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834 lines
27 KiB
834 lines
27 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2001 Simon Hausmann <hausmann@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kxmlguifactory_p.h"
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#include "kxmlguiclient.h"
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#include "kxmlguibuilder.h"
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#include <tqwidget.h>
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#include <tdeglobal.h>
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#include <kdebug.h>
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#include <assert.h>
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using namespace KXMLGUI;
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void ActionList::plug( TQWidget *container, int index ) const
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{
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ActionListIt it( *this );
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for (; it.current(); ++it )
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it.current()->plug( container, index++ );
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}
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void ActionList::unplug( TQWidget *container ) const
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{
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ActionListIt it( *this );
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for (; it.current(); ++it )
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it.current()->unplug( container );
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}
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ContainerNode::ContainerNode( TQWidget *_container, const TQString &_tagName,
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const TQString &_name, ContainerNode *_parent,
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KXMLGUIClient *_client, KXMLGUIBuilder *_builder,
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int id, const TQString &_mergingName,
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const TQString &_groupName, const TQStringList &customTags,
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const TQStringList &containerTags )
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: parent( _parent ), client( _client ), builder( _builder ),
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builderCustomTags( customTags ), builderContainerTags( containerTags ),
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container( _container ), containerId( id ), tagName( _tagName ), name( _name ),
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groupName( _groupName ), index( 0 ), mergingName( _mergingName )
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{
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children.setAutoDelete( true );
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clients.setAutoDelete( true );
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if ( parent )
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parent->children.append( this );
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}
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void ContainerNode::removeChild( ContainerNode *child )
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{
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MergingIndexList::Iterator mergingIt = findIndex( child->mergingName );
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adjustMergingIndices( -1, mergingIt );
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children.removeRef( child );
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}
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/*
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* Find a merging index with the given name. Used to find an index defined by <Merge name="blah"/>
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* or by a <DefineGroup name="foo" /> tag.
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*/
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MergingIndexList::Iterator ContainerNode::findIndex( const TQString &name )
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{
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MergingIndexList::Iterator it( mergingIndices.begin() );
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MergingIndexList::Iterator end( mergingIndices.end() );
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for (; it != end; ++it )
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if ( (*it).mergingName == name )
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return it;
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return it;
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}
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/*
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* Check if the given container widget is a child of this node and return the node structure
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* if found.
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*/
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ContainerNode *ContainerNode::findContainerNode( TQWidget *container )
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{
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ContainerNodeListIt it( children );
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for (; it.current(); ++it )
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if ( it.current()->container == container )
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return it.current();
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return 0L;
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}
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/*
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* Find a container recursively with the given name. Either compares _name with the
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* container's tag name or the value of the container's name attribute. Specified by
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* the tag bool .
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*/
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ContainerNode *ContainerNode::findContainer( const TQString &_name, bool tag )
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{
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if ( ( tag && tagName == _name ) ||
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( !tag && name == _name ) )
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return this;
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ContainerNodeListIt it( children );
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for (; it.current(); ++it )
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{
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ContainerNode *res = it.current()->findContainer( _name, tag );
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if ( res )
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return res;
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}
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return 0;
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}
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/*
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* Finds a child container node (not recursively) with the given name and tagname. Explicitly
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* leaves out container widgets specified in the exludeList . Also ensures that the containers
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* belongs to currClient.
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*/
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ContainerNode *ContainerNode::findContainer( const TQString &name, const TQString &tagName,
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const TQPtrList<TQWidget> *excludeList,
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KXMLGUIClient * /*currClient*/ )
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{
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ContainerNode *res = 0L;
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ContainerNodeListIt nIt( children );
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if ( !name.isEmpty() )
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{
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for (; nIt.current(); ++nIt )
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if ( nIt.current()->name == name &&
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!excludeList->containsRef( nIt.current()->container ) )
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{
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res = nIt.current();
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break;
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}
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return res;
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}
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if ( !tagName.isEmpty() )
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for (; nIt.current(); ++nIt )
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{
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if ( nIt.current()->tagName == tagName &&
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!excludeList->containsRef( nIt.current()->container )
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/*
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* It is a bad idea to also compare the client, because
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* we don't want to do so in situations like these:
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*
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* <MenuBar>
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* <Menu>
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* ...
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*
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* other client:
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* <MenuBar>
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* <Menu>
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* ...
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*
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&& nIt.current()->client == currClient )
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*/
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)
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{
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res = nIt.current();
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break;
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}
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}
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return res;
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}
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ContainerClient *ContainerNode::findChildContainerClient( KXMLGUIClient *currentGUIClient,
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const TQString &groupName,
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const MergingIndexList::Iterator &mergingIdx )
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{
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if ( !clients.isEmpty() )
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{
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ContainerClientListIt clientIt( clients );
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for (; clientIt.current(); ++clientIt )
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if ( clientIt.current()->client == currentGUIClient )
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{
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if ( groupName.isEmpty() )
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return clientIt.current();
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if ( groupName == clientIt.current()->groupName )
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return clientIt.current();
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}
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}
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ContainerClient *client = new ContainerClient;
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client->client = currentGUIClient;
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client->groupName = groupName;
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if ( mergingIdx != mergingIndices.end() )
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client->mergingName = (*mergingIdx).mergingName;
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clients.append( client );
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return client;
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}
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void ContainerNode::plugActionList( BuildState &state )
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{
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MergingIndexList::Iterator mIt( mergingIndices.begin() );
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MergingIndexList::Iterator mEnd( mergingIndices.end() );
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for (; mIt != mEnd; ++mIt )
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plugActionList( state, mIt );
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TQPtrListIterator<ContainerNode> childIt( children );
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for (; childIt.current(); ++childIt )
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childIt.current()->plugActionList( state );
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}
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void ContainerNode::plugActionList( BuildState &state, const MergingIndexList::Iterator &mergingIdxIt )
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{
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static const TQString &tagActionList = TDEGlobal::staticQString( "actionlist" );
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MergingIndex mergingIdx = *mergingIdxIt;
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TQString k( mergingIdx.mergingName );
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if ( k.find( tagActionList ) == -1 )
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return;
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k = k.mid( tagActionList.length() );
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if ( mergingIdx.clientName != state.clientName )
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return;
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if ( k != state.actionListName )
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return;
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ContainerClient *client = findChildContainerClient( state.guiClient,
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TQString(),
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mergingIndices.end() );
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client->actionLists.insert( k, state.actionList );
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state.actionList.plug( container, mergingIdx.value );
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adjustMergingIndices( state.actionList.count(), mergingIdxIt );
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}
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void ContainerNode::unplugActionList( BuildState &state )
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{
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MergingIndexList::Iterator mIt( mergingIndices.begin() );
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MergingIndexList::Iterator mEnd( mergingIndices.end() );
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for (; mIt != mEnd; ++mIt )
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unplugActionList( state, mIt );
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TQPtrListIterator<ContainerNode> childIt( children );
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for (; childIt.current(); ++childIt )
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childIt.current()->unplugActionList( state );
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}
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void ContainerNode::unplugActionList( BuildState &state, const MergingIndexList::Iterator &mergingIdxIt )
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{
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static const TQString &tagActionList = TDEGlobal::staticQString( "actionlist" );
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MergingIndex mergingIdx = *mergingIdxIt;
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TQString k = mergingIdx.mergingName;
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if ( k.find( tagActionList ) == -1 )
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return;
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k = k.mid( tagActionList.length() );
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if ( mergingIdx.clientName != state.clientName )
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return;
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if ( k != state.actionListName )
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return;
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ContainerClient *client = findChildContainerClient( state.guiClient,
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TQString(),
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mergingIndices.end() );
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ActionListMap::Iterator lIt( client->actionLists.find( k ) );
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if ( lIt == client->actionLists.end() )
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return;
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lIt.data().unplug( container );
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adjustMergingIndices( -int(lIt.data().count()), mergingIdxIt );
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client->actionLists.remove( lIt );
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}
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void ContainerNode::adjustMergingIndices( int offset,
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const MergingIndexList::Iterator &it )
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{
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MergingIndexList::Iterator mergingIt = it;
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MergingIndexList::Iterator mergingEnd = mergingIndices.end();
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for (; mergingIt != mergingEnd; ++mergingIt )
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(*mergingIt).value += offset;
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index += offset;
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}
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bool ContainerNode::destruct( TQDomElement element, BuildState &state )
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{
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destructChildren( element, state );
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unplugActions( state );
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// remove all merging indices the client defined
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MergingIndexList::Iterator cmIt = mergingIndices.begin();
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while ( cmIt != mergingIndices.end() )
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if ( (*cmIt).clientName == state.clientName )
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cmIt = mergingIndices.remove( cmIt );
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else
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++cmIt;
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// ### check for merging index count, too?
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if ( clients.count() == 0 && children.count() == 0 && container &&
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client == state.guiClient )
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{
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TQWidget *parentContainer = 0L;
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if ( parent && parent->container )
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parentContainer = parent->container;
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assert( builder );
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builder->removeContainer( container, parentContainer, element, containerId );
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client = 0L;
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return true;
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}
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if ( client == state.guiClient )
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client = 0L;
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return false;
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}
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void ContainerNode::destructChildren( const TQDomElement &element, BuildState &state )
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{
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TQPtrListIterator<ContainerNode> childIt( children );
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while ( childIt.current() )
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{
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ContainerNode *childNode = childIt.current();
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TQDomElement childElement = findElementForChild( element, childNode );
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// destruct returns true in case the container really got deleted
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if ( childNode->destruct( childElement, state ) )
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removeChild( childNode );
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else
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++childIt;
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}
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}
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TQDomElement ContainerNode::findElementForChild( const TQDomElement &baseElement,
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ContainerNode *childNode )
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{
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static const TQString &attrName = TDEGlobal::staticQString( "name" );
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// ### slow
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for ( TQDomNode n = baseElement.firstChild(); !n.isNull();
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n = n.nextSibling() )
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{
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TQDomElement e = n.toElement();
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if ( e.tagName().lower() == childNode->tagName &&
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e.attribute( attrName ) == childNode->name )
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return e;
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}
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return TQDomElement();
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}
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void ContainerNode::unplugActions( BuildState &state )
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{
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if ( !container )
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return;
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ContainerClientListIt clientIt( clients );
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/*
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Disabled because it means in TDEToolBar::saveState isHidden is always true then,
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which is clearly wrong.
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if ( clients.count() == 1 && clientIt.current()->client == client &&
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client == state.guiClient )
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container->hide(); // this container is going to die, that's for sure.
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// in this case let's just hide it, which makes the
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// destruction faster
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*/
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while ( clientIt.current() )
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//only unplug the actions of the client we want to remove, as the container might be owned
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//by a different client
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if ( clientIt.current()->client == state.guiClient )
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{
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unplugClient( clientIt.current() );
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clients.removeRef( clientIt.current() );
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}
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else
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++clientIt;
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}
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void ContainerNode::unplugClient( ContainerClient *client )
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{
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static const TQString &tagActionList = TDEGlobal::staticQString( "actionlist" );
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assert( builder );
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// now quickly remove all custom elements (i.e. separators) and unplug all actions
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TQValueList<int>::ConstIterator custIt = client->customElements.begin();
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TQValueList<int>::ConstIterator custEnd = client->customElements.end();
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for (; custIt != custEnd; ++custIt )
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builder->removeCustomElement( container, *custIt );
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client->actions.unplug( container );
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// now adjust all merging indices
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MergingIndexList::Iterator mergingIt = findIndex( client->mergingName );
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adjustMergingIndices( - int( client->actions.count()
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+ client->customElements.count() ),
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mergingIt );
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// unplug all actionslists
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ActionListMap::ConstIterator alIt = client->actionLists.begin();
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ActionListMap::ConstIterator alEnd = client->actionLists.end();
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for (; alIt != alEnd; ++alIt )
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{
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alIt.data().unplug( container );
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// construct the merging index key (i.e. like named merging) , find the
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// corresponding merging index and adjust all indices
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TQString mergingKey = alIt.key();
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mergingKey.prepend( tagActionList );
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MergingIndexList::Iterator mIt = findIndex( mergingKey );
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if ( mIt == mergingIndices.end() )
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continue;
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adjustMergingIndices( -int(alIt.data().count()), mIt );
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// remove the actionlists' merging index
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// ### still needed? we clean up below anyway?
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mergingIndices.remove( mIt );
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}
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}
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void ContainerNode::reset()
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{
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TQPtrListIterator<ContainerNode> childIt( children );
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for (; childIt.current(); ++childIt )
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childIt.current()->reset();
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if ( client )
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client->setFactory( 0L );
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}
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int ContainerNode::calcMergingIndex( const TQString &mergingName,
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MergingIndexList::Iterator &it,
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BuildState &state,
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bool ignoreDefaultMergingIndex )
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{
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MergingIndexList::Iterator mergingIt;
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if ( mergingName.isEmpty() )
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mergingIt = findIndex( state.clientName );
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else
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mergingIt = findIndex( mergingName );
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MergingIndexList::Iterator mergingEnd = mergingIndices.end();
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it = mergingEnd;
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if ( ( mergingIt == mergingEnd && state.currentDefaultMergingIt == mergingEnd ) ||
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ignoreDefaultMergingIndex )
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return index;
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if ( mergingIt != mergingEnd )
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it = mergingIt;
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else
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it = state.currentDefaultMergingIt;
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return (*it).value;
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}
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int BuildHelper::calcMergingIndex( const TQDomElement &element, MergingIndexList::Iterator &it, TQString &group )
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{
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static const TQString &attrGroup = TDEGlobal::staticQString( "group" );
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bool haveGroup = false;
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group = element.attribute( attrGroup );
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if ( !group.isEmpty() ) {
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group.prepend( attrGroup );
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haveGroup = true;
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}
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int idx;
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if ( haveGroup )
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idx = parentNode->calcMergingIndex( group, it, m_state, ignoreDefaultMergingIndex );
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else if ( m_state.currentClientMergingIt == parentNode->mergingIndices.end() )
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idx = parentNode->index;
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else
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idx = (*m_state.currentClientMergingIt).value;
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return idx;
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}
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|
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BuildHelper::BuildHelper( BuildState &state, ContainerNode *node )
|
|
: containerClient( 0 ), ignoreDefaultMergingIndex( false ), m_state( state ),
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parentNode( node )
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{
|
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static const TQString &defaultMergingName = TDEGlobal::staticQString( "<default>" );
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// create a list of supported container and custom tags
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customTags = m_state.builderCustomTags;
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containerTags = m_state.builderContainerTags;
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if ( parentNode->builder != m_state.builder )
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{
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customTags += parentNode->builderCustomTags;
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containerTags += parentNode->builderContainerTags;
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}
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|
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if ( m_state.clientBuilder ) {
|
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customTags = m_state.clientBuilderCustomTags + customTags;
|
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containerTags = m_state.clientBuilderContainerTags + containerTags;
|
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}
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|
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m_state.currentDefaultMergingIt = parentNode->findIndex( defaultMergingName );
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parentNode->calcMergingIndex( TQString(), m_state.currentClientMergingIt,
|
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m_state, /*ignoreDefaultMergingIndex*/ false );
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}
|
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|
|
void BuildHelper::build( const TQDomElement &element )
|
|
{
|
|
for (TQDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() )
|
|
{
|
|
TQDomElement e = n.toElement();
|
|
if (e.isNull()) continue;
|
|
processElement( e );
|
|
}
|
|
}
|
|
|
|
void BuildHelper::processElement( const TQDomElement &e )
|
|
{
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// some often used QStrings
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static const TQString &tagAction = TDEGlobal::staticQString( "action" );
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static const TQString &tagMerge = TDEGlobal::staticQString( "merge" );
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static const TQString &tagState = TDEGlobal::staticQString( "state" );
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static const TQString &tagDefineGroup = TDEGlobal::staticQString( "definegroup" );
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static const TQString &tagActionList = TDEGlobal::staticQString( "actionlist" );
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static const TQString &attrName = TDEGlobal::staticQString( "name" );
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TQString tag( e.tagName().lower() );
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TQString currName( e.attribute( attrName ) );
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bool isActionTag = ( tag == tagAction );
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if ( isActionTag || customTags.findIndex( tag ) != -1 )
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processActionOrCustomElement( e, isActionTag );
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else if ( containerTags.findIndex( tag ) != -1 )
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processContainerElement( e, tag, currName );
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else if ( tag == tagMerge || tag == tagDefineGroup || tag == tagActionList )
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processMergeElement( tag, currName, e );
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else if ( tag == tagState )
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processStateElement( e );
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}
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void BuildHelper::processActionOrCustomElement( const TQDomElement &e, bool isActionTag )
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{
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if ( !parentNode->container )
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return;
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MergingIndexList::Iterator it( m_state.currentClientMergingIt );
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TQString group;
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int idx = calcMergingIndex( e, it, group );
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containerClient = parentNode->findChildContainerClient( m_state.guiClient, group, it );
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bool guiElementCreated = false;
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if ( isActionTag )
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guiElementCreated = processActionElement( e, idx );
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else
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guiElementCreated = processCustomElement( e, idx );
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if ( guiElementCreated )
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// adjust any following merging indices and the current running index for the container
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parentNode->adjustMergingIndices( 1, it );
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}
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bool BuildHelper::processActionElement( const TQDomElement &e, int idx )
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{
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assert( m_state.guiClient );
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// look up the action and plug it in
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TDEAction *action = m_state.guiClient->action( e );
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//kdDebug() << "BuildHelper::processActionElement " << e.attribute( "name" ) << " -> " << action << " (in " << m_state.guiClient->actionCollection() << ")" << endl;
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if ( !action )
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return false;
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action->plug( parentNode->container, idx );
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// save a reference to the plugged action, in order to properly unplug it afterwards.
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containerClient->actions.append( action );
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return true;
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}
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bool BuildHelper::processCustomElement( const TQDomElement &e, int idx )
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{
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assert( parentNode->builder );
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int id = parentNode->builder->createCustomElement( parentNode->container, idx, e );
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if ( id == 0 )
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return false;
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containerClient->customElements.append( id );
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return true;
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}
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void BuildHelper::processStateElement( const TQDomElement &element )
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{
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TQString stateName = element.attribute( "name" );
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if ( !stateName || !stateName.length() ) return;
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for (TQDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling() )
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{
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TQDomElement e = n.toElement();
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if (e.isNull()) continue;
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TQString tagName = e.tagName().lower();
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if ( tagName != "enable" && tagName != "disable" )
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continue;
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bool processingActionsToEnable = (tagName == "enable");
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// process action names
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for (TQDomNode n2 = n.firstChild(); !n2.isNull(); n2 = n2.nextSibling() )
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{
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TQDomElement actionEl = n2.toElement();
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if ( actionEl.tagName().lower() != "action" ) continue;
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TQString actionName = actionEl.attribute( "name" );
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if ( !actionName || !actionName.length() ) return;
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if ( processingActionsToEnable )
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m_state.guiClient->addStateActionEnabled( stateName, actionName );
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else
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m_state.guiClient->addStateActionDisabled( stateName, actionName );
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}
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}
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}
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void BuildHelper::processMergeElement( const TQString &tag, const TQString &name, const TQDomElement &e )
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{
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static const TQString &tagDefineGroup = TDEGlobal::staticQString( "definegroup" );
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static const TQString &tagActionList = TDEGlobal::staticQString( "actionlist" );
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static const TQString &defaultMergingName = TDEGlobal::staticQString( "<default>" );
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static const TQString &attrGroup = TDEGlobal::staticQString( "group" );
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TQString mergingName( name );
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if ( mergingName.isEmpty() )
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{
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if ( tag == tagDefineGroup )
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{
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kdError(1000) << "cannot define group without name!" << endl;
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return;
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}
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if ( tag == tagActionList )
|
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{
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kdError(1000) << "cannot define actionlist without name!" << endl;
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return;
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}
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mergingName = defaultMergingName;
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}
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if ( tag == tagDefineGroup )
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mergingName.prepend( attrGroup ); //avoid possible name clashes by prepending
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// "group" to group definitions
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else if ( tag == tagActionList )
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mergingName.prepend( tagActionList );
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if ( parentNode->findIndex( mergingName ) != parentNode->mergingIndices.end() )
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return; //do not allow the redefinition of merging indices!
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MergingIndexList::Iterator mIt( parentNode->mergingIndices.end() );
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TQString group( e.attribute( attrGroup ) );
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if ( !group.isEmpty() )
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group.prepend( attrGroup );
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// calculate the index of the new merging index. Usually this does not need any calculation,
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// we just want the last available index (i.e. append) . But in case the <Merge> tag appears
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// "inside" another <Merge> tag from a previously build client, then we have to use the
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// "parent's" index. That's why we call calcMergingIndex here.
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MergingIndex newIdx;
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newIdx.value = parentNode->calcMergingIndex( group, mIt, m_state, ignoreDefaultMergingIndex );
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newIdx.mergingName = mergingName;
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newIdx.clientName = m_state.clientName;
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// if that merging index is "inside" another one, then append it right after the "parent" .
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if ( mIt != parentNode->mergingIndices.end() )
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parentNode->mergingIndices.insert( ++mIt, newIdx );
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else
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parentNode->mergingIndices.append( newIdx );
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|
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if ( mergingName == defaultMergingName )
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|
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|
ignoreDefaultMergingIndex = true;
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|
// re-calculate the running default and client merging indices.
|
|
m_state.currentDefaultMergingIt = parentNode->findIndex( defaultMergingName );
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|
parentNode->calcMergingIndex( TQString(), m_state.currentClientMergingIt,
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m_state, ignoreDefaultMergingIndex );
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}
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|
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|
void BuildHelper::processContainerElement( const TQDomElement &e, const TQString &tag,
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const TQString &name )
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|
{
|
|
static const TQString &defaultMergingName = TDEGlobal::staticQString( "<default>" );
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|
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|
ContainerNode *containerNode = parentNode->findContainer( name, tag,
|
|
&containerList,
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m_state.guiClient );
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|
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|
if ( !containerNode )
|
|
{
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|
MergingIndexList::Iterator it( m_state.currentClientMergingIt );
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|
TQString group;
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|
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|
int idx = calcMergingIndex( e, it, group );
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|
|
|
int id;
|
|
|
|
KXMLGUIBuilder *builder;
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|
|
|
TQWidget *container = createContainer( parentNode->container, idx, e, id, &builder );
|
|
|
|
// no container? (probably some <text> tag or so ;-)
|
|
if ( !container )
|
|
return;
|
|
|
|
parentNode->adjustMergingIndices( 1, it );
|
|
|
|
assert( !parentNode->findContainerNode( container ) );
|
|
|
|
containerList.append( container );
|
|
|
|
TQString mergingName;
|
|
if ( it != parentNode->mergingIndices.end() )
|
|
mergingName = (*it).mergingName;
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|
|
|
TQStringList cusTags = m_state.builderCustomTags;
|
|
TQStringList conTags = m_state.builderContainerTags;
|
|
if ( builder != m_state.builder )
|
|
{
|
|
cusTags = m_state.clientBuilderCustomTags;
|
|
conTags = m_state.clientBuilderContainerTags;
|
|
}
|
|
|
|
containerNode = new ContainerNode( container, tag, name, parentNode,
|
|
m_state.guiClient, builder, id,
|
|
mergingName, group, cusTags, conTags );
|
|
}
|
|
|
|
BuildHelper( m_state, containerNode ).build( e );
|
|
|
|
// and re-calculate running values, for better performance
|
|
m_state.currentDefaultMergingIt = parentNode->findIndex( defaultMergingName );
|
|
parentNode->calcMergingIndex( TQString(), m_state.currentClientMergingIt,
|
|
m_state, ignoreDefaultMergingIndex );
|
|
}
|
|
|
|
TQWidget *BuildHelper::createContainer( TQWidget *parent, int index,
|
|
const TQDomElement &element, int &id,
|
|
KXMLGUIBuilder **builder )
|
|
{
|
|
TQWidget *res = 0L;
|
|
|
|
if ( m_state.clientBuilder )
|
|
{
|
|
res = m_state.clientBuilder->createContainer( parent, index, element, id );
|
|
|
|
if ( res )
|
|
{
|
|
*builder = m_state.clientBuilder;
|
|
return res;
|
|
}
|
|
}
|
|
|
|
TDEInstance *oldInstance = m_state.builder->builderInstance();
|
|
KXMLGUIClient *oldClient = m_state.builder->builderClient();
|
|
|
|
m_state.builder->setBuilderClient( m_state.guiClient );
|
|
|
|
res = m_state.builder->createContainer( parent, index, element, id );
|
|
|
|
m_state.builder->setBuilderInstance( oldInstance );
|
|
m_state.builder->setBuilderClient( oldClient );
|
|
|
|
if ( res )
|
|
*builder = m_state.builder;
|
|
|
|
return res;
|
|
}
|
|
|
|
void BuildState::reset()
|
|
{
|
|
clientName = TQString();
|
|
actionListName = TQString();
|
|
actionList.clear();
|
|
guiClient = 0;
|
|
clientBuilder = 0;
|
|
|
|
currentDefaultMergingIt = currentClientMergingIt = MergingIndexList::Iterator();
|
|
}
|