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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 (qt-info@nokia.com) |
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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 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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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 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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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 } |