diff options
Diffstat (limited to 'src/gui/kernel/qguieventdispatcher_glib.cpp')
| -rw-r--r-- | src/gui/kernel/qguieventdispatcher_glib.cpp | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/gui/kernel/qguieventdispatcher_glib.cpp b/src/gui/kernel/qguieventdispatcher_glib.cpp deleted file mode 100644 index 3fa10eb7e9..0000000000 --- a/src/gui/kernel/qguieventdispatcher_glib.cpp +++ /dev/null @@ -1,224 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying -** this package. -** -** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qguieventdispatcher_glib_p.h" - -#include "qapplication.h" -#include "qx11info_x11.h" - -#include "qt_x11_p.h" - -#include <glib.h> - -QT_BEGIN_NAMESPACE - -struct GX11EventSource -{ - GSource source; - GPollFD pollfd; - QEventLoop::ProcessEventsFlags flags; - QGuiEventDispatcherGlib *q; - QGuiEventDispatcherGlibPrivate *d; -}; - -class QGuiEventDispatcherGlibPrivate : public QEventDispatcherGlibPrivate -{ - Q_DECLARE_PUBLIC(QGuiEventDispatcherGlib) - -public: - QGuiEventDispatcherGlibPrivate(); - GX11EventSource *x11EventSource; - QList<XEvent> queuedUserInputEvents; -}; - -static gboolean x11EventSourcePrepare(GSource *s, gint *timeout) -{ - if (timeout) - *timeout = -1; - GX11EventSource *source = reinterpret_cast<GX11EventSource *>(s); - return (XEventsQueued(X11->display, QueuedAfterFlush) - || (!(source->flags & QEventLoop::ExcludeUserInputEvents) - && !source->d->queuedUserInputEvents.isEmpty())); -} - -static gboolean x11EventSourceCheck(GSource *s) -{ - GX11EventSource *source = reinterpret_cast<GX11EventSource *>(s); - return (XEventsQueued(X11->display, QueuedAfterFlush) - || (!(source->flags & QEventLoop::ExcludeUserInputEvents) - && !source->d->queuedUserInputEvents.isEmpty())); -} - -static gboolean x11EventSourceDispatch(GSource *s, GSourceFunc callback, gpointer user_data) -{ - GX11EventSource *source = reinterpret_cast<GX11EventSource *>(s); - - ulong marker = XNextRequest(X11->display); - do { - XEvent event; - if (!(source->flags & QEventLoop::ExcludeUserInputEvents) - && !source->d->queuedUserInputEvents.isEmpty()) { - // process a pending user input event - event = source->d->queuedUserInputEvents.takeFirst(); - } else if (XEventsQueued(X11->display, QueuedAlready)) { - // process events from the X server - XNextEvent(X11->display, &event); - - if (source->flags & QEventLoop::ExcludeUserInputEvents) { - // queue user input events - switch (event.type) { - case ButtonPress: - case ButtonRelease: - case MotionNotify: - case XKeyPress: - case XKeyRelease: - case EnterNotify: - case LeaveNotify: - source->d->queuedUserInputEvents.append(event); - continue; - - case ClientMessage: - // only keep the wm_take_focus and - // _qt_scrolldone protocols, queue all other - // client messages - if (event.xclient.format == 32) { - if (event.xclient.message_type == ATOM(WM_PROTOCOLS) && - (Atom) event.xclient.data.l[0] == ATOM(WM_TAKE_FOCUS)) { - break; - } else if (event.xclient.message_type == ATOM(_QT_SCROLL_DONE)) { - break; - } - } - source->d->queuedUserInputEvents.append(event); - continue; - - default: - break; - } - } - } else { - // no event to process - break; - } - - // send through event filter - if (source->q->filterEvent(&event)) - continue; - - if (qApp->x11ProcessEvent(&event) == 1) - return true; - - if (event.xany.serial >= marker) - goto out; - } while (XEventsQueued(X11->display, QueuedAfterFlush)); - - out: - - source->d->runTimersOnceWithNormalPriority(); - - if (callback) - callback(user_data); - return true; -} - -static GSourceFuncs x11EventSourceFuncs = { - x11EventSourcePrepare, - x11EventSourceCheck, - x11EventSourceDispatch, - NULL, - NULL, - NULL -}; - -QGuiEventDispatcherGlibPrivate::QGuiEventDispatcherGlibPrivate() -{ - x11EventSource = reinterpret_cast<GX11EventSource *>(g_source_new(&x11EventSourceFuncs, - sizeof(GX11EventSource))); - g_source_set_can_recurse(&x11EventSource->source, true); - - memset(&x11EventSource->pollfd, 0, sizeof(GPollFD)); - x11EventSource->flags = QEventLoop::AllEvents; - x11EventSource->q = 0; - x11EventSource->d = 0; - - g_source_attach(&x11EventSource->source, mainContext); -} - -QGuiEventDispatcherGlib::QGuiEventDispatcherGlib(QObject *parent) - : QEventDispatcherGlib(*new QGuiEventDispatcherGlibPrivate, parent) -{ -} - -QGuiEventDispatcherGlib::~QGuiEventDispatcherGlib() -{ - Q_D(QGuiEventDispatcherGlib); - - g_source_remove_poll(&d->x11EventSource->source, &d->x11EventSource->pollfd); - g_source_destroy(&d->x11EventSource->source); - d->x11EventSource = 0; -} - -bool QGuiEventDispatcherGlib::processEvents(QEventLoop::ProcessEventsFlags flags) -{ - Q_D(QGuiEventDispatcherGlib); - QEventLoop::ProcessEventsFlags saved_flags = d->x11EventSource->flags; - d->x11EventSource->flags = flags; - bool returnValue = QEventDispatcherGlib::processEvents(flags); - d->x11EventSource->flags = saved_flags; - return returnValue; -} - -void QGuiEventDispatcherGlib::startingUp() -{ - Q_D(QGuiEventDispatcherGlib); - d->x11EventSource->pollfd.fd = XConnectionNumber(X11->display); - d->x11EventSource->pollfd.events = G_IO_IN | G_IO_HUP | G_IO_ERR; - d->x11EventSource->q = this; - d->x11EventSource->d = d; - g_source_add_poll(&d->x11EventSource->source, &d->x11EventSource->pollfd); -} - -void QGuiEventDispatcherGlib::flush() -{ - XFlush(X11->display); -} - -QT_END_NAMESPACE |