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Diffstat (limited to 'kwin/workspace.cpp')
| -rw-r--r-- | kwin/workspace.cpp | 2732 |
1 files changed, 2732 insertions, 0 deletions
diff --git a/kwin/workspace.cpp b/kwin/workspace.cpp new file mode 100644 index 000000000..1335a888c --- /dev/null +++ b/kwin/workspace.cpp @@ -0,0 +1,2732 @@ +/***************************************************************** + 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. +******************************************************************/ + +//#define QT_CLEAN_NAMESPACE + +#include "workspace.h" + +#include <kapplication.h> +#include <kstartupinfo.h> +#include <fixx11h.h> +#include <kconfig.h> +#include <kglobal.h> +#include <qpopupmenu.h> +#include <klocale.h> +#include <qregexp.h> +#include <qpainter.h> +#include <qbitmap.h> +#include <qclipboard.h> +#include <kmenubar.h> +#include <kprocess.h> +#include <kglobalaccel.h> +#include <dcopclient.h> +#include <kipc.h> + +#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 <X11/extensions/shape.h> +#include <X11/keysym.h> +#include <X11/keysymdef.h> +#include <X11/cursorfont.h> + +extern Time qt_x_time; + +namespace KWinInternal +{ + +extern int screen_number; + +Workspace *Workspace::_self = 0; + +KProcess* kompmgr = 0; +KSelectionOwner* kompmgr_selection; + +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 disagree 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 ), + rules_updates_disabled( false ), + active_client (0), + last_active_client (0), + most_recently_raised (0), + movingClient(0), + pending_take_activity ( NULL ), + delayfocus_client (0), + showing_desktop( false ), + block_showing_desktop( 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 ), + disable_shortcuts_keys ( NULL ), + global_shortcuts_disabled( false ), + global_shortcuts_disabled_for_client( false ), + 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::WMFrameExtents | + 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 | + NET::WM2ShowingDesktop | + NET::WM2DesktopLayout | + 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(); + updateDesktopLayout(); + // 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))); + connect(kapp, SIGNAL( kipcMessage( int, int )), this, SLOT( kipcMessage( int, 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(); + rootInfo->setDesktopGeometry( -1, desktop_geometry ); + setShowingDesktop( false ); + + } // 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, it does more than just removing. + // However, remove from some lists to e.g. prevent performTransiencyCheck() + // from crashing. + clients.remove( *it ); + desktops.remove( *it ); + } + 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 + { + updateFocusChains( c, FocusChainUpdate ); // add to focus chain if not already there + 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 ); + checkNonExistentClients(); + } + +/* + 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 ); + for( int i = 1; + i <= numberOfDesktops(); + ++i ) + focus_chain[ i ].remove( c ); + global_focus_chain.remove( c ); + attention_chain.remove( c ); + showing_desktop_clients.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::updateFocusChains( Client* c, FocusChainChange change ) + { + if( !c->wantsTabFocus()) // doesn't want tab focus, remove + { + for( int i=1; + i<= numberOfDesktops(); + ++i ) + focus_chain[i].remove(c); + global_focus_chain.remove( c ); + return; + } + if(c->desktop() == NET::OnAllDesktops) + { //now on all desktops, add it to focus_chains it is not already in + for( int i=1; i<= numberOfDesktops(); i++) + { // making first/last works only on current desktop, don't affect all desktops + if( i == currentDesktop() + && ( change == FocusChainMakeFirst || change == FocusChainMakeLast )) + { + focus_chain[ i ].remove( c ); + if( change == FocusChainMakeFirst ) + focus_chain[ i ].append( c ); + else + focus_chain[ i ].prepend( c ); + } + else if( !focus_chain[ i ].contains( c )) + { // add it after the active one + if( active_client != NULL && active_client != c + && !focus_chain[ i ].isEmpty() && focus_chain[ i ].last() == active_client ) + focus_chain[ i ].insert( focus_chain[ i ].fromLast(), c ); + else + focus_chain[ i ].append( c ); // otherwise add as the first one + } + } + } + else //now only on desktop, remove it anywhere else + { + for( int i=1; i<= numberOfDesktops(); i++) + { + if( i == c->desktop()) + { + if( change == FocusChainMakeFirst ) + { + focus_chain[ i ].remove( c ); + focus_chain[ i ].append( c ); + } + else if( change == FocusChainMakeLast ) + { + focus_chain[ i ].remove( c ); + focus_chain[ i ].prepend( c ); + } + else if( !focus_chain[ i ].contains( c )) + { + if( active_client != NULL && active_client != c + && !focus_chain[ i ].isEmpty() && focus_chain[ i ].last() == active_client ) + focus_chain[ i ].insert( focus_chain[ i ].fromLast(), c ); + else + focus_chain[ i ].append( c ); // otherwise add as the first one + } + } + else + focus_chain[ i ].remove( c ); + } + } + if( change == FocusChainMakeFirst ) + { + global_focus_chain.remove( c ); + global_focus_chain.append( c ); + } + else if( change == FocusChainMakeLast ) + { + global_focus_chain.remove( c ); + global_focus_chain.prepend( c ); + } + else if( !global_focus_chain.contains( c )) + { + if( active_client != NULL && active_client != c + && !global_focus_chain.isEmpty() && global_focus_chain.last() == active_client ) + global_focus_chain.insert( global_focus_chain.fromLast(), c ); + else + global_focus_chain.append( c ); // otherwise add as the first one + } + } + +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?) + if( !options->hideUtilityWindowsForInactive ) + { + for( ClientList::ConstIterator it = clients.begin(); + it != clients.end(); + ++it ) + (*it)->hideClient( false ); + return; + } + 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() ); + +void Workspace::slotReconfigure() + { + kdDebug(1212) << "Workspace::slotReconfigure()" << endl; + reconfigureTimer.stop(); + + KGlobal::config()->reparseConfiguration(); + unsigned long changed = options->updateSettings(); + tab_box->reconfigure(); + popupinfo->reconfigure(); + initPositioning->reinitCascading( 0 ); + readShortcuts(); + forEachClient( CheckIgnoreFocusStealingProcedure()); + updateToolWindows( true ); + + 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(); + for( ClientList::Iterator it = clients.begin(); + it != clients.end(); + ++it ) + { + (*it)->setupWindowRules( true ); + (*it)->applyWindowRules(); + discardUsedWindowRules( *it, false ); + } + + 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 ); + // make it +1, so that it can be accessed as [1..numberofdesktops] + focus_chain.resize( n + 1 ); + 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<Window> obscuring_windows; + static QValueList<Window>* cached; + static unsigned int max_cache_size; + }; + +QValueList<Window>* ObscuringWindows::cached = 0; +unsigned int ObscuringWindows::max_cache_size = 0; + +void ObscuringWindows::create( Client* c ) + { + if( cached == 0 ) + cached = new QValueList<Window>; + 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<Window>::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 ); + + int old_desktop = current_desktop; + if (new_desktop != current_desktop) + { + ++block_showing_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; + + current_desktop = new_desktop; // change the desktop (so that Client::updateVisibility() 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)->updateVisibility(); + } + + 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)->updateVisibility(); + + --block_showing_desktop; + if( showingDesktop()) // do this only after desktop change to avoid flicker + resetShowingDesktop( false ); + } + + // restore the focus on this desktop + --block_focus; + Client* c = 0; + + if ( options->focusPolicyIsReasonable()) + { + // Search in focus chain + if ( movingClient != NULL && active_client == movingClient + && focus_chain[currentDesktop()].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[currentDesktop()].fromLast(); + it != focus_chain[currentDesktop()].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 <V.Schatz at thphys.uni-heidelberg.de>) + else if( active_client && active_client->isShown( true ) && active_client->isOnCurrentDesktop()) + c = active_client; + + if( c == NULL && !desktops.isEmpty()) + c = findDesktop( true, currentDesktop()); + + if( c != active_client ) + setActiveClient( NULL, Allowed ); + + if ( c ) + requestFocus( c ); + else + focusToNull(); + + 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[currentDesktop()] index %2\n") +// .arg(currentDesktop()).arg(desktop_focus_chain.find( currentDesktop() )); + for( int i = desktop_focus_chain.find( currentDesktop() ); i > 0; i-- ) + desktop_focus_chain[i] = desktop_focus_chain[i-1]; + desktop_focus_chain[0] = currentDesktop(); + +// 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"; + + if( old_desktop != 0 ) // not for the very first time + popupinfo->showInfo( desktopName(currentDesktop()) ); + return true; + } + +// called only from DCOP +void Workspace::nextDesktop() + { + int desktop = currentDesktop() + 1; + setCurrentDesktop(desktop > numberOfDesktops() ? 1 : desktop); + } + +// called only from DCOP +void Workspace::previousDesktop() + { + int desktop = currentDesktop() - 1; + setCurrentDesktop(desktop > 0 ? desktop : numberOfDesktops()); + } + +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 ); + focus_chain.resize( number_of_desktops + 1 ); + } + + // 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 ); + focus_chain.resize( number_of_desktops + 1 ); + } + + 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 ); + } + + 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, int, int ) + { // DCOP-only, unused + } + +void Workspace::updateDesktopLayout() + { + // rootInfo->desktopLayoutCorner(); // I don't find this worth bothering, feel free to + layoutOrientation = ( rootInfo->desktopLayoutOrientation() == NET::OrientationHorizontal + ? Qt::Horizontal : Qt::Vertical ); + layoutX = rootInfo->desktopLayoutColumnsRows().width(); + layoutY = rootInfo->desktopLayoutColumnsRows().height(); + if( layoutX == 0 && layoutY == 0 ) // not given, set default layout + layoutY = 2; + } + +void Workspace::calcDesktopLayout(int &x, int &y) const + { + x = layoutX; // <= 0 means compute it from the other and total number of desktops + y = layoutY; + if((x <= 0) && (y > 0)) + x = (numberOfDesktops()+y-1) / y; + else if((y <=0) && (x > 0)) + y = (numberOfDesktops()+x-1) / x; + + if(x <=0) + x = 1; + if (y <= 0) + 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 ); + XRemoveFromSaveSet (qt_xdisplay (), 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<QRect> 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 + XEvent e; + e.type = MotionNotify; + e.xmotion.window = w; + e.xmotion.root = qt_xrootwin(); + e.xmotion.subwindow = w; + e.xmotion.time = qt_x_time; + e.xmotion.x = x; + e.xmotion.y = y; + e.xmotion.x_root = pos.x(); + e.xmotion.y_root = pos.y(); + e.xmotion.state = state; + e.xmotion.is_hint = NotifyNormal; + XSendEvent( qt_xdisplay(), w, TRUE, ButtonMotionMask, &e ); + } + else + { + XEvent e; + e.type = type == EmuRelease ? ButtonRelease : ButtonPress; + e.xbutton.window = w; + e.xbutton.root = qt_xrootwin(); + e.xbutton.subwindow = w; + e.xbutton.time = qt_x_time; + e.xbutton.x = x; + e.xbutton.y = y; + e.xbutton.x_root = pos.x(); + e.xbutton.y_root = pos.y(); + e.xbutton.state = state; + e.xbutton.button = button; + XSendEvent( qt_xdisplay(), w, TRUE, ButtonPressMask, &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 ); + 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 + { + delete kompmgr_selection; + char selection_name[ 100 ]; + sprintf( selection_name, "_NET_WM_CM_S%d", DefaultScreen( qt_xdisplay())); + kompmgr_selection = new KSelectionOwner( selection_name ); + connect( kompmgr_selection, SIGNAL( lostOwnership()), SLOT( stopKompmgr())); + kompmgr_selection->claim( true ); + 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; + delete kompmgr_selection; + kompmgr_selection = NULL; + 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 && 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 + { + delete kompmgr_selection; + kompmgr_selection = NULL; + 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)) + { + delete kompmgr_selection; + kompmgr_selection = NULL; + 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("<qt><b>kompmgr failed to open the display</b><br>There is probably an invalid display entry in your ~/.xcompmgrrc.</qt>"); + else if (output.contains("No render extension",false)) + message = i18n("<qt><b>kompmgr cannot find the Xrender extension</b><br>You are using either an outdated or a crippled version of XOrg.<br>Get XOrg ≥ 6.8 from www.freedesktop.org.<br></qt>"); + else if (output.contains("No composite extension",false)) + message = i18n("<qt><b>Composite extension not found</b><br>You <i>must</i> use XOrg ≥ 6.8 for translucency and shadows to work.<br>Additionally, you need to add a new section to your X config file:<br>" + "<i>Section \"Extensions\"<br>" + "Option \"Composite\" \"Enable\"<br>" + "EndSection</i></qt>"); + else if (output.contains("No damage extension",false)) + message = i18n("<qt><b>Damage extension not found</b><br>You <i>must</i> use XOrg ≥ 6.8 for translucency and shadows to work.</qt>"); + else if (output.contains("No XFixes extension",false)) + message = i18n("<qt><b>XFixes extension not found</b><br>You <i>must</i> use XOrg ≥ 6.8 for translucency and shadows to work.</qt>"); + 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; + } +} + +void Workspace::setShowingDesktop( bool showing ) + { + rootInfo->setShowingDesktop( showing ); + showing_desktop = showing; + ++block_showing_desktop; + if( showing_desktop ) + { + showing_desktop_clients.clear(); + ++block_focus; + ClientList cls = stackingOrder(); + // find them first, then minimize, otherwise transients may get minimized with the window + // they're transient for + for( ClientList::ConstIterator it = cls.begin(); + it != cls.end(); + ++it ) + { + if( (*it)->isOnCurrentDesktop() && (*it)->isShown( true ) && !(*it)->isSpecialWindow()) + showing_desktop_clients.prepend( *it ); // topmost first to reduce flicker + } + for( ClientList::ConstIterator it = showing_desktop_clients.begin(); + it != showing_desktop_clients.end(); + ++it ) + (*it)->minimize(true); + --block_focus; + if( Client* desk = findDesktop( true, currentDesktop())) + requestFocus( desk ); + } + else + { + for( ClientList::ConstIterator it = showing_desktop_clients.begin(); + it != showing_desktop_clients.end(); + ++it ) + (*it)->unminimize(true); + if( showing_desktop_clients.count() > 0 ) + requestFocus( showing_desktop_clients.first()); + showing_desktop_clients.clear(); + } + --block_showing_desktop; + } + +// Following Kicker's behavior: +// Changing a virtual desktop resets the state and shows the windows again. +// Unminimizing a window resets the state but keeps the windows hidden (except +// the one that was unminimized). +// A new window resets the state and shows the windows again, with the new window +// being active. Due to popular demand (#67406) by people who apparently +// don't see a difference between "show desktop" and "minimize all", this is not +// true if "showDesktopIsMinimizeAll" is set in kwinrc. In such case showing +// a new window resets the state but doesn't show windows. +void Workspace::resetShowingDesktop( bool keep_hidden ) + { + if( block_showing_desktop > 0 ) + return; + rootInfo->setShowingDesktop( false ); + showing_desktop = false; + ++block_showing_desktop; + if( !keep_hidden ) + { + for( ClientList::ConstIterator it = showing_desktop_clients.begin(); + it != showing_desktop_clients.end(); + ++it ) + (*it)->unminimize(true); + } + showing_desktop_clients.clear(); + --block_showing_desktop; + } + +// Activating/deactivating this feature works like this: +// When nothing is active, and the shortcut is pressed, global shortcuts are disabled +// (using global_shortcuts_disabled) +// When a window that has disabling forced is activated, global shortcuts are disabled. +// (using global_shortcuts_disabled_for_client) +// When a shortcut is pressed and global shortcuts are disabled (either by a shortcut +// or for a client), they are enabled again. +void Workspace::slotDisableGlobalShortcuts() + { + if( global_shortcuts_disabled || global_shortcuts_disabled_for_client ) + disableGlobalShortcuts( false ); + else + disableGlobalShortcuts( true ); + } + +static bool pending_dfc = false; + +void Workspace::disableGlobalShortcutsForClient( bool disable ) + { + if( global_shortcuts_disabled_for_client == disable ) + return; + if( !global_shortcuts_disabled ) + { + if( disable ) + pending_dfc = true; + KIPC::sendMessageAll( KIPC::BlockShortcuts, disable ); + // kwin will get the kipc message too + } + } + +void Workspace::disableGlobalShortcuts( bool disable ) + { + KIPC::sendMessageAll( KIPC::BlockShortcuts, disable ); + // kwin will get the kipc message too + } + +void Workspace::kipcMessage( int id, int data ) + { + if( id != KIPC::BlockShortcuts ) + return; + if( pending_dfc && data ) + { + global_shortcuts_disabled_for_client = true; + pending_dfc = false; + } + else + { + global_shortcuts_disabled = data; + global_shortcuts_disabled_for_client = false; + } + // update also Alt+LMB actions etc. + for( ClientList::ConstIterator it = clients.begin(); + it != clients.end(); + ++it ) + (*it)->updateMouseGrab(); + } + +} // namespace + +#include "workspace.moc" |