1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the examples of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you have questions regarding the use of this file, please contact
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37 | ** Nokia at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #include "mainwindow.h"
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43 | #include "stationdialog.h"
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44 |
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45 | #include <QtCore/QSettings>
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46 | #include <QtCore/QTimer>
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47 | #include <QtGui/QAction>
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48 | #include <QtGui/QApplication>
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49 | #include <QtGui/QBitmap>
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50 | #include <QtGui/QLinearGradient>
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51 | #include <QtGui/QMouseEvent>
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52 | #include <QtGui/QPainter>
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53 |
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54 | MainWindow::MainWindow()
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55 | : QWidget(0, Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint)
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56 | {
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57 | QAction *quitAction = new QAction(tr("E&xit"), this);
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58 | quitAction->setShortcuts(QKeySequence::Quit);
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59 | connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
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60 |
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61 | QAction *configAction = new QAction(tr("&Select station..."), this);
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62 | configAction->setShortcut(tr("Ctrl+C"));
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63 | connect(configAction, SIGNAL(triggered()), this, SLOT(configure()));
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64 |
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65 | addAction(configAction);
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66 | addAction(quitAction);
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67 |
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68 | setContextMenuPolicy(Qt::ActionsContextMenu);
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69 |
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70 | setWindowTitle(tr("Traffic Info Oslo"));
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71 |
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72 | const QSettings settings("Qt Traffic Info", "trafficinfo");
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73 | m_station = StationInformation(settings.value("stationId", "03012130").toString(),
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74 | settings.value("stationName", "Nydalen [T-bane] (OSL)").toString());
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75 | m_lines = settings.value("lines", QStringList()).toStringList();
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76 |
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77 | QTimer *timer = new QTimer(this);
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78 | connect(timer, SIGNAL(timeout()), this, SLOT(updateTimeInformation()));
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79 | timer->start(1000*60*5);
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80 | QMetaObject::invokeMethod(this, SLOT(updateTimeInformation()), Qt::QueuedConnection);
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81 | }
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82 |
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83 | MainWindow::~MainWindow()
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84 | {
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85 | QSettings settings("Qt Traffic Info", "trafficinfo");
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86 | settings.setValue("stationId", m_station.id());
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87 | settings.setValue("stationName", m_station.name());
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88 | settings.setValue("lines", m_lines);
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89 | }
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90 |
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91 | QSize MainWindow::sizeHint() const
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92 | {
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93 | return QSize(300, 200);
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94 | }
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95 |
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96 | void MainWindow::mouseMoveEvent(QMouseEvent *event)
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97 | {
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98 | if (event->buttons() & Qt::LeftButton) {
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99 | move(event->globalPos() - m_dragPosition);
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100 | event->accept();
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101 | }
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102 | }
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103 |
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104 | void MainWindow::mousePressEvent(QMouseEvent *event)
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105 | {
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106 | if (event->button() == Qt::LeftButton) {
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107 | m_dragPosition = event->globalPos() - frameGeometry().topLeft();
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108 | event->accept();
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109 | }
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110 | }
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111 |
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112 | void MainWindow::paintEvent(QPaintEvent*)
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113 | {
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114 | const QPoint start(width()/2, 0);
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115 | const QPoint finalStop(width()/2, height());
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116 | QLinearGradient gradient(start, finalStop);
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117 | const QColor qtGreen(102, 176, 54);
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118 | gradient.setColorAt(0, qtGreen.dark());
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119 | gradient.setColorAt(0.5, qtGreen);
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120 | gradient.setColorAt(1, qtGreen.dark());
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121 |
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122 | QPainter p(this);
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123 | p.fillRect(0, 0, width(), height(), gradient);
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124 |
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125 | QFont headerFont("Sans Serif", 12, QFont::Bold);
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126 | QFont normalFont("Sans Serif", 9, QFont::Normal);
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127 |
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128 | // draw it twice for shadow effect
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129 | p.setFont(headerFont);
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130 | QRect headerRect(1, 1, width(), 25);
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131 | p.setPen(Qt::black);
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132 | p.drawText(headerRect, Qt::AlignCenter, m_station.name());
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133 |
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134 | headerRect.moveTopLeft(QPoint(0, 0));
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135 | p.setPen(Qt::white);
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136 | p.drawText(headerRect, Qt::AlignCenter, m_station.name());
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137 |
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138 | p.setFont(normalFont);
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139 | int pos = 40;
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140 | for (int i = 0; i < m_times.count() && i < 9; ++i) {
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141 | p.setPen(Qt::black);
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142 | p.drawText(51, pos + 1, m_times.at(i).time());
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143 | p.drawText(101, pos + 1, m_times.at(i).direction());
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144 |
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145 | p.setPen(Qt::white);
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146 | p.drawText(50, pos, m_times.at(i).time());
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147 | p.drawText(100, pos, m_times.at(i).direction());
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148 |
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149 | pos += 18;
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150 | }
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151 | }
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152 |
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153 | void MainWindow::resizeEvent(QResizeEvent*)
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154 | {
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155 | QBitmap maskBitmap(width(), height());
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156 | maskBitmap.clear();
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157 |
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158 | QPainter p(&maskBitmap);
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159 | p.setBrush(Qt::black);
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160 | p.drawRoundRect(0, 0, width(), height(), 20, 30);
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161 | p.end();
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162 |
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163 | setMask(maskBitmap);
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164 | }
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165 |
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166 | void MainWindow::updateTimeInformation()
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167 | {
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168 | m_times = TimeQuery::query(m_station.id(), m_lines, QDateTime::currentDateTime());
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169 |
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170 | update();
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171 | }
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172 |
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173 | void MainWindow::configure()
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174 | {
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175 | StationDialog dlg(m_station.name(), m_lines, this);
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176 | if (dlg.exec()) {
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177 | m_station = dlg.selectedStation();
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178 | m_lines = dlg.lineNumbers();
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179 | updateTimeInformation();
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180 | }
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181 | }
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