/***************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 1999, 2000 Matthias Ettrich Copyright (C) 2003 Lubos Lunak You can Freely distribute this program under the GNU General Public License. See the file "COPYING" for the exact licensing terms. ******************************************************************/ //#define QT_CLEAN_NAMESPACE #include "workspace.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "plugins.h" #include "client.h" #include "popupinfo.h" #include "tabbox.h" #include "atoms.h" #include "placement.h" #include "notifications.h" #include "group.h" #include "rules.h" #include #include #include #include extern Time qt_x_time; namespace KWinInternal { extern int screen_number; Workspace *Workspace::_self = 0; KProcess* kompmgr; bool allowKompmgrRestart = TRUE; // Rikkus: This class is too complex. It needs splitting further. // It's a nightmare to understand, especially with so few comments :( // Matthias: Feel free to ask me questions about it. Feel free to add // comments. I dissagree that further splittings makes it easier. 2500 // lines are not too much. It's the task that is complex, not the // code. Workspace::Workspace( bool restore ) : DCOPObject ("KWinInterface"), QObject (0, "workspace"), current_desktop (0), number_of_desktops(0), active_popup( NULL ), active_popup_client( NULL ), desktop_widget (0), temporaryRulesMessages( "_KDE_NET_WM_TEMPORARY_RULES", NULL, false ), active_client (0), last_active_client (0), most_recently_raised (0), movingClient(0), pending_take_activity ( NULL ), delayfocus_client (0), was_user_interaction (false), session_saving (false), control_grab (false), tab_grab (false), mouse_emulation (false), block_focus (0), tab_box (0), popupinfo (0), popup (0), advanced_popup (0), desk_popup (0), desk_popup_index (0), keys (0), client_keys ( NULL ), client_keys_dialog ( NULL ), client_keys_client ( NULL ), root (0), workspaceInit (true), startup(0), electric_have_borders(false), electric_current_border(0), electric_top_border(None), electric_bottom_border(None), electric_left_border(None), electric_right_border(None), layoutOrientation(Qt::Vertical), layoutX(-1), layoutY(2), workarea(NULL), screenarea(NULL), managing_topmenus( false ), topmenu_selection( NULL ), topmenu_watcher( NULL ), topmenu_height( 0 ), topmenu_space( NULL ), set_active_client_recursion( 0 ), block_stacking_updates( 0 ), forced_global_mouse_grab( false ) { _self = this; mgr = new PluginMgr; root = qt_xrootwin(); default_colormap = DefaultColormap(qt_xdisplay(), qt_xscreen() ); installed_colormap = default_colormap; session.setAutoDelete( TRUE ); connect( &temporaryRulesMessages, SIGNAL( gotMessage( const QString& )), this, SLOT( gotTemporaryRulesMessage( const QString& ))); connect( &rulesUpdatedTimer, SIGNAL( timeout()), this, SLOT( writeWindowRules())); updateXTime(); // needed for proper initialization of user_time in Client ctor delayFocusTimer = 0; electric_time_first = qt_x_time; electric_time_last = qt_x_time; if ( restore ) loadSessionInfo(); loadWindowRules(); (void) QApplication::desktop(); // trigger creation of desktop widget desktop_widget = new QWidget( 0, "desktop_widget", Qt::WType_Desktop | Qt::WPaintUnclipped ); kapp->setGlobalMouseTracking( true ); // so that this doesn't mess eventmask on root window later // call this before XSelectInput() on the root window startup = new KStartupInfo( KStartupInfo::DisableKWinModule | KStartupInfo::AnnounceSilenceChanges, this ); // select windowmanager privileges XSelectInput(qt_xdisplay(), root, KeyPressMask | PropertyChangeMask | ColormapChangeMask | SubstructureRedirectMask | SubstructureNotifyMask | FocusChangeMask // for NotifyDetailNone ); Shape::init(); // compatibility long data = 1; XChangeProperty( qt_xdisplay(), qt_xrootwin(), atoms->kwin_running, atoms->kwin_running, 32, PropModeAppend, (unsigned char*) &data, 1 ); client_keys = new KGlobalAccel( this ); initShortcuts(); tab_box = new TabBox( this ); popupinfo = new PopupInfo( ); init(); #if (QT_VERSION-0 >= 0x030200) // XRANDR support connect( kapp->desktop(), SIGNAL( resized( int )), SLOT( desktopResized())); #endif // start kompmgr - i wanted to put this into main.cpp, but that would prevent dcop support, as long as Application was no dcop_object if (options->useTranslucency) { kompmgr = new KProcess; connect(kompmgr, SIGNAL(receivedStderr(KProcess*, char*, int)), SLOT(handleKompmgrOutput(KProcess*, char*, int))); *kompmgr << "kompmgr"; startKompmgr(); } } void Workspace::init() { checkElectricBorders(); // not used yet // topDock = 0L; // maximizedWindowCounter = 0; supportWindow = new QWidget; XLowerWindow( qt_xdisplay(), supportWindow->winId()); // see usage in layers.cpp XSetWindowAttributes attr; attr.override_redirect = 1; null_focus_window = XCreateWindow( qt_xdisplay(), qt_xrootwin(), -1,-1, 1, 1, 0, CopyFromParent, InputOnly, CopyFromParent, CWOverrideRedirect, &attr ); XMapWindow(qt_xdisplay(), null_focus_window); unsigned long protocols[ 5 ] = { NET::Supported | NET::SupportingWMCheck | NET::ClientList | NET::ClientListStacking | NET::DesktopGeometry | NET::NumberOfDesktops | NET::CurrentDesktop | NET::ActiveWindow | NET::WorkArea | NET::CloseWindow | NET::DesktopNames | NET::KDESystemTrayWindows | NET::WMName | NET::WMVisibleName | NET::WMDesktop | NET::WMWindowType | NET::WMState | NET::WMStrut | NET::WMIconGeometry | NET::WMIcon | NET::WMPid | NET::WMMoveResize | NET::WMKDESystemTrayWinFor | NET::WMKDEFrameStrut | NET::WMPing , NET::NormalMask | NET::DesktopMask | NET::DockMask | NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask | NET::TopMenuMask | NET::UtilityMask | NET::SplashMask | 0 , NET::Modal | // NET::Sticky | // large desktops not supported (and probably never will be) NET::MaxVert | NET::MaxHoriz | NET::Shaded | NET::SkipTaskbar | NET::KeepAbove | // NET::StaysOnTop | the same like KeepAbove NET::SkipPager | NET::Hidden | NET::FullScreen | NET::KeepBelow | NET::DemandsAttention | 0 , NET::WM2UserTime | NET::WM2StartupId | NET::WM2AllowedActions | NET::WM2RestackWindow | NET::WM2MoveResizeWindow | NET::WM2ExtendedStrut | NET::WM2KDETemporaryRules | 0 , NET::ActionMove | NET::ActionResize | NET::ActionMinimize | NET::ActionShade | // NET::ActionStick | // Sticky state is not supported NET::ActionMaxVert | NET::ActionMaxHoriz | NET::ActionFullScreen | NET::ActionChangeDesktop | NET::ActionClose | 0 , }; rootInfo = new RootInfo( this, qt_xdisplay(), supportWindow->winId(), "KWin", protocols, 5, qt_xscreen() ); loadDesktopSettings(); // extra NETRootInfo instance in Client mode is needed to get the values of the properties NETRootInfo client_info( qt_xdisplay(), NET::ActiveWindow | NET::CurrentDesktop ); int initial_desktop; if( !kapp->isSessionRestored()) initial_desktop = client_info.currentDesktop(); else { KConfigGroupSaver saver( kapp->sessionConfig(), "Session" ); initial_desktop = kapp->sessionConfig()->readNumEntry( "desktop", 1 ); } if( !setCurrentDesktop( initial_desktop )) setCurrentDesktop( 1 ); // now we know how many desktops we'll, thus, we initialise the positioning object initPositioning = new Placement(this); connect(&reconfigureTimer, SIGNAL(timeout()), this, SLOT(slotReconfigure())); connect( &updateToolWindowsTimer, SIGNAL( timeout()), this, SLOT( slotUpdateToolWindows())); connect(kapp, SIGNAL(appearanceChanged()), this, SLOT(slotReconfigure())); connect(kapp, SIGNAL(settingsChanged(int)), this, SLOT(slotSettingsChanged(int))); active_client = NULL; rootInfo->setActiveWindow( None ); focusToNull(); if( !kapp->isSessionRestored()) ++block_focus; // because it will be set below char nm[ 100 ]; sprintf( nm, "_KDE_TOPMENU_OWNER_S%d", DefaultScreen( qt_xdisplay())); Atom topmenu_atom = XInternAtom( qt_xdisplay(), nm, False ); topmenu_selection = new KSelectionOwner( topmenu_atom ); topmenu_watcher = new KSelectionWatcher( topmenu_atom ); // TODO grabXServer(); - where exactly put this? topmenu selection claiming down belong must be before { // begin updates blocker block StackingUpdatesBlocker blocker( this ); if( options->topMenuEnabled() && topmenu_selection->claim( false )) setupTopMenuHandling(); // this can call updateStackingOrder() else lostTopMenuSelection(); unsigned int i, nwins; Window root_return, parent_return, *wins; XQueryTree(qt_xdisplay(), root, &root_return, &parent_return, &wins, &nwins); for (i = 0; i < nwins; i++) { XWindowAttributes attr; XGetWindowAttributes(qt_xdisplay(), wins[i], &attr); if (attr.override_redirect ) continue; if( topmenu_space && topmenu_space->winId() == wins[ i ] ) continue; if (attr.map_state != IsUnmapped) { if ( addSystemTrayWin( wins[i] ) ) continue; Client* c = createClient( wins[i], true ); if ( c != NULL && root != qt_xrootwin() ) { // TODO what is this? // TODO may use QWidget:.create XReparentWindow( qt_xdisplay(), c->frameId(), root, 0, 0 ); c->move(0,0); } } } if ( wins ) XFree((void *) wins); // propagate clients, will really happen at the end of the updates blocker block updateStackingOrder( true ); updateClientArea(); raiseElectricBorders(); // NETWM spec says we have to set it to (0,0) if we don't support it NETPoint* viewports = new NETPoint[ number_of_desktops ]; rootInfo->setDesktopViewport( number_of_desktops, *viewports ); delete[] viewports; QRect geom = QApplication::desktop()->geometry(); NETSize desktop_geometry; desktop_geometry.width = geom.width(); desktop_geometry.height = geom.height(); // TODO update also after gaining XRANDR support rootInfo->setDesktopGeometry( -1, desktop_geometry ); } // end updates blocker block Client* new_active_client = NULL; if( !kapp->isSessionRestored()) { --block_focus; new_active_client = findClient( WindowMatchPredicate( client_info.activeWindow())); } if( new_active_client == NULL && activeClient() == NULL && should_get_focus.count() == 0 ) // no client activated in manage() { if( new_active_client == NULL ) new_active_client = topClientOnDesktop( currentDesktop()); if( new_active_client == NULL && !desktops.isEmpty() ) new_active_client = findDesktop( true, currentDesktop()); } if( new_active_client != NULL ) activateClient( new_active_client ); // SELI TODO this won't work with unreasonable focus policies, // and maybe in rare cases also if the selected client doesn't // want focus workspaceInit = false; // TODO ungrabXServer() } Workspace::~Workspace() { if (kompmgr) delete kompmgr; blockStackingUpdates( true ); // TODO grabXServer(); // use stacking_order, so that kwin --replace keeps stacking order for( ClientList::ConstIterator it = stacking_order.begin(); it != stacking_order.end(); ++it ) { // only release the window (*it)->releaseWindow( true ); // no removeClient() is called ! } delete desktop_widget; delete tab_box; delete popupinfo; delete popup; if ( root == qt_xrootwin() ) XDeleteProperty(qt_xdisplay(), qt_xrootwin(), atoms->kwin_running); writeWindowRules(); KGlobal::config()->sync(); delete rootInfo; delete supportWindow; delete mgr; delete[] workarea; delete[] screenarea; delete startup; delete initPositioning; delete topmenu_watcher; delete topmenu_selection; delete topmenu_space; delete client_keys_dialog; while( !rules.isEmpty()) { delete rules.front(); rules.pop_front(); } XDestroyWindow( qt_xdisplay(), null_focus_window ); // TODO ungrabXServer(); _self = 0; } Client* Workspace::createClient( Window w, bool is_mapped ) { StackingUpdatesBlocker blocker( this ); Client* c = new Client( this ); if( !c->manage( w, is_mapped )) { Client::deleteClient( c, Allowed ); return NULL; } addClient( c, Allowed ); return c; } void Workspace::addClient( Client* c, allowed_t ) { // waited with trans settings until window figured out if active or not ;) // qWarning("%s", (const char*)(c->resourceClass())); c->setBMP(c->resourceName() == "beep-media-player" || c->decorationId() == None); // first check if the window has it's own opinion of it's translucency ;) c->getWindowOpacity(); if (c->isDock()) { // if (c->x() == 0 && c->y() == 0 && c->width() > c->height()) topDock = c; if (!c->hasCustomOpacity()) // this xould be done slightly more efficient, but we want to support the topDock in future { c->setShadowSize(options->dockShadowSize); c->setOpacity(options->translucentDocks, options->dockOpacity); } } //------------------------------------------------ Group* grp = findGroup( c->window()); if( grp != NULL ) grp->gotLeader( c ); if ( c->isDesktop() ) { desktops.append( c ); if( active_client == NULL && should_get_focus.isEmpty() && c->isOnCurrentDesktop()) requestFocus( c ); // CHECKME? make sure desktop is active after startup if there's no other window active } else { if ( c->wantsTabFocus() && !focus_chain.contains( c )) focus_chain.append( c ); clients.append( c ); } if( !unconstrained_stacking_order.contains( c )) unconstrained_stacking_order.append( c ); if( !stacking_order.contains( c )) // it'll be updated later, and updateToolWindows() requires stacking_order.append( c ); // c to be in stacking_order if( c->isTopMenu()) addTopMenu( c ); updateClientArea(); // this cannot be in manage(), because the client got added only now updateClientLayer( c ); if( c->isDesktop()) { raiseClient( c ); // if there's no active client, make this desktop the active one if( activeClient() == NULL && should_get_focus.count() == 0 ) activateClient( findDesktop( true, currentDesktop())); } c->checkActiveModal(); checkTransients( c->window()); // SELI does this really belong here? updateStackingOrder( true ); // propagate new client if( c->isUtility() || c->isMenu() || c->isToolbar()) updateToolWindows( true ); } /* Destroys the client \a c */ void Workspace::removeClient( Client* c, allowed_t ) { if (c == active_popup_client) closeActivePopup(); if( client_keys_client == c ) setupWindowShortcutDone( false ); if( !c->shortcut().isNull()) c->setShortcut( QString::null ); // remove from client_keys if( c->isDialog()) Notify::raise( Notify::TransDelete ); if( c->isNormalWindow()) Notify::raise( Notify::Delete ); Q_ASSERT( clients.contains( c ) || desktops.contains( c )); clients.remove( c ); desktops.remove( c ); unconstrained_stacking_order.remove( c ); stacking_order.remove( c ); focus_chain.remove( c ); attention_chain.remove( c ); if( c->isTopMenu()) removeTopMenu( c ); Group* group = findGroup( c->window()); if( group != NULL ) group->lostLeader(); if ( c == most_recently_raised ) most_recently_raised = 0; should_get_focus.remove( c ); Q_ASSERT( c != active_client ); if ( c == last_active_client ) last_active_client = 0; if( c == pending_take_activity ) pending_take_activity = NULL; if( c == delayfocus_client ) cancelDelayFocus(); updateStackingOrder( true ); if (tab_grab) tab_box->repaint(); updateClientArea(); } void Workspace::updateCurrentTopMenu() { if( !managingTopMenus()) return; // toplevel menubar handling Client* menubar = 0; bool block_desktop_menubar = false; if( active_client ) { // show the new menu bar first... Client* menu_client = active_client; for(;;) { if( menu_client->isFullScreen()) block_desktop_menubar = true; for( ClientList::ConstIterator it = menu_client->transients().begin(); it != menu_client->transients().end(); ++it ) if( (*it)->isTopMenu()) { menubar = *it; break; } if( menubar != NULL || !menu_client->isTransient()) break; if( menu_client->isModal() || menu_client->transientFor() == NULL ) break; // don't use mainwindow's menu if this is modal or group transient menu_client = menu_client->transientFor(); } if( !menubar ) { // try to find any topmenu from the application (#72113) for( ClientList::ConstIterator it = active_client->group()->members().begin(); it != active_client->group()->members().end(); ++it ) if( (*it)->isTopMenu()) { menubar = *it; break; } } } if( !menubar && !block_desktop_menubar && options->desktopTopMenu()) { // Find the menubar of the desktop Client* desktop = findDesktop( true, currentDesktop()); if( desktop != NULL ) { for( ClientList::ConstIterator it = desktop->transients().begin(); it != desktop->transients().end(); ++it ) if( (*it)->isTopMenu()) { menubar = *it; break; } } // TODO to be cleaned app with window grouping // Without qt-copy patch #0009, the topmenu and desktop are not in the same group, // thus the topmenu is not transient for it :-/. if( menubar == NULL ) { for( ClientList::ConstIterator it = topmenus.begin(); it != topmenus.end(); ++it ) if( (*it)->wasOriginallyGroupTransient()) // kdesktop's topmenu has WM_TRANSIENT_FOR { // set pointing to the root window menubar = *it; // to recognize it here break; // Also, with the xroot hack in kdesktop, } // there's no NET::Desktop window to be transient for } } // kdDebug() << "CURRENT TOPMENU:" << menubar << ":" << active_client << endl; if ( menubar ) { if( active_client && !menubar->isOnDesktop( active_client->desktop())) menubar->setDesktop( active_client->desktop()); menubar->hideClient( false ); topmenu_space->hide(); // make it appear like it's been raised manually - it's in the Dock layer anyway, // and not raising it could mess up stacking order of topmenus within one application, // and thus break raising of mainclients in raiseClient() unconstrained_stacking_order.remove( menubar ); unconstrained_stacking_order.append( menubar ); } else if( !block_desktop_menubar ) { // no topmenu active - show the space window, so that there's not empty space topmenu_space->show(); } // ... then hide the other ones. Avoids flickers. for ( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it) { if( (*it)->isTopMenu() && (*it) != menubar ) (*it)->hideClient( true ); } } void Workspace::updateToolWindows( bool also_hide ) { // TODO what if Client's transiency/group changes? should this be called too? (I'm paranoid, am I not?) const Group* group = NULL; const Client* client = active_client; // Go up in transiency hiearchy, if the top is found, only tool transients for the top mainwindow // will be shown; if a group transient is group, all tools in the group will be shown while( client != NULL ) { if( !client->isTransient()) break; if( client->groupTransient()) { group = client->group(); break; } client = client->transientFor(); } // use stacking order only to reduce flicker, it doesn't matter if block_stacking_updates == 0, // i.e. if it's not up to date // SELI but maybe it should - what if a new client has been added that's not in stacking order yet? ClientList to_show, to_hide; for( ClientList::ConstIterator it = stacking_order.begin(); it != stacking_order.end(); ++it ) { if( (*it)->isUtility() || (*it)->isMenu() || (*it)->isToolbar()) { bool show = true; if( !(*it)->isTransient()) { if( (*it)->group()->members().count() == 1 ) // has its own group, keep always visible show = true; else if( client != NULL && (*it)->group() == client->group()) show = true; else show = false; } else { if( group != NULL && (*it)->group() == group ) show = true; else if( client != NULL && client->hasTransient( (*it), true )) show = true; else show = false; } if( !show && also_hide ) { const ClientList mainclients = (*it)->mainClients(); // don't hide utility windows which are standalone(?) or // have e.g. kicker as mainwindow if( mainclients.isEmpty()) show = true; for( ClientList::ConstIterator it2 = mainclients.begin(); it2 != mainclients.end(); ++it2 ) { if( (*it2)->isSpecialWindow()) show = true; } if( !show ) to_hide.append( *it ); } if( show ) to_show.append( *it ); } } // first show new ones, then hide for( ClientList::ConstIterator it = to_show.fromLast(); it != to_show.end(); --it ) // from topmost // TODO since this is in stacking order, the order of taskbar entries changes :( (*it)->hideClient( false ); if( also_hide ) { for( ClientList::ConstIterator it = to_hide.begin(); it != to_hide.end(); ++it ) // from bottommost (*it)->hideClient( true ); updateToolWindowsTimer.stop(); } else // setActiveClient() is after called with NULL client, quickly followed { // by setting a new client, which would result in flickering updateToolWindowsTimer.start( 50, true ); } } void Workspace::slotUpdateToolWindows() { updateToolWindows( true ); } /*! Updates the current colormap according to the currently active client */ void Workspace::updateColormap() { Colormap cmap = default_colormap; if ( activeClient() && activeClient()->colormap() != None ) cmap = activeClient()->colormap(); if ( cmap != installed_colormap ) { XInstallColormap(qt_xdisplay(), cmap ); installed_colormap = cmap; } } void Workspace::reconfigure() { reconfigureTimer.start(200, true); } void Workspace::slotSettingsChanged(int category) { kdDebug(1212) << "Workspace::slotSettingsChanged()" << endl; if( category == (int) KApplication::SETTINGS_SHORTCUTS ) readShortcuts(); } /*! Reread settings */ KWIN_PROCEDURE( CheckBorderSizesProcedure, cl->checkBorderSizes() ); KWIN_PROCEDURE( ResetupRulesProcedure, cl->setupWindowRules( true ) ); void Workspace::slotReconfigure() { kdDebug(1212) << "Workspace::slotReconfigure()" << endl; reconfigureTimer.stop(); KGlobal::config()->reparseConfiguration(); unsigned long changed = options->updateSettings(); tab_box->reconfigure(); popupinfo->reconfigure(); readShortcuts(); forEachClient( CheckIgnoreFocusStealingProcedure()); if( mgr->reset( changed )) { // decorations need to be recreated #if 0 // This actually seems to make things worse now QWidget curtain; curtain.setBackgroundMode( NoBackground ); curtain.setGeometry( QApplication::desktop()->geometry() ); curtain.show(); #endif for( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it ) { (*it)->updateDecoration( true, true ); } mgr->destroyPreviousPlugin(); } else { forEachClient( CheckBorderSizesProcedure()); } checkElectricBorders(); if( options->topMenuEnabled() && !managingTopMenus()) { if( topmenu_selection->claim( false )) setupTopMenuHandling(); else lostTopMenuSelection(); } else if( !options->topMenuEnabled() && managingTopMenus()) { topmenu_selection->release(); lostTopMenuSelection(); } topmenu_height = 0; // invalidate used menu height if( managingTopMenus()) { updateTopMenuGeometry(); updateCurrentTopMenu(); } loadWindowRules(); forEachClient( ResetupRulesProcedure()); if (options->resetKompmgr) // need restart { bool tmp = options->useTranslucency; stopKompmgr(); if (tmp) QTimer::singleShot( 200, this, SLOT(startKompmgr()) ); // wait some time to ensure system's ready for restart } } void Workspace::loadDesktopSettings() { KConfig* c = KGlobal::config(); QCString groupname; if (screen_number == 0) groupname = "Desktops"; else groupname.sprintf("Desktops-screen-%d", screen_number); KConfigGroupSaver saver(c,groupname); int n = c->readNumEntry("Number", 4); number_of_desktops = n; delete workarea; workarea = new QRect[ n + 1 ]; delete screenarea; screenarea = NULL; rootInfo->setNumberOfDesktops( number_of_desktops ); desktop_focus_chain.resize( n ); for(int i = 1; i <= n; i++) { QString s = c->readEntry(QString("Name_%1").arg(i), i18n("Desktop %1").arg(i)); rootInfo->setDesktopName( i, s.utf8().data() ); desktop_focus_chain[i-1] = i; } } void Workspace::saveDesktopSettings() { KConfig* c = KGlobal::config(); QCString groupname; if (screen_number == 0) groupname = "Desktops"; else groupname.sprintf("Desktops-screen-%d", screen_number); KConfigGroupSaver saver(c,groupname); c->writeEntry("Number", number_of_desktops ); for(int i = 1; i <= number_of_desktops; i++) { QString s = desktopName( i ); QString defaultvalue = i18n("Desktop %1").arg(i); if ( s.isEmpty() ) { s = defaultvalue; rootInfo->setDesktopName( i, s.utf8().data() ); } if (s != defaultvalue) { c->writeEntry( QString("Name_%1").arg(i), s ); } else { QString currentvalue = c->readEntry(QString("Name_%1").arg(i)); if (currentvalue != defaultvalue) c->writeEntry( QString("Name_%1").arg(i), "" ); } } } QStringList Workspace::configModules(bool controlCenter) { QStringList args; args << "kde-kwindecoration.desktop"; if (controlCenter) args << "kde-kwinoptions.desktop"; else if (kapp->authorizeControlModule("kde-kwinoptions.desktop")) args << "kwinactions" << "kwinfocus" << "kwinmoving" << "kwinadvanced" << "kwinrules" << "kwintranslucency"; return args; } void Workspace::configureWM() { KApplication::kdeinitExec( "kcmshell", configModules(false) ); } /*! avoids managing a window with title \a title */ void Workspace::doNotManage( QString title ) { doNotManageList.append( title ); } /*! Hack for java applets */ bool Workspace::isNotManaged( const QString& title ) { for ( QStringList::Iterator it = doNotManageList.begin(); it != doNotManageList.end(); ++it ) { QRegExp r( (*it) ); if (r.search(title) != -1) { doNotManageList.remove( it ); return TRUE; } } return FALSE; } /*! Refreshes all the client windows */ void Workspace::refresh() { QWidget w; w.setGeometry( QApplication::desktop()->geometry() ); w.show(); w.hide(); QApplication::flushX(); } /*! During virt. desktop switching, desktop areas covered by windows that are going to be hidden are first obscured by new windows with no background ( i.e. transparent ) placed right below the windows. These invisible windows are removed after the switch is complete. Reduces desktop ( wallpaper ) repaints during desktop switching */ class ObscuringWindows { public: ~ObscuringWindows(); void create( Client* c ); private: QValueList obscuring_windows; static QValueList* cached; static unsigned int max_cache_size; }; QValueList* ObscuringWindows::cached = 0; unsigned int ObscuringWindows::max_cache_size = 0; void ObscuringWindows::create( Client* c ) { if( cached == 0 ) cached = new QValueList; Window obs_win; XWindowChanges chngs; int mask = CWSibling | CWStackMode; if( cached->count() > 0 ) { cached->remove( obs_win = cached->first()); chngs.x = c->x(); chngs.y = c->y(); chngs.width = c->width(); chngs.height = c->height(); mask |= CWX | CWY | CWWidth | CWHeight; } else { XSetWindowAttributes a; a.background_pixmap = None; a.override_redirect = True; obs_win = XCreateWindow( qt_xdisplay(), qt_xrootwin(), c->x(), c->y(), c->width(), c->height(), 0, CopyFromParent, InputOutput, CopyFromParent, CWBackPixmap | CWOverrideRedirect, &a ); } chngs.sibling = c->frameId(); chngs.stack_mode = Below; XConfigureWindow( qt_xdisplay(), obs_win, mask, &chngs ); XMapWindow( qt_xdisplay(), obs_win ); obscuring_windows.append( obs_win ); } ObscuringWindows::~ObscuringWindows() { max_cache_size = QMAX( max_cache_size, obscuring_windows.count() + 4 ) - 1; for( QValueList::ConstIterator it = obscuring_windows.begin(); it != obscuring_windows.end(); ++it ) { XUnmapWindow( qt_xdisplay(), *it ); if( cached->count() < max_cache_size ) cached->prepend( *it ); else XDestroyWindow( qt_xdisplay(), *it ); } } /*! Sets the current desktop to \a new_desktop Shows/Hides windows according to the stacking order and finally propages the new desktop to the world */ bool Workspace::setCurrentDesktop( int new_desktop ) { if (new_desktop < 1 || new_desktop > number_of_desktops ) return false; closeActivePopup(); ++block_focus; // TODO Q_ASSERT( block_stacking_updates == 0 ); // make sure stacking_order is up to date StackingUpdatesBlocker blocker( this ); if (new_desktop != current_desktop) { /* optimized Desktop switching: unmapping done from back to front mapping done from front to back => less exposure events */ Notify::raise((Notify::Event) (Notify::DesktopChange+new_desktop)); ObscuringWindows obs_wins; int old_desktop = current_desktop; current_desktop = new_desktop; // change the desktop (so that Client::virtualDesktopChange() works) for ( ClientList::ConstIterator it = stacking_order.begin(); it != stacking_order.end(); ++it) if ( !(*it)->isOnDesktop( new_desktop ) && (*it) != movingClient ) { if( (*it)->isShown( true ) && (*it)->isOnDesktop( old_desktop )) obs_wins.create( *it ); (*it)->virtualDesktopChange(); } rootInfo->setCurrentDesktop( current_desktop ); // now propagate the change, after hiding, before showing if( movingClient && !movingClient->isOnDesktop( new_desktop )) movingClient->setDesktop( new_desktop ); for ( ClientList::ConstIterator it = stacking_order.fromLast(); it != stacking_order.end(); --it) if ( (*it)->isOnDesktop( new_desktop ) ) (*it)->virtualDesktopChange(); } // restore the focus on this desktop --block_focus; Client* c = 0; if ( options->focusPolicyIsReasonable()) { // Search in focus chain if ( focus_chain.contains( active_client ) && active_client->isShown( true ) && active_client->isOnCurrentDesktop()) { c = active_client; // the requestFocus below will fail, as the client is already active } if ( !c ) { for( ClientList::ConstIterator it = focus_chain.fromLast(); it != focus_chain.end(); --it) { if ( (*it)->isShown( false ) && !(*it)->isOnAllDesktops() && (*it)->isOnCurrentDesktop()) { c = *it; break; } } } if ( !c ) { for( ClientList::ConstIterator it = focus_chain.fromLast(); it != focus_chain.end(); --it) { if ( (*it)->isShown( false ) && (*it)->isOnCurrentDesktop()) { c = *it; break; } } } } //if "unreasonable focus policy" // and active_client is on_all_desktops and under mouse (hence == old_active_client), // conserve focus (thanks to Volker Schatz ) else if( active_client && active_client->isShown( true ) && active_client->isOnCurrentDesktop()) c= active_client; if( c != active_client ) setActiveClient( NULL, Allowed ); if ( c ) requestFocus( c ); else focusToNull(); if( !desktops.isEmpty() ) { Window w_tmp; int i_tmp; XGetInputFocus( qt_xdisplay(), &w_tmp, &i_tmp ); if( w_tmp == null_focus_window ) // CHECKME? requestFocus( findDesktop( true, currentDesktop())); } updateCurrentTopMenu(); // Update focus chain: // If input: chain = { 1, 2, 3, 4 } and current_desktop = 3, // Output: chain = { 3, 1, 2, 4 }. // kdDebug(1212) << QString("Switching to desktop #%1, at focus_chain index %2\n") // .arg(current_desktop).arg(desktop_focus_chain.find( current_desktop )); for( int i = desktop_focus_chain.find( current_desktop ); i > 0; i-- ) desktop_focus_chain[i] = desktop_focus_chain[i-1]; desktop_focus_chain[0] = current_desktop; // QString s = "desktop_focus_chain[] = { "; // for( uint i = 0; i < desktop_focus_chain.size(); i++ ) // s += QString::number(desktop_focus_chain[i]) + ", "; // kdDebug(1212) << s << "}\n"; return true; } // called only from DCOP void Workspace::nextDesktop() { int desktop = currentDesktop() + 1; setCurrentDesktop(desktop > numberOfDesktops() ? 1 : desktop); popupinfo->showInfo( desktopName(currentDesktop()) ); } // called only from DCOP void Workspace::previousDesktop() { int desktop = currentDesktop() - 1; setCurrentDesktop(desktop > 0 ? desktop : numberOfDesktops()); popupinfo->showInfo( desktopName(currentDesktop()) ); } int Workspace::desktopToRight( int desktop ) const { int x,y; calcDesktopLayout(x,y); int dt = desktop-1; if (layoutOrientation == Qt::Vertical) { dt += y; if ( dt >= numberOfDesktops() ) { if ( options->rollOverDesktops ) dt -= numberOfDesktops(); else return desktop; } } else { int d = (dt % x) + 1; if ( d >= x ) { if ( options->rollOverDesktops ) d -= x; else return desktop; } dt = dt - (dt % x) + d; } return dt+1; } int Workspace::desktopToLeft( int desktop ) const { int x,y; calcDesktopLayout(x,y); int dt = desktop-1; if (layoutOrientation == Qt::Vertical) { dt -= y; if ( dt < 0 ) { if ( options->rollOverDesktops ) dt += numberOfDesktops(); else return desktop; } } else { int d = (dt % x) - 1; if ( d < 0 ) { if ( options->rollOverDesktops ) d += x; else return desktop; } dt = dt - (dt % x) + d; } return dt+1; } int Workspace::desktopUp( int desktop ) const { int x,y; calcDesktopLayout(x,y); int dt = desktop-1; if (layoutOrientation == Qt::Horizontal) { dt -= x; if ( dt < 0 ) { if ( options->rollOverDesktops ) dt += numberOfDesktops(); else return desktop; } } else { int d = (dt % y) - 1; if ( d < 0 ) { if ( options->rollOverDesktops ) d += y; else return desktop; } dt = dt - (dt % y) + d; } return dt+1; } int Workspace::desktopDown( int desktop ) const { int x,y; calcDesktopLayout(x,y); int dt = desktop-1; if (layoutOrientation == Qt::Horizontal) { dt += x; if ( dt >= numberOfDesktops() ) { if ( options->rollOverDesktops ) dt -= numberOfDesktops(); else return desktop; } } else { int d = (dt % y) + 1; if ( d >= y ) { if ( options->rollOverDesktops ) d -= y; else return desktop; } dt = dt - (dt % y) + d; } return dt+1; } /*! Sets the number of virtual desktops to \a n */ void Workspace::setNumberOfDesktops( int n ) { if ( n == number_of_desktops ) return; int old_number_of_desktops = number_of_desktops; number_of_desktops = n; if( currentDesktop() > numberOfDesktops()) setCurrentDesktop( numberOfDesktops()); // if increasing the number, do the resizing now, // otherwise after the moving of windows to still existing desktops if( old_number_of_desktops < number_of_desktops ) { rootInfo->setNumberOfDesktops( number_of_desktops ); NETPoint* viewports = new NETPoint[ number_of_desktops ]; rootInfo->setDesktopViewport( number_of_desktops, *viewports ); delete[] viewports; updateClientArea( true ); } // if the number of desktops decreased, move all // windows that would be hidden to the last visible desktop if( old_number_of_desktops > number_of_desktops ) { for( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it) { if( !(*it)->isOnAllDesktops() && (*it)->desktop() > numberOfDesktops()) sendClientToDesktop( *it, numberOfDesktops(), true ); } } if( old_number_of_desktops > number_of_desktops ) { rootInfo->setNumberOfDesktops( number_of_desktops ); NETPoint* viewports = new NETPoint[ number_of_desktops ]; rootInfo->setDesktopViewport( number_of_desktops, *viewports ); delete[] viewports; updateClientArea( true ); } saveDesktopSettings(); // Resize and reset the desktop focus chain. desktop_focus_chain.resize( n ); for( int i = 0; i < (int)desktop_focus_chain.size(); i++ ) desktop_focus_chain[i] = i+1; } /*! Sends client \a c to desktop \a desk. Takes care of transients as well. */ void Workspace::sendClientToDesktop( Client* c, int desk, bool dont_activate ) { bool was_on_desktop = c->isOnDesktop( desk ) || c->isOnAllDesktops(); c->setDesktop( desk ); if ( c->desktop() != desk ) // no change or desktop forced return; desk = c->desktop(); // Client did range checking if ( c->isOnDesktop( currentDesktop() ) ) { if ( c->wantsTabFocus() && options->focusPolicyIsReasonable() && !was_on_desktop // for stickyness changes && !dont_activate ) requestFocus( c ); else restackClientUnderActive( c ); } else { raiseClient( c ); focus_chain.remove( c ); if ( c->wantsTabFocus() ) focus_chain.append( c ); } ClientList transients_stacking_order = ensureStackingOrder( c->transients()); for( ClientList::ConstIterator it = transients_stacking_order.begin(); it != transients_stacking_order.end(); ++it ) sendClientToDesktop( *it, desk, dont_activate ); updateClientArea(); } void Workspace::setDesktopLayout(int o, int x, int y) { layoutOrientation = (Qt::Orientation) o; layoutX = x; layoutY = y; } void Workspace::calcDesktopLayout(int &x, int &y) const { x = layoutX; y = layoutY; if ((x == -1) && (y > 0)) x = (numberOfDesktops()+y-1) / y; else if ((y == -1) && (x > 0)) y = (numberOfDesktops()+x-1) / x; if (x == -1) x = 1; if (y == -1) y = 1; } /*! Check whether \a w is a system tray window. If so, add it to the respective datastructures and propagate it to the world. */ bool Workspace::addSystemTrayWin( WId w ) { if ( systemTrayWins.contains( w ) ) return TRUE; NETWinInfo ni( qt_xdisplay(), w, root, NET::WMKDESystemTrayWinFor ); WId trayWinFor = ni.kdeSystemTrayWinFor(); if ( !trayWinFor ) return FALSE; systemTrayWins.append( SystemTrayWindow( w, trayWinFor ) ); XSelectInput( qt_xdisplay(), w, StructureNotifyMask ); XAddToSaveSet( qt_xdisplay(), w ); propagateSystemTrayWins(); return TRUE; } /*! Check whether \a w is a system tray window. If so, remove it from the respective datastructures and propagate this to the world. */ bool Workspace::removeSystemTrayWin( WId w, bool check ) { if ( !systemTrayWins.contains( w ) ) return FALSE; if( check ) { // When getting UnmapNotify, it's not clear if it's the systray // reparenting the window into itself, or if it's the window // going away. This is obviously a flaw in the design, and we were // just lucky it worked for so long. Kicker's systray temporarily // sets _KDE_SYSTEM_TRAY_EMBEDDING property on the window while // embedding it, allowing KWin to figure out. Kicker just mustn't // crash before removing it again ... *shrug* . int num_props; Atom* props = XListProperties( qt_xdisplay(), w, &num_props ); if( props != NULL ) { for( int i = 0; i < num_props; ++i ) if( props[ i ] == atoms->kde_system_tray_embedding ) { XFree( props ); return false; } XFree( props ); } } systemTrayWins.remove( w ); propagateSystemTrayWins(); return TRUE; } /*! Propagates the systemTrayWins to the world */ void Workspace::propagateSystemTrayWins() { Window *cl = new Window[ systemTrayWins.count()]; int i = 0; for ( SystemTrayWindowList::ConstIterator it = systemTrayWins.begin(); it != systemTrayWins.end(); ++it ) { cl[i++] = (*it).win; } rootInfo->setKDESystemTrayWindows( cl, i ); delete [] cl; } void Workspace::killWindowId( Window window_to_kill ) { if( window_to_kill == None ) return; Window window = window_to_kill; Client* client = NULL; for(;;) { client = findClient( FrameIdMatchPredicate( window )); if( client != NULL ) // found the client break; Window parent, root; Window* children; unsigned int children_count; XQueryTree( qt_xdisplay(), window, &root, &parent, &children, &children_count ); if( children != NULL ) XFree( children ); if( window == root ) // we didn't find the client, probably an override-redirect window break; window = parent; // go up } if( client != NULL ) client->killWindow(); else XKillClient( qt_xdisplay(), window_to_kill ); } void Workspace::sendPingToWindow( Window window, Time timestamp ) { rootInfo->sendPing( window, timestamp ); } void Workspace::sendTakeActivity( Client* c, Time timestamp, long flags ) { rootInfo->takeActivity( c->window(), timestamp, flags ); pending_take_activity = c; } /*! Takes a screenshot of the current window and puts it in the clipboard. */ void Workspace::slotGrabWindow() { if ( active_client ) { QPixmap snapshot = QPixmap::grabWindow( active_client->frameId() ); //No XShape - no work. if( Shape::available()) { //As the first step, get the mask from XShape. int count, order; XRectangle* rects = XShapeGetRectangles( qt_xdisplay(), active_client->frameId(), ShapeBounding, &count, &order); //The ShapeBounding region is the outermost shape of the window; //ShapeBounding - ShapeClipping is defined to be the border. //Since the border area is part of the window, we use bounding // to limit our work region if (rects) { //Create a QRegion from the rectangles describing the bounding mask. QRegion contents; for (int pos = 0; pos < count; pos++) contents += QRegion(rects[pos].x, rects[pos].y, rects[pos].width, rects[pos].height); XFree(rects); //Create the bounding box. QRegion bbox(0, 0, snapshot.width(), snapshot.height()); //Get the masked away area. QRegion maskedAway = bbox - contents; QMemArray maskedAwayRects = maskedAway.rects(); //Construct a bitmap mask from the rectangles QBitmap mask( snapshot.width(), snapshot.height()); QPainter p(&mask); p.fillRect(0, 0, mask.width(), mask.height(), Qt::color1); for (uint pos = 0; pos < maskedAwayRects.count(); pos++) p.fillRect(maskedAwayRects[pos], Qt::color0); p.end(); snapshot.setMask(mask); } } QClipboard *cb = QApplication::clipboard(); cb->setPixmap( snapshot ); } else slotGrabDesktop(); } /*! Takes a screenshot of the whole desktop and puts it in the clipboard. */ void Workspace::slotGrabDesktop() { QPixmap p = QPixmap::grabWindow( qt_xrootwin() ); QClipboard *cb = QApplication::clipboard(); cb->setPixmap( p ); } /*! Invokes keyboard mouse emulation */ void Workspace::slotMouseEmulation() { if ( mouse_emulation ) { XUngrabKeyboard(qt_xdisplay(), qt_x_time); mouse_emulation = FALSE; return; } if ( XGrabKeyboard(qt_xdisplay(), root, FALSE, GrabModeAsync, GrabModeAsync, qt_x_time) == GrabSuccess ) { mouse_emulation = TRUE; mouse_emulation_state = 0; mouse_emulation_window = 0; } } /*! Returns the child window under the mouse and activates the respective client if necessary. Auxiliary function for the mouse emulation system. */ WId Workspace::getMouseEmulationWindow() { Window root; Window child = qt_xrootwin(); int root_x, root_y, lx, ly; uint state; Window w; Client * c = 0; do { w = child; if (!c) c = findClient( FrameIdMatchPredicate( w )); XQueryPointer( qt_xdisplay(), w, &root, &child, &root_x, &root_y, &lx, &ly, &state ); } while ( child != None && child != w ); if ( c && !c->isActive() ) activateClient( c ); return (WId) w; } /*! Sends a faked mouse event to the specified window. Returns the new button state. */ unsigned int Workspace::sendFakedMouseEvent( QPoint pos, WId w, MouseEmulation type, int button, unsigned int state ) { if ( !w ) return state; QWidget* widget = QWidget::find( w ); if ( (!widget || widget->inherits("QToolButton") ) && !findClient( WindowMatchPredicate( w )) ) { int x, y; Window xw; XTranslateCoordinates( qt_xdisplay(), qt_xrootwin(), w, pos.x(), pos.y(), &x, &y, &xw ); if ( type == EmuMove ) { // motion notify events XMotionEvent e; e.type = MotionNotify; e.window = w; e.root = qt_xrootwin(); e.subwindow = w; e.time = qt_x_time; e.x = x; e.y = y; e.x_root = pos.x(); e.y_root = pos.y(); e.state = state; e.is_hint = NotifyNormal; XSendEvent( qt_xdisplay(), w, TRUE, ButtonMotionMask, (XEvent*)&e ); } else { XButtonEvent e; e.type = type == EmuRelease ? ButtonRelease : ButtonPress; e.window = w; e.root = qt_xrootwin(); e.subwindow = w; e.time = qt_x_time; e.x = x; e.y = y; e.x_root = pos.x(); e.y_root = pos.y(); e.state = state; e.button = button; XSendEvent( qt_xdisplay(), w, TRUE, ButtonPressMask, (XEvent*)&e ); if ( type == EmuPress ) { switch ( button ) { case 2: state |= Button2Mask; break; case 3: state |= Button3Mask; break; default: // 1 state |= Button1Mask; break; } } else { switch ( button ) { case 2: state &= ~Button2Mask; break; case 3: state &= ~Button3Mask; break; default: // 1 state &= ~Button1Mask; break; } } } } return state; } /*! Handles keypress event during mouse emulation */ bool Workspace::keyPressMouseEmulation( XKeyEvent& ev ) { if ( root != qt_xrootwin() ) return FALSE; int kc = XKeycodeToKeysym(qt_xdisplay(), ev.keycode, 0); int km = ev.state & (ControlMask | Mod1Mask | ShiftMask); bool is_control = km & ControlMask; bool is_alt = km & Mod1Mask; bool is_shift = km & ShiftMask; int delta = is_control?1:is_alt?32:8; QPoint pos = QCursor::pos(); switch ( kc ) { case XK_Left: case XK_KP_Left: pos.rx() -= delta; break; case XK_Right: case XK_KP_Right: pos.rx() += delta; break; case XK_Up: case XK_KP_Up: pos.ry() -= delta; break; case XK_Down: case XK_KP_Down: pos.ry() += delta; break; case XK_F1: if ( !mouse_emulation_state ) mouse_emulation_window = getMouseEmulationWindow(); if ( (mouse_emulation_state & Button1Mask) == 0 ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuPress, Button1, mouse_emulation_state ); if ( !is_shift ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button1, mouse_emulation_state ); break; case XK_F2: if ( !mouse_emulation_state ) mouse_emulation_window = getMouseEmulationWindow(); if ( (mouse_emulation_state & Button2Mask) == 0 ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuPress, Button2, mouse_emulation_state ); if ( !is_shift ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button2, mouse_emulation_state ); break; case XK_F3: if ( !mouse_emulation_state ) mouse_emulation_window = getMouseEmulationWindow(); if ( (mouse_emulation_state & Button3Mask) == 0 ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuPress, Button3, mouse_emulation_state ); if ( !is_shift ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button3, mouse_emulation_state ); break; case XK_Return: case XK_space: case XK_KP_Enter: case XK_KP_Space: { if ( !mouse_emulation_state ) { // nothing was pressed, fake a LMB click mouse_emulation_window = getMouseEmulationWindow(); mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuPress, Button1, mouse_emulation_state ); mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button1, mouse_emulation_state ); } else { // release all if ( mouse_emulation_state & Button1Mask ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button1, mouse_emulation_state ); if ( mouse_emulation_state & Button2Mask ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button2, mouse_emulation_state ); if ( mouse_emulation_state & Button3Mask ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuRelease, Button3, mouse_emulation_state ); } } // fall through case XK_Escape: XUngrabKeyboard(qt_xdisplay(), qt_x_time); mouse_emulation = FALSE; return TRUE; default: return FALSE; } QCursor::setPos( pos ); if ( mouse_emulation_state ) mouse_emulation_state = sendFakedMouseEvent( pos, mouse_emulation_window, EmuMove, 0, mouse_emulation_state ); return TRUE; } /*! Returns the workspace's desktop widget. The desktop widget is sometimes required by clients to draw on it, for example outlines on moving or resizing. */ QWidget* Workspace::desktopWidget() { return desktop_widget; } //Delayed focus functions void Workspace::delayFocus() { requestFocus( delayfocus_client ); cancelDelayFocus(); } void Workspace::requestDelayFocus( Client* c ) { delayfocus_client = c; delete delayFocusTimer; delayFocusTimer = new QTimer( this ); connect( delayFocusTimer, SIGNAL( timeout() ), this, SLOT( delayFocus() ) ); delayFocusTimer->start( options->delayFocusInterval, TRUE ); } void Workspace::cancelDelayFocus() { delete delayFocusTimer; delayFocusTimer = 0; } // Electric Borders //========================================================================// // Electric Border Window management. Electric borders allow a user // to change the virtual desktop by moving the mouse pointer to the // borders. Technically this is done with input only windows. Since // electric borders can be switched on and off, we have these two // functions to create and destroy them. void Workspace::checkElectricBorders( bool force ) { if( force ) destroyBorderWindows(); electric_current_border = 0; QRect r = QApplication::desktop()->geometry(); electricTop = r.top(); electricBottom = r.bottom(); electricLeft = r.left(); electricRight = r.right(); if (options->electricBorders() == Options::ElectricAlways) createBorderWindows(); else destroyBorderWindows(); } void Workspace::createBorderWindows() { if ( electric_have_borders ) return; electric_have_borders = true; QRect r = QApplication::desktop()->geometry(); XSetWindowAttributes attributes; unsigned long valuemask; attributes.override_redirect = True; attributes.event_mask = (EnterWindowMask | LeaveWindowMask | VisibilityChangeMask); valuemask= (CWOverrideRedirect | CWEventMask | CWCursor ); attributes.cursor = XCreateFontCursor(qt_xdisplay(), XC_sb_up_arrow); electric_top_border = XCreateWindow (qt_xdisplay(), qt_xrootwin(), 0,0, r.width(),1, 0, CopyFromParent, InputOnly, CopyFromParent, valuemask, &attributes); XMapWindow(qt_xdisplay(), electric_top_border); attributes.cursor = XCreateFontCursor(qt_xdisplay(), XC_sb_down_arrow); electric_bottom_border = XCreateWindow (qt_xdisplay(), qt_xrootwin(), 0,r.height()-1, r.width(),1, 0, CopyFromParent, InputOnly, CopyFromParent, valuemask, &attributes); XMapWindow(qt_xdisplay(), electric_bottom_border); attributes.cursor = XCreateFontCursor(qt_xdisplay(), XC_sb_left_arrow); electric_left_border = XCreateWindow (qt_xdisplay(), qt_xrootwin(), 0,0, 1,r.height(), 0, CopyFromParent, InputOnly, CopyFromParent, valuemask, &attributes); XMapWindow(qt_xdisplay(), electric_left_border); attributes.cursor = XCreateFontCursor(qt_xdisplay(), XC_sb_right_arrow); electric_right_border = XCreateWindow (qt_xdisplay(), qt_xrootwin(), r.width()-1,0, 1,r.height(), 0, CopyFromParent, InputOnly, CopyFromParent, valuemask, &attributes); XMapWindow(qt_xdisplay(), electric_right_border); // Set XdndAware on the windows, so that DND enter events are received (#86998) Atom version = 4; // XDND version XChangeProperty( qt_xdisplay(), electric_top_border, atoms->xdnd_aware, XA_ATOM, 32, PropModeReplace, ( unsigned char* )&version, 1 ); XChangeProperty( qt_xdisplay(), electric_bottom_border, atoms->xdnd_aware, XA_ATOM, 32, PropModeReplace, ( unsigned char* )&version, 1 ); XChangeProperty( qt_xdisplay(), electric_left_border, atoms->xdnd_aware, XA_ATOM, 32, PropModeReplace, ( unsigned char* )&version, 1 ); XChangeProperty( qt_xdisplay(), electric_right_border, atoms->xdnd_aware, XA_ATOM, 32, PropModeReplace, ( unsigned char* )&version, 1 ); } // Electric Border Window management. Electric borders allow a user // to change the virtual desktop by moving the mouse pointer to the // borders. Technically this is done with input only windows. Since // electric borders can be switched on and off, we have these two // functions to create and destroy them. void Workspace::destroyBorderWindows() { if( !electric_have_borders) return; electric_have_borders = false; if(electric_top_border) XDestroyWindow(qt_xdisplay(),electric_top_border); if(electric_bottom_border) XDestroyWindow(qt_xdisplay(),electric_bottom_border); if(electric_left_border) XDestroyWindow(qt_xdisplay(),electric_left_border); if(electric_right_border) XDestroyWindow(qt_xdisplay(),electric_right_border); electric_top_border = None; electric_bottom_border = None; electric_left_border = None; electric_right_border = None; } void Workspace::clientMoved(const QPoint &pos, Time now) { if (options->electricBorders() == Options::ElectricDisabled) return; if ((pos.x() != electricLeft) && (pos.x() != electricRight) && (pos.y() != electricTop) && (pos.y() != electricBottom)) return; Time treshold_set = options->electricBorderDelay(); // set timeout Time treshold_reset = 250; // reset timeout int distance_reset = 30; // Mouse should not move more than this many pixels int border = 0; if (pos.x() == electricLeft) border = 1; else if (pos.x() == electricRight) border = 2; else if (pos.y() == electricTop) border = 3; else if (pos.y() == electricBottom) border = 4; if ((electric_current_border == border) && (timestampDiff(electric_time_last, now) < treshold_reset) && ((pos-electric_push_point).manhattanLength() < distance_reset)) { electric_time_last = now; if (timestampDiff(electric_time_first, now) > treshold_set) { electric_current_border = 0; QRect r = QApplication::desktop()->geometry(); int offset; int desk_before = currentDesktop(); switch(border) { case 1: slotSwitchDesktopLeft(); if (currentDesktop() != desk_before) { offset = r.width() / 5; QCursor::setPos(r.width() - offset, pos.y()); } break; case 2: slotSwitchDesktopRight(); if (currentDesktop() != desk_before) { offset = r.width() / 5; QCursor::setPos(offset, pos.y()); } break; case 3: slotSwitchDesktopUp(); if (currentDesktop() != desk_before) { offset = r.height() / 5; QCursor::setPos(pos.x(), r.height() - offset); } break; case 4: slotSwitchDesktopDown(); if (currentDesktop() != desk_before) { offset = r.height() / 5; QCursor::setPos(pos.x(), offset); } break; } return; } } else { electric_current_border = border; electric_time_first = now; electric_time_last = now; electric_push_point = pos; } int mouse_warp = 1; // reset the pointer to find out wether the user is really pushing switch( border) { case 1: QCursor::setPos(pos.x()+mouse_warp, pos.y()); break; case 2: QCursor::setPos(pos.x()-mouse_warp, pos.y()); break; case 3: QCursor::setPos(pos.x(), pos.y()+mouse_warp); break; case 4: QCursor::setPos(pos.x(), pos.y()-mouse_warp); break; } } // this function is called when the user entered an electric border // with the mouse. It may switch to another virtual desktop bool Workspace::electricBorder(XEvent *e) { if( !electric_have_borders ) return false; if( e->type == EnterNotify ) { if( e->xcrossing.window == electric_top_border || e->xcrossing.window == electric_left_border || e->xcrossing.window == electric_bottom_border || e->xcrossing.window == electric_right_border) // the user entered an electric border { clientMoved( QPoint( e->xcrossing.x_root, e->xcrossing.y_root ), e->xcrossing.time ); return true; } } if( e->type == ClientMessage ) { if( e->xclient.message_type == atoms->xdnd_position && ( e->xclient.window == electric_top_border || e->xclient.window == electric_bottom_border || e->xclient.window == electric_left_border || e->xclient.window == electric_right_border )) { updateXTime(); clientMoved( QPoint( e->xclient.data.l[2]>>16, e->xclient.data.l[2]&0xffff), qt_x_time ); return true; } } return false; } // electric borders (input only windows) have to be always on the // top. For that reason kwm calls this function always after some // windows have been raised. void Workspace::raiseElectricBorders() { if(electric_have_borders) { XRaiseWindow(qt_xdisplay(), electric_top_border); XRaiseWindow(qt_xdisplay(), electric_left_border); XRaiseWindow(qt_xdisplay(), electric_bottom_border); XRaiseWindow(qt_xdisplay(), electric_right_border); } } void Workspace::addTopMenu( Client* c ) { assert( c->isTopMenu()); assert( !topmenus.contains( c )); topmenus.append( c ); if( managingTopMenus()) { int minsize = c->minSize().height(); if( minsize > topMenuHeight()) { topmenu_height = minsize; updateTopMenuGeometry(); } updateTopMenuGeometry( c ); updateCurrentTopMenu(); } // kdDebug() << "NEW TOPMENU:" << c << endl; } void Workspace::removeTopMenu( Client* c ) { // if( c->isTopMenu()) // kdDebug() << "REMOVE TOPMENU:" << c << endl; assert( c->isTopMenu()); assert( topmenus.contains( c )); topmenus.remove( c ); updateCurrentTopMenu(); // TODO reduce topMenuHeight() if possible? } void Workspace::lostTopMenuSelection() { // kdDebug() << "lost TopMenu selection" << endl; // make sure this signal is always set when not owning the selection disconnect( topmenu_watcher, SIGNAL( lostOwner()), this, SLOT( lostTopMenuOwner())); connect( topmenu_watcher, SIGNAL( lostOwner()), this, SLOT( lostTopMenuOwner())); if( !managing_topmenus ) return; connect( topmenu_watcher, SIGNAL( lostOwner()), this, SLOT( lostTopMenuOwner())); disconnect( topmenu_selection, SIGNAL( lostOwnership()), this, SLOT( lostTopMenuSelection())); managing_topmenus = false; delete topmenu_space; topmenu_space = NULL; updateClientArea(); for( ClientList::ConstIterator it = topmenus.begin(); it != topmenus.end(); ++it ) (*it)->checkWorkspacePosition(); } void Workspace::lostTopMenuOwner() { if( !options->topMenuEnabled()) return; // kdDebug() << "TopMenu selection lost owner" << endl; if( !topmenu_selection->claim( false )) { // kdDebug() << "Failed to claim TopMenu selection" << endl; return; } // kdDebug() << "claimed TopMenu selection" << endl; setupTopMenuHandling(); } void Workspace::setupTopMenuHandling() { if( managing_topmenus ) return; connect( topmenu_selection, SIGNAL( lostOwnership()), this, SLOT( lostTopMenuSelection())); disconnect( topmenu_watcher, SIGNAL( lostOwner()), this, SLOT( lostTopMenuOwner())); managing_topmenus = true; topmenu_space = new QWidget; Window stack[ 2 ]; stack[ 0 ] = supportWindow->winId(); stack[ 1 ] = topmenu_space->winId(); XRestackWindows(qt_xdisplay(), stack, 2); updateTopMenuGeometry(); topmenu_space->show(); updateClientArea(); updateCurrentTopMenu(); } int Workspace::topMenuHeight() const { if( topmenu_height == 0 ) { // simply create a dummy menubar and use its preffered height as the menu height KMenuBar tmpmenu; tmpmenu.insertItem( "dummy" ); topmenu_height = tmpmenu.sizeHint().height(); } return topmenu_height; } KDecoration* Workspace::createDecoration( KDecorationBridge* bridge ) { return mgr->createDecoration( bridge ); } QString Workspace::desktopName( int desk ) const { return QString::fromUtf8( rootInfo->desktopName( desk ) ); } bool Workspace::checkStartupNotification( Window w, KStartupInfoId& id, KStartupInfoData& data ) { return startup->checkStartup( w, id, data ) == KStartupInfo::Match; } /*! Puts the focus on a dummy window Just using XSetInputFocus() with None would block keyboard input */ void Workspace::focusToNull() { XSetInputFocus(qt_xdisplay(), null_focus_window, RevertToPointerRoot, qt_x_time ); } void Workspace::helperDialog( const QString& message, const Client* c ) { QStringList args; QString type; if( message == "noborderaltf3" ) { QString shortcut = QString( "%1 (%2)" ).arg( keys->label( "Window Operations Menu" )) .arg( keys->shortcut( "Window Operations Menu" ).seq( 0 ).toString()); args << "--msgbox" << i18n( "You have selected to show a window without its border.\n" "Without the border, you will not be able to enable the border " "again using the mouse: use the window operations menu instead, " "activated using the %1 keyboard shortcut." ) .arg( shortcut ); type = "altf3warning"; } else if( message == "fullscreenaltf3" ) { QString shortcut = QString( "%1 (%2)" ).arg( keys->label( "Window Operations Menu" )) .arg( keys->shortcut( "Window Operations Menu" ).seq( 0 ).toString()); args << "--msgbox" << i18n( "You have selected to show a window in fullscreen mode.\n" "If the application itself does not have an option to turn the fullscreen " "mode off you will not be able to disable it " "again using the mouse: use the window operations menu instead, " "activated using the %1 keyboard shortcut." ) .arg( shortcut ); type = "altf3warning"; } else assert( false ); KProcess proc; proc << "kdialog" << args; if( !type.isEmpty()) { KConfig cfg( "kwin_dialogsrc" ); cfg.setGroup( "Notification Messages" ); // this depends on KMessageBox if( !cfg.readBoolEntry( type, true )) // has don't show again checked return; // save launching kdialog proc << "--dontagain" << "kwin_dialogsrc:" + type; } if( c != NULL ) proc << "--embed" << QString::number( c->window()); proc.start( KProcess::DontCare ); } // kompmgr stuff void Workspace::startKompmgr() { if (!kompmgr || kompmgr->isRunning()) return; if (!kompmgr->start(KProcess::OwnGroup, KProcess::Stderr)) { options->useTranslucency = FALSE; KProcess proc; proc << "kdialog" << "--error" << i18n("The Composite Manager could not be started.\\nMake sure you have \"kompmgr\" in a $PATH directory.") << "--title" << "Composite Manager Failure"; proc.start(KProcess::DontCare); } else { connect(kompmgr, SIGNAL(processExited(KProcess*)), SLOT(restartKompmgr())); options->useTranslucency = TRUE; allowKompmgrRestart = FALSE; QTimer::singleShot( 60000, this, SLOT(unblockKompmgrRestart()) ); QByteArray ba; QDataStream arg(ba, IO_WriteOnly); arg << ""; kapp->dcopClient()->emitDCOPSignal("default", "kompmgrStarted()", ba); } if (popup){ delete popup; popup = 0L; } // to add/remove opacity slider } void Workspace::stopKompmgr() { if (!kompmgr || !kompmgr->isRunning()) return; kompmgr->disconnect(this, SLOT(restartKompmgr())); options->useTranslucency = FALSE; if (popup){ delete popup; popup = 0L; } // to add/remove opacity slider kompmgr->kill(); QByteArray ba; QDataStream arg(ba, IO_WriteOnly); arg << ""; kapp->dcopClient()->emitDCOPSignal("default", "kompmgrStopped()", ba); } bool Workspace::kompmgrIsRunning() { return kompmgr->isRunning(); } void Workspace::unblockKompmgrRestart() { allowKompmgrRestart = TRUE; } void Workspace::restartKompmgr() // this is for inernal purpose (crashhandling) only, usually you want to use workspace->stopKompmgr(); QTimer::singleShot(200, workspace, SLOT(startKompmgr())); { if (!allowKompmgrRestart) // uh-ohh { options->useTranslucency = FALSE; KProcess proc; proc << "kdialog" << "--error" << i18n( "The Composite Manager crashed twice within a minute and is therefore disabled for this session.") << "--title" << i18n("Composite Manager Failure"); proc.start(KProcess::DontCare); return; } if (!kompmgr) return; // this should be useless, i keep it for maybe future need // if (!kcompmgr) // { // kompmgr = new KProcess; // kompmgr->clearArguments(); // *kompmgr << "kompmgr"; // } // ------------------- if (!kompmgr->start(KProcess::NotifyOnExit, KProcess::Stderr)) { options->useTranslucency = FALSE; KProcess proc; proc << "kdialog" << "--error" << i18n("The Composite Manager could not be started.\\nMake sure you have \"kompmgr\" in a $PATH directory.") << "--title" << i18n("Composite Manager Failure"); proc.start(KProcess::DontCare); } else { allowKompmgrRestart = FALSE; QTimer::singleShot( 60000, this, SLOT(unblockKompmgrRestart()) ); } } void Workspace::handleKompmgrOutput( KProcess* , char *buffer, int buflen) { QString message; QString output = QString::fromLocal8Bit( buffer, buflen ); if (output.contains("Started",false)) ; // don't do anything, just pass to the connection release else if (output.contains("Can't open display",false)) message = i18n("kompmgr failed to open the display
There is probably an invalid display entry in your ~/.xcompmgrrc."); else if (output.contains("No render extension",false)) message = i18n("kompmgr cannot find the Xrender extension
You are using either an outdated or a crippled version of XOrg.
Get XOrg ≥ 6.8 from www.freedesktop.org.
"); else if (output.contains("No composite extension",false)) message = i18n("Composite extension not found
You must use XOrg ≥ 6.8 for translucency and shadows to work.
Additionally, you need to add a new section to your X config file:
" "Section \"Extensions\"
" "Option \"Composite\" \"Enable\"
" "EndSection"); else if (output.contains("No damage extension",false)) message = i18n("Damage extension not found
You must use XOrg ≥ 6.8 for translucency and shadows to work."); else if (output.contains("No XFixes extension",false)) message = i18n("XFixes extension not found
You must use XOrg ≥ 6.8 for translucency and shadows to work."); else return; //skip others // kompmgr startup failed or succeeded, release connection kompmgr->closeStderr(); disconnect(kompmgr, SIGNAL(receivedStderr(KProcess*, char*, int)), this, SLOT(handleKompmgrOutput(KProcess*, char*, int))); if( !message.isEmpty()) { KProcess proc; proc << "kdialog" << "--error" << message << "--title" << i18n("Composite Manager Failure"); proc.start(KProcess::DontCare); } } void Workspace::setOpacity(unsigned long winId, unsigned int opacityPercent) { if (opacityPercent > 100) opacityPercent = 100; for( ClientList::ConstIterator it = stackingOrder().begin(); it != stackingOrder().end(); it++ ) if (winId == (*it)->window()) { (*it)->setOpacity(opacityPercent < 100, (unsigned int)((opacityPercent/100.0)*0xFFFFFFFF)); return; } } void Workspace::setShadowSize(unsigned long winId, unsigned int shadowSizePercent) { //this is open to the user by dcop - to avoid stupid trials, we limit the max shadow size to 400% if (shadowSizePercent > 400) shadowSizePercent = 400; for( ClientList::ConstIterator it = stackingOrder().begin(); it != stackingOrder().end(); it++ ) if (winId == (*it)->window()) { (*it)->setShadowSize(shadowSizePercent); return; } } void Workspace::setUnshadowed(unsigned long winId) { for( ClientList::ConstIterator it = stackingOrder().begin(); it != stackingOrder().end(); it++ ) if (winId == (*it)->window()) { (*it)->setShadowSize(0); return; } } } // namespace #include "workspace.moc"