05834d8144
Conflicts: plasma/CMakeLists.txt plasma/abstractrunner.h plasma/animator.h plasma/glapplet.h plasma/package.h plasma/packagemetadata.h plasma/packagestructure.h plasma/tooltipcontent.cpp plasma/tooltipcontent.h plasma/wallpaper.h
640 lines
22 KiB
C++
640 lines
22 KiB
C++
/*
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* Copyright 2007 by Aaron Seigo <aseigo@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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*
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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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#ifndef PLASMA_CONTAINMENT_H
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#define PLASMA_CONTAINMENT_H
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#include <QtGui/QGraphicsItem>
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#include <QtGui/QWidget>
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#include <QtGui/QStyleOptionGraphicsItem>
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#include <kplugininfo.h>
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#include <ksharedconfig.h>
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#include <kgenericfactory.h>
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#include <plasma/applet.h>
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#include <plasma/animator.h>
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namespace Plasma
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{
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class AccessAppletJob;
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class AppletHandle;
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class DataEngine;
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class Package;
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class Corona;
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class View;
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class Wallpaper;
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class ContainmentActions;
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class ContainmentPrivate;
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class AbstractToolBox;
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/**
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* @class Containment plasma/containment.h <Plasma/Containment>
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*
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* @short The base class for plugins that provide backgrounds and applet grouping containers
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*
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* Containment objects provide the means to group applets into functional sets.
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* They also provide the following:
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*
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* creation of focussing event
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* - drawing of the background image (which can be interactive)
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* - form factors (e.g. panel, desktop, full screen, etc)
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* - applet layout management
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*
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* Since containment is actually just a Plasma::Applet, all the techniques used
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* for writing the visual presentation of Applets is applicable to Containtments.
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* Containments are differentiated from Applets by being marked with the ServiceType
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* of Plasma/Containment. Plugins registered with both the Applet and the Containment
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* ServiceTypes can be loaded for us in either situation.
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*
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* See techbase.kde.org for a tutorial on writing Containments using this class.
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*/
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class PLASMA_EXPORT Containment : public Applet
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{
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Q_OBJECT
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public:
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class PLASMA_EXPORT StyleOption : public QStyleOptionGraphicsItem
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{
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public:
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explicit StyleOption();
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explicit StyleOption(const StyleOption &other);
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explicit StyleOption(const QStyleOptionGraphicsItem &other);
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enum StyleOptionType {
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Type = SO_CustomBase + 1
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};
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enum StyleOptionVersion {
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Version = QStyleOptionGraphicsItem::Version + 1
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};
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/**
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* The View, if any, that this containment is currently
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* being rendered into. Note: this may be NULL, so be
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* sure to check it before using it!
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*/
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Plasma::View *view;
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};
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enum Type {
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NoContainmentType = -1, /**< @internal */
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DesktopContainment = 0, /**< A desktop containment */
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PanelContainment, /**< A desktop panel */
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CustomContainment = 127, /**< A containment that is neither a desktop nor a panel
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but something application specific */
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CustomPanelContainment = 128 /**< A customized desktop panel */
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};
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/**
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* @param parent the QGraphicsItem this applet is parented to
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* @param serviceId the name of the .desktop file containing the
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* information about the widget
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* @param containmentId a unique id used to differentiate between multiple
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* instances of the same Applet type
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*/
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explicit Containment(QGraphicsItem *parent = 0,
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const QString &serviceId = QString(),
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uint containmentId = 0);
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/**
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* This constructor is to be used with the plugin loading systems
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* found in KPluginInfo and KService. The argument list is expected
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* to have two elements: the KService service ID for the desktop entry
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* and an applet ID which must be a base 10 number.
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*
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* @param parent a QObject parent; you probably want to pass in 0
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* @param args a list of strings containing two entries: the service id
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* and the applet id
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*/
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Containment(QObject *parent, const QVariantList &args);
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~Containment();
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/**
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* Reimplemented from Applet
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*/
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void init();
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/**
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* Returns the type of containment
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*/
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Type containmentType() const;
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/**
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* Returns the Corona (if any) that this Containment is hosted by
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*/
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Corona *corona() const;
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/**
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* Returns a list of all known containments.
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*
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* @param category Only containments matching this category will be returned.
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* Useful in conjunction with knownCategories.
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* If "Miscellaneous" is passed in, then applets without a
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* Categories= entry are also returned.
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* If an empty string is passed in, all applets are
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* returned.
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* @param parentApp the application to filter applets on. Uses the
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* X-KDE-ParentApp entry (if any) in the plugin info.
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* The default value of QString() will result in a
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* list containing only applets not specifically
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* registered to an application.
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* @return list of applets
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**/
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static KPluginInfo::List listContainments(const QString &category = QString(),
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const QString &parentApp = QString());
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/**
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* Returns a list of all known Containments that match the parameters.
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*
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* @param type Only Containments with this string in X-Plasma-ContainmentCategories
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* in their .desktop files will be returned. Common values are panel and
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* desktop
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* @param category Only applets matchin this category will be returned.
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* Useful in conjunction with knownCategories.
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* If "Miscellaneous" is passed in, then applets without a
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* Categories= entry are also returned.
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* If an empty string is passed in, all applets are
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* returned.
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* @param parentApp the application to filter applets on. Uses the
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* X-KDE-ParentApp entry (if any) in the plugin info.
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* The default value of QString() will result in a
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* list containing only applets not specifically
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* registered to an application.
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* @return list of applets
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**/
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static KPluginInfo::List listContainmentsOfType(const QString &type,
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const QString &category = QString(),
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const QString &parentApp = QString());
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/**
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* @return a list of all known types of Containments on this system
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*/
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static QStringList listContainmentTypes();
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/**
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* Returns a list of all known applets associated with a certain MimeType
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*
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* @return list of applets
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**/
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static KPluginInfo::List listContainmentsForMimeType(const QString &mimeType);
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/**
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* Adds an applet to this Containment
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*
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* @param name the plugin name for the applet, as given by
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* KPluginInfo::pluginName()
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* @param args argument list to pass to the plasmoid
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* @param geometry where to place the applet, or to auto-place it if an invalid
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* is provided
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*
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* @return a pointer to the applet on success, or 0 on failure
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*/
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Applet *addApplet(const QString &name, const QVariantList &args = QVariantList(),
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const QRectF &geometry = QRectF(-1, -1, -1, -1));
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/**
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* Add an existing applet to this Containment
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*
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* If dontInit is true, the pending constraints are not flushed either.
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* So it is your responsibility to call both init() and
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* flushPendingConstraints() on the applet.
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*
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* @param applet the applet that should be added
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* @param pos the containment-relative position
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* @param dontInit if true, init() will not be called on the applet
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*/
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void addApplet(Applet *applet, const QPointF &pos = QPointF(-1, -1), bool dontInit = true);
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/**
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* @return the applets currently in this Containment
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*/
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Applet::List applets() const;
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/**
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* Removes all applets from this Containment
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*/
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void clearApplets();
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/**
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* Sets the physical screen this Containment is associated with.
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*
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* @param screen the screen number this containment is the desktop for, or -1
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* if it is not serving as the desktop for any screen
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* @param desktop the virtual desktop to also associate this this screen with
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*/
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void setScreen(int screen, int desktop = -1);
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/**
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* @return the screen number this containment is serving as the desktop for
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* or -1 if none
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*/
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int screen() const;
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/**
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* @return the last screen number this containment had
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* only returns -1 if it's never ever been on a screen
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* @since 4.5
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*/
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int lastScreen() const;
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/**
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* @return the viewport (e.g. virtual desktop) this Containment is associated with.
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*/
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int desktop() const;
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/**
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* @return the viewport (e.g. virtual desktop) this Containment was associated with
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* last time it had a screen
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* @since 4.5
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*/
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int lastDesktop() const;
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/**
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* @reimp
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* @sa Applet::save(KConfigGroup &)
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*/
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void save(KConfigGroup &group) const;
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/**
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* @reimp
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* @sa Applet::restore(KConfigGroup &)
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*/
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void restore(KConfigGroup &group);
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/**
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* convenience function - enables or disables an action by name
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*
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* @param name the name of the action in our collection
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* @param enable true to enable, false to disable
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*/
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void enableAction(const QString &name, bool enable);
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/**
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* Add an action to the toolbox
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*/
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void addToolBoxAction(QAction *action);
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/**
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* Remove an action from the toolbox
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*/
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void removeToolBoxAction(QAction *action);
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/**
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* Sets the open or closed state of the Containment's toolbox
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*
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* @param open true to open the ToolBox, false to close it
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*/
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void setToolBoxOpen(bool open);
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/**
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* @return true if the toolbox is open
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* @since 4.5
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*/
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bool isToolBoxOpen() const;
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/**
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* Open the Containment's toolbox
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*/
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void openToolBox();
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/**
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* Closes Containment's toolbox
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*/
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void closeToolBox();
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/**
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* associate actions with this widget, including ones added after this call.
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* needed to make keyboard shortcuts work.
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*/
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void addAssociatedWidget(QWidget *widget);
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/**
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* un-associate actions from this widget, including ones added after this call.
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* needed to make keyboard shortcuts work.
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*/
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void removeAssociatedWidget(QWidget *widget);
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/**
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* Return whether wallpaper is painted or not.
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*/
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bool drawWallpaper();
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/**
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* Sets wallpaper plugin.
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*
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* @param pluginName the name of the wallpaper to attempt to load
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* @param mode optional mode or the wallpaper plugin (e.g. "Slideshow").
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* These values are pugin specific and enumerated in the plugin's
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* .desktop file.
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*/
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void setWallpaper(const QString &pluginName, const QString &mode = QString());
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/**
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* Return wallpaper plugin.
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*/
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Plasma::Wallpaper *wallpaper() const;
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/**
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* Sets the current activity by id
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*
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* @param activity the id of the activity
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*/
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void setActivity(const QString &activityId);
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/**
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* @return the current activity id associated with this containment
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*/
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QString activity() const;
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/**
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* Shows the context menu for the containment directly, bypassing Applets
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* altogether.
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*/
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void showContextMenu(const QPointF &containmentPos, const QPoint &screenPos);
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/**
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* Shows a visual clue for drag and drop
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* The default implementation does nothing,
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* reimplement in containments that need it
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*
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* @param pos point where to show the drop target; if an invalid point is passed in
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* the drop zone should not be shown
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*/
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virtual void showDropZone(const QPoint pos);
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/**
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* Sets a containmentactions plugin.
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*
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* @param trigger the mouse button (and optional modifier) to associate the plugin with
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* @param pluginName the name of the plugin to attempt to load. blank = set no plugin.
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* @since 4.4
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*/
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void setContainmentActions(const QString &trigger, const QString &pluginName);
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/**
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* @return a list of all triggers that have a containmentactions plugin associated
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* @since 4.4
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*/
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QStringList containmentActionsTriggers();
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/**
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* @return the plugin name for the given trigger
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* @since 4.4
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*/
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QString containmentActions(const QString &trigger);
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/**
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* @return the config group that containmentactions plugins go in
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* @since 4.6
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*/
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KConfigGroup containmentActionsConfig();
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Q_SIGNALS:
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/**
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* This signal is emitted when a new applet is created by the containment
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*/
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void appletAdded(Plasma::Applet *applet, const QPointF &pos);
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/**
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* This signal is emitted when an applet is destroyed
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*/
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void appletRemoved(Plasma::Applet *applet);
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/**
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* Emitted when the user clicks on the toolbox
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*/
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void toolBoxToggled();
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/**
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* Emitted when the toolbox is hidden or shown
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* @since 4.3
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*/
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void toolBoxVisibilityChanged(bool);
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/**
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* Emitted when the containment wants a new containment to be created.
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* Usually only used for desktop containments.
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*/
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void addSiblingContainment(Plasma::Containment *);
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/**
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* Emitted when the containment requests an add widgets dialog is shown.
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* Usually only used for desktop containments.
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*
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* @param pos where in the containment this request was made from, or
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* an invalid position (QPointF()) is not location specific
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*/
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void showAddWidgetsInterface(const QPointF &pos);
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/**
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* This signal indicates that a containment has been newly
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* associated (or dissociated) with a physical screen.
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*
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* @param wasScreen the screen it was associated with
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* @param isScreen the screen it is now associated with
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* @param containment the containment switching screens
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*/
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void screenChanged(int wasScreen, int isScreen, Plasma::Containment *containment);
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/**
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* Emitted when the user wants to configure/change containment.
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*/
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void configureRequested(Plasma::Containment *containment);
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public Q_SLOTS:
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/**
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* Informs the Corona as to what position it is in. This is informational
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* only, as the Corona doesn't change its actual location. This is,
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* however, passed on to Applets that may be managed by this Corona.
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*
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* @param location the new location of this Corona
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*/
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void setLocation(Plasma::Location location);
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/**
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* Sets the form factor for this Containment. This may cause changes in both
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* the arrangement of Applets as well as the display choices of individual
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* Applets.
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*/
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void setFormFactor(Plasma::FormFactor formFactor);
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/**
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* Tells the corona to create a new desktop containment
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*/
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void addSiblingContainment();
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/**
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* switch keyboard focus to the next of our applets
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*/
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void focusNextApplet();
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/**
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* switch keyboard focus to the previous one of our applets
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*/
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void focusPreviousApplet();
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/**
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* Destroys this containment and all its applets (after a confirmation dialog);
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* it will be removed nicely and deleted.
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* Its configuration will also be deleted.
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*/
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void destroy();
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/**
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* Destroys this containment and all its applets (after a confirmation dialog);
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* it will be removed nicely and deleted.
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* Its configuration will also be deleted.
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*
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* @param confirm whether or not confirmation from the user should be requested
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*/
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void destroy(bool confirm);
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/**
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* @reimp
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* @sa Applet::showConfigurationInterface()
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*/
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void showConfigurationInterface();
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protected:
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//FIXME plasma2: those should be public to allow scripted containments access them
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/**
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* Sets the type of this containment.
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*/
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void setContainmentType(Containment::Type type);
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/**
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* Sets whether wallpaper is painted or not.
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*/
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void setDrawWallpaper(bool drawWallpaper);
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/**
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* Called when the contents of the containment should be saved. By default this saves
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* all loaded Applets
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*
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* @param group the KConfigGroup to save settings under
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*/
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virtual void saveContents(KConfigGroup &group) const;
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/**
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* Called when the contents of the containment should be loaded. By default this loads
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* all previously saved Applets
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*
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* @param group the KConfigGroup to save settings under
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*/
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virtual void restoreContents(KConfigGroup &group);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
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void keyPressEvent(QKeyEvent *event);
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void wheelEvent(QGraphicsSceneWheelEvent *event);
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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/**
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* @reimp
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* @sa QGraphicsItem::dragEnterEvent()
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*/
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void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
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/**
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* @reimp
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* @sa QGraphicsItem::dragLeaveEvent()
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*/
|
|
void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
|
|
|
|
/**
|
|
* @reimp
|
|
* @sa QGraphicsItem::dragMoveEvent()
|
|
*/
|
|
void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
|
|
|
|
/**
|
|
* @reimp
|
|
* @sa QGraphicsItem::dropEvent()
|
|
*/
|
|
void dropEvent(QGraphicsSceneDragDropEvent *event);
|
|
|
|
/**
|
|
* @reimp
|
|
* @sa QGraphicsItem::resizeEvent()
|
|
*/
|
|
void resizeEvent(QGraphicsSceneResizeEvent *event);
|
|
|
|
/**
|
|
* Sets a custom ToolBox
|
|
* if there was an old one it will be deleted
|
|
* and the new one won't have any actions in it
|
|
*
|
|
* @param item the new toolbox item
|
|
* @since 4.4
|
|
*/
|
|
void setToolBox(AbstractToolBox *toolBox);
|
|
|
|
/**
|
|
* @return the ToolBox
|
|
* @since 4.4
|
|
*/
|
|
AbstractToolBox *toolBox() const;
|
|
|
|
private:
|
|
/**
|
|
* @internal This constructor is to be used with the Package loading system.
|
|
*
|
|
* @param parent a QObject parent; you probably want to pass in 0
|
|
* @param args a list of strings containing two entries: the service id
|
|
* and the applet id
|
|
* @since 4.3
|
|
*/
|
|
Containment(const QString &packagePath, uint appletId, const QVariantList &args);
|
|
|
|
Q_PRIVATE_SLOT(d, void appletDestroyed(Plasma::Applet*))
|
|
Q_PRIVATE_SLOT(d, void appletAppearAnimationComplete())
|
|
Q_PRIVATE_SLOT(d, void triggerShowAddWidgets())
|
|
Q_PRIVATE_SLOT(d, void positionToolBox())
|
|
Q_PRIVATE_SLOT(d, void requestConfiguration())
|
|
Q_PRIVATE_SLOT(d, void updateToolBoxVisibility())
|
|
Q_PRIVATE_SLOT(d, void showDropZoneDelayed())
|
|
Q_PRIVATE_SLOT(d, void checkStatus(Plasma::ItemStatus))
|
|
Q_PRIVATE_SLOT(d, void remoteAppletReady(Plasma::AccessAppletJob *))
|
|
/**
|
|
* This slot is called when the 'stat' after a job event has finished.
|
|
*/
|
|
Q_PRIVATE_SLOT(d, void mimeTypeRetrieved(KIO::Job *, const QString &))
|
|
Q_PRIVATE_SLOT(d, void dropJobResult(KJob *))
|
|
|
|
friend class Applet;
|
|
friend class AppletPrivate;
|
|
friend class AppletScript;
|
|
friend class CoronaPrivate;
|
|
friend class ContainmentPrivate;
|
|
friend class ContainmentActions;
|
|
friend class PopupApplet;
|
|
ContainmentPrivate *const d;
|
|
};
|
|
|
|
} // Plasma namespace
|
|
|
|
#endif // multiple inclusion guard
|