kwin/internal_client.cpp

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2020-08-02 22:22:19 +00:00
/*
KWin - the KDE window manager
This file is part of the KDE project.
2020-08-02 22:22:19 +00:00
SPDX-FileCopyrightText: 2019 Martin Flöser <mgraesslin@kde.org>
SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
2020-08-02 22:22:19 +00:00
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "internal_client.h"
#include "decorations/decorationbridge.h"
#include "deleted.h"
#include "workspace.h"
#include <KDecoration2/Decoration>
#include <QOpenGLFramebufferObject>
#include <QWindow>
Q_DECLARE_METATYPE(NET::WindowType)
static const QByteArray s_skipClosePropertyName = QByteArrayLiteral("KWIN_SKIP_CLOSE_ANIMATION");
static const QByteArray s_shadowEnabledPropertyName = QByteArrayLiteral("kwin_shadow_enabled");
namespace KWin
{
InternalClient::InternalClient(QWindow *window)
: m_internalWindow(window)
, m_windowId(window->winId())
, m_internalWindowFlags(window->flags())
{
connect(m_internalWindow, &QWindow::xChanged, this, &InternalClient::updateInternalWindowGeometry);
connect(m_internalWindow, &QWindow::yChanged, this, &InternalClient::updateInternalWindowGeometry);
connect(m_internalWindow, &QWindow::widthChanged, this, &InternalClient::updateInternalWindowGeometry);
connect(m_internalWindow, &QWindow::heightChanged, this, &InternalClient::updateInternalWindowGeometry);
connect(m_internalWindow, &QWindow::windowTitleChanged, this, &InternalClient::setCaption);
connect(m_internalWindow, &QWindow::opacityChanged, this, &InternalClient::setOpacity);
connect(m_internalWindow, &QWindow::destroyed, this, &InternalClient::destroyClient);
connect(this, &InternalClient::opacityChanged, this, &InternalClient::addRepaintFull);
const QVariant windowType = m_internalWindow->property("kwin_windowType");
if (!windowType.isNull()) {
m_windowType = windowType.value<NET::WindowType>();
}
setCaption(m_internalWindow->title());
setIcon(QIcon::fromTheme(QStringLiteral("kwin")));
setOnAllDesktops(true);
setOpacity(m_internalWindow->opacity());
setSkipCloseAnimation(m_internalWindow->property(s_skipClosePropertyName).toBool());
// Create scene window, effect window, and update server-side shadow.
setupCompositing();
updateColorScheme();
blockGeometryUpdates(true);
commitGeometry(m_internalWindow->geometry());
updateDecoration(true);
setFrameGeometry(clientRectToFrameRect(m_internalWindow->geometry()));
setGeometryRestore(frameGeometry());
blockGeometryUpdates(false);
m_internalWindow->installEventFilter(this);
}
InternalClient::~InternalClient()
{
}
bool InternalClient::eventFilter(QObject *watched, QEvent *event)
{
if (watched == m_internalWindow && event->type() == QEvent::DynamicPropertyChange) {
QDynamicPropertyChangeEvent *pe = static_cast<QDynamicPropertyChangeEvent*>(event);
if (pe->propertyName() == s_skipClosePropertyName) {
setSkipCloseAnimation(m_internalWindow->property(s_skipClosePropertyName).toBool());
}
if (pe->propertyName() == s_shadowEnabledPropertyName) {
updateShadow();
}
if (pe->propertyName() == "kwin_windowType") {
m_windowType = m_internalWindow->property("kwin_windowType").value<NET::WindowType>();
workspace()->updateClientArea();
}
}
return false;
}
QRect InternalClient::bufferGeometry() const
{
return m_clientGeometry;
}
QStringList InternalClient::activities() const
{
return QStringList();
}
void InternalClient::blockActivityUpdates(bool b)
{
Q_UNUSED(b)
// Internal clients do not support activities.
}
qreal InternalClient::bufferScale() const
{
if (m_internalWindow) {
return m_internalWindow->devicePixelRatio();
}
return 1;
}
QString InternalClient::captionNormal() const
{
return m_captionNormal;
}
QString InternalClient::captionSuffix() const
{
return m_captionSuffix;
}
QPoint InternalClient::clientContentPos() const
{
return -1 * clientPos();
}
QSize InternalClient::minSize() const
{
return m_internalWindow->minimumSize();
}
QSize InternalClient::maxSize() const
{
return m_internalWindow->maximumSize();
}
QRect InternalClient::transparentRect() const
{
return QRect();
}
NET::WindowType InternalClient::windowType(bool direct, int supported_types) const
{
Q_UNUSED(direct)
Q_UNUSED(supported_types)
return m_windowType;
}
double InternalClient::opacity() const
{
return m_opacity;
}
void InternalClient::setOpacity(double opacity)
{
if (m_opacity == opacity) {
return;
}
const double oldOpacity = m_opacity;
m_opacity = opacity;
emit opacityChanged(this, oldOpacity);
}
void InternalClient::killWindow()
{
// We don't kill our internal windows.
}
bool InternalClient::isPopupWindow() const
{
if (AbstractClient::isPopupWindow()) {
return true;
}
return m_internalWindowFlags.testFlag(Qt::Popup);
}
QByteArray InternalClient::windowRole() const
{
return QByteArray();
}
void InternalClient::closeWindow()
{
if (m_internalWindow) {
m_internalWindow->hide();
}
}
bool InternalClient::isCloseable() const
{
return true;
}
bool InternalClient::isMovable() const
{
return true;
}
bool InternalClient::isMovableAcrossScreens() const
{
return true;
}
bool InternalClient::isResizable() const
{
return true;
}
bool InternalClient::noBorder() const
{
return m_userNoBorder || m_internalWindowFlags.testFlag(Qt::FramelessWindowHint) || m_internalWindowFlags.testFlag(Qt::Popup);
}
bool InternalClient::userCanSetNoBorder() const
{
return !m_internalWindowFlags.testFlag(Qt::FramelessWindowHint) || m_internalWindowFlags.testFlag(Qt::Popup);
}
bool InternalClient::wantsInput() const
{
return false;
}
bool InternalClient::isInternal() const
{
return true;
}
bool InternalClient::isLockScreen() const
{
if (m_internalWindow) {
return m_internalWindow->property("org_kde_ksld_emergency").toBool();
}
return false;
}
bool InternalClient::isInputMethod() const
{
return false;
}
bool InternalClient::isOutline() const
{
if (m_internalWindow) {
return m_internalWindow->property("__kwin_outline").toBool();
}
return false;
}
quint32 InternalClient::windowId() const
{
return m_windowId;
}
bool InternalClient::isShown(bool shaded_is_shown) const
{
Q_UNUSED(shaded_is_shown)
return readyForPainting();
}
bool InternalClient::isHiddenInternal() const
{
return false;
}
void InternalClient::hideClient(bool hide)
{
Q_UNUSED(hide)
}
void InternalClient::resizeWithChecks(const QSize &size, ForceGeometry_t force)
{
Q_UNUSED(force)
if (!m_internalWindow) {
return;
}
const QRect area = workspace()->clientArea(WorkArea, this);
setFrameGeometry(QRect{pos(), size.boundedTo(area.size())}, force);
}
void InternalClient::setFrameGeometry(const QRect &rect, ForceGeometry_t force)
{
if (areGeometryUpdatesBlocked()) {
m_frameGeometry = rect;
if (pendingGeometryUpdate() == PendingGeometryForced) {
// Maximum, nothing needed.
} else if (force == ForceGeometrySet) {
setPendingGeometryUpdate(PendingGeometryForced);
} else {
setPendingGeometryUpdate(PendingGeometryNormal);
}
return;
}
if (pendingGeometryUpdate() != PendingGeometryNone) {
// Reset geometry to the one before blocking, so that we can compare properly.
m_frameGeometry = frameGeometryBeforeUpdateBlocking();
}
if (m_frameGeometry == rect) {
return;
}
const QRect newClientGeometry = frameRectToClientRect(rect);
if (clientSize() == newClientGeometry.size()) {
commitGeometry(rect);
} else {
requestGeometry(rect);
}
}
AbstractClient *InternalClient::findModal(bool allow_itself)
{
Q_UNUSED(allow_itself)
return nullptr;
}
void InternalClient::setOnAllActivities(bool set)
{
Q_UNUSED(set)
// Internal clients do not support activities.
}
bool InternalClient::takeFocus()
{
return false;
}
void InternalClient::setNoBorder(bool set)
{
if (!userCanSetNoBorder()) {
return;
}
if (m_userNoBorder == set) {
return;
}
m_userNoBorder = set;
updateDecoration(true);
}
void InternalClient::updateDecoration(bool check_workspace_pos, bool force)
{
if (!force && isDecorated() == !noBorder()) {
return;
}
const QRect oldFrameGeometry = frameGeometry();
const QRect oldClientGeometry = oldFrameGeometry - frameMargins();
GeometryUpdatesBlocker blocker(this);
if (force) {
destroyDecoration();
}
if (!noBorder()) {
createDecoration(oldClientGeometry);
} else {
destroyDecoration();
}
updateShadow();
if (check_workspace_pos) {
checkWorkspacePosition(oldFrameGeometry, -2, oldClientGeometry);
}
}
void InternalClient::destroyClient()
{
markAsZombie();
if (isMoveResize()) {
leaveMoveResize();
}
Deleted *deleted = Deleted::create(this);
emit windowClosed(this, deleted);
destroyDecoration();
workspace()->removeInternalClient(this);
deleted->unrefWindow();
m_internalWindow = nullptr;
delete this;
}
void InternalClient::present(const QSharedPointer<QOpenGLFramebufferObject> fbo)
{
Q_ASSERT(m_internalImage.isNull());
const QSize bufferSize = fbo->size() / bufferScale();
commitGeometry(QRect(pos(), clientSizeToFrameSize(bufferSize)));
markAsMapped();
if (m_internalFBO != fbo) {
discardWindowPixmap();
m_internalFBO = fbo;
}
setDepth(32);
addDamageFull();
addRepaintFull();
}
void InternalClient::present(const QImage &image, const QRegion &damage)
{
Q_ASSERT(m_internalFBO.isNull());
const QSize bufferSize = image.size() / bufferScale();
commitGeometry(QRect(pos(), clientSizeToFrameSize(bufferSize)));
markAsMapped();
if (m_internalImage.size() != image.size()) {
discardWindowPixmap();
}
m_internalImage = image;
setDepth(32);
addDamage(damage);
addRepaint(damage.translated(borderLeft(), borderTop()));
}
QWindow *InternalClient::internalWindow() const
{
return m_internalWindow;
}
bool InternalClient::acceptsFocus() const
{
return false;
}
bool InternalClient::belongsToSameApplication(const AbstractClient *other, SameApplicationChecks checks) const
{
Q_UNUSED(checks)
return qobject_cast<const InternalClient *>(other) != nullptr;
}
void InternalClient::doMove(int x, int y)
{
Q_UNUSED(x)
Q_UNUSED(y)
syncGeometryToInternalWindow();
}
void InternalClient::doResizeSync()
{
requestGeometry(moveResizeGeometry());
}
void InternalClient::updateCaption()
{
const QString oldSuffix = m_captionSuffix;
const auto shortcut = shortcutCaptionSuffix();
m_captionSuffix = shortcut;
if ((!isSpecialWindow() || isToolbar()) && findClientWithSameCaption()) {
int i = 2;
do {
m_captionSuffix = shortcut + QLatin1String(" <") + QString::number(i) + QLatin1Char('>');
i++;
} while (findClientWithSameCaption());
}
if (m_captionSuffix != oldSuffix) {
emit captionChanged();
}
}
void InternalClient::requestGeometry(const QRect &rect)
{
if (m_internalWindow) {
m_internalWindow->setGeometry(frameRectToClientRect(rect));
}
}
void InternalClient::commitGeometry(const QRect &rect)
{
if (m_frameGeometry == rect && pendingGeometryUpdate() == PendingGeometryNone) {
return;
}
// The client geometry and the buffer geometry are the same.
const QRect oldClientGeometry = m_clientGeometry;
const QRect oldFrameGeometry = m_frameGeometry;
m_clientGeometry = frameRectToClientRect(rect);
m_frameGeometry = rect;
addWorkspaceRepaint(visibleRect());
updateGeometryBeforeUpdateBlocking();
syncGeometryToInternalWindow();
if (oldClientGeometry != m_clientGeometry) {
emit bufferGeometryChanged(this, oldClientGeometry);
emit clientGeometryChanged(this, oldClientGeometry);
}
if (oldFrameGeometry != m_frameGeometry) {
emit frameGeometryChanged(this, oldFrameGeometry);
}
emit geometryShapeChanged(this, oldFrameGeometry);
if (isResize()) {
performMoveResize();
}
}
void InternalClient::setCaption(const QString &caption)
{
if (m_captionNormal == caption) {
return;
}
m_captionNormal = caption;
const QString oldCaptionSuffix = m_captionSuffix;
updateCaption();
if (m_captionSuffix == oldCaptionSuffix) {
emit captionChanged();
}
}
void InternalClient::markAsMapped()
{
if (!ready_for_painting) {
setReadyForPainting();
workspace()->addInternalClient(this);
}
}
void InternalClient::syncGeometryToInternalWindow()
{
if (m_internalWindow->geometry() == frameRectToClientRect(frameGeometry())) {
return;
}
QTimer::singleShot(0, this, [this] { requestGeometry(frameGeometry()); });
}
void InternalClient::updateInternalWindowGeometry()
{
if (isMoveResize()) {
return;
}
commitGeometry(clientRectToFrameRect(m_internalWindow->geometry()));
}
}