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

   1 #include <QtCore/QCoreApplication>
   2
   3 #ifdef Q_WS_MAEMO_5
   4 #include <mce/dbus-names.h>
   5 #include <mce/mode-names.h>
   6 #endif
   7
   8 #include "mainwindow.h"
   9 #include "asettings.h"
  10 #include "about.h"
  11
  12 extern qreal g_n;
  13 extern qreal a_max;
  14 extern int divisions;
  15 extern int angle_step;
  16 extern int smoothing;
  17
  18 int data_rate = 0;
  19
  20 #ifdef Q_WS_MAEMO_5
  21 static QDBusConnection dBusConnection = QDBusConnection::systemBus();
  22 #endif
  23
  24 MainWindow::MainWindow(QWidget *parent)
  25         : QMainWindow(parent)
  26 {
  27         QMenuBar *bar = menuBar();
  28         QAction *action;
  29         QSettings settings("igorinov", "ameter", this);
  30
  31         g_n = settings.value("g", g_n).toDouble();
  32         a_max = settings.value("max", a_max).toDouble();
  33         divisions = settings.value("divisions", divisions).toInt();
  34         angle_step = settings.value("angle_step", angle_step).toInt();
  35         smoothing = settings.value("smoothing", smoothing).toInt();
  36         data_rate = settings.value("rate", data_rate).toInt();
  37
  38         awidget = new AMeterWidget(this);
  39         setCentralWidget(awidget);
  40         action = bar->addAction("&About");
  41         connect(action, SIGNAL(triggered()), this, SLOT(showAbout()));
  42         action = bar->addAction("&Settings");
  43         connect(action, SIGNAL(triggered()), this, SLOT(showSettings()));
  44         accelerometer = new QAccelerometer(this);
  45         accelerometer->setProperty("alwaysOn", true);
  46         accelerometer->addFilter(awidget);
  47         accelerometer->setDataRate(data_rate);
  48         accelerometer->start();
  49
  50 #ifdef Q_WS_MAEMO_5
  51         dBusInterface = new QDBusInterface(MCE_SERVICE, MCE_REQUEST_PATH,
  52                 MCE_REQUEST_IF, dBusConnection, this);
  53
  54         dBusConnection.connect(MCE_SERVICE, MCE_SIGNAL_PATH, MCE_SIGNAL_IF,
  55                 MCE_DISPLAY_SIG, this, SLOT(screenChange(const QDBusMessage &)));
  56 #endif
  57 }
  58
  59 MainWindow::~MainWindow()
  60 {
  61         delete awidget;
  62         delete accelerometer;
  63 }
  64
  65 void MainWindow::showAbout()
  66 {
  67         AboutDialog dialog(this);
  68
  69         dialog.exec();
  70 }
  71
  72 void MainWindow::showSettings()
  73 {
  74         SettingsDialog dialog(this);
  75         QSettings settings("igorinov", "ameter", this);
  76         int code;
  77
  78         accelerometer->stop();
  79         code = dialog.exec();
  80         accelerometer->start();
  81         if (code != QDialog::Accepted)
  82         {
  83                 return;
  84         }
  85
  86         settings.setValue("g", g_n);
  87         settings.setValue("max", a_max);
  88         settings.setValue("divisions", divisions);
  89         settings.setValue("angle_step", angle_step);
  90         settings.setValue("rate", data_rate);
  91
  92         awidget->setGravity(g_n);
  93         accelerometer->setDataRate(data_rate);
  94 }
  95
  96 void MainWindow::setOrientation(ScreenOrientation orientation)
  97 {
  98     Qt::WidgetAttribute attribute;
  99     switch (orientation) {
 100 #if QT_VERSION < 0x040702
 101     // Qt < 4.7.2 does not yet have the Qt::WA_*Orientation attributes
 102     case ScreenOrientationLockPortrait:
 103         attribute = static_cast<Qt::WidgetAttribute>(128);
 104         break;
 105     case ScreenOrientationLockLandscape:
 106         attribute = static_cast<Qt::WidgetAttribute>(129);
 107         break;
 108     default:
 109     case ScreenOrientationAuto:
 110         attribute = static_cast<Qt::WidgetAttribute>(130);
 111         break;
 112 #else // QT_VERSION < 0x040702
 113     case ScreenOrientationLockPortrait:
 114         attribute = Qt::WA_LockPortraitOrientation;
 115         break;
 116     case ScreenOrientationLockLandscape:
 117         attribute = Qt::WA_LockLandscapeOrientation;
 118         break;
 119     default:
 120     case ScreenOrientationAuto:
 121         attribute = Qt::WA_AutoOrientation;
 122         break;
 123 #endif // QT_VERSION < 0x040702
 124     };
 125     setAttribute(attribute, true);
 126 }
 127
 128 void MainWindow::showExpanded()
 129 {
 130 #ifdef Q_OS_SYMBIAN
 131     showFullScreen();
 132 #elif defined(Q_WS_MAEMO_5)
 133     showMaximized();
 134 #else
 135     show();
 136 #endif
 137 }
 138
 139 #ifdef Q_WS_MAEMO_5
 140 void MainWindow::screenChange(const QDBusMessage &message)
 141 {
 142     QString state = message.arguments().at(0).toString();
 143     if (!state.isEmpty()) {
 144         if (state == MCE_DISPLAY_OFF_STRING)
 145         {
 146             accelerometer->stop();
 147             awidget->reset();
 148         } else {
 149             accelerometer->start();
 150         }
 151     }
 152 }
 153 #endif
 154