diff --git a/src/plasmaquick/dialogshadows.cpp b/src/plasmaquick/dialogshadows.cpp index e9b17f709..5dd88622a 100644 --- a/src/plasmaquick/dialogshadows.cpp +++ b/src/plasmaquick/dialogshadows.cpp @@ -1,746 +1,746 @@ /* * Copyright 2011 by Aaron Seigo * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Library General Public License version 2, * 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 Library General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "dialogshadows_p.h" #include #include #include #include #if HAVE_X11 #include #include #include #include #include #endif #if HAVE_KWAYLAND #include #include #include #include #include #include #endif #include class DialogShadows::Private { public: Private(DialogShadows *shadows) : q(shadows) #if HAVE_X11 , _connection(nullptr) , _gc(0x0) , m_isX11(KWindowSystem::isPlatformX11()) #endif { setupWaylandIntegration(); } ~Private() { // Do not call clearPixmaps() from here: it creates new QPixmap(), // which causes a crash when application is stopping. freeX11Pixmaps(); } void freeX11Pixmaps(); void freeWaylandBuffers(); void clearPixmaps(); void setupPixmaps(); Qt::HANDLE createPixmap(const QPixmap &source); void initPixmap(const QString &element); QPixmap initEmptyPixmap(const QSize &size); void updateShadow(const QWindow *window, Plasma::FrameSvg::EnabledBorders); void updateShadowX11(const QWindow *window, Plasma::FrameSvg::EnabledBorders); void updateShadowWayland(const QWindow *window, Plasma::FrameSvg::EnabledBorders); void clearShadow(const QWindow *window); void clearShadowX11(const QWindow *window); void clearShadowWayland(const QWindow *window); void updateShadows(); void windowDestroyed(QObject *deletedObject); void setupData(Plasma::FrameSvg::EnabledBorders enabledBorders); void setupWaylandIntegration(); DialogShadows *q; QList m_shadowPixmaps; QPixmap m_emptyCornerPix; QPixmap m_emptyCornerLeftPix; QPixmap m_emptyCornerTopPix; QPixmap m_emptyCornerRightPix; QPixmap m_emptyCornerBottomPix; QPixmap m_emptyVerticalPix; QPixmap m_emptyHorizontalPix; #if HAVE_X11 //! xcb connection xcb_connection_t *_connection; //! graphical context xcb_gcontext_t _gc; bool m_isX11; #endif #if HAVE_KWAYLAND struct Wayland { KWayland::Client::ShadowManager *manager = nullptr; KWayland::Client::ShmPool *shmPool = nullptr; KWayland::Client::PlasmaShell *plasmaShell = nullptr; QList shadowBuffers; }; Wayland m_wayland; #endif QHash > data; QHash m_windows; }; class DialogShadowsSingleton { public: DialogShadowsSingleton() { } DialogShadows self; }; Q_GLOBAL_STATIC(DialogShadowsSingleton, privateDialogShadowsSelf) DialogShadows::DialogShadows(QObject *parent, const QString &prefix) : Plasma::Svg(parent), d(new Private(this)) { setImagePath(prefix); connect(this, SIGNAL(repaintNeeded()), this, SLOT(updateShadows())); } DialogShadows::~DialogShadows() { delete d; } DialogShadows *DialogShadows::self() { return &privateDialogShadowsSelf->self; } void DialogShadows::addWindow(const QWindow *window, Plasma::FrameSvg::EnabledBorders enabledBorders) { if (!window) { return; } d->m_windows[window] = enabledBorders; d->updateShadow(window, enabledBorders); connect(window, SIGNAL(destroyed(QObject*)), this, SLOT(windowDestroyed(QObject*)), Qt::UniqueConnection); } void DialogShadows::removeWindow(const QWindow *window) { if (!d->m_windows.contains(window)) { return; } d->m_windows.remove(window); disconnect(window, nullptr, this, nullptr); d->clearShadow(window); if (d->m_windows.isEmpty()) { d->clearPixmaps(); } } void DialogShadows::setEnabledBorders(const QWindow *window, Plasma::FrameSvg::EnabledBorders enabledBorders) { if (!window || !d->m_windows.contains(window)) { return; } d->updateShadow(window, enabledBorders); } void DialogShadows::Private::windowDestroyed(QObject *deletedObject) { m_windows.remove(static_cast(deletedObject)); if (m_windows.isEmpty()) { clearPixmaps(); } } void DialogShadows::Private::updateShadows() { setupPixmaps(); QHash::const_iterator i; for (i = m_windows.constBegin(); i != m_windows.constEnd(); ++i) { updateShadow(i.key(), i.value()); } } Qt::HANDLE DialogShadows::Private::createPixmap(const QPixmap &source) { // do nothing for invalid pixmaps if (source.isNull()) { return nullptr; } /* in some cases, pixmap handle is invalid. This is the case notably when Qt uses to RasterEngine. In this case, we create an X11 Pixmap explicitly and draw the source pixmap on it. */ #if HAVE_X11 if (!m_isX11) { return nullptr; } // check connection if (!_connection) { _connection = QX11Info::connection(); } const int width(source.width()); const int height(source.height()); // create X11 pixmap Pixmap pixmap = XCreatePixmap(QX11Info::display(), QX11Info::appRootWindow(), width, height, 32); // check gc if (!_gc) { _gc = xcb_generate_id(_connection); xcb_create_gc(_connection, _gc, pixmap, 0, nullptr); } // // create explicitly shared QPixmap from it // QPixmap dest( QPixmap::fromX11Pixmap( pixmap, QPixmap::ExplicitlyShared ) ); // // // create surface for pixmap // { // QPainter painter( &dest ); // painter.setCompositionMode( QPainter::CompositionMode_Source ); // painter.drawPixmap( 0, 0, source ); // } // // // return pixmap; QImage image(source.toImage()); xcb_put_image( _connection, XCB_IMAGE_FORMAT_Z_PIXMAP, pixmap, _gc, image.width(), image.height(), 0, 0, 0, 32, image.byteCount(), image.constBits()); return (Qt::HANDLE)pixmap; #else return nullptr; #endif } void DialogShadows::Private::initPixmap(const QString &element) { m_shadowPixmaps << q->pixmap(element); } QPixmap DialogShadows::Private::initEmptyPixmap(const QSize &size) { #if HAVE_X11 if (!m_isX11) { return QPixmap(); } QPixmap tempEmptyPix(size); if (!size.isEmpty()) { tempEmptyPix.fill(Qt::transparent); } return tempEmptyPix; #else Q_UNUSED(size) return QPixmap(); #endif } void DialogShadows::Private::setupPixmaps() { clearPixmaps(); initPixmap(QStringLiteral("shadow-top")); initPixmap(QStringLiteral("shadow-topright")); initPixmap(QStringLiteral("shadow-right")); initPixmap(QStringLiteral("shadow-bottomright")); initPixmap(QStringLiteral("shadow-bottom")); initPixmap(QStringLiteral("shadow-bottomleft")); initPixmap(QStringLiteral("shadow-left")); initPixmap(QStringLiteral("shadow-topleft")); m_emptyCornerPix = initEmptyPixmap(QSize(1, 1)); m_emptyCornerLeftPix = initEmptyPixmap(QSize(q->elementSize(QStringLiteral("shadow-topleft")).width(), 1)); m_emptyCornerTopPix = initEmptyPixmap(QSize(1, q->elementSize(QStringLiteral("shadow-topleft")).height())); m_emptyCornerRightPix = initEmptyPixmap(QSize(q->elementSize(QStringLiteral("shadow-bottomright")).width(), 1)); m_emptyCornerBottomPix = initEmptyPixmap(QSize(1, q->elementSize(QStringLiteral("shadow-bottomright")).height())); m_emptyVerticalPix = initEmptyPixmap(QSize(1, q->elementSize(QStringLiteral("shadow-left")).height())); m_emptyHorizontalPix = initEmptyPixmap(QSize(q->elementSize(QStringLiteral("shadow-top")).width(), 1)); #if HAVE_KWAYLAND if (m_wayland.shmPool) { for (auto it = m_shadowPixmaps.constBegin(); it != m_shadowPixmaps.constEnd(); ++it) { m_wayland.shadowBuffers << m_wayland.shmPool->createBuffer(it->toImage()); } } #endif } void DialogShadows::Private::setupData(Plasma::FrameSvg::EnabledBorders enabledBorders) { #if HAVE_X11 if (!m_isX11) { return; } //shadow-top if (enabledBorders & Plasma::FrameSvg::TopBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[0])); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyHorizontalPix)); } //shadow-topright if (enabledBorders & Plasma::FrameSvg::TopBorder && enabledBorders & Plasma::FrameSvg::RightBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[1])); } else if (enabledBorders & Plasma::FrameSvg::TopBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerTopPix)); } else if (enabledBorders & Plasma::FrameSvg::RightBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerRightPix)); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerPix)); } //shadow-right if (enabledBorders & Plasma::FrameSvg::RightBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[2])); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyVerticalPix)); } //shadow-bottomright if (enabledBorders & Plasma::FrameSvg::BottomBorder && enabledBorders & Plasma::FrameSvg::RightBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[3])); } else if (enabledBorders & Plasma::FrameSvg::BottomBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerBottomPix)); } else if (enabledBorders & Plasma::FrameSvg::RightBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerRightPix)); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerPix)); } //shadow-bottom if (enabledBorders & Plasma::FrameSvg::BottomBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[4])); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyHorizontalPix)); } //shadow-bottomleft if (enabledBorders & Plasma::FrameSvg::BottomBorder && enabledBorders & Plasma::FrameSvg::LeftBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[5])); } else if (enabledBorders & Plasma::FrameSvg::BottomBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerBottomPix)); } else if (enabledBorders & Plasma::FrameSvg::LeftBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerLeftPix)); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerPix)); } //shadow-left if (enabledBorders & Plasma::FrameSvg::LeftBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[6])); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyVerticalPix)); } //shadow-topleft if (enabledBorders & Plasma::FrameSvg::TopBorder && enabledBorders & Plasma::FrameSvg::LeftBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_shadowPixmaps[7])); } else if (enabledBorders & Plasma::FrameSvg::TopBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerTopPix)); } else if (enabledBorders & Plasma::FrameSvg::LeftBorder) { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerLeftPix)); } else { data[enabledBorders] << reinterpret_cast(createPixmap(m_emptyCornerPix)); } #endif int left, top, right, bottom = 0; QSize marginHint; if (enabledBorders & Plasma::FrameSvg::TopBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-top-margin")); if (marginHint.isValid()) { top = marginHint.height(); } else { top = m_shadowPixmaps[0].height(); // top } } else { top = 1; } if (enabledBorders & Plasma::FrameSvg::RightBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-right-margin")); if (marginHint.isValid()) { right = marginHint.width(); } else { right = m_shadowPixmaps[2].width(); // right } } else { right = 1; } if (enabledBorders & Plasma::FrameSvg::BottomBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-bottom-margin")); if (marginHint.isValid()) { bottom = marginHint.height(); } else { bottom = m_shadowPixmaps[4].height(); // bottom } } else { bottom = 1; } if (enabledBorders & Plasma::FrameSvg::LeftBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-left-margin")); if (marginHint.isValid()) { left = marginHint.width(); } else { left = m_shadowPixmaps[6].width(); // left } } else { left = 1; } data[enabledBorders] << top << right << bottom << left; } void DialogShadows::Private::freeX11Pixmaps() { #if HAVE_X11 if (!m_isX11) { return; } auto *display = QX11Info::display(); if (!display) { return; } foreach (const QPixmap &pixmap, m_shadowPixmaps) { if (!pixmap.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(pixmap))); } } if (!m_emptyCornerPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyCornerPix))); } if (!m_emptyCornerBottomPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyCornerBottomPix))); } if (!m_emptyCornerLeftPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyCornerLeftPix))); } if (!m_emptyCornerRightPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyCornerRightPix))); } if (!m_emptyCornerTopPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyCornerTopPix))); } if (!m_emptyVerticalPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyVerticalPix))); } if (!m_emptyHorizontalPix.isNull()) { XFreePixmap(display, reinterpret_cast(createPixmap(m_emptyHorizontalPix))); } #endif } void DialogShadows::Private::clearPixmaps() { #if HAVE_X11 freeX11Pixmaps(); m_emptyCornerPix = QPixmap(); m_emptyCornerBottomPix = QPixmap(); m_emptyCornerLeftPix = QPixmap(); m_emptyCornerRightPix = QPixmap(); m_emptyCornerTopPix = QPixmap(); m_emptyVerticalPix = QPixmap(); m_emptyHorizontalPix = QPixmap(); #endif freeWaylandBuffers(); m_shadowPixmaps.clear(); data.clear(); } void DialogShadows::Private::freeWaylandBuffers() { #if HAVE_KWAYLAND m_wayland.shadowBuffers.clear(); #endif } void DialogShadows::Private::updateShadow(const QWindow *window, Plasma::FrameSvg::EnabledBorders enabledBorders) { #if HAVE_X11 if (m_isX11) { updateShadowX11(window, enabledBorders); } #endif #if HAVE_KWAYLAND if (m_wayland.manager) { updateShadowWayland(window, enabledBorders); } #endif } void DialogShadows::Private::updateShadowX11(const QWindow *window, Plasma::FrameSvg::EnabledBorders enabledBorders) { #if HAVE_X11 if (m_shadowPixmaps.isEmpty()) { setupPixmaps(); } if (!data.contains(enabledBorders)) { setupData(enabledBorders); } Display *dpy = QX11Info::display(); Atom atom = XInternAtom(dpy, "_KDE_NET_WM_SHADOW", False); //qDebug() << "going to set the shadow of" << window->winId() << "to" << data; XChangeProperty(dpy, window->winId(), atom, XA_CARDINAL, 32, PropModeReplace, reinterpret_cast(data[enabledBorders].constData()), data[enabledBorders].size()); #endif } void DialogShadows::Private::updateShadowWayland(const QWindow *window, Plasma::FrameSvg::EnabledBorders enabledBorders) { #if HAVE_KWAYLAND if (!m_wayland.shmPool) { return; } if (m_wayland.shadowBuffers.isEmpty()) { setupPixmaps(); } // TODO: check whether the surface already has a shadow KWayland::Client::Surface *surface = KWayland::Client::Surface::fromWindow(const_cast(window)); if (!surface) { return; } auto shadow = m_wayland.manager->createShadow(surface, surface); //shadow-top if (enabledBorders & Plasma::FrameSvg::TopBorder) { shadow->attachTop(m_wayland.shadowBuffers.at(0)); } //shadow-topright if (enabledBorders & Plasma::FrameSvg::TopBorder && enabledBorders & Plasma::FrameSvg::RightBorder) { shadow->attachTopRight(m_wayland.shadowBuffers.at(1)); } //shadow-right if (enabledBorders & Plasma::FrameSvg::RightBorder) { shadow->attachRight(m_wayland.shadowBuffers.at(2)); } //shadow-bottomright if (enabledBorders & Plasma::FrameSvg::BottomBorder && enabledBorders & Plasma::FrameSvg::RightBorder) { shadow->attachBottomRight(m_wayland.shadowBuffers.at(3)); } //shadow-bottom if (enabledBorders & Plasma::FrameSvg::BottomBorder) { shadow->attachBottom(m_wayland.shadowBuffers.at(4)); } //shadow-bottomleft if (enabledBorders & Plasma::FrameSvg::BottomBorder && enabledBorders & Plasma::FrameSvg::LeftBorder) { shadow->attachBottomLeft(m_wayland.shadowBuffers.at(5)); } //shadow-left if (enabledBorders & Plasma::FrameSvg::LeftBorder) { shadow->attachLeft(m_wayland.shadowBuffers.at(6)); } //shadow-topleft if (enabledBorders & Plasma::FrameSvg::TopBorder && enabledBorders & Plasma::FrameSvg::LeftBorder) { shadow->attachTopLeft(m_wayland.shadowBuffers.at(7)); } QSize marginHint; - QMarginsF margins = QMarginsF(1, 1, 1, 1); + QMarginsF margins; if (enabledBorders & Plasma::FrameSvg::TopBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-top-margin")); if (marginHint.isValid()) { margins.setTop(marginHint.height()); } else { margins.setTop(m_shadowPixmaps[0].height()); } } if (enabledBorders & Plasma::FrameSvg::RightBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-right-margin")); if (marginHint.isValid()) { margins.setRight(marginHint.width()); } else { margins.setRight(m_shadowPixmaps[2].width()); } } if (enabledBorders & Plasma::FrameSvg::BottomBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-bottom-margin")); if (marginHint.isValid()) { margins.setBottom(marginHint.height()); } else { margins.setBottom(m_shadowPixmaps[4].height()); } } if (enabledBorders & Plasma::FrameSvg::LeftBorder) { marginHint = q->elementSize(QStringLiteral("shadow-hint-left-margin")); if (marginHint.isValid()) { margins.setLeft(marginHint.width()); } else { margins.setLeft(m_shadowPixmaps[6].width()); } } shadow->setOffsets(margins); shadow->commit(); surface->commit(KWayland::Client::Surface::CommitFlag::None); #endif } void DialogShadows::Private::clearShadow(const QWindow *window) { if (!static_cast(window)->surfaceHandle()) { qWarning() << "Cannot clear shadow from window without native surface!"; return; } #if HAVE_X11 if (m_isX11) { clearShadowX11(window); } #endif #if HAVE_KWAYLAND if (m_wayland.manager) { clearShadowWayland(window); } #endif } void DialogShadows::Private::clearShadowX11(const QWindow* window) { #if HAVE_X11 Display *dpy = QX11Info::display(); Atom atom = XInternAtom(dpy, "_KDE_NET_WM_SHADOW", False); XDeleteProperty(dpy, window->winId(), atom); #endif } void DialogShadows::Private::clearShadowWayland(const QWindow *window) { #if HAVE_KWAYLAND KWayland::Client::Surface *surface = KWayland::Client::Surface::fromWindow(const_cast(window)); if (!surface) { return; } m_wayland.manager->removeShadow(surface); surface->commit(KWayland::Client::Surface::CommitFlag::None); #endif } bool DialogShadows::enabled() const { return hasElement(QStringLiteral("shadow-left")); } KWayland::Client::PlasmaShell *DialogShadows::waylandPlasmaShellInterface() const { #if HAVE_KWAYLAND return d->m_wayland.plasmaShell; #else return nullptr; #endif } void DialogShadows::Private::setupWaylandIntegration() { #if HAVE_KWAYLAND if (!KWindowSystem::isPlatformWayland()) { return; } using namespace KWayland::Client; ConnectionThread *connection = ConnectionThread::fromApplication(q); if (!connection) { return; } Registry *registry = new Registry(q); registry->create(connection); connect(registry, &Registry::shadowAnnounced, q, [this, registry] (quint32 name, quint32 version) { m_wayland.manager = registry->createShadowManager(name, version, q); updateShadows(); }, Qt::QueuedConnection ); connect(registry, &Registry::shmAnnounced, q, [this, registry] (quint32 name, quint32 version) { m_wayland.shmPool = registry->createShmPool(name, version, q); updateShadows(); }, Qt::QueuedConnection ); connect(registry, &Registry::plasmaShellAnnounced, q, [this, registry] (quint32 name, quint32 version) { m_wayland.plasmaShell = registry->createPlasmaShell(name, version, q); } ); registry->setup(); connection->roundtrip(); #endif } #include "moc_dialogshadows_p.cpp"