workspace.h

/*****************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.
 
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
 
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
 
#ifndef KWIN_WORKSPACE_H
#define KWIN_WORKSPACE_H
 
#include <tqtimer.h>
#include <tqvaluevector.h>
#include <tdeshortcut.h>
#include <tqcursor.h>
#include <netwm.h>
#include <kxmessages.h>
 
#include "KWinInterface.h"
#include "utils.h"
#include "kdecoration.h"
#include "sm.h"
 
#include <X11/Xlib.h>
 
class TQPopupMenu;
class TDEConfig;
class TDEGlobalAccel;
class TDEShortcutDialog;
class TDEStartupInfo;
class TDEStartupInfoId;
class TDEStartupInfoData;
class TQSlider;
class TQPushButton;
class TDEProcess;
 
namespace KWinInternal
{
 
class Client;
class TabBox;
class PopupInfo;
class RootInfo;
class PluginMgr;
class Placement;
class Rules;
class WindowRules;
 
class SystemTrayWindow
    {
    public:
        SystemTrayWindow()
            : win(0),winFor(0)
            {}
        SystemTrayWindow( WId w )
            : win(w),winFor(0)
            {}
        SystemTrayWindow( WId w, WId wf  )
            : win(w),winFor(wf)
            {}
 
        bool operator==( const SystemTrayWindow& other )
            { return win == other.win; }
        WId win;
        WId winFor;
    };
 
typedef TQValueList<SystemTrayWindow> SystemTrayWindowList;
 
class Workspace : public TQObject, public KWinInterface, public KDecorationDefines
    {
    TQ_OBJECT
    public:
        Workspace( bool restore = false );
        virtual ~Workspace();
 
        static Workspace * self() { return _self; }
 
        bool workspaceEvent( XEvent * );
 
        KDecoration* createDecoration( KDecorationBridge* bridge );
 
        bool hasClient( const Client * );
 
        template< typename T > Client* findClient( T predicate );
        template< typename T1, typename T2 > void forEachClient( T1 procedure, T2 predicate );
        template< typename T > void forEachClient( T procedure );
 
        TQRect clientArea( clientAreaOption, const TQPoint& p, int desktop ) const;
        TQRect clientArea( clientAreaOption, const Client* c ) const;
        TQRect clientArea( clientAreaOption, int screen, int desktop ) const;
 
        void killWindowId( Window window );
        void suspendWindowId( Window window );
        void resumeWindowId( Window window );
        bool isResumeableWindowID( Window window );
 
        void killWindow() { slotKillWindow(); }
        void suspendWindow() { slotSuspendWindow(); }
        void resumeWindow() { slotResumeWindow(); }
 
        WId rootWin() const;
 
        bool initializing() const;
 
        Client* 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.
        Client* mostRecentlyActivatedClient() const;
 
        void activateClient( Client*, bool force = false  );
        void requestFocus( Client* c, bool force = false );
        void takeActivity( Client* c, int flags, bool handled ); // flags are ActivityFlags
        void handleTakeActivity( Client* c, Time timestamp, int flags ); // flags are ActivityFlags
        bool allowClientActivation( const Client* c, Time time = -1U, bool focus_in = false );
        void restoreFocus();
        void gotFocusIn( const Client* );
        void setShouldGetFocus( Client* );
        bool fakeRequestedActivity( Client* c );
        void unfakeActivity( Client* c );
        bool activateNextClient( Client* c );
        bool focusChangeEnabled() { return block_focus == 0; }
 
        void updateColormap();
 
        void setClientIsMoving( Client *c );
 
        void place( Client *c, TQRect& area );
        void placeSmart( Client* c, const TQRect& area );
 
        TQPoint adjustClientPosition( Client* c, TQPoint pos );
        TQRect adjustClientSize( Client* c, TQRect moveResizeGeom, int mode );
        void raiseClient( Client* c );
        void lowerClient( Client* c );
        void raiseClientRequest( Client* c, NET::RequestSource src, Time timestamp );
        void lowerClientRequest( Client* c, NET::RequestSource src, Time timestamp );
        void restackClientUnderActive( Client* );
        void updateClientLayer( Client* c );
        void raiseOrLowerClient( Client * );
        void reconfigure();
 
        void clientHidden( Client*  );
        void clientAttentionChanged( Client* c, bool set );
 
        void checkActiveBorder(const TQPoint &pos, Time time);
        void reserveActiveBorder(ActiveBorder border);
        void unreserveActiveBorder(ActiveBorder border);
        void reserveActiveBorderSwitching(bool reserve);
 
        int currentDesktop() const;
        int numberOfDesktops() const;
        void setNumberOfDesktops( int n );
 
        int activeScreen() const;
        int numScreens() const;
        void checkActiveScreen( const Client* c );
        void setActiveScreenMouse( TQPoint mousepos );
        TQRect screenGeometry( int screen ) const;
        int screenNumber( TQPoint pos ) const;
 
        TQWidget* desktopWidget();
 
    // for TabBox
        Client* nextFocusChainClient(Client*) const;
        Client* previousFocusChainClient(Client*) const;
        Client* nextStaticClient(Client*) const;
        Client* previousStaticClient(Client*) const;
        int nextDesktopFocusChain( int iDesktop ) const;
        int previousDesktopFocusChain( int iDesktop ) const;
        void closeTabBox();
 
        const ClientList& stackingOrder() const;
 
        ClientList ensureStackingOrder( const ClientList& clients ) const;
 
        Client* topClientOnDesktop( int desktop, bool unconstrained = false, bool only_normal = true ) const;
        Client* findDesktop( bool topmost, int desktop ) const;
        void sendClientToDesktop( Client* c, int desktop, bool dont_activate );
        void windowToPreviousDesktop( Client* c );
        void windowToNextDesktop( Client* c );
        void sendClientToScreen( Client* c, int screen );
 
        void showWindowMenuAt( unsigned long id, int x, int y );
        void showWindowMenu( unsigned long id );
 
        void tileWindowToBorder(unsigned long w1, int location);
        void tileTwoWindowsHorizontally(unsigned long w1, unsigned long w2);
        void tileTwoWindowsVertically(unsigned long w1, unsigned long w2);
        void tileFourWindowsInGrid(unsigned long w1, unsigned long w2, unsigned long w3, unsigned long w4);
        void kDestopResized();
 
        void showWindowMenu( const TQRect &pos, Client* cl );
        void showWindowMenu( int x, int y, Client* cl );
        void showWindowMenu( TQPoint pos, Client* cl );
 
        void updateMinimizedOfTransients( Client* );
        void updateOnAllDesktopsOfTransients( Client* );
        void checkTransients( Window w );
 
        void performWindowOperation( Client* c, WindowOperation op );
 
        void storeSession( TDEConfig* config, SMSavePhase phase );
 
        SessionInfo* takeSessionInfo( Client* );
        WindowRules findWindowRules( const Client*, bool );
        void rulesUpdated();
        void discardUsedWindowRules( Client* c, bool withdraw );
        void disableRulesUpdates( bool disable );
        bool rulesUpdatesDisabled() const;
 
    // dcop interface
        void cascadeDesktop();
        void unclutterDesktop();
        void doNotManage(TQString);
        bool setCurrentDesktop( int new_desktop );
        void updateOverlappingShadows(WId window);
        void setShadowed(WId window, bool shadowed);
        void nextDesktop();
        void previousDesktop();
        void circulateDesktopApplications();
        void setCurrentScreen( int new_screen );
 
        TQString desktopName( int desk ) const;
        virtual void setDesktopLayout(int , int , int );
        void updateDesktopLayout();
        void setShowingDesktop( bool showing );
        void resetShowingDesktop( bool keep_hidden );
        bool showingDesktop() const;
 
        bool isNotManaged( const TQString& title );  // ### setter or getter ?
 
        void sendPingToWindow( Window w, Time timestamp ); // called from Client::pingWindow()
        void sendTakeActivity( Client* c, Time timestamp, long flags ); // called from Client::takeActivity()
 
        bool kompmgrIsRunning();
        void setOpacity(unsigned long winId, unsigned int opacityPercent);
        void setShadowSize(unsigned long winId, unsigned int shadowSizePercent);
        void setUnshadowed(unsigned long winId); // redundant, equals setShadowSize(inId, 0)
 
    // only called from Client::destroyClient() or Client::releaseWindow()
        void removeClient( Client*, allowed_t );
        void setActiveClient( Client*, allowed_t );
        Group* findGroup( Window leader ) const;
        void addGroup( Group* group, allowed_t );
        void removeGroup( Group* group, allowed_t );
        Group* findClientLeaderGroup( const Client* c ) const;
 
        bool checkStartupNotification( Window w, TDEStartupInfoId& id, TDEStartupInfoData& data );
 
        void focusToNull(); // SELI public?
        enum FocusChainChange { FocusChainMakeFirst, FocusChainMakeLast, FocusChainUpdate };
        void updateFocusChains( Client* c, FocusChainChange change );
 
        bool forcedGlobalMouseGrab() const;
        void clientShortcutUpdated( Client* c );
        bool shortcutAvailable( const TDEShortcut& cut, Client* ignore = NULL ) const;
        bool globalShortcutsDisabled() const;
        void disableGlobalShortcuts( bool disable );
        void disableGlobalShortcutsForClient( bool disable );
 
        void sessionSaveStarted();
        void sessionSaveDone();
        void setWasUserInteraction();
        bool wasUserInteraction() const;
        bool sessionSaving() const;
 
        bool managingTopMenus() const;
        int topMenuHeight() const;
        void updateCurrentTopMenu();
 
        int packPositionLeft( const Client* cl, int oldx, bool left_edge ) const;
        int packPositionRight( const Client* cl, int oldx, bool right_edge ) const;
        int packPositionUp( const Client* cl, int oldy, bool top_edge ) const;
        int packPositionDown( const Client* cl, int oldy, bool bottom_edge ) const;
 
        static TQStringList configModules(bool controlCenter);
 
        void cancelDelayFocus();
        void requestDelayFocus( Client* );
        void updateFocusMousePosition( const TQPoint& pos );
        TQPoint focusMousePosition() const;
 
        void toggleTopDockShadows(bool on);
 
    public slots:
        void refresh();
    // keybindings
        void slotSwitchDesktopNext();
        void slotSwitchDesktopPrevious();
        void slotSwitchDesktopRight();
        void slotSwitchDesktopLeft();
        void slotSwitchDesktopUp();
        void slotSwitchDesktopDown();
 
        void slotSwitchToDesktop( int );
    //void slotSwitchToWindow( int );
        void slotWindowToDesktop( int );
    //void slotWindowToListPosition( int );
        void slotSwitchToScreen( int );
        void slotWindowToScreen( int );
        void slotSwitchToNextScreen();
        void slotWindowToNextScreen();
 
        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 slotWalkThroughDesktops();
        void slotWalkBackThroughDesktops();
        void slotWalkThroughApps();
        void slotWalkBackThroughApps();
 
        void slotWalkThroughDesktopList();
        void slotWalkBackThroughDesktopList();
        void slotWalkThroughWindows();
        void slotWalkBackThroughWindows();
 
        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 slotMouseEmulation();
        void slotDisableGlobalShortcuts();
 
        void slotSettingsChanged( int category );
 
        void slotReconfigure();
 
        void slotKillWindow();
        void slotSuspendWindow();
        void slotResumeWindow();
 
        void slotGrabWindow();
        void slotGrabDesktop();
 
        void slotSetupWindowShortcut();
        void setupWindowShortcutDone( bool );
 
        void updateClientArea();
 
        // kompmgr, also dcop
        void startKompmgr();
 
    private slots:
        void desktopPopupAboutToShow();
        void clientPopupAboutToShow();
        void slotSendToDesktop( int );
        void clientPopupActivated( int );
        void configureWM();
        void desktopResized();
        void slotUpdateToolWindows();
        void lostTopMenuSelection();
        void lostTopMenuOwner();
        void delayFocus();
        void gotTemporaryRulesMessage( const TQString& );
        void cleanupTemporaryRules();
        void writeWindowRules();
        void kipcMessage( int id, int data );
        void updateActiveBorders();
        void tileCurrentWindowToBorder(int position);
        // kompmgr
        void setPopupClientTransparancy(int v);
        void resetClientOpacity();
        void setTransButtonText(int value);
        void unblockKompmgrRestart();
        void restartKompmgr( TDEProcess *proc );
        void handleKompmgrOutput( TDEProcess *proc, char *buffer, int buflen);
        void stopKompmgr();
        void killKompmgr();
        void kompmgrReloadSettings();
        // end
 
    protected:
        bool keyPressMouseEmulation( XKeyEvent& ev );
 
    private:
        void init();
        void initShortcuts();
        void readShortcuts();
        void initDesktopPopup();
        void setupWindowShortcut( Client* c );
 
        bool startKDEWalkThroughWindows();
        bool startWalkThroughDesktops( int mode ); // TabBox::Mode::DesktopMode | DesktopListMode
        bool startWalkThroughDesktops();
        bool startWalkThroughDesktopList();
        void KDEWalkThroughWindows( bool forward );
        void CDEWalkThroughWindows( bool forward );
        void walkThroughDesktops( bool forward );
        void KDEOneStepThroughWindows( bool forward );
        void oneStepThroughDesktops( bool forward, int mode ); // TabBox::Mode::DesktopMode | DesktopListMode
        void oneStepThroughDesktops( bool forward );
        void oneStepThroughDesktopList( bool forward );
        bool establishTabBoxGrab();
        void removeTabBoxGrab();
        int desktopToRight( int desktop ) const;
        int desktopToLeft( int desktop ) const;
        int desktopUp( int desktop ) const;
        int desktopDown( int desktop ) const;
 
        void updateStackingOrder( bool propagate_new_clients = false );
        void propagateClients( bool propagate_new_clients ); // called only from updateStackingOrder
        ClientList constrainedStackingOrder();
        void raiseClientWithinApplication( Client* c );
        void lowerClientWithinApplication( Client* c );
        bool allowFullClientRaising( const Client* c, Time timestamp );
        bool keepTransientAbove( const Client* mainwindow, const Client* transient );
        void blockStackingUpdates( bool block );
        void addTopMenu( Client* c );
        void removeTopMenu( Client* c );
        void setupTopMenuHandling();
        void updateTopMenuGeometry( Client* c = NULL );
        void updateToolWindows( bool also_hide );
 
    // this is the right way to create a new client
        Client* createClient( Window w, bool is_mapped );
        void addClient( Client* c, allowed_t );
 
        Window findSpecialEventWindow( XEvent* e );
 
        void randomPlacement(Client* c);
        void smartPlacement(Client* c);
        void cascadePlacement(Client* c, bool re_init = false);
 
        bool addSystemTrayWin( WId w );
        bool removeSystemTrayWin( WId w, bool check );
        void propagateSystemTrayWins();
        SystemTrayWindow findSystemTrayWin( WId w );
 
    // desktop names and number of desktops
        void loadDesktopSettings();
        void saveDesktopSettings();
 
    // mouse emulation
        WId getMouseEmulationWindow();
        enum MouseEmulation { EmuPress, EmuRelease, EmuMove };
        unsigned int sendFakedMouseEvent( TQPoint pos, WId win, MouseEmulation type, int button, unsigned int state ); // returns the new state
 
        void tabBoxKeyPress( const KKeyNative& keyX );
        void tabBoxKeyRelease( const XKeyEvent& ev );
 
    // active borders
        void destroyActiveBorders();
        bool activeBorderEvent(XEvent *e);
        void activeBorderSwitchDesktop(ActiveBorder border, const TQPoint& pos);
 
    // ------------------
 
        void helperDialog( const TQString& message, const Client* c );
 
        void calcDesktopLayout(int &x, int &y) const;
 
        TQPopupMenu* makeTileMenu();
        TQPopupMenu* clientPopup();
        void closeActivePopup();
 
        void updateClientArea( bool force );
 
        SystemTrayWindowList systemTrayWins;
 
        int current_desktop;
        int number_of_desktops;
        TQMemArray<int> desktop_focus_chain;
        int active_screen;
 
        TQWidget* active_popup;
        Client* active_popup_client;
 
        TQWidget* desktop_widget;
 
        void loadSessionInfo();
        void loadWindowRules();
        void editWindowRules( Client* c, bool whole_app );
 
        TQPtrList<SessionInfo> session;
        TQValueList<Rules*> rules;
        KXMessages temporaryRulesMessages;
        TQTimer rulesUpdatedTimer;
        bool rules_updates_disabled;
        static const char* windowTypeToTxt( NET::WindowType type );
        static NET::WindowType txtToWindowType( const char* txt );
        static bool sessionInfoWindowTypeMatch( Client* c, SessionInfo* info );
        static uint percentToUint(int percent);
 
        Client* active_client;
        Client* last_active_client;
        Client* next_active_client; // will be active after active_client deactivates
        Client* most_recently_raised; // used _only_ by raiseOrLowerClient()
        Client* movingClient;
        Client* pending_take_activity;
 
    // delay(ed) window focus timer and client
        TQTimer* delayFocusTimer;
        Client* delayfocus_client;
        TQPoint focusMousePos;
 
        ClientList clients;
        ClientList desktops;
 
        ClientList unconstrained_stacking_order; // topmost last
        ClientList stacking_order; // topmost last
        TQValueVector< ClientList > focus_chain; // currently active last
        ClientList global_focus_chain; // this one is only for things like tabbox's MRU
        ClientList should_get_focus; // last is most recent
        ClientList attention_chain;
 
        bool showing_desktop;
        ClientList showing_desktop_clients;
        int block_showing_desktop;
 
        GroupList groups;
 
        bool was_user_interaction;
        bool session_saving;
        int session_active_client;
        int session_desktop;
 
        bool control_grab;
        bool tab_grab;
    //KKeyNative walkThroughDesktopsKeycode, walkBackThroughDesktopsKeycode;
    //KKeyNative walkThroughDesktopListKeycode, walkBackThroughDesktopListKeycode;
    //KKeyNative walkThroughWindowsKeycode, walkBackThroughWindowsKeycode;
        TDEShortcut cutWalkThroughDesktops, cutWalkThroughDesktopsReverse;
        TDEShortcut cutWalkThroughDesktopList, cutWalkThroughDesktopListReverse;
        TDEShortcut cutWalkThroughWindows, cutWalkThroughWindowsReverse;
        TDEShortcut cutWalkThroughApps, cutWalkThroughAppsReverse;
        bool mouse_emulation;
        unsigned int mouse_emulation_state;
        WId mouse_emulation_window;
        int block_focus;
 
        TabBox* tab_box;
        PopupInfo* popupinfo;
 
        TQPopupMenu *popup;
        TQPopupMenu *advanced_popup;
        TQPopupMenu *desk_popup;
        int desk_popup_index;
        int tile_popup_index;
 
        TDEGlobalAccel *keys;
        TDEGlobalAccel *client_keys;
        ShortcutDialog* client_keys_dialog;
        Client* client_keys_client;
        TDEGlobalAccel *disable_shortcuts_keys;
        bool global_shortcuts_disabled;
        bool global_shortcuts_disabled_for_client;
 
        WId root;
 
        PluginMgr *mgr;
 
        RootInfo *rootInfo;
        TQWidget* supportWindow;
 
    // swallowing
        TQStringList doNotManageList;
 
    // colormap handling
        Colormap default_colormap;
        Colormap installed_colormap;
 
    // Timer to collect requests for 'reconfigure'
        TQTimer reconfigureTimer;
 
        TQTimer updateToolWindowsTimer;
 
        static Workspace *_self;
 
        bool workspaceInit;
 
        TDEStartupInfo* startup;
 
        ActiveBorder active_current_border;
        Window active_windows[ ACTIVE_BORDER_COUNT ];
        int activeLeft;
        int activeRight;
        int activeTop;
        int activeBottom;
        Time active_time_first;
        Time active_time_last;
        Time active_time_last_trigger;
        TQPoint active_push_point;
        int active_reserved[ ACTIVE_BORDER_COUNT ]; // corners/edges used by something
 
        TQt::Orientation layoutOrientation;
        int layoutX;
        int layoutY;
 
        Placement *initPositioning;
 
        TQRect* workarea; //  array of workareas for virtual desktops
        TQRect** screenarea; // array of workareas per xinerama screen for all virtual desktops
 
        bool managing_topmenus;
        TDESelectionOwner* topmenu_selection;
        TDESelectionWatcher* topmenu_watcher;
        ClientList topmenus; // doesn't own them
        mutable int topmenu_height;
        TQWidget* topmenu_space;
 
        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?
        Window null_focus_window;
        bool forced_global_mouse_grab;
        friend class StackingUpdatesBlocker;
        friend class Client;
 
        //kompmgr
        TDEProcess* kompmgr;
        TDESelectionOwner* kompmgr_selection;
        TQTimer *kompmgr_kill_timer;
        bool allowKompmgrRestart;
 
        TQSlider *transSlider;
        TQPushButton *transButton;
        // not used yet
        /*Client* topDock;
        int maximizedWindowCounter;
        int topDockShadowSize;*/
        //end
 
        Window outline_left;
        Window outline_right;
        Window outline_top;
        Window outline_bottom;
     signals:
        void kompmgrStarted();
        void kompmgrStopped();
 
    private:
        friend bool performTransiencyCheck();
    };
 
// helper for Workspace::blockStackingUpdates() being called in pairs (true/false)
class StackingUpdatesBlocker
    {
    public:
        StackingUpdatesBlocker( Workspace* w )
            : ws( w ) { ws->blockStackingUpdates( true ); }
        ~StackingUpdatesBlocker()
            { ws->blockStackingUpdates( false ); }
    private:
        Workspace* ws;
    };
 
// NET WM Protocol handler class
class RootInfo : public NETRootInfo4
    {
    private:
        typedef KWinInternal::Client Client;  // because of NET::Client
    public:
        RootInfo( Workspace* ws, Display *dpy, Window w, const char *name, unsigned long pr[], int pr_num, int scr= -1);
    protected:
        virtual void changeNumberOfDesktops(int n);
        virtual void changeCurrentDesktop(int d);
//    virtual void changeActiveWindow(Window w); the extended version is used
        virtual void changeActiveWindow(Window w,NET::RequestSource src, Time timestamp, Window active_window);
        virtual void closeWindow(Window w);
        virtual void moveResize(Window w, int x_root, int y_root, unsigned long direction);
        virtual void moveResizeWindow(Window w, int flags, int x, int y, int width, int height );
        virtual void gotPing(Window w, Time timestamp);
        virtual void restackWindow(Window w, RequestSource source, Window above, int detail, Time timestamp);
        virtual void gotTakeActivity(Window w, Time timestamp, long flags );
        virtual void changeShowingDesktop( bool showing );
    private:
        Workspace* workspace;
    };
 
 
inline WId Workspace::rootWin() const
    {
    return root;
    }
 
inline bool Workspace::initializing() const
    {
    return workspaceInit;
    }
 
inline Client* Workspace::activeClient() const
    {
    // next_active_client is a kludge for drop shadows. If a window that is
    // activated is not also raised (i.e. when focus follows mouse), then the
    // newly activated window and its shadow won't cover visual artifacts that
    // might exist in the inactive window's shadow. We work around this by
    // (re)drawing the inactive window's shadow after the active window's shadow
    // is drawn, but to do that the inactive window needs to know which window
    // will become active next. next_active_client is a Client pointer for that
    // purpose.
    return next_active_client != NULL ? next_active_client : active_client;
    }
 
inline Client* Workspace::mostRecentlyActivatedClient() const
    {
    return should_get_focus.count() > 0 ? should_get_focus.last() : active_client;
    }
 
inline int Workspace::currentDesktop() const
    {
    return current_desktop;
    }
 
inline int Workspace::numberOfDesktops() const
    {
    return number_of_desktops;
    }
 
inline void Workspace::addGroup( Group* group, allowed_t )
    {
    groups.append( group );
    }
 
inline void Workspace::removeGroup( Group* group, allowed_t )
    {
    groups.remove( group );
    }
 
inline const ClientList& Workspace::stackingOrder() const
    {
// TODO    Q_ASSERT( block_stacking_updates == 0 );
    return stacking_order;
    }
 
inline void Workspace::showWindowMenu(TQPoint pos, Client* cl)
    {
    showWindowMenu(TQRect(pos, pos), cl);
    }
 
inline void Workspace::showWindowMenu(int x, int y, Client* cl)
    {
    showWindowMenu(TQRect(TQPoint(x, y), TQPoint(x, y)), cl);
    }
 
inline
void Workspace::setWasUserInteraction()
    {
    was_user_interaction = true;
    }
 
inline
bool Workspace::wasUserInteraction() const
    {
    return was_user_interaction;
    }
 
inline
bool Workspace::managingTopMenus() const
    {
    return managing_topmenus;
    }
 
inline void Workspace::sessionSaveStarted()
    {
    session_saving = true;
    }
 
inline void Workspace::sessionSaveDone()
    {
    session_saving = false;
    }
 
inline bool Workspace::sessionSaving() const
    {
    return session_saving;
    }
 
inline bool Workspace::forcedGlobalMouseGrab() const
    {
    return forced_global_mouse_grab;
    }
 
inline bool Workspace::showingDesktop() const
    {
    return showing_desktop;
    }
 
inline bool Workspace::globalShortcutsDisabled() const
    {
    return global_shortcuts_disabled || global_shortcuts_disabled_for_client;
    }
 
inline
bool Workspace::rulesUpdatesDisabled() const
    {
    return rules_updates_disabled;
    }
 
inline
void Workspace::updateFocusMousePosition( const TQPoint& pos )
    {
    focusMousePos = pos;
    }
 
inline
TQPoint Workspace::focusMousePosition() const
    {
    return focusMousePos;
    }
 
template< typename T >
inline Client* Workspace::findClient( T predicate )
    {
    if( Client* ret = findClientInList( clients, predicate ))
        return ret;
    if( Client* ret = findClientInList( desktops, predicate ))
        return ret;
    return NULL;
    }
 
template< typename T1, typename T2 >
inline void Workspace::forEachClient( T1 procedure, T2 predicate )
    {
    for ( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it)
        if ( predicate( const_cast< const Client* >( *it)))
            procedure( *it );
    for ( ClientList::ConstIterator it = desktops.begin(); it != desktops.end(); ++it)
        if ( predicate( const_cast< const Client* >( *it)))
            procedure( *it );
    }
 
template< typename T >
inline void Workspace::forEachClient( T procedure )
    {
    return forEachClient( procedure, TruePredicate());
    }
 
KWIN_COMPARE_PREDICATE( ClientMatchPredicate, const Client*, cl == value );
inline bool Workspace::hasClient( const Client* c )
    {
    return findClient( ClientMatchPredicate( c ));
    }
 
} // namespace
 
#endif