source: trunk/examples/xmlpatterns/trafficinfo/mainwindow.cpp@ 846

Last change on this file since 846 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 6.0 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the examples of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#include "mainwindow.h"
42#include "stationdialog.h"
43
44#include <QtCore/QSettings>
45#include <QtCore/QTimer>
46#include <QtGui/QAction>
47#include <QtGui/QApplication>
48#include <QtGui/QBitmap>
49#include <QtGui/QLinearGradient>
50#include <QtGui/QMouseEvent>
51#include <QtGui/QPainter>
52
53MainWindow::MainWindow()
54 : QWidget(0, Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint)
55{
56 QAction *quitAction = new QAction(tr("E&xit"), this);
57 quitAction->setShortcuts(QKeySequence::Quit);
58 connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
59
60 QAction *configAction = new QAction(tr("&Select station..."), this);
61 configAction->setShortcut(tr("Ctrl+C"));
62 connect(configAction, SIGNAL(triggered()), this, SLOT(configure()));
63
64 addAction(configAction);
65 addAction(quitAction);
66
67 setContextMenuPolicy(Qt::ActionsContextMenu);
68
69 setWindowTitle(tr("Traffic Info Oslo"));
70
71 const QSettings settings("Qt Traffic Info", "trafficinfo");
72 m_station = StationInformation(settings.value("stationId", "03012130").toString(),
73 settings.value("stationName", "Nydalen [T-bane] (OSL)").toString());
74 m_lines = settings.value("lines", QStringList()).toStringList();
75
76 QTimer *timer = new QTimer(this);
77 connect(timer, SIGNAL(timeout()), this, SLOT(updateTimeInformation()));
78 timer->start(1000*60*5);
79 QMetaObject::invokeMethod(this, SLOT(updateTimeInformation()), Qt::QueuedConnection);
80}
81
82MainWindow::~MainWindow()
83{
84 QSettings settings("Qt Traffic Info", "trafficinfo");
85 settings.setValue("stationId", m_station.id());
86 settings.setValue("stationName", m_station.name());
87 settings.setValue("lines", m_lines);
88}
89
90QSize MainWindow::sizeHint() const
91{
92 return QSize(300, 200);
93}
94
95void MainWindow::mouseMoveEvent(QMouseEvent *event)
96{
97 if (event->buttons() & Qt::LeftButton) {
98 move(event->globalPos() - m_dragPosition);
99 event->accept();
100 }
101}
102
103void MainWindow::mousePressEvent(QMouseEvent *event)
104{
105 if (event->button() == Qt::LeftButton) {
106 m_dragPosition = event->globalPos() - frameGeometry().topLeft();
107 event->accept();
108 }
109}
110
111void MainWindow::paintEvent(QPaintEvent*)
112{
113 const QPoint start(width()/2, 0);
114 const QPoint finalStop(width()/2, height());
115 QLinearGradient gradient(start, finalStop);
116 const QColor qtGreen(102, 176, 54);
117 gradient.setColorAt(0, qtGreen.dark());
118 gradient.setColorAt(0.5, qtGreen);
119 gradient.setColorAt(1, qtGreen.dark());
120
121 QPainter p(this);
122 p.fillRect(0, 0, width(), height(), gradient);
123
124 QFont headerFont("Sans Serif", 12, QFont::Bold);
125 QFont normalFont("Sans Serif", 9, QFont::Normal);
126
127 // draw it twice for shadow effect
128 p.setFont(headerFont);
129 QRect headerRect(1, 1, width(), 25);
130 p.setPen(Qt::black);
131 p.drawText(headerRect, Qt::AlignCenter, m_station.name());
132
133 headerRect.moveTopLeft(QPoint(0, 0));
134 p.setPen(Qt::white);
135 p.drawText(headerRect, Qt::AlignCenter, m_station.name());
136
137 p.setFont(normalFont);
138 int pos = 40;
139 for (int i = 0; i < m_times.count() && i < 9; ++i) {
140 p.setPen(Qt::black);
141 p.drawText(51, pos + 1, m_times.at(i).time());
142 p.drawText(101, pos + 1, m_times.at(i).direction());
143
144 p.setPen(Qt::white);
145 p.drawText(50, pos, m_times.at(i).time());
146 p.drawText(100, pos, m_times.at(i).direction());
147
148 pos += 18;
149 }
150}
151
152void MainWindow::resizeEvent(QResizeEvent*)
153{
154 QBitmap maskBitmap(width(), height());
155 maskBitmap.clear();
156
157 QPainter p(&maskBitmap);
158 p.setBrush(Qt::black);
159 p.drawRoundRect(0, 0, width(), height(), 20, 30);
160 p.end();
161
162 setMask(maskBitmap);
163}
164
165void MainWindow::updateTimeInformation()
166{
167 m_times = TimeQuery::query(m_station.id(), m_lines, QDateTime::currentDateTime());
168
169 update();
170}
171
172void MainWindow::configure()
173{
174 StationDialog dlg(m_station.name(), m_lines, this);
175 if (dlg.exec()) {
176 m_station = dlg.selectedStation();
177 m_lines = dlg.lineNumbers();
178 updateTimeInformation();
179 }
180}
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