plasma-framework/applet.cpp

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/*
* Copyright 2005 by Aaron Seigo <aseigo@kde.org>
* Copyright 2007 by Riccardo Iaconelli <riccardo@kde.org>
* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
* Copyright (c) 2009 Chani Armitage <chani@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, 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 Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "applet.h"
#include "private/applet_p.h"
#include "config-plasma.h"
#include <plasma/animations/animation.h>
#include <cmath>
#include <limits>
#include <QApplication>
#include <QEvent>
#include <QFile>
#include <QGraphicsGridLayout>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsView>
#include <QHostInfo>
#include <QLabel>
#include <QList>
#include <QGraphicsLinearLayout>
#include <QPainter>
#include <QRegExp>
#include <QSize>
#include <QStyleOptionGraphicsItem>
#include <QTextDocument>
#include <QUiLoader>
#include <QVBoxLayout>
#include <QWidget>
#include <kaction.h>
#include <kactioncollection.h>
#include <kcoreauthorized.h>
#include <kcolorscheme.h>
#include <kdialog.h>
#include <kdesktopfile.h>
#include <kiconloader.h>
#include <kkeysequencewidget.h>
#include <kplugininfo.h>
#include <kservice.h>
#include <kservicetypetrader.h>
#include <kshortcut.h>
#include <kwindowsystem.h>
#include <kpushbutton.h>
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#if !PLASMA_NO_KUTILS
#include <kcmoduleinfo.h>
#include <kcmoduleproxy.h>
2011-11-03 12:15:52 +01:00
#else
#include <kcmodule.h>
#endif
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#if !PLASMA_NO_SOLID
#include <solid/powermanagement.h>
#endif
#include "abstracttoolbox.h"
#include "authorizationrule.h"
#include "configloader.h"
#include "containment.h"
#include "corona.h"
#include "dialog.h"
#include "package.h"
#include "plasma.h"
#include "scripting/appletscript.h"
#include "svg.h"
#include "framesvg.h"
#include "popupapplet.h"
#include "private/applethandle_p.h"
#include "private/framesvg_p.h"
#include "remote/authorizationmanager.h"
#include "remote/authorizationmanager_p.h"
#include "theme.h"
#include "view.h"
#include "widgets/iconwidget.h"
#include "widgets/label.h"
#include "tooltipmanager.h"
#include "wallpaper.h"
#include "paintutils.h"
#include "abstractdialogmanager.h"
#include "pluginloader.h"
#include "private/associatedapplicationmanager_p.h"
#include "private/containment_p.h"
#include "private/package_p.h"
#include "private/packages_p.h"
#include "private/plasmoidservice_p.h"
#include "private/popupapplet_p.h"
#include "private/remotedataengine_p.h"
#include "private/service_p.h"
#include "ui_publish.h"
namespace Plasma
{
Applet::Applet(const KPluginInfo &info, QGraphicsItem *parent, uint appletId)
: QGraphicsWidget(parent),
d(new AppletPrivate(KService::Ptr(), &info, appletId, this))
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
d->init();
}
Applet::Applet(QGraphicsItem *parent, const QString &serviceID, uint appletId)
: QGraphicsWidget(parent),
d(new AppletPrivate(KService::serviceByStorageId(serviceID), 0, appletId, this))
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
d->init();
}
Applet::Applet(QGraphicsItem *parent, const QString &serviceID, uint appletId, const QVariantList &args)
: QGraphicsWidget(parent),
d(new AppletPrivate(KService::serviceByStorageId(serviceID), 0, appletId, this))
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
QVariantList &mutableArgs = const_cast<QVariantList &>(args);
if (!mutableArgs.isEmpty()) {
mutableArgs.removeFirst();
if (!mutableArgs.isEmpty()) {
mutableArgs.removeFirst();
}
}
d->args = mutableArgs;
d->init();
}
Applet::Applet(QObject *parentObject, const QVariantList &args)
: QGraphicsWidget(0),
d(new AppletPrivate(
KService::serviceByStorageId(args.count() > 0 ? args[0].toString() : QString()), 0,
args.count() > 1 ? args[1].toInt() : 0, this))
{
// now remove those first two items since those are managed by Applet and subclasses shouldn't
// need to worry about them. yes, it violates the constness of this var, but it lets us add
// or remove items later while applets can just pretend that their args always start at 0
QVariantList &mutableArgs = const_cast<QVariantList &>(args);
if (!mutableArgs.isEmpty()) {
mutableArgs.removeFirst();
if (!mutableArgs.isEmpty()) {
mutableArgs.removeFirst();
}
}
d->args = mutableArgs;
setParent(parentObject);
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
d->init();
// the brain damage seen in the initialization list is due to the
// inflexibility of KService::createInstance
}
Applet::Applet(const QString &packagePath, uint appletId, const QVariantList &args)
: QGraphicsWidget(0),
d(new AppletPrivate(KService::Ptr(new KService(packagePath + "/metadata.desktop")), 0, appletId, this))
{
Q_UNUSED(args) // FIXME?
d->init(packagePath);
}
Applet::~Applet()
{
//let people know that i will die
emit appletDeleted(this);
// clean up our config dialog, if any
delete KConfigDialog::exists(d->configDialogId());
delete d;
}
void Applet::init()
{
setFlag(ItemIsMovable, true);
if (d->script) {
d->setupScriptSupport();
if (!d->script->init() && !d->failed) {
setFailedToLaunch(true, i18n("Script initialization failed"));
}
}
}
uint Applet::id() const
{
return d->appletId;
}
void Applet::save(KConfigGroup &g) const
{
if (d->transient) {
return;
}
KConfigGroup group = g;
if (!group.isValid()) {
group = *d->mainConfigGroup();
}
//kDebug() << "saving" << pluginName() << "to" << group.name();
// we call the dptr member directly for locked since isImmutable()
// also checks kiosk and parent containers
group.writeEntry("immutability", (int)d->immutability);
group.writeEntry("plugin", pluginName());
group.writeEntry("geometry", geometry());
group.writeEntry("zvalue", zValue());
if (!d->started) {
return;
}
//kDebug() << pluginName() << "geometry is" << geometry()
// << "pos is" << pos() << "bounding rect is" << boundingRect();
if (transform() == QTransform()) {
group.deleteEntry("transform");
} else {
QList<qreal> m;
QTransform t = transform();
m << t.m11() << t.m12() << t.m13() << t.m21() << t.m22() << t.m23() << t.m31() << t.m32() << t.m33();
group.writeEntry("transform", m);
//group.writeEntry("transform", transformToString(transform()));
}
KConfigGroup appletConfigGroup(&group, "Configuration");
saveState(appletConfigGroup);
if (d->configLoader) {
// we're saving so we know its changed, we don't need or want the configChanged
// signal bubbling up at this point due to that
disconnect(d->configLoader, SIGNAL(configChanged()), this, SLOT(propagateConfigChanged()));
d->configLoader->writeConfig();
connect(d->configLoader, SIGNAL(configChanged()), this, SLOT(propagateConfigChanged()));
}
}
void Applet::restore(KConfigGroup &group)
{
QList<qreal> m = group.readEntry("transform", QList<qreal>());
if (m.count() == 9) {
QTransform t(m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], m[8]);
setTransform(t);
}
qreal z = group.readEntry("zvalue", 0);
if (z >= AppletPrivate::s_maxZValue) {
AppletPrivate::s_maxZValue = z;
}
if (z > 0) {
setZValue(z);
}
setImmutability((ImmutabilityType)group.readEntry("immutability", (int)Mutable));
QRectF geom = group.readEntry("geometry", QRectF());
if (geom.isValid()) {
setGeometry(geom);
}
KConfigGroup shortcutConfig(&group, "Shortcuts");
QString shortcutText = shortcutConfig.readEntryUntranslated("global", QString());
if (!shortcutText.isEmpty()) {
setGlobalShortcut(KShortcut(shortcutText));
/*
#ifndef NDEBUG
kDebug() << "got global shortcut for" << name() << "of" << QKeySequence(shortcutText);
#endif
#ifndef NDEBUG
kDebug() << "set to" << d->activationAction->objectName()
#endif
<< d->activationAction->globalShortcut().primary();
*/
}
// local shortcut, if any
//TODO: implement; the shortcut will need to be registered with the containment
/*
#include "accessmanager.h"
#include "private/plasmoidservice_p.h"
#include "authorizationmanager.h"
#include "authorizationmanager.h"
shortcutText = shortcutConfig.readEntryUntranslated("local", QString());
if (!shortcutText.isEmpty()) {
//TODO: implement; the shortcut
}
*/
}
void Applet::setFailedToLaunch(bool failed, const QString &reason)
{
d->failed = failed;
d->updateFailedToLaunch(reason);
}
void Applet::saveState(KConfigGroup &group) const
{
if (d->script) {
emit d->script->saveState(group);
}
if (group.config()->name() != config().config()->name()) {
// we're being saved to a different file!
// let's just copy the current values in our configuration over
KConfigGroup c = config();
c.copyTo(&group);
}
}
KConfigGroup Applet::config() const
{
if (d->transient) {
return KConfigGroup(KSharedConfig::openConfig(), "PlasmaTransientsConfig");
}
if (d->isContainment) {
return *(d->mainConfigGroup());
}
return KConfigGroup(d->mainConfigGroup(), "Configuration");
}
KConfigGroup Applet::globalConfig() const
{
KConfigGroup globalAppletConfig;
QString group = isContainment() ? "ContainmentGlobals" : "AppletGlobals";
Corona *corona = qobject_cast<Corona*>(scene());
if (corona) {
KSharedConfig::Ptr coronaConfig = corona->config();
globalAppletConfig = KConfigGroup(coronaConfig, group);
} else {
globalAppletConfig = KConfigGroup(KSharedConfig::openConfig(), group);
}
return KConfigGroup(&globalAppletConfig, d->globalName());
}
void Applet::destroy()
{
if (immutability() != Mutable || d->transient || !d->started) {
return; //don't double delete
}
d->transient = true;
//FIXME: an animation on leave if !isContainment() would be good again .. which should be handled by the containment class
d->cleanUpAndDelete();
}
bool Applet::destroyed() const
{
return d->transient;
}
ConfigLoader *Applet::configScheme() const
{
return d->configLoader;
}
DataEngine *Applet::dataEngine(const QString &name) const
{
return d->dataEngine(name, d->remoteLocation);
}
Package Applet::package() const
{
return d->package ? *d->package : Package();
}
QGraphicsView *Applet::view() const
{
// It's assumed that we won't be visible on more than one view here.
// Anything that actually needs view() should only really care about
// one of them anyway though.
if (!scene()) {
return 0;
}
QGraphicsView *found = 0;
QGraphicsView *possibleFind = 0;
//kDebug() << "looking through" << scene()->views().count() << "views";
foreach (QGraphicsView *view, scene()->views()) {
//kDebug() << " checking" << view << view->sceneRect()
// << "against" << sceneBoundingRect() << scenePos();
if (view->sceneRect().intersects(sceneBoundingRect()) ||
view->sceneRect().contains(scenePos())) {
//kDebug() << " found something!" << view->isActiveWindow();
if (view->isActiveWindow()) {
found = view;
} else {
possibleFind = view;
}
}
}
return found ? found : possibleFind;
}
QRectF Applet::mapFromView(const QGraphicsView *view, const QRect &rect) const
{
// Why is this adjustment needed? Qt calculation error?
return mapFromScene(view->mapToScene(rect)).boundingRect().adjusted(0, 0, 1, 1);
}
QRect Applet::mapToView(const QGraphicsView *view, const QRectF &rect) const
{
// Why is this adjustment needed? Qt calculation error?
return view->mapFromScene(mapToScene(rect)).boundingRect().adjusted(0, 0, -1, -1);
}
QPoint Applet::popupPosition(const QSize &s) const
{
return popupPosition(s, Qt::AlignLeft);
}
QPoint Applet::popupPosition(const QSize &s, Qt::AlignmentFlag alignment) const
{
Corona * corona = qobject_cast<Corona*>(scene());
Q_ASSERT(corona);
return corona->popupPosition(this, s, alignment);
}
void Applet::updateConstraints(Plasma::Constraints constraints)
{
d->scheduleConstraintsUpdate(constraints);
}
void Applet::constraintsEvent(Plasma::Constraints constraints)
{
//NOTE: do NOT put any code in here that reacts to constraints updates
// as it will not get called for any applet that reimplements constraintsEvent
// without calling the Applet:: version as well, which it shouldn't need to.
// INSTEAD put such code into flushPendingConstraintsEvents
Q_UNUSED(constraints)
//kDebug() << constraints << "constraints are FormFactor: " << formFactor()
// << ", Location: " << location();
if (d->script) {
d->script->constraintsEvent(constraints);
}
}
void Applet::setBusy(bool busy)
{
d->setBusy(busy);
}
bool Applet::isBusy() const
{
return d->isBusy();
}
QString Applet::name() const
{
if (d->isContainment) {
const Containment *c = qobject_cast<const Containment*>(this);
if (c && c->d->isPanelContainment()) {
return i18n("Panel");
} else if (!d->appletDescription.isValid()) {
return i18n("Unknown");
} else {
return d->appletDescription.name();
}
} else if (!d->appletDescription.isValid()) {
return i18n("Unknown Widget");
}
return d->appletDescription.name();
}
QFont Applet::font() const
{
return QApplication::font();
}
QString Applet::icon() const
{
if (!d->appletDescription.isValid()) {
return QString();
}
return d->appletDescription.icon();
}
QString Applet::pluginName() const
{
if (!d->appletDescription.isValid()) {
return d->mainConfigGroup()->readEntry("plugin", QString());
}
return d->appletDescription.pluginName();
}
bool Applet::shouldConserveResources() const
{
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#if !PLASMA_NO_SOLID
return Solid::PowerManagement::appShouldConserveResources();
#else
return true;
#endif
}
QString Applet::category() const
{
if (!d->appletDescription.isValid()) {
return i18nc("misc category", "Miscellaneous");
}
return d->appletDescription.category();
}
QString Applet::category(const KPluginInfo &applet)
{
return applet.property("X-KDE-PluginInfo-Category").toString();
}
QString Applet::category(const QString &appletName)
{
if (appletName.isEmpty()) {
return QString();
}
const QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(appletName);
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
if (offers.isEmpty()) {
return QString();
}
return offers.first()->property("X-KDE-PluginInfo-Category").toString();
}
ImmutabilityType Applet::immutability() const
{
// if this object is itself system immutable, then just return that; it's the most
// restrictive setting possible and will override anything that might be happening above it
// in the Corona->Containment->Applet hierarchy
if (d->transient || (d->mainConfig && d->mainConfig->isImmutable())) {
return SystemImmutable;
}
//Returning the more strict immutability between the applet immutability, Containment and Corona
ImmutabilityType upperImmutability = Mutable;
Containment *cont = d->isContainment ? 0 : containment();
if (cont) {
upperImmutability = cont->immutability();
} else if (Corona *corona = qobject_cast<Corona*>(scene())) {
upperImmutability = corona->immutability();
}
if (upperImmutability != Mutable) {
// it's either system or user immutable, and we already check for local system immutability,
// so upperImmutability is guaranteed to be as or more severe as this object's immutability
return upperImmutability;
} else {
return d->immutability;
}
}
void Applet::setImmutability(const ImmutabilityType immutable)
{
if (d->immutability == immutable || immutable == Plasma::SystemImmutable) {
// we do not store system immutability in d->immutability since that gets saved
// out to the config file; instead, we check with
// the config group itself for this information at all times. this differs from
// corona, where SystemImmutability is stored in d->immutability.
return;
}
d->immutability = immutable;
updateConstraints(ImmutableConstraint);
}
BackgroundHints Applet::backgroundHints() const
{
return d->backgroundHints;
}
void Applet::setBackgroundHints(const Plasma::BackgroundHints hints)
{
if (d->backgroundHints == hints) {
return;
}
d->backgroundHints = hints;
d->preferredBackgroundHints = hints;
//Draw the standard background?
if ((hints & StandardBackground) || (hints & TranslucentBackground)) {
if (!d->background) {
d->background = new Plasma::FrameSvg(this);
QObject::connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(themeChanged()));
}
if ((hints & TranslucentBackground) &&
Plasma::Theme::defaultTheme()->currentThemeHasImage("widgets/translucentbackground")) {
d->background->setImagePath("widgets/translucentbackground");
} else {
d->background->setImagePath("widgets/background");
}
d->background->setEnabledBorders(Plasma::FrameSvg::AllBorders);
qreal left, top, right, bottom;
d->background->getMargins(left, top, right, bottom);
setContentsMargins(left, right, top, bottom);
QSizeF fitSize(left + right, top + bottom);
d->background->resizeFrame(boundingRect().size());
//if the background has an "overlay" element decide a random position for it and then save it so it's consistent across plasma starts
if (d->background->hasElement("overlay")) {
QSize overlaySize = d->background->elementSize("overlay");
//position is in the boundaries overlaySize.width()*2, overlaySize.height()
qsrand(id());
d->background->d->overlayPos.rx() = - (overlaySize.width() /2) + (overlaySize.width() /4) * (qrand() % (4 + 1));
d->background->d->overlayPos.ry() = (- (overlaySize.height() /2) + (overlaySize.height() /4) * (qrand() % (4 + 1)))/2;
}
} else if (d->background) {
qreal left, top, right, bottom;
d->background->getMargins(left, top, right, bottom);
delete d->background;
d->background = 0;
setContentsMargins(0, 0, 0, 0);
}
update();
}
bool Applet::hasFailedToLaunch() const
{
return d->failed;
}
bool Applet::configurationRequired() const
{
return d->needsConfig;
}
void Applet::setConfigurationRequired(bool needsConfig, const QString &reason)
{
if (d->needsConfig == needsConfig) {
return;
}
d->needsConfig = needsConfig;
d->showConfigurationRequiredMessage(needsConfig, reason);
}
void Applet::showMessage(const QIcon &icon, const QString &message, const MessageButtons buttons)
{
d->showMessage(icon, message, buttons);
}
QVariantList Applet::startupArguments() const
{
return d->args;
}
ItemStatus Applet::status() const
{
return d->itemStatus;
}
void Applet::setStatus(const ItemStatus status)
{
d->itemStatus = status;
emit newStatus(status);
}
void Applet::flushPendingConstraintsEvents()
{
if (d->pendingConstraints == NoConstraint) {
return;
}
if (d->constraintsTimer.isActive()) {
d->constraintsTimer.stop();
}
//kDebug() << "fushing constraints: " << d->pendingConstraints << "!!!!!!!!!!!!!!!!!!!!!!!!!!!";
Plasma::Constraints c = d->pendingConstraints;
d->pendingConstraints = NoConstraint;
if (c & Plasma::StartupCompletedConstraint) {
//common actions
bool unlocked = immutability() == Mutable;
QAction *closeApplet = d->actions->action("remove");
if (closeApplet) {
closeApplet->setEnabled(unlocked);
closeApplet->setVisible(unlocked);
connect(closeApplet, SIGNAL(triggered(bool)), this, SLOT(selectItemToDestroy()), Qt::UniqueConnection);
}
QAction *configAction = d->actions->action("configure");
if (configAction) {
if (d->isContainment) {
connect(configAction, SIGNAL(triggered(bool)), this, SLOT(requestConfiguration()), Qt::UniqueConnection);
} else {
connect(configAction, SIGNAL(triggered(bool)), this, SLOT(showConfigurationInterface()), Qt::UniqueConnection);
}
if (d->hasConfigurationInterface) {
bool canConfig = unlocked || KAuthorized::authorize("plasma/allow_configure_when_locked");
configAction->setVisible(canConfig);
configAction->setEnabled(canConfig);
}
}
QAction *runAssociatedApplication = d->actions->action("run associated application");
if (runAssociatedApplication) {
connect(runAssociatedApplication, SIGNAL(triggered(bool)), this, SLOT(runAssociatedApplication()), Qt::UniqueConnection);
}
d->updateShortcuts();
Corona * corona = qobject_cast<Corona*>(scene());
if (corona) {
connect(corona, SIGNAL(shortcutsChanged()), this, SLOT(updateShortcuts()), Qt::UniqueConnection);
}
}
if (c & Plasma::ImmutableConstraint) {
bool unlocked = immutability() == Mutable;
QAction *action = d->actions->action("remove");
if (action) {
action->setVisible(unlocked);
action->setEnabled(unlocked);
}
action = d->actions->action("configure");
if (action && d->hasConfigurationInterface) {
bool canConfig = unlocked || KAuthorized::authorize("plasma/allow_configure_when_locked");
action->setVisible(canConfig);
action->setEnabled(canConfig);
}
if (!unlocked && d->handle) {
AppletHandle *h = d->handle.data();
disconnect(this);
QGraphicsScene *s = scene();
if (s && h->scene() == s) {
s->removeItem(h);
}
h->deleteLater();
}
emit immutabilityChanged(immutability());
}
if (c & Plasma::SizeConstraint) {
d->positionMessageOverlay();
if (d->started && layout()) {
layout()->updateGeometry();
}
}
if (c & Plasma::FormFactorConstraint) {
FormFactor f = formFactor();
if (!d->isContainment && f != Vertical && f != Horizontal) {
setBackgroundHints(d->preferredBackgroundHints);
} else {
BackgroundHints hints = d->preferredBackgroundHints;
setBackgroundHints(NoBackground);
d->preferredBackgroundHints = hints;
}
if (d->failed) {
if (f == Vertical || f == Horizontal) {
QGraphicsLayoutItem *item = layout()->itemAt(1);
layout()->removeAt(1);
delete item;
}
}
// avoid putting rotated applets in panels
if (f == Vertical || f == Horizontal) {
QTransform at;
at.rotateRadians(0);
setTransform(at);
}
//was a size saved for a particular form factor?
if (d->sizeForFormFactor.contains(f)) {
resize(d->sizeForFormFactor.value(f));
}
}
if (!size().isEmpty() &&
((c & Plasma::StartupCompletedConstraint) || (c & Plasma::SizeConstraint && !(c & Plasma::FormFactorConstraint)))) {
d->sizeForFormFactor[formFactor()] = size();
}
if (c & Plasma::SizeConstraint || c & Plasma::FormFactorConstraint) {
if (aspectRatioMode() == Plasma::Square || aspectRatioMode() == Plasma::ConstrainedSquare) {
// enforce square size in panels
//save the old size policy. since ignored doesn't (yet) have a valid use case in containments, use it as special unset value
if (d->preferredSizePolicy == QSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored)) {
d->preferredSizePolicy = sizePolicy();
}
if (formFactor() == Horizontal) {
setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding));
} else if (formFactor() == Vertical) {
setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
} else if (d->preferredSizePolicy != QSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored)) {
setSizePolicy(d->preferredSizePolicy);
}
}
updateGeometry();
}
// now take care of constraints in special subclasses: Contaiment and PopupApplet
Containment* containment = qobject_cast<Plasma::Containment*>(this);
if (d->isContainment && containment) {
containment->d->containmentConstraintsEvent(c);
}
PopupApplet* popup = qobject_cast<Plasma::PopupApplet*>(this);
if (popup) {
popup->d->popupConstraintsEvent(c);
}
// pass the constraint on to the actual subclass
constraintsEvent(c);
if (c & StartupCompletedConstraint) {
// start up is done, we can now go do a mod timer
if (d->modificationsTimer) {
if (d->modificationsTimer->isActive()) {
d->modificationsTimer->stop();
}
} else {
d->modificationsTimer = new QBasicTimer;
}
}
}
int Applet::type() const
{
return Type;
}
QList<QAction*> Applet::contextualActions()
{
//kDebug() << "empty context actions";
return d->script ? d->script->contextualActions() : QList<QAction*>();
}
QAction *Applet::action(QString name) const
{
return d->actions->action(name);
}
void Applet::addAction(QString name, QAction *action)
{
d->actions->addAction(name, action);
}
void Applet::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
if (!d->started) {
//kDebug() << "not started";
return;
}
if (transform().isRotating()) {
painter->setRenderHint(QPainter::SmoothPixmapTransform);
painter->setRenderHint(QPainter::Antialiasing);
}
if (d->background &&
formFactor() != Plasma::Vertical &&
formFactor() != Plasma::Horizontal) {
//kDebug() << "option rect is" << option->rect;
d->background->paintFrame(painter);
}
if (d->failed) {
//kDebug() << "failed!";
return;
}
qreal left, top, right, bottom;
getContentsMargins(&left, &top, &right, &bottom);
QRect contentsRect = QRectF(QPointF(0, 0),
boundingRect().size()).adjusted(left, top, -right, -bottom).toRect();
if (widget && d->isContainment) {
// note that the widget we get is actually the viewport of the view, not the view itself
View* v = qobject_cast<Plasma::View*>(widget->parent());
Containment* c = qobject_cast<Plasma::Containment*>(this);
if (!v || v->isWallpaperEnabled()) {
// paint the wallpaper
if (c && c->drawWallpaper() && c->wallpaper()) {
Wallpaper *w = c->wallpaper();
if (!w->isInitialized()) {
// delayed paper initialization
KConfigGroup wallpaperConfig = c->config();
wallpaperConfig = KConfigGroup(&wallpaperConfig, "Wallpaper");
wallpaperConfig = KConfigGroup(&wallpaperConfig, w->pluginName());
w->restore(wallpaperConfig);
disconnect(w, SIGNAL(update(QRectF)), this, SLOT(updateRect(QRectF)));
connect(w, SIGNAL(update(QRectF)), this, SLOT(updateRect(QRectF)));
}
painter->save();
c->wallpaper()->paint(painter, option->exposedRect);
painter->restore();
}
// .. and now paint the actual containment interface, but with
// a Containment style option based on the one we get
// the view must be assigned only if its containment is actually our own
Containment::StyleOption coption(*option);
if (v && v->containment() == containment()) {
coption.view = v;
}
paintInterface(painter, &coption, contentsRect);
}
} else {
//kDebug() << "paint interface of" << (QObject*) this;
// paint the applet's interface
paintInterface(painter, option, contentsRect);
}
}
void Applet::paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option, const QRect &contentsRect)
{
if (d->script) {
d->script->paintInterface(painter, option, contentsRect);
} else {
//kDebug() << "Applet::paintInterface() default impl";
}
}
FormFactor Applet::formFactor() const
{
Containment *c = containment();
QGraphicsWidget *pw = qobject_cast<QGraphicsWidget *>(parent());
if (!pw) {
pw = dynamic_cast<QGraphicsWidget *>(parentItem());
}
Plasma::Applet *parentApplet = qobject_cast<Plasma::Applet *>(pw);
//assumption: this loop is usually is -really- short or doesn't run at all
while (!parentApplet && pw && pw->parentWidget()) {
QGraphicsWidget *parentWidget = qobject_cast<QGraphicsWidget *>(pw->parent());
if (!parentWidget) {
parentWidget = dynamic_cast<QGraphicsWidget *>(pw->parentItem());
}
pw = parentWidget;
parentApplet = qobject_cast<Plasma::Applet *>(pw);
}
const PopupApplet *pa = dynamic_cast<const PopupApplet *>(this);
//if the applet is in a widget that isn't a containment
//try to retrieve the formFactor from the parent size
//we can't use our own sizeHint here because it needs formFactor, so endless recursion.
// a popupapplet can always be constrained.
// a normal applet should to but
//FIXME: not always constrained to not break systemmonitor
if (parentApplet && parentApplet != c && c != this && (pa || layout())) {
if (pa || (parentApplet->size().height() < layout()->effectiveSizeHint(Qt::MinimumSize).height())) {
return Plasma::Horizontal;
} else if (pa || (parentApplet->size().width() < layout()->effectiveSizeHint(Qt::MinimumSize).width())) {
return Plasma::Vertical;
}
return parentApplet->formFactor();
}
return c ? c->d->formFactor : Plasma::Planar;
}
Containment *Applet::containment() const
{
if (d->isContainment) {
Containment *c = qobject_cast<Containment*>(const_cast<Applet*>(this));
if (c) {
return c;
}
}
QGraphicsItem *parent = parentItem();
Containment *c = 0;
while (parent) {
Containment *possibleC = dynamic_cast<Containment*>(parent);
if (possibleC && possibleC->Applet::d->isContainment) {
c = possibleC;
break;
}
parent = parent->parentItem();
}
if (!c) {
//if the applet is an offscreen widget its parentItem will be 0, while its parent
//will be its parentWidget, so here we check the QObject hierarchy.
QObject *objParent = this->parent();
while (objParent) {
Containment *possibleC = qobject_cast<Containment*>(objParent);
if (possibleC && possibleC->Applet::d->isContainment) {
c = possibleC;
break;
}
objParent = objParent->parent();
}
}
return c;
}
void Applet::setGlobalShortcut(const KShortcut &shortcut)
{
if (!d->activationAction) {
d->activationAction = new KAction(this);
d->activationAction->setText(i18n("Activate %1 Widget", name()));
d->activationAction->setObjectName(QString("activate widget %1").arg(id())); // NO I18N
connect(d->activationAction, SIGNAL(triggered()), this, SIGNAL(activate()));
connect(d->activationAction, SIGNAL(globalShortcutChanged(QKeySequence)),
this, SLOT(globalShortcutChanged()));
QList<QWidget *> widgets = d->actions->associatedWidgets();
foreach (QWidget *w, widgets) {
w->addAction(d->activationAction);
}
} else if (d->activationAction->globalShortcut() == shortcut) {
return;
}
//kDebug() << "before" << shortcut.primary() << d->activationAction->globalShortcut().primary();
d->activationAction->setGlobalShortcut(
shortcut,
KAction::ShortcutTypes(KAction::ActiveShortcut | KAction::DefaultShortcut),
KAction::NoAutoloading);
d->globalShortcutChanged();
}
KShortcut Applet::globalShortcut() const
{
if (d->activationAction) {
return d->activationAction->globalShortcut();
}
return KShortcut();
}
bool Applet::isPopupShowing() const
{
return false;
}
void Applet::addAssociatedWidget(QWidget *widget)
{
d->actions->addAssociatedWidget(widget);
}
void Applet::removeAssociatedWidget(QWidget *widget)
{
d->actions->removeAssociatedWidget(widget);
}
Location Applet::location() const
{
Containment *c = containment();
return c ? c->d->location : Plasma::Desktop;
}
Plasma::AspectRatioMode Applet::aspectRatioMode() const
{
return d->aspectRatioMode;
}
void Applet::setAspectRatioMode(Plasma::AspectRatioMode mode)
{
PopupApplet *popup = qobject_cast<PopupApplet *>(this);
if (popup && popup->d->dialogPtr) {
popup->d->dialogPtr.data()->setAspectRatioMode(mode);
popup->d->savedAspectRatio = mode;
}
d->aspectRatioMode = mode;
}
void Applet::registerAsDragHandle(QGraphicsItem *item)
{
if (!item || d->registeredAsDragHandle.contains(item)) {
return;
}
d->registeredAsDragHandle.insert(item);
item->installSceneEventFilter(this);
}
void Applet::unregisterAsDragHandle(QGraphicsItem *item)
{
if (!item) {
return;
}
if (d->registeredAsDragHandle.remove(item)) {
if (item != this) {
item->removeSceneEventFilter(this);
}
}
}
bool Applet::isRegisteredAsDragHandle(QGraphicsItem *item)
{
return d->registeredAsDragHandle.contains(item);
}
bool Applet::hasConfigurationInterface() const
{
return d->hasConfigurationInterface;
}
void Applet::publish(AnnouncementMethods methods, const QString &resourceName)
{
2011-08-17 13:08:56 +02:00
if (!d->remotingService) {
d->remotingService = new PlasmoidService(this);
}
const QString resName = resourceName.isEmpty() ? i18nc("%1 is the name of a plasmoid, %2 the name of the machine that plasmoid is published on",
"%1 on %2", name(), QHostInfo::localHostName())
: resourceName;
#ifndef NDEBUG
kDebug() << "publishing package under name " << resName;
#endif
if (d->package && d->package->isValid()) {
2011-08-17 13:08:56 +02:00
d->remotingService->d->publish(methods, resName, d->package->metadata());
} else if (!d->package && d->appletDescription.isValid()) {
2011-08-17 13:08:56 +02:00
d->remotingService->d->publish(methods, resName, d->appletDescription);
} else {
2011-08-17 13:08:56 +02:00
delete d->remotingService;
d->remotingService = 0;
#ifndef NDEBUG
kDebug() << "Can not publish invalid applets.";
#endif
}
}
void Applet::unpublish()
{
2011-08-17 13:08:56 +02:00
if (d->remotingService) {
d->remotingService->d->unpublish();
}
}
bool Applet::isPublished() const
{
2011-08-17 13:08:56 +02:00
return d->remotingService && d->remotingService->d->isPublished();
}
void Applet::setHasConfigurationInterface(bool hasInterface)
{
if (hasInterface == d->hasConfigurationInterface) {
return;
}
QAction *configAction = d->actions->action("configure");
if (configAction) {
bool enable = hasInterface;
if (enable) {
const bool unlocked = immutability() == Mutable;
enable = unlocked || KAuthorized::authorize("plasma/allow_configure_when_locked");
}
configAction->setEnabled(enable);
}
d->hasConfigurationInterface = hasInterface;
}
bool Applet::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
{
if (watched == this) {
switch (event->type()) {
case QEvent::GraphicsSceneHoverEnter:
//kDebug() << "got hoverenterEvent" << immutability() << " " << immutability();
if (immutability() == Mutable) {
QGraphicsWidget *pw = this;
//This is for the rare case of applet in applet (systray)
//if the applet is in an applet that is not a containment, don't create the handle BUG:301648
while (pw = pw->parentWidget()) {
if (qobject_cast<Containment *>(pw)) {
break;
} else if (qobject_cast<Applet *>(pw)) {
return false;
}
}
QGraphicsSceneHoverEvent *he = static_cast<QGraphicsSceneHoverEvent*>(event);
if (d->handle) {
d->handle.data()->setHoverPos(he->pos());
} else {
//kDebug() << "generated applet handle";
AppletHandle *handle = new AppletHandle(containment(), this, he->pos());
connect(handle, SIGNAL(disappearDone(AppletHandle*)),
this, SLOT(handleDisappeared(AppletHandle*)));
connect(this, SIGNAL(geometryChanged()),
handle, SLOT(appletResized()));
d->handle = handle;
}
}
break;
case QEvent::GraphicsSceneHoverMove:
if (d->handle && !d->handle.data()->shown() && immutability() == Mutable) {
QGraphicsSceneHoverEvent *he = static_cast<QGraphicsSceneHoverEvent*>(event);
d->handle.data()->setHoverPos(he->pos());
}
break;
default:
break;
}
}
switch (event->type()) {
case QEvent::GraphicsSceneMouseMove:
case QEvent::GraphicsSceneMousePress:
case QEvent::GraphicsSceneMouseRelease:
{
// don't move when the containment is not mutable,
// in the rare case the containment doesn't exists consider it as mutable
if ((flags() & ItemIsMovable) && d->registeredAsDragHandle.contains(watched)) {
Containment *c = containment();
if (!c || c->immutability() == Mutable) {
scene()->sendEvent(this, event);
return false;
}
}
break;
}
default:
break;
}
return QGraphicsItem::sceneEventFilter(watched, event);
}
void Applet::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (immutability() == Mutable && formFactor() == Plasma::Planar && (flags() & ItemIsMovable)) {
QGraphicsWidget::mouseMoveEvent(event);
}
}
void Applet::focusInEvent(QFocusEvent *event)
{
if (!isContainment() && containment()) {
//focusing an applet may trigger this event again, but we won't be here more than twice
containment()->d->focusApplet(this);
}
QGraphicsWidget::focusInEvent(event);
}
void Applet::resizeEvent(QGraphicsSceneResizeEvent *event)
{
QGraphicsWidget::resizeEvent(event);
if (d->background) {
d->background->resizeFrame(boundingRect().size());
}
updateConstraints(Plasma::SizeConstraint);
d->scheduleModificationNotification();
emit geometryChanged();
}
bool Applet::isUserConfiguring() const
{
return KConfigDialog::exists(d->configDialogId());
}
void Applet::showConfigurationInterface()
{
if (!hasConfigurationInterface()) {
return;
}
if (immutability() != Mutable && !KAuthorized::authorize("plasma/allow_configure_when_locked")) {
return;
}
KConfigDialog *dlg = KConfigDialog::exists(d->configDialogId());
if (dlg) {
KWindowSystem::setOnDesktop(dlg->winId(), KWindowSystem::currentDesktop());
dlg->show();
KWindowSystem::activateWindow(dlg->winId());
return;
}
d->publishUI.publishCheckbox = 0;
if (d->package) {
KConfigDialog *dialog = 0;
const QString uiFile = d->package->filePath("mainconfigui");
KDesktopFile df(d->package->path() + "/metadata.desktop");
const QStringList kcmPlugins = df.desktopGroup().readEntry("X-Plasma-ConfigPlugins", QStringList());
if (!uiFile.isEmpty() || !kcmPlugins.isEmpty()) {
KConfigSkeleton *configLoader = d->configLoader ? d->configLoader : new KConfigSkeleton(0);
dialog = new AppletConfigDialog(0, d->configDialogId(), configLoader);
if (!d->configLoader) {
// delete the temporary when this dialog is done
configLoader->setParent(dialog);
}
dialog->setWindowTitle(d->configWindowTitle());
dialog->setAttribute(Qt::WA_DeleteOnClose, true);
bool hasPages = false;
QFile f(uiFile);
QUiLoader loader;
QWidget *w = loader.load(&f);
if (w) {
dialog->addPage(w, i18n("Settings"), icon(), i18n("%1 Settings", name()));
hasPages = true;
}
foreach (const QString &kcm, kcmPlugins) {
2012-08-24 03:16:04 +02:00
#if !PLASMA_NO_KUTILS
KCModuleProxy *module = new KCModuleProxy(kcm);
if (module->realModule()) {
//preemptively load modules to prevent save() crashing on some kcms, like powerdevil ones
module->load();
connect(module, SIGNAL(changed(bool)), dialog, SLOT(settingsModified(bool)));
connect(dialog, SIGNAL(okClicked()),
module->realModule(), SLOT(save()));
connect(dialog, SIGNAL(applyClicked()),
module->realModule(), SLOT(save()));
dialog->addPage(module, module->moduleInfo().moduleName(), module->moduleInfo().icon());
hasPages = true;
} else {
delete module;
}
#else
KService::Ptr service = KService::serviceByStorageId(kcm);
if (service) {
QString error;
KCModule *module = service->createInstance<KCModule>(dialog, QVariantList(), &error);
if (module) {
module->load();
connect(module, SIGNAL(changed(bool)), dialog, SLOT(settingsModified(bool)));
connect(dialog, SIGNAL(okClicked()),
module, SLOT(save()));
connect(dialog, SIGNAL(applyClicked()),
module, SLOT(save()));
dialog->addPage(module, service->name(), service->icon());
hasPages = true;
} else {
#ifndef NDEBUG
kDebug() << "failed to load kcm" << kcm << "for" << name();
#endif
}
}
#endif
}
if (hasPages) {
d->addGlobalShortcutsPage(dialog);
d->addPublishPage(dialog);
dialog->show();
} else {
delete dialog;
dialog = 0;
}
}
if (!dialog && d->script) {
d->script->showConfigurationInterface();
}
} else if (d->script) {
d->script->showConfigurationInterface();
} else {
KConfigDialog *dialog = d->generateGenericConfigDialog();
d->addStandardConfigurationPages(dialog);
showConfigurationInterface(dialog);
}
emit releaseVisualFocus();
}
void Applet::showConfigurationInterface(QWidget *widget)
{
if (!containment() || !containment()->corona() ||
!containment()->corona()->dialogManager()) {
widget->show();
return;
}
QMetaObject::invokeMethod(containment()->corona()->dialogManager(), "showDialog", Q_ARG(QWidget *, widget), Q_ARG(Plasma::Applet *, this));
}
void Applet::configChanged()
{
if (d->script) {
if (d->configLoader) {
d->configLoader->readConfig();
}
d->script->configChanged();
}
}
void Applet::createConfigurationInterface(KConfigDialog *parent)
{
Q_UNUSED(parent)
// virtual method reimplemented by subclasses.
// do not put anything here ...
}
bool Applet::hasAuthorization(const QString &constraint) const
{
KConfigGroup constraintGroup(KSharedConfig::openConfig(), "Constraints");
return constraintGroup.readEntry(constraint, true);
}
void Applet::setAssociatedApplication(const QString &string)
{
AssociatedApplicationManager::self()->setApplication(this, string);
QAction *runAssociatedApplication = d->actions->action("run associated application");
if (runAssociatedApplication) {
bool valid = AssociatedApplicationManager::self()->appletHasValidAssociatedApplication(this);
valid = valid && hasAuthorization("LaunchApp"); //obey security!
runAssociatedApplication->setVisible(valid);
runAssociatedApplication->setEnabled(valid);
}
}
void Applet::setAssociatedApplicationUrls(const QList<QUrl> &urls)
{
AssociatedApplicationManager::self()->setUrls(this, urls);
QAction *runAssociatedApplication = d->actions->action("run associated application");
if (runAssociatedApplication) {
bool valid = AssociatedApplicationManager::self()->appletHasValidAssociatedApplication(this);
valid = valid && hasAuthorization("LaunchApp"); //obey security!
runAssociatedApplication->setVisible(valid);
runAssociatedApplication->setEnabled(valid);
}
}
QString Applet::associatedApplication() const
{
return AssociatedApplicationManager::self()->application(this);
}
QList<QUrl> Applet::associatedApplicationUrls() const
{
return AssociatedApplicationManager::self()->urls(this);
}
void Applet::runAssociatedApplication()
{
if (hasAuthorization("LaunchApp")) {
AssociatedApplicationManager::self()->run(this);
}
}
bool Applet::hasValidAssociatedApplication() const
{
return AssociatedApplicationManager::self()->appletHasValidAssociatedApplication(this);
}
KPluginInfo::List Applet::listAppletInfo(const QString &category, const QString &parentApp)
{
return PluginLoader::self()->listAppletInfo(category, parentApp);
}
2011-05-06 12:12:47 +02:00
KPluginInfo::List Applet::listAppletInfoForMimeType(const QString &mimeType)
{
QString constraint = AppletPrivate::parentAppConstraint();
2011-05-06 12:12:47 +02:00
constraint.append(QString(" and '%1' in [X-Plasma-DropMimeTypes]").arg(mimeType));
//kDebug() << "listAppletInfoForMimetype with" << mimeType << constraint;
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
AppletPrivate::filterOffers(offers);
return KPluginInfo::fromServices(offers);
}
KPluginInfo::List Applet::listAppletInfoForUrl(const QUrl &url)
{
QString constraint = AppletPrivate::parentAppConstraint();
constraint.append(" and exist [X-Plasma-DropUrlPatterns]");
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
AppletPrivate::filterOffers(offers);
KPluginInfo::List allApplets = KPluginInfo::fromServices(offers);
KPluginInfo::List filtered;
foreach (const KPluginInfo &info, allApplets) {
QStringList urlPatterns = info.property("X-Plasma-DropUrlPatterns").toStringList();
foreach (const QString &glob, urlPatterns) {
QRegExp rx(glob);
rx.setPatternSyntax(QRegExp::Wildcard);
if (rx.exactMatch(url.toString())) {
#ifndef NDEBUG
kDebug() << info.name() << "matches" << glob << url;
#endif
filtered << info;
}
}
}
return filtered;
}
QStringList Applet::listCategories(const QString &parentApp, bool visibleOnly)
{
QString constraint = AppletPrivate::parentAppConstraint(parentApp);
constraint.append(" and exist [X-KDE-PluginInfo-Category]");
KConfigGroup group(KSharedConfig::openConfig(), "General");
const QStringList excluded = group.readEntry("ExcludeCategories", QStringList());
foreach (const QString &category, excluded) {
constraint.append(" and [X-KDE-PluginInfo-Category] != '").append(category).append("'");
}
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
AppletPrivate::filterOffers(offers);
QStringList categories;
QSet<QString> known = AppletPrivate::knownCategories();
foreach (const KService::Ptr &applet, offers) {
QString appletCategory = applet->property("X-KDE-PluginInfo-Category").toString();
if (visibleOnly && applet->noDisplay()) {
// we don't want to show the hidden category
continue;
}
//kDebug() << " and we have " << appletCategory;
if (!appletCategory.isEmpty() && !known.contains(appletCategory.toLower())) {
#ifndef NDEBUG
kDebug() << "Unknown category: " << applet->name() << "says it is in the"
<< appletCategory << "category which is unknown to us";
#endif
appletCategory.clear();
}
if (appletCategory.isEmpty()) {
if (!categories.contains(i18nc("misc category", "Miscellaneous"))) {
categories << i18nc("misc category", "Miscellaneous");
}
} else if (!categories.contains(appletCategory)) {
categories << appletCategory;
}
}
categories.sort();
return categories;
}
void Applet::setCustomCategories(const QStringList &categories)
{
AppletPrivate::s_customCategories = QSet<QString>::fromList(categories);
}
QStringList Applet::customCategories()
{
return AppletPrivate::s_customCategories.toList();
}
Applet *Applet::loadPlasmoid(const QString &path, uint appletId, const QVariantList &args)
{
if (QFile::exists(path + "/metadata.desktop")) {
KService service(path + "/metadata.desktop");
const QStringList &types = service.serviceTypes();
if (types.contains("Plasma/Containment")) {
return new Containment(path, appletId, args);
} else if (types.contains("Plasma/PopupApplet")) {
return new PopupApplet(path, appletId, args);
} else {
return new Applet(path, appletId, args);
}
}
return 0;
}
QVariant Applet::itemChange(GraphicsItemChange change, const QVariant &value)
{
QVariant ret = QGraphicsWidget::itemChange(change, value);
//kDebug() << change;
switch (change) {
case ItemSceneHasChanged: {
Corona *newCorona = qobject_cast<Corona *>(qvariant_cast<QGraphicsScene*>(value));
if (newCorona && newCorona->immutability() != Mutable) {
updateConstraints(ImmutableConstraint);
}
}
break;
case ItemParentChange:
if (!d->isContainment) {
Containment *c = containment();
if (d->mainConfig && !c) {
kWarning() << "Configuration object was requested prior to init(), which is too early. "
"Please fix this item:" << parentItem() << value.value<QGraphicsItem *>()
<< name();
Applet *newC = dynamic_cast<Applet*>(value.value<QGraphicsItem *>());
if (newC) {
// if this is an applet, and we've just been assigned to our first containment,
// but the applet did something stupid like ask for the config() object prior to
// this happening (e.g. inits ctor) then let's repair that situation for them.
KConfigGroup *old = d->mainConfig;
KConfigGroup appletConfig = newC->config();
appletConfig = KConfigGroup(&appletConfig, "Applets");
d->mainConfig = new KConfigGroup(&appletConfig, QString::number(d->appletId));
old->copyTo(d->mainConfig);
old->deleteGroup();
delete old;
}
}
}
break;
case ItemParentHasChanged:
{
if (isContainment()) {
removeSceneEventFilter(this);
} else {
Containment *c = containment();
if (c && c->containmentType() == Containment::DesktopContainment) {
installSceneEventFilter(this);
} else {
removeSceneEventFilter(this);
}
}
}
break;
case ItemPositionHasChanged:
emit geometryChanged();
// fall through!
case ItemTransformHasChanged:
d->scheduleModificationNotification();
break;
default:
break;
};
return ret;
}
QPainterPath Applet::shape() const
{
if (d->script) {
return d->script->shape();
}
return QGraphicsWidget::shape();
}
QSizeF Applet::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
QSizeF hint = QGraphicsWidget::sizeHint(which, constraint);
const FormFactor ff = formFactor();
// in panels make sure that the contents won't exit from the panel
if (which == Qt::MinimumSize) {
if (ff == Horizontal) {
hint.setHeight(0);
} else if (ff == Vertical) {
hint.setWidth(0);
}
}
// enforce a square size in panels
if (d->aspectRatioMode == Plasma::Square) {
if (ff == Horizontal) {
hint.setWidth(size().height());
} else if (ff == Vertical) {
hint.setHeight(size().width());
}
} else if (d->aspectRatioMode == Plasma::ConstrainedSquare) {
//enforce a size not wider than tall
if (ff == Horizontal) {
hint.setWidth(size().height());
//enforce a size not taller than wide
} else if (ff == Vertical && (which == Qt::MaximumSize || size().width() <= KIconLoader::SizeLarge)) {
hint.setHeight(size().width());
}
}
return hint;
}
void Applet::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
}
void Applet::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
}
void Applet::timerEvent(QTimerEvent *event)
{
if (d->transient) {
d->constraintsTimer.stop();
if (d->modificationsTimer) {
d->modificationsTimer->stop();
}
return;
}
if (event->timerId() == d->constraintsTimer.timerId()) {
d->constraintsTimer.stop();
// Don't flushPendingConstraints if we're just starting up
// flushPendingConstraints will be called by Corona
if(!(d->pendingConstraints & Plasma::StartupCompletedConstraint)) {
flushPendingConstraintsEvents();
}
} else if (d->modificationsTimer && event->timerId() == d->modificationsTimer->timerId()) {
d->modificationsTimer->stop();
// invalid group, will result in save using the default group
KConfigGroup cg;
save(cg);
emit configNeedsSaving();
}
}
QRect Applet::screenRect() const
{
QGraphicsView *v = view();
if (v) {
QPointF bottomRight = pos();
bottomRight.rx() += size().width();
bottomRight.ry() += size().height();
QPoint tL = v->mapToGlobal(v->mapFromScene(pos()));
QPoint bR = v->mapToGlobal(v->mapFromScene(bottomRight));
return QRect(QPoint(tL.x(), tL.y()), QSize(bR.x() - tL.x(), bR.y() - tL.y()));
}
//The applet doesn't have a view on it.
//So a screenRect isn't relevant.
return QRect(QPoint(0, 0), QSize(0, 0));
}
void Applet::raise()
{
setZValue(++AppletPrivate::s_maxZValue);
}
void Applet::lower()
{
setZValue(--AppletPrivate::s_minZValue);
}
bool Applet::isContainment() const
{
return d->isContainment;
}
// PRIVATE CLASS IMPLEMENTATION
void ContainmentPrivate::checkRemoveAction()
{
q->enableAction("remove", q->immutability() == Mutable);
}
} // Plasma namespace
#include "moc_applet.cpp"
#include "private/moc_applet_p.cpp"