object.cpp

这个是Linux的qt源代码

    if ( objClass.isEmpty() )
	return;
    QString objName = getObjectName( e );
#if 0 // it's not clear whether this check should be here or not
    if ( objName.isEmpty() )
	return;
#endif
    for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
	if ( n.tagName() == "property" ) {
	    bool stdset = stdsetdef;
	    if ( n.hasAttribute( "stdset" ) )
		stdset = toBool( n.attribute( "stdset" ) );
	    QString prop = n.attribute( "name" );
	    if ( prop != exclusiveProp )
		continue;
	    QString value = setObjectProperty( objClass, objName, prop, n.firstChild().toElement(), stdset );
	    if ( value.isEmpty() )
		continue;
	    // we assume the property isn't of type 'string'
	    out << '\t' << objName << "->setProperty( \"" << prop << "\", " << value << " );" << endl;
	}
    }
}


/*!  Attention: this function has to be in sync with
  Resource::saveProperty() and DomTool::elementToVariant. If you
  change one, change all.
 */
QString Uic::setObjectProperty( const QString& objClass, const QString& obj, const QString &prop, const QDomElement &e, bool stdset )
{
    QString v;
    if ( e.tagName() == "rect" ) {
	QDomElement n3 = e.firstChild().toElement();
	int x = 0, y = 0, w = 0, h = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "x" )
		x = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "y" )
		y = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "width" )
		w = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "height" )
		h = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QRect( %1, %2, %3, %4 )";
	v = v.arg(x).arg(y).arg(w).arg(h);

    } else if ( e.tagName() == "point" ) {
	QDomElement n3 = e.firstChild().toElement();
	int x = 0, y = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "x" )
		x = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "y" )
		y = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QPoint( %1, %2 )";
	v = v.arg(x).arg(y);
    } else if ( e.tagName() == "size" ) {
	QDomElement n3 = e.firstChild().toElement();
	int w = 0, h = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "width" )
		w = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "height" )
		h = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QSize( %1, %2 )";
	v = v.arg(w).arg(h);
    } else if ( e.tagName() == "color" ) {
	QDomElement n3 = e.firstChild().toElement();
	int r = 0, g = 0, b = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "red" )
		r = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "green" )
		g = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "blue" )
		b = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QColor( %1, %2, %3 )";
	v = v.arg(r).arg(g).arg(b);
    } else if ( e.tagName() == "font" ) {
	QDomElement n3 = e.firstChild().toElement();
	QString attrname = e.parentNode().toElement().attribute( "name", "font" );
	QString fontname;
	if ( !obj.isEmpty() ) {
	    fontname = registerObject( obj + "_" + attrname );
	    out << indent << "QFont "  << fontname << "(  " << obj << "->font() );" << endl;
	} else {
	    fontname = registerObject( "f" );
	    out << indent << "QFont "  << fontname << "( font() );" << endl;
	}
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "family" )
		out << indent << fontname << ".setFamily( \"" << n3.firstChild().toText().data() << "\" );" << endl;
	    else if ( n3.tagName() == "pointsize" )
		out << indent << fontname << ".setPointSize( " << n3.firstChild().toText().data() << " );" << endl;
	    else if ( n3.tagName() == "bold" )
		out << indent << fontname << ".setBold( " << mkBool( n3.firstChild().toText().data() ) << " );" << endl;
	    else if ( n3.tagName() == "italic" )
		out << indent << fontname << ".setItalic( " << mkBool( n3.firstChild().toText().data() ) << " );" << endl;
	    else if ( n3.tagName() == "underline" )
		out << indent << fontname << ".setUnderline( " << mkBool( n3.firstChild().toText().data() ) << " );" << endl;
	    else if ( n3.tagName() == "strikeout" )
		out << indent << fontname << ".setStrikeOut( " << mkBool( n3.firstChild().toText().data() ) << " );" << endl;
	    n3 = n3.nextSibling().toElement();
	}

	if ( prop == "font" ) {
	    if ( !obj.isEmpty() )
		out << indent << obj << "->setFont( " << fontname << " ); " << endl;
	    else
		out << indent << "setFont( " << fontname << " ); " << endl;
	} else {
	    v = fontname;
	}
    } else if ( e.tagName() == "string" ) {
	QString txt = e.firstChild().toText().data();
	QString com = getComment( e.parentNode() );

	if ( prop == "toolTip" && objClass != "QAction" && objClass != "QActionGroup" ) {
	    if ( !obj.isEmpty() )
		trout << indent << "QToolTip::add( " << obj << ", "
		      << trcall( txt, com ) << " );" << endl;
	    else
		trout << indent << "QToolTip::add( this, "
		      << trcall( txt, com ) << " );" << endl;
	} else if ( prop == "whatsThis" && objClass != "QAction" && objClass != "QActionGroup" ) {
	    if ( !obj.isEmpty() )
		trout << indent << "QWhatsThis::add( " << obj << ", "
		      << trcall( txt, com ) << " );" << endl;
	    else
		trout << indent << "QWhatsThis::add( this, "
		      << trcall( txt, com ) << " );" << endl;
	} else {
	    v = trcall( txt, com );
	}
    } else if ( e.tagName() == "cstring" ) {
	    v = "\"%1\"";
	    v = v.arg( e.firstChild().toText().data() );
    } else if ( e.tagName() == "number" ) {
	v = "%1";
	v = v.arg( e.firstChild().toText().data() );
    } else if ( e.tagName() == "bool" ) {
	if ( stdset )
	    v = "%1";
	else
	    v = "QVariant( %1, 0 )";
	v = v.arg( mkBool( e.firstChild().toText().data() ) );
    } else if ( e.tagName() == "pixmap" ) {
	v = e.firstChild().toText().data();
	if ( !pixmapLoaderFunction.isEmpty() ) {
	    v.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
	    v.append( QString( externPixmaps ? "\"" : "" ) + " )" );
	}
    } else if ( e.tagName() == "iconset" ) {
	v = "QIconSet( %1 )";
	QString s = e.firstChild().toText().data();
	if ( !pixmapLoaderFunction.isEmpty() ) {
	    s.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
	    s.append( QString( externPixmaps ? "\"" : "" ) + " )" );
	}
	v = v.arg( s );
    } else if ( e.tagName() == "image" ) {
	v = e.firstChild().toText().data() + ".convertToImage()";
    } else if ( e.tagName() == "enum" ) {
	if ( stdset )
	    v = "%1::%2";
	else
	    v = "\"%1\"";
	QString oc = objClass;
	QString ev = e.firstChild().toText().data();
	if ( oc == "QListView" && ev == "Manual" ) // #### workaround, rename QListView::Manual in 4.0
	    oc = "QScrollView";
	if ( stdset )
	    v = v.arg( oc ).arg( ev );
	else
	    v = v.arg( ev );
    } else if ( e.tagName() == "set" ) {
	QString keys( e.firstChild().toText().data() );
	QStringList lst = QStringList::split( '|', keys );
	v = "int( ";
	QStringList::Iterator it = lst.begin();
	while ( it != lst.end() ) {
	    v += objClass + "::" + *it;
	    if ( it != lst.fromLast() )
		v += " | ";
	    ++it;
	}
	v += " )";
    } else if ( e.tagName() == "sizepolicy" ) {
	QDomElement n3 = e.firstChild().toElement();
	QSizePolicy sp;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "hsizetype" )
		sp.setHorData( (QSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
	    else if ( n3.tagName() == "vsizetype" )
		sp.setVerData( (QSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
	    else if ( n3.tagName() == "horstretch" )
		sp.setHorStretch( n3.firstChild().toText().data().toInt() );
	    else if ( n3.tagName() == "verstretch" )
		sp.setVerStretch( n3.firstChild().toText().data().toInt() );
	    n3 = n3.nextSibling().toElement();
	}
	QString tmp;
	if ( !obj.isEmpty() )
	    tmp = obj + "->";
	v = "QSizePolicy( (QSizePolicy::SizeType)%1, (QSizePolicy::SizeType)%2, %3, %4, " + tmp + "sizePolicy().hasHeightForWidth() )";
	v = v.arg( (int)sp.horData() ).arg( (int)sp.verData() ).arg( sp.horStretch() ).arg( sp.verStretch() );
    } else if ( e.tagName() == "palette" ) {
	QPalette pal;
	bool no_pixmaps = e.elementsByTagName( "pixmap" ).count() == 0;
	QDomElement n;
	if ( no_pixmaps ) {
	    n = e.firstChild().toElement();
	    while ( !n.isNull() ) {
		QColorGroup cg;
		if ( n.tagName() == "active" ) {
		    cg = loadColorGroup( n );
		    pal.setActive( cg );
		} else if ( n.tagName() == "inactive" ) {
		    cg = loadColorGroup( n );
		    pal.setInactive( cg );
		} else if ( n.tagName() == "disabled" ) {
		    cg = loadColorGroup( n );
		    pal.setDisabled( cg );
		}
		n = n.nextSibling().toElement();
	    }
	}
	if ( no_pixmaps && pal == QPalette( pal.active().button(), pal.active().background() ) ) {
	    v = "QPalette( QColor( %1, %2, %3 ), QColor( %1, %2, %3 ) )";
	    v = v.arg( pal.active().button().red() ).arg( pal.active().button().green() ).arg( pal.active().button().blue() );
	    v = v.arg( pal.active().background().red() ).arg( pal.active().background().green() ).arg( pal.active().background().blue() );
	} else {
	    QString palette = "pal";
	    if ( !pal_used ) {
		out << indent << "QPalette " << palette << ";" << endl;
		pal_used = TRUE;
	    }
	    QString cg = "cg";
	    if ( !cg_used ) {
		out << indent << "QColorGroup " << cg << ";" << endl;
		cg_used = TRUE;
	    }
	    n = e.firstChild().toElement();
	    while ( !n.isNull() && n.tagName() != "active" )
		n = n.nextSibling().toElement();
	    createColorGroupImpl( cg, n );
	    out << indent << palette << ".setActive( " << cg << " );" << endl;

	    n = e.firstChild().toElement();
	    while ( !n.isNull() && n.tagName() != "inactive" )
		n = n.nextSibling().toElement();
	    createColorGroupImpl( cg, n );
	    out << indent << palette << ".setInactive( " << cg << " );" << endl;

	    n = e.firstChild().toElement();
	    while ( !n.isNull() && n.tagName() != "disabled" )
		n = n.nextSibling().toElement();
	    createColorGroupImpl( cg, n );
	    out << indent << palette << ".setDisabled( " << cg << " );" << endl;
	    v = palette;
	}
    } else if ( e.tagName() == "cursor" ) {
	v = "QCursor( %1 )";
	v = v.arg( e.firstChild().toText().data() );
    } else if ( e.tagName() == "date" ) {
	QDomElement n3 = e.firstChild().toElement();
	int y, m, d;
	y = m = d = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "year" )
		y = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "month" )
		m = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "day" )
		d = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QDate( %1, %2, %3 )";
	v = v.arg(y).arg(m).arg(d);
    } else if ( e.tagName() == "time" ) {
	QDomElement n3 = e.firstChild().toElement();
	int h, m, s;
	h = m = s = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "hour" )
		h = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "minute" )
		m = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "second" )
		s = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QTime( %1, %2, %3 )";
	v = v.arg(h).arg(m).arg(s);
    } else if ( e.tagName() == "datetime" ) {
	QDomElement n3 = e.firstChild().toElement();
	int h, mi, s, y, mo, d;
	h = mi = s = y = mo = d = 0;
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "hour" )
		h = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "minute" )
		mi = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "second" )
		s = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "year" )
		y = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "month" )
		mo = n3.firstChild().toText().data().toInt();
	    else if ( n3.tagName() == "day" )
		d = n3.firstChild().toText().data().toInt();
	    n3 = n3.nextSibling().toElement();
	}
	v = "QDateTime( QDate( %1, %2, %3 ), QTime( %4, %5, %6 ) )";
	v = v.arg(y).arg(mo).arg(d).arg(h).arg(mi).arg(s);
    } else if ( e.tagName() == "stringlist" ) {
	QStringList l;
	QDomElement n3 = e.firstChild().toElement();
	QString listname = "l";
	if ( !obj.isEmpty() ) {
	    listname = obj + "_stringlist";
	    listname = registerObject( listname );
	    out << indent << "QStringList "  << listname << ";" << endl;
	} else {
	    listname = registerObject( listname );
	    out << indent << "QStringList "  << listname << ";" << endl;
	}
	while ( !n3.isNull() ) {
	    if ( n3.tagName() == "string" )
		out << indent << listname << " << \"" << n3.firstChild().toText().data().simplifyWhiteSpace() << "\";" << endl;
	    n3 = n3.nextSibling().toElement();
	}
	v = listname;
    }
    return v;
}

/*! Extracts a named object property from \a e.
 */
QDomElement Uic::getObjectProperty( const QDomElement& e, const QString& name )
{
    QDomElement n;
    for ( n = e.firstChild().toElement();
	  !n.isNull();
	  n = n.nextSibling().toElement() ) {
	if ( n.tagName() == "property"  && n.toElement().attribute("name") == name )
	    return n;
    }
    return n;
}