kwin/src/dpmsinputeventfilter.cpp

107 lines
2.8 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "dpmsinputeventfilter.h"
#include "core/output.h"
#include "input_event.h"
#include "main.h"
#include "wayland/seat_interface.h"
#include "wayland_server.h"
#include "workspace.h"
#include <QGuiApplication>
#include <QKeyEvent>
namespace KWin
{
DpmsInputEventFilter::DpmsInputEventFilter()
: InputEventFilter()
{
KSharedConfig::Ptr kwinSettings = kwinApp()->config();
m_enableDoubleTap = kwinSettings->group("Wayland").readEntry<bool>("DoubleTapWakeup", true);
}
DpmsInputEventFilter::~DpmsInputEventFilter() = default;
bool DpmsInputEventFilter::pointerEvent(MouseEvent *event, quint32 nativeButton)
{
notify();
return true;
}
bool DpmsInputEventFilter::wheelEvent(WheelEvent *event)
{
notify();
return true;
}
bool DpmsInputEventFilter::keyEvent(KeyEvent *event)
{
if (event->type() == QKeyEvent::KeyPress) {
notify();
}
return true;
}
bool DpmsInputEventFilter::touchDown(qint32 id, const QPointF &pos, std::chrono::microseconds time)
{
if (m_enableDoubleTap) {
if (m_touchPoints.isEmpty()) {
if (!m_doubleTapTimer.isValid()) {
// this is the first tap
m_doubleTapTimer.start();
} else {
if (m_doubleTapTimer.elapsed() < qApp->doubleClickInterval()) {
m_secondTap = true;
} else {
// took too long. Let's consider it a new click
m_doubleTapTimer.restart();
}
}
} else {
// not a double tap
m_doubleTapTimer.invalidate();
m_secondTap = false;
}
m_touchPoints << id;
}
return true;
}
bool DpmsInputEventFilter::touchUp(qint32 id, std::chrono::microseconds time)
{
if (m_enableDoubleTap) {
m_touchPoints.removeAll(id);
if (m_touchPoints.isEmpty() && m_doubleTapTimer.isValid() && m_secondTap) {
if (m_doubleTapTimer.elapsed() < qApp->doubleClickInterval()) {
waylandServer()->seat()->setTimestamp(std::chrono::duration_cast<std::chrono::milliseconds>(time));
notify();
}
m_doubleTapTimer.invalidate();
m_secondTap = false;
}
}
return true;
}
bool DpmsInputEventFilter::touchMotion(qint32 id, const QPointF &pos, std::chrono::microseconds time)
{
// ignore the event
return true;
}
void DpmsInputEventFilter::notify()
{
const QList<Output *> outputs = workspace()->outputs();
for (Output *output : outputs) {
output->setDpmsMode(Output::DpmsMode::On);
}
}
}