diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbscreen.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 68 |
1 files changed, 46 insertions, 22 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index 9b24884e1c..2a53b18890 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -58,6 +58,8 @@ QXcbVirtualDesktop::QXcbVirtualDesktop(QXcbConnection *connection, xcb_screen_t cmAtomName += QByteArray::number(m_number); m_net_wm_cm_atom = connection->internAtom(cmAtomName.constData()); m_compositingActive = connection->getSelectionOwner(m_net_wm_cm_atom); + + m_workArea = getWorkArea(); } QXcbVirtualDesktop::~QXcbVirtualDesktop() @@ -112,6 +114,40 @@ void QXcbVirtualDesktop::subscribeToXFixesSelectionNotify() } } +QRect QXcbVirtualDesktop::getWorkArea() const +{ + QRect r; + xcb_get_property_reply_t * workArea = + xcb_get_property_reply(xcb_connection(), + xcb_get_property_unchecked(xcb_connection(), false, screen()->root, + atom(QXcbAtom::_NET_WORKAREA), + XCB_ATOM_CARDINAL, 0, 1024), NULL); + if (workArea && workArea->type == XCB_ATOM_CARDINAL && workArea->format == 32 && workArea->value_len >= 4) { + // If workArea->value_len > 4, the remaining ones seem to be for WM's virtual desktops + // (don't mess with QXcbVirtualDesktop which represents an X screen). + // But QScreen doesn't know about that concept. In reality there could be a + // "docked" panel (with _NET_WM_STRUT_PARTIAL atom set) on just one desktop. + // But for now just assume the first 4 values give us the geometry of the + // "work area", AKA "available geometry" + uint32_t *geom = (uint32_t*)xcb_get_property_value(workArea); + r = QRect(geom[0], geom[1], geom[2], geom[3]); + } else { + r = QRect(QPoint(), size()); + } + free(workArea); + return r; +} + +void QXcbVirtualDesktop::updateWorkArea() +{ + QRect workArea = getWorkArea(); + if (m_workArea != workArea) { + m_workArea = workArea; + foreach (QPlatformScreen *screen, m_screens) + ((QXcbScreen *)screen)->updateAvailableGeometry(); + } +} + QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDesktop, xcb_randr_output_t outputId, xcb_randr_get_output_info_reply_t *output, QString outputName) @@ -457,7 +493,6 @@ void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp) void QXcbScreen::updateGeometry(const QRect &geom, uint8_t rotation) { QRect xGeometry = geom; - QRect xAvailableGeometry = xGeometry; switch (rotation) { case XCB_RANDR_ROTATION_ROTATE_0: // xrandr --rotate normal m_orientation = Qt::LandscapeOrientation; @@ -486,34 +521,23 @@ void QXcbScreen::updateGeometry(const QRect &geom, uint8_t rotation) Q_MM_PER_INCH * xGeometry.width() / dpi.second); } - xcb_get_property_reply_t * workArea = - xcb_get_property_reply(xcb_connection(), - xcb_get_property_unchecked(xcb_connection(), false, screen()->root, - atom(QXcbAtom::_NET_WORKAREA), - XCB_ATOM_CARDINAL, 0, 1024), NULL); - - if (workArea && workArea->type == XCB_ATOM_CARDINAL && workArea->format == 32 && workArea->value_len >= 4) { - // If workArea->value_len > 4, the remaining ones seem to be for virtual desktops. - // But QScreen doesn't know about that concept. In reality there could be a - // "docked" panel (with _NET_WM_STRUT_PARTIAL atom set) on just one desktop. - // But for now just assume the first 4 values give us the geometry of the - // "work area", AKA "available geometry" - uint32_t *geom = (uint32_t*)xcb_get_property_value(workArea); - QRect virtualAvailableGeometry(geom[0], geom[1], geom[2], geom[3]); - // Take the intersection of the desktop's available geometry with this screen's geometry - // to get the part of the available geometry which belongs to this screen. - xAvailableGeometry = xGeometry & virtualAvailableGeometry; - } - free(workArea); - qreal dpi = xGeometry.width() / physicalSize().width() * qreal(25.4); m_pixelDensity = qRound(dpi/96); m_geometry = QRect(xGeometry.topLeft(), xGeometry.size()); m_nativeGeometry = QRect(xGeometry.topLeft(), xGeometry.size()); - m_availableGeometry = QRect(xAvailableGeometry.topLeft(), xAvailableGeometry.size()); + m_availableGeometry = xGeometry & m_virtualDesktop->workArea(); QWindowSystemInterface::handleScreenGeometryChange(QPlatformScreen::screen(), m_geometry, m_availableGeometry); } +void QXcbScreen::updateAvailableGeometry() +{ + QRect availableGeometry = m_geometry & m_virtualDesktop->workArea(); + if (m_availableGeometry != availableGeometry) { + m_availableGeometry = availableGeometry; + QWindowSystemInterface::handleScreenGeometryChange(QPlatformScreen::screen(), m_geometry, m_availableGeometry); + } +} + void QXcbScreen::updateRefreshRate(xcb_randr_mode_t mode) { if (!connection()->hasXRandr()) |