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plasma-framework/applet.cpp
Giulio Camuffo 3534c4fc0e look for the containment in the QObject hierarchy if it could not be find in the QGraphicsItem one. This is needed to 
make the applet which are offscreen find their containment.

svn path=/trunk/KDE/kdelibs/; revision=1207068
2010-12-16 20:08:16 +00:00

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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 <kauthorized.h>
#include <kcolorscheme.h>
#include <kdialog.h>
#include <kicon.h>
#include <kiconloader.h>
#include <kkeysequencewidget.h>
#include <kplugininfo.h>
#include <kstandarddirs.h>
#include <kservice.h>
#include <kservicetypetrader.h>
#include <kshortcut.h>
#include <kwindowsystem.h>
#include <kpushbutton.h>
#ifndef PLASMA_NO_SOLID
#include <solid/powermanagement.h>
#endif
#include "abstracttoolbox.h"
#include "authorizationmanager.h"
#include "authorizationrule.h"
#include "configloader.h"
#include "containment.h"
#include "corona.h"
#include "dataenginemanager.h"
#include "dialog.h"
#include "extenders/extender.h"
#include "extenders/extenderitem.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/extenderitem_p.h"
#include "private/framesvg_p.h"
#include "theme.h"
#include "view.h"
#include "widgets/iconwidget.h"
#include "widgets/label.h"
#include "widgets/pushbutton.h"
#include "widgets/busywidget.h"
#include "tooltipmanager.h"
#include "wallpaper.h"
#include "paintutils.h"
#include "abstractdialogmanager.h"
#include "pluginloader.h"
#include "private/associatedapplicationmanager_p.h"
#include "private/authorizationmanager_p.h"
#include "private/containment_p.h"
#include "private/extenderapplet_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 appletDestroyed(this);
if (!d->transient && d->extender) {
//This would probably be nicer if it was located in extender. But in it's dtor, this won't
//work since when that get's called, the applet's config() isn't accessible anymore. (same
//problem with calling saveState(). Doing this in saveState() might be a possibility, but
//that would require every extender savestate implementation to call it's parent function,
//which isn't very nice.
d->extender.data()->saveState();
foreach (ExtenderItem *item, d->extender.data()->attachedItems()) {
if (item->autoExpireDelay()) {
//destroy temporary extender items, or items that aren't detached, so their
//configuration won't linger after a plasma restart.
item->destroy();
}
}
}
// clean up our config dialog, if any
delete KConfigDialog::exists(d->configDialogId());
delete d;
}
PackageStructure::Ptr Applet::packageStructure()
{
if (!AppletPrivate::packageStructure) {
AppletPrivate::packageStructure = new PlasmoidPackage();
}
return AppletPrivate::packageStructure;
}
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 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;
}
//FIXME: for containments, we need to have some special values here w/regards to
// screen affinity (e.g. "bottom of screen 0")
//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(configChanged()));
d->configLoader->writeConfig();
connect(d->configLoader, SIGNAL(configChanged()), this, SLOT(configChanged()));
}
}
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));
/*
kDebug() << "got global shortcut for" << name() << "of" << QKeySequence(shortcutText);
kDebug() << "set to" << d->activationAction->objectName()
<< 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 AppletPrivate::setFocus()
{
//kDebug() << "setting focus";
q->setFocus(Qt::ShortcutFocusReason);
}
void Applet::setFailedToLaunch(bool failed, const QString &reason)
{
if (d->failed == failed) {
if (failed && !reason.isEmpty()) {
foreach (QGraphicsItem *item, QGraphicsItem::children()) {
Label *l = dynamic_cast<Label *>(item);
if (l) {
l->setText(d->visibleFailureText(reason));
}
}
}
return;
}
d->failed = failed;
prepareGeometryChange();
foreach (QGraphicsItem *item, childItems()) {
if (!dynamic_cast<AppletHandle *>(item)) {
delete item;
}
}
d->messageOverlay = 0;
if (d->messageDialog) {
d->messageDialog.data()->deleteLater();
d->messageDialog.clear();
}
setLayout(0);
if (failed) {
setBackgroundHints(d->backgroundHints|StandardBackground);
QGraphicsLinearLayout *failureLayout = new QGraphicsLinearLayout(this);
failureLayout->setContentsMargins(0, 0, 0, 0);
IconWidget *failureIcon = new IconWidget(this);
failureIcon->setIcon(KIcon("dialog-error"));
failureLayout->addItem(failureIcon);
Label *failureWidget = new Plasma::Label(this);
failureWidget->setText(d->visibleFailureText(reason));
QLabel *label = failureWidget->nativeWidget();
label->setWordWrap(true);
failureLayout->addItem(failureWidget);
Plasma::ToolTipManager::self()->registerWidget(failureIcon);
Plasma::ToolTipContent data(i18n("Unable to load the widget"), reason,
KIcon("dialog-error"));
Plasma::ToolTipManager::self()->setContent(failureIcon, data);
setLayout(failureLayout);
resize(300, 250);
d->background->resizeFrame(geometry().size());
}
update();
}
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 QString &group) const
{
if (d->transient) {
return KConfigGroup(KGlobal::config(), "PlasmaTransientsConfig");
}
KConfigGroup cg = config();
return KConfigGroup(&cg, group);
}
KConfigGroup Applet::config() const
{
if (d->transient) {
return KConfigGroup(KGlobal::config(), "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(KGlobal::config(), group);
}
return KConfigGroup(&globalAppletConfig, d->globalName());
}
void Applet::destroy()
{
if (immutability() != Mutable || d->transient || !d->started) {
return; //don't double delete
}
d->transient = true;
if (isContainment()) {
d->cleanUpAndDelete();
} else {
Animation *zoomAnim = Plasma::Animator::create(Plasma::Animator::ZoomAnimation);
connect(zoomAnim, SIGNAL(finished()), this, SLOT(cleanUpAndDelete()));
zoomAnim->setTargetWidget(this);
zoomAnim->start();
}
}
bool Applet::destroyed() const
{
return d->transient;
}
void AppletPrivate::selectItemToDestroy()
{
//FIXME: this will not work nicely with multiple screens and being zoomed out!
if (isContainment) {
QGraphicsView *view = q->view();
if (view && view->transform().isScaling() &&
q->scene()->focusItem() != q) {
QGraphicsItem *focus = q->scene()->focusItem();
if (focus) {
Containment *toDestroy = dynamic_cast<Containment*>(focus->topLevelItem());
if (toDestroy) {
toDestroy->destroy();
return;
}
}
}
}
q->destroy();
}
void AppletPrivate::updateRect(const QRectF &rect)
{
q->update(rect);
}
void AppletPrivate::cleanUpAndDelete()
{
//kDebug() << "???????????????? DESTROYING APPLET" << q->name() << q->scene() << " ???????????????????????????";
QGraphicsWidget *parent = dynamic_cast<QGraphicsWidget *>(q->parentItem());
//it probably won't matter, but right now if there are applethandles, *they* are the parent.
//not the containment.
//is the applet in a containment and does the containment have a layout?
//if yes, we remove the applet in the layout
if (parent && parent->layout()) {
QGraphicsLayout *l = parent->layout();
for (int i = 0; i < l->count(); ++i) {
if (q == l->itemAt(i)) {
l->removeAt(i);
break;
}
}
}
if (configLoader) {
configLoader->setDefaults();
}
resetConfigurationObject();
if (q->scene()) {
if (isContainment) {
// prematurely emit our destruction if we are a Containment,
// giving Corona a chance to remove this Containment from its collection
emit q->QObject::destroyed(q);
}
q->scene()->removeItem(q);
}
q->deleteLater();
}
void AppletPrivate::createMessageOverlay(bool usePopup)
{
if (messageOverlay) {
qDeleteAll(messageOverlay->children());
messageOverlay->setLayout(0);
}
PopupApplet *popup = qobject_cast<Plasma::PopupApplet*>(q);
if (!messageOverlay) {
if (usePopup && popup) {
if (popup->widget()) {
messageOverlayProxy = new QGraphicsProxyWidget(q);
messageOverlayProxy->setWidget(popup->widget());
messageOverlay = new AppletOverlayWidget(messageOverlayProxy);
} else if (popup->graphicsWidget() &&
popup->graphicsWidget() != extender.data()) {
messageOverlay = new AppletOverlayWidget(popup->graphicsWidget());
}
}
if (!messageOverlay) {
messageOverlay = new AppletOverlayWidget(q);
}
}
positionMessageOverlay();
}
void AppletPrivate::positionMessageOverlay()
{
if (!messageOverlay) {
return;
}
PopupApplet *popup = qobject_cast<Plasma::PopupApplet*>(q);
const bool usePopup = popup && (messageOverlay->parentItem() != q);
QGraphicsItem *topItem = q;
if (usePopup && popup->widget()) {
// popupapplet with widget()
topItem = popup->d->proxy.data();
messageOverlay->setGeometry(popup->widget()->contentsRect());
} else if (usePopup && popup->graphicsWidget() && popup->graphicsWidget() != extender.data()) {
// popupapplet with graphicsWidget()
topItem = popup->graphicsWidget();
QGraphicsWidget *w = dynamic_cast<QGraphicsWidget *>(topItem);
messageOverlay->setGeometry(w ? w->contentsRect() : topItem->boundingRect());
} else {
// normal applet
messageOverlay->setGeometry(q->contentsRect());
}
// raise the overlay above all the other children!
int zValue = 100;
foreach (QGraphicsItem *child, topItem->children()) {
if (child->zValue() > zValue) {
zValue = child->zValue() + 1;
}
}
messageOverlay->setZValue(zValue);
}
void AppletPrivate::destroyMessageOverlay()
{
if (messageDialog) {
messageDialog.data()->animatedHide(Plasma::locationToInverseDirection(q->location()));
//messageDialog.data()->deleteLater();
messageDialog.clear();
}
if (!messageOverlay) {
return;
}
messageOverlay->destroy();
messageOverlay = 0;
if (messageOverlayProxy) {
messageOverlayProxy->setWidget(0);
delete messageOverlayProxy;
messageOverlayProxy = 0;
}
MessageButton buttonCode = ButtonNo;
//find out if we're disappearing because of a button press
PushButton *button = qobject_cast<PushButton *>(q->sender());
if (button) {
if (button->text() == i18n("Ok")) {
buttonCode = ButtonOk;
}
if (button->text() == i18n("Yes")) {
buttonCode = ButtonYes;
}
if (button->text() == i18n("No")) {
buttonCode = ButtonNo;
}
if (button->text() == i18n("Cancel")) {
}
emit q->messageButtonPressed(buttonCode);
}
}
ConfigLoader *Applet::configScheme() const
{
return d->configLoader;
}
DataEngine *Applet::dataEngine(const QString &name) const
{
if (!d->remoteLocation.isEmpty()) {
return d->remoteDataEngine(KUrl(d->remoteLocation), name);
} else if (!package() || package()->metadata().remoteLocation().isEmpty()) {
return d->dataEngine(name);
} else {
return d->remoteDataEngine(KUrl(package()->metadata().remoteLocation()), name);
}
}
const Package *Applet::package() const
{
return d->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::initExtenderItem(ExtenderItem *item)
{
if (d->script) {
emit extenderItemRestored(item);
} else {
kWarning() << "Missing implementation of initExtenderItem in the applet "
<< item->config().readEntry("SourceAppletPluginName", "")
<< "!\n Any applet that uses extenders should implement initExtenderItem to "
<< "instantiate a widget. Destroying the item...";
item->destroy();
}
}
Extender *Applet::extender() const
{
if (!d->extender) {
new Extender(const_cast<Applet*>(this));
}
return d->extender.data();
}
void Applet::setBusy(bool busy)
{
if (busy) {
if (!d->busyWidget && !d->busyWidgetTimer.isActive()) {
d->busyWidgetTimer.start(500, this);
}
} else {
d->busyWidgetTimer.stop();
if (d->busyWidget) {
d->busyWidget = 0;
d->destroyMessageOverlay();
}
}
}
bool Applet::isBusy() const
{
return d->busyWidgetTimer.isActive() || (d->busyWidget && d->busyWidget->isVisible());
}
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 QString();
}
return d->appletDescription.pluginName();
}
bool Applet::shouldConserveResources() const
{
#ifndef 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->mainConfigGroup()->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);
}
Applet::BackgroundHints Applet::backgroundHints() const
{
return d->backgroundHints;
}
void Applet::setBackgroundHints(const 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;
}
void Applet::paintWindowFrame(QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(painter)
Q_UNUSED(option)
Q_UNUSED(widget)
//Here come the code for the window frame
//kDebug() << windowFrameGeometry();
//painter->drawRoundedRect(windowFrameGeometry(), 5, 5);
}
bool Applet::configurationRequired() const
{
return d->needsConfig;
}
void Applet::setConfigurationRequired(bool needsConfig, const QString &reason)
{
if (d->needsConfig == needsConfig) {
return;
}
d->needsConfig = needsConfig;
if (!needsConfig) {
d->destroyMessageOverlay();
return;
}
d->createMessageOverlay(true);
d->messageOverlay->opacity = 0.4;
QGraphicsGridLayout *configLayout = new QGraphicsGridLayout(d->messageOverlay);
configLayout->setContentsMargins(0, 0, 0, 0);
// configLayout->addStretch();
configLayout->setColumnStretchFactor(0, 5);
configLayout->setColumnStretchFactor(2, 5);
configLayout->setRowStretchFactor(0, 5);
configLayout->setRowStretchFactor(3, 5);
int row = 1;
if (!reason.isEmpty()) {
Label *explanation = new Label(d->messageOverlay);
explanation->setText(reason);
configLayout->addItem(explanation, row, 1);
configLayout->setColumnStretchFactor(1, 5);
++row;
configLayout->setAlignment(explanation, Qt::AlignBottom | Qt::AlignCenter);
}
PushButton *configWidget = new PushButton(d->messageOverlay);
if (!qobject_cast<Plasma::PopupApplet *>(this) && (formFactor() == Plasma::Horizontal || formFactor() == Plasma::Vertical)) {
configWidget->setImage("widgets/configuration-icons", "configure");
configWidget->setMaximumSize(24,24);
configWidget->setMinimumSize(24,24);
} else {
configWidget->setText(i18n("Configure..."));
}
connect(configWidget, SIGNAL(clicked()), this, SLOT(showConfigurationInterface()));
configLayout->addItem(configWidget, row, 1);
//configLayout->setAlignment(configWidget, Qt::AlignTop | Qt::AlignCenter);
//configLayout->addStretch();
d->messageOverlay->show();
}
void Applet::showMessage(const QIcon &icon, const QString &message, const MessageButtons buttons)
{
if (message.isEmpty()) {
d->destroyMessageOverlay();
return;
}
Corona *corona = qobject_cast<Corona *>(scene());
QGraphicsWidget *mainWidget = new QGraphicsWidget;
QGraphicsLinearLayout *mainLayout = new QGraphicsLinearLayout(mainWidget);
mainLayout->setOrientation(Qt::Vertical);
mainLayout->addStretch();
QGraphicsLinearLayout *messageLayout = new QGraphicsLinearLayout();
messageLayout->setOrientation(Qt::Horizontal);
QGraphicsLinearLayout *buttonLayout = new QGraphicsLinearLayout();
buttonLayout->setOrientation(Qt::Horizontal);
mainLayout->addItem(messageLayout);
mainLayout->addItem(buttonLayout);
mainLayout->addStretch();
IconWidget *messageIcon = new IconWidget(mainWidget);
Label *messageText = new Label(mainWidget);
messageText->nativeWidget()->setWordWrap(true);
messageLayout->addStretch();
messageLayout->addItem(messageIcon);
messageLayout->addItem(messageText);
messageLayout->addStretch();
messageIcon->setIcon(icon);
messageText->setText(message);
buttonLayout->addStretch();
if (buttons & ButtonOk) {
PushButton *ok = new PushButton(mainWidget);
ok->setText(i18n("&OK"));
ok->setIcon(KIcon("dialog-ok"));
buttonLayout->addItem(ok);
connect(ok, SIGNAL(clicked()), this, SLOT(destroyMessageOverlay()));
}
if (buttons & ButtonYes) {
PushButton *yes = new PushButton(mainWidget);
yes->setText(i18n("&Yes"));
buttonLayout->addItem(yes);
connect(yes, SIGNAL(clicked()), this, SLOT(destroyMessageOverlay()));
}
if (buttons & ButtonNo) {
PushButton *no = new PushButton(mainWidget);
no->setText(i18n("&No"));
buttonLayout->addItem(no);
connect(no, SIGNAL(clicked()), this, SLOT(destroyMessageOverlay()));
}
if (buttons & ButtonCancel) {
PushButton *cancel = new PushButton(mainWidget);
cancel->setText(i18n("&Cancel"));
cancel->setIcon(KIcon("dialog-cancel"));
buttonLayout->addItem(cancel);
connect(cancel, SIGNAL(clicked()), this, SLOT(destroyMessageOverlay()));
}
QAction *action = new QAction(this);
action->setShortcut(Qt::Key_Escape);
mainWidget->addAction(action);
connect(action, SIGNAL(triggered()), this, SLOT(destroyMessageOverlay()));
buttonLayout->addStretch();
mainWidget->adjustSize();
QSizeF hint = mainWidget->preferredSize();
if (hint.height() > size().height() || hint.width() > size().width()) {
// either a collapsed popup in h/v form factor or just too small,
// so show it in a dialog associated with ourselves
if (corona) {
corona->addOffscreenWidget(mainWidget);
}
if (d->messageDialog) {
delete d->messageDialog.data()->graphicsWidget();
} else {
d->messageDialog = new Plasma::Dialog;
}
ToolTipManager::self()->hide(this);
KWindowSystem::setOnAllDesktops(d->messageDialog.data()->winId(), true);
KWindowSystem::setState(d->messageDialog.data()->winId(), NET::SkipTaskbar | NET::SkipPager);
d->messageDialog.data()->setGraphicsWidget(mainWidget);
connect(d->messageDialog.data(), SIGNAL(destroyed(QObject*)), mainWidget, SLOT(deleteLater()));
// if we are going to show it in a popup, then at least make sure it can be dismissed
if (buttonLayout->count() < 1) {
PushButton *ok = new PushButton(mainWidget);
ok->setText(i18n("OK"));
ok->setIcon(KIcon("dialog-ok"));
buttonLayout->addItem(ok);
connect(ok, SIGNAL(clicked()), this, SLOT(destroyMessageOverlay()));
}
} else {
delete d->messageDialog.data();
d->createMessageOverlay();
d->messageOverlay->opacity = 0.8;
mainWidget->setParentItem(d->messageOverlay);
QGraphicsLinearLayout *l = new QGraphicsLinearLayout(d->messageOverlay);
l->addItem(mainWidget);
}
if (d->messageDialog) {
QPoint pos = geometry().topLeft().toPoint();
if (corona) {
pos = corona->popupPosition(this, d->messageDialog.data()->size());
}
d->messageDialog.data()->move(pos);
d->messageDialog.data()->animatedShow(locationToDirection(location()));
} else {
d->messageOverlay->show();
}
}
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 (d->extender) {
foreach (ExtenderItem *item, d->extender.data()->attachedItems()) {
item->d->setMovable(unlocked);
}
}
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(const QRectF&)), this, SLOT(updateRect(const QRectF&)));
connect(w, SIGNAL(update(const QRectF&)), this, SLOT(updateRect(const 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);
}
}
//kDebug() << "before" << shortcut.primary() << d->activationAction->globalShortcut().primary();
d->activationAction->setGlobalShortcut(
shortcut,
KAction::ShortcutTypes(KAction::ActiveShortcut | KAction::DefaultShortcut),
KAction::NoAutoloading);
d->globalShortcutChanged();
}
void AppletPrivate::globalShortcutChanged()
{
if (!activationAction) {
return;
}
KConfigGroup shortcutConfig(mainConfigGroup(), "Shortcuts");
shortcutConfig.writeEntry("global", activationAction->globalShortcut().toString());
scheduleModificationNotification();
//kDebug() << "after" << shortcut.primary() << d->activationAction->globalShortcut().primary();
}
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;
}
Context *Applet::context() const
{
Containment *c = containment();
Q_ASSERT(c);
return c->d->context();
}
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)) {
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)
{
if (d->package) {
d->package->d->publish(methods);
} else if (d->appletDescription.isValid()) {
if (!d->service) {
d->service = new PlasmoidService(this);
}
kDebug() << "publishing package under name " << resourceName;
PackageMetadata pm;
pm.setName(d->appletDescription.name());
pm.setDescription(d->appletDescription.comment());
d->service->d->publish(methods, resourceName, pm);
} else {
kDebug() << "Can not publish invalid applets.";
}
}
void Applet::unpublish()
{
if (d->package) {
d->package->d->unpublish();
} else {
if (d->service) {
d->service->d->unpublish();
}
}
}
bool Applet::isPublished() const
{
if (d->package) {
return d->package->d->isPublished();
} else {
if (d->service) {
return d->service->d->isPublished();
} else {
return false;
}
}
}
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;
}
KActionCollection* AppletPrivate::defaultActions(QObject *parent)
{
KActionCollection *actions = new KActionCollection(parent);
actions->setConfigGroup("Shortcuts-Applet");
KAction *configAction = actions->addAction("configure");
configAction->setAutoRepeat(false);
configAction->setText(i18n("Widget Settings"));
configAction->setIcon(KIcon("configure"));
configAction->setShortcut(KShortcut("alt+d, s"));
configAction->setData(AbstractToolBox::ConfigureTool);
KAction *closeApplet = actions->addAction("remove");
closeApplet->setAutoRepeat(false);
closeApplet->setText(i18n("Remove this Widget"));
closeApplet->setIcon(KIcon("edit-delete"));
closeApplet->setShortcut(KShortcut("alt+d, r"));
closeApplet->setData(AbstractToolBox::DestructiveTool);
KAction *runAssociatedApplication = actions->addAction("run associated application");
runAssociatedApplication->setAutoRepeat(false);
runAssociatedApplication->setText(i18n("Run the Associated Application"));
runAssociatedApplication->setIcon(KIcon("system-run"));
runAssociatedApplication->setShortcut(KShortcut("alt+d, t"));
runAssociatedApplication->setVisible(false);
runAssociatedApplication->setEnabled(false);
runAssociatedApplication->setData(AbstractToolBox::ControlTool);
return actions;
}
bool Applet::eventFilter(QObject *o, QEvent *e)
{
return QObject::eventFilter(o, e);
}
bool Applet::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
{
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")) {
//FIXME: in 4.3 add an explanatory dialog
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 && d->configLoader) {
KConfigDialog *dialog = 0;
QString uiFile = d->package->filePath("mainconfigui");
if (!uiFile.isEmpty()) {
QFile f(uiFile);
QUiLoader loader;
QWidget *w = loader.load(&f);
if (w) {
dialog = new AppletConfigDialog(0, d->configDialogId(), d->configLoader);
dialog->setWindowTitle(d->configWindowTitle());
dialog->setAttribute(Qt::WA_DeleteOnClose, true);
dialog->addPage(w, i18n("Settings"), icon(), i18n("%1 Settings", name()));
d->addGlobalShortcutsPage(dialog);
d->addPublishPage(dialog);
dialog->show();
}
}
if (!dialog && d->script) {
d->script->showConfigurationInterface();
}
} else if (d->script) {
d->script->showConfigurationInterface();
} else {
KConfigDialog *dialog = d->generateGenericConfigDialog();
//createConfigurationInterface(dialog);
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));
}
QString AppletPrivate::configDialogId() const
{
return QString("%1settings%2").arg(appletId).arg(q->name());
}
QString AppletPrivate::configWindowTitle() const
{
return i18nc("@title:window", "%1 Settings", q->name());
}
QSet<QString> AppletPrivate::knownCategories()
{
// this is to trick the tranlsation tools into making the correct
// strings for translation
QSet<QString> categories = s_customCategories;
categories << QString(I18N_NOOP("Accessibility")).toLower()
<< QString(I18N_NOOP("Application Launchers")).toLower()
<< QString(I18N_NOOP("Astronomy")).toLower()
<< QString(I18N_NOOP("Date and Time")).toLower()
<< QString(I18N_NOOP("Development Tools")).toLower()
<< QString(I18N_NOOP("Education")).toLower()
<< QString(I18N_NOOP("Environment and Weather")).toLower()
<< QString(I18N_NOOP("Examples")).toLower()
<< QString(I18N_NOOP("File System")).toLower()
<< QString(I18N_NOOP("Fun and Games")).toLower()
<< QString(I18N_NOOP("Graphics")).toLower()
<< QString(I18N_NOOP("Language")).toLower()
<< QString(I18N_NOOP("Mapping")).toLower()
<< QString(I18N_NOOP("Miscellaneous")).toLower()
<< QString(I18N_NOOP("Multimedia")).toLower()
<< QString(I18N_NOOP("Online Services")).toLower()
<< QString(I18N_NOOP("Productivity")).toLower()
<< QString(I18N_NOOP("System Information")).toLower()
<< QString(I18N_NOOP("Utilities")).toLower()
<< QString(I18N_NOOP("Windows and Tasks")).toLower();
return categories;
}
KConfigDialog *AppletPrivate::generateGenericConfigDialog()
{
KConfigSkeleton *nullManager = new KConfigSkeleton(0);
KConfigDialog *dialog = new AppletConfigDialog(0, configDialogId(), nullManager);
dialog->setFaceType(KPageDialog::Auto);
dialog->setWindowTitle(configWindowTitle());
dialog->setAttribute(Qt::WA_DeleteOnClose, true);
q->createConfigurationInterface(dialog);
//TODO: Apply button does not correctly work for now, so do not show it
dialog->showButton(KDialog::Apply, false);
dialog->showButton(KDialog::Default, false);
QObject::connect(dialog, SIGNAL(applyClicked()), q, SLOT(configDialogFinished()));
QObject::connect(dialog, SIGNAL(okClicked()), q, SLOT(configDialogFinished()));
QObject::connect(dialog, SIGNAL(finished()), nullManager, SLOT(deleteLater()));
return dialog;
}
void AppletPrivate::addStandardConfigurationPages(KConfigDialog *dialog)
{
addGlobalShortcutsPage(dialog);
addPublishPage(dialog);
}
void AppletPrivate::addGlobalShortcutsPage(KConfigDialog *dialog)
{
if (isContainment) {
return;
}
QWidget *page = new QWidget;
QVBoxLayout *layout = new QVBoxLayout(page);
if (!shortcutEditor) {
shortcutEditor = new KKeySequenceWidget(page);
QObject::connect(shortcutEditor, SIGNAL(destroyed(QObject*)), q, SLOT(clearShortcutEditorPtr()));
}
shortcutEditor->setKeySequence(q->globalShortcut().primary());
layout->addWidget(shortcutEditor);
layout->addStretch();
dialog->addPage(page, i18n("Keyboard Shortcut"), "preferences-desktop-keyboard");
//TODO: Apply button does not correctly work for now, so do not show it
dialog->showButton(KDialog::Apply, false);
QObject::connect(dialog, SIGNAL(applyClicked()), q, SLOT(configDialogFinished()), Qt::UniqueConnection);
QObject::connect(dialog, SIGNAL(okClicked()), q, SLOT(configDialogFinished()), Qt::UniqueConnection);
}
void AppletPrivate::addPublishPage(KConfigDialog *dialog)
{
#ifdef ENABLE_REMOTE_WIDGETS
QWidget *page = new QWidget;
publishUI.setupUi(page);
publishUI.publishCheckbox->setChecked(q->isPublished());
publishUI.allUsersCheckbox->setEnabled(q->isPublished());
QString resourceName =
i18nc("%1 is the name of a plasmoid, %2 the name of the machine that plasmoid is published on",
"%1 on %2", q->name(), QHostInfo::localHostName());
if (AuthorizationManager::self()->d->matchingRule(resourceName, Credentials())) {
publishUI.allUsersCheckbox->setChecked(true);
} else {
publishUI.allUsersCheckbox->setChecked(false);
}
q->connect(publishUI.publishCheckbox, SIGNAL(stateChanged(int)),
q, SLOT(publishCheckboxStateChanged(int)));
dialog->addPage(page, i18n("Share"), "applications-internet");
#endif
}
void AppletPrivate::publishCheckboxStateChanged(int state)
{
if (state == Qt::Checked) {
publishUI.allUsersCheckbox->setEnabled(true);
} else {
publishUI.allUsersCheckbox->setEnabled(false);
}
}
void AppletPrivate::clearShortcutEditorPtr()
{
shortcutEditor = 0;
}
void AppletPrivate::configDialogFinished()
{
if (shortcutEditor) {
QKeySequence sequence = shortcutEditor->keySequence();
if (sequence != q->globalShortcut().primary()) {
q->setGlobalShortcut(KShortcut(sequence));
emit q->configNeedsSaving();
}
}
#ifdef ENABLE_REMOTE_WIDGETS
if (publishUI.publishCheckbox) {
q->config().writeEntry("Share", publishUI.publishCheckbox->isChecked());
if (publishUI.publishCheckbox->isChecked()) {
QString resourceName =
i18nc("%1 is the name of a plasmoid, %2 the name of the machine that plasmoid is published on",
"%1 on %2", q->name(), QHostInfo::localHostName());
q->publish(Plasma::ZeroconfAnnouncement, resourceName);
if (publishUI.allUsersCheckbox->isChecked()) {
if (!AuthorizationManager::self()->d->matchingRule(resourceName, Credentials())) {
AuthorizationRule *rule = new AuthorizationRule(resourceName, "");
rule->setPolicy(AuthorizationRule::Allow);
rule->setTargets(AuthorizationRule::AllUsers);
AuthorizationManager::self()->d->rules.append(rule);
}
} else {
AuthorizationRule *matchingRule =
AuthorizationManager::self()->d->matchingRule(resourceName, Credentials());
if (matchingRule) {
AuthorizationManager::self()->d->rules.removeAll(matchingRule);
}
}
} else {
q->unpublish();
}
}
#endif
if (!configLoader) {
// the config loader will trigger this for us, so we don't need to.
q->configChanged();
}
}
void AppletPrivate::updateShortcuts()
{
if (isContainment) {
//a horrible hack to avoid clobbering corona settings
//we pull them out, then read, then put them back
QList<QString> names;
QList<QAction*> qactions;
names << "add sibling containment" << "configure shortcuts" << "lock widgets";
foreach (const QString &name, names) {
QAction *a = actions->action(name);
actions->takeAction(a); //FIXME this is stupid, KActionCollection needs a takeAction(QString) method
qactions << a;
}
actions->readSettings();
for (int i = 0; i < names.size(); ++i) {
QAction *a = qactions.at(i);
if (a) {
actions->addAction(names.at(i), a);
}
}
} else {
actions->readSettings();
}
}
void Applet::configChanged()
{
if (d->script && 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(KGlobal::config(), "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 KUrl::List &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);
}
KUrl::List 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);
}
void AppletPrivate::filterOffers(QList<KService::Ptr> &offers)
{
KConfigGroup constraintGroup(KGlobal::config(), "Constraints");
foreach (const QString &key, constraintGroup.keyList()) {
//kDebug() << "security constraint" << key;
if (constraintGroup.readEntry(key, true)) {
continue;
}
//ugh. a qlist of ksharedptr<kservice>
QMutableListIterator<KService::Ptr> it(offers);
while (it.hasNext()) {
KService::Ptr p = it.next();
QString prop = QString("X-Plasma-Requires-").append(key);
QVariant req = p->property(prop, QVariant::String);
//valid values: Required/Optional/Unused
QString reqValue;
if (req.isValid()) {
reqValue = req.toString();
} else if (p->property("X-Plasma-API").toString().toLower() == "javascript") {
//TODO: be able to check whether or not a script engine provides "controled"
//bindings; for now we just give a pass to the qscript ones
reqValue = "Unused";
}
if (!(reqValue == "Optional" || reqValue == "Unused")) {
//if (reqValue == "Required") {
it.remove();
}
}
}
}
QString AppletPrivate::parentAppConstraint(const QString &parentApp)
{
if (parentApp.isEmpty()) {
return QString("((not exist [X-KDE-ParentApp] or [X-KDE-ParentApp] == '') or [X-KDE-ParentApp] == '%1')")
.arg(KGlobal::mainComponent().aboutData()->appName());
}
return QString("[X-KDE-ParentApp] == '%1'").arg(parentApp);
}
KPluginInfo::List Applet::listAppletInfo(const QString &category, const QString &parentApp)
{
return PluginLoader::pluginLoader()->listAppletInfo(category, parentApp);
}
KPluginInfo::List Applet::listAppletInfoForMimetype(const QString &mimetype)
{
QString constraint = AppletPrivate::parentAppConstraint();
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())) {
kDebug() << info.name() << "matches" << glob << url;
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(KGlobal::config(), "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())) {
kDebug() << "Unknown category: " << applet->name() << "says it is in the"
<< appletCategory << "category which is unknown to us";
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;
}
Applet *Applet::load(const QString &appletName, uint appletId, const QVariantList &args)
{
return PluginLoader::pluginLoader()->loadApplet(appletName, appletId, args);
}
Applet *Applet::load(const KPluginInfo &info, uint appletId, const QVariantList &args)
{
if (!info.isValid()) {
return 0;
}
return load(info.pluginName(), appletId, args);
}
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 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);
//in panels make sure that the contents won't exit from the panel
if (formFactor() == Horizontal && which == Qt::MinimumSize) {
hint.setHeight(0);
} else if (formFactor() == Vertical && which == Qt::MinimumSize) {
hint.setWidth(0);
}
// enforce a square size in panels
if (d->aspectRatioMode == Plasma::Square) {
if (formFactor() == Horizontal) {
hint.setWidth(size().height());
} else if (formFactor() == Vertical) {
hint.setHeight(size().width());
}
} else if (d->aspectRatioMode == Plasma::ConstrainedSquare) {
//enforce a size not wider than tall
if (formFactor() == Horizontal &&
(which == Qt::MaximumSize || size().height() <= KIconLoader::SizeLarge)) {
hint.setWidth(size().height());
//enforce a size not taller than wide
} else if (formFactor() == 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();
d->busyWidgetTimer.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();
} else if (event->timerId() == d->busyWidgetTimer.timerId()) {
if (!d->busyWidget) {
d->createMessageOverlay(false);
d->messageOverlay->opacity = 0;
QGraphicsLinearLayout *mainLayout = new QGraphicsLinearLayout(d->messageOverlay);
d->busyWidget = new Plasma::BusyWidget(d->messageOverlay);
d->busyWidget->setAcceptHoverEvents(false);
d->busyWidget->setAcceptedMouseButtons(Qt::NoButton);
d->messageOverlay->setAcceptHoverEvents(false);
mainLayout->addStretch();
mainLayout->addItem(d->busyWidget);
mainLayout->addStretch();
}
}
}
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);
}
void AppletPrivate::setIsContainment(bool nowIsContainment, bool forceUpdate)
{
if (isContainment == nowIsContainment && !forceUpdate) {
return;
}
isContainment = nowIsContainment;
//FIXME I do not like this function.
//currently it's only called before ctmt/applet init, with (true,true), and I'm going to assume it stays that way.
//if someone calls it at some other time it'll cause headaches. :P
delete mainConfig;
mainConfig = 0;
Containment *c = q->containment();
if (c) {
c->d->checkContainmentFurniture();
}
}
bool Applet::isContainment() const
{
return d->isContainment;
}
// PRIVATE CLASS IMPLEMENTATION
AppletPrivate::AppletPrivate(KService::Ptr service, const KPluginInfo *info, int uniqueID, Applet *applet)
: appletId(uniqueID),
q(applet),
service(0),
preferredBackgroundHints(Applet::StandardBackground),
backgroundHints(Applet::NoBackground),
aspectRatioMode(Plasma::KeepAspectRatio),
immutability(Mutable),
appletDescription(info ? *info : KPluginInfo(service)),
background(0),
mainConfig(0),
pendingConstraints(NoConstraint),
messageOverlay(0),
messageOverlayProxy(0),
busyWidget(0),
script(0),
package(0),
configLoader(0),
actions(AppletPrivate::defaultActions(applet)),
activationAction(0),
shortcutEditor(0),
itemStatus(UnknownStatus),
preferredSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored),
modificationsTimer(0),
hasConfigurationInterface(false),
failed(false),
isContainment(false),
transient(false),
needsConfig(false),
started(false)
{
if (appletId == 0) {
appletId = ++s_maxAppletId;
} else if (appletId > s_maxAppletId) {
s_maxAppletId = appletId;
}
}
AppletPrivate::~AppletPrivate()
{
if (activationAction && activationAction->isGlobalShortcutEnabled()) {
//kDebug() << "reseting global action for" << q->name() << activationAction->objectName();
activationAction->forgetGlobalShortcut();
}
delete extender.data();
delete script;
script = 0;
delete package;
package = 0;
delete configLoader;
configLoader = 0;
delete mainConfig;
mainConfig = 0;
delete modificationsTimer;
}
void AppletPrivate::init(const QString &packagePath)
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
q->setCacheMode(Applet::DeviceCoordinateCache);
q->setAcceptsHoverEvents(true);
q->setFlag(QGraphicsItem::ItemIsFocusable, true);
q->setFocusPolicy(Qt::ClickFocus);
// FIXME: adding here because nothing seems to be doing it in QGraphicsView,
// but it doesn't actually work anyways =/
q->setLayoutDirection(qApp->layoutDirection());
//set a default size before any saved settings are read
QSize size(200, 200);
q->setBackgroundHints(Applet::DefaultBackground);
q->setHasConfigurationInterface(true); //FIXME why not default it to true in the constructor?
QAction *closeApplet = actions->action("remove");
if (closeApplet) {
closeApplet->setText(i18nc("%1 is the name of the applet", "Remove this %1", q->name()));
}
QAction *configAction = actions->action("configure");
if (configAction) {
configAction->setText(i18nc("%1 is the name of the applet", "%1 Settings", q->name()));
}
QObject::connect(q, SIGNAL(activate()), q, SLOT(setFocus()));
if (!appletDescription.isValid()) {
kDebug() << "Check your constructor! "
<< "You probably want to be passing in a Service::Ptr "
<< "or a QVariantList with a valid storageid as arg[0].";
q->resize(size);
return;
}
QVariant s = appletDescription.property("X-Plasma-DefaultSize");
if (s.isValid()) {
size = s.toSize();
}
//kDebug() << "size" << size;
q->resize(size);
QString api = appletDescription.property("X-Plasma-API").toString();
// we have a scripted plasmoid
if (!api.isEmpty()) {
// find where the Package is
QString path = packagePath;
if (path.isEmpty()) {
QString subPath = q->packageStructure()->defaultPackageRoot() + '/' + appletDescription.pluginName() + '/';
path = KStandardDirs::locate("data", subPath + "metadata.desktop");
if (path.isEmpty()) {
path = KStandardDirs::locate("data", subPath);
} else {
path.remove(QString("metadata.desktop"));
}
} else if (!path.endsWith('/')) {
path.append('/');
}
if (path.isEmpty()) {
q->setFailedToLaunch(
true,
i18nc("Package file, name of the widget",
"Could not locate the %1 package required for the %2 widget.",
appletDescription.pluginName(), appletDescription.name()));
} else {
// create the package and see if we have something real
//kDebug() << "trying for" << path;
PackageStructure::Ptr structure = Plasma::packageStructure(api, Plasma::AppletComponent);
structure->setPath(path);
package = new Package(path, structure);
if (package->isValid()) {
// now we try and set up the script engine.
// it will be parented to this applet and so will get
// deleted when the applet does
script = Plasma::loadScriptEngine(api, q);
if (!script) {
delete package;
package = 0;
q->setFailedToLaunch(true,
i18nc("API or programming language the widget was written in, name of the widget",
"Could not create a %1 ScriptEngine for the %2 widget.",
api, appletDescription.name()));
}
} else {
q->setFailedToLaunch(true, i18nc("Package file, name of the widget",
"Could not open the %1 package required for the %2 widget.",
appletDescription.pluginName(), appletDescription.name()));
delete package;
package = 0;
}
}
}
}
// put all setup routines for script here. at this point we can assume that
// package exists and that we have a script engine
void AppletPrivate::setupScriptSupport()
{
if (!package) {
return;
}
kDebug() << "setting up script support, package is in" << package->path()
<< "which is a" << package->structure()->type() << "package"
<< ", main script is" << package->filePath("mainscript");
QString translationsPath = package->filePath("translations");
if (!translationsPath.isEmpty()) {
//FIXME: we should _probably_ use a KComponentData to segregate the applets
// from each other; but I want to get the basics working first :)
KGlobal::dirs()->addResourceDir("locale", translationsPath);
KGlobal::locale()->insertCatalog(package->metadata().pluginName());
}
QString xmlPath = package->filePath("mainconfigxml");
if (!xmlPath.isEmpty()) {
QFile file(xmlPath);
KConfigGroup config = q->config();
configLoader = new ConfigLoader(&config, &file);
QObject::connect(configLoader, SIGNAL(configChanged()), q, SLOT(configChanged()));
}
if (!package->filePath("mainconfigui").isEmpty()) {
q->setHasConfigurationInterface(true);
}
}
QString AppletPrivate::globalName() const
{
if (!appletDescription.isValid()) {
return QString();
}
return appletDescription.service()->library();
}
QString AppletPrivate::instanceName()
{
if (!appletDescription.isValid()) {
return QString();
}
return appletDescription.service()->library() + QString::number(appletId);
}
void AppletPrivate::scheduleConstraintsUpdate(Plasma::Constraints c)
{
// Don't start up a timer if we're just starting up
// flushPendingConstraints will be called by Corona
if (started && !constraintsTimer.isActive() && !(c & Plasma::StartupCompletedConstraint)) {
constraintsTimer.start(0, q);
}
if (c & Plasma::StartupCompletedConstraint) {
started = true;
}
pendingConstraints |= c;
}
void AppletPrivate::scheduleModificationNotification()
{
// modificationsTimer is not allocated until we get our notice of being started
if (modificationsTimer) {
// schedule a save
if (modificationsTimer->isActive()) {
modificationsTimer->stop();
}
modificationsTimer->start(1000, q);
}
}
KConfigGroup *AppletPrivate::mainConfigGroup()
{
if (mainConfig) {
return mainConfig;
}
bool newGroup = false;
if (isContainment) {
Corona *corona = qobject_cast<Corona*>(q->scene());
KConfigGroup containmentConfig;
//kDebug() << "got a corona, baby?" << (QObject*)corona << (QObject*)q;
if (corona) {
containmentConfig = KConfigGroup(corona->config(), "Containments");
} else {
containmentConfig = KConfigGroup(KGlobal::config(), "Containments");
}
if (package && !containmentConfig.hasGroup(QString::number(appletId))) {
newGroup = true;
}
mainConfig = new KConfigGroup(&containmentConfig, QString::number(appletId));
} else {
KConfigGroup appletConfig;
Containment *c = q->containment();
Applet *parentApplet = qobject_cast<Applet *>(q->parent());
if (parentApplet && parentApplet != static_cast<Applet *>(c)) {
// this applet is nested inside another applet! use it's config
// as the parent group in the config
appletConfig = parentApplet->config();
appletConfig = KConfigGroup(&appletConfig, "Applets");
} else if (c) {
// applet directly in a Containment, as usual
appletConfig = c->config();
appletConfig = KConfigGroup(&appletConfig, "Applets");
} else {
kWarning() << "requesting config for" << q->name() << "without a containment!";
appletConfig = KConfigGroup(KGlobal::config(), "Applets");
}
if (package && !appletConfig.hasGroup(QString::number(appletId))) {
newGroup = true;
}
mainConfig = new KConfigGroup(&appletConfig, QString::number(appletId));
}
if (newGroup) {
//see if we have a default configuration in our package
const QString defaultConfigFile = q->package()->filePath("defaultconfig");
if (!defaultConfigFile.isEmpty()) {
kDebug() << "copying default config: " << q->package()->filePath("defaultconfig");
KConfigGroup defaultConfig(KSharedConfig::openConfig(defaultConfigFile)->group("Configuration"));
defaultConfig.copyTo(mainConfig);
}
}
return mainConfig;
}
QString AppletPrivate::visibleFailureText(const QString &reason)
{
QString text;
if (reason.isEmpty()) {
text = i18n("This object could not be created.");
} else {
text = i18n("This object could not be created for the following reason:<p><b>%1</b></p>", reason);
}
return text;
}
void AppletPrivate::themeChanged()
{
if (background) {
//do again the translucent background fallback
q->setBackgroundHints(backgroundHints);
qreal left;
qreal right;
qreal top;
qreal bottom;
background->getMargins(left, top, right, bottom);
q->setContentsMargins(left, right, top, bottom);
}
q->update();
}
void AppletPrivate::resetConfigurationObject()
{
// make sure mainConfigGroup exists in all cases
mainConfigGroup();
mainConfig->deleteGroup();
delete mainConfig;
mainConfig = 0;
Corona * corona = qobject_cast<Corona*>(q->scene());
if (corona) {
corona->requireConfigSync();
}
}
uint AppletPrivate::s_maxAppletId = 0;
int AppletPrivate::s_maxZValue = 0;
int AppletPrivate::s_minZValue = 0;
PackageStructure::Ptr AppletPrivate::packageStructure(0);
QSet<QString> AppletPrivate::s_customCategories;
AppletOverlayWidget::AppletOverlayWidget(QGraphicsWidget *parent)
: QGraphicsWidget(parent),
opacity(0.4)
{
resize(parent->size());
}
void AppletOverlayWidget::destroy()
{
Animation *anim = Plasma::Animator::create(Plasma::Animator::DisappearAnimation);
if (anim) {
connect(anim, SIGNAL(finished()), this, SLOT(overlayAnimationComplete()));
anim->setTargetWidget(this);
anim->start();
} else {
overlayAnimationComplete();
}
}
void AppletOverlayWidget::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
event->accept();
}
void AppletOverlayWidget::overlayAnimationComplete()
{
if (scene()) {
scene()->removeItem(this);
}
deleteLater();
}
void AppletOverlayWidget::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
if (qFuzzyCompare(1, 1+opacity)) {
return;
}
QColor wash = Plasma::Theme::defaultTheme()->color(Theme::BackgroundColor);
wash.setAlphaF(opacity);
Applet *applet = qobject_cast<Applet *>(parentWidget());
QPainterPath backgroundShape;
if (!applet || applet->backgroundHints() & Applet::StandardBackground) {
//FIXME: a resize here is nasty, but perhaps still better than an eventfilter just for that..
if (parentWidget()->contentsRect().size() != size()) {
resize(parentWidget()->contentsRect().size());
}
backgroundShape = PaintUtils::roundedRectangle(contentsRect(), 5);
} else {
backgroundShape = shape();
}
painter->setRenderHints(QPainter::Antialiasing);
painter->fillPath(backgroundShape, wash);
}
#if QT_VERSION >= 0x040700
// in QGraphicsWidget now; preserve BC by implementing it as a protected method
void Applet::geometryChanged()
{
emit QGraphicsWidget::geometryChanged();
}
#endif
} // Plasma namespace
#include "applet.moc"
#include "private/applet_p.moc"
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