resource.cpp

Qt/Embedded是一个多平台的C++图形用户界面应用程序框架

	else
	    r += l - 'a' + 10;
	ba[ i ] = r;
    }
    QString format = n2.attribute( "format", "PNG" );
    if ( format == "XPM.GZ" ) {
	ulong len = n2.attribute( "length" ).toULong();
	if ( len < data.length() * 5 )
	    len = data.length() * 5;
	QByteArray baunzip( len );
	::uncompress( (uchar*) baunzip.data(), &len, (uchar*) ba, data.length()/2 );
	img.loadFromData( (const uchar*)baunzip.data(), len, "XPM" );
    }  else {
	img.loadFromData( (const uchar*)ba, data.length() / 2, format );
    }
    delete [] ba;

    return img;
}

void Resource::loadImageCollection( const QDomElement &e )
{
    QDomElement n = e.firstChild().toElement();
    while ( !n.isNull() ) {
	if ( n.tagName() == "image" ) {
	    QDomElement n2 = n.firstChild().toElement();
	    Image img;
	    while ( !n2.isNull() ) {
		if ( n2.tagName() == "name" )
		    img.name = n2.firstChild().toText().data();
		else if ( n2.tagName() == "data" )
		    img.img = loadImageData( n2 );
		n2 = n2.nextSibling().toElement();
	    }
	    images.append( img );
	    n = n.nextSibling().toElement();
	}
    }
}

QImage Resource::loadFromCollection( const QString &name )
{
    QValueList<Image>::Iterator it = images.begin();
    for ( ; it != images.end(); ++it ) {
	if ( ( *it ).name == name )
	    return ( *it ).img;
    }
    return QImage();
}

void Resource::saveConnections( QTextStream &ts, int indent )
{
    ts << makeIndent( indent ) << "<connections>" << endl;
    indent++;
    QValueList<MetaDataBase::Connection> connections = MetaDataBase::connections( formwindow );
    QValueList<MetaDataBase::Connection>::Iterator it = connections.begin();
    for ( ; it != connections.end(); ++it ) {
	MetaDataBase::Connection conn = *it;
	if ( ( knownNames.findIndex( QString( conn.sender->name() ) ) == -1 && qstrcmp( conn.sender->name(), "this" ) != 0 ) ||
	     ( knownNames.findIndex( QString( conn.receiver->name() ) ) == -1 && qstrcmp( conn.receiver->name(), "this" ) != 0 ) )
	    continue;
	if ( formwindow->isMainContainer( (QWidget*)(*it).receiver ) && !MetaDataBase::hasSlot( formwindow, (*it).slot ) )
	    continue;

	if ( conn.sender->inherits( "CustomWidget" ) ) {
	    MetaDataBase::CustomWidget *cw = ( (CustomWidget*)conn.sender )->customWidget();
	    if ( cw && !cw->hasSignal( conn.signal ) )
		continue;
	}
	
	if ( conn.receiver->inherits( "CustomWidget" ) ) {
	    MetaDataBase::CustomWidget *cw = ( (CustomWidget*)conn.receiver )->customWidget();
	    if ( cw && !cw->hasSlot( conn.slot ) )
		continue;
	}

	ts << makeIndent( indent ) << "<connection>" << endl;
	indent++;
	ts << makeIndent( indent ) << "<sender>" << entitize( conn.sender->name() ) << "</sender>" << endl;
	ts << makeIndent( indent ) << "<signal>" << entitize( conn.signal ) << "</signal>" << endl;
	ts << makeIndent( indent ) << "<receiver>" << entitize( conn.receiver->name() ) << "</receiver>" << endl;
	ts << makeIndent( indent ) << "<slot>" << entitize( conn.slot ) << "</slot>" << endl;
	indent--;
	ts << makeIndent( indent ) << "</connection>" << endl;
    }

    QValueList<MetaDataBase::Slot> slotList = MetaDataBase::slotList( formwindow );
    if ( !slotList.isEmpty() ) {
	QValueList<MetaDataBase::Slot>::Iterator it = slotList.begin();
	for ( ; it != slotList.end(); ++it ) {
	    MetaDataBase::Slot slot = *it;
	    ts << makeIndent( indent ) << "<slot access=\"" << slot.access << "\">" << entitize( slot.slot ) << "</slot>" << endl;
	}
    }

    indent--;
    ts << makeIndent( indent ) << "</connections>" << endl;
}

void Resource::loadConnections( const QDomElement &e )
{
    QDomElement n = e.firstChild().toElement();
    while ( !n.isNull() ) {
	if ( n.tagName() == "connection" ) {
	    QDomElement n2 = n.firstChild().toElement();
	    MetaDataBase::Connection conn;
	    while ( !n2.isNull() ) {
		if ( n2.tagName() == "sender" ) {
		    QString name = n2.firstChild().toText().data();
		    if ( name == "this" || qstrcmp( toplevel->name(), name ) == 0 ) {
			conn.sender = toplevel;
		    } else {
			if ( name == "this" )
			    name = toplevel->name();
			QObjectList *l = toplevel->queryList( 0, name, FALSE );
			if ( l ) {
			    if ( l->first() )
				conn.sender = l->first();
			    delete l;
			}
		    }
		} else if ( n2.tagName() == "signal" ) {
		    conn.signal = n2.firstChild().toText().data();
		} else if ( n2.tagName() == "receiver" ) {
		    QString name = n2.firstChild().toText().data();
		    if ( name == "this" || qstrcmp( toplevel->name(), name ) == 0 ) {
			conn.receiver = toplevel;
		    } else {
			QObjectList *l = toplevel->queryList( 0, name, FALSE );
			if ( l ) {
			    if ( l->first() )
				conn.receiver = l->first();
			    delete l;
			}
		    }
		} else if ( n2.tagName() == "slot" ) {
		    conn.slot = n2.firstChild().toText().data();
		}
		n2 = n2.nextSibling().toElement();
	    }
	    if ( formwindow ) {
		if ( conn.sender == formwindow )
		    conn.sender = formwindow->mainContainer();
		if ( conn.receiver == formwindow )
		    conn.receiver = formwindow->mainContainer();
	    }
	    MetaDataBase::addConnection( formwindow ? formwindow : toplevel, conn.sender, conn.signal, conn.receiver, conn.slot );
	} else if ( n.tagName() == "slot" ) {
	    MetaDataBase::Slot slot;
	    slot.access = n.attribute( "access", "public" );
	    slot.slot = n.firstChild().toText().data();
	    MetaDataBase::addSlot( formwindow ? formwindow : toplevel, slot.slot, slot.access );
	}
	n = n.nextSibling().toElement();
    }
}

void Resource::saveCustomWidgets( QTextStream &ts, int indent )
{
    ts << makeIndent( indent ) << "<customwidgets>" << endl;
    indent++;

    QList<MetaDataBase::CustomWidget> *lst = MetaDataBase::customWidgets();
    for ( MetaDataBase::CustomWidget *w = lst->first(); w; w = lst->next() ) {
	if ( usedCustomWidgets.findIndex( w->className ) == -1 )
	    continue;
	ts << makeIndent( indent ) << "<customwidget>" << endl;
	indent++;
	ts << makeIndent( indent ) << "<class>" << w->className << "</class>" << endl;
	ts << makeIndent( indent ) << "<header location=\""
	   << ( w->includePolicy == MetaDataBase::CustomWidget::Local ? "local" : "global" )
	   << "\">" << w->includeFile << "</header>" << endl;
	ts << makeIndent( indent ) << "<sizehint>" << endl;
	indent++;
	ts << makeIndent( indent ) << "<width>" << w->sizeHint.width() << "</width>" << endl;
	ts << makeIndent( indent ) << "<height>" << w->sizeHint.height() << "</height>" << endl;
	indent--;
	ts << makeIndent( indent ) << "</sizehint>" << endl;
	ts << makeIndent( indent ) << "<container>" << (int)w->isContainer << "</container>" << endl;
	ts << makeIndent( indent ) << "<sizepolicy>" << endl;
	indent++;
	ts << makeIndent( indent ) << "<hordata>" << (int)w->sizePolicy.horData() << "</hordata>" << endl;
	ts << makeIndent( indent ) << "<verdata>" << (int)w->sizePolicy.verData() << "</verdata>" << endl;
	indent--;
	ts << makeIndent( indent ) << "</sizepolicy>" << endl;
	ts << makeIndent( indent ) << "<pixmap>" << saveInCollection( w->pixmap->convertToImage() ) << "</pixmap>" << endl;
	if ( !w->lstSignals.isEmpty() ) {
	    for ( QValueList<QCString>::Iterator it = w->lstSignals.begin(); it != w->lstSignals.end(); ++it )
		ts << makeIndent( indent ) << "<signal>" << entitize( *it ) << "</signal>" << endl;
	}
	if ( !w->lstSlots.isEmpty() ) {
	    for ( QValueList<MetaDataBase::Slot>::Iterator it = w->lstSlots.begin(); it != w->lstSlots.end(); ++it )
		ts << makeIndent( indent ) << "<slot access=\"" << (*it).access << "\">" << entitize( (*it).slot ) << "</slot>" << endl;
	}	
	if ( !w->lstProperties.isEmpty() ) {
	    for ( QValueList<MetaDataBase::Property>::Iterator it = w->lstProperties.begin(); it != w->lstProperties.end(); ++it )
		ts << makeIndent( indent ) << "<property type=\"" << (*it).type << "\">" << entitize( (*it).property ) << "</property>" << endl;
	}	
	indent--;
	ts << makeIndent( indent ) << "</customwidget>" << endl;
    }


    indent--;
    ts << makeIndent( indent ) << "</customwidgets>" << endl;
}

void Resource::loadCustomWidgets( const QDomElement &e, Resource *r )
{
    QDomElement n = e.firstChild().toElement();
    while ( !n.isNull() ) {
	if ( n.tagName() == "customwidget" ) {
	    QDomElement n2 = n.firstChild().toElement();
	    MetaDataBase::CustomWidget *w = new MetaDataBase::CustomWidget;
	    while ( !n2.isNull() ) {
		if ( n2.tagName() == "class" ) {
		    w->className = n2.firstChild().toText().data();
		} else if ( n2.tagName() == "header" ) {
		    w->includeFile = n2.firstChild().toText().data();
		    QString s = n2.attribute( "location" );
		    if ( s != "local" )
			w->includePolicy = MetaDataBase::CustomWidget::Global;
		    else
			w->includePolicy = MetaDataBase::CustomWidget::Local;
		} else if ( n2.tagName() == "sizehint" ) {
		    QDomElement n3 = n2.firstChild().toElement();
		    while ( !n3.isNull() ) {
			if ( n3.tagName() == "width" )
			    w->sizeHint.setWidth( n3.firstChild().toText().data().toInt() );
			else if ( n3.tagName() == "height" )
			    w->sizeHint.setHeight( n3.firstChild().toText().data().toInt() );
			n3 = n3.nextSibling().toElement();
		    }
		} else if ( n2.tagName() == "sizepolicy" ) {
		    QDomElement n3 = n2.firstChild().toElement();
		    while ( !n3.isNull() ) {
			if ( n3.tagName() == "hordata" )
			    w->sizePolicy.setHorData( (QSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
			else if ( n3.tagName() == "verdata" )
			    w->sizePolicy.setVerData( (QSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
			n3 = n3.nextSibling().toElement();
		    }
		} else if ( n2.tagName() == "pixmap" ) {
		    QPixmap pix;
		    if ( r ) {
			pix = r->loadPixmap( n2 );
		    } else {
			QDomElement n3 = n2.firstChild().toElement();
			QImage img;
			while ( !n3.isNull() ) {
			    if ( n3.tagName() == "data" ) {
				img = loadImageData( n3 );
			    }
			    n3 = n3.nextSibling().toElement();
			}
			pix.convertFromImage( img );
		    }
		    w->pixmap = new QPixmap( pix );
		} else if ( n2.tagName() == "signal" ) {
		    w->lstSignals.append( n2.firstChild().toText().data().latin1() );
		} else if ( n2.tagName() == "container" ) {
		    w->isContainer = (bool)n2.firstChild().toText().data().toInt();
		} else if ( n2.tagName() == "slot" ) {
		    MetaDataBase::Slot slot;
		    slot.slot = n2.firstChild().toText().data().latin1();
		    slot.access = n2.attribute( "access" );
		    w->lstSlots.append( slot );
		} else if ( n2.tagName() == "property" ) {
		    MetaDataBase::Property property;
		    property.property = n2.firstChild().toText().data().latin1();
		    property.type = n2.attribute( "type" );
		    w->lstProperties.append( property );
		}
		n2 = n2.nextSibling().toElement();
	    }
	    MetaDataBase::addCustomWidget( w );
	}
	n = n.nextSibling().toElement();
    }
}

void Resource::saveTabOrder( QTextStream &ts, int indent )
{
    QWidgetList l = MetaDataBase::tabOrder( toplevel );
    if ( l.isEmpty() )
	return;

    ts << makeIndent( indent ) << "<tabstops>" << endl;
    indent++;

    for ( QWidget *w = l.first(); w; w = l.next() ) {
	if ( w->testWState( Qt::WState_ForceHide ) || knownNames.findIndex( w->name() ) == -1 )
	    continue;
	ts << makeIndent( indent ) << "<tabstop>" << w->name() << "</tabstop>" << endl;
    }

    indent--;
    ts << makeIndent( indent ) << "</tabstops>" << endl;
}

void Resource::loadTabOrder( const QDomElement &e )
{
    QWidget *last = 0;
    QDomElement n = e.firstChild().toElement();
    QWidgetList widgets;
    while ( !n.isNull() ) {
	if ( n.tagName() == "tabstop" ) {
	    QString name = n.firstChild().toText().data();
	    QObjectList *l = toplevel->queryList( 0, name, FALSE );
	    if ( l ) {
		if ( l->first() ) {
		    QWidget *w = (QWidget*)l->first();
		    widgets.append( w );
		    if ( last )
			toplevel->setTabOrder( last, w );
		    last = w;
		}
		delete l;
	    }
	}
	n = n.nextSibling().toElement();
    }

    if ( !widgets.isEmpty() )
	MetaDataBase::setTabOrder( toplevel, widgets );
}

void Resource::saveMetaInfo( QTextStream &ts, int indent )
{
    MetaDataBase::MetaInfo info = MetaDataBase::metaInfo( formwindow );
    QString cn;
    if ( info.classNameChanged && !info.className.isEmpty() )
	cn = info.className;
    else
	cn = formwindow->name();
    ts << makeIndent( indent ) << "<class>" << entitize( cn ) << "</class>" << endl;
    if ( !info.comment.isEmpty() )
	ts << makeIndent( indent ) << "<comment>" << entitize( info.comment ) << "</comment>" << endl;
    if ( !info.author.isEmpty() )
	ts << makeIndent( indent ) << "<author>" << entitize( info.author ) << "</author>" << endl;

    QValueList<MetaDataBase::Include> includes = MetaDataBase::includes( formwindow );
    for ( QValueList<MetaDataBase::Include>::Iterator it = includes.begin(); it != includes.end(); ++it )
	ts << makeIndent( indent ) << "<include location=\"" << (*it).location << "\">" << (*it).header << "</include>" << endl;
    QStringList forwards = MetaDataBase::forwards( formwindow );
    for ( QStringList::Iterator it2 = forwards.begin(); it2 != forwards.end(); ++it2 )
	ts << makeIndent( indent ) << "<forward>" << *it2 << "</forward>" << endl;
    if ( formwindow && !formwindow->savePixmapInline() )
	ts << makeIndent( indent ) << "<pixmapfunction>" << formwindow->pixmapLoaderFunction() << "</pixmapfunction>" << endl;
}


QColorGroup Resource::loadColorGroup( const QDomElement &e )
{
    QColorGroup cg;
    int r = -1;
    QDomElement n = e.firstChild().toElement();
    QColor col;
    while ( !n.isNull() ) {
	if ( n.tagName() == "color" ) {
	    r++;
	    cg.setColor( (QColorGroup::ColorRole)r, (col = DomTool::readColor( n ) ) );
	} else if ( n.tagName() == "pixmap" ) {
	    QImage img = loadFromCollection( n.firstChild().toText().data() );
	    QPixmap pix = loadPixmap( n );
	    cg.setBrush( (QColorGroup::ColorRole)r, QBrush( col, pix ) );
	}
	n = n.nextSibling().toElement();
    }
    return cg;
}