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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:critical reason:network-protocol
#include "qwldatadevice_p.h"
#include "qwldatasource_p.h"
#include "qwldataoffer_p.h"
#include "qwaylandsurface_p.h"
#include "qwldatadevicemanager_p.h"
#if QT_CONFIG(draganddrop)
#include "qwaylanddrag.h"
#endif
#include "qwaylandview.h"
#include <QtWaylandCompositor/QWaylandClient>
#include <QtWaylandCompositor/private/qwaylandcompositor_p.h>
#include <QtWaylandCompositor/private/qwaylandseat_p.h>
#include <QtWaylandCompositor/private/qwaylandpointer_p.h>
#include <QtCore/QPointF>
#include <QDebug>
QT_BEGIN_NAMESPACE
namespace QtWayland {
DataDevice::DataDevice(QWaylandSeat *seat)
: m_compositor(seat->compositor())
, m_seat(seat)
{
}
void DataDevice::setFocus(QWaylandClient *focusClient)
{
if (!focusClient)
return;
Resource *resource = resourceMap().value(focusClient->client());
if (!resource)
return;
if (m_selectionSource) {
DataOffer *offer = new DataOffer(m_selectionSource, resource);
send_selection(resource->handle, offer->resource()->handle);
}
}
void DataDevice::sourceDestroyed(DataSource *source)
{
if (m_selectionSource == source)
m_selectionSource = nullptr;
if (m_dragDataSource == source)
m_dragDataSource = nullptr;
}
#if QT_CONFIG(draganddrop)
void DataDevice::setDragFocus(QWaylandSurface *focus, const QPointF &localPosition)
{
if (m_dragFocusResource) {
send_leave(m_dragFocusResource->handle);
m_dragFocus = nullptr;
m_dragFocusResource = nullptr;
}
if (!focus)
return;
if (!m_dragDataSource && m_dragClient != focus->waylandClient())
return;
Resource *resource = resourceMap().value(focus->waylandClient());
if (!resource)
return;
uint32_t serial = m_compositor->nextSerial();
DataOffer *offer = m_dragDataSource ? new DataOffer(m_dragDataSource, resource) : nullptr;
if (m_dragDataSource && !offer)
return;
if (offer) {
send_enter(resource->handle, serial, focus->resource(),
wl_fixed_from_double(localPosition.x()), wl_fixed_from_double(localPosition.y()),
offer->resource()->handle);
}
m_dragFocus = focus;
m_dragFocusResource = resource;
}
QWaylandSurface *DataDevice::dragIcon() const
{
return m_dragIcon;
}
QWaylandSurface *DataDevice::dragOrigin() const
{
return m_dragOrigin;
}
void DataDevice::dragMove(QWaylandSurface *target, const QPointF &pos)
{
if (target != m_dragFocus)
setDragFocus(target, pos);
if (!target || !m_dragFocusResource)
return;
uint time = m_compositor->currentTimeMsecs(); //### should be serial
send_motion(m_dragFocusResource->handle, time,
wl_fixed_from_double(pos.x()), wl_fixed_from_double(pos.y()));
}
void DataDevice::drop()
{
if (m_dragFocusResource) {
send_drop(m_dragFocusResource->handle);
setDragFocus(nullptr, QPoint());
} else if (m_dragDataSource) {
m_dragDataSource->cancel();
}
m_dragOrigin = nullptr;
setDragIcon(nullptr);
}
void DataDevice::cancelDrag()
{
setDragFocus(nullptr, QPoint());
}
void DataDevice::data_device_start_drag(Resource *resource, struct ::wl_resource *source, struct ::wl_resource *origin, struct ::wl_resource *icon, uint32_t serial)
{
m_dragClient = resource->client();
m_dragDataSource = source ? DataSource::fromResource(source) : nullptr;
if (m_dragDataSource)
m_dragDataSource->setDevice(this);
m_dragOrigin = QWaylandSurface::fromResource(origin);
QWaylandDrag *drag = m_seat->drag();
setDragIcon(icon ? QWaylandSurface::fromResource(icon) : nullptr);
Q_EMIT drag->dragStarted();
Q_EMIT m_dragOrigin->dragStarted(drag);
Q_UNUSED(serial);
//### need to verify that we have an implicit grab with this serial
}
void DataDevice::data_device_destroy_resource(Resource *resource)
{
if (m_dragFocusResource == resource) {
m_dragFocusResource = nullptr;
m_dragFocus = nullptr;
}
}
void DataDevice::setDragIcon(QWaylandSurface *icon)
{
if (icon == m_dragIcon)
return;
m_dragIcon = icon;
Q_EMIT m_seat->drag()->iconChanged();
}
#endif // QT_CONFIG(draganddrop)
void DataDevice::data_device_set_selection(Resource *, struct ::wl_resource *source, uint32_t serial)
{
Q_UNUSED(serial);
DataSource *dataSource = source ? DataSource::fromResource(source) : nullptr;
if (m_selectionSource)
m_selectionSource->cancel();
m_selectionSource = dataSource;
QWaylandCompositorPrivate::get(m_compositor)->dataDeviceManager()->setCurrentSelectionSource(m_selectionSource);
if (m_selectionSource)
m_selectionSource->setDevice(this);
QWaylandClient *focusClient = m_seat->keyboard()->focusClient();
Resource *resource = focusClient ? resourceMap().value(focusClient->client()) : 0;
if (resource && m_selectionSource) {
DataOffer *offer = new DataOffer(m_selectionSource, resource);
send_selection(resource->handle, offer->resource()->handle);
} else if (resource) {
send_selection(resource->handle, nullptr);
}
}
}
QT_END_NAMESPACE