diff options
author | Błażej Szczygieł <spaz16@wp.pl> | 2015-11-02 00:26:39 +0100 |
---|---|---|
committer | Shawn Rutledge <shawn.rutledge@theqtcompany.com> | 2015-12-22 11:28:54 +0000 |
commit | f48170b479df359f47af12b03a501d9d0c386e66 (patch) | |
tree | f3bf98a6de44cb16a0d889d83af08b476eac8d44 /src/plugins/platforms/xcb/qxcbscreen.cpp | |
parent | f7a167223bd654bccb3c5bee7750eb86e6692d7a (diff) |
xcb: Add Xinerama support
This patch makes possible to use Xinerama screens in XCB platform
plugin.
Task-number: QTBUG-48615
Change-Id: Ib4dbfcdfadc46d2875a2fc09e8b852181edfbed2
Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbscreen.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index f05432ef68..caddd2b2a5 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -155,8 +155,15 @@ void QXcbVirtualDesktop::updateWorkArea() } } +static inline QSizeF sizeInMillimeters(const QSize &size, const QDpi &dpi) +{ + return QSizeF(Q_MM_PER_INCH * size.width() / dpi.first, + Q_MM_PER_INCH * size.height() / dpi.second); +} + QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDesktop, - xcb_randr_output_t outputId, xcb_randr_get_output_info_reply_t *output) + xcb_randr_output_t outputId, xcb_randr_get_output_info_reply_t *output, + const xcb_xinerama_screen_info_t *xineramaScreenInfo, int xineramaScreenIdx) : QXcbObject(connection) , m_virtualDesktop(virtualDesktop) , m_output(outputId) @@ -188,8 +195,14 @@ QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDe updateRefreshRate(crtc->mode); free(crtc); } - } else { - updateGeometry(output ? output->timestamp : 0); + } else if (xineramaScreenInfo) { + m_geometry = QRect(xineramaScreenInfo->x_org, xineramaScreenInfo->y_org, + xineramaScreenInfo->width, xineramaScreenInfo->height); + m_nativeGeometry = m_geometry; + m_availableGeometry = m_geometry & m_virtualDesktop->workArea(); + m_sizeMillimeters = sizeInMillimeters(m_geometry.size(), virtualDpi()); + if (xineramaScreenIdx > -1) + m_outputName += QLatin1Char('-') + QString::number(xineramaScreenIdx); } if (m_geometry.isEmpty()) { @@ -538,11 +551,8 @@ void QXcbScreen::updateGeometry(const QRect &geom, uint8_t rotation) // It can be that physical size is unknown while virtual size // is known (probably back-calculated from DPI and resolution), // e.g. on VNC or with some hardware. - if (m_sizeMillimeters.isEmpty()) { - QDpi dpi = virtualDpi(); - m_sizeMillimeters = QSizeF(Q_MM_PER_INCH * xGeometry.width() / dpi.first, - Q_MM_PER_INCH * xGeometry.width() / dpi.second); - } + if (m_sizeMillimeters.isEmpty()) + m_sizeMillimeters = sizeInMillimeters(xGeometry.size(), virtualDpi()); qreal dpi = xGeometry.width() / physicalSize().width() * qreal(25.4); m_pixelDensity = qRound(dpi/96); |