git.maemo.org Git - ameter/blob - mainwindow.cpp

   1 #include <QtCore/QCoreApplication>
   2
   3 #include "mainwindow.h"
   4 #include "asettings.h"
   5 #include "about.h"
   6
   7 extern qreal g_n;
   8 extern qreal a_max;
   9 extern int divisions;
  10 extern int angle_step;
  11 extern int smoothing;
  12
  13 int data_rate = 0;
  14
  15 MainWindow::MainWindow(QWidget *parent)
  16         : QMainWindow(parent)
  17 {
  18         QMenuBar *bar = menuBar();
  19         QAction *action;
  20         QSettings settings("igorinov", "ameter", this);
  21
  22         g_n = settings.value("g", g_n).toDouble();
  23         a_max = settings.value("max", a_max).toDouble();
  24         divisions = settings.value("divisions", divisions).toInt();
  25         angle_step = settings.value("angle_step", angle_step).toInt();
  26         smoothing = settings.value("smoothing", smoothing).toInt();
  27         data_rate = settings.value("rate", data_rate).toInt();
  28
  29         awidget = new AMeterWidget(this);
  30         setCentralWidget(awidget);
  31         action = bar->addAction("&About");
  32         connect(action, SIGNAL(triggered()), this, SLOT(showAbout()));
  33         action = bar->addAction("&Settings");
  34         connect(action, SIGNAL(triggered()), this, SLOT(showSettings()));
  35         accelerometer = new QAccelerometer(this);
  36         accelerometer->setProperty("alwaysOn", true);
  37         accelerometer->addFilter(awidget);
  38         accelerometer->setDataRate(data_rate);
  39         accelerometer->start();
  40
  41 }
  42
  43 MainWindow::~MainWindow()
  44 {
  45         delete awidget;
  46         delete accelerometer;
  47 }
  48
  49 void MainWindow::showAbout()
  50 {
  51         AboutDialog dialog(this);
  52
  53         dialog.exec();
  54 }
  55
  56 void MainWindow::showSettings()
  57 {
  58         SettingsDialog dialog(this);
  59         QSettings settings("igorinov", "ameter", this);
  60
  61         if (dialog.exec() != QDialog::Accepted)
  62         {
  63                 return;
  64         }
  65
  66         settings.setValue("g", g_n);
  67         settings.setValue("max", a_max);
  68         settings.setValue("divisions", divisions);
  69         settings.setValue("angle_step", angle_step);
  70         settings.setValue("rate", data_rate);
  71
  72         awidget->setGravity(g_n);
  73         accelerometer->stop();
  74         accelerometer->setDataRate(data_rate);
  75         accelerometer->start();
  76 }
  77
  78 void MainWindow::setOrientation(ScreenOrientation orientation)
  79 {
  80 #if defined(Q_OS_SYMBIAN)
  81     // If the version of Qt on the device is < 4.7.2, that attribute won't work
  82     if (orientation != ScreenOrientationAuto) {
  83         const QStringList v = QString::fromAscii(qVersion()).split(QLatin1Char('.'));
  84         if (v.count() == 3 && (v.at(0).toInt() << 16 | v.at(1).toInt() << 8 | v.at(2).toInt()) < 0x040702) {
  85             qWarning("Screen orientation locking only supported with Qt 4.7.2 and above");
  86             return;
  87         }
  88     }
  89 #endif // Q_OS_SYMBIAN
  90
  91     Qt::WidgetAttribute attribute;
  92     switch (orientation) {
  93 #if QT_VERSION < 0x040702
  94     // Qt < 4.7.2 does not yet have the Qt::WA_*Orientation attributes
  95     case ScreenOrientationLockPortrait:
  96         attribute = static_cast<Qt::WidgetAttribute>(128);
  97         break;
  98     case ScreenOrientationLockLandscape:
  99         attribute = static_cast<Qt::WidgetAttribute>(129);
 100         break;
 101     default:
 102     case ScreenOrientationAuto:
 103         attribute = static_cast<Qt::WidgetAttribute>(130);
 104         break;
 105 #else // QT_VERSION < 0x040702
 106     case ScreenOrientationLockPortrait:
 107         attribute = Qt::WA_LockPortraitOrientation;
 108         break;
 109     case ScreenOrientationLockLandscape:
 110         attribute = Qt::WA_LockLandscapeOrientation;
 111         break;
 112     default:
 113     case ScreenOrientationAuto:
 114         attribute = Qt::WA_AutoOrientation;
 115         break;
 116 #endif // QT_VERSION < 0x040702
 117     };
 118     setAttribute(attribute, true);
 119 }
 120
 121 void MainWindow::showExpanded()
 122 {
 123 #ifdef Q_OS_SYMBIAN
 124     showFullScreen();
 125 #elif defined(Q_WS_MAEMO_5)
 126     showMaximized();
 127 #else
 128     show();
 129 #endif
 130 }
 131