kwin/window_property_notify_x11_...

41 lines
1.2 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2017 Martin Flöser <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "window_property_notify_x11_filter.h"
#include "x11client.h"
#include "effects.h"
#include "unmanaged.h"
#include "workspace.h"
namespace KWin
{
WindowPropertyNotifyX11Filter::WindowPropertyNotifyX11Filter(EffectsHandlerImpl *effects)
: X11EventFilter(QVector<int>{XCB_PROPERTY_NOTIFY})
, m_effects(effects)
{
}
bool WindowPropertyNotifyX11Filter::event(xcb_generic_event_t *event)
{
const auto *pe = reinterpret_cast<xcb_property_notify_event_t*>(event);
if (!m_effects->isPropertyTypeRegistered(pe->atom)) {
return false;
}
if (pe->window == kwinApp()->x11RootWindow()) {
emit m_effects->propertyNotify(nullptr, pe->atom);
} else if (const auto c = workspace()->findClient(Predicate::WindowMatch, pe->window)) {
emit m_effects->propertyNotify(c->effectWindow(), pe->atom);
} else if (const auto c = workspace()->findUnmanaged(pe->window)) {
emit m_effects->propertyNotify(c->effectWindow(), pe->atom);
}
return false;
}
}