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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#include "qwaylandxdgshellintegration_p.h"
#include <QtWaylandCompositor/QWaylandXdgSurface>
#include <QtWaylandCompositor/QWaylandCompositor>
#include <QtWaylandCompositor/QWaylandSeat>
QT_BEGIN_NAMESPACE
namespace QtWayland {
static void handlePopupCreated(QWaylandQuickShellSurfaceItem *parentItem, QWaylandXdgPopup *popup)
{
if (parentItem->shellSurface() == popup->parentXdgSurface())
QWaylandQuickShellSurfaceItemPrivate::get(parentItem)->maybeCreateAutoPopup(popup->xdgSurface());
}
XdgToplevelIntegration::XdgToplevelIntegration(QWaylandQuickShellSurfaceItem *item)
: QWaylandQuickShellIntegration(item)
, m_item(item)
, m_xdgSurface(qobject_cast<QWaylandXdgSurface *>(item->shellSurface()))
, m_toplevel(m_xdgSurface->toplevel())
, grabberState(GrabberState::Default)
{
Q_ASSERT(m_toplevel);
m_item->setSurface(m_xdgSurface->surface());
connect(m_toplevel, &QWaylandXdgToplevel::startMove, this, &XdgToplevelIntegration::handleStartMove);
connect(m_toplevel, &QWaylandXdgToplevel::startResize, this, &XdgToplevelIntegration::handleStartResize);
connect(m_toplevel, &QWaylandXdgToplevel::setMaximized, this, &XdgToplevelIntegration::handleSetMaximized);
connect(m_toplevel, &QWaylandXdgToplevel::unsetMaximized, this, &XdgToplevelIntegration::handleUnsetMaximized);
connect(m_toplevel, &QWaylandXdgToplevel::maximizedChanged, this, &XdgToplevelIntegration::handleMaximizedChanged);
connect(m_toplevel, &QWaylandXdgToplevel::setFullscreen, this, &XdgToplevelIntegration::handleSetFullscreen);
connect(m_toplevel, &QWaylandXdgToplevel::unsetFullscreen, this, &XdgToplevelIntegration::handleUnsetFullscreen);
connect(m_toplevel, &QWaylandXdgToplevel::fullscreenChanged, this, &XdgToplevelIntegration::handleFullscreenChanged);
connect(m_toplevel, &QWaylandXdgToplevel::activatedChanged, this, &XdgToplevelIntegration::handleActivatedChanged);
connect(m_xdgSurface->shell(), &QWaylandXdgShell::popupCreated, this, [item](QWaylandXdgPopup *popup, QWaylandXdgSurface *){
handlePopupCreated(item, popup);
});
connect(m_xdgSurface->surface(), &QWaylandSurface::destinationSizeChanged, this, &XdgToplevelIntegration::handleSurfaceSizeChanged);
connect(m_toplevel, &QObject::destroyed, this, &XdgToplevelIntegration::handleToplevelDestroyed);
}
bool XdgToplevelIntegration::eventFilter(QObject *object, QEvent *event)
{
if (event->type() == QEvent::MouseMove) {
QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
return filterMouseMoveEvent(mouseEvent);
} else if (event->type() == QEvent::MouseButtonRelease || event->type() == QEvent::TouchEnd || event->type() == QEvent::TouchCancel) {
return filterPointerReleaseEvent();
} else if (event->type() == QEvent::TouchUpdate) {
QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
return filterTouchUpdateEvent(touchEvent);
}
return QWaylandQuickShellIntegration::eventFilter(object, event);
}
bool XdgToplevelIntegration::filterPointerMoveEvent(const QPointF &scenePosition)
{
if (grabberState == GrabberState::Resize) {
if (!resizeState.initialized) {
resizeState.initialMousePos = scenePosition;
resizeState.initialized = true;
return true;
}
QPointF delta = m_item->mapToSurface(scenePosition - resizeState.initialMousePos);
QSize newSize = m_toplevel->sizeForResize(resizeState.initialWindowSize, delta, resizeState.resizeEdges);
m_toplevel->sendResizing(newSize);
} else if (grabberState == GrabberState::Move) {
QQuickItem *moveItem = m_item->moveItem();
if (!moveState.initialized) {
moveState.initialOffset = moveItem->mapFromItem(nullptr, scenePosition);
moveState.initialized = true;
return true;
}
if (!moveItem->parentItem())
return true;
QPointF parentPos = moveItem->parentItem()->mapFromItem(nullptr, scenePosition);
moveItem->setPosition(parentPos - moveState.initialOffset);
}
return false;
}
bool XdgToplevelIntegration::filterTouchUpdateEvent(QTouchEvent *event)
{
if (event->pointCount() == 0)
return false;
Q_ASSERT(grabberState != GrabberState::Move || moveState.seat == m_item->compositor()->seatFor(event));
Q_ASSERT(grabberState != GrabberState::Resize || resizeState.seat == m_item->compositor()->seatFor(event));
QEventPoint point = event->points().first();
return filterPointerMoveEvent(point.scenePosition());
}
bool XdgToplevelIntegration::filterMouseMoveEvent(QMouseEvent *event)
{
Q_ASSERT(grabberState != GrabberState::Move || moveState.seat == m_item->compositor()->seatFor(event));
Q_ASSERT(grabberState != GrabberState::Resize || resizeState.seat == m_item->compositor()->seatFor(event));
return filterPointerMoveEvent(event->scenePosition());
}
bool XdgToplevelIntegration::filterPointerReleaseEvent()
{
if (grabberState != GrabberState::Default) {
grabberState = GrabberState::Default;
return true;
}
return false;
}
void XdgToplevelIntegration::handleStartMove(QWaylandSeat *seat)
{
grabberState = GrabberState::Move;
moveState.seat = seat;
moveState.initialized = false;
}
void XdgToplevelIntegration::handleStartResize(QWaylandSeat *seat, Qt::Edges edges)
{
grabberState = GrabberState::Resize;
resizeState.seat = seat;
resizeState.resizeEdges = edges;
resizeState.initialWindowSize = m_xdgSurface->windowGeometry().size();
resizeState.initialPosition = m_item->moveItem()->position();
resizeState.initialSurfaceSize = m_item->surface()->destinationSize();
resizeState.initialized = false;
}
void XdgToplevelIntegration::handleSetMaximized()
{
if (!m_item->view()->isPrimary())
return;
QList<QWaylandXdgToplevel::State> states = m_toplevel->states();
if (!states.contains(QWaylandXdgToplevel::State::FullscreenState) && !states.contains(QWaylandXdgToplevel::State::MaximizedState)) {
windowedGeometry.initialWindowSize = m_xdgSurface->windowGeometry().size();
windowedGeometry.initialPosition = m_item->moveItem()->position();
}
// Any prior output-resize handlers are irrelevant at this point.
disconnect(nonwindowedState.sizeChangedConnection);
nonwindowedState.output = m_item->view()->output();
nonwindowedState.sizeChangedConnection = connect(nonwindowedState.output, &QWaylandOutput::availableGeometryChanged, this, &XdgToplevelIntegration::handleMaximizedSizeChanged);
handleMaximizedSizeChanged();
}
void XdgToplevelIntegration::handleMaximizedSizeChanged()
{
// Insurance against handleToplevelDestroyed() not managing to disconnect this
// handler in time.
if (m_toplevel == nullptr)
return;
m_toplevel->sendMaximized(nonwindowedState.output->availableGeometry().size() / nonwindowedState.output->scaleFactor());
}
void XdgToplevelIntegration::handleUnsetMaximized()
{
if (!m_item->view()->isPrimary())
return;
// If no prior windowed size was recorded, send a 0x0 configure event
// to allow the client to choose its preferred size.
if (windowedGeometry.initialWindowSize.isValid())
m_toplevel->sendUnmaximized(windowedGeometry.initialWindowSize);
else
m_toplevel->sendUnmaximized();
}
void XdgToplevelIntegration::handleMaximizedChanged()
{
if (m_toplevel->maximized()) {
if (auto *output = m_item->view()->output()) {
m_item->moveItem()->setPosition(output->position() + output->availableGeometry().topLeft());
} else {
qCWarning(qLcWaylandCompositor) << "The view does not have a corresponding output,"
<< "ignoring maximized state";
}
} else {
m_item->moveItem()->setPosition(windowedGeometry.initialPosition);
}
}
void XdgToplevelIntegration::handleSetFullscreen()
{
if (!m_item->view()->isPrimary())
return;
QList<QWaylandXdgToplevel::State> states = m_toplevel->states();
if (!states.contains(QWaylandXdgToplevel::State::FullscreenState) && !states.contains(QWaylandXdgToplevel::State::MaximizedState)) {
windowedGeometry.initialWindowSize = m_xdgSurface->windowGeometry().size();
windowedGeometry.initialPosition = m_item->moveItem()->position();
}
// Any prior output-resize handlers are irrelevant at this point.
disconnect(nonwindowedState.sizeChangedConnection);
nonwindowedState.output = m_item->view()->output();
nonwindowedState.sizeChangedConnection = connect(nonwindowedState.output, &QWaylandOutput::geometryChanged, this, &XdgToplevelIntegration::handleFullscreenSizeChanged);
handleFullscreenSizeChanged();
}
void XdgToplevelIntegration::handleFullscreenSizeChanged()
{
// Insurance against handleToplevelDestroyed() not managing to disconnect this
// handler in time.
if (m_toplevel == nullptr)
return;
m_toplevel->sendFullscreen(nonwindowedState.output->geometry().size() / nonwindowedState.output->scaleFactor());
}
void XdgToplevelIntegration::handleUnsetFullscreen()
{
if (!m_item->view()->isPrimary())
return;
// If no prior windowed size was recorded, send a 0x0 configure event
// to allow the client to choose its preferred size.
if (windowedGeometry.initialWindowSize.isValid())
m_toplevel->sendUnmaximized(windowedGeometry.initialWindowSize);
else
m_toplevel->sendUnmaximized();
}
void XdgToplevelIntegration::handleFullscreenChanged()
{
if (m_toplevel->fullscreen()) {
if (auto *output = m_item->view()->output()) {
m_item->moveItem()->setPosition(output->position() + output->geometry().topLeft());
} else {
qCWarning(qLcWaylandCompositor) << "The view does not have a corresponding output,"
<< "ignoring fullscreen state";
}
} else {
m_item->moveItem()->setPosition(windowedGeometry.initialPosition);
}
}
void XdgToplevelIntegration::handleActivatedChanged()
{
if (m_toplevel->activated())
m_item->raise();
}
void XdgToplevelIntegration::handleSurfaceSizeChanged()
{
if (grabberState == GrabberState::Resize) {
qreal dx = 0;
qreal dy = 0;
if (resizeState.resizeEdges & Qt::TopEdge)
dy = resizeState.initialSurfaceSize.height() - m_item->surface()->destinationSize().height();
if (resizeState.resizeEdges & Qt::LeftEdge)
dx = resizeState.initialSurfaceSize.width() - m_item->surface()->destinationSize().width();
QPointF offset = m_item->mapFromSurface({dx, dy});
m_item->moveItem()->setPosition(resizeState.initialPosition + offset);
}
}
void XdgToplevelIntegration::handleToplevelDestroyed()
{
// Disarm any handlers that might fire on the now-stale toplevel pointer
nonwindowedState.output = nullptr;
disconnect(nonwindowedState.sizeChangedConnection);
}
XdgPopupIntegration::XdgPopupIntegration(QWaylandQuickShellSurfaceItem *item)
: m_item(item)
, m_xdgSurface(qobject_cast<QWaylandXdgSurface *>(item->shellSurface()))
, m_popup(m_xdgSurface->popup())
{
Q_ASSERT(m_popup);
m_item->setSurface(m_xdgSurface->surface());
handleGeometryChanged();
connect(m_popup, &QWaylandXdgPopup::configuredGeometryChanged, this, &XdgPopupIntegration::handleGeometryChanged);
connect(m_xdgSurface->shell(), &QWaylandXdgShell::popupCreated, this, [item](QWaylandXdgPopup *popup, QWaylandXdgSurface *){
handlePopupCreated(item, popup);
});
}
void XdgPopupIntegration::handleGeometryChanged()
{
if (m_item->view()->output()) {
const QPoint windowOffset = m_popup->parentXdgSurface()->windowGeometry().topLeft();
const QPoint surfacePosition = m_popup->unconstrainedPosition() + windowOffset;
const QPoint itemPosition = m_item->mapFromSurface(surfacePosition).toPoint();
//TODO: positioner size or other size...?
//TODO check positioner constraints etc... sliding, flipping
m_item->moveItem()->setPosition(itemPosition);
} else {
qWarning() << "XdgPopupIntegration popup item without output" << m_item;
}
}
}
QT_END_NAMESPACE
#include "moc_qwaylandxdgshellintegration_p.cpp"