/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 1999, 2000 Matthias Ettrich Copyright (C) 2003 Lubos Lunak This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include "sm.h" #include #include #include #include #include #include #include "workspace.h" #include "client.h" #include #include #include namespace KWin { bool SessionManager::saveState( QSessionManager& sm ) { // If the session manager is ksmserver, save stacking // order, active window, active desktop etc. in phase 1, // as ksmserver assures no interaction will be done // before the WM finishes phase 1. Saving in phase 2 is // too late, as possible user interaction may change some things. // Phase2 is still needed though (ICCCM 5.2) char* sm_vendor = SmcVendor( static_cast< SmcConn >( sm.handle())); bool ksmserver = qstrcmp( sm_vendor, "KDE" ) == 0; free( sm_vendor ); if ( !sm.isPhase2() ) { Workspace::self()->sessionSaveStarted(); if( ksmserver ) // save stacking order etc. before "save file?" etc. dialogs change it Workspace::self()->storeSession( kapp->sessionConfig(), SMSavePhase0 ); sm.release(); // Qt doesn't automatically release in this case (bug?) sm.requestPhase2(); return true; } Workspace::self()->storeSession( kapp->sessionConfig(), ksmserver ? SMSavePhase2 : SMSavePhase2Full ); kapp->sessionConfig()->sync(); return true; } // I bet this is broken, just like everywhere else in KDE bool SessionManager::commitData( QSessionManager& sm ) { if ( !sm.isPhase2() ) Workspace::self()->sessionSaveStarted(); return true; } // Workspace /*! Stores the current session in the config file \sa loadSessionInfo() */ void Workspace::storeSession( KConfig* config, SMSavePhase phase ) { KConfigGroup cg(config, "Session"); int count = 0; int active_client = -1; for (ClientList::Iterator it = clients.begin(); it != clients.end(); ++it) { Client* c = (*it); QByteArray sessionId = c->sessionId(); QByteArray wmCommand = c->wmCommand(); if ( sessionId.isEmpty() ) // remember also applications that are not XSMP capable // and use the obsolete WM_COMMAND / WM_SAVE_YOURSELF if ( wmCommand.isEmpty() ) continue; count++; if( c->isActive()) active_client = count; QString n = QString::number(count); if( phase == SMSavePhase2 || phase == SMSavePhase2Full ) { cg.writeEntry( QString("sessionId")+n, sessionId.constData() ); cg.writeEntry( QString("windowRole")+n, c->windowRole().constData() ); cg.writeEntry( QString("wmCommand")+n, wmCommand.constData() ); cg.writeEntry( QString("wmClientMachine")+n, c->wmClientMachine( true ).constData() ); cg.writeEntry( QString("resourceName")+n, c->resourceName().constData() ); cg.writeEntry( QString("resourceClass")+n, c->resourceClass().constData() ); cg.writeEntry( QString("geometry")+n, QRect( c->calculateGravitation(true), c->clientSize() ) ); // FRAME cg.writeEntry( QString("restore")+n, c->geometryRestore() ); cg.writeEntry( QString("fsrestore")+n, c->geometryFSRestore() ); cg.writeEntry( QString("maximize")+n, (int) c->maximizeMode() ); cg.writeEntry( QString("fullscreen")+n, (int) c->fullScreenMode() ); cg.writeEntry( QString("desktop")+n, c->desktop() ); // the config entry is called "iconified" for back. comp. reasons // (kconf_update script for updating session files would be too complicated) cg.writeEntry( QString("iconified")+n, c->isMinimized() ); // the config entry is called "sticky" for back. comp. reasons cg.writeEntry( QString("sticky")+n, c->isOnAllDesktops() ); cg.writeEntry( QString("shaded")+n, c->isShade() ); // the config entry is called "staysOnTop" for back. comp. reasons cg.writeEntry( QString("staysOnTop")+n, c->keepAbove() ); cg.writeEntry( QString("keepBelow")+n, c->keepBelow() ); cg.writeEntry( QString("skipTaskbar")+n, c->skipTaskbar( true ) ); cg.writeEntry( QString("skipPager")+n, c->skipPager() ); cg.writeEntry( QString("userNoBorder")+n, c->isUserNoBorder() ); cg.writeEntry( QString("windowType")+n, windowTypeToTxt( c->windowType())); cg.writeEntry( QString("shortcut")+n, c->shortcut().toString()); cg.writeEntry( QString("stackingOrder")+n, unconstrained_stacking_order.indexOf( c )); } } if( phase == SMSavePhase0 ) { // it would be much simpler to save these values to the config file, // but both Qt and KDE treat phase1 and phase2 separately, // which results in different sessionkey and different config file :( session_active_client = active_client; session_desktop = currentDesktop(); } else if( phase == SMSavePhase2 ) { cg.writeEntry( "count", count ); cg.writeEntry( "active", session_active_client ); cg.writeEntry( "desktop", session_desktop ); } else // SMSavePhase2Full { cg.writeEntry( "count", count ); cg.writeEntry( "active", session_active_client ); cg.writeEntry( "desktop", currentDesktop()); } } /*! Loads the session information from the config file. \sa storeSession() */ void Workspace::loadSessionInfo() { session.clear(); KConfigGroup cg(kapp->sessionConfig(), "Session"); int count = cg.readEntry( "count",0 ); int active_client = cg.readEntry( "active",0 ); for ( int i = 1; i <= count; i++ ) { QString n = QString::number(i); SessionInfo* info = new SessionInfo; session.append( info ); info->sessionId = cg.readEntry( QString("sessionId")+n, QString() ).toLatin1(); info->windowRole = cg.readEntry( QString("windowRole")+n, QString() ).toLatin1(); info->wmCommand = cg.readEntry( QString("wmCommand")+n, QString() ).toLatin1(); info->wmClientMachine = cg.readEntry( QString("wmClientMachine")+n, QString() ).toLatin1(); info->resourceName = cg.readEntry( QString("resourceName")+n, QString() ).toLatin1(); info->resourceClass = cg.readEntry( QString("resourceClass")+n, QString() ).toLower().toLatin1(); info->geometry = cg.readEntry( QString("geometry")+n,QRect() ); info->restore = cg.readEntry( QString("restore")+n,QRect() ); info->fsrestore = cg.readEntry( QString("fsrestore")+n,QRect() ); info->maximized = cg.readEntry( QString("maximize")+n, 0 ); info->fullscreen = cg.readEntry( QString("fullscreen")+n, 0 ); info->desktop = cg.readEntry( QString("desktop")+n, 0 ); info->minimized = cg.readEntry( QString("iconified")+n, false ); info->onAllDesktops = cg.readEntry( QString("sticky")+n, false ); info->shaded = cg.readEntry( QString("shaded")+n, false ); info->keepAbove = cg.readEntry( QString("staysOnTop")+n, false ); info->keepBelow = cg.readEntry( QString("keepBelow")+n, false ); info->skipTaskbar = cg.readEntry( QString("skipTaskbar")+n, false ); info->skipPager = cg.readEntry( QString("skipPager")+n, false ); info->userNoBorder = cg.readEntry( QString("userNoBorder")+n, false ); info->windowType = txtToWindowType( cg.readEntry( QString("windowType")+n, QString() ).toLatin1()); info->shortcut = cg.readEntry( QString("shortcut")+n, QString() ); info->active = ( active_client == i ); info->stackingOrder = cg.readEntry( QString("stackingOrder")+n, -1 ); } } /*! Returns a SessionInfo for client \a c. The returned session info is removed from the storage. It's up to the caller to delete it. This function is called when a new window is mapped and must be managed. We try to find a matching entry in the session. May return 0 if there's no session info for the client. */ SessionInfo* Workspace::takeSessionInfo( Client* c ) { SessionInfo *realInfo = 0; QByteArray sessionId = c->sessionId(); QByteArray windowRole = c->windowRole(); QByteArray wmCommand = c->wmCommand(); QByteArray wmClientMachine = c->wmClientMachine( true ); QByteArray resourceName = c->resourceName(); QByteArray resourceClass = c->resourceClass(); // First search ``session'' if (! sessionId.isEmpty() ) { // look for a real session managed client (algorithm suggested by ICCCM) foreach( SessionInfo* info, session ) { if( realInfo ) break; if( info->sessionId == sessionId && sessionInfoWindowTypeMatch( c, info )) { if( ! windowRole.isEmpty() ) { if( info->windowRole == windowRole ) { realInfo = info; session.removeAll(info); } } else { if( info->windowRole.isEmpty() && info->resourceName == resourceName && info->resourceClass == resourceClass ) { realInfo = info; session.removeAll(info); } } } } } else { // look for a sessioninfo with matching features. foreach( SessionInfo* info, session ) { if( realInfo ) break; if( info->resourceName == resourceName && info->resourceClass == resourceClass && info->wmClientMachine == wmClientMachine && sessionInfoWindowTypeMatch( c, info )) { if ( wmCommand.isEmpty() || info->wmCommand == wmCommand ) { realInfo = info; session.removeAll( info ); } } } } return realInfo; } bool Workspace::sessionInfoWindowTypeMatch( Client* c, SessionInfo* info ) { if( info->windowType == -2 ) { // undefined (not really part of NET::WindowType) return !c->isSpecialWindow(); } return info->windowType == c->windowType(); } static const char* const window_type_names[] = { "Unknown", "Normal" , "Desktop", "Dock", "Toolbar", "Menu", "Dialog", "Override", "TopMenu", "Utility", "Splash" }; // change also the two functions below when adding new entries const char* Workspace::windowTypeToTxt( NET::WindowType type ) { if( type >= NET::Unknown && type <= NET::Splash ) return window_type_names[ type + 1 ]; // +1 (unknown==-1) if( type == -2 ) // undefined (not really part of NET::WindowType) return "Undefined"; kFatal() << "Unknown Window Type" ; return NULL; } NET::WindowType Workspace::txtToWindowType( const char* txt ) { for( int i = NET::Unknown; i <= NET::Splash; ++i ) if( qstrcmp( txt, window_type_names[ i + 1 ] ) == 0 ) // +1 return static_cast< NET::WindowType >( i ); return static_cast< NET::WindowType >( -2 ); // undefined } // KWin's focus stealing prevention causes problems with user interaction // during session save, as it prevents possible dialogs from getting focus. // Therefore it's temporarily disabled during session saving. Start of // session saving can be detected in SessionManager::saveState() above, // but Qt doesn't have API for saying when session saved finished (either // successfully, or was canceled). Therefore, create another connection // to session manager, that will provide this information. // Similarly the remember feature of window-specific settings should be disabled // during KDE shutdown when windows may move e.g. because of Kicker going away // (struts changing). When session saving starts, it can be cancelled, in which // case the shutdown_cancelled callback is invoked, or it's a checkpoint that // is immediatelly followed by save_complete, or finally it's a shutdown that // is immediatelly followed by die callback. So getting save_yourself with shutdown // set disables window-specific settings remembering, getting shutdown_cancelled // re-enables, otherwise KWin will go away after die. static void save_yourself( SmcConn conn_P, SmPointer ptr, int, Bool shutdown, int, Bool ) { SessionSaveDoneHelper* session = reinterpret_cast< SessionSaveDoneHelper* >( ptr ); if( conn_P != session->connection()) return; if( shutdown ) Workspace::self()->disableRulesUpdates( true ); SmcSaveYourselfDone( conn_P, True ); } static void die( SmcConn conn_P, SmPointer ptr ) { SessionSaveDoneHelper* session = reinterpret_cast< SessionSaveDoneHelper* >( ptr ); if( conn_P != session->connection()) return; // session->saveDone(); we will quit anyway session->close(); } static void save_complete( SmcConn conn_P, SmPointer ptr ) { SessionSaveDoneHelper* session = reinterpret_cast< SessionSaveDoneHelper* >( ptr ); if( conn_P != session->connection()) return; session->saveDone(); } static void shutdown_cancelled( SmcConn conn_P, SmPointer ptr ) { SessionSaveDoneHelper* session = reinterpret_cast< SessionSaveDoneHelper* >( ptr ); if( conn_P != session->connection()) return; Workspace::self()->disableRulesUpdates( false ); // re-enable // no need to differentiate between successful finish and cancel session->saveDone(); } void SessionSaveDoneHelper::saveDone() { Workspace::self()->sessionSaveDone(); } SessionSaveDoneHelper::SessionSaveDoneHelper() { SmcCallbacks calls; calls.save_yourself.callback = save_yourself; calls.save_yourself.client_data = reinterpret_cast< SmPointer >(this); calls.die.callback = die; calls.die.client_data = reinterpret_cast< SmPointer >(this); calls.save_complete.callback = save_complete; calls.save_complete.client_data = reinterpret_cast< SmPointer >(this); calls.shutdown_cancelled.callback = shutdown_cancelled; calls.shutdown_cancelled.client_data = reinterpret_cast< SmPointer >(this); char* id = NULL; char err[ 11 ]; conn = SmcOpenConnection( NULL, 0, 1, 0, SmcSaveYourselfProcMask | SmcDieProcMask | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask, &calls, NULL, &id, 10, err ); if( id != NULL ) free( id ); if( conn == NULL ) return; // no SM // set the required properties, mostly dummy values SmPropValue propvalue[ 5 ]; SmProp props[ 5 ]; propvalue[ 0 ].length = sizeof( int ); int value0 = SmRestartNever; // so that this extra SM connection doesn't interfere propvalue[ 0 ].value = &value0; props[ 0 ].name = const_cast< char* >( SmRestartStyleHint ); props[ 0 ].type = const_cast< char* >( SmCARD8 ); props[ 0 ].num_vals = 1; props[ 0 ].vals = &propvalue[ 0 ]; struct passwd* entry = getpwuid( geteuid() ); propvalue[ 1 ].length = entry != NULL ? strlen( entry->pw_name ) : 0; propvalue[ 1 ].value = (SmPointer)( entry != NULL ? entry->pw_name : "" ); props[ 1 ].name = const_cast< char* >( SmUserID ); props[ 1 ].type = const_cast< char* >( SmARRAY8 ); props[ 1 ].num_vals = 1; props[ 1 ].vals = &propvalue[ 1 ]; propvalue[ 2 ].length = 0; propvalue[ 2 ].value = (SmPointer)( "" ); props[ 2 ].name = const_cast< char* >( SmRestartCommand ); props[ 2 ].type = const_cast< char* >( SmLISTofARRAY8 ); props[ 2 ].num_vals = 1; props[ 2 ].vals = &propvalue[ 2 ]; propvalue[ 3 ].length = strlen( "kwinsmhelper" ); propvalue[ 3 ].value = (SmPointer)"kwinsmhelper"; props[ 3 ].name = const_cast< char* >( SmProgram ); props[ 3 ].type = const_cast< char* >( SmARRAY8 ); props[ 3 ].num_vals = 1; props[ 3 ].vals = &propvalue[ 3 ]; propvalue[ 4 ].length = 0; propvalue[ 4 ].value = (SmPointer)( "" ); props[ 4 ].name = const_cast< char* >( SmCloneCommand ); props[ 4 ].type = const_cast< char* >( SmLISTofARRAY8 ); props[ 4 ].num_vals = 1; props[ 4 ].vals = &propvalue[ 4 ]; SmProp* p[ 5 ] = { &props[ 0 ], &props[ 1 ], &props[ 2 ], &props[ 3 ], &props[ 4 ] }; SmcSetProperties( conn, 5, p ); notifier = new QSocketNotifier( IceConnectionNumber( SmcGetIceConnection( conn )), QSocketNotifier::Read, this ); connect( notifier, SIGNAL( activated( int )), SLOT( processData())); } SessionSaveDoneHelper::~SessionSaveDoneHelper() { close(); } void SessionSaveDoneHelper::close() { if( conn != NULL ) { delete notifier; SmcCloseConnection( conn, 0, NULL ); } conn = NULL; } void SessionSaveDoneHelper::processData() { if( conn != NULL ) IceProcessMessages( SmcGetIceConnection( conn ), 0, 0 ); } } // namespace #include "sm.moc"