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/* This file is part of the KDE libraries
Copyright (C) 1999 Simon Hausmann <hausmann@kde.org>
Copyright (C) 2000 Kurt Granroth <granroth@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 __kxmlguifactory_h__
#define __kxmlguifactory_h__
#include <tqobject.h>
#include <tqptrlist.h>
#include <tqdom.h>
#include <tqvaluelist.h>
#include <tdelibs_export.h>
class TDEAction;
class KXMLGUIFactoryPrivate;
class KXMLGUIClient;
class KXMLGUIBuilder;
class TDEInstance;
namespace KXMLGUI
{
struct MergingIndex;
struct ContainerNode;
struct ContainerClient;
class BuildHelper;
}
/**
* KXMLGUIFactory, together with KXMLGUIClient objects, can be used to create
* a GUI of container widgets (like menus, toolbars, etc.) and container items
* (menu items, toolbar buttons, etc.) from an XML document and action objects.
*
* Each KXMLGUIClient represents a part of the GUI, composed from containers and
* actions. KXMLGUIFactory takes care of building (with the help of a KXMLGUIBuilder)
* and merging the GUI from an unlimited number of clients.
*
* Each client provides XML through a TQDomDocument and actions through a
* TDEActionCollection . The XML document contains the rules for how to merge the
* GUI.
*
* KXMLGUIFactory processes the DOM tree provided by a client and plugs in the client's actions,
* according to the XML and the merging rules of previously inserted clients. Container widgets
* are built via a KXMLGUIBuilder , which has to be provided with the KXMLGUIFactory constructor.
*/
class TDEUI_EXPORT KXMLGUIFactory : public TQObject
{
friend class KXMLGUI::BuildHelper;
Q_OBJECT
public:
/**
* Constructs a KXMLGUIFactory. The provided @p builder KXMLGUIBuilder will be called
* for creating and removing container widgets, when clients are added/removed from the GUI.
*
* Note that the ownership of the given KXMLGUIBuilder object won't be transferred to this
* KXMLGUIFactory, so you have to take care of deleting it properly.
*/
KXMLGUIFactory( KXMLGUIBuilder *builder, TQObject *parent = 0, const char *name = 0 );
/**
* Destructor
*/
~KXMLGUIFactory();
// XXX move to somewhere else? (Simon)
static TQString readConfigFile( const TQString &filename, bool never_null, const TDEInstance *instance = 0 );
static TQString readConfigFile( const TQString &filename, const TDEInstance *instance = 0 );
static bool saveConfigFile( const TQDomDocument& doc, const TQString& filename,
const TDEInstance *instance = 0 );
static TQString documentToXML( const TQDomDocument& doc );
static TQString elementToXML( const TQDomElement& elem );
/**
* Removes all TQDomComment objects from the specified node and all its children.
*/
static void removeDOMComments( TQDomNode &node );
/**
* @internal
* Find or create the ActionProperties element, used when saving custom action properties
*/
static TQDomElement actionPropertiesElement( TQDomDocument& doc );
/**
* @internal
* Find or create the element for a given action, by name.
* Used when saving custom action properties
*/
static TQDomElement findActionByName( TQDomElement& elem, const TQString& sName, bool create );
/**
* Creates the GUI described by the TQDomDocument of the client,
* using the client's actions, and merges it with the previously
* created GUI.
* This also means that the order in which clients are added to the factory
* is relevant; assuming that your application supports plugins, you should
* first add your application to the factory and then the plugin, so that the
* plugin's UI is merged into the UI of your application, and not the other
* way round.
*/
void addClient( KXMLGUIClient *client );
/**
* Removes the GUI described by the client, by unplugging all
* provided actions and removing all owned containers (and storing
* container state information in the given client)
*/
void removeClient( KXMLGUIClient *client );
void plugActionList( KXMLGUIClient *client, const TQString &name, const TQPtrList<TDEAction> &actionList );
void unplugActionList( KXMLGUIClient *client, const TQString &name );
/**
* Returns a list of all clients currently added to this factory
*/
TQPtrList<KXMLGUIClient> clients() const;
/**
* Use this method to get access to a container widget with the name specified with @p containerName
* and which is owned by the @p client. The container name is specified with a "name" attribute in the
* XML document.
*
* This function is particularly useful for getting hold of a popupmenu defined in an XMLUI file.
* For instance:
* \code
* TQPopupMenu *popup = static_cast<TQPopupMenu*>(factory()->container("my_popup",this));
* \endcode
* where @p "my_popup" is the name of the menu in the XMLUI file, and
* @p "this" is XMLGUIClient which owns the popupmenu (e.g. the mainwindow, or the part, or the plugin...)
*
* @param containerName Name of the container widget
* @param client Owner of the container widget
* @param useTagName Specifies whether to compare the specified name with the name attribute or
* the tag name.
*
* This method may return 0L if no container with the given name exists or is not owned by the client.
*/
TQWidget *container( const TQString &containerName, KXMLGUIClient *client, bool useTagName = false );
TQPtrList<TQWidget> containers( const TQString &tagName );
/**
* Use this method to free all memory allocated by the KXMLGUIFactory. This deletes the internal node
* tree and therefore resets the internal state of the class. Please note that the actual GUI is
* NOT touched at all, meaning no containers are deleted nor any actions unplugged. That is
* something you have to do on your own. So use this method only if you know what you are doing :-)
*
* (also note that this will call KXMLGUIClient::setFactory( 0L ) for all inserted clients)
*/
void reset();
/**
* Use this method to free all memory allocated by the KXMLGUIFactory for a specific container,
* including all child containers and actions. This deletes the internal node subtree for the
* specified container. The actual GUI is not touched, no containers are deleted or any actions
* unplugged. Use this method only if you know what you are doing :-)
*
* (also note that this will call KXMLGUIClient::setFactory( 0L ) for all clients of the
* container)
*/
void resetContainer( const TQString &containerName, bool useTagName = false );
public slots:
/**
* Show a standard configure shortcut for every action in this factory.
*
* This slot can be connected dirrectly to the action to configure shortcuts. This is very simple to
* do that by adding a single line
* \code
* KStdAction::keyBindings( guiFactory(), TQT_SLOT( configureShortcuts() ), actionCollection() );
* \endcode
*
* @param bAllowLetterShortcuts Set to false if unmodified alphanumeric
* keys ('A', '1', etc.) are not permissible shortcuts.
* @param bSaveSettings if true, the settings will also be saved back to
* the *uirc file which they were intially read from.
* @since 3.3
*/
int configureShortcuts(bool bAllowLetterShortcuts = true, bool bSaveSettings = true);
signals:
void clientAdded( KXMLGUIClient *client );
void clientRemoved( KXMLGUIClient *client );
private:
TQWidget *findRecursive( KXMLGUI::ContainerNode *node, bool tag );
TQPtrList<TQWidget> findRecursive( KXMLGUI::ContainerNode *node, const TQString &tagName );
void applyActionProperties( const TQDomElement &element );
void configureAction( TDEAction *action, const TQDomNamedNodeMap &attributes );
void configureAction( TDEAction *action, const TQDomAttr &attribute );
protected:
virtual void virtual_hook( int id, void* data );
private:
KXMLGUIFactoryPrivate *d;
};
#endif
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