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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** 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 |
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| ****************************************************************************/ |
| |
| #include "qeventdispatcher_glib_p.h" |
| |
| #include "qguiapplication.h" |
| |
| #include "qplatformdefs.h" |
| |
| #include <glib.h> |
| #include "private/qguiapplication_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct GUserEventSource |
| { |
| GSource source; |
| QPAEventDispatcherGlib *q; |
| QPAEventDispatcherGlibPrivate *d; |
| }; |
| |
| static gboolean userEventSourcePrepare(GSource *source, gint *timeout) |
| { |
| Q_UNUSED(timeout) |
| GUserEventSource *userEventSource = reinterpret_cast<GUserEventSource *>(source); |
| return userEventSource->d->wakeUpCalled; |
| } |
| |
| static gboolean userEventSourceCheck(GSource *source) |
| { |
| return userEventSourcePrepare(source, 0); |
| } |
| |
| static gboolean userEventSourceDispatch(GSource *source, GSourceFunc, gpointer) |
| { |
| GUserEventSource *userEventSource = reinterpret_cast<GUserEventSource *>(source); |
| QPAEventDispatcherGlib *dispatcher = userEventSource->q; |
| QWindowSystemInterface::sendWindowSystemEvents(dispatcher->m_flags); |
| return true; |
| } |
| |
| static GSourceFuncs userEventSourceFuncs = { |
| userEventSourcePrepare, |
| userEventSourceCheck, |
| userEventSourceDispatch, |
| NULL, |
| NULL, |
| NULL |
| }; |
| |
| QPAEventDispatcherGlibPrivate::QPAEventDispatcherGlibPrivate(GMainContext *context) |
| : QEventDispatcherGlibPrivate(context) |
| { |
| Q_Q(QPAEventDispatcherGlib); |
| userEventSource = reinterpret_cast<GUserEventSource *>(g_source_new(&userEventSourceFuncs, |
| sizeof(GUserEventSource))); |
| userEventSource->q = q; |
| userEventSource->d = this; |
| g_source_set_can_recurse(&userEventSource->source, true); |
| g_source_attach(&userEventSource->source, mainContext); |
| } |
| |
| |
| QPAEventDispatcherGlib::QPAEventDispatcherGlib(QObject *parent) |
| : QEventDispatcherGlib(*new QPAEventDispatcherGlibPrivate, parent) |
| , m_flags(QEventLoop::AllEvents) |
| { |
| Q_D(QPAEventDispatcherGlib); |
| d->userEventSource->q = this; |
| } |
| |
| QPAEventDispatcherGlib::~QPAEventDispatcherGlib() |
| { |
| Q_D(QPAEventDispatcherGlib); |
| |
| g_source_destroy(&d->userEventSource->source); |
| g_source_unref(&d->userEventSource->source); |
| d->userEventSource = 0; |
| } |
| |
| bool QPAEventDispatcherGlib::processEvents(QEventLoop::ProcessEventsFlags flags) |
| { |
| m_flags = flags; |
| return QEventDispatcherGlib::processEvents(m_flags); |
| } |
| |
| QT_END_NAMESPACE |