home *** CD-ROM | disk | FTP | other *** search
- /* This file is part of the KDE libraries
- Copyright (C) 1999 Reginald Stadlbauer <reggie@kde.org>
- (C) 1999 Simon Hausmann <hausmann@kde.org>
- (C) 2000 Nicolas Hadacek <haadcek@kde.org>
- (C) 2000 Kurt Granroth <granroth@kde.org>
- (C) 2000 Michael Koch <koch@kde.org>
- (C) 2001 Holger Freyther <freyther@kde.org>
- (C) 2002 Ellis Whitehead <ellis@kde.org>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License version 2 as published by the Free Software Foundation.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
- */
-
- #ifndef __kactioncollection_h__
- #define __kactioncollection_h__
-
- #include <kaction.h>
-
- #include <qkeysequence.h>
- #include <qobject.h>
- #include <qvaluelist.h>
- #include <qguardedptr.h>
- #include <kguiitem.h>
- #include <kshortcut.h>
- #include <kstdaction.h>
- #include <kicontheme.h>
-
- class QMenuBar;
- class QPopupMenu;
- class QComboBox;
- class QPoint;
- class QIconSet;
- class QString;
- class KToolBar;
-
- class KAccel;
- class KAccelActions;
- class KConfig;
- class KConfigBase;
- class KURL;
- class KInstance;
- class KToolBar;
- class KActionCollection;
- class KPopupMenu;
- class KMainWindow;
- class KXMLGUIClient;
-
- typedef QValueList<KAction *> KActionPtrList;
-
- /**
- * A managed set of KAction objects.
- *
- * If you set the tooltips on KActions and want the tooltip to show in statusbar
- * (recommended) then you will need to connect a couple of the actionclass signals
- * to the toolbar.
- * The easiest way of doing this is in your KMainWindow subclass, where you create
- * a statusbar, do:
- *
- * \code
- * actionCollection()->setHighlightingEnabled(true);
- * connect(actionCollection(), SIGNAL( actionStatusText( const QString & ) ),
- * statusBar(), SLOT( message( const QString & ) ) );
- * connect(actionCollection(), SIGNAL( clearStatusText() ),
- * statusBar(), SLOT( clear() ) );
- * \endcode
- */
- class KDEUI_EXPORT KActionCollection : public QObject
- {
- friend class KAction;
- friend class KXMLGUIClient;
-
- Q_OBJECT
-
- public:
- KActionCollection( QWidget *parent, const char *name = 0, KInstance *instance = 0 );
- /**
- * Use this constructor if you want the collection's actions to restrict
- * their accelerator keys to @p watch rather than the @p parent. If
- * you don't require shortcuts, you can pass a null to the @p watch parameter.
- */
- KActionCollection( QWidget *watch, QObject* parent, const char *name = 0, KInstance *instance = 0 );
- #ifndef KDE_NO_COMPAT
- KActionCollection( const KActionCollection © );
- #endif
- virtual ~KActionCollection();
-
- /**
- * This sets the widget to which the keyboard shortcuts should be attached.
- * You only need to call this if a null pointer was passed in the constructor.
- */
- virtual void setWidget( QWidget *widget );
-
- /**
- * This indicates whether new actions which are created in this collection
- * should have their keyboard shortcuts automatically connected on
- * construction. Set to 'false' if you will be loading XML-based settings.
- * This is automatically done by KParts. The default is 'true'.
- * @see isAutoConnectShortcuts()
- */
- void setAutoConnectShortcuts( bool );
-
- /**
- * This indicates whether new actions which are created in this collection
- * have their keyboard shortcuts automatically connected on
- * construction.
- * @see setAutoConnectShortcuts()
- */
- bool isAutoConnectShortcuts();
-
- /**
- * This sets the default shortcut scope for new actions created in this
- * collection. The default is ScopeUnspecified. Ideally the default
- * would have been ScopeWidget, but that would cause some backwards
- * compatibility problems.
- */
- //void setDefaultScope( KAction::Scope );
-
- /**
- * Doc/View model. This lets you add the action collection of a document
- * to a view's action collection.
- */
- bool addDocCollection( KActionCollection* pDoc );
-
- /** Returns the number of widgets which this collection is associated with. */
- //uint widgetCount() const;
-
- /**
- * Returns true if the collection has its own KAccel object. This will be
- * the case if it was constructed with a valid widget ptr or if setWidget()
- * was called.
- */
- //bool ownsKAccel() const;
-
- /** @deprecated Deprecated because of ambiguous name. Use kaccel() */
- virtual KAccel* accel() KDE_DEPRECATED;
- /** @deprecated Deprecated because of ambiguous name. Use kaccel() */
- virtual const KAccel* accel() const KDE_DEPRECATED;
-
- /** Returns the KAccel object of the most recently set widget. */
- KAccel* kaccel();
- /** Returns the KAccel object of the most recently set widget. Const version for convenience. */
- const KAccel* kaccel() const;
-
- /** @internal, for KAction::kaccelCurrent() */
- KAccel* builderKAccel() const;
- /** Returns the KAccel object associated with widget #. */
- //KAccel* widgetKAccel( uint i );
- //const KAccel* widgetKAccel( uint i ) const;
-
- /** Returns the number of actions in the collection */
- virtual uint count() const;
- bool isEmpty() const { return (count() == 0); }
- /**
- * Return the KAction* at position "index" in the action collection.
- * @see count()
- */
- virtual KAction* action( int index ) const;
- /**
- * Find an action (optionally, of a given subclass of KAction) in the action collection.
- * @param name Name of the KAction.
- * @param classname Name of the KAction subclass.
- * @return A pointer to the first KAction in the collection which matches the parameters or
- * null if nothing matches.
- */
- virtual KAction* action( const char* name, const char* classname = 0 ) const;
-
- /** Returns a list of all the groups of all the KActions in this action collection.
- * @see KAction::group()
- * @see KAction::setGroup()
- */
- virtual QStringList groups() const;
- /**
- * Returns the list of actions in a particular group managed by this action collection.
- * @param group The name of the group.
- */
- virtual KActionPtrList actions( const QString& group ) const;
- /** Returns the list of actions managed by this action collection. */
- virtual KActionPtrList actions() const;
-
- /**
- * Used for reading shortcut configuration from a non-XML rc file.
- */
- bool readShortcutSettings( const QString& sConfigGroup = QString::null, KConfigBase* pConfig = 0 );
- /**
- * Used for writing shortcut configuration to a non-XML rc file.
- */
- bool writeShortcutSettings( const QString& sConfigGroup = QString::null, KConfigBase* pConfig = 0 ) const;
-
- void setInstance( KInstance *instance );
- /** The instance with which this class is associated. */
- KInstance *instance() const;
-
- /**
- * @deprecated
- */
- void setXMLFile( const QString& );
- /**
- * @deprecated
- */
- const QString& xmlFile() const;
-
- //TODO FOR KDE4 make this default true
- /**
- * Enable highlighting notification for specific KActions.
- * This is false by default, so, by default, the highlighting
- * signals will not be emitted.
- *
- * @see connectHighlight()
- * @see disconnectHighlight()
- * @see actionHighlighted()
- * @see actionHighlighted()
- * @see highlightingEnabled()
- */
- void setHighlightingEnabled( bool enable );
- /**
- * Return whether highlighting notifications are enabled.
- * @see connectHighlight()
- * @see disconnectHighlight()
- * @see actionHighlighted()
- * @see setHighlightingEnabled()
- * @see actionHighlighted()
- */
- bool highlightingEnabled() const;
-
- /**
- * Call this function if you want to receive a signal whenever a KAction is highlighted in a menu or a toolbar.
- * This is only needed if you do not add this action to this container.
- * You will generally not need to call this function.
- *
- * @param container A container in which the KAction is plugged (must inherit QPopupMenu or KToolBar)
- * @param action The action you are interested in
- * @see disconnectHighlight()
- * @see actionHighlighted()
- * @see setHighlightingEnabled()
- * @see highlightingEnabled()
- * @see actionHighlighted()
- */
- void connectHighlight( QWidget *container, KAction *action );
- /**
- * Disconnect highlight notifications for a particular pair of contianer and action.
- * This is only needed if you do not add this action to this container.
- * You will generally not need to call this function.
- *
- * @param container A container in which the KAction is plugged (must inherit QPopupMenu or KToolBar)
- * @param action The action you are interested in
- * @see connectHighlight()
- * @see actionHighlighted()
- * @see setHighlightingEnabled()
- * @see highlightingEnabled()
- * @see actionHighlighted()
- */
- void disconnectHighlight( QWidget *container, KAction *action );
-
- /**
- * The parent KXMLGUIClient, return 0L if not available.
- */
- const KXMLGUIClient *parentGUIClient() const;
-
- signals:
- void inserted( KAction* );
- void removed( KAction* );
-
- /** Emitted when @p action is highlighted.
- * This is only emitted if you have setHighlightingEnabled()
- * @see connectHighlight()
- * @see disconnectHighlight()
- * @see actionHighlighted()
- * @see setHighlightingEnabled()
- * @see highlightingEnabled()
- */
- void actionHighlighted( KAction *action );
- /** Emitted when @p action is highlighed or loses highlighting.
- * This is only emitted if you have setHighlightingEnabled()
- * @see connectHighlight()
- * @see disconnectHighlight()
- * @see actionHighlighted()
- * @see setHighlightingEnabled()
- * @see highlightingEnabled()
- */
- void actionHighlighted( KAction *action, bool highlight );
- /** Emitted when an action is highlighted, with text
- * being the tooltip for the action.
- * This is only emitted if you have setHighlightingEnabled()
- *
- * This is useful to connect to KStatusBar::message(). See
- * this class overview for more information.
- *
- * @see setHighlightingEnabled()
- */
- void actionStatusText( const QString &text );
- /** Emitted when an action loses highlighting.
- * This is only emitted if you have setHighlightingEnabled()
- *
- * @see setHighlightingEnabled()
- */
- void clearStatusText();
-
- private:
- /**
- * @internal Only to be called by KXMLGUIFactory::addClient().
- * When actions are being connected, KAction needs to know what
- * widget it should connect widget-scope actions to, and what
- * main window it should connect
- */
- void beginXMLPlug( QWidget *widget );
- void endXMLPlug();
- /** @internal. Only to be called by KXMLGUIFactory::removeClient() */
- void prepareXMLUnplug();
- void unplugShortcuts( KAccel* kaccel );
-
- void _clear();
- void _insert( KAction* );
- void _remove( KAction* );
- KAction* _take( KAction* );
-
- private slots:
- void slotMenuItemHighlighted( int id );
- void slotToolBarButtonHighlighted( int id, bool highlight );
- void slotMenuAboutToHide();
- void slotDestroyed();
-
- private:
- KAction *findAction( QWidget *container, int id );
-
- #ifndef KDE_NO_COMPAT
- public:
- KActionCollection( QObject *parent, const char *name = 0, KInstance *instance = 0 );
- #endif
-
- public:
- /**
- * Add an action to the collection.
- * Generally you don't have to call this. The action inserts itself automatically
- * into its parent collection. This can be useful however for a short-lived
- * collection (e.g. for a popupmenu, where the signals from the collection are needed too).
- * (don't forget that in the simple case, a list of actions should be a simple KActionPtrList).
- * If you manually insert actions into a 2nd collection, don't forget to take them out
- * again before destroying the collection.
- * @param action The KAction to add.
- */
- void insert( KAction* action);
-
- /**
- * Removes an action from the collection and deletes it.
- * Since the KAction destructor removes the action from the collection, you generally
- * don't have to call this.
- * @param action The KAction to remove.
- */
- void remove( KAction* action );
-
- /**
- * Removes an action from the collection.
- * Since the KAction destructor removes the action from the collection, you generally
- * don't have to call this.
- * @return NULL if not found else returns action.
- * @param action the KAction to remove.
- */
- KAction* take( KAction* action );
-
- #ifndef KDE_NO_COMPAT
- KActionCollection operator+ ( const KActionCollection& ) const;
- KActionCollection& operator= ( const KActionCollection& );
- KActionCollection& operator+= ( const KActionCollection& );
- #endif // !KDE_NO_COMPAT
-
- // KDE4: clear() doesn't need to be a slot
- public slots:
- /**
- * Clears the entire actionCollection, deleting all actions.
- * @see remove
- */
- void clear();
-
- protected:
- virtual void virtual_hook( int id, void* data );
- private:
- KActionCollection( const char* name, const KXMLGUIClient* parent );
- class KActionCollectionPrivate;
- KActionCollectionPrivate *d;
- };
-
- #endif
-