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

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