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kwin/workspace.h

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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: 2009 Lucas Murray <lmurray@undefinedfire.com>
SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_WORKSPACE_H
#define KWIN_WORKSPACE_H
// kwin
#include "options.h"
#include "sm.h"
#include "utils.h"
// Qt
#include <QTimer>
#include <QVector>
// std
#include <functional>
#include <memory>
class KConfig;
class KConfigGroup;
class KStartupInfo;
class KStartupInfoData;
class KStartupInfoId;
class QStringList;
namespace KWin
{
namespace Xcb
{
class Tree;
class Window;
}
class AbstractClient;
class ColorMapper;
class Compositor;
class Deleted;
class Group;
class InternalClient;
class KillWindow;
class ShortcutDialog;
class Toplevel;
class Unmanaged;
class UserActionsMenu;
class X11Client;
class X11EventFilter;
enum class Predicate;
class X11EventFilterContainer : public QObject
{
Q_OBJECT
public:
explicit X11EventFilterContainer(X11EventFilter *filter);
X11EventFilter *filter() const;
private:
X11EventFilter *m_filter;
};
class KWIN_EXPORT Workspace : public QObject
{
Q_OBJECT
public:
explicit Workspace();
~Workspace() override;
static Workspace* self() {
return _self;
}
bool workspaceEvent(xcb_generic_event_t*);
bool workspaceEvent(QEvent*);
bool hasClient(const X11Client *);
bool hasClient(const AbstractClient*);
/**
* @brief Finds the first Client matching the condition expressed by passed in @p func.
*
* Internally findClient uses the std::find_if algorithm and that determines how the function
* needs to be implemented. An example usage for finding a Client with a matching windowId
* @code
* xcb_window_t w; // our test window
* X11Client *client = findClient([w](const X11Client *c) -> bool {
* return c->window() == w;
* });
* @endcode
*
* For the standard cases of matching the window id with one of the Client's windows use
* the simplified overload method findClient(Predicate, xcb_window_t). Above example
* can be simplified to:
* @code
* xcb_window_t w; // our test window
* X11Client *client = findClient(Predicate::WindowMatch, w);
* @endcode
*
* @param func Unary function that accepts a X11Client *as argument and
* returns a value convertible to bool. The value returned indicates whether the
* X11Client *is considered a match in the context of this function.
* The function shall not modify its argument.
* This can either be a function pointer or a function object.
* @return KWin::X11Client *The found Client or @c null
* @see findClient(Predicate, xcb_window_t)
*/
X11Client *findClient(std::function<bool (const X11Client *)> func) const;
AbstractClient *findAbstractClient(std::function<bool (const AbstractClient*)> func) const;
/**
* @brief Finds the Client matching the given match @p predicate for the given window.
*
* @param predicate Which window should be compared
* @param w The window id to test against
* @return KWin::X11Client *The found Client or @c null
* @see findClient(std::function<bool (const X11Client *)>)
*/
X11Client *findClient(Predicate predicate, xcb_window_t w) const;
void forEachClient(std::function<void (X11Client *)> func);
void forEachAbstractClient(std::function<void (AbstractClient*)> func);
Unmanaged *findUnmanaged(std::function<bool (const Unmanaged*)> func) const;
/**
* @brief Finds the Unmanaged with the given window id.
*
* @param w The window id to search for
* @return KWin::Unmanaged* Found Unmanaged or @c null if there is no Unmanaged with given Id.
*/
Unmanaged *findUnmanaged(xcb_window_t w) const;
void forEachUnmanaged(std::function<void (Unmanaged*)> func);
Toplevel *findToplevel(std::function<bool (const Toplevel*)> func) const;
void forEachToplevel(std::function<void (Toplevel *)> func);
Toplevel *findToplevel(const QUuid &internalId) const;
/**
* @brief Finds a Toplevel for the internal window @p w.
*
* Internal window means a window created by KWin itself. On X11 this is an Unmanaged
* and mapped by the window id, on Wayland a XdgShellClient mapped on the internal window id.
*
* @returns Toplevel
*/
Toplevel *findInternal(QWindow *w) const;
QRect clientArea(clientAreaOption, const QPoint& p, int desktop) const;
QRect clientArea(clientAreaOption, const AbstractClient* c) const;
QRect clientArea(clientAreaOption, int screen, int desktop) const;
QRegion restrictedMoveArea(int desktop, StrutAreas areas = StrutAreaAll) const;
bool initializing() const;
/**
* Returns the active client, i.e. the client that has the focus (or None
* if no client has the focus)
*/
AbstractClient* activeClient() const;
/**
* Client that was activated, but it's not yet really activeClient(), because
* we didn't process yet the matching FocusIn event. Used mostly in focus
* stealing prevention code.
*/
AbstractClient* mostRecentlyActivatedClient() const;
AbstractClient* clientUnderMouse(int screen) const;
void activateClient(AbstractClient*, bool force = false);
bool requestFocus(AbstractClient* c, bool force = false);
enum ActivityFlag {
ActivityFocus = 1 << 0, // focus the window
ActivityFocusForce = 1 << 1 | ActivityFocus, // focus even if Dock etc.
ActivityRaise = 1 << 2 // raise the window
};
Q_DECLARE_FLAGS(ActivityFlags, ActivityFlag)
bool takeActivity(AbstractClient* c, ActivityFlags flags);
bool allowClientActivation(const AbstractClient* c, xcb_timestamp_t time = -1U, bool focus_in = false,
bool ignore_desktop = false);
bool restoreFocus();
void gotFocusIn(const AbstractClient*);
void setShouldGetFocus(AbstractClient*);
bool activateNextClient(AbstractClient* c);
bool focusChangeEnabled() {
return block_focus == 0;
}
/**
* Indicates that the client c is being moved or resized by the user.
*/
void setMoveResizeClient(AbstractClient* c);
QRect adjustClientArea(AbstractClient *client, const QRect &area) const;
QPoint adjustClientPosition(AbstractClient* c, QPoint pos, bool unrestricted, double snapAdjust = 1.0);
QRect adjustClientSize(AbstractClient* c, QRect moveResizeGeom, int mode);
void raiseClient(AbstractClient* c, bool nogroup = false);
void lowerClient(AbstractClient* c, bool nogroup = false);
void raiseClientRequest(AbstractClient* c, NET::RequestSource src = NET::FromApplication, xcb_timestamp_t timestamp = 0);
void lowerClientRequest(X11Client *c, NET::RequestSource src, xcb_timestamp_t timestamp);
void lowerClientRequest(AbstractClient* c);
void restackClientUnderActive(AbstractClient*);
void restack(AbstractClient *c, AbstractClient *under, bool force = false);
void updateClientLayer(AbstractClient* c);
void raiseOrLowerClient(AbstractClient*);
void resetUpdateToolWindowsTimer();
void restoreSessionStackingOrder(X11Client *c);
void updateStackingOrder(bool propagate_new_clients = false);
void forceRestacking();
void clientHidden(AbstractClient*);
void clientAttentionChanged(AbstractClient* c, bool set);
/**
* @return List of clients currently managed by Workspace
*/
const QList<X11Client *> &clientList() const {
return clients;
}
/**
* @return List of unmanaged "clients" currently registered in Workspace
*/
const QList<Unmanaged *> &unmanagedList() const {
return unmanaged;
}
/**
* @return List of deleted "clients" currently managed by Workspace
*/
const QList<Deleted *> &deletedList() const {
return deleted;
}
/**
* @returns List of all clients (either X11 or Wayland) currently managed by Workspace
*/
const QList<AbstractClient*> allClientList() const {
return m_allClients;
}
/**
* @returns List of all internal clients currently managed by Workspace
*/
const QList<InternalClient *> &internalClients() const {
return m_internalClients;
}
void stackScreenEdgesUnderOverrideRedirect();
SessionManager *sessionManager() const;
public:
QPoint cascadeOffset(const AbstractClient *c) const;
private:
Compositor *m_compositor;
QTimer *m_quickTileCombineTimer;
QuickTileMode m_lastTilingMode;
//-------------------------------------------------
// Unsorted
public:
bool isOnCurrentHead();
// True when performing Workspace::updateClientArea().
// The calls below are valid only in that case.
bool inUpdateClientArea() const;
QRegion previousRestrictedMoveArea(int desktop, StrutAreas areas = StrutAreaAll) const;
QVector< QRect > previousScreenSizes() const;
int oldDisplayWidth() const;
int oldDisplayHeight() const;
/**
* Returns the list of clients sorted in stacking order, with topmost client
* at the last position
*/
const QList<Toplevel *> &stackingOrder() const;
QList<Toplevel *> xStackingOrder() const;
QList<X11Client *> ensureStackingOrder(const QList<X11Client *> &clients) const;
QList<AbstractClient*> ensureStackingOrder(const QList<AbstractClient*> &clients) const;
AbstractClient* topClientOnDesktop(int desktop, int screen, bool unconstrained = false,
bool only_normal = true) const;
AbstractClient* findDesktop(bool topmost, int desktop) const;
void sendClientToDesktop(AbstractClient* c, int desktop, bool dont_activate);
void windowToPreviousDesktop(AbstractClient* c);
void windowToNextDesktop(AbstractClient* c);
void sendClientToScreen(AbstractClient* c, int screen);
void addManualOverlay(xcb_window_t id) {
manual_overlays << id;
}
void removeManualOverlay(xcb_window_t id) {
manual_overlays.removeOne(id);
}
/**
* Shows the menu operations menu for the client and makes it active if
* it's not already.
*/
void showWindowMenu(const QRect& pos, AbstractClient* cl);
const UserActionsMenu *userActionsMenu() const {
return m_userActionsMenu;
}
void showApplicationMenu(const QRect &pos, AbstractClient *c, int actionId);
void updateMinimizedOfTransients(AbstractClient*);
void updateOnAllDesktopsOfTransients(AbstractClient*);
void checkTransients(xcb_window_t w);
void storeSession(const QString &sessionName, SMSavePhase phase);
void storeClient(KConfigGroup &cg, int num, X11Client *c);
void storeSubSession(const QString &name, QSet<QByteArray> sessionIds);
void loadSubSessionInfo(const QString &name);
SessionInfo* takeSessionInfo(X11Client *);
// D-Bus interface
QString supportInformation() const;
void setCurrentScreen(int new_screen);
void setShowingDesktop(bool showing);
bool showingDesktop() const;
void removeClient(X11Client *); // Only called from X11Client::destroyClient() or X11Client::releaseWindow()
void setActiveClient(AbstractClient*);
Group* findGroup(xcb_window_t leader) const;
void addGroup(Group* group);
void removeGroup(Group* group);
Group* findClientLeaderGroup(const X11Client *c) const;
void removeUnmanaged(Unmanaged*); // Only called from Unmanaged::release()
void removeDeleted(Deleted*);
void addDeleted(Deleted*, Toplevel*);
bool checkStartupNotification(xcb_window_t w, KStartupInfoId& id, KStartupInfoData& data);
void focusToNull(); // SELI TODO: Public?
void clientShortcutUpdated(AbstractClient* c);
bool shortcutAvailable(const QKeySequence &cut, AbstractClient* ignore = nullptr) const;
bool globalShortcutsDisabled() const;
void disableGlobalShortcutsForClient(bool disable);
void setWasUserInteraction();
bool wasUserInteraction() const;
int packPositionLeft(const AbstractClient *client, int oldX, bool leftEdge) const;
int packPositionRight(const AbstractClient *client, int oldX, bool rightEdge) const;
int packPositionUp(const AbstractClient *client, int oldY, bool topEdge) const;
int packPositionDown(const AbstractClient *client, int oldY, bool bottomEdge) const;
void cancelDelayFocus();
void requestDelayFocus(AbstractClient*);
/**
* updates the mouse position to track whether a focus follow mouse focus change was caused by
* an actual mouse move
* is esp. called on enter/motion events of inactive windows
* since an active window doesn't receive mouse events, it must also be invoked if a (potentially)
* active window might be moved/resize away from the cursor (causing a leave event)
*/
void updateFocusMousePosition(const QPoint& pos);
QPoint focusMousePosition() const;
/**
* Returns a client that is currently being moved or resized by the user.
*
* If none of clients is being moved or resized, @c null will be returned.
*/
AbstractClient* moveResizeClient() {
return movingClient;
}
/**
* @returns Whether we have a Compositor and it is active (Scene created)
*/
bool compositing() const;
void registerEventFilter(X11EventFilter *filter);
void unregisterEventFilter(X11EventFilter *filter);
void markXStackingOrderAsDirty();
void quickTileWindow(QuickTileMode mode);
enum Direction {
DirectionNorth,
DirectionEast,
DirectionSouth,
DirectionWest
};
void switchWindow(Direction direction);
ShortcutDialog *shortcutDialog() const {
return client_keys_dialog;
}
/**
* Adds the internal client to Workspace.
*
* This method will be called by InternalClient when it's mapped.
*
* @see internalClientAdded
* @internal
*/
void addInternalClient(InternalClient *client);
/**
* Removes the internal client from Workspace.
*
* This method is meant to be called only by InternalClient.
*
* @see internalClientRemoved
* @internal
*/
void removeInternalClient(InternalClient *client);
public Q_SLOTS:
void performWindowOperation(KWin::AbstractClient* c, Options::WindowOperation op);
// Keybindings
//void slotSwitchToWindow( int );
void slotWindowToDesktop(uint i);
//void slotWindowToListPosition( int );
void slotSwitchToScreen();
void slotWindowToScreen();
void slotSwitchToNextScreen();
void slotWindowToNextScreen();
void slotSwitchToPrevScreen();
void slotWindowToPrevScreen();
void slotToggleShowDesktop();
void slotWindowMaximize();
void slotWindowMaximizeVertical();
void slotWindowMaximizeHorizontal();
void slotWindowMinimize();
void slotWindowShade();
void slotWindowRaise();
void slotWindowLower();
void slotWindowRaiseOrLower();
void slotActivateAttentionWindow();
void slotWindowPackLeft();
void slotWindowPackRight();
void slotWindowPackUp();
void slotWindowPackDown();
void slotWindowGrowHorizontal();
void slotWindowGrowVertical();
void slotWindowShrinkHorizontal();
void slotWindowShrinkVertical();
void slotIncreaseWindowOpacity();
void slotLowerWindowOpacity();
void slotWindowOperations();
void slotWindowClose();
void slotWindowMove();
void slotWindowResize();
void slotWindowAbove();
void slotWindowBelow();
void slotWindowOnAllDesktops();
void slotWindowFullScreen();
void slotWindowNoBorder();
void slotWindowToNextDesktop();
void slotWindowToPreviousDesktop();
void slotWindowToDesktopRight();
void slotWindowToDesktopLeft();
void slotWindowToDesktopUp();
void slotWindowToDesktopDown();
void reconfigure();
void slotReconfigure();
void slotKillWindow();
void slotSetupWindowShortcut();
void setupWindowShortcutDone(bool);
void updateClientArea();
private Q_SLOTS:
void desktopResized();
void selectWmInputEventMask();
void slotUpdateToolWindows();
void delayFocus();
void slotReloadConfig();
void updateCurrentActivity(const QString &new_activity);
// virtual desktop handling
void slotDesktopCountChanged(uint previousCount, uint newCount);
void slotCurrentDesktopChanged(uint oldDesktop, uint newDesktop);
Q_SIGNALS:
/**
* Emitted after the Workspace has setup the complete initialization process.
* This can be used to connect to for performing post-workspace initialization.
*/
void workspaceInitialized();
//Signals required for the scripting interface
void desktopPresenceChanged(KWin::AbstractClient*, int);
void currentDesktopChanged(int, KWin::AbstractClient*);
void clientAdded(KWin::AbstractClient *);
void clientRemoved(KWin::AbstractClient*);
void clientActivated(KWin::AbstractClient*);
void clientDemandsAttentionChanged(KWin::AbstractClient*, bool);
void clientMinimizedChanged(KWin::AbstractClient*);
void groupAdded(KWin::Group*);
void unmanagedAdded(KWin::Unmanaged*);
void unmanagedRemoved(KWin::Unmanaged*);
void deletedRemoved(KWin::Deleted*);
void configChanged();
void showingDesktopChanged(bool showing);
/**
* This signels is emitted when ever the stacking order is change, ie. a window is risen
* or lowered
*/
void stackingOrderChanged();
/**
* This signal is emitted whenever an internal client is created.
*/
void internalClientAdded(KWin::InternalClient *client);
/**
* This signal is emitted whenever an internal client gets removed.
*/
void internalClientRemoved(KWin::InternalClient *client);
private:
void init();
void initializeX11();
void cleanupX11();
void initShortcuts();
template <typename Slot>
void initShortcut(const QString &actionName, const QString &description, const QKeySequence &shortcut,
Slot slot, const QVariant &data = QVariant());
template <typename T, typename Slot>
void initShortcut(const QString &actionName, const QString &description, const QKeySequence &shortcut, T *receiver, Slot slot, const QVariant &data = QVariant());
void setupWindowShortcut(AbstractClient* c);
bool switchWindow(AbstractClient *c, Direction direction, QPoint curPos, int desktop);
void propagateClients(bool propagate_new_clients); // Called only from updateStackingOrder
QList<Toplevel *> constrainedStackingOrder();
void raiseClientWithinApplication(AbstractClient* c);
void lowerClientWithinApplication(AbstractClient* c);
bool allowFullClientRaising(const AbstractClient* c, xcb_timestamp_t timestamp);
bool keepTransientAbove(const AbstractClient* mainwindow, const AbstractClient* transient);
bool keepDeletedTransientAbove(const Toplevel *mainWindow, const Deleted *transient) const;
void blockStackingUpdates(bool block);
void updateToolWindows(bool also_hide);
void fixPositionAfterCrash(xcb_window_t w, const xcb_get_geometry_reply_t *geom);
void saveOldScreenSizes();
/// This is the right way to create a new client
X11Client *createClient(xcb_window_t w, bool is_mapped);
void setupClientConnections(AbstractClient *client);
void addClient(X11Client *c);
Unmanaged* createUnmanaged(xcb_window_t w);
void addUnmanaged(Unmanaged* c);
void addShellClient(AbstractClient *client);
void removeShellClient(AbstractClient *client);
//---------------------------------------------------------------------
void closeActivePopup();
void updateClientArea(bool force);
void resetClientAreas(uint desktopCount);
void updateClientVisibilityOnDesktopChange(uint newDesktop);
void activateClientOnNewDesktop(uint desktop);
AbstractClient *findClientToActivateOnDesktop(uint desktop);
QWidget* active_popup;
AbstractClient* active_popup_client;
int m_initialDesktop;
void loadSessionInfo(const QString &sessionName);
void addSessionInfo(KConfigGroup &cg);
QList<SessionInfo*> session;
void updateXStackingOrder();
void updateTabbox();
AbstractClient* active_client;
AbstractClient* last_active_client;
AbstractClient* most_recently_raised; // Used ONLY by raiseOrLowerClient()
AbstractClient* movingClient;
// Delay(ed) window focus timer and client
QTimer* delayFocusTimer;
AbstractClient* delayfocus_client;
QPoint focusMousePos;
QList<X11Client *> clients;
QList<AbstractClient*> m_allClients;
QList<Unmanaged *> unmanaged;
QList<Deleted *> deleted;
QList<InternalClient *> m_internalClients;
QList<Toplevel *> unconstrained_stacking_order; // Topmost last
QList<Toplevel *> stacking_order; // Topmost last
QVector<xcb_window_t> manual_overlays; //Topmost last
bool force_restacking;
QList<Toplevel *> x_stacking; // From XQueryTree()
std::unique_ptr<Xcb::Tree> m_xStackingQueryTree;
bool m_xStackingDirty = false;
QList<AbstractClient*> should_get_focus; // Last is most recent
QList<AbstractClient*> attention_chain;
bool showing_desktop;
QList<Group *> groups;
bool was_user_interaction;
QScopedPointer<X11EventFilter> m_wasUserInteractionFilter;
int session_active_client;
int session_desktop;
int block_focus;
/**
* Holds the menu containing the user actions which is shown
* on e.g. right click the window decoration.
*/
UserActionsMenu *m_userActionsMenu;
void modalActionsSwitch(bool enabled);
ShortcutDialog* client_keys_dialog;
AbstractClient* client_keys_client;
bool global_shortcuts_disabled_for_client;
// Timer to collect requests for 'reconfigure'
QTimer reconfigureTimer;
QTimer updateToolWindowsTimer;
static Workspace* _self;
bool workspaceInit;
QScopedPointer<KStartupInfo> m_startup;
QScopedPointer<ColorMapper> m_colorMapper;
QVector<QRect> workarea; // Array of workareas for virtual desktops
// Array of restricted areas that window cannot be moved into
QVector<StrutRects> restrictedmovearea;
// Array of the previous restricted areas that window cannot be moved into
QVector<StrutRects> oldrestrictedmovearea;
QVector< QVector<QRect> > screenarea; // Array of workareas per xinerama screen for all virtual desktops
QVector< QRect > oldscreensizes; // array of previous sizes of xinerama screens
QSize olddisplaysize; // previous sizes od displayWidth()/displayHeight()
int set_active_client_recursion;
int block_stacking_updates; // When > 0, stacking updates are temporarily disabled
bool blocked_propagating_new_clients; // Propagate also new clients after enabling stacking updates?
QScopedPointer<Xcb::Window> m_nullFocus;
friend class StackingUpdatesBlocker;
QScopedPointer<KillWindow> m_windowKiller;
QList<QPointer<X11EventFilterContainer>> m_eventFilters;
QList<QPointer<X11EventFilterContainer>> m_genericEventFilters;
QScopedPointer<X11EventFilter> m_movingClientFilter;
QScopedPointer<X11EventFilter> m_syncAlarmFilter;
SessionManager *m_sessionManager;
private:
friend bool performTransiencyCheck();
friend Workspace *workspace();
};
/**
* Helper for Workspace::blockStackingUpdates() being called in pairs (True/false)
*/
class StackingUpdatesBlocker
{
public:
explicit StackingUpdatesBlocker(Workspace* w)
: ws(w) {
ws->blockStackingUpdates(true);
}
~StackingUpdatesBlocker() {
ws->blockStackingUpdates(false);
}
private:
Workspace* ws;
};
class ColorMapper : public QObject
{
Q_OBJECT
public:
ColorMapper(QObject *parent);
~ColorMapper() override;
public Q_SLOTS:
void update();
private:
xcb_colormap_t m_default;
xcb_colormap_t m_installed;
};
//---------------------------------------------------------
// Unsorted
inline bool Workspace::initializing() const
{
return workspaceInit;
}
inline AbstractClient *Workspace::activeClient() const
{
return active_client;
}
inline AbstractClient *Workspace::mostRecentlyActivatedClient() const
{
return should_get_focus.count() > 0 ? should_get_focus.last() : active_client;
}
inline void Workspace::addGroup(Group* group)
{
emit groupAdded(group);
groups.append(group);
}
inline void Workspace::removeGroup(Group* group)
{
groups.removeAll(group);
}
inline const QList<Toplevel *> &Workspace::stackingOrder() const
{
// TODO: Q_ASSERT( block_stacking_updates == 0 );
return stacking_order;
}
inline bool Workspace::wasUserInteraction() const
{
return was_user_interaction;
}
inline SessionManager *Workspace::sessionManager() const
{
return m_sessionManager;
}
inline bool Workspace::showingDesktop() const
{
return showing_desktop;
}
inline bool Workspace::globalShortcutsDisabled() const
{
return global_shortcuts_disabled_for_client;
}
inline void Workspace::forceRestacking()
{
force_restacking = true;
StackingUpdatesBlocker blocker(this); // Do restacking if not blocked
}
inline void Workspace::updateFocusMousePosition(const QPoint& pos)
{
focusMousePos = pos;
}
inline QPoint Workspace::focusMousePosition() const
{
return focusMousePos;
}
inline
void Workspace::forEachClient(std::function< void (X11Client *) > func)
{
std::for_each(clients.constBegin(), clients.constEnd(), func);
}
inline
void Workspace::forEachUnmanaged(std::function< void (Unmanaged*) > func)
{
std::for_each(unmanaged.constBegin(), unmanaged.constEnd(), func);
}
inline bool Workspace::hasClient(const X11Client *c)
{
return findClient([c](const X11Client *test) {
return test == c;
});
}
inline Workspace *workspace()
{
return Workspace::_self;
}
} // namespace
Q_DECLARE_OPERATORS_FOR_FLAGS(KWin::Workspace::ActivityFlags)
#endif
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