165 lines
3.9 KiB
C++
165 lines
3.9 KiB
C++
/*
|
|
SPDX-FileCopyrightText: 2018 Roman Gilg <subdiff@gmail.com>
|
|
SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org>
|
|
|
|
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
|
|
*/
|
|
|
|
#include "pointerlockerwayland.h"
|
|
|
|
#include <QDebug>
|
|
|
|
#include "qwayland-pointer-constraints-unstable-v1.h"
|
|
#include <QtWaylandClient/qwaylandclientextension.h>
|
|
#include <qpa/qplatformnativeinterface.h>
|
|
|
|
#include <QGuiApplication>
|
|
|
|
class PointerConstraints : public QWaylandClientExtensionTemplate<PointerConstraints>, public QtWayland::zwp_pointer_constraints_v1
|
|
{
|
|
public:
|
|
PointerConstraints()
|
|
: QWaylandClientExtensionTemplate<PointerConstraints>(1)
|
|
{
|
|
}
|
|
};
|
|
|
|
class LockedPointer : public QObject, public QtWayland::zwp_locked_pointer_v1
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
LockedPointer(struct ::zwp_locked_pointer_v1 *object, QObject *parent)
|
|
: QObject(parent)
|
|
, zwp_locked_pointer_v1(object)
|
|
{
|
|
}
|
|
|
|
Q_SIGNAL void locked();
|
|
|
|
Q_SIGNAL void unlocked();
|
|
|
|
private:
|
|
void zwp_locked_pointer_v1_locked() override
|
|
{
|
|
Q_EMIT locked();
|
|
}
|
|
|
|
void zwp_locked_pointer_v1_unlocked() override
|
|
{
|
|
Q_EMIT unlocked();
|
|
}
|
|
};
|
|
|
|
PointerLockerWayland::PointerLockerWayland(QObject *parent)
|
|
: AbstractPointerLocker(parent)
|
|
{
|
|
m_pointerConstraints = new PointerConstraints;
|
|
}
|
|
|
|
PointerLockerWayland::~PointerLockerWayland()
|
|
{
|
|
delete m_pointerConstraints;
|
|
}
|
|
|
|
bool PointerLockerWayland::isLockEffective() const
|
|
{
|
|
return m_lockedPointer;
|
|
}
|
|
|
|
wl_pointer *PointerLockerWayland::getPointer()
|
|
{
|
|
QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
|
|
if (!native) {
|
|
return nullptr;
|
|
}
|
|
|
|
window()->create();
|
|
|
|
return reinterpret_cast<wl_pointer *>(native->nativeResourceForIntegration(QByteArrayLiteral("wl_pointer")));
|
|
}
|
|
|
|
void PointerLockerWayland::enforceLock()
|
|
{
|
|
if (!m_isLocked) {
|
|
return;
|
|
}
|
|
|
|
wl_surface *wlSurface = [](QWindow *window) -> wl_surface * {
|
|
if (!window) {
|
|
return nullptr;
|
|
}
|
|
|
|
QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
|
|
if (!native) {
|
|
return nullptr;
|
|
}
|
|
window->create();
|
|
return reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window));
|
|
}(m_window);
|
|
|
|
m_lockedPointer =
|
|
new LockedPointer(m_pointerConstraints->lock_pointer(wlSurface, getPointer(), nullptr, PointerConstraints::lifetime::lifetime_persistent), this);
|
|
|
|
if (!m_lockedPointer) {
|
|
qDebug() << "ERROR when receiving locked pointer!";
|
|
return;
|
|
}
|
|
|
|
connect(m_lockedPointer, &LockedPointer::locked, this, [this] {
|
|
Q_EMIT lockEffectiveChanged(true);
|
|
});
|
|
connect(m_lockedPointer, &LockedPointer::unlocked, this, [this] {
|
|
Q_EMIT lockEffectiveChanged(false);
|
|
});
|
|
}
|
|
|
|
void PointerLockerWayland::setLocked(bool lock)
|
|
{
|
|
if (m_isLocked == lock) {
|
|
return;
|
|
}
|
|
|
|
if (!isSupported()) {
|
|
qWarning() << "Locking before having our interfaces announced";
|
|
return;
|
|
}
|
|
|
|
m_isLocked = lock;
|
|
if (lock) {
|
|
enforceLock();
|
|
} else {
|
|
cleanupLock();
|
|
}
|
|
Q_EMIT lockedChanged(lock);
|
|
}
|
|
|
|
void PointerLockerWayland::cleanupLock()
|
|
{
|
|
if (!m_lockedPointer) {
|
|
return;
|
|
}
|
|
m_lockedPointer->destroy();
|
|
m_lockedPointer->deleteLater();
|
|
m_lockedPointer = nullptr;
|
|
Q_EMIT lockEffectiveChanged(false);
|
|
}
|
|
|
|
void PointerLockerWayland::setWindow(QWindow *window)
|
|
{
|
|
if (m_window == window) {
|
|
return;
|
|
}
|
|
cleanupLock();
|
|
|
|
if (m_window) {
|
|
disconnect(m_window, &QWindow::visibleChanged, this, &PointerLockerWayland::enforceLock);
|
|
}
|
|
AbstractPointerLocker::setWindow(window);
|
|
connect(m_window, &QWindow::visibleChanged, this, &PointerLockerWayland::enforceLock);
|
|
|
|
if (m_isLocked) {
|
|
enforceLock();
|
|
}
|
|
}
|
|
|
|
#include "pointerlockerwayland.moc"
|