/********************************************************************
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/>.
*********************************************************************/
// own
#include "workspace.h"
// kwin libs
#include <kdecorationfactory.h>
#include <kwinglplatform.h>
// kwin
#ifdef KWIN_BUILD_ACTIVITIES
#include "activities.h"
#endif
#ifdef KWIN_BUILD_KAPPMENU
#include "appmenu.h"
#endif
#include "atoms.h"
#include "client.h"
#include "composite.h"
#include "cursor.h"
#include "dbusinterface.h"
#include "decorations.h"
#include "deleted.h"
#include "effects.h"
#include "focuschain.h"
#include "group.h"
#include "killwindow.h"
#include "netinfo.h"
#include "outline.h"
#include "placement.h"
#include "rules.h"
#ifdef KWIN_BUILD_SCREENEDGES
#include "screenedge.h"
#endif
#include "screens.h"
#ifdef KWIN_BUILD_SCRIPTING
#include "scripting/scripting.h"
#endif
#ifdef KWIN_BUILD_TABBOX
#include "tabbox.h"
#endif
#include "unmanaged.h"
#include "useractions.h"
#include "virtualdesktops.h"
#include "xcbutils.h"
// KDE
#include <kdeversion.h>
#include <KDE/KActionCollection>
#include <KDE/KCmdLineArgs>
#include <KDE/KConfig>
#include <KDE/KConfigGroup>
#include <KDE/KGlobal>
#include <KDE/KGlobalSettings>
#include <KDE/KStartupInfo>
#include <KDE/KWindowInfo>
#include <KDE/KWindowSystem>
// Qt
#include <QtConcurrentRun>
namespace KWin
{
extern int screen_number;
extern bool is_multihead;
ColorMapper::ColorMapper(QObject *parent)
: QObject(parent)
, m_default(defaultScreen()->default_colormap)
, m_installed(defaultScreen()->default_colormap)
{
}
ColorMapper::~ColorMapper()
{
}
void ColorMapper::update()
{
xcb_colormap_t cmap = m_default;
if (Client *c = Workspace::self()->activeClient()) {
if (c->colormap() != XCB_COLORMAP_NONE) {
cmap = c->colormap();
}
}
if (cmap != m_installed) {
xcb_install_colormap(connection(), cmap);
m_installed = cmap;
}
}
Workspace* Workspace::_self = 0;
Workspace::Workspace(bool restore)
: QObject(0)
, m_compositor(NULL)
// Unsorted
, active_popup(NULL)
, active_popup_client(NULL)
, active_client(0)
, last_active_client(0)
, most_recently_raised(0)
, movingClient(0)
, pending_take_activity(NULL)
, 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)
, m_userActionsMenu(new UserActionsMenu(this))
, keys(0)
, client_keys(NULL)
, disable_shortcuts_keys(NULL)
, client_keys_dialog(NULL)
, client_keys_client(NULL)
, global_shortcuts_disabled_for_client(false)
, workspaceInit(true)
, startup(0)
, set_active_client_recursion(0)
, block_stacking_updates(0)
, forced_global_mouse_grab(false)
{
// If KWin was already running it saved its configuration after loosing the selection -> Reread
QFuture<void> reparseConfigFuture = QtConcurrent::run(options, &Options::reparseConfiguration);
#ifdef KWIN_BUILD_KAPPMENU
ApplicationMenu::create(this);
#endif
_self = this;
// first initialize the extensions
Extensions::init();
Xcb::Extensions::self();
// start the cursor support
Cursor::create(this);
#ifdef KWIN_BUILD_ACTIVITIES
Activities *activities = Activities::create(this);
connect(activities, SIGNAL(currentChanged(QString)), SLOT(updateCurrentActivity(QString)));
#endif
// PluginMgr needs access to the config file, so we need to wait for it for finishing
reparseConfigFuture.waitForFinished();
// get screen support
Screens *screens = Screens::create(this);
connect(screens, SIGNAL(changed()), SLOT(desktopResized()));
options->loadConfig();
options->loadCompositingConfig(false);
DecorationPlugin::create(this);
ColorMapper *colormaps = new ColorMapper(this);
connect(this, SIGNAL(clientActivated(KWin::Client*)), colormaps, SLOT(update()));
updateXTime(); // Needed for proper initialization of user_time in Client ctor
delayFocusTimer = 0;
if (restore)
loadSessionInfo();
RuleBook::create(this)->load();
// 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
);
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdges::create(this);
#endif
// VirtualDesktopManager needs to be created prior to init shortcuts
// and prior to TabBox, due to TabBox connecting to signals
// actual initialization happens in init()
VirtualDesktopManager::create(this);
#ifdef KWIN_BUILD_TABBOX
// need to create the tabbox before compositing scene is setup
TabBox::TabBox::create(this);
#endif
m_compositor = Compositor::create(this);
connect(this, SIGNAL(currentDesktopChanged(int,KWin::Client*)), m_compositor, SLOT(addRepaintFull()));
connect(m_compositor, SIGNAL(compositingToggled(bool)), decorationPlugin(), SLOT(resetCompositing()));
new DBusInterface(this);
// Compatibility
long data = 1;
XChangeProperty(
display(),
rootWindow(),
atoms->kwin_running,
atoms->kwin_running,
32,
PropModeAppend,
(unsigned char*)(&data),
1
);
client_keys = new KActionCollection(this);
Outline::create(this);
initShortcuts();
init();
}
void Workspace::init()
{
Screens *screens = Screens::self();
screens->setConfig(KGlobal::config());
screens->reconfigure();
connect(options, SIGNAL(configChanged()), screens, SLOT(reconfigure()));
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdges *screenEdges = ScreenEdges::self();
screenEdges->setConfig(KGlobal::config());
screenEdges->init();
connect(options, SIGNAL(configChanged()), screenEdges, SLOT(reconfigure()));
connect(VirtualDesktopManager::self(), SIGNAL(layoutChanged(int,int)), screenEdges, SLOT(updateLayout()));
connect(this, SIGNAL(clientActivated(KWin::Client*)), screenEdges, SIGNAL(checkBlocking()));
#endif
FocusChain *focusChain = FocusChain::create(this);
connect(this, SIGNAL(clientRemoved(KWin::Client*)), focusChain, SLOT(remove(KWin::Client*)));
connect(this, SIGNAL(clientActivated(KWin::Client*)), focusChain, SLOT(setActiveClient(KWin::Client*)));
connect(VirtualDesktopManager::self(), SIGNAL(countChanged(uint,uint)), focusChain, SLOT(resize(uint,uint)));
connect(VirtualDesktopManager::self(), SIGNAL(currentChanged(uint,uint)), focusChain, SLOT(setCurrentDesktop(uint,uint)));
connect(options, SIGNAL(separateScreenFocusChanged(bool)), focusChain, SLOT(setSeparateScreenFocus(bool)));
focusChain->setSeparateScreenFocus(options->isSeparateScreenFocus());
const uint32_t nullFocusValues[] = {true};
m_nullFocus.reset(new Xcb::Window(QRect(-1, -1, 1, 1), XCB_WINDOW_CLASS_INPUT_ONLY, XCB_CW_OVERRIDE_REDIRECT, nullFocusValues));
m_nullFocus->map();
RootInfo *rootInfo = RootInfo::create();
// create VirtualDesktopManager and perform dependency injection
VirtualDesktopManager *vds = VirtualDesktopManager::self();
connect(vds, SIGNAL(desktopsRemoved(uint)), SLOT(moveClientsFromRemovedDesktops()));
connect(vds, SIGNAL(countChanged(uint,uint)), SLOT(slotDesktopCountChanged(uint,uint)));
connect(vds, SIGNAL(currentChanged(uint,uint)), SLOT(slotCurrentDesktopChanged(uint,uint)));
vds->setNavigationWrappingAround(options->isRollOverDesktops());
connect(options, SIGNAL(rollOverDesktopsChanged(bool)), vds, SLOT(setNavigationWrappingAround(bool)));
vds->setRootInfo(rootInfo);
vds->setConfig(KGlobal::config());
// Now we know how many desktops we'll have, thus we initialize the positioning object
Placement::create(this);
// positioning object needs to be created before the virtual desktops are loaded.
vds->load();
vds->updateLayout();
// 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 (!VirtualDesktopManager::self()->setCurrent(initial_desktop))
VirtualDesktopManager::self()->setCurrent(1);
#ifdef KWIN_BUILD_ACTIVITIES
Activities::self()->update(false, true);
#endif
reconfigureTimer.setSingleShot(true);
updateToolWindowsTimer.setSingleShot(true);
connect(&reconfigureTimer, SIGNAL(timeout()), this, SLOT(slotReconfigure()));
connect(&updateToolWindowsTimer, SIGNAL(timeout()), this, SLOT(slotUpdateToolWindows()));
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);
bool fixoffset = KCmdLineArgs::parsedArgs()->getOption("crashes").toInt() > 0;
Xcb::Tree tree(rootWindow());
xcb_window_t *wins = xcb_query_tree_children(tree.data());
QVector<Xcb::WindowAttributes> windowAttributes(tree->children_len);
QVector<Xcb::WindowGeometry> windowGeometries(tree->children_len);
// Request the attributes and geometries of all toplevel windows
for (int i = 0; i < tree->children_len; i++) {
windowAttributes[i] = Xcb::WindowAttributes(wins[i]);
windowGeometries[i] = Xcb::WindowGeometry(wins[i]);
}
// Get the replies
for (int i = 0; i < tree->children_len; i++) {
Xcb::WindowAttributes attr(windowAttributes.at(i));
if (attr.isNull()) {
continue;
}
if (attr->override_redirect) {
if (attr->map_state == XCB_MAP_STATE_VIEWABLE &&
attr->_class != XCB_WINDOW_CLASS_INPUT_ONLY)
// ### This will request the attributes again
createUnmanaged(wins[i]);
} else if (attr->map_state != XCB_MAP_STATE_UNMAPPED) {
if (fixoffset) {
fixPositionAfterCrash(wins[i], windowGeometries[i].data());
}
// ### This will request the attributes again
createClient(wins[i], true);
}
}
// 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[VirtualDesktopManager::self()->count()];
rootInfo->setDesktopViewport(VirtualDesktopManager::self()->count(), *viewports);
delete[] viewports;
QRect geom;
for (int i = 0; i < screens->count(); i++) {
geom |= screens->geometry(i);
}
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(VirtualDesktopManager::self()->current(), -1);
if (new_active_client == NULL && !desktops.isEmpty())
new_active_client = findDesktop(true, VirtualDesktopManager::self()->current());
}
if (new_active_client != NULL)
activateClient(new_active_client);
#ifdef KWIN_BUILD_SCRIPTING
Scripting::create(this);
#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;
// broadcast that Workspace is ready, but first process all events.
QMetaObject::invokeMethod(this, "workspaceInitialized", Qt::QueuedConnection);
// TODO: ungrabXServer()
}
Workspace::~Workspace()
{
delete m_compositor;
m_compositor = NULL;
blockStackingUpdates(true);
// TODO: grabXServer();
// Use stacking_order, so that kwin --replace keeps stacking order
for (ToplevelList::iterator it = stacking_order.begin(), end = stacking_order.end(); it != end; ++it) {
Client *c = qobject_cast<Client*>(*it);
if (!c) {
continue;
}
// Only release the window
c->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(c);
desktops.removeAll(c);
}
for (UnmanagedList::iterator it = unmanaged.begin(), end = unmanaged.end(); it != end; ++it)
(*it)->release(true);
XDeleteProperty(display(), rootWindow(), atoms->kwin_running);
delete RuleBook::self();
KGlobal::config()->sync();
RootInfo::destroy();
delete startup;
delete Placement::self();
delete client_keys_dialog;
foreach (SessionInfo * s, session)
delete s;
// TODO: ungrabXServer();
Xcb::Extensions::destroy();
_self = 0;
}
Client* Workspace::createClient(xcb_window_t w, bool is_mapped)
{
StackingUpdatesBlocker blocker(this);
Client* c = new Client();
connect(c, SIGNAL(needsRepaint()), m_compositor, SLOT(scheduleRepaint()));
connect(c, SIGNAL(activeChanged()), m_compositor, SLOT(checkUnredirect()));
connect(c, SIGNAL(fullScreenChanged()), m_compositor, SLOT(checkUnredirect()));
connect(c, SIGNAL(geometryChanged()), m_compositor, SLOT(checkUnredirect()));
connect(c, SIGNAL(geometryShapeChanged(KWin::Toplevel*,QRect)), m_compositor, SLOT(checkUnredirect()));
connect(c, SIGNAL(blockingCompositingChanged(KWin::Client*)), m_compositor, SLOT(updateCompositeBlocking(KWin::Client*)));
#ifdef KWIN_BUILD_SCREENEDGES
connect(c, SIGNAL(clientFullScreenSet(KWin::Client*,bool,bool)), ScreenEdges::self(), SIGNAL(checkBlocking()));
#endif
if (!c->manage(w, is_mapped)) {
Client::deleteClient(c);
return NULL;
}
addClient(c);
return c;
}
Unmanaged* Workspace::createUnmanaged(xcb_window_t w)
{
if (m_compositor && m_compositor->checkForOverlayWindow(w))
return NULL;
Unmanaged* c = new Unmanaged();
if (!c->track(w)) {
Unmanaged::deleteUnmanaged(c);
return NULL;
}
connect(c, SIGNAL(needsRepaint()), m_compositor, SLOT(scheduleRepaint()));
addUnmanaged(c);
emit unmanagedAdded(c);
return c;
}
void Workspace::addClient(Client* c)
{
Group* grp = findGroup(c->window());
KWindowInfo info = KWindowSystem::windowInfo(c->window(), -1U, NET::WM2WindowClass);
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 {
FocusChain::self()->update(c, FocusChain::Update);
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, VirtualDesktopManager::self()->current()));
}
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::TabBox::self()->isDisplayed())
TabBox::TabBox::self()->reset(true);
#endif
#ifdef KWIN_BUILD_KAPPMENU
if (ApplicationMenu::self()->hasMenu(c->window()))
c->setAppMenuAvailable();
#endif
}
void Workspace::addUnmanaged(Unmanaged* c)
{
unmanaged.append(c);
x_stacking_dirty = true;
}
/**
* Destroys the client \a c
*/
void Workspace::removeClient(Client* c)
{
emit clientRemoved(c);
if (c == active_popup_client)
closeActivePopup();
if (m_userActionsMenu->isMenuClient(c)) {
m_userActionsMenu->close();
}
c->untab(QRect(), true);
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
}
#ifdef KWIN_BUILD_TABBOX
TabBox::TabBox *tabBox = TabBox::TabBox::self();
if (tabBox->isDisplayed() && tabBox->currentClient() == c)
tabBox->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);
x_stacking_dirty = true;
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);
#ifdef KWIN_BUILD_TABBOX
if (tabBox->isDisplayed())
tabBox->reset(true);
#endif
updateClientArea();
}
void Workspace::removeUnmanaged(Unmanaged* c)
{
assert(unmanaged.contains(c));
unmanaged.removeAll(c);
x_stacking_dirty = true;
}
void Workspace::addDeleted(Deleted* c, Toplevel *orig)
{
assert(!deleted.contains(c));
deleted.append(c);
const int unconstraintedIndex = unconstrained_stacking_order.indexOf(orig);
if (unconstraintedIndex != -1) {
unconstrained_stacking_order.replace(unconstraintedIndex, c);
} else {
unconstrained_stacking_order.append(c);
}
const int index = stacking_order.indexOf(orig);
if (index != -1) {
stacking_order.replace(index, c);
} else {
stacking_order.append(c);
}
x_stacking_dirty = true;
connect(c, SIGNAL(needsRepaint()), m_compositor, SLOT(scheduleRepaint()));
}
void Workspace::removeDeleted(Deleted* c)
{
assert(deleted.contains(c));
emit deletedRemoved(c);
deleted.removeAll(c);
unconstrained_stacking_order.removeAll(c);
stacking_order.removeAll(c);
x_stacking_dirty = true;
if (c->wasClient() && m_compositor) {
m_compositor->updateCompositeBlocking();
}
}
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->isHideUtilityWindowsForInactive()) {
for (ClientList::ConstIterator it = clients.constBegin(); it != clients.constEnd(); ++it)
if (!(*it)->tabGroup() || (*it)->tabGroup()->current() == *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 (ToplevelList::ConstIterator it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it) {
Client *c = qobject_cast<Client*>(*it);
if (!c) {
continue;
}
if (c->isUtility() || c->isMenu() || c->isToolbar()) {
bool show = true;
if (!c->isTransient()) {
if (c->group()->members().count() == 1) // Has its own group, keep always visible
show = true;
else if (client != NULL && c->group() == client->group())
show = true;
else
show = false;
} else {
if (group != NULL && c->group() == group)
show = true;
else if (client != NULL && client->hasTransient(c, true))
show = true;
else
show = false;
}
if (!show && also_hide) {
const ClientList mainclients = c->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 (c->isSpecialWindow())
show = true;
}
if (!show)
to_hide.append(c);
}
if (show)
to_show.append(c);
}
} // 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);
}
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();
}
if (m_compositor) {
return m_compositor->isActive();
}
return false;
}
void Workspace::slotSettingsChanged(int category)
{
kDebug(1212) << "Workspace::slotSettingsChanged()";
if (category == KGlobalSettings::SETTINGS_SHORTCUTS)
m_userActionsMenu->discard();
}
/**
* Reread settings
*/
KWIN_PROCEDURE(CheckBorderSizesProcedure, Client, cl->checkBorderSizes(true));
void Workspace::slotReconfigure()
{
kDebug(1212) << "Workspace::slotReconfigure()";
reconfigureTimer.stop();
bool borderlessMaximizedWindows = options->borderlessMaximizedWindows();
KGlobal::config()->reparseConfiguration();
unsigned long changed = options->updateSettings();
emit configChanged();
m_userActionsMenu->discard();
updateToolWindows(true);
DecorationPlugin *deco = DecorationPlugin::self();
if (!deco->isDisabled() && deco->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 (!decorationPlugin()->supportsTabbing()) {
foreach (Client * c, clients)
c->untab();
}
deco->destroyPreviousPlugin();
} else {
forEachClient(CheckBorderSizesProcedure());
foreach (Client * c, clients)
c->triggerDecorationRepaint();
}
RuleBook::self()->load();
for (ClientList::Iterator it = clients.begin();
it != clients.end();
++it) {
(*it)->setupWindowRules(true);
(*it)->applyWindowRules();
RuleBook::self()->discardUsed(*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();
}
}
if (!deco->isDisabled()) {
rootInfo()->setSupported(NET::WM2FrameOverlap, deco->factory()->supports(AbilityExtendIntoClientArea));
} else {
rootInfo()->setSupported(NET::WM2FrameOverlap, false);
}
}
/**
* 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 (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);
}
}
void Workspace::slotCurrentDesktopChanged(uint oldDesktop, uint newDesktop)
{
closeActivePopup();
++block_focus;
StackingUpdatesBlocker blocker(this);
updateClientVisibilityOnDesktopChange(oldDesktop, newDesktop);
// Restore the focus on this desktop
--block_focus;
activateClientOnNewDesktop(newDesktop);
emit currentDesktopChanged(oldDesktop, movingClient);
}
void Workspace::updateClientVisibilityOnDesktopChange(uint oldDesktop, uint newDesktop)
{
++block_showing_desktop;
ObscuringWindows obs_wins;
for (ToplevelList::ConstIterator it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it) {
Client *c = qobject_cast<Client*>(*it);
if (!c) {
continue;
}
if (!c->isOnDesktop(newDesktop) && c != movingClient && c->isOnCurrentActivity()) {
if (c->isShown(true) && c->isOnDesktop(oldDesktop) && !compositing())
obs_wins.create(c);
(c)->updateVisibility();
}
}
// Now propagate the change, after hiding, before showing
rootInfo()->setCurrentDesktop(VirtualDesktopManager::self()->current());
if (movingClient && !movingClient->isOnDesktop(newDesktop)) {
movingClient->setDesktop(newDesktop);
}
for (int i = stacking_order.size() - 1; i >= 0 ; --i) {
Client *c = qobject_cast<Client*>(stacking_order.at(i));
if (!c) {
continue;
}
if (c->isOnDesktop(newDesktop) && c->isOnCurrentActivity())
c->updateVisibility();
}
--block_showing_desktop;
if (showingDesktop()) // Do this only after desktop change to avoid flicker
resetShowingDesktop(false);
}
void Workspace::activateClientOnNewDesktop(uint desktop)
{
Client* c = NULL;
if (options->focusPolicyIsReasonable()) {
c = findClientToActivateOnDesktop(desktop);
}
// 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, desktop);
if (c != active_client)
setActiveClient(NULL);
if (c)
requestFocus(c);
else if (!desktops.isEmpty())
requestFocus(findDesktop(true, desktop));
else
focusToNull();
}
Client *Workspace::findClientToActivateOnDesktop(uint desktop)
{
if (movingClient != NULL && active_client == movingClient &&
FocusChain::self()->contains(active_client, desktop) &&
active_client->isShown(true) && active_client->isOnCurrentDesktop()) {
// A requestFocus call will fail, as the client is already active
return active_client;
}
// from actiavtion.cpp
if (options->isNextFocusPrefersMouse()) {
ToplevelList::const_iterator it = stackingOrder().constEnd();
while (it != stackingOrder().constBegin()) {
Client *client = qobject_cast<Client*>(*(--it));
if (!client) {
continue;
}
if (!(client->isShown(false) && client->isOnDesktop(desktop) &&
client->isOnCurrentActivity() && client->isOnActiveScreen()))
continue;
if (client->geometry().contains(Cursor::pos())) {
if (!client->isDesktop())
return client;
break; // unconditional break - we do not pass the focus to some client below an unusable one
}
}
}
return FocusChain::self()->getForActivation(desktop);
}
/**
* 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)
{
#ifdef KWIN_BUILD_ACTIVITIES
//closeActivePopup();
++block_focus;
// TODO: Q_ASSERT( block_stacking_updates == 0 ); // Make sure stacking_order is up to date
StackingUpdatesBlocker blocker(this);
++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;
const QString &old_activity = Activities::self()->previous();
for (ToplevelList::ConstIterator it = stacking_order.constBegin();
it != stacking_order.constEnd();
++it) {
Client *c = qobject_cast<Client*>(*it);
if (!c) {
continue;
}
if (!c->isOnActivity(new_activity) && c != movingClient && c->isOnCurrentDesktop()) {
if (c->isShown(true) && c->isOnActivity(old_activity) && !compositing())
obs_wins.create(c);
c->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 ))
{
movingClient->setDesktop( new_desktop );
*/
for (int i = stacking_order.size() - 1; i >= 0 ; --i) {
Client *c = qobject_cast<Client*>(stacking_order.at(i));
if (!c) {
continue;
}
if (c->isOnActivity(new_activity))
c->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
c = FocusChain::self()->getForActivation(VirtualDesktopManager::self()->current());
}
// 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, VirtualDesktopManager::self()->current());
if (c != active_client)
setActiveClient(NULL);
if (c)
requestFocus(c);
else if (!desktops.isEmpty())
requestFocus(findDesktop(true, VirtualDesktopManager::self()->current()));
else
focusToNull();
// 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() && m_compositor)
m_compositor->addRepaintFull();
#else
Q_UNUSED(new_activity)
#endif
}
void Workspace::moveClientsFromRemovedDesktops()
{
for (ClientList::ConstIterator it = clients.constBegin(); it != clients.constEnd(); ++it) {
if (!(*it)->isOnAllDesktops() && (*it)->desktop() > static_cast<int>(VirtualDesktopManager::self()->count()))
sendClientToDesktop(*it, VirtualDesktopManager::self()->count(), true);
}
}
void Workspace::slotDesktopCountChanged(uint previousCount, uint newCount)
{
Q_UNUSED(previousCount)
Placement::self()->reinitCascading(0);
resetClientAreas(newCount);
}
void Workspace::resetClientAreas(uint desktopCount)
{
// Make it +1, so that it can be accessed as [1..numberofdesktops]
workarea.clear();
workarea.resize(desktopCount + 1);
restrictedmovearea.clear();
restrictedmovearea.resize(desktopCount + 1);
screenarea.clear();
updateClientArea(true);
}
/**
* 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 > static_cast<int>(VirtualDesktopManager::self()->count()))
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(VirtualDesktopManager::self()->current())) {
if (c->wantsTabFocus() && options->focusPolicyIsReasonable() &&
!was_on_desktop && // for stickyness changes
!dont_activate)
requestFocus(c);
else
restackClientUnderActive(c);
} else
raiseClient(c);
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();
}
/**
* checks whether the X Window with the input focus is on our X11 screen
* if the window cannot be determined or inspected, resturn depends on whether there's actually
* more than one screen
*
* this is NOT in any way related to XRandR multiscreen
*
*/
extern bool is_multihead; // main.cpp
bool Workspace::isOnCurrentHead()
{
if (!is_multihead) {
return true;
}
Xcb::CurrentInput currentInput;
if (currentInput.window() == XCB_WINDOW_NONE) {
return !is_multihead;
}
Xcb::WindowGeometry geometry(currentInput.window());
if (geometry.isNull()) { // should not happen
return !is_multihead;
}
return rootWindow() == geometry->root;
}
void Workspace::sendClientToScreen(Client* c, int screen)
{
screen = c->rules()->checkScreen(screen);
if (c->isActive()) {
screens()->setCurrent(screen);
// might impact the layer of a fullscreen window
foreach (Client *cc, clientList()) {
if (cc->isFullScreen() && cc->screen() == screen) {
updateClientLayer(cc);
}
}
}
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);
}
void Workspace::sendPingToWindow(xcb_window_t window, xcb_timestamp_t timestamp)
{
rootInfo()->sendPing(window, timestamp);
}
void Workspace::sendTakeActivity(KWin::Client *c, xcb_timestamp_t timestamp, long int 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;
}
bool Workspace::checkStartupNotification(xcb_window_t 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()
{
m_nullFocus->focus();
}
void Workspace::setShowingDesktop(bool showing)
{
rootInfo()->setShowingDesktop(showing);
showing_desktop = showing;
++block_showing_desktop;
if (showing_desktop) {
showing_desktop_clients.clear();
++block_focus;
ToplevelList cls = stackingOrder();
// Find them first, then minimize, otherwise transients may get minimized with the window
// they're transient for
for (ToplevelList::ConstIterator it = cls.constBegin();
it != cls.constEnd();
++it) {
Client *c = qobject_cast<Client*>(*it);
if (!c) {
continue;
}
if (c->isOnCurrentActivity() && c->isOnCurrentDesktop() && c->isShown(true) && !c->isSpecialWindow())
showing_desktop_clients.prepend(c); // 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, VirtualDesktopManager::self()->current()))
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;
}
static bool pending_dfc = false;
void Workspace::disableGlobalShortcutsForClient(bool disable)
{
if (global_shortcuts_disabled_for_client == disable)
return;
if (disable)
pending_dfc = true;
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_for_client = false;
}
// Update also Alt+LMB actions etc.
for (ClientList::ConstIterator it = clients.constBegin();
it != clients.constEnd();
++it)
(*it)->updateMouseGrab();
}
QString Workspace::supportInformation() const
{
QString support;
support.append(ki18nc("Introductory text shown in the support information.",
"KWin Support Information:\n"
"The following information should be used when requesting support on e.g. http://forum.kde.org.\n"
"It provides information about the currently running instance, which options are used,\n"
"what OpenGL driver and which effects are running.\n"
"Please post the information provided underneath this introductory text to a paste bin service\n"
"like http://paste.kde.org instead of pasting into support threads.\n").toString());
support.append("\n==========================\n\n");
// all following strings are intended for support. They need to be pasted to e.g forums.kde.org
// it is expected that the support will happen in English language or that the people providing
// help understand English. Because of that all texts are not translated
support.append("Version\n");
support.append("=======\n");
support.append("KWin version: ");
support.append(KWIN_VERSION_STRING);
support.append('\n');
support.append("KDE SC version (runtime): ");
support.append(KDE::versionString());
support.append('\n');
support.append("KDE SC version (compile): ");
support.append(KDE_VERSION_STRING);
support.append('\n');
support.append("Qt Version: ");
support.append(qVersion());
support.append("\n\n");
support.append("Options\n");
support.append("=======\n");
const QMetaObject *metaOptions = options->metaObject();
for (int i=0; i<metaOptions->propertyCount(); ++i) {
const QMetaProperty property = metaOptions->property(i);
if (QLatin1String(property.name()) == "objectName") {
continue;
}
support.append(QLatin1String(property.name()) % ": " % options->property(property.name()).toString() % '\n');
}
#ifdef KWIN_BUILD_SCREENEDGES
support.append("\nScreen Edges\n");
support.append( "============\n");
const QMetaObject *metaScreenEdges = ScreenEdges::self()->metaObject();
for (int i=0; i<metaScreenEdges->propertyCount(); ++i) {
const QMetaProperty property = metaScreenEdges->property(i);
if (QLatin1String(property.name()) == "objectName") {
continue;
}
support.append(QLatin1String(property.name()) % ": " % ScreenEdges::self()->property(property.name()).toString() % '\n');
}
#endif
support.append("\nScreens\n");
support.append( "=======\n");
support.append("Multi-Head: ");
if (is_multihead) {
support.append("yes\n");
support.append(QString("Head: %1\n").arg(screen_number));
} else {
support.append("no\n");
}
support.append(QString("Number of Screens: %1\n").arg(screens()->count()));
for (int i=0; i<screens()->count(); ++i) {
const QRect geo = screens()->geometry(i);
support.append(QString("Screen %1 Geometry: %2,%3,%4x%5\n")
.arg(i)
.arg(geo.x())
.arg(geo.y())
.arg(geo.width())
.arg(geo.height()));
}
support.append("\nDecoration\n");
support.append( "==========\n");
support.append(decorationPlugin()->supportInformation());
support.append("\nCompositing\n");
support.append( "===========\n");
support.append("Qt Graphics System: ");
if (Extensions::nonNativePixmaps()) {
support.append("raster\n");
} else {
support.append("native\n");
}
if (effects) {
support.append("Compositing is active\n");
switch (effects->compositingType()) {
case OpenGL1Compositing:
case OpenGL2Compositing:
case OpenGLCompositing: {
#ifdef KWIN_HAVE_OPENGLES
support.append("Compositing Type: OpenGL ES 2.0\n");
#else
support.append("Compositing Type: OpenGL\n");
#endif
GLPlatform *platform = GLPlatform::instance();
support.append("OpenGL vendor string: " % platform->glVendorString() % '\n');
support.append("OpenGL renderer string: " % platform->glRendererString() % '\n');
support.append("OpenGL version string: " % platform->glVersionString() % '\n');
if (platform->supports(LimitedGLSL) || platform->supports(GLSL))
support.append("OpenGL shading language version string: " % platform->glShadingLanguageVersionString() % '\n');
support.append("Driver: " % GLPlatform::driverToString(platform->driver()) % '\n');
if (!platform->isMesaDriver())
support.append("Driver version: " % GLPlatform::versionToString(platform->driverVersion()) % '\n');
support.append("GPU class: " % GLPlatform::chipClassToString(platform->chipClass()) % '\n');
support.append("OpenGL version: " % GLPlatform::versionToString(platform->glVersion()) % '\n');
if (platform->supports(LimitedGLSL) || platform->supports(GLSL))
support.append("GLSL version: " % GLPlatform::versionToString(platform->glslVersion()) % '\n');
if (platform->isMesaDriver())
support.append("Mesa version: " % GLPlatform::versionToString(platform->mesaVersion()) % '\n');
if (platform->serverVersion() > 0)
support.append("X server version: " % GLPlatform::versionToString(platform->serverVersion()) % '\n');
if (platform->kernelVersion() > 0)
support.append("Linux kernel version: " % GLPlatform::versionToString(platform->kernelVersion()) % '\n');
support.append("Direct rendering: ");
if (platform->isDirectRendering()) {
support.append("yes\n");
} else {
support.append("no\n");
}
support.append("Requires strict binding: ");
if (!platform->isLooseBinding()) {
support.append("yes\n");
} else {
support.append("no\n");
}
support.append("GLSL shaders: ");
if (platform->supports(GLSL)) {
if (platform->supports(LimitedGLSL)) {
support.append(" limited\n");
} else {
support.append(" yes\n");
}
} else {
support.append(" no\n");
}
support.append("Texture NPOT support: ");
if (platform->supports(TextureNPOT)) {
if (platform->supports(LimitedNPOT)) {
support.append(" limited\n");
} else {
support.append(" yes\n");
}
} else {
support.append(" no\n");
}
support.append("Virtual Machine: ");
if (platform->isVirtualMachine()) {
support.append(" yes\n");
} else {
support.append(" no\n");
}
if (effects->compositingType() == OpenGL2Compositing) {
support.append("OpenGL 2 Shaders are used\n");
} else {
support.append("OpenGL 2 Shaders are not used. Legacy OpenGL 1.x code path is used.\n");
}
break;
}
case XRenderCompositing:
support.append("Compositing Type: XRender\n");
break;
case NoCompositing:
default:
support.append("Something is really broken, neither OpenGL nor XRender is used");
}
support.append("\nLoaded Effects:\n");
support.append( "---------------\n");
foreach (const QString &effect, static_cast<EffectsHandlerImpl*>(effects)->loadedEffects()) {
support.append(effect % '\n');
}
support.append("\nCurrently Active Effects:\n");
support.append( "-------------------------\n");
foreach (const QString &effect, static_cast<EffectsHandlerImpl*>(effects)->activeEffects()) {
support.append(effect % '\n');
}
support.append("\nEffect Settings:\n");
support.append( "----------------\n");
foreach (const QString &effect, static_cast<EffectsHandlerImpl*>(effects)->loadedEffects()) {
support.append(static_cast<EffectsHandlerImpl*>(effects)->supportInformation(effect));
support.append('\n');
}
} else {
support.append("Compositing is not active\n");
}
return support;
}
void Workspace::slotToggleCompositing()
{
if (m_compositor) {
m_compositor->slotToggleCompositing();
}
}
} // namespace
#include "workspace.moc"