uic.cpp

来自「Qt/Embedded是一个多平台的C++图形用户界面应用程序框架」· C++ 代码 · 共 1,993 行 · 第 1/5 页

	else
	    out << indent << objName << " = new " << qlayout << "; " << endl;
    }

    out << indent << objName << "->setSpacing( " << spacing << " );" << endl;
    out << indent << objName << "->setMargin( " << margin << " );" << endl;

    if ( !isGrid ) {
	for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
	    if ( n.tagName() == "spacer" ) {
		QString child = createSpacerImpl( n, parentClass, parent, objName );
		out << indent << objName << "->addItem( " << child << " );" << endl;
	    } else if ( tags.contains( n.tagName() ) ) {
		QString child = createObjectImpl( n, parentClass, parent, objName );
		if ( isLayout( child ) )
		    out << indent << objName << "->addLayout( " << child << " );" << endl;
		else
		    out << indent << objName << "->addWidget( " << child << " );" << endl;
	    }
	}
    } else {
	for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
	    QDomElement ae = n;
	    int row = ae.attribute( "row" ).toInt();
	    int col = ae.attribute( "column" ).toInt();
	    int rowspan = ae.attribute( "rowspan" ).toInt();
	    int colspan = ae.attribute( "colspan" ).toInt();
	    if ( rowspan < 1 )
		rowspan = 1;
	    if ( colspan < 1 )
		colspan = 1;
	    if ( n.tagName() == "spacer" ) {
		QString child = createSpacerImpl( n, parentClass, parent, objName );
		if ( rowspan * colspan != 1 )
		    out << indent << objName << "->addMultiCell( " << child << ", "
			<< row << ", " << row + rowspan - 1 << ", " << col << ", " << col  + colspan - 1 << " );" << endl;
		else
		    out << indent << objName << "->addItem( " << child << ", "
			<< row << ", " << col << " );" << endl;
	    } else if ( tags.contains( n.tagName() ) ) {
		QString child = createObjectImpl( n, parentClass, parent, objName );
		out << endl;
		QString o = "Widget";
		if ( isLayout( child ) )
		    o = "Layout";
		if ( rowspan * colspan != 1 )
		    out << indent << objName << "->addMultiCell" << o << "( " << child << ", "
			<< row << ", " << row + rowspan - 1 << ", " << col << ", " << col  + colspan - 1 << " );" << endl;
		else
		    out << indent << objName << "->add" << o << "( " << child << ", "
			<< row << ", " << col << " );" << endl;
	    }
	}
    }

    return objName;
}



QString Uic::createSpacerImpl( const QDomElement &e, const QString& /*parentClass*/, const QString& /*parent*/, const QString& /*layout*/)
{
    QDomElement n;
    QString objClass, objName;
    objClass = e.tagName();
    objName = registerObject( "spacer" );

    QRect geom = DomTool::readProperty( e, "geometry", QRect(0,0,0,0) ).toRect();
    QString sizeType = DomTool::readProperty( e, "sizeType", "Expanding" ).toString();
    bool isVspacer = DomTool::readProperty( e, "orientation", "Horizontal" ) == "Vertical";

    if ( isVspacer )
	out << "    QSpacerItem* " << objName << " = new QSpacerItem( "
	    << geom.width() << ", " << geom.height()
	    << ", QSizePolicy::Fixed, QSizePolicy::" << sizeType << " );" << endl;
    else
	out << "    QSpacerItem* " << objName << " = new QSpacerItem( "
	    << geom.width() << ", " << geom.height()
	    << ", QSizePolicy::" << sizeType << ", QSizePolicy::Fixed );" << endl;

    return objName;
}

/*!
  Creates a set-call for property \a exclusiveProp of the object
  given in \a e.

  If the object does not have this property, the function does nothing.

  Exclusive properties are used to generate the implementation of
  application font or palette change handlers in createFormImpl().

 */
void Uic::createExclusiveProperty( const QDomElement & e, const QString& exclusiveProp )
{
    QDomElement n;
    QString objClass = getClassName( e );
    if ( objClass.isEmpty() )
	return;
    QString objName = getObjectName( e );
    if ( objClass.isEmpty() )
	return;
    for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
	if ( n.tagName() == "property" ) {
	    bool stdset = toBool( n.attribute( "stdset" ) );
	    QDomElement n2 = n.firstChild().toElement();
	    if ( n2.tagName() == "name" ) {
		QString prop = n2.firstChild().toText().data();
		if ( prop != exclusiveProp )
		    continue;
		QString value = setObjectProperty( objClass, objName, prop, n2.nextSibling().toElement(), stdset );
		if ( value.isEmpty() )
		    continue;
		out << indent << objName << "->setProperty( \"" << prop << "\", " << value << " );" << endl;
	    }
	}
    }

}


const char* const ColorRole[] = {
    "Foreground", "Button", "Light", "Midlight", "Dark", "Mid",
    "Text", "BrightText", "ButtonText", "Base", "Background", "Shadow",
    "Highlight", "HighlightedText", 0
};


/*!
  Attention: this function has to be in sync with Resource::setWidgetProperty(). If you change one, change both.
 */
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 fontname = "f";
	if ( !obj.isEmpty() ) {
	    fontname = obj + "_font";
	    out << indent << "QFont "  << fontname << "(  " << obj << "->font() );" << endl;
	} else {
	    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" ) {
	if ( prop == "toolTip" ) {
	    if ( !obj.isEmpty() )
		out << indent << "QToolTip::add(  " << obj << ", " + trmacro + "( \"" << fixString( e.firstChild().toText().data() ) << "\" ) );" << endl;
	    else
		out << indent << "QToolTip::add(  this, " + trmacro + "( \"" << fixString( e.firstChild().toText().data() ) << "\" ) );" << endl;
	} else if ( prop == "whatsThis" ) {
	    if ( !obj.isEmpty() )
		out << indent << "QWhatsThis::add(  " << obj << ", " << trmacro << "( \"" << fixString( e.firstChild().toText().data() ) << "\" ) );" << endl;
	    else
		out << indent << "QWhatsThis::add(  this, " << trmacro << "( \"" << fixString( e.firstChild().toText().data() ) << "\" ) );" << endl;
	} else {
	    v = trmacro + "( \"%1\"  )";
	    v = v.arg( fixString( e.firstChild().toText().data() ) );
	}
    } 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 + "( " );
	    v.append( " )" );
	}
    } else if ( e.tagName() == "iconset" ) {
	v = "QIconSet( %1 )";
	v = v.arg( e.firstChild().toText().data() );
    } else if ( e.tagName() == "image" ) {
	v = e.firstChild().toText().data() + ".convertToImage()";
    } else if ( e.tagName() == "enum" ) {
	if ( stdset )
	    v = "%1::%2";
	else
	    v = "(int)%1::%2";
	v = v.arg( objClass ).arg( e.firstChild().toText().data() );
    } else if ( e.tagName() == "set" ) {
	QString keys( e.firstChild().toText().data() );
	QStringList lst = QStringList::split( '|', keys );
	v = "int( ";
	for ( QStringList::Iterator it = lst.begin(); it != lst.end(); ++it ) {
	    v += objClass + "::" + *it;
	    if ( it != lst.fromLast() )
		v += " | ";
	}
	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() );
	    n3 = n3.nextSibling().toElement();
	}
	v = "QSizePolicy( (QSizePolicy::SizeType)%1, (QSizePolicy::SizeType)%2 )";
	v = v.arg( (int)sp.horData() ).arg( (int)sp.verData() );
    } 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() );
    }
    return v;
}



/*!
  Creates a colorgroup with name \a name from the color group \a cg
 */
void Uic::createColorGroupImpl( const QString& name, const QDomElement& e )
{
    QColorGroup cg;
    int r = -1;
    QDomElement n = e.firstChild().toElement();
    QString color;
    while ( !n.isNull() ) {
	if ( n.tagName() == "color" ) {
	    r++;
	    QColor col = DomTool::readColor( n );
	    color = "QColor( %1, %2, %3)";
	    color = color.arg( col.red() ).arg( col.green() ).arg( col.blue() );
	    if ( col == white )
		color = "white";
	    else if ( col == black )
	    color = "black";
	    if ( n.nextSibling().toElement().tagName() != "pixmap" ) {
		out << indent << name << ".setColor( QColorGroup::" << ColorRole[r] << ", " << color << " );" << endl;
	    }
	} else if ( n.tagName() == "pixmap" ) {
	    QString pixmap = n.firstChild().toText().data();
	    if ( !pixmapLoaderFunction.isEmpty() ) {
		pixmap.prepend( pixmapLoaderFunction + "( " );
		pixmap.append( " )" );
	    }
	    out << indent << name << ".setBrush( QColorGroup::"
		<< ColorRole[r] << ", QBrush( " << color << ", " << pixmap << " ) );" << endl;
	}
	n = n.nextSibling().toElement();
    }
}

/*!
  Auxiliary function to load a color group. The colorgroup must not
  contain pixmaps.
 */
QColorGroup Uic::loadColorGroup( const QDomElement &e )
{
    QColorGroup cg;
    int r = -1;
    QDomElement n = e.firstChild().toElement();
    QColor col;
    while ( !n.isNull() ) {
	if ( n.tagName() == "color" ) {