487 lines
16 KiB
C++
487 lines
16 KiB
C++
/*
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* Copyright 2005 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2007 by Riccardo Iaconelli <riccardo@kde.org>
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* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
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* Copyright (c) 2009 Chani Armitage <chani@kde.org>
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* Copyright 2012 by Marco Martin <mart@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "private/applet_p.h"
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#include <config-plasma.h>
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#include <QFile>
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#include <QHostInfo>
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#include <QVBoxLayout>
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#include <qstandardpaths.h>
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#include <kaction.h>
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#include <kdebug.h>
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#include <kiconloader.h>
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#include <klocale.h>
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#include <klocalizedstring.h>
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#include <kkeysequencewidget.h>
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#include <kstandarddirs.h>
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#include <kglobal.h>
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#include "containment.h"
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#include "corona.h"
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#include "pluginloader.h"
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#include "scripting/scriptengine.h"
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#include "scripting/appletscript.h"
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#include "private/containment_p.h"
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namespace Plasma
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{
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AppletPrivate::AppletPrivate(KService::Ptr service, const KPluginInfo *info, int uniqueID, Applet *applet)
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: appletId(uniqueID),
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q(applet),
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immutability(Mutable),
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appletDescription(info ? *info : KPluginInfo(service)),
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mainConfig(0),
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pendingConstraints(NoConstraint),
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script(0),
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package(0),
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configLoader(0),
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actions(AppletPrivate::defaultActions(applet)),
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activationAction(0),
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itemStatus(UnknownStatus),
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modificationsTimer(0),
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hasConfigurationInterface(false),
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failed(false),
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isContainment(false),
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transient(false),
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needsConfig(false),
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started(false)
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{
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if (appletId == 0) {
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appletId = ++s_maxAppletId;
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} else if (appletId > s_maxAppletId) {
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s_maxAppletId = appletId;
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}
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}
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AppletPrivate::~AppletPrivate()
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{
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if (activationAction && activationAction->isGlobalShortcutEnabled()) {
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//kDebug() << "reseting global action for" << q->title() << activationAction->objectName();
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activationAction->forgetGlobalShortcut();
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}
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delete script;
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script = 0;
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delete package;
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package = 0;
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delete configLoader;
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configLoader = 0;
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delete mainConfig;
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mainConfig = 0;
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delete modificationsTimer;
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}
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void AppletPrivate::init(const QString &packagePath)
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{
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// WARNING: do not access config() OR globalConfig() in this method!
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// that requires a scene, which is not available at this point
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q->setHasConfigurationInterface(true); //FIXME why not default it to true in the constructor?
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QAction *closeApplet = actions->action("remove");
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if (closeApplet) {
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closeApplet->setText(i18nc("%1 is the name of the applet", "Remove this %1", q->title()));
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}
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QAction *configAction = actions->action("configure");
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if (configAction) {
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configAction->setText(i18nc("%1 is the name of the applet", "%1 Settings", q->title()));
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}
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QObject::connect(q, SIGNAL(activate()), q, SLOT(setFocus()));
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if (!appletDescription.isValid()) {
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#ifndef NDEBUG
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kDebug() << "Check your constructor! "
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<< "You probably want to be passing in a Service::Ptr "
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<< "or a QVariantList with a valid storageid as arg[0].";
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#endif
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return;
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}
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QString api = appletDescription.property("X-Plasma-API").toString();
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// we have a scripted plasmoid
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if (api.isEmpty()) {
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q->setLaunchErrorMessage(i18n("The %2 widget did not define which ScriptEngine to use.", appletDescription.name()));
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return;
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}
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const QString path = packagePath.isEmpty() ? appletDescription.pluginName() : packagePath;
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package = new Package(PluginLoader::self()->loadPackage("Plasma/Applet", api));
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package->setPath(path);
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if (!package->isValid()) {
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delete package;
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package = 0;
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q->setLaunchErrorMessage(i18nc("Package file, name of the widget",
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"Could not open the %1 package required for the %2 widget.",
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appletDescription.pluginName(), appletDescription.name()));
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return;
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}
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// create the package and see if we have something real
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//kDebug() << "trying for" << path;
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// now we try and set up the script engine.
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// it will be parented to this applet and so will get
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// deleted when the applet does
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script = Plasma::loadScriptEngine(api, q);
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if (!script) {
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delete package;
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package = 0;
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q->setLaunchErrorMessage(
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i18nc("API or programming language the widget was written in, name of the widget",
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"Could not create a %1 ScriptEngine for the %2 widget.",
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api, appletDescription.name()));
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}
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}
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void AppletPrivate::cleanUpAndDelete()
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{
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// reimplemented in the UI specific library
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}
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void AppletPrivate::showConfigurationRequiredMessage(bool show, const QString &reason)
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{
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// reimplemented in the UI specific library
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Q_UNUSED(show)
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Q_UNUSED(reason)
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}
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void AppletPrivate::globalShortcutChanged()
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{
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if (!activationAction) {
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return;
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}
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KConfigGroup shortcutConfig(mainConfigGroup(), "Shortcuts");
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shortcutConfig.writeEntry("global", activationAction->globalShortcut().toString());
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scheduleModificationNotification();
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//kDebug() << "after" << shortcut.primary() << d->activationAction->globalShortcut().primary();
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}
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KActionCollection* AppletPrivate::defaultActions(QObject *parent)
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{
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KActionCollection *actions = new KActionCollection(parent);
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actions->setConfigGroup("Shortcuts-Applet");
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KAction *configAction = actions->addAction("configure");
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configAction->setAutoRepeat(false);
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configAction->setText(i18n("Widget Settings"));
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configAction->setIcon(KDE::icon("configure"));
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configAction->setShortcut(KShortcut("alt+d, s"));
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configAction->setData(Containment::ConfigureTool);
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KAction *closeApplet = actions->addAction("remove");
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closeApplet->setAutoRepeat(false);
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closeApplet->setText(i18n("Remove this Widget"));
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closeApplet->setIcon(KDE::icon("edit-delete"));
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closeApplet->setShortcut(KShortcut("alt+d, r"));
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closeApplet->setData(Containment::DestructiveTool);
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KAction *runAssociatedApplication = actions->addAction("run associated application");
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runAssociatedApplication->setAutoRepeat(false);
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runAssociatedApplication->setText(i18n("Run the Associated Application"));
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runAssociatedApplication->setIcon(KDE::icon("system-run"));
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runAssociatedApplication->setShortcut(KShortcut("alt+d, t"));
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runAssociatedApplication->setVisible(false);
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runAssociatedApplication->setEnabled(false);
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runAssociatedApplication->setData(Containment::ControlTool);
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return actions;
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}
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QString AppletPrivate::configDialogId() const
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{
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return QString("%1settings%2").arg(appletId).arg(q->title());
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}
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QString AppletPrivate::configWindowTitle() const
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{
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return i18nc("@title:window", "%1 Settings", q->title());
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}
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KConfigDialog *AppletPrivate::generateGenericConfigDialog()
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{
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KConfigSkeleton *nullManager = new KConfigSkeleton(0);
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KConfigDialog *dialog = new AppletConfigDialog(0, configDialogId(), nullManager);
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nullManager->setParent(dialog);
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dialog->setFaceType(KPageDialog::Auto);
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dialog->setWindowTitle(configWindowTitle());
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dialog->setAttribute(Qt::WA_DeleteOnClose, true);
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q->createConfigurationInterface(dialog);
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dialog->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Apply | QDialogButtonBox::Cancel);
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QObject::connect(dialog->button(QDialogButtonBox::Apply), SIGNAL(clicked()), q, SLOT(configDialogFinished()));
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QObject::connect(dialog->button(QDialogButtonBox::Ok), SIGNAL(clicked()), q, SLOT(configDialogFinished()));
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return dialog;
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}
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void AppletPrivate::addStandardConfigurationPages(KConfigDialog *dialog)
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{
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addGlobalShortcutsPage(dialog);
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}
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void AppletPrivate::addGlobalShortcutsPage(KConfigDialog *dialog)
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{
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#if !PLASMA_NO_GLOBAL_SHORTCUTS
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if (isContainment) {
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return;
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}
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QWidget *page = new QWidget;
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QVBoxLayout *layout = new QVBoxLayout(page);
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if (!shortcutEditor) {
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shortcutEditor = new KKeySequenceWidget(page);
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QObject::connect(shortcutEditor.data(), SIGNAL(keySequenceChanged(QKeySequence)), dialog, SLOT(settingsModified()));
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}
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shortcutEditor.data()->setKeySequence(q->globalShortcut().primary());
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layout->addWidget(shortcutEditor.data());
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layout->addStretch();
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dialog->addPage(page, i18n("Keyboard Shortcut"), "preferences-desktop-keyboard");
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QObject::connect(dialog, SIGNAL(applyClicked()), q, SLOT(configDialogFinished()), Qt::UniqueConnection);
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QObject::connect(dialog, SIGNAL(okClicked()), q, SLOT(configDialogFinished()), Qt::UniqueConnection);
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#endif
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}
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void AppletPrivate::configDialogFinished()
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{
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if (shortcutEditor) {
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QKeySequence sequence = shortcutEditor.data()->keySequence();
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if (sequence != q->globalShortcut().primary()) {
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q->setGlobalShortcut(KShortcut(sequence));
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emit q->configNeedsSaving();
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}
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}
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if (!configLoader) {
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// the config loader will trigger this for us, so we don't need to.
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propagateConfigChanged();
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if (KConfigDialog *dialog = qobject_cast<KConfigDialog *>(q->sender())) {
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dialog->button(QDialogButtonBox::Apply)->setEnabled(false);
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}
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}
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}
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void AppletPrivate::updateShortcuts()
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{
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if (isContainment) {
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//a horrible hack to avoid clobbering corona settings
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//we pull them out, then read, then put them back
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QList<QString> names;
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QList<QAction*> qactions;
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names << "add sibling containment" << "configure shortcuts" << "lock widgets";
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foreach (const QString &name, names) {
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QAction *a = actions->action(name);
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actions->takeAction(a); //FIXME this is stupid, KActionCollection needs a takeAction(QString) method
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qactions << a;
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}
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actions->readSettings();
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for (int i = 0; i < names.size(); ++i) {
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QAction *a = qactions.at(i);
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if (a) {
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actions->addAction(names.at(i), a);
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}
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}
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} else {
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actions->readSettings();
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}
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}
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void AppletPrivate::propagateConfigChanged()
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{
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if (isContainment) {
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Containment *c = qobject_cast<Containment *>(q);
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if (c) {
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c->d->configChanged();
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}
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}
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q->configChanged();
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}
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void AppletPrivate::setIsContainment(bool nowIsContainment, bool forceUpdate)
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{
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if (isContainment == nowIsContainment && !forceUpdate) {
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return;
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}
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isContainment = nowIsContainment;
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//FIXME I do not like this function.
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//currently it's only called before ctmt/applet init, with (true,true), and I'm going to assume it stays that way.
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//if someone calls it at some other time it'll cause headaches. :P
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delete mainConfig;
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mainConfig = 0;
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Containment *c = q->containment();
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if (c) {
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c->d->checkContainmentFurniture();
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}
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}
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// put all setup routines for script here. at this point we can assume that
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// package exists and that we have a script engine
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void AppletPrivate::setupScriptSupport()
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{
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if (!package) {
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return;
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}
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#ifndef NDEBUG
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kDebug() << "setting up script support, package is in" << package->path()
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<< ", main script is" << package->filePath("mainscript");
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#endif
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const QString translationsPath = package->filePath("translations");
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if (!translationsPath.isEmpty()) {
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KGlobal::dirs()->addResourceDir("locale", translationsPath);
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KLocalizedString::insertCatalog(appletDescription.pluginName());
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}
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const QString xmlPath = package->filePath("mainconfigxml");
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if (!xmlPath.isEmpty()) {
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QFile file(xmlPath);
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KConfigGroup config = q->config();
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configLoader = new ConfigLoader(&config, &file);
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QObject::connect(configLoader, SIGNAL(configChanged()), q, SLOT(propagateConfigChanged()));
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}
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if (!package->filePath("mainconfigui").isEmpty()) {
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q->setHasConfigurationInterface(true);
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}
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}
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QString AppletPrivate::globalName() const
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{
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if (!appletDescription.isValid()) {
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return QString();
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}
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return appletDescription.service()->library();
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}
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void AppletPrivate::scheduleConstraintsUpdate(Plasma::Constraints c)
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{
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// Don't start up a timer if we're just starting up
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// flushPendingConstraints will be called by Corona
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if (started && !constraintsTimer.isActive() && !(c & Plasma::StartupCompletedConstraint)) {
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constraintsTimer.start(0, q);
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}
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if (c & Plasma::StartupCompletedConstraint) {
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started = true;
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}
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pendingConstraints |= c;
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}
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void AppletPrivate::scheduleModificationNotification()
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{
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// modificationsTimer is not allocated until we get our notice of being started
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if (modificationsTimer) {
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// schedule a save
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if (modificationsTimer->isActive()) {
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modificationsTimer->stop();
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}
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modificationsTimer->start(1000, q);
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}
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}
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KConfigGroup *AppletPrivate::mainConfigGroup()
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{
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if (mainConfig) {
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return mainConfig;
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}
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if (isContainment) {
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Corona *corona = static_cast<Containment*>(q)->corona();
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KConfigGroup containmentConfig;
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//kDebug() << "got a corona, baby?" << (QObject*)corona << (QObject*)q;
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if (corona) {
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containmentConfig = KConfigGroup(corona->config(), "Containments");
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} else {
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containmentConfig = KConfigGroup(KSharedConfig::openConfig(), "Containments");
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}
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mainConfig = new KConfigGroup(&containmentConfig, QString::number(appletId));
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} else {
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KConfigGroup appletConfig;
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Containment *c = q->containment();
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Applet *parentApplet = qobject_cast<Applet *>(q->parent());
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if (parentApplet && parentApplet != static_cast<Applet *>(c)) {
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// this applet is nested inside another applet! use it's config
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// as the parent group in the config
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appletConfig = parentApplet->config();
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appletConfig = KConfigGroup(&appletConfig, "Applets");
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} else if (c) {
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// applet directly in a Containment, as usual
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appletConfig = c->config();
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appletConfig = KConfigGroup(&appletConfig, "Applets");
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} else {
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kWarning() << "requesting config for" << q->title() << "without a containment!";
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appletConfig = KConfigGroup(KSharedConfig::openConfig(), "Applets");
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}
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mainConfig = new KConfigGroup(&appletConfig, QString::number(appletId));
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}
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return mainConfig;
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}
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void AppletPrivate::resetConfigurationObject()
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{
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// make sure mainConfigGroup exists in all cases
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mainConfigGroup();
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mainConfig->deleteGroup();
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delete mainConfig;
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mainConfig = 0;
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if (!q->containment()) {
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return;
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}
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Corona * corona = q->containment()->corona();
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if (corona) {
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corona->requireConfigSync();
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}
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}
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uint AppletPrivate::s_maxAppletId = 0;
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} //namespace Plasma
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