// We have the a11y registry on the session bus. // Subscribe to updates about a11y enabled state. // Find out the bus address void DBusConnection::serviceRegistered() { // listen to enabled changes QDBusConnection c = QDBusConnection::sessionBus(); OrgA11yStatusInterface *a11yStatus = new OrgA11yStatusInterface(A11Y_SERVICE, A11Y_PATH, c, this); //The variable was introduced because on some embedded platforms there are custom accessibility //clients which don't set Status.ScreenReaderEnabled to true. The variable is also useful for //debugging. static const bool a11yAlwaysOn = qEnvironmentVariableIsSet("QT_LINUX_ACCESSIBILITY_ALWAYS_ON"); // a11yStatus->isEnabled() returns always true (since Gnome 3.6) bool enabled = a11yAlwaysOn || a11yStatus->screenReaderEnabled(); if (enabled != m_enabled) { m_enabled = enabled; if (m_a11yConnection.isConnected()) { emit enabledChanged(m_enabled); } else { QDBusConnection c = QDBusConnection::sessionBus(); QDBusMessage m = QDBusMessage::createMethodCall(QLatin1String("org.a11y.Bus"), QLatin1String("/org/a11y/bus"), QLatin1String("org.a11y.Bus"), QLatin1String("GetAddress")); c.callWithCallback(m, this, SLOT(connectA11yBus(QString)), SLOT(dbusError(QDBusError))); } } // connect(a11yStatus, ); QtDbus doesn't support notifications for property changes yet }
// We have the a11y registry on the session bus. // Subscribe to updates about a11y enabled state. // Find out the bus address void DBusConnection::serviceRegistered() { // listen to enabled changes QDBusConnection c = QDBusConnection::sessionBus(); OrgA11yStatusInterface *a11yStatus = new OrgA11yStatusInterface(A11Y_SERVICE, A11Y_PATH, c, this); // a11yStatus->isEnabled() returns always true (since Gnome 3.6) bool enabled = a11yStatus->screenReaderEnabled(); if (enabled != m_enabled) { m_enabled = enabled; if (m_a11yConnection.isConnected()) { emit enabledChanged(m_enabled); } else { QDBusConnection c = QDBusConnection::sessionBus(); QDBusMessage m = QDBusMessage::createMethodCall(QLatin1String("org.a11y.Bus"), QLatin1String("/org/a11y/bus"), QLatin1String("org.a11y.Bus"), QLatin1String("GetAddress")); c.callWithCallback(m, this, SLOT(connectA11yBus(QString)), SLOT(dbusError(QDBusError))); } } // connect(a11yStatus, ); QtDbus doesn't support notifications for property changes yet }