summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qeventdispatcher_glib_qws.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/gui/kernel/qeventdispatcher_glib_qws.cpp
downloadQt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.zip
Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.gz
Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.bz2
Long live Qt!
Diffstat (limited to 'src/gui/kernel/qeventdispatcher_glib_qws.cpp')
-rw-r--r--src/gui/kernel/qeventdispatcher_glib_qws.cpp195
1 files changed, 195 insertions, 0 deletions
diff --git a/src/gui/kernel/qeventdispatcher_glib_qws.cpp b/src/gui/kernel/qeventdispatcher_glib_qws.cpp
new file mode 100644
index 0000000..1e740c3
--- /dev/null
+++ b/src/gui/kernel/qeventdispatcher_glib_qws.cpp
@@ -0,0 +1,195 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeventdispatcher_glib_qws_p.h"
+
+#include "qapplication.h"
+
+#include "qplatformdefs.h"
+#include "qapplication.h"
+#include "private/qwscommand_qws_p.h"
+#include "qwsdisplay_qws.h"
+#include "qwsevent_qws.h"
+#include "qwindowsystem_qws.h"
+
+#include <glib.h>
+
+QT_BEGIN_NAMESPACE
+
+// from qapplication_qws.cpp
+extern QWSDisplay* qt_fbdpy; // QWS `display'
+
+//from qwindowsystem_qws.cpp
+extern QList<QWSCommand*> *qt_get_server_queue();
+
+struct GQWSEventSource
+{
+ GSource source;
+ QEventLoop::ProcessEventsFlags flags;
+ QWSEventDispatcherGlib *q;
+ QWSEventDispatcherGlibPrivate *d;
+};
+
+class QWSEventDispatcherGlibPrivate : public QEventDispatcherGlibPrivate
+{
+ Q_DECLARE_PUBLIC(QWSEventDispatcherGlib)
+
+public:
+ QWSEventDispatcherGlibPrivate();
+ GQWSEventSource *qwsEventSource;
+ QList<QWSEvent*> queuedUserInputEvents;
+};
+
+static gboolean qwsEventSourcePrepare(GSource *s, gint *timeout)
+{
+ if (timeout)
+ *timeout = -1;
+ GQWSEventSource *source = reinterpret_cast<GQWSEventSource *>(s);
+ return qt_fbdpy->eventPending() || !source->d->queuedUserInputEvents.isEmpty()
+ || !qt_get_server_queue()->isEmpty() ;
+}
+
+static gboolean qwsEventSourceCheck(GSource *s)
+{
+ GQWSEventSource *source = reinterpret_cast<GQWSEventSource *>(s);
+ return qt_fbdpy->eventPending() || !source->d->queuedUserInputEvents.isEmpty()
+ || !qt_get_server_queue()->isEmpty() ;
+}
+
+static gboolean qwsEventSourceDispatch(GSource *s, GSourceFunc callback, gpointer user_data)
+{
+ GQWSEventSource *source = reinterpret_cast<GQWSEventSource *>(s);
+
+ //??? ulong marker = XNextRequest(X11->display);
+ do {
+ QWSEvent *event;
+ if (!(source->flags & QEventLoop::ExcludeUserInputEvents)
+ && !source->d->queuedUserInputEvents.isEmpty()) {
+ // process a pending user input event
+ event = source->d->queuedUserInputEvents.takeFirst();
+ } else if (qt_fbdpy->eventPending()) {
+ event = qt_fbdpy->getEvent();
+
+ if (source->flags & QEventLoop::ExcludeUserInputEvents) {
+ // queue user input events
+
+ if (event->type == QWSEvent::Mouse || event->type == QWSEvent::Key) {
+ source->d->queuedUserInputEvents.append(event);
+ continue;
+ }
+ }
+ } else {
+ // no event to process
+ break;
+ }
+
+ // send through event filter
+ if (source->q->filterEvent(event)) {
+ delete event;
+ continue;
+ }
+
+ bool ret = qApp->qwsProcessEvent(event) == 1;
+ delete event;
+ if (ret) {
+ return true;
+ }
+
+ } while (qt_fbdpy->eventPending());
+
+ if (callback)
+ callback(user_data);
+ return true;
+}
+
+static GSourceFuncs qwsEventSourceFuncs = {
+ qwsEventSourcePrepare,
+ qwsEventSourceCheck,
+ qwsEventSourceDispatch,
+ NULL,
+ NULL,
+ NULL
+};
+
+QWSEventDispatcherGlibPrivate::QWSEventDispatcherGlibPrivate()
+{
+ qwsEventSource = reinterpret_cast<GQWSEventSource *>(g_source_new(&qwsEventSourceFuncs,
+ sizeof(GQWSEventSource)));
+ g_source_set_can_recurse(&qwsEventSource->source, true);
+
+ qwsEventSource->flags = QEventLoop::AllEvents;
+ qwsEventSource->q = 0;
+ qwsEventSource->d = 0;
+
+ g_source_attach(&qwsEventSource->source, mainContext);
+}
+
+QWSEventDispatcherGlib::QWSEventDispatcherGlib(QObject *parent)
+ : QEventDispatcherGlib(*new QWSEventDispatcherGlibPrivate, parent)
+{
+}
+
+QWSEventDispatcherGlib::~QWSEventDispatcherGlib()
+{
+ Q_D(QWSEventDispatcherGlib);
+
+ g_source_destroy(&d->qwsEventSource->source);
+ d->qwsEventSource = 0;
+}
+
+bool QWSEventDispatcherGlib::processEvents(QEventLoop::ProcessEventsFlags flags)
+{
+ Q_D(QWSEventDispatcherGlib);
+ QEventLoop::ProcessEventsFlags saved_flags = d->qwsEventSource->flags;
+ d->qwsEventSource->flags = flags;
+ bool returnValue = QEventDispatcherGlib::processEvents(flags);
+ d->qwsEventSource->flags = saved_flags;
+ return returnValue;
+}
+
+void QWSEventDispatcherGlib::startingUp()
+{
+ Q_D(QWSEventDispatcherGlib);
+ d->qwsEventSource->q = this;
+ d->qwsEventSource->d = d;
+}
+
+QT_END_NAMESPACE