+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the config.tests 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 Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights. These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <xcb/xcb.h>
-
-// FIXME This workaround can be removed for xcb-icccm > 3.8
-#define class class_name
-#include <xcb/xcb_icccm.h>
-#undef class
-
-#include <xcb/xfixes.h>
-#include <xcb/xcb_image.h>
-#include <xcb/xcb_keysyms.h>
-#include <xcb/sync.h>
-#include <xcb/shm.h>
-
-int main(int, char **)
-{
- int primaryScreen = 0;
-
- xcb_connection_t *connection = xcb_connect("", &primaryScreen);
-
- xcb_generic_event_t *event = xcb_poll_for_queued_event(connection);
-
- return 0;
-}
+++ /dev/null
-SOURCES = xcb-poll-for-queued-event.cpp
-CONFIG -= qt
-
-LIBS += -lxcb -lxcb-image -lxcb-keysyms -lxcb-icccm -lxcb-sync -lxcb-xfixes
-
CFG_XKB=auto
CFG_XCB=auto
CFG_XCB_GLX=no
-CFG_XCB_LIMITED=yes
CFG_EGLFS=auto
CFG_DIRECTFB=auto
CFG_LINUXFB=auto
QT_CONFIG="$QT_CONFIG xcb-glx"
fi
- if compileTest qpa/xcb-poll-for-queued-event "xcb-poll-for-queued-event" $QMAKE_CFLAGS_XCB $QMAKE_LIBS_XCB; then
- CFG_XCB_LIMITED=no
- QT_CONFIG="$QT_CONFIG xcb-poll-for-queued-event"
- fi
-
if compileTest qpa/xcb-xlib "xcb-xlib" $QMAKE_CFLAGS_XCB $QMAKE_LIBS_XCB; then
QT_CONFIG="$QT_CONFIG xcb-xlib"
fi
fi
echo "libICU support ......... $CFG_ICU"
echo "PCRE support ........... $CFG_PCRE"
-if [ "$CFG_XCB_LIMITED" = "yes" ] && [ "$CFG_XCB" = "yes" ]; then
- echo "Xcb support ............ limited (old version)"
-else
- echo "Xcb support ............ $CFG_XCB"
-fi
+echo "Xcb support ............ $CFG_XCB"
echo "Xrender support ........ $CFG_XRENDER"
if [ "$XPLATFORM_MAEMO" = "yes" ] && [ "$CFG_XCB" = "yes" ]; then
echo "XInput2 support ........ $CFG_XINPUT2"
#include <QTimer>
#include <QByteArray>
+#include <dlfcn.h>
#include <stdio.h>
#include <errno.h>
#include <xcb/shm.h>
qFatal("QXcbConnection: Could not connect to display %s", m_displayName.constData());
m_reader = new QXcbEventReader(this);
-#ifdef XCB_POLL_FOR_QUEUED_EVENT
connect(m_reader, SIGNAL(eventPending()), this, SLOT(processXcbEvents()), Qt::QueuedConnection);
connect(m_reader, SIGNAL(finished()), this, SLOT(processXcbEvents()));
- m_reader->start();
-#else
- QSocketNotifier *notifier = new QSocketNotifier(xcb_get_file_descriptor(xcb_connection()), QSocketNotifier::Read, this);
- connect(notifier, SIGNAL(activated(int)), this, SLOT(processXcbEvents()));
+ if (!m_reader->startThread()) {
+ QSocketNotifier *notifier = new QSocketNotifier(xcb_get_file_descriptor(xcb_connection()), QSocketNotifier::Read, this);
+ connect(notifier, SIGNAL(activated(int)), this, SLOT(processXcbEvents()));
- QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
- connect(dispatcher, SIGNAL(aboutToBlock()), this, SLOT(processXcbEvents()));
- connect(dispatcher, SIGNAL(awake()), this, SLOT(processXcbEvents()));
-#endif
+ QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
+ connect(dispatcher, SIGNAL(aboutToBlock()), this, SLOT(processXcbEvents()));
+ connect(dispatcher, SIGNAL(awake()), this, SLOT(processXcbEvents()));
+ }
xcb_extension_t *extensions[] = {
&xcb_shm_id, &xcb_xfixes_id, &xcb_randr_id, &xcb_shape_id, &xcb_sync_id,
finalizeXInput2();
#endif
-#ifdef XCB_POLL_FOR_QUEUED_EVENT
- sendConnectionEvent(QXcbAtom::_QT_CLOSE_CONNECTION);
- m_reader->wait();
-#endif
+ if (m_reader->isRunning()) {
+ sendConnectionEvent(QXcbAtom::_QT_CLOSE_CONNECTION);
+ m_reader->wait();
+ }
+
delete m_reader;
#ifdef XCB_USE_EGL
m_peekFuncs.append(f);
}
-#ifdef XCB_POLL_FOR_QUEUED_EVENT
+QXcbEventReader::QXcbEventReader(QXcbConnection *connection)
+ : m_connection(connection)
+ , m_xcb_poll_for_queued_event(0)
+{
+#ifdef RTLD_DEFAULT
+ m_xcb_poll_for_queued_event = (XcbPollForQueuedEventFunctionPointer)dlsym(RTLD_DEFAULT, "xcb_poll_for_queued_event");
+#endif
+
+#ifdef Q_XCB_DEBUG
+ if (m_xcb_poll_for_queued_event)
+ qDebug("Using threaded event reader with xcb_poll_for_queued_event");
+#endif
+}
+
+bool QXcbEventReader::startThread()
+{
+ if (m_xcb_poll_for_queued_event) {
+ QThread::start();
+ return true;
+ }
+
+ return false;
+}
+
void QXcbEventReader::run()
{
xcb_generic_event_t *event;
while (m_connection && (event = xcb_wait_for_event(m_connection->xcb_connection()))) {
m_mutex.lock();
addEvent(event);
- while (m_connection && (event = xcb_poll_for_queued_event(m_connection->xcb_connection())))
+ while (m_connection && (event = m_xcb_poll_for_queued_event(m_connection->xcb_connection())))
addEvent(event);
m_mutex.unlock();
emit eventPending();
for (int i = 0; i < m_events.size(); ++i)
free(m_events.at(i));
}
-#endif
void QXcbEventReader::addEvent(xcb_generic_event_t *event)
{
QXcbEventArray *QXcbEventReader::lock()
{
m_mutex.lock();
-#ifndef XCB_POLL_FOR_QUEUED_EVENT
- while (xcb_generic_event_t *event = xcb_poll_for_event(m_connection->xcb_connection()))
- m_events << event;
-#endif
+ if (!m_xcb_poll_for_queued_event) {
+ while (xcb_generic_event_t *event = xcb_poll_for_event(m_connection->xcb_connection()))
+ m_events << event;
+ }
return &m_events;
}
{
Q_OBJECT
public:
- QXcbEventReader(QXcbConnection *connection)
- : m_connection(connection)
- {
- }
+ QXcbEventReader(QXcbConnection *connection);
-#ifdef XCB_POLL_FOR_QUEUED_EVENT
void run();
-#endif
QXcbEventArray *lock();
void unlock();
+ bool startThread();
+
signals:
void eventPending();
QMutex m_mutex;
QXcbEventArray m_events;
QXcbConnection *m_connection;
+
+ typedef xcb_generic_event_t * (*XcbPollForQueuedEventFunctionPointer)(xcb_connection_t *c);
+ XcbPollForQueuedEventFunctionPointer m_xcb_poll_for_queued_event;
};
class QAbstractEventDispatcher;
qxcbimage.h \
qxlibconvenience.h
-contains(QT_CONFIG, xcb-poll-for-queued-event) {
- DEFINES += XCB_POLL_FOR_QUEUED_EVENT
-}
+LIBS += -ldl
# needed by GLX, Xcursor, XLookupString, ...
contains(QT_CONFIG, xcb-xlib) {