Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1571 insertions, 0 deletions

diff --git a/kwin/events.cpp b/kwin/events.cpp
new file mode 100644
index 000000000..039c760b4
--- /dev/null
+++ b/kwin/events.cpp
@@ -0,0 +1,1571 @@
+/*****************************************************************
+ KWin - the KDE window manager
+ This file is part of the KDE project.
+
+Copyright (C) 1999, 2000 Matthias Ettrich <[email protected]>
+Copyright (C) 2003 Lubos Lunak <[email protected]>
+
+You can Freely distribute this program under the GNU General Public
+License. See the file "COPYING" for the exact licensing terms.
+******************************************************************/
+
+/*
+
+ This file contains things relevant to handling incoming events.
+
+*/
+
+#include "client.h"
+#include "workspace.h"
+#include "atoms.h"
+#include "tabbox.h"
+#include "group.h"
+#include "rules.h"
+
+#include <qwhatsthis.h>
+#include <kkeynative.h>
+#include <qapplication.h>
+
+#include <X11/extensions/shape.h>
+#include <X11/Xatom.h>
+#include <stdlib.h>
+
+extern Time qt_x_time;
+extern Atom qt_window_role;
+
+namespace KWinInternal
+{
+
+// ****************************************
+// WinInfo
+// ****************************************
+
+WinInfo::WinInfo( Client * c, Display * display, Window window,
+    Window rwin, const unsigned long pr[], int pr_size )
+    : NETWinInfo( display, window, rwin, pr, pr_size, NET::WindowManager ), m_client( c )
+    {
+    }
+
+void WinInfo::changeDesktop(int desktop)
+    {
+    m_client->workspace()->sendClientToDesktop( m_client, desktop, true );
+    }
+
+void WinInfo::changeState( unsigned long state, unsigned long mask )
+    {
+    mask &= ~NET::Sticky; // KWin doesn't support large desktops, ignore
+    mask &= ~NET::Hidden; // clients are not allowed to change this directly
+    state &= mask; // for safety, clear all other bits
+
+    if(( mask & NET::FullScreen ) != 0 && ( state & NET::FullScreen ) == 0 )
+        m_client->setFullScreen( false, false );
+    if ( (mask & NET::Max) == NET::Max )
+        m_client->setMaximize( state & NET::MaxVert, state & NET::MaxHoriz );
+    else if ( mask & NET::MaxVert )
+        m_client->setMaximize( state & NET::MaxVert, m_client->maximizeMode() & Client::MaximizeHorizontal );
+    else if ( mask & NET::MaxHoriz )
+        m_client->setMaximize( m_client->maximizeMode() & Client::MaximizeVertical, state & NET::MaxHoriz );
+
+    if ( mask & NET::Shaded )
+        m_client->setShade( state & NET::Shaded ? ShadeNormal : ShadeNone );
+    if ( mask & NET::KeepAbove)
+        m_client->setKeepAbove( (state & NET::KeepAbove) != 0 );
+    if ( mask & NET::KeepBelow)
+        m_client->setKeepBelow( (state & NET::KeepBelow) != 0 );
+    if( mask & NET::SkipTaskbar )
+        m_client->setSkipTaskbar( ( state & NET::SkipTaskbar ) != 0, true );
+    if( mask & NET::SkipPager )
+        m_client->setSkipPager( ( state & NET::SkipPager ) != 0 );
+    if( mask & NET::DemandsAttention )
+        m_client->demandAttention(( state & NET::DemandsAttention ) != 0 );
+    if( mask & NET::Modal )
+        m_client->setModal( ( state & NET::Modal ) != 0 );
+    // unsetting fullscreen first, setting it last (because e.g. maximize works only for !isFullScreen() )
+    if(( mask & NET::FullScreen ) != 0 && ( state & NET::FullScreen ) != 0 )
+        m_client->setFullScreen( true, false );
+    }
+
+
+// ****************************************
+// RootInfo
+// ****************************************
+
+RootInfo::RootInfo( Workspace* ws, Display *dpy, Window w, const char *name, unsigned long pr[], int pr_num, int scr )
+    : NETRootInfo4( dpy, w, name, pr, pr_num, scr )
+    {
+    workspace = ws;
+    }
+
+void RootInfo::changeNumberOfDesktops(int n)
+    {
+    workspace->setNumberOfDesktops( n );
+    }
+
+void RootInfo::changeCurrentDesktop(int d)
+    {
+    workspace->setCurrentDesktop( d );
+    }
+
+void RootInfo::changeActiveWindow( Window w, NET::RequestSource src, Time timestamp, Window active_window )
+    {
+    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
+        {
+        if( timestamp == CurrentTime )
+            timestamp = c->userTime();
+        if( src != NET::FromApplication && src != FromTool )
+            src = NET::FromTool;
+        if( src == NET::FromTool )
+            workspace->activateClient( c, true ); // force
+        else // NET::FromApplication
+            {
+            Client* c2;
+            if( workspace->allowClientActivation( c, timestamp ))
+                workspace->activateClient( c );
+            // if activation of the requestor's window would be allowed, allow activation too
+            else if( active_window != None
+                && ( c2 = workspace->findClient( WindowMatchPredicate( active_window ))) != NULL
+                && workspace->allowClientActivation( c2,
+                    timestampCompare( timestamp, c2->userTime() > 0 ? timestamp : c2->userTime())))
+                workspace->activateClient( c );
+            else
+                c->demandAttention();
+            }
+        }
+    }
+
+void RootInfo::restackWindow( Window w, RequestSource src, Window above, int detail, Time timestamp )
+    {
+    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
+        {
+        if( timestamp == CurrentTime )
+            timestamp = c->userTime();
+        if( src != NET::FromApplication && src != FromTool )
+            src = NET::FromTool;
+        c->restackWindow( above, detail, src, timestamp, true );
+        }
+    }
+
+void RootInfo::gotTakeActivity( Window w, Time timestamp, long flags )
+    {
+    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
+        workspace->handleTakeActivity( c, timestamp, flags );
+    }
+
+void RootInfo::closeWindow(Window w)
+    {
+    Client* c = workspace->findClient( WindowMatchPredicate( w ));
+    if ( c )
+        c->closeWindow();
+    }
+
+void RootInfo::moveResize(Window w, int x_root, int y_root, unsigned long direction)
+    {
+    Client* c = workspace->findClient( WindowMatchPredicate( w ));
+    if ( c )
+        {
+        updateXTime(); // otherwise grabbing may have old timestamp - this message should include timestamp
+        c->NETMoveResize( x_root, y_root, (Direction)direction);
+        }
+    }
+
+void RootInfo::moveResizeWindow(Window w, int flags, int x, int y, int width, int height )
+    {
+    Client* c = workspace->findClient( WindowMatchPredicate( w ));
+    if ( c )
+        c->NETMoveResizeWindow( flags, x, y, width, height );
+    }
+
+void RootInfo::gotPing( Window w, Time timestamp )
+    {
+    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
+        c->gotPing( timestamp );
+    }
+
+void RootInfo::changeShowingDesktop( bool showing )
+    {
+    workspace->setShowingDesktop( showing );
+    }
+
+// ****************************************
+// Workspace
+// ****************************************
+
+/*!
+  Handles workspace specific XEvents
+ */
+bool Workspace::workspaceEvent( XEvent * e )
+    {
+    if ( mouse_emulation && (e->type == ButtonPress || e->type == ButtonRelease ) ) 
+        {
+        mouse_emulation = FALSE;
+        XUngrabKeyboard( qt_xdisplay(), qt_x_time );
+        }
+
+    if( e->type == PropertyNotify || e->type == ClientMessage )
+        {
+        unsigned long dirty[ NETRootInfo::PROPERTIES_SIZE ];
+        rootInfo->event( e, dirty, NETRootInfo::PROPERTIES_SIZE );
+        if( dirty[ NETRootInfo::PROTOCOLS ] & NET::DesktopNames )
+            saveDesktopSettings();
+        if( dirty[ NETRootInfo::PROTOCOLS2 ] & NET::WM2DesktopLayout )
+            updateDesktopLayout();
+        }
+
+    // events that should be handled before Clients can get them
+    switch (e->type) 
+        {
+        case ButtonPress:
+        case ButtonRelease:
+            was_user_interaction = true;
+        // fallthrough
+        case MotionNotify:
+            if ( tab_grab || control_grab )
+                {
+                tab_box->handleMouseEvent( e );
+                return TRUE;
+                }
+            break;
+        case KeyPress:
+            {
+            was_user_interaction = true;
+            KKeyNative keyX( (XEvent*)e );
+            uint keyQt = keyX.keyCodeQt();
+            kdDebug(125) << "Workspace::keyPress( " << keyX.key().toString() << " )" << endl;
+            if (movingClient)
+                {
+                movingClient->keyPressEvent(keyQt);
+                return true;
+                }
+            if( tab_grab || control_grab )
+                {
+                tabBoxKeyPress( keyX );
+                return true;
+                }
+            break;
+            }
+        case KeyRelease:
+            was_user_interaction = true;
+            if( tab_grab || control_grab )
+                {
+                tabBoxKeyRelease( e->xkey );
+                return true;
+                }
+            break;
+        };
+
+    if( Client* c = findClient( WindowMatchPredicate( e->xany.window )))
+        {
+        if( c->windowEvent( e ))
+            return true;
+        }
+    else if( Client* c = findClient( WrapperIdMatchPredicate( e->xany.window )))
+        {
+        if( c->windowEvent( e ))
+            return true;
+        }
+    else if( Client* c = findClient( FrameIdMatchPredicate( e->xany.window )))
+        {
+        if( c->windowEvent( e ))
+            return true;
+        }
+    else
+        {
+        Window special = findSpecialEventWindow( e );
+        if( special != None )
+            if( Client* c = findClient( WindowMatchPredicate( special )))
+                {
+                if( c->windowEvent( e ))
+                    return true;
+                }
+        }
+    if( movingClient != NULL && movingClient->moveResizeGrabWindow() == e->xany.window
+        && ( e->type == MotionNotify || e->type == ButtonPress || e->type == ButtonRelease ))
+        {
+        if( movingClient->windowEvent( e ))
+            return true;
+        }
+
+    switch (e->type) 
+        {
+        case CreateNotify:
+            if ( e->xcreatewindow.parent == root &&
+                 !QWidget::find( e->xcreatewindow.window) &&
+                 !e->xcreatewindow.override_redirect )
+            {
+        // see comments for allowClientActivation()
+            XChangeProperty(qt_xdisplay(), e->xcreatewindow.window,
+                            atoms->kde_net_wm_user_creation_time, XA_CARDINAL,
+                            32, PropModeReplace, (unsigned char *)&qt_x_time, 1);
+            }
+        break;
+
+    case UnmapNotify:
+            {
+        // check for system tray windows
+            if ( removeSystemTrayWin( e->xunmap.window, true ) ) 
+                {
+	    // If the system tray gets destroyed, the system tray
+	    // icons automatically get unmapped, reparented and mapped
+	    // again to the closest non-client ancestor due to
+	    // QXEmbed's SaveSet feature. Unfortunatly with kicker
+	    // this closest ancestor is not the root window, but our
+	    // decoration, so we reparent explicitely back to the root
+	    // window.
+                XEvent ev;
+                WId w = e->xunmap.window;
+                if ( XCheckTypedWindowEvent (qt_xdisplay(), w,
+                                             ReparentNotify, &ev) )
+                    {
+                    if ( ev.xreparent.parent != root ) 
+                        {
+                        XReparentWindow( qt_xdisplay(), w, root, 0, 0 );
+                        addSystemTrayWin( w );
+                        }
+                    }
+                return TRUE;
+                }
+
+            return ( e->xunmap.event != e->xunmap.window ); // hide wm typical event from Qt
+            }
+        case MapNotify:
+
+            return ( e->xmap.event != e->xmap.window ); // hide wm typical event from Qt
+
+        case ReparentNotify:
+            {
+        //do not confuse Qt with these events. After all, _we_ are the
+        //window manager who does the reparenting.
+            return TRUE;
+            }
+        case DestroyNotify:
+            {
+            if ( removeSystemTrayWin( e->xdestroywindow.window, false ) )
+                return TRUE;
+            return false;
+            }
+        case MapRequest:
+            {
+            updateXTime();
+
+            // e->xmaprequest.window is different from e->xany.window
+            // TODO this shouldn't be necessary now
+            Client* c = findClient( WindowMatchPredicate( e->xmaprequest.window ));
+            if ( !c ) 
+                {
+// don't check for the parent being the root window, this breaks when some app unmaps
+// a window, changes something and immediately maps it back, without giving KWin
+// a chance to reparent it back to root
+// since KWin can get MapRequest only for root window children and
+// children of WindowWrapper (=clients), the check is AFAIK useless anyway
+// Note: Now the save-set support in Client::mapRequestEvent() actually requires that
+// this code doesn't check the parent to be root.
+//            if ( e->xmaprequest.parent == root ) { //###TODO store previously destroyed client ids
+                if ( addSystemTrayWin( e->xmaprequest.window ) )
+                    return TRUE;
+                c = createClient( e->xmaprequest.window, false );
+                if ( c != NULL && root != qt_xrootwin() ) 
+                    { // TODO what is this?
+                    // TODO may use QWidget::create
+                    XReparentWindow( qt_xdisplay(), c->frameId(), root, 0, 0 );
+                    }
+                if( c == NULL ) // refused to manage, simply map it (most probably override redirect)
+                    XMapRaised( qt_xdisplay(), e->xmaprequest.window );
+                return true;
+                }
+            if( c )
+                {
+                c->windowEvent( e );
+                updateFocusChains( c, FocusChainUpdate );
+                return true;
+                }
+            break;
+            }
+        case EnterNotify:
+            {
+            if ( QWhatsThis::inWhatsThisMode() )
+                {
+                QWidget* w = QWidget::find( e->xcrossing.window );
+                if ( w )
+                    QWhatsThis::leaveWhatsThisMode();
+                }
+            if( electricBorder(e))
+                return true;
+            break;
+            }
+        case LeaveNotify:
+            {
+            if ( !QWhatsThis::inWhatsThisMode() )
+                break;
+            // TODO is this cliente ever found, given that client events are searched above?
+            Client* c = findClient( FrameIdMatchPredicate( e->xcrossing.window ));
+            if ( c && e->xcrossing.detail != NotifyInferior )
+                QWhatsThis::leaveWhatsThisMode();
+            break;
+            }
+        case ConfigureRequest:
+            {
+            if ( e->xconfigurerequest.parent == root ) 
+                {
+                XWindowChanges wc;
+                wc.border_width = e->xconfigurerequest.border_width;
+                wc.x = e->xconfigurerequest.x;
+                wc.y = e->xconfigurerequest.y;
+                wc.width = e->xconfigurerequest.width;
+                wc.height = e->xconfigurerequest.height;
+                wc.sibling = None;
+                wc.stack_mode = Above;
+                unsigned int value_mask = e->xconfigurerequest.value_mask
+                    & ( CWX | CWY | CWWidth | CWHeight | CWBorderWidth );
+                XConfigureWindow( qt_xdisplay(), e->xconfigurerequest.window, value_mask, &wc );
+                return true;
+                }
+            break;
+            }
+        case KeyPress:
+            if ( mouse_emulation )
+                return keyPressMouseEmulation( e->xkey );
+            break;
+        case KeyRelease:
+            if ( mouse_emulation )
+                return FALSE;
+            break;
+        case FocusIn:
+            if( e->xfocus.window == rootWin() && QCString( getenv("KDE_MULTIHEAD")).lower() != "true"
+                && ( e->xfocus.detail == NotifyDetailNone || e->xfocus.detail == NotifyPointerRoot ))
+                {
+                updateXTime(); // focusToNull() uses qt_x_time, which is old now (FocusIn has no timestamp)
+                Window focus;
+                int revert;
+                XGetInputFocus( qt_xdisplay(), &focus, &revert );
+                if( focus == None || focus == PointerRoot )
+                    {
+                    //kdWarning( 1212 ) << "X focus set to None/PointerRoot, reseting focus" << endl;
+                    Client *c = mostRecentlyActivatedClient();
+                    if( c != NULL )
+                        requestFocus( c, true );
+                    else if( activateNextClient( NULL ))
+                        ; // ok, activated
+                    else
+                        focusToNull();
+                    }
+                }
+            // fall through
+        case FocusOut:
+            return true; // always eat these, they would tell Qt that KWin is the active app
+        case ClientMessage:
+            if( electricBorder( e ))
+                return true;
+            break;
+        default:
+            break;
+        }
+    return FALSE;
+    }
+
+// Some events don't have the actual window which caused the event
+// as e->xany.window (e.g. ConfigureRequest), but as some other
+// field in the XEvent structure.
+Window Workspace::findSpecialEventWindow( XEvent* e )
+    {
+    switch( e->type )
+        {
+        case CreateNotify:
+            return e->xcreatewindow.window;
+        case DestroyNotify:
+            return e->xdestroywindow.window;
+        case UnmapNotify:
+            return e->xunmap.window;
+        case MapNotify:
+            return e->xmap.window;
+        case MapRequest:
+            return e->xmaprequest.window;
+        case ReparentNotify:
+            return e->xreparent.window;
+        case ConfigureNotify:
+            return e->xconfigure.window;
+        case GravityNotify:
+            return e->xgravity.window;
+        case ConfigureRequest:
+            return e->xconfigurerequest.window;
+        case CirculateNotify:
+            return e->xcirculate.window;
+        case CirculateRequest:
+            return e->xcirculaterequest.window;
+        default:
+            return None;
+        };
+    }
+
+// ****************************************
+// Client
+// ****************************************
+
+/*!
+  General handler for XEvents concerning the client window
+ */
+bool Client::windowEvent( XEvent* e )
+    {
+    if( e->xany.window == window()) // avoid doing stuff on frame or wrapper
+        {
+        unsigned long dirty[ 2 ];
+        info->event( e, dirty, 2 ); // pass through the NET stuff
+
+        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMName ) != 0 )
+            fetchName();
+        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIconName ) != 0 )
+            fetchIconicName();
+        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMStrut ) != 0
+            || ( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2ExtendedStrut ) != 0 )
+            {
+            if( isTopMenu())  // the fallback mode of KMenuBar may alter the strut
+                checkWorkspacePosition();  // restore it
+            workspace()->updateClientArea();
+            }
+        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIcon) != 0 )
+            getIcons();
+        // Note there's a difference between userTime() and info->userTime()
+        // info->userTime() is the value of the property, userTime() also includes
+        // updates of the time done by KWin (ButtonPress on windowrapper etc.).
+        if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2UserTime ) != 0 )
+            {
+            workspace()->setWasUserInteraction();
+            updateUserTime( info->userTime());
+            }
+        if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2StartupId ) != 0 )
+            startupIdChanged();
+        if( dirty[ WinInfo::PROTOCOLS ] & NET::WMIconGeometry )
+            {
+            if( demandAttentionKNotifyTimer != NULL )
+                demandAttentionKNotify();
+            }
+        }
+
+// TODO move all focus handling stuff to separate file?
+    switch (e->type) 
+        {
+        case UnmapNotify:
+            unmapNotifyEvent( &e->xunmap );
+            break;
+        case DestroyNotify:
+            destroyNotifyEvent( &e->xdestroywindow );
+            break;
+        case MapRequest:
+            // this one may pass the event to workspace
+            return mapRequestEvent( &e->xmaprequest );
+        case ConfigureRequest:
+            configureRequestEvent( &e->xconfigurerequest );
+            break;
+        case PropertyNotify:
+            propertyNotifyEvent( &e->xproperty );
+            break;
+        case KeyPress:
+            updateUserTime();
+            workspace()->setWasUserInteraction();
+            break;
+        case ButtonPress:
+            updateUserTime();
+            workspace()->setWasUserInteraction();
+            buttonPressEvent( e->xbutton.window, e->xbutton.button, e->xbutton.state,
+                e->xbutton.x, e->xbutton.y, e->xbutton.x_root, e->xbutton.y_root );
+            break;
+        case KeyRelease:
+    // don't update user time on releases
+    // e.g. if the user presses Alt+F2, the Alt release
+    // would appear as user input to the currently active window
+            break;
+        case ButtonRelease:
+    // don't update user time on releases
+    // e.g. if the user presses Alt+F2, the Alt release
+    // would appear as user input to the currently active window
+            buttonReleaseEvent( e->xbutton.window, e->xbutton.button, e->xbutton.state,
+                e->xbutton.x, e->xbutton.y, e->xbutton.x_root, e->xbutton.y_root );
+            break;
+        case MotionNotify:
+            motionNotifyEvent( e->xmotion.window, e->xmotion.state,
+                e->xmotion.x, e->xmotion.y, e->xmotion.x_root, e->xmotion.y_root );
+            workspace()->updateFocusMousePosition( QPoint( e->xmotion.x_root, e->xmotion.y_root ));
+            break;
+        case EnterNotify:
+            enterNotifyEvent( &e->xcrossing );
+            // MotionNotify is guaranteed to be generated only if the mouse
+            // move start and ends in the window; for cases when it only
+            // starts or only ends there, Enter/LeaveNotify are generated.
+            // Fake a MotionEvent in such cases to make handle of mouse
+            // events simpler (Qt does that too).
+            motionNotifyEvent( e->xcrossing.window, e->xcrossing.state,
+                e->xcrossing.x, e->xcrossing.y, e->xcrossing.x_root, e->xcrossing.y_root );
+            workspace()->updateFocusMousePosition( QPoint( e->xcrossing.x_root, e->xcrossing.y_root ));
+            break;
+        case LeaveNotify:
+            motionNotifyEvent( e->xcrossing.window, e->xcrossing.state,
+                e->xcrossing.x, e->xcrossing.y, e->xcrossing.x_root, e->xcrossing.y_root );
+            leaveNotifyEvent( &e->xcrossing );
+            // not here, it'd break following enter notify handling
+            // workspace()->updateFocusMousePosition( QPoint( e->xcrossing.x_root, e->xcrossing.y_root ));
+            break;
+        case FocusIn:
+            focusInEvent( &e->xfocus );
+            break;
+        case FocusOut:
+            focusOutEvent( &e->xfocus );
+            break;
+        case ReparentNotify:
+            break;
+        case ClientMessage:
+            clientMessageEvent( &e->xclient );
+            break;
+        case ColormapChangeMask:
+            if( e->xany.window == window())
+            {
+            cmap = e->xcolormap.colormap;
+            if ( isActive() )
+                workspace()->updateColormap();
+            }
+            break;
+        default:
+            if( e->xany.window == window())
+            {
+            if( e->type == Shape::shapeEvent() )
+                {
+                is_shape = Shape::hasShape( window()); // workaround for #19644
+                updateShape();
+                }
+            }
+            break;
+        }
+    return true; // eat all events
+    }
+
+/*!
+  Handles map requests of the client window
+ */
+bool Client::mapRequestEvent( XMapRequestEvent* e )
+    {
+    if( e->window != window())
+        {
+        // Special support for the save-set feature, which is a bit broken.
+        // If there's a window from one client embedded in another one,
+        // e.g. using XEMBED, and the embedder suddenly looses its X connection,
+        // save-set will reparent the embedded window to its closest ancestor
+        // that will remains. Unfortunately, with reparenting window managers,
+        // this is not the root window, but the frame (or in KWin's case,
+        // it's the wrapper for the client window). In this case,
+        // the wrapper will get ReparentNotify for a window it won't know,
+        // which will be ignored, and then it gets MapRequest, as save-set
+        // always maps. Returning true here means that Workspace::workspaceEvent()
+        // will handle this MapRequest and manage this window (i.e. act as if
+        // it was reparented to root window).
+        if( e->parent == wrapperId())
+            return false;
+        return true; // no messing with frame etc.
+        }
+    if( isTopMenu() && workspace()->managingTopMenus())
+        return true; // kwin controls these
+    switch ( mappingState() )
+        {
+        case WithdrawnState:
+            assert( false ); // WMs are not supposed to manage clients in Withdrawn state,
+//        manage();      // after initial mapping manage() is called from createClient()
+            break;
+        case IconicState:
+	// also copied in clientMessage()
+            if( isMinimized())
+                unminimize();
+            if( isShade())
+                setShade( ShadeNone );
+            if( !isOnCurrentDesktop())
+                {
+                if( workspace()->allowClientActivation( this ))
+                    workspace()->activateClient( this );
+                else
+                    demandAttention();
+                }
+            break;
+        case NormalState:
+	    // TODO fake MapNotify?
+            break;
+        }
+    return true;
+    }
+
+/*!
+  Handles unmap notify events of the client window
+ */
+void Client::unmapNotifyEvent( XUnmapEvent* e )
+    {
+    if( e->window != window())
+        return;
+    if( e->event != wrapperId())
+        { // most probably event from root window when initially reparenting
+        bool ignore = true;
+        if( e->event == workspace()->rootWin() && e->send_event )
+            ignore = false; // XWithdrawWindow()
+        if( ignore )
+            return;
+        }
+    switch( mappingState())
+        {
+        case IconicState:
+            releaseWindow();
+          return;
+        case NormalState:
+            // maybe we will be destroyed soon. Check this first.
+            XEvent ev;
+            if( XCheckTypedWindowEvent (qt_xdisplay(), window(),
+                DestroyNotify, &ev) ) // TODO I don't like this much
+                {
+                destroyClient(); // deletes this
+                return;
+                }
+            releaseWindow();
+          break;
+    default:
+        assert( false );
+        }
+    }
+
+void Client::destroyNotifyEvent( XDestroyWindowEvent* e )
+    {
+    if( e->window != window())
+        return;
+    destroyClient();
+    }
+    
+    
+bool         blockAnimation = FALSE;
+
+/*!
+   Handles client messages for the client window
+*/
+void Client::clientMessageEvent( XClientMessageEvent* e )
+    {
+    if( e->window != window())
+        return; // ignore frame/wrapper
+    // WM_STATE
+    if ( e->message_type == atoms->kde_wm_change_state )
+        {
+        if( isTopMenu() && workspace()->managingTopMenus())
+            return; // kwin controls these
+        if( e->data.l[ 1 ] )
+            blockAnimation = true;
+        if( e->data.l[ 0 ] == IconicState )
+            minimize();
+        else if( e->data.l[ 0 ] == NormalState )
+            { // copied from mapRequest()
+            if( isMinimized())
+                unminimize();
+            if( isShade())
+                setShade( ShadeNone );
+            if( !isOnCurrentDesktop())
+                {
+                if( workspace()->allowClientActivation( this ))
+                    workspace()->activateClient( this );
+                else
+                    demandAttention();
+                }
+            }
+        blockAnimation = false;
+        }
+    else if ( e->message_type == atoms->wm_change_state)
+        {
+        if( isTopMenu() && workspace()->managingTopMenus())
+            return; // kwin controls these
+        if ( e->data.l[0] == IconicState )
+            minimize();
+        return;
+        }
+    }
+
+
+/*!
+  Handles configure  requests of the client window
+ */
+void Client::configureRequestEvent( XConfigureRequestEvent* e )
+    {
+    if( e->window != window())
+        return; // ignore frame/wrapper
+    if ( isResize() || isMove())
+        return; // we have better things to do right now
+
+    if( fullscreen_mode == FullScreenNormal ) // refuse resizing of fullscreen windows
+        { // but allow resizing fullscreen hacks in order to let them cancel fullscreen mode
+        sendSyntheticConfigureNotify();
+        return;
+        }
+    if( isSplash() // no manipulations with splashscreens either
+        || isTopMenu()) // topmenus neither
+        {
+        sendSyntheticConfigureNotify();
+        return;
+        }
+
+    if ( e->value_mask & CWBorderWidth ) 
+        {
+        // first, get rid of a window border
+        XWindowChanges wc;
+        unsigned int value_mask = 0;
+
+        wc.border_width = 0;
+        value_mask = CWBorderWidth;
+        XConfigureWindow( qt_xdisplay(), window(), value_mask, & wc );
+        }
+
+    if( e->value_mask & ( CWX | CWY | CWHeight | CWWidth ))
+        configureRequest( e->value_mask, e->x, e->y, e->width, e->height, 0, false );
+
+    if ( e->value_mask & CWStackMode )
+        restackWindow( e->above, e->detail, NET::FromApplication, userTime(), false );
+
+    // TODO sending a synthetic configure notify always is fine, even in cases where
+    // the ICCCM doesn't require this - it can be though of as 'the WM decided to move
+    // the window later'. The client should not cause that many configure request,
+    // so this should not have any significant impact. With user moving/resizing
+    // the it should be optimized though (see also Client::setGeometry()/plainResize()/move()).
+    sendSyntheticConfigureNotify();
+
+    // SELI TODO accept configure requests for isDesktop windows (because kdesktop
+    // may get XRANDR resize event before kwin), but check it's still at the bottom?
+    }
+
+
+/*!
+  Handles property changes of the client window
+ */
+void Client::propertyNotifyEvent( XPropertyEvent* e )
+    {
+    if( e->window != window())
+        return; // ignore frame/wrapper
+    switch ( e->atom ) 
+        {
+        case XA_WM_NORMAL_HINTS:
+            getWmNormalHints();
+            break;
+        case XA_WM_NAME:
+            fetchName();
+            break;
+        case XA_WM_ICON_NAME:
+            fetchIconicName();
+            break;
+        case XA_WM_TRANSIENT_FOR:
+            readTransient();
+            break;
+        case XA_WM_HINTS:
+            getWMHints();
+            getIcons(); // because KWin::icon() uses WMHints as fallback
+            break;
+        default:
+            if ( e->atom == atoms->wm_protocols )
+                getWindowProtocols();
+            else if (e->atom == atoms->wm_client_leader )
+                getWmClientLeader();
+            else if( e->atom == qt_window_role )
+                window_role = staticWindowRole( window());
+            else if( e->atom == atoms->motif_wm_hints )
+                getMotifHints();
+            break;
+        }
+    }
+
+
+void Client::enterNotifyEvent( XCrossingEvent* e )
+    {
+    if( e->window != frameId())
+        return; // care only about entering the whole frame
+    if( e->mode == NotifyNormal ||
+         ( !options->focusPolicyIsReasonable() &&
+             e->mode == NotifyUngrab ) ) 
+        {
+
+        if (options->shadeHover && isShade()) 
+            {
+            delete shadeHoverTimer;
+            shadeHoverTimer = new QTimer( this );
+            connect( shadeHoverTimer, SIGNAL( timeout() ), this, SLOT( shadeHover() ));
+            shadeHoverTimer->start( options->shadeHoverInterval, TRUE );
+            }
+
+        if ( options->focusPolicy == Options::ClickToFocus )
+            return;
+
+        if ( options->autoRaise && !isDesktop() &&
+             !isDock() && !isTopMenu() && workspace()->focusChangeEnabled() &&
+             workspace()->topClientOnDesktop( workspace()->currentDesktop()) != this ) 
+            {
+            delete autoRaiseTimer;
+            autoRaiseTimer = new QTimer( this );
+            connect( autoRaiseTimer, SIGNAL( timeout() ), this, SLOT( autoRaise() ) );
+            autoRaiseTimer->start( options->autoRaiseInterval, TRUE  );
+            }
+
+        QPoint currentPos( e->x_root, e->y_root );
+        if ( options->focusPolicy != Options::FocusStrictlyUnderMouse && ( isDesktop() || isDock() || isTopMenu() ) )
+            return;
+        // for FocusFollowsMouse, change focus only if the mouse has actually been moved, not if the focus
+        // change came because of window changes (e.g. closing a window) - #92290
+        if( options->focusPolicy != Options::FocusFollowsMouse
+            || currentPos != workspace()->focusMousePosition())
+            {
+            if ( options->delayFocus )
+                workspace()->requestDelayFocus( this );
+            else
+                workspace()->requestFocus( this );
+            }
+        return;
+        }
+    }
+
+void Client::leaveNotifyEvent( XCrossingEvent* e )
+    {
+    if( e->window != frameId())
+        return; // care only about leaving the whole frame
+    if ( e->mode == NotifyNormal ) 
+        {
+        if ( !buttonDown ) 
+            {
+            mode = PositionCenter;
+            setCursor( arrowCursor );
+            }
+        bool lostMouse = !rect().contains( QPoint( e->x, e->y ) );
+        // 'lostMouse' wouldn't work with e.g. B2 or Keramik, which have non-rectangular decorations
+        // (i.e. the LeaveNotify event comes before leaving the rect and no LeaveNotify event
+        // comes after leaving the rect) - so lets check if the pointer is really outside the window
+
+        // TODO this still sucks if a window appears above this one - it should lose the mouse
+        // if this window is another client, but not if it's a popup ... maybe after KDE3.1 :(
+        // (repeat after me 'AARGHL!')
+        if ( !lostMouse && e->detail != NotifyInferior ) 
+            {
+            int d1, d2, d3, d4;
+            unsigned int d5;
+            Window w, child;
+            if( XQueryPointer( qt_xdisplay(), frameId(), &w, &child, &d1, &d2, &d3, &d4, &d5 ) == False
+                || child == None )
+                lostMouse = true; // really lost the mouse
+            }
+        if ( lostMouse ) 
+            {
+            cancelAutoRaise();
+            workspace()->cancelDelayFocus();
+            cancelShadeHover();
+            if ( shade_mode == ShadeHover && !moveResizeMode && !buttonDown )
+               setShade( ShadeNormal );
+            }
+        if ( options->focusPolicy == Options::FocusStrictlyUnderMouse )
+            if ( isActive() && lostMouse )
+                workspace()->requestFocus( 0 ) ;
+        return;
+        }
+    }
+
+#define XCapL KKeyNative::modXLock()
+#define XNumL KKeyNative::modXNumLock()
+#define XScrL KKeyNative::modXScrollLock()
+void Client::grabButton( int modifier )
+    {
+    unsigned int mods[ 8 ] = 
+        {
+        0, XCapL, XNumL, XNumL | XCapL,
+        XScrL, XScrL | XCapL,
+        XScrL | XNumL, XScrL | XNumL | XCapL
+        };
+    for( int i = 0;
+         i < 8;
+         ++i )
+        XGrabButton( qt_xdisplay(), AnyButton,
+            modifier | mods[ i ],
+            wrapperId(),  FALSE, ButtonPressMask,
+            GrabModeSync, GrabModeAsync, None, None );
+    }
+
+void Client::ungrabButton( int modifier )
+    {
+    unsigned int mods[ 8 ] = 
+        {
+        0, XCapL, XNumL, XNumL | XCapL,
+        XScrL, XScrL | XCapL,
+        XScrL | XNumL, XScrL | XNumL | XCapL
+        };
+    for( int i = 0;
+         i < 8;
+         ++i )
+        XUngrabButton( qt_xdisplay(), AnyButton,
+            modifier | mods[ i ], wrapperId());
+    }
+#undef XCapL
+#undef XNumL
+#undef XScrL
+
+/*
+  Releases the passive grab for some modifier combinations when a
+  window becomes active. This helps broken X programs that
+  missinterpret LeaveNotify events in grab mode to work properly
+  (Motif, AWT, Tk, ...)
+ */
+void Client::updateMouseGrab()
+    {
+    if( workspace()->globalShortcutsDisabled())
+        {
+        XUngrabButton( qt_xdisplay(), AnyButton, AnyModifier, wrapperId());
+        // keep grab for the simple click without modifiers if needed (see below)
+        bool not_obscured = workspace()->topClientOnDesktop( workspace()->currentDesktop(), true, false ) == this;
+        if( !( !options->clickRaise || not_obscured ))
+            grabButton( None );
+        return;
+        }
+    if( isActive() && !workspace()->forcedGlobalMouseGrab()) // see Workspace::establishTabBoxGrab()
+        {
+        // first grab all modifier combinations
+        XGrabButton(qt_xdisplay(), AnyButton, AnyModifier, wrapperId(), FALSE,
+            ButtonPressMask,
+            GrabModeSync, GrabModeAsync,
+            None, None );
+        // remove the grab for no modifiers only if the window
+        // is unobscured or if the user doesn't want click raise
+        // (it is unobscured if it the topmost in the unconstrained stacking order, i.e. it is
+        // the most recently raised window)
+        bool not_obscured = workspace()->topClientOnDesktop( workspace()->currentDesktop(), true, false ) == this;
+        if( !options->clickRaise || not_obscured )
+            ungrabButton( None );
+        else
+            grabButton( None );
+        ungrabButton( ShiftMask );
+        ungrabButton( ControlMask );
+        ungrabButton( ControlMask | ShiftMask );
+        }
+    else
+        {
+        XUngrabButton( qt_xdisplay(), AnyButton, AnyModifier, wrapperId());
+        // simply grab all modifier combinations
+        XGrabButton(qt_xdisplay(), AnyButton, AnyModifier, wrapperId(), FALSE,
+            ButtonPressMask,
+            GrabModeSync, GrabModeAsync,
+            None, None );
+        }
+    }
+
+int qtToX11Button( Qt::ButtonState button )
+    {
+    if( button == Qt::LeftButton )
+        return Button1;
+    else if( button == Qt::MidButton )
+        return Button2;
+    else if( button == Qt::RightButton )
+        return Button3;
+    return AnyButton;
+    }
+    
+int qtToX11State( Qt::ButtonState state )
+    {
+    int ret = 0;
+    if( state & Qt::LeftButton )
+        ret |= Button1Mask;
+    if( state & Qt::MidButton )
+        ret |= Button2Mask;
+    if( state & Qt::RightButton )
+        ret |= Button3Mask;
+    if( state & Qt::ShiftButton )
+        ret |= ShiftMask;
+    if( state & Qt::ControlButton )
+        ret |= ControlMask;
+    if( state & Qt::AltButton )
+        ret |= KKeyNative::modX(KKey::ALT);
+    if( state & Qt::MetaButton )
+        ret |= KKeyNative::modX(KKey::WIN);
+    return ret;
+    }
+
+// Qt propagates mouse events up the widget hierachy, which means events
+// for the decoration window cannot be (easily) intercepted as X11 events
+bool Client::eventFilter( QObject* o, QEvent* e )
+    {
+    if( decoration == NULL
+        || o != decoration->widget())
+        return false;
+    if( e->type() == QEvent::MouseButtonPress )
+        {
+        QMouseEvent* ev = static_cast< QMouseEvent* >( e );
+        return buttonPressEvent( decorationId(), qtToX11Button( ev->button()), qtToX11State( ev->state()),
+            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
+        }
+    if( e->type() == QEvent::MouseButtonRelease )
+        {
+        QMouseEvent* ev = static_cast< QMouseEvent* >( e );
+        return buttonReleaseEvent( decorationId(), qtToX11Button( ev->button()), qtToX11State( ev->state()),
+            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
+        }
+    if( e->type() == QEvent::MouseMove ) // FRAME i fake z enter/leave?
+        {
+        QMouseEvent* ev = static_cast< QMouseEvent* >( e );
+        return motionNotifyEvent( decorationId(), qtToX11State( ev->state()),
+            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
+        }
+    if( e->type() == QEvent::Wheel )
+        {
+        QWheelEvent* ev = static_cast< QWheelEvent* >( e );
+        bool r = buttonPressEvent( decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State( ev->state()),
+            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
+        r = r || buttonReleaseEvent( decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State( ev->state()),
+            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
+        return r;
+        }
+    if( e->type() == QEvent::Resize )
+        {
+        QResizeEvent* ev = static_cast< QResizeEvent* >( e );
+        // Filter out resize events that inform about size different than frame size.
+        // This will ensure that decoration->width() etc. and decoration->widget()->width() will be in sync.
+        // These events only seem to be delayed events from initial resizing before show() was called
+        // on the decoration widget.
+        if( ev->size() != size())
+            return true;
+        }
+    return false;
+    }
+
+// return value matters only when filtering events before decoration gets them
+bool Client::buttonPressEvent( Window w, int button, int state, int x, int y, int x_root, int y_root )
+    {
+    if (buttonDown)
+        {
+        if( w == wrapperId())
+            XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time);
+        return true;
+        }
+
+    if( w == wrapperId() || w == frameId() || w == decorationId())
+        { // FRAME neco s tohohle by se melo zpracovat, nez to dostane dekorace
+        updateUserTime();
+        workspace()->setWasUserInteraction();
+        uint keyModX = (options->keyCmdAllModKey() == Qt::Key_Meta) ?
+            KKeyNative::modX(KKey::WIN) :
+            KKeyNative::modX(KKey::ALT);
+        bool bModKeyHeld = keyModX != 0 && ( state & KKeyNative::accelModMaskX()) == keyModX;
+
+        if( isSplash()
+            && button == Button1 && !bModKeyHeld )
+            { // hide splashwindow if the user clicks on it
+            hideClient( true );
+            if( w == wrapperId())
+                    XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time);
+            return true;
+            }
+
+        Options::MouseCommand com = Options::MouseNothing;
+        bool was_action = false;
+        bool perform_handled = false;
+        if ( bModKeyHeld )
+            {
+            was_action = true;
+            switch (button) 
+                {
+                case Button1:
+                    com = options->commandAll1();
+                    break;
+                case Button2:
+                    com = options->commandAll2();
+                    break;
+                case Button3:
+                    com = options->commandAll3();
+                    break;
+                case Button4:
+                case Button5:
+                    com = options->operationWindowMouseWheel( button == Button4 ? 120 : -120 );
+                    break;
+                }
+            }
+        else
+            { // inactive inner window
+            if( !isActive() && w == wrapperId())
+                {
+                was_action = true;
+                perform_handled = true;
+                switch (button) 
+                    {
+                    case Button1:
+                        com = options->commandWindow1();
+                        break;
+                    case Button2:
+                        com = options->commandWindow2();
+                        break;
+                    case Button3:
+                        com = options->commandWindow3();
+                        break;
+                    default:
+                        com = Options::MouseActivateAndPassClick;
+                    }
+                }
+            // active inner window
+            if( isActive() && w == wrapperId()
+                && options->clickRaise && button < 4 ) // exclude wheel
+                {
+                com = Options::MouseActivateRaiseAndPassClick;
+                was_action = true;
+                perform_handled = true;
+                }
+            }
+        if( was_action )
+            {
+            bool replay = performMouseCommand( com, QPoint( x_root, y_root), perform_handled );
+
+            if ( isSpecialWindow())
+                replay = TRUE;
+
+            if( w == wrapperId()) // these can come only from a grab
+                XAllowEvents(qt_xdisplay(), replay? ReplayPointer : SyncPointer, CurrentTime ); //qt_x_time);
+            return true;
+            }
+        }
+
+    if( w == wrapperId()) // these can come only from a grab
+        {
+        XAllowEvents(qt_xdisplay(), ReplayPointer, CurrentTime ); //qt_x_time);
+        return true;
+        }
+    if( w == decorationId())
+        return false; // don't eat decoration events
+    if( w == frameId())
+        processDecorationButtonPress( button, state, x, y, x_root, y_root );
+    return true;
+    }
+
+
+// this function processes button press events only after decoration decides not to handle them,
+// unlike buttonPressEvent(), which (when the window is decoration) filters events before decoration gets them
+void Client::processDecorationButtonPress( int button, int /*state*/, int x, int y, int x_root, int y_root )
+    {
+    Options::MouseCommand com = Options::MouseNothing;
+    bool active = isActive();
+    if ( !wantsInput() ) // we cannot be active, use it anyway
+        active = TRUE;
+
+    if ( button == Button1 )
+        com = active ? options->commandActiveTitlebar1() : options->commandInactiveTitlebar1();
+    else if ( button == Button2 )
+        com = active ? options->commandActiveTitlebar2() : options->commandInactiveTitlebar2();
+    else if ( button == Button3 )
+        com = active ? options->commandActiveTitlebar3() : options->commandInactiveTitlebar3();
+    if( button == Button1
+        && com != Options::MouseOperationsMenu // actions where it's not possible to get the matching
+        && com != Options::MouseMinimize )  // mouse release event
+        {
+        mode = mousePosition( QPoint( x, y ));
+        buttonDown = TRUE;
+        moveOffset = QPoint( x, y );
+        invertedMoveOffset = rect().bottomRight() - moveOffset;
+        unrestrictedMoveResize = false;
+        setCursor( mode ); // update to sizeAllCursor if about to move
+        }
+    performMouseCommand( com, QPoint( x_root, y_root ));
+    }
+
+// called from decoration
+void Client::processMousePressEvent( QMouseEvent* e )
+    {
+    if( e->type() != QEvent::MouseButtonPress )
+        {
+        kdWarning() << "processMousePressEvent()" << endl;
+        return;
+        }
+    int button;
+    switch( e->button())
+        {
+        case LeftButton:
+            button = Button1;
+          break;
+        case MidButton:
+            button = Button2;
+          break;
+        case RightButton:
+            button = Button3;
+          break;
+        default:
+            return;
+        }
+    processDecorationButtonPress( button, e->state(), e->x(), e->y(), e->globalX(), e->globalY());
+    }
+
+// return value matters only when filtering events before decoration gets them
+bool Client::buttonReleaseEvent( Window w, int /*button*/, int state, int x, int y, int x_root, int y_root )
+    {
+    if( w == decorationId() && !buttonDown)
+        return false;
+    if( w == wrapperId())
+        {
+        XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time);
+        return true;
+        }
+    if( w != frameId() && w != decorationId() && w != moveResizeGrabWindow())
+        return true;
+    x = this->x(); // translate from grab window to local coords
+    y = this->y();
+    if ( (state & ( Button1Mask & Button2Mask & Button3Mask )) == 0 )
+        {
+        buttonDown = FALSE;
+        if ( moveResizeMode ) 
+            {
+            finishMoveResize( false );
+            // mouse position is still relative to old Client position, adjust it
+            QPoint mousepos( x_root - x, y_root - y );
+            mode = mousePosition( mousepos );
+            }
+        setCursor( mode );
+        }
+    return true;
+    }
+
+static bool was_motion = false;
+static Time next_motion_time = CurrentTime;
+// Check whole incoming X queue for MotionNotify events
+// checking whole queue is done by always returning False in the predicate.
+// If there are more MotionNotify events in the queue, all until the last
+// one may be safely discarded (if a ButtonRelease event comes, a MotionNotify
+// will be faked from it, so there's no need to check other events).
+// This helps avoiding being overloaded by being flooded from many events
+// from the XServer.
+static Bool motion_predicate( Display*, XEvent* ev, XPointer )
+{
+    if( ev->type == MotionNotify )
+        {
+	was_motion = true;
+        next_motion_time = ev->xmotion.time;  // for setting time
+        }
+    return False;
+}
+
+static bool waitingMotionEvent()
+    {
+// The queue doesn't need to be checked until the X timestamp
+// of processes events reaches the timestamp of the last suitable
+// MotionNotify event in the queue.
+    if( next_motion_time != CurrentTime
+        && timestampCompare( qt_x_time, next_motion_time ) < 0 )
+        return true;
+    was_motion = false;
+    XSync( qt_xdisplay(), False ); // this helps to discard more MotionNotify events
+    XEvent dummy;
+    XCheckIfEvent( qt_xdisplay(), &dummy, motion_predicate, NULL );
+    return was_motion;
+    }
+
+// return value matters only when filtering events before decoration gets them
+bool Client::motionNotifyEvent( Window w, int /*state*/, int x, int y, int x_root, int y_root )
+    {
+    if( w != frameId() && w != decorationId() && w != moveResizeGrabWindow())
+        return true; // care only about the whole frame
+    if ( !buttonDown ) 
+        {
+        Position newmode = mousePosition( QPoint( x, y ));
+        if( newmode != mode )
+            setCursor( newmode );
+        mode = newmode;
+        // reset the timestamp for the optimization, otherwise with long passivity
+        // the option in waitingMotionEvent() may be always true
+        next_motion_time = CurrentTime;
+        return false;
+        }
+    if( w == moveResizeGrabWindow())
+        {
+        x = this->x(); // translate from grab window to local coords
+        y = this->y();
+        }
+    if( !waitingMotionEvent())
+        handleMoveResize( x, y, x_root, y_root );
+    return true;
+    }
+    
+void Client::focusInEvent( XFocusInEvent* e )
+    {
+    if( e->window != window())
+        return; // only window gets focus
+    if ( e->mode == NotifyUngrab )
+        return; // we don't care
+    if ( e->detail == NotifyPointer )
+        return;  // we don't care
+    if( !isShown( false ) || !isOnCurrentDesktop()) // we unmapped it, but it got focus meanwhile ->
+        return;            // activateNextClient() already transferred focus elsewhere
+    // check if this client is in should_get_focus list or if activation is allowed
+    bool activate =  workspace()->allowClientActivation( this, -1U, true );
+    workspace()->gotFocusIn( this ); // remove from should_get_focus list
+    if( activate )
+        setActive( TRUE );
+    else
+        {
+        workspace()->restoreFocus();
+        demandAttention();
+        }
+    }
+
+// When a client loses focus, FocusOut events are usually immediatelly
+// followed by FocusIn events for another client that gains the focus
+// (unless the focus goes to another screen, or to the nofocus widget).
+// Without this check, the former focused client would have to be
+// deactivated, and after that, the new one would be activated, with
+// a short time when there would be no active client. This can cause
+// flicker sometimes, e.g. when a fullscreen is shown, and focus is transferred
+// from it to its transient, the fullscreen would be kept in the Active layer
+// at the beginning and at the end, but not in the middle, when the active
+// client would be temporarily none (see Client::belongToLayer() ).
+// Therefore, the events queue is checked, whether it contains the matching
+// FocusIn event, and if yes, deactivation of the previous client will
+// be skipped, as activation of the new one will automatically deactivate
+// previously active client.
+static bool follows_focusin = false;
+static bool follows_focusin_failed = false;
+static Bool predicate_follows_focusin( Display*, XEvent* e, XPointer arg )
+    {
+    if( follows_focusin || follows_focusin_failed )
+        return False;
+    Client* c = ( Client* ) arg;
+    if( e->type == FocusIn && c->workspace()->findClient( WindowMatchPredicate( e->xfocus.window )))
+        { // found FocusIn
+        follows_focusin = true;
+        return False;
+        }
+    // events that may be in the queue before the FocusIn event that's being
+    // searched for
+    if( e->type == FocusIn || e->type == FocusOut || e->type == KeymapNotify )
+        return False;
+    follows_focusin_failed = true; // a different event - stop search
+    return False;
+    }
+
+static bool check_follows_focusin( Client* c )
+    {
+    follows_focusin = follows_focusin_failed = false;
+    XEvent dummy;
+    // XCheckIfEvent() is used to make the search non-blocking, the predicate
+    // always returns False, so nothing is removed from the events queue.
+    // XPeekIfEvent() would block.
+    XCheckIfEvent( qt_xdisplay(), &dummy, predicate_follows_focusin, (XPointer)c );
+    return follows_focusin;
+    }
+
+
+void Client::focusOutEvent( XFocusOutEvent* e )
+    {
+    if( e->window != window())
+        return; // only window gets focus
+    if ( e->mode == NotifyGrab )
+        return; // we don't care
+    if ( isShade() )
+        return; // here neither
+    if ( e->detail != NotifyNonlinear
+        && e->detail != NotifyNonlinearVirtual )
+        // SELI check all this
+        return; // hack for motif apps like netscape
+    if ( QApplication::activePopupWidget() )
+        return;
+    if( !check_follows_focusin( this ))
+        setActive( FALSE );
+    }
+
+// performs _NET_WM_MOVERESIZE
+void Client::NETMoveResize( int x_root, int y_root, NET::Direction direction )
+    {
+    if( direction == NET::Move )
+        performMouseCommand( Options::MouseMove, QPoint( x_root, y_root ));
+    else if( moveResizeMode && direction == NET::MoveResizeCancel )
+    {
+        finishMoveResize( true );
+        buttonDown = FALSE;
+        setCursor( mode );
+    }
+    else if( direction >= NET::TopLeft && direction <= NET::Left ) 
+        {
+        static const Position convert[] =
+            {
+            PositionTopLeft,
+            PositionTop,
+            PositionTopRight,
+            PositionRight,
+            PositionBottomRight,
+            PositionBottom,
+            PositionBottomLeft,
+            PositionLeft
+            };
+        if(!isResizable() || isShade())
+            return;
+        if( moveResizeMode )
+            finishMoveResize( false );
+        buttonDown = TRUE;
+        moveOffset = QPoint( x_root - x(), y_root - y()); // map from global
+        invertedMoveOffset = rect().bottomRight() - moveOffset;
+        unrestrictedMoveResize = false;
+        mode = convert[ direction ];
+        setCursor( mode );
+        if( !startMoveResize())
+            {
+            buttonDown = false;
+            setCursor( mode );
+            }
+        }
+    else if( direction == NET::KeyboardMove )
+        { // ignore mouse coordinates given in the message, mouse position is used by the moving algorithm
+        QCursor::setPos( geometry().center() );
+        performMouseCommand( Options::MouseUnrestrictedMove, geometry().center());
+        }
+    else if( direction == NET::KeyboardSize )
+        { // ignore mouse coordinates given in the message, mouse position is used by the resizing algorithm
+        QCursor::setPos( geometry().bottomRight());
+        performMouseCommand( Options::MouseUnrestrictedResize, geometry().bottomRight());
+        }
+    }
+
+void Client::keyPressEvent( uint key_code )
+    {
+    updateUserTime();
+    if ( !isMove() && !isResize() )
+        return;
+    bool is_control = key_code & Qt::CTRL;
+    bool is_alt = key_code & Qt::ALT;
+    key_code = key_code & 0xffff;
+    int delta = is_control?1:is_alt?32:8;
+    QPoint pos = QCursor::pos();
+    switch ( key_code ) 
+        {
+        case Key_Left:
+            pos.rx() -= delta;
+            break;
+        case Key_Right:
+            pos.rx() += delta;
+            break;
+        case Key_Up:
+            pos.ry() -= delta;
+            break;
+        case Key_Down:
+            pos.ry() += delta;
+            break;
+        case Key_Space:
+        case Key_Return:
+        case Key_Enter:
+            finishMoveResize( false );
+            buttonDown = FALSE;
+            setCursor( mode );
+            break;
+        case Key_Escape:
+            finishMoveResize( true );
+            buttonDown = FALSE;
+            setCursor( mode );
+            break;
+        default:
+            return;
+        }
+    QCursor::setPos( pos );
+    }
+
+// ****************************************
+// Group
+// ****************************************
+
+bool Group::groupEvent( XEvent* e )
+    {
+    unsigned long dirty[ 2 ];
+    leader_info->event( e, dirty, 2 ); // pass through the NET stuff
+    if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIcon) != 0 )
+        getIcons();
+    if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2StartupId ) != 0 )
+        startupIdChanged();
+    return false;
+    }
+
+
+} // namespace