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Diffstat (limited to 'tdeui/kactioncollection.h')
-rw-r--r-- | tdeui/kactioncollection.h | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/tdeui/kactioncollection.h b/tdeui/kactioncollection.h new file mode 100644 index 000000000..971bc862f --- /dev/null +++ b/tdeui/kactioncollection.h @@ -0,0 +1,393 @@ +/* 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 <tqkeysequence.h> +#include <tqobject.h> +#include <tqvaluelist.h> +#include <tqguardedptr.h> +#include <kguiitem.h> +#include <kshortcut.h> +#include <kstdaction.h> +#include <kicontheme.h> + +class TQMenuBar; +class TQPopupMenu; +class TQComboBox; +class TQPoint; +class TQIconSet; +class TQString; +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 TQValueList<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(), TQT_SIGNAL( actionStatusText( const TQString & ) ), + * statusBar(), TQT_SLOT( message( const TQString & ) ) ); + * connect(actionCollection(), TQT_SIGNAL( clearStatusText() ), + * statusBar(), TQT_SLOT( clear() ) ); + * \endcode + */ +class KDEUI_EXPORT KActionCollection : public TQObject +{ + friend class KAction; + friend class KXMLGUIClient; + + Q_OBJECT + +public: + KActionCollection( TQWidget *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( TQWidget *watch, TQObject* 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( TQWidget *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 TQStringList 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 TQString& 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 TQString& sConfigGroup = TQString::null, KConfigBase* pConfig = 0 ); + /** + * Used for writing shortcut configuration to a non-XML rc file. + */ + bool writeShortcutSettings( const TQString& sConfigGroup = TQString::null, KConfigBase* pConfig = 0 ) const; + + void setInstance( KInstance *instance ); + /** The instance with which this class is associated. */ + KInstance *instance() const; + + /** + * @deprecated + */ + void setXMLFile( const TQString& ); + /** + * @deprecated + */ + const TQString& 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 TQPopupMenu or KToolBar) + * @param action The action you are interested in + * @see disconnectHighlight() + * @see actionHighlighted() + * @see setHighlightingEnabled() + * @see highlightingEnabled() + * @see actionHighlighted() + */ + void connectHighlight( TQWidget *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 TQPopupMenu or KToolBar) + * @param action The action you are interested in + * @see connectHighlight() + * @see actionHighlighted() + * @see setHighlightingEnabled() + * @see highlightingEnabled() + * @see actionHighlighted() + */ + void disconnectHighlight( TQWidget *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 TQString &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( TQWidget *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( TQWidget *container, int id ); + +#ifndef KDE_NO_COMPAT +public: + KActionCollection( TQObject *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 |