resource.cpp

来自「qt-x11-free-3.0.3.tar.gz minigui图形界面工具」· C++ 代码 · 共 1,943 行 · 第 1/5 页

	    item->setPixmap( i, pixmaps[ i ] );
	}
	lastItem = item;
    }
}

QWidget *Resource::createSpacer( const QDomElement &e, QWidget *parent, QLayout *layout, Qt::Orientation o )
{
    QDomElement n = e.firstChild().toElement();
    int row = e.attribute( "row" ).toInt();
    int col = e.attribute( "column" ).toInt();
    int rowspan = e.attribute( "rowspan" ).toInt();
    int colspan = e.attribute( "colspan" ).toInt();
    if ( rowspan < 1 )
	rowspan = 1;
    if ( colspan < 1 )
	colspan = 1;

    Spacer *spacer = (Spacer*) WidgetFactory::create( WidgetDatabase::idFromClassName("Spacer"),
						      parent, "spacer", FALSE);
    spacer->setOrientation( o );
    spacer->setAutoResize( FALSE );
    while ( !n.isNull() ) {
	if ( n.tagName() == "property" )
	    setObjectProperty( spacer, n.attribute( "name" ), n.firstChild().toElement() );
	n = n.nextSibling().toElement();
    }
    spacer->setAutoResize( TRUE );
    if ( formwindow )
	formwindow->insertWidget( spacer, pasting );
    if ( layout ) {
	if ( layout->inherits( "QBoxLayout" ) )
	    ( (QBoxLayout*)layout )->addWidget( spacer, 0, spacer->alignment() );
	else
	    ( (QDesignerGridLayout*)layout )->addMultiCellWidget( spacer, row, row + rowspan - 1, col, col + colspan - 1,
								  spacer->alignment() );
    }
    return spacer;
}

/*!
  Attention: this function has to be in sync with Uic::setObjectProperty(). If you change one, change both.
*/
void Resource::setObjectProperty( QObject* obj, const QString &prop, const QDomElement &e )
{
    const QMetaProperty *p = obj->metaObject()->property( obj->metaObject()->findProperty( prop, TRUE ), TRUE );

    if ( !obj->inherits( "QLayout" )  ) {// no layouts in metadatabase... (RS)
	if ( obj->inherits( "CustomWidget" ) ) {
	    MetaDataBase::CustomWidget *cw = ( (CustomWidget*)obj )->customWidget();
	    if ( cw && !cw->hasProperty( prop.latin1() ) && !p && prop != "toolTip" && prop != "whatsThis" )
		return;
	}
	MetaDataBase::setPropertyChanged( obj, prop, TRUE );
    }

    QVariant defVarient;
    if ( e.tagName() == "font" ) {
	QFont f( qApp->font() );
	if ( obj->isWidgetType() && ( (QWidget*)obj )->parentWidget() )
	    f = ( (QWidget*)obj )->parentWidget()->font();
	defVarient = QVariant( f );
    }

    QString comment;
    QVariant v( DomTool::elementToVariant( e, defVarient, comment ) );

    if ( !comment.isEmpty() ) {
	MetaDataBase::addEntry( obj );
	MetaDataBase::setPropertyComment( obj, prop, comment );
    }

    if ( e.tagName() == "pixmap" ) {
	QPixmap pix = loadPixmap( e );
	if ( pix.isNull() )
	    return;
	v = QVariant( pix );
    } else if ( e.tagName() == "iconset" ) {
	QPixmap pix = loadPixmap( e, "iconset" );
	if ( pix.isNull() )
	    return;
	v = QVariant( QIconSet( pix ) );
    } else if ( e.tagName() == "image" ) {
	v = QVariant( loadFromCollection( v.toString() ) );
    }

    if ( !p ) {
	MetaDataBase::setFakeProperty( obj, prop, v );
	if ( obj->isWidgetType() ) {
	    if ( prop == "database" && obj != toplevel ) {
		QStringList lst = MetaDataBase::fakeProperty( obj, "database" ).toStringList();
		if ( lst.count() > 2 )
		    dbControls.insert( obj->name(), lst[ 2 ] );
		else if ( lst.count() == 2 )
		    dbTables.insert( obj->name(), lst );
	    }
	    return;
	}
    }


    if ( e.tagName() == "palette" ) {
	QDomElement n = e.firstChild().toElement();
	QPalette p;
	while ( !n.isNull() ) {
	    QColorGroup cg;
	    if ( n.tagName() == "active" ) {
		cg = loadColorGroup( n );
		p.setActive( cg );
	    } else if ( n.tagName() == "inactive" ) {
		cg = loadColorGroup( n );
		p.setInactive( cg );
	    } else if ( n.tagName() == "disabled" ) {
		cg = loadColorGroup( n );
		p.setDisabled( cg );
	    }
	    n = n.nextSibling().toElement();
	}
	v = QPalette( p );
    } else if ( e.tagName() == "enum" && p && p->isEnumType() ) {
	QString key( v.toString() );
	v = QVariant( p->keyToValue( key ) );
    } else if ( e.tagName() == "set" && p && p->isSetType() ) {
	QString keys( v.toString() );
	QStringList lst = QStringList::split( '|', keys );
	QStrList l;
	for ( QStringList::Iterator it = lst.begin(); it != lst.end(); ++it )
	    l.append( *it );
	v = QVariant( p->keysToValue( l ) );
    }

    if ( prop == "caption" ) {
	QCString s1 = v.toCString();
	QString s2 = v.toString();
	if ( !s1.isEmpty() )
	    formwindow->setCaption( s1 );
	else if ( !s2.isEmpty() )
	    formwindow->setCaption( s2 );
    }
    if ( prop == "icon" ) {
	formwindow->setIcon( v.toPixmap() );
    }

    if ( prop == "geometry" ) {
	if ( obj == toplevel ) {
	    hadGeometry = TRUE;
	    toplevel->resize( v.toRect().size() );
	    return;
	} else if ( obj == formwindow->mainContainer() ) {
	    hadGeometry = TRUE;
	    formwindow->resize( v.toRect().size() );
	    return;
	}
    }

    if ( obj->inherits( "QLayout" ) ) {
	if ( prop == "spacing" ) {
	    MetaDataBase::setSpacing( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( (QLayout*)obj ) ), v.toInt() );
	    return;
	}
	if ( prop == "margin" ) {
	    MetaDataBase::setMargin( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( (QLayout*)obj ) ), v.toInt() );
	    return;
	}
    }

    if ( prop == "name" ) {
	if ( pasting ) {
	    QString s = v.toString();
	    formwindow->unify( (QWidget*)obj, s, TRUE );
	    obj->setName( s );
	    return;
	} else if ( formwindow && obj == formwindow->mainContainer() ) {
	    formwindow->setName( v.toCString() );
	}
    }

    if ( prop == "sizePolicy" ) {
	QSizePolicy sp = v.toSizePolicy();
	sp.setHeightForWidth( ( (QWidget*)obj )->sizePolicy().hasHeightForWidth() );
    }

    obj->setProperty( prop, v );
}


QString Resource::saveInCollection( const QImage &img )
{
    QString imgName = "none";
    QValueList<Image>::Iterator it = images.begin();
    for ( ; it != images.end(); ++it ) {
	if ( img == ( *it ).img ) {
	    imgName = ( *it ).name;
	    break;
	}
    }

    if ( imgName == "none" ) {
	Image i;
	imgName = "image" + QString::number( images.count() );
	i.name = imgName;
	i.img = img;
	images.append( i );
    }
    return imgName;
}

void Resource::saveImageData( const QImage &img, QTextStream &ts, int indent )
{
    QByteArray ba;
    QBuffer buf( ba );
    buf.open( IO_WriteOnly );
    QImageIO iio( &buf, "XPM" );
    iio.setImage( img );
    iio.write();
    buf.close();
    ulong len = ba.size() * 2;
    QByteArray bazip( len );
    ::compress(  (uchar*) bazip.data(), &len, (uchar*) ba.data(), ba.size() );
    QString res;
    ts << makeIndent( indent ) << "<data format=\"XPM.GZ\" length=\"" << ba.size() << "\">";
    static const char hexchars[] = "0123456789abcdef";
    for ( int i = 0; i < (int)len; ++i ) {
	uchar s = (uchar) bazip[i];
	ts << hexchars[s >> 4];
	ts << hexchars[s & 0x0f];
    }
    ts << "</data>" << endl;
}

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

    QValueList<Image>::Iterator it = images.begin();
    for ( ; it != images.end(); ++it ) {
	ts << makeIndent( indent ) << "<image name=\"" << (*it).name << "\">" << endl;
	indent++;
	saveImageData( (*it).img, ts, indent );
	indent--;
	ts << makeIndent( indent ) << "</image>" << endl;
    }

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

static QImage loadImageData( QDomElement &n2 )
{
    QImage img;
    QString data = n2.firstChild().toText().data();
    char *ba = new char[ data.length() / 2 ];
    for ( int i = 0; i < (int)data.length() / 2; ++i ) {
	char h = data[ 2 * i ].latin1();
	char l = data[ 2 * i  + 1 ].latin1();
	uchar r = 0;
	if ( h <= '9' )
	    r += h - '0';
	else
	    r += h - 'a' + 10;
	r = r << 4;
	if ( l <= '9' )
	    r += l - '0';
	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" ) {
	    Image img;
	    img.name =  n.attribute( "name" );
	    QDomElement n2 = n.firstChild().toElement();
	    while ( !n2.isNull() ) {
		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, MetaDataBase::normalizeSlot( (*it).slot ).latin1() ) )
	    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" ) && !formwindow->isMainContainer( conn.receiver ) ) {
	    MetaDataBase::CustomWidget *cw = ( (CustomWidget*)conn.receiver )->customWidget();
	    if ( cw && !cw->hasSlot( MetaDataBase::normalizeSlot( conn.slot ).latin1() ) )
		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( MetaDataBase::normalizeSlot( conn.slot ) ) << "</slot>" << endl;
	indent--;
	ts << makeIndent( indent ) << "</connection>" << endl;
    }

    QString lang = formwindow->project()->language();
    LanguageInterface *iface = langIface;
    if ( iface && MetaDataBase::hasEvents( lang ) ) {
	QObjectList *l = formwindow->queryList( "QWidget" );
	l->append( formwindow );
	QPtrList<QAction> lst = formwindow->actionList();
	for ( QAction *a = lst.first(); a; a = lst.next() )
	    l->append( a );
	for ( QObject *o = l->first(); o; o = l->next() ) {
	    if ( !MetaDataBase::hasObject( o ) )
		continue;
	    QMap<QString, QStringList> eventFunctions = MetaDataBase::eventFunctions( o );
	    QMap<QString, QStringList>::ConstIterator it = eventFunctions.begin();
	    for ( ; it != eventFunctions.end(); ++it ) {
		QString sls = (*it).join( "," );
		MetaDataBase::Connection conn;
		conn.sender = o;
		conn.signal = it.key();
		conn.slot = sls;
		langConnections[ lang ].append( conn );
	    }
	}
	delete l;
    }

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

void Resource::loadConnections( const QDomElement &e )
{
    QDomElement n = e.firstChild().toElement();
    while ( !n.isNull() ) {
	if ( n.tagName() == "connection" ) {
	    QString lang = n.attribute( "language", "C+