kwin/wayland_client/seat.cpp
Martin Gräßlin 46f2b252d8 [kwin_wayland] Create dedicated classes for Seat, Keyboard and Pointer
Split out from wayland_backend. So far no unit test as there is no proper
way to simulate input events.
2014-08-27 08:57:06 +02:00

167 lines
3.6 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2014 Martin Gräßlin <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 "seat.h"
#include "keyboard.h"
#include "pointer.h"
namespace KWin
{
namespace Wayland
{
const wl_seat_listener Seat::s_listener = {
Seat::capabilitiesCallback,
Seat::nameCallback
};
Seat::Seat(QObject *parent)
: QObject(parent)
, m_seat(nullptr)
, m_capabilityKeyboard(false)
, m_capabilityPointer(false)
, m_capabilityTouch(false)
{
}
Seat::~Seat()
{
release();
}
void Seat::release()
{
if (!m_seat) {
return;
}
wl_seat_destroy(m_seat);
m_seat = nullptr;
resetSeat();
}
void Seat::destroy()
{
if (!m_seat) {
return;
}
free(m_seat);
m_seat = nullptr;
resetSeat();
}
void Seat::resetSeat()
{
setHasKeyboard(false);
setHasPointer(false);
setHasTouch(false);
setName(QString());
}
void Seat::setHasKeyboard(bool has)
{
if (m_capabilityKeyboard == has) {
return;
}
m_capabilityKeyboard = has;
emit hasKeyboardChanged(m_capabilityKeyboard);
}
void Seat::setHasPointer(bool has)
{
if (m_capabilityPointer == has) {
return;
}
m_capabilityPointer = has;
emit hasPointerChanged(m_capabilityPointer);
}
void Seat::setHasTouch(bool has)
{
if (m_capabilityTouch == has) {
return;
}
m_capabilityTouch = has;
emit hasTouchChanged(m_capabilityTouch);
}
void Seat::setup(wl_seat *seat)
{
Q_ASSERT(seat);
Q_ASSERT(!m_seat);
m_seat = seat;
wl_seat_add_listener(m_seat, &Seat::s_listener, this);
}
void Seat::capabilitiesCallback(void *data, wl_seat *seat, uint32_t capabilities)
{
Seat *s = reinterpret_cast<Seat*>(data);
Q_ASSERT(s->m_seat == seat);
s->capabilitiesChanged(capabilities);
}
void Seat::nameCallback(void *data, wl_seat *seat, const char *name)
{
Seat *s = reinterpret_cast<Seat*>(data);
Q_ASSERT(s->m_seat == seat);
s->setName(QString::fromUtf8(name));
}
void Seat::capabilitiesChanged(uint32_t capabilities)
{
setHasKeyboard(capabilities & WL_SEAT_CAPABILITY_KEYBOARD);
setHasPointer(capabilities & WL_SEAT_CAPABILITY_POINTER);
setHasTouch(capabilities & WL_SEAT_CAPABILITY_TOUCH);
}
Keyboard *Seat::createKeyboard(QObject *parent)
{
Q_ASSERT(isValid());
Q_ASSERT(m_capabilityKeyboard);
Keyboard *k = new Keyboard(parent);
k->setup(wl_seat_get_keyboard(m_seat));
return k;
}
Pointer *Seat::createPointer(QObject *parent)
{
Q_ASSERT(isValid());
Q_ASSERT(m_capabilityPointer);
Pointer *p = new Pointer(parent);
p->setup(wl_seat_get_pointer(m_seat));
return p;
}
wl_touch *Seat::createTouch()
{
Q_ASSERT(isValid());
Q_ASSERT(m_capabilityTouch);
return wl_seat_get_touch(m_seat);
}
void Seat::setName(const QString &name)
{
if (m_name == name) {
return;
}
m_name = name;
emit nameChanged(m_name);
}
}
}