, m_orientation(Qt::PrimaryOrientation)
, m_number(number)
, m_refreshRate(60)
+ , m_forcedDpi(-1)
{
if (connection->hasXRandr())
xcb_randr_select_input(xcb_connection(), screen()->root, true);
if (m_availableGeometry.isEmpty())
m_availableGeometry = QRect(QPoint(), m_virtualSize);
+ readXResources();
+
+
#ifdef Q_XCB_DEBUG
qDebug();
qDebug("Screen output %s of xcb screen %d:", m_outputName.toUtf8().constData(), m_number);
QDpi QXcbScreen::logicalDpi() const
{
+ if (m_forcedDpi > 0)
+ return QDpi(m_forcedDpi, m_forcedDpi);
+
return QDpi(Q_MM_PER_INCH * m_virtualSize.width() / m_virtualSizeMillimeters.width(),
Q_MM_PER_INCH * m_virtualSize.height() / m_virtualSizeMillimeters.height());
}
return result;
}
+void QXcbScreen::readXResources()
+{
+ int offset = 0;
+ QByteArray resources;
+ while(1) {
+ xcb_get_property_reply_t *reply =
+ xcb_get_property_reply(xcb_connection(),
+ xcb_get_property_unchecked(xcb_connection(), false, screen()->root,
+ XCB_ATOM_RESOURCE_MANAGER,
+ XCB_ATOM_STRING, offset/4, 8192), NULL);
+ bool more = false;
+ if (reply && reply->format == 8 && reply->type == XCB_ATOM_STRING) {
+ resources += QByteArray((const char *)xcb_get_property_value(reply), xcb_get_property_value_length(reply));
+ offset += xcb_get_property_value_length(reply);
+ more = reply->bytes_after != 0;
+ }
+
+ if (reply)
+ free(reply);
+
+ if (!more)
+ break;
+ }
+
+ QList<QByteArray> split = resources.split('\n');
+ for (int i = 0; i < split.size(); ++i) {
+ const QByteArray &r = split.at(i);
+ if (r.startsWith("Xft.dpi:\t")) {
+ bool ok;
+ int dpi = r.mid(sizeof("Xft.dpi:")).toInt(&ok);
+ if (ok)
+ m_forcedDpi = dpi;
+ break;
+ }
+ }
+}
+
QT_END_NAMESPACE