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kwin/workspace.cpp
Luboš Luňák 9052116e4f Support for having previews even for unmapped windows - they're 
actually kept mapped, so that they still have the backing pixmap.
Plus some small tricks to prevent such windows from interfering.
Only two basic modes are implemented right now.


svn path=/trunk/KDE/kdebase/workspace/; revision=683156
2007-07-04 09:51:10 +00:00

2642 lines
85 KiB
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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
//#define QT_CLEAN_NAMESPACE
#include "workspace.h"
#include <kapplication.h>
#include <kstartupinfo.h>
#include <fixx11h.h>
#include <kconfig.h>
#include <kglobal.h>
#include <klocale.h>
#include <QRegExp>
#include <QPainter>
#include <QBitmap>
#include <QClipboard>
#include <kmenubar.h>
#include <kprocess.h>
#include <kglobalaccel.h>
#include <QDesktopWidget>
#include <QToolButton>
#include <kactioncollection.h>
#include <kaction.h>
#include <kconfiggroup.h>
#include <QtDBus/QtDBus>
#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 "kwinadaptor.h"
#include "unmanaged.h"
#include "scene.h"
#include "deleted.h"
#include "effects.h"
#include <X11/extensions/shape.h>
#include <X11/keysym.h>
#include <X11/keysymdef.h>
#include <X11/cursorfont.h>
#include <QX11Info>
#include <stdio.h>
#include <kauthorized.h>
#include <ktoolinvocation.h>
#include <kglobalsettings.h>
namespace KWin
{
extern int screen_number;
Workspace *Workspace::_self = 0;
// Rikkus: This class is too complex. It needs splitting further.
// It's a nightmare to understand, especially with so few comments :(
// Matthias: Feel free to ask me questions about it. Feel free to add
// comments. I dissagree that further splittings makes it easier. 2500
// lines are not too much. It's the task that is complex, not the
// code.
Workspace::Workspace( bool restore )
: QObject (0),
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 ),
active_screen (0),
delayfocus_client (0),
force_restacking( false ),
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),
trans_popup (0),
desk_popup (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),
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 ),
cm_selection( NULL ),
compositeRate( 0 ),
overlay( None ),
transSlider( NULL ),
transButton( NULL )
{
(void) new KWinAdaptor( this );
QDBusConnection dbus = QDBusConnection::sessionBus();
dbus.registerObject("/KWin", this);
dbus.connect(QString(), "/KWin", "org.kde.KWin", "reloadConfig", this, SLOT(slotReloadConfig()));
_self = this;
mgr = new PluginMgr;
root = rootWindow();
QX11Info info;
default_colormap = DefaultColormap(display(), info.screen() );
installed_colormap = default_colormap;
for( int i = 0;
i < ELECTRIC_COUNT;
++i )
{
electric_reserved[ i ] = 0;
electric_windows[ i ] = None;
}
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;
if ( restore )
loadSessionInfo();
loadWindowRules();
(void) QApplication::desktop(); // trigger creation of desktop widget
desktop_widget = new QWidget( 0, Qt::Desktop );
desktop_widget->setObjectName( "desktop_widget" );
desktop_widget->setAttribute( Qt::WA_PaintUnclipped );
// call this before XSelectInput() on the root window
startup = new KStartupInfo(
KStartupInfo::DisableKWinModule | KStartupInfo::AnnounceSilenceChanges, this );
// select windowmanager privileges
XSelectInput(display(), root,
KeyPressMask |
PropertyChangeMask |
ColormapChangeMask |
SubstructureRedirectMask |
SubstructureNotifyMask |
FocusChangeMask | // for NotifyDetailNone
ExposureMask
);
Extensions::init();
setupCompositing();
// compatibility
long data = 1;
XChangeProperty(
display(),
rootWindow(),
atoms->kwin_running,
atoms->kwin_running,
32,
PropModeAppend,
(unsigned char*) &data,
1
);
client_keys = new KActionCollection( this );
initShortcuts();
tab_box = new TabBox( this );
popupinfo = new PopupInfo( this );
init();
connect( kapp->desktop(), SIGNAL( resized( int )), SLOT( desktopResized()));
}
void Workspace::init()
{
if( options->electricBorders() == Options::ElectricAlways )
reserveElectricBorderSwitching( true );
updateElectricBorders();
// not used yet
// topDock = 0L;
// maximizedWindowCounter = 0;
supportWindow = new QWidget;
XLowerWindow( display(), supportWindow->winId()); // see usage in layers.cpp
XSetWindowAttributes attr;
attr.override_redirect = 1;
null_focus_window = XCreateWindow( display(), rootWindow(), -1,-1, 1, 1, 0, CopyFromParent,
InputOnly, CopyFromParent, CWOverrideRedirect, &attr );
XMapWindow(display(), 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::WMName |
NET::WMVisibleName |
NET::WMDesktop |
NET::WMWindowType |
NET::WMState |
NET::WMStrut |
NET::WMIconGeometry |
NET::WMIcon |
NET::WMPid |
NET::WMMoveResize |
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 |
NET::WM2FullPlacement |
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
,
};
QX11Info info;
rootInfo = new RootInfo( this, display(), supportWindow->winId(), "KWin",
protocols, 5, info.screen() );
loadDesktopSettings();
updateDesktopLayout();
// extra NETRootInfo instance in Client mode is needed to get the values of the properties
NETRootInfo client_info( display(), NET::ActiveWindow | NET::CurrentDesktop );
int initial_desktop;
if( !kapp->isSessionRestored())
initial_desktop = client_info.currentDesktop();
else
{
KConfigGroup group( kapp->sessionConfig(), "Session" );
initial_desktop = group.readEntry( "desktop", 1 );
}
if( !setCurrentDesktop( initial_desktop ))
setCurrentDesktop( 1 );
// now we know how many desktops we'll, thus, we initialize the positioning object
initPositioning = new Placement(this);
reconfigureTimer.setSingleShot( true );
updateToolWindowsTimer.setSingleShot( true );
connect(&reconfigureTimer, SIGNAL(timeout()), this,
SLOT(slotReconfigure()));
connect( &updateToolWindowsTimer, SIGNAL( timeout()), this, SLOT( slotUpdateToolWindows()));
connect( &compositeTimer, SIGNAL( timeout()), SLOT( performCompositing()));
connect(KGlobalSettings::self(), SIGNAL(appearanceChanged()), this,
SLOT(slotReconfigure()));
connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)), this,
SLOT(slotSettingsChanged(int)));
connect(KGlobalSettings::self(), SIGNAL(blockShortcuts(int)), this,
SLOT(slotBlockShortcuts(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( display()));
Atom topmenu_atom = XInternAtom( display(), 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(display(), root, &root_return, &parent_return, &wins, &nwins);
for (i = 0; i < nwins; i++)
{
XWindowAttributes attr;
XGetWindowAttributes(display(), wins[i], &attr);
if (attr.override_redirect )
{
createUnmanaged( wins[ i ] );
continue;
}
if( topmenu_space && topmenu_space->winId() == wins[ i ] )
continue;
if (attr.map_state != IsUnmapped)
{
Client* c = createClient( wins[i], true );
if ( c != NULL && root != rootWindow() )
{ // TODO what is this?
// TODO may use QWidget:.create
XReparentWindow( display(), 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();
// 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()
{
finishCompositing();
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 );
}
for( UnmanagedList::ConstIterator it = unmanaged.begin();
it != unmanaged.end();
++it )
(*it)->release();
delete desktop_widget;
delete tab_box;
delete popupinfo;
delete popup;
if ( root == rootWindow() )
XDeleteProperty(display(), rootWindow(), 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();
}
foreach ( SessionInfo* s, session )
delete s;
XDestroyWindow( display(), 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 );
if( scene )
scene->windowAdded( c );
if( effects )
static_cast<EffectsHandlerImpl*>(effects)->windowAdded( c->effectWindow());
return c;
}
Unmanaged* Workspace::createUnmanaged( Window w )
{
if( w == overlay )
return NULL;
Unmanaged* c = new Unmanaged( this );
if( !c->track( w ))
{
Unmanaged::deleteUnmanaged( c, Allowed );
return NULL;
}
addUnmanaged( c, Allowed );
if( scene )
scene->windowAdded( c );
if( effects )
static_cast<EffectsHandlerImpl*>(effects)->windowAdded( c->effectWindow());
return c;
}
void Workspace::addClient( Client* c, allowed_t )
{
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 ); // raise if it hasn't got any stacking position yet
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();
if( tab_grab )
tab_box->reset( true );
}
void Workspace::addUnmanaged( Unmanaged* c, allowed_t )
{
unmanaged.append( c );
unmanaged_stacking_order.append( c );
}
/*
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().isEmpty())
c->setShortcut( QString() ); // remove from client_keys
if( c->isDialog())
Notify::raise( Notify::TransDelete );
if( c->isNormalWindow())
Notify::raise( Notify::Delete );
if( tab_grab )
{
if( tab_box->currentClient() == c )
tab_box->nextPrev( true );
}
Q_ASSERT( clients.contains( c ) || desktops.contains( c ));
clients.removeAll( c );
desktops.removeAll( c );
unconstrained_stacking_order.removeAll( c );
stacking_order.removeAll( c );
for( int i = 1;
i <= numberOfDesktops();
++i )
focus_chain[ i ].removeAll( c );
global_focus_chain.removeAll( c );
attention_chain.removeAll( c );
showing_desktop_clients.removeAll( 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.removeAll( 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->reset( true );
updateClientArea();
}
void Workspace::removeUnmanaged( Unmanaged* c, allowed_t )
{
assert( unmanaged.contains( c ));
unmanaged.removeAll( c );
unmanaged_stacking_order.removeAll( c );
}
void Workspace::addDeleted( Deleted* c, allowed_t )
{
assert( !deleted.contains( c ));
deleted.append( c );
}
void Workspace::removeDeleted( Deleted* c, allowed_t )
{
assert( deleted.contains( c ));
if( scene )
scene->windowDeleted( c );
if( effects )
static_cast<EffectsHandlerImpl*>(effects)->windowDeleted( c->effectWindow());
deleted.removeAll( c );
}
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].removeAll(c);
global_focus_chain.removeAll( 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 ].removeAll( 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 ].size() - 1, 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 ].removeAll( c );
focus_chain[ i ].append( c );
}
else if( change == FocusChainMakeLast )
{
focus_chain[ i ].removeAll( c );
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 ].size() - 1, c );
else
focus_chain[ i ].append( c ); // otherwise add as the first one
}
}
else
focus_chain[ i ].removeAll( c );
}
}
if( change == FocusChainMakeFirst )
{
global_focus_chain.removeAll( c );
global_focus_chain.append( c );
}
else if( change == FocusChainMakeLast )
{
global_focus_chain.removeAll( c );
global_focus_chain.prepend( c );
}
else if( !global_focus_chain.contains( c ))
{ // add it after the active one
if( active_client != NULL && active_client != c
&& !global_focus_chain.isEmpty() && global_focus_chain.last() == active_client )
global_focus_chain.insert( global_focus_chain.size() - 1, 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
}
}
// kDebug() << "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.removeAll( 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( int i = to_show.size() - 1;
i >= 0;
--i ) //from topmost
// TODO since this is in stacking order, the order of taskbar entries changes :(
to_show.at( i )->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 );
}
}
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(display(), cmap );
installed_colormap = cmap;
}
}
void Workspace::slotReloadConfig()
{
reconfigure();
}
void Workspace::reconfigure()
{
reconfigureTimer.start( 200 );
}
void Workspace::slotSettingsChanged(int category)
{
kDebug(1212) << "Workspace::slotSettingsChanged()" << endl;
if( category == KGlobalSettings::SETTINGS_SHORTCUTS )
readShortcuts();
}
/*!
Reread settings
*/
KWIN_PROCEDURE( CheckBorderSizesProcedure, Client, cl->checkBorderSizes() );
void Workspace::slotReconfigure()
{
kDebug(1212) << "Workspace::slotReconfigure()" << endl;
reconfigureTimer.stop();
if( options->electricBorders() == Options::ElectricAlways )
reserveElectricBorderSwitching( false );
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());
}
if( options->electricBorders() == Options::ElectricAlways )
reserveElectricBorderSwitching( true );
updateElectricBorders();
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();
}
if( options->useTranslucency )
{
setupCompositing();
if( effects ) // setupCompositing() may fail
effects->reconfigure();
}
else
finishCompositing();
loadWindowRules();
for( ClientList::Iterator it = clients.begin();
it != clients.end();
++it )
{
(*it)->setupWindowRules( true );
(*it)->applyWindowRules();
discardUsedWindowRules( *it, false );
}
}
void Workspace::loadDesktopSettings()
{
KSharedConfig::Ptr c = KGlobal::config();
QString groupname;
if (screen_number == 0)
groupname = "Desktops";
else
groupname.sprintf("Desktops-screen-%d", screen_number);
KConfigGroup group(c,groupname);
int n = group.readEntry("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 = group.readEntry(QString("Name_%1").arg(i),
i18n("Desktop %1", i));
rootInfo->setDesktopName( i, s.toUtf8().data() );
desktop_focus_chain[i-1] = i;
}
}
void Workspace::saveDesktopSettings()
{
KSharedConfig::Ptr c = KGlobal::config();
QString groupname;
if (screen_number == 0)
groupname = "Desktops";
else
groupname.sprintf("Desktops-screen-%d", screen_number);
KConfigGroup group(c,groupname);
group.writeEntry("Number", number_of_desktops );
for(int i = 1; i <= number_of_desktops; i++)
{
QString s = desktopName( i );
QString defaultvalue = i18n("Desktop %1", i);
if ( s.isEmpty() )
{
s = defaultvalue;
rootInfo->setDesktopName( i, s.toUtf8().data() );
}
if (s != defaultvalue)
{
group.writeEntry( QString("Name_%1").arg(i), s );
}
else
{
QString currentvalue = group.readEntry(QString("Name_%1").arg(i), QString());
if (currentvalue != defaultvalue)
group.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 (KAuthorized::authorizeControlModule("kde-kwinoptions.desktop"))
args << "kwinactions" << "kwinfocus" << "kwinmoving" << "kwinadvanced" << "kwinrules" << "kwintranslucency" << "kwineffects";
return args;
}
void Workspace::configureWM()
{
KToolInvocation::kdeinitExec( "kcmshell", configModules(false) );
}
/*!
avoids managing a window with title \a title
*/
void Workspace::doNotManage( const 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.indexIn(title) != -1)
{
doNotManageList.erase( 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::flush();
}
/*!
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:
QList<Window> obscuring_windows;
static QList<Window>* cached;
static unsigned int max_cache_size;
};
QList<Window>* ObscuringWindows::cached = 0;
unsigned int ObscuringWindows::max_cache_size = 0;
void ObscuringWindows::create( Client* c )
{
if( compositing()) // not needed with compositing
return;
if( cached == 0 )
cached = new QList<Window>;
Window obs_win;
XWindowChanges chngs;
int mask = CWSibling | CWStackMode;
if( cached->count() > 0 )
{
cached->removeAll( 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( display(), rootWindow(), c->x(), c->y(),
c->width(), c->height(), 0, CopyFromParent, InputOutput,
CopyFromParent, CWBackPixmap | CWOverrideRedirect, &a );
}
chngs.sibling = c->frameId();
chngs.stack_mode = Below;
XConfigureWindow( display(), obs_win, mask, &chngs );
XMapWindow( display(), obs_win );
obscuring_windows.append( obs_win );
}
ObscuringWindows::~ObscuringWindows()
{
max_cache_size = qMax( ( int )max_cache_size, obscuring_windows.count() + 4 ) - 1;
for( QList<Window>::ConstIterator it = obscuring_windows.begin();
it != obscuring_windows.end();
++it )
{
XUnmapWindow( display(), *it );
if( cached->count() < ( int )max_cache_size )
cached->prepend( *it );
else
XDestroyWindow( display(), *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( int i = stacking_order.size() - 1; i >= 0 ; --i )
if ( stacking_order.at( i )->isOnDesktop( new_desktop ) )
stacking_order.at( i )->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( int i = focus_chain[ currentDesktop() ].size() - 1;
i >= 0;
--i )
{
if( focus_chain[ currentDesktop() ].at( i )->isShown( false )
&& focus_chain[ currentDesktop() ].at( i )->isOnCurrentDesktop())
{
c = focus_chain[ currentDesktop() ].at( i );
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 if( !desktops.isEmpty() )
requestFocus( findDesktop( true, currentDesktop()));
else
focusToNull();
updateCurrentTopMenu();
// Update focus chain:
// If input: chain = { 1, 2, 3, 4 } and currentDesktop() = 3,
// Output: chain = { 3, 1, 2, 4 }.
// kDebug(1212) << QString("Switching to desktop #%1, at focus_chain index %2\n")
// .arg(currentDesktop()).arg(desktop_focus_chain.find( currentDesktop() ));
for( int i = desktop_focus_chain.indexOf( 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]) + ", ";
// kDebug(1212) << s << "}\n";
if( old_desktop != 0 ) // not for the very first time
popupinfo->showInfo( desktopName(currentDesktop()) );
if( effects != NULL && old_desktop != 0 && old_desktop != new_desktop )
static_cast<EffectsHandlerImpl*>(effects)->desktopChanged( old_desktop );
if( compositing())
addRepaintFull();
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;
Qt::Orientation orientation;
calcDesktopLayout( &x, &y, &orientation );
int dt = desktop-1;
if (orientation == 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;
Qt::Orientation orientation;
calcDesktopLayout( &x, &y, &orientation );
int dt = desktop-1;
if (orientation == 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;
Qt::Orientation orientation;
calcDesktopLayout( &x, &y, &orientation);
int dt = desktop-1;
if (orientation == 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;
Qt::Orientation orientation;
calcDesktopLayout( &x, &y, &orientation);
int dt = desktop-1;
if (orientation == 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();
}
int Workspace::numScreens() const
{
if( !options->xineramaEnabled )
return 1;
return qApp->desktop()->numScreens();
}
int Workspace::activeScreen() const
{
if( !options->xineramaEnabled )
return 0;
if( !options->activeMouseScreen )
{
if( activeClient() != NULL && !activeClient()->isOnScreen( active_screen ))
return qApp->desktop()->screenNumber( activeClient()->geometry().center());
return active_screen;
}
return qApp->desktop()->screenNumber( QCursor::pos());
}
// check whether a client moved completely out of what's considered the active screen,
// if yes, set a new active screen
void Workspace::checkActiveScreen( const Client* c )
{
if( !options->xineramaEnabled )
return;
if( !c->isActive())
return;
if( !c->isOnScreen( active_screen ))
active_screen = c->screen();
}
// called e.g. when a user clicks on a window, set active screen to be the screen
// where the click occurred
void Workspace::setActiveScreenMouse( QPoint mousepos )
{
if( !options->xineramaEnabled )
return;
active_screen = qApp->desktop()->screenNumber( mousepos );
}
QRect Workspace::screenGeometry( int screen ) const
{
if( !options->xineramaEnabled )
return qApp->desktop()->geometry();
return qApp->desktop()->screenGeometry( screen );
}
int Workspace::screenNumber( QPoint pos ) const
{
if( !options->xineramaEnabled )
return 0;
return qApp->desktop()->screenNumber( pos );
}
void Workspace::sendClientToScreen( Client* c, int screen )
{
if( c->screen() == screen ) // don't use isOnScreen(), that's true even when only partially
return;
GeometryUpdatesBlocker blocker( c );
QRect old_sarea = clientArea( MaximizeArea, c );
QRect sarea = clientArea( MaximizeArea, screen, c->desktop());
c->setGeometry( sarea.x() - old_sarea.x() + c->x(), sarea.y() - old_sarea.y() + c->y(),
c->size().width(), c->size().height());
c->checkWorkspacePosition();
ClientList transients_stacking_order = ensureStackingOrder( c->transients());
for( ClientList::ConstIterator it = transients_stacking_order.begin();
it != transients_stacking_order.end();
++it )
sendClientToScreen( *it, screen );
if( c->isActive())
active_screen = screen;
}
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* xp, int* yp, Qt::Orientation* orientation) const
{
int x = layoutX; // <= 0 means compute it from the other and total number of desktops
int 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;
*xp = x;
*yp = y;
*orientation = layoutOrientation;
}
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( display(), 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( display(), 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( Extensions::shapeAvailable())
{
//As the first step, get the mask from XShape.
int count, order;
XRectangle* rects = XShapeGetRectangles( display(), 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;
QVector<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 (int 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( rootWindow() );
QClipboard *cb = QApplication::clipboard();
cb->setPixmap( p );
}
/*!
Invokes keyboard mouse emulation
*/
void Workspace::slotMouseEmulation()
{
if ( mouse_emulation )
{
ungrabXKeyboard();
mouse_emulation = false;
return;
}
if( grabXKeyboard())
{
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 = rootWindow();
int root_x, root_y, lx, ly;
uint state;
Window w;
Client * c = 0;
do
{
w = child;
if (!c)
c = findClient( FrameIdMatchPredicate( w ));
XQueryPointer( display(), 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 || qobject_cast<QToolButton*>(widget)) && !findClient( WindowMatchPredicate( w )) )
{
int x, y;
Window xw;
XTranslateCoordinates( display(), rootWindow(), 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 = rootWindow();
e.xmotion.subwindow = w;
e.xmotion.time = xTime();
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( display(), w, true, ButtonMotionMask, &e );
}
else
{
XEvent e;
e.type = type == EmuRelease ? ButtonRelease : ButtonPress;
e.xbutton.window = w;
e.xbutton.root = rootWindow();
e.xbutton.subwindow = w;
e.xbutton.time = xTime();
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( display(), 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 != rootWindow() )
return false;
int kc = XKeycodeToKeysym(display(), 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 = cursorPos();
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:
ungrabXKeyboard();
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->setSingleShot( true );
delayFocusTimer->start( options->delayFocusInterval );
}
void Workspace::cancelDelayFocus()
{
delete delayFocusTimer;
delayFocusTimer = 0;
}
// Electric Borders
//========================================================================//
// Electric Border Window management. Electric borders allow a user
// to change the virtual desktop or activate another features
// by moving the mouse pointer to the borders or corners.
// Technically this is done with input only windows.
void Workspace::updateElectricBorders()
{
electric_time_first = xTime();
electric_time_last = xTime();
electric_current_border = ElectricNone;
QRect r = QApplication::desktop()->geometry();
electricTop = r.top();
electricBottom = r.bottom();
electricLeft = r.left();
electricRight = r.right();
for( int pos = 0;
pos < ELECTRIC_COUNT;
++pos )
{
if( electric_reserved[ pos ] == 0 )
{
if( electric_windows[ pos ] != None )
XDestroyWindow( display(), electric_windows[ pos ] );
electric_windows[ pos ] = None;
continue;
}
if( electric_windows[ pos ] != None )
continue;
XSetWindowAttributes attributes;
attributes.override_redirect = True;
attributes.event_mask = EnterWindowMask | LeaveWindowMask;
unsigned long valuemask = CWOverrideRedirect | CWEventMask;
int xywh[ ELECTRIC_COUNT ][ 4 ] =
{
{ r.left() + 1, r.top(), r.width() - 2, 1 }, // top
{ r.right(), r.top(), 1, 1 }, // topright
{ r.right(), r.top() + 1, 1, r.height() - 2 }, // etc.
{ r.right(), r.bottom(), 1, 1 },
{ r.left() + 1, r.bottom(), r.width() - 2, 1 },
{ r.left(), r.bottom(), 1, 1 },
{ r.left(), r.top() + 1, 1, r.height() - 2 },
{ r.left(), r.top(), 1, 1 }
};
electric_windows[ pos ] = XCreateWindow( display(), rootWindow(),
xywh[ pos ][ 0 ], xywh[ pos ][ 1 ], xywh[ pos ][ 2 ], xywh[ pos ][ 3 ],
0, CopyFromParent, InputOnly, CopyFromParent, valuemask, &attributes );
XMapWindow( display(), electric_windows[ pos ]);
// Set XdndAware on the windows, so that DND enter events are received (#86998)
Atom version = 4; // XDND version
XChangeProperty( display(), electric_windows[ pos ], atoms->xdnd_aware, XA_ATOM,
32, PropModeReplace, ( unsigned char* )&version, 1 );
}
}
void Workspace::destroyElectricBorders()
{
for( int pos = 0;
pos < ELECTRIC_COUNT;
++pos )
{
if( electric_windows[ pos ] != None )
XDestroyWindow( display(), electric_windows[ pos ] );
electric_windows[ pos ] = None;
}
}
void Workspace::reserveElectricBorderSwitching( bool reserve )
{
for( int pos = 0;
pos < ELECTRIC_COUNT;
++pos )
if( reserve )
reserveElectricBorder( static_cast< ElectricBorder >( pos ));
else
unreserveElectricBorder( static_cast< ElectricBorder >( pos ));
}
void Workspace::reserveElectricBorder( ElectricBorder border )
{
if( border == ElectricNone )
return;
if( electric_reserved[ border ]++ == 0 )
QTimer::singleShot( 0, this, SLOT( updateElectricBorders()));
}
void Workspace::unreserveElectricBorder( ElectricBorder border )
{
if( border == ElectricNone )
return;
assert( electric_reserved[ border ] > 0 );
if( --electric_reserved[ border ] == 0 )
QTimer::singleShot( 0, this, SLOT( updateElectricBorders()));
}
void Workspace::checkElectricBorder(const QPoint &pos, Time now)
{
if ((pos.x() != electricLeft) &&
(pos.x() != electricRight) &&
(pos.y() != electricTop) &&
(pos.y() != electricBottom))
return;
bool have_borders = false;
for( int i = 0;
i < ELECTRIC_COUNT;
++i )
if( electric_windows[ i ] != None )
have_borders = true;
if( !have_borders )
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
ElectricBorder border;
if( pos.x() == electricLeft && pos.y() == electricTop )
border = ElectricTopLeft;
else if( pos.x() == electricRight && pos.y() == electricTop )
border = ElectricTopRight;
else if( pos.x() == electricLeft && pos.y() == electricBottom )
border = ElectricBottomLeft;
else if( pos.x() == electricRight && pos.y() == electricBottom )
border = ElectricBottomRight;
else if( pos.x() == electricLeft )
border = ElectricLeft;
else if( pos.x() == electricRight )
border = ElectricRight;
else if( pos.y() == electricTop )
border = ElectricTop;
else if( pos.y() == electricBottom )
border = ElectricBottom;
else
abort();
if( electric_windows[ border ] == None )
return;
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 = ElectricNone;
if( effects && static_cast<EffectsHandlerImpl*>(effects)->borderActivated( border ))
{} // handled by effects
else
electricBorderSwitchDesktop( border, pos );
return;
}
}
else
{
electric_current_border = border;
electric_time_first = now;
electric_time_last = now;
electric_push_point = pos;
}
// reset the pointer to find out wether the user is really pushing
// (the direction back from which it came, starting from top clockwise)
const int xdiff[ ELECTRIC_COUNT ] = { 0, -1, -1, -1, 0, 1, 1, 1 };
const int ydiff[ ELECTRIC_COUNT ] = { 1, 1, 0, -1, -1, -1, 0, 1 };
QCursor::setPos( pos.x() + xdiff[ border ], pos.y() + ydiff[ border ] );
}
void Workspace::electricBorderSwitchDesktop( ElectricBorder border, const QPoint& _pos )
{
QPoint pos = _pos;
int desk = currentDesktop();
const int OFFSET = 2;
if( border == ElectricLeft || border == ElectricTopLeft || border == ElectricBottomLeft )
{
desk = desktopToLeft( desk );
pos.setX( displayWidth() - 1 - OFFSET );
}
if( border == ElectricRight || border == ElectricTopRight || border == ElectricBottomRight )
{
desk = desktopToRight( desk );
pos.setX( OFFSET );
}
if( border == ElectricTop || border == ElectricTopLeft || border == ElectricTopRight )
{
desk = desktopUp( desk );
pos.setY( displayHeight() - 1 - OFFSET );
}
if( border == ElectricBottom || border == ElectricBottomLeft || border == ElectricBottomRight )
{
desk = desktopDown( desk );
pos.setY( OFFSET );
}
int desk_before = currentDesktop();
setCurrentDesktop( desk );
if( currentDesktop() != desk_before )
QCursor::setPos( pos );
}
// this function is called when the user entered an electric border
// with the mouse. It may switch to another virtual desktop
bool Workspace::electricBorderEvent(XEvent *e)
{
if( e->type == EnterNotify )
{
for( int i = 0;
i < ELECTRIC_COUNT;
++i )
if( electric_windows[ i ] != None && e->xcrossing.window == electric_windows[ i ] )
{ // the user entered an electric border
checkElectricBorder( 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 )
{
for( int i = 0;
i < ELECTRIC_COUNT;
++i )
if( electric_windows[ i ] != None && e->xclient.window == electric_windows[ i ] )
{
updateXTime();
checkElectricBorder( QPoint( e->xclient.data.l[2]>>16, e->xclient.data.l[2]&0xffff), xTime() );
return true;
}
}
}
return false;
}
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();
}
// kDebug() << "NEW TOPMENU:" << c << endl;
}
void Workspace::removeTopMenu( Client* c )
{
// if( c->isTopMenu())
// kDebug() << "REMOVE TOPMENU:" << c << endl;
assert( c->isTopMenu());
assert( topmenus.contains( c ));
topmenus.removeAll( c );
updateCurrentTopMenu();
// TODO reduce topMenuHeight() if possible?
}
void Workspace::lostTopMenuSelection()
{
// kDebug() << "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;
// kDebug() << "TopMenu selection lost owner" << endl;
if( !topmenu_selection->claim( false ))
{
// kDebug() << "Failed to claim TopMenu selection" << endl;
return;
}
// kDebug() << "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(display(), 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.addAction( "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(display(), null_focus_window, RevertToPointerRoot, xTime() );
}
void Workspace::helperDialog( const QString& message, const Client* c )
{
QStringList args;
QString type;
if( message == "noborderaltf3" )
{
KAction* action = qobject_cast<KAction*>(keys->action( "Window Operations Menu" ));
if (action==0) assert( false );
QString shortcut = QString( "%1 (%2)" ).arg( action->text() )
.arg( action->globalShortcut().primary().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." ,
shortcut );
type = "altf3warning";
}
else if( message == "fullscreenaltf3" )
{
KAction* action = qobject_cast<KAction*>(keys->action( "Window Operations Menu" ));
if (action==0) assert( false );
QString shortcut = QString( "%1 (%2)" ).arg( action->text() )
.arg( action->globalShortcut().primary().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." ,
shortcut );
type = "altf3warning";
}
else
assert( false );
if( !type.isEmpty())
{
KConfig cfg( "kwin_dialogsrc" );
KConfigGroup cg(&cfg, "Notification Messages" ); // this depends on KMessageBox
if( !cg.readEntry( type, true )) // has don't show again checked
return; // save launching kdialog
args <<"--dontagain" << "kwin_dialogsrc:" + type;
}
if( c != NULL )
args <<"--embed" << QString::number( c->window());
KProcess::startDetached("kdialog",args);
}
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();
--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();
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();
}
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;
KGlobalSettings::self()->emitChange( KGlobalSettings::BlockShortcuts, disable );
// kwin will get the kipc message too
}
}
void Workspace::disableGlobalShortcuts( bool disable )
{
KGlobalSettings::self()->emitChange( KGlobalSettings::BlockShortcuts, disable );
// kwin will get the kipc message too
}
void Workspace::slotBlockShortcuts( int data )
{
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();
}
// Optimized version of QCursor::pos() that tries to avoid X roundtrips
// by updating the value only when the X timestamp changes.
static QPoint last_cursor_pos;
static int last_buttons = 0;
static Time last_cursor_timestamp = CurrentTime;
QPoint Workspace::cursorPos()
{
if( last_cursor_timestamp == CurrentTime
|| last_cursor_timestamp != QX11Info::appTime())
{
last_cursor_timestamp = QX11Info::appTime();
Window root;
Window child;
int root_x, root_y, win_x, win_y;
uint state;
XQueryPointer( display(), rootWindow(), &root, &child,
&root_x, &root_y, &win_x, &win_y, &state );
last_cursor_pos = QPoint( root_x, root_y );
last_buttons = state;
QTimer::singleShot( 0, this, SLOT( resetCursorPosTime()));
}
return last_cursor_pos;
}
// Because of QTimer's and the impossibility to get events for all mouse
// movements (at least I haven't figured out how) the position needs
// to be also refetched after each return to the event loop.
void Workspace::resetCursorPosTime()
{
last_cursor_timestamp = CurrentTime;
}
void Workspace::checkCursorPos()
{
QPoint last = last_cursor_pos;
int lastb = last_buttons;
cursorPos(); // update if needed
if( last != last_cursor_pos || lastb != last_buttons )
static_cast< EffectsHandlerImpl* >( effects )->mouseChanged( cursorPos(), last,
x11ToQtMouseButtons( last_buttons ), x11ToQtKeyboardModifiers( last_buttons ));
}
} // namespace
#include "workspace.moc"
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