kwin/src/keyboard_repeat.cpp

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004
0005     SPDX-FileCopyrightText: 2016, 2017 Martin Gräßlin <mgraesslin@kde.org>
0006
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 #include "keyboard_repeat.h"
0010 #include "input_event.h"
0011 #include "keyboard_input.h"
0012 #include "wayland/keyboard.h"
0013 #include "wayland/seat.h"
0014 #include "wayland_server.h"
0015 #include "xkb.h"
0016
0017 #include <QTimer>
0018
0019 namespace KWin
0020 {
0021
0022 KeyboardRepeat::KeyboardRepeat(Xkb *xkb)
0023     : QObject()
0024     , m_timer(new QTimer(this))
0025     , m_xkb(xkb)
0026 {
0027     connect(m_timer, &QTimer::timeout, this, &KeyboardRepeat::handleKeyRepeat);
0028 }
0029
0030 KeyboardRepeat::~KeyboardRepeat() = default;
0031
0032 void KeyboardRepeat::handleKeyRepeat()
0033 {
0034     // TODO: don't depend on WaylandServer
0035     if (waylandServer()->seat()->keyboard()->keyRepeatRate() != 0) {
0036         m_timer->setInterval(1000 / waylandServer()->seat()->keyboard()->keyRepeatRate());
0037     }
0038     // TODO: better time
0039     Q_EMIT keyRepeat(m_key, m_time);
0040 }
0041
0042 void KeyboardRepeat::keyEvent(KeyEvent *event)
0043 {
0044     if (event->isAutoRepeat()) {
0045         return;
0046     }
0047     const quint32 key = event->nativeScanCode();
0048     if (event->type() == QEvent::KeyPress) {
0049         // TODO: don't get these values from WaylandServer
0050         if (m_xkb->shouldKeyRepeat(key) && waylandServer()->seat()->keyboard()->keyRepeatDelay() != 0) {
0051             m_timer->setInterval(waylandServer()->seat()->keyboard()->keyRepeatDelay());
0052             m_key = key;
0053             m_time = event->timestamp();
0054             m_timer->start();
0055         }
0056     } else if (event->type() == QEvent::KeyRelease) {
0057         if (key == m_key) {
0058             m_timer->stop();
0059         }
0060     }
0061 }
0062
0063 }
0064
0065 #include "moc_keyboard_repeat.cpp"