/* * Copyright 2005 by Aaron Seigo * Copyright 2007 by Riccardo Iaconelli * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "plasma/configxml.h" #include "plasma/containment.h" #include "plasma/corona.h" #include "plasma/dataenginemanager.h" #include "plasma/package.h" #include "plasma/packages_p.h" #include "plasma/plasma.h" #include "plasma/scriptengine.h" #include "plasma/shadowitem_p.h" #include "plasma/svg.h" #include "plasma/theme.h" #include "plasma/view.h" #include "plasma/layouts/boxlayout.h" #include "plasma/widgets/widget.h" #include "plasma/widgets/lineedit.h" #include "plasma/widgets/pushbutton.h" //#define DYNAMIC_SHADOWS namespace Plasma { class Applet::Private { public: Private(KService::Ptr service, int uniqueID) : appletId(uniqueID), appletDescription(service), package(0), background(0), failureText(0), scriptEngine(0), configXml(0), shadow(0), cachedBackground(0), mainConfig(0), pendingConstraints(NoConstraint), kioskImmutable(false), immutable(false), hasConfigurationInterface(false), failed(false), needsConfig(false), isContainment(false) { if (appletId == 0) { appletId = nextId(); } if (appletId > s_maxAppletId) { s_maxAppletId = appletId; } } ~Private() { foreach ( const QString& engine, loadedEngines ) { DataEngineManager::self()->unloadDataEngine( engine ); } delete background; delete package; delete configXml; delete shadow; delete cachedBackground; delete mainConfig; } void init(Applet* applet) { // WARNING: do not access config() OR globalConfig() in this method! // that requires a scene, which is not available at this point applet->setAcceptsHoverEvents(true); applet->setZValue(100); if (!appletDescription.isValid()) { applet->setFailedToLaunch(true); return; } QString language = appletDescription.property("X-Plasma-Language").toString(); // we have a scripted plasmoid if (!language.isEmpty()) { // find where the Package is QString path = KStandardDirs::locate("appdata", "plasmoids/" + appletDescription.pluginName() + '/'); if (path.isEmpty()) { applet->setFailedToLaunch(true, i18n("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; package = new Package(path, PlasmoidStructure()); 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 scriptEngine = ScriptEngine::load(language, applet); if (!scriptEngine) { delete package; package = 0; applet->setFailedToLaunch(true, i18n("Could not create a %1 ScriptEngine for the %2 widget.", language, appletDescription.name())); } } else { applet->setFailedToLaunch(true, i18n("Could not open the %1 package required for the %2 widget.", appletDescription.pluginName(), appletDescription.name())); delete package; package = 0; } if (package) { setupScriptSupport(applet); } } } applet->setDrawStandardBackground(true); } // put all setup routines for script here. at this point we can assume that // package exists and that we have a script engin void setupScriptSupport(Applet* applet) { Q_ASSERT(package); QString xmlPath = package->filePath("mainconfigxml"); if (!xmlPath.isEmpty()) { QFile file(xmlPath); // FIXME: KConfigSkeleton doesn't play well with KConfigGroup =/ KConfigGroup config = applet->config(); configXml = new ConfigXml(&config, &file); } if (!package->filePath("mainconfigui").isEmpty()) { applet->setHasConfigurationInterface(true); } } void paintBackground(QPainter* p2, Applet* q, QRectF paintRect) { if (q->formFactor() != Plasma::Planar) { // we don't paint special backgrounds for other form factors // if that changes in the future, this method is where such // background painting code should be added return; } // TODO: caching these values might be an idea const int topHeight = background->elementSize("top").height(); const int leftWidth = background->elementSize("left").width(); const int topOffset = 0 - topHeight; const int leftOffset = 0 - leftWidth; if (!cachedBackground || cachedBackground->size() != q->boundingRect().toRect().size()) { QSize contents = contentSize(q).toSize(); const int contentWidth = contents.width(); const int contentHeight = contents.height(); background->resize(); const int topWidth = background->elementSize("top").width(); const int leftHeight = background->elementSize("left").height(); const int rightWidth = background->elementSize("right").width(); const int bottomHeight = background->elementSize("bottom").height(); // contents top-left corner is (0,0). We need to draw up and left of that const int rightOffset = contentWidth; const int bottomOffset = contentHeight; const int contentTop = 0; const int contentLeft = 0; delete cachedBackground; cachedBackground = new QPixmap(leftWidth + contentWidth + rightWidth, topHeight + contentHeight + bottomHeight); cachedBackground->fill(Qt::transparent); QPainter p(cachedBackground); p.translate(leftWidth, topHeight); p.setCompositionMode(QPainter::CompositionMode_Source); p.setRenderHint(QPainter::SmoothPixmapTransform); //FIXME: This is a hack to fix a drawing problems with svg files where a thin transparent border is drawn around the svg image. // the transparent border around the svg seems to vary in size depending on the size of the svg and as a result increasing the // svn image by 2 all around didn't resolve the issue. For now it resizes based on the border size. background->resize(contentWidth, contentHeight); background->paint(&p, QRect(contentLeft-leftWidth, contentTop-topHeight, contentWidth+leftWidth*2, contentHeight+topHeight*2), "center"); background->resize(); background->paint(&p, QRect(leftOffset, topOffset, leftWidth, topHeight), "topleft"); background->paint(&p, QRect(rightOffset, topOffset,rightWidth, topHeight), "topright"); background->paint(&p, QRect(leftOffset, bottomOffset, leftWidth, bottomHeight), "bottomleft"); background->paint(&p, QRect(rightOffset, bottomOffset, rightWidth, bottomHeight), "bottomright"); if (background->elementExists("hint-stretch-borders")) { background->paint(&p, QRect(leftOffset, contentTop, leftWidth, contentHeight), "left"); background->paint(&p, QRect(rightOffset, contentTop, rightWidth, contentHeight), "right"); background->paint(&p, QRect(contentLeft, topOffset, contentWidth, topHeight), "top"); background->paint(&p, QRect(contentLeft, bottomOffset, contentWidth, bottomHeight), "bottom"); } else { QPixmap left(leftWidth, leftHeight); left.fill(Qt::transparent); { QPainter sidePainter(&left); sidePainter.setCompositionMode(QPainter::CompositionMode_Source); background->paint(&sidePainter, QPoint(0, 0), "left"); } p.drawTiledPixmap(QRect(leftOffset, contentTop, leftWidth, contentHeight), left); QPixmap right(rightWidth, leftHeight); right.fill(Qt::transparent); { QPainter sidePainter(&right); sidePainter.setCompositionMode(QPainter::CompositionMode_Source); background->paint(&sidePainter, QPoint(0, 0), "right"); } p.drawTiledPixmap(QRect(rightOffset, contentTop, rightWidth, contentHeight), right); QPixmap top(topWidth, topHeight); top.fill(Qt::transparent); { QPainter sidePainter(&top); sidePainter.setCompositionMode(QPainter::CompositionMode_Source); background->paint(&sidePainter, QPoint(0, 0), "top"); } p.drawTiledPixmap(QRect(contentLeft, topOffset, contentWidth, topHeight), top); QPixmap bottom(topWidth, bottomHeight); bottom.fill(Qt::transparent); { QPainter sidePainter(&bottom); sidePainter.setCompositionMode(QPainter::CompositionMode_Source); background->paint(&sidePainter, QPoint(0, 0), "bottom"); } p.drawTiledPixmap(QRect(contentLeft, bottomOffset, contentWidth, bottomHeight), bottom); } // re-enable this once Qt's svg rendering is un-buggered //background->resize(contentWidth, contentHeight); //background->paint(&p, QRect(contentLeft, contentTop, contentWidth, contentHeight), "center"); } p2->drawPixmap(paintRect, *cachedBackground, paintRect.translated(-leftOffset,-topOffset)); } QSizeF contentSize(const Applet* q) { if (failureText) { return failureText->geometry().size(); } return q->contentSize(); } static uint nextId() { ++s_maxAppletId; return s_maxAppletId; } QString instanceName() { if (!appletDescription.isValid()) { return QString(); } return appletDescription.service()->library() + QString::number(appletId); } void getBorderSize(int& left , int& top, int &right, int& bottom) { if (background) { top = background->elementSize("top").height(); left = background->elementSize("left").width(); right = background->elementSize("right").width(); bottom = background->elementSize("bottom").height(); } else { top = left = right = bottom = 0; } } void scheduleConstraintsUpdate(Plasma::Constraints c, Applet* applet) { if (pendingConstraints == NoConstraint) { QTimer::singleShot(0, applet, SLOT(flushUpdatedConstraints())); } pendingConstraints |= c; } KConfigGroup* mainConfigGroup(const Applet* q) { if (mainConfig) { return mainConfig; } if (isContainment) { const Containment *asContainment = qobject_cast(const_cast(q)); Q_ASSERT(asContainment); KConfigGroup containmentConfig; //kDebug() << "got a corona, baby?" << (QObject*)asContainment->corona(); if (asContainment->corona()) { containmentConfig = KConfigGroup(asContainment->corona()->config(), "Containments"); } else { containmentConfig = KConfigGroup(KGlobal::config(), "Containments"); } mainConfig = new KConfigGroup(&containmentConfig, QString::number(appletId)); } else { KConfigGroup appletConfig; if (q->containment()) { appletConfig = q->containment()->config(); appletConfig = KConfigGroup(&appletConfig, "Applets"); } else { kWarning() << "requesting config for" << q->name() << "without a containment!"; appletConfig = KConfigGroup(KGlobal::config(), "Applets"); } mainConfig = new KConfigGroup(&appletConfig, QString::number(appletId)); } return mainConfig; } //TODO: examine the usage of memory here; there's a pretty large // number of members at this point. uint appletId; KPluginInfo appletDescription; Package* package; QList watchedForFocus; QStringList loadedEngines; static uint s_maxAppletId; Plasma::Svg *background; Plasma::LineEdit *failureText; ScriptEngine* scriptEngine; ConfigXml* configXml; ShadowItem* shadow; QPixmap* cachedBackground; KConfigGroup *mainConfig; Plasma::Constraints pendingConstraints; bool kioskImmutable : 1; bool immutable : 1; bool hasConfigurationInterface : 1; bool failed : 1; bool needsConfig : 1; bool isContainment : 1; }; uint Applet::Private::s_maxAppletId = 0; Applet::Applet(QGraphicsItem *parent, const QString& serviceID, uint appletId) : Widget(parent), d(new Private(KService::serviceByStorageId(serviceID), appletId)) { // WARNING: do not access config() OR globalConfig() in this method! // that requires a scene, which is not available at this point d->init(this); } Applet::Applet(QObject* parentObject, const QVariantList& args) : Widget(0,parentObject), d(new Private(KService::serviceByStorageId(args.count() > 0 ? args[0].toString() : QString()), args.count() > 1 ? args[1].toInt() : 0)) { // WARNING: do not access config() OR globalConfig() in this method! // that requires a scene, which is not available at this point d->init(this); // the brain damage seen in the initialization list is due to the // inflexibility of KService::createInstance } Applet::~Applet() { needsFocus(false); delete d; } void Applet::init() { } uint Applet::id() const { return d->appletId; } void Applet::save(KConfigGroup* group) const { // we call the dptr member directly for locked since isImmutable() // also checks kiosk and parent containers group->writeEntry("locked", d->immutable); group->writeEntry("plugin", pluginName()); //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(); group->writeEntry("geometry", geometry()); if (transform() == QTransform()) { group->deleteEntry("transform"); } else { QList 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); } void Applet::saveState(KConfigGroup* group) const { Q_UNUSED(group) } KConfigGroup Applet::config(const QString &group) const { KConfigGroup cg = config(); return KConfigGroup(&cg, group); } KConfigGroup Applet::config() const { if (d->isContainment) { return *(d->mainConfigGroup(this)); } return KConfigGroup(d->mainConfigGroup(this), "Configuration"); } KConfigGroup Applet::globalConfig() const { KConfigGroup globalAppletConfig; if (containment() && containment()->corona()) { KSharedConfig::Ptr coronaConfig = containment()->corona()->config(); globalAppletConfig = KConfigGroup(coronaConfig, "AppletGlobals"); } else { globalAppletConfig = KConfigGroup(KGlobal::config(), "AppletGlobals"); } return KConfigGroup(&globalAppletConfig, globalName()); } void Applet::destroy() { //kDebug() << "???????????????? DESTROYING APPLET" << name() << " ???????????????????????????"; if (d->configXml) { d->configXml->setDefaults(); } resetConfigurationObject(); deleteLater(); } void Applet::resetConfigurationObject() { d->mainConfigGroup(this)->deleteGroup(); delete d->mainConfig; d->mainConfig = 0; } ConfigXml* Applet::configXml() const { return d->configXml; } DataEngine* Applet::dataEngine(const QString& name) const { int index = d->loadedEngines.indexOf(name); if (index != -1) { return DataEngineManager::self()->dataEngine(name); } DataEngine* engine = DataEngineManager::self()->loadDataEngine(name); if (engine->isValid()) { d->loadedEngines.append(name); } return engine; } const Package* Applet::package() const { return d->package; } void Applet::updateConstraints(Plasma::Constraints constraints) { d->scheduleConstraintsUpdate(constraints, this); } void Applet::constraintsUpdated(Plasma::Constraints constraints) { Q_UNUSED(constraints) //kDebug() << constraints << "constraints are FormFactor: " << formFactor() << ", Location: " << location(); } QString Applet::name() const { if (!d->appletDescription.isValid()) { return i18n("Unknown Applet"); } return d->appletDescription.name(); } 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 { return Solid::PowerManagement::appShouldConserveResources(); } QString Applet::category() const { if (!d->appletDescription.isValid()) { return i18n("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(); } 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(); } bool Applet::isImmutable() const { return d->immutable || d->kioskImmutable || (containment() && containment()->isImmutable()) || (dynamic_cast( scene() ) && static_cast(scene())->isImmutable()); } bool Applet::isKioskImmutable() const { return d->kioskImmutable; } void Applet::setImmutable(bool immutable) { if (d->immutable == immutable) { return; } d->immutable = immutable; // TODO: should we tell the applets too? updateConstraints(ImmutableConstraint); } bool Applet::drawStandardBackground() { return d->background != 0; } void Applet::setDrawStandardBackground(bool drawBackground) { if (drawBackground) { if (!d->background) { d->background = new Plasma::Svg("widgets/background"); updateGeometry(); } } else if (d->background) { delete d->background; d->background = 0; updateGeometry(); } } bool Applet::failedToLaunch() const { return d->failed; } QString 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:

%1

", reason); } return text; } void Applet::setFailedToLaunch(bool failed, const QString& reason) { if (d->failed == failed) { if (d->failureText) { d->failureText->setHtml(visibleFailureText(reason)); setGeometry(QRectF(geometry().topLeft(), d->failureText->sizeHint())); } return; } d->failed = failed; prepareGeometryChange(); d->failureText = 0; qDeleteAll(QGraphicsItem::children()); delete layout(); if (failed) { setDrawStandardBackground(true); Layout* failureLayout = new BoxLayout(BoxLayout::TopToBottom, this); failureLayout->setMargin(0); d->failureText = new LineEdit(this); d->failureText->setStyled(false); d->failureText->document()->setTextWidth(200); d->failureText->setHtml(visibleFailureText(reason)); //FIXME: this needs to get the colour from the theme's colour scheme d->failureText->setDefaultTextColor(KStatefulBrush(KColorScheme::Window, KColorScheme::NormalText, Theme::self()->colors()) .brush(QPalette::Normal).color()); failureLayout->addItem(d->failureText); setGeometry(QRectF(geometry().topLeft(), d->failureText->sizeHint())); } update(); } bool Applet::needsConfiguring() const { return d->needsConfig; } void Applet::setNeedsConfiguring(bool needsConfig) { if (d->needsConfig == needsConfig) { return; } d->needsConfig = needsConfig; prepareGeometryChange(); qDeleteAll(QGraphicsItem::children()); delete layout(); if (needsConfig) { setDrawStandardBackground(true); Layout* layout = new BoxLayout(BoxLayout::TopToBottom,this); PushButton* button = new PushButton(this); button->setText(i18n("Configure...")); connect(button, SIGNAL(clicked()), this, SLOT(performSetupConfig())); layout->addItem(button); } } void Applet::performSetupConfig() { qDeleteAll(QGraphicsItem::children()); delete layout(); showConfigurationInterface(); } void Applet::checkImmutability() { d->kioskImmutable = globalConfig().isImmutable() || config().isImmutable() || (containment() && containment()->isKioskImmutable()) || (dynamic_cast( scene() ) && static_cast(scene())->isKioskImmutable()); setImmutable(d->kioskImmutable); } void Applet::flushUpdatedConstraints() { if (d->pendingConstraints == NoConstraint) { return; } //kDebug() << "fushing constraints: " << d->pendingConstraints << "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"; Plasma::Constraints c = d->pendingConstraints; d->pendingConstraints = NoConstraint; Containment* containment = qobject_cast(this); if (c & Plasma::FormFactorConstraint) { FormFactor f = formFactor(); setShadowShown(f == Planar); setDrawStandardBackground(!containment && f != Vertical && f != Horizontal); } if (isContainment() && containment) { containment->containmentConstraintsUpdated(c); } constraintsUpdated(c); if (layout()) { layout()->updateGeometry(); } } int Applet::type() const { return Type; } QRectF Applet::boundingRect() const { QRectF rect = QRectF(QPointF(0,0), d->contentSize(this)); int left; int right; int top; int bottom; d->getBorderSize(left,top,right,bottom); //kDebug() << "Background , Border size" << d->background << left << top << right << bottom; return rect.adjusted(-left,-top,right,bottom); } QSizeF Applet::sizeHint() const { int left = 0; int right = 0; int top = 0; int bottom = 0; d->getBorderSize(left, top, right, bottom); QSizeF borderSize = QSizeF(left + right, top + bottom); //kDebug() << "Applet content size hint: " << contentSizeHint() << "plus our borders" << left << right << top << bottom; return contentSizeHint() + QSizeF(left + right, top + bottom); } QList Applet::contextActions() { kDebug() << "empty context actions"; return QList(); } QColor Applet::color() const { // TODO: add more colors for more categories and // maybe read from config? QString c = category(); int alpha = 200; // Colors taken from Oxygen color palette if (c == "Date and Time") { return QColor(191, 94, 0, alpha); } else if (c == "Environment & Weather") { return QColor(191, 0, 0, alpha); } else if (c == "Examples") { return QColor(204, 0, 154, alpha); } else if (c == "File System") { return QColor(90, 0, 179, alpha); } else if (c == "Graphics") { return QColor(0, 0, 255, alpha); } else if (c == "Language") { return QColor(0, 191, 0, alpha); } else if (c == "Mapping") { return QColor(191, 245, 0, alpha); } else if (c == "Online Services") { return QColor(255, 213, 0, alpha); } else if (c == "System Information") { return QColor(0, 196, 204, alpha); } else if (c == "Windows and Tasks") { return QColor(255, 126, 0, alpha); } else { return QColor(136, 136, 136, alpha); } } void Applet::paintWidget(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { Q_UNUSED(widget) if (d->shadow && d->shadow->shadowedSize() != boundingRect().size()) { //kDebug() << "sizes are " << d->shadow->shadowedSize() << boundingRect().size(); d->shadow->generate(); } painter->save(); if (transform().isRotating()) { painter->setRenderHint(QPainter::SmoothPixmapTransform); painter->setRenderHint(QPainter::Antialiasing); } if (d->background) { //kDebug() << "option rect is" << option->rect; d->paintBackground(painter, this, option->rect); } if (!d->failed && !d->needsConfig) { if (widget && isContainment()) { // note that the widget we get is actually the viewport of the view, not the view itself View* v = qobject_cast(widget->parent()); if (v && !v->drawWallpaper()) { painter->restore(); return; } } //kDebug() << "paint interface of" << (QObject*) this; paintInterface(painter, option, QRect(QPoint(0,0), d->contentSize(this).toSize())); } painter->restore(); } void Applet::paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option, const QRect & contentsRect) { Q_UNUSED(contentsRect) if (d->scriptEngine) { d->scriptEngine->paintInterface(painter, option, contentsRect); } else { //kDebug() << "Applet::paintInterface() default impl"; } } FormFactor Applet::formFactor() const { Containment* c = containment(); return c ? c->formFactor() : Plasma::Planar; } Containment* Applet::containment() const { QGraphicsItem *parent = parentItem(); Containment *c = 0; while (parent) { if ((c = dynamic_cast(parent))) { break; } parent = parent->parentItem(); } return c; } Location Applet::location() const { Containment* c = containment(); if (!c) { return Plasma::Desktop; } return c->location(); } QRectF Applet::contentRect() const { return QRectF(QPointF(0, 0), contentSize()); } QSizeF Applet::contentSize() const { int top, left, right, bottom; d->getBorderSize(left, top, right, bottom); // kDebug() << "Geometry size: " << geometry().size(); // kDebug() << "Borders: " << left << top << right << bottom; return (geometry().size() - QSizeF(left + right, top + bottom)).expandedTo(QSizeF(0, 0)); } void Applet::setContentSize(const QSizeF &size) { int top, left, right, bottom; d->getBorderSize(left, top, right, bottom); resize(size + QSizeF(left + right, top + bottom)); } void Applet::setContentSize(int width, int height) { setContentSize(QSizeF(width, height)); } QSizeF Applet::contentSizeHint() const { if (layout()) { return layout()->sizeHint(); } return contentSize(); } void Applet::setMinimumContentSize(const QSizeF &minSize) { int top, left, right, bottom; d->getBorderSize(left, top, right, bottom); setMinimumSize(minSize + QSizeF(left + right, top + bottom)); } void Applet::setMinimumContentSize(int minWidth, int minHeight) { setMinimumContentSize(QSizeF(minWidth, minHeight)); } QSizeF Applet::minimumContentSize() const { int top, left, right, bottom; d->getBorderSize(left, top, right, bottom); return minimumSize() - QSizeF(left + right, top + bottom); } void Applet::setMaximumContentSize(const QSizeF &maxSize) { int top, left, right, bottom; d->getBorderSize(left, top, right, bottom); setMaximumSize(maxSize + QSizeF(left + right, top + bottom)); } void Applet::setMaximumContentSize(int maxWidth, int maxHeight) { setMaximumContentSize(QSizeF(maxWidth, maxHeight)); } QSizeF Applet::maximumContentSize() const { int top, left, right, bottom; d->getBorderSize(left, top, right, bottom); return maximumSize() - QSizeF(left + right, top + bottom); } QString Applet::globalName() const { if (!d->appletDescription.isValid()) { return QString(); } return d->appletDescription.service()->library(); } QString Applet::instanceName() const { return d->instanceName(); } void Applet::watchForFocus(QObject *widget, bool watch) { if ( !widget ) { return; } int index = d->watchedForFocus.indexOf(widget); if ( watch ) { if ( index == -1 ) { d->watchedForFocus.append( widget ); widget->installEventFilter( this ); } } else if ( index != -1 ) { d->watchedForFocus.removeAt( index ); widget->removeEventFilter( this ); } } void Applet::needsFocus(bool focus) { if (focus == QGraphicsItem::hasFocus()) { return; } emit requestFocus(focus); } bool Applet::hasConfigurationInterface() { return d->hasConfigurationInterface; } void Applet::setHasConfigurationInterface(bool hasInterface) { d->hasConfigurationInterface = hasInterface; } bool Applet::eventFilter( QObject *o, QEvent * e ) { if ( !d->watchedForFocus.contains( o ) ) { if ( e->type() == QEvent::MouseButtonRelease || e->type() == QEvent::FocusIn ) { needsFocus( true ); } else if ( e->type() == QEvent::FocusOut ) { needsFocus( false ); } } return QObject::eventFilter(o, e); } void Applet::showConfigurationInterface() { if (d->package && d->configXml) { QString uiFile = d->package->filePath("mainconfigui"); if (uiFile.isEmpty()) { return; } KConfigDialog *dialog = new KConfigDialog(0, "", d->configXml); dialog->setWindowTitle(i18n("%1 Settings", name())); dialog->setAttribute(Qt::WA_DeleteOnClose, true); QUiLoader loader; QString filename = d->package->filePath("mainconfigui"); QFile f(filename); if (!f.open(QIODevice::ReadOnly)) { delete dialog; return; } QWidget *w = loader.load(&f); f.close(); dialog->addPage(w, i18n("Settings"), icon(), i18n("%1 Settings", name())); dialog->show(); } } KPluginInfo::List Applet::knownApplets(const QString &category, const QString &parentApp) { QString constraint; if (parentApp.isEmpty()) { constraint.append("not exist [X-KDE-ParentApp]"); } else { constraint.append("[X-KDE-ParentApp] == '").append(parentApp).append("'"); } if (!category.isEmpty()) { if (!constraint.isEmpty()) { constraint.append(" and "); } constraint.append("[X-KDE-PluginInfo-Category] == '").append(category).append("'"); if (category == "Miscellaneous") { constraint.append(" or (not exist [X-KDE-PluginInfo-Category] or [X-KDE-PluginInfo-Category] == '')"); } } KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint); //kDebug() << "Applet::knownApplets constraint was '" << constraint << "' which got us " << offers.count() << " matches"; return KPluginInfo::fromServices(offers); } KPluginInfo::List Applet::knownAppletsForMimetype(const QString &mimetype) { QString constraint = QString("'%1' in MimeTypes").arg(mimetype); //kDebug() << "knownAppletsForMimetype with" << mimetype << constraint; KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint); return KPluginInfo::fromServices(offers); } QStringList Applet::knownCategories(const QString &parentApp, bool visibleOnly) { QString constraint = "exist [X-KDE-PluginInfo-Category]"; if (parentApp.isEmpty()) { constraint.append(" and not exist [X-KDE-ParentApp]"); } else { constraint.append(" and [X-KDE-ParentApp] == '").append(parentApp).append("'"); } KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint); QStringList categories; 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()) { if (!categories.contains(i18n("Miscellaneous"))) { categories << i18n("Miscellaneous"); } } else if (!categories.contains(appletCategory)) { categories << appletCategory; } } categories.sort(); return categories; } Applet* Applet::loadApplet(const QString& appletName, uint appletId, const QVariantList& args) { if (appletName.isEmpty()) { return 0; } QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(appletName); KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint); if (offers.isEmpty()) { //TODO: what would be -really- cool is offer to try and download the applet // from the network at this point kDebug() << "Applet::loadApplet: offers is empty for \"" << appletName << "\""; return 0; } /* else if (offers.count() > 1) { kDebug() << "hey! we got more than one! let's blindly take the first one"; } */ KService::Ptr offer = offers.first(); if (appletId == 0) { appletId = Private::nextId(); } if (!offer->property("X-Plasma-Language").toString().isEmpty()) { kDebug() << "we have a script in the language of" << offer->property("X-Plasma-Language").toString(); Applet *applet = new Applet(0, offer->storageId(), appletId); return applet; } QVariantList allArgs; allArgs << offer->storageId() << appletId << args; QString error; Applet* applet = offer->createInstance(0, allArgs, &error); if (!applet) { kDebug() << "Couldn't load applet \"" << appletName << "\"! reason given: " << error; } return applet; } Applet* Applet::loadApplet(const KPluginInfo& info, uint appletId, const QVariantList& args) { if (!info.isValid()) { return 0; } return loadApplet(info.pluginName(), appletId, args); } void Applet::setShadowShown(bool shown) { //There are various problems with shadows right now: // //1) shadows can be seen through translucent areas, which is probably technically correct ubt //looks odd //2) the shape of the item odesn't conform to the shape of the standard background, e.g. with //rounded corners #ifdef DYNAMIC_SHADOWS if (shown) { if (d->shadow) { d->shadow->setVisible(true); } else { d->shadow = new ShadowItem(this); if (scene()) { scene()->addItem(d->shadow); d->shadow->show(); } } } else { delete d->shadow; d->shadow = 0; } #else Q_UNUSED(shown); #endif } bool Applet::isShadowShown() const { return d->shadow && d->shadow->isVisible(); } QVariant Applet::itemChange(GraphicsItemChange change, const QVariant &value) { switch (change) { case ItemPositionChange: if (d->shadow) { d->shadow->adjustPosition(); } break; case ItemSceneChange: { QGraphicsScene *newScene = qvariant_cast(value); if (newScene) { // checking immutability requires having a working config object // Applet relies on having a Corona scene to be able to get the // correct config. so we have to wait until we have the scene, // otherwise we trigger premature creation of the config objects QTimer::singleShot(0, this, SLOT(checkImmutability())); } if (d->shadow) { if (d->shadow->scene()) { d->shadow->scene()->removeItem(d->shadow); } if (newScene) { newScene->addItem(d->shadow); d->shadow->generate(); d->shadow->adjustPosition(); d->shadow->show(); } } } break; case ItemVisibleChange: if (d->shadow) { d->shadow->setVisible(isVisible()); } break; default: break; }; return Widget::itemChange(change, value); } void Applet::setGeometry(const QRectF& geometry) { Plasma::Constraints updatedConstraints(0); if (geometry.size().width() > 0 && geometry.size().height() > 0 && size() != geometry.size()) { prepareGeometryChange(); qreal width = qBound(minimumSize().width(), geometry.size().width(), maximumSize().width()); qreal height = qBound(minimumSize().height(), geometry.size().height(), maximumSize().height()); setSize(QSizeF(width, height)); if (layout()) { layout()->setGeometry(QRectF(QPoint(0, 0), contentSize())); } if (managingLayout()) { managingLayout()->invalidate(); } updatedConstraints |= Plasma::SizeConstraint; } if (geometry.topLeft() != pos()) { setPos(geometry.topLeft()); updatedConstraints |= Plasma::LocationConstraint; } if (updatedConstraints) { updateConstraints(updatedConstraints); emit geometryChanged(); update(); } } void Applet::setIsContainment(bool isContainment) { d->isContainment = isContainment; } bool Applet::isContainment() const { return d->isContainment; } } // Plasma namespace #include "applet.moc"