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/****************************************************************************
**
** Copyright (C) 2017 ITAGE Corporation, author: <yusuke.binsaki@itage.co.jp>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwaylandivishellintegration.h"
#include <QtCore/qsize.h>
#include <QtCore/qdebug.h>
#include <QtWaylandClient/private/qwaylanddisplay_p.h>
#include <QtWaylandClient/private/qwaylandwindow_p.h>
#include <QtWaylandClient/private/qwaylandabstractdecoration_p.h>
#include "qwaylandivisurface_p.h"
#include <unistd.h>
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
QWaylandIviShellIntegration::QWaylandIviShellIntegration()
: m_iviApplication(Q_NULLPTR)
, m_iviController(Q_NULLPTR)
, m_lastSurfaceId(0)
, m_surfaceNumber(0)
, m_useEnvSurfaceId(false)
, m_mutex(QMutex::Recursive)
{
}
QWaylandIviShellIntegration::~QWaylandIviShellIntegration()
{
delete m_iviApplication;
delete m_iviController;
}
bool QWaylandIviShellIntegration::initialize(QWaylandDisplay *display)
{
QWaylandShellIntegration::initialize(display);
display->addRegistryListener(registryIvi, this);
return true;
}
/* get unique id
* pattern1:
* When set QT_IVI_SURFACE_ID, We use it as ID.
* Next ID is increment.
* pattern2:
* When not set QT_IVI_SURFACE_ID, We use process ID and unused bit.
* process ID maximum is 2^22. Unused bit is 23 to 32 bit.
* Therefor, We use 23 to 32 bit. This do not overlap with other clients.
* Next ID is increment of 23 to 32 bit.
* +------------+---------------------------+
* |31 23|22 0|
* +------------+---------------------------+
* |0000 0000 00|00 0000 0000 0000 0000 0000|
* |<- ID ->|<- process ID ->|
* +------------+---------------------------+
*/
uint32_t QWaylandIviShellIntegration::getNextUniqueSurfaceId()
{
const uint32_t PID_MAX_EXPONENTIATION = 22; // 22 bit shift operation
const uint32_t ID_LIMIT = 1 << (32 - PID_MAX_EXPONENTIATION); // 10 bit is unique id
QMutexLocker locker(&m_mutex);
if (m_lastSurfaceId == 0) {
QByteArray env = qgetenv("QT_IVI_SURFACE_ID");
bool ok;
m_lastSurfaceId = env.toUInt(&ok, 10);
if (ok)
m_useEnvSurfaceId = true;
else
m_lastSurfaceId = getpid();
return m_lastSurfaceId;
}
if (m_useEnvSurfaceId) {
m_lastSurfaceId++;
} else {
m_surfaceNumber++;
if (m_surfaceNumber >= ID_LIMIT) {
qWarning("IVI surface id counter overflow\n");
return 0;
}
m_lastSurfaceId += (m_surfaceNumber << PID_MAX_EXPONENTIATION);
}
return m_lastSurfaceId;
}
QWaylandShellSurface *QWaylandIviShellIntegration::createShellSurface(QWaylandWindow *window)
{
if (!m_iviApplication)
return Q_NULLPTR;
uint32_t surfaceId = getNextUniqueSurfaceId();
if (surfaceId == 0)
return Q_NULLPTR;
struct ivi_surface *surface = m_iviApplication->surface_create(surfaceId, window->object());
if (!m_iviController)
return new QWaylandIviSurface(surface, window);
struct ::ivi_controller_surface *controller = m_iviController->ivi_controller::surface_create(surfaceId);
QWaylandIviSurface *iviSurface = new QWaylandIviSurface(surface, window, controller);
if (window->window()->type() == Qt::Popup) {
QPoint transientPos = window->geometry().topLeft(); // this is absolute
QWaylandWindow *parent = window->transientParent();
if (parent && parent->decoration()) {
transientPos -= parent->geometry().topLeft();
transientPos.setX(transientPos.x() + parent->decoration()->margins().left());
transientPos.setY(transientPos.y() + parent->decoration()->margins().top());
}
QSize size = window->window()->geometry().size();
iviSurface->ivi_controller_surface::set_destination_rectangle(transientPos.x(),
transientPos.y(),
size.width(),
size.height());
}
return iviSurface;
}
void QWaylandIviShellIntegration::registryIvi(void *data,
struct wl_registry *registry,
uint32_t id,
const QString &interface,
uint32_t version)
{
QWaylandIviShellIntegration *shell = static_cast<QWaylandIviShellIntegration *>(data);
if (interface == QStringLiteral("ivi_application"))
shell->m_iviApplication = new QtWayland::ivi_application(registry, id, version);
if (interface == QStringLiteral("ivi_controller"))
shell->m_iviController = new QtWayland::ivi_controller(registry, id, version);
}
}
QT_END_NAMESPACE
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