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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mainwindow.h"
#include "stationdialog.h"
#include <QtCore/QSettings>
#include <QtCore/QTimer>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QBitmap>
#include <QtGui/QLinearGradient>
#include <QtGui/QMouseEvent>
#include <QtGui/QPainter>
MainWindow::MainWindow()
: QWidget(0, Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint)
{
QAction *quitAction = new QAction(tr("E&xit"), this);
quitAction->setShortcut(tr("Ctrl+Q"));
connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
QAction *configAction = new QAction(tr("&Select station..."), this);
configAction->setShortcut(tr("Ctrl+C"));
connect(configAction, SIGNAL(triggered()), this, SLOT(configure()));
addAction(configAction);
addAction(quitAction);
setContextMenuPolicy(Qt::ActionsContextMenu);
setWindowTitle(tr("Traffic Info Oslo"));
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(updateTimeInformation()));
timer->start(1000*60*5);
const QSettings settings("Qt Software", "trafficinfo");
m_station = StationInformation(settings.value("stationId", "03012130").toString(),
settings.value("stationName", "Nydalen [T-bane] (OSL)").toString());
m_lines = settings.value("lines", QStringList()).toStringList();
updateTimeInformation();
}
MainWindow::~MainWindow()
{
QSettings settings("Qt Software", "trafficinfo");
settings.setValue("stationId", m_station.id());
settings.setValue("stationName", m_station.name());
settings.setValue("lines", m_lines);
}
QSize MainWindow::sizeHint() const
{
return QSize(300, 200);
}
void MainWindow::mouseMoveEvent(QMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton) {
move(event->globalPos() - m_dragPosition);
event->accept();
}
}
void MainWindow::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
m_dragPosition = event->globalPos() - frameGeometry().topLeft();
event->accept();
}
}
void MainWindow::paintEvent(QPaintEvent*)
{
QLinearGradient gradient(QPoint(width()/2, 0), QPoint(width()/2, height()));
const QColor qtGreen(102, 176, 54);
gradient.setColorAt(0, qtGreen.dark());
gradient.setColorAt(0.5, qtGreen);
gradient.setColorAt(1, qtGreen.dark());
QPainter p(this);
p.fillRect(0, 0, width(), height(), gradient);
QFont headerFont("Sans Serif", 12, QFont::Bold);
QFont normalFont("Sans Serif", 9, QFont::Normal);
// draw it twice for shadow effect
p.setFont(headerFont);
QRect headerRect(1, 1, width(), 25);
p.setPen(Qt::black);
p.drawText(headerRect, Qt::AlignCenter, m_station.name());
headerRect.moveTopLeft(QPoint(0, 0));
p.setPen(Qt::white);
p.drawText(headerRect, Qt::AlignCenter, m_station.name());
p.setFont(normalFont);
int pos = 40;
for (int i = 0; i < m_times.count() && i < 9; ++i) {
p.setPen(Qt::black);
p.drawText(51, pos + 1, m_times.at(i).time());
p.drawText(101, pos + 1, m_times.at(i).direction());
p.setPen(Qt::white);
p.drawText(50, pos, m_times.at(i).time());
p.drawText(100, pos, m_times.at(i).direction());
pos += 18;
}
}
void MainWindow::resizeEvent(QResizeEvent*)
{
QBitmap maskBitmap(width(), height());
maskBitmap.clear();
QPainter p(&maskBitmap);
p.setBrush(Qt::black);
p.drawRoundRect(0, 0, width(), height(), 20, 30);
p.end();
setMask(maskBitmap);
}
void MainWindow::updateTimeInformation()
{
TimeQuery query;
m_times = query.query(m_station.id(), m_lines, QDateTime::currentDateTime());
update();
}
void MainWindow::configure()
{
StationDialog dlg(m_station.name(), m_lines, this);
if (dlg.exec()) {
m_station = dlg.selectedStation();
m_lines = dlg.lineNumbers();
updateTimeInformation();
}
}
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