diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 261 |
1 files changed, 189 insertions, 72 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index c084b17782..06f4b66edb 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qxcbscreen.h" #include "qxcbwindow.h" @@ -62,7 +26,7 @@ QXcbVirtualDesktop::QXcbVirtualDesktop(QXcbConnection *connection, xcb_screen_t { const QByteArray cmAtomName = "_NET_WM_CM_S" + QByteArray::number(m_number); m_net_wm_cm_atom = connection->internAtom(cmAtomName.constData()); - m_compositingActive = connection->getSelectionOwner(m_net_wm_cm_atom); + m_compositingActive = connection->selectionOwner(m_net_wm_cm_atom); m_workArea = getWorkArea(); @@ -86,7 +50,7 @@ QXcbVirtualDesktop::QXcbVirtualDesktop(QXcbConnection *connection, xcb_screen_t auto reply = Q_XCB_REPLY_UNCHECKED(xcb_get_property, xcb_connection(), false, screen->root, - atom(QXcbAtom::_NET_SUPPORTING_WM_CHECK), + atom(QXcbAtom::Atom_NET_SUPPORTING_WM_CHECK), XCB_ATOM_WINDOW, 0, 1024); if (reply && reply->format == 32 && reply->type == XCB_ATOM_WINDOW) { xcb_window_t windowManager = *((xcb_window_t *)xcb_get_property_value(reply.get())); @@ -128,7 +92,7 @@ QXcbVirtualDesktop::~QXcbVirtualDesktop() { delete m_xSettings; - for (auto cmap : qAsConst(m_visualColormaps)) + for (auto cmap : std::as_const(m_visualColormaps)) xcb_free_colormap(xcb_connection(), cmap); } @@ -177,7 +141,7 @@ bool QXcbVirtualDesktop::compositingActive() const if (connection()->hasXFixes()) return m_compositingActive; else - return connection()->getSelectionOwner(m_net_wm_cm_atom); + return connection()->selectionOwner(m_net_wm_cm_atom); } void QXcbVirtualDesktop::handleXFixesSelectionNotify(xcb_xfixes_selection_notify_event_t *notify_event) @@ -192,7 +156,7 @@ void QXcbVirtualDesktop::subscribeToXFixesSelectionNotify() const uint32_t mask = XCB_XFIXES_SELECTION_EVENT_MASK_SET_SELECTION_OWNER | XCB_XFIXES_SELECTION_EVENT_MASK_SELECTION_WINDOW_DESTROY | XCB_XFIXES_SELECTION_EVENT_MASK_SELECTION_CLIENT_CLOSE; - xcb_xfixes_select_selection_input_checked(xcb_connection(), connection()->getQtSelectionOwner(), m_net_wm_cm_atom, mask); + xcb_xfixes_select_selection_input_checked(xcb_connection(), connection()->qtSelectionOwner(), m_net_wm_cm_atom, mask); } } @@ -258,7 +222,7 @@ void QXcbVirtualDesktop::handleScreenChange(xcb_randr_screen_change_notify_event case XCB_RANDR_ROTATION_REFLECT_Y: break; } - for (QPlatformScreen *platformScreen : qAsConst(m_screens)) { + for (QPlatformScreen *platformScreen : std::as_const(m_screens)) { QDpi ldpi = platformScreen->logicalDpi(); QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(platformScreen->screen(), ldpi.first, ldpi.second); } @@ -271,7 +235,7 @@ void QXcbVirtualDesktop::handleScreenChange(xcb_randr_screen_change_notify_event _NET_WORKAREA means with multiple attached monitors. This gets worse when monitors have different dimensions and/or screens are not virtually aligned. In Qt we want the available geometry per monitor (QScreen), not desktop (represented by _NET_WORKAREA). WM specification - does not have an atom for this. Thus, QScreen is limted by the lack of support from the + does not have an atom for this. Thus, QScreen is limited by the lack of support from the underlying system. One option could be that Qt does WM's job of calculating this by subtracting geometries of @@ -285,7 +249,7 @@ QRect QXcbVirtualDesktop::getWorkArea() const { QRect r; auto workArea = Q_XCB_REPLY_UNCHECKED(xcb_get_property, xcb_connection(), false, screen()->root, - atom(QXcbAtom::_NET_WORKAREA), + atom(QXcbAtom::Atom_NET_WORKAREA), XCB_ATOM_CARDINAL, 0, 1024); 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 @@ -307,7 +271,7 @@ void QXcbVirtualDesktop::updateWorkArea() QRect workArea = getWorkArea(); if (m_workArea != workArea) { m_workArea = workArea; - for (QPlatformScreen *screen : qAsConst(m_screens)) + for (QPlatformScreen *screen : std::as_const(m_screens)) ((QXcbScreen *)screen)->updateAvailableGeometry(); } } @@ -530,12 +494,14 @@ QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDe xcb_randr_output_t outputId, xcb_randr_get_output_info_reply_t *output) : QXcbObject(connection) , m_virtualDesktop(virtualDesktop) + , m_monitor(nullptr) , m_output(outputId) , m_crtc(output ? output->crtc : XCB_NONE) , m_outputName(getOutputName(output)) , m_outputSizeMillimeters(output ? QSize(output->mm_width, output->mm_height) : QSize()) + , m_cursor(std::make_unique<QXcbCursor>(connection, this)) { - if (connection->hasXRandr()) { + if (connection->isAtLeastXRandR12()) { xcb_randr_select_input(xcb_connection(), screen()->root, true); auto crtc = Q_XCB_REPLY_UNCHECKED(xcb_randr_get_crtc_info, xcb_connection(), m_crtc, output ? output->timestamp : 0); @@ -554,20 +520,23 @@ QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDe if (m_sizeMillimeters.isEmpty()) m_sizeMillimeters = virtualDesktop->physicalSize(); - m_cursor = new QXcbCursor(connection, this); + updateColorSpaceAndEdid(); +} +void QXcbScreen::updateColorSpaceAndEdid() +{ { // Read colord ICC data (from GNOME settings) auto reply = Q_XCB_REPLY_UNCHECKED(xcb_get_property, xcb_connection(), false, screen()->root, - connection->atom(QXcbAtom::_ICC_PROFILE), + connection()->atom(QXcbAtom::Atom_ICC_PROFILE), XCB_ATOM_CARDINAL, 0, 8192); if (reply->format == 8 && reply->type == XCB_ATOM_CARDINAL) { QByteArray data(reinterpret_cast<const char *>(xcb_get_property_value(reply.get())), reply->value_len); m_colorSpace = QColorSpace::fromIccProfile(data); } } - if (connection->hasXRandr()) { // Parse EDID + if (connection()->isAtLeastXRandR12()) { // Parse EDID QByteArray edid = getEdid(); if (m_edid.parse(edid)) { qCDebug(lcQpaScreen, "EDID data for output \"%s\": identifier '%s', manufacturer '%s'," @@ -587,11 +556,11 @@ QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDe m_edid.greenChromaticity, m_edid.blueChromaticity, QColorSpace::TransferFunction::Gamma, m_edid.gamma); } else { - if (m_edid.tables.length() == 1) { + if (m_edid.tables.size() == 1) { m_colorSpace = QColorSpace(m_edid.whiteChromaticity, m_edid.redChromaticity, m_edid.greenChromaticity, m_edid.blueChromaticity, m_edid.tables[0]); - } else if (m_edid.tables.length() == 3) { + } else if (m_edid.tables.size() == 3) { m_colorSpace = QColorSpace(m_edid.whiteChromaticity, m_edid.redChromaticity, m_edid.greenChromaticity, m_edid.blueChromaticity, m_edid.tables[0], m_edid.tables[1], m_edid.tables[2]); @@ -610,9 +579,140 @@ QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDe m_colorSpace = QColorSpace::SRgb; } +QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDesktop, + xcb_randr_monitor_info_t *monitorInfo, xcb_timestamp_t timestamp) + : QXcbObject(connection) + , m_virtualDesktop(virtualDesktop) + , m_monitor(monitorInfo) + , m_cursor(std::make_unique<QXcbCursor>(connection, this)) +{ + setMonitor(monitorInfo, timestamp); +} + +void QXcbScreen::setMonitor(xcb_randr_monitor_info_t *monitorInfo, xcb_timestamp_t timestamp) +{ + if (!connection()->isAtLeastXRandR15()) + return; + + m_outputs.clear(); + m_crtcs.clear(); + m_output = XCB_NONE; + m_crtc = XCB_NONE; + m_singlescreen = false; + + if (!monitorInfo) { + m_monitor = nullptr; + m_mode = XCB_NONE; + m_outputName = defaultName(); + // TODO: Send an event to the QScreen instance that the screen changed its name + return; + } + + xcb_randr_select_input(xcb_connection(), screen()->root, true); + + m_monitor = monitorInfo; + qCDebug(lcQpaScreen) << "xcb_randr_monitor_info_t: primary=" << m_monitor->primary << ", x=" << m_monitor->x << ", y=" << m_monitor->y + << ", width=" << m_monitor->width << ", height=" << m_monitor->height + << ", width_in_millimeters=" << m_monitor->width_in_millimeters << ", height_in_millimeters=" << m_monitor->height_in_millimeters; + QRect monitorGeometry = QRect(m_monitor->x, m_monitor->y, + m_monitor->width, m_monitor->height); + m_sizeMillimeters = QSize(m_monitor->width_in_millimeters, m_monitor->height_in_millimeters); + + int outputCount = xcb_randr_monitor_info_outputs_length(m_monitor); + xcb_randr_output_t *outputs = nullptr; + if (outputCount) { + outputs = xcb_randr_monitor_info_outputs(m_monitor); + for (int i = 0; i < outputCount; i++) { + auto output = Q_XCB_REPLY_UNCHECKED(xcb_randr_get_output_info, + xcb_connection(), outputs[i], timestamp); + // Invalid, disconnected or disabled output + if (!output) + continue; + + if (output->connection != XCB_RANDR_CONNECTION_CONNECTED) { + qCDebug(lcQpaScreen, "Output %s is not connected", qPrintable( + QString::fromUtf8((const char*)xcb_randr_get_output_info_name(output.get()), + xcb_randr_get_output_info_name_length(output.get())))); + continue; + } + + if (output->crtc == XCB_NONE) { + qCDebug(lcQpaScreen, "Output %s is not enabled", qPrintable( + QString::fromUtf8((const char*)xcb_randr_get_output_info_name(output.get()), + xcb_randr_get_output_info_name_length(output.get())))); + continue; + } + + m_outputs << outputs[i]; + if (m_output == XCB_NONE) { + m_output = outputs[i]; + m_outputSizeMillimeters = QSize(output->mm_width, output->mm_height); + } + m_crtcs << output->crtc; + if (m_crtc == XCB_NONE) + m_crtc = output->crtc; + } + } + + if (m_crtcs.size() == 1) { + auto crtc = Q_XCB_REPLY(xcb_randr_get_crtc_info, + xcb_connection(), m_crtcs[0], timestamp); + m_singlescreen = (monitorGeometry == (QRect(crtc->x, crtc->y, crtc->width, crtc->height))); + if (m_singlescreen) { + if (crtc->mode) { + updateGeometry(QRect(crtc->x, crtc->y, crtc->width, crtc->height), crtc->rotation); + if (mode() != crtc->mode) + updateRefreshRate(crtc->mode); + } + } + } + + if (!m_singlescreen) + m_geometry = monitorGeometry; + m_availableGeometry = m_virtualDesktop->availableGeometry(m_geometry); + if (m_geometry.isEmpty()) + m_geometry = QRect(QPoint(), virtualDesktop()->size()); + if (m_availableGeometry.isEmpty()) + m_availableGeometry = m_virtualDesktop->availableGeometry(m_geometry); + + if (m_sizeMillimeters.isEmpty()) + m_sizeMillimeters = virtualDesktop()->physicalSize(); + + m_outputName = getName(monitorInfo); + m_primary = false; + if (connection()->primaryScreenNumber() == virtualDesktop()->number()) { + if (monitorInfo->primary || isPrimaryInXScreen()) + m_primary = true; + } + + updateColorSpaceAndEdid(); +} + +QString QXcbScreen::defaultName() +{ + QString name; + QByteArray displayName = connection()->displayName(); + int dotPos = displayName.lastIndexOf('.'); + if (dotPos != -1) + displayName.truncate(dotPos); + name = QString::fromLocal8Bit(displayName) + u'.' + + QString::number(m_virtualDesktop->number()); + return name; +} + +bool QXcbScreen::isPrimaryInXScreen() +{ + auto primary = Q_XCB_REPLY(xcb_randr_get_output_primary, connection()->xcb_connection(), root()); + if (!primary) + qWarning("failed to get the primary output of the screen"); + + const bool isPrimary = primary ? (m_monitor ? m_outputs.contains(primary->output) : m_output == primary->output) : false; + + return isPrimary; +} + QXcbScreen::~QXcbScreen() { - delete m_cursor; } QString QXcbScreen::getOutputName(xcb_randr_get_output_info_reply_t *outputInfo) @@ -622,11 +722,23 @@ QString QXcbScreen::getOutputName(xcb_randr_get_output_info_reply_t *outputInfo) name = QString::fromUtf8((const char*)xcb_randr_get_output_info_name(outputInfo), xcb_randr_get_output_info_name_length(outputInfo)); } else { + name = defaultName(); + } + return name; +} + +QString QXcbScreen::getName(xcb_randr_monitor_info_t *monitorInfo) +{ + QString name; + QByteArray ba = connection()->atomName(monitorInfo->name); + if (!ba.isEmpty()) { + name = QString::fromLatin1(ba.constData()); + } else { QByteArray displayName = connection()->displayName(); int dotPos = displayName.lastIndexOf('.'); if (dotPos != -1) displayName.truncate(dotPos); - name = QString::fromLocal8Bit(displayName) + QLatin1Char('.') + name = QString::fromLocal8Bit(displayName) + u'.' + QString::number(m_virtualDesktop->number()); } return name; @@ -684,7 +796,7 @@ void QXcbScreen::windowShown(QXcbWindow *window) // Freedesktop.org Startup Notification if (!connection()->startupId().isEmpty() && window->window()->isTopLevel()) { sendStartupMessage(QByteArrayLiteral("remove: ID=") + connection()->startupId()); - connection()->clearStartupId(); + connection()->setStartupId({}); } } @@ -705,15 +817,15 @@ void QXcbScreen::sendStartupMessage(const QByteArray &message) const xcb_client_message_event_t ev; ev.response_type = XCB_CLIENT_MESSAGE; ev.format = 8; - ev.type = connection()->atom(QXcbAtom::_NET_STARTUP_INFO_BEGIN); + ev.type = connection()->atom(QXcbAtom::Atom_NET_STARTUP_INFO_BEGIN); ev.sequence = 0; ev.window = rootWindow; int sent = 0; - int length = message.length() + 1; // include NUL byte + int length = message.size() + 1; // include NUL byte const char *data = message.constData(); do { if (sent == 20) - ev.type = connection()->atom(QXcbAtom::_NET_STARTUP_INFO); + ev.type = connection()->atom(QXcbAtom::Atom_NET_STARTUP_INFO); const int start = sent; const int numBytes = qMin(length - start, 20); @@ -727,7 +839,7 @@ void QXcbScreen::sendStartupMessage(const QByteArray &message) const QRect QXcbScreen::availableGeometry() const { static bool enforceNetWorkarea = !qEnvironmentVariableIsEmpty("QT_RELY_ON_NET_WORKAREA_ATOM"); - bool isMultiHeadSystem = virtualSiblings().length() > 1; + bool isMultiHeadSystem = virtualSiblings().size() > 1; bool useScreenGeometry = isMultiHeadSystem && !enforceNetWorkarea; return useScreenGeometry ? m_geometry : m_availableGeometry; } @@ -758,7 +870,7 @@ QDpi QXcbScreen::logicalDpi() const return QDpi(forcedDpi, forcedDpi); // Fall back to 96 DPI in case no logical DPI is set. We don't want to - // return physical DPI here, since that is a differnt type of DPI: Logical + // return physical DPI here, since that is a different type of DPI: Logical // DPI typically accounts for user preference and viewing distance, and is // quantized into DPI classes (96, 144, 192, etc); pysical DPI is an exact // physical measure. @@ -767,12 +879,13 @@ QDpi QXcbScreen::logicalDpi() const QPlatformCursor *QXcbScreen::cursor() const { - return m_cursor; + return m_cursor.get(); } void QXcbScreen::setOutput(xcb_randr_output_t outputId, xcb_randr_get_output_info_reply_t *outputInfo) { + m_monitor = nullptr; m_output = outputId; m_crtc = outputInfo ? outputInfo->crtc : XCB_NONE; m_mode = XCB_NONE; @@ -782,7 +895,7 @@ void QXcbScreen::setOutput(xcb_randr_output_t outputId, void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp) { - if (!connection()->hasXRandr()) + if (!connection()->isAtLeastXRandR12()) return; auto crtc = Q_XCB_REPLY_UNCHECKED(xcb_randr_get_crtc_info, xcb_connection(), @@ -798,19 +911,23 @@ void QXcbScreen::updateGeometry(const QRect &geometry, uint8_t rotation) switch (rotation) { case XCB_RANDR_ROTATION_ROTATE_0: // xrandr --rotate normal m_orientation = Qt::LandscapeOrientation; - m_sizeMillimeters = m_outputSizeMillimeters; + if (!m_monitor) + m_sizeMillimeters = m_outputSizeMillimeters; break; case XCB_RANDR_ROTATION_ROTATE_90: // xrandr --rotate left m_orientation = Qt::PortraitOrientation; - m_sizeMillimeters = m_outputSizeMillimeters.transposed(); + if (!m_monitor) + m_sizeMillimeters = m_outputSizeMillimeters.transposed(); break; case XCB_RANDR_ROTATION_ROTATE_180: // xrandr --rotate inverted m_orientation = Qt::InvertedLandscapeOrientation; - m_sizeMillimeters = m_outputSizeMillimeters; + if (!m_monitor) + m_sizeMillimeters = m_outputSizeMillimeters; break; case XCB_RANDR_ROTATION_ROTATE_270: // xrandr --rotate right m_orientation = Qt::InvertedPortraitOrientation; - m_sizeMillimeters = m_outputSizeMillimeters.transposed(); + if (!m_monitor) + m_sizeMillimeters = m_outputSizeMillimeters.transposed(); break; } @@ -838,7 +955,7 @@ void QXcbScreen::updateAvailableGeometry() void QXcbScreen::updateRefreshRate(xcb_randr_mode_t mode) { - if (!connection()->hasXRandr()) + if (!connection()->isAtLeastXRandR12()) return; if (m_mode == mode) @@ -974,15 +1091,15 @@ QByteArray QXcbScreen::getOutputProperty(xcb_atom_t atom) const QByteArray QXcbScreen::getEdid() const { QByteArray result; - if (!connection()->hasXRandr()) + if (!connection()->isAtLeastXRandR12()) return result; // Try a bunch of atoms - result = getOutputProperty(atom(QXcbAtom::EDID)); + result = getOutputProperty(atom(QXcbAtom::AtomEDID)); if (result.isEmpty()) - result = getOutputProperty(atom(QXcbAtom::EDID_DATA)); + result = getOutputProperty(atom(QXcbAtom::AtomEDID_DATA)); if (result.isEmpty()) - result = getOutputProperty(atom(QXcbAtom::XFree86_DDC_EDID1_RAWDATA)); + result = getOutputProperty(atom(QXcbAtom::AtomXFree86_DDC_EDID1_RAWDATA)); return result; } |