69365ddada
also, clean up the drop/paste handling a bit svn path=/trunk/KDE/kdelibs/; revision=1012643
244 lines
8.2 KiB
C++
244 lines
8.2 KiB
C++
/*
|
|
* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
|
|
* Copyright 2008 by Petri Damsten <damu@iki.fi>
|
|
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef PLASMA_CONTEXTACTION_H
|
|
#define PLASMA_CONTEXTACTION_H
|
|
|
|
#include <QList>
|
|
|
|
#include <kplugininfo.h>
|
|
|
|
#include <plasma/plasma.h>
|
|
#include <plasma/packagestructure.h>
|
|
#include <plasma/version.h>
|
|
|
|
class QAction;
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
class Containment;
|
|
class ContextActionPrivate;
|
|
|
|
/**
|
|
* @class ContextAction plasma/contextaction.h <Plasma/ContextAction>
|
|
*
|
|
* @short The base ContextAction class
|
|
*
|
|
* "ContextActions" are components that provide an action (usually displaying a contextmenu) in
|
|
* response to an event with a position (usually a mouse event).
|
|
*
|
|
* ContextAction plugins are registered using .desktop files. These files should be
|
|
* named using the following naming scheme:
|
|
*
|
|
* plasma-contextaction-\<pluginname\>.desktop
|
|
*
|
|
*/
|
|
|
|
class PLASMA_EXPORT ContextAction : public QObject
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(QString name READ name)
|
|
Q_PROPERTY(QString pluginName READ pluginName)
|
|
Q_PROPERTY(QString icon READ icon)
|
|
|
|
public:
|
|
/**
|
|
* Default constructor for an empty or null contextaction
|
|
*/
|
|
explicit ContextAction(QObject * parent = 0);
|
|
|
|
~ContextAction();
|
|
|
|
/**
|
|
* Returns a list of all known contextactions.
|
|
*
|
|
* @return list of contextactions
|
|
**/
|
|
static KPluginInfo::List listContextActionInfo();
|
|
|
|
/**
|
|
* Attempts to load a contextaction
|
|
*
|
|
* Returns a pointer to the contextaction if successful.
|
|
* The caller takes responsibility for the contextaction, including
|
|
* deleting it when no longer needed.
|
|
*
|
|
* @param name the plugin name, as returned by KPluginInfo::pluginName()
|
|
* @param args to send the contextaction extra arguments
|
|
* @return a pointer to the loaded contextaction, or 0 on load failure
|
|
**/
|
|
static ContextAction *load(const QString &name, const QVariantList &args = QVariantList());
|
|
|
|
/**
|
|
* Attempts to load a contextaction
|
|
*
|
|
* Returns a pointer to the contextaction if successful.
|
|
* The caller takes responsibility for the contextaction, including
|
|
* deleting it when no longer needed.
|
|
*
|
|
* @param info KPluginInfo object for the desired contextaction
|
|
* @param args to send the contextaction extra arguments
|
|
* @return a pointer to the loaded contextaction, or 0 on load failure
|
|
**/
|
|
static ContextAction *load(const KPluginInfo &info, const QVariantList &args = QVariantList());
|
|
|
|
/**
|
|
* Returns the Package specialization for contextactions.
|
|
*/
|
|
static PackageStructure::Ptr packageStructure();
|
|
|
|
/**
|
|
* Returns the user-visible name for the contextaction, as specified in the
|
|
* .desktop file.
|
|
*
|
|
* @return the user-visible name for the contextaction.
|
|
**/
|
|
QString name() const;
|
|
|
|
/**
|
|
* Returns the plugin name for the contextaction
|
|
*/
|
|
QString pluginName() const;
|
|
|
|
/**
|
|
* Returns the icon related to this contextaction
|
|
**/
|
|
QString icon() const;
|
|
|
|
/**
|
|
* @return true if initialized (usually by calling restore), false otherwise
|
|
*/
|
|
bool isInitialized() const;
|
|
|
|
/**
|
|
* This method should be called once the wallpaper is loaded or mode is changed.
|
|
* @param config Config group to load settings
|
|
* @see init
|
|
**/
|
|
void restore(const KConfigGroup &config);
|
|
|
|
/**
|
|
* This method is called when settings need to be saved.
|
|
* @param config Config group to save settings
|
|
**/
|
|
virtual void save(KConfigGroup &config);
|
|
|
|
/**
|
|
* Returns the widget used in the configuration dialog.
|
|
* Add the configuration interface of the contextaction to this widget.
|
|
* To signal that settings have changed connect to
|
|
* settingsChanged(bool modified) in @p parent.
|
|
* @code connect(this, SIGNAL(settingsChanged(bool), parent, SLOT(settingsChanged(bool)))
|
|
* @endcode
|
|
* Emit settingsChanged(true) when the settings are changed and false when the original state is restored.
|
|
*/
|
|
virtual QWidget *createConfigurationInterface(QWidget *parent);
|
|
|
|
/**
|
|
* This method is called when the user's configuration changes are accepted
|
|
*/
|
|
virtual void configurationAccepted();
|
|
|
|
/**
|
|
* Implement this to respond to events.
|
|
* The user can configure whatever button and modifier they like, so please don't look at
|
|
* those parameters.
|
|
* So far the event could be a QGraphicsSceneMouseEvent or a QGraphicsSceneWheelEvent.
|
|
*/
|
|
virtual void contextEvent(QEvent *event);
|
|
|
|
/**
|
|
* Implement this to provide a list of actions that can be added to another menu
|
|
* for example, when right-clicking an applet, the "Activity Options" submenu is populated
|
|
* with this.
|
|
*/
|
|
virtual QList<QAction*> contextualActions();
|
|
|
|
/**
|
|
* @return true if the contextaction currently needs to be configured,
|
|
* otherwise, false
|
|
*/
|
|
bool configurationRequired() const;
|
|
|
|
/**
|
|
* Turns a mouse or wheel event into a string suitable for a ContextAction
|
|
* @return the string representation of the event
|
|
*/
|
|
static QString eventToString(QEvent *event);
|
|
|
|
protected:
|
|
/**
|
|
* This constructor is to be used with the plugin loading systems
|
|
* found in KPluginInfo and KService. The argument list is expected
|
|
* to have one element: the KService service ID for the desktop entry.
|
|
*
|
|
* @param parent a QObject parent; you probably want to pass in 0
|
|
* @param args a list of strings containing one entry: the service id
|
|
*/
|
|
ContextAction(QObject *parent, const QVariantList &args);
|
|
|
|
/**
|
|
* This method is called once the contextaction is loaded or mode is changed.
|
|
*
|
|
* The mode can be retrieved using the renderingMode() method.
|
|
*
|
|
* @param config Config group to load settings
|
|
**/
|
|
virtual void init(const KConfigGroup &config);
|
|
|
|
/**
|
|
* When the contextaction needs to be configured before being usable, this
|
|
* method can be called to denote that action is required
|
|
*
|
|
* @param needsConfiguring true if the applet needs to be configured,
|
|
* or false if it doesn't
|
|
*/
|
|
void setConfigurationRequired(bool needsConfiguring);
|
|
|
|
/**
|
|
* return the containment the plugin is associated with, if any.
|
|
*/
|
|
Containment *containment();
|
|
|
|
/**
|
|
* pastes the clipboard at a given location
|
|
* this is here specially for the paste plugin.
|
|
*/
|
|
void paste(QPointF scenePos, QPoint screenPos);
|
|
|
|
private:
|
|
friend class ContextActionPackage;
|
|
friend class ContextActionPrivate;
|
|
ContextActionPrivate *const d;
|
|
};
|
|
|
|
} // Plasma namespace
|
|
|
|
/**
|
|
* Register a contextaction when it is contained in a loadable module
|
|
*/
|
|
#define K_EXPORT_PLASMA_CONTEXTACTION(libname, classname) \
|
|
K_PLUGIN_FACTORY(factory, registerPlugin<classname>();) \
|
|
K_EXPORT_PLUGIN(factory("plasma_contextaction_" #libname)) \
|
|
K_EXPORT_PLUGIN_VERSION(PLASMA_VERSION)
|
|
|
|
#endif // multiple inclusion guard
|