uic.cpp

这个是Linux的qt源代码

    if ( e.tagName() == "item" )
	out << "    " << "QPopupMenu *" << e.attribute( "name" ) << ";" << endl;
}

void Uic::createActionImpl( const QDomElement &n, const QString &parent )
{
    for ( QDomElement ae = n; !ae.isNull(); ae = ae.nextSibling().toElement() ) {
	QString objName = registerObject( getObjectName( ae ) );
	if ( ae.tagName() == "action" )
	    out << indent << objName << " = new QAction( " << parent << ", \"" << objName << "\" );" << endl;
	else if ( ae.tagName() == "actiongroup" )
	    out << indent << objName << " = new QActionGroup( " << parent << ", \"" << objName << "\" );" << endl;
	else
	    continue;
	bool subActionsDone = FALSE;
	for ( QDomElement n2 = ae.firstChild().toElement(); !n2.isNull(); n2 = n2.nextSibling().toElement() ) {
	    if ( n2.tagName() == "property" ) {
		bool stdset = stdsetdef;
		if ( n2.hasAttribute( "stdset" ) )
		    stdset = toBool( n2.attribute( "stdset" ) );
		QString prop = n2.attribute("name");
		if ( prop == "name" )
		    continue;
		QString value = setObjectProperty( "QAction", objName, prop, n2.firstChild().toElement(), stdset );
		if ( value.isEmpty() )
		    continue;

		QString call = objName + "->";
		if ( stdset ) {
		    call += mkStdSet( prop ) + "( ";
		} else {
		    call += "setProperty( \"" + prop + "\", ";
		}
		call += value + " );";

		if ( n2.firstChild().toElement().tagName() == "string" ) {
		    trout << indent << call << endl;
		} else {
		    out << indent << call << endl;
		}
	    } else if ( !subActionsDone && ( n2.tagName() == "actiongroup" || n2.tagName() == "action" ) ) {
		createActionImpl( n2, objName );
		subActionsDone = TRUE;
	    }
	}
    }
}

QString get_dock( const QString &d )
{
    if ( d == "0" )
	return "DockUnmanaged";
    if ( d == "1" )
	return "DockTornOff";
    if ( d == "2" )
	return "DockTop";
    if ( d == "3" )
	return "DockBottom";
    if ( d == "4" )
	return "DockRight";
    if ( d == "5" )
	return "DockLeft";
    if ( d == "6" )
	return "DockMinimized";
    return "";
}

void Uic::createToolbarImpl( const QDomElement &n, const QString &parentClass, const QString &parent )
{
    QDomNodeList nl = n.elementsByTagName( "toolbar" );
    for ( int i = 0; i < (int) nl.length(); i++ ) {
	QDomElement ae = nl.item( i ).toElement();
	QString dock = get_dock( ae.attribute( "dock" ) );
	QString objName = getObjectName( ae );
 	out << indent << objName << " = new QToolBar( QString(\"\"), this, " << dock << " ); " << endl;
	createObjectImpl( ae, parentClass, parent );
	for ( QDomElement n2 = ae.firstChild().toElement(); !n2.isNull(); n2 = n2.nextSibling().toElement() ) {
	    if ( n2.tagName() == "action" ) {
		out << indent << n2.attribute( "name" ) << "->addTo( " << objName << " );" << endl;
	    } else if ( n2.tagName() == "separator" ) {
		out << indent << objName << "->addSeparator();" << endl;
	    } else if ( n2.tagName() == "widget" ) {
		if ( n2.attribute( "class" ) != "Spacer" ) {
		    createObjectImpl( n2, "QToolBar", objName );
		} else {
		    QString child = createSpacerImpl( n, parentClass, parent, objName );
		    out << indent << "QApplication::sendPostedEvents( " << objName
			<< ", QEvent::ChildInserted );" << endl;
		    out << indent << objName << "->boxLayout()->addItem( " << child << " );" << endl;
		}
	    }
	}
    }
}

void Uic::createMenuBarImpl( const QDomElement &n, const QString &parentClass, const QString &parent )
{
    QString objName = getObjectName( n );
    out << indent << objName << " = new QMenuBar( this, \"" << objName << "\" );" << endl;
    createObjectImpl( n, parentClass, parent );
    int i = 0;
    QDomElement c = n.firstChild().toElement();
    while ( !c.isNull() ) {
	if ( c.tagName() == "item" ) {
	    QString itemName = c.attribute( "name" );
	    out << endl;
	    out << indent << itemName << " = new QPopupMenu( this );" << endl;
	    createPopupMenuImpl( c, parentClass, itemName );
	    out << indent << objName << "->insertItem( QString(\"\"), " << itemName << ", " << i << " );" << endl;
	    trout << indent << objName << "->findItem( " << i << " )->setText( " << trcall( c.attribute( "text" ) ) << " );" << endl;
	} else if ( c.tagName() == "separator" ) {
	    out << endl;
	    out << indent << objName << "->insertSeparator( " << i << " );" << endl;
	}
	c = c.nextSibling().toElement();
	i++;
    }
}

void Uic::createPopupMenuImpl( const QDomElement &e, const QString &parentClass, const QString &parent )
{
    for ( QDomElement n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
	if ( n.tagName() == "action" ) {
	    QDomElement n2 = n.nextSibling().toElement();
	    if ( n2.tagName() == "item" ) { // the action has a sub menu
		QString itemName = n2.attribute( "name" );
		QString itemText = n2.attribute( "text" );
		out << indent << "QPopupMenu *" << itemName << " = new QPopupMenu( this );" << endl;
		out << indent << parent << "->setAccel( tr( \"" << n2.attribute( "accel" ) << "\" ), " << endl;
		out << indent << indent << parent << "->insertItem( " << n.attribute( "name" ) << "->iconSet(),";
		out << trcall( itemText ) << ", " << itemName << " ) );" << endl;
		createPopupMenuImpl( n2, parentClass, itemName );
		n = n2;
	    } else {
		out << indent << n.attribute( "name" ) << "->addTo( " << parent << " );" << endl;
	    }
	} else if ( n.tagName() == "separator" ) {
	    out << indent << parent << "->insertSeparator();" << endl;
	}
    }
}

/*!
  Creates implementation of an listbox item tag.
*/

QString Uic::createListBoxItemImpl( const QDomElement &e, const QString &parent,
				    QString *value )
{
    QDomElement n = e.firstChild().toElement();
    QString txt;
    QString com;
    QString pix;
    while ( !n.isNull() ) {
	if ( n.tagName() == "property" ) {
	    QString attrib = n.attribute( "name" );
	    QVariant v = DomTool::elementToVariant( n.firstChild().toElement(), QVariant() );
	    if ( attrib == "text" ) {
		txt = v.toString();
		com = getComment( n );
	    } else if ( attrib == "pixmap" ) {
		pix = v.toString();
		if ( !pix.isEmpty() && !pixmapLoaderFunction.isEmpty() ) {
		    pix.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
		    pix.append(  QString( externPixmaps ? "\"" : "" ) + " )" );
		}
	    }
	}
	n = n.nextSibling().toElement();
    }

    if ( value )
	*value = trcall( txt, com );

    if ( pix.isEmpty() ) {
	return parent + "->insertItem( " + trcall( txt, com ) + " );";
    } else {
	return parent + "->insertItem( " + pix + ", " + trcall( txt, com ) + " );";
    }
}

/*!
  Creates implementation of an iconview item tag.
*/

QString Uic::createIconViewItemImpl( const QDomElement &e, const QString &parent )
{
    QDomElement n = e.firstChild().toElement();
    QString txt;
    QString com;
    QString pix;
    while ( !n.isNull() ) {
	if ( n.tagName() == "property" ) {
	    QString attrib = n.attribute( "name" );
	    QVariant v = DomTool::elementToVariant( n.firstChild().toElement(), QVariant() );
	    if ( attrib == "text" ) {
		txt = v.toString();
		com = getComment( n );
	    } else if ( attrib == "pixmap" ) {
		pix = v.toString();
		if ( !pix.isEmpty() && !pixmapLoaderFunction.isEmpty() ) {
		    pix.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
		    pix.append( QString( externPixmaps ? "\"" : "" ) + " )" );
		}
	    }
	}
	n = n.nextSibling().toElement();
    }

    if ( pix.isEmpty() )
	return "(void) new QIconViewItem( " + parent + ", " + trcall( txt, com ) + " );";
    else
	return "(void) new QIconViewItem( " + parent + ", " + trcall( txt, com ) + ", " + pix + " );";
}

/*!
  Creates implementation of an listview item tag.
*/

QString Uic::createListViewItemImpl( const QDomElement &e, const QString &parent,
				     const QString &parentItem )
{
    QString s;

    QDomElement n = e.firstChild().toElement();

    bool hasChildren = e.elementsByTagName( "item" ).count() > 0;
    QString item;

    if ( hasChildren ) {
	item = registerObject( "item" );
	s = indent + "QListViewItem * " + item + " = ";
    } else {
	item = "item";
	if ( item_used )
	    s = indent + item + " = ";
	else
	    s = indent + "QListViewItem * " + item + " = ";
	item_used = TRUE;
    }

    if ( !parentItem.isEmpty() )
	s += "new QListViewItem( " + parentItem + ", " + lastItem + " );\n";
    else
	s += "new QListViewItem( " + parent + ", " + lastItem + " );\n";

    QStringList texts;
    QStringList pixmaps;
    while ( !n.isNull() ) {
	if ( n.tagName() == "property" ) {
	    QString attrib = n.attribute("name");
	    QVariant v = DomTool::elementToVariant( n.firstChild().toElement(), QVariant() );
	    if ( attrib == "text" )
		texts << v.toString();
	    else if ( attrib == "pixmap" ) {
		QString pix = v.toString();
		if ( !pix.isEmpty() && !pixmapLoaderFunction.isEmpty() ) {
		    pix.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
		    pix.append( QString( externPixmaps ? "\"" : "" ) + " )" );
		}
		pixmaps << pix;
	    }
	} else if ( n.tagName() == "item" ) {
	    s += indent + item + "->setOpen( TRUE );\n";
	    s += createListViewItemImpl( n, parent, item );
	}
	n = n.nextSibling().toElement();
    }

    for ( int i = 0; i < (int)texts.count(); ++i ) {
	if ( !texts[ i ].isEmpty() )
	    s += indent + item + "->setText( " + QString::number( i ) + ", " + trcall( texts[ i ] ) + " );\n";
	if ( !pixmaps[ i ].isEmpty() )
	    s += indent + item + "->setPixmap( " + QString::number( i ) + ", " + pixmaps[ i ] + " );\n";
    }

    lastItem = item;
    return s;
}

/*!
  Creates implementation of an listview column tag.
*/

QString Uic::createListViewColumnImpl( const QDomElement &e, const QString &parent,
				       QString *value )
{
    QDomElement n = e.firstChild().toElement();
    QString txt;
    QString com;
    QString pix;
    bool clickable = FALSE, resizable = FALSE;
    while ( !n.isNull() ) {
	if ( n.tagName() == "property" ) {
	    QString attrib = n.attribute("name");
	    QVariant v = DomTool::elementToVariant( n.firstChild().toElement(), QVariant() );
	    if ( attrib == "text" ) {
		txt = v.toString();
		com = getComment( n );
	    } else if ( attrib == "pixmap" ) {
		pix = v.toString();
		if ( !pix.isEmpty() && !pixmapLoaderFunction.isEmpty() ) {
		    pix.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
		    pix.append( QString( externPixmaps ? "\"" : "" ) + " )" );
		}
	    } else if ( attrib == "clickable" )
		clickable = v.toBool();
	    else if ( attrib == "resizable" || attrib == "resizeable" )
		resizable = v.toBool();
	}
	n = n.nextSibling().toElement();
    }

    if ( value )
	*value = trcall( txt, com );

    QString s;
    s = indent + parent + "->addColumn( " + trcall( txt, com ) + " );\n";
    if ( !pix.isEmpty() )
	s += indent + parent + "->header()->setLabel( " + parent + "->header()->count() - 1, " + pix + ", " + trcall( txt, com ) + " );\n";
    if ( !clickable )
	s += indent + parent + "->header()->setClickEnabled( FALSE, " + parent + "->header()->count() - 1 );\n";
    if ( !resizable )
	s += indent + parent + "->header()->setResizeEnabled( FALSE, " + parent + "->header()->count() - 1 );\n";
    return s;
}

QString Uic::createTableRowColumnImpl( const QDomElement &e, const QString &parent,
				       QString *value )
{
    QString objClass = getClassName( e.parentNode().toElement() );
    QDomElement n = e.firstChild().toElement();
    QString txt;
    QString com;
    QString pix;
    QString field;
    bool isRow = e.tagName() == "row";
    while ( !n.isNull() ) {
	if ( n.tagName() == "property" ) {
	    QString attrib = n.attribute("name");
	    QVariant v = DomTool::elementToVariant( n.firstChild().toElement(), QVariant() );
	    if ( attrib == "text" ) {
		txt = v.toString();
		com = getComment( n );
	    } else if ( attrib == "pixmap" ) {
		pix = v.toString();
		if ( !pix.isEmpty() && !pixmapLoaderFunction.isEmpty() ) {
		    pix.prepend( pixmapLoaderFunction + "( " + QString( externPixmaps ? "\"" : "" ) );
		    pix.append( QString( externPixmaps ? "\"" : "" ) + " )" );
		}
	    } else if ( attrib == "field" )
		field = v.toString();
	}
	n = n.nextSibling().toElement();
    }

    if ( value )
	*value = trcall( txt, com );

    // ### This generated code sucks! We have to set the number of