kwin/internal_client.cpp
2019-09-29 17:03:25 +03:00

682 lines
16 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2019 Martin Flöser <mgraesslin@kde.org>
Copyright (C) 2019 Vlad Zahorodnii <vladzzag@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#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");
namespace KWin
{
InternalClient::InternalClient(QWindow *window)
: m_internalWindow(window)
, m_clientSize(window->size())
, 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());
setupCompositing();
updateColorScheme();
blockGeometryUpdates(true);
commitGeometry(m_internalWindow->geometry());
updateDecoration(true);
setGeometry(mapFromClient(m_internalWindow->geometry()));
setGeometryRestore(geometry());
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() == "kwin_windowType") {
m_windowType = m_internalWindow->property("kwin_windowType").value<NET::WindowType>();
workspace()->updateClientArea();
}
}
return false;
}
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::clientSize() const
{
return m_clientSize;
}
void InternalClient::debug(QDebug &stream) const
{
stream.nospace() << "\'InternalClient:" << m_internalWindow << "\'";
}
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::isFullScreenable() const
{
return false;
}
bool InternalClient::isFullScreen() const
{
return false;
}
bool InternalClient::isMaximizable() const
{
return false;
}
bool InternalClient::isMinimizable() const
{
return false;
}
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
{
if (m_internalWindow) {
return m_internalWindow->property("__kwin_input_method").toBool();
}
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;
}
MaximizeMode InternalClient::maximizeMode() const
{
return MaximizeRestore;
}
QRect InternalClient::geometryRestore() const
{
return m_maximizeRestoreGeometry;
}
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(int w, int h, ForceGeometry_t force)
{
Q_UNUSED(force)
if (!m_internalWindow) {
return;
}
QRect area = workspace()->clientArea(WorkArea, this);
// don't allow growing larger than workarea
if (w > area.width()) {
w = area.width();
}
if (h > area.height()) {
h = area.height();
}
setGeometry(QRect(x(), y(), w, h));
}
void InternalClient::setGeometry(int x, int y, int w, int h, ForceGeometry_t force)
{
const QRect rect(x, y, w, h);
if (areGeometryUpdatesBlocked()) {
geom = 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.
geom = geometryBeforeUpdateBlocking();
}
if (geom == rect) {
return;
}
const QRect newClientGeometry = mapToClient(rect);
if (m_clientSize == newClientGeometry.size()) {
commitGeometry(rect);
} else {
requestGeometry(rect);
}
}
void InternalClient::setGeometryRestore(const QRect &rect)
{
m_maximizeRestoreGeometry = rect;
}
bool InternalClient::supportsWindowRules() const
{
return false;
}
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.
}
void InternalClient::takeFocus()
{
}
bool InternalClient::userCanSetFullScreen() const
{
return false;
}
void InternalClient::setFullScreen(bool set, bool user)
{
Q_UNUSED(set)
Q_UNUSED(user)
}
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 = geometry();
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::updateColorScheme()
{
AbstractClient::updateColorScheme(QString());
}
void InternalClient::showOnScreenEdge()
{
}
void InternalClient::destroyClient()
{
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(), sizeForClientSize(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(), sizeForClientSize(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::changeMaximize(bool horizontal, bool vertical, bool adjust)
{
Q_UNUSED(horizontal)
Q_UNUSED(vertical)
Q_UNUSED(adjust)
// Internal clients are not maximizable.
}
void InternalClient::destroyDecoration()
{
if (!isDecorated()) {
return;
}
const QRect clientGeometry = mapToClient(geometry());
AbstractClient::destroyDecoration();
setGeometry(clientGeometry);
}
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();
}
}
QRect InternalClient::mapFromClient(const QRect &rect) const
{
return rect + frameMargins();
}
QRect InternalClient::mapToClient(const QRect &rect) const
{
return rect - frameMargins();
}
void InternalClient::createDecoration(const QRect &rect)
{
KDecoration2::Decoration *decoration = Decoration::DecorationBridge::self()->createDecoration(this);
if (decoration) {
QMetaObject::invokeMethod(decoration, "update", Qt::QueuedConnection);
connect(decoration, &KDecoration2::Decoration::shadowChanged, this, &Toplevel::updateShadow);
connect(decoration, &KDecoration2::Decoration::bordersChanged, this,
[this]() {
GeometryUpdatesBlocker blocker(this);
const QRect oldGeometry = geometry();
if (!isShade()) {
checkWorkspacePosition(oldGeometry);
}
emit geometryShapeChanged(this, oldGeometry);
}
);
}
const QRect oldFrameGeometry = geometry();
setDecoration(decoration);
setGeometry(mapFromClient(rect));
emit geometryShapeChanged(this, oldFrameGeometry);
}
void InternalClient::requestGeometry(const QRect &rect)
{
if (m_internalWindow) {
m_internalWindow->setGeometry(mapToClient(rect));
}
}
void InternalClient::commitGeometry(const QRect &rect)
{
if (geom == rect && pendingGeometryUpdate() == PendingGeometryNone) {
return;
}
geom = rect;
m_clientSize = mapToClient(geometry()).size();
addWorkspaceRepaint(visibleRect());
syncGeometryToInternalWindow();
const QRect oldGeometry = geometryBeforeUpdateBlocking();
updateGeometryBeforeUpdateBlocking();
emit geometryShapeChanged(this, oldGeometry);
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() == mapToClient(geometry())) {
return;
}
QTimer::singleShot(0, this, [this] { requestGeometry(geometry()); });
}
void InternalClient::updateInternalWindowGeometry()
{
if (isMoveResize()) {
return;
}
commitGeometry(mapFromClient(m_internalWindow->geometry()));
}
}