kwin/syncalarmx11filter.cpp
Vlad Zahorodnii a9d2bad007 [x11] Enable synchronized resizing for Xwayland clients
Given that we now query the current X11 time stamp on Wayland, we can
enable synchronized resizing for Xwayland clients.

Differential Revision: https://phabricator.kde.org/D29250
2020-04-29 16:37:23 +03:00

47 lines
1.6 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2017 Martin Flöser <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "syncalarmx11filter.h"
#include "workspace.h"
#include "x11client.h"
#include "xcbutils.h"
namespace KWin
{
SyncAlarmX11Filter::SyncAlarmX11Filter()
: X11EventFilter(QVector<int>{Xcb::Extensions::self()->syncAlarmNotifyEvent()})
{
}
bool SyncAlarmX11Filter::event(xcb_generic_event_t *event)
{
auto alarmEvent = reinterpret_cast<xcb_sync_alarm_notify_event_t *>(event);
auto client = workspace()->findClient([alarmEvent](const X11Client *client) {
const auto syncRequest = client->syncRequest();
return alarmEvent->alarm == syncRequest.alarm && alarmEvent->counter_value.hi == syncRequest.value.hi && alarmEvent->counter_value.lo == syncRequest.value.lo;
});
if (client) {
client->handleSync();
}
return false;
}
} // namespace KWin