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List:       koffice-devel
Subject:    Loading plugins from koView subclass
From:       Boudewijn Rempt <boud () valdyas ! org>
Date:       2005-10-28 8:58:37
Message-ID: 200510281058.41120.boud () valdyas ! org
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I wanted to load Krita's kxmlgui-based plugins myself so I can check for 
version numbers. However, I've got two or three problems:

* Either I use mainWindow()->guiFactory() to add the plugins to my view, but 
then the plugins construct the gui first, messing up the menu layout, and I 
get an error saying that krita.so doesn't have an init_krita funciton

* Or I use the factory() function of the KoView subclass (KisView) to add the 
plugins, but then I get the crash.

The plugins are found correctly, as are rc files. This is what I do in 
KisView:

KisView::KisView(...) 
{
...
    setInstance(KisFactory::instance());
    setClientBuilder( this );

    if (!doc -> isReadWrite())
        setXMLFile("krita_readonly.rc");
    else
        setXMLFile("krita.rc");
    KStdAction::keyBindings( mainWindow()->guiFactory(), 	
	SLOT( configureShortcuts() ), actionCollection() );

...

    // Load all plugins
    KTrader::OfferList offers = 
	KTrader::self() -> query(QString::fromLatin1("Krita/ViewPlugin"),
                                 QString::fromLatin1("(Type == 'Service') 
				and "([X-KDE-Version] == 2)"));
    KTrader::OfferList::ConstIterator iter;
    for(iter = offers.begin(); iter != offers.end(); ++iter)
    {
        KService::Ptr service = *iter;
        int errCode = 0;
        KParts::Plugin* plugin =
           KParts::ComponentFactory::createInstanceFromService<KParts::Plugin> 
				( service, this, 0, QStringList(), &errCode);
        if ( plugin ) {
            factory()->addClient(plugin);
	    // mainWindow()->guiFactory()->addClient(plugin)
      
}

And a typical plugin looks like this:

KisSeparateChannelsPlugin::KisSeparateChannelsPlugin(QObject *parent, const 
char *name, const QStringList &)
    : KParts::Plugin(parent, name)
{

    if ( parent->inherits("KisView") ) {
        kdDebug () << "instantiating separate channels plugin\n";

        setInstance(KGenericFactory<KisSeparateChannelsPlugin>::instance());
        setXMLFile(locate("data","kritaplugins/imageseparate.rc"), true);

    }
}

Now what am I doing wrong? I'm at my wits end...

-- 
Boudewijn Rempt 
http://www.valdyas.org/fading/index.cgi

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