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kwin/workspace.cpp
Thomas Lübking 5b40492a84 add support for graphicssystem selection 
REVIEW: 103430
CCBUG: 289904
(cherry picked from commit ded4ed4e9dc32316c41a43b6e906bece4b92338f)
2012-01-02 18:56:21 +01:00

2283 lines
74 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>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
//#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 <QToolButton>
#include <kactioncollection.h>
#include <kaction.h>
#include <kconfiggroup.h>
#include <kcmdlineargs.h>
#include <QtDBus/QtDBus>
#include "client.h"
#ifdef KWIN_BUILD_TABBOX
#include "tabbox.h"
#endif
#ifdef KWIN_BUILD_DESKTOPCHANGEOSD
#include "desktopchangeosd.h"
#endif
#include "atoms.h"
#include "placement.h"
#include "notifications.h"
#include "outline.h"
#include "group.h"
#include "rules.h"
#include "kwinadaptor.h"
#include "unmanaged.h"
#include "deleted.h"
#include "effects.h"
#include "overlaywindow.h"
#ifdef KWIN_BUILD_TILING
#include "tiling/tile.h"
#include "tiling/tilinglayout.h"
#include "tiling/tiling.h"
#endif
#ifdef KWIN_BUILD_SCRIPTING
#include "scripting/scripting.h"
#endif
#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>
#include <kwindowsystem.h>
#include <kwindowinfo.h>
#include <kephal/screens.h>
namespace KWin
{
extern int screen_number;
static const int KWIN_MAX_NUMBER_DESKTOPS = 20;
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)
// Desktop layout
, desktopCount_(0) // This is an invalid state
, desktopGridSize_(1, 2) // Default to two rows
, desktopGrid_(new int[2])
, currentDesktop_(0)
// Unsorted
, active_popup(NULL)
, active_popup_client(NULL)
, 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)
, x_stacking_dirty(true)
, showing_desktop(false)
, block_showing_desktop(0)
, was_user_interaction(false)
, session_saving(false)
, block_focus(0)
#ifdef KWIN_BUILD_TABBOX
, tab_box(0)
#endif
#ifdef KWIN_BUILD_DESKTOPCHANGEOSD
, desktop_change_osd(0)
#endif
, popup(0)
, advanced_popup(0)
, desk_popup(0)
, activity_popup(0)
, add_tabs_popup(0)
, switch_to_tab_popup(0)
, keys(0)
, client_keys(NULL)
, disable_shortcuts_keys(NULL)
, client_keys_dialog(NULL)
, client_keys_client(NULL)
, global_shortcuts_disabled(false)
, global_shortcuts_disabled_for_client(false)
, workspaceInit(true)
, startup(0)
, set_active_client_recursion(0)
, block_stacking_updates(0)
, forced_global_mouse_grab(false)
, cm_selection(NULL)
, compositingSuspended(false)
, compositingBlocked(false)
, xrrRefreshRate(0)
, transSlider(NULL)
, transButton(NULL)
, forceUnredirectCheck(true)
, m_finishingCompositing(false)
{
(void) new KWinAdaptor(this);
QDBusConnection dbus = QDBusConnection::sessionBus();
dbus.registerObject("/KWin", this);
dbus.connect(QString(), "/KWin", "org.kde.KWin", "reloadConfig",
this, SLOT(slotReloadConfig()));
dbus.connect(QString(), "/KWin", "org.kde.KWin", "reinitCompositing",
this, SLOT(slotReinitCompositing()));
// Initialize desktop grid array
desktopGrid_[0] = 0;
desktopGrid_[1] = 0;
_self = this;
mgr = new PluginMgr;
QX11Info info;
default_colormap = DefaultColormap(display(), info.screen());
installed_colormap = default_colormap;
connect(&temporaryRulesMessages, SIGNAL(gotMessage(QString)),
this, SLOT(gotTemporaryRulesMessage(QString)));
connect(&rulesUpdatedTimer, SIGNAL(timeout()), this, SLOT(writeWindowRules()));
connect(&unredirectTimer, SIGNAL(timeout()), this, SLOT(delayedCheckUnredirect()));
connect(&compositeResetTimer, SIGNAL(timeout()), this, SLOT(resetCompositing()));
unredirectTimer.setSingleShot(true);
compositeResetTimer.setSingleShot(true);
updateXTime(); // Needed for proper initialization of user_time in Client ctor
delayFocusTimer = 0;
#ifdef KWIN_BUILD_TILING
m_tiling = new Tiling(this);
#endif
if (restore)
loadSessionInfo();
loadWindowRules();
// Call this before XSelectInput() on the root window
startup = new KStartupInfo(
KStartupInfo::DisableKWinModule | KStartupInfo::AnnounceSilenceChanges, this);
// Select windowmanager privileges
XSelectInput(display(), rootWindow(),
KeyPressMask |
PropertyChangeMask |
ColormapChangeMask |
SubstructureRedirectMask |
SubstructureNotifyMask |
FocusChangeMask | // For NotifyDetailNone
ExposureMask
);
Extensions::init();
compositingSuspended = !options->useCompositing;
#ifdef KWIN_BUILD_TABBOX
// need to create the tabbox before compositing scene is setup
tab_box = new TabBox::TabBox(this);
#endif
nextPaintReference.invalidate(); // Initialize the timer
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);
#ifdef KWIN_BUILD_DESKTOPCHANGEOSD
desktop_change_osd = new DesktopChangeOSD(this);
#endif
m_outline = new Outline();
initShortcuts();
init();
connect(Kephal::Screens::self(), SIGNAL(screenAdded(Kephal::Screen*)), SLOT(screenAdded(Kephal::Screen*)));
connect(Kephal::Screens::self(), SIGNAL(screenRemoved(int)), SLOT(screenRemoved(int)));
connect(Kephal::Screens::self(), SIGNAL(screenResized(Kephal::Screen*,QSize,QSize)), SLOT(screenResized(Kephal::Screen*,QSize,QSize)));
connect(Kephal::Screens::self(), SIGNAL(screenMoved(Kephal::Screen*,QPoint,QPoint)), SLOT(screenMoved(Kephal::Screen*,QPoint,QPoint)));
connect(&activityController_, SIGNAL(currentActivityChanged(QString)), SLOT(updateCurrentActivity(QString)));
connect(&activityController_, SIGNAL(activityRemoved(QString)), SLOT(activityRemoved(QString)));
connect(&activityController_, SIGNAL(activityAdded(QString)), SLOT(activityAdded(QString)));
connect(&screenChangedTimer, SIGNAL(timeout()), SLOT(screenChangeTimeout()));
screenChangedTimer.setSingleShot(true);
screenChangedTimer.setInterval(100);
}
void Workspace::screenChangeTimeout()
{
kDebug() << "It is time to call desktopResized";
desktopResized();
}
void Workspace::screenAdded(Kephal::Screen* screen)
{
kDebug();
screenChangedTimer.start();
}
void Workspace::screenRemoved(int screen)
{
kDebug();
screenChangedTimer.start();
}
void Workspace::screenResized(Kephal::Screen* screen, QSize old, QSize newSize)
{
kDebug();
screenChangedTimer.start();
}
void Workspace::screenMoved(Kephal::Screen* screen, QPoint old, QPoint newPos)
{
kDebug();
screenChangedTimer.start();
}
void Workspace::init()
{
#ifdef KWIN_BUILD_SCREENEDGES
m_screenEdge.init();
#endif
// Not used yet
//topDock = 0L;
//maximizedWindowCounter = 0;
supportWindow = new QWidget(NULL, Qt::X11BypassWindowManagerHint);
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::UtilityMask |
NET::SplashMask |
// No compositing window types here unless we support them also as managed window types
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 |
NET::WM2FullscreenMonitors |
NET::WM2KDEShadow |
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
,
};
if (hasDecorationPlugin() && mgr->factory()->supports(AbilityExtendIntoClientArea))
protocols[ NETRootInfo::PROTOCOLS2 ] |= NET::WM2FrameOverlap;
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);
allActivities_ = activityController_.listActivities();
updateCurrentActivity(activityController_.currentActivity());
// Now we know how many desktops we'll have, 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(&mousePollingTimer, SIGNAL(timeout()), SLOT(performMousePoll()));
connect(KGlobalSettings::self(), SIGNAL(appearanceChanged()), this, SLOT(reconfigure()));
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
{
// Begin updates blocker block
StackingUpdatesBlocker blocker(this);
unsigned int i, nwins;
Window root_return, parent_return;
Window* wins;
XQueryTree(display(), rootWindow(), &root_return, &parent_return, &wins, &nwins);
bool fixoffset = KCmdLineArgs::parsedArgs()->getOption("crashes").toInt() > 0;
for (i = 0; i < nwins; i++) {
XWindowAttributes attr;
XGetWindowAttributes(display(), wins[i], &attr);
if (attr.override_redirect) {
createUnmanaged(wins[i]);
continue;
}
if (attr.map_state != IsUnmapped) {
if (fixoffset)
fixPositionAfterCrash(wins[ i ], attr);
createClient(wins[i], true);
}
}
if (wins)
XFree((void*)(wins));
// Propagate clients, will really happen at the end of the updates blocker block
updateStackingOrder(true);
saveOldScreenSizes();
updateClientArea();
// NETWM spec says we have to set it to (0,0) if we don't support it
NETPoint* viewports = new NETPoint[numberOfDesktops()];
rootInfo->setDesktopViewport(numberOfDesktops(), *viewports);
delete[] viewports;
QRect geom = Kephal::ScreenUtils::desktopGeometry();
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(), -1);
if (new_active_client == NULL && !desktops.isEmpty())
new_active_client = findDesktop(true, currentDesktop());
}
if (new_active_client != NULL)
activateClient(new_active_client);
#ifdef KWIN_BUILD_TILING
// Enable/disable tiling
m_tiling->setEnabled(options->tilingOn);
#endif
// 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);
#ifdef KWIN_BUILD_TILING
delete m_tiling;
#endif
// TODO: grabXServer();
// Use stacking_order, so that kwin --replace keeps stacking order
for (ClientList::iterator it = stacking_order.begin(), end = stacking_order.end(); it != 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.removeAll(*it);
desktops.removeAll(*it);
}
for (UnmanagedList::iterator it = unmanaged.begin(), end = unmanaged.end(); it != end; ++it)
(*it)->release();
#ifdef KWIN_BUILD_DESKTOPCHANGEOSD
delete desktop_change_osd;
#endif
delete m_outline;
discardPopup();
XDeleteProperty(display(), rootWindow(), atoms->kwin_running);
writeWindowRules();
KGlobal::config()->sync();
delete rootInfo;
delete supportWindow;
delete mgr;
delete startup;
delete initPositioning;
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();
delete[] desktopGrid_;
_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);
#ifdef KWIN_BUILD_TILING
m_tiling->createTile(c);
#endif
return c;
}
Unmanaged* Workspace::createUnmanaged(Window w)
{
if (compositing() && w == scene->overlayWindow()->window())
return NULL;
Unmanaged* c = new Unmanaged(this);
if (!c->track(w)) {
Unmanaged::deleteUnmanaged(c, Allowed);
return NULL;
}
addUnmanaged(c, Allowed);
emit unmanagedAdded(c);
return c;
}
void Workspace::addClient(Client* c, allowed_t)
{
Group* grp = findGroup(c->window());
KWindowInfo info = KWindowSystem::windowInfo(c->window(), -1U, NET::WM2WindowClass);
/*
if (info.windowClassName() == QString("krunner")) {
SWrapper::Workspace* ws_object = KWin::Scripting::workspace();
if (ws_object != 0) {
ws_object->sl_killWindowCalled(c);
}
}*/
emit clientAdded(c);
if (grp != NULL)
grp->gotLeader(c);
if (c->isDesktop()) {
desktops.append(c);
if (active_client == NULL && should_get_focus.isEmpty() && c->isOnCurrentDesktop())
requestFocus(c); // TODO: 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
x_stacking_dirty = true;
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 TODO: Does this really belong here?
updateStackingOrder(true); // Propagate new client
if (c->isUtility() || c->isMenu() || c->isToolbar())
updateToolWindows(true);
checkNonExistentClients();
#ifdef KWIN_BUILD_TABBOX
if (tabBox()->isGrabbed())
tab_box->reset(true);
#endif
}
void Workspace::addUnmanaged(Unmanaged* c, allowed_t)
{
unmanaged.append(c);
x_stacking_dirty = true;
}
/**
* Destroys the client \a c
*/
void Workspace::removeClient(Client* c, allowed_t)
{
emit clientRemoved(c);
if (c == active_popup_client)
closeActivePopup();
if (client_keys_client == c)
setupWindowShortcutDone(false);
if (!c->shortcut().isEmpty()) {
c->setShortcut(QString()); // Remove from client_keys
clientShortcutUpdated(c); // Needed, since this is otherwise delayed by setShortcut() and wouldn't run
}
if (c->isDialog())
Notify::raise(Notify::TransDelete);
if (c->isNormalWindow())
Notify::raise(Notify::Delete);
#ifdef KWIN_BUILD_TABBOX
if (tabBox()->isGrabbed() && tabBox()->currentClient() == c)
tab_box->nextPrev(true);
#endif
Q_ASSERT(clients.contains(c) || desktops.contains(c));
// TODO: if marked client is removed, notify the marked list
clients.removeAll(c);
desktops.removeAll(c);
unconstrained_stacking_order.removeAll(c);
stacking_order.removeAll(c);
x_stacking_dirty = true;
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);
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);
updateCompositeBlocking();
#ifdef KWIN_BUILD_TABBOX
if (tabBox()->isGrabbed())
tab_box->reset(true);
#endif
updateClientArea();
}
void Workspace::removeUnmanaged(Unmanaged* c, allowed_t)
{
assert(unmanaged.contains(c));
unmanaged.removeAll(c);
x_stacking_dirty = true;
}
void Workspace::addDeleted(Deleted* c, allowed_t)
{
assert(!deleted.contains(c));
deleted.append(c);
x_stacking_dirty = true;
}
void Workspace::removeDeleted(Deleted* c, allowed_t)
{
assert(deleted.contains(c));
if (scene)
scene->windowDeleted(c);
emit deletedRemoved(c);
deleted.removeAll(c);
x_stacking_dirty = true;
}
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::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.constBegin(); it != clients.constEnd(); ++it)
if (!(*it)->clientGroup() || (*it)->clientGroup()->visible() == *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 TODO: 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.constBegin();
it != stacking_order.constEnd();
++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.constBegin();
it2 != mainclients.constEnd();
++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.constBegin();
it != to_hide.constEnd();
++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
resetUpdateToolWindowsTimer();
}
void Workspace::resetUpdateToolWindowsTimer()
{
updateToolWindowsTimer.start(200);
}
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);
}
/**
* This D-Bus call is used by the compositing kcm. Since the reconfigure()
* D-Bus call delays the actual reconfiguring, it is not possible to immediately
* call compositingActive(). Therefore the kcm will instead call this to ensure
* the reconfiguring has already happened.
*/
bool Workspace::waitForCompositingSetup()
{
if (reconfigureTimer.isActive()) {
reconfigureTimer.stop();
slotReconfigure();
}
return compositingActive();
}
void Workspace::slotSettingsChanged(int category)
{
kDebug(1212) << "Workspace::slotSettingsChanged()";
if (category == KGlobalSettings::SETTINGS_SHORTCUTS)
discardPopup();
}
/**
* Reread settings
*/
KWIN_PROCEDURE(CheckBorderSizesProcedure, Client, cl->checkBorderSizes(true));
void Workspace::slotReconfigure()
{
kDebug(1212) << "Workspace::slotReconfigure()";
reconfigureTimer.stop();
#ifdef KWIN_BUILD_SCREENEDGES
m_screenEdge.reserveActions(false);
if (options->electricBorders() == Options::ElectricAlways)
m_screenEdge.reserveDesktopSwitching(false);
#endif
bool borderlessMaximizedWindows = options->borderlessMaximizedWindows();
KGlobal::config()->reparseConfiguration();
unsigned long changed = options->updateSettings();
emit configChanged();
initPositioning->reinitCascading(0);
discardPopup();
forEachClient(CheckIgnoreFocusStealingProcedure());
updateToolWindows(true);
if (hasDecorationPlugin() && mgr->reset(changed)) {
// Decorations need to be recreated
// This actually seems to make things worse now
//QWidget curtain;
//curtain.setBackgroundMode( NoBackground );
//curtain.setGeometry( Kephal::ScreenUtils::desktopGeometry() );
//curtain.show();
for (ClientList::ConstIterator it = clients.constBegin();
it != clients.constEnd();
++it)
(*it)->updateDecoration(true, true);
// If the new decoration doesn't supports tabs then ungroup clients
if (!decorationSupportsClientGrouping()) {
QList<ClientGroup*> tmpGroups = clientGroups; // Prevent crashing
for (QList<ClientGroup*>::const_iterator i = tmpGroups.constBegin(); i != tmpGroups.constEnd(); ++i)
(*i)->removeAll();
}
mgr->destroyPreviousPlugin();
} else {
forEachClient(CheckBorderSizesProcedure());
foreach (Client * c, clients)
c->triggerDecorationRepaint();
}
#ifdef KWIN_BUILD_SCREENEDGES
m_screenEdge.reserveActions(true);
if (options->electricBorders() == Options::ElectricAlways)
m_screenEdge.reserveDesktopSwitching(true);
m_screenEdge.update();
#endif
if (!compositingSuspended) {
setupCompositing();
if (effects) // setupCompositing() may fail
effects->reconfigure();
addRepaintFull();
} else
finishCompositing();
loadWindowRules();
for (ClientList::Iterator it = clients.begin();
it != clients.end();
++it) {
(*it)->setupWindowRules(true);
(*it)->applyWindowRules();
discardUsedWindowRules(*it, false);
}
if (borderlessMaximizedWindows != options->borderlessMaximizedWindows() &&
!options->borderlessMaximizedWindows()) {
// in case borderless maximized windows option changed and new option
// is to have borders, we need to unset the borders for all maximized windows
for (ClientList::Iterator it = clients.begin();
it != clients.end();
++it) {
if ((*it)->maximizeMode() == MaximizeFull)
(*it)->checkNoBorder();
}
}
#ifdef KWIN_BUILD_TILING
m_tiling->setEnabled(options->tilingOn);
// just so that we reset windows in the right manner, 'activate' the current active window
m_tiling->notifyTilingWindowActivated(activeClient());
#endif
if (hasDecorationPlugin()) {
rootInfo->setSupported(NET::WM2FrameOverlap, mgr->factory()->supports(AbilityExtendIntoClientArea));
} else {
rootInfo->setSupported(NET::WM2FrameOverlap, false);
}
}
void Workspace::restartKWin(const QString &reason)
{
kDebug(1212) << "restarting kwin for:" << reason;
char cmd[1024]; // copied from crashhandler - maybe not the best way to do?
sprintf(cmd, "%s --replace &", QFile::encodeName(QCoreApplication::applicationFilePath()).constData());
system(cmd);
}
void Workspace::slotReinitCompositing()
{
// Reparse config. Config options will be reloaded by setupCompositing()
KGlobal::config()->reparseConfiguration();
const QString graphicsSystem = KConfigGroup(KSharedConfig::openConfig("kwinrc"), "Compositing").readEntry("GraphicsSystem", "");
if ((Extensions::nonNativePixmaps() && graphicsSystem == "native") ||
(!Extensions::nonNativePixmaps() && (graphicsSystem == "raster" || graphicsSystem == "raster")) ) {
restartKWin("explicitly reconfigured graphicsSystem change");
return;
}
// Update any settings that can be set in the compositing kcm.
#ifdef KWIN_BUILD_SCREENEDGES
m_screenEdge.update();
#endif
// Restart compositing
finishCompositing();
// resume compositing if suspended
compositingSuspended = false;
options->compositingInitialized = false;
setupCompositing();
if (hasDecorationPlugin()) {
KDecorationFactory* factory = mgr->factory();
factory->reset(SettingCompositing);
}
if (effects) { // setupCompositing() may fail
effects->reconfigure();
emit compositingToggled(true);
}
}
static bool _loading_desktop_settings = false;
void Workspace::loadDesktopSettings()
{
_loading_desktop_settings = true;
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);
const int n = group.readEntry("Number", 1);
setNumberOfDesktops(n);
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;
}
int rows = group.readEntry<int>("Rows", 2);
rows = qBound(1, rows, n);
// avoid weird cases like having 3 rows for 4 desktops, where the last row is unused
int columns = n / rows;
if (n % rows > 0) {
columns++;
}
rootInfo->setDesktopLayout(NET::OrientationHorizontal, columns, rows, NET::DesktopLayoutCornerTopLeft);
rootInfo->activate();
_loading_desktop_settings = false;
}
void Workspace::saveDesktopSettings()
{
if (_loading_desktop_settings)
return;
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", numberOfDesktops());
for (int i = 1; i <= numberOfDesktops(); 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), "");
}
}
// Save to disk
group.sync();
}
QStringList Workspace::configModules(bool controlCenter)
{
QStringList args;
args << "kwindecoration";
if (controlCenter)
args << "kwinoptions";
else if (KAuthorized::authorizeControlModule("kde-kwinoptions.desktop"))
args << "kwinactions" << "kwinfocus" << "kwinmoving" << "kwinadvanced"
<< "kwinrules" << "kwincompositing"
#ifdef KWIN_BUILD_TABBOX
<< "kwintabbox"
#endif
#ifdef KWIN_BUILD_SCREENEDGES
<< "kwinscreenedges"
#endif
;
return args;
}
void Workspace::configureWM()
{
QStringList args;
args << "--icon" << "preferences-system-windows" << configModules(false);
KToolInvocation::kdeinitExec("kcmshell4", args);
}
/**
* 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(NULL, Qt::X11BypassWindowManagerHint);
w.setGeometry(Kephal::ScreenUtils::desktopGeometry());
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())
return; // Not needed with compositing
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.constBegin();
it != obscuring_windows.constEnd();
++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 > numberOfDesktops())
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 = currentDesktop();
int old_active_screen = activeScreen();
if (new_desktop != currentDesktop()) {
++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;
currentDesktop_ = new_desktop; // Change the desktop (so that Client::updateVisibility() works)
for (ClientList::ConstIterator it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it)
if (!(*it)->isOnDesktop(new_desktop) && (*it) != movingClient && (*it)->isOnCurrentActivity()) {
if ((*it)->isShown(true) && (*it)->isOnDesktop(old_desktop))
obs_wins.create(*it);
(*it)->updateVisibility();
}
// Now propagate the change, after hiding, before showing
rootInfo->setCurrentDesktop(currentDesktop());
// if the client is moved to another desktop, that desktop may
// not have an existing layout. In addition this tiling layout
// will require rearrangement, so notify about desktop changes.
if (movingClient && !movingClient->isOnDesktop(new_desktop)) {
int old_desktop = movingClient->desktop();
movingClient->setDesktop(new_desktop);
#ifdef KWIN_BUILD_TILING
if (m_tiling->isEnabled()) {
m_tiling->notifyTilingWindowDesktopChanged(movingClient, old_desktop);
}
#else
Q_UNUSED(old_desktop)
#endif
}
for (int i = stacking_order.size() - 1; i >= 0 ; --i)
if (stacking_order.at(i)->isOnDesktop(new_desktop) && stacking_order.at(i)->isOnCurrentActivity())
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
// from actiavtion.cpp
if (!c && options->nextFocusPrefersMouse) {
QList<Client*>::const_iterator it = stackingOrder().constEnd();
while (it != stackingOrder().constBegin()) {
Client *client = *(--it);
if (!(client->isShown(false) && client->isOnDesktop(new_desktop) &&
client->isOnCurrentActivity() && client->isOnScreen(activeScreen())))
continue;
if (client->geometry().contains(QCursor::pos())) {
if (!client->isDesktop())
c = client;
break; // unconditional break - we do not pass the focus to some client below an unusable one
}
}
}
if (!c) {
for (int i = focus_chain[currentDesktop()].size() - 1; i >= 0; --i) {
Client* tmp = focus_chain[currentDesktop()].at(i);
if (tmp->isShown(false) && tmp->isOnCurrentActivity()
&& ( !options->separateScreenFocus || tmp->screen() == old_active_screen )) {
c = tmp;
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();
// 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 (compositing())
addRepaintFull();
emit currentDesktopChanged(old_desktop);
return true;
}
/**
* Updates the current activity when it changes
* do *not* call this directly; it does not set the activity.
*
* Shows/Hides windows according to the stacking order
*/
void Workspace::updateCurrentActivity(const QString &new_activity)
{
//closeActivePopup();
++block_focus;
// TODO: Q_ASSERT( block_stacking_updates == 0 ); // Make sure stacking_order is up to date
StackingUpdatesBlocker blocker(this);
if (new_activity != activity_) {
++block_showing_desktop; //FIXME should I be using that?
// 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;
QString old_activity = activity_;
activity_ = new_activity;
for (ClientList::ConstIterator it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it)
if (!(*it)->isOnActivity(new_activity) && (*it) != movingClient && (*it)->isOnCurrentDesktop()) {
if ((*it)->isShown(true) && (*it)->isOnActivity(old_activity))
obs_wins.create(*it);
(*it)->updateVisibility();
}
// Now propagate the change, after hiding, before showing
//rootInfo->setCurrentDesktop( currentDesktop() );
/* TODO someday enable dragging windows to other activities
if ( movingClient && !movingClient->isOnDesktop( new_desktop ))
{
int old_desktop = movingClient->desktop();
movingClient->setDesktop( new_desktop );
if ( tilingEnabled() )
{
notifyWindowDesktopChanged( movingClient, old_desktop );
}
}
*/
for (int i = stacking_order.size() - 1; i >= 0 ; --i)
if (stacking_order.at(i)->isOnActivity(new_activity))
stacking_order.at(i)->updateVisibility();
--block_showing_desktop;
//FIXME not sure if I should do this either
if (showingDesktop()) // Do this only after desktop change to avoid flicker
resetShowingDesktop(false);
}
// Restore the focus on this desktop
--block_focus;
Client* c = 0;
//FIXME below here is a lot of focuschain stuff, probably all wrong now
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)->isOnCurrentActivity()) {
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() && active_client->isOnCurrentActivity())
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();
// 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";
// Not for the very first time, only if something changed and there are more than 1 desktops
//if ( effects != NULL && old_desktop != 0 && old_desktop != new_desktop )
// static_cast<EffectsHandlerImpl*>( effects )->desktopChanged( old_desktop );
if (compositing())
addRepaintFull();
}
/**
* updates clients when an activity is destroyed.
* this ensures that a client does not get 'lost' if the only activity it's on is removed.
*/
void Workspace::activityRemoved(const QString &activity)
{
allActivities_.removeOne(activity);
foreach (Client * client, stacking_order) {
client->setOnActivity(activity, false);
}
//toss out any session data for it
KConfigGroup cg(KGlobal::config(), QString("SubSession: ") + activity);
cg.deleteGroup();
}
void Workspace::activityAdded(const QString &activity)
{
allActivities_ << activity;
}
/**
* Called only from D-Bus
*/
void Workspace::nextDesktop()
{
int desktop = currentDesktop() + 1;
setCurrentDesktop(desktop > numberOfDesktops() ? 1 : desktop);
}
/**
* Called only from D-Bus
*/
void Workspace::previousDesktop()
{
int desktop = currentDesktop() - 1;
setCurrentDesktop(desktop > 0 ? desktop : numberOfDesktops());
}
/**
* Sets the number of virtual desktops to \a n
*/
void Workspace::setNumberOfDesktops(int n)
{
if (n > KWIN_MAX_NUMBER_DESKTOPS)
n = KWIN_MAX_NUMBER_DESKTOPS;
if (n < 1 || n == numberOfDesktops())
return;
int old_number_of_desktops = numberOfDesktops();
desktopCount_ = n;
updateDesktopLayout(); // Make sure the layout is still valid
if (currentDesktop() > n)
setCurrentDesktop(n);
// move all windows that would be hidden to the last visible desktop
if (old_number_of_desktops > numberOfDesktops()) {
for (ClientList::ConstIterator it = clients.constBegin(); it != clients.constEnd(); ++it) {
if (!(*it)->isOnAllDesktops() && (*it)->desktop() > numberOfDesktops())
sendClientToDesktop(*it, numberOfDesktops(), true);
// TODO: Tile should have a method allClients, push them into other tiles
}
}
rootInfo->setNumberOfDesktops(n);
NETPoint* viewports = new NETPoint[n];
rootInfo->setDesktopViewport(n, *viewports);
delete[] viewports;
// Make it +1, so that it can be accessed as [1..numberofdesktops]
focus_chain.resize(n + 1);
workarea.clear();
workarea.resize(n + 1);
restrictedmovearea.clear();
restrictedmovearea.resize(n + 1);
screenarea.clear();
updateClientArea(true);
// 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;
saveDesktopSettings();
emit numberDesktopsChanged(old_number_of_desktops);
}
/**
* Sends client \a c to desktop \a desk.
*
* Takes care of transients as well.
*/
void Workspace::sendClientToDesktop(Client* c, int desk, bool dont_activate)
{
if ((desk < 1 && desk != NET::OnAllDesktops) || desk > numberOfDesktops())
return;
int old_desktop = c->desktop();
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
emit desktopPresenceChanged(c, old_desktop);
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);
#ifdef KWIN_BUILD_TILING
m_tiling->notifyTilingWindowDesktopChanged(c, old_desktop);
#endif
c->checkWorkspacePosition( QRect(), old_desktop );
ClientList transients_stacking_order = ensureStackingOrder(c->transients());
for (ClientList::ConstIterator it = transients_stacking_order.constBegin();
it != transients_stacking_order.constEnd();
++it)
sendClientToDesktop(*it, desk, dont_activate);
updateClientArea();
}
/**
* Adds/removes client \a c to/from \a activity.
*
* Takes care of transients as well.
*/
void Workspace::toggleClientOnActivity(Client* c, const QString &activity, bool dont_activate)
{
//int old_desktop = c->desktop();
bool was_on_activity = c->isOnActivity(activity);
bool was_on_all = c->isOnAllActivities();
//note: all activities === no activities
bool enable = was_on_all || !was_on_activity;
c->setOnActivity(activity, enable);
if (c->isOnActivity(activity) == was_on_activity && c->isOnAllActivities() == was_on_all) // No change
return;
if (c->isOnCurrentActivity()) {
if (c->wantsTabFocus() && options->focusPolicyIsReasonable() &&
!was_on_activity && // for stickyness changes
//FIXME not sure if the line above refers to the correct activity
!dont_activate)
requestFocus(c);
else
restackClientUnderActive(c);
} else
raiseClient(c);
//notifyWindowDesktopChanged( c, old_desktop );
//FIXME does tiling break?
ClientList transients_stacking_order = ensureStackingOrder(c->transients());
for (ClientList::ConstIterator it = transients_stacking_order.constBegin();
it != transients_stacking_order.constEnd();
++it)
toggleClientOnActivity(*it, activity, dont_activate);
updateClientArea();
}
int Workspace::numScreens() const
{
if (!options->xineramaEnabled)
return 1;
return Kephal::ScreenUtils::numScreens();
}
int Workspace::activeScreen() const
{
if (!options->xineramaEnabled)
return 0;
if (!options->activeMouseScreen) {
if (activeClient() != NULL && !activeClient()->isOnScreen(active_screen))
return activeClient()->screen();
return active_screen;
}
return Kephal::ScreenUtils::screenId(cursorPos());
}
/**
* 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(const QPoint& mousepos)
{
if (!options->xineramaEnabled)
return;
active_screen = Kephal::ScreenUtils::screenId(mousepos);
}
QRect Workspace::screenGeometry(int screen) const
{
if (!options->xineramaEnabled)
return Kephal::ScreenUtils::desktopGeometry();
return Kephal::ScreenUtils::screenGeometry(screen);
}
int Workspace::screenNumber(const QPoint& pos) const
{
if (!options->xineramaEnabled)
return 0;
return Kephal::ScreenUtils::screenId(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());
QRect oldgeom = c->geometry();
QRect geom = c->geometry();
// move the window to have the same relative position to the center of the screen
// (i.e. one near the middle of the right edge will also end up near the middle of the right edge)
geom.moveCenter(
QPoint(( geom.center().x() - old_sarea.center().x()) * sarea.width() / old_sarea.width() + sarea.center().x(),
( geom.center().y() - old_sarea.center().y()) * sarea.height() / old_sarea.height() + sarea.center().y()));
c->setGeometry( geom );
// If the window was inside the old screen area, explicitly make sure its inside also the new screen area.
// Calling checkWorkspacePosition() should ensure that, but when moving to a small screen the window could
// be big enough to overlap outside of the new screen area, making struts from other screens come into effect,
// which could alter the resulting geometry.
if( old_sarea.contains( oldgeom ))
c->keepInArea( sarea );
c->checkWorkspacePosition( oldgeom );
ClientList transients_stacking_order = ensureStackingOrder(c->transients());
for (ClientList::ConstIterator it = transients_stacking_order.constBegin();
it != transients_stacking_order.constEnd();
++it)
sendClientToScreen(*it, screen);
if (c->isActive())
active_screen = screen;
}
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)
break; // Found the client
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;
}
/**
* 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;
}
KDecoration* Workspace::createDecoration(KDecorationBridge* bridge)
{
if (!hasDecorationPlugin()) {
return NULL;
}
return mgr->createDecoration(bridge);
}
/**
* Returns a list of all colors (KDecorationDefines::ColorType) the current
* decoration supports
*/
QList<int> Workspace::decorationSupportedColors() const
{
QList<int> ret;
if (!hasDecorationPlugin()) {
return ret;
}
KDecorationFactory* factory = mgr->factory();
for (Ability ab = ABILITYCOLOR_FIRST;
ab < ABILITYCOLOR_END;
ab = static_cast<Ability>(ab + 1))
if (factory->supports(ab))
ret << ab;
return ret;
}
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"));
assert(action != NULL);
QString shortcut = QString("%1 (%2)").arg(action->text())
.arg(action->globalShortcut().primary().toString(QKeySequence::NativeText));
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"));
assert(action != NULL);
QString shortcut = QString("%1 (%2)").arg(action->text())
.arg(action->globalShortcut().primary().toString(QKeySequence::NativeText));
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
abort();
if (!type.isEmpty()) {
KConfig cfg("kwin_dialogsrc");
KConfigGroup cg(&cfg, "Notification Messages"); // Depends on KMessageBox
if (!cg.readEntry(type, true))
return;
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.constBegin();
it != cls.constEnd();
++it)
if ((*it)->isOnCurrentActivity() && (*it)->isOnCurrentDesktop() && (*it)->isShown(true) && !(*it)->isSpecialWindow())
showing_desktop_clients.prepend(*it); // Topmost first to reduce flicker
for (ClientList::ConstIterator it = showing_desktop_clients.constBegin();
it != showing_desktop_clients.constEnd();
++it)
(*it)->minimize();
--block_focus;
if (Client* desk = findDesktop(true, currentDesktop()))
requestFocus(desk);
} else {
for (ClientList::ConstIterator it = showing_desktop_clients.constBegin();
it != showing_desktop_clients.constEnd();
++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.constBegin();
it != showing_desktop_clients.constEnd();
++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.constBegin();
it != clients.constEnd();
++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;
static QTimer* last_cursor_timer;
QPoint Workspace::cursorPos() const
{
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;
if (last_cursor_timer == NULL) {
Workspace* ws = const_cast<Workspace*>(this);
last_cursor_timer = new QTimer(ws);
last_cursor_timer->setSingleShot(true);
connect(last_cursor_timer, SIGNAL(timeout()), ws, SLOT(resetCursorPosTime()));
}
last_cursor_timer->start(0);
}
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) {
emit mouseChanged(last_cursor_pos, last,
x11ToQtMouseButtons(last_buttons), x11ToQtMouseButtons(lastb),
x11ToQtKeyboardModifiers(last_buttons), x11ToQtKeyboardModifiers(lastb));
}
}
int Workspace::indexOfClientGroup(ClientGroup* group)
{
return clientGroups.indexOf(group);
}
void Workspace::moveItemToClientGroup(ClientGroup* oldGroup, int oldIndex,
ClientGroup* group, int index)
{
Client* c = oldGroup->clients().at(oldIndex);
group->add(c, index, true);
}
void Workspace::removeClientGroup(ClientGroup* group)
{
int index = clientGroups.indexOf(group);
if (index == -1) {
return;
}
clientGroups.removeAt(index);
for (; index < clientGroups.size(); index++) {
foreach (Client *c, clientGroups.at(index)->clients()) {
c->setClientGroup(c->clientGroup());
}
}
}
// To accept "mainwindow#1" to "mainwindow#2"
static QByteArray truncatedWindowRole(QByteArray a)
{
int i = a.indexOf('#');
if (i == -1)
return a;
QByteArray b(a);
b.truncate(i);
return b;
}
Client* Workspace::findSimilarClient(Client* c)
{
// Attempt to find a similar window to the input. If we find multiple possibilities that are in
// different groups then ignore all of them. This function is for automatic window grouping.
Client* found = NULL;
// See if the window has a group ID to match with
QString wGId = c->rules()->checkAutogroupById(QString());
if (!wGId.isEmpty()) {
foreach (Client * cl, clients) {
if (wGId == cl->rules()->checkAutogroupById(QString())) {
if (found && found->clientGroup() != cl->clientGroup()) { // We've found two, ignore both
found = NULL;
break; // Continue to the next test
}
found = cl;
}
}
if (found)
return found;
}
// If this is a transient window don't take a guess
if (c->isTransient())
return NULL;
// If we don't have an ID take a guess
if (c->rules()->checkAutogrouping(options->autogroupSimilarWindows)) {
QByteArray wRole = truncatedWindowRole(c->windowRole());
foreach (Client * cl, clients) {
QByteArray wRoleB = truncatedWindowRole(cl->windowRole());
if (c->resourceClass() == cl->resourceClass() && // Same resource class
wRole == wRoleB && // Same window role
cl->isNormalWindow()) { // Normal window TODO: Can modal windows be "normal"?
if (found && found->clientGroup() != cl->clientGroup()) // We've found two, ignore both
return NULL;
found = cl;
}
}
}
return found;
}
Outline* Workspace::outline()
{
return m_outline;
}
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdge* Workspace::screenEdge()
{
return &m_screenEdge;
}
#endif
bool Workspace::hasTabBox() const
{
#ifdef KWIN_BUILD_TABBOX
return (tab_box != NULL);
#else
return false;
#endif
}
#ifdef KWIN_BUILD_TABBOX
TabBox::TabBox* Workspace::tabBox() const
{
return tab_box;
}
#endif
#ifdef KWIN_BUILD_TILING
Tiling* Workspace::tiling()
{
return m_tiling;
}
#endif
/*
* Called from D-BUS
*/
void Workspace::toggleTiling()
{
#ifdef KWIN_BUILD_TILING
if (m_tiling) {
m_tiling->slotToggleTiling();
}
#endif
}
/*
* Called from D-BUS
*/
void Workspace::nextTileLayout()
{
#ifdef KWIN_BUILD_TILING
if (m_tiling) {
m_tiling->slotNextTileLayout();
}
#endif
}
/*
* Called from D-BUS
*/
void Workspace::previousTileLayout()
{
#ifdef KWIN_BUILD_TILING
if (m_tiling) {
m_tiling->slotPreviousTileLayout();
}
#endif
}
void Workspace::dumpTiles() const {
#ifdef KWIN_BUILD_TILING
if (m_tiling) {
m_tiling->dumpTiles();
}
#endif
}
} // namespace
#include "workspace.moc"
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