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kwin/src/workspace.cpp

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/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 1999, 2000 Matthias Ettrich <ettrich@kde.org>
SPDX-FileCopyrightText: 2003 Lubos Lunak <l.lunak@kde.org>
SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
// own
#include "workspace.h"
// kwin libs
#include <kwinglplatform.h>
// kwin
#include "abstract_wayland_output.h"
#ifdef KWIN_BUILD_ACTIVITIES
#include "activities.h"
#endif
#include "appmenu.h"
#include "atoms.h"
#include "x11client.h"
#include "composite.h"
#include "cursor.h"
#include "dbusinterface.h"
#include "deleted.h"
#include "effects.h"
#include "focuschain.h"
#include "group.h"
#include "input.h"
#include "internal_client.h"
#include "moving_client_x11_filter.h"
#include "killwindow.h"
#include "netinfo.h"
#include "outline.h"
#include "placement.h"
#include "pluginmanager.h"
#include "rules.h"
#include "screenedge.h"
#include "screens.h"
#include "platform.h"
#include "scripting/scripting.h"
#include "syncalarmx11filter.h"
#ifdef KWIN_BUILD_TABBOX
#include "tabbox.h"
#endif
#include "unmanaged.h"
#include "useractions.h"
#include "virtualdesktops.h"
#include "was_user_interaction_x11_filter.h"
#include "wayland_server.h"
#include "xcbutils.h"
#include "main.h"
#include "decorations/decorationbridge.h"
#include "xwaylandclient.h"
// KDE
#include <KConfig>
#include <KConfigGroup>
#include <KLocalizedString>
#include <KStartupInfo>
// Qt
#include <QtConcurrentRun>
namespace KWin
{
extern int screen_number;
extern bool is_multihead;
X11EventFilterContainer::X11EventFilterContainer(X11EventFilter *filter)
: m_filter(filter)
{
}
X11EventFilter *X11EventFilterContainer::filter() const
{
return m_filter;
}
ColorMapper::ColorMapper(QObject *parent)
: QObject(parent)
, m_default(kwinApp()->x11DefaultScreen()->default_colormap)
, m_installed(kwinApp()->x11DefaultScreen()->default_colormap)
{
}
ColorMapper::~ColorMapper()
{
}
void ColorMapper::update()
{
xcb_colormap_t cmap = m_default;
if (X11Client *c = dynamic_cast<X11Client *>(Workspace::self()->activeClient())) {
if (c->colormap() != XCB_COLORMAP_NONE) {
cmap = c->colormap();
}
}
if (cmap != m_installed) {
xcb_install_colormap(connection(), cmap);
m_installed = cmap;
}
}
Workspace* Workspace::_self = nullptr;
Workspace::Workspace()
: QObject(nullptr)
, m_compositor(nullptr)
// Unsorted
, m_quickTileCombineTimer(nullptr)
, active_popup(nullptr)
, active_popup_client(nullptr)
, m_initialDesktop(1)
, active_client(nullptr)
, last_active_client(nullptr)
, movingClient(nullptr)
, delayfocus_client(nullptr)
, force_restacking(false)
, showing_desktop(false)
, was_user_interaction(false)
, block_focus(0)
, m_userActionsMenu(new UserActionsMenu(this))
, client_keys_dialog(nullptr)
, client_keys_client(nullptr)
, global_shortcuts_disabled_for_client(false)
, workspaceInit(true)
, set_active_client_recursion(0)
, block_stacking_updates(0)
, m_sessionManager(new SessionManager(this))
{
// If KWin was already running it saved its configuration after loosing the selection -> Reread
QFuture<void> reparseConfigFuture = QtConcurrent::run(options, &Options::reparseConfiguration);
ApplicationMenu::create(this);
_self = this;
#ifdef KWIN_BUILD_ACTIVITIES
Activities *activities = nullptr;
if (kwinApp()->usesKActivities()) {
activities = Activities::create(this);
}
if (activities) {
connect(activities, &Activities::currentChanged, this, &Workspace::updateCurrentActivity);
}
#endif
// PluginMgr needs access to the config file, so we need to wait for it for finishing
reparseConfigFuture.waitForFinished();
options->loadConfig();
options->loadCompositingConfig(false);
delayFocusTimer = nullptr;
m_quickTileCombineTimer = new QTimer(this);
m_quickTileCombineTimer->setSingleShot(true);
RuleBook::create(this)->load();
kwinApp()->createScreens();
ScreenEdges::create(this);
// VirtualDesktopManager needs to be created prior to init shortcuts
// and prior to TabBox, due to TabBox connecting to signals
// actual initialization happens in init()
VirtualDesktopManager::create(this);
//dbus interface
new VirtualDesktopManagerDBusInterface(VirtualDesktopManager::self());
#ifdef KWIN_BUILD_TABBOX
// need to create the tabbox before compositing scene is setup
TabBox::TabBox::create(this);
#endif
if (Compositor::self()) {
m_compositor = Compositor::self();
} else {
Q_ASSERT(kwinApp()->operationMode() == Application::OperationMode::OperationModeX11);
m_compositor = X11Compositor::create(this);
}
connect(this, &Workspace::currentDesktopChanged, m_compositor, &Compositor::addRepaintFull);
connect(m_compositor, &QObject::destroyed, this, [this] { m_compositor = nullptr; });
auto decorationBridge = Decoration::DecorationBridge::create(this);
decorationBridge->init();
connect(this, &Workspace::configChanged, decorationBridge, &Decoration::DecorationBridge::reconfigure);
connect(m_sessionManager, &SessionManager::loadSessionRequested, this, &Workspace::loadSessionInfo);
connect(m_sessionManager, &SessionManager::prepareSessionSaveRequested, this, [this](const QString &name) {
storeSession(name, SMSavePhase0);
});
connect(m_sessionManager, &SessionManager::finishSessionSaveRequested, this, [this](const QString &name) {
storeSession(name, SMSavePhase2);
});
new DBusInterface(this);
Outline::create(this);
initShortcuts();
init();
}
void Workspace::init()
{
KSharedConfigPtr config = kwinApp()->config();
ScreenEdges *screenEdges = ScreenEdges::self();
screenEdges->setConfig(config);
screenEdges->init();
connect(options, &Options::configChanged, screenEdges, &ScreenEdges::reconfigure);
connect(VirtualDesktopManager::self(), &VirtualDesktopManager::layoutChanged, screenEdges, &ScreenEdges::updateLayout);
connect(this, &Workspace::clientActivated, screenEdges, &ScreenEdges::checkBlocking);
FocusChain *focusChain = FocusChain::create(this);
connect(this, &Workspace::clientRemoved, focusChain, &FocusChain::remove);
connect(this, &Workspace::clientActivated, focusChain, &FocusChain::setActiveClient);
connect(VirtualDesktopManager::self(), &VirtualDesktopManager::currentChanged, focusChain, [focusChain]() {
focusChain->setCurrentDesktop(VirtualDesktopManager::self()->currentDesktop());
});
connect(options, &Options::separateScreenFocusChanged, focusChain, &FocusChain::setSeparateScreenFocus);
focusChain->setSeparateScreenFocus(options->isSeparateScreenFocus());
Platform *platform = kwinApp()->platform();
connect(platform, &Platform::outputEnabled, this, &Workspace::slotOutputEnabled);
connect(platform, &Platform::outputDisabled, this, &Workspace::slotOutputDisabled);
const QVector<AbstractOutput *> outputs = platform->enabledOutputs();
for (AbstractOutput *output : outputs) {
slotOutputEnabled(output);
}
// create VirtualDesktopManager and perform dependency injection
VirtualDesktopManager *vds = VirtualDesktopManager::self();
connect(vds, &VirtualDesktopManager::desktopCreated, this, &Workspace::slotDesktopAdded);
connect(vds, &VirtualDesktopManager::desktopRemoved, this, &Workspace::slotDesktopRemoved);
connect(vds, &VirtualDesktopManager::currentChanged, this, &Workspace::slotCurrentDesktopChanged);
vds->setNavigationWrappingAround(options->isRollOverDesktops());
connect(options, &Options::rollOverDesktopsChanged, vds, &VirtualDesktopManager::setNavigationWrappingAround);
vds->setConfig(config);
// Now we know how many desktops we'll have, thus we initialize the positioning object
Placement::create(this);
// positioning object needs to be created before the virtual desktops are loaded.
vds->load();
vds->updateLayout();
//makes sure any autogenerated id is saved, necessary as in case of xwayland, load will be called 2 times
// load is needed to be called again when starting xwayalnd to sync to RootInfo, see BUG 385260
vds->save();
if (!VirtualDesktopManager::self()->setCurrent(m_initialDesktop))
VirtualDesktopManager::self()->setCurrent(1);
reconfigureTimer.setSingleShot(true);
updateToolWindowsTimer.setSingleShot(true);
connect(&reconfigureTimer, &QTimer::timeout, this, &Workspace::slotReconfigure);
connect(&updateToolWindowsTimer, &QTimer::timeout, this, &Workspace::slotUpdateToolWindows);
// TODO: do we really need to reconfigure everything when fonts change?
// maybe just reconfigure the decorations? Move this into libkdecoration?
QDBusConnection::sessionBus().connect(QString(),
QStringLiteral("/KDEPlatformTheme"),
QStringLiteral("org.kde.KDEPlatformTheme"),
QStringLiteral("refreshFonts"),
this, SLOT(reconfigure()));
active_client = nullptr;
// We want to have some xcb connection while tearing down X11 components. We don't really
// care if the xcb connection is broken or has an error.
connect(kwinApp(), &Application::x11ConnectionChanged, this, &Workspace::initializeX11);
connect(kwinApp(), &Application::x11ConnectionAboutToBeDestroyed, this, &Workspace::cleanupX11);
initializeX11();
Scripting::create(this);
if (auto server = waylandServer()) {
connect(server, &WaylandServer::shellClientAdded, this, &Workspace::addShellClient);
connect(server, &WaylandServer::shellClientRemoved, this, &Workspace::removeShellClient);
}
// SELI TODO: This won't work with unreasonable focus policies,
// and maybe in rare cases also if the selected client doesn't
// want focus
workspaceInit = false;
// broadcast that Workspace is ready, but first process all events.
QMetaObject::invokeMethod(this, "workspaceInitialized", Qt::QueuedConnection);
// TODO: ungrabXServer()
}
void Workspace::initializeX11()
{
if (!kwinApp()->x11Connection()) {
return;
}
atoms->retrieveHelpers();
// first initialize the extensions
Xcb::Extensions::self();
m_colorMapper.reset(new ColorMapper(this));
connect(this, &Workspace::clientActivated, m_colorMapper.data(), &ColorMapper::update);
// Call this before XSelectInput() on the root window
m_startup.reset(new KStartupInfo(
KStartupInfo::DisableKWinModule | KStartupInfo::AnnounceSilenceChanges, this));
// Select windowmanager privileges
selectWmInputEventMask();
// Compatibility
int32_t data = 1;
xcb_change_property(connection(), XCB_PROP_MODE_APPEND, rootWindow(), atoms->kwin_running,
atoms->kwin_running, 32, 1, &data);
if (kwinApp()->operationMode() == Application::OperationModeX11) {
m_wasUserInteractionFilter.reset(new WasUserInteractionX11Filter);
m_movingClientFilter.reset(new MovingClientX11Filter);
}
if (Xcb::Extensions::self()->isSyncAvailable()) {
m_syncAlarmFilter.reset(new SyncAlarmX11Filter);
}
updateXTime(); // Needed for proper initialization of user_time in Client ctor
const uint32_t nullFocusValues[] = {true};
m_nullFocus.reset(new Xcb::Window(QRect(-1, -1, 1, 1), XCB_WINDOW_CLASS_INPUT_ONLY, XCB_CW_OVERRIDE_REDIRECT, nullFocusValues));
m_nullFocus->map();
RootInfo *rootInfo = RootInfo::create();
const auto vds = VirtualDesktopManager::self();
vds->setRootInfo(rootInfo);
rootInfo->activate();
// TODO: only in X11 mode
// Extra NETRootInfo instance in Client mode is needed to get the values of the properties
NETRootInfo client_info(connection(), NET::ActiveWindow | NET::CurrentDesktop);
if (!qApp->isSessionRestored()) {
m_initialDesktop = client_info.currentDesktop();
vds->setCurrent(m_initialDesktop);
}
// TODO: better value
rootInfo->setActiveWindow(XCB_WINDOW_NONE);
focusToNull();
if (!qApp->isSessionRestored())
++block_focus; // Because it will be set below
{
// Begin updates blocker block
StackingUpdatesBlocker blocker(this);
Xcb::Tree tree(rootWindow());
xcb_window_t *wins = xcb_query_tree_children(tree.data());
QVector<Xcb::WindowAttributes> windowAttributes(tree->children_len);
QVector<Xcb::WindowGeometry> windowGeometries(tree->children_len);
// Request the attributes and geometries of all toplevel windows
for (int i = 0; i < tree->children_len; i++) {
windowAttributes[i] = Xcb::WindowAttributes(wins[i]);
windowGeometries[i] = Xcb::WindowGeometry(wins[i]);
}
// Get the replies
for (int i = 0; i < tree->children_len; i++) {
Xcb::WindowAttributes attr(windowAttributes.at(i));
if (attr.isNull()) {
continue;
}
if (attr->override_redirect) {
if (attr->map_state == XCB_MAP_STATE_VIEWABLE &&
attr->_class != XCB_WINDOW_CLASS_INPUT_ONLY)
// ### This will request the attributes again
createUnmanaged(wins[i]);
} else if (attr->map_state != XCB_MAP_STATE_UNMAPPED) {
if (Application::wasCrash()) {
fixPositionAfterCrash(wins[i], windowGeometries.at(i).data());
}
// ### This will request the attributes again
createClient(wins[i], true);
}
}
// Propagate clients, will really happen at the end of the updates blocker block
updateStackingOrder(true);
saveOldScreenSizes();
updateClientArea();
// NETWM spec says we have to set it to (0,0) if we don't support it
NETPoint* viewports = new NETPoint[VirtualDesktopManager::self()->count()];
rootInfo->setDesktopViewport(VirtualDesktopManager::self()->count(), *viewports);
delete[] viewports;
NETSize desktop_geometry;
desktop_geometry.width = m_geometry.width();
desktop_geometry.height = m_geometry.height();
rootInfo->setDesktopGeometry(desktop_geometry);
setShowingDesktop(false);
} // End updates blocker block
// TODO: only on X11?
AbstractClient* new_active_client = nullptr;
if (!qApp->isSessionRestored()) {
--block_focus;
new_active_client = findClient(Predicate::WindowMatch, client_info.activeWindow());
}
if (new_active_client == nullptr
&& activeClient() == nullptr && should_get_focus.count() == 0) {
// No client activated in manage()
if (new_active_client == nullptr)
new_active_client = topClientOnDesktop(VirtualDesktopManager::self()->currentDesktop());
if (new_active_client == nullptr)
new_active_client = findDesktop(true, VirtualDesktopManager::self()->currentDesktop());
}
if (new_active_client != nullptr)
activateClient(new_active_client);
}
void Workspace::cleanupX11()
{
// We expect that other components will unregister their X11 event filters after the
// connection to the X server has been lost.
StackingUpdatesBlocker blocker(this);
// Use stacking_order, so that kwin --replace keeps stacking order.
const QList<X11Client *> orderedClients = ensureStackingOrder(m_x11Clients);
for (X11Client *client : orderedClients) {
client->releaseWindow(true);
removeFromStack(client);
}
// We need a shadow copy because windows get removed as we go through them.
const QList<Unmanaged *> unmanaged = m_unmanaged;
for (Unmanaged *overrideRedirect : unmanaged) {
overrideRedirect->release(ReleaseReason::KWinShutsDown);
removeFromStack(overrideRedirect);
}
manual_overlays.clear();
VirtualDesktopManager *desktopManager = VirtualDesktopManager::self();
desktopManager->setRootInfo(nullptr);
X11Client::cleanupX11();
RootInfo::destroy();
Xcb::Extensions::destroy();
if (xcb_connection_t *connection = kwinApp()->x11Connection()) {
xcb_delete_property(connection, kwinApp()->x11RootWindow(), atoms->kwin_running);
}
m_colorMapper.reset();
m_movingClientFilter.reset();
m_startup.reset();
m_nullFocus.reset();
m_syncAlarmFilter.reset();
m_wasUserInteractionFilter.reset();
m_xStackingQueryTree.reset();
}
Workspace::~Workspace()
{
blockStackingUpdates(true);
cleanupX11();
if (waylandServer()) {
const QList<AbstractClient *> shellClients = waylandServer()->clients();
for (AbstractClient *client : shellClients) {
client->destroyClient();
}
}
// We need a shadow copy because clients get removed as we go through them.
const QList<InternalClient *> internalClients = m_internalClients;
for (InternalClient *client : internalClients) {
client->destroyClient();
}
for (auto it = deleted.begin(); it != deleted.end();) {
Q_EMIT deletedRemoved(*it);
it = deleted.erase(it);
}
delete RuleBook::self();
kwinApp()->config()->sync();
delete Placement::self();
delete client_keys_dialog;
qDeleteAll(session);
_self = nullptr;
}
void Workspace::setupClientConnections(AbstractClient *c)
{
connect(c, &AbstractClient::desktopPresenceChanged, this, &Workspace::desktopPresenceChanged);
connect(c, &AbstractClient::minimizedChanged, this, std::bind(&Workspace::clientMinimizedChanged, this, c));
}
void Workspace::constrain(AbstractClient *below, AbstractClient *above)
{
if (below == above) {
return;
}
QList<Constraint *> parents;
QList<Constraint *> children;
for (Constraint *constraint : qAsConst(m_constraints)) {
if (constraint->below == below && constraint->above == above) {
return;
}
if (constraint->below == above) {
children << constraint;
} else if (constraint->above == below) {
parents << constraint;
}
}
Constraint *constraint = new Constraint();
constraint->parents = parents;
constraint->below = below;
constraint->above = above;
constraint->children = children;
m_constraints << constraint;
for (Constraint *parent : qAsConst(parents)) {
parent->children << constraint;
}
for (Constraint *child : qAsConst(children)) {
child->parents << constraint;
}
updateStackingOrder();
}
void Workspace::unconstrain(AbstractClient *below, AbstractClient *above)
{
Constraint *constraint = nullptr;
for (int i = 0; i < m_constraints.count(); ++i) {
if (m_constraints[i]->below == below && m_constraints[i]->above == above) {
constraint = m_constraints.takeAt(i);
break;
}
}
if (!constraint) {
return;
}
const QList<Constraint *> parents = constraint->parents;
for (Constraint *parent : parents) {
parent->children.removeOne(constraint);
}
const QList<Constraint *> children = constraint->children;
for (Constraint *child : children) {
child->parents.removeOne(constraint);
}
delete constraint;
updateStackingOrder();
}
void Workspace::addToStack(Toplevel *toplevel)
{
// If the stacking order of a window has been restored from the session, that
// toplevel will already be in the stack when Workspace::addClient() is called.
if (!unconstrained_stacking_order.contains(toplevel)) {
unconstrained_stacking_order.append(toplevel);
}
if (!stacking_order.contains(toplevel)) {
stacking_order.append(toplevel);
}
}
void Workspace::replaceInStack(Toplevel *original, Deleted *deleted)
{
const int unconstraintedIndex = unconstrained_stacking_order.indexOf(original);
if (unconstraintedIndex != -1) {
unconstrained_stacking_order.replace(unconstraintedIndex, deleted);
} else {
// This can be the case only if an override-redirect window is unmapped.
unconstrained_stacking_order.append(deleted);
}
const int index = stacking_order.indexOf(original);
if (index != -1) {
stacking_order.replace(index, deleted);
} else {
// This can be the case only if an override-redirect window is unmapped.
stacking_order.append(deleted);
}
for (Constraint *constraint : qAsConst(m_constraints)) {
if (constraint->below == original) {
constraint->below = deleted;
} else if (constraint->above == original) {
constraint->above = deleted;
}
}
}
void Workspace::removeFromStack(Toplevel *toplevel)
{
unconstrained_stacking_order.removeAll(toplevel);
stacking_order.removeAll(toplevel);
for (int i = m_constraints.count() - 1; i >= 0; --i) {
Constraint *constraint = m_constraints[i];
const bool isBelow = (constraint->below == toplevel);
const bool isAbove = (constraint->above == toplevel);
if (!isBelow && !isAbove) {
continue;
}
if (isBelow) {
for (Constraint *child : qAsConst(constraint->children)) {
child->parents.removeOne(constraint);
}
} else {
for (Constraint *parent : qAsConst(constraint->parents)) {
parent->children.removeOne(constraint);
}
}
delete m_constraints.takeAt(i);
}
}
X11Client *Workspace::createClient(xcb_window_t w, bool is_mapped)
{
StackingUpdatesBlocker blocker(this);
X11Client *c = nullptr;
if (kwinApp()->operationMode() == Application::OperationModeX11) {
c = new X11Client();
} else {
c = new XwaylandClient();
}
setupClientConnections(c);
if (X11Compositor *compositor = X11Compositor::self()) {
connect(c, &X11Client::blockingCompositingChanged, compositor, &X11Compositor::updateClientCompositeBlocking);
}
connect(c, &X11Client::clientFullScreenSet, ScreenEdges::self(), &ScreenEdges::checkBlocking);
if (!c->manage(w, is_mapped)) {
X11Client::deleteClient(c);
return nullptr;
}
addClient(c);
return c;
}
Unmanaged* Workspace::createUnmanaged(xcb_window_t w)
{
if (X11Compositor *compositor = X11Compositor::self()) {
if (compositor->checkForOverlayWindow(w)) {
return nullptr;
}
}
Unmanaged* c = new Unmanaged();
if (!c->track(w)) {
Unmanaged::deleteUnmanaged(c);
return nullptr;
}
addUnmanaged(c);
Q_EMIT unmanagedAdded(c);
return c;
}
void Workspace::addClient(X11Client *c)
{
Group* grp = findGroup(c->window());
Q_EMIT clientAdded(c);
if (grp != nullptr)
grp->gotLeader(c);
if (c->isDesktop()) {
if (active_client == nullptr && should_get_focus.isEmpty() && c->isOnCurrentDesktop())
requestFocus(c); // TODO: Make sure desktop is active after startup if there's no other window active
} else {
FocusChain::self()->update(c, FocusChain::Update);
}
m_x11Clients.append(c);
m_allClients.append(c);
addToStack(c);
markXStackingOrderAsDirty();
updateClientArea(); // This cannot be in manage(), because the client got added only now
c->updateLayer();
if (c->isDesktop()) {
raiseClient(c);
// If there's no active client, make this desktop the active one
if (activeClient() == nullptr && should_get_focus.count() == 0)
activateClient(findDesktop(true, VirtualDesktopManager::self()->currentDesktop()));
}
c->checkActiveModal();
checkTransients(c->window()); // SELI TODO: Does this really belong here?
updateStackingOrder(true); // Propagate new client
if (c->isUtility() || c->isMenu() || c->isToolbar())
updateToolWindows(true);
updateTabbox();
}
void Workspace::addUnmanaged(Unmanaged* c)
{
m_unmanaged.append(c);
markXStackingOrderAsDirty();
}
/**
* Destroys the client \a c
*/
void Workspace::removeX11Client(X11Client *c)
{
if (c == active_popup_client)
closeActivePopup();
if (m_userActionsMenu->isMenuClient(c)) {
m_userActionsMenu->close();
}
Q_ASSERT(m_x11Clients.contains(c));
// TODO: if marked client is removed, notify the marked list
m_x11Clients.removeAll(c);
Group* group = findGroup(c->window());
if (group != nullptr)
group->lostLeader();
removeAbstractClient(c);
}
void Workspace::removeUnmanaged(Unmanaged* c)
{
Q_ASSERT(m_unmanaged.contains(c));
m_unmanaged.removeAll(c);
Q_EMIT unmanagedRemoved(c);
markXStackingOrderAsDirty();
}
void Workspace::addDeleted(Deleted* c, Toplevel *orig)
{
Q_ASSERT(!deleted.contains(c));
deleted.append(c);
replaceInStack(orig, c);
markXStackingOrderAsDirty();
}
void Workspace::removeDeleted(Deleted* c)
{
Q_ASSERT(deleted.contains(c));
Q_EMIT deletedRemoved(c);
deleted.removeAll(c);
removeFromStack(c);
markXStackingOrderAsDirty();
if (!c->wasClient()) {
return;
}
if (X11Compositor *compositor = X11Compositor::self()) {
compositor->updateClientCompositeBlocking();
}
}
void Workspace::addShellClient(AbstractClient *client)
{
setupClientConnections(client);
client->updateLayer();
if (client->isPlaceable()) {
const QRect area = clientArea(PlacementArea, client, activeOutput());
bool placementDone = false;
if (client->isRequestedFullScreen()) {
placementDone = true;
}
if (client->maximizeMode() == MaximizeMode::MaximizeFull) {
placementDone = true;
}
if (client->rules()->checkPosition(invalidPoint, true) != invalidPoint) {
placementDone = true;
}
if (!placementDone) {
client->placeIn(area);
}
}
m_allClients.append(client);
addToStack(client);
markXStackingOrderAsDirty();
updateStackingOrder(true);
updateClientArea();
if (client->wantsInput() && !client->isMinimized()) {
activateClient(client);
}
updateTabbox();
connect(client, &AbstractClient::windowShown, this, [this, client] {
client->updateLayer();
markXStackingOrderAsDirty();
updateStackingOrder(true);
updateClientArea();
if (client->wantsInput()) {
activateClient(client);
}
});
connect(client, &AbstractClient::windowHidden, this, [this] {
// TODO: update tabbox if it's displayed
markXStackingOrderAsDirty();
updateStackingOrder(true);
updateClientArea();
});
Q_EMIT clientAdded(client);
}
void Workspace::removeShellClient(AbstractClient *client)
{
clientHidden(client);
removeAbstractClient(client);
}
void Workspace::removeAbstractClient(AbstractClient *client)
{
m_allClients.removeAll(client);
if (client == delayfocus_client) {
cancelDelayFocus();
}
attention_chain.removeAll(client);
should_get_focus.removeAll(client);
if (client == active_client) {
active_client = nullptr;
}
if (client == last_active_client) {
last_active_client = nullptr;
}
if (client_keys_client == client) {
setupWindowShortcutDone(false);
}
if (!client->shortcut().isEmpty()) {
client->setShortcut(QString()); // Remove from client_keys
clientShortcutUpdated(client); // Needed, since this is otherwise delayed by setShortcut() and wouldn't run
}
Q_EMIT clientRemoved(client);
markXStackingOrderAsDirty();
updateStackingOrder(true);
updateClientArea();
updateTabbox();
}
void Workspace::updateToolWindows(bool also_hide)
{
// TODO: What if Client's transiency/group changes? should this be called too? (I'm paranoid, am I not?)
if (!options->isHideUtilityWindowsForInactive()) {
for (auto it = m_x11Clients.constBegin(); it != m_x11Clients.constEnd(); ++it)
(*it)->hideClient(false);
return;
}
const Group* group = nullptr;
auto client = active_client;
// Go up in transiency hiearchy, if the top is found, only tool transients for the top mainwindow
// will be shown; if a group transient is group, all tools in the group will be shown
while (client != nullptr) {
if (!client->isTransient())
break;
if (client->groupTransient()) {
group = client->group();
break;
}
client = client->transientFor();
}
// Use stacking order only to reduce flicker, it doesn't matter if block_stacking_updates == 0,
// I.e. if it's not up to date
// SELI TODO: But maybe it should - what if a new client has been added that's not in stacking order yet?
QVector<AbstractClient*> to_show, to_hide;
for (auto it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it) {
auto c = qobject_cast<AbstractClient*>(*it);
if (!c) {
continue;
}
if (c->isUtility() || c->isMenu() || c->isToolbar()) {
bool show = true;
if (!c->isTransient()) {
if (!c->group() || c->group()->members().count() == 1) // Has its own group, keep always visible
show = true;
else if (client != nullptr && c->group() == client->group())
show = true;
else
show = false;
} else {
if (group != nullptr && c->group() == group)
show = true;
else if (client != nullptr && client->hasTransient(c, true))
show = true;
else
show = false;
}
if (!show && also_hide) {
const auto mainclients = c->mainClients();
// Don't hide utility windows which are standalone(?) or
// have e.g. kicker as mainwindow
if (mainclients.isEmpty())
show = true;
for (auto it2 = mainclients.constBegin();
it2 != mainclients.constEnd();
++it2) {
if ((*it2)->isSpecialWindow())
show = true;
}
if (!show)
to_hide.append(c);
}
if (show)
to_show.append(c);
}
} // First show new ones, then hide
for (int i = to_show.size() - 1;
i >= 0;
--i) // From topmost
// TODO: Since this is in stacking order, the order of taskbar entries changes :(
to_show.at(i)->hideClient(false);
if (also_hide) {
for (auto it = to_hide.constBegin();
it != to_hide.constEnd();
++it) // From bottommost
(*it)->hideClient(true);
updateToolWindowsTimer.stop();
} else // setActiveClient() is after called with NULL client, quickly followed
// by setting a new client, which would result in flickering
resetUpdateToolWindowsTimer();
}
void Workspace::resetUpdateToolWindowsTimer()
{
updateToolWindowsTimer.start(200);
}
void Workspace::slotUpdateToolWindows()
{
updateToolWindows(true);
}
void Workspace::slotReloadConfig()
{
reconfigure();
}
void Workspace::reconfigure()
{
reconfigureTimer.start(200);
}
/**
* Reread settings
*/
void Workspace::slotReconfigure()
{
qCDebug(KWIN_CORE) << "Workspace::slotReconfigure()";
reconfigureTimer.stop();
bool borderlessMaximizedWindows = options->borderlessMaximizedWindows();
kwinApp()->config()->reparseConfiguration();
options->updateSettings();
Q_EMIT configChanged();
m_userActionsMenu->discard();
updateToolWindows(true);
RuleBook::self()->load();
for (AbstractClient *client : qAsConst(m_allClients)) {
if (client->supportsWindowRules()) {
client->evaluateWindowRules();
RuleBook::self()->discardUsed(client, false);
}
}
if (borderlessMaximizedWindows != options->borderlessMaximizedWindows() &&
!options->borderlessMaximizedWindows()) {
// in case borderless maximized windows option changed and new option
// is to have borders, we need to unset the borders for all maximized windows
for (auto it = m_allClients.cbegin();
it != m_allClients.cend();
++it) {
if ((*it)->maximizeMode() == MaximizeFull)
(*it)->checkNoBorder();
}
}
}
void Workspace::slotCurrentDesktopChanged(uint oldDesktop, uint newDesktop)
{
closeActivePopup();
++block_focus;
StackingUpdatesBlocker blocker(this);
updateClientVisibilityOnDesktopChange(VirtualDesktopManager::self()->desktopForX11Id(newDesktop));
// Restore the focus on this desktop
--block_focus;
activateClientOnNewDesktop(VirtualDesktopManager::self()->desktopForX11Id(newDesktop));
Q_EMIT currentDesktopChanged(oldDesktop, movingClient);
}
void Workspace::updateClientVisibilityOnDesktopChange(VirtualDesktop *newDesktop)
{
for (auto it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it) {
X11Client *c = qobject_cast<X11Client *>(*it);
if (!c) {
continue;
}
if (!c->isOnDesktop(newDesktop) && c != movingClient && c->isOnCurrentActivity()) {
(c)->updateVisibility();
}
}
// Now propagate the change, after hiding, before showing
if (rootInfo()) {
rootInfo()->setCurrentDesktop(VirtualDesktopManager::self()->current());
}
if (movingClient && !movingClient->isOnDesktop(newDesktop)) {
movingClient->setDesktops({newDesktop});
}
for (int i = stacking_order.size() - 1; i >= 0 ; --i) {
X11Client *c = qobject_cast<X11Client *>(stacking_order.at(i));
if (!c) {
continue;
}
if (c->isOnDesktop(newDesktop) && c->isOnCurrentActivity())
c->updateVisibility();
}
if (showingDesktop()) // Do this only after desktop change to avoid flicker
setShowingDesktop(false);
}
void Workspace::activateClientOnNewDesktop(VirtualDesktop *desktop)
{
AbstractClient* c = nullptr;
if (options->focusPolicyIsReasonable()) {
c = findClientToActivateOnDesktop(desktop);
}
// If "unreasonable focus policy" and active_client is on_all_desktops and
// under mouse (Hence == old_active_client), conserve focus.
// (Thanks to Volker Schatz <V.Schatz at thphys.uni-heidelberg.de>)
else if (active_client && active_client->isShown(true) && active_client->isOnCurrentDesktop())
c = active_client;
if (!c)
c = findDesktop(true, desktop);
if (c != active_client)
setActiveClient(nullptr);
if (c)
requestFocus(c);
else
focusToNull();
}
AbstractClient *Workspace::findClientToActivateOnDesktop(VirtualDesktop *desktop)
{
if (movingClient != nullptr && active_client == movingClient &&
FocusChain::self()->contains(active_client, desktop) &&
active_client->isShown(true) && active_client->isOnCurrentDesktop()) {
// A requestFocus call will fail, as the client is already active
return active_client;
}
// from actiavtion.cpp
if (options->isNextFocusPrefersMouse()) {
auto it = stackingOrder().constEnd();
while (it != stackingOrder().constBegin()) {
AbstractClient *client = qobject_cast<AbstractClient *>(*(--it));
if (!client) {
continue;
}
if (!(client->isShown(false) && client->isOnDesktop(desktop) &&
client->isOnCurrentActivity() && client->isOnActiveOutput()))
continue;
if (client->frameGeometry().contains(Cursors::self()->mouse()->pos())) {
if (!client->isDesktop())
return client;
break; // unconditional break - we do not pass the focus to some client below an unusable one
}
}
}
return FocusChain::self()->getForActivation(desktop);
}
/**
* Updates the current activity when it changes
* do *not* call this directly; it does not set the activity.
*
* Shows/Hides windows according to the stacking order
*/
void Workspace::updateCurrentActivity(const QString &new_activity)
{
#ifdef KWIN_BUILD_ACTIVITIES
if (!Activities::self()) {
return;
}
//closeActivePopup();
++block_focus;
// TODO: Q_ASSERT( block_stacking_updates == 0 ); // Make sure stacking_order is up to date
StackingUpdatesBlocker blocker(this);
// Optimized Desktop switching: unmapping done from back to front
// mapping done from front to back => less exposure events
//Notify::raise((Notify::Event) (Notify::DesktopChange+new_desktop));
for (auto it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it) {
X11Client *c = qobject_cast<X11Client *>(*it);
if (!c) {
continue;
}
if (!c->isOnActivity(new_activity) && c != movingClient && c->isOnCurrentDesktop()) {
c->updateVisibility();
}
}
// Now propagate the change, after hiding, before showing
//rootInfo->setCurrentDesktop( currentDesktop() );
/* TODO someday enable dragging windows to other activities
if ( movingClient && !movingClient->isOnDesktop( new_desktop ))
{
movingClient->setDesktop( new_desktop );
*/
for (int i = stacking_order.size() - 1; i >= 0 ; --i) {
X11Client *c = qobject_cast<X11Client *>(stacking_order.at(i));
if (!c) {
continue;
}
if (c->isOnActivity(new_activity))
c->updateVisibility();
}
//FIXME not sure if I should do this either
if (showingDesktop()) // Do this only after desktop change to avoid flicker
setShowingDesktop(false);
// Restore the focus on this desktop
--block_focus;
AbstractClient* c = nullptr;
//FIXME below here is a lot of focuschain stuff, probably all wrong now
if (options->focusPolicyIsReasonable()) {
// Search in focus chain
c = FocusChain::self()->getForActivation(VirtualDesktopManager::self()->currentDesktop());
}
// If "unreasonable focus policy" and active_client is on_all_desktops and
// under mouse (Hence == old_active_client), conserve focus.
// (Thanks to Volker Schatz <V.Schatz at thphys.uni-heidelberg.de>)
else if (active_client && active_client->isShown(true) && active_client->isOnCurrentDesktop() && active_client->isOnCurrentActivity())
c = active_client;
if (!c)
c = findDesktop(true, VirtualDesktopManager::self()->currentDesktop());
if (c != active_client)
setActiveClient(nullptr);
if (c)
requestFocus(c);
else
focusToNull();
// Not for the very first time, only if something changed and there are more than 1 desktops
//if ( effects != NULL && old_desktop != 0 && old_desktop != new_desktop )
// static_cast<EffectsHandlerImpl*>( effects )->desktopChanged( old_desktop );
if (Compositor::compositing() && m_compositor)
m_compositor->addRepaintFull();
#else
Q_UNUSED(new_activity)
#endif
}
void Workspace::slotOutputEnabled(AbstractOutput *output)
{
if (!m_activeOutput) {
m_activeOutput = output;
}
connect(output, &AbstractOutput::geometryChanged, this, &Workspace::desktopResized);
desktopResized();
}
void Workspace::slotOutputDisabled(AbstractOutput *output)
{
if (m_activeOutput == output) {
m_activeOutput = kwinApp()->platform()->outputAt(output->geometry().center());
}
const auto stack = xStackingOrder();
for (Toplevel *toplevel : stack) {
if (toplevel->output() == output) {
toplevel->setOutput(kwinApp()->platform()->outputAt(toplevel->frameGeometry().center()));
}
}
disconnect(output, &AbstractOutput::geometryChanged, this, &Workspace::desktopResized);
desktopResized();
}
void Workspace::slotDesktopAdded(VirtualDesktop *desktop)
{
FocusChain::self()->addDesktop(desktop);
Placement::self()->reinitCascading(0);
updateClientArea();
}
void Workspace::slotDesktopRemoved(VirtualDesktop *desktop)
{
for (auto it = m_allClients.constBegin(); it != m_allClients.constEnd(); ++it) {
if (!(*it)->desktops().contains(desktop)) {
continue;
}
if ((*it)->desktops().count() > 1) {
(*it)->leaveDesktop(desktop);
} else {
sendClientToDesktop(*it, qMin(desktop->x11DesktopNumber(), VirtualDesktopManager::self()->count()), true);
}
}
updateClientArea();
Placement::self()->reinitCascading(0);
FocusChain::self()->removeDesktop(desktop);
}
void Workspace::selectWmInputEventMask()
{
uint32_t presentMask = 0;
Xcb::WindowAttributes attr(rootWindow());
if (!attr.isNull()) {
presentMask = attr->your_event_mask;
}
Xcb::selectInput(rootWindow(),
presentMask |
XCB_EVENT_MASK_KEY_PRESS |
XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_COLOR_MAP_CHANGE |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
XCB_EVENT_MASK_FOCUS_CHANGE | // For NotifyDetailNone
XCB_EVENT_MASK_EXPOSURE
);
}
/**
* Sends client \a c to desktop \a desk.
*
* Takes care of transients as well.
*/
void Workspace::sendClientToDesktop(AbstractClient* c, int desk, bool dont_activate)
{
if ((desk < 1 && desk != NET::OnAllDesktops) || desk > static_cast<int>(VirtualDesktopManager::self()->count()))
return;
int old_desktop = c->desktop();
const bool wasOnCurrent = c->isOnCurrentDesktop();
c->setDesktop(desk);
if (c->desktop() != desk) // No change or desktop forced
return;
desk = c->desktop(); // Client did range checking
if (c->isOnCurrentDesktop()) {
if (c->wantsTabFocus() && options->focusPolicyIsReasonable() &&
!wasOnCurrent && // for stickyness changes
!dont_activate)
requestFocus(c);
else
restackClientUnderActive(c);
} else
raiseClient(c);
c->checkWorkspacePosition( QRect(), QRect(), VirtualDesktopManager::self()->desktopForX11Id(old_desktop) );
auto transients_stacking_order = ensureStackingOrder(c->transients());
for (auto it = transients_stacking_order.constBegin();
it != transients_stacking_order.constEnd();
++it)
sendClientToDesktop(*it, desk, dont_activate);
updateClientArea();
}
/**
* checks whether the X Window with the input focus is on our X11 screen
* if the window cannot be determined or inspected, resturn depends on whether there's actually
* more than one screen
*
* this is NOT in any way related to XRandR multiscreen
*
*/
extern bool is_multihead; // main.cpp
bool Workspace::isOnCurrentHead()
{
if (!is_multihead) {
return true;
}
Xcb::CurrentInput currentInput;
if (currentInput.window() == XCB_WINDOW_NONE) {
return !is_multihead;
}
Xcb::WindowGeometry geometry(currentInput.window());
if (geometry.isNull()) { // should not happen
return !is_multihead;
}
return rootWindow() == geometry->root;
}
void Workspace::sendClientToOutput(AbstractClient *client, AbstractOutput *output)
{
client->sendToOutput(output);
}
/**
* Delayed focus functions
*/
void Workspace::delayFocus()
{
requestFocus(delayfocus_client);
cancelDelayFocus();
}
void Workspace::requestDelayFocus(AbstractClient* c)
{
delayfocus_client = c;
delete delayFocusTimer;
delayFocusTimer = new QTimer(this);
connect(delayFocusTimer, &QTimer::timeout, this, &Workspace::delayFocus);
delayFocusTimer->setSingleShot(true);
delayFocusTimer->start(options->delayFocusInterval());
}
void Workspace::cancelDelayFocus()
{
delete delayFocusTimer;
delayFocusTimer = nullptr;
}
bool Workspace::checkStartupNotification(xcb_window_t w, KStartupInfoId &id, KStartupInfoData &data)
{
return m_startup->checkStartup(w, id, data) == KStartupInfo::Match;
}
/**
* Puts the focus on a dummy window
* Just using XSetInputFocus() with None would block keyboard input
*/
void Workspace::focusToNull()
{
if (m_nullFocus) {
m_nullFocus->focus();
}
}
void Workspace::setShowingDesktop(bool showing)
{
const bool changed = showing != showing_desktop;
if (rootInfo() && changed) {
rootInfo()->setShowingDesktop(showing);
}
showing_desktop = showing;
AbstractClient *topDesk = nullptr;
{ // for the blocker RAII
StackingUpdatesBlocker blocker(this); // updateLayer & lowerClient would invalidate stacking_order
for (int i = stacking_order.count() - 1; i > -1; --i) {
AbstractClient *c = qobject_cast<AbstractClient*>(stacking_order.at(i));
if (c && c->isOnCurrentDesktop()) {
if (c->isDock()) {
c->updateLayer();
} else if (c->isDesktop() && c->isShown(true)) {
c->updateLayer();
lowerClient(c);
if (!topDesk)
topDesk = c;
if (auto group = c->group()) {
Q_FOREACH (X11Client *cm, group->members()) {
cm->updateLayer();
}
}
}
}
}
} // ~StackingUpdatesBlocker
if (showing_desktop && topDesk) {
requestFocus(topDesk);
} else if (!showing_desktop && changed) {
const auto client = FocusChain::self()->getForActivation(VirtualDesktopManager::self()->currentDesktop());
if (client) {
activateClient(client);
}
}
if (changed)
Q_EMIT showingDesktopChanged(showing);
}
void Workspace::disableGlobalShortcutsForClient(bool disable)
{
if (global_shortcuts_disabled_for_client == disable)
return;
QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.kglobalaccel"),
QStringLiteral("/kglobalaccel"),
QStringLiteral("org.kde.KGlobalAccel"),
QStringLiteral("blockGlobalShortcuts"));
message.setArguments(QList<QVariant>() << disable);
QDBusConnection::sessionBus().asyncCall(message);
global_shortcuts_disabled_for_client = disable;
// Update also Meta+LMB actions etc.
for (auto it = m_x11Clients.constBegin();
it != m_x11Clients.constEnd();
++it)
(*it)->updateMouseGrab();
}
QString Workspace::supportInformation() const
{
QString support;
const QString yes = QStringLiteral("yes\n");
const QString no = QStringLiteral("no\n");
support.append(ki18nc("Introductory text shown in the support information.",
"KWin Support Information:\n"
"The following information should be used when requesting support on e.g. https://forum.kde.org.\n"
"It provides information about the currently running instance, which options are used,\n"
"what OpenGL driver and which effects are running.\n"
"Please post the information provided underneath this introductory text to a paste bin service\n"
"like https://paste.kde.org instead of pasting into support threads.\n").toString());
support.append(QStringLiteral("\n==========================\n\n"));
// all following strings are intended for support. They need to be pasted to e.g forums.kde.org
// it is expected that the support will happen in English language or that the people providing
// help understand English. Because of that all texts are not translated
support.append(QStringLiteral("Version\n"));
support.append(QStringLiteral("=======\n"));
support.append(QStringLiteral("KWin version: "));
support.append(QStringLiteral(KWIN_VERSION_STRING));
support.append(QStringLiteral("\n"));
support.append(QStringLiteral("Qt Version: "));
support.append(QString::fromUtf8(qVersion()));
support.append(QStringLiteral("\n"));
support.append(QStringLiteral("Qt compile version: %1\n").arg(QStringLiteral(QT_VERSION_STR)));
support.append(QStringLiteral("XCB compile version: %1\n\n").arg(QStringLiteral(XCB_VERSION_STRING)));
support.append(QStringLiteral("Operation Mode: "));
switch (kwinApp()->operationMode()) {
case Application::OperationModeX11:
support.append(QStringLiteral("X11 only"));
break;
case Application::OperationModeWaylandOnly:
support.append(QStringLiteral("Wayland Only"));
break;
case Application::OperationModeXwayland:
support.append(QStringLiteral("Xwayland"));
break;
}
support.append(QStringLiteral("\n\n"));
support.append(QStringLiteral("Build Options\n"));
support.append(QStringLiteral("=============\n"));
support.append(QStringLiteral("KWIN_BUILD_DECORATIONS: "));
#ifdef KWIN_BUILD_DECORATIONS
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("KWIN_BUILD_TABBOX: "));
#ifdef KWIN_BUILD_TABBOX
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("KWIN_BUILD_ACTIVITIES: "));
#ifdef KWIN_BUILD_ACTIVITIES
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("HAVE_GBM: "));
#if HAVE_GBM
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("HAVE_EGL_STREAMS: "));
#if HAVE_EGL_STREAMS
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("HAVE_X11_XCB: "));
#if HAVE_X11_XCB
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("HAVE_EPOXY_GLX: "));
#if HAVE_EPOXY_GLX
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("HAVE_WAYLAND_EGL: "));
#if HAVE_WAYLAND_EGL
support.append(yes);
#else
support.append(no);
#endif
support.append(QStringLiteral("\n"));
if (auto c = kwinApp()->x11Connection()) {
support.append(QStringLiteral("X11\n"));
support.append(QStringLiteral("===\n"));
auto x11setup = xcb_get_setup(c);
support.append(QStringLiteral("Vendor: %1\n").arg(QString::fromUtf8(QByteArray::fromRawData(xcb_setup_vendor(x11setup), xcb_setup_vendor_length(x11setup)))));
support.append(QStringLiteral("Vendor Release: %1\n").arg(x11setup->release_number));
support.append(QStringLiteral("Protocol Version/Revision: %1/%2\n").arg(x11setup->protocol_major_version).arg(x11setup->protocol_minor_version));
const auto extensions = Xcb::Extensions::self()->extensions();
for (const auto &e : extensions) {
support.append(QStringLiteral("%1: %2; Version: 0x%3\n")
.arg(QString::fromUtf8(e.name), e.present ? yes.trimmed() : no.trimmed(), QString::number(e.version, 16)));
}
support.append(QStringLiteral("\n"));
}
if (auto bridge = Decoration::DecorationBridge::self()) {
support.append(QStringLiteral("Decoration\n"));
support.append(QStringLiteral("==========\n"));
support.append(bridge->supportInformation());
support.append(QStringLiteral("\n"));
}
support.append(QStringLiteral("Platform\n"));
support.append(QStringLiteral("==========\n"));
support.append(kwinApp()->platform()->supportInformation());
support.append(QStringLiteral("\n"));
const Cursor *cursor = Cursors::self()->mouse();
support.append(QLatin1String("Cursor\n"));
support.append(QLatin1String("======\n"));
support.append(QLatin1String("themeName: ") + cursor->themeName() + QLatin1Char('\n'));
support.append(QLatin1String("themeSize: ") + QString::number(cursor->themeSize()) + QLatin1Char('\n'));
support.append(QLatin1Char('\n'));
support.append(QStringLiteral("Options\n"));
support.append(QStringLiteral("=======\n"));
const QMetaObject *metaOptions = options->metaObject();
auto printProperty = [] (const QVariant &variant) {
if (variant.type() == QVariant::Size) {
const QSize &s = variant.toSize();
return QStringLiteral("%1x%2").arg(s.width()).arg(s.height());
}
if (QLatin1String(variant.typeName()) == QLatin1String("KWin::OpenGLPlatformInterface") ||
QLatin1String(variant.typeName()) == QLatin1String("KWin::Options::WindowOperation")) {
return QString::number(variant.toInt());
}
return variant.toString();
};
for (int i=0; i<metaOptions->propertyCount(); ++i) {
const QMetaProperty property = metaOptions->property(i);
if (QLatin1String(property.name()) == QLatin1String("objectName")) {
continue;
}
support.append(QStringLiteral("%1: %2\n").arg(property.name(), printProperty(options->property(property.name()))));
}
support.append(QStringLiteral("\nScreen Edges\n"));
support.append(QStringLiteral( "============\n"));
const QMetaObject *metaScreenEdges = ScreenEdges::self()->metaObject();
for (int i=0; i<metaScreenEdges->propertyCount(); ++i) {
const QMetaProperty property = metaScreenEdges->property(i);
if (QLatin1String(property.name()) == QLatin1String("objectName")) {
continue;
}
support.append(QStringLiteral("%1: %2\n").arg(property.name(), printProperty(ScreenEdges::self()->property(property.name()))));
}
support.append(QStringLiteral("\nScreens\n"));
support.append(QStringLiteral( "=======\n"));
support.append(QStringLiteral("Multi-Head: "));
if (is_multihead) {
support.append(QStringLiteral("yes\n"));
support.append(QStringLiteral("Head: %1\n").arg(screen_number));
} else {
support.append(QStringLiteral("no\n"));
}
support.append(QStringLiteral("Active screen follows mouse: "));
if (options->activeMouseScreen())
support.append(QStringLiteral(" yes\n"));
else
support.append(QStringLiteral(" no\n"));
const QVector<AbstractOutput *> outputs = kwinApp()->platform()->enabledOutputs();
support.append(QStringLiteral("Number of Screens: %1\n\n").arg(outputs.count()));
for (int i = 0; i < outputs.count(); ++i) {
const auto output = outputs[i];
const QRect geo = outputs[i]->geometry();
support.append(QStringLiteral("Screen %1:\n").arg(i));
support.append(QStringLiteral("---------\n"));
support.append(QStringLiteral("Name: %1\n").arg(output->name()));
support.append(QStringLiteral("Geometry: %1,%2,%3x%4\n")
.arg(geo.x())
.arg(geo.y())
.arg(geo.width())
.arg(geo.height()));
support.append(QStringLiteral("Scale: %1\n").arg(output->scale()));
support.append(QStringLiteral("Refresh Rate: %1\n").arg(output->refreshRate()));
const auto waylandOutput = qobject_cast<AbstractWaylandOutput *>(output);
if (waylandOutput) {
QString vrr = QStringLiteral("incapable");
if (waylandOutput->capabilities() & AbstractWaylandOutput::Capability::Vrr) {
switch (waylandOutput->vrrPolicy()) {
case RenderLoop::VrrPolicy::Never:
vrr = QStringLiteral("never");
break;
case RenderLoop::VrrPolicy::Always:
vrr = QStringLiteral("always");
break;
case RenderLoop::VrrPolicy::Automatic:
vrr = QStringLiteral("automatic");
break;
}
}
support.append(QStringLiteral("Adaptive Sync: %1\n").arg(vrr));
}
}
support.append(QStringLiteral("\nCompositing\n"));
support.append(QStringLiteral( "===========\n"));
if (effects) {
support.append(QStringLiteral("Compositing is active\n"));
switch (effects->compositingType()) {
case OpenGLCompositing: {
GLPlatform *platform = GLPlatform::instance();
if (platform->isGLES()) {
support.append(QStringLiteral("Compositing Type: OpenGL ES 2.0\n"));
} else {
support.append(QStringLiteral("Compositing Type: OpenGL\n"));
}
support.append(QStringLiteral("OpenGL vendor string: ") + QString::fromUtf8(platform->glVendorString()) + QStringLiteral("\n"));
support.append(QStringLiteral("OpenGL renderer string: ") + QString::fromUtf8(platform->glRendererString()) + QStringLiteral("\n"));
support.append(QStringLiteral("OpenGL version string: ") + QString::fromUtf8(platform->glVersionString()) + QStringLiteral("\n"));
support.append(QStringLiteral("OpenGL platform interface: "));
switch (platform->platformInterface()) {
case GlxPlatformInterface:
support.append(QStringLiteral("GLX"));
break;
case EglPlatformInterface:
support.append(QStringLiteral("EGL"));
break;
default:
support.append(QStringLiteral("UNKNOWN"));
}
support.append(QStringLiteral("\n"));
if (platform->supports(LimitedGLSL) || platform->supports(GLSL))
support.append(QStringLiteral("OpenGL shading language version string: ") + QString::fromUtf8(platform->glShadingLanguageVersionString()) + QStringLiteral("\n"));
support.append(QStringLiteral("Driver: ") + GLPlatform::driverToString(platform->driver()) + QStringLiteral("\n"));
if (!platform->isMesaDriver())
support.append(QStringLiteral("Driver version: ") + GLPlatform::versionToString(platform->driverVersion()) + QStringLiteral("\n"));
support.append(QStringLiteral("GPU class: ") + GLPlatform::chipClassToString(platform->chipClass()) + QStringLiteral("\n"));
support.append(QStringLiteral("OpenGL version: ") + GLPlatform::versionToString(platform->glVersion()) + QStringLiteral("\n"));
if (platform->supports(LimitedGLSL) || platform->supports(GLSL))
support.append(QStringLiteral("GLSL version: ") + GLPlatform::versionToString(platform->glslVersion()) + QStringLiteral("\n"));
if (platform->isMesaDriver())
support.append(QStringLiteral("Mesa version: ") + GLPlatform::versionToString(platform->mesaVersion()) + QStringLiteral("\n"));
if (platform->serverVersion() > 0)
support.append(QStringLiteral("X server version: ") + GLPlatform::versionToString(platform->serverVersion()) + QStringLiteral("\n"));
if (platform->kernelVersion() > 0)
support.append(QStringLiteral("Linux kernel version: ") + GLPlatform::versionToString(platform->kernelVersion()) + QStringLiteral("\n"));
support.append(QStringLiteral("Direct rendering: "));
support.append(QStringLiteral("Requires strict binding: "));
if (!platform->isLooseBinding()) {
support.append(QStringLiteral("yes\n"));
} else {
support.append(QStringLiteral("no\n"));
}
support.append(QStringLiteral("GLSL shaders: "));
if (platform->supports(GLSL)) {
if (platform->supports(LimitedGLSL)) {
support.append(QStringLiteral(" limited\n"));
} else {
support.append(QStringLiteral(" yes\n"));
}
} else {
support.append(QStringLiteral(" no\n"));
}
support.append(QStringLiteral("Texture NPOT support: "));
if (platform->supports(TextureNPOT)) {
if (platform->supports(LimitedNPOT)) {
support.append(QStringLiteral(" limited\n"));
} else {
support.append(QStringLiteral(" yes\n"));
}
} else {
support.append(QStringLiteral(" no\n"));
}
support.append(QStringLiteral("Virtual Machine: "));
if (platform->isVirtualMachine()) {
support.append(QStringLiteral(" yes\n"));
} else {
support.append(QStringLiteral(" no\n"));
}
support.append(QStringLiteral("OpenGL 2 Shaders are used\n"));
break;
}
case QPainterCompositing:
support.append("Compositing Type: QPainter\n");
break;
case NoCompositing:
default:
support.append(QStringLiteral("Something is really broken, neither OpenGL nor QPainter is used"));
}
support.append(QStringLiteral("\nLoaded Effects:\n"));
support.append(QStringLiteral( "---------------\n"));
Q_FOREACH (const QString &effect, static_cast<EffectsHandlerImpl*>(effects)->loadedEffects()) {
support.append(effect + QStringLiteral("\n"));
}
support.append(QStringLiteral("\nCurrently Active Effects:\n"));
support.append(QStringLiteral( "-------------------------\n"));
Q_FOREACH (const QString &effect, static_cast<EffectsHandlerImpl*>(effects)->activeEffects()) {
support.append(effect + QStringLiteral("\n"));
}
support.append(QStringLiteral("\nEffect Settings:\n"));
support.append(QStringLiteral( "----------------\n"));
Q_FOREACH (const QString &effect, static_cast<EffectsHandlerImpl*>(effects)->loadedEffects()) {
support.append(static_cast<EffectsHandlerImpl*>(effects)->supportInformation(effect));
support.append(QStringLiteral("\n"));
}
support.append(QLatin1String("\nLoaded Plugins:\n"));
support.append(QLatin1String("---------------\n"));
QStringList loadedPlugins = PluginManager::self()->loadedPlugins();
loadedPlugins.sort();
for (const QString &plugin : qAsConst(loadedPlugins)) {
support.append(plugin + QLatin1Char('\n'));
}
support.append(QLatin1String("\nAvailable Plugins:\n"));
support.append(QLatin1String("------------------\n"));
QStringList availablePlugins = PluginManager::self()->availablePlugins();
availablePlugins.sort();
for (const QString &plugin : qAsConst(availablePlugins)) {
support.append(plugin + QLatin1Char('\n'));
}
} else {
support.append(QStringLiteral("Compositing is not active\n"));
}
return support;
}
X11Client *Workspace::findClient(std::function<bool (const X11Client *)> func) const
{
if (X11Client *ret = Toplevel::findInList(m_x11Clients, func)) {
return ret;
}
return nullptr;
}
AbstractClient *Workspace::findAbstractClient(std::function<bool (const AbstractClient*)> func) const
{
if (AbstractClient *ret = Toplevel::findInList(m_allClients, func)) {
return ret;
}
if (InternalClient *ret = Toplevel::findInList(m_internalClients, func)) {
return ret;
}
return nullptr;
}
AbstractClient *Workspace::findAbstractClient(const QUuid &internalId) const
{
return qobject_cast<AbstractClient *>(findToplevel(internalId));
}
Unmanaged *Workspace::findUnmanaged(std::function<bool (const Unmanaged*)> func) const
{
return Toplevel::findInList(m_unmanaged, func);
}
Unmanaged *Workspace::findUnmanaged(xcb_window_t w) const
{
return findUnmanaged([w](const Unmanaged *u) {
return u->window() == w;
});
}
X11Client *Workspace::findClient(Predicate predicate, xcb_window_t w) const
{
switch (predicate) {
case Predicate::WindowMatch:
return findClient([w](const X11Client *c) {
return c->window() == w;
});
case Predicate::WrapperIdMatch:
return findClient([w](const X11Client *c) {
return c->wrapperId() == w;
});
case Predicate::FrameIdMatch:
return findClient([w](const X11Client *c) {
return c->frameId() == w;
});
case Predicate::InputIdMatch:
return findClient([w](const X11Client *c) {
return c->inputId() == w;
});
}
return nullptr;
}
Toplevel *Workspace::findToplevel(std::function<bool (const Toplevel*)> func) const
{
if (auto *ret = Toplevel::findInList(m_allClients, func)) {
return ret;
}
if (Unmanaged *ret = Toplevel::findInList(m_unmanaged, func)) {
return ret;
}
if (InternalClient *ret = Toplevel::findInList(m_internalClients, func)) {
return ret;
}
return nullptr;
}
Toplevel *Workspace::findToplevel(const QUuid &internalId) const
{
return findToplevel([internalId] (const KWin::Toplevel* l) -> bool {
return internalId == l->internalId();
});
}
void Workspace::forEachToplevel(std::function<void (Toplevel *)> func)
{
std::for_each(m_allClients.constBegin(), m_allClients.constEnd(), func);
std::for_each(deleted.constBegin(), deleted.constEnd(), func);
std::for_each(m_unmanaged.constBegin(), m_unmanaged.constEnd(), func);
std::for_each(m_internalClients.constBegin(), m_internalClients.constEnd(), func);
}
bool Workspace::hasClient(const AbstractClient *c)
{
return findAbstractClient([&c](const AbstractClient *test) {
return test == c;
}) != nullptr;
}
void Workspace::forEachAbstractClient(std::function< void (AbstractClient*) > func)
{
std::for_each(m_allClients.constBegin(), m_allClients.constEnd(), func);
std::for_each(m_internalClients.constBegin(), m_internalClients.constEnd(), func);
}
Toplevel *Workspace::findInternal(QWindow *w) const
{
if (!w) {
return nullptr;
}
if (kwinApp()->operationMode() == Application::OperationModeX11) {
return findUnmanaged(w->winId());
}
for (InternalClient *client : m_internalClients) {
if (client->internalWindow() == w) {
return client;
}
}
return nullptr;
}
void Workspace::markXStackingOrderAsDirty()
{
m_xStackingDirty = true;
if (kwinApp()->x11Connection() && !kwinApp()->isClosingX11Connection()) {
m_xStackingQueryTree.reset(new Xcb::Tree(kwinApp()->x11RootWindow()));
}
}
void Workspace::setWasUserInteraction()
{
if (was_user_interaction) {
return;
}
was_user_interaction = true;
// might be called from within the filter, so delay till we now the filter returned
QTimer::singleShot(0, this,
[this] {
m_wasUserInteractionFilter.reset();
}
);
}
void Workspace::updateTabbox()
{
#ifdef KWIN_BUILD_TABBOX
TabBox::TabBox *tabBox = TabBox::TabBox::self();
if (tabBox->isDisplayed()) {
tabBox->reset(true);
}
#endif
}
void Workspace::addInternalClient(InternalClient *client)
{
m_internalClients.append(client);
addToStack(client);
setupClientConnections(client);
client->updateLayer();
if (client->isPlaceable()) {
const QRect area = clientArea(PlacementArea, client, workspace()->activeOutput());
client->placeIn(area);
}
markXStackingOrderAsDirty();
updateStackingOrder(true);
updateClientArea();
Q_EMIT internalClientAdded(client);
}
void Workspace::removeInternalClient(InternalClient *client)
{
m_internalClients.removeOne(client);
markXStackingOrderAsDirty();
updateStackingOrder(true);
updateClientArea();
Q_EMIT internalClientRemoved(client);
}
Group* Workspace::findGroup(xcb_window_t leader) const
{
Q_ASSERT(leader != XCB_WINDOW_NONE);
for (auto it = groups.constBegin();
it != groups.constEnd();
++it)
if ((*it)->leader() == leader)
return *it;
return nullptr;
}
// Client is group transient, but has no group set. Try to find
// group with windows with the same client leader.
Group* Workspace::findClientLeaderGroup(const X11Client *c) const
{
Group* ret = nullptr;
for (auto it = m_x11Clients.constBegin();
it != m_x11Clients.constEnd();
++it) {
if (*it == c)
continue;
if ((*it)->wmClientLeader() == c->wmClientLeader()) {
if (ret == nullptr || ret == (*it)->group())
ret = (*it)->group();
else {
// There are already two groups with the same client leader.
// This most probably means the app uses group transients without
// setting group for its windows. Merging the two groups is a bad
// hack, but there's no really good solution for this case.
QList<X11Client *> old_group = (*it)->group()->members();
// old_group autodeletes when being empty
for (int pos = 0;
pos < old_group.count();
++pos) {
X11Client *tmp = old_group[ pos ];
if (tmp != c)
tmp->changeClientLeaderGroup(ret);
}
}
}
}
return ret;
}
void Workspace::updateMinimizedOfTransients(AbstractClient* c)
{
// if mainwindow is minimized or shaded, minimize transients too
if (c->isMinimized()) {
for (auto it = c->transients().constBegin();
it != c->transients().constEnd();
++it) {
if ((*it)->isModal())
continue; // there's no reason to hide modal dialogs with the main client
// but to keep them to eg. watch progress or whatever
if (!(*it)->isMinimized()) {
(*it)->minimize();
updateMinimizedOfTransients((*it));
}
}
if (c->isModal()) { // if a modal dialog is minimized, minimize its mainwindow too
Q_FOREACH (AbstractClient * c2, c->mainClients())
c2->minimize();
}
} else {
// else unmiminize the transients
for (auto it = c->transients().constBegin();
it != c->transients().constEnd();
++it) {
if ((*it)->isMinimized()) {
(*it)->unminimize();
updateMinimizedOfTransients((*it));
}
}
if (c->isModal()) {
Q_FOREACH (AbstractClient * c2, c->mainClients())
c2->unminimize();
}
}
}
/**
* Sets the client \a c's transient windows' on_all_desktops property to \a on_all_desktops.
*/
void Workspace::updateOnAllDesktopsOfTransients(AbstractClient* c)
{
for (auto it = c->transients().constBegin();
it != c->transients().constEnd();
++it) {
if ((*it)->isOnAllDesktops() != c->isOnAllDesktops())
(*it)->setOnAllDesktops(c->isOnAllDesktops());
}
}
// A new window has been mapped. Check if it's not a mainwindow for some already existing transient window.
void Workspace::checkTransients(xcb_window_t w)
{
for (auto it = m_x11Clients.constBegin();
it != m_x11Clients.constEnd();
++it)
(*it)->checkTransient(w);
}
/**
* Resizes the workspace after an XRANDR screen size change
*/
void Workspace::desktopResized()
{
const auto outputs = kwinApp()->platform()->enabledOutputs();
m_geometry = QRect();
for (const AbstractOutput *output : outputs) {
m_geometry = m_geometry.united(output->geometry());
}
if (rootInfo()) {
NETSize desktop_geometry;
desktop_geometry.width = m_geometry.width();
desktop_geometry.height = m_geometry.height();
rootInfo()->setDesktopGeometry(desktop_geometry);
}
updateClientArea();
saveOldScreenSizes(); // after updateClientArea(), so that one still uses the previous one
// TODO: emit a signal instead and remove the deep function calls into edges and effects
ScreenEdges::self()->recreateEdges();
}
void Workspace::saveOldScreenSizes()
{
olddisplaysize = m_geometry.size();
oldscreensizes.clear();
const auto outputs = kwinApp()->platform()->enabledOutputs();
for (const AbstractOutput *output : outputs) {
oldscreensizes.append(output->geometry());
}
}
/**
* Whether or not the window has a strut that expands through the invisible area of
* an xinerama setup where the monitors are not the same resolution.
*/
static bool hasOffscreenXineramaStrut(AbstractClient *client)
{
// Get strut as a QRegion
QRegion region;
region += client->strutRect(StrutAreaTop);
region += client->strutRect(StrutAreaRight);
region += client->strutRect(StrutAreaBottom);
region += client->strutRect(StrutAreaLeft);
// Remove all visible areas so that only the invisible remain
const auto outputs = kwinApp()->platform()->enabledOutputs();
for (const AbstractOutput *output : outputs) {
region -= output->geometry();
}
// If there's anything left then we have an offscreen strut
return !region.isEmpty();
}
QRect Workspace::adjustClientArea(AbstractClient *client, const QRect &area) const
{
QRect adjustedArea = area;
QRect strutLeft = client->strutRect(StrutAreaLeft);
QRect strutRight = client->strutRect(StrutAreaRight);
QRect strutTop = client->strutRect(StrutAreaTop);
QRect strutBottom = client->strutRect(StrutAreaBottom);
QRect screenArea = clientArea(ScreenArea, client);
// HACK: workarea handling is not xinerama aware, so if this strut
// reserves place at a xinerama edge that's inside the virtual screen,
// ignore the strut for workspace setting.
if (area == QRect(QPoint(0, 0), m_geometry.size())) {
if (strutLeft.left() < screenArea.left()) {
strutLeft = QRect();
}
if (strutRight.right() > screenArea.right()) {
strutRight = QRect();
}
if (strutTop.top() < screenArea.top()) {
strutTop = QRect();
}
if (strutBottom.bottom() < screenArea.bottom()) {
strutBottom = QRect();
}
}
// Handle struts at xinerama edges that are inside the virtual screen.
// They're given in virtual screen coordinates, make them affect only
// their xinerama screen.
strutLeft.setLeft(qMax(strutLeft.left(), screenArea.left()));
strutRight.setRight(qMin(strutRight.right(), screenArea.right()));
strutTop.setTop(qMax(strutTop.top(), screenArea.top()));
strutBottom.setBottom(qMin(strutBottom.bottom(), screenArea.bottom()));
if (strutLeft.intersects(area)) {
adjustedArea.setLeft(strutLeft.right() + 1);
}
if (strutRight.intersects(area)) {
adjustedArea.setRight(strutRight.left() - 1);
}
if (strutTop.intersects(area)) {
adjustedArea.setTop(strutTop.bottom() + 1);
}
if (strutBottom.intersects(area)) {
adjustedArea.setBottom(strutBottom.top() - 1);
}
return adjustedArea;
}
/**
* Updates the current client areas according to the current clients.
*
* The client area is the area that is available for clients (that
* which is not taken by windows like panels, the top-of-screen menu
* etc).
*
* @see clientArea()
*/
void Workspace::updateClientArea()
{
const QVector<AbstractOutput *> outputs = kwinApp()->platform()->enabledOutputs();
const QVector<VirtualDesktop *> desktops = VirtualDesktopManager::self()->desktops();
QHash<const VirtualDesktop *, QRect> workAreas;
QHash<const VirtualDesktop *, StrutRects> restrictedAreas;
QHash<const VirtualDesktop *, QHash<const AbstractOutput *, QRect>> screenAreas;
for (const VirtualDesktop *desktop : desktops) {
workAreas[desktop] = m_geometry;
for (const AbstractOutput *output : outputs) {
screenAreas[desktop][output] = output->geometry();
}
}
for (AbstractClient *client : qAsConst(m_allClients)) {
if (!client->hasStrut()) {
continue;
}
QRect r = adjustClientArea(client, m_geometry);
// This happens sometimes when the workspace size changes and the
// struted clients haven't repositioned yet
if (!r.isValid()) {
continue;
}
// sanity check that a strut doesn't exclude a complete screen geometry
// this is a violation to EWMH, as KWin just ignores the strut
for (const AbstractOutput *output : outputs) {
if (!r.intersects(output->geometry())) {
qCDebug(KWIN_CORE) << "Adjusted client area would exclude a complete screen, ignore";
r = m_geometry;
break;
}
}
StrutRects strutRegion = client->strutRects();
const QRect clientsScreenRect = client->output()->geometry();
for (auto strut = strutRegion.begin(); strut != strutRegion.end(); strut++) {
*strut = StrutRect((*strut).intersected(clientsScreenRect), (*strut).area());
}
// Ignore offscreen xinerama struts. These interfere with the larger monitors on the setup
// and should be ignored so that applications that use the work area to work out where
// windows can go can use the entire visible area of the larger monitors.
// This goes against the EWMH description of the work area but it is a toss up between
// having unusable sections of the screen (Which can be quite large with newer monitors)
// or having some content appear offscreen (Relatively rare compared to other).
bool hasOffscreenStrut = hasOffscreenXineramaStrut(client);
const auto vds = client->isOnAllDesktops() ? desktops : client->desktops();
for (VirtualDesktop *vd : vds) {
if (!hasOffscreenStrut) {
workAreas[vd] &= r;
}
restrictedAreas[vd] += strutRegion;
for (AbstractOutput *output : outputs) {
const auto geo = screenAreas[vd][output].intersected(adjustClientArea(client, output->geometry()));
// ignore the geometry if it results in the screen getting removed completely
if (!geo.isEmpty()) {
screenAreas[vd][output] = geo;
}
}
}
}
if (m_workAreas != workAreas || m_restrictedAreas != restrictedAreas || m_screenAreas != screenAreas) {
m_workAreas = workAreas;
m_screenAreas = screenAreas;
m_oldRestrictedAreas = m_restrictedAreas;
m_restrictedAreas = restrictedAreas;
if (rootInfo()) {
NETRect r;
for (VirtualDesktop *desktop : desktops) {
const QRect &workArea = m_workAreas[desktop];
r.pos.x = workArea.x();
r.pos.y = workArea.y();
r.size.width = workArea.width();
r.size.height = workArea.height();
rootInfo()->setWorkArea(desktop->x11DesktopNumber(), r);
}
}
for (auto it = m_allClients.constBegin();
it != m_allClients.constEnd();
++it) {
(*it)->checkWorkspacePosition();
}
m_oldRestrictedAreas.clear(); // reset, no longer valid or needed
}
}
/**
* Returns the area available for clients. This is the desktop
* geometry minus windows on the dock. Placement algorithms should
* refer to this rather than Screens::geometry.
*/
QRect Workspace::clientArea(clientAreaOption opt, const AbstractOutput *output, const VirtualDesktop *desktop) const
{
QRect workArea;
const AbstractOutput *effectiveOutput = output;
if (is_multihead) {
effectiveOutput = kwinApp()->platform()->findOutput(screen_number);
}
QRect screenArea = m_screenAreas[desktop][effectiveOutput];
if (screenArea.isNull()) { // screens may be missing during KWin initialization or screen config changes
screenArea = effectiveOutput->geometry();
}
if (is_multihead) {
workArea = m_workAreas[desktop];
if (workArea.isNull()) {
workArea = effectiveOutput->geometry();
}
} else {
workArea = m_workAreas[desktop];
if (workArea.isNull()) {
workArea = QRect(QPoint(0, 0), m_geometry.size());
}
}
switch(opt) {
case MaximizeArea:
case PlacementArea:
return screenArea;
case MaximizeFullArea:
case FullScreenArea:
case MovementArea:
case ScreenArea:
return effectiveOutput->geometry();
case WorkArea:
if (is_multihead)
return screenArea;
else
return workArea;
case FullArea:
return QRect(QPoint(0, 0), m_geometry.size());
default:
Q_UNREACHABLE();
}
}
QRect Workspace::clientArea(clientAreaOption opt, int screen, int desktop) const
{
VirtualDesktop *virtualDesktop;
AbstractOutput *output;
if (desktop == NETWinInfo::OnAllDesktops || desktop == 0) {
virtualDesktop = VirtualDesktopManager::self()->currentDesktop();
} else {
virtualDesktop = VirtualDesktopManager::self()->desktopForX11Id(desktop);
Q_ASSERT(virtualDesktop);
}
output = kwinApp()->platform()->findOutput(screen);
Q_ASSERT(output);
return clientArea(opt, output, virtualDesktop);
}
QRect Workspace::clientArea(clientAreaOption opt, const QPoint& p, int desktop) const
{
return clientArea(opt, screens()->number(p), desktop);
}
QRect Workspace::clientArea(clientAreaOption opt, const Toplevel *window) const
{
return clientArea(opt, window, window->output());
}
QRect Workspace::clientArea(clientAreaOption opt, const Toplevel *window, const AbstractOutput *output) const
{
return clientArea(opt, window, output->geometry().center());
}
QRect Workspace::clientArea(clientAreaOption opt, const Toplevel *window, const QPoint &pos) const
{
return clientArea(opt, screens()->number(pos), window->desktop());
}
QRect Workspace::geometry() const
{
return m_geometry;
}
static QRegion strutsToRegion(StrutAreas areas, const StrutRects &strut)
{
QRegion region;
for (const StrutRect &rect : strut) {
if (areas & rect.area()) {
region += rect;
}
}
return region;
}
QRegion Workspace::restrictedMoveArea(const VirtualDesktop *desktop, StrutAreas areas) const
{
return strutsToRegion(areas, m_restrictedAreas[desktop]);
}
bool Workspace::inUpdateClientArea() const
{
return !m_oldRestrictedAreas.isEmpty();
}
QRegion Workspace::previousRestrictedMoveArea(const VirtualDesktop *desktop, StrutAreas areas) const
{
return strutsToRegion(areas, m_oldRestrictedAreas[desktop]);
}
QVector< QRect > Workspace::previousScreenSizes() const
{
return oldscreensizes;
}
int Workspace::oldDisplayWidth() const
{
return olddisplaysize.width();
}
int Workspace::oldDisplayHeight() const
{
return olddisplaysize.height();
}
AbstractOutput *Workspace::activeOutput() const
{
if (options->activeMouseScreen()) {
return kwinApp()->platform()->outputAt(Cursors::self()->mouse()->pos());
}
AbstractClient *client = Workspace::self()->activeClient();
if (active_client && !client->isOnOutput(m_activeOutput)) {
return client->output();
}
return m_activeOutput;
}
void Workspace::setActiveOutput(AbstractOutput *output)
{
m_activeOutput = output;
}
void Workspace::setActiveOutput(const QPoint &pos)
{
setActiveOutput(kwinApp()->platform()->outputAt(pos));
}
/**
* Client \a c is moved around to position \a pos. This gives the
* workspace the opportunity to interveniate and to implement
* snap-to-windows functionality.
*
* The parameter \a snapAdjust is a multiplier used to calculate the
* effective snap zones. When 1.0, it means that the snap zones will be
* used without change.
*/
QPoint Workspace::adjustClientPosition(AbstractClient* c, QPoint pos, bool unrestricted, double snapAdjust)
{
QSize borderSnapZone(options->borderSnapZone(), options->borderSnapZone());
QRect maxRect;
int guideMaximized = MaximizeRestore;
if (c->maximizeMode() != MaximizeRestore) {
maxRect = clientArea(MaximizeArea, c, pos + c->rect().center());
QRect geo = c->frameGeometry();
if (c->maximizeMode() & MaximizeHorizontal && (geo.x() == maxRect.left() || geo.right() == maxRect.right())) {
guideMaximized |= MaximizeHorizontal;
borderSnapZone.setWidth(qMax(borderSnapZone.width() + 2, maxRect.width() / 16));
}
if (c->maximizeMode() & MaximizeVertical && (geo.y() == maxRect.top() || geo.bottom() == maxRect.bottom())) {
guideMaximized |= MaximizeVertical;
borderSnapZone.setHeight(qMax(borderSnapZone.height() + 2, maxRect.height() / 16));
}
}
if (options->windowSnapZone() || !borderSnapZone.isNull() || options->centerSnapZone()) {
const bool sOWO = options->isSnapOnlyWhenOverlapping();
const AbstractOutput *output = kwinApp()->platform()->outputAt(pos + c->rect().center());
if (maxRect.isNull())
maxRect = clientArea(MovementArea, c, output);
const int xmin = maxRect.left();
const int xmax = maxRect.right() + 1; //desk size
const int ymin = maxRect.top();
const int ymax = maxRect.bottom() + 1;
const int cx(pos.x());
const int cy(pos.y());
const int cw(c->width());
const int ch(c->height());
const int rx(cx + cw);
const int ry(cy + ch); //these don't change
int nx(cx), ny(cy); //buffers
int deltaX(xmax);
int deltaY(ymax); //minimum distance to other clients
int lx, ly, lrx, lry; //coords and size for the comparison client, l
// border snap
const int snapX = borderSnapZone.width() * snapAdjust; //snap trigger
const int snapY = borderSnapZone.height() * snapAdjust;
if (snapX || snapY) {
QRect geo = c->frameGeometry();
QMargins frameMargins = c->frameMargins();
// snap to titlebar / snap to window borders on inner screen edges
AbstractClient::Position titlePos = c->titlebarPosition();
if (frameMargins.left() && (titlePos == AbstractClient::PositionLeft || (c->maximizeMode() & MaximizeHorizontal) ||
screens()->intersecting(geo.translated(maxRect.x() - (frameMargins.left() + geo.x()), 0)) > 1)) {
frameMargins.setLeft(0);
}
if (frameMargins.right() && (titlePos == AbstractClient::PositionRight || (c->maximizeMode() & MaximizeHorizontal) ||
screens()->intersecting(geo.translated(maxRect.right() + frameMargins.right() - geo.right(), 0)) > 1)) {
frameMargins.setRight(0);
}
if (frameMargins.top() && (titlePos == AbstractClient::PositionTop || (c->maximizeMode() & MaximizeVertical) ||
screens()->intersecting(geo.translated(0, maxRect.y() - (frameMargins.top() + geo.y()))) > 1)) {
frameMargins.setTop(0);
}
if (frameMargins.bottom() && (titlePos == AbstractClient::PositionBottom || (c->maximizeMode() & MaximizeVertical) ||
screens()->intersecting(geo.translated(0, maxRect.bottom() + frameMargins.bottom() - geo.bottom())) > 1)) {
frameMargins.setBottom(0);
}
if ((sOWO ? (cx < xmin) : true) && (qAbs(xmin - cx) < snapX)) {
deltaX = xmin - cx;
nx = xmin - frameMargins.left();
}
if ((sOWO ? (rx > xmax) : true) && (qAbs(rx - xmax) < snapX) && (qAbs(xmax - rx) < deltaX)) {
deltaX = rx - xmax;
nx = xmax - cw + frameMargins.right();
}
if ((sOWO ? (cy < ymin) : true) && (qAbs(ymin - cy) < snapY)) {
deltaY = ymin - cy;
ny = ymin - frameMargins.top();
}
if ((sOWO ? (ry > ymax) : true) && (qAbs(ry - ymax) < snapY) && (qAbs(ymax - ry) < deltaY)) {
deltaY = ry - ymax;
ny = ymax - ch + frameMargins.bottom();
}
}
// windows snap
int snap = options->windowSnapZone() * snapAdjust;
if (snap) {
for (auto l = m_allClients.constBegin(); l != m_allClients.constEnd(); ++l) {
if ((*l) == c)
continue;
if ((*l)->isMinimized())
continue; // is minimized
if (!(*l)->isShown(false))
continue;
if (!(*l)->isOnCurrentDesktop())
continue; // wrong virtual desktop
if (!(*l)->isOnCurrentActivity())
continue; // wrong activity
if ((*l)->isDesktop() || (*l)->isSplash() || (*l)->isNotification() ||
(*l)->isCriticalNotification() || (*l)->isOnScreenDisplay())
continue;
lx = (*l)->x();
ly = (*l)->y();
lrx = lx + (*l)->width();
lry = ly + (*l)->height();
if (!(guideMaximized & MaximizeHorizontal) &&
(((cy <= lry) && (cy >= ly)) || ((ry >= ly) && (ry <= lry)) || ((cy <= ly) && (ry >= lry)))) {
if ((sOWO ? (cx < lrx) : true) && (qAbs(lrx - cx) < snap) && (qAbs(lrx - cx) < deltaX)) {
deltaX = qAbs(lrx - cx);
nx = lrx;
}
if ((sOWO ? (rx > lx) : true) && (qAbs(rx - lx) < snap) && (qAbs(rx - lx) < deltaX)) {
deltaX = qAbs(rx - lx);
nx = lx - cw;
}
}
if (!(guideMaximized & MaximizeVertical) &&
(((cx <= lrx) && (cx >= lx)) || ((rx >= lx) && (rx <= lrx)) || ((cx <= lx) && (rx >= lrx)))) {
if ((sOWO ? (cy < lry) : true) && (qAbs(lry - cy) < snap) && (qAbs(lry - cy) < deltaY)) {
deltaY = qAbs(lry - cy);
ny = lry;
}
//if ( (qAbs( ry-ly ) < snap) && (qAbs( ry - ly ) < deltaY ))
if ((sOWO ? (ry > ly) : true) && (qAbs(ry - ly) < snap) && (qAbs(ry - ly) < deltaY)) {
deltaY = qAbs(ry - ly);
ny = ly - ch;
}
}
// Corner snapping
if (!(guideMaximized & MaximizeVertical) && (nx == lrx || nx + cw == lx)) {
if ((sOWO ? (ry > lry) : true) && (qAbs(lry - ry) < snap) && (qAbs(lry - ry) < deltaY)) {
deltaY = qAbs(lry - ry);
ny = lry - ch;
}
if ((sOWO ? (cy < ly) : true) && (qAbs(cy - ly) < snap) && (qAbs(cy - ly) < deltaY)) {
deltaY = qAbs(cy - ly);
ny = ly;
}
}
if (!(guideMaximized & MaximizeHorizontal) && (ny == lry || ny + ch == ly)) {
if ((sOWO ? (rx > lrx) : true) && (qAbs(lrx - rx) < snap) && (qAbs(lrx - rx) < deltaX)) {
deltaX = qAbs(lrx - rx);
nx = lrx - cw;
}
if ((sOWO ? (cx < lx) : true) && (qAbs(cx - lx) < snap) && (qAbs(cx - lx) < deltaX)) {
deltaX = qAbs(cx - lx);
nx = lx;
}
}
}
}
// center snap
snap = options->centerSnapZone() * snapAdjust; //snap trigger
if (snap) {
int diffX = qAbs((xmin + xmax) / 2 - (cx + cw / 2));
int diffY = qAbs((ymin + ymax) / 2 - (cy + ch / 2));
if (diffX < snap && diffY < snap && diffX < deltaX && diffY < deltaY) {
// Snap to center of screen
nx = (xmin + xmax) / 2 - cw / 2;
ny = (ymin + ymax) / 2 - ch / 2;
} else if (options->borderSnapZone()) {
// Enhance border snap
if ((nx == xmin || nx == xmax - cw) && diffY < snap && diffY < deltaY) {
// Snap to vertical center on screen edge
ny = (ymin + ymax) / 2 - ch / 2;
} else if (((unrestricted ? ny == ymin : ny <= ymin) || ny == ymax - ch) &&
diffX < snap && diffX < deltaX) {
// Snap to horizontal center on screen edge
nx = (xmin + xmax) / 2 - cw / 2;
}
}
}
pos = QPoint(nx, ny);
}
return pos;
}
QRect Workspace::adjustClientSize(AbstractClient* c, QRect moveResizeGeom, int mode)
{
//adapted from adjustClientPosition on 29May2004
//this function is called when resizing a window and will modify
//the new dimensions to snap to other windows/borders if appropriate
if (options->windowSnapZone() || options->borderSnapZone()) { // || options->centerSnapZone )
const bool sOWO = options->isSnapOnlyWhenOverlapping();
const QRect maxRect = clientArea(MovementArea, c, c->rect().center());
const int xmin = maxRect.left();
const int xmax = maxRect.right(); //desk size
const int ymin = maxRect.top();
const int ymax = maxRect.bottom();
const int cx(moveResizeGeom.left());
const int cy(moveResizeGeom.top());
const int rx(moveResizeGeom.right());
const int ry(moveResizeGeom.bottom());
int newcx(cx), newcy(cy); //buffers
int newrx(rx), newry(ry);
int deltaX(xmax);
int deltaY(ymax); //minimum distance to other clients
int lx, ly, lrx, lry; //coords and size for the comparison client, l
// border snap
int snap = options->borderSnapZone(); //snap trigger
if (snap) {
deltaX = int(snap);
deltaY = int(snap);
#define SNAP_BORDER_TOP \
if ((sOWO?(newcy<ymin):true) && (qAbs(ymin-newcy)<deltaY)) \
{ \
deltaY = qAbs(ymin-newcy); \
newcy = ymin; \
}
#define SNAP_BORDER_BOTTOM \
if ((sOWO?(newry>ymax):true) && (qAbs(ymax-newry)<deltaY)) \
{ \
deltaY = qAbs(ymax-newcy); \
newry = ymax; \
}
#define SNAP_BORDER_LEFT \
if ((sOWO?(newcx<xmin):true) && (qAbs(xmin-newcx)<deltaX)) \
{ \
deltaX = qAbs(xmin-newcx); \
newcx = xmin; \
}
#define SNAP_BORDER_RIGHT \
if ((sOWO?(newrx>xmax):true) && (qAbs(xmax-newrx)<deltaX)) \
{ \
deltaX = qAbs(xmax-newrx); \
newrx = xmax; \
}
switch(mode) {
case AbstractClient::PositionBottomRight:
SNAP_BORDER_BOTTOM
SNAP_BORDER_RIGHT
break;
case AbstractClient::PositionRight:
SNAP_BORDER_RIGHT
break;
case AbstractClient::PositionBottom:
SNAP_BORDER_BOTTOM
break;
case AbstractClient::PositionTopLeft:
SNAP_BORDER_TOP
SNAP_BORDER_LEFT
break;
case AbstractClient::PositionLeft:
SNAP_BORDER_LEFT
break;
case AbstractClient::PositionTop:
SNAP_BORDER_TOP
break;
case AbstractClient::PositionTopRight:
SNAP_BORDER_TOP
SNAP_BORDER_RIGHT
break;
case AbstractClient::PositionBottomLeft:
SNAP_BORDER_BOTTOM
SNAP_BORDER_LEFT
break;
default:
abort();
break;
}
}
// windows snap
snap = options->windowSnapZone();
if (snap) {
deltaX = int(snap);
deltaY = int(snap);
for (auto l = m_allClients.constBegin(); l != m_allClients.constEnd(); ++l) {
if ((*l)->isOnCurrentDesktop() &&
!(*l)->isMinimized()
&& (*l) != c) {
lx = (*l)->x() - 1;
ly = (*l)->y() - 1;
lrx = (*l)->x() + (*l)->width();
lry = (*l)->y() + (*l)->height();
#define WITHIN_HEIGHT ((( newcy <= lry ) && ( newcy >= ly )) || \
(( newry >= ly ) && ( newry <= lry )) || \
(( newcy <= ly ) && ( newry >= lry )) )
#define WITHIN_WIDTH ( (( cx <= lrx ) && ( cx >= lx )) || \
(( rx >= lx ) && ( rx <= lrx )) || \
(( cx <= lx ) && ( rx >= lrx )) )
#define SNAP_WINDOW_TOP if ( (sOWO?(newcy<lry):true) \
&& WITHIN_WIDTH \
&& (qAbs( lry - newcy ) < deltaY) ) { \
deltaY = qAbs( lry - newcy ); \
newcy=lry; \
}
#define SNAP_WINDOW_BOTTOM if ( (sOWO?(newry>ly):true) \
&& WITHIN_WIDTH \
&& (qAbs( ly - newry ) < deltaY) ) { \
deltaY = qAbs( ly - newry ); \
newry=ly; \
}
#define SNAP_WINDOW_LEFT if ( (sOWO?(newcx<lrx):true) \
&& WITHIN_HEIGHT \
&& (qAbs( lrx - newcx ) < deltaX)) { \
deltaX = qAbs( lrx - newcx ); \
newcx=lrx; \
}
#define SNAP_WINDOW_RIGHT if ( (sOWO?(newrx>lx):true) \
&& WITHIN_HEIGHT \
&& (qAbs( lx - newrx ) < deltaX)) \
{ \
deltaX = qAbs( lx - newrx ); \
newrx=lx; \
}
#define SNAP_WINDOW_C_TOP if ( (sOWO?(newcy<ly):true) \
&& (newcx == lrx || newrx == lx) \
&& qAbs(ly-newcy) < deltaY ) { \
deltaY = qAbs( ly - newcy + 1 ); \
newcy = ly + 1; \
}
#define SNAP_WINDOW_C_BOTTOM if ( (sOWO?(newry>lry):true) \
&& (newcx == lrx || newrx == lx) \
&& qAbs(lry-newry) < deltaY ) { \
deltaY = qAbs( lry - newry - 1 ); \
newry = lry - 1; \
}
#define SNAP_WINDOW_C_LEFT if ( (sOWO?(newcx<lx):true) \
&& (newcy == lry || newry == ly) \
&& qAbs(lx-newcx) < deltaX ) { \
deltaX = qAbs( lx - newcx + 1 ); \
newcx = lx + 1; \
}
#define SNAP_WINDOW_C_RIGHT if ( (sOWO?(newrx>lrx):true) \
&& (newcy == lry || newry == ly) \
&& qAbs(lrx-newrx) < deltaX ) { \
deltaX = qAbs( lrx - newrx - 1 ); \
newrx = lrx - 1; \
}
switch(mode) {
case AbstractClient::PositionBottomRight:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_RIGHT
break;
case AbstractClient::PositionRight:
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_RIGHT
break;
case AbstractClient::PositionBottom:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_C_BOTTOM
break;
case AbstractClient::PositionTopLeft:
SNAP_WINDOW_TOP
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_LEFT
break;
case AbstractClient::PositionLeft:
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_LEFT
break;
case AbstractClient::PositionTop:
SNAP_WINDOW_TOP
SNAP_WINDOW_C_TOP
break;
case AbstractClient::PositionTopRight:
SNAP_WINDOW_TOP
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_RIGHT
break;
case AbstractClient::PositionBottomLeft:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_LEFT
break;
default:
abort();
break;
}
}
}
}
// center snap
//snap = options->centerSnapZone;
//if (snap)
// {
// // Don't resize snap to center as it interferes too much
// // There are two ways of implementing this if wanted:
// // 1) Snap only to the same points that the move snap does, and
// // 2) Snap to the horizontal and vertical center lines of the screen
// }
moveResizeGeom = QRect(QPoint(newcx, newcy), QPoint(newrx, newry));
}
return moveResizeGeom;
}
/**
* Marks the client as being moved or resized by the user.
*/
void Workspace::setMoveResizeClient(AbstractClient *c)
{
Q_ASSERT(!c || !movingClient); // Catch attempts to move a second
// window while still moving the first one.
movingClient = c;
if (movingClient)
++block_focus;
else
--block_focus;
}
// When kwin crashes, windows will not be gravitated back to their original position
// and will remain offset by the size of the decoration. So when restarting, fix this
// (the property with the size of the frame remains on the window after the crash).
void Workspace::fixPositionAfterCrash(xcb_window_t w, const xcb_get_geometry_reply_t *geometry)
{
NETWinInfo i(connection(), w, rootWindow(), NET::WMFrameExtents, NET::Properties2());
NETStrut frame = i.frameExtents();
if (frame.left != 0 || frame.top != 0) {
// left and top needed due to narrowing conversations restrictions in C++11
const uint32_t left = frame.left;
const uint32_t top = frame.top;
const uint32_t values[] = { geometry->x - left, geometry->y - top };
xcb_configure_window(connection(), w, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, values);
}
}
} // namespace
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