure()

   174 {

   175     StationDialog dlg(m_station.name(), m_lines, this);

   176     if (dlg.exec()) {

   177         m_station = dlg.selectedStation();

   178         m_lines = dlg.lineNumbers();

   179         updateTimeInformation();

   180     }

   181 }